1 ;;; gnus-sum.el --- summary mode commands for Gnus
3 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
4 ;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc.
6 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software: you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation, either version 3 of the License, or
14 ;; (at your option) any later version.
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
30 (unless (fboundp 'declare-function) (defmacro declare-function (&rest r))))
34 (when (featurep 'xemacs)
35 (require 'easy-mmode))) ; for `define-minor-mode'
37 (defvar tool-bar-mode)
38 (defvar gnus-tmp-header)
51 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
52 (autoload 'gnus-cache-write-active "gnus-cache")
53 (autoload 'gnus-mailing-list-insinuate "gnus-ml" nil t)
54 (autoload 'turn-on-gnus-mailing-list-mode "gnus-ml" nil t)
55 (autoload 'gnus-pick-line-number "gnus-salt" nil t)
56 (autoload 'mm-uu-dissect "mm-uu")
57 (autoload 'gnus-article-outlook-deuglify-article "deuglify"
58 "Deuglify broken Outlook (Express) articles and redisplay."
60 (autoload 'gnus-article-outlook-unwrap-lines "deuglify" nil t)
61 (autoload 'gnus-article-outlook-repair-attribution "deuglify" nil t)
62 (autoload 'gnus-article-outlook-rearrange-citation "deuglify" nil t)
64 (defcustom gnus-kill-summary-on-exit t
65 "*If non-nil, kill the summary buffer when you exit from it.
66 If nil, the summary will become a \"*Dead Summary*\" buffer, and
67 it will be killed sometime later."
68 :group 'gnus-summary-exit
71 (defcustom gnus-summary-next-group-on-exit t
72 "If non-nil, go to the next unread newsgroup on summary exit.
73 See `gnus-group-goto-unread'."
74 :link '(custom-manual "(gnus)Group Maneuvering")
75 :group 'gnus-summary-exit
76 :version "23.1" ;; No Gnus
79 (defcustom gnus-summary-stop-at-end-of-message nil
80 "If non-nil, don't select the next message when using `SPC'."
81 :link '(custom-manual "(gnus)Group Maneuvering")
82 :group 'gnus-summary-maneuvering
86 (defcustom gnus-fetch-old-headers nil
87 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
88 If an unread article in the group refers to an older, already
89 read (or just marked as read) article, the old article will not
90 normally be displayed in the Summary buffer. If this variable is
91 t, Gnus will attempt to grab the headers to the old articles, and
92 thereby build complete threads. If it has the value `some', all
93 old headers will be fetched but only enough headers to connect
94 otherwise loose threads will be displayed. This variable can
95 also be a number. In that case, no more than that number of old
96 headers will be fetched. If it has the value `invisible', all
97 old headers will be fetched, but none will be displayed.
99 The server has to support NOV for any of this to work.
101 This feature can seriously impact performance it ignores all
102 locally cached header entries. Setting it to t for groups for a
103 server that doesn't expire articles (such as news.gmane.org),
104 leads to very slow summary generation."
106 :type '(choice (const :tag "off" nil)
111 (sexp :menu-tag "other" t)))
113 (defcustom gnus-refer-thread-limit 500
114 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
115 If t, fetch all the available old headers."
117 :type '(choice number
118 (sexp :menu-tag "other" t)))
120 (defcustom gnus-summary-make-false-root 'adopt
121 "*nil means that Gnus won't gather loose threads.
122 If the root of a thread has expired or been read in a previous
123 session, the information necessary to build a complete thread has been
124 lost. Instead of having many small sub-threads from this original thread
125 scattered all over the summary buffer, Gnus can gather them.
127 If non-nil, Gnus will try to gather all loose sub-threads from an
128 original thread into one large thread.
130 If this variable is non-nil, it should be one of `none', `adopt',
133 If this variable is `none', Gnus will not make a false root, but just
134 present the sub-threads after another.
135 If this variable is `dummy', Gnus will create a dummy root that will
136 have all the sub-threads as children.
137 If this variable is `adopt', Gnus will make one of the \"children\"
138 the parent and mark all the step-children as such.
139 If this variable is `empty', the \"children\" are printed with empty
140 subject fields. (Or rather, they will be printed with a string
141 given by the `gnus-summary-same-subject' variable.)"
143 :type '(choice (const :tag "off" nil)
149 (defcustom gnus-summary-make-false-root-always nil
150 "Always make a false dummy root."
155 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
156 "*A regexp to match subjects to be excluded from loose thread gathering.
157 As loose thread gathering is done on subjects only, that means that
158 there can be many false gatherings performed. By rooting out certain
159 common subjects, gathering might become saner."
163 (defcustom gnus-summary-gather-subject-limit nil
164 "*Maximum length of subject comparisons when gathering loose threads.
165 Use nil to compare full subjects. Setting this variable to a low
166 number will help gather threads that have been corrupted by
167 newsreaders chopping off subject lines, but it might also mean that
168 unrelated articles that have subject that happen to begin with the
169 same few characters will be incorrectly gathered.
171 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
174 :type '(choice (const :tag "off" nil)
176 (sexp :menu-tag "on" t)))
178 (defcustom gnus-simplify-subject-functions nil
179 "List of functions taking a string argument that simplify subjects.
180 The functions are applied recursively.
182 Useful functions to put in this list include:
183 `gnus-simplify-subject-re', `gnus-simplify-subject-fuzzy',
184 `gnus-simplify-whitespace', and `gnus-simplify-all-whitespace'."
186 :type '(repeat function))
188 (defcustom gnus-simplify-ignored-prefixes nil
189 "*Remove matches for this regexp from subject lines when simplifying fuzzily."
191 :type '(choice (const :tag "off" nil)
194 (defcustom gnus-build-sparse-threads nil
195 "*If non-nil, fill in the gaps in threads.
196 If `some', only fill in the gaps that are needed to tie loose threads
197 together. If `more', fill in all leaf nodes that Gnus can find. If
198 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
200 :type '(choice (const :tag "off" nil)
203 (sexp :menu-tag "all" t)))
205 (defcustom gnus-summary-thread-gathering-function
206 'gnus-gather-threads-by-subject
207 "*Function used for gathering loose threads.
208 There are two pre-defined functions: `gnus-gather-threads-by-subject',
209 which only takes Subjects into consideration; and
210 `gnus-gather-threads-by-references', which compared the References
211 headers of the articles to find matches."
213 :type '(radio (function-item gnus-gather-threads-by-subject)
214 (function-item gnus-gather-threads-by-references)
215 (function :tag "other")))
217 (defcustom gnus-summary-same-subject ""
218 "*String indicating that the current article has the same subject as the previous.
219 This variable will only be used if the value of
220 `gnus-summary-make-false-root' is `empty'."
221 :group 'gnus-summary-format
224 (defcustom gnus-summary-goto-unread nil
225 "*If t, many commands will go to the next unread article.
226 This applies to marking commands as well as other commands that
227 \"naturally\" select the next article, like, for instance, `SPC' at
228 the end of an article.
230 If nil, the marking commands do NOT go to the next unread article
231 \(they go to the next article instead). If `never', commands that
232 usually go to the next unread article, will go to the next article,
233 whether it is read or not."
235 :group 'gnus-summary-marks
236 :link '(custom-manual "(gnus)Setting Marks")
237 :type '(choice (const :tag "off" nil)
239 (sexp :menu-tag "on" t)))
241 (defcustom gnus-summary-default-score 0
242 "*Default article score level.
243 All scores generated by the score files will be added to this score.
244 If this variable is nil, scoring will be disabled."
245 :group 'gnus-score-default
246 :type '(choice (const :tag "disable")
249 (defcustom gnus-summary-default-high-score 0
250 "*Default threshold for a high scored article.
251 An article will be highlighted as high scored if its score is greater
254 :group 'gnus-score-default
257 (defcustom gnus-summary-default-low-score 0
258 "*Default threshold for a low scored article.
259 An article will be highlighted as low scored if its score is smaller
262 :group 'gnus-score-default
265 (defcustom gnus-summary-zcore-fuzz 0
266 "*Fuzziness factor for the zcore in the summary buffer.
267 Articles with scores closer than this to `gnus-summary-default-score'
269 :group 'gnus-summary-format
272 (defcustom gnus-simplify-subject-fuzzy-regexp nil
273 "*Strings to be removed when doing fuzzy matches.
274 This can either be a regular expression or list of regular expressions
275 that will be removed from subject strings if fuzzy subject
276 simplification is selected."
278 :type '(repeat regexp))
280 (defcustom gnus-show-threads t
281 "*If non-nil, display threads in summary mode."
285 (defcustom gnus-thread-hide-subtree nil
286 "*If non-nil, hide all threads initially.
287 This can be a predicate specifier which says which threads to hide.
288 If threads are hidden, you have to run the command
289 `gnus-summary-show-thread' by hand or select an article."
291 :type '(radio (sexp :format "Non-nil\n"
292 :match (lambda (widget value)
293 (not (or (consp value) (functionp value))))
296 (sexp :tag "Predicate specifier")))
298 (defcustom gnus-thread-hide-killed t
299 "*If non-nil, hide killed threads automatically."
303 (defcustom gnus-thread-ignore-subject t
304 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
305 If nil, articles that have different subjects from their parents will
306 start separate threads."
310 (defcustom gnus-thread-operation-ignore-subject t
311 "*If non-nil, subjects will be ignored when doing thread commands.
312 This affects commands like `gnus-summary-kill-thread' and
313 `gnus-summary-lower-thread'.
315 If this variable is nil, articles in the same thread with different
316 subjects will not be included in the operation in question. If this
317 variable is `fuzzy', only articles that have subjects that are fuzzily
318 equal will be included."
320 :type '(choice (const :tag "off" nil)
324 (defcustom gnus-thread-indent-level 4
325 "*Number that says how much each sub-thread should be indented."
329 (defcustom gnus-auto-extend-newsgroup t
330 "*If non-nil, extend newsgroup forward and backward when requested."
331 :group 'gnus-summary-choose
334 (defcustom gnus-auto-select-first t
335 "If non-nil, select an article on group entry.
336 An article is selected automatically when entering a group
337 e.g. with \\<gnus-group-mode-map>\\[gnus-group-read-group], or via `gnus-summary-next-page' or
338 `gnus-summary-catchup-and-goto-next-group'.
340 Which article is selected is controlled by the variable
341 `gnus-auto-select-subject'.
343 If you want to prevent automatic selection of articles in some
344 newsgroups, set the variable to nil in `gnus-select-group-hook'."
345 ;; Commands include...
346 ;; \\<gnus-group-mode-map>\\[gnus-group-read-group]
347 ;; \\<gnus-summary-mode-map>\\[gnus-summary-next-page]
348 ;; \\<gnus-summary-mode-map>\\[gnus-summary-catchup-and-goto-next-group]
349 :group 'gnus-group-select
350 :type '(choice (const :tag "none" nil)
351 (sexp :menu-tag "first" t)))
353 (defcustom gnus-auto-select-subject 'unseen-or-unread
354 "*Says what subject to place under point when entering a group.
356 This variable can either be the symbols `first' (place point on the
357 first subject), `unread' (place point on the subject line of the first
358 unread article), `best' (place point on the subject line of the
359 higest-scored article), `unseen' (place point on the subject line of
360 the first unseen article), `unseen-or-unread' (place point on the subject
361 line of the first unseen article or, if all article have been seen, on the
362 subject line of the first unread article), or a function to be called to
363 place point on some subject line."
365 :group 'gnus-group-select
366 :type '(choice (const best)
370 (const unseen-or-unread)))
372 (defcustom gnus-auto-select-next t
373 "*If non-nil, offer to go to the next group from the end of the previous.
374 If the value is t and the next newsgroup is empty, Gnus will exit
375 summary mode and go back to group mode. If the value is neither nil
376 nor t, Gnus will select the following unread newsgroup. In
377 particular, if the value is the symbol `quietly', the next unread
378 newsgroup will be selected without any confirmation, and if it is
379 `almost-quietly', the next group will be selected without any
380 confirmation if you are located on the last article in the group.
381 Finally, if this variable is `slightly-quietly', the `\\<gnus-summary-mode-map>\\[gnus-summary-catchup-and-goto-next-group]' command
382 will go to the next group without confirmation."
383 :group 'gnus-summary-maneuvering
384 :type '(choice (const :tag "off" nil)
386 (const almost-quietly)
387 (const slightly-quietly)
388 (sexp :menu-tag "on" t)))
390 (defcustom gnus-auto-select-same nil
391 "*If non-nil, select the next article with the same subject.
392 If there are no more articles with the same subject, go to
393 the first unread article."
394 :group 'gnus-summary-maneuvering
397 (defcustom gnus-auto-select-on-ephemeral-exit 'next-noselect
398 "What article should be selected after exiting an ephemeral group.
399 Valid values include:
402 Select the next article.
404 Select the next unread article.
406 Move the cursor to the next article. This is the default.
407 `next-unread-noselect'
408 Move the cursor to the next unread article.
410 If it has any other value or there is no next (unread) article, the
411 article selected before entering to the ephemeral group will appear."
412 :version "23.1" ;; No Gnus
413 :group 'gnus-summary-maneuvering
414 :type '(choice :format "%{%t%}:\n %[Value Menu%] %v"
415 (const next) (const next-unread)
416 (const next-noselect) (const next-unread-noselect)
417 (sexp :tag "other" :value nil)))
419 (defcustom gnus-auto-goto-ignores 'unfetched
420 "*Says how to handle unfetched articles when maneuvering.
422 This variable can either be the symbols nil (maneuver to any
423 article), `undownloaded' (maneuvering while unplugged ignores articles
424 that have not been fetched), `always-undownloaded' (maneuvering always
425 ignores articles that have not been fetched), `unfetched' (maneuvering
426 ignores articles whose headers have not been fetched).
428 NOTE: The list of unfetched articles will always be nil when plugged
429 and, when unplugged, a subset of the undownloaded article list."
431 :group 'gnus-summary-maneuvering
432 :type '(choice (const :tag "None" nil)
433 (const :tag "Undownloaded when unplugged" undownloaded)
434 (const :tag "Undownloaded" always-undownloaded)
435 (const :tag "Unfetched" unfetched)))
437 (defcustom gnus-summary-check-current nil
438 "*If non-nil, consider the current article when moving.
439 The \"unread\" movement commands will stay on the same line if the
440 current article is unread."
441 :group 'gnus-summary-maneuvering
444 (defcustom gnus-auto-center-summary 2
445 "*If non-nil, always center the current summary buffer.
446 In particular, if `vertical' do only vertical recentering. If non-nil
447 and non-`vertical', do both horizontal and vertical recentering."
448 :group 'gnus-summary-maneuvering
449 :type '(choice (const :tag "none" nil)
451 (integer :tag "height")
452 (sexp :menu-tag "both" t)))
454 (defvar gnus-auto-center-group t
455 "*If non-nil, always center the group buffer.")
457 (defcustom gnus-show-all-headers nil
458 "*If non-nil, don't hide any headers."
459 :group 'gnus-article-hiding
460 :group 'gnus-article-headers
463 (defcustom gnus-summary-ignore-duplicates nil
464 "*If non-nil, ignore articles with identical Message-ID headers."
468 (defcustom gnus-single-article-buffer nil
469 "*If non-nil, display all articles in the same buffer.
470 If nil, each group will get its own article buffer."
472 :group 'gnus-article-various
475 (defcustom gnus-break-pages t
476 "*If non-nil, do page breaking on articles.
477 The page delimiter is specified by the `gnus-page-delimiter'
479 :group 'gnus-article-various
482 (defcustom gnus-move-split-methods nil
483 "*Variable used to suggest where articles are to be moved to.
484 It uses the same syntax as the `gnus-split-methods' variable.
485 However, whereas `gnus-split-methods' specifies file names as targets,
486 this variable specifies group names."
487 :group 'gnus-summary-mail
488 :type '(repeat (choice (list :value (fun) function)
489 (cons :value ("" "") regexp (repeat string))
492 (defcustom gnus-move-group-prefix-function 'gnus-group-real-prefix
493 "Function used to compute default prefix for article move/copy/etc prompts.
494 The function should take one argument, a group name, and return a
495 string with the suggested prefix."
496 :group 'gnus-summary-mail
499 ;; FIXME: Although the custom type is `character' for the following variables,
500 ;; using multibyte characters (Latin-1, UTF-8) doesn't work. -- rs
502 (defcustom gnus-unread-mark ? ;Whitespace
503 "*Mark used for unread articles."
504 :group 'gnus-summary-marks
507 (defcustom gnus-ticked-mark ?!
508 "*Mark used for ticked articles."
509 :group 'gnus-summary-marks
512 (defcustom gnus-dormant-mark ??
513 "*Mark used for dormant articles."
514 :group 'gnus-summary-marks
517 (defcustom gnus-del-mark ?r
518 "*Mark used for del'd articles."
519 :group 'gnus-summary-marks
522 (defcustom gnus-read-mark ?R
523 "*Mark used for read articles."
524 :group 'gnus-summary-marks
527 (defcustom gnus-expirable-mark ?E
528 "*Mark used for expirable articles."
529 :group 'gnus-summary-marks
532 (defcustom gnus-killed-mark ?K
533 "*Mark used for killed articles."
534 :group 'gnus-summary-marks
537 (defcustom gnus-spam-mark ?$
538 "*Mark used for spam articles."
540 :group 'gnus-summary-marks
543 (defcustom gnus-kill-file-mark ?X
544 "*Mark used for articles killed by kill files."
545 :group 'gnus-summary-marks
548 (defcustom gnus-low-score-mark ?Y
549 "*Mark used for articles with a low score."
550 :group 'gnus-summary-marks
553 (defcustom gnus-catchup-mark ?C
554 "*Mark used for articles that are caught up."
555 :group 'gnus-summary-marks
558 (defcustom gnus-replied-mark ?A
559 "*Mark used for articles that have been replied to."
560 :group 'gnus-summary-marks
563 (defcustom gnus-forwarded-mark ?F
564 "*Mark used for articles that have been forwarded."
566 :group 'gnus-summary-marks
569 (defcustom gnus-recent-mark ?N
570 "*Mark used for articles that are recent."
572 :group 'gnus-summary-marks
575 (defcustom gnus-cached-mark ?*
576 "*Mark used for articles that are in the cache."
577 :group 'gnus-summary-marks
580 (defcustom gnus-saved-mark ?S
581 "*Mark used for articles that have been saved."
582 :group 'gnus-summary-marks
585 (defcustom gnus-unseen-mark ?.
586 "*Mark used for articles that haven't been seen."
588 :group 'gnus-summary-marks
591 (defcustom gnus-no-mark ? ;Whitespace
592 "*Mark used for articles that have no other secondary mark."
594 :group 'gnus-summary-marks
597 (defcustom gnus-ancient-mark ?O
598 "*Mark used for ancient articles."
599 :group 'gnus-summary-marks
602 (defcustom gnus-sparse-mark ?Q
603 "*Mark used for sparsely reffed articles."
604 :group 'gnus-summary-marks
607 (defcustom gnus-canceled-mark ?G
608 "*Mark used for canceled articles."
609 :group 'gnus-summary-marks
612 (defcustom gnus-duplicate-mark ?M
613 "*Mark used for duplicate articles."
614 :group 'gnus-summary-marks
617 (defcustom gnus-undownloaded-mark ?-
618 "*Mark used for articles that weren't downloaded."
620 :group 'gnus-summary-marks
623 (defcustom gnus-downloaded-mark ?+
624 "*Mark used for articles that were downloaded."
625 :group 'gnus-summary-marks
628 (defcustom gnus-downloadable-mark ?%
629 "*Mark used for articles that are to be downloaded."
630 :group 'gnus-summary-marks
633 (defcustom gnus-unsendable-mark ?=
634 "*Mark used for articles that won't be sent."
635 :group 'gnus-summary-marks
638 (defcustom gnus-score-over-mark ?+
639 "*Score mark used for articles with high scores."
640 :group 'gnus-summary-marks
643 (defcustom gnus-score-below-mark ?-
644 "*Score mark used for articles with low scores."
645 :group 'gnus-summary-marks
648 (defcustom gnus-empty-thread-mark ? ;Whitespace
649 "*There is no thread under the article."
650 :group 'gnus-summary-marks
653 (defcustom gnus-not-empty-thread-mark ?=
654 "*There is a thread under the article."
655 :group 'gnus-summary-marks
658 (defcustom gnus-view-pseudo-asynchronously nil
659 "*If non-nil, Gnus will view pseudo-articles asynchronously."
660 :group 'gnus-extract-view
663 (defcustom gnus-auto-expirable-marks
664 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
665 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
667 "*The list of marks converted into expiration if a group is auto-expirable."
670 :type '(repeat character))
672 (defcustom gnus-inhibit-user-auto-expire t
673 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
678 (defcustom gnus-mark-copied-or-moved-articles-as-expirable nil
679 "If non-nil, mark articles copied or moved to auto-expire group as expirable.
680 If nil, the expirable marks will be unchanged except that the marks
681 will be removed when copying or moving articles to a group that has
682 not turned auto-expire on. If non-nil, articles that have been read
683 will be marked as expirable when being copied or moved to a group in
684 which auto-expire is turned on."
687 :group 'gnus-summary-marks)
689 (defcustom gnus-view-pseudos nil
690 "*If `automatic', pseudo-articles will be viewed automatically.
691 If `not-confirm', pseudos will be viewed automatically, and the user
692 will not be asked to confirm the command."
693 :group 'gnus-extract-view
694 :type '(choice (const :tag "off" nil)
696 (const not-confirm)))
698 (defcustom gnus-view-pseudos-separately t
699 "*If non-nil, one pseudo-article will be created for each file to be viewed.
700 If nil, all files that use the same viewing command will be given as a
701 list of parameters to that command."
702 :group 'gnus-extract-view
705 (defcustom gnus-insert-pseudo-articles t
706 "*If non-nil, insert pseudo-articles when decoding articles."
707 :group 'gnus-extract-view
710 (defcustom gnus-summary-dummy-line-format
712 "*The format specification for the dummy roots in the summary buffer.
713 It works along the same lines as a normal formatting string,
714 with some simple extensions.
718 General format specifiers can also be used.
719 See `(gnus)Formatting Variables'."
720 :link '(custom-manual "(gnus)Formatting Variables")
721 :group 'gnus-threading
724 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
725 "*The format specification for the summary mode line.
726 It works along the same lines as a normal formatting string,
727 with some simple extensions:
730 %p Unprefixed group name
731 %A Current article number
732 %z Current article score
734 %U Number of unread articles in the group
735 %e Number of unselected articles in the group
736 %Z A string with unread/unselected article counts
737 %g Shortish group name
738 %S Subject of the current article
740 %s Current score file name
741 %d Number of dormant articles
742 %r Number of articles that have been marked as read in this session
743 %E Number of articles expunged by the score files"
744 :group 'gnus-summary-format
747 (defcustom gnus-list-identifiers nil
748 "Regexp that matches list identifiers to be removed from subject.
749 This can also be a list of regexps."
751 :group 'gnus-summary-format
752 :group 'gnus-article-hiding
753 :type '(choice (const :tag "none" nil)
755 (repeat :value (".*") regexp)))
757 (defcustom gnus-summary-mark-below 0
758 "*Mark all articles with a score below this variable as read.
759 This variable is local to each summary buffer and usually set by the
761 :group 'gnus-score-default
764 (defun gnus-widget-reversible-match (widget value)
765 "Ignoring WIDGET, convert VALUE to internal form.
766 VALUE should have the form `FOO' or `(not FOO)', where FOO is an symbol."
770 (eq (length value) 2)
771 (eq (nth 0 value) 'not)
772 (symbolp (nth 1 value)))))
774 (defun gnus-widget-reversible-to-internal (widget value)
775 "Ignoring WIDGET, convert VALUE to internal form.
776 VALUE should have the form `FOO' or `(not FOO)', where FOO is an atom.
777 FOO is converted to (FOO nil) and (not FOO) is converted to (FOO t)."
781 (list (nth 1 value) t)))
783 (defun gnus-widget-reversible-to-external (widget value)
784 "Ignoring WIDGET, convert VALUE to external form.
785 VALUE should have the form `(FOO nil)' or `(FOO t)', where FOO is an atom.
786 \(FOO nil) is converted to FOO and (FOO t) is converted to (not FOO)."
789 (list 'not (nth 0 value))
792 (define-widget 'gnus-widget-reversible 'group
793 "A `group' that convert values."
794 :match 'gnus-widget-reversible-match
795 :value-to-internal 'gnus-widget-reversible-to-internal
796 :value-to-external 'gnus-widget-reversible-to-external)
798 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
799 "*List of functions used for sorting articles in the summary buffer.
801 Each function takes two articles and returns non-nil if the first
802 article should be sorted before the other. If you use more than one
803 function, the primary sort function should be the last. You should
804 probably always include `gnus-article-sort-by-number' in the list of
805 sorting functions -- preferably first. Also note that sorting by date
806 is often much slower than sorting by number, and the sorting order is
807 very similar. (Sorting by date means sorting by the time the message
808 was sent, sorting by number means sorting by arrival time.)
810 Each item can also be a list `(not F)' where F is a function;
811 this reverses the sort order.
813 Ready-made functions include `gnus-article-sort-by-number',
814 `gnus-article-sort-by-author', `gnus-article-sort-by-subject',
815 `gnus-article-sort-by-date', `gnus-article-sort-by-random'
816 and `gnus-article-sort-by-score'.
818 When threading is turned on, the variable `gnus-thread-sort-functions'
819 controls how articles are sorted."
820 :group 'gnus-summary-sort
821 :type '(repeat (gnus-widget-reversible
822 (choice (function-item gnus-article-sort-by-number)
823 (function-item gnus-article-sort-by-author)
824 (function-item gnus-article-sort-by-subject)
825 (function-item gnus-article-sort-by-date)
826 (function-item gnus-article-sort-by-score)
827 (function-item gnus-article-sort-by-random)
828 (function :tag "other"))
829 (boolean :tag "Reverse order"))))
832 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
833 "*List of functions used for sorting threads in the summary buffer.
834 By default, threads are sorted by article number.
836 Each function takes two threads and returns non-nil if the first
837 thread should be sorted before the other. If you use more than one
838 function, the primary sort function should be the last. You should
839 probably always include `gnus-thread-sort-by-number' in the list of
840 sorting functions -- preferably first. Also note that sorting by date
841 is often much slower than sorting by number, and the sorting order is
842 very similar. (Sorting by date means sorting by the time the message
843 was sent, sorting by number means sorting by arrival time.)
845 Each list item can also be a list `(not F)' where F is a
846 function; this specifies reversed sort order.
848 Ready-made functions include `gnus-thread-sort-by-number',
849 `gnus-thread-sort-by-author', `gnus-thread-sort-by-recipient'
850 `gnus-thread-sort-by-subject', `gnus-thread-sort-by-date',
851 `gnus-thread-sort-by-score', `gnus-thread-sort-by-most-recent-number',
852 `gnus-thread-sort-by-most-recent-date', `gnus-thread-sort-by-random',
853 and `gnus-thread-sort-by-total-score' (see
854 `gnus-thread-score-function').
856 When threading is turned off, the variable
857 `gnus-article-sort-functions' controls how articles are sorted."
858 :group 'gnus-summary-sort
860 (gnus-widget-reversible
861 (choice (function-item gnus-thread-sort-by-number)
862 (function-item gnus-thread-sort-by-author)
863 (function-item gnus-thread-sort-by-recipient)
864 (function-item gnus-thread-sort-by-subject)
865 (function-item gnus-thread-sort-by-date)
866 (function-item gnus-thread-sort-by-score)
867 (function-item gnus-thread-sort-by-most-recent-number)
868 (function-item gnus-thread-sort-by-most-recent-date)
869 (function-item gnus-thread-sort-by-random)
870 (function-item gnus-thread-sort-by-total-score)
871 (function :tag "other"))
872 (boolean :tag "Reverse order"))))
874 (defcustom gnus-thread-score-function '+
875 "*Function used for calculating the total score of a thread.
877 The function is called with the scores of the article and each
878 subthread and should then return the score of the thread.
880 Some functions you can use are `+', `max', or `min'."
881 :group 'gnus-summary-sort
884 (defcustom gnus-summary-expunge-below nil
885 "All articles that have a score less than this variable will be expunged.
886 This variable is local to the summary buffers."
887 :group 'gnus-score-default
888 :type '(choice (const :tag "off" nil)
891 (defcustom gnus-thread-expunge-below nil
892 "All threads that have a total score less than this variable will be expunged.
893 See `gnus-thread-score-function' for en explanation of what a
896 This variable is local to the summary buffers."
897 :group 'gnus-threading
898 :group 'gnus-score-default
899 :type '(choice (const :tag "off" nil)
902 (defcustom gnus-summary-mode-hook nil
903 "*A hook for Gnus summary mode.
904 This hook is run before any variables are set in the summary buffer."
905 :options '(turn-on-gnus-mailing-list-mode gnus-pick-mode)
906 :group 'gnus-summary-various
909 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
910 (when (featurep 'xemacs)
911 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-summary-menu-add)
912 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-setup-summary-toolbar)
913 (add-hook 'gnus-summary-mode-hook
914 'gnus-xmas-switch-horizontal-scrollbar-off))
916 (defcustom gnus-summary-menu-hook nil
917 "*Hook run after the creation of the summary mode menu."
918 :group 'gnus-summary-visual
921 (defcustom gnus-summary-exit-hook nil
922 "*A hook called on exit from the summary buffer.
923 It will be called with point in the group buffer."
924 :group 'gnus-summary-exit
927 (defcustom gnus-summary-prepare-hook nil
928 "*A hook called after the summary buffer has been generated.
929 If you want to modify the summary buffer, you can use this hook."
930 :group 'gnus-summary-various
933 (defcustom gnus-summary-prepared-hook nil
934 "*A hook called as the last thing after the summary buffer has been generated."
935 :group 'gnus-summary-various
938 (defcustom gnus-summary-generate-hook nil
939 "*A hook run just before generating the summary buffer.
940 This hook is commonly used to customize threading variables and the
942 :group 'gnus-summary-various
945 (defcustom gnus-select-group-hook nil
946 "*A hook called when a newsgroup is selected.
948 If you'd like to simplify subjects like the
949 `gnus-summary-next-same-subject' command does, you can use the
952 (add-hook gnus-select-group-hook
954 (mapcar (lambda (header)
955 (mail-header-set-subject
957 (gnus-simplify-subject
958 (mail-header-subject header) 're-only)))
959 gnus-newsgroup-headers)))"
960 :group 'gnus-group-select
963 (defcustom gnus-select-article-hook nil
964 "*A hook called when an article is selected."
965 :group 'gnus-summary-choose
966 :options '(gnus-agent-fetch-selected-article)
969 (defcustom gnus-visual-mark-article-hook
970 (list 'gnus-highlight-selected-summary)
971 "*Hook run after selecting an article in the summary buffer.
972 It is meant to be used for highlighting the article in some way. It
973 is not run if `gnus-visual' is nil."
974 :group 'gnus-summary-visual
977 (defcustom gnus-parse-headers-hook nil
978 "*A hook called before parsing the headers."
982 (defcustom gnus-exit-group-hook nil
983 "*A hook called when exiting summary mode.
984 This hook is not called from the non-updating exit commands like `Q'."
988 (defcustom gnus-summary-update-hook nil
989 "*A hook called when a summary line is changed.
990 The hook will not be called if `gnus-visual' is nil.
992 The default function `gnus-summary-highlight-line' will
993 highlight the line according to the `gnus-summary-highlight'
995 :group 'gnus-summary-visual
998 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
999 "*A hook called when an article is selected for the first time.
1000 The hook is intended to mark an article as read (or unread)
1001 automatically when it is selected."
1002 :group 'gnus-summary-choose
1005 (defcustom gnus-group-no-more-groups-hook nil
1006 "*A hook run when returning to group mode having no more (unread) groups."
1007 :group 'gnus-group-select
1010 (defcustom gnus-ps-print-hook nil
1011 "*A hook run before ps-printing something from Gnus."
1012 :group 'gnus-summary
1015 (defcustom gnus-summary-article-move-hook nil
1016 "*A hook called after an article is moved, copied, respooled, or crossposted."
1018 :group 'gnus-summary
1021 (defcustom gnus-summary-article-delete-hook nil
1022 "*A hook called after an article is deleted."
1024 :group 'gnus-summary
1027 (defcustom gnus-summary-article-expire-hook nil
1028 "*A hook called after an article is expired."
1030 :group 'gnus-summary
1033 (defcustom gnus-summary-display-arrow
1034 (and (fboundp 'display-graphic-p)
1035 (display-graphic-p))
1036 "*If non-nil, display an arrow highlighting the current article."
1038 :group 'gnus-summary
1041 (defcustom gnus-summary-selected-face 'gnus-summary-selected
1042 "Face used for highlighting the current article in the summary buffer."
1043 :group 'gnus-summary-visual
1046 (defvar gnus-tmp-downloaded nil)
1048 (defcustom gnus-summary-highlight
1049 '(((eq mark gnus-canceled-mark)
1050 . gnus-summary-cancelled)
1051 ((and uncached (> score default-high))
1052 . gnus-summary-high-undownloaded)
1053 ((and uncached (< score default-low))
1054 . gnus-summary-low-undownloaded)
1056 . gnus-summary-normal-undownloaded)
1057 ((and (> score default-high)
1058 (or (eq mark gnus-dormant-mark)
1059 (eq mark gnus-ticked-mark)))
1060 . gnus-summary-high-ticked)
1061 ((and (< score default-low)
1062 (or (eq mark gnus-dormant-mark)
1063 (eq mark gnus-ticked-mark)))
1064 . gnus-summary-low-ticked)
1065 ((or (eq mark gnus-dormant-mark)
1066 (eq mark gnus-ticked-mark))
1067 . gnus-summary-normal-ticked)
1068 ((and (> score default-high) (eq mark gnus-ancient-mark))
1069 . gnus-summary-high-ancient)
1070 ((and (< score default-low) (eq mark gnus-ancient-mark))
1071 . gnus-summary-low-ancient)
1072 ((eq mark gnus-ancient-mark)
1073 . gnus-summary-normal-ancient)
1074 ((and (> score default-high) (eq mark gnus-unread-mark))
1075 . gnus-summary-high-unread)
1076 ((and (< score default-low) (eq mark gnus-unread-mark))
1077 . gnus-summary-low-unread)
1078 ((eq mark gnus-unread-mark)
1079 . gnus-summary-normal-unread)
1080 ((> score default-high)
1081 . gnus-summary-high-read)
1082 ((< score default-low)
1083 . gnus-summary-low-read)
1085 . gnus-summary-normal-read))
1086 "*Controls the highlighting of summary buffer lines.
1088 A list of (FORM . FACE) pairs. When deciding how a particular
1089 summary line should be displayed, each form is evaluated. The content
1090 of the face field after the first true form is used. You can change
1091 how those summary lines are displayed, by editing the face field.
1093 You can use the following variables in the FORM field.
1095 score: The article's score.
1096 default: The default article score.
1097 default-high: The default score for high scored articles.
1098 default-low: The default score for low scored articles.
1099 below: The score below which articles are automatically marked as read.
1100 mark: The article's mark.
1101 uncached: Non-nil if the article is uncached."
1102 :group 'gnus-summary-visual
1103 :type '(repeat (cons (sexp :tag "Form" nil)
1105 (put 'gnus-summary-highlight 'risky-local-variable t)
1107 (defcustom gnus-alter-header-function nil
1108 "Function called to allow alteration of article header structures.
1109 The function is called with one parameter, the article header vector,
1110 which it may alter in any way."
1111 :type '(choice (const :tag "None" nil)
1113 :group 'gnus-summary)
1115 (defvar gnus-decode-encoded-word-function 'mail-decode-encoded-word-string
1116 "Function used to decode a string with encoded words.")
1118 (defvar gnus-decode-encoded-address-function
1119 'mail-decode-encoded-address-string
1120 "Function used to decode addresses with encoded words.")
1122 (defcustom gnus-extra-headers '(To Newsgroups)
1123 "*Extra headers to parse."
1125 :group 'gnus-summary
1126 :type '(repeat symbol))
1128 (defcustom gnus-ignored-from-addresses
1129 (and user-mail-address
1130 (not (string= user-mail-address ""))
1131 (regexp-quote user-mail-address))
1132 "*From headers that may be suppressed in favor of To headers.
1133 This can be a regexp or a list of regexps."
1135 :group 'gnus-summary
1136 :type '(choice regexp
1137 (repeat :tag "Regexp List" regexp)))
1139 (defsubst gnus-ignored-from-addresses ()
1140 (gmm-regexp-concat gnus-ignored-from-addresses))
1142 (defcustom gnus-summary-to-prefix "-> "
1143 "*String prefixed to the To field in the summary line when
1144 using `gnus-ignored-from-addresses'."
1146 :group 'gnus-summary
1149 (defcustom gnus-summary-newsgroup-prefix "=> "
1150 "*String prefixed to the Newsgroup field in the summary
1151 line when using `gnus-ignored-from-addresses'."
1153 :group 'gnus-summary
1156 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
1157 "List of charsets that should be ignored.
1158 When these charsets are used in the \"charset\" parameter, the
1159 default charset will be used instead."
1161 :type '(repeat symbol)
1162 :group 'gnus-charset)
1164 (defcustom gnus-newsgroup-maximum-articles nil
1165 "The maximum number of articles a newsgroup.
1166 If this is a number, old articles in a newsgroup exceeding this number
1167 are silently ignored. If it is nil, no article is ignored. Note that
1168 setting this variable to a number might prevent you from reading very
1170 :group 'gnus-group-select
1172 :type '(choice (const :tag "No limit" nil)
1175 (gnus-define-group-parameter
1179 "Return the ignored charsets of GROUP."
1180 :variable gnus-group-ignored-charsets-alist
1182 '(("alt\\.chinese\\.text" iso-8859-1))
1184 "Alist of regexps (to match group names) and charsets that should be ignored.
1185 When these charsets are used in the \"charset\" parameter, the
1186 default charset will be used instead."
1187 :variable-group gnus-charset
1188 :variable-type '(repeat (cons (regexp :tag "Group")
1190 :parameter-type '(choice :tag "Ignored charsets"
1193 :parameter-document "\
1194 List of charsets that should be ignored.
1196 When these charsets are used in the \"charset\" parameter, the
1197 default charset will be used instead.")
1199 (defcustom gnus-group-highlight-words-alist nil
1200 "Alist of group regexps and highlight regexps.
1201 This variable uses the same syntax as `gnus-emphasis-alist'."
1203 :type '(repeat (cons (regexp :tag "Group")
1204 (repeat (list (regexp :tag "Highlight regexp")
1205 (number :tag "Group for entire word" 0)
1206 (number :tag "Group for displayed part" 0)
1208 gnus-emphasis-highlight-words)))))
1209 :group 'gnus-summary-visual)
1211 (defcustom gnus-summary-show-article-charset-alist
1213 "Alist of number and charset.
1214 The article will be shown with the charset corresponding to the
1216 For example: ((1 . cn-gb-2312) (2 . big5))."
1218 :type '(repeat (cons (number :tag "Argument" 1)
1219 (symbol :tag "Charset")))
1220 :group 'gnus-charset)
1222 (defcustom gnus-preserve-marks t
1223 "Whether marks are preserved when moving, copying and respooling messages."
1226 :group 'gnus-summary-marks)
1228 (defcustom gnus-propagate-marks t
1229 "If non-nil, do not propagate marks to the backends."
1230 :version "23.1" ;; No Gnus
1232 :group 'gnus-summary-marks)
1234 (defcustom gnus-alter-articles-to-read-function nil
1235 "Function to be called to alter the list of articles to be selected."
1236 :type '(choice (const nil) function)
1237 :group 'gnus-summary)
1239 (defcustom gnus-orphan-score nil
1240 "*All orphans get this score added. Set in the score file."
1241 :group 'gnus-score-default
1242 :type '(choice (const nil)
1245 (defcustom gnus-summary-save-parts-default-mime "image/.*"
1246 "*A regexp to match MIME parts when saving multiple parts of a
1247 message with `gnus-summary-save-parts' (\\<gnus-summary-mode-map>\\[gnus-summary-save-parts]).
1248 This regexp will be used by default when prompting the user for which
1249 type of files to save."
1250 :group 'gnus-summary
1253 (defcustom gnus-read-all-available-headers nil
1254 "Whether Gnus should parse all headers made available to it.
1255 This is mostly relevant for slow back ends where the user may
1256 wish to widen the summary buffer to include all headers
1259 :group 'gnus-summary
1260 :type '(choice boolean regexp))
1262 (defcustom gnus-summary-pipe-output-default-command nil
1263 "Command (and optional arguments) used to pipe article to subprocess.
1264 This will be used as the default command if it is non-nil. The value
1265 will be updated if you modify it when executing the command
1266 `gnus-summary-pipe-output' or the function `gnus-summary-save-in-pipe'."
1267 :version "23.1" ;; No Gnus
1268 :group 'gnus-summary
1269 :type '(radio (const :tag "None" nil) (string :tag "Command")))
1271 (defcustom gnus-summary-muttprint-program "muttprint"
1272 "Command (and optional arguments) used to run Muttprint.
1273 The value will be updated if you modify it when executing the command
1274 `gnus-summary-muttprint'."
1276 :group 'gnus-summary
1279 (defcustom gnus-article-loose-mime t
1280 "If non-nil, don't require MIME-Version header.
1281 Some brain-damaged MUA/MTA, e.g. Lotus Domino 5.0.6 clients, does not
1282 supply the MIME-Version header or deliberately strip it from the mail.
1283 If non-nil (the default), Gnus will treat some articles as MIME
1284 even if the MIME-Version header is missing."
1287 :group 'gnus-article-mime)
1289 (defcustom gnus-article-emulate-mime t
1290 "If non-nil, use MIME emulation for uuencode and the like.
1291 This means that Gnus will search message bodies for text that look
1292 like uuencoded bits, yEncoded bits, and so on, and present that using
1293 the normal Gnus MIME machinery."
1296 :group 'gnus-article-mime)
1298 ;;; Internal variables
1300 (defvar gnus-summary-display-cache nil)
1301 (defvar gnus-article-mime-handles nil)
1302 (defvar gnus-article-decoded-p nil)
1303 (defvar gnus-article-charset nil)
1304 (defvar gnus-article-ignored-charsets nil)
1305 (defvar gnus-scores-exclude-files nil)
1306 (defvar gnus-page-broken nil)
1308 (defvar gnus-original-article nil)
1309 (defvar gnus-article-internal-prepare-hook nil)
1310 (defvar gnus-newsgroup-process-stack nil)
1312 (defvar gnus-thread-indent-array nil)
1313 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
1314 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
1315 "Function called to sort the articles within a thread after it has been gathered together.")
1317 (defvar gnus-summary-save-parts-type-history nil)
1318 (defvar gnus-summary-save-parts-last-directory mm-default-directory)
1320 ;; Avoid highlighting in kill files.
1321 (defvar gnus-summary-inhibit-highlight nil)
1322 (defvar gnus-newsgroup-selected-overlay nil)
1323 (defvar gnus-inhibit-limiting nil)
1324 (defvar gnus-newsgroup-adaptive-score-file nil)
1325 (defvar gnus-current-score-file nil)
1326 (defvar gnus-current-move-group nil)
1327 (defvar gnus-current-copy-group nil)
1328 (defvar gnus-current-crosspost-group nil)
1329 (defvar gnus-newsgroup-display nil)
1331 (defvar gnus-newsgroup-dependencies nil)
1332 (defvar gnus-newsgroup-adaptive nil)
1333 (defvar gnus-summary-display-article-function nil)
1334 (defvar gnus-summary-highlight-line-function nil
1335 "Function called after highlighting a summary line.")
1337 (defvar gnus-summary-line-format-alist
1338 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
1339 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
1340 (?s gnus-tmp-subject-or-nil ?s)
1341 (?n gnus-tmp-name ?s)
1342 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
1344 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
1346 (?F gnus-tmp-from ?s)
1347 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
1348 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
1349 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
1350 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
1351 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1352 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1353 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1354 (?k (gnus-summary-line-message-size gnus-tmp-header) ?s)
1355 (?L gnus-tmp-lines ?s)
1356 (?O gnus-tmp-downloaded ?c)
1357 (?I gnus-tmp-indentation ?s)
1358 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1359 (?R gnus-tmp-replied ?c)
1360 (?\[ gnus-tmp-opening-bracket ?c)
1361 (?\] gnus-tmp-closing-bracket ?c)
1362 (?\> (make-string gnus-tmp-level ? ) ?s)
1363 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1364 (?i gnus-tmp-score ?d)
1365 (?z gnus-tmp-score-char ?c)
1366 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1367 (?U gnus-tmp-unread ?c)
1368 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from)
1370 (?t (gnus-summary-number-of-articles-in-thread
1371 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1373 (?e (gnus-summary-number-of-articles-in-thread
1374 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1376 (?u gnus-tmp-user-defined ?s)
1377 (?P (gnus-pick-line-number) ?d)
1378 (?B gnus-tmp-thread-tree-header-string ?s)
1379 (user-date (gnus-user-date
1380 ,(macroexpand '(mail-header-date gnus-tmp-header))) ?s))
1381 "An alist of format specifications that can appear in summary lines.
1382 These are paired with what variables they correspond with, along with
1383 the type of the variable (string, integer, character, etc).")
1385 (defvar gnus-summary-dummy-line-format-alist
1386 `((?S gnus-tmp-subject ?s)
1387 (?N gnus-tmp-number ?d)
1388 (?u gnus-tmp-user-defined ?s)))
1390 (defvar gnus-summary-mode-line-format-alist
1391 `((?G gnus-tmp-group-name ?s)
1392 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1393 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1394 (?A gnus-tmp-article-number ?d)
1395 (?Z gnus-tmp-unread-and-unselected ?s)
1396 (?V gnus-version ?s)
1397 (?U gnus-tmp-unread-and-unticked ?d)
1398 (?S gnus-tmp-subject ?s)
1399 (?e gnus-tmp-unselected ?d)
1400 (?u gnus-tmp-user-defined ?s)
1401 (?d (length gnus-newsgroup-dormant) ?d)
1402 (?t (length gnus-newsgroup-marked) ?d)
1403 (?h (length gnus-newsgroup-spam-marked) ?d)
1404 (?r (length gnus-newsgroup-reads) ?d)
1405 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1406 (?E gnus-newsgroup-expunged-tally ?d)
1407 (?s (gnus-current-score-file-nondirectory) ?s)))
1409 ;; This is here rather than in gnus-art for compilation reasons.
1410 (defvar gnus-article-mode-line-format-alist
1411 (nconc '((?w (gnus-article-wash-status) ?s)
1412 (?m (gnus-article-mime-part-status) ?s))
1413 gnus-summary-mode-line-format-alist))
1415 (defvar gnus-last-search-regexp nil
1416 "Default regexp for article search command.")
1418 (defvar gnus-last-shell-command nil
1419 "Default shell command on article.")
1421 (defvar gnus-newsgroup-agentized nil
1422 "Locally bound in each summary buffer to indicate whether the server has been agentized.")
1423 (defvar gnus-newsgroup-begin nil)
1424 (defvar gnus-newsgroup-end nil)
1425 (defvar gnus-newsgroup-last-rmail nil)
1426 (defvar gnus-newsgroup-last-mail nil)
1427 (defvar gnus-newsgroup-last-folder nil)
1428 (defvar gnus-newsgroup-last-file nil)
1429 (defvar gnus-newsgroup-last-directory nil)
1430 (defvar gnus-newsgroup-auto-expire nil)
1431 (defvar gnus-newsgroup-active nil)
1433 (defvar gnus-newsgroup-data nil)
1434 (defvar gnus-newsgroup-data-reverse nil)
1435 (defvar gnus-newsgroup-limit nil)
1436 (defvar gnus-newsgroup-limits nil)
1437 (defvar gnus-summary-use-undownloaded-faces nil)
1439 (defvar gnus-newsgroup-unreads nil
1440 "Sorted list of unread articles in the current newsgroup.")
1442 (defvar gnus-newsgroup-unselected nil
1443 "Sorted list of unselected unread articles in the current newsgroup.")
1445 (defvar gnus-newsgroup-reads nil
1446 "Alist of read articles and article marks in the current newsgroup.")
1448 (defvar gnus-newsgroup-expunged-tally nil)
1450 (defvar gnus-newsgroup-marked nil
1451 "Sorted list of ticked articles in the current newsgroup (a subset of unread art).")
1453 (defvar gnus-newsgroup-spam-marked nil
1454 "List of ranges of articles that have been marked as spam.")
1456 (defvar gnus-newsgroup-killed nil
1457 "List of ranges of articles that have been through the scoring process.")
1459 (defvar gnus-newsgroup-cached nil
1460 "Sorted list of articles that come from the article cache.")
1462 (defvar gnus-newsgroup-saved nil
1463 "List of articles that have been saved.")
1465 (defvar gnus-newsgroup-kill-headers nil)
1467 (defvar gnus-newsgroup-replied nil
1468 "List of articles that have been replied to in the current newsgroup.")
1470 (defvar gnus-newsgroup-forwarded nil
1471 "List of articles that have been forwarded in the current newsgroup.")
1473 (defvar gnus-newsgroup-recent nil
1474 "List of articles that have are recent in the current newsgroup.")
1476 (defvar gnus-newsgroup-expirable nil
1477 "Sorted list of articles in the current newsgroup that can be expired.")
1479 (defvar gnus-newsgroup-processable nil
1480 "List of articles in the current newsgroup that can be processed.")
1482 (defvar gnus-newsgroup-downloadable nil
1483 "Sorted list of articles in the current newsgroup that can be processed.")
1485 (defvar gnus-newsgroup-unfetched nil
1486 "Sorted list of articles in the current newsgroup whose headers have
1487 not been fetched into the agent.
1489 This list will always be a subset of gnus-newsgroup-undownloaded.")
1491 (defvar gnus-newsgroup-undownloaded nil
1492 "List of articles in the current newsgroup that haven't been downloaded.")
1494 (defvar gnus-newsgroup-unsendable nil
1495 "List of articles in the current newsgroup that won't be sent.")
1497 (defvar gnus-newsgroup-bookmarks nil
1498 "List of articles in the current newsgroup that have bookmarks.")
1500 (defvar gnus-newsgroup-dormant nil
1501 "Sorted list of dormant articles in the current newsgroup.")
1503 (defvar gnus-newsgroup-unseen nil
1504 "List of unseen articles in the current newsgroup.")
1506 (defvar gnus-newsgroup-seen nil
1507 "Range of seen articles in the current newsgroup.")
1509 (defvar gnus-newsgroup-articles nil
1510 "List of articles in the current newsgroup.")
1512 (defvar gnus-newsgroup-scored nil
1513 "List of scored articles in the current newsgroup.")
1515 (defvar gnus-newsgroup-headers nil
1516 "List of article headers in the current newsgroup.")
1518 (defvar gnus-newsgroup-threads nil)
1520 (defvar gnus-newsgroup-prepared nil
1521 "Whether the current group has been prepared properly.")
1523 (defvar gnus-newsgroup-ancient nil
1524 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1526 (defvar gnus-newsgroup-sparse nil)
1528 (defvar gnus-current-article nil)
1529 (defvar gnus-article-current nil)
1530 (defvar gnus-current-headers nil)
1531 (defvar gnus-have-all-headers nil)
1532 (defvar gnus-last-article nil)
1533 (defvar gnus-newsgroup-history nil)
1534 (defvar gnus-newsgroup-charset nil)
1535 (defvar gnus-newsgroup-ephemeral-charset nil)
1536 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1538 (defvar gnus-article-before-search nil)
1540 (defvar gnus-summary-local-variables
1541 '(gnus-newsgroup-name
1544 gnus-newsgroup-unreads
1545 gnus-newsgroup-unselected
1546 gnus-newsgroup-marked
1547 gnus-newsgroup-spam-marked
1548 gnus-newsgroup-reads
1549 gnus-newsgroup-saved
1550 gnus-newsgroup-replied
1551 gnus-newsgroup-forwarded
1552 gnus-newsgroup-recent
1553 gnus-newsgroup-expirable
1554 gnus-newsgroup-killed
1555 gnus-newsgroup-unseen
1557 gnus-newsgroup-cached
1558 gnus-newsgroup-downloadable
1559 gnus-newsgroup-undownloaded
1560 gnus-newsgroup-unsendable
1562 gnus-newsgroup-begin gnus-newsgroup-end
1563 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1564 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1565 gnus-newsgroup-last-directory
1566 gnus-newsgroup-auto-expire
1567 gnus-newsgroup-processable
1568 gnus-newsgroup-unfetched
1569 gnus-newsgroup-articles
1570 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1571 gnus-newsgroup-headers gnus-newsgroup-threads
1572 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1573 gnus-current-article gnus-current-headers gnus-have-all-headers
1574 gnus-last-article gnus-article-internal-prepare-hook
1575 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1576 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1577 gnus-thread-expunge-below
1578 gnus-score-alist gnus-current-score-file
1579 (gnus-summary-expunge-below . global)
1580 (gnus-summary-mark-below . global)
1581 (gnus-orphan-score . global)
1582 gnus-newsgroup-active gnus-scores-exclude-files
1583 gnus-newsgroup-history gnus-newsgroup-ancient
1584 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1585 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1586 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1587 (gnus-newsgroup-expunged-tally . 0)
1588 gnus-cache-removable-articles
1589 gnus-newsgroup-data gnus-newsgroup-data-reverse
1590 gnus-newsgroup-limit gnus-newsgroup-limits
1591 gnus-newsgroup-charset gnus-newsgroup-display
1592 gnus-summary-use-undownloaded-faces)
1593 "Variables that are buffer-local to the summary buffers.")
1595 (defvar gnus-newsgroup-variables nil
1596 "A list of variables that have separate values in different newsgroups.
1597 A list of newsgroup (summary buffer) local variables, or cons of
1598 variables and their default expressions to be evalled (when the default
1599 values are not nil), that should be made global while the summary buffer
1602 Note: The default expressions will be evaluated (using function `eval')
1603 before assignment to the local variable rather than just assigned to it.
1604 If the default expression is the symbol `global', that symbol will not
1605 be evaluated but the global value of the local variable will be used
1608 These variables can be used to set variables in the group parameters
1609 while still allowing them to affect operations done in other buffers.
1612 \(setq gnus-newsgroup-variables
1613 '(message-use-followup-to
1614 (gnus-visible-headers .
1615 \"^From:\\\\|^Newsgroups:\\\\|^Subject:\\\\|^Date:\\\\|^To:\")))
1619 ;; Bind features so that require will believe that gnus-sum has
1620 ;; already been loaded (avoids infinite recursion)
1621 (let ((features (cons 'gnus-sum features)))
1622 (require 'gnus-art)))
1626 (defvar gnus-decode-encoded-word-methods
1627 '(mail-decode-encoded-word-string)
1628 "List of methods used to decode encoded words.
1630 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
1631 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
1632 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
1633 whose names match REGEXP.
1636 \((\"chinese\" . gnus-decode-encoded-word-string-by-guess)
1637 mail-decode-encoded-word-string
1638 (\"chinese\" . rfc1843-decode-string))")
1640 (defvar gnus-decode-encoded-word-methods-cache nil)
1642 (defun gnus-multi-decode-encoded-word-string (string)
1643 "Apply the functions from `gnus-encoded-word-methods' that match."
1644 (unless (and gnus-decode-encoded-word-methods-cache
1645 (eq gnus-newsgroup-name
1646 (car gnus-decode-encoded-word-methods-cache)))
1647 (setq gnus-decode-encoded-word-methods-cache (list gnus-newsgroup-name))
1648 (dolist (method gnus-decode-encoded-word-methods)
1649 (if (symbolp method)
1650 (nconc gnus-decode-encoded-word-methods-cache (list method))
1651 (if (and gnus-newsgroup-name
1652 (string-match (car method) gnus-newsgroup-name))
1653 (nconc gnus-decode-encoded-word-methods-cache
1654 (list (cdr method)))))))
1655 (dolist (method (cdr gnus-decode-encoded-word-methods-cache) string)
1656 (setq string (funcall method string))))
1658 ;; Subject simplification.
1660 (defun gnus-simplify-whitespace (str)
1661 "Remove excessive whitespace from STR."
1663 (while (string-match "[ \t][ \t]+" str)
1664 (setq str (concat (substring str 0 (match-beginning 0))
1666 (substring str (match-end 0)))))
1668 (when (string-match "^[ \t]+" str)
1669 (setq str (substring str (match-end 0))))
1671 (when (string-match "[ \t]+$" str)
1672 (setq str (substring str 0 (match-beginning 0))))
1675 (defun gnus-simplify-all-whitespace (str)
1676 "Remove all whitespace from STR."
1677 (while (string-match "[ \t\n]+" str)
1678 (setq str (replace-match "" nil nil str)))
1681 (defsubst gnus-simplify-subject-re (subject)
1682 "Remove \"Re:\" from subject lines."
