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 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 (defvar tool-bar-mode)
35 (defvar gnus-tmp-header)
48 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
49 (autoload 'gnus-cache-write-active "gnus-cache")
50 (autoload 'gnus-mailing-list-insinuate "gnus-ml" nil t)
51 (autoload 'turn-on-gnus-mailing-list-mode "gnus-ml" nil t)
52 (autoload 'gnus-pick-line-number "gnus-salt" nil t)
53 (autoload 'mm-uu-dissect "mm-uu")
54 (autoload 'gnus-article-outlook-deuglify-article "deuglify"
55 "Deuglify broken Outlook (Express) articles and redisplay."
57 (autoload 'gnus-article-outlook-unwrap-lines "deuglify" nil t)
58 (autoload 'gnus-article-outlook-repair-attribution "deuglify" nil t)
59 (autoload 'gnus-article-outlook-rearrange-citation "deuglify" nil t)
61 (defcustom gnus-kill-summary-on-exit t
62 "*If non-nil, kill the summary buffer when you exit from it.
63 If nil, the summary will become a \"*Dead Summary*\" buffer, and
64 it will be killed sometime later."
65 :group 'gnus-summary-exit
68 (defcustom gnus-summary-next-group-on-exit t
69 "If non-nil, go to the next unread newsgroup on summary exit.
70 See `gnus-group-goto-unread'."
71 :link '(custom-manual "(gnus)Group Maneuvering")
72 :group 'gnus-summary-exit
73 :version "23.1" ;; No Gnus
76 (defcustom gnus-fetch-old-headers nil
77 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
78 If an unread article in the group refers to an older, already
79 read (or just marked as read) article, the old article will not
80 normally be displayed in the Summary buffer. If this variable is
81 t, Gnus will attempt to grab the headers to the old articles, and
82 thereby build complete threads. If it has the value `some', all
83 old headers will be fetched but only enough headers to connect
84 otherwise loose threads will be displayed. This variable can
85 also be a number. In that case, no more than that number of old
86 headers will be fetched. If it has the value `invisible', all
87 old headers will be fetched, but none will be displayed.
89 The server has to support NOV for any of this to work.
91 This feature can seriously impact performance it ignores all
92 locally cached header entries. Setting it to t for groups for a
93 server that doesn't expire articles (such as news.gmane.org),
94 leads to very slow summary generation."
96 :type '(choice (const :tag "off" nil)
101 (sexp :menu-tag "other" t)))
103 (defcustom gnus-refer-thread-limit 500
104 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
105 If t, fetch all the available old headers."
107 :type '(choice number
108 (sexp :menu-tag "other" t)))
110 (defcustom gnus-summary-make-false-root 'adopt
111 "*nil means that Gnus won't gather loose threads.
112 If the root of a thread has expired or been read in a previous
113 session, the information necessary to build a complete thread has been
114 lost. Instead of having many small sub-threads from this original thread
115 scattered all over the summary buffer, Gnus can gather them.
117 If non-nil, Gnus will try to gather all loose sub-threads from an
118 original thread into one large thread.
120 If this variable is non-nil, it should be one of `none', `adopt',
123 If this variable is `none', Gnus will not make a false root, but just
124 present the sub-threads after another.
125 If this variable is `dummy', Gnus will create a dummy root that will
126 have all the sub-threads as children.
127 If this variable is `adopt', Gnus will make one of the \"children\"
128 the parent and mark all the step-children as such.
129 If this variable is `empty', the \"children\" are printed with empty
130 subject fields. (Or rather, they will be printed with a string
131 given by the `gnus-summary-same-subject' variable.)"
133 :type '(choice (const :tag "off" nil)
139 (defcustom gnus-summary-make-false-root-always nil
140 "Always make a false dummy root."
145 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
146 "*A regexp to match subjects to be excluded from loose thread gathering.
147 As loose thread gathering is done on subjects only, that means that
148 there can be many false gatherings performed. By rooting out certain
149 common subjects, gathering might become saner."
153 (defcustom gnus-summary-gather-subject-limit nil
154 "*Maximum length of subject comparisons when gathering loose threads.
155 Use nil to compare full subjects. Setting this variable to a low
156 number will help gather threads that have been corrupted by
157 newsreaders chopping off subject lines, but it might also mean that
158 unrelated articles that have subject that happen to begin with the
159 same few characters will be incorrectly gathered.
161 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
164 :type '(choice (const :tag "off" nil)
166 (sexp :menu-tag "on" t)))
168 (defcustom gnus-simplify-subject-functions nil
169 "List of functions taking a string argument that simplify subjects.
170 The functions are applied recursively.
172 Useful functions to put in this list include:
173 `gnus-simplify-subject-re', `gnus-simplify-subject-fuzzy',
174 `gnus-simplify-whitespace', and `gnus-simplify-all-whitespace'."
176 :type '(repeat function))
178 (defcustom gnus-simplify-ignored-prefixes nil
179 "*Remove matches for this regexp from subject lines when simplifying fuzzily."
181 :type '(choice (const :tag "off" nil)
184 (defcustom gnus-build-sparse-threads nil
185 "*If non-nil, fill in the gaps in threads.
186 If `some', only fill in the gaps that are needed to tie loose threads
187 together. If `more', fill in all leaf nodes that Gnus can find. If
188 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
190 :type '(choice (const :tag "off" nil)
193 (sexp :menu-tag "all" t)))
195 (defcustom gnus-summary-thread-gathering-function
196 'gnus-gather-threads-by-subject
197 "*Function used for gathering loose threads.
198 There are two pre-defined functions: `gnus-gather-threads-by-subject',
199 which only takes Subjects into consideration; and
200 `gnus-gather-threads-by-references', which compared the References
201 headers of the articles to find matches."
203 :type '(radio (function-item gnus-gather-threads-by-subject)
204 (function-item gnus-gather-threads-by-references)
205 (function :tag "other")))
207 (defcustom gnus-summary-same-subject ""
208 "*String indicating that the current article has the same subject as the previous.
209 This variable will only be used if the value of
210 `gnus-summary-make-false-root' is `empty'."
211 :group 'gnus-summary-format
214 (defcustom gnus-summary-goto-unread t
215 "*If t, many commands will go to the next unread article.
216 This applies to marking commands as well as other commands that
217 \"naturally\" select the next article, like, for instance, `SPC' at
218 the end of an article.
220 If nil, the marking commands do NOT go to the next unread article
221 \(they go to the next article instead). If `never', commands that
222 usually go to the next unread article, will go to the next article,
223 whether it is read or not."
224 :group 'gnus-summary-marks
225 :link '(custom-manual "(gnus)Setting Marks")
226 :type '(choice (const :tag "off" nil)
228 (sexp :menu-tag "on" t)))
230 (defcustom gnus-summary-default-score 0
231 "*Default article score level.
232 All scores generated by the score files will be added to this score.
233 If this variable is nil, scoring will be disabled."
234 :group 'gnus-score-default
235 :type '(choice (const :tag "disable")
238 (defcustom gnus-summary-default-high-score 0
239 "*Default threshold for a high scored article.
240 An article will be highlighted as high scored if its score is greater
243 :group 'gnus-score-default
246 (defcustom gnus-summary-default-low-score 0
247 "*Default threshold for a low scored article.
248 An article will be highlighted as low scored if its score is smaller
251 :group 'gnus-score-default
254 (defcustom gnus-summary-zcore-fuzz 0
255 "*Fuzziness factor for the zcore in the summary buffer.
256 Articles with scores closer than this to `gnus-summary-default-score'
258 :group 'gnus-summary-format
261 (defcustom gnus-simplify-subject-fuzzy-regexp nil
262 "*Strings to be removed when doing fuzzy matches.
263 This can either be a regular expression or list of regular expressions
264 that will be removed from subject strings if fuzzy subject
265 simplification is selected."
267 :type '(repeat regexp))
269 (defcustom gnus-show-threads t
270 "*If non-nil, display threads in summary mode."
274 (defcustom gnus-thread-hide-subtree nil
275 "*If non-nil, hide all threads initially.
276 This can be a predicate specifier which says which threads to hide.
277 If threads are hidden, you have to run the command
278 `gnus-summary-show-thread' by hand or select an article."
280 :type '(radio (sexp :format "Non-nil\n"
281 :match (lambda (widget value)
282 (not (or (consp value) (functionp value))))
285 (sexp :tag "Predicate specifier")))
287 (defcustom gnus-thread-hide-killed t
288 "*If non-nil, hide killed threads automatically."
292 (defcustom gnus-thread-ignore-subject t
293 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
294 If nil, articles that have different subjects from their parents will
295 start separate threads."
299 (defcustom gnus-thread-operation-ignore-subject t
300 "*If non-nil, subjects will be ignored when doing thread commands.
301 This affects commands like `gnus-summary-kill-thread' and
302 `gnus-summary-lower-thread'.
304 If this variable is nil, articles in the same thread with different
305 subjects will not be included in the operation in question. If this
306 variable is `fuzzy', only articles that have subjects that are fuzzily
307 equal will be included."
309 :type '(choice (const :tag "off" nil)
313 (defcustom gnus-thread-indent-level 4
314 "*Number that says how much each sub-thread should be indented."
318 (defcustom gnus-auto-extend-newsgroup t
319 "*If non-nil, extend newsgroup forward and backward when requested."
320 :group 'gnus-summary-choose
323 (defcustom gnus-auto-select-first t
324 "If non-nil, select an article on group entry.
325 An article is selected automatically when entering a group
326 e.g. with \\<gnus-group-mode-map>\\[gnus-group-read-group], or via `gnus-summary-next-page' or
327 `gnus-summary-catchup-and-goto-next-group'.
329 Which article is selected is controlled by the variable
330 `gnus-auto-select-subject'.
332 If you want to prevent automatic selection of articles in some
333 newsgroups, set the variable to nil in `gnus-select-group-hook'."
334 ;; Commands include...
335 ;; \\<gnus-group-mode-map>\\[gnus-group-read-group]
336 ;; \\<gnus-summary-mode-map>\\[gnus-summary-next-page]
337 ;; \\<gnus-summary-mode-map>\\[gnus-summary-catchup-and-goto-next-group]
338 :group 'gnus-group-select
339 :type '(choice (const :tag "none" nil)
340 (sexp :menu-tag "first" t)))
342 (defcustom gnus-auto-select-subject 'unread
343 "*Says what subject to place under point when entering a group.
345 This variable can either be the symbols `first' (place point on the
346 first subject), `unread' (place point on the subject line of the first
347 unread article), `best' (place point on the subject line of the
348 higest-scored article), `unseen' (place point on the subject line of
349 the first unseen article), `unseen-or-unread' (place point on the subject
350 line of the first unseen article or, if all article have been seen, on the
351 subject line of the first unread article), or a function to be called to
352 place point on some subject line."
354 :group 'gnus-group-select
355 :type '(choice (const best)
359 (const unseen-or-unread)))
361 (defcustom gnus-auto-select-next t
362 "*If non-nil, offer to go to the next group from the end of the previous.
363 If the value is t and the next newsgroup is empty, Gnus will exit
364 summary mode and go back to group mode. If the value is neither nil
365 nor t, Gnus will select the following unread newsgroup. In
366 particular, if the value is the symbol `quietly', the next unread
367 newsgroup will be selected without any confirmation, and if it is
368 `almost-quietly', the next group will be selected without any
369 confirmation if you are located on the last article in the group.
370 Finally, if this variable is `slightly-quietly', the `\\<gnus-summary-mode-map>\\[gnus-summary-catchup-and-goto-next-group]' command
371 will go to the next group without confirmation."
372 :group 'gnus-summary-maneuvering
373 :type '(choice (const :tag "off" nil)
375 (const almost-quietly)
376 (const slightly-quietly)
377 (sexp :menu-tag "on" t)))
379 (defcustom gnus-auto-select-same nil
380 "*If non-nil, select the next article with the same subject.
381 If there are no more articles with the same subject, go to
382 the first unread article."
383 :group 'gnus-summary-maneuvering
386 (defcustom gnus-auto-select-on-ephemeral-exit 'next-noselect
387 "What article should be selected after exiting an ephemeral group.
388 Valid values include:
391 Select the next article.
393 Select the next unread article.
395 Move the cursor to the next article. This is the default.
396 `next-unread-noselect'
397 Move the cursor to the next unread article.
399 If it has any other value or there is no next (unread) article, the
400 article selected before entering to the ephemeral group will appear."
401 :version "23.1" ;; No Gnus
402 :group 'gnus-summary-maneuvering
403 :type '(choice :format "%{%t%}:\n %[Value Menu%] %v"
404 (const next) (const next-unread)
405 (const next-noselect) (const next-unread-noselect)
406 (sexp :tag "other" :value nil)))
408 (defcustom gnus-auto-goto-ignores 'unfetched
409 "*Says how to handle unfetched articles when maneuvering.
411 This variable can either be the symbols nil (maneuver to any
412 article), `undownloaded' (maneuvering while unplugged ignores articles
413 that have not been fetched), `always-undownloaded' (maneuvering always
414 ignores articles that have not been fetched), `unfetched' (maneuvering
415 ignores articles whose headers have not been fetched).
417 NOTE: The list of unfetched articles will always be nil when plugged
418 and, when unplugged, a subset of the undownloaded article list."
420 :group 'gnus-summary-maneuvering
421 :type '(choice (const :tag "None" nil)
422 (const :tag "Undownloaded when unplugged" undownloaded)
423 (const :tag "Undownloaded" always-undownloaded)
424 (const :tag "Unfetched" unfetched)))
426 (defcustom gnus-summary-check-current nil
427 "*If non-nil, consider the current article when moving.
428 The \"unread\" movement commands will stay on the same line if the
429 current article is unread."
430 :group 'gnus-summary-maneuvering
433 (defcustom gnus-auto-center-summary 2
434 "*If non-nil, always center the current summary buffer.
435 In particular, if `vertical' do only vertical recentering. If non-nil
436 and non-`vertical', do both horizontal and vertical recentering."
437 :group 'gnus-summary-maneuvering
438 :type '(choice (const :tag "none" nil)
440 (integer :tag "height")
441 (sexp :menu-tag "both" t)))
443 (defvar gnus-auto-center-group t
444 "*If non-nil, always center the group buffer.")
446 (defcustom gnus-show-all-headers nil
447 "*If non-nil, don't hide any headers."
448 :group 'gnus-article-hiding
449 :group 'gnus-article-headers
452 (defcustom gnus-summary-ignore-duplicates nil
453 "*If non-nil, ignore articles with identical Message-ID headers."
457 (defcustom gnus-single-article-buffer t
458 "*If non-nil, display all articles in the same buffer.
459 If nil, each group will get its own article buffer."
460 :group 'gnus-article-various
463 (defcustom gnus-break-pages t
464 "*If non-nil, do page breaking on articles.
465 The page delimiter is specified by the `gnus-page-delimiter'
467 :group 'gnus-article-various
470 (defcustom gnus-move-split-methods nil
471 "*Variable used to suggest where articles are to be moved to.
472 It uses the same syntax as the `gnus-split-methods' variable.
473 However, whereas `gnus-split-methods' specifies file names as targets,
474 this variable specifies group names."
475 :group 'gnus-summary-mail
476 :type '(repeat (choice (list :value (fun) function)
477 (cons :value ("" "") regexp (repeat string))
480 (defcustom gnus-move-group-prefix-function 'gnus-group-real-prefix
481 "Function used to compute default prefix for article move/copy/etc prompts.
482 The function should take one argument, a group name, and return a
483 string with the suggested prefix."
484 :group 'gnus-summary-mail
487 ;; FIXME: Although the custom type is `character' for the following variables,
488 ;; using multibyte characters (Latin-1, UTF-8) doesn't work. -- rs
490 (defcustom gnus-unread-mark ? ;Whitespace
491 "*Mark used for unread articles."
492 :group 'gnus-summary-marks
495 (defcustom gnus-ticked-mark ?!
496 "*Mark used for ticked articles."
497 :group 'gnus-summary-marks
500 (defcustom gnus-dormant-mark ??
501 "*Mark used for dormant articles."
502 :group 'gnus-summary-marks
505 (defcustom gnus-del-mark ?r
506 "*Mark used for del'd articles."
507 :group 'gnus-summary-marks
510 (defcustom gnus-read-mark ?R
511 "*Mark used for read articles."
512 :group 'gnus-summary-marks
515 (defcustom gnus-expirable-mark ?E
516 "*Mark used for expirable articles."
517 :group 'gnus-summary-marks
520 (defcustom gnus-killed-mark ?K
521 "*Mark used for killed articles."
522 :group 'gnus-summary-marks
525 (defcustom gnus-spam-mark ?$
526 "*Mark used for spam articles."
528 :group 'gnus-summary-marks
531 (defcustom gnus-souped-mark ?F
532 "*Mark used for souped articles."
533 :group 'gnus-summary-marks
536 (defcustom gnus-kill-file-mark ?X
537 "*Mark used for articles killed by kill files."
538 :group 'gnus-summary-marks
541 (defcustom gnus-low-score-mark ?Y
542 "*Mark used for articles with a low score."
543 :group 'gnus-summary-marks
546 (defcustom gnus-catchup-mark ?C
547 "*Mark used for articles that are caught up."
548 :group 'gnus-summary-marks
551 (defcustom gnus-replied-mark ?A
552 "*Mark used for articles that have been replied to."
553 :group 'gnus-summary-marks
556 (defcustom gnus-forwarded-mark ?F
557 "*Mark used for articles that have been forwarded."
559 :group 'gnus-summary-marks
562 (defcustom gnus-recent-mark ?N
563 "*Mark used for articles that are recent."
565 :group 'gnus-summary-marks
568 (defcustom gnus-cached-mark ?*
569 "*Mark used for articles that are in the cache."
570 :group 'gnus-summary-marks
573 (defcustom gnus-saved-mark ?S
574 "*Mark used for articles that have been saved."
575 :group 'gnus-summary-marks
578 (defcustom gnus-unseen-mark ?.
579 "*Mark used for articles that haven't been seen."
581 :group 'gnus-summary-marks
584 (defcustom gnus-no-mark ? ;Whitespace
585 "*Mark used for articles that have no other secondary mark."
587 :group 'gnus-summary-marks
590 (defcustom gnus-ancient-mark ?O
591 "*Mark used for ancient articles."
592 :group 'gnus-summary-marks
595 (defcustom gnus-sparse-mark ?Q
596 "*Mark used for sparsely reffed articles."
597 :group 'gnus-summary-marks
600 (defcustom gnus-canceled-mark ?G
601 "*Mark used for canceled articles."
602 :group 'gnus-summary-marks
605 (defcustom gnus-duplicate-mark ?M
606 "*Mark used for duplicate articles."
607 :group 'gnus-summary-marks
610 (defcustom gnus-undownloaded-mark ?-
611 "*Mark used for articles that weren't downloaded."
613 :group 'gnus-summary-marks
616 (defcustom gnus-downloaded-mark ?+
617 "*Mark used for articles that were downloaded."
618 :group 'gnus-summary-marks
621 (defcustom gnus-downloadable-mark ?%
622 "*Mark used for articles that are to be downloaded."
623 :group 'gnus-summary-marks
626 (defcustom gnus-unsendable-mark ?=
627 "*Mark used for articles that won't be sent."
628 :group 'gnus-summary-marks
631 (defcustom gnus-score-over-mark ?+
632 "*Score mark used for articles with high scores."
633 :group 'gnus-summary-marks
636 (defcustom gnus-score-below-mark ?-
637 "*Score mark used for articles with low scores."
638 :group 'gnus-summary-marks
641 (defcustom gnus-empty-thread-mark ? ;Whitespace
642 "*There is no thread under the article."
643 :group 'gnus-summary-marks
646 (defcustom gnus-not-empty-thread-mark ?=
647 "*There is a thread under the article."
648 :group 'gnus-summary-marks
651 (defcustom gnus-view-pseudo-asynchronously nil
652 "*If non-nil, Gnus will view pseudo-articles asynchronously."
653 :group 'gnus-extract-view
656 (defcustom gnus-auto-expirable-marks
657 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
658 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
659 gnus-souped-mark gnus-duplicate-mark)
660 "*The list of marks converted into expiration if a group is auto-expirable."
663 :type '(repeat character))
665 (defcustom gnus-inhibit-user-auto-expire t
666 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
671 (defcustom gnus-mark-copied-or-moved-articles-as-expirable nil
672 "If non-nil, mark articles copied or moved to auto-expire group as expirable.
673 If nil, the expirable marks will be unchanged except that the marks
674 will be removed when copying or moving articles to a group that has
675 not turned auto-expire on. If non-nil, articles that have been read
676 will be marked as expirable when being copied or moved to a group in
677 which auto-expire is turned on."
680 :group 'gnus-summary-marks)
682 (defcustom gnus-view-pseudos nil
683 "*If `automatic', pseudo-articles will be viewed automatically.
684 If `not-confirm', pseudos will be viewed automatically, and the user
685 will not be asked to confirm the command."
686 :group 'gnus-extract-view
687 :type '(choice (const :tag "off" nil)
689 (const not-confirm)))
691 (defcustom gnus-view-pseudos-separately t
692 "*If non-nil, one pseudo-article will be created for each file to be viewed.
693 If nil, all files that use the same viewing command will be given as a
694 list of parameters to that command."
695 :group 'gnus-extract-view
698 (defcustom gnus-insert-pseudo-articles t
699 "*If non-nil, insert pseudo-articles when decoding articles."
700 :group 'gnus-extract-view
703 (defcustom gnus-summary-dummy-line-format
705 "*The format specification for the dummy roots in the summary buffer.
706 It works along the same lines as a normal formatting string,
707 with some simple extensions.
711 General format specifiers can also be used.
712 See `(gnus)Formatting Variables'."
713 :link '(custom-manual "(gnus)Formatting Variables")
714 :group 'gnus-threading
717 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
718 "*The format specification for the summary mode line.
719 It works along the same lines as a normal formatting string,
720 with some simple extensions:
723 %p Unprefixed group name
724 %A Current article number
725 %z Current article score
727 %U Number of unread articles in the group
728 %e Number of unselected articles in the group
729 %Z A string with unread/unselected article counts
730 %g Shortish group name
731 %S Subject of the current article
733 %s Current score file name
734 %d Number of dormant articles
735 %r Number of articles that have been marked as read in this session
736 %E Number of articles expunged by the score files"
737 :group 'gnus-summary-format
740 (defcustom gnus-list-identifiers nil
741 "Regexp that matches list identifiers to be removed from subject.
742 This can also be a list of regexps."
744 :group 'gnus-summary-format
745 :group 'gnus-article-hiding
746 :type '(choice (const :tag "none" nil)
748 (repeat :value (".*") regexp)))
750 (defcustom gnus-summary-mark-below 0
751 "*Mark all articles with a score below this variable as read.
752 This variable is local to each summary buffer and usually set by the
754 :group 'gnus-score-default
757 (defun gnus-widget-reversible-match (widget value)
758 "Ignoring WIDGET, convert VALUE to internal form.
759 VALUE should have the form `FOO' or `(not FOO)', where FOO is an symbol."
763 (eq (length value) 2)
764 (eq (nth 0 value) 'not)
765 (symbolp (nth 1 value)))))
767 (defun gnus-widget-reversible-to-internal (widget value)
768 "Ignoring WIDGET, convert VALUE to internal form.
769 VALUE should have the form `FOO' or `(not FOO)', where FOO is an atom.
770 FOO is converted to (FOO nil) and (not FOO) is converted to (FOO t)."
774 (list (nth 1 value) t)))
776 (defun gnus-widget-reversible-to-external (widget value)
777 "Ignoring WIDGET, convert VALUE to external form.
778 VALUE should have the form `(FOO nil)' or `(FOO t)', where FOO is an atom.
779 \(FOO nil) is converted to FOO and (FOO t) is converted to (not FOO)."
782 (list 'not (nth 0 value))
785 (define-widget 'gnus-widget-reversible 'group
786 "A `group' that convert values."
787 :match 'gnus-widget-reversible-match
788 :value-to-internal 'gnus-widget-reversible-to-internal
789 :value-to-external 'gnus-widget-reversible-to-external)
791 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
792 "*List of functions used for sorting articles in the summary buffer.
794 Each function takes two articles and returns non-nil if the first
795 article should be sorted before the other. If you use more than one
796 function, the primary sort function should be the last. You should
797 probably always include `gnus-article-sort-by-number' in the list of
798 sorting functions -- preferably first. Also note that sorting by date
799 is often much slower than sorting by number, and the sorting order is
800 very similar. (Sorting by date means sorting by the time the message
801 was sent, sorting by number means sorting by arrival time.)
803 Each item can also be a list `(not F)' where F is a function;
804 this reverses the sort order.
806 Ready-made functions include `gnus-article-sort-by-number',
807 `gnus-article-sort-by-author', `gnus-article-sort-by-subject',
808 `gnus-article-sort-by-date', `gnus-article-sort-by-random'
809 and `gnus-article-sort-by-score'.
811 When threading is turned on, the variable `gnus-thread-sort-functions'
812 controls how articles are sorted."
813 :group 'gnus-summary-sort
814 :type '(repeat (gnus-widget-reversible
815 (choice (function-item gnus-article-sort-by-number)
816 (function-item gnus-article-sort-by-author)
817 (function-item gnus-article-sort-by-subject)
818 (function-item gnus-article-sort-by-date)
819 (function-item gnus-article-sort-by-score)
820 (function-item gnus-article-sort-by-random)
821 (function :tag "other"))
822 (boolean :tag "Reverse order"))))
825 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
826 "*List of functions used for sorting threads in the summary buffer.
827 By default, threads are sorted by article number.
829 Each function takes two threads and returns non-nil if the first
830 thread should be sorted before the other. If you use more than one
831 function, the primary sort function should be the last. You should
832 probably always include `gnus-thread-sort-by-number' in the list of
833 sorting functions -- preferably first. Also note that sorting by date
834 is often much slower than sorting by number, and the sorting order is
835 very similar. (Sorting by date means sorting by the time the message
836 was sent, sorting by number means sorting by arrival time.)
838 Each list item can also be a list `(not F)' where F is a
839 function; this specifies reversed sort order.
841 Ready-made functions include `gnus-thread-sort-by-number',
842 `gnus-thread-sort-by-author', `gnus-thread-sort-by-recipient'
843 `gnus-thread-sort-by-subject', `gnus-thread-sort-by-date',
844 `gnus-thread-sort-by-score', `gnus-thread-sort-by-most-recent-number',
845 `gnus-thread-sort-by-most-recent-date', `gnus-thread-sort-by-random',
846 and `gnus-thread-sort-by-total-score' (see
847 `gnus-thread-score-function').
849 When threading is turned off, the variable
850 `gnus-article-sort-functions' controls how articles are sorted."
851 :group 'gnus-summary-sort
853 (gnus-widget-reversible
854 (choice (function-item gnus-thread-sort-by-number)
855 (function-item gnus-thread-sort-by-author)
856 (function-item gnus-thread-sort-by-recipient)
857 (function-item gnus-thread-sort-by-subject)
858 (function-item gnus-thread-sort-by-date)
859 (function-item gnus-thread-sort-by-score)
860 (function-item gnus-thread-sort-by-most-recent-number)
861 (function-item gnus-thread-sort-by-most-recent-date)
862 (function-item gnus-thread-sort-by-random)
863 (function-item gnus-thread-sort-by-total-score)
864 (function :tag "other"))
865 (boolean :tag "Reverse order"))))
867 (defcustom gnus-thread-score-function '+
868 "*Function used for calculating the total score of a thread.
870 The function is called with the scores of the article and each
871 subthread and should then return the score of the thread.
873 Some functions you can use are `+', `max', or `min'."
874 :group 'gnus-summary-sort
877 (defcustom gnus-summary-expunge-below nil
878 "All articles that have a score less than this variable will be expunged.
879 This variable is local to the summary buffers."
880 :group 'gnus-score-default
881 :type '(choice (const :tag "off" nil)
884 (defcustom gnus-thread-expunge-below nil
885 "All threads that have a total score less than this variable will be expunged.
886 See `gnus-thread-score-function' for en explanation of what a
889 This variable is local to the summary buffers."
890 :group 'gnus-threading
891 :group 'gnus-score-default
892 :type '(choice (const :tag "off" nil)
895 (defcustom gnus-summary-mode-hook nil
896 "*A hook for Gnus summary mode.
897 This hook is run before any variables are set in the summary buffer."
898 :options '(turn-on-gnus-mailing-list-mode gnus-pick-mode)
899 :group 'gnus-summary-various
902 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
903 (when (featurep 'xemacs)
904 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-summary-menu-add)
905 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-setup-summary-toolbar)
906 (add-hook 'gnus-summary-mode-hook
907 'gnus-xmas-switch-horizontal-scrollbar-off))
909 (defcustom gnus-summary-menu-hook nil
910 "*Hook run after the creation of the summary mode menu."
911 :group 'gnus-summary-visual
914 (defcustom gnus-summary-exit-hook nil
915 "*A hook called on exit from the summary buffer.
916 It will be called with point in the group buffer."
917 :group 'gnus-summary-exit
920 (defcustom gnus-summary-prepare-hook nil
921 "*A hook called after the summary buffer has been generated.
922 If you want to modify the summary buffer, you can use this hook."
923 :group 'gnus-summary-various
926 (defcustom gnus-summary-prepared-hook nil
927 "*A hook called as the last thing after the summary buffer has been generated."
928 :group 'gnus-summary-various
931 (defcustom gnus-summary-generate-hook nil
932 "*A hook run just before generating the summary buffer.
933 This hook is commonly used to customize threading variables and the
935 :group 'gnus-summary-various
938 (defcustom gnus-select-group-hook nil
939 "*A hook called when a newsgroup is selected.
941 If you'd like to simplify subjects like the
942 `gnus-summary-next-same-subject' command does, you can use the
945 (add-hook gnus-select-group-hook
947 (mapcar (lambda (header)
948 (mail-header-set-subject
950 (gnus-simplify-subject
951 (mail-header-subject header) 're-only)))
952 gnus-newsgroup-headers)))"
953 :group 'gnus-group-select
956 (defcustom gnus-select-article-hook nil
957 "*A hook called when an article is selected."
958 :group 'gnus-summary-choose
959 :options '(gnus-agent-fetch-selected-article)
962 (defcustom gnus-visual-mark-article-hook
963 (list 'gnus-highlight-selected-summary)
964 "*Hook run after selecting an article in the summary buffer.
965 It is meant to be used for highlighting the article in some way. It
966 is not run if `gnus-visual' is nil."
967 :group 'gnus-summary-visual
970 (defcustom gnus-parse-headers-hook nil
971 "*A hook called before parsing the headers."
975 (defcustom gnus-exit-group-hook nil
976 "*A hook called when exiting summary mode.
977 This hook is not called from the non-updating exit commands like `Q'."
981 (defcustom gnus-summary-update-hook
982 (list 'gnus-summary-highlight-line)
983 "*A hook called when a summary line is changed.
984 The hook will not be called if `gnus-visual' is nil.
986 The default function `gnus-summary-highlight-line' will
987 highlight the line according to the `gnus-summary-highlight'
989 :group 'gnus-summary-visual
992 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
993 "*A hook called when an article is selected for the first time.
994 The hook is intended to mark an article as read (or unread)
995 automatically when it is selected."
996 :group 'gnus-summary-choose
999 (defcustom gnus-group-no-more-groups-hook nil
1000 "*A hook run when returning to group mode having no more (unread) groups."
1001 :group 'gnus-group-select
1004 (defcustom gnus-ps-print-hook nil
1005 "*A hook run before ps-printing something from Gnus."
1006 :group 'gnus-summary
1009 (defcustom gnus-summary-article-move-hook nil
1010 "*A hook called after an article is moved, copied, respooled, or crossposted."
1012 :group 'gnus-summary
1015 (defcustom gnus-summary-article-delete-hook nil
1016 "*A hook called after an article is deleted."
1018 :group 'gnus-summary
1021 (defcustom gnus-summary-article-expire-hook nil
1022 "*A hook called after an article is expired."
1024 :group 'gnus-summary
1027 (defcustom gnus-summary-display-arrow
1028 (and (fboundp 'display-graphic-p)
1029 (display-graphic-p))
1030 "*If non-nil, display an arrow highlighting the current article."
1032 :group 'gnus-summary
1035 (defcustom gnus-summary-selected-face 'gnus-summary-selected
1036 "Face used for highlighting the current article in the summary buffer."
1037 :group 'gnus-summary-visual
1040 (defvar gnus-tmp-downloaded nil)
1042 (defcustom gnus-summary-highlight
1043 '(((eq mark gnus-canceled-mark)
1044 . gnus-summary-cancelled)
1045 ((and uncached (> score default-high))
1046 . gnus-summary-high-undownloaded)
1047 ((and uncached (< score default-low))
1048 . gnus-summary-low-undownloaded)
1050 . gnus-summary-normal-undownloaded)
1051 ((and (> score default-high)
1052 (or (eq mark gnus-dormant-mark)
1053 (eq mark gnus-ticked-mark)))
1054 . gnus-summary-high-ticked)
1055 ((and (< score default-low)
1056 (or (eq mark gnus-dormant-mark)
1057 (eq mark gnus-ticked-mark)))
1058 . gnus-summary-low-ticked)
1059 ((or (eq mark gnus-dormant-mark)
1060 (eq mark gnus-ticked-mark))
1061 . gnus-summary-normal-ticked)
1062 ((and (> score default-high) (eq mark gnus-ancient-mark))
1063 . gnus-summary-high-ancient)
1064 ((and (< score default-low) (eq mark gnus-ancient-mark))
1065 . gnus-summary-low-ancient)
1066 ((eq mark gnus-ancient-mark)
1067 . gnus-summary-normal-ancient)
1068 ((and (> score default-high) (eq mark gnus-unread-mark))
1069 . gnus-summary-high-unread)
1070 ((and (< score default-low) (eq mark gnus-unread-mark))
1071 . gnus-summary-low-unread)
1072 ((eq mark gnus-unread-mark)
1073 . gnus-summary-normal-unread)
1074 ((> score default-high)
1075 . gnus-summary-high-read)
1076 ((< score default-low)
1077 . gnus-summary-low-read)
1079 . gnus-summary-normal-read))
1080 "*Controls the highlighting of summary buffer lines.
1082 A list of (FORM . FACE) pairs. When deciding how a particular
1083 summary line should be displayed, each form is evaluated. The content
1084 of the face field after the first true form is used. You can change
1085 how those summary lines are displayed, by editing the face field.
1087 You can use the following variables in the FORM field.
1089 score: The article's score.
1090 default: The default article score.
1091 default-high: The default score for high scored articles.
1092 default-low: The default score for low scored articles.
1093 below: The score below which articles are automatically marked as read.
1094 mark: The article's mark.
1095 uncached: Non-nil if the article is uncached."
1096 :group 'gnus-summary-visual
1097 :type '(repeat (cons (sexp :tag "Form" nil)
1099 (put 'gnus-summary-highlight 'risky-local-variable t)
1101 (defcustom gnus-alter-header-function nil
1102 "Function called to allow alteration of article header structures.
1103 The function is called with one parameter, the article header vector,
1104 which it may alter in any way."
1105 :type '(choice (const :tag "None" nil)
1107 :group 'gnus-summary)
1109 (defvar gnus-decode-encoded-word-function 'mail-decode-encoded-word-string
1110 "Function used to decode a string with encoded words.")
1112 (defvar gnus-decode-encoded-address-function
1113 'mail-decode-encoded-address-string
1114 "Function used to decode addresses with encoded words.")
1116 (defcustom gnus-extra-headers '(To Newsgroups)
1117 "*Extra headers to parse."
1119 :group 'gnus-summary
1120 :type '(repeat symbol))
1122 (defcustom gnus-ignored-from-addresses
1123 (and user-mail-address
1124 (not (string= user-mail-address ""))
1125 (regexp-quote user-mail-address))
1126 "*From headers that may be suppressed in favor of To headers.
1127 This can be a regexp or a list of regexps."
1129 :group 'gnus-summary
1130 :type '(choice regexp
1131 (repeat :tag "Regexp List" regexp)))
1133 (defsubst gnus-ignored-from-addresses ()
1134 (gmm-regexp-concat gnus-ignored-from-addresses))
1136 (defcustom gnus-summary-to-prefix "-> "
1137 "*String prefixed to the To field in the summary line when
1138 using `gnus-ignored-from-addresses'."
1140 :group 'gnus-summary
1143 (defcustom gnus-summary-newsgroup-prefix "=> "
1144 "*String prefixed to the Newsgroup field in the summary
1145 line when using `gnus-ignored-from-addresses'."
1147 :group 'gnus-summary
1150 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
1151 "List of charsets that should be ignored.
1152 When these charsets are used in the \"charset\" parameter, the
1153 default charset will be used instead."
1155 :type '(repeat symbol)
1156 :group 'gnus-charset)
1158 (defcustom gnus-newsgroup-maximum-articles nil
1159 "The maximum number of articles a newsgroup.
1160 If this is a number, old articles in a newsgroup exceeding this number
1161 are silently ignored. If it is nil, no article is ignored. Note that
1162 setting this variable to a number might prevent you from reading very
1164 :group 'gnus-group-select
1166 :type '(choice (const :tag "No limit" nil)
1169 (gnus-define-group-parameter
1173 "Return the ignored charsets of GROUP."
1174 :variable gnus-group-ignored-charsets-alist
1176 '(("alt\\.chinese\\.text" iso-8859-1))
1178 "Alist of regexps (to match group names) and charsets that should be ignored.
1179 When these charsets are used in the \"charset\" parameter, the
1180 default charset will be used instead."
1181 :variable-group gnus-charset
1182 :variable-type '(repeat (cons (regexp :tag "Group")
1184 :parameter-type '(choice :tag "Ignored charsets"
1187 :parameter-document "\
1188 List of charsets that should be ignored.
1190 When these charsets are used in the \"charset\" parameter, the
1191 default charset will be used instead.")
1193 (defcustom gnus-group-highlight-words-alist nil
1194 "Alist of group regexps and highlight regexps.
1195 This variable uses the same syntax as `gnus-emphasis-alist'."
1197 :type '(repeat (cons (regexp :tag "Group")
1198 (repeat (list (regexp :tag "Highlight regexp")
1199 (number :tag "Group for entire word" 0)
1200 (number :tag "Group for displayed part" 0)
1202 gnus-emphasis-highlight-words)))))
1203 :group 'gnus-summary-visual)
1205 (defcustom gnus-summary-show-article-charset-alist
1207 "Alist of number and charset.
1208 The article will be shown with the charset corresponding to the
1210 For example: ((1 . cn-gb-2312) (2 . big5))."
1212 :type '(repeat (cons (number :tag "Argument" 1)
1213 (symbol :tag "Charset")))
1214 :group 'gnus-charset)
1216 (defcustom gnus-preserve-marks t
1217 "Whether marks are preserved when moving, copying and respooling messages."
1220 :group 'gnus-summary-marks)
1222 (defcustom gnus-propagate-marks t
1223 "If non-nil, do not propagate marks to the backends."
1224 :version "23.1" ;; No Gnus
1226 :group 'gnus-summary-marks)
1228 (defcustom gnus-alter-articles-to-read-function nil
1229 "Function to be called to alter the list of articles to be selected."
1230 :type '(choice (const nil) function)
1231 :group 'gnus-summary)
1233 (defcustom gnus-orphan-score nil
1234 "*All orphans get this score added. Set in the score file."
1235 :group 'gnus-score-default
1236 :type '(choice (const nil)
1239 (defcustom gnus-summary-save-parts-default-mime "image/.*"
1240 "*A regexp to match MIME parts when saving multiple parts of a
1241 message with `gnus-summary-save-parts' (\\<gnus-summary-mode-map>\\[gnus-summary-save-parts]).
1242 This regexp will be used by default when prompting the user for which
1243 type of files to save."
1244 :group 'gnus-summary
1247 (defcustom gnus-read-all-available-headers nil
1248 "Whether Gnus should parse all headers made available to it.
1249 This is mostly relevant for slow back ends where the user may
1250 wish to widen the summary buffer to include all headers
1251 that were fetched. Say, for nnultimate groups."
1253 :group 'gnus-summary
1254 :type '(choice boolean regexp))
1256 (defcustom gnus-summary-pipe-output-default-command nil
1257 "Command (and optional arguments) used to pipe article to subprocess.
1258 This will be used as the default command if it is non-nil. The value
1259 will be updated if you modify it when executing the command
1260 `gnus-summary-pipe-output' or the function `gnus-summary-save-in-pipe'."
1261 :version "23.1" ;; No Gnus
1262 :group 'gnus-summary
1263 :type '(radio (const :tag "None" nil) (string :tag "Command")))
1265 (defcustom gnus-summary-muttprint-program "muttprint"
1266 "Command (and optional arguments) used to run Muttprint.
1267 The value will be updated if you modify it when executing the command
1268 `gnus-summary-muttprint'."
1270 :group 'gnus-summary
1273 (defcustom gnus-article-loose-mime t
1274 "If non-nil, don't require MIME-Version header.
1275 Some brain-damaged MUA/MTA, e.g. Lotus Domino 5.0.6 clients, does not
1276 supply the MIME-Version header or deliberately strip it from the mail.
1277 If non-nil (the default), Gnus will treat some articles as MIME
1278 even if the MIME-Version header is missing."
1281 :group 'gnus-article-mime)
1283 (defcustom gnus-article-emulate-mime t
1284 "If non-nil, use MIME emulation for uuencode and the like.
1285 This means that Gnus will search message bodies for text that look
1286 like uuencoded bits, yEncoded bits, and so on, and present that using
1287 the normal Gnus MIME machinery."
1290 :group 'gnus-article-mime)
1292 ;;; Internal variables
1294 (defvar gnus-summary-display-cache nil)
1295 (defvar gnus-article-mime-handles nil)
1296 (defvar gnus-article-decoded-p nil)
1297 (defvar gnus-article-charset nil)
1298 (defvar gnus-article-ignored-charsets nil)
1299 (defvar gnus-scores-exclude-files nil)
1300 (defvar gnus-page-broken nil)
1302 (defvar gnus-original-article nil)
1303 (defvar gnus-article-internal-prepare-hook nil)
1304 (defvar gnus-newsgroup-process-stack nil)
1306 (defvar gnus-thread-indent-array nil)
1307 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
1308 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
1309 "Function called to sort the articles within a thread after it has been gathered together.")
1311 (defvar gnus-summary-save-parts-type-history nil)
1312 (defvar gnus-summary-save-parts-last-directory mm-default-directory)
1314 ;; Avoid highlighting in kill files.
1315 (defvar gnus-summary-inhibit-highlight nil)
1316 (defvar gnus-newsgroup-selected-overlay nil)
1317 (defvar gnus-inhibit-limiting nil)
1318 (defvar gnus-newsgroup-adaptive-score-file nil)
1319 (defvar gnus-current-score-file nil)
1320 (defvar gnus-current-move-group nil)
1321 (defvar gnus-current-copy-group nil)
1322 (defvar gnus-current-crosspost-group nil)
1323 (defvar gnus-newsgroup-display nil)
1325 (defvar gnus-newsgroup-dependencies nil)
1326 (defvar gnus-newsgroup-adaptive nil)
1327 (defvar gnus-summary-display-article-function nil)
1328 (defvar gnus-summary-highlight-line-function nil
1329 "Function called after highlighting a summary line.")
1331 (defvar gnus-summary-line-format-alist
1332 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
1333 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
1334 (?s gnus-tmp-subject-or-nil ?s)
1335 (?n gnus-tmp-name ?s)
1336 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
1338 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
1340 (?F gnus-tmp-from ?s)
1341 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
1342 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
1343 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
1344 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
1345 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1346 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1347 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1348 (?k (gnus-summary-line-message-size gnus-tmp-header) ?s)
1349 (?L gnus-tmp-lines ?s)
1350 (?O gnus-tmp-downloaded ?c)
1351 (?I gnus-tmp-indentation ?s)
1352 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1353 (?R gnus-tmp-replied ?c)
1354 (?\[ gnus-tmp-opening-bracket ?c)
1355 (?\] gnus-tmp-closing-bracket ?c)
1356 (?\> (make-string gnus-tmp-level ? ) ?s)
1357 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1358 (?i gnus-tmp-score ?d)
1359 (?z gnus-tmp-score-char ?c)
1360 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1361 (?U gnus-tmp-unread ?c)
1362 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from)
1364 (?t (gnus-summary-number-of-articles-in-thread
1365 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1367 (?e (gnus-summary-number-of-articles-in-thread
1368 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1370 (?u gnus-tmp-user-defined ?s)
1371 (?P (gnus-pick-line-number) ?d)
1372 (?B gnus-tmp-thread-tree-header-string ?s)
1373 (user-date (gnus-user-date
1374 ,(macroexpand '(mail-header-date gnus-tmp-header))) ?s))
1375 "An alist of format specifications that can appear in summary lines.
1376 These are paired with what variables they correspond with, along with
1377 the type of the variable (string, integer, character, etc).")
1379 (defvar gnus-summary-dummy-line-format-alist
1380 `((?S gnus-tmp-subject ?s)
1381 (?N gnus-tmp-number ?d)
1382 (?u gnus-tmp-user-defined ?s)))
1384 (defvar gnus-summary-mode-line-format-alist
1385 `((?G gnus-tmp-group-name ?s)
1386 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1387 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1388 (?A gnus-tmp-article-number ?d)
1389 (?Z gnus-tmp-unread-and-unselected ?s)
1390 (?V gnus-version ?s)
1391 (?U gnus-tmp-unread-and-unticked ?d)
1392 (?S gnus-tmp-subject ?s)
1393 (?e gnus-tmp-unselected ?d)
1394 (?u gnus-tmp-user-defined ?s)
1395 (?d (length gnus-newsgroup-dormant) ?d)
1396 (?t (length gnus-newsgroup-marked) ?d)
1397 (?h (length gnus-newsgroup-spam-marked) ?d)
1398 (?r (length gnus-newsgroup-reads) ?d)
1399 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1400 (?E gnus-newsgroup-expunged-tally ?d)
1401 (?s (gnus-current-score-file-nondirectory) ?s)))
1403 ;; This is here rather than in gnus-art for compilation reasons.
1404 (defvar gnus-article-mode-line-format-alist
1405 (nconc '((?w (gnus-article-wash-status) ?s)
1406 (?m (gnus-article-mime-part-status) ?s))
1407 gnus-summary-mode-line-format-alist))
1409 (defvar gnus-last-search-regexp nil
1410 "Default regexp for article search command.")
1412 (defvar gnus-last-shell-command nil
1413 "Default shell command on article.")
1415 (defvar gnus-newsgroup-agentized nil
1416 "Locally bound in each summary buffer to indicate whether the server has been agentized.")
1417 (defvar gnus-newsgroup-begin nil)
1418 (defvar gnus-newsgroup-end nil)
1419 (defvar gnus-newsgroup-last-rmail nil)
1420 (defvar gnus-newsgroup-last-mail nil)
1421 (defvar gnus-newsgroup-last-folder nil)
1422 (defvar gnus-newsgroup-last-file nil)
1423 (defvar gnus-newsgroup-last-directory nil)
1424 (defvar gnus-newsgroup-auto-expire nil)
1425 (defvar gnus-newsgroup-active nil)
1427 (defvar gnus-newsgroup-data nil)
1428 (defvar gnus-newsgroup-data-reverse nil)
1429 (defvar gnus-newsgroup-limit nil)
1430 (defvar gnus-newsgroup-limits nil)
1431 (defvar gnus-summary-use-undownloaded-faces nil)
1433 (defvar gnus-newsgroup-unreads nil
1434 "Sorted list of unread articles in the current newsgroup.")
1436 (defvar gnus-newsgroup-unselected nil
1437 "Sorted list of unselected unread articles in the current newsgroup.")
1439 (defvar gnus-newsgroup-reads nil
1440 "Alist of read articles and article marks in the current newsgroup.")
1442 (defvar gnus-newsgroup-expunged-tally nil)
1444 (defvar gnus-newsgroup-marked nil
1445 "Sorted list of ticked articles in the current newsgroup (a subset of unread art).")
1447 (defvar gnus-newsgroup-spam-marked nil
1448 "List of ranges of articles that have been marked as spam.")
1450 (defvar gnus-newsgroup-killed nil
1451 "List of ranges of articles that have been through the scoring process.")
1453 (defvar gnus-newsgroup-cached nil
1454 "Sorted list of articles that come from the article cache.")
1456 (defvar gnus-newsgroup-saved nil
1457 "List of articles that have been saved.")
1459 (defvar gnus-newsgroup-kill-headers nil)
1461 (defvar gnus-newsgroup-replied nil
1462 "List of articles that have been replied to in the current newsgroup.")
1464 (defvar gnus-newsgroup-forwarded nil
1465 "List of articles that have been forwarded in the current newsgroup.")
1467 (defvar gnus-newsgroup-recent nil
1468 "List of articles that have are recent in the current newsgroup.")
1470 (defvar gnus-newsgroup-expirable nil
1471 "Sorted list of articles in the current newsgroup that can be expired.")
1473 (defvar gnus-newsgroup-processable nil
1474 "List of articles in the current newsgroup that can be processed.")
1476 (defvar gnus-newsgroup-downloadable nil
1477 "Sorted list of articles in the current newsgroup that can be processed.")
1479 (defvar gnus-newsgroup-unfetched nil
1480 "Sorted list of articles in the current newsgroup whose headers have
1481 not been fetched into the agent.
1483 This list will always be a subset of gnus-newsgroup-undownloaded.")
1485 (defvar gnus-newsgroup-undownloaded nil
1486 "List of articles in the current newsgroup that haven't been downloaded.")
1488 (defvar gnus-newsgroup-unsendable nil
1489 "List of articles in the current newsgroup that won't be sent.")
1491 (defvar gnus-newsgroup-bookmarks nil
1492 "List of articles in the current newsgroup that have bookmarks.")
1494 (defvar gnus-newsgroup-dormant nil
1495 "Sorted list of dormant articles in the current newsgroup.")
1497 (defvar gnus-newsgroup-unseen nil
1498 "List of unseen articles in the current newsgroup.")
1500 (defvar gnus-newsgroup-seen nil
1501 "Range of seen articles in the current newsgroup.")
1503 (defvar gnus-newsgroup-articles nil
1504 "List of articles in the current newsgroup.")
1506 (defvar gnus-newsgroup-scored nil
1507 "List of scored articles in the current newsgroup.")
1509 (defvar gnus-newsgroup-headers nil
1510 "List of article headers in the current newsgroup.")
1512 (defvar gnus-newsgroup-threads nil)
1514 (defvar gnus-newsgroup-prepared nil
1515 "Whether the current group has been prepared properly.")
1517 (defvar gnus-newsgroup-ancient nil
1518 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1520 (defvar gnus-newsgroup-sparse nil)
1522 (defvar gnus-current-article nil)
1523 (defvar gnus-article-current nil)
1524 (defvar gnus-current-headers nil)
1525 (defvar gnus-have-all-headers nil)
1526 (defvar gnus-last-article nil)
1527 (defvar gnus-newsgroup-history nil)
1528 (defvar gnus-newsgroup-charset nil)
1529 (defvar gnus-newsgroup-ephemeral-charset nil)
1530 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1532 (defvar gnus-article-before-search nil)
1534 (defvar gnus-summary-local-variables
1535 '(gnus-newsgroup-name
1536 gnus-newsgroup-begin gnus-newsgroup-end
1537 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1538 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1539 gnus-newsgroup-last-directory
1540 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1541 gnus-newsgroup-unselected gnus-newsgroup-marked
1542 gnus-newsgroup-spam-marked
1543 gnus-newsgroup-reads gnus-newsgroup-saved
1544 gnus-newsgroup-replied gnus-newsgroup-forwarded
1545 gnus-newsgroup-recent
1546 gnus-newsgroup-expirable
1547 gnus-newsgroup-processable gnus-newsgroup-killed
1548 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1549 gnus-newsgroup-unfetched
1550 gnus-newsgroup-unsendable gnus-newsgroup-unseen
1551 gnus-newsgroup-seen gnus-newsgroup-articles
1552 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1553 gnus-newsgroup-headers gnus-newsgroup-threads
1554 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1555 gnus-current-article gnus-current-headers gnus-have-all-headers
1556 gnus-last-article gnus-article-internal-prepare-hook
1557 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1558 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1559 gnus-thread-expunge-below
1560 gnus-score-alist gnus-current-score-file
1561 (gnus-summary-expunge-below . global)
1562 (gnus-summary-mark-below . global)
1563 (gnus-orphan-score . global)
1564 gnus-newsgroup-active gnus-scores-exclude-files
1565 gnus-newsgroup-history gnus-newsgroup-ancient
1566 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1567 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1568 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1569 (gnus-newsgroup-expunged-tally . 0)
1570 gnus-cache-removable-articles gnus-newsgroup-cached
1571 gnus-newsgroup-data gnus-newsgroup-data-reverse
1572 gnus-newsgroup-limit gnus-newsgroup-limits
1573 gnus-newsgroup-charset gnus-newsgroup-display
1574 gnus-summary-use-undownloaded-faces)
1575 "Variables that are buffer-local to the summary buffers.")
1577 (defvar gnus-newsgroup-variables nil
1578 "A list of variables that have separate values in different newsgroups.
1579 A list of newsgroup (summary buffer) local variables, or cons of
1580 variables and their default expressions to be evalled (when the default
1581 values are not nil), that should be made global while the summary buffer
1584 Note: The default expressions will be evaluated (using function `eval')
1585 before assignment to the local variable rather than just assigned to it.
1586 If the default expression is the symbol `global', that symbol will not
1587 be evaluated but the global value of the local variable will be used
1590 These variables can be used to set variables in the group parameters
1591 while still allowing them to affect operations done in other buffers.
1594 \(setq gnus-newsgroup-variables
1595 '(message-use-followup-to
1596 (gnus-visible-headers .
1597 \"^From:\\\\|^Newsgroups:\\\\|^Subject:\\\\|^Date:\\\\|^To:\")))
1601 ;; Bind features so that require will believe that gnus-sum has
1602 ;; already been loaded (avoids infinite recursion)
1603 (let ((features (cons 'gnus-sum features)))
1604 (require 'gnus-art)))
1608 (defvar gnus-decode-encoded-word-methods
1609 '(mail-decode-encoded-word-string)
1610 "List of methods used to decode encoded words.
1612 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
1613 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
1614 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
1615 whose names match REGEXP.
1618 \((\"chinese\" . gnus-decode-encoded-word-string-by-guess)
1619 mail-decode-encoded-word-string
1620 (\"chinese\" . rfc1843-decode-string))")
1622 (defvar gnus-decode-encoded-word-methods-cache nil)
1624 (defun gnus-multi-decode-encoded-word-string (string)
1625 "Apply the functions from `gnus-encoded-word-methods' that match."
1626 (unless (and gnus-decode-encoded-word-methods-cache
1627 (eq gnus-newsgroup-name
1628 (car gnus-decode-encoded-word-methods-cache)))
1629 (setq gnus-decode-encoded-word-methods-cache (list gnus-newsgroup-name))
1630 (dolist (method gnus-decode-encoded-word-methods)
1631 (if (symbolp method)
1632 (nconc gnus-decode-encoded-word-methods-cache (list method))
1633 (if (and gnus-newsgroup-name
1634 (string-match (car method) gnus-newsgroup-name))
1635 (nconc gnus-decode-encoded-word-methods-cache
1636 (list (cdr method)))))))
1637 (dolist (method (cdr gnus-decode-encoded-word-methods-cache) string)
1638 (setq string (funcall method string))))
1640 ;; Subject simplification.
1642 (defun gnus-simplify-whitespace (str)
1643 "Remove excessive whitespace from STR."
1645 (while (string-match "[ \t][ \t]+" str)
1646 (setq str (concat (substring str 0 (match-beginning 0))
1648 (substring str (match-end 0)))))
1650 (when (string-match "^[ \t]+" str)
1651 (setq str (substring str (match-end 0))))
1653 (when (string-match "[ \t]+$" str)
1654 (setq str (substring str 0 (match-beginning 0))))
1657 (defun gnus-simplify-all-whitespace (str)
1658 "Remove all whitespace from STR."
1659 (while (string-match "[ \t\n]+" str)
1660 (setq str (replace-match "" nil nil str)))
1663 (defsubst gnus-simplify-subject-re (subject)
1664 "Remove \"Re:\" from subject lines."
