1 ;;; gnus-sum.el --- summary mode commands for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
31 (defvar tool-bar-map))
43 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
44 (autoload 'gnus-cache-write-active "gnus-cache")
45 (autoload 'gnus-mailing-list-insinuate "gnus-ml" nil t)
46 (autoload 'turn-on-gnus-mailing-list-mode "gnus-ml" nil t)
47 (autoload 'mm-uu-dissect "mm-uu")
48 (autoload 'gnus-article-outlook-deuglify-article "deuglify"
49 "Deuglify broken Outlook (Express) articles and redisplay."
51 (autoload 'gnus-article-outlook-unwrap-lines "deuglify" nil t)
52 (autoload 'gnus-article-outlook-repair-attribution "deuglify" nil t)
53 (autoload 'gnus-article-outlook-rearrange-citation "deuglify" nil t)
55 (defcustom gnus-kill-summary-on-exit t
56 "*If non-nil, kill the summary buffer when you exit from it.
57 If nil, the summary will become a \"*Dead Summary*\" buffer, and
58 it will be killed sometime later."
59 :group 'gnus-summary-exit
62 (defcustom gnus-fetch-old-headers nil
63 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
64 If an unread article in the group refers to an older, already read (or
65 just marked as read) article, the old article will not normally be
66 displayed in the Summary buffer. If this variable is non-nil, Gnus
67 will attempt to grab the headers to the old articles, and thereby
68 build complete threads. If it has the value `some', only enough
69 headers to connect otherwise loose threads will be displayed. This
70 variable can also be a number. In that case, no more than that number
71 of old headers will be fetched. If it has the value `invisible', all
72 old headers will be fetched, but none will be displayed.
74 The server has to support NOV for any of this to work."
76 :type '(choice (const :tag "off" nil)
79 (sexp :menu-tag "other" t)))
81 (defcustom gnus-refer-thread-limit 200
82 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
83 If t, fetch all the available old headers."
86 (sexp :menu-tag "other" t)))
88 (defcustom gnus-summary-make-false-root 'adopt
89 "*nil means that Gnus won't gather loose threads.
90 If the root of a thread has expired or been read in a previous
91 session, the information necessary to build a complete thread has been
92 lost. Instead of having many small sub-threads from this original thread
93 scattered all over the summary buffer, Gnus can gather them.
95 If non-nil, Gnus will try to gather all loose sub-threads from an
96 original thread into one large thread.
98 If this variable is non-nil, it should be one of `none', `adopt',
101 If this variable is `none', Gnus will not make a false root, but just
102 present the sub-threads after another.
103 If this variable is `dummy', Gnus will create a dummy root that will
104 have all the sub-threads as children.
105 If this variable is `adopt', Gnus will make one of the \"children\"
106 the parent and mark all the step-children as such.
107 If this variable is `empty', the \"children\" are printed with empty
108 subject fields. (Or rather, they will be printed with a string
109 given by the `gnus-summary-same-subject' variable.)"
111 :type '(choice (const :tag "off" nil)
117 (defcustom gnus-summary-make-false-root-always nil
118 "Always make a false dummy root."
122 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
123 "*A regexp to match subjects to be excluded from loose thread gathering.
124 As loose thread gathering is done on subjects only, that means that
125 there can be many false gatherings performed. By rooting out certain
126 common subjects, gathering might become saner."
130 (defcustom gnus-summary-gather-subject-limit nil
131 "*Maximum length of subject comparisons when gathering loose threads.
132 Use nil to compare full subjects. Setting this variable to a low
133 number will help gather threads that have been corrupted by
134 newsreaders chopping off subject lines, but it might also mean that
135 unrelated articles that have subject that happen to begin with the
136 same few characters will be incorrectly gathered.
138 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
141 :type '(choice (const :tag "off" nil)
143 (sexp :menu-tag "on" t)))
145 (defcustom gnus-simplify-subject-functions nil
146 "List of functions taking a string argument that simplify subjects.
147 The functions are applied recursively.
149 Useful functions to put in this list include:
150 `gnus-simplify-subject-re', `gnus-simplify-subject-fuzzy',
151 `gnus-simplify-whitespace', and `gnus-simplify-all-whitespace'."
153 :type '(repeat function))
155 (defcustom gnus-simplify-ignored-prefixes nil
156 "*Remove matches for this regexp from subject lines when simplifying fuzzily."
158 :type '(choice (const :tag "off" nil)
161 (defcustom gnus-build-sparse-threads nil
162 "*If non-nil, fill in the gaps in threads.
163 If `some', only fill in the gaps that are needed to tie loose threads
164 together. If `more', fill in all leaf nodes that Gnus can find. If
165 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
167 :type '(choice (const :tag "off" nil)
170 (sexp :menu-tag "all" t)))
172 (defcustom gnus-summary-thread-gathering-function
173 'gnus-gather-threads-by-subject
174 "*Function used for gathering loose threads.
175 There are two pre-defined functions: `gnus-gather-threads-by-subject',
176 which only takes Subjects into consideration; and
177 `gnus-gather-threads-by-references', which compared the References
178 headers of the articles to find matches."
180 :type '(radio (function-item gnus-gather-threads-by-subject)
181 (function-item gnus-gather-threads-by-references)
182 (function :tag "other")))
184 (defcustom gnus-summary-same-subject ""
185 "*String indicating that the current article has the same subject as the previous.
186 This variable will only be used if the value of
187 `gnus-summary-make-false-root' is `empty'."
188 :group 'gnus-summary-format
191 (defcustom gnus-summary-goto-unread t
192 "*If t, many commands will go to the next unread article.
193 This applies to marking commands as well as other commands that
194 \"naturally\" select the next article, like, for instance, `SPC' at
195 the end of an article.
197 If nil, the marking commands do NOT go to the next unread article
198 \(they go to the next article instead). If `never', commands that
199 usually go to the next unread article, will go to the next article,
200 whether it is read or not."
201 :group 'gnus-summary-marks
202 :link '(custom-manual "(gnus)Setting Marks")
203 :type '(choice (const :tag "off" nil)
205 (sexp :menu-tag "on" t)))
207 (defcustom gnus-summary-default-score 0
208 "*Default article score level.
209 All scores generated by the score files will be added to this score.
210 If this variable is nil, scoring will be disabled."
211 :group 'gnus-score-default
212 :type '(choice (const :tag "disable")
215 (defcustom gnus-summary-default-high-score 0
216 "*Default threshold for a high scored article.
217 An article will be highlighted as high scored if its score is greater
219 :group 'gnus-score-default
222 (defcustom gnus-summary-default-low-score 0
223 "*Default threshold for a low scored article.
224 An article will be highlighted as low scored if its score is smaller
226 :group 'gnus-score-default
229 (defcustom gnus-summary-zcore-fuzz 0
230 "*Fuzziness factor for the zcore in the summary buffer.
231 Articles with scores closer than this to `gnus-summary-default-score'
233 :group 'gnus-summary-format
236 (defcustom gnus-simplify-subject-fuzzy-regexp nil
237 "*Strings to be removed when doing fuzzy matches.
238 This can either be a regular expression or list of regular expressions
239 that will be removed from subject strings if fuzzy subject
240 simplification is selected."
242 :type '(repeat regexp))
244 (defcustom gnus-show-threads t
245 "*If non-nil, display threads in summary mode."
249 (defcustom gnus-thread-hide-subtree nil
250 "*If non-nil, hide all threads initially.
251 This can be a predicate specifier which says which threads to hide.
252 If threads are hidden, you have to run the command
253 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
254 to expose hidden threads."
256 :type '(radio (sexp :format "Non-nil\n"
257 :match (lambda (widget value)
258 (not (or (consp value) (functionp value))))
261 (sexp :tag "Predicate specifier" :size 0)))
263 (defcustom gnus-thread-hide-killed t
264 "*If non-nil, hide killed threads automatically."
268 (defcustom gnus-thread-ignore-subject t
269 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
270 If nil, articles that have different subjects from their parents will
271 start separate threads."
275 (defcustom gnus-thread-operation-ignore-subject t
276 "*If non-nil, subjects will be ignored when doing thread commands.
277 This affects commands like `gnus-summary-kill-thread' and
278 `gnus-summary-lower-thread'.
280 If this variable is nil, articles in the same thread with different
281 subjects will not be included in the operation in question. If this
282 variable is `fuzzy', only articles that have subjects that are fuzzily
283 equal will be included."
285 :type '(choice (const :tag "off" nil)
289 (defcustom gnus-thread-indent-level 4
290 "*Number that says how much each sub-thread should be indented."
294 (defcustom gnus-auto-extend-newsgroup t
295 "*If non-nil, extend newsgroup forward and backward when requested."
296 :group 'gnus-summary-choose
299 (defcustom gnus-auto-select-first t
300 "*If non-nil, select the article under point.
301 Which article this is is controlled by the `gnus-auto-select-subject'
304 If you want to prevent automatic selection of articles in some
305 newsgroups, set the variable to nil in `gnus-select-group-hook'."
306 :group 'gnus-group-select
307 :type '(choice (const :tag "none" nil)
308 (sexp :menu-tag "first" t)))
310 (defcustom gnus-auto-select-subject 'unread
311 "*Says what subject to place under point when entering a group.
313 This variable can either be the symbols `first' (place point on the
314 first subject), `unread' (place point on the subject line of the first
315 unread article), `best' (place point on the subject line of the
316 higest-scored article), `unseen' (place point on the subject line of
317 the first unseen article), 'unseen-or-unread' (place point on the subject
318 line of the first unseen article or, if all article have been seen, on the
319 subject line of the first unread article), or a function to be called to
320 place point on some subject line."
321 :group 'gnus-group-select
322 :type '(choice (const best)
326 (const unseen-or-unread)))
328 (defcustom gnus-auto-select-next t
329 "*If non-nil, offer to go to the next group from the end of the previous.
330 If the value is t and the next newsgroup is empty, Gnus will exit
331 summary mode and go back to group mode. If the value is neither nil
332 nor t, Gnus will select the following unread newsgroup. In
333 particular, if the value is the symbol `quietly', the next unread
334 newsgroup will be selected without any confirmation, and if it is
335 `almost-quietly', the next group will be selected without any
336 confirmation if you are located on the last article in the group.
337 Finally, if this variable is `slightly-quietly', the `\\<gnus-summary-mode-map>\\[gnus-summary-catchup-and-goto-next-group]' command
338 will go to the next group without confirmation."
339 :group 'gnus-summary-maneuvering
340 :type '(choice (const :tag "off" nil)
342 (const almost-quietly)
343 (const slightly-quietly)
344 (sexp :menu-tag "on" t)))
346 (defcustom gnus-auto-select-same nil
347 "*If non-nil, select the next article with the same subject.
348 If there are no more articles with the same subject, go to
349 the first unread article."
350 :group 'gnus-summary-maneuvering
353 (defcustom gnus-auto-goto-ignores 'unfetched
354 "*Says how to handle unfetched articles when maneuvering.
356 This variable can either be the symbols nil (maneuver to any
357 article), `undownloaded' (maneuvering while unplugged ignores articles
358 that have not been fetched), `always-undownloaded' (maneuvering always
359 ignores articles that have not been fetched), `unfetched' (maneuvering
360 ignores articles whose headers have not been fetched).
362 NOTE: The list of unfetched articles will always be nil when plugged
363 and, when unplugged, a subset of the undownloaded article list."
364 :group 'gnus-summary-maneuvering
365 :type '(choice (const :tag "None" nil)
366 (const :tag "Undownloaded when unplugged" undownloaded)
367 (const :tag "Undownloaded" always-undownloaded)
368 (const :tag "Unfetched" unfetched)))
370 (defcustom gnus-summary-check-current nil
371 "*If non-nil, consider the current article when moving.
372 The \"unread\" movement commands will stay on the same line if the
373 current article is unread."
374 :group 'gnus-summary-maneuvering
377 (defcustom gnus-auto-center-summary t
378 "*If non-nil, always center the current summary buffer.
379 In particular, if `vertical' do only vertical recentering. If non-nil
380 and non-`vertical', do both horizontal and vertical recentering."
381 :group 'gnus-summary-maneuvering
382 :type '(choice (const :tag "none" nil)
384 (integer :tag "height")
385 (sexp :menu-tag "both" t)))
387 (defvar gnus-auto-center-group t
388 "*If non-nil, always center the group buffer.")
390 (defcustom gnus-show-all-headers nil
391 "*If non-nil, don't hide any headers."
392 :group 'gnus-article-hiding
393 :group 'gnus-article-headers
396 (defcustom gnus-summary-ignore-duplicates nil
397 "*If non-nil, ignore articles with identical Message-ID headers."
401 (defcustom gnus-single-article-buffer t
402 "*If non-nil, display all articles in the same buffer.
403 If nil, each group will get its own article buffer."
404 :group 'gnus-article-various
407 (defcustom gnus-break-pages t
408 "*If non-nil, do page breaking on articles.
409 The page delimiter is specified by the `gnus-page-delimiter'
411 :group 'gnus-article-various
414 (defcustom gnus-move-split-methods nil
415 "*Variable used to suggest where articles are to be moved to.
416 It uses the same syntax as the `gnus-split-methods' variable.
417 However, whereas `gnus-split-methods' specifies file names as targets,
418 this variable specifies group names."
419 :group 'gnus-summary-mail
420 :type '(repeat (choice (list :value (fun) function)
421 (cons :value ("" "") regexp (repeat string))
424 (defcustom gnus-unread-mark ? ;Whitespace
425 "*Mark used for unread articles."
426 :group 'gnus-summary-marks
429 (defcustom gnus-ticked-mark ?!
430 "*Mark used for ticked articles."
431 :group 'gnus-summary-marks
434 (defcustom gnus-dormant-mark ??
435 "*Mark used for dormant articles."
436 :group 'gnus-summary-marks
439 (defcustom gnus-del-mark ?r
440 "*Mark used for del'd articles."
441 :group 'gnus-summary-marks
444 (defcustom gnus-read-mark ?R
445 "*Mark used for read articles."
446 :group 'gnus-summary-marks
449 (defcustom gnus-expirable-mark ?E
450 "*Mark used for expirable articles."
451 :group 'gnus-summary-marks
454 (defcustom gnus-killed-mark ?K
455 "*Mark used for killed articles."
456 :group 'gnus-summary-marks
459 (defcustom gnus-spam-mark ?$
460 "*Mark used for spam articles."
461 :group 'gnus-summary-marks
464 (defcustom gnus-souped-mark ?F
465 "*Mark used for souped articles."
466 :group 'gnus-summary-marks
469 (defcustom gnus-kill-file-mark ?X
470 "*Mark used for articles killed by kill files."
471 :group 'gnus-summary-marks
474 (defcustom gnus-low-score-mark ?Y
475 "*Mark used for articles with a low score."
476 :group 'gnus-summary-marks
479 (defcustom gnus-catchup-mark ?C
480 "*Mark used for articles that are caught up."
481 :group 'gnus-summary-marks
484 (defcustom gnus-replied-mark ?A
485 "*Mark used for articles that have been replied to."
486 :group 'gnus-summary-marks
489 (defcustom gnus-forwarded-mark ?F
490 "*Mark used for articles that have been forwarded."
491 :group 'gnus-summary-marks
494 (defcustom gnus-recent-mark ?N
495 "*Mark used for articles that are recent."
496 :group 'gnus-summary-marks
499 (defcustom gnus-cached-mark ?*
500 "*Mark used for articles that are in the cache."
501 :group 'gnus-summary-marks
504 (defcustom gnus-saved-mark ?S
505 "*Mark used for articles that have been saved."
506 :group 'gnus-summary-marks
509 (defcustom gnus-unseen-mark ?.
510 "*Mark used for articles that haven't been seen."
511 :group 'gnus-summary-marks
514 (defcustom gnus-no-mark ? ;Whitespace
515 "*Mark used for articles that have no other secondary mark."
516 :group 'gnus-summary-marks
519 (defcustom gnus-ancient-mark ?O
520 "*Mark used for ancient articles."
521 :group 'gnus-summary-marks
524 (defcustom gnus-sparse-mark ?Q
525 "*Mark used for sparsely reffed articles."
526 :group 'gnus-summary-marks
529 (defcustom gnus-canceled-mark ?G
530 "*Mark used for canceled articles."
531 :group 'gnus-summary-marks
534 (defcustom gnus-duplicate-mark ?M
535 "*Mark used for duplicate articles."
536 :group 'gnus-summary-marks
539 (defcustom gnus-undownloaded-mark ?-
540 "*Mark used for articles that weren't downloaded."
541 :group 'gnus-summary-marks
544 (defcustom gnus-downloaded-mark ?+
545 "*Mark used for articles that were downloaded."
546 :group 'gnus-summary-marks
549 (defcustom gnus-downloadable-mark ?%
550 "*Mark used for articles that are to be downloaded."
551 :group 'gnus-summary-marks
554 (defcustom gnus-unsendable-mark ?=
555 "*Mark used for articles that won't be sent."
556 :group 'gnus-summary-marks
559 (defcustom gnus-score-over-mark ?+
560 "*Score mark used for articles with high scores."
561 :group 'gnus-summary-marks
564 (defcustom gnus-score-below-mark ?-
565 "*Score mark used for articles with low scores."
566 :group 'gnus-summary-marks
569 (defcustom gnus-empty-thread-mark ? ;Whitespace
570 "*There is no thread under the article."
571 :group 'gnus-summary-marks
574 (defcustom gnus-not-empty-thread-mark ?=
575 "*There is a thread under the article."
576 :group 'gnus-summary-marks
579 (defcustom gnus-view-pseudo-asynchronously nil
580 "*If non-nil, Gnus will view pseudo-articles asynchronously."
581 :group 'gnus-extract-view
584 (defcustom gnus-auto-expirable-marks
585 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
586 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
587 gnus-souped-mark gnus-duplicate-mark)
588 "*The list of marks converted into expiration if a group is auto-expirable."
591 :type '(repeat character))
593 (defcustom gnus-inhibit-user-auto-expire t
594 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
599 (defcustom gnus-view-pseudos nil
600 "*If `automatic', pseudo-articles will be viewed automatically.
601 If `not-confirm', pseudos will be viewed automatically, and the user
602 will not be asked to confirm the command."
603 :group 'gnus-extract-view
604 :type '(choice (const :tag "off" nil)
606 (const not-confirm)))
608 (defcustom gnus-view-pseudos-separately t
609 "*If non-nil, one pseudo-article will be created for each file to be viewed.
610 If nil, all files that use the same viewing command will be given as a
611 list of parameters to that command."
612 :group 'gnus-extract-view
615 (defcustom gnus-insert-pseudo-articles t
616 "*If non-nil, insert pseudo-articles when decoding articles."
617 :group 'gnus-extract-view
620 (defcustom gnus-summary-dummy-line-format
622 "*The format specification for the dummy roots in the summary buffer.
623 It works along the same lines as a normal formatting string,
624 with some simple extensions.
628 General format specifiers can also be used.
629 See `(gnus)Formatting Variables'."
630 :link '(custom-manual "(gnus)Formatting Variables")
631 :group 'gnus-threading
634 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
635 "*The format specification for the summary mode line.
636 It works along the same lines as a normal formatting string,
637 with some simple extensions:
640 %p Unprefixed group name
641 %A Current article number
642 %z Current article score
644 %U Number of unread articles in the group
645 %e Number of unselected articles in the group
646 %Z A string with unread/unselected article counts
647 %g Shortish group name
648 %S Subject of the current article
650 %s Current score file name
651 %d Number of dormant articles
652 %r Number of articles that have been marked as read in this session
653 %E Number of articles expunged by the score files"
654 :group 'gnus-summary-format
657 (defcustom gnus-list-identifiers nil
658 "Regexp that matches list identifiers to be removed from subject.
659 This can also be a list of regexps."
661 :group 'gnus-summary-format
662 :group 'gnus-article-hiding
663 :type '(choice (const :tag "none" nil)
665 (repeat :value (".*") regexp)))
667 (defcustom gnus-summary-mark-below 0
668 "*Mark all articles with a score below this variable as read.
669 This variable is local to each summary buffer and usually set by the
671 :group 'gnus-score-default
674 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
675 "*List of functions used for sorting articles in the summary buffer.
677 Each function takes two articles and returns non-nil if the first
678 article should be sorted before the other. If you use more than one
679 function, the primary sort function should be the last. You should
680 probably always include `gnus-article-sort-by-number' in the list of
681 sorting functions -- preferably first. Also note that sorting by date
682 is often much slower than sorting by number, and the sorting order is
683 very similar. (Sorting by date means sorting by the time the message
684 was sent, sorting by number means sorting by arrival time.)
686 Ready-made functions include `gnus-article-sort-by-number',
687 `gnus-article-sort-by-author', `gnus-article-sort-by-subject',
688 `gnus-article-sort-by-date', `gnus-article-sort-by-random'
689 and `gnus-article-sort-by-score'.
691 When threading is turned on, the variable `gnus-thread-sort-functions'
692 controls how articles are sorted."
693 :group 'gnus-summary-sort
694 :type '(repeat (choice (function-item gnus-article-sort-by-number)
695 (function-item gnus-article-sort-by-author)
696 (function-item gnus-article-sort-by-subject)
697 (function-item gnus-article-sort-by-date)
698 (function-item gnus-article-sort-by-score)
699 (function-item gnus-article-sort-by-random)
700 (function :tag "other"))))
702 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
703 "*List of functions used for sorting threads in the summary buffer.
704 By default, threads are sorted by article number.
706 Each function takes two threads and returns non-nil if the first
707 thread should be sorted before the other. If you use more than one
708 function, the primary sort function should be the last. You should
709 probably always include `gnus-thread-sort-by-number' in the list of
710 sorting functions -- preferably first. Also note that sorting by date
711 is often much slower than sorting by number, and the sorting order is
712 very similar. (Sorting by date means sorting by the time the message
713 was sent, sorting by number means sorting by arrival time.)
715 Ready-made functions include `gnus-thread-sort-by-number',
716 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
717 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score',
718 `gnus-thread-sort-by-most-recent-number',
719 `gnus-thread-sort-by-most-recent-date',
720 `gnus-thread-sort-by-random', and
721 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function').
723 When threading is turned off, the variable
724 `gnus-article-sort-functions' controls how articles are sorted."
725 :group 'gnus-summary-sort
726 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
727 (function-item gnus-thread-sort-by-author)
728 (function-item gnus-thread-sort-by-subject)
729 (function-item gnus-thread-sort-by-date)
730 (function-item gnus-thread-sort-by-score)
731 (function-item gnus-thread-sort-by-total-score)
732 (function-item gnus-thread-sort-by-random)
733 (function :tag "other"))))
735 (defcustom gnus-thread-score-function '+
736 "*Function used for calculating the total score of a thread.
738 The function is called with the scores of the article and each
739 subthread and should then return the score of the thread.
741 Some functions you can use are `+', `max', or `min'."
742 :group 'gnus-summary-sort
745 (defcustom gnus-summary-expunge-below nil
746 "All articles that have a score less than this variable will be expunged.
747 This variable is local to the summary buffers."
748 :group 'gnus-score-default
749 :type '(choice (const :tag "off" nil)
752 (defcustom gnus-thread-expunge-below nil
753 "All threads that have a total score less than this variable will be expunged.
754 See `gnus-thread-score-function' for en explanation of what a
757 This variable is local to the summary buffers."
758 :group 'gnus-threading
759 :group 'gnus-score-default
760 :type '(choice (const :tag "off" nil)
763 (defcustom gnus-summary-mode-hook nil
764 "*A hook for Gnus summary mode.
765 This hook is run before any variables are set in the summary buffer."
766 :options '(turn-on-gnus-mailing-list-mode gnus-pick-mode)
767 :group 'gnus-summary-various
770 ;; Extracted from gnus-xmas-redefine in order to preserve user settings
771 (when (featurep 'xemacs)
772 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-summary-menu-add)
773 (add-hook 'gnus-summary-mode-hook 'gnus-xmas-setup-summary-toolbar)
774 (add-hook 'gnus-summary-mode-hook
775 'gnus-xmas-switch-horizontal-scrollbar-off))
777 (defcustom gnus-summary-menu-hook nil
778 "*Hook run after the creation of the summary mode menu."
779 :group 'gnus-summary-visual
782 (defcustom gnus-summary-exit-hook nil
783 "*A hook called on exit from the summary buffer.
784 It will be called with point in the group buffer."
785 :group 'gnus-summary-exit
788 (defcustom gnus-summary-prepare-hook nil
789 "*A hook called after the summary buffer has been generated.
790 If you want to modify the summary buffer, you can use this hook."
791 :group 'gnus-summary-various
794 (defcustom gnus-summary-prepared-hook nil
795 "*A hook called as the last thing after the summary buffer has been generated."
796 :group 'gnus-summary-various
799 (defcustom gnus-summary-generate-hook nil
800 "*A hook run just before generating the summary buffer.
801 This hook is commonly used to customize threading variables and the
803 :group 'gnus-summary-various
806 (defcustom gnus-select-group-hook nil
807 "*A hook called when a newsgroup is selected.
809 If you'd like to simplify subjects like the
810 `gnus-summary-next-same-subject' command does, you can use the
813 (add-hook gnus-select-group-hook
815 (mapcar (lambda (header)
816 (mail-header-set-subject
818 (gnus-simplify-subject
819 (mail-header-subject header) 're-only)))
820 gnus-newsgroup-headers)))"
821 :group 'gnus-group-select
824 (defcustom gnus-select-article-hook nil
825 "*A hook called when an article is selected."
826 :group 'gnus-summary-choose
827 :options '(gnus-agent-fetch-selected-article)
830 (defcustom gnus-visual-mark-article-hook
831 (list 'gnus-highlight-selected-summary)
832 "*Hook run after selecting an article in the summary buffer.
833 It is meant to be used for highlighting the article in some way. It
834 is not run if `gnus-visual' is nil."
835 :group 'gnus-summary-visual
838 (defcustom gnus-parse-headers-hook nil
839 "*A hook called before parsing the headers."
843 (defcustom gnus-exit-group-hook nil
844 "*A hook called when exiting summary mode.
845 This hook is not called from the non-updating exit commands like `Q'."
849 (defcustom gnus-summary-update-hook
850 (list 'gnus-summary-highlight-line)
851 "*A hook called when a summary line is changed.
852 The hook will not be called if `gnus-visual' is nil.
854 The default function `gnus-summary-highlight-line' will
855 highlight the line according to the `gnus-summary-highlight'
857 :group 'gnus-summary-visual
860 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
861 "*A hook called when an article is selected for the first time.
862 The hook is intended to mark an article as read (or unread)
863 automatically when it is selected."
864 :group 'gnus-summary-choose
867 (defcustom gnus-group-no-more-groups-hook nil
868 "*A hook run when returning to group mode having no more (unread) groups."
869 :group 'gnus-group-select
872 (defcustom gnus-ps-print-hook nil
873 "*A hook run before ps-printing something from Gnus."
877 (defcustom gnus-summary-article-move-hook nil
878 "*A hook called after an article is moved, copied, respooled, or crossposted."
882 (defcustom gnus-summary-article-delete-hook nil
883 "*A hook called after an article is deleted."
887 (defcustom gnus-summary-article-expire-hook nil
888 "*A hook called after an article is expired."
892 (defcustom gnus-summary-display-arrow
893 (and (fboundp 'display-graphic-p)
895 "*If non-nil, display an arrow highlighting the current article."
900 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
901 "Face used for highlighting the current article in the summary buffer."
902 :group 'gnus-summary-visual
905 (defvar gnus-tmp-downloaded nil)
907 (defcustom gnus-summary-highlight
908 '(((eq mark gnus-canceled-mark)
909 . gnus-summary-cancelled-face)
910 ((and uncached (> score default-high))
911 . gnus-summary-high-undownloaded-face)
912 ((and uncached (< score default-low))
913 . gnus-summary-low-undownloaded-face)
915 . gnus-summary-normal-undownloaded-face)
916 ((and (> score default-high)
917 (or (eq mark gnus-dormant-mark)
918 (eq mark gnus-ticked-mark)))
919 . gnus-summary-high-ticked-face)
920 ((and (< score default-low)
921 (or (eq mark gnus-dormant-mark)
922 (eq mark gnus-ticked-mark)))
923 . gnus-summary-low-ticked-face)
924 ((or (eq mark gnus-dormant-mark)
925 (eq mark gnus-ticked-mark))
926 . gnus-summary-normal-ticked-face)
927 ((and (> score default-high) (eq mark gnus-ancient-mark))
928 . gnus-summary-high-ancient-face)
929 ((and (< score default-low) (eq mark gnus-ancient-mark))
930 . gnus-summary-low-ancient-face)
931 ((eq mark gnus-ancient-mark)
932 . gnus-summary-normal-ancient-face)
933 ((and (> score default-high) (eq mark gnus-unread-mark))
934 . gnus-summary-high-unread-face)
935 ((and (< score default-low) (eq mark gnus-unread-mark))
936 . gnus-summary-low-unread-face)
937 ((eq mark gnus-unread-mark)
938 . gnus-summary-normal-unread-face)
939 ((> score default-high)
940 . gnus-summary-high-read-face)
941 ((< score default-low)
942 . gnus-summary-low-read-face)
944 . gnus-summary-normal-read-face))
945 "*Controls the highlighting of summary buffer lines.
947 A list of (FORM . FACE) pairs. When deciding how a a particular
948 summary line should be displayed, each form is evaluated. The content
949 of the face field after the first true form is used. You can change
950 how those summary lines are displayed, by editing the face field.
952 You can use the following variables in the FORM field.
954 score: The article's score
955 default: The default article score.
956 default-high: The default score for high scored articles.
957 default-low: The default score for low scored articles.
958 below: The score below which articles are automatically marked as read.
959 mark: The article's mark.
960 uncached: Non-nil if the article is uncached."
961 :group 'gnus-summary-visual
962 :type '(repeat (cons (sexp :tag "Form" nil)
965 (defcustom gnus-alter-header-function nil
966 "Function called to allow alteration of article header structures.
967 The function is called with one parameter, the article header vector,
968 which it may alter in any way."
969 :type '(choice (const :tag "None" nil)
971 :group 'gnus-summary)
973 (defvar gnus-decode-encoded-word-function 'mail-decode-encoded-word-string
974 "Variable that says which function should be used to decode a string with encoded words.")
976 (defcustom gnus-extra-headers '(To Newsgroups)
977 "*Extra headers to parse."
980 :type '(repeat symbol))
982 (defcustom gnus-ignored-from-addresses
983 (and user-mail-address (regexp-quote user-mail-address))
984 "*Regexp of From headers that may be suppressed in favor of To headers."
989 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit x-unknown)
990 "List of charsets that should be ignored.
991 When these charsets are used in the \"charset\" parameter, the
992 default charset will be used instead."
994 :type '(repeat symbol)
995 :group 'gnus-charset)
997 (gnus-define-group-parameter
1001 "Return the ignored charsets of GROUP."
1002 :variable gnus-group-ignored-charsets-alist
1004 '(("alt\\.chinese\\.text" iso-8859-1))
1006 "Alist of regexps (to match group names) and charsets that should be ignored.
1007 When these charsets are used in the \"charset\" parameter, the
1008 default charset will be used instead."
1009 :variable-group gnus-charset
1010 :variable-type '(repeat (cons (regexp :tag "Group")
1012 :parameter-type '(choice :tag "Ignored charsets"
1015 :parameter-document "\
1016 List of charsets that should be ignored.
1018 When these charsets are used in the \"charset\" parameter, the
1019 default charset will be used instead.")
1021 (defcustom gnus-group-highlight-words-alist nil
1022 "Alist of group regexps and highlight regexps.
1023 This variable uses the same syntax as `gnus-emphasis-alist'."
1025 :type '(repeat (cons (regexp :tag "Group")
1026 (repeat (list (regexp :tag "Highlight regexp")
1027 (number :tag "Group for entire word" 0)
1028 (number :tag "Group for displayed part" 0)
1030 gnus-emphasis-highlight-words)))))
1031 :group 'gnus-summary-visual)
1033 (defcustom gnus-summary-show-article-charset-alist
1035 "Alist of number and charset.
1036 The article will be shown with the charset corresponding to the
1038 For example: ((1 . cn-gb-2312) (2 . big5))."
1040 :type '(repeat (cons (number :tag "Argument" 1)
1041 (symbol :tag "Charset")))
1042 :group 'gnus-charset)
1044 (defcustom gnus-preserve-marks t
1045 "Whether marks are preserved when moving, copying and respooling messages."
1048 :group 'gnus-summary-marks)
1050 (defcustom gnus-alter-articles-to-read-function nil
1051 "Function to be called to alter the list of articles to be selected."
1052 :type '(choice (const nil) function)
1053 :group 'gnus-summary)
1055 (defcustom gnus-orphan-score nil
1056 "*All orphans get this score added. Set in the score file."
1057 :group 'gnus-score-default
1058 :type '(choice (const nil)
1061 (defcustom gnus-summary-save-parts-default-mime "image/.*"
1062 "*A regexp to match MIME parts when saving multiple parts of a
1063 message with `gnus-summary-save-parts' (\\<gnus-summary-mode-map>\\[gnus-summary-save-parts]).
1064 This regexp will be used by default when prompting the user for which
1065 type of files to save."
1066 :group 'gnus-summary
1069 (defcustom gnus-read-all-available-headers nil
1070 "Whether Gnus should parse all headers made available to it.
1071 This is mostly relevant for slow back ends where the user may
1072 wish to widen the summary buffer to include all headers
1073 that were fetched. Say, for nnultimate groups."
1074 :group 'gnus-summary
1075 :type '(choice boolean regexp))
1077 (defcustom gnus-summary-muttprint-program "muttprint"
1078 "Command (and optional arguments) used to run Muttprint."
1080 :group 'gnus-summary
1083 (defcustom gnus-article-loose-mime nil
1084 "If non-nil, don't require MIME-Version header.
1085 Some brain-damaged MUA/MTA, e.g. Lotus Domino 5.0.6 clients, does not
1086 supply the MIME-Version header or deliberately strip it From the mail.
1087 Set it to non-nil, Gnus will treat some articles as MIME even if
1088 the MIME-Version header is missed."
1091 :group 'gnus-article-mime)
1093 (defcustom gnus-article-emulate-mime t
1094 "If non-nil, use MIME emulation for uuencode and the like.
1095 This means that Gnus will search message bodies for text that look
1096 like uuencoded bits, yEncoded bits, and so on, and present that using
1097 the normal Gnus MIME machinery."
1099 :group 'gnus-article-mime)
1101 ;;; Internal variables
1103 (defvar gnus-summary-display-cache nil)
1104 (defvar gnus-article-mime-handles nil)
1105 (defvar gnus-article-decoded-p nil)
1106 (defvar gnus-article-charset nil)
1107 (defvar gnus-article-ignored-charsets nil)
1108 (defvar gnus-scores-exclude-files nil)
1109 (defvar gnus-page-broken nil)
1111 (defvar gnus-original-article nil)
1112 (defvar gnus-article-internal-prepare-hook nil)
1113 (defvar gnus-newsgroup-process-stack nil)
1115 (defvar gnus-thread-indent-array nil)
1116 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
1117 (defvar gnus-sort-gathered-threads-function 'gnus-thread-sort-by-number
1118 "Function called to sort the articles within a thread after it has been gathered together.")
1120 (defvar gnus-summary-save-parts-type-history nil)
1121 (defvar gnus-summary-save-parts-last-directory nil)
1123 ;; Avoid highlighting in kill files.
1124 (defvar gnus-summary-inhibit-highlight nil)
1125 (defvar gnus-newsgroup-selected-overlay nil)
1126 (defvar gnus-inhibit-limiting nil)
1127 (defvar gnus-newsgroup-adaptive-score-file nil)
1128 (defvar gnus-current-score-file nil)
1129 (defvar gnus-current-move-group nil)
1130 (defvar gnus-current-copy-group nil)
1131 (defvar gnus-current-crosspost-group nil)
1132 (defvar gnus-newsgroup-display nil)
1134 (defvar gnus-newsgroup-dependencies nil)
1135 (defvar gnus-newsgroup-adaptive nil)
1136 (defvar gnus-summary-display-article-function nil)
1137 (defvar gnus-summary-highlight-line-function nil
1138 "Function called after highlighting a summary line.")
1140 (defvar gnus-summary-line-format-alist
1141 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
1142 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
1143 (?s gnus-tmp-subject-or-nil ?s)
1144 (?n gnus-tmp-name ?s)
1145 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
1147 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
1149 (?F gnus-tmp-from ?s)
1150 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
1151 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
1152 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
1153 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
1154 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
1155 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
1156 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
1157 (?k (gnus-summary-line-message-size gnus-tmp-header) ?s)
1158 (?L gnus-tmp-lines ?s)
1159 (?O gnus-tmp-downloaded ?c)
1160 (?I gnus-tmp-indentation ?s)
1161 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
1162 (?R gnus-tmp-replied ?c)
1163 (?\[ gnus-tmp-opening-bracket ?c)
1164 (?\] gnus-tmp-closing-bracket ?c)
1165 (?\> (make-string gnus-tmp-level ? ) ?s)
1166 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
1167 (?i gnus-tmp-score ?d)
1168 (?z gnus-tmp-score-char ?c)
1169 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
1170 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
1171 (?U gnus-tmp-unread ?c)
1172 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header gnus-tmp-from)
1174 (?t (gnus-summary-number-of-articles-in-thread
1175 (and (boundp 'thread) (car thread)) gnus-tmp-level)
1177 (?e (gnus-summary-number-of-articles-in-thread
1178 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
1180 (?u gnus-tmp-user-defined ?s)
1181 (?P (gnus-pick-line-number) ?d)
1182 (?B gnus-tmp-thread-tree-header-string ?s)
1183 (user-date (gnus-user-date
1184 ,(macroexpand '(mail-header-date gnus-tmp-header))) ?s))
1185 "An alist of format specifications that can appear in summary lines.
1186 These are paired with what variables they correspond with, along with
1187 the type of the variable (string, integer, character, etc).")
1189 (defvar gnus-summary-dummy-line-format-alist
1190 `((?S gnus-tmp-subject ?s)
1191 (?N gnus-tmp-number ?d)
1192 (?u gnus-tmp-user-defined ?s)))
1194 (defvar gnus-summary-mode-line-format-alist
1195 `((?G gnus-tmp-group-name ?s)
1196 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
1197 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
1198 (?A gnus-tmp-article-number ?d)
1199 (?Z gnus-tmp-unread-and-unselected ?s)
1200 (?V gnus-version ?s)
1201 (?U gnus-tmp-unread-and-unticked ?d)
1202 (?S gnus-tmp-subject ?s)
1203 (?e gnus-tmp-unselected ?d)
1204 (?u gnus-tmp-user-defined ?s)
1205 (?d (length gnus-newsgroup-dormant) ?d)
1206 (?t (length gnus-newsgroup-marked) ?d)
1207 (?h (length gnus-newsgroup-spam-marked) ?d)
1208 (?r (length gnus-newsgroup-reads) ?d)
1209 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
1210 (?E gnus-newsgroup-expunged-tally ?d)
1211 (?s (gnus-current-score-file-nondirectory) ?s)))
1213 (defvar gnus-last-search-regexp nil
1214 "Default regexp for article search command.")
1216 (defvar gnus-last-shell-command nil
1217 "Default shell command on article.")
1219 (defvar gnus-newsgroup-agentized nil
1220 "Locally bound in each summary buffer to indicate whether the server has been agentized.")
1221 (defvar gnus-newsgroup-begin nil)
1222 (defvar gnus-newsgroup-end nil)
1223 (defvar gnus-newsgroup-last-rmail nil)
1224 (defvar gnus-newsgroup-last-mail nil)
1225 (defvar gnus-newsgroup-last-folder nil)
1226 (defvar gnus-newsgroup-last-file nil)
1227 (defvar gnus-newsgroup-auto-expire nil)
1228 (defvar gnus-newsgroup-active nil)
1230 (defvar gnus-newsgroup-data nil)
1231 (defvar gnus-newsgroup-data-reverse nil)
1232 (defvar gnus-newsgroup-limit nil)
1233 (defvar gnus-newsgroup-limits nil)
1234 (defvar gnus-summary-use-undownloaded-faces nil)
1236 (defvar gnus-newsgroup-unreads nil
1237 "Sorted list of unread articles in the current newsgroup.")
1239 (defvar gnus-newsgroup-unselected nil
1240 "Sorted list of unselected unread articles in the current newsgroup.")
1242 (defvar gnus-newsgroup-reads nil
1243 "Alist of read articles and article marks in the current newsgroup.")
1245 (defvar gnus-newsgroup-expunged-tally nil)
1247 (defvar gnus-newsgroup-marked nil
1248 "Sorted list of ticked articles in the current newsgroup (a subset of unread art).")