1683 (if (string-match message-subject-re-regexp subject)
1684 (substring subject (match-end 0))
1687 (defun gnus-simplify-subject (subject &optional re-only)
1688 "Remove `Re:' and words in parentheses.
1689 If RE-ONLY is non-nil, strip leading `Re:'s only."
1690 (let ((case-fold-search t)) ;Ignore case.
1691 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1692 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1693 (setq subject (substring subject (match-end 0))))
1694 ;; Remove uninteresting prefixes.
1695 (when (and (not re-only)
1696 gnus-simplify-ignored-prefixes
1697 (string-match gnus-simplify-ignored-prefixes subject))
1698 (setq subject (substring subject (match-end 0))))
1699 ;; Remove words in parentheses from end.
1701 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1702 (setq subject (substring subject 0 (match-beginning 0)))))
1703 ;; Return subject string.
1706 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1708 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1709 (goto-char (point-min))
1710 (while (re-search-forward regexp nil t)
1711 (replace-match (or newtext ""))))
1713 (defun gnus-simplify-buffer-fuzzy ()
1714 "Simplify string in the buffer fuzzily.
1715 The string in the accessible portion of the current buffer is simplified.
1716 It is assumed to be a single-line subject.
1717 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1718 matter is removed. Additional things can be deleted by setting
1719 `gnus-simplify-subject-fuzzy-regexp'."
1720 (let ((case-fold-search t)
1722 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1724 (while (not (eq modified-tick (buffer-modified-tick)))
1725 (setq modified-tick (buffer-modified-tick))
1727 ((listp gnus-simplify-subject-fuzzy-regexp)
1728 (mapc 'gnus-simplify-buffer-fuzzy-step
1729 gnus-simplify-subject-fuzzy-regexp))
1730 (gnus-simplify-subject-fuzzy-regexp
1731 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1732 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1733 (gnus-simplify-buffer-fuzzy-step
1734 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1735 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1737 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1738 (gnus-simplify-buffer-fuzzy-step " +" " ")
1739 (gnus-simplify-buffer-fuzzy-step " $")
1740 (gnus-simplify-buffer-fuzzy-step "^ +")))
1742 (defun gnus-simplify-subject-fuzzy (subject)
1743 "Simplify a subject string fuzzily.
1744 See `gnus-simplify-buffer-fuzzy' for details."
1746 (gnus-set-work-buffer)
1747 (let ((case-fold-search t))
1748 ;; Remove uninteresting prefixes.
1749 (when (and gnus-simplify-ignored-prefixes
1750 (string-match gnus-simplify-ignored-prefixes subject))
1751 (setq subject (substring subject (match-end 0))))
1753 (inline (gnus-simplify-buffer-fuzzy))
1756 (defsubst gnus-simplify-subject-fully (subject)
1757 "Simplify a subject string according to `gnus-summary-gather-subject-limit'."
1759 (gnus-simplify-subject-functions
1760 (gnus-map-function gnus-simplify-subject-functions subject))
1761 ((null gnus-summary-gather-subject-limit)
1762 (gnus-simplify-subject-re subject))
1763 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1764 (gnus-simplify-subject-fuzzy subject))
1765 ((numberp gnus-summary-gather-subject-limit)
1766 (truncate-string-to-width (gnus-simplify-subject-re subject)
1767 gnus-summary-gather-subject-limit))
1771 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1772 "Check whether two subjects are equal.
1773 If optional argument SIMPLE-FIRST is t, first argument is already
1776 ((null simple-first)
1777 (equal (gnus-simplify-subject-fully s1)
1778 (gnus-simplify-subject-fully s2)))
1781 (gnus-simplify-subject-fully s2)))))
1783 (defun gnus-summary-bubble-group ()
1784 "Increase the score of the current group.
1785 This is a handy function to add to `gnus-summary-exit-hook' to
1786 increase the score of each group you read."
1787 (gnus-group-add-score gnus-newsgroup-name))
1791 ;;; Gnus summary mode
1794 (put 'gnus-summary-mode 'mode-class 'special)
1796 (defvar gnus-article-commands-menu)
1798 ;; Non-orthogonal keys
1800 (gnus-define-keys gnus-summary-mode-map
1801 " " gnus-summary-next-page
1802 "\177" gnus-summary-prev-page
1803 [delete] gnus-summary-prev-page
1804 [backspace] gnus-summary-prev-page
1805 "\r" gnus-summary-scroll-up
1806 "\M-\r" gnus-summary-scroll-down
1807 "n" gnus-summary-next-unread-article
1808 "p" gnus-summary-prev-unread-article
1809 "N" gnus-summary-next-article
1810 "P" gnus-summary-prev-article
1811 "\M-\C-n" gnus-summary-next-same-subject
1812 "\M-\C-p" gnus-summary-prev-same-subject
1813 "\M-n" gnus-summary-next-unread-subject
1814 "\M-p" gnus-summary-prev-unread-subject
1815 "." gnus-summary-first-unread-article
1816 "," gnus-summary-best-unread-article
1817 "\M-s" gnus-summary-search-article-forward
1818 "\M-r" gnus-summary-search-article-backward
1819 "\M-S" gnus-summary-repeat-search-article-forward
1820 "\M-R" gnus-summary-repeat-search-article-backward
1821 "<" gnus-summary-beginning-of-article
1822 ">" gnus-summary-end-of-article
1823 "j" gnus-summary-goto-article
1824 "^" gnus-summary-refer-parent-article
1825 "\M-^" gnus-summary-refer-article
1826 "u" gnus-summary-tick-article-forward
1827 "!" gnus-summary-tick-article-forward
1828 "U" gnus-summary-tick-article-backward
1829 "d" gnus-summary-mark-as-read-forward
1830 "D" gnus-summary-mark-as-read-backward
1831 "E" gnus-summary-mark-as-expirable
1832 "\M-u" gnus-summary-clear-mark-forward
1833 "\M-U" gnus-summary-clear-mark-backward
1834 "k" gnus-summary-kill-same-subject-and-select
1835 "\C-k" gnus-summary-kill-same-subject
1836 "\M-\C-k" gnus-summary-kill-thread
1837 "\M-\C-l" gnus-summary-lower-thread
1838 "e" gnus-summary-edit-article
1839 "#" gnus-summary-mark-as-processable
1840 "\M-#" gnus-summary-unmark-as-processable
1841 "\M-\C-t" gnus-summary-toggle-threads
1842 "\M-\C-s" gnus-summary-show-thread
1843 "\M-\C-h" gnus-summary-hide-thread
1844 "\M-\C-f" gnus-summary-next-thread
1845 "\M-\C-b" gnus-summary-prev-thread
1846 [(meta down)] gnus-summary-next-thread
1847 [(meta up)] gnus-summary-prev-thread
1848 "\M-\C-u" gnus-summary-up-thread
1849 "\M-\C-d" gnus-summary-down-thread
1850 "&" gnus-summary-execute-command
1851 "c" gnus-summary-catchup-and-exit
1852 "\C-w" gnus-summary-mark-region-as-read
1853 "\C-t" gnus-summary-toggle-truncation
1854 "?" gnus-summary-mark-as-dormant
1855 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1856 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1857 "\C-c\C-s\C-m\C-n" gnus-summary-sort-by-most-recent-number
1858 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1859 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1860 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1861 "\C-c\C-s\C-t" gnus-summary-sort-by-recipient
1862 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1863 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1864 "\C-c\C-s\C-m\C-d" gnus-summary-sort-by-most-recent-date
1865 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1866 "\C-c\C-s\C-o" gnus-summary-sort-by-original
1867 "\C-c\C-s\C-r" gnus-summary-sort-by-random
1868 "=" gnus-summary-expand-window
1869 "\C-x\C-s" gnus-summary-reselect-current-group
1870 "\M-g" gnus-summary-rescan-group
1871 "\C-c\C-r" gnus-summary-caesar-message
1872 "f" gnus-summary-followup
1873 "F" gnus-summary-followup-with-original
1874 "C" gnus-summary-cancel-article
1875 "r" gnus-summary-reply
1876 "R" gnus-summary-reply-with-original
1877 "\C-c\C-f" gnus-summary-mail-forward
1878 "o" gnus-summary-save-article
1879 "\C-o" gnus-summary-save-article-mail
1880 "|" gnus-summary-pipe-output
1881 "\M-k" gnus-summary-edit-local-kill
1882 "\M-K" gnus-summary-edit-global-kill
1884 "\C-c\C-d" gnus-summary-describe-group
1885 "q" gnus-summary-exit
1886 "Q" gnus-summary-exit-no-update
1887 "\C-c\C-i" gnus-info-find-node
1888 gnus-mouse-2 gnus-mouse-pick-article
1889 [follow-link] mouse-face
1890 "m" gnus-summary-mail-other-window
1891 "a" gnus-summary-post-news
1892 "x" gnus-summary-limit-to-unread
1893 "s" gnus-summary-isearch-article
1894 "t" gnus-summary-toggle-header
1895 "g" gnus-summary-show-article
1896 "l" gnus-summary-goto-last-article
1897 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1898 "\C-d" gnus-summary-enter-digest-group
1899 "\M-\C-d" gnus-summary-read-document
1900 "\M-\C-e" gnus-summary-edit-parameters
1901 "\M-\C-a" gnus-summary-customize-parameters
1903 "*" gnus-cache-enter-article
1904 "\M-*" gnus-cache-remove-article
1905 "\M-&" gnus-summary-universal-argument
1906 "\C-l" gnus-recenter
1907 "I" gnus-summary-increase-score
1908 "L" gnus-summary-lower-score
1909 "\M-i" gnus-symbolic-argument
1910 "h" gnus-summary-select-article-buffer
1912 "b" gnus-article-view-part
1913 "\M-t" gnus-summary-toggle-display-buttonized
1915 "V" gnus-summary-score-map
1916 "X" gnus-uu-extract-map
1917 "S" gnus-summary-send-map)
1919 ;; Sort of orthogonal keymap
1920 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1921 "t" gnus-summary-tick-article-forward
1922 "!" gnus-summary-tick-article-forward
1923 "d" gnus-summary-mark-as-read-forward
1924 "r" gnus-summary-mark-as-read-forward
1925 "c" gnus-summary-clear-mark-forward
1926 " " gnus-summary-clear-mark-forward
1927 "e" gnus-summary-mark-as-expirable
1928 "x" gnus-summary-mark-as-expirable
1929 "?" gnus-summary-mark-as-dormant
1930 "b" gnus-summary-set-bookmark
1931 "B" gnus-summary-remove-bookmark
1932 "#" gnus-summary-mark-as-processable
1933 "\M-#" gnus-summary-unmark-as-processable
1934 "S" gnus-summary-limit-include-expunged
1935 "C" gnus-summary-catchup
1936 "H" gnus-summary-catchup-to-here
1937 "h" gnus-summary-catchup-from-here
1938 "\C-c" gnus-summary-catchup-all
1939 "k" gnus-summary-kill-same-subject-and-select
1940 "K" gnus-summary-kill-same-subject
1941 "P" gnus-uu-mark-map)
1943 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1944 "c" gnus-summary-clear-above
1945 "u" gnus-summary-tick-above
1946 "m" gnus-summary-mark-above
1947 "k" gnus-summary-kill-below)
1949 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1950 "/" gnus-summary-limit-to-subject
1951 "n" gnus-summary-limit-to-articles
1952 "b" gnus-summary-limit-to-bodies
1953 "h" gnus-summary-limit-to-headers
1954 "w" gnus-summary-pop-limit
1955 "s" gnus-summary-limit-to-subject
1956 "a" gnus-summary-limit-to-author
1957 "u" gnus-summary-limit-to-unread
1958 "m" gnus-summary-limit-to-marks
1959 "M" gnus-summary-limit-exclude-marks
1960 "v" gnus-summary-limit-to-score
1961 "*" gnus-summary-limit-include-cached
1962 "D" gnus-summary-limit-include-dormant
1963 "T" gnus-summary-limit-include-thread
1964 "d" gnus-summary-limit-exclude-dormant
1965 "t" gnus-summary-limit-to-age
1966 "." gnus-summary-limit-to-unseen
1967 "x" gnus-summary-limit-to-extra
1968 "p" gnus-summary-limit-to-display-predicate
1969 "E" gnus-summary-limit-include-expunged
1970 "c" gnus-summary-limit-exclude-childless-dormant
1971 "C" gnus-summary-limit-mark-excluded-as-read
1972 "o" gnus-summary-insert-old-articles
1973 "N" gnus-summary-insert-new-articles
1974 "S" gnus-summary-limit-to-singletons
1975 "r" gnus-summary-limit-to-replied
1976 "R" gnus-summary-limit-to-recipient
1977 "A" gnus-summary-limit-to-address)
1979 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1980 "n" gnus-summary-next-unread-article
1981 "p" gnus-summary-prev-unread-article
1982 "N" gnus-summary-next-article
1983 "P" gnus-summary-prev-article
1984 "\C-n" gnus-summary-next-same-subject
1985 "\C-p" gnus-summary-prev-same-subject
1986 "\M-n" gnus-summary-next-unread-subject
1987 "\M-p" gnus-summary-prev-unread-subject
1988 "f" gnus-summary-first-unread-article
1989 "b" gnus-summary-best-unread-article
1990 "j" gnus-summary-goto-article
1991 "g" gnus-summary-goto-subject
1992 "l" gnus-summary-goto-last-article
1993 "o" gnus-summary-pop-article)
1995 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1996 "k" gnus-summary-kill-thread
1997 "E" gnus-summary-expire-thread
1998 "l" gnus-summary-lower-thread
1999 "i" gnus-summary-raise-thread
2000 "T" gnus-summary-toggle-threads
2001 "t" gnus-summary-rethread-current
2002 "^" gnus-summary-reparent-thread
2003 "\M-^" gnus-summary-reparent-children
2004 "s" gnus-summary-show-thread
2005 "S" gnus-summary-show-all-threads
2006 "h" gnus-summary-hide-thread
2007 "H" gnus-summary-hide-all-threads
2008 "n" gnus-summary-next-thread
2009 "p" gnus-summary-prev-thread
2010 "u" gnus-summary-up-thread
2011 "o" gnus-summary-top-thread
2012 "d" gnus-summary-down-thread
2013 "#" gnus-uu-mark-thread
2014 "\M-#" gnus-uu-unmark-thread)
2016 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
2017 "g" gnus-summary-prepare
2018 "c" gnus-summary-insert-cached-articles
2019 "d" gnus-summary-insert-dormant-articles
2020 "t" gnus-summary-insert-ticked-articles)
2022 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
2023 "c" gnus-summary-catchup-and-exit
2024 "C" gnus-summary-catchup-all-and-exit
2025 "E" gnus-summary-exit-no-update
2026 "Q" gnus-summary-exit
2027 "Z" gnus-summary-exit
2028 "n" gnus-summary-catchup-and-goto-next-group
2029 "p" gnus-summary-catchup-and-goto-prev-group
2030 "R" gnus-summary-reselect-current-group
2031 "G" gnus-summary-rescan-group
2032 "N" gnus-summary-next-group
2033 "s" gnus-summary-save-newsrc
2034 "P" gnus-summary-prev-group)
2036 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
2037 " " gnus-summary-next-page
2038 "n" gnus-summary-next-page
2039 "\177" gnus-summary-prev-page
2040 [delete] gnus-summary-prev-page
2041 "p" gnus-summary-prev-page
2042 "\r" gnus-summary-scroll-up
2043 "\M-\r" gnus-summary-scroll-down
2044 "<" gnus-summary-beginning-of-article
2045 ">" gnus-summary-end-of-article
2046 "b" gnus-summary-beginning-of-article
2047 "e" gnus-summary-end-of-article
2048 "^" gnus-summary-refer-parent-article
2049 "r" gnus-summary-refer-parent-article
2050 "D" gnus-summary-enter-digest-group
2051 "R" gnus-summary-refer-references
2052 "T" gnus-summary-refer-thread
2053 "g" gnus-summary-show-article
2054 "s" gnus-summary-isearch-article
2055 "P" gnus-summary-print-article
2056 "S" gnus-sticky-article
2057 "M" gnus-mailing-list-insinuate
2058 "t" gnus-article-babel)
2060 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
2061 "b" gnus-article-add-buttons
2062 "B" gnus-article-add-buttons-to-head
2063 "o" gnus-article-treat-overstrike
2064 "e" gnus-article-emphasize
2065 "w" gnus-article-fill-cited-article
2066 "Q" gnus-article-fill-long-lines
2067 "L" gnus-article-toggle-truncate-lines
2068 "C" gnus-article-capitalize-sentences
2069 "c" gnus-article-remove-cr
2070 "q" gnus-article-de-quoted-unreadable
2071 "6" gnus-article-de-base64-unreadable
2072 "Z" gnus-article-decode-HZ
2073 "A" gnus-article-treat-ansi-sequences
2074 "h" gnus-article-wash-html
2075 "u" gnus-article-unsplit-urls
2076 "s" gnus-summary-force-verify-and-decrypt
2077 "f" gnus-article-display-x-face
2078 "l" gnus-summary-stop-page-breaking
2079 "r" gnus-summary-caesar-message
2080 "m" gnus-summary-morse-message
2081 "t" gnus-summary-toggle-header
2082 "g" gnus-treat-smiley
2083 "v" gnus-summary-verbose-headers
2084 "a" gnus-article-strip-headers-in-body ;; mnemonic: wash archive
2085 "p" gnus-article-verify-x-pgp-sig
2086 "d" gnus-article-treat-dumbquotes
2087 "i" gnus-summary-idna-message)
2089 (gnus-define-keys (gnus-summary-wash-deuglify-map "Y" gnus-summary-wash-map)
2090 ;; mnemonic: deuglif*Y*
2091 "u" gnus-article-outlook-unwrap-lines
2092 "a" gnus-article-outlook-repair-attribution
2093 "c" gnus-article-outlook-rearrange-citation
2094 "f" gnus-article-outlook-deuglify-article) ;; mnemonic: full deuglify
2096 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
2097 "a" gnus-article-hide
2098 "h" gnus-article-hide-headers
2099 "b" gnus-article-hide-boring-headers
2100 "s" gnus-article-hide-signature
2101 "c" gnus-article-hide-citation
2102 "C" gnus-article-hide-citation-in-followups
2103 "l" gnus-article-hide-list-identifiers
2104 "B" gnus-article-strip-banner
2105 "P" gnus-article-hide-pem
2106 "\C-c" gnus-article-hide-citation-maybe)
2108 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
2109 "a" gnus-article-highlight
2110 "h" gnus-article-highlight-headers
2111 "c" gnus-article-highlight-citation
2112 "s" gnus-article-highlight-signature)
2114 (gnus-define-keys (gnus-summary-wash-header-map "G" gnus-summary-wash-map)
2115 "f" gnus-article-treat-fold-headers
2116 "u" gnus-article-treat-unfold-headers
2117 "n" gnus-article-treat-fold-newsgroups)
2119 (gnus-define-keys (gnus-summary-wash-display-map "D" gnus-summary-wash-map)
2120 "x" gnus-article-display-x-face
2121 "d" gnus-article-display-face
2122 "s" gnus-treat-smiley
2123 "D" gnus-article-remove-images
2124 "W" gnus-html-show-images
2125 "f" gnus-treat-from-picon
2126 "m" gnus-treat-mail-picon
2127 "n" gnus-treat-newsgroups-picon)
2129 (gnus-define-keys (gnus-summary-wash-mime-map "M" gnus-summary-wash-map)
2130 "w" gnus-article-decode-mime-words
2131 "c" gnus-article-decode-charset
2132 "v" gnus-mime-view-all-parts
2133 "b" gnus-article-view-part)
2135 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
2136 "z" gnus-article-date-ut
2137 "u" gnus-article-date-ut
2138 "l" gnus-article-date-local
2139 "p" gnus-article-date-english
2140 "e" gnus-article-date-lapsed
2141 "o" gnus-article-date-original
2142 "i" gnus-article-date-iso8601
2143 "s" gnus-article-date-user)
2145 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
2146 "t" gnus-article-remove-trailing-blank-lines
2147 "l" gnus-article-strip-leading-blank-lines
2148 "m" gnus-article-strip-multiple-blank-lines
2149 "a" gnus-article-strip-blank-lines
2150 "A" gnus-article-strip-all-blank-lines
2151 "s" gnus-article-strip-leading-space
2152 "e" gnus-article-strip-trailing-space
2153 "w" gnus-article-remove-leading-whitespace)
2155 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
2157 "f" gnus-summary-fetch-faq
2158 "d" gnus-summary-describe-group
2159 "h" gnus-summary-describe-briefly
2160 "i" gnus-info-find-node
2161 "c" gnus-group-fetch-charter
2162 "C" gnus-group-fetch-control)
2164 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
2165 "e" gnus-summary-expire-articles
2166 "\M-\C-e" gnus-summary-expire-articles-now
2167 "\177" gnus-summary-delete-article
2168 [delete] gnus-summary-delete-article
2169 [backspace] gnus-summary-delete-article
2170 "m" gnus-summary-move-article
2171 "r" gnus-summary-respool-article
2172 "w" gnus-summary-edit-article
2173 "c" gnus-summary-copy-article
2174 "B" gnus-summary-crosspost-article
2175 "q" gnus-summary-respool-query
2176 "t" gnus-summary-respool-trace
2177 "i" gnus-summary-import-article
2178 "I" gnus-summary-create-article
2179 "p" gnus-summary-article-posted-p)
2181 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
2182 "o" gnus-summary-save-article
2183 "m" gnus-summary-save-article-mail
2184 "F" gnus-summary-write-article-file
2185 "r" gnus-summary-save-article-rmail
2186 "f" gnus-summary-save-article-file
2187 "b" gnus-summary-save-article-body-file
2188 "B" gnus-summary-write-article-body-file
2189 "h" gnus-summary-save-article-folder
2190 "v" gnus-summary-save-article-vm
2191 "p" gnus-summary-pipe-output
2192 "P" gnus-summary-muttprint)
2194 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
2195 "b" gnus-summary-display-buttonized
2196 "m" gnus-summary-repair-multipart
2197 "v" gnus-article-view-part
2198 "o" gnus-article-save-part
2199 "O" gnus-article-save-part-and-strip
2200 "r" gnus-article-replace-part
2201 "d" gnus-article-delete-part
2202 "t" gnus-article-view-part-as-type
2203 "j" gnus-article-jump-to-part
2204 "c" gnus-article-copy-part
2205 "C" gnus-article-view-part-as-charset
2206 "e" gnus-article-view-part-externally
2207 "H" gnus-article-browse-html-article
2208 "E" gnus-article-encrypt-body
2209 "i" gnus-article-inline-part
2210 "|" gnus-article-pipe-part)
2212 (gnus-define-keys (gnus-uu-mark-map "P" gnus-summary-mark-map)
2213 "p" gnus-summary-mark-as-processable
2214 "u" gnus-summary-unmark-as-processable
2215 "U" gnus-summary-unmark-all-processable
2216 "v" gnus-uu-mark-over
2217 "s" gnus-uu-mark-series
2218 "r" gnus-uu-mark-region
2219 "g" gnus-uu-unmark-region
2220 "R" gnus-uu-mark-by-regexp
2221 "G" gnus-uu-unmark-by-regexp
2222 "t" gnus-uu-mark-thread
2223 "T" gnus-uu-unmark-thread
2224 "a" gnus-uu-mark-all
2225 "b" gnus-uu-mark-buffer
2226 "S" gnus-uu-mark-sparse
2227 "k" gnus-summary-kill-process-mark
2228 "y" gnus-summary-yank-process-mark
2229 "w" gnus-summary-save-process-mark
2230 "i" gnus-uu-invert-processable)
2232 (gnus-define-keys (gnus-uu-extract-map "X" gnus-summary-mode-map)
2233 ;;"x" gnus-uu-extract-any
2234 "m" gnus-summary-save-parts
2235 "u" gnus-uu-decode-uu
2236 "U" gnus-uu-decode-uu-and-save
2237 "s" gnus-uu-decode-unshar
2238 "S" gnus-uu-decode-unshar-and-save
2239 "o" gnus-uu-decode-save
2240 "O" gnus-uu-decode-save
2241 "b" gnus-uu-decode-binhex
2242 "B" gnus-uu-decode-binhex
2243 "Y" gnus-uu-decode-yenc
2244 "p" gnus-uu-decode-postscript
2245 "P" gnus-uu-decode-postscript-and-save)
2248 (gnus-uu-extract-view-map "v" gnus-uu-extract-map)
2249 "u" gnus-uu-decode-uu-view
2250 "U" gnus-uu-decode-uu-and-save-view
2251 "s" gnus-uu-decode-unshar-view
2252 "S" gnus-uu-decode-unshar-and-save-view
2253 "o" gnus-uu-decode-save-view
2254 "O" gnus-uu-decode-save-view
2255 "b" gnus-uu-decode-binhex-view
2256 "B" gnus-uu-decode-binhex-view
2257 "p" gnus-uu-decode-postscript-view
2258 "P" gnus-uu-decode-postscript-and-save-view)
2260 (defvar gnus-article-post-menu nil)
2262 (defconst gnus-summary-menu-maxlen 20)
2264 (defun gnus-summary-menu-split (menu)
2265 ;; If we have lots of elements, divide them into groups of 20
2266 ;; and make a pane (or submenu) for each one.
2267 (if (> (length menu) (/ (* gnus-summary-menu-maxlen 3) 2))
2268 (let ((menu menu) sublists next
2271 ;; Pull off the next gnus-summary-menu-maxlen elements
2272 ;; and make them the next element of sublist.
2273 (setq next (nthcdr gnus-summary-menu-maxlen menu))
2275 (setcdr (nthcdr (1- gnus-summary-menu-maxlen) menu)
2277 (setq sublists (cons (cons (format "%s ... %s" (aref (car menu) 0)
2278 (aref (car (last menu)) 0)) menu)
2282 (nreverse sublists))
2283 ;; Few elements--put them all in one pane.
2286 (defun gnus-summary-make-menu-bar ()
2287 (gnus-turn-off-edit-menu 'summary)
2289 (unless (boundp 'gnus-summary-misc-menu)
2292 gnus-summary-kill-menu gnus-summary-mode-map ""
2297 ["Customize" gnus-score-customize t])
2298 (gnus-make-score-map 'increase)
2299 (gnus-make-score-map 'lower)
2301 ["Kill below" gnus-summary-kill-below t]
2302 ["Mark above" gnus-summary-mark-above t]
2303 ["Tick above" gnus-summary-tick-above t]
2304 ["Clear above" gnus-summary-clear-above t])
2305 ["Current score" gnus-summary-current-score t]
2306 ["Set score" gnus-summary-set-score t]
2307 ["Switch current score file..." gnus-score-change-score-file t]
2308 ["Set mark below..." gnus-score-set-mark-below t]
2309 ["Set expunge below..." gnus-score-set-expunge-below t]
2310 ["Edit current score file" gnus-score-edit-current-scores t]
2311 ["Edit score file..." gnus-score-edit-file t]
2312 ["Trace score" gnus-score-find-trace t]
2313 ["Find words" gnus-score-find-favourite-words t]
2314 ["Rescore buffer" gnus-summary-rescore t]
2315 ["Increase score..." gnus-summary-increase-score t]
2316 ["Lower score..." gnus-summary-lower-score t]))))
2318 ;; Define both the Article menu in the summary buffer and the
2319 ;; equivalent Commands menu in the article buffer here for
2323 ["All" gnus-article-hide t]
2324 ["Headers" gnus-article-hide-headers t]
2325 ["Signature" gnus-article-hide-signature t]
2326 ["Citation" gnus-article-hide-citation t]
2327 ["List identifiers" gnus-article-hide-list-identifiers t]
2328 ["Banner" gnus-article-strip-banner t]
2329 ["Boring headers" gnus-article-hide-boring-headers t])
2331 ["All" gnus-article-highlight t]
2332 ["Headers" gnus-article-highlight-headers t]
2333 ["Signature" gnus-article-highlight-signature t]
2334 ["Citation" gnus-article-highlight-citation t])
2336 ["Words" gnus-article-decode-mime-words t]
2337 ["Charset" gnus-article-decode-charset t]
2338 ["QP" gnus-article-de-quoted-unreadable t]
2339 ["Base64" gnus-article-de-base64-unreadable t]
2340 ["View MIME buttons" gnus-summary-display-buttonized t]
2341 ["View all" gnus-mime-view-all-parts t]
2342 ["Verify and Decrypt" gnus-summary-force-verify-and-decrypt t]
2343 ["Encrypt body" gnus-article-encrypt-body
2344 :active (not (gnus-group-read-only-p))
2345 ,@(if (featurep 'xemacs) nil
2346 '(:help "Encrypt the message body on disk"))]
2347 ["Extract all parts..." gnus-summary-save-parts t]
2349 ["Repair multipart" gnus-summary-repair-multipart t]
2350 ["Pipe part..." gnus-article-pipe-part t]
2351 ["Inline part" gnus-article-inline-part t]
2352 ["View part as type..." gnus-article-view-part-as-type t]
2353 ["Encrypt body" gnus-article-encrypt-body
2354 :active (not (gnus-group-read-only-p))
2355 ,@(if (featurep 'xemacs) nil
2356 '(:help "Encrypt the message body on disk"))]
2357 ["View part externally" gnus-article-view-part-externally t]
2358 ["View HTML parts in browser" gnus-article-browse-html-article t]
2359 ["View part with charset..." gnus-article-view-part-as-charset t]
2360 ["Copy part" gnus-article-copy-part t]
2361 ["Save part..." gnus-article-save-part t]
2362 ["View part" gnus-article-view-part t]))
2364 ["Local" gnus-article-date-local t]
2365 ["ISO8601" gnus-article-date-iso8601 t]
2366 ["UT" gnus-article-date-ut t]
2367 ["Original" gnus-article-date-original t]
2368 ["Lapsed" gnus-article-date-lapsed t]
2369 ["User-defined" gnus-article-date-user t])
2371 ["Remove images" gnus-article-remove-images t]
2372 ["Toggle smiley" gnus-treat-smiley t]
2373 ["Show X-Face" gnus-article-display-x-face t]
2374 ["Show picons in From" gnus-treat-from-picon t]
2375 ["Show picons in mail headers" gnus-treat-mail-picon t]
2376 ["Show picons in news headers" gnus-treat-newsgroups-picon t]
2377 ("View as different encoding"
2378 ,@(gnus-summary-menu-split
2381 ;; Since easymenu under Emacs doesn't allow
2382 ;; lambda forms for menu commands, we should
2383 ;; provide intern'ed function symbols.
2384 (let ((command (intern (format "\
2385 gnus-summary-show-article-from-menu-as-charset-%s" cs))))
2389 (let ((gnus-summary-show-article-charset-alist
2391 (gnus-summary-show-article 1))))
2392 `[,(symbol-name cs) ,command t]))
2393 (sort (if (fboundp 'coding-system-list)
2394 (coding-system-list)
2395 (mapcar 'car mm-mime-mule-charset-alist))
2399 ["Leading" gnus-article-strip-leading-blank-lines t]
2400 ["Multiple" gnus-article-strip-multiple-blank-lines t]
2401 ["Trailing" gnus-article-remove-trailing-blank-lines t]
2402 ["All of the above" gnus-article-strip-blank-lines t]
2403 ["All" gnus-article-strip-all-blank-lines t]
2404 ["Leading space" gnus-article-strip-leading-space t]
2405 ["Trailing space" gnus-article-strip-trailing-space t]
2406 ["Leading space in headers"
2407 gnus-article-remove-leading-whitespace t])
2408 ["Overstrike" gnus-article-treat-overstrike t]
2409 ["Dumb quotes" gnus-article-treat-dumbquotes t]
2410 ["Emphasis" gnus-article-emphasize t]
2411 ["Word wrap" gnus-article-fill-cited-article t]
2412 ["Fill long lines" gnus-article-fill-long-lines t]
2413 ["Toggle truncate long lines" gnus-article-toggle-truncate-lines t]
2414 ["Capitalize sentences" gnus-article-capitalize-sentences t]
2415 ["Remove CR" gnus-article-remove-cr t]
2416 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
2417 ["Base64" gnus-article-de-base64-unreadable t]
2418 ["Rot 13" gnus-summary-caesar-message
2419 ,@(if (featurep 'xemacs) '(t)
2420 '(:help "\"Caesar rotate\" article by 13"))]
2421 ["De-IDNA" gnus-summary-idna-message t]
2422 ["Morse decode" gnus-summary-morse-message t]
2423 ["Unix pipe..." gnus-summary-pipe-message t]
2424 ["Add buttons" gnus-article-add-buttons t]
2425 ["Add buttons to head" gnus-article-add-buttons-to-head t]
2426 ["Stop page breaking" gnus-summary-stop-page-breaking t]
2427 ["Verbose header" gnus-summary-verbose-headers t]
2428 ["Toggle header" gnus-summary-toggle-header t]
2429 ["Unfold headers" gnus-article-treat-unfold-headers t]
2430 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
2431 ["Html" gnus-article-wash-html t]
2432 ["Unsplit URLs" gnus-article-unsplit-urls t]
2433 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
2434 ["Decode HZ" gnus-article-decode-HZ t]
2435 ["ANSI sequences" gnus-article-treat-ansi-sequences t]
2436 ("(Outlook) Deuglify"
2437 ["Unwrap lines" gnus-article-outlook-unwrap-lines t]
2438 ["Repair attribution" gnus-article-outlook-repair-attribution t]
2439 ["Rearrange citation" gnus-article-outlook-rearrange-citation t]
2440 ["Full (Outlook) deuglify"
2441 gnus-article-outlook-deuglify-article t])
2444 ["Save in default format..." gnus-summary-save-article
2445 ,@(if (featurep 'xemacs) '(t)
2446 '(:help "Save article using default method"))]
2447 ["Save in file..." gnus-summary-save-article-file
2448 ,@(if (featurep 'xemacs) '(t)
2449 '(:help "Save article in file"))]
2450 ["Save in Unix mail format..." gnus-summary-save-article-mail t]
2451 ["Save in MH folder..." gnus-summary-save-article-folder t]
2452 ["Save in VM folder..." gnus-summary-save-article-vm t]
2453 ["Save in RMAIL mbox..." gnus-summary-save-article-rmail t]
2454 ["Save body in file..." gnus-summary-save-article-body-file t]
2455 ["Pipe through a filter..." gnus-summary-pipe-output t]
2456 ["Print with Muttprint..." gnus-summary-muttprint t]
2457 ["Print" gnus-summary-print-article
2458 ,@(if (featurep 'xemacs) '(t)
2459 '(:help "Generate and print a PostScript image"))])
2460 ("Copy, move,... (Backend)"
2461 ,@(if (featurep 'xemacs) nil
2462 '(:help "Copying, moving, expiring articles..."))
2463 ["Respool article..." gnus-summary-respool-article t]
2464 ["Move article..." gnus-summary-move-article
2465 (gnus-check-backend-function
2466 'request-move-article gnus-newsgroup-name)]
2467 ["Copy article..." gnus-summary-copy-article t]
2468 ["Crosspost article..." gnus-summary-crosspost-article
2469 (gnus-check-backend-function
2470 'request-replace-article gnus-newsgroup-name)]
2471 ["Import file..." gnus-summary-import-article
2472 (gnus-check-backend-function
2473 'request-accept-article gnus-newsgroup-name)]
2474 ["Create article..." gnus-summary-create-article
2475 (gnus-check-backend-function
2476 'request-accept-article gnus-newsgroup-name)]
2477 ["Check if posted" gnus-summary-article-posted-p t]
2478 ["Edit article" gnus-summary-edit-article
2479 (not (gnus-group-read-only-p))]
2480 ["Delete article" gnus-summary-delete-article
2481 (gnus-check-backend-function
2482 'request-expire-articles gnus-newsgroup-name)]
2483 ["Query respool" gnus-summary-respool-query t]
2484 ["Trace respool" gnus-summary-respool-trace t]
2485 ["Delete expirable articles" gnus-summary-expire-articles-now
2486 (gnus-check-backend-function
2487 'request-expire-articles gnus-newsgroup-name)])
2489 ["Uudecode" gnus-uu-decode-uu
2490 ,@(if (featurep 'xemacs) '(t)
2491 '(:help "Decode uuencoded article(s)"))]
2492 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
2493 ["Unshar" gnus-uu-decode-unshar t]
2494 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
2495 ["Save" gnus-uu-decode-save t]
2496 ["Binhex" gnus-uu-decode-binhex t]
2497 ["Postscript" gnus-uu-decode-postscript t]
2498 ["All MIME parts" gnus-summary-save-parts t])
2500 ["Enter article" gnus-cache-enter-article t]
2501 ["Remove article" gnus-cache-remove-article t])
2502 ["Translate" gnus-article-babel t]
2503 ["Select article buffer" gnus-summary-select-article-buffer t]
2504 ["Make article buffer sticky" gnus-sticky-article t]
2505 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2506 ["Isearch article..." gnus-summary-isearch-article t]
2507 ["Beginning of the article" gnus-summary-beginning-of-article t]
2508 ["End of the article" gnus-summary-end-of-article t]
2509 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2510 ["Fetch referenced articles" gnus-summary-refer-references t]
2511 ["Fetch current thread" gnus-summary-refer-thread t]
2512 ["Fetch article with id..." gnus-summary-refer-article t]
2513 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2514 ["Redisplay" gnus-summary-show-article t]
2515 ["Raw article" gnus-summary-show-raw-article :keys "C-u g"])))
2517 gnus-summary-article-menu gnus-summary-mode-map ""
2518 (cons "Article" innards))
2520 (if (not (keymapp gnus-summary-article-menu))
2522 gnus-article-commands-menu gnus-article-mode-map ""
2523 (cons "Commands" innards))
2524 ;; in Emacs, don't share menu.
2525 (setq gnus-article-commands-menu
2526 (copy-keymap gnus-summary-article-menu))
2527 (define-key gnus-article-mode-map [menu-bar commands]
2528 (cons "Commands" gnus-article-commands-menu))))
2531 gnus-summary-thread-menu gnus-summary-mode-map ""
2533 ["Find all messages in thread" gnus-summary-refer-thread t]
2534 ["Toggle threading" gnus-summary-toggle-threads t]
2535 ["Hide threads" gnus-summary-hide-all-threads t]
2536 ["Show threads" gnus-summary-show-all-threads t]
2537 ["Hide thread" gnus-summary-hide-thread t]
2538 ["Show thread" gnus-summary-show-thread t]
2539 ["Go to next thread" gnus-summary-next-thread t]
2540 ["Go to previous thread" gnus-summary-prev-thread t]
2541 ["Go down thread" gnus-summary-down-thread t]
2542 ["Go up thread" gnus-summary-up-thread t]
2543 ["Top of thread" gnus-summary-top-thread t]
2544 ["Mark thread as read" gnus-summary-kill-thread t]
2545 ["Mark thread as expired" gnus-summary-expire-thread t]
2546 ["Lower thread score" gnus-summary-lower-thread t]
2547 ["Raise thread score" gnus-summary-raise-thread t]
2548 ["Rethread current" gnus-summary-rethread-current t]))
2551 gnus-summary-post-menu gnus-summary-mode-map ""
2553 ["Send a message (mail or news)" gnus-summary-post-news
2554 ,@(if (featurep 'xemacs) '(t)
2555 '(:help "Compose a new message (mail or news)"))]
2556 ["Followup" gnus-summary-followup
2557 ,@(if (featurep 'xemacs) '(t)
2558 '(:help "Post followup to this article"))]
2559 ["Followup and yank" gnus-summary-followup-with-original
2560 ,@(if (featurep 'xemacs) '(t)
2561 '(:help "Post followup to this article, quoting its contents"))]
2562 ["Supersede article" gnus-summary-supersede-article t]
2563 ["Cancel article" gnus-summary-cancel-article
2564 ,@(if (featurep 'xemacs) '(t)
2565 '(:help "Cancel an article you posted"))]
2566 ["Reply" gnus-summary-reply t]
2567 ["Reply and yank" gnus-summary-reply-with-original t]
2568 ["Wide reply" gnus-summary-wide-reply t]
2569 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2570 ,@(if (featurep 'xemacs) '(t)
2571 '(:help "Mail a reply, quoting this article"))]
2572 ["Very wide reply" gnus-summary-very-wide-reply t]
2573 ["Very wide reply and yank" gnus-summary-very-wide-reply-with-original
2574 ,@(if (featurep 'xemacs) '(t)
2575 '(:help "Mail a very wide reply, quoting this article"))]
2576 ["Mail forward" gnus-summary-mail-forward t]
2577 ["Post forward" gnus-summary-post-forward t]
2578 ["Digest and mail" gnus-uu-digest-mail-forward t]
2579 ["Digest and post" gnus-uu-digest-post-forward t]
2580 ["Resend message" gnus-summary-resend-message t]
2581 ["Resend message edit" gnus-summary-resend-message-edit t]
2582 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2583 ["Send a mail" gnus-summary-mail-other-window t]
2584 ["Create a local message" gnus-summary-news-other-window t]
2585 ["Uuencode and post" gnus-uu-post-news
2586 ,@(if (featurep 'xemacs) '(t)
2587 '(:help "Post a uuencoded article"))]
2588 ["Followup via news" gnus-summary-followup-to-mail t]
2589 ["Followup via news and yank"
2590 gnus-summary-followup-to-mail-with-original t]
2591 ["Strip signature on reply"
2594 (if (not (memq message-cite-function
2595 '(message-cite-original-without-signature
2596 message-cite-original)))
2597 ;; Stupid workaround for XEmacs not honoring :visible.
2598 (message "Can't toggle this value of `message-cite-function'")
2599 (setq message-cite-function
2600 (if (eq message-cite-function
2601 'message-cite-original-without-signature)
2602 'message-cite-original
2603 'message-cite-original-without-signature))))
2604 ;; XEmacs barfs on :visible.
2605 ,@(if (featurep 'xemacs) nil
2606 '(:visible (memq message-cite-function
2607 '(message-cite-original-without-signature
2608 message-cite-original))))
2610 :selected (eq message-cite-function
2611 'message-cite-original-without-signature)
2612 ,@(if (featurep 'xemacs) nil
2613 '(:help "Strip signature from cited article when replying."))]
2615 ;;["Send" gnus-summary-send-draft t]
2616 ;;["Send bounced" gnus-resend-bounced-mail t])
2620 ((not (keymapp gnus-summary-post-menu))
2621 (setq gnus-article-post-menu gnus-summary-post-menu))
2622 ((not gnus-article-post-menu)
2623 ;; Don't share post menu.
2624 (setq gnus-article-post-menu
2625 (copy-keymap gnus-summary-post-menu))))
2626 (define-key gnus-article-mode-map [menu-bar post]
2627 (cons "Post" gnus-article-post-menu))
2630 gnus-summary-misc-menu gnus-summary-mode-map ""
2633 ["Mark as read" gnus-summary-mark-as-read-forward t]
2634 ["Mark same subject and select"
2635 gnus-summary-kill-same-subject-and-select t]
2636 ["Mark same subject" gnus-summary-kill-same-subject t]
2637 ["Catchup" gnus-summary-catchup
2638 ,@(if (featurep 'xemacs) '(t)
2639 '(:help "Mark unread articles in this group as read"))]
2640 ["Catchup all" gnus-summary-catchup-all t]
2641 ["Catchup to here" gnus-summary-catchup-to-here t]
2642 ["Catchup from here" gnus-summary-catchup-from-here t]
2643 ["Catchup region" gnus-summary-mark-region-as-read
2644 (gnus-mark-active-p)]
2645 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2647 ["Tick" gnus-summary-tick-article-forward t]
2648 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2649 ["Remove marks" gnus-summary-clear-mark-forward t]
2650 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2651 ["Set bookmark" gnus-summary-set-bookmark t]
2652 ["Remove bookmark" gnus-summary-remove-bookmark t])
2654 ["Marks..." gnus-summary-limit-to-marks t]
2655 ["Subject..." gnus-summary-limit-to-subject t]
2656 ["Author..." gnus-summary-limit-to-author t]
2657 ["Recipient..." gnus-summary-limit-to-recipient t]
2658 ["Address..." gnus-summary-limit-to-address t]
2659 ["Age..." gnus-summary-limit-to-age t]
2660 ["Extra..." gnus-summary-limit-to-extra t]
2661 ["Score..." gnus-summary-limit-to-score t]
2662 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2663 ["Unread" gnus-summary-limit-to-unread t]
2664 ["Unseen" gnus-summary-limit-to-unseen t]
2665 ["Singletons" gnus-summary-limit-to-singletons t]
2666 ["Replied" gnus-summary-limit-to-replied t]
2667 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2668 ["Next or process marked articles" gnus-summary-limit-to-articles t]
2669 ["Pop limit" gnus-summary-pop-limit t]
2670 ["Show dormant" gnus-summary-limit-include-dormant t]
2671 ["Hide childless dormant"
2672 gnus-summary-limit-exclude-childless-dormant t]
2673 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2674 ["Hide marked" gnus-summary-limit-exclude-marks t]
2675 ["Show expunged" gnus-summary-limit-include-expunged t])
2677 ["Set mark" gnus-summary-mark-as-processable t]
2678 ["Remove mark" gnus-summary-unmark-as-processable t]
2679 ["Remove all marks" gnus-summary-unmark-all-processable t]
2680 ["Invert marks" gnus-uu-invert-processable t]
2681 ["Mark above" gnus-uu-mark-over t]
2682 ["Mark series" gnus-uu-mark-series t]
2683 ["Mark region" gnus-uu-mark-region (gnus-mark-active-p)]
2684 ["Unmark region" gnus-uu-unmark-region (gnus-mark-active-p)]
2685 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2686 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2687 ["Mark all" gnus-uu-mark-all t]
2688 ["Mark buffer" gnus-uu-mark-buffer t]
2689 ["Mark sparse" gnus-uu-mark-sparse t]
2690 ["Mark thread" gnus-uu-mark-thread t]
2691 ["Unmark thread" gnus-uu-unmark-thread t]
2692 ("Process Mark Sets"
2693 ["Kill" gnus-summary-kill-process-mark t]
2694 ["Yank" gnus-summary-yank-process-mark
2695 gnus-newsgroup-process-stack]
2696 ["Save" gnus-summary-save-process-mark t]
2697 ["Run command on marked..." gnus-summary-universal-argument t]))
2700 ["Page forward" gnus-summary-next-page
2701 ,@(if (featurep 'xemacs) '(t)
2702 '(:help "Show next page of article"))]
2703 ["Page backward" gnus-summary-prev-page
2704 ,@(if (featurep 'xemacs) '(t)
2705 '(:help "Show previous page of article"))]
2706 ["Line forward" gnus-summary-scroll-up t])
2708 ["Next unread article" gnus-summary-next-unread-article t]
2709 ["Previous unread article" gnus-summary-prev-unread-article t]
2710 ["Next article" gnus-summary-next-article t]
2711 ["Previous article" gnus-summary-prev-article t]
2712 ["Next unread subject" gnus-summary-next-unread-subject t]
2713 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2714 ["Next article same subject" gnus-summary-next-same-subject t]
2715 ["Previous article same subject" gnus-summary-prev-same-subject t]
2716 ["First unread article" gnus-summary-first-unread-article t]
2717 ["Best unread article" gnus-summary-best-unread-article t]
2718 ["Go to subject number..." gnus-summary-goto-subject t]
2719 ["Go to article number..." gnus-summary-goto-article t]
2720 ["Go to the last article" gnus-summary-goto-last-article t]
2721 ["Pop article off history" gnus-summary-pop-article t])
2723 ["Sort by number" gnus-summary-sort-by-number t]
2724 ["Sort by most recent number" gnus-summary-sort-by-most-recent-number t]
2725 ["Sort by author" gnus-summary-sort-by-author t]
2726 ["Sort by recipient" gnus-summary-sort-by-recipient t]
2727 ["Sort by subject" gnus-summary-sort-by-subject t]
2728 ["Sort by date" gnus-summary-sort-by-date t]
2729 ["Sort by most recent date" gnus-summary-sort-by-most-recent-date t]
2730 ["Sort by score" gnus-summary-sort-by-score t]
2731 ["Sort by lines" gnus-summary-sort-by-lines t]
2732 ["Sort by characters" gnus-summary-sort-by-chars t]
2733 ["Randomize" gnus-summary-sort-by-random t]
2734 ["Original sort" gnus-summary-sort-by-original t])
2736 ["Fetch group FAQ" gnus-summary-fetch-faq t]
2737 ["Describe group" gnus-summary-describe-group t]
2738 ["Fetch charter" gnus-group-fetch-charter
2739 ,@(if (featurep 'xemacs) nil
2740 '(:help "Display the charter of the current group"))]
2741 ["Fetch control message" gnus-group-fetch-control
2742 ,@(if (featurep 'xemacs) nil
2743 '(:help "Display the archived control message for the current group"))]
2744 ["Read manual" gnus-info-find-node t])
2746 ["Pick and read" gnus-pick-mode t]
2747 ["Binary" gnus-binary-mode t])
2749 ["Regenerate" gnus-summary-prepare t]
2750 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2751 ["Insert dormant articles" gnus-summary-insert-dormant-articles t]
2752 ["Insert ticked articles" gnus-summary-insert-ticked-articles t]
2753 ["Toggle threading" gnus-summary-toggle-threads t])
2754 ["See old articles" gnus-summary-insert-old-articles t]
2755 ["See new articles" gnus-summary-insert-new-articles t]
2756 ["Filter articles..." gnus-summary-execute-command t]
2757 ["Run command on articles..." gnus-summary-universal-argument t]
2758 ["Search articles forward..." gnus-summary-search-article-forward t]
2759 ["Search articles backward..." gnus-summary-search-article-backward t]
2760 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2761 ["Expand window" gnus-summary-expand-window t]
2762 ["Expire expirable articles" gnus-summary-expire-articles
2763 (gnus-check-backend-function
2764 'request-expire-articles gnus-newsgroup-name)]
2765 ["Edit local kill file" gnus-summary-edit-local-kill t]
2766 ["Edit main kill file" gnus-summary-edit-global-kill t]
2767 ["Edit group parameters" gnus-summary-edit-parameters t]
2768 ["Customize group parameters" gnus-summary-customize-parameters t]
2769 ["Send a bug report" gnus-bug t]
2771 ["Catchup and exit" gnus-summary-catchup-and-exit
2772 ,@(if (featurep 'xemacs) '(t)
2773 '(:help "Mark unread articles in this group as read, then exit"))]
2774 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2775 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2776 ["Catchup and goto prev" gnus-summary-catchup-and-goto-prev-group t]
2777 ["Exit group" gnus-summary-exit
2778 ,@(if (featurep 'xemacs) '(t)
2779 '(:help "Exit current group, return to group selection mode"))]
2780 ["Exit group without updating" gnus-summary-exit-no-update t]
2781 ["Exit and goto next group" gnus-summary-next-group t]
2782 ["Exit and goto prev group" gnus-summary-prev-group t]
2783 ["Reselect group" gnus-summary-reselect-current-group t]
2784 ["Rescan group" gnus-summary-rescan-group t]
2785 ["Update dribble" gnus-summary-save-newsrc t])))
2787 (gnus-run-hooks 'gnus-summary-menu-hook)))
2789 (defvar gnus-summary-tool-bar-map nil)
2791 ;; Note: The :set function in the `gnus-summary-tool-bar*' variables will only
2792 ;; affect _new_ message buffers. We might add a function that walks thru all
2793 ;; summary-mode buffers and force the update.
2794 (defun gnus-summary-tool-bar-update (&optional symbol value)
2795 "Update summary mode toolbar.
2796 Setter function for custom variables."
2797 (setq-default gnus-summary-tool-bar-map nil)
2799 ;; When used as ":set" function:
2800 (set-default symbol value))
2801 (when (gnus-buffer-live-p gnus-summary-buffer)
2802 (with-current-buffer gnus-summary-buffer
2803 (gnus-summary-make-tool-bar))))
2805 (defcustom gnus-summary-tool-bar (if (eq gmm-tool-bar-style 'gnome)
2806 'gnus-summary-tool-bar-gnome
2807 'gnus-summary-tool-bar-retro)
2808 "Specifies the Gnus summary tool bar.
2810 It can be either a list or a symbol refering to a list. See
2811 `gmm-tool-bar-from-list' for the format of the list. The
2812 default key map is `gnus-summary-mode-map'.
2814 Pre-defined symbols include `gnus-summary-tool-bar-gnome' and
2815 `gnus-summary-tool-bar-retro'."
2816 :type '(choice (const :tag "GNOME style" gnus-summary-tool-bar-gnome)
2817 (const :tag "Retro look" gnus-summary-tool-bar-retro)
2818 (repeat :tag "User defined list" gmm-tool-bar-item)
2820 :version "23.1" ;; No Gnus
2821 :initialize 'custom-initialize-default
2822 :set 'gnus-summary-tool-bar-update
2823 :group 'gnus-summary)
2825 (defcustom gnus-summary-tool-bar-gnome
2826 '((gnus-summary-post-news "mail/compose" nil)
2827 (gnus-summary-insert-new-articles "mail/inbox" nil
2828 :visible (or (not gnus-agent)
2830 (gnus-summary-reply-with-original "mail/reply")
2831 (gnus-summary-reply "mail/reply" nil :visible nil)
2832 (gnus-summary-followup-with-original "mail/reply-all")
2833 (gnus-summary-followup "mail/reply-all" nil :visible nil)
2834 (gnus-summary-mail-forward "mail/forward")
2835 (gnus-summary-save-article "mail/save")
2836 (gnus-summary-search-article-forward "search" nil :visible nil)
2837 (gnus-summary-print-article "print")
2838 (gnus-summary-tick-article-forward "flag-followup" nil :visible nil)
2839 ;; Some new commands that may need more suitable icons:
2840 (gnus-summary-save-newsrc "save" nil :visible nil)
2841 ;; (gnus-summary-show-article "stock_message-display" nil :visible nil)
2842 (gnus-summary-prev-article "left-arrow")
2843 (gnus-summary-next-article "right-arrow")
2844 (gnus-summary-next-page "next-page")
2845 ;; (gnus-summary-enter-digest-group "right_arrow" nil :visible nil)
2847 ;; Maybe some sort-by-... could be added:
2848 ;; (gnus-summary-sort-by-author "sort-a-z" nil :visible nil)
2849 ;; (gnus-summary-sort-by-date "sort-1-9" nil :visible nil)
2850 (gnus-summary-mark-as-expirable
2852 :visible (gnus-check-backend-function 'request-expire-articles
2853 gnus-newsgroup-name))
2854 (gnus-summary-mark-as-spam
2856 :visible (and (fboundp 'spam-group-ham-contents-p)
2857 (spam-group-ham-contents-p gnus-newsgroup-name))
2858 :help "Mark as spam")
2859 (gnus-summary-mark-as-read-forward
2861 :visible (and (fboundp 'spam-group-spam-contents-p)
2862 (spam-group-spam-contents-p gnus-newsgroup-name)))
2864 (gnus-summary-exit "exit")
2865 (gmm-customize-mode "preferences" t :help "Edit mode preferences")
2866 (gnus-info-find-node "help"))
2867 "List of functions for the summary tool bar (GNOME style).
2869 See `gmm-tool-bar-from-list' for the format of the list."
2870 :type '(repeat gmm-tool-bar-item)
2871 :version "23.1" ;; No Gnus
2872 :initialize 'custom-initialize-default
2873 :set 'gnus-summary-tool-bar-update
2874 :group 'gnus-summary)
2876 (defcustom gnus-summary-tool-bar-retro
2877 '((gnus-summary-prev-unread-article "gnus/prev-ur")
2878 (gnus-summary-next-unread-article "gnus/next-ur")
2879 (gnus-summary-post-news "gnus/post")
2880 (gnus-summary-followup-with-original "gnus/fuwo")
2881 (gnus-summary-followup "gnus/followup")
2882 (gnus-summary-reply-with-original "gnus/reply-wo")
2883 (gnus-summary-reply "gnus/reply")
2884 (gnus-summary-caesar-message "gnus/rot13")
2885 (gnus-uu-decode-uu "gnus/uu-decode")
2886 (gnus-summary-save-article-file "gnus/save-aif")
2887 (gnus-summary-save-article "gnus/save-art")
2888 (gnus-uu-post-news "gnus/uu-post")
2889 (gnus-summary-catchup "gnus/catchup")
2890 (gnus-summary-catchup-and-exit "gnus/cu-exit")
2891 (gnus-summary-exit "gnus/exit-summ")
2892 ;; Some new command that may need more suitable icons:
2893 (gnus-summary-print-article "gnus/print" nil :visible nil)
2894 (gnus-summary-mark-as-expirable "gnus/close" nil :visible nil)
2895 (gnus-summary-save-newsrc "gnus/save" nil :visible nil)
2896 ;; (gnus-summary-enter-digest-group "gnus/right_arrow" nil :visible nil)
2897 (gnus-summary-search-article-forward "gnus/search" nil :visible nil)
2898 ;; (gnus-summary-insert-new-articles "gnus/paste" nil :visible nil)
2899 ;; (gnus-summary-toggle-threads "gnus/open" nil :visible nil)
2901 (gnus-info-find-node "gnus/help" nil :visible nil))
2902 "List of functions for the summary tool bar (retro look).
