1 ;;; gnus-sum.el --- summary mode commands for Gnus
3 ;; Copyright (C) 1996-2011 Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software: you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation, either version 3 of the License, or
13 ;; (at your option) any later version.
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
27 ;; For Emacs <22.2 and XEmacs.
29 (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
33 (when (featurep 'xemacs)
34 (require 'easy-mmode))) ; for `define-minor-mode'
36 (defvar tool-bar-mode)
37 (defvar gnus-tmp-header)
50 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
51 (autoload 'gnus-cache-write-active "gnus-cache")
52 (autoload 'gnus-mailing-list-insinuate "gnus-ml" nil t)
53 (autoload 'turn-on-gnus-mailing-list-mode "gnus-ml" nil t)
54 (autoload 'gnus-pick-line-number "gnus-salt" nil t)
55 (autoload 'mm-uu-dissect "mm-uu")
56 (autoload 'gnus-article-outlook-deuglify-article "deuglify"
57 "Deuglify broken Outlook (Express) articles and redisplay."
59 (autoload 'gnus-article-outlook-unwrap-lines "deuglify" nil t)
60 (autoload 'gnus-article-outlook-repair-attribution "deuglify" nil t)
61 (autoload 'gnus-article-outlook-rearrange-citation "deuglify" nil t)
62 (autoload 'nnir-article-rsv "nnir" nil nil 'macro)
63 (autoload 'nnir-article-group "nnir" nil nil 'macro)
65 (defcustom gnus-kill-summary-on-exit t
66 "*If non-nil, kill the summary buffer when you exit from it.
67 If nil, the summary will become a \"*Dead Summary*\" buffer, and
68 it will be killed sometime later."
69 :group 'gnus-summary-exit
72 (defcustom gnus-summary-next-group-on-exit t
73 "If non-nil, go to the next unread newsgroup on summary exit.
74 See `gnus-group-goto-unread'."
75 :link '(custom-manual "(gnus)Group Maneuvering")
76 :group 'gnus-summary-exit
77 :version "23.1" ;; No Gnus
80 (defcustom gnus-summary-stop-at-end-of-message nil
81 "If non-nil, don't select the next message when using `SPC'."
82 :link '(custom-manual "(gnus)Group Maneuvering")
83 :group 'gnus-summary-maneuvering
87 (defcustom gnus-fetch-old-headers nil
88 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
89 If an unread article in the group refers to an older, already
90 read (or just marked as read) article, the old article will not
91 normally be displayed in the Summary buffer. If this variable is
92 t, Gnus will attempt to grab the headers to the old articles, and
93 thereby build complete threads. If it has the value `some', all
94 old headers will be fetched but only enough headers to connect
95 otherwise loose threads will be displayed. This variable can
96 also be a number. In that case, no more than that number of old
97 headers will be fetched. If it has the value `invisible', all
98 old headers will be fetched, but none will be displayed.
100 The server has to support NOV for any of this to work.
102 This feature can seriously impact performance it ignores all
103 locally cached header entries. Setting it to t for groups for a
104 server that doesn't expire articles (such as news.gmane.org),
105 leads to very slow summary generation."
107 :type '(choice (const :tag "off" nil)
112 (sexp :menu-tag "other" t)))
114 (defcustom gnus-refer-thread-limit 500
115 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
116 If t, fetch all the available old headers."
118 :type '(choice number
119 (sexp :menu-tag "other" t)))
121 (defcustom gnus-refer-thread-use-nnir nil
122 "*Use nnir to search an entire server when referring threads. A
123 nil value will only search for thread-related articles in the
128 (defcustom gnus-summary-make-false-root 'adopt
129 "*nil means that Gnus won't gather loose threads.
130 If the root of a thread has expired or been read in a previous
131 session, the information necessary to build a complete thread has been
132 lost. Instead of having many small sub-threads from this original thread
133 scattered all over the summary buffer, Gnus can gather them.
135 If non-nil, Gnus will try to gather all loose sub-threads from an
136 original thread into one large thread.
138 If this variable is non-nil, it should be one of `none', `adopt',
141 If this variable is `none', Gnus will not make a false root, but just
142 present the sub-threads after another.
143 If this variable is `dummy', Gnus will create a dummy root that will
144 have all the sub-threads as children.
145 If this variable is `adopt', Gnus will make one of the \"children\"
146 the parent and mark all the step-children as such.
147 If this variable is `empty', the \"children\" are printed with empty
148 subject fields. (Or rather, they will be printed with a string
149 given by the `gnus-summary-same-subject' variable.)"
151 :type '(choice (const :tag "off" nil)
157 (defcustom gnus-summary-make-false-root-always nil
158 "Always make a false dummy root."
163 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
164 "*A regexp to match subjects to be excluded from loose thread gathering.
165 As loose thread gathering is done on subjects only, that means that
166 there can be many false gatherings performed. By rooting out certain
167 common subjects, gathering might become saner."
171 (defcustom gnus-summary-gather-subject-limit nil
172 "*Maximum length of subject comparisons when gathering loose threads.
173 Use nil to compare full subjects. Setting this variable to a low
174 number will help gather threads that have been corrupted by
175 newsreaders chopping off subject lines, but it might also mean that
176 unrelated articles that have subject that happen to begin with the
177 same few characters will be incorrectly gathered.
179 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
182 :type '(choice (const :tag "off" nil)
184 (sexp :menu-tag "on" t)))
186 (defcustom gnus-simplify-subject-functions nil
187 "List of functions taking a string argument that simplify subjects.
188 The functions are applied recursively.
190 Useful functions to put in this list include:
191 `gnus-simplify-subject-re', `gnus-simplify-subject-fuzzy',
192 `gnus-simplify-whitespace', and `gnus-simplify-all-whitespace'."
194 :type '(repeat function))
196 (defcustom gnus-simplify-ignored-prefixes nil
197 "*Remove matches for this regexp from subject lines when simplifying fuzzily."
199 :type '(choice (const :tag "off" nil)
202 (defcustom gnus-build-sparse-threads nil
203 "*If non-nil, fill in the gaps in threads.
204 If `some', only fill in the gaps that are needed to tie loose threads
205 together. If `more', fill in all leaf nodes that Gnus can find. If
206 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
208 :type '(choice (const :tag "off" nil)
211 (sexp :menu-tag "all" t)))
213 (defcustom gnus-summary-thread-gathering-function
214 'gnus-gather-threads-by-subject
215 "*Function used for gathering loose threads.
216 There are two pre-defined functions: `gnus-gather-threads-by-subject',
217 which only takes Subjects into consideration; and
218 `gnus-gather-threads-by-references', which compared the References
219 headers of the articles to find matches."
221 :type '(radio (function-item gnus-gather-threads-by-subject)
222 (function-item gnus-gather-threads-by-references)
223 (function :tag "other")))
225 (defcustom gnus-summary-same-subject ""
226 "*String indicating that the current article has the same subject as the previous.
227 This variable will only be used if the value of
228 `gnus-summary-make-false-root' is `empty'."
229 :group 'gnus-summary-format
232 (defcustom gnus-summary-goto-unread nil
233 "*If t, many commands will go to the next unread article.
234 This applies to marking commands as well as other commands that
235 \"naturally\" select the next article, like, for instance, `SPC' at
236 the end of an article.
238 If nil, the marking commands do NOT go to the next unread article
239 \(they go to the next article instead). If `never', commands that
240 usually go to the next unread article, will go to the next article,
241 whether it is read or not."
243 :group 'gnus-summary-marks
244 :link '(custom-manual "(gnus)Setting Marks")
245 :type '(choice (const :tag "off" nil)
247 (sexp :menu-tag "on" t)))
249 (defcustom gnus-summary-default-score 0
250 "*Default article score level.
251 All scores generated by the score files will be added to this score.
252 If this variable is nil, scoring will be disabled."
253 :group 'gnus-score-default
254 :type '(choice (const :tag "disable")
257 (defcustom gnus-summary-default-high-score 0
258 "*Default threshold for a high scored article.
259 An article will be highlighted as high scored if its score is greater
262 :group 'gnus-score-default
265 (defcustom gnus-summary-default-low-score 0
266 "*Default threshold for a low scored article.
267 An article will be highlighted as low scored if its score is smaller
270 :group 'gnus-score-default
273 (defcustom gnus-summary-zcore-fuzz 0
274 "*Fuzziness factor for the zcore in the summary buffer.
275 Articles with scores closer than this to `gnus-summary-default-score'
277 :group 'gnus-summary-format
280 (defcustom gnus-simplify-subject-fuzzy-regexp nil
281 "*Strings to be removed when doing fuzzy matches.
282 This can either be a regular expression or list of regular expressions
283 that will be removed from subject strings if fuzzy subject
284 simplification is selected."
286 :type '(repeat regexp))
288 (defcustom gnus-show-threads t
289 "*If non-nil, display threads in summary mode."
293 (defcustom gnus-thread-hide-subtree nil
294 "*If non-nil, hide all threads initially.
295 This can be a predicate specifier which says which threads to hide.
296 If threads are hidden, you have to run the command
297 `gnus-summary-show-thread' by hand or select an article."
299 :type '(radio (sexp :format "Non-nil\n"
300 :match (lambda (widget value)
301 (not (or (consp value) (functionp value))))
304 (sexp :tag "Predicate specifier")))
306 (defcustom gnus-thread-hide-killed t
307 "*If non-nil, hide killed threads automatically."
311 (defcustom gnus-thread-ignore-subject t
312 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
313 If nil, articles that have different subjects from their parents will
314 start separate threads."
318 (defcustom gnus-thread-operation-ignore-subject t
319 "*If non-nil, subjects will be ignored when doing thread commands.
320 This affects commands like `gnus-summary-kill-thread' and
321 `gnus-summary-lower-thread'.
323 If this variable is nil, articles in the same thread with different
324 subjects will not be included in the operation in question. If this
325 variable is `fuzzy', only articles that have subjects that are fuzzily
326 equal will be included."
328 :type '(choice (const :tag "off" nil)
332 (defcustom gnus-thread-indent-level 4
333 "*Number that says how much each sub-thread should be indented."
337 (defcustom gnus-auto-extend-newsgroup t
338 "*If non-nil, extend newsgroup forward and backward when requested."
339 :group 'gnus-summary-choose
342 (defcustom gnus-auto-select-first t
343 "If non-nil, select an article on group entry.
344 An article is selected automatically when entering a group
345 e.g. with \\<gnus-group-mode-map>\\[gnus-group-read-group], or via `gnus-summary-next-page' or
346 `gnus-summary-catchup-and-goto-next-group'.
348 Which article is selected is controlled by the variable
349 `gnus-auto-select-subject'.
351 If you want to prevent automatic selection of articles in some
352 newsgroups, set the variable to nil in `gnus-select-group-hook'."
353 ;; Commands include...
354 ;; \\<gnus-group-mode-map>\\[gnus-group-read-group]
355 ;; \\<gnus-summary-mode-map>\\[gnus-summary-next-page]
356 ;; \\<gnus-summary-mode-map>\\[gnus-summary-catchup-and-goto-next-group]
357 :group 'gnus-group-select
358 :type '(choice (const :tag "none" nil)
359 (sexp :menu-tag "first" t)))
361 (defcustom gnus-auto-select-subject 'unseen-or-unread
362 "*Says what subject to place under point when entering a group.
364 This variable can either be the symbols `first' (place point on the
365 first subject), `unread' (place point on the subject line of the first
366 unread article), `best' (place point on the subject line of the
367 higest-scored article), `unseen' (place point on the subject line of
368 the first unseen article), `unseen-or-unread' (place point on the subject
369 line of the first unseen article or, if all articles have been seen, on the
370 subject line of the first unread article), or a function to be called to
371 place point on some subject line."
373 :group 'gnus-group-select
374 :type '(choice (const best)
378 (const unseen-or-unread)))
380 (defcustom gnus-auto-select-next t
381 "*If non-nil, offer to go to the next group from the end of the previous.
382 If the value is t and the next newsgroup is empty, Gnus will exit
383 summary mode and go back to group mode. If the value is neither nil
384 nor t, Gnus will select the following unread newsgroup. In
385 particular, if the value is the symbol `quietly', the next unread
386 newsgroup will be selected without any confirmation, and if it is
387 `almost-quietly', the next group will be selected without any
388 confirmation if you are located on the last article in the group.
389 Finally, if this variable is `slightly-quietly', the `\\<gnus-summary-mode-map>\\[gnus-summary-catchup-and-goto-next-group]' command
390 will go to the next group without confirmation."
391 :group 'gnus-summary-maneuvering
392 :type '(choice (const :tag "off" nil)
394 (const almost-quietly)
395 (const slightly-quietly)
396 (sexp :menu-tag "on" t)))
398 (defcustom gnus-auto-select-same nil
399 "*If non-nil, select the next article with the same subject.
400 If there are no more articles with the same subject, go to
401 the first unread article."
402 :group 'gnus-summary-maneuvering
405 (defcustom gnus-auto-select-on-ephemeral-exit 'next-noselect
406 "What article should be selected after exiting an ephemeral group.
407 Valid values include:
410 Select the next article.
412 Select the next unread article.
414 Move the cursor to the next article. This is the default.
415 `next-unread-noselect'
416 Move the cursor to the next unread article.
418 If it has any other value or there is no next (unread) article, the
419 article selected before entering to the ephemeral group will appear."
420 :version "23.1" ;; No Gnus
421 :group 'gnus-summary-maneuvering
422 :type '(choice :format "%{%t%}:\n %[Value Menu%] %v"
423 (const next) (const next-unread)
424 (const next-noselect) (const next-unread-noselect)
425 (sexp :tag "other" :value nil)))
427 (defcustom gnus-auto-goto-ignores 'unfetched
428 "*Says how to handle unfetched articles when maneuvering.
430 This variable can either be the symbols nil (maneuver to any
431 article), `undownloaded' (maneuvering while unplugged ignores articles
432 that have not been fetched), `always-undownloaded' (maneuvering always
433 ignores articles that have not been fetched), `unfetched' (maneuvering
434 ignores articles whose headers have not been fetched).
436 NOTE: The list of unfetched articles will always be nil when plugged
437 and, when unplugged, a subset of the undownloaded article list."
439 :group 'gnus-summary-maneuvering
440 :type '(choice (const :tag "None" nil)
441 (const :tag "Undownloaded when unplugged" undownloaded)
442 (const :tag "Undownloaded" always-undownloaded)
443 (const :tag "Unfetched" unfetched)))
445 (defcustom gnus-summary-check-current nil
446 "*If non-nil, consider the current article when moving.
447 The \"unread\" movement commands will stay on the same line if the
448 current article is unread."
449 :group 'gnus-summary-maneuvering
452 (defcustom gnus-auto-center-summary 2
453 "*If non-nil, always center the current summary buffer.
454 In particular, if `vertical' do only vertical recentering. If non-nil
455 and non-`vertical', do both horizontal and vertical recentering."
456 :group 'gnus-summary-maneuvering
457 :type '(choice (const :tag "none" nil)
459 (integer :tag "height")
460 (sexp :menu-tag "both" t)))
462 (defcustom gnus-auto-center-group t
463 "If non-nil, always center the group buffer."
464 :group 'gnus-summary-maneuvering
467 (defcustom gnus-show-all-headers nil
468 "*If non-nil, don't hide any headers."
469 :group 'gnus-article-hiding
470 :group 'gnus-article-headers
473 (defcustom gnus-summary-ignore-duplicates nil
474 "*If non-nil, ignore articles with identical Message-ID headers."
478 (defcustom gnus-single-article-buffer nil
479 "*If non-nil, display all articles in the same buffer.
480 If nil, each group will get its own article buffer."
482 :group 'gnus-article-various
485 (defcustom gnus-widen-article-window nil
486 "If non-nil, selecting the article buffer will display only the article buffer."
488 :group 'gnus-article-various
491 (defcustom gnus-break-pages t
492 "*If non-nil, do page breaking on articles.
493 The page delimiter is specified by the `gnus-page-delimiter'
495 :group 'gnus-article-various
498 (defcustom gnus-move-split-methods nil
499 "*Variable used to suggest where articles are to be moved to.
500 It uses the same syntax as the `gnus-split-methods' variable.
501 However, whereas `gnus-split-methods' specifies file names as targets,
502 this variable specifies group names."
503 :group 'gnus-summary-mail
504 :type '(repeat (choice (list :value (fun) function)
505 (cons :value ("" "") regexp (repeat string))
508 (defcustom gnus-move-group-prefix-function 'gnus-group-real-prefix
509 "Function used to compute default prefix for article move/copy/etc prompts.
510 The function should take one argument, a group name, and return a
511 string with the suggested prefix."
512 :group 'gnus-summary-mail
515 ;; FIXME: Although the custom type is `character' for the following variables,
516 ;; using multibyte characters (Latin-1, UTF-8) doesn't work. -- rs
518 (defcustom gnus-unread-mark ? ;Whitespace
519 "*Mark used for unread articles."
520 :group 'gnus-summary-marks
523 (defcustom gnus-ticked-mark ?!
524 "*Mark used for ticked articles."
525 :group 'gnus-summary-marks
528 (defcustom gnus-dormant-mark ??
529 "*Mark used for dormant articles."
530 :group 'gnus-summary-marks
533 (defcustom gnus-del-mark ?r
534 "*Mark used for del'd articles."
535 :group 'gnus-summary-marks
538 (defcustom gnus-read-mark ?R
539 "*Mark used for read articles."
540 :group 'gnus-summary-marks
543 (defcustom gnus-expirable-mark ?E
544 "*Mark used for expirable articles."
545 :group 'gnus-summary-marks
548 (defcustom gnus-killed-mark ?K
549 "*Mark used for killed articles."
550 :group 'gnus-summary-marks
553 (defcustom gnus-spam-mark ?$
554 "*Mark used for spam articles."
556 :group 'gnus-summary-marks
559 (defcustom gnus-kill-file-mark ?X
560 "*Mark used for articles killed by kill files."
561 :group 'gnus-summary-marks
564 (defcustom gnus-low-score-mark ?Y
565 "*Mark used for articles with a low score."
566 :group 'gnus-summary-marks
569 (defcustom gnus-catchup-mark ?C
570 "*Mark used for articles that are caught up."
571 :group 'gnus-summary-marks
574 (defcustom gnus-replied-mark ?A
575 "*Mark used for articles that have been replied to."
576 :group 'gnus-summary-marks
579 (defcustom gnus-forwarded-mark ?F
580 "*Mark used for articles that have been forwarded."
582 :group 'gnus-summary-marks
585 (defcustom gnus-recent-mark ?N
586 "*Mark used for articles that are recent."
588 :group 'gnus-summary-marks
591 (defcustom gnus-cached-mark ?*
592 "*Mark used for articles that are in the cache."
593 :group 'gnus-summary-marks
596 (defcustom gnus-saved-mark ?S
597 "*Mark used for articles that have been saved."
598 :group 'gnus-summary-marks
601 (defcustom gnus-unseen-mark ?.
602 "*Mark used for articles that haven't been seen."
604 :group 'gnus-summary-marks
607 (defcustom gnus-no-mark ? ;Whitespace
608 "*Mark used for articles that have no other secondary mark."
610 :group 'gnus-summary-marks
613 (defcustom gnus-ancient-mark ?O
614 "*Mark used for ancient articles."
615 :group 'gnus-summary-marks
618 (defcustom gnus-sparse-mark ?Q
619 "*Mark used for sparsely reffed articles."
620 :group 'gnus-summary-marks
623 (defcustom gnus-canceled-mark ?G
624 "*Mark used for canceled articles."
625 :group 'gnus-summary-marks
628 (defcustom gnus-duplicate-mark ?M
629 "*Mark used for duplicate articles."
630 :group 'gnus-summary-marks
633 (defcustom gnus-undownloaded-mark ?-
634 "*Mark used for articles that weren't downloaded."
636 :group 'gnus-summary-marks
639 (defcustom gnus-downloaded-mark ?+
640 "*Mark used for articles that were downloaded."
641 :group 'gnus-summary-marks
644 (defcustom gnus-downloadable-mark ?%
645 "*Mark used for articles that are to be downloaded."
646 :group 'gnus-summary-marks
649 (defcustom gnus-unsendable-mark ?=
650 "*Mark used for articles that won't be sent."
651 :group 'gnus-summary-marks
654 (defcustom gnus-score-over-mark ?+
655 "*Score mark used for articles with high scores."
656 :group 'gnus-summary-marks
659 (defcustom gnus-score-below-mark ?-
660 "*Score mark used for articles with low scores."
661 :group 'gnus-summary-marks
664 (defcustom gnus-empty-thread-mark ? ;Whitespace
665 "*There is no thread under the article."
666 :group 'gnus-summary-marks
669 (defcustom gnus-not-empty-thread-mark ?=
670 "*There is a thread under the article."
671 :group 'gnus-summary-marks
674 (defcustom gnus-view-pseudo-asynchronously nil
675 "*If non-nil, Gnus will view pseudo-articles asynchronously."
676 :group 'gnus-extract-view
679 (defcustom gnus-auto-expirable-marks
680 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
681 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
683 "*The list of marks converted into expiration if a group is auto-expirable."
686 :type '(repeat character))
688 (defcustom gnus-inhibit-user-auto-expire t
689 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
694 (defcustom gnus-mark-copied-or-moved-articles-as-expirable nil
695 "If non-nil, mark articles copied or moved to auto-expire group as expirable.
696 If nil, the expirable marks will be unchanged except that the marks
697 will be removed when copying or moving articles to a group that has
698 not turned auto-expire on. If non-nil, articles that have been read
699 will be marked as expirable when being copied or moved to a group in
700 which auto-expire is turned on."
703 :group 'gnus-summary-marks)
705 (defcustom gnus-view-pseudos nil
706 "*If `automatic', pseudo-articles will be viewed automatically.
707 If `not-confirm', pseudos will be viewed automatically, and the user
708 will not be asked to confirm the command."
709 :group 'gnus-extract-view
710 :type '(choice (const :tag "off" nil)
712 (const not-confirm)))
714 (defcustom gnus-view-pseudos-separately t
715 "*If non-nil, one pseudo-article will be created for each file to be viewed.
716 If nil, all files that use the same viewing command will be given as a
717 list of parameters to that command."
718 :group 'gnus-extract-view
721 (defcustom gnus-insert-pseudo-articles t
722 "*If non-nil, insert pseudo-articles when decoding articles."
723 :group 'gnus-extract-view
726 (defcustom gnus-summary-dummy-line-format
728 "*The format specification for the dummy roots in the summary buffer.
729 It works along the same lines as a normal formatting string,
730 with some simple extensions.
734 General format specifiers can also be used.
735 See `(gnus)Formatting Variables'."
736 :link '(custom-manual "(gnus)Formatting Variables")
737 :group 'gnus-threading
740 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
741 "*The format specification for the summary mode line.
742 It works along the same lines as a normal formatting string,
743 with some simple extensions:
746 %p Unprefixed group name
747 %A Current article number
748 %z Current article score
750 %U Number of unread articles in the group
751 %e Number of unselected articles in the group
752 %Z A string with unread/unselected article counts
753 %g Shortish group name
754 %S Subject of the current article
756 %s Current score file name
757 %d Number of dormant articles
758 %r Number of articles that have been marked as read in this session
759 %E Number of articles expunged by the score files"
760 :group 'gnus-summary-format
763 (defcustom gnus-list-identifiers nil
764 "Regexp that matches list identifiers to be removed from subject.
765 This can also be a list of regexps."
767 :group 'gnus-summary-format
768 :group 'gnus-article-hiding
769 :type '(choice (const :tag "none" nil)
771 (repeat :value (".*") regexp)))
773 (defcustom gnus-summary-mark-below 0
774 "*Mark all articles with a score below this variable as read.
775 This variable is local to each summary buffer and usually set by the
777 :group 'gnus-score-default
780 (defun gnus-widget-reversible-match (widget value)
781 "Ignoring WIDGET, convert VALUE to internal form.
782 VALUE should have the form `FOO' or `(not FOO)', where FOO is an symbol."
786 (eq (length value) 2)
787 (eq (nth 0 value) 'not)
788 (symbolp (nth 1 value)))))
790 (defun gnus-widget-reversible-to-internal (widget value)
791 "Ignoring WIDGET, convert VALUE to internal form.
792 VALUE should have the form `FOO' or `(not FOO)', where FOO is an atom.
793 FOO is converted to (FOO nil) and (not FOO) is converted to (FOO t)."
797 (list (nth 1 value) t)))
799 (defun gnus-widget-reversible-to-external (widget value)
800 "Ignoring WIDGET, convert VALUE to external form.
801 VALUE should have the form `(FOO nil)' or `(FOO t)', where FOO is an atom.
802 \(FOO nil) is converted to FOO and (FOO t) is converted to (not FOO)."
805 (list 'not (nth 0 value))
808 (define-widget 'gnus-widget-reversible 'group
809 "A `group' that convert values."
810 :match 'gnus-widget-reversible-match
811 :value-to-internal 'gnus-widget-reversible-to-internal
812 :value-to-external 'gnus-widget-reversible-to-external)
814 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
815 "*List of functions used for sorting articles in the summary buffer.
817 Each function takes two articles and returns non-nil if the first
818 article should be sorted before the other. If you use more than one
819 function, the primary sort function should be the last. You should
820 probably always include `gnus-article-sort-by-number' in the list of
821 sorting functions -- preferably first. Also note that sorting by date
822 is often much slower than sorting by number, and the sorting order is
823 very similar. (Sorting by date means sorting by the time the message
824 was sent, sorting by number means sorting by arrival time.)
826 Each item can also be a list `(not F)' where F is a function;
827 this reverses the sort order.
829 Ready-made functions include `gnus-article-sort-by-number',
830 `gnus-article-sort-by-author', `gnus-article-sort-by-subject',
831 `gnus-article-sort-by-date', `gnus-article-sort-by-random'
832 and `gnus-article-sort-by-score'.
834 When threading is turned on, the variable `gnus-thread-sort-functions'
835 controls how articles are sorted."
836 :group 'gnus-summary-sort
837 :type '(repeat (gnus-widget-reversible
838 (choice (function-item gnus-article-sort-by-number)
839 (function-item gnus-article-sort-by-author)
840 (function-item gnus-article-sort-by-subject)
841 (function-item gnus-article-sort-by-date)
842 (function-item gnus-article-sort-by-score)
843 (function-item gnus-article-sort-by-random)
844 (function :tag "other"))
845 (boolean :tag "Reverse order"))))
848 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
849 "*List of functions used for sorting threads in the summary buffer.
850 By default, threads are sorted by article number.
852 Each function takes two threads and returns non-nil if the first
853 thread should be sorted before the other. If you use more than one
854 function, the primary sort function should be the last. You should
855 probably always include `gnus-thread-sort-by-number' in the list of
856 sorting functions -- preferably first. Also note that sorting by date
857 is often much slower than sorting by number, and the sorting order is
858 very similar. (Sorting by date means sorting by the time the message
859 was sent, sorting by number means sorting by arrival time.)
861 Each list item can also be a list `(not F)' where F is a
862 function; this specifies reversed sort order.
864 Ready-made functions include `gnus-thread-sort-by-number',
865 `gnus-thread-sort-by-author', `gnus-thread-sort-by-recipient'
866 `gnus-thread-sort-by-subject', `gnus-thread-sort-by-date',
867 `gnus-thread-sort-by-score', `gnus-thread-sort-by-most-recent-number',
868 `gnus-thread-sort-by-most-recent-date', `gnus-thread-sort-by-random',
869 and `gnus-thread-sort-by-total-score' (see
870 `gnus-thread-score-function').
872 When threading is turned off, the variable
873 `gnus-article-sort-functions' controls how articles are sorted."
874 :group 'gnus-summary-sort
876 (gnus-widget-reversible
877 (choice (function-item gnus-thread-sort-by-number)
878 (function-item gnus-thread-sort-by-author)
879 (function-item gnus-thread-sort-by-recipient)
880 (function-item gnus-thread-sort-by-subject)
881 (function-item gnus-thread-sort-by-date)
882 (function-item gnus-thread-sort-by-score)
883 (function-item gnus-thread-sort-by-most-recent-number)
884 (function-item gnus-thread-sort-by-most-recent-date)
885 (function-item gnus-thread-sort-by-random)
886 (function-item gnus-thread-sort-by-total-score)
887 (function :tag "other"))
888 (boolean :tag "Reverse order"))))
890 (defcustom gnus-thread-score-function '+
891 "*Function used for calculating the total score of a thread.
893 The function is called with the scores of the article and each
894 subthread and should then return the score of the thread.
896 Some functions you can use are `+', `max', or `min'."
897 :group 'gnus-summary-sort
900 (defcustom gnus-summary-expunge-below nil
901 "All articles that have a score less than this variable will be expunged.
902 This variable is local to the summary buffers."
903 :group 'gnus-score-default
904 :type '(choice (const :tag "off" nil)
907 (defcustom gnus-thread-expunge-below nil
908 "All threads that have a total score less than this variable will be expunged.
909 See `gnus-thread-score-function' for en explanation of what a
912 This variable is local to the summary buffers."
913 :group 'gnus-threading
914 :group 'gnus-score-default
915 :type '(choice (const :tag "off" nil)
918 (defcustom gnus-summary-mode-hook nil
919 "*A hook for Gnus summary mode.
920 This hook is run before any variables are set in the summary buffer."
921 :options '(turn-on-gnus-mailing-list-mode gnus-pick-mode)
922 :group 'gnus-summary-various
925 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
926 (when (featurep 'xemacs)
927 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-summary-menu-add)
928 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-setup-summary-toolbar)
929 (add-hook 'gnus-summary-mode-hook
930 'gnus-xmas-switch-horizontal-scrollbar-off))
932 (defcustom gnus-summary-menu-hook nil
933 "*Hook run after the creation of the summary mode menu."
934 :group 'gnus-summary-visual
937 (defcustom gnus-summary-exit-hook nil
938 "*A hook called on exit from the summary buffer.
939 It will be called with point in the group buffer."
940 :group 'gnus-summary-exit
943 (defcustom gnus-summary-prepare-hook nil
944 "*A hook called after the summary buffer has been generated.
945 If you want to modify the summary buffer, you can use this hook."
946 :group 'gnus-summary-various
949 (defcustom gnus-summary-prepared-hook nil
950 "*A hook called as the last thing after the summary buffer has been generated."
951 :group 'gnus-summary-various
954 (defcustom gnus-summary-generate-hook nil
955 "*A hook run just before generating the summary buffer.
956 This hook is commonly used to customize threading variables and the
958 :group 'gnus-summary-various
961 (defcustom gnus-select-group-hook nil
962 "*A hook called when a newsgroup is selected.
964 If you'd like to simplify subjects like the
965 `gnus-summary-next-same-subject' command does, you can use the
968 (add-hook gnus-select-group-hook
970 (mapcar (lambda (header)
971 (mail-header-set-subject
973 (gnus-simplify-subject
974 (mail-header-subject header) 're-only)))
975 gnus-newsgroup-headers)))"
976 :group 'gnus-group-select
979 (defcustom gnus-select-article-hook nil
980 "*A hook called when an article is selected."
981 :group 'gnus-summary-choose
982 :options '(gnus-agent-fetch-selected-article)
985 (defcustom gnus-visual-mark-article-hook
986 (list 'gnus-highlight-selected-summary)
987 "*Hook run after selecting an article in the summary buffer.
988 It is meant to be used for highlighting the article in some way. It
989 is not run if `gnus-visual' is nil."
990 :group 'gnus-summary-visual
993 (defcustom gnus-parse-headers-hook nil
994 "*A hook called before parsing the headers."
998 (defcustom gnus-exit-group-hook nil
999 "*A hook called when exiting summary mode.
1000 This hook is not called from the non-updating exit commands like `Q'."
1001 :group 'gnus-various
1004 (defcustom gnus-summary-update-hook nil
1005 "*A hook called when a summary line is changed.
1006 The hook will not be called if `gnus-visual' is nil.
1008 The default function `gnus-summary-highlight-line' will
1009 highlight the line according to the `gnus-summary-highlight'
1011 :group 'gnus-summary-visual
1014 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
1015 "*A hook called when an article is selected for the first time.
1016 The hook is intended to mark an article as read (or unread)
1017 automatically when it is selected."
1018 :group 'gnus-summary-choose
1021 (defcustom gnus-group-no-more-groups-hook nil
1022 "*A hook run when returning to group mode having no more (unread) groups."
1023 :group 'gnus-group-select
1026 (defcustom gnus-ps-print-hook nil
1027 "*A hook run before ps-printing something from Gnus."
1028 :group 'gnus-summary
1031 (defcustom gnus-summary-article-move-hook nil
1032 "*A hook called after an article is moved, copied, respooled, or crossposted."
1034 :group 'gnus-summary
1037 (defcustom gnus-summary-article-delete-hook nil
1038 "*A hook called after an article is deleted."
1040 :group 'gnus-summary
1043 (defcustom gnus-summary-article-expire-hook nil
1044 "*A hook called after an article is expired."
1046 :group 'gnus-summary
1049 (defcustom gnus-summary-display-arrow
1050 (and (fboundp 'display-graphic-p)
1051 (display-graphic-p))
1052 "*If non-nil, display an arrow highlighting the current article."
1054 :group 'gnus-summary
1057 (defcustom gnus-summary-selected-face 'gnus-summary-selected
1058 "Face used for highlighting the current article in the summary buffer."
1059 :group 'gnus-summary-visual
1062 (defvar gnus-tmp-downloaded nil)
1064 (defcustom gnus-summary-highlight
1065 '(((eq mark gnus-canceled-mark)
1066 . gnus-summary-cancelled)
1067 ((and uncached (> score default-high))
1068 . gnus-summary-high-undownloaded)
1069 ((and uncached (< score default-low))
1070 . gnus-summary-low-undownloaded)
1072 . gnus-summary-normal-undownloaded)
1073 ((and (> score default-high)
1074 (or (eq mark gnus-dormant-mark)
1075 (eq mark gnus-ticked-mark)))
1076 . gnus-summary-high-ticked)
1077 ((and (< score default-low)
1078 (or (eq mark gnus-dormant-mark)
1079 (eq mark gnus-ticked-mark)))
1080 . gnus-summary-low-ticked)
1081 ((or (eq mark gnus-dormant-mark)
1082 (eq mark gnus-ticked-mark))
1083 . gnus-summary-normal-ticked)
1084 ((and (> score default-high) (eq mark gnus-ancient-mark))
1085 . gnus-summary-high-ancient)
1086 ((and (< score default-low) (eq mark gnus-ancient-mark))
1087 . gnus-summary-low-ancient)
1088 ((eq mark gnus-ancient-mark)
1089 . gnus-summary-normal-ancient)
1090 ((and (> score default-high) (eq mark gnus-unread-mark))
1091 . gnus-summary-high-unread)
1092 ((and (< score default-low) (eq mark gnus-unread-mark))
1093 . gnus-summary-low-unread)
1094 ((eq mark gnus-unread-mark)
1095 . gnus-summary-normal-unread)
1096 ((> score default-high)
1097 . gnus-summary-high-read)
1098 ((< score default-low)
1099 . gnus-summary-low-read)
1101 . gnus-summary-normal-read))
1102 "*Controls the highlighting of summary buffer lines.
1104 A list of (FORM . FACE) pairs. When deciding how a particular
1105 summary line should be displayed, each form is evaluated. The content
1106 of the face field after the first true form is used. You can change
1107 how those summary lines are displayed, by editing the face field.
1109 You can use the following variables in the FORM field.
1111 score: The article's score.
1112 default: The default article score.
1113 default-high: The default score for high scored articles.
1114 default-low: The default score for low scored articles.
1115 below: The score below which articles are automatically marked as read.
1116 mark: The article's mark.
1117 uncached: Non-nil if the article is uncached."
1118 :group 'gnus-summary-visual
1119 :type '(repeat (cons (sexp :tag "Form" nil)
1121 (put 'gnus-summary-highlight 'risky-local-variable t)
1123 (defcustom gnus-alter-header-function nil
1124 "Function called to allow alteration of article header structures.
1125 The function is called with one parameter, the article header vector,
1126 which it may alter in any way."
1127 :type '(choice (const :tag "None" nil)
1129 :group 'gnus-summary)
1131 (defvar gnus-decode-encoded-word-function 'mail-decode-encoded-word-string
1132 "Function used to decode a string with encoded words.")
1134 (defvar gnus-decode-encoded-address-function
1135 'mail-decode-encoded-address-string
1136 "Function used to decode addresses with encoded words.")
1138 (defcustom gnus-extra-headers '(To Cc Keywords Gcc Newsgroups)
1139 "*Extra headers to parse."
1140 :version "24.1" ; added Cc Keywords Gcc
1141 :group 'gnus-summary
1142 :type '(repeat symbol))
1144 (defcustom gnus-ignored-from-addresses
1145 (and user-mail-address
1146 (not (string= user-mail-address ""))
1147 (regexp-quote user-mail-address))
1148 "*From headers that may be suppressed in favor of To headers.
1149 This can be a regexp or a list of regexps."
1151 :group 'gnus-summary
1152 :type '(choice regexp
1153 (repeat :tag "Regexp List" regexp)))
1155 (defsubst gnus-ignored-from-addresses ()
1156 (gmm-regexp-concat gnus-ignored-from-addresses))
1158 (defcustom gnus-summary-to-prefix "-> "
1159 "*String prefixed to the To field in the summary line when
1160 using `gnus-ignored-from-addresses'."
1162 :group 'gnus-summary
1165 (defcustom gnus-summary-newsgroup-prefix "=> "
1166 "*String prefixed to the Newsgroup field in the summary
1167 line when using `gnus-ignored-from-addresses'."
1169 :group 'gnus-summary
1172 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
1173 "List of charsets that should be ignored.
1174 When these charsets are used in the \"charset\" parameter, the
1175 default charset will be used instead."
1177 :type '(repeat symbol)
1178 :group 'gnus-charset)
1180 (defcustom gnus-newsgroup-maximum-articles nil
1181 "The maximum number of articles a newsgroup.
1182 If this is a number, old articles in a newsgroup exceeding this number
1183 are silently ignored. If it is nil, no article is ignored. Note that
1184 setting this variable to a number might prevent you from reading very
1186 :group 'gnus-group-select
1188 :type '(choice (const :tag "No limit" nil)
1191 (gnus-define-group-parameter
1195 "Return the ignored charsets of GROUP."
1196 :variable gnus-group-ignored-charsets-alist
1198 '(("alt\\.chinese\\.text" iso-8859-1))
1200 "Alist of regexps (to match group names) and charsets that should be ignored.
1201 When these charsets are used in the \"charset\" parameter, the
1202 default charset will be used instead."
1203 :variable-group gnus-charset
1204 :variable-type '(repeat (cons (regexp :tag "Group")
1206 :parameter-type '(choice :tag "Ignored charsets"
1209 :parameter-document "\
1210 List of charsets that should be ignored.
1212 When these charsets are used in the \"charset\" parameter, the
1213 default charset will be used instead.")
1215 (defcustom gnus-group-highlight-words-alist nil
1216 "Alist of group regexps and highlight regexps.
1217 This variable uses the same syntax as `gnus-emphasis-alist'."
1219 :type '(repeat (cons (regexp :tag "Group")
1220 (repeat (list (regexp :tag "Highlight regexp")
1221 (number :tag "Group for entire word" 0)
1222 (number :tag "Group for displayed part" 0)
1224 gnus-emphasis-highlight-words)))))
1225 :group 'gnus-summary-visual)
1227 (defcustom gnus-summary-show-article-charset-alist
1229 "Alist of number and charset.
1230 The article will be shown with the charset corresponding to the
1232 For example: ((1 . cn-gb-2312) (2 . big5))."
1234 :type '(repeat (cons (number :tag "Argument" 1)
1235 (symbol :tag "Charset")))
1236 :group 'gnus-charset)
1238 (defcustom gnus-preserve-marks t
1239 "Whether marks are preserved when moving, copying and respooling messages."
1242 :group 'gnus-summary-marks)
1244 (defcustom gnus-propagate-marks nil
1245 "If non-nil, Gnus will store and retrieve marks from the backends.
1246 This means that marks will be stored both in .newsrc.eld and in
1247 the backend, and will slow operation down somewhat."
1249 :group 'gnus-summary-marks)
1251 (defcustom gnus-alter-articles-to-read-function nil
1252 "Function to be called to alter the list of articles to be selected."
1253 :type '(choice (const nil) function)
1254 :group 'gnus-summary)
1256 (defcustom gnus-orphan-score nil
1257 "*All orphans get this score added. Set in the score file."
1258 :group 'gnus-score-default
1259 :type '(choice (const nil)
1262 (defcustom gnus-summary-save-parts-default-mime "image/.*"
1263 "*A regexp to match MIME parts when saving multiple parts of a
1264 message with `gnus-summary-save-parts' (\\<gnus-summary-mode-map>\\[gnus-summary-save-parts]).
1265 This regexp will be used by default when prompting the user for which
1266 type of files to save."
1267 :group 'gnus-summary
1270 (defcustom gnus-read-all-available-headers nil
1271 "Whether Gnus should parse all headers made available to it.
1272 This is mostly relevant for slow back ends where the user may
1273 wish to widen the summary buffer to include all headers
1276 :group 'gnus-summary
1277 :type '(choice boolean regexp))
1279 (defcustom gnus-summary-pipe-output-default-command nil
1280 "Command (and optional arguments) used to pipe article to subprocess.
1281 This will be used as the default command if it is non-nil. The value
1282 will be updated if you modify it when executing the command
1283 `gnus-summary-pipe-output' or the function `gnus-summary-save-in-pipe'."
1284 :version "23.1" ;; No Gnus
1285 :group 'gnus-summary
1286 :type '(radio (const :tag "None" nil) (string :tag "Command")))
1288 (defcustom gnus-summary-muttprint-program "muttprint"
1289 "Command (and optional arguments) used to run Muttprint.
1290 The value will be updated if you modify it when executing the command
1291 `gnus-summary-muttprint'."
1293 :group 'gnus-summary
1296 (defcustom gnus-article-loose-mime t
1297 "If non-nil, don't require MIME-Version header.
1298 Some brain-damaged MUA/MTA, e.g. Lotus Domino 5.0.6 clients, does not
1299 supply the MIME-Version header or deliberately strip it from the mail.
1300 If non-nil (the default), Gnus will treat some articles as MIME
1301 even if the MIME-Version header is missing."
1304 :group 'gnus-article-mime)
1306 (defcustom gnus-article-emulate-mime t
1307 "If non-nil, use MIME emulation for uuencode and the like.
1308 This means that Gnus will search message bodies for text that look
1309 like uuencoded bits, yEncoded bits, and so on, and present that using
1310 the normal Gnus MIME machinery."
1313 :group 'gnus-article-mime)
1315 ;;; Internal variables
1317 (defvar gnus-summary-display-cache nil)
1318 (defvar gnus-article-mime-handles nil)
1319 (defvar gnus-article-decoded-p nil)
1320 (defvar gnus-article-charset nil)
1321 (defvar gnus-article-ignored-charsets nil)
1322 (defvar gnus-scores-exclude-files nil)
1323 (defvar gnus-page-broken nil)
1325 (defvar gnus-original-article nil)
1326 (defvar gnus-article-internal-prepare-hook nil)
1327 (defvar gnus-newsgroup-process-stack nil)
1329 (defvar gnus-thread-indent-array nil)
1330 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
1331 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
1332 "Function called to sort the articles within a thread after it has been gathered together.")
1334 (defvar gnus-summary-save-parts-type-history nil)
1335 (defvar gnus-summary-save-parts-last-directory mm-default-directory)
1337 ;; Avoid highlighting in kill files.
1338 (defvar gnus-summary-inhibit-highlight nil)
1339 (defvar gnus-newsgroup-selected-overlay nil)
1340 (defvar gnus-inhibit-limiting nil)
1341 (defvar gnus-newsgroup-adaptive-score-file nil)
1342 (defvar gnus-current-score-file nil)
1343 (defvar gnus-current-move-group nil)
1344 (defvar gnus-current-copy-group nil)
1345 (defvar gnus-current-crosspost-group nil)
1346 (defvar gnus-newsgroup-display nil)
1348 (defvar gnus-newsgroup-dependencies nil)
1349 (defvar gnus-newsgroup-adaptive nil)
1350 (defvar gnus-summary-display-article-function nil)
1351 (defvar gnus-summary-highlight-line-function nil
1352 "Function called after highlighting a summary line.")
1354 (defvar gnus-summary-line-format-alist
1355 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
1356 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
1357 (?s gnus-tmp-subject-or-nil ?s)
1358 (?n gnus-tmp-name ?s)
1359 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
1361 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
1363 (?F gnus-tmp-from ?s)
1364 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
1365 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
1366 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
1367 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
1368 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1369 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1370 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1371 (?k (gnus-summary-line-message-size gnus-tmp-header) ?s)
1372 (?L gnus-tmp-lines ?s)
1373 (?Z (or ,(gnus-macroexpand-all
1374 '(nnir-article-rsv (mail-header-number gnus-tmp-header)))
1376 (?G (or ,(gnus-macroexpand-all
1377 '(nnir-article-group (mail-header-number gnus-tmp-header)))
1379 (?g (or ,(gnus-macroexpand-all
1380 '(gnus-group-short-name
1381 (nnir-article-group (mail-header-number gnus-tmp-header))))
1383 (?O gnus-tmp-downloaded ?c)
1384 (?I gnus-tmp-indentation ?s)
1385 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1386 (?R gnus-tmp-replied ?c)
1387 (?\[ gnus-tmp-opening-bracket ?c)
1388 (?\] gnus-tmp-closing-bracket ?c)
1389 (?\> (make-string gnus-tmp-level ? ) ?s)
1390 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1391 (?i gnus-tmp-score ?d)
1392 (?z gnus-tmp-score-char ?c)
1393 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1394 (?U gnus-tmp-unread ?c)
1395 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from)
1397 (?t (gnus-summary-number-of-articles-in-thread
1398 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1400 (?e (gnus-summary-number-of-articles-in-thread
1401 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1403 (?u gnus-tmp-user-defined ?s)
1404 (?P (gnus-pick-line-number) ?d)
1405 (?B gnus-tmp-thread-tree-header-string ?s)
1406 (user-date (gnus-user-date
1407 ,(macroexpand '(mail-header-date gnus-tmp-header))) ?s))
1408 "An alist of format specifications that can appear in summary lines.
1409 These are paired with what variables they correspond with, along with
1410 the type of the variable (string, integer, character, etc).")
1412 (defvar gnus-summary-dummy-line-format-alist
1413 `((?S gnus-tmp-subject ?s)
1414 (?N gnus-tmp-number ?d)
1415 (?u gnus-tmp-user-defined ?s)))
1417 (defvar gnus-summary-mode-line-format-alist
1418 `((?G gnus-tmp-group-name ?s)
1419 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1420 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1421 (?A gnus-tmp-article-number ?d)
1422 (?Z gnus-tmp-unread-and-unselected ?s)
1423 (?V gnus-version ?s)
1424 (?U gnus-tmp-unread-and-unticked ?d)
1425 (?S gnus-tmp-subject ?s)
1426 (?e gnus-tmp-unselected ?d)
1427 (?u gnus-tmp-user-defined ?s)
1428 (?d (length gnus-newsgroup-dormant) ?d)
1429 (?t (length gnus-newsgroup-marked) ?d)
1430 (?h (length gnus-newsgroup-spam-marked) ?d)
1431 (?r (length gnus-newsgroup-reads) ?d)
1432 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1433 (?E gnus-newsgroup-expunged-tally ?d)
1434 (?s (gnus-current-score-file-nondirectory) ?s)))
1436 ;; This is here rather than in gnus-art for compilation reasons.
1437 (defvar gnus-article-mode-line-format-alist
1438 (nconc '((?w (gnus-article-wash-status) ?s)
1439 (?m (gnus-article-mime-part-status) ?s))
1440 gnus-summary-mode-line-format-alist))
1442 (defvar gnus-last-search-regexp nil
1443 "Default regexp for article search command.")
1445 (defvar gnus-last-shell-command nil
1446 "Default shell command on article.")
1448 (defvar gnus-newsgroup-agentized nil
1449 "Locally bound in each summary buffer to indicate whether the server has been agentized.")
1450 (defvar gnus-newsgroup-begin nil)
1451 (defvar gnus-newsgroup-end nil)
1452 (defvar gnus-newsgroup-last-rmail nil)
1453 (defvar gnus-newsgroup-last-mail nil)
1454 (defvar gnus-newsgroup-last-folder nil)
1455 (defvar gnus-newsgroup-last-file nil)
1456 (defvar gnus-newsgroup-last-directory nil)
1457 (defvar gnus-newsgroup-auto-expire nil)
1458 (defvar gnus-newsgroup-active nil)
1459 (defvar gnus-newsgroup-highest nil)
1461 (defvar gnus-newsgroup-data nil)
1462 (defvar gnus-newsgroup-data-reverse nil)
1463 (defvar gnus-newsgroup-limit nil)
1464 (defvar gnus-newsgroup-limits nil)
1465 (defvar gnus-summary-use-undownloaded-faces nil)
1467 (defvar gnus-newsgroup-unreads nil
1468 "Sorted list of unread articles in the current newsgroup.")
1470 (defvar gnus-newsgroup-unselected nil
1471 "Sorted list of unselected unread articles in the current newsgroup.")
1473 (defvar gnus-newsgroup-reads nil
1474 "Alist of read articles and article marks in the current newsgroup.")
1476 (defvar gnus-newsgroup-expunged-tally nil)
1478 (defvar gnus-newsgroup-marked nil
1479 "Sorted list of ticked articles in the current newsgroup (a subset of unread art).")
1481 (defvar gnus-newsgroup-spam-marked nil
1482 "List of ranges of articles that have been marked as spam.")
1484 (defvar gnus-newsgroup-killed nil
1485 "List of ranges of articles that have been through the scoring process.")
1487 (defvar gnus-newsgroup-cached nil
1488 "Sorted list of articles that come from the article cache.")
1490 (defvar gnus-newsgroup-saved nil
1491 "List of articles that have been saved.")
1493 (defvar gnus-newsgroup-kill-headers nil)
1495 (defvar gnus-newsgroup-replied nil
1496 "List of articles that have been replied to in the current newsgroup.")
1498 (defvar gnus-newsgroup-forwarded nil
1499 "List of articles that have been forwarded in the current newsgroup.")
1501 (defvar gnus-newsgroup-recent nil
1502 "List of articles that have are recent in the current newsgroup.")
1504 (defvar gnus-newsgroup-expirable nil
1505 "Sorted list of articles in the current newsgroup that can be expired.")
1507 (defvar gnus-newsgroup-processable nil
1508 "List of articles in the current newsgroup that can be processed.")
1510 (defvar gnus-newsgroup-downloadable nil
1511 "Sorted list of articles in the current newsgroup that can be processed.")
1513 (defvar gnus-newsgroup-unfetched nil
1514 "Sorted list of articles in the current newsgroup whose headers have
1515 not been fetched into the agent.
1517 This list will always be a subset of gnus-newsgroup-undownloaded.")
1519 (defvar gnus-newsgroup-undownloaded nil
1520 "List of articles in the current newsgroup that haven't been downloaded.")
1522 (defvar gnus-newsgroup-unsendable nil
1523 "List of articles in the current newsgroup that won't be sent.")
1525 (defvar gnus-newsgroup-bookmarks nil
1526 "List of articles in the current newsgroup that have bookmarks.")
1528 (defvar gnus-newsgroup-dormant nil
1529 "Sorted list of dormant articles in the current newsgroup.")
1531 (defvar gnus-newsgroup-unseen nil
1532 "List of unseen articles in the current newsgroup.")
1534 (defvar gnus-newsgroup-seen nil
1535 "Range of seen articles in the current newsgroup.")
1537 (defvar gnus-newsgroup-articles nil
1538 "List of articles in the current newsgroup.")
1540 (defvar gnus-newsgroup-scored nil
1541 "List of scored articles in the current newsgroup.")
1543 (defvar gnus-newsgroup-headers nil
1544 "List of article headers in the current newsgroup.")
1546 (defvar gnus-newsgroup-threads nil)
1548 (defvar gnus-newsgroup-prepared nil
1549 "Whether the current group has been prepared properly.")
1551 (defvar gnus-newsgroup-ancient nil
1552 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1554 (defvar gnus-newsgroup-sparse nil)
1556 (defvar gnus-current-article nil)
1557 (defvar gnus-article-current nil)
1558 (defvar gnus-current-headers nil)
1559 (defvar gnus-have-all-headers nil)
1560 (defvar gnus-last-article nil)
1561 (defvar gnus-newsgroup-history nil)
1562 (defvar gnus-newsgroup-charset nil)
1563 (defvar gnus-newsgroup-ephemeral-charset nil)
1564 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1566 (defvar gnus-article-before-search nil)
1568 (defvar gnus-summary-local-variables
1569 '(gnus-newsgroup-name
1572 gnus-newsgroup-unreads
1573 gnus-newsgroup-unselected
1574 gnus-newsgroup-marked
1575 gnus-newsgroup-spam-marked
1576 gnus-newsgroup-reads
1577 gnus-newsgroup-saved
1578 gnus-newsgroup-replied
1579 gnus-newsgroup-forwarded
1580 gnus-newsgroup-recent
1581 gnus-newsgroup-expirable
1582 gnus-newsgroup-killed
1583 gnus-newsgroup-unseen
1585 gnus-newsgroup-cached
1586 gnus-newsgroup-downloadable
1587 gnus-newsgroup-undownloaded
1588 gnus-newsgroup-unsendable
1590 gnus-newsgroup-begin gnus-newsgroup-end
1591 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1592 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1593 gnus-newsgroup-last-directory
1594 gnus-newsgroup-auto-expire
1595 gnus-newsgroup-processable
1596 gnus-newsgroup-unfetched
1597 gnus-newsgroup-articles
1598 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1599 gnus-newsgroup-headers gnus-newsgroup-threads
1600 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1601 gnus-current-article gnus-current-headers gnus-have-all-headers
1602 gnus-last-article gnus-article-internal-prepare-hook
1603 (gnus-summary-article-delete-hook . global)
1604 (gnus-summary-article-move-hook . global)
1605 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1606 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1607 gnus-thread-expunge-below
1608 gnus-score-alist gnus-current-score-file
1609 (gnus-summary-expunge-below . global)
1610 (gnus-summary-mark-below . global)
1611 (gnus-orphan-score . global)
1612 gnus-newsgroup-active gnus-scores-exclude-files
1613 gnus-newsgroup-highest
1614 gnus-newsgroup-history gnus-newsgroup-ancient
1615 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1616 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1617 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1618 (gnus-newsgroup-expunged-tally . 0)
1619 gnus-cache-removable-articles
1620 gnus-newsgroup-data gnus-newsgroup-data-reverse
1621 gnus-newsgroup-limit gnus-newsgroup-limits
1622 gnus-newsgroup-charset gnus-newsgroup-display
1623 gnus-summary-use-undownloaded-faces)
1624 "Variables that are buffer-local to the summary buffers.")
1626 (defvar gnus-newsgroup-variables nil
1627 "A list of variables that have separate values in different newsgroups.
1628 A list of newsgroup (summary buffer) local variables, or cons of
1629 variables and their default expressions to be evalled (when the default
1630 values are not nil), that should be made global while the summary buffer
1633 Note: The default expressions will be evaluated (using function `eval')
1634 before assignment to the local variable rather than just assigned to it.
1635 If the default expression is the symbol `global', that symbol will not
1636 be evaluated but the global value of the local variable will be used
1639 These variables can be used to set variables in the group parameters
1640 while still allowing them to affect operations done in other buffers.
1643 \(setq gnus-newsgroup-variables
1644 '(message-use-followup-to
1645 (gnus-visible-headers .
1646 \"^From:\\\\|^Newsgroups:\\\\|^Subject:\\\\|^Date:\\\\|^To:\")))
1650 ;; Bind features so that require will believe that gnus-sum has
1651 ;; already been loaded (avoids infinite recursion)
1652 (let ((features (cons 'gnus-sum features)))
1653 (require 'gnus-art)))
1657 (defvar gnus-decode-encoded-word-methods
1658 '(mail-decode-encoded-word-string)
1659 "List of methods used to decode encoded words.
1661 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
1662 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
1663 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
1664 whose names match REGEXP.
1667 \((\"chinese\" . gnus-decode-encoded-word-string-by-guess)
1668 mail-decode-encoded-word-string
1669 (\"chinese\" . rfc1843-decode-string))")
1671 (defvar gnus-decode-encoded-word-methods-cache nil)
1673 (defun gnus-multi-decode-encoded-word-string (string)
1674 "Apply the functions from `gnus-encoded-word-methods' that match."
1675 (unless (and gnus-decode-encoded-word-methods-cache
1676 (eq gnus-newsgroup-name
1677 (car gnus-decode-encoded-word-methods-cache)))
1678 (setq gnus-decode-encoded-word-methods-cache (list gnus-newsgroup-name))
1679 (dolist (method gnus-decode-encoded-word-methods)
1680 (if (symbolp method)
1681 (nconc gnus-decode-encoded-word-methods-cache (list method))
1682 (if (and gnus-newsgroup-name
1683 (string-match (car method) gnus-newsgroup-name))
1684 (nconc gnus-decode-encoded-word-methods-cache
1685 (list (cdr method)))))))
1686 (dolist (method (cdr gnus-decode-encoded-word-methods-cache) string)
1687 (setq string (funcall method string))))
1689 ;; Subject simplification.
1691 (defun gnus-simplify-whitespace (str)
1692 "Remove excessive whitespace from STR."
1694 (while (string-match "[ \t][ \t]+" str)
1695 (setq str (concat (substring str 0 (match-beginning 0))
1697 (substring str (match-end 0)))))
1699 (when (string-match "^[ \t]+" str)
1700 (setq str (substring str (match-end 0))))
1702 (when (string-match "[ \t]+$" str)
1703 (setq str (substring str 0 (match-beginning 0))))
1706 (defun gnus-simplify-all-whitespace (str)
1707 "Remove all whitespace from STR."
1708 (while (string-match "[ \t\n]+" str)
1709 (setq str (replace-match "" nil nil str)))
1712 (defsubst gnus-simplify-subject-re (subject)
1713 "Remove \"Re:\" from subject lines."