1250 (defvar gnus-newsgroup-spam-marked nil
1251 "List of ranges of articles that have been marked as spam.")
1253 (defvar gnus-newsgroup-killed nil
1254 "List of ranges of articles that have been through the scoring process.")
1256 (defvar gnus-newsgroup-cached nil
1257 "Sorted list of articles that come from the article cache.")
1259 (defvar gnus-newsgroup-saved nil
1260 "List of articles that have been saved.")
1262 (defvar gnus-newsgroup-kill-headers nil)
1264 (defvar gnus-newsgroup-replied nil
1265 "List of articles that have been replied to in the current newsgroup.")
1267 (defvar gnus-newsgroup-forwarded nil
1268 "List of articles that have been forwarded in the current newsgroup.")
1270 (defvar gnus-newsgroup-recent nil
1271 "List of articles that have are recent in the current newsgroup.")
1273 (defvar gnus-newsgroup-expirable nil
1274 "Sorted list of articles in the current newsgroup that can be expired.")
1276 (defvar gnus-newsgroup-processable nil
1277 "List of articles in the current newsgroup that can be processed.")
1279 (defvar gnus-newsgroup-downloadable nil
1280 "Sorted list of articles in the current newsgroup that can be processed.")
1282 (defvar gnus-newsgroup-unfetched nil
1283 "Sorted list of articles in the current newsgroup whose headers have
1284 not been fetched into the agent.
1286 This list will always be a subset of gnus-newsgroup-undownloaded.")
1288 (defvar gnus-newsgroup-undownloaded nil
1289 "List of articles in the current newsgroup that haven't been downloaded.")
1291 (defvar gnus-newsgroup-unsendable nil
1292 "List of articles in the current newsgroup that won't be sent.")
1294 (defvar gnus-newsgroup-bookmarks nil
1295 "List of articles in the current newsgroup that have bookmarks.")
1297 (defvar gnus-newsgroup-dormant nil
1298 "Sorted list of dormant articles in the current newsgroup.")
1300 (defvar gnus-newsgroup-unseen nil
1301 "List of unseen articles in the current newsgroup.")
1303 (defvar gnus-newsgroup-seen nil
1304 "Range of seen articles in the current newsgroup.")
1306 (defvar gnus-newsgroup-articles nil
1307 "List of articles in the current newsgroup.")
1309 (defvar gnus-newsgroup-scored nil
1310 "List of scored articles in the current newsgroup.")
1312 (defvar gnus-newsgroup-headers nil
1313 "List of article headers in the current newsgroup.")
1315 (defvar gnus-newsgroup-threads nil)
1317 (defvar gnus-newsgroup-prepared nil
1318 "Whether the current group has been prepared properly.")
1320 (defvar gnus-newsgroup-ancient nil
1321 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1323 (defvar gnus-newsgroup-sparse nil)
1325 (defvar gnus-current-article nil)
1326 (defvar gnus-article-current nil)
1327 (defvar gnus-current-headers nil)
1328 (defvar gnus-have-all-headers nil)
1329 (defvar gnus-last-article nil)
1330 (defvar gnus-newsgroup-history nil)
1331 (defvar gnus-newsgroup-charset nil)
1332 (defvar gnus-newsgroup-ephemeral-charset nil)
1333 (defvar gnus-newsgroup-ephemeral-ignored-charsets nil)
1335 (defvar gnus-article-before-search nil)
1337 (defvar gnus-summary-local-variables
1338 '(gnus-newsgroup-name
1339 gnus-newsgroup-begin gnus-newsgroup-end
1340 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1341 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1342 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1343 gnus-newsgroup-unselected gnus-newsgroup-marked
1344 gnus-newsgroup-spam-marked
1345 gnus-newsgroup-reads gnus-newsgroup-saved
1346 gnus-newsgroup-replied gnus-newsgroup-forwarded
1347 gnus-newsgroup-recent
1348 gnus-newsgroup-expirable
1349 gnus-newsgroup-processable gnus-newsgroup-killed
1350 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1351 gnus-newsgroup-unfetched
1352 gnus-newsgroup-unsendable gnus-newsgroup-unseen
1353 gnus-newsgroup-seen gnus-newsgroup-articles
1354 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1355 gnus-newsgroup-headers gnus-newsgroup-threads
1356 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1357 gnus-current-article gnus-current-headers gnus-have-all-headers
1358 gnus-last-article gnus-article-internal-prepare-hook
1359 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1360 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1361 gnus-thread-expunge-below
1362 gnus-score-alist gnus-current-score-file
1363 (gnus-summary-expunge-below . global)
1364 (gnus-summary-mark-below . global)
1365 (gnus-orphan-score . global)
1366 gnus-newsgroup-active gnus-scores-exclude-files
1367 gnus-newsgroup-history gnus-newsgroup-ancient
1368 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1369 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1370 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1371 (gnus-newsgroup-expunged-tally . 0)
1372 gnus-cache-removable-articles gnus-newsgroup-cached
1373 gnus-newsgroup-data gnus-newsgroup-data-reverse
1374 gnus-newsgroup-limit gnus-newsgroup-limits
1375 gnus-newsgroup-charset gnus-newsgroup-display
1376 gnus-summary-use-undownloaded-faces)
1377 "Variables that are buffer-local to the summary buffers.")
1379 (defvar gnus-newsgroup-variables nil
1380 "A list of variables that have separate values in different newsgroups.
1381 A list of newsgroup (summary buffer) local variables, or cons of
1382 variables and their default values (when the default values are not
1383 nil), that should be made global while the summary buffer is active.
1384 These variables can be used to set variables in the group parameters
1385 while still allowing them to affect operations done in other
1386 buffers. For example:
1388 \(setq gnus-newsgroup-variables
1389 '(message-use-followup-to
1390 (gnus-visible-headers .
1391 \"^From:\\\\|^Newsgroups:\\\\|^Subject:\\\\|^Date:\\\\|^To:\")))
1394 ;; Byte-compiler warning.
1396 ;; Bind features so that require will believe that gnus-sum has
1397 ;; already been loaded (avoids infinite recursion)
1398 (let ((features (cons 'gnus-sum features)))
1399 ;; Several of the declarations in gnus-sum are needed to load the
1400 ;; following files. Right now, these definitions have been
1401 ;; compiled but not defined (evaluated). We could either do a
1402 ;; eval-and-compile about all of the declarations or evaluate the
1404 (if (boundp 'gnus-newsgroup-variables)
1406 (load "gnus-sum.el" t t t))
1408 (require 'gnus-agent)
1409 (require 'gnus-art)))
1413 (defvar gnus-decode-encoded-word-methods
1414 '(mail-decode-encoded-word-string)
1415 "List of methods used to decode encoded words.
1417 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item
1418 is FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
1419 \(REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
1420 whose names match REGEXP.
1423 \((\"chinese\" . gnus-decode-encoded-word-string-by-guess)
1424 mail-decode-encoded-word-string
1425 (\"chinese\" . rfc1843-decode-string))")
1427 (defvar gnus-decode-encoded-word-methods-cache nil)
1429 (defun gnus-multi-decode-encoded-word-string (string)
1430 "Apply the functions from `gnus-encoded-word-methods' that match."
1431 (unless (and gnus-decode-encoded-word-methods-cache
1432 (eq gnus-newsgroup-name
1433 (car gnus-decode-encoded-word-methods-cache)))
1434 (setq gnus-decode-encoded-word-methods-cache (list gnus-newsgroup-name))
1437 (nconc gnus-decode-encoded-word-methods-cache (list x))
1438 (if (and gnus-newsgroup-name
1439 (string-match (car x) gnus-newsgroup-name))
1440 (nconc gnus-decode-encoded-word-methods-cache
1442 gnus-decode-encoded-word-methods))
1443 (let ((xlist gnus-decode-encoded-word-methods-cache))
1446 (setq string (funcall (pop xlist) string))))
1449 ;; Subject simplification.
1451 (defun gnus-simplify-whitespace (str)
1452 "Remove excessive whitespace from STR."
1454 (while (string-match "[ \t][ \t]+" str)
1455 (setq str (concat (substring str 0 (match-beginning 0))
1457 (substring str (match-end 0)))))
1459 (when (string-match "^[ \t]+" str)
1460 (setq str (substring str (match-end 0))))
1462 (when (string-match "[ \t]+$" str)
1463 (setq str (substring str 0 (match-beginning 0))))
1466 (defun gnus-simplify-all-whitespace (str)
1467 "Remove all whitespace from STR."
1468 (while (string-match "[ \t\n]+" str)
1469 (setq str (replace-match "" nil nil str)))
1472 (defsubst gnus-simplify-subject-re (subject)
1473 "Remove \"Re:\" from subject lines."
1474 (if (string-match message-subject-re-regexp subject)
1475 (substring subject (match-end 0))
1478 (defun gnus-simplify-subject (subject &optional re-only)
1479 "Remove `Re:' and words in parentheses.
1480 If RE-ONLY is non-nil, strip leading `Re:'s only."
1481 (let ((case-fold-search t)) ;Ignore case.
1482 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1483 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1484 (setq subject (substring subject (match-end 0))))
1485 ;; Remove uninteresting prefixes.
1486 (when (and (not re-only)
1487 gnus-simplify-ignored-prefixes
1488 (string-match gnus-simplify-ignored-prefixes subject))
1489 (setq subject (substring subject (match-end 0))))
1490 ;; Remove words in parentheses from end.
1492 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1493 (setq subject (substring subject 0 (match-beginning 0)))))
1494 ;; Return subject string.
1497 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1499 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1500 (goto-char (point-min))
1501 (while (re-search-forward regexp nil t)
1502 (replace-match (or newtext ""))))
1504 (defun gnus-simplify-buffer-fuzzy ()
1505 "Simplify string in the buffer fuzzily.
1506 The string in the accessible portion of the current buffer is simplified.
1507 It is assumed to be a single-line subject.
1508 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1509 matter is removed. Additional things can be deleted by setting
1510 `gnus-simplify-subject-fuzzy-regexp'."
1511 (let ((case-fold-search t)
1513 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1515 (while (not (eq modified-tick (buffer-modified-tick)))
1516 (setq modified-tick (buffer-modified-tick))
1518 ((listp gnus-simplify-subject-fuzzy-regexp)
1519 (mapcar 'gnus-simplify-buffer-fuzzy-step
1520 gnus-simplify-subject-fuzzy-regexp))
1521 (gnus-simplify-subject-fuzzy-regexp
1522 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1523 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1524 (gnus-simplify-buffer-fuzzy-step
1525 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1526 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1528 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1529 (gnus-simplify-buffer-fuzzy-step " +" " ")
1530 (gnus-simplify-buffer-fuzzy-step " $")
1531 (gnus-simplify-buffer-fuzzy-step "^ +")))
1533 (defun gnus-simplify-subject-fuzzy (subject)
1534 "Simplify a subject string fuzzily.
1535 See `gnus-simplify-buffer-fuzzy' for details."
1537 (gnus-set-work-buffer)
1538 (let ((case-fold-search t))
1539 ;; Remove uninteresting prefixes.
1540 (when (and gnus-simplify-ignored-prefixes
1541 (string-match gnus-simplify-ignored-prefixes subject))
1542 (setq subject (substring subject (match-end 0))))
1544 (inline (gnus-simplify-buffer-fuzzy))
1547 (defsubst gnus-simplify-subject-fully (subject)
1548 "Simplify a subject string according to `gnus-summary-gather-subject-limit'."
1550 (gnus-simplify-subject-functions
1551 (gnus-map-function gnus-simplify-subject-functions subject))
1552 ((null gnus-summary-gather-subject-limit)
1553 (gnus-simplify-subject-re subject))
1554 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1555 (gnus-simplify-subject-fuzzy subject))
1556 ((numberp gnus-summary-gather-subject-limit)
1557 (gnus-limit-string (gnus-simplify-subject-re subject)
1558 gnus-summary-gather-subject-limit))
1562 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1563 "Check whether two subjects are equal.
1564 If optional argument SIMPLE-FIRST is t, first argument is already
1567 ((null simple-first)
1568 (equal (gnus-simplify-subject-fully s1)
1569 (gnus-simplify-subject-fully s2)))
1572 (gnus-simplify-subject-fully s2)))))
1574 (defun gnus-summary-bubble-group ()
1575 "Increase the score of the current group.
1576 This is a handy function to add to `gnus-summary-exit-hook' to
1577 increase the score of each group you read."
1578 (gnus-group-add-score gnus-newsgroup-name))
1582 ;;; Gnus summary mode
1585 (put 'gnus-summary-mode 'mode-class 'special)
1587 (defvar gnus-article-commands-menu)
1589 ;; Non-orthogonal keys
1591 (gnus-define-keys gnus-summary-mode-map
1592 " " gnus-summary-next-page
1593 "\177" gnus-summary-prev-page
1594 [delete] gnus-summary-prev-page
1595 [backspace] gnus-summary-prev-page
1596 "\r" gnus-summary-scroll-up
1597 "\M-\r" gnus-summary-scroll-down
1598 "n" gnus-summary-next-unread-article
1599 "p" gnus-summary-prev-unread-article
1600 "N" gnus-summary-next-article
1601 "P" gnus-summary-prev-article
1602 "\M-\C-n" gnus-summary-next-same-subject
1603 "\M-\C-p" gnus-summary-prev-same-subject
1604 "\M-n" gnus-summary-next-unread-subject
1605 "\M-p" gnus-summary-prev-unread-subject
1606 "." gnus-summary-first-unread-article
1607 "," gnus-summary-best-unread-article
1608 "\M-s" gnus-summary-search-article-forward
1609 "\M-r" gnus-summary-search-article-backward
1610 "<" gnus-summary-beginning-of-article
1611 ">" gnus-summary-end-of-article
1612 "j" gnus-summary-goto-article
1613 "^" gnus-summary-refer-parent-article
1614 "\M-^" gnus-summary-refer-article
1615 "u" gnus-summary-tick-article-forward
1616 "!" gnus-summary-tick-article-forward
1617 "U" gnus-summary-tick-article-backward
1618 "d" gnus-summary-mark-as-read-forward
1619 "D" gnus-summary-mark-as-read-backward
1620 "E" gnus-summary-mark-as-expirable
1621 "\M-u" gnus-summary-clear-mark-forward
1622 "\M-U" gnus-summary-clear-mark-backward
1623 "k" gnus-summary-kill-same-subject-and-select
1624 "\C-k" gnus-summary-kill-same-subject
1625 "\M-\C-k" gnus-summary-kill-thread
1626 "\M-\C-l" gnus-summary-lower-thread
1627 "e" gnus-summary-edit-article
1628 "#" gnus-summary-mark-as-processable
1629 "\M-#" gnus-summary-unmark-as-processable
1630 "\M-\C-t" gnus-summary-toggle-threads
1631 "\M-\C-s" gnus-summary-show-thread
1632 "\M-\C-h" gnus-summary-hide-thread
1633 "\M-\C-f" gnus-summary-next-thread
1634 "\M-\C-b" gnus-summary-prev-thread
1635 [(meta down)] gnus-summary-next-thread
1636 [(meta up)] gnus-summary-prev-thread
1637 "\M-\C-u" gnus-summary-up-thread
1638 "\M-\C-d" gnus-summary-down-thread
1639 "&" gnus-summary-execute-command
1640 "c" gnus-summary-catchup-and-exit
1641 "\C-w" gnus-summary-mark-region-as-read
1642 "\C-t" gnus-summary-toggle-truncation
1643 "?" gnus-summary-mark-as-dormant
1644 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1645 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1646 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1647 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1648 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1649 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1650 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1651 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1652 "\C-c\C-s\C-o" gnus-summary-sort-by-original
1653 "\C-c\C-s\C-r" gnus-summary-sort-by-random
1654 "=" gnus-summary-expand-window
1655 "\C-x\C-s" gnus-summary-reselect-current-group
1656 "\M-g" gnus-summary-rescan-group
1657 "w" gnus-summary-stop-page-breaking
1658 "\C-c\C-r" gnus-summary-caesar-message
1659 "f" gnus-summary-followup
1660 "F" gnus-summary-followup-with-original
1661 "C" gnus-summary-cancel-article
1662 "r" gnus-summary-reply
1663 "R" gnus-summary-reply-with-original
1664 "\C-c\C-f" gnus-summary-mail-forward
1665 "o" gnus-summary-save-article
1666 "\C-o" gnus-summary-save-article-mail
1667 "|" gnus-summary-pipe-output
1668 "\M-k" gnus-summary-edit-local-kill
1669 "\M-K" gnus-summary-edit-global-kill
1671 "\C-c\C-d" gnus-summary-describe-group
1672 "q" gnus-summary-exit
1673 "Q" gnus-summary-exit-no-update
1674 "\C-c\C-i" gnus-info-find-node
1675 gnus-mouse-2 gnus-mouse-pick-article
1676 "m" gnus-summary-mail-other-window
1677 "a" gnus-summary-post-news
1678 "i" gnus-summary-news-other-window
1679 "x" gnus-summary-limit-to-unread
1680 "s" gnus-summary-isearch-article
1681 "t" gnus-summary-toggle-header
1682 "g" gnus-summary-show-article
1683 "l" gnus-summary-goto-last-article
1684 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1685 "\C-d" gnus-summary-enter-digest-group
1686 "\M-\C-d" gnus-summary-read-document
1687 "\M-\C-e" gnus-summary-edit-parameters
1688 "\M-\C-a" gnus-summary-customize-parameters
1690 "*" gnus-cache-enter-article
1691 "\M-*" gnus-cache-remove-article
1692 "\M-&" gnus-summary-universal-argument
1693 "\C-l" gnus-recenter
1694 "I" gnus-summary-increase-score
1695 "L" gnus-summary-lower-score
1696 "\M-i" gnus-symbolic-argument
1697 "h" gnus-summary-select-article-buffer
1699 "b" gnus-article-view-part
1700 "\M-t" gnus-summary-toggle-display-buttonized
1702 "V" gnus-summary-score-map
1703 "X" gnus-uu-extract-map
1704 "S" gnus-summary-send-map)
1706 ;; Sort of orthogonal keymap
1707 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1708 "t" gnus-summary-tick-article-forward
1709 "!" gnus-summary-tick-article-forward
1710 "d" gnus-summary-mark-as-read-forward
1711 "r" gnus-summary-mark-as-read-forward
1712 "c" gnus-summary-clear-mark-forward
1713 " " gnus-summary-clear-mark-forward
1714 "e" gnus-summary-mark-as-expirable
1715 "x" gnus-summary-mark-as-expirable
1716 "?" gnus-summary-mark-as-dormant
1717 "b" gnus-summary-set-bookmark
1718 "B" gnus-summary-remove-bookmark
1719 "#" gnus-summary-mark-as-processable
1720 "\M-#" gnus-summary-unmark-as-processable
1721 "S" gnus-summary-limit-include-expunged
1722 "C" gnus-summary-catchup
1723 "H" gnus-summary-catchup-to-here
1724 "h" gnus-summary-catchup-from-here
1725 "\C-c" gnus-summary-catchup-all
1726 "k" gnus-summary-kill-same-subject-and-select
1727 "K" gnus-summary-kill-same-subject
1728 "P" gnus-uu-mark-map)
1730 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1731 "c" gnus-summary-clear-above
1732 "u" gnus-summary-tick-above
1733 "m" gnus-summary-mark-above
1734 "k" gnus-summary-kill-below)
1736 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1737 "/" gnus-summary-limit-to-subject
1738 "n" gnus-summary-limit-to-articles
1739 "w" gnus-summary-pop-limit
1740 "s" gnus-summary-limit-to-subject
1741 "a" gnus-summary-limit-to-author
1742 "u" gnus-summary-limit-to-unread
1743 "m" gnus-summary-limit-to-marks
1744 "M" gnus-summary-limit-exclude-marks
1745 "v" gnus-summary-limit-to-score
1746 "*" gnus-summary-limit-include-cached
1747 "D" gnus-summary-limit-include-dormant
1748 "T" gnus-summary-limit-include-thread
1749 "d" gnus-summary-limit-exclude-dormant
1750 "t" gnus-summary-limit-to-age
1751 "." gnus-summary-limit-to-unseen
1752 "x" gnus-summary-limit-to-extra
1753 "p" gnus-summary-limit-to-display-predicate
1754 "E" gnus-summary-limit-include-expunged
1755 "c" gnus-summary-limit-exclude-childless-dormant
1756 "C" gnus-summary-limit-mark-excluded-as-read
1757 "o" gnus-summary-insert-old-articles
1758 "N" gnus-summary-insert-new-articles)
1760 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1761 "n" gnus-summary-next-unread-article
1762 "p" gnus-summary-prev-unread-article
1763 "N" gnus-summary-next-article
1764 "P" gnus-summary-prev-article
1765 "\C-n" gnus-summary-next-same-subject
1766 "\C-p" gnus-summary-prev-same-subject
1767 "\M-n" gnus-summary-next-unread-subject
1768 "\M-p" gnus-summary-prev-unread-subject
1769 "f" gnus-summary-first-unread-article
1770 "b" gnus-summary-best-unread-article
1771 "j" gnus-summary-goto-article
1772 "g" gnus-summary-goto-subject
1773 "l" gnus-summary-goto-last-article
1774 "o" gnus-summary-pop-article)
1776 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1777 "k" gnus-summary-kill-thread
1778 "l" gnus-summary-lower-thread
1779 "i" gnus-summary-raise-thread
1780 "T" gnus-summary-toggle-threads
1781 "t" gnus-summary-rethread-current
1782 "^" gnus-summary-reparent-thread
1783 "s" gnus-summary-show-thread
1784 "S" gnus-summary-show-all-threads
1785 "h" gnus-summary-hide-thread
1786 "H" gnus-summary-hide-all-threads
1787 "n" gnus-summary-next-thread
1788 "p" gnus-summary-prev-thread
1789 "u" gnus-summary-up-thread
1790 "o" gnus-summary-top-thread
1791 "d" gnus-summary-down-thread
1792 "#" gnus-uu-mark-thread
1793 "\M-#" gnus-uu-unmark-thread)
1795 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1796 "g" gnus-summary-prepare
1797 "c" gnus-summary-insert-cached-articles
1798 "d" gnus-summary-insert-dormant-articles)
1800 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1801 "c" gnus-summary-catchup-and-exit
1802 "C" gnus-summary-catchup-all-and-exit
1803 "E" gnus-summary-exit-no-update
1804 "Q" gnus-summary-exit
1805 "Z" gnus-summary-exit
1806 "n" gnus-summary-catchup-and-goto-next-group
1807 "R" gnus-summary-reselect-current-group
1808 "G" gnus-summary-rescan-group
1809 "N" gnus-summary-next-group
1810 "s" gnus-summary-save-newsrc
1811 "P" gnus-summary-prev-group)
1813 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1814 " " gnus-summary-next-page
1815 "n" gnus-summary-next-page
1816 "\177" gnus-summary-prev-page
1817 [delete] gnus-summary-prev-page
1818 "p" gnus-summary-prev-page
1819 "\r" gnus-summary-scroll-up
1820 "\M-\r" gnus-summary-scroll-down
1821 "<" gnus-summary-beginning-of-article
1822 ">" gnus-summary-end-of-article
1823 "b" gnus-summary-beginning-of-article
1824 "e" gnus-summary-end-of-article
1825 "^" gnus-summary-refer-parent-article
1826 "r" gnus-summary-refer-parent-article
1827 "D" gnus-summary-enter-digest-group
1828 "R" gnus-summary-refer-references
1829 "T" gnus-summary-refer-thread
1830 "g" gnus-summary-show-article
1831 "s" gnus-summary-isearch-article
1832 "P" gnus-summary-print-article
1833 "M" gnus-mailing-list-insinuate
1834 "t" gnus-article-babel)
1836 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1837 "b" gnus-article-add-buttons
1838 "B" gnus-article-add-buttons-to-head
1839 "o" gnus-article-treat-overstrike
1840 "e" gnus-article-emphasize
1841 "w" gnus-article-fill-cited-article
1842 "Q" gnus-article-fill-long-lines
1843 "C" gnus-article-capitalize-sentences
1844 "c" gnus-article-remove-cr
1845 "q" gnus-article-de-quoted-unreadable
1846 "6" gnus-article-de-base64-unreadable
1847 "Z" gnus-article-decode-HZ
1848 "h" gnus-article-wash-html
1849 "u" gnus-article-unsplit-urls
1850 "s" gnus-summary-force-verify-and-decrypt
1851 "f" gnus-article-display-x-face
1852 "l" gnus-summary-stop-page-breaking
1853 "r" gnus-summary-caesar-message
1854 "m" gnus-summary-morse-message
1855 "t" gnus-summary-toggle-header
1856 "g" gnus-treat-smiley
1857 "v" gnus-summary-verbose-headers
1858 "a" gnus-article-strip-headers-in-body ;; mnemonic: wash archive
1859 "p" gnus-article-verify-x-pgp-sig
1860 "d" gnus-article-treat-dumbquotes)
1862 (gnus-define-keys (gnus-summary-wash-deuglify-map "Y" gnus-summary-wash-map)
1863 ;; mnemonic: deuglif*Y*
1864 "u" gnus-article-outlook-unwrap-lines
1865 "a" gnus-article-outlook-repair-attribution
1866 "c" gnus-article-outlook-rearrange-citation
1867 "f" gnus-article-outlook-deuglify-article) ;; mnemonic: full deuglify
1869 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1870 "a" gnus-article-hide
1871 "h" gnus-article-hide-headers
1872 "b" gnus-article-hide-boring-headers
1873 "s" gnus-article-hide-signature
1874 "c" gnus-article-hide-citation
1875 "C" gnus-article-hide-citation-in-followups
1876 "l" gnus-article-hide-list-identifiers
1877 "B" gnus-article-strip-banner
1878 "P" gnus-article-hide-pem
1879 "\C-c" gnus-article-hide-citation-maybe)
1881 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1882 "a" gnus-article-highlight
1883 "h" gnus-article-highlight-headers
1884 "c" gnus-article-highlight-citation
1885 "s" gnus-article-highlight-signature)
1887 (gnus-define-keys (gnus-summary-wash-header-map "G" gnus-summary-wash-map)
1888 "f" gnus-article-treat-fold-headers
1889 "u" gnus-article-treat-unfold-headers
1890 "n" gnus-article-treat-fold-newsgroups)
1892 (gnus-define-keys (gnus-summary-wash-display-map "D" gnus-summary-wash-map)
1893 "x" gnus-article-display-x-face
1894 "d" gnus-article-display-face
1895 "s" gnus-treat-smiley
1896 "D" gnus-article-remove-images
1897 "f" gnus-treat-from-picon
1898 "m" gnus-treat-mail-picon
1899 "n" gnus-treat-newsgroups-picon)
1901 (gnus-define-keys (gnus-summary-wash-mime-map "M" gnus-summary-wash-map)
1902 "w" gnus-article-decode-mime-words
1903 "c" gnus-article-decode-charset
1904 "v" gnus-mime-view-all-parts
1905 "b" gnus-article-view-part)
1907 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1908 "z" gnus-article-date-ut
1909 "u" gnus-article-date-ut
1910 "l" gnus-article-date-local
1911 "p" gnus-article-date-english
1912 "e" gnus-article-date-lapsed
1913 "o" gnus-article-date-original
1914 "i" gnus-article-date-iso8601
1915 "s" gnus-article-date-user)
1917 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1918 "t" gnus-article-remove-trailing-blank-lines
1919 "l" gnus-article-strip-leading-blank-lines
1920 "m" gnus-article-strip-multiple-blank-lines
1921 "a" gnus-article-strip-blank-lines
1922 "A" gnus-article-strip-all-blank-lines
1923 "s" gnus-article-strip-leading-space
1924 "e" gnus-article-strip-trailing-space
1925 "w" gnus-article-remove-leading-whitespace)
1927 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1929 "f" gnus-summary-fetch-faq
1930 "d" gnus-summary-describe-group
1931 "h" gnus-summary-describe-briefly
1932 "i" gnus-info-find-node
1933 "c" gnus-group-fetch-charter
1934 "C" gnus-group-fetch-control)
1936 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1937 "e" gnus-summary-expire-articles
1938 "\M-\C-e" gnus-summary-expire-articles-now
1939 "\177" gnus-summary-delete-article
1940 [delete] gnus-summary-delete-article
1941 [backspace] gnus-summary-delete-article
1942 "m" gnus-summary-move-article
1943 "r" gnus-summary-respool-article
1944 "w" gnus-summary-edit-article
1945 "c" gnus-summary-copy-article
1946 "B" gnus-summary-crosspost-article
1947 "q" gnus-summary-respool-query
1948 "t" gnus-summary-respool-trace
1949 "i" gnus-summary-import-article
1950 "I" gnus-summary-create-article
1951 "p" gnus-summary-article-posted-p)
1953 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1954 "o" gnus-summary-save-article
1955 "m" gnus-summary-save-article-mail
1956 "F" gnus-summary-write-article-file
1957 "r" gnus-summary-save-article-rmail
1958 "f" gnus-summary-save-article-file
1959 "b" gnus-summary-save-article-body-file
1960 "h" gnus-summary-save-article-folder
1961 "v" gnus-summary-save-article-vm
1962 "p" gnus-summary-pipe-output
1963 "P" gnus-summary-muttprint
1964 "s" gnus-soup-add-article)
1966 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
1967 "b" gnus-summary-display-buttonized
1968 "m" gnus-summary-repair-multipart
1969 "v" gnus-article-view-part
1970 "o" gnus-article-save-part
1971 "c" gnus-article-copy-part
1972 "C" gnus-article-view-part-as-charset
1973 "e" gnus-article-view-part-externally
1974 "E" gnus-article-encrypt-body
1975 "i" gnus-article-inline-part
1976 "|" gnus-article-pipe-part)
1978 (gnus-define-keys (gnus-uu-mark-map "P" gnus-summary-mark-map)
1979 "p" gnus-summary-mark-as-processable
1980 "u" gnus-summary-unmark-as-processable
1981 "U" gnus-summary-unmark-all-processable
1982 "v" gnus-uu-mark-over
1983 "s" gnus-uu-mark-series
1984 "r" gnus-uu-mark-region
1985 "g" gnus-uu-unmark-region
1986 "R" gnus-uu-mark-by-regexp
1987 "G" gnus-uu-unmark-by-regexp
1988 "t" gnus-uu-mark-thread
1989 "T" gnus-uu-unmark-thread
1990 "a" gnus-uu-mark-all
1991 "b" gnus-uu-mark-buffer
1992 "S" gnus-uu-mark-sparse
1993 "k" gnus-summary-kill-process-mark
1994 "y" gnus-summary-yank-process-mark
1995 "w" gnus-summary-save-process-mark
1996 "i" gnus-uu-invert-processable)
1998 (gnus-define-keys (gnus-uu-extract-map "X" gnus-summary-mode-map)
1999 ;;"x" gnus-uu-extract-any
2000 "m" gnus-summary-save-parts
2001 "u" gnus-uu-decode-uu
2002 "U" gnus-uu-decode-uu-and-save
2003 "s" gnus-uu-decode-unshar
2004 "S" gnus-uu-decode-unshar-and-save
2005 "o" gnus-uu-decode-save
2006 "O" gnus-uu-decode-save
2007 "b" gnus-uu-decode-binhex
2008 "B" gnus-uu-decode-binhex
2009 "p" gnus-uu-decode-postscript
2010 "P" gnus-uu-decode-postscript-and-save)
2013 (gnus-uu-extract-view-map "v" gnus-uu-extract-map)
2014 "u" gnus-uu-decode-uu-view
2015 "U" gnus-uu-decode-uu-and-save-view
2016 "s" gnus-uu-decode-unshar-view
2017 "S" gnus-uu-decode-unshar-and-save-view
2018 "o" gnus-uu-decode-save-view
2019 "O" gnus-uu-decode-save-view
2020 "b" gnus-uu-decode-binhex-view
2021 "B" gnus-uu-decode-binhex-view
2022 "p" gnus-uu-decode-postscript-view
2023 "P" gnus-uu-decode-postscript-and-save-view)
2025 (defvar gnus-article-post-menu nil)
2027 (defconst gnus-summary-menu-maxlen 20)
2029 (defun gnus-summary-menu-split (menu)
2030 ;; If we have lots of elements, divide them into groups of 20
2031 ;; and make a pane (or submenu) for each one.
2032 (if (> (length menu) (/ (* gnus-summary-menu-maxlen 3) 2))
2033 (let ((menu menu) sublists next
2036 ;; Pull off the next gnus-summary-menu-maxlen elements
2037 ;; and make them the next element of sublist.
2038 (setq next (nthcdr gnus-summary-menu-maxlen menu))
2040 (setcdr (nthcdr (1- gnus-summary-menu-maxlen) menu)
2042 (setq sublists (cons (cons (format "%s ... %s" (aref (car menu) 0)
2043 (aref (car (last menu)) 0)) menu)
2047 (nreverse sublists))
2048 ;; Few elements--put them all in one pane.
2051 (defun gnus-summary-make-menu-bar ()
2052 (gnus-turn-off-edit-menu 'summary)
2054 (unless (boundp 'gnus-summary-misc-menu)
2057 gnus-summary-kill-menu gnus-summary-mode-map ""
2062 ["Customize" gnus-score-customize t])
2063 (gnus-make-score-map 'increase)
2064 (gnus-make-score-map 'lower)
2066 ["Kill below" gnus-summary-kill-below t]
2067 ["Mark above" gnus-summary-mark-above t]
2068 ["Tick above" gnus-summary-tick-above t]
2069 ["Clear above" gnus-summary-clear-above t])
2070 ["Current score" gnus-summary-current-score t]
2071 ["Set score" gnus-summary-set-score t]
2072 ["Switch current score file..." gnus-score-change-score-file t]
2073 ["Set mark below..." gnus-score-set-mark-below t]
2074 ["Set expunge below..." gnus-score-set-expunge-below t]
2075 ["Edit current score file" gnus-score-edit-current-scores t]
2076 ["Edit score file" gnus-score-edit-file t]
2077 ["Trace score" gnus-score-find-trace t]
2078 ["Find words" gnus-score-find-favourite-words t]
2079 ["Rescore buffer" gnus-summary-rescore t]
2080 ["Increase score..." gnus-summary-increase-score t]
2081 ["Lower score..." gnus-summary-lower-score t]))))
2083 ;; Define both the Article menu in the summary buffer and the
2084 ;; equivalent Commands menu in the article buffer here for
2088 ["All" gnus-article-hide t]
2089 ["Headers" gnus-article-hide-headers t]
2090 ["Signature" gnus-article-hide-signature t]
2091 ["Citation" gnus-article-hide-citation t]
2092 ["List identifiers" gnus-article-hide-list-identifiers t]
2093 ["Banner" gnus-article-strip-banner t]
2094 ["Boring headers" gnus-article-hide-boring-headers t])
2096 ["All" gnus-article-highlight t]
2097 ["Headers" gnus-article-highlight-headers t]
2098 ["Signature" gnus-article-highlight-signature t]
2099 ["Citation" gnus-article-highlight-citation t])
2101 ["Words" gnus-article-decode-mime-words t]
2102 ["Charset" gnus-article-decode-charset t]
2103 ["QP" gnus-article-de-quoted-unreadable t]
2104 ["Base64" gnus-article-de-base64-unreadable t]
2105 ["View MIME buttons" gnus-summary-display-buttonized t]
2106 ["View all" gnus-mime-view-all-parts t]
2107 ["Verify and Decrypt" gnus-summary-force-verify-and-decrypt t]
2108 ["Encrypt body" gnus-article-encrypt-body
2109 :active (not (gnus-group-read-only-p))
2110 ,@(if (featurep 'xemacs) nil
2111 '(:help "Encrypt the message body on disk"))]
2112 ["Extract all parts" gnus-summary-save-parts t]
2114 ["Repair multipart" gnus-summary-repair-multipart t]
2115 ["Pipe part" gnus-article-pipe-part t]
2116 ["Inline part" gnus-article-inline-part t]
2117 ["Encrypt body" gnus-article-encrypt-body
2118 :active (not (gnus-group-read-only-p))
2119 ,@(if (featurep 'xemacs) nil
2120 '(:help "Encrypt the message body on disk"))]
2121 ["View part externally" gnus-article-view-part-externally t]
2122 ["View part with charset" gnus-article-view-part-as-charset t]
2123 ["Copy part" gnus-article-copy-part t]
2124 ["Save part" gnus-article-save-part t]
2125 ["View part" gnus-article-view-part t]))
2127 ["Local" gnus-article-date-local t]
2128 ["ISO8601" gnus-article-date-iso8601 t]
2129 ["UT" gnus-article-date-ut t]
2130 ["Original" gnus-article-date-original t]
2131 ["Lapsed" gnus-article-date-lapsed t]
2132 ["User-defined" gnus-article-date-user t])
2134 ["Remove images" gnus-article-remove-images t]
2135 ["Toggle smiley" gnus-treat-smiley t]
2136 ["Show X-Face" gnus-article-display-x-face t]
2137 ["Show picons in From" gnus-treat-from-picon t]
2138 ["Show picons in mail headers" gnus-treat-mail-picon t]
2139 ["Show picons in news headers" gnus-treat-newsgroups-picon t]
2140 ("View as different encoding"
2141 ,@(gnus-summary-menu-split
2144 ;; Since easymenu under Emacs doesn't allow
2145 ;; lambda forms for menu commands, we should
2146 ;; provide intern'ed function symbols.