2904 See `gmm-tool-bar-from-list' for the format of the list."
2905 :type '(repeat gmm-tool-bar-item)
2906 :version "23.1" ;; No Gnus
2907 :initialize 'custom-initialize-default
2908 :set 'gnus-summary-tool-bar-update
2909 :group 'gnus-summary)
2911 (defcustom gnus-summary-tool-bar-zap-list t
2912 "List of icon items from the global tool bar.
2913 These items are not displayed in the Gnus summary mode tool bar.
2915 See `gmm-tool-bar-from-list' for the format of the list."
2916 :type 'gmm-tool-bar-zap-list
2917 :version "23.1" ;; No Gnus
2918 :initialize 'custom-initialize-default
2919 :set 'gnus-summary-tool-bar-update
2920 :group 'gnus-summary)
2922 (defvar image-load-path)
2923 (defvar tool-bar-map)
2925 (defun gnus-summary-make-tool-bar (&optional force)
2926 "Make a summary mode tool bar from `gnus-summary-tool-bar'.
2927 When FORCE, rebuild the tool bar."
2928 (when (and (not (featurep 'xemacs))
2929 (boundp 'tool-bar-mode)
2931 (or (not gnus-summary-tool-bar-map) force))
2933 (gmm-image-load-path-for-library "gnus"
2936 (image-load-path (cons (car load-path)
2937 (when (boundp 'image-load-path)
2939 (map (gmm-tool-bar-from-list gnus-summary-tool-bar
2940 gnus-summary-tool-bar-zap-list
2941 'gnus-summary-mode-map)))
2943 ;; Need to set `gnus-summary-tool-bar-map' because `gnus-article-mode'
2945 (setq gnus-summary-tool-bar-map map))))
2946 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map))
2948 (defun gnus-score-set-default (var value)
2949 "A version of set that updates the GNU Emacs menu-bar."
2951 ;; It is the message that forces the active status to be updated.
2954 (defun gnus-make-score-map (type)
2955 "Make a summary score map of type TYPE."
2958 (let ((headers '(("author" "from" string)
2959 ("subject" "subject" string)
2960 ("article body" "body" string)
2961 ("article head" "head" string)
2962 ("xref" "xref" string)
2963 ("extra header" "extra" string)
2964 ("lines" "lines" number)
2965 ("followups to author" "followup" string)))
2966 (types '((number ("less than" <)
2969 (string ("substring" s)
2973 (perms '(("temporary" (current-time-string))
2981 (if (eq type 'lower)
2986 (setq header (car headers))
2992 (let ((ts (cdr (assoc (nth 2 header) types)))
3008 'gnus-summary-score-entry
3010 (if (or (string= (nth 1 header)
3012 (string= (nth 1 header)
3015 (list 'gnus-summary-header
3017 (list 'quote (nth 1 (car ts)))
3018 (list 'gnus-score-delta-default
3025 (list (nreverse outp))))
3028 (list (nreverse outt))))
3030 (setq headers (cdr headers)))
3031 (list (nreverse outh))))))))
3034 (declare-function turn-on-gnus-mailing-list-mode "gnus-ml" ())
3035 (defvar bookmark-make-record-function)
3038 (defun gnus-summary-mode (&optional group)
3039 "Major mode for reading articles.
3041 All normal editing commands are switched off.
3042 \\<gnus-summary-mode-map>
3043 Each line in this buffer represents one article. To read an
3044 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
3045 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
3048 You can also post articles and send mail from this buffer. To
3049 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
3050 of an article, type `\\[gnus-summary-reply]'.
3052 There are approx. one gazillion commands you can execute in this
3053 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
3055 The following commands are available:
3057 \\{gnus-summary-mode-map}"
3059 (kill-all-local-variables)
3060 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
3061 (gnus-summary-make-local-variables))
3062 (gnus-summary-make-local-variables)
3063 (setq gnus-newsgroup-name group)
3064 (when (gnus-visual-p 'summary-menu 'menu)
3065 (gnus-summary-make-menu-bar)
3066 (gnus-summary-make-tool-bar))
3067 (gnus-make-thread-indent-array)
3068 (gnus-simplify-mode-line)
3069 (setq major-mode 'gnus-summary-mode)
3070 (setq mode-name "Summary")
3071 (use-local-map gnus-summary-mode-map)
3072 (buffer-disable-undo)
3073 (setq buffer-read-only t ;Disable modification
3074 show-trailing-whitespace nil)
3075 (setq truncate-lines t)
3076 (add-to-invisibility-spec '(gnus-sum . t))
3077 (gnus-summary-set-display-table)
3078 (gnus-set-default-directory)
3079 (make-local-variable 'gnus-summary-line-format)
3080 (make-local-variable 'gnus-summary-line-format-spec)
3081 (make-local-variable 'gnus-summary-dummy-line-format)
3082 (make-local-variable 'gnus-summary-dummy-line-format-spec)
3083 (make-local-variable 'gnus-summary-mark-positions)
3084 (gnus-make-local-hook 'pre-command-hook)
3085 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
3086 (gnus-run-mode-hooks 'gnus-summary-mode-hook)
3087 (turn-on-gnus-mailing-list-mode)
3088 (mm-enable-multibyte)
3089 (set (make-local-variable 'bookmark-make-record-function)
3090 'gnus-summary-bookmark-make-record)
3091 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
3092 (gnus-update-summary-mark-positions))
3094 (defun gnus-summary-make-local-variables ()
3095 "Make all the local summary buffer variables."
3097 (dolist (local gnus-summary-local-variables)
3100 (if (eq (cdr local) 'global)
3101 ;; Copy the global value of the variable.
3102 (setq global (symbol-value (car local)))
3103 ;; Use the value from the list.
3104 (setq global (eval (cdr local))))
3105 (set (make-local-variable (car local)) global))
3106 ;; Simple nil-valued local variable.
3107 (set (make-local-variable local) nil)))))
3109 (defun gnus-summary-clear-local-variables ()
3110 (let ((locals gnus-summary-local-variables))
3112 (if (consp (car locals))
3113 (and (symbolp (caar locals))
3114 (set (caar locals) nil))
3115 (and (symbolp (car locals))
3116 (set (car locals) nil)))
3117 (setq locals (cdr locals)))))
3119 ;; Summary data functions.
3121 (defmacro gnus-data-number (data)
3124 (defmacro gnus-data-set-number (data number)
3125 `(setcar ,data ,number))
3127 (defmacro gnus-data-mark (data)
3130 (defmacro gnus-data-set-mark (data mark)
3131 `(setcar (nthcdr 1 ,data) ,mark))
3133 (defmacro gnus-data-pos (data)
3136 (defmacro gnus-data-set-pos (data pos)
3137 `(setcar (nthcdr 2 ,data) ,pos))
3139 (defmacro gnus-data-header (data)
3142 (defmacro gnus-data-set-header (data header)
3143 `(setf (nth 3 ,data) ,header))
3145 (defmacro gnus-data-level (data)
3148 (defmacro gnus-data-unread-p (data)
3149 `(= (nth 1 ,data) gnus-unread-mark))
3151 (defmacro gnus-data-read-p (data)
3152 `(/= (nth 1 ,data) gnus-unread-mark))
3154 (defmacro gnus-data-pseudo-p (data)
3155 `(consp (nth 3 ,data)))
3157 (defmacro gnus-data-find (number)
3158 `(assq ,number gnus-newsgroup-data))
3160 (defmacro gnus-data-find-list (number &optional data)
3161 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
3162 (memq (assq ,number bdata)
3165 (defmacro gnus-data-make (number mark pos header level)
3166 `(list ,number ,mark ,pos ,header ,level))
3168 (defun gnus-data-enter (after-article number mark pos header level offset)
3169 (let ((data (gnus-data-find-list after-article)))
3171 (error "No such article: %d" after-article))
3172 (setcdr data (cons (gnus-data-make number mark pos header level)
3174 (setq gnus-newsgroup-data-reverse nil)
3175 (gnus-data-update-list (cddr data) offset)))
3177 (defun gnus-data-enter-list (after-article list &optional offset)
3179 (let ((data (and after-article (gnus-data-find-list after-article)))
3183 (let ((odata gnus-newsgroup-data))
3184 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
3186 (gnus-data-update-list odata offset)))
3187 ;; Find the last element in the list to be spliced into the main
3189 (setq list (last list))
3192 (setcdr list gnus-newsgroup-data)
3193 (setq gnus-newsgroup-data ilist)
3195 (gnus-data-update-list (cdr list) offset)))
3196 (setcdr list (cdr data))
3199 (gnus-data-update-list (cdr list) offset))))
3200 (setq gnus-newsgroup-data-reverse nil))))
3202 (defun gnus-data-remove (article &optional offset)
3203 (let ((data gnus-newsgroup-data))
3204 (if (= (gnus-data-number (car data)) article)
3206 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
3207 gnus-newsgroup-data-reverse nil)
3209 (gnus-data-update-list gnus-newsgroup-data offset)))
3211 (when (= (gnus-data-number (cadr data)) article)
3212 (setcdr data (cddr data))
3214 (gnus-data-update-list (cdr data) offset))
3216 gnus-newsgroup-data-reverse nil))
3217 (setq data (cdr data))))))
3219 (defmacro gnus-data-list (backward)
3221 (or gnus-newsgroup-data-reverse
3222 (setq gnus-newsgroup-data-reverse
3223 (reverse gnus-newsgroup-data)))
3224 gnus-newsgroup-data))
3226 (defun gnus-data-update-list (data offset)
3227 "Add OFFSET to the POS of all data entries in DATA."
3228 (setq gnus-newsgroup-data-reverse nil)
3230 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
3231 (setq data (cdr data))))
3233 (defun gnus-summary-article-pseudo-p (article)
3234 "Say whether this article is a pseudo article or not."
3235 (not (vectorp (gnus-data-header (gnus-data-find article)))))
3237 (defmacro gnus-summary-article-sparse-p (article)
3238 "Say whether this article is a sparse article or not."
3239 `(memq ,article gnus-newsgroup-sparse))
3241 (defmacro gnus-summary-article-ancient-p (article)
3242 "Say whether this article is a sparse article or not."
3243 `(memq ,article gnus-newsgroup-ancient))
3245 (defun gnus-article-parent-p (number)
3246 "Say whether this article is a parent or not."
3247 (let ((data (gnus-data-find-list number)))
3248 (and (cdr data) ; There has to be an article after...
3249 (< (gnus-data-level (car data)) ; And it has to have a higher level.
3250 (gnus-data-level (nth 1 data))))))
3252 (defun gnus-article-children (number)
3253 "Return a list of all children to NUMBER."
3254 (let* ((data (gnus-data-find-list number))
3255 (level (gnus-data-level (car data)))
3257 (setq data (cdr data))
3259 (= (gnus-data-level (car data)) (1+ level)))
3260 (push (gnus-data-number (car data)) children)
3261 (setq data (cdr data)))
3264 (defmacro gnus-summary-skip-intangible ()
3265 "If the current article is intangible, then jump to a different article."
3266 '(let ((to (get-text-property (point) 'gnus-intangible)))
3267 (and to (gnus-summary-goto-subject to))))
3269 (defmacro gnus-summary-article-intangible-p ()
3270 "Say whether this article is intangible or not."
3271 '(get-text-property (point) 'gnus-intangible))
3273 (defun gnus-article-read-p (article)
3274 "Say whether ARTICLE is read or not."
3275 (not (or (memq article gnus-newsgroup-marked)
3276 (memq article gnus-newsgroup-spam-marked)
3277 (memq article gnus-newsgroup-unreads)
3278 (memq article gnus-newsgroup-unselected)
3279 (memq article gnus-newsgroup-dormant))))
3281 ;; Some summary mode macros.
3283 (defmacro gnus-summary-article-number ()
3284 "The article number of the article on the current line.
3285 If there isn't an article number here, then we return the current
3288 (gnus-summary-skip-intangible)
3289 (or (get-text-property (point) 'gnus-number)
3290 (gnus-summary-last-subject))))
3292 (defmacro gnus-summary-article-header (&optional number)
3293 "Return the header of article NUMBER."
3294 `(gnus-data-header (gnus-data-find
3295 ,(or number '(gnus-summary-article-number)))))
3297 (defmacro gnus-summary-thread-level (&optional number)
3298 "Return the level of thread that starts with article NUMBER."
3299 `(if (and (eq gnus-summary-make-false-root 'dummy)
3300 (get-text-property (point) 'gnus-intangible))
3302 (gnus-data-level (gnus-data-find
3303 ,(or number '(gnus-summary-article-number))))))
3305 (defmacro gnus-summary-article-mark (&optional number)
3306 "Return the mark of article NUMBER."
3307 `(gnus-data-mark (gnus-data-find
3308 ,(or number '(gnus-summary-article-number)))))
3310 (defmacro gnus-summary-article-pos (&optional number)
3311 "Return the position of the line of article NUMBER."
3312 `(gnus-data-pos (gnus-data-find
3313 ,(or number '(gnus-summary-article-number)))))
3315 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
3316 (defmacro gnus-summary-article-subject (&optional number)
3317 "Return current subject string or nil if nothing."
3320 `(gnus-data-header (assq ,number gnus-newsgroup-data))
3321 '(gnus-data-header (assq (gnus-summary-article-number)
3322 gnus-newsgroup-data)))))
3325 (mail-header-subject headers))))
3327 (defmacro gnus-summary-article-score (&optional number)
3328 "Return current article score."
3329 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
3330 gnus-newsgroup-scored))
3331 gnus-summary-default-score 0))
3333 (defun gnus-summary-article-children (&optional number)
3334 "Return a list of article numbers that are children of article NUMBER."
3335 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
3336 (level (gnus-data-level (car data)))
3338 (while (and (setq data (cdr data))
3339 (> (setq l (gnus-data-level (car data))) level))
3340 (and (= (1+ level) l)
3341 (push (gnus-data-number (car data))
3343 (nreverse children)))
3345 (defun gnus-summary-article-parent (&optional number)
3346 "Return the article number of the parent of article NUMBER."
3347 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
3348 (gnus-data-list t)))
3349 (level (gnus-data-level (car data))))
3351 () ; This is a root.
3352 ;; We search until we find an article with a level less than
3353 ;; this one. That function has to be the parent.
3354 (while (and (setq data (cdr data))
3355 (not (< (gnus-data-level (car data)) level))))
3356 (and data (gnus-data-number (car data))))))
3358 (defun gnus-unread-mark-p (mark)
3359 "Say whether MARK is the unread mark."
3360 (= mark gnus-unread-mark))
3362 (defun gnus-read-mark-p (mark)
3363 "Say whether MARK is one of the marks that mark as read.
3364 This is all marks except unread, ticked, dormant, and expirable."
3365 (not (or (= mark gnus-unread-mark)
3366 (= mark gnus-ticked-mark)
3367 (= mark gnus-spam-mark)
3368 (= mark gnus-dormant-mark)
3369 (= mark gnus-expirable-mark))))
3371 (defmacro gnus-article-mark (number)
3372 "Return the MARK of article NUMBER.
3373 This macro should only be used when computing the mark the \"first\"
3374 time; i.e., when generating the summary lines. After that,
3375 `gnus-summary-article-mark' should be used to examine the
3378 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
3379 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
3380 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
3381 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
3382 ((memq ,number gnus-newsgroup-spam-marked) gnus-spam-mark)
3383 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
3384 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
3385 (t (or (cdr (assq ,number gnus-newsgroup-reads))
3386 gnus-ancient-mark))))
3388 ;; Saving hidden threads.
3390 (defmacro gnus-save-hidden-threads (&rest forms)
3391 "Save hidden threads, eval FORMS, and restore the hidden threads."
3392 (let ((config (make-symbol "config")))
3393 `(let ((,config (gnus-hidden-threads-configuration)))
3397 (gnus-restore-hidden-threads-configuration ,config)))))
3398 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
3399 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
3401 (defun gnus-data-compute-positions ()
3402 "Compute the positions of all articles."
3403 (setq gnus-newsgroup-data-reverse nil)
3404 (let ((data gnus-newsgroup-data))
3406 (gnus-save-hidden-threads
3407 (gnus-summary-show-all-threads)
3408 (goto-char (point-min))
3410 (while (get-text-property (point) 'gnus-intangible)
3412 (gnus-data-set-pos (car data) (+ (point) 3))
3413 (setq data (cdr data))
3414 (forward-line 1))))))
3416 (defun gnus-hidden-threads-configuration ()
3417 "Return the current hidden threads configuration."
3420 (goto-char (point-min))
3422 (when (eq (get-char-property (point-at-eol) 'invisible) 'gnus-sum)
3423 (push (save-excursion (forward-line 0) (point)) config))
3427 (defun gnus-restore-hidden-threads-configuration (config)
3428 "Restore hidden threads configuration from CONFIG."
3430 (let (point (inhibit-read-only t))
3431 (while (setq point (pop config))
3433 (gnus-summary-hide-thread)))))
3435 ;; Various summary mode internalish functions.
3437 (defun gnus-mouse-pick-article (e)
3440 (gnus-summary-next-page nil t))
3442 (defun gnus-summary-set-display-table ()
3443 "Change the display table.
3444 Odd characters have a tendency to mess
3445 up nicely formatted displays - we make all possible glyphs
3446 display only a single character."
3448 ;; We start from the standard display table, if any.
3449 (let ((table (or (copy-sequence standard-display-table)
3450 (make-display-table)))
3452 ;; Nix out all the control chars...
3453 (while (>= (setq i (1- i)) 0)
3454 (gnus-put-display-table i [??] table))
3455 ;; ... but not newline and cr, of course. (cr is necessary for the
3456 ;; selective display).
3457 (gnus-put-display-table ?\n nil table)
3458 (gnus-put-display-table ?\r nil table)
3459 ;; We keep TAB as well.
3460 (gnus-put-display-table ?\t nil table)
3461 ;; We nix out any glyphs 127 through 255, or 127 through 159 in
3462 ;; Emacs 23 (unicode), that are not set already.
3463 (let ((i (if (ignore-errors (= (make-char 'latin-iso8859-1 160) 160))
3466 (while (>= (setq i (1- i)) 127)
3467 ;; Only modify if the entry is nil.
3468 (unless (gnus-get-display-table i table)
3469 (gnus-put-display-table i [??] table))))
3470 (setq buffer-display-table table)))
3472 (defun gnus-summary-set-article-display-arrow (pos)
3473 "Update the overlay arrow to point to line at position POS."
3474 (when gnus-summary-display-arrow
3475 (make-local-variable 'overlay-arrow-position)
3476 (make-local-variable 'overlay-arrow-string)
3480 (unless overlay-arrow-position
3481 (setq overlay-arrow-position (make-marker)))
3482 (setq overlay-arrow-string "=>"
3483 overlay-arrow-position (set-marker overlay-arrow-position
3485 (current-buffer))))))
3487 (defun gnus-summary-setup-buffer (group)
3488 "Initialize summary buffer."
3489 (let ((buffer (gnus-summary-buffer-name group))
3490 (dead-name (concat "*Dead Summary "
3491 (gnus-group-decoded-name group) "*")))
3492 ;; If a dead summary buffer exists, we kill it.
3493 (when (gnus-buffer-live-p dead-name)
3494 (gnus-kill-buffer dead-name))
3495 (if (get-buffer buffer)
3498 (setq gnus-summary-buffer (current-buffer))
3499 (not gnus-newsgroup-prepared))
3500 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
3501 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
3502 (gnus-summary-mode group)
3504 (gnus-carpal-setup-buffer 'summary))
3505 (when (gnus-group-quit-config group)
3506 (set (make-local-variable 'gnus-single-article-buffer) nil))
3507 (make-local-variable 'gnus-article-buffer)
3508 (make-local-variable 'gnus-article-current)
3509 (make-local-variable 'gnus-original-article-buffer)
3510 (setq gnus-newsgroup-name group)
3511 ;; Set any local variables in the group parameters.
3512 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3515 (defun gnus-set-global-variables ()
3516 "Set the global equivalents of the buffer-local variables.
3517 They are set to the latest values they had. These reflect the summary
3518 buffer that was in action when the last article was fetched."
3519 (when (eq major-mode 'gnus-summary-mode)
3520 (setq gnus-summary-buffer (current-buffer))
3521 (let ((name gnus-newsgroup-name)
3522 (marked gnus-newsgroup-marked)
3523 (spam gnus-newsgroup-spam-marked)
3524 (unread gnus-newsgroup-unreads)
3525 (headers gnus-current-headers)
3526 (data gnus-newsgroup-data)
3527 (summary gnus-summary-buffer)
3528 (article-buffer gnus-article-buffer)
3529 (original gnus-original-article-buffer)
3530 (gac gnus-article-current)
3531 (reffed gnus-reffed-article-number)
3532 (score-file gnus-current-score-file)
3533 (default-charset gnus-newsgroup-charset)
3535 (let ((locals gnus-newsgroup-variables))
3537 (if (consp (car locals))
3538 (push (eval (caar locals)) vlist)
3539 (push (eval (car locals)) vlist))
3540 (setq locals (cdr locals)))
3541 (setq vlist (nreverse vlist)))
3542 (with-current-buffer gnus-group-buffer
3543 (setq gnus-newsgroup-name name
3544 gnus-newsgroup-marked marked
3545 gnus-newsgroup-spam-marked spam
3546 gnus-newsgroup-unreads unread
3547 gnus-current-headers headers
3548 gnus-newsgroup-data data
3549 gnus-article-current gac
3550 gnus-summary-buffer summary
3551 gnus-article-buffer article-buffer
3552 gnus-original-article-buffer original
3553 gnus-reffed-article-number reffed
3554 gnus-current-score-file score-file
3555 gnus-newsgroup-charset default-charset)
3556 (let ((locals gnus-newsgroup-variables))
3558 (if (consp (car locals))
3559 (set (caar locals) (pop vlist))
3560 (set (car locals) (pop vlist)))
3561 (setq locals (cdr locals))))
3562 ;; The article buffer also has local variables.
3563 (when (gnus-buffer-live-p gnus-article-buffer)
3564 (set-buffer gnus-article-buffer)
3565 (setq gnus-summary-buffer summary))))))
3567 (defun gnus-summary-article-unread-p (article)
3568 "Say whether ARTICLE is unread or not."
3569 (memq article gnus-newsgroup-unreads))
3571 (defun gnus-summary-first-article-p (&optional article)
3572 "Return whether ARTICLE is the first article in the buffer."
3573 (if (not (setq article (or article (gnus-summary-article-number))))
3575 (eq article (caar gnus-newsgroup-data))))
3577 (defun gnus-summary-last-article-p (&optional article)
3578 "Return whether ARTICLE is the last article in the buffer."
3579 (if (not (setq article (or article (gnus-summary-article-number))))
3580 ;; All non-existent numbers are the last article. :-)
3582 (not (cdr (gnus-data-find-list article)))))
3584 (defun gnus-make-thread-indent-array (&optional n)
3586 (progn (setq n 200) nil)
3587 (null gnus-thread-indent-array)
3588 (/= gnus-thread-indent-level gnus-thread-indent-array-level))
3589 (setq gnus-thread-indent-array (make-vector (1+ n) "")
3590 gnus-thread-indent-array-level gnus-thread-indent-level)
3592 (aset gnus-thread-indent-array n
3593 (make-string (* n gnus-thread-indent-level) ? ))
3596 (defun gnus-update-summary-mark-positions ()
3597 "Compute where the summary marks are to go."
3599 (when (gnus-buffer-exists-p gnus-summary-buffer)
3600 (set-buffer gnus-summary-buffer))
3601 (let ((spec gnus-summary-line-format-spec)
3604 (gnus-set-work-buffer)
3605 (let ((gnus-tmp-unread ?Z)
3606 (gnus-replied-mark ?Z)
3607 (gnus-score-below-mark ?Z)
3608 (gnus-score-over-mark ?Z)
3609 (gnus-undownloaded-mark ?Z)
3610 (gnus-summary-line-format-spec spec)
3611 (gnus-newsgroup-downloadable '(0))
3612 (header [0 "" "" "05 Apr 2001 23:33:09 +0400" "" "" 0 0 "" nil])
3613 case-fold-search ignores)
3614 ;; Here, all marks are bound to Z.
3615 (gnus-summary-insert-line header
3616 0 nil t gnus-tmp-unread t nil "" nil 1)
3617 (goto-char (point-min))
3618 ;; Memorize the positions of the same characters as dummy marks.
3619 (while (re-search-forward "[A-D]" nil t)
3620 (push (point) ignores))
3622 ;; We use A-D as dummy marks in order to know column positions
3623 ;; where marks should be inserted.
3624 (setq gnus-tmp-unread ?A
3625 gnus-replied-mark ?B
3626 gnus-score-below-mark ?C
3627 gnus-score-over-mark ?C
3628 gnus-undownloaded-mark ?D)
3629 (gnus-summary-insert-line header
3630 0 nil t gnus-tmp-unread t nil "" nil 1)
3631 ;; Ignore characters which aren't dummy marks.
3633 (delete-region (goto-char (1- p)) p)
3635 (goto-char (point-min))
3636 (setq pos (list (cons 'unread
3637 (and (search-forward "A" nil t)
3638 (- (point) (point-min) 1)))))
3639 (goto-char (point-min))
3640 (push (cons 'replied (and (search-forward "B" nil t)
3641 (- (point) (point-min) 1)))
3643 (goto-char (point-min))
3644 (push (cons 'score (and (search-forward "C" nil t)
3645 (- (point) (point-min) 1)))
3647 (goto-char (point-min))
3648 (push (cons 'download (and (search-forward "D" nil t)
3649 (- (point) (point-min) 1)))
3651 (setq gnus-summary-mark-positions pos))))
3653 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
3654 "Insert a dummy root in the summary buffer."
3656 (gnus-add-text-properties
3657 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
3658 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
3660 (defun gnus-summary-extract-address-component (from)
3661 (or (car (funcall gnus-extract-address-components from))
3664 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
3665 (let ((mail-parse-charset gnus-newsgroup-charset)
3666 (ignored-from-addresses (gnus-ignored-from-addresses))
3667 ; Is it really necessary to do this next part for each summary line?
3668 ; Luckily, doesn't seem to slow things down much.
3669 (mail-parse-ignored-charsets
3670 (with-current-buffer gnus-summary-buffer
3671 gnus-newsgroup-ignored-charsets)))
3673 (and ignored-from-addresses
3674 (string-match ignored-from-addresses gnus-tmp-from)
3675 (let ((extra-headers (mail-header-extra header))
3679 ((setq to (cdr (assq 'To extra-headers)))
3680 (concat gnus-summary-to-prefix
3682 (gnus-summary-extract-address-component
3683 (funcall gnus-decode-encoded-address-function to)))))
3686 (cdr (assq 'Newsgroups extra-headers))
3688 (memq 'Newsgroups gnus-extra-headers)
3689 (eq (car (gnus-find-method-for-group
3690 gnus-newsgroup-name)) 'nntp)
3691 (gnus-group-real-name gnus-newsgroup-name))))
3692 (concat gnus-summary-newsgroup-prefix newsgroups)))))
3693 (inline (gnus-summary-extract-address-component gnus-tmp-from)))))
3695 (defun gnus-summary-insert-line (gnus-tmp-header
3696 gnus-tmp-level gnus-tmp-current
3697 undownloaded gnus-tmp-unread gnus-tmp-replied
3698 gnus-tmp-expirable gnus-tmp-subject-or-nil
3699 &optional gnus-tmp-dummy gnus-tmp-score
3701 (if (>= gnus-tmp-level (length gnus-thread-indent-array))
3702 (gnus-make-thread-indent-array (max (* 2 (length gnus-thread-indent-array))
3704 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
3705 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
3706 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
3707 (gnus-tmp-score-char
3708 (if (or (null gnus-summary-default-score)
3709 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3710 gnus-summary-zcore-fuzz))
3712 (if (< gnus-tmp-score gnus-summary-default-score)
3713 gnus-score-below-mark gnus-score-over-mark)))
3714 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3716 (cond (gnus-tmp-process gnus-process-mark)
3717 ((memq gnus-tmp-current gnus-newsgroup-cached)
3719 (gnus-tmp-replied gnus-replied-mark)
3720 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3721 gnus-forwarded-mark)
3722 ((memq gnus-tmp-current gnus-newsgroup-saved)
3724 ((memq gnus-tmp-number gnus-newsgroup-recent)
3726 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3729 (gnus-tmp-downloaded
3731 gnus-undownloaded-mark)
3732 (gnus-newsgroup-agentized
3733 gnus-downloaded-mark)
3736 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3739 ((string-match "<[^>]+> *$" gnus-tmp-from)
3740 (let ((beg (match-beginning 0)))
3741 (or (and (string-match "^\".+\"" gnus-tmp-from)
3742 (substring gnus-tmp-from 1 (1- (match-end 0))))
3743 (substring gnus-tmp-from 0 beg))))
3744 ((string-match "(.+)" gnus-tmp-from)
3745 (substring gnus-tmp-from
3746 (1+ (match-beginning 0)) (1- (match-end 0))))
3748 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3749 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3750 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3751 (inhibit-read-only t))
3752 (when (string= gnus-tmp-name "")
3753 (setq gnus-tmp-name gnus-tmp-from))
3754 (unless (numberp gnus-tmp-lines)
3755 (setq gnus-tmp-lines -1))
3756 (if (= gnus-tmp-lines -1)
3757 (setq gnus-tmp-lines "?")
3758 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3760 (gnus-put-text-property
3762 (progn (eval gnus-summary-line-format-spec) (point))
3763 'gnus-number gnus-tmp-number)
3764 (error (gnus-message 5 "Error updating the summary line")))
3765 (when (gnus-visual-p 'summary-highlight 'highlight)
3767 (gnus-summary-highlight-line)
3768 (gnus-run-hooks 'gnus-summary-update-hook)
3771 (defun gnus-summary-update-line (&optional dont-update)
3772 "Update summary line after change."
3773 (when (and gnus-summary-default-score
3774 (not gnus-summary-inhibit-highlight))
3775 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3776 (article (gnus-summary-article-number))
3777 (score (gnus-summary-article-score article)))
3779 (if (and gnus-summary-mark-below
3780 (< (gnus-summary-article-score)
3781 gnus-summary-mark-below))
3782 ;; This article has a low score, so we mark it as read.
3783 (when (memq article gnus-newsgroup-unreads)
3784 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3785 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3786 ;; This article was previously marked as read on account
3787 ;; of a low score, but now it has risen, so we mark it as
3789 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3790 (gnus-summary-update-mark
3791 (if (or (null gnus-summary-default-score)
3792 (<= (abs (- score gnus-summary-default-score))
3793 gnus-summary-zcore-fuzz))
3795 (if (< score gnus-summary-default-score)
3796 gnus-score-below-mark gnus-score-over-mark))
3798 ;; Do visual highlighting.
3799 (when (gnus-visual-p 'summary-highlight 'highlight)
3800 (gnus-summary-highlight-line)
3801 (gnus-run-hooks 'gnus-summary-update-hook)))))
3803 (defvar gnus-tmp-new-adopts nil)
3805 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3806 "Return the number of articles in THREAD.
3807 This may be 0 in some cases -- if none of the articles in
3808 the thread are to be displayed."
3810 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3812 ((not (listp thread))
3814 ((and (consp thread) (cdr thread))
3817 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3820 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3823 (when (and level (zerop level) gnus-tmp-new-adopts)
3826 'gnus-summary-number-of-articles-in-thread
3827 gnus-tmp-new-adopts))))
3829 (if (> number 1) gnus-not-empty-thread-mark
3830 gnus-empty-thread-mark)
3833 (defsubst gnus-summary-line-message-size (head)
3834 "Return pretty-printed version of message size.
3835 This function is intended to be used in
3836 `gnus-summary-line-format-alist'."
3837 (let ((c (or (mail-header-chars head) -1)))
3838 (cond ((< c 0) "n/a") ; chars not available
3839 ((< c (* 1000 10)) (format "%1.1fk" (/ c 1024.0)))
3840 ((< c (* 1000 100)) (format "%dk" (/ c 1024.0)))
3841 ((< c (* 1000 10000)) (format "%1.1fM" (/ c (* 1024.0 1024))))
3842 (t (format "%dM" (/ c (* 1024.0 1024)))))))
3845 (defun gnus-summary-set-local-parameters (group)
3846 "Go through the local params of GROUP and set all variable specs in that list."
3847 (let ((vars '(quit-config))) ; Ignore quit-config.
3848 (dolist (elem (gnus-group-find-parameter group))
3849 (and (consp elem) ; Has to be a cons.
3850 (consp (cdr elem)) ; The cdr has to be a list.
3851 (symbolp (car elem)) ; Has to be a symbol in there.
3852 (not (memq (car elem) vars))
3854 (push (car elem) vars)
3855 ;; Variables like `gnus-show-threads' that are globally
3856 ;; bound, if used as group parameters, need to get to be
3857 ;; buffer-local, whereas just parameters like `gcc-self',
3858 ;; `timestamp', etc. should not be bound as variables.
3859 (if (boundp (car elem))
3860 (set (make-local-variable (car elem)) (eval (nth 1 elem)))
3861 (eval (nth 1 elem))))))))
3863 (defun gnus-summary-read-group (group &optional show-all no-article
3864 kill-buffer no-display backward
3866 "Start reading news in newsgroup GROUP.
3867 If SHOW-ALL is non-nil, already read articles are also listed.
3868 If NO-ARTICLE is non-nil, no article is selected initially.
3869 If NO-DISPLAY, don't generate a summary buffer."
3873 (let ((gnus-auto-select-next nil))
3874 (or (gnus-summary-read-group-1
3875 group show-all no-article
3876 kill-buffer no-display
3879 select-articles nil)))))
3880 (eq gnus-auto-select-next 'quietly))
3881 (set-buffer gnus-group-buffer)
3882 ;; The entry function called above goes to the next
3883 ;; group automatically, so we go two groups back
3884 ;; if we are searching for the previous group.
3886 (gnus-group-prev-unread-group 2))
3887 (if (not (equal group (gnus-group-group-name)))
3888 (setq group (gnus-group-group-name))
3892 (defun gnus-summary-read-group-1 (group show-all no-article
3893 kill-buffer no-display
3894 &optional select-articles)
3895 ;; Killed foreign groups can't be entered.
3896 ;; (when (and (not (gnus-group-native-p group))
3897 ;; (not (gnus-gethash group gnus-newsrc-hashtb)))
3898 ;; (error "Dead non-native groups can't be entered"))
3899 (gnus-message 5 "Retrieving newsgroup: %s..."
3900 (gnus-group-decoded-name group))
3901 (let* ((new-group (gnus-summary-setup-buffer group))
3902 (quit-config (gnus-group-quit-config group))
3903 (did-select (and new-group (gnus-select-newsgroup
3904 group show-all select-articles))))
3906 ;; This summary buffer exists already, so we just select it.
3908 (gnus-set-global-variables)
3910 (gnus-kill-or-deaden-summary kill-buffer))
3911 (gnus-configure-windows 'summary 'force)
3912 (gnus-set-mode-line 'summary)
3913 (gnus-summary-position-point)
3916 ;; We couldn't select this group.
3918 (when (and (eq major-mode 'gnus-summary-mode)
3919 (not (equal (current-buffer) kill-buffer)))
3920 (kill-buffer (current-buffer))
3921 (if (not quit-config)
3923 ;; Update the info -- marks might need to be removed,
3925 (gnus-summary-update-info)
3926 (set-buffer gnus-group-buffer)
3927 (gnus-group-jump-to-group group)
3928 (gnus-group-next-unread-group 1))
3929 (gnus-handle-ephemeral-exit quit-config)))
3930 (let ((grpinfo (gnus-get-info group)))
3931 (if (null (gnus-info-read grpinfo))
3932 (gnus-message 3 "Group %s contains no messages"
3933 (gnus-group-decoded-name group))
3934 (gnus-message 3 "Can't select group")))
3936 ;; The user did a `C-g' while prompting for number of articles,
3937 ;; so we exit this group.
3938 ((eq did-select 'quit)
3939 (and (eq major-mode 'gnus-summary-mode)
3940 (not (equal (current-buffer) kill-buffer))
3941 (kill-buffer (current-buffer)))
3943 (gnus-kill-or-deaden-summary kill-buffer))
3944 (if (not quit-config)
3946 (set-buffer gnus-group-buffer)
3947 (gnus-group-jump-to-group group)
3948 (gnus-configure-windows 'group 'force))
3949 (gnus-handle-ephemeral-exit quit-config))
3950 ;; Finally signal the quit.
3952 ;; The group was successfully selected.
3954 (gnus-set-global-variables)
3955 ;; Save the active value in effect when the group was entered.
3956 (setq gnus-newsgroup-active
3958 (gnus-active gnus-newsgroup-name)))
3959 ;; You can change the summary buffer in some way with this hook.
3960 (gnus-run-hooks 'gnus-select-group-hook)
3961 (when (memq 'summary (gnus-update-format-specifications
3962 nil 'summary 'summary-mode 'summary-dummy))
3963 ;; The format specification for the summary line was updated,
3964 ;; so we need to update the mark positions as well.
3965 (gnus-update-summary-mark-positions))
3966 ;; Do score processing.
3967 (when gnus-use-scoring
3968 (gnus-possibly-score-headers))
3969 ;; Check whether to fill in the gaps in the threads.
3970 (when gnus-build-sparse-threads
3971 (gnus-build-sparse-threads))
3972 ;; Find the initial limit.
3974 (let ((gnus-newsgroup-dormant nil))
3975 (gnus-summary-initial-limit show-all))
3976 (gnus-summary-initial-limit show-all))
3977 ;; Generate the summary buffer.
3979 (gnus-summary-prepare))
3980 (when gnus-use-trees
3981 (gnus-tree-open group)
3982 (setq gnus-summary-highlight-line-function
3983 'gnus-tree-highlight-article))
3984 ;; If the summary buffer is empty, but there are some low-scored
3985 ;; articles or some excluded dormants, we include these in the
3987 (when (and (zerop (buffer-size))
3989 (cond (gnus-newsgroup-dormant
3990 (gnus-summary-limit-include-dormant))
3991 ((and gnus-newsgroup-scored show-all)
3992 (gnus-summary-limit-include-expunged t))))
3993 ;; Function `gnus-apply-kill-file' must be called in this hook.
3994 (gnus-run-hooks 'gnus-apply-kill-hook)
3995 (if (and (zerop (buffer-size))
3998 ;; This newsgroup is empty.
3999 (gnus-summary-catchup-and-exit nil t)
4000 (gnus-message 6 "No unread news")
4002 (gnus-kill-or-deaden-summary kill-buffer))
4003 ;; Return nil from this function.
4005 ;; Hide conversation thread subtrees. We cannot do this in
4006 ;; gnus-summary-prepare-hook since kill processing may not
4007 ;; work with hidden articles.
4008 (gnus-summary-maybe-hide-threads)
4010 (gnus-kill-or-deaden-summary kill-buffer))
4011 (gnus-summary-auto-select-subject)
4012 ;; Show first unread article if requested.
4013 (if (and (not no-article)
4015 gnus-newsgroup-unreads
4016 gnus-auto-select-first)
4018 (gnus-configure-windows 'summary)
4019 (let ((art (gnus-summary-article-number)))
4020 (unless (and (not gnus-plugged)
4021 (or (memq art gnus-newsgroup-undownloaded)
4022 (memq art gnus-newsgroup-downloadable)))
4023 (gnus-summary-goto-article art))))
4024 ;; Don't select any articles.
4025 (gnus-summary-position-point)
4026 (gnus-configure-windows 'summary 'force)
4027 (gnus-set-mode-line 'summary))
4028 (when (and gnus-auto-center-group
4029 (get-buffer-window gnus-group-buffer t))
4030 ;; Gotta use windows, because recenter does weird stuff if
4031 ;; the current buffer ain't the displayed window.
4032 (let ((owin (selected-window)))
4033 (select-window (get-buffer-window gnus-group-buffer t))
4034 (when (gnus-group-goto-group group)
4036 (select-window owin)))
4037 ;; Mark this buffer as "prepared".
4038 (setq gnus-newsgroup-prepared t)
4039 (gnus-run-hooks 'gnus-summary-prepared-hook)
4040 (unless (gnus-ephemeral-group-p group)
4041 (gnus-group-update-group group))
4044 (defun gnus-summary-auto-select-subject ()
4045 "Select the subject line on initial group entry."
4046 (goto-char (point-min))
4048 ((eq gnus-auto-select-subject 'best)
4049 (gnus-summary-best-unread-subject))
4050 ((eq gnus-auto-select-subject 'unread)
4051 (gnus-summary-first-unread-subject))
4052 ((eq gnus-auto-select-subject 'unseen)
4053 (gnus-summary-first-unseen-subject))
4054 ((eq gnus-auto-select-subject 'unseen-or-unread)
4055 (gnus-summary-first-unseen-or-unread-subject))
4056 ((eq gnus-auto-select-subject 'first)
4059 ((functionp gnus-auto-select-subject)
4060 (funcall gnus-auto-select-subject))))
4062 (defun gnus-summary-prepare ()
4063 "Generate the summary buffer."
4065 (let ((inhibit-read-only t))
4067 (setq gnus-newsgroup-data nil
4068 gnus-newsgroup-data-reverse nil)
4069 (gnus-run-hooks 'gnus-summary-generate-hook)
4070 ;; Generate the buffer, either with threads or without.
4071 (when gnus-newsgroup-headers
4072 (gnus-summary-prepare-threads
4073 (if gnus-show-threads
4074 (gnus-sort-gathered-threads
4075 (funcall gnus-summary-thread-gathering-function
4077 (gnus-cut-threads (gnus-make-threads)))))
4078 ;; Unthreaded display.
4079 (gnus-sort-articles gnus-newsgroup-headers))))
4080 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
4081 ;; Call hooks for modifying summary buffer.
4082 (goto-char (point-min))
4083 (gnus-run-hooks 'gnus-summary-prepare-hook)))
4085 (defsubst gnus-general-simplify-subject (subject)
4086 "Simplify subject by the same rules as `gnus-gather-threads-by-subject'."
4089 ;; Truncate the subject.
4090 (gnus-simplify-subject-functions
4091 (gnus-map-function gnus-simplify-subject-functions subject))
4092 ((numberp gnus-summary-gather-subject-limit)
4093 (setq subject (gnus-simplify-subject-re subject))
4094 (if (> (length subject) gnus-summary-gather-subject-limit)
4095 (substring subject 0 gnus-summary-gather-subject-limit)
4097 ;; Fuzzily simplify it.
4098 ((eq 'fuzzy gnus-summary-gather-subject-limit)
4099 (gnus-simplify-subject-fuzzy subject))
4100 ;; Just remove the leading "Re:".
4102 (gnus-simplify-subject-re subject))))
4104 (if (and gnus-summary-gather-exclude-subject
4105 (string-match gnus-summary-gather-exclude-subject subject))
4106 nil ; This article shouldn't be gathered
4109 (defun gnus-summary-simplify-subject-query ()
4110 "Query where the respool algorithm would put this article."
4112 (gnus-summary-select-article)
4113 (message "%s" (gnus-general-simplify-subject (gnus-summary-article-subject))))
4115 (defun gnus-gather-threads-by-subject (threads)
4116 "Gather threads by looking at Subject headers."
4117 (if (not gnus-summary-make-false-root)
4119 (let ((hashtb (gnus-make-hashtable 1024))
4122 subject hthread whole-subject)
4124 (setq subject (gnus-general-simplify-subject
4125 (setq whole-subject (mail-header-subject
4128 (if (setq hthread (gnus-gethash subject hashtb))
4130 ;; We enter a dummy root into the thread, if we
4131 ;; haven't done that already.
4132 (unless (stringp (caar hthread))
4133 (setcar hthread (list whole-subject (car hthread))))
4134 ;; We add this new gathered thread to this gathered
4136 (setcdr (car hthread)
4137 (nconc (cdar hthread) (list (car threads))))
4138 ;; Remove it from the list of threads.
4139 (setcdr prev (cdr threads))
4140 (setq threads prev))
4141 ;; Enter this thread into the hash table.
4142 (gnus-sethash subject
4143 (if gnus-summary-make-false-root-always
4145 ;; If you want a dummy root above all
4147 (setcar threads (list whole-subject
4153 (setq threads (cdr threads)))
4156 (defun gnus-gather-threads-by-references (threads)
4157 "Gather threads by looking at References headers."
4158 (let ((idhashtb (gnus-make-hashtable 1024))
4159 (thhashtb (gnus-make-hashtable 1024))
4162 ids references id gthread gid entered ref)
4164 (when (setq references (mail-header-references (caar threads)))
4165 (setq id (mail-header-id (caar threads))
4166 ids (inline (gnus-split-references references))
4168 (while (setq ref (pop ids))
4169 (setq ids (delete ref ids))
4170 (if (not (setq gid (gnus-gethash ref idhashtb)))
4172 (gnus-sethash ref id idhashtb)
4173 (gnus-sethash id threads thhashtb))
4174 (setq gthread (gnus-gethash gid thhashtb))
4176 ;; We enter a dummy root into the thread, if we
4177 ;; haven't done that already.
4178 (unless (stringp (caar gthread))
4179 (setcar gthread (list (mail-header-subject (caar gthread))
4181 ;; We add this new gathered thread to this gathered
4183 (setcdr (car gthread)
4184 (nconc (cdar gthread) (list (car threads)))))
4185 ;; Add it into the thread hash table.
4186 (gnus-sethash id gthread thhashtb)
4188 ;; Remove it from the list of threads.
4189 (setcdr prev (cdr threads))
4190 (setq threads prev))))
4192 (setq threads (cdr threads)))
4195 (defun gnus-sort-gathered-threads (threads)
4196 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
4197 (let ((result threads))
4199 (when (stringp (caar threads))
4200 (setcdr (car threads)
4201 (sort (cdar threads) gnus-sort-gathered-threads-function)))
4202 (setq threads (cdr threads)))
4205 (defun gnus-thread-loop-p (root thread)
4206 "Say whether ROOT is in THREAD."
4207 (let ((stack (list thread))
4210 (while (setq thread (pop stack))
4211 (setq th (cdr thread))
4213 (not (eq (caar th) root)))
4216 ;; We have found a loop.
4218 (setcdr thread (delq (car th) (cdr thread)))
4219 (if (boundp (setq ref-dep (intern "none"
4220 gnus-newsgroup-dependencies)))
4221 (setcdr (symbol-value ref-dep)
4222 (nconc (cdr (symbol-value ref-dep))
4224 (set ref-dep (list nil (car th))))
4227 ;; Push all the subthreads onto the stack.
4228 (push (cdr thread) stack)))
4231 (defun gnus-make-threads ()
4232 "Go through the dependency hashtb and find the roots. Return all threads."
4234 (while (catch 'infloop
4237 ;; Deal with self-referencing References loops.
4238 (when (and (car (symbol-value refs))
4245 (car (symbol-value refs)) thread))
4246 (cdr (symbol-value refs)))))))
4249 (unless (car (symbol-value refs))
4250 ;; These threads do not refer back to any other
4251 ;; articles, so they're roots.
4252 (setq threads (append (cdr (symbol-value refs)) threads))))
4253 gnus-newsgroup-dependencies)))
4256 ;; Build the thread tree.
4257 (defsubst gnus-dependencies-add-header (header dependencies force-new)
4258 "Enter HEADER into the DEPENDENCIES table if it is not already there.
4260 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
4261 if it was already present.
4263 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
4264 will not be entered in the DEPENDENCIES table. Otherwise duplicate
4265 Message-IDs will be renamed to a unique Message-ID before being
4268 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
4269 (let* ((id (mail-header-id header))
4270 (id-dep (and id (intern id dependencies)))
4271 parent-id ref ref-dep ref-header replaced)
4272 ;; Enter this `header' in the `dependencies' table.
4276 ;; The first two cases do the normal part: enter a new `header'
4277 ;; in the `dependencies' table.
4278 ((not (boundp id-dep))
4279 (set id-dep (list header)))
4280 ((null (car (symbol-value id-dep)))
4281 (setcar (symbol-value id-dep) header))
4283 ;; From here the `header' was already present in the
4284 ;; `dependencies' table.
4286 ;; Overrides an existing entry;
4287 ;; just set the header part of the entry.
4288 (setcar (symbol-value id-dep) header)
4291 ;; Renames the existing `header' to a unique Message-ID.
4292 ((not gnus-summary-ignore-duplicates)
4293 ;; An article with this Message-ID has already been seen.
4294 ;; We rename the Message-ID.
4295 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
4297 (mail-header-set-id header id))
4299 ;; The last case ignores an existing entry, except it adds any
4300 ;; additional Xrefs (in case the two articles came from different
4302 ;; Also sets `header' to `nil' meaning that the `dependencies'
4303 ;; table was *not* modified.
4305 (mail-header-set-xref
4306 (car (symbol-value id-dep))
4307 (concat (or (mail-header-xref (car (symbol-value id-dep)))
4309 (or (mail-header-xref header) "")))
4312 (when (and header (not replaced))
4313 ;; First check that we are not creating a References loop.
4314 (setq parent-id (gnus-parent-id (mail-header-references header)))
4315 (setq ref parent-id)
4317 (setq ref-dep (intern-soft ref dependencies))
4319 (setq ref-header (car (symbol-value ref-dep))))
4320 (if (string= id ref)
4321 ;; Yuk! This is a reference loop. Make the article be a
4324 (mail-header-set-references (car (symbol-value id-dep)) "none")
4326 (setq parent-id nil))
4327 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
4328 (setq ref-dep (intern (or parent-id "none") dependencies))
4329 (if (boundp ref-dep)
4330 (setcdr (symbol-value ref-dep)
4331 (nconc (cdr (symbol-value ref-dep))
4332 (list (symbol-value id-dep))))
4333 (set ref-dep (list nil (symbol-value id-dep)))))
4336 (defun gnus-extract-message-id-from-in-reply-to (string)
4337 (if (string-match "<[^>]+>" string)
4338 (substring string (match-beginning 0) (match-end 0))
4341 (defun gnus-build-sparse-threads ()
4342 (let ((headers gnus-newsgroup-headers)
4343 (mail-parse-charset gnus-newsgroup-charset)
4344 (gnus-summary-ignore-duplicates t)
4345 header references generation relations
4346 subject child end new-child date)
4347 ;; First we create an alist of generations/relations, where
4348 ;; generations is how much we trust the relation, and the relation
4350 (gnus-message 7 "Making sparse threads...")
4352 (nnheader-set-temp-buffer " *gnus sparse threads*")
4353 (while (setq header (pop headers))
4354 (when (and (setq references (mail-header-references header))
4355 (not (string= references "")))
4357 (setq child (mail-header-id header)
4358 subject (mail-header-subject header)
4359 date (mail-header-date header)
4361 (while (search-backward ">" nil t)
4362 (setq end (1+ (point)))
4363 (when (search-backward "<" nil t)
4364 (setq new-child (buffer-substring (point) end))
4365 (push (list (incf generation)
4366 child (setq child new-child)
4370 (push (list (1+ generation) child nil subject) relations))
4372 (kill-buffer (current-buffer)))
4373 ;; Sort over trustworthiness.
4374 (dolist (relation (sort relations 'car-less-than-car))
4375 (when (gnus-dependencies-add-header
4376 (make-full-mail-header
4377 gnus-reffed-article-number
4378 (nth 3 relation) "" (or (nth 4 relation) "")
4380 (or (nth 2 relation) "") 0 0 "")
4381 gnus-newsgroup-dependencies nil)
4382 (push gnus-reffed-article-number gnus-newsgroup-limit)
4383 (push gnus-reffed-article-number gnus-newsgroup-sparse)
4384 (push (cons gnus-reffed-article-number gnus-sparse-mark)
4385 gnus-newsgroup-reads)
4386 (decf gnus-reffed-article-number)))
4387 (gnus-message 7 "Making sparse threads...done")))
4389 (defun gnus-build-old-threads ()
4390 ;; Look at all the articles that refer back to old articles, and
4391 ;; fetch the headers for the articles that aren't there. This will
4392 ;; build complete threads - if the roots haven't been expired by the
4394 (let ((mail-parse-charset gnus-newsgroup-charset)
4398 (when (not (car (symbol-value refs)))
4399 (setq heads (cdr (symbol-value refs)))
4401 (if (memq (mail-header-number (caar heads))
4402 gnus-newsgroup-dormant)
4403 (setq heads (cdr heads))
4404 (setq id (symbol-name refs))
4405 (while (and (setq id (gnus-build-get-header id))
4406 (not (car (gnus-id-to-thread id)))))
4407 (setq heads nil)))))
4408 gnus-newsgroup-dependencies)))
4410 (defsubst gnus-remove-odd-characters (string)
4411 "Translate STRING into something that doesn't contain weird characters."
4412 (mm-subst-char-in-string
4414 (mm-subst-char-in-string ?\n ?\- string t) t))
4416 ;; This function has to be called with point after the article number
4417 ;; on the beginning of the line.
4418 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
4419 (let ((eol (point-at-eol))
4420 (buffer (current-buffer))
4421 header references in-reply-to)
4423 ;; overview: [num subject from date id refs chars lines misc]
4426 (narrow-to-region (point) eol)
4431 (make-full-mail-header
4433 (condition-case () ; subject
4434 (gnus-remove-odd-characters
4435 (funcall gnus-decode-encoded-word-function
4436 (setq x (nnheader-nov-field))))
4438 (condition-case () ; from
4439 (gnus-remove-odd-characters
4440 (funcall gnus-decode-encoded-address-function
4441 (setq x (nnheader-nov-field))))
4443 (nnheader-nov-field) ; date
4444 (nnheader-nov-read-message-id number) ; id
4445 (setq references (nnheader-nov-field)) ; refs
4446 (nnheader-nov-read-integer) ; chars
4447 (nnheader-nov-read-integer) ; lines
4449 (if (looking-at "Xref: ")
4450 (goto-char (match-end 0)))
4451 (nnheader-nov-field)) ; Xref
4452 (nnheader-nov-parse-extra)))) ; extra
4456 (when (and (string= references "")
4457 (setq in-reply-to (mail-header-extra header))
4458 (setq in-reply-to (cdr (assq 'In-Reply-To in-reply-to))))
4459 (mail-header-set-references
4460 header (gnus-extract-message-id-from-in-reply-to in-reply-to)))
4462 (when gnus-alter-header-function
4463 (funcall gnus-alter-header-function header))
4464 (gnus-dependencies-add-header header dependencies force-new)))
4466 (defun gnus-build-get-header (id)
4467 "Look through the buffer of NOV lines and find the header to ID.
4468 Enter this line into the dependencies hash table, and return
4469 the id of the parent article (if any)."
4470 (let ((deps gnus-newsgroup-dependencies)
4473 (with-current-buffer nntp-server-buffer
4474 (let ((case-fold-search nil))
4475 (goto-char (point-min))
4476 (while (and (not found)
4477 (search-forward id nil t))
4479 (setq found (looking-at
4480 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
4481 (regexp-quote id))))
4482 (or found (beginning-of-line 2)))
4486 (setq header (gnus-nov-parse-line
4487 (read (current-buffer)) deps))
4488 (gnus-parent-id (mail-header-references header))))))
4490 (let ((number (mail-header-number header)))
4491 (push number gnus-newsgroup-limit)
4492 (push header gnus-newsgroup-headers)
4493 (if (memq number gnus-newsgroup-unselected)
4495 (setq gnus-newsgroup-unreads
4496 (gnus-add-to-sorted-list gnus-newsgroup-unreads
4498 (setq gnus-newsgroup-unselected
4499 (delq number gnus-newsgroup-unselected)))
4500 (push number gnus-newsgroup-ancient)))))))
4502 (defun gnus-build-all-threads ()
4503 "Read all the headers."
4504 (let ((gnus-summary-ignore-duplicates t)
4505 (mail-parse-charset gnus-newsgroup-charset)
4506 (dependencies gnus-newsgroup-dependencies)
4508 (with-current-buffer nntp-server-buffer
4509 (let ((case-fold-search nil))
4510 (goto-char (point-min))
4513 (setq article (read (current-buffer))
4514 header (gnus-nov-parse-line article dependencies)))
4516 (with-current-buffer gnus-summary-buffer
4517 (push header gnus-newsgroup-headers)
4518 (if (memq (setq article (mail-header-number header))
4519 gnus-newsgroup-unselected)
4521 (setq gnus-newsgroup-unreads
4522 (gnus-add-to-sorted-list
4523 gnus-newsgroup-unreads article))
4524 (setq gnus-newsgroup-unselected
4525 (delq article gnus-newsgroup-unselected)))
4526 (push article gnus-newsgroup-ancient)))
4527 (forward-line 1)))))))
4529 (defun gnus-summary-update-article-line (article header)
4530 "Update the line for ARTICLE using HEADER."