1665 (if (string-match message-subject-re-regexp subject)
1666 (substring subject (match-end 0))
1669 (defun gnus-simplify-subject (subject &optional re-only)
1670 "Remove `Re:' and words in parentheses.
1671 If RE-ONLY is non-nil, strip leading `Re:'s only."
1672 (let ((case-fold-search t)) ;Ignore case.
1673 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1674 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1675 (setq subject (substring subject (match-end 0))))
1676 ;; Remove uninteresting prefixes.
1677 (when (and (not re-only)
1678 gnus-simplify-ignored-prefixes
1679 (string-match gnus-simplify-ignored-prefixes subject))
1680 (setq subject (substring subject (match-end 0))))
1681 ;; Remove words in parentheses from end.
1683 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1684 (setq subject (substring subject 0 (match-beginning 0)))))
1685 ;; Return subject string.
1688 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1690 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1691 (goto-char (point-min))
1692 (while (re-search-forward regexp nil t)
1693 (replace-match (or newtext ""))))
1695 (defun gnus-simplify-buffer-fuzzy ()
1696 "Simplify string in the buffer fuzzily.
1697 The string in the accessible portion of the current buffer is simplified.
1698 It is assumed to be a single-line subject.
1699 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1700 matter is removed. Additional things can be deleted by setting
1701 `gnus-simplify-subject-fuzzy-regexp'."
1702 (let ((case-fold-search t)
1704 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1706 (while (not (eq modified-tick (buffer-modified-tick)))
1707 (setq modified-tick (buffer-modified-tick))
1709 ((listp gnus-simplify-subject-fuzzy-regexp)
1710 (mapc 'gnus-simplify-buffer-fuzzy-step
1711 gnus-simplify-subject-fuzzy-regexp))
1712 (gnus-simplify-subject-fuzzy-regexp
1713 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1714 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1715 (gnus-simplify-buffer-fuzzy-step
1716 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1717 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1719 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1720 (gnus-simplify-buffer-fuzzy-step " +" " ")
1721 (gnus-simplify-buffer-fuzzy-step " $")
1722 (gnus-simplify-buffer-fuzzy-step "^ +")))
1724 (defun gnus-simplify-subject-fuzzy (subject)
1725 "Simplify a subject string fuzzily.
1726 See `gnus-simplify-buffer-fuzzy' for details."
1728 (gnus-set-work-buffer)
1729 (let ((case-fold-search t))
1730 ;; Remove uninteresting prefixes.
1731 (when (and gnus-simplify-ignored-prefixes
1732 (string-match gnus-simplify-ignored-prefixes subject))
1733 (setq subject (substring subject (match-end 0))))
1735 (inline (gnus-simplify-buffer-fuzzy))
1738 (defsubst gnus-simplify-subject-fully (subject)
1739 "Simplify a subject string according to `gnus-summary-gather-subject-limit'."
1741 (gnus-simplify-subject-functions
1742 (gnus-map-function gnus-simplify-subject-functions subject))
1743 ((null gnus-summary-gather-subject-limit)
1744 (gnus-simplify-subject-re subject))
1745 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1746 (gnus-simplify-subject-fuzzy subject))
1747 ((numberp gnus-summary-gather-subject-limit)
1748 (truncate-string-to-width (gnus-simplify-subject-re subject)
1749 gnus-summary-gather-subject-limit))
1753 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1754 "Check whether two subjects are equal.
1755 If optional argument SIMPLE-FIRST is t, first argument is already
1758 ((null simple-first)
1759 (equal (gnus-simplify-subject-fully s1)
1760 (gnus-simplify-subject-fully s2)))
1763 (gnus-simplify-subject-fully s2)))))
1765 (defun gnus-summary-bubble-group ()
1766 "Increase the score of the current group.
1767 This is a handy function to add to `gnus-summary-exit-hook' to
1768 increase the score of each group you read."
1769 (gnus-group-add-score gnus-newsgroup-name))
1773 ;;; Gnus summary mode
1776 (put 'gnus-summary-mode 'mode-class 'special)
1778 (defvar gnus-article-commands-menu)
1780 ;; Non-orthogonal keys
1782 (gnus-define-keys gnus-summary-mode-map
1783 " " gnus-summary-next-page
1784 "\177" gnus-summary-prev-page
1785 [delete] gnus-summary-prev-page
1786 [backspace] gnus-summary-prev-page
1787 "\r" gnus-summary-scroll-up
1788 "\M-\r" gnus-summary-scroll-down
1789 "n" gnus-summary-next-unread-article
1790 "p" gnus-summary-prev-unread-article
1791 "N" gnus-summary-next-article
1792 "P" gnus-summary-prev-article
1793 "\M-\C-n" gnus-summary-next-same-subject
1794 "\M-\C-p" gnus-summary-prev-same-subject
1795 "\M-n" gnus-summary-next-unread-subject
1796 "\M-p" gnus-summary-prev-unread-subject
1797 "." gnus-summary-first-unread-article
1798 "," gnus-summary-best-unread-article
1799 "\M-s" gnus-summary-search-article-forward
1800 "\M-r" gnus-summary-search-article-backward
1801 "\M-S" gnus-summary-repeat-search-article-forward
1802 "\M-R" gnus-summary-repeat-search-article-backward
1803 "<" gnus-summary-beginning-of-article
1804 ">" gnus-summary-end-of-article
1805 "j" gnus-summary-goto-article
1806 "^" gnus-summary-refer-parent-article
1807 "\M-^" gnus-summary-refer-article
1808 "u" gnus-summary-tick-article-forward
1809 "!" gnus-summary-tick-article-forward
1810 "U" gnus-summary-tick-article-backward
1811 "d" gnus-summary-mark-as-read-forward
1812 "D" gnus-summary-mark-as-read-backward
1813 "E" gnus-summary-mark-as-expirable
1814 "\M-u" gnus-summary-clear-mark-forward
1815 "\M-U" gnus-summary-clear-mark-backward
1816 "k" gnus-summary-kill-same-subject-and-select
1817 "\C-k" gnus-summary-kill-same-subject
1818 "\M-\C-k" gnus-summary-kill-thread
1819 "\M-\C-l" gnus-summary-lower-thread
1820 "e" gnus-summary-edit-article
1821 "#" gnus-summary-mark-as-processable
1822 "\M-#" gnus-summary-unmark-as-processable
1823 "\M-\C-t" gnus-summary-toggle-threads
1824 "\M-\C-s" gnus-summary-show-thread
1825 "\M-\C-h" gnus-summary-hide-thread
1826 "\M-\C-f" gnus-summary-next-thread
1827 "\M-\C-b" gnus-summary-prev-thread
1828 [(meta down)] gnus-summary-next-thread
1829 [(meta up)] gnus-summary-prev-thread
1830 "\M-\C-u" gnus-summary-up-thread
1831 "\M-\C-d" gnus-summary-down-thread
1832 "&" gnus-summary-execute-command
1833 "c" gnus-summary-catchup-and-exit
1834 "\C-w" gnus-summary-mark-region-as-read
1835 "\C-t" gnus-summary-toggle-truncation
1836 "?" gnus-summary-mark-as-dormant
1837 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1838 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1839 "\C-c\C-s\C-m\C-n" gnus-summary-sort-by-most-recent-number
1840 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1841 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1842 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1843 "\C-c\C-s\C-t" gnus-summary-sort-by-recipient
1844 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1845 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1846 "\C-c\C-s\C-m\C-d" gnus-summary-sort-by-most-recent-date
1847 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1848 "\C-c\C-s\C-o" gnus-summary-sort-by-original
1849 "\C-c\C-s\C-r" gnus-summary-sort-by-random
1850 "=" gnus-summary-expand-window
1851 "\C-x\C-s" gnus-summary-reselect-current-group
1852 "\M-g" gnus-summary-rescan-group
1853 "w" gnus-summary-stop-page-breaking
1854 "\C-c\C-r" gnus-summary-caesar-message
1855 "f" gnus-summary-followup
1856 "F" gnus-summary-followup-with-original
1857 "C" gnus-summary-cancel-article
1858 "r" gnus-summary-reply
1859 "R" gnus-summary-reply-with-original
1860 "\C-c\C-f" gnus-summary-mail-forward
1861 "o" gnus-summary-save-article
1862 "\C-o" gnus-summary-save-article-mail
1863 "|" gnus-summary-pipe-output
1864 "\M-k" gnus-summary-edit-local-kill
1865 "\M-K" gnus-summary-edit-global-kill
1867 "\C-c\C-d" gnus-summary-describe-group
1868 "q" gnus-summary-exit
1869 "Q" gnus-summary-exit-no-update
1870 "\C-c\C-i" gnus-info-find-node
1871 gnus-mouse-2 gnus-mouse-pick-article
1872 [follow-link] mouse-face
1873 "m" gnus-summary-mail-other-window
1874 "a" gnus-summary-post-news
1875 "i" gnus-summary-news-other-window
1876 "x" gnus-summary-limit-to-unread
1877 "s" gnus-summary-isearch-article
1878 "t" gnus-summary-toggle-header
1879 "g" gnus-summary-show-article
1880 "l" gnus-summary-goto-last-article
1881 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1882 "\C-d" gnus-summary-enter-digest-group
1883 "\M-\C-d" gnus-summary-read-document
1884 "\M-\C-e" gnus-summary-edit-parameters
1885 "\M-\C-a" gnus-summary-customize-parameters
1887 "*" gnus-cache-enter-article
1888 "\M-*" gnus-cache-remove-article
1889 "\M-&" gnus-summary-universal-argument
1890 "\C-l" gnus-recenter
1891 "I" gnus-summary-increase-score
1892 "L" gnus-summary-lower-score
1893 "\M-i" gnus-symbolic-argument
1894 "h" gnus-summary-select-article-buffer
1896 "b" gnus-article-view-part
1897 "\M-t" gnus-summary-toggle-display-buttonized
1899 "V" gnus-summary-score-map
1900 "X" gnus-uu-extract-map
1901 "S" gnus-summary-send-map)
1903 ;; Sort of orthogonal keymap
1904 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1905 "t" gnus-summary-tick-article-forward
1906 "!" gnus-summary-tick-article-forward
1907 "d" gnus-summary-mark-as-read-forward
1908 "r" gnus-summary-mark-as-read-forward
1909 "c" gnus-summary-clear-mark-forward
1910 " " gnus-summary-clear-mark-forward
1911 "e" gnus-summary-mark-as-expirable
1912 "x" gnus-summary-mark-as-expirable
1913 "?" gnus-summary-mark-as-dormant
1914 "b" gnus-summary-set-bookmark
1915 "B" gnus-summary-remove-bookmark
1916 "#" gnus-summary-mark-as-processable
1917 "\M-#" gnus-summary-unmark-as-processable
1918 "S" gnus-summary-limit-include-expunged
1919 "C" gnus-summary-catchup
1920 "H" gnus-summary-catchup-to-here
1921 "h" gnus-summary-catchup-from-here
1922 "\C-c" gnus-summary-catchup-all
1923 "k" gnus-summary-kill-same-subject-and-select
1924 "K" gnus-summary-kill-same-subject
1925 "P" gnus-uu-mark-map)
1927 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1928 "c" gnus-summary-clear-above
1929 "u" gnus-summary-tick-above
1930 "m" gnus-summary-mark-above
1931 "k" gnus-summary-kill-below)
1933 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1934 "/" gnus-summary-limit-to-subject
1935 "n" gnus-summary-limit-to-articles
1936 "b" gnus-summary-limit-to-bodies
1937 "h" gnus-summary-limit-to-headers
1938 "w" gnus-summary-pop-limit
1939 "s" gnus-summary-limit-to-subject
1940 "a" gnus-summary-limit-to-author
1941 "u" gnus-summary-limit-to-unread
1942 "m" gnus-summary-limit-to-marks
1943 "M" gnus-summary-limit-exclude-marks
1944 "v" gnus-summary-limit-to-score
1945 "*" gnus-summary-limit-include-cached
1946 "D" gnus-summary-limit-include-dormant
1947 "T" gnus-summary-limit-include-thread
1948 "d" gnus-summary-limit-exclude-dormant
1949 "t" gnus-summary-limit-to-age
1950 "." gnus-summary-limit-to-unseen
1951 "x" gnus-summary-limit-to-extra
1952 "p" gnus-summary-limit-to-display-predicate
1953 "E" gnus-summary-limit-include-expunged
1954 "c" gnus-summary-limit-exclude-childless-dormant
1955 "C" gnus-summary-limit-mark-excluded-as-read
1956 "o" gnus-summary-insert-old-articles
1957 "N" gnus-summary-insert-new-articles
1958 "S" gnus-summary-limit-to-singletons
1959 "r" gnus-summary-limit-to-replied
1960 "R" gnus-summary-limit-to-recipient
1961 "A" gnus-summary-limit-to-address)
1963 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1964 "n" gnus-summary-next-unread-article
1965 "p" gnus-summary-prev-unread-article
1966 "N" gnus-summary-next-article
1967 "P" gnus-summary-prev-article
1968 "\C-n" gnus-summary-next-same-subject
1969 "\C-p" gnus-summary-prev-same-subject
1970 "\M-n" gnus-summary-next-unread-subject
1971 "\M-p" gnus-summary-prev-unread-subject
1972 "f" gnus-summary-first-unread-article
1973 "b" gnus-summary-best-unread-article
1974 "j" gnus-summary-goto-article
1975 "g" gnus-summary-goto-subject
1976 "l" gnus-summary-goto-last-article
1977 "o" gnus-summary-pop-article)
1979 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1980 "k" gnus-summary-kill-thread
1981 "E" gnus-summary-expire-thread
1982 "l" gnus-summary-lower-thread
1983 "i" gnus-summary-raise-thread
1984 "T" gnus-summary-toggle-threads
1985 "t" gnus-summary-rethread-current
1986 "^" gnus-summary-reparent-thread
1987 "\M-^" gnus-summary-reparent-children
1988 "s" gnus-summary-show-thread
1989 "S" gnus-summary-show-all-threads
1990 "h" gnus-summary-hide-thread
1991 "H" gnus-summary-hide-all-threads
1992 "n" gnus-summary-next-thread
1993 "p" gnus-summary-prev-thread
1994 "u" gnus-summary-up-thread
1995 "o" gnus-summary-top-thread
1996 "d" gnus-summary-down-thread
1997 "#" gnus-uu-mark-thread
1998 "\M-#" gnus-uu-unmark-thread)
2000 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
2001 "g" gnus-summary-prepare
2002 "c" gnus-summary-insert-cached-articles
2003 "d" gnus-summary-insert-dormant-articles
2004 "t" gnus-summary-insert-ticked-articles)
2006 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
2007 "c" gnus-summary-catchup-and-exit
2008 "C" gnus-summary-catchup-all-and-exit
2009 "E" gnus-summary-exit-no-update
2010 "Q" gnus-summary-exit
2011 "Z" gnus-summary-exit
2012 "n" gnus-summary-catchup-and-goto-next-group
2013 "p" gnus-summary-catchup-and-goto-prev-group
2014 "R" gnus-summary-reselect-current-group
2015 "G" gnus-summary-rescan-group
2016 "N" gnus-summary-next-group
2017 "s" gnus-summary-save-newsrc
2018 "P" gnus-summary-prev-group)
2020 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
2021 " " gnus-summary-next-page
2022 "n" gnus-summary-next-page
2023 "\177" gnus-summary-prev-page
2024 [delete] gnus-summary-prev-page
2025 "p" gnus-summary-prev-page
2026 "\r" gnus-summary-scroll-up
2027 "\M-\r" gnus-summary-scroll-down
2028 "<" gnus-summary-beginning-of-article
2029 ">" gnus-summary-end-of-article
2030 "b" gnus-summary-beginning-of-article
2031 "e" gnus-summary-end-of-article
2032 "^" gnus-summary-refer-parent-article
2033 "r" gnus-summary-refer-parent-article
2034 "D" gnus-summary-enter-digest-group
2035 "R" gnus-summary-refer-references
2036 "T" gnus-summary-refer-thread
2037 "g" gnus-summary-show-article
2038 "s" gnus-summary-isearch-article
2039 "P" gnus-summary-print-article
2040 "S" gnus-sticky-article
2041 "M" gnus-mailing-list-insinuate
2042 "t" gnus-article-babel)
2044 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
2045 "b" gnus-article-add-buttons
2046 "B" gnus-article-add-buttons-to-head
2047 "o" gnus-article-treat-overstrike
2048 "e" gnus-article-emphasize
2049 "w" gnus-article-fill-cited-article
2050 "Q" gnus-article-fill-long-lines
2051 "L" gnus-article-toggle-truncate-lines
2052 "C" gnus-article-capitalize-sentences
2053 "c" gnus-article-remove-cr
2054 "q" gnus-article-de-quoted-unreadable
2055 "6" gnus-article-de-base64-unreadable
2056 "Z" gnus-article-decode-HZ
2057 "A" gnus-article-treat-ansi-sequences
2058 "h" gnus-article-wash-html
2059 "u" gnus-article-unsplit-urls
2060 "s" gnus-summary-force-verify-and-decrypt
2061 "f" gnus-article-display-x-face
2062 "l" gnus-summary-stop-page-breaking
2063 "r" gnus-summary-caesar-message
2064 "m" gnus-summary-morse-message
2065 "t" gnus-summary-toggle-header
2066 "g" gnus-treat-smiley
2067 "v" gnus-summary-verbose-headers
2068 "a" gnus-article-strip-headers-in-body ;; mnemonic: wash archive
2069 "p" gnus-article-verify-x-pgp-sig
2070 "d" gnus-article-treat-dumbquotes
2071 "i" gnus-summary-idna-message)
2073 (gnus-define-keys (gnus-summary-wash-deuglify-map "Y" gnus-summary-wash-map)
2074 ;; mnemonic: deuglif*Y*
2075 "u" gnus-article-outlook-unwrap-lines
2076 "a" gnus-article-outlook-repair-attribution
2077 "c" gnus-article-outlook-rearrange-citation
2078 "f" gnus-article-outlook-deuglify-article) ;; mnemonic: full deuglify
2080 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
2081 "a" gnus-article-hide
2082 "h" gnus-article-hide-headers
2083 "b" gnus-article-hide-boring-headers
2084 "s" gnus-article-hide-signature
2085 "c" gnus-article-hide-citation
2086 "C" gnus-article-hide-citation-in-followups
2087 "l" gnus-article-hide-list-identifiers
2088 "B" gnus-article-strip-banner
2089 "P" gnus-article-hide-pem
2090 "\C-c" gnus-article-hide-citation-maybe)
2092 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
2093 "a" gnus-article-highlight
2094 "h" gnus-article-highlight-headers
2095 "c" gnus-article-highlight-citation
2096 "s" gnus-article-highlight-signature)
2098 (gnus-define-keys (gnus-summary-wash-header-map "G" gnus-summary-wash-map)
2099 "f" gnus-article-treat-fold-headers
2100 "u" gnus-article-treat-unfold-headers
2101 "n" gnus-article-treat-fold-newsgroups)
2103 (gnus-define-keys (gnus-summary-wash-display-map "D" gnus-summary-wash-map)
2104 "x" gnus-article-display-x-face
2105 "d" gnus-article-display-face
2106 "s" gnus-treat-smiley
2107 "D" gnus-article-remove-images
2108 "f" gnus-treat-from-picon
2109 "m" gnus-treat-mail-picon
2110 "n" gnus-treat-newsgroups-picon)
2112 (gnus-define-keys (gnus-summary-wash-mime-map "M" gnus-summary-wash-map)
2113 "w" gnus-article-decode-mime-words
2114 "c" gnus-article-decode-charset
2115 "v" gnus-mime-view-all-parts
2116 "b" gnus-article-view-part)
2118 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
2119 "z" gnus-article-date-ut
2120 "u" gnus-article-date-ut
2121 "l" gnus-article-date-local
2122 "p" gnus-article-date-english
2123 "e" gnus-article-date-lapsed
2124 "o" gnus-article-date-original
2125 "i" gnus-article-date-iso8601
2126 "s" gnus-article-date-user)
2128 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
2129 "t" gnus-article-remove-trailing-blank-lines
2130 "l" gnus-article-strip-leading-blank-lines
2131 "m" gnus-article-strip-multiple-blank-lines
2132 "a" gnus-article-strip-blank-lines
2133 "A" gnus-article-strip-all-blank-lines
2134 "s" gnus-article-strip-leading-space
2135 "e" gnus-article-strip-trailing-space
2136 "w" gnus-article-remove-leading-whitespace)
2138 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
2140 "f" gnus-summary-fetch-faq
2141 "d" gnus-summary-describe-group
2142 "h" gnus-summary-describe-briefly
2143 "i" gnus-info-find-node
2144 "c" gnus-group-fetch-charter
2145 "C" gnus-group-fetch-control)
2147 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
2148 "e" gnus-summary-expire-articles
2149 "\M-\C-e" gnus-summary-expire-articles-now
2150 "\177" gnus-summary-delete-article
2151 [delete] gnus-summary-delete-article
2152 [backspace] gnus-summary-delete-article
2153 "m" gnus-summary-move-article
2154 "r" gnus-summary-respool-article
2155 "w" gnus-summary-edit-article
2156 "c" gnus-summary-copy-article
2157 "B" gnus-summary-crosspost-article
2158 "q" gnus-summary-respool-query
2159 "t" gnus-summary-respool-trace
2160 "i" gnus-summary-import-article
2161 "I" gnus-summary-create-article
2162 "p" gnus-summary-article-posted-p)
2164 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
2165 "o" gnus-summary-save-article
2166 "m" gnus-summary-save-article-mail
2167 "F" gnus-summary-write-article-file
2168 "r" gnus-summary-save-article-rmail
2169 "f" gnus-summary-save-article-file
2170 "b" gnus-summary-save-article-body-file
2171 "B" gnus-summary-write-article-body-file
2172 "h" gnus-summary-save-article-folder
2173 "v" gnus-summary-save-article-vm
2174 "p" gnus-summary-pipe-output
2175 "P" gnus-summary-muttprint
2176 "s" gnus-soup-add-article)
2178 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
2179 "b" gnus-summary-display-buttonized
2180 "m" gnus-summary-repair-multipart
2181 "v" gnus-article-view-part
2182 "o" gnus-article-save-part
2183 "O" gnus-article-save-part-and-strip
2184 "r" gnus-article-replace-part
2185 "d" gnus-article-delete-part
2186 "t" gnus-article-view-part-as-type
2187 "j" gnus-article-jump-to-part
2188 "c" gnus-article-copy-part
2189 "C" gnus-article-view-part-as-charset
2190 "e" gnus-article-view-part-externally
2191 "H" gnus-article-browse-html-article
2192 "E" gnus-article-encrypt-body
2193 "i" gnus-article-inline-part
2194 "|" gnus-article-pipe-part)
2196 (gnus-define-keys (gnus-uu-mark-map "P" gnus-summary-mark-map)
2197 "p" gnus-summary-mark-as-processable
2198 "u" gnus-summary-unmark-as-processable
2199 "U" gnus-summary-unmark-all-processable
2200 "v" gnus-uu-mark-over
2201 "s" gnus-uu-mark-series
2202 "r" gnus-uu-mark-region
2203 "g" gnus-uu-unmark-region
2204 "R" gnus-uu-mark-by-regexp
2205 "G" gnus-uu-unmark-by-regexp
2206 "t" gnus-uu-mark-thread
2207 "T" gnus-uu-unmark-thread
2208 "a" gnus-uu-mark-all
2209 "b" gnus-uu-mark-buffer
2210 "S" gnus-uu-mark-sparse
2211 "k" gnus-summary-kill-process-mark
2212 "y" gnus-summary-yank-process-mark
2213 "w" gnus-summary-save-process-mark
2214 "i" gnus-uu-invert-processable)
2216 (gnus-define-keys (gnus-uu-extract-map "X" gnus-summary-mode-map)
2217 ;;"x" gnus-uu-extract-any
2218 "m" gnus-summary-save-parts
2219 "u" gnus-uu-decode-uu
2220 "U" gnus-uu-decode-uu-and-save
2221 "s" gnus-uu-decode-unshar
2222 "S" gnus-uu-decode-unshar-and-save
2223 "o" gnus-uu-decode-save
2224 "O" gnus-uu-decode-save
2225 "b" gnus-uu-decode-binhex
2226 "B" gnus-uu-decode-binhex
2227 "Y" gnus-uu-decode-yenc
2228 "p" gnus-uu-decode-postscript
2229 "P" gnus-uu-decode-postscript-and-save)
2232 (gnus-uu-extract-view-map "v" gnus-uu-extract-map)
2233 "u" gnus-uu-decode-uu-view
2234 "U" gnus-uu-decode-uu-and-save-view
2235 "s" gnus-uu-decode-unshar-view
2236 "S" gnus-uu-decode-unshar-and-save-view
2237 "o" gnus-uu-decode-save-view
2238 "O" gnus-uu-decode-save-view
2239 "b" gnus-uu-decode-binhex-view
2240 "B" gnus-uu-decode-binhex-view
2241 "p" gnus-uu-decode-postscript-view
2242 "P" gnus-uu-decode-postscript-and-save-view)
2244 (defvar gnus-article-post-menu nil)
2246 (defconst gnus-summary-menu-maxlen 20)
2248 (defun gnus-summary-menu-split (menu)
2249 ;; If we have lots of elements, divide them into groups of 20
2250 ;; and make a pane (or submenu) for each one.
2251 (if (> (length menu) (/ (* gnus-summary-menu-maxlen 3) 2))
2252 (let ((menu menu) sublists next
2255 ;; Pull off the next gnus-summary-menu-maxlen elements
2256 ;; and make them the next element of sublist.
2257 (setq next (nthcdr gnus-summary-menu-maxlen menu))
2259 (setcdr (nthcdr (1- gnus-summary-menu-maxlen) menu)
2261 (setq sublists (cons (cons (format "%s ... %s" (aref (car menu) 0)
2262 (aref (car (last menu)) 0)) menu)
2266 (nreverse sublists))
2267 ;; Few elements--put them all in one pane.
2270 (defun gnus-summary-make-menu-bar ()
2271 (gnus-turn-off-edit-menu 'summary)
2273 (unless (boundp 'gnus-summary-misc-menu)
2276 gnus-summary-kill-menu gnus-summary-mode-map ""
2281 ["Customize" gnus-score-customize t])
2282 (gnus-make-score-map 'increase)
2283 (gnus-make-score-map 'lower)
2285 ["Kill below" gnus-summary-kill-below t]
2286 ["Mark above" gnus-summary-mark-above t]
2287 ["Tick above" gnus-summary-tick-above t]
2288 ["Clear above" gnus-summary-clear-above t])
2289 ["Current score" gnus-summary-current-score t]
2290 ["Set score" gnus-summary-set-score t]
2291 ["Switch current score file..." gnus-score-change-score-file t]
2292 ["Set mark below..." gnus-score-set-mark-below t]
2293 ["Set expunge below..." gnus-score-set-expunge-below t]
2294 ["Edit current score file" gnus-score-edit-current-scores t]
2295 ["Edit score file..." gnus-score-edit-file t]
2296 ["Trace score" gnus-score-find-trace t]
2297 ["Find words" gnus-score-find-favourite-words t]
2298 ["Rescore buffer" gnus-summary-rescore t]
2299 ["Increase score..." gnus-summary-increase-score t]
2300 ["Lower score..." gnus-summary-lower-score t]))))
2302 ;; Define both the Article menu in the summary buffer and the
2303 ;; equivalent Commands menu in the article buffer here for
2307 ["All" gnus-article-hide t]
2308 ["Headers" gnus-article-hide-headers t]
2309 ["Signature" gnus-article-hide-signature t]
2310 ["Citation" gnus-article-hide-citation t]
2311 ["List identifiers" gnus-article-hide-list-identifiers t]
2312 ["Banner" gnus-article-strip-banner t]
2313 ["Boring headers" gnus-article-hide-boring-headers t])
2315 ["All" gnus-article-highlight t]
2316 ["Headers" gnus-article-highlight-headers t]
2317 ["Signature" gnus-article-highlight-signature t]
2318 ["Citation" gnus-article-highlight-citation t])
2320 ["Words" gnus-article-decode-mime-words t]
2321 ["Charset" gnus-article-decode-charset t]
2322 ["QP" gnus-article-de-quoted-unreadable t]
2323 ["Base64" gnus-article-de-base64-unreadable t]
2324 ["View MIME buttons" gnus-summary-display-buttonized t]
2325 ["View all" gnus-mime-view-all-parts t]
2326 ["Verify and Decrypt" gnus-summary-force-verify-and-decrypt t]
2327 ["Encrypt body" gnus-article-encrypt-body
2328 :active (not (gnus-group-read-only-p))
2329 ,@(if (featurep 'xemacs) nil
2330 '(:help "Encrypt the message body on disk"))]
2331 ["Extract all parts..." gnus-summary-save-parts t]
2333 ["Repair multipart" gnus-summary-repair-multipart t]
2334 ["Pipe part..." gnus-article-pipe-part t]
2335 ["Inline part" gnus-article-inline-part t]
2336 ["View part as type..." gnus-article-view-part-as-type t]
2337 ["Encrypt body" gnus-article-encrypt-body
2338 :active (not (gnus-group-read-only-p))
2339 ,@(if (featurep 'xemacs) nil
2340 '(:help "Encrypt the message body on disk"))]
2341 ["View part externally" gnus-article-view-part-externally t]
2342 ["View HTML parts in browser" gnus-article-browse-html-article t]
2343 ["View part with charset..." gnus-article-view-part-as-charset t]
2344 ["Copy part" gnus-article-copy-part t]
2345 ["Save part..." gnus-article-save-part t]
2346 ["View part" gnus-article-view-part t]))
2348 ["Local" gnus-article-date-local t]
2349 ["ISO8601" gnus-article-date-iso8601 t]
2350 ["UT" gnus-article-date-ut t]
2351 ["Original" gnus-article-date-original t]
2352 ["Lapsed" gnus-article-date-lapsed t]
2353 ["User-defined" gnus-article-date-user t])
2355 ["Remove images" gnus-article-remove-images t]
2356 ["Toggle smiley" gnus-treat-smiley t]
2357 ["Show X-Face" gnus-article-display-x-face t]
2358 ["Show picons in From" gnus-treat-from-picon t]
2359 ["Show picons in mail headers" gnus-treat-mail-picon t]
2360 ["Show picons in news headers" gnus-treat-newsgroups-picon t]
2361 ("View as different encoding"
2362 ,@(gnus-summary-menu-split
2365 ;; Since easymenu under Emacs doesn't allow
2366 ;; lambda forms for menu commands, we should
2367 ;; provide intern'ed function symbols.
2368 (let ((command (intern (format "\
2369 gnus-summary-show-article-from-menu-as-charset-%s" cs))))
2373 (let ((gnus-summary-show-article-charset-alist
2375 (gnus-summary-show-article 1))))
2376 `[,(symbol-name cs) ,command t]))
2377 (sort (if (fboundp 'coding-system-list)
2378 (coding-system-list)
2379 (mapcar 'car mm-mime-mule-charset-alist))
2383 ["Leading" gnus-article-strip-leading-blank-lines t]
2384 ["Multiple" gnus-article-strip-multiple-blank-lines t]
2385 ["Trailing" gnus-article-remove-trailing-blank-lines t]
2386 ["All of the above" gnus-article-strip-blank-lines t]
2387 ["All" gnus-article-strip-all-blank-lines t]
2388 ["Leading space" gnus-article-strip-leading-space t]
2389 ["Trailing space" gnus-article-strip-trailing-space t]
2390 ["Leading space in headers"
2391 gnus-article-remove-leading-whitespace t])
2392 ["Overstrike" gnus-article-treat-overstrike t]
2393 ["Dumb quotes" gnus-article-treat-dumbquotes t]
2394 ["Emphasis" gnus-article-emphasize t]
2395 ["Word wrap" gnus-article-fill-cited-article t]
2396 ["Fill long lines" gnus-article-fill-long-lines t]
2397 ["Toggle truncate long lines" gnus-article-toggle-truncate-lines t]
2398 ["Capitalize sentences" gnus-article-capitalize-sentences t]
2399 ["Remove CR" gnus-article-remove-cr t]
2400 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
2401 ["Base64" gnus-article-de-base64-unreadable t]
2402 ["Rot 13" gnus-summary-caesar-message
2403 ,@(if (featurep 'xemacs) '(t)
2404 '(:help "\"Caesar rotate\" article by 13"))]
2405 ["De-IDNA" gnus-summary-idna-message t]
2406 ["Morse decode" gnus-summary-morse-message t]
2407 ["Unix pipe..." gnus-summary-pipe-message t]
2408 ["Add buttons" gnus-article-add-buttons t]
2409 ["Add buttons to head" gnus-article-add-buttons-to-head t]
2410 ["Stop page breaking" gnus-summary-stop-page-breaking t]
2411 ["Verbose header" gnus-summary-verbose-headers t]
2412 ["Toggle header" gnus-summary-toggle-header t]
2413 ["Unfold headers" gnus-article-treat-unfold-headers t]
2414 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
2415 ["Html" gnus-article-wash-html t]
2416 ["Unsplit URLs" gnus-article-unsplit-urls t]
2417 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
2418 ["Decode HZ" gnus-article-decode-HZ t]
2419 ["ANSI sequences" gnus-article-treat-ansi-sequences t]
2420 ("(Outlook) Deuglify"
2421 ["Unwrap lines" gnus-article-outlook-unwrap-lines t]
2422 ["Repair attribution" gnus-article-outlook-repair-attribution t]
2423 ["Rearrange citation" gnus-article-outlook-rearrange-citation t]
2424 ["Full (Outlook) deuglify"
2425 gnus-article-outlook-deuglify-article t])
2428 ["Save in default format..." gnus-summary-save-article
2429 ,@(if (featurep 'xemacs) '(t)
2430 '(:help "Save article using default method"))]
2431 ["Save in file..." gnus-summary-save-article-file
2432 ,@(if (featurep 'xemacs) '(t)
2433 '(:help "Save article in file"))]
2434 ["Save in Unix mail format..." gnus-summary-save-article-mail t]
2435 ["Save in MH folder..." gnus-summary-save-article-folder t]
2436 ["Save in VM folder..." gnus-summary-save-article-vm t]
2437 ["Save in RMAIL mbox..." gnus-summary-save-article-rmail t]
2438 ["Save body in file..." gnus-summary-save-article-body-file t]
2439 ["Pipe through a filter..." gnus-summary-pipe-output t]
2440 ["Add to SOUP packet" gnus-soup-add-article t]
2441 ["Print with Muttprint..." gnus-summary-muttprint t]
2442 ["Print" gnus-summary-print-article
2443 ,@(if (featurep 'xemacs) '(t)
2444 '(:help "Generate and print a PostScript image"))])
2445 ("Copy, move,... (Backend)"
2446 ,@(if (featurep 'xemacs) nil
2447 '(:help "Copying, moving, expiring articles..."))
2448 ["Respool article..." gnus-summary-respool-article t]
2449 ["Move article..." gnus-summary-move-article
2450 (gnus-check-backend-function
2451 'request-move-article gnus-newsgroup-name)]
2452 ["Copy article..." gnus-summary-copy-article t]
2453 ["Crosspost article..." gnus-summary-crosspost-article
2454 (gnus-check-backend-function
2455 'request-replace-article gnus-newsgroup-name)]
2456 ["Import file..." gnus-summary-import-article
2457 (gnus-check-backend-function
2458 'request-accept-article gnus-newsgroup-name)]
2459 ["Create article..." gnus-summary-create-article
2460 (gnus-check-backend-function
2461 'request-accept-article gnus-newsgroup-name)]
2462 ["Check if posted" gnus-summary-article-posted-p t]
2463 ["Edit article" gnus-summary-edit-article
2464 (not (gnus-group-read-only-p))]
2465 ["Delete article" gnus-summary-delete-article
2466 (gnus-check-backend-function
2467 'request-expire-articles gnus-newsgroup-name)]
2468 ["Query respool" gnus-summary-respool-query t]
2469 ["Trace respool" gnus-summary-respool-trace t]
2470 ["Delete expirable articles" gnus-summary-expire-articles-now
2471 (gnus-check-backend-function
2472 'request-expire-articles gnus-newsgroup-name)])
2474 ["Uudecode" gnus-uu-decode-uu
2475 ,@(if (featurep 'xemacs) '(t)
2476 '(:help "Decode uuencoded article(s)"))]
2477 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
2478 ["Unshar" gnus-uu-decode-unshar t]
2479 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
2480 ["Save" gnus-uu-decode-save t]
2481 ["Binhex" gnus-uu-decode-binhex t]
2482 ["Postscript" gnus-uu-decode-postscript t]
2483 ["All MIME parts" gnus-summary-save-parts t])
2485 ["Enter article" gnus-cache-enter-article t]
2486 ["Remove article" gnus-cache-remove-article t])
2487 ["Translate" gnus-article-babel t]
2488 ["Select article buffer" gnus-summary-select-article-buffer t]
2489 ["Make article buffer sticky" gnus-sticky-article t]
2490 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2491 ["Isearch article..." gnus-summary-isearch-article t]
2492 ["Beginning of the article" gnus-summary-beginning-of-article t]
2493 ["End of the article" gnus-summary-end-of-article t]
2494 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2495 ["Fetch referenced articles" gnus-summary-refer-references t]
2496 ["Fetch current thread" gnus-summary-refer-thread t]
2497 ["Fetch article with id..." gnus-summary-refer-article t]
2498 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2499 ["Redisplay" gnus-summary-show-article t]
2500 ["Raw article" gnus-summary-show-raw-article :keys "C-u g"])))
2502 gnus-summary-article-menu gnus-summary-mode-map ""
2503 (cons "Article" innards))
2505 (if (not (keymapp gnus-summary-article-menu))
2507 gnus-article-commands-menu gnus-article-mode-map ""
2508 (cons "Commands" innards))
2509 ;; in Emacs, don't share menu.
2510 (setq gnus-article-commands-menu
2511 (copy-keymap gnus-summary-article-menu))
2512 (define-key gnus-article-mode-map [menu-bar commands]
2513 (cons "Commands" gnus-article-commands-menu))))
2516 gnus-summary-thread-menu gnus-summary-mode-map ""
2518 ["Find all messages in thread" gnus-summary-refer-thread t]
2519 ["Toggle threading" gnus-summary-toggle-threads t]
2520 ["Hide threads" gnus-summary-hide-all-threads t]
2521 ["Show threads" gnus-summary-show-all-threads t]
2522 ["Hide thread" gnus-summary-hide-thread t]
2523 ["Show thread" gnus-summary-show-thread t]
2524 ["Go to next thread" gnus-summary-next-thread t]
2525 ["Go to previous thread" gnus-summary-prev-thread t]
2526 ["Go down thread" gnus-summary-down-thread t]
2527 ["Go up thread" gnus-summary-up-thread t]
2528 ["Top of thread" gnus-summary-top-thread t]
2529 ["Mark thread as read" gnus-summary-kill-thread t]
2530 ["Mark thread as expired" gnus-summary-expire-thread t]
2531 ["Lower thread score" gnus-summary-lower-thread t]
2532 ["Raise thread score" gnus-summary-raise-thread t]
2533 ["Rethread current" gnus-summary-rethread-current t]))
2536 gnus-summary-post-menu gnus-summary-mode-map ""
2538 ["Send a message (mail or news)" gnus-summary-post-news
2539 ,@(if (featurep 'xemacs) '(t)
2540 '(:help "Compose a new message (mail or news)"))]
2541 ["Followup" gnus-summary-followup
2542 ,@(if (featurep 'xemacs) '(t)
2543 '(:help "Post followup to this article"))]
2544 ["Followup and yank" gnus-summary-followup-with-original
2545 ,@(if (featurep 'xemacs) '(t)
2546 '(:help "Post followup to this article, quoting its contents"))]
2547 ["Supersede article" gnus-summary-supersede-article t]
2548 ["Cancel article" gnus-summary-cancel-article
2549 ,@(if (featurep 'xemacs) '(t)
2550 '(:help "Cancel an article you posted"))]
2551 ["Reply" gnus-summary-reply t]
2552 ["Reply and yank" gnus-summary-reply-with-original t]
2553 ["Wide reply" gnus-summary-wide-reply t]
2554 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2555 ,@(if (featurep 'xemacs) '(t)
2556 '(:help "Mail a reply, quoting this article"))]
2557 ["Very wide reply" gnus-summary-very-wide-reply t]
2558 ["Very wide reply and yank" gnus-summary-very-wide-reply-with-original
2559 ,@(if (featurep 'xemacs) '(t)
2560 '(:help "Mail a very wide reply, quoting this article"))]
2561 ["Mail forward" gnus-summary-mail-forward t]
2562 ["Post forward" gnus-summary-post-forward t]
2563 ["Digest and mail" gnus-uu-digest-mail-forward t]
2564 ["Digest and post" gnus-uu-digest-post-forward t]
2565 ["Resend message" gnus-summary-resend-message t]
2566 ["Resend message edit" gnus-summary-resend-message-edit t]
2567 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2568 ["Send a mail" gnus-summary-mail-other-window t]
2569 ["Create a local message" gnus-summary-news-other-window t]
2570 ["Uuencode and post" gnus-uu-post-news
2571 ,@(if (featurep 'xemacs) '(t)
2572 '(:help "Post a uuencoded article"))]
2573 ["Followup via news" gnus-summary-followup-to-mail t]
2574 ["Followup via news and yank"
2575 gnus-summary-followup-to-mail-with-original t]
2576 ["Strip signature on reply"
2579 (if (not (memq message-cite-function
2580 '(message-cite-original-without-signature
2581 message-cite-original)))
2582 ;; Stupid workaround for XEmacs not honoring :visible.
2583 (message "Can't toggle this value of `message-cite-function'")
2584 (setq message-cite-function
2585 (if (eq message-cite-function
2586 'message-cite-original-without-signature)
2587 'message-cite-original
2588 'message-cite-original-without-signature))))
2589 ;; XEmacs barfs on :visible.
2590 ,@(if (featurep 'xemacs) nil
2591 '(:visible (memq message-cite-function
2592 '(message-cite-original-without-signature
2593 message-cite-original))))
2595 :selected (eq message-cite-function
2596 'message-cite-original-without-signature)
2597 ,@(if (featurep 'xemacs) nil
2598 '(:help "Strip signature from cited article when replying."))]
2600 ;;["Send" gnus-summary-send-draft t]
2601 ;;["Send bounced" gnus-resend-bounced-mail t])
2605 ((not (keymapp gnus-summary-post-menu))
2606 (setq gnus-article-post-menu gnus-summary-post-menu))
2607 ((not gnus-article-post-menu)
2608 ;; Don't share post menu.
2609 (setq gnus-article-post-menu
2610 (copy-keymap gnus-summary-post-menu))))
2611 (define-key gnus-article-mode-map [menu-bar post]
2612 (cons "Post" gnus-article-post-menu))
2615 gnus-summary-misc-menu gnus-summary-mode-map ""
2618 ["Mark as read" gnus-summary-mark-as-read-forward t]
2619 ["Mark same subject and select"
2620 gnus-summary-kill-same-subject-and-select t]
2621 ["Mark same subject" gnus-summary-kill-same-subject t]
2622 ["Catchup" gnus-summary-catchup
2623 ,@(if (featurep 'xemacs) '(t)
2624 '(:help "Mark unread articles in this group as read"))]
2625 ["Catchup all" gnus-summary-catchup-all t]
2626 ["Catchup to here" gnus-summary-catchup-to-here t]
2627 ["Catchup from here" gnus-summary-catchup-from-here t]
2628 ["Catchup region" gnus-summary-mark-region-as-read
2629 (gnus-mark-active-p)]
2630 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2632 ["Tick" gnus-summary-tick-article-forward t]
2633 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2634 ["Remove marks" gnus-summary-clear-mark-forward t]
2635 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2636 ["Set bookmark" gnus-summary-set-bookmark t]
2637 ["Remove bookmark" gnus-summary-remove-bookmark t])
2639 ["Important" gnus-registry-set-article-Important-mark t]
2640 ["Not Important" gnus-registry-remove-article-Important-mark t]
2641 ["Work" gnus-registry-set-article-Work-mark t]
2642 ["Not Work" gnus-registry-remove-article-Work-mark t]
2643 ["Later" gnus-registry-set-article-Later-mark t]
2644 ["Not Later" gnus-registry-remove-article-Later-mark t]
2645 ["Personal" gnus-registry-set-article-Personal-mark t]
2646 ["Not Personal" gnus-registry-remove-article-Personal-mark t]
2647 ["To Do" gnus-registry-set-article-To-Do-mark t]
2648 ["Not To Do" gnus-registry-remove-article-To-Do-mark t])
2650 ["Marks..." gnus-summary-limit-to-marks t]
2651 ["Subject..." gnus-summary-limit-to-subject t]
2652 ["Author..." gnus-summary-limit-to-author t]
2653 ["Recipient..." gnus-summary-limit-to-recipient t]
2654 ["Address..." gnus-summary-limit-to-address t]
2655 ["Age..." gnus-summary-limit-to-age t]
2656 ["Extra..." gnus-summary-limit-to-extra t]
2657 ["Score..." gnus-summary-limit-to-score t]
2658 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2659 ["Unread" gnus-summary-limit-to-unread t]
2660 ["Unseen" gnus-summary-limit-to-unseen t]
2661 ["Singletons" gnus-summary-limit-to-singletons t]
2662 ["Replied" gnus-summary-limit-to-replied t]
2663 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2664 ["Next or process marked articles" gnus-summary-limit-to-articles t]
2665 ["Pop limit" gnus-summary-pop-limit t]
2666 ["Show dormant" gnus-summary-limit-include-dormant t]
2667 ["Hide childless dormant"
2668 gnus-summary-limit-exclude-childless-dormant t]
2669 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2670 ["Hide marked" gnus-summary-limit-exclude-marks t]
2671 ["Show expunged" gnus-summary-limit-include-expunged t])
2673 ["Set mark" gnus-summary-mark-as-processable t]
2674 ["Remove mark" gnus-summary-unmark-as-processable t]
2675 ["Remove all marks" gnus-summary-unmark-all-processable t]
2676 ["Invert marks" gnus-uu-invert-processable t]
2677 ["Mark above" gnus-uu-mark-over t]
2678 ["Mark series" gnus-uu-mark-series t]
2679 ["Mark region" gnus-uu-mark-region (gnus-mark-active-p)]
2680 ["Unmark region" gnus-uu-unmark-region (gnus-mark-active-p)]
2681 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2682 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2683 ["Mark all" gnus-uu-mark-all t]
2684 ["Mark buffer" gnus-uu-mark-buffer t]
2685 ["Mark sparse" gnus-uu-mark-sparse t]
2686 ["Mark thread" gnus-uu-mark-thread t]
2687 ["Unmark thread" gnus-uu-unmark-thread t]
2688 ("Process Mark Sets"
2689 ["Kill" gnus-summary-kill-process-mark t]
2690 ["Yank" gnus-summary-yank-process-mark
2691 gnus-newsgroup-process-stack]
2692 ["Save" gnus-summary-save-process-mark t]
2693 ["Run command on marked..." gnus-summary-universal-argument t]))
2695 ["Page forward" gnus-summary-next-page
2696 ,@(if (featurep 'xemacs) '(t)
2697 '(:help "Show next page of article"))]
2698 ["Page backward" gnus-summary-prev-page
2699 ,@(if (featurep 'xemacs) '(t)
2700 '(:help "Show previous page of article"))]
2701 ["Line forward" gnus-summary-scroll-up t])
2703 ["Next unread article" gnus-summary-next-unread-article t]
2704 ["Previous unread article" gnus-summary-prev-unread-article t]
2705 ["Next article" gnus-summary-next-article t]
2706 ["Previous article" gnus-summary-prev-article t]
2707 ["Next unread subject" gnus-summary-next-unread-subject t]
2708 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2709 ["Next article same subject" gnus-summary-next-same-subject t]
2710 ["Previous article same subject" gnus-summary-prev-same-subject t]
2711 ["First unread article" gnus-summary-first-unread-article t]
2712 ["Best unread article" gnus-summary-best-unread-article t]
2713 ["Go to subject number..." gnus-summary-goto-subject t]
2714 ["Go to article number..." gnus-summary-goto-article t]
2715 ["Go to the last article" gnus-summary-goto-last-article t]
2716 ["Pop article off history" gnus-summary-pop-article t])
2718 ["Sort by number" gnus-summary-sort-by-number t]
2719 ["Sort by most recent number" gnus-summary-sort-by-most-recent-number t]
2720 ["Sort by author" gnus-summary-sort-by-author t]
2721 ["Sort by recipient" gnus-summary-sort-by-recipient t]
2722 ["Sort by subject" gnus-summary-sort-by-subject t]
2723 ["Sort by date" gnus-summary-sort-by-date t]
2724 ["Sort by most recent date" gnus-summary-sort-by-most-recent-date t]
2725 ["Sort by score" gnus-summary-sort-by-score t]
2726 ["Sort by lines" gnus-summary-sort-by-lines t]
2727 ["Sort by characters" gnus-summary-sort-by-chars t]
2728 ["Randomize" gnus-summary-sort-by-random t]
2729 ["Original sort" gnus-summary-sort-by-original t])
2731 ["Fetch group FAQ" gnus-summary-fetch-faq t]
2732 ["Describe group" gnus-summary-describe-group t]
2733 ["Fetch charter" gnus-group-fetch-charter
2734 ,@(if (featurep 'xemacs) nil
2735 '(:help "Display the charter of the current group"))]
2736 ["Fetch control message" gnus-group-fetch-control
2737 ,@(if (featurep 'xemacs) nil
2738 '(:help "Display the archived control message for the current group"))]
2739 ["Read manual" gnus-info-find-node t])
2741 ["Pick and read" gnus-pick-mode t]
2742 ["Binary" gnus-binary-mode t])
2744 ["Regenerate" gnus-summary-prepare t]
2745 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2746 ["Insert dormant articles" gnus-summary-insert-dormant-articles t]
2747 ["Insert ticked articles" gnus-summary-insert-ticked-articles t]
2748 ["Toggle threading" gnus-summary-toggle-threads t])
2749 ["See old articles" gnus-summary-insert-old-articles t]
2750 ["See new articles" gnus-summary-insert-new-articles t]
2751 ["Filter articles..." gnus-summary-execute-command t]
2752 ["Run command on articles..." gnus-summary-universal-argument t]
2753 ["Search articles forward..." gnus-summary-search-article-forward t]
2754 ["Search articles backward..." gnus-summary-search-article-backward t]
2755 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2756 ["Expand window" gnus-summary-expand-window t]
2757 ["Expire expirable articles" gnus-summary-expire-articles
2758 (gnus-check-backend-function
2759 'request-expire-articles gnus-newsgroup-name)]
2760 ["Edit local kill file" gnus-summary-edit-local-kill t]
2761 ["Edit main kill file" gnus-summary-edit-global-kill t]
2762 ["Edit group parameters" gnus-summary-edit-parameters t]
2763 ["Customize group parameters" gnus-summary-customize-parameters t]
2764 ["Send a bug report" gnus-bug t]
2766 ["Catchup and exit" gnus-summary-catchup-and-exit
2767 ,@(if (featurep 'xemacs) '(t)
2768 '(:help "Mark unread articles in this group as read, then exit"))]
2769 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2770 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2771 ["Catchup and goto prev" gnus-summary-catchup-and-goto-prev-group t]
2772 ["Exit group" gnus-summary-exit
2773 ,@(if (featurep 'xemacs) '(t)
2774 '(:help "Exit current group, return to group selection mode"))]
2775 ["Exit group without updating" gnus-summary-exit-no-update t]
2776 ["Exit and goto next group" gnus-summary-next-group t]
2777 ["Exit and goto prev group" gnus-summary-prev-group t]
2778 ["Reselect group" gnus-summary-reselect-current-group t]
2779 ["Rescan group" gnus-summary-rescan-group t]
2780 ["Update dribble" gnus-summary-save-newsrc t])))
2782 (gnus-run-hooks 'gnus-summary-menu-hook)))
2784 (defvar gnus-summary-tool-bar-map nil)
2786 ;; Note: The :set function in the `gnus-summary-tool-bar*' variables will only
2787 ;; affect _new_ message buffers. We might add a function that walks thru all
2788 ;; summary-mode buffers and force the update.
2789 (defun gnus-summary-tool-bar-update (&optional symbol value)
2790 "Update summary mode toolbar.
2791 Setter function for custom variables."
2792 (setq-default gnus-summary-tool-bar-map nil)
2794 ;; When used as ":set" function:
2795 (set-default symbol value))
2796 (when (gnus-buffer-live-p gnus-summary-buffer)
2797 (with-current-buffer gnus-summary-buffer
2798 (gnus-summary-make-tool-bar))))
2800 (defcustom gnus-summary-tool-bar (if (eq gmm-tool-bar-style 'gnome)
2801 'gnus-summary-tool-bar-gnome
2802 'gnus-summary-tool-bar-retro)
2803 "Specifies the Gnus summary tool bar.
2805 It can be either a list or a symbol refering to a list. See
2806 `gmm-tool-bar-from-list' for the format of the list. The
2807 default key map is `gnus-summary-mode-map'.
2809 Pre-defined symbols include `gnus-summary-tool-bar-gnome' and
2810 `gnus-summary-tool-bar-retro'."
2811 :type '(choice (const :tag "GNOME style" gnus-summary-tool-bar-gnome)
2812 (const :tag "Retro look" gnus-summary-tool-bar-retro)
2813 (repeat :tag "User defined list" gmm-tool-bar-item)
2815 :version "23.1" ;; No Gnus
2816 :initialize 'custom-initialize-default
2817 :set 'gnus-summary-tool-bar-update
2818 :group 'gnus-summary)
2820 (defcustom gnus-summary-tool-bar-gnome
2821 '((gnus-summary-post-news "mail/compose" nil)
2822 (gnus-summary-insert-new-articles "mail/inbox" nil
2823 :visible (or (not gnus-agent)
2825 (gnus-summary-reply-with-original "mail/reply")
2826 (gnus-summary-reply "mail/reply" nil :visible nil)
2827 (gnus-summary-followup-with-original "mail/reply-all")
2828 (gnus-summary-followup "mail/reply-all" nil :visible nil)
2829 (gnus-summary-mail-forward "mail/forward")
2830 (gnus-summary-save-article "mail/save")
2831 (gnus-summary-search-article-forward "search" nil :visible nil)
2832 (gnus-summary-print-article "print")
2833 (gnus-summary-tick-article-forward "flag-followup" nil :visible nil)
2834 ;; Some new commands that may need more suitable icons:
2835 (gnus-summary-save-newsrc "save" nil :visible nil)
2836 ;; (gnus-summary-show-article "stock_message-display" nil :visible nil)
2837 (gnus-summary-prev-article "left-arrow")
2838 (gnus-summary-next-article "right-arrow")
2839 (gnus-summary-next-page "next-page")
2840 ;; (gnus-summary-enter-digest-group "right_arrow" nil :visible nil)
2842 ;; Maybe some sort-by-... could be added:
2843 ;; (gnus-summary-sort-by-author "sort-a-z" nil :visible nil)
2844 ;; (gnus-summary-sort-by-date "sort-1-9" nil :visible nil)
2845 (gnus-summary-mark-as-expirable
2847 :visible (gnus-check-backend-function 'request-expire-articles
2848 gnus-newsgroup-name))
2849 (gnus-summary-mark-as-spam
2851 :visible (and (fboundp 'spam-group-ham-contents-p)
2852 (spam-group-ham-contents-p gnus-newsgroup-name))
2853 :help "Mark as spam")
2854 (gnus-summary-mark-as-read-forward
2856 :visible (and (fboundp 'spam-group-spam-contents-p)
2857 (spam-group-spam-contents-p gnus-newsgroup-name)))
2859 (gnus-summary-exit "exit")
2860 (gmm-customize-mode "preferences" t :help "Edit mode preferences")
2861 (gnus-info-find-node "help"))
2862 "List of functions for the summary tool bar (GNOME style).