2147 (let ((command (intern (format "\
2148 gnus-summary-show-article-from-menu-as-charset-%s" cs))))
2152 (let ((gnus-summary-show-article-charset-alist
2154 (gnus-summary-show-article 1))))
2155 `[,(symbol-name cs) ,command t]))
2156 (sort (if (fboundp 'coding-system-list)
2157 (coding-system-list)
2158 (mapcar 'car mm-mime-mule-charset-alist))
2162 ["Leading" gnus-article-strip-leading-blank-lines t]
2163 ["Multiple" gnus-article-strip-multiple-blank-lines t]
2164 ["Trailing" gnus-article-remove-trailing-blank-lines t]
2165 ["All of the above" gnus-article-strip-blank-lines t]
2166 ["All" gnus-article-strip-all-blank-lines t]
2167 ["Leading space" gnus-article-strip-leading-space t]
2168 ["Trailing space" gnus-article-strip-trailing-space t]
2169 ["Leading space in headers"
2170 gnus-article-remove-leading-whitespace t])
2171 ["Overstrike" gnus-article-treat-overstrike t]
2172 ["Dumb quotes" gnus-article-treat-dumbquotes t]
2173 ["Emphasis" gnus-article-emphasize t]
2174 ["Word wrap" gnus-article-fill-cited-article t]
2175 ["Fill long lines" gnus-article-fill-long-lines t]
2176 ["Capitalize sentences" gnus-article-capitalize-sentences t]
2177 ["CR" gnus-article-remove-cr t]
2178 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
2179 ["Base64" gnus-article-de-base64-unreadable t]
2180 ["Rot 13" gnus-summary-caesar-message
2181 ,@(if (featurep 'xemacs) '(t)
2182 '(:help "\"Caesar rotate\" article by 13"))]
2183 ["Morse decode" gnus-summary-morse-message t]
2184 ["Unix pipe..." gnus-summary-pipe-message t]
2185 ["Add buttons" gnus-article-add-buttons t]
2186 ["Add buttons to head" gnus-article-add-buttons-to-head t]
2187 ["Stop page breaking" gnus-summary-stop-page-breaking t]
2188 ["Verbose header" gnus-summary-verbose-headers t]
2189 ["Toggle header" gnus-summary-toggle-header t]
2190 ["Unfold headers" gnus-article-treat-unfold-headers t]
2191 ["Fold newsgroups" gnus-article-treat-fold-newsgroups t]
2192 ["Html" gnus-article-wash-html t]
2193 ["URLs" gnus-article-unsplit-urls t]
2194 ["Verify X-PGP-Sig" gnus-article-verify-x-pgp-sig t]
2195 ["HZ" gnus-article-decode-HZ t]
2196 ("(Outlook) Deuglify"
2197 ["Unwrap lines" gnus-article-outlook-unwrap-lines t]
2198 ["Repair attribution" gnus-article-outlook-repair-attribution t]
2199 ["Rearrange citation" gnus-article-outlook-rearrange-citation t]
2200 ["Full (Outlook) deuglify"
2201 gnus-article-outlook-deuglify-article t])
2204 ["Save in default format" gnus-summary-save-article
2205 ,@(if (featurep 'xemacs) '(t)
2206 '(:help "Save article using default method"))]
2207 ["Save in file" gnus-summary-save-article-file
2208 ,@(if (featurep 'xemacs) '(t)
2209 '(:help "Save article in file"))]
2210 ["Save in Unix mail format" gnus-summary-save-article-mail t]
2211 ["Save in MH folder" gnus-summary-save-article-folder t]
2212 ["Save in VM folder" gnus-summary-save-article-vm t]
2213 ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
2214 ["Save body in file" gnus-summary-save-article-body-file t]
2215 ["Pipe through a filter" gnus-summary-pipe-output t]
2216 ["Add to SOUP packet" gnus-soup-add-article t]
2217 ["Print with Muttprint" gnus-summary-muttprint t]
2218 ["Print" gnus-summary-print-article t])
2220 ["Respool article..." gnus-summary-respool-article t]
2221 ["Move article..." gnus-summary-move-article
2222 (gnus-check-backend-function
2223 'request-move-article gnus-newsgroup-name)]
2224 ["Copy article..." gnus-summary-copy-article t]
2225 ["Crosspost article..." gnus-summary-crosspost-article
2226 (gnus-check-backend-function
2227 'request-replace-article gnus-newsgroup-name)]
2228 ["Import file..." gnus-summary-import-article
2229 (gnus-check-backend-function
2230 'request-accept-article gnus-newsgroup-name)]
2231 ["Create article..." gnus-summary-create-article
2232 (gnus-check-backend-function
2233 'request-accept-article gnus-newsgroup-name)]
2234 ["Check if posted" gnus-summary-article-posted-p t]
2235 ["Edit article" gnus-summary-edit-article
2236 (not (gnus-group-read-only-p))]
2237 ["Delete article" gnus-summary-delete-article
2238 (gnus-check-backend-function
2239 'request-expire-articles gnus-newsgroup-name)]
2240 ["Query respool" gnus-summary-respool-query t]
2241 ["Trace respool" gnus-summary-respool-trace t]
2242 ["Delete expirable articles" gnus-summary-expire-articles-now
2243 (gnus-check-backend-function
2244 'request-expire-articles gnus-newsgroup-name)])
2246 ["Uudecode" gnus-uu-decode-uu
2247 ,@(if (featurep 'xemacs) '(t)
2248 '(:help "Decode uuencoded article(s)"))]
2249 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
2250 ["Unshar" gnus-uu-decode-unshar t]
2251 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
2252 ["Save" gnus-uu-decode-save t]
2253 ["Binhex" gnus-uu-decode-binhex t]
2254 ["Postscript" gnus-uu-decode-postscript t]
2255 ["All MIME parts" gnus-summary-save-parts t])
2257 ["Enter article" gnus-cache-enter-article t]
2258 ["Remove article" gnus-cache-remove-article t])
2259 ["Translate" gnus-article-babel t]
2260 ["Select article buffer" gnus-summary-select-article-buffer t]
2261 ["Enter digest buffer" gnus-summary-enter-digest-group t]
2262 ["Isearch article..." gnus-summary-isearch-article t]
2263 ["Beginning of the article" gnus-summary-beginning-of-article t]
2264 ["End of the article" gnus-summary-end-of-article t]
2265 ["Fetch parent of article" gnus-summary-refer-parent-article t]
2266 ["Fetch referenced articles" gnus-summary-refer-references t]
2267 ["Fetch current thread" gnus-summary-refer-thread t]
2268 ["Fetch article with id..." gnus-summary-refer-article t]
2269 ["Setup Mailing List Params" gnus-mailing-list-insinuate t]
2270 ["Redisplay" gnus-summary-show-article t]
2271 ["Raw article" gnus-summary-show-raw-article :keys "C-u g"])))
2273 gnus-summary-article-menu gnus-summary-mode-map ""
2274 (cons "Article" innards))
2276 (if (not (keymapp gnus-summary-article-menu))
2278 gnus-article-commands-menu gnus-article-mode-map ""
2279 (cons "Commands" innards))
2280 ;; in Emacs, don't share menu.
2281 (setq gnus-article-commands-menu
2282 (copy-keymap gnus-summary-article-menu))
2283 (define-key gnus-article-mode-map [menu-bar commands]
2284 (cons "Commands" gnus-article-commands-menu))))
2287 gnus-summary-thread-menu gnus-summary-mode-map ""
2289 ["Find all messages in thread" gnus-summary-refer-thread t]
2290 ["Toggle threading" gnus-summary-toggle-threads t]
2291 ["Hide threads" gnus-summary-hide-all-threads t]
2292 ["Show threads" gnus-summary-show-all-threads t]
2293 ["Hide thread" gnus-summary-hide-thread t]
2294 ["Show thread" gnus-summary-show-thread t]
2295 ["Go to next thread" gnus-summary-next-thread t]
2296 ["Go to previous thread" gnus-summary-prev-thread t]
2297 ["Go down thread" gnus-summary-down-thread t]
2298 ["Go up thread" gnus-summary-up-thread t]
2299 ["Top of thread" gnus-summary-top-thread t]
2300 ["Mark thread as read" gnus-summary-kill-thread t]
2301 ["Lower thread score" gnus-summary-lower-thread t]
2302 ["Raise thread score" gnus-summary-raise-thread t]
2303 ["Rethread current" gnus-summary-rethread-current t]))
2306 gnus-summary-post-menu gnus-summary-mode-map ""
2308 ["Send a message (mail or news)" gnus-summary-post-news
2309 ,@(if (featurep 'xemacs) '(t)
2310 '(:help "Post an article"))]
2311 ["Followup" gnus-summary-followup
2312 ,@(if (featurep 'xemacs) '(t)
2313 '(:help "Post followup to this article"))]
2314 ["Followup and yank" gnus-summary-followup-with-original
2315 ,@(if (featurep 'xemacs) '(t)
2316 '(:help "Post followup to this article, quoting its contents"))]
2317 ["Supersede article" gnus-summary-supersede-article t]
2318 ["Cancel article" gnus-summary-cancel-article
2319 ,@(if (featurep 'xemacs) '(t)
2320 '(:help "Cancel an article you posted"))]
2321 ["Reply" gnus-summary-reply t]
2322 ["Reply and yank" gnus-summary-reply-with-original t]
2323 ["Wide reply" gnus-summary-wide-reply t]
2324 ["Wide reply and yank" gnus-summary-wide-reply-with-original
2325 ,@(if (featurep 'xemacs) '(t)
2326 '(:help "Mail a reply, quoting this article"))]
2327 ["Very wide reply" gnus-summary-very-wide-reply t]
2328 ["Very wide reply and yank" gnus-summary-very-wide-reply-with-original
2329 ,@(if (featurep 'xemacs) '(t)
2330 '(:help "Mail a very wide reply, quoting this article"))]
2331 ["Mail forward" gnus-summary-mail-forward t]
2332 ["Post forward" gnus-summary-post-forward t]
2333 ["Digest and mail" gnus-uu-digest-mail-forward t]
2334 ["Digest and post" gnus-uu-digest-post-forward t]
2335 ["Resend message" gnus-summary-resend-message t]
2336 ["Resend message edit" gnus-summary-resend-message-edit t]
2337 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
2338 ["Send a mail" gnus-summary-mail-other-window t]
2339 ["Create a local message" gnus-summary-news-other-window t]
2340 ["Uuencode and post" gnus-uu-post-news
2341 ,@(if (featurep 'xemacs) '(t)
2342 '(:help "Post a uuencoded article"))]
2343 ["Followup via news" gnus-summary-followup-to-mail t]
2344 ["Followup via news and yank"
2345 gnus-summary-followup-to-mail-with-original t]
2347 ;;["Send" gnus-summary-send-draft t]
2348 ;;["Send bounced" gnus-resend-bounced-mail t])
2352 ((not (keymapp gnus-summary-post-menu))
2353 (setq gnus-article-post-menu gnus-summary-post-menu))
2354 ((not gnus-article-post-menu)
2355 ;; Don't share post menu.
2356 (setq gnus-article-post-menu
2357 (copy-keymap gnus-summary-post-menu))))
2358 (define-key gnus-article-mode-map [menu-bar post]
2359 (cons "Post" gnus-article-post-menu))
2362 gnus-summary-misc-menu gnus-summary-mode-map ""
2365 ["Mark as read" gnus-summary-mark-as-read-forward t]
2366 ["Mark same subject and select"
2367 gnus-summary-kill-same-subject-and-select t]
2368 ["Mark same subject" gnus-summary-kill-same-subject t]
2369 ["Catchup" gnus-summary-catchup
2370 ,@(if (featurep 'xemacs) '(t)
2371 '(:help "Mark unread articles in this group as read"))]
2372 ["Catchup all" gnus-summary-catchup-all t]
2373 ["Catchup to here" gnus-summary-catchup-to-here t]
2374 ["Catchup from here" gnus-summary-catchup-from-here t]
2375 ["Catchup region" gnus-summary-mark-region-as-read
2376 (gnus-mark-active-p)]
2377 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
2379 ["Tick" gnus-summary-tick-article-forward t]
2380 ["Mark as dormant" gnus-summary-mark-as-dormant t]
2381 ["Remove marks" gnus-summary-clear-mark-forward t]
2382 ["Set expirable mark" gnus-summary-mark-as-expirable t]
2383 ["Set bookmark" gnus-summary-set-bookmark t]
2384 ["Remove bookmark" gnus-summary-remove-bookmark t])
2386 ["Marks..." gnus-summary-limit-to-marks t]
2387 ["Subject..." gnus-summary-limit-to-subject t]
2388 ["Author..." gnus-summary-limit-to-author t]
2389 ["Age..." gnus-summary-limit-to-age t]
2390 ["Extra..." gnus-summary-limit-to-extra t]
2391 ["Score..." gnus-summary-limit-to-score t]
2392 ["Display Predicate" gnus-summary-limit-to-display-predicate t]
2393 ["Unread" gnus-summary-limit-to-unread t]
2394 ["Unseen" gnus-summary-limit-to-unseen t]
2395 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
2396 ["Next articles" gnus-summary-limit-to-articles t]
2397 ["Pop limit" gnus-summary-pop-limit t]
2398 ["Show dormant" gnus-summary-limit-include-dormant t]
2399 ["Hide childless dormant"
2400 gnus-summary-limit-exclude-childless-dormant t]
2401 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
2402 ["Hide marked" gnus-summary-limit-exclude-marks t]
2403 ["Show expunged" gnus-summary-limit-include-expunged t])
2405 ["Set mark" gnus-summary-mark-as-processable t]
2406 ["Remove mark" gnus-summary-unmark-as-processable t]
2407 ["Remove all marks" gnus-summary-unmark-all-processable t]
2408 ["Mark above" gnus-uu-mark-over t]
2409 ["Mark series" gnus-uu-mark-series t]
2410 ["Mark region" gnus-uu-mark-region (gnus-mark-active-p)]
2411 ["Unmark region" gnus-uu-unmark-region (gnus-mark-active-p)]
2412 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
2413 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
2414 ["Mark all" gnus-uu-mark-all t]
2415 ["Mark buffer" gnus-uu-mark-buffer t]
2416 ["Mark sparse" gnus-uu-mark-sparse t]
2417 ["Mark thread" gnus-uu-mark-thread t]
2418 ["Unmark thread" gnus-uu-unmark-thread t]
2419 ("Process Mark Sets"
2420 ["Kill" gnus-summary-kill-process-mark t]
2421 ["Yank" gnus-summary-yank-process-mark
2422 gnus-newsgroup-process-stack]
2423 ["Save" gnus-summary-save-process-mark t]
2424 ["Run command on marked..." gnus-summary-universal-argument t]))
2426 ["Page forward" gnus-summary-next-page
2427 ,@(if (featurep 'xemacs) '(t)
2428 '(:help "Show next page of article"))]
2429 ["Page backward" gnus-summary-prev-page
2430 ,@(if (featurep 'xemacs) '(t)
2431 '(:help "Show previous page of article"))]
2432 ["Line forward" gnus-summary-scroll-up t])
2434 ["Next unread article" gnus-summary-next-unread-article t]
2435 ["Previous unread article" gnus-summary-prev-unread-article t]
2436 ["Next article" gnus-summary-next-article t]
2437 ["Previous article" gnus-summary-prev-article t]
2438 ["Next unread subject" gnus-summary-next-unread-subject t]
2439 ["Previous unread subject" gnus-summary-prev-unread-subject t]
2440 ["Next article same subject" gnus-summary-next-same-subject t]
2441 ["Previous article same subject" gnus-summary-prev-same-subject t]
2442 ["First unread article" gnus-summary-first-unread-article t]
2443 ["Best unread article" gnus-summary-best-unread-article t]
2444 ["Go to subject number..." gnus-summary-goto-subject t]
2445 ["Go to article number..." gnus-summary-goto-article t]
2446 ["Go to the last article" gnus-summary-goto-last-article t]
2447 ["Pop article off history" gnus-summary-pop-article t])
2449 ["Sort by number" gnus-summary-sort-by-number t]
2450 ["Sort by author" gnus-summary-sort-by-author t]
2451 ["Sort by subject" gnus-summary-sort-by-subject t]
2452 ["Sort by date" gnus-summary-sort-by-date t]
2453 ["Sort by score" gnus-summary-sort-by-score t]
2454 ["Sort by lines" gnus-summary-sort-by-lines t]
2455 ["Sort by characters" gnus-summary-sort-by-chars t]
2456 ["Randomize" gnus-summary-sort-by-random t]
2457 ["Original sort" gnus-summary-sort-by-original t])
2459 ["Fetch group FAQ" gnus-summary-fetch-faq t]
2460 ["Describe group" gnus-summary-describe-group t]
2461 ["Fetch charter" gnus-group-fetch-charter
2462 ,@(if (featurep 'xemacs) nil
2463 '(:help "Display the charter of the current group"))]
2464 ["Fetch control message" gnus-group-fetch-control
2465 ,@(if (featurep 'xemacs) nil
2466 '(:help "Display the archived control message for the current group"))]
2467 ["Read manual" gnus-info-find-node t])
2469 ["Pick and read" gnus-pick-mode t]
2470 ["Binary" gnus-binary-mode t])
2472 ["Regenerate" gnus-summary-prepare t]
2473 ["Insert cached articles" gnus-summary-insert-cached-articles t]
2474 ["Insert dormant articles" gnus-summary-insert-dormant-articles t]
2475 ["Toggle threading" gnus-summary-toggle-threads t])
2476 ["See old articles" gnus-summary-insert-old-articles t]
2477 ["See new articles" gnus-summary-insert-new-articles t]
2478 ["Filter articles..." gnus-summary-execute-command t]
2479 ["Run command on articles..." gnus-summary-universal-argument t]
2480 ["Search articles forward..." gnus-summary-search-article-forward t]
2481 ["Search articles backward..." gnus-summary-search-article-backward t]
2482 ["Toggle line truncation" gnus-summary-toggle-truncation t]
2483 ["Expand window" gnus-summary-expand-window t]
2484 ["Expire expirable articles" gnus-summary-expire-articles
2485 (gnus-check-backend-function
2486 'request-expire-articles gnus-newsgroup-name)]
2487 ["Edit local kill file" gnus-summary-edit-local-kill t]
2488 ["Edit main kill file" gnus-summary-edit-global-kill t]
2489 ["Edit group parameters" gnus-summary-edit-parameters t]
2490 ["Customize group parameters" gnus-summary-customize-parameters t]
2491 ["Send a bug report" gnus-bug t]
2493 ["Catchup and exit" gnus-summary-catchup-and-exit
2494 ,@(if (featurep 'xemacs) '(t)
2495 '(:help "Mark unread articles in this group as read, then exit"))]
2496 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
2497 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
2498 ["Exit group" gnus-summary-exit
2499 ,@(if (featurep 'xemacs) '(t)
2500 '(:help "Exit current group, return to group selection mode"))]
2501 ["Exit group without updating" gnus-summary-exit-no-update t]
2502 ["Exit and goto next group" gnus-summary-next-group t]
2503 ["Exit and goto prev group" gnus-summary-prev-group t]
2504 ["Reselect group" gnus-summary-reselect-current-group t]
2505 ["Rescan group" gnus-summary-rescan-group t]
2506 ["Update dribble" gnus-summary-save-newsrc t])))
2508 (gnus-run-hooks 'gnus-summary-menu-hook)))
2510 (defvar gnus-summary-tool-bar-map nil)
2512 ;; Emacs 21 tool bar. Should be no-op otherwise.
2513 (defun gnus-summary-make-tool-bar ()
2514 (if (and (fboundp 'tool-bar-add-item-from-menu)
2515 (default-value 'tool-bar-mode)
2516 (not gnus-summary-tool-bar-map))
2517 (setq gnus-summary-tool-bar-map
2518 (let ((tool-bar-map (make-sparse-keymap))
2519 (load-path (mm-image-load-path)))
2520 (tool-bar-add-item-from-menu
2521 'gnus-summary-prev-unread "prev-ur" gnus-summary-mode-map)
2522 (tool-bar-add-item-from-menu
2523 'gnus-summary-next-unread "next-ur" gnus-summary-mode-map)
2524 (tool-bar-add-item-from-menu
2525 'gnus-summary-post-news "post" gnus-summary-mode-map)
2526 (tool-bar-add-item-from-menu
2527 'gnus-summary-followup-with-original "fuwo" gnus-summary-mode-map)
2528 (tool-bar-add-item-from-menu
2529 'gnus-summary-followup "followup" gnus-summary-mode-map)
2530 (tool-bar-add-item-from-menu
2531 'gnus-summary-reply-with-original "reply-wo" gnus-summary-mode-map)
2532 (tool-bar-add-item-from-menu
2533 'gnus-summary-reply "reply" gnus-summary-mode-map)
2534 (tool-bar-add-item-from-menu
2535 'gnus-summary-caesar-message "rot13" gnus-summary-mode-map)
2536 (tool-bar-add-item-from-menu
2537 'gnus-uu-decode-uu "uu-decode" gnus-summary-mode-map)
2538 (tool-bar-add-item-from-menu
2539 'gnus-summary-save-article-file "save-aif" gnus-summary-mode-map)
2540 (tool-bar-add-item-from-menu
2541 'gnus-summary-save-article "save-art" gnus-summary-mode-map)
2542 (tool-bar-add-item-from-menu
2543 'gnus-uu-post-news "uu-post" gnus-summary-mode-map)
2544 (tool-bar-add-item-from-menu
2545 'gnus-summary-catchup "catchup" gnus-summary-mode-map)
2546 (tool-bar-add-item-from-menu
2547 'gnus-summary-catchup-and-exit "cu-exit" gnus-summary-mode-map)
2548 (tool-bar-add-item-from-menu
2549 'gnus-summary-exit "exit-summ" gnus-summary-mode-map)
2551 (if gnus-summary-tool-bar-map
2552 (set (make-local-variable 'tool-bar-map) gnus-summary-tool-bar-map)))
2554 (defun gnus-score-set-default (var value)
2555 "A version of set that updates the GNU Emacs menu-bar."
2557 ;; It is the message that forces the active status to be updated.
2560 (defun gnus-make-score-map (type)
2561 "Make a summary score map of type TYPE."
2564 (let ((headers '(("author" "from" string)
2565 ("subject" "subject" string)
2566 ("article body" "body" string)
2567 ("article head" "head" string)
2568 ("xref" "xref" string)
2569 ("extra header" "extra" string)
2570 ("lines" "lines" number)
2571 ("followups to author" "followup" string)))
2572 (types '((number ("less than" <)
2575 (string ("substring" s)
2579 (perms '(("temporary" (current-time-string))
2587 (if (eq type 'lower)
2592 (setq header (car headers))
2598 (let ((ts (cdr (assoc (nth 2 header) types)))
2614 'gnus-summary-score-entry
2616 (if (or (string= (nth 1 header)
2618 (string= (nth 1 header)
2621 (list 'gnus-summary-header
2623 (list 'quote (nth 1 (car ts)))
2624 (list 'gnus-score-delta-default
2631 (list (nreverse outp))))
2634 (list (nreverse outt))))
2636 (setq headers (cdr headers)))
2637 (list (nreverse outh))))))))
2641 (defun gnus-summary-mode (&optional group)
2642 "Major mode for reading articles.
2644 All normal editing commands are switched off.
2645 \\<gnus-summary-mode-map>
2646 Each line in this buffer represents one article. To read an
2647 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
2648 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
2651 You can also post articles and send mail from this buffer. To
2652 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
2653 of an article, type `\\[gnus-summary-reply]'.
2655 There are approx. one gazillion commands you can execute in this
2656 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
2658 The following commands are available:
2660 \\{gnus-summary-mode-map}"
2662 (kill-all-local-variables)
2663 (when (gnus-visual-p 'summary-menu 'menu)
2664 (gnus-summary-make-menu-bar)
2665 (gnus-summary-make-tool-bar))
2666 (gnus-summary-make-local-variables)
2667 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
2668 (gnus-summary-make-local-variables))
2669 (gnus-make-thread-indent-array)
2670 (gnus-simplify-mode-line)
2671 (setq major-mode 'gnus-summary-mode)
2672 (setq mode-name "Summary")
2673 (make-local-variable 'minor-mode-alist)
2674 (use-local-map gnus-summary-mode-map)
2675 (buffer-disable-undo)
2676 (setq buffer-read-only t) ;Disable modification
2677 (setq truncate-lines t)
2678 (setq selective-display t)
2679 (setq selective-display-ellipses t) ;Display `...'
2680 (gnus-summary-set-display-table)
2681 (gnus-set-default-directory)
2682 (setq gnus-newsgroup-name group)
2683 (make-local-variable 'gnus-summary-line-format)
2684 (make-local-variable 'gnus-summary-line-format-spec)
2685 (make-local-variable 'gnus-summary-dummy-line-format)
2686 (make-local-variable 'gnus-summary-dummy-line-format-spec)
2687 (make-local-variable 'gnus-summary-mark-positions)
2688 (gnus-make-local-hook 'pre-command-hook)
2689 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
2690 (gnus-run-hooks 'gnus-summary-mode-hook)
2691 (turn-on-gnus-mailing-list-mode)
2692 (mm-enable-multibyte)
2693 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
2694 (gnus-update-summary-mark-positions))
2696 (defun gnus-summary-make-local-variables ()
2697 "Make all the local summary buffer variables."
2699 (dolist (local gnus-summary-local-variables)
2702 (if (eq (cdr local) 'global)
2703 ;; Copy the global value of the variable.
2704 (setq global (symbol-value (car local)))
2705 ;; Use the value from the list.
2706 (setq global (eval (cdr local))))
2707 (set (make-local-variable (car local)) global))
2708 ;; Simple nil-valued local variable.
2709 (set (make-local-variable local) nil)))))
2711 (defun gnus-summary-clear-local-variables ()
2712 (let ((locals gnus-summary-local-variables))
2714 (if (consp (car locals))
2715 (and (vectorp (caar locals))
2716 (set (caar locals) nil))
2717 (and (vectorp (car locals))
2718 (set (car locals) nil)))
2719 (setq locals (cdr locals)))))
2721 ;; Summary data functions.
2723 (defmacro gnus-data-number (data)
2726 (defmacro gnus-data-set-number (data number)
2727 `(setcar ,data ,number))
2729 (defmacro gnus-data-mark (data)
2732 (defmacro gnus-data-set-mark (data mark)
2733 `(setcar (nthcdr 1 ,data) ,mark))
2735 (defmacro gnus-data-pos (data)
2738 (defmacro gnus-data-set-pos (data pos)
2739 `(setcar (nthcdr 2 ,data) ,pos))
2741 (defmacro gnus-data-header (data)
2744 (defmacro gnus-data-set-header (data header)
2745 `(setf (nth 3 ,data) ,header))
2747 (defmacro gnus-data-level (data)
2750 (defmacro gnus-data-unread-p (data)
2751 `(= (nth 1 ,data) gnus-unread-mark))
2753 (defmacro gnus-data-read-p (data)
2754 `(/= (nth 1 ,data) gnus-unread-mark))
2756 (defmacro gnus-data-pseudo-p (data)
2757 `(consp (nth 3 ,data)))
2759 (defmacro gnus-data-find (number)
2760 `(assq ,number gnus-newsgroup-data))
2762 (defmacro gnus-data-find-list (number &optional data)
2763 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
2764 (memq (assq ,number bdata)
2767 (defmacro gnus-data-make (number mark pos header level)
2768 `(list ,number ,mark ,pos ,header ,level))
2770 (defun gnus-data-enter (after-article number mark pos header level offset)
2771 (let ((data (gnus-data-find-list after-article)))
2773 (error "No such article: %d" after-article))
2774 (setcdr data (cons (gnus-data-make number mark pos header level)
2776 (setq gnus-newsgroup-data-reverse nil)
2777 (gnus-data-update-list (cddr data) offset)))
2779 (defun gnus-data-enter-list (after-article list &optional offset)
2781 (let ((data (and after-article (gnus-data-find-list after-article)))
2785 (let ((odata gnus-newsgroup-data))
2786 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
2788 (gnus-data-update-list odata offset)))
2789 ;; Find the last element in the list to be spliced into the main
2792 (setq list (cdr list)))
2795 (setcdr list gnus-newsgroup-data)
2796 (setq gnus-newsgroup-data ilist)
2798 (gnus-data-update-list (cdr list) offset)))
2799 (setcdr list (cdr data))
2802 (gnus-data-update-list (cdr list) offset))))
2803 (setq gnus-newsgroup-data-reverse nil))))
2805 (defun gnus-data-remove (article &optional offset)
2806 (let ((data gnus-newsgroup-data))
2807 (if (= (gnus-data-number (car data)) article)
2809 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2810 gnus-newsgroup-data-reverse nil)
2812 (gnus-data-update-list gnus-newsgroup-data offset)))
2814 (when (= (gnus-data-number (cadr data)) article)
2815 (setcdr data (cddr data))
2817 (gnus-data-update-list (cdr data) offset))
2819 gnus-newsgroup-data-reverse nil))
2820 (setq data (cdr data))))))
2822 (defmacro gnus-data-list (backward)
2824 (or gnus-newsgroup-data-reverse
2825 (setq gnus-newsgroup-data-reverse
2826 (reverse gnus-newsgroup-data)))
2827 gnus-newsgroup-data))
2829 (defun gnus-data-update-list (data offset)
2830 "Add OFFSET to the POS of all data entries in DATA."
2831 (setq gnus-newsgroup-data-reverse nil)
2833 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2834 (setq data (cdr data))))
2836 (defun gnus-summary-article-pseudo-p (article)
2837 "Say whether this article is a pseudo article or not."
2838 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2840 (defmacro gnus-summary-article-sparse-p (article)
2841 "Say whether this article is a sparse article or not."
2842 `(memq ,article gnus-newsgroup-sparse))
2844 (defmacro gnus-summary-article-ancient-p (article)
2845 "Say whether this article is a sparse article or not."
2846 `(memq ,article gnus-newsgroup-ancient))
2848 (defun gnus-article-parent-p (number)
2849 "Say whether this article is a parent or not."
2850 (let ((data (gnus-data-find-list number)))
2851 (and (cdr data) ; There has to be an article after...
2852 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2853 (gnus-data-level (nth 1 data))))))
2855 (defun gnus-article-children (number)
2856 "Return a list of all children to NUMBER."
2857 (let* ((data (gnus-data-find-list number))
2858 (level (gnus-data-level (car data)))
2860 (setq data (cdr data))
2862 (= (gnus-data-level (car data)) (1+ level)))
2863 (push (gnus-data-number (car data)) children)
2864 (setq data (cdr data)))
2867 (defmacro gnus-summary-skip-intangible ()
2868 "If the current article is intangible, then jump to a different article."
2869 '(let ((to (get-text-property (point) 'gnus-intangible)))
2870 (and to (gnus-summary-goto-subject to))))
2872 (defmacro gnus-summary-article-intangible-p ()
2873 "Say whether this article is intangible or not."
2874 '(get-text-property (point) 'gnus-intangible))
2876 (defun gnus-article-read-p (article)
2877 "Say whether ARTICLE is read or not."
2878 (not (or (memq article gnus-newsgroup-marked)
2879 (memq article gnus-newsgroup-spam-marked)
2880 (memq article gnus-newsgroup-unreads)
2881 (memq article gnus-newsgroup-unselected)
2882 (memq article gnus-newsgroup-dormant))))
2884 ;; Some summary mode macros.
2886 (defmacro gnus-summary-article-number ()
2887 "The article number of the article on the current line.
2888 If there isn't an article number here, then we return the current
2891 (gnus-summary-skip-intangible)
2892 (or (get-text-property (point) 'gnus-number)
2893 (gnus-summary-last-subject))))
2895 (defmacro gnus-summary-article-header (&optional number)
2896 "Return the header of article NUMBER."
2897 `(gnus-data-header (gnus-data-find
2898 ,(or number '(gnus-summary-article-number)))))
2900 (defmacro gnus-summary-thread-level (&optional number)
2901 "Return the level of thread that starts with article NUMBER."
2902 `(if (and (eq gnus-summary-make-false-root 'dummy)
2903 (get-text-property (point) 'gnus-intangible))
2905 (gnus-data-level (gnus-data-find
2906 ,(or number '(gnus-summary-article-number))))))
2908 (defmacro gnus-summary-article-mark (&optional number)
2909 "Return the mark of article NUMBER."
2910 `(gnus-data-mark (gnus-data-find
2911 ,(or number '(gnus-summary-article-number)))))
2913 (defmacro gnus-summary-article-pos (&optional number)
2914 "Return the position of the line of article NUMBER."
2915 `(gnus-data-pos (gnus-data-find
2916 ,(or number '(gnus-summary-article-number)))))
2918 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2919 (defmacro gnus-summary-article-subject (&optional number)
2920 "Return current subject string or nil if nothing."
2923 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2924 '(gnus-data-header (assq (gnus-summary-article-number)
2925 gnus-newsgroup-data)))))
2928 (mail-header-subject headers))))
2930 (defmacro gnus-summary-article-score (&optional number)
2931 "Return current article score."
2932 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2933 gnus-newsgroup-scored))
2934 gnus-summary-default-score 0))
2936 (defun gnus-summary-article-children (&optional number)
2937 "Return a list of article numbers that are children of article NUMBER."
2938 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2939 (level (gnus-data-level (car data)))
2941 (while (and (setq data (cdr data))
2942 (> (setq l (gnus-data-level (car data))) level))
2943 (and (= (1+ level) l)
2944 (push (gnus-data-number (car data))
2946 (nreverse children)))
2948 (defun gnus-summary-article-parent (&optional number)
2949 "Return the article number of the parent of article NUMBER."
2950 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2951 (gnus-data-list t)))
2952 (level (gnus-data-level (car data))))
2954 () ; This is a root.
2955 ;; We search until we find an article with a level less than
2956 ;; this one. That function has to be the parent.
2957 (while (and (setq data (cdr data))
2958 (not (< (gnus-data-level (car data)) level))))
2959 (and data (gnus-data-number (car data))))))
2961 (defun gnus-unread-mark-p (mark)
2962 "Say whether MARK is the unread mark."
2963 (= mark gnus-unread-mark))
2965 (defun gnus-read-mark-p (mark)
2966 "Say whether MARK is one of the marks that mark as read.
2967 This is all marks except unread, ticked, dormant, and expirable."
2968 (not (or (= mark gnus-unread-mark)
2969 (= mark gnus-ticked-mark)
2970 (= mark gnus-spam-mark)
2971 (= mark gnus-dormant-mark)
2972 (= mark gnus-expirable-mark))))
2974 (defmacro gnus-article-mark (number)
2975 "Return the MARK of article NUMBER.
2976 This macro should only be used when computing the mark the \"first\"
2977 time; i.e., when generating the summary lines. After that,
2978 `gnus-summary-article-mark' should be used to examine the
2981 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
2982 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
2983 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2984 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2985 ((memq ,number gnus-newsgroup-spam-marked) gnus-spam-mark)
2986 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2987 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2988 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2989 gnus-ancient-mark))))
2991 ;; Saving hidden threads.
2993 (defmacro gnus-save-hidden-threads (&rest forms)
2994 "Save hidden threads, eval FORMS, and restore the hidden threads."
2995 (let ((config (make-symbol "config")))
2996 `(let ((,config (gnus-hidden-threads-configuration)))
3000 (gnus-restore-hidden-threads-configuration ,config)))))
3001 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
3002 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
3004 (defun gnus-data-compute-positions ()
3005 "Compute the positions of all articles."
3006 (setq gnus-newsgroup-data-reverse nil)
3007 (let ((data gnus-newsgroup-data))
3009 (gnus-save-hidden-threads
3010 (gnus-summary-show-all-threads)
3011 (goto-char (point-min))
3013 (while (get-text-property (point) 'gnus-intangible)
3015 (gnus-data-set-pos (car data) (+ (point) 3))
3016 (setq data (cdr data))
3017 (forward-line 1))))))
3019 (defun gnus-hidden-threads-configuration ()
3020 "Return the current hidden threads configuration."
3023 (goto-char (point-min))
3024 (while (search-forward "\r" nil t)
3025 (push (1- (point)) config))
3028 (defun gnus-restore-hidden-threads-configuration (config)
3029 "Restore hidden threads configuration from CONFIG."
3031 (let (point buffer-read-only)
3032 (while (setq point (pop config))
3033 (when (and (< point (point-max))
3035 (eq (char-after) ?\n))
3036 (subst-char-in-region point (1+ point) ?\n ?\r))))))
3038 ;; Various summary mode internalish functions.
3040 (defun gnus-mouse-pick-article (e)
3043 (gnus-summary-next-page nil t))
3045 (defun gnus-summary-set-display-table ()
3046 "Change the display table.
3047 Odd characters have a tendency to mess
3048 up nicely formatted displays - we make all possible glyphs
3049 display only a single character."
3051 ;; We start from the standard display table, if any.
3052 (let ((table (or (copy-sequence standard-display-table)
3053 (make-display-table)))
3055 ;; Nix out all the control chars...
3056 (while (>= (setq i (1- i)) 0)
3057 (aset table i [??]))
3058 ;; ... but not newline and cr, of course. (cr is necessary for the
3059 ;; selective display).
3060 (aset table ?\n nil)
3061 (aset table ?\r nil)
3062 ;; We keep TAB as well.
3063 (aset table ?\t nil)
3064 ;; We nix out any glyphs over 126 that are not set already.
3066 (while (>= (setq i (1- i)) 127)
3067 ;; Only modify if the entry is nil.
3068 (unless (aref table i)
3069 (aset table i [??]))))
3070 (setq buffer-display-table table)))
3072 (defun gnus-summary-set-article-display-arrow (pos)
3073 "Update the overlay arrow to point to line at position POS."
3074 (when (and gnus-summary-display-arrow
3075 (boundp 'overlay-arrow-position)
3076 (boundp 'overlay-arrow-string))
3080 (unless overlay-arrow-position
3081 (setq overlay-arrow-position (make-marker)))
3082 (setq overlay-arrow-string "=>"
3083 overlay-arrow-position (set-marker overlay-arrow-position
3085 (current-buffer))))))
3087 (defun gnus-summary-setup-buffer (group)
3088 "Initialize summary buffer."
3089 (let ((buffer (gnus-summary-buffer-name group))
3090 (dead-name (concat "*Dead Summary "
3091 (gnus-group-decoded-name group) "*")))
3092 ;; If a dead summary buffer exists, we kill it.
3093 (when (gnus-buffer-live-p dead-name)
3094 (gnus-kill-buffer dead-name))
3095 (if (get-buffer buffer)
3098 (setq gnus-summary-buffer (current-buffer))
3099 (not gnus-newsgroup-prepared))
3100 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
3101 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
3102 (gnus-summary-mode group)
3104 (gnus-carpal-setup-buffer 'summary))
3105 (unless gnus-single-article-buffer
3106 (make-local-variable 'gnus-article-buffer)
3107 (make-local-variable 'gnus-article-current)
3108 (make-local-variable 'gnus-original-article-buffer))
3109 (setq gnus-newsgroup-name group)
3110 ;; Set any local variables in the group parameters.
3111 (gnus-summary-set-local-parameters gnus-newsgroup-name)
3114 (defun gnus-set-global-variables ()
3115 "Set the global equivalents of the buffer-local variables.
3116 They are set to the latest values they had. These reflect the summary
3117 buffer that was in action when the last article was fetched."
3118 (when (eq major-mode 'gnus-summary-mode)
3119 (setq gnus-summary-buffer (current-buffer))
3120 (let ((name gnus-newsgroup-name)
3121 (marked gnus-newsgroup-marked)
3122 (spam gnus-newsgroup-spam-marked)
3123 (unread gnus-newsgroup-unreads)
3124 (headers gnus-current-headers)
3125 (data gnus-newsgroup-data)
3126 (summary gnus-summary-buffer)
3127 (article-buffer gnus-article-buffer)
3128 (original gnus-original-article-buffer)
3129 (gac gnus-article-current)
3130 (reffed gnus-reffed-article-number)
3131 (score-file gnus-current-score-file)
3132 (default-charset gnus-newsgroup-charset)
3134 (let ((locals gnus-newsgroup-variables))
3136 (if (consp (car locals))
3137 (push (eval (caar locals)) vlist)
3138 (push (eval (car locals)) vlist))
3139 (setq locals (cdr locals)))
3140 (setq vlist (nreverse vlist)))
3142 (set-buffer gnus-group-buffer)
3143 (setq gnus-newsgroup-name name
3144 gnus-newsgroup-marked marked
3145 gnus-newsgroup-spam-marked spam
3146 gnus-newsgroup-unreads unread
3147 gnus-current-headers headers
3148 gnus-newsgroup-data data
3149 gnus-article-current gac
3150 gnus-summary-buffer summary
3151 gnus-article-buffer article-buffer
3152 gnus-original-article-buffer original
3153 gnus-reffed-article-number reffed
3154 gnus-current-score-file score-file
3155 gnus-newsgroup-charset default-charset)
3156 (let ((locals gnus-newsgroup-variables))
3158 (if (consp (car locals))
3159 (set (caar locals) (pop vlist))
3160 (set (car locals) (pop vlist)))
3161 (setq locals (cdr locals))))
3162 ;; The article buffer also has local variables.
3163 (when (gnus-buffer-live-p gnus-article-buffer)
3164 (set-buffer gnus-article-buffer)
3165 (setq gnus-summary-buffer summary))))))
3167 (defun gnus-summary-article-unread-p (article)
3168 "Say whether ARTICLE is unread or not."
3169 (memq article gnus-newsgroup-unreads))
3171 (defun gnus-summary-first-article-p (&optional article)
3172 "Return whether ARTICLE is the first article in the buffer."
3173 (if (not (setq article (or article (gnus-summary-article-number))))
3175 (eq article (caar gnus-newsgroup-data))))
3177 (defun gnus-summary-last-article-p (&optional article)
3178 "Return whether ARTICLE is the last article in the buffer."
3179 (if (not (setq article (or article (gnus-summary-article-number))))
3180 ;; All non-existent numbers are the last article. :-)
3182 (not (cdr (gnus-data-find-list article)))))
3184 (defun gnus-make-thread-indent-array ()
3186 (unless (and gnus-thread-indent-array
3187 (= gnus-thread-indent-level gnus-thread-indent-array-level))
3188 (setq gnus-thread-indent-array (make-vector 201 "")
3189 gnus-thread-indent-array-level gnus-thread-indent-level)
3191 (aset gnus-thread-indent-array n
3192 (make-string (* n gnus-thread-indent-level) ? ))
3195 (defun gnus-update-summary-mark-positions ()
3196 "Compute where the summary marks are to go."
3198 (when (gnus-buffer-exists-p gnus-summary-buffer)
3199 (set-buffer gnus-summary-buffer))
3200 (let ((gnus-replied-mark 129)
3201 (gnus-score-below-mark 130)
3202 (gnus-score-over-mark 130)
3203 (gnus-undownloaded-mark 131)
3204 (spec gnus-summary-line-format-spec)
3207 (gnus-set-work-buffer)
3208 (let ((gnus-summary-line-format-spec spec)
3209 (gnus-newsgroup-downloadable '(0)))
3210 (gnus-summary-insert-line
3211 [0 "" "" "05 Apr 2001 23:33:09 +0400" "" "" 0 0 "" nil]
3212 0 nil t 128 t nil "" nil 1)
3213 (goto-char (point-min))
3214 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
3215 (- (point) (point-min) 1)))))
3216 (goto-char (point-min))
3217 (push (cons 'replied (and (search-forward "\201" nil t)
3218 (- (point) (point-min) 1)))
3220 (goto-char (point-min))
3221 (push (cons 'score (and (search-forward "\202" nil t)
3222 (- (point) (point-min) 1)))
3224 (goto-char (point-min))
3225 (push (cons 'download
3226 (and (search-forward "\203" nil t)
3227 (- (point) (point-min) 1)))
3229 (setq gnus-summary-mark-positions pos))))
3231 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
3232 "Insert a dummy root in the summary buffer."