1714 (if (string-match message-subject-re-regexp subject)
1715 (substring subject (match-end 0))
1718 (defun gnus-simplify-subject (subject &optional re-only)
1719 "Remove `Re:' and words in parentheses.
1720 If RE-ONLY is non-nil, strip leading `Re:'s only."
1721 (let ((case-fold-search t)) ;Ignore case.
1722 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1723 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1724 (setq subject (substring subject (match-end 0))))
1725 ;; Remove uninteresting prefixes.
1726 (when (and (not re-only)
1727 gnus-simplify-ignored-prefixes
1728 (string-match gnus-simplify-ignored-prefixes subject))
1729 (setq subject (substring subject (match-end 0))))
1730 ;; Remove words in parentheses from end.
1732 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1733 (setq subject (substring subject 0 (match-beginning 0)))))
1734 ;; Return subject string.
1737 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1739 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1740 (goto-char (point-min))
1741 (while (re-search-forward regexp nil t)
1742 (replace-match (or newtext ""))))
1744 (defun gnus-simplify-buffer-fuzzy (regexp)
1745 "Simplify string in the buffer fuzzily.
1746 The string in the accessible portion of the current buffer is simplified.
1747 It is assumed to be a single-line subject.
1748 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1749 matter is removed. Additional things can be deleted by setting
1750 `gnus-simplify-subject-fuzzy-regexp'."
1751 (let ((case-fold-search t)
1753 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1755 (while (not (eq modified-tick (buffer-modified-tick)))
1756 (setq modified-tick (buffer-modified-tick))
1759 (mapc 'gnus-simplify-buffer-fuzzy-step regexp))
1761 (gnus-simplify-buffer-fuzzy-step regexp)))
1762 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1763 (gnus-simplify-buffer-fuzzy-step
1764 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1765 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1767 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1768 (gnus-simplify-buffer-fuzzy-step " +" " ")
1769 (gnus-simplify-buffer-fuzzy-step " $")
1770 (gnus-simplify-buffer-fuzzy-step "^ +")))
1772 (defun gnus-simplify-subject-fuzzy (subject)
1773 "Simplify a subject string fuzzily.
1774 See `gnus-simplify-buffer-fuzzy' for details."
1776 (let ((regexp gnus-simplify-subject-fuzzy-regexp))
1777 (gnus-set-work-buffer)
1778 (let ((case-fold-search t))
1779 ;; Remove uninteresting prefixes.
1780 (when (and gnus-simplify-ignored-prefixes
1781 (string-match gnus-simplify-ignored-prefixes subject))
1782 (setq subject (substring subject (match-end 0))))
1784 (inline (gnus-simplify-buffer-fuzzy regexp))
1787 (defsubst gnus-simplify-subject-fully (subject)
1788 "Simplify a subject string according to `gnus-summary-gather-subject-limit'."
1790 (gnus-simplify-subject-functions
1791 (gnus-map-function gnus-simplify-subject-functions subject))
1792 ((null gnus-summary-gather-subject-limit)
1793 (gnus-simplify-subject-re subject))
1794 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1795 (gnus-simplify-subject-fuzzy subject))
1796 ((numberp gnus-summary-gather-subject-limit)
1797 (truncate-string-to-width (gnus-simplify-subject-re subject)
1798 gnus-summary-gather-subject-limit))
1802 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1803 "Check whether two subjects are equal.
1804 If optional argument SIMPLE-FIRST is t, first argument is already
1807 ((null simple-first)
1808 (equal (gnus-simplify-subject-fully s1)
1809 (gnus-simplify-subject-fully s2)))
1812 (gnus-simplify-subject-fully s2)))))
1814 (defun gnus-summary-bubble-group ()
1815 "Increase the score of the current group.
1816 This is a handy function to add to `gnus-summary-exit-hook' to
1817 increase the score of each group you read."
1818 (gnus-group-add-score gnus-newsgroup-name))
1822 ;;; Gnus summary mode
1825 (put 'gnus-summary-mode 'mode-class 'special)
1827 (defvar gnus-article-commands-menu)
1829 ;; Non-orthogonal keys
1831 (gnus-define-keys gnus-summary-mode-map
1832 " " gnus-summary-next-page
1833 "\177" gnus-summary-prev-page
1834 [delete] gnus-summary-prev-page
1835 [backspace] gnus-summary-prev-page
1836 "\r" gnus-summary-scroll-up
1837 "\M-\r" gnus-summary-scroll-down
1838 "n" gnus-summary-next-unread-article
1839 "p" gnus-summary-prev-unread-article
1840 "N" gnus-summary-next-article
1841 "P" gnus-summary-prev-article
1842 "\M-\C-n" gnus-summary-next-same-subject
1843 "\M-\C-p" gnus-summary-prev-same-subject
1844 "\M-n" gnus-summary-next-unread-subject
1845 "\M-p" gnus-summary-prev-unread-subject
1846 "." gnus-summary-first-unread-article
1847 "," gnus-summary-best-unread-article
1848 "\M-s" gnus-summary-search-article-forward
1849 "\M-r" gnus-summary-search-article-backward
1850 "\M-S" gnus-summary-repeat-search-article-forward
1851 "\M-R" gnus-summary-repeat-search-article-backward
1852 "<" gnus-summary-beginning-of-article
1853 ">" gnus-summary-end-of-article
1854 "j" gnus-summary-goto-article
1855 "^" gnus-summary-refer-parent-article
1856 "\M-^" gnus-summary-refer-article
1857 "u" gnus-summary-tick-article-forward
1858 "!" gnus-summary-tick-article-forward
1859 "U" gnus-summary-tick-article-backward
1860 "d" gnus-summary-mark-as-read-forward
1861 "D" gnus-summary-mark-as-read-backward
1862 "E" gnus-summary-mark-as-expirable
1863 "\M-u" gnus-summary-clear-mark-forward
1864 "\M-U" gnus-summary-clear-mark-backward
1865 "k" gnus-summary-kill-same-subject-and-select
1866 "\C-k" gnus-summary-kill-same-subject
1867 "\M-\C-k" gnus-summary-kill-thread
1868 "\M-\C-l" gnus-summary-lower-thread
1869 "e" gnus-summary-edit-article
1870 "#" gnus-summary-mark-as-processable
1871 "\M-#" gnus-summary-unmark-as-processable
1872 "\M-\C-t" gnus-summary-toggle-threads
1873 "\M-\C-s" gnus-summary-show-thread
1874 "\M-\C-h" gnus-summary-hide-thread
1875 "\M-\C-f" gnus-summary-next-thread
1876 "\M-\C-b" gnus-summary-prev-thread
1877 [(meta down)] gnus-summary-next-thread
1878 [(meta up)] gnus-summary-prev-thread
1879 "\M-\C-u" gnus-summary-up-thread
1880 "\M-\C-d" gnus-summary-down-thread
1881 "&" gnus-summary-execute-command
1882 "c" gnus-summary-catchup-and-exit
1883 "\C-w" gnus-summary-mark-region-as-read
1884 "\C-t" gnus-summary-toggle-truncation
1885 "?" gnus-summary-mark-as-dormant
1886 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1887 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1888 "\C-c\C-s\C-m\C-n" gnus-summary-sort-by-most-recent-number
1889 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1890 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1891 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1892 "\C-c\C-s\C-t" gnus-summary-sort-by-recipient
1893 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1894 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1895 "\C-c\C-s\C-m\C-d" gnus-summary-sort-by-most-recent-date
1896 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1897 "\C-c\C-s\C-o" gnus-summary-sort-by-original
1898 "\C-c\C-s\C-r" gnus-summary-sort-by-random
1899 "=" gnus-summary-expand-window
1900 "\C-x\C-s" gnus-summary-reselect-current-group
1901 "\M-g" gnus-summary-rescan-group
1902 "\C-c\C-r" gnus-summary-caesar-message
1903 "f" gnus-summary-followup
1904 "F" gnus-summary-followup-with-original
1905 "C" gnus-summary-cancel-article
1906 "r" gnus-summary-reply
1907 "R" gnus-summary-reply-with-original
1908 "\C-c\C-f" gnus-summary-mail-forward
1909 "o" gnus-summary-save-article
1910 "\C-o" gnus-summary-save-article-mail
1911 "|" gnus-summary-pipe-output
1912 "\M-k" gnus-summary-edit-local-kill
1913 "\M-K" gnus-summary-edit-global-kill
1915 "\C-c\C-d" gnus-summary-describe-group
1916 "q" gnus-summary-exit
1917 "Q" gnus-summary-exit-no-update
1918 "\C-c\C-i" gnus-info-find-node
1919 gnus-mouse-2 gnus-mouse-pick-article
1920 [follow-link] mouse-face
1921 "m" gnus-summary-mail-other-window
1922 "a" gnus-summary-post-news
1923 "x" gnus-summary-limit-to-unread
1924 "s" gnus-summary-isearch-article
1925 [tab] gnus-summary-widget-forward
1926 "t" gnus-summary-toggle-header
1927 "g" gnus-summary-show-article
1928 "l" gnus-summary-goto-last-article
1929 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1930 "\C-d" gnus-summary-enter-digest-group
1931 "\M-\C-d" gnus-summary-read-document
1932 "\M-\C-e" gnus-summary-edit-parameters
1933 "\M-\C-a" gnus-summary-customize-parameters
1935 "*" gnus-cache-enter-article
1936 "\M-*" gnus-cache-remove-article
1937 "\M-&" gnus-summary-universal-argument
1938 "\C-l" gnus-recenter
1939 "I" gnus-summary-increase-score
1940 "L" gnus-summary-lower-score
1941 "\M-i" gnus-symbolic-argument
1942 "h" gnus-summary-select-article-buffer
1944 "b" gnus-article-view-part
1945 "\M-t" gnus-summary-toggle-display-buttonized
1947 "V" gnus-summary-score-map
1948 "X" gnus-uu-extract-map
1949 "S" gnus-summary-send-map)
1951 ;; Sort of orthogonal keymap
1952 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1953 "t" gnus-summary-tick-article-forward
1954 "!" gnus-summary-tick-article-forward
1955 "d" gnus-summary-mark-as-read-forward
1956 "r" gnus-summary-mark-as-read-forward
1957 "c" gnus-summary-clear-mark-forward
1958 " " gnus-summary-clear-mark-forward
1959 "e" gnus-summary-mark-as-expirable
1960 "x" gnus-summary-mark-as-expirable
1961 "?" gnus-summary-mark-as-dormant
1962 "b" gnus-summary-set-bookmark
1963 "B" gnus-summary-remove-bookmark
1964 "#" gnus-summary-mark-as-processable
1965 "\M-#" gnus-summary-unmark-as-processable
1966 "S" gnus-summary-limit-include-expunged
1967 "C" gnus-summary-catchup
1968 "H" gnus-summary-catchup-to-here
1969 "h" gnus-summary-catchup-from-here
1970 "\C-c" gnus-summary-catchup-all
1971 "k" gnus-summary-kill-same-subject-and-select
1972 "K" gnus-summary-kill-same-subject
1973 "P" gnus-uu-mark-map)
1975 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1976 "c" gnus-summary-clear-above
1977 "u" gnus-summary-tick-above
1978 "m" gnus-summary-mark-above
1979 "k" gnus-summary-kill-below)
1981 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1982 "/" gnus-summary-limit-to-subject
1983 "n" gnus-summary-limit-to-articles
1984 "b" gnus-summary-limit-to-bodies
1985 "h" gnus-summary-limit-to-headers
1986 "w" gnus-summary-pop-limit
1987 "s" gnus-summary-limit-to-subject
1988 "a" gnus-summary-limit-to-author
1989 "u" gnus-summary-limit-to-unread
1990 "m" gnus-summary-limit-to-marks
1991 "M" gnus-summary-limit-exclude-marks
1992 "v" gnus-summary-limit-to-score
1993 "*" gnus-summary-limit-include-cached
1994 "D" gnus-summary-limit-include-dormant
1995 "T" gnus-summary-limit-include-thread
1996 "d" gnus-summary-limit-exclude-dormant
1997 "t" gnus-summary-limit-to-age
1998 "." gnus-summary-limit-to-unseen
1999 "x" gnus-summary-limit-to-extra
2000 "p" gnus-summary-limit-to-display-predicate
2001 "E" gnus-summary-limit-include-expunged
2002 "c" gnus-summary-limit-exclude-childless-dormant
2003 "C" gnus-summary-limit-mark-excluded-as-read
2004 "o" gnus-summary-insert-old-articles
2005 "N" gnus-summary-insert-new-articles
2006 "S" gnus-summary-limit-to-singletons
2007 "r" gnus-summary-limit-to-replied
2008 "R" gnus-summary-limit-to-recipient
2009 "A" gnus-summary-limit-to-address)
2011 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
2012 "n" gnus-summary-next-unread-article
2013 "p" gnus-summary-prev-unread-article
2014 "N" gnus-summary-next-article
2015 "P" gnus-summary-prev-article
2016 "\C-n" gnus-summary-next-same-subject
2017 "\C-p" gnus-summary-prev-same-subject
2018 "\M-n" gnus-summary-next-unread-subject
2019 "\M-p" gnus-summary-prev-unread-subject
2020 "f" gnus-summary-first-unread-article
2021 "b" gnus-summary-best-unread-article
2022 "j" gnus-summary-goto-article
2023 "g" gnus-summary-goto-subject
2024 "l" gnus-summary-goto-last-article
2025 "o" gnus-summary-pop-article)
2027 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
2028 "k" gnus-summary-kill-thread
2029 "E" gnus-summary-expire-thread
2030 "l" gnus-summary-lower-thread
2031 "i" gnus-summary-raise-thread
2032 "T" gnus-summary-toggle-threads
2033 "t" gnus-summary-rethread-current
2034 "^" gnus-summary-reparent-thread
2035 "\M-^" gnus-summary-reparent-children
2036 "s" gnus-summary-show-thread
2037 "S" gnus-summary-show-all-threads
2038 "h" gnus-summary-hide-thread
2039 "H" gnus-summary-hide-all-threads
2040 "n" gnus-summary-next-thread
2041 "p" gnus-summary-prev-thread
2042 "u" gnus-summary-up-thread
2043 "o" gnus-summary-top-thread
2044 "d" gnus-summary-down-thread
2045 "#" gnus-uu-mark-thread
2046 "\M-#" gnus-uu-unmark-thread)
2048 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
2049 "g" gnus-summary-prepare
2050 "c" gnus-summary-insert-cached-articles
2051 "d" gnus-summary-insert-dormant-articles
2052 "t" gnus-summary-insert-ticked-articles)
2054 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
2055 "c" gnus-summary-catchup-and-exit
2056 "C" gnus-summary-catchup-all-and-exit
2057 "E" gnus-summary-exit-no-update
2058 "Q" gnus-summary-exit
2059 "Z" gnus-summary-exit
2060 "n" gnus-summary-catchup-and-goto-next-group
2061 "p" gnus-summary-catchup-and-goto-prev-group
2062 "R" gnus-summary-reselect-current-group
2063 "G" gnus-summary-rescan-group
2064 "N" gnus-summary-next-group
2065 "s" gnus-summary-save-newsrc
2066 "P" gnus-summary-prev-group)
2068 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
2069 " " gnus-summary-next-page
2070 "n" gnus-summary-next-page
2071 "\177" gnus-summary-prev-page
2072 [delete] gnus-summary-prev-page
2073 "p" gnus-summary-prev-page
2074 "\r" gnus-summary-scroll-up
2075 "\M-\r" gnus-summary-scroll-down
2076 "<" gnus-summary-beginning-of-article
2077 ">" gnus-summary-end-of-article
2078 "b" gnus-summary-beginning-of-article
2079 "e" gnus-summary-end-of-article
2080 "^" gnus-summary-refer-parent-article
2081 "r" gnus-summary-refer-parent-article
2082 "C" gnus-summary-show-complete-article
2083 "D" gnus-summary-enter-digest-group
2084 "R" gnus-summary-refer-references
2085 "T" gnus-summary-refer-thread
2086 "W" gnus-warp-to-article
2087 "g" gnus-summary-show-article
2088 "s" gnus-summary-isearch-article
2089 [tab] gnus-summary-widget-forward
2090 "P" gnus-summary-print-article
2091 "S" gnus-sticky-article
2092 "M" gnus-mailing-list-insinuate
2093 "t" gnus-article-babel)
2095 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
2096 "b" gnus-article-add-buttons
2097 "B" gnus-article-add-buttons-to-head
2098 "o" gnus-article-treat-overstrike
2099 "e" gnus-article-emphasize
2100 "w" gnus-article-fill-cited-article
2101 "Q" gnus-article-fill-long-lines
2102 "L" gnus-article-toggle-truncate-lines
2103 "C" gnus-article-capitalize-sentences
2104 "c" gnus-article-remove-cr
2105 "q" gnus-article-de-quoted-unreadable
2106 "6" gnus-article-de-base64-unreadable
2107 "Z" gnus-article-decode-HZ
2108 "A" gnus-article-treat-ansi-sequences
2109 "h" gnus-article-wash-html
2110 "u" gnus-article-unsplit-urls
2111 "s" gnus-summary-force-verify-and-decrypt
2112 "f" gnus-article-display-x-face
2113 "l" gnus-summary-stop-page-breaking
2114 "r" gnus-summary-caesar-message
2115 "m" gnus-summary-morse-message
2116 "t" gnus-summary-toggle-header
2117 "g" gnus-treat-smiley
2118 "v" gnus-summary-verbose-headers
2119 "a" gnus-article-strip-headers-in-body ;; mnemonic: wash archive
2120 "p" gnus-article-verify-x-pgp-sig
2121 "d" gnus-article-treat-dumbquotes
2122 "U" gnus-article-treat-non-ascii
2123 "i" gnus-summary-idna-message)
2125 (gnus-define-keys (gnus-summary-wash-deuglify-map "Y" gnus-summary-wash-map)
2126 ;; mnemonic: deuglif*Y*
2127 "u" gnus-article-outlook-unwrap-lines
2128 "a" gnus-article-outlook-repair-attribution
2129 "c" gnus-article-outlook-rearrange-citation
2130 "f" gnus-article-outlook-deuglify-article) ;; mnemonic: full deuglify
2132 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
2133 "a" gnus-article-hide
2134 "h" gnus-article-hide-headers
2135 "b" gnus-article-hide-boring-headers
2136 "s" gnus-article-hide-signature
2137 "c" gnus-article-hide-citation
2138 "C" gnus-article-hide-citation-in-followups
2139 "l" gnus-article-hide-list-identifiers
2140 "B" gnus-article-strip-banner
2141 "P" gnus-article-hide-pem
2142 "\C-c" gnus-article-hide-citation-maybe)
2144 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
2145 "a" gnus-article-highlight
2146 "h" gnus-article-highlight-headers
2147 "c" gnus-article-highlight-citation
2148 "s" gnus-article-highlight-signature)
2150 (gnus-define-keys (gnus-summary-wash-header-map "G" gnus-summary-wash-map)
2151 "f" gnus-article-treat-fold-headers
2152 "u" gnus-article-treat-unfold-headers
2153 "n" gnus-article-treat-fold-newsgroups)
2155 (gnus-define-keys (gnus-summary-wash-display-map "D" gnus-summary-wash-map)
2156 "x" gnus-article-display-x-face
2157 "d" gnus-article-display-face
2158 "s" gnus-treat-smiley
2159 "D" gnus-article-remove-images
2160 "W" gnus-article-show-images
2161 "f" gnus-treat-from-picon
2162 "m" gnus-treat-mail-picon
2163 "n" gnus-treat-newsgroups-picon
2164 "g" gnus-treat-from-gravatar
2165 "h" gnus-treat-mail-gravatar)
2167 (gnus-define-keys (gnus-summary-wash-mime-map "M" gnus-summary-wash-map)
2168 "w" gnus-article-decode-mime-words
2169 "c" gnus-article-decode-charset
2170 "v" gnus-mime-view-all-parts
2171 "b" gnus-article-view-part)
2173 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
2174 "z" gnus-article-date-ut
2175 "u" gnus-article-date-ut
2176 "l" gnus-article-date-local
2177 "p" gnus-article-date-english
2178 "e" gnus-article-date-lapsed
2179 "o" gnus-article-date-original
2180 "i" gnus-article-date-iso8601
2181 "s" gnus-article-date-user)
2183 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
2184 "t" gnus-article-remove-trailing-blank-lines
2185 "l" gnus-article-strip-leading-blank-lines
2186 "m" gnus-article-strip-multiple-blank-lines
2187 "a" gnus-article-strip-blank-lines
2188 "A" gnus-article-strip-all-blank-lines
2189 "s" gnus-article-strip-leading-space
2190 "e" gnus-article-strip-trailing-space
2191 "w" gnus-article-remove-leading-whitespace)
2193 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
2195 "d" gnus-summary-describe-group
2196 "h" gnus-summary-describe-briefly
2197 "i" gnus-info-find-node)
2199 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
2200 "e" gnus-summary-expire-articles
2201 "\M-\C-e" gnus-summary-expire-articles-now
2202 "\177" gnus-summary-delete-article
2203 [delete] gnus-summary-delete-article
2204 [backspace] gnus-summary-delete-article
2205 "m" gnus-summary-move-article
2206 "r" gnus-summary-respool-article
2207 "w" gnus-summary-edit-article
2208 "c" gnus-summary-copy-article
2209 "B" gnus-summary-crosspost-article
2210 "q" gnus-summary-respool-query
2211 "t" gnus-summary-respool-trace
2212 "i" gnus-summary-import-article
2213 "I" gnus-summary-create-article
2214 "p" gnus-summary-article-posted-p)
2216 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
2217 "o" gnus-summary-save-article
2218 "m" gnus-summary-save-article-mail
2219 "F" gnus-summary-write-article-file
2220 "r" gnus-summary-save-article-rmail
2221 "f" gnus-summary-save-article-file
2222 "b" gnus-summary-save-article-body-file
2223 "B" gnus-summary-write-article-body-file
2224 "h" gnus-summary-save-article-folder
2225 "v" gnus-summary-save-article-vm
2226 "p" gnus-summary-pipe-output
2227 "P" gnus-summary-muttprint)
2229 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
2230 "b" gnus-summary-display-buttonized
2231 "m" gnus-summary-repair-multipart
2232 "v" gnus-article-view-part
2233 "o" gnus-article-save-part
2234 "O" gnus-article-save-part-and-strip
2235 "r" gnus-article-replace-part
2236 "d" gnus-article-delete-part
2237 "t" gnus-article-view-part-as-type
2238 "j" gnus-article-jump-to-part
2239 "c" gnus-article-copy-part
2240 "C" gnus-article-view-part-as-charset
2241 "e" gnus-article-view-part-externally
2242 "H" gnus-article-browse-html-article
2243 "E" gnus-article-encrypt-body
2244 "i" gnus-article-inline-part
2245 "|" gnus-article-pipe-part)
2247 (gnus-define-keys (gnus-uu-mark-map "P" gnus-summary-mark-map)
2248 "p" gnus-summary-mark-as-processable
2249 "u" gnus-summary-unmark-as-processable
2250 "U" gnus-summary-unmark-all-processable
2251 "v" gnus-uu-mark-over
2252 "s" gnus-uu-mark-series
2253 "r" gnus-uu-mark-region
2254 "g" gnus-uu-unmark-region
2255 "R" gnus-uu-mark-by-regexp
2256 "G" gnus-uu-unmark-by-regexp
2257 "t" gnus-uu-mark-thread
2258 "T" gnus-uu-unmark-thread
2259 "a" gnus-uu-mark-all
2260 "b" gnus-uu-mark-buffer
2261 "S" gnus-uu-mark-sparse
2262 "k" gnus-summary-kill-process-mark
2263 "y" gnus-summary-yank-process-mark
2264 "w" gnus-summary-save-process-mark
2265 "i" gnus-uu-invert-processable)
2267 (gnus-define-keys (gnus-uu-extract-map "X" gnus-summary-mode-map)
2268 ;;"x" gnus-uu-extract-any
2269 "m" gnus-summary-save-parts
2270 "u" gnus-uu-decode-uu
2271 "U" gnus-uu-decode-uu-and-save
2272 "s" gnus-uu-decode-unshar
2273 "S" gnus-uu-decode-unshar-and-save
2274 "o" gnus-uu-decode-save
2275 "O" gnus-uu-decode-save
2276 "b" gnus-uu-decode-binhex
2277 "B" gnus-uu-decode-binhex
2278 "Y" gnus-uu-decode-yenc
2279 "p" gnus-uu-decode-postscript
2280 "P" gnus-uu-decode-postscript-and-save)
2283 (gnus-uu-extract-view-map "v" gnus-uu-extract-map)
2284 "u" gnus-uu-decode-uu-view
2285 "U" gnus-uu-decode-uu-and-save-view
2286 "s" gnus-uu-decode-unshar-view
2287 "S" gnus-uu-decode-unshar-and-save-view
2288 "o" gnus-uu-decode-save-view
2289 "O" gnus-uu-decode-save-view
2290 "b" gnus-uu-decode-binhex-view
2291 "B" gnus-uu-decode-binhex-view
2292 "p" gnus-uu-decode-postscript-view
2293 "P" gnus-uu-decode-postscript-and-save-view)
2295 (defvar gnus-article-post-menu nil)
2297 (defconst gnus-summary-menu-maxlen 20)
2299 (defun gnus-summary-menu-split (menu)
2300 ;; If we have lots of elements, divide them into groups of 20
2301 ;; and make a pane (or submenu) for each one.
2302 (if (> (length menu) (/ (* gnus-summary-menu-maxlen 3) 2))
2303 (let ((menu menu) sublists next
2306 ;; Pull off the next gnus-summary-menu-maxlen elements
2307 ;; and make them the next element of sublist.
2308 (setq next (nthcdr gnus-summary-menu-maxlen menu))
2310 (setcdr (nthcdr (1- gnus-summary-menu-maxlen) menu)
2312 (setq sublists (cons (cons (format "%s ... %s" (aref (car menu) 0)
2313 (aref (car (last menu)) 0)) menu)
2317 (nreverse sublists))
2318 ;; Few elements--put them all in one pane.
2321 (defun gnus-summary-make-menu-bar ()
2322 (gnus-turn-off-edit-menu 'summary)
2324 (unless (boundp 'gnus-summary-misc-menu)
2327 gnus-summary-kill-menu gnus-summary-mode-map ""
2332 ["Customize" gnus-score-customize t])
2333 (gnus-make-score-map 'increase)
2334 (gnus-make-score-map 'lower)
2336 ["Kill below" gnus-summary-kill-below t]
2337 ["Mark above" gnus-summary-mark-above t]
2338 ["Tick above" gnus-summary-tick-above t]
2339 ["Clear above" gnus-summary-clear-above t])
2340 ["Current score" gnus-summary-current-score t]
2341 ["Set score" gnus-summary-set-score t]
2342 ["Switch current score file..." gnus-score-change-score-file t]
2343 ["Set mark below..." gnus-score-set-mark-below t]
2344 ["Set expunge below..." gnus-score-set-expunge-below t]
2345 ["Edit current score file" gnus-score-edit-current-scores t]
2346 ["Edit score file..." gnus-score-edit-file t]
2347 ["Trace score" gnus-score-find-trace t]
2348 ["Find words" gnus-score-find-favourite-words t]
2349 ["Rescore buffer" gnus-summary-rescore t]
2350 ["Increase score..." gnus-summary-increase-score t]
2351 ["Lower score..." gnus-summary-lower-score t]))))
2353 ;; Define both the Article menu in the summary buffer and the
2354 ;; equivalent Commands menu in the article buffer here for
2358 ["All" gnus-article-hide t]
2359 ["Headers" gnus-article-hide-headers t]
2360 ["Signature" gnus-article-hide-signature t]
2361 ["Citation" gnus-article-hide-citation t]
2362 ["List identifiers" gnus-article-hide-list-identifiers t]
2363 ["Banner" gnus-article-strip-banner t]
2364 ["Boring headers" gnus-article-hide-boring-headers t])
2366 ["All" gnus-article-highlight t]
2367 ["Headers" gnus-article-highlight-headers t]
2368 ["Signature" gnus-article-highlight-signature t]
2369 ["Citation" gnus-article-highlight-citation t])
2371 ["Words" gnus-article-decode-mime-words t]
2372 ["Charset" gnus-article-decode-charset t]
2373 ["QP" gnus-article-de-quoted-unreadable t]
2374 ["Base64" gnus-article-de-base64-unreadable t]
2375 ["View MIME buttons" gnus-summary-display-buttonized t]
2376 ["View all" gnus-mime-view-all-parts t]
2377 ["Verify and Decrypt" gnus-summary-force-verify-and-decrypt t]
2378 ["Encrypt body" gnus-article-encrypt-body
2379 :active (not (gnus-group-read-only-p))
2380 ,@(if (featurep 'xemacs) nil
2381 '(:help "Encrypt the message body on disk"))]
2382 ["Extract all parts..." gnus-summary-save-parts t]
2384 ["Repair multipart" gnus-summary-repair-multipart t]
2385 ["Pipe part..." gnus-article-pipe-part t]
2386 ["Inline part" gnus-article-inline-part t]
2387 ["View part as type..." gnus-article-view-part-as-type t]
2388 ["Encrypt body" gnus-article-encrypt-body
2389 :active (not (gnus-group-read-only-p))
2390 ,@(if (featurep 'xemacs) nil
2391 '(:help "Encrypt the message body on disk"))]
2392 ["View part externally" gnus-article-view-part-externally t]
2393 ["View HTML parts in browser" gnus-article-browse-html-article t]
2394 ["View part with charset..." gnus-article-view-part-as-charset t]
2395 ["Copy part" gnus-article-copy-part t]
2396 ["Save part..." gnus-article-save-part t]
2397 ["View part" gnus-article-view-part t]))
2399 ["Local" gnus-article-date-local t]
2400 ["ISO8601" gnus-article-date-iso8601 t]
2401 ["UT" gnus-article-date-ut t]
2402 ["Original" gnus-article-date-original t]
2403 ["Lapsed" gnus-article-date-lapsed t]
2404 ["User-defined" gnus-article-date-user t])
2406 ["Remove images" gnus-article-remove-images t]
2407 ["Toggle smiley" gnus-treat-smiley t]
2408 ["Show X-Face" gnus-article-display-x-face t]
2409 ["Show picons in From" gnus-treat-from-picon t]
2410 ["Show picons in mail headers" gnus-treat-mail-picon t]
2411 ["Show picons in news headers" gnus-treat-newsgroups-picon t]
2412 ["Show Gravatars in From" gnus-treat-from-gravatar t]
2413 ["Show Gravatars in mail headers" gnus-treat-mail-gravatar t]
2414 ("View as different encoding"
2415 ,@(gnus-summary-menu-split
2418 ;; Since easymenu under Emacs doesn't allow
2419 ;; lambda forms for menu commands, we should
2420 ;; provide intern'ed function symbols.
2421 (let ((command (intern (format "\
2422 gnus-summary-show-article-from-menu-as-charset-%s" cs))))
2426 (let ((gnus-summary-show-article-charset-alist
2428 (gnus-summary-show-article 1))))
2429 `[,(symbol-name cs) ,command t]))
2430 (sort (if (fboundp 'coding-system-list)
2431 (coding-system-list)
2432 (mapcar 'car mm-mime-mule-charset-alist))
2436 ["Leading" gnus-article-strip-leading-blank-lines t]
2437 ["Multiple" gnus-article-strip-multiple-blank-lines t]
2438 ["Trailing" gnus-article-remove-trailing-blank-lines t]
2439 ["All of the above" gnus-article-strip-blank-lines t]
2440 ["All" gnus-article-strip-all-blank-lines t]
2441 ["Leading space" gnus-article-strip-leading-space t]
2442 ["Trailing space" gnus-article-strip-trailing-space t]
2443 ["Leading space in headers"
2444 gnus-article-remove-leading-whitespace t])
2445 ["Overstrike" gnus-article-treat-overstrike t]
2446 ["Dumb quotes" gnus-article-treat-dumbquotes t]
2447 ["Non-ASCII" gnus-article-treat-non-ascii t]
2448 ["Emphasis" gnus-article-emphasize t]
2449 ["Word wrap" gnus-article-fill-cited-article t]
2450 ["Fill long lines" gnus-article-fill-long-lines t]
2451 ["Toggle truncate long lines" gnus-article-toggle-truncate-lines t]
2452 ["Capitalize sentences" gnus-article-capitalize-sentences t]
2453 ["Remove CR" gnus-article-remove-cr t]
2454 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
2455 ["Base64" gnus-article-de-base64-unreadable t]
2456 ["Rot 13" gnus-summary-caesar-message
2457 ,@(if (featurep 'xemacs) '(t)
2458 '(:help "\"Caesar rotate\" article by 13"))]
2459 ["De-IDNA" gnus-summary-idna-message t]
2460 ["Morse decode" gnus-summary-morse-message t]
2461 ["Unix pipe..." gnus-summary-pipe-message t]
2462 ["Add buttons" gnus-article-add-buttons t]
2463 ["Add buttons to head" gnus-article-add-buttons-to-head t]
2464 ["Stop page breaking" gnus-summary-stop-page-breaking t]
2465 ["Verbose header" gnus-summary-verbose-headers t]
2466 ["Toggle header" gnus-summary-toggle-header t]
2467 ["Unfold headers" gnus-article-treat-unfold-headers t]
2468 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
2469 ["Html" gnus-article-wash-html t]
2470 ["Unsplit URLs" gnus-article-unsplit-urls t]
2471 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
2472 ["Decode HZ" gnus-article-decode-HZ t]
2473 ["ANSI sequences" gnus-article-treat-ansi-sequences t]
2474 ("(Outlook) Deuglify"
2475 ["Unwrap lines" gnus-article-outlook-unwrap-lines t]
2476 ["Repair attribution" gnus-article-outlook-repair-attribution t]
2477 ["Rearrange citation" gnus-article-outlook-rearrange-citation t]
2478 ["Full (Outlook) deuglify"
2479 gnus-article-outlook-deuglify-article t])
2482 ["Save in default format..." gnus-summary-save-article
2483 ,@(if (featurep 'xemacs) '(t)
2484 '(:help "Save article using default method"))]
2485 ["Save in file..." gnus-summary-save-article-file
2486 ,@(if (featurep 'xemacs) '(t)
2487 '(:help "Save article in file"))]
2488 ["Save in Unix mail format..." gnus-summary-save-article-mail t]
2489 ["Save in MH folder..." gnus-summary-save-article-folder t]
2490 ["Save in VM folder..." gnus-summary-save-article-vm t]
2491 ["Save in RMAIL mbox..." gnus-summary-save-article-rmail t]
2492 ["Save body in file..." gnus-summary-save-article-body-file t]
2493 ["Pipe through a filter..." gnus-summary-pipe-output t]
2494 ["Print with Muttprint..." gnus-summary-muttprint t]
2495 ["Print" gnus-summary-print-article
2496 ,@(if (featurep 'xemacs) '(t)
2497 '(:help "Generate and print a PostScript image"))])
2498 ("Copy, move,... (Backend)"
2499 ,@(if (featurep 'xemacs) nil
2500 '(:help "Copying, moving, expiring articles..."))
2501 ["Respool article..." gnus-summary-respool-article t]
2502 ["Move article..." gnus-summary-move-article
2503 (gnus-check-backend-function
2504 'request-move-article gnus-newsgroup-name)]
2505 ["Copy article..." gnus-summary-copy-article t]
2506 ["Crosspost article..." gnus-summary-crosspost-article
2507 (gnus-check-backend-function
2508 'request-replace-article gnus-newsgroup-name)]
2509 ["Import file..." gnus-summary-import-article
2510 (gnus-check-backend-function
2511 'request-accept-article gnus-newsgroup-name)]
2512 ["Create article..." gnus-summary-create-article
2513 (gnus-check-backend-function
2514 'request-accept-article gnus-newsgroup-name)]
2515 ["Check if posted" gnus-summary-article-posted-p t]
2516 ["Edit article" gnus-summary-edit-article
2517 (not (gnus-group-read-only-p))]
2518 ["Delete article" gnus-summary-delete-article
2519 (gnus-check-backend-function
2520 'request-expire-articles gnus-newsgroup-name)]
2521 ["Query respool" gnus-summary-respool-query t]
2522 ["Trace respool" gnus-summary-respool-trace t]
2523 ["Delete expirable articles" gnus-summary-expire-articles-now
2524 (gnus-check-backend-function
2525 'request-expire-articles gnus-newsgroup-name)])
2527 ["Uudecode" gnus-uu-decode-uu
2528 ,@(if (featurep 'xemacs) '(t)
2529 '(:help "Decode uuencoded article(s)"))]
2530 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
2531 ["Unshar" gnus-uu-decode-unshar t]
2532 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
2533 ["Save" gnus-uu-decode-save t]
2534 ["Binhex" gnus-uu-decode-binhex t]
2535 ["Postscript" gnus-uu-decode-postscript t]
2536 ["All MIME parts" gnus-summary-save-parts t])
2538 ["Enter article" gnus-cache-enter-article t]
2539 ["Remove article" gnus-cache-remove-article t])
2540 ["Translate" gnus-article-babel t]
2541 ["Select article buffer" gnus-summary-select-article-buffer t]
2542 ["Make article buffer sticky" gnus-sticky-article t]
2543 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2544 ["Isearch article..." gnus-summary-isearch-article t]
2545 ["Beginning of the article" gnus-summary-beginning-of-article t]
2546 ["End of the article" gnus-summary-end-of-article t]
2547 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2548 ["Fetch referenced articles" gnus-summary-refer-references t]
2549 ["Fetch current thread" gnus-summary-refer-thread t]
2550 ["Fetch article with id..." gnus-summary-refer-article t]
2551 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2552 ["Redisplay" gnus-summary-show-article t]
2553 ["Raw article" gnus-summary-show-raw-article :keys "C-u g"])))
2555 gnus-summary-article-menu gnus-summary-mode-map ""
2556 (cons "Article" innards))
2558 (if (not (keymapp gnus-summary-article-menu))
2560 gnus-article-commands-menu gnus-article-mode-map ""
2561 (cons "Commands" innards))
2562 ;; in Emacs, don't share menu.
2563 (setq gnus-article-commands-menu
2564 (copy-keymap gnus-summary-article-menu))
2565 (define-key gnus-article-mode-map [menu-bar commands]
2566 (cons "Commands" gnus-article-commands-menu))))
2569 gnus-summary-thread-menu gnus-summary-mode-map ""
2571 ["Find all messages in thread" gnus-summary-refer-thread t]
2572 ["Toggle threading" gnus-summary-toggle-threads t]
2573 ["Hide threads" gnus-summary-hide-all-threads t]
2574 ["Show threads" gnus-summary-show-all-threads t]
2575 ["Hide thread" gnus-summary-hide-thread t]
2576 ["Show thread" gnus-summary-show-thread t]
2577 ["Go to next thread" gnus-summary-next-thread t]
2578 ["Go to previous thread" gnus-summary-prev-thread t]
2579 ["Go down thread" gnus-summary-down-thread t]
2580 ["Go up thread" gnus-summary-up-thread t]
2581 ["Top of thread" gnus-summary-top-thread t]
2582 ["Mark thread as read" gnus-summary-kill-thread t]
2583 ["Mark thread as expired" gnus-summary-expire-thread t]
2584 ["Lower thread score" gnus-summary-lower-thread t]
2585 ["Raise thread score" gnus-summary-raise-thread t]
2586 ["Rethread current" gnus-summary-rethread-current t]))
2589 gnus-summary-post-menu gnus-summary-mode-map ""
2591 ["Send a message (mail or news)" gnus-summary-post-news
2592 ,@(if (featurep 'xemacs) '(t)
2593 '(:help "Compose a new message (mail or news)"))]
2594 ["Followup" gnus-summary-followup
2595 ,@(if (featurep 'xemacs) '(t)
2596 '(:help "Post followup to this article"))]
2597 ["Followup and yank" gnus-summary-followup-with-original
2598 ,@(if (featurep 'xemacs) '(t)
2599 '(:help "Post followup to this article, quoting its contents"))]
2600 ["Supersede article" gnus-summary-supersede-article t]
2601 ["Cancel article" gnus-summary-cancel-article
2602 ,@(if (featurep 'xemacs) '(t)
2603 '(:help "Cancel an article you posted"))]
2604 ["Reply" gnus-summary-reply t]
2605 ["Reply and yank" gnus-summary-reply-with-original t]
2606 ["Wide reply" gnus-summary-wide-reply t]
2607 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2608 ,@(if (featurep 'xemacs) '(t)
2609 '(:help "Mail a reply, quoting this article"))]
2610 ["Very wide reply" gnus-summary-very-wide-reply t]
2611 ["Very wide reply and yank" gnus-summary-very-wide-reply-with-original
2612 ,@(if (featurep 'xemacs) '(t)
2613 '(:help "Mail a very wide reply, quoting this article"))]
2614 ["Mail forward" gnus-summary-mail-forward t]
2615 ["Post forward" gnus-summary-post-forward t]
2616 ["Digest and mail" gnus-uu-digest-mail-forward t]
2617 ["Digest and post" gnus-uu-digest-post-forward t]
2618 ["Resend message" gnus-summary-resend-message t]
2619 ["Resend message edit" gnus-summary-resend-message-edit t]
2620 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2621 ["Send a mail" gnus-summary-mail-other-window t]
2622 ["Create a local message" gnus-summary-news-other-window t]
2623 ["Uuencode and post" gnus-uu-post-news
2624 ,@(if (featurep 'xemacs) '(t)
2625 '(:help "Post a uuencoded article"))]
2626 ["Followup via news" gnus-summary-followup-to-mail t]
2627 ["Followup via news and yank"
2628 gnus-summary-followup-to-mail-with-original t]
2629 ["Strip signature on reply"
2632 (if (not (memq message-cite-function
2633 '(message-cite-original-without-signature
2634 message-cite-original)))
2635 ;; Stupid workaround for XEmacs not honoring :visible.
2636 (message "Can't toggle this value of `message-cite-function'")
2637 (setq message-cite-function
2638 (if (eq message-cite-function
2639 'message-cite-original-without-signature)
2640 'message-cite-original
2641 'message-cite-original-without-signature))))
2642 ;; XEmacs barfs on :visible.
2643 ,@(if (featurep 'xemacs) nil
2644 '(:visible (memq message-cite-function
2645 '(message-cite-original-without-signature
2646 message-cite-original))))
2648 :selected (eq message-cite-function
2649 'message-cite-original-without-signature)
2650 ,@(if (featurep 'xemacs) nil
2651 '(:help "Strip signature from cited article when replying."))]
2653 ;;["Send" gnus-summary-send-draft t]
2654 ;;["Send bounced" gnus-resend-bounced-mail t])
2658 ((not (keymapp gnus-summary-post-menu))
2659 (setq gnus-article-post-menu gnus-summary-post-menu))
2660 ((not gnus-article-post-menu)
2661 ;; Don't share post menu.
2662 (setq gnus-article-post-menu
2663 (copy-keymap gnus-summary-post-menu))))
2664 (define-key gnus-article-mode-map [menu-bar post]
2665 (cons "Post" gnus-article-post-menu))
2668 gnus-summary-misc-menu gnus-summary-mode-map ""
2671 ["Mark as read" gnus-summary-mark-as-read-forward t]
2672 ["Mark same subject and select"
2673 gnus-summary-kill-same-subject-and-select t]
2674 ["Mark same subject" gnus-summary-kill-same-subject t]
2675 ["Catchup" gnus-summary-catchup
2676 ,@(if (featurep 'xemacs) '(t)
2677 '(:help "Mark unread articles in this group as read"))]
2678 ["Catchup all" gnus-summary-catchup-all t]
2679 ["Catchup to here" gnus-summary-catchup-to-here t]
2680 ["Catchup from here" gnus-summary-catchup-from-here t]
2681 ["Catchup region" gnus-summary-mark-region-as-read
2682 (gnus-mark-active-p)]
2683 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2685 ["Tick" gnus-summary-tick-article-forward t]
2686 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2687 ["Remove marks" gnus-summary-clear-mark-forward t]
2688 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2689 ["Set bookmark" gnus-summary-set-bookmark t]
2690 ["Remove bookmark" gnus-summary-remove-bookmark t])
2692 ["Marks..." gnus-summary-limit-to-marks t]
2693 ["Subject..." gnus-summary-limit-to-subject t]
2694 ["Author..." gnus-summary-limit-to-author t]
2695 ["Recipient..." gnus-summary-limit-to-recipient t]
2696 ["Address..." gnus-summary-limit-to-address t]
2697 ["Age..." gnus-summary-limit-to-age t]
2698 ["Extra..." gnus-summary-limit-to-extra t]
2699 ["Score..." gnus-summary-limit-to-score t]
2700 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2701 ["Unread" gnus-summary-limit-to-unread t]
2702 ["Unseen" gnus-summary-limit-to-unseen t]
2703 ["Singletons" gnus-summary-limit-to-singletons t]
2704 ["Replied" gnus-summary-limit-to-replied t]
2705 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2706 ["Next or process marked articles" gnus-summary-limit-to-articles t]
2707 ["Pop limit" gnus-summary-pop-limit t]
2708 ["Show dormant" gnus-summary-limit-include-dormant t]
2709 ["Hide childless dormant"
2710 gnus-summary-limit-exclude-childless-dormant t]
2711 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2712 ["Hide marked" gnus-summary-limit-exclude-marks t]
2713 ["Show expunged" gnus-summary-limit-include-expunged t])
2715 ["Set mark" gnus-summary-mark-as-processable t]
2716 ["Remove mark" gnus-summary-unmark-as-processable t]
2717 ["Remove all marks" gnus-summary-unmark-all-processable t]
2718 ["Invert marks" gnus-uu-invert-processable t]
2719 ["Mark above" gnus-uu-mark-over t]
2720 ["Mark series" gnus-uu-mark-series t]
2721 ["Mark region" gnus-uu-mark-region (gnus-mark-active-p)]
2722 ["Unmark region" gnus-uu-unmark-region (gnus-mark-active-p)]
2723 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2724 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2725 ["Mark all" gnus-uu-mark-all t]
2726 ["Mark buffer" gnus-uu-mark-buffer t]
2727 ["Mark sparse" gnus-uu-mark-sparse t]
2728 ["Mark thread" gnus-uu-mark-thread t]
2729 ["Unmark thread" gnus-uu-unmark-thread t]
2730 ("Process Mark Sets"
2731 ["Kill" gnus-summary-kill-process-mark t]
2732 ["Yank" gnus-summary-yank-process-mark
2733 gnus-newsgroup-process-stack]
2734 ["Save" gnus-summary-save-process-mark t]
2735 ["Run command on marked..." gnus-summary-universal-argument t]))
2738 ["Page forward" gnus-summary-next-page
2739 ,@(if (featurep 'xemacs) '(t)
2740 '(:help "Show next page of article"))]
2741 ["Page backward" gnus-summary-prev-page
2742 ,@(if (featurep 'xemacs) '(t)
2743 '(:help "Show previous page of article"))]
2744 ["Line forward" gnus-summary-scroll-up t])
2746 ["Next unread article" gnus-summary-next-unread-article t]
2747 ["Previous unread article" gnus-summary-prev-unread-article t]
2748 ["Next article" gnus-summary-next-article t]
2749 ["Previous article" gnus-summary-prev-article t]
2750 ["Next unread subject" gnus-summary-next-unread-subject t]
2751 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2752 ["Next article same subject" gnus-summary-next-same-subject t]
2753 ["Previous article same subject" gnus-summary-prev-same-subject t]
2754 ["First unread article" gnus-summary-first-unread-article t]
2755 ["Best unread article" gnus-summary-best-unread-article t]
2756 ["Go to subject number..." gnus-summary-goto-subject t]
2757 ["Go to article number..." gnus-summary-goto-article t]
2758 ["Go to the last article" gnus-summary-goto-last-article t]
2759 ["Pop article off history" gnus-summary-pop-article t])
2761 ["Sort by number" gnus-summary-sort-by-number t]
2762 ["Sort by most recent number" gnus-summary-sort-by-most-recent-number t]
2763 ["Sort by author" gnus-summary-sort-by-author t]
2764 ["Sort by recipient" gnus-summary-sort-by-recipient t]
2765 ["Sort by subject" gnus-summary-sort-by-subject t]
2766 ["Sort by date" gnus-summary-sort-by-date t]
2767 ["Sort by most recent date" gnus-summary-sort-by-most-recent-date t]
2768 ["Sort by score" gnus-summary-sort-by-score t]
2769 ["Sort by lines" gnus-summary-sort-by-lines t]
2770 ["Sort by characters" gnus-summary-sort-by-chars t]
2771 ["Randomize" gnus-summary-sort-by-random t]
2772 ["Original sort" gnus-summary-sort-by-original t])
2774 ["Describe group" gnus-summary-describe-group t]
2775 ["Read manual" gnus-info-find-node t])
2777 ["Pick and read" gnus-pick-mode t]
2778 ["Binary" gnus-binary-mode t])
2780 ["Regenerate" gnus-summary-prepare t]
2781 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2782 ["Insert dormant articles" gnus-summary-insert-dormant-articles t]
2783 ["Insert ticked articles" gnus-summary-insert-ticked-articles t]
2784 ["Toggle threading" gnus-summary-toggle-threads t])
2785 ["See old articles" gnus-summary-insert-old-articles t]
2786 ["See new articles" gnus-summary-insert-new-articles t]
2787 ["Filter articles..." gnus-summary-execute-command t]
2788 ["Run command on articles..." gnus-summary-universal-argument t]
2789 ["Search articles forward..." gnus-summary-search-article-forward t]
2790 ["Search articles backward..." gnus-summary-search-article-backward t]
2791 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2792 ["Expand window" gnus-summary-expand-window t]
2793 ["Expire expirable articles" gnus-summary-expire-articles
2794 (gnus-check-backend-function
2795 'request-expire-articles gnus-newsgroup-name)]
2796 ["Edit local kill file" gnus-summary-edit-local-kill t]
2797 ["Edit main kill file" gnus-summary-edit-global-kill t]
2798 ["Edit group parameters" gnus-summary-edit-parameters t]
2799 ["Customize group parameters" gnus-summary-customize-parameters t]
2800 ["Send a bug report" gnus-bug t]
2802 ["Catchup and exit" gnus-summary-catchup-and-exit
2803 ,@(if (featurep 'xemacs) '(t)
2804 '(:help "Mark unread articles in this group as read, then exit"))]
2805 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2806 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2807 ["Catchup and goto prev" gnus-summary-catchup-and-goto-prev-group t]
2808 ["Exit group" gnus-summary-exit
2809 ,@(if (featurep 'xemacs) '(t)
2810 '(:help "Exit current group, return to group selection mode"))]
2811 ["Exit group without updating" gnus-summary-exit-no-update t]
2812 ["Exit and goto next group" gnus-summary-next-group t]
2813 ["Exit and goto prev group" gnus-summary-prev-group t]
2814 ["Reselect group" gnus-summary-reselect-current-group t]
2815 ["Rescan group" gnus-summary-rescan-group t]
2816 ["Update dribble" gnus-summary-save-newsrc t])))
2818 (gnus-run-hooks 'gnus-summary-menu-hook)))
2820 (defvar gnus-summary-tool-bar-map nil)
2822 ;; Note: The :set function in the `gnus-summary-tool-bar*' variables will only
2823 ;; affect _new_ message buffers. We might add a function that walks thru all
2824 ;; summary-mode buffers and force the update.
2825 (defun gnus-summary-tool-bar-update (&optional symbol value)
2826 "Update summary mode toolbar.
2827 Setter function for custom variables."
2828 (setq-default gnus-summary-tool-bar-map nil)
2830 ;; When used as ":set" function:
2831 (set-default symbol value))
2832 (when (gnus-buffer-live-p gnus-summary-buffer)
2833 (with-current-buffer gnus-summary-buffer
2834 (gnus-summary-make-tool-bar))))
2836 (defcustom gnus-summary-tool-bar (if (eq gmm-tool-bar-style 'gnome)
2837 'gnus-summary-tool-bar-gnome
2838 'gnus-summary-tool-bar-retro)
2839 "Specifies the Gnus summary tool bar.
2841 It can be either a list or a symbol refering to a list. See
2842 `gmm-tool-bar-from-list' for the format of the list. The
2843 default key map is `gnus-summary-mode-map'.
2845 Pre-defined symbols include `gnus-summary-tool-bar-gnome' and
2846 `gnus-summary-tool-bar-retro'."
2847 :type '(choice (const :tag "GNOME style" gnus-summary-tool-bar-gnome)
2848 (const :tag "Retro look" gnus-summary-tool-bar-retro)
2849 (repeat :tag "User defined list" gmm-tool-bar-item)
2851 :version "23.1" ;; No Gnus
2852 :initialize 'custom-initialize-default
2853 :set 'gnus-summary-tool-bar-update
2854 :group 'gnus-summary)
2856 (defcustom gnus-summary-tool-bar-gnome
2857 '((gnus-summary-post-news "mail/compose" nil)
2858 (gnus-summary-insert-new-articles "mail/inbox" nil
2859 :visible (or (not gnus-agent)
2861 (gnus-summary-reply-with-original "mail/reply")
2862 (gnus-summary-reply "mail/reply" nil :visible nil)
2863 (gnus-summary-followup-with-original "mail/reply-all")
2864 (gnus-summary-followup "mail/reply-all" nil :visible nil)
2865 (gnus-summary-mail-forward "mail/forward")
2866 (gnus-summary-save-article "mail/save")
2867 (gnus-summary-search-article-forward "search" nil :visible nil)
2868 (gnus-summary-print-article "print")
2869 (gnus-summary-tick-article-forward "flag-followup" nil :visible nil)
2870 ;; Some new commands that may need more suitable icons:
2871 (gnus-summary-save-newsrc "save" nil :visible nil)
2872 ;; (gnus-summary-show-article "stock_message-display" nil :visible nil)
2873 (gnus-summary-prev-article "left-arrow")
2874 (gnus-summary-next-article "right-arrow")
2875 (gnus-summary-next-page "next-page")
2876 ;; (gnus-summary-enter-digest-group "right_arrow" nil :visible nil)
2878 ;; Maybe some sort-by-... could be added:
2879 ;; (gnus-summary-sort-by-author "sort-a-z" nil :visible nil)
2880 ;; (gnus-summary-sort-by-date "sort-1-9" nil :visible nil)
2881 (gnus-summary-mark-as-expirable
2883 :visible (gnus-check-backend-function 'request-expire-articles
2884 gnus-newsgroup-name))
2885 (gnus-summary-mark-as-spam
2887 :visible (and (fboundp 'spam-group-ham-contents-p)
2888 (spam-group-ham-contents-p gnus-newsgroup-name))
2889 :help "Mark as spam")
2890 (gnus-summary-mark-as-read-forward
2892 :visible (and (fboundp 'spam-group-spam-contents-p)
2893 (spam-group-spam-contents-p gnus-newsgroup-name)))
2895 (gnus-summary-exit "exit")
2896 (gmm-customize-mode "preferences" t :help "Edit mode preferences")
2897 (gnus-info-find-node "help"))
2898 "List of functions for the summary tool bar (GNOME style).
2900 See `gmm-tool-bar-from-list' for the format of the list."
2901 :type '(repeat gmm-tool-bar-item)
2902 :version "23.1" ;; No Gnus
2903 :initialize 'custom-initialize-default
2904 :set 'gnus-summary-tool-bar-update
2905 :group 'gnus-summary)
2907 (defcustom gnus-summary-tool-bar-retro
2908 '((gnus-summary-prev-unread-article "gnus/prev-ur")
2909 (gnus-summary-next-unread-article "gnus/next-ur")
2910 (gnus-summary-post-news "gnus/post")
2911 (gnus-summary-followup-with-original "gnus/fuwo")
2912 (gnus-summary-followup "gnus/followup")
2913 (gnus-summary-reply-with-original "gnus/reply-wo")
2914 (gnus-summary-reply "gnus/reply")
2915 (gnus-summary-caesar-message "gnus/rot13")
2916 (gnus-uu-decode-uu "gnus/uu-decode")
2917 (gnus-summary-save-article-file "gnus/save-aif")
2918 (gnus-summary-save-article "gnus/save-art")
2919 (gnus-uu-post-news "gnus/uu-post")
2920 (gnus-summary-catchup "gnus/catchup")
2921 (gnus-summary-catchup-and-exit "gnus/cu-exit")
2922 (gnus-summary-exit "gnus/exit-summ")
2923 ;; Some new command that may need more suitable icons:
2924 (gnus-summary-print-article "gnus/print" nil :visible nil)
2925 (gnus-summary-mark-as-expirable "gnus/close" nil :visible nil)
2926 (gnus-summary-save-newsrc "gnus/save" nil :visible nil)
2927 ;; (gnus-summary-enter-digest-group "gnus/right_arrow" nil :visible nil)
2928 (gnus-summary-search-article-forward "gnus/search" nil :visible nil)
2929 ;; (gnus-summary-insert-new-articles "gnus/paste" nil :visible nil)
2930 ;; (gnus-summary-toggle-threads "gnus/open" nil :visible nil)
2932 (gnus-info-find-node "gnus/help" nil :visible nil))
2933 "List of functions for the summary tool bar (retro look).
2935 See `gmm-tool-bar-from-list' for the format of the list."
2936 :type '(repeat gmm-tool-bar-item)
2937 :version "23.1" ;; No Gnus
2938 :initialize 'custom-initialize-default
2939 :set 'gnus-summary-tool-bar-update
2940 :group 'gnus-summary)
2942 (defcustom gnus-summary-tool-bar-zap-list t
2943 "List of icon items from the global tool bar.
2944 These items are not displayed in the Gnus summary mode tool bar.
2946 See `gmm-tool-bar-from-list' for the format of the list."
2947 :type 'gmm-tool-bar-zap-list
2948 :version "23.1" ;; No Gnus
2949 :initialize 'custom-initialize-default
2950 :set 'gnus-summary-tool-bar-update
2951 :group 'gnus-summary)
2953 (defvar image-load-path)
2954 (defvar tool-bar-map)
2956 (defun gnus-summary-make-tool-bar (&optional force)
2957 "Make a summary mode tool bar from `gnus-summary-tool-bar'.