2864 See `gmm-tool-bar-from-list' for the format of the list."
2865 :type '(repeat gmm-tool-bar-item)
2866 :version "23.1" ;; No Gnus
2867 :initialize 'custom-initialize-default
2868 :set 'gnus-summary-tool-bar-update
2869 :group 'gnus-summary)
2871 (defcustom gnus-summary-tool-bar-retro
2872 '((gnus-summary-prev-unread-article "gnus/prev-ur")
2873 (gnus-summary-next-unread-article "gnus/next-ur")
2874 (gnus-summary-post-news "gnus/post")
2875 (gnus-summary-followup-with-original "gnus/fuwo")
2876 (gnus-summary-followup "gnus/followup")
2877 (gnus-summary-reply-with-original "gnus/reply-wo")
2878 (gnus-summary-reply "gnus/reply")
2879 (gnus-summary-caesar-message "gnus/rot13")
2880 (gnus-uu-decode-uu "gnus/uu-decode")
2881 (gnus-summary-save-article-file "gnus/save-aif")
2882 (gnus-summary-save-article "gnus/save-art")
2883 (gnus-uu-post-news "gnus/uu-post")
2884 (gnus-summary-catchup "gnus/catchup")
2885 (gnus-summary-catchup-and-exit "gnus/cu-exit")
2886 (gnus-summary-exit "gnus/exit-summ")
2887 ;; Some new command that may need more suitable icons:
2888 (gnus-summary-print-article "gnus/print" nil :visible nil)
2889 (gnus-summary-mark-as-expirable "gnus/close" nil :visible nil)
2890 (gnus-summary-save-newsrc "gnus/save" nil :visible nil)
2891 ;; (gnus-summary-enter-digest-group "gnus/right_arrow" nil :visible nil)
2892 (gnus-summary-search-article-forward "gnus/search" nil :visible nil)
2893 ;; (gnus-summary-insert-new-articles "gnus/paste" nil :visible nil)
2894 ;; (gnus-summary-toggle-threads "gnus/open" nil :visible nil)
2896 (gnus-info-find-node "gnus/help" nil :visible nil))
2897 "List of functions for the summary tool bar (retro look).
2899 See `gmm-tool-bar-from-list' for the format of the list."
2900 :type '(repeat gmm-tool-bar-item)
2901 :version "23.1" ;; No Gnus
2902 :initialize 'custom-initialize-default
2903 :set 'gnus-summary-tool-bar-update
2904 :group 'gnus-summary)
2906 (defcustom gnus-summary-tool-bar-zap-list t
2907 "List of icon items from the global tool bar.
2908 These items are not displayed in the Gnus summary mode tool bar.
2910 See `gmm-tool-bar-from-list' for the format of the list."
2911 :type 'gmm-tool-bar-zap-list
2912 :version "23.1" ;; No Gnus
2913 :initialize 'custom-initialize-default
2914 :set 'gnus-summary-tool-bar-update
2915 :group 'gnus-summary)
2917 (defvar image-load-path)
2918 (defvar tool-bar-map)
2920 (defun gnus-summary-make-tool-bar (&optional force)
2921 "Make a summary mode tool bar from `gnus-summary-tool-bar'.
2922 When FORCE, rebuild the tool bar."
2923 (when (and (not (featurep 'xemacs))
2924 (boundp 'tool-bar-mode)
2926 (or (not gnus-summary-tool-bar-map) force))
2928 (gmm-image-load-path-for-library "gnus"
2931 (image-load-path (cons (car load-path)
2932 (when (boundp 'image-load-path)
2934 (map (gmm-tool-bar-from-list gnus-summary-tool-bar
2935 gnus-summary-tool-bar-zap-list
2936 'gnus-summary-mode-map)))
2938 ;; Need to set `gnus-summary-tool-bar-map' because `gnus-article-mode'
2940 (setq gnus-summary-tool-bar-map map))))
2941 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map))
2943 (defun gnus-score-set-default (var value)
2944 "A version of set that updates the GNU Emacs menu-bar."
2946 ;; It is the message that forces the active status to be updated.
2949 (defun gnus-make-score-map (type)
2950 "Make a summary score map of type TYPE."
2953 (let ((headers '(("author" "from" string)
2954 ("subject" "subject" string)
2955 ("article body" "body" string)
2956 ("article head" "head" string)
2957 ("xref" "xref" string)
2958 ("extra header" "extra" string)
2959 ("lines" "lines" number)
2960 ("followups to author" "followup" string)))
2961 (types '((number ("less than" <)
2964 (string ("substring" s)
2968 (perms '(("temporary" (current-time-string))
2976 (if (eq type 'lower)
2981 (setq header (car headers))
2987 (let ((ts (cdr (assoc (nth 2 header) types)))
3003 'gnus-summary-score-entry
3005 (if (or (string= (nth 1 header)
3007 (string= (nth 1 header)
3010 (list 'gnus-summary-header
3012 (list 'quote (nth 1 (car ts)))
3013 (list 'gnus-score-delta-default
3020 (list (nreverse outp))))
3023 (list (nreverse outt))))
3025 (setq headers (cdr headers)))
3026 (list (nreverse outh))))))))
3029 (declare-function turn-on-gnus-mailing-list-mode "gnus-ml" ())
3033 (defun gnus-summary-mode (&optional group)
3034 "Major mode for reading articles.
3036 All normal editing commands are switched off.
3037 \\<gnus-summary-mode-map>
3038 Each line in this buffer represents one article. To read an
3039 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
3040 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
3043 You can also post articles and send mail from this buffer. To
3044 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
3045 of an article, type `\\[gnus-summary-reply]'.
3047 There are approx. one gazillion commands you can execute in this
3048 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
3050 The following commands are available:
3052 \\{gnus-summary-mode-map}"
3054 (kill-all-local-variables)
3055 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
3056 (gnus-summary-make-local-variables))
3057 (gnus-summary-make-local-variables)
3058 (setq gnus-newsgroup-name group)
3059 (when (gnus-visual-p 'summary-menu 'menu)
3060 (gnus-summary-make-menu-bar)
3061 (gnus-summary-make-tool-bar))
3062 (gnus-make-thread-indent-array)
3063 (gnus-simplify-mode-line)
3064 (setq major-mode 'gnus-summary-mode)
3065 (setq mode-name "Summary")
3066 (make-local-variable 'minor-mode-alist)
3067 (use-local-map gnus-summary-mode-map)
3068 (buffer-disable-undo)
3069 (setq buffer-read-only t ;Disable modification
3070 show-trailing-whitespace nil)
3071 (setq truncate-lines t)
3072 (setq selective-display t)
3073 (setq selective-display-ellipses t) ;Display `...'
3074 (gnus-summary-set-display-table)
3075 (gnus-set-default-directory)
3076 (make-local-variable 'gnus-summary-line-format)
3077 (make-local-variable 'gnus-summary-line-format-spec)
3078 (make-local-variable 'gnus-summary-dummy-line-format)
3079 (make-local-variable 'gnus-summary-dummy-line-format-spec)
3080 (make-local-variable 'gnus-summary-mark-positions)
3081 (gnus-make-local-hook 'pre-command-hook)
3082 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
3083 (gnus-run-mode-hooks 'gnus-summary-mode-hook)
3084 (turn-on-gnus-mailing-list-mode)
3085 (mm-enable-multibyte)
3086 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
3087 (gnus-update-summary-mark-positions))
3089 (defun gnus-summary-make-local-variables ()
3090 "Make all the local summary buffer variables."
3092 (dolist (local gnus-summary-local-variables)
3095 (if (eq (cdr local) 'global)
3096 ;; Copy the global value of the variable.
3097 (setq global (symbol-value (car local)))
3098 ;; Use the value from the list.
3099 (setq global (eval (cdr local))))
3100 (set (make-local-variable (car local)) global))
3101 ;; Simple nil-valued local variable.
3102 (set (make-local-variable local) nil)))))
3104 (defun gnus-summary-clear-local-variables ()
3105 (let ((locals gnus-summary-local-variables))
3107 (if (consp (car locals))
3108 (and (symbolp (caar locals))
3109 (set (caar locals) nil))
3110 (and (symbolp (car locals))
3111 (set (car locals) nil)))
3112 (setq locals (cdr locals)))))
3114 ;; Summary data functions.
3116 (defmacro gnus-data-number (data)
3119 (defmacro gnus-data-set-number (data number)
3120 `(setcar ,data ,number))
3122 (defmacro gnus-data-mark (data)
3125 (defmacro gnus-data-set-mark (data mark)
3126 `(setcar (nthcdr 1 ,data) ,mark))
3128 (defmacro gnus-data-pos (data)
3131 (defmacro gnus-data-set-pos (data pos)
3132 `(setcar (nthcdr 2 ,data) ,pos))
3134 (defmacro gnus-data-header (data)
3137 (defmacro gnus-data-set-header (data header)
3138 `(setf (nth 3 ,data) ,header))
3140 (defmacro gnus-data-level (data)
3143 (defmacro gnus-data-unread-p (data)
3144 `(= (nth 1 ,data) gnus-unread-mark))
3146 (defmacro gnus-data-read-p (data)
3147 `(/= (nth 1 ,data) gnus-unread-mark))
3149 (defmacro gnus-data-pseudo-p (data)
3150 `(consp (nth 3 ,data)))
3152 (defmacro gnus-data-find (number)
3153 `(assq ,number gnus-newsgroup-data))
3155 (defmacro gnus-data-find-list (number &optional data)
3156 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
3157 (memq (assq ,number bdata)
3160 (defmacro gnus-data-make (number mark pos header level)
3161 `(list ,number ,mark ,pos ,header ,level))
3163 (defun gnus-data-enter (after-article number mark pos header level offset)
3164 (let ((data (gnus-data-find-list after-article)))
3166 (error "No such article: %d" after-article))
3167 (setcdr data (cons (gnus-data-make number mark pos header level)
3169 (setq gnus-newsgroup-data-reverse nil)
3170 (gnus-data-update-list (cddr data) offset)))
3172 (defun gnus-data-enter-list (after-article list &optional offset)
3174 (let ((data (and after-article (gnus-data-find-list after-article)))
3178 (let ((odata gnus-newsgroup-data))
3179 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
3181 (gnus-data-update-list odata offset)))
3182 ;; Find the last element in the list to be spliced into the main
3184 (setq list (last list))
3187 (setcdr list gnus-newsgroup-data)
3188 (setq gnus-newsgroup-data ilist)
3190 (gnus-data-update-list (cdr list) offset)))
3191 (setcdr list (cdr data))
3194 (gnus-data-update-list (cdr list) offset))))
3195 (setq gnus-newsgroup-data-reverse nil))))
3197 (defun gnus-data-remove (article &optional offset)
3198 (let ((data gnus-newsgroup-data))
3199 (if (= (gnus-data-number (car data)) article)
3201 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
3202 gnus-newsgroup-data-reverse nil)
3204 (gnus-data-update-list gnus-newsgroup-data offset)))
3206 (when (= (gnus-data-number (cadr data)) article)
3207 (setcdr data (cddr data))
3209 (gnus-data-update-list (cdr data) offset))
3211 gnus-newsgroup-data-reverse nil))
3212 (setq data (cdr data))))))
3214 (defmacro gnus-data-list (backward)
3216 (or gnus-newsgroup-data-reverse
3217 (setq gnus-newsgroup-data-reverse
3218 (reverse gnus-newsgroup-data)))
3219 gnus-newsgroup-data))
3221 (defun gnus-data-update-list (data offset)
3222 "Add OFFSET to the POS of all data entries in DATA."
3223 (setq gnus-newsgroup-data-reverse nil)
3225 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
3226 (setq data (cdr data))))
3228 (defun gnus-summary-article-pseudo-p (article)
3229 "Say whether this article is a pseudo article or not."
3230 (not (vectorp (gnus-data-header (gnus-data-find article)))))
3232 (defmacro gnus-summary-article-sparse-p (article)
3233 "Say whether this article is a sparse article or not."
3234 `(memq ,article gnus-newsgroup-sparse))
3236 (defmacro gnus-summary-article-ancient-p (article)
3237 "Say whether this article is a sparse article or not."
3238 `(memq ,article gnus-newsgroup-ancient))
3240 (defun gnus-article-parent-p (number)
3241 "Say whether this article is a parent or not."
3242 (let ((data (gnus-data-find-list number)))
3243 (and (cdr data) ; There has to be an article after...
3244 (< (gnus-data-level (car data)) ; And it has to have a higher level.
3245 (gnus-data-level (nth 1 data))))))
3247 (defun gnus-article-children (number)
3248 "Return a list of all children to NUMBER."
3249 (let* ((data (gnus-data-find-list number))
3250 (level (gnus-data-level (car data)))
3252 (setq data (cdr data))
3254 (= (gnus-data-level (car data)) (1+ level)))
3255 (push (gnus-data-number (car data)) children)
3256 (setq data (cdr data)))
3259 (defmacro gnus-summary-skip-intangible ()
3260 "If the current article is intangible, then jump to a different article."
3261 '(let ((to (get-text-property (point) 'gnus-intangible)))
3262 (and to (gnus-summary-goto-subject to))))
3264 (defmacro gnus-summary-article-intangible-p ()
3265 "Say whether this article is intangible or not."
3266 '(get-text-property (point) 'gnus-intangible))
3268 (defun gnus-article-read-p (article)
3269 "Say whether ARTICLE is read or not."
3270 (not (or (memq article gnus-newsgroup-marked)
3271 (memq article gnus-newsgroup-spam-marked)
3272 (memq article gnus-newsgroup-unreads)
3273 (memq article gnus-newsgroup-unselected)
3274 (memq article gnus-newsgroup-dormant))))
3276 ;; Some summary mode macros.
3278 (defmacro gnus-summary-article-number ()
3279 "The article number of the article on the current line.
3280 If there isn't an article number here, then we return the current
3283 (gnus-summary-skip-intangible)
3284 (or (get-text-property (point) 'gnus-number)
3285 (gnus-summary-last-subject))))
3287 (defmacro gnus-summary-article-header (&optional number)
3288 "Return the header of article NUMBER."
3289 `(gnus-data-header (gnus-data-find
3290 ,(or number '(gnus-summary-article-number)))))
3292 (defmacro gnus-summary-thread-level (&optional number)
3293 "Return the level of thread that starts with article NUMBER."
3294 `(if (and (eq gnus-summary-make-false-root 'dummy)
3295 (get-text-property (point) 'gnus-intangible))
3297 (gnus-data-level (gnus-data-find
3298 ,(or number '(gnus-summary-article-number))))))
3300 (defmacro gnus-summary-article-mark (&optional number)
3301 "Return the mark of article NUMBER."
3302 `(gnus-data-mark (gnus-data-find
3303 ,(or number '(gnus-summary-article-number)))))
3305 (defmacro gnus-summary-article-pos (&optional number)
3306 "Return the position of the line of article NUMBER."
3307 `(gnus-data-pos (gnus-data-find
3308 ,(or number '(gnus-summary-article-number)))))
3310 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
3311 (defmacro gnus-summary-article-subject (&optional number)
3312 "Return current subject string or nil if nothing."
3315 `(gnus-data-header (assq ,number gnus-newsgroup-data))
3316 '(gnus-data-header (assq (gnus-summary-article-number)
3317 gnus-newsgroup-data)))))
3320 (mail-header-subject headers))))
3322 (defmacro gnus-summary-article-score (&optional number)
3323 "Return current article score."
3324 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
3325 gnus-newsgroup-scored))
3326 gnus-summary-default-score 0))
3328 (defun gnus-summary-article-children (&optional number)
3329 "Return a list of article numbers that are children of article NUMBER."
3330 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
3331 (level (gnus-data-level (car data)))
3333 (while (and (setq data (cdr data))
3334 (> (setq l (gnus-data-level (car data))) level))
3335 (and (= (1+ level) l)
3336 (push (gnus-data-number (car data))
3338 (nreverse children)))
3340 (defun gnus-summary-article-parent (&optional number)
3341 "Return the article number of the parent of article NUMBER."
3342 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
3343 (gnus-data-list t)))
3344 (level (gnus-data-level (car data))))
3346 () ; This is a root.
3347 ;; We search until we find an article with a level less than
3348 ;; this one. That function has to be the parent.
3349 (while (and (setq data (cdr data))
3350 (not (< (gnus-data-level (car data)) level))))
3351 (and data (gnus-data-number (car data))))))
3353 (defun gnus-unread-mark-p (mark)
3354 "Say whether MARK is the unread mark."
3355 (= mark gnus-unread-mark))
3357 (defun gnus-read-mark-p (mark)
3358 "Say whether MARK is one of the marks that mark as read.
3359 This is all marks except unread, ticked, dormant, and expirable."
3360 (not (or (= mark gnus-unread-mark)
3361 (= mark gnus-ticked-mark)
3362 (= mark gnus-spam-mark)
3363 (= mark gnus-dormant-mark)
3364 (= mark gnus-expirable-mark))))
3366 (defmacro gnus-article-mark (number)
3367 "Return the MARK of article NUMBER.
3368 This macro should only be used when computing the mark the \"first\"
3369 time; i.e., when generating the summary lines. After that,
3370 `gnus-summary-article-mark' should be used to examine the
3373 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
3374 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
3375 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
3376 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
3377 ((memq ,number gnus-newsgroup-spam-marked) gnus-spam-mark)
3378 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
3379 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
3380 (t (or (cdr (assq ,number gnus-newsgroup-reads))
3381 gnus-ancient-mark))))
3383 ;; Saving hidden threads.
3385 (defmacro gnus-save-hidden-threads (&rest forms)
3386 "Save hidden threads, eval FORMS, and restore the hidden threads."
3387 (let ((config (make-symbol "config")))
3388 `(let ((,config (gnus-hidden-threads-configuration)))
3392 (gnus-restore-hidden-threads-configuration ,config)))))
3393 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
3394 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
3396 (defun gnus-data-compute-positions ()
3397 "Compute the positions of all articles."
3398 (setq gnus-newsgroup-data-reverse nil)
3399 (let ((data gnus-newsgroup-data))
3401 (gnus-save-hidden-threads
3402 (gnus-summary-show-all-threads)
3403 (goto-char (point-min))
3405 (while (get-text-property (point) 'gnus-intangible)
3407 (gnus-data-set-pos (car data) (+ (point) 3))
3408 (setq data (cdr data))
3409 (forward-line 1))))))
3411 (defun gnus-hidden-threads-configuration ()
3412 "Return the current hidden threads configuration."
3415 (goto-char (point-min))
3416 (while (search-forward "\r" nil t)
3417 (push (1- (point)) config))
3420 (defun gnus-restore-hidden-threads-configuration (config)
3421 "Restore hidden threads configuration from CONFIG."
3423 (let (point (inhibit-read-only t))
3424 (while (setq point (pop config))
3425 (when (and (< point (point-max))
3427 (eq (char-after) ?\n))
3428 (subst-char-in-region point (1+ point) ?\n ?\r))))))
3430 ;; Various summary mode internalish functions.
3432 (defun gnus-mouse-pick-article (e)
3435 (gnus-summary-next-page nil t))
3437 (defun gnus-summary-set-display-table ()
3438 "Change the display table.
3439 Odd characters have a tendency to mess
3440 up nicely formatted displays - we make all possible glyphs
3441 display only a single character."
3443 ;; We start from the standard display table, if any.
3444 (let ((table (or (copy-sequence standard-display-table)
3445 (make-display-table)))
3447 ;; Nix out all the control chars...
3448 (while (>= (setq i (1- i)) 0)
3449 (gnus-put-display-table i [??] table))
3450 ;; ... but not newline and cr, of course. (cr is necessary for the
3451 ;; selective display).
3452 (gnus-put-display-table ?\n nil table)
3453 (gnus-put-display-table ?\r nil table)
3454 ;; We keep TAB as well.
3455 (gnus-put-display-table ?\t nil table)
3456 ;; We nix out any glyphs 127 through 255, or 127 through 159 in
3457 ;; Emacs 23 (unicode), that are not set already.
3458 (let ((i (if (ignore-errors (= (make-char 'latin-iso8859-1 160) 160))
3461 (while (>= (setq i (1- i)) 127)
3462 ;; Only modify if the entry is nil.
3463 (unless (gnus-get-display-table i table)
3464 (gnus-put-display-table i [??] table))))
3465 (setq buffer-display-table table)))
3467 (defun gnus-summary-set-article-display-arrow (pos)
3468 "Update the overlay arrow to point to line at position POS."
3469 (when gnus-summary-display-arrow
3470 (make-local-variable 'overlay-arrow-position)
3471 (make-local-variable 'overlay-arrow-string)
3475 (unless overlay-arrow-position
3476 (setq overlay-arrow-position (make-marker)))
3477 (setq overlay-arrow-string "=>"
3478 overlay-arrow-position (set-marker overlay-arrow-position
3480 (current-buffer))))))
3482 (defun gnus-summary-setup-buffer (group)
3483 "Initialize summary buffer."
3484 (let ((buffer (gnus-summary-buffer-name group))
3485 (dead-name (concat "*Dead Summary "
3486 (gnus-group-decoded-name group) "*")))
3487 ;; If a dead summary buffer exists, we kill it.
3488 (when (gnus-buffer-live-p dead-name)
3489 (gnus-kill-buffer dead-name))
3490 (if (get-buffer buffer)
3493 (setq gnus-summary-buffer (current-buffer))
3494 (not gnus-newsgroup-prepared))
3495 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
3496 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
3497 (gnus-summary-mode group)
3499 (gnus-carpal-setup-buffer 'summary))
3500 (when (gnus-group-quit-config group)
3501 (set (make-local-variable 'gnus-single-article-buffer) nil))
3502 (make-local-variable 'gnus-article-buffer)
3503 (make-local-variable 'gnus-article-current)
3504 (make-local-variable 'gnus-original-article-buffer)
3505 (setq gnus-newsgroup-name group)
3506 ;; Set any local variables in the group parameters.
3507 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3510 (defun gnus-set-global-variables ()
3511 "Set the global equivalents of the buffer-local variables.
3512 They are set to the latest values they had. These reflect the summary
3513 buffer that was in action when the last article was fetched."
3514 (when (eq major-mode 'gnus-summary-mode)
3515 (setq gnus-summary-buffer (current-buffer))
3516 (let ((name gnus-newsgroup-name)
3517 (marked gnus-newsgroup-marked)
3518 (spam gnus-newsgroup-spam-marked)
3519 (unread gnus-newsgroup-unreads)
3520 (headers gnus-current-headers)
3521 (data gnus-newsgroup-data)
3522 (summary gnus-summary-buffer)
3523 (article-buffer gnus-article-buffer)
3524 (original gnus-original-article-buffer)
3525 (gac gnus-article-current)
3526 (reffed gnus-reffed-article-number)
3527 (score-file gnus-current-score-file)
3528 (default-charset gnus-newsgroup-charset)
3530 (let ((locals gnus-newsgroup-variables))
3532 (if (consp (car locals))
3533 (push (eval (caar locals)) vlist)
3534 (push (eval (car locals)) vlist))
3535 (setq locals (cdr locals)))
3536 (setq vlist (nreverse vlist)))
3537 (with-current-buffer gnus-group-buffer
3538 (setq gnus-newsgroup-name name
3539 gnus-newsgroup-marked marked
3540 gnus-newsgroup-spam-marked spam
3541 gnus-newsgroup-unreads unread
3542 gnus-current-headers headers
3543 gnus-newsgroup-data data
3544 gnus-article-current gac
3545 gnus-summary-buffer summary
3546 gnus-article-buffer article-buffer
3547 gnus-original-article-buffer original
3548 gnus-reffed-article-number reffed
3549 gnus-current-score-file score-file
3550 gnus-newsgroup-charset default-charset)
3551 (let ((locals gnus-newsgroup-variables))
3553 (if (consp (car locals))
3554 (set (caar locals) (pop vlist))
3555 (set (car locals) (pop vlist)))
3556 (setq locals (cdr locals))))
3557 ;; The article buffer also has local variables.
3558 (when (gnus-buffer-live-p gnus-article-buffer)
3559 (set-buffer gnus-article-buffer)
3560 (setq gnus-summary-buffer summary))))))
3562 (defun gnus-summary-article-unread-p (article)
3563 "Say whether ARTICLE is unread or not."
3564 (memq article gnus-newsgroup-unreads))
3566 (defun gnus-summary-first-article-p (&optional article)
3567 "Return whether ARTICLE is the first article in the buffer."
3568 (if (not (setq article (or article (gnus-summary-article-number))))
3570 (eq article (caar gnus-newsgroup-data))))
3572 (defun gnus-summary-last-article-p (&optional article)
3573 "Return whether ARTICLE is the last article in the buffer."
3574 (if (not (setq article (or article (gnus-summary-article-number))))
3575 ;; All non-existent numbers are the last article. :-)
3577 (not (cdr (gnus-data-find-list article)))))
3579 (defun gnus-make-thread-indent-array (&optional n)
3581 (progn (setq n 200) nil)
3582 (null gnus-thread-indent-array)
3583 (/= gnus-thread-indent-level gnus-thread-indent-array-level))
3584 (setq gnus-thread-indent-array (make-vector (1+ n) "")
3585 gnus-thread-indent-array-level gnus-thread-indent-level)
3587 (aset gnus-thread-indent-array n
3588 (make-string (* n gnus-thread-indent-level) ? ))
3591 (defun gnus-update-summary-mark-positions ()
3592 "Compute where the summary marks are to go."
3594 (when (gnus-buffer-exists-p gnus-summary-buffer)
3595 (set-buffer gnus-summary-buffer))
3596 (let ((spec gnus-summary-line-format-spec)
3599 (gnus-set-work-buffer)
3600 (let ((gnus-tmp-unread ?Z)
3601 (gnus-replied-mark ?Z)
3602 (gnus-score-below-mark ?Z)
3603 (gnus-score-over-mark ?Z)
3604 (gnus-undownloaded-mark ?Z)
3605 (gnus-summary-line-format-spec spec)
3606 (gnus-newsgroup-downloadable '(0))
3607 (header [0 "" "" "05 Apr 2001 23:33:09 +0400" "" "" 0 0 "" nil])
3608 case-fold-search ignores)
3609 ;; Here, all marks are bound to Z.
3610 (gnus-summary-insert-line header
3611 0 nil t gnus-tmp-unread t nil "" nil 1)
3612 (goto-char (point-min))
3613 ;; Memorize the positions of the same characters as dummy marks.
3614 (while (re-search-forward "[A-D]" nil t)
3615 (push (point) ignores))
3617 ;; We use A-D as dummy marks in order to know column positions
3618 ;; where marks should be inserted.
3619 (setq gnus-tmp-unread ?A
3620 gnus-replied-mark ?B
3621 gnus-score-below-mark ?C
3622 gnus-score-over-mark ?C
3623 gnus-undownloaded-mark ?D)
3624 (gnus-summary-insert-line header
3625 0 nil t gnus-tmp-unread t nil "" nil 1)
3626 ;; Ignore characters which aren't dummy marks.
3628 (delete-region (goto-char (1- p)) p)
3630 (goto-char (point-min))
3631 (setq pos (list (cons 'unread
3632 (and (search-forward "A" nil t)
3633 (- (point) (point-min) 1)))))
3634 (goto-char (point-min))
3635 (push (cons 'replied (and (search-forward "B" nil t)
3636 (- (point) (point-min) 1)))
3638 (goto-char (point-min))
3639 (push (cons 'score (and (search-forward "C" nil t)
3640 (- (point) (point-min) 1)))
3642 (goto-char (point-min))
3643 (push (cons 'download (and (search-forward "D" nil t)
3644 (- (point) (point-min) 1)))
3646 (setq gnus-summary-mark-positions pos))))
3648 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
3649 "Insert a dummy root in the summary buffer."
3651 (gnus-add-text-properties
3652 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
3653 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
3655 (defun gnus-summary-extract-address-component (from)
3656 (or (car (funcall gnus-extract-address-components from))
3659 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
3660 (let ((mail-parse-charset gnus-newsgroup-charset)
3661 (ignored-from-addresses (gnus-ignored-from-addresses))
3662 ; Is it really necessary to do this next part for each summary line?
3663 ; Luckily, doesn't seem to slow things down much.
3664 (mail-parse-ignored-charsets
3665 (with-current-buffer gnus-summary-buffer
3666 gnus-newsgroup-ignored-charsets)))
3668 (and ignored-from-addresses
3669 (string-match ignored-from-addresses gnus-tmp-from)
3670 (let ((extra-headers (mail-header-extra header))
3674 ((setq to (cdr (assq 'To extra-headers)))
3675 (concat gnus-summary-to-prefix
3677 (gnus-summary-extract-address-component
3678 (funcall gnus-decode-encoded-address-function to)))))
3681 (cdr (assq 'Newsgroups extra-headers))
3683 (memq 'Newsgroups gnus-extra-headers)
3684 (eq (car (gnus-find-method-for-group
3685 gnus-newsgroup-name)) 'nntp)
3686 (gnus-group-real-name gnus-newsgroup-name))))
3687 (concat gnus-summary-newsgroup-prefix newsgroups)))))
3688 (inline (gnus-summary-extract-address-component gnus-tmp-from)))))
3690 (defun gnus-summary-insert-line (gnus-tmp-header
3691 gnus-tmp-level gnus-tmp-current
3692 undownloaded gnus-tmp-unread gnus-tmp-replied
3693 gnus-tmp-expirable gnus-tmp-subject-or-nil
3694 &optional gnus-tmp-dummy gnus-tmp-score
3696 (if (>= gnus-tmp-level (length gnus-thread-indent-array))
3697 (gnus-make-thread-indent-array (max (* 2 (length gnus-thread-indent-array))
3699 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
3700 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
3701 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
3702 (gnus-tmp-score-char
3703 (if (or (null gnus-summary-default-score)
3704 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3705 gnus-summary-zcore-fuzz))
3707 (if (< gnus-tmp-score gnus-summary-default-score)
3708 gnus-score-below-mark gnus-score-over-mark)))
3709 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3711 (cond (gnus-tmp-process gnus-process-mark)
3712 ((memq gnus-tmp-current gnus-newsgroup-cached)
3714 (gnus-tmp-replied gnus-replied-mark)
3715 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3716 gnus-forwarded-mark)
3717 ((memq gnus-tmp-current gnus-newsgroup-saved)
3719 ((memq gnus-tmp-number gnus-newsgroup-recent)
3721 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3724 (gnus-tmp-downloaded
3726 gnus-undownloaded-mark)
3727 (gnus-newsgroup-agentized
3728 gnus-downloaded-mark)
3731 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3734 ((string-match "<[^>]+> *$" gnus-tmp-from)
3735 (let ((beg (match-beginning 0)))
3736 (or (and (string-match "^\".+\"" gnus-tmp-from)
3737 (substring gnus-tmp-from 1 (1- (match-end 0))))
3738 (substring gnus-tmp-from 0 beg))))
3739 ((string-match "(.+)" gnus-tmp-from)
3740 (substring gnus-tmp-from
3741 (1+ (match-beginning 0)) (1- (match-end 0))))
3743 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3744 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3745 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3746 (inhibit-read-only t))
3747 (when (string= gnus-tmp-name "")
3748 (setq gnus-tmp-name gnus-tmp-from))
3749 (unless (numberp gnus-tmp-lines)
3750 (setq gnus-tmp-lines -1))
3751 (if (= gnus-tmp-lines -1)
3752 (setq gnus-tmp-lines "?")
3753 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3755 (gnus-put-text-property
3757 (progn (eval gnus-summary-line-format-spec) (point))
3758 'gnus-number gnus-tmp-number)
3759 (error (gnus-message 5 "Error updating the summary line")))
3760 (when (gnus-visual-p 'summary-highlight 'highlight)
3762 (gnus-run-hooks 'gnus-summary-update-hook)
3765 (defun gnus-summary-update-line (&optional dont-update)
3766 "Update summary line after change."
3767 (when (and gnus-summary-default-score
3768 (not gnus-summary-inhibit-highlight))
3769 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3770 (article (gnus-summary-article-number))
3771 (score (gnus-summary-article-score article)))
3773 (if (and gnus-summary-mark-below
3774 (< (gnus-summary-article-score)
3775 gnus-summary-mark-below))
3776 ;; This article has a low score, so we mark it as read.
3777 (when (memq article gnus-newsgroup-unreads)
3778 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3779 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3780 ;; This article was previously marked as read on account
3781 ;; of a low score, but now it has risen, so we mark it as
3783 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3784 (gnus-summary-update-mark
3785 (if (or (null gnus-summary-default-score)
3786 (<= (abs (- score gnus-summary-default-score))
3787 gnus-summary-zcore-fuzz))
3789 (if (< score gnus-summary-default-score)
3790 gnus-score-below-mark gnus-score-over-mark))
3792 ;; Do visual highlighting.
3793 (when (gnus-visual-p 'summary-highlight 'highlight)
3794 (gnus-run-hooks 'gnus-summary-update-hook)))))
3796 (defvar gnus-tmp-new-adopts nil)
3798 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3799 "Return the number of articles in THREAD.
3800 This may be 0 in some cases -- if none of the articles in
3801 the thread are to be displayed."
3803 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3805 ((not (listp thread))
3807 ((and (consp thread) (cdr thread))
3810 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3813 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3816 (when (and level (zerop level) gnus-tmp-new-adopts)
3819 'gnus-summary-number-of-articles-in-thread
3820 gnus-tmp-new-adopts))))
3822 (if (> number 1) gnus-not-empty-thread-mark
3823 gnus-empty-thread-mark)
3826 (defsubst gnus-summary-line-message-size (head)
3827 "Return pretty-printed version of message size.
3828 This function is intended to be used in
3829 `gnus-summary-line-format-alist'."
3830 (let ((c (or (mail-header-chars head) -1)))
3831 (cond ((< c 0) "n/a") ; chars not available
3832 ((< c (* 1000 10)) (format "%1.1fk" (/ c 1024.0)))
3833 ((< c (* 1000 100)) (format "%dk" (/ c 1024.0)))
3834 ((< c (* 1000 10000)) (format "%1.1fM" (/ c (* 1024.0 1024))))
3835 (t (format "%dM" (/ c (* 1024.0 1024)))))))
3838 (defun gnus-summary-set-local-parameters (group)
3839 "Go through the local params of GROUP and set all variable specs in that list."
3840 (let ((vars '(quit-config))) ; Ignore quit-config.
3841 (dolist (elem (gnus-group-find-parameter group))
3842 (and (consp elem) ; Has to be a cons.
3843 (consp (cdr elem)) ; The cdr has to be a list.
3844 (symbolp (car elem)) ; Has to be a symbol in there.
3845 (not (memq (car elem) vars))
3847 (push (car elem) vars)
3848 ;; Variables like `gnus-show-threads' that are globally
3849 ;; bound, if used as group parameters, need to get to be
3850 ;; buffer-local, whereas just parameters like `gcc-self',
3851 ;; `timestamp', etc. should not be bound as variables.
3852 (if (boundp (car elem))
3853 (set (make-local-variable (car elem)) (eval (nth 1 elem)))
3854 (eval (nth 1 elem))))))))
3856 (defun gnus-summary-read-group (group &optional show-all no-article
3857 kill-buffer no-display backward
3859 "Start reading news in newsgroup GROUP.
3860 If SHOW-ALL is non-nil, already read articles are also listed.
3861 If NO-ARTICLE is non-nil, no article is selected initially.
3862 If NO-DISPLAY, don't generate a summary buffer."
3866 (let ((gnus-auto-select-next nil))
3867 (or (gnus-summary-read-group-1
3868 group show-all no-article
3869 kill-buffer no-display
3872 select-articles nil)))))
3873 (eq gnus-auto-select-next 'quietly))
3874 (set-buffer gnus-group-buffer)
3875 ;; The entry function called above goes to the next
3876 ;; group automatically, so we go two groups back
3877 ;; if we are searching for the previous group.
3879 (gnus-group-prev-unread-group 2))
3880 (if (not (equal group (gnus-group-group-name)))
3881 (setq group (gnus-group-group-name))
3885 (defun gnus-summary-read-group-1 (group show-all no-article
3886 kill-buffer no-display
3887 &optional select-articles)
3888 ;; Killed foreign groups can't be entered.
3889 ;; (when (and (not (gnus-group-native-p group))
3890 ;; (not (gnus-gethash group gnus-newsrc-hashtb)))
3891 ;; (error "Dead non-native groups can't be entered"))
3892 (gnus-message 5 "Retrieving newsgroup: %s..."
3893 (gnus-group-decoded-name group))
3894 (let* ((new-group (gnus-summary-setup-buffer group))
3895 (quit-config (gnus-group-quit-config group))
3896 (did-select (and new-group (gnus-select-newsgroup
3897 group show-all select-articles))))
3899 ;; This summary buffer exists already, so we just select it.
3901 (gnus-set-global-variables)
3903 (gnus-kill-or-deaden-summary kill-buffer))
3904 (gnus-configure-windows 'summary 'force)
3905 (gnus-set-mode-line 'summary)
3906 (gnus-summary-position-point)
3909 ;; We couldn't select this group.
3911 (when (and (eq major-mode 'gnus-summary-mode)
3912 (not (equal (current-buffer) kill-buffer)))
3913 (kill-buffer (current-buffer))
3914 (if (not quit-config)
3916 ;; Update the info -- marks might need to be removed,
3918 (gnus-summary-update-info)
3919 (set-buffer gnus-group-buffer)
3920 (gnus-group-jump-to-group group)
3921 (gnus-group-next-unread-group 1))
3922 (gnus-handle-ephemeral-exit quit-config)))
3923 (let ((grpinfo (gnus-get-info group)))
3924 (if (null (gnus-info-read grpinfo))
3925 (gnus-message 3 "Group %s contains no messages"
3926 (gnus-group-decoded-name group))
3927 (gnus-message 3 "Can't select group")))
3929 ;; The user did a `C-g' while prompting for number of articles,
3930 ;; so we exit this group.
3931 ((eq did-select 'quit)
3932 (and (eq major-mode 'gnus-summary-mode)
3933 (not (equal (current-buffer) kill-buffer))
3934 (kill-buffer (current-buffer)))
3936 (gnus-kill-or-deaden-summary kill-buffer))
3937 (if (not quit-config)
3939 (set-buffer gnus-group-buffer)
3940 (gnus-group-jump-to-group group)
3941 (gnus-group-next-unread-group 1)
3942 (gnus-configure-windows 'group 'force))
3943 (gnus-handle-ephemeral-exit quit-config))
3944 ;; Finally signal the quit.
3946 ;; The group was successfully selected.
3948 (gnus-set-global-variables)
3949 ;; Save the active value in effect when the group was entered.
3950 (setq gnus-newsgroup-active
3952 (gnus-active gnus-newsgroup-name)))
3953 ;; You can change the summary buffer in some way with this hook.
3954 (gnus-run-hooks 'gnus-select-group-hook)
3955 (when (memq 'summary (gnus-update-format-specifications
3956 nil 'summary 'summary-mode 'summary-dummy))
3957 ;; The format specification for the summary line was updated,
3958 ;; so we need to update the mark positions as well.
3959 (gnus-update-summary-mark-positions))
3960 ;; Do score processing.
3961 (when gnus-use-scoring
3962 (gnus-possibly-score-headers))
3963 ;; Check whether to fill in the gaps in the threads.
3964 (when gnus-build-sparse-threads
3965 (gnus-build-sparse-threads))
3966 ;; Find the initial limit.
3968 (let ((gnus-newsgroup-dormant nil))
3969 (gnus-summary-initial-limit show-all))
3970 (gnus-summary-initial-limit show-all))
3971 ;; Generate the summary buffer.
3973 (gnus-summary-prepare))
3974 (when gnus-use-trees
3975 (gnus-tree-open group)
3976 (setq gnus-summary-highlight-line-function
3977 'gnus-tree-highlight-article))
3978 ;; If the summary buffer is empty, but there are some low-scored
3979 ;; articles or some excluded dormants, we include these in the
3981 (when (and (zerop (buffer-size))
3983 (cond (gnus-newsgroup-dormant
3984 (gnus-summary-limit-include-dormant))
3985 ((and gnus-newsgroup-scored show-all)
3986 (gnus-summary-limit-include-expunged t))))
3987 ;; Function `gnus-apply-kill-file' must be called in this hook.
3988 (gnus-run-hooks 'gnus-apply-kill-hook)
3989 (if (and (zerop (buffer-size))
3992 ;; This newsgroup is empty.
3993 (gnus-summary-catchup-and-exit nil t)
3994 (gnus-message 6 "No unread news")
3996 (gnus-kill-or-deaden-summary kill-buffer))
3997 ;; Return nil from this function.
3999 ;; Hide conversation thread subtrees. We cannot do this in
4000 ;; gnus-summary-prepare-hook since kill processing may not
4001 ;; work with hidden articles.
4002 (gnus-summary-maybe-hide-threads)
4004 (gnus-kill-or-deaden-summary kill-buffer))
4005 (gnus-summary-auto-select-subject)
4006 ;; Show first unread article if requested.
4007 (if (and (not no-article)
4009 gnus-newsgroup-unreads
4010 gnus-auto-select-first)
4012 (gnus-configure-windows 'summary)
4013 (let ((art (gnus-summary-article-number)))
4014 (unless (and (not gnus-plugged)
4015 (or (memq art gnus-newsgroup-undownloaded)
4016 (memq art gnus-newsgroup-downloadable)))
4017 (gnus-summary-goto-article art))))
4018 ;; Don't select any articles.
4019 (gnus-summary-position-point)
4020 (gnus-configure-windows 'summary 'force)
4021 (gnus-set-mode-line 'summary))
4022 (when (and gnus-auto-center-group
4023 (get-buffer-window gnus-group-buffer t))
4024 ;; Gotta use windows, because recenter does weird stuff if
4025 ;; the current buffer ain't the displayed window.
4026 (let ((owin (selected-window)))
4027 (select-window (get-buffer-window gnus-group-buffer t))
4028 (when (gnus-group-goto-group group)
4030 (select-window owin)))
4031 ;; Mark this buffer as "prepared".
4032 (setq gnus-newsgroup-prepared t)
4033 (gnus-run-hooks 'gnus-summary-prepared-hook)
4034 (unless (gnus-ephemeral-group-p group)
4035 (gnus-group-update-group group))
4038 (defun gnus-summary-auto-select-subject ()
4039 "Select the subject line on initial group entry."
4040 (goto-char (point-min))
4042 ((eq gnus-auto-select-subject 'best)
4043 (gnus-summary-best-unread-subject))
4044 ((eq gnus-auto-select-subject 'unread)
4045 (gnus-summary-first-unread-subject))
4046 ((eq gnus-auto-select-subject 'unseen)
4047 (gnus-summary-first-unseen-subject))
4048 ((eq gnus-auto-select-subject 'unseen-or-unread)
4049 (gnus-summary-first-unseen-or-unread-subject))
4050 ((eq gnus-auto-select-subject 'first)
4053 ((functionp gnus-auto-select-subject)
4054 (funcall gnus-auto-select-subject))))
4056 (defun gnus-summary-prepare ()
4057 "Generate the summary buffer."
4059 (let ((inhibit-read-only t))
4061 (setq gnus-newsgroup-data nil
4062 gnus-newsgroup-data-reverse nil)
4063 (gnus-run-hooks 'gnus-summary-generate-hook)
4064 ;; Generate the buffer, either with threads or without.
4065 (when gnus-newsgroup-headers
4066 (gnus-summary-prepare-threads
4067 (if gnus-show-threads
4068 (gnus-sort-gathered-threads
4069 (funcall gnus-summary-thread-gathering-function
4071 (gnus-cut-threads (gnus-make-threads)))))
4072 ;; Unthreaded display.
4073 (gnus-sort-articles gnus-newsgroup-headers))))
4074 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
4075 ;; Call hooks for modifying summary buffer.
4076 (goto-char (point-min))
4077 (gnus-run-hooks 'gnus-summary-prepare-hook)))
4079 (defsubst gnus-general-simplify-subject (subject)
4080 "Simplify subject by the same rules as `gnus-gather-threads-by-subject'."
4083 ;; Truncate the subject.
4084 (gnus-simplify-subject-functions
4085 (gnus-map-function gnus-simplify-subject-functions subject))
4086 ((numberp gnus-summary-gather-subject-limit)
4087 (setq subject (gnus-simplify-subject-re subject))
4088 (if (> (length subject) gnus-summary-gather-subject-limit)
4089 (substring subject 0 gnus-summary-gather-subject-limit)
4091 ;; Fuzzily simplify it.
4092 ((eq 'fuzzy gnus-summary-gather-subject-limit)
4093 (gnus-simplify-subject-fuzzy subject))
4094 ;; Just remove the leading "Re:".
4096 (gnus-simplify-subject-re subject))))
4098 (if (and gnus-summary-gather-exclude-subject
4099 (string-match gnus-summary-gather-exclude-subject subject))
4100 nil ; This article shouldn't be gathered
4103 (defun gnus-summary-simplify-subject-query ()
4104 "Query where the respool algorithm would put this article."
4106 (gnus-summary-select-article)
4107 (message "%s" (gnus-general-simplify-subject (gnus-summary-article-subject))))
4109 (defun gnus-gather-threads-by-subject (threads)
4110 "Gather threads by looking at Subject headers."
4111 (if (not gnus-summary-make-false-root)
4113 (let ((hashtb (gnus-make-hashtable 1024))
4116 subject hthread whole-subject)
4118 (setq subject (gnus-general-simplify-subject
4119 (setq whole-subject (mail-header-subject
4122 (if (setq hthread (gnus-gethash subject hashtb))
4124 ;; We enter a dummy root into the thread, if we
4125 ;; haven't done that already.
4126 (unless (stringp (caar hthread))
4127 (setcar hthread (list whole-subject (car hthread))))
4128 ;; We add this new gathered thread to this gathered
4130 (setcdr (car hthread)
4131 (nconc (cdar hthread) (list (car threads))))
4132 ;; Remove it from the list of threads.
4133 (setcdr prev (cdr threads))
4134 (setq threads prev))
4135 ;; Enter this thread into the hash table.
4136 (gnus-sethash subject
4137 (if gnus-summary-make-false-root-always
4139 ;; If you want a dummy root above all
4141 (setcar threads (list whole-subject
4147 (setq threads (cdr threads)))
4150 (defun gnus-gather-threads-by-references (threads)
4151 "Gather threads by looking at References headers."
4152 (let ((idhashtb (gnus-make-hashtable 1024))
4153 (thhashtb (gnus-make-hashtable 1024))
4156 ids references id gthread gid entered ref)
4158 (when (setq references (mail-header-references (caar threads)))
4159 (setq id (mail-header-id (caar threads))
4160 ids (inline (gnus-split-references references))
4162 (while (setq ref (pop ids))
4163 (setq ids (delete ref ids))
4164 (if (not (setq gid (gnus-gethash ref idhashtb)))
4166 (gnus-sethash ref id idhashtb)
4167 (gnus-sethash id threads thhashtb))
4168 (setq gthread (gnus-gethash gid thhashtb))
4170 ;; We enter a dummy root into the thread, if we
4171 ;; haven't done that already.
4172 (unless (stringp (caar gthread))
4173 (setcar gthread (list (mail-header-subject (caar gthread))
4175 ;; We add this new gathered thread to this gathered
4177 (setcdr (car gthread)
4178 (nconc (cdar gthread) (list (car threads)))))
4179 ;; Add it into the thread hash table.
4180 (gnus-sethash id gthread thhashtb)
4182 ;; Remove it from the list of threads.
4183 (setcdr prev (cdr threads))
4184 (setq threads prev))))
4186 (setq threads (cdr threads)))
4189 (defun gnus-sort-gathered-threads (threads)
4190 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
4191 (let ((result threads))
4193 (when (stringp (caar threads))
4194 (setcdr (car threads)
4195 (sort (cdar threads) gnus-sort-gathered-threads-function)))
4196 (setq threads (cdr threads)))
4199 (defun gnus-thread-loop-p (root thread)
4200 "Say whether ROOT is in THREAD."
4201 (let ((stack (list thread))
4204 (while (setq thread (pop stack))
4205 (setq th (cdr thread))
4207 (not (eq (caar th) root)))
4210 ;; We have found a loop.
4212 (setcdr thread (delq (car th) (cdr thread)))
4213 (if (boundp (setq ref-dep (intern "none"
4214 gnus-newsgroup-dependencies)))
4215 (setcdr (symbol-value ref-dep)
4216 (nconc (cdr (symbol-value ref-dep))
4218 (set ref-dep (list nil (car th))))
4221 ;; Push all the subthreads onto the stack.
4222 (push (cdr thread) stack)))
4225 (defun gnus-make-threads ()
4226 "Go through the dependency hashtb and find the roots. Return all threads."
4228 (while (catch 'infloop
4231 ;; Deal with self-referencing References loops.
4232 (when (and (car (symbol-value refs))
4239 (car (symbol-value refs)) thread))
4240 (cdr (symbol-value refs)))))))
4243 (unless (car (symbol-value refs))
4244 ;; These threads do not refer back to any other
4245 ;; articles, so they're roots.
4246 (setq threads (append (cdr (symbol-value refs)) threads))))
4247 gnus-newsgroup-dependencies)))
4250 ;; Build the thread tree.
4251 (defsubst gnus-dependencies-add-header (header dependencies force-new)
4252 "Enter HEADER into the DEPENDENCIES table if it is not already there.
4254 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
4255 if it was already present.
4257 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
4258 will not be entered in the DEPENDENCIES table. Otherwise duplicate
4259 Message-IDs will be renamed to a unique Message-ID before being
4262 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
4263 (let* ((id (mail-header-id header))
4264 (id-dep (and id (intern id dependencies)))
4265 parent-id ref ref-dep ref-header replaced)
4266 ;; Enter this `header' in the `dependencies' table.
4270 ;; The first two cases do the normal part: enter a new `header'
4271 ;; in the `dependencies' table.
4272 ((not (boundp id-dep))
4273 (set id-dep (list header)))
4274 ((null (car (symbol-value id-dep)))
4275 (setcar (symbol-value id-dep) header))
4277 ;; From here the `header' was already present in the
4278 ;; `dependencies' table.
4280 ;; Overrides an existing entry;
4281 ;; just set the header part of the entry.
4282 (setcar (symbol-value id-dep) header)
4285 ;; Renames the existing `header' to a unique Message-ID.
4286 ((not gnus-summary-ignore-duplicates)
4287 ;; An article with this Message-ID has already been seen.
4288 ;; We rename the Message-ID.
4289 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
4291 (mail-header-set-id header id))
4293 ;; The last case ignores an existing entry, except it adds any
4294 ;; additional Xrefs (in case the two articles came from different
4296 ;; Also sets `header' to `nil' meaning that the `dependencies'
4297 ;; table was *not* modified.
4299 (mail-header-set-xref
4300 (car (symbol-value id-dep))
4301 (concat (or (mail-header-xref (car (symbol-value id-dep)))
4303 (or (mail-header-xref header) "")))
4306 (when (and header (not replaced))
4307 ;; First check that we are not creating a References loop.
4308 (setq parent-id (gnus-parent-id (mail-header-references header)))
4309 (setq ref parent-id)
4311 (setq ref-dep (intern-soft ref dependencies))
4313 (setq ref-header (car (symbol-value ref-dep))))
4314 (if (string= id ref)
4315 ;; Yuk! This is a reference loop. Make the article be a
4318 (mail-header-set-references (car (symbol-value id-dep)) "none")
4320 (setq parent-id nil))
4321 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
4322 (setq ref-dep (intern (or parent-id "none") dependencies))
4323 (if (boundp ref-dep)
4324 (setcdr (symbol-value ref-dep)
4325 (nconc (cdr (symbol-value ref-dep))
4326 (list (symbol-value id-dep))))
4327 (set ref-dep (list nil (symbol-value id-dep)))))
4330 (defun gnus-extract-message-id-from-in-reply-to (string)
4331 (if (string-match "<[^>]+>" string)
4332 (substring string (match-beginning 0) (match-end 0))
4335 (defun gnus-build-sparse-threads ()
4336 (let ((headers gnus-newsgroup-headers)
4337 (mail-parse-charset gnus-newsgroup-charset)
4338 (gnus-summary-ignore-duplicates t)
4339 header references generation relations
4340 subject child end new-child date)
4341 ;; First we create an alist of generations/relations, where
4342 ;; generations is how much we trust the relation, and the relation
4344 (gnus-message 7 "Making sparse threads...")
4346 (nnheader-set-temp-buffer " *gnus sparse threads*")
4347 (while (setq header (pop headers))
4348 (when (and (setq references (mail-header-references header))
4349 (not (string= references "")))
4351 (setq child (mail-header-id header)
4352 subject (mail-header-subject header)
4353 date (mail-header-date header)
4355 (while (search-backward ">" nil t)
4356 (setq end (1+ (point)))
4357 (when (search-backward "<" nil t)
4358 (setq new-child (buffer-substring (point) end))
4359 (push (list (incf generation)
4360 child (setq child new-child)
4364 (push (list (1+ generation) child nil subject) relations))
4366 (kill-buffer (current-buffer)))
4367 ;; Sort over trustworthiness.
4368 (dolist (relation (sort relations 'car-less-than-car))
4369 (when (gnus-dependencies-add-header
4370 (make-full-mail-header
4371 gnus-reffed-article-number
4372 (nth 3 relation) "" (or (nth 4 relation) "")
4374 (or (nth 2 relation) "") 0 0 "")
4375 gnus-newsgroup-dependencies nil)
4376 (push gnus-reffed-article-number gnus-newsgroup-limit)
4377 (push gnus-reffed-article-number gnus-newsgroup-sparse)
4378 (push (cons gnus-reffed-article-number gnus-sparse-mark)
4379 gnus-newsgroup-reads)
4380 (decf gnus-reffed-article-number)))
4381 (gnus-message 7 "Making sparse threads...done")))
4383 (defun gnus-build-old-threads ()
4384 ;; Look at all the articles that refer back to old articles, and
4385 ;; fetch the headers for the articles that aren't there. This will
4386 ;; build complete threads - if the roots haven't been expired by the
4388 (let ((mail-parse-charset gnus-newsgroup-charset)
4392 (when (not (car (symbol-value refs)))
4393 (setq heads (cdr (symbol-value refs)))
4395 (if (memq (mail-header-number (caar heads))
4396 gnus-newsgroup-dormant)
4397 (setq heads (cdr heads))
4398 (setq id (symbol-name refs))
4399 (while (and (setq id (gnus-build-get-header id))
4400 (not (car (gnus-id-to-thread id)))))
4401 (setq heads nil)))))
4402 gnus-newsgroup-dependencies)))
4404 (defsubst gnus-remove-odd-characters (string)
4405 "Translate STRING into something that doesn't contain weird characters."
4406 (mm-subst-char-in-string
4408 (mm-subst-char-in-string ?\n ?\- string t) t))
4410 ;; This function has to be called with point after the article number
4411 ;; on the beginning of the line.
4412 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
4413 (let ((eol (point-at-eol))
4414 (buffer (current-buffer))
4415 header references in-reply-to)
4417 ;; overview: [num subject from date id refs chars lines misc]
4420 (narrow-to-region (point) eol)
4425 (make-full-mail-header
4427 (condition-case () ; subject
4428 (gnus-remove-odd-characters
4429 (funcall gnus-decode-encoded-word-function
4430 (setq x (nnheader-nov-field))))
4432 (condition-case () ; from
4433 (gnus-remove-odd-characters
4434 (funcall gnus-decode-encoded-address-function
4435 (setq x (nnheader-nov-field))))
4437 (nnheader-nov-field) ; date
4438 (nnheader-nov-read-message-id number) ; id
4439 (setq references (nnheader-nov-field)) ; refs
4440 (nnheader-nov-read-integer) ; chars
4441 (nnheader-nov-read-integer) ; lines
4443 (if (looking-at "Xref: ")
4444 (goto-char (match-end 0)))
4445 (nnheader-nov-field)) ; Xref
4446 (nnheader-nov-parse-extra)))) ; extra
4450 (when (and (string= references "")
4451 (setq in-reply-to (mail-header-extra header))
4452 (setq in-reply-to (cdr (assq 'In-Reply-To in-reply-to))))
4453 (mail-header-set-references
4454 header (gnus-extract-message-id-from-in-reply-to in-reply-to)))
4456 (when gnus-alter-header-function
4457 (funcall gnus-alter-header-function header))
4458 (gnus-dependencies-add-header header dependencies force-new)))
4460 (defun gnus-build-get-header (id)
4461 "Look through the buffer of NOV lines and find the header to ID.
4462 Enter this line into the dependencies hash table, and return
4463 the id of the parent article (if any)."