3234 (gnus-add-text-properties
3235 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
3236 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
3238 (defun gnus-summary-extract-address-component (from)
3239 (or (car (funcall gnus-extract-address-components from))
3242 (defun gnus-summary-from-or-to-or-newsgroups (header gnus-tmp-from)
3243 (let ((mail-parse-charset gnus-newsgroup-charset)
3244 ; Is it really necessary to do this next part for each summary line?
3245 ; Luckily, doesn't seem to slow things down much.
3246 (mail-parse-ignored-charsets
3247 (save-excursion (set-buffer gnus-summary-buffer)
3248 gnus-newsgroup-ignored-charsets)))
3250 (and gnus-ignored-from-addresses
3251 (string-match gnus-ignored-from-addresses gnus-tmp-from)
3252 (let ((extra-headers (mail-header-extra header))
3256 ((setq to (cdr (assq 'To extra-headers)))
3259 (gnus-summary-extract-address-component
3260 (funcall gnus-decode-encoded-word-function to)))))
3261 ((setq newsgroups (cdr (assq 'Newsgroups extra-headers)))
3262 (concat "=> " newsgroups)))))
3263 (inline (gnus-summary-extract-address-component gnus-tmp-from)))))
3265 (defun gnus-summary-insert-line (gnus-tmp-header
3266 gnus-tmp-level gnus-tmp-current
3267 undownloaded gnus-tmp-unread gnus-tmp-replied
3268 gnus-tmp-expirable gnus-tmp-subject-or-nil
3269 &optional gnus-tmp-dummy gnus-tmp-score
3271 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
3272 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
3273 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
3274 (gnus-tmp-score-char
3275 (if (or (null gnus-summary-default-score)
3276 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3277 gnus-summary-zcore-fuzz))
3279 (if (< gnus-tmp-score gnus-summary-default-score)
3280 gnus-score-below-mark gnus-score-over-mark)))
3281 (gnus-tmp-number (mail-header-number gnus-tmp-header))
3283 (cond (gnus-tmp-process gnus-process-mark)
3284 ((memq gnus-tmp-current gnus-newsgroup-cached)
3286 (gnus-tmp-replied gnus-replied-mark)
3287 ((memq gnus-tmp-current gnus-newsgroup-forwarded)
3288 gnus-forwarded-mark)
3289 ((memq gnus-tmp-current gnus-newsgroup-saved)
3291 ((memq gnus-tmp-number gnus-newsgroup-recent)
3293 ((memq gnus-tmp-number gnus-newsgroup-unseen)
3296 (gnus-tmp-downloaded
3298 gnus-undownloaded-mark)
3299 (gnus-newsgroup-agentized
3300 gnus-downloaded-mark)
3303 (gnus-tmp-from (mail-header-from gnus-tmp-header))
3306 ((string-match "<[^>]+> *$" gnus-tmp-from)
3307 (let ((beg (match-beginning 0)))
3308 (or (and (string-match "^\".+\"" gnus-tmp-from)
3309 (substring gnus-tmp-from 1 (1- (match-end 0))))
3310 (substring gnus-tmp-from 0 beg))))
3311 ((string-match "(.+)" gnus-tmp-from)
3312 (substring gnus-tmp-from
3313 (1+ (match-beginning 0)) (1- (match-end 0))))
3315 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
3316 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
3317 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
3318 (buffer-read-only nil))
3319 (when (string= gnus-tmp-name "")
3320 (setq gnus-tmp-name gnus-tmp-from))
3321 (unless (numberp gnus-tmp-lines)
3322 (setq gnus-tmp-lines -1))
3323 (if (= gnus-tmp-lines -1)
3324 (setq gnus-tmp-lines "?")
3325 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
3326 (gnus-put-text-property
3328 (progn (eval gnus-summary-line-format-spec) (point))
3329 'gnus-number gnus-tmp-number)
3330 (when (gnus-visual-p 'summary-highlight 'highlight)
3332 (gnus-run-hooks 'gnus-summary-update-hook)
3335 (defun gnus-summary-update-line (&optional dont-update)
3336 "Update summary line after change."
3337 (when (and gnus-summary-default-score
3338 (not gnus-summary-inhibit-highlight))
3339 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
3340 (article (gnus-summary-article-number))
3341 (score (gnus-summary-article-score article)))
3343 (if (and gnus-summary-mark-below
3344 (< (gnus-summary-article-score)
3345 gnus-summary-mark-below))
3346 ;; This article has a low score, so we mark it as read.
3347 (when (memq article gnus-newsgroup-unreads)
3348 (gnus-summary-mark-article-as-read gnus-low-score-mark))
3349 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
3350 ;; This article was previously marked as read on account
3351 ;; of a low score, but now it has risen, so we mark it as
3353 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
3354 (gnus-summary-update-mark
3355 (if (or (null gnus-summary-default-score)
3356 (<= (abs (- score gnus-summary-default-score))
3357 gnus-summary-zcore-fuzz))
3359 (if (< score gnus-summary-default-score)
3360 gnus-score-below-mark gnus-score-over-mark))
3362 ;; Do visual highlighting.
3363 (when (gnus-visual-p 'summary-highlight 'highlight)
3364 (gnus-run-hooks 'gnus-summary-update-hook)))))
3366 (defvar gnus-tmp-new-adopts nil)
3368 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
3369 "Return the number of articles in THREAD.
3370 This may be 0 in some cases -- if none of the articles in
3371 the thread are to be displayed."
3373 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
3375 ((not (listp thread))
3377 ((and (consp thread) (cdr thread))
3380 'gnus-summary-number-of-articles-in-thread (cdr thread))))
3383 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
3386 (when (and level (zerop level) gnus-tmp-new-adopts)
3389 'gnus-summary-number-of-articles-in-thread
3390 gnus-tmp-new-adopts))))
3392 (if (> number 1) gnus-not-empty-thread-mark
3393 gnus-empty-thread-mark)
3396 (defsubst gnus-summary-line-message-size (head)
3397 "Return pretty-printed version of message size.
3398 This function is intended to be used in
3399 `gnus-summary-line-format-alist'."
3400 (let ((c (or (mail-header-chars head) -1)))
3401 (cond ((< c 0) "n/a") ; chars not available
3402 ((< c (* 1000 10)) (format "%1.1fk" (/ c 1024.0)))
3403 ((< c (* 1000 100)) (format "%dk" (/ c 1024.0)))
3404 ((< c (* 1000 10000)) (format "%1.1fM" (/ c (* 1024.0 1024))))
3405 (t (format "%dM" (/ c (* 1024.0 1024)))))))
3408 (defun gnus-summary-set-local-parameters (group)
3409 "Go through the local params of GROUP and set all variable specs in that list."
3410 (let ((params (gnus-group-find-parameter group))
3411 (vars '(quit-config)) ; Ignore quit-config.
3414 (setq elem (car params)
3415 params (cdr params))
3416 (and (consp elem) ; Has to be a cons.
3417 (consp (cdr elem)) ; The cdr has to be a list.
3418 (symbolp (car elem)) ; Has to be a symbol in there.
3419 (not (memq (car elem) vars))
3420 (ignore-errors ; So we set it.
3421 (push (car elem) vars)
3422 (make-local-variable (car elem))
3423 (set (car elem) (eval (nth 1 elem))))))))
3425 (defun gnus-summary-read-group (group &optional show-all no-article
3426 kill-buffer no-display backward
3428 "Start reading news in newsgroup GROUP.
3429 If SHOW-ALL is non-nil, already read articles are also listed.
3430 If NO-ARTICLE is non-nil, no article is selected initially.
3431 If NO-DISPLAY, don't generate a summary buffer."
3435 (let ((gnus-auto-select-next nil))
3436 (or (gnus-summary-read-group-1
3437 group show-all no-article
3438 kill-buffer no-display
3441 select-articles nil)))))
3442 (eq gnus-auto-select-next 'quietly))
3443 (set-buffer gnus-group-buffer)
3444 ;; The entry function called above goes to the next
3445 ;; group automatically, so we go two groups back
3446 ;; if we are searching for the previous group.
3448 (gnus-group-prev-unread-group 2))
3449 (if (not (equal group (gnus-group-group-name)))
3450 (setq group (gnus-group-group-name))
3454 (defun gnus-summary-read-group-1 (group show-all no-article
3455 kill-buffer no-display
3456 &optional select-articles)
3457 ;; Killed foreign groups can't be entered.
3458 ;; (when (and (not (gnus-group-native-p group))
3459 ;; (not (gnus-gethash group gnus-newsrc-hashtb)))
3460 ;; (error "Dead non-native groups can't be entered"))
3461 (gnus-message 5 "Retrieving newsgroup: %s..."
3462 (gnus-group-decoded-name group))
3463 (let* ((new-group (gnus-summary-setup-buffer group))
3464 (quit-config (gnus-group-quit-config group))
3465 (did-select (and new-group (gnus-select-newsgroup
3466 group show-all select-articles))))
3468 ;; This summary buffer exists already, so we just select it.
3470 (gnus-set-global-variables)
3472 (gnus-kill-or-deaden-summary kill-buffer))
3473 (gnus-configure-windows 'summary 'force)
3474 (gnus-set-mode-line 'summary)
3475 (gnus-summary-position-point)
3478 ;; We couldn't select this group.
3480 (when (and (eq major-mode 'gnus-summary-mode)
3481 (not (equal (current-buffer) kill-buffer)))
3482 (kill-buffer (current-buffer))
3483 (if (not quit-config)
3485 ;; Update the info -- marks might need to be removed,
3487 (gnus-summary-update-info)
3488 (set-buffer gnus-group-buffer)
3489 (gnus-group-jump-to-group group)
3490 (gnus-group-next-unread-group 1))
3491 (gnus-handle-ephemeral-exit quit-config)))
3492 (let ((grpinfo (gnus-get-info group)))
3493 (if (null (gnus-info-read grpinfo))
3494 (gnus-message 3 "Group %s contains no messages"
3495 (gnus-group-decoded-name group))
3496 (gnus-message 3 "Can't select group")))
3498 ;; The user did a `C-g' while prompting for number of articles,
3499 ;; so we exit this group.
3500 ((eq did-select 'quit)
3501 (and (eq major-mode 'gnus-summary-mode)
3502 (not (equal (current-buffer) kill-buffer))
3503 (kill-buffer (current-buffer)))
3505 (gnus-kill-or-deaden-summary kill-buffer))
3506 (if (not quit-config)
3508 (set-buffer gnus-group-buffer)
3509 (gnus-group-jump-to-group group)
3510 (gnus-group-next-unread-group 1)
3511 (gnus-configure-windows 'group 'force))
3512 (gnus-handle-ephemeral-exit quit-config))
3513 ;; Finally signal the quit.
3515 ;; The group was successfully selected.
3517 (gnus-set-global-variables)
3518 ;; Save the active value in effect when the group was entered.
3519 (setq gnus-newsgroup-active
3521 (gnus-active gnus-newsgroup-name)))
3522 ;; You can change the summary buffer in some way with this hook.
3523 (gnus-run-hooks 'gnus-select-group-hook)
3524 (gnus-update-format-specifications
3525 nil 'summary 'summary-mode 'summary-dummy)
3526 (gnus-update-summary-mark-positions)
3527 ;; Do score processing.
3528 (when gnus-use-scoring
3529 (gnus-possibly-score-headers))
3530 ;; Check whether to fill in the gaps in the threads.
3531 (when gnus-build-sparse-threads
3532 (gnus-build-sparse-threads))
3533 ;; Find the initial limit.
3534 (if gnus-show-threads
3536 (let ((gnus-newsgroup-dormant nil))
3537 (gnus-summary-initial-limit show-all))
3538 (gnus-summary-initial-limit show-all))
3539 ;; When unthreaded, all articles are always shown.
3540 (setq gnus-newsgroup-limit
3542 (lambda (header) (mail-header-number header))
3543 gnus-newsgroup-headers)))
3544 ;; Generate the summary buffer.
3546 (gnus-summary-prepare))
3547 (when gnus-use-trees
3548 (gnus-tree-open group)
3549 (setq gnus-summary-highlight-line-function
3550 'gnus-tree-highlight-article))
3551 ;; If the summary buffer is empty, but there are some low-scored
3552 ;; articles or some excluded dormants, we include these in the
3554 (when (and (zerop (buffer-size))
3556 (cond (gnus-newsgroup-dormant
3557 (gnus-summary-limit-include-dormant))
3558 ((and gnus-newsgroup-scored show-all)
3559 (gnus-summary-limit-include-expunged t))))
3560 ;; Function `gnus-apply-kill-file' must be called in this hook.
3561 (gnus-run-hooks 'gnus-apply-kill-hook)
3562 (if (and (zerop (buffer-size))
3565 ;; This newsgroup is empty.
3566 (gnus-summary-catchup-and-exit nil t)
3567 (gnus-message 6 "No unread news")
3569 (gnus-kill-or-deaden-summary kill-buffer))
3570 ;; Return nil from this function.
3572 ;; Hide conversation thread subtrees. We cannot do this in
3573 ;; gnus-summary-prepare-hook since kill processing may not
3574 ;; work with hidden articles.
3575 (gnus-summary-maybe-hide-threads)
3577 (gnus-kill-or-deaden-summary kill-buffer))
3578 (gnus-summary-auto-select-subject)
3579 ;; Show first unread article if requested.
3580 (if (and (not no-article)
3582 gnus-newsgroup-unreads
3583 gnus-auto-select-first)
3585 (gnus-configure-windows 'summary)
3586 (let ((art (gnus-summary-article-number)))
3587 (unless (and (not gnus-plugged)
3588 (or (memq art gnus-newsgroup-undownloaded)
3589 (memq art gnus-newsgroup-downloadable)))
3590 (gnus-summary-goto-article art))))
3591 ;; Don't select any articles.
3592 (gnus-summary-position-point)
3593 (gnus-configure-windows 'summary 'force)
3594 (gnus-set-mode-line 'summary))
3595 (when (and gnus-auto-center-group
3596 (get-buffer-window gnus-group-buffer t))
3597 ;; Gotta use windows, because recenter does weird stuff if
3598 ;; the current buffer ain't the displayed window.
3599 (let ((owin (selected-window)))
3600 (select-window (get-buffer-window gnus-group-buffer t))
3601 (when (gnus-group-goto-group group)
3603 (select-window owin)))
3604 ;; Mark this buffer as "prepared".
3605 (setq gnus-newsgroup-prepared t)
3606 (gnus-run-hooks 'gnus-summary-prepared-hook)
3607 (unless (gnus-ephemeral-group-p group)
3608 (gnus-group-update-group group))
3611 (defun gnus-summary-auto-select-subject ()
3612 "Select the subject line on initial group entry."
3613 (goto-char (point-min))
3615 ((eq gnus-auto-select-subject 'best)
3616 (gnus-summary-best-unread-subject))
3617 ((eq gnus-auto-select-subject 'unread)
3618 (gnus-summary-first-unread-subject))
3619 ((eq gnus-auto-select-subject 'unseen)
3620 (gnus-summary-first-unseen-subject))
3621 ((eq gnus-auto-select-subject 'unseen-or-unread)
3622 (gnus-summary-first-unseen-or-unread-subject))
3623 ((eq gnus-auto-select-subject 'first)
3626 ((functionp gnus-auto-select-subject)
3627 (funcall gnus-auto-select-subject))))
3629 (defun gnus-summary-prepare ()
3630 "Generate the summary buffer."
3632 (let ((buffer-read-only nil))
3634 (setq gnus-newsgroup-data nil
3635 gnus-newsgroup-data-reverse nil)
3636 (gnus-run-hooks 'gnus-summary-generate-hook)
3637 ;; Generate the buffer, either with threads or without.
3638 (when gnus-newsgroup-headers
3639 (gnus-summary-prepare-threads
3640 (if gnus-show-threads
3641 (gnus-sort-gathered-threads
3642 (funcall gnus-summary-thread-gathering-function
3644 (gnus-cut-threads (gnus-make-threads)))))
3645 ;; Unthreaded display.
3646 (gnus-sort-articles gnus-newsgroup-headers))))
3647 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
3648 ;; Call hooks for modifying summary buffer.
3649 (goto-char (point-min))
3650 (gnus-run-hooks 'gnus-summary-prepare-hook)))
3652 (defsubst gnus-general-simplify-subject (subject)
3653 "Simplify subject by the same rules as `gnus-gather-threads-by-subject'."
3656 ;; Truncate the subject.
3657 (gnus-simplify-subject-functions
3658 (gnus-map-function gnus-simplify-subject-functions subject))
3659 ((numberp gnus-summary-gather-subject-limit)
3660 (setq subject (gnus-simplify-subject-re subject))
3661 (if (> (length subject) gnus-summary-gather-subject-limit)
3662 (substring subject 0 gnus-summary-gather-subject-limit)
3664 ;; Fuzzily simplify it.
3665 ((eq 'fuzzy gnus-summary-gather-subject-limit)
3666 (gnus-simplify-subject-fuzzy subject))
3667 ;; Just remove the leading "Re:".
3669 (gnus-simplify-subject-re subject))))
3671 (if (and gnus-summary-gather-exclude-subject
3672 (string-match gnus-summary-gather-exclude-subject subject))
3673 nil ; This article shouldn't be gathered
3676 (defun gnus-summary-simplify-subject-query ()
3677 "Query where the respool algorithm would put this article."
3679 (gnus-summary-select-article)
3680 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
3682 (defun gnus-gather-threads-by-subject (threads)
3683 "Gather threads by looking at Subject headers."
3684 (if (not gnus-summary-make-false-root)
3686 (let ((hashtb (gnus-make-hashtable 1024))
3689 subject hthread whole-subject)
3691 (setq subject (gnus-general-simplify-subject
3692 (setq whole-subject (mail-header-subject
3695 (if (setq hthread (gnus-gethash subject hashtb))
3697 ;; We enter a dummy root into the thread, if we
3698 ;; haven't done that already.
3699 (unless (stringp (caar hthread))
3700 (setcar hthread (list whole-subject (car hthread))))
3701 ;; We add this new gathered thread to this gathered
3703 (setcdr (car hthread)
3704 (nconc (cdar hthread) (list (car threads))))
3705 ;; Remove it from the list of threads.
3706 (setcdr prev (cdr threads))
3707 (setq threads prev))
3708 ;; Enter this thread into the hash table.
3709 (gnus-sethash subject
3710 (if gnus-summary-make-false-root-always
3712 ;; If you want a dummy root above all
3714 (setcar threads (list whole-subject
3720 (setq threads (cdr threads)))
3723 (defun gnus-gather-threads-by-references (threads)
3724 "Gather threads by looking at References headers."
3725 (let ((idhashtb (gnus-make-hashtable 1024))
3726 (thhashtb (gnus-make-hashtable 1024))
3729 ids references id gthread gid entered ref)
3731 (when (setq references (mail-header-references (caar threads)))
3732 (setq id (mail-header-id (caar threads))
3733 ids (inline (gnus-split-references references))
3735 (while (setq ref (pop ids))
3736 (setq ids (delete ref ids))
3737 (if (not (setq gid (gnus-gethash ref idhashtb)))
3739 (gnus-sethash ref id idhashtb)
3740 (gnus-sethash id threads thhashtb))
3741 (setq gthread (gnus-gethash gid thhashtb))
3743 ;; We enter a dummy root into the thread, if we
3744 ;; haven't done that already.
3745 (unless (stringp (caar gthread))
3746 (setcar gthread (list (mail-header-subject (caar gthread))
3748 ;; We add this new gathered thread to this gathered
3750 (setcdr (car gthread)
3751 (nconc (cdar gthread) (list (car threads)))))
3752 ;; Add it into the thread hash table.
3753 (gnus-sethash id gthread thhashtb)
3755 ;; Remove it from the list of threads.
3756 (setcdr prev (cdr threads))
3757 (setq threads prev))))
3759 (setq threads (cdr threads)))
3762 (defun gnus-sort-gathered-threads (threads)
3763 "Sort subtreads inside each gathered thread by `gnus-sort-gathered-threads-function'."
3764 (let ((result threads))
3766 (when (stringp (caar threads))
3767 (setcdr (car threads)
3768 (sort (cdar threads) gnus-sort-gathered-threads-function)))
3769 (setq threads (cdr threads)))
3772 (defun gnus-thread-loop-p (root thread)
3773 "Say whether ROOT is in THREAD."
3774 (let ((stack (list thread))
3777 (while (setq thread (pop stack))
3778 (setq th (cdr thread))
3780 (not (eq (caar th) root)))
3783 ;; We have found a loop.
3785 (setcdr thread (delq (car th) (cdr thread)))
3786 (if (boundp (setq ref-dep (intern "none"
3787 gnus-newsgroup-dependencies)))
3788 (setcdr (symbol-value ref-dep)
3789 (nconc (cdr (symbol-value ref-dep))
3791 (set ref-dep (list nil (car th))))
3794 ;; Push all the subthreads onto the stack.
3795 (push (cdr thread) stack)))
3798 (defun gnus-make-threads ()
3799 "Go through the dependency hashtb and find the roots. Return all threads."
3801 (while (catch 'infloop
3804 ;; Deal with self-referencing References loops.
3805 (when (and (car (symbol-value refs))
3812 (car (symbol-value refs)) thread))
3813 (cdr (symbol-value refs)))))))
3816 (unless (car (symbol-value refs))
3817 ;; These threads do not refer back to any other
3818 ;; articles, so they're roots.
3819 (setq threads (append (cdr (symbol-value refs)) threads))))
3820 gnus-newsgroup-dependencies)))
3823 ;; Build the thread tree.
3824 (defsubst gnus-dependencies-add-header (header dependencies force-new)
3825 "Enter HEADER into the DEPENDENCIES table if it is not already there.
3827 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
3828 if it was already present.
3830 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
3831 will not be entered in the DEPENDENCIES table. Otherwise duplicate
3832 Message-IDs will be renamed to a unique Message-ID before being
3835 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
3836 (let* ((id (mail-header-id header))
3837 (id-dep (and id (intern id dependencies)))
3838 parent-id ref ref-dep ref-header replaced)
3839 ;; Enter this `header' in the `dependencies' table.
3843 ;; The first two cases do the normal part: enter a new `header'
3844 ;; in the `dependencies' table.
3845 ((not (boundp id-dep))
3846 (set id-dep (list header)))
3847 ((null (car (symbol-value id-dep)))
3848 (setcar (symbol-value id-dep) header))
3850 ;; From here the `header' was already present in the
3851 ;; `dependencies' table.
3853 ;; Overrides an existing entry;
3854 ;; just set the header part of the entry.
3855 (setcar (symbol-value id-dep) header)
3858 ;; Renames the existing `header' to a unique Message-ID.
3859 ((not gnus-summary-ignore-duplicates)
3860 ;; An article with this Message-ID has already been seen.
3861 ;; We rename the Message-ID.
3862 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
3864 (mail-header-set-id header id))
3866 ;; The last case ignores an existing entry, except it adds any
3867 ;; additional Xrefs (in case the two articles came from different
3869 ;; Also sets `header' to `nil' meaning that the `dependencies'
3870 ;; table was *not* modified.
3872 (mail-header-set-xref
3873 (car (symbol-value id-dep))
3874 (concat (or (mail-header-xref (car (symbol-value id-dep)))
3876 (or (mail-header-xref header) "")))
3879 (when (and header (not replaced))
3880 ;; First check that we are not creating a References loop.
3881 (setq parent-id (gnus-parent-id (mail-header-references header)))
3882 (setq ref parent-id)
3884 (setq ref-dep (intern-soft ref dependencies))
3886 (setq ref-header (car (symbol-value ref-dep))))
3887 (if (string= id ref)
3888 ;; Yuk! This is a reference loop. Make the article be a
3891 (mail-header-set-references (car (symbol-value id-dep)) "none")
3893 (setq parent-id nil))
3894 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
3895 (setq ref-dep (intern (or parent-id "none") dependencies))
3896 (if (boundp ref-dep)
3897 (setcdr (symbol-value ref-dep)
3898 (nconc (cdr (symbol-value ref-dep))
3899 (list (symbol-value id-dep))))
3900 (set ref-dep (list nil (symbol-value id-dep)))))
3903 (defun gnus-extract-message-id-from-in-reply-to (string)
3904 (if (string-match "<[^>]+>" string)
3905 (substring string (match-beginning 0) (match-end 0))
3908 (defun gnus-build-sparse-threads ()
3909 (let ((headers gnus-newsgroup-headers)
3910 (mail-parse-charset gnus-newsgroup-charset)
3911 (gnus-summary-ignore-duplicates t)
3912 header references generation relations
3913 subject child end new-child date)
3914 ;; First we create an alist of generations/relations, where
3915 ;; generations is how much we trust the relation, and the relation
3917 (gnus-message 7 "Making sparse threads...")
3919 (nnheader-set-temp-buffer " *gnus sparse threads*")
3920 (while (setq header (pop headers))
3921 (when (and (setq references (mail-header-references header))
3922 (not (string= references "")))
3924 (setq child (mail-header-id header)
3925 subject (mail-header-subject header)
3926 date (mail-header-date header)
3928 (while (search-backward ">" nil t)
3929 (setq end (1+ (point)))
3930 (when (search-backward "<" nil t)
3931 (setq new-child (buffer-substring (point) end))
3932 (push (list (incf generation)
3933 child (setq child new-child)
3937 (push (list (1+ generation) child nil subject) relations))
3939 (kill-buffer (current-buffer)))
3940 ;; Sort over trustworthiness.
3943 (when (gnus-dependencies-add-header
3944 (make-full-mail-header
3945 gnus-reffed-article-number
3946 (nth 3 relation) "" (or (nth 4 relation) "")
3948 (or (nth 2 relation) "") 0 0 "")
3949 gnus-newsgroup-dependencies nil)
3950 (push gnus-reffed-article-number gnus-newsgroup-limit)
3951 (push gnus-reffed-article-number gnus-newsgroup-sparse)
3952 (push (cons gnus-reffed-article-number gnus-sparse-mark)
3953 gnus-newsgroup-reads)
3954 (decf gnus-reffed-article-number)))
3955 (sort relations 'car-less-than-car))
3956 (gnus-message 7 "Making sparse threads...done")))
3958 (defun gnus-build-old-threads ()
3959 ;; Look at all the articles that refer back to old articles, and
3960 ;; fetch the headers for the articles that aren't there. This will
3961 ;; build complete threads - if the roots haven't been expired by the
3963 (let ((mail-parse-charset gnus-newsgroup-charset)
3967 (when (not (car (symbol-value refs)))
3968 (setq heads (cdr (symbol-value refs)))
3970 (if (memq (mail-header-number (caar heads))
3971 gnus-newsgroup-dormant)
3972 (setq heads (cdr heads))
3973 (setq id (symbol-name refs))
3974 (while (and (setq id (gnus-build-get-header id))
3975 (not (car (gnus-id-to-thread id)))))
3976 (setq heads nil)))))
3977 gnus-newsgroup-dependencies)))
3979 ;; This function has to be called with point after the article number
3980 ;; on the beginning of the line.
3981 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
3982 (let ((eol (gnus-point-at-eol))
3983 (buffer (current-buffer))
3984 header references in-reply-to)
3986 ;; overview: [num subject from date id refs chars lines misc]
3989 (narrow-to-region (point) eol)
3994 (make-full-mail-header
3996 (condition-case () ; subject
3997 (funcall gnus-decode-encoded-word-function
3998 (setq x (nnheader-nov-field)))
4000 (condition-case () ; from
4001 (funcall gnus-decode-encoded-word-function
4002 (setq x (nnheader-nov-field)))
4004 (nnheader-nov-field) ; date
4005 (nnheader-nov-read-message-id) ; id
4006 (setq references (nnheader-nov-field)) ; refs
4007 (nnheader-nov-read-integer) ; chars
4008 (nnheader-nov-read-integer) ; lines
4010 (if (looking-at "Xref: ")
4011 (goto-char (match-end 0)))
4012 (nnheader-nov-field)) ; Xref
4013 (nnheader-nov-parse-extra)))) ; extra
4017 (when (and (string= references "")
4018 (setq in-reply-to (mail-header-extra header))
4019 (setq in-reply-to (cdr (assq 'In-Reply-To in-reply-to))))
4020 (mail-header-set-references
4021 header (gnus-extract-message-id-from-in-reply-to in-reply-to)))
4023 (when gnus-alter-header-function
4024 (funcall gnus-alter-header-function header))
4025 (gnus-dependencies-add-header header dependencies force-new)))
4027 (defun gnus-build-get-header (id)
4028 "Look through the buffer of NOV lines and find the header to ID.
4029 Enter this line into the dependencies hash table, and return
4030 the id of the parent article (if any)."
4031 (let ((deps gnus-newsgroup-dependencies)
4035 (set-buffer nntp-server-buffer)
4036 (let ((case-fold-search nil))
4037 (goto-char (point-min))
4038 (while (and (not found)
4039 (search-forward id nil t))
4041 (setq found (looking-at
4042 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
4043 (regexp-quote id))))
4044 (or found (beginning-of-line 2)))
4048 (setq header (gnus-nov-parse-line
4049 (read (current-buffer)) deps))
4050 (gnus-parent-id (mail-header-references header))))))
4052 (let ((number (mail-header-number header)))
4053 (push number gnus-newsgroup-limit)
4054 (push header gnus-newsgroup-headers)
4055 (if (memq number gnus-newsgroup-unselected)
4057 (setq gnus-newsgroup-unreads
4058 (gnus-add-to-sorted-list gnus-newsgroup-unreads
4060 (setq gnus-newsgroup-unselected
4061 (delq number gnus-newsgroup-unselected)))
4062 (push number gnus-newsgroup-ancient)))))))
4064 (defun gnus-build-all-threads ()
4065 "Read all the headers."
4066 (let ((gnus-summary-ignore-duplicates t)
4067 (mail-parse-charset gnus-newsgroup-charset)
4068 (dependencies gnus-newsgroup-dependencies)
4071 (set-buffer nntp-server-buffer)
4072 (let ((case-fold-search nil))
4073 (goto-char (point-min))
4076 (setq article (read (current-buffer))
4077 header (gnus-nov-parse-line article dependencies)))
4080 (set-buffer gnus-summary-buffer)
4081 (push header gnus-newsgroup-headers)
4082 (if (memq (setq article (mail-header-number header))
4083 gnus-newsgroup-unselected)
4085 (setq gnus-newsgroup-unreads
4086 (gnus-add-to-sorted-list
4087 gnus-newsgroup-unreads article))
4088 (setq gnus-newsgroup-unselected
4089 (delq article gnus-newsgroup-unselected)))
4090 (push article gnus-newsgroup-ancient)))
4091 (forward-line 1)))))))
4093 (defun gnus-summary-update-article-line (article header)
4094 "Update the line for ARTICLE using HEADER."
4095 (let* ((id (mail-header-id header))
4096 (thread (gnus-id-to-thread id)))
4098 (error "Article in no thread"))
4099 ;; Update the thread.
4100 (setcar thread header)
4101 (gnus-summary-goto-subject article)
4102 (let* ((datal (gnus-data-find-list article))
4104 (buffer-read-only nil)
4105 (level (gnus-summary-thread-level)))
4107 (let ((inserted (- (point)
4109 (gnus-summary-insert-line
4111 (memq article gnus-newsgroup-undownloaded)
4112 (gnus-article-mark article)
4113 (memq article gnus-newsgroup-replied)
4114 (memq article gnus-newsgroup-expirable)
4115 ;; Only insert the Subject string when it's different
4116 ;; from the previous Subject string.
4121 (mail-header-subject
4124 (gnus-data-find-list
4126 (gnus-data-list t)))))
4127 ;; Error on the side of excessive subjects.
4129 (mail-header-subject header)))
4131 (mail-header-subject header))
4132 nil (cdr (assq article gnus-newsgroup-scored))
4133 (memq article gnus-newsgroup-processable))
4136 (gnus-data-update-list
4138 (- (gnus-data-pos data) (gnus-data-pos (cadr datal)) inserted)))))))
4140 (defun gnus-summary-update-article (article &optional iheader)
4141 "Update ARTICLE in the summary buffer."
4142 (set-buffer gnus-summary-buffer)
4143 (let* ((header (gnus-summary-article-header article))
4144 (id (mail-header-id header))
4145 (data (gnus-data-find article))
4146 (thread (gnus-id-to-thread id))
4147 (references (mail-header-references header))
4151 (when (and references
4152 (not (equal "" references)))
4155 (buffer-read-only nil)
4161 (delq thread parent)))
4162 (if (gnus-summary-insert-subject id header)
4163 ;; Set the (possibly) new article number in the data structure.
4164 (gnus-data-set-number data (gnus-id-to-article id))
4168 (defun gnus-rebuild-thread (id &optional line)
4169 "Rebuild the thread containing ID.
4170 If LINE, insert the rebuilt thread starting on line LINE."
4171 (let ((buffer-read-only nil)
4172 old-pos current thread data)
4173 (if (not gnus-show-threads)
4174 (setq thread (list (car (gnus-id-to-thread id))))
4175 ;; Get the thread this article is part of.
4176 (setq thread (gnus-remove-thread id)))
4177 (setq old-pos (gnus-point-at-bol))
4178 (setq current (save-excursion
4179 (and (re-search-backward "[\r\n]" nil t)
4180 (gnus-summary-article-number))))
4181 ;; If this is a gathered thread, we have to go some re-gathering.
4182 (when (stringp (car thread))
4183 (let ((subject (car thread))
4185 (setq thread (cdr thread))
4187 (unless (memq (setq thr (gnus-id-to-thread
4189 (mail-header-id (caar thread)))))
4192 (setq thread (cdr thread)))
4193 ;; We now have all (unique) roots.
4194 (if (= (length roots) 1)
4195 ;; All the loose roots are now one solid root.
4196 (setq thread (car roots))
4197 (setq thread (cons subject (gnus-sort-threads roots))))))
4199 ;; We then insert this thread into the summary buffer.
4201 (goto-char (point-min))
4202 (forward-line (1- line)))
4203 (let (gnus-newsgroup-data gnus-newsgroup-threads)
4204 (if gnus-show-threads
4205 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
4206 (gnus-summary-prepare-unthreaded thread))
4207 (setq data (nreverse gnus-newsgroup-data))
4208 (setq threads gnus-newsgroup-threads))
4209 ;; We splice the new data into the data structure.
4210 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
4211 ;;!!! then we want to insert at the beginning of the buffer.
4212 ;;!!! That happens to be true with Gnus now, but that may
4213 ;;!!! change in the future. Perhaps.
4214 (gnus-data-enter-list
4215 (if line nil current) data (- (point) old-pos))
4216 (setq gnus-newsgroup-threads
4217 (nconc threads gnus-newsgroup-threads))
4218 (gnus-data-compute-positions))))
4220 (defun gnus-number-to-header (number)
4221 "Return the header for article NUMBER."
4222 (let ((headers gnus-newsgroup-headers))
4224 (not (= number (mail-header-number (car headers)))))
4229 (defun gnus-parent-headers (in-headers &optional generation)
4230 "Return the headers of the GENERATIONeth parent of HEADERS."
4232 (setq generation 1))
4234 (headers in-headers)
4237 (not (zerop generation))
4238 (setq references (mail-header-references headers)))
4239 (setq headers (if (and references
4240 (setq parent (gnus-parent-id references)))
4241 (car (gnus-id-to-thread parent))
4244 (and (not (eq headers in-headers))
4247 (defun gnus-id-to-thread (id)
4248 "Return the (sub-)thread where ID appears."
4249 (gnus-gethash id gnus-newsgroup-dependencies))
4251 (defun gnus-id-to-article (id)
4252 "Return the article number of ID."
4253 (let ((thread (gnus-id-to-thread id)))
4256 (mail-header-number (car thread)))))
4258 (defun gnus-id-to-header (id)
4259 "Return the article headers of ID."
4260 (car (gnus-id-to-thread id)))
4262 (defun gnus-article-displayed-root-p (article)
4263 "Say whether ARTICLE is a root(ish) article."
4264 (let ((level (gnus-summary-thread-level article))
4265 (refs (mail-header-references (gnus-summary-article-header article)))
4271 ((null (gnus-parent-id refs)) t)
4273 (null (setq particle (gnus-id-to-article
4274 (gnus-parent-id refs))))
4275 (null (gnus-summary-thread-level particle)))))))
4277 (defun gnus-root-id (id)
4278 "Return the id of the root of the thread where ID appears."
4280 (while (and id (setq prev (car (gnus-id-to-thread id))))
4282 id (gnus-parent-id (mail-header-references prev))))
4285 (defun gnus-articles-in-thread (thread)
4286 "Return the list of articles in THREAD."
4287 (cons (mail-header-number (car thread))
4288 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
4290 (defun gnus-remove-thread (id &optional dont-remove)
4291 "Remove the thread that has ID in it."
4292 (let (headers thread last-id)
4293 ;; First go up in this thread until we find the root.
4294 (setq last-id (gnus-root-id id)
4295 headers (message-flatten-list (gnus-id-to-thread last-id)))
4296 ;; We have now found the real root of this thread. It might have
4297 ;; been gathered into some loose thread, so we have to search
4298 ;; through the threads to find the thread we wanted.
4299 (let ((threads gnus-newsgroup-threads)
4302 (setq sub (car threads))
4303 (if (stringp (car sub))
4304 ;; This is a gathered thread, so we look at the roots
4305 ;; below it to find whether this article is in this
4308 (setq sub (cdr sub))
4310 (when (member (caar sub) headers)
4311 (setq thread (car threads)
4314 (setq sub (cdr sub))))
4315 ;; It's an ordinary thread, so we check it.
4316 (when (eq (car sub) (car headers))
4319 (setq threads (cdr threads)))
4320 ;; If this article is in no thread, then it's a root.
4323 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
4324 (setq thread (gnus-id-to-thread last-id)))
4327 thread ; We return this thread.
4329 (if (stringp (car thread))
4331 ;; If we use dummy roots, then we have to remove the
4332 ;; dummy root as well.
4333 (when (eq gnus-summary-make-false-root 'dummy)
4334 ;; We go to the dummy root by going to
4335 ;; the first sub-"thread", and then one line up.
4336 (gnus-summary-goto-article
4337 (mail-header-number (caadr thread)))
4340 (gnus-data-compute-positions))
4341 (setq thread (cdr thread))
4343 (gnus-remove-thread-1 (car thread))
4344 (setq thread (cdr thread))))
4345 (gnus-remove-thread-1 thread))))))))
4347 (defun gnus-remove-thread-1 (thread)
4348 "Remove the thread THREAD recursively."
4349 (let ((number (mail-header-number (pop thread)))
4351 (setq thread (reverse thread))
4353 (gnus-remove-thread-1 (pop thread)))
4354 (when (setq d (gnus-data-find number))
4355 (goto-char (gnus-data-pos d))
4356 (gnus-summary-show-thread)
4359 (- (gnus-point-at-bol)
4361 (1+ (gnus-point-at-eol))
4362 (gnus-delete-line)))))))
4364 (defun gnus-sort-threads-1 (threads func)
4365 (sort (mapcar (lambda (thread)
4368 (gnus-sort-threads-1 (cdr thread) func))))
4371 (defun gnus-sort-threads (threads)
4373 (if (not gnus-thread-sort-functions)
4375 (gnus-message 8 "Sorting threads...")
4376 (let ((max-lisp-eval-depth 5000))
4377 (prog1 (gnus-sort-threads-1
4379 (gnus-make-sort-function gnus-thread-sort-functions))
4380 (gnus-message 8 "Sorting threads...done")))))
4382 (defun gnus-sort-articles (articles)
4384 (when gnus-article-sort-functions
4385 (gnus-message 7 "Sorting articles...")
4387 (setq gnus-newsgroup-headers
4388 (sort articles (gnus-make-sort-function
4389 gnus-article-sort-functions)))
4390 (gnus-message 7 "Sorting articles...done"))))
4392 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
4393 (defmacro gnus-thread-header (thread)
4394 "Return header of first article in THREAD.
4395 Note that THREAD must never, ever be anything else than a variable -
4396 using some other form will lead to serious barfage."
4397 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
4398 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
4399 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207"
4402 (defsubst gnus-article-sort-by-number (h1 h2)
4403 "Sort articles by article number."
4404 (< (mail-header-number h1)
4405 (mail-header-number h2)))
4407 (defun gnus-thread-sort-by-number (h1 h2)
4408 "Sort threads by root article number."
4409 (gnus-article-sort-by-number
4410 (gnus-thread-header h1) (gnus-thread-header h2)))
4412 (defsubst gnus-article-sort-by-random (h1 h2)
4413 "Sort articles by article number."
4416 (defun gnus-thread-sort-by-random (h1 h2)
4417 "Sort threads by root article number."
4418 (gnus-article-sort-by-random
4419 (gnus-thread-header h1) (gnus-thread-header h2)))
4421 (defsubst gnus-article-sort-by-lines (h1 h2)
4422 "Sort articles by article Lines header."