4531 (let* ((id (mail-header-id header))
4532 (thread (gnus-id-to-thread id)))
4534 (error "Article in no thread"))
4535 ;; Update the thread.
4536 (setcar thread header)
4537 (gnus-summary-goto-subject article)
4538 (let* ((datal (gnus-data-find-list article))
4540 (inhibit-read-only t)
4541 (level (gnus-summary-thread-level)))
4543 (let ((inserted (- (point)
4545 (gnus-summary-insert-line
4547 (memq article gnus-newsgroup-undownloaded)
4548 (gnus-article-mark article)
4549 (memq article gnus-newsgroup-replied)
4550 (memq article gnus-newsgroup-expirable)
4551 ;; Only insert the Subject string when it's different
4552 ;; from the previous Subject string.
4557 (mail-header-subject
4560 (gnus-data-find-list
4562 (gnus-data-list t)))))
4563 ;; Error on the side of excessive subjects.
4565 (mail-header-subject header)))
4567 (mail-header-subject header))
4568 nil (cdr (assq article gnus-newsgroup-scored))
4569 (memq article gnus-newsgroup-processable))
4572 (gnus-data-update-list
4574 (- (gnus-data-pos data) (gnus-data-pos (cadr datal)) inserted)))))))
4576 (defun gnus-summary-update-article (article &optional iheader)
4577 "Update ARTICLE in the summary buffer."
4578 (set-buffer gnus-summary-buffer)
4579 (let* ((header (gnus-summary-article-header article))
4580 (id (mail-header-id header))
4581 (data (gnus-data-find article))
4582 (thread (gnus-id-to-thread id))
4583 (references (mail-header-references header))
4587 (when (and references
4588 (not (equal "" references)))
4591 (inhibit-read-only t)
4597 (delq thread parent)))
4598 (if (gnus-summary-insert-subject id header)
4599 ;; Set the (possibly) new article number in the data structure.
4600 (gnus-data-set-number data (gnus-id-to-article id))
4604 (defun gnus-rebuild-thread (id &optional line)
4605 "Rebuild the thread containing ID.
4606 If LINE, insert the rebuilt thread starting on line LINE."
4607 (let ((inhibit-read-only t)
4608 old-pos current thread data)
4609 (if (not gnus-show-threads)
4610 (setq thread (list (car (gnus-id-to-thread id))))
4611 ;; Get the thread this article is part of.
4612 (setq thread (gnus-remove-thread id)))
4613 (setq old-pos (point-at-bol))
4614 (setq current (save-excursion
4615 (and (re-search-backward "[\r\n]" nil t)
4616 (gnus-summary-article-number))))
4617 ;; If this is a gathered thread, we have to go some re-gathering.
4618 (when (stringp (car thread))
4619 (let ((subject (car thread))
4621 (setq thread (cdr thread))
4623 (unless (memq (setq thr (gnus-id-to-thread
4625 (mail-header-id (caar thread)))))
4628 (setq thread (cdr thread)))
4629 ;; We now have all (unique) roots.
4630 (if (= (length roots) 1)
4631 ;; All the loose roots are now one solid root.
4632 (setq thread (car roots))
4633 (setq thread (cons subject (gnus-sort-threads roots))))))
4635 ;; We then insert this thread into the summary buffer.
4637 (goto-char (point-min))
4638 (forward-line (1- line)))
4639 (let (gnus-newsgroup-data gnus-newsgroup-threads)
4640 (if gnus-show-threads
4641 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
4642 (gnus-summary-prepare-unthreaded thread))
4643 (setq data (nreverse gnus-newsgroup-data))
4644 (setq threads gnus-newsgroup-threads))
4645 ;; We splice the new data into the data structure.
4646 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
4647 ;;!!! then we want to insert at the beginning of the buffer.
4648 ;;!!! That happens to be true with Gnus now, but that may
4649 ;;!!! change in the future. Perhaps.
4650 (gnus-data-enter-list
4651 (if line nil current) data (- (point) old-pos))
4652 (setq gnus-newsgroup-threads
4653 (nconc threads gnus-newsgroup-threads))
4654 (gnus-data-compute-positions))))
4656 (defun gnus-number-to-header (number)
4657 "Return the header for article NUMBER."
4658 (let ((headers gnus-newsgroup-headers))
4660 (not (= number (mail-header-number (car headers)))))
4665 (defun gnus-parent-headers (in-headers &optional generation)
4666 "Return the headers of the GENERATIONeth parent of HEADERS."
4668 (setq generation 1))
4670 (headers in-headers)
4673 (not (zerop generation))
4674 (setq references (mail-header-references headers)))
4675 (setq headers (if (and references
4676 (setq parent (gnus-parent-id references)))
4677 (car (gnus-id-to-thread parent))
4680 (and (not (eq headers in-headers))
4683 (defun gnus-id-to-thread (id)
4684 "Return the (sub-)thread where ID appears."
4685 (gnus-gethash id gnus-newsgroup-dependencies))
4687 (defun gnus-id-to-article (id)
4688 "Return the article number of ID."
4689 (let ((thread (gnus-id-to-thread id)))
4692 (mail-header-number (car thread)))))
4694 (defun gnus-id-to-header (id)
4695 "Return the article headers of ID."
4696 (car (gnus-id-to-thread id)))
4698 (defun gnus-article-displayed-root-p (article)
4699 "Say whether ARTICLE is a root(ish) article."
4700 (let ((level (gnus-summary-thread-level article))
4701 (refs (mail-header-references (gnus-summary-article-header article)))
4707 ((null (gnus-parent-id refs)) t)
4709 (null (setq particle (gnus-id-to-article
4710 (gnus-parent-id refs))))
4711 (null (gnus-summary-thread-level particle)))))))
4713 (defun gnus-root-id (id)
4714 "Return the id of the root of the thread where ID appears."
4716 (while (and id (setq prev (car (gnus-id-to-thread id))))
4718 id (gnus-parent-id (mail-header-references prev))))
4721 (defun gnus-articles-in-thread (thread)
4722 "Return the list of articles in THREAD."
4723 (cons (mail-header-number (car thread))
4724 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
4726 (defun gnus-remove-thread (id &optional dont-remove)
4727 "Remove the thread that has ID in it."
4728 (let (headers thread last-id)
4729 ;; First go up in this thread until we find the root.
4730 (setq last-id (gnus-root-id id)
4731 headers (message-flatten-list (gnus-id-to-thread last-id)))
4732 ;; We have now found the real root of this thread. It might have
4733 ;; been gathered into some loose thread, so we have to search
4734 ;; through the threads to find the thread we wanted.
4735 (let ((threads gnus-newsgroup-threads)
4738 (setq sub (car threads))
4739 (if (stringp (car sub))
4740 ;; This is a gathered thread, so we look at the roots
4741 ;; below it to find whether this article is in this
4744 (setq sub (cdr sub))
4746 (when (member (caar sub) headers)
4747 (setq thread (car threads)
4750 (setq sub (cdr sub))))
4751 ;; It's an ordinary thread, so we check it.
4752 (when (eq (car sub) (car headers))
4755 (setq threads (cdr threads)))
4756 ;; If this article is in no thread, then it's a root.
4759 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
4760 (setq thread (gnus-id-to-thread last-id)))
4763 thread ; We return this thread.
4765 (if (stringp (car thread))
4767 ;; If we use dummy roots, then we have to remove the
4768 ;; dummy root as well.
4769 (when (eq gnus-summary-make-false-root 'dummy)
4770 ;; We go to the dummy root by going to
4771 ;; the first sub-"thread", and then one line up.
4772 (gnus-summary-goto-article
4773 (mail-header-number (caadr thread)))
4776 (gnus-data-compute-positions))
4777 (setq thread (cdr thread))
4779 (gnus-remove-thread-1 (car thread))
4780 (setq thread (cdr thread))))
4781 (gnus-remove-thread-1 thread))))))))
4783 (defun gnus-remove-thread-1 (thread)
4784 "Remove the thread THREAD recursively."
4785 (let ((number (mail-header-number (pop thread)))
4787 (setq thread (reverse thread))
4789 (gnus-remove-thread-1 (pop thread)))
4790 (when (setq d (gnus-data-find number))
4791 (goto-char (gnus-data-pos d))
4792 (gnus-summary-show-thread)
4798 (gnus-delete-line)))))))
4800 (defun gnus-sort-threads-recursive (threads func)
4801 (sort (mapcar (lambda (thread)
4804 (gnus-sort-threads-recursive (cdr thread) func))))
4807 (defun gnus-sort-threads-loop (threads func)
4808 (let* ((superthread (cons nil threads))
4809 (stack (list (cons superthread threads)))
4810 remaining-threads thread)
4812 (setq remaining-threads (cdr (car stack)))
4813 (if remaining-threads
4814 (progn (setq thread (car remaining-threads))
4815 (setcdr (car stack) (cdr remaining-threads))
4817 (push (cons thread (cdr thread)) stack)))
4818 (setq thread (caar stack))
4819 (setcdr thread (sort (cdr thread) func))
4823 (defun gnus-sort-threads (threads)
4825 (if (not gnus-thread-sort-functions)
4827 (gnus-message 8 "Sorting threads...")
4830 (let ((max-lisp-eval-depth (max max-lisp-eval-depth 5000)))
4831 (gnus-sort-threads-recursive
4832 threads (gnus-make-sort-function gnus-thread-sort-functions)))
4833 ;; Even after binding max-lisp-eval-depth, the recursive
4834 ;; sorter might fail for very long threads. In that case,
4835 ;; try using a (less well-tested) non-recursive sorter.
4836 (error (gnus-message 9 "Sorting threads with loop...")
4837 (gnus-sort-threads-loop
4838 threads (gnus-make-sort-function
4839 gnus-thread-sort-functions))))
4840 (gnus-message 8 "Sorting threads...done"))))
4842 (defun gnus-sort-articles (articles)
4844 (when gnus-article-sort-functions
4845 (gnus-message 7 "Sorting articles...")
4847 (setq gnus-newsgroup-headers
4848 (sort articles (gnus-make-sort-function
4849 gnus-article-sort-functions)))
4850 (gnus-message 7 "Sorting articles...done"))))
4852 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
4853 (defmacro gnus-thread-header (thread)
4854 "Return header of first article in THREAD.
4855 Note that THREAD must never, ever be anything else than a variable -
4856 using some other form will lead to serious barfage."
4857 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
4858 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
4859 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
4862 (defsubst gnus-article-sort-by-number (h1 h2)
4863 "Sort articles by article number."
4864 (< (mail-header-number h1)
4865 (mail-header-number h2)))
4867 (defun gnus-thread-sort-by-number (h1 h2)
4868 "Sort threads by root article number."
4869 (gnus-article-sort-by-number
4870 (gnus-thread-header h1) (gnus-thread-header h2)))
4872 (defsubst gnus-article-sort-by-random (h1 h2)
4873 "Sort articles randomly."
4876 (defun gnus-thread-sort-by-random (h1 h2)
4877 "Sort threads randomly."
4878 (gnus-article-sort-by-random
4879 (gnus-thread-header h1) (gnus-thread-header h2)))
4881 (defsubst gnus-article-sort-by-lines (h1 h2)
4882 "Sort articles by article Lines header."
4883 (< (mail-header-lines h1)
4884 (mail-header-lines h2)))
4886 (defun gnus-thread-sort-by-lines (h1 h2)
4887 "Sort threads by root article Lines header."
4888 (gnus-article-sort-by-lines
4889 (gnus-thread-header h1) (gnus-thread-header h2)))
4891 (defsubst gnus-article-sort-by-chars (h1 h2)
4892 "Sort articles by octet length."
4893 (< (mail-header-chars h1)
4894 (mail-header-chars h2)))
4896 (defun gnus-thread-sort-by-chars (h1 h2)
4897 "Sort threads by root article octet length."
4898 (gnus-article-sort-by-chars
4899 (gnus-thread-header h1) (gnus-thread-header h2)))
4901 (defsubst gnus-article-sort-by-author (h1 h2)
4902 "Sort articles by root author."
4904 (let ((extract (funcall
4905 gnus-extract-address-components
4906 (mail-header-from h1))))
4907 (or (car extract) (cadr extract) ""))
4908 (let ((extract (funcall
4909 gnus-extract-address-components
4910 (mail-header-from h2))))
4911 (or (car extract) (cadr extract) ""))))
4913 (defun gnus-thread-sort-by-author (h1 h2)
4914 "Sort threads by root author."
4915 (gnus-article-sort-by-author
4916 (gnus-thread-header h1) (gnus-thread-header h2)))
4918 (defsubst gnus-article-sort-by-recipient (h1 h2)
4919 "Sort articles by recipient."
4921 (let ((extract (funcall
4922 gnus-extract-address-components
4923 (or (cdr (assq 'To (mail-header-extra h1))) ""))))
4924 (or (car extract) (cadr extract)))
4925 (let ((extract (funcall
4926 gnus-extract-address-components
4927 (or (cdr (assq 'To (mail-header-extra h2))) ""))))
4928 (or (car extract) (cadr extract)))))
4930 (defun gnus-thread-sort-by-recipient (h1 h2)
4931 "Sort threads by root recipient."
4932 (gnus-article-sort-by-recipient
4933 (gnus-thread-header h1) (gnus-thread-header h2)))
4935 (defsubst gnus-article-sort-by-subject (h1 h2)
4936 "Sort articles by root subject."
4938 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
4939 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
4941 (defun gnus-thread-sort-by-subject (h1 h2)
4942 "Sort threads by root subject."
4943 (gnus-article-sort-by-subject
4944 (gnus-thread-header h1) (gnus-thread-header h2)))
4946 (defsubst gnus-article-sort-by-date (h1 h2)
4947 "Sort articles by root article date."
4949 (gnus-date-get-time (mail-header-date h1))
4950 (gnus-date-get-time (mail-header-date h2))))
4952 (defun gnus-thread-sort-by-date (h1 h2)
4953 "Sort threads by root article date."
4954 (gnus-article-sort-by-date
4955 (gnus-thread-header h1) (gnus-thread-header h2)))
4957 (defsubst gnus-article-sort-by-score (h1 h2)
4958 "Sort articles by root article score.
4959 Unscored articles will be counted as having a score of zero."
4960 (> (or (cdr (assq (mail-header-number h1)
4961 gnus-newsgroup-scored))
4962 gnus-summary-default-score 0)
4963 (or (cdr (assq (mail-header-number h2)
4964 gnus-newsgroup-scored))
4965 gnus-summary-default-score 0)))
4967 (defun gnus-thread-sort-by-score (h1 h2)
4968 "Sort threads by root article score."
4969 (gnus-article-sort-by-score
4970 (gnus-thread-header h1) (gnus-thread-header h2)))
4972 (defun gnus-thread-sort-by-total-score (h1 h2)
4973 "Sort threads by the sum of all scores in the thread.
4974 Unscored articles will be counted as having a score of zero."
4975 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
4977 (defun gnus-thread-total-score (thread)
4978 ;; This function find the total score of THREAD.
4983 (if (stringp (car thread))
4984 (apply gnus-thread-score-function 0
4985 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
4986 (gnus-thread-total-score-1 thread)))
4988 (gnus-thread-total-score-1 (list thread)))))
4990 (defun gnus-thread-sort-by-most-recent-number (h1 h2)
4991 "Sort threads such that the thread with the most recently arrived article comes first."
4992 (> (gnus-thread-highest-number h1) (gnus-thread-highest-number h2)))
4994 (defun gnus-thread-highest-number (thread)
4995 "Return the highest article number in THREAD."
4996 (apply 'max (mapcar (lambda (header)
4997 (mail-header-number header))
4998 (message-flatten-list thread))))
5000 (defun gnus-thread-sort-by-most-recent-date (h1 h2)
5001 "Sort threads such that the thread with the most recently dated article comes first."
5002 (> (gnus-thread-latest-date h1) (gnus-thread-latest-date h2)))
5004 ; Since this is called not only to sort the top-level threads, but
5005 ; also in recursive sorts to order the articles within a thread, each
5006 ; article will be processed many times. Thus it speeds things up
5007 ; quite a bit to use gnus-date-get-time, which caches the time value.
5008 (defun gnus-thread-latest-date (thread)
5009 "Return the highest article date in THREAD."
5011 (mapcar (lambda (header) (gnus-float-time
5013 (mail-header-date header))))
5014 (message-flatten-list thread))))
5016 (defun gnus-thread-total-score-1 (root)
5017 ;; This function find the total score of the thread below ROOT.
5018 (setq root (car root))
5019 (apply gnus-thread-score-function
5021 (mapcar 'gnus-thread-total-score
5022 (cdr (gnus-id-to-thread (mail-header-id root))))
5023 (when (> (mail-header-number root) 0)
5024 (list (or (cdr (assq (mail-header-number root)
5025 gnus-newsgroup-scored))
5026 gnus-summary-default-score 0))))
5027 (list gnus-summary-default-score)
5030 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
5031 (defvar gnus-tmp-prev-subject nil)
5032 (defvar gnus-tmp-false-parent nil)
5033 (defvar gnus-tmp-root-expunged nil)
5034 (defvar gnus-tmp-dummy-line nil)
5036 (defun gnus-extra-header (type &optional header)
5037 "Return the extra header of TYPE."
5038 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
5041 (defvar gnus-tmp-thread-tree-header-string "")
5043 (defcustom gnus-sum-thread-tree-root "> "
5044 "With %B spec, used for the root of a thread.
5045 If nil, use subject instead."
5047 :type '(radio (const :format "%v " nil) string)
5048 :group 'gnus-thread)
5050 (defcustom gnus-sum-thread-tree-false-root "> "
5051 "With %B spec, used for a false root of a thread.
5052 If nil, use subject instead."
5054 :type '(radio (const :format "%v " nil) string)
5055 :group 'gnus-thread)
5057 (defcustom gnus-sum-thread-tree-single-indent ""
5058 "With %B spec, used for a thread with just one message.
5059 If nil, use subject instead."
5061 :type '(radio (const :format "%v " nil) string)
5062 :group 'gnus-thread)
5064 (defcustom gnus-sum-thread-tree-vertical "| "
5065 "With %B spec, used for drawing a vertical line."
5068 :group 'gnus-thread)
5070 (defcustom gnus-sum-thread-tree-indent " "
5071 "With %B spec, used for indenting."
5074 :group 'gnus-thread)
5076 (defcustom gnus-sum-thread-tree-leaf-with-other "+-> "
5077 "With %B spec, used for a leaf with brothers."
5080 :group 'gnus-thread)
5082 (defcustom gnus-sum-thread-tree-single-leaf "\\-> "
5083 "With %B spec, used for a leaf without brothers."
5086 :group 'gnus-thread)
5088 (defcustom gnus-summary-display-while-building nil
5089 "If non-nil, show and update the summary buffer as it's being built.
5090 If the value is t, update the buffer after every line is inserted. If
5091 the value is an integer (N), update the display every N lines."
5094 :type '(choice (const :tag "off" nil)
5096 (const :tag "frequently" t)))
5098 (defun gnus-summary-prepare-threads (threads)
5099 "Prepare summary buffer from THREADS and indentation LEVEL.
5100 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
5101 or a straight list of headers."
5102 (gnus-message 7 "Generating summary...")
5104 (setq gnus-newsgroup-threads threads)
5107 (let ((gnus-tmp-level 0)
5108 (default-score (or gnus-summary-default-score 0))
5109 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
5110 (building-line-count gnus-summary-display-while-building)
5111 (building-count (integerp gnus-summary-display-while-building))
5112 thread number subject stack state gnus-tmp-gathered beg-match
5113 new-roots gnus-tmp-new-adopts thread-end simp-subject
5114 gnus-tmp-header gnus-tmp-unread gnus-tmp-downloaded
5115 gnus-tmp-replied gnus-tmp-subject-or-nil
5116 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
5117 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
5118 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket
5121 (setq gnus-tmp-prev-subject nil
5122 gnus-tmp-thread-tree-header-string "")
5124 (if (vectorp (car threads))
5125 ;; If this is a straight (sic) list of headers, then a
5126 ;; threaded summary display isn't required, so we just create
5127 ;; an unthreaded one.
5128 (gnus-summary-prepare-unthreaded threads)
5130 ;; Do the threaded display.
5132 (if gnus-summary-display-while-building
5133 (switch-to-buffer (buffer-name)))
5134 (while (or threads stack gnus-tmp-new-adopts new-roots)
5136 (if (and (= gnus-tmp-level 0)
5139 (not gnus-tmp-false-parent)
5140 (or gnus-tmp-new-adopts new-roots))
5141 (if gnus-tmp-new-adopts
5142 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
5143 thread (list (car gnus-tmp-new-adopts))
5144 gnus-tmp-header (caar thread)
5145 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
5147 (setq thread (list (car new-roots))
5148 gnus-tmp-header (caar thread)
5149 new-roots (cdr new-roots))))
5152 ;; If there are some threads, we do them before the
5153 ;; threads on the stack.
5154 (setq thread threads
5155 gnus-tmp-header (caar thread))
5156 ;; There were no current threads, so we pop something off
5158 (setq state (car stack)
5159 gnus-tmp-level (car state)
5160 tree-stack (cadr state)
5161 thread (caddr state)
5163 gnus-tmp-header (caar thread))))
5165 (setq gnus-tmp-false-parent nil)
5166 (setq gnus-tmp-root-expunged nil)
5167 (setq thread-end nil)
5169 (if (stringp gnus-tmp-header)
5170 ;; The header is a dummy root.
5172 ((eq gnus-summary-make-false-root 'adopt)
5173 ;; We let the first article adopt the rest.
5174 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
5176 (setq gnus-tmp-gathered
5178 (lambda (h) (mail-header-number (car h)))
5181 (setq thread (cons (list (caar thread)
5184 (setq gnus-tmp-level -1
5185 gnus-tmp-false-parent t))
5186 ((eq gnus-summary-make-false-root 'empty)
5187 ;; We print adopted articles with empty subject fields.
5188 (setq gnus-tmp-gathered
5190 (lambda (h) (mail-header-number (car h)))
5193 (setq gnus-tmp-level -1))
5194 ((eq gnus-summary-make-false-root 'dummy)
5195 ;; We remember that we probably want to output a dummy
5197 (setq gnus-tmp-dummy-line gnus-tmp-header)
5198 (setq gnus-tmp-prev-subject gnus-tmp-header))
5200 ;; We do not make a root for the gathered
5201 ;; sub-threads at all.
5202 (setq gnus-tmp-level -1)))
5204 (setq number (mail-header-number gnus-tmp-header)
5205 subject (mail-header-subject gnus-tmp-header)
5206 simp-subject (gnus-simplify-subject-fully subject))
5209 ;; If the thread has changed subject, we might want to make
5210 ;; this subthread into a root.
5211 ((and (null gnus-thread-ignore-subject)
5212 (not (zerop gnus-tmp-level))
5213 gnus-tmp-prev-subject
5214 (not (string= gnus-tmp-prev-subject simp-subject)))
5215 (setq new-roots (nconc new-roots (list (car thread)))
5217 gnus-tmp-header nil))
5218 ;; If the article lies outside the current limit,
5219 ;; then we do not display it.
5220 ((not (memq number gnus-newsgroup-limit))
5221 (setq gnus-tmp-gathered
5223 (lambda (h) (mail-header-number (car h)))
5226 (setq gnus-tmp-new-adopts (if (cdar thread)
5227 (append gnus-tmp-new-adopts
5229 gnus-tmp-new-adopts)
5231 gnus-tmp-header nil)
5232 (when (zerop gnus-tmp-level)
5233 (setq gnus-tmp-root-expunged t)))
5234 ;; Perhaps this article is to be marked as read?
5235 ((and gnus-summary-mark-below
5236 (< (or (cdr (assq number gnus-newsgroup-scored))
5238 gnus-summary-mark-below)
5239 ;; Don't touch sparse articles.
5240 (not (gnus-summary-article-sparse-p number))
5241 (not (gnus-summary-article-ancient-p number)))
5242 (setq gnus-newsgroup-unreads
5243 (delq number gnus-newsgroup-unreads))
5244 (if gnus-newsgroup-auto-expire
5245 (setq gnus-newsgroup-expirable
5246 (gnus-add-to-sorted-list
5247 gnus-newsgroup-expirable number))
5248 (push (cons number gnus-low-score-mark)
5249 gnus-newsgroup-reads))))
5251 (when gnus-tmp-header
5252 ;; We may have an old dummy line to output before this
5254 (when (and gnus-tmp-dummy-line
5257 (mail-header-subject gnus-tmp-header)))
5258 (gnus-summary-insert-dummy-line
5259 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
5260 (setq gnus-tmp-dummy-line nil))
5262 ;; Compute the mark.
5263 (setq gnus-tmp-unread (gnus-article-mark number))
5265 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
5266 gnus-tmp-header gnus-tmp-level)
5267 gnus-newsgroup-data)
5269 ;; Actually insert the line.
5271 gnus-tmp-subject-or-nil
5273 ((and gnus-thread-ignore-subject
5274 gnus-tmp-prev-subject
5275 (not (string= gnus-tmp-prev-subject simp-subject)))
5277 ((zerop gnus-tmp-level)
5278 (if (and (eq gnus-summary-make-false-root 'empty)
5279 (memq number gnus-tmp-gathered)
5280 gnus-tmp-prev-subject
5281 (string= gnus-tmp-prev-subject simp-subject))
5282 gnus-summary-same-subject
5284 (t gnus-summary-same-subject)))
5285 (if (and (eq gnus-summary-make-false-root 'adopt)
5286 (= gnus-tmp-level 1)
5287 (memq number gnus-tmp-gathered))
5288 (setq gnus-tmp-opening-bracket ?\<
5289 gnus-tmp-closing-bracket ?\>)
5290 (setq gnus-tmp-opening-bracket ?\[
5291 gnus-tmp-closing-bracket ?\]))
5292 (if (>= gnus-tmp-level (length gnus-thread-indent-array))
5293 (gnus-make-thread-indent-array
5294 (max (* 2 (length gnus-thread-indent-array))
5297 gnus-tmp-indentation
5298 (aref gnus-thread-indent-array gnus-tmp-level)
5299 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
5300 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
5301 gnus-summary-default-score 0)
5303 (if (or (null gnus-summary-default-score)
5304 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
5305 gnus-summary-zcore-fuzz))
5307 (if (< gnus-tmp-score gnus-summary-default-score)
5308 gnus-score-below-mark gnus-score-over-mark))
5310 (cond ((memq number gnus-newsgroup-processable)
5312 ((memq number gnus-newsgroup-cached)
5314 ((memq number gnus-newsgroup-replied)
5316 ((memq number gnus-newsgroup-forwarded)
5317 gnus-forwarded-mark)
5318 ((memq number gnus-newsgroup-saved)
5320 ((memq number gnus-newsgroup-recent)
5322 ((memq number gnus-newsgroup-unseen)
5326 (cond ((memq number gnus-newsgroup-undownloaded)
5327 gnus-undownloaded-mark)
5328 (gnus-newsgroup-agentized
5329 gnus-downloaded-mark)
5332 gnus-tmp-from (mail-header-from gnus-tmp-header)
5335 ((string-match "<[^>]+> *$" gnus-tmp-from)
5336 (setq beg-match (match-beginning 0))
5337 (or (and (string-match "^\".+\"" gnus-tmp-from)
5338 (substring gnus-tmp-from 1 (1- (match-end 0))))
5339 (substring gnus-tmp-from 0 beg-match)))
5340 ((string-match "(.+)" gnus-tmp-from)
5341 (substring gnus-tmp-from
5342 (1+ (match-beginning 0)) (1- (match-end 0))))
5346 gnus-tmp-thread-tree-header-string
5348 ((not gnus-show-threads) "")
5349 ((zerop gnus-tmp-level)
5350 (cond ((cdar thread)
5351 (or gnus-sum-thread-tree-root subject))
5352 (gnus-tmp-new-adopts
5353 (or gnus-sum-thread-tree-false-root subject))
5355 (or gnus-sum-thread-tree-single-indent subject))))
5357 (concat (apply 'concat
5358 (mapcar (lambda (item)
5360 gnus-sum-thread-tree-vertical
5361 gnus-sum-thread-tree-indent))
5362 (cdr (reverse tree-stack))))
5364 gnus-sum-thread-tree-leaf-with-other
5365 gnus-sum-thread-tree-single-leaf)))))
5366 (when (string= gnus-tmp-name "")
5367 (setq gnus-tmp-name gnus-tmp-from))
5368 (unless (numberp gnus-tmp-lines)
5369 (setq gnus-tmp-lines -1))
5370 (if (= gnus-tmp-lines -1)
5371 (setq gnus-tmp-lines "?")
5372 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
5373 (gnus-put-text-property
5375 (progn (eval gnus-summary-line-format-spec) (point))
5376 'gnus-number number)
5379 (gnus-summary-highlight-line)
5380 (when gnus-summary-update-hook
5381 (gnus-run-hooks 'gnus-summary-update-hook))
5384 (setq gnus-tmp-prev-subject simp-subject)))
5386 (when (nth 1 thread)
5387 (push (list (max 0 gnus-tmp-level)
5388 (copy-sequence tree-stack)
5391 (push (if (nth 1 thread) 1 0) tree-stack)
5392 (incf gnus-tmp-level)
5393 (setq threads (if thread-end nil (cdar thread)))
5394 (if gnus-summary-display-while-building
5397 ;; use a set frequency
5398 (setq building-line-count (1- building-line-count))
5399 (when (= building-line-count 0)
5401 (setq building-line-count
5402 gnus-summary-display-while-building)))
5406 (setq gnus-tmp-level 0)))))
5407 (gnus-message 7 "Generating summary...done"))
5409 (defun gnus-summary-prepare-unthreaded (headers)
5410 "Generate an unthreaded summary buffer based on HEADERS."
5411 (let (header number mark)
5416 ;; We may have to root out some bad articles...
5417 (when (memq (setq number (mail-header-number
5418 (setq header (pop headers))))
5419 gnus-newsgroup-limit)
5420 ;; Mark article as read when it has a low score.
5421 (when (and gnus-summary-mark-below
5422 (< (or (cdr (assq number gnus-newsgroup-scored))
5423 gnus-summary-default-score 0)
5424 gnus-summary-mark-below)
5425 (not (gnus-summary-article-ancient-p number)))
5426 (setq gnus-newsgroup-unreads
5427 (delq number gnus-newsgroup-unreads))
5428 (if gnus-newsgroup-auto-expire
5429 (push number gnus-newsgroup-expirable)
5430 (push (cons number gnus-low-score-mark)
5431 gnus-newsgroup-reads)))
5433 (setq mark (gnus-article-mark number))
5434 (push (gnus-data-make number mark (1+ (point)) header 0)
5435 gnus-newsgroup-data)
5436 (gnus-summary-insert-line
5438 (memq number gnus-newsgroup-undownloaded)
5439 mark (memq number gnus-newsgroup-replied)
5440 (memq number gnus-newsgroup-expirable)
5441 (mail-header-subject header) nil
5442 (cdr (assq number gnus-newsgroup-scored))
5443 (memq number gnus-newsgroup-processable))))))
5445 (defun gnus-summary-remove-list-identifiers ()
5446 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
5447 (let ((regexp (if (consp gnus-list-identifiers)
5448 (mapconcat 'identity gnus-list-identifiers " *\\|")
5449 gnus-list-identifiers))
5452 (setq regexp (concat "^\\(?:R[Ee]: +\\)*\\(" regexp " *\\)"))
5453 (dolist (header gnus-newsgroup-headers)
5454 (setq subject (mail-header-subject header)
5456 (while (string-match regexp subject)
5458 (concat (substring subject 0 (match-beginning 1))
5459 (substring subject (match-end 0)))
5462 (when (string-match "^\\(\\(?:R[Ee]: +\\)+\\)R[Ee]: +" subject)
5464 (concat (substring subject 0 (match-beginning 1))
5465 (substring subject (match-end 1)))))
5466 (mail-header-set-subject header subject))))))
5468 (defun gnus-fetch-headers (articles)
5469 "Fetch headers of ARTICLES."
5470 (let ((name (gnus-group-decoded-name gnus-newsgroup-name)))
5471 (gnus-message 5 "Fetching headers for %s..." name)
5474 (setq gnus-headers-retrieved-by
5475 (gnus-retrieve-headers
5476 articles gnus-newsgroup-name
5477 ;; We might want to fetch old headers, but
5478 ;; not if there is only 1 article.
5480 (not (eq gnus-fetch-old-headers 'some))
5481 (not (numberp gnus-fetch-old-headers)))
5482 (> (length articles) 1))
5483 gnus-fetch-old-headers))))
5484 (gnus-get-newsgroup-headers-xover
5485 articles nil nil gnus-newsgroup-name t)
5486 (gnus-get-newsgroup-headers))
5487 (gnus-message 5 "Fetching headers for %s...done" name))))
5489 (defun gnus-select-newsgroup (group &optional read-all select-articles)
5490 "Select newsgroup GROUP.
5491 If READ-ALL is non-nil, all articles in the group are selected.
5492 If SELECT-ARTICLES, only select those articles from GROUP."
5493 (let* ((entry (gnus-group-entry group))
5494 ;;!!! Dirty hack; should be removed.
5495 (gnus-summary-ignore-duplicates
5496 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
5498 gnus-summary-ignore-duplicates))
5499 (info (nth 2 entry))
5500 charset articles fetched-articles cached)
5502 (unless (gnus-check-server
5503 (set (make-local-variable 'gnus-current-select-method)
5504 (gnus-find-method-for-group group)))
5505 (error "Couldn't open server"))
5506 (setq charset (gnus-group-name-charset gnus-current-select-method group))
5508 (or (and entry (not (eq (car entry) t))) ; Either it's active...
5509 (gnus-activate-group group) ; Or we can activate it...
5510 (progn ; Or we bug out.
5511 (when (equal major-mode 'gnus-summary-mode)
5512 (gnus-kill-buffer (current-buffer)))
5514 "Couldn't activate group %s: %s"
5515 (mm-decode-coding-string group charset)
5516 (mm-decode-coding-string (gnus-status-message group) charset))))
5518 (unless (gnus-request-group group t)
5519 (when (equal major-mode 'gnus-summary-mode)
5520 (gnus-kill-buffer (current-buffer)))
5521 (error "Couldn't request group %s: %s"
5522 (mm-decode-coding-string group charset)
5523 (mm-decode-coding-string (gnus-status-message group) charset)))
5526 (gnus-agent-possibly-alter-active group (gnus-active group) info)
5528 (setq gnus-summary-use-undownloaded-faces
5529 (gnus-agent-find-parameter
5531 'agent-enable-undownloaded-faces)))
5533 (setq gnus-newsgroup-name group
5534 gnus-newsgroup-unselected nil
5535 gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
5537 (let ((display (gnus-group-find-parameter group 'display)))
5538 (setq gnus-newsgroup-display
5540 ((not (zerop (or (car-safe read-all) 0)))
5541 ;; The user entered the group with C-u SPC/RET, let's show
5547 (gnus-summary-display-make-predicate (mapcar 'identity display)))
5549 ;; The following is probably the "correct" solution, but
5550 ;; it makes Gnus fetch all headers and then limit the
5551 ;; articles (which is slow), so instead we hack the
5552 ;; select-articles parameter instead. -- Simon Josefsson
5555 ;; (gnus-byte-compile
5556 ;; `(lambda () (> number ,(- (cdr (gnus-active group))
5558 (setq select-articles
5559 (gnus-uncompress-range
5560 (cons (let ((tmp (- (cdr (gnus-active group)) display)))
5564 (cdr (gnus-active group)))))
5569 (gnus-summary-setup-default-charset)
5571 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5572 (when (gnus-virtual-group-p group)
5573 (setq cached gnus-newsgroup-cached))
5575 (setq gnus-newsgroup-unreads
5576 (gnus-sorted-ndifference
5577 (gnus-sorted-ndifference gnus-newsgroup-unreads
5578 gnus-newsgroup-marked)
5579 gnus-newsgroup-dormant))
5581 (setq gnus-newsgroup-processable nil)
5583 (gnus-update-read-articles group gnus-newsgroup-unreads)
5585 ;; Adjust and set lists of article marks.
5587 (gnus-adjust-marked-articles info))
5588 (if (setq articles select-articles)
5589 (setq gnus-newsgroup-unselected
5590 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5591 (setq articles (gnus-articles-to-read group read-all)))
5595 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
5597 ((eq articles 0) nil)
5599 ;; Init the dependencies hash table.
5600 (setq gnus-newsgroup-dependencies
5601 (gnus-make-hashtable (length articles)))
5602 (gnus-set-global-variables)
5603 ;; Retrieve the headers and read them in.
5605 (setq gnus-newsgroup-headers (gnus-fetch-headers articles))
5607 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5609 (setq gnus-newsgroup-cached cached))
5611 ;; Suppress duplicates?
5612 (when gnus-suppress-duplicates
5613 (gnus-dup-suppress-articles))
5615 ;; Set the initial limit.
5616 (setq gnus-newsgroup-limit (copy-sequence articles))
5617 ;; Remove canceled articles from the list of unread articles.
5618 (setq fetched-articles
5619 (mapcar (lambda (headers) (mail-header-number headers))
5620 gnus-newsgroup-headers))
5621 (setq gnus-newsgroup-articles fetched-articles)
5622 (setq gnus-newsgroup-unreads
5623 (gnus-sorted-nintersection
5624 gnus-newsgroup-unreads fetched-articles))
5625 (gnus-compute-unseen-list)
5627 ;; Removed marked articles that do not exist.
5628 (gnus-update-missing-marks
5629 (gnus-sorted-difference articles fetched-articles))
5630 ;; We might want to build some more threads first.
5631 (when (and gnus-fetch-old-headers
5632 (eq gnus-headers-retrieved-by 'nov))
5633 (if (eq gnus-fetch-old-headers 'invisible)
5634 (gnus-build-all-threads)
5635 (gnus-build-old-threads)))
5636 ;; Let the Gnus agent mark articles as read.
5638 (gnus-agent-get-undownloaded-list))
5639 ;; Remove list identifiers from subject
5640 (when gnus-list-identifiers
5641 (gnus-summary-remove-list-identifiers))
5642 ;; Check whether auto-expire is to be done in this group.
5643 (setq gnus-newsgroup-auto-expire
5644 (gnus-group-auto-expirable-p group))
5645 ;; Set up the article buffer now, if necessary.
5646 (unless (and gnus-single-article-buffer
5647 (equal gnus-article-buffer "*Article*"))
5648 (gnus-article-setup-buffer))
5649 ;; First and last article in this newsgroup.
5650 (when gnus-newsgroup-headers
5651 (setq gnus-newsgroup-begin
5652 (mail-header-number (car gnus-newsgroup-headers))
5655 (gnus-last-element gnus-newsgroup-headers))))
5656 ;; GROUP is successfully selected.
5657 (or gnus-newsgroup-headers t)))))
5659 (defun gnus-compute-unseen-list ()
5660 ;; The `seen' marks are treated specially.
5661 (if (not gnus-newsgroup-seen)
5662 (setq gnus-newsgroup-unseen gnus-newsgroup-articles)
5663 (setq gnus-newsgroup-unseen
5664 (gnus-inverse-list-range-intersection
5665 gnus-newsgroup-articles gnus-newsgroup-seen))))
5667 (declare-function gnus-get-predicate "gnus-agent" (predicate))
5669 (defun gnus-summary-display-make-predicate (display)
5670 (require 'gnus-agent)
5671 (when (= (length display) 1)
5672 (setq display (car display)))
5673 (unless gnus-summary-display-cache
5674 (dolist (elem (append '((unread . unread)
5677 gnus-article-mark-lists))
5678 (push (cons (cdr elem)
5680 `(lambda () (gnus-article-marked-p ',(cdr elem)))))
5681 gnus-summary-display-cache)))
5682 (let ((gnus-category-predicate-alist gnus-summary-display-cache)
5683 (gnus-category-predicate-cache gnus-summary-display-cache))
5684 (gnus-get-predicate display)))
5686 ;; Uses the dynamically bound `number' variable.
5688 (defun gnus-article-marked-p (type &optional article)
5689 (let ((article (or article number)))
5692 (memq article gnus-newsgroup-marked))
5694 (memq article gnus-newsgroup-spam-marked))
5696 (memq article gnus-newsgroup-unsendable))
5697 ((eq type 'undownload)
5698 (memq article gnus-newsgroup-undownloaded))
5699 ((eq type 'download)
5700 (memq article gnus-newsgroup-downloadable))
5702 (memq article gnus-newsgroup-unreads))
5704 (memq article gnus-newsgroup-reads))
5706 (memq article gnus-newsgroup-dormant) )
5708 (memq article gnus-newsgroup-expirable))
5710 (memq article gnus-newsgroup-replied))
5712 (memq article gnus-newsgroup-killed))
5713 ((eq type 'bookmark)
5714 (assq article gnus-newsgroup-bookmarks))
5716 (assq article gnus-newsgroup-scored))
5718 (memq article gnus-newsgroup-saved))
5720 (memq article gnus-newsgroup-cached))
5722 (memq article gnus-newsgroup-forwarded))
5724 (not (memq article gnus-newsgroup-unseen)))
5726 (memq article gnus-newsgroup-recent))
5729 (defun gnus-articles-to-read (group &optional read-all)
5730 "Find out what articles the user wants to read."
5732 ;; Select all articles if `read-all' is non-nil, or if there
5733 ;; are no unread articles.
5735 (and (zerop (length gnus-newsgroup-marked))
5736 (zerop (length gnus-newsgroup-unreads)))
5737 ;; Fetch all if the predicate is non-nil.
5738 gnus-newsgroup-display)
5739 ;; We want to select the headers for all the articles in
5740 ;; the group, so we select either all the active
5741 ;; articles in the group, or (if that's nil), the
5742 ;; articles in the cache.
5744 (if gnus-newsgroup-maximum-articles
5745 (let ((active (gnus-active group)))
5746 (gnus-uncompress-range
5747 (cons (max (car active)
5749 gnus-newsgroup-maximum-articles
5752 (gnus-uncompress-range (gnus-active group)))
5753 (gnus-cache-articles-in-group group))
5754 ;; Select only the "normal" subset of articles.
5756 (gnus-sorted-union gnus-newsgroup-dormant gnus-newsgroup-marked)
5757 gnus-newsgroup-unreads)))
5758 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
5759 (scored (length scored-list))
5760 (number (length articles))
5761 (marked (+ (length gnus-newsgroup-marked)
5762 (length gnus-newsgroup-dormant)))
5767 ((numberp gnus-newsgroup-display)
5768 gnus-newsgroup-display)
5772 ((and (or (<= scored marked) (= scored number))
5773 (numberp gnus-large-newsgroup)
5774 (> number gnus-large-newsgroup))
5775 (let* ((cursor-in-echo-area nil)
5776 (initial (gnus-parameter-large-newsgroup-initial
5777 gnus-newsgroup-name))
5781 "How many articles from %s (%s %d): "
5782 (gnus-group-decoded-name gnus-newsgroup-name)
5783 (if initial "max" "default")
5786 (cons (number-to-string initial)
5788 (if (string-match "^[ \t]*$" input) number input)))
5789 ((and (> scored marked) (< scored number)
5790 (> (- scored number) 20))
5793 (format "%s %s (%d scored, %d total): "
5794 "How many articles from"
5795 (gnus-group-decoded-name group)
5797 (if (string-match "^[ \t]*$" input)
5801 (message "Quit getting the articles to read")
5803 (setq select (if (stringp select) (string-to-number select) select))
5804 (if (or (null select) (zerop select))
5806 (if (and (not (zerop scored)) (<= (abs select) scored))
5808 (setq articles (sort scored-list '<))
5809 (setq number (length articles)))
5810 (setq articles (copy-sequence articles)))
5812 (when (< (abs select) number)
5814 ;; Select the N oldest articles.
5815 (setcdr (nthcdr (1- (abs select)) articles) nil)
5816 ;; Select the N most recent articles.
5817 (setq articles (nthcdr (- number select) articles))))
5818 (setq gnus-newsgroup-unselected
5819 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5820 (when gnus-alter-articles-to-read-function
5823 (funcall gnus-alter-articles-to-read-function
5824 gnus-newsgroup-name articles)
5828 (defun gnus-killed-articles (killed articles)
5831 (when (inline (gnus-member-of-range (car articles) killed))
5832 (push (car articles) out))
5833 (setq articles (cdr articles)))
5836 (defun gnus-uncompress-marks (marks)
5837 "Uncompress the mark ranges in MARKS."
5838 (let ((uncompressed '(score bookmark))
5841 (if (memq (caar marks) uncompressed)
5842 (push (car marks) out)
5843 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
5844 (setq marks (cdr marks)))
5847 (defun gnus-article-mark-to-type (mark)
5848 "Return the type of MARK."
5849 (or (cadr (assq mark gnus-article-special-mark-lists))
5852 (defun gnus-article-unpropagatable-p (mark)
5853 "Return whether MARK should be propagated to back end."
5854 (memq mark gnus-article-unpropagated-mark-lists))
5856 (defun gnus-adjust-marked-articles (info)
5857 "Set all article lists and remove all marks that are no longer valid."
5858 (let* ((marked-lists (gnus-info-marks info))
5859 (active (gnus-active (gnus-info-group info)))
5862 (types gnus-article-mark-lists)
5863 marks var articles article mark mark-type
5865 ;; Hack to avoid adjusting marks for imap.
5866 (when (eq (car (gnus-find-method-for-group (gnus-info-group info)))
5870 (dolist (marks marked-lists)
5871 (setq mark (car marks)
5872 mark-type (gnus-article-mark-to-type mark)
5873 var (intern (format "gnus-newsgroup-%s" (car (rassq mark types)))))
5875 ;; We set the variable according to the type of the marks list,
5876 ;; and then adjust the marks to a subset of the active articles.
5878 ;; Adjust "simple" lists - compressed yet unsorted
5879 ((eq mark-type 'list)
5880 ;; Simultaneously uncompress and clip to active range
5881 ;; See gnus-uncompress-range for a description of possible marks
5883 (if (not (cadr marks))
5885 (setq articles (if (numberp (cddr marks))
5891 (while (setq article (pop articles))
5892 (cond ((consp article)
5893 (setq bgn (max (car article) min)
5894 end (min (cdr article) max))
5896 (setq l (setcdr l (cons bgn nil))
5898 ((and (<= min article)
5900 (setq l (setcdr l (cons article nil))))))
5901 (set var (cdr lh)))))
5903 ((eq mark-type 'tuple)
5904 (set var (setq articles (cdr marks)))
5905 (when (not (listp (cdr (symbol-value var))))
5906 (set var (list (symbol-value var))))
5907 (when (not (listp (cdr articles)))
5908 (setq articles (list articles)))
5910 (when (or (not (consp (setq article (pop articles))))
5911 (< (car article) min)
5912 (> (car article) max))
5913 (set var (delq article (symbol-value var))))))
5914 ;; Adjust ranges (sloppily).
5915 ((eq mark-type 'range)
5918 ;; Fix the record for `seen' if it looks like (seen NUM1 . NUM2).
5919 ;; It should be (seen (NUM1 . NUM2)).
5920 (when (numberp (cddr marks))
5921 (setcdr marks (list (cdr marks))))
5922 (setq articles (cdr marks))
5923 (while (and articles
5924 (or (and (consp (car articles))
5925 (> min (cdar articles)))
5926 (and (numberp (car articles))
5927 (> min (car articles)))))
5929 (set var articles))))))))
5931 (defun gnus-update-missing-marks (missing)
5932 "Go through the list of MISSING articles and remove them from the mark lists."
5935 ;; Go through all types.
5936 (dolist (elem gnus-article-mark-lists)
5937 (when (eq (gnus-article-mark-to-type (cdr elem)) 'list)
5938 (setq var (intern (format "gnus-newsgroup-%s" (car elem))))
5939 (when (symbol-value var)
5940 ;; This list has articles. So we delete all missing
5941 ;; articles from it.
5944 (set var (delq (pop m) (symbol-value var))))))))))
5946 (defun gnus-update-marks ()
5947 "Enter the various lists of marked articles into the newsgroup info list."
5948 (let ((types gnus-article-mark-lists)
5949 (info (gnus-get-info gnus-newsgroup-name))
5950 type list newmarked symbol delta-marks)
5952 ;; Add all marks lists to the list of marks lists.
5953 (while (setq type (pop types))
5954 (setq list (symbol-value
5956 (intern (format "gnus-newsgroup-%s" (car type))))))
5959 ;; Get rid of the entries of the articles that have the
5961 (when (and (eq (cdr type) 'score)
5965 (prev (cons nil list))
5968 (if (or (not (consp (car arts)))
5969 (= (cdar arts) gnus-summary-default-score))
5970 (setcdr prev (cdr arts))
5972 (setq arts (cdr arts)))
5973 (setq list (cdr all)))))
5975 (when (eq (cdr type) 'seen)
5976 (setq list (gnus-range-add list gnus-newsgroup-unseen)))
5978 (when (eq (gnus-article-mark-to-type (cdr type)) 'list)
5979 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
5981 (when (and (gnus-check-backend-function
5982 'request-set-mark gnus-newsgroup-name)
5983 (not (gnus-article-unpropagatable-p (cdr type))))
5984 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
5985 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
5986 (add (gnus-remove-from-range
5987 (gnus-copy-sequence list) old)))
5989 (push (list add 'add (list (cdr type))) delta-marks))
5991 ;; Don't delete marks from outside the active range. This
5992 ;; shouldn't happen, but is a sanity check.
5993 (setq del (gnus-sorted-range-intersection
5994 (gnus-active gnus-newsgroup-name) del))
5995 (push (list del 'del (list (cdr type))) delta-marks))))
5998 (push (cons (cdr type) list) newmarked)))
6001 (unless (gnus-check-group gnus-newsgroup-name)
6002 (error "Can't open server for %s" gnus-newsgroup-name))
6003 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
6005 ;; Enter these new marks into the info of the group.
6007 (setcar (nthcdr 3 info) newmarked)
6008 ;; Add the marks lists to the end of the info.
6010 (setcdr (nthcdr 2 info) (list newmarked))))
6012 ;; Cut off the end of the info if there's nothing else there.
6016 (when (nthcdr (decf i) info)
6017 (setcdr (nthcdr i info) nil)))))))
6019 (defun gnus-set-mode-line (where)
6020 "Set the mode line of the article or summary buffers.
6021 If WHERE is `summary', the summary mode line format will be used."
6022 ;; Is this mode line one we keep updated?
6023 (when (and (memq where gnus-updated-mode-lines)
6025 (intern (format "gnus-%s-mode-line-format-spec" where))))
6027 ;; We evaluate this in the summary buffer since these
6028 ;; variables are buffer-local to that buffer.
6029 (with-current-buffer gnus-summary-buffer
6030 ;; We bind all these variables that are used in the `eval' form
6032 (let* ((mformat (symbol-value
6034 (format "gnus-%s-mode-line-format-spec" where))))
6035 (gnus-tmp-group-name (gnus-mode-string-quote
6036 (gnus-group-decoded-name
6037 gnus-newsgroup-name)))
6038 (gnus-tmp-article-number (or gnus-current-article 0))
6039 (gnus-tmp-unread gnus-newsgroup-unreads)
6040 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
6041 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
6042 (gnus-tmp-unread-and-unselected
6043 (cond ((and (zerop gnus-tmp-unread-and-unticked)
6044 (zerop gnus-tmp-unselected))
6046 ((zerop gnus-tmp-unselected)
6047 (format "{%d more}" gnus-tmp-unread-and-unticked))
6048 (t (format "{%d(+%d) more}"
6049 gnus-tmp-unread-and-unticked
6050 gnus-tmp-unselected))))
6052 (if (and gnus-current-headers
6053 (vectorp gnus-current-headers))
6054 (gnus-mode-string-quote
6055 (mail-header-subject gnus-current-headers))
6057 bufname-length max-len
6058 gnus-tmp-header) ;; passed as argument to any user-format-funcs
6059 (setq mode-string (eval mformat))
6060 (setq bufname-length (if (string-match "%b" mode-string)
6063 (if (eq where 'summary)
6065 (get-buffer gnus-article-buffer))))
6068 (setq max-len (max 4 (if gnus-mode-non-string-length
6070 gnus-mode-non-string-length
6072 (length mode-string))))
6073 ;; We might have to chop a bit of the string off...
6074 (when (> (length mode-string) max-len)
6076 (concat (truncate-string-to-width mode-string (- max-len 3))
6078 ;; Update the mode line.
6079 (setq mode-line-buffer-identification
6080 (gnus-mode-line-buffer-identification (list mode-string)))
6081 (set-buffer-modified-p t))))
6083 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
6084 "Go through the HEADERS list and add all Xrefs to a hash table.
6085 The resulting hash table is returned, or nil if no Xrefs were found."
6086 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
6087 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
6088 (xref-hashtb (gnus-make-hashtable))
6089 start group entry number xrefs header)
6091 (setq header (pop headers))
6092 (when (and (setq xrefs (mail-header-xref header))
6093 (not (memq (setq number (mail-header-number header))
6096 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
6097 (setq start (match-end 0))
6098 (setq group (if prefix
6099 (concat prefix (substring xrefs (match-beginning 1)
6101 (substring xrefs (match-beginning 1) (match-end 1))))
6103 (string-to-number (substring xrefs (match-beginning 2)
6105 (if (setq entry (gnus-gethash group xref-hashtb))
6106 (setcdr entry (cons number (cdr entry)))
6107 (gnus-sethash group (cons number nil) xref-hashtb)))))
6108 (and start xref-hashtb)))
6110 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
6111 "Look through all the headers and mark the Xrefs as read."
6112 (let ((virtual (gnus-virtual-group-p from-newsgroup))
6113 name info xref-hashtb idlist method nth4)
6114 (with-current-buffer gnus-group-buffer
6115 (when (setq xref-hashtb
6116 (gnus-create-xref-hashtb from-newsgroup headers unreads))
6119 (unless (string= from-newsgroup (setq name (symbol-name group)))
6120 (setq idlist (symbol-value group))
6121 ;; Dead groups are not updated.
6123 (setq info (gnus-get-info name))
6124 (when (stringp (setq nth4 (gnus-info-method info)))
6125 (setq nth4 (gnus-server-to-method nth4))))
6126 ;; Only do the xrefs if the group has the same
6127 ;; select method as the group we have just read.
6128 (or (gnus-methods-equal-p
6129 nth4 (gnus-find-method-for-group from-newsgroup))
6131 (equal nth4 (setq method (gnus-find-method-for-group
6133 (and (equal (car nth4) (car method))
6134 (equal (nth 1 nth4) (nth 1 method))))
6135 gnus-use-cross-reference
6136 (or (not (eq gnus-use-cross-reference t))
6138 ;; Only do cross-references on subscribed
6139 ;; groups, if that is what is wanted.
6140 (<= (gnus-info-level info) gnus-level-subscribed))
6141 (gnus-group-make-articles-read name idlist))))
6144 (defun gnus-compute-read-articles (group articles)
6145 (let* ((entry (gnus-group-entry group))
6146 (info (nth 2 entry))
6147 (active (gnus-active group))
6150 ;; First peel off all invalid article numbers.
6152 (let ((ids articles)
6154 (while (setq id (pop ids))
6155 (when (and first (> id (cdr active)))
6156 ;; We'll end up in this situation in one particular
6157 ;; obscure situation. If you re-scan a group and get
6158 ;; a new article that is cross-posted to a different
6159 ;; group that has not been re-scanned, you might get
6160 ;; crossposted article that has a higher number than
6161 ;; Gnus believes possible. So we re-activate this
6162 ;; group as well. This might mean doing the
6163 ;; crossposting thingy will *increase* the number
6164 ;; of articles in some groups. Tsk, tsk.
6165 (setq active (or (gnus-activate-group group) active)))
6166 (when (or (> id (cdr active))
6167 (< id (car active)))
6168 (setq articles (delq id articles))))))
6169 ;; If the read list is nil, we init it.
6171 (null (gnus-info-read info))
6173 (setq ninfo (cons 1 (1- (car active))))
6174 (setq ninfo (gnus-info-read info)))
6175 ;; Then we add the read articles to the range.
6177 ninfo (setq articles (sort articles '<))))))
6179 (defun gnus-group-make-articles-read (group articles)
6180 "Update the info of GROUP to say that ARTICLES are read."
6182 (entry (gnus-group-entry group))
6183 (info (nth 2 entry))
6184 (active (gnus-active group))
6187 (setq range (gnus-compute-read-articles group articles))
6188 (with-current-buffer gnus-group-buffer
6191 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
6192 (gnus-info-set-read ',info ',(gnus-info-read info))
6193 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
6194 (gnus-request-set-mark ,group (list (list ',range 'del '(read))))
6195 (gnus-group-update-group ,group t))))
6196 ;; Add the read articles to the range.
6197 (gnus-info-set-read info range)
6198 (gnus-request-set-mark group (list (list range 'add '(read))))
6199 ;; Then we have to re-compute how many unread
6200 ;; articles there are in this group.