4464 (let ((deps gnus-newsgroup-dependencies)
4467 (with-current-buffer nntp-server-buffer
4468 (let ((case-fold-search nil))
4469 (goto-char (point-min))
4470 (while (and (not found)
4471 (search-forward id nil t))
4473 (setq found (looking-at
4474 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
4475 (regexp-quote id))))
4476 (or found (beginning-of-line 2)))
4480 (setq header (gnus-nov-parse-line
4481 (read (current-buffer)) deps))
4482 (gnus-parent-id (mail-header-references header))))))
4484 (let ((number (mail-header-number header)))
4485 (push number gnus-newsgroup-limit)
4486 (push header gnus-newsgroup-headers)
4487 (if (memq number gnus-newsgroup-unselected)
4489 (setq gnus-newsgroup-unreads
4490 (gnus-add-to-sorted-list gnus-newsgroup-unreads
4492 (setq gnus-newsgroup-unselected
4493 (delq number gnus-newsgroup-unselected)))
4494 (push number gnus-newsgroup-ancient)))))))
4496 (defun gnus-build-all-threads ()
4497 "Read all the headers."
4498 (let ((gnus-summary-ignore-duplicates t)
4499 (mail-parse-charset gnus-newsgroup-charset)
4500 (dependencies gnus-newsgroup-dependencies)
4502 (with-current-buffer nntp-server-buffer
4503 (let ((case-fold-search nil))
4504 (goto-char (point-min))
4507 (setq article (read (current-buffer))
4508 header (gnus-nov-parse-line article dependencies)))
4510 (with-current-buffer gnus-summary-buffer
4511 (push header gnus-newsgroup-headers)
4512 (if (memq (setq article (mail-header-number header))
4513 gnus-newsgroup-unselected)
4515 (setq gnus-newsgroup-unreads
4516 (gnus-add-to-sorted-list
4517 gnus-newsgroup-unreads article))
4518 (setq gnus-newsgroup-unselected
4519 (delq article gnus-newsgroup-unselected)))
4520 (push article gnus-newsgroup-ancient)))
4521 (forward-line 1)))))))
4523 (defun gnus-summary-update-article-line (article header)
4524 "Update the line for ARTICLE using HEADER."
4525 (let* ((id (mail-header-id header))
4526 (thread (gnus-id-to-thread id)))
4528 (error "Article in no thread"))
4529 ;; Update the thread.
4530 (setcar thread header)
4531 (gnus-summary-goto-subject article)
4532 (let* ((datal (gnus-data-find-list article))
4534 (inhibit-read-only t)
4535 (level (gnus-summary-thread-level)))
4537 (let ((inserted (- (point)
4539 (gnus-summary-insert-line
4541 (memq article gnus-newsgroup-undownloaded)
4542 (gnus-article-mark article)
4543 (memq article gnus-newsgroup-replied)
4544 (memq article gnus-newsgroup-expirable)
4545 ;; Only insert the Subject string when it's different
4546 ;; from the previous Subject string.
4551 (mail-header-subject
4554 (gnus-data-find-list
4556 (gnus-data-list t)))))
4557 ;; Error on the side of excessive subjects.
4559 (mail-header-subject header)))
4561 (mail-header-subject header))
4562 nil (cdr (assq article gnus-newsgroup-scored))
4563 (memq article gnus-newsgroup-processable))
4566 (gnus-data-update-list
4568 (- (gnus-data-pos data) (gnus-data-pos (cadr datal)) inserted)))))))
4570 (defun gnus-summary-update-article (article &optional iheader)
4571 "Update ARTICLE in the summary buffer."
4572 (set-buffer gnus-summary-buffer)
4573 (let* ((header (gnus-summary-article-header article))
4574 (id (mail-header-id header))
4575 (data (gnus-data-find article))
4576 (thread (gnus-id-to-thread id))
4577 (references (mail-header-references header))
4581 (when (and references
4582 (not (equal "" references)))
4585 (inhibit-read-only t)
4591 (delq thread parent)))
4592 (if (gnus-summary-insert-subject id header)
4593 ;; Set the (possibly) new article number in the data structure.
4594 (gnus-data-set-number data (gnus-id-to-article id))
4598 (defun gnus-rebuild-thread (id &optional line)
4599 "Rebuild the thread containing ID.
4600 If LINE, insert the rebuilt thread starting on line LINE."
4601 (let ((inhibit-read-only t)
4602 old-pos current thread data)
4603 (if (not gnus-show-threads)
4604 (setq thread (list (car (gnus-id-to-thread id))))
4605 ;; Get the thread this article is part of.
4606 (setq thread (gnus-remove-thread id)))
4607 (setq old-pos (point-at-bol))
4608 (setq current (save-excursion
4609 (and (re-search-backward "[\r\n]" nil t)
4610 (gnus-summary-article-number))))
4611 ;; If this is a gathered thread, we have to go some re-gathering.
4612 (when (stringp (car thread))
4613 (let ((subject (car thread))
4615 (setq thread (cdr thread))
4617 (unless (memq (setq thr (gnus-id-to-thread
4619 (mail-header-id (caar thread)))))
4622 (setq thread (cdr thread)))
4623 ;; We now have all (unique) roots.
4624 (if (= (length roots) 1)
4625 ;; All the loose roots are now one solid root.
4626 (setq thread (car roots))
4627 (setq thread (cons subject (gnus-sort-threads roots))))))
4629 ;; We then insert this thread into the summary buffer.
4631 (goto-char (point-min))
4632 (forward-line (1- line)))
4633 (let (gnus-newsgroup-data gnus-newsgroup-threads)
4634 (if gnus-show-threads
4635 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
4636 (gnus-summary-prepare-unthreaded thread))
4637 (setq data (nreverse gnus-newsgroup-data))
4638 (setq threads gnus-newsgroup-threads))
4639 ;; We splice the new data into the data structure.
4640 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
4641 ;;!!! then we want to insert at the beginning of the buffer.
4642 ;;!!! That happens to be true with Gnus now, but that may
4643 ;;!!! change in the future. Perhaps.
4644 (gnus-data-enter-list
4645 (if line nil current) data (- (point) old-pos))
4646 (setq gnus-newsgroup-threads
4647 (nconc threads gnus-newsgroup-threads))
4648 (gnus-data-compute-positions))))
4650 (defun gnus-number-to-header (number)
4651 "Return the header for article NUMBER."
4652 (let ((headers gnus-newsgroup-headers))
4654 (not (= number (mail-header-number (car headers)))))
4659 (defun gnus-parent-headers (in-headers &optional generation)
4660 "Return the headers of the GENERATIONeth parent of HEADERS."
4662 (setq generation 1))
4664 (headers in-headers)
4667 (not (zerop generation))
4668 (setq references (mail-header-references headers)))
4669 (setq headers (if (and references
4670 (setq parent (gnus-parent-id references)))
4671 (car (gnus-id-to-thread parent))
4674 (and (not (eq headers in-headers))
4677 (defun gnus-id-to-thread (id)
4678 "Return the (sub-)thread where ID appears."
4679 (gnus-gethash id gnus-newsgroup-dependencies))
4681 (defun gnus-id-to-article (id)
4682 "Return the article number of ID."
4683 (let ((thread (gnus-id-to-thread id)))
4686 (mail-header-number (car thread)))))
4688 (defun gnus-id-to-header (id)
4689 "Return the article headers of ID."
4690 (car (gnus-id-to-thread id)))
4692 (defun gnus-article-displayed-root-p (article)
4693 "Say whether ARTICLE is a root(ish) article."
4694 (let ((level (gnus-summary-thread-level article))
4695 (refs (mail-header-references (gnus-summary-article-header article)))
4701 ((null (gnus-parent-id refs)) t)
4703 (null (setq particle (gnus-id-to-article
4704 (gnus-parent-id refs))))
4705 (null (gnus-summary-thread-level particle)))))))
4707 (defun gnus-root-id (id)
4708 "Return the id of the root of the thread where ID appears."
4710 (while (and id (setq prev (car (gnus-id-to-thread id))))
4712 id (gnus-parent-id (mail-header-references prev))))
4715 (defun gnus-articles-in-thread (thread)
4716 "Return the list of articles in THREAD."
4717 (cons (mail-header-number (car thread))
4718 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
4720 (defun gnus-remove-thread (id &optional dont-remove)
4721 "Remove the thread that has ID in it."
4722 (let (headers thread last-id)
4723 ;; First go up in this thread until we find the root.
4724 (setq last-id (gnus-root-id id)
4725 headers (message-flatten-list (gnus-id-to-thread last-id)))
4726 ;; We have now found the real root of this thread. It might have
4727 ;; been gathered into some loose thread, so we have to search
4728 ;; through the threads to find the thread we wanted.
4729 (let ((threads gnus-newsgroup-threads)
4732 (setq sub (car threads))
4733 (if (stringp (car sub))
4734 ;; This is a gathered thread, so we look at the roots
4735 ;; below it to find whether this article is in this
4738 (setq sub (cdr sub))
4740 (when (member (caar sub) headers)
4741 (setq thread (car threads)
4744 (setq sub (cdr sub))))
4745 ;; It's an ordinary thread, so we check it.
4746 (when (eq (car sub) (car headers))
4749 (setq threads (cdr threads)))
4750 ;; If this article is in no thread, then it's a root.
4753 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
4754 (setq thread (gnus-id-to-thread last-id)))
4757 thread ; We return this thread.
4759 (if (stringp (car thread))
4761 ;; If we use dummy roots, then we have to remove the
4762 ;; dummy root as well.
4763 (when (eq gnus-summary-make-false-root 'dummy)
4764 ;; We go to the dummy root by going to
4765 ;; the first sub-"thread", and then one line up.
4766 (gnus-summary-goto-article
4767 (mail-header-number (caadr thread)))
4770 (gnus-data-compute-positions))
4771 (setq thread (cdr thread))
4773 (gnus-remove-thread-1 (car thread))
4774 (setq thread (cdr thread))))
4775 (gnus-remove-thread-1 thread))))))))
4777 (defun gnus-remove-thread-1 (thread)
4778 "Remove the thread THREAD recursively."
4779 (let ((number (mail-header-number (pop thread)))
4781 (setq thread (reverse thread))
4783 (gnus-remove-thread-1 (pop thread)))
4784 (when (setq d (gnus-data-find number))
4785 (goto-char (gnus-data-pos d))
4786 (gnus-summary-show-thread)
4792 (gnus-delete-line)))))))
4794 (defun gnus-sort-threads-recursive (threads func)
4795 (sort (mapcar (lambda (thread)
4798 (gnus-sort-threads-recursive (cdr thread) func))))
4801 (defun gnus-sort-threads-loop (threads func)
4802 (let* ((superthread (cons nil threads))
4803 (stack (list (cons superthread threads)))
4804 remaining-threads thread)
4806 (setq remaining-threads (cdr (car stack)))
4807 (if remaining-threads
4808 (progn (setq thread (car remaining-threads))
4809 (setcdr (car stack) (cdr remaining-threads))
4811 (push (cons thread (cdr thread)) stack)))
4812 (setq thread (caar stack))
4813 (setcdr thread (sort (cdr thread) func))
4817 (defun gnus-sort-threads (threads)
4819 (if (not gnus-thread-sort-functions)
4821 (gnus-message 8 "Sorting threads...")
4824 (let ((max-lisp-eval-depth (max max-lisp-eval-depth 5000)))
4825 (gnus-sort-threads-recursive
4826 threads (gnus-make-sort-function gnus-thread-sort-functions)))
4827 ;; Even after binding max-lisp-eval-depth, the recursive
4828 ;; sorter might fail for very long threads. In that case,
4829 ;; try using a (less well-tested) non-recursive sorter.
4830 (error (gnus-sort-threads-loop
4831 threads (gnus-make-sort-function
4832 gnus-thread-sort-functions))))
4833 (gnus-message 8 "Sorting threads...done"))))
4835 (defun gnus-sort-articles (articles)
4837 (when gnus-article-sort-functions
4838 (gnus-message 7 "Sorting articles...")
4840 (setq gnus-newsgroup-headers
4841 (sort articles (gnus-make-sort-function
4842 gnus-article-sort-functions)))
4843 (gnus-message 7 "Sorting articles...done"))))
4845 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
4846 (defmacro gnus-thread-header (thread)
4847 "Return header of first article in THREAD.
4848 Note that THREAD must never, ever be anything else than a variable -
4849 using some other form will lead to serious barfage."
4850 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
4851 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
4852 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
4855 (defsubst gnus-article-sort-by-number (h1 h2)
4856 "Sort articles by article number."
4857 (< (mail-header-number h1)
4858 (mail-header-number h2)))
4860 (defun gnus-thread-sort-by-number (h1 h2)
4861 "Sort threads by root article number."
4862 (gnus-article-sort-by-number
4863 (gnus-thread-header h1) (gnus-thread-header h2)))
4865 (defsubst gnus-article-sort-by-random (h1 h2)
4866 "Sort articles randomly."
4869 (defun gnus-thread-sort-by-random (h1 h2)
4870 "Sort threads randomly."
4871 (gnus-article-sort-by-random
4872 (gnus-thread-header h1) (gnus-thread-header h2)))
4874 (defsubst gnus-article-sort-by-lines (h1 h2)
4875 "Sort articles by article Lines header."
4876 (< (mail-header-lines h1)
4877 (mail-header-lines h2)))
4879 (defun gnus-thread-sort-by-lines (h1 h2)
4880 "Sort threads by root article Lines header."
4881 (gnus-article-sort-by-lines
4882 (gnus-thread-header h1) (gnus-thread-header h2)))
4884 (defsubst gnus-article-sort-by-chars (h1 h2)
4885 "Sort articles by octet length."
4886 (< (mail-header-chars h1)
4887 (mail-header-chars h2)))
4889 (defun gnus-thread-sort-by-chars (h1 h2)
4890 "Sort threads by root article octet length."
4891 (gnus-article-sort-by-chars
4892 (gnus-thread-header h1) (gnus-thread-header h2)))
4894 (defsubst gnus-article-sort-by-author (h1 h2)
4895 "Sort articles by root author."
4897 (let ((extract (funcall
4898 gnus-extract-address-components
4899 (mail-header-from h1))))
4900 (or (car extract) (cadr extract) ""))
4901 (let ((extract (funcall
4902 gnus-extract-address-components
4903 (mail-header-from h2))))
4904 (or (car extract) (cadr extract) ""))))
4906 (defun gnus-thread-sort-by-author (h1 h2)
4907 "Sort threads by root author."
4908 (gnus-article-sort-by-author
4909 (gnus-thread-header h1) (gnus-thread-header h2)))
4911 (defsubst gnus-article-sort-by-recipient (h1 h2)
4912 "Sort articles by recipient."
4914 (let ((extract (funcall
4915 gnus-extract-address-components
4916 (or (cdr (assq 'To (mail-header-extra h1))) ""))))
4917 (or (car extract) (cadr extract)))
4918 (let ((extract (funcall
4919 gnus-extract-address-components
4920 (or (cdr (assq 'To (mail-header-extra h2))) ""))))
4921 (or (car extract) (cadr extract)))))
4923 (defun gnus-thread-sort-by-recipient (h1 h2)
4924 "Sort threads by root recipient."
4925 (gnus-article-sort-by-recipient
4926 (gnus-thread-header h1) (gnus-thread-header h2)))
4928 (defsubst gnus-article-sort-by-subject (h1 h2)
4929 "Sort articles by root subject."
4931 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
4932 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
4934 (defun gnus-thread-sort-by-subject (h1 h2)
4935 "Sort threads by root subject."
4936 (gnus-article-sort-by-subject
4937 (gnus-thread-header h1) (gnus-thread-header h2)))
4939 (defsubst gnus-article-sort-by-date (h1 h2)
4940 "Sort articles by root article date."
4942 (gnus-date-get-time (mail-header-date h1))
4943 (gnus-date-get-time (mail-header-date h2))))
4945 (defun gnus-thread-sort-by-date (h1 h2)
4946 "Sort threads by root article date."
4947 (gnus-article-sort-by-date
4948 (gnus-thread-header h1) (gnus-thread-header h2)))
4950 (defsubst gnus-article-sort-by-score (h1 h2)
4951 "Sort articles by root article score.
4952 Unscored articles will be counted as having a score of zero."
4953 (> (or (cdr (assq (mail-header-number h1)
4954 gnus-newsgroup-scored))
4955 gnus-summary-default-score 0)
4956 (or (cdr (assq (mail-header-number h2)
4957 gnus-newsgroup-scored))
4958 gnus-summary-default-score 0)))
4960 (defun gnus-thread-sort-by-score (h1 h2)
4961 "Sort threads by root article score."
4962 (gnus-article-sort-by-score
4963 (gnus-thread-header h1) (gnus-thread-header h2)))
4965 (defun gnus-thread-sort-by-total-score (h1 h2)
4966 "Sort threads by the sum of all scores in the thread.
4967 Unscored articles will be counted as having a score of zero."
4968 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
4970 (defun gnus-thread-total-score (thread)
4971 ;; This function find the total score of THREAD.
4976 (if (stringp (car thread))
4977 (apply gnus-thread-score-function 0
4978 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
4979 (gnus-thread-total-score-1 thread)))
4981 (gnus-thread-total-score-1 (list thread)))))
4983 (defun gnus-thread-sort-by-most-recent-number (h1 h2)
4984 "Sort threads such that the thread with the most recently arrived article comes first."
4985 (> (gnus-thread-highest-number h1) (gnus-thread-highest-number h2)))
4987 (defun gnus-thread-highest-number (thread)
4988 "Return the highest article number in THREAD."
4989 (apply 'max (mapcar (lambda (header)
4990 (mail-header-number header))
4991 (message-flatten-list thread))))
4993 (defun gnus-thread-sort-by-most-recent-date (h1 h2)
4994 "Sort threads such that the thread with the most recently dated article comes first."
4995 (> (gnus-thread-latest-date h1) (gnus-thread-latest-date h2)))
4997 (defun gnus-thread-latest-date (thread)
4998 "Return the highest article date in THREAD."
4999 (let ((previous-time 0))
5005 (time-to-seconds (mail-header-parse-date
5006 (mail-header-date header)))
5007 (error previous-time))))
5009 (message-flatten-list thread)
5011 (< (mail-header-number h1)
5012 (mail-header-number h2))))))))
5014 (defun gnus-thread-total-score-1 (root)
5015 ;; This function find the total score of the thread below ROOT.
5016 (setq root (car root))
5017 (apply gnus-thread-score-function
5019 (mapcar 'gnus-thread-total-score
5020 (cdr (gnus-id-to-thread (mail-header-id root))))
5021 (when (> (mail-header-number root) 0)
5022 (list (or (cdr (assq (mail-header-number root)
5023 gnus-newsgroup-scored))
5024 gnus-summary-default-score 0))))
5025 (list gnus-summary-default-score)
5028 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
5029 (defvar gnus-tmp-prev-subject nil)
5030 (defvar gnus-tmp-false-parent nil)
5031 (defvar gnus-tmp-root-expunged nil)
5032 (defvar gnus-tmp-dummy-line nil)
5034 (defun gnus-extra-header (type &optional header)
5035 "Return the extra header of TYPE."
5036 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
5039 (defvar gnus-tmp-thread-tree-header-string "")
5041 (defcustom gnus-sum-thread-tree-root "> "
5042 "With %B spec, used for the root of a thread.
5043 If nil, use subject instead."
5045 :type '(radio (const :format "%v " nil) string)
5046 :group 'gnus-thread)
5048 (defcustom gnus-sum-thread-tree-false-root "> "
5049 "With %B spec, used for a false root of a thread.
5050 If nil, use subject instead."
5052 :type '(radio (const :format "%v " nil) string)
5053 :group 'gnus-thread)
5055 (defcustom gnus-sum-thread-tree-single-indent ""
5056 "With %B spec, used for a thread with just one message.
5057 If nil, use subject instead."
5059 :type '(radio (const :format "%v " nil) string)
5060 :group 'gnus-thread)
5062 (defcustom gnus-sum-thread-tree-vertical "| "
5063 "With %B spec, used for drawing a vertical line."
5066 :group 'gnus-thread)
5068 (defcustom gnus-sum-thread-tree-indent " "
5069 "With %B spec, used for indenting."
5072 :group 'gnus-thread)
5074 (defcustom gnus-sum-thread-tree-leaf-with-other "+-> "
5075 "With %B spec, used for a leaf with brothers."
5078 :group 'gnus-thread)
5080 (defcustom gnus-sum-thread-tree-single-leaf "\\-> "
5081 "With %B spec, used for a leaf without brothers."
5084 :group 'gnus-thread)
5086 (defcustom gnus-summary-display-while-building nil
5087 "If non-nil, show and update the summary buffer as it's being built.
5088 If the value is t, update the buffer after every line is inserted. If
5089 the value is an integer (N), update the display every N lines."
5092 :type '(choice (const :tag "off" nil)
5094 (const :tag "frequently" t)))
5096 (defun gnus-summary-prepare-threads (threads)
5097 "Prepare summary buffer from THREADS and indentation LEVEL.
5098 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
5099 or a straight list of headers."
5100 (gnus-message 7 "Generating summary...")
5102 (setq gnus-newsgroup-threads threads)
5105 (let ((gnus-tmp-level 0)
5106 (default-score (or gnus-summary-default-score 0))
5107 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
5108 (building-line-count gnus-summary-display-while-building)
5109 (building-count (integerp gnus-summary-display-while-building))
5110 thread number subject stack state gnus-tmp-gathered beg-match
5111 new-roots gnus-tmp-new-adopts thread-end simp-subject
5112 gnus-tmp-header gnus-tmp-unread gnus-tmp-downloaded
5113 gnus-tmp-replied gnus-tmp-subject-or-nil
5114 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
5115 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
5116 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket
5119 (setq gnus-tmp-prev-subject nil
5120 gnus-tmp-thread-tree-header-string "")
5122 (if (vectorp (car threads))
5123 ;; If this is a straight (sic) list of headers, then a
5124 ;; threaded summary display isn't required, so we just create
5125 ;; an unthreaded one.
5126 (gnus-summary-prepare-unthreaded threads)
5128 ;; Do the threaded display.
5130 (if gnus-summary-display-while-building
5131 (switch-to-buffer (buffer-name)))
5132 (while (or threads stack gnus-tmp-new-adopts new-roots)
5134 (if (and (= gnus-tmp-level 0)
5137 (not gnus-tmp-false-parent)
5138 (or gnus-tmp-new-adopts new-roots))
5139 (if gnus-tmp-new-adopts
5140 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
5141 thread (list (car gnus-tmp-new-adopts))
5142 gnus-tmp-header (caar thread)
5143 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
5145 (setq thread (list (car new-roots))
5146 gnus-tmp-header (caar thread)
5147 new-roots (cdr new-roots))))
5150 ;; If there are some threads, we do them before the
5151 ;; threads on the stack.
5152 (setq thread threads
5153 gnus-tmp-header (caar thread))
5154 ;; There were no current threads, so we pop something off
5156 (setq state (car stack)
5157 gnus-tmp-level (car state)
5158 tree-stack (cadr state)
5159 thread (caddr state)
5161 gnus-tmp-header (caar thread))))
5163 (setq gnus-tmp-false-parent nil)
5164 (setq gnus-tmp-root-expunged nil)
5165 (setq thread-end nil)
5167 (if (stringp gnus-tmp-header)
5168 ;; The header is a dummy root.
5170 ((eq gnus-summary-make-false-root 'adopt)
5171 ;; We let the first article adopt the rest.
5172 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
5174 (setq gnus-tmp-gathered
5176 (lambda (h) (mail-header-number (car h)))
5179 (setq thread (cons (list (caar thread)
5182 (setq gnus-tmp-level -1
5183 gnus-tmp-false-parent t))
5184 ((eq gnus-summary-make-false-root 'empty)
5185 ;; We print adopted articles with empty subject fields.
5186 (setq gnus-tmp-gathered
5188 (lambda (h) (mail-header-number (car h)))
5191 (setq gnus-tmp-level -1))
5192 ((eq gnus-summary-make-false-root 'dummy)
5193 ;; We remember that we probably want to output a dummy
5195 (setq gnus-tmp-dummy-line gnus-tmp-header)
5196 (setq gnus-tmp-prev-subject gnus-tmp-header))
5198 ;; We do not make a root for the gathered
5199 ;; sub-threads at all.
5200 (setq gnus-tmp-level -1)))
5202 (setq number (mail-header-number gnus-tmp-header)
5203 subject (mail-header-subject gnus-tmp-header)
5204 simp-subject (gnus-simplify-subject-fully subject))
5207 ;; If the thread has changed subject, we might want to make
5208 ;; this subthread into a root.
5209 ((and (null gnus-thread-ignore-subject)
5210 (not (zerop gnus-tmp-level))
5211 gnus-tmp-prev-subject
5212 (not (string= gnus-tmp-prev-subject simp-subject)))
5213 (setq new-roots (nconc new-roots (list (car thread)))
5215 gnus-tmp-header nil))
5216 ;; If the article lies outside the current limit,
5217 ;; then we do not display it.
5218 ((not (memq number gnus-newsgroup-limit))
5219 (setq gnus-tmp-gathered
5221 (lambda (h) (mail-header-number (car h)))
5224 (setq gnus-tmp-new-adopts (if (cdar thread)
5225 (append gnus-tmp-new-adopts
5227 gnus-tmp-new-adopts)
5229 gnus-tmp-header nil)
5230 (when (zerop gnus-tmp-level)
5231 (setq gnus-tmp-root-expunged t)))
5232 ;; Perhaps this article is to be marked as read?
5233 ((and gnus-summary-mark-below
5234 (< (or (cdr (assq number gnus-newsgroup-scored))
5236 gnus-summary-mark-below)
5237 ;; Don't touch sparse articles.
5238 (not (gnus-summary-article-sparse-p number))
5239 (not (gnus-summary-article-ancient-p number)))
5240 (setq gnus-newsgroup-unreads
5241 (delq number gnus-newsgroup-unreads))
5242 (if gnus-newsgroup-auto-expire
5243 (setq gnus-newsgroup-expirable
5244 (gnus-add-to-sorted-list
5245 gnus-newsgroup-expirable number))
5246 (push (cons number gnus-low-score-mark)
5247 gnus-newsgroup-reads))))
5249 (when gnus-tmp-header
5250 ;; We may have an old dummy line to output before this
5252 (when (and gnus-tmp-dummy-line
5255 (mail-header-subject gnus-tmp-header)))
5256 (gnus-summary-insert-dummy-line
5257 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
5258 (setq gnus-tmp-dummy-line nil))
5260 ;; Compute the mark.
5261 (setq gnus-tmp-unread (gnus-article-mark number))
5263 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
5264 gnus-tmp-header gnus-tmp-level)
5265 gnus-newsgroup-data)
5267 ;; Actually insert the line.
5269 gnus-tmp-subject-or-nil
5271 ((and gnus-thread-ignore-subject
5272 gnus-tmp-prev-subject
5273 (not (string= gnus-tmp-prev-subject simp-subject)))
5275 ((zerop gnus-tmp-level)
5276 (if (and (eq gnus-summary-make-false-root 'empty)
5277 (memq number gnus-tmp-gathered)
5278 gnus-tmp-prev-subject
5279 (string= gnus-tmp-prev-subject simp-subject))
5280 gnus-summary-same-subject
5282 (t gnus-summary-same-subject)))
5283 (if (and (eq gnus-summary-make-false-root 'adopt)
5284 (= gnus-tmp-level 1)
5285 (memq number gnus-tmp-gathered))
5286 (setq gnus-tmp-opening-bracket ?\<
5287 gnus-tmp-closing-bracket ?\>)
5288 (setq gnus-tmp-opening-bracket ?\[
5289 gnus-tmp-closing-bracket ?\]))
5290 (if (>= gnus-tmp-level (length gnus-thread-indent-array))
5291 (gnus-make-thread-indent-array
5292 (max (* 2 (length gnus-thread-indent-array))
5295 gnus-tmp-indentation
5296 (aref gnus-thread-indent-array gnus-tmp-level)
5297 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
5298 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
5299 gnus-summary-default-score 0)
5301 (if (or (null gnus-summary-default-score)
5302 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
5303 gnus-summary-zcore-fuzz))
5305 (if (< gnus-tmp-score gnus-summary-default-score)
5306 gnus-score-below-mark gnus-score-over-mark))
5308 (cond ((memq number gnus-newsgroup-processable)
5310 ((memq number gnus-newsgroup-cached)
5312 ((memq number gnus-newsgroup-replied)
5314 ((memq number gnus-newsgroup-forwarded)
5315 gnus-forwarded-mark)
5316 ((memq number gnus-newsgroup-saved)
5318 ((memq number gnus-newsgroup-recent)
5320 ((memq number gnus-newsgroup-unseen)
5324 (cond ((memq number gnus-newsgroup-undownloaded)
5325 gnus-undownloaded-mark)
5326 (gnus-newsgroup-agentized
5327 gnus-downloaded-mark)
5330 gnus-tmp-from (mail-header-from gnus-tmp-header)
5333 ((string-match "<[^>]+> *$" gnus-tmp-from)
5334 (setq beg-match (match-beginning 0))
5335 (or (and (string-match "^\".+\"" gnus-tmp-from)
5336 (substring gnus-tmp-from 1 (1- (match-end 0))))
5337 (substring gnus-tmp-from 0 beg-match)))
5338 ((string-match "(.+)" gnus-tmp-from)
5339 (substring gnus-tmp-from
5340 (1+ (match-beginning 0)) (1- (match-end 0))))
5344 gnus-tmp-thread-tree-header-string
5346 ((not gnus-show-threads) "")
5347 ((zerop gnus-tmp-level)
5348 (cond ((cdar thread)
5349 (or gnus-sum-thread-tree-root subject))
5350 (gnus-tmp-new-adopts
5351 (or gnus-sum-thread-tree-false-root subject))
5353 (or gnus-sum-thread-tree-single-indent subject))))
5355 (concat (apply 'concat
5356 (mapcar (lambda (item)
5358 gnus-sum-thread-tree-vertical
5359 gnus-sum-thread-tree-indent))
5360 (cdr (reverse tree-stack))))
5362 gnus-sum-thread-tree-leaf-with-other
5363 gnus-sum-thread-tree-single-leaf)))))
5364 (when (string= gnus-tmp-name "")
5365 (setq gnus-tmp-name gnus-tmp-from))
5366 (unless (numberp gnus-tmp-lines)
5367 (setq gnus-tmp-lines -1))
5368 (if (= gnus-tmp-lines -1)
5369 (setq gnus-tmp-lines "?")
5370 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
5371 (gnus-put-text-property
5373 (progn (eval gnus-summary-line-format-spec) (point))
5374 'gnus-number number)
5377 (gnus-run-hooks 'gnus-summary-update-hook)
5380 (setq gnus-tmp-prev-subject simp-subject)))
5382 (when (nth 1 thread)
5383 (push (list (max 0 gnus-tmp-level)
5384 (copy-sequence tree-stack)
5387 (push (if (nth 1 thread) 1 0) tree-stack)
5388 (incf gnus-tmp-level)
5389 (setq threads (if thread-end nil (cdar thread)))
5390 (if gnus-summary-display-while-building
5393 ;; use a set frequency
5394 (setq building-line-count (1- building-line-count))
5395 (when (= building-line-count 0)
5397 (setq building-line-count
5398 gnus-summary-display-while-building)))
5402 (setq gnus-tmp-level 0)))))
5403 (gnus-message 7 "Generating summary...done"))
5405 (defun gnus-summary-prepare-unthreaded (headers)
5406 "Generate an unthreaded summary buffer based on HEADERS."
5407 (let (header number mark)
5412 ;; We may have to root out some bad articles...
5413 (when (memq (setq number (mail-header-number
5414 (setq header (pop headers))))
5415 gnus-newsgroup-limit)
5416 ;; Mark article as read when it has a low score.
5417 (when (and gnus-summary-mark-below
5418 (< (or (cdr (assq number gnus-newsgroup-scored))
5419 gnus-summary-default-score 0)
5420 gnus-summary-mark-below)
5421 (not (gnus-summary-article-ancient-p number)))
5422 (setq gnus-newsgroup-unreads
5423 (delq number gnus-newsgroup-unreads))
5424 (if gnus-newsgroup-auto-expire
5425 (push number gnus-newsgroup-expirable)
5426 (push (cons number gnus-low-score-mark)
5427 gnus-newsgroup-reads)))
5429 (setq mark (gnus-article-mark number))
5430 (push (gnus-data-make number mark (1+ (point)) header 0)
5431 gnus-newsgroup-data)
5432 (gnus-summary-insert-line
5434 (memq number gnus-newsgroup-undownloaded)
5435 mark (memq number gnus-newsgroup-replied)
5436 (memq number gnus-newsgroup-expirable)
5437 (mail-header-subject header) nil
5438 (cdr (assq number gnus-newsgroup-scored))
5439 (memq number gnus-newsgroup-processable))))))
5441 (defun gnus-summary-remove-list-identifiers ()
5442 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
5443 (let ((regexp (if (consp gnus-list-identifiers)
5444 (mapconcat 'identity gnus-list-identifiers " *\\|")
5445 gnus-list-identifiers))
5448 (setq regexp (concat "^\\(?:R[Ee]: +\\)*\\(" regexp " *\\)"))
5449 (dolist (header gnus-newsgroup-headers)
5450 (setq subject (mail-header-subject header)
5452 (while (string-match regexp subject)
5454 (concat (substring subject 0 (match-beginning 1))
5455 (substring subject (match-end 0)))
5458 (when (string-match "^\\(\\(?:R[Ee]: +\\)+\\)R[Ee]: +" subject)
5460 (concat (substring subject 0 (match-beginning 1))
5461 (substring subject (match-end 1)))))
5462 (mail-header-set-subject header subject))))))
5464 (defun gnus-fetch-headers (articles)
5465 "Fetch headers of ARTICLES."
5466 (let ((name (gnus-group-decoded-name gnus-newsgroup-name)))
5467 (gnus-message 5 "Fetching headers for %s..." name)
5470 (setq gnus-headers-retrieved-by
5471 (gnus-retrieve-headers
5472 articles gnus-newsgroup-name
5473 ;; We might want to fetch old headers, but
5474 ;; not if there is only 1 article.
5476 (not (eq gnus-fetch-old-headers 'some))
5477 (not (numberp gnus-fetch-old-headers)))
5478 (> (length articles) 1))
5479 gnus-fetch-old-headers))))
5480 (gnus-get-newsgroup-headers-xover
5481 articles nil nil gnus-newsgroup-name t)
5482 (gnus-get-newsgroup-headers))
5483 (gnus-message 5 "Fetching headers for %s...done" name))))
5485 (defun gnus-select-newsgroup (group &optional read-all select-articles)
5486 "Select newsgroup GROUP.
5487 If READ-ALL is non-nil, all articles in the group are selected.
5488 If SELECT-ARTICLES, only select those articles from GROUP."
5489 (let* ((entry (gnus-group-entry group))
5490 ;;!!! Dirty hack; should be removed.
5491 (gnus-summary-ignore-duplicates
5492 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
5494 gnus-summary-ignore-duplicates))
5495 (info (nth 2 entry))
5496 charset articles fetched-articles cached)
5498 (unless (gnus-check-server
5499 (set (make-local-variable 'gnus-current-select-method)
5500 (gnus-find-method-for-group group)))
5501 (error "Couldn't open server"))
5502 (setq charset (gnus-group-name-charset gnus-current-select-method group))
5504 (or (and entry (not (eq (car entry) t))) ; Either it's active...
5505 (gnus-activate-group group) ; Or we can activate it...
5506 (progn ; Or we bug out.
5507 (when (equal major-mode 'gnus-summary-mode)
5508 (gnus-kill-buffer (current-buffer)))
5510 "Couldn't activate group %s: %s"
5511 (mm-decode-coding-string group charset)
5512 (mm-decode-coding-string (gnus-status-message group) charset))))
5514 (unless (gnus-request-group group t)
5515 (when (equal major-mode 'gnus-summary-mode)
5516 (gnus-kill-buffer (current-buffer)))
5517 (error "Couldn't request group %s: %s"
5518 (mm-decode-coding-string group charset)
5519 (mm-decode-coding-string (gnus-status-message group) charset)))
5522 (gnus-agent-possibly-alter-active group (gnus-active group) info)
5524 (setq gnus-summary-use-undownloaded-faces
5525 (gnus-agent-find-parameter
5527 'agent-enable-undownloaded-faces)))
5529 (setq gnus-newsgroup-name group
5530 gnus-newsgroup-unselected nil
5531 gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
5533 (let ((display (gnus-group-find-parameter group 'display)))
5534 (setq gnus-newsgroup-display
5536 ((not (zerop (or (car-safe read-all) 0)))
5537 ;; The user entered the group with C-u SPC/RET, let's show
5543 (gnus-summary-display-make-predicate (mapcar 'identity display)))
5545 ;; The following is probably the "correct" solution, but
5546 ;; it makes Gnus fetch all headers and then limit the
5547 ;; articles (which is slow), so instead we hack the
5548 ;; select-articles parameter instead. -- Simon Josefsson
5551 ;; (gnus-byte-compile
5552 ;; `(lambda () (> number ,(- (cdr (gnus-active group))
5554 (setq select-articles
5555 (gnus-uncompress-range
5556 (cons (let ((tmp (- (cdr (gnus-active group)) display)))
5560 (cdr (gnus-active group)))))
5565 (gnus-summary-setup-default-charset)
5567 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5568 (when (gnus-virtual-group-p group)
5569 (setq cached gnus-newsgroup-cached))
5571 (setq gnus-newsgroup-unreads
5572 (gnus-sorted-ndifference
5573 (gnus-sorted-ndifference gnus-newsgroup-unreads
5574 gnus-newsgroup-marked)
5575 gnus-newsgroup-dormant))
5577 (setq gnus-newsgroup-processable nil)
5579 (gnus-update-read-articles group gnus-newsgroup-unreads)
5581 ;; Adjust and set lists of article marks.
5583 (gnus-adjust-marked-articles info))
5584 (if (setq articles select-articles)
5585 (setq gnus-newsgroup-unselected
5586 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5587 (setq articles (gnus-articles-to-read group read-all)))
5591 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
5593 ((eq articles 0) nil)
5595 ;; Init the dependencies hash table.
5596 (setq gnus-newsgroup-dependencies
5597 (gnus-make-hashtable (length articles)))
5598 (gnus-set-global-variables)
5599 ;; Retrieve the headers and read them in.
5601 (setq gnus-newsgroup-headers (gnus-fetch-headers articles))
5603 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5605 (setq gnus-newsgroup-cached cached))
5607 ;; Suppress duplicates?
5608 (when gnus-suppress-duplicates
5609 (gnus-dup-suppress-articles))
5611 ;; Set the initial limit.
5612 (setq gnus-newsgroup-limit (copy-sequence articles))
5613 ;; Remove canceled articles from the list of unread articles.
5614 (setq fetched-articles
5615 (mapcar (lambda (headers) (mail-header-number headers))
5616 gnus-newsgroup-headers))
5617 (setq gnus-newsgroup-articles fetched-articles)
5618 (setq gnus-newsgroup-unreads
5619 (gnus-sorted-nintersection
5620 gnus-newsgroup-unreads fetched-articles))
5621 (gnus-compute-unseen-list)
5623 ;; Removed marked articles that do not exist.
5624 (gnus-update-missing-marks
5625 (gnus-sorted-difference articles fetched-articles))
5626 ;; We might want to build some more threads first.
5627 (when (and gnus-fetch-old-headers
5628 (eq gnus-headers-retrieved-by 'nov))
5629 (if (eq gnus-fetch-old-headers 'invisible)
5630 (gnus-build-all-threads)
5631 (gnus-build-old-threads)))
5632 ;; Let the Gnus agent mark articles as read.
5634 (gnus-agent-get-undownloaded-list))
5635 ;; Remove list identifiers from subject
5636 (when gnus-list-identifiers
5637 (gnus-summary-remove-list-identifiers))
5638 ;; Check whether auto-expire is to be done in this group.
5639 (setq gnus-newsgroup-auto-expire
5640 (gnus-group-auto-expirable-p group))
5641 ;; Set up the article buffer now, if necessary.
5642 (unless (and gnus-single-article-buffer
5643 (equal gnus-article-buffer "*Article*"))
5644 (gnus-article-setup-buffer))
5645 ;; First and last article in this newsgroup.
5646 (when gnus-newsgroup-headers
5647 (setq gnus-newsgroup-begin
5648 (mail-header-number (car gnus-newsgroup-headers))
5651 (gnus-last-element gnus-newsgroup-headers))))
5652 ;; GROUP is successfully selected.
5653 (or gnus-newsgroup-headers t)))))
5655 (defun gnus-compute-unseen-list ()
5656 ;; The `seen' marks are treated specially.
5657 (if (not gnus-newsgroup-seen)
5658 (setq gnus-newsgroup-unseen gnus-newsgroup-articles)
5659 (setq gnus-newsgroup-unseen
5660 (gnus-inverse-list-range-intersection
5661 gnus-newsgroup-articles gnus-newsgroup-seen))))
5663 (declare-function gnus-get-predicate "gnus-agent" (predicate))
5665 (defun gnus-summary-display-make-predicate (display)
5666 (require 'gnus-agent)
5667 (when (= (length display) 1)
5668 (setq display (car display)))
5669 (unless gnus-summary-display-cache
5670 (dolist (elem (append '((unread . unread)
5673 gnus-article-mark-lists))
5674 (push (cons (cdr elem)
5676 `(lambda () (gnus-article-marked-p ',(cdr elem)))))
5677 gnus-summary-display-cache)))
5678 (let ((gnus-category-predicate-alist gnus-summary-display-cache)
5679 (gnus-category-predicate-cache gnus-summary-display-cache))
5680 (gnus-get-predicate display)))
5682 ;; Uses the dynamically bound `number' variable.
5684 (defun gnus-article-marked-p (type &optional article)
5685 (let ((article (or article number)))
5688 (memq article gnus-newsgroup-marked))
5690 (memq article gnus-newsgroup-spam-marked))
5692 (memq article gnus-newsgroup-unsendable))
5693 ((eq type 'undownload)
5694 (memq article gnus-newsgroup-undownloaded))
5695 ((eq type 'download)
5696 (memq article gnus-newsgroup-downloadable))
5698 (memq article gnus-newsgroup-unreads))
5700 (memq article gnus-newsgroup-reads))
5702 (memq article gnus-newsgroup-dormant) )
5704 (memq article gnus-newsgroup-expirable))
5706 (memq article gnus-newsgroup-replied))
5708 (memq article gnus-newsgroup-killed))
5709 ((eq type 'bookmark)
5710 (assq article gnus-newsgroup-bookmarks))
5712 (assq article gnus-newsgroup-scored))
5714 (memq article gnus-newsgroup-saved))
5716 (memq article gnus-newsgroup-cached))
5718 (memq article gnus-newsgroup-forwarded))
5720 (not (memq article gnus-newsgroup-unseen)))
5722 (memq article gnus-newsgroup-recent))
5725 (defun gnus-articles-to-read (group &optional read-all)
5726 "Find out what articles the user wants to read."
5728 ;; Select all articles if `read-all' is non-nil, or if there
5729 ;; are no unread articles.
5731 (and (zerop (length gnus-newsgroup-marked))
5732 (zerop (length gnus-newsgroup-unreads)))
5733 ;; Fetch all if the predicate is non-nil.
5734 gnus-newsgroup-display)
5735 ;; We want to select the headers for all the articles in
5736 ;; the group, so we select either all the active
5737 ;; articles in the group, or (if that's nil), the
5738 ;; articles in the cache.
5740 (if gnus-newsgroup-maximum-articles
5741 (let ((active (gnus-active group)))
5742 (gnus-uncompress-range
5743 (cons (max (car active)
5745 gnus-newsgroup-maximum-articles
5748 (gnus-uncompress-range (gnus-active group)))
5749 (gnus-cache-articles-in-group group))
5750 ;; Select only the "normal" subset of articles.
5752 (gnus-sorted-union gnus-newsgroup-dormant gnus-newsgroup-marked)
5753 gnus-newsgroup-unreads)))
5754 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
5755 (scored (length scored-list))
5756 (number (length articles))
5757 (marked (+ (length gnus-newsgroup-marked)
5758 (length gnus-newsgroup-dormant)))
5763 ((numberp gnus-newsgroup-display)
5764 gnus-newsgroup-display)
5768 ((and (or (<= scored marked) (= scored number))
5769 (numberp gnus-large-newsgroup)
5770 (> number gnus-large-newsgroup))
5771 (let* ((cursor-in-echo-area nil)
5772 (initial (gnus-parameter-large-newsgroup-initial
5773 gnus-newsgroup-name))
5777 "How many articles from %s (%s %d): "
5778 (gnus-group-decoded-name gnus-newsgroup-name)
5779 (if initial "max" "default")
5782 (cons (number-to-string initial)
5784 (if (string-match "^[ \t]*$" input) number input)))
5785 ((and (> scored marked) (< scored number)
5786 (> (- scored number) 20))
5789 (format "%s %s (%d scored, %d total): "
5790 "How many articles from"
5791 (gnus-group-decoded-name group)
5793 (if (string-match "^[ \t]*$" input)
5797 (message "Quit getting the articles to read")
5799 (setq select (if (stringp select) (string-to-number select) select))
5800 (if (or (null select) (zerop select))
5802 (if (and (not (zerop scored)) (<= (abs select) scored))
5804 (setq articles (sort scored-list '<))
5805 (setq number (length articles)))
5806 (setq articles (copy-sequence articles)))
5808 (when (< (abs select) number)
5810 ;; Select the N oldest articles.
5811 (setcdr (nthcdr (1- (abs select)) articles) nil)
5812 ;; Select the N most recent articles.
5813 (setq articles (nthcdr (- number select) articles))))
5814 (setq gnus-newsgroup-unselected
5815 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5816 (when gnus-alter-articles-to-read-function
5819 (funcall gnus-alter-articles-to-read-function
5820 gnus-newsgroup-name articles)
5824 (defun gnus-killed-articles (killed articles)
5827 (when (inline (gnus-member-of-range (car articles) killed))
5828 (push (car articles) out))
5829 (setq articles (cdr articles)))
5832 (defun gnus-uncompress-marks (marks)
5833 "Uncompress the mark ranges in MARKS."
5834 (let ((uncompressed '(score bookmark))
5837 (if (memq (caar marks) uncompressed)
5838 (push (car marks) out)
5839 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
5840 (setq marks (cdr marks)))
5843 (defun gnus-article-mark-to-type (mark)
5844 "Return the type of MARK."
5845 (or (cadr (assq mark gnus-article-special-mark-lists))
5848 (defun gnus-article-unpropagatable-p (mark)
5849 "Return whether MARK should be propagated to back end."
5850 (memq mark gnus-article-unpropagated-mark-lists))
5852 (defun gnus-adjust-marked-articles (info)
5853 "Set all article lists and remove all marks that are no longer valid."
5854 (let* ((marked-lists (gnus-info-marks info))
5855 (active (gnus-active (gnus-info-group info)))
5858 (types gnus-article-mark-lists)
5859 marks var articles article mark mark-type
5862 (dolist (marks marked-lists)
5863 (setq mark (car marks)
5864 mark-type (gnus-article-mark-to-type mark)
5865 var (intern (format "gnus-newsgroup-%s" (car (rassq mark types)))))
5867 ;; We set the variable according to the type of the marks list,
5868 ;; and then adjust the marks to a subset of the active articles.
5870 ;; Adjust "simple" lists - compressed yet unsorted
5871 ((eq mark-type 'list)
5872 ;; Simultaneously uncompress and clip to active range
5873 ;; See gnus-uncompress-range for a description of possible marks
5875 (if (not (cadr marks))
5877 (setq articles (if (numberp (cddr marks))
5883 (while (setq article (pop articles))
5884 (cond ((consp article)
5885 (setq bgn (max (car article) min)
5886 end (min (cdr article) max))
5888 (setq l (setcdr l (cons bgn nil))
5890 ((and (<= min article)
5892 (setq l (setcdr l (cons article nil))))))
5893 (set var (cdr lh)))))
5895 ((eq mark-type 'tuple)
5896 (set var (setq articles (cdr marks)))
5897 (when (not (listp (cdr (symbol-value var))))
5898 (set var (list (symbol-value var))))
5899 (when (not (listp (cdr articles)))
5900 (setq articles (list articles)))
5902 (when (or (not (consp (setq article (pop articles))))
5903 (< (car article) min)
5904 (> (car article) max))
5905 (set var (delq article (symbol-value var))))))
5906 ;; Adjust ranges (sloppily).
5907 ((eq mark-type 'range)
5910 ;; Fix the record for `seen' if it looks like (seen NUM1 . NUM2).
5911 ;; It should be (seen (NUM1 . NUM2)).
5912 (when (numberp (cddr marks))
5913 (setcdr marks (list (cdr marks))))
5914 (setq articles (cdr marks))
5915 (while (and articles
5916 (or (and (consp (car articles))
5917 (> min (cdar articles)))
5918 (and (numberp (car articles))
5919 (> min (car articles)))))
5921 (set var articles))))))))
5923 (defun gnus-update-missing-marks (missing)
5924 "Go through the list of MISSING articles and remove them from the mark lists."
5927 ;; Go through all types.
5928 (dolist (elem gnus-article-mark-lists)
5929 (when (eq (gnus-article-mark-to-type (cdr elem)) 'list)
5930 (setq var (intern (format "gnus-newsgroup-%s" (car elem))))
5931 (when (symbol-value var)
5932 ;; This list has articles. So we delete all missing
5933 ;; articles from it.
5936 (set var (delq (pop m) (symbol-value var))))))))))
5938 (defun gnus-update-marks ()
5939 "Enter the various lists of marked articles into the newsgroup info list."
5940 (let ((types gnus-article-mark-lists)
5941 (info (gnus-get-info gnus-newsgroup-name))
5942 type list newmarked symbol delta-marks)
5944 ;; Add all marks lists to the list of marks lists.
5945 (while (setq type (pop types))
5946 (setq list (symbol-value
5948 (intern (format "gnus-newsgroup-%s" (car type))))))
5951 ;; Get rid of the entries of the articles that have the
5953 (when (and (eq (cdr type) 'score)
5957 (prev (cons nil list))
5960 (if (or (not (consp (car arts)))
5961 (= (cdar arts) gnus-summary-default-score))
5962 (setcdr prev (cdr arts))
5964 (setq arts (cdr arts)))
5965 (setq list (cdr all)))))
5967 (when (eq (cdr type) 'seen)
5968 (setq list (gnus-range-add list gnus-newsgroup-unseen)))
5970 (when (eq (gnus-article-mark-to-type (cdr type)) 'list)
5971 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
5973 (when (and (gnus-check-backend-function
5974 'request-set-mark gnus-newsgroup-name)
5975 (not (gnus-article-unpropagatable-p (cdr type))))
5976 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
5977 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
5978 (add (gnus-remove-from-range
5979 (gnus-copy-sequence list) old)))
5981 (push (list add 'add (list (cdr type))) delta-marks))
5983 (push (list del 'del (list (cdr type))) delta-marks))))
5986 (push (cons (cdr type) list) newmarked)))
5989 (unless (gnus-check-group gnus-newsgroup-name)
5990 (error "Can't open server for %s" gnus-newsgroup-name))
5991 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
5993 ;; Enter these new marks into the info of the group.
5995 (setcar (nthcdr 3 info) newmarked)
5996 ;; Add the marks lists to the end of the info.
5998 (setcdr (nthcdr 2 info) (list newmarked))))
6000 ;; Cut off the end of the info if there's nothing else there.
6004 (when (nthcdr (decf i) info)
6005 (setcdr (nthcdr i info) nil)))))))
6007 (defun gnus-set-mode-line (where)
6008 "Set the mode line of the article or summary buffers.
6009 If WHERE is `summary', the summary mode line format will be used."
6010 ;; Is this mode line one we keep updated?
6011 (when (and (memq where gnus-updated-mode-lines)
6013 (intern (format "gnus-%s-mode-line-format-spec" where))))
6015 ;; We evaluate this in the summary buffer since these
6016 ;; variables are buffer-local to that buffer.
6017 (with-current-buffer gnus-summary-buffer
6018 ;; We bind all these variables that are used in the `eval' form
6020 (let* ((mformat (symbol-value
6022 (format "gnus-%s-mode-line-format-spec" where))))
6023 (gnus-tmp-group-name (gnus-mode-string-quote
6024 (gnus-group-decoded-name
6025 gnus-newsgroup-name)))
6026 (gnus-tmp-article-number (or gnus-current-article 0))
6027 (gnus-tmp-unread gnus-newsgroup-unreads)
6028 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
6029 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
6030 (gnus-tmp-unread-and-unselected
6031 (cond ((and (zerop gnus-tmp-unread-and-unticked)
6032 (zerop gnus-tmp-unselected))
6034 ((zerop gnus-tmp-unselected)
6035 (format "{%d more}" gnus-tmp-unread-and-unticked))
6036 (t (format "{%d(+%d) more}"
6037 gnus-tmp-unread-and-unticked
6038 gnus-tmp-unselected))))
6040 (if (and gnus-current-headers
6041 (vectorp gnus-current-headers))
6042 (gnus-mode-string-quote
6043 (mail-header-subject gnus-current-headers))
6045 bufname-length max-len
6046 gnus-tmp-header) ;; passed as argument to any user-format-funcs
6047 (setq mode-string (eval mformat))
6048 (setq bufname-length (if (string-match "%b" mode-string)
6051 (if (eq where 'summary)
6053 (get-buffer gnus-article-buffer))))
6056 (setq max-len (max 4 (if gnus-mode-non-string-length
6058 gnus-mode-non-string-length
6060 (length mode-string))))
6061 ;; We might have to chop a bit of the string off...
6062 (when (> (length mode-string) max-len)
6064 (concat (truncate-string-to-width mode-string (- max-len 3))
6066 ;; Pad the mode string a bit.
6067 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
6068 ;; Update the mode line.
6069 (setq mode-line-buffer-identification
6070 (gnus-mode-line-buffer-identification (list mode-string)))
6071 (set-buffer-modified-p t))))
6073 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
6074 "Go through the HEADERS list and add all Xrefs to a hash table.
6075 The resulting hash table is returned, or nil if no Xrefs were found."
6076 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
6077 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
6078 (xref-hashtb (gnus-make-hashtable))
6079 start group entry number xrefs header)
6081 (setq header (pop headers))
6082 (when (and (setq xrefs (mail-header-xref header))
6083 (not (memq (setq number (mail-header-number header))
6086 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
6087 (setq start (match-end 0))
6088 (setq group (if prefix
6089 (concat prefix (substring xrefs (match-beginning 1)
6091 (substring xrefs (match-beginning 1) (match-end 1))))
6093 (string-to-number (substring xrefs (match-beginning 2)
6095 (if (setq entry (gnus-gethash group xref-hashtb))
6096 (setcdr entry (cons number (cdr entry)))
6097 (gnus-sethash group (cons number nil) xref-hashtb)))))
6098 (and start xref-hashtb)))
6100 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
6101 "Look through all the headers and mark the Xrefs as read."
6102 (let ((virtual (gnus-virtual-group-p from-newsgroup))
6103 name info xref-hashtb idlist method nth4)
6105 (set-buffer gnus-group-buffer)
6106 (when (setq xref-hashtb
6107 (gnus-create-xref-hashtb from-newsgroup headers unreads))
6110 (unless (string= from-newsgroup (setq name (symbol-name group)))
6111 (setq idlist (symbol-value group))
6112 ;; Dead groups are not updated.
6114 (setq info (gnus-get-info name))
6115 (when (stringp (setq nth4 (gnus-info-method info)))
6116 (setq nth4 (gnus-server-to-method nth4))))
6117 ;; Only do the xrefs if the group has the same
6118 ;; select method as the group we have just read.
6119 (or (gnus-methods-equal-p
6120 nth4 (gnus-find-method-for-group from-newsgroup))
6122 (equal nth4 (setq method (gnus-find-method-for-group
6124 (and (equal (car nth4) (car method))
6125 (equal (nth 1 nth4) (nth 1 method))))
6126 gnus-use-cross-reference
6127 (or (not (eq gnus-use-cross-reference t))
6129 ;; Only do cross-references on subscribed
6130 ;; groups, if that is what is wanted.