2958 When FORCE, rebuild the tool bar."
2959 (when (and (not (featurep 'xemacs))
2960 (boundp 'tool-bar-mode)
2962 (or (not gnus-summary-tool-bar-map) force))
2964 (gmm-image-load-path-for-library "gnus"
2967 (image-load-path (cons (car load-path)
2968 (when (boundp 'image-load-path)
2970 (map (gmm-tool-bar-from-list gnus-summary-tool-bar
2971 gnus-summary-tool-bar-zap-list
2972 'gnus-summary-mode-map)))
2974 ;; Need to set `gnus-summary-tool-bar-map' because `gnus-article-mode'
2976 (setq gnus-summary-tool-bar-map map))))
2977 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map))
2979 (defun gnus-score-set-default (var value)
2980 "A version of set that updates the GNU Emacs menu-bar."
2982 ;; It is the message that forces the active status to be updated.
2985 (defun gnus-make-score-map (type)
2986 "Make a summary score map of type TYPE."
2989 (let ((headers '(("author" "from" string)
2990 ("subject" "subject" string)
2991 ("article body" "body" string)
2992 ("article head" "head" string)
2993 ("xref" "xref" string)
2994 ("extra header" "extra" string)
2995 ("lines" "lines" number)
2996 ("followups to author" "followup" string)))
2997 (types '((number ("less than" <)
3000 (string ("substring" s)
3004 (perms '(("temporary" (current-time-string))
3012 (if (eq type 'lower)
3017 (setq header (car headers))
3023 (let ((ts (cdr (assoc (nth 2 header) types)))
3039 'gnus-summary-score-entry
3041 (if (or (string= (nth 1 header)
3043 (string= (nth 1 header)
3046 (list 'gnus-summary-header
3048 (list 'quote (nth 1 (car ts)))
3049 (list 'gnus-score-delta-default
3056 (list (nreverse outp))))
3059 (list (nreverse outt))))
3061 (setq headers (cdr headers)))
3062 (list (nreverse outh))))))))
3065 (declare-function turn-on-gnus-mailing-list-mode "gnus-ml" ())
3066 (defvar bookmark-make-record-function)
3069 (defun gnus-summary-mode (&optional group)
3070 "Major mode for reading articles.
3072 All normal editing commands are switched off.
3073 \\<gnus-summary-mode-map>
3074 Each line in this buffer represents one article. To read an
3075 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
3076 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
3079 You can also post articles and send mail from this buffer. To
3080 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
3081 of an article, type `\\[gnus-summary-reply]'.
3083 There are approx. one gazillion commands you can execute in this
3084 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
3086 The following commands are available:
3088 \\{gnus-summary-mode-map}"
3090 (kill-all-local-variables)
3091 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
3092 (gnus-summary-make-local-variables))
3093 (gnus-summary-make-local-variables)
3094 (setq gnus-newsgroup-name group)
3095 (when (gnus-visual-p 'summary-menu 'menu)
3096 (gnus-summary-make-menu-bar)
3097 (gnus-summary-make-tool-bar))
3098 (gnus-make-thread-indent-array)
3099 (gnus-simplify-mode-line)
3100 (setq major-mode 'gnus-summary-mode)
3101 (setq mode-name "Summary")
3102 (use-local-map gnus-summary-mode-map)
3103 (buffer-disable-undo)
3104 (setq buffer-read-only t ;Disable modification
3105 show-trailing-whitespace nil)
3106 (setq truncate-lines t)
3107 (add-to-invisibility-spec '(gnus-sum . t))
3108 (gnus-summary-set-display-table)
3109 (gnus-set-default-directory)
3110 (make-local-variable 'gnus-summary-line-format)
3111 (make-local-variable 'gnus-summary-line-format-spec)
3112 (make-local-variable 'gnus-summary-dummy-line-format)
3113 (make-local-variable 'gnus-summary-dummy-line-format-spec)
3114 (make-local-variable 'gnus-summary-mark-positions)
3115 (gnus-make-local-hook 'pre-command-hook)
3116 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
3117 (gnus-run-mode-hooks 'gnus-summary-mode-hook)
3118 (turn-on-gnus-mailing-list-mode)
3119 (mm-enable-multibyte)
3120 (set (make-local-variable 'bookmark-make-record-function)
3121 'gnus-summary-bookmark-make-record)
3122 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
3123 (gnus-update-summary-mark-positions))
3125 (defun gnus-summary-make-local-variables ()
3126 "Make all the local summary buffer variables."
3128 (dolist (local gnus-summary-local-variables)
3131 (if (eq (cdr local) 'global)
3132 ;; Copy the global value of the variable.
3133 (setq global (symbol-value (car local)))
3134 ;; Use the value from the list.
3135 (setq global (eval (cdr local))))
3136 (set (make-local-variable (car local)) global))
3137 ;; Simple nil-valued local variable.
3138 (set (make-local-variable local) nil)))))
3140 ;; Summary data functions.
3142 (defmacro gnus-data-number (data)
3145 (defmacro gnus-data-set-number (data number)
3146 `(setcar ,data ,number))
3148 (defmacro gnus-data-mark (data)
3151 (defmacro gnus-data-set-mark (data mark)
3152 `(setcar (nthcdr 1 ,data) ,mark))
3154 (defmacro gnus-data-pos (data)
3157 (defmacro gnus-data-set-pos (data pos)
3158 `(setcar (nthcdr 2 ,data) ,pos))
3160 (defmacro gnus-data-header (data)
3163 (defmacro gnus-data-set-header (data header)
3164 `(setf (nth 3 ,data) ,header))
3166 (defmacro gnus-data-level (data)
3169 (defmacro gnus-data-unread-p (data)
3170 `(= (nth 1 ,data) gnus-unread-mark))
3172 (defmacro gnus-data-read-p (data)
3173 `(/= (nth 1 ,data) gnus-unread-mark))
3175 (defmacro gnus-data-pseudo-p (data)
3176 `(consp (nth 3 ,data)))
3178 (defmacro gnus-data-find (number)
3179 `(assq ,number gnus-newsgroup-data))
3181 (defmacro gnus-data-find-list (number &optional data)
3182 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
3183 (memq (assq ,number bdata)
3186 (defmacro gnus-data-make (number mark pos header level)
3187 `(list ,number ,mark ,pos ,header ,level))
3189 (defun gnus-data-enter (after-article number mark pos header level offset)
3190 (let ((data (gnus-data-find-list after-article)))
3192 (error "No such article: %d" after-article))
3193 (setcdr data (cons (gnus-data-make number mark pos header level)
3195 (setq gnus-newsgroup-data-reverse nil)
3196 (gnus-data-update-list (cddr data) offset)))
3198 (defun gnus-data-enter-list (after-article list &optional offset)
3200 (let ((data (and after-article (gnus-data-find-list after-article)))
3204 (let ((odata gnus-newsgroup-data))
3205 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
3207 (gnus-data-update-list odata offset)))
3208 ;; Find the last element in the list to be spliced into the main
3210 (setq list (last list))
3213 (setcdr list gnus-newsgroup-data)
3214 (setq gnus-newsgroup-data ilist)
3216 (gnus-data-update-list (cdr list) offset)))
3217 (setcdr list (cdr data))
3220 (gnus-data-update-list (cdr list) offset))))
3221 (setq gnus-newsgroup-data-reverse nil))))
3223 (defun gnus-data-remove (article &optional offset)
3224 (let ((data gnus-newsgroup-data))
3225 (if (= (gnus-data-number (car data)) article)
3227 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
3228 gnus-newsgroup-data-reverse nil)
3230 (gnus-data-update-list gnus-newsgroup-data offset)))
3232 (when (= (gnus-data-number (cadr data)) article)
3233 (setcdr data (cddr data))
3235 (gnus-data-update-list (cdr data) offset))
3237 gnus-newsgroup-data-reverse nil))
3238 (setq data (cdr data))))))
3240 (defmacro gnus-data-list (backward)
3242 (or gnus-newsgroup-data-reverse
3243 (setq gnus-newsgroup-data-reverse
3244 (reverse gnus-newsgroup-data)))
3245 gnus-newsgroup-data))
3247 (defun gnus-data-update-list (data offset)
3248 "Add OFFSET to the POS of all data entries in DATA."
3249 (setq gnus-newsgroup-data-reverse nil)
3251 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
3252 (setq data (cdr data))))
3254 (defun gnus-summary-article-pseudo-p (article)
3255 "Say whether this article is a pseudo article or not."
3256 (not (vectorp (gnus-data-header (gnus-data-find article)))))
3258 (defmacro gnus-summary-article-sparse-p (article)
3259 "Say whether this article is a sparse article or not."
3260 `(memq ,article gnus-newsgroup-sparse))
3262 (defmacro gnus-summary-article-ancient-p (article)
3263 "Say whether this article is a sparse article or not."
3264 `(memq ,article gnus-newsgroup-ancient))
3266 (defun gnus-article-parent-p (number)
3267 "Say whether this article is a parent or not."
3268 (let ((data (gnus-data-find-list number)))
3269 (and (cdr data) ; There has to be an article after...
3270 (< (gnus-data-level (car data)) ; And it has to have a higher level.
3271 (gnus-data-level (nth 1 data))))))
3273 (defun gnus-article-children (number)
3274 "Return a list of all children to NUMBER."
3275 (let* ((data (gnus-data-find-list number))
3276 (level (gnus-data-level (car data)))
3278 (setq data (cdr data))
3280 (= (gnus-data-level (car data)) (1+ level)))
3281 (push (gnus-data-number (car data)) children)
3282 (setq data (cdr data)))
3285 (defmacro gnus-summary-skip-intangible ()
3286 "If the current article is intangible, then jump to a different article."
3287 '(let ((to (get-text-property (point) 'gnus-intangible)))
3288 (and to (gnus-summary-goto-subject to))))
3290 (defmacro gnus-summary-article-intangible-p ()
3291 "Say whether this article is intangible or not."
3292 '(get-text-property (point) 'gnus-intangible))
3294 (defun gnus-article-read-p (article)
3295 "Say whether ARTICLE is read or not."
3296 (not (or (memq article gnus-newsgroup-marked)
3297 (memq article gnus-newsgroup-spam-marked)
3298 (memq article gnus-newsgroup-unreads)
3299 (memq article gnus-newsgroup-unselected)
3300 (memq article gnus-newsgroup-dormant))))
3302 ;; Some summary mode macros.
3304 (defmacro gnus-summary-article-number ()
3305 "The article number of the article on the current line.
3306 If there isn't an article number here, then we return the current
3309 (gnus-summary-skip-intangible)
3310 (or (get-text-property (point) 'gnus-number)
3311 (gnus-summary-last-subject))))
3313 (defmacro gnus-summary-article-header (&optional number)
3314 "Return the header of article NUMBER."
3315 `(gnus-data-header (gnus-data-find
3316 ,(or number '(gnus-summary-article-number)))))
3318 (defmacro gnus-summary-thread-level (&optional number)
3319 "Return the level of thread that starts with article NUMBER."
3320 `(if (and (eq gnus-summary-make-false-root 'dummy)
3321 (get-text-property (point) 'gnus-intangible))
3323 (gnus-data-level (gnus-data-find
3324 ,(or number '(gnus-summary-article-number))))))
3326 (defmacro gnus-summary-article-mark (&optional number)
3327 "Return the mark of article NUMBER."
3328 `(gnus-data-mark (gnus-data-find
3329 ,(or number '(gnus-summary-article-number)))))
3331 (defmacro gnus-summary-article-pos (&optional number)
3332 "Return the position of the line of article NUMBER."
3333 `(gnus-data-pos (gnus-data-find
3334 ,(or number '(gnus-summary-article-number)))))
3336 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
3337 (defmacro gnus-summary-article-subject (&optional number)
3338 "Return current subject string or nil if nothing."
3341 `(gnus-data-header (assq ,number gnus-newsgroup-data))
3342 '(gnus-data-header (assq (gnus-summary-article-number)
3343 gnus-newsgroup-data)))))
3346 (mail-header-subject headers))))
3348 (defmacro gnus-summary-article-score (&optional number)
3349 "Return current article score."
3350 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
3351 gnus-newsgroup-scored))
3352 gnus-summary-default-score 0))
3354 (defun gnus-summary-article-children (&optional number)
3355 "Return a list of article numbers that are children of article NUMBER."
3356 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
3357 (level (gnus-data-level (car data)))
3359 (while (and (setq data (cdr data))
3360 (> (setq l (gnus-data-level (car data))) level))
3361 (and (= (1+ level) l)
3362 (push (gnus-data-number (car data))
3364 (nreverse children)))
3366 (defun gnus-summary-article-parent (&optional number)
3367 "Return the article number of the parent of article NUMBER."
3368 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
3369 (gnus-data-list t)))
3370 (level (gnus-data-level (car data))))
3372 () ; This is a root.
3373 ;; We search until we find an article with a level less than
3374 ;; this one. That function has to be the parent.
3375 (while (and (setq data (cdr data))
3376 (not (< (gnus-data-level (car data)) level))))
3377 (and data (gnus-data-number (car data))))))
3379 (defun gnus-unread-mark-p (mark)
3380 "Say whether MARK is the unread mark."
3381 (= mark gnus-unread-mark))
3383 (defun gnus-read-mark-p (mark)
3384 "Say whether MARK is one of the marks that mark as read.
3385 This is all marks except unread, ticked, dormant, and expirable."
3386 (not (or (= mark gnus-unread-mark)
3387 (= mark gnus-ticked-mark)
3388 (= mark gnus-spam-mark)
3389 (= mark gnus-dormant-mark)
3390 (= mark gnus-expirable-mark))))
3392 (defmacro gnus-article-mark (number)
3393 "Return the MARK of article NUMBER.
3394 This macro should only be used when computing the mark the \"first\"
3395 time; i.e., when generating the summary lines. After that,
3396 `gnus-summary-article-mark' should be used to examine the
3399 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
3400 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
3401 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
3402 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
3403 ((memq ,number gnus-newsgroup-spam-marked) gnus-spam-mark)
3404 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
3405 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
3406 (t (or (cdr (assq ,number gnus-newsgroup-reads))
3407 gnus-ancient-mark))))
3409 ;; Saving hidden threads.
3411 (defmacro gnus-save-hidden-threads (&rest forms)
3412 "Save hidden threads, eval FORMS, and restore the hidden threads."
3413 (let ((config (make-symbol "config")))
3414 `(let ((,config (gnus-hidden-threads-configuration)))
3418 (gnus-restore-hidden-threads-configuration ,config)))))
3419 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
3420 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
3422 (defun gnus-data-compute-positions ()
3423 "Compute the positions of all articles."
3424 (setq gnus-newsgroup-data-reverse nil)
3425 (let ((data gnus-newsgroup-data))
3427 (gnus-save-hidden-threads
3428 (gnus-summary-show-all-threads)
3429 (goto-char (point-min))
3431 (while (get-text-property (point) 'gnus-intangible)
3433 (gnus-data-set-pos (car data) (+ (point) 3))
3434 (setq data (cdr data))
3435 (forward-line 1))))))
3437 (defun gnus-hidden-threads-configuration ()
3438 "Return the current hidden threads configuration."
3441 (goto-char (point-min))
3443 (when (eq (get-char-property (point-at-eol) 'invisible) 'gnus-sum)
3444 (push (save-excursion (forward-line 0) (point)) config))
3448 (defun gnus-restore-hidden-threads-configuration (config)
3449 "Restore hidden threads configuration from CONFIG."
3451 (let (point (inhibit-read-only t))
3452 (while (setq point (pop config))
3454 (gnus-summary-hide-thread)))))
3456 ;; Various summary mode internalish functions.
3458 (defun gnus-mouse-pick-article (e)
3461 (gnus-summary-next-page nil t))
3463 (defun gnus-summary-set-display-table ()
3464 "Change the display table.
3465 Odd characters have a tendency to mess
3466 up nicely formatted displays - we make all possible glyphs
3467 display only a single character."
3469 ;; We start from the standard display table, if any.
3470 (let ((table (or (copy-sequence standard-display-table)
3471 (make-display-table)))
3473 ;; Nix out all the control chars...
3474 (while (>= (setq i (1- i)) 0)
3475 (gnus-put-display-table i [??] table))
3476 ;; ... but not newline and cr, of course. (cr is necessary for the
3477 ;; selective display).
3478 (gnus-put-display-table ?\n nil table)
3479 (gnus-put-display-table ?\r nil table)
3480 ;; We keep TAB as well.
3481 (gnus-put-display-table ?\t nil table)
3482 ;; We nix out any glyphs 127 through 255, or 127 through 159 in
3483 ;; Emacs 23 (unicode), that are not set already.
3484 (let ((i (if (ignore-errors (= (make-char 'latin-iso8859-1 160) 160))
3487 (while (>= (setq i (1- i)) 127)
3488 ;; Only modify if the entry is nil.
3489 (unless (gnus-get-display-table i table)
3490 (gnus-put-display-table i [??] table))))
3491 (setq buffer-display-table table)))
3493 (defun gnus-summary-set-article-display-arrow (pos)
3494 "Update the overlay arrow to point to line at position POS."
3495 (when gnus-summary-display-arrow
3496 (make-local-variable 'overlay-arrow-position)
3497 (make-local-variable 'overlay-arrow-string)
3501 (unless overlay-arrow-position
3502 (setq overlay-arrow-position (make-marker)))
3503 (setq overlay-arrow-string "=>"
3504 overlay-arrow-position (set-marker overlay-arrow-position
3506 (current-buffer))))))
3508 (defun gnus-summary-setup-buffer (group)
3509 "Initialize summary buffer."
3510 (let ((buffer (gnus-summary-buffer-name group))
3511 (dead-name (concat "*Dead Summary "
3512 (gnus-group-decoded-name group) "*")))
3513 ;; If a dead summary buffer exists, we kill it.
3514 (when (gnus-buffer-live-p dead-name)
3515 (gnus-kill-buffer dead-name))
3516 (if (get-buffer buffer)
3519 (setq gnus-summary-buffer (current-buffer))
3520 (not gnus-newsgroup-prepared))
3521 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
3522 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
3523 (gnus-summary-mode group)
3524 (when (gnus-group-quit-config group)
3525 (set (make-local-variable 'gnus-single-article-buffer) nil))
3526 (make-local-variable 'gnus-article-buffer)
3527 (make-local-variable 'gnus-article-current)
3528 (make-local-variable 'gnus-original-article-buffer)
3529 (setq gnus-newsgroup-name group)
3530 ;; Set any local variables in the group parameters.
3531 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3534 (defun gnus-set-global-variables ()
3535 "Set the global equivalents of the buffer-local variables.
3536 They are set to the latest values they had. These reflect the summary
3537 buffer that was in action when the last article was fetched."
3538 (when (eq major-mode 'gnus-summary-mode)
3539 (setq gnus-summary-buffer (current-buffer))
3540 (let ((name gnus-newsgroup-name)
3541 (marked gnus-newsgroup-marked)
3542 (spam gnus-newsgroup-spam-marked)
3543 (unread gnus-newsgroup-unreads)
3544 (headers gnus-current-headers)
3545 (data gnus-newsgroup-data)
3546 (summary gnus-summary-buffer)
3547 (article-buffer gnus-article-buffer)
3548 (original gnus-original-article-buffer)
3549 (gac gnus-article-current)
3550 (reffed gnus-reffed-article-number)
3551 (score-file gnus-current-score-file)
3552 (default-charset gnus-newsgroup-charset)
3554 (let ((locals gnus-newsgroup-variables))
3556 (if (consp (car locals))
3557 (push (eval (caar locals)) vlist)
3558 (push (eval (car locals)) vlist))
3559 (setq locals (cdr locals)))
3560 (setq vlist (nreverse vlist)))
3561 (with-current-buffer gnus-group-buffer
3562 (setq gnus-newsgroup-name name
3563 gnus-newsgroup-marked marked
3564 gnus-newsgroup-spam-marked spam
3565 gnus-newsgroup-unreads unread
3566 gnus-current-headers headers
3567 gnus-newsgroup-data data
3568 gnus-article-current gac
3569 gnus-summary-buffer summary
3570 gnus-article-buffer article-buffer
3571 gnus-original-article-buffer original
3572 gnus-reffed-article-number reffed
3573 gnus-current-score-file score-file
3574 gnus-newsgroup-charset default-charset)
3575 (let ((locals gnus-newsgroup-variables))
3577 (if (consp (car locals))
3578 (set (caar locals) (pop vlist))
3579 (set (car locals) (pop vlist)))
3580 (setq locals (cdr locals))))
3581 ;; The article buffer also has local variables.
3582 (when (gnus-buffer-live-p gnus-article-buffer)
3583 (set-buffer gnus-article-buffer)
3584 (setq gnus-summary-buffer summary))))))
3586 (defun gnus-summary-article-unread-p (article)
3587 "Say whether ARTICLE is unread or not."
3588 (memq article gnus-newsgroup-unreads))
3590 (defun gnus-summary-first-article-p (&optional article)
3591 "Return whether ARTICLE is the first article in the buffer."
3592 (if (not (setq article (or article (gnus-summary-article-number))))
3594 (eq article (caar gnus-newsgroup-data))))
3596 (defun gnus-summary-last-article-p (&optional article)
3597 "Return whether ARTICLE is the last article in the buffer."
3598 (if (not (setq article (or article (gnus-summary-article-number))))
3599 ;; All non-existent numbers are the last article. :-)
3601 (not (cdr (gnus-data-find-list article)))))
3603 (defun gnus-make-thread-indent-array (&optional n)
3605 (progn (setq n 200) nil)
3606 (null gnus-thread-indent-array)
3607 (/= gnus-thread-indent-level gnus-thread-indent-array-level))
3608 (setq gnus-thread-indent-array (make-vector (1+ n) "")
3609 gnus-thread-indent-array-level gnus-thread-indent-level)
3611 (aset gnus-thread-indent-array n
3612 (make-string (* n gnus-thread-indent-level) ? ))
3615 (defun gnus-update-summary-mark-positions ()
3616 "Compute where the summary marks are to go."
3618 (when (gnus-buffer-exists-p gnus-summary-buffer)
3619 (set-buffer gnus-summary-buffer))
3620 (let ((spec gnus-summary-line-format-spec)
3623 (gnus-set-work-buffer)
3624 (let ((gnus-tmp-unread ?Z)
3625 (gnus-replied-mark ?Z)
3626 (gnus-score-below-mark ?Z)
3627 (gnus-score-over-mark ?Z)
3628 (gnus-undownloaded-mark ?Z)
3629 (gnus-summary-line-format-spec spec)
3630 (gnus-newsgroup-downloadable '(0))
3631 (header [0 "" "" "05 Apr 2001 23:33:09 +0400" "" "" 0 0 "" nil])
3632 case-fold-search ignores)
3633 ;; Here, all marks are bound to Z.
3634 (gnus-summary-insert-line header
3635 0 nil t gnus-tmp-unread t nil "" nil 1)
3636 (goto-char (point-min))
3637 ;; Memorize the positions of the same characters as dummy marks.
3638 (while (re-search-forward "[A-D]" nil t)
3639 (push (point) ignores))
3641 ;; We use A-D as dummy marks in order to know column positions
3642 ;; where marks should be inserted.
3643 (setq gnus-tmp-unread ?A
3644 gnus-replied-mark ?B
3645 gnus-score-below-mark ?C
3646 gnus-score-over-mark ?C
3647 gnus-undownloaded-mark ?D)
3648 (gnus-summary-insert-line header
3649 0 nil t gnus-tmp-unread t nil "" nil 1)
3650 ;; Ignore characters which aren't dummy marks.
3652 (delete-region (goto-char (1- p)) p)
3654 (goto-char (point-min))
3655 (setq pos (list (cons 'unread
3656 (and (search-forward "A" nil t)
3657 (- (point) (point-min) 1)))))
3658 (goto-char (point-min))
3659 (push (cons 'replied (and (search-forward "B" nil t)
3660 (- (point) (point-min) 1)))
3662 (goto-char (point-min))
3663 (push (cons 'score (and (search-forward "C" nil t)
3664 (- (point) (point-min) 1)))
3666 (goto-char (point-min))
3667 (push (cons 'download (and (search-forward "D" nil t)
3668 (- (point) (point-min) 1)))
3670 (setq gnus-summary-mark-positions pos))))
3672 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
3673 "Insert a dummy root in the summary buffer."
3675 (gnus-add-text-properties
3676 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
3677 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
3679 (defun gnus-summary-extract-address-component (from)
3680 (or (car (funcall gnus-extract-address-components from))
3683 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
3684 (let ((mail-parse-charset gnus-newsgroup-charset)
3685 (ignored-from-addresses (gnus-ignored-from-addresses))
3686 ; Is it really necessary to do this next part for each summary line?
3687 ; Luckily, doesn't seem to slow things down much.
3688 (mail-parse-ignored-charsets
3689 (with-current-buffer gnus-summary-buffer
3690 gnus-newsgroup-ignored-charsets)))
3692 (and ignored-from-addresses
3693 (string-match ignored-from-addresses gnus-tmp-from)
3694 (let ((extra-headers (mail-header-extra header))
3698 ((setq to (cdr (assq 'To extra-headers)))
3699 (concat gnus-summary-to-prefix
3701 (gnus-summary-extract-address-component
3702 (funcall gnus-decode-encoded-address-function to)))))
3705 (cdr (assq 'Newsgroups extra-headers))
3707 (memq 'Newsgroups gnus-extra-headers)
3708 (eq (car (gnus-find-method-for-group
3709 gnus-newsgroup-name)) 'nntp)
3710 (gnus-group-real-name gnus-newsgroup-name))))
3711 (concat gnus-summary-newsgroup-prefix newsgroups)))))
3712 (gnus-string-mark-left-to-right
3714 (gnus-summary-extract-address-component gnus-tmp-from))))))
3716 (defun gnus-summary-insert-line (gnus-tmp-header
3717 gnus-tmp-level gnus-tmp-current
3718 undownloaded gnus-tmp-unread gnus-tmp-replied
3719 gnus-tmp-expirable gnus-tmp-subject-or-nil
3720 &optional gnus-tmp-dummy gnus-tmp-score
3722 (if (>= gnus-tmp-level (length gnus-thread-indent-array))
3723 (gnus-make-thread-indent-array (max (* 2 (length gnus-thread-indent-array))
3725 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
3726 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
3727 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
3728 (gnus-tmp-score-char
3729 (if (or (null gnus-summary-default-score)
3730 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3731 gnus-summary-zcore-fuzz))
3733 (if (< gnus-tmp-score gnus-summary-default-score)
3734 gnus-score-below-mark gnus-score-over-mark)))
3735 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3737 (cond (gnus-tmp-process gnus-process-mark)
3738 ((memq gnus-tmp-current gnus-newsgroup-cached)
3740 (gnus-tmp-replied gnus-replied-mark)
3741 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3742 gnus-forwarded-mark)
3743 ((memq gnus-tmp-current gnus-newsgroup-saved)
3745 ((memq gnus-tmp-number gnus-newsgroup-recent)
3747 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3750 (gnus-tmp-downloaded
3752 gnus-undownloaded-mark)
3753 (gnus-newsgroup-agentized
3754 gnus-downloaded-mark)
3757 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3760 ((string-match "<[^>]+> *$" gnus-tmp-from)
3761 (let ((beg (match-beginning 0)))
3762 (or (and (string-match "^\".+\"" gnus-tmp-from)
3763 (substring gnus-tmp-from 1 (1- (match-end 0))))
3764 (substring gnus-tmp-from 0 beg))))
3765 ((string-match "(.+)" gnus-tmp-from)
3766 (substring gnus-tmp-from
3767 (1+ (match-beginning 0)) (1- (match-end 0))))
3769 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3770 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3771 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3772 (inhibit-read-only t))
3773 (when (string= gnus-tmp-name "")
3774 (setq gnus-tmp-name gnus-tmp-from))
3775 (unless (numberp gnus-tmp-lines)
3776 (setq gnus-tmp-lines -1))
3777 (if (= gnus-tmp-lines -1)
3778 (setq gnus-tmp-lines "?")
3779 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3781 (gnus-put-text-property
3783 (progn (eval gnus-summary-line-format-spec) (point))
3784 'gnus-number gnus-tmp-number)
3785 (error (gnus-message 5 "Error updating the summary line")))
3786 (when (gnus-visual-p 'summary-highlight 'highlight)
3788 (gnus-summary-highlight-line)
3789 (gnus-run-hooks 'gnus-summary-update-hook)
3792 (defun gnus-summary-update-line (&optional dont-update)
3793 "Update summary line after change."
3794 (when (and gnus-summary-default-score
3795 (not gnus-summary-inhibit-highlight))
3796 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3797 (article (gnus-summary-article-number))
3798 (score (gnus-summary-article-score article)))
3800 (if (and gnus-summary-mark-below
3801 (< (gnus-summary-article-score)
3802 gnus-summary-mark-below))
3803 ;; This article has a low score, so we mark it as read.
3804 (when (memq article gnus-newsgroup-unreads)
3805 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3806 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3807 ;; This article was previously marked as read on account
3808 ;; of a low score, but now it has risen, so we mark it as
3810 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3811 (gnus-summary-update-mark
3812 (if (or (null gnus-summary-default-score)
3813 (<= (abs (- score gnus-summary-default-score))
3814 gnus-summary-zcore-fuzz))
3816 (if (< score gnus-summary-default-score)
3817 gnus-score-below-mark gnus-score-over-mark))
3819 ;; Do visual highlighting.
3820 (when (gnus-visual-p 'summary-highlight 'highlight)
3821 (gnus-summary-highlight-line)
3822 (gnus-run-hooks 'gnus-summary-update-hook)))))
3824 (defvar gnus-tmp-new-adopts nil)
3826 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3827 "Return the number of articles in THREAD.
3828 This may be 0 in some cases -- if none of the articles in
3829 the thread are to be displayed."
3831 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3833 ((not (listp thread))
3835 ((and (consp thread) (cdr thread))
3838 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3841 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3844 (when (and level (zerop level) gnus-tmp-new-adopts)
3847 'gnus-summary-number-of-articles-in-thread
3848 gnus-tmp-new-adopts))))
3850 (if (> number 1) gnus-not-empty-thread-mark
3851 gnus-empty-thread-mark)
3854 (defsubst gnus-summary-line-message-size (head)
3855 "Return pretty-printed version of message size.
3856 This function is intended to be used in
3857 `gnus-summary-line-format-alist'."
3858 (let ((c (or (mail-header-chars head) -1)))
3859 (cond ((< c 0) "n/a") ; chars not available
3860 ((< c (* 1000 10)) (format "%1.1fk" (/ c 1024.0)))
3861 ((< c (* 1000 100)) (format "%dk" (/ c 1024.0)))
3862 ((< c (* 1000 10000)) (format "%1.1fM" (/ c (* 1024.0 1024))))
3863 (t (format "%dM" (/ c (* 1024.0 1024)))))))
3865 (defcustom gnus-user-date-format-alist
3866 '(((gnus-seconds-today) . "Today, %H:%M")
3867 ((+ 86400 (gnus-seconds-today)) . "Yesterday, %H:%M")
3868 (604800 . "%A %H:%M") ; That's one week
3869 ((gnus-seconds-month) . "%A %d")
3870 ((gnus-seconds-year) . "%B %d")
3871 (t . "%b %d %Y")) ; This one is used when no other
3873 "Specifies date format depending on age of article.
3874 This is an alist of items (AGE . FORMAT). AGE can be a number (of
3875 seconds) or a Lisp expression evaluating to a number. When the age of
3876 the article is less than this number, then use `format-time-string'
3877 with the corresponding FORMAT for displaying the date of the article.
3878 If AGE is not a number or a Lisp expression evaluating to a
3879 non-number, then the corresponding FORMAT is used as a default value.
3881 Note that the list is processed from the beginning, so it should be
3882 sorted by ascending AGE. Also note that items following the first
3883 non-number AGE will be ignored.
3885 You can use the functions `gnus-seconds-today', `gnus-seconds-month'
3886 and `gnus-seconds-year' in the AGE spec. They return the number of
3887 seconds passed since the start of today, of this month, of this year,
3890 :group 'gnus-summary-format
3891 :type '(alist :key-type sexp :value-type string))
3893 (defun gnus-user-date (messy-date)
3894 "Format the messy-date according to `gnus-user-date-format-alist'.
3895 Returns \" ? \" if there's bad input or if another error occurs.
3896 Input should look like this: \"Sun, 14 Oct 2001 13:34:39 +0200\"."
3898 (let* ((messy-date (gnus-float-time (gnus-date-get-time messy-date)))
3899 (now (gnus-float-time))
3900 ;;If we don't find something suitable we'll use this one
3901 (my-format "%b %d '%y"))
3902 (let* ((difference (- now messy-date))
3903 (templist gnus-user-date-format-alist)
3904 (top (eval (caar templist))))
3905 (while (if (numberp top) (< top difference) (not top))
3907 (setq templist (cdr templist))
3908 (setq top (eval (caar templist)))))
3909 (if (stringp (cdr (car templist)))
3910 (setq my-format (cdr (car templist)))))
3911 (format-time-string (eval my-format) (seconds-to-time messy-date)))
3914 (defun gnus-summary-set-local-parameters (group)
3915 "Go through the local params of GROUP and set all variable specs in that list."
3916 (let ((vars '(quit-config active))) ; Ignore things that aren't
3918 (dolist (elem (gnus-group-find-parameter group))
3919 (and (consp elem) ; Has to be a cons.
3920 (consp (cdr elem)) ; The cdr has to be a list.
3921 (symbolp (car elem)) ; Has to be a symbol in there.
3922 (not (memq (car elem) vars))
3924 (push (car elem) vars)
3925 ;; Variables like `gnus-show-threads' that are globally
3926 ;; bound, if used as group parameters, need to get to be
3927 ;; buffer-local, whereas just parameters like `gcc-self',
3928 ;; `timestamp', etc. should not be bound as variables.
3929 (if (boundp (car elem))
3930 (set (make-local-variable (car elem)) (eval (nth 1 elem)))
3931 (eval (nth 1 elem))))))))
3933 (defun gnus-summary-read-group (group &optional show-all no-article
3934 kill-buffer no-display backward
3936 "Start reading news in newsgroup GROUP.
3937 If SHOW-ALL is non-nil, already read articles are also listed.
3938 If NO-ARTICLE is non-nil, no article is selected initially.
3939 If NO-DISPLAY, don't generate a summary buffer."
3943 (let ((gnus-auto-select-next nil))
3944 (or (gnus-summary-read-group-1
3945 group show-all no-article
3946 kill-buffer no-display
3949 select-articles nil)))))
3950 (eq gnus-auto-select-next 'quietly))
3951 (set-buffer gnus-group-buffer)
3952 ;; The entry function called above goes to the next
3953 ;; group automatically, so we go two groups back
3954 ;; if we are searching for the previous group.
3956 (gnus-group-prev-unread-group 2))
3957 (if (not (equal group (gnus-group-group-name)))
3958 (setq group (gnus-group-group-name))
3962 (defun gnus-summary-read-group-1 (group show-all no-article
3963 kill-buffer no-display
3964 &optional select-articles)
3965 ;; Killed foreign groups can't be entered.
3966 ;; (when (and (not (gnus-group-native-p group))
3967 ;; (not (gnus-gethash group gnus-newsrc-hashtb)))
3968 ;; (error "Dead non-native groups can't be entered"))
3969 (gnus-message 5 "Retrieving newsgroup: %s..."
3970 (gnus-group-decoded-name group))
3971 (let* ((new-group (gnus-summary-setup-buffer group))
3972 (quit-config (gnus-group-quit-config group))
3973 (did-select (and new-group (gnus-select-newsgroup
3974 group show-all select-articles))))
3976 ;; This summary buffer exists already, so we just select it.
3978 (gnus-set-global-variables)
3980 (gnus-kill-or-deaden-summary kill-buffer))
3981 (gnus-configure-windows 'summary 'force)
3982 (gnus-set-mode-line 'summary)
3983 (gnus-summary-position-point)
3986 ;; We couldn't select this group.
3988 (when (and (eq major-mode 'gnus-summary-mode)
3989 (not (equal (current-buffer) kill-buffer)))
3990 (kill-buffer (current-buffer))
3991 (if (not quit-config)
3993 ;; Update the info -- marks might need to be removed,
3995 (gnus-summary-update-info)
3996 (set-buffer gnus-group-buffer)
3997 (gnus-group-jump-to-group group)
3998 (gnus-group-next-unread-group 1))
3999 (gnus-handle-ephemeral-exit quit-config)))
4000 (if (null (gnus-list-of-unread-articles group))
4001 (gnus-message 3 "Group %s contains no messages" group)
4002 (gnus-message 3 "Can't select group"))
4004 ;; The user did a `C-g' while prompting for number of articles,
4005 ;; so we exit this group.
4006 ((eq did-select 'quit)
4007 (and (eq major-mode 'gnus-summary-mode)
4008 (not (equal (current-buffer) kill-buffer))
4009 (kill-buffer (current-buffer)))
4011 (gnus-kill-or-deaden-summary kill-buffer))
4012 (if (not quit-config)
4014 (set-buffer gnus-group-buffer)
4015 (gnus-group-jump-to-group group)
4016 (gnus-configure-windows 'group 'force))
4017 (gnus-handle-ephemeral-exit quit-config))
4018 ;; Finally signal the quit.
4020 ;; The group was successfully selected.
4022 (gnus-set-global-variables)
4023 ;; Save the active value in effect when the group was entered.
4024 (setq gnus-newsgroup-active
4026 (gnus-active gnus-newsgroup-name)))
4027 (setq gnus-newsgroup-highest (cdr gnus-newsgroup-active))
4028 ;; You can change the summary buffer in some way with this hook.
4029 (gnus-run-hooks 'gnus-select-group-hook)
4030 (when (memq 'summary (gnus-update-format-specifications
4031 nil 'summary 'summary-mode 'summary-dummy))
4032 ;; The format specification for the summary line was updated,
4033 ;; so we need to update the mark positions as well.
4034 (gnus-update-summary-mark-positions))
4035 ;; Do score processing.
4036 (when gnus-use-scoring
4037 (gnus-possibly-score-headers))
4038 ;; Check whether to fill in the gaps in the threads.
4039 (when gnus-build-sparse-threads
4040 (gnus-build-sparse-threads))
4041 ;; Find the initial limit.
4043 (let ((gnus-newsgroup-dormant nil))
4044 (gnus-summary-initial-limit show-all))
4045 (gnus-summary-initial-limit show-all))
4046 ;; Generate the summary buffer.
4048 (gnus-summary-prepare))
4049 (when gnus-use-trees
4050 (gnus-tree-open group)
4051 (setq gnus-summary-highlight-line-function
4052 'gnus-tree-highlight-article))
4053 ;; If the summary buffer is empty, but there are some low-scored
4054 ;; articles or some excluded dormants, we include these in the
4056 (when (and (zerop (buffer-size))
4058 (cond (gnus-newsgroup-dormant
4059 (gnus-summary-limit-include-dormant))
4060 ((and gnus-newsgroup-scored show-all)
4061 (gnus-summary-limit-include-expunged t))))
4062 ;; Function `gnus-apply-kill-file' must be called in this hook.
4063 (gnus-run-hooks 'gnus-apply-kill-hook)
4064 (if (and (zerop (buffer-size))
4067 ;; This newsgroup is empty.
4068 (gnus-summary-catchup-and-exit nil t)
4069 (gnus-message 6 "No unread news")
4071 (gnus-kill-or-deaden-summary kill-buffer))
4072 ;; Return nil from this function.
4074 ;; Hide conversation thread subtrees. We cannot do this in
4075 ;; gnus-summary-prepare-hook since kill processing may not
4076 ;; work with hidden articles.
4077 (gnus-summary-maybe-hide-threads)
4078 (gnus-configure-windows 'summary)
4080 (gnus-kill-or-deaden-summary kill-buffer))
4081 (gnus-summary-auto-select-subject)
4082 ;; Show first unread article if requested.
4083 (if (and (not no-article)
4085 gnus-newsgroup-unreads
4086 gnus-auto-select-first)
4088 (let ((art (gnus-summary-article-number)))
4089 (unless (and (not gnus-plugged)
4090 (or (memq art gnus-newsgroup-undownloaded)
4091 (memq art gnus-newsgroup-downloadable)))
4092 (gnus-summary-goto-article art))))
4093 ;; Don't select any articles.
4094 (gnus-summary-position-point)
4095 (gnus-configure-windows 'summary 'force)
4096 (gnus-set-mode-line 'summary))
4097 (when (and gnus-auto-center-group
4098 (get-buffer-window gnus-group-buffer t))
4099 ;; Gotta use windows, because recenter does weird stuff if
4100 ;; the current buffer ain't the displayed window.
4101 (let ((owin (selected-window)))
4102 (select-window (get-buffer-window gnus-group-buffer t))
4103 (when (gnus-group-goto-group group)
4105 (select-window owin)))
4106 ;; Mark this buffer as "prepared".
4107 (setq gnus-newsgroup-prepared t)
4108 (gnus-run-hooks 'gnus-summary-prepared-hook)
4109 (unless (gnus-ephemeral-group-p group)
4110 (gnus-group-update-group group nil t))
4113 (defun gnus-summary-auto-select-subject ()
4114 "Select the subject line on initial group entry."
4115 (goto-char (point-min))
4117 ((eq gnus-auto-select-subject 'best)
4118 (gnus-summary-best-unread-subject))
4119 ((eq gnus-auto-select-subject 'unread)
4120 (gnus-summary-first-unread-subject))
4121 ((eq gnus-auto-select-subject 'unseen)
4122 (gnus-summary-first-unseen-subject))
4123 ((eq gnus-auto-select-subject 'unseen-or-unread)
4124 (gnus-summary-first-unseen-or-unread-subject))
4125 ((eq gnus-auto-select-subject 'first)
4128 ((functionp gnus-auto-select-subject)
4129 (funcall gnus-auto-select-subject))))
4131 (defun gnus-summary-prepare ()
4132 "Generate the summary buffer."
4134 (let ((inhibit-read-only t))
4136 (setq gnus-newsgroup-data nil
4137 gnus-newsgroup-data-reverse nil)
4138 (gnus-run-hooks 'gnus-summary-generate-hook)
4139 ;; Generate the buffer, either with threads or without.
4140 (when gnus-newsgroup-headers
4141 (gnus-summary-prepare-threads
4142 (if gnus-show-threads
4143 (gnus-sort-gathered-threads
4144 (funcall gnus-summary-thread-gathering-function
4146 (gnus-cut-threads (gnus-make-threads)))))
4147 ;; Unthreaded display.
4148 (gnus-sort-articles gnus-newsgroup-headers))))
4149 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
4150 ;; Call hooks for modifying summary buffer.
4151 (goto-char (point-min))
4152 (gnus-run-hooks 'gnus-summary-prepare-hook)))
4154 (defsubst gnus-general-simplify-subject (subject)
4155 "Simplify subject by the same rules as `gnus-gather-threads-by-subject'."
4158 ;; Truncate the subject.
4159 (gnus-simplify-subject-functions
4160 (gnus-map-function gnus-simplify-subject-functions subject))
4161 ((numberp gnus-summary-gather-subject-limit)
4162 (setq subject (gnus-simplify-subject-re subject))
4163 (if (> (length subject) gnus-summary-gather-subject-limit)
4164 (substring subject 0 gnus-summary-gather-subject-limit)
4166 ;; Fuzzily simplify it.
4167 ((eq 'fuzzy gnus-summary-gather-subject-limit)
4168 (gnus-simplify-subject-fuzzy subject))
4169 ;; Just remove the leading "Re:".
4171 (gnus-simplify-subject-re subject))))
4173 (if (and gnus-summary-gather-exclude-subject
4174 (string-match gnus-summary-gather-exclude-subject subject))
4175 nil ; This article shouldn't be gathered
4178 (defun gnus-summary-simplify-subject-query ()
4179 "Query where the respool algorithm would put this article."
4181 (gnus-summary-select-article)
4182 (message "%s" (gnus-general-simplify-subject (gnus-summary-article-subject))))
4184 (defun gnus-gather-threads-by-subject (threads)
4185 "Gather threads by looking at Subject headers."
4186 (if (not gnus-summary-make-false-root)
4188 (let ((hashtb (gnus-make-hashtable 1024))
4191 subject hthread whole-subject)
4193 (setq subject (gnus-general-simplify-subject
4194 (setq whole-subject (mail-header-subject
4197 (if (setq hthread (gnus-gethash subject hashtb))
4199 ;; We enter a dummy root into the thread, if we
4200 ;; haven't done that already.
4201 (unless (stringp (caar hthread))
4202 (setcar hthread (list whole-subject (car hthread))))
4203 ;; We add this new gathered thread to this gathered
4205 (setcdr (car hthread)
4206 (nconc (cdar hthread) (list (car threads))))
4207 ;; Remove it from the list of threads.
4208 (setcdr prev (cdr threads))
4209 (setq threads prev))
4210 ;; Enter this thread into the hash table.
4211 (gnus-sethash subject
4212 (if gnus-summary-make-false-root-always
4214 ;; If you want a dummy root above all
4216 (setcar threads (list whole-subject
4222 (setq threads (cdr threads)))
4225 (defun gnus-gather-threads-by-references (threads)
4226 "Gather threads by looking at References headers."
4227 (let ((idhashtb (gnus-make-hashtable 1024))
4228 (thhashtb (gnus-make-hashtable 1024))
4231 ids references id gthread gid entered ref)
4233 (when (setq references (mail-header-references (caar threads)))
4234 (setq id (mail-header-id (caar threads))
4235 ids (inline (gnus-split-references references))
4237 (while (setq ref (pop ids))
4238 (setq ids (delete ref ids))
4239 (if (not (setq gid (gnus-gethash ref idhashtb)))
4241 (gnus-sethash ref id idhashtb)
4242 (gnus-sethash id threads thhashtb))
4243 (setq gthread (gnus-gethash gid thhashtb))
4245 ;; We enter a dummy root into the thread, if we
4246 ;; haven't done that already.
4247 (unless (stringp (caar gthread))
4248 (setcar gthread (list (mail-header-subject (caar gthread))
4250 ;; We add this new gathered thread to this gathered
4252 (setcdr (car gthread)
4253 (nconc (cdar gthread) (list (car threads)))))
4254 ;; Add it into the thread hash table.
4255 (gnus-sethash id gthread thhashtb)
4257 ;; Remove it from the list of threads.
4258 (setcdr prev (cdr threads))
4259 (setq threads prev))))
4261 (setq threads (cdr threads)))
4264 (defun gnus-sort-gathered-threads (threads)
4265 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
4266 (let ((result threads))
4268 (when (stringp (caar threads))
4269 (setcdr (car threads)
4270 (sort (cdar threads) gnus-sort-gathered-threads-function)))
4271 (setq threads (cdr threads)))
4274 (defun gnus-thread-loop-p (root thread)
4275 "Say whether ROOT is in THREAD."
4276 (let ((stack (list thread))
4279 (while (setq thread (pop stack))
4280 (setq th (cdr thread))
4282 (not (eq (caar th) root)))
4285 ;; We have found a loop.
4287 (setcdr thread (delq (car th) (cdr thread)))
4288 (if (boundp (setq ref-dep (intern "none"
4289 gnus-newsgroup-dependencies)))
4290 (setcdr (symbol-value ref-dep)
4291 (nconc (cdr (symbol-value ref-dep))
4293 (set ref-dep (list nil (car th))))
4296 ;; Push all the subthreads onto the stack.
4297 (push (cdr thread) stack)))
4300 (defun gnus-make-threads ()
4301 "Go through the dependency hashtb and find the roots. Return all threads."
4303 (while (catch 'infloop
4306 ;; Deal with self-referencing References loops.
4307 (when (and (car (symbol-value refs))
4314 (car (symbol-value refs)) thread))
4315 (cdr (symbol-value refs)))))))
4318 (unless (car (symbol-value refs))
4319 ;; These threads do not refer back to any other
4320 ;; articles, so they're roots.
4321 (setq threads (append (cdr (symbol-value refs)) threads))))
4322 gnus-newsgroup-dependencies)))
4325 ;; Build the thread tree.
4326 (defsubst gnus-dependencies-add-header (header dependencies force-new)
4327 "Enter HEADER into the DEPENDENCIES table if it is not already there.
4329 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
4330 if it was already present.
4332 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
4333 will not be entered in the DEPENDENCIES table. Otherwise duplicate
4334 Message-IDs will be renamed to a unique Message-ID before being
4337 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
4338 (let* ((id (mail-header-id header))
4339 (id-dep (and id (intern id dependencies)))
4340 parent-id ref ref-dep ref-header replaced)
4341 ;; Enter this `header' in the `dependencies' table.
4345 ;; The first two cases do the normal part: enter a new `header'
4346 ;; in the `dependencies' table.
4347 ((not (boundp id-dep))
4348 (set id-dep (list header)))
4349 ((null (car (symbol-value id-dep)))
4350 (setcar (symbol-value id-dep) header))
4352 ;; From here the `header' was already present in the
4353 ;; `dependencies' table.
4355 ;; Overrides an existing entry;
4356 ;; just set the header part of the entry.
4357 (setcar (symbol-value id-dep) header)
4360 ;; Renames the existing `header' to a unique Message-ID.
4361 ((not gnus-summary-ignore-duplicates)
4362 ;; An article with this Message-ID has already been seen.
4363 ;; We rename the Message-ID.
4364 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
4366 (mail-header-set-id header id))
4368 ;; The last case ignores an existing entry, except it adds any
4369 ;; additional Xrefs (in case the two articles came from different
4371 ;; Also sets `header' to `nil' meaning that the `dependencies'
4372 ;; table was *not* modified.
4374 (mail-header-set-xref
4375 (car (symbol-value id-dep))
4376 (concat (or (mail-header-xref (car (symbol-value id-dep)))
4378 (or (mail-header-xref header) "")))
4381 (when (and header (not replaced))
4382 ;; First check that we are not creating a References loop.
4383 (setq parent-id (gnus-parent-id (mail-header-references header)))
4384 (setq ref parent-id)
4386 (setq ref-dep (intern-soft ref dependencies))
4388 (setq ref-header (car (symbol-value ref-dep))))
4389 (if (string= id ref)
4390 ;; Yuk! This is a reference loop. Make the article be a
4393 (mail-header-set-references (car (symbol-value id-dep)) "none")
4395 (setq parent-id nil))
4396 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
4397 (setq ref-dep (intern (or parent-id "none") dependencies))
4398 (if (boundp ref-dep)
4399 (setcdr (symbol-value ref-dep)
4400 (nconc (cdr (symbol-value ref-dep))
4401 (list (symbol-value id-dep))))
4402 (set ref-dep (list nil (symbol-value id-dep)))))
4405 (defun gnus-extract-message-id-from-in-reply-to (string)
4406 (if (string-match "<[^>]+>" string)
4407 (substring string (match-beginning 0) (match-end 0))
4410 (defun gnus-build-sparse-threads ()
4411 (let ((headers gnus-newsgroup-headers)
4412 (mail-parse-charset gnus-newsgroup-charset)
4413 (gnus-summary-ignore-duplicates t)
4414 header references generation relations
4415 subject child end new-child date)
4416 ;; First we create an alist of generations/relations, where
4417 ;; generations is how much we trust the relation, and the relation
4419 (gnus-message 7 "Making sparse threads...")
4421 (nnheader-set-temp-buffer " *gnus sparse threads*")
4422 (while (setq header (pop headers))
4423 (when (and (setq references (mail-header-references header))
4424 (not (string= references "")))
4426 (setq child (mail-header-id header)
4427 subject (mail-header-subject header)
4428 date (mail-header-date header)
4430 (while (search-backward ">" nil t)
4431 (setq end (1+ (point)))
4432 (when (search-backward "<" nil t)
4433 (setq new-child (buffer-substring (point) end))
4434 (push (list (incf generation)
4435 child (setq child new-child)
4439 (push (list (1+ generation) child nil subject) relations))
4441 (kill-buffer (current-buffer)))
4442 ;; Sort over trustworthiness.
4443 (dolist (relation (sort relations 'car-less-than-car))
4444 (when (gnus-dependencies-add-header
4445 (make-full-mail-header
4446 gnus-reffed-article-number
4447 (nth 3 relation) "" (or (nth 4 relation) "")
4449 (or (nth 2 relation) "") 0 0 "")
4450 gnus-newsgroup-dependencies nil)
4451 (push gnus-reffed-article-number gnus-newsgroup-limit)
4452 (push gnus-reffed-article-number gnus-newsgroup-sparse)
4453 (push (cons gnus-reffed-article-number gnus-sparse-mark)
4454 gnus-newsgroup-reads)
4455 (decf gnus-reffed-article-number)))
4456 (gnus-message 7 "Making sparse threads...done")))
4458 (defun gnus-build-old-threads ()
4459 ;; Look at all the articles that refer back to old articles, and
4460 ;; fetch the headers for the articles that aren't there. This will
4461 ;; build complete threads - if the roots haven't been expired by the
4463 (let ((mail-parse-charset gnus-newsgroup-charset)
4467 (when (not (car (symbol-value refs)))
4468 (setq heads (cdr (symbol-value refs)))
4470 (if (memq (mail-header-number (caar heads))
4471 gnus-newsgroup-dormant)
4472 (setq heads (cdr heads))
4473 (setq id (symbol-name refs))
4474 (while (and (setq id (gnus-build-get-header id))
4475 (not (car (gnus-id-to-thread id)))))
4476 (setq heads nil)))))
4477 gnus-newsgroup-dependencies)))
4479 (defsubst gnus-remove-odd-characters (string)
4480 "Translate STRING into something that doesn't contain weird characters."
4481 (mm-subst-char-in-string
4483 (mm-subst-char-in-string ?\n ?\- string t) t))
4485 ;; This function has to be called with point after the article number
4486 ;; on the beginning of the line.
4487 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
4488 (let ((eol (point-at-eol))
4489 (buffer (current-buffer))
4490 header references in-reply-to)
4492 ;; overview: [num subject from date id refs chars lines misc]
4495 (narrow-to-region (point) eol)
4500 (make-full-mail-header
4502 (condition-case () ; subject
4503 (gnus-remove-odd-characters
4504 (funcall gnus-decode-encoded-word-function
4505 (setq x (nnheader-nov-field))))
4507 (condition-case () ; from
4508 (gnus-remove-odd-characters
4509 (funcall gnus-decode-encoded-address-function
4510 (setq x (nnheader-nov-field))))
4512 (nnheader-nov-field) ; date
4513 (nnheader-nov-read-message-id number) ; id
4514 (setq references (nnheader-nov-field)) ; refs
4515 (nnheader-nov-read-integer) ; chars
4516 (nnheader-nov-read-integer) ; lines
4518 (if (looking-at "Xref: ")
4519 (goto-char (match-end 0)))
4520 (nnheader-nov-field)) ; Xref
4521 (nnheader-nov-parse-extra)))) ; extra
4525 (when (and (string= references "")
4526 (setq in-reply-to (mail-header-extra header))
4527 (setq in-reply-to (cdr (assq 'In-Reply-To in-reply-to))))
4528 (mail-header-set-references
4529 header (gnus-extract-message-id-from-in-reply-to in-reply-to)))
4531 (when gnus-alter-header-function
4532 (funcall gnus-alter-header-function header))
4533 (gnus-dependencies-add-header header dependencies force-new)))
4535 (defun gnus-build-get-header (id)
4536 "Look through the buffer of NOV lines and find the header to ID.
4537 Enter this line into the dependencies hash table, and return
4538 the id of the parent article (if any)."
4539 (let ((deps gnus-newsgroup-dependencies)
4542 (with-current-buffer nntp-server-buffer
4543 (let ((case-fold-search nil))
4544 (goto-char (point-min))
4545 (while (and (not found)
4546 (search-forward id nil t))
4548 (setq found (looking-at
4549 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
4550 (regexp-quote id))))
4551 (or found (beginning-of-line 2)))
4555 (setq header (gnus-nov-parse-line
4556 (read (current-buffer)) deps))
4557 (gnus-parent-id (mail-header-references header))))))
4559 (let ((number (mail-header-number header)))
4560 (push number gnus-newsgroup-limit)
4561 (push header gnus-newsgroup-headers)
4562 (if (memq number gnus-newsgroup-unselected)
4564 (setq gnus-newsgroup-unreads
4565 (gnus-add-to-sorted-list gnus-newsgroup-unreads
4567 (setq gnus-newsgroup-unselected
4568 (delq number gnus-newsgroup-unselected)))
4569 (push number gnus-newsgroup-ancient)))))))
4571 (defun gnus-build-all-threads ()
4572 "Read all the headers."
4573 (let ((gnus-summary-ignore-duplicates t)
4574 (mail-parse-charset gnus-newsgroup-charset)
4575 (dependencies gnus-newsgroup-dependencies)
4577 (with-current-buffer nntp-server-buffer
4578 (let ((case-fold-search nil))
4579 (goto-char (point-min))
4582 (setq article (read (current-buffer))
4583 header (gnus-nov-parse-line article dependencies t)))
4585 (with-current-buffer gnus-summary-buffer
4586 (push header gnus-newsgroup-headers)
4587 (if (memq (setq article (mail-header-number header))
4588 gnus-newsgroup-unselected)
4590 (setq gnus-newsgroup-unreads
4591 (gnus-add-to-sorted-list
4592 gnus-newsgroup-unreads article))
4593 (setq gnus-newsgroup-unselected
4594 (delq article gnus-newsgroup-unselected)))
4595 (push article gnus-newsgroup-ancient)))
4596 (forward-line 1)))))))
4598 (defun gnus-summary-update-article-line (article header)
4599 "Update the line for ARTICLE using HEADER."
4600 (let* ((id (mail-header-id header))
4601 (thread (gnus-id-to-thread id)))
4603 (error "Article in no thread"))
4604 ;; Update the thread.