4423 (< (mail-header-lines h1)
4424 (mail-header-lines h2)))
4426 (defun gnus-thread-sort-by-lines (h1 h2)
4427 "Sort threads by root article Lines header."
4428 (gnus-article-sort-by-lines
4429 (gnus-thread-header h1) (gnus-thread-header h2)))
4431 (defsubst gnus-article-sort-by-chars (h1 h2)
4432 "Sort articles by octet length."
4433 (< (mail-header-chars h1)
4434 (mail-header-chars h2)))
4436 (defun gnus-thread-sort-by-chars (h1 h2)
4437 "Sort threads by root article octet length."
4438 (gnus-article-sort-by-chars
4439 (gnus-thread-header h1) (gnus-thread-header h2)))
4441 (defsubst gnus-article-sort-by-author (h1 h2)
4442 "Sort articles by root author."
4444 (let ((extract (funcall
4445 gnus-extract-address-components
4446 (mail-header-from h1))))
4447 (or (car extract) (cadr extract) ""))
4448 (let ((extract (funcall
4449 gnus-extract-address-components
4450 (mail-header-from h2))))
4451 (or (car extract) (cadr extract) ""))))
4453 (defun gnus-thread-sort-by-author (h1 h2)
4454 "Sort threads by root author."
4455 (gnus-article-sort-by-author
4456 (gnus-thread-header h1) (gnus-thread-header h2)))
4458 (defsubst gnus-article-sort-by-subject (h1 h2)
4459 "Sort articles by root subject."
4461 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
4462 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
4464 (defun gnus-thread-sort-by-subject (h1 h2)
4465 "Sort threads by root subject."
4466 (gnus-article-sort-by-subject
4467 (gnus-thread-header h1) (gnus-thread-header h2)))
4469 (defsubst gnus-article-sort-by-date (h1 h2)
4470 "Sort articles by root article date."
4472 (gnus-date-get-time (mail-header-date h1))
4473 (gnus-date-get-time (mail-header-date h2))))
4475 (defun gnus-thread-sort-by-date (h1 h2)
4476 "Sort threads by root article date."
4477 (gnus-article-sort-by-date
4478 (gnus-thread-header h1) (gnus-thread-header h2)))
4480 (defsubst gnus-article-sort-by-score (h1 h2)
4481 "Sort articles by root article score.
4482 Unscored articles will be counted as having a score of zero."
4483 (> (or (cdr (assq (mail-header-number h1)
4484 gnus-newsgroup-scored))
4485 gnus-summary-default-score 0)
4486 (or (cdr (assq (mail-header-number h2)
4487 gnus-newsgroup-scored))
4488 gnus-summary-default-score 0)))
4490 (defun gnus-thread-sort-by-score (h1 h2)
4491 "Sort threads by root article score."
4492 (gnus-article-sort-by-score
4493 (gnus-thread-header h1) (gnus-thread-header h2)))
4495 (defun gnus-thread-sort-by-total-score (h1 h2)
4496 "Sort threads by the sum of all scores in the thread.
4497 Unscored articles will be counted as having a score of zero."
4498 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
4500 (defun gnus-thread-total-score (thread)
4501 ;; This function find the total score of THREAD.
4506 (if (stringp (car thread))
4507 (apply gnus-thread-score-function 0
4508 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
4509 (gnus-thread-total-score-1 thread)))
4511 (gnus-thread-total-score-1 (list thread)))))
4513 (defun gnus-thread-sort-by-most-recent-number (h1 h2)
4514 "Sort threads such that the thread with the most recently arrived article comes first."
4515 (> (gnus-thread-highest-number h1) (gnus-thread-highest-number h2)))
4517 (defun gnus-thread-highest-number (thread)
4518 "Return the highest article number in THREAD."
4519 (apply 'max (mapcar (lambda (header)
4520 (mail-header-number header))
4521 (message-flatten-list thread))))
4523 (defun gnus-thread-sort-by-most-recent-date (h1 h2)
4524 "Sort threads such that the thread with the most recently dated article comes first."
4525 (> (gnus-thread-latest-date h1) (gnus-thread-latest-date h2)))
4527 (defun gnus-thread-latest-date (thread)
4528 "Return the highest article date in THREAD."
4529 (let ((previous-time 0))
4535 (time-to-seconds (mail-header-parse-date
4536 (mail-header-date header)))
4537 (error previous-time))))
4539 (message-flatten-list thread)
4541 (< (mail-header-number h1)
4542 (mail-header-number h2))))))))
4544 (defun gnus-thread-total-score-1 (root)
4545 ;; This function find the total score of the thread below ROOT.
4546 (setq root (car root))
4547 (apply gnus-thread-score-function
4549 (mapcar 'gnus-thread-total-score
4550 (cdr (gnus-id-to-thread (mail-header-id root))))
4551 (when (> (mail-header-number root) 0)
4552 (list (or (cdr (assq (mail-header-number root)
4553 gnus-newsgroup-scored))
4554 gnus-summary-default-score 0))))
4555 (list gnus-summary-default-score)
4558 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
4559 (defvar gnus-tmp-prev-subject nil)
4560 (defvar gnus-tmp-false-parent nil)
4561 (defvar gnus-tmp-root-expunged nil)
4562 (defvar gnus-tmp-dummy-line nil)
4564 (eval-when-compile (defvar gnus-tmp-header))
4565 (defun gnus-extra-header (type &optional header)
4566 "Return the extra header of TYPE."
4567 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
4570 (defvar gnus-tmp-thread-tree-header-string "")
4572 (defcustom gnus-sum-thread-tree-root "> "
4573 "With %B spec, used for the root of a thread.
4574 If nil, use subject instead."
4575 :type '(radio (const :format "%v " nil) (string :size 0))
4576 :group 'gnus-thread)
4577 (defcustom gnus-sum-thread-tree-false-root "> "
4578 "With %B spec, used for a false root of a thread.
4579 If nil, use subject instead."
4580 :type '(radio (const :format "%v " nil) (string :size 0))
4581 :group 'gnus-thread)
4582 (defcustom gnus-sum-thread-tree-single-indent ""
4583 "With %B spec, used for a thread with just one message.
4584 If nil, use subject instead."
4585 :type '(radio (const :format "%v " nil) (string :size 0))
4586 :group 'gnus-thread)
4587 (defcustom gnus-sum-thread-tree-vertical "| "
4588 "With %B spec, used for drawing a vertical line."
4590 :group 'gnus-thread)
4591 (defcustom gnus-sum-thread-tree-indent " "
4592 "With %B spec, used for indenting."
4594 :group 'gnus-thread)
4595 (defcustom gnus-sum-thread-tree-leaf-with-other "+-> "
4596 "With %B spec, used for a leaf with brothers."
4598 :group 'gnus-thread)
4599 (defcustom gnus-sum-thread-tree-single-leaf "\\-> "
4600 "With %B spec, used for a leaf without brothers."
4602 :group 'gnus-thread)
4604 (defun gnus-summary-prepare-threads (threads)
4605 "Prepare summary buffer from THREADS and indentation LEVEL.
4606 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
4607 or a straight list of headers."
4608 (gnus-message 7 "Generating summary...")
4610 (setq gnus-newsgroup-threads threads)
4613 (let ((gnus-tmp-level 0)
4614 (default-score (or gnus-summary-default-score 0))
4615 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
4616 (building-line-count gnus-summary-display-while-building)
4617 (building-count (integerp gnus-summary-display-while-building))
4618 thread number subject stack state gnus-tmp-gathered beg-match
4619 new-roots gnus-tmp-new-adopts thread-end simp-subject
4620 gnus-tmp-header gnus-tmp-unread gnus-tmp-downloaded
4621 gnus-tmp-replied gnus-tmp-subject-or-nil
4622 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
4623 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
4624 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket
4627 (setq gnus-tmp-prev-subject nil
4628 gnus-tmp-thread-tree-header-string "")
4630 (if (vectorp (car threads))
4631 ;; If this is a straight (sic) list of headers, then a
4632 ;; threaded summary display isn't required, so we just create
4633 ;; an unthreaded one.
4634 (gnus-summary-prepare-unthreaded threads)
4636 ;; Do the threaded display.
4638 (if gnus-summary-display-while-building
4639 (switch-to-buffer (buffer-name)))
4640 (while (or threads stack gnus-tmp-new-adopts new-roots)
4642 (if (and (= gnus-tmp-level 0)
4645 (not gnus-tmp-false-parent)
4646 (or gnus-tmp-new-adopts new-roots))
4647 (if gnus-tmp-new-adopts
4648 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
4649 thread (list (car gnus-tmp-new-adopts))
4650 gnus-tmp-header (caar thread)
4651 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
4653 (setq thread (list (car new-roots))
4654 gnus-tmp-header (caar thread)
4655 new-roots (cdr new-roots))))
4658 ;; If there are some threads, we do them before the
4659 ;; threads on the stack.
4660 (setq thread threads
4661 gnus-tmp-header (caar thread))
4662 ;; There were no current threads, so we pop something off
4664 (setq state (car stack)
4665 gnus-tmp-level (car state)
4666 tree-stack (cadr state)
4667 thread (caddr state)
4669 gnus-tmp-header (caar thread))))
4671 (setq gnus-tmp-false-parent nil)
4672 (setq gnus-tmp-root-expunged nil)
4673 (setq thread-end nil)
4675 (if (stringp gnus-tmp-header)
4676 ;; The header is a dummy root.
4678 ((eq gnus-summary-make-false-root 'adopt)
4679 ;; We let the first article adopt the rest.
4680 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
4682 (setq gnus-tmp-gathered
4684 (lambda (h) (mail-header-number (car h)))
4687 (setq thread (cons (list (caar thread)
4690 (setq gnus-tmp-level -1
4691 gnus-tmp-false-parent t))
4692 ((eq gnus-summary-make-false-root 'empty)
4693 ;; We print adopted articles with empty subject fields.
4694 (setq gnus-tmp-gathered
4696 (lambda (h) (mail-header-number (car h)))
4699 (setq gnus-tmp-level -1))
4700 ((eq gnus-summary-make-false-root 'dummy)
4701 ;; We remember that we probably want to output a dummy
4703 (setq gnus-tmp-dummy-line gnus-tmp-header)
4704 (setq gnus-tmp-prev-subject gnus-tmp-header))
4706 ;; We do not make a root for the gathered
4707 ;; sub-threads at all.
4708 (setq gnus-tmp-level -1)))
4710 (setq number (mail-header-number gnus-tmp-header)
4711 subject (mail-header-subject gnus-tmp-header)
4712 simp-subject (gnus-simplify-subject-fully subject))
4715 ;; If the thread has changed subject, we might want to make
4716 ;; this subthread into a root.
4717 ((and (null gnus-thread-ignore-subject)
4718 (not (zerop gnus-tmp-level))
4719 gnus-tmp-prev-subject
4720 (not (string= gnus-tmp-prev-subject simp-subject)))
4721 (setq new-roots (nconc new-roots (list (car thread)))
4723 gnus-tmp-header nil))
4724 ;; If the article lies outside the current limit,
4725 ;; then we do not display it.
4726 ((not (memq number gnus-newsgroup-limit))
4727 (setq gnus-tmp-gathered
4729 (lambda (h) (mail-header-number (car h)))
4732 (setq gnus-tmp-new-adopts (if (cdar thread)
4733 (append gnus-tmp-new-adopts
4735 gnus-tmp-new-adopts)
4737 gnus-tmp-header nil)
4738 (when (zerop gnus-tmp-level)
4739 (setq gnus-tmp-root-expunged t)))
4740 ;; Perhaps this article is to be marked as read?
4741 ((and gnus-summary-mark-below
4742 (< (or (cdr (assq number gnus-newsgroup-scored))
4744 gnus-summary-mark-below)
4745 ;; Don't touch sparse articles.
4746 (not (gnus-summary-article-sparse-p number))
4747 (not (gnus-summary-article-ancient-p number)))
4748 (setq gnus-newsgroup-unreads
4749 (delq number gnus-newsgroup-unreads))
4750 (if gnus-newsgroup-auto-expire
4751 (setq gnus-newsgroup-expirable
4752 (gnus-add-to-sorted-list
4753 gnus-newsgroup-expirable number))
4754 (push (cons number gnus-low-score-mark)
4755 gnus-newsgroup-reads))))
4757 (when gnus-tmp-header
4758 ;; We may have an old dummy line to output before this
4760 (when (and gnus-tmp-dummy-line
4763 (mail-header-subject gnus-tmp-header)))
4764 (gnus-summary-insert-dummy-line
4765 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
4766 (setq gnus-tmp-dummy-line nil))
4768 ;; Compute the mark.
4769 (setq gnus-tmp-unread (gnus-article-mark number))
4771 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
4772 gnus-tmp-header gnus-tmp-level)
4773 gnus-newsgroup-data)
4775 ;; Actually insert the line.
4777 gnus-tmp-subject-or-nil
4779 ((and gnus-thread-ignore-subject
4780 gnus-tmp-prev-subject
4781 (not (string= gnus-tmp-prev-subject simp-subject)))
4783 ((zerop gnus-tmp-level)
4784 (if (and (eq gnus-summary-make-false-root 'empty)
4785 (memq number gnus-tmp-gathered)
4786 gnus-tmp-prev-subject
4787 (string= gnus-tmp-prev-subject simp-subject))
4788 gnus-summary-same-subject
4790 (t gnus-summary-same-subject)))
4791 (if (and (eq gnus-summary-make-false-root 'adopt)
4792 (= gnus-tmp-level 1)
4793 (memq number gnus-tmp-gathered))
4794 (setq gnus-tmp-opening-bracket ?\<
4795 gnus-tmp-closing-bracket ?\>)
4796 (setq gnus-tmp-opening-bracket ?\[
4797 gnus-tmp-closing-bracket ?\]))
4799 gnus-tmp-indentation
4800 (aref gnus-thread-indent-array gnus-tmp-level)
4801 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
4802 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
4803 gnus-summary-default-score 0)
4805 (if (or (null gnus-summary-default-score)
4806 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
4807 gnus-summary-zcore-fuzz))
4809 (if (< gnus-tmp-score gnus-summary-default-score)
4810 gnus-score-below-mark gnus-score-over-mark))
4812 (cond ((memq number gnus-newsgroup-processable)
4814 ((memq number gnus-newsgroup-cached)
4816 ((memq number gnus-newsgroup-replied)
4818 ((memq number gnus-newsgroup-forwarded)
4819 gnus-forwarded-mark)
4820 ((memq number gnus-newsgroup-saved)
4822 ((memq number gnus-newsgroup-recent)
4824 ((memq number gnus-newsgroup-unseen)
4828 (cond ((memq number gnus-newsgroup-undownloaded)
4829 gnus-undownloaded-mark)
4830 (gnus-newsgroup-agentized
4831 gnus-downloaded-mark)
4834 gnus-tmp-from (mail-header-from gnus-tmp-header)
4837 ((string-match "<[^>]+> *$" gnus-tmp-from)
4838 (setq beg-match (match-beginning 0))
4839 (or (and (string-match "^\".+\"" gnus-tmp-from)
4840 (substring gnus-tmp-from 1 (1- (match-end 0))))
4841 (substring gnus-tmp-from 0 beg-match)))
4842 ((string-match "(.+)" gnus-tmp-from)
4843 (substring gnus-tmp-from
4844 (1+ (match-beginning 0)) (1- (match-end 0))))
4848 gnus-tmp-thread-tree-header-string
4850 ((not gnus-show-threads) "")
4851 ((zerop gnus-tmp-level)
4852 (cond ((cdar thread)
4853 (or gnus-sum-thread-tree-root subject))
4854 (gnus-tmp-new-adopts
4855 (or gnus-sum-thread-tree-false-root subject))
4857 (or gnus-sum-thread-tree-single-indent subject))))
4859 (concat (apply 'concat
4860 (mapcar (lambda (item)
4862 gnus-sum-thread-tree-vertical
4863 gnus-sum-thread-tree-indent))
4864 (cdr (reverse tree-stack))))
4866 gnus-sum-thread-tree-leaf-with-other
4867 gnus-sum-thread-tree-single-leaf)))))
4868 (when (string= gnus-tmp-name "")
4869 (setq gnus-tmp-name gnus-tmp-from))
4870 (unless (numberp gnus-tmp-lines)
4871 (setq gnus-tmp-lines -1))
4872 (if (= gnus-tmp-lines -1)
4873 (setq gnus-tmp-lines "?")
4874 (setq gnus-tmp-lines (number-to-string gnus-tmp-lines)))
4875 (gnus-put-text-property
4877 (progn (eval gnus-summary-line-format-spec) (point))
4878 'gnus-number number)
4881 (gnus-run-hooks 'gnus-summary-update-hook)
4884 (setq gnus-tmp-prev-subject simp-subject)))
4886 (when (nth 1 thread)
4887 (push (list (max 0 gnus-tmp-level)
4888 (copy-sequence tree-stack)
4891 (push (if (nth 1 thread) 1 0) tree-stack)
4892 (incf gnus-tmp-level)
4893 (setq threads (if thread-end nil (cdar thread)))
4894 (if gnus-summary-display-while-building
4897 ;; use a set frequency
4898 (setq building-line-count (1- building-line-count))
4899 (when (= building-line-count 0)
4901 (setq building-line-count
4902 gnus-summary-display-while-building)))
4906 (setq gnus-tmp-level 0)))))
4907 (gnus-message 7 "Generating summary...done"))
4909 (defun gnus-summary-prepare-unthreaded (headers)
4910 "Generate an unthreaded summary buffer based on HEADERS."
4911 (let (header number mark)
4916 ;; We may have to root out some bad articles...
4917 (when (memq (setq number (mail-header-number
4918 (setq header (pop headers))))
4919 gnus-newsgroup-limit)
4920 ;; Mark article as read when it has a low score.
4921 (when (and gnus-summary-mark-below
4922 (< (or (cdr (assq number gnus-newsgroup-scored))
4923 gnus-summary-default-score 0)
4924 gnus-summary-mark-below)
4925 (not (gnus-summary-article-ancient-p number)))
4926 (setq gnus-newsgroup-unreads
4927 (delq number gnus-newsgroup-unreads))
4928 (if gnus-newsgroup-auto-expire
4929 (push number gnus-newsgroup-expirable)
4930 (push (cons number gnus-low-score-mark)
4931 gnus-newsgroup-reads)))
4933 (setq mark (gnus-article-mark number))
4934 (push (gnus-data-make number mark (1+ (point)) header 0)
4935 gnus-newsgroup-data)
4936 (gnus-summary-insert-line
4938 (memq number gnus-newsgroup-undownloaded)
4939 mark (memq number gnus-newsgroup-replied)
4940 (memq number gnus-newsgroup-expirable)
4941 (mail-header-subject header) nil
4942 (cdr (assq number gnus-newsgroup-scored))
4943 (memq number gnus-newsgroup-processable))))))
4945 (defun gnus-summary-remove-list-identifiers ()
4946 "Remove list identifiers in `gnus-list-identifiers' from articles in the current group."
4947 (let ((regexp (if (consp gnus-list-identifiers)
4948 (mapconcat 'identity gnus-list-identifiers " *\\|")
4949 gnus-list-identifiers))
4952 (dolist (header gnus-newsgroup-headers)
4953 (setq subject (mail-header-subject header)
4955 (while (string-match
4956 (concat "^\\(R[Ee]: +\\)*\\(" regexp " *\\)")
4959 (concat (substring subject 0 (match-beginning 2))
4960 (substring subject (match-end 0)))
4964 "^\\(\\(R[Ee]: +\\)+\\)R[Ee]: +" subject))
4966 (concat (substring subject 0 (match-beginning 1))
4967 (substring subject (match-end 1)))))
4969 (mail-header-set-subject header subject))))))
4971 (defun gnus-fetch-headers (articles)
4972 "Fetch headers of ARTICLES."
4973 (let ((name (gnus-group-decoded-name gnus-newsgroup-name)))
4974 (gnus-message 5 "Fetching headers for %s..." name)
4977 (setq gnus-headers-retrieved-by
4978 (gnus-retrieve-headers
4979 articles gnus-newsgroup-name
4980 ;; We might want to fetch old headers, but
4981 ;; not if there is only 1 article.
4983 (not (eq gnus-fetch-old-headers 'some))
4984 (not (numberp gnus-fetch-old-headers)))
4985 (> (length articles) 1))
4986 gnus-fetch-old-headers))))
4987 (gnus-get-newsgroup-headers-xover
4988 articles nil nil gnus-newsgroup-name t)
4989 (gnus-get-newsgroup-headers))
4990 (gnus-message 5 "Fetching headers for %s...done" name))))
4992 (defun gnus-select-newsgroup (group &optional read-all select-articles)
4993 "Select newsgroup GROUP.
4994 If READ-ALL is non-nil, all articles in the group are selected.
4995 If SELECT-ARTICLES, only select those articles from GROUP."
4996 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4997 ;;!!! Dirty hack; should be removed.
4998 (gnus-summary-ignore-duplicates
4999 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
5001 gnus-summary-ignore-duplicates))
5002 (info (nth 2 entry))
5003 articles fetched-articles cached)
5005 (unless (gnus-check-server
5006 (set (make-local-variable 'gnus-current-select-method)
5007 (gnus-find-method-for-group group)))
5008 (error "Couldn't open server"))
5010 (or (and entry (not (eq (car entry) t))) ; Either it's active...
5011 (gnus-activate-group group) ; Or we can activate it...
5012 (progn ; Or we bug out.
5013 (when (equal major-mode 'gnus-summary-mode)
5014 (gnus-kill-buffer (current-buffer)))
5015 (error "Couldn't activate group %s: %s"
5016 group (gnus-status-message group))))
5018 (unless (gnus-request-group group t)
5019 (when (equal major-mode 'gnus-summary-mode)
5020 (gnus-kill-buffer (current-buffer)))
5021 (error "Couldn't request group %s: %s"
5022 group (gnus-status-message group)))
5025 ;; The agent may be storing articles that are no longer in the
5026 ;; server's active range. If that is the case, the active range
5027 ;; needs to be expanded such that the agent's articles can be
5028 ;; included in the summary.
5029 (let* ((gnus-command-method (gnus-find-method-for-group group))
5030 (alist (gnus-agent-load-alist group))
5031 (active (gnus-active group)))
5032 (if (and (car alist)
5033 (< (caar alist) (car active)))
5034 (gnus-set-active group (cons (caar alist) (cdr active)))))
5036 (setq gnus-summary-use-undownloaded-faces
5037 (not (gnus-agent-find-parameter
5039 'agent-disable-undownloaded-faces))))
5041 (setq gnus-newsgroup-name group
5042 gnus-newsgroup-unselected nil
5043 gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
5045 (let ((display (gnus-group-find-parameter group 'display)))
5046 (setq gnus-newsgroup-display
5048 ((not (zerop (or (car-safe read-all) 0)))
5049 ;; The user entered the group with C-u SPC/RET, let's show
5055 (gnus-summary-display-make-predicate (mapcar 'identity display)))
5057 ;; The following is probably the "correct" solution, but
5058 ;; it makes Gnus fetch all headers and then limit the
5059 ;; articles (which is slow), so instead we hack the
5060 ;; select-articles parameter instead. -- Simon Josefsson
5063 ;; (gnus-byte-compile
5064 ;; `(lambda () (> number ,(- (cdr (gnus-active group))
5066 (setq select-articles
5067 (gnus-uncompress-range
5068 (cons (let ((tmp (- (cdr (gnus-active group)) display)))
5072 (cdr (gnus-active group)))))
5077 (gnus-summary-setup-default-charset)
5079 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5080 (when (gnus-virtual-group-p group)
5081 (setq cached gnus-newsgroup-cached))
5083 (setq gnus-newsgroup-unreads
5084 (gnus-sorted-ndifference
5085 (gnus-sorted-ndifference gnus-newsgroup-unreads
5086 gnus-newsgroup-marked)
5087 gnus-newsgroup-dormant))
5089 (setq gnus-newsgroup-processable nil)
5091 (gnus-update-read-articles group gnus-newsgroup-unreads)
5093 ;; Adjust and set lists of article marks.
5095 (gnus-adjust-marked-articles info))
5096 (if (setq articles select-articles)
5097 (setq gnus-newsgroup-unselected
5098 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5099 (setq articles (gnus-articles-to-read group read-all)))
5103 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
5105 ((eq articles 0) nil)
5107 ;; Init the dependencies hash table.
5108 (setq gnus-newsgroup-dependencies
5109 (gnus-make-hashtable (length articles)))
5110 (gnus-set-global-variables)
5111 ;; Retrieve the headers and read them in.
5113 (setq gnus-newsgroup-headers (gnus-fetch-headers articles))
5115 ;; Kludge to avoid having cached articles nixed out in virtual groups.
5117 (setq gnus-newsgroup-cached cached))
5119 ;; Suppress duplicates?
5120 (when gnus-suppress-duplicates
5121 (gnus-dup-suppress-articles))
5123 ;; Set the initial limit.
5124 (setq gnus-newsgroup-limit (copy-sequence articles))
5125 ;; Remove canceled articles from the list of unread articles.
5126 (setq fetched-articles
5127 (mapcar (lambda (headers) (mail-header-number headers))
5128 gnus-newsgroup-headers))
5129 (setq gnus-newsgroup-articles fetched-articles)
5130 (setq gnus-newsgroup-unreads
5131 (gnus-sorted-nintersection
5132 gnus-newsgroup-unreads fetched-articles))
5133 (gnus-compute-unseen-list)
5135 ;; Removed marked articles that do not exist.
5136 (gnus-update-missing-marks
5137 (gnus-sorted-difference articles fetched-articles))
5138 ;; We might want to build some more threads first.
5139 (when (and gnus-fetch-old-headers
5140 (eq gnus-headers-retrieved-by 'nov))
5141 (if (eq gnus-fetch-old-headers 'invisible)
5142 (gnus-build-all-threads)
5143 (gnus-build-old-threads)))
5144 ;; Let the Gnus agent mark articles as read.
5146 (gnus-agent-get-undownloaded-list))
5147 ;; Remove list identifiers from subject
5148 (when gnus-list-identifiers
5149 (gnus-summary-remove-list-identifiers))
5150 ;; Check whether auto-expire is to be done in this group.
5151 (setq gnus-newsgroup-auto-expire
5152 (gnus-group-auto-expirable-p group))
5153 ;; Set up the article buffer now, if necessary.
5154 (unless gnus-single-article-buffer
5155 (gnus-article-setup-buffer))
5156 ;; First and last article in this newsgroup.
5157 (when gnus-newsgroup-headers
5158 (setq gnus-newsgroup-begin
5159 (mail-header-number (car gnus-newsgroup-headers))
5162 (gnus-last-element gnus-newsgroup-headers))))
5163 ;; GROUP is successfully selected.
5164 (or gnus-newsgroup-headers t)))))
5166 (defun gnus-compute-unseen-list ()
5167 ;; The `seen' marks are treated specially.
5168 (if (not gnus-newsgroup-seen)
5169 (setq gnus-newsgroup-unseen gnus-newsgroup-articles)
5170 (setq gnus-newsgroup-unseen
5171 (gnus-inverse-list-range-intersection
5172 gnus-newsgroup-articles gnus-newsgroup-seen))))
5174 (defun gnus-summary-display-make-predicate (display)
5175 (require 'gnus-agent)
5176 (when (= (length display) 1)
5177 (setq display (car display)))
5178 (unless gnus-summary-display-cache
5179 (dolist (elem (append '((unread . unread)
5182 gnus-article-mark-lists))
5183 (push (cons (cdr elem)
5185 `(lambda () (gnus-article-marked-p ',(cdr elem)))))
5186 gnus-summary-display-cache)))
5187 (let ((gnus-category-predicate-alist gnus-summary-display-cache)
5188 (gnus-category-predicate-cache gnus-summary-display-cache))
5189 (gnus-get-predicate display)))
5191 ;; Uses the dynamically bound `number' variable.
5194 (defun gnus-article-marked-p (type &optional article)
5195 (let ((article (or article number)))
5198 (memq article gnus-newsgroup-marked))
5200 (memq article gnus-newsgroup-spam-marked))
5202 (memq article gnus-newsgroup-unsendable))
5203 ((eq type 'undownload)
5204 (memq article gnus-newsgroup-undownloaded))
5205 ((eq type 'download)
5206 (memq article gnus-newsgroup-downloadable))
5208 (memq article gnus-newsgroup-unreads))
5210 (memq article gnus-newsgroup-reads))
5212 (memq article gnus-newsgroup-dormant) )
5214 (memq article gnus-newsgroup-expirable))
5216 (memq article gnus-newsgroup-replied))
5218 (memq article gnus-newsgroup-killed))
5219 ((eq type 'bookmark)
5220 (assq article gnus-newsgroup-bookmarks))
5222 (assq article gnus-newsgroup-scored))
5224 (memq article gnus-newsgroup-saved))
5226 (memq article gnus-newsgroup-cached))
5228 (memq article gnus-newsgroup-forwarded))
5230 (not (memq article gnus-newsgroup-unseen)))
5232 (memq article gnus-newsgroup-recent))
5235 (defun gnus-articles-to-read (group &optional read-all)
5236 "Find out what articles the user wants to read."
5237 (let* ((display (gnus-group-find-parameter group 'display))
5239 ;; Select all articles if `read-all' is non-nil, or if there
5240 ;; are no unread articles.
5242 (and (zerop (length gnus-newsgroup-marked))
5243 (zerop (length gnus-newsgroup-unreads)))
5244 ;; Fetch all if the predicate is non-nil.
5245 gnus-newsgroup-display)
5246 ;; We want to select the headers for all the articles in
5247 ;; the group, so we select either all the active
5248 ;; articles in the group, or (if that's nil), the
5249 ;; articles in the cache.
5251 (gnus-uncompress-range (gnus-active group))
5252 (gnus-cache-articles-in-group group))
5253 ;; Select only the "normal" subset of articles.
5255 (gnus-sorted-union gnus-newsgroup-dormant gnus-newsgroup-marked)
5256 gnus-newsgroup-unreads)))
5257 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
5258 (scored (length scored-list))
5259 (number (length articles))
5260 (marked (+ (length gnus-newsgroup-marked)
5261 (length gnus-newsgroup-dormant)))
5266 ((numberp gnus-newsgroup-display)
5267 gnus-newsgroup-display)
5271 ((and (or (<= scored marked) (= scored number))
5272 (numberp gnus-large-newsgroup)
5273 (> number gnus-large-newsgroup))
5274 (let* ((cursor-in-echo-area nil)
5275 (initial (gnus-parameter-large-newsgroup-initial
5276 gnus-newsgroup-name))
5280 "How many articles from %s (%s %d): "
5282 (gnus-group-decoded-name gnus-newsgroup-name)
5284 (if initial "max" "default")
5287 (cons (number-to-string initial)
5289 (if (string-match "^[ \t]*$" input) number input)))
5290 ((and (> scored marked) (< scored number)
5291 (> (- scored number) 20))
5294 (format "%s %s (%d scored, %d total): "
5295 "How many articles from"
5296 (gnus-group-decoded-name group)
5298 (if (string-match "^[ \t]*$" input)
5302 (message "Quit getting the articles to read")
5304 (setq select (if (stringp select) (string-to-number select) select))
5305 (if (or (null select) (zerop select))
5307 (if (and (not (zerop scored)) (<= (abs select) scored))
5309 (setq articles (sort scored-list '<))
5310 (setq number (length articles)))
5311 (setq articles (copy-sequence articles)))
5313 (when (< (abs select) number)
5315 ;; Select the N oldest articles.
5316 (setcdr (nthcdr (1- (abs select)) articles) nil)
5317 ;; Select the N most recent articles.
5318 (setq articles (nthcdr (- number select) articles))))
5319 (setq gnus-newsgroup-unselected
5320 (gnus-sorted-difference gnus-newsgroup-unreads articles))
5321 (when gnus-alter-articles-to-read-function
5324 (funcall gnus-alter-articles-to-read-function
5325 gnus-newsgroup-name articles)
5329 (defun gnus-killed-articles (killed articles)
5332 (when (inline (gnus-member-of-range (car articles) killed))
5333 (push (car articles) out))
5334 (setq articles (cdr articles)))
5337 (defun gnus-uncompress-marks (marks)
5338 "Uncompress the mark ranges in MARKS."
5339 (let ((uncompressed '(score bookmark))
5342 (if (memq (caar marks) uncompressed)
5343 (push (car marks) out)
5344 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
5345 (setq marks (cdr marks)))
5348 (defun gnus-article-mark-to-type (mark)
5349 "Return the type of MARK."
5350 (or (cadr (assq mark gnus-article-special-mark-lists))
5353 (defun gnus-article-unpropagatable-p (mark)
5354 "Return whether MARK should be propagated to back end."
5355 (memq mark gnus-article-unpropagated-mark-lists))
5357 (defun gnus-adjust-marked-articles (info)
5358 "Set all article lists and remove all marks that are no longer valid."
5359 (let* ((marked-lists (gnus-info-marks info))
5360 (active (gnus-active (gnus-info-group info)))
5363 (types gnus-article-mark-lists)
5364 marks var articles article mark mark-type)
5366 (dolist (marks marked-lists)
5367 (setq mark (car marks)
5368 mark-type (gnus-article-mark-to-type mark)
5369 var (intern (format "gnus-newsgroup-%s" (car (rassq mark types)))))
5371 ;; We set the variable according to the type of the marks list,
5372 ;; and then adjust the marks to a subset of the active articles.
5374 ;; Adjust "simple" lists.
5375 ((eq mark-type 'list)
5376 (set var (setq articles (gnus-uncompress-range (cdr marks))))
5377 (when (memq mark '(tick dormant expire reply save))
5379 (when (or (< (setq article (pop articles)) min) (> article max))
5380 (set var (delq article (symbol-value var)))))))
5382 ((eq mark-type 'tuple)
5383 (set var (setq articles (cdr marks)))
5384 (when (not (listp (cdr (symbol-value var))))
5385 (set var (list (symbol-value var))))
5386 (when (not (listp (cdr articles)))
5387 (setq articles (list articles)))
5389 (when (or (not (consp (setq article (pop articles))))
5390 (< (car article) min)
5391 (> (car article) max))
5392 (set var (delq article (symbol-value var))))))
5393 ;; Adjust ranges (sloppily).
5394 ((eq mark-type 'range)
5397 ;; Fix the record for `seen' if it looks like (seen NUM1 . NUM2).
5398 ;; It should be (seen (NUM1 . NUM2)).
5399 (when (numberp (cddr marks))
5400 (setcdr marks (list (cdr marks))))
5401 (setq articles (cdr marks))
5402 (while (and articles
5403 (or (and (consp (car articles))
5404 (> min (cdar articles)))
5405 (and (numberp (car articles))
5406 (> min (car articles)))))
5408 (set var articles))))))))
5410 (defun gnus-update-missing-marks (missing)
5411 "Go through the list of MISSING articles and remove them from the mark lists."
5414 ;; Go through all types.
5415 (dolist (elem gnus-article-mark-lists)
5416 (when (eq (gnus-article-mark-to-type (cdr elem)) 'list)
5417 (setq var (intern (format "gnus-newsgroup-%s" (car elem))))
5418 (when (symbol-value var)
5419 ;; This list has articles. So we delete all missing
5420 ;; articles from it.
5423 (set var (delq (pop m) (symbol-value var))))))))))
5425 (defun gnus-update-marks ()
5426 "Enter the various lists of marked articles into the newsgroup info list."
5427 (let ((types gnus-article-mark-lists)
5428 (info (gnus-get-info gnus-newsgroup-name))
5429 type list newmarked symbol delta-marks)
5431 ;; Add all marks lists to the list of marks lists.
5432 (while (setq type (pop types))
5433 (setq list (symbol-value
5435 (intern (format "gnus-newsgroup-%s" (car type))))))
5438 ;; Get rid of the entries of the articles that have the
5440 (when (and (eq (cdr type) 'score)
5444 (prev (cons nil list))
5447 (if (or (not (consp (car arts)))
5448 (= (cdar arts) gnus-summary-default-score))
5449 (setcdr prev (cdr arts))
5451 (setq arts (cdr arts)))
5452 (setq list (cdr all)))))
5454 (when (eq (cdr type) 'seen)
5455 (setq list (gnus-range-add list gnus-newsgroup-unseen)))
5457 (when (eq (gnus-article-mark-to-type (cdr type)) 'list)
5458 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
5460 (when (and (gnus-check-backend-function
5461 'request-set-mark gnus-newsgroup-name)
5462 (not (gnus-article-unpropagatable-p (cdr type))))
5463 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
5464 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
5465 (add (gnus-remove-from-range
5466 (gnus-copy-sequence list) old)))
5468 (push (list add 'add (list (cdr type))) delta-marks))
5470 (push (list del 'del (list (cdr type))) delta-marks))))
5473 (push (cons (cdr type) list) newmarked)))
5476 (unless (gnus-check-group gnus-newsgroup-name)
5477 (error "Can't open server for %s" gnus-newsgroup-name))
5478 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
5480 ;; Enter these new marks into the info of the group.
5482 (setcar (nthcdr 3 info) newmarked)
5483 ;; Add the marks lists to the end of the info.
5485 (setcdr (nthcdr 2 info) (list newmarked))))
5487 ;; Cut off the end of the info if there's nothing else there.
5491 (when (nthcdr (decf i) info)
5492 (setcdr (nthcdr i info) nil)))))))
5494 (defun gnus-set-mode-line (where)
5495 "Set the mode line of the article or summary buffers.
5496 If WHERE is `summary', the summary mode line format will be used."
5497 ;; Is this mode line one we keep updated?
5498 (when (and (memq where gnus-updated-mode-lines)
5500 (intern (format "gnus-%s-mode-line-format-spec" where))))
5503 ;; We evaluate this in the summary buffer since these
5504 ;; variables are buffer-local to that buffer.
5505 (set-buffer gnus-summary-buffer)
5506 ;; We bind all these variables that are used in the `eval' form
5508 (let* ((mformat (symbol-value
5510 (format "gnus-%s-mode-line-format-spec" where))))
5511 (gnus-tmp-group-name (gnus-group-decoded-name
5512 gnus-newsgroup-name))
5513 (gnus-tmp-article-number (or gnus-current-article 0))
5514 (gnus-tmp-unread gnus-newsgroup-unreads)
5515 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
5516 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
5517 (gnus-tmp-unread-and-unselected
5518 (cond ((and (zerop gnus-tmp-unread-and-unticked)
5519 (zerop gnus-tmp-unselected))
5521 ((zerop gnus-tmp-unselected)
5522 (format "{%d more}" gnus-tmp-unread-and-unticked))
5523 (t (format "{%d(+%d) more}"
5524 gnus-tmp-unread-and-unticked
5525 gnus-tmp-unselected))))
5527 (if (and gnus-current-headers
5528 (vectorp gnus-current-headers))
5529 (gnus-mode-string-quote
5530 (mail-header-subject gnus-current-headers))
5532 bufname-length max-len
5533 gnus-tmp-header) ;; passed as argument to any user-format-funcs
5534 (setq mode-string (eval mformat))
5535 (setq bufname-length (if (string-match "%b" mode-string)
5538 (if (eq where 'summary)
5540 (get-buffer gnus-article-buffer))))
5543 (setq max-len (max 4 (if gnus-mode-non-string-length
5545 gnus-mode-non-string-length
5547 (length mode-string))))
5548 ;; We might have to chop a bit of the string off...
5549 (when (> (length mode-string) max-len)
5551 (concat (truncate-string-to-width mode-string (- max-len 3))
5553 ;; Pad the mode string a bit.
5554 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
5555 ;; Update the mode line.
5556 (setq mode-line-buffer-identification
5557 (gnus-mode-line-buffer-identification (list mode-string)))
5558 (set-buffer-modified-p t))))
5560 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
5561 "Go through the HEADERS list and add all Xrefs to a hash table.
5562 The resulting hash table is returned, or nil if no Xrefs were found."
5563 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
5564 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
5565 (xref-hashtb (gnus-make-hashtable))
5566 start group entry number xrefs header)
5568 (setq header (pop headers))
5569 (when (and (setq xrefs (mail-header-xref header))
5570 (not (memq (setq number (mail-header-number header))
5573 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
5574 (setq start (match-end 0))
5575 (setq group (if prefix
5576 (concat prefix (substring xrefs (match-beginning 1)
5578 (substring xrefs (match-beginning 1) (match-end 1))))
5580 (string-to-int (substring xrefs (match-beginning 2)
5582 (if (setq entry (gnus-gethash group xref-hashtb))
5583 (setcdr entry (cons number (cdr entry)))
5584 (gnus-sethash group (cons number nil) xref-hashtb)))))
5585 (and start xref-hashtb)))
5587 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
5588 "Look through all the headers and mark the Xrefs as read."