6131 (<= (gnus-info-level info) gnus-level-subscribed))
6132 (gnus-group-make-articles-read name idlist))))
6135 (defun gnus-compute-read-articles (group articles)
6136 (let* ((entry (gnus-group-entry group))
6137 (info (nth 2 entry))
6138 (active (gnus-active group))
6141 ;; First peel off all invalid article numbers.
6143 (let ((ids articles)
6145 (while (setq id (pop ids))
6146 (when (and first (> id (cdr active)))
6147 ;; We'll end up in this situation in one particular
6148 ;; obscure situation. If you re-scan a group and get
6149 ;; a new article that is cross-posted to a different
6150 ;; group that has not been re-scanned, you might get
6151 ;; crossposted article that has a higher number than
6152 ;; Gnus believes possible. So we re-activate this
6153 ;; group as well. This might mean doing the
6154 ;; crossposting thingy will *increase* the number
6155 ;; of articles in some groups. Tsk, tsk.
6156 (setq active (or (gnus-activate-group group) active)))
6157 (when (or (> id (cdr active))
6158 (< id (car active)))
6159 (setq articles (delq id articles))))))
6160 ;; If the read list is nil, we init it.
6162 (null (gnus-info-read info))
6164 (setq ninfo (cons 1 (1- (car active))))
6165 (setq ninfo (gnus-info-read info)))
6166 ;; Then we add the read articles to the range.
6168 ninfo (setq articles (sort articles '<))))))
6170 (defun gnus-group-make-articles-read (group articles)
6171 "Update the info of GROUP to say that ARTICLES are read."
6173 (entry (gnus-group-entry group))
6174 (info (nth 2 entry))
6175 (active (gnus-active group))
6178 (setq range (gnus-compute-read-articles group articles))
6179 (with-current-buffer gnus-group-buffer
6182 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
6183 (gnus-info-set-read ',info ',(gnus-info-read info))
6184 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
6185 (gnus-request-set-mark ,group (list (list ',range 'del '(read))))
6186 (gnus-group-update-group ,group t))))
6187 ;; Add the read articles to the range.
6188 (gnus-info-set-read info range)
6189 (gnus-request-set-mark group (list (list range 'add '(read))))
6190 ;; Then we have to re-compute how many unread
6191 ;; articles there are in this group.
6195 (setq num (- (1+ (cdr active)) (car active))))
6196 ((not (listp (cdr range)))
6197 (setq num (- (cdr active) (- (1+ (cdr range))
6201 (if (numberp (car range))
6203 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
6204 (setq range (cdr range)))
6205 (setq num (- (cdr active) num))))
6206 ;; Update the number of unread articles.
6208 ;; Update the group buffer.
6209 (unless (gnus-ephemeral-group-p group)
6210 (gnus-group-update-group group t))))))
6212 (defvar gnus-newsgroup-none-id 0)
6214 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
6215 (let ((cur nntp-server-buffer)
6218 (with-current-buffer gnus-summary-buffer
6219 gnus-newsgroup-dependencies)))
6220 headers id end ref number
6221 (mail-parse-charset gnus-newsgroup-charset)
6222 (mail-parse-ignored-charsets
6223 (save-current-buffer (condition-case nil
6224 (set-buffer gnus-summary-buffer)
6226 gnus-newsgroup-ignored-charsets)))
6227 (with-current-buffer nntp-server-buffer
6228 ;; Translate all TAB characters into SPACE characters.
6229 (subst-char-in-region (point-min) (point-max) ?\t ? t)
6230 (subst-char-in-region (point-min) (point-max) ?\r ? t)
6231 (ietf-drums-unfold-fws)
6232 (gnus-run-hooks 'gnus-parse-headers-hook)
6233 (let ((case-fold-search t)
6234 in-reply-to header p lines chars)
6235 (goto-char (point-min))
6236 ;; Search to the beginning of the next header. Error messages
6237 ;; do not begin with 2 or 3.
6238 (while (re-search-forward "^[23][0-9]+ " nil t)
6241 ;; This implementation of this function, with nine
6242 ;; search-forwards instead of the one re-search-forward and
6243 ;; a case (which basically was the old function) is actually
6244 ;; about twice as fast, even though it looks messier. You
6245 ;; can't have everything, I guess. Speed and elegance
6246 ;; doesn't always go hand in hand.
6252 (setq number (read cur))
6255 (narrow-to-region (point)
6256 (or (and (search-forward "\n.\n" nil t)
6262 (if (search-forward "\nsubject:" nil t)
6263 (funcall gnus-decode-encoded-word-function
6264 (nnheader-header-value))
6269 (if (search-forward "\nfrom:" nil t)
6270 (funcall gnus-decode-encoded-address-function
6271 (nnheader-header-value))
6276 (if (search-forward "\ndate:" nil t)
6277 (nnheader-header-value) ""))
6281 (setq id (if (re-search-forward
6282 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
6283 ;; We do it this way to make sure the Message-ID
6284 ;; is (somewhat) syntactically valid.
6285 (buffer-substring (match-beginning 1)
6287 ;; If there was no message-id, we just fake one
6288 ;; to make subsequent routines simpler.
6289 (nnheader-generate-fake-message-id number))))
6293 (if (search-forward "\nreferences:" nil t)
6297 (nnheader-header-value)
6302 (search-backward ">" end t)
6305 (search-backward "<" end t)
6307 ;; Get the references from the in-reply-to header if there
6308 ;; were no references and the in-reply-to header looks
6310 (if (and (search-forward "\nin-reply-to:" nil t)
6311 (setq in-reply-to (nnheader-header-value))
6312 (string-match "<[^>]+>" in-reply-to))
6314 (setq ref (substring in-reply-to (match-beginning 0)
6316 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
6317 (setq ref2 (substring in-reply-to (match-beginning 0)
6319 (when (> (length ref2) (length ref))
6326 (if (search-forward "\nchars: " nil t)
6327 (if (numberp (setq chars (ignore-errors (read cur))))
6333 (if (search-forward "\nlines: " nil t)
6334 (if (numberp (setq lines (ignore-errors (read cur))))
6340 (and (search-forward "\nxref:" nil t)
6341 (nnheader-header-value)))
6343 (when gnus-extra-headers
6344 (let ((extra gnus-extra-headers)
6348 (when (search-forward
6349 (concat "\n" (symbol-name (car extra)) ":") nil t)
6350 (push (cons (car extra) (nnheader-header-value))
6354 (when (equal id ref)
6357 (when gnus-alter-header-function
6358 (funcall gnus-alter-header-function header)
6359 (setq id (mail-header-id header)
6360 ref (gnus-parent-id (mail-header-references header))))
6363 (gnus-dependencies-add-header
6364 header dependencies force-new))
6365 (push header headers))
6366 (goto-char (point-max))
6368 (nreverse headers)))))
6370 ;; Goes through the xover lines and returns a list of vectors
6371 (defun gnus-get-newsgroup-headers-xover (sequence &optional
6372 force-new dependencies
6373 group also-fetch-heads)
6374 "Parse the news overview data in the server buffer.
6375 Return a list of headers that match SEQUENCE (see
6376 `nntp-retrieve-headers')."
6377 ;; Get the Xref when the users reads the articles since most/some
6378 ;; NNTP servers do not include Xrefs when using XOVER.
6379 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
6380 (let ((mail-parse-charset gnus-newsgroup-charset)
6381 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
6382 (cur nntp-server-buffer)
6383 (dependencies (or dependencies gnus-newsgroup-dependencies))
6385 ((eq gnus-read-all-available-headers t)
6387 ((and (stringp gnus-read-all-available-headers)
6389 (string-match gnus-read-all-available-headers group))
6392 number headers header)
6393 (with-current-buffer nntp-server-buffer
6394 (subst-char-in-region (point-min) (point-max) ?\r ? t)
6395 ;; Allow the user to mangle the headers before parsing them.
6396 (gnus-run-hooks 'gnus-parse-headers-hook)
6397 (goto-char (point-min))
6398 (gnus-parse-without-error
6399 (while (and (or sequence allp)
6401 (setq number (read cur))
6403 (while (and sequence
6404 (< (car sequence) number))
6405 (setq sequence (cdr sequence))))
6408 (eq number (car sequence))))
6410 (setq sequence (cdr sequence))
6411 (setq header (inline
6412 (gnus-nov-parse-line
6413 number dependencies force-new)))))
6414 (push header headers))
6416 ;; A common bug in inn is that if you have posted an article and
6417 ;; then retrieves the active file, it will answer correctly --
6418 ;; the new article is included. However, a NOV entry for the
6419 ;; article may not have been generated yet, so this may fail.
6420 ;; We work around this problem by retrieving the last few
6421 ;; headers using HEAD.
6422 (if (or (not also-fetch-heads)
6424 ;; We (probably) got all the headers.
6426 (let ((gnus-nov-is-evil t))
6429 (when (eq (gnus-retrieve-headers sequence group) 'headers)
6430 (gnus-get-newsgroup-headers))))))))
6432 (defun gnus-article-get-xrefs ()
6433 "Fill in the Xref value in `gnus-current-headers', if necessary.
6434 This is meant to be called in `gnus-article-internal-prepare-hook'."
6435 (let ((headers (with-current-buffer gnus-summary-buffer
6436 gnus-current-headers)))
6437 (or (not gnus-use-cross-reference)
6439 (and (mail-header-xref headers)
6440 (not (string= (mail-header-xref headers) "")))
6441 (let ((case-fold-search t)
6444 (nnheader-narrow-to-headers)
6445 (goto-char (point-min))
6446 (when (or (and (not (eobp))
6447 (eq (downcase (char-after)) ?x)
6448 (looking-at "Xref:"))
6449 (search-forward "\nXref:" nil t))
6450 (goto-char (1+ (match-end 0)))
6451 (setq xref (buffer-substring (point) (point-at-eol)))
6452 (mail-header-set-xref headers xref)))))))
6454 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
6455 "Find article ID and insert the summary line for that article.
6456 OLD-HEADER can either be a header or a line number to insert
6457 the subject line on."
6458 (let* ((line (and (numberp old-header) old-header))
6459 (old-header (and (vectorp old-header) old-header))
6460 (header (cond ((and old-header use-old-header)
6463 (gnus-number-to-header id))
6464 (gnus-number-to-header id))
6466 (gnus-read-header id))))
6467 (number (and (numberp id) id))
6470 ;; Rebuild the thread that this article is part of and go to the
6471 ;; article we have fetched.
6472 (when (and (not gnus-show-threads)
6475 (setq d (gnus-data-find (mail-header-number old-header))))
6476 (goto-char (gnus-data-pos d))
6482 (gnus-delete-line))))))
6483 ;; Remove list identifiers from subject.
6484 (when gnus-list-identifiers
6485 (let ((gnus-newsgroup-headers (list header)))
6486 (gnus-summary-remove-list-identifiers)))
6488 (mail-header-set-number header (mail-header-number old-header)))
6489 (setq gnus-newsgroup-sparse
6490 (delq (setq number (mail-header-number header))
6491 gnus-newsgroup-sparse))
6492 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
6493 (push number gnus-newsgroup-limit)
6494 (gnus-rebuild-thread (mail-header-id header) line)
6495 (gnus-summary-goto-subject number nil t))
6496 (when (and (numberp number)
6498 ;; We have to update the boundaries even if we can't fetch the
6499 ;; article if ID is a number -- so that the next `P' or `N'
6500 ;; command will fetch the previous (or next) article even
6501 ;; if the one we tried to fetch this time has been canceled.
6502 (when (> number gnus-newsgroup-end)
6503 (setq gnus-newsgroup-end number))
6504 (when (< number gnus-newsgroup-begin)
6505 (setq gnus-newsgroup-begin number))
6506 (setq gnus-newsgroup-unselected
6507 (delq number gnus-newsgroup-unselected)))
6508 ;; Report back a success?
6509 (and header (mail-header-number header))))
6511 ;;; Process/prefix in the summary buffer
6513 (defun gnus-summary-work-articles (n)
6514 "Return a list of articles to be worked upon.
6515 The prefix argument, the list of process marked articles, and the
6516 current article will be taken into consideration."
6517 (with-current-buffer gnus-summary-buffer
6520 ;; A numerical prefix has been given.
6521 (setq n (prefix-numeric-value n))
6522 (let ((backward (< n 0))
6523 (n (abs (prefix-numeric-value n)))
6528 (push (setq article (gnus-summary-article-number))
6531 (gnus-summary-find-prev nil article)
6532 (gnus-summary-find-next nil article)))
6534 (nreverse articles)))
6535 ((and (gnus-region-active-p) (mark))
6536 (message "region active")
6537 ;; Work on the region between point and mark.
6538 (let ((max (max (point) (mark)))
6541 (goto-char (min (point) (mark)))
6544 (push (setq article (gnus-summary-article-number)) articles)
6545 (gnus-summary-find-next nil article)
6547 (nreverse articles))))
6548 (gnus-newsgroup-processable
6549 ;; There are process-marked articles present.
6550 ;; Save current state.
6551 (gnus-summary-save-process-mark)
6553 (reverse gnus-newsgroup-processable))
6555 ;; Just return the current article.
6556 (list (gnus-summary-article-number))))))
6558 (defmacro gnus-summary-iterate (arg &rest forms)
6559 "Iterate over the process/prefixed articles and do FORMS.
6560 ARG is the interactive prefix given to the command. FORMS will be
6561 executed with point over the summary line of the articles."
6562 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
6563 `(let ((,articles (gnus-summary-work-articles ,arg)))
6565 (gnus-summary-goto-subject (car ,articles))
6569 (put 'gnus-summary-iterate 'lisp-indent-function 1)
6570 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
6572 (defun gnus-summary-save-process-mark ()
6573 "Push the current set of process marked articles on the stack."
6575 (push (copy-sequence gnus-newsgroup-processable)
6576 gnus-newsgroup-process-stack))
6578 (defun gnus-summary-kill-process-mark ()
6579 "Push the current set of process marked articles on the stack and unmark."
6581 (gnus-summary-save-process-mark)
6582 (gnus-summary-unmark-all-processable))
6584 (defun gnus-summary-yank-process-mark ()
6585 "Pop the last process mark state off the stack and restore it."
6587 (unless gnus-newsgroup-process-stack
6588 (error "Empty mark stack"))
6589 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
6591 (defun gnus-summary-process-mark-set (set)
6592 "Make SET into the current process marked articles."
6593 (gnus-summary-unmark-all-processable)
6594 (mapc 'gnus-summary-set-process-mark set))
6596 ;;; Searching and stuff
6598 (defun gnus-summary-search-group (&optional backward use-level)
6599 "Search for next unread newsgroup.
6600 If optional argument BACKWARD is non-nil, search backward instead."
6601 (with-current-buffer gnus-group-buffer
6602 (when (gnus-group-search-forward
6603 backward nil (if use-level (gnus-group-group-level) nil))
6604 (gnus-group-group-name))))
6606 (defun gnus-summary-best-group (&optional exclude-group)
6607 "Find the name of the best unread group.
6608 If EXCLUDE-GROUP, do not go to this group."
6609 (with-current-buffer gnus-group-buffer
6611 (gnus-group-best-unread-group exclude-group))))
6613 (defun gnus-summary-find-next (&optional unread article backward)
6615 (gnus-summary-find-prev unread article)
6616 (let* ((dummy (gnus-summary-article-intangible-p))
6617 (article (or article (gnus-summary-article-number)))
6618 (data (gnus-data-find-list article))
6620 (when (and (not dummy)
6621 (or (not gnus-summary-check-current)
6623 (not (gnus-data-unread-p (car data)))))
6624 (setq data (cdr data)))
6629 (unless (memq (gnus-data-number (car data))
6631 ((eq gnus-auto-goto-ignores
6632 'always-undownloaded)
6633 gnus-newsgroup-undownloaded)
6636 ((eq gnus-auto-goto-ignores
6638 gnus-newsgroup-unfetched)
6639 ((eq gnus-auto-goto-ignores
6641 gnus-newsgroup-undownloaded)))
6642 (when (gnus-data-unread-p (car data))
6643 (setq result (car data)
6645 (setq data (cdr data)))
6648 (goto-char (gnus-data-pos result))
6649 (gnus-data-number result)))))
6651 (defun gnus-summary-find-prev (&optional unread article)
6652 (let* ((eobp (eobp))
6653 (article (or article (gnus-summary-article-number)))
6654 (data (gnus-data-find-list article (gnus-data-list 'rev)))
6656 (when (and (not eobp)
6657 (or (not gnus-summary-check-current)
6659 (not (gnus-data-unread-p (car data)))))
6660 (setq data (cdr data)))
6665 (unless (memq (gnus-data-number (car data))
6667 ((eq gnus-auto-goto-ignores
6668 'always-undownloaded)
6669 gnus-newsgroup-undownloaded)
6672 ((eq gnus-auto-goto-ignores
6674 gnus-newsgroup-unfetched)
6675 ((eq gnus-auto-goto-ignores
6677 gnus-newsgroup-undownloaded)))
6678 (when (gnus-data-unread-p (car data))
6679 (setq result (car data)
6681 (setq data (cdr data)))
6684 (goto-char (gnus-data-pos result))
6685 (gnus-data-number result))))
6687 (defun gnus-summary-find-subject (subject &optional unread backward article)
6688 (let* ((simp-subject (gnus-simplify-subject-fully subject))
6689 (article (or article (gnus-summary-article-number)))
6690 (articles (gnus-data-list backward))
6691 (arts (gnus-data-find-list article articles))
6693 (when (or (not gnus-summary-check-current)
6695 (not (gnus-data-unread-p (car arts))))
6696 (setq arts (cdr arts)))
6698 (and (or (not unread)
6699 (gnus-data-unread-p (car arts)))
6700 (vectorp (gnus-data-header (car arts)))
6702 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
6703 (setq result (car arts)
6705 (setq arts (cdr arts)))
6707 (goto-char (gnus-data-pos result))
6708 (gnus-data-number result))))
6710 (defun gnus-summary-search-forward (&optional unread subject backward)
6711 "Search forward for an article.
6712 If UNREAD, look for unread articles. If SUBJECT, look for
6713 articles with that subject. If BACKWARD, search backward instead."
6714 (cond (subject (gnus-summary-find-subject subject unread backward))
6715 (backward (gnus-summary-find-prev unread))
6716 (t (gnus-summary-find-next unread))))
6718 (defun gnus-recenter (&optional n)
6719 "Center point in window and redisplay frame.
6720 Also do horizontal recentering."
6722 (when (and gnus-auto-center-summary
6723 (not (eq gnus-auto-center-summary 'vertical)))
6724 (gnus-horizontal-recenter))
6727 (defun gnus-summary-recenter ()
6728 "Center point in the summary window.
6729 If `gnus-auto-center-summary' is nil, or the article buffer isn't
6730 displayed, no centering will be performed."
6731 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
6732 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
6734 ;; The user has to want it.
6735 (when gnus-auto-center-summary
6736 (let* ((top (cond ((< (window-height) 4) 0)
6737 ((< (window-height) 7) 1)
6738 (t (if (numberp gnus-auto-center-summary)
6739 gnus-auto-center-summary
6740 (/ (1- (window-height)) 2)))))
6741 (height (1- (window-height)))
6742 (bottom (save-excursion (goto-char (point-max))
6743 (forward-line (- height))
6745 (window (get-buffer-window (current-buffer))))
6746 (when (get-buffer-window gnus-article-buffer)
6747 ;; Only do recentering when the article buffer is displayed,
6748 ;; Set the window start to either `bottom', which is the biggest
6749 ;; possible valid number, or the second line from the top,
6750 ;; whichever is the least.
6751 (let ((top-pos (save-excursion (forward-line (- top)) (point))))
6752 (if (> bottom top-pos)
6753 ;; Keep the second line from the top visible
6754 (set-window-start window top-pos)
6755 ;; Try to keep the bottom line visible; if it's partially
6756 ;; obscured, either scroll one more line to make it fully
6757 ;; visible, or revert to using TOP-POS.
6759 (goto-char (point-max))
6761 (let ((last-line-start (point)))
6763 (set-window-start window (point) t)
6764 (when (not (pos-visible-in-window-p last-line-start window))
6766 (set-window-start window (min (point) top-pos) t)))))))
6767 ;; Do horizontal recentering while we're at it.
6768 (when (and (get-buffer-window (current-buffer) t)
6769 (not (eq gnus-auto-center-summary 'vertical)))
6770 (let ((selected (selected-window)))
6771 (select-window (get-buffer-window (current-buffer) t))
6772 (gnus-summary-position-point)
6773 (gnus-horizontal-recenter)
6774 (select-window selected))))))
6776 (defun gnus-summary-jump-to-group (newsgroup)
6777 "Move point to NEWSGROUP in group mode buffer."
6778 ;; Keep update point of group mode buffer if visible.
6779 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
6780 (save-window-excursion
6781 ;; Take care of tree window mode.
6782 (when (get-buffer-window gnus-group-buffer)
6783 (pop-to-buffer gnus-group-buffer))
6784 (gnus-group-jump-to-group newsgroup))
6786 ;; Take care of tree window mode.
6787 (if (get-buffer-window gnus-group-buffer 0)
6788 (pop-to-buffer gnus-group-buffer)
6789 (set-buffer gnus-group-buffer))
6790 (gnus-group-jump-to-group newsgroup))))
6792 ;; This function returns a list of article numbers based on the
6793 ;; difference between the ranges of read articles in this group and
6794 ;; the range of active articles.
6795 (defun gnus-list-of-unread-articles (group)
6796 (let* ((read (gnus-info-read (gnus-get-info group)))
6797 (active (or (gnus-active group) (gnus-activate-group group)))
6798 (last (or (cdr active)
6799 (error "Group %s couldn't be activated " group)))
6800 (bottom (if gnus-newsgroup-maximum-articles
6802 (- last gnus-newsgroup-maximum-articles -1))
6805 ;; If none are read, then all are unread.
6808 ;; If the range of read articles is a single range, then the
6809 ;; first unread article is the article after the last read
6810 ;; article. Sounds logical, doesn't it?
6811 (if (and (not (listp (cdr read)))
6812 (or (< (car read) bottom)
6813 (progn (setq read (list read))
6815 (setq first (max bottom (1+ (cdr read))))
6816 ;; `read' is a list of ranges.
6817 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6820 (setq first bottom))
6823 (while (< first nlast)
6824 (setq unread (cons first unread)
6826 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6827 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6828 (setq read (cdr read)))))
6829 ;; And add the last unread articles.
6830 (while (<= first last)
6831 (setq unread (cons first unread)
6833 ;; Return the list of unread articles.
6834 (delq 0 (nreverse unread))))
6836 (defun gnus-list-of-read-articles (group)
6837 "Return a list of unread, unticked and non-dormant articles."
6838 (let* ((info (gnus-get-info group))
6839 (marked (gnus-info-marks info))
6840 (active (gnus-active group)))
6842 (gnus-list-range-difference
6843 (gnus-list-range-difference
6844 (gnus-sorted-complement
6845 (gnus-uncompress-range
6846 (if gnus-newsgroup-maximum-articles
6847 (cons (max (car active)
6849 gnus-newsgroup-maximum-articles
6853 (gnus-list-of-unread-articles group))
6854 (cdr (assq 'dormant marked)))
6855 (cdr (assq 'tick marked))))))
6857 ;; This function returns a sequence of article numbers based on the
6858 ;; difference between the ranges of read articles in this group and
6859 ;; the range of active articles.
6860 (defun gnus-sequence-of-unread-articles (group)
6861 (let* ((read (gnus-info-read (gnus-get-info group)))
6862 (active (or (gnus-active group) (gnus-activate-group group)))
6864 (bottom (if gnus-newsgroup-maximum-articles
6866 (- last gnus-newsgroup-maximum-articles -1))
6869 ;; If none are read, then all are unread.
6872 ;; If the range of read articles is a single range, then the
6873 ;; first unread article is the article after the last read
6874 ;; article. Sounds logical, doesn't it?
6875 (if (and (not (listp (cdr read)))
6876 (or (< (car read) bottom)
6877 (progn (setq read (list read))
6879 (setq first (max bottom (1+ (cdr read))))
6880 ;; `read' is a list of ranges.
6881 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6884 (setq first bottom))
6887 (push (cons first nlast) unread))
6888 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6889 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6890 (setq read (cdr read)))))
6891 ;; And add the last unread articles.
6892 (cond ((not (and first last))
6895 (push (cons first last) unread))
6897 (push first unread)))
6898 ;; Return the sequence of unread articles.
6899 (delq 0 (nreverse unread))))
6901 ;; Various summary commands
6903 (defun gnus-summary-select-article-buffer ()
6904 "Reconfigure windows to show article buffer."
6906 (if (not (gnus-buffer-live-p gnus-article-buffer))
6907 (error "There is no article buffer for this summary buffer")
6908 (gnus-configure-windows 'article)
6909 (select-window (get-buffer-window gnus-article-buffer))))
6911 (defun gnus-summary-universal-argument (arg)
6912 "Perform any operation on all articles that are process/prefixed."
6914 (let ((articles (gnus-summary-work-articles arg))
6921 (substitute-command-keys
6922 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
6924 (gnus-error 1 "Undefined key")
6927 (gnus-summary-goto-subject (setq article (pop articles)))
6928 (let (gnus-newsgroup-processable)
6929 (command-execute func))
6930 (gnus-summary-remove-process-mark article)))))
6931 (gnus-summary-position-point))
6933 (defun gnus-summary-toggle-truncation (&optional arg)
6934 "Toggle truncation of summary lines.
6935 With ARG, turn line truncation on if ARG is positive."
6937 (setq truncate-lines
6938 (if (null arg) (not truncate-lines)
6939 (> (prefix-numeric-value arg) 0)))
6942 (defun gnus-summary-find-for-reselect ()
6943 "Return the number of an article to stay on across a reselect.
6944 The current article is considered, then following articles, then previous
6945 articles. An article is sought which is not cancelled and isn't a temporary
6946 insertion from another group. If there's no such then return a dummy 0."
6948 (dolist (rev '(nil t))
6949 (unless found ; don't demand the reverse list if we don't need it
6950 (let ((data (gnus-data-find-list
6951 (gnus-summary-article-number) (gnus-data-list rev))))
6952 (while (and data (not found))
6953 (if (and (< 0 (gnus-data-number (car data)))
6954 (not (eq gnus-canceled-mark (gnus-data-mark (car data)))))
6955 (setq found (gnus-data-number (car data))))
6956 (setq data (cdr data))))))
6959 (defun gnus-summary-reselect-current-group (&optional all rescan)
6960 "Exit and then reselect the current newsgroup.
6961 The prefix argument ALL means to select all articles."
6963 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
6964 (error "Ephemeral groups can't be reselected"))
6965 (let ((current-subject (gnus-summary-find-for-reselect))
6966 (group gnus-newsgroup-name))
6967 (setq gnus-newsgroup-begin nil)
6968 (gnus-summary-exit nil 'leave-hidden)
6969 ;; We have to adjust the point of group mode buffer because
6970 ;; point was moved to the next unread newsgroup by exiting.
6971 (gnus-summary-jump-to-group group)
6974 (gnus-group-get-new-news-this-group 1)))
6975 (gnus-group-read-group all t)
6976 (gnus-summary-goto-subject current-subject nil t)))
6978 (defun gnus-summary-rescan-group (&optional all)
6979 "Exit the newsgroup, ask for new articles, and select the newsgroup."
6981 (gnus-summary-reselect-current-group all t))
6983 (defun gnus-summary-update-info (&optional non-destructive)
6985 (let ((group gnus-newsgroup-name))
6987 (when gnus-newsgroup-kill-headers
6988 (setq gnus-newsgroup-killed
6989 (gnus-compress-sequence
6991 (gnus-list-range-intersection
6992 gnus-newsgroup-unselected gnus-newsgroup-killed)
6993 gnus-newsgroup-unreads)
6995 (unless (listp (cdr gnus-newsgroup-killed))
6996 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
6997 (let ((headers gnus-newsgroup-headers))
6998 ;; Set the new ranges of read articles.
6999 (with-current-buffer gnus-group-buffer
7000 (gnus-undo-force-boundary))
7001 (gnus-update-read-articles
7002 group (gnus-sorted-union
7003 gnus-newsgroup-unreads gnus-newsgroup-unselected))
7004 ;; Set the current article marks.
7005 (let ((gnus-newsgroup-scored
7006 (if (and (not gnus-save-score)
7007 (not non-destructive))
7009 gnus-newsgroup-scored)))
7011 (gnus-update-marks)))
7012 ;; Do the cross-ref thing.
7013 (when gnus-use-cross-reference
7014 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
7015 ;; Do not switch windows but change the buffer to work.
7016 (set-buffer gnus-group-buffer)
7017 (unless (gnus-ephemeral-group-p group)
7018 (gnus-group-update-group group)))))))
7020 (defun gnus-summary-save-newsrc (&optional force)
7021 "Save the current number of read/marked articles in the dribble buffer.
7022 The dribble buffer will then be saved.
7023 If FORCE (the prefix), also save the .newsrc file(s)."
7025 (gnus-summary-update-info t)
7027 (gnus-save-newsrc-file)
7028 (gnus-dribble-save)))
7030 (declare-function gnus-cache-write-active "gnus-cache" (&optional force))
7032 (defun gnus-summary-exit (&optional temporary leave-hidden)
7033 "Exit reading current newsgroup, and then return to group selection mode.
7034 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
7036 (gnus-set-global-variables)
7037 (when (gnus-buffer-live-p gnus-article-buffer)
7038 (with-current-buffer gnus-article-buffer
7039 (mm-destroy-parts gnus-article-mime-handles)
7040 ;; Set it to nil for safety reason.
7041 (setq gnus-article-mime-handle-alist nil)
7042 (setq gnus-article-mime-handles nil)))
7043 (gnus-kill-save-kill-buffer)
7044 (gnus-async-halt-prefetch)
7045 (let* ((group gnus-newsgroup-name)
7046 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
7047 (gnus-group-is-exiting-p t)
7050 (buf (current-buffer)))
7052 ;; Do adaptive scoring, and possibly save score files.
7053 (when gnus-newsgroup-adaptive
7054 (gnus-score-adaptive))
7055 (when gnus-use-scoring
7057 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
7058 ;; If we have several article buffers, we kill them at exit.
7059 (unless gnus-single-article-buffer
7060 (when (gnus-buffer-live-p gnus-article-buffer)
7061 (with-current-buffer gnus-article-buffer
7062 ;; Don't kill sticky article buffers
7063 (unless (eq major-mode 'gnus-sticky-article-mode)
7064 (gnus-kill-buffer gnus-article-buffer)
7065 (setq gnus-article-current nil))))
7066 (gnus-kill-buffer gnus-original-article-buffer))
7067 (when gnus-use-cache
7068 (gnus-cache-possibly-remove-articles)
7069 (gnus-cache-save-buffers))
7070 (gnus-async-prefetch-remove-group group)
7071 (when gnus-suppress-duplicates
7072 (gnus-dup-enter-articles))
7073 (when gnus-use-trees
7074 (gnus-tree-close group))
7075 (when gnus-use-cache
7076 (gnus-cache-write-active))
7077 ;; Remove entries for this group.
7078 (nnmail-purge-split-history (gnus-group-real-name group))
7079 ;; Make all changes in this group permanent.
7081 (gnus-run-hooks 'gnus-exit-group-hook)
7082 (gnus-summary-update-info))
7083 (gnus-close-group group)
7084 ;; Make sure where we were, and go to next newsgroup.
7085 (set-buffer gnus-group-buffer)
7087 (gnus-group-jump-to-group group))
7088 (gnus-run-hooks 'gnus-summary-exit-hook)
7089 (unless (or quit-config
7090 (not gnus-summary-next-group-on-exit)
7091 ;; If this group has disappeared from the summary
7092 ;; buffer, don't skip forwards.
7093 (not (string= group (gnus-group-group-name))))
7094 (gnus-group-next-unread-group 1))
7095 (setq group-point (point))
7099 (if (not gnus-kill-summary-on-exit)
7101 (gnus-deaden-summary)
7103 ;; We set all buffer-local variables to nil. It is unclear why
7104 ;; this is needed, but if we don't, buffer-local variables are
7105 ;; not garbage-collected, it seems. This would the lead to en
7106 ;; ever-growing Emacs.
7107 (gnus-summary-clear-local-variables)
7108 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
7109 (gnus-summary-clear-local-variables))
7110 (when (get-buffer gnus-article-buffer)
7111 (bury-buffer gnus-article-buffer))
7112 ;; Return to group mode buffer.
7113 (when (eq mode 'gnus-summary-mode)
7114 (gnus-kill-buffer buf)))
7115 (setq gnus-current-select-method gnus-select-method)
7116 (set-buffer gnus-group-buffer)
7118 (gnus-handle-ephemeral-exit quit-config)
7119 (goto-char group-point)
7120 ;; If gnus-group-buffer is already displayed, make sure we also move
7121 ;; the cursor in the window that displays it.
7122 (let ((win (get-buffer-window (current-buffer) 0)))
7123 (if win (set-window-point win (point))))
7124 (unless leave-hidden
7125 (gnus-configure-windows 'group 'force)))
7126 ;; Clear the current group name.
7128 (setq gnus-newsgroup-name nil)))))
7130 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
7131 (defun gnus-summary-exit-no-update (&optional no-questions)
7132 "Quit reading current newsgroup without updating read article info."
7134 (let* ((group gnus-newsgroup-name)
7135 (gnus-group-is-exiting-p t)
7136 (gnus-group-is-exiting-without-update-p t)
7137 (quit-config (gnus-group-quit-config group)))
7138 (when (or no-questions
7140 (gnus-y-or-n-p "Discard changes to this group and exit? "))
7141 (gnus-async-halt-prefetch)
7142 (run-hooks 'gnus-summary-prepare-exit-hook)
7143 (when (gnus-buffer-live-p gnus-article-buffer)
7144 (with-current-buffer gnus-article-buffer
7145 (mm-destroy-parts gnus-article-mime-handles)
7146 ;; Set it to nil for safety reason.
7147 (setq gnus-article-mime-handle-alist nil)
7148 (setq gnus-article-mime-handles nil)))
7149 ;; If we have several article buffers, we kill them at exit.
7150 (unless gnus-single-article-buffer
7151 (gnus-kill-buffer gnus-article-buffer)
7152 (gnus-kill-buffer gnus-original-article-buffer)
7153 (setq gnus-article-current nil))
7154 (if (not gnus-kill-summary-on-exit)
7155 (gnus-deaden-summary)
7156 (gnus-close-group group)
7157 (gnus-summary-clear-local-variables)
7158 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
7159 (gnus-summary-clear-local-variables))
7160 (gnus-kill-buffer gnus-summary-buffer))
7161 (unless gnus-single-article-buffer
7162 (setq gnus-article-current nil))
7163 (when gnus-use-trees
7164 (gnus-tree-close group))
7165 (gnus-async-prefetch-remove-group group)
7166 (when (get-buffer gnus-article-buffer)
7167 (bury-buffer gnus-article-buffer))
7168 ;; Return to the group buffer.
7169 (gnus-configure-windows 'group 'force)
7170 ;; Clear the current group name.
7171 (setq gnus-newsgroup-name nil)
7172 (unless (gnus-ephemeral-group-p group)
7173 (gnus-group-update-group group))
7174 (when (equal (gnus-group-group-name) group)
7175 (gnus-group-next-unread-group 1))
7177 (gnus-handle-ephemeral-exit quit-config)))))
7179 (defun gnus-handle-ephemeral-exit (quit-config)
7180 "Handle movement when leaving an ephemeral group.
7181 The state which existed when entering the ephemeral is reset."
7182 (if (not (buffer-name (car quit-config)))
7183 (gnus-configure-windows 'group 'force)
7184 (set-buffer (car quit-config))
7185 (cond ((eq major-mode 'gnus-summary-mode)
7186 (gnus-set-global-variables))
7187 ((eq major-mode 'gnus-article-mode)
7188 (save-current-buffer
7189 ;; The `gnus-summary-buffer' variable may point
7190 ;; to the old summary buffer when using a single
7192 (unless (gnus-buffer-live-p gnus-summary-buffer)
7193 (set-buffer gnus-group-buffer))
7194 (set-buffer gnus-summary-buffer)
7195 (gnus-set-global-variables))))
7196 (if (or (eq (cdr quit-config) 'article)
7197 (eq (cdr quit-config) 'pick))
7198 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
7199 (gnus-configure-windows 'pick 'force)
7200 (gnus-configure-windows (cdr quit-config) 'force))
7201 (gnus-configure-windows (cdr quit-config) 'force))
7202 (when (eq major-mode 'gnus-summary-mode)
7203 (if (memq gnus-auto-select-on-ephemeral-exit '(next-noselect
7204 next-unread-noselect))
7205 (when (zerop (cond ((eq gnus-auto-select-on-ephemeral-exit
7207 (gnus-summary-next-subject 1 nil t))
7208 ((eq gnus-auto-select-on-ephemeral-exit
7209 'next-unread-noselect)
7210 (gnus-summary-next-subject 1 t t))))
7211 ;; Hide the article buffer which displays the article different
7212 ;; from the one that the cursor points to in the summary buffer.
7213 (gnus-configure-windows 'summary 'force))
7214 (cond ((eq gnus-auto-select-on-ephemeral-exit 'next)
7215 (gnus-summary-next-subject 1))
7216 ((eq gnus-auto-select-on-ephemeral-exit 'next-unread)
7217 (gnus-summary-next-subject 1 t))))
7218 (gnus-summary-recenter)
7219 (gnus-summary-position-point))))
7223 (defvar gnus-dead-summary-mode-map nil)
7225 (unless gnus-dead-summary-mode-map
7226 (setq gnus-dead-summary-mode-map (make-keymap))
7227 (suppress-keymap gnus-dead-summary-mode-map)
7228 (substitute-key-definition
7229 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
7230 (dolist (key '("\C-d" "\r" "\177" [delete]))
7231 (define-key gnus-dead-summary-mode-map
7232 key 'gnus-summary-wake-up-the-dead))
7233 (dolist (key '("q" "Q"))
7234 (define-key gnus-dead-summary-mode-map key 'bury-buffer)))
7236 (defvar gnus-dead-summary-mode nil
7237 "Minor mode for Gnus summary buffers.")
7239 (defun gnus-dead-summary-mode (&optional arg)
7240 "Minor mode for Gnus summary buffers."
7242 (when (eq major-mode 'gnus-summary-mode)
7243 (make-local-variable 'gnus-dead-summary-mode)
7244 (setq gnus-dead-summary-mode
7245 (if (null arg) (not gnus-dead-summary-mode)
7246 (> (prefix-numeric-value arg) 0)))
7247 (when gnus-dead-summary-mode
7249 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
7251 (defun gnus-deaden-summary ()
7252 "Make the current summary buffer into a dead summary buffer."
7253 ;; Kill any previous dead summary buffer.
7254 (when (and gnus-dead-summary
7255 (buffer-name gnus-dead-summary))
7256 (with-current-buffer gnus-dead-summary
7257 (when gnus-dead-summary-mode
7258 (kill-buffer (current-buffer)))))
7259 ;; Make this the current dead summary.
7260 (setq gnus-dead-summary (current-buffer))
7261 (gnus-dead-summary-mode 1)
7262 (let ((name (buffer-name)))
7263 (when (string-match "Summary" name)
7265 (concat (substring name 0 (match-beginning 0)) "Dead "
7266 (substring name (match-beginning 0)))
7270 (defun gnus-kill-or-deaden-summary (buffer)
7271 "Kill or deaden the summary BUFFER."
7273 (when (and (buffer-name buffer)
7274 (not gnus-single-article-buffer))
7275 (with-current-buffer buffer
7276 (gnus-kill-buffer gnus-article-buffer)
7277 (gnus-kill-buffer gnus-original-article-buffer)))
7280 (gnus-kill-summary-on-exit
7281 (when (and gnus-use-trees
7282 (gnus-buffer-exists-p buffer))
7283 (with-current-buffer buffer
7284 (gnus-tree-close gnus-newsgroup-name)))
7285 (gnus-kill-buffer buffer))
7286 ;; Deaden the buffer.
7287 ((gnus-buffer-exists-p buffer)
7288 (with-current-buffer buffer
7289 (gnus-deaden-summary))))))
7291 (defun gnus-summary-wake-up-the-dead (&rest args)
7292 "Wake up the dead summary buffer."
7294 (gnus-dead-summary-mode -1)
7295 (let ((name (buffer-name)))
7296 (when (string-match "Dead " name)
7298 (concat (substring name 0 (match-beginning 0))
7299 (substring name (match-end 0)))
7301 (gnus-message 3 "This dead summary is now alive again"))
7303 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
7304 (defun gnus-summary-fetch-faq (&optional faq-dir)
7305 "Fetch the FAQ for the current group.
7306 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
7310 (when current-prefix-arg
7312 "FAQ dir: " (and (listp gnus-group-faq-directory)
7314 gnus-group-faq-directory))))))
7315 (let (gnus-faq-buffer)
7316 (when (setq gnus-faq-buffer
7317 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
7318 (gnus-configure-windows 'summary-faq))))
7320 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
7321 (defun gnus-summary-describe-group (&optional force)
7322 "Describe the current newsgroup."
7324 (gnus-group-describe-group force gnus-newsgroup-name))
7326 (defun gnus-summary-describe-briefly ()
7327 "Describe summary mode commands briefly."
7329 (gnus-message 6 (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")))
7331 ;; Walking around group mode buffer from summary mode.
7333 (defun gnus-summary-next-group (&optional no-article target-group backward)
7334 "Exit current newsgroup and then select next unread newsgroup.
7335 If prefix argument NO-ARTICLE is non-nil, no article is selected
7336 initially. If TARGET-GROUP, go to this group. If BACKWARD, go to
7337 previous group instead."
7339 ;; Stop pre-fetching.
7340 (gnus-async-halt-prefetch)
7341 (let ((current-group gnus-newsgroup-name)
7342 (current-buffer (current-buffer))
7344 ;; First we semi-exit this group to update Xrefs and all variables.
7345 ;; We can't do a real exit, because the window conf must remain
7346 ;; the same in case the user is prompted for info, and we don't
7347 ;; want the window conf to change before that...
7348 (gnus-summary-exit t)
7349 (while (not entered)
7350 ;; Then we find what group we are supposed to enter.
7351 (set-buffer gnus-group-buffer)
7352 (gnus-group-jump-to-group current-group)
7355 (if (eq gnus-keep-same-level 'best)
7356 (gnus-summary-best-group gnus-newsgroup-name)
7357 (gnus-summary-search-group backward gnus-keep-same-level))))
7358 (if (not target-group)
7359 ;; There are no further groups, so we return to the group
7362 (gnus-message 5 "Returning to the group buffer")
7364 (when (gnus-buffer-live-p current-buffer)
7365 (set-buffer current-buffer)
7366 (gnus-summary-exit))
7367 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
7368 ;; We try to enter the target group.
7369 (gnus-group-jump-to-group target-group)
7370 (let ((unreads (gnus-group-group-unread)))
7371 (if (and (or (eq t unreads)
7372 (and unreads (not (zerop unreads))))
7373 (gnus-summary-read-group
7374 target-group nil no-article
7375 (and (buffer-name current-buffer) current-buffer)
7378 (setq current-group target-group
7379 target-group nil)))))))
7381 (defun gnus-summary-prev-group (&optional no-article)
7382 "Exit current newsgroup and then select previous unread newsgroup.
7383 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
7385 (gnus-summary-next-group no-article nil t))
7387 ;; Walking around summary lines.
7389 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
7390 "Go to the first subject satisfying any non-nil constraint.
7391 If UNREAD is non-nil, the article should be unread.
7392 If UNDOWNLOADED is non-nil, the article should be undownloaded.
7393 If UNSEEN is non-nil, the article should be unseen.
7394 Returns the article selected or nil if there are no matching articles."
7398 ((null gnus-newsgroup-data)
7399 (gnus-message 3 "No articles in the group")
7401 ;; Pick the first article.
7402 ((not (or unread undownloaded unseen))
7403 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
7404 (gnus-data-number (car gnus-newsgroup-data)))
7405 ;; Find the first unread article.
7407 (let ((data gnus-newsgroup-data))
7409 (let ((num (gnus-data-number (car data))))
7410 (or (memq num gnus-newsgroup-unfetched)
7411 (not (or (and unread
7412 (memq num gnus-newsgroup-unreads))
7414 (memq num gnus-newsgroup-undownloaded))
7416 (memq num gnus-newsgroup-unseen)))))))
7417 (setq data (cdr data)))
7421 (goto-char (gnus-data-pos (car data)))
7422 (gnus-data-number (car data)))
7423 (gnus-message 3 "No more%s articles"
7424 (let* ((r (when unread " unread"))
7425 (d (when undownloaded " undownloaded"))
7426 (s (when unseen " unseen"))
7427 (l (delq nil (list r d s))))
7428 (cond ((= 3 (length l))
7429 (concat r "," d ", or" s))
7431 (concat (car l) ", or" (cadr l)))
7438 (gnus-summary-position-point))))))
7440 (defun gnus-summary-next-subject (n &optional unread dont-display)
7441 "Go to next N'th summary line.
7442 If N is negative, go to the previous N'th subject line.
7443 If UNREAD is non-nil, only unread articles are selected.
7444 The difference between N and the actual number of steps taken is
7447 (let ((backward (< n 0))
7451 (gnus-summary-find-prev unread)
7452 (gnus-summary-find-next unread)))
7453 (unless (zerop (setq n (1- n)))
7454 (gnus-summary-show-thread)))
7456 (gnus-message 7 "No more%s articles"
7457 (if unread " unread" "")))
7458 (unless dont-display
7459 (gnus-summary-recenter)
7460 (gnus-summary-position-point))
7463 (defun gnus-summary-next-unread-subject (n)
7464 "Go to next N'th unread summary line."
7466 (gnus-summary-next-subject n t))
7468 (defun gnus-summary-prev-subject (n &optional unread)
7469 "Go to previous N'th summary line.
7470 If optional argument UNREAD is non-nil, only unread article is selected."
7472 (gnus-summary-next-subject (- n) unread))
7474 (defun gnus-summary-prev-unread-subject (n)
7475 "Go to previous N'th unread summary line."
7477 (gnus-summary-next-subject (- n) t))
7479 (defun gnus-summary-goto-subjects (articles)
7480 "Insert the subject header for ARTICLES in the current buffer."
7482 (dolist (article articles)
7483 (gnus-summary-goto-subject article t)))
7484 (gnus-summary-limit (append articles gnus-newsgroup-limit))
7485 (gnus-summary-position-point))
7487 (defun gnus-summary-goto-subject (article &optional force silent)
7488 "Go to the subject line of ARTICLE.
7489 If FORCE, also allow jumping to articles not currently shown."
7490 (interactive "nArticle number: ")
7491 (unless (numberp article)
7492 (error "Article %s is not a number" article))
7494 (data (gnus-data-find article)))
7495 ;; We read in the article if we have to.
7498 (gnus-summary-insert-subject
7500 (if (or (numberp force) (vectorp force)) force)
7502 (setq data (gnus-data-find article)))
7507 (gnus-message 3 "Can't find article %d" article))
7509 (let ((pt (gnus-data-pos data)))
7511 (gnus-summary-set-article-display-arrow pt))
7512 (gnus-summary-position-point)
7515 ;; Walking around summary lines with displaying articles.
7517 (defun gnus-summary-expand-window (&optional arg)
7518 "Make the summary buffer take up the entire Emacs frame.
7519 Given a prefix, will force an `article' buffer configuration."
7522 (gnus-configure-windows 'article 'force)
7523 (gnus-configure-windows 'summary 'force)))
7525 (defun gnus-summary-display-article (article &optional all-header)
7526 "Display ARTICLE in article buffer."
7527 (unless (and (gnus-buffer-live-p gnus-article-buffer)
7528 (with-current-buffer gnus-article-buffer
7529 (eq major-mode 'gnus-article-mode)))
7530 (gnus-article-setup-buffer))
7531 (gnus-set-global-variables)
7532 (with-current-buffer gnus-article-buffer
7533 (setq gnus-article-charset gnus-newsgroup-charset)
7534 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
7535 (mm-enable-multibyte))
7539 (if gnus-summary-display-article-function
7540 (funcall gnus-summary-display-article-function article all-header)
7541 (gnus-article-prepare article all-header))
7542 (gnus-run-hooks 'gnus-select-article-hook)
7543 (when (and gnus-current-article
7544 (not (zerop gnus-current-article)))
7545 (gnus-summary-goto-subject gnus-current-article))
7546 (gnus-summary-recenter)
7547 (when (and gnus-use-trees gnus-show-threads)
7548 (gnus-possibly-generate-tree article)
7549 (gnus-highlight-selected-tree article))
7550 ;; Successfully display article.
7551 (gnus-article-set-window-start
7552 (cdr (assq article gnus-newsgroup-bookmarks))))))
7554 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
7555 "Select the current article.
7556 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
7557 non-nil, the article will be re-fetched even if it already present in
7558 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
7560 ;; Make sure we are in the summary buffer to work around bbdb bug.
7561 (unless (eq major-mode 'gnus-summary-mode)
7562 (set-buffer gnus-summary-buffer))
7563 (let ((article (or article (gnus-summary-article-number)))
7564 (all-headers (not (not all-headers))) ;Must be t or nil.
7565 gnus-summary-display-article-function)
7567 (gnus-summary-article-pseudo-p article)
7568 (error "This is a pseudo-article"))
7569 (with-current-buffer gnus-summary-buffer
7570 (if (or (and gnus-single-article-buffer
7571 (or (null gnus-current-article)
7572 (null gnus-article-current)
7573 (null (get-buffer gnus-article-buffer))
7574 (not (eq article (cdr gnus-article-current)))
7575 (not (equal (car gnus-article-current)
7576 gnus-newsgroup-name))))
7577 (and (not gnus-single-article-buffer)
7578 (or (null gnus-current-article)
7579 (not (eq gnus-current-article article))))
7581 ;; The requested article is different from the current article.
7583 (gnus-summary-display-article article all-headers)
7584 (when (gnus-buffer-live-p gnus-article-buffer)
7585 (with-current-buffer gnus-article-buffer
7586 (if (not gnus-article-decoded-p) ;; a local variable
7587 (mm-disable-multibyte))))
7588 (gnus-article-set-window-start
7589 (cdr (assq article gnus-newsgroup-bookmarks)))
7593 (defun gnus-summary-force-verify-and-decrypt ()
7594 "Display buttons for signed/encrypted parts and verify/decrypt them."
7596 (let ((mm-verify-option 'known)
7597 (mm-decrypt-option 'known)
7598 (gnus-article-emulate-mime t)
7599 (gnus-buttonized-mime-types (append (list "multipart/signed"
7600 "multipart/encrypted")
7601 gnus-buttonized-mime-types)))
7602 (gnus-summary-select-article nil 'force)))
7604 (defun gnus-summary-set-current-mark (&optional current-mark)
7605 "Obsolete function."
7608 (defun gnus-summary-next-article (&optional unread subject backward push)
7609 "Select the next article.
7610 If UNREAD, only unread articles are selected.
7611 If SUBJECT, only articles with SUBJECT are selected.
7612 If BACKWARD, the previous article is selected instead of the next."
7614 ;; Make sure we are in the summary buffer.
7615 (unless (eq major-mode 'gnus-summary-mode)
7616 (set-buffer gnus-summary-buffer))
7618 ;; Is there such an article?
7619 ((and (gnus-summary-search-forward unread subject backward)
7620 (or (gnus-summary-display-article (gnus-summary-article-number))
7621 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
7622 (gnus-summary-position-point))
7623 ;; If not, we try the first unread, if that is wanted.
7625 gnus-auto-select-same
7626 (gnus-summary-first-unread-article))
7627 (gnus-summary-position-point)
7628 (gnus-message 6 "Wrapped"))
7629 ;; Try to get next/previous article not displayed in this group.
7630 ((and gnus-auto-extend-newsgroup
7631 (not unread) (not subject))
7632 (gnus-summary-goto-article
7633 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
7634 nil (count-lines (point-min) (point))))
7635 ;; Go to next/previous group.
7637 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
7638 (gnus-summary-jump-to-group gnus-newsgroup-name))
7639 (let ((cmd (if (featurep 'xemacs)
7641 last-command-event))
7643 (with-current-buffer gnus-group-buffer
7646 (if (eq gnus-keep-same-level 'best)
7647 (gnus-summary-best-group gnus-newsgroup-name)
7648 (gnus-summary-search-group backward gnus-keep-same-level))))
7649 ;; For some reason, the group window gets selected. We change
7651 (select-window (get-buffer-window (current-buffer)))
7652 ;; Select next unread newsgroup automagically.
7654 ((or (not gnus-auto-select-next)
7656 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
7657 ((or (eq gnus-auto-select-next 'quietly)
7658 (and (eq gnus-auto-select-next 'slightly-quietly)
7660 (and (eq gnus-auto-select-next 'almost-quietly)
7661 (gnus-summary-last-article-p)))
7663 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
7665 (gnus-message 7 "No more%s articles (%s)..."
7666 (if unread " unread" "")
7667 (if group (concat "selecting " group)
7669 (gnus-summary-next-group nil group backward)))
7671 (when (gnus-key-press-event-p last-input-event)
7672 (gnus-summary-walk-group-buffer
7673 gnus-newsgroup-name cmd unread backward point))))))))
7675 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
7676 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
7677 (?\C-p (gnus-group-prev-unread-group 1))))
7678 (cursor-in-echo-area t)
7679 keve key group ended prompt)
7680 (with-current-buffer gnus-group-buffer
7683 (if (eq gnus-keep-same-level 'best)
7684 (gnus-summary-best-group gnus-newsgroup-name)
7685 (gnus-summary-search-group backward gnus-keep-same-level))))
7689 "No more%s articles%s " (if unread " unread" "")
7691 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
7692 (format " (Type %s for %s [%s])"
7693 (single-key-description cmd)
7694 (gnus-group-decoded-name group)
7695 (gnus-group-unread group))
7696 (format " (Type %s to exit %s)"
7697 (single-key-description cmd)
7698 (gnus-group-decoded-name gnus-newsgroup-name)))))
7699 ;; Confirm auto selection.
7700 (setq key (car (setq keve (gnus-read-event-char prompt)))
7703 ((assq key keystrokes)
7704 (let ((obuf (current-buffer)))
7705 (switch-to-buffer gnus-group-buffer)
7707 (gnus-group-jump-to-group group))
7708 (eval (cadr (assq key keystrokes)))
7709 (setq group (gnus-group-group-name))
7710 (switch-to-buffer obuf))
7714 (gnus-ephemeral-group-p gnus-newsgroup-name))
7716 (gnus-summary-next-group nil group backward)))
7718 (push (cdr keve) unread-command-events))))))
7720 (defun gnus-summary-next-unread-article ()
7721 "Select unread article after current one."
7723 (gnus-summary-next-article
7724 (or (not (eq gnus-summary-goto-unread 'never))
7725 (gnus-summary-last-article-p (gnus-summary-article-number)))
7726 (and gnus-auto-select-same
7727 (gnus-summary-article-subject))))
7729 (defun gnus-summary-prev-article (&optional unread subject)
7730 "Select the article before the current one.
7731 If UNREAD is non-nil, only unread articles are selected."
7733 (gnus-summary-next-article unread subject t))
7735 (defun gnus-summary-prev-unread-article ()
7736 "Select unread article before current one."
7738 (gnus-summary-prev-article
7739 (or (not (eq gnus-summary-goto-unread 'never))
7740 (gnus-summary-first-article-p (gnus-summary-article-number)))
7741 (and gnus-auto-select-same
7742 (gnus-summary-article-subject))))
7744 (defun gnus-summary-next-page (&optional lines circular stop)
7745 "Show next page of the selected article.
7746 If at the end of the current article, select the next article.
7747 LINES says how many lines should be scrolled up.
7749 If CIRCULAR is non-nil, go to the start of the article instead of
7750 selecting the next article when reaching the end of the current
7753 If STOP is non-nil, just stop when reaching the end of the message.
7755 Also see the variable `gnus-article-skip-boring'."
7757 (setq gnus-summary-buffer (current-buffer))
7758 (gnus-set-global-variables)
7759 (let ((article (gnus-summary-article-number))
7760 (article-window (get-buffer-window gnus-article-buffer t))
7762 ;; If the buffer is empty, we have no article.