4605 (setcar thread header)
4606 (gnus-summary-goto-subject article)
4607 (let* ((datal (gnus-data-find-list article))
4609 (inhibit-read-only t)
4610 (level (gnus-summary-thread-level)))
4612 (let ((inserted (- (point)
4614 (gnus-summary-insert-line
4616 (memq article gnus-newsgroup-undownloaded)
4617 (gnus-article-mark article)
4618 (memq article gnus-newsgroup-replied)
4619 (memq article gnus-newsgroup-expirable)
4620 ;; Only insert the Subject string when it's different
4621 ;; from the previous Subject string.
4626 (mail-header-subject
4629 (gnus-data-find-list
4631 (gnus-data-list t)))))
4632 ;; Error on the side of excessive subjects.
4634 (mail-header-subject header)))
4636 (mail-header-subject header))
4637 nil (cdr (assq article gnus-newsgroup-scored))
4638 (memq article gnus-newsgroup-processable))
4641 (gnus-data-update-list
4643 (- (gnus-data-pos data) (gnus-data-pos (cadr datal)) inserted)))))))
4645 (defun gnus-summary-update-article (article &optional iheader)
4646 "Update ARTICLE in the summary buffer."
4647 (set-buffer gnus-summary-buffer)
4648 (let* ((header (gnus-summary-article-header article))
4649 (id (mail-header-id header))
4650 (data (gnus-data-find article))
4651 (thread (gnus-id-to-thread id))
4652 (references (mail-header-references header))
4656 (when (and references
4657 (not (equal "" references)))
4660 (inhibit-read-only t)
4666 (delq thread parent)))
4667 (if (gnus-summary-insert-subject id header)
4668 ;; Set the (possibly) new article number in the data structure.
4669 (gnus-data-set-number data (gnus-id-to-article id))
4673 (defun gnus-rebuild-thread (id &optional line)
4674 "Rebuild the thread containing ID.
4675 If LINE, insert the rebuilt thread starting on line LINE."
4676 (let ((inhibit-read-only t)
4677 old-pos current thread data)
4678 (if (not gnus-show-threads)
4679 (setq thread (list (car (gnus-id-to-thread id))))
4680 ;; Get the thread this article is part of.
4681 (setq thread (gnus-remove-thread id)))
4682 (setq old-pos (point-at-bol))
4683 (setq current (save-excursion
4684 (and (re-search-backward "[\r\n]" nil t)
4685 (gnus-summary-article-number))))
4686 ;; If this is a gathered thread, we have to go some re-gathering.
4687 (when (stringp (car thread))
4688 (let ((subject (car thread))
4690 (setq thread (cdr thread))
4692 (unless (memq (setq thr (gnus-id-to-thread
4694 (mail-header-id (caar thread)))))
4697 (setq thread (cdr thread)))
4698 ;; We now have all (unique) roots.
4699 (if (= (length roots) 1)
4700 ;; All the loose roots are now one solid root.
4701 (setq thread (car roots))
4702 (setq thread (cons subject (gnus-sort-threads roots))))))
4704 ;; We then insert this thread into the summary buffer.
4706 (goto-char (point-min))
4707 (forward-line (1- line)))
4708 (let (gnus-newsgroup-data gnus-newsgroup-threads)
4709 (if gnus-show-threads
4710 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
4711 (gnus-summary-prepare-unthreaded thread))
4712 (setq data (nreverse gnus-newsgroup-data))
4713 (setq threads gnus-newsgroup-threads))
4714 ;; We splice the new data into the data structure.
4715 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
4716 ;;!!! then we want to insert at the beginning of the buffer.
4717 ;;!!! That happens to be true with Gnus now, but that may
4718 ;;!!! change in the future. Perhaps.
4719 (gnus-data-enter-list
4720 (if line nil current) data (- (point) old-pos))
4721 (setq gnus-newsgroup-threads
4722 (nconc threads gnus-newsgroup-threads))
4723 (gnus-data-compute-positions))))
4725 (defun gnus-number-to-header (number)
4726 "Return the header for article NUMBER."
4727 (let ((headers gnus-newsgroup-headers))
4729 (not (= number (mail-header-number (car headers)))))
4734 (defun gnus-parent-headers (in-headers &optional generation)
4735 "Return the headers of the GENERATIONeth parent of HEADERS."
4737 (setq generation 1))
4739 (headers in-headers)
4742 (not (zerop generation))
4743 (setq references (mail-header-references headers)))
4744 (setq headers (if (and references
4745 (setq parent (gnus-parent-id references)))
4746 (car (gnus-id-to-thread parent))
4749 (and (not (eq headers in-headers))
4752 (defun gnus-id-to-thread (id)
4753 "Return the (sub-)thread where ID appears."
4754 (gnus-gethash id gnus-newsgroup-dependencies))
4756 (defun gnus-id-to-article (id)
4757 "Return the article number of ID."
4758 (let ((thread (gnus-id-to-thread id)))
4761 (mail-header-number (car thread)))))
4763 (defun gnus-id-to-header (id)
4764 "Return the article headers of ID."
4765 (car (gnus-id-to-thread id)))
4767 (defun gnus-article-displayed-root-p (article)
4768 "Say whether ARTICLE is a root(ish) article."
4769 (let ((level (gnus-summary-thread-level article))
4770 (refs (mail-header-references (gnus-summary-article-header article)))
4776 ((null (gnus-parent-id refs)) t)
4778 (null (setq particle (gnus-id-to-article
4779 (gnus-parent-id refs))))
4780 (null (gnus-summary-thread-level particle)))))))
4782 (defun gnus-root-id (id)
4783 "Return the id of the root of the thread where ID appears."
4785 (while (and id (setq prev (car (gnus-id-to-thread id))))
4787 id (gnus-parent-id (mail-header-references prev))))
4790 (defun gnus-articles-in-thread (thread)
4791 "Return the list of articles in THREAD."
4792 (cons (mail-header-number (car thread))
4793 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
4795 (defun gnus-remove-thread (id &optional dont-remove)
4796 "Remove the thread that has ID in it."
4797 (let (headers thread last-id)
4798 ;; First go up in this thread until we find the root.
4799 (setq last-id (gnus-root-id id)
4800 headers (message-flatten-list (gnus-id-to-thread last-id)))
4801 ;; We have now found the real root of this thread. It might have
4802 ;; been gathered into some loose thread, so we have to search
4803 ;; through the threads to find the thread we wanted.
4804 (let ((threads gnus-newsgroup-threads)
4807 (setq sub (car threads))
4808 (if (stringp (car sub))
4809 ;; This is a gathered thread, so we look at the roots
4810 ;; below it to find whether this article is in this
4813 (setq sub (cdr sub))
4815 (when (member (caar sub) headers)
4816 (setq thread (car threads)
4819 (setq sub (cdr sub))))
4820 ;; It's an ordinary thread, so we check it.
4821 (when (eq (car sub) (car headers))
4824 (setq threads (cdr threads)))
4825 ;; If this article is in no thread, then it's a root.
4828 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
4829 (setq thread (gnus-id-to-thread last-id)))
4832 thread ; We return this thread.
4834 (if (stringp (car thread))
4836 ;; If we use dummy roots, then we have to remove the
4837 ;; dummy root as well.
4838 (when (eq gnus-summary-make-false-root 'dummy)
4839 ;; We go to the dummy root by going to
4840 ;; the first sub-"thread", and then one line up.
4841 (gnus-summary-goto-article
4842 (mail-header-number (caadr thread)))
4845 (gnus-data-compute-positions))
4846 (setq thread (cdr thread))
4848 (gnus-remove-thread-1 (car thread))
4849 (setq thread (cdr thread))))
4850 (gnus-remove-thread-1 thread))))))))
4852 (defun gnus-remove-thread-1 (thread)
4853 "Remove the thread THREAD recursively."
4854 (let ((number (mail-header-number (pop thread)))
4856 (setq thread (reverse thread))
4858 (gnus-remove-thread-1 (pop thread)))
4859 (when (setq d (gnus-data-find number))
4860 (goto-char (gnus-data-pos d))
4861 (gnus-summary-show-thread)
4867 (gnus-delete-line)))))))
4869 (defun gnus-sort-threads-recursive (threads func)
4870 (sort (mapcar (lambda (thread)
4873 (gnus-sort-threads-recursive (cdr thread) func))))
4876 (defun gnus-sort-threads-loop (threads func)
4877 (let* ((superthread (cons nil threads))
4878 (stack (list (cons superthread threads)))
4879 remaining-threads thread)
4881 (setq remaining-threads (cdr (car stack)))
4882 (if remaining-threads
4883 (progn (setq thread (car remaining-threads))
4884 (setcdr (car stack) (cdr remaining-threads))
4886 (push (cons thread (cdr thread)) stack)))
4887 (setq thread (caar stack))
4888 (setcdr thread (sort (cdr thread) func))
4892 (defun gnus-sort-threads (threads)
4894 (if (not gnus-thread-sort-functions)
4896 (gnus-message 8 "Sorting threads...")
4899 (let ((max-lisp-eval-depth (max max-lisp-eval-depth 5000)))
4900 (gnus-sort-threads-recursive
4901 threads (gnus-make-sort-function gnus-thread-sort-functions)))
4902 ;; Even after binding max-lisp-eval-depth, the recursive
4903 ;; sorter might fail for very long threads. In that case,
4904 ;; try using a (less well-tested) non-recursive sorter.
4905 (error (gnus-message 9 "Sorting threads with loop...")
4906 (gnus-sort-threads-loop
4907 threads (gnus-make-sort-function
4908 gnus-thread-sort-functions))))
4909 (gnus-message 8 "Sorting threads...done"))))
4911 (defun gnus-sort-articles (articles)
4913 (when gnus-article-sort-functions
4914 (gnus-message 7 "Sorting articles...")
4916 (setq gnus-newsgroup-headers
4917 (sort articles (gnus-make-sort-function
4918 gnus-article-sort-functions)))
4919 (gnus-message 7 "Sorting articles...done"))))
4921 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
4922 (defmacro gnus-thread-header (thread)
4923 "Return header of first article in THREAD.
4924 Note that THREAD must never, ever be anything else than a variable -
4925 using some other form will lead to serious barfage."
4926 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
4927 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
4928 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
4931 (defsubst gnus-article-sort-by-number (h1 h2)
4932 "Sort articles by article number."
4933 (< (mail-header-number h1)
4934 (mail-header-number h2)))
4936 (defun gnus-thread-sort-by-number (h1 h2)
4937 "Sort threads by root article number."
4938 (gnus-article-sort-by-number
4939 (gnus-thread-header h1) (gnus-thread-header h2)))
4941 (defsubst gnus-article-sort-by-random (h1 h2)
4942 "Sort articles randomly."
4945 (defun gnus-thread-sort-by-random (h1 h2)
4946 "Sort threads randomly."
4947 (gnus-article-sort-by-random
4948 (gnus-thread-header h1) (gnus-thread-header h2)))
4950 (defsubst gnus-article-sort-by-lines (h1 h2)
4951 "Sort articles by article Lines header."
4952 (< (mail-header-lines h1)
4953 (mail-header-lines h2)))
4955 (defun gnus-thread-sort-by-lines (h1 h2)
4956 "Sort threads by root article Lines header."
4957 (gnus-article-sort-by-lines
4958 (gnus-thread-header h1) (gnus-thread-header h2)))
4960 (defsubst gnus-article-sort-by-chars (h1 h2)
4961 "Sort articles by octet length."
4962 (< (mail-header-chars h1)
4963 (mail-header-chars h2)))
4965 (defun gnus-thread-sort-by-chars (h1 h2)
4966 "Sort threads by root article octet length."
4967 (gnus-article-sort-by-chars
4968 (gnus-thread-header h1) (gnus-thread-header h2)))
4970 (defsubst gnus-article-sort-by-author (h1 h2)
4971 "Sort articles by root author."
4973 (let ((extract (funcall
4974 gnus-extract-address-components
4975 (mail-header-from h1))))
4976 (or (car extract) (cadr extract) ""))
4977 (let ((extract (funcall
4978 gnus-extract-address-components
4979 (mail-header-from h2))))
4980 (or (car extract) (cadr extract) ""))))
4982 (defun gnus-thread-sort-by-author (h1 h2)
4983 "Sort threads by root author."
4984 (gnus-article-sort-by-author
4985 (gnus-thread-header h1) (gnus-thread-header h2)))
4987 (defsubst gnus-article-sort-by-recipient (h1 h2)
4988 "Sort articles by recipient."
4990 (let ((extract (funcall
4991 gnus-extract-address-components
4992 (or (cdr (assq 'To (mail-header-extra h1))) ""))))
4993 (or (car extract) (cadr extract)))
4994 (let ((extract (funcall
4995 gnus-extract-address-components
4996 (or (cdr (assq 'To (mail-header-extra h2))) ""))))
4997 (or (car extract) (cadr extract)))))
4999 (defun gnus-thread-sort-by-recipient (h1 h2)
5000 "Sort threads by root recipient."
5001 (gnus-article-sort-by-recipient
5002 (gnus-thread-header h1) (gnus-thread-header h2)))
5004 (defsubst gnus-article-sort-by-subject (h1 h2)
5005 "Sort articles by root subject."
5007 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
5008 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
5010 (defun gnus-thread-sort-by-subject (h1 h2)
5011 "Sort threads by root subject."
5012 (gnus-article-sort-by-subject
5013 (gnus-thread-header h1) (gnus-thread-header h2)))
5015 (defsubst gnus-article-sort-by-date (h1 h2)
5016 "Sort articles by root article date."
5018 (gnus-date-get-time (mail-header-date h1))
5019 (gnus-date-get-time (mail-header-date h2))))
5021 (defun gnus-thread-sort-by-date (h1 h2)
5022 "Sort threads by root article date."
5023 (gnus-article-sort-by-date
5024 (gnus-thread-header h1) (gnus-thread-header h2)))
5026 (defsubst gnus-article-sort-by-score (h1 h2)
5027 "Sort articles by root article score.
5028 Unscored articles will be counted as having a score of zero."
5029 (> (or (cdr (assq (mail-header-number h1)
5030 gnus-newsgroup-scored))
5031 gnus-summary-default-score 0)
5032 (or (cdr (assq (mail-header-number h2)
5033 gnus-newsgroup-scored))
5034 gnus-summary-default-score 0)))
5036 (defun gnus-thread-sort-by-score (h1 h2)
5037 "Sort threads by root article score."
5038 (gnus-article-sort-by-score
5039 (gnus-thread-header h1) (gnus-thread-header h2)))
5041 (defun gnus-thread-sort-by-total-score (h1 h2)
5042 "Sort threads by the sum of all scores in the thread.
5043 Unscored articles will be counted as having a score of zero."
5044 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
5046 (defun gnus-thread-total-score (thread)
5047 ;; This function find the total score of THREAD.
5052 (if (stringp (car thread))
5053 (apply gnus-thread-score-function 0
5054 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
5055 (gnus-thread-total-score-1 thread)))
5057 (gnus-thread-total-score-1 (list thread)))))
5059 (defun gnus-article-sort-by-most-recent-number (h1 h2)
5060 "Sort articles by number."
5061 (gnus-article-sort-by-number h1 h2))
5063 (defun gnus-thread-sort-by-most-recent-number (h1 h2)
5064 "Sort threads such that the thread with the most recently arrived article comes first."
5065 (> (gnus-thread-highest-number h1) (gnus-thread-highest-number h2)))
5067 (defun gnus-thread-highest-number (thread)
5068 "Return the highest article number in THREAD."
5069 (apply 'max (mapcar (lambda (header)
5070 (mail-header-number header))
5071 (message-flatten-list thread))))
5073 (defun gnus-article-sort-by-most-recent-date (h1 h2)
5074 "Sort articles by number."
5075 (gnus-article-sort-by-date h1 h2))
5077 (defun gnus-thread-sort-by-most-recent-date (h1 h2)
5078 "Sort threads such that the thread with the most recently dated article comes first."
5079 (> (gnus-thread-latest-date h1) (gnus-thread-latest-date h2)))
5081 ; Since this is called not only to sort the top-level threads, but
5082 ; also in recursive sorts to order the articles within a thread, each
5083 ; article will be processed many times. Thus it speeds things up
5084 ; quite a bit to use gnus-date-get-time, which caches the time value.
5085 (defun gnus-thread-latest-date (thread)
5086 "Return the highest article date in THREAD."
5088 (mapcar (lambda (header) (gnus-float-time
5090 (mail-header-date header))))
5091 (message-flatten-list thread))))
5093 (defun gnus-thread-total-score-1 (root)
5094 ;; This function find the total score of the thread below ROOT.
5095 (setq root (car root))
5096 (apply gnus-thread-score-function
5098 (mapcar 'gnus-thread-total-score
5099 (cdr (gnus-id-to-thread (mail-header-id root))))
5100 (when (> (mail-header-number root) 0)
5101 (list (or (cdr (assq (mail-header-number root)
5102 gnus-newsgroup-scored))
5103 gnus-summary-default-score 0))))
5104 (list gnus-summary-default-score)
5107 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
5108 (defvar gnus-tmp-prev-subject nil)
5109 (defvar gnus-tmp-false-parent nil)
5110 (defvar gnus-tmp-root-expunged nil)
5111 (defvar gnus-tmp-dummy-line nil)
5113 (defun gnus-extra-header (type &optional header)
5114 "Return the extra header of TYPE."
5115 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
5118 (defvar gnus-tmp-thread-tree-header-string "")
5120 (defcustom gnus-sum-thread-tree-root "> "
5121 "With %B spec, used for the root of a thread.
5122 If nil, use subject instead."
5124 :type '(radio (const :format "%v " nil) string)
5125 :group 'gnus-thread)
5127 (defcustom gnus-sum-thread-tree-false-root "> "
5128 "With %B spec, used for a false root of a thread.
5129 If nil, use subject instead."
5131 :type '(radio (const :format "%v " nil) string)
5132 :group 'gnus-thread)
5134 (defcustom gnus-sum-thread-tree-single-indent ""
5135 "With %B spec, used for a thread with just one message.
5136 If nil, use subject instead."
5138 :type '(radio (const :format "%v " nil) string)
5139 :group 'gnus-thread)
5141 (defcustom gnus-sum-thread-tree-vertical "| "
5142 "With %B spec, used for drawing a vertical line."
5145 :group 'gnus-thread)
5147 (defcustom gnus-sum-thread-tree-indent " "
5148 "With %B spec, used for indenting."
5151 :group 'gnus-thread)
5153 (defcustom gnus-sum-thread-tree-leaf-with-other "+-> "
5154 "With %B spec, used for a leaf with brothers."
5157 :group 'gnus-thread)
5159 (defcustom gnus-sum-thread-tree-single-leaf "\\-> "
5160 "With %B spec, used for a leaf without brothers."
5163 :group 'gnus-thread)
5165 (defcustom gnus-summary-display-while-building nil
5166 "If non-nil, show and update the summary buffer as it's being built.
5167 If the value is t, update the buffer after every line is inserted. If
5168 the value is an integer (N), update the display every N lines."
5171 :type '(choice (const :tag "off" nil)
5173 (const :tag "frequently" t)))
5175 (defun gnus-summary-prepare-threads (threads)
5176 "Prepare summary buffer from THREADS and indentation LEVEL.
5177 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
5178 or a straight list of headers."
5179 (gnus-message 7 "Generating summary...")
5181 (setq gnus-newsgroup-threads threads)
5184 (let ((gnus-tmp-level 0)
5185 (default-score (or gnus-summary-default-score 0))
5186 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
5187 (building-line-count gnus-summary-display-while-building)
5188 (building-count (integerp gnus-summary-display-while-building))
5189 thread number subject stack state gnus-tmp-gathered beg-match
5190 new-roots gnus-tmp-new-adopts thread-end simp-subject
5191 gnus-tmp-header gnus-tmp-unread gnus-tmp-downloaded
5192 gnus-tmp-replied gnus-tmp-subject-or-nil
5193 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
5194 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
5195 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket
5198 (setq gnus-tmp-prev-subject nil
5199 gnus-tmp-thread-tree-header-string "")
5201 (if (vectorp (car threads))
5202 ;; If this is a straight (sic) list of headers, then a
5203 ;; threaded summary display isn't required, so we just create
5204 ;; an unthreaded one.
5205 (gnus-summary-prepare-unthreaded threads)
5207 ;; Do the threaded display.
5209 (if gnus-summary-display-while-building
5210 (switch-to-buffer (buffer-name)))
5211 (while (or threads stack gnus-tmp-new-adopts new-roots)
5213 (if (and (= gnus-tmp-level 0)
5216 (not gnus-tmp-false-parent)
5217 (or gnus-tmp-new-adopts new-roots))
5218 (if gnus-tmp-new-adopts
5219 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
5220 thread (list (car gnus-tmp-new-adopts))
5221 gnus-tmp-header (caar thread)
5222 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
5224 (setq thread (list (car new-roots))
5225 gnus-tmp-header (caar thread)
5226 new-roots (cdr new-roots))))
5229 ;; If there are some threads, we do them before the
5230 ;; threads on the stack.
5231 (setq thread threads
5232 gnus-tmp-header (caar thread))
5233 ;; There were no current threads, so we pop something off
5235 (setq state (car stack)
5236 gnus-tmp-level (car state)
5237 tree-stack (cadr state)
5238 thread (caddr state)
5240 gnus-tmp-header (caar thread))))
5242 (setq gnus-tmp-false-parent nil)
5243 (setq gnus-tmp-root-expunged nil)
5244 (setq thread-end nil)
5246 (if (stringp gnus-tmp-header)
5247 ;; The header is a dummy root.
5249 ((eq gnus-summary-make-false-root 'adopt)
5250 ;; We let the first article adopt the rest.
5251 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
5253 (setq gnus-tmp-gathered
5255 (lambda (h) (mail-header-number (car h)))
5258 (setq thread (cons (list (caar thread)
5261 (setq gnus-tmp-level -1
5262 gnus-tmp-false-parent t))
5263 ((eq gnus-summary-make-false-root 'empty)
5264 ;; We print adopted articles with empty subject fields.
5265 (setq gnus-tmp-gathered
5267 (lambda (h) (mail-header-number (car h)))
5270 (setq gnus-tmp-level -1))
5271 ((eq gnus-summary-make-false-root 'dummy)
5272 ;; We remember that we probably want to output a dummy
5274 (setq gnus-tmp-dummy-line gnus-tmp-header)
5275 (setq gnus-tmp-prev-subject gnus-tmp-header))
5277 ;; We do not make a root for the gathered
5278 ;; sub-threads at all.
5279 (setq gnus-tmp-level -1)))
5281 (setq number (mail-header-number gnus-tmp-header)
5282 subject (mail-header-subject gnus-tmp-header)
5283 simp-subject (gnus-simplify-subject-fully subject))
5286 ;; If the thread has changed subject, we might want to make
5287 ;; this subthread into a root.
5288 ((and (null gnus-thread-ignore-subject)
5289 (not (zerop gnus-tmp-level))
5290 gnus-tmp-prev-subject
5291 (not (string= gnus-tmp-prev-subject simp-subject)))
5292 (setq new-roots (nconc new-roots (list (car thread)))
5294 gnus-tmp-header nil))
5295 ;; If the article lies outside the current limit,
5296 ;; then we do not display it.
5297 ((not (memq number gnus-newsgroup-limit))
5298 (setq gnus-tmp-gathered
5300 (lambda (h) (mail-header-number (car h)))
5303 (setq gnus-tmp-new-adopts (if (cdar thread)
5304 (append gnus-tmp-new-adopts
5306 gnus-tmp-new-adopts)
5308 gnus-tmp-header nil)
5309 (when (zerop gnus-tmp-level)
5310 (setq gnus-tmp-root-expunged t)))
5311 ;; Perhaps this article is to be marked as read?
5312 ((and gnus-summary-mark-below
5313 (< (or (cdr (assq number gnus-newsgroup-scored))
5315 gnus-summary-mark-below)
5316 ;; Don't touch sparse articles.
5317 (not (gnus-summary-article-sparse-p number))
5318 (not (gnus-summary-article-ancient-p number)))
5319 (setq gnus-newsgroup-unreads
5320 (delq number gnus-newsgroup-unreads))
5321 (if gnus-newsgroup-auto-expire
5322 (setq gnus-newsgroup-expirable
5323 (gnus-add-to-sorted-list
5324 gnus-newsgroup-expirable number))
5325 (push (cons number gnus-low-score-mark)
5326 gnus-newsgroup-reads))))
5328 (when gnus-tmp-header
5329 ;; We may have an old dummy line to output before this
5331 (when (and gnus-tmp-dummy-line
5334 (mail-header-subject gnus-tmp-header)))
5335 (gnus-summary-insert-dummy-line
5336 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
5337 (setq gnus-tmp-dummy-line nil))
5339 ;; Compute the mark.
5340 (setq gnus-tmp-unread (gnus-article-mark number))
5342 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
5343 gnus-tmp-header gnus-tmp-level)
5344 gnus-newsgroup-data)
5346 ;; Actually insert the line.
5348 gnus-tmp-subject-or-nil
5350 ((and gnus-thread-ignore-subject
5351 gnus-tmp-prev-subject
5352 (not (string= gnus-tmp-prev-subject simp-subject)))
5354 ((zerop gnus-tmp-level)
5355 (if (and (eq gnus-summary-make-false-root 'empty)
5356 (memq number gnus-tmp-gathered)
5357 gnus-tmp-prev-subject
5358 (string= gnus-tmp-prev-subject simp-subject))
5359 gnus-summary-same-subject
5361 (t gnus-summary-same-subject)))
5362 (if (and (eq gnus-summary-make-false-root 'adopt)
5363 (= gnus-tmp-level 1)
5364 (memq number gnus-tmp-gathered))
5365 (setq gnus-tmp-opening-bracket ?\<
5366 gnus-tmp-closing-bracket ?\>)
5367 (setq gnus-tmp-opening-bracket ?\[
5368 gnus-tmp-closing-bracket ?\]))
5369 (if (>= gnus-tmp-level (length gnus-thread-indent-array))
5370 (gnus-make-thread-indent-array
5371 (max (* 2 (length gnus-thread-indent-array))
5374 gnus-tmp-indentation
5375 (aref gnus-thread-indent-array gnus-tmp-level)
5376 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
5377 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
5378 gnus-summary-default-score 0)
5380 (if (or (null gnus-summary-default-score)
5381 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
5382 gnus-summary-zcore-fuzz))
5384 (if (< gnus-tmp-score gnus-summary-default-score)
5385 gnus-score-below-mark gnus-score-over-mark))
5387 (cond ((memq number gnus-newsgroup-processable)
5389 ((memq number gnus-newsgroup-cached)
5391 ((memq number gnus-newsgroup-replied)
5393 ((memq number gnus-newsgroup-forwarded)
5394 gnus-forwarded-mark)
5395 ((memq number gnus-newsgroup-saved)
5397 ((memq number gnus-newsgroup-recent)
5399 ((memq number gnus-newsgroup-unseen)
5403 (cond ((memq number gnus-newsgroup-undownloaded)
5404 gnus-undownloaded-mark)
5405 (gnus-newsgroup-agentized
5406 gnus-downloaded-mark)
5409 gnus-tmp-from (mail-header-from gnus-tmp-header)
5412 ((string-match "<[^>]+> *$" gnus-tmp-from)
5413 (setq beg-match (match-beginning 0))
5414 (or (and (string-match "^\".+\"" gnus-tmp-from)
5415 (substring gnus-tmp-from 1 (1- (match-end 0))))
5416 (substring gnus-tmp-from 0 beg-match)))
5417 ((string-match "(.+)" gnus-tmp-from)
5418 (substring gnus-tmp-from
5419 (1+ (match-beginning 0)) (1- (match-end 0))))
5423 gnus-tmp-thread-tree-header-string
5425 ((not gnus-show-threads) "")
5426 ((zerop gnus-tmp-level)
5427 (cond ((cdar thread)
5428 (or gnus-sum-thread-tree-root subject))
5429 (gnus-tmp-new-adopts
5430 (or gnus-sum-thread-tree-false-root subject))
5432 (or gnus-sum-thread-tree-single-indent subject))))
5434 (concat (apply 'concat
5435 (mapcar (lambda (item)
5437 gnus-sum-thread-tree-vertical
5438 gnus-sum-thread-tree-indent))
5439 (cdr (reverse tree-stack))))
5441 gnus-sum-thread-tree-leaf-with-other
5442 gnus-sum-thread-tree-single-leaf)))))
5443 (when (string= gnus-tmp-name "")
5444 (setq gnus-tmp-name gnus-tmp-from))
5445 (unless (numberp gnus-tmp-lines)
5446 (setq gnus-tmp-lines -1))
5447 (if (= gnus-tmp-lines -1)
5448 (setq gnus-tmp-lines "?")
5449 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
5450 (gnus-put-text-property
5452 (progn (eval gnus-summary-line-format-spec) (point))
5453 'gnus-number number)
5456 (gnus-summary-highlight-line)
5457 (when gnus-summary-update-hook
5458 (gnus-run-hooks 'gnus-summary-update-hook))
5461 (setq gnus-tmp-prev-subject simp-subject)))
5463 (when (nth 1 thread)
5464 (push (list (max 0 gnus-tmp-level)
5465 (copy-sequence tree-stack)
5468 (push (if (nth 1 thread) 1 0) tree-stack)
5469 (incf gnus-tmp-level)
5470 (setq threads (if thread-end nil (cdar thread)))
5471 (if gnus-summary-display-while-building
5474 ;; use a set frequency
5475 (setq building-line-count (1- building-line-count))
5476 (when (= building-line-count 0)
5478 (setq building-line-count
5479 gnus-summary-display-while-building)))
5483 (setq gnus-tmp-level 0)))))
5484 (gnus-message 7 "Generating summary...done"))
5486 (defun gnus-summary-prepare-unthreaded (headers)
5487 "Generate an unthreaded summary buffer based on HEADERS."
5488 (let (header number mark)
5493 ;; We may have to root out some bad articles...
5494 (when (memq (setq number (mail-header-number
5495 (setq header (pop headers))))
5496 gnus-newsgroup-limit)
5497 ;; Mark article as read when it has a low score.
5498 (when (and gnus-summary-mark-below
5499 (< (or (cdr (assq number gnus-newsgroup-scored))
5500 gnus-summary-default-score 0)
5501 gnus-summary-mark-below)
5502 (not (gnus-summary-article-ancient-p number)))
5503 (setq gnus-newsgroup-unreads
5504 (delq number gnus-newsgroup-unreads))
5505 (if gnus-newsgroup-auto-expire
5506 (push number gnus-newsgroup-expirable)
5507 (push (cons number gnus-low-score-mark)
5508 gnus-newsgroup-reads)))
5510 (setq mark (gnus-article-mark number))
5511 (push (gnus-data-make number mark (1+ (point)) header 0)
5512 gnus-newsgroup-data)
5513 (gnus-summary-insert-line
5515 (memq number gnus-newsgroup-undownloaded)
5516 mark (memq number gnus-newsgroup-replied)
5517 (memq number gnus-newsgroup-expirable)
5518 (mail-header-subject header) nil
5519 (cdr (assq number gnus-newsgroup-scored))
5520 (memq number gnus-newsgroup-processable))))))
5522 (defun gnus-group-get-list-identifiers (group)
5523 "Get list identifier regexp for GROUP."
5524 (or (gnus-parameter-list-identifier group)
5525 (if (consp gnus-list-identifiers)
5526 (mapconcat 'identity gnus-list-identifiers " *\\|")
5527 gnus-list-identifiers)))
5529 (defun gnus-summary-remove-list-identifiers ()
5530 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
5531 (let ((regexp (gnus-group-get-list-identifiers gnus-newsgroup-name))
5534 (setq regexp (concat "^\\(?:R[Ee]: +\\)*\\(" regexp " *\\)"))
5535 (dolist (header gnus-newsgroup-headers)
5536 (setq subject (mail-header-subject header)
5538 (while (string-match regexp subject)
5540 (concat (substring subject 0 (match-beginning 1))
5541 (substring subject (match-end 0)))
5544 (when (string-match "^\\(\\(?:R[Ee]: +\\)+\\)R[Ee]: +" subject)
5546 (concat (substring subject 0 (match-beginning 1))
5547 (substring subject (match-end 1)))))
5548 (mail-header-set-subject header subject))))))
5550 (defun gnus-fetch-headers (articles &optional limit force-new dependencies)
5551 "Fetch headers of ARTICLES."
5552 (let ((name (gnus-group-decoded-name gnus-newsgroup-name)))
5553 (gnus-message 5 "Fetching headers for %s..." name)
5556 (setq gnus-headers-retrieved-by
5557 (gnus-retrieve-headers
5558 articles gnus-newsgroup-name
5560 ;; We might want to fetch old headers, but
5561 ;; not if there is only 1 article.
5563 (not (eq gnus-fetch-old-headers 'some))
5564 (not (numberp gnus-fetch-old-headers)))
5565 (> (length articles) 1))
5566 gnus-fetch-old-headers)))))
5567 (gnus-get-newsgroup-headers-xover
5568 articles force-new dependencies gnus-newsgroup-name t)
5569 (gnus-get-newsgroup-headers dependencies force-new))
5570 (gnus-message 5 "Fetching headers for %s...done" name))))
5572 (defun gnus-select-newsgroup (group &optional read-all select-articles)
5573 "Select newsgroup GROUP.
5574 If READ-ALL is non-nil, all articles in the group are selected.
5575 If SELECT-ARTICLES, only select those articles from GROUP."
5576 (let* ((entry (gnus-group-entry group))
5577 ;;!!! Dirty hack; should be removed.
5578 (gnus-summary-ignore-duplicates
5579 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
5581 gnus-summary-ignore-duplicates))
5582 (info (nth 2 entry))
5583 charset articles fetched-articles cached)
5585 (unless (gnus-check-server
5586 (set (make-local-variable 'gnus-current-select-method)
5587 (gnus-find-method-for-group group)))
5588 (error "Couldn't open server"))
5589 (setq charset (gnus-group-name-charset gnus-current-select-method group))
5591 (or (and entry (not (eq (car entry) t))) ; Either it's active...
5592 (gnus-activate-group group) ; Or we can activate it...
5593 (progn ; Or we bug out.
5594 (when (equal major-mode 'gnus-summary-mode)
5595 (gnus-kill-buffer (current-buffer)))
5597 "Couldn't activate group %s: %s"
5598 (mm-decode-coding-string group charset)
5599 (mm-decode-coding-string (gnus-status-message group) charset))))
5601 (unless (gnus-request-group group t)
5602 (when (equal major-mode 'gnus-summary-mode)
5603 (gnus-kill-buffer (current-buffer)))
5604 (error "Couldn't request group %s: %s"
5605 (mm-decode-coding-string group charset)
5606 (mm-decode-coding-string (gnus-status-message group) charset)))
5608 (when (and gnus-agent
5609 (gnus-active group))
5610 (gnus-agent-possibly-alter-active group (gnus-active group) info)
5612 (setq gnus-summary-use-undownloaded-faces
5613 (gnus-agent-find-parameter
5615 'agent-enable-undownloaded-faces)))
5617 (setq gnus-newsgroup-name group
5618 gnus-newsgroup-unselected nil
5619 gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
5621 (let ((display (gnus-group-find-parameter group 'display)))
5622 (setq gnus-newsgroup-display
5624 ((not (zerop (or (car-safe read-all) 0)))
5625 ;; The user entered the group with C-u SPC/RET, let's show
5631 (gnus-summary-display-make-predicate (mapcar 'identity display)))
5633 ;; The following is probably the "correct" solution, but
5634 ;; it makes Gnus fetch all headers and then limit the
5635 ;; articles (which is slow), so instead we hack the
5636 ;; select-articles parameter instead. -- Simon Josefsson
5639 ;; (gnus-byte-compile
5640 ;; `(lambda () (> number ,(- (cdr (gnus-active group))
5642 (setq select-articles
5643 (gnus-uncompress-range
5644 (cons (let ((tmp (- (cdr (gnus-active group)) display)))
5648 (cdr (gnus-active group)))))
5653 (gnus-summary-setup-default-charset)
5655 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5656 (when (gnus-virtual-group-p group)
5657 (setq cached gnus-newsgroup-cached))
5659 (setq gnus-newsgroup-unreads
5660 (gnus-sorted-ndifference
5661 (gnus-sorted-ndifference gnus-newsgroup-unreads
5662 gnus-newsgroup-marked)
5663 gnus-newsgroup-dormant))
5665 (setq gnus-newsgroup-processable nil)
5667 (gnus-update-read-articles group gnus-newsgroup-unreads t)
5669 ;; Adjust and set lists of article marks.
5671 (gnus-adjust-marked-articles info))
5672 (if (setq articles select-articles)
5673 (setq gnus-newsgroup-unselected
5674 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5675 (setq articles (gnus-articles-to-read group read-all)))
5679 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
5681 ((eq articles 0) nil)
5683 ;; Init the dependencies hash table.
5684 (setq gnus-newsgroup-dependencies
5685 (gnus-make-hashtable (length articles)))
5686 (gnus-set-global-variables)
5687 ;; Retrieve the headers and read them in.
5689 (setq gnus-newsgroup-headers (gnus-fetch-headers articles))
5691 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5693 (setq gnus-newsgroup-cached cached))
5695 ;; Suppress duplicates?
5696 (when gnus-suppress-duplicates
5697 (gnus-dup-suppress-articles))
5699 ;; Set the initial limit.
5700 (setq gnus-newsgroup-limit (copy-sequence articles))
5701 ;; Remove canceled articles from the list of unread articles.
5702 (setq fetched-articles
5703 (mapcar (lambda (headers) (mail-header-number headers))
5704 gnus-newsgroup-headers))
5705 (setq gnus-newsgroup-articles fetched-articles)
5706 (setq gnus-newsgroup-unreads
5707 (gnus-sorted-nintersection
5708 gnus-newsgroup-unreads fetched-articles))
5709 (gnus-compute-unseen-list)
5711 ;; Removed marked articles that do not exist.
5712 (gnus-update-missing-marks
5713 (gnus-sorted-difference articles fetched-articles))
5714 ;; We might want to build some more threads first.
5715 (when (and gnus-fetch-old-headers
5716 (eq gnus-headers-retrieved-by 'nov))
5717 (if (eq gnus-fetch-old-headers 'invisible)
5718 (gnus-build-all-threads)
5719 (gnus-build-old-threads)))
5720 ;; Let the Gnus agent mark articles as read.
5722 (gnus-agent-get-undownloaded-list))
5723 ;; Remove list identifiers from subject
5724 (gnus-summary-remove-list-identifiers)
5725 ;; Check whether auto-expire is to be done in this group.
5726 (setq gnus-newsgroup-auto-expire
5727 (and (gnus-group-auto-expirable-p group)
5728 (not (gnus-group-read-only-p group))))
5729 ;; Set up the article buffer now, if necessary.
5730 (unless (and gnus-single-article-buffer
5731 (equal gnus-article-buffer "*Article*"))
5732 (gnus-article-setup-buffer))
5733 ;; First and last article in this newsgroup.
5734 (when gnus-newsgroup-headers
5735 (setq gnus-newsgroup-begin
5736 (mail-header-number (car gnus-newsgroup-headers))
5739 (gnus-last-element gnus-newsgroup-headers))))
5740 ;; GROUP is successfully selected.
5741 (or gnus-newsgroup-headers t)))))
5743 (defun gnus-compute-unseen-list ()
5744 ;; The `seen' marks are treated specially.
5745 (if (not gnus-newsgroup-seen)
5746 (setq gnus-newsgroup-unseen gnus-newsgroup-articles)
5747 (setq gnus-newsgroup-unseen
5748 (gnus-inverse-list-range-intersection
5749 gnus-newsgroup-articles gnus-newsgroup-seen))))
5751 (declare-function gnus-get-predicate "gnus-agent" (predicate))
5753 (defun gnus-summary-display-make-predicate (display)
5754 (require 'gnus-agent)
5755 (when (= (length display) 1)
5756 (setq display (car display)))
5757 (unless gnus-summary-display-cache
5758 (dolist (elem (append '((unread . unread)
5761 gnus-article-mark-lists))
5762 (push (cons (cdr elem)
5763 (gnus-byte-compile ;Why bother?
5764 `(lambda () (gnus-article-marked-p ',(cdr elem)))))
5765 gnus-summary-display-cache)))
5766 (let ((gnus-category-predicate-alist gnus-summary-display-cache)
5767 (gnus-category-predicate-cache gnus-summary-display-cache))
5768 (gnus-get-predicate display)))
5770 ;; Uses the dynamically bound `gnus-number' variable.
5771 (defvar gnus-number)
5772 (defun gnus-article-marked-p (type &optional article)
5773 (let ((article (or article gnus-number)))
5776 (memq article gnus-newsgroup-marked))
5778 (memq article gnus-newsgroup-spam-marked))
5780 (memq article gnus-newsgroup-unsendable))
5781 ((eq type 'undownload)
5782 (memq article gnus-newsgroup-undownloaded))
5783 ((eq type 'download)
5784 (memq article gnus-newsgroup-downloadable))
5786 (memq article gnus-newsgroup-unreads))
5788 (memq article gnus-newsgroup-reads))
5790 (memq article gnus-newsgroup-dormant) )
5792 (memq article gnus-newsgroup-expirable))
5794 (memq article gnus-newsgroup-replied))
5796 (memq article gnus-newsgroup-killed))
5797 ((eq type 'bookmark)
5798 (assq article gnus-newsgroup-bookmarks))
5800 (assq article gnus-newsgroup-scored))
5802 (memq article gnus-newsgroup-saved))
5804 (memq article gnus-newsgroup-cached))
5806 (memq article gnus-newsgroup-forwarded))
5808 (not (memq article gnus-newsgroup-unseen)))
5810 (memq article gnus-newsgroup-recent))
5813 (defun gnus-articles-to-read (group &optional read-all)
5814 "Find out what articles the user wants to read."
5815 (let* ((only-read-p t)
5817 ;; Select all articles if `read-all' is non-nil, or if there
5818 ;; are no unread articles.
5820 (and (zerop (length gnus-newsgroup-marked))
5821 (zerop (length gnus-newsgroup-unreads)))
5822 ;; Fetch all if the predicate is non-nil.
5823 gnus-newsgroup-display)
5824 ;; We want to select the headers for all the articles in
5825 ;; the group, so we select either all the active
5826 ;; articles in the group, or (if that's nil), the
5827 ;; articles in the cache.
5829 (if gnus-newsgroup-maximum-articles
5830 (let ((active (gnus-active group)))
5831 (gnus-uncompress-range
5832 (cons (max (car active)
5834 gnus-newsgroup-maximum-articles
5837 (gnus-uncompress-range (gnus-active group)))
5838 (gnus-cache-articles-in-group group))
5839 ;; Select only the "normal" subset of articles.
5840 (setq only-read-p nil)
5842 (gnus-sorted-union gnus-newsgroup-dormant gnus-newsgroup-marked)
5843 gnus-newsgroup-unreads)))
5844 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
5845 (scored (length scored-list))
5846 (number (length articles))
5847 (marked (+ (length gnus-newsgroup-marked)
5848 (length gnus-newsgroup-dormant)))
5853 ((numberp gnus-newsgroup-display)
5854 gnus-newsgroup-display)
5858 ((and (or (<= scored marked) (= scored number))
5859 (numberp gnus-large-newsgroup)
5860 (> number gnus-large-newsgroup))
5861 (let* ((cursor-in-echo-area nil)
5862 (initial (gnus-parameter-large-newsgroup-initial
5863 gnus-newsgroup-name))
5864 (default (if only-read-p
5865 (or initial gnus-large-newsgroup)
5871 "How many articles from %s (available %d, default %d): "
5872 (gnus-group-decoded-name
5873 (gnus-group-real-name gnus-newsgroup-name))
5876 "How many articles from %s (%d available): "
5877 (gnus-group-decoded-name
5878 (gnus-group-real-name gnus-newsgroup-name))
5882 (number-to-string default))))
5883 (if (string-match "^[ \t]*$" input) number input)))
5884 ((and (> scored marked) (< scored number)
5885 (> (- scored number) 20))
5888 (format "%s %s (%d scored, %d total): "
5889 "How many articles from"
5890 (gnus-group-decoded-name
5891 (gnus-group-real-name gnus-newsgroup-name))
5893 (if (string-match "^[ \t]*$" input)
5897 (message "Quit getting the articles to read")
5899 (setq select (if (stringp select) (string-to-number select) select))
5900 (if (or (null select) (zerop select))
5902 (if (and (not (zerop scored)) (<= (abs select) scored))
5904 (setq articles (sort scored-list '<))
5905 (setq number (length articles)))
5906 (setq articles (copy-sequence articles)))
5908 (when (< (abs select) number)
5910 ;; Select the N oldest articles.
5911 (setcdr (nthcdr (1- (abs select)) articles) nil)
5912 ;; Select the N most recent articles.
5913 (setq articles (nthcdr (- number select) articles))))
5914 (setq gnus-newsgroup-unselected
5915 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5916 (when gnus-alter-articles-to-read-function
5919 (funcall gnus-alter-articles-to-read-function
5920 gnus-newsgroup-name articles)
5924 (defun gnus-killed-articles (killed articles)
5927 (when (inline (gnus-member-of-range (car articles) killed))
5928 (push (car articles) out))
5929 (setq articles (cdr articles)))
5932 (defun gnus-uncompress-marks (marks)
5933 "Uncompress the mark ranges in MARKS."
5934 (let ((uncompressed '(score bookmark))
5937 (if (memq (caar marks) uncompressed)
5938 (push (car marks) out)
5939 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
5940 (setq marks (cdr marks)))
5943 (defun gnus-article-mark-to-type (mark)
5944 "Return the type of MARK."
5945 (or (cadr (assq mark gnus-article-special-mark-lists))
5948 (defun gnus-article-unpropagatable-p (mark)
5949 "Return whether MARK should be propagated to back end."
5950 (memq mark gnus-article-unpropagated-mark-lists))
5952 (defun gnus-adjust-marked-articles (info)
5953 "Set all article lists and remove all marks that are no longer valid."
5954 (let* ((marked-lists (gnus-info-marks info))
5955 (active (gnus-active (gnus-info-group info)))
5958 (types gnus-article-mark-lists)
5959 marks var articles article mark mark-type
5961 ;; Hack to avoid adjusting marks for imap.
5962 (when (eq (car (gnus-find-method-for-group (gnus-info-group info)))
5966 (dolist (marks marked-lists)
5967 (setq mark (car marks)
5968 mark-type (gnus-article-mark-to-type mark)
5969 var (intern (format "gnus-newsgroup-%s" (car (rassq mark types)))))
5971 ;; We set the variable according to the type of the marks list,
5972 ;; and then adjust the marks to a subset of the active articles.
5974 ;; Adjust "simple" lists - compressed yet unsorted
5975 ((eq mark-type 'list)
5976 ;; Simultaneously uncompress and clip to active range
5977 ;; See gnus-uncompress-range for a description of possible marks
5979 (if (not (cadr marks))
5981 (setq articles (if (numberp (cddr marks))
5987 (while (setq article (pop articles))
5988 (cond ((consp article)
5989 (setq bgn (max (car article) min)
5990 end (min (cdr article) max))
5992 (setq l (setcdr l (cons bgn nil))
5994 ((and (<= min article)
5996 (setq l (setcdr l (cons article nil))))))
5997 (set var (cdr lh)))))
5999 ((eq mark-type 'tuple)
6000 (set var (setq articles (cdr marks)))
6001 (when (not (listp (cdr (symbol-value var))))
6002 (set var (list (symbol-value var))))
6003 (when (not (listp (cdr articles)))
6004 (setq articles (list articles)))
6006 (when (or (not (consp (setq article (pop articles))))
6007 (< (car article) min)
6008 (> (car article) max))
6009 (set var (delq article (symbol-value var))))))
6010 ;; Adjust ranges (sloppily).
6011 ((eq mark-type 'range)
6014 ;; Fix the record for `seen' if it looks like (seen NUM1 . NUM2).
6015 ;; It should be (seen (NUM1 . NUM2)).
6016 (when (numberp (cddr marks))
6017 (setcdr marks (list (cdr marks))))
6018 (setq articles (cdr marks))
6019 (while (and articles
6020 (or (and (consp (car articles))
6021 (> min (cdar articles)))
6022 (and (numberp (car articles))
6023 (> min (car articles)))))
6025 (set var articles))))))))
6027 (defun gnus-update-missing-marks (missing)
6028 "Go through the list of MISSING articles and remove them from the mark lists."
6031 ;; Go through all types.
6032 (dolist (elem gnus-article-mark-lists)
6033 (when (eq (gnus-article-mark-to-type (cdr elem)) 'list)
6034 (setq var (intern (format "gnus-newsgroup-%s" (car elem))))
6035 (when (symbol-value var)
6036 ;; This list has articles. So we delete all missing
6037 ;; articles from it.
6040 (set var (delq (pop m) (symbol-value var))))))))))
6042 (defun gnus-update-marks ()
6043 "Enter the various lists of marked articles into the newsgroup info list."
6044 (let ((types gnus-article-mark-lists)
6045 (info (gnus-get-info gnus-newsgroup-name))
6046 type list newmarked symbol delta-marks)
6048 ;; Add all marks lists to the list of marks lists.
6049 (while (setq type (pop types))
6050 (setq list (symbol-value
6052 (intern (format "gnus-newsgroup-%s" (car type))))))
6055 ;; Get rid of the entries of the articles that have the
6057 (when (and (eq (cdr type) 'score)
6061 (prev (cons nil list))
6064 (if (or (not (consp (car arts)))
6065 (= (cdar arts) gnus-summary-default-score))
6066 (setcdr prev (cdr arts))
6068 (setq arts (cdr arts)))
6069 (setq list (cdr all)))))
6071 (when (eq (cdr type) 'seen)
6072 (setq list (gnus-range-add list gnus-newsgroup-unseen)))
6074 (when (eq (gnus-article-mark-to-type (cdr type)) 'list)
6075 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
6077 (when (and (gnus-check-backend-function
6078 'request-set-mark gnus-newsgroup-name)
6079 (not (gnus-article-unpropagatable-p (cdr type))))
6080 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
6081 ;; Don't do anything about marks for articles we
6082 ;; didn't actually get any headers for.
6084 (gnus-list-range-intersection
6085 gnus-newsgroup-articles
6086 (gnus-remove-from-range (gnus-copy-sequence old) list)))
6088 (gnus-list-range-intersection
6089 gnus-newsgroup-articles
6090 (gnus-remove-from-range
6091 (gnus-copy-sequence list) old))))
6093 (push (list add 'add (list (cdr type))) delta-marks))
6095 ;; Don't delete marks from outside the active range.
6096 ;; This shouldn't happen, but is a sanity check.
6097 (setq del (gnus-sorted-range-intersection
6098 (gnus-active gnus-newsgroup-name) del))
6099 (push (list del 'del (list (cdr type))) delta-marks))))
6102 (push (cons (cdr type) list) newmarked)))
6105 (unless (gnus-check-group gnus-newsgroup-name)
6106 (error "Can't open server for %s" gnus-newsgroup-name))
6107 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
6109 ;; Enter these new marks into the info of the group.
6111 (setcar (nthcdr 3 info) newmarked)
6112 ;; Add the marks lists to the end of the info.
6114 (setcdr (nthcdr 2 info) (list newmarked))))
6116 ;; Cut off the end of the info if there's nothing else there.
6120 (when (nthcdr (decf i) info)
6121 (setcdr (nthcdr i info) nil)))))))
6123 (defun gnus-set-mode-line (where)
6124 "Set the mode line of the article or summary buffers.
6125 If WHERE is `summary', the summary mode line format will be used."
6126 ;; Is this mode line one we keep updated?
6127 (when (and (memq where gnus-updated-mode-lines)
6129 (intern (format "gnus-%s-mode-line-format-spec" where))))
6131 ;; We evaluate this in the summary buffer since these
6132 ;; variables are buffer-local to that buffer.
6133 (with-current-buffer gnus-summary-buffer
6134 ;; We bind all these variables that are used in the `eval' form
6136 (let* ((mformat (symbol-value
6138 (format "gnus-%s-mode-line-format-spec" where))))
6139 (gnus-tmp-group-name (gnus-mode-string-quote
6140 (gnus-group-decoded-name
6141 gnus-newsgroup-name)))
6142 (gnus-tmp-article-number (or gnus-current-article 0))
6143 (gnus-tmp-unread gnus-newsgroup-unreads)
6144 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
6145 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
6146 (gnus-tmp-unread-and-unselected
6147 (cond ((and (zerop gnus-tmp-unread-and-unticked)
6148 (zerop gnus-tmp-unselected))
6150 ((zerop gnus-tmp-unselected)
6151 (format "{%d more}" gnus-tmp-unread-and-unticked))
6152 (t (format "{%d(+%d) more}"
6153 gnus-tmp-unread-and-unticked
6154 gnus-tmp-unselected))))
6156 (if (and gnus-current-headers
6157 (vectorp gnus-current-headers))
6158 (gnus-mode-string-quote
6159 (mail-header-subject gnus-current-headers))
6161 bufname-length max-len
6162 gnus-tmp-header) ;; passed as argument to any user-format-funcs
6163 (setq mode-string (eval mformat))
6164 (setq bufname-length (if (string-match "%b" mode-string)
6167 (if (eq where 'summary)
6169 (get-buffer gnus-article-buffer))))
6172 (setq max-len (max 4 (if gnus-mode-non-string-length
6174 gnus-mode-non-string-length
6176 (length mode-string))))
6177 ;; We might have to chop a bit of the string off...
6178 (when (> (length mode-string) max-len)
6180 (concat (truncate-string-to-width mode-string (- max-len 3))
6182 ;; Update the mode line.
6183 (setq mode-line-buffer-identification
6184 (gnus-mode-line-buffer-identification (list mode-string)))
6185 (set-buffer-modified-p t))))
6187 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
6188 "Go through the HEADERS list and add all Xrefs to a hash table.
6189 The resulting hash table is returned, or nil if no Xrefs were found."
6190 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
6191 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
6192 (xref-hashtb (gnus-make-hashtable))
6193 start group entry number xrefs header)
6195 (setq header (pop headers))
6196 (when (and (setq xrefs (mail-header-xref header))
6197 (not (memq (setq number (mail-header-number header))
6200 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
6201 (setq start (match-end 0))
6202 (setq group (if prefix
6203 (concat prefix (substring xrefs (match-beginning 1)
6205 (substring xrefs (match-beginning 1) (match-end 1))))
6207 (string-to-number (substring xrefs (match-beginning 2)
6209 (if (setq entry (gnus-gethash group xref-hashtb))
6210 (setcdr entry (cons number (cdr entry)))
6211 (gnus-sethash group (cons number nil) xref-hashtb)))))
6212 (and start xref-hashtb)))
6214 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
6215 "Look through all the headers and mark the Xrefs as read."
6216 (let ((virtual (gnus-virtual-group-p from-newsgroup))
6217 name info xref-hashtb idlist method nth4)
6218 (with-current-buffer gnus-group-buffer
6219 (when (setq xref-hashtb
6220 (gnus-create-xref-hashtb from-newsgroup headers unreads))
6223 (unless (string= from-newsgroup (setq name (symbol-name group)))
6224 (setq idlist (symbol-value group))
6225 ;; Dead groups are not updated.
6227 (setq info (gnus-get-info name))
6228 (when (stringp (setq nth4 (gnus-info-method info)))
6229 (setq nth4 (gnus-server-to-method nth4))))
6230 ;; Only do the xrefs if the group has the same
6231 ;; select method as the group we have just read.
6232 (or (gnus-methods-equal-p
6233 nth4 (gnus-find-method-for-group from-newsgroup))
6235 (equal nth4 (setq method (gnus-find-method-for-group
6237 (and (equal (car nth4) (car method))
6238 (equal (nth 1 nth4) (nth 1 method))))
6239 gnus-use-cross-reference
6240 (or (not (eq gnus-use-cross-reference t))
6242 ;; Only do cross-references on subscribed
6243 ;; groups, if that is what is wanted.
6244 (<= (gnus-info-level info) gnus-level-subscribed))
6245 (gnus-group-make-articles-read name idlist))))
6248 (defun gnus-compute-read-articles (group articles)
6249 (let* ((entry (gnus-group-entry group))
6250 (info (nth 2 entry))
6251 (active (gnus-active group))
6254 ;; First peel off all invalid article numbers.
6256 (let ((ids articles)
6258 (while (setq id (pop ids))
6259 (when (and first (> id (cdr active)))
6260 ;; We'll end up in this situation in one particular
6261 ;; obscure situation. If you re-scan a group and get
6262 ;; a new article that is cross-posted to a different
6263 ;; group that has not been re-scanned, you might get
6264 ;; crossposted article that has a higher number than
6265 ;; Gnus believes possible. So we re-activate this
6266 ;; group as well. This might mean doing the
6267 ;; crossposting thingy will *increase* the number
6268 ;; of articles in some groups. Tsk, tsk.
6269 (setq active (or (gnus-activate-group group) active)))
6270 (when (or (> id (cdr active))
6271 (< id (car active)))
6272 (setq articles (delq id articles))))))
6273 ;; If the read list is nil, we init it.
6275 (null (gnus-info-read info))
6277 (setq ninfo (cons 1 (1- (car active))))
6278 (setq ninfo (gnus-info-read info)))
6279 ;; Then we add the read articles to the range.
6281 ninfo (setq articles (sort articles '<))))))
6283 (defun gnus-group-make-articles-read (group articles)
6284 "Update the info of GROUP to say that ARTICLES are read."
6286 (entry (gnus-group-entry group))
6287 (info (nth 2 entry))
6288 (active (gnus-active group))
6291 ;; Group that Gnus doesn't know exists, but still allow the
6292 ;; backend to set marks.
6293 (gnus-request-set-mark
6294 group (list (list (gnus-compress-sequence (sort articles #'<))
6296 ;; Normal, subscribed groups.
6297 (setq range (gnus-compute-read-articles group articles))
6298 (with-current-buffer gnus-group-buffer
6301 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
6302 (gnus-info-set-read ',info ',(gnus-info-read info))
6303 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
6304 (gnus-request-set-mark ,group (list (list ',range 'del '(read))))
6305 (gnus-group-update-group ,group t))))
6306 ;; Add the read articles to the range.