6204 (setq num (- (1+ (cdr active)) (car active))))
6205 ((not (listp (cdr range)))
6206 (setq num (- (cdr active) (- (1+ (cdr range))
6210 (if (numberp (car range))
6212 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
6213 (setq range (cdr range)))
6214 (setq num (- (cdr active) num))))
6215 ;; Update the number of unread articles.
6217 ;; Update the group buffer.
6218 (unless (gnus-ephemeral-group-p group)
6219 (gnus-group-update-group group t))))))
6221 (defvar gnus-newsgroup-none-id 0)
6223 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
6224 (let ((cur nntp-server-buffer)
6227 (with-current-buffer gnus-summary-buffer
6228 gnus-newsgroup-dependencies)))
6229 headers id end ref number
6230 (mail-parse-charset gnus-newsgroup-charset)
6231 (mail-parse-ignored-charsets
6232 (save-current-buffer (condition-case nil
6233 (set-buffer gnus-summary-buffer)
6235 gnus-newsgroup-ignored-charsets)))
6236 (with-current-buffer nntp-server-buffer
6237 ;; Translate all TAB characters into SPACE characters.
6238 (subst-char-in-region (point-min) (point-max) ?\t ? t)
6239 (subst-char-in-region (point-min) (point-max) ?\r ? t)
6240 (ietf-drums-unfold-fws)
6241 (gnus-run-hooks 'gnus-parse-headers-hook)
6242 (let ((case-fold-search t)
6243 in-reply-to header p lines chars)
6244 (goto-char (point-min))
6245 ;; Search to the beginning of the next header. Error messages
6246 ;; do not begin with 2 or 3.
6247 (while (re-search-forward "^[23][0-9]+ " nil t)
6250 ;; This implementation of this function, with nine
6251 ;; search-forwards instead of the one re-search-forward and
6252 ;; a case (which basically was the old function) is actually
6253 ;; about twice as fast, even though it looks messier. You
6254 ;; can't have everything, I guess. Speed and elegance
6255 ;; doesn't always go hand in hand.
6261 (setq number (read cur))
6264 (narrow-to-region (point)
6265 (or (and (search-forward "\n.\n" nil t)
6271 (if (search-forward "\nsubject:" nil t)
6272 (funcall gnus-decode-encoded-word-function
6273 (nnheader-header-value))
6278 (if (search-forward "\nfrom:" nil t)
6279 (funcall gnus-decode-encoded-address-function
6280 (nnheader-header-value))
6285 (if (search-forward "\ndate:" nil t)
6286 (nnheader-header-value) ""))
6290 (setq id (if (re-search-forward
6291 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
6292 ;; We do it this way to make sure the Message-ID
6293 ;; is (somewhat) syntactically valid.
6294 (buffer-substring (match-beginning 1)
6296 ;; If there was no message-id, we just fake one
6297 ;; to make subsequent routines simpler.
6298 (nnheader-generate-fake-message-id number))))
6302 (if (search-forward "\nreferences:" nil t)
6306 (nnheader-header-value)
6311 (search-backward ">" end t)
6314 (search-backward "<" end t)
6316 ;; Get the references from the in-reply-to header if there
6317 ;; were no references and the in-reply-to header looks
6319 (if (and (search-forward "\nin-reply-to:" nil t)
6320 (setq in-reply-to (nnheader-header-value))
6321 (string-match "<[^>]+>" in-reply-to))
6323 (setq ref (substring in-reply-to (match-beginning 0)
6325 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
6326 (setq ref2 (substring in-reply-to (match-beginning 0)
6328 (when (> (length ref2) (length ref))
6335 (if (search-forward "\nchars: " nil t)
6336 (if (numberp (setq chars (ignore-errors (read cur))))
6342 (if (search-forward "\nlines: " nil t)
6343 (if (numberp (setq lines (ignore-errors (read cur))))
6349 (and (search-forward "\nxref:" nil t)
6350 (nnheader-header-value)))
6352 (when gnus-extra-headers
6353 (let ((extra gnus-extra-headers)
6357 (when (search-forward
6358 (concat "\n" (symbol-name (car extra)) ":") nil t)
6359 (push (cons (car extra) (nnheader-header-value))
6363 (when (equal id ref)
6366 (when gnus-alter-header-function
6367 (funcall gnus-alter-header-function header)
6368 (setq id (mail-header-id header)
6369 ref (gnus-parent-id (mail-header-references header))))
6372 (gnus-dependencies-add-header
6373 header dependencies force-new))
6374 (push header headers))
6375 (goto-char (point-max))
6377 (nreverse headers)))))
6379 ;; Goes through the xover lines and returns a list of vectors
6380 (defun gnus-get-newsgroup-headers-xover (sequence &optional
6381 force-new dependencies
6382 group also-fetch-heads)
6383 "Parse the news overview data in the server buffer.
6384 Return a list of headers that match SEQUENCE (see
6385 `nntp-retrieve-headers')."
6386 ;; Get the Xref when the users reads the articles since most/some
6387 ;; NNTP servers do not include Xrefs when using XOVER.
6388 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
6389 (let ((mail-parse-charset gnus-newsgroup-charset)
6390 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
6391 (cur nntp-server-buffer)
6392 (dependencies (or dependencies gnus-newsgroup-dependencies))
6394 ((eq gnus-read-all-available-headers t)
6396 ((and (stringp gnus-read-all-available-headers)
6398 (string-match gnus-read-all-available-headers group))
6401 number headers header)
6402 (with-current-buffer nntp-server-buffer
6403 (subst-char-in-region (point-min) (point-max) ?\r ? t)
6404 ;; Allow the user to mangle the headers before parsing them.
6405 (gnus-run-hooks 'gnus-parse-headers-hook)
6406 (goto-char (point-min))
6407 (gnus-parse-without-error
6408 (while (and (or sequence allp)
6410 (setq number (read cur))
6412 (while (and sequence
6413 (< (car sequence) number))
6414 (setq sequence (cdr sequence))))
6417 (eq number (car sequence))))
6419 (setq sequence (cdr sequence))
6420 (setq header (inline
6421 (gnus-nov-parse-line
6422 number dependencies force-new)))))
6423 (push header headers))
6425 ;; A common bug in inn is that if you have posted an article and
6426 ;; then retrieves the active file, it will answer correctly --
6427 ;; the new article is included. However, a NOV entry for the
6428 ;; article may not have been generated yet, so this may fail.
6429 ;; We work around this problem by retrieving the last few
6430 ;; headers using HEAD.
6431 (if (or (not also-fetch-heads)
6433 ;; We (probably) got all the headers.
6435 (let ((gnus-nov-is-evil t))
6438 (when (eq (gnus-retrieve-headers sequence group) 'headers)
6439 (gnus-get-newsgroup-headers))))))))
6441 (defun gnus-article-get-xrefs ()
6442 "Fill in the Xref value in `gnus-current-headers', if necessary.
6443 This is meant to be called in `gnus-article-internal-prepare-hook'."
6444 (let ((headers (with-current-buffer gnus-summary-buffer
6445 gnus-current-headers)))
6446 (or (not gnus-use-cross-reference)
6448 (and (mail-header-xref headers)
6449 (not (string= (mail-header-xref headers) "")))
6450 (let ((case-fold-search t)
6453 (nnheader-narrow-to-headers)
6454 (goto-char (point-min))
6455 (when (or (and (not (eobp))
6456 (eq (downcase (char-after)) ?x)
6457 (looking-at "Xref:"))
6458 (search-forward "\nXref:" nil t))
6459 (goto-char (1+ (match-end 0)))
6460 (setq xref (buffer-substring (point) (point-at-eol)))
6461 (mail-header-set-xref headers xref)))))))
6463 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
6464 "Find article ID and insert the summary line for that article.
6465 OLD-HEADER can either be a header or a line number to insert
6466 the subject line on."
6467 (let* ((line (and (numberp old-header) old-header))
6468 (old-header (and (vectorp old-header) old-header))
6469 (header (cond ((and old-header use-old-header)
6472 (gnus-number-to-header id))
6473 (gnus-number-to-header id))
6475 (gnus-read-header id))))
6476 (number (and (numberp id) id))
6479 ;; Rebuild the thread that this article is part of and go to the
6480 ;; article we have fetched.
6481 (when (and (not gnus-show-threads)
6484 (setq d (gnus-data-find (mail-header-number old-header))))
6485 (goto-char (gnus-data-pos d))
6491 (gnus-delete-line))))))
6492 ;; Remove list identifiers from subject.
6493 (when gnus-list-identifiers
6494 (let ((gnus-newsgroup-headers (list header)))
6495 (gnus-summary-remove-list-identifiers)))
6497 (mail-header-set-number header (mail-header-number old-header)))
6498 (setq gnus-newsgroup-sparse
6499 (delq (setq number (mail-header-number header))
6500 gnus-newsgroup-sparse))
6501 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
6502 (push number gnus-newsgroup-limit)
6503 (gnus-rebuild-thread (mail-header-id header) line)
6504 (gnus-summary-goto-subject number nil t))
6505 (when (and (numberp number)
6507 ;; We have to update the boundaries even if we can't fetch the
6508 ;; article if ID is a number -- so that the next `P' or `N'
6509 ;; command will fetch the previous (or next) article even
6510 ;; if the one we tried to fetch this time has been canceled.
6511 (when (> number gnus-newsgroup-end)
6512 (setq gnus-newsgroup-end number))
6513 (when (< number gnus-newsgroup-begin)
6514 (setq gnus-newsgroup-begin number))
6515 (setq gnus-newsgroup-unselected
6516 (delq number gnus-newsgroup-unselected)))
6517 ;; Report back a success?
6518 (and header (mail-header-number header))))
6520 ;;; Process/prefix in the summary buffer
6522 (defun gnus-summary-work-articles (n)
6523 "Return a list of articles to be worked upon.
6524 The prefix argument, the list of process marked articles, and the
6525 current article will be taken into consideration."
6526 (with-current-buffer gnus-summary-buffer
6529 ;; A numerical prefix has been given.
6530 (setq n (prefix-numeric-value n))
6531 (let ((backward (< n 0))
6532 (n (abs (prefix-numeric-value n)))
6537 (push (setq article (gnus-summary-article-number))
6540 (gnus-summary-find-prev nil article)
6541 (gnus-summary-find-next nil article)))
6543 (nreverse articles)))
6544 ((and (gnus-region-active-p) (mark))
6545 (message "region active")
6546 ;; Work on the region between point and mark.
6547 (let ((max (max (point) (mark)))
6550 (goto-char (min (point) (mark)))
6553 (push (setq article (gnus-summary-article-number)) articles)
6554 (gnus-summary-find-next nil article)
6556 (nreverse articles))))
6557 (gnus-newsgroup-processable
6558 ;; There are process-marked articles present.
6559 ;; Save current state.
6560 (gnus-summary-save-process-mark)
6562 (reverse gnus-newsgroup-processable))
6564 ;; Just return the current article.
6565 (list (gnus-summary-article-number))))))
6567 (defmacro gnus-summary-iterate (arg &rest forms)
6568 "Iterate over the process/prefixed articles and do FORMS.
6569 ARG is the interactive prefix given to the command. FORMS will be
6570 executed with point over the summary line of the articles."
6571 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
6572 `(let ((,articles (gnus-summary-work-articles ,arg)))
6574 (gnus-summary-goto-subject (car ,articles))
6578 (put 'gnus-summary-iterate 'lisp-indent-function 1)
6579 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
6581 (defun gnus-summary-save-process-mark ()
6582 "Push the current set of process marked articles on the stack."
6584 (push (copy-sequence gnus-newsgroup-processable)
6585 gnus-newsgroup-process-stack))
6587 (defun gnus-summary-kill-process-mark ()
6588 "Push the current set of process marked articles on the stack and unmark."
6590 (gnus-summary-save-process-mark)
6591 (gnus-summary-unmark-all-processable))
6593 (defun gnus-summary-yank-process-mark ()
6594 "Pop the last process mark state off the stack and restore it."
6596 (unless gnus-newsgroup-process-stack
6597 (error "Empty mark stack"))
6598 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
6600 (defun gnus-summary-process-mark-set (set)
6601 "Make SET into the current process marked articles."
6602 (gnus-summary-unmark-all-processable)
6603 (mapc 'gnus-summary-set-process-mark set))
6605 ;;; Searching and stuff
6607 (defun gnus-summary-search-group (&optional backward use-level)
6608 "Search for next unread newsgroup.
6609 If optional argument BACKWARD is non-nil, search backward instead."
6610 (with-current-buffer gnus-group-buffer
6611 (when (gnus-group-search-forward
6612 backward nil (if use-level (gnus-group-group-level) nil))
6613 (gnus-group-group-name))))
6615 (defun gnus-summary-best-group (&optional exclude-group)
6616 "Find the name of the best unread group.
6617 If EXCLUDE-GROUP, do not go to this group."
6618 (with-current-buffer gnus-group-buffer
6620 (gnus-group-best-unread-group exclude-group))))
6622 (defun gnus-summary-find-next (&optional unread article backward)
6624 (gnus-summary-find-prev unread article)
6625 (let* ((dummy (gnus-summary-article-intangible-p))
6626 (article (or article (gnus-summary-article-number)))
6627 (data (gnus-data-find-list article))
6629 (when (and (not dummy)
6630 (or (not gnus-summary-check-current)
6632 (not (gnus-data-unread-p (car data)))))
6633 (setq data (cdr data)))
6638 (unless (memq (gnus-data-number (car data))
6640 ((eq gnus-auto-goto-ignores
6641 'always-undownloaded)
6642 gnus-newsgroup-undownloaded)
6645 ((eq gnus-auto-goto-ignores
6647 gnus-newsgroup-unfetched)
6648 ((eq gnus-auto-goto-ignores
6650 gnus-newsgroup-undownloaded)))
6651 (when (gnus-data-unread-p (car data))
6652 (setq result (car data)
6654 (setq data (cdr data)))
6657 (goto-char (gnus-data-pos result))
6658 (gnus-data-number result)))))
6660 (defun gnus-summary-find-prev (&optional unread article)
6661 (let* ((eobp (eobp))
6662 (article (or article (gnus-summary-article-number)))
6663 (data (gnus-data-find-list article (gnus-data-list 'rev)))
6665 (when (and (not eobp)
6666 (or (not gnus-summary-check-current)
6668 (not (gnus-data-unread-p (car data)))))
6669 (setq data (cdr data)))
6674 (unless (memq (gnus-data-number (car data))
6676 ((eq gnus-auto-goto-ignores
6677 'always-undownloaded)
6678 gnus-newsgroup-undownloaded)
6681 ((eq gnus-auto-goto-ignores
6683 gnus-newsgroup-unfetched)
6684 ((eq gnus-auto-goto-ignores
6686 gnus-newsgroup-undownloaded)))
6687 (when (gnus-data-unread-p (car data))
6688 (setq result (car data)
6690 (setq data (cdr data)))
6693 (goto-char (gnus-data-pos result))
6694 (gnus-data-number result))))
6696 (defun gnus-summary-find-subject (subject &optional unread backward article)
6697 (let* ((simp-subject (gnus-simplify-subject-fully subject))
6698 (article (or article (gnus-summary-article-number)))
6699 (articles (gnus-data-list backward))
6700 (arts (gnus-data-find-list article articles))
6702 (when (or (not gnus-summary-check-current)
6704 (not (gnus-data-unread-p (car arts))))
6705 (setq arts (cdr arts)))
6707 (and (or (not unread)
6708 (gnus-data-unread-p (car arts)))
6709 (vectorp (gnus-data-header (car arts)))
6711 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
6712 (setq result (car arts)
6714 (setq arts (cdr arts)))
6716 (goto-char (gnus-data-pos result))
6717 (gnus-data-number result))))
6719 (defun gnus-summary-search-forward (&optional unread subject backward)
6720 "Search forward for an article.
6721 If UNREAD, look for unread articles. If SUBJECT, look for
6722 articles with that subject. If BACKWARD, search backward instead."
6723 (cond (subject (gnus-summary-find-subject subject unread backward))
6724 (backward (gnus-summary-find-prev unread))
6725 (t (gnus-summary-find-next unread))))
6727 (defun gnus-recenter (&optional n)
6728 "Center point in window and redisplay frame.
6729 Also do horizontal recentering."
6731 (when (and gnus-auto-center-summary
6732 (not (eq gnus-auto-center-summary 'vertical)))
6733 (gnus-horizontal-recenter))
6734 (if (fboundp 'recenter-top-bottom)
6735 (recenter-top-bottom n)
6738 (put 'gnus-recenter 'isearch-scroll t)
6740 (defun gnus-forward-line-ignore-invisible (n)
6741 "Move N lines forward (backward if N is negative).
6742 Like forward-line, but skip over (and don't count) invisible lines."
6744 (while (and (> n 0) (not done))
6745 ;; If the following character is currently invisible,
6746 ;; skip all characters with that same `invisible' property value.
6747 (while (gnus-invisible-p (point))
6748 (goto-char (gnus-next-char-property-change (point))))
6753 (while (and (< n 0) (not done))
6755 (if (bobp) (setq done t)
6757 (while (and (not (bobp)) (gnus-invisible-p (1- (point))))
6758 (goto-char (gnus-previous-char-property-change (point))))))))
6760 (defun gnus-summary-recenter ()
6761 "Center point in the summary window.
6762 If `gnus-auto-center-summary' is nil, or the article buffer isn't
6763 displayed, no centering will be performed."
6764 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
6765 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
6767 ;; The user has to want it.
6768 (when gnus-auto-center-summary
6769 (let* ((top (cond ((< (window-height) 4) 0)
6770 ((< (window-height) 7) 1)
6771 (t (if (numberp gnus-auto-center-summary)
6772 gnus-auto-center-summary
6773 (/ (1- (window-height)) 2)))))
6774 (height (1- (window-height)))
6775 (bottom (save-excursion
6776 (goto-char (point-max))
6777 (gnus-forward-line-ignore-invisible (- height))
6779 (window (get-buffer-window (current-buffer))))
6780 (when (get-buffer-window gnus-article-buffer)
6781 ;; Only do recentering when the article buffer is displayed,
6782 ;; Set the window start to either `bottom', which is the biggest
6783 ;; possible valid number, or the second line from the top,
6784 ;; whichever is the least.
6785 (let ((top-pos (save-excursion
6786 (gnus-forward-line-ignore-invisible (- top))
6788 (if (> bottom top-pos)
6789 ;; Keep the second line from the top visible
6790 (set-window-start window top-pos)
6791 ;; Try to keep the bottom line visible; if it's partially
6792 ;; obscured, either scroll one more line to make it fully
6793 ;; visible, or revert to using TOP-POS.
6795 (goto-char (point-max))
6796 (gnus-forward-line-ignore-invisible -1)
6797 (let ((last-line-start (point)))
6799 (set-window-start window (point) t)
6800 (when (not (pos-visible-in-window-p last-line-start window))
6801 (gnus-forward-line-ignore-invisible 1)
6802 (set-window-start window (min (point) top-pos) t)))))))
6803 ;; Do horizontal recentering while we're at it.
6804 (when (and (get-buffer-window (current-buffer) t)
6805 (not (eq gnus-auto-center-summary 'vertical)))
6806 (let ((selected (selected-window)))
6807 (select-window (get-buffer-window (current-buffer) t))
6808 (gnus-summary-position-point)
6809 (gnus-horizontal-recenter)
6810 (select-window selected))))))
6812 (defun gnus-summary-jump-to-group (newsgroup)
6813 "Move point to NEWSGROUP in group mode buffer."
6814 ;; Keep update point of group mode buffer if visible.
6815 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
6816 (save-window-excursion
6817 ;; Take care of tree window mode.
6818 (when (get-buffer-window gnus-group-buffer)
6819 (pop-to-buffer gnus-group-buffer))
6820 (gnus-group-jump-to-group newsgroup))
6822 ;; Take care of tree window mode.
6823 (if (get-buffer-window gnus-group-buffer 0)
6824 (pop-to-buffer gnus-group-buffer)
6825 (set-buffer gnus-group-buffer))
6826 (gnus-group-jump-to-group newsgroup))))
6828 ;; This function returns a list of article numbers based on the
6829 ;; difference between the ranges of read articles in this group and
6830 ;; the range of active articles.
6831 (defun gnus-list-of-unread-articles (group)
6832 (let* ((read (gnus-info-read (gnus-get-info group)))
6833 (active (or (gnus-active group) (gnus-activate-group group)))
6834 (last (or (cdr active)
6835 (error "Group %s couldn't be activated " group)))
6836 (bottom (if gnus-newsgroup-maximum-articles
6838 (- last gnus-newsgroup-maximum-articles -1))
6841 ;; If none are read, then all are unread.
6844 ;; If the range of read articles is a single range, then the
6845 ;; first unread article is the article after the last read
6846 ;; article. Sounds logical, doesn't it?
6847 (if (and (not (listp (cdr read)))
6848 (or (< (car read) bottom)
6849 (progn (setq read (list read))
6851 (setq first (max bottom (1+ (cdr read))))
6852 ;; `read' is a list of ranges.
6853 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6856 (setq first bottom))
6859 (while (< first nlast)
6860 (setq unread (cons first unread)
6862 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6863 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6864 (setq read (cdr read)))))
6865 ;; And add the last unread articles.
6866 (while (<= first last)
6867 (setq unread (cons first unread)
6869 ;; Return the list of unread articles.
6870 (delq 0 (nreverse unread))))
6872 (defun gnus-list-of-read-articles (group)
6873 "Return a list of unread, unticked and non-dormant articles."
6874 (let* ((info (gnus-get-info group))
6875 (marked (gnus-info-marks info))
6876 (active (gnus-active group)))
6878 (gnus-list-range-difference
6879 (gnus-list-range-difference
6880 (gnus-sorted-complement
6881 (gnus-uncompress-range
6882 (if gnus-newsgroup-maximum-articles
6883 (cons (max (car active)
6885 gnus-newsgroup-maximum-articles
6889 (gnus-list-of-unread-articles group))
6890 (cdr (assq 'dormant marked)))
6891 (cdr (assq 'tick marked))))))
6893 ;; This function returns a sequence of article numbers based on the
6894 ;; difference between the ranges of read articles in this group and
6895 ;; the range of active articles.
6896 (defun gnus-sequence-of-unread-articles (group)
6897 (let* ((read (gnus-info-read (gnus-get-info group)))
6898 (active (or (gnus-active group) (gnus-activate-group group)))
6900 (bottom (if gnus-newsgroup-maximum-articles
6902 (- last gnus-newsgroup-maximum-articles -1))
6905 ;; If none are read, then all are unread.
6908 ;; If the range of read articles is a single range, then the
6909 ;; first unread article is the article after the last read
6910 ;; article. Sounds logical, doesn't it?
6911 (if (and (not (listp (cdr read)))
6912 (or (< (car read) bottom)
6913 (progn (setq read (list read))
6915 (setq first (max bottom (1+ (cdr read))))
6916 ;; `read' is a list of ranges.
6917 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6920 (setq first bottom))
6923 (push (cons first nlast) unread))
6924 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6925 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6926 (setq read (cdr read)))))
6927 ;; And add the last unread articles.
6928 (cond ((not (and first last))
6931 (push (cons first last) unread))
6933 (push first unread)))
6934 ;; Return the sequence of unread articles.
6935 (delq 0 (nreverse unread))))
6937 ;; Various summary commands
6939 (defun gnus-summary-select-article-buffer ()
6940 "Reconfigure windows to show article buffer."
6942 (if (not (gnus-buffer-live-p gnus-article-buffer))
6943 (error "There is no article buffer for this summary buffer")
6944 (gnus-configure-windows 'article)
6945 (select-window (get-buffer-window gnus-article-buffer))))
6947 (defun gnus-summary-universal-argument (arg)
6948 "Perform any operation on all articles that are process/prefixed."
6950 (let ((articles (gnus-summary-work-articles arg))
6957 (substitute-command-keys
6958 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
6960 (gnus-error 1 "Undefined key")
6963 (gnus-summary-goto-subject (setq article (pop articles)))
6964 (let (gnus-newsgroup-processable)
6965 (command-execute func))
6966 (gnus-summary-remove-process-mark article)))))
6967 (gnus-summary-position-point))
6969 (defun gnus-summary-toggle-truncation (&optional arg)
6970 "Toggle truncation of summary lines.
6971 With ARG, turn line truncation on if ARG is positive."
6973 (setq truncate-lines
6974 (if (null arg) (not truncate-lines)
6975 (> (prefix-numeric-value arg) 0)))
6978 (defun gnus-summary-find-for-reselect ()
6979 "Return the number of an article to stay on across a reselect.
6980 The current article is considered, then following articles, then previous
6981 articles. An article is sought which is not cancelled and isn't a temporary
6982 insertion from another group. If there's no such then return a dummy 0."
6984 (dolist (rev '(nil t))
6985 (unless found ; don't demand the reverse list if we don't need it
6986 (let ((data (gnus-data-find-list
6987 (gnus-summary-article-number) (gnus-data-list rev))))
6988 (while (and data (not found))
6989 (if (and (< 0 (gnus-data-number (car data)))
6990 (not (eq gnus-canceled-mark (gnus-data-mark (car data)))))
6991 (setq found (gnus-data-number (car data))))
6992 (setq data (cdr data))))))
6995 (defun gnus-summary-reselect-current-group (&optional all rescan)
6996 "Exit and then reselect the current newsgroup.
6997 The prefix argument ALL means to select all articles."
6999 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
7000 (error "Ephemeral groups can't be reselected"))
7001 (let ((current-subject (gnus-summary-find-for-reselect))
7002 (group gnus-newsgroup-name))
7003 (setq gnus-newsgroup-begin nil)
7004 (gnus-summary-exit nil 'leave-hidden)
7005 ;; We have to adjust the point of group mode buffer because
7006 ;; point was moved to the next unread newsgroup by exiting.
7007 (gnus-summary-jump-to-group group)
7010 (gnus-group-get-new-news-this-group 1)))
7011 (gnus-group-read-group all t)
7012 (gnus-summary-goto-subject current-subject nil t)))
7014 (defun gnus-summary-rescan-group (&optional all)
7015 "Exit the newsgroup, ask for new articles, and select the newsgroup."
7017 (gnus-summary-reselect-current-group all t))
7019 (defun gnus-summary-update-info (&optional non-destructive)
7021 (let ((group gnus-newsgroup-name))
7023 (when gnus-newsgroup-kill-headers
7024 (setq gnus-newsgroup-killed
7025 (gnus-compress-sequence
7027 (gnus-list-range-intersection
7028 gnus-newsgroup-unselected gnus-newsgroup-killed)
7029 gnus-newsgroup-unreads)
7031 (unless (listp (cdr gnus-newsgroup-killed))
7032 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
7033 (let ((headers gnus-newsgroup-headers))
7034 ;; Set the new ranges of read articles.
7035 (with-current-buffer gnus-group-buffer
7036 (gnus-undo-force-boundary))
7037 (gnus-update-read-articles
7038 group (gnus-sorted-union
7039 gnus-newsgroup-unreads gnus-newsgroup-unselected))
7040 ;; Set the current article marks.
7041 (let ((gnus-newsgroup-scored
7042 (if (and (not gnus-save-score)
7043 (not non-destructive))
7045 gnus-newsgroup-scored)))
7047 (gnus-update-marks)))
7048 ;; Do the cross-ref thing.
7049 (when gnus-use-cross-reference
7050 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
7051 ;; Do not switch windows but change the buffer to work.
7052 (set-buffer gnus-group-buffer)
7053 (unless (gnus-ephemeral-group-p group)
7054 (gnus-group-update-group group)))))))
7056 (defun gnus-summary-save-newsrc (&optional force)
7057 "Save the current number of read/marked articles in the dribble buffer.
7058 The dribble buffer will then be saved.
7059 If FORCE (the prefix), also save the .newsrc file(s)."
7061 (gnus-summary-update-info t)
7063 (gnus-save-newsrc-file)
7064 (gnus-dribble-save)))
7066 (declare-function gnus-cache-write-active "gnus-cache" (&optional force))
7068 (defun gnus-summary-exit (&optional temporary leave-hidden)
7069 "Exit reading current newsgroup, and then return to group selection mode.
7070 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
7072 (gnus-set-global-variables)
7073 (when (gnus-buffer-live-p gnus-article-buffer)
7074 (with-current-buffer gnus-article-buffer
7075 (mm-destroy-parts gnus-article-mime-handles)
7076 ;; Set it to nil for safety reason.
7077 (setq gnus-article-mime-handle-alist nil)
7078 (setq gnus-article-mime-handles nil)))
7079 (gnus-kill-save-kill-buffer)
7080 (gnus-async-halt-prefetch)
7081 (let* ((group gnus-newsgroup-name)
7082 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
7083 (gnus-group-is-exiting-p t)
7086 (buf (current-buffer)))
7088 ;; Do adaptive scoring, and possibly save score files.
7089 (when gnus-newsgroup-adaptive
7090 (gnus-score-adaptive))
7091 (when gnus-use-scoring
7093 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
7094 ;; If we have several article buffers, we kill them at exit.
7095 (unless gnus-single-article-buffer
7096 (when (gnus-buffer-live-p gnus-article-buffer)
7097 (with-current-buffer gnus-article-buffer
7098 ;; Don't kill sticky article buffers
7099 (unless (eq major-mode 'gnus-sticky-article-mode)
7100 (gnus-kill-buffer gnus-article-buffer)
7101 (setq gnus-article-current nil))))
7102 (gnus-kill-buffer gnus-original-article-buffer))
7103 (when gnus-use-cache
7104 (gnus-cache-possibly-remove-articles)
7105 (gnus-cache-save-buffers))
7106 (gnus-async-prefetch-remove-group group)
7107 (when gnus-suppress-duplicates
7108 (gnus-dup-enter-articles))
7109 (when gnus-use-trees
7110 (gnus-tree-close group))
7111 (when gnus-use-cache
7112 (gnus-cache-write-active))
7113 ;; Remove entries for this group.
7114 (nnmail-purge-split-history (gnus-group-real-name group))
7115 ;; Make all changes in this group permanent.
7117 (gnus-run-hooks 'gnus-exit-group-hook)
7118 (gnus-summary-update-info))
7119 (gnus-close-group group)
7120 ;; Make sure where we were, and go to next newsgroup.
7121 (set-buffer gnus-group-buffer)
7123 (gnus-group-jump-to-group group))
7124 (gnus-run-hooks 'gnus-summary-exit-hook)
7125 (unless (or quit-config
7126 (not gnus-summary-next-group-on-exit)
7127 ;; If this group has disappeared from the summary
7128 ;; buffer, don't skip forwards.
7129 (not (string= group (gnus-group-group-name))))
7130 (gnus-group-next-unread-group 1))
7131 (setq group-point (point))
7135 (if (not gnus-kill-summary-on-exit)
7137 (gnus-deaden-summary)
7139 ;; We set all buffer-local variables to nil. It is unclear why
7140 ;; this is needed, but if we don't, buffer-local variables are
7141 ;; not garbage-collected, it seems. This would the lead to en
7142 ;; ever-growing Emacs.
7143 (gnus-summary-clear-local-variables)
7144 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
7145 (gnus-summary-clear-local-variables))
7146 (when (get-buffer gnus-article-buffer)
7147 (bury-buffer gnus-article-buffer))
7148 ;; Return to group mode buffer.
7149 (when (eq mode 'gnus-summary-mode)
7150 (gnus-kill-buffer buf)))
7151 (setq gnus-current-select-method gnus-select-method)
7152 (set-buffer gnus-group-buffer)
7154 (gnus-handle-ephemeral-exit quit-config)
7155 (goto-char group-point)
7156 ;; If gnus-group-buffer is already displayed, make sure we also move
7157 ;; the cursor in the window that displays it.
7158 (let ((win (get-buffer-window (current-buffer) 0)))
7159 (if win (set-window-point win (point))))
7160 (unless leave-hidden
7161 (gnus-configure-windows 'group 'force)))
7162 ;; Clear the current group name.
7164 (setq gnus-newsgroup-name nil)))))
7166 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
7167 (defun gnus-summary-exit-no-update (&optional no-questions)
7168 "Quit reading current newsgroup without updating read article info."
7170 (let* ((group gnus-newsgroup-name)
7171 (gnus-group-is-exiting-p t)
7172 (gnus-group-is-exiting-without-update-p t)
7173 (quit-config (gnus-group-quit-config group)))
7174 (when (or no-questions
7176 (gnus-y-or-n-p "Discard changes to this group and exit? "))
7177 (gnus-async-halt-prefetch)
7178 (run-hooks 'gnus-summary-prepare-exit-hook)
7179 (when (gnus-buffer-live-p gnus-article-buffer)
7180 (with-current-buffer gnus-article-buffer
7181 (mm-destroy-parts gnus-article-mime-handles)
7182 ;; Set it to nil for safety reason.
7183 (setq gnus-article-mime-handle-alist nil)
7184 (setq gnus-article-mime-handles nil)))
7185 ;; If we have several article buffers, we kill them at exit.
7186 (unless gnus-single-article-buffer
7187 (gnus-kill-buffer gnus-article-buffer)
7188 (gnus-kill-buffer gnus-original-article-buffer)
7189 (setq gnus-article-current nil))
7190 (if (not gnus-kill-summary-on-exit)
7191 (gnus-deaden-summary)
7192 (gnus-close-group group)
7193 (gnus-summary-clear-local-variables)
7194 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
7195 (gnus-summary-clear-local-variables))
7196 (gnus-kill-buffer gnus-summary-buffer))
7197 (unless gnus-single-article-buffer
7198 (setq gnus-article-current nil))
7199 (when gnus-use-trees
7200 (gnus-tree-close group))
7201 (gnus-async-prefetch-remove-group group)
7202 (when (get-buffer gnus-article-buffer)
7203 (bury-buffer gnus-article-buffer))
7204 ;; Return to the group buffer.
7205 (gnus-configure-windows 'group 'force)
7206 ;; Clear the current group name.
7207 (setq gnus-newsgroup-name nil)
7208 (unless (gnus-ephemeral-group-p group)
7209 (gnus-group-update-group group))
7210 (when (equal (gnus-group-group-name) group)
7211 (gnus-group-next-unread-group 1))
7213 (gnus-handle-ephemeral-exit quit-config)))))
7215 (defun gnus-handle-ephemeral-exit (quit-config)
7216 "Handle movement when leaving an ephemeral group.
7217 The state which existed when entering the ephemeral is reset."
7218 (if (not (buffer-name (car quit-config)))
7219 (gnus-configure-windows 'group 'force)
7220 (set-buffer (car quit-config))
7221 (cond ((eq major-mode 'gnus-summary-mode)
7222 (gnus-set-global-variables))
7223 ((eq major-mode 'gnus-article-mode)
7224 (save-current-buffer
7225 ;; The `gnus-summary-buffer' variable may point
7226 ;; to the old summary buffer when using a single
7228 (unless (gnus-buffer-live-p gnus-summary-buffer)
7229 (set-buffer gnus-group-buffer))
7230 (set-buffer gnus-summary-buffer)
7231 (gnus-set-global-variables))))
7232 (if (or (eq (cdr quit-config) 'article)
7233 (eq (cdr quit-config) 'pick))
7234 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
7235 (gnus-configure-windows 'pick 'force)
7236 (gnus-configure-windows (cdr quit-config) 'force))
7237 (gnus-configure-windows (cdr quit-config) 'force))
7238 (when (eq major-mode 'gnus-summary-mode)
7239 (if (memq gnus-auto-select-on-ephemeral-exit '(next-noselect
7240 next-unread-noselect))
7241 (when (zerop (cond ((eq gnus-auto-select-on-ephemeral-exit
7243 (gnus-summary-next-subject 1 nil t))
7244 ((eq gnus-auto-select-on-ephemeral-exit
7245 'next-unread-noselect)
7246 (gnus-summary-next-subject 1 t t))))
7247 ;; Hide the article buffer which displays the article different
7248 ;; from the one that the cursor points to in the summary buffer.
7249 (gnus-configure-windows 'summary 'force))
7250 (cond ((eq gnus-auto-select-on-ephemeral-exit 'next)
7251 (gnus-summary-next-subject 1))
7252 ((eq gnus-auto-select-on-ephemeral-exit 'next-unread)
7253 (gnus-summary-next-subject 1 t))))
7254 (gnus-summary-recenter)
7255 (gnus-summary-position-point))))
7259 (defvar gnus-dead-summary-mode-map
7260 (let ((map (make-keymap)))
7261 (suppress-keymap map)
7262 (substitute-key-definition 'undefined 'gnus-summary-wake-up-the-dead map)
7263 (dolist (key '("\C-d" "\r" "\177" [delete]))
7264 (define-key map key 'gnus-summary-wake-up-the-dead))
7265 (dolist (key '("q" "Q"))
7266 (define-key map key 'bury-buffer))
7269 (define-minor-mode gnus-dead-summary-mode
7270 "Minor mode for Gnus summary buffers."
7271 :lighter " Dead" :keymap gnus-dead-summary-mode-map
7272 (unless (derived-mode-p 'gnus-summary-mode)
7273 (setq gnus-dead-summary-mode nil)))
7275 (defun gnus-deaden-summary ()
7276 "Make the current summary buffer into a dead summary buffer."
7277 ;; Kill any previous dead summary buffer.
7278 (when (and gnus-dead-summary
7279 (buffer-name gnus-dead-summary))
7280 (with-current-buffer gnus-dead-summary
7281 (when gnus-dead-summary-mode
7282 (kill-buffer (current-buffer)))))
7283 ;; Make this the current dead summary.
7284 (setq gnus-dead-summary (current-buffer))
7285 (gnus-dead-summary-mode 1)
7286 (let ((name (buffer-name)))
7287 (when (string-match "Summary" name)
7289 (concat (substring name 0 (match-beginning 0)) "Dead "
7290 (substring name (match-beginning 0)))
7294 (defun gnus-kill-or-deaden-summary (buffer)
7295 "Kill or deaden the summary BUFFER."
7297 (when (and (buffer-name buffer)
7298 (not gnus-single-article-buffer))
7299 (with-current-buffer buffer
7300 (gnus-kill-buffer gnus-article-buffer)
7301 (gnus-kill-buffer gnus-original-article-buffer)))
7304 (gnus-kill-summary-on-exit
7305 (when (and gnus-use-trees
7306 (gnus-buffer-exists-p buffer))
7307 (with-current-buffer buffer
7308 (gnus-tree-close gnus-newsgroup-name)))
7309 (gnus-kill-buffer buffer))
7310 ;; Deaden the buffer.
7311 ((gnus-buffer-exists-p buffer)
7312 (with-current-buffer buffer
7313 (gnus-deaden-summary))))))
7315 (defun gnus-summary-wake-up-the-dead (&rest args)
7316 "Wake up the dead summary buffer."
7318 (gnus-dead-summary-mode -1)
7319 (let ((name (buffer-name)))
7320 (when (string-match "Dead " name)
7322 (concat (substring name 0 (match-beginning 0))
7323 (substring name (match-end 0)))
7325 (gnus-message 3 "This dead summary is now alive again"))
7327 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
7328 (defun gnus-summary-fetch-faq (&optional faq-dir)
7329 "Fetch the FAQ for the current group.
7330 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
7334 (when current-prefix-arg
7336 "FAQ dir: " (and (listp gnus-group-faq-directory)
7338 gnus-group-faq-directory))))))
7339 (let (gnus-faq-buffer)
7340 (when (setq gnus-faq-buffer
7341 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
7342 (gnus-configure-windows 'summary-faq))))
7344 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
7345 (defun gnus-summary-describe-group (&optional force)
7346 "Describe the current newsgroup."
7348 (gnus-group-describe-group force gnus-newsgroup-name))
7350 (defun gnus-summary-describe-briefly ()
7351 "Describe summary mode commands briefly."
7353 (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")))
7355 ;; Walking around group mode buffer from summary mode.
7357 (defun gnus-summary-next-group (&optional no-article target-group backward)
7358 "Exit current newsgroup and then select next unread newsgroup.
7359 If prefix argument NO-ARTICLE is non-nil, no article is selected
7360 initially. If TARGET-GROUP, go to this group. If BACKWARD, go to
7361 previous group instead."
7363 ;; Stop pre-fetching.
7364 (gnus-async-halt-prefetch)
7365 (let ((current-group gnus-newsgroup-name)
7366 (current-buffer (current-buffer))
7368 ;; First we semi-exit this group to update Xrefs and all variables.
7369 ;; We can't do a real exit, because the window conf must remain
7370 ;; the same in case the user is prompted for info, and we don't
7371 ;; want the window conf to change before that...
7372 (gnus-summary-exit t)
7373 (while (not entered)
7374 ;; Then we find what group we are supposed to enter.
7375 (set-buffer gnus-group-buffer)
7376 (gnus-group-jump-to-group current-group)
7379 (if (eq gnus-keep-same-level 'best)
7380 (gnus-summary-best-group gnus-newsgroup-name)
7381 (gnus-summary-search-group backward gnus-keep-same-level))))
7382 (if (not target-group)
7383 ;; There are no further groups, so we return to the group
7386 (gnus-message 5 "Returning to the group buffer")
7388 (when (gnus-buffer-live-p current-buffer)
7389 (set-buffer current-buffer)
7390 (gnus-summary-exit))
7391 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
7392 ;; We try to enter the target group.
7393 (gnus-group-jump-to-group target-group)
7394 (let ((unreads (gnus-group-group-unread)))
7395 (if (and (or (eq t unreads)
7396 (and unreads (not (zerop unreads))))
7397 (gnus-summary-read-group
7398 target-group nil no-article
7399 (and (buffer-name current-buffer) current-buffer)
7402 (setq current-group target-group
7403 target-group nil)))))))
7405 (defun gnus-summary-prev-group (&optional no-article)
7406 "Exit current newsgroup and then select previous unread newsgroup.
7407 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
7409 (gnus-summary-next-group no-article nil t))
7411 ;; Walking around summary lines.
7413 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
7414 "Go to the first subject satisfying any non-nil constraint.
7415 If UNREAD is non-nil, the article should be unread.
7416 If UNDOWNLOADED is non-nil, the article should be undownloaded.
7417 If UNSEEN is non-nil, the article should be unseen as well as unread.
7418 Returns the article selected or nil if there are no matching articles."
7422 ((null gnus-newsgroup-data)
7423 (gnus-message 3 "No articles in the group")
7425 ;; Pick the first article.
7426 ((not (or unread undownloaded unseen))
7427 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
7428 (gnus-data-number (car gnus-newsgroup-data)))
7429 ;; Find the first unread article.
7431 (let ((data gnus-newsgroup-data))
7433 (let ((num (gnus-data-number (car data))))
7434 (or (memq num gnus-newsgroup-unfetched)
7435 (not (or (and unread
7436 (memq num gnus-newsgroup-unreads))
7438 (memq num gnus-newsgroup-undownloaded))
7440 (memq num gnus-newsgroup-unseen)
7441 (memq num gnus-newsgroup-unreads)))))))
7442 (setq data (cdr data)))
7446 (goto-char (gnus-data-pos (car data)))
7447 (gnus-data-number (car data)))
7448 (gnus-message 3 "No more%s articles"
7449 (let* ((r (when unread " unread"))
7450 (d (when undownloaded " undownloaded"))
7451 (s (when unseen " unseen"))
7452 (l (delq nil (list r d s))))
7453 (cond ((= 3 (length l))
7454 (concat r "," d ", or" s))
7456 (concat (car l) ", or" (cadr l)))
7463 (gnus-summary-position-point))))))
7465 (defun gnus-summary-next-subject (n &optional unread dont-display)
7466 "Go to next N'th summary line.
7467 If N is negative, go to the previous N'th subject line.
7468 If UNREAD is non-nil, only unread articles are selected.
7469 The difference between N and the actual number of steps taken is
7472 (let ((backward (< n 0))
7476 (gnus-summary-find-prev unread)
7477 (gnus-summary-find-next unread)))
7478 (unless (zerop (setq n (1- n)))
7479 (gnus-summary-show-thread)))
7481 (gnus-message 7 "No more%s articles"
7482 (if unread " unread" "")))
7483 (unless dont-display
7484 (gnus-summary-recenter)
7485 (gnus-summary-position-point))
7488 (defun gnus-summary-next-unread-subject (n)
7489 "Go to next N'th unread summary line."
7491 (gnus-summary-next-subject n t))
7493 (defun gnus-summary-prev-subject (n &optional unread)
7494 "Go to previous N'th summary line.
7495 If optional argument UNREAD is non-nil, only unread article is selected."
7497 (gnus-summary-next-subject (- n) unread))
7499 (defun gnus-summary-prev-unread-subject (n)
7500 "Go to previous N'th unread summary line."
7502 (gnus-summary-next-subject (- n) t))
7504 (defun gnus-summary-goto-subjects (articles)
7505 "Insert the subject header for ARTICLES in the current buffer."
7507 (dolist (article articles)
7508 (gnus-summary-goto-subject article t)))
7509 (gnus-summary-limit (append articles gnus-newsgroup-limit))
7510 (gnus-summary-position-point))
7512 (defun gnus-summary-goto-subject (article &optional force silent)
7513 "Go to the subject line of ARTICLE.
7514 If FORCE, also allow jumping to articles not currently shown."
7515 (interactive "nArticle number: ")
7516 (unless (numberp article)
7517 (error "Article %s is not a number" article))
7519 (data (gnus-data-find article)))
7520 ;; We read in the article if we have to.
7523 (gnus-summary-insert-subject
7525 (if (or (numberp force) (vectorp force)) force)
7527 (setq data (gnus-data-find article)))
7532 (gnus-message 3 "Can't find article %d" article))
7534 (let ((pt (gnus-data-pos data)))
7536 (gnus-summary-set-article-display-arrow pt))
7537 (gnus-summary-position-point)
7540 ;; Walking around summary lines with displaying articles.
7542 (defun gnus-summary-expand-window (&optional arg)
7543 "Make the summary buffer take up the entire Emacs frame.
7544 Given a prefix, will force an `article' buffer configuration."
7547 (gnus-configure-windows 'article 'force)
7548 (gnus-configure-windows 'summary 'force)))
7550 (defun gnus-summary-display-article (article &optional all-header)
7551 "Display ARTICLE in article buffer."
7552 (unless (and (gnus-buffer-live-p gnus-article-buffer)
7553 (with-current-buffer gnus-article-buffer
7554 (eq major-mode 'gnus-article-mode)))
7555 (gnus-article-setup-buffer))
7556 (gnus-set-global-variables)
7557 (with-current-buffer gnus-article-buffer
7558 (setq gnus-article-charset gnus-newsgroup-charset)
7559 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
7560 (mm-enable-multibyte))
7564 (if gnus-summary-display-article-function
7565 (funcall gnus-summary-display-article-function article all-header)
7566 (gnus-article-prepare article all-header))
7567 (gnus-run-hooks 'gnus-select-article-hook)
7568 (when (and gnus-current-article
7569 (not (zerop gnus-current-article)))
7570 (gnus-summary-goto-subject gnus-current-article))
7571 (gnus-summary-recenter)
7572 (when (and gnus-use-trees gnus-show-threads)
7573 (gnus-possibly-generate-tree article)
7574 (gnus-highlight-selected-tree article))
7575 ;; Successfully display article.
7576 (gnus-article-set-window-start
7577 (cdr (assq article gnus-newsgroup-bookmarks))))))
7579 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
7580 "Select the current article.
7581 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
7582 non-nil, the article will be re-fetched even if it already present in
7583 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
7585 ;; Make sure we are in the summary buffer to work around bbdb bug.
7586 (unless (eq major-mode 'gnus-summary-mode)
7587 (set-buffer gnus-summary-buffer))
7588 (let ((article (or article (gnus-summary-article-number)))
7589 (all-headers (not (not all-headers))) ;Must be t or nil.
7590 gnus-summary-display-article-function)
7592 (gnus-summary-article-pseudo-p article)
7593 (error "This is a pseudo-article"))
7594 (with-current-buffer gnus-summary-buffer
7595 (if (or (and gnus-single-article-buffer
7596 (or (null gnus-current-article)
7597 (null gnus-article-current)
7598 (null (get-buffer gnus-article-buffer))
7599 (not (eq article (cdr gnus-article-current)))
7600 (not (equal (car gnus-article-current)
7601 gnus-newsgroup-name))))
7602 (and (not gnus-single-article-buffer)
7603 (or (null gnus-current-article)
7604 (not (eq gnus-current-article article))))
7606 ;; The requested article is different from the current article.
7608 (gnus-summary-display-article article all-headers)
7609 (when (gnus-buffer-live-p gnus-article-buffer)
7610 (with-current-buffer gnus-article-buffer
7611 (if (not gnus-article-decoded-p) ;; a local variable
7612 (mm-disable-multibyte))))
7613 (gnus-article-set-window-start
7614 (cdr (assq article gnus-newsgroup-bookmarks)))
7618 (defun gnus-summary-force-verify-and-decrypt ()
7619 "Display buttons for signed/encrypted parts and verify/decrypt them."
7621 (let ((mm-verify-option 'known)
7622 (mm-decrypt-option 'known)
7623 (gnus-article-emulate-mime t)
7624 (gnus-buttonized-mime-types (append (list "multipart/signed"
7625 "multipart/encrypted")
7626 gnus-buttonized-mime-types)))
7627 (gnus-summary-select-article nil 'force)))
7629 (defun gnus-summary-set-current-mark (&optional current-mark)
7630 "Obsolete function."
7633 (defun gnus-summary-next-article (&optional unread subject backward push)
7634 "Select the next article.
7635 If UNREAD, only unread articles are selected.
7636 If SUBJECT, only articles with SUBJECT are selected.
7637 If BACKWARD, the previous article is selected instead of the next."
7639 ;; Make sure we are in the summary buffer.
7640 (unless (eq major-mode 'gnus-summary-mode)
7641 (set-buffer gnus-summary-buffer))
7643 ;; Is there such an article?
7644 ((and (gnus-summary-search-forward unread subject backward)
7645 (or (gnus-summary-display-article (gnus-summary-article-number))
7646 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
7647 (gnus-summary-position-point))
7648 ;; If not, we try the first unread, if that is wanted.
7650 gnus-auto-select-same
7651 (gnus-summary-first-unread-article))
7652 (gnus-summary-position-point)
7653 (gnus-message 6 "Wrapped"))
7654 ;; Try to get next/previous article not displayed in this group.
7655 ((and gnus-auto-extend-newsgroup
7656 (not unread) (not subject))
7657 (gnus-summary-goto-article
7658 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
7659 nil (count-lines (point-min) (point))))
7660 ;; Go to next/previous group.
7662 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
7663 (gnus-summary-jump-to-group gnus-newsgroup-name))
7664 (let ((cmd (if (featurep 'xemacs)
7666 last-command-event))
7668 (with-current-buffer gnus-group-buffer
7671 (if (eq gnus-keep-same-level 'best)
7672 (gnus-summary-best-group gnus-newsgroup-name)
7673 (gnus-summary-search-group backward gnus-keep-same-level))))
7674 ;; For some reason, the group window gets selected. We change
7676 (select-window (get-buffer-window (current-buffer)))
7677 ;; Select next unread newsgroup automagically.
7679 ((or (not gnus-auto-select-next)
7681 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
7682 ((or (eq gnus-auto-select-next 'quietly)
7683 (and (eq gnus-auto-select-next 'slightly-quietly)
7685 (and (eq gnus-auto-select-next 'almost-quietly)
7686 (gnus-summary-last-article-p)))
7688 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
7690 (gnus-message 7 "No more%s articles (%s)..."
7691 (if unread " unread" "")
7692 (if group (concat "selecting " group)
7694 (gnus-summary-next-group nil group backward)))
7696 (when (gnus-key-press-event-p last-input-event)
7697 (gnus-summary-walk-group-buffer
7698 gnus-newsgroup-name cmd unread backward point))))))))
7700 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
7701 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
7702 (?\C-p (gnus-group-prev-unread-group 1))))
7703 (cursor-in-echo-area t)
7704 keve key group ended prompt)
7705 (with-current-buffer gnus-group-buffer
7708 (if (eq gnus-keep-same-level 'best)
7709 (gnus-summary-best-group gnus-newsgroup-name)
7710 (gnus-summary-search-group backward gnus-keep-same-level))))
7714 "No more%s articles%s " (if unread " unread" "")
7716 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
7717 (format " (Type %s for %s [%s])"
7718 (single-key-description cmd)
7719 (gnus-group-decoded-name group)
7720 (gnus-group-unread group))
7721 (format " (Type %s to exit %s)"
7722 (single-key-description cmd)
7723 (gnus-group-decoded-name gnus-newsgroup-name)))))
7724 ;; Confirm auto selection.
7725 (setq key (car (setq keve (gnus-read-event-char prompt)))
7728 ((assq key keystrokes)
7729 (let ((obuf (current-buffer)))
7730 (switch-to-buffer gnus-group-buffer)
7732 (gnus-group-jump-to-group group))
7733 (eval (cadr (assq key keystrokes)))
7734 (setq group (gnus-group-group-name))
7735 (switch-to-buffer obuf))
7739 (gnus-ephemeral-group-p gnus-newsgroup-name))
7741 (gnus-summary-next-group nil group backward)))
7743 (push (cdr keve) unread-command-events))))))
7745 (defun gnus-summary-next-unread-article ()
7746 "Select unread article after current one."
7748 (gnus-summary-next-article
7749 (or (not (eq gnus-summary-goto-unread 'never))
7750 (gnus-summary-last-article-p (gnus-summary-article-number)))
7751 (and gnus-auto-select-same
7752 (gnus-summary-article-subject))))
7754 (defun gnus-summary-prev-article (&optional unread subject)
7755 "Select the article before the current one.
7756 If UNREAD is non-nil, only unread articles are selected."
7758 (gnus-summary-next-article unread subject t))
7760 (defun gnus-summary-prev-unread-article ()
7761 "Select unread article before current one."
7763 (gnus-summary-prev-article
7764 (or (not (eq gnus-summary-goto-unread 'never))
7765 (gnus-summary-first-article-p (gnus-summary-article-number)))
7766 (and gnus-auto-select-same
7767 (gnus-summary-article-subject))))
7769 (defun gnus-summary-next-page (&optional lines circular stop)
7770 "Show next page of the selected article.
7771 If at the end of the current article, select the next article.
7772 LINES says how many lines should be scrolled up.
7774 If CIRCULAR is non-nil, go to the start of the article instead of
7775 selecting the next article when reaching the end of the current
7778 If STOP is non-nil, just stop when reaching the end of the message.
7780 Also see the variable `gnus-article-skip-boring'."
7782 (setq gnus-summary-buffer (current-buffer))
7783 (gnus-set-global-variables)
7784 (let ((article (gnus-summary-article-number))
7785 (article-window (get-buffer-window gnus-article-buffer t))
7787 ;; If the buffer is empty, we have no article.
7789 (error "No article to select"))
7790 (gnus-configure-windows 'article)
7791 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
7792 (if (and (eq gnus-summary-goto-unread 'never)
7793 (not (gnus-summary-last-article-p article)))
7794 (gnus-summary-next-article)
7795 (gnus-summary-next-unread-article))
7796 (if (or (null gnus-current-article)
7797 (null gnus-article-current)
7798 (/= article (cdr gnus-article-current))
7799 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7800 ;; Selected subject is different from current article's.
7801 (gnus-summary-display-article article)
7802 (when article-window
7803 (gnus-eval-in-buffer-window gnus-article-buffer
7804 (setq endp (or (gnus-article-next-page lines)
7805 (gnus-article-only-boring-p))))
7807 (cond ((or stop gnus-summary-stop-at-end-of-message)
7808 (gnus-message 3 "End of message"))
7810 (gnus-summary-beginning-of-article))
7812 (gnus-message 3 "End of message"))
7814 (if (and (eq gnus-summary-goto-unread 'never)
7815 (not (gnus-summary-last-article-p article)))
7816 (gnus-summary-next-article)
7817 (gnus-summary-next-unread-article))))))))
7818 (gnus-summary-recenter)
7819 (gnus-summary-position-point)))
7821 (defun gnus-summary-prev-page (&optional lines move)
7822 "Show previous page of selected article.
7823 Argument LINES specifies lines to be scrolled down.
7824 If MOVE, move to the previous unread article if point is at
7825 the beginning of the buffer."
7827 (let ((article (gnus-summary-article-number))
7828 (article-window (get-buffer-window gnus-article-buffer t))
7830 (gnus-configure-windows 'article)
7831 (if (or (null gnus-current-article)
7832 (null gnus-article-current)
7833 (/= article (cdr gnus-article-current))
7834 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7835 ;; Selected subject is different from current article's.
7836 (gnus-summary-display-article article)
7837 (gnus-summary-recenter)
7838 (when article-window
7839 (gnus-eval-in-buffer-window gnus-article-buffer
7840 (setq endp (gnus-article-prev-page lines)))
7841 (when (and move endp)
7843 (gnus-message 3 "Beginning of message"))
7845 (if (and (eq gnus-summary-goto-unread 'never)
7846 (not (gnus-summary-first-article-p article)))
7847 (gnus-summary-prev-article)
7848 (gnus-summary-prev-unread-article))))))))
7849 (gnus-summary-position-point))
7851 (defun gnus-summary-prev-page-or-article (&optional lines)
7852 "Show previous page of selected article.