7764 (error "No article to select"))
7765 (gnus-configure-windows 'article)
7766 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
7767 (if (and (eq gnus-summary-goto-unread 'never)
7768 (not (gnus-summary-last-article-p article)))
7769 (gnus-summary-next-article)
7770 (gnus-summary-next-unread-article))
7771 (if (or (null gnus-current-article)
7772 (null gnus-article-current)
7773 (/= article (cdr gnus-article-current))
7774 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7775 ;; Selected subject is different from current article's.
7776 (gnus-summary-display-article article)
7777 (when article-window
7778 (gnus-eval-in-buffer-window gnus-article-buffer
7779 (setq endp (or (gnus-article-next-page lines)
7780 (gnus-article-only-boring-p))))
7783 (gnus-message 3 "End of message"))
7785 (gnus-summary-beginning-of-article))
7787 (gnus-message 3 "End of message"))
7789 (if (and (eq gnus-summary-goto-unread 'never)
7790 (not (gnus-summary-last-article-p article)))
7791 (gnus-summary-next-article)
7792 (gnus-summary-next-unread-article))))))))
7793 (gnus-summary-recenter)
7794 (gnus-summary-position-point)))
7796 (defun gnus-summary-prev-page (&optional lines move)
7797 "Show previous page of selected article.
7798 Argument LINES specifies lines to be scrolled down.
7799 If MOVE, move to the previous unread article if point is at
7800 the beginning of the buffer."
7802 (let ((article (gnus-summary-article-number))
7803 (article-window (get-buffer-window gnus-article-buffer t))
7805 (gnus-configure-windows 'article)
7806 (if (or (null gnus-current-article)
7807 (null gnus-article-current)
7808 (/= article (cdr gnus-article-current))
7809 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7810 ;; Selected subject is different from current article's.
7811 (gnus-summary-display-article article)
7812 (gnus-summary-recenter)
7813 (when article-window
7814 (gnus-eval-in-buffer-window gnus-article-buffer
7815 (setq endp (gnus-article-prev-page lines)))
7816 (when (and move endp)
7818 (gnus-message 3 "Beginning of message"))
7820 (if (and (eq gnus-summary-goto-unread 'never)
7821 (not (gnus-summary-first-article-p article)))
7822 (gnus-summary-prev-article)
7823 (gnus-summary-prev-unread-article))))))))
7824 (gnus-summary-position-point))
7826 (defun gnus-summary-prev-page-or-article (&optional lines)
7827 "Show previous page of selected article.
7828 Argument LINES specifies lines to be scrolled down.
7829 If at the beginning of the article, go to the next article."
7831 (gnus-summary-prev-page lines t))
7833 (defun gnus-summary-scroll-up (lines)
7834 "Scroll up (or down) one line current article.
7835 Argument LINES specifies lines to be scrolled up (or down if negative)."
7837 (gnus-configure-windows 'article)
7838 (gnus-summary-show-thread)
7839 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
7840 (gnus-eval-in-buffer-window gnus-article-buffer
7842 (when (gnus-article-next-page lines)
7843 (gnus-message 3 "End of message")))
7845 (gnus-article-prev-page (- lines))))))
7846 (gnus-summary-recenter)
7847 (gnus-summary-position-point))
7849 (defun gnus-summary-scroll-down (lines)
7850 "Scroll down (or up) one line current article.
7851 Argument LINES specifies lines to be scrolled down (or up if negative)."
7853 (gnus-summary-scroll-up (- lines)))
7855 (defun gnus-summary-next-same-subject ()
7856 "Select next article which has the same subject as current one."
7858 (gnus-summary-next-article nil (gnus-summary-article-subject)))
7860 (defun gnus-summary-prev-same-subject ()
7861 "Select previous article which has the same subject as current one."
7863 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
7865 (defun gnus-summary-next-unread-same-subject ()
7866 "Select next unread article which has the same subject as current one."
7868 (gnus-summary-next-article t (gnus-summary-article-subject)))
7870 (defun gnus-summary-prev-unread-same-subject ()
7871 "Select previous unread article which has the same subject as current one."
7873 (gnus-summary-prev-article t (gnus-summary-article-subject)))
7875 (defun gnus-summary-first-unread-article ()
7876 "Select the first unread article.
7877 Return nil if there are no unread articles."
7880 (when (gnus-summary-first-subject t)
7881 (gnus-summary-show-thread)
7882 (gnus-summary-first-subject t)
7883 (gnus-summary-display-article (gnus-summary-article-number)))
7884 (gnus-summary-position-point)))
7886 (defun gnus-summary-first-unread-subject ()
7887 "Place the point on the subject line of the first unread article.
7888 Return nil if there are no unread articles."
7891 (when (gnus-summary-first-subject t)
7892 (gnus-summary-show-thread)
7893 (gnus-summary-first-subject t))
7894 (gnus-summary-position-point)))
7896 (defun gnus-summary-first-unseen-subject ()
7897 "Place the point on the subject line of the first unseen article.
7898 Return nil if there are no unseen articles."
7901 (when (gnus-summary-first-subject nil nil t)
7902 (gnus-summary-show-thread)
7903 (gnus-summary-first-subject nil nil t))
7904 (gnus-summary-position-point)))
7906 (defun gnus-summary-first-unseen-or-unread-subject ()
7907 "Place the point on the subject line of the first unseen article or,
7908 if all article have been seen, on the subject line of the first unread
7912 (unless (when (gnus-summary-first-subject nil nil t)
7913 (gnus-summary-show-thread)
7914 (gnus-summary-first-subject nil nil t))
7915 (when (gnus-summary-first-subject t)
7916 (gnus-summary-show-thread)
7917 (gnus-summary-first-subject t)))
7918 (gnus-summary-position-point)))
7920 (defun gnus-summary-first-article ()
7921 "Select the first article.
7922 Return nil if there are no articles."
7925 (when (gnus-summary-first-subject)
7926 (gnus-summary-show-thread)
7927 (gnus-summary-first-subject)
7928 (gnus-summary-display-article (gnus-summary-article-number)))
7929 (gnus-summary-position-point)))
7931 (defun gnus-summary-best-unread-article (&optional arg)
7932 "Select the unread article with the highest score.
7933 If given a prefix argument, select the next unread article that has a
7934 score higher than the default score."
7936 (let ((article (if arg
7937 (gnus-summary-better-unread-subject)
7938 (gnus-summary-best-unread-subject))))
7940 (gnus-summary-goto-article article)
7941 (error "No unread articles"))))
7943 (defun gnus-summary-best-unread-subject ()
7944 "Select the unread subject with the highest score."
7946 (let ((best -1000000)
7947 (data gnus-newsgroup-data)
7950 (and (gnus-data-unread-p (car data))
7952 (gnus-summary-article-score (gnus-data-number (car data))))
7955 article (gnus-data-number (car data))))
7956 (setq data (cdr data)))
7958 (gnus-summary-goto-subject article))
7959 (gnus-summary-position-point)
7962 (defun gnus-summary-better-unread-subject ()
7963 "Select the first unread subject that has a score over the default score."
7965 (let ((data gnus-newsgroup-data)
7967 (while (and (setq article (gnus-data-number (car data)))
7968 (or (gnus-data-read-p (car data))
7969 (not (> (gnus-summary-article-score article)
7970 gnus-summary-default-score))))
7971 (setq data (cdr data)))
7973 (gnus-summary-goto-subject article))
7974 (gnus-summary-position-point)
7977 (defun gnus-summary-last-subject ()
7978 "Go to the last displayed subject line in the group."
7979 (let ((article (gnus-data-number (car (gnus-data-list t)))))
7981 (gnus-summary-goto-subject article))))
7983 (defun gnus-summary-goto-article (article &optional all-headers force)
7984 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
7985 If ALL-HEADERS is non-nil, no header lines are hidden.
7986 If FORCE, go to the article even if it isn't displayed. If FORCE
7987 is a number, it is the line the article is to be displayed on."
7991 "Article number or Message-ID: "
7992 (mapcar (lambda (number) (list (int-to-string number)))
7993 gnus-newsgroup-limit))
7997 (if (and (stringp article)
7998 (string-match "@\\|%40" article))
7999 (gnus-summary-refer-article article)
8000 (when (stringp article)
8001 (setq article (string-to-number article)))
8002 (if (gnus-summary-goto-subject article force)
8003 (gnus-summary-display-article article all-headers)
8004 (gnus-message 4 "Couldn't go to article %s" article) nil))
8005 (gnus-summary-position-point)))
8007 (defun gnus-summary-goto-last-article ()
8008 "Go to the previously read article."
8011 (when gnus-last-article
8012 (gnus-summary-goto-article gnus-last-article nil t))
8013 (gnus-summary-position-point)))
8015 (defun gnus-summary-pop-article (number)
8016 "Pop one article off the history and go to the previous.
8017 NUMBER articles will be popped off."
8020 (setq gnus-newsgroup-history
8021 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
8023 (gnus-summary-goto-article (car to) nil t)
8024 (error "Article history empty")))
8025 (gnus-summary-position-point))
8027 ;; Summary commands and functions for limiting the summary buffer.
8029 (defun gnus-summary-limit-to-articles (n)
8030 "Limit the summary buffer to the next N articles.
8031 If not given a prefix, use the process marked articles instead."
8034 (let ((articles (gnus-summary-work-articles n)))
8035 (setq gnus-newsgroup-processable nil)
8036 (gnus-summary-limit articles))
8037 (gnus-summary-position-point)))
8039 (defun gnus-summary-pop-limit (&optional total)
8040 "Restore the previous limit.
8041 If given a prefix, remove all limits."
8044 (setq gnus-newsgroup-limits
8045 (list (mapcar (lambda (h) (mail-header-number h))
8046 gnus-newsgroup-headers))))
8047 (unless gnus-newsgroup-limits
8048 (error "No limit to pop"))
8050 (gnus-summary-limit nil 'pop)
8051 (gnus-summary-position-point)))
8053 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
8054 "Limit the summary buffer to articles that have subjects that match a regexp.
8055 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
8057 (list (read-string (if current-prefix-arg
8058 "Exclude subject (regexp): "
8059 "Limit to subject (regexp): "))
8060 nil current-prefix-arg))
8062 (setq header "subject"))
8063 (when (not (equal "" subject))
8065 (let ((articles (gnus-summary-find-matching
8066 (or header "subject") subject 'all nil nil
8069 (error "Found no matches for \"%s\"" subject))
8070 (gnus-summary-limit articles))
8071 (gnus-summary-position-point))))
8073 (defun gnus-summary-limit-to-author (from &optional not-matching)
8074 "Limit the summary buffer to articles that have authors that match a regexp.
8075 If NOT-MATCHING, excluding articles that have authors that match a regexp."
8077 (list (read-string (if current-prefix-arg
8078 "Exclude author (regexp): "
8079 "Limit to author (regexp): "))
8080 current-prefix-arg))
8081 (gnus-summary-limit-to-subject from "from" not-matching))
8083 (defun gnus-summary-limit-to-recipient (recipient &optional not-matching)
8084 "Limit the summary buffer to articles with the given RECIPIENT.
8086 If NOT-MATCHING, exclude RECIPIENT.
8088 To and Cc headers are checked. You need to include them in
8089 `nnmail-extra-headers'."
8090 ;; Unlike `rmail-summary-by-recipients', doesn't include From.
8092 (list (read-string (format "%s recipient (regexp): "
8093 (if current-prefix-arg "Exclude" "Limit to")))
8094 current-prefix-arg))
8095 (when (not (equal "" recipient))
8097 (if (memq 'To nnmail-extra-headers)
8098 (gnus-summary-find-matching
8099 (cons 'extra 'To) recipient 'all nil nil
8102 1 "`To' isn't present in `nnmail-extra-headers'")
8106 (if (memq 'Cc nnmail-extra-headers)
8107 (gnus-summary-find-matching
8108 (cons 'extra 'Cc) recipient 'all nil nil
8111 1 "`Cc' isn't present in `nnmail-extra-headers'")
8116 ;; We need the numbers that are in both lists:
8118 (and (memq a to) a))
8122 (error "Found no matches for \"%s\"" recipient))
8123 (gnus-summary-limit articles))
8124 (gnus-summary-position-point))))
8126 (defun gnus-summary-limit-to-address (address &optional not-matching)
8127 "Limit the summary buffer to articles with the given ADDRESS.
8129 If NOT-MATCHING, exclude ADDRESS.
8131 To, Cc and From headers are checked. You need to include `To' and `Cc'
8132 in `nnmail-extra-headers'."
8134 (list (read-string (format "%s address (regexp): "
8135 (if current-prefix-arg "Exclude" "Limit to")))
8136 current-prefix-arg))
8137 (when (not (equal "" address))
8139 (if (memq 'To nnmail-extra-headers)
8140 (gnus-summary-find-matching
8141 (cons 'extra 'To) address 'all nil nil
8144 1 "`To' isn't present in `nnmail-extra-headers'")
8148 (if (memq 'Cc nnmail-extra-headers)
8149 (gnus-summary-find-matching
8150 (cons 'extra 'Cc) address 'all nil nil
8153 1 "`Cc' isn't present in `nnmail-extra-headers'")
8157 (gnus-summary-find-matching "from" address
8158 'all nil nil not-matching))
8161 ;; We need the numbers that are in all lists:
8165 (mapcar (lambda (a) (car (memq a from))) to))
8167 (mapcar (lambda (a) (car (memq a from))) cc)
8168 (mapcar (lambda (a) (car (memq a from)))
8169 (mapcar (lambda (a) (car (memq a to)))
8171 (nconc (if (eq to t) nil to)
8172 (if (eq cc t) nil cc)
8175 (error "Found no matches for \"%s\"" address))
8176 (gnus-summary-limit articles))
8177 (gnus-summary-position-point))))
8179 (defun gnus-summary-limit-strange-charsets-predicate (header)
8180 (let ((string (concat (mail-header-subject header)
8181 (mail-header-from header)))
8183 (dotimes (i (1- (length string)))
8184 (setq charset (format "%s" (char-charset (aref string (1+ i)))))
8185 (when (string-match "unicode\\|big\\|japanese" charset)
8189 (defun gnus-summary-limit-to-predicate (predicate)
8190 "Limit to articles where PREDICATE returns non-nil.
8191 PREDICATE will be called with the header structures of the
8193 (let ((articles nil)
8194 (case-fold-search t))
8195 (dolist (header gnus-newsgroup-headers)
8196 (when (funcall predicate header)
8197 (push (mail-header-number header) articles)))
8198 (gnus-summary-limit (nreverse articles))))
8200 (defun gnus-summary-limit-to-age (age &optional younger-p)
8201 "Limit the summary buffer to articles that are older than (or equal) AGE days.
8202 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
8203 articles that are younger than AGE days."
8205 (let ((younger current-prefix-arg)
8208 (while (not days-got)
8209 (setq days (if younger
8210 (read-string "Limit to articles younger than (in days, older when negative): ")
8212 "Limit to articles older than (in days, younger when negative): ")))
8213 (when (> (length days) 0)
8214 (setq days (read days)))
8219 (setq younger (not younger))
8220 (setq days (* days -1))))
8221 (message "Please enter a number.")
8223 (list days younger)))
8225 (let ((data gnus-newsgroup-data)
8226 (cutoff (days-to-time age))
8227 articles d date is-younger)
8228 (while (setq d (pop data))
8229 (when (and (vectorp (gnus-data-header d))
8230 (setq date (mail-header-date (gnus-data-header d))))
8231 (setq is-younger (time-less-p
8232 (time-since (condition-case ()
8239 (push (gnus-data-number d) articles))))
8240 (gnus-summary-limit (nreverse articles)))
8241 (gnus-summary-position-point)))
8243 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
8244 "Limit the summary buffer to articles that match an 'extra' header."
8248 (gnus-completing-read-with-default
8249 (symbol-name (car gnus-extra-headers))
8250 (if current-prefix-arg
8251 "Exclude extra header"
8252 "Limit extra header")
8254 (cons (symbol-name x) x))
8259 (read-string (format "%s header %s (regexp): "
8260 (if current-prefix-arg "Exclude" "Limit to")
8262 current-prefix-arg)))
8263 (when (not (equal "" regexp))
8265 (let ((articles (gnus-summary-find-matching
8266 (cons 'extra header) regexp 'all nil nil
8269 (error "Found no matches for \"%s\"" regexp))
8270 (gnus-summary-limit articles))
8271 (gnus-summary-position-point))))
8273 (defun gnus-summary-limit-to-display-predicate ()
8274 "Limit the summary buffer to the predicated in the `display' group parameter."
8276 (unless gnus-newsgroup-display
8277 (error "There is no `display' group parameter"))
8279 (dolist (number gnus-newsgroup-articles)
8280 (when (funcall gnus-newsgroup-display)
8281 (push number articles)))
8282 (gnus-summary-limit articles))
8283 (gnus-summary-position-point))
8285 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
8287 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
8289 (defun gnus-summary-limit-to-unread (&optional all)
8290 "Limit the summary buffer to articles that are not marked as read.
8291 If ALL is non-nil, limit strictly to unread articles."
8294 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
8295 (gnus-summary-limit-to-marks
8296 ;; Concat all the marks that say that an article is read and have
8298 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
8299 gnus-killed-mark gnus-spam-mark gnus-kill-file-mark
8300 gnus-low-score-mark gnus-expirable-mark
8301 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
8302 gnus-duplicate-mark gnus-souped-mark)
8305 (defun gnus-summary-limit-to-headers (match &optional reverse)
8306 "Limit the summary buffer to articles that have headers that match MATCH.
8307 If REVERSE (the prefix), limit to articles that don't match."
8308 (interactive "sMatch headers (regexp): \nP")
8309 (gnus-summary-limit-to-bodies match reverse t))
8311 (defun gnus-summary-limit-to-bodies (match &optional reverse headersp)
8312 "Limit the summary buffer to articles that have bodies that match MATCH.
8313 If REVERSE (the prefix), limit to articles that don't match."
8314 (interactive "sMatch body (regexp): \nP")
8315 (let ((articles nil)
8316 (gnus-select-article-hook nil) ;Disable hook.
8317 (gnus-article-prepare-hook nil)
8318 (gnus-use-article-prefetch nil)
8319 (gnus-keep-backlog nil)
8320 (gnus-break-pages nil)
8321 (gnus-summary-display-arrow nil)
8322 (gnus-updated-mode-lines nil)
8323 (gnus-auto-center-summary nil)
8324 (gnus-display-mime-function nil))
8325 (dolist (data gnus-newsgroup-data)
8326 (let (gnus-mark-article-hook)
8327 (gnus-summary-select-article t t nil (gnus-data-number data)))
8329 (set-buffer gnus-article-buffer)
8331 (let* ((case-fold-search t)
8333 (re-search-backward match nil t)
8334 (re-search-forward match nil t))))
8335 (when (or (and found
8339 (push (gnus-data-number data) articles)))))
8341 (message "No messages matched")
8342 (gnus-summary-limit articles)))
8343 (gnus-summary-position-point))
8345 (defun gnus-summary-limit-to-singletons (&optional threadsp)
8346 "Limit the summary buffer to articles that aren't part on any thread.
8347 If THREADSP (the prefix), limit to articles that are in threads."
8349 (let ((articles nil)
8352 (dolist (thread gnus-newsgroup-threads)
8353 (if (stringp (car thread))
8354 (dolist (thread (cdr thread))
8355 (push thread threads))
8356 (push thread threads)))
8357 (dolist (thread threads)
8358 (setq thread-articles (gnus-articles-in-thread thread))
8359 (when (or (and threadsp
8360 (> (length thread-articles) 1))
8362 (= (length thread-articles) 1)))
8363 (setq articles (nconc thread-articles articles))))
8365 (message "No messages matched")
8366 (gnus-summary-limit articles))
8367 (gnus-summary-position-point)))
8369 (defun gnus-summary-limit-to-replied (&optional unreplied)
8370 "Limit the summary buffer to replied articles.
8371 If UNREPLIED (the prefix), limit to unreplied articles."
8375 (gnus-set-difference gnus-newsgroup-articles
8376 gnus-newsgroup-replied))
8377 (gnus-summary-limit gnus-newsgroup-replied))
8378 (gnus-summary-position-point))
8380 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
8381 (make-obsolete 'gnus-summary-delete-marked-with
8382 'gnus-summary-limit-exclude-marks)
8384 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
8385 "Exclude articles that are marked with MARKS (e.g. \"DK\").
8386 If REVERSE, limit the summary buffer to articles that are marked
8387 with MARKS. MARKS can either be a string of marks or a list of marks.
8388 Returns how many articles were removed."
8389 (interactive "sMarks: ")
8390 (gnus-summary-limit-to-marks marks t))
8392 (defun gnus-summary-limit-to-marks (marks &optional reverse)
8393 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
8394 If REVERSE (the prefix), limit the summary buffer to articles that are
8395 not marked with MARKS. MARKS can either be a string of marks or a
8397 Returns how many articles were removed."
8398 (interactive "sMarks: \nP")
8400 (let ((data gnus-newsgroup-data)
8401 (marks (if (listp marks) marks
8402 (append marks nil))) ; Transform to list.
8405 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
8406 (memq (gnus-data-mark (car data)) marks))
8407 (push (gnus-data-number (car data)) articles))
8408 (setq data (cdr data)))
8409 (gnus-summary-limit articles))
8410 (gnus-summary-position-point)))
8412 (defun gnus-summary-limit-to-score (score)
8413 "Limit to articles with score at or above SCORE."
8414 (interactive "NLimit to articles with score of at least: ")
8415 (let ((data gnus-newsgroup-data)
8418 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
8420 (push (gnus-data-number (car data)) articles))
8421 (setq data (cdr data)))
8423 (gnus-summary-limit articles)
8424 (gnus-summary-position-point))))
8426 (defun gnus-summary-limit-to-unseen ()
8427 "Limit to unseen articles."
8430 (gnus-summary-limit gnus-newsgroup-unseen)
8431 (gnus-summary-position-point)))
8433 (defun gnus-summary-limit-include-thread (id)
8434 "Display all the hidden articles that is in the thread with ID in it.
8435 When called interactively, ID is the Message-ID of the current
8437 (interactive (list (mail-header-id (gnus-summary-article-header))))
8438 (let ((articles (gnus-articles-in-thread
8439 (gnus-id-to-thread (gnus-root-id id)))))
8441 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
8442 (gnus-summary-limit-include-matching-articles
8444 (regexp-quote (gnus-simplify-subject-re
8445 (mail-header-subject (gnus-id-to-header id)))))
8446 (gnus-summary-position-point))))
8448 (defun gnus-summary-limit-include-matching-articles (header regexp)
8449 "Display all the hidden articles that have HEADERs that match REGEXP."
8450 (interactive (list (read-string "Match on header: ")
8451 (read-string "Regexp: ")))
8452 (let ((articles (gnus-find-matching-articles header regexp)))
8454 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
8455 (gnus-summary-position-point))))
8457 (defun gnus-summary-insert-dormant-articles ()
8458 "Insert all the dormant articles for this group into the current buffer."
8460 (let ((gnus-verbose (max 6 gnus-verbose)))
8461 (if (not gnus-newsgroup-dormant)
8462 (gnus-message 3 "No dormant articles for this group")
8463 (gnus-summary-goto-subjects gnus-newsgroup-dormant))))
8465 (defun gnus-summary-insert-ticked-articles ()
8466 "Insert ticked articles for this group into the current buffer."
8468 (let ((gnus-verbose (max 6 gnus-verbose)))
8469 (if (not gnus-newsgroup-marked)
8470 (gnus-message 3 "No ticked articles for this group")
8471 (gnus-summary-goto-subjects gnus-newsgroup-marked))))
8473 (defun gnus-summary-limit-include-dormant ()
8474 "Display all the hidden articles that are marked as dormant.
8475 Note that this command only works on a subset of the articles currently
8476 fetched for this group."
8478 (unless gnus-newsgroup-dormant
8479 (error "There are no dormant articles in this group"))
8481 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
8482 (gnus-summary-position-point)))
8484 (defun gnus-summary-limit-exclude-dormant ()
8485 "Hide all dormant articles."
8488 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
8489 (gnus-summary-position-point)))
8491 (defun gnus-summary-limit-exclude-childless-dormant ()
8492 "Hide all dormant articles that have no children."
8494 (let ((data (gnus-data-list t))
8495 articles d children)
8496 ;; Find all articles that are either not dormant or have
8498 (while (setq d (pop data))
8499 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
8501 (gnus-article-children (gnus-data-number d)))
8504 (when (memq (car children) articles)
8509 (push (gnus-data-number d) articles)))
8512 (gnus-summary-limit articles)
8513 (gnus-summary-position-point))))
8515 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
8516 "Mark all unread excluded articles as read.
8517 If ALL, mark even excluded ticked and dormants as read."
8519 (setq gnus-newsgroup-limit (sort gnus-newsgroup-limit '<))
8520 (let ((articles (gnus-sorted-ndifference
8522 (mapcar (lambda (h) (mail-header-number h))
8523 gnus-newsgroup-headers)
8525 gnus-newsgroup-limit))
8527 (setq gnus-newsgroup-unreads
8528 (gnus-sorted-intersection gnus-newsgroup-unreads
8529 gnus-newsgroup-limit))
8531 (setq gnus-newsgroup-dormant nil
8532 gnus-newsgroup-marked nil
8533 gnus-newsgroup-reads
8535 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
8536 gnus-newsgroup-reads))
8537 (while (setq article (pop articles))
8538 (unless (or (memq article gnus-newsgroup-dormant)
8539 (memq article gnus-newsgroup-marked))
8540 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
8542 (defun gnus-summary-limit (articles &optional pop)
8544 ;; We pop the previous limit off the stack and use that.
8545 (setq articles (car gnus-newsgroup-limits)
8546 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
8547 ;; We use the new limit, so we push the old limit on the stack.
8548 (push gnus-newsgroup-limit gnus-newsgroup-limits))
8550 (setq gnus-newsgroup-limit articles)
8551 (let ((total (length gnus-newsgroup-data))
8552 (data (gnus-data-find-list (gnus-summary-article-number)))
8553 (gnus-summary-mark-below nil) ; Inhibit this.
8555 ;; This will do all the work of generating the new summary buffer
8556 ;; according to the new limit.
8557 (gnus-summary-prepare)
8558 ;; Hide any threads, possibly.
8559 (gnus-summary-maybe-hide-threads)
8560 ;; Try to return to the article you were at, or one in the
8563 ;; We try to find some article after the current one.
8565 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
8568 (setq data (cdr data))))
8570 ;; If there is no data, that means that we were after the last
8571 ;; article. The same goes when we can't find any articles
8572 ;; after the current one.
8573 (goto-char (point-max))
8574 (gnus-summary-find-prev))
8575 (gnus-set-mode-line 'summary)
8576 ;; We return how many articles were removed from the summary
8577 ;; buffer as a result of the new limit.
8578 (- total (length gnus-newsgroup-data))))
8580 (defsubst gnus-invisible-cut-children (threads)
8583 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
8588 (defsubst gnus-cut-thread (thread)
8589 "Go forwards in the thread until we find an article that we want to display."
8590 (when (or (eq gnus-fetch-old-headers 'some)
8591 (eq gnus-fetch-old-headers 'invisible)
8592 (numberp gnus-fetch-old-headers)
8593 (eq gnus-build-sparse-threads 'some)
8594 (eq gnus-build-sparse-threads 'more))
8595 ;; Deal with old-fetched headers and sparse threads.
8599 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
8600 (gnus-summary-article-ancient-p
8601 (mail-header-number (car thread))))
8602 (if (or (<= (length (cdr thread)) 1)
8603 (eq gnus-fetch-old-headers 'invisible))
8604 (setq gnus-newsgroup-limit
8605 (delq (mail-header-number (car thread))
8606 gnus-newsgroup-limit)
8607 thread (cadr thread))
8608 (when (gnus-invisible-cut-children (cdr thread))
8609 (let ((th (cdr thread)))
8611 (if (memq (mail-header-number (caar th))
8612 gnus-newsgroup-limit)
8613 (setq thread (car th)
8615 (setq th (cdr th))))))))))
8618 (defun gnus-cut-threads (threads)
8619 "Cut off all uninteresting articles from the beginning of THREADS."
8620 (when (or (eq gnus-fetch-old-headers 'some)
8621 (eq gnus-fetch-old-headers 'invisible)
8622 (numberp gnus-fetch-old-headers)
8623 (eq gnus-build-sparse-threads 'some)
8624 (eq gnus-build-sparse-threads 'more))
8627 (setcar th (gnus-cut-thread (car th)))
8628 (setq th (cdr th)))))
8629 ;; Remove nixed out threads.
8632 (defun gnus-summary-initial-limit (&optional show-if-empty)
8633 "Figure out what the initial limit is supposed to be on group entry.
8634 This entails weeding out unwanted dormants, low-scored articles,
8635 fetch-old-headers verbiage, and so on."
8636 ;; Most groups have nothing to remove.
8637 (unless (or gnus-inhibit-limiting
8638 (and (null gnus-newsgroup-dormant)
8639 (eq gnus-newsgroup-display 'gnus-not-ignore)
8640 (not (eq gnus-fetch-old-headers 'some))
8641 (not (numberp gnus-fetch-old-headers))
8642 (not (eq gnus-fetch-old-headers 'invisible))
8643 (null gnus-summary-expunge-below)
8644 (not (eq gnus-build-sparse-threads 'some))
8645 (not (eq gnus-build-sparse-threads 'more))
8646 (null gnus-thread-expunge-below)
8647 (not gnus-use-nocem)))
8648 (push gnus-newsgroup-limit gnus-newsgroup-limits)
8649 (setq gnus-newsgroup-limit nil)
8652 (unless (car (symbol-value node))
8653 ;; These threads have no parents -- they are roots.
8654 (let ((nodes (cdr (symbol-value node)))
8657 (if (and gnus-thread-expunge-below
8658 (< (gnus-thread-total-score (car nodes))
8659 gnus-thread-expunge-below))
8660 (gnus-expunge-thread (pop nodes))
8661 (setq thread (pop nodes))
8662 (gnus-summary-limit-children thread))))))
8663 gnus-newsgroup-dependencies)
8664 ;; If this limitation resulted in an empty group, we might
8665 ;; pop the previous limit and use it instead.
8666 (when (and (not gnus-newsgroup-limit)
8668 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
8669 gnus-newsgroup-limit))
8671 (defun gnus-summary-limit-children (thread)
8672 "Return 1 if this subthread is visible and 0 if it is not."
8673 ;; First we get the number of visible children to this thread. This
8674 ;; is done by recursing down the thread using this function, so this
8675 ;; will really go down to a leaf article first, before slowly
8676 ;; working its way up towards the root.
8678 (let* ((max-lisp-eval-depth (max 5000 max-lisp-eval-depth))
8681 (apply '+ (mapcar 'gnus-summary-limit-children
8684 (number (mail-header-number (car thread)))
8687 (not (memq number gnus-newsgroup-marked))
8689 ;; If this article is dormant and has absolutely no visible
8690 ;; children, then this article isn't visible.
8691 (and (memq number gnus-newsgroup-dormant)
8693 ;; If this is "fetch-old-headered" and there is no
8694 ;; visible children, then we don't want this article.
8695 (and (or (eq gnus-fetch-old-headers 'some)
8696 (numberp gnus-fetch-old-headers))
8697 (gnus-summary-article-ancient-p number)
8699 ;; If this is "fetch-old-headered" and `invisible', then
8700 ;; we don't want this article.
8701 (and (eq gnus-fetch-old-headers 'invisible)
8702 (gnus-summary-article-ancient-p number))
8703 ;; If this is a sparsely inserted article with no children,
8704 ;; we don't want it.
8705 (and (eq gnus-build-sparse-threads 'some)
8706 (gnus-summary-article-sparse-p number)
8708 ;; If we use expunging, and this article is really
8709 ;; low-scored, then we don't want this article.
8710 (when (and gnus-summary-expunge-below
8712 (or (cdr (assq number gnus-newsgroup-scored))
8713 gnus-summary-default-score))
8714 gnus-summary-expunge-below))
8715 ;; We increase the expunge-tally here, but that has
8716 ;; nothing to do with the limits, really.
8717 (incf gnus-newsgroup-expunged-tally)
8718 ;; We also mark as read here, if that's wanted.
8719 (when (and gnus-summary-mark-below
8720 (< score gnus-summary-mark-below))
8721 (setq gnus-newsgroup-unreads
8722 (delq number gnus-newsgroup-unreads))
8723 (if gnus-newsgroup-auto-expire
8724 (push number gnus-newsgroup-expirable)
8725 (push (cons number gnus-low-score-mark)
8726 gnus-newsgroup-reads)))
8728 ;; Do the `display' group parameter.
8729 (and gnus-newsgroup-display
8730 (not (funcall gnus-newsgroup-display)))
8731 ;; Check NoCeM things.
8732 (when (and gnus-use-nocem
8733 (gnus-nocem-unwanted-article-p
8734 (mail-header-id (car thread))))
8735 (setq gnus-newsgroup-unreads
8736 (delq number gnus-newsgroup-unreads))
8738 ;; Nope, invisible article.
8740 ;; Ok, this article is to be visible, so we add it to the limit
8742 (push number gnus-newsgroup-limit)
8745 (defun gnus-expunge-thread (thread)
8746 "Mark all articles in THREAD as read."
8747 (let* ((number (mail-header-number (car thread))))
8748 (incf gnus-newsgroup-expunged-tally)
8749 ;; We also mark as read here, if that's wanted.
8750 (setq gnus-newsgroup-unreads
8751 (delq number gnus-newsgroup-unreads))
8752 (if gnus-newsgroup-auto-expire
8753 (push number gnus-newsgroup-expirable)
8754 (push (cons number gnus-low-score-mark)
8755 gnus-newsgroup-reads)))
8756 ;; Go recursively through all subthreads.
8757 (mapcar 'gnus-expunge-thread (cdr thread)))
8759 ;; Summary article oriented commands
8761 (defun gnus-summary-refer-parent-article (n)
8762 "Refer parent article N times.
8763 If N is negative, go to ancestor -N instead.
8764 The difference between N and the number of articles fetched is returned."
8768 (when (not (natnump n))
8773 (setq header (gnus-summary-article-header))
8774 (if (and (eq (mail-header-number header)
8775 (cdr gnus-article-current))
8776 (equal gnus-newsgroup-name
8777 (car gnus-article-current)))
8778 ;; If we try to find the parent of the currently
8779 ;; displayed article, then we take a look at the actual
8780 ;; References header, since this is slightly more
8781 ;; reliable than the References field we got from the
8783 (with-current-buffer gnus-original-article-buffer
8784 (nnheader-narrow-to-headers)
8785 (unless (setq ref (message-fetch-field "references"))
8786 (when (setq ref (message-fetch-field "in-reply-to"))
8787 (setq ref (gnus-extract-message-id-from-in-reply-to ref))))
8790 ;; It's not the current article, so we take a bet on
8791 ;; the value we got from the server.
8792 (mail-header-references header)))
8794 (not (equal ref "")))
8795 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
8796 (gnus-message 1 "Couldn't find parent"))
8797 (gnus-message 1 "No references in article %d"
8798 (gnus-summary-article-number))
8801 (gnus-summary-position-point)
8804 (defun gnus-summary-refer-references ()
8805 "Fetch all articles mentioned in the References header.
8806 Return the number of articles fetched."
8808 (let ((ref (mail-header-references (gnus-summary-article-header)))
8809 (current (gnus-summary-article-number))
8813 (error "No References in the current article")
8814 ;; For each Message-ID in the References header...
8815 (while (string-match "<[^>]*>" ref)
8817 ;; ... fetch that article.
8818 (gnus-summary-refer-article
8819 (prog1 (match-string 0 ref)
8820 (setq ref (substring ref (match-end 0))))))
8821 (gnus-summary-goto-subject current)
8822 (gnus-summary-position-point)
8825 (defun gnus-summary-refer-thread (&optional limit)
8826 "Fetch all articles in the current thread.
8827 If LIMIT (the numerical prefix), fetch that many old headers instead
8828 of what's specified by the `gnus-refer-thread-limit' variable."
8830 (let ((id (mail-header-id (gnus-summary-article-header)))
8831 (limit (if limit (prefix-numeric-value limit)
8832 gnus-refer-thread-limit)))
8833 (unless (eq gnus-fetch-old-headers 'invisible)
8834 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
8835 ;; Retrieve the headers and read them in.
8836 (if (eq (if (numberp limit)
8837 (gnus-retrieve-headers
8839 (+ (mail-header-number
8840 (gnus-summary-article-header))
8842 gnus-newsgroup-end))
8843 gnus-newsgroup-name (* limit 2))
8844 ;; gnus-refer-thread-limit is t, i.e. fetch _all_
8846 (gnus-retrieve-headers (list gnus-newsgroup-end)
8847 gnus-newsgroup-name limit))
8849 (gnus-build-all-threads)
8850 (error "Can't fetch thread from back ends that don't support NOV"))
8851 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
8852 (gnus-summary-limit-include-thread id)))
8854 (defun gnus-summary-refer-article (message-id)
8855 "Fetch an article specified by MESSAGE-ID."
8856 (interactive "sMessage-ID: ")
8857 (when (and (stringp message-id)
8858 (not (zerop (length message-id))))
8859 (setq message-id (gnus-replace-in-string message-id " " ""))
8860 ;; Construct the correct Message-ID if necessary.
8861 ;; Suggested by tale@pawl.rpi.edu.
8862 (unless (string-match "^<" message-id)
8863 (setq message-id (concat "<" message-id)))
8864 (unless (string-match ">$" message-id)
8865 (setq message-id (concat message-id ">")))
8866 ;; People often post MIDs from URLs, so unhex it:
8867 (unless (string-match "@" message-id)
8868 (setq message-id (gnus-url-unhex-string message-id)))
8869 (let* ((header (gnus-id-to-header message-id))
8871 (gnus-summary-article-sparse-p
8872 (mail-header-number header))
8873 (memq (mail-header-number header)
8874 gnus-newsgroup-limit)))
8877 ;; If the article is present in the buffer we just go to it.
8879 (or (not (gnus-summary-article-sparse-p
8880 (mail-header-number header)))
8883 (gnus-summary-goto-article
8884 (mail-header-number header) nil t)
8886 (gnus-summary-update-article (mail-header-number header)))))
8888 ;; We fetch the article.
8890 (dolist (gnus-override-method (gnus-refer-article-methods))
8891 (when (and (gnus-check-server gnus-override-method)
8892 ;; Fetch the header,
8893 (setq number (gnus-summary-insert-subject message-id)))
8894 ;; and display the article.
8895 (gnus-summary-select-article nil nil nil number)
8897 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
8899 (defun gnus-refer-article-methods ()
8900 "Return a list of referable methods."
8902 ;; No method, so we default to current and native.
8903 ((null gnus-refer-article-method)
8904 (list gnus-current-select-method gnus-select-method))
8906 ((eq 'current gnus-refer-article-method)
8907 (list gnus-current-select-method))
8908 ;; List of select methods.
8909 ((not (and (symbolp (car gnus-refer-article-method))
8910 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
8912 (dolist (method gnus-refer-article-method)
8913 (push (if (eq 'current method)
8914 gnus-current-select-method
8918 ;; One single select method.
8920 (list gnus-refer-article-method))))
8922 (defun gnus-summary-edit-parameters ()
8923 "Edit the group parameters of the current group."
8925 (gnus-group-edit-group gnus-newsgroup-name 'params))
8927 (defun gnus-summary-customize-parameters ()
8928 "Customize the group parameters of the current group."
8930 (gnus-group-customize gnus-newsgroup-name))
8932 (defun gnus-summary-enter-digest-group (&optional force)
8933 "Enter an nndoc group based on the current article.
8934 If FORCE, force a digest interpretation. If not, try
8935 to guess what the document format is."
8937 (let ((conf gnus-current-window-configuration))
8938 (save-window-excursion
8940 (let (gnus-article-prepare-hook
8941 gnus-display-mime-function
8943 (gnus-summary-select-article))))
8944 (setq gnus-current-window-configuration conf)
8945 (let* ((name (format "%s-%d"
8946 (gnus-group-prefixed-name
8947 gnus-newsgroup-name (list 'nndoc ""))
8948 (with-current-buffer gnus-summary-buffer
8949 gnus-current-article)))
8950 (ogroup gnus-newsgroup-name)
8951 (params (append (gnus-info-params (gnus-get-info ogroup))
8952 (list (cons 'to-group ogroup))
8953 (list (cons 'parent-group ogroup))
8954 (list (cons 'save-article-group ogroup))))
8955 (case-fold-search t)
8956 (buf (current-buffer))
8958 (with-current-buffer gnus-original-article-buffer
8959 ;; Have the digest group inherit the main mail address of
8960 ;; the parent article.
8961 (when (setq to-address (or (gnus-fetch-field "reply-to")
8962 (gnus-fetch-field "from")))
8965 (list (cons 'to-address
8966 (funcall gnus-decode-encoded-address-function
8968 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
8969 (insert-buffer-substring gnus-original-article-buffer)
8970 ;; Remove lines that may lead nndoc to misinterpret the
8973 (goto-char (point-min))
8974 (or (search-forward "\n\n" nil t) (point)))
8975 (goto-char (point-min))
8976 (delete-matching-lines "^Path:\\|^From ")
8979 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
8980 (gnus-newsgroup-ephemeral-ignored-charsets
8981 gnus-newsgroup-ignored-charsets))
8982 (gnus-group-read-ephemeral-group
8983 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
8985 ,(if force 'mbox 'guess)))
8987 `((adapt-file . ,(gnus-score-file-name gnus-newsgroup-name
8989 ;; Make all postings to this group go to the parent group.
8990 (nconc (gnus-info-params (gnus-get-info name))
8992 ;; Couldn't select this doc group.
8993 (switch-to-buffer buf)
8994 (gnus-set-global-variables)
8995 (gnus-configure-windows 'summary)
8996 (gnus-message 3 "Article couldn't be entered?"))
8997 (kill-buffer dig)))))
8999 (defun gnus-summary-read-document (n)
9000 "Open a new group based on the current article(s).
9001 This will allow you to read digests and other similar
9002 documents as newsgroups.
9003 Obeys the standard process/prefix convention."
9005 (let* ((ogroup gnus-newsgroup-name)
9006 (params (append (gnus-info-params (gnus-get-info ogroup))
9007 (list (cons 'to-group ogroup))))
9008 group egroup groups vgroup)
9009 (dolist (article (gnus-summary-work-articles n))
9010 (setq group (format "%s-%d" gnus-newsgroup-name article))
9011 (gnus-summary-remove-process-mark article)
9012 (when (gnus-summary-display-article article)
9015 (insert-buffer-substring gnus-original-article-buffer)
9016 ;; Remove some headers that may lead nndoc to make
9018 (message-narrow-to-head)
9019 (goto-char (point-min))
9020 (delete-matching-lines "^Path:\\|^From ")
9023 (gnus-group-read-ephemeral-group
9024 group `(nndoc ,group (nndoc-address ,(current-buffer))
9025 (nndoc-article-type guess))
9028 ;; Make all postings to this group go to the parent group.
9029 (nconc (gnus-info-params (gnus-get-info egroup))
9031 (push egroup groups))
9032 ;; Couldn't select this doc group.
9033 (gnus-error 3 "Article couldn't be entered"))))))
9034 ;; Now we have selected all the documents.
9037 (error "None of the articles could be interpreted as documents"))
9038 ((gnus-group-read-ephemeral-group
9039 (setq vgroup (format
9040 "nnvirtual:%s-%s" gnus-newsgroup-name
9041 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
9042 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
9044 (cons (current-buffer) 'summary)))
9046 (error "Couldn't select virtual nndoc group")))))
9048 (defun gnus-summary-isearch-article (&optional regexp-p)
9049 "Do incremental search forward on the current article.
9050 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
9052 (gnus-summary-select-article)
9053 (gnus-configure-windows 'article)
9054 (gnus-eval-in-buffer-window gnus-article-buffer
9057 (isearch-forward regexp-p))))
9059 (defun gnus-summary-repeat-search-article-forward ()
9060 "Repeat the previous search forwards."
9062 (unless gnus-last-search-regexp
9063 (error "No previous search"))
9064 (gnus-summary-search-article-forward gnus-last-search-regexp))
9066 (defun gnus-summary-repeat-search-article-backward ()
9067 "Repeat the previous search backwards."
9069 (unless gnus-last-search-regexp
9070 (error "No previous search"))
9071 (gnus-summary-search-article-forward gnus-last-search-regexp t))
9073 (defun gnus-summary-search-article-forward (regexp &optional backward)
9074 "Search for an article containing REGEXP forward.
9075 If BACKWARD, search backward instead."
9078 (format "Search article %s (regexp%s): "
9079 (if current-prefix-arg "backward" "forward")
9080 (if gnus-last-search-regexp
9081 (concat ", default " gnus-last-search-regexp)
9083 current-prefix-arg))
9084 (if (string-equal regexp "")
9085 (setq regexp (or gnus-last-search-regexp ""))
9086 (setq gnus-last-search-regexp regexp)
9087 (setq gnus-article-before-search gnus-current-article))
9088 ;; Intentionally set gnus-last-article.
9089 (setq gnus-last-article gnus-article-before-search)
9090 (let ((gnus-last-article gnus-last-article))
9091 (if (gnus-summary-search-article regexp backward)
9092 (gnus-summary-show-thread)
9093 (signal 'search-failed (list regexp)))))
9095 (defun gnus-summary-search-article-backward (regexp)
9096 "Search for an article containing REGEXP backward."
9099 (format "Search article backward (regexp%s): "
9100 (if gnus-last-search-regexp
9101 (concat ", default " gnus-last-search-regexp)
9103 (gnus-summary-search-article-forward regexp 'backward))
9105 (defun gnus-summary-search-article (regexp &optional backward)
9106 "Search for an article containing REGEXP.
9107 Optional argument BACKWARD means do search for backward.
9108 `gnus-select-article-hook' is not called during the search."
9109 ;; We have to require this here to make sure that the following
9110 ;; dynamic binding isn't shadowed by autoloading.
9111 (require 'gnus-async)
9113 (let ((gnus-select-article-hook nil) ;Disable hook.
9114 (gnus-article-prepare-hook nil)
9115 (gnus-mark-article-hook nil) ;Inhibit marking as read.
9116 (gnus-use-article-prefetch nil)
9117 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
9118 (gnus-use-trees nil) ;Inhibit updating tree buffer.
9120 (gnus-keep-backlog nil)
9121 (gnus-break-pages nil)
9122 (gnus-summary-display-arrow nil)
9123 (gnus-updated-mode-lines nil)
9124 (gnus-auto-center-summary nil)
9125 (sum (current-buffer))
9126 (gnus-display-mime-function nil)
9129 (gnus-save-hidden-threads
9130 (gnus-summary-select-article)
9131 (set-buffer gnus-article-buffer)
9132 (goto-char (window-point (get-buffer-window (current-buffer))))
9136 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
9138 (re-search-backward regexp nil t)
9139 (re-search-forward regexp nil t))
9140 ;; We found the regexp.
9145 (get-buffer-window (current-buffer))
9149 (get-buffer-window (current-buffer))
9152 (setq point (point)))
9153 ;; We didn't find it, so we go to the next article.
9156 (while (eq found 'not)
9157 (if (not (if backward (gnus-summary-find-prev)
9158 (gnus-summary-find-next)))
9159 ;; No more articles.
9161 ;; Select the next article and adjust point.
9162 (unless (gnus-summary-article-sparse-p
9163 (gnus-summary-article-number))
9165 (gnus-summary-select-article)
9166 (set-buffer gnus-article-buffer)
9168 (goto-char (if backward (point-max) (point-min))))))))
9169 (gnus-message 7 ""))
9170 ;; Return whether we found the regexp.
9171 (when (eq found 'found)
9173 (gnus-summary-show-thread)
9174 (gnus-summary-goto-subject gnus-current-article)
9175 (gnus-summary-position-point)
9178 (defun gnus-find-matching-articles (header regexp)
9179 "Return a list of all articles that match REGEXP on HEADER.
9180 This search includes all articles in the current group that Gnus has
9181 fetched headers for, whether they are displayed or not."
9182 (let ((articles nil)
9183 ;; Can't eta-reduce because it's a macro.
9184 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
9185 (case-fold-search t))
9186 (dolist (header gnus-newsgroup-headers)
9187 (when (string-match regexp (funcall func header))
9188 (push (mail-header-number header) articles)))
9189 (nreverse articles)))
9191 (defun gnus-summary-find-matching (header regexp &optional backward unread
9192 not-case-fold not-matching)
9193 "Return a list of all articles that match REGEXP on HEADER.
9194 The search stars on the current article and goes forwards unless
9195 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
9196 If UNREAD is non-nil, only unread articles will
9197 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
9198 in the comparisons. If NOT-MATCHING, return a list of all articles that
9199 not match REGEXP on HEADER."
9200 (let ((case-fold-search (not not-case-fold))
9203 (if (eq (car header) 'extra)
9206 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
9208 (error "%s is an invalid header" header))
9209 (unless (fboundp (intern (concat "mail-header-" header)))
9210 (error "%s is not a valid header" header))
9211 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
9212 (dolist (d (if (eq backward 'all)
9214 (gnus-data-find-list
9215 (gnus-summary-article-number)
9216 (gnus-data-list backward))))
9217 (when (and (or (not unread) ; We want all articles...
9218 (gnus-data-unread-p d)) ; Or just unreads.
9219 (vectorp (gnus-data-header d)) ; It's not a pseudo.
9223 (funcall func (gnus-data-header d))))
9224 (string-match regexp
9225 (funcall func (gnus-data-header d)))))
9226 (push (gnus-data-number d) articles))) ; Success!
9227 (nreverse articles)))
9229 (defun gnus-summary-execute-command (header regexp command &optional backward)
9230 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
9231 If HEADER is an empty string (or nil), the match is done on the entire
9232 article. If BACKWARD (the prefix) is non-nil, search backward instead."
9234 (list (let ((completion-ignore-case t))
9237 (mapcar (lambda (header) (list (format "%s" header)))
9239 '("Number" "Subject" "From" "Lines" "Date"
9240 "Message-ID" "Xref" "References" "Body")
9241 gnus-extra-headers))
9242 nil 'require-match))
9243 (read-string "Regexp: ")
9244 (read-key-sequence "Command: ")
9245 current-prefix-arg))
9246 (when (equal header "Body")
9248 ;; Hidden thread subtrees must be searched as well.
9249 (gnus-summary-show-all-threads)
9250 ;; We don't want to change current point nor window configuration.
9252 (save-window-excursion
9254 gnus-treat-strip-trailing-blank-lines
9255 gnus-treat-strip-leading-blank-lines
9256 gnus-treat-strip-multiple-blank-lines
9257 gnus-treat-hide-boring-headers
9258 gnus-treat-fold-newsgroups
9259 gnus-article-prepare-hook)
9260 (gnus-message 6 "Executing %s..." (key-description command))
9261 ;; We'd like to execute COMMAND interactively so as to give arguments.
9262 (gnus-execute header regexp
9263 `(call-interactively ',(key-binding command))
9265 (gnus-message 6 "Executing %s...done" (key-description command))))))
9267 (defun gnus-summary-beginning-of-article ()
9268 "Scroll the article back to the beginning."
9270 (gnus-summary-select-article)
9271 (gnus-configure-windows 'article)
9272 (gnus-eval-in-buffer-window gnus-article-buffer
9274 (goto-char (point-min))
9275 (when gnus-break-pages
9276 (gnus-narrow-to-page))))
9278 (defun gnus-summary-end-of-article ()
9279 "Scroll to the end of the article."
9281 (gnus-summary-select-article)
9282 (gnus-configure-windows 'article)
9283 (gnus-eval-in-buffer-window gnus-article-buffer
9285 (goto-char (point-max))
9287 (when gnus-break-pages
9288 (gnus-narrow-to-page))))
9290 (defun gnus-summary-print-truncate-and-quote (string &optional len)
9291 "Truncate to LEN and quote all \"(\"'s in STRING."
9292 (gnus-replace-in-string (if (and len (> (length string) len))
9293 (substring string 0 len)
9297 (defun gnus-summary-print-article (&optional filename n)
9298 "Generate and print a PostScript image of the process-marked (mail) articles.
9300 If used interactively, print the current article if none are
9301 process-marked. With prefix arg, prompt the user for the name of the
9304 When used from Lisp, accept two optional args FILENAME and N. N means
9305 to print the next N articles. If N is negative, print the N previous
9306 articles. If N is nil and articles have been marked with the process
9307 mark, print these instead.
9309 If the optional first argument FILENAME is nil, send the image to the
9310 printer. If FILENAME is a string, save the PostScript image in a file with
9311 that name. If FILENAME is a number, prompt the user for the name of the file
9313 (interactive (list (ps-print-preprint current-prefix-arg)))
9314 (dolist (article (gnus-summary-work-articles n))
9315 (gnus-summary-select-article nil nil 'pseudo article)
9316 (gnus-eval-in-buffer-window gnus-article-buffer
9317 (gnus-print-buffer))
9318 (gnus-summary-remove-process-mark article))
9319 (ps-despool filename))
9321 (defun gnus-print-buffer ()
9322 (let ((buffer (generate-new-buffer " *print*")))
9325 (copy-to-buffer buffer (point-min) (point-max))
9327 (gnus-remove-text-with-property 'gnus-decoration)
9328 (when (gnus-visual-p 'article-highlight 'highlight)
9329 ;; Copy-to-buffer doesn't copy overlay. So redo
9331 (let ((gnus-article-buffer buffer))
9332 (gnus-article-highlight-citation t)
9333 (gnus-article-highlight-signature)
9334 (gnus-article-emphasize)
9335 (gnus-article-delete-invisible-text)))
9336 (let ((ps-left-header
9339 (gnus-summary-print-truncate-and-quote
9340 (mail-header-subject gnus-current-headers)
9343 (gnus-summary-print-truncate-and-quote
9344 (mail-header-from gnus-current-headers)
9348 "/pagenumberstring load"
9350 (mail-header-date gnus-current-headers) ")"))))
9351 (gnus-run-hooks 'gnus-ps-print-hook)
9353 (if ps-print-color-p
9354 (ps-spool-buffer-with-faces)
9355 (ps-spool-buffer)))))
9356 (kill-buffer buffer))))
9358 (defun gnus-summary-show-article (&optional arg)
9359 "Force redisplaying of the current article.
9360 If ARG (the prefix) is a number, show the article with the charset
9361 defined in `gnus-summary-show-article-charset-alist', or the charset
9363 If ARG (the prefix) is non-nil and not a number, show the raw article
9364 without any article massaging functions being run. Normally, the key
9365 strokes are `C-u g'."
9369 (gnus-summary-show-article t)
9370 (let ((gnus-newsgroup-charset
9371 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
9372 (mm-read-coding-system
9373 "View as charset: " ;; actually it is coding system.
9374 (with-current-buffer gnus-article-buffer
9375 (mm-detect-coding-region (point) (point-max))))))
9376 (gnus-newsgroup-ignored-charsets 'gnus-all))
9377 (gnus-summary-select-article nil 'force)
9378 (let ((deps gnus-newsgroup-dependencies)
9380 (with-current-buffer gnus-original-article-buffer
9382 (message-narrow-to-head)
9383 (setq head (buffer-string))
9384 (goto-char (point-min))
9385 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
9386 (goto-char (point-max))
9388 (setq lines (1- (count-lines (point) (point-max))))))
9390 (insert (format "211 %d Article retrieved.\n"
9391 (cdr gnus-article-current)))
9393 (if lines (insert (format "Lines: %d\n" lines)))
9395 (let ((nntp-server-buffer (current-buffer)))
9396 (setq header (car (gnus-get-newsgroup-headers deps t))))))
9397 (gnus-data-set-header
9398 (gnus-data-find (cdr gnus-article-current))
9400 (gnus-summary-update-article-line
9401 (cdr gnus-article-current) header)
9402 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9403 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
9405 ;; Select the article the normal way.
9406 (gnus-summary-select-article nil 'force))
9408 ;; We have to require this here to make sure that the following
9409 ;; dynamic binding isn't shadowed by autoloading.
9410 (require 'gnus-async)
9412 ;; Bind the article treatment functions to nil.