5589 (let ((virtual (gnus-virtual-group-p from-newsgroup))
5590 name entry info xref-hashtb idlist method nth4)
5592 (set-buffer gnus-group-buffer)
5593 (when (setq xref-hashtb
5594 (gnus-create-xref-hashtb from-newsgroup headers unreads))
5597 (unless (string= from-newsgroup (setq name (symbol-name group)))
5598 (setq idlist (symbol-value group))
5599 ;; Dead groups are not updated.
5601 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
5603 (when (stringp (setq nth4 (gnus-info-method info)))
5604 (setq nth4 (gnus-server-to-method nth4))))
5605 ;; Only do the xrefs if the group has the same
5606 ;; select method as the group we have just read.
5607 (or (gnus-methods-equal-p
5608 nth4 (gnus-find-method-for-group from-newsgroup))
5610 (equal nth4 (setq method (gnus-find-method-for-group
5612 (and (equal (car nth4) (car method))
5613 (equal (nth 1 nth4) (nth 1 method))))
5614 gnus-use-cross-reference
5615 (or (not (eq gnus-use-cross-reference t))
5617 ;; Only do cross-references on subscribed
5618 ;; groups, if that is what is wanted.
5619 (<= (gnus-info-level info) gnus-level-subscribed))
5620 (gnus-group-make-articles-read name idlist))))
5623 (defun gnus-compute-read-articles (group articles)
5624 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
5625 (info (nth 2 entry))
5626 (active (gnus-active group))
5629 ;; First peel off all invalid article numbers.
5631 (let ((ids articles)
5633 (while (setq id (pop ids))
5634 (when (and first (> id (cdr active)))
5635 ;; We'll end up in this situation in one particular
5636 ;; obscure situation. If you re-scan a group and get
5637 ;; a new article that is cross-posted to a different
5638 ;; group that has not been re-scanned, you might get
5639 ;; crossposted article that has a higher number than
5640 ;; Gnus believes possible. So we re-activate this
5641 ;; group as well. This might mean doing the
5642 ;; crossposting thingy will *increase* the number
5643 ;; of articles in some groups. Tsk, tsk.
5644 (setq active (or (gnus-activate-group group) active)))
5645 (when (or (> id (cdr active))
5646 (< id (car active)))
5647 (setq articles (delq id articles))))))
5648 ;; If the read list is nil, we init it.
5650 (null (gnus-info-read info))
5652 (setq ninfo (cons 1 (1- (car active))))
5653 (setq ninfo (gnus-info-read info)))
5654 ;; Then we add the read articles to the range.
5656 ninfo (setq articles (sort articles '<))))))
5658 (defun gnus-group-make-articles-read (group articles)
5659 "Update the info of GROUP to say that ARTICLES are read."
5661 (entry (gnus-gethash group gnus-newsrc-hashtb))
5662 (info (nth 2 entry))
5663 (active (gnus-active group))
5666 (setq range (gnus-compute-read-articles group articles))
5668 (set-buffer gnus-group-buffer)
5671 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
5672 (gnus-info-set-read ',info ',(gnus-info-read info))
5673 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
5674 (gnus-request-set-mark ,group (list (list ',range 'del '(read))))
5675 (gnus-group-update-group ,group t))))
5676 ;; Add the read articles to the range.
5677 (gnus-info-set-read info range)
5678 (gnus-request-set-mark group (list (list range 'add '(read))))
5679 ;; Then we have to re-compute how many unread
5680 ;; articles there are in this group.
5684 (setq num (- (1+ (cdr active)) (car active))))
5685 ((not (listp (cdr range)))
5686 (setq num (- (cdr active) (- (1+ (cdr range))
5690 (if (numberp (car range))
5692 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
5693 (setq range (cdr range)))
5694 (setq num (- (cdr active) num))))
5695 ;; Update the number of unread articles.
5697 ;; Update the group buffer.
5698 (unless (gnus-ephemeral-group-p group)
5699 (gnus-group-update-group group t))))))
5701 (defvar gnus-newsgroup-none-id 0)
5703 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
5704 (let ((cur nntp-server-buffer)
5707 (save-excursion (set-buffer gnus-summary-buffer)
5708 gnus-newsgroup-dependencies)))
5710 (mail-parse-charset gnus-newsgroup-charset)
5711 (mail-parse-ignored-charsets
5712 (save-excursion (condition-case nil
5713 (set-buffer gnus-summary-buffer)
5715 gnus-newsgroup-ignored-charsets)))
5717 (set-buffer nntp-server-buffer)
5718 ;; Translate all TAB characters into SPACE characters.
5719 (subst-char-in-region (point-min) (point-max) ?\t ? t)
5720 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5721 (ietf-drums-unfold-fws)
5722 (gnus-run-hooks 'gnus-parse-headers-hook)
5723 (let ((case-fold-search t)
5724 in-reply-to header p lines chars)
5725 (goto-char (point-min))
5726 ;; Search to the beginning of the next header. Error messages
5727 ;; do not begin with 2 or 3.
5728 (while (re-search-forward "^[23][0-9]+ " nil t)
5731 ;; This implementation of this function, with nine
5732 ;; search-forwards instead of the one re-search-forward and
5733 ;; a case (which basically was the old function) is actually
5734 ;; about twice as fast, even though it looks messier. You
5735 ;; can't have everything, I guess. Speed and elegance
5736 ;; doesn't always go hand in hand.
5745 (narrow-to-region (point)
5746 (or (and (search-forward "\n.\n" nil t)
5752 (if (search-forward "\nsubject:" nil t)
5753 (funcall gnus-decode-encoded-word-function
5754 (nnheader-header-value))
5759 (if (search-forward "\nfrom:" nil t)
5760 (funcall gnus-decode-encoded-word-function
5761 (nnheader-header-value))
5766 (if (search-forward "\ndate:" nil t)
5767 (nnheader-header-value) ""))
5771 (setq id (if (re-search-forward
5772 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
5773 ;; We do it this way to make sure the Message-ID
5774 ;; is (somewhat) syntactically valid.
5775 (buffer-substring (match-beginning 1)
5777 ;; If there was no message-id, we just fake one
5778 ;; to make subsequent routines simpler.
5779 (nnheader-generate-fake-message-id))))
5783 (if (search-forward "\nreferences:" nil t)
5787 (nnheader-header-value)
5792 (search-backward ">" end t)
5795 (search-backward "<" end t)
5797 ;; Get the references from the in-reply-to header if there
5798 ;; were no references and the in-reply-to header looks
5800 (if (and (search-forward "\nin-reply-to:" nil t)
5801 (setq in-reply-to (nnheader-header-value))
5802 (string-match "<[^>]+>" in-reply-to))
5804 (setq ref (substring in-reply-to (match-beginning 0)
5806 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
5807 (setq ref2 (substring in-reply-to (match-beginning 0)
5809 (when (> (length ref2) (length ref))
5816 (if (search-forward "\nchars: " nil t)
5817 (if (numberp (setq chars (ignore-errors (read cur))))
5823 (if (search-forward "\nlines: " nil t)
5824 (if (numberp (setq lines (ignore-errors (read cur))))
5830 (and (search-forward "\nxref:" nil t)
5831 (nnheader-header-value)))
5833 (when gnus-extra-headers
5834 (let ((extra gnus-extra-headers)
5838 (when (search-forward
5839 (concat "\n" (symbol-name (car extra)) ":") nil t)
5840 (push (cons (car extra) (nnheader-header-value))
5844 (when (equal id ref)
5847 (when gnus-alter-header-function
5848 (funcall gnus-alter-header-function header)
5849 (setq id (mail-header-id header)
5850 ref (gnus-parent-id (mail-header-references header))))
5853 (gnus-dependencies-add-header
5854 header dependencies force-new))
5855 (push header headers))
5856 (goto-char (point-max))
5858 (nreverse headers)))))
5860 ;; Goes through the xover lines and returns a list of vectors
5861 (defun gnus-get-newsgroup-headers-xover (sequence &optional
5862 force-new dependencies
5863 group also-fetch-heads)
5864 "Parse the news overview data in the server buffer.
5865 Return a list of headers that match SEQUENCE (see
5866 `nntp-retrieve-headers')."
5867 ;; Get the Xref when the users reads the articles since most/some
5868 ;; NNTP servers do not include Xrefs when using XOVER.
5869 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
5870 (let ((mail-parse-charset gnus-newsgroup-charset)
5871 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets)
5872 (cur nntp-server-buffer)
5873 (dependencies (or dependencies gnus-newsgroup-dependencies))
5875 ((eq gnus-read-all-available-headers t)
5877 ((stringp gnus-read-all-available-headers)
5878 (string-match gnus-read-all-available-headers group))
5881 number headers header)
5883 (set-buffer nntp-server-buffer)
5884 (subst-char-in-region (point-min) (point-max) ?\r ? t)
5885 ;; Allow the user to mangle the headers before parsing them.
5886 (gnus-run-hooks 'gnus-parse-headers-hook)
5887 (goto-char (point-min))
5888 (gnus-parse-without-error
5889 (while (and (or sequence allp)
5891 (setq number (read cur))
5893 (while (and sequence
5894 (< (car sequence) number))
5895 (setq sequence (cdr sequence))))
5898 (eq number (car sequence))))
5900 (setq sequence (cdr sequence))
5901 (setq header (inline
5902 (gnus-nov-parse-line
5903 number dependencies force-new)))))
5904 (push header headers))
5906 ;; A common bug in inn is that if you have posted an article and
5907 ;; then retrieves the active file, it will answer correctly --
5908 ;; the new article is included. However, a NOV entry for the
5909 ;; article may not have been generated yet, so this may fail.
5910 ;; We work around this problem by retrieving the last few
5911 ;; headers using HEAD.
5912 (if (or (not also-fetch-heads)
5914 ;; We (probably) got all the headers.
5916 (let ((gnus-nov-is-evil t))
5919 (when (eq (gnus-retrieve-headers sequence group) 'headers)
5920 (gnus-get-newsgroup-headers))))))))
5922 (defun gnus-article-get-xrefs ()
5923 "Fill in the Xref value in `gnus-current-headers', if necessary.
5924 This is meant to be called in `gnus-article-internal-prepare-hook'."
5925 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
5926 gnus-current-headers)))
5927 (or (not gnus-use-cross-reference)
5929 (and (mail-header-xref headers)
5930 (not (string= (mail-header-xref headers) "")))
5931 (let ((case-fold-search t)
5934 (nnheader-narrow-to-headers)
5935 (goto-char (point-min))
5936 (when (or (and (not (eobp))
5937 (eq (downcase (char-after)) ?x)
5938 (looking-at "Xref:"))
5939 (search-forward "\nXref:" nil t))
5940 (goto-char (1+ (match-end 0)))
5941 (setq xref (buffer-substring (point) (gnus-point-at-eol)))
5942 (mail-header-set-xref headers xref)))))))
5944 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
5945 "Find article ID and insert the summary line for that article.
5946 OLD-HEADER can either be a header or a line number to insert
5947 the subject line on."
5948 (let* ((line (and (numberp old-header) old-header))
5949 (old-header (and (vectorp old-header) old-header))
5950 (header (cond ((and old-header use-old-header)
5953 (gnus-number-to-header id))
5954 (gnus-number-to-header id))
5956 (gnus-read-header id))))
5957 (number (and (numberp id) id))
5960 ;; Rebuild the thread that this article is part of and go to the
5961 ;; article we have fetched.
5962 (when (and (not gnus-show-threads)
5965 (setq d (gnus-data-find (mail-header-number old-header))))
5966 (goto-char (gnus-data-pos d))
5969 (- (gnus-point-at-bol)
5971 (1+ (gnus-point-at-eol))
5972 (gnus-delete-line))))))
5974 (mail-header-set-number header (mail-header-number old-header)))
5975 (setq gnus-newsgroup-sparse
5976 (delq (setq number (mail-header-number header))
5977 gnus-newsgroup-sparse))
5978 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
5979 (push number gnus-newsgroup-limit)
5980 (gnus-rebuild-thread (mail-header-id header) line)
5981 (gnus-summary-goto-subject number nil t))
5982 (when (and (numberp number)
5984 ;; We have to update the boundaries even if we can't fetch the
5985 ;; article if ID is a number -- so that the next `P' or `N'
5986 ;; command will fetch the previous (or next) article even
5987 ;; if the one we tried to fetch this time has been canceled.
5988 (when (> number gnus-newsgroup-end)
5989 (setq gnus-newsgroup-end number))
5990 (when (< number gnus-newsgroup-begin)
5991 (setq gnus-newsgroup-begin number))
5992 (setq gnus-newsgroup-unselected
5993 (delq number gnus-newsgroup-unselected)))
5994 ;; Report back a success?
5995 (and header (mail-header-number header))))
5997 ;;; Process/prefix in the summary buffer
5999 (defun gnus-summary-work-articles (n)
6000 "Return a list of articles to be worked upon.
6001 The prefix argument, the list of process marked articles, and the
6002 current article will be taken into consideration."
6004 (set-buffer gnus-summary-buffer)
6007 ;; A numerical prefix has been given.
6008 (setq n (prefix-numeric-value n))
6009 (let ((backward (< n 0))
6010 (n (abs (prefix-numeric-value n)))
6015 (push (setq article (gnus-summary-article-number))
6018 (gnus-summary-find-prev nil article)
6019 (gnus-summary-find-next nil article)))
6021 (nreverse articles)))
6022 ((and (gnus-region-active-p) (mark))
6023 (message "region active")
6024 ;; Work on the region between point and mark.
6025 (let ((max (max (point) (mark)))
6028 (goto-char (min (min (point) (mark))))
6031 (push (setq article (gnus-summary-article-number)) articles)
6032 (gnus-summary-find-next nil article)
6034 (nreverse articles))))
6035 (gnus-newsgroup-processable
6036 ;; There are process-marked articles present.
6037 ;; Save current state.
6038 (gnus-summary-save-process-mark)
6040 (reverse gnus-newsgroup-processable))
6042 ;; Just return the current article.
6043 (list (gnus-summary-article-number))))))
6045 (defmacro gnus-summary-iterate (arg &rest forms)
6046 "Iterate over the process/prefixed articles and do FORMS.
6047 ARG is the interactive prefix given to the command. FORMS will be
6048 executed with point over the summary line of the articles."
6049 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
6050 `(let ((,articles (gnus-summary-work-articles ,arg)))
6052 (gnus-summary-goto-subject (car ,articles))
6056 (put 'gnus-summary-iterate 'lisp-indent-function 1)
6057 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
6059 (defun gnus-summary-save-process-mark ()
6060 "Push the current set of process marked articles on the stack."
6062 (push (copy-sequence gnus-newsgroup-processable)
6063 gnus-newsgroup-process-stack))
6065 (defun gnus-summary-kill-process-mark ()
6066 "Push the current set of process marked articles on the stack and unmark."
6068 (gnus-summary-save-process-mark)
6069 (gnus-summary-unmark-all-processable))
6071 (defun gnus-summary-yank-process-mark ()
6072 "Pop the last process mark state off the stack and restore it."
6074 (unless gnus-newsgroup-process-stack
6075 (error "Empty mark stack"))
6076 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
6078 (defun gnus-summary-process-mark-set (set)
6079 "Make SET into the current process marked articles."
6080 (gnus-summary-unmark-all-processable)
6082 (gnus-summary-set-process-mark (pop set))))
6084 ;;; Searching and stuff
6086 (defun gnus-summary-search-group (&optional backward use-level)
6087 "Search for next unread newsgroup.
6088 If optional argument BACKWARD is non-nil, search backward instead."
6090 (set-buffer gnus-group-buffer)
6091 (when (gnus-group-search-forward
6092 backward nil (if use-level (gnus-group-group-level) nil))
6093 (gnus-group-group-name))))
6095 (defun gnus-summary-best-group (&optional exclude-group)
6096 "Find the name of the best unread group.
6097 If EXCLUDE-GROUP, do not go to this group."
6099 (set-buffer gnus-group-buffer)
6101 (gnus-group-best-unread-group exclude-group))))
6103 (defun gnus-summary-find-next (&optional unread article backward)
6105 (gnus-summary-find-prev unread article)
6106 (let* ((dummy (gnus-summary-article-intangible-p))
6107 (article (or article (gnus-summary-article-number)))
6108 (data (gnus-data-find-list article))
6110 (when (and (not dummy)
6111 (or (not gnus-summary-check-current)
6113 (not (gnus-data-unread-p (car data)))))
6114 (setq data (cdr data)))
6119 (unless (memq (gnus-data-number (car data))
6121 ((eq gnus-auto-goto-ignores
6122 'always-undownloaded)
6123 gnus-newsgroup-undownloaded)
6126 ((eq gnus-auto-goto-ignores
6128 gnus-newsgroup-unfetched)
6129 ((eq gnus-auto-goto-ignores
6131 gnus-newsgroup-undownloaded)))
6132 (when (gnus-data-unread-p (car data))
6133 (setq result (car data)
6135 (setq data (cdr data)))
6138 (goto-char (gnus-data-pos result))
6139 (gnus-data-number result)))))
6141 (defun gnus-summary-find-prev (&optional unread article)
6142 (let* ((eobp (eobp))
6143 (article (or article (gnus-summary-article-number)))
6144 (data (gnus-data-find-list article (gnus-data-list 'rev)))
6146 (when (and (not eobp)
6147 (or (not gnus-summary-check-current)
6149 (not (gnus-data-unread-p (car data)))))
6150 (setq data (cdr data)))
6155 (unless (memq (gnus-data-number (car data))
6157 ((eq gnus-auto-goto-ignores
6158 'always-undownloaded)
6159 gnus-newsgroup-undownloaded)
6162 ((eq gnus-auto-goto-ignores
6164 gnus-newsgroup-unfetched)
6165 ((eq gnus-auto-goto-ignores
6167 gnus-newsgroup-undownloaded)))
6168 (when (gnus-data-unread-p (car data))
6169 (setq result (car data)
6171 (setq data (cdr data)))
6174 (goto-char (gnus-data-pos result))
6175 (gnus-data-number result))))
6177 (defun gnus-summary-find-subject (subject &optional unread backward article)
6178 (let* ((simp-subject (gnus-simplify-subject-fully subject))
6179 (article (or article (gnus-summary-article-number)))
6180 (articles (gnus-data-list backward))
6181 (arts (gnus-data-find-list article articles))
6183 (when (or (not gnus-summary-check-current)
6185 (not (gnus-data-unread-p (car arts))))
6186 (setq arts (cdr arts)))
6188 (and (or (not unread)
6189 (gnus-data-unread-p (car arts)))
6190 (vectorp (gnus-data-header (car arts)))
6192 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
6193 (setq result (car arts)
6195 (setq arts (cdr arts)))
6197 (goto-char (gnus-data-pos result))
6198 (gnus-data-number result))))
6200 (defun gnus-summary-search-forward (&optional unread subject backward)
6201 "Search forward for an article.
6202 If UNREAD, look for unread articles. If SUBJECT, look for
6203 articles with that subject. If BACKWARD, search backward instead."
6204 (cond (subject (gnus-summary-find-subject subject unread backward))
6205 (backward (gnus-summary-find-prev unread))
6206 (t (gnus-summary-find-next unread))))
6208 (defun gnus-recenter (&optional n)
6209 "Center point in window and redisplay frame.
6210 Also do horizontal recentering."
6212 (when (and gnus-auto-center-summary
6213 (not (eq gnus-auto-center-summary 'vertical)))
6214 (gnus-horizontal-recenter))
6217 (defun gnus-summary-recenter ()
6218 "Center point in the summary window.
6219 If `gnus-auto-center-summary' is nil, or the article buffer isn't
6220 displayed, no centering will be performed."
6221 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
6222 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
6224 ;; The user has to want it.
6225 (when gnus-auto-center-summary
6226 (let* ((top (cond ((< (window-height) 4) 0)
6227 ((< (window-height) 7) 1)
6228 (t (if (numberp gnus-auto-center-summary)
6229 gnus-auto-center-summary
6231 (height (1- (window-height)))
6232 (bottom (save-excursion (goto-char (point-max))
6233 (forward-line (- height))
6235 (window (get-buffer-window (current-buffer))))
6236 (when (get-buffer-window gnus-article-buffer)
6237 ;; Only do recentering when the article buffer is displayed,
6238 ;; Set the window start to either `bottom', which is the biggest
6239 ;; possible valid number, or the second line from the top,
6240 ;; whichever is the least.
6241 (let ((top-pos (save-excursion (forward-line (- top)) (point))))
6242 (if (> bottom top-pos)
6243 ;; Keep the second line from the top visible
6244 (set-window-start window top-pos t)
6245 ;; Try to keep the bottom line visible; if it's partially
6246 ;; obscured, either scroll one more line to make it fully
6247 ;; visible, or revert to using TOP-POS.
6249 (goto-char (point-max))
6251 (let ((last-line-start (point)))
6253 (set-window-start window (point) t)
6254 (when (not (pos-visible-in-window-p last-line-start window))
6256 (set-window-start window (min (point) top-pos) t)))))))
6257 ;; Do horizontal recentering while we're at it.
6258 (when (and (get-buffer-window (current-buffer) t)
6259 (not (eq gnus-auto-center-summary 'vertical)))
6260 (let ((selected (selected-window)))
6261 (select-window (get-buffer-window (current-buffer) t))
6262 (gnus-summary-position-point)
6263 (gnus-horizontal-recenter)
6264 (select-window selected))))))
6266 (defun gnus-summary-jump-to-group (newsgroup)
6267 "Move point to NEWSGROUP in group mode buffer."
6268 ;; Keep update point of group mode buffer if visible.
6269 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
6270 (save-window-excursion
6271 ;; Take care of tree window mode.
6272 (when (get-buffer-window gnus-group-buffer)
6273 (pop-to-buffer gnus-group-buffer))
6274 (gnus-group-jump-to-group newsgroup))
6276 ;; Take care of tree window mode.
6277 (if (get-buffer-window gnus-group-buffer)
6278 (pop-to-buffer gnus-group-buffer)
6279 (set-buffer gnus-group-buffer))
6280 (gnus-group-jump-to-group newsgroup))))
6282 ;; This function returns a list of article numbers based on the
6283 ;; difference between the ranges of read articles in this group and
6284 ;; the range of active articles.
6285 (defun gnus-list-of-unread-articles (group)
6286 (let* ((read (gnus-info-read (gnus-get-info group)))
6287 (active (or (gnus-active group) (gnus-activate-group group)))
6290 ;; If none are read, then all are unread.
6292 (setq first (car active))
6293 ;; If the range of read articles is a single range, then the
6294 ;; first unread article is the article after the last read
6295 ;; article. Sounds logical, doesn't it?
6296 (if (and (not (listp (cdr read)))
6297 (or (< (car read) (car active))
6298 (progn (setq read (list read))
6300 (setq first (max (car active) (1+ (cdr read))))
6301 ;; `read' is a list of ranges.
6302 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
6305 (setq first (car active)))
6308 (while (< first nlast)
6310 (setq first (1+ first))))
6311 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
6312 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
6313 (setq read (cdr read)))))
6314 ;; And add the last unread articles.
6315 (while (<= first last)
6317 (setq first (1+ first)))
6318 ;; Return the list of unread articles.
6319 (delq 0 (nreverse unread))))
6321 (defun gnus-list-of-read-articles (group)
6322 "Return a list of unread, unticked and non-dormant articles."
6323 (let* ((info (gnus-get-info group))
6324 (marked (gnus-info-marks info))
6325 (active (gnus-active group)))
6327 (gnus-list-range-difference
6328 (gnus-list-range-difference
6329 (gnus-sorted-complement
6330 (gnus-uncompress-range active)
6331 (gnus-list-of-unread-articles group))
6332 (cdr (assq 'dormant marked)))
6333 (cdr (assq 'tick marked))))))
6335 ;; Various summary commands
6337 (defun gnus-summary-select-article-buffer ()
6338 "Reconfigure windows to show article buffer."
6340 (if (not (gnus-buffer-live-p gnus-article-buffer))
6341 (error "There is no article buffer for this summary buffer")
6342 (gnus-configure-windows 'article)
6343 (select-window (get-buffer-window gnus-article-buffer))))
6345 (defun gnus-summary-universal-argument (arg)
6346 "Perform any operation on all articles that are process/prefixed."
6348 (let ((articles (gnus-summary-work-articles arg))
6355 (substitute-command-keys
6356 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"))))
6358 (gnus-error 1 "Undefined key")
6361 (gnus-summary-goto-subject (setq article (pop articles)))
6362 (let (gnus-newsgroup-processable)
6363 (command-execute func))
6364 (gnus-summary-remove-process-mark article)))))
6365 (gnus-summary-position-point))
6367 (defun gnus-summary-toggle-truncation (&optional arg)
6368 "Toggle truncation of summary lines.
6369 With ARG, turn line truncation on if ARG is positive."
6371 (setq truncate-lines
6372 (if (null arg) (not truncate-lines)
6373 (> (prefix-numeric-value arg) 0)))
6376 (defun gnus-summary-find-for-reselect ()
6377 "Return the number of an article to stay on across a reselect.
6378 The current article is considered, then following articles, then previous
6379 articles. An article is sought which is not cancelled and isn't a temporary
6380 insertion from another group. If there's no such then return a dummy 0."
6382 (dolist (rev '(nil t))
6383 (unless found ; don't demand the reverse list if we don't need it
6384 (let ((data (gnus-data-find-list
6385 (gnus-summary-article-number) (gnus-data-list rev))))
6386 (while (and data (not found))
6387 (if (and (< 0 (gnus-data-number (car data)))
6388 (not (eq gnus-canceled-mark (gnus-data-mark (car data)))))
6389 (setq found (gnus-data-number (car data))))
6390 (setq data (cdr data))))))
6393 (defun gnus-summary-reselect-current-group (&optional all rescan)
6394 "Exit and then reselect the current newsgroup.
6395 The prefix argument ALL means to select all articles."
6397 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
6398 (error "Ephemeral groups can't be reselected"))
6399 (let ((current-subject (gnus-summary-find-for-reselect))
6400 (group gnus-newsgroup-name))
6401 (setq gnus-newsgroup-begin nil)
6402 (gnus-summary-exit nil 'leave-hidden)
6403 ;; We have to adjust the point of group mode buffer because
6404 ;; point was moved to the next unread newsgroup by exiting.
6405 (gnus-summary-jump-to-group group)
6408 (gnus-group-get-new-news-this-group 1)))
6409 (gnus-group-read-group all t)
6410 (gnus-summary-goto-subject current-subject nil t)))
6412 (defun gnus-summary-rescan-group (&optional all)
6413 "Exit the newsgroup, ask for new articles, and select the newsgroup."
6415 (gnus-summary-reselect-current-group all t))
6417 (defun gnus-summary-update-info (&optional non-destructive)
6419 (let ((group gnus-newsgroup-name))
6421 (when gnus-newsgroup-kill-headers
6422 (setq gnus-newsgroup-killed
6423 (gnus-compress-sequence
6425 (gnus-list-range-intersection
6426 gnus-newsgroup-unselected gnus-newsgroup-killed)
6427 gnus-newsgroup-unreads)
6429 (unless (listp (cdr gnus-newsgroup-killed))
6430 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
6431 (let ((headers gnus-newsgroup-headers))
6432 ;; Set the new ranges of read articles.
6434 (set-buffer gnus-group-buffer)
6435 (gnus-undo-force-boundary))
6436 (gnus-update-read-articles
6437 group (gnus-sorted-union
6438 gnus-newsgroup-unreads gnus-newsgroup-unselected))
6439 ;; Set the current article marks.
6440 (let ((gnus-newsgroup-scored
6441 (if (and (not gnus-save-score)
6442 (not non-destructive))
6444 gnus-newsgroup-scored)))
6446 (gnus-update-marks)))
6447 ;; Do the cross-ref thing.
6448 (when gnus-use-cross-reference
6449 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
6450 ;; Do not switch windows but change the buffer to work.
6451 (set-buffer gnus-group-buffer)
6452 (unless (gnus-ephemeral-group-p group)
6453 (gnus-group-update-group group)))))))
6455 (defun gnus-summary-save-newsrc (&optional force)
6456 "Save the current number of read/marked articles in the dribble buffer.
6457 The dribble buffer will then be saved.
6458 If FORCE (the prefix), also save the .newsrc file(s)."
6460 (gnus-summary-update-info t)
6462 (gnus-save-newsrc-file)
6463 (gnus-dribble-save)))
6465 (defun gnus-summary-exit (&optional temporary leave-hidden)
6466 "Exit reading current newsgroup, and then return to group selection mode.
6467 `gnus-exit-group-hook' is called with no arguments if that value is non-nil."
6469 (gnus-set-global-variables)
6470 (when (gnus-buffer-live-p gnus-article-buffer)
6472 (set-buffer gnus-article-buffer)
6473 (mm-destroy-parts gnus-article-mime-handles)
6474 ;; Set it to nil for safety reason.
6475 (setq gnus-article-mime-handle-alist nil)
6476 (setq gnus-article-mime-handles nil)))
6477 (gnus-kill-save-kill-buffer)
6478 (gnus-async-halt-prefetch)
6479 (let* ((group gnus-newsgroup-name)
6480 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
6481 (gnus-group-is-exiting-p t)
6484 (buf (current-buffer)))
6486 ;; Do adaptive scoring, and possibly save score files.
6487 (when gnus-newsgroup-adaptive
6488 (gnus-score-adaptive))
6489 (when gnus-use-scoring
6491 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
6492 ;; If we have several article buffers, we kill them at exit.
6493 (unless gnus-single-article-buffer
6494 (gnus-kill-buffer gnus-original-article-buffer)
6495 (setq gnus-article-current nil))
6496 (when gnus-use-cache
6497 (gnus-cache-possibly-remove-articles)
6498 (gnus-cache-save-buffers))
6499 (gnus-async-prefetch-remove-group group)
6500 (when gnus-suppress-duplicates
6501 (gnus-dup-enter-articles))
6502 (when gnus-use-trees
6503 (gnus-tree-close group))
6504 (when gnus-use-cache
6505 (gnus-cache-write-active))
6506 ;; Remove entries for this group.
6507 (nnmail-purge-split-history (gnus-group-real-name group))
6508 ;; Make all changes in this group permanent.
6510 (gnus-run-hooks 'gnus-exit-group-hook)
6511 (gnus-summary-update-info))
6512 (gnus-close-group group)
6513 ;; Make sure where we were, and go to next newsgroup.
6514 (set-buffer gnus-group-buffer)
6516 (gnus-group-jump-to-group group))
6517 (gnus-run-hooks 'gnus-summary-exit-hook)
6518 (unless (or quit-config
6519 ;; If this group has disappeared from the summary
6520 ;; buffer, don't skip forwards.
6521 (not (string= group (gnus-group-group-name))))
6522 (gnus-group-next-unread-group 1))
6523 (setq group-point (point))
6526 ;; If we have several article buffers, we kill them at exit.
6527 (unless gnus-single-article-buffer
6528 (gnus-kill-buffer gnus-article-buffer)
6529 (gnus-kill-buffer gnus-original-article-buffer)
6530 (setq gnus-article-current nil))
6532 (if (not gnus-kill-summary-on-exit)
6534 (gnus-deaden-summary)
6536 ;; We set all buffer-local variables to nil. It is unclear why
6537 ;; this is needed, but if we don't, buffer-local variables are
6538 ;; not garbage-collected, it seems. This would the lead to en
6539 ;; ever-growing Emacs.
6540 (gnus-summary-clear-local-variables)
6541 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6542 (gnus-summary-clear-local-variables))
6543 (when (get-buffer gnus-article-buffer)
6544 (bury-buffer gnus-article-buffer))
6545 ;; We clear the global counterparts of the buffer-local
6546 ;; variables as well, just to be on the safe side.
6547 (set-buffer gnus-group-buffer)
6548 (gnus-summary-clear-local-variables)
6549 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6550 (gnus-summary-clear-local-variables))
6551 ;; Return to group mode buffer.
6552 (when (eq mode 'gnus-summary-mode)
6553 (gnus-kill-buffer buf)))
6554 (setq gnus-current-select-method gnus-select-method)
6556 (set-buffer gnus-group-buffer)
6557 (pop-to-buffer gnus-group-buffer))
6558 (if (not quit-config)
6560 (goto-char group-point)
6561 (unless leave-hidden
6562 (gnus-configure-windows 'group 'force)))
6563 (gnus-handle-ephemeral-exit quit-config))
6564 ;; Clear the current group name.
6566 (setq gnus-newsgroup-name nil)))))
6568 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
6569 (defun gnus-summary-exit-no-update (&optional no-questions)
6570 "Quit reading current newsgroup without updating read article info."
6572 (let* ((group gnus-newsgroup-name)
6573 (gnus-group-is-exiting-p t)
6574 (gnus-group-is-exiting-without-update-p t)
6575 (quit-config (gnus-group-quit-config group)))
6576 (when (or no-questions
6578 (gnus-y-or-n-p "Discard changes to this group and exit? "))
6579 (gnus-async-halt-prefetch)
6580 (run-hooks 'gnus-summary-prepare-exit-hook)
6581 (when (gnus-buffer-live-p gnus-article-buffer)
6583 (set-buffer gnus-article-buffer)
6584 (mm-destroy-parts gnus-article-mime-handles)
6585 ;; Set it to nil for safety reason.
6586 (setq gnus-article-mime-handle-alist nil)
6587 (setq gnus-article-mime-handles nil)))
6588 ;; If we have several article buffers, we kill them at exit.
6589 (unless gnus-single-article-buffer
6590 (gnus-kill-buffer gnus-article-buffer)
6591 (gnus-kill-buffer gnus-original-article-buffer)
6592 (setq gnus-article-current nil))
6593 (if (not gnus-kill-summary-on-exit)
6594 (gnus-deaden-summary)
6595 (gnus-close-group group)
6596 (gnus-summary-clear-local-variables)
6597 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6598 (gnus-summary-clear-local-variables))
6599 (set-buffer gnus-group-buffer)
6600 (gnus-summary-clear-local-variables)
6601 (let ((gnus-summary-local-variables gnus-newsgroup-variables))
6602 (gnus-summary-clear-local-variables))
6603 (gnus-kill-buffer gnus-summary-buffer))
6604 (unless gnus-single-article-buffer
6605 (setq gnus-article-current nil))
6606 (when gnus-use-trees
6607 (gnus-tree-close group))
6608 (gnus-async-prefetch-remove-group group)
6609 (when (get-buffer gnus-article-buffer)
6610 (bury-buffer gnus-article-buffer))
6611 ;; Return to the group buffer.
6612 (gnus-configure-windows 'group 'force)
6613 ;; Clear the current group name.
6614 (setq gnus-newsgroup-name nil)
6615 (unless (gnus-ephemeral-group-p group)
6616 (gnus-group-update-group group))
6617 (when (equal (gnus-group-group-name) group)
6618 (gnus-group-next-unread-group 1))
6620 (gnus-handle-ephemeral-exit quit-config)))))
6622 (defun gnus-handle-ephemeral-exit (quit-config)
6623 "Handle movement when leaving an ephemeral group.
6624 The state which existed when entering the ephemeral is reset."
6625 (if (not (buffer-name (car quit-config)))
6626 (gnus-configure-windows 'group 'force)
6627 (set-buffer (car quit-config))
6628 (cond ((eq major-mode 'gnus-summary-mode)
6629 (gnus-set-global-variables))
6630 ((eq major-mode 'gnus-article-mode)
6632 ;; The `gnus-summary-buffer' variable may point
6633 ;; to the old summary buffer when using a single
6635 (unless (gnus-buffer-live-p gnus-summary-buffer)
6636 (set-buffer gnus-group-buffer))
6637 (set-buffer gnus-summary-buffer)
6638 (gnus-set-global-variables))))
6639 (if (or (eq (cdr quit-config) 'article)
6640 (eq (cdr quit-config) 'pick))
6642 ;; The current article may be from the ephemeral group
6643 ;; thus it is best that we reload this article
6645 ;; If we're exiting from a large digest, this can be
6646 ;; extremely slow. So, it's better not to reload it. -- jh.
6647 ;;(gnus-summary-show-article)
6648 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
6649 (gnus-configure-windows 'pick 'force)
6650 (gnus-configure-windows (cdr quit-config) 'force)))
6651 (gnus-configure-windows (cdr quit-config) 'force))
6652 (when (eq major-mode 'gnus-summary-mode)
6653 (gnus-summary-next-subject 1 nil t)
6654 (gnus-summary-recenter)
6655 (gnus-summary-position-point))))
6659 (defvar gnus-dead-summary-mode-map nil)
6661 (unless gnus-dead-summary-mode-map
6662 (setq gnus-dead-summary-mode-map (make-keymap))
6663 (suppress-keymap gnus-dead-summary-mode-map)
6664 (substitute-key-definition
6665 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
6666 (dolist (key '("\C-d" "\r" "\177" [delete]))
6667 (define-key gnus-dead-summary-mode-map
6668 key 'gnus-summary-wake-up-the-dead))
6669 (dolist (key '("q" "Q"))
6670 (define-key gnus-dead-summary-mode-map key 'bury-buffer)))
6672 (defvar gnus-dead-summary-mode nil
6673 "Minor mode for Gnus summary buffers.")
6675 (defun gnus-dead-summary-mode (&optional arg)
6676 "Minor mode for Gnus summary buffers."
6678 (when (eq major-mode 'gnus-summary-mode)
6679 (make-local-variable 'gnus-dead-summary-mode)
6680 (setq gnus-dead-summary-mode
6681 (if (null arg) (not gnus-dead-summary-mode)
6682 (> (prefix-numeric-value arg) 0)))
6683 (when gnus-dead-summary-mode
6684 (gnus-add-minor-mode
6685 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
6687 (defun gnus-deaden-summary ()
6688 "Make the current summary buffer into a dead summary buffer."
6689 ;; Kill any previous dead summary buffer.
6690 (when (and gnus-dead-summary
6691 (buffer-name gnus-dead-summary))
6693 (set-buffer gnus-dead-summary)
6694 (when gnus-dead-summary-mode
6695 (kill-buffer (current-buffer)))))
6696 ;; Make this the current dead summary.
6697 (setq gnus-dead-summary (current-buffer))
6698 (gnus-dead-summary-mode 1)
6699 (let ((name (buffer-name)))
6700 (when (string-match "Summary" name)
6702 (concat (substring name 0 (match-beginning 0)) "Dead "
6703 (substring name (match-beginning 0)))
6707 (defun gnus-kill-or-deaden-summary (buffer)
6708 "Kill or deaden the summary BUFFER."
6710 (when (and (buffer-name buffer)
6711 (not gnus-single-article-buffer))
6714 (gnus-kill-buffer gnus-article-buffer)
6715 (gnus-kill-buffer gnus-original-article-buffer)))
6718 (gnus-kill-summary-on-exit
6719 (when (and gnus-use-trees
6720 (gnus-buffer-exists-p buffer))
6723 (gnus-tree-close gnus-newsgroup-name)))
6724 (gnus-kill-buffer buffer))
6725 ;; Deaden the buffer.
6726 ((gnus-buffer-exists-p buffer)
6729 (gnus-deaden-summary))))))
6731 (defun gnus-summary-wake-up-the-dead (&rest args)
6732 "Wake up the dead summary buffer."
6734 (gnus-dead-summary-mode -1)
6735 (let ((name (buffer-name)))
6736 (when (string-match "Dead " name)
6738 (concat (substring name 0 (match-beginning 0))
6739 (substring name (match-end 0)))
6741 (gnus-message 3 "This dead summary is now alive again"))
6743 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
6744 (defun gnus-summary-fetch-faq (&optional faq-dir)
6745 "Fetch the FAQ for the current group.
6746 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
6750 (when current-prefix-arg
6752 "FAQ dir: " (and (listp gnus-group-faq-directory)
6753 (mapcar (lambda (file) (list file))
6754 gnus-group-faq-directory))))))
6755 (let (gnus-faq-buffer)
6756 (when (setq gnus-faq-buffer
6757 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
6758 (gnus-configure-windows 'summary-faq))))
6760 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
6761 (defun gnus-summary-describe-group (&optional force)
6762 "Describe the current newsgroup."
6764 (gnus-group-describe-group force gnus-newsgroup-name))
6766 (defun gnus-summary-describe-briefly ()
6767 "Describe summary mode commands briefly."
6769 (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")))
6771 ;; Walking around group mode buffer from summary mode.
6773 (defun gnus-summary-next-group (&optional no-article target-group backward)
6774 "Exit current newsgroup and then select next unread newsgroup.
6775 If prefix argument NO-ARTICLE is non-nil, no article is selected
6776 initially. If TARGET-GROUP, go to this group. If BACKWARD, go to
6777 previous group instead."
6779 ;; Stop pre-fetching.
6780 (gnus-async-halt-prefetch)
6781 (let ((current-group gnus-newsgroup-name)
6782 (current-buffer (current-buffer))
6784 ;; First we semi-exit this group to update Xrefs and all variables.