7853 Argument LINES specifies lines to be scrolled down.
7854 If at the beginning of the article, go to the next article."
7856 (gnus-summary-prev-page lines t))
7858 (defun gnus-summary-scroll-up (lines)
7859 "Scroll up (or down) one line current article.
7860 Argument LINES specifies lines to be scrolled up (or down if negative)."
7862 (gnus-configure-windows 'article)
7863 (gnus-summary-show-thread)
7864 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
7865 (gnus-eval-in-buffer-window gnus-article-buffer
7867 (when (gnus-article-next-page lines)
7868 (gnus-message 3 "End of message")))
7870 (gnus-article-prev-page (- lines))))))
7871 (gnus-summary-recenter)
7872 (gnus-summary-position-point))
7874 (defun gnus-summary-scroll-down (lines)
7875 "Scroll down (or up) one line current article.
7876 Argument LINES specifies lines to be scrolled down (or up if negative)."
7878 (gnus-summary-scroll-up (- lines)))
7880 (defun gnus-summary-next-same-subject ()
7881 "Select next article which has the same subject as current one."
7883 (gnus-summary-next-article nil (gnus-summary-article-subject)))
7885 (defun gnus-summary-prev-same-subject ()
7886 "Select previous article which has the same subject as current one."
7888 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
7890 (defun gnus-summary-next-unread-same-subject ()
7891 "Select next unread article which has the same subject as current one."
7893 (gnus-summary-next-article t (gnus-summary-article-subject)))
7895 (defun gnus-summary-prev-unread-same-subject ()
7896 "Select previous unread article which has the same subject as current one."
7898 (gnus-summary-prev-article t (gnus-summary-article-subject)))
7900 (defun gnus-summary-first-unread-article ()
7901 "Select the first unread article.
7902 Return nil if there are no unread articles."
7905 (when (gnus-summary-first-subject t)
7906 (gnus-summary-show-thread)
7907 (gnus-summary-first-subject t)
7908 (gnus-summary-display-article (gnus-summary-article-number)))
7909 (gnus-summary-position-point)))
7911 (defun gnus-summary-first-unread-subject ()
7912 "Place the point on the subject line of the first unread article.
7913 Return nil if there are no unread articles."
7916 (when (gnus-summary-first-subject t)
7917 (gnus-summary-show-thread)
7918 (gnus-summary-first-subject t))
7919 (gnus-summary-position-point)))
7921 (defun gnus-summary-first-unseen-subject ()
7922 "Place the point on the subject line of the first unseen article.
7923 Return nil if there are no unseen articles."
7926 (when (gnus-summary-first-subject nil nil t)
7927 (gnus-summary-show-thread)
7928 (gnus-summary-first-subject nil nil t))
7929 (gnus-summary-position-point)))
7931 (defun gnus-summary-first-unseen-or-unread-subject ()
7932 "Place the point on the subject line of the first unseen and unread article.
7933 If all article have been seen, on the subject line of the first unread
7937 (unless (when (gnus-summary-first-subject nil nil t)
7938 (gnus-summary-show-thread)
7939 (gnus-summary-first-subject nil nil t))
7940 (when (gnus-summary-first-subject t)
7941 (gnus-summary-show-thread)
7942 (gnus-summary-first-subject t)))
7943 (gnus-summary-position-point)))
7945 (defun gnus-summary-first-article ()
7946 "Select the first article.
7947 Return nil if there are no articles."
7950 (when (gnus-summary-first-subject)
7951 (gnus-summary-show-thread)
7952 (gnus-summary-first-subject)
7953 (gnus-summary-display-article (gnus-summary-article-number)))
7954 (gnus-summary-position-point)))
7956 (defun gnus-summary-best-unread-article (&optional arg)
7957 "Select the unread article with the highest score.
7958 If given a prefix argument, select the next unread article that has a
7959 score higher than the default score."
7961 (let ((article (if arg
7962 (gnus-summary-better-unread-subject)
7963 (gnus-summary-best-unread-subject))))
7965 (gnus-summary-goto-article article)
7966 (error "No unread articles"))))
7968 (defun gnus-summary-best-unread-subject ()
7969 "Select the unread subject with the highest score."
7971 (let ((best -1000000)
7972 (data gnus-newsgroup-data)
7975 (and (gnus-data-unread-p (car data))
7977 (gnus-summary-article-score (gnus-data-number (car data))))
7980 article (gnus-data-number (car data))))
7981 (setq data (cdr data)))
7983 (gnus-summary-goto-subject article))
7984 (gnus-summary-position-point)
7987 (defun gnus-summary-better-unread-subject ()
7988 "Select the first unread subject that has a score over the default score."
7990 (let ((data gnus-newsgroup-data)
7992 (while (and (setq article (gnus-data-number (car data)))
7993 (or (gnus-data-read-p (car data))
7994 (not (> (gnus-summary-article-score article)
7995 gnus-summary-default-score))))
7996 (setq data (cdr data)))
7998 (gnus-summary-goto-subject article))
7999 (gnus-summary-position-point)
8002 (defun gnus-summary-last-subject ()
8003 "Go to the last displayed subject line in the group."
8004 (let ((article (gnus-data-number (car (gnus-data-list t)))))
8006 (gnus-summary-goto-subject article))))
8008 (defun gnus-summary-goto-article (article &optional all-headers force)
8009 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
8010 If ALL-HEADERS is non-nil, no header lines are hidden.
8011 If FORCE, go to the article even if it isn't displayed. If FORCE
8012 is a number, it is the line the article is to be displayed on."
8016 "Article number or Message-ID: "
8017 (mapcar (lambda (number) (list (int-to-string number)))
8018 gnus-newsgroup-limit))
8022 (if (and (stringp article)
8023 (string-match "@\\|%40" article))
8024 (gnus-summary-refer-article article)
8025 (when (stringp article)
8026 (setq article (string-to-number article)))
8027 (if (gnus-summary-goto-subject article force)
8028 (gnus-summary-display-article article all-headers)
8029 (gnus-message 4 "Couldn't go to article %s" article) nil))
8030 (gnus-summary-position-point)))
8032 (defun gnus-summary-goto-last-article ()
8033 "Go to the previously read article."
8036 (when gnus-last-article
8037 (gnus-summary-goto-article gnus-last-article nil t))
8038 (gnus-summary-position-point)))
8040 (defun gnus-summary-pop-article (number)
8041 "Pop one article off the history and go to the previous.
8042 NUMBER articles will be popped off."
8045 (setq gnus-newsgroup-history
8046 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
8048 (gnus-summary-goto-article (car to) nil t)
8049 (error "Article history empty")))
8050 (gnus-summary-position-point))
8052 ;; Summary commands and functions for limiting the summary buffer.
8054 (defun gnus-summary-limit-to-articles (n)
8055 "Limit the summary buffer to the next N articles.
8056 If not given a prefix, use the process marked articles instead."
8059 (let ((articles (gnus-summary-work-articles n)))
8060 (setq gnus-newsgroup-processable nil)
8061 (gnus-summary-limit articles))
8062 (gnus-summary-position-point)))
8064 (defun gnus-summary-pop-limit (&optional total)
8065 "Restore the previous limit.
8066 If given a prefix, remove all limits."
8069 (setq gnus-newsgroup-limits
8070 (list (mapcar (lambda (h) (mail-header-number h))
8071 gnus-newsgroup-headers))))
8072 (unless gnus-newsgroup-limits
8073 (error "No limit to pop"))
8075 (gnus-summary-limit nil 'pop)
8076 (gnus-summary-position-point)))
8078 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
8079 "Limit the summary buffer to articles that have subjects that match a regexp.
8080 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
8082 (list (read-string (if current-prefix-arg
8083 "Exclude subject (regexp): "
8084 "Limit to subject (regexp): "))
8085 nil current-prefix-arg))
8087 (setq header "subject"))
8088 (when (not (equal "" subject))
8090 (let ((articles (gnus-summary-find-matching
8091 (or header "subject") subject 'all nil nil
8094 (error "Found no matches for \"%s\"" subject))
8095 (gnus-summary-limit articles))
8096 (gnus-summary-position-point))))
8098 (defun gnus-summary-limit-to-author (from &optional not-matching)
8099 "Limit the summary buffer to articles that have authors that match a regexp.
8100 If NOT-MATCHING, excluding articles that have authors that match a regexp."
8102 (list (read-string (if current-prefix-arg
8103 "Exclude author (regexp): "
8104 "Limit to author (regexp): "))
8105 current-prefix-arg))
8106 (gnus-summary-limit-to-subject from "from" not-matching))
8108 (defun gnus-summary-limit-to-recipient (recipient &optional not-matching)
8109 "Limit the summary buffer to articles with the given RECIPIENT.
8111 If NOT-MATCHING, exclude RECIPIENT.
8113 To and Cc headers are checked. You need to include them in
8114 `nnmail-extra-headers'."
8115 ;; Unlike `rmail-summary-by-recipients', doesn't include From.
8117 (list (read-string (format "%s recipient (regexp): "
8118 (if current-prefix-arg "Exclude" "Limit to")))
8119 current-prefix-arg))
8120 (when (not (equal "" recipient))
8122 (if (memq 'To nnmail-extra-headers)
8123 (gnus-summary-find-matching
8124 (cons 'extra 'To) recipient 'all nil nil
8127 1 "`To' isn't present in `nnmail-extra-headers'")
8131 (if (memq 'Cc nnmail-extra-headers)
8132 (gnus-summary-find-matching
8133 (cons 'extra 'Cc) recipient 'all nil nil
8136 1 "`Cc' isn't present in `nnmail-extra-headers'")
8141 ;; We need the numbers that are in both lists:
8143 (and (memq a to) a))
8147 (error "Found no matches for \"%s\"" recipient))
8148 (gnus-summary-limit articles))
8149 (gnus-summary-position-point))))
8151 (defun gnus-summary-limit-to-address (address &optional not-matching)
8152 "Limit the summary buffer to articles with the given ADDRESS.
8154 If NOT-MATCHING, exclude ADDRESS.
8156 To, Cc and From headers are checked. You need to include `To' and `Cc'
8157 in `nnmail-extra-headers'."
8159 (list (read-string (format "%s address (regexp): "
8160 (if current-prefix-arg "Exclude" "Limit to")))
8161 current-prefix-arg))
8162 (when (not (equal "" address))
8164 (if (memq 'To nnmail-extra-headers)
8165 (gnus-summary-find-matching
8166 (cons 'extra 'To) address 'all nil nil
8169 1 "`To' isn't present in `nnmail-extra-headers'")
8173 (if (memq 'Cc nnmail-extra-headers)
8174 (gnus-summary-find-matching
8175 (cons 'extra 'Cc) address 'all nil nil
8178 1 "`Cc' isn't present in `nnmail-extra-headers'")
8182 (gnus-summary-find-matching "from" address
8183 'all nil nil not-matching))
8186 ;; We need the numbers that are in all lists:
8190 (mapcar (lambda (a) (car (memq a from))) to))
8192 (mapcar (lambda (a) (car (memq a from))) cc)
8193 (mapcar (lambda (a) (car (memq a from)))
8194 (mapcar (lambda (a) (car (memq a to)))
8196 (nconc (if (eq to t) nil to)
8197 (if (eq cc t) nil cc)
8200 (error "Found no matches for \"%s\"" address))
8201 (gnus-summary-limit articles))
8202 (gnus-summary-position-point))))
8204 (defun gnus-summary-limit-strange-charsets-predicate (header)
8205 (when (fboundp 'char-charset)
8206 (let ((string (concat (mail-header-subject header)
8207 (mail-header-from header)))
8209 (dotimes (i (1- (length string)))
8210 (setq charset (format "%s" (char-charset (aref string (1+ i)))))
8211 (when (string-match "unicode\\|big\\|japanese" charset)
8215 (defun gnus-summary-limit-to-predicate (predicate)
8216 "Limit to articles where PREDICATE returns non-nil.
8217 PREDICATE will be called with the header structures of the
8219 (let ((articles nil)
8220 (case-fold-search t))
8221 (dolist (header gnus-newsgroup-headers)
8222 (when (funcall predicate header)
8223 (push (mail-header-number header) articles)))
8224 (gnus-summary-limit (nreverse articles))))
8226 (defun gnus-summary-limit-to-age (age &optional younger-p)
8227 "Limit the summary buffer to articles that are older than (or equal) AGE days.
8228 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
8229 articles that are younger than AGE days."
8231 (let ((younger current-prefix-arg)
8234 (while (not days-got)
8235 (setq days (if younger
8236 (read-string "Limit to articles younger than (in days, older when negative): ")
8238 "Limit to articles older than (in days, younger when negative): ")))
8239 (when (> (length days) 0)
8240 (setq days (read days)))
8245 (setq younger (not younger))
8246 (setq days (* days -1))))
8247 (message "Please enter a number.")
8249 (list days younger)))
8251 (let ((data gnus-newsgroup-data)
8252 (cutoff (days-to-time age))
8253 articles d date is-younger)
8254 (while (setq d (pop data))
8255 (when (and (vectorp (gnus-data-header d))
8256 (setq date (mail-header-date (gnus-data-header d))))
8257 (setq is-younger (time-less-p
8258 (time-since (gnus-date-get-time date))
8263 (push (gnus-data-number d) articles))))
8264 (gnus-summary-limit (nreverse articles)))
8265 (gnus-summary-position-point)))
8267 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
8268 "Limit the summary buffer to articles that match an 'extra' header."
8272 (gnus-completing-read-with-default
8273 (symbol-name (car gnus-extra-headers))
8274 (if current-prefix-arg
8275 "Exclude extra header"
8276 "Limit extra header")
8278 (cons (symbol-name x) x))
8283 (read-string (format "%s header %s (regexp): "
8284 (if current-prefix-arg "Exclude" "Limit to")
8286 current-prefix-arg)))
8287 (when (not (equal "" regexp))
8289 (let ((articles (gnus-summary-find-matching
8290 (cons 'extra header) regexp 'all nil nil
8293 (error "Found no matches for \"%s\"" regexp))
8294 (gnus-summary-limit articles))
8295 (gnus-summary-position-point))))
8297 (defun gnus-summary-limit-to-display-predicate ()
8298 "Limit the summary buffer to the predicated in the `display' group parameter."
8300 (unless gnus-newsgroup-display
8301 (error "There is no `display' group parameter"))
8303 (dolist (number gnus-newsgroup-articles)
8304 (when (funcall gnus-newsgroup-display)
8305 (push number articles)))
8306 (gnus-summary-limit articles))
8307 (gnus-summary-position-point))
8309 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
8311 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread "Emacs 20.4")
8313 (defun gnus-summary-limit-to-unread (&optional all)
8314 "Limit the summary buffer to articles that are not marked as read.
8315 If ALL is non-nil, limit strictly to unread articles."
8318 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
8319 (gnus-summary-limit-to-marks
8320 ;; Concat all the marks that say that an article is read and have
8322 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
8323 gnus-killed-mark gnus-spam-mark gnus-kill-file-mark
8324 gnus-low-score-mark gnus-expirable-mark
8325 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
8326 gnus-duplicate-mark)
8329 (defun gnus-summary-limit-to-headers (match &optional reverse)
8330 "Limit the summary buffer to articles that have headers that match MATCH.
8331 If REVERSE (the prefix), limit to articles that don't match."
8332 (interactive "sMatch headers (regexp): \nP")
8333 (gnus-summary-limit-to-bodies match reverse t))
8335 (defun gnus-summary-limit-to-bodies (match &optional reverse headersp)
8336 "Limit the summary buffer to articles that have bodies that match MATCH.
8337 If REVERSE (the prefix), limit to articles that don't match."
8338 (interactive "sMatch body (regexp): \nP")
8339 (let ((articles nil)
8340 (gnus-select-article-hook nil) ;Disable hook.
8341 (gnus-article-prepare-hook nil)
8342 (gnus-use-article-prefetch nil)
8343 (gnus-keep-backlog nil)
8344 (gnus-break-pages nil)
8345 (gnus-summary-display-arrow nil)
8346 (gnus-updated-mode-lines nil)
8347 (gnus-auto-center-summary nil)
8348 (gnus-display-mime-function nil))
8349 (dolist (data gnus-newsgroup-data)
8350 (let (gnus-mark-article-hook)
8351 (gnus-summary-select-article t t nil (gnus-data-number data)))
8352 (with-current-buffer gnus-article-buffer
8354 (let* ((case-fold-search t)
8356 (re-search-backward match nil t)
8357 (re-search-forward match nil t))))
8358 (when (or (and found
8362 (push (gnus-data-number data) articles)))))
8364 (message "No messages matched")
8365 (gnus-summary-limit articles)))
8366 (gnus-summary-position-point))
8368 (defun gnus-summary-limit-to-singletons (&optional threadsp)
8369 "Limit the summary buffer to articles that aren't part on any thread.
8370 If THREADSP (the prefix), limit to articles that are in threads."
8372 (let ((articles nil)
8375 (dolist (thread gnus-newsgroup-threads)
8376 (if (stringp (car thread))
8377 (dolist (thread (cdr thread))
8378 (push thread threads))
8379 (push thread threads)))
8380 (dolist (thread threads)
8381 (setq thread-articles (gnus-articles-in-thread thread))
8382 (when (or (and threadsp
8383 (> (length thread-articles) 1))
8385 (= (length thread-articles) 1)))
8386 (setq articles (nconc thread-articles articles))))
8388 (message "No messages matched")
8389 (gnus-summary-limit articles))
8390 (gnus-summary-position-point)))
8392 (defun gnus-summary-limit-to-replied (&optional unreplied)
8393 "Limit the summary buffer to replied articles.
8394 If UNREPLIED (the prefix), limit to unreplied articles."
8398 (gnus-set-difference gnus-newsgroup-articles
8399 gnus-newsgroup-replied))
8400 (gnus-summary-limit gnus-newsgroup-replied))
8401 (gnus-summary-position-point))
8403 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
8404 (make-obsolete 'gnus-summary-delete-marked-with
8405 'gnus-summary-limit-exclude-marks "Emacs 20.4")
8407 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
8408 "Exclude articles that are marked with MARKS (e.g. \"DK\").
8409 If REVERSE, limit the summary buffer to articles that are marked
8410 with MARKS. MARKS can either be a string of marks or a list of marks.
8411 Returns how many articles were removed."
8412 (interactive "sMarks: ")
8413 (gnus-summary-limit-to-marks marks t))
8415 (defun gnus-summary-limit-to-marks (marks &optional reverse)
8416 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
8417 If REVERSE (the prefix), limit the summary buffer to articles that are
8418 not marked with MARKS. MARKS can either be a string of marks or a
8420 Returns how many articles were removed."
8421 (interactive "sMarks: \nP")
8423 (let ((data gnus-newsgroup-data)
8424 (marks (if (listp marks) marks
8425 (append marks nil))) ; Transform to list.
8428 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
8429 (memq (gnus-data-mark (car data)) marks))
8430 (push (gnus-data-number (car data)) articles))
8431 (setq data (cdr data)))
8432 (gnus-summary-limit articles))
8433 (gnus-summary-position-point)))
8435 (defun gnus-summary-limit-to-score (score)
8436 "Limit to articles with score at or above SCORE."
8437 (interactive "NLimit to articles with score of at least: ")
8438 (let ((data gnus-newsgroup-data)
8441 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
8443 (push (gnus-data-number (car data)) articles))
8444 (setq data (cdr data)))
8446 (gnus-summary-limit articles)
8447 (gnus-summary-position-point))))
8449 (defun gnus-summary-limit-to-unseen ()
8450 "Limit to unseen articles."
8453 (gnus-summary-limit gnus-newsgroup-unseen)
8454 (gnus-summary-position-point)))
8456 (defun gnus-summary-limit-include-thread (id)
8457 "Display all the hidden articles that is in the thread with ID in it.
8458 When called interactively, ID is the Message-ID of the current
8460 (interactive (list (mail-header-id (gnus-summary-article-header))))
8461 (let ((articles (gnus-articles-in-thread
8462 (gnus-id-to-thread (gnus-root-id id)))))
8464 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
8465 (gnus-summary-limit-include-matching-articles
8467 (regexp-quote (gnus-simplify-subject-re
8468 (mail-header-subject (gnus-id-to-header id)))))
8469 (gnus-summary-position-point))))
8471 (defun gnus-summary-limit-include-matching-articles (header regexp)
8472 "Display all the hidden articles that have HEADERs that match REGEXP."
8473 (interactive (list (read-string "Match on header: ")
8474 (read-string "Regexp: ")))
8475 (let ((articles (gnus-find-matching-articles header regexp)))
8477 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
8478 (gnus-summary-position-point))))
8480 (defun gnus-summary-insert-dormant-articles ()
8481 "Insert all the dormant articles for this group into the current buffer."
8483 (let ((gnus-verbose (max 6 gnus-verbose)))
8484 (if (not gnus-newsgroup-dormant)
8485 (gnus-message 3 "No dormant articles for this group")
8486 (gnus-summary-goto-subjects gnus-newsgroup-dormant))))
8488 (defun gnus-summary-insert-ticked-articles ()
8489 "Insert ticked articles for this group into the current buffer."
8491 (let ((gnus-verbose (max 6 gnus-verbose)))
8492 (if (not gnus-newsgroup-marked)
8493 (gnus-message 3 "No ticked articles for this group")
8494 (gnus-summary-goto-subjects gnus-newsgroup-marked))))
8496 (defun gnus-summary-limit-include-dormant ()
8497 "Display all the hidden articles that are marked as dormant.
8498 Note that this command only works on a subset of the articles currently
8499 fetched for this group."
8501 (unless gnus-newsgroup-dormant
8502 (error "There are no dormant articles in this group"))
8504 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
8505 (gnus-summary-position-point)))
8507 (defun gnus-summary-limit-exclude-dormant ()
8508 "Hide all dormant articles."
8511 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
8512 (gnus-summary-position-point)))
8514 (defun gnus-summary-limit-exclude-childless-dormant ()
8515 "Hide all dormant articles that have no children."
8517 (let ((data (gnus-data-list t))
8518 articles d children)
8519 ;; Find all articles that are either not dormant or have
8521 (while (setq d (pop data))
8522 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
8524 (gnus-article-children (gnus-data-number d)))
8527 (when (memq (car children) articles)
8532 (push (gnus-data-number d) articles)))
8535 (gnus-summary-limit articles)
8536 (gnus-summary-position-point))))
8538 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
8539 "Mark all unread excluded articles as read.
8540 If ALL, mark even excluded ticked and dormants as read."
8542 (setq gnus-newsgroup-limit (sort gnus-newsgroup-limit '<))
8543 (let ((articles (gnus-sorted-ndifference
8545 (mapcar (lambda (h) (mail-header-number h))
8546 gnus-newsgroup-headers)
8548 gnus-newsgroup-limit))
8550 (setq gnus-newsgroup-unreads
8551 (gnus-sorted-intersection gnus-newsgroup-unreads
8552 gnus-newsgroup-limit))
8554 (setq gnus-newsgroup-dormant nil
8555 gnus-newsgroup-marked nil
8556 gnus-newsgroup-reads
8558 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
8559 gnus-newsgroup-reads))
8560 (while (setq article (pop articles))
8561 (unless (or (memq article gnus-newsgroup-dormant)
8562 (memq article gnus-newsgroup-marked))
8563 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
8565 (defun gnus-summary-limit (articles &optional pop)
8567 ;; We pop the previous limit off the stack and use that.
8568 (setq articles (car gnus-newsgroup-limits)
8569 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
8570 ;; We use the new limit, so we push the old limit on the stack.
8571 (push gnus-newsgroup-limit gnus-newsgroup-limits))
8573 (setq gnus-newsgroup-limit articles)
8574 (let ((total (length gnus-newsgroup-data))
8575 (data (gnus-data-find-list (gnus-summary-article-number)))
8576 (gnus-summary-mark-below nil) ; Inhibit this.
8578 ;; This will do all the work of generating the new summary buffer
8579 ;; according to the new limit.
8580 (gnus-summary-prepare)
8581 ;; Hide any threads, possibly.
8582 (gnus-summary-maybe-hide-threads)
8583 ;; Try to return to the article you were at, or one in the
8586 ;; We try to find some article after the current one.
8588 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
8591 (setq data (cdr data))))
8593 ;; If there is no data, that means that we were after the last
8594 ;; article. The same goes when we can't find any articles
8595 ;; after the current one.
8596 (goto-char (point-max))
8597 (gnus-summary-find-prev))
8598 (gnus-set-mode-line 'summary)
8599 ;; We return how many articles were removed from the summary
8600 ;; buffer as a result of the new limit.
8601 (- total (length gnus-newsgroup-data))))
8603 (defsubst gnus-invisible-cut-children (threads)
8606 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
8611 (defsubst gnus-cut-thread (thread)
8612 "Go forwards in the thread until we find an article that we want to display."
8613 (when (or (eq gnus-fetch-old-headers 'some)
8614 (eq gnus-fetch-old-headers 'invisible)
8615 (numberp gnus-fetch-old-headers)
8616 (eq gnus-build-sparse-threads 'some)
8617 (eq gnus-build-sparse-threads 'more))
8618 ;; Deal with old-fetched headers and sparse threads.
8622 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
8623 (gnus-summary-article-ancient-p
8624 (mail-header-number (car thread))))
8625 (if (or (<= (length (cdr thread)) 1)
8626 (eq gnus-fetch-old-headers 'invisible))
8627 (setq gnus-newsgroup-limit
8628 (delq (mail-header-number (car thread))
8629 gnus-newsgroup-limit)
8630 thread (cadr thread))
8631 (when (gnus-invisible-cut-children (cdr thread))
8632 (let ((th (cdr thread)))
8634 (if (memq (mail-header-number (caar th))
8635 gnus-newsgroup-limit)
8636 (setq thread (car th)
8638 (setq th (cdr th))))))))))
8641 (defun gnus-cut-threads (threads)
8642 "Cut off all uninteresting articles from the beginning of THREADS."
8643 (when (or (eq gnus-fetch-old-headers 'some)
8644 (eq gnus-fetch-old-headers 'invisible)
8645 (numberp gnus-fetch-old-headers)
8646 (eq gnus-build-sparse-threads 'some)
8647 (eq gnus-build-sparse-threads 'more))
8650 (setcar th (gnus-cut-thread (car th)))
8651 (setq th (cdr th)))))
8652 ;; Remove nixed out threads.
8655 (defun gnus-summary-initial-limit (&optional show-if-empty)
8656 "Figure out what the initial limit is supposed to be on group entry.
8657 This entails weeding out unwanted dormants, low-scored articles,
8658 fetch-old-headers verbiage, and so on."
8659 ;; Most groups have nothing to remove.
8660 (unless (or gnus-inhibit-limiting
8661 (and (null gnus-newsgroup-dormant)
8662 (eq gnus-newsgroup-display 'gnus-not-ignore)
8663 (not (eq gnus-fetch-old-headers 'some))
8664 (not (numberp gnus-fetch-old-headers))
8665 (not (eq gnus-fetch-old-headers 'invisible))
8666 (null gnus-summary-expunge-below)
8667 (not (eq gnus-build-sparse-threads 'some))
8668 (not (eq gnus-build-sparse-threads 'more))
8669 (null gnus-thread-expunge-below)
8670 (not gnus-use-nocem)))
8671 (push gnus-newsgroup-limit gnus-newsgroup-limits)
8672 (setq gnus-newsgroup-limit nil)
8675 (unless (car (symbol-value node))
8676 ;; These threads have no parents -- they are roots.
8677 (let ((nodes (cdr (symbol-value node)))
8680 (if (and gnus-thread-expunge-below
8681 (< (gnus-thread-total-score (car nodes))
8682 gnus-thread-expunge-below))
8683 (gnus-expunge-thread (pop nodes))
8684 (setq thread (pop nodes))
8685 (gnus-summary-limit-children thread))))))
8686 gnus-newsgroup-dependencies)
8687 ;; If this limitation resulted in an empty group, we might
8688 ;; pop the previous limit and use it instead.
8689 (when (and (not gnus-newsgroup-limit)
8691 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
8692 gnus-newsgroup-limit))
8694 (defun gnus-summary-limit-children (thread)
8695 "Return 1 if this subthread is visible and 0 if it is not."
8696 ;; First we get the number of visible children to this thread. This
8697 ;; is done by recursing down the thread using this function, so this
8698 ;; will really go down to a leaf article first, before slowly
8699 ;; working its way up towards the root.
8701 (let* ((max-lisp-eval-depth (max 5000 max-lisp-eval-depth))
8704 (apply '+ (mapcar 'gnus-summary-limit-children
8707 (number (mail-header-number (car thread)))
8710 (not (memq number gnus-newsgroup-marked))
8712 ;; If this article is dormant and has absolutely no visible
8713 ;; children, then this article isn't visible.
8714 (and (memq number gnus-newsgroup-dormant)
8716 ;; If this is "fetch-old-headered" and there is no
8717 ;; visible children, then we don't want this article.
8718 (and (or (eq gnus-fetch-old-headers 'some)
8719 (numberp gnus-fetch-old-headers))
8720 (gnus-summary-article-ancient-p number)
8722 ;; If this is "fetch-old-headered" and `invisible', then
8723 ;; we don't want this article.
8724 (and (eq gnus-fetch-old-headers 'invisible)
8725 (gnus-summary-article-ancient-p number))
8726 ;; If this is a sparsely inserted article with no children,
8727 ;; we don't want it.
8728 (and (eq gnus-build-sparse-threads 'some)
8729 (gnus-summary-article-sparse-p number)
8731 ;; If we use expunging, and this article is really
8732 ;; low-scored, then we don't want this article.
8733 (when (and gnus-summary-expunge-below
8735 (or (cdr (assq number gnus-newsgroup-scored))
8736 gnus-summary-default-score))
8737 gnus-summary-expunge-below))
8738 ;; We increase the expunge-tally here, but that has
8739 ;; nothing to do with the limits, really.
8740 (incf gnus-newsgroup-expunged-tally)
8741 ;; We also mark as read here, if that's wanted.
8742 (when (and gnus-summary-mark-below
8743 (< score gnus-summary-mark-below))
8744 (setq gnus-newsgroup-unreads
8745 (delq number gnus-newsgroup-unreads))
8746 (if gnus-newsgroup-auto-expire
8747 (push number gnus-newsgroup-expirable)
8748 (push (cons number gnus-low-score-mark)
8749 gnus-newsgroup-reads)))
8751 ;; Do the `display' group parameter.
8752 (and gnus-newsgroup-display
8753 (not (funcall gnus-newsgroup-display)))
8754 ;; Check NoCeM things.
8755 (when (and gnus-use-nocem
8756 (gnus-nocem-unwanted-article-p
8757 (mail-header-id (car thread))))
8758 (setq gnus-newsgroup-unreads
8759 (delq number gnus-newsgroup-unreads))
8761 ;; Nope, invisible article.
8763 ;; Ok, this article is to be visible, so we add it to the limit
8765 (push number gnus-newsgroup-limit)
8768 (defun gnus-expunge-thread (thread)
8769 "Mark all articles in THREAD as read."
8770 (let* ((number (mail-header-number (car thread))))
8771 (incf gnus-newsgroup-expunged-tally)
8772 ;; We also mark as read here, if that's wanted.
8773 (setq gnus-newsgroup-unreads
8774 (delq number gnus-newsgroup-unreads))
8775 (if gnus-newsgroup-auto-expire
8776 (push number gnus-newsgroup-expirable)
8777 (push (cons number gnus-low-score-mark)
8778 gnus-newsgroup-reads)))
8779 ;; Go recursively through all subthreads.
8780 (mapcar 'gnus-expunge-thread (cdr thread)))
8782 ;; Summary article oriented commands
8784 (defun gnus-summary-refer-parent-article (n)
8785 "Refer parent article N times.
8786 If N is negative, go to ancestor -N instead.
8787 The difference between N and the number of articles fetched is returned."
8791 (when (not (natnump n))
8796 (setq header (gnus-summary-article-header))
8797 (if (and (eq (mail-header-number header)
8798 (cdr gnus-article-current))
8799 (equal gnus-newsgroup-name
8800 (car gnus-article-current)))
8801 ;; If we try to find the parent of the currently
8802 ;; displayed article, then we take a look at the actual
8803 ;; References header, since this is slightly more
8804 ;; reliable than the References field we got from the
8806 (with-current-buffer gnus-original-article-buffer
8807 (nnheader-narrow-to-headers)
8808 (unless (setq ref (message-fetch-field "references"))
8809 (when (setq ref (message-fetch-field "in-reply-to"))
8810 (setq ref (gnus-extract-message-id-from-in-reply-to ref))))
8813 ;; It's not the current article, so we take a bet on
8814 ;; the value we got from the server.
8815 (mail-header-references header)))
8817 (not (equal ref "")))
8818 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
8819 (gnus-message 1 "Couldn't find parent"))
8820 (gnus-message 1 "No references in article %d"
8821 (gnus-summary-article-number))
8824 (gnus-summary-position-point)
8827 (defun gnus-summary-refer-references ()
8828 "Fetch all articles mentioned in the References header.
8829 Return the number of articles fetched."
8831 (let ((ref (mail-header-references (gnus-summary-article-header)))
8832 (current (gnus-summary-article-number))
8836 (error "No References in the current article")
8837 ;; For each Message-ID in the References header...
8838 (while (string-match "<[^>]*>" ref)
8840 ;; ... fetch that article.
8841 (gnus-summary-refer-article
8842 (prog1 (match-string 0 ref)
8843 (setq ref (substring ref (match-end 0))))))
8844 (gnus-summary-goto-subject current)
8845 (gnus-summary-position-point)
8848 (defun gnus-summary-refer-thread (&optional limit)
8849 "Fetch all articles in the current thread.
8850 If LIMIT (the numerical prefix), fetch that many old headers instead
8851 of what's specified by the `gnus-refer-thread-limit' variable."
8853 (let ((id (mail-header-id (gnus-summary-article-header)))
8854 (limit (if limit (prefix-numeric-value limit)
8855 gnus-refer-thread-limit)))
8856 (unless (eq gnus-fetch-old-headers 'invisible)
8857 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
8858 ;; Retrieve the headers and read them in.
8859 (if (eq (if (numberp limit)
8860 (gnus-retrieve-headers
8862 (+ (mail-header-number
8863 (gnus-summary-article-header))
8865 gnus-newsgroup-end))
8866 gnus-newsgroup-name (* limit 2))
8867 ;; gnus-refer-thread-limit is t, i.e. fetch _all_
8869 (gnus-retrieve-headers (list gnus-newsgroup-end)
8870 gnus-newsgroup-name limit))
8872 (gnus-build-all-threads)
8873 (error "Can't fetch thread from back ends that don't support NOV"))
8874 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
8875 (gnus-summary-limit-include-thread id)))
8877 (defun gnus-summary-refer-article (message-id)
8878 "Fetch an article specified by MESSAGE-ID."
8879 (interactive "sMessage-ID: ")
8880 (when (and (stringp message-id)
8881 (not (zerop (length message-id))))
8882 (setq message-id (gnus-replace-in-string message-id " " ""))
8883 ;; Construct the correct Message-ID if necessary.
8884 ;; Suggested by tale@pawl.rpi.edu.
8885 (unless (string-match "^<" message-id)
8886 (setq message-id (concat "<" message-id)))
8887 (unless (string-match ">$" message-id)
8888 (setq message-id (concat message-id ">")))
8889 ;; People often post MIDs from URLs, so unhex it:
8890 (unless (string-match "@" message-id)
8891 (setq message-id (gnus-url-unhex-string message-id)))
8892 (let* ((header (gnus-id-to-header message-id))
8894 (gnus-summary-article-sparse-p
8895 (mail-header-number header))
8896 (memq (mail-header-number header)
8897 gnus-newsgroup-limit)))
8900 ;; If the article is present in the buffer we just go to it.
8902 (or (not (gnus-summary-article-sparse-p
8903 (mail-header-number header)))
8906 (gnus-summary-goto-article
8907 (mail-header-number header) nil t)
8909 (gnus-summary-update-article (mail-header-number header)))))
8911 ;; We fetch the article.
8913 (dolist (gnus-override-method (gnus-refer-article-methods))
8914 (when (and (gnus-check-server gnus-override-method)
8915 ;; Fetch the header,
8916 (setq number (gnus-summary-insert-subject message-id)))
8917 ;; and display the article.
8918 (gnus-summary-select-article nil nil nil number)
8920 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
8922 (defun gnus-refer-article-methods ()
8923 "Return a list of referable methods."
8925 ;; No method, so we default to current and native.
8926 ((null gnus-refer-article-method)
8927 (list gnus-current-select-method gnus-select-method))
8929 ((eq 'current gnus-refer-article-method)
8930 (list gnus-current-select-method))
8931 ;; List of select methods.
8932 ((not (and (symbolp (car gnus-refer-article-method))
8933 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
8935 (dolist (method gnus-refer-article-method)
8936 (push (if (eq 'current method)
8937 gnus-current-select-method
8941 ;; One single select method.
8943 (list gnus-refer-article-method))))
8945 (defun gnus-summary-edit-parameters ()
8946 "Edit the group parameters of the current group."
8948 (gnus-group-edit-group gnus-newsgroup-name 'params))
8950 (defun gnus-summary-customize-parameters ()
8951 "Customize the group parameters of the current group."
8953 (gnus-group-customize gnus-newsgroup-name))
8955 (defun gnus-summary-enter-digest-group (&optional force)
8956 "Enter an nndoc group based on the current article.
8957 If FORCE, force a digest interpretation. If not, try
8958 to guess what the document format is."
8960 (let ((conf gnus-current-window-configuration))
8961 (save-window-excursion
8963 (let (gnus-article-prepare-hook
8964 gnus-display-mime-function
8966 (gnus-summary-select-article))))
8967 (setq gnus-current-window-configuration conf)
8968 (let* ((name (format "%s-%d"
8969 (gnus-group-prefixed-name
8970 gnus-newsgroup-name (list 'nndoc ""))
8971 (with-current-buffer gnus-summary-buffer
8972 gnus-current-article)))
8973 (ogroup gnus-newsgroup-name)
8974 (params (append (gnus-info-params (gnus-get-info ogroup))
8975 (list (cons 'to-group ogroup))
8976 (list (cons 'parent-group ogroup))
8977 (list (cons 'save-article-group ogroup))))
8978 (case-fold-search t)
8979 (buf (current-buffer))
8981 (with-current-buffer gnus-original-article-buffer
8982 ;; Have the digest group inherit the main mail address of
8983 ;; the parent article.
8984 (when (setq to-address (or (gnus-fetch-field "reply-to")
8985 (gnus-fetch-field "from")))
8988 (list (cons 'to-address
8989 (funcall gnus-decode-encoded-address-function
8991 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
8992 (insert-buffer-substring gnus-original-article-buffer)
8993 ;; Remove lines that may lead nndoc to misinterpret the
8996 (goto-char (point-min))
8997 (or (search-forward "\n\n" nil t) (point)))
8998 (goto-char (point-min))
8999 (delete-matching-lines "^Path:\\|^From ")
9002 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
9003 (gnus-newsgroup-ephemeral-ignored-charsets
9004 gnus-newsgroup-ignored-charsets))
9005 (gnus-group-read-ephemeral-group
9006 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
9008 ,(if force 'mbox 'guess)))
9010 `((adapt-file . ,(gnus-score-file-name gnus-newsgroup-name
9012 ;; Make all postings to this group go to the parent group.
9013 (nconc (gnus-info-params (gnus-get-info name))
9015 ;; Couldn't select this doc group.
9016 (switch-to-buffer buf)
9017 (gnus-set-global-variables)
9018 (gnus-configure-windows 'summary)
9019 (gnus-message 3 "Article couldn't be entered?"))
9020 (kill-buffer dig)))))
9022 (defun gnus-summary-read-document (n)
9023 "Open a new group based on the current article(s).
9024 This will allow you to read digests and other similar
9025 documents as newsgroups.
9026 Obeys the standard process/prefix convention."
9028 (let* ((ogroup gnus-newsgroup-name)
9029 (params (append (gnus-info-params (gnus-get-info ogroup))
9030 (list (cons 'to-group ogroup))))
9031 group egroup groups vgroup)
9032 (dolist (article (gnus-summary-work-articles n))
9033 (setq group (format "%s-%d" gnus-newsgroup-name article))
9034 (gnus-summary-remove-process-mark article)
9035 (when (gnus-summary-display-article article)
9036 (save-excursion ;;What for?
9038 (insert-buffer-substring gnus-original-article-buffer)
9039 ;; Remove some headers that may lead nndoc to make
9041 (message-narrow-to-head)
9042 (goto-char (point-min))
9043 (delete-matching-lines "^Path:\\|^From ")
9046 (gnus-group-read-ephemeral-group
9047 group `(nndoc ,group (nndoc-address ,(current-buffer))
9048 (nndoc-article-type guess))
9051 ;; Make all postings to this group go to the parent group.
9052 (nconc (gnus-info-params (gnus-get-info egroup))
9054 (push egroup groups))
9055 ;; Couldn't select this doc group.
9056 (gnus-error 3 "Article couldn't be entered"))))))
9057 ;; Now we have selected all the documents.
9060 (error "None of the articles could be interpreted as documents"))
9061 ((gnus-group-read-ephemeral-group
9062 (setq vgroup (format
9063 "nnvirtual:%s-%s" gnus-newsgroup-name
9064 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
9065 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
9067 (cons (current-buffer) 'summary)))
9069 (error "Couldn't select virtual nndoc group")))))
9071 (defun gnus-summary-isearch-article (&optional regexp-p)
9072 "Do incremental search forward on the current article.
9073 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
9075 (gnus-summary-select-article)
9076 (gnus-configure-windows 'article)
9077 (gnus-eval-in-buffer-window gnus-article-buffer
9080 (isearch-forward regexp-p))))
9082 (defun gnus-summary-repeat-search-article-forward ()
9083 "Repeat the previous search forwards."
9085 (unless gnus-last-search-regexp
9086 (error "No previous search"))
9087 (gnus-summary-search-article-forward gnus-last-search-regexp))
9089 (defun gnus-summary-repeat-search-article-backward ()
9090 "Repeat the previous search backwards."
9092 (unless gnus-last-search-regexp
9093 (error "No previous search"))
9094 (gnus-summary-search-article-forward gnus-last-search-regexp t))
9096 (defun gnus-summary-search-article-forward (regexp &optional backward)
9097 "Search for an article containing REGEXP forward.
9098 If BACKWARD, search backward instead."
9101 (format "Search article %s (regexp%s): "
9102 (if current-prefix-arg "backward" "forward")
9103 (if gnus-last-search-regexp
9104 (concat ", default " gnus-last-search-regexp)
9106 current-prefix-arg))
9107 (if (string-equal regexp "")
9108 (setq regexp (or gnus-last-search-regexp ""))
9109 (setq gnus-last-search-regexp regexp)
9110 (setq gnus-article-before-search gnus-current-article))
9111 ;; Intentionally set gnus-last-article.
9112 (setq gnus-last-article gnus-article-before-search)
9113 (let ((gnus-last-article gnus-last-article))
9114 (if (gnus-summary-search-article regexp backward)
9115 (gnus-summary-show-thread)
9116 (signal 'search-failed (list regexp)))))
9118 (defun gnus-summary-search-article-backward (regexp)
9119 "Search for an article containing REGEXP backward."
9122 (format "Search article backward (regexp%s): "
9123 (if gnus-last-search-regexp
9124 (concat ", default " gnus-last-search-regexp)
9126 (gnus-summary-search-article-forward regexp 'backward))
9128 (defun gnus-summary-search-article (regexp &optional backward)
9129 "Search for an article containing REGEXP.
9130 Optional argument BACKWARD means do search for backward.
9131 `gnus-select-article-hook' is not called during the search."
9132 ;; We have to require this here to make sure that the following
9133 ;; dynamic binding isn't shadowed by autoloading.
9134 (require 'gnus-async)
9136 (let ((gnus-select-article-hook nil) ;Disable hook.
9137 (gnus-article-prepare-hook nil)
9138 (gnus-mark-article-hook nil) ;Inhibit marking as read.
9139 (gnus-use-article-prefetch nil)
9140 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
9141 (gnus-use-trees nil) ;Inhibit updating tree buffer.
9143 (gnus-keep-backlog nil)
9144 (gnus-break-pages nil)
9145 (gnus-summary-display-arrow nil)
9146 (gnus-updated-mode-lines nil)
9147 (gnus-auto-center-summary nil)
9148 (sum (current-buffer))
9149 (gnus-display-mime-function nil)
9152 (gnus-save-hidden-threads
9153 (gnus-summary-select-article)
9154 (set-buffer gnus-article-buffer)
9155 (goto-char (window-point (get-buffer-window (current-buffer))))
9159 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
9161 (re-search-backward regexp nil t)
9162 (re-search-forward regexp nil t))
9163 ;; We found the regexp.
9168 (get-buffer-window (current-buffer))
9172 (get-buffer-window (current-buffer))
9175 (setq point (point)))
9176 ;; We didn't find it, so we go to the next article.
9179 (while (eq found 'not)
9180 (if (not (if backward (gnus-summary-find-prev)
9181 (gnus-summary-find-next)))
9182 ;; No more articles.
9184 ;; Select the next article and adjust point.
9185 (unless (gnus-summary-article-sparse-p
9186 (gnus-summary-article-number))
9188 (gnus-summary-select-article)
9189 (set-buffer gnus-article-buffer)
9191 (goto-char (if backward (point-max) (point-min))))))))
9192 (gnus-message 7 ""))
9193 ;; Return whether we found the regexp.
9194 (when (eq found 'found)
9196 (gnus-summary-show-thread)
9197 (gnus-summary-goto-subject gnus-current-article)
9198 (gnus-summary-position-point)
9201 (defun gnus-find-matching-articles (header regexp)
9202 "Return a list of all articles that match REGEXP on HEADER.
9203 This search includes all articles in the current group that Gnus has
9204 fetched headers for, whether they are displayed or not."
9205 (let ((articles nil)
9206 ;; Can't eta-reduce because it's a macro.
9207 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
9208 (case-fold-search t))
9209 (dolist (header gnus-newsgroup-headers)
9210 (when (string-match regexp (funcall func header))
9211 (push (mail-header-number header) articles)))
9212 (nreverse articles)))
9214 (defun gnus-summary-find-matching (header regexp &optional backward unread
9215 not-case-fold not-matching)
9216 "Return a list of all articles that match REGEXP on HEADER.
9217 The search stars on the current article and goes forwards unless
9218 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
9219 If UNREAD is non-nil, only unread articles will
9220 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
9221 in the comparisons. If NOT-MATCHING, return a list of all articles that
9222 not match REGEXP on HEADER."
9223 (let ((case-fold-search (not not-case-fold))
9226 (if (eq (car header) 'extra)
9229 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
9231 (error "%s is an invalid header" header))
9232 (unless (fboundp (intern (concat "mail-header-" header)))
9233 (error "%s is not a valid header" header))
9234 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
9235 (dolist (d (if (eq backward 'all)
9237 (gnus-data-find-list
9238 (gnus-summary-article-number)
9239 (gnus-data-list backward))))
9240 (when (and (or (not unread) ; We want all articles...
9241 (gnus-data-unread-p d)) ; Or just unreads.
9242 (vectorp (gnus-data-header d)) ; It's not a pseudo.
9246 (funcall func (gnus-data-header d))))
9247 (string-match regexp
9248 (funcall func (gnus-data-header d)))))
9249 (push (gnus-data-number d) articles))) ; Success!
9250 (nreverse articles)))
9252 (defun gnus-summary-execute-command (header regexp command &optional backward)
9253 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
9254 If HEADER is an empty string (or nil), the match is done on the entire
9255 article. If BACKWARD (the prefix) is non-nil, search backward instead."
9257 (list (let ((completion-ignore-case t))
9260 (mapcar (lambda (header) (list (format "%s" header)))
9262 '("Number" "Subject" "From" "Lines" "Date"
9263 "Message-ID" "Xref" "References" "Body")
9264 gnus-extra-headers))
9265 nil 'require-match))
9266 (read-string "Regexp: ")
9267 (read-key-sequence "Command: ")
9268 current-prefix-arg))
9269 (when (equal header "Body")
9271 ;; Hidden thread subtrees must be searched as well.
9272 (gnus-summary-show-all-threads)
9273 ;; We don't want to change current point nor window configuration.
9275 (save-window-excursion
9277 gnus-treat-strip-trailing-blank-lines
9278 gnus-treat-strip-leading-blank-lines
9279 gnus-treat-strip-multiple-blank-lines
9280 gnus-treat-hide-boring-headers
9281 gnus-treat-fold-newsgroups
9282 gnus-article-prepare-hook)
9283 (gnus-message 6 "Executing %s..." (key-description command))
9284 ;; We'd like to execute COMMAND interactively so as to give arguments.
9285 (gnus-execute header regexp
9286 `(call-interactively ',(key-binding command))
9288 (gnus-message 6 "Executing %s...done" (key-description command))))))
9290 (defun gnus-summary-beginning-of-article ()
9291 "Scroll the article back to the beginning."
9293 (gnus-summary-select-article)
9294 (gnus-configure-windows 'article)
9295 (gnus-eval-in-buffer-window gnus-article-buffer
9297 (goto-char (point-min))
9298 (when gnus-break-pages
9299 (gnus-narrow-to-page))))
9301 (defun gnus-summary-end-of-article ()
9302 "Scroll to the end of the article."
9304 (gnus-summary-select-article)
9305 (gnus-configure-windows 'article)
9306 (gnus-eval-in-buffer-window gnus-article-buffer
9308 (goto-char (point-max))
9310 (when gnus-break-pages
9311 (gnus-narrow-to-page))))
9313 (defun gnus-summary-print-truncate-and-quote (string &optional len)
9314 "Truncate to LEN and quote all \"(\"'s in STRING."
9315 (gnus-replace-in-string (if (and len (> (length string) len))
9316 (substring string 0 len)
9320 (defun gnus-summary-print-article (&optional filename n)
9321 "Generate and print a PostScript image of the process-marked (mail) articles.
9323 If used interactively, print the current article if none are
9324 process-marked. With prefix arg, prompt the user for the name of the
9327 When used from Lisp, accept two optional args FILENAME and N. N means
9328 to print the next N articles. If N is negative, print the N previous
9329 articles. If N is nil and articles have been marked with the process
9330 mark, print these instead.
9332 If the optional first argument FILENAME is nil, send the image to the
9333 printer. If FILENAME is a string, save the PostScript image in a file with
9334 that name. If FILENAME is a number, prompt the user for the name of the file
9336 (interactive (list (ps-print-preprint current-prefix-arg)))
9337 (dolist (article (gnus-summary-work-articles n))
9338 (gnus-summary-select-article nil nil 'pseudo article)
9339 (gnus-eval-in-buffer-window gnus-article-buffer
9340 (gnus-print-buffer))
9341 (gnus-summary-remove-process-mark article))
9342 (ps-despool filename))
9344 (defun gnus-print-buffer ()
9345 (let ((buffer (generate-new-buffer " *print*")))
9348 (copy-to-buffer buffer (point-min) (point-max))
9350 (gnus-remove-text-with-property 'gnus-decoration)
9351 (when (gnus-visual-p 'article-highlight 'highlight)
9352 ;; Copy-to-buffer doesn't copy overlay. So redo
9354 (let ((gnus-article-buffer buffer))
9355 (gnus-article-highlight-citation t)
9356 (gnus-article-highlight-signature)
9357 (gnus-article-emphasize)
9358 (gnus-article-delete-invisible-text)))
9359 (let ((ps-left-header
9362 (gnus-summary-print-truncate-and-quote
9363 (mail-header-subject gnus-current-headers)
9366 (gnus-summary-print-truncate-and-quote
9367 (mail-header-from gnus-current-headers)
9371 "/pagenumberstring load"
9373 (mail-header-date gnus-current-headers) ")"))))
9374 (gnus-run-hooks 'gnus-ps-print-hook)
9376 (if ps-print-color-p
9377 (ps-spool-buffer-with-faces)
9378 (ps-spool-buffer)))))
9379 (kill-buffer buffer))))
9381 (defun gnus-summary-show-article (&optional arg)
9382 "Force redisplaying of the current article.
9383 If ARG (the prefix) is a number, show the article with the charset
9384 defined in `gnus-summary-show-article-charset-alist', or the charset
9386 If ARG (the prefix) is non-nil and not a number, show the raw article
9387 without any article massaging functions being run. Normally, the key
9388 strokes are `C-u g'."
9392 (gnus-summary-show-article t)
9393 (let ((gnus-newsgroup-charset
9394 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
9395 (mm-read-coding-system
9396 "View as charset: " ;; actually it is coding system.
9397 (with-current-buffer gnus-article-buffer
9398 (mm-detect-coding-region (point) (point-max))))))
9399 (gnus-newsgroup-ignored-charsets 'gnus-all))
9400 (gnus-summary-select-article nil 'force)
9401 (let ((deps gnus-newsgroup-dependencies)
9403 (with-current-buffer gnus-original-article-buffer
9405 (message-narrow-to-head)
9406 (setq head (buffer-string))
9407 (goto-char (point-min))
9408 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
9409 (goto-char (point-max))
9411 (setq lines (1- (count-lines (point) (point-max))))))
9413 (insert (format "211 %d Article retrieved.\n"
9414 (cdr gnus-article-current)))
9416 (if lines (insert (format "Lines: %d\n" lines)))
9418 (let ((nntp-server-buffer (current-buffer)))
9419 (setq header (car (gnus-get-newsgroup-headers deps t))))))
9420 (gnus-data-set-header
9421 (gnus-data-find (cdr gnus-article-current))
9423 (gnus-summary-update-article-line
9424 (cdr gnus-article-current) header)
9425 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9426 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
9428 ;; Select the article the normal way.
9429 (gnus-summary-select-article nil 'force))
9431 ;; We have to require this here to make sure that the following
9432 ;; dynamic binding isn't shadowed by autoloading.
9433 (require 'gnus-async)
9435 ;; Bind the article treatment functions to nil.
9436 (let ((gnus-have-all-headers t)
9437 gnus-article-prepare-hook
9438 gnus-article-decode-hook
9439 gnus-display-mime-function
9441 ;; Destroy any MIME parts.
9442 (when (gnus-buffer-live-p gnus-article-buffer)
9443 (with-current-buffer gnus-article-buffer
9444 (mm-destroy-parts gnus-article-mime-handles)
9445 ;; Set it to nil for safety reason.
9446 (setq gnus-article-mime-handle-alist nil)
9447 (setq gnus-article-mime-handles nil)))
9448 (gnus-summary-select-article nil 'force))))
9449 (gnus-summary-goto-subject gnus-current-article)
9450 (gnus-summary-position-point))
9452 (defun gnus-summary-show-raw-article ()
9453 "Show the raw article without any article massaging functions being run."
9455 (gnus-summary-show-article t))
9457 (defun gnus-summary-verbose-headers (&optional arg)
9458 "Toggle permanent full header display.
9459 If ARG is a positive number, turn header display on.
9460 If ARG is a negative number, turn header display off."
9462 (setq gnus-show-all-headers
9463 (cond ((or (not (numberp arg))
9465 (not gnus-show-all-headers))
9468 (gnus-summary-show-article))
9470 (defun gnus-summary-toggle-header (&optional arg)
9471 "Show the headers if they are hidden, or hide them if they are shown.
9472 If ARG is a positive number, show the entire header.
9473 If ARG is a negative number, hide the unwanted header lines."
9475 (let ((window (and (gnus-buffer-live-p gnus-article-buffer)
9476 (get-buffer-window gnus-article-buffer t))))
9477 (with-current-buffer gnus-article-buffer
9479 (article-narrow-to-head)
9480 (let* ((inhibit-read-only t)
9481 (inhibit-point-motion-hooks t)
9482 (hidden (if (numberp arg)
9484 (or (not (looking-at "[^ \t\n]+:"))
9485 (gnus-article-hidden-text-p 'headers))))
9487 (delete-region (point-min) (point-max))
9488 (with-current-buffer gnus-original-article-buffer
9489 (goto-char (setq s (point-min)))
9490 (setq e (if (search-forward "\n\n" nil t)
9493 (insert-buffer-substring gnus-original-article-buffer s e)
9494 (run-hooks 'gnus-article-decode-hook)
9496 (let ((gnus-treat-hide-headers nil)
9497 (gnus-treat-hide-boring-headers nil))
9498 (gnus-delete-wash-type 'headers)
9499 (gnus-treat-article 'head))
9500 (gnus-treat-article 'head))
9503 (set-window-start window (goto-char (point-min))))
9504 (if gnus-break-pages
9505 (gnus-narrow-to-page)
9506 (when (gnus-visual-p 'page-marker)
9507 (let ((inhibit-read-only t))
9508 (gnus-remove-text-with-property 'gnus-prev)
9509 (gnus-remove-text-with-property 'gnus-next))))
9510 (gnus-set-mode-line 'article)))))
9512 (defun gnus-summary-show-all-headers ()
9513 "Make all header lines visible."