9413 (let ((gnus-have-all-headers t)
9414 gnus-article-prepare-hook
9415 gnus-article-decode-hook
9416 gnus-display-mime-function
9418 ;; Destroy any MIME parts.
9419 (when (gnus-buffer-live-p gnus-article-buffer)
9420 (with-current-buffer gnus-article-buffer
9421 (mm-destroy-parts gnus-article-mime-handles)
9422 ;; Set it to nil for safety reason.
9423 (setq gnus-article-mime-handle-alist nil)
9424 (setq gnus-article-mime-handles nil)))
9425 (gnus-summary-select-article nil 'force))))
9426 (gnus-summary-goto-subject gnus-current-article)
9427 (gnus-summary-position-point))
9429 (defun gnus-summary-show-raw-article ()
9430 "Show the raw article without any article massaging functions being run."
9432 (gnus-summary-show-article t))
9434 (defun gnus-summary-verbose-headers (&optional arg)
9435 "Toggle permanent full header display.
9436 If ARG is a positive number, turn header display on.
9437 If ARG is a negative number, turn header display off."
9439 (setq gnus-show-all-headers
9440 (cond ((or (not (numberp arg))
9442 (not gnus-show-all-headers))
9445 (gnus-summary-show-article))
9447 (defun gnus-summary-toggle-header (&optional arg)
9448 "Show the headers if they are hidden, or hide them if they are shown.
9449 If ARG is a positive number, show the entire header.
9450 If ARG is a negative number, hide the unwanted header lines."
9452 (let ((window (and (gnus-buffer-live-p gnus-article-buffer)
9453 (get-buffer-window gnus-article-buffer t))))
9454 (with-current-buffer gnus-article-buffer
9456 (article-narrow-to-head)
9457 (let* ((inhibit-read-only t)
9458 (inhibit-point-motion-hooks t)
9459 (hidden (if (numberp arg)
9461 (or (not (looking-at "[^ \t\n]+:"))
9462 (gnus-article-hidden-text-p 'headers))))
9464 (delete-region (point-min) (point-max))
9465 (with-current-buffer gnus-original-article-buffer
9466 (goto-char (setq s (point-min)))
9467 (setq e (if (search-forward "\n\n" nil t)
9470 (insert-buffer-substring gnus-original-article-buffer s e)
9471 (run-hooks 'gnus-article-decode-hook)
9473 (let ((gnus-treat-hide-headers nil)
9474 (gnus-treat-hide-boring-headers nil))
9475 (gnus-delete-wash-type 'headers)
9476 (gnus-treat-article 'head))
9477 (gnus-treat-article 'head))
9480 (set-window-start window (goto-char (point-min))))
9481 (if gnus-break-pages
9482 (gnus-narrow-to-page)
9483 (when (gnus-visual-p 'page-marker)
9484 (let ((inhibit-read-only t))
9485 (gnus-remove-text-with-property 'gnus-prev)
9486 (gnus-remove-text-with-property 'gnus-next))))
9487 (gnus-set-mode-line 'article)))))
9489 (defun gnus-summary-show-all-headers ()
9490 "Make all header lines visible."
9492 (gnus-summary-toggle-header 1))
9494 (defun gnus-summary-caesar-message (&optional arg)
9495 "Caesar rotate the current article by 13.
9496 With a non-numerical prefix, also rotate headers. A numerical
9497 prefix specifies how many places to rotate each letter forward."
9499 (gnus-summary-select-article)
9500 (let ((mail-header-separator ""))
9501 (gnus-eval-in-buffer-window gnus-article-buffer
9504 (let ((start (window-start))
9505 (inhibit-read-only t))
9506 (if (equal arg '(4))
9507 (message-caesar-buffer-body nil t)
9508 (message-caesar-buffer-body arg))
9509 (set-window-start (get-buffer-window (current-buffer)) start)))))
9510 ;; Create buttons and stuff...
9511 (gnus-treat-article nil))
9513 (declare-function idna-to-unicode "ext:idna" (str))
9515 (defun gnus-summary-idna-message (&optional arg)
9516 "Decode IDNA encoded domain names in the current articles.
9517 IDNA encoded domain names looks like `xn--bar'. If a string
9518 remain unencoded after running this function, it is likely an
9519 invalid IDNA string (`xn--bar' is invalid).
9521 You must have GNU Libidn (`http://www.gnu.org/software/libidn/')
9522 installed for this command to work."
9524 (if (not (and (condition-case nil (require 'idna)
9526 (mm-coding-system-p 'utf-8)
9527 (executable-find (symbol-value 'idna-program))))
9529 5 "GNU Libidn not installed properly (`idn' or `idna.el' missing)")
9530 (gnus-summary-select-article)
9531 (let ((mail-header-separator ""))
9532 (gnus-eval-in-buffer-window gnus-article-buffer
9535 (let ((start (window-start))
9537 (while (re-search-forward "\\(xn--[-0-9a-z]+\\)" nil t)
9538 (replace-match (idna-to-unicode (match-string 1))))
9539 (set-window-start (get-buffer-window (current-buffer)) start)))))))
9541 (defun gnus-summary-morse-message (&optional arg)
9542 "Morse decode the current article."
9544 (gnus-summary-select-article)
9545 (let ((mail-header-separator ""))
9546 (gnus-eval-in-buffer-window gnus-article-buffer
9550 (let ((pos (window-start))
9551 (inhibit-read-only t))
9552 (goto-char (point-min))
9553 (when (message-goto-body)
9554 (gnus-narrow-to-body))
9555 (goto-char (point-min))
9556 (while (search-forward "·" (point-max) t)
9557 (replace-match "."))
9558 (unmorse-region (point-min) (point-max))
9560 (set-window-start (get-buffer-window (current-buffer)) pos)))))))
9562 (defun gnus-summary-stop-page-breaking ()
9563 "Stop page breaking in the current article."
9565 (gnus-summary-select-article)
9566 (gnus-eval-in-buffer-window gnus-article-buffer
9568 (when (gnus-visual-p 'page-marker)
9569 (let ((inhibit-read-only t))
9570 (gnus-remove-text-with-property 'gnus-prev)
9571 (gnus-remove-text-with-property 'gnus-next))
9572 (setq gnus-page-broken nil))))
9574 (defun gnus-summary-move-article (&optional n to-newsgroup
9575 select-method action)
9576 "Move the current article to a different newsgroup.
9577 If N is a positive number, move the N next articles.
9578 If N is a negative number, move the N previous articles.
9579 If N is nil and any articles have been marked with the process mark,
9580 move those articles instead.
9581 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
9582 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9583 re-spool using this method.
9585 When called interactively with TO-NEWSGROUP being nil, the value of
9586 the variable `gnus-move-split-methods' is used for finding a default
9587 for the target newsgroup.
9589 For this function to work, both the current newsgroup and the
9590 newsgroup that you want to move to have to support the `request-move'
9591 and `request-accept' functions.
9593 ACTION can be either `move' (the default), `crosspost' or `copy'."
9596 (setq action 'move))
9597 ;; Check whether the source group supports the required functions.
9598 (cond ((and (eq action 'move)
9599 (not (gnus-check-backend-function
9600 'request-move-article gnus-newsgroup-name)))
9601 (error "The current group does not support article moving"))
9602 ((and (eq action 'crosspost)
9603 (not (gnus-check-backend-function
9604 'request-replace-article gnus-newsgroup-name)))
9605 (error "The current group does not support article editing")))
9606 (let ((articles (gnus-summary-work-articles n))
9607 (prefix (if (gnus-check-backend-function
9608 'request-move-article gnus-newsgroup-name)
9609 (funcall gnus-move-group-prefix-function
9610 gnus-newsgroup-name)
9612 (names '((move "Move" "Moving")
9613 (copy "Copy" "Copying")
9614 (crosspost "Crosspost" "Crossposting")))
9615 (copy-buf (save-excursion
9616 (nnheader-set-temp-buffer " *copy article*")))
9617 art-group to-method new-xref article to-groups
9618 articles-to-update-marks encoded)
9619 (unless (assq action names)
9620 (error "Unknown action %s" action))
9621 ;; Read the newsgroup name.
9622 (when (and (not to-newsgroup)
9623 (not select-method))
9624 (if (and gnus-move-split-methods
9626 (and (memq gnus-current-article articles)
9627 (gnus-buffer-live-p gnus-original-article-buffer))))
9628 ;; When `gnus-move-split-methods' is non-nil, we have to
9629 ;; select an article to give `gnus-read-move-group-name' an
9630 ;; opportunity to suggest an appropriate default. However,
9631 ;; we needn't render or mark the article.
9632 (let ((gnus-display-mime-function nil)
9633 (gnus-article-prepare-hook nil)
9634 (gnus-mark-article-hook nil))
9635 (gnus-summary-select-article nil nil nil (car articles))))
9636 (setq to-newsgroup (gnus-read-move-group-name
9637 (cadr (assq action names))
9639 (intern (format "gnus-current-%s-group" action)))
9641 encoded to-newsgroup
9642 to-method (gnus-server-to-method (gnus-group-method to-newsgroup)))
9643 (set (intern (format "gnus-current-%s-group" action))
9644 (mm-decode-coding-string
9646 (gnus-group-name-charset to-method to-newsgroup))))
9648 (setq to-method (or select-method
9649 (gnus-server-to-method
9650 (gnus-group-method to-newsgroup)))))
9654 (mm-encode-coding-string
9656 (gnus-group-name-charset to-method to-newsgroup)))))
9657 ;; Check the method we are to move this article to...
9658 (unless (gnus-check-backend-function
9659 'request-accept-article (car to-method))
9660 (error "%s does not support article copying" (car to-method)))
9661 (unless (gnus-check-server to-method)
9662 (error "Can't open server %s" (car to-method)))
9663 (gnus-message 6 "%s to %s: %s..."
9664 (caddr (assq action names))
9665 (or (car select-method)
9666 (gnus-group-decoded-name to-newsgroup))
9669 (setq article (pop articles))
9673 ;; Move the article.
9675 ;; Remove this article from future suppression.
9676 (gnus-dup-unsuppress-article article)
9677 (let* ((from-method (gnus-find-method-for-group
9678 gnus-newsgroup-name))
9679 (to-method (or select-method
9680 (gnus-find-method-for-group to-newsgroup)))
9681 (move-is-internal (gnus-method-equal from-method to-method)))
9682 (gnus-request-move-article
9683 article ; Article to move
9684 gnus-newsgroup-name ; From newsgroup
9685 (nth 1 (gnus-find-method-for-group
9686 gnus-newsgroup-name)) ; Server
9687 (list 'gnus-request-accept-article
9688 to-newsgroup (list 'quote select-method)
9689 (not articles) t) ; Accept form
9690 (not articles) ; Only save nov last time
9691 move-is-internal))) ; is this move internal?
9692 ;; Copy the article.
9694 (with-current-buffer copy-buf
9695 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
9697 (nnheader-narrow-to-headers)
9698 (dolist (hdr gnus-copy-article-ignored-headers)
9699 (message-remove-header hdr t)))
9700 (gnus-request-accept-article
9701 to-newsgroup select-method (not articles) t))))
9702 ;; Crosspost the article.
9703 ((eq action 'crosspost)
9704 (let ((xref (message-tokenize-header
9705 (mail-header-xref (gnus-summary-article-header article))
9707 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
9708 ":" (number-to-string article)))
9710 (setq xref (list (system-name))))
9713 (mapconcat 'identity
9714 (delete "Xref:" (delete new-xref xref))
9717 (with-current-buffer copy-buf
9718 ;; First put the article in the destination group.
9719 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9720 (when (consp (setq art-group
9721 (gnus-request-accept-article
9722 to-newsgroup select-method (not articles) t)))
9723 (setq new-xref (concat new-xref " " (car art-group)
9725 (number-to-string (cdr art-group))))
9726 ;; Now we have the new Xrefs header, so we insert
9727 ;; it and replace the new article.
9728 (nnheader-replace-header "Xref" new-xref)
9729 (gnus-request-replace-article
9730 (cdr art-group) to-newsgroup (current-buffer) t)
9734 (gnus-message 1 "Couldn't %s article %s: %s"
9735 (cadr (assq action names)) article
9736 (nnheader-get-report (car to-method))))
9737 ((eq art-group 'junk)
9738 (when (eq action 'move)
9739 (gnus-summary-mark-article article gnus-canceled-mark)
9740 (gnus-message 4 "Deleted article %s" article)
9741 ;; run the delete hook
9742 (run-hook-with-args 'gnus-summary-article-delete-hook
9745 (assoc article (gnus-data-list nil)))
9746 gnus-newsgroup-name nil
9749 (let* ((pto-group (gnus-group-prefixed-name
9750 (car art-group) to-method))
9751 (info (gnus-get-info pto-group))
9752 (to-group (gnus-info-group info))
9754 ;; Update the group that has been moved to.
9756 (memq action '(move copy)))
9757 (unless (member to-group to-groups)
9758 (push to-group to-groups))
9760 (unless (memq article gnus-newsgroup-unreads)
9761 (push 'read to-marks)
9763 info (gnus-add-to-range (gnus-info-read info)
9764 (list (cdr art-group)))))
9766 ;; See whether the article is to be put in the cache.
9767 (let* ((expirable (gnus-group-auto-expirable-p to-group))
9768 (marks (if expirable
9769 gnus-article-mark-lists
9770 (delete '(expirable . expire)
9771 (copy-sequence gnus-article-mark-lists))))
9772 (to-article (cdr art-group)))
9774 ;; Enter the article into the cache in the new group,
9775 ;; if that is required.
9776 (when gnus-use-cache
9777 (gnus-cache-possibly-enter-article
9779 (memq article gnus-newsgroup-marked)
9780 (memq article gnus-newsgroup-dormant)
9781 (memq article gnus-newsgroup-unreads)))
9783 (when gnus-preserve-marks
9784 ;; Copy any marks over to the new group.
9785 (when (and (equal to-group gnus-newsgroup-name)
9786 (not (memq article gnus-newsgroup-unreads)))
9787 ;; Mark this article as read in this group.
9788 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
9789 (setcdr (gnus-active to-group) to-article)
9790 (setcdr gnus-newsgroup-active to-article))
9793 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
9794 (when (memq article (symbol-value
9795 (intern (format "gnus-newsgroup-%s"
9797 (push (cdar marks) to-marks)
9798 ;; If the other group is the same as this group,
9799 ;; then we have to add the mark to the list.
9800 (when (equal to-group gnus-newsgroup-name)
9801 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
9804 (intern (format "gnus-newsgroup-%s"
9806 ;; Copy the marks to other group.
9807 (gnus-add-marked-articles
9808 to-group (cdar marks) (list to-article) info)))
9809 (setq marks (cdr marks)))
9811 (when (and expirable
9812 gnus-mark-copied-or-moved-articles-as-expirable
9813 (not (memq 'expire to-marks)))
9814 ;; Mark this article as expirable.
9815 (push 'expire to-marks)
9816 (when (equal to-group gnus-newsgroup-name)
9817 (push to-article gnus-newsgroup-expirable))
9818 ;; Copy the expirable mark to other group.
9819 (gnus-add-marked-articles
9820 to-group 'expire (list to-article) info))
9822 (gnus-request-set-mark
9823 to-group (list (list (list to-article) 'add to-marks))))
9826 (concat "(gnus-group-set-info '"
9827 (gnus-prin1-to-string (gnus-get-info to-group))
9830 ;; Update the Xref header in this article to point to
9831 ;; the new crossposted article we have just created.
9832 (when (eq action 'crosspost)
9833 (with-current-buffer copy-buf
9834 (gnus-request-article-this-buffer article gnus-newsgroup-name)
9835 (nnheader-replace-header "Xref" new-xref)
9836 (gnus-request-replace-article
9837 article gnus-newsgroup-name (current-buffer) t)))
9839 ;; run the move/copy/crosspost/respool hook
9840 (run-hook-with-args 'gnus-summary-article-move-hook
9843 (assoc article (gnus-data-list nil)))
9848 ;;;!!!Why is this necessary?
9849 (set-buffer gnus-summary-buffer)
9851 (gnus-summary-goto-subject article)
9852 (when (eq action 'move)
9853 (gnus-summary-mark-article article gnus-canceled-mark))))
9854 (push article articles-to-update-marks))
9856 (apply 'gnus-summary-remove-process-mark articles-to-update-marks)
9857 ;; Re-activate all groups that have been moved to.
9858 (with-current-buffer gnus-group-buffer
9859 (let ((gnus-group-marked to-groups))
9860 (gnus-group-get-new-news-this-group nil t)))
9862 (gnus-kill-buffer copy-buf)
9863 (gnus-summary-position-point)
9864 (gnus-set-mode-line 'summary)))
9866 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
9867 "Copy the current article to some other group.
9868 If TO-NEWSGROUP is string, do not prompt for a newsgroup to copy to.
9869 When called interactively, if TO-NEWSGROUP is nil, use the value of
9870 the variable `gnus-move-split-methods' for finding a default target
9872 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9873 re-spool using this method."
9875 (gnus-summary-move-article n to-newsgroup select-method 'copy))
9877 (defun gnus-summary-crosspost-article (&optional n)
9878 "Crosspost the current article to some other group."
9880 (gnus-summary-move-article n nil nil 'crosspost))
9882 (defcustom gnus-summary-respool-default-method nil
9883 "Default method type for respooling an article.
9884 If nil, use to the current newsgroup method."
9886 :group 'gnus-summary-mail)
9888 (defun gnus-summary-respool-article (&optional n method)
9889 "Respool the current article.
9890 The article will be squeezed through the mail spooling process again,
9891 which means that it will be put in some mail newsgroup or other
9892 depending on `nnmail-split-methods'.
9893 If N is a positive number, respool the N next articles.
9894 If N is a negative number, respool the N previous articles.
9895 If N is nil and any articles have been marked with the process mark,
9896 respool those articles instead.
9898 Respooling can be done both from mail groups and \"real\" newsgroups.
9899 In the former case, the articles in question will be moved from the
9900 current group into whatever groups they are destined to. In the
9901 latter case, they will be copied into the relevant groups."
9903 (list current-prefix-arg
9904 (let* ((methods (gnus-methods-using 'respool))
9906 (symbol-name (or gnus-summary-respool-default-method
9907 (car (gnus-find-method-for-group
9908 gnus-newsgroup-name)))))
9910 (gnus-completing-read-with-default
9911 methname "Backend to use when respooling"
9912 methods nil t nil 'gnus-mail-method-history))
9915 ((zerop (length (setq ms (gnus-servers-using-backend
9917 (list (intern method) ""))
9921 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
9922 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
9925 (error "No method given for respooling"))
9926 (if (assoc (symbol-name
9927 (car (gnus-find-method-for-group gnus-newsgroup-name)))
9928 (gnus-methods-using 'respool))
9929 (gnus-summary-move-article n nil method)
9930 (gnus-summary-copy-article n nil method)))
9932 (defun gnus-summary-import-article (file &optional edit)
9933 "Import an arbitrary file into a mail newsgroup."
9934 (interactive "fImport file: \nP")
9935 (let ((group gnus-newsgroup-name)
9936 (now (current-time))
9937 atts lines group-art)
9938 (unless (gnus-check-backend-function 'request-accept-article group)
9939 (error "%s does not support article importing" group))
9940 (or (file-readable-p file)
9941 (not (file-regular-p file))
9942 (error "Can't read %s" file))
9943 (with-current-buffer (gnus-get-buffer-create " *import file*")
9945 (nnheader-insert-file-contents file)
9946 (goto-char (point-min))
9947 (if (nnheader-article-p)
9949 (goto-char (point-min))
9950 (search-forward "\n\n" nil t)
9951 (narrow-to-region (point-min) (1- (point)))
9952 (goto-char (point-min))
9953 (unless (re-search-forward "^date:" nil t)
9954 (goto-char (point-max))
9955 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
9956 ;; This doesn't look like an article, so we fudge some headers.
9957 (setq atts (file-attributes file)
9958 lines (count-lines (point-min) (point-max)))
9959 (insert "From: " (read-string "From: ") "\n"
9960 "Subject: " (read-string "Subject: ") "\n"
9961 "Date: " (message-make-date (nth 5 atts)) "\n"
9962 "Message-ID: " (message-make-message-id) "\n"
9963 "Lines: " (int-to-string lines) "\n"
9964 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
9965 (setq group-art (gnus-request-accept-article group nil t))
9966 (kill-buffer (current-buffer)))
9967 (setq gnus-newsgroup-active (gnus-activate-group group))
9969 (gnus-summary-goto-article (cdr group-art) nil t)
9971 (gnus-summary-edit-article))))
9973 (defun gnus-summary-create-article ()
9974 "Create an article in a mail newsgroup."
9976 (let ((group gnus-newsgroup-name)
9977 (now (current-time))
9979 (unless (gnus-check-backend-function 'request-accept-article group)
9980 (error "%s does not support article importing" group))
9981 (with-current-buffer (gnus-get-buffer-create " *import file*")
9983 (goto-char (point-min))
9984 ;; This doesn't look like an article, so we fudge some headers.
9985 (insert "From: " (read-string "From: ") "\n"
9986 "Subject: " (read-string "Subject: ") "\n"
9987 "Date: " (message-make-date now) "\n"
9988 "Message-ID: " (message-make-message-id) "\n")
9989 (setq group-art (gnus-request-accept-article group nil t))
9990 (kill-buffer (current-buffer)))
9991 (setq gnus-newsgroup-active (gnus-activate-group group))
9993 (gnus-summary-goto-article (cdr group-art) nil t)
9994 (gnus-summary-edit-article)))
9996 (defun gnus-summary-article-posted-p ()
9997 "Say whether the current (mail) article is available from news as well.
9998 This will be the case if the article has both been mailed and posted."
10000 (let ((id (mail-header-references (gnus-summary-article-header)))
10001 (gnus-override-method (car (gnus-refer-article-methods))))
10002 (if (gnus-request-head id "")
10003 (gnus-message 2 "The current message was found on %s"
10004 gnus-override-method)
10005 (gnus-message 2 "The current message couldn't be found on %s"
10006 gnus-override-method)
10009 (defun gnus-summary-expire-articles (&optional now)
10010 "Expire all articles that are marked as expirable in the current group."
10012 (when (and (not gnus-group-is-exiting-without-update-p)
10013 (gnus-check-backend-function
10014 'request-expire-articles gnus-newsgroup-name))
10015 ;; This backend supports expiry.
10016 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
10017 (expirable (if total
10019 ;; We need to update the info for
10020 ;; this group for `gnus-list-of-read-articles'
10021 ;; to give us the right answer.
10022 (gnus-run-hooks 'gnus-exit-group-hook)
10023 (gnus-summary-update-info)
10024 (gnus-list-of-read-articles gnus-newsgroup-name))
10025 (setq gnus-newsgroup-expirable
10026 (sort gnus-newsgroup-expirable '<))))
10027 (expiry-wait (if now 'immediate
10028 (gnus-group-find-parameter
10029 gnus-newsgroup-name 'expiry-wait)))
10030 (nnmail-expiry-target
10031 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
10032 nnmail-expiry-target))
10035 ;; There are expirable articles in this group, so we run them
10036 ;; through the expiry process.
10037 (gnus-message 6 "Expiring articles...")
10038 (unless (gnus-check-group gnus-newsgroup-name)
10039 (error "Can't open server for %s" gnus-newsgroup-name))
10040 ;; The list of articles that weren't expired is returned.
10043 (let ((nnmail-expiry-wait-function nil)
10044 (nnmail-expiry-wait expiry-wait))
10045 (setq es (gnus-request-expire-articles
10046 expirable gnus-newsgroup-name)))
10047 (setq es (gnus-request-expire-articles
10048 expirable gnus-newsgroup-name)))
10050 (setq gnus-newsgroup-expirable es))
10051 ;; We go through the old list of expirable, and mark all
10052 ;; really expired articles as nonexistent.
10053 (unless (eq es expirable) ;If nothing was expired, we don't mark.
10054 (let ((gnus-use-cache nil))
10055 (dolist (article expirable)
10056 (when (and (not (memq article es))
10057 (gnus-data-find article))
10058 (gnus-summary-mark-article article gnus-canceled-mark)
10059 (run-hook-with-args 'gnus-summary-article-expire-hook
10062 (assoc article (gnus-data-list nil)))
10063 gnus-newsgroup-name
10066 (gnus-message 6 "Expiring articles...done")))))
10068 (defun gnus-summary-expire-articles-now ()
10069 "Expunge all expirable articles in the current group.
10070 This means that *all* articles that are marked as expirable will be
10071 deleted forever, right now."
10073 (or gnus-expert-user
10075 "Are you really, really sure you want to delete all expirable messages? ")
10077 (gnus-summary-expire-articles t))
10079 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
10080 (defun gnus-summary-delete-article (&optional n)
10081 "Delete the N next (mail) articles.
10082 This command actually deletes articles. This is not a marking
10083 command. The article will disappear forever from your life, never to
10086 If N is negative, delete backwards.
10087 If N is nil and articles have been marked with the process mark,
10088 delete these instead.
10090 If `gnus-novice-user' is non-nil you will be asked for
10091 confirmation before the articles are deleted."
10093 (unless (gnus-check-backend-function 'request-expire-articles
10094 gnus-newsgroup-name)
10095 (error "The current newsgroup does not support article deletion"))
10096 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
10097 (error "Couldn't open server"))
10098 ;; Compute the list of articles to delete.
10099 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
10100 (nnmail-expiry-target 'delete)
10102 (if (and gnus-novice-user
10103 (not (gnus-yes-or-no-p
10104 (format "Do you really want to delete %s forever? "
10105 (if (> (length articles) 1)
10106 (format "these %s articles" (length articles))
10107 "this article")))))
10109 ;; Delete the articles.
10110 (setq not-deleted (gnus-request-expire-articles
10111 articles gnus-newsgroup-name 'force))
10113 (gnus-summary-remove-process-mark (car articles))
10114 ;; The backend might not have been able to delete the article
10116 (unless (memq (car articles) not-deleted)
10117 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
10118 (let* ((article (car articles))
10119 (ghead (gnus-data-header
10120 (assoc article (gnus-data-list nil)))))
10121 (run-hook-with-args 'gnus-summary-article-delete-hook
10122 'delete ghead gnus-newsgroup-name nil
10124 (setq articles (cdr articles)))
10126 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
10127 (gnus-summary-position-point)
10128 (gnus-set-mode-line 'summary)
10131 (defun gnus-summary-edit-article (&optional arg)
10132 "Edit the current article.
10133 This will have permanent effect only in mail groups.
10134 If ARG is nil, edit the decoded articles.
10135 If ARG is 1, edit the raw articles.
10136 If ARG is 2, edit the raw articles even in read-only groups.
10137 If ARG is 3, edit the articles with the current handles.
10138 Otherwise, allow editing of articles even in read-only
10141 (let (force raw current-handles)
10150 (setq current-handles
10151 (and (gnus-buffer-live-p gnus-article-buffer)
10152 (with-current-buffer gnus-article-buffer
10154 gnus-article-mime-handles
10155 (setq gnus-article-mime-handles nil))))))
10158 (when (and raw (not force)
10159 (member gnus-newsgroup-name '("nndraft:delayed"
10162 (error "Can't edit the raw article in group %s"
10163 gnus-newsgroup-name))
10164 (with-current-buffer gnus-summary-buffer
10165 (let ((mail-parse-charset gnus-newsgroup-charset)
10166 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
10167 (gnus-set-global-variables)
10168 (when (and (not force)
10169 (gnus-group-read-only-p))
10170 (error "The current newsgroup does not support article editing"))
10171 (gnus-summary-show-article t)
10172 (when (and (not raw) (gnus-buffer-live-p gnus-article-buffer))
10173 (with-current-buffer gnus-article-buffer
10174 (mm-enable-multibyte)))
10175 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
10177 (gnus-article-edit-article
10180 (let ((mbl mml-buffer-list))
10181 (setq mml-buffer-list nil)
10182 (let ((rfc2047-quote-decoded-words-containing-tspecials t))
10183 (mime-to-mml ,'current-handles))
10184 (let ((mbl1 mml-buffer-list))
10185 (setq mml-buffer-list mbl)
10186 (set (make-local-variable 'mml-buffer-list) mbl1))
10187 (gnus-make-local-hook 'kill-buffer-hook)
10188 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))))
10189 `(lambda (no-highlight)
10190 (let ((mail-parse-charset ',gnus-newsgroup-charset)
10191 (message-options message-options)
10192 (message-options-set-recipient)
10193 (mail-parse-ignored-charsets
10194 ',gnus-newsgroup-ignored-charsets)
10195 (rfc2047-header-encoding-alist
10196 ',(let ((charset (gnus-group-name-charset
10197 (gnus-find-method-for-group
10198 gnus-newsgroup-name)
10199 gnus-newsgroup-name)))
10200 (append (list (cons "Newsgroups" charset)
10201 (cons "Followup-To" charset)
10202 (cons "Xref" charset))
10203 rfc2047-header-encoding-alist))))
10204 ,(if (not raw) '(progn
10206 (mml-destroy-buffers)
10207 (remove-hook 'kill-buffer-hook
10208 'mml-destroy-buffers t)
10209 (kill-local-variable 'mml-buffer-list)))
10210 (gnus-summary-edit-article-done
10211 ,(or (mail-header-references gnus-current-headers) "")
10212 ,(gnus-group-read-only-p)
10213 ,gnus-summary-buffer no-highlight))))))))
10215 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
10217 (defun gnus-summary-edit-article-done (&optional references read-only buffer
10219 "Make edits to the current article permanent."
10222 ;; The buffer restriction contains the entire article if it exists.
10223 (when (article-goto-body)
10224 (let ((lines (count-lines (point) (point-max)))
10225 (length (- (point-max) (point)))
10226 (case-fold-search t)
10227 (body (copy-marker (point))))
10228 (goto-char (point-min))
10229 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
10230 (delete-region (match-beginning 1) (match-end 1))
10231 (insert (number-to-string length)))
10232 (goto-char (point-min))
10233 (when (re-search-forward
10234 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
10235 (delete-region (match-beginning 1) (match-end 1))
10236 (insert (number-to-string length)))
10237 (goto-char (point-min))
10238 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
10239 (delete-region (match-beginning 1) (match-end 1))
10240 (insert (number-to-string lines))))))
10241 ;; Replace the article.
10242 (let ((buf (current-buffer)))
10244 (insert-buffer-substring buf)
10246 (if (and (not read-only)
10247 (not (gnus-request-replace-article
10248 (cdr gnus-article-current) (car gnus-article-current)
10249 (current-buffer) t)))
10250 (error "Couldn't replace article")
10251 ;; Update the summary buffer.
10252 (if (and references
10253 (equal (message-tokenize-header references " ")
10254 (message-tokenize-header
10255 (or (message-fetch-field "references") "") " ")))
10256 ;; We only have to update this line.
10259 (message-narrow-to-head)
10260 (let ((head (buffer-substring-no-properties
10261 (point-min) (point-max)))
10264 (insert (format "211 %d Article retrieved.\n"
10265 (cdr gnus-article-current)))
10268 (let ((nntp-server-buffer (current-buffer)))
10269 (setq header (car (gnus-get-newsgroup-headers
10271 (with-current-buffer gnus-summary-buffer
10272 (gnus-data-set-header
10273 (gnus-data-find (cdr gnus-article-current))
10275 (gnus-summary-update-article-line
10276 (cdr gnus-article-current) header)
10277 (if (gnus-summary-goto-subject
10278 (cdr gnus-article-current) nil t)
10279 (gnus-summary-update-secondary-mark
10280 (cdr gnus-article-current))))))))
10282 (set-buffer (or buffer gnus-summary-buffer))
10283 (gnus-summary-update-article (cdr gnus-article-current))
10284 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
10285 (gnus-summary-update-secondary-mark
10286 (cdr gnus-article-current))))
10287 ;; Prettify the article buffer again.
10288 (unless no-highlight
10289 (with-current-buffer gnus-article-buffer
10290 ;;;!!! Fix this -- article should be rehighlighted.
10291 ;;;(gnus-run-hooks 'gnus-article-display-hook)
10292 (set-buffer gnus-original-article-buffer)
10293 (gnus-request-article
10294 (cdr gnus-article-current)
10295 (car gnus-article-current) (current-buffer))))
10296 ;; Prettify the summary buffer line.
10297 (when (gnus-visual-p 'summary-highlight 'highlight)
10298 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
10300 (defun gnus-summary-edit-wash (key)
10301 "Perform editing command KEY in the article buffer."
10305 (message "%s" (concat (this-command-keys) "- "))
10308 (gnus-summary-edit-article)
10309 (execute-kbd-macro (concat (this-command-keys) key))
10310 (gnus-article-edit-done))
10314 (defun gnus-summary-respool-query (&optional silent trace)
10315 "Query where the respool algorithm would put this article."
10317 (let (gnus-mark-article-hook)
10318 (gnus-summary-select-article)
10319 (with-current-buffer gnus-original-article-buffer
10320 (let ((groups (nnmail-article-group 'identity trace)))
10323 (message "This message would go to %s"
10324 (mapconcat 'car groups ", "))
10325 (message "This message would go to no groups"))
10328 (defun gnus-summary-respool-trace ()
10329 "Trace where the respool algorithm would put this article.
10330 Display a buffer showing all fancy splitting patterns which matched."
10332 (gnus-summary-respool-query nil t))
10334 ;; Summary marking commands.
10336 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
10337 "Mark articles which has the same subject as read, and then select the next.
10338 If UNMARK is positive, remove any kind of mark.
10339 If UNMARK is negative, tick articles."
10342 (setq unmark (prefix-numeric-value unmark)))
10344 (gnus-summary-mark-same-subject
10345 (gnus-summary-article-subject) unmark)))
10346 ;; Select next unread article. If auto-select-same mode, should
10347 ;; select the first unread article.
10348 (gnus-summary-next-article t (and gnus-auto-select-same
10349 (gnus-summary-article-subject)))
10350 (gnus-message 7 "%d article%s marked as %s"
10351 count (if (= count 1) " is" "s are")
10352 (if unmark "unread" "read"))))
10354 (defun gnus-summary-kill-same-subject (&optional unmark)
10355 "Mark articles which has the same subject as read.
10356 If UNMARK is positive, remove any kind of mark.
10357 If UNMARK is negative, tick articles."
10360 (setq unmark (prefix-numeric-value unmark)))
10362 (gnus-summary-mark-same-subject
10363 (gnus-summary-article-subject) unmark)))
10364 ;; If marked as read, go to next unread subject.
10365 (when (null unmark)
10366 ;; Go to next unread subject.
10367 (gnus-summary-next-subject 1 t))
10368 (gnus-message 7 "%d articles are marked as %s"
10369 count (if unmark "unread" "read"))))
10371 (defun gnus-summary-mark-same-subject (subject &optional unmark)
10372 "Mark articles with same SUBJECT as read, and return marked number.
10373 If optional argument UNMARK is positive, remove any kinds of marks.
10374 If optional argument UNMARK is negative, mark articles as unread instead."
10378 ((null unmark) ; Mark as read.
10381 (gnus-summary-mark-article-as-read gnus-killed-mark)
10382 (gnus-summary-show-thread) t)
10383 (gnus-summary-find-subject subject))
10384 (setq count (1+ count))))
10385 ((> unmark 0) ; Tick.
10388 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
10389 (gnus-summary-show-thread) t)
10390 (gnus-summary-find-subject subject))
10391 (setq count (1+ count))))
10392 (t ; Mark as unread.
10395 (gnus-summary-mark-article-as-unread gnus-unread-mark)
10396 (gnus-summary-show-thread) t)
10397 (gnus-summary-find-subject subject))
10398 (setq count (1+ count)))))
10399 (gnus-set-mode-line 'summary)
10400 ;; Return the number of marked articles.
10403 (defun gnus-summary-mark-as-processable (n &optional unmark)
10404 "Set the process mark on the next N articles.
10405 If N is negative, mark backward instead. If UNMARK is non-nil, remove
10406 the process mark instead. The difference between N and the actual
10407 number of articles marked is returned."
10409 (if (and (null n) (gnus-region-active-p))
10410 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
10411 (setq n (prefix-numeric-value n))
10412 (let ((backward (< n 0))
10417 (gnus-summary-remove-process-mark
10418 (gnus-summary-article-number))
10419 (gnus-summary-set-process-mark (gnus-summary-article-number)))
10420 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
10423 (gnus-message 7 "No more articles"))
10424 (gnus-summary-recenter)
10425 (gnus-summary-position-point)
10428 (defun gnus-summary-unmark-as-processable (n)
10429 "Remove the process mark from the next N articles.
10430 If N is negative, unmark backward instead. The difference between N and
10431 the actual number of articles unmarked is returned."
10433 (gnus-summary-mark-as-processable n t))
10435 (defun gnus-summary-unmark-all-processable ()
10436 "Remove the process mark from all articles."
10439 (while gnus-newsgroup-processable
10440 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
10441 (gnus-summary-position-point))
10443 (defun gnus-summary-add-mark (article type)
10444 "Mark ARTICLE with a mark of TYPE."
10445 (let ((vtype (car (assq type gnus-article-mark-lists)))
10448 (error "No such mark type: %s" type)
10449 (setq var (intern (format "gnus-newsgroup-%s" type)))
10450 (set var (cons article (symbol-value var)))
10451 (if (memq type '(processable cached replied forwarded recent saved))
10452 (gnus-summary-update-secondary-mark article)
10453 ;;; !!! This is bogus. We should find out what primary
10454 ;;; !!! mark we want to set.
10455 (gnus-summary-update-mark gnus-del-mark 'unread)))))
10457 (defun gnus-summary-mark-as-expirable (n)
10458 "Mark N articles forward as expirable.
10459 If N is negative, mark backward instead. The difference between N and
10460 the actual number of articles marked is returned."
10462 (gnus-summary-mark-forward n gnus-expirable-mark))
10464 (defun gnus-summary-mark-as-spam (n)
10465 "Mark N articles forward as spam.
10466 If N is negative, mark backward instead. The difference between N and
10467 the actual number of articles marked is returned."
10469 (gnus-summary-mark-forward n gnus-spam-mark))
10471 (defun gnus-summary-mark-article-as-replied (article)
10472 "Mark ARTICLE as replied to and update the summary line.
10473 ARTICLE can also be a list of articles."
10474 (interactive (list (gnus-summary-article-number)))
10475 (let ((articles (if (listp article) article (list article))))
10476 (dolist (article articles)
10477 (unless (numberp article)
10478 (error "%s is not a number" article))
10479 (push article gnus-newsgroup-replied)
10480 (let ((inhibit-read-only t))
10481 (when (gnus-summary-goto-subject article nil t)
10482 (gnus-summary-update-secondary-mark article))))))
10484 (defun gnus-summary-mark-article-as-forwarded (article)
10485 "Mark ARTICLE as forwarded and update the summary line.
10486 ARTICLE can also be a list of articles."
10487 (let ((articles (if (listp article) article (list article))))
10488 (dolist (article articles)
10489 (push article gnus-newsgroup-forwarded)
10490 (let ((inhibit-read-only t))
10491 (when (gnus-summary-goto-subject article nil t)
10492 (gnus-summary-update-secondary-mark article))))))
10494 (defun gnus-summary-set-bookmark (article)
10495 "Set a bookmark in current article."
10496 (interactive (list (gnus-summary-article-number)))
10497 (when (or (not (get-buffer gnus-article-buffer))
10498 (not gnus-current-article)
10499 (not gnus-article-current)
10500 (not (equal gnus-newsgroup-name (car gnus-article-current))))
10501 (error "No current article selected"))
10502 ;; Remove old bookmark, if one exists.
10503 (gnus-pull article gnus-newsgroup-bookmarks)
10504 ;; Set the new bookmark, which is on the form
10505 ;; (article-number . line-number-in-body).
10508 (with-current-buffer gnus-article-buffer
10512 (article-goto-body)
10515 gnus-newsgroup-bookmarks)
10516 (gnus-message 6 "A bookmark has been added to the current article."))
10518 (defun gnus-summary-remove-bookmark (article)
10519 "Remove the bookmark from the current article."
10520 (interactive (list (gnus-summary-article-number)))
10521 ;; Remove old bookmark, if one exists.
10522 (if (not (assq article gnus-newsgroup-bookmarks))
10523 (gnus-message 6 "No bookmark in current article.")
10524 (gnus-pull article gnus-newsgroup-bookmarks)
10525 (gnus-message 6 "Removed bookmark.")))
10527 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10528 (defun gnus-summary-mark-as-dormant (n)
10529 "Mark N articles forward as dormant.
10530 If N is negative, mark backward instead. The difference between N and
10531 the actual number of articles marked is returned."
10533 (gnus-summary-mark-forward n gnus-dormant-mark))
10535 (defun gnus-summary-set-process-mark (article)
10536 "Set the process mark on ARTICLE and update the summary line."
10537 (setq gnus-newsgroup-processable
10539 (delq article gnus-newsgroup-processable)))
10540 (when (gnus-summary-goto-subject article)
10541 (gnus-summary-show-thread)
10542 (gnus-summary-goto-subject article)
10543 (gnus-summary-update-secondary-mark article)))
10545 (defun gnus-summary-remove-process-mark (&rest articles)
10546 "Remove the process mark from ARTICLES and update the summary line."
10547 (dolist (article articles)
10548 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
10549 (when (gnus-summary-goto-subject article)
10550 (gnus-summary-show-thread)
10551 (gnus-summary-goto-subject article)
10552 (gnus-summary-update-secondary-mark article)))
10555 (defun gnus-summary-set-saved-mark (article)
10556 "Set the process mark on ARTICLE and update the summary line."
10557 (push article gnus-newsgroup-saved)
10558 (when (gnus-summary-goto-subject article)
10559 (gnus-summary-update-secondary-mark article)))
10561 (defun gnus-summary-mark-forward (n &optional mark no-expire)
10562 "Mark N articles as read forwards.
10563 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
10564 The difference between N and the actual number of articles marked is
10566 If NO-EXPIRE, auto-expiry will be inhibited."
10568 (gnus-summary-show-thread)
10569 (let ((backward (< n 0))
10570 (gnus-summary-goto-unread
10571 (and gnus-summary-goto-unread
10572 (not (eq gnus-summary-goto-unread 'never))
10573 (not (memq mark (list gnus-unread-mark gnus-spam-mark
10574 gnus-ticked-mark gnus-dormant-mark)))))
10576 (mark (or mark gnus-del-mark)))
10577 (while (and (> n 0)
10578 (gnus-summary-mark-article nil mark no-expire)
10579 (zerop (gnus-summary-next-subject
10581 (and gnus-summary-goto-unread
10582 (not (eq gnus-summary-goto-unread 'never)))
10586 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
10587 (gnus-summary-recenter)
10588 (gnus-summary-position-point)
10589 (gnus-set-mode-line 'summary)
10592 (defun gnus-summary-mark-article-as-read (mark)
10593 "Mark the current article quickly as read with MARK."
10594 (let ((article (gnus-summary-article-number)))
10595 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10596 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10597 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10598 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10599 (push (cons article mark) gnus-newsgroup-reads)
10600 ;; Possibly remove from cache, if that is used.
10601 (when gnus-use-cache
10602 (gnus-cache-enter-remove-article article))
10603 ;; Allow the backend to change the mark.
10604 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10605 ;; Check for auto-expiry.
10606 (when (and gnus-newsgroup-auto-expire
10607 (memq mark gnus-auto-expirable-marks))
10608 (setq mark gnus-expirable-mark)
10609 ;; Let the backend know about the mark change.
10610 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10611 (push article gnus-newsgroup-expirable))
10612 ;; Set the mark in the buffer.
10613 (gnus-summary-update-mark mark 'unread)
10616 (defun gnus-summary-mark-article-as-unread (mark)
10617 "Mark the current article quickly as unread with MARK."
10618 (let* ((article (gnus-summary-article-number))
10619 (old-mark (gnus-summary-article-mark article)))
10620 ;; Allow the backend to change the mark.
10621 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10622 (if (eq mark old-mark)
10626 (gnus-error 1 "Can't mark negative article numbers")
10628 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10629 (setq gnus-newsgroup-spam-marked
10630 (delq article gnus-newsgroup-spam-marked))
10631 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10632 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
10633 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
10634 (cond ((= mark gnus-ticked-mark)
10635 (setq gnus-newsgroup-marked
10636 (gnus-add-to-sorted-list gnus-newsgroup-marked
10638 ((= mark gnus-spam-mark)
10639 (setq gnus-newsgroup-spam-marked
10640 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
10642 ((= mark gnus-dormant-mark)
10643 (setq gnus-newsgroup-dormant
10644 (gnus-add-to-sorted-list gnus-newsgroup-dormant
10647 (setq gnus-newsgroup-unreads
10648 (gnus-add-to-sorted-list gnus-newsgroup-unreads
10650 (gnus-pull article gnus-newsgroup-reads)
10652 ;; See whether the article is to be put in the cache.
10653 (and gnus-use-cache
10654 (vectorp (gnus-summary-article-header article))
10656 (gnus-cache-possibly-enter-article
10657 gnus-newsgroup-name article
10658 (= mark gnus-ticked-mark)
10659 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10662 (gnus-summary-update-mark mark 'unread)
10665 (defun gnus-summary-mark-article (&optional article mark no-expire)
10666 "Mark ARTICLE with MARK. MARK can be any character.
10667 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
10668 `??' (dormant) and `?E' (expirable).
10669 If MARK is nil, then the default character `?r' is used.
10670 If ARTICLE is nil, then the article on the current line will be
10672 If NO-EXPIRE, auto-expiry will be inhibited."
10673 ;; The mark might be a string.
10674 (when (stringp mark)
10675 (setq mark (aref mark 0)))
10676 ;; If no mark is given, then we check auto-expiring.
10678 (setq mark gnus-del-mark))
10679 (when (and (not no-expire)
10680 gnus-newsgroup-auto-expire
10681 (memq mark gnus-auto-expirable-marks))
10682 (setq mark gnus-expirable-mark))
10683 (let ((article (or article (gnus-summary-article-number)))
10684 (old-mark (gnus-summary-article-mark article)))
10685 ;; Allow the backend to change the mark.
10686 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
10687 (if (eq mark old-mark)
10690 (error "No article on current line"))
10691 (if (not (if (or (= mark gnus-unread-mark)
10692 (= mark gnus-ticked-mark)
10693 (= mark gnus-spam-mark)
10694 (= mark gnus-dormant-mark))
10695 (gnus-mark-article-as-unread article mark)
10696 (gnus-mark-article-as-read article mark)))
10698 ;; See whether the article is to be put in the cache.
10699 (and gnus-use-cache
10700 (not (= mark gnus-canceled-mark))
10701 (vectorp (gnus-summary-article-header article))
10703 (gnus-cache-possibly-enter-article
10704 gnus-newsgroup-name article
10705 (= mark gnus-ticked-mark)
10706 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
10708 (when (gnus-summary-goto-subject article nil t)
10709 (let ((inhibit-read-only t))
10710 (gnus-summary-show-thread)
10712 (gnus-summary-update-mark mark 'unread)
10715 (defun gnus-summary-update-secondary-mark (article)
10716 "Update the secondary (read, process, cache) mark."
10717 (gnus-summary-update-mark
10718 (cond ((memq article gnus-newsgroup-processable)
10720 ((memq article gnus-newsgroup-cached)
10722 ((memq article gnus-newsgroup-replied)
10724 ((memq article gnus-newsgroup-forwarded)
10725 gnus-forwarded-mark)
10726 ((memq article gnus-newsgroup-saved)
10728 ((memq article gnus-newsgroup-recent)
10730 ((memq article gnus-newsgroup-unseen)
10734 (when (gnus-visual-p 'summary-highlight 'highlight)
10735 (gnus-run-hooks 'gnus-summary-update-hook))
10738 (defun gnus-summary-update-download-mark (article)
10739 "Update the download mark."
10740 (gnus-summary-update-mark
10741 (cond ((memq article gnus-newsgroup-undownloaded)
10742 gnus-undownloaded-mark)
10743 (gnus-newsgroup-agentized
10744 gnus-downloaded-mark)
10748 (gnus-summary-update-line t)
10751 (defun gnus-summary-update-mark (mark type)
10752 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
10753 (inhibit-read-only t))
10754 (re-search-backward "[\n\r]" (point-at-bol) 'move-to-limit)
10756 (when (looking-at "\r")
10758 (when (<= (+ forward (point)) (point-max))
10759 ;; Go to the right position on the line.
10760 (goto-char (+ forward (point)))
10761 ;; Replace the old mark with the new mark.
10762 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
10763 ;; Optionally update the marks by some user rule.
10764 (when (eq type 'unread)
10765 (gnus-data-set-mark
10766 (gnus-data-find (gnus-summary-article-number)) mark)
10767 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
10769 (defun gnus-mark-article-as-read (article &optional mark)
10770 "Enter ARTICLE in the pertinent lists and remove it from others."
10771 ;; Make the article expirable.
10772 (let ((mark (or mark gnus-del-mark)))
10773 (setq gnus-newsgroup-expirable
10774 (if (= mark gnus-expirable-mark)
10775 (gnus-add-to-sorted-list gnus-newsgroup-expirable article)
10776 (delq article gnus-newsgroup-expirable)))
10777 ;; Remove from unread and marked lists.
10778 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10779 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
10780 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
10781 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
10782 (push (cons article mark) gnus-newsgroup-reads)
10783 ;; Possibly remove from cache, if that is used.
10784 (when gnus-use-cache
10785 (gnus-cache-enter-remove-article article))
10788 (defun gnus-mark-article-as-unread (article &optional mark)
10789 "Enter ARTICLE in the pertinent lists and remove it from others."
10790 (let ((mark (or mark gnus-ticked-mark)))
10793 (gnus-error 1 "Can't mark negative article numbers")
10795 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
10796 gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked)
10797 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
10798 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
10799 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
10801 ;; Unsuppress duplicates?
10802 (when gnus-suppress-duplicates
10803 (gnus-dup-unsuppress-article article))
10805 (cond ((= mark gnus-ticked-mark)
10806 (setq gnus-newsgroup-marked
10807 (gnus-add-to-sorted-list gnus-newsgroup-marked article)))
10808 ((= mark gnus-spam-mark)
10809 (setq gnus-newsgroup-spam-marked
10810 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
10812 ((= mark gnus-dormant-mark)
10813 (setq gnus-newsgroup-dormant
10814 (gnus-add-to-sorted-list gnus-newsgroup-dormant article)))
10816 (setq gnus-newsgroup-unreads
10817 (gnus-add-to-sorted-list gnus-newsgroup-unreads article))))
10818 (gnus-pull article gnus-newsgroup-reads)
10821 (defalias 'gnus-summary-mark-as-unread-forward
10822 'gnus-summary-tick-article-forward)
10823 (make-obsolete 'gnus-summary-mark-as-unread-forward
10824 'gnus-summary-tick-article-forward)
10825 (defun gnus-summary-tick-article-forward (n)
10826 "Tick N articles forwards.
10827 If N is negative, tick backwards instead.
10828 The difference between N and the number of articles ticked is returned."
10830 (gnus-summary-mark-forward n gnus-ticked-mark))
10832 (defalias 'gnus-summary-mark-as-unread-backward
10833 'gnus-summary-tick-article-backward)
10834 (make-obsolete 'gnus-summary-mark-as-unread-backward
10835 'gnus-summary-tick-article-backward)
10836 (defun gnus-summary-tick-article-backward (n)
10837 "Tick N articles backwards.
10838 The difference between N and the number of articles ticked is returned."
10840 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
10842 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10843 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10844 (defun gnus-summary-tick-article (&optional article clear-mark)
10845 "Mark current article as unread.
10846 Optional 1st argument ARTICLE specifies article number to be marked as unread.
10847 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
10849 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
10850 gnus-ticked-mark)))
10852 (defun gnus-summary-mark-as-read-forward (n)
10853 "Mark N articles as read forwards.
10854 If N is negative, mark backwards instead.
10855 The difference between N and the actual number of articles marked is
10858 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
10860 (defun gnus-summary-mark-as-read-backward (n)
10861 "Mark the N articles as read backwards.
10862 The difference between N and the actual number of articles marked is
10865 (gnus-summary-mark-forward
10866 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
10868 (defun gnus-summary-mark-as-read (&optional article mark)
10869 "Mark current article as read.
10870 ARTICLE specifies the article to be marked as read.
10871 MARK specifies a string to be inserted at the beginning of the line."
10872 (gnus-summary-mark-article article mark))
10874 (defun gnus-summary-clear-mark-forward (n)
10875 "Clear marks from N articles forward.
10876 If N is negative, clear backward instead.
10877 The difference between N and the number of marks cleared is returned."
10879 (gnus-summary-mark-forward n gnus-unread-mark))
10881 (defun gnus-summary-clear-mark-backward (n)
10882 "Clear marks from N articles backward.
10883 The difference between N and the number of marks cleared is returned."
10885 (gnus-summary-mark-forward (- n) gnus-unread-mark))
10887 (defun gnus-summary-mark-unread-as-read ()
10888 "Intended to be used by `gnus-mark-article-hook'."
10889 (when (memq gnus-current-article gnus-newsgroup-unreads)
10890 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
10892 (defun gnus-summary-mark-read-and-unread-as-read (&optional new-mark)
10893 "Intended to be used by `gnus-mark-article-hook'."
10894 (let ((mark (gnus-summary-article-mark)))
10895 (when (or (gnus-unread-mark-p mark)
10896 (gnus-read-mark-p mark))
10897 (gnus-summary-mark-article gnus-current-article
10898 (or new-mark gnus-read-mark)))))
10900 (defun gnus-summary-mark-current-read-and-unread-as-read (&optional new-mark)
10901 "Intended to be used by `gnus-mark-article-hook'."
10902 (let ((mark (gnus-summary-article-mark)))
10903 (when (or (gnus-unread-mark-p mark)
10904 (gnus-read-mark-p mark))
10905 (gnus-summary-mark-article (gnus-summary-article-number)
10906 (or new-mark gnus-read-mark)))))
10908 (defun gnus-summary-mark-unread-as-ticked ()
10909 "Intended to be used by `gnus-mark-article-hook'."
10910 (when (memq gnus-current-article gnus-newsgroup-unreads)
10911 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
10913 (defun gnus-summary-mark-region-as-read (point mark all)
10914 "Mark all unread articles between point and mark as read.
10915 If given a prefix, mark all articles between point and mark as read,
10916 even ticked and dormant ones."
10917 (interactive "r\nP")
10921 (beginning-of-line)
10926 (memq (setq article (gnus-summary-article-number))
10927 gnus-newsgroup-unreads))
10928 (gnus-summary-mark-article article gnus-del-mark))
10930 (gnus-summary-find-next))))))
10932 (defun gnus-summary-mark-below (score mark)
10933 "Mark articles with score less than SCORE with MARK."
10934 (interactive "P\ncMark: ")
10935 (setq score (if score
10936 (prefix-numeric-value score)
10937 (or gnus-summary-default-score 0)))
10938 (with-current-buffer gnus-summary-buffer
10939 (goto-char (point-min))
10942 (and (< (gnus-summary-article-score) score)
10943 (gnus-summary-mark-article nil mark))
10944 (gnus-summary-find-next)))))
10946 (defun gnus-summary-kill-below (&optional score)
10947 "Mark articles with score below SCORE as read."
10949 (gnus-summary-mark-below score gnus-killed-mark))
10951 (defun gnus-summary-clear-above (&optional score)
10952 "Clear all marks from articles with score above SCORE."
10954 (gnus-summary-mark-above score gnus-unread-mark))
10956 (defun gnus-summary-tick-above (&optional score)
10957 "Tick all articles with score above SCORE."
10959 (gnus-summary-mark-above score gnus-ticked-mark))
10961 (defun gnus-summary-mark-above (score mark)
10962 "Mark articles with score over SCORE with MARK."
10963 (interactive "P\ncMark: ")
10964 (setq score (if score
10965 (prefix-numeric-value score)
10966 (or gnus-summary-default-score 0)))
10967 (with-current-buffer gnus-summary-buffer
10968 (goto-char (point-min))
10970 (when (> (gnus-summary-article-score) score)
10971 (gnus-summary-mark-article nil mark))
10973 (gnus-summary-find-next)))))
10975 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10976 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
10977 (defun gnus-summary-limit-include-expunged (&optional no-error)
10978 "Display all the hidden articles that were expunged for low scores."