6785 ;; We can't do a real exit, because the window conf must remain
6786 ;; the same in case the user is prompted for info, and we don't
6787 ;; want the window conf to change before that...
6788 (gnus-summary-exit t)
6789 (while (not entered)
6790 ;; Then we find what group we are supposed to enter.
6791 (set-buffer gnus-group-buffer)
6792 (gnus-group-jump-to-group current-group)
6795 (if (eq gnus-keep-same-level 'best)
6796 (gnus-summary-best-group gnus-newsgroup-name)
6797 (gnus-summary-search-group backward gnus-keep-same-level))))
6798 (if (not target-group)
6799 ;; There are no further groups, so we return to the group
6802 (gnus-message 5 "Returning to the group buffer")
6804 (when (gnus-buffer-live-p current-buffer)
6805 (set-buffer current-buffer)
6806 (gnus-summary-exit))
6807 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
6808 ;; We try to enter the target group.
6809 (gnus-group-jump-to-group target-group)
6810 (let ((unreads (gnus-group-group-unread)))
6811 (if (and (or (eq t unreads)
6812 (and unreads (not (zerop unreads))))
6813 (gnus-summary-read-group
6814 target-group nil no-article
6815 (and (buffer-name current-buffer) current-buffer)
6818 (setq current-group target-group
6819 target-group nil)))))))
6821 (defun gnus-summary-prev-group (&optional no-article)
6822 "Exit current newsgroup and then select previous unread newsgroup.
6823 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
6825 (gnus-summary-next-group no-article nil t))
6827 ;; Walking around summary lines.
6829 (defun gnus-summary-first-subject (&optional unread undownloaded unseen)
6830 "Go to the first subject satisfying any non-nil constraint.
6831 If UNREAD is non-nil, the article should be unread.
6832 If UNDOWNLOADED is non-nil, the article should be undownloaded.
6833 If UNSEEN is non-nil, the article should be unseen.
6834 Returns the article selected or nil if there are no matching articles."
6838 ((null gnus-newsgroup-data)
6839 (gnus-message 3 "No articles in the group")
6841 ;; Pick the first article.
6842 ((not (or unread undownloaded unseen))
6843 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
6844 (gnus-data-number (car gnus-newsgroup-data)))
6845 ;; Find the first unread article.
6847 (let ((data gnus-newsgroup-data))
6849 (let ((num (gnus-data-number (car data))))
6850 (or (memq num gnus-newsgroup-unfetched)
6851 (not (or (and unread
6852 (memq num gnus-newsgroup-unreads))
6854 (memq num gnus-newsgroup-undownloaded))
6856 (memq num gnus-newsgroup-unseen)))))))
6857 (setq data (cdr data)))
6861 (goto-char (gnus-data-pos (car data)))
6862 (gnus-data-number (car data)))
6863 (gnus-message 3 "No more%s articles"
6864 (let* ((r (when unread " unread"))
6865 (d (when undownloaded " undownloaded"))
6866 (s (when unseen " unseen"))
6867 (l (delq nil (list r d s))))
6868 (cond ((= 3 (length l))
6869 (concat r "," d ", or" s))
6871 (concat (car l) ", or" (cadr l)))
6878 (gnus-summary-position-point))))))
6880 (defun gnus-summary-next-subject (n &optional unread dont-display)
6881 "Go to next N'th summary line.
6882 If N is negative, go to the previous N'th subject line.
6883 If UNREAD is non-nil, only unread articles are selected.
6884 The difference between N and the actual number of steps taken is
6887 (let ((backward (< n 0))
6891 (gnus-summary-find-prev unread)
6892 (gnus-summary-find-next unread)))
6893 (unless (zerop (setq n (1- n)))
6894 (gnus-summary-show-thread)))
6896 (gnus-message 7 "No more%s articles"
6897 (if unread " unread" "")))
6898 (unless dont-display
6899 (gnus-summary-recenter)
6900 (gnus-summary-position-point))
6903 (defun gnus-summary-next-unread-subject (n)
6904 "Go to next N'th unread summary line."
6906 (gnus-summary-next-subject n t))
6908 (defun gnus-summary-prev-subject (n &optional unread)
6909 "Go to previous N'th summary line.
6910 If optional argument UNREAD is non-nil, only unread article is selected."
6912 (gnus-summary-next-subject (- n) unread))
6914 (defun gnus-summary-prev-unread-subject (n)
6915 "Go to previous N'th unread summary line."
6917 (gnus-summary-next-subject (- n) t))
6919 (defun gnus-summary-goto-subjects (articles)
6920 "Insert the subject header for ARTICLES in the current buffer."
6922 (dolist (article articles)
6923 (gnus-summary-goto-subject article t)))
6924 (gnus-summary-limit (append articles gnus-newsgroup-limit))
6925 (gnus-summary-position-point))
6927 (defun gnus-summary-goto-subject (article &optional force silent)
6928 "Go the subject line of ARTICLE.
6929 If FORCE, also allow jumping to articles not currently shown."
6930 (interactive "nArticle number: ")
6931 (unless (numberp article)
6932 (error "Article %s is not a number" article))
6934 (data (gnus-data-find article)))
6935 ;; We read in the article if we have to.
6938 (gnus-summary-insert-subject
6940 (if (or (numberp force) (vectorp force)) force)
6942 (setq data (gnus-data-find article)))
6947 (gnus-message 3 "Can't find article %d" article))
6949 (let ((pt (gnus-data-pos data)))
6951 (gnus-summary-set-article-display-arrow pt))
6952 (gnus-summary-position-point)
6955 ;; Walking around summary lines with displaying articles.
6957 (defun gnus-summary-expand-window (&optional arg)
6958 "Make the summary buffer take up the entire Emacs frame.
6959 Given a prefix, will force an `article' buffer configuration."
6962 (gnus-configure-windows 'article 'force)
6963 (gnus-configure-windows 'summary 'force)))
6965 (defun gnus-summary-display-article (article &optional all-header)
6966 "Display ARTICLE in article buffer."
6967 (when (gnus-buffer-live-p gnus-article-buffer)
6968 (with-current-buffer gnus-article-buffer
6969 (mm-enable-multibyte)))
6970 (gnus-set-global-variables)
6971 (when (gnus-buffer-live-p gnus-article-buffer)
6972 (with-current-buffer gnus-article-buffer
6973 (setq gnus-article-charset gnus-newsgroup-charset)
6974 (setq gnus-article-ignored-charsets gnus-newsgroup-ignored-charsets)
6975 (mm-enable-multibyte)))
6979 (if gnus-summary-display-article-function
6980 (funcall gnus-summary-display-article-function article all-header)
6981 (gnus-article-prepare article all-header))
6982 (gnus-run-hooks 'gnus-select-article-hook)
6983 (when (and gnus-current-article
6984 (not (zerop gnus-current-article)))
6985 (gnus-summary-goto-subject gnus-current-article))
6986 (gnus-summary-recenter)
6987 (when (and gnus-use-trees gnus-show-threads)
6988 (gnus-possibly-generate-tree article)
6989 (gnus-highlight-selected-tree article))
6990 ;; Successfully display article.
6991 (gnus-article-set-window-start
6992 (cdr (assq article gnus-newsgroup-bookmarks))))))
6994 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
6995 "Select the current article.
6996 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
6997 non-nil, the article will be re-fetched even if it already present in
6998 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
7000 ;; Make sure we are in the summary buffer to work around bbdb bug.
7001 (unless (eq major-mode 'gnus-summary-mode)
7002 (set-buffer gnus-summary-buffer))
7003 (let ((article (or article (gnus-summary-article-number)))
7004 (all-headers (not (not all-headers))) ;Must be t or nil.
7005 gnus-summary-display-article-function)
7007 (gnus-summary-article-pseudo-p article)
7008 (error "This is a pseudo-article"))
7010 (set-buffer gnus-summary-buffer)
7011 (if (or (and gnus-single-article-buffer
7012 (or (null gnus-current-article)
7013 (null gnus-article-current)
7014 (null (get-buffer gnus-article-buffer))
7015 (not (eq article (cdr gnus-article-current)))
7016 (not (equal (car gnus-article-current)
7017 gnus-newsgroup-name))))
7018 (and (not gnus-single-article-buffer)
7019 (or (null gnus-current-article)
7020 (not (eq gnus-current-article article))))
7022 ;; The requested article is different from the current article.
7024 (gnus-summary-display-article article all-headers)
7025 (when (gnus-buffer-live-p gnus-article-buffer)
7026 (with-current-buffer gnus-article-buffer
7027 (if (not gnus-article-decoded-p) ;; a local variable
7028 (mm-disable-multibyte))))
7029 (gnus-article-set-window-start
7030 (cdr (assq article gnus-newsgroup-bookmarks)))
7034 (defun gnus-summary-force-verify-and-decrypt ()
7035 "Display buttons for signed/encrypted parts and verify/decrypt them."
7037 (let ((mm-verify-option 'known)
7038 (mm-decrypt-option 'known)
7039 (gnus-article-emulate-mime t)
7040 (gnus-buttonized-mime-types (append (list "multipart/signed"
7041 "multipart/encrypted")
7042 gnus-buttonized-mime-types)))
7043 (gnus-summary-select-article nil 'force)))
7045 (defun gnus-summary-set-current-mark (&optional current-mark)
7046 "Obsolete function."
7049 (defun gnus-summary-next-article (&optional unread subject backward push)
7050 "Select the next article.
7051 If UNREAD, only unread articles are selected.
7052 If SUBJECT, only articles with SUBJECT are selected.
7053 If BACKWARD, the previous article is selected instead of the next."
7056 ;; Is there such an article?
7057 ((and (gnus-summary-search-forward unread subject backward)
7058 (or (gnus-summary-display-article (gnus-summary-article-number))
7059 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
7060 (gnus-summary-position-point))
7061 ;; If not, we try the first unread, if that is wanted.
7063 gnus-auto-select-same
7064 (gnus-summary-first-unread-article))
7065 (gnus-summary-position-point)
7066 (gnus-message 6 "Wrapped"))
7067 ;; Try to get next/previous article not displayed in this group.
7068 ((and gnus-auto-extend-newsgroup
7069 (not unread) (not subject))
7070 (gnus-summary-goto-article
7071 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
7072 nil (count-lines (point-min) (point))))
7073 ;; Go to next/previous group.
7075 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
7076 (gnus-summary-jump-to-group gnus-newsgroup-name))
7077 (let ((cmd last-command-char)
7080 (set-buffer gnus-group-buffer)
7083 (if (eq gnus-keep-same-level 'best)
7084 (gnus-summary-best-group gnus-newsgroup-name)
7085 (gnus-summary-search-group backward gnus-keep-same-level))))
7086 ;; For some reason, the group window gets selected. We change
7088 (select-window (get-buffer-window (current-buffer)))
7089 ;; Select next unread newsgroup automagically.
7091 ((or (not gnus-auto-select-next)
7093 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
7094 ((or (eq gnus-auto-select-next 'quietly)
7095 (and (eq gnus-auto-select-next 'slightly-quietly)
7097 (and (eq gnus-auto-select-next 'almost-quietly)
7098 (gnus-summary-last-article-p)))
7100 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
7102 (gnus-message 7 "No more%s articles (%s)..."
7103 (if unread " unread" "")
7104 (if group (concat "selecting " group)
7106 (gnus-summary-next-group nil group backward)))
7108 (when (gnus-key-press-event-p last-input-event)
7109 (gnus-summary-walk-group-buffer
7110 gnus-newsgroup-name cmd unread backward point))))))))
7112 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
7113 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
7114 (?\C-p (gnus-group-prev-unread-group 1))))
7115 (cursor-in-echo-area t)
7116 keve key group ended prompt)
7118 (set-buffer gnus-group-buffer)
7121 (if (eq gnus-keep-same-level 'best)
7122 (gnus-summary-best-group gnus-newsgroup-name)
7123 (gnus-summary-search-group backward gnus-keep-same-level))))
7127 "No more%s articles%s " (if unread " unread" "")
7129 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
7130 (format " (Type %s for %s [%s])"
7131 (single-key-description cmd) group
7132 (car (gnus-gethash group gnus-newsrc-hashtb)))
7133 (format " (Type %s to exit %s)"
7134 (single-key-description cmd)
7135 gnus-newsgroup-name))))
7136 ;; Confirm auto selection.
7137 (setq key (car (setq keve (gnus-read-event-char prompt)))
7140 ((assq key keystrokes)
7141 (let ((obuf (current-buffer)))
7142 (switch-to-buffer gnus-group-buffer)
7144 (gnus-group-jump-to-group group))
7145 (eval (cadr (assq key keystrokes)))
7146 (setq group (gnus-group-group-name))
7147 (switch-to-buffer obuf))
7151 (gnus-ephemeral-group-p gnus-newsgroup-name))
7153 (gnus-summary-next-group nil group backward)))
7155 (push (cdr keve) unread-command-events))))))
7157 (defun gnus-summary-next-unread-article ()
7158 "Select unread article after current one."
7160 (gnus-summary-next-article
7161 (or (not (eq gnus-summary-goto-unread 'never))
7162 (gnus-summary-last-article-p (gnus-summary-article-number)))
7163 (and gnus-auto-select-same
7164 (gnus-summary-article-subject))))
7166 (defun gnus-summary-prev-article (&optional unread subject)
7167 "Select the article after the current one.
7168 If UNREAD is non-nil, only unread articles are selected."
7170 (gnus-summary-next-article unread subject t))
7172 (defun gnus-summary-prev-unread-article ()
7173 "Select unread article before current one."
7175 (gnus-summary-prev-article
7176 (or (not (eq gnus-summary-goto-unread 'never))
7177 (gnus-summary-first-article-p (gnus-summary-article-number)))
7178 (and gnus-auto-select-same
7179 (gnus-summary-article-subject))))
7181 (defun gnus-summary-next-page (&optional lines circular stop)
7182 "Show next page of the selected article.
7183 If at the end of the current article, select the next article.
7184 LINES says how many lines should be scrolled up.
7186 If CIRCULAR is non-nil, go to the start of the article instead of
7187 selecting the next article when reaching the end of the current
7190 If STOP is non-nil, just stop when reaching the end of the message.
7192 Also see the variable `gnus-article-skip-boring'."
7194 (setq gnus-summary-buffer (current-buffer))
7195 (gnus-set-global-variables)
7196 (let ((article (gnus-summary-article-number))
7197 (article-window (get-buffer-window gnus-article-buffer t))
7199 ;; If the buffer is empty, we have no article.
7201 (error "No article to select"))
7202 (gnus-configure-windows 'article)
7203 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
7204 (if (and (eq gnus-summary-goto-unread 'never)
7205 (not (gnus-summary-last-article-p article)))
7206 (gnus-summary-next-article)
7207 (gnus-summary-next-unread-article))
7208 (if (or (null gnus-current-article)
7209 (null gnus-article-current)
7210 (/= article (cdr gnus-article-current))
7211 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7212 ;; Selected subject is different from current article's.
7213 (gnus-summary-display-article article)
7214 (when article-window
7215 (gnus-eval-in-buffer-window gnus-article-buffer
7216 (setq endp (or (gnus-article-next-page lines)
7217 (gnus-article-only-boring-p))))
7220 (gnus-message 3 "End of message"))
7222 (gnus-summary-beginning-of-article))
7224 (gnus-message 3 "End of message"))
7226 (if (and (eq gnus-summary-goto-unread 'never)
7227 (not (gnus-summary-last-article-p article)))
7228 (gnus-summary-next-article)
7229 (gnus-summary-next-unread-article))))))))
7230 (gnus-summary-recenter)
7231 (gnus-summary-position-point)))
7233 (defun gnus-summary-prev-page (&optional lines move)
7234 "Show previous page of selected article.
7235 Argument LINES specifies lines to be scrolled down.
7236 If MOVE, move to the previous unread article if point is at
7237 the beginning of the buffer."
7239 (let ((article (gnus-summary-article-number))
7240 (article-window (get-buffer-window gnus-article-buffer t))
7242 (gnus-configure-windows 'article)
7243 (if (or (null gnus-current-article)
7244 (null gnus-article-current)
7245 (/= article (cdr gnus-article-current))
7246 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
7247 ;; Selected subject is different from current article's.
7248 (gnus-summary-display-article article)
7249 (gnus-summary-recenter)
7250 (when article-window
7251 (gnus-eval-in-buffer-window gnus-article-buffer
7252 (setq endp (gnus-article-prev-page lines)))
7253 (when (and move endp)
7255 (gnus-message 3 "Beginning of message"))
7257 (if (and (eq gnus-summary-goto-unread 'never)
7258 (not (gnus-summary-first-article-p article)))
7259 (gnus-summary-prev-article)
7260 (gnus-summary-prev-unread-article))))))))
7261 (gnus-summary-position-point))
7263 (defun gnus-summary-prev-page-or-article (&optional lines)
7264 "Show previous page of selected article.
7265 Argument LINES specifies lines to be scrolled down.
7266 If at the beginning of the article, go to the next article."
7268 (gnus-summary-prev-page lines t))
7270 (defun gnus-summary-scroll-up (lines)
7271 "Scroll up (or down) one line current article.
7272 Argument LINES specifies lines to be scrolled up (or down if negative)."
7274 (gnus-configure-windows 'article)
7275 (gnus-summary-show-thread)
7276 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
7277 (gnus-eval-in-buffer-window gnus-article-buffer
7279 (when (gnus-article-next-page lines)
7280 (gnus-message 3 "End of message")))
7282 (gnus-article-prev-page (- lines))))))
7283 (gnus-summary-recenter)
7284 (gnus-summary-position-point))
7286 (defun gnus-summary-scroll-down (lines)
7287 "Scroll down (or up) one line current article.
7288 Argument LINES specifies lines to be scrolled down (or up if negative)."
7290 (gnus-summary-scroll-up (- lines)))
7292 (defun gnus-summary-next-same-subject ()
7293 "Select next article which has the same subject as current one."
7295 (gnus-summary-next-article nil (gnus-summary-article-subject)))
7297 (defun gnus-summary-prev-same-subject ()
7298 "Select previous article which has the same subject as current one."
7300 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
7302 (defun gnus-summary-next-unread-same-subject ()
7303 "Select next unread article which has the same subject as current one."
7305 (gnus-summary-next-article t (gnus-summary-article-subject)))
7307 (defun gnus-summary-prev-unread-same-subject ()
7308 "Select previous unread article which has the same subject as current one."
7310 (gnus-summary-prev-article t (gnus-summary-article-subject)))
7312 (defun gnus-summary-first-unread-article ()
7313 "Select the first unread article.
7314 Return nil if there are no unread articles."
7317 (when (gnus-summary-first-subject t)
7318 (gnus-summary-show-thread)
7319 (gnus-summary-first-subject t)
7320 (gnus-summary-display-article (gnus-summary-article-number)))
7321 (gnus-summary-position-point)))
7323 (defun gnus-summary-first-unread-subject ()
7324 "Place the point on the subject line of the first unread article.
7325 Return nil if there are no unread articles."
7328 (when (gnus-summary-first-subject t)
7329 (gnus-summary-show-thread)
7330 (gnus-summary-first-subject t))
7331 (gnus-summary-position-point)))
7333 (defun gnus-summary-first-unseen-subject ()
7334 "Place the point on the subject line of the first unseen article.
7335 Return nil if there are no unseen articles."
7338 (when (gnus-summary-first-subject nil nil t)
7339 (gnus-summary-show-thread)
7340 (gnus-summary-first-subject nil nil t))
7341 (gnus-summary-position-point)))
7343 (defun gnus-summary-first-unseen-or-unread-subject ()
7344 "Place the point on the subject line of the first unseen article or,
7345 if all article have been seen, on the subject line of the first unread
7349 (unless (when (gnus-summary-first-subject nil nil t)
7350 (gnus-summary-show-thread)
7351 (gnus-summary-first-subject nil nil t))
7352 (when (gnus-summary-first-subject t)
7353 (gnus-summary-show-thread)
7354 (gnus-summary-first-subject t)))
7355 (gnus-summary-position-point)))
7357 (defun gnus-summary-first-article ()
7358 "Select the first article.
7359 Return nil if there are no articles."
7362 (when (gnus-summary-first-subject)
7363 (gnus-summary-show-thread)
7364 (gnus-summary-first-subject)
7365 (gnus-summary-display-article (gnus-summary-article-number)))
7366 (gnus-summary-position-point)))
7368 (defun gnus-summary-best-unread-article (&optional arg)
7369 "Select the unread article with the highest score.
7370 If given a prefix argument, select the next unread article that has a
7371 score higher than the default score."
7373 (let ((article (if arg
7374 (gnus-summary-better-unread-subject)
7375 (gnus-summary-best-unread-subject))))
7377 (gnus-summary-goto-article article)
7378 (error "No unread articles"))))
7380 (defun gnus-summary-best-unread-subject ()
7381 "Select the unread subject with the highest score."
7383 (let ((best -1000000)
7384 (data gnus-newsgroup-data)
7387 (and (gnus-data-unread-p (car data))
7389 (gnus-summary-article-score (gnus-data-number (car data))))
7392 article (gnus-data-number (car data))))
7393 (setq data (cdr data)))
7395 (gnus-summary-goto-subject article))
7396 (gnus-summary-position-point)
7399 (defun gnus-summary-better-unread-subject ()
7400 "Select the first unread subject that has a score over the default score."
7402 (let ((data gnus-newsgroup-data)
7404 (while (and (setq article (gnus-data-number (car data)))
7405 (or (gnus-data-read-p (car data))
7406 (not (> (gnus-summary-article-score article)
7407 gnus-summary-default-score))))
7408 (setq data (cdr data)))
7410 (gnus-summary-goto-subject article))
7411 (gnus-summary-position-point)
7414 (defun gnus-summary-last-subject ()
7415 "Go to the last displayed subject line in the group."
7416 (let ((article (gnus-data-number (car (gnus-data-list t)))))
7418 (gnus-summary-goto-subject article))))
7420 (defun gnus-summary-goto-article (article &optional all-headers force)
7421 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
7422 If ALL-HEADERS is non-nil, no header lines are hidden.
7423 If FORCE, go to the article even if it isn't displayed. If FORCE
7424 is a number, it is the line the article is to be displayed on."
7428 "Article number or Message-ID: "
7429 (mapcar (lambda (number) (list (int-to-string number)))
7430 gnus-newsgroup-limit))
7434 (if (and (stringp article)
7435 (string-match "@" article))
7436 (gnus-summary-refer-article article)
7437 (when (stringp article)
7438 (setq article (string-to-number article)))
7439 (if (gnus-summary-goto-subject article force)
7440 (gnus-summary-display-article article all-headers)
7441 (gnus-message 4 "Couldn't go to article %s" article) nil))
7442 (gnus-summary-position-point)))
7444 (defun gnus-summary-goto-last-article ()
7445 "Go to the previously read article."
7448 (when gnus-last-article
7449 (gnus-summary-goto-article gnus-last-article nil t))
7450 (gnus-summary-position-point)))
7452 (defun gnus-summary-pop-article (number)
7453 "Pop one article off the history and go to the previous.
7454 NUMBER articles will be popped off."
7457 (setq gnus-newsgroup-history
7458 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
7460 (gnus-summary-goto-article (car to) nil t)
7461 (error "Article history empty")))
7462 (gnus-summary-position-point))
7464 ;; Summary commands and functions for limiting the summary buffer.
7466 (defun gnus-summary-limit-to-articles (n)
7467 "Limit the summary buffer to the next N articles.
7468 If not given a prefix, use the process marked articles instead."
7471 (let ((articles (gnus-summary-work-articles n)))
7472 (setq gnus-newsgroup-processable nil)
7473 (gnus-summary-limit articles))
7474 (gnus-summary-position-point)))
7476 (defun gnus-summary-pop-limit (&optional total)
7477 "Restore the previous limit.
7478 If given a prefix, remove all limits."
7481 (setq gnus-newsgroup-limits
7482 (list (mapcar (lambda (h) (mail-header-number h))
7483 gnus-newsgroup-headers))))
7484 (unless gnus-newsgroup-limits
7485 (error "No limit to pop"))
7487 (gnus-summary-limit nil 'pop)
7488 (gnus-summary-position-point)))
7490 (defun gnus-summary-limit-to-subject (subject &optional header not-matching)
7491 "Limit the summary buffer to articles that have subjects that match a regexp.
7492 If NOT-MATCHING, excluding articles that have subjects that match a regexp."
7494 (list (read-string (if current-prefix-arg
7495 "Exclude subject (regexp): "
7496 "Limit to subject (regexp): "))
7497 nil current-prefix-arg))
7499 (setq header "subject"))
7500 (when (not (equal "" subject))
7502 (let ((articles (gnus-summary-find-matching
7503 (or header "subject") subject 'all nil nil
7506 (error "Found no matches for \"%s\"" subject))
7507 (gnus-summary-limit articles))
7508 (gnus-summary-position-point))))
7510 (defun gnus-summary-limit-to-author (from &optional not-matching)
7511 "Limit the summary buffer to articles that have authors that match a regexp.
7512 If NOT-MATCHING, excluding articles that have authors that match a regexp."
7514 (list (read-string (if current-prefix-arg
7515 "Exclude author (regexp): "
7516 "Limit to author (regexp): "))
7517 current-prefix-arg))
7518 (gnus-summary-limit-to-subject from "from" not-matching))
7520 (defun gnus-summary-limit-to-age (age &optional younger-p)
7521 "Limit the summary buffer to articles that are older than (or equal) AGE days.
7522 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
7523 articles that are younger than AGE days."
7525 (let ((younger current-prefix-arg)
7528 (while (not days-got)
7529 (setq days (if younger
7530 (read-string "Limit to articles younger than (in days, older when negative): ")
7532 "Limit to articles older than (in days, younger when negative): ")))
7533 (when (> (length days) 0)
7534 (setq days (read days)))
7540 (setq younger (not younger))
7541 (setq days (* days -1)))))
7542 (message "Please enter a number.")
7544 (list days younger)))
7546 (let ((data gnus-newsgroup-data)
7547 (cutoff (days-to-time age))
7548 articles d date is-younger)
7549 (while (setq d (pop data))
7550 (when (and (vectorp (gnus-data-header d))
7551 (setq date (mail-header-date (gnus-data-header d))))
7552 (setq is-younger (time-less-p
7553 (time-since (condition-case ()
7560 (push (gnus-data-number d) articles))))
7561 (gnus-summary-limit (nreverse articles)))
7562 (gnus-summary-position-point)))
7564 (defun gnus-summary-limit-to-extra (header regexp &optional not-matching)
7565 "Limit the summary buffer to articles that match an 'extra' header."
7569 (gnus-completing-read-with-default
7570 (symbol-name (car gnus-extra-headers))
7571 (if current-prefix-arg
7572 "Exclude extra header:"
7573 "Limit extra header:")
7575 (cons (symbol-name x) x))
7580 (read-string (format "%s header %s (regexp): "
7581 (if current-prefix-arg "Exclude" "Limit to")
7583 current-prefix-arg)))
7584 (when (not (equal "" regexp))
7586 (let ((articles (gnus-summary-find-matching
7587 (cons 'extra header) regexp 'all nil nil
7590 (error "Found no matches for \"%s\"" regexp))
7591 (gnus-summary-limit articles))
7592 (gnus-summary-position-point))))
7594 (defun gnus-summary-limit-to-display-predicate ()
7595 "Limit the summary buffer to the predicated in the `display' group parameter."
7597 (unless gnus-newsgroup-display
7598 (error "There is no `display' group parameter"))
7600 (dolist (number gnus-newsgroup-articles)
7601 (when (funcall gnus-newsgroup-display)
7602 (push number articles)))
7603 (gnus-summary-limit articles))
7604 (gnus-summary-position-point))
7606 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7608 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
7610 (defun gnus-summary-limit-to-unread (&optional all)
7611 "Limit the summary buffer to articles that are not marked as read.
7612 If ALL is non-nil, limit strictly to unread articles."
7615 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
7616 (gnus-summary-limit-to-marks
7617 ;; Concat all the marks that say that an article is read and have
7619 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
7620 gnus-killed-mark gnus-spam-mark gnus-kill-file-mark
7621 gnus-low-score-mark gnus-expirable-mark
7622 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
7623 gnus-duplicate-mark gnus-souped-mark)
7626 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
7627 (make-obsolete 'gnus-summary-delete-marked-with
7628 'gnus-summary-limit-exclude-marks)
7630 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
7631 "Exclude articles that are marked with MARKS (e.g. \"DK\").
7632 If REVERSE, limit the summary buffer to articles that are marked
7633 with MARKS. MARKS can either be a string of marks or a list of marks.
7634 Returns how many articles were removed."
7635 (interactive "sMarks: ")
7636 (gnus-summary-limit-to-marks marks t))
7638 (defun gnus-summary-limit-to-marks (marks &optional reverse)
7639 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
7640 If REVERSE (the prefix), limit the summary buffer to articles that are
7641 not marked with MARKS. MARKS can either be a string of marks or a
7643 Returns how many articles were removed."
7644 (interactive "sMarks: \nP")
7646 (let ((data gnus-newsgroup-data)
7647 (marks (if (listp marks) marks
7648 (append marks nil))) ; Transform to list.
7651 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
7652 (memq (gnus-data-mark (car data)) marks))
7653 (push (gnus-data-number (car data)) articles))
7654 (setq data (cdr data)))
7655 (gnus-summary-limit articles))
7656 (gnus-summary-position-point)))
7658 (defun gnus-summary-limit-to-score (score)
7659 "Limit to articles with score at or above SCORE."
7660 (interactive "NLimit to articles with score of at least: ")
7661 (let ((data gnus-newsgroup-data)
7664 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
7666 (push (gnus-data-number (car data)) articles))
7667 (setq data (cdr data)))
7669 (gnus-summary-limit articles)
7670 (gnus-summary-position-point))))
7672 (defun gnus-summary-limit-to-unseen ()
7673 "Limit to unseen articles."
7676 (gnus-summary-limit gnus-newsgroup-unseen)
7677 (gnus-summary-position-point)))
7679 (defun gnus-summary-limit-include-thread (id)
7680 "Display all the hidden articles that is in the thread with ID in it.
7681 When called interactively, ID is the Message-ID of the current
7683 (interactive (list (mail-header-id (gnus-summary-article-header))))
7684 (let ((articles (gnus-articles-in-thread
7685 (gnus-id-to-thread (gnus-root-id id)))))
7687 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7688 (gnus-summary-limit-include-matching-articles
7690 (regexp-quote (gnus-simplify-subject-re
7691 (mail-header-subject (gnus-id-to-header id)))))
7692 (gnus-summary-position-point))))
7694 (defun gnus-summary-limit-include-matching-articles (header regexp)
7695 "Display all the hidden articles that have HEADERs that match REGEXP."
7696 (interactive (list (read-string "Match on header: ")
7697 (read-string "Regexp: ")))
7698 (let ((articles (gnus-find-matching-articles header regexp)))
7700 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
7701 (gnus-summary-position-point))))
7703 (defun gnus-summary-insert-dormant-articles ()
7704 "Insert all the dormant articles for this group into the current buffer."
7706 (let ((gnus-verbose (max 6 gnus-verbose)))
7707 (if (not gnus-newsgroup-dormant)
7708 (gnus-message 3 "No cached articles for this group")
7709 (gnus-summary-goto-subjects gnus-newsgroup-dormant))))
7711 (defun gnus-summary-limit-include-dormant ()
7712 "Display all the hidden articles that are marked as dormant.
7713 Note that this command only works on a subset of the articles currently
7714 fetched for this group."
7716 (unless gnus-newsgroup-dormant
7717 (error "There are no dormant articles in this group"))
7719 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
7720 (gnus-summary-position-point)))
7722 (defun gnus-summary-limit-exclude-dormant ()
7723 "Hide all dormant articles."
7726 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
7727 (gnus-summary-position-point)))
7729 (defun gnus-summary-limit-exclude-childless-dormant ()
7730 "Hide all dormant articles that have no children."
7732 (let ((data (gnus-data-list t))
7733 articles d children)
7734 ;; Find all articles that are either not dormant or have
7736 (while (setq d (pop data))
7737 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
7739 (gnus-article-children (gnus-data-number d)))
7742 (when (memq (car children) articles)
7747 (push (gnus-data-number d) articles)))
7750 (gnus-summary-limit articles)
7751 (gnus-summary-position-point))))
7753 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
7754 "Mark all unread excluded articles as read.
7755 If ALL, mark even excluded ticked and dormants as read."
7757 (setq gnus-newsgroup-limit (sort gnus-newsgroup-limit '<))
7758 (let ((articles (gnus-sorted-ndifference
7760 (mapcar (lambda (h) (mail-header-number h))
7761 gnus-newsgroup-headers)
7763 gnus-newsgroup-limit))
7765 (setq gnus-newsgroup-unreads
7766 (gnus-sorted-intersection gnus-newsgroup-unreads
7767 gnus-newsgroup-limit))
7769 (setq gnus-newsgroup-dormant nil
7770 gnus-newsgroup-marked nil
7771 gnus-newsgroup-reads
7773 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
7774 gnus-newsgroup-reads))
7775 (while (setq article (pop articles))
7776 (unless (or (memq article gnus-newsgroup-dormant)
7777 (memq article gnus-newsgroup-marked))
7778 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
7780 (defun gnus-summary-limit (articles &optional pop)
7782 ;; We pop the previous limit off the stack and use that.
7783 (setq articles (car gnus-newsgroup-limits)
7784 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
7785 ;; We use the new limit, so we push the old limit on the stack.
7786 (push gnus-newsgroup-limit gnus-newsgroup-limits))
7788 (setq gnus-newsgroup-limit articles)
7789 (let ((total (length gnus-newsgroup-data))
7790 (data (gnus-data-find-list (gnus-summary-article-number)))
7791 (gnus-summary-mark-below nil) ; Inhibit this.
7793 ;; This will do all the work of generating the new summary buffer
7794 ;; according to the new limit.
7795 (gnus-summary-prepare)
7796 ;; Hide any threads, possibly.
7797 (gnus-summary-maybe-hide-threads)
7798 ;; Try to return to the article you were at, or one in the
7801 ;; We try to find some article after the current one.
7803 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
7806 (setq data (cdr data))))
7808 ;; If there is no data, that means that we were after the last
7809 ;; article. The same goes when we can't find any articles
7810 ;; after the current one.
7811 (goto-char (point-max))
7812 (gnus-summary-find-prev))
7813 (gnus-set-mode-line 'summary)
7814 ;; We return how many articles were removed from the summary
7815 ;; buffer as a result of the new limit.
7816 (- total (length gnus-newsgroup-data))))
7818 (defsubst gnus-invisible-cut-children (threads)
7821 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
7826 (defsubst gnus-cut-thread (thread)
7827 "Go forwards in the thread until we find an article that we want to display."
7828 (when (or (eq gnus-fetch-old-headers 'some)
7829 (eq gnus-fetch-old-headers 'invisible)
7830 (numberp gnus-fetch-old-headers)
7831 (eq gnus-build-sparse-threads 'some)
7832 (eq gnus-build-sparse-threads 'more))
7833 ;; Deal with old-fetched headers and sparse threads.
7837 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
7838 (gnus-summary-article-ancient-p
7839 (mail-header-number (car thread))))
7840 (if (or (<= (length (cdr thread)) 1)
7841 (eq gnus-fetch-old-headers 'invisible))
7842 (setq gnus-newsgroup-limit
7843 (delq (mail-header-number (car thread))
7844 gnus-newsgroup-limit)
7845 thread (cadr thread))
7846 (when (gnus-invisible-cut-children (cdr thread))
7847 (let ((th (cdr thread)))
7849 (if (memq (mail-header-number (caar th))
7850 gnus-newsgroup-limit)
7851 (setq thread (car th)
7853 (setq th (cdr th))))))))))
7856 (defun gnus-cut-threads (threads)
7857 "Cut off all uninteresting articles from the beginning of THREADS."
7858 (when (or (eq gnus-fetch-old-headers 'some)
7859 (eq gnus-fetch-old-headers 'invisible)
7860 (numberp gnus-fetch-old-headers)
7861 (eq gnus-build-sparse-threads 'some)
7862 (eq gnus-build-sparse-threads 'more))
7865 (setcar th (gnus-cut-thread (car th)))
7866 (setq th (cdr th)))))
7867 ;; Remove nixed out threads.
7870 (defun gnus-summary-initial-limit (&optional show-if-empty)
7871 "Figure out what the initial limit is supposed to be on group entry.
7872 This entails weeding out unwanted dormants, low-scored articles,
7873 fetch-old-headers verbiage, and so on."
7874 ;; Most groups have nothing to remove.
7875 (if (or gnus-inhibit-limiting
7876 (and (null gnus-newsgroup-dormant)
7877 (eq gnus-newsgroup-display 'gnus-not-ignore)
7878 (not (eq gnus-fetch-old-headers 'some))
7879 (not (numberp gnus-fetch-old-headers))
7880 (not (eq gnus-fetch-old-headers 'invisible))
7881 (null gnus-summary-expunge-below)
7882 (not (eq gnus-build-sparse-threads 'some))
7883 (not (eq gnus-build-sparse-threads 'more))
7884 (null gnus-thread-expunge-below)
7885 (not gnus-use-nocem)))
7887 (push gnus-newsgroup-limit gnus-newsgroup-limits)
7888 (setq gnus-newsgroup-limit nil)
7891 (unless (car (symbol-value node))
7892 ;; These threads have no parents -- they are roots.
7893 (let ((nodes (cdr (symbol-value node)))
7896 (if (and gnus-thread-expunge-below
7897 (< (gnus-thread-total-score (car nodes))
7898 gnus-thread-expunge-below))
7899 (gnus-expunge-thread (pop nodes))
7900 (setq thread (pop nodes))
7901 (gnus-summary-limit-children thread))))))
7902 gnus-newsgroup-dependencies)
7903 ;; If this limitation resulted in an empty group, we might
7904 ;; pop the previous limit and use it instead.
7905 (when (and (not gnus-newsgroup-limit)
7907 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
7908 gnus-newsgroup-limit))
7910 (defun gnus-summary-limit-children (thread)
7911 "Return 1 if this subthread is visible and 0 if it is not."
7912 ;; First we get the number of visible children to this thread. This
7913 ;; is done by recursing down the thread using this function, so this
7914 ;; will really go down to a leaf article first, before slowly
7915 ;; working its way up towards the root.
7917 (let* ((max-lisp-eval-depth 5000)
7920 (apply '+ (mapcar 'gnus-summary-limit-children
7923 (number (mail-header-number (car thread)))
7926 (not (memq number gnus-newsgroup-marked))
7928 ;; If this article is dormant and has absolutely no visible
7929 ;; children, then this article isn't visible.
7930 (and (memq number gnus-newsgroup-dormant)
7932 ;; If this is "fetch-old-headered" and there is no
7933 ;; visible children, then we don't want this article.
7934 (and (or (eq gnus-fetch-old-headers 'some)
7935 (numberp gnus-fetch-old-headers))
7936 (gnus-summary-article-ancient-p number)
7938 ;; If this is "fetch-old-headered" and `invisible', then
7939 ;; we don't want this article.
7940 (and (eq gnus-fetch-old-headers 'invisible)
7941 (gnus-summary-article-ancient-p number))
7942 ;; If this is a sparsely inserted article with no children,
7943 ;; we don't want it.
7944 (and (eq gnus-build-sparse-threads 'some)
7945 (gnus-summary-article-sparse-p number)
7947 ;; If we use expunging, and this article is really
7948 ;; low-scored, then we don't want this article.
7949 (when (and gnus-summary-expunge-below
7951 (or (cdr (assq number gnus-newsgroup-scored))
7952 gnus-summary-default-score))
7953 gnus-summary-expunge-below))
7954 ;; We increase the expunge-tally here, but that has
7955 ;; nothing to do with the limits, really.
7956 (incf gnus-newsgroup-expunged-tally)
7957 ;; We also mark as read here, if that's wanted.
7958 (when (and gnus-summary-mark-below
7959 (< score gnus-summary-mark-below))
7960 (setq gnus-newsgroup-unreads
7961 (delq number gnus-newsgroup-unreads))
7962 (if gnus-newsgroup-auto-expire
7963 (push number gnus-newsgroup-expirable)
7964 (push (cons number gnus-low-score-mark)
7965 gnus-newsgroup-reads)))
7967 ;; Do the `display' group parameter.
7968 (and gnus-newsgroup-display
7969 (not (funcall gnus-newsgroup-display)))
7970 ;; Check NoCeM things.
7971 (if (and gnus-use-nocem
7972 (gnus-nocem-unwanted-article-p
7973 (mail-header-id (car thread))))
7975 (setq gnus-newsgroup-unreads
7976 (delq number gnus-newsgroup-unreads))
7978 ;; Nope, invisible article.