6307 (gnus-info-set-read info range)
6308 (gnus-request-set-mark group (list (list range 'add '(read))))
6309 ;; Then we have to re-compute how many unread
6310 ;; articles there are in this group.
6314 (setq num (- (1+ (cdr active)) (car active))))
6315 ((not (listp (cdr range)))
6316 (setq num (- (cdr active) (- (1+ (cdr range))
6320 (if (numberp (car range))
6322 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
6323 (setq range (cdr range)))
6324 (setq num (- (cdr active) num))))
6325 ;; Update the number of unread articles.
6327 ;; Update the group buffer.
6328 (unless (gnus-ephemeral-group-p group)
6329 (gnus-group-update-group group t))))))
6331 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
6332 (let ((cur nntp-server-buffer)
6335 (with-current-buffer gnus-summary-buffer
6336 gnus-newsgroup-dependencies)))
6337 headers id end ref number
6338 (mail-parse-charset gnus-newsgroup-charset)
6339 (mail-parse-ignored-charsets
6340 (save-current-buffer (condition-case nil
6341 (set-buffer gnus-summary-buffer)
6343 gnus-newsgroup-ignored-charsets)))
6344 (with-current-buffer nntp-server-buffer
6345 ;; Translate all TAB characters into SPACE characters.
6346 (subst-char-in-region (point-min) (point-max) ?\t ? t)
6347 (subst-char-in-region (point-min) (point-max) ?\r ? t)
6348 (ietf-drums-unfold-fws)
6349 (gnus-run-hooks 'gnus-parse-headers-hook)
6350 (let ((case-fold-search t)
6351 in-reply-to header p lines chars)
6352 (goto-char (point-min))
6353 ;; Search to the beginning of the next header. Error messages
6354 ;; do not begin with 2 or 3.
6355 (while (re-search-forward "^[23][0-9]+ " nil t)
6358 ;; This implementation of this function, with nine
6359 ;; search-forwards instead of the one re-search-forward and
6360 ;; a case (which basically was the old function) is actually
6361 ;; about twice as fast, even though it looks messier. You
6362 ;; can't have everything, I guess. Speed and elegance
6363 ;; doesn't always go hand in hand.
6369 (setq number (read cur))
6372 (narrow-to-region (point)
6373 (or (and (search-forward "\n.\n" nil t)
6379 (if (search-forward "\nsubject:" nil t)
6380 (funcall gnus-decode-encoded-word-function
6381 (nnheader-header-value))
6386 (if (search-forward "\nfrom:" nil t)
6387 (funcall gnus-decode-encoded-address-function
6388 (nnheader-header-value))
6393 (if (search-forward "\ndate:" nil t)
6394 (nnheader-header-value) ""))
6398 (setq id (if (re-search-forward
6399 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
6400 ;; We do it this way to make sure the Message-ID
6401 ;; is (somewhat) syntactically valid.
6402 (buffer-substring (match-beginning 1)
6404 ;; If there was no message-id, we just fake one
6405 ;; to make subsequent routines simpler.
6406 (nnheader-generate-fake-message-id number))))
6410 (if (search-forward "\nreferences:" nil t)
6414 (nnheader-header-value)
6419 (search-backward ">" end t)
6422 (search-backward "<" end t)
6424 ;; Get the references from the in-reply-to header if there
6425 ;; were no references and the in-reply-to header looks
6427 (if (and (search-forward "\nin-reply-to:" nil t)
6428 (setq in-reply-to (nnheader-header-value))
6429 (string-match "<[^>]+>" in-reply-to))
6431 (setq ref (substring in-reply-to (match-beginning 0)
6433 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
6434 (setq ref2 (substring in-reply-to (match-beginning 0)
6436 (when (> (length ref2) (length ref))
6443 (if (search-forward "\nchars: " nil t)
6444 (if (numberp (setq chars (ignore-errors (read cur))))
6450 (if (search-forward "\nlines: " nil t)
6451 (if (numberp (setq lines (ignore-errors (read cur))))
6457 (and (search-forward "\nxref:" nil t)
6458 (nnheader-header-value)))
6460 (when gnus-extra-headers
6461 (let ((extra gnus-extra-headers)
6465 (when (search-forward
6466 (concat "\n" (symbol-name (car extra)) ":") nil t)
6467 (push (cons (car extra) (nnheader-header-value))
6471 (when (equal id ref)
6474 (when gnus-alter-header-function
6475 (funcall gnus-alter-header-function header)
6476 (setq id (mail-header-id header)
6477 ref (gnus-parent-id (mail-header-references header))))
6480 (gnus-dependencies-add-header
6481 header dependencies force-new))
6482 (push header headers))
6483 (goto-char (point-max))
6485 (nreverse headers)))))
6487 ;; Goes through the xover lines and returns a list of vectors
6488 (defun gnus-get-newsgroup-headers-xover (sequence &optional
6489 force-new dependencies
6490 group also-fetch-heads)
6491 "Parse the news overview data in the server buffer.
6492 Return a list of headers that match SEQUENCE (see
6493 `nntp-retrieve-headers')."
6494 ;; Get the Xref when the users reads the articles since most/some
6495 ;; NNTP servers do not include Xrefs when using XOVER.
6496 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
6497 (let ((mail-parse-charset gnus-newsgroup-charset)
6498 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
6499 (cur nntp-server-buffer)
6500 (dependencies (or dependencies gnus-newsgroup-dependencies))
6502 ((eq gnus-read-all-available-headers t)
6504 ((and (stringp gnus-read-all-available-headers)
6506 (string-match gnus-read-all-available-headers group))
6509 number headers header)
6510 (with-current-buffer nntp-server-buffer
6511 (subst-char-in-region (point-min) (point-max) ?\r ? t)
6512 ;; Allow the user to mangle the headers before parsing them.
6513 (gnus-run-hooks 'gnus-parse-headers-hook)
6514 (goto-char (point-min))
6515 (gnus-parse-without-error
6516 (while (and (or sequence allp)
6518 (setq number (read cur))
6520 (while (and sequence
6521 (< (car sequence) number))
6522 (setq sequence (cdr sequence))))
6525 (eq number (car sequence))))
6527 (setq sequence (cdr sequence))
6528 (setq header (inline
6529 (gnus-nov-parse-line
6530 number dependencies force-new)))))
6531 (push header headers))
6533 ;; A common bug in inn is that if you have posted an article and
6534 ;; then retrieves the active file, it will answer correctly --
6535 ;; the new article is included. However, a NOV entry for the
6536 ;; article may not have been generated yet, so this may fail.
6537 ;; We work around this problem by retrieving the last few
6538 ;; headers using HEAD.
6539 (if (or (not also-fetch-heads)
6541 ;; We (probably) got all the headers.
6543 (let ((gnus-nov-is-evil t))
6546 (when (eq (gnus-retrieve-headers sequence group) 'headers)
6547 (gnus-get-newsgroup-headers))))))))
6549 (defun gnus-article-get-xrefs ()
6550 "Fill in the Xref value in `gnus-current-headers', if necessary.
6551 This is meant to be called in `gnus-article-internal-prepare-hook'."
6552 (let ((headers (with-current-buffer gnus-summary-buffer
6553 gnus-current-headers)))
6554 (or (not gnus-use-cross-reference)
6556 (and (mail-header-xref headers)
6557 (not (string= (mail-header-xref headers) "")))
6558 (let ((case-fold-search t)
6561 (nnheader-narrow-to-headers)
6562 (goto-char (point-min))
6563 (when (or (and (not (eobp))
6564 (eq (downcase (char-after)) ?x)
6565 (looking-at "Xref:"))
6566 (search-forward "\nXref:" nil t))
6567 (goto-char (1+ (match-end 0)))
6568 (setq xref (buffer-substring (point) (point-at-eol)))
6569 (mail-header-set-xref headers xref)))))))
6571 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
6572 "Find article ID and insert the summary line for that article.
6573 OLD-HEADER can either be a header or a line number to insert
6574 the subject line on.
6575 If USE-OLD-HEADER is non-nil, then OLD-HEADER should be a header,
6576 and OLD-HEADER will be used when the summary line is inserted,
6577 too, instead of trying to fetch new headers."
6578 (let* ((line (and (numberp old-header) old-header))
6579 (old-header (and (vectorp old-header) old-header))
6580 (header (cond ((and old-header use-old-header)
6583 (gnus-number-to-header id))
6584 (gnus-number-to-header id))
6586 (gnus-read-header id))))
6587 (number (and (numberp id) id))
6590 ;; Rebuild the thread that this article is part of and go to the
6591 ;; article we have fetched.
6592 (when (and (not gnus-show-threads)
6595 (setq d (gnus-data-find (mail-header-number old-header))))
6596 (goto-char (gnus-data-pos d))
6602 (gnus-delete-line))))))
6603 ;; Remove list identifiers from subject.
6604 (let ((gnus-newsgroup-headers (list header)))
6605 (gnus-summary-remove-list-identifiers))
6607 (mail-header-set-number header (mail-header-number old-header)))
6608 (setq gnus-newsgroup-sparse
6609 (delq (setq number (mail-header-number header))
6610 gnus-newsgroup-sparse))
6611 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
6612 (push number gnus-newsgroup-limit)
6613 (gnus-rebuild-thread (mail-header-id header) line)
6614 (gnus-summary-goto-subject number nil t))
6615 (when (and (numberp number)
6617 ;; We have to update the boundaries even if we can't fetch the
6618 ;; article if ID is a number -- so that the next `P' or `N'
6619 ;; command will fetch the previous (or next) article even
6620 ;; if the one we tried to fetch this time has been canceled.
6621 (when (> number gnus-newsgroup-end)
6622 (setq gnus-newsgroup-end number))
6623 (when (< number gnus-newsgroup-begin)
6624 (setq gnus-newsgroup-begin number))
6625 (setq gnus-newsgroup-unselected
6626 (delq number gnus-newsgroup-unselected)))
6627 ;; Report back a success?
6628 (and header (mail-header-number header))))
6630 ;;; Process/prefix in the summary buffer
6632 (defun gnus-summary-work-articles (n)
6633 "Return a list of articles to be worked upon.
6634 The prefix argument, the list of process marked articles, and the
6635 current article will be taken into consideration."
6636 (with-current-buffer gnus-summary-buffer
6639 ;; A numerical prefix has been given.
6640 (setq n (prefix-numeric-value n))
6641 (let ((backward (< n 0))
6642 (n (abs (prefix-numeric-value n)))
6647 (push (setq article (gnus-summary-article-number))
6650 (gnus-summary-find-prev nil article)
6651 (gnus-summary-find-next nil article)))
6653 (nreverse articles)))
6654 ((and (gnus-region-active-p) (mark))
6655 (message "region active")
6656 ;; Work on the region between point and mark.
6657 (let ((max (max (point) (mark)))
6660 (goto-char (min (point) (mark)))
6663 (push (setq article (gnus-summary-article-number)) articles)
6664 (gnus-summary-find-next nil article)
6666 (nreverse articles))))
6667 (gnus-newsgroup-processable
6668 ;; There are process-marked articles present.
6669 ;; Save current state.
6670 (gnus-summary-save-process-mark)
6672 (reverse gnus-newsgroup-processable))
6674 ;; Just return the current article.
6675 (list (gnus-summary-article-number))))))
6677 (defmacro gnus-summary-iterate (arg &rest forms)
6678 "Iterate over the process/prefixed articles and do FORMS.
6679 ARG is the interactive prefix given to the command. FORMS will be
6680 executed with point over the summary line of the articles."
6681 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
6682 `(let ((,articles (gnus-summary-work-articles ,arg)))
6684 (gnus-summary-goto-subject (car ,articles))
6688 (put 'gnus-summary-iterate 'lisp-indent-function 1)
6689 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
6691 (defun gnus-summary-save-process-mark ()
6692 "Push the current set of process marked articles on the stack."
6694 (push (copy-sequence gnus-newsgroup-processable)
6695 gnus-newsgroup-process-stack))
6697 (defun gnus-summary-kill-process-mark ()
6698 "Push the current set of process marked articles on the stack and unmark."
6700 (gnus-summary-save-process-mark)
6701 (gnus-summary-unmark-all-processable))
6703 (defun gnus-summary-yank-process-mark ()
6704 "Pop the last process mark state off the stack and restore it."
6706 (unless gnus-newsgroup-process-stack
6707 (error "Empty mark stack"))
6708 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
6710 (defun gnus-summary-process-mark-set (set)
6711 "Make SET into the current process marked articles."
6712 (gnus-summary-unmark-all-processable)
6713 (mapc 'gnus-summary-set-process-mark set))
6715 ;;; Searching and stuff
6717 (defun gnus-summary-search-group (&optional backward use-level)
6718 "Search for next unread newsgroup.
6719 If optional argument BACKWARD is non-nil, search backward instead."
6720 (with-current-buffer gnus-group-buffer
6721 (when (gnus-group-search-forward
6722 backward nil (if use-level (gnus-group-group-level) nil))
6723 (gnus-group-group-name))))
6725 (defun gnus-summary-best-group (&optional exclude-group)
6726 "Find the name of the best unread group.
6727 If EXCLUDE-GROUP, do not go to this group."
6728 (with-current-buffer gnus-group-buffer
6730 (gnus-group-best-unread-group exclude-group))))
6732 (defun gnus-summary-find-next (&optional unread article backward)
6734 (gnus-summary-find-prev unread article)
6735 (let* ((dummy (gnus-summary-article-intangible-p))
6736 (article (or article (gnus-summary-article-number)))
6737 (data (gnus-data-find-list article))
6739 (when (and (not dummy)
6740 (or (not gnus-summary-check-current)
6742 (not (gnus-data-unread-p (car data)))))
6743 (setq data (cdr data)))
6748 (unless (memq (gnus-data-number (car data))
6750 ((eq gnus-auto-goto-ignores
6751 'always-undownloaded)
6752 gnus-newsgroup-undownloaded)
6755 ((eq gnus-auto-goto-ignores
6757 gnus-newsgroup-unfetched)
6758 ((eq gnus-auto-goto-ignores
6760 gnus-newsgroup-undownloaded)))
6761 (when (gnus-data-unread-p (car data))
6762 (setq result (car data)
6764 (setq data (cdr data)))
6767 (goto-char (gnus-data-pos result))
6768 (gnus-data-number result)))))
6770 (defun gnus-summary-find-prev (&optional unread article)
6771 (let* ((eobp (eobp))
6772 (article (or article (gnus-summary-article-number)))
6773 (data (gnus-data-find-list article (gnus-data-list 'rev)))
6775 (when (and (not eobp)
6776 (or (not gnus-summary-check-current)
6778 (not (gnus-data-unread-p (car data)))))
6779 (setq data (cdr data)))
6784 (unless (memq (gnus-data-number (car data))
6786 ((eq gnus-auto-goto-ignores
6787 'always-undownloaded)
6788 gnus-newsgroup-undownloaded)
6791 ((eq gnus-auto-goto-ignores
6793 gnus-newsgroup-unfetched)
6794 ((eq gnus-auto-goto-ignores
6796 gnus-newsgroup-undownloaded)))
6797 (when (gnus-data-unread-p (car data))
6798 (setq result (car data)
6800 (setq data (cdr data)))
6803 (goto-char (gnus-data-pos result))
6804 (gnus-data-number result))))
6806 (defun gnus-summary-find-subject (subject &optional unread backward article)
6807 (let* ((simp-subject (gnus-simplify-subject-fully subject))
6808 (article (or article (gnus-summary-article-number)))
6809 (articles (gnus-data-list backward))
6810 (arts (gnus-data-find-list article articles))
6812 (when (or (not gnus-summary-check-current)
6814 (not (gnus-data-unread-p (car arts))))
6815 (setq arts (cdr arts)))
6817 (and (or (not unread)
6818 (gnus-data-unread-p (car arts)))
6819 (vectorp (gnus-data-header (car arts)))
6821 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
6822 (setq result (car arts)
6824 (setq arts (cdr arts)))
6826 (goto-char (gnus-data-pos result))
6827 (gnus-data-number result))))
6829 (defun gnus-summary-search-forward (&optional unread subject backward)
6830 "Search forward for an article.
6831 If UNREAD, look for unread articles. If SUBJECT, look for
6832 articles with that subject. If BACKWARD, search backward instead."
6833 (cond (subject (gnus-summary-find-subject subject unread backward))
6834 (backward (gnus-summary-find-prev unread))
6835 (t (gnus-summary-find-next unread))))
6837 (defun gnus-recenter (&optional n)
6838 "Center point in window and redisplay frame.
6839 Also do horizontal recentering."
6841 (when (and gnus-auto-center-summary
6842 (not (eq gnus-auto-center-summary 'vertical)))
6843 (gnus-horizontal-recenter))
6844 (if (fboundp 'recenter-top-bottom)
6845 (recenter-top-bottom n)
6848 (put 'gnus-recenter 'isearch-scroll t)
6850 (defun gnus-forward-line-ignore-invisible (n)
6851 "Move N lines forward (backward if N is negative).
6852 Like forward-line, but skip over (and don't count) invisible lines."
6854 (while (and (> n 0) (not done))
6855 ;; If the following character is currently invisible,
6856 ;; skip all characters with that same `invisible' property value.
6857 (while (gnus-invisible-p (point))
6858 (goto-char (gnus-next-char-property-change (point))))
6863 (while (and (< n 0) (not done))
6865 (if (bobp) (setq done t)
6867 (while (and (not (bobp)) (gnus-invisible-p (1- (point))))
6868 (goto-char (gnus-previous-char-property-change (point))))))))
6870 (defun gnus-summary-recenter ()
6871 "Center point in the summary window.
6872 If `gnus-auto-center-summary' is nil, or the article buffer isn't
6873 displayed, no centering will be performed."
6874 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
6875 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
6877 ;; The user has to want it.
6878 (when gnus-auto-center-summary
6879 (let* ((top (cond ((< (window-height) 4) 0)
6880 ((< (window-height) 7) 1)
6881 (t (if (numberp gnus-auto-center-summary)
6882 gnus-auto-center-summary
6883 (/ (1- (window-height)) 2)))))
6884 (height (1- (window-height)))
6885 (bottom (save-excursion
6886 (goto-char (point-max))
6887 (gnus-forward-line-ignore-invisible (- height))
6889 (window (get-buffer-window (current-buffer))))
6890 (when (get-buffer-window gnus-article-buffer)
6891 ;; Only do recentering when the article buffer is displayed,
6892 ;; Set the window start to either `bottom', which is the biggest
6893 ;; possible valid number, or the second line from the top,
6894 ;; whichever is the least.
6895 (let ((top-pos (save-excursion
6896 (gnus-forward-line-ignore-invisible (- top))
6898 (if (> bottom top-pos)
6899 ;; Keep the second line from the top visible
6900 (set-window-start window top-pos)
6901 ;; Try to keep the bottom line visible; if it's partially
6902 ;; obscured, either scroll one more line to make it fully
6903 ;; visible, or revert to using TOP-POS.
6905 (goto-char (point-max))
6906 (gnus-forward-line-ignore-invisible -1)
6907 (let ((last-line-start (point)))
6909 (set-window-start window (point) t)
6910 (when (not (pos-visible-in-window-p last-line-start window))
6911 (gnus-forward-line-ignore-invisible 1)
6912 (set-window-start window (min (point) top-pos) t)))))))
6913 ;; Do horizontal recentering while we're at it.
6914 (when (and (get-buffer-window (current-buffer) t)
6915 (not (eq gnus-auto-center-summary 'vertical)))
6916 (let ((selected (selected-window)))
6917 (select-window (get-buffer-window (current-buffer) t))
6918 (gnus-summary-position-point)
6919 (gnus-horizontal-recenter)
6920 (select-window selected))))))
6922 (defun gnus-summary-jump-to-group (newsgroup)
6923 "Move point to NEWSGROUP in group mode buffer."
6924 ;; Keep update point of group mode buffer if visible.
6925 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
6926 (save-window-excursion
6927 ;; Take care of tree window mode.
6928 (when (get-buffer-window gnus-group-buffer)
6929 (pop-to-buffer gnus-group-buffer))
6930 (gnus-group-jump-to-group newsgroup))
6932 ;; Take care of tree window mode.
6933 (if (get-buffer-window gnus-group-buffer 0)
6934 (pop-to-buffer gnus-group-buffer)
6935 (set-buffer gnus-group-buffer))
6936 (gnus-group-jump-to-group newsgroup))))
6938 ;; This function returns a list of article numbers based on the
6939 ;; difference between the ranges of read articles in this group and
6940 ;; the range of active articles.
6941 (defun gnus-list-of-unread-articles (group)
6942 (let* ((read (gnus-info-read (gnus-get-info group)))
6943 (active (or (gnus-active group) (gnus-activate-group group)))
6944 (last (or (cdr active)
6945 (error "Group %s couldn't be activated " group)))
6946 (bottom (if gnus-newsgroup-maximum-articles
6948 (- last gnus-newsgroup-maximum-articles -1))
6951 ;; If none are read, then all are unread.
6954 ;; If the range of read articles is a single range, then the
6955 ;; first unread article is the article after the last read
6956 ;; article. Sounds logical, doesn't it?
6957 (if (and (not (listp (cdr read)))
6958 (or (< (car read) bottom)
6959 (progn (setq read (list read))
6961 (setq first (max bottom (1+ (cdr read))))
6962 ;; `read' is a list of ranges.
6963 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6966 (setq first bottom))
6969 (while (< first nlast)
6970 (setq unread (cons first unread)
6972 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6973 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6974 (setq read (cdr read)))))
6975 ;; And add the last unread articles.
6976 (while (<= first last)
6977 (setq unread (cons first unread)
6979 ;; Return the list of unread articles.
6980 (delq 0 (nreverse unread))))
6982 (defun gnus-list-of-read-articles (group)
6983 "Return a list of unread, unticked and non-dormant articles."
6984 (let* ((info (gnus-get-info group))
6985 (marked (gnus-info-marks info))
6986 (active (gnus-active group)))
6988 (gnus-list-range-difference
6989 (gnus-list-range-difference
6990 (gnus-sorted-complement
6991 (gnus-uncompress-range
6992 (if gnus-newsgroup-maximum-articles
6993 (cons (max (car active)
6995 gnus-newsgroup-maximum-articles
6999 (gnus-list-of-unread-articles group))
7000 (cdr (assq 'dormant marked)))
7001 (cdr (assq 'tick marked))))))
7003 ;; This function returns a sequence of article numbers based on the
7004 ;; difference between the ranges of read articles in this group and
7005 ;; the range of active articles.
7006 (defun gnus-sequence-of-unread-articles (group)
7007 (let* ((read (gnus-info-read (gnus-get-info group)))
7008 (active (or (gnus-active group) (gnus-activate-group group)))
7010 (bottom (if gnus-newsgroup-maximum-articles
7012 (- last gnus-newsgroup-maximum-articles -1))
7015 ;; If none are read, then all are unread.
7018 ;; If the range of read articles is a single range, then the
7019 ;; first unread article is the article after the last read
7020 ;; article. Sounds logical, doesn't it?
7021 (if (and (not (listp (cdr read)))
7022 (or (< (car read) bottom)
7023 (progn (setq read (list read))
7025 (setq first (max bottom (1+ (cdr read))))
7026 ;; `read' is a list of ranges.
7027 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
7030 (setq first bottom))
7033 (push (cons first nlast) unread))
7034 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
7035 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
7036 (setq read (cdr read)))))
7037 ;; And add the last unread articles.
7038 (cond ((not (and first last))
7041 (push (cons first last) unread))
7043 (push first unread)))
7044 ;; Return the sequence of unread articles.
7045 (delq 0 (nreverse unread))))
7047 ;; Various summary commands
7049 (defun gnus-summary-select-article-buffer ()
7050 "Reconfigure windows to show the article buffer.
7051 If `gnus-widen-article-window' is set, show only the article
7054 (if (not (gnus-buffer-live-p gnus-article-buffer))
7055 (error "There is no article buffer for this summary buffer")
7056 (unless (get-buffer-window gnus-article-buffer)
7057 (gnus-summary-show-article))
7058 (gnus-configure-windows
7059 (if gnus-widen-article-window
7063 (select-window (get-buffer-window gnus-article-buffer))))
7065 (defun gnus-summary-universal-argument (arg)
7066 "Perform any operation on all articles that are process/prefixed."
7068 (let ((articles (gnus-summary-work-articles arg))
7075 (substitute-command-keys
7076 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
7078 (gnus-error 1 "Undefined key")
7081 (gnus-summary-goto-subject (setq article (pop articles)))
7082 (let (gnus-newsgroup-processable)
7083 (command-execute func))
7084 (gnus-summary-remove-process-mark article)))))
7085 (gnus-summary-position-point))
7087 (defun gnus-summary-toggle-truncation (&optional arg)
7088 "Toggle truncation of summary lines.
7089 With ARG, turn line truncation on if ARG is positive."
7091 (setq truncate-lines
7092 (if (null arg) (not truncate-lines)
7093 (> (prefix-numeric-value arg) 0)))
7096 (defun gnus-summary-find-for-reselect ()
7097 "Return the number of an article to stay on across a reselect.
7098 The current article is considered, then following articles, then previous
7099 articles. An article is sought which is not cancelled and isn't a temporary
7100 insertion from another group. If there's no such then return a dummy 0."
7102 (dolist (rev '(nil t))
7103 (unless found ; don't demand the reverse list if we don't need it
7104 (let ((data (gnus-data-find-list
7105 (gnus-summary-article-number) (gnus-data-list rev))))
7106 (while (and data (not found))
7107 (if (and (< 0 (gnus-data-number (car data)))
7108 (not (eq gnus-canceled-mark (gnus-data-mark (car data)))))
7109 (setq found (gnus-data-number (car data))))
7110 (setq data (cdr data))))))
7113 (defun gnus-summary-reselect-current-group (&optional all rescan)
7114 "Exit and then reselect the current newsgroup.
7115 The prefix argument ALL means to select all articles."
7117 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
7118 (error "Ephemeral groups can't be reselected"))
7119 (let ((current-subject (gnus-summary-find-for-reselect))
7120 (group gnus-newsgroup-name))
7121 (setq gnus-newsgroup-begin nil)
7122 (gnus-summary-exit nil 'leave-hidden)
7123 ;; We have to adjust the point of group mode buffer because
7124 ;; point was moved to the next unread newsgroup by exiting.
7125 (gnus-summary-jump-to-group group)
7128 (gnus-group-get-new-news-this-group 1)))
7129 (gnus-group-read-group all t)
7130 (gnus-summary-goto-subject current-subject nil t)))
7132 (defun gnus-summary-rescan-group (&optional all)
7133 "Exit the newsgroup, ask for new articles, and select the newsgroup."
7135 (let ((config gnus-current-window-configuration))
7136 (gnus-summary-reselect-current-group all t)
7137 (gnus-configure-windows config)
7138 (when (eq config 'article)
7139 (gnus-summary-select-article))))
7141 (defun gnus-summary-update-info (&optional non-destructive)
7143 (let ((group gnus-newsgroup-name))
7145 (when gnus-newsgroup-kill-headers
7146 (setq gnus-newsgroup-killed
7147 (gnus-compress-sequence
7149 (gnus-list-range-intersection
7150 gnus-newsgroup-unselected gnus-newsgroup-killed)
7151 gnus-newsgroup-unreads)
7153 (unless (listp (cdr gnus-newsgroup-killed))
7154 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
7155 (let ((headers gnus-newsgroup-headers)
7156 (ephemeral-p (gnus-ephemeral-group-p group))
7159 (setq info (copy-sequence (gnus-get-info group))
7160 info (delq (gnus-info-params info) info)))
7161 ;; Set the new ranges of read articles.
7162 (with-current-buffer gnus-group-buffer
7163 (gnus-undo-force-boundary))
7164 (gnus-update-read-articles
7165 group (gnus-sorted-union
7166 gnus-newsgroup-unreads gnus-newsgroup-unselected))
7167 ;; Set the current article marks.
7168 (let ((gnus-newsgroup-scored
7169 (if (and (not gnus-save-score)
7170 (not non-destructive))
7172 gnus-newsgroup-scored)))
7174 (gnus-update-marks)))
7175 ;; Do the cross-ref thing.
7176 (when gnus-use-cross-reference
7177 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
7178 ;; Do not switch windows but change the buffer to work.
7179 (set-buffer gnus-group-buffer)
7181 (gnus-group-update-group
7184 (setq info (copy-sequence (gnus-get-info group))
7185 info (delq (gnus-info-params info) info))))))))))
7187 (defun gnus-summary-save-newsrc (&optional force)
7188 "Save the current number of read/marked articles in the dribble buffer.
7189 The dribble buffer will then be saved.
7190 If FORCE (the prefix), also save the .newsrc file(s)."
7192 (gnus-summary-update-info t)
7194 (gnus-save-newsrc-file)
7195 (gnus-dribble-save)))
7197 (declare-function gnus-cache-write-active "gnus-cache" (&optional force))
7199 (defun gnus-summary-exit (&optional temporary leave-hidden)
7200 "Exit reading current newsgroup, and then return to group selection mode.
7201 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
7203 (gnus-set-global-variables)
7204 (when (gnus-buffer-live-p gnus-article-buffer)
7205 (with-current-buffer gnus-article-buffer
7206 (mm-destroy-parts gnus-article-mime-handles)
7207 ;; Set it to nil for safety reason.
7208 (setq gnus-article-mime-handle-alist nil)
7209 (setq gnus-article-mime-handles nil)))
7210 (gnus-kill-save-kill-buffer)
7211 (gnus-async-halt-prefetch)
7212 (let* ((group gnus-newsgroup-name)
7213 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
7214 (gnus-group-is-exiting-p t)
7215 (article-buffer gnus-article-buffer)
7218 (buf (current-buffer))
7219 ;; `gnus-single-article-buffer' is nil buffer-locally in
7220 ;; ephemeral group of which summary buffer will be killed,
7221 ;; but the global value may be non-nil.
7222 (single-article-buffer gnus-single-article-buffer))
7224 ;; Do adaptive scoring, and possibly save score files.
7225 (when gnus-newsgroup-adaptive
7226 (gnus-score-adaptive))
7227 (when gnus-use-scoring
7229 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
7230 (when gnus-use-cache
7231 (gnus-cache-possibly-remove-articles)
7232 (gnus-cache-save-buffers))
7233 (gnus-async-prefetch-remove-group group)
7234 (when gnus-suppress-duplicates
7235 (gnus-dup-enter-articles))
7236 (when gnus-use-trees
7237 (gnus-tree-close group))
7238 (when gnus-use-cache
7239 (gnus-cache-write-active))
7240 ;; Remove entries for this group.
7241 (nnmail-purge-split-history (gnus-group-real-name group))
7242 ;; Make all changes in this group permanent.
7244 (gnus-run-hooks 'gnus-exit-group-hook)
7245 (gnus-summary-update-info))
7246 (gnus-close-group group)
7247 ;; Make sure where we were, and go to next newsgroup.
7248 (set-buffer gnus-group-buffer)
7250 (gnus-group-jump-to-group group))
7251 (gnus-run-hooks 'gnus-summary-exit-hook)
7252 (unless (or quit-config
7253 (not gnus-summary-next-group-on-exit)
7254 ;; If this group has disappeared from the summary
7255 ;; buffer, don't skip forwards.
7256 (not (string= group (gnus-group-group-name))))
7257 (gnus-group-next-unread-group 1))
7258 (setq group-point (point))
7262 (if (not gnus-kill-summary-on-exit)
7264 (gnus-deaden-summary)
7266 (when (get-buffer gnus-article-buffer)
7267 (bury-buffer gnus-article-buffer))
7268 ;; Return to group mode buffer.
7269 (when (eq mode 'gnus-summary-mode)
7270 (gnus-kill-buffer buf)))
7272 (setq gnus-current-select-method gnus-select-method)
7273 (set-buffer gnus-group-buffer)
7275 (gnus-handle-ephemeral-exit quit-config)
7276 (goto-char group-point)
7277 ;; If gnus-group-buffer is already displayed, make sure we also move
7278 ;; the cursor in the window that displays it.
7279 (let ((win (get-buffer-window (current-buffer) 0)))
7280 (if win (set-window-point win (point))))
7281 (unless leave-hidden
7282 (gnus-configure-windows 'group 'force)))
7284 ;; If we have several article buffers, we kill them at exit.
7285 (unless single-article-buffer
7286 (when (gnus-buffer-live-p article-buffer)
7287 (with-current-buffer article-buffer
7288 ;; Don't kill sticky article buffers
7289 (unless (eq major-mode 'gnus-sticky-article-mode)
7290 (gnus-kill-buffer article-buffer)
7291 (setq gnus-article-current nil))))
7292 (gnus-kill-buffer gnus-original-article-buffer))
7294 ;; Clear the current group name.
7296 (setq gnus-newsgroup-name nil)))))
7298 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
7299 (defun gnus-summary-exit-no-update (&optional no-questions)
7300 "Quit reading current newsgroup without updating read article info."
7302 (let* ((group gnus-newsgroup-name)
7303 (gnus-group-is-exiting-p t)
7304 (gnus-group-is-exiting-without-update-p t)
7305 (quit-config (gnus-group-quit-config group)))
7306 (when (or no-questions
7308 (gnus-y-or-n-p "Discard changes to this group and exit? "))
7309 (gnus-async-halt-prefetch)
7310 (run-hooks 'gnus-summary-prepare-exit-hook)
7311 (when (gnus-buffer-live-p gnus-article-buffer)
7312 (with-current-buffer gnus-article-buffer
7313 (gnus-article-stop-animations)
7314 (mm-destroy-parts gnus-article-mime-handles)
7315 ;; Set it to nil for safety reason.
7316 (setq gnus-article-mime-handle-alist nil)
7317 (setq gnus-article-mime-handles nil)))
7318 ;; If we have several article buffers, we kill them at exit.
7319 (unless gnus-single-article-buffer
7320 (gnus-kill-buffer gnus-article-buffer)
7321 (gnus-kill-buffer gnus-original-article-buffer)
7322 (setq gnus-article-current nil))
7323 ;; Return to the group buffer.
7324 (gnus-configure-windows 'group 'force)
7325 (if (not gnus-kill-summary-on-exit)
7326 (gnus-deaden-summary)
7327 (gnus-close-group group)
7328 (gnus-kill-buffer gnus-summary-buffer))
7329 (unless gnus-single-article-buffer
7330 (setq gnus-article-current nil))
7331 (when gnus-use-trees
7332 (gnus-tree-close group))
7333 (gnus-async-prefetch-remove-group group)
7334 (when (get-buffer gnus-article-buffer)
7335 (bury-buffer gnus-article-buffer))
7336 ;; Clear the current group name.
7337 (setq gnus-newsgroup-name nil)
7338 (unless (gnus-ephemeral-group-p group)
7339 (gnus-group-update-group group nil t))
7340 (when (equal (gnus-group-group-name) group)
7341 (gnus-group-next-unread-group 1))
7343 (gnus-handle-ephemeral-exit quit-config)))))
7345 (defun gnus-handle-ephemeral-exit (quit-config)
7346 "Handle movement when leaving an ephemeral group.
7347 The state which existed when entering the ephemeral is reset."
7348 (if (not (buffer-name (car quit-config)))
7349 (gnus-configure-windows 'group 'force)
7350 (set-buffer (car quit-config))
7351 (unless (eq (cdr quit-config) 'group)
7352 (setq gnus-current-select-method
7353 (gnus-find-method-for-group gnus-newsgroup-name)))
7354 (cond ((eq major-mode 'gnus-summary-mode)
7355 (gnus-set-global-variables))
7356 ((eq major-mode 'gnus-article-mode)
7357 (save-current-buffer
7358 ;; The `gnus-summary-buffer' variable may point
7359 ;; to the old summary buffer when using a single
7361 (unless (gnus-buffer-live-p gnus-summary-buffer)
7362 (set-buffer gnus-group-buffer))
7363 (set-buffer gnus-summary-buffer)
7364 (gnus-set-global-variables))))
7365 (if (or (eq (cdr quit-config) 'article)
7366 (eq (cdr quit-config) 'pick))
7367 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
7368 (gnus-configure-windows 'pick 'force)
7369 (gnus-configure-windows (cdr quit-config) 'force))
7370 (gnus-configure-windows (cdr quit-config) 'force))
7371 (when (eq major-mode 'gnus-summary-mode)
7372 (if (memq gnus-auto-select-on-ephemeral-exit '(next-noselect
7373 next-unread-noselect))
7374 (when (zerop (cond ((eq gnus-auto-select-on-ephemeral-exit
7376 (gnus-summary-next-subject 1 nil t))
7377 ((eq gnus-auto-select-on-ephemeral-exit
7378 'next-unread-noselect)
7379 (gnus-summary-next-subject 1 t t))))
7380 ;; Hide the article buffer which displays the article different
7381 ;; from the one that the cursor points to in the summary buffer.
7382 (gnus-configure-windows 'summary 'force))
7383 (cond ((eq gnus-auto-select-on-ephemeral-exit 'next)
7384 (gnus-summary-next-subject 1))
7385 ((eq gnus-auto-select-on-ephemeral-exit 'next-unread)
7386 (gnus-summary-next-subject 1 t))))
7387 (gnus-summary-recenter)
7388 (gnus-summary-position-point))))
7392 (defvar gnus-dead-summary-mode-map
7393 (let ((map (make-keymap)))
7394 (suppress-keymap map)
7395 (substitute-key-definition 'undefined 'gnus-summary-wake-up-the-dead map)
7396 (dolist (key '("\C-d" "\r" "\177" [delete]))
7397 (define-key map key 'gnus-summary-wake-up-the-dead))
7398 (dolist (key '("q" "Q"))
7399 (define-key map key 'bury-buffer))
7402 (define-minor-mode gnus-dead-summary-mode
7403 "Minor mode for Gnus summary buffers."
7404 :lighter " Dead" :keymap gnus-dead-summary-mode-map
7405 (unless (derived-mode-p 'gnus-summary-mode)
7406 (setq gnus-dead-summary-mode nil)))
7408 (defun gnus-deaden-summary ()
7409 "Make the current summary buffer into a dead summary buffer."
7410 ;; Kill any previous dead summary buffer.
7411 (when (and gnus-dead-summary
7412 (buffer-name gnus-dead-summary))
7413 (with-current-buffer gnus-dead-summary
7414 (when gnus-dead-summary-mode
7415 (kill-buffer (current-buffer)))))
7416 ;; Make this the current dead summary.
7417 (setq gnus-dead-summary (current-buffer))
7418 (gnus-dead-summary-mode 1)
7419 (let ((name (buffer-name)))
7420 (when (string-match "Summary" name)
7422 (concat (substring name 0 (match-beginning 0)) "Dead "
7423 (substring name (match-beginning 0)))
7427 (defun gnus-kill-or-deaden-summary (buffer)
7428 "Kill or deaden the summary BUFFER."
7430 (when (and (buffer-name buffer)
7431 (not gnus-single-article-buffer))
7432 (with-current-buffer buffer
7433 (gnus-kill-buffer gnus-article-buffer)
7434 (gnus-kill-buffer gnus-original-article-buffer)))
7437 (gnus-kill-summary-on-exit
7438 (when (and gnus-use-trees
7439 (gnus-buffer-exists-p buffer))
7440 (with-current-buffer buffer
7441 (gnus-tree-close gnus-newsgroup-name)))
7442 (gnus-kill-buffer buffer))
7443 ;; Deaden the buffer.
7444 ((gnus-buffer-exists-p buffer)
7445 (with-current-buffer buffer
7446 (gnus-deaden-summary))))))
7448 (defun gnus-summary-wake-up-the-dead (&rest args)
7449 "Wake up the dead summary buffer."
7451 (gnus-dead-summary-mode -1)
7452 (let ((name (buffer-name)))
7453 (when (string-match "Dead " name)
7455 (concat (substring name 0 (match-beginning 0))
7456 (substring name (match-end 0)))
7458 (gnus-message 3 "This dead summary is now alive again"))
7460 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
7461 (defun gnus-summary-describe-group (&optional force)
7462 "Describe the current newsgroup."
7464 (gnus-group-describe-group force gnus-newsgroup-name))
7466 (defun gnus-summary-describe-briefly ()
7467 "Describe summary mode commands briefly."
7469 (gnus-message 6 "%s" (substitute-command-keys "\\<gnus-summary-mode-map>\\[gnus-summary-next-page]:Select \\[gnus-summary-next-unread-article]:Forward \\[gnus-summary-prev-unread-article]:Backward \\[gnus-summary-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-summary-describe-briefly]:This help")))
7471 ;; Walking around group mode buffer from summary mode.
7473 (defun gnus-summary-next-group (&optional no-article target-group backward)
7474 "Exit current newsgroup and then select next unread newsgroup.
7475 If prefix argument NO-ARTICLE is non-nil, no article is selected
7476 initially. If TARGET-GROUP, go to this group. If BACKWARD, go to
7477 previous group instead."
7479 ;; Stop pre-fetching.
7480 (gnus-async-halt-prefetch)
7481 (let ((current-group gnus-newsgroup-name)
7482 (current-buffer (current-buffer))
7484 ;; First we semi-exit this group to update Xrefs and all variables.
7485 ;; We can't do a real exit, because the window conf must remain
7486 ;; the same in case the user is prompted for info, and we don't
7487 ;; want the window conf to change before that...
7488 (gnus-summary-exit t)
7489 (while (not entered)
7490 ;; Then we find what group we are supposed to enter.
7491 (set-buffer gnus-group-buffer)
7492 (gnus-group-jump-to-group current-group)
7495 (if (eq gnus-keep-same-level 'best)
7496 (gnus-summary-best-group gnus-newsgroup-name)
7497 (gnus-summary-search-group backward gnus-keep-same-level))))
7498 (if (not target-group)
7499 ;; There are no further groups, so we return to the group
7502 (gnus-message 5 "Returning to the group buffer")
7504 (when (gnus-buffer-live-p current-buffer)
7505 (set-buffer current-buffer)
7506 (gnus-summary-exit))
7507 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
7508 ;; We try to enter the target group.
7509 (gnus-group-jump-to-group target-group)
7510 (let ((unreads (gnus-group-group-unread)))
7511 (if (and (or (eq t unreads)
7512 (and unreads (not (zerop unreads))))
7513 (gnus-summary-read-group
7514 target-group nil no-article
7515 (and (buffer-name current-buffer) current-buffer)
7518 (setq current-group target-group
7519 target-group nil)))))))
7521 (defun gnus-summary-prev-group (&optional no-article)
7522 "Exit current newsgroup and then select previous unread newsgroup.
7523 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
7525 (gnus-summary-next-group no-article nil t))
7527 ;; Walking around summary lines.
7529 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
7530 "Go to the first subject satisfying any non-nil constraint.
7531 If UNREAD is non-nil, the article should be unread.
7532 If UNDOWNLOADED is non-nil, the article should be undownloaded.
7533 If UNSEEN is non-nil, the article should be unseen as well as unread.
7534 Returns the article selected or nil if there are no matching articles."
7538 ((null gnus-newsgroup-data)
7539 (gnus-message 3 "No articles in the group")
7541 ;; Pick the first article.
7542 ((not (or unread undownloaded unseen))
7543 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
7544 (gnus-data-number (car gnus-newsgroup-data)))
7545 ;; Find the first unread article.
7547 (let ((data gnus-newsgroup-data))
7549 (let ((num (gnus-data-number (car data))))
7550 (or (memq num gnus-newsgroup-unfetched)
7551 (not (or (and unread
7552 (memq num gnus-newsgroup-unreads))
7554 (memq num gnus-newsgroup-undownloaded))
7556 (memq num gnus-newsgroup-unseen)
7557 (memq num gnus-newsgroup-unreads)))))))
7558 (setq data (cdr data)))
7562 (goto-char (gnus-data-pos (car data)))
7563 (gnus-data-number (car data)))
7564 (gnus-message 3 "No more%s articles"
7565 (let* ((r (when unread " unread"))
7566 (d (when undownloaded " undownloaded"))
7567 (s (when unseen " unseen"))
7568 (l (delq nil (list r d s))))
7569 (cond ((= 3 (length l))
7570 (concat r "," d ", or" s))
7572 (concat (car l) ", or" (cadr l)))
7579 (gnus-summary-position-point))))))
7581 (defun gnus-summary-next-subject (n &optional unread dont-display)
7582 "Go to next N'th summary line.
7583 If N is negative, go to the previous N'th subject line.
7584 If UNREAD is non-nil, only unread articles are selected.
7585 The difference between N and the actual number of steps taken is
7588 (let ((backward (< n 0))
7592 (gnus-summary-find-prev unread)
7593 (gnus-summary-find-next unread)))
7594 (unless (zerop (setq n (1- n)))
7595 (gnus-summary-show-thread)))
7597 (gnus-message 7 "No more%s articles"
7598 (if unread " unread" "")))
7599 (unless dont-display
7600 (gnus-summary-recenter)
7601 (gnus-summary-position-point))
7604 (defun gnus-summary-next-unread-subject (n)
7605 "Go to next N'th unread summary line."
7607 (gnus-summary-next-subject n t))
7609 (defun gnus-summary-prev-subject (n &optional unread)
7610 "Go to previous N'th summary line.
7611 If optional argument UNREAD is non-nil, only unread article is selected."
7613 (gnus-summary-next-subject (- n) unread))
7615 (defun gnus-summary-prev-unread-subject (n)
7616 "Go to previous N'th unread summary line."
7618 (gnus-summary-next-subject (- n) t))
7620 (defun gnus-summary-goto-subjects (articles)
7621 "Insert the subject header for ARTICLES in the current buffer."
7623 (dolist (article articles)
7624 (gnus-summary-goto-subject article t)))
7625 (gnus-summary-limit (append articles gnus-newsgroup-limit))
7626 (gnus-summary-position-point))
7628 (defun gnus-summary-goto-subject (article &optional force silent)
7629 "Go to the subject line of ARTICLE.
7630 If FORCE, also allow jumping to articles not currently shown."
7631 (interactive "nArticle number: ")
7632 (unless (numberp article)
7633 (error "Article %s is not a number" article))
7635 (data (gnus-data-find article)))
7636 ;; We read in the article if we have to.
7639 (gnus-summary-insert-subject
7641 (if (or (numberp force) (vectorp force)) force)
7643 (setq data (gnus-data-find article)))
7648 (gnus-message 3 "Can't find article %d" article))
7650 (let ((pt (gnus-data-pos data)))
7652 (gnus-summary-set-article-display-arrow pt))
7653 (gnus-summary-position-point)
7656 ;; Walking around summary lines with displaying articles.
7658 (defun gnus-summary-expand-window (&optional arg)
7659 "Make the summary buffer take up the entire Emacs frame.
7660 Given a prefix, will force an `article' buffer configuration."
7663 (gnus-configure-windows 'article 'force)
7664 (gnus-configure-windows 'summary 'force)))
7666 (defun gnus-summary-display-article (article &optional all-header)
7667 "Display ARTICLE in article buffer."
7668 (unless (and (gnus-buffer-live-p gnus-article-buffer)
7669 (with-current-buffer gnus-article-buffer
7670 (eq major-mode 'gnus-article-mode)))
7671 (gnus-article-setup-buffer))
7672 (gnus-set-global-variables)
7673 (with-current-buffer gnus-article-buffer
7674 (setq gnus-article-charset gnus-newsgroup-charset)
7675 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
7676 (mm-enable-multibyte))
7680 (if gnus-summary-display-article-function
7681 (funcall gnus-summary-display-article-function article all-header)
7682 (gnus-article-prepare article all-header))
7683 (gnus-run-hooks 'gnus-select-article-hook)
7684 (when (and gnus-current-article
7685 (not (zerop gnus-current-article)))
7686 (gnus-summary-goto-subject gnus-current-article))
7687 (gnus-summary-recenter)
7688 (when (and gnus-use-trees gnus-show-threads)
7689 (gnus-possibly-generate-tree article)
7690 (gnus-highlight-selected-tree article))
7691 ;; Successfully display article.
7692 (gnus-article-set-window-start
7693 (cdr (assq article gnus-newsgroup-bookmarks))))))
7695 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
7696 "Select the current article.
7697 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
7698 non-nil, the article will be re-fetched even if it already present in
7699 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
7701 ;; Make sure we are in the summary buffer to work around bbdb bug.
7702 (unless (eq major-mode 'gnus-summary-mode)
7703 (set-buffer gnus-summary-buffer))
7704 (let ((article (or article (gnus-summary-article-number)))
7705 (all-headers (not (not all-headers))) ;Must be t or nil.
7706 gnus-summary-display-article-function)
7708 (gnus-summary-article-pseudo-p article)
7709 (error "This is a pseudo-article"))
7710 (with-current-buffer gnus-summary-buffer
7711 (if (or (and gnus-single-article-buffer
7712 (or (null gnus-current-article)
7713 (null gnus-article-current)
7714 (null (get-buffer gnus-article-buffer))
7715 (not (eq article (cdr gnus-article-current)))
7716 (not (equal (car gnus-article-current)
7717 gnus-newsgroup-name))
7718 (not (get-buffer gnus-original-article-buffer))))
7719 (and (not gnus-single-article-buffer)
7720 (or (null gnus-current-article)
7721 (not (get-buffer gnus-original-article-buffer))
7722 (not (eq gnus-current-article article))))
7724 ;; The requested article is different from the current article.
7726 (gnus-summary-display-article article all-headers)
7727 (when (gnus-buffer-live-p gnus-article-buffer)
7728 (with-current-buffer gnus-article-buffer
7729 (if (not gnus-article-decoded-p) ;; a local variable
7730 (mm-disable-multibyte))))
7731 (gnus-article-set-window-start
7732 (cdr (assq article gnus-newsgroup-bookmarks)))
7736 (defun gnus-summary-force-verify-and-decrypt ()
7737 "Display buttons for signed/encrypted parts and verify/decrypt them."
7739 (let ((mm-verify-option 'known)
7740 (mm-decrypt-option 'known)
7741 (gnus-article-emulate-mime t)
7742 (gnus-buttonized-mime-types (append (list "multipart/signed"
7743 "multipart/encrypted")
7744 gnus-buttonized-mime-types)))
7745 (gnus-summary-select-article nil 'force)))
7747 (defun gnus-summary-set-current-mark (&optional current-mark)
7748 "Obsolete function."
7751 (defun gnus-summary-next-article (&optional unread subject backward push)
7752 "Select the next article.
7753 If UNREAD, only unread articles are selected.
7754 If SUBJECT, only articles with SUBJECT are selected.
7755 If BACKWARD, the previous article is selected instead of the next."
7757 ;; Make sure we are in the summary buffer.
7758 (unless (eq major-mode 'gnus-summary-mode)
7759 (set-buffer gnus-summary-buffer))
7761 ;; Is there such an article?
7762 ((and (gnus-summary-search-forward unread subject backward)
7763 (or (gnus-summary-display-article (gnus-summary-article-number))
7764 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
7765 (gnus-summary-position-point))
7766 ;; If not, we try the first unread, if that is wanted.
7768 gnus-auto-select-same
7769 (gnus-summary-first-unread-article))
7770 (gnus-summary-position-point)
7771 (gnus-message 6 "Wrapped"))
7772 ;; Try to get next/previous article not displayed in this group.
7773 ((and gnus-auto-extend-newsgroup
7774 (not unread) (not subject))
7775 (gnus-summary-goto-article
7776 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
7777 nil (count-lines (point-min) (point))))
7778 ;; Go to next/previous group.
7780 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
7781 (gnus-summary-jump-to-group gnus-newsgroup-name))
7782 (let ((cmd (if (featurep 'xemacs)
7784 last-command-event))
7786 (with-current-buffer gnus-group-buffer
7788 (current-summary (current-buffer))
7790 (if (eq gnus-keep-same-level 'best)
7791 (gnus-summary-best-group gnus-newsgroup-name)
7792 (gnus-summary-search-group backward gnus-keep-same-level))))
7793 ;; Select next unread newsgroup automagically.
7795 ((or (not gnus-auto-select-next)
7797 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
7798 ((or (eq gnus-auto-select-next 'quietly)
7799 (and (eq gnus-auto-select-next 'slightly-quietly)
7801 (and (eq gnus-auto-select-next 'almost-quietly)
7802 (gnus-summary-last-article-p)))
7804 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
7806 (gnus-message 7 "No more%s articles (%s)..."
7807 (if unread " unread" "")
7808 (if group (concat "selecting " group)
7810 (gnus-summary-next-group nil group backward)))
7812 (when (gnus-key-press-event-p last-input-event)
7813 ;; Somehow or other, we may now have selected a different
7814 ;; window. Make point go back to the summary buffer.
7815 (when (eq current-summary (current-buffer))
7816 ;; FIXME: This burps when get-buffer-window returns nil.
7817 (select-window (get-buffer-window current-summary 0)))
7818 (gnus-summary-walk-group-buffer
7819 gnus-newsgroup-name cmd unread backward point))))))))
7821 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
7822 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
7823 (?\C-p (gnus-group-prev-unread-group 1))))
7824 (cursor-in-echo-area t)
7825 keve key group ended prompt)
7826 (with-current-buffer gnus-group-buffer
7829 (if (eq gnus-keep-same-level 'best)
7830 (gnus-summary-best-group gnus-newsgroup-name)
7831 (gnus-summary-search-group backward gnus-keep-same-level))))
7835 "No more%s articles%s " (if unread " unread" "")
7837 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
7838 (format " (Type %s for %s [%s])"
7839 (single-key-description cmd)
7840 (gnus-group-decoded-name group)
7841 (gnus-group-unread group))
7842 (format " (Type %s to exit %s)"
7843 (single-key-description cmd)
7844 (gnus-group-decoded-name gnus-newsgroup-name)))))
7845 ;; Confirm auto selection.
7846 (setq key (car (setq keve (gnus-read-event-char prompt)))
7849 ((assq key keystrokes)
7850 (let ((obuf (current-buffer)))
7851 (switch-to-buffer gnus-group-buffer)
7853 (gnus-group-jump-to-group group))
7854 (eval (cadr (assq key keystrokes)))
7855 (setq group (gnus-group-group-name))
7856 (switch-to-buffer obuf))
7860 (gnus-ephemeral-group-p gnus-newsgroup-name))
7862 (gnus-summary-next-group nil group backward)))
7864 (push (cdr keve) unread-command-events))))))
7866 (defun gnus-summary-next-unread-article ()
7867 "Select unread article after current one."
7869 (gnus-summary-next-article
7870 (or (not (eq gnus-summary-goto-unread 'never))
7871 (gnus-summary-last-article-p (gnus-summary-article-number)))
7872 (and gnus-auto-select-same
7873 (gnus-summary-article-subject))))
7875 (defun gnus-summary-prev-article (&optional unread subject)
7876 "Select the article before the current one.
7877 If UNREAD is non-nil, only unread articles are selected."
7879 (gnus-summary-next-article unread subject t))
7881 (defun gnus-summary-prev-unread-article ()
7882 "Select unread article before current one."
7884 (gnus-summary-prev-article
7885 (or (not (eq gnus-summary-goto-unread 'never))
7886 (gnus-summary-first-article-p (gnus-summary-article-number)))
7887 (and gnus-auto-select-same
7888 (gnus-summary-article-subject))))
7890 (defun gnus-summary-next-page (&optional lines circular stop)
7891 "Show next page of the selected article.
7892 If at the end of the current article, select the next article.
7893 LINES says how many lines should be scrolled up.
7895 If CIRCULAR is non-nil, go to the start of the article instead of
7896 selecting the next article when reaching the end of the current
7899 If STOP is non-nil, just stop when reaching the end of the message.
7901 Also see the variable `gnus-article-skip-boring'."
7903 (setq gnus-summary-buffer (current-buffer))
7904 (gnus-set-global-variables)
7905 (let ((article (gnus-summary-article-number))
7906 (article-window (get-buffer-window gnus-article-buffer t))
7908 ;; If the buffer is empty, we have no article.
7910 (error "No article to select"))
7911 (gnus-configure-windows 'article)
7912 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
7913 (if (and (eq gnus-summary-goto-unread 'never)
7914 (not (gnus-summary-last-article-p article)))
7915 (gnus-summary-next-article)
7916 (gnus-summary-next-unread-article))
7917 (if (or (null gnus-current-article)
7918 (null gnus-article-current)
7919 (/= article (cdr gnus-article-current))
7920 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7921 ;; Selected subject is different from current article's.
7922 (gnus-summary-display-article article)
7923 (when article-window
7924 (gnus-eval-in-buffer-window gnus-article-buffer
7925 (setq endp (or (gnus-article-next-page lines)
7926 (gnus-article-only-boring-p))))
7928 (cond ((or stop gnus-summary-stop-at-end-of-message)
7929 (gnus-message 3 "End of message"))
7931 (gnus-summary-beginning-of-article))
7933 (gnus-message 3 "End of message"))
7935 (if (and (eq gnus-summary-goto-unread 'never)
7936 (not (gnus-summary-last-article-p article)))
7937 (gnus-summary-next-article)
7938 (gnus-summary-next-unread-article))))))))
7939 (gnus-summary-recenter)
7940 (gnus-summary-position-point)))
7942 (defun gnus-summary-prev-page (&optional lines move)
7943 "Show previous page of selected article.
7944 Argument LINES specifies lines to be scrolled down.
7945 If MOVE, move to the previous unread article if point is at
7946 the beginning of the buffer."
7948 (let ((article (gnus-summary-article-number))
7949 (article-window (get-buffer-window gnus-article-buffer t))
7951 (gnus-configure-windows 'article)
7952 (if (or (null gnus-current-article)
7953 (null gnus-article-current)
7954 (/= article (cdr gnus-article-current))
7955 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7956 ;; Selected subject is different from current article's.
7957 (gnus-summary-display-article article)
7958 (gnus-summary-recenter)
7959 (when article-window
7960 (gnus-eval-in-buffer-window gnus-article-buffer
7961 (setq endp (gnus-article-prev-page lines)))
7962 (when (and move endp)
7964 (gnus-message 3 "Beginning of message"))
7966 (if (and (eq gnus-summary-goto-unread 'never)
7967 (not (gnus-summary-first-article-p article)))
7968 (gnus-summary-prev-article)
7969 (gnus-summary-prev-unread-article))))))))
7970 (gnus-summary-position-point))
7972 (defun gnus-summary-prev-page-or-article (&optional lines)
7973 "Show previous page of selected article.