10980 (let ((inhibit-read-only t))
10981 (let ((scored gnus-newsgroup-scored)
10984 (unless (gnus-summary-article-header (caar scored))
10985 (and (setq h (gnus-number-to-header (caar scored)))
10986 (< (cdar scored) gnus-summary-expunge-below)
10988 (setq scored (cdr scored)))
10990 (when (not no-error)
10991 (error "No expunged articles hidden"))
10992 (goto-char (point-min))
10993 (push gnus-newsgroup-limit gnus-newsgroup-limits)
10994 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
10995 (dolist (x headers)
10996 (push (mail-header-number x) gnus-newsgroup-limit))
10997 (gnus-summary-prepare-unthreaded (nreverse headers))
10998 (goto-char (point-min))
10999 (gnus-summary-position-point)
11002 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
11003 "Mark all unread articles in this newsgroup as read.
11004 If prefix argument ALL is non-nil, ticked and dormant articles will
11005 also be marked as read.
11006 If QUIETLY is non-nil, no questions will be asked.
11008 If TO-HERE is non-nil, it should be a point in the buffer. All
11009 articles before (after, if REVERSE is set) this point will be marked
11012 Note that this function will only catch up the unread article
11013 in the current summary buffer limitation.
11015 The number of articles marked as read is returned."
11020 (not gnus-interactive-catchup) ;Without confirmation?
11024 "Mark absolutely all articles as read? "
11025 "Mark all unread articles as read? ")))
11027 (not gnus-newsgroup-adaptive)
11028 (not gnus-newsgroup-auto-expire)
11029 (not gnus-suppress-duplicates)
11030 (or (not gnus-use-cache)
11031 (eq gnus-use-cache 'passive)))
11034 (setq gnus-newsgroup-marked nil
11035 gnus-newsgroup-spam-marked nil
11036 gnus-newsgroup-dormant nil))
11037 (setq gnus-newsgroup-unreads
11038 (gnus-sorted-nunion
11039 (gnus-sorted-intersection gnus-newsgroup-unreads
11040 gnus-newsgroup-downloadable)
11041 (gnus-sorted-difference gnus-newsgroup-unfetched
11042 gnus-newsgroup-cached))))
11043 ;; We actually mark all articles as canceled, which we
11044 ;; have to do when using auto-expiry or adaptive scoring.
11045 (gnus-summary-show-all-threads)
11046 (if (and to-here reverse)
11048 (goto-char to-here)
11049 (gnus-summary-mark-current-read-and-unread-as-read
11051 (while (gnus-summary-find-next (not all))
11052 (gnus-summary-mark-article-as-read gnus-catchup-mark)))
11053 (when (gnus-summary-first-subject (not all))
11055 (if to-here (< (point) to-here) t)
11056 (gnus-summary-mark-article-as-read gnus-catchup-mark)
11057 (gnus-summary-find-next (not all))))))
11058 (gnus-set-mode-line 'summary))
11060 (gnus-summary-position-point)))
11062 (defun gnus-summary-catchup-to-here (&optional all)
11063 "Mark all unticked articles before the current one as read.
11064 If ALL is non-nil, also mark ticked and dormant articles as read."
11067 (gnus-save-hidden-threads
11068 (let ((beg (point)))
11069 ;; We check that there are unread articles.
11070 (when (or all (gnus-summary-find-prev))
11071 (gnus-summary-catchup all t beg)))))
11072 (gnus-summary-position-point))
11074 (defun gnus-summary-catchup-from-here (&optional all)
11075 "Mark all unticked articles after (and including) the current one as read.
11076 If ALL is non-nil, also mark ticked and dormant articles as read."
11079 (gnus-save-hidden-threads
11080 (let ((beg (point)))
11081 ;; We check that there are unread articles.
11082 (when (or all (gnus-summary-find-next))
11083 (gnus-summary-catchup all t beg nil t)))))
11084 (gnus-summary-position-point))
11086 (defun gnus-summary-catchup-all (&optional quietly)
11087 "Mark all articles in this newsgroup as read.
11088 This command is dangerous. Normally, you want \\[gnus-summary-catchup]
11089 instead, which marks only unread articles as read."
11091 (gnus-summary-catchup t quietly))
11093 (defun gnus-summary-catchup-and-exit (&optional all quietly)
11094 "Mark all unread articles in this group as read, then exit.
11095 If prefix argument ALL is non-nil, all articles are marked as read.
11096 If QUIETLY is non-nil, no questions will be asked."
11098 (when (gnus-summary-catchup all quietly nil 'fast)
11099 ;; Select next newsgroup or exit.
11100 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
11101 (eq gnus-auto-select-next 'quietly))
11102 (gnus-summary-next-group nil)
11103 (gnus-summary-exit))))
11105 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
11106 "Mark all articles in this newsgroup as read, and then exit.
11107 This command is dangerous. Normally, you want \\[gnus-summary-catchup-and-exit]
11108 instead, which marks only unread articles as read."
11110 (gnus-summary-catchup-and-exit t quietly))
11112 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
11113 "Mark all articles in this group as read and select the next group.
11114 If given a prefix, mark all articles, unread as well as ticked, as
11118 (gnus-summary-catchup all))
11119 (gnus-summary-next-group))
11121 (defun gnus-summary-catchup-and-goto-prev-group (&optional all)
11122 "Mark all articles in this group as read and select the previous group.
11123 If given a prefix, mark all articles, unread as well as ticked, as
11127 (gnus-summary-catchup all))
11128 (gnus-summary-next-group nil nil t))
11134 (defmacro gnus-with-article (article &rest forms)
11135 "Select ARTICLE and perform FORMS in the original article buffer.
11136 Then replace the article with the result."
11138 ;; We don't want the article to be marked as read.
11139 (let (gnus-mark-article-hook)
11140 (gnus-summary-select-article t t nil ,article))
11141 (set-buffer gnus-original-article-buffer)
11143 (if (not (gnus-check-backend-function
11144 'request-replace-article (car gnus-article-current)))
11145 (gnus-message 5 "Read-only group; not replacing")
11146 (unless (gnus-request-replace-article
11147 ,article (car gnus-article-current)
11148 (current-buffer) t)
11149 (error "Couldn't replace article")))
11150 ;; The cache and backlog have to be flushed somewhat.
11151 (when gnus-keep-backlog
11152 (gnus-backlog-remove-article
11153 (car gnus-article-current) (cdr gnus-article-current)))
11154 (when gnus-use-cache
11155 (gnus-cache-update-article
11156 (car gnus-article-current) (cdr gnus-article-current)))))
11158 (put 'gnus-with-article 'lisp-indent-function 1)
11159 (put 'gnus-with-article 'edebug-form-spec '(form body))
11161 ;; Thread-based commands.
11163 (defun gnus-summary-articles-in-thread (&optional article)
11164 "Return a list of all articles in the current thread.
11165 If ARTICLE is non-nil, return all articles in the thread that starts
11166 with that article."
11167 (let* ((article (or article (gnus-summary-article-number)))
11168 (data (gnus-data-find-list article))
11169 (top-level (gnus-data-level (car data)))
11171 (cond ((null gnus-thread-operation-ignore-subject)
11172 (gnus-simplify-subject-re
11173 (mail-header-subject (gnus-data-header (car data)))))
11174 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
11175 (gnus-simplify-subject-fuzzy
11176 (mail-header-subject (gnus-data-header (car data)))))
11178 (end-point (save-excursion
11179 (if (gnus-summary-go-to-next-thread)
11180 (point) (point-max))))
11183 (< (gnus-data-pos (car data)) end-point))
11184 (when (or (not top-subject)
11185 (string= top-subject
11186 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
11187 (gnus-simplify-subject-fuzzy
11188 (mail-header-subject
11189 (gnus-data-header (car data))))
11190 (gnus-simplify-subject-re
11191 (mail-header-subject
11192 (gnus-data-header (car data)))))))
11193 (push (gnus-data-number (car data)) articles))
11194 (unless (and (setq data (cdr data))
11195 (> (gnus-data-level (car data)) top-level))
11197 ;; Return the list of articles.
11198 (nreverse articles)))
11200 (defun gnus-summary-rethread-current ()
11201 "Rethread the thread the current article is part of."
11203 (let* ((gnus-show-threads t)
11204 (article (gnus-summary-article-number))
11205 (id (mail-header-id (gnus-summary-article-header)))
11206 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
11208 (error "No article on the current line"))
11209 (gnus-rebuild-thread id)
11210 (gnus-summary-goto-subject article)))
11212 (defun gnus-summary-reparent-thread ()
11213 "Make the current article child of the marked (or previous) article.
11215 Note that the re-threading will only work if `gnus-thread-ignore-subject'
11216 is non-nil or the Subject: of both articles are the same."
11218 (unless (not (gnus-group-read-only-p))
11219 (error "The current newsgroup does not support article editing"))
11220 (unless (<= (length gnus-newsgroup-processable) 1)
11221 (error "No more than one article may be marked"))
11222 (let ((child (gnus-summary-article-number))
11223 ;; First grab the marked article, otherwise one line up.
11224 (parent (if (not (null gnus-newsgroup-processable))
11225 (car gnus-newsgroup-processable)
11227 (if (eq (forward-line -1) 0)
11228 (gnus-summary-article-number)
11229 (error "Beginning of summary buffer"))))))
11230 (gnus-summary-reparent-children parent (list child))))
11232 (defun gnus-summary-reparent-children (parent children)
11233 "Make PARENT the parent of CHILDREN.
11234 When called interactively, PARENT is the current article and CHILDREN
11235 are the process-marked articles."
11237 (list (gnus-summary-article-number)
11238 (gnus-summary-work-articles nil)))
11239 (dolist (child children)
11240 (save-window-excursion
11241 (let ((gnus-article-buffer " *reparent*"))
11242 (unless (not (eq parent child))
11243 (error "An article may not be self-referential"))
11244 (let ((message-id (mail-header-id
11245 (gnus-summary-article-header parent))))
11246 (unless (and message-id (not (equal message-id "")))
11247 (error "No message-id in desired parent"))
11248 (gnus-with-article child
11250 (goto-char (point-min))
11251 (message-narrow-to-head)
11252 (if (re-search-forward "^References: " nil t)
11254 (re-search-forward "^[^ \t]" nil t)
11257 (insert " " message-id))
11258 (insert "References: " message-id "\n"))))
11259 (set-buffer gnus-summary-buffer)
11260 (gnus-summary-unmark-all-processable)
11261 (gnus-summary-update-article child)
11262 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
11263 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
11264 (gnus-summary-rethread-current)
11265 (gnus-message 3 "Article %d is now the child of article %d"
11268 (defun gnus-summary-toggle-threads (&optional arg)
11269 "Toggle showing conversation threads.
11270 If ARG is positive number, turn showing conversation threads on."
11272 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
11273 (setq gnus-show-threads
11274 (if (null arg) (not gnus-show-threads)
11275 (> (prefix-numeric-value arg) 0)))
11276 (gnus-summary-prepare)
11277 (gnus-summary-goto-subject current)
11278 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
11279 (gnus-summary-position-point)))
11281 (defun gnus-summary-show-all-threads ()
11282 "Show all threads."
11285 (let ((buffer-read-only nil))
11286 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
11287 (gnus-summary-position-point))
11289 (defun gnus-summary-show-thread ()
11290 "Show thread subtrees.
11291 Returns nil if no thread was there to be shown."
11293 (let ((buffer-read-only nil)
11295 (end (point-at-eol))
11296 ;; Leave point at bol
11297 (beg (progn (beginning-of-line) (point))))
11299 ;; Any hidden lines here?
11300 (search-forward "\r" end t)
11301 (subst-char-in-region beg end ?\^M ?\n t)
11303 (gnus-summary-position-point))))
11305 (defun gnus-summary-maybe-hide-threads ()
11306 "If requested, hide the threads that should be hidden."
11307 (when (and gnus-show-threads
11308 gnus-thread-hide-subtree)
11309 (gnus-summary-hide-all-threads
11310 (if (or (consp gnus-thread-hide-subtree)
11311 (functionp gnus-thread-hide-subtree))
11312 (gnus-make-predicate gnus-thread-hide-subtree)
11315 ;;; Hiding predicates.
11317 (defun gnus-article-unread-p (header)
11318 (memq (mail-header-number header) gnus-newsgroup-unreads))
11320 (defun gnus-article-unseen-p (header)
11321 (memq (mail-header-number header) gnus-newsgroup-unseen))
11323 (defun gnus-map-articles (predicate articles)
11324 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
11325 (apply 'gnus-or (mapcar predicate
11326 (mapcar (lambda (number)
11327 (gnus-summary-article-header number))
11330 (defun gnus-summary-hide-all-threads (&optional predicate)
11331 "Hide all thread subtrees.
11332 If PREDICATE is supplied, threads that satisfy this predicate
11333 will not be hidden."
11336 (goto-char (point-min))
11339 (when (or (not predicate)
11341 predicate (gnus-summary-article-children)))
11342 (gnus-summary-hide-thread))
11343 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
11344 (gnus-summary-position-point))
11346 (defun gnus-summary-hide-thread ()
11347 "Hide thread subtrees.
11348 If PREDICATE is supplied, threads that satisfy this predicate
11349 will not be hidden.
11350 Returns nil if no threads were there to be hidden."
11352 (let ((buffer-read-only nil)
11354 (article (gnus-summary-article-number)))
11356 ;; Go forward until either the buffer ends or the subthread ends.
11357 (when (and (not (eobp))
11358 (or (zerop (gnus-summary-next-thread 1 t))
11359 (goto-char (point-max))))
11361 (if (and (> (point) start)
11362 (search-backward "\n" start t))
11364 (subst-char-in-region start (point) ?\n ?\^M)
11365 (gnus-summary-goto-subject article))
11369 (defun gnus-summary-go-to-next-thread (&optional previous)
11370 "Go to the same level (or less) next thread.
11371 If PREVIOUS is non-nil, go to previous thread instead.
11372 Return the article number moved to, or nil if moving was impossible."
11373 (let ((level (gnus-summary-thread-level))
11374 (way (if previous -1 1))
11377 (while (and (not (eobp))
11378 (< level (gnus-summary-thread-level)))
11379 (forward-line way))
11386 (gnus-summary-article-number)
11387 (goto-char beg)))))
11389 (defun gnus-summary-next-thread (n &optional silent)
11390 "Go to the same level next N'th thread.
11391 If N is negative, search backward instead.
11392 Returns the difference between N and the number of skips actually
11395 If SILENT, don't output messages."
11397 (let ((backward (< n 0))
11399 (while (and (> n 0)
11400 (gnus-summary-go-to-next-thread backward))
11403 (gnus-summary-position-point))
11404 (when (and (not silent) (/= 0 n))
11405 (gnus-message 7 "No more threads"))
11408 (defun gnus-summary-prev-thread (n)
11409 "Go to the same level previous N'th thread.
11410 Returns the difference between N and the number of skips actually
11413 (gnus-summary-next-thread (- n)))
11415 (defun gnus-summary-go-down-thread ()
11416 "Go down one level in the current thread."
11417 (let ((children (gnus-summary-article-children)))
11419 (gnus-summary-goto-subject (car children)))))
11421 (defun gnus-summary-go-up-thread ()
11422 "Go up one level in the current thread."
11423 (let ((parent (gnus-summary-article-parent)))
11425 (gnus-summary-goto-subject parent))))
11427 (defun gnus-summary-down-thread (n)
11428 "Go down thread N steps.
11429 If N is negative, go up instead.
11430 Returns the difference between N and how many steps down that were
11435 (while (and (> n 0)
11436 (if up (gnus-summary-go-up-thread)
11437 (gnus-summary-go-down-thread)))
11439 (gnus-summary-position-point)
11441 (gnus-message 7 "Can't go further"))
11444 (defun gnus-summary-up-thread (n)
11445 "Go up thread N steps.
11446 If N is negative, go down instead.
11447 Returns the difference between N and how many steps down that were
11450 (gnus-summary-down-thread (- n)))
11452 (defun gnus-summary-top-thread ()
11453 "Go to the top of the thread."
11455 (while (gnus-summary-go-up-thread))
11456 (gnus-summary-article-number))
11458 (defun gnus-summary-expire-thread ()
11459 "Mark articles under current thread as expired."
11461 (gnus-summary-kill-thread 0))
11463 (defun gnus-summary-kill-thread (&optional unmark)
11464 "Mark articles under current thread as read.
11465 If the prefix argument is positive, remove any kinds of marks.
11466 If the prefix argument is zero, mark thread as expired.
11467 If the prefix argument is negative, tick articles instead."
11470 (setq unmark (prefix-numeric-value unmark)))
11471 (let ((articles (gnus-summary-articles-in-thread))
11472 (hide (or (null unmark) (= unmark 0))))
11474 ;; Expand the thread.
11475 (gnus-summary-show-thread)
11476 ;; Mark all the articles.
11478 (gnus-summary-goto-subject (car articles))
11479 (cond ((null unmark)
11480 (gnus-summary-mark-article-as-read gnus-killed-mark))
11482 (gnus-summary-mark-article-as-unread gnus-unread-mark))
11484 (gnus-summary-mark-article-as-unread gnus-expirable-mark))
11486 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
11487 (setq articles (cdr articles))))
11488 ;; Hide killed subtrees when hide is true.
11490 gnus-thread-hide-killed
11491 (gnus-summary-hide-thread))
11492 ;; If hide is t, go to next unread subject.
11494 ;; Go to next unread subject.
11495 (gnus-summary-next-subject 1 t)))
11496 (gnus-set-mode-line 'summary))
11498 ;; Summary sorting commands
11500 (defun gnus-summary-sort-by-number (&optional reverse)
11501 "Sort the summary buffer by article number.
11502 Argument REVERSE means reverse order."
11504 (gnus-summary-sort 'number reverse))
11506 (defun gnus-summary-sort-by-most-recent-number (&optional reverse)
11507 "Sort the summary buffer by most recent article number.
11508 Argument REVERSE means reverse order."
11510 (gnus-summary-sort 'most-recent-number reverse))
11512 (defun gnus-summary-sort-by-random (&optional reverse)
11513 "Randomize the order in the summary buffer.
11514 Argument REVERSE means to randomize in reverse order."
11516 (gnus-summary-sort 'random reverse))
11518 (defun gnus-summary-sort-by-author (&optional reverse)
11519 "Sort the summary buffer by author name alphabetically.
11520 If `case-fold-search' is non-nil, case of letters is ignored.
11521 Argument REVERSE means reverse order."
11523 (gnus-summary-sort 'author reverse))
11525 (defun gnus-summary-sort-by-recipient (&optional reverse)
11526 "Sort the summary buffer by recipient name alphabetically.
11527 If `case-fold-search' is non-nil, case of letters is ignored.
11528 Argument REVERSE means reverse order."
11530 (gnus-summary-sort 'recipient reverse))
11532 (defun gnus-summary-sort-by-subject (&optional reverse)
11533 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
11534 If `case-fold-search' is non-nil, case of letters is ignored.
11535 Argument REVERSE means reverse order."
11537 (gnus-summary-sort 'subject reverse))
11539 (defun gnus-summary-sort-by-date (&optional reverse)
11540 "Sort the summary buffer by date.
11541 Argument REVERSE means reverse order."
11543 (gnus-summary-sort 'date reverse))
11545 (defun gnus-summary-sort-by-most-recent-date (&optional reverse)
11546 "Sort the summary buffer by most recent date.
11547 Argument REVERSE means reverse order."
11549 (gnus-summary-sort 'most-recent-date reverse))
11551 (defun gnus-summary-sort-by-score (&optional reverse)
11552 "Sort the summary buffer by score.
11553 Argument REVERSE means reverse order."
11555 (gnus-summary-sort 'score reverse))
11557 (defun gnus-summary-sort-by-lines (&optional reverse)
11558 "Sort the summary buffer by the number of lines.
11559 Argument REVERSE means reverse order."
11561 (gnus-summary-sort 'lines reverse))
11563 (defun gnus-summary-sort-by-chars (&optional reverse)
11564 "Sort the summary buffer by article length.
11565 Argument REVERSE means reverse order."
11567 (gnus-summary-sort 'chars reverse))
11569 (defun gnus-summary-sort-by-original (&optional reverse)
11570 "Sort the summary buffer using the default sorting method.
11571 Argument REVERSE means reverse order."
11573 (let* ((inhibit-read-only t)
11574 (gnus-summary-prepare-hook nil))
11575 ;; We do the sorting by regenerating the threads.
11576 (gnus-summary-prepare)
11577 ;; Hide subthreads if needed.
11578 (gnus-summary-maybe-hide-threads)))
11580 (defun gnus-summary-sort (predicate reverse)
11581 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
11582 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
11583 (article (intern (format "gnus-article-sort-by-%s" predicate)))
11584 (gnus-thread-sort-functions
11589 (gnus-sort-gathered-threads-function
11590 gnus-thread-sort-functions)
11591 (gnus-article-sort-functions
11595 (,article t2 t1))))
11596 (inhibit-read-only t)
11597 (gnus-summary-prepare-hook nil))
11598 ;; We do the sorting by regenerating the threads.
11599 (gnus-summary-prepare)
11600 ;; Hide subthreads if needed.
11601 (gnus-summary-maybe-hide-threads)))
11603 ;; Summary saving commands.
11605 (defun gnus-summary-save-article (&optional n not-saved)
11606 "Save the current article using the default saver function.
11607 If N is a positive number, save the N next articles.
11608 If N is a negative number, save the N previous articles.
11609 If N is nil and any articles have been marked with the process mark,
11610 save those articles instead.
11611 The variable `gnus-default-article-saver' specifies the saver function.
11613 If the optional second argument NOT-SAVED is non-nil, articles saved
11614 will not be marked as saved."
11616 (require 'gnus-art)
11617 (let* ((articles (gnus-summary-work-articles n))
11618 (save-buffer (save-excursion
11619 (nnheader-set-temp-buffer " *Gnus Save*")))
11620 (num (length articles))
11621 ;; Whether to save decoded articles or raw articles.
11622 (decode (when gnus-article-save-coding-system
11623 (get gnus-default-article-saver :decode)))
11624 ;; When saving many articles in a single file, use the other
11625 ;; function to save articles other than the first one.
11626 (saver2 (get gnus-default-article-saver :function))
11627 (gnus-prompt-before-saving (if saver2
11629 gnus-prompt-before-saving))
11630 (gnus-default-article-saver gnus-default-article-saver)
11632 (dolist (article articles)
11633 (setq header (gnus-summary-article-header article))
11634 (if (not (vectorp header))
11635 ;; This is a pseudo-article.
11636 (if (assq 'name header)
11637 (gnus-copy-file (cdr (assq 'name header)))
11638 (gnus-message 1 "Article %d is unsaveable" article))
11639 ;; This is a real article.
11640 (save-window-excursion
11641 (let ((gnus-display-mime-function (when decode
11642 gnus-display-mime-function))
11643 (gnus-article-prepare-hook (when decode
11644 gnus-article-prepare-hook)))
11645 (gnus-summary-select-article t t nil article)
11646 (gnus-summary-goto-subject article)))
11647 (with-current-buffer save-buffer
11649 (insert-buffer-substring (if decode
11650 gnus-article-buffer
11651 gnus-original-article-buffer)))
11652 (setq file (gnus-article-save save-buffer file num))
11653 (gnus-summary-remove-process-mark article)
11655 (gnus-summary-set-saved-mark article)))
11657 (setq gnus-default-article-saver saver2
11659 (gnus-kill-buffer save-buffer)
11660 (gnus-summary-position-point)
11661 (gnus-set-mode-line 'summary)
11664 (defun gnus-summary-pipe-output (&optional n sym)
11665 "Pipe the current article to a subprocess.
11666 If N is a positive number, pipe the N next articles.
11667 If N is a negative number, pipe the N previous articles.
11668 If N is nil and any articles have been marked with the process mark,
11669 pipe those articles instead.
11670 The default command to which articles are piped is specified by the
11671 variable `gnus-summary-pipe-output-default-command'; if it is nil, you
11672 will be prompted for the command.
11674 The properties `:decode' and `:headers' that are put to the function
11675 symbol `gnus-summary-save-in-pipe' control whether this function
11676 decodes articles and what headers to keep (see the doc string for the
11677 `gnus-default-article-saver' variable). If SYM (the symbolic prefix)
11678 is neither omitted nor the symbol `r', force including all headers
11679 regardless of the `:headers' property. If it is the symbol `r',
11680 articles that are not decoded and include all headers will be piped
11681 no matter what the properties `:decode' and `:headers' are."
11682 (interactive (gnus-interactive "P\ny"))
11683 (require 'gnus-art)
11684 (let* ((articles (gnus-summary-work-articles n))
11685 (result-buffer "*Shell Command Output*")
11686 (all-headers (not (memq sym '(nil r))))
11687 (gnus-save-all-headers (or all-headers gnus-save-all-headers))
11689 (headers (get 'gnus-summary-save-in-pipe :headers))
11691 (unless (numberp (car articles))
11692 (error "No article to pipe"))
11693 (setq command (gnus-read-shell-command
11694 (concat "Shell command on "
11696 (format "these %d articles" (length articles))
11699 gnus-summary-pipe-output-default-command))
11700 (when (string-equal command "")
11701 (error "A command is required"))
11703 (put 'gnus-summary-save-in-pipe :headers nil))
11706 (gnus-summary-goto-subject (pop articles))
11707 (save-window-excursion (gnus-summary-save-in-pipe command raw))
11708 (when (and (get-buffer result-buffer)
11709 (not (zerop (buffer-size (get-buffer result-buffer)))))
11710 (setq result (concat result (with-current-buffer result-buffer
11711 (buffer-string))))))
11712 (put 'gnus-summary-save-in-pipe :headers headers))
11713 (unless (zerop (length result))
11714 (if (with-current-buffer (get-buffer-create result-buffer)
11718 (and (= (count-lines (point-min) (point)) 1)
11721 (<= (current-column)
11722 (window-width (minibuffer-window)))))
11723 (goto-char (point-min))))
11724 (message "%s" (substring result 0 -1))
11726 (gnus-configure-windows 'pipe)))))
11728 (defun gnus-summary-save-article-mail (&optional arg)
11729 "Append the current article to a Unix mail box file.
11730 If N is a positive number, save the N next articles.
11731 If N is a negative number, save the N previous articles.
11732 If N is nil and any articles have been marked with the process mark,
11733 save those articles instead."
11735 (require 'gnus-art)
11736 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
11737 (gnus-summary-save-article arg)))
11739 (defun gnus-summary-save-article-rmail (&optional arg)
11740 "Append the current article to an rmail file.
11741 If N is a positive number, save the N next articles.
11742 If N is a negative number, save the N previous articles.
11743 If N is nil and any articles have been marked with the process mark,
11744 save those articles instead."
11746 (require 'gnus-art)
11747 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
11748 (gnus-summary-save-article arg)))
11750 (defun gnus-summary-save-article-file (&optional arg)
11751 "Append the current article to a file.
11752 If N is a positive number, save the N next articles.
11753 If N is a negative number, save the N previous articles.
11754 If N is nil and any articles have been marked with the process mark,
11755 save those articles instead."
11757 (require 'gnus-art)
11758 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
11759 (gnus-summary-save-article arg)))
11761 (defun gnus-summary-write-article-file (&optional arg)
11762 "Write the current article to a file, deleting the previous file.
11763 If N is a positive number, save the N next articles.
11764 If N is a negative number, save the N previous articles.
11765 If N is nil and any articles have been marked with the process mark,
11766 save those articles instead."
11768 (require 'gnus-art)
11769 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
11770 (gnus-summary-save-article arg)))
11772 (defun gnus-summary-save-article-body-file (&optional arg)
11773 "Append the current article body to a file.
11774 If N is a positive number, save the N next articles.
11775 If N is a negative number, save the N previous articles.
11776 If N is nil and any articles have been marked with the process mark,
11777 save those articles instead."
11779 (require 'gnus-art)
11780 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
11781 (gnus-summary-save-article arg)))
11783 (defun gnus-summary-write-article-body-file (&optional arg)
11784 "Write the current article body to a file, deleting the previous file.
11785 If N is a positive number, save the N next articles.
11786 If N is a negative number, save the N previous articles.
11787 If N is nil and any articles have been marked with the process mark,
11788 save those articles instead."
11790 (require 'gnus-art)
11791 (let ((gnus-default-article-saver 'gnus-summary-write-body-to-file))
11792 (gnus-summary-save-article arg)))
11794 (defun gnus-summary-muttprint (&optional arg)
11795 "Print the current article using Muttprint.
11796 If N is a positive number, save the N next articles.
11797 If N is a negative number, save the N previous articles.
11798 If N is nil and any articles have been marked with the process mark,
11799 save those articles instead."
11801 (require 'gnus-art)
11802 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
11803 (gnus-summary-save-article arg t)))
11805 (defun gnus-summary-pipe-message (program)
11806 "Pipe the current article through PROGRAM."
11807 (interactive "sProgram: ")
11808 (gnus-summary-select-article)
11809 (let ((mail-header-separator ""))
11810 (gnus-eval-in-buffer-window gnus-article-buffer
11813 (let ((start (window-start))
11814 (inhibit-read-only t))
11815 (message-pipe-buffer-body program)
11816 (set-window-start (get-buffer-window (current-buffer)) start))))))
11818 (defun gnus-get-split-value (methods)
11819 "Return a value based on the split METHODS."
11820 (let (split-name method result match)
11822 (with-current-buffer gnus-original-article-buffer
11824 (nnheader-narrow-to-headers)
11825 (while (and methods (not split-name))
11826 (goto-char (point-min))
11827 (setq method (pop methods))
11828 (setq match (car method))
11831 ;; Regular expression.
11833 (re-search-forward match nil t)))
11838 (setq result (funcall match gnus-newsgroup-name))))
11843 (setq result (eval match)))))
11844 (setq split-name (cdr method))
11845 (cond ((stringp result)
11846 (push (expand-file-name
11847 result gnus-article-save-directory)
11850 (setq split-name (append result split-name)))))))))
11851 (nreverse split-name)))
11853 (defun gnus-valid-move-group-p (group)
11854 (and (boundp group)
11855 (symbol-name group)
11856 (symbol-value group)
11857 (gnus-get-function (gnus-find-method-for-group
11858 (symbol-name group)) 'request-accept-article t)))
11860 (defun gnus-read-move-group-name (prompt default articles prefix)
11861 "Read a group name."
11862 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
11863 (minibuffer-confirm-incomplete nil) ; XEmacs
11867 (if (> (length articles) 1)
11868 (format "these %d articles" (length articles))
11871 (let (active group)
11872 (when (or (null split-name) (= 1 (length split-name)))
11873 (setq active (gnus-make-hashtable (length gnus-active-hashtb)))
11874 (mapatoms (lambda (symbol)
11875 (setq group (symbol-name symbol))
11876 (when (string-match "[^\000-\177]" group)
11877 (setq group (gnus-group-decoded-name group)))
11878 (set (intern group active) group))
11879 gnus-active-hashtb))
11882 (gnus-completing-read-with-default
11883 default prom active 'gnus-valid-move-group-p nil prefix
11884 'gnus-group-history))
11885 ((= 1 (length split-name))
11886 (gnus-completing-read-with-default
11887 (car split-name) prom active 'gnus-valid-move-group-p nil nil
11888 'gnus-group-history))
11890 (gnus-completing-read-with-default
11891 nil prom (mapcar 'list (nreverse split-name)) nil nil nil
11892 'gnus-group-history)))))
11893 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup)))
11896 (if (or (string= to-newsgroup "")
11897 (string= to-newsgroup prefix))
11898 (setq to-newsgroup default))
11899 (unless to-newsgroup
11900 (error "No group name entered"))
11901 (setq encoded (mm-encode-coding-string
11903 (gnus-group-name-charset to-method to-newsgroup)))
11904 (or (gnus-active encoded)
11905 (gnus-activate-group encoded nil nil to-method)
11906 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
11908 (or (and (gnus-request-create-group encoded to-method)
11909 (gnus-activate-group encoded nil nil to-method)
11910 (gnus-subscribe-group encoded))
11911 (error "Couldn't create group %s" to-newsgroup)))
11912 (error "No such group: %s" to-newsgroup))
11915 (defvar gnus-summary-save-parts-counter)
11916 (declare-function mm-uu-dissect "mm-uu" (&optional noheader mime-type))
11918 (defun gnus-summary-save-parts (type dir n &optional reverse)
11919 "Save parts matching TYPE to DIR.
11920 If REVERSE, save parts that do not match TYPE."
11922 (list (read-string "Save parts of type: "
11923 (or (car gnus-summary-save-parts-type-history)
11924 gnus-summary-save-parts-default-mime)
11925 'gnus-summary-save-parts-type-history)
11926 (setq gnus-summary-save-parts-last-directory
11927 (read-file-name "Save to directory: "
11928 gnus-summary-save-parts-last-directory
11930 current-prefix-arg))
11931 (gnus-summary-iterate n
11932 (let ((gnus-display-mime-function nil)
11933 gnus-article-prepare-hook
11934 gnus-article-decode-hook
11935 gnus-display-mime-function
11937 (gnus-inhibit-treatment t))
11938 (gnus-summary-select-article))
11939 (with-current-buffer gnus-article-buffer
11940 (let ((handles (or gnus-article-mime-handles
11941 (mm-dissect-buffer nil gnus-article-loose-mime)
11942 (and gnus-article-emulate-mime
11944 (gnus-summary-save-parts-counter 1))
11946 (gnus-summary-save-parts-1 type dir handles reverse)
11947 (unless gnus-article-mime-handles ;; Don't destroy this case.
11948 (mm-destroy-parts handles)))))))
11950 (defun gnus-summary-save-parts-1 (type dir handle reverse)
11951 (if (stringp (car handle))
11952 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
11955 (not (string-match type (mm-handle-media-type handle)))
11956 (string-match type (mm-handle-media-type handle)))
11957 (let ((file (expand-file-name
11959 mm-file-name-rewrite-functions
11960 (file-name-nondirectory
11962 (mail-content-type-get
11963 (mm-handle-disposition handle) 'filename)
11964 (mail-content-type-get
11965 (mm-handle-type handle) 'name)
11966 (format "%s.%d.%d" gnus-newsgroup-name
11967 (cdr gnus-article-current)
11968 gnus-summary-save-parts-counter))))
11970 (incf gnus-summary-save-parts-counter)
11971 (unless (file-exists-p file)
11972 (mm-save-part-to-file handle file))))))
11974 ;; Summary extract commands
11976 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
11977 (let ((inhibit-read-only t)
11978 (article (gnus-summary-article-number))
11980 (unless (gnus-summary-goto-subject article)
11981 (error "No such article: %d" article))
11982 (gnus-summary-position-point)
11983 ;; If all commands are to be bunched up on one line, we collect
11985 (unless gnus-view-pseudos-separately
11986 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
11989 (setq action (cdr (assq 'action (car ps))))
11990 (setq files (list (cdr (assq 'name (car ps)))))
11991 (while (and ps (cdr ps)
11992 (string= (or action "1")
11993 (or (cdr (assq 'action (cadr ps))) "2")))
11994 (push (cdr (assq 'name (cadr ps))) files)
11995 (setcdr ps (cddr ps)))
11997 (when (not (string-match "%s" action))
12000 (when (assq 'execute (car ps))
12001 (setcdr (assq 'execute (car ps))
12002 (funcall (if (string-match "%s" action)
12009 (shell-quote-argument f)))
12011 (setq ps (cdr ps)))))
12012 (if (and gnus-view-pseudos (not not-view))
12014 (when (assq 'execute (car pslist))
12015 (gnus-execute-command (cdr (assq 'execute (car pslist)))
12016 (eq gnus-view-pseudos 'not-confirm)))
12017 (setq pslist (cdr pslist)))
12020 (setq after-article (or (cdr (assq 'article (car pslist)))
12021 (gnus-summary-article-number)))
12022 (gnus-summary-goto-subject after-article)
12025 (insert " " (file-name-nondirectory
12026 (cdr (assq 'name (car pslist))))
12027 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
12029 (forward-line -1) ; back to `b'
12030 (gnus-add-text-properties
12031 b (1- e) (list 'gnus-number gnus-reffed-article-number
12032 gnus-mouse-face-prop gnus-mouse-face))
12034 after-article gnus-reffed-article-number
12035 gnus-unread-mark b (car pslist) 0 (- e b))
12036 (setq gnus-newsgroup-unreads
12037 (gnus-add-to-sorted-list gnus-newsgroup-unreads
12038 gnus-reffed-article-number))
12039 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
12040 (setq pslist (cdr pslist)))))))
12042 (defun gnus-pseudos< (p1 p2)
12043 (let ((c1 (cdr (assq 'action p1)))
12044 (c2 (cdr (assq 'action p2))))
12045 (and c1 c2 (string< c1 c2))))
12047 (defun gnus-request-pseudo-article (props)
12048 (cond ((assq 'execute props)
12049 (gnus-execute-command (cdr (assq 'execute props)))))
12050 (let ((gnus-current-article (gnus-summary-article-number)))
12051 (gnus-run-hooks 'gnus-mark-article-hook)))
12053 (defun gnus-execute-command (command &optional automatic)
12055 (gnus-article-setup-buffer)
12056 (set-buffer gnus-article-buffer)
12057 (setq buffer-read-only nil)
12058 (let ((command (if automatic command
12059 (read-string "Command: " (cons command 0)))))
12061 (insert "$ " command "\n\n")
12062 (if gnus-view-pseudo-asynchronously
12063 (start-process "gnus-execute" (current-buffer) shell-file-name
12064 shell-command-switch command)
12065 (call-process shell-file-name nil t nil
12066 shell-command-switch command)))))
12068 ;; Summary kill commands.
12070 (defun gnus-summary-edit-global-kill (article)
12071 "Edit the \"global\" kill file."
12072 (interactive (list (gnus-summary-article-number)))
12073 (gnus-group-edit-global-kill article))
12075 (defun gnus-summary-edit-local-kill ()
12076 "Edit a local kill file applied to the current newsgroup."
12078 (setq gnus-current-headers (gnus-summary-article-header))
12079 (gnus-group-edit-local-kill
12080 (gnus-summary-article-number) gnus-newsgroup-name))
12082 ;;; Header reading.
12084 (defun gnus-read-header (id &optional header)
12085 "Read the headers of article ID and enter them into the Gnus system."
12086 (let ((group gnus-newsgroup-name)
12087 (gnus-override-method
12089 gnus-override-method
12090 (and (gnus-news-group-p gnus-newsgroup-name)
12091 (car (gnus-refer-article-methods)))))
12093 ;; First we check to see whether the header in question is already
12096 ;; This is a Message-ID.
12097 (setq header (or header (gnus-id-to-header id)))
12098 ;; This is an article number.
12099 (setq header (or header (gnus-summary-article-header id))))
12101 (not (gnus-summary-article-sparse-p (mail-header-number header))))
12102 ;; We have found the header.
12104 ;; We have to really fetch the header to this article.
12105 (with-current-buffer nntp-server-buffer
12106 (when (setq where (gnus-request-head id group))
12107 (nnheader-fold-continuation-lines)
12108 (goto-char (point-max))
12110 (goto-char (point-min))
12114 ((cdr where) (cdr where))
12115 (header (mail-header-number header))
12116 (t gnus-reffed-article-number))
12118 (insert " Article retrieved.\n"))
12119 (if (or (not where)
12120 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
12121 () ; Malformed head.
12122 (unless (gnus-summary-article-sparse-p (mail-header-number header))
12123 (when (and (stringp id)
12125 (not (string= (gnus-group-real-name group)
12127 (not (gnus-server-equal gnus-override-method
12128 (gnus-group-method group)))))
12129 ;; If we fetched by Message-ID and the article came from
12130 ;; a different group (or server), we fudge some bogus
12131 ;; article numbers for this article.
12132 (mail-header-set-number header gnus-reffed-article-number))
12133 (with-current-buffer gnus-summary-buffer
12134 (decf gnus-reffed-article-number)
12135 (gnus-remove-header (mail-header-number header))
12136 (push header gnus-newsgroup-headers)
12137 (setq gnus-current-headers header)
12138 (push (mail-header-number header) gnus-newsgroup-limit)))
12141 (defun gnus-remove-header (number)
12142 "Remove header NUMBER from `gnus-newsgroup-headers'."
12143 (if (and gnus-newsgroup-headers
12144 (= number (mail-header-number (car gnus-newsgroup-headers))))
12145 (pop gnus-newsgroup-headers)
12146 (let ((headers gnus-newsgroup-headers))
12147 (while (and (cdr headers)
12148 (not (= number (mail-header-number (cadr headers)))))
12150 (when (cdr headers)
12151 (setcdr headers (cddr headers))))))
12154 ;;; summary highlights
12157 (defun gnus-highlight-selected-summary ()
12158 "Highlight selected article in summary buffer."
12159 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
12160 (when gnus-summary-selected-face
12162 (let* ((beg (point-at-bol))
12163 (end (point-at-eol))
12164 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
12165 (from (if (get-text-property beg gnus-mouse-face-prop)
12167 (or (next-single-property-change
12168 beg gnus-mouse-face-prop nil end)
12173 (or (next-single-property-change
12174 from gnus-mouse-face-prop nil end)
12176 ;; If no mouse-face prop on line we will have to = from = end,
12177 ;; so we highlight the entire line instead.
12178 (when (= (+ to 2) from)
12181 (if gnus-newsgroup-selected-overlay
12182 ;; Move old overlay.
12184 gnus-newsgroup-selected-overlay from to (current-buffer))
12185 ;; Create new overlay.
12187 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
12188 'face gnus-summary-selected-face))))))
12190 (defvar gnus-summary-highlight-line-cached nil)
12191 (defvar gnus-summary-highlight-line-trigger nil)
12193 (defun gnus-summary-highlight-line-0 ()
12194 (if (and (eq gnus-summary-highlight-line-trigger
12195 gnus-summary-highlight)
12196 gnus-summary-highlight-line-cached)
12197 gnus-summary-highlight-line-cached
12198 (setq gnus-summary-highlight-line-trigger gnus-summary-highlight
12199 gnus-summary-highlight-line-cached
12200 (let* ((cond (list 'cond))
12202 (list gnus-summary-highlight))
12204 (setcdr c (cons (list (caar list) (list 'quote (cdar list)))
12208 (gnus-byte-compile (list 'lambda nil cond))))))
12210 (defun gnus-summary-highlight-line ()
12211 "Highlight current line according to `gnus-summary-highlight'."
12212 (let* ((beg (point-at-bol))
12213 (article (or (gnus-summary-article-number) gnus-current-article))
12214 (score (or (cdr (assq article
12215 gnus-newsgroup-scored))
12216 gnus-summary-default-score 0))
12217 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
12218 (inhibit-read-only t)
12219 (default gnus-summary-default-score)
12220 (default-high gnus-summary-default-high-score)
12221 (default-low gnus-summary-default-low-score)
12222 (uncached (and gnus-summary-use-undownloaded-faces
12223 (memq article gnus-newsgroup-undownloaded)
12224 (not (memq article gnus-newsgroup-cached)))))
12225 (let ((face (funcall (gnus-summary-highlight-line-0))))
12226 (unless (eq face (get-text-property beg 'face))
12227 (gnus-put-text-property-excluding-characters-with-faces
12228 beg (point-at-eol) 'face
12229 (setq face (if (boundp face) (symbol-value face) face)))
12230 (when gnus-summary-highlight-line-function
12231 (funcall gnus-summary-highlight-line-function article face))))))
12233 (defun gnus-update-read-articles (group unread &optional compute)
12234 "Update the list of read articles in GROUP.
12235 UNREAD is a sorted list."
12236 (let ((active (or gnus-newsgroup-active (gnus-active group)))
12237 (info (gnus-get-info group))
12240 (if (or (not info) (not active))
12241 ;; There is no info on this group if it was, in fact,
12242 ;; killed. Gnus stores no information on killed groups, so
12243 ;; there's nothing to be done.
12244 ;; One could store the information somewhere temporarily,
12245 ;; perhaps... Hmmm...
12247 ;; Remove any negative articles numbers.
12248 (while (and unread (< (car unread) 0))
12249 (setq unread (cdr unread)))
12250 ;; Remove any expired article numbers
12251 (while (and unread (< (car unread) (car active)))
12252 (setq unread (cdr unread)))
12253 ;; Compute the ranges of read articles by looking at the list of
12254 ;; unread articles.
12256 (when (/= (car unread) prev)
12257 (push (if (= prev (1- (car unread))) prev
12258 (cons prev (1- (car unread))))
12260 (setq prev (1+ (car unread)))
12261 (setq unread (cdr unread)))
12262 (when (<= prev (cdr active))
12263 (push (cons prev (cdr active)) read))
12264 (setq read (if (> (length read) 1) (nreverse read) read))
12269 ;; Propagate the read marks to the backend.
12270 (when (and gnus-propagate-marks
12271 (gnus-check-backend-function 'request-set-mark group))
12272 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
12273 (add (gnus-remove-from-range read (gnus-info-read info))))
12275 (unless (gnus-check-group group)
12276 (error "Can't open server for %s" group))
12277 (gnus-request-set-mark
12278 group (delq nil (list (if add (list add 'add '(read)))
12279 (if del (list del 'del '(read))))))
12281 `(gnus-request-set-mark
12284 (if del (list del 'add '(read)))
12285 (if add (list add 'del '(read))))))))))
12286 (set-buffer gnus-group-buffer)
12287 (gnus-undo-register
12289 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
12290 (gnus-info-set-read ',info ',(gnus-info-read info))
12291 (gnus-get-unread-articles-in-group ',info
12292 (gnus-active ,group))
12293 (gnus-group-update-group ,group t)
12295 ;; Enter this list into the group info.
12296 (gnus-info-set-read info read)
12297 ;; Set the number of unread articles in gnus-newsrc-hashtb.
12298 (gnus-get-unread-articles-in-group info (gnus-active group))
12301 (defun gnus-offer-save-summaries ()
12302 "Offer to save all active summary buffers."
12304 ;; Go through all buffers and find all summaries.
12305 (dolist (buffer (buffer-list))
12306 (when (and (setq buffer (buffer-name buffer))
12307 (string-match "Summary" buffer)
12308 (with-current-buffer buffer
12309 ;; We check that this is, indeed, a summary buffer.
12310 (and (eq major-mode 'gnus-summary-mode)
12311 ;; Also make sure this isn't bogus.
12312 gnus-newsgroup-prepared
12313 ;; Also make sure that this isn't a
12314 ;; dead summary buffer.
12315 (not gnus-dead-summary-mode))))
12316 (push buffer buffers)))
12317 ;; Go through all these summary buffers and offer to save them.
12321 "Update summary buffer %s? "
12323 (switch-to-buffer buf)
12324 (gnus-summary-exit))
12327 (defun gnus-summary-setup-default-charset ()
12328 "Setup newsgroup default charset."
12329 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
12330 (setq gnus-newsgroup-charset nil)
12331 (let* ((ignored-charsets
12332 (or gnus-newsgroup-ephemeral-ignored-charsets
12334 (and gnus-newsgroup-name
12335 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
12336 gnus-newsgroup-ignored-charsets))))
12337 (setq gnus-newsgroup-charset
12338 (or gnus-newsgroup-ephemeral-charset
12339 (and gnus-newsgroup-name
12340 (gnus-parameter-charset gnus-newsgroup-name))
12341 gnus-default-charset))
12342 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
12343 ignored-charsets))))
12349 (defun gnus-summary-display-buttonized (&optional show-all-parts)
12350 "Display the current article buffer fully MIME-buttonized.
12351 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
12352 treated as multipart/mixed."
12354 (require 'gnus-art)
12355 (let ((gnus-unbuttonized-mime-types nil)
12356 (gnus-mime-display-multipart-as-mixed show-all-parts))
12357 (gnus-summary-show-article)))
12359 (defun gnus-summary-repair-multipart (article)
12360 "Add a Content-Type header to a multipart article without one."
12361 (interactive (list (gnus-summary-article-number)))
12362 (gnus-with-article article
12363 (message-narrow-to-head)
12364 (message-remove-header "Mime-Version")
12365 (goto-char (point-max))
12366 (insert "Mime-Version: 1.0\n")
12368 (when (search-forward "\n--" nil t)
12369 (let ((separator (buffer-substring (point) (point-at-eol))))
12370 (message-narrow-to-head)
12371 (message-remove-header "Content-Type")
12372 (goto-char (point-max))
12373 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
12376 (let (gnus-mark-article-hook)
12377 (gnus-summary-select-article t t nil article)))
12379 (defun gnus-summary-toggle-display-buttonized ()
12380 "Toggle the buttonizing of the article buffer."
12382 (require 'gnus-art)
12383 (if (setq gnus-inhibit-mime-unbuttonizing
12384 (not gnus-inhibit-mime-unbuttonizing))
12385 (let ((gnus-unbuttonized-mime-types nil))
12386 (gnus-summary-show-article))
12387 (gnus-summary-show-article)))
12390 ;;; Generic summary marking commands
12393 (defvar gnus-summary-marking-alist
12394 '((read gnus-del-mark "d")
12395 (unread gnus-unread-mark "u")
12396 (ticked gnus-ticked-mark "!")
12397 (dormant gnus-dormant-mark "?")
12398 (expirable gnus-expirable-mark "e"))
12399 "An alist of names/marks/keystrokes.")
12401 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
12402 (defvar gnus-summary-mark-map)
12404 (defun gnus-summary-make-all-marking-commands ()
12405 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
12406 (dolist (elem gnus-summary-marking-alist)
12407 (apply 'gnus-summary-make-marking-command elem)))
12409 (defun gnus-summary-make-marking-command (name mark keystroke)
12410 (let ((map (make-sparse-keymap)))
12411 (define-key gnus-summary-generic-mark-map keystroke map)
12412 (dolist (lway `((next "next" next nil "n")
12413 (next-unread "next unread" next t "N")
12414 (prev "previous" prev nil "p")
12415 (prev-unread "previous unread" prev t "P")
12416 (nomove "" nil nil ,keystroke)))
12417 (let ((func (gnus-summary-make-marking-command-1
12418 mark (car lway) lway name)))
12419 (setq func (eval func))
12420 (define-key map (nth 4 lway) func)))))
12422 (defun gnus-summary-make-marking-command-1 (mark way lway name)
12424 (format "gnus-summary-put-mark-as-%s%s"
12425 name (if (eq way 'nomove)
12427 (concat "-" (symbol-name way)))))
12430 "Mark the current article as %s%s.
12431 If N, the prefix, then repeat N times.
12432 If N is negative, move in reverse order.
12433 The difference between N and the actual number of articles marked is
12437 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
12439 (defun gnus-summary-generic-mark (n mark move unread)
12440 "Mark N articles with MARK."
12441 (unless (eq major-mode 'gnus-summary-mode)
12442 (error "This command can only be used in the summary buffer"))
12443 (gnus-summary-show-thread)
12446 ((eq move 'next) 1)
12447 ((eq move 'prev) -1)
12449 (if (zerop nummove)
12453 nummove (* -1 nummove))))
12454 (while (and (> n 0)
12455 (gnus-summary-mark-article nil mark)
12456 (zerop (gnus-summary-next-subject nummove unread t)))
12459 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
12460 (gnus-summary-recenter)
12461 (gnus-summary-position-point)
12462 (gnus-set-mode-line 'summary)
12465 (defun gnus-summary-insert-articles (articles)
12466 (when (setq articles
12467 (gnus-sorted-difference articles
12468 (mapcar (lambda (h)
12469 (mail-header-number h))
12470 gnus-newsgroup-headers)))
12471 (setq gnus-newsgroup-headers
12473 gnus-newsgroup-headers
12474 (gnus-fetch-headers articles)
12475 'gnus-article-sort-by-number))
12476 ;; Suppress duplicates?
12477 (when gnus-suppress-duplicates
12478 (gnus-dup-suppress-articles))
12480 (if (and gnus-fetch-old-headers
12481 (eq gnus-headers-retrieved-by 'nov))
12482 ;; We might want to build some more threads first.
12483 (if (eq gnus-fetch-old-headers 'invisible)
12484 (gnus-build-all-threads)
12485 (gnus-build-old-threads))
12486 ;; Mark the inserted articles that are unread as unread.
12487 (setq gnus-newsgroup-unreads
12488 (gnus-sorted-nunion
12489 gnus-newsgroup-unreads
12490 (gnus-sorted-nintersection
12491 (gnus-list-of-unread-articles gnus-newsgroup-name)
12493 ;; Mark the inserted articles as selected so that the information
12494 ;; of the marks having been changed by a user may be updated when
12495 ;; exiting this group. See `gnus-summary-update-info'.
12496 (dolist (art articles)
12497 (setq gnus-newsgroup-unselected (delq art gnus-newsgroup-unselected))))
12498 ;; Let the Gnus agent mark articles as read.
12500 (gnus-agent-get-undownloaded-list))
12501 ;; Remove list identifiers from subject
12502 (when gnus-list-identifiers
12503 (gnus-summary-remove-list-identifiers))
12504 ;; First and last article in this newsgroup.
12505 (when gnus-newsgroup-headers
12506 (setq gnus-newsgroup-begin
12507 (mail-header-number (car gnus-newsgroup-headers))
12509 (mail-header-number
12510 (gnus-last-element gnus-newsgroup-headers))))
12511 (when gnus-use-scoring
12512 (gnus-possibly-score-headers))))
12514 (defun gnus-summary-insert-old-articles (&optional all)
12515 "Insert all old articles in this group.
12516 If ALL is non-nil, already read articles become readable.
12517 If ALL is a number, fetch this number of articles."
12520 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
12523 ;; Some nntp servers lie about their active range. When
12524 ;; this happens, the active range can be in the millions.
12525 ;; Use a compressed range to avoid creating a huge list.
12526 (gnus-range-difference (list gnus-newsgroup-active) old))
12527 (setq len (gnus-range-length older))
12532 (let ((older-range (nreverse older)))
12536 (let* ((r (pop older-range))
12537 (min (if (numberp r) r (car r)))
12538 (max (if (numberp r) r (cdr r))))
12539 (while (and (<= min max)
12544 (setq older (gnus-uncompress-range older))))
12546 (setq older (gnus-uncompress-range older)))
12548 (when (and (numberp gnus-large-newsgroup)
12549 (> len gnus-large-newsgroup))
12550 (let* ((cursor-in-echo-area nil)
12551 (initial (gnus-parameter-large-newsgroup-initial
12552 gnus-newsgroup-name))
12556 "How many articles from %s (%s %d): "
12557 (gnus-group-decoded-name gnus-newsgroup-name)
12558 (if initial "max" "default")
12561 (cons (number-to-string initial)
12563 (unless (string-match "^[ \t]*$" input)
12564 (setq all (string-to-number input))
12566 (let ((older-range (nreverse older)))
12570 (let* ((r (pop older-range))
12571 (min (if (numberp r) r (car r)))
12572 (max (if (numberp r) r (cdr r))))
12573 (while (and (<= min max)
12577 max (1- max))))))))))
12578 (setq older (gnus-uncompress-range older))))
12580 (message "No old news.")
12581 (gnus-summary-insert-articles older)
12582 (gnus-summary-limit (gnus-sorted-nunion old older))))
12583 (gnus-summary-position-point)))
12585 (defun gnus-summary-insert-new-articles ()
12586 "Insert all new articles in this group."
12589 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
12590 (old-active gnus-newsgroup-active)
12591 (nnmail-fetched-sources (list t))
12593 (setq gnus-newsgroup-active
12594 (gnus-activate-group gnus-newsgroup-name 'scan))
12595 (setq i (cdr gnus-newsgroup-active))
12596 (while (> i (cdr old-active))
12600 (message "No gnus is bad news")
12601 (gnus-summary-insert-articles new)
12602 (setq gnus-newsgroup-unreads
12603 (gnus-sorted-nunion gnus-newsgroup-unreads new))
12604 (gnus-summary-limit (gnus-sorted-nunion old new))))
12605 (gnus-summary-position-point)))
12607 (gnus-summary-make-all-marking-commands)
12609 (gnus-ems-redefine)
12611 (provide 'gnus-sum)
12613 (run-hooks 'gnus-sum-load-hook)
12615 ;; Local Variables:
12616 ;; coding: iso-8859-1
12619 ;; arch-tag: 17c6748f-6d00-4d36-bf01-835c42f31235
12620 ;;; gnus-sum.el ends here