9515 (gnus-summary-toggle-header 1))
9517 (defun gnus-summary-caesar-message (&optional arg)
9518 "Caesar rotate the current article by 13.
9519 With a non-numerical prefix, also rotate headers. A numerical
9520 prefix specifies how many places to rotate each letter forward."
9522 (gnus-summary-select-article)
9523 (let ((mail-header-separator ""))
9524 (gnus-eval-in-buffer-window gnus-article-buffer
9527 (let ((start (window-start))
9528 (inhibit-read-only t))
9529 (if (equal arg '(4))
9530 (message-caesar-buffer-body nil t)
9531 (message-caesar-buffer-body arg))
9532 (set-window-start (get-buffer-window (current-buffer)) start)))))
9533 ;; Create buttons and stuff...
9534 (gnus-treat-article nil))
9536 (declare-function idna-to-unicode "ext:idna" (str))
9538 (defun gnus-summary-idna-message (&optional arg)
9539 "Decode IDNA encoded domain names in the current articles.
9540 IDNA encoded domain names looks like `xn--bar'. If a string
9541 remain unencoded after running this function, it is likely an
9542 invalid IDNA string (`xn--bar' is invalid).
9544 You must have GNU Libidn (URL `http://www.gnu.org/software/libidn/')
9545 installed for this command to work."
9547 (if (not (and (condition-case nil (require 'idna)
9549 (mm-coding-system-p 'utf-8)
9550 (executable-find (symbol-value 'idna-program))))
9552 5 "GNU Libidn not installed properly (`idn' or `idna.el' missing)")
9553 (gnus-summary-select-article)
9554 (let ((mail-header-separator ""))
9555 (gnus-eval-in-buffer-window gnus-article-buffer
9558 (let ((start (window-start))
9560 (while (re-search-forward "\\(xn--[-0-9a-z]+\\)" nil t)
9561 (replace-match (idna-to-unicode (match-string 1))))
9562 (set-window-start (get-buffer-window (current-buffer)) start)))))))
9564 (defun gnus-summary-morse-message (&optional arg)
9565 "Morse decode the current article."
9567 (gnus-summary-select-article)
9568 (let ((mail-header-separator ""))
9569 (gnus-eval-in-buffer-window gnus-article-buffer
9573 (let ((pos (window-start))
9574 (inhibit-read-only t))
9575 (goto-char (point-min))
9576 (when (message-goto-body)
9577 (gnus-narrow-to-body))
9578 (goto-char (point-min))
9579 (while (search-forward "·" (point-max) t)
9580 (replace-match "."))
9581 (unmorse-region (point-min) (point-max))
9583 (set-window-start (get-buffer-window (current-buffer)) pos)))))))
9585 (defun gnus-summary-stop-page-breaking ()
9586 "Stop page breaking in the current article."
9588 (gnus-summary-select-article)
9589 (gnus-eval-in-buffer-window gnus-article-buffer
9591 (when (gnus-visual-p 'page-marker)
9592 (let ((inhibit-read-only t))
9593 (gnus-remove-text-with-property 'gnus-prev)
9594 (gnus-remove-text-with-property 'gnus-next))
9595 (setq gnus-page-broken nil))))
9597 (defun gnus-summary-move-article (&optional n to-newsgroup
9598 select-method action)
9599 "Move the current article to a different newsgroup.
9600 If N is a positive number, move the N next articles.
9601 If N is a negative number, move the N previous articles.
9602 If N is nil and any articles have been marked with the process mark,
9603 move those articles instead.
9604 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
9605 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9606 re-spool using this method.
9608 When called interactively with TO-NEWSGROUP being nil, the value of
9609 the variable `gnus-move-split-methods' is used for finding a default
9610 for the target newsgroup.
9612 For this function to work, both the current newsgroup and the
9613 newsgroup that you want to move to have to support the `request-move'
9614 and `request-accept' functions.
9616 ACTION can be either `move' (the default), `crosspost' or `copy'."
9619 (setq action 'move))
9620 ;; Check whether the source group supports the required functions.
9621 (cond ((and (eq action 'move)
9622 (not (gnus-check-backend-function
9623 'request-move-article gnus-newsgroup-name)))
9624 (error "The current group does not support article moving"))
9625 ((and (eq action 'crosspost)
9626 (not (gnus-check-backend-function
9627 'request-replace-article gnus-newsgroup-name)))
9628 (error "The current group does not support article editing")))
9629 (let ((articles (gnus-summary-work-articles n))
9630 (prefix (if (gnus-check-backend-function
9631 'request-move-article gnus-newsgroup-name)
9632 (funcall gnus-move-group-prefix-function
9633 gnus-newsgroup-name)
9635 (names '((move "Move" "Moving")
9636 (copy "Copy" "Copying")
9637 (crosspost "Crosspost" "Crossposting")))
9638 (copy-buf (save-excursion
9639 (nnheader-set-temp-buffer " *copy article*")))
9640 art-group to-method new-xref article to-groups
9641 articles-to-update-marks encoded)
9642 (unless (assq action names)
9643 (error "Unknown action %s" action))
9644 ;; Read the newsgroup name.
9645 (when (and (not to-newsgroup)
9646 (not select-method))
9647 (if (and gnus-move-split-methods
9649 (and (memq gnus-current-article articles)
9650 (gnus-buffer-live-p gnus-original-article-buffer))))
9651 ;; When `gnus-move-split-methods' is non-nil, we have to
9652 ;; select an article to give `gnus-read-move-group-name' an
9653 ;; opportunity to suggest an appropriate default. However,
9654 ;; we needn't render or mark the article.
9655 (let ((gnus-display-mime-function nil)
9656 (gnus-article-prepare-hook nil)
9657 (gnus-mark-article-hook nil))
9658 (gnus-summary-select-article nil nil nil (car articles))))
9659 (setq to-newsgroup (gnus-read-move-group-name
9660 (cadr (assq action names))
9662 (intern (format "gnus-current-%s-group" action)))
9664 encoded to-newsgroup
9665 to-method (gnus-server-to-method (gnus-group-method to-newsgroup)))
9666 (set (intern (format "gnus-current-%s-group" action))
9667 (mm-decode-coding-string
9669 (gnus-group-name-charset to-method to-newsgroup))))
9671 (setq to-method (or select-method
9672 (gnus-server-to-method
9673 (gnus-group-method to-newsgroup)))))
9677 (mm-encode-coding-string
9679 (gnus-group-name-charset to-method to-newsgroup)))))
9680 ;; Check the method we are to move this article to...
9681 (unless (gnus-check-backend-function
9682 'request-accept-article (car to-method))
9683 (error "%s does not support article copying" (car to-method)))
9684 (unless (gnus-check-server to-method)
9685 (error "Can't open server %s" (car to-method)))
9686 (gnus-message 6 "%s to %s: %s..."
9687 (caddr (assq action names))
9688 (or (car select-method)
9689 (gnus-group-decoded-name to-newsgroup))
9692 (setq article (pop articles))
9696 ;; Move the article.
9698 ;; Remove this article from future suppression.
9699 (gnus-dup-unsuppress-article article)
9700 (let* ((from-method (gnus-find-method-for-group
9701 gnus-newsgroup-name))
9702 (to-method (or select-method
9703 (gnus-find-method-for-group to-newsgroup)))
9704 (move-is-internal (gnus-server-equal from-method to-method)))
9705 (gnus-request-move-article
9706 article ; Article to move
9707 gnus-newsgroup-name ; From newsgroup
9708 (nth 1 (gnus-find-method-for-group
9709 gnus-newsgroup-name)) ; Server
9710 (list 'gnus-request-accept-article
9711 to-newsgroup (list 'quote select-method)
9712 (not articles) t) ; Accept form
9713 (not articles) ; Only save nov last time
9714 (and move-is-internal
9715 to-newsgroup ; Not respooling
9716 (gnus-group-real-name to-newsgroup))))) ; Is this move internal?
9717 ;; Copy the article.
9719 (with-current-buffer copy-buf
9720 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
9722 (nnheader-narrow-to-headers)
9723 (dolist (hdr gnus-copy-article-ignored-headers)
9724 (message-remove-header hdr t)))
9725 (gnus-request-accept-article
9726 to-newsgroup select-method (not articles) t))))
9727 ;; Crosspost the article.
9728 ((eq action 'crosspost)
9729 (let ((xref (message-tokenize-header
9730 (mail-header-xref (gnus-summary-article-header article))
9732 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
9733 ":" (number-to-string article)))
9735 (setq xref (list (system-name))))
9738 (mapconcat 'identity
9739 (delete "Xref:" (delete new-xref xref))
9742 (with-current-buffer copy-buf
9743 ;; First put the article in the destination group.
9744 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9745 (when (consp (setq art-group
9746 (gnus-request-accept-article
9747 to-newsgroup select-method (not articles) t)))
9748 (setq new-xref (concat new-xref " " (car art-group)
9750 (number-to-string (cdr art-group))))
9751 ;; Now we have the new Xrefs header, so we insert
9752 ;; it and replace the new article.
9753 (nnheader-replace-header "Xref" new-xref)
9754 (gnus-request-replace-article
9755 (cdr art-group) to-newsgroup (current-buffer) t)
9759 (gnus-message 1 "Couldn't %s article %s: %s"
9760 (cadr (assq action names)) article
9761 (nnheader-get-report (car to-method))))
9762 ((eq art-group 'junk)
9763 (when (eq action 'move)
9764 (gnus-summary-mark-article article gnus-canceled-mark)
9765 (gnus-message 4 "Deleted article %s" article)
9766 ;; run the delete hook
9767 (run-hook-with-args 'gnus-summary-article-delete-hook
9770 (assoc article (gnus-data-list nil)))
9771 gnus-newsgroup-name nil
9774 (let* ((pto-group (gnus-group-prefixed-name
9775 (car art-group) to-method))
9776 (info (gnus-get-info pto-group))
9777 (to-group (gnus-info-group info))
9779 ;; Update the group that has been moved to.
9781 (memq action '(move copy)))
9782 (unless (member to-group to-groups)
9783 (push to-group to-groups))
9785 (unless (memq article gnus-newsgroup-unreads)
9786 (push 'read to-marks)
9788 info (gnus-add-to-range (gnus-info-read info)
9789 (list (cdr art-group)))))
9791 ;; See whether the article is to be put in the cache.
9792 (let* ((expirable (gnus-group-auto-expirable-p to-group))
9793 (marks (if expirable
9794 gnus-article-mark-lists
9795 (delete '(expirable . expire)
9796 (copy-sequence gnus-article-mark-lists))))
9797 (to-article (cdr art-group)))
9799 ;; Enter the article into the cache in the new group,
9800 ;; if that is required.
9801 (when gnus-use-cache
9802 (gnus-cache-possibly-enter-article
9804 (memq article gnus-newsgroup-marked)
9805 (memq article gnus-newsgroup-dormant)
9806 (memq article gnus-newsgroup-unreads)))
9808 (when gnus-preserve-marks
9809 ;; Copy any marks over to the new group.
9810 (when (and (equal to-group gnus-newsgroup-name)
9811 (not (memq article gnus-newsgroup-unreads)))
9812 ;; Mark this article as read in this group.
9813 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
9814 (setcdr (gnus-active to-group) to-article)
9815 (setcdr gnus-newsgroup-active to-article))
9818 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
9819 (when (memq article (symbol-value
9820 (intern (format "gnus-newsgroup-%s"
9822 (push (cdar marks) to-marks)
9823 ;; If the other group is the same as this group,
9824 ;; then we have to add the mark to the list.
9825 (when (equal to-group gnus-newsgroup-name)
9826 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
9829 (intern (format "gnus-newsgroup-%s"
9831 ;; Copy the marks to other group.
9832 (gnus-add-marked-articles
9833 to-group (cdar marks) (list to-article) info)))
9834 (setq marks (cdr marks)))
9836 (when (and expirable
9837 gnus-mark-copied-or-moved-articles-as-expirable
9838 (not (memq 'expire to-marks)))
9839 ;; Mark this article as expirable.
9840 (push 'expire to-marks)
9841 (when (equal to-group gnus-newsgroup-name)
9842 (push to-article gnus-newsgroup-expirable))
9843 ;; Copy the expirable mark to other group.
9844 (gnus-add-marked-articles
9845 to-group 'expire (list to-article) info))
9848 (gnus-request-set-mark
9849 to-group (list (list (list to-article) 'add to-marks)))))
9852 (concat "(gnus-group-set-info '"
9853 (gnus-prin1-to-string (gnus-get-info to-group))
9856 ;; Update the Xref header in this article to point to
9857 ;; the new crossposted article we have just created.
9858 (when (eq action 'crosspost)
9859 (with-current-buffer copy-buf
9860 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9861 (nnheader-replace-header "Xref" new-xref)
9862 (gnus-request-replace-article
9863 article gnus-newsgroup-name (current-buffer) t)))
9865 ;; run the move/copy/crosspost/respool hook
9866 (run-hook-with-args 'gnus-summary-article-move-hook
9869 (assoc article (gnus-data-list nil)))
9874 ;;;!!!Why is this necessary?
9875 (set-buffer gnus-summary-buffer)
9877 (when (eq action 'move)
9879 (gnus-summary-goto-subject article)
9880 (gnus-summary-mark-article article gnus-canceled-mark)))))
9881 (push article articles-to-update-marks))
9884 (apply 'gnus-summary-remove-process-mark articles-to-update-marks))
9885 ;; Re-activate all groups that have been moved to.
9886 (with-current-buffer gnus-group-buffer
9887 (let ((gnus-group-marked to-groups))
9888 (gnus-group-get-new-news-this-group nil t)))
9890 (gnus-kill-buffer copy-buf)
9891 (gnus-summary-position-point)
9892 (gnus-set-mode-line 'summary)))
9894 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
9895 "Copy the current article to some other group.
9896 If TO-NEWSGROUP is string, do not prompt for a newsgroup to copy to.
9897 When called interactively, if TO-NEWSGROUP is nil, use the value of
9898 the variable `gnus-move-split-methods' for finding a default target
9900 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9901 re-spool using this method."
9903 (gnus-summary-move-article n to-newsgroup select-method 'copy))
9905 (defun gnus-summary-crosspost-article (&optional n)
9906 "Crosspost the current article to some other group."
9908 (gnus-summary-move-article n nil nil 'crosspost))
9910 (defcustom gnus-summary-respool-default-method nil
9911 "Default method type for respooling an article.
9912 If nil, use to the current newsgroup method."
9914 :group 'gnus-summary-mail)
9916 (defun gnus-summary-respool-article (&optional n method)
9917 "Respool the current article.
9918 The article will be squeezed through the mail spooling process again,
9919 which means that it will be put in some mail newsgroup or other
9920 depending on `nnmail-split-methods'.
9921 If N is a positive number, respool the N next articles.
9922 If N is a negative number, respool the N previous articles.
9923 If N is nil and any articles have been marked with the process mark,
9924 respool those articles instead.
9926 Respooling can be done both from mail groups and \"real\" newsgroups.
9927 In the former case, the articles in question will be moved from the
9928 current group into whatever groups they are destined to. In the
9929 latter case, they will be copied into the relevant groups."
9931 (list current-prefix-arg
9932 (let* ((methods (gnus-methods-using 'respool))
9934 (symbol-name (or gnus-summary-respool-default-method
9935 (car (gnus-find-method-for-group
9936 gnus-newsgroup-name)))))
9938 (gnus-completing-read-with-default
9939 methname "Backend to use when respooling"
9940 methods nil t nil 'gnus-mail-method-history))
9943 ((zerop (length (setq ms (gnus-servers-using-backend
9945 (list (intern method) ""))
9949 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
9950 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
9953 (error "No method given for respooling"))
9954 (if (assoc (symbol-name
9955 (car (gnus-find-method-for-group gnus-newsgroup-name)))
9956 (gnus-methods-using 'respool))
9957 (gnus-summary-move-article n nil method)
9958 (gnus-summary-copy-article n nil method)))
9960 (defun gnus-summary-import-article (file &optional edit)
9961 "Import an arbitrary file into a mail newsgroup."
9962 (interactive "fImport file: \nP")
9963 (let ((group gnus-newsgroup-name)
9964 (now (current-time))
9965 atts lines group-art)
9966 (unless (gnus-check-backend-function 'request-accept-article group)
9967 (error "%s does not support article importing" group))
9968 (or (file-readable-p file)
9969 (not (file-regular-p file))
9970 (error "Can't read %s" file))
9971 (with-current-buffer (gnus-get-buffer-create " *import file*")
9973 (nnheader-insert-file-contents file)
9974 (goto-char (point-min))
9975 (if (nnheader-article-p)
9977 (goto-char (point-min))
9978 (search-forward "\n\n" nil t)
9979 (narrow-to-region (point-min) (1- (point)))
9980 (goto-char (point-min))
9981 (unless (re-search-forward "^date:" nil t)
9982 (goto-char (point-max))
9983 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
9984 ;; This doesn't look like an article, so we fudge some headers.
9985 (setq atts (file-attributes file)
9986 lines (count-lines (point-min) (point-max)))
9987 (insert "From: " (read-string "From: ") "\n"
9988 "Subject: " (read-string "Subject: ") "\n"
9989 "Date: " (message-make-date (nth 5 atts)) "\n"
9990 "Message-ID: " (message-make-message-id) "\n"
9991 "Lines: " (int-to-string lines) "\n"
9992 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
9993 (setq group-art (gnus-request-accept-article group nil t))
9994 (kill-buffer (current-buffer)))
9995 (setq gnus-newsgroup-active (gnus-activate-group group))
9997 (gnus-summary-goto-article (cdr group-art) nil t)
9999 (gnus-summary-edit-article))))
10001 (defun gnus-summary-create-article ()
10002 "Create an article in a mail newsgroup."
10004 (let ((group gnus-newsgroup-name)
10005 (now (current-time))
10007 (unless (gnus-check-backend-function 'request-accept-article group)
10008 (error "%s does not support article importing" group))
10009 (with-current-buffer (gnus-get-buffer-create " *import file*")
10011 (goto-char (point-min))
10012 ;; This doesn't look like an article, so we fudge some headers.
10013 (insert "From: " (read-string "From: ") "\n"
10014 "Subject: " (read-string "Subject: ") "\n"
10015 "Date: " (message-make-date now) "\n"
10016 "Message-ID: " (message-make-message-id) "\n")
10017 (setq group-art (gnus-request-accept-article group nil t))
10018 (kill-buffer (current-buffer)))
10019 (setq gnus-newsgroup-active (gnus-activate-group group))
10021 (gnus-summary-goto-article (cdr group-art) nil t)
10022 (gnus-summary-edit-article)))
10024 (defun gnus-summary-article-posted-p ()
10025 "Say whether the current (mail) article is available from news as well.
10026 This will be the case if the article has both been mailed and posted."
10028 (let ((id (mail-header-references (gnus-summary-article-header)))
10029 (gnus-override-method (car (gnus-refer-article-methods))))
10030 (if (gnus-request-head id "")
10031 (gnus-message 2 "The current message was found on %s"
10032 gnus-override-method)
10033 (gnus-message 2 "The current message couldn't be found on %s"
10034 gnus-override-method)
10037 (defun gnus-summary-expire-articles (&optional now)
10038 "Expire all articles that are marked as expirable in the current group."
10040 (when (and (not gnus-group-is-exiting-without-update-p)
10041 (gnus-check-backend-function
10042 'request-expire-articles gnus-newsgroup-name))
10043 ;; This backend supports expiry.
10044 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
10045 (expirable (if total
10047 ;; We need to update the info for
10048 ;; this group for `gnus-list-of-read-articles'
10049 ;; to give us the right answer.
10050 (gnus-run-hooks 'gnus-exit-group-hook)
10051 (gnus-summary-update-info)
10052 (gnus-list-of-read-articles gnus-newsgroup-name))
10053 (setq gnus-newsgroup-expirable
10054 (sort gnus-newsgroup-expirable '<))))
10055 (expiry-wait (if now 'immediate
10056 (gnus-group-find-parameter
10057 gnus-newsgroup-name 'expiry-wait)))
10058 (nnmail-expiry-target
10059 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
10060 nnmail-expiry-target))
10063 ;; There are expirable articles in this group, so we run them
10064 ;; through the expiry process.
10065 (gnus-message 6 "Expiring articles...")
10066 (unless (gnus-check-group gnus-newsgroup-name)
10067 (error "Can't open server for %s" gnus-newsgroup-name))
10068 ;; The list of articles that weren't expired is returned.
10071 (let ((nnmail-expiry-wait-function nil)
10072 (nnmail-expiry-wait expiry-wait))
10073 (setq es (gnus-request-expire-articles
10074 expirable gnus-newsgroup-name)))
10075 (setq es (gnus-request-expire-articles
10076 expirable gnus-newsgroup-name)))
10078 (setq gnus-newsgroup-expirable es))
10079 ;; We go through the old list of expirable, and mark all
10080 ;; really expired articles as nonexistent.
10081 (unless (eq es expirable) ;If nothing was expired, we don't mark.
10082 (let ((gnus-use-cache nil))
10083 (dolist (article expirable)
10084 (when (and (not (memq article es))
10085 (gnus-data-find article))
10086 (gnus-summary-mark-article article gnus-canceled-mark)
10087 (run-hook-with-args 'gnus-summary-article-expire-hook
10090 (assoc article (gnus-data-list nil)))
10091 gnus-newsgroup-name
10094 (gnus-message 6 "Expiring articles...done")))))
10096 (defun gnus-summary-expire-articles-now ()
10097 "Expunge all expirable articles in the current group.
10098 This means that *all* articles that are marked as expirable will be
10099 deleted forever, right now."
10101 (or gnus-expert-user
10103 "Are you really, really sure you want to delete all expirable messages? ")
10105 (gnus-summary-expire-articles t))
10107 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
10108 (defun gnus-summary-delete-article (&optional n)
10109 "Delete the N next (mail) articles.
10110 This command actually deletes articles. This is not a marking
10111 command. The article will disappear forever from your life, never to
10114 If N is negative, delete backwards.
10115 If N is nil and articles have been marked with the process mark,
10116 delete these instead.
10118 If `gnus-novice-user' is non-nil you will be asked for
10119 confirmation before the articles are deleted."
10121 (unless (gnus-check-backend-function 'request-expire-articles
10122 gnus-newsgroup-name)
10123 (error "The current newsgroup does not support article deletion"))
10124 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
10125 (error "Couldn't open server"))
10126 ;; Compute the list of articles to delete.
10127 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
10128 (nnmail-expiry-target 'delete)
10130 (if (and gnus-novice-user
10131 (not (gnus-yes-or-no-p
10132 (format "Do you really want to delete %s forever? "
10133 (if (> (length articles) 1)
10134 (format "these %s articles" (length articles))
10135 "this article")))))
10137 ;; Delete the articles.
10138 (setq not-deleted (gnus-request-expire-articles
10139 articles gnus-newsgroup-name 'force))
10142 (gnus-summary-remove-process-mark (car articles))
10143 ;; The backend might not have been able to delete the article
10145 (unless (memq (car articles) not-deleted)
10146 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
10147 (let* ((article (car articles))
10148 (ghead (gnus-data-header
10149 (assoc article (gnus-data-list nil)))))
10150 (run-hook-with-args 'gnus-summary-article-delete-hook
10151 'delete ghead gnus-newsgroup-name nil
10153 (setq articles (cdr articles))))
10155 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
10156 (gnus-summary-position-point)
10157 (gnus-set-mode-line 'summary)
10160 (defun gnus-summary-edit-article (&optional arg)
10161 "Edit the current article.
10162 This will have permanent effect only in mail groups.
10163 If ARG is nil, edit the decoded articles.
10164 If ARG is 1, edit the raw articles.
10165 If ARG is 2, edit the raw articles even in read-only groups.
10166 If ARG is 3, edit the articles with the current handles.
10167 Otherwise, allow editing of articles even in read-only
10170 (let (force raw current-handles)
10179 (setq current-handles
10180 (and (gnus-buffer-live-p gnus-article-buffer)
10181 (with-current-buffer gnus-article-buffer
10183 gnus-article-mime-handles
10184 (setq gnus-article-mime-handles nil))))))
10187 (when (and raw (not force)
10188 (member gnus-newsgroup-name '("nndraft:delayed"
10191 (error "Can't edit the raw article in group %s"
10192 gnus-newsgroup-name))
10193 (with-current-buffer gnus-summary-buffer
10194 (let ((mail-parse-charset gnus-newsgroup-charset)
10195 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
10196 (gnus-set-global-variables)
10197 (when (and (not force)
10198 (gnus-group-read-only-p))
10199 (error "The current newsgroup does not support article editing"))
10200 (gnus-summary-show-article t)
10201 (when (and (not raw) (gnus-buffer-live-p gnus-article-buffer))
10202 (with-current-buffer gnus-article-buffer
10203 (mm-enable-multibyte)))
10204 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
10206 (gnus-article-edit-article
10209 (let ((mbl mml-buffer-list))
10210 (setq mml-buffer-list nil)
10211 (let ((rfc2047-quote-decoded-words-containing-tspecials t))
10212 (mime-to-mml ,'current-handles))
10213 (let ((mbl1 mml-buffer-list))
10214 (setq mml-buffer-list mbl)
10215 (set (make-local-variable 'mml-buffer-list) mbl1))
10216 (gnus-make-local-hook 'kill-buffer-hook)
10217 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))))
10218 `(lambda (no-highlight)
10219 (let ((mail-parse-charset ',gnus-newsgroup-charset)
10220 (message-options message-options)
10221 (message-options-set-recipient)
10222 (mail-parse-ignored-charsets
10223 ',gnus-newsgroup-ignored-charsets)
10224 (rfc2047-header-encoding-alist
10225 ',(let ((charset (gnus-group-name-charset
10226 (gnus-find-method-for-group
10227 gnus-newsgroup-name)
10228 gnus-newsgroup-name)))
10229 (append (list (cons "Newsgroups" charset)
10230 (cons "Followup-To" charset)
10231 (cons "Xref" charset))
10232 rfc2047-header-encoding-alist))))
10233 ,(if (not raw) '(progn
10235 (mml-destroy-buffers)
10236 (remove-hook 'kill-buffer-hook
10237 'mml-destroy-buffers t)
10238 (kill-local-variable 'mml-buffer-list)))
10239 (gnus-summary-edit-article-done
10240 ,(or (mail-header-references gnus-current-headers) "")
10241 ,(gnus-group-read-only-p)
10242 ,gnus-summary-buffer no-highlight))))))))
10244 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
10246 (defun gnus-summary-edit-article-done (&optional references read-only buffer
10248 "Make edits to the current article permanent."
10251 ;; The buffer restriction contains the entire article if it exists.
10252 (when (article-goto-body)
10253 (let ((lines (count-lines (point) (point-max)))
10254 (length (- (point-max) (point)))
10255 (case-fold-search t)
10256 (body (copy-marker (point))))
10257 (goto-char (point-min))
10258 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
10259 (delete-region (match-beginning 1) (match-end 1))
10260 (insert (number-to-string length)))
10261 (goto-char (point-min))
10262 (when (re-search-forward
10263 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
10264 (delete-region (match-beginning 1) (match-end 1))
10265 (insert (number-to-string length)))
10266 (goto-char (point-min))
10267 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
10268 (delete-region (match-beginning 1) (match-end 1))
10269 (insert (number-to-string lines))))))
10270 ;; Replace the article.
10271 (let ((buf (current-buffer)))
10273 (insert-buffer-substring buf)
10275 (if (and (not read-only)
10276 (not (gnus-request-replace-article
10277 (cdr gnus-article-current) (car gnus-article-current)
10278 (current-buffer) t)))
10279 (error "Couldn't replace article")
10280 ;; Update the summary buffer.
10281 (if (and references
10282 (equal (message-tokenize-header references " ")
10283 (message-tokenize-header
10284 (or (message-fetch-field "references") "") " ")))
10285 ;; We only have to update this line.
10288 (message-narrow-to-head)
10289 (let ((head (buffer-substring-no-properties
10290 (point-min) (point-max)))
10293 (insert (format "211 %d Article retrieved.\n"
10294 (cdr gnus-article-current)))
10297 (let ((nntp-server-buffer (current-buffer)))
10298 (setq header (car (gnus-get-newsgroup-headers
10300 (with-current-buffer gnus-summary-buffer
10301 (gnus-data-set-header
10302 (gnus-data-find (cdr gnus-article-current))
10304 (gnus-summary-update-article-line
10305 (cdr gnus-article-current) header)
10306 (if (gnus-summary-goto-subject
10307 (cdr gnus-article-current) nil t)
10308 (gnus-summary-update-secondary-mark
10309 (cdr gnus-article-current))))))))
10311 (set-buffer (or buffer gnus-summary-buffer))
10312 (gnus-summary-update-article (cdr gnus-article-current))
10313 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
10314 (gnus-summary-update-secondary-mark
10315 (cdr gnus-article-current))))
10316 ;; Prettify the article buffer again.
10317 (unless no-highlight
10318 (with-current-buffer gnus-article-buffer
10319 ;;;!!! Fix this -- article should be rehighlighted.
10320 ;;;(gnus-run-hooks 'gnus-article-display-hook)
10321 (set-buffer gnus-original-article-buffer)
10322 (gnus-request-article
10323 (cdr gnus-article-current)
10324 (car gnus-article-current) (current-buffer))))
10325 ;; Prettify the summary buffer line.
10326 (when (gnus-visual-p 'summary-highlight 'highlight)
10327 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
10329 (defun gnus-summary-edit-wash (key)
10330 "Perform editing command KEY in the article buffer."
10334 (message "%s" (concat (this-command-keys) "- "))
10337 (gnus-summary-edit-article)
10338 (execute-kbd-macro (concat (this-command-keys) key))
10339 (gnus-article-edit-done))
10343 (defun gnus-summary-respool-query (&optional silent trace)
10344 "Query where the respool algorithm would put this article."
10346 (let (gnus-mark-article-hook)
10347 (gnus-summary-select-article)
10348 (with-current-buffer gnus-original-article-buffer
10349 (let ((groups (nnmail-article-group 'identity trace)))
10352 (message "This message would go to %s"
10353 (mapconcat 'car groups ", "))
10354 (message "This message would go to no groups"))
10357 (defun gnus-summary-respool-trace ()
10358 "Trace where the respool algorithm would put this article.
10359 Display a buffer showing all fancy splitting patterns which matched."
10361 (gnus-summary-respool-query nil t))
10363 ;; Summary marking commands.
10365 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
10366 "Mark articles which has the same subject as read, and then select the next.
10367 If UNMARK is positive, remove any kind of mark.
10368 If UNMARK is negative, tick articles."
10371 (setq unmark (prefix-numeric-value unmark)))
10373 (gnus-summary-mark-same-subject
10374 (gnus-summary-article-subject) unmark)))
10375 ;; Select next unread article. If auto-select-same mode, should
10376 ;; select the first unread article.
10377 (gnus-summary-next-article t (and gnus-auto-select-same
10378 (gnus-summary-article-subject)))
10379 (gnus-message 7 "%d article%s marked as %s"
10380 count (if (= count 1) " is" "s are")
10381 (if unmark "unread" "read"))))
10383 (defun gnus-summary-kill-same-subject (&optional unmark)
10384 "Mark articles which has the same subject as read.
10385 If UNMARK is positive, remove any kind of mark.
10386 If UNMARK is negative, tick articles."
10389 (setq unmark (prefix-numeric-value unmark)))
10391 (gnus-summary-mark-same-subject
10392 (gnus-summary-article-subject) unmark)))
10393 ;; If marked as read, go to next unread subject.
10394 (when (null unmark)
10395 ;; Go to next unread subject.
10396 (gnus-summary-next-subject 1 t))
10397 (gnus-message 7 "%d articles are marked as %s"
10398 count (if unmark "unread" "read"))))
10400 (defun gnus-summary-mark-same-subject (subject &optional unmark)
10401 "Mark articles with same SUBJECT as read, and return marked number.
10402 If optional argument UNMARK is positive, remove any kinds of marks.
10403 If optional argument UNMARK is negative, mark articles as unread instead."
10407 ((null unmark) ; Mark as read.
10410 (gnus-summary-mark-article-as-read gnus-killed-mark)
10411 (gnus-summary-show-thread) t)
10412 (gnus-summary-find-subject subject))
10413 (setq count (1+ count))))
10414 ((> unmark 0) ; Tick.
10417 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
10418 (gnus-summary-show-thread) t)
10419 (gnus-summary-find-subject subject))
10420 (setq count (1+ count))))
10421 (t ; Mark as unread.
10424 (gnus-summary-mark-article-as-unread gnus-unread-mark)
10425 (gnus-summary-show-thread) t)
10426 (gnus-summary-find-subject subject))
10427 (setq count (1+ count)))))
10428 (gnus-set-mode-line 'summary)
10429 ;; Return the number of marked articles.
10432 (defun gnus-summary-mark-as-processable (n &optional unmark)
10433 "Set the process mark on the next N articles.
10434 If N is negative, mark backward instead. If UNMARK is non-nil, remove
10435 the process mark instead. The difference between N and the actual
10436 number of articles marked is returned."
10438 (if (and (null n) (gnus-region-active-p))
10439 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
10440 (setq n (prefix-numeric-value n))
10441 (let ((backward (< n 0))
10446 (gnus-summary-remove-process-mark
10447 (gnus-summary-article-number))
10448 (gnus-summary-set-process-mark (gnus-summary-article-number)))
10449 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
10452 (gnus-message 7 "No more articles"))
10453 (gnus-summary-recenter)
10454 (gnus-summary-position-point)
10457 (defun gnus-summary-unmark-as-processable (n)
10458 "Remove the process mark from the next N articles.
10459 If N is negative, unmark backward instead. The difference between N and
10460 the actual number of articles unmarked is returned."
10462 (gnus-summary-mark-as-processable n t))
10464 (defun gnus-summary-unmark-all-processable ()
10465 "Remove the process mark from all articles."
10468 (while gnus-newsgroup-processable
10469 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
10470 (gnus-summary-position-point))
10472 (defun gnus-summary-add-mark (article type)
10473 "Mark ARTICLE with a mark of TYPE."
10474 (let ((vtype (car (assq type gnus-article-mark-lists)))
10477 (error "No such mark type: %s" type)
10478 (setq var (intern (format "gnus-newsgroup-%s" type)))
10479 (set var (cons article (symbol-value var)))
10480 (if (memq type '(processable cached replied forwarded recent saved))
10481 (gnus-summary-update-secondary-mark article)
10482 ;;; !!! This is bogus. We should find out what primary
10483 ;;; !!! mark we want to set.
10484 (gnus-summary-update-mark gnus-del-mark 'unread)))))
10486 (defun gnus-summary-mark-as-expirable (n)
10487 "Mark N articles forward as expirable.
10488 If N is negative, mark backward instead. The difference between N and
10489 the actual number of articles marked is returned."
10491 (gnus-summary-mark-forward n gnus-expirable-mark))
10493 (defun gnus-summary-mark-as-spam (n)
10494 "Mark N articles forward as spam.
10495 If N is negative, mark backward instead. The difference between N and
10496 the actual number of articles marked is returned."
10498 (gnus-summary-mark-forward n gnus-spam-mark))
10500 (defun gnus-summary-mark-article-as-replied (article)
10501 "Mark ARTICLE as replied to and update the summary line.
10502 ARTICLE can also be a list of articles."
10503 (interactive (list (gnus-summary-article-number)))
10504 (let ((articles (if (listp article) article (list article))))
10505 (dolist (article articles)
10506 (unless (numberp article)
10507 (error "%s is not a number" article))
10508 (push article gnus-newsgroup-replied)
10509 (let ((inhibit-read-only t))
10510 (when (gnus-summary-goto-subject article nil t)
10511 (gnus-summary-update-secondary-mark article))))))
10513 (defun gnus-summary-mark-article-as-forwarded (article)
10514 "Mark ARTICLE as forwarded and update the summary line.
10515 ARTICLE can also be a list of articles."
10516 (let ((articles (if (listp article) article (list article))))
10517 (dolist (article articles)
10518 (push article gnus-newsgroup-forwarded)
10519 (let ((inhibit-read-only t))
10520 (when (gnus-summary-goto-subject article nil t)
10521 (gnus-summary-update-secondary-mark article))))))
10523 (defun gnus-summary-set-bookmark (article)
10524 "Set a bookmark in current article."
10525 (interactive (list (gnus-summary-article-number)))
10526 (when (or (not (get-buffer gnus-article-buffer))
10527 (not gnus-current-article)
10528 (not gnus-article-current)
10529 (not (equal gnus-newsgroup-name (car gnus-article-current))))
10530 (error "No current article selected"))
10531 ;; Remove old bookmark, if one exists.
10532 (gnus-pull article gnus-newsgroup-bookmarks)
10533 ;; Set the new bookmark, which is on the form
10534 ;; (article-number . line-number-in-body).
10537 (with-current-buffer gnus-article-buffer
10541 (article-goto-body)
10544 gnus-newsgroup-bookmarks)
10545 (gnus-message 6 "A bookmark has been added to the current article."))
10547 (defun gnus-summary-remove-bookmark (article)
10548 "Remove the bookmark from the current article."
10549 (interactive (list (gnus-summary-article-number)))
10550 ;; Remove old bookmark, if one exists.
10551 (if (not (assq article gnus-newsgroup-bookmarks))
10552 (gnus-message 6 "No bookmark in current article.")
10553 (gnus-pull article gnus-newsgroup-bookmarks)
10554 (gnus-message 6 "Removed bookmark.")))
10556 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10557 (defun gnus-summary-mark-as-dormant (n)
10558 "Mark N articles forward as dormant.
10559 If N is negative, mark backward instead. The difference between N and
10560 the actual number of articles marked is returned."
10562 (gnus-summary-mark-forward n gnus-dormant-mark))
10564 (defun gnus-summary-set-process-mark (article)
10565 "Set the process mark on ARTICLE and update the summary line."
10566 (setq gnus-newsgroup-processable
10568 (delq article gnus-newsgroup-processable)))
10569 (when (gnus-summary-goto-subject article)
10570 (gnus-summary-show-thread)
10571 (gnus-summary-goto-subject article)
10572 (gnus-summary-update-secondary-mark article)))
10574 (defun gnus-summary-remove-process-mark (&rest articles)
10575 "Remove the process mark from ARTICLES and update the summary line."
10576 (dolist (article articles)
10577 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
10578 (when (gnus-summary-goto-subject article)
10579 (gnus-summary-show-thread)
10580 (gnus-summary-goto-subject article)
10581 (gnus-summary-update-secondary-mark article)))
10584 (defun gnus-summary-set-saved-mark (article)
10585 "Set the process mark on ARTICLE and update the summary line."
10586 (push article gnus-newsgroup-saved)
10587 (when (gnus-summary-goto-subject article)
10588 (gnus-summary-update-secondary-mark article)))
10590 (defun gnus-summary-mark-forward (n &optional mark no-expire)
10591 "Mark N articles as read forwards.
10592 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
10593 The difference between N and the actual number of articles marked is
10595 If NO-EXPIRE, auto-expiry will be inhibited."
10597 (gnus-summary-show-thread)
10598 (let ((backward (< n 0))
10599 (gnus-summary-goto-unread
10600 (and gnus-summary-goto-unread
10601 (not (eq gnus-summary-goto-unread 'never))
10602 (not (memq mark (list gnus-unread-mark gnus-spam-mark
10603 gnus-ticked-mark gnus-dormant-mark)))))
10605 (mark (or mark gnus-del-mark)))
10606 (while (and (> n 0)
10607 (gnus-summary-mark-article nil mark no-expire)
10608 (zerop (gnus-summary-next-subject
10610 (and gnus-summary-goto-unread
10611 (not (eq gnus-summary-goto-unread 'never)))
10615 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
10616 (gnus-summary-recenter)
10617 (gnus-summary-position-point)
10618 (gnus-set-mode-line 'summary)
10621 (defun gnus-summary-mark-article-as-read (mark)
10622 "Mark the current article quickly as read with MARK."
10623 (let ((article (gnus-summary-article-number)))
10624 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10625 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10626 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10627 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10628 (push (cons article mark) gnus-newsgroup-reads)
10629 ;; Possibly remove from cache, if that is used.
10630 (when gnus-use-cache
10631 (gnus-cache-enter-remove-article article))
10632 ;; Allow the backend to change the mark.
10633 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10634 ;; Check for auto-expiry.
10635 (when (and gnus-newsgroup-auto-expire
10636 (memq mark gnus-auto-expirable-marks))
10637 (setq mark gnus-expirable-mark)
10638 ;; Let the backend know about the mark change.
10639 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10640 (push article gnus-newsgroup-expirable))
10641 ;; Set the mark in the buffer.
10642 (gnus-summary-update-mark mark 'unread)
10645 (defun gnus-summary-mark-article-as-unread (mark)
10646 "Mark the current article quickly as unread with MARK."
10647 (let* ((article (gnus-summary-article-number))
10648 (old-mark (gnus-summary-article-mark article)))
10649 ;; Allow the backend to change the mark.
10650 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10651 (if (eq mark old-mark)
10655 (gnus-error 1 "Can't mark negative article numbers")
10657 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10658 (setq gnus-newsgroup-spam-marked
10659 (delq article gnus-newsgroup-spam-marked))
10660 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10661 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
10662 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
10663 (cond ((= mark gnus-ticked-mark)
10664 (setq gnus-newsgroup-marked
10665 (gnus-add-to-sorted-list gnus-newsgroup-marked
10667 ((= mark gnus-spam-mark)
10668 (setq gnus-newsgroup-spam-marked
10669 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
10671 ((= mark gnus-dormant-mark)
10672 (setq gnus-newsgroup-dormant
10673 (gnus-add-to-sorted-list gnus-newsgroup-dormant
10676 (setq gnus-newsgroup-unreads
10677 (gnus-add-to-sorted-list gnus-newsgroup-unreads
10679 (gnus-pull article gnus-newsgroup-reads)
10681 ;; See whether the article is to be put in the cache.
10682 (and gnus-use-cache
10683 (vectorp (gnus-summary-article-header article))
10685 (gnus-cache-possibly-enter-article
10686 gnus-newsgroup-name article
10687 (= mark gnus-ticked-mark)
10688 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10691 (gnus-summary-update-mark mark 'unread)
10694 (defun gnus-summary-mark-article (&optional article mark no-expire)
10695 "Mark ARTICLE with MARK. MARK can be any character.
10696 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
10697 `??' (dormant) and `?E' (expirable).
10698 If MARK is nil, then the default character `?r' is used.
10699 If ARTICLE is nil, then the article on the current line will be
10701 If NO-EXPIRE, auto-expiry will be inhibited."
10702 ;; The mark might be a string.
10703 (when (stringp mark)
10704 (setq mark (aref mark 0)))
10705 ;; If no mark is given, then we check auto-expiring.
10707 (setq mark gnus-del-mark))
10708 (when (and (not no-expire)
10709 gnus-newsgroup-auto-expire
10710 (memq mark gnus-auto-expirable-marks))
10711 (setq mark gnus-expirable-mark))
10712 (let ((article (or article (gnus-summary-article-number)))
10713 (old-mark (gnus-summary-article-mark article)))
10714 ;; Allow the backend to change the mark.
10715 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10716 (if (eq mark old-mark)
10719 (error "No article on current line"))
10720 (if (not (if (or (= mark gnus-unread-mark)
10721 (= mark gnus-ticked-mark)
10722 (= mark gnus-spam-mark)
10723 (= mark gnus-dormant-mark))
10724 (gnus-mark-article-as-unread article mark)
10725 (gnus-mark-article-as-read article mark)))
10727 ;; See whether the article is to be put in the cache.
10728 (and gnus-use-cache
10729 (not (= mark gnus-canceled-mark))
10730 (vectorp (gnus-summary-article-header article))
10732 (gnus-cache-possibly-enter-article
10733 gnus-newsgroup-name article
10734 (= mark gnus-ticked-mark)
10735 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10737 (when (gnus-summary-goto-subject article nil t)
10738 (let ((inhibit-read-only t))
10739 (gnus-summary-show-thread)
10741 (gnus-summary-update-mark mark 'unread)
10744 (defun gnus-summary-update-secondary-mark (article)
10745 "Update the secondary (read, process, cache) mark."
10746 (gnus-summary-update-mark
10747 (cond ((memq article gnus-newsgroup-processable)
10749 ((memq article gnus-newsgroup-cached)
10751 ((memq article gnus-newsgroup-replied)
10753 ((memq article gnus-newsgroup-forwarded)
10754 gnus-forwarded-mark)
10755 ((memq article gnus-newsgroup-saved)
10757 ((memq article gnus-newsgroup-recent)
10759 ((memq article gnus-newsgroup-unseen)
10763 (when (gnus-visual-p 'summary-highlight 'highlight)
10764 (gnus-summary-highlight-line)
10765 (gnus-run-hooks 'gnus-summary-update-hook))
10768 (defun gnus-summary-update-download-mark (article)
10769 "Update the download mark."
10770 (gnus-summary-update-mark
10771 (cond ((memq article gnus-newsgroup-undownloaded)
10772 gnus-undownloaded-mark)
10773 (gnus-newsgroup-agentized
10774 gnus-downloaded-mark)
10778 (gnus-summary-update-line t)
10781 (defun gnus-summary-update-mark (mark type)
10782 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
10783 (inhibit-read-only t))
10784 (re-search-backward "[\n\r]" (point-at-bol) 'move-to-limit)
10786 (when (looking-at "\r")
10788 (when (<= (+ forward (point)) (point-max))
10789 ;; Go to the right position on the line.
10790 (goto-char (+ forward (point)))
10791 ;; Replace the old mark with the new mark.
10793 (mm-subst-char-in-string
10795 (buffer-substring (point) (1+ (point))))))
10796 (delete-region (point) (1+ (point)))
10797 (insert to-insert))
10798 ;; Optionally update the marks by some user rule.
10799 (when (eq type 'unread)
10800 (gnus-data-set-mark
10801 (gnus-data-find (gnus-summary-article-number)) mark)
10802 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
10804 (defun gnus-mark-article-as-read (article &optional mark)
10805 "Enter ARTICLE in the pertinent lists and remove it from others."
10806 ;; Make the article expirable.
10807 (let ((mark (or mark gnus-del-mark)))
10808 (setq gnus-newsgroup-expirable
10809 (if (= mark gnus-expirable-mark)
10810 (gnus-add-to-sorted-list gnus-newsgroup-expirable article)
10811 (delq article gnus-newsgroup-expirable)))
10812 ;; Remove from unread and marked lists.
10813 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10814 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10815 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10816 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10817 (push (cons article mark) gnus-newsgroup-reads)
10818 ;; Possibly remove from cache, if that is used.
10819 (when gnus-use-cache
10820 (gnus-cache-enter-remove-article article))
10823 (defun gnus-mark-article-as-unread (article &optional mark)
10824 "Enter ARTICLE in the pertinent lists and remove it from others."
10825 (let ((mark (or mark gnus-ticked-mark)))
10828 (gnus-error 1 "Can't mark negative article numbers")
10830 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
10831 gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked)
10832 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
10833 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
10834 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10836 ;; Unsuppress duplicates?
10837 (when gnus-suppress-duplicates
10838 (gnus-dup-unsuppress-article article))
10840 (cond ((= mark gnus-ticked-mark)
10841 (setq gnus-newsgroup-marked
10842 (gnus-add-to-sorted-list gnus-newsgroup-marked article)))
10843 ((= mark gnus-spam-mark)
10844 (setq gnus-newsgroup-spam-marked
10845 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
10847 ((= mark gnus-dormant-mark)
10848 (setq gnus-newsgroup-dormant
10849 (gnus-add-to-sorted-list gnus-newsgroup-dormant article)))
10851 (setq gnus-newsgroup-unreads
10852 (gnus-add-to-sorted-list gnus-newsgroup-unreads article))))
10853 (gnus-pull article gnus-newsgroup-reads)
10856 (defalias 'gnus-summary-mark-as-unread-forward
10857 'gnus-summary-tick-article-forward)
10858 (make-obsolete 'gnus-summary-mark-as-unread-forward
10859 'gnus-summary-tick-article-forward "Emacs 20.4")
10860 (defun gnus-summary-tick-article-forward (n)
10861 "Tick N articles forwards.
10862 If N is negative, tick backwards instead.
10863 The difference between N and the number of articles ticked is returned."
10865 (gnus-summary-mark-forward n gnus-ticked-mark))
10867 (defalias 'gnus-summary-mark-as-unread-backward
10868 'gnus-summary-tick-article-backward)
10869 (make-obsolete 'gnus-summary-mark-as-unread-backward
10870 'gnus-summary-tick-article-backward "Emacs 20.4")
10871 (defun gnus-summary-tick-article-backward (n)
10872 "Tick N articles backwards.
10873 The difference between N and the number of articles ticked is returned."
10875 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
10877 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10878 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article "Emacs 20.4")
10879 (defun gnus-summary-tick-article (&optional article clear-mark)
10880 "Mark current article as unread.
10881 Optional 1st argument ARTICLE specifies article number to be marked as unread.
10882 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
10884 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
10885 gnus-ticked-mark)))
10887 (defun gnus-summary-mark-as-read-forward (n)
10888 "Mark N articles as read forwards.
10889 If N is negative, mark backwards instead.
10890 The difference between N and the actual number of articles marked is
10893 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
10895 (defun gnus-summary-mark-as-read-backward (n)
10896 "Mark the N articles as read backwards.
10897 The difference between N and the actual number of articles marked is
10900 (gnus-summary-mark-forward
10901 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
10903 (defun gnus-summary-mark-as-read (&optional article mark)
10904 "Mark current article as read.
10905 ARTICLE specifies the article to be marked as read.
10906 MARK specifies a string to be inserted at the beginning of the line."
10907 (gnus-summary-mark-article article mark))
10909 (defun gnus-summary-clear-mark-forward (n)
10910 "Clear marks from N articles forward.
10911 If N is negative, clear backward instead.
10912 The difference between N and the number of marks cleared is returned."
10914 (gnus-summary-mark-forward n gnus-unread-mark))
10916 (defun gnus-summary-clear-mark-backward (n)
10917 "Clear marks from N articles backward.
10918 The difference between N and the number of marks cleared is returned."
10920 (gnus-summary-mark-forward (- n) gnus-unread-mark))
10922 (defun gnus-summary-mark-unread-as-read ()
10923 "Intended to be used by `gnus-mark-article-hook'."
10924 (when (memq gnus-current-article gnus-newsgroup-unreads)
10925 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
10927 (defun gnus-summary-mark-read-and-unread-as-read (&optional new-mark)
10928 "Intended to be used by `gnus-mark-article-hook'."
10929 (let ((mark (gnus-summary-article-mark)))
10930 (when (or (gnus-unread-mark-p mark)
10931 (gnus-read-mark-p mark))
10932 (gnus-summary-mark-article gnus-current-article
10933 (or new-mark gnus-read-mark)))))
10935 (defun gnus-summary-mark-current-read-and-unread-as-read (&optional new-mark)
10936 "Intended to be used by `gnus-mark-article-hook'."
10937 (let ((mark (gnus-summary-article-mark)))
10938 (when (or (gnus-unread-mark-p mark)
10939 (gnus-read-mark-p mark))
10940 (gnus-summary-mark-article (gnus-summary-article-number)
10941 (or new-mark gnus-read-mark)))))
10943 (defun gnus-summary-mark-unread-as-ticked ()
10944 "Intended to be used by `gnus-mark-article-hook'."
10945 (when (memq gnus-current-article gnus-newsgroup-unreads)
10946 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
10948 (defun gnus-summary-mark-region-as-read (point mark all)
10949 "Mark all unread articles between point and mark as read.
10950 If given a prefix, mark all articles between point and mark as read,
10951 even ticked and dormant ones."
10952 (interactive "r\nP")
10956 (beginning-of-line)
10961 (memq (setq article (gnus-summary-article-number))
10962 gnus-newsgroup-unreads))
10963 (gnus-summary-mark-article article gnus-del-mark))
10965 (gnus-summary-find-next))))))
10967 (defun gnus-summary-mark-below (score mark)
10968 "Mark articles with score less than SCORE with MARK."
10969 (interactive "P\ncMark: ")
10970 (setq score (if score
10971 (prefix-numeric-value score)
10972 (or gnus-summary-default-score 0)))
10973 (with-current-buffer gnus-summary-buffer
10974 (goto-char (point-min))
10977 (and (< (gnus-summary-article-score) score)
10978 (gnus-summary-mark-article nil mark))
10979 (gnus-summary-find-next)))))
10981 (defun gnus-summary-kill-below (&optional score)
10982 "Mark articles with score below SCORE as read."
10984 (gnus-summary-mark-below score gnus-killed-mark))
10986 (defun gnus-summary-clear-above (&optional score)
10987 "Clear all marks from articles with score above SCORE."
10989 (gnus-summary-mark-above score gnus-unread-mark))
10991 (defun gnus-summary-tick-above (&optional score)
10992 "Tick all articles with score above SCORE."
10994 (gnus-summary-mark-above score gnus-ticked-mark))
10996 (defun gnus-summary-mark-above (score mark)
10997 "Mark articles with score over SCORE with MARK."
10998 (interactive "P\ncMark: ")
10999 (setq score (if score
11000 (prefix-numeric-value score)
11001 (or gnus-summary-default-score 0)))
11002 (with-current-buffer gnus-summary-buffer
11003 (goto-char (point-min))
11005 (when (> (gnus-summary-article-score) score)
11006 (gnus-summary-mark-article nil mark))
11008 (gnus-summary-find-next)))))
11010 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
11011 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
11012 (defun gnus-summary-limit-include-expunged (&optional no-error)
11013 "Display all the hidden articles that were expunged for low scores."
11015 (let ((inhibit-read-only t))
11016 (let ((scored gnus-newsgroup-scored)
11019 (unless (gnus-summary-article-header (caar scored))
11020 (and (setq h (gnus-number-to-header (caar scored)))
11021 (< (cdar scored) gnus-summary-expunge-below)
11023 (setq scored (cdr scored)))
11025 (when (not no-error)
11026 (error "No expunged articles hidden"))
11027 (goto-char (point-min))
11028 (push gnus-newsgroup-limit gnus-newsgroup-limits)
11029 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
11030 (dolist (x headers)
11031 (push (mail-header-number x) gnus-newsgroup-limit))
11032 (gnus-summary-prepare-unthreaded (nreverse headers))
11033 (goto-char (point-min))
11034 (gnus-summary-position-point)
11037 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
11038 "Mark all unread articles in this newsgroup as read.
11039 If prefix argument ALL is non-nil, ticked and dormant articles will
11040 also be marked as read.
11041 If QUIETLY is non-nil, no questions will be asked.
11043 If TO-HERE is non-nil, it should be a point in the buffer. All
11044 articles before (after, if REVERSE is set) this point will be marked
11047 Note that this function will only catch up the unread article
11048 in the current summary buffer limitation.
11050 The number of articles marked as read is returned."
11055 (not gnus-interactive-catchup) ;Without confirmation?
11059 "Mark absolutely all articles as read? "
11060 "Mark all unread articles as read? ")))
11062 (not gnus-newsgroup-adaptive)
11063 (not gnus-newsgroup-auto-expire)
11064 (not gnus-suppress-duplicates)
11065 (or (not gnus-use-cache)
11066 (eq gnus-use-cache 'passive)))
11069 (setq gnus-newsgroup-marked nil
11070 gnus-newsgroup-spam-marked nil
11071 gnus-newsgroup-dormant nil))
11072 (setq gnus-newsgroup-unreads
11073 (gnus-sorted-nunion
11074 (gnus-sorted-intersection gnus-newsgroup-unreads
11075 gnus-newsgroup-downloadable)
11076 (gnus-sorted-difference gnus-newsgroup-unfetched
11077 gnus-newsgroup-cached))))
11078 ;; We actually mark all articles as canceled, which we
11079 ;; have to do when using auto-expiry or adaptive scoring.
11080 (gnus-summary-show-all-threads)
11081 (if (and to-here reverse)
11083 (goto-char to-here)
11084 (gnus-summary-mark-current-read-and-unread-as-read
11086 (while (gnus-summary-find-next (not all))
11087 (gnus-summary-mark-article-as-read gnus-catchup-mark)))
11088 (when (gnus-summary-first-subject (not all))
11090 (if to-here (< (point) to-here) t)
11091 (gnus-summary-mark-article-as-read gnus-catchup-mark)
11092 (gnus-summary-find-next (not all))))))
11093 (gnus-set-mode-line 'summary))
11095 (gnus-summary-position-point)))
11097 (defun gnus-summary-catchup-to-here (&optional all)
11098 "Mark all unticked articles before the current one as read.