7974 Argument LINES specifies lines to be scrolled down.
7975 If at the beginning of the article, go to the next article."
7977 (gnus-summary-prev-page lines t))
7979 (defun gnus-summary-scroll-up (lines)
7980 "Scroll up (or down) one line current article.
7981 Argument LINES specifies lines to be scrolled up (or down if negative).
7982 If no article is selected, then the current article will be selected first."
7984 (gnus-configure-windows 'article)
7985 (gnus-summary-show-thread)
7986 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
7987 (gnus-eval-in-buffer-window gnus-article-buffer
7989 (when (gnus-article-next-page lines)
7990 (gnus-message 3 "End of message")))
7992 (gnus-article-prev-page (- lines))))))
7993 (gnus-summary-recenter)
7994 (gnus-summary-position-point))
7996 (defun gnus-summary-scroll-down (lines)
7997 "Scroll down (or up) one line current article.
7998 Argument LINES specifies lines to be scrolled down (or up if negative).
7999 If no article is selected, then the current article will be selected first."
8001 (gnus-summary-scroll-up (- lines)))
8003 (defun gnus-summary-next-same-subject ()
8004 "Select next article which has the same subject as current one."
8006 (gnus-summary-next-article nil (gnus-summary-article-subject)))
8008 (defun gnus-summary-prev-same-subject ()
8009 "Select previous article which has the same subject as current one."
8011 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
8013 (defun gnus-summary-next-unread-same-subject ()
8014 "Select next unread article which has the same subject as current one."
8016 (gnus-summary-next-article t (gnus-summary-article-subject)))
8018 (defun gnus-summary-prev-unread-same-subject ()
8019 "Select previous unread article which has the same subject as current one."
8021 (gnus-summary-prev-article t (gnus-summary-article-subject)))
8023 (defun gnus-summary-first-unread-article ()
8024 "Select the first unread article.
8025 Return nil if there are no unread articles."
8028 (when (gnus-summary-first-subject t)
8029 (gnus-summary-show-thread)
8030 (gnus-summary-first-subject t)
8031 (gnus-summary-display-article (gnus-summary-article-number)))
8032 (gnus-summary-position-point)))
8034 (defun gnus-summary-first-unread-subject ()
8035 "Place the point on the subject line of the first unread article.
8036 Return nil if there are no unread articles."
8039 (when (gnus-summary-first-subject t)
8040 (gnus-summary-show-thread)
8041 (gnus-summary-first-subject t))
8042 (gnus-summary-position-point)))
8044 (defun gnus-summary-first-unseen-subject ()
8045 "Place the point on the subject line of the first unseen article.
8046 Return nil if there are no unseen articles."
8049 (when (gnus-summary-first-subject nil nil t)
8050 (gnus-summary-show-thread)
8051 (gnus-summary-first-subject nil nil t))
8052 (gnus-summary-position-point)))
8054 (defun gnus-summary-first-unseen-or-unread-subject ()
8055 "Place the point on the subject line of the first unseen and unread article.
8056 If all article have been seen, on the subject line of the first unread
8060 (unless (when (gnus-summary-first-subject nil nil t)
8061 (gnus-summary-show-thread)
8062 (gnus-summary-first-subject nil nil t))
8063 (when (gnus-summary-first-subject t)
8064 (gnus-summary-show-thread)
8065 (gnus-summary-first-subject t)))
8066 (gnus-summary-position-point)))
8068 (defun gnus-summary-first-article ()
8069 "Select the first article.
8070 Return nil if there are no articles."
8073 (when (gnus-summary-first-subject)
8074 (gnus-summary-show-thread)
8075 (gnus-summary-first-subject)
8076 (gnus-summary-display-article (gnus-summary-article-number)))
8077 (gnus-summary-position-point)))
8079 (defun gnus-summary-best-unread-article (&optional arg)
8080 "Select the unread article with the highest score.
8081 If given a prefix argument, select the next unread article that has a
8082 score higher than the default score."
8084 (let ((article (if arg
8085 (gnus-summary-better-unread-subject)
8086 (gnus-summary-best-unread-subject))))
8088 (gnus-summary-goto-article article)
8089 (error "No unread articles"))))
8091 (defun gnus-summary-best-unread-subject ()
8092 "Select the unread subject with the highest score."
8094 (let ((best -1000000)
8095 (data gnus-newsgroup-data)
8098 (and (gnus-data-unread-p (car data))
8100 (gnus-summary-article-score (gnus-data-number (car data))))
8103 article (gnus-data-number (car data))))
8104 (setq data (cdr data)))
8106 (gnus-summary-goto-subject article))
8107 (gnus-summary-position-point)
8110 (defun gnus-summary-better-unread-subject ()
8111 "Select the first unread subject that has a score over the default score."
8113 (let ((data gnus-newsgroup-data)
8115 (while (and (setq article (gnus-data-number (car data)))
8116 (or (gnus-data-read-p (car data))
8117 (not (> (gnus-summary-article-score article)
8118 gnus-summary-default-score))))
8119 (setq data (cdr data)))
8121 (gnus-summary-goto-subject article))
8122 (gnus-summary-position-point)
8125 (defun gnus-summary-last-subject ()
8126 "Go to the last displayed subject line in the group."
8127 (let ((article (gnus-data-number (car (gnus-data-list t)))))
8129 (gnus-summary-goto-subject article))))
8131 (defun gnus-summary-goto-article (article &optional all-headers force)
8132 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
8133 If ALL-HEADERS is non-nil, no header lines are hidden.
8134 If FORCE, go to the article even if it isn't displayed. If FORCE
8135 is a number, it is the line the article is to be displayed on."
8138 (gnus-completing-read
8139 "Article number or Message-ID"
8140 (mapcar 'int-to-string gnus-newsgroup-limit))
8144 (if (and (stringp article)
8145 (string-match "@\\|%40" article))
8146 (gnus-summary-refer-article article)
8147 (when (stringp article)
8148 (setq article (string-to-number article)))
8149 (if (gnus-summary-goto-subject article force)
8150 (gnus-summary-display-article article all-headers)
8151 (gnus-message 4 "Couldn't go to article %s" article) nil))
8152 (gnus-summary-position-point)))
8154 (defun gnus-summary-goto-last-article ()
8155 "Go to the previously read article."
8158 (when gnus-last-article
8159 (gnus-summary-goto-article gnus-last-article nil t))
8160 (gnus-summary-position-point)))
8162 (defun gnus-summary-pop-article (number)
8163 "Pop one article off the history and go to the previous.
8164 NUMBER articles will be popped off."
8167 (setq gnus-newsgroup-history
8168 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
8170 (gnus-summary-goto-article (car to) nil t)
8171 (error "Article history empty")))
8172 (gnus-summary-position-point))
8174 ;; Summary commands and functions for limiting the summary buffer.
8176 (defun gnus-summary-limit-to-articles (n)
8177 "Limit the summary buffer to the next N articles.
8178 If not given a prefix, use the process marked articles instead."
8181 (let ((articles (gnus-summary-work-articles n)))
8182 (setq gnus-newsgroup-processable nil)
8183 (gnus-summary-limit articles))
8184 (gnus-summary-position-point)))
8186 (defun gnus-summary-pop-limit (&optional total)
8187 "Restore the previous limit.
8188 If given a prefix, remove all limits."
8191 (setq gnus-newsgroup-limits
8192 (list (mapcar (lambda (h) (mail-header-number h))
8193 gnus-newsgroup-headers))))
8194 (unless gnus-newsgroup-limits
8195 (error "No limit to pop"))
8197 (gnus-summary-limit nil 'pop)
8198 (gnus-summary-position-point)))
8200 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
8201 "Limit the summary buffer to articles that have subjects that match a regexp.
8202 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
8204 (list (read-string (if current-prefix-arg
8205 "Exclude subject (regexp): "
8206 "Limit to subject (regexp): "))
8207 nil current-prefix-arg))
8209 (setq header "subject"))
8210 (when (not (equal "" subject))
8212 (let ((articles (gnus-summary-find-matching
8213 (or header "subject") subject 'all nil nil
8216 (error "Found no matches for \"%s\"" subject))
8217 (gnus-summary-limit articles))
8218 (gnus-summary-position-point))))
8220 (defun gnus-summary-limit-to-author (from &optional not-matching)
8221 "Limit the summary buffer to articles that have authors that match a regexp.
8222 If NOT-MATCHING, excluding articles that have authors that match a regexp."
8224 (list (read-string (if current-prefix-arg
8225 "Exclude author (regexp): "
8226 "Limit to author (regexp): "))
8227 current-prefix-arg))
8228 (gnus-summary-limit-to-subject from "from" not-matching))
8230 (defun gnus-summary-limit-to-recipient (recipient &optional not-matching)
8231 "Limit the summary buffer to articles with the given RECIPIENT.
8233 If NOT-MATCHING, exclude RECIPIENT.
8235 To and Cc headers are checked. You need to include them in
8236 `nnmail-extra-headers'."
8237 ;; Unlike `rmail-summary-by-recipients', doesn't include From.
8239 (list (read-string (format "%s recipient (regexp): "
8240 (if current-prefix-arg "Exclude" "Limit to")))
8241 current-prefix-arg))
8242 (when (not (equal "" recipient))
8244 (if (memq 'To nnmail-extra-headers)
8245 (gnus-summary-find-matching
8246 (cons 'extra 'To) recipient 'all nil nil
8249 1 "`To' isn't present in `nnmail-extra-headers'")
8253 (if (memq 'Cc nnmail-extra-headers)
8254 (gnus-summary-find-matching
8255 (cons 'extra 'Cc) recipient 'all nil nil
8258 1 "`Cc' isn't present in `nnmail-extra-headers'")
8263 ;; We need the numbers that are in both lists:
8265 (and (memq a to) a))
8269 (error "Found no matches for \"%s\"" recipient))
8270 (gnus-summary-limit articles))
8271 (gnus-summary-position-point))))
8273 (defun gnus-summary-limit-to-address (address &optional not-matching)
8274 "Limit the summary buffer to articles with the given ADDRESS.
8276 If NOT-MATCHING, exclude ADDRESS.
8278 To, Cc and From headers are checked. You need to include `To' and `Cc'
8279 in `nnmail-extra-headers'."
8281 (list (read-string (format "%s address (regexp): "
8282 (if current-prefix-arg "Exclude" "Limit to")))
8283 current-prefix-arg))
8284 (when (not (equal "" address))
8286 (if (memq 'To nnmail-extra-headers)
8287 (gnus-summary-find-matching
8288 (cons 'extra 'To) address 'all nil nil
8291 1 "`To' isn't present in `nnmail-extra-headers'")
8295 (if (memq 'Cc nnmail-extra-headers)
8296 (gnus-summary-find-matching
8297 (cons 'extra 'Cc) address 'all nil nil
8300 1 "`Cc' isn't present in `nnmail-extra-headers'")
8304 (gnus-summary-find-matching "from" address
8305 'all nil nil not-matching))
8308 ;; We need the numbers that are in all lists:
8312 (mapcar (lambda (a) (car (memq a from))) to))
8314 (mapcar (lambda (a) (car (memq a from))) cc)
8315 (mapcar (lambda (a) (car (memq a from)))
8316 (mapcar (lambda (a) (car (memq a to)))
8318 (nconc (if (eq to t) nil to)
8319 (if (eq cc t) nil cc)
8322 (error "Found no matches for \"%s\"" address))
8323 (gnus-summary-limit articles))
8324 (gnus-summary-position-point))))
8326 (defun gnus-summary-limit-strange-charsets-predicate (header)
8327 (when (fboundp 'char-charset)
8328 (let ((string (concat (mail-header-subject header)
8329 (mail-header-from header)))
8331 (dotimes (i (1- (length string)))
8332 (setq charset (format "%s" (char-charset (aref string (1+ i)))))
8333 (when (string-match "unicode\\|big\\|japanese" charset)
8337 (defun gnus-summary-limit-to-predicate (predicate)
8338 "Limit to articles where PREDICATE returns non-nil.
8339 PREDICATE will be called with the header structures of the
8341 (let ((articles nil)
8342 (case-fold-search t))
8343 (dolist (header gnus-newsgroup-headers)
8344 (when (funcall predicate header)
8345 (push (mail-header-number header) articles)))
8346 (gnus-summary-limit (nreverse articles))))
8348 (defun gnus-summary-limit-to-age (age &optional younger-p)
8349 "Limit the summary buffer to articles that are older than (or equal) AGE days.
8350 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
8351 articles that are younger than AGE days."
8353 (let ((younger current-prefix-arg)
8356 (while (not days-got)
8357 (setq days (if younger
8358 (read-string "Limit to articles younger than (in days, older when negative): ")
8360 "Limit to articles older than (in days, younger when negative): ")))
8361 (when (> (length days) 0)
8362 (setq days (read days)))
8367 (setq younger (not younger))
8368 (setq days (* days -1))))
8369 (message "Please enter a number.")
8371 (list days younger)))
8373 (let ((data gnus-newsgroup-data)
8374 (cutoff (days-to-time age))
8375 articles d date is-younger)
8376 (while (setq d (pop data))
8377 (when (and (vectorp (gnus-data-header d))
8378 (setq date (mail-header-date (gnus-data-header d))))
8379 (setq is-younger (time-less-p
8380 (time-since (gnus-date-get-time date))
8385 (push (gnus-data-number d) articles))))
8386 (gnus-summary-limit (nreverse articles)))
8387 (gnus-summary-position-point)))
8389 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
8390 "Limit the summary buffer to articles that match an 'extra' header."
8394 (gnus-completing-read
8395 (if current-prefix-arg
8396 "Exclude extra header"
8397 "Limit extra header")
8398 (mapcar 'symbol-name gnus-extra-headers)
8400 (symbol-name (car gnus-extra-headers))))))
8402 (read-string (format "%s header %s (regexp): "
8403 (if current-prefix-arg "Exclude" "Limit to")
8405 current-prefix-arg)))
8406 (when (not (equal "" regexp))
8408 (let ((articles (gnus-summary-find-matching
8409 (cons 'extra header) regexp 'all nil nil
8412 (error "Found no matches for \"%s\"" regexp))
8413 (gnus-summary-limit articles))
8414 (gnus-summary-position-point))))
8416 (defun gnus-summary-limit-to-display-predicate ()
8417 "Limit the summary buffer to the predicated in the `display' group parameter."
8419 (unless gnus-newsgroup-display
8420 (error "There is no `display' group parameter"))
8422 (dolist (gnus-number gnus-newsgroup-articles)
8423 (when (funcall gnus-newsgroup-display)
8424 (push gnus-number articles)))
8425 (gnus-summary-limit articles))
8426 (gnus-summary-position-point))
8428 (defun gnus-summary-limit-to-unread (&optional all)
8429 "Limit the summary buffer to articles that are not marked as read.
8430 If ALL is non-nil, limit strictly to unread articles."
8433 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
8434 (gnus-summary-limit-to-marks
8435 ;; Concat all the marks that say that an article is read and have
8437 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
8438 gnus-killed-mark gnus-spam-mark gnus-kill-file-mark
8439 gnus-low-score-mark gnus-expirable-mark
8440 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
8441 gnus-duplicate-mark)
8444 (defun gnus-summary-limit-to-headers (match &optional reverse)
8445 "Limit the summary buffer to articles that have headers that match MATCH.
8446 If REVERSE (the prefix), limit to articles that don't match."
8447 (interactive "sMatch headers (regexp): \nP")
8448 (gnus-summary-limit-to-bodies match reverse t))
8450 (defun gnus-summary-limit-to-bodies (match &optional reverse headersp)
8451 "Limit the summary buffer to articles that have bodies that match MATCH.
8452 If REVERSE (the prefix), limit to articles that don't match."
8453 (interactive "sMatch body (regexp): \nP")
8454 (let ((articles nil)
8455 (gnus-select-article-hook nil) ;Disable hook.
8456 (gnus-article-prepare-hook nil)
8457 (gnus-use-article-prefetch nil)
8458 (gnus-keep-backlog nil)
8459 (gnus-break-pages nil)
8460 (gnus-summary-display-arrow nil)
8461 (gnus-updated-mode-lines nil)
8462 (gnus-auto-center-summary nil)
8463 (gnus-display-mime-function nil))
8464 (dolist (data gnus-newsgroup-data)
8465 (let (gnus-mark-article-hook)
8466 (gnus-summary-select-article t t nil (gnus-data-number data)))
8467 (with-current-buffer gnus-article-buffer
8469 (let* ((case-fold-search t)
8471 (re-search-backward match nil t)
8472 (re-search-forward match nil t))))
8473 (when (or (and found
8477 (push (gnus-data-number data) articles)))))
8479 (message "No messages matched")
8480 (gnus-summary-limit articles)))
8481 (gnus-summary-position-point))
8483 (defun gnus-summary-limit-to-singletons (&optional threadsp)
8484 "Limit the summary buffer to articles that aren't part on any thread.
8485 If THREADSP (the prefix), limit to articles that are in threads."
8487 (let ((articles nil)
8490 (dolist (thread gnus-newsgroup-threads)
8491 (if (stringp (car thread))
8492 (dolist (thread (cdr thread))
8493 (push thread threads))
8494 (push thread threads)))
8495 (dolist (thread threads)
8496 (setq thread-articles (gnus-articles-in-thread thread))
8497 (when (or (and threadsp
8498 (> (length thread-articles) 1))
8500 (= (length thread-articles) 1)))
8501 (setq articles (nconc thread-articles articles))))
8503 (message "No messages matched")
8504 (gnus-summary-limit articles))
8505 (gnus-summary-position-point)))
8507 (defun gnus-summary-limit-to-replied (&optional unreplied)
8508 "Limit the summary buffer to replied articles.
8509 If UNREPLIED (the prefix), limit to unreplied articles."
8513 (gnus-set-difference gnus-newsgroup-articles
8514 gnus-newsgroup-replied))
8515 (gnus-summary-limit gnus-newsgroup-replied))
8516 (gnus-summary-position-point))
8518 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
8519 "Exclude articles that are marked with MARKS (e.g. \"DK\").
8520 If REVERSE, limit the summary buffer to articles that are marked
8521 with MARKS. MARKS can either be a string of marks or a list of marks.
8522 Returns how many articles were removed."
8523 (interactive "sMarks: ")
8524 (gnus-summary-limit-to-marks marks t))
8526 (defun gnus-summary-limit-to-marks (marks &optional reverse)
8527 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
8528 If REVERSE (the prefix), limit the summary buffer to articles that are
8529 not marked with MARKS. MARKS can either be a string of marks or a
8531 Returns how many articles were removed."
8532 (interactive "sMarks: \nP")
8534 (let ((data gnus-newsgroup-data)
8535 (marks (if (listp marks) marks
8536 (append marks nil))) ; Transform to list.
8539 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
8540 (memq (gnus-data-mark (car data)) marks))
8541 (push (gnus-data-number (car data)) articles))
8542 (setq data (cdr data)))
8543 (gnus-summary-limit articles))
8544 (gnus-summary-position-point)))
8546 (defun gnus-summary-limit-to-score (score)
8547 "Limit to articles with score at or above SCORE."
8548 (interactive "NLimit to articles with score of at least: ")
8549 (let ((data gnus-newsgroup-data)
8552 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
8554 (push (gnus-data-number (car data)) articles))
8555 (setq data (cdr data)))
8557 (gnus-summary-limit articles)
8558 (gnus-summary-position-point))))
8560 (defun gnus-summary-limit-to-unseen ()
8561 "Limit to unseen articles."
8564 (gnus-summary-limit gnus-newsgroup-unseen)
8565 (gnus-summary-position-point)))
8567 (defun gnus-summary-limit-include-thread (id)
8568 "Display all the hidden articles that is in the thread with ID in it.
8569 When called interactively, ID is the Message-ID of the current
8571 (interactive (list (mail-header-id (gnus-summary-article-header))))
8572 (let ((articles (gnus-articles-in-thread
8573 (gnus-id-to-thread (gnus-root-id id))))
8574 ;;we REALLY want the whole thread---this prevents cut-threads
8575 ;;from removing the thread we want to include.
8576 (gnus-fetch-old-headers nil)
8577 (gnus-build-sparse-threads nil))
8579 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
8580 (gnus-summary-limit-include-matching-articles
8582 (regexp-quote (gnus-simplify-subject-re
8583 (mail-header-subject (gnus-id-to-header id)))))
8584 (gnus-summary-position-point))))
8586 (defun gnus-summary-limit-include-matching-articles (header regexp)
8587 "Display all the hidden articles that have HEADERs that match REGEXP."
8588 (interactive (list (read-string "Match on header: ")
8589 (read-string "Regexp: ")))
8590 (let ((articles (gnus-find-matching-articles header regexp)))
8592 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
8593 (gnus-summary-position-point))))
8595 (defun gnus-summary-insert-dormant-articles ()
8596 "Insert all the dormant articles for this group into the current buffer."
8598 (let ((gnus-verbose (max 6 gnus-verbose)))
8599 (if (not gnus-newsgroup-dormant)
8600 (gnus-message 3 "No dormant articles for this group")
8601 (gnus-summary-goto-subjects gnus-newsgroup-dormant))))
8603 (defun gnus-summary-insert-ticked-articles ()
8604 "Insert ticked articles for this group into the current buffer."
8606 (let ((gnus-verbose (max 6 gnus-verbose)))
8607 (if (not gnus-newsgroup-marked)
8608 (gnus-message 3 "No ticked articles for this group")
8609 (gnus-summary-goto-subjects gnus-newsgroup-marked))))
8611 (defun gnus-summary-limit-include-dormant ()
8612 "Display all the hidden articles that are marked as dormant.
8613 Note that this command only works on a subset of the articles currently
8614 fetched for this group."
8616 (unless gnus-newsgroup-dormant
8617 (error "There are no dormant articles in this group"))
8619 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
8620 (gnus-summary-position-point)))
8622 (defun gnus-summary-include-articles (articles)
8623 "Fetch the headers for ARTICLES and then display the summary lines."
8624 (let ((gnus-inhibit-demon t)
8626 (gnus-read-all-available-headers t))
8627 (setq gnus-newsgroup-headers
8629 'list gnus-newsgroup-headers
8630 (gnus-fetch-headers articles nil t)
8631 'gnus-article-sort-by-number))
8632 (gnus-summary-limit (append articles gnus-newsgroup-limit))))
8634 (defun gnus-summary-limit-exclude-dormant ()
8635 "Hide all dormant articles."
8638 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
8639 (gnus-summary-position-point)))
8641 (defun gnus-summary-limit-exclude-childless-dormant ()
8642 "Hide all dormant articles that have no children."
8644 (let ((data (gnus-data-list t))
8645 articles d children)
8646 ;; Find all articles that are either not dormant or have
8648 (while (setq d (pop data))
8649 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
8651 (gnus-article-children (gnus-data-number d)))
8654 (when (memq (car children) articles)
8659 (push (gnus-data-number d) articles)))
8662 (gnus-summary-limit articles)
8663 (gnus-summary-position-point))))
8665 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
8666 "Mark all unread excluded articles as read.
8667 If ALL, mark even excluded ticked and dormants as read."
8669 (setq gnus-newsgroup-limit (sort gnus-newsgroup-limit '<))
8670 (let ((articles (gnus-sorted-ndifference
8672 (mapcar (lambda (h) (mail-header-number h))
8673 gnus-newsgroup-headers)
8675 gnus-newsgroup-limit))
8677 (setq gnus-newsgroup-unreads
8678 (gnus-sorted-intersection gnus-newsgroup-unreads
8679 gnus-newsgroup-limit))
8681 (setq gnus-newsgroup-dormant nil
8682 gnus-newsgroup-marked nil
8683 gnus-newsgroup-reads
8685 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
8686 gnus-newsgroup-reads))
8687 (while (setq article (pop articles))
8688 (unless (or (memq article gnus-newsgroup-dormant)
8689 (memq article gnus-newsgroup-marked))
8690 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
8692 (defun gnus-summary-limit (articles &optional pop)
8694 ;; We pop the previous limit off the stack and use that.
8695 (setq articles (car gnus-newsgroup-limits)
8696 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
8697 ;; We use the new limit, so we push the old limit on the stack.
8698 (push gnus-newsgroup-limit gnus-newsgroup-limits))
8700 (setq gnus-newsgroup-limit articles)
8701 (let ((total (length gnus-newsgroup-data))
8702 (data (gnus-data-find-list (gnus-summary-article-number)))
8703 (gnus-summary-mark-below nil) ; Inhibit this.
8705 ;; This will do all the work of generating the new summary buffer
8706 ;; according to the new limit.
8707 (gnus-summary-prepare)
8708 ;; Hide any threads, possibly.
8709 (gnus-summary-maybe-hide-threads)
8710 ;; Try to return to the article you were at, or one in the
8713 ;; We try to find some article after the current one.
8715 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
8718 (setq data (cdr data))))
8720 ;; If there is no data, that means that we were after the last
8721 ;; article. The same goes when we can't find any articles
8722 ;; after the current one.
8723 (goto-char (point-max))
8724 (gnus-summary-find-prev))
8725 (gnus-set-mode-line 'summary)
8726 ;; We return how many articles were removed from the summary
8727 ;; buffer as a result of the new limit.
8728 (- total (length gnus-newsgroup-data))))
8730 (defsubst gnus-invisible-cut-children (threads)
8733 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
8738 (defsubst gnus-cut-thread (thread)
8739 "Go forwards in the thread until we find an article that we want to display."
8740 (when (or (eq gnus-fetch-old-headers 'some)
8741 (eq gnus-fetch-old-headers 'invisible)
8742 (numberp gnus-fetch-old-headers)
8743 (eq gnus-build-sparse-threads 'some)
8744 (eq gnus-build-sparse-threads 'more))
8745 ;; Deal with old-fetched headers and sparse threads.
8749 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
8750 (gnus-summary-article-ancient-p
8751 (mail-header-number (car thread))))
8752 (if (or (<= (length (cdr thread)) 1)
8753 (eq gnus-fetch-old-headers 'invisible))
8754 (setq gnus-newsgroup-limit
8755 (delq (mail-header-number (car thread))
8756 gnus-newsgroup-limit)
8757 thread (cadr thread))
8758 (when (gnus-invisible-cut-children (cdr thread))
8759 (let ((th (cdr thread)))
8761 (if (memq (mail-header-number (caar th))
8762 gnus-newsgroup-limit)
8763 (setq thread (car th)
8765 (setq th (cdr th))))))))))
8768 (defun gnus-cut-threads (threads)
8769 "Cut off all uninteresting articles from the beginning of THREADS."
8770 (when (or (eq gnus-fetch-old-headers 'some)
8771 (eq gnus-fetch-old-headers 'invisible)
8772 (numberp gnus-fetch-old-headers)
8773 (eq gnus-build-sparse-threads 'some)
8774 (eq gnus-build-sparse-threads 'more))
8777 (setcar th (gnus-cut-thread (car th)))
8778 (setq th (cdr th)))))
8779 ;; Remove nixed out threads.
8782 (defun gnus-summary-initial-limit (&optional show-if-empty)
8783 "Figure out what the initial limit is supposed to be on group entry.
8784 This entails weeding out unwanted dormants, low-scored articles,
8785 fetch-old-headers verbiage, and so on."
8786 ;; Most groups have nothing to remove.
8787 (unless (or gnus-inhibit-limiting
8788 (and (null gnus-newsgroup-dormant)
8789 (eq gnus-newsgroup-display 'gnus-not-ignore)
8790 (not (eq gnus-fetch-old-headers 'some))
8791 (not (numberp gnus-fetch-old-headers))
8792 (not (eq gnus-fetch-old-headers 'invisible))
8793 (null gnus-summary-expunge-below)
8794 (not (eq gnus-build-sparse-threads 'some))
8795 (not (eq gnus-build-sparse-threads 'more))
8796 (null gnus-thread-expunge-below)))
8797 (push gnus-newsgroup-limit gnus-newsgroup-limits)
8798 (setq gnus-newsgroup-limit nil)
8801 (unless (car (symbol-value node))
8802 ;; These threads have no parents -- they are roots.
8803 (let ((nodes (cdr (symbol-value node)))
8806 (if (and gnus-thread-expunge-below
8807 (< (gnus-thread-total-score (car nodes))
8808 gnus-thread-expunge-below))
8809 (gnus-expunge-thread (pop nodes))
8810 (setq thread (pop nodes))
8811 (gnus-summary-limit-children thread))))))
8812 gnus-newsgroup-dependencies)
8813 ;; If this limitation resulted in an empty group, we might
8814 ;; pop the previous limit and use it instead.
8815 (when (and (not gnus-newsgroup-limit)
8817 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
8818 gnus-newsgroup-limit))
8820 (defun gnus-summary-limit-children (thread)
8821 "Return 1 if this subthread is visible and 0 if it is not."
8822 ;; First we get the number of visible children to this thread. This
8823 ;; is done by recursing down the thread using this function, so this
8824 ;; will really go down to a leaf article first, before slowly
8825 ;; working its way up towards the root.
8827 (let* ((max-lisp-eval-depth (max 5000 max-lisp-eval-depth))
8830 (apply '+ (mapcar 'gnus-summary-limit-children
8833 (number (mail-header-number (car thread)))
8836 (not (memq number gnus-newsgroup-marked))
8838 ;; If this article is dormant and has absolutely no visible
8839 ;; children, then this article isn't visible.
8840 (and (memq number gnus-newsgroup-dormant)
8842 ;; If this is "fetch-old-headered" and there is no
8843 ;; visible children, then we don't want this article.
8844 (and (or (eq gnus-fetch-old-headers 'some)
8845 (numberp gnus-fetch-old-headers))
8846 (gnus-summary-article-ancient-p number)
8848 ;; If this is "fetch-old-headered" and `invisible', then
8849 ;; we don't want this article.
8850 (and (eq gnus-fetch-old-headers 'invisible)
8851 (gnus-summary-article-ancient-p number))
8852 ;; If this is a sparsely inserted article with no children,
8853 ;; we don't want it.
8854 (and (eq gnus-build-sparse-threads 'some)
8855 (gnus-summary-article-sparse-p number)
8857 ;; If we use expunging, and this article is really
8858 ;; low-scored, then we don't want this article.
8859 (when (and gnus-summary-expunge-below
8861 (or (cdr (assq number gnus-newsgroup-scored))
8862 gnus-summary-default-score))
8863 gnus-summary-expunge-below))
8864 ;; We increase the expunge-tally here, but that has
8865 ;; nothing to do with the limits, really.
8866 (incf gnus-newsgroup-expunged-tally)
8867 ;; We also mark as read here, if that's wanted.
8868 (when (and gnus-summary-mark-below
8869 (< score gnus-summary-mark-below))
8870 (setq gnus-newsgroup-unreads
8871 (delq number gnus-newsgroup-unreads))
8872 (if gnus-newsgroup-auto-expire
8873 (push number gnus-newsgroup-expirable)
8874 (push (cons number gnus-low-score-mark)
8875 gnus-newsgroup-reads)))
8877 ;; Do the `display' group parameter.
8878 (and gnus-newsgroup-display
8879 (let ((gnus-number number))
8880 (not (funcall gnus-newsgroup-display))))))
8881 ;; Nope, invisible article.
8883 ;; Ok, this article is to be visible, so we add it to the limit
8885 (push number gnus-newsgroup-limit)
8888 (defun gnus-expunge-thread (thread)
8889 "Mark all articles in THREAD as read."
8890 (let* ((number (mail-header-number (car thread))))
8891 (incf gnus-newsgroup-expunged-tally)
8892 ;; We also mark as read here, if that's wanted.
8893 (setq gnus-newsgroup-unreads
8894 (delq number gnus-newsgroup-unreads))
8895 (if gnus-newsgroup-auto-expire
8896 (push number gnus-newsgroup-expirable)
8897 (push (cons number gnus-low-score-mark)
8898 gnus-newsgroup-reads)))
8899 ;; Go recursively through all subthreads.
8900 (mapcar 'gnus-expunge-thread (cdr thread)))
8902 ;; Summary article oriented commands
8904 (defun gnus-summary-refer-parent-article (n)
8905 "Refer parent article N times.
8906 If N is negative, go to ancestor -N instead.
8907 The difference between N and the number of articles fetched is returned."
8911 (when (not (natnump n))
8916 (setq header (gnus-summary-article-header))
8917 (if (and (eq (mail-header-number header)
8918 (cdr gnus-article-current))
8919 (equal gnus-newsgroup-name
8920 (car gnus-article-current)))
8921 ;; If we try to find the parent of the currently
8922 ;; displayed article, then we take a look at the actual
8923 ;; References header, since this is slightly more
8924 ;; reliable than the References field we got from the
8926 (with-current-buffer gnus-original-article-buffer
8927 (nnheader-narrow-to-headers)
8928 (unless (setq ref (message-fetch-field "references"))
8929 (when (setq ref (message-fetch-field "in-reply-to"))
8930 (setq ref (gnus-extract-message-id-from-in-reply-to ref))))
8933 ;; It's not the current article, so we take a bet on
8934 ;; the value we got from the server.
8935 (mail-header-references header)))
8937 (not (equal ref "")))
8938 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
8939 (gnus-message 1 "Couldn't find parent"))
8940 (gnus-message 1 "No references in article %d"
8941 (gnus-summary-article-number))
8944 (gnus-summary-position-point)
8947 (defun gnus-summary-refer-references ()
8948 "Fetch all articles mentioned in the References header.
8949 Return the number of articles fetched."
8951 (let ((ref (mail-header-references (gnus-summary-article-header)))
8952 (current (gnus-summary-article-number))
8956 (error "No References in the current article")
8957 ;; For each Message-ID in the References header...
8958 (while (string-match "<[^>]*>" ref)
8960 ;; ... fetch that article.
8961 (gnus-summary-refer-article
8962 (prog1 (match-string 0 ref)
8963 (setq ref (substring ref (match-end 0))))))
8964 (gnus-summary-goto-subject current)
8965 (gnus-summary-position-point)
8968 (defun gnus-delete-duplicate-headers (headers)
8969 ;; First remove leading duplicates.
8970 (while (and (> (length headers) 1)
8971 (= (mail-header-number (car headers))
8972 (mail-header-number (cadr headers))))
8975 (let ((result headers))
8976 (while (> (length headers) 1)
8977 (if (= (mail-header-number (car headers))
8978 (mail-header-number (cadr headers)))
8979 (setcdr headers (cddr headers))
8983 (defun gnus-summary-refer-thread (&optional limit)
8984 "Fetch all articles in the current thread. For backends that
8985 know how to search for threads (currently only 'nnimap) a
8986 non-numeric prefix arg will use nnir to search the entire
8987 server; without a prefix arg only the current group is
8988 searched. If the variable `gnus-refer-thread-use-nnir' is
8989 non-nil the prefix arg has the reverse meaning. If no
8990 backend-specific 'request-thread function is available fetch
8991 LIMIT (the numerical prefix) old headers. If LIMIT is
8992 non-numeric or nil fetch the number specified by the
8993 `gnus-refer-thread-limit' variable."
8995 (gnus-warp-to-article)
8996 (let* ((header (gnus-summary-article-header))
8997 (id (mail-header-id header))
8998 (gnus-inhibit-demon t)
8999 (gnus-summary-ignore-duplicates t)
9000 (gnus-read-all-available-headers t)
9001 (gnus-refer-thread-use-nnir
9002 (if (and (not (null limit)) (listp limit))
9003 (not gnus-refer-thread-use-nnir) gnus-refer-thread-use-nnir))
9005 (if (gnus-check-backend-function
9006 'request-thread gnus-newsgroup-name)
9007 (gnus-request-thread header gnus-newsgroup-name)
9008 (let* ((limit (if (numberp limit) (prefix-numeric-value limit)
9009 gnus-refer-thread-limit))
9010 (last (if (numberp limit)
9011 (min (+ (mail-header-number header)
9013 gnus-newsgroup-highest)
9014 gnus-newsgroup-highest))
9015 (subject (gnus-simplify-subject
9016 (mail-header-subject header)))
9017 (refs (split-string (or (mail-header-references header)
9019 (gnus-parse-headers-hook
9020 `(lambda () (goto-char (point-min))
9022 (regexp-opt ',(append refs (list id subject)))))))
9023 (gnus-fetch-headers (list last) (if (numberp limit)
9024 (* 2 limit) limit) t)))))
9025 (when (listp new-headers)
9026 (dolist (header new-headers)
9027 (when (member (mail-header-number header) gnus-newsgroup-unselected)
9028 (push (mail-header-number header) gnus-newsgroup-unreads)
9029 (setq gnus-newsgroup-unselected
9030 (delete (mail-header-number header)
9031 gnus-newsgroup-unselected))))
9032 (setq gnus-newsgroup-headers
9033 (gnus-delete-duplicate-headers
9035 'list gnus-newsgroup-headers new-headers
9036 'gnus-article-sort-by-number)))
9037 (gnus-summary-limit-include-thread id))))
9039 (defun gnus-summary-refer-article (message-id)
9040 "Fetch an article specified by MESSAGE-ID."
9041 (interactive "sMessage-ID: ")
9042 (gnus-warp-to-article)
9043 (when (and (stringp message-id)
9044 (not (zerop (length message-id))))
9045 (setq message-id (gnus-replace-in-string message-id " " ""))
9046 ;; Construct the correct Message-ID if necessary.
9047 ;; Suggested by tale@pawl.rpi.edu.
9048 (unless (string-match "^<" message-id)
9049 (setq message-id (concat "<" message-id)))
9050 (unless (string-match ">$" message-id)
9051 (setq message-id (concat message-id ">")))
9052 ;; People often post MIDs from URLs, so unhex it:
9053 (unless (string-match "@" message-id)
9054 (setq message-id (gnus-url-unhex-string message-id)))
9055 (let* ((header (gnus-id-to-header message-id))
9057 (gnus-summary-article-sparse-p
9058 (mail-header-number header))
9059 (memq (mail-header-number header)
9060 gnus-newsgroup-limit)))
9063 ;; If the article is present in the buffer we just go to it.
9065 (or (not (gnus-summary-article-sparse-p
9066 (mail-header-number header)))
9069 (gnus-summary-goto-article
9070 (mail-header-number header) nil t)
9072 (gnus-summary-update-article (mail-header-number header)))))
9074 ;; We fetch the article.
9076 (dolist (gnus-override-method (gnus-refer-article-methods))
9077 (when (and (gnus-check-server gnus-override-method)
9078 ;; Fetch the header,
9079 (setq number (gnus-summary-insert-subject message-id)))
9080 ;; and display the article.
9081 (gnus-summary-select-article nil nil nil number)
9083 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
9085 (defun gnus-refer-article-methods ()
9086 "Return a list of referable methods."
9088 ;; No method, so we default to current and native.
9089 ((null gnus-refer-article-method)
9090 (list gnus-current-select-method gnus-select-method))
9092 ((eq 'current gnus-refer-article-method)
9093 (list gnus-current-select-method))
9094 ;; List of select methods.
9095 ((not (and (symbolp (car gnus-refer-article-method))
9096 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
9098 (dolist (method gnus-refer-article-method)
9099 (push (if (eq 'current method)
9100 gnus-current-select-method
9101 (if (eq 'nnir (car method))
9105 (gnus-method-to-server gnus-current-select-method)))
9109 ;; One single select method.
9111 (list gnus-refer-article-method))))
9113 (defun gnus-summary-edit-parameters ()
9114 "Edit the group parameters of the current group."
9116 (gnus-group-edit-group gnus-newsgroup-name 'params))
9118 (defun gnus-summary-customize-parameters ()
9119 "Customize the group parameters of the current group."
9121 (gnus-group-customize gnus-newsgroup-name))
9123 (defun gnus-summary-enter-digest-group (&optional force)
9124 "Enter an nndoc group based on the current article.
9125 If FORCE, force a digest interpretation. If not, try to guess
9126 what the document format is.
9128 To control what happens when you exit the group, see the
9129 `gnus-auto-select-on-ephemeral-exit' variable."
9131 (let ((conf gnus-current-window-configuration))
9132 (save-window-excursion
9134 (let (gnus-article-prepare-hook
9135 gnus-display-mime-function
9137 (gnus-summary-select-article))))
9138 (setq gnus-current-window-configuration conf)
9139 (let* ((name (format "%s-%d"
9140 (gnus-group-prefixed-name
9141 gnus-newsgroup-name (list 'nndoc ""))
9142 (with-current-buffer gnus-summary-buffer
9143 gnus-current-article)))
9144 (ogroup gnus-newsgroup-name)
9145 (params (append (gnus-info-params (gnus-get-info ogroup))
9146 (list (cons 'to-group ogroup))
9147 (list (cons 'parent-group ogroup))
9148 (list (cons 'save-article-group ogroup))))
9149 (case-fold-search t)
9150 (buf (current-buffer))
9152 (with-current-buffer gnus-original-article-buffer
9153 ;; Have the digest group inherit the main mail address of
9154 ;; the parent article.
9155 (when (setq to-address (or (gnus-fetch-field "reply-to")
9156 (gnus-fetch-field "from")))
9159 (list (cons 'to-address
9160 (funcall gnus-decode-encoded-address-function
9162 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
9163 (insert-buffer-substring gnus-original-article-buffer)
9164 ;; Remove lines that may lead nndoc to misinterpret the
9167 (goto-char (point-min))
9168 (or (search-forward "\n\n" nil t) (point)))
9169 (goto-char (point-min))
9170 (delete-matching-lines "^Path:\\|^From ")
9173 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
9174 (gnus-newsgroup-ephemeral-ignored-charsets
9175 gnus-newsgroup-ignored-charsets))
9176 (gnus-group-read-ephemeral-group
9177 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
9179 ,(if force 'mbox 'guess)))
9181 `((adapt-file . ,(gnus-score-file-name gnus-newsgroup-name
9183 ;; Make all postings to this group go to the parent group.
9184 (nconc (gnus-info-params (gnus-get-info name))
9186 ;; Couldn't select this doc group.
9187 (switch-to-buffer buf)
9188 (gnus-set-global-variables)
9189 (gnus-configure-windows 'summary)
9190 (gnus-message 3 "Article couldn't be entered?"))
9191 (kill-buffer dig)))))
9193 (defun gnus-summary-read-document (n)
9194 "Open a new group based on the current article(s).
9195 This will allow you to read digests and other similar
9196 documents as newsgroups.
9197 Obeys the standard process/prefix convention."
9199 (let* ((ogroup gnus-newsgroup-name)
9200 (params (append (gnus-info-params (gnus-get-info ogroup))
9201 (list (cons 'to-group ogroup))))
9202 group egroup groups vgroup)
9203 (dolist (article (gnus-summary-work-articles n))
9204 (setq group (format "%s-%d" gnus-newsgroup-name article))
9205 (gnus-summary-remove-process-mark article)
9206 (when (gnus-summary-display-article article)
9207 (save-excursion ;;What for?
9209 (insert-buffer-substring gnus-original-article-buffer)
9210 ;; Remove some headers that may lead nndoc to make
9212 (message-narrow-to-head)
9213 (goto-char (point-min))
9214 (delete-matching-lines "^Path:\\|^From ")
9217 (gnus-group-read-ephemeral-group
9218 group `(nndoc ,group (nndoc-address ,(current-buffer))
9219 (nndoc-article-type guess))
9222 ;; Make all postings to this group go to the parent group.
9223 (nconc (gnus-info-params (gnus-get-info egroup))
9225 (push egroup groups))
9226 ;; Couldn't select this doc group.
9227 (gnus-error 3 "Article couldn't be entered"))))))
9228 ;; Now we have selected all the documents.
9231 (error "None of the articles could be interpreted as documents"))
9232 ((gnus-group-read-ephemeral-group
9233 (setq vgroup (format
9234 "nnvirtual:%s-%s" gnus-newsgroup-name
9235 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
9236 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
9238 (cons (current-buffer) 'summary)))
9240 (error "Couldn't select virtual nndoc group")))))
9242 (defun gnus-summary-widget-forward (arg)
9243 "Move point to the next field or button in the article.
9244 With optional ARG, move across that many fields."
9246 (gnus-summary-select-article)
9247 (gnus-configure-windows 'article)
9248 (select-window (gnus-get-buffer-window gnus-article-buffer))
9249 (widget-forward arg))
9251 (defun gnus-summary-isearch-article (&optional regexp-p)
9252 "Do incremental search forward on the current article.
9253 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
9255 (gnus-summary-select-article)
9256 (gnus-configure-windows 'article)
9257 (gnus-eval-in-buffer-window gnus-article-buffer
9260 (isearch-forward regexp-p))))
9262 (defun gnus-summary-repeat-search-article-forward ()
9263 "Repeat the previous search forwards."
9265 (unless gnus-last-search-regexp
9266 (error "No previous search"))
9267 (gnus-summary-search-article-forward gnus-last-search-regexp))
9269 (defun gnus-summary-repeat-search-article-backward ()
9270 "Repeat the previous search backwards."
9272 (unless gnus-last-search-regexp
9273 (error "No previous search"))
9274 (gnus-summary-search-article-forward gnus-last-search-regexp t))
9276 (defun gnus-summary-search-article-forward (regexp &optional backward)
9277 "Search for an article containing REGEXP forward.
9278 If BACKWARD, search backward instead."
9281 (format "Search article %s (regexp%s): "
9282 (if current-prefix-arg "backward" "forward")
9283 (if gnus-last-search-regexp
9284 (concat ", default " gnus-last-search-regexp)
9286 current-prefix-arg))
9287 (if (string-equal regexp "")
9288 (setq regexp (or gnus-last-search-regexp ""))
9289 (setq gnus-last-search-regexp regexp)
9290 (setq gnus-article-before-search gnus-current-article))
9291 ;; Intentionally set gnus-last-article.
9292 (setq gnus-last-article gnus-article-before-search)
9293 (let ((gnus-last-article gnus-last-article))
9294 (if (gnus-summary-search-article regexp backward)
9295 (gnus-summary-show-thread)
9296 (signal 'search-failed (list regexp)))))
9298 (defun gnus-summary-search-article-backward (regexp)
9299 "Search for an article containing REGEXP backward."
9302 (format "Search article backward (regexp%s): "
9303 (if gnus-last-search-regexp
9304 (concat ", default " gnus-last-search-regexp)
9306 (gnus-summary-search-article-forward regexp 'backward))
9308 (defun gnus-summary-search-article (regexp &optional backward)
9309 "Search for an article containing REGEXP.
9310 Optional argument BACKWARD means do search for backward.
9311 `gnus-select-article-hook' is not called during the search."
9312 ;; We have to require this here to make sure that the following
9313 ;; dynamic binding isn't shadowed by autoloading.
9314 (require 'gnus-async)
9316 (let ((gnus-select-article-hook nil) ;Disable hook.
9317 (gnus-article-prepare-hook nil)
9318 (gnus-mark-article-hook nil) ;Inhibit marking as read.
9319 (gnus-use-article-prefetch nil)
9320 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
9321 (gnus-use-trees nil) ;Inhibit updating tree buffer.
9323 (gnus-keep-backlog nil)
9324 (gnus-break-pages nil)
9325 (gnus-summary-display-arrow nil)
9326 (gnus-updated-mode-lines nil)
9327 (gnus-auto-center-summary nil)
9328 (sum (current-buffer))
9329 (gnus-display-mime-function nil)
9332 (gnus-save-hidden-threads
9333 (gnus-summary-select-article)
9334 (set-buffer gnus-article-buffer)
9335 (goto-char (window-point (get-buffer-window (current-buffer))))
9339 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
9341 (re-search-backward regexp nil t)
9342 (re-search-forward regexp nil t))
9343 ;; We found the regexp.
9348 (get-buffer-window (current-buffer))
9352 (get-buffer-window (current-buffer))
9355 (setq point (point)))
9356 ;; We didn't find it, so we go to the next article.
9359 (while (eq found 'not)
9360 (if (not (if backward (gnus-summary-find-prev)
9361 (gnus-summary-find-next)))
9362 ;; No more articles.
9364 ;; Select the next article and adjust point.
9365 (unless (gnus-summary-article-sparse-p
9366 (gnus-summary-article-number))
9368 (gnus-summary-select-article)
9369 (set-buffer gnus-article-buffer)
9371 (goto-char (if backward (point-max) (point-min))))))))
9372 (gnus-message 7 ""))
9373 ;; Return whether we found the regexp.
9374 (when (eq found 'found)
9376 (gnus-summary-show-thread)
9377 (gnus-summary-goto-subject gnus-current-article)
9378 (gnus-summary-position-point)
9381 (defun gnus-find-matching-articles (header regexp)
9382 "Return a list of all articles that match REGEXP on HEADER.
9383 This search includes all articles in the current group that Gnus has
9384 fetched headers for, whether they are displayed or not."
9385 (let ((articles nil)
9386 ;; Can't eta-reduce because it's a macro.
9387 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
9388 (case-fold-search t))
9389 (dolist (header gnus-newsgroup-headers)
9390 (when (string-match regexp (funcall func header))
9391 (push (mail-header-number header) articles)))
9392 (nreverse articles)))
9394 (defun gnus-summary-find-matching (header regexp &optional backward unread
9395 not-case-fold not-matching)
9396 "Return a list of all articles that match REGEXP on HEADER.
9397 The search stars on the current article and goes forwards unless
9398 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
9399 If UNREAD is non-nil, only unread articles will
9400 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
9401 in the comparisons. If NOT-MATCHING, return a list of all articles that
9402 not match REGEXP on HEADER."
9403 (let ((case-fold-search (not not-case-fold))
9406 (if (eq (car header) 'extra)
9409 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
9411 (error "%s is an invalid header" header))
9412 (unless (fboundp (intern (concat "mail-header-" header)))
9413 (error "%s is not a valid header" header))
9414 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
9415 (dolist (d (if (eq backward 'all)
9417 (gnus-data-find-list
9418 (gnus-summary-article-number)
9419 (gnus-data-list backward))))
9420 (when (and (or (not unread) ; We want all articles...
9421 (gnus-data-unread-p d)) ; Or just unreads.
9422 (vectorp (gnus-data-header d)) ; It's not a pseudo.
9426 (funcall func (gnus-data-header d))))
9427 (string-match regexp
9428 (funcall func (gnus-data-header d)))))
9429 (push (gnus-data-number d) articles))) ; Success!
9430 (nreverse articles)))
9432 (defun gnus-summary-execute-command (header regexp command &optional backward)
9433 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
9434 If HEADER is an empty string (or nil), the match is done on the entire
9435 article. If BACKWARD (the prefix) is non-nil, search backward instead."
9437 (list (let ((completion-ignore-case t))
9438 (gnus-completing-read
9440 (mapcar 'symbol-name
9442 '(Number Subject From Lines Date
9443 Message-ID Xref References Body)
9444 gnus-extra-headers))
9446 (read-string "Regexp: ")
9447 (read-key-sequence "Command: ")
9448 current-prefix-arg))
9449 (when (equal header "Body")
9451 ;; Hidden thread subtrees must be searched as well.
9452 (gnus-summary-show-all-threads)
9453 ;; We don't want to change current point nor window configuration.
9455 (save-window-excursion
9457 gnus-treat-strip-trailing-blank-lines
9458 gnus-treat-strip-leading-blank-lines
9459 gnus-treat-strip-multiple-blank-lines
9460 gnus-treat-hide-boring-headers
9461 gnus-treat-fold-newsgroups
9462 gnus-article-prepare-hook)
9463 (gnus-message 6 "Executing %s..." (key-description command))
9464 ;; We'd like to execute COMMAND interactively so as to give arguments.
9465 (gnus-execute header regexp
9466 `(call-interactively ',(key-binding command))
9468 (gnus-message 6 "Executing %s...done" (key-description command))))))
9470 (defun gnus-summary-beginning-of-article ()
9471 "Scroll the article back to the beginning."
9473 (gnus-summary-select-article)
9474 (gnus-configure-windows 'article)
9475 (gnus-eval-in-buffer-window gnus-article-buffer
9477 (goto-char (point-min))
9478 (when gnus-break-pages
9479 (gnus-narrow-to-page))))
9481 (defun gnus-summary-end-of-article ()
9482 "Scroll to the end of the article."
9484 (gnus-summary-select-article)
9485 (gnus-configure-windows 'article)
9486 (gnus-eval-in-buffer-window gnus-article-buffer
9488 (goto-char (point-max))
9490 (when gnus-break-pages
9491 (gnus-narrow-to-page))))
9493 (defun gnus-summary-print-truncate-and-quote (string &optional len)
9494 "Truncate to LEN and quote all \"(\"'s in STRING."
9495 (gnus-replace-in-string (if (and len (> (length string) len))
9496 (substring string 0 len)
9500 (defun gnus-summary-print-article (&optional filename n)
9501 "Generate and print a PostScript image of the process-marked (mail) articles.
9503 If used interactively, print the current article if none are
9504 process-marked. With prefix arg, prompt the user for the name of the
9507 When used from Lisp, accept two optional args FILENAME and N. N means
9508 to print the next N articles. If N is negative, print the N previous
9509 articles. If N is nil and articles have been marked with the process
9510 mark, print these instead.
9512 If the optional first argument FILENAME is nil, send the image to the
9513 printer. If FILENAME is a string, save the PostScript image in a file with
9514 that name. If FILENAME is a number, prompt the user for the name of the file
9516 (interactive (list (ps-print-preprint current-prefix-arg)))
9517 (dolist (article (gnus-summary-work-articles n))
9518 (gnus-summary-select-article nil nil 'pseudo article)
9519 (gnus-eval-in-buffer-window gnus-article-buffer
9520 (gnus-print-buffer))
9521 (gnus-summary-remove-process-mark article))
9522 (ps-despool filename))
9524 (defun gnus-print-buffer ()
9525 (let ((ps-left-header
9528 (gnus-summary-print-truncate-and-quote
9529 (mail-header-subject gnus-current-headers)
9532 (gnus-summary-print-truncate-and-quote
9533 (mail-header-from gnus-current-headers)
9537 "/pagenumberstring load"
9539 (mail-header-date gnus-current-headers) ")"))))
9540 (gnus-run-hooks 'gnus-ps-print-hook)
9542 (if ps-print-color-p
9543 (ps-spool-buffer-with-faces)
9544 (ps-spool-buffer)))))
9546 (defun gnus-summary-show-complete-article ()
9547 "Show a complete version of the current article.
9548 This is only useful if you're looking at a partial version of the
9551 (let ((gnus-keep-backlog nil)
9552 (gnus-use-cache nil)
9555 (format "%s-fetch-partial-articles"
9556 (car (gnus-find-method-for-group
9557 gnus-newsgroup-name)))
9562 (setq old-val (symbol-value variable))
9564 (gnus-flush-original-article-buffer)
9565 (gnus-summary-show-article))
9566 (set variable old-val))))
9568 (defun gnus-summary-show-article (&optional arg)
9569 "Force redisplaying of the current article.
9570 If ARG (the prefix) is a number, show the article with the charset
9571 defined in `gnus-summary-show-article-charset-alist', or the charset
9573 If ARG (the prefix) is non-nil and not a number, show the article,
9574 but without running any of the article treatment functions
9575 article. Normally, the keystroke is `C-u g'. When using `C-u
9576 C-u g', show the raw article."
9580 (gnus-summary-show-article t)
9581 (let ((gnus-newsgroup-charset
9582 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
9583 (mm-read-coding-system
9584 "View as charset: " ;; actually it is coding system.
9585 (with-current-buffer gnus-article-buffer
9586 (mm-detect-coding-region (point) (point-max))))))
9587 (gnus-newsgroup-ignored-charsets 'gnus-all))
9588 (gnus-summary-select-article nil 'force)
9589 (let ((deps gnus-newsgroup-dependencies)
9591 (with-current-buffer gnus-original-article-buffer
9593 (message-narrow-to-head)
9594 (setq head (buffer-string))
9595 (goto-char (point-min))
9596 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
9597 (goto-char (point-max))
9599 (setq lines (1- (count-lines (point) (point-max))))))
9601 (insert (format "211 %d Article retrieved.\n"
9602 (cdr gnus-article-current)))
9604 (if lines (insert (format "Lines: %d\n" lines)))
9606 (let ((nntp-server-buffer (current-buffer)))
9607 (setq header (car (gnus-get-newsgroup-headers deps t))))))
9608 (gnus-data-set-header
9609 (gnus-data-find (cdr gnus-article-current))
9611 (gnus-summary-update-article-line
9612 (cdr gnus-article-current) header)
9613 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9614 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
9616 ;; Select the article the normal way.
9617 (gnus-summary-select-article nil 'force))
9620 (let ((gnus-inhibit-article-treatments t))
9621 (gnus-summary-select-article nil 'force)))
9623 ;; We have to require this here to make sure that the following
9624 ;; dynamic binding isn't shadowed by autoloading.
9625 (require 'gnus-async)
9627 ;; Bind the article treatment functions to nil.
9628 (let ((gnus-have-all-headers t)
9629 gnus-article-prepare-hook
9630 gnus-article-decode-hook
9631 gnus-display-mime-function
9633 ;; Destroy any MIME parts.
9634 (when (gnus-buffer-live-p gnus-article-buffer)
9635 (with-current-buffer gnus-article-buffer
9636 (gnus-article-stop-animations)
9637 (mm-destroy-parts gnus-article-mime-handles)
9638 ;; Set it to nil for safety reason.
9639 (setq gnus-article-mime-handle-alist nil)
9640 (setq gnus-article-mime-handles nil)))
9641 (gnus-summary-select-article nil 'force))))
9642 (gnus-summary-goto-subject gnus-current-article)
9643 (gnus-summary-position-point))
9645 (defun gnus-summary-show-raw-article ()
9646 "Show the raw article without any article massaging functions being run."
9648 (gnus-summary-show-article t))
9650 (defun gnus-summary-verbose-headers (&optional arg)
9651 "Toggle permanent full header display.
9652 If ARG is a positive number, turn header display on.
9653 If ARG is a negative number, turn header display off."
9655 (setq gnus-show-all-headers
9656 (cond ((or (not (numberp arg))
9658 (not gnus-show-all-headers))
9661 (gnus-summary-show-article))
9663 (defun gnus-summary-toggle-header (&optional arg)
9664 "Show the headers if they are hidden, or hide them if they are shown.
9665 If ARG is a positive number, show the entire header.
9666 If ARG is a negative number, hide the unwanted header lines."
9668 (let ((window (and (gnus-buffer-live-p gnus-article-buffer)
9669 (get-buffer-window gnus-article-buffer t))))
9670 (with-current-buffer gnus-article-buffer
9672 (article-narrow-to-head)
9673 (let* ((inhibit-read-only t)
9674 (inhibit-point-motion-hooks t)
9675 (hidden (if (numberp arg)
9677 (or (not (looking-at "[^ \t\n]+:"))
9678 (gnus-article-hidden-text-p 'headers))))
9680 (delete-region (point-min) (point-max))
9681 (with-current-buffer gnus-original-article-buffer
9682 (goto-char (setq s (point-min)))
9683 (setq e (if (search-forward "\n\n" nil t)
9686 (insert-buffer-substring gnus-original-article-buffer s e)
9687 (run-hooks 'gnus-article-decode-hook)
9689 (let ((gnus-treat-hide-headers nil)
9690 (gnus-treat-hide-boring-headers nil))
9691 (gnus-delete-wash-type 'headers)
9692 (gnus-treat-article 'head))
9693 (gnus-treat-article 'head))
9696 (set-window-start window (goto-char (point-min))))
9697 (if gnus-break-pages
9698 (gnus-narrow-to-page)
9699 (when (gnus-visual-p 'page-marker)
9700 (let ((inhibit-read-only t))
9701 (gnus-remove-text-with-property 'gnus-prev)
9702 (gnus-remove-text-with-property 'gnus-next))))
9703 (gnus-set-mode-line 'article)))))
9705 (defun gnus-summary-show-all-headers ()
9706 "Make all header lines visible."
9708 (gnus-summary-toggle-header 1))
9710 (defun gnus-summary-caesar-message (&optional arg)
9711 "Caesar rotate the current article by 13.
9712 With a non-numerical prefix, also rotate headers. A numerical
9713 prefix specifies how many places to rotate each letter forward."
9715 (gnus-summary-select-article)
9716 (let ((mail-header-separator ""))
9717 (gnus-eval-in-buffer-window gnus-article-buffer
9720 (let ((start (window-start))
9721 (inhibit-read-only t))
9722 (if (equal arg '(4))
9723 (message-caesar-buffer-body nil t)
9724 (message-caesar-buffer-body arg))
9725 (set-window-start (get-buffer-window (current-buffer)) start)))))
9726 ;; Create buttons and stuff...
9727 (gnus-treat-article nil))
9729 (declare-function idna-to-unicode "ext:idna" (str))
9731 (defun gnus-summary-idna-message (&optional arg)
9732 "Decode IDNA encoded domain names in the current articles.
9733 IDNA encoded domain names looks like `xn--bar'. If a string
9734 remain unencoded after running this function, it is likely an
9735 invalid IDNA string (`xn--bar' is invalid).
9737 You must have GNU Libidn (URL `http://www.gnu.org/software/libidn/')
9738 installed for this command to work."
9740 (if (not (and (condition-case nil (require 'idna)
9742 (mm-coding-system-p 'utf-8)
9743 (executable-find (symbol-value 'idna-program))))
9745 5 "GNU Libidn not installed properly (`idn' or `idna.el' missing)")
9746 (gnus-summary-select-article)
9747 (let ((mail-header-separator ""))
9748 (gnus-eval-in-buffer-window gnus-article-buffer
9751 (let ((start (window-start))
9753 (while (re-search-forward "\\(xn--[-0-9a-z]+\\)" nil t)
9754 (replace-match (idna-to-unicode (match-string 1))))
9755 (set-window-start (get-buffer-window (current-buffer)) start)))))))
9757 (defun gnus-summary-morse-message (&optional arg)
9758 "Morse decode the current article."
9760 (gnus-summary-select-article)
9761 (let ((mail-header-separator ""))
9762 (gnus-eval-in-buffer-window gnus-article-buffer
9766 (let ((pos (window-start))
9767 (inhibit-read-only t))
9768 (goto-char (point-min))
9769 (when (message-goto-body)
9770 (gnus-narrow-to-body))
9771 (goto-char (point-min))
9772 (while (search-forward "·" (point-max) t)
9773 (replace-match "."))
9774 (unmorse-region (point-min) (point-max))
9776 (set-window-start (get-buffer-window (current-buffer)) pos)))))))
9778 (defun gnus-summary-stop-page-breaking ()
9779 "Stop page breaking in the current article."
9781 (gnus-summary-select-article)
9782 (gnus-eval-in-buffer-window gnus-article-buffer
9784 (when (gnus-visual-p 'page-marker)
9785 (let ((inhibit-read-only t))
9786 (gnus-remove-text-with-property 'gnus-prev)
9787 (gnus-remove-text-with-property 'gnus-next))
9788 (setq gnus-page-broken nil))))
9790 (defun gnus-summary-move-article (&optional n to-newsgroup
9791 select-method action)
9792 "Move the current article to a different newsgroup.
9793 If N is a positive number, move the N next articles.
9794 If N is a negative number, move the N previous articles.
9795 If N is nil and any articles have been marked with the process mark,
9796 move those articles instead.
9797 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
9798 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9799 re-spool using this method.
9801 When called interactively with TO-NEWSGROUP being nil, the value of
9802 the variable `gnus-move-split-methods' is used for finding a default
9803 for the target newsgroup.
9805 For this function to work, both the current newsgroup and the
9806 newsgroup that you want to move to have to support the `request-move'
9807 and `request-accept' functions.
9809 ACTION can be either `move' (the default), `crosspost' or `copy'."
9812 (setq action 'move))
9813 ;; Check whether the source group supports the required functions.
9814 (cond ((and (eq action 'move)
9815 (not (gnus-check-backend-function
9816 'request-move-article gnus-newsgroup-name)))
9817 (error "The current group does not support article moving"))
9818 ((and (eq action 'crosspost)
9819 (not (gnus-check-backend-function
9820 'request-replace-article gnus-newsgroup-name)))
9821 (error "The current group does not support article editing")))
9822 (let ((articles (gnus-summary-work-articles n))
9823 (prefix (if (gnus-check-backend-function
9824 'request-move-article gnus-newsgroup-name)
9825 (funcall gnus-move-group-prefix-function
9826 gnus-newsgroup-name)
9828 (names '((move "Move" "Moving")
9829 (copy "Copy" "Copying")
9830 (crosspost "Crosspost" "Crossposting")))
9831 (copy-buf (save-excursion
9832 (nnheader-set-temp-buffer " *copy article*")))
9833 art-group to-method new-xref article to-groups
9834 articles-to-update-marks encoded)
9835 (unless (assq action names)
9836 (error "Unknown action %s" action))
9837 ;; Read the newsgroup name.
9838 (when (and (not to-newsgroup)
9839 (not select-method))
9840 (if (and gnus-move-split-methods
9842 (and (memq gnus-current-article articles)
9843 (gnus-buffer-live-p gnus-original-article-buffer))))
9844 ;; When `gnus-move-split-methods' is non-nil, we have to
9845 ;; select an article to give `gnus-read-move-group-name' an
9846 ;; opportunity to suggest an appropriate default. However,
9847 ;; we needn't render or mark the article.
9848 (let ((gnus-display-mime-function nil)
9849 (gnus-article-prepare-hook nil)
9850 (gnus-mark-article-hook nil))
9851 (gnus-summary-select-article nil nil nil (car articles))))
9852 (setq to-newsgroup (gnus-read-move-group-name
9853 (cadr (assq action names))
9855 (intern (format "gnus-current-%s-group" action)))
9857 encoded to-newsgroup
9858 to-method (gnus-server-to-method (gnus-group-method to-newsgroup)))
9859 (set (intern (format "gnus-current-%s-group" action))
9860 (mm-decode-coding-string
9862 (gnus-group-name-charset to-method to-newsgroup))))
9864 (setq to-method (or select-method
9865 (gnus-server-to-method
9866 (gnus-group-method to-newsgroup)))))
9870 (mm-encode-coding-string
9872 (gnus-group-name-charset to-method to-newsgroup)))))
9873 ;; Check the method we are to move this article to...
9874 (unless (gnus-check-backend-function
9875 'request-accept-article (car to-method))
9876 (error "%s does not support article copying" (car to-method)))
9877 (unless (gnus-check-server to-method)
9878 (error "Can't open server %s" (car to-method)))
9879 (gnus-message 6 "%s to %s: %s..."
9880 (caddr (assq action names))
9881 (or (car select-method)
9882 (gnus-group-decoded-name to-newsgroup))
9885 (setq article (pop articles))
9886 ;; Set any marks that may have changed in the summary buffer.
9887 (when gnus-preserve-marks
9888 (gnus-summary-push-marks-to-backend article))
9892 ;; Move the article.
9894 ;; Remove this article from future suppression.
9895 (gnus-dup-unsuppress-article article)
9896 (let* ((from-method (gnus-find-method-for-group
9897 gnus-newsgroup-name))
9898 (to-method (or select-method
9899 (gnus-find-method-for-group to-newsgroup)))
9900 (move-is-internal (gnus-server-equal from-method to-method)))
9901 (gnus-request-move-article
9902 article ; Article to move
9903 gnus-newsgroup-name ; From newsgroup
9904 (nth 1 (gnus-find-method-for-group
9905 gnus-newsgroup-name)) ; Server
9906 (list 'gnus-request-accept-article
9907 to-newsgroup (list 'quote select-method)
9908 (not articles) t) ; Accept form
9909 (not articles) ; Only save nov last time
9910 (and move-is-internal
9911 to-newsgroup ; Not respooling
9912 ; Is this move internal?
9913 (gnus-group-real-name to-newsgroup)))))
9914 ;; Copy the article.
9916 (with-current-buffer copy-buf
9917 (when (gnus-request-article-this-buffer article
9918 gnus-newsgroup-name)
9920 (nnheader-narrow-to-headers)
9921 (dolist (hdr gnus-copy-article-ignored-headers)
9922 (message-remove-header hdr t)))
9923 (gnus-request-accept-article
9924 to-newsgroup select-method (not articles) t))))
9925 ;; Crosspost the article.
9926 ((eq action 'crosspost)
9927 (let ((xref (message-tokenize-header
9928 (mail-header-xref (gnus-summary-article-header
9931 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
9932 ":" (number-to-string article)))
9934 (setq xref (list (system-name))))
9937 (mapconcat 'identity
9938 (delete "Xref:" (delete new-xref xref))
9941 (with-current-buffer copy-buf
9942 ;; First put the article in the destination group.
9943 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9944 (when (consp (setq art-group
9945 (gnus-request-accept-article
9946 to-newsgroup select-method (not articles)
9948 (setq new-xref (concat new-xref " " (car art-group)
9950 (number-to-string (cdr art-group))))
9951 ;; Now we have the new Xrefs header, so we insert
9952 ;; it and replace the new article.
9953 (nnheader-replace-header "Xref" new-xref)
9954 (gnus-request-replace-article
9955 (cdr art-group) to-newsgroup (current-buffer) t)
9959 (gnus-message 1 "Couldn't %s article %s: %s"
9960 (cadr (assq action names)) article
9961 (nnheader-get-report (car to-method))))
9962 ((eq art-group 'junk)
9963 (when (eq action 'move)
9964 (gnus-summary-mark-article article gnus-canceled-mark)
9965 (gnus-message 4 "Deleted article %s" article)
9966 ;; run the delete hook
9967 (run-hook-with-args 'gnus-summary-article-delete-hook
9970 (assoc article (gnus-data-list nil)))
9971 gnus-newsgroup-name nil
9974 (let* ((pto-group (gnus-group-prefixed-name
9975 (car art-group) to-method))
9976 (info (gnus-get-info pto-group))
9977 (to-group (gnus-info-group info))
9979 ;; Update the group that has been moved to.
9981 (memq action '(move copy)))
9982 (unless (member to-group to-groups)
9983 (push to-group to-groups))
9985 (when (and (not (memq article gnus-newsgroup-unreads))
9987 (push 'read to-marks)
9989 info (gnus-add-to-range (gnus-info-read info)
9990 (list (cdr art-group)))))
9992 ;; See whether the article is to be put in the cache.
9993 (let* ((expirable (gnus-group-auto-expirable-p to-group))
9994 (marks (if expirable
9995 gnus-article-mark-lists
9996 (delete '(expirable . expire)
9998 gnus-article-mark-lists))))
9999 (to-article (cdr art-group)))
10001 ;; Enter the article into the cache in the new group,
10002 ;; if that is required.
10003 (when (and to-article
10005 (gnus-cache-possibly-enter-article
10006 to-group to-article
10007 (memq article gnus-newsgroup-marked)
10008 (memq article gnus-newsgroup-dormant)
10009 (memq article gnus-newsgroup-unreads)))
10011 (when (and gnus-preserve-marks
10013 ;; Copy any marks over to the new group.
10014 (when (and (equal to-group gnus-newsgroup-name)
10015 (not (memq article gnus-newsgroup-unreads)))
10016 ;; Mark this article as read in this group.
10017 (push (cons to-article gnus-read-mark)
10018 gnus-newsgroup-reads)
10019 ;; Increase the active status of this group.
10020 (setcdr (gnus-active to-group) to-article)
10021 (setcdr gnus-newsgroup-active to-article))
10024 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
10025 (when (memq article (symbol-value
10026 (intern (format "gnus-newsgroup-%s"
10028 (push (cdar marks) to-marks)
10029 ;; If the other group is the same as this group,
10030 ;; then we have to add the mark to the list.
10031 (when (equal to-group gnus-newsgroup-name)
10032 (set (intern (format "gnus-newsgroup-%s"
10036 (intern (format "gnus-newsgroup-%s"
10038 ;; Copy the marks to other group.
10039 (gnus-add-marked-articles
10040 to-group (cdar marks) (list to-article) info)))
10041 (setq marks (cdr marks)))
10043 (when (and expirable
10044 gnus-mark-copied-or-moved-articles-as-expirable
10045 (not (memq 'expire to-marks)))
10046 ;; Mark this article as expirable.
10047 (push 'expire to-marks)
10048 (when (equal to-group gnus-newsgroup-name)
10049 (push to-article gnus-newsgroup-expirable))
10050 ;; Copy the expirable mark to other group.
10051 (gnus-add-marked-articles
10052 to-group 'expire (list to-article) info))
10055 (gnus-request-set-mark
10056 to-group (list (list (list to-article) 'add to-marks)))))
10058 (gnus-dribble-enter
10059 (concat "(gnus-group-set-info '"
10060 (gnus-prin1-to-string (gnus-get-info to-group))
10062 (concat "^(gnus-group-set-info '(\""
10063 (regexp-quote to-group) "\""))))
10065 ;; Update the Xref header in this article to point to
10066 ;; the new crossposted article we have just created.
10067 (when (eq action 'crosspost)
10068 (with-current-buffer copy-buf
10069 (gnus-request-article-this-buffer article gnus-newsgroup-name)
10070 (nnheader-replace-header "Xref" new-xref)
10071 (gnus-request-replace-article
10072 article gnus-newsgroup-name (current-buffer) t)))
10074 ;; run the move/copy/crosspost/respool hook
10075 (run-hook-with-args 'gnus-summary-article-move-hook
10078 (assoc article (gnus-data-list nil)))
10079 gnus-newsgroup-name
10083 ;;;!!!Why is this necessary?
10084 (set-buffer gnus-summary-buffer)
10086 (when (eq action 'move)
10088 (gnus-summary-goto-subject article)
10089 (gnus-summary-mark-article article gnus-canceled-mark)))))
10090 (push article articles-to-update-marks))
10093 (apply 'gnus-summary-remove-process-mark articles-to-update-marks))
10094 ;; Re-activate all groups that have been moved to.
10095 (with-current-buffer gnus-group-buffer
10096 (let ((gnus-group-marked to-groups))
10097 (gnus-group-get-new-news-this-group nil t)))
10099 (gnus-kill-buffer copy-buf)
10100 (gnus-summary-position-point)
10101 (gnus-set-mode-line 'summary)))
10103 (defun gnus-summary-push-marks-to-backend (article)
10105 (marks gnus-article-mark-lists))
10106 (unless (memq article gnus-newsgroup-unreads)
10109 (when (and (eq (gnus-article-mark-to-type (cdar marks)) 'list)
10110 (memq article (symbol-value
10111 (intern (format "gnus-newsgroup-%s"
10113 (push (cdar marks) set))
10115 (gnus-request-set-mark gnus-newsgroup-name `(((,article) set ,set)))))
10117 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
10118 "Copy the current article to some other group.
10119 If TO-NEWSGROUP is string, do not prompt for a newsgroup to copy to.
10120 When called interactively, if TO-NEWSGROUP is nil, use the value of
10121 the variable `gnus-move-split-methods' for finding a default target
10123 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
10124 re-spool using this method."
10126 (gnus-summary-move-article n to-newsgroup select-method 'copy))
10128 (defun gnus-summary-crosspost-article (&optional n)
10129 "Crosspost the current article to some other group."
10131 (gnus-summary-move-article n nil nil 'crosspost))
10133 (defcustom gnus-summary-respool-default-method nil
10134 "Default method type for respooling an article.
10135 If nil, use to the current newsgroup method."
10137 :group 'gnus-summary-mail)
10139 (defun gnus-summary-respool-article (&optional n method)
10140 "Respool the current article.
10141 The article will be squeezed through the mail spooling process again,
10142 which means that it will be put in some mail newsgroup or other
10143 depending on `nnmail-split-methods'.
10144 If N is a positive number, respool the N next articles.
10145 If N is a negative number, respool the N previous articles.
10146 If N is nil and any articles have been marked with the process mark,
10147 respool those articles instead.
10149 Respooling can be done both from mail groups and \"real\" newsgroups.
10150 In the former case, the articles in question will be moved from the
10151 current group into whatever groups they are destined to. In the
10152 latter case, they will be copied into the relevant groups."
10154 (list current-prefix-arg
10155 (let* ((methods (mapcar #'car (gnus-methods-using 'respool)))
10157 (symbol-name (or gnus-summary-respool-default-method
10158 (car (gnus-find-method-for-group
10159 gnus-newsgroup-name)))))
10161 (gnus-completing-read
10162 "Backend to use when respooling"
10163 methods t nil 'gnus-mail-method-history methname))
10166 ((zerop (length (setq ms (gnus-servers-using-backend
10167 (intern method)))))
10168 (list (intern method) ""))
10172 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
10173 (cdr (assoc (gnus-completing-read "Server name" ms-alist t)
10176 (error "No method given for respooling"))
10177 (if (assoc (symbol-name
10178 (car (gnus-find-method-for-group gnus-newsgroup-name)))
10179 (gnus-methods-using 'respool))
10180 (gnus-summary-move-article n nil method)
10181 (gnus-summary-copy-article n nil method)))
10183 (defun gnus-summary-import-article (file &optional edit)
10184 "Import an arbitrary file into a mail newsgroup."
10185 (interactive "fImport file: \nP")
10186 (let ((group gnus-newsgroup-name)
10187 (now (current-time))
10188 atts lines group-art)
10189 (unless (gnus-check-backend-function 'request-accept-article group)
10190 (error "%s does not support article importing" group))
10191 (or (file-readable-p file)
10192 (not (file-regular-p file))
10193 (error "Can't read %s" file))
10194 (with-current-buffer (gnus-get-buffer-create " *import file*")
10196 (nnheader-insert-file-contents file)
10197 (goto-char (point-min))
10198 (if (nnheader-article-p)
10200 (goto-char (point-min))
10201 (search-forward "\n\n" nil t)
10202 (narrow-to-region (point-min) (1- (point)))
10203 (goto-char (point-min))
10204 (unless (re-search-forward "^date:" nil t)
10205 (goto-char (point-max))
10206 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
10207 ;; This doesn't look like an article, so we fudge some headers.
10208 (setq atts (file-attributes file)
10209 lines (count-lines (point-min) (point-max)))
10210 (insert "From: " (read-string "From: ") "\n"
10211 "Subject: " (read-string "Subject: ") "\n"
10212 "Date: " (message-make-date (nth 5 atts)) "\n"
10213 "Message-ID: " (message-make-message-id) "\n"
10214 "Lines: " (int-to-string lines) "\n"
10215 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
10216 (setq group-art (gnus-request-accept-article group nil t))
10217 (kill-buffer (current-buffer)))
10218 (setq gnus-newsgroup-active (gnus-activate-group group))
10220 (gnus-summary-goto-article (cdr group-art) nil t)
10222 (gnus-summary-edit-article))))
10224 (defun gnus-summary-create-article ()
10225 "Create an article in a mail newsgroup."
10227 (let ((group gnus-newsgroup-name)
10228 (now (current-time))
10230 (unless (gnus-check-backend-function 'request-accept-article group)
10231 (error "%s does not support article importing" group))
10232 (with-current-buffer (gnus-get-buffer-create " *import file*")
10234 (goto-char (point-min))
10235 ;; This doesn't look like an article, so we fudge some headers.
10236 (insert "From: " (read-string "From: ") "\n"
10237 "Subject: " (read-string "Subject: ") "\n"
10238 "Date: " (message-make-date now) "\n"
10239 "Message-ID: " (message-make-message-id) "\n")
10240 (setq group-art (gnus-request-accept-article group nil t))
10241 (kill-buffer (current-buffer)))
10242 (setq gnus-newsgroup-active (gnus-activate-group group))
10244 (gnus-summary-goto-article (cdr group-art) nil t)
10245 (gnus-summary-edit-article)))
10247 (defun gnus-summary-article-posted-p ()
10248 "Say whether the current (mail) article is available from news as well.
10249 This will be the case if the article has both been mailed and posted."
10251 (let ((id (mail-header-references (gnus-summary-article-header)))
10252 (gnus-override-method (car (gnus-refer-article-methods))))
10253 (if (gnus-request-head id "")
10254 (gnus-message 2 "The current message was found on %s"
10255 gnus-override-method)
10256 (gnus-message 2 "The current message couldn't be found on %s"
10257 gnus-override-method)
10260 (defun gnus-summary-expire-articles (&optional now)
10261 "Expire all articles that are marked as expirable in the current group."
10263 (when (and (not gnus-group-is-exiting-without-update-p)
10264 (gnus-check-backend-function
10265 'request-expire-articles gnus-newsgroup-name))
10266 ;; This backend supports expiry.
10267 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
10268 (expirable (if total
10270 ;; We need to update the info for
10271 ;; this group for `gnus-list-of-read-articles'
10272 ;; to give us the right answer.
10273 (gnus-run-hooks 'gnus-exit-group-hook)
10274 (gnus-summary-update-info)
10275 (gnus-list-of-read-articles gnus-newsgroup-name))
10276 (setq gnus-newsgroup-expirable
10277 (sort gnus-newsgroup-expirable '<))))
10278 (expiry-wait (if now 'immediate
10279 (gnus-group-find-parameter
10280 gnus-newsgroup-name 'expiry-wait)))
10281 (nnmail-expiry-target
10282 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
10283 nnmail-expiry-target))
10286 ;; There are expirable articles in this group, so we run them
10287 ;; through the expiry process.
10288 (gnus-message 6 "Expiring articles...")
10289 (unless (gnus-check-group gnus-newsgroup-name)
10290 (error "Can't open server for %s" gnus-newsgroup-name))
10291 ;; The list of articles that weren't expired is returned.
10294 (let ((nnmail-expiry-wait-function nil)
10295 (nnmail-expiry-wait expiry-wait))
10296 (setq es (gnus-request-expire-articles
10297 expirable gnus-newsgroup-name)))
10298 (setq es (gnus-request-expire-articles
10299 expirable gnus-newsgroup-name)))
10301 (setq gnus-newsgroup-expirable es))
10302 ;; We go through the old list of expirable, and mark all
10303 ;; really expired articles as nonexistent.
10304 (unless (eq es expirable) ;If nothing was expired, we don't mark.
10305 (let ((gnus-use-cache nil))
10306 (dolist (article expirable)
10307 (when (and (not (memq article es))
10308 (gnus-data-find article))
10309 (gnus-summary-mark-article article gnus-canceled-mark)
10310 (run-hook-with-args 'gnus-summary-article-expire-hook
10313 (assoc article (gnus-data-list nil)))
10314 gnus-newsgroup-name
10317 (gnus-message 6 "Expiring articles...done")))))
10319 (defun gnus-summary-expire-articles-now ()
10320 "Expunge all expirable articles in the current group.
10321 This means that *all* articles that are marked as expirable will be
10322 deleted forever, right now."
10324 (or gnus-expert-user
10326 "Are you really, really sure you want to delete all expirable messages? ")
10328 (gnus-summary-expire-articles t))
10330 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
10331 (defun gnus-summary-delete-article (&optional n)
10332 "Delete the N next (mail) articles.
10333 This command actually deletes articles. This is not a marking
10334 command. The article will disappear forever from your life, never to
10337 If N is negative, delete backwards.
10338 If N is nil and articles have been marked with the process mark,
10339 delete these instead.
10341 If `gnus-novice-user' is non-nil you will be asked for
10342 confirmation before the articles are deleted."
10344 (unless (gnus-check-backend-function 'request-expire-articles
10345 gnus-newsgroup-name)
10346 (error "The current newsgroup does not support article deletion"))
10347 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
10348 (error "Couldn't open server"))
10349 ;; Compute the list of articles to delete.
10350 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
10351 (nnmail-expiry-target 'delete)
10353 (if (and gnus-novice-user
10354 (not (gnus-yes-or-no-p
10355 (format "Do you really want to delete %s forever? "
10356 (if (> (length articles) 1)
10357 (format "these %s articles" (length articles))
10358 "this article")))))
10360 ;; Delete the articles.
10361 (setq not-deleted (gnus-request-expire-articles
10362 articles gnus-newsgroup-name 'force))
10365 (gnus-summary-remove-process-mark (car articles))
10366 ;; The backend might not have been able to delete the article
10368 (unless (memq (car articles) not-deleted)
10369 (gnus-summary-mark-article (car articles) gnus-canceled-mark)
10370 (let* ((article (car articles))
10371 (ghead (gnus-data-header
10372 (assoc article (gnus-data-list nil)))))
10373 (run-hook-with-args 'gnus-summary-article-delete-hook
10374 'delete ghead gnus-newsgroup-name nil
10376 (setq articles (cdr articles))))
10378 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
10379 (gnus-summary-position-point)
10380 (gnus-set-mode-line 'summary)
10383 (defun gnus-summary-edit-article (&optional arg)
10384 "Edit the current article.
10385 This will have permanent effect only in mail groups.
10386 If ARG is nil, edit the decoded articles.
10387 If ARG is 1, edit the raw articles.
10388 If ARG is 2, edit the raw articles even in read-only groups.
10389 If ARG is 3, edit the articles with the current handles.
10390 Otherwise, allow editing of articles even in read-only
10393 (let (force raw current-handles)
10402 (setq current-handles
10403 (and (gnus-buffer-live-p gnus-article-buffer)
10404 (with-current-buffer gnus-article-buffer
10406 gnus-article-mime-handles
10407 (setq gnus-article-mime-handles nil))))))
10410 (when (and raw (not force)
10411 (member gnus-newsgroup-name '("nndraft:delayed"
10414 (error "Can't edit the raw article in group %s"
10415 gnus-newsgroup-name))
10416 (with-current-buffer gnus-summary-buffer
10417 (let ((mail-parse-charset gnus-newsgroup-charset)
10418 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
10419 (gnus-set-global-variables)
10420 (when (and (not force)
10421 (gnus-group-read-only-p))
10422 (error "The current newsgroup does not support article editing"))
10423 (gnus-summary-show-article t)
10424 (when (and (not raw) (gnus-buffer-live-p gnus-article-buffer))
10425 (with-current-buffer gnus-article-buffer
10426 (mm-enable-multibyte)))
10427 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
10429 (gnus-article-edit-article
10432 (let ((mbl mml-buffer-list))
10433 (setq mml-buffer-list nil)
10434 (let ((rfc2047-quote-decoded-words-containing-tspecials t))
10435 (mime-to-mml ,'current-handles))
10436 (let ((mbl1 mml-buffer-list))
10437 (setq mml-buffer-list mbl)
10438 (set (make-local-variable 'mml-buffer-list) mbl1))
10439 (gnus-make-local-hook 'kill-buffer-hook)
10440 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))))
10441 `(lambda (no-highlight)
10442 (let ((mail-parse-charset ',gnus-newsgroup-charset)
10443 (message-options message-options)
10444 (message-options-set-recipient)
10445 (mail-parse-ignored-charsets
10446 ',gnus-newsgroup-ignored-charsets)
10447 (rfc2047-header-encoding-alist
10448 ',(let ((charset (gnus-group-name-charset
10449 (gnus-find-method-for-group
10450 gnus-newsgroup-name)
10451 gnus-newsgroup-name)))
10452 (append (list (cons "Newsgroups" charset)
10453 (cons "Followup-To" charset)
10454 (cons "Xref" charset))
10455 rfc2047-header-encoding-alist))))
10456 ,(if (not raw) '(progn
10458 (mml-destroy-buffers)
10459 (remove-hook 'kill-buffer-hook
10460 'mml-destroy-buffers t)
10461 (kill-local-variable 'mml-buffer-list)))
10462 (gnus-summary-edit-article-done
10463 ,(or (mail-header-references gnus-current-headers) "")
10464 ,(gnus-group-read-only-p)
10465 ,gnus-summary-buffer no-highlight))))))))
10467 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
10469 (defun gnus-summary-edit-article-done (&optional references read-only buffer
10471 "Make edits to the current article permanent."
10474 ;; The buffer restriction contains the entire article if it exists.
10475 (when (article-goto-body)
10476 (let ((lines (count-lines (point) (point-max)))
10477 (length (- (point-max) (point)))
10478 (case-fold-search t)
10479 (body (copy-marker (point))))
10480 (goto-char (point-min))
10481 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
10482 (delete-region (match-beginning 1) (match-end 1))
10483 (insert (number-to-string length)))
10484 (goto-char (point-min))
10485 (when (re-search-forward
10486 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
10487 (delete-region (match-beginning 1) (match-end 1))
10488 (insert (number-to-string length)))
10489 (goto-char (point-min))
10490 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
10491 (delete-region (match-beginning 1) (match-end 1))
10492 (insert (number-to-string lines))))))
10493 ;; Replace the article.
10494 (let ((buf (current-buffer))
10495 (article (cdr gnus-article-current))
10498 (insert-buffer-substring buf)
10499 (if (and (not read-only)
10500 (not (setq replace-result
10501 (gnus-request-replace-article
10502 article (car gnus-article-current)
10503 (current-buffer) t))))
10504 (error "Couldn't replace article")
10505 ;; If we got a number back, then that's the new article number
10506 ;; for this article. Otherwise, the article number didn't change.
10507 (when (numberp replace-result)
10508 (with-current-buffer gnus-summary-buffer
10509 (setq gnus-newsgroup-limit (delq article gnus-newsgroup-limit))
10510 (gnus-summary-limit gnus-newsgroup-limit)
10511 (setq article replace-result)
10512 (gnus-summary-goto-subject article t)))
10513 ;; Update the summary buffer.
10514 (if (and references
10515 (equal (message-tokenize-header references " ")
10516 (message-tokenize-header
10517 (or (message-fetch-field "references") "") " ")))
10518 ;; We only have to update this line.
10521 (message-narrow-to-head)
10522 (let ((head (buffer-substring-no-properties
10523 (point-min) (point-max)))
10526 (insert (format "211 %d Article retrieved.\n" article))
10529 (let ((nntp-server-buffer (current-buffer)))
10530 (setq header (car (gnus-get-newsgroup-headers nil t))))
10531 (with-current-buffer gnus-summary-buffer
10532 (gnus-data-set-header (gnus-data-find article) header)
10533 (gnus-summary-update-article-line article header)
10534 (if (gnus-summary-goto-subject article nil t)
10535 (gnus-summary-update-secondary-mark article)))))))
10537 (set-buffer (or buffer gnus-summary-buffer))
10538 (gnus-summary-update-article article)
10539 (if (gnus-summary-goto-subject article nil t)
10540 (gnus-summary-update-secondary-mark article)))
10541 ;; Prettify the article buffer again.
10542 (unless no-highlight
10543 (with-current-buffer gnus-article-buffer
10544 ;;!!! Fix this -- article should be rehighlighted.
10545 ;;(gnus-run-hooks 'gnus-article-display-hook)
10546 (set-buffer gnus-original-article-buffer)
10547 (gnus-request-article
10548 article (car gnus-article-current) (current-buffer))))
10549 ;; Prettify the summary buffer line.
10550 (when (gnus-visual-p 'summary-highlight 'highlight)
10551 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
10553 (defun gnus-summary-edit-wash (key)
10554 "Perform editing command KEY in the article buffer."
10558 (message "%s" (concat (this-command-keys) "- "))
10561 (gnus-summary-edit-article)
10562 (execute-kbd-macro (concat (this-command-keys) key))
10563 (gnus-article-edit-done))
10567 (defun gnus-summary-respool-query (&optional silent trace)
10568 "Query where the respool algorithm would put this article."
10570 (let (gnus-mark-article-hook)
10571 (gnus-summary-select-article)
10572 (with-current-buffer gnus-original-article-buffer
10573 (let ((groups (nnmail-article-group 'identity trace)))
10576 (message "This message would go to %s"
10577 (mapconcat 'car groups ", "))
10578 (message "This message would go to no groups"))
10581 (defun gnus-summary-respool-trace ()
10582 "Trace where the respool algorithm would put this article.
10583 Display a buffer showing all fancy splitting patterns which matched."
10585 (gnus-summary-respool-query nil t))
10587 ;; Summary marking commands.
10589 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
10590 "Mark articles which has the same subject as read, and then select the next.
10591 If UNMARK is positive, remove any kind of mark.
10592 If UNMARK is negative, tick articles."
10595 (setq unmark (prefix-numeric-value unmark)))
10597 (gnus-summary-mark-same-subject
10598 (gnus-summary-article-subject) unmark)))
10599 ;; Select next unread article. If auto-select-same mode, should
10600 ;; select the first unread article.
10601 (gnus-summary-next-article t (and gnus-auto-select-same
10602 (gnus-summary-article-subject)))
10603 (gnus-message 7 "%d article%s marked as %s"
10604 count (if (= count 1) " is" "s are")
10605 (if unmark "unread" "read"))))
10607 (defun gnus-summary-kill-same-subject (&optional unmark)
10608 "Mark articles which has the same subject as read.
10609 If UNMARK is positive, remove any kind of mark.
10610 If UNMARK is negative, tick articles."
10613 (setq unmark (prefix-numeric-value unmark)))
10615 (gnus-summary-mark-same-subject
10616 (gnus-summary-article-subject) unmark)))
10617 ;; If marked as read, go to next unread subject.
10618 (when (null unmark)
10619 ;; Go to next unread subject.
10620 (gnus-summary-next-subject 1 t))
10621 (gnus-message 7 "%d articles are marked as %s"
10622 count (if unmark "unread" "read"))))
10624 (defun gnus-summary-mark-same-subject (subject &optional unmark)
10625 "Mark articles with same SUBJECT as read, and return marked number.
10626 If optional argument UNMARK is positive, remove any kinds of marks.
10627 If optional argument UNMARK is negative, mark articles as unread instead."
10631 ((null unmark) ; Mark as read.
10634 (gnus-summary-mark-article-as-read gnus-killed-mark)
10635 (gnus-summary-show-thread) t)
10636 (gnus-summary-find-subject subject))
10637 (setq count (1+ count))))
10638 ((> unmark 0) ; Tick.
10641 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
10642 (gnus-summary-show-thread) t)
10643 (gnus-summary-find-subject subject))
10644 (setq count (1+ count))))
10645 (t ; Mark as unread.
10648 (gnus-summary-mark-article-as-unread gnus-unread-mark)
10649 (gnus-summary-show-thread) t)
10650 (gnus-summary-find-subject subject))
10651 (setq count (1+ count)))))
10652 (gnus-set-mode-line 'summary)
10653 ;; Return the number of marked articles.
10656 (defun gnus-summary-mark-as-processable (n &optional unmark)
10657 "Set the process mark on the next N articles.
10658 If N is negative, mark backward instead. If UNMARK is non-nil, remove
10659 the process mark instead. The difference between N and the actual
10660 number of articles marked is returned."
10662 (if (and (null n) (gnus-region-active-p))
10663 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
10664 (setq n (prefix-numeric-value n))
10665 (let ((backward (< n 0))
10670 (gnus-summary-remove-process-mark
10671 (gnus-summary-article-number))
10672 (gnus-summary-set-process-mark (gnus-summary-article-number)))
10673 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
10676 (gnus-message 7 "No more articles"))
10677 (gnus-summary-recenter)
10678 (gnus-summary-position-point)
10681 (defun gnus-summary-unmark-as-processable (n)
10682 "Remove the process mark from the next N articles.
10683 If N is negative, unmark backward instead. The difference between N and
10684 the actual number of articles unmarked is returned."
10686 (gnus-summary-mark-as-processable n t))
10688 (defun gnus-summary-unmark-all-processable ()
10689 "Remove the process mark from all articles."
10692 (while gnus-newsgroup-processable
10693 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
10694 (gnus-summary-position-point))
10696 (defun gnus-summary-add-mark (article type)
10697 "Mark ARTICLE with a mark of TYPE."
10698 (let ((vtype (car (assq type gnus-article-mark-lists)))
10701 (error "No such mark type: %s" type)
10702 (setq var (intern (format "gnus-newsgroup-%s" type)))
10703 (set var (cons article (symbol-value var)))
10704 (if (memq type '(processable cached replied forwarded recent saved))
10705 (gnus-summary-update-secondary-mark article)
10706 ;;; !!! This is bogus. We should find out what primary
10707 ;;; !!! mark we want to set.
10708 (gnus-summary-update-mark gnus-del-mark 'unread)))))
10710 (defun gnus-summary-mark-as-expirable (n)
10711 "Mark N articles forward as expirable.
10712 If N is negative, mark backward instead. The difference between N and
10713 the actual number of articles marked is returned."
10715 (gnus-summary-mark-forward n gnus-expirable-mark))
10717 (defun gnus-summary-mark-as-spam (n)
10718 "Mark N articles forward as spam.
10719 If N is negative, mark backward instead. The difference between N and
10720 the actual number of articles marked is returned."
10722 (gnus-summary-mark-forward n gnus-spam-mark))
10724 (defun gnus-summary-mark-article-as-replied (article)
10725 "Mark ARTICLE as replied to and update the summary line.
10726 ARTICLE can also be a list of articles."
10727 (interactive (list (gnus-summary-article-number)))
10728 (let ((articles (if (listp article) article (list article))))
10729 (dolist (article articles)
10730 (unless (numberp article)
10731 (error "%s is not a number" article))
10732 (push article gnus-newsgroup-replied)
10733 (let ((inhibit-read-only t))
10734 (when (gnus-summary-goto-subject article nil t)
10735 (gnus-summary-update-secondary-mark article))))))
10737 (defun gnus-summary-mark-article-as-forwarded (article)
10738 "Mark ARTICLE as forwarded and update the summary line.
10739 ARTICLE can also be a list of articles."
10740 (let ((articles (if (listp article) article (list article))))
10741 (dolist (article articles)
10742 (push article gnus-newsgroup-forwarded)
10743 (let ((inhibit-read-only t))
10744 (when (gnus-summary-goto-subject article nil t)
10745 (gnus-summary-update-secondary-mark article))))))
10747 (defun gnus-summary-set-bookmark (article)
10748 "Set a bookmark in current article."
10749 (interactive (list (gnus-summary-article-number)))
10750 (when (or (not (get-buffer gnus-article-buffer))
10751 (not gnus-current-article)
10752 (not gnus-article-current)
10753 (not (equal gnus-newsgroup-name (car gnus-article-current))))
10754 (error "No current article selected"))
10755 ;; Remove old bookmark, if one exists.
10756 (gnus-alist-pull article gnus-newsgroup-bookmarks)
10757 ;; Set the new bookmark, which is on the form
10758 ;; (article-number . line-number-in-body).
10761 (with-current-buffer gnus-article-buffer
10765 (article-goto-body)
10768 gnus-newsgroup-bookmarks)
10769 (gnus-message 6 "A bookmark has been added to the current article."))
10771 (defun gnus-summary-remove-bookmark (article)
10772 "Remove the bookmark from the current article."
10773 (interactive (list (gnus-summary-article-number)))
10774 ;; Remove old bookmark, if one exists.
10775 (if (not (assq article gnus-newsgroup-bookmarks))
10776 (gnus-message 6 "No bookmark in current article.")
10777 (gnus-alist-pull article gnus-newsgroup-bookmarks)
10778 (gnus-message 6 "Removed bookmark.")))
10780 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10781 (defun gnus-summary-mark-as-dormant (n)
10782 "Mark N articles forward as dormant.
10783 If N is negative, mark backward instead. The difference between N and
10784 the actual number of articles marked is returned."
10786 (gnus-summary-mark-forward n gnus-dormant-mark))
10788 (defun gnus-summary-set-process-mark (article)
10789 "Set the process mark on ARTICLE and update the summary line."
10790 (setq gnus-newsgroup-processable
10792 (delq article gnus-newsgroup-processable)))
10793 (when (gnus-summary-goto-subject article)
10794 (gnus-summary-show-thread)
10795 (gnus-summary-goto-subject article)
10796 (gnus-summary-update-secondary-mark article)))
10798 (defun gnus-summary-remove-process-mark (&rest articles)
10799 "Remove the process mark from ARTICLES and update the summary line."
10800 (dolist (article articles)
10801 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
10802 (when (gnus-summary-goto-subject article)
10803 (gnus-summary-show-thread)
10804 (gnus-summary-goto-subject article)
10805 (gnus-summary-update-secondary-mark article)))
10808 (defun gnus-summary-set-saved-mark (article)
10809 "Set the process mark on ARTICLE and update the summary line."
10810 (push article gnus-newsgroup-saved)
10811 (when (gnus-summary-goto-subject article)
10812 (gnus-summary-update-secondary-mark article)))
10814 (defun gnus-summary-mark-forward (n &optional mark no-expire)
10815 "Mark N articles as read forwards.
10816 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
10817 The difference between N and the actual number of articles marked is
10819 If NO-EXPIRE, auto-expiry will be inhibited."
10821 (gnus-summary-show-thread)
10822 (let ((backward (< n 0))
10823 (gnus-summary-goto-unread
10824 (and gnus-summary-goto-unread
10825 (not (eq gnus-summary-goto-unread 'never))
10826 (not (memq mark (list gnus-unread-mark gnus-spam-mark
10827 gnus-ticked-mark gnus-dormant-mark)))))
10829 (mark (or mark gnus-del-mark)))
10830 (while (and (> n 0)
10831 (gnus-summary-mark-article nil mark no-expire)
10832 (zerop (gnus-summary-next-subject
10834 (and gnus-summary-goto-unread
10835 (not (eq gnus-summary-goto-unread 'never)))
10839 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
10840 (gnus-summary-recenter)
10841 (gnus-summary-position-point)
10842 (gnus-set-mode-line 'summary)
10845 (defun gnus-summary-mark-article-as-read (mark)
10846 "Mark the current article quickly as read with MARK."
10847 (let ((article (gnus-summary-article-number)))
10848 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10849 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10850 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10851 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10852 (push (cons article mark) gnus-newsgroup-reads)
10853 ;; Possibly remove from cache, if that is used.
10854 (when gnus-use-cache
10855 (gnus-cache-enter-remove-article article))
10856 ;; Allow the backend to change the mark.
10857 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10858 ;; Check for auto-expiry.
10859 (when (and gnus-newsgroup-auto-expire
10860 (memq mark gnus-auto-expirable-marks))
10861 (setq mark gnus-expirable-mark)
10862 ;; Let the backend know about the mark change.
10863 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10864 (push article gnus-newsgroup-expirable))
10865 ;; Set the mark in the buffer.
10866 (gnus-summary-update-mark mark 'unread)
10869 (defun gnus-summary-mark-article-as-unread (mark)
10870 "Mark the current article quickly as unread with MARK."
10871 (let* ((article (gnus-summary-article-number))
10872 (old-mark (gnus-summary-article-mark article)))
10873 ;; Allow the backend to change the mark.
10874 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10875 (if (eq mark old-mark)
10879 (gnus-error 1 "Can't mark negative article numbers")
10881 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10882 (setq gnus-newsgroup-spam-marked
10883 (delq article gnus-newsgroup-spam-marked))
10884 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10885 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
10886 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
10887 (cond ((= mark gnus-ticked-mark)
10888 (setq gnus-newsgroup-marked
10889 (gnus-add-to-sorted-list gnus-newsgroup-marked
10891 ((= mark gnus-spam-mark)
10892 (setq gnus-newsgroup-spam-marked
10893 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
10895 ((= mark gnus-dormant-mark)
10896 (setq gnus-newsgroup-dormant
10897 (gnus-add-to-sorted-list gnus-newsgroup-dormant
10900 (setq gnus-newsgroup-unreads
10901 (gnus-add-to-sorted-list gnus-newsgroup-unreads
10903 (gnus-alist-pull article gnus-newsgroup-reads)
10905 ;; See whether the article is to be put in the cache.
10906 (and gnus-use-cache
10907 (vectorp (gnus-summary-article-header article))
10909 (gnus-cache-possibly-enter-article
10910 gnus-newsgroup-name article
10911 (= mark gnus-ticked-mark)
10912 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10915 (gnus-summary-update-mark mark 'unread)
10918 (defun gnus-summary-mark-article (&optional article mark no-expire)
10919 "Mark ARTICLE with MARK. MARK can be any character.
10920 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
10921 `??' (dormant) and `?E' (expirable).
10922 If MARK is nil, then the default character `?r' is used.
10923 If ARTICLE is nil, then the article on the current line will be
10925 If NO-EXPIRE, auto-expiry will be inhibited."
10926 ;; The mark might be a string.
10927 (when (stringp mark)
10928 (setq mark (aref mark 0)))
10929 ;; If no mark is given, then we check auto-expiring.
10931 (setq mark gnus-del-mark))
10932 (when (and (not no-expire)
10933 gnus-newsgroup-auto-expire
10934 (memq mark gnus-auto-expirable-marks))
10935 (setq mark gnus-expirable-mark))
10936 (let ((article (or article (gnus-summary-article-number)))
10937 (old-mark (gnus-summary-article-mark article)))
10938 ;; Allow the backend to change the mark.
10939 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10940 (if (eq mark old-mark)
10943 (error "No article on current line"))
10944 (if (not (if (or (= mark gnus-unread-mark)
10945 (= mark gnus-ticked-mark)
10946 (= mark gnus-spam-mark)
10947 (= mark gnus-dormant-mark))
10948 (gnus-mark-article-as-unread article mark)
10949 (gnus-mark-article-as-read article mark)))
10951 ;; See whether the article is to be put in the cache.
10952 (and gnus-use-cache
10953 (not (= mark gnus-canceled-mark))
10954 (vectorp (gnus-summary-article-header article))
10956 (gnus-cache-possibly-enter-article
10957 gnus-newsgroup-name article
10958 (= mark gnus-ticked-mark)
10959 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10961 (when (gnus-summary-goto-subject article nil t)
10962 (let ((inhibit-read-only t))
10963 (gnus-summary-show-thread)
10965 (gnus-summary-update-mark mark 'unread)
10968 (defun gnus-summary-update-secondary-mark (article)
10969 "Update the secondary (read, process, cache) mark."
10970 (gnus-summary-update-mark
10971 (cond ((memq article gnus-newsgroup-processable)
10973 ((memq article gnus-newsgroup-cached)
10975 ((memq article gnus-newsgroup-replied)
10977 ((memq article gnus-newsgroup-forwarded)
10978 gnus-forwarded-mark)
10979 ((memq article gnus-newsgroup-saved)
10981 ((memq article gnus-newsgroup-recent)
10983 ((memq article gnus-newsgroup-unseen)
10987 (when (gnus-visual-p 'summary-highlight 'highlight)
10988 (gnus-summary-highlight-line)
10989 (gnus-run-hooks 'gnus-summary-update-hook))
10992 (defun gnus-summary-update-download-mark (article)
10993 "Update the download mark."
10994 (gnus-summary-update-mark
10995 (cond ((memq article gnus-newsgroup-undownloaded)
10996 gnus-undownloaded-mark)
10997 (gnus-newsgroup-agentized
10998 gnus-downloaded-mark)
11002 (gnus-summary-update-line t)
11005 (defun gnus-summary-update-mark (mark type)
11006 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
11007 (inhibit-read-only t))
11008 (re-search-backward "[\n\r]" (point-at-bol) 'move-to-limit)
11010 (when (looking-at "\r")
11012 (when (<= (+ forward (point)) (point-max))
11013 ;; Go to the right position on the line.
11014 (goto-char (+ forward (point)))
11015 ;; Replace the old mark with the new mark.
11017 (mm-subst-char-in-string
11019 (buffer-substring (point) (1+ (point))))))
11020 (delete-region (point) (1+ (point)))
11021 (insert to-insert))
11022 ;; Optionally update the marks by some user rule.
11023 (when (eq type 'unread)
11024 (gnus-data-set-mark
11025 (gnus-data-find (gnus-summary-article-number)) mark)
11026 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
11028 (defun gnus-mark-article-as-read (article &optional mark)
11029 "Enter ARTICLE in the pertinent lists and remove it from others."
11030 ;; Make the article expirable.
11031 (let ((mark (or mark gnus-del-mark)))
11032 (setq gnus-newsgroup-expirable
11033 (if (= mark gnus-expirable-mark)
11034 (gnus-add-to-sorted-list gnus-newsgroup-expirable article)
11035 (delq article gnus-newsgroup-expirable)))
11036 ;; Remove from unread and marked lists.
11037 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
11038 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
11039 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
11040 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
11041 (push (cons article mark) gnus-newsgroup-reads)
11042 ;; Possibly remove from cache, if that is used.
11043 (when gnus-use-cache
11044 (gnus-cache-enter-remove-article article))
11047 (defun gnus-mark-article-as-unread (article &optional mark)
11048 "Enter ARTICLE in the pertinent lists and remove it from others."
11049 (let ((mark (or mark gnus-ticked-mark)))
11052 (gnus-error 1 "Can't mark negative article numbers")
11054 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
11055 gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked)
11056 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
11057 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
11058 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
11060 ;; Unsuppress duplicates?
11061 (when gnus-suppress-duplicates
11062 (gnus-dup-unsuppress-article article))
11064 (cond ((= mark gnus-ticked-mark)
11065 (setq gnus-newsgroup-marked
11066 (gnus-add-to-sorted-list gnus-newsgroup-marked article)))
11067 ((= mark gnus-spam-mark)
11068 (setq gnus-newsgroup-spam-marked
11069 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
11071 ((= mark gnus-dormant-mark)
11072 (setq gnus-newsgroup-dormant
11073 (gnus-add-to-sorted-list gnus-newsgroup-dormant article)))
11075 (setq gnus-newsgroup-unreads
11076 (gnus-add-to-sorted-list gnus-newsgroup-unreads article))))
11077 (gnus-alist-pull article gnus-newsgroup-reads)
11080 (defun gnus-summary-tick-article-forward (n)
11081 "Tick N articles forwards.
11082 If N is negative, tick backwards instead.
11083 The difference between N and the number of articles ticked is returned."
11085 (gnus-summary-mark-forward n gnus-ticked-mark))
11087 (defun gnus-summary-tick-article-backward (n)
11088 "Tick N articles backwards.
11089 The difference between N and the number of articles ticked is returned."
11091 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
11093 (defun gnus-summary-tick-article (&optional article clear-mark)
11094 "Mark current article as unread.
11095 Optional 1st argument ARTICLE specifies article number to be marked as unread.
11096 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
11098 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
11099 gnus-ticked-mark)))
11101 (defun gnus-summary-mark-as-read-forward (n)
11102 "Mark N articles as read forwards.
11103 If N is negative, mark backwards instead.
11104 The difference between N and the actual number of articles marked is
11107 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
11109 (defun gnus-summary-mark-as-read-backward (n)
11110 "Mark the N articles as read backwards.
11111 The difference between N and the actual number of articles marked is
11114 (gnus-summary-mark-forward
11115 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
11117 (defun gnus-summary-mark-as-read (&optional article mark)
11118 "Mark current article as read.
11119 ARTICLE specifies the article to be marked as read.
11120 MARK specifies a string to be inserted at the beginning of the line."
11121 (gnus-summary-mark-article article mark))
11123 (defun gnus-summary-clear-mark-forward (n)
11124 "Clear marks from N articles forward.
11125 If N is negative, clear backward instead.
11126 The difference between N and the number of marks cleared is returned."
11128 (gnus-summary-mark-forward n gnus-unread-mark))
11130 (defun gnus-summary-clear-mark-backward (n)
11131 "Clear marks from N articles backward.
11132 The difference between N and the number of marks cleared is returned."
11134 (gnus-summary-mark-forward (- n) gnus-unread-mark))
11136 (defun gnus-summary-mark-unread-as-read ()
11137 "Intended to be used by `gnus-mark-article-hook'."
11138 (when (memq gnus-current-article gnus-newsgroup-unreads)
11139 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
11141 (defun gnus-summary-mark-read-and-unread-as-read (&optional new-mark)
11142 "Intended to be used by `gnus-mark-article-hook'."
11143 (let ((mark (gnus-summary-article-mark)))
11144 (when (or (gnus-unread-mark-p mark)
11145 (gnus-read-mark-p mark))
11146 (gnus-summary-mark-article gnus-current-article
11147 (or new-mark gnus-read-mark)))))
11149 (defun gnus-summary-mark-current-read-and-unread-as-read (&optional new-mark)
11150 "Intended to be used by `gnus-mark-article-hook'."
11151 (let ((mark (gnus-summary-article-mark)))
11152 (when (or (gnus-unread-mark-p mark)
11153 (gnus-read-mark-p mark))
11154 (gnus-summary-mark-article (gnus-summary-article-number)
11155 (or new-mark gnus-read-mark)))))
11157 (defun gnus-summary-mark-unread-as-ticked ()
11158 "Intended to be used by `gnus-mark-article-hook'."
11159 (when (memq gnus-current-article gnus-newsgroup-unreads)
11160 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
11162 (defun gnus-summary-mark-region-as-read (point mark all)
11163 "Mark all unread articles between point and mark as read.
11164 If given a prefix, mark all articles between point and mark as read,
11165 even ticked and dormant ones."
11166 (interactive "r\nP")
11170 (beginning-of-line)
11175 (memq (setq article (gnus-summary-article-number))
11176 gnus-newsgroup-unreads))
11177 (gnus-summary-mark-article article gnus-del-mark))
11179 (gnus-summary-find-next))))))
11181 (defun gnus-summary-mark-below (score mark)
11182 "Mark articles with score less than SCORE with MARK."
11183 (interactive "P\ncMark: ")
11184 (setq score (if score
11185 (prefix-numeric-value score)
11186 (or gnus-summary-default-score 0)))
11187 (with-current-buffer gnus-summary-buffer
11188 (goto-char (point-min))
11191 (and (< (gnus-summary-article-score) score)
11192 (gnus-summary-mark-article nil mark))
11193 (gnus-summary-find-next)))))
11195 (defun gnus-summary-kill-below (&optional score)
11196 "Mark articles with score below SCORE as read."
11198 (gnus-summary-mark-below score gnus-killed-mark))
11200 (defun gnus-summary-clear-above (&optional score)
11201 "Clear all marks from articles with score above SCORE."
11203 (gnus-summary-mark-above score gnus-unread-mark))
11205 (defun gnus-summary-tick-above (&optional score)
11206 "Tick all articles with score above SCORE."
11208 (gnus-summary-mark-above score gnus-ticked-mark))
11210 (defun gnus-summary-mark-above (score mark)
11211 "Mark articles with score over SCORE with MARK."
11212 (interactive "P\ncMark: ")
11213 (setq score (if score
11214 (prefix-numeric-value score)
11215 (or gnus-summary-default-score 0)))
11216 (with-current-buffer gnus-summary-buffer
11217 (goto-char (point-min))
11219 (when (> (gnus-summary-article-score) score)
11220 (gnus-summary-mark-article nil mark))
11222 (gnus-summary-find-next)))))
11224 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
11225 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
11226 (defun gnus-summary-limit-include-expunged (&optional no-error)
11227 "Display all the hidden articles that were expunged for low scores."
11229 (let ((inhibit-read-only t))
11230 (let ((scored gnus-newsgroup-scored)
11233 (unless (gnus-summary-article-header (caar scored))
11234 (and (setq h (gnus-number-to-header (caar scored)))
11235 (< (cdar scored) gnus-summary-expunge-below)
11237 (setq scored (cdr scored)))
11239 (when (not no-error)
11240 (error "No expunged articles hidden"))
11241 (goto-char (point-min))
11242 (push gnus-newsgroup-limit gnus-newsgroup-limits)
11243 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
11244 (dolist (x headers)
11245 (push (mail-header-number x) gnus-newsgroup-limit))
11246 (gnus-summary-prepare-unthreaded (nreverse headers))
11247 (goto-char (point-min))
11248 (gnus-summary-position-point)
11251 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
11252 "Mark all unread articles in this newsgroup as read.
11253 If prefix argument ALL is non-nil, ticked and dormant articles will
11254 also be marked as read.
11255 If QUIETLY is non-nil, no questions will be asked.
11257 If TO-HERE is non-nil, it should be a point in the buffer. All
11258 articles before (after, if REVERSE is set) this point will be marked
11261 Note that this function will only catch up the unread article
11262 in the current summary buffer limitation.
11264 The number of articles marked as read is returned."
11269 (not gnus-interactive-catchup) ;Without confirmation?
11273 "Mark absolutely all articles as read? "
11274 "Mark all unread articles as read? ")))
11276 (not gnus-newsgroup-adaptive)
11277 (not gnus-newsgroup-auto-expire)
11278 (not gnus-suppress-duplicates)
11279 (or (not gnus-use-cache)
11280 (eq gnus-use-cache 'passive)))
11283 (setq gnus-newsgroup-marked nil
11284 gnus-newsgroup-spam-marked nil
11285 gnus-newsgroup-dormant nil))
11286 (setq gnus-newsgroup-unreads
11287 (gnus-sorted-nunion
11288 (gnus-sorted-intersection gnus-newsgroup-unreads
11289 gnus-newsgroup-downloadable)
11290 (gnus-sorted-difference gnus-newsgroup-unfetched
11291 gnus-newsgroup-cached))))
11292 ;; We actually mark all articles as canceled, which we
11293 ;; have to do when using auto-expiry or adaptive scoring.