11099 If ALL is non-nil, also mark ticked and dormant articles as read."
11102 (gnus-save-hidden-threads
11103 (let ((beg (point)))
11104 ;; We check that there are unread articles.
11105 (when (or all (gnus-summary-find-prev))
11106 (gnus-summary-catchup all t beg)))))
11107 (gnus-summary-position-point))
11109 (defun gnus-summary-catchup-from-here (&optional all)
11110 "Mark all unticked articles after (and including) the current one as read.
11111 If ALL is non-nil, also mark ticked and dormant articles as read."
11114 (gnus-save-hidden-threads
11115 (let ((beg (point)))
11116 ;; We check that there are unread articles.
11117 (when (or all (gnus-summary-find-next))
11118 (gnus-summary-catchup all t beg nil t)))))
11119 (gnus-summary-position-point))
11121 (defun gnus-summary-catchup-all (&optional quietly)
11122 "Mark all articles in this newsgroup as read.
11123 This command is dangerous. Normally, you want \\[gnus-summary-catchup]
11124 instead, which marks only unread articles as read."
11126 (gnus-summary-catchup t quietly))
11128 (defun gnus-summary-catchup-and-exit (&optional all quietly)
11129 "Mark all unread articles in this group as read, then exit.
11130 If prefix argument ALL is non-nil, all articles are marked as read.
11131 If QUIETLY is non-nil, no questions will be asked."
11133 (when (gnus-summary-catchup all quietly nil 'fast)
11134 ;; Select next newsgroup or exit.
11135 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
11136 (eq gnus-auto-select-next 'quietly))
11137 (gnus-summary-next-group nil)
11138 (gnus-summary-exit))))
11140 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
11141 "Mark all articles in this newsgroup as read, and then exit.
11142 This command is dangerous. Normally, you want \\[gnus-summary-catchup-and-exit]
11143 instead, which marks only unread articles as read."
11145 (gnus-summary-catchup-and-exit t quietly))
11147 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
11148 "Mark all articles in this group as read and select the next group.
11149 If given a prefix, mark all articles, unread as well as ticked, as
11153 (gnus-summary-catchup all))
11154 (gnus-summary-next-group))
11156 (defun gnus-summary-catchup-and-goto-prev-group (&optional all)
11157 "Mark all articles in this group as read and select the previous group.
11158 If given a prefix, mark all articles, unread as well as ticked, as
11162 (gnus-summary-catchup all))
11163 (gnus-summary-next-group nil nil t))
11169 (defmacro gnus-with-article (article &rest forms)
11170 "Select ARTICLE and perform FORMS in the original article buffer.
11171 Then replace the article with the result."
11173 ;; We don't want the article to be marked as read.
11174 (let (gnus-mark-article-hook)
11175 (gnus-summary-select-article t t nil ,article))
11176 (set-buffer gnus-original-article-buffer)
11178 (if (not (gnus-check-backend-function
11179 'request-replace-article (car gnus-article-current)))
11180 (gnus-message 5 "Read-only group; not replacing")
11181 (unless (gnus-request-replace-article
11182 ,article (car gnus-article-current)
11183 (current-buffer) t)
11184 (error "Couldn't replace article")))
11185 ;; The cache and backlog have to be flushed somewhat.
11186 (when gnus-keep-backlog
11187 (gnus-backlog-remove-article
11188 (car gnus-article-current) (cdr gnus-article-current)))
11189 (when gnus-use-cache
11190 (gnus-cache-update-article
11191 (car gnus-article-current) (cdr gnus-article-current)))))
11193 (put 'gnus-with-article 'lisp-indent-function 1)
11194 (put 'gnus-with-article 'edebug-form-spec '(form body))
11196 ;; Thread-based commands.
11198 (defun gnus-summary-articles-in-thread (&optional article)
11199 "Return a list of all articles in the current thread.
11200 If ARTICLE is non-nil, return all articles in the thread that starts
11201 with that article."
11202 (let* ((article (or article (gnus-summary-article-number)))
11203 (data (gnus-data-find-list article))
11204 (top-level (gnus-data-level (car data)))
11206 (cond ((null gnus-thread-operation-ignore-subject)
11207 (gnus-simplify-subject-re
11208 (mail-header-subject (gnus-data-header (car data)))))
11209 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
11210 (gnus-simplify-subject-fuzzy
11211 (mail-header-subject (gnus-data-header (car data)))))
11213 (end-point (save-excursion
11214 (if (gnus-summary-go-to-next-thread)
11215 (point) (point-max))))
11218 (< (gnus-data-pos (car data)) end-point))
11219 (when (or (not top-subject)
11220 (string= top-subject
11221 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
11222 (gnus-simplify-subject-fuzzy
11223 (mail-header-subject
11224 (gnus-data-header (car data))))
11225 (gnus-simplify-subject-re
11226 (mail-header-subject
11227 (gnus-data-header (car data)))))))
11228 (push (gnus-data-number (car data)) articles))
11229 (unless (and (setq data (cdr data))
11230 (> (gnus-data-level (car data)) top-level))
11232 ;; Return the list of articles.
11233 (nreverse articles)))
11235 (defun gnus-summary-rethread-current ()
11236 "Rethread the thread the current article is part of."
11238 (let* ((gnus-show-threads t)
11239 (article (gnus-summary-article-number))
11240 (id (mail-header-id (gnus-summary-article-header)))
11241 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
11243 (error "No article on the current line"))
11244 (gnus-rebuild-thread id)
11245 (gnus-summary-goto-subject article)))
11247 (defun gnus-summary-reparent-thread ()
11248 "Make the current article child of the marked (or previous) article.
11250 Note that the re-threading will only work if `gnus-thread-ignore-subject'
11251 is non-nil or the Subject: of both articles are the same."
11253 (unless (not (gnus-group-read-only-p))
11254 (error "The current newsgroup does not support article editing"))
11255 (unless (<= (length gnus-newsgroup-processable) 1)
11256 (error "No more than one article may be marked"))
11257 (let ((child (gnus-summary-article-number))
11258 ;; First grab the marked article, otherwise one line up.
11259 (parent (if (not (null gnus-newsgroup-processable))
11260 (car gnus-newsgroup-processable)
11262 (if (eq (forward-line -1) 0)
11263 (gnus-summary-article-number)
11264 (error "Beginning of summary buffer"))))))
11265 (gnus-summary-reparent-children parent (list child))))
11267 (defun gnus-summary-reparent-children (parent children)
11268 "Make PARENT the parent of CHILDREN.
11269 When called interactively, PARENT is the current article and CHILDREN
11270 are the process-marked articles."
11272 (list (gnus-summary-article-number)
11273 (gnus-summary-work-articles nil)))
11274 (dolist (child children)
11275 (save-window-excursion
11276 (let ((gnus-article-buffer " *reparent*"))
11277 (unless (not (eq parent child))
11278 (error "An article may not be self-referential"))
11279 (let ((message-id (mail-header-id
11280 (gnus-summary-article-header parent))))
11281 (unless (and message-id (not (equal message-id "")))
11282 (error "No message-id in desired parent"))
11283 (gnus-with-article child
11285 (goto-char (point-min))
11286 (message-narrow-to-head)
11287 (if (re-search-forward "^References: " nil t)
11289 (re-search-forward "^[^ \t]" nil t)
11292 (insert " " message-id))
11293 (insert "References: " message-id "\n"))))
11294 (set-buffer gnus-summary-buffer)
11295 (gnus-summary-unmark-all-processable)
11296 (gnus-summary-update-article child)
11297 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
11298 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
11299 (gnus-summary-rethread-current)
11300 (gnus-message 3 "Article %d is now the child of article %d"
11303 (defun gnus-summary-toggle-threads (&optional arg)
11304 "Toggle showing conversation threads.
11305 If ARG is positive number, turn showing conversation threads on."
11307 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
11308 (setq gnus-show-threads
11309 (if (null arg) (not gnus-show-threads)
11310 (> (prefix-numeric-value arg) 0)))
11311 (gnus-summary-prepare)
11312 (gnus-summary-goto-subject current)
11313 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
11314 (gnus-summary-position-point)))
11317 (if (fboundp 'remove-overlays)
11318 (defalias 'gnus-remove-overlays 'remove-overlays)
11319 (defun gnus-remove-overlays (beg end name val)
11320 "Clear BEG and END of overlays whose property NAME has value VAL.
11321 For compatibility with XEmacs."
11322 (dolist (ov (gnus-overlays-in beg end))
11323 (when (eq (gnus-overlay-get ov name) val)
11324 (gnus-delete-overlay ov))))))
11326 (defun gnus-summary-show-all-threads ()
11327 "Show all threads."
11329 (gnus-remove-overlays (point-min) (point-max) 'invisible 'gnus-sum)
11330 (gnus-summary-position-point))
11332 (defun gnus-summary-show-thread ()
11333 "Show thread subtrees.
11334 Returns nil if no thread was there to be shown."
11336 (let* ((orig (point))
11337 (end (point-at-eol))
11338 ;; Leave point at bol
11339 (beg (progn (beginning-of-line) (if (bobp) (point) (1- (point)))))
11340 (eoi (when (eq (get-char-property end 'invisible) 'gnus-sum)
11341 (if (fboundp 'next-single-char-property-change)
11342 (or (next-single-char-property-change end 'invisible)
11347 (eq (get-char-property (point) 'invisible)
11351 (gnus-remove-overlays beg eoi 'invisible 'gnus-sum)
11353 (gnus-summary-position-point)
11356 (defun gnus-summary-maybe-hide-threads ()
11357 "If requested, hide the threads that should be hidden."
11358 (when (and gnus-show-threads
11359 gnus-thread-hide-subtree)
11360 (gnus-summary-hide-all-threads
11361 (if (or (consp gnus-thread-hide-subtree)
11362 (functionp gnus-thread-hide-subtree))
11363 (gnus-make-predicate gnus-thread-hide-subtree)
11366 ;;; Hiding predicates.
11368 (defun gnus-article-unread-p (header)
11369 (memq (mail-header-number header) gnus-newsgroup-unreads))
11371 (defun gnus-article-unseen-p (header)
11372 (memq (mail-header-number header) gnus-newsgroup-unseen))
11374 (defun gnus-map-articles (predicate articles)
11375 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
11376 (apply 'gnus-or (mapcar predicate
11377 (mapcar (lambda (number)
11378 (gnus-summary-article-header number))
11381 (defun gnus-summary-hide-all-threads (&optional predicate)
11382 "Hide all thread subtrees.
11383 If PREDICATE is supplied, threads that satisfy this predicate
11384 will not be hidden."
11387 (goto-char (point-min))
11390 (when (or (not predicate)
11392 predicate (gnus-summary-article-children)))
11393 (gnus-summary-hide-thread))
11394 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
11395 (gnus-summary-position-point))
11397 (defun gnus-summary-hide-thread ()
11398 "Hide thread subtrees.
11399 If PREDICATE is supplied, threads that satisfy this predicate
11400 will not be hidden.
11401 Returns nil if no threads were there to be hidden."
11403 (let ((start (point))
11404 (starteol (line-end-position))
11405 (article (gnus-summary-article-number)))
11407 ;; Go forward until either the buffer ends or the subthread ends.
11408 (when (and (not (eobp))
11409 (or (zerop (gnus-summary-next-thread 1 t))
11410 (goto-char (point-max))))
11411 (if (and (> (point) start)
11412 ;; FIXME: this should actually search for a non-invisible \n.
11413 (search-backward "\n" start t))
11415 (when (> (point) starteol)
11416 (gnus-remove-overlays starteol (point) 'invisible 'gnus-sum)
11417 (let ((ol (gnus-make-overlay starteol (point) nil t nil)))
11418 (gnus-overlay-put ol 'invisible 'gnus-sum)
11419 (gnus-overlay-put ol 'evaporate t)))
11420 (gnus-summary-goto-subject article))
11424 (defun gnus-summary-go-to-next-thread (&optional previous)
11425 "Go to the same level (or less) next thread.
11426 If PREVIOUS is non-nil, go to previous thread instead.
11427 Return the article number moved to, or nil if moving was impossible."
11428 (let ((level (gnus-summary-thread-level))
11429 (way (if previous -1 1))
11432 (while (and (not (eobp))
11433 (< level (gnus-summary-thread-level)))
11434 (forward-line way))
11441 (gnus-summary-article-number)
11442 (goto-char beg)))))
11444 (defun gnus-summary-next-thread (n &optional silent)
11445 "Go to the same level next N'th thread.
11446 If N is negative, search backward instead.
11447 Returns the difference between N and the number of skips actually
11450 If SILENT, don't output messages."
11452 (let ((backward (< n 0))
11454 (while (and (> n 0)
11455 (gnus-summary-go-to-next-thread backward))
11458 (gnus-summary-position-point))
11459 (when (and (not silent) (/= 0 n))
11460 (gnus-message 7 "No more threads"))
11463 (defun gnus-summary-prev-thread (n)
11464 "Go to the same level previous N'th thread.
11465 Returns the difference between N and the number of skips actually
11468 (gnus-summary-next-thread (- n)))
11470 (defun gnus-summary-go-down-thread ()
11471 "Go down one level in the current thread."
11472 (let ((children (gnus-summary-article-children)))
11474 (gnus-summary-goto-subject (car children)))))
11476 (defun gnus-summary-go-up-thread ()
11477 "Go up one level in the current thread."
11478 (let ((parent (gnus-summary-article-parent)))
11480 (gnus-summary-goto-subject parent))))
11482 (defun gnus-summary-down-thread (n)
11483 "Go down thread N steps.
11484 If N is negative, go up instead.
11485 Returns the difference between N and how many steps down that were
11490 (while (and (> n 0)
11491 (if up (gnus-summary-go-up-thread)
11492 (gnus-summary-go-down-thread)))
11494 (gnus-summary-position-point)
11496 (gnus-message 7 "Can't go further"))
11499 (defun gnus-summary-up-thread (n)
11500 "Go up thread N steps.
11501 If N is negative, go down instead.
11502 Returns the difference between N and how many steps down that were
11505 (gnus-summary-down-thread (- n)))
11507 (defun gnus-summary-top-thread ()
11508 "Go to the top of the thread."
11510 (while (gnus-summary-go-up-thread))
11511 (gnus-summary-article-number))
11513 (defun gnus-summary-expire-thread ()
11514 "Mark articles under current thread as expired."
11516 (gnus-summary-kill-thread 0))
11518 (defun gnus-summary-kill-thread (&optional unmark)
11519 "Mark articles under current thread as read.
11520 If the prefix argument is positive, remove any kinds of marks.
11521 If the prefix argument is zero, mark thread as expired.
11522 If the prefix argument is negative, tick articles instead."
11525 (setq unmark (prefix-numeric-value unmark)))
11526 (let ((articles (gnus-summary-articles-in-thread))
11527 (hide (or (null unmark) (= unmark 0))))
11529 ;; Expand the thread.
11530 (gnus-summary-show-thread)
11531 ;; Mark all the articles.
11533 (gnus-summary-goto-subject (car articles))
11534 (cond ((null unmark)
11535 (gnus-summary-mark-article-as-read gnus-killed-mark))
11537 (gnus-summary-mark-article-as-unread gnus-unread-mark))
11539 (gnus-summary-mark-article nil gnus-expirable-mark))
11541 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
11542 (setq articles (cdr articles))))
11543 ;; Hide killed subtrees when hide is true.
11545 gnus-thread-hide-killed
11546 (gnus-summary-hide-thread))
11547 ;; If hide is t, go to next unread subject.
11549 ;; Go to next unread subject.
11550 (gnus-summary-next-subject 1 t)))
11551 (gnus-set-mode-line 'summary))
11553 ;; Summary sorting commands
11555 (defun gnus-summary-sort-by-number (&optional reverse)
11556 "Sort the summary buffer by article number.
11557 Argument REVERSE means reverse order."
11559 (gnus-summary-sort 'number reverse))
11561 (defun gnus-summary-sort-by-most-recent-number (&optional reverse)
11562 "Sort the summary buffer by most recent article number.
11563 Argument REVERSE means reverse order."
11565 (gnus-summary-sort 'most-recent-number reverse))
11567 (defun gnus-summary-sort-by-random (&optional reverse)
11568 "Randomize the order in the summary buffer.
11569 Argument REVERSE means to randomize in reverse order."
11571 (gnus-summary-sort 'random reverse))
11573 (defun gnus-summary-sort-by-author (&optional reverse)
11574 "Sort the summary buffer by author name alphabetically.
11575 If `case-fold-search' is non-nil, case of letters is ignored.
11576 Argument REVERSE means reverse order."
11578 (gnus-summary-sort 'author reverse))
11580 (defun gnus-summary-sort-by-recipient (&optional reverse)
11581 "Sort the summary buffer by recipient name alphabetically.
11582 If `case-fold-search' is non-nil, case of letters is ignored.
11583 Argument REVERSE means reverse order."
11585 (gnus-summary-sort 'recipient reverse))
11587 (defun gnus-summary-sort-by-subject (&optional reverse)
11588 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
11589 If `case-fold-search' is non-nil, case of letters is ignored.
11590 Argument REVERSE means reverse order."
11592 (gnus-summary-sort 'subject reverse))
11594 (defun gnus-summary-sort-by-date (&optional reverse)
11595 "Sort the summary buffer by date.
11596 Argument REVERSE means reverse order."
11598 (gnus-summary-sort 'date reverse))
11600 (defun gnus-summary-sort-by-most-recent-date (&optional reverse)
11601 "Sort the summary buffer by most recent date.
11602 Argument REVERSE means reverse order."
11604 (gnus-summary-sort 'most-recent-date reverse))
11606 (defun gnus-summary-sort-by-score (&optional reverse)
11607 "Sort the summary buffer by score.
11608 Argument REVERSE means reverse order."
11610 (gnus-summary-sort 'score reverse))
11612 (defun gnus-summary-sort-by-lines (&optional reverse)
11613 "Sort the summary buffer by the number of lines.
11614 Argument REVERSE means reverse order."
11616 (gnus-summary-sort 'lines reverse))
11618 (defun gnus-summary-sort-by-chars (&optional reverse)
11619 "Sort the summary buffer by article length.
11620 Argument REVERSE means reverse order."
11622 (gnus-summary-sort 'chars reverse))
11624 (defun gnus-summary-sort-by-original (&optional reverse)
11625 "Sort the summary buffer using the default sorting method.
11626 Argument REVERSE means reverse order."
11628 (let* ((inhibit-read-only t)
11629 (gnus-summary-prepare-hook nil))
11630 ;; We do the sorting by regenerating the threads.
11631 (gnus-summary-prepare)
11632 ;; Hide subthreads if needed.
11633 (gnus-summary-maybe-hide-threads)))
11635 (defun gnus-summary-sort (predicate reverse)
11636 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
11637 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
11638 (article (intern (format "gnus-article-sort-by-%s" predicate)))
11639 (gnus-thread-sort-functions
11644 (gnus-sort-gathered-threads-function
11645 gnus-thread-sort-functions)
11646 (gnus-article-sort-functions
11650 (,article t2 t1))))
11651 (inhibit-read-only t)
11652 (gnus-summary-prepare-hook nil))
11653 ;; We do the sorting by regenerating the threads.
11654 (gnus-summary-prepare)
11655 ;; Hide subthreads if needed.
11656 (gnus-summary-maybe-hide-threads)))
11658 ;; Summary saving commands.
11660 (defun gnus-summary-save-article (&optional n not-saved)
11661 "Save the current article using the default saver function.
11662 If N is a positive number, save the N next articles.
11663 If N is a negative number, save the N previous articles.
11664 If N is nil and any articles have been marked with the process mark,
11665 save those articles instead.
11666 The variable `gnus-default-article-saver' specifies the saver function.
11668 If the optional second argument NOT-SAVED is non-nil, articles saved
11669 will not be marked as saved."
11671 (require 'gnus-art)
11672 (let* ((articles (gnus-summary-work-articles n))
11673 (save-buffer (save-excursion
11674 (nnheader-set-temp-buffer " *Gnus Save*")))
11675 (num (length articles))
11676 ;; Whether to save decoded articles or raw articles.
11677 (decode (when gnus-article-save-coding-system
11678 (get gnus-default-article-saver :decode)))
11679 ;; When saving many articles in a single file, use the other
11680 ;; function to save articles other than the first one.
11681 (saver2 (get gnus-default-article-saver :function))
11682 (gnus-prompt-before-saving (if saver2
11684 gnus-prompt-before-saving))
11685 (gnus-default-article-saver gnus-default-article-saver)
11687 (dolist (article articles)
11688 (setq header (gnus-summary-article-header article))
11689 (if (not (vectorp header))
11690 ;; This is a pseudo-article.
11691 (if (assq 'name header)
11692 (gnus-copy-file (cdr (assq 'name header)))
11693 (gnus-message 1 "Article %d is unsaveable" article))
11694 ;; This is a real article.
11695 (save-window-excursion
11696 (gnus-summary-select-article decode decode nil article)
11697 (gnus-summary-goto-subject article))
11698 (with-current-buffer save-buffer
11700 (insert-buffer-substring (if decode
11701 gnus-article-buffer
11702 gnus-original-article-buffer)))
11703 (setq file (gnus-article-save save-buffer file num))
11704 (gnus-summary-remove-process-mark article)
11706 (gnus-summary-set-saved-mark article)))
11708 (setq gnus-default-article-saver saver2
11710 (gnus-kill-buffer save-buffer)
11711 (gnus-summary-position-point)
11712 (gnus-set-mode-line 'summary)
11715 (defun gnus-summary-pipe-output (&optional n sym)
11716 "Pipe the current article to a subprocess.
11717 If N is a positive number, pipe the N next articles.
11718 If N is a negative number, pipe the N previous articles.
11719 If N is nil and any articles have been marked with the process mark,
11720 pipe those articles instead.
11721 The default command to which articles are piped is specified by the
11722 variable `gnus-summary-pipe-output-default-command'; if it is nil, you
11723 will be prompted for the command.
11725 The properties `:decode' and `:headers' that are put to the function
11726 symbol `gnus-summary-save-in-pipe' control whether this function
11727 decodes articles and what headers to keep (see the doc string for the
11728 `gnus-default-article-saver' variable). If SYM (the symbolic prefix)
11729 is neither omitted nor the symbol `r', force including all headers
11730 regardless of the `:headers' property. If it is the symbol `r',
11731 articles that are not decoded and include all headers will be piped
11732 no matter what the properties `:decode' and `:headers' are."
11733 (interactive (gnus-interactive "P\ny"))
11734 (require 'gnus-art)
11735 (let* ((articles (gnus-summary-work-articles n))
11736 (result-buffer "*Shell Command Output*")
11737 (all-headers (not (memq sym '(nil r))))
11738 (gnus-save-all-headers (or all-headers gnus-save-all-headers))
11740 (headers (get 'gnus-summary-save-in-pipe :headers))
11742 (unless (numberp (car articles))
11743 (error "No article to pipe"))
11744 (setq command (gnus-read-shell-command
11745 (concat "Shell command on "
11747 (format "these %d articles" (length articles))
11750 gnus-summary-pipe-output-default-command))
11751 (when (string-equal command "")
11752 (error "A command is required"))
11754 (put 'gnus-summary-save-in-pipe :headers nil))
11757 (gnus-summary-goto-subject (pop articles))
11758 (save-window-excursion (gnus-summary-save-in-pipe command raw))
11759 (when (and (get-buffer result-buffer)
11760 (not (zerop (buffer-size (get-buffer result-buffer)))))
11761 (setq result (concat result (with-current-buffer result-buffer
11762 (buffer-string))))))
11763 (put 'gnus-summary-save-in-pipe :headers headers))
11764 (unless (zerop (length result))
11765 (if (with-current-buffer (get-buffer-create result-buffer)
11769 (and (= (count-lines (point-min) (point)) 1)
11772 (<= (current-column)
11773 (window-width (minibuffer-window)))))
11774 (goto-char (point-min))))
11775 (message "%s" (substring result 0 -1))
11777 (gnus-configure-windows 'pipe)))))
11779 (defun gnus-summary-save-article-mail (&optional arg)
11780 "Append the current article to a Unix mail box file.
11781 If N is a positive number, save the N next articles.
11782 If N is a negative number, save the N previous articles.
11783 If N is nil and any articles have been marked with the process mark,
11784 save those articles instead."
11786 (require 'gnus-art)
11787 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
11788 (gnus-summary-save-article arg)))
11790 (defun gnus-summary-save-article-rmail (&optional arg)
11791 "Append the current article to an rmail file.
11792 If N is a positive number, save the N next articles.
11793 If N is a negative number, save the N previous articles.
11794 If N is nil and any articles have been marked with the process mark,
11795 save those articles instead."
11797 (require 'gnus-art)
11798 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
11799 (gnus-summary-save-article arg)))
11801 (defun gnus-summary-save-article-file (&optional arg)
11802 "Append the current article to a file.
11803 If N is a positive number, save the N next articles.
11804 If N is a negative number, save the N previous articles.
11805 If N is nil and any articles have been marked with the process mark,
11806 save those articles instead."
11808 (require 'gnus-art)
11809 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
11810 (gnus-summary-save-article arg)))
11812 (defun gnus-summary-write-article-file (&optional arg)
11813 "Write the current article to a file, deleting the previous file.
11814 If N is a positive number, save the N next articles.
11815 If N is a negative number, save the N previous articles.
11816 If N is nil and any articles have been marked with the process mark,
11817 save those articles instead."
11819 (require 'gnus-art)
11820 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
11821 (gnus-summary-save-article arg)))
11823 (defun gnus-summary-save-article-body-file (&optional arg)
11824 "Append the current article body to a file.
11825 If N is a positive number, save the N next articles.
11826 If N is a negative number, save the N previous articles.
11827 If N is nil and any articles have been marked with the process mark,
11828 save those articles instead."
11830 (require 'gnus-art)
11831 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
11832 (gnus-summary-save-article arg)))
11834 (defun gnus-summary-write-article-body-file (&optional arg)
11835 "Write the current article body to a file, deleting the previous file.
11836 If N is a positive number, save the N next articles.
11837 If N is a negative number, save the N previous articles.
11838 If N is nil and any articles have been marked with the process mark,
11839 save those articles instead."
11841 (require 'gnus-art)
11842 (let ((gnus-default-article-saver 'gnus-summary-write-body-to-file))
11843 (gnus-summary-save-article arg)))
11845 (defun gnus-summary-muttprint (&optional arg)
11846 "Print the current article using Muttprint.
11847 If N is a positive number, save the N next articles.
11848 If N is a negative number, save the N previous articles.
11849 If N is nil and any articles have been marked with the process mark,
11850 save those articles instead."
11852 (require 'gnus-art)
11853 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
11854 (gnus-summary-save-article arg t)))
11856 (defun gnus-summary-pipe-message (program)
11857 "Pipe the current article through PROGRAM."
11858 (interactive "sProgram: ")
11859 (gnus-summary-select-article)
11860 (let ((mail-header-separator ""))
11861 (gnus-eval-in-buffer-window gnus-article-buffer
11864 (let ((start (window-start))
11865 (inhibit-read-only t))
11866 (message-pipe-buffer-body program)
11867 (set-window-start (get-buffer-window (current-buffer)) start))))))
11869 (defun gnus-get-split-value (methods)
11870 "Return a value based on the split METHODS."
11871 (let (split-name method result match)
11873 (with-current-buffer gnus-original-article-buffer
11875 (nnheader-narrow-to-headers)
11876 (while (and methods (not split-name))
11877 (goto-char (point-min))
11878 (setq method (pop methods))
11879 (setq match (car method))
11882 ;; Regular expression.
11884 (re-search-forward match nil t)))
11889 (setq result (funcall match gnus-newsgroup-name))))
11894 (setq result (eval match)))))
11895 (setq split-name (cdr method))
11896 (cond ((stringp result)
11897 (push (expand-file-name
11898 result gnus-article-save-directory)
11901 (setq split-name (append result split-name)))))))))
11902 (nreverse split-name)))
11904 (defun gnus-valid-move-group-p (group)
11905 (and (boundp group)
11906 (symbol-name group)
11907 (symbol-value group)
11908 (gnus-get-function (gnus-find-method-for-group
11909 (symbol-name group)) 'request-accept-article t)))
11911 (defun gnus-read-move-group-name (prompt default articles prefix)
11912 "Read a group name."
11913 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
11914 (minibuffer-confirm-incomplete nil) ; XEmacs
11918 (if (> (length articles) 1)
11919 (format "these %d articles" (length articles))
11922 (let (active group)
11923 (when (or (null split-name) (= 1 (length split-name)))
11924 (setq active (gnus-make-hashtable (length gnus-active-hashtb)))
11925 (mapatoms (lambda (symbol)
11926 (setq group (symbol-name symbol))
11927 (when (string-match "[^\000-\177]" group)
11928 (setq group (gnus-group-decoded-name group)))
11929 (set (intern group active) group))
11930 gnus-active-hashtb))
11933 (gnus-completing-read-with-default
11934 default prom active 'gnus-valid-move-group-p nil prefix
11935 'gnus-group-history))
11936 ((= 1 (length split-name))
11937 (gnus-completing-read-with-default
11938 (car split-name) prom active 'gnus-valid-move-group-p nil nil
11939 'gnus-group-history))
11941 (gnus-completing-read-with-default
11942 nil prom (mapcar 'list (nreverse split-name)) nil nil nil
11943 'gnus-group-history)))))
11944 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup)))
11947 (if (or (string= to-newsgroup "")
11948 (string= to-newsgroup prefix))
11949 (setq to-newsgroup default))
11950 (unless to-newsgroup
11951 (error "No group name entered"))
11952 (setq encoded (mm-encode-coding-string
11954 (gnus-group-name-charset to-method to-newsgroup)))
11955 (or (gnus-active encoded)
11956 (gnus-activate-group encoded nil nil to-method)
11957 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
11959 (or (and (gnus-request-create-group encoded to-method)
11960 (gnus-activate-group encoded nil nil to-method)
11961 (gnus-subscribe-group encoded))
11962 (error "Couldn't create group %s" to-newsgroup)))
11963 (error "No such group: %s" to-newsgroup))
11966 (defvar gnus-summary-save-parts-counter)
11967 (declare-function mm-uu-dissect "mm-uu" (&optional noheader mime-type))
11969 (defun gnus-summary-save-parts (type dir n &optional reverse)
11970 "Save parts matching TYPE to DIR.
11971 If REVERSE, save parts that do not match TYPE."
11973 (list (read-string "Save parts of type: "
11974 (or (car gnus-summary-save-parts-type-history)
11975 gnus-summary-save-parts-default-mime)
11976 'gnus-summary-save-parts-type-history)
11977 (setq gnus-summary-save-parts-last-directory
11978 (read-file-name "Save to directory: "
11979 gnus-summary-save-parts-last-directory
11981 current-prefix-arg))
11982 (gnus-summary-iterate n
11983 (let ((gnus-display-mime-function nil)
11984 gnus-article-prepare-hook
11985 gnus-article-decode-hook
11986 gnus-display-mime-function
11988 (gnus-inhibit-treatment t))
11989 (gnus-summary-select-article))
11990 (with-current-buffer gnus-article-buffer
11991 (let ((handles (or gnus-article-mime-handles
11992 (mm-dissect-buffer nil gnus-article-loose-mime)
11993 (and gnus-article-emulate-mime
11995 (gnus-summary-save-parts-counter 1))
11997 (gnus-summary-save-parts-1 type dir handles reverse)
11998 (unless gnus-article-mime-handles ;; Don't destroy this case.
11999 (mm-destroy-parts handles)))))))
12001 (defun gnus-summary-save-parts-1 (type dir handle reverse)
12002 (if (stringp (car handle))
12003 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
12006 (not (string-match type (mm-handle-media-type handle)))
12007 (string-match type (mm-handle-media-type handle)))
12008 (let ((file (expand-file-name
12010 mm-file-name-rewrite-functions
12011 (file-name-nondirectory
12013 (mail-content-type-get
12014 (mm-handle-disposition handle) 'filename)
12015 (mail-content-type-get
12016 (mm-handle-type handle) 'name)
12017 (format "%s.%d.%d" gnus-newsgroup-name
12018 (cdr gnus-article-current)
12019 gnus-summary-save-parts-counter))))
12021 (incf gnus-summary-save-parts-counter)
12022 (unless (file-exists-p file)
12023 (mm-save-part-to-file handle file))))))
12025 ;; Summary extract commands
12027 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
12028 (let ((inhibit-read-only t)
12029 (article (gnus-summary-article-number))
12031 (unless (gnus-summary-goto-subject article)
12032 (error "No such article: %d" article))
12033 (gnus-summary-position-point)
12034 ;; If all commands are to be bunched up on one line, we collect
12036 (unless gnus-view-pseudos-separately
12037 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
12040 (setq action (cdr (assq 'action (car ps))))
12041 (setq files (list (cdr (assq 'name (car ps)))))
12042 (while (and ps (cdr ps)
12043 (string= (or action "1")
12044 (or (cdr (assq 'action (cadr ps))) "2")))
12045 (push (cdr (assq 'name (cadr ps))) files)
12046 (setcdr ps (cddr ps)))
12048 (when (not (string-match "%s" action))
12051 (when (assq 'execute (car ps))
12052 (setcdr (assq 'execute (car ps))
12053 (funcall (if (string-match "%s" action)
12060 (shell-quote-argument f)))
12062 (setq ps (cdr ps)))))
12063 (if (and gnus-view-pseudos (not not-view))
12065 (when (assq 'execute (car pslist))
12066 (gnus-execute-command (cdr (assq 'execute (car pslist)))
12067 (eq gnus-view-pseudos 'not-confirm)))
12068 (setq pslist (cdr pslist)))
12071 (setq after-article (or (cdr (assq 'article (car pslist)))
12072 (gnus-summary-article-number)))
12073 (gnus-summary-goto-subject after-article)
12076 (insert " " (file-name-nondirectory
12077 (cdr (assq 'name (car pslist))))
12078 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
12080 (forward-line -1) ; back to `b'
12081 (gnus-add-text-properties
12082 b (1- e) (list 'gnus-number gnus-reffed-article-number
12083 gnus-mouse-face-prop gnus-mouse-face))
12085 after-article gnus-reffed-article-number
12086 gnus-unread-mark b (car pslist) 0 (- e b))
12087 (setq gnus-newsgroup-unreads
12088 (gnus-add-to-sorted-list gnus-newsgroup-unreads
12089 gnus-reffed-article-number))
12090 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
12091 (setq pslist (cdr pslist)))))))
12093 (defun gnus-pseudos< (p1 p2)
12094 (let ((c1 (cdr (assq 'action p1)))
12095 (c2 (cdr (assq 'action p2))))
12096 (and c1 c2 (string< c1 c2))))
12098 (defun gnus-request-pseudo-article (props)
12099 (cond ((assq 'execute props)
12100 (gnus-execute-command (cdr (assq 'execute props)))))
12101 (let ((gnus-current-article (gnus-summary-article-number)))
12102 (gnus-run-hooks 'gnus-mark-article-hook)))
12104 (defun gnus-execute-command (command &optional automatic)
12106 (gnus-article-setup-buffer)
12107 (set-buffer gnus-article-buffer)
12108 (setq buffer-read-only nil)
12109 (let ((command (if automatic command
12110 (read-string "Command: " (cons command 0)))))
12112 (insert "$ " command "\n\n")
12113 (if gnus-view-pseudo-asynchronously
12114 (start-process "gnus-execute" (current-buffer) shell-file-name
12115 shell-command-switch command)
12116 (call-process shell-file-name nil t nil
12117 shell-command-switch command)))))
12119 ;; Summary kill commands.
12121 (defun gnus-summary-edit-global-kill (article)
12122 "Edit the \"global\" kill file."
12123 (interactive (list (gnus-summary-article-number)))
12124 (gnus-group-edit-global-kill article))
12126 (defun gnus-summary-edit-local-kill ()
12127 "Edit a local kill file applied to the current newsgroup."
12129 (setq gnus-current-headers (gnus-summary-article-header))
12130 (gnus-group-edit-local-kill
12131 (gnus-summary-article-number) gnus-newsgroup-name))
12133 ;;; Header reading.
12135 (defun gnus-read-header (id &optional header)
12136 "Read the headers of article ID and enter them into the Gnus system."
12137 (let ((group gnus-newsgroup-name)
12138 (gnus-override-method
12140 gnus-override-method
12141 (and (gnus-news-group-p gnus-newsgroup-name)
12142 (car (gnus-refer-article-methods)))))
12144 ;; First we check to see whether the header in question is already
12147 ;; This is a Message-ID.
12148 (setq header (or header (gnus-id-to-header id)))
12149 ;; This is an article number.
12150 (setq header (or header (gnus-summary-article-header id))))
12152 (not (gnus-summary-article-sparse-p (mail-header-number header))))
12153 ;; We have found the header.
12155 ;; We have to really fetch the header to this article.
12156 (with-current-buffer nntp-server-buffer
12157 (when (setq where (gnus-request-head id group))
12158 (nnheader-fold-continuation-lines)
12159 (goto-char (point-max))
12161 (goto-char (point-min))
12165 ((cdr where) (cdr where))
12166 (header (mail-header-number header))
12167 (t gnus-reffed-article-number))
12169 (insert " Article retrieved.\n"))
12170 (if (or (not where)
12171 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
12172 () ; Malformed head.
12173 (unless (gnus-summary-article-sparse-p (mail-header-number header))
12174 (when (and (stringp id)
12176 (not (string= (gnus-group-real-name group)
12178 (not (gnus-server-equal gnus-override-method
12179 (gnus-group-method group)))))
12180 ;; If we fetched by Message-ID and the article came from
12181 ;; a different group (or server), we fudge some bogus
12182 ;; article numbers for this article.
12183 (mail-header-set-number header gnus-reffed-article-number))
12184 (with-current-buffer gnus-summary-buffer
12185 (decf gnus-reffed-article-number)
12186 (gnus-remove-header (mail-header-number header))
12187 (push header gnus-newsgroup-headers)
12188 (setq gnus-current-headers header)
12189 (push (mail-header-number header) gnus-newsgroup-limit)))
12192 (defun gnus-remove-header (number)
12193 "Remove header NUMBER from `gnus-newsgroup-headers'."
12194 (if (and gnus-newsgroup-headers
12195 (= number (mail-header-number (car gnus-newsgroup-headers))))
12196 (pop gnus-newsgroup-headers)
12197 (let ((headers gnus-newsgroup-headers))
12198 (while (and (cdr headers)
12199 (not (= number (mail-header-number (cadr headers)))))
12201 (when (cdr headers)
12202 (setcdr headers (cddr headers))))))
12205 ;;; summary highlights
12208 (defun gnus-highlight-selected-summary ()
12209 "Highlight selected article in summary buffer."
12210 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
12211 (when gnus-summary-selected-face
12213 (let* ((beg (point-at-bol))
12214 (end (point-at-eol))
12215 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
12216 (from (if (get-text-property beg gnus-mouse-face-prop)
12218 (or (next-single-property-change
12219 beg gnus-mouse-face-prop nil end)
12224 (or (next-single-property-change
12225 from gnus-mouse-face-prop nil end)
12227 ;; If no mouse-face prop on line we will have to = from = end,
12228 ;; so we highlight the entire line instead.
12229 (when (= (+ to 2) from)
12232 (if gnus-newsgroup-selected-overlay
12233 ;; Move old overlay.
12235 gnus-newsgroup-selected-overlay from to (current-buffer))
12236 ;; Create new overlay.
12238 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
12239 'face gnus-summary-selected-face))))))
12241 (defvar gnus-summary-highlight-line-cached nil)
12242 (defvar gnus-summary-highlight-line-trigger nil)
12244 (defun gnus-summary-highlight-line-0 ()
12245 (if (and (eq gnus-summary-highlight-line-trigger
12246 gnus-summary-highlight)
12247 gnus-summary-highlight-line-cached)
12248 gnus-summary-highlight-line-cached
12249 (setq gnus-summary-highlight-line-trigger gnus-summary-highlight
12250 gnus-summary-highlight-line-cached
12251 (let* ((cond (list 'cond))
12253 (list gnus-summary-highlight))
12255 (setcdr c (cons (list (caar list) (list 'quote (cdar list)))
12259 (gnus-byte-compile (list 'lambda nil cond))))))
12261 (defun gnus-summary-highlight-line ()
12262 "Highlight current line according to `gnus-summary-highlight'."
12263 (let* ((beg (point-at-bol))
12264 (article (or (gnus-summary-article-number) gnus-current-article))
12265 (score (or (cdr (assq article
12266 gnus-newsgroup-scored))
12267 gnus-summary-default-score 0))
12268 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
12269 (inhibit-read-only t)
12270 (default gnus-summary-default-score)
12271 (default-high gnus-summary-default-high-score)
12272 (default-low gnus-summary-default-low-score)
12273 (uncached (and gnus-summary-use-undownloaded-faces
12274 (memq article gnus-newsgroup-undownloaded)
12275 (not (memq article gnus-newsgroup-cached)))))
12276 (let ((face (funcall (gnus-summary-highlight-line-0))))
12277 (unless (eq face (get-text-property beg 'face))
12278 (gnus-put-text-property-excluding-characters-with-faces
12279 beg (point-at-eol) 'face
12280 (setq face (if (boundp face) (symbol-value face) face)))
12281 (when gnus-summary-highlight-line-function
12282 (funcall gnus-summary-highlight-line-function article face))))))
12284 (defun gnus-update-read-articles (group unread &optional compute)
12285 "Update the list of read articles in GROUP.
12286 UNREAD is a sorted list."
12287 (let ((active (or gnus-newsgroup-active (gnus-active group)))
12288 (info (gnus-get-info group))
12291 (if (or (not info) (not active))
12292 ;; There is no info on this group if it was, in fact,
12293 ;; killed. Gnus stores no information on killed groups, so
12294 ;; there's nothing to be done.
12295 ;; One could store the information somewhere temporarily,
12296 ;; perhaps... Hmmm...
12298 ;; Remove any negative articles numbers.
12299 (while (and unread (< (car unread) 0))
12300 (setq unread (cdr unread)))
12301 ;; Remove any expired article numbers
12302 (while (and unread (< (car unread) (car active)))
12303 (setq unread (cdr unread)))
12304 ;; Compute the ranges of read articles by looking at the list of
12305 ;; unread articles.
12307 (when (/= (car unread) prev)
12308 (push (if (= prev (1- (car unread))) prev
12309 (cons prev (1- (car unread))))
12311 (setq prev (1+ (car unread)))
12312 (setq unread (cdr unread)))
12313 (when (<= prev (cdr active))
12314 (push (cons prev (cdr active)) read))
12315 (setq read (if (> (length read) 1) (nreverse read) read))
12320 ;; Propagate the read marks to the backend.
12321 (when (and gnus-propagate-marks
12322 (gnus-check-backend-function 'request-set-mark group))
12323 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
12324 (add (gnus-remove-from-range read (gnus-info-read info))))
12326 (unless (gnus-check-group group)
12327 (error "Can't open server for %s" group))
12328 (gnus-request-set-mark
12329 group (delq nil (list (if add (list add 'add '(read)))
12330 (if del (list del 'del '(read))))))
12332 `(gnus-request-set-mark
12335 (if del (list del 'add '(read)))
12336 (if add (list add 'del '(read))))))))))
12337 (set-buffer gnus-group-buffer)
12338 (gnus-undo-register
12340 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
12341 (gnus-info-set-read ',info ',(gnus-info-read info))
12342 (gnus-get-unread-articles-in-group ',info
12343 (gnus-active ,group))
12344 (gnus-group-update-group ,group t)
12346 ;; Enter this list into the group info.
12347 (gnus-info-set-read info read)
12348 ;; Set the number of unread articles in gnus-newsrc-hashtb.
12349 (gnus-get-unread-articles-in-group info (gnus-active group))
12352 (defun gnus-offer-save-summaries ()
12353 "Offer to save all active summary buffers."
12355 ;; Go through all buffers and find all summaries.
12356 (dolist (buffer (buffer-list))
12357 (when (and (setq buffer (buffer-name buffer))
12358 (string-match "Summary" buffer)
12359 (with-current-buffer buffer
12360 ;; We check that this is, indeed, a summary buffer.
12361 (and (eq major-mode 'gnus-summary-mode)
12362 ;; Also make sure this isn't bogus.
12363 gnus-newsgroup-prepared
12364 ;; Also make sure that this isn't a
12365 ;; dead summary buffer.
12366 (not gnus-dead-summary-mode))))
12367 (push buffer buffers)))
12368 ;; Go through all these summary buffers and offer to save them.
12372 "Update summary buffer %s? "
12374 (switch-to-buffer buf)
12375 (gnus-summary-exit))
12378 (defun gnus-summary-setup-default-charset ()
12379 "Setup newsgroup default charset."
12380 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
12381 (setq gnus-newsgroup-charset nil)
12382 (let* ((ignored-charsets
12383 (or gnus-newsgroup-ephemeral-ignored-charsets
12385 (and gnus-newsgroup-name
12386 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
12387 gnus-newsgroup-ignored-charsets))))
12388 (setq gnus-newsgroup-charset
12389 (or gnus-newsgroup-ephemeral-charset
12390 (and gnus-newsgroup-name
12391 (gnus-parameter-charset gnus-newsgroup-name))
12392 gnus-default-charset))
12393 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
12394 ignored-charsets))))
12400 (defun gnus-summary-display-buttonized (&optional show-all-parts)
12401 "Display the current article buffer fully MIME-buttonized.
12402 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
12403 treated as multipart/mixed."
12405 (require 'gnus-art)
12406 (let ((gnus-unbuttonized-mime-types nil)
12407 (gnus-mime-display-multipart-as-mixed show-all-parts))
12408 (gnus-summary-show-article)))
12410 (defun gnus-summary-repair-multipart (article)
12411 "Add a Content-Type header to a multipart article without one."
12412 (interactive (list (gnus-summary-article-number)))
12413 (gnus-with-article article
12414 (message-narrow-to-head)
12415 (message-remove-header "Mime-Version")
12416 (goto-char (point-max))
12417 (insert "Mime-Version: 1.0\n")
12419 (when (search-forward "\n--" nil t)
12420 (let ((separator (buffer-substring (point) (point-at-eol))))
12421 (message-narrow-to-head)
12422 (message-remove-header "Content-Type")
12423 (goto-char (point-max))
12424 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
12427 (let (gnus-mark-article-hook)
12428 (gnus-summary-select-article t t nil article)))
12430 (defun gnus-summary-toggle-display-buttonized ()
12431 "Toggle the buttonizing of the article buffer."
12433 (require 'gnus-art)
12434 (if (setq gnus-inhibit-mime-unbuttonizing
12435 (not gnus-inhibit-mime-unbuttonizing))
12436 (let ((gnus-unbuttonized-mime-types nil))
12437 (gnus-summary-show-article))
12438 (gnus-summary-show-article)))
12441 ;;; Generic summary marking commands
12444 (defvar gnus-summary-marking-alist
12445 '((read gnus-del-mark "d")
12446 (unread gnus-unread-mark "u")
12447 (ticked gnus-ticked-mark "!")
12448 (dormant gnus-dormant-mark "?")
12449 (expirable gnus-expirable-mark "e"))
12450 "An alist of names/marks/keystrokes.")
12452 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
12453 (defvar gnus-summary-mark-map)
12455 (defun gnus-summary-make-all-marking-commands ()
12456 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
12457 (dolist (elem gnus-summary-marking-alist)
12458 (apply 'gnus-summary-make-marking-command elem)))
12460 (defun gnus-summary-make-marking-command (name mark keystroke)
12461 (let ((map (make-sparse-keymap)))
12462 (define-key gnus-summary-generic-mark-map keystroke map)
12463 (dolist (lway `((next "next" next nil "n")
12464 (next-unread "next unread" next t "N")
12465 (prev "previous" prev nil "p")
12466 (prev-unread "previous unread" prev t "P")
12467 (nomove "" nil nil ,keystroke)))
12468 (let ((func (gnus-summary-make-marking-command-1
12469 mark (car lway) lway name)))
12470 (setq func (eval func))
12471 (define-key map (nth 4 lway) func)))))
12473 (defun gnus-summary-make-marking-command-1 (mark way lway name)
12475 (format "gnus-summary-put-mark-as-%s%s"
12476 name (if (eq way 'nomove)
12478 (concat "-" (symbol-name way)))))
12481 "Mark the current article as %s%s.
12482 If N, the prefix, then repeat N times.
12483 If N is negative, move in reverse order.
12484 The difference between N and the actual number of articles marked is
12488 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
12490 (defun gnus-summary-generic-mark (n mark move unread)
12491 "Mark N articles with MARK."
12492 (unless (eq major-mode 'gnus-summary-mode)
12493 (error "This command can only be used in the summary buffer"))
12494 (gnus-summary-show-thread)
12497 ((eq move 'next) 1)
12498 ((eq move 'prev) -1)
12500 (if (zerop nummove)
12504 nummove (* -1 nummove))))
12505 (while (and (> n 0)
12506 (gnus-summary-mark-article nil mark)
12507 (zerop (gnus-summary-next-subject nummove unread t)))
12510 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
12511 (gnus-summary-recenter)
12512 (gnus-summary-position-point)
12513 (gnus-set-mode-line 'summary)
12516 (defun gnus-summary-insert-articles (articles)
12517 (when (setq articles
12518 (gnus-sorted-difference articles
12519 (mapcar (lambda (h)
12520 (mail-header-number h))
12521 gnus-newsgroup-headers)))
12522 (setq gnus-newsgroup-headers
12524 gnus-newsgroup-headers
12525 (gnus-fetch-headers articles)
12526 'gnus-article-sort-by-number))
12527 ;; Suppress duplicates?
12528 (when gnus-suppress-duplicates
12529 (gnus-dup-suppress-articles))
12531 (if (and gnus-fetch-old-headers
12532 (eq gnus-headers-retrieved-by 'nov))
12533 ;; We might want to build some more threads first.
12534 (if (eq gnus-fetch-old-headers 'invisible)
12535 (gnus-build-all-threads)
12536 (gnus-build-old-threads))
12537 ;; Mark the inserted articles that are unread as unread.
12538 (setq gnus-newsgroup-unreads
12539 (gnus-sorted-nunion
12540 gnus-newsgroup-unreads
12541 (gnus-sorted-nintersection
12542 (gnus-list-of-unread-articles gnus-newsgroup-name)
12544 ;; Mark the inserted articles as selected so that the information
12545 ;; of the marks having been changed by a user may be updated when
12546 ;; exiting this group. See `gnus-summary-update-info'.
12547 (dolist (art articles)
12548 (setq gnus-newsgroup-unselected (delq art gnus-newsgroup-unselected))))
12549 ;; Let the Gnus agent mark articles as read.
12551 (gnus-agent-get-undownloaded-list))
12552 ;; Remove list identifiers from subject
12553 (when gnus-list-identifiers
12554 (gnus-summary-remove-list-identifiers))
12555 ;; First and last article in this newsgroup.
12556 (when gnus-newsgroup-headers
12557 (setq gnus-newsgroup-begin
12558 (mail-header-number (car gnus-newsgroup-headers))
12560 (mail-header-number
12561 (gnus-last-element gnus-newsgroup-headers))))
12562 (when gnus-use-scoring
12563 (gnus-possibly-score-headers))))
12565 (defun gnus-summary-insert-old-articles (&optional all)
12566 "Insert all old articles in this group.
12567 If ALL is non-nil, already read articles become readable.
12568 If ALL is a number, fetch this number of articles."
12571 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
12574 ;; Some nntp servers lie about their active range. When
12575 ;; this happens, the active range can be in the millions.
12576 ;; Use a compressed range to avoid creating a huge list.
12577 (gnus-range-difference (list gnus-newsgroup-active) old))
12578 (setq len (gnus-range-length older))
12583 (let ((older-range (nreverse older)))
12587 (let* ((r (pop older-range))
12588 (min (if (numberp r) r (car r)))
12589 (max (if (numberp r) r (cdr r))))
12590 (while (and (<= min max)
12595 (setq older (gnus-uncompress-range older))))
12597 (setq older (gnus-uncompress-range older)))
12599 (when (and (numberp gnus-large-newsgroup)
12600 (> len gnus-large-newsgroup))
12601 (let* ((cursor-in-echo-area nil)
12602 (initial (gnus-parameter-large-newsgroup-initial
12603 gnus-newsgroup-name))
12607 "How many articles from %s (%s %d): "
12608 (gnus-group-decoded-name gnus-newsgroup-name)
12609 (if initial "max" "default")
12612 (cons (number-to-string initial)
12614 (unless (string-match "^[ \t]*$" input)
12615 (setq all (string-to-number input))
12617 (let ((older-range (nreverse older)))
12621 (let* ((r (pop older-range))
12622 (min (if (numberp r) r (car r)))
12623 (max (if (numberp r) r (cdr r))))
12624 (while (and (<= min max)
12628 max (1- max))))))))))
12629 (setq older (gnus-uncompress-range older))))
12631 (message "No old news.")
12632 (gnus-summary-insert-articles older)
12633 (gnus-summary-limit (gnus-sorted-nunion old older))))
12634 (gnus-summary-position-point)))
12636 (defun gnus-summary-insert-new-articles ()
12637 "Insert all new articles in this group."
12640 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
12641 (old-active gnus-newsgroup-active)
12642 (nnmail-fetched-sources (list t))
12644 (setq gnus-newsgroup-active
12645 (gnus-activate-group gnus-newsgroup-name 'scan))
12646 (setq i (cdr gnus-newsgroup-active))
12647 (while (> i (cdr old-active))
12651 (message "No gnus is bad news")
12652 (gnus-summary-insert-articles new)
12653 (setq gnus-newsgroup-unreads
12654 (gnus-sorted-nunion gnus-newsgroup-unreads new))
12655 (gnus-summary-limit (gnus-sorted-nunion old new))))
12656 (gnus-summary-position-point)))
12658 ;;; Bookmark support for Gnus.
12659 (declare-function bookmark-make-record-default
12660 "bookmark" (&optional no-file no-context posn))
12661 (declare-function bookmark-prop-get "bookmark" (bookmark prop))
12662 (declare-function bookmark-default-handler "bookmark" (bmk))
12663 (declare-function bookmark-get-bookmark-record "bookmark" (bmk))
12664 (defvar bookmark-yank-point)
12665 (defvar bookmark-current-buffer)
12667 (defun gnus-summary-bookmark-make-record ()
12668 "Make a bookmark entry for a Gnus summary buffer."
12670 (unless (and (derived-mode-p 'gnus-summary-mode) gnus-article-current)
12671 (save-restriction ; FIXME is it necessary to widen?
12672 (widen) (setq pos (point))) ; Set position in gnus-article buffer.
12673 (setq buf "art") ; We are recording bookmark from article buffer.
12674 (setq bookmark-yank-point (point))
12675 (setq bookmark-current-buffer (current-buffer))
12676 (gnus-article-show-summary)) ; Go back in summary buffer.
12677 ;; We are now recording bookmark from summary buffer.
12678 (unless buf (setq buf "sum"))
12679 (let* ((subject (elt (gnus-summary-article-header) 1))
12680 (grp (car gnus-article-current))
12681 (art (cdr gnus-article-current))
12682 (head (gnus-summary-article-header art))
12683 (id (mail-header-id head)))
12685 ,@(condition-case nil
12686 (bookmark-make-record-default 'no-file 'no-context pos)
12687 (wrong-number-of-arguments
12688 (bookmark-make-record-default 'point-only)))
12689 (location . ,(format "Gnus-%s %s:%d:%s" buf grp art id))
12690 (group . ,grp) (article . ,art)
12691 (message-id . ,id) (handler . gnus-summary-bookmark-jump)))))
12694 (defun gnus-summary-bookmark-jump (bookmark)
12695 "Handler function for record returned by `gnus-summary-bookmark-make-record'.
12696 BOOKMARK is a bookmark name or a bookmark record."
12697 (let ((group (bookmark-prop-get bookmark 'group))
12698 (article (bookmark-prop-get bookmark 'article))
12699 (id (bookmark-prop-get bookmark 'message-id))
12700 (buf (car (split-string (bookmark-prop-get bookmark 'location)))))
12701 (gnus-fetch-group group (list article))
12702 (gnus-summary-insert-cached-articles)
12703 (gnus-summary-goto-article id nil 'force)
12704 ;; FIXME we have to wait article buffer is ready (only large buffer)
12705 ;; Is there a better solution to know that?
12706 ;; If we don't wait `bookmark-default-handler' will have no chance
12707 ;; to set position. However there is no error, just wrong pos.
12709 (when (string= buf "Gnus-art")
12711 (bookmark-default-handler
12713 (buffer . ,(current-buffer))
12714 . ,(bookmark-get-bookmark-record bookmark)))))
12716 (gnus-summary-make-all-marking-commands)
12718 (gnus-ems-redefine)
12720 (provide 'gnus-sum)
12722 (run-hooks 'gnus-sum-load-hook)
12724 ;; Local Variables:
12725 ;; coding: iso-8859-1
12728 ;;; gnus-sum.el ends here