11294 (gnus-summary-show-all-threads)
11295 (if (and to-here reverse)
11297 (goto-char to-here)
11298 (gnus-summary-mark-current-read-and-unread-as-read
11300 (while (gnus-summary-find-next (not all))
11301 (gnus-summary-mark-article-as-read gnus-catchup-mark)))
11302 (when (gnus-summary-first-subject (not all))
11304 (if to-here (< (point) to-here) t)
11305 (gnus-summary-mark-article-as-read gnus-catchup-mark)
11306 (gnus-summary-find-next (not all))))))
11307 (gnus-set-mode-line 'summary))
11309 (gnus-summary-position-point)))
11311 (defun gnus-summary-catchup-to-here (&optional all)
11312 "Mark all unticked articles before the current one as read.
11313 If ALL is non-nil, also mark ticked and dormant articles as read."
11316 (gnus-save-hidden-threads
11317 (let ((beg (point)))
11318 ;; We check that there are unread articles.
11319 (when (or all (gnus-summary-find-prev))
11320 (gnus-summary-catchup all t beg)))))
11321 (gnus-summary-position-point))
11323 (defun gnus-summary-catchup-from-here (&optional all)
11324 "Mark all unticked articles after (and including) the current one as read.
11325 If ALL is non-nil, also mark ticked and dormant articles as read."
11328 (gnus-save-hidden-threads
11329 (let ((beg (point)))
11330 ;; We check that there are unread articles.
11331 (when (or all (gnus-summary-find-next))
11332 (gnus-summary-catchup all t beg nil t)))))
11333 (gnus-summary-position-point))
11335 (defun gnus-summary-catchup-all (&optional quietly)
11336 "Mark all articles in this newsgroup as read.
11337 This command is dangerous. Normally, you want \\[gnus-summary-catchup]
11338 instead, which marks only unread articles as read."
11340 (gnus-summary-catchup t quietly))
11342 (defun gnus-summary-catchup-and-exit (&optional all quietly)
11343 "Mark all unread articles in this group as read, then exit.
11344 If prefix argument ALL is non-nil, all articles are marked as read.
11345 If QUIETLY is non-nil, no questions will be asked."
11347 (when (gnus-summary-catchup all quietly nil 'fast)
11348 ;; Select next newsgroup or exit.
11349 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
11350 (eq gnus-auto-select-next 'quietly))
11351 (gnus-summary-next-group nil)
11352 (gnus-summary-exit))))
11354 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
11355 "Mark all articles in this newsgroup as read, and then exit.
11356 This command is dangerous. Normally, you want \\[gnus-summary-catchup-and-exit]
11357 instead, which marks only unread articles as read."
11359 (gnus-summary-catchup-and-exit t quietly))
11361 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
11362 "Mark all articles in this group as read and select the next group.
11363 If given a prefix, mark all articles, unread as well as ticked, as
11367 (gnus-summary-catchup all))
11368 (gnus-summary-next-group))
11370 (defun gnus-summary-catchup-and-goto-prev-group (&optional all)
11371 "Mark all articles in this group as read and select the previous group.
11372 If given a prefix, mark all articles, unread as well as ticked, as
11376 (gnus-summary-catchup all))
11377 (gnus-summary-next-group nil nil t))
11383 (defmacro gnus-with-article (article &rest forms)
11384 "Select ARTICLE and perform FORMS in the original article buffer.
11385 Then replace the article with the result."
11387 ;; We don't want the article to be marked as read.
11388 (let (gnus-mark-article-hook)
11389 (gnus-summary-select-article t t nil ,article))
11390 (set-buffer gnus-original-article-buffer)
11392 (if (not (gnus-check-backend-function
11393 'request-replace-article (car gnus-article-current)))
11394 (gnus-message 5 "Read-only group; not replacing")
11395 (unless (gnus-request-replace-article
11396 ,article (car gnus-article-current)
11397 (current-buffer) t)
11398 (error "Couldn't replace article")))
11399 ;; The cache and backlog have to be flushed somewhat.
11400 (when gnus-keep-backlog
11401 (gnus-backlog-remove-article
11402 (car gnus-article-current) (cdr gnus-article-current)))
11403 (when gnus-use-cache
11404 (gnus-cache-update-article
11405 (car gnus-article-current) (cdr gnus-article-current)))))
11407 (put 'gnus-with-article 'lisp-indent-function 1)
11408 (put 'gnus-with-article 'edebug-form-spec '(form body))
11410 ;; Thread-based commands.
11412 (defun gnus-summary-articles-in-thread (&optional article)
11413 "Return a list of all articles in the current thread.
11414 If ARTICLE is non-nil, return all articles in the thread that starts
11415 with that article."
11416 (let* ((article (or article (gnus-summary-article-number)))
11417 (data (gnus-data-find-list article))
11418 (top-level (gnus-data-level (car data)))
11420 (cond ((null gnus-thread-operation-ignore-subject)
11421 (gnus-simplify-subject-re
11422 (mail-header-subject (gnus-data-header (car data)))))
11423 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
11424 (gnus-simplify-subject-fuzzy
11425 (mail-header-subject (gnus-data-header (car data)))))
11427 (end-point (save-excursion
11428 (goto-char (gnus-data-pos (car data)))
11429 (if (gnus-summary-go-to-next-thread)
11430 (point) (point-max))))
11433 (< (gnus-data-pos (car data)) end-point))
11434 (when (or (not top-subject)
11435 (string= top-subject
11436 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
11437 (gnus-simplify-subject-fuzzy
11438 (mail-header-subject
11439 (gnus-data-header (car data))))
11440 (gnus-simplify-subject-re
11441 (mail-header-subject
11442 (gnus-data-header (car data)))))))
11443 (push (gnus-data-number (car data)) articles))
11444 (unless (and (setq data (cdr data))
11445 (> (gnus-data-level (car data)) top-level))
11447 ;; Return the list of articles.
11448 (nreverse articles)))
11450 (defun gnus-summary-rethread-current ()
11451 "Rethread the thread the current article is part of."
11453 (let* ((gnus-show-threads t)
11454 (article (gnus-summary-article-number))
11455 (id (mail-header-id (gnus-summary-article-header)))
11456 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
11458 (error "No article on the current line"))
11459 (gnus-rebuild-thread id)
11460 (gnus-summary-goto-subject article)))
11462 (defun gnus-summary-reparent-thread ()
11463 "Make the current article child of the marked (or previous) article.
11465 Note that the re-threading will only work if `gnus-thread-ignore-subject'
11466 is non-nil or the Subject: of both articles are the same."
11468 (unless (not (gnus-group-read-only-p))
11469 (error "The current newsgroup does not support article editing"))
11470 (unless (<= (length gnus-newsgroup-processable) 1)
11471 (error "No more than one article may be marked"))
11472 (let ((child (gnus-summary-article-number))
11473 ;; First grab the marked article, otherwise one line up.
11474 (parent (if (not (null gnus-newsgroup-processable))
11475 (car gnus-newsgroup-processable)
11477 (if (eq (forward-line -1) 0)
11478 (gnus-summary-article-number)
11479 (error "Beginning of summary buffer"))))))
11480 (gnus-summary-reparent-children parent (list child))))
11482 (defun gnus-summary-reparent-children (parent children)
11483 "Make PARENT the parent of CHILDREN.
11484 When called interactively, PARENT is the current article and CHILDREN
11485 are the process-marked articles."
11487 (list (gnus-summary-article-number)
11488 (gnus-summary-work-articles nil)))
11489 (dolist (child children)
11490 (save-window-excursion
11491 (let ((gnus-article-buffer " *reparent*"))
11492 (unless (not (eq parent child))
11493 (error "An article may not be self-referential"))
11494 (let ((message-id (mail-header-id
11495 (gnus-summary-article-header parent))))
11496 (unless (and message-id (not (equal message-id "")))
11497 (error "No message-id in desired parent"))
11498 (gnus-with-article child
11500 (goto-char (point-min))
11501 (message-narrow-to-head)
11502 (if (re-search-forward "^References: " nil t)
11504 (re-search-forward "^[^ \t]" nil t)
11507 (insert " " message-id))
11508 (insert "References: " message-id "\n"))))
11509 (set-buffer gnus-summary-buffer)
11510 (gnus-summary-unmark-all-processable)
11511 (gnus-summary-update-article child)
11512 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
11513 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
11514 (gnus-summary-rethread-current)
11515 (gnus-message 3 "Article %d is now the child of article %d"
11518 (defun gnus-summary-toggle-threads (&optional arg)
11519 "Toggle showing conversation threads.
11520 If ARG is positive number, turn showing conversation threads on."
11522 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
11523 (setq gnus-show-threads
11524 (if (null arg) (not gnus-show-threads)
11525 (> (prefix-numeric-value arg) 0)))
11526 (gnus-summary-prepare)
11527 (gnus-summary-goto-subject current)
11528 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
11529 (gnus-summary-position-point)))
11532 (if (fboundp 'remove-overlays)
11533 (defalias 'gnus-remove-overlays 'remove-overlays)
11534 (defun gnus-remove-overlays (beg end name val)
11535 "Clear BEG and END of overlays whose property NAME has value VAL.
11536 For compatibility with XEmacs."
11537 (dolist (ov (gnus-overlays-in beg end))
11538 (when (eq (gnus-overlay-get ov name) val)
11539 (gnus-delete-overlay ov))))))
11541 (defun gnus-summary-show-all-threads ()
11542 "Show all threads."
11544 (gnus-remove-overlays (point-min) (point-max) 'invisible 'gnus-sum)
11545 (gnus-summary-position-point))
11547 (defsubst gnus-summary--inv (p)
11548 (and (eq (get-char-property p 'invisible) 'gnus-sum) p))
11550 (defun gnus-summary-show-thread ()
11551 "Show thread subtrees.
11552 Returns nil if no thread was there to be shown."
11554 (let* ((orig (point))
11555 (end (point-at-eol))
11556 (end (or (gnus-summary--inv end) (gnus-summary--inv (1- end))))
11557 ;; Leave point at bol
11558 (beg (progn (beginning-of-line) (if (bobp) (point) (1- (point)))))
11560 (if (fboundp 'next-single-char-property-change)
11561 (or (next-single-char-property-change end 'invisible)
11566 (eq (get-char-property (point) 'invisible)
11570 (gnus-remove-overlays beg eoi 'invisible 'gnus-sum)
11572 (gnus-summary-position-point)
11575 (defun gnus-summary-maybe-hide-threads ()
11576 "If requested, hide the threads that should be hidden."
11577 (when (and gnus-show-threads
11578 gnus-thread-hide-subtree)
11579 (gnus-summary-hide-all-threads
11580 (if (or (consp gnus-thread-hide-subtree)
11581 (functionp gnus-thread-hide-subtree))
11582 (gnus-make-predicate gnus-thread-hide-subtree)
11585 ;;; Hiding predicates.
11587 (defun gnus-article-unread-p (header)
11588 (memq (mail-header-number header) gnus-newsgroup-unreads))
11590 (defun gnus-article-unseen-p (header)
11591 (memq (mail-header-number header) gnus-newsgroup-unseen))
11593 (defun gnus-map-articles (predicate articles)
11594 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
11595 (apply 'gnus-or (mapcar predicate
11596 (mapcar (lambda (number)
11597 (gnus-summary-article-header number))
11600 (defun gnus-summary-hide-all-threads (&optional predicate)
11601 "Hide all thread subtrees.
11602 If PREDICATE is supplied, threads that satisfy this predicate
11603 will not be hidden."
11606 (goto-char (point-min))
11611 (when (zerop (mod count 1000))
11612 (message "Hiding all threads... %d" count))
11613 (when (or (not predicate)
11615 predicate (gnus-summary-article-children)))
11616 (gnus-summary-hide-thread))
11617 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
11618 (gnus-summary-position-point))
11620 (defun gnus-summary-hide-thread ()
11621 "Hide thread subtrees.
11622 If PREDICATE is supplied, threads that satisfy this predicate
11623 will not be hidden.
11624 Returns nil if no threads were there to be hidden."
11626 (let ((start (point))
11627 (starteol (line-end-position))
11628 (article (gnus-summary-article-number)))
11630 ;; Go forward until either the buffer ends or the subthread ends.
11631 (when (and (not (eobp))
11632 (or (zerop (gnus-summary-next-thread 1 t))
11633 (goto-char (point-max))))
11634 (if (and (> (point) start)
11635 ;; FIXME: this should actually search for a non-invisible \n.
11636 (search-backward "\n" start t))
11638 (when (> (point) starteol)
11639 (gnus-remove-overlays starteol (point) 'invisible 'gnus-sum)
11640 (let ((ol (gnus-make-overlay starteol (point) nil t nil)))
11641 (gnus-overlay-put ol 'invisible 'gnus-sum)
11642 (gnus-overlay-put ol 'evaporate t)))
11643 (gnus-summary-goto-subject article)
11644 (when (> start (point))
11645 (message "Hiding the thread moved us backwards, aborting!")
11646 (goto-char (point-max))))
11650 (defun gnus-summary-go-to-next-thread (&optional previous)
11651 "Go to the same level (or less) next thread.
11652 If PREVIOUS is non-nil, go to previous thread instead.
11653 Return the article number moved to, or nil if moving was impossible."
11654 (let ((level (gnus-summary-thread-level))
11655 (way (if previous -1 1))
11658 (while (and (not (eobp))
11659 (< level (gnus-summary-thread-level)))
11660 (forward-line way))
11667 (gnus-summary-article-number)
11668 (goto-char beg)))))
11670 (defun gnus-summary-next-thread (n &optional silent)
11671 "Go to the same level next N'th thread.
11672 If N is negative, search backward instead.
11673 Returns the difference between N and the number of skips actually
11676 If SILENT, don't output messages."
11678 (let ((backward (< n 0))
11680 (while (and (> n 0)
11681 (gnus-summary-go-to-next-thread backward))
11684 (gnus-summary-position-point))
11685 (when (and (not silent) (/= 0 n))
11686 (gnus-message 7 "No more threads"))
11689 (defun gnus-summary-prev-thread (n)
11690 "Go to the same level previous N'th thread.
11691 Returns the difference between N and the number of skips actually
11694 (gnus-summary-next-thread (- n)))
11696 (defun gnus-summary-go-down-thread ()
11697 "Go down one level in the current thread."
11698 (let ((children (gnus-summary-article-children)))
11700 (gnus-summary-goto-subject (car children)))))
11702 (defun gnus-summary-go-up-thread ()
11703 "Go up one level in the current thread."
11704 (let ((parent (gnus-summary-article-parent)))
11706 (gnus-summary-goto-subject parent))))
11708 (defun gnus-summary-down-thread (n)
11709 "Go down thread N steps.
11710 If N is negative, go up instead.
11711 Returns the difference between N and how many steps down that were
11716 (while (and (> n 0)
11717 (if up (gnus-summary-go-up-thread)
11718 (gnus-summary-go-down-thread)))
11720 (gnus-summary-position-point)
11722 (gnus-message 7 "Can't go further"))
11725 (defun gnus-summary-up-thread (n)
11726 "Go up thread N steps.
11727 If N is negative, go down instead.
11728 Returns the difference between N and how many steps down that were
11731 (gnus-summary-down-thread (- n)))
11733 (defun gnus-summary-top-thread ()
11734 "Go to the top of the thread."
11736 (while (gnus-summary-go-up-thread))
11737 (gnus-summary-article-number))
11739 (defun gnus-summary-expire-thread ()
11740 "Mark articles under current thread as expired."
11742 (gnus-summary-kill-thread 0))
11744 (defun gnus-summary-kill-thread (&optional unmark)
11745 "Mark articles under current thread as read.
11746 If the prefix argument is positive, remove any kinds of marks.
11747 If the prefix argument is zero, mark thread as expired.
11748 If the prefix argument is negative, tick articles instead."
11751 (setq unmark (prefix-numeric-value unmark)))
11752 (let ((articles (gnus-summary-articles-in-thread))
11753 (hide (or (null unmark) (= unmark 0))))
11755 ;; Expand the thread.
11756 (gnus-summary-show-thread)
11757 ;; Mark all the articles.
11759 (gnus-summary-goto-subject (car articles))
11760 (cond ((null unmark)
11761 (gnus-summary-mark-article-as-read gnus-killed-mark))
11763 (gnus-summary-mark-article-as-unread gnus-unread-mark))
11765 (gnus-summary-mark-article nil gnus-expirable-mark))
11767 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
11768 (setq articles (cdr articles))))
11769 ;; Hide killed subtrees when hide is true.
11771 gnus-thread-hide-killed
11772 (gnus-summary-hide-thread))
11773 ;; If hide is t, go to next unread subject.
11775 ;; Go to next unread subject.
11776 (gnus-summary-next-subject 1 t)))
11777 (gnus-set-mode-line 'summary))
11779 ;; Summary sorting commands
11781 (defun gnus-summary-sort-by-number (&optional reverse)
11782 "Sort the summary buffer by article number.
11783 Argument REVERSE means reverse order."
11785 (gnus-summary-sort 'number reverse))
11787 (defun gnus-summary-sort-by-most-recent-number (&optional reverse)
11788 "Sort the summary buffer by most recent article number.
11789 Argument REVERSE means reverse order."
11791 (gnus-summary-sort 'most-recent-number reverse))
11793 (defun gnus-summary-sort-by-random (&optional reverse)
11794 "Randomize the order in the summary buffer.
11795 Argument REVERSE means to randomize in reverse order."
11797 (gnus-summary-sort 'random reverse))
11799 (defun gnus-summary-sort-by-author (&optional reverse)
11800 "Sort the summary buffer by author name alphabetically.
11801 If `case-fold-search' is non-nil, case of letters is ignored.
11802 Argument REVERSE means reverse order."
11804 (gnus-summary-sort 'author reverse))
11806 (defun gnus-summary-sort-by-recipient (&optional reverse)
11807 "Sort the summary buffer by recipient name alphabetically.
11808 If `case-fold-search' is non-nil, case of letters is ignored.
11809 Argument REVERSE means reverse order."
11811 (gnus-summary-sort 'recipient reverse))
11813 (defun gnus-summary-sort-by-subject (&optional reverse)
11814 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
11815 If `case-fold-search' is non-nil, case of letters is ignored.
11816 Argument REVERSE means reverse order."
11818 (gnus-summary-sort 'subject reverse))
11820 (defun gnus-summary-sort-by-date (&optional reverse)
11821 "Sort the summary buffer by date.
11822 Argument REVERSE means reverse order."
11824 (gnus-summary-sort 'date reverse))
11826 (defun gnus-summary-sort-by-most-recent-date (&optional reverse)
11827 "Sort the summary buffer by most recent date.
11828 Argument REVERSE means reverse order."
11830 (gnus-summary-sort 'most-recent-date reverse))
11832 (defun gnus-summary-sort-by-score (&optional reverse)
11833 "Sort the summary buffer by score.
11834 Argument REVERSE means reverse order."
11836 (gnus-summary-sort 'score reverse))
11838 (defun gnus-summary-sort-by-lines (&optional reverse)
11839 "Sort the summary buffer by the number of lines.
11840 Argument REVERSE means reverse order."
11842 (gnus-summary-sort 'lines reverse))
11844 (defun gnus-summary-sort-by-chars (&optional reverse)
11845 "Sort the summary buffer by article length.
11846 Argument REVERSE means reverse order."
11848 (gnus-summary-sort 'chars reverse))
11850 (defun gnus-summary-sort-by-original (&optional reverse)
11851 "Sort the summary buffer using the default sorting method.
11852 Argument REVERSE means reverse order."
11854 (let* ((inhibit-read-only t)
11855 (gnus-summary-prepare-hook nil))
11856 ;; We do the sorting by regenerating the threads.
11857 (gnus-summary-prepare)
11858 ;; Hide subthreads if needed.
11859 (gnus-summary-maybe-hide-threads)))
11861 (defun gnus-summary-sort (predicate reverse)
11862 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
11863 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
11864 (article (intern (format "gnus-article-sort-by-%s" predicate)))
11865 (gnus-thread-sort-functions
11870 (gnus-sort-gathered-threads-function
11871 gnus-thread-sort-functions)
11872 (gnus-article-sort-functions
11876 (,article t2 t1))))
11877 (inhibit-read-only t)
11878 (gnus-summary-prepare-hook nil))
11879 ;; We do the sorting by regenerating the threads.
11880 (gnus-summary-prepare)
11881 ;; Hide subthreads if needed.
11882 (gnus-summary-maybe-hide-threads)))
11884 ;; Summary saving commands.
11886 (defun gnus-summary-save-article (&optional n not-saved)
11887 "Save the current article using the default saver function.
11888 If N is a positive number, save the N next articles.
11889 If N is a negative number, save the N previous articles.
11890 If N is nil and any articles have been marked with the process mark,
11891 save those articles instead.
11892 The variable `gnus-default-article-saver' specifies the saver function.
11894 If the optional second argument NOT-SAVED is non-nil, articles saved
11895 will not be marked as saved."
11897 (require 'gnus-art)
11898 (let* ((articles (gnus-summary-work-articles n))
11899 (save-buffer (save-excursion
11900 (nnheader-set-temp-buffer " *Gnus Save*")))
11901 (num (length articles))
11902 ;; Whether to save decoded articles or raw articles.
11903 (decode (when gnus-article-save-coding-system
11904 (get gnus-default-article-saver :decode)))
11905 ;; When saving many articles in a single file, use the other
11906 ;; function to save articles other than the first one.
11907 (saver2 (get gnus-default-article-saver :function))
11908 (gnus-prompt-before-saving (if saver2
11910 gnus-prompt-before-saving))
11911 (gnus-default-article-saver gnus-default-article-saver)
11913 (dolist (article articles)
11914 (setq header (gnus-summary-article-header article))
11915 (if (not (vectorp header))
11916 ;; This is a pseudo-article.
11917 (if (assq 'name header)
11918 (gnus-copy-file (cdr (assq 'name header)))
11919 (gnus-message 1 "Article %d is unsaveable" article))
11920 ;; This is a real article.
11921 (save-window-excursion
11922 (gnus-summary-select-article decode decode nil article)
11923 (gnus-summary-goto-subject article))
11924 (with-current-buffer save-buffer
11926 (insert-buffer-substring (if decode
11927 gnus-article-buffer
11928 gnus-original-article-buffer)))
11929 (setq file (gnus-article-save save-buffer file num))
11930 (gnus-summary-remove-process-mark article)
11932 (gnus-summary-set-saved-mark article)))
11934 (setq gnus-default-article-saver saver2
11936 (gnus-kill-buffer save-buffer)
11937 (gnus-summary-position-point)
11938 (gnus-set-mode-line 'summary)
11941 (defun gnus-summary-pipe-output (&optional n sym)
11942 "Pipe the current article to a subprocess.
11943 If N is a positive number, pipe the N next articles.
11944 If N is a negative number, pipe the N previous articles.
11945 If N is nil and any articles have been marked with the process mark,
11946 pipe those articles instead.
11947 The default command to which articles are piped is specified by the
11948 variable `gnus-summary-pipe-output-default-command'; if it is nil, you
11949 will be prompted for the command.
11951 The properties `:decode' and `:headers' that are put to the function
11952 symbol `gnus-summary-save-in-pipe' control whether this function
11953 decodes articles and what headers to keep (see the doc string for the
11954 `gnus-default-article-saver' variable). If SYM (the symbolic prefix)
11955 is neither omitted nor the symbol `r', force including all headers
11956 regardless of the `:headers' property. If it is the symbol `r',
11957 articles that are not decoded and include all headers will be piped
11958 no matter what the properties `:decode' and `:headers' are."
11959 (interactive (gnus-interactive "P\ny"))
11960 (require 'gnus-art)
11961 (let* ((articles (gnus-summary-work-articles n))
11962 (result-buffer "*Shell Command Output*")
11963 (all-headers (not (memq sym '(nil r))))
11964 (gnus-save-all-headers (or all-headers gnus-save-all-headers))
11966 (headers (get 'gnus-summary-save-in-pipe :headers))
11968 (unless (numberp (car articles))
11969 (error "No article to pipe"))
11970 (setq command (gnus-read-shell-command
11971 (concat "Shell command on "
11973 (format "these %d articles" (length articles))
11976 gnus-summary-pipe-output-default-command))
11977 (when (string-equal command "")
11978 (error "A command is required"))
11980 (put 'gnus-summary-save-in-pipe :headers nil))
11983 (gnus-summary-goto-subject (pop articles))
11984 (save-window-excursion (gnus-summary-save-in-pipe command raw))
11985 (when (and (get-buffer result-buffer)
11986 (not (zerop (buffer-size (get-buffer result-buffer)))))
11987 (setq result (concat result (with-current-buffer result-buffer
11988 (buffer-string))))))
11989 (put 'gnus-summary-save-in-pipe :headers headers))
11990 (unless (zerop (length result))
11991 (if (with-current-buffer (get-buffer-create result-buffer)
11995 (and (= (count-lines (point-min) (point)) 1)
11998 (<= (current-column)
11999 (window-width (minibuffer-window)))))
12000 (goto-char (point-min))))
12001 (message "%s" (substring result 0 -1))
12003 (gnus-configure-windows 'pipe)))))
12005 (defun gnus-summary-save-article-mail (&optional arg)
12006 "Append the current article to a Unix mail box file.
12007 If N is a positive number, save the N next articles.
12008 If N is a negative number, save the N previous articles.
12009 If N is nil and any articles have been marked with the process mark,
12010 save those articles instead."
12012 (require 'gnus-art)
12013 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
12014 (gnus-summary-save-article arg)))
12016 (defun gnus-summary-save-article-rmail (&optional arg)
12017 "Append the current article to an rmail file.
12018 If N is a positive number, save the N next articles.
12019 If N is a negative number, save the N previous articles.
12020 If N is nil and any articles have been marked with the process mark,
12021 save those articles instead."
12023 (require 'gnus-art)
12024 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
12025 (gnus-summary-save-article arg)))
12027 (defun gnus-summary-save-article-file (&optional arg)
12028 "Append the current article to a file.
12029 If N is a positive number, save the N next articles.
12030 If N is a negative number, save the N previous articles.
12031 If N is nil and any articles have been marked with the process mark,
12032 save those articles instead."
12034 (require 'gnus-art)
12035 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
12036 (gnus-summary-save-article arg)))
12038 (defun gnus-summary-write-article-file (&optional arg)
12039 "Write the current article to a file, deleting the previous file.
12040 If N is a positive number, save the N next articles.
12041 If N is a negative number, save the N previous articles.
12042 If N is nil and any articles have been marked with the process mark,
12043 save those articles instead."
12045 (require 'gnus-art)
12046 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
12047 (gnus-summary-save-article arg)))
12049 (defun gnus-summary-save-article-body-file (&optional arg)
12050 "Append the current article body to a file.
12051 If N is a positive number, save the N next articles.
12052 If N is a negative number, save the N previous articles.
12053 If N is nil and any articles have been marked with the process mark,
12054 save those articles instead."
12056 (require 'gnus-art)
12057 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
12058 (gnus-summary-save-article arg)))
12060 (defun gnus-summary-write-article-body-file (&optional arg)
12061 "Write the current article body to a file, deleting the previous file.
12062 If N is a positive number, save the N next articles.
12063 If N is a negative number, save the N previous articles.
12064 If N is nil and any articles have been marked with the process mark,
12065 save those articles instead."
12067 (require 'gnus-art)
12068 (let ((gnus-default-article-saver 'gnus-summary-write-body-to-file))
12069 (gnus-summary-save-article arg)))
12071 (defun gnus-summary-muttprint (&optional arg)
12072 "Print the current article using Muttprint.
12073 If N is a positive number, save the N next articles.
12074 If N is a negative number, save the N previous articles.
12075 If N is nil and any articles have been marked with the process mark,
12076 save those articles instead."
12078 (require 'gnus-art)
12079 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
12080 (gnus-summary-save-article arg t)))
12082 (defun gnus-summary-pipe-message (program)
12083 "Pipe the current article through PROGRAM."
12084 (interactive "sProgram: ")
12085 (gnus-summary-select-article)
12086 (let ((mail-header-separator ""))
12087 (gnus-eval-in-buffer-window gnus-article-buffer
12090 (let ((start (window-start))
12091 (inhibit-read-only t))
12092 (message-pipe-buffer-body program)
12093 (set-window-start (get-buffer-window (current-buffer)) start))))))
12095 (defun gnus-get-split-value (methods)
12096 "Return a value based on the split METHODS."
12097 (let (split-name method result match)
12099 (with-current-buffer gnus-original-article-buffer
12101 (nnheader-narrow-to-headers)
12102 (while (and methods (not split-name))
12103 (goto-char (point-min))
12104 (setq method (pop methods))
12105 (setq match (car method))
12108 ;; Regular expression.
12110 (re-search-forward match nil t)))
12115 (setq result (funcall match gnus-newsgroup-name))))
12120 (setq result (eval match)))))
12121 (setq split-name (cdr method))
12122 (cond ((stringp result)
12123 (push (expand-file-name
12124 result gnus-article-save-directory)
12127 (setq split-name (append result split-name)))))))))
12128 (nreverse split-name)))
12130 (defun gnus-valid-move-group-p (group)
12131 (and (symbolp group)
12133 (symbol-name group)
12134 (symbol-value group)
12135 (gnus-get-function (gnus-find-method-for-group
12136 (symbol-name group)) 'request-accept-article t)))
12138 (defun gnus-read-move-group-name (prompt default articles prefix)
12139 "Read a group name."
12140 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
12141 (minibuffer-confirm-incomplete nil) ; XEmacs
12145 (if (> (length articles) 1)
12146 (format "these %d articles" (length articles))
12151 (gnus-group-completing-read
12153 (gnus-remove-if-not 'gnus-valid-move-group-p gnus-active-hashtb t)
12154 nil prefix nil default))
12155 ((= 1 (length split-name))
12156 (gnus-group-completing-read
12158 (gnus-remove-if-not 'gnus-valid-move-group-p gnus-active-hashtb t)
12159 nil prefix 'gnus-group-history (car split-name)))
12161 (gnus-completing-read
12162 prom (nreverse split-name) nil nil 'gnus-group-history))))
12163 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup)))
12166 (if (or (string= to-newsgroup "")
12167 (string= to-newsgroup prefix))
12168 (setq to-newsgroup default))
12169 (unless to-newsgroup
12170 (error "No group name entered"))
12171 (setq encoded (mm-encode-coding-string
12173 (gnus-group-name-charset to-method to-newsgroup)))
12174 (or (gnus-active encoded)
12175 (gnus-activate-group encoded nil nil to-method)
12176 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
12178 (or (and (gnus-request-create-group encoded to-method)
12179 (gnus-activate-group encoded nil nil to-method)
12180 (gnus-subscribe-group encoded))
12181 (error "Couldn't create group %s" to-newsgroup)))
12182 (error "No such group: %s" to-newsgroup))
12185 (defvar gnus-summary-save-parts-counter)
12186 (declare-function mm-uu-dissect "mm-uu" (&optional noheader mime-type))
12188 (defun gnus-summary-save-parts (type dir n &optional reverse)
12189 "Save parts matching TYPE to DIR.
12190 If REVERSE, save parts that do not match TYPE."
12192 (list (read-string "Save parts of type: "
12193 (or (car gnus-summary-save-parts-type-history)
12194 gnus-summary-save-parts-default-mime)
12195 'gnus-summary-save-parts-type-history)
12196 (setq gnus-summary-save-parts-last-directory
12197 (read-directory-name "Save to directory: "
12198 gnus-summary-save-parts-last-directory
12200 current-prefix-arg))
12201 (gnus-summary-iterate n
12202 (let ((gnus-display-mime-function nil)
12203 gnus-article-prepare-hook
12204 gnus-article-decode-hook
12205 gnus-display-mime-function
12207 (gnus-inhibit-treatment t))
12208 (gnus-summary-select-article))
12209 (with-current-buffer gnus-article-buffer
12210 (let ((handles (or gnus-article-mime-handles
12211 (mm-dissect-buffer nil gnus-article-loose-mime)
12212 (and gnus-article-emulate-mime
12214 (gnus-summary-save-parts-counter 1))
12216 (gnus-summary-save-parts-1 type dir handles reverse)
12217 (unless gnus-article-mime-handles ;; Don't destroy this case.
12218 (mm-destroy-parts handles)))))))
12220 (defun gnus-summary-save-parts-1 (type dir handle reverse)
12221 (if (stringp (car handle))
12222 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
12225 (not (string-match type (mm-handle-media-type handle)))
12226 (string-match type (mm-handle-media-type handle)))
12227 (let ((file (expand-file-name
12229 mm-file-name-rewrite-functions
12230 (file-name-nondirectory
12232 (mm-handle-filename handle)
12233 (format "%s.%d.%d" gnus-newsgroup-name
12234 (cdr gnus-article-current)
12235 gnus-summary-save-parts-counter))))
12237 (incf gnus-summary-save-parts-counter)
12238 (unless (file-exists-p file)
12239 (mm-save-part-to-file handle file))))))
12241 ;; Summary extract commands
12243 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
12244 (let ((inhibit-read-only t)
12245 (article (gnus-summary-article-number))
12247 (unless (gnus-summary-goto-subject article)
12248 (error "No such article: %d" article))
12249 (gnus-summary-position-point)
12250 ;; If all commands are to be bunched up on one line, we collect
12252 (unless gnus-view-pseudos-separately
12253 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
12256 (setq action (cdr (assq 'action (car ps))))
12257 (setq files (list (cdr (assq 'name (car ps)))))
12258 (while (and ps (cdr ps)
12259 (string= (or action "1")
12260 (or (cdr (assq 'action (cadr ps))) "2")))
12261 (push (cdr (assq 'name (cadr ps))) files)
12262 (setcdr ps (cddr ps)))
12264 (when (not (string-match "%s" action))
12267 (when (assq 'execute (car ps))
12268 (setcdr (assq 'execute (car ps))
12269 (funcall (if (string-match "%s" action)
12276 (shell-quote-argument f)))
12278 (setq ps (cdr ps)))))
12279 (if (and gnus-view-pseudos (not not-view))
12281 (when (assq 'execute (car pslist))
12282 (gnus-execute-command (cdr (assq 'execute (car pslist)))
12283 (eq gnus-view-pseudos 'not-confirm)))
12284 (setq pslist (cdr pslist)))
12287 (setq after-article (or (cdr (assq 'article (car pslist)))
12288 (gnus-summary-article-number)))
12289 (gnus-summary-goto-subject after-article)
12292 (insert " " (file-name-nondirectory
12293 (cdr (assq 'name (car pslist))))
12294 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
12296 (forward-line -1) ; back to `b'
12297 (gnus-add-text-properties
12298 b (1- e) (list 'gnus-number gnus-reffed-article-number
12299 gnus-mouse-face-prop gnus-mouse-face))
12301 after-article gnus-reffed-article-number
12302 gnus-unread-mark b (car pslist) 0 (- e b))
12303 (setq gnus-newsgroup-unreads
12304 (gnus-add-to-sorted-list gnus-newsgroup-unreads
12305 gnus-reffed-article-number))
12306 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
12307 (setq pslist (cdr pslist)))))))
12309 (defun gnus-pseudos< (p1 p2)
12310 (let ((c1 (cdr (assq 'action p1)))
12311 (c2 (cdr (assq 'action p2))))
12312 (and c1 c2 (string< c1 c2))))
12314 (defun gnus-request-pseudo-article (props)
12315 (cond ((assq 'execute props)
12316 (gnus-execute-command (cdr (assq 'execute props)))))
12317 (let ((gnus-current-article (gnus-summary-article-number)))
12318 (gnus-run-hooks 'gnus-mark-article-hook)))
12320 (defun gnus-execute-command (command &optional automatic)
12322 (gnus-article-setup-buffer)
12323 (set-buffer gnus-article-buffer)
12324 (setq buffer-read-only nil)
12325 (let ((command (if automatic command
12326 (read-string "Command: " (cons command 0)))))
12328 (insert "$ " command "\n\n")
12329 (if gnus-view-pseudo-asynchronously
12330 (start-process "gnus-execute" (current-buffer) shell-file-name
12331 shell-command-switch command)
12332 (call-process shell-file-name nil t nil
12333 shell-command-switch command)))))
12335 ;; Summary kill commands.
12337 (defun gnus-summary-edit-global-kill (article)
12338 "Edit the \"global\" kill file."
12339 (interactive (list (gnus-summary-article-number)))
12340 (gnus-group-edit-global-kill article))
12342 (defun gnus-summary-edit-local-kill ()
12343 "Edit a local kill file applied to the current newsgroup."
12345 (setq gnus-current-headers (gnus-summary-article-header))
12346 (gnus-group-edit-local-kill
12347 (gnus-summary-article-number) gnus-newsgroup-name))
12349 ;;; Header reading.
12351 (defun gnus-read-header (id &optional header)
12352 "Read the headers of article ID and enter them into the Gnus system."
12353 (let ((group gnus-newsgroup-name)
12354 (gnus-override-method
12356 gnus-override-method
12357 (and (gnus-news-group-p gnus-newsgroup-name)
12358 (car (gnus-refer-article-methods)))))
12360 ;; First we check to see whether the header in question is already
12363 ;; This is a Message-ID.
12364 (setq header (or header (gnus-id-to-header id)))
12365 ;; This is an article number.
12366 (setq header (or header (gnus-summary-article-header id))))
12368 (not (gnus-summary-article-sparse-p (mail-header-number header))))
12369 ;; We have found the header.
12371 ;; We have to really fetch the header to this article.
12372 (with-current-buffer nntp-server-buffer
12373 (when (setq where (gnus-request-head id group))
12374 (nnheader-fold-continuation-lines)
12375 (goto-char (point-max))
12377 (goto-char (point-min))
12381 ((cdr where) (cdr where))
12382 (header (mail-header-number header))
12383 (t gnus-reffed-article-number))
12385 (insert " Article retrieved.\n"))
12386 (if (or (not where)
12387 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
12388 () ; Malformed head.
12389 (unless (gnus-summary-article-sparse-p (mail-header-number header))
12390 (when (and (stringp id)
12392 (not (string= (gnus-group-real-name group)
12394 (not (gnus-server-equal gnus-override-method
12395 (gnus-group-method group)))))
12396 ;; If we fetched by Message-ID and the article came from
12397 ;; a different group (or server), we fudge some bogus
12398 ;; article numbers for this article.
12399 (mail-header-set-number header gnus-reffed-article-number))
12400 (with-current-buffer gnus-summary-buffer
12401 (decf gnus-reffed-article-number)
12402 (gnus-remove-header (mail-header-number header))
12403 (push header gnus-newsgroup-headers)
12404 (setq gnus-current-headers header)
12405 (push (mail-header-number header) gnus-newsgroup-limit)))
12408 (defun gnus-remove-header (number)
12409 "Remove header NUMBER from `gnus-newsgroup-headers'."
12410 (if (and gnus-newsgroup-headers
12411 (= number (mail-header-number (car gnus-newsgroup-headers))))
12412 (pop gnus-newsgroup-headers)
12413 (let ((headers gnus-newsgroup-headers))
12414 (while (and (cdr headers)
12415 (not (= number (mail-header-number (cadr headers)))))
12417 (when (cdr headers)
12418 (setcdr headers (cddr headers))))))
12421 ;;; summary highlights
12424 (defun gnus-highlight-selected-summary ()
12425 "Highlight selected article in summary buffer."
12426 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
12427 (when gnus-summary-selected-face
12429 (let* ((beg (point-at-bol))
12430 (end (point-at-eol))
12431 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
12432 (from (if (get-text-property beg gnus-mouse-face-prop)
12434 (or (next-single-property-change
12435 beg gnus-mouse-face-prop nil end)
12440 (or (next-single-property-change
12441 from gnus-mouse-face-prop nil end)
12443 ;; If no mouse-face prop on line we will have to = from = end,
12444 ;; so we highlight the entire line instead.
12445 (when (= (+ to 2) from)
12448 (if gnus-newsgroup-selected-overlay
12449 ;; Move old overlay.
12451 gnus-newsgroup-selected-overlay from to (current-buffer))
12452 ;; Create new overlay.
12454 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
12455 'face gnus-summary-selected-face))))))
12457 (defvar gnus-summary-highlight-line-cached nil)
12458 (defvar gnus-summary-highlight-line-trigger nil)
12460 (defun gnus-summary-highlight-line-0 ()
12461 (if (and (eq gnus-summary-highlight-line-trigger
12462 gnus-summary-highlight)
12463 gnus-summary-highlight-line-cached)
12464 gnus-summary-highlight-line-cached
12465 (setq gnus-summary-highlight-line-trigger gnus-summary-highlight
12466 gnus-summary-highlight-line-cached
12467 (let* ((cond (list 'cond))
12469 (list gnus-summary-highlight))
12471 (setcdr c (cons (list (caar list) (list 'quote (cdar list)))
12475 (gnus-byte-compile (list 'lambda nil cond))))))
12477 (defun gnus-summary-highlight-line ()
12478 "Highlight current line according to `gnus-summary-highlight'."
12479 (let* ((beg (point-at-bol))
12480 (article (or (gnus-summary-article-number) gnus-current-article))
12481 (score (or (cdr (assq article
12482 gnus-newsgroup-scored))
12483 gnus-summary-default-score 0))
12484 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
12485 (inhibit-read-only t)
12486 (default gnus-summary-default-score)
12487 (default-high gnus-summary-default-high-score)
12488 (default-low gnus-summary-default-low-score)
12489 (uncached (and gnus-summary-use-undownloaded-faces
12490 (memq article gnus-newsgroup-undownloaded)
12491 (not (memq article gnus-newsgroup-cached)))))
12492 (let ((face (funcall (gnus-summary-highlight-line-0))))
12493 (unless (eq face (get-text-property beg 'face))
12494 (gnus-put-text-property-excluding-characters-with-faces
12495 beg (point-at-eol) 'face
12496 (setq face (if (boundp face) (symbol-value face) face)))
12497 (when gnus-summary-highlight-line-function
12498 (funcall gnus-summary-highlight-line-function article face))))))
12500 (defun gnus-update-read-articles (group unread &optional compute)
12501 "Update the list of read articles in GROUP.
12502 UNREAD is a sorted list."
12503 (let ((active (or gnus-newsgroup-active (gnus-active group)))
12504 (info (gnus-get-info group))
12507 (if (or (not info) (not active))
12508 ;; There is no info on this group if it was, in fact,
12509 ;; killed. Gnus stores no information on killed groups, so
12510 ;; there's nothing to be done.
12511 ;; One could store the information somewhere temporarily,
12512 ;; perhaps... Hmmm...
12514 ;; Remove any negative articles numbers.
12515 (while (and unread (< (car unread) 0))
12516 (setq unread (cdr unread)))
12517 ;; Remove any expired article numbers
12518 (while (and unread (< (car unread) (car active)))
12519 (setq unread (cdr unread)))
12520 ;; Compute the ranges of read articles by looking at the list of
12521 ;; unread articles.
12523 (when (/= (car unread) prev)
12524 (push (if (= prev (1- (car unread))) prev
12525 (cons prev (1- (car unread))))
12527 (setq prev (1+ (car unread)))
12528 (setq unread (cdr unread)))
12529 (when (<= prev (cdr active))
12530 (push (cons prev (cdr active)) read))
12531 (setq read (if (> (length read) 1) (nreverse read) read))
12536 ;; Propagate the read marks to the backend.
12537 (when (and (or gnus-propagate-marks
12538 (gnus-method-option-p
12539 (gnus-find-method-for-group group)
12541 (gnus-check-backend-function 'request-set-mark group))
12542 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
12543 (add (gnus-remove-from-range read (gnus-info-read info))))
12545 (unless (gnus-check-group group)
12546 (error "Can't open server for %s" group))
12547 (gnus-request-set-mark
12548 group (delq nil (list (if add (list add 'add '(read)))
12549 (if del (list del 'del '(read))))))
12551 `(gnus-request-set-mark
12554 (if del (list del 'add '(read)))
12555 (if add (list add 'del '(read))))))))))
12556 (set-buffer gnus-group-buffer)
12557 (gnus-undo-register
12559 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
12560 (gnus-info-set-read ',info ',(gnus-info-read info))
12561 (gnus-get-unread-articles-in-group ',info
12562 (gnus-active ,group))
12563 (gnus-group-update-group ,group t)
12565 ;; Enter this list into the group info.
12566 (gnus-info-set-read info read)
12567 ;; Set the number of unread articles in gnus-newsrc-hashtb.
12568 (gnus-get-unread-articles-in-group info (gnus-active group))
12571 (defun gnus-offer-save-summaries ()
12572 "Offer to save all active summary buffers."
12574 ;; Go through all buffers and find all summaries.
12575 (dolist (buffer (buffer-list))
12576 (when (and (setq buffer (buffer-name buffer))
12577 (string-match "Summary" buffer)
12578 (with-current-buffer buffer
12579 ;; We check that this is, indeed, a summary buffer.
12580 (and (eq major-mode 'gnus-summary-mode)
12581 ;; Also make sure this isn't bogus.
12582 gnus-newsgroup-prepared
12583 ;; Also make sure that this isn't a
12584 ;; dead summary buffer.
12585 (not gnus-dead-summary-mode))))
12586 (push buffer buffers)))
12587 ;; Go through all these summary buffers and offer to save them.
12591 "Update summary buffer %s? "
12593 (switch-to-buffer buf)
12594 (gnus-summary-exit))
12597 (defun gnus-summary-setup-default-charset ()
12598 "Setup newsgroup default charset."
12599 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
12600 (setq gnus-newsgroup-charset nil)
12601 (let* ((ignored-charsets
12602 (or gnus-newsgroup-ephemeral-ignored-charsets
12604 (and gnus-newsgroup-name
12605 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
12606 gnus-newsgroup-ignored-charsets))))
12607 (setq gnus-newsgroup-charset
12608 (or gnus-newsgroup-ephemeral-charset
12609 (and gnus-newsgroup-name
12610 (gnus-parameter-charset gnus-newsgroup-name))
12611 gnus-default-charset))
12612 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
12613 ignored-charsets))))
12619 (defun gnus-summary-display-buttonized (&optional show-all-parts)
12620 "Display the current article buffer fully MIME-buttonized.
12621 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
12622 treated as multipart/mixed."
12624 (require 'gnus-art)
12625 (let ((gnus-unbuttonized-mime-types nil)
12626 (gnus-mime-display-multipart-as-mixed show-all-parts))
12627 (gnus-summary-show-article)))
12629 (defun gnus-summary-repair-multipart (article)
12630 "Add a Content-Type header to a multipart article without one."
12631 (interactive (list (gnus-summary-article-number)))
12632 (gnus-with-article article
12633 (message-narrow-to-head)
12634 (message-remove-header "Mime-Version")
12635 (goto-char (point-max))
12636 (insert "Mime-Version: 1.0\n")
12638 (when (search-forward "\n--" nil t)
12639 (let ((separator (buffer-substring (point) (point-at-eol))))
12640 (message-narrow-to-head)
12641 (message-remove-header "Content-Type")
12642 (goto-char (point-max))
12643 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
12646 (let (gnus-mark-article-hook)
12647 (gnus-summary-select-article t t nil article)))
12649 (defun gnus-summary-toggle-display-buttonized ()
12650 "Toggle the buttonizing of the article buffer."
12652 (require 'gnus-art)
12653 (if (setq gnus-inhibit-mime-unbuttonizing
12654 (not gnus-inhibit-mime-unbuttonizing))
12655 (let ((gnus-unbuttonized-mime-types nil))
12656 (gnus-summary-show-article))
12657 (gnus-summary-show-article)))
12660 ;;; Generic summary marking commands
12663 (defvar gnus-summary-marking-alist
12664 '((read gnus-del-mark "d")
12665 (unread gnus-unread-mark "u")
12666 (ticked gnus-ticked-mark "!")
12667 (dormant gnus-dormant-mark "?")
12668 (expirable gnus-expirable-mark "e"))
12669 "An alist of names/marks/keystrokes.")
12671 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
12672 (defvar gnus-summary-mark-map)
12674 (defun gnus-summary-make-all-marking-commands ()
12675 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
12676 (dolist (elem gnus-summary-marking-alist)
12677 (apply 'gnus-summary-make-marking-command elem)))
12679 (defun gnus-summary-make-marking-command (name mark keystroke)
12680 (let ((map (make-sparse-keymap)))
12681 (define-key gnus-summary-generic-mark-map keystroke map)
12682 (dolist (lway `((next "next" next nil "n")
12683 (next-unread "next unread" next t "N")
12684 (prev "previous" prev nil "p")
12685 (prev-unread "previous unread" prev t "P")
12686 (nomove "" nil nil ,keystroke)))
12687 (let ((func (gnus-summary-make-marking-command-1
12688 mark (car lway) lway name)))
12689 (setq func (eval func))
12690 (define-key map (nth 4 lway) func)))))
12692 (defun gnus-summary-make-marking-command-1 (mark way lway name)
12694 (format "gnus-summary-put-mark-as-%s%s"
12695 name (if (eq way 'nomove)
12697 (concat "-" (symbol-name way)))))
12700 "Mark the current article as %s%s.
12701 If N, the prefix, then repeat N times.
12702 If N is negative, move in reverse order.
12703 The difference between N and the actual number of articles marked is
12707 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
12709 (defun gnus-summary-generic-mark (n mark move unread)
12710 "Mark N articles with MARK."
12711 (unless (eq major-mode 'gnus-summary-mode)
12712 (error "This command can only be used in the summary buffer"))
12713 (gnus-summary-show-thread)
12716 ((eq move 'next) 1)
12717 ((eq move 'prev) -1)
12719 (if (zerop nummove)
12723 nummove (* -1 nummove))))
12724 (while (and (> n 0)
12725 (gnus-summary-mark-article nil mark)
12726 (zerop (gnus-summary-next-subject nummove unread t)))
12729 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
12730 (gnus-summary-recenter)
12731 (gnus-summary-position-point)
12732 (gnus-set-mode-line 'summary)
12735 (defun gnus-summary-insert-articles (articles)
12736 (when (setq articles
12737 (gnus-sorted-difference articles
12738 (mapcar (lambda (h)
12739 (mail-header-number h))
12740 gnus-newsgroup-headers)))
12741 (setq gnus-newsgroup-headers
12743 gnus-newsgroup-headers
12744 (gnus-fetch-headers articles)
12745 'gnus-article-sort-by-number))
12746 ;; Suppress duplicates?
12747 (when gnus-suppress-duplicates
12748 (gnus-dup-suppress-articles))
12750 (if (and gnus-fetch-old-headers
12751 (eq gnus-headers-retrieved-by 'nov))
12752 ;; We might want to build some more threads first.
12753 (if (eq gnus-fetch-old-headers 'invisible)
12754 (gnus-build-all-threads)
12755 (gnus-build-old-threads))
12756 ;; Mark the inserted articles that are unread as unread.
12757 (setq gnus-newsgroup-unreads
12758 (gnus-sorted-nunion
12759 gnus-newsgroup-unreads
12760 (gnus-sorted-nintersection
12761 (gnus-list-of-unread-articles gnus-newsgroup-name)
12763 ;; Mark the inserted articles as selected so that the information
12764 ;; of the marks having been changed by a user may be updated when
12765 ;; exiting this group. See `gnus-summary-update-info'.
12766 (dolist (art articles)
12767 (setq gnus-newsgroup-unselected (delq art gnus-newsgroup-unselected))))
12768 ;; Let the Gnus agent mark articles as read.
12770 (gnus-agent-get-undownloaded-list))
12771 ;; Remove list identifiers from subject
12772 (gnus-summary-remove-list-identifiers)
12773 ;; First and last article in this newsgroup.
12774 (when gnus-newsgroup-headers
12775 (setq gnus-newsgroup-begin
12776 (mail-header-number (car gnus-newsgroup-headers))
12778 (mail-header-number
12779 (gnus-last-element gnus-newsgroup-headers))))
12780 (when gnus-use-scoring
12781 (gnus-possibly-score-headers))))
12783 (defun gnus-summary-insert-old-articles (&optional all)
12784 "Insert all old articles in this group.
12785 If ALL is non-nil, already read articles become readable.
12786 If ALL is a number, fetch this number of articles."
12789 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
12792 ;; Some nntp servers lie about their active range. When
12793 ;; this happens, the active range can be in the millions.
12794 ;; Use a compressed range to avoid creating a huge list.
12795 (gnus-range-difference (list gnus-newsgroup-active) old))
12796 (setq len (gnus-range-length older))
12801 (let ((older-range (nreverse older)))
12805 (let* ((r (pop older-range))
12806 (min (if (numberp r) r (car r)))
12807 (max (if (numberp r) r (cdr r))))
12808 (while (and (<= min max)
12813 (setq older (gnus-uncompress-range older))))
12815 (setq older (gnus-uncompress-range older)))
12817 (when (and (numberp gnus-large-newsgroup)
12818 (> len gnus-large-newsgroup))
12819 (let* ((cursor-in-echo-area nil)
12820 (initial (gnus-parameter-large-newsgroup-initial
12821 gnus-newsgroup-name))
12825 "How many articles from %s (%s %d): "
12826 (gnus-group-decoded-name gnus-newsgroup-name)
12827 (if initial "max" "default")
12830 (cons (number-to-string initial)
12832 (unless (string-match "^[ \t]*$" input)
12833 (setq all (string-to-number input))
12835 (let ((older-range (nreverse older)))
12839 (let* ((r (pop older-range))
12840 (min (if (numberp r) r (car r)))
12841 (max (if (numberp r) r (cdr r))))
12842 (while (and (<= min max)
12846 max (1- max))))))))))
12847 (setq older (gnus-uncompress-range older))))
12849 (message "No old news.")
12850 (gnus-summary-insert-articles older)
12851 (gnus-summary-limit (gnus-sorted-nunion old older))))
12852 (gnus-summary-position-point)))
12854 (defun gnus-summary-insert-new-articles ()
12855 "Insert all new articles in this group."
12857 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
12858 (old-high gnus-newsgroup-highest)
12859 (nnmail-fetched-sources (list t))
12860 (new-active (gnus-activate-group gnus-newsgroup-name 'scan))
12863 (error "Couldn't fetch new data"))
12864 (setq gnus-newsgroup-active (gnus-copy-sequence new-active))
12865 (setq i (cdr gnus-newsgroup-active)
12866 gnus-newsgroup-highest i)
12867 (while (> i old-high)
12871 (message "No gnus is bad news")
12872 (gnus-summary-insert-articles new)
12873 (setq gnus-newsgroup-unreads
12874 (gnus-sorted-nunion gnus-newsgroup-unreads new))
12875 (gnus-summary-limit (gnus-sorted-nunion old new))))
12876 (gnus-summary-position-point))
12878 ;;; Bookmark support for Gnus.
12879 (declare-function bookmark-make-record-default
12880 "bookmark" (&optional no-file no-context posn))
12881 (declare-function bookmark-prop-get "bookmark" (bookmark prop))
12882 (declare-function bookmark-default-handler "bookmark" (bmk))
12883 (declare-function bookmark-get-bookmark-record "bookmark" (bmk))
12884 (defvar bookmark-yank-point)
12885 (defvar bookmark-current-buffer)
12887 (defun gnus-summary-bookmark-make-record ()
12888 "Make a bookmark entry for a Gnus summary buffer."
12890 (unless (and (derived-mode-p 'gnus-summary-mode) gnus-article-current)
12891 (save-restriction ; FIXME is it necessary to widen?
12892 (widen) (setq pos (point))) ; Set position in gnus-article buffer.
12893 (setq buf "art") ; We are recording bookmark from article buffer.
12894 (setq bookmark-yank-point (point))
12895 (setq bookmark-current-buffer (current-buffer))
12896 (gnus-article-show-summary)) ; Go back in summary buffer.
12897 ;; We are now recording bookmark from summary buffer.
12898 (unless buf (setq buf "sum"))
12899 (let* ((subject (elt (gnus-summary-article-header) 1))
12900 (grp (car gnus-article-current))
12901 (art (cdr gnus-article-current))
12902 (head (gnus-summary-article-header art))
12903 (id (mail-header-id head)))
12905 ,@(condition-case nil
12906 (bookmark-make-record-default 'no-file 'no-context pos)
12907 (wrong-number-of-arguments
12908 (bookmark-make-record-default 'point-only)))
12909 (location . ,(format "Gnus-%s %s:%d:%s" buf grp art id))
12910 (group . ,grp) (article . ,art)
12911 (message-id . ,id) (handler . gnus-summary-bookmark-jump)))))
12914 (defun gnus-summary-bookmark-jump (bookmark)
12915 "Handler function for record returned by `gnus-summary-bookmark-make-record'.
12916 BOOKMARK is a bookmark name or a bookmark record."
12917 (let ((group (bookmark-prop-get bookmark 'group))
12918 (article (bookmark-prop-get bookmark 'article))
12919 (id (bookmark-prop-get bookmark 'message-id))
12920 (buf (car (split-string (bookmark-prop-get bookmark 'location)))))
12921 (gnus-fetch-group group (list article))
12922 (gnus-summary-insert-cached-articles)
12923 (gnus-summary-goto-article id nil 'force)
12924 ;; FIXME we have to wait article buffer is ready (only large buffer)
12925 ;; Is there a better solution to know that?
12926 ;; If we don't wait `bookmark-default-handler' will have no chance
12927 ;; to set position. However there is no error, just wrong pos.
12929 (when (string= buf "Gnus-art")
12931 (bookmark-default-handler
12933 (buffer . ,(current-buffer))
12934 . ,(bookmark-get-bookmark-record bookmark)))))
12936 (gnus-summary-make-all-marking-commands)
12938 (gnus-ems-redefine)
12940 (provide 'gnus-sum)
12942 (run-hooks 'gnus-sum-load-hook)
12944 ;; Local Variables:
12945 ;; coding: iso-8859-1
12948 ;;; gnus-sum.el ends here