7980 ;; Ok, this article is to be visible, so we add it to the limit
7982 (push number gnus-newsgroup-limit)
7985 (defun gnus-expunge-thread (thread)
7986 "Mark all articles in THREAD as read."
7987 (let* ((number (mail-header-number (car thread))))
7988 (incf gnus-newsgroup-expunged-tally)
7989 ;; We also mark as read here, if that's wanted.
7990 (setq gnus-newsgroup-unreads
7991 (delq number gnus-newsgroup-unreads))
7992 (if gnus-newsgroup-auto-expire
7993 (push number gnus-newsgroup-expirable)
7994 (push (cons number gnus-low-score-mark)
7995 gnus-newsgroup-reads)))
7996 ;; Go recursively through all subthreads.
7997 (mapcar 'gnus-expunge-thread (cdr thread)))
7999 ;; Summary article oriented commands
8001 (defun gnus-summary-refer-parent-article (n)
8002 "Refer parent article N times.
8003 If N is negative, go to ancestor -N instead.
8004 The difference between N and the number of articles fetched is returned."
8008 (when (not (natnump n))
8013 (setq header (gnus-summary-article-header))
8014 (if (and (eq (mail-header-number header)
8015 (cdr gnus-article-current))
8016 (equal gnus-newsgroup-name
8017 (car gnus-article-current)))
8018 ;; If we try to find the parent of the currently
8019 ;; displayed article, then we take a look at the actual
8020 ;; References header, since this is slightly more
8021 ;; reliable than the References field we got from the
8024 (set-buffer gnus-original-article-buffer)
8025 (nnheader-narrow-to-headers)
8026 (unless (setq ref (message-fetch-field "references"))
8027 (when (setq ref (message-fetch-field "in-reply-to"))
8028 (setq ref (gnus-extract-message-id-from-in-reply-to ref))))
8031 ;; It's not the current article, so we take a bet on
8032 ;; the value we got from the server.
8033 (mail-header-references header)))
8035 (not (equal ref "")))
8036 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
8037 (gnus-message 1 "Couldn't find parent"))
8038 (gnus-message 1 "No references in article %d"
8039 (gnus-summary-article-number))
8042 (gnus-summary-position-point)
8045 (defun gnus-summary-refer-references ()
8046 "Fetch all articles mentioned in the References header.
8047 Return the number of articles fetched."
8049 (let ((ref (mail-header-references (gnus-summary-article-header)))
8050 (current (gnus-summary-article-number))
8054 (error "No References in the current article")
8055 ;; For each Message-ID in the References header...
8056 (while (string-match "<[^>]*>" ref)
8058 ;; ... fetch that article.
8059 (gnus-summary-refer-article
8060 (prog1 (match-string 0 ref)
8061 (setq ref (substring ref (match-end 0))))))
8062 (gnus-summary-goto-subject current)
8063 (gnus-summary-position-point)
8066 (defun gnus-summary-refer-thread (&optional limit)
8067 "Fetch all articles in the current thread.
8068 If LIMIT (the numerical prefix), fetch that many old headers instead
8069 of what's specified by the `gnus-refer-thread-limit' variable."
8071 (let ((id (mail-header-id (gnus-summary-article-header)))
8072 (limit (if limit (prefix-numeric-value limit)
8073 gnus-refer-thread-limit)))
8074 (unless (eq gnus-fetch-old-headers 'invisible)
8075 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
8076 ;; Retrieve the headers and read them in.
8077 (if (eq (if (numberp limit)
8078 (gnus-retrieve-headers
8080 (+ (mail-header-number
8081 (gnus-summary-article-header))
8083 gnus-newsgroup-end))
8084 gnus-newsgroup-name (* limit 2))
8085 ;; gnus-refer-thread-limit is t, i.e. fetch _all_
8087 (gnus-retrieve-headers (list gnus-newsgroup-end)
8088 gnus-newsgroup-name limit))
8090 (gnus-build-all-threads)
8091 (error "Can't fetch thread from back ends that don't support NOV"))
8092 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
8093 (gnus-summary-limit-include-thread id)))
8095 (defun gnus-summary-refer-article (message-id)
8096 "Fetch an article specified by MESSAGE-ID."
8097 (interactive "sMessage-ID: ")
8098 (when (and (stringp message-id)
8099 (not (zerop (length message-id))))
8100 ;; Construct the correct Message-ID if necessary.
8101 ;; Suggested by tale@pawl.rpi.edu.
8102 (unless (string-match "^<" message-id)
8103 (setq message-id (concat "<" message-id)))
8104 (unless (string-match ">$" message-id)
8105 (setq message-id (concat message-id ">")))
8106 (let* ((header (gnus-id-to-header message-id))
8108 (gnus-summary-article-sparse-p
8109 (mail-header-number header))
8110 (memq (mail-header-number header)
8111 gnus-newsgroup-limit)))
8114 ;; If the article is present in the buffer we just go to it.
8116 (or (not (gnus-summary-article-sparse-p
8117 (mail-header-number header)))
8120 (gnus-summary-goto-article
8121 (mail-header-number header) nil t)
8123 (gnus-summary-update-article (mail-header-number header)))))
8125 ;; We fetch the article.
8127 (dolist (gnus-override-method (gnus-refer-article-methods))
8128 (when (and (gnus-check-server gnus-override-method)
8129 ;; Fetch the header,
8130 (setq number (gnus-summary-insert-subject message-id)))
8131 ;; and display the article.
8132 (gnus-summary-select-article nil nil nil number)
8134 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
8136 (defun gnus-refer-article-methods ()
8137 "Return a list of referable methods."
8139 ;; No method, so we default to current and native.
8140 ((null gnus-refer-article-method)
8141 (list gnus-current-select-method gnus-select-method))
8143 ((eq 'current gnus-refer-article-method)
8144 (list gnus-current-select-method))
8145 ;; List of select methods.
8146 ((not (and (symbolp (car gnus-refer-article-method))
8147 (assq (car gnus-refer-article-method) nnoo-definition-alist)))
8149 (dolist (method gnus-refer-article-method)
8150 (push (if (eq 'current method)
8151 gnus-current-select-method
8155 ;; One single select method.
8157 (list gnus-refer-article-method))))
8159 (defun gnus-summary-edit-parameters ()
8160 "Edit the group parameters of the current group."
8162 (gnus-group-edit-group gnus-newsgroup-name 'params))
8164 (defun gnus-summary-customize-parameters ()
8165 "Customize the group parameters of the current group."
8167 (gnus-group-customize gnus-newsgroup-name))
8169 (defun gnus-summary-enter-digest-group (&optional force)
8170 "Enter an nndoc group based on the current article.
8171 If FORCE, force a digest interpretation. If not, try
8172 to guess what the document format is."
8174 (let ((conf gnus-current-window-configuration))
8175 (save-window-excursion
8177 (let (gnus-article-prepare-hook
8178 gnus-display-mime-function
8180 (gnus-summary-select-article))))
8181 (setq gnus-current-window-configuration conf)
8182 (let* ((name (format "%s-%d"
8183 (gnus-group-prefixed-name
8184 gnus-newsgroup-name (list 'nndoc ""))
8186 (set-buffer gnus-summary-buffer)
8187 gnus-current-article)))
8188 (ogroup gnus-newsgroup-name)
8189 (params (append (gnus-info-params (gnus-get-info ogroup))
8190 (list (cons 'to-group ogroup))
8191 (list (cons 'parent-group group))
8192 (list (cons 'save-article-group ogroup))))
8193 (case-fold-search t)
8194 (buf (current-buffer))
8197 (set-buffer gnus-original-article-buffer)
8198 ;; Have the digest group inherit the main mail address of
8199 ;; the parent article.
8200 (when (setq to-address (or (gnus-fetch-field "reply-to")
8201 (gnus-fetch-field "from")))
8202 (setq params (append
8203 (list (cons 'to-address
8204 (funcall gnus-decode-encoded-word-function
8206 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
8207 (insert-buffer-substring gnus-original-article-buffer)
8208 ;; Remove lines that may lead nndoc to misinterpret the
8211 (goto-char (point-min))
8212 (or (search-forward "\n\n" nil t) (point)))
8213 (goto-char (point-min))
8214 (delete-matching-lines "^Path:\\|^From ")
8217 (if (let ((gnus-newsgroup-ephemeral-charset gnus-newsgroup-charset)
8218 (gnus-newsgroup-ephemeral-ignored-charsets
8219 gnus-newsgroup-ignored-charsets))
8220 (gnus-group-read-ephemeral-group
8221 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
8223 ,(if force 'mbox 'guess)))
8225 `((adapt-file . ,(gnus-score-file-name gnus-newsgroup-name
8227 ;; Make all postings to this group go to the parent group.
8228 (nconc (gnus-info-params (gnus-get-info name))
8230 ;; Couldn't select this doc group.
8231 (switch-to-buffer buf)
8232 (gnus-set-global-variables)
8233 (gnus-configure-windows 'summary)
8234 (gnus-message 3 "Article couldn't be entered?"))
8235 (kill-buffer dig)))))
8237 (defun gnus-summary-read-document (n)
8238 "Open a new group based on the current article(s).
8239 This will allow you to read digests and other similar
8240 documents as newsgroups.
8241 Obeys the standard process/prefix convention."
8243 (let* ((articles (gnus-summary-work-articles n))
8244 (ogroup gnus-newsgroup-name)
8245 (params (append (gnus-info-params (gnus-get-info ogroup))
8246 (list (cons 'to-group ogroup))))
8247 article group egroup groups vgroup)
8248 (while (setq article (pop articles))
8249 (setq group (format "%s-%d" gnus-newsgroup-name article))
8250 (gnus-summary-remove-process-mark article)
8251 (when (gnus-summary-display-article article)
8254 (insert-buffer-substring gnus-original-article-buffer)
8255 ;; Remove some headers that may lead nndoc to make
8257 (message-narrow-to-head)
8258 (goto-char (point-min))
8259 (delete-matching-lines "^\\(Path\\):\\|^From ")
8262 (gnus-group-read-ephemeral-group
8263 group `(nndoc ,group (nndoc-address ,(current-buffer))
8264 (nndoc-article-type guess))
8267 ;; Make all postings to this group go to the parent group.
8268 (nconc (gnus-info-params (gnus-get-info egroup))
8270 (push egroup groups))
8271 ;; Couldn't select this doc group.
8272 (gnus-error 3 "Article couldn't be entered"))))))
8273 ;; Now we have selected all the documents.
8276 (error "None of the articles could be interpreted as documents"))
8277 ((gnus-group-read-ephemeral-group
8278 (setq vgroup (format
8279 "nnvirtual:%s-%s" gnus-newsgroup-name
8280 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
8281 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
8283 (cons (current-buffer) 'summary)))
8285 (error "Couldn't select virtual nndoc group")))))
8287 (defun gnus-summary-isearch-article (&optional regexp-p)
8288 "Do incremental search forward on the current article.
8289 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
8291 (gnus-summary-select-article)
8292 (gnus-configure-windows 'article)
8293 (gnus-eval-in-buffer-window gnus-article-buffer
8296 (isearch-forward regexp-p))))
8298 (defun gnus-summary-search-article-forward (regexp &optional backward)
8299 "Search for an article containing REGEXP forward.
8300 If BACKWARD, search backward instead."
8303 (format "Search article %s (regexp%s): "
8304 (if current-prefix-arg "backward" "forward")
8305 (if gnus-last-search-regexp
8306 (concat ", default " gnus-last-search-regexp)
8308 current-prefix-arg))
8309 (if (string-equal regexp "")
8310 (setq regexp (or gnus-last-search-regexp ""))
8311 (setq gnus-last-search-regexp regexp)
8312 (setq gnus-article-before-search gnus-current-article))
8313 ;; Intentionally set gnus-last-article.
8314 (setq gnus-last-article gnus-article-before-search)
8315 (let ((gnus-last-article gnus-last-article))
8316 (if (gnus-summary-search-article regexp backward)
8317 (gnus-summary-show-thread)
8318 (error "Search failed: \"%s\"" regexp))))
8320 (defun gnus-summary-search-article-backward (regexp)
8321 "Search for an article containing REGEXP backward."
8324 (format "Search article backward (regexp%s): "
8325 (if gnus-last-search-regexp
8326 (concat ", default " gnus-last-search-regexp)
8328 (gnus-summary-search-article-forward regexp 'backward))
8330 (defun gnus-summary-search-article (regexp &optional backward)
8331 "Search for an article containing REGEXP.
8332 Optional argument BACKWARD means do search for backward.
8333 `gnus-select-article-hook' is not called during the search."
8334 ;; We have to require this here to make sure that the following
8335 ;; dynamic binding isn't shadowed by autoloading.
8336 (require 'gnus-async)
8338 (let ((gnus-select-article-hook nil) ;Disable hook.
8339 (gnus-article-prepare-hook nil)
8340 (gnus-mark-article-hook nil) ;Inhibit marking as read.
8341 (gnus-use-article-prefetch nil)
8342 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
8343 (gnus-use-trees nil) ;Inhibit updating tree buffer.
8345 (gnus-keep-backlog nil)
8346 (gnus-break-pages nil)
8347 (gnus-summary-display-arrow nil)
8348 (gnus-updated-mode-lines nil)
8349 (gnus-auto-center-summary nil)
8350 (sum (current-buffer))
8351 (gnus-display-mime-function nil)
8354 (gnus-save-hidden-threads
8355 (gnus-summary-select-article)
8356 (set-buffer gnus-article-buffer)
8357 (goto-char (window-point (get-buffer-window (current-buffer))))
8361 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
8363 (re-search-backward regexp nil t)
8364 (re-search-forward regexp nil t))
8365 ;; We found the regexp.
8370 (get-buffer-window (current-buffer))
8374 (get-buffer-window (current-buffer))
8377 (setq point (point)))
8378 ;; We didn't find it, so we go to the next article.
8381 (while (eq found 'not)
8382 (if (not (if backward (gnus-summary-find-prev)
8383 (gnus-summary-find-next)))
8384 ;; No more articles.
8386 ;; Select the next article and adjust point.
8387 (unless (gnus-summary-article-sparse-p
8388 (gnus-summary-article-number))
8390 (gnus-summary-select-article)
8391 (set-buffer gnus-article-buffer)
8393 (goto-char (if backward (point-max) (point-min))))))))
8394 (gnus-message 7 ""))
8395 ;; Return whether we found the regexp.
8396 (when (eq found 'found)
8398 (gnus-summary-show-thread)
8399 (gnus-summary-goto-subject gnus-current-article)
8400 (gnus-summary-position-point)
8403 (defun gnus-find-matching-articles (header regexp)
8404 "Return a list of all articles that match REGEXP on HEADER.
8405 This search includes all articles in the current group that Gnus has
8406 fetched headers for, whether they are displayed or not."
8407 (let ((articles nil)
8408 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
8409 (case-fold-search t))
8410 (dolist (header gnus-newsgroup-headers)
8411 (when (string-match regexp (funcall func header))
8412 (push (mail-header-number header) articles)))
8413 (nreverse articles)))
8415 (defun gnus-summary-find-matching (header regexp &optional backward unread
8416 not-case-fold not-matching)
8417 "Return a list of all articles that match REGEXP on HEADER.
8418 The search stars on the current article and goes forwards unless
8419 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
8420 If UNREAD is non-nil, only unread articles will
8421 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
8422 in the comparisons. If NOT-MATCHING, return a list of all articles that
8423 not match REGEXP on HEADER."
8424 (let ((case-fold-search (not not-case-fold))
8427 (if (eq (car header) 'extra)
8430 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
8432 (error "%s is an invalid header" header))
8433 (unless (fboundp (intern (concat "mail-header-" header)))
8434 (error "%s is not a valid header" header))
8435 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
8436 (dolist (d (if (eq backward 'all)
8438 (gnus-data-find-list
8439 (gnus-summary-article-number)
8440 (gnus-data-list backward))))
8441 (when (and (or (not unread) ; We want all articles...
8442 (gnus-data-unread-p d)) ; Or just unreads.
8443 (vectorp (gnus-data-header d)) ; It's not a pseudo.
8447 (funcall func (gnus-data-header d))))
8448 (string-match regexp
8449 (funcall func (gnus-data-header d)))))
8450 (push (gnus-data-number d) articles))) ; Success!
8451 (nreverse articles)))
8453 (defun gnus-summary-execute-command (header regexp command &optional backward)
8454 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
8455 If HEADER is an empty string (or nil), the match is done on the entire
8456 article. If BACKWARD (the prefix) is non-nil, search backward instead."
8458 (list (let ((completion-ignore-case t))
8461 (mapcar (lambda (header) (list (format "%s" header)))
8463 '("Number" "Subject" "From" "Lines" "Date"
8464 "Message-ID" "Xref" "References" "Body")
8465 gnus-extra-headers))
8466 nil 'require-match))
8467 (read-string "Regexp: ")
8468 (read-key-sequence "Command: ")
8469 current-prefix-arg))
8470 (when (equal header "Body")
8472 ;; Hidden thread subtrees must be searched as well.
8473 (gnus-summary-show-all-threads)
8474 ;; We don't want to change current point nor window configuration.
8476 (save-window-excursion
8478 gnus-treat-strip-trailing-blank-lines
8479 gnus-treat-strip-leading-blank-lines
8480 gnus-treat-strip-multiple-blank-lines
8481 gnus-treat-hide-boring-headers
8482 gnus-treat-fold-newsgroups
8483 gnus-article-prepare-hook)
8484 (gnus-message 6 "Executing %s..." (key-description command))
8485 ;; We'd like to execute COMMAND interactively so as to give arguments.
8486 (gnus-execute header regexp
8487 `(call-interactively ',(key-binding command))
8489 (gnus-message 6 "Executing %s...done" (key-description command))))))
8491 (defun gnus-summary-beginning-of-article ()
8492 "Scroll the article back to the beginning."
8494 (gnus-summary-select-article)
8495 (gnus-configure-windows 'article)
8496 (gnus-eval-in-buffer-window gnus-article-buffer
8498 (goto-char (point-min))
8499 (when gnus-page-broken
8500 (gnus-narrow-to-page))))
8502 (defun gnus-summary-end-of-article ()
8503 "Scroll to the end of the article."
8505 (gnus-summary-select-article)
8506 (gnus-configure-windows 'article)
8507 (gnus-eval-in-buffer-window gnus-article-buffer
8509 (goto-char (point-max))
8511 (when gnus-page-broken
8512 (gnus-narrow-to-page))))
8514 (defun gnus-summary-print-truncate-and-quote (string &optional len)
8515 "Truncate to LEN and quote all \"(\"'s in STRING."
8516 (gnus-replace-in-string (if (and len (> (length string) len))
8517 (substring string 0 len)
8521 (defun gnus-summary-print-article (&optional filename n)
8522 "Generate and print a PostScript image of the N next (mail) articles.
8524 If N is negative, print the N previous articles. If N is nil and articles
8525 have been marked with the process mark, print these instead.
8527 If the optional first argument FILENAME is nil, send the image to the
8528 printer. If FILENAME is a string, save the PostScript image in a file with
8529 that name. If FILENAME is a number, prompt the user for the name of the file
8531 (interactive (list (ps-print-preprint current-prefix-arg)))
8532 (dolist (article (gnus-summary-work-articles n))
8533 (gnus-summary-select-article nil nil 'pseudo article)
8534 (gnus-eval-in-buffer-window gnus-article-buffer
8535 (gnus-print-buffer))
8536 (gnus-summary-remove-process-mark article))
8537 (ps-despool filename))
8539 (defun gnus-print-buffer ()
8540 (let ((buffer (generate-new-buffer " *print*")))
8543 (copy-to-buffer buffer (point-min) (point-max))
8545 (gnus-remove-text-with-property 'gnus-decoration)
8546 (when (gnus-visual-p 'article-highlight 'highlight)
8547 ;; Copy-to-buffer doesn't copy overlay. So redo
8549 (let ((gnus-article-buffer buffer))
8550 (gnus-article-highlight-citation t)
8551 (gnus-article-highlight-signature)
8552 (gnus-article-emphasize)
8553 (gnus-article-delete-invisible-text)))
8554 (let ((ps-left-header
8557 (gnus-summary-print-truncate-and-quote
8558 (mail-header-subject gnus-current-headers)
8561 (gnus-summary-print-truncate-and-quote
8562 (mail-header-from gnus-current-headers)
8566 "/pagenumberstring load"
8568 (mail-header-date gnus-current-headers) ")"))))
8569 (gnus-run-hooks 'gnus-ps-print-hook)
8572 (ps-spool-buffer-with-faces)
8573 (ps-spool-buffer)))))
8574 (kill-buffer buffer))))
8576 (defun gnus-summary-show-article (&optional arg)
8577 "Force redisplaying of the current article.
8578 If ARG (the prefix) is a number, show the article with the charset
8579 defined in `gnus-summary-show-article-charset-alist', or the charset
8581 If ARG (the prefix) is non-nil and not a number, show the raw article
8582 without any article massaging functions being run. Normally, the key
8583 strokes are `C-u g'."
8587 (gnus-summary-show-article t)
8588 (let ((gnus-newsgroup-charset
8589 (or (cdr (assq arg gnus-summary-show-article-charset-alist))
8590 (mm-read-coding-system
8591 "View as charset: " ;; actually it is coding system.
8593 (set-buffer gnus-article-buffer)
8594 (mm-detect-coding-region (point) (point-max))))))
8595 (gnus-newsgroup-ignored-charsets 'gnus-all))
8596 (gnus-summary-select-article nil 'force)
8597 (let ((deps gnus-newsgroup-dependencies)
8600 (set-buffer gnus-original-article-buffer)
8602 (message-narrow-to-head)
8603 (setq head (buffer-string))
8604 (goto-char (point-min))
8605 (unless (re-search-forward "^lines:[ \t]\\([0-9]+\\)" nil t)
8606 (goto-char (point-max))
8608 (setq lines (1- (count-lines (point) (point-max))))))
8610 (insert (format "211 %d Article retrieved.\n"
8611 (cdr gnus-article-current)))
8613 (if lines (insert (format "Lines: %d\n" lines)))
8615 (let ((nntp-server-buffer (current-buffer)))
8616 (setq header (car (gnus-get-newsgroup-headers deps t))))))
8617 (gnus-data-set-header
8618 (gnus-data-find (cdr gnus-article-current))
8620 (gnus-summary-update-article-line
8621 (cdr gnus-article-current) header)
8622 (when (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
8623 (gnus-summary-update-secondary-mark (cdr gnus-article-current))))))
8625 ;; Select the article the normal way.
8626 (gnus-summary-select-article nil 'force))
8628 ;; We have to require this here to make sure that the following
8629 ;; dynamic binding isn't shadowed by autoloading.
8630 (require 'gnus-async)
8632 ;; Bind the article treatment functions to nil.
8633 (let ((gnus-have-all-headers t)
8634 gnus-article-prepare-hook
8635 gnus-article-decode-hook
8636 gnus-display-mime-function
8638 ;; Destroy any MIME parts.
8639 (when (gnus-buffer-live-p gnus-article-buffer)
8641 (set-buffer gnus-article-buffer)
8642 (mm-destroy-parts gnus-article-mime-handles)
8643 ;; Set it to nil for safety reason.
8644 (setq gnus-article-mime-handle-alist nil)
8645 (setq gnus-article-mime-handles nil)))
8646 (gnus-summary-select-article nil 'force))))
8647 (gnus-summary-goto-subject gnus-current-article)
8648 (gnus-summary-position-point))
8650 (defun gnus-summary-show-raw-article ()
8651 "Show the raw article without any article massaging functions being run."
8653 (gnus-summary-show-article t))
8655 (defun gnus-summary-verbose-headers (&optional arg)
8656 "Toggle permanent full header display.
8657 If ARG is a positive number, turn header display on.
8658 If ARG is a negative number, turn header display off."
8660 (setq gnus-show-all-headers
8661 (cond ((or (not (numberp arg))
8663 (not gnus-show-all-headers))
8666 (gnus-summary-show-article))
8668 (defun gnus-summary-toggle-header (&optional arg)
8669 "Show the headers if they are hidden, or hide them if they are shown.
8670 If ARG is a positive number, show the entire header.
8671 If ARG is a negative number, hide the unwanted header lines."
8673 (let ((window (and (gnus-buffer-live-p gnus-article-buffer)
8674 (get-buffer-window gnus-article-buffer t))))
8675 (with-current-buffer gnus-article-buffer
8677 (article-narrow-to-head)
8678 (let* ((buffer-read-only nil)
8679 (inhibit-point-motion-hooks t)
8680 (hidden (if (numberp arg)
8682 (gnus-article-hidden-text-p 'headers)))
8684 (delete-region (point-min) (point-max))
8685 (with-current-buffer gnus-original-article-buffer
8686 (goto-char (setq s (point-min)))
8687 (setq e (if (search-forward "\n\n" nil t)
8690 (insert-buffer-substring gnus-original-article-buffer s e)
8691 (run-hooks 'gnus-article-decode-hook)
8693 (let ((gnus-treat-hide-headers nil)
8694 (gnus-treat-hide-boring-headers nil))
8695 (gnus-delete-wash-type 'headers)
8696 (gnus-treat-article 'head))
8697 (gnus-treat-article 'head))
8700 (set-window-start window (goto-char (point-min))))
8701 (setq gnus-page-broken
8702 (when gnus-break-pages
8703 (gnus-narrow-to-page)
8705 (gnus-set-mode-line 'article)))))
8707 (defun gnus-summary-show-all-headers ()
8708 "Make all header lines visible."
8710 (gnus-summary-toggle-header 1))
8712 (defun gnus-summary-caesar-message (&optional arg)
8713 "Caesar rotate the current article by 13.
8714 The numerical prefix specifies how many places to rotate each letter
8717 (gnus-summary-select-article)
8718 (let ((mail-header-separator ""))
8719 (gnus-eval-in-buffer-window gnus-article-buffer
8722 (let ((start (window-start))
8724 (message-caesar-buffer-body arg)
8725 (set-window-start (get-buffer-window (current-buffer)) start))))))
8727 (autoload 'unmorse-region "morse"
8728 "Convert morse coded text in region to ordinary ASCII text."
8731 (defun gnus-summary-morse-message (&optional arg)
8732 "Morse decode the current article."
8734 (gnus-summary-select-article)
8735 (let ((mail-header-separator ""))
8736 (gnus-eval-in-buffer-window gnus-article-buffer
8740 (let ((pos (window-start))
8742 (goto-char (point-min))
8743 (when (message-goto-body)
8744 (gnus-narrow-to-body))
8745 (goto-char (point-min))
8746 (while (re-search-forward "·" (point-max) t)
8747 (replace-match "."))
8748 (unmorse-region (point-min) (point-max))
8750 (set-window-start (get-buffer-window (current-buffer)) pos)))))))
8752 (defun gnus-summary-stop-page-breaking ()
8753 "Stop page breaking in the current article."
8755 (gnus-summary-select-article)
8756 (gnus-eval-in-buffer-window gnus-article-buffer
8758 (when (gnus-visual-p 'page-marker)
8759 (let ((buffer-read-only nil))
8760 (gnus-remove-text-with-property 'gnus-prev)
8761 (gnus-remove-text-with-property 'gnus-next))
8762 (setq gnus-page-broken nil))))
8764 (defun gnus-summary-move-article (&optional n to-newsgroup
8765 select-method action)
8766 "Move the current article to a different newsgroup.
8767 If N is a positive number, move the N next articles.
8768 If N is a negative number, move the N previous articles.
8769 If N is nil and any articles have been marked with the process mark,
8770 move those articles instead.
8771 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
8772 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
8773 re-spool using this method.
8775 When called interactively with TO-NEWSGROUP being nil, the value of
8776 the variable `gnus-move-split-methods' is used for finding a default
8777 for the target newsgroup.
8779 For this function to work, both the current newsgroup and the
8780 newsgroup that you want to move to have to support the `request-move'
8781 and `request-accept' functions.
8783 ACTION can be either `move' (the default), `crosspost' or `copy'."
8786 (setq action 'move))
8787 ;; Check whether the source group supports the required functions.
8788 (cond ((and (eq action 'move)
8789 (not (gnus-check-backend-function
8790 'request-move-article gnus-newsgroup-name)))
8791 (error "The current group does not support article moving"))
8792 ((and (eq action 'crosspost)
8793 (not (gnus-check-backend-function
8794 'request-replace-article gnus-newsgroup-name)))
8795 (error "The current group does not support article editing")))
8796 (let ((articles (gnus-summary-work-articles n))
8797 (prefix (if (gnus-check-backend-function
8798 'request-move-article gnus-newsgroup-name)
8799 (gnus-group-real-prefix gnus-newsgroup-name)
8801 (names '((move "Move" "Moving")
8802 (copy "Copy" "Copying")
8803 (crosspost "Crosspost" "Crossposting")))
8804 (copy-buf (save-excursion
8805 (nnheader-set-temp-buffer " *copy article*")))
8806 art-group to-method new-xref article to-groups)
8807 (unless (assq action names)
8808 (error "Unknown action %s" action))
8809 ;; Read the newsgroup name.
8810 (when (and (not to-newsgroup)
8811 (not select-method))
8812 (if (and gnus-move-split-methods
8814 (and (memq gnus-current-article articles)
8815 (gnus-buffer-live-p gnus-original-article-buffer))))
8816 ;; When `gnus-move-split-methods' is non-nil, we have to
8817 ;; select an article to give `gnus-read-move-group-name' an
8818 ;; opportunity to suggest an appropriate default. However,
8819 ;; we needn't render or mark the article.
8820 (let ((gnus-display-mime-function nil)
8821 (gnus-article-prepare-hook nil)
8822 (gnus-mark-article-hook nil))
8823 (gnus-summary-select-article nil nil nil (car articles))))
8825 (gnus-read-move-group-name
8826 (cadr (assq action names))
8827 (symbol-value (intern (format "gnus-current-%s-group" action)))
8829 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
8830 (setq to-method (or select-method
8831 (gnus-server-to-method
8832 (gnus-group-method to-newsgroup))))
8833 ;; Check the method we are to move this article to...
8834 (unless (gnus-check-backend-function
8835 'request-accept-article (car to-method))
8836 (error "%s does not support article copying" (car to-method)))
8837 (unless (gnus-check-server to-method)
8838 (error "Can't open server %s" (car to-method)))
8839 (gnus-message 6 "%s to %s: %s..."
8840 (caddr (assq action names))
8841 (or (car select-method) to-newsgroup) articles)
8843 (setq article (pop articles))
8847 ;; Move the article.
8849 ;; Remove this article from future suppression.
8850 (gnus-dup-unsuppress-article article)
8851 (gnus-request-move-article
8852 article ; Article to move
8853 gnus-newsgroup-name ; From newsgroup
8854 (nth 1 (gnus-find-method-for-group
8855 gnus-newsgroup-name)) ; Server
8856 (list 'gnus-request-accept-article
8857 to-newsgroup (list 'quote select-method)
8858 (not articles) t) ; Accept form
8859 (not articles))) ; Only save nov last time
8860 ;; Copy the article.
8863 (set-buffer copy-buf)
8864 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
8865 (gnus-request-accept-article
8866 to-newsgroup select-method (not articles) t))))
8867 ;; Crosspost the article.
8868 ((eq action 'crosspost)
8869 (let ((xref (message-tokenize-header
8870 (mail-header-xref (gnus-summary-article-header article))
8872 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
8873 ":" (number-to-string article)))
8875 (setq xref (list (system-name))))
8878 (mapconcat 'identity
8879 (delete "Xref:" (delete new-xref xref))
8883 (set-buffer copy-buf)
8884 ;; First put the article in the destination group.
8885 (gnus-request-article-this-buffer article gnus-newsgroup-name)
8886 (when (consp (setq art-group
8887 (gnus-request-accept-article
8888 to-newsgroup select-method (not articles))))
8889 (setq new-xref (concat new-xref " " (car art-group)
8891 (number-to-string (cdr art-group))))
8892 ;; Now we have the new Xrefs header, so we insert
8893 ;; it and replace the new article.
8894 (nnheader-replace-header "Xref" new-xref)
8895 (gnus-request-replace-article
8896 (cdr art-group) to-newsgroup (current-buffer))
8900 (gnus-message 1 "Couldn't %s article %s: %s"
8901 (cadr (assq action names)) article
8902 (nnheader-get-report (car to-method))))
8903 ((eq art-group 'junk)
8904 (when (eq action 'move)
8905 (gnus-summary-mark-article article gnus-canceled-mark)
8906 (gnus-message 4 "Deleted article %s" article)
8907 ;; run the delete hook
8908 (run-hook-with-args 'gnus-summary-article-delete-hook
8911 (assoc article (gnus-data-list nil)))
8912 gnus-newsgroup-name nil
8915 (let* ((pto-group (gnus-group-prefixed-name
8916 (car art-group) to-method))
8918 (gnus-gethash pto-group gnus-newsrc-hashtb))
8919 (info (nth 2 entry))
8920 (to-group (gnus-info-group info))
8922 ;; Update the group that has been moved to.
8924 (memq action '(move copy)))
8925 (unless (member to-group to-groups)
8926 (push to-group to-groups))
8928 (unless (memq article gnus-newsgroup-unreads)
8929 (push 'read to-marks)
8931 info (gnus-add-to-range (gnus-info-read info)
8932 (list (cdr art-group)))))
8934 ;; See whether the article is to be put in the cache.
8935 (let ((marks (if (gnus-group-auto-expirable-p to-group)
8936 gnus-article-mark-lists
8937 (delete '(expirable . expire)
8938 (copy-sequence gnus-article-mark-lists))))
8939 (to-article (cdr art-group)))
8941 ;; Enter the article into the cache in the new group,
8942 ;; if that is required.
8943 (when gnus-use-cache
8944 (gnus-cache-possibly-enter-article
8946 (memq article gnus-newsgroup-marked)
8947 (memq article gnus-newsgroup-dormant)
8948 (memq article gnus-newsgroup-unreads)))
8950 (when gnus-preserve-marks
8951 ;; Copy any marks over to the new group.
8952 (when (and (equal to-group gnus-newsgroup-name)
8953 (not (memq article gnus-newsgroup-unreads)))
8954 ;; Mark this article as read in this group.
8955 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
8956 (setcdr (gnus-active to-group) to-article)
8957 (setcdr gnus-newsgroup-active to-article))
8960 (when (eq (gnus-article-mark-to-type (cdar marks)) 'list)
8961 (when (memq article (symbol-value
8962 (intern (format "gnus-newsgroup-%s"
8964 (push (cdar marks) to-marks)
8965 ;; If the other group is the same as this group,
8966 ;; then we have to add the mark to the list.
8967 (when (equal to-group gnus-newsgroup-name)
8968 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
8971 (intern (format "gnus-newsgroup-%s"
8973 ;; Copy the marks to other group.
8974 (gnus-add-marked-articles
8975 to-group (cdar marks) (list to-article) info)))
8976 (setq marks (cdr marks)))
8978 (gnus-request-set-mark
8979 to-group (list (list (list to-article) 'add to-marks))))
8982 (concat "(gnus-group-set-info '"
8983 (gnus-prin1-to-string (gnus-get-info to-group))
8986 ;; Update the Xref header in this article to point to
8987 ;; the new crossposted article we have just created.
8988 (when (eq action 'crosspost)
8990 (set-buffer copy-buf)
8991 (gnus-request-article-this-buffer article gnus-newsgroup-name)
8992 (nnheader-replace-header "Xref" new-xref)
8993 (gnus-request-replace-article
8994 article gnus-newsgroup-name (current-buffer))))
8996 ;; run the move/copy/crosspost/respool hook
8997 (run-hook-with-args 'gnus-summary-article-move-hook
9000 (assoc article (gnus-data-list nil)))
9005 ;;;!!!Why is this necessary?
9006 (set-buffer gnus-summary-buffer)
9008 (gnus-summary-goto-subject article)
9009 (when (eq action 'move)
9010 (gnus-summary-mark-article article gnus-canceled-mark))))
9011 (gnus-summary-remove-process-mark article))
9012 ;; Re-activate all groups that have been moved to.
9014 (set-buffer gnus-group-buffer)
9015 (let ((gnus-group-marked to-groups))
9016 (gnus-group-get-new-news-this-group nil t)))
9018 (gnus-kill-buffer copy-buf)
9019 (gnus-summary-position-point)
9020 (gnus-set-mode-line 'summary)))
9022 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
9023 "Move the current article to a different newsgroup.
9024 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
9025 When called interactively, if TO-NEWSGROUP is nil, use the value of
9026 the variable `gnus-move-split-methods' for finding a default target
9028 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
9029 re-spool using this method."
9031 (gnus-summary-move-article n to-newsgroup select-method 'copy))
9033 (defun gnus-summary-crosspost-article (&optional n)
9034 "Crosspost the current article to some other group."
9036 (gnus-summary-move-article n nil nil 'crosspost))
9038 (defcustom gnus-summary-respool-default-method nil
9039 "Default method type for respooling an article.
9040 If nil, use to the current newsgroup method."
9042 :group 'gnus-summary-mail)
9044 (defcustom gnus-summary-display-while-building nil
9045 "If non-nil, show and update the summary buffer as it's being built.
9046 If the value is t, update the buffer after every line is inserted. If
9047 the value is an integer (N), update the display every N lines."
9049 :type '(choice (const :tag "off" nil)
9051 (const :tag "frequently" t)))
9053 (defun gnus-summary-respool-article (&optional n method)
9054 "Respool the current article.
9055 The article will be squeezed through the mail spooling process again,
9056 which means that it will be put in some mail newsgroup or other
9057 depending on `nnmail-split-methods'.
9058 If N is a positive number, respool the N next articles.
9059 If N is a negative number, respool the N previous articles.
9060 If N is nil and any articles have been marked with the process mark,
9061 respool those articles instead.
9063 Respooling can be done both from mail groups and \"real\" newsgroups.
9064 In the former case, the articles in question will be moved from the
9065 current group into whatever groups they are destined to. In the
9066 latter case, they will be copied into the relevant groups."
9068 (list current-prefix-arg
9069 (let* ((methods (gnus-methods-using 'respool))
9071 (symbol-name (or gnus-summary-respool-default-method
9072 (car (gnus-find-method-for-group
9073 gnus-newsgroup-name)))))
9075 (gnus-completing-read-with-default
9076 methname "What backend do you want to use when respooling?"
9077 methods nil t nil 'gnus-mail-method-history))
9080 ((zerop (length (setq ms (gnus-servers-using-backend
9082 (list (intern method) ""))
9086 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
9087 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
9090 (error "No method given for respooling"))
9091 (if (assoc (symbol-name
9092 (car (gnus-find-method-for-group gnus-newsgroup-name)))
9093 (gnus-methods-using 'respool))
9094 (gnus-summary-move-article n nil method)
9095 (gnus-summary-copy-article n nil method)))
9097 (defun gnus-summary-import-article (file &optional edit)
9098 "Import an arbitrary file into a mail newsgroup."
9099 (interactive "fImport file: \nP")
9100 (let ((group gnus-newsgroup-name)
9101 (now (current-time))
9102 atts lines group-art)
9103 (unless (gnus-check-backend-function 'request-accept-article group)
9104 (error "%s does not support article importing" group))
9105 (or (file-readable-p file)
9106 (not (file-regular-p file))
9107 (error "Can't read %s" file))
9109 (set-buffer (gnus-get-buffer-create " *import file*"))
9111 (nnheader-insert-file-contents file)
9112 (goto-char (point-min))
9113 (if (nnheader-article-p)
9115 (goto-char (point-min))
9116 (search-forward "\n\n" nil t)
9117 (narrow-to-region (point-min) (1- (point)))
9118 (goto-char (point-min))
9119 (unless (re-search-forward "^date:" nil t)
9120 (goto-char (point-max))
9121 (insert "Date: " (message-make-date (nth 5 atts)) "\n")))
9122 ;; This doesn't look like an article, so we fudge some headers.
9123 (setq atts (file-attributes file)
9124 lines (count-lines (point-min) (point-max)))
9125 (insert "From: " (read-string "From: ") "\n"
9126 "Subject: " (read-string "Subject: ") "\n"
9127 "Date: " (message-make-date (nth 5 atts)) "\n"
9128 "Message-ID: " (message-make-message-id) "\n"
9129 "Lines: " (int-to-string lines) "\n"
9130 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
9131 (setq group-art (gnus-request-accept-article group nil t))
9132 (kill-buffer (current-buffer)))
9133 (setq gnus-newsgroup-active (gnus-activate-group group))
9135 (gnus-summary-goto-article (cdr group-art) nil t)
9137 (gnus-summary-edit-article))))
9139 (defun gnus-summary-create-article ()
9140 "Create an article in a mail newsgroup."
9142 (let ((group gnus-newsgroup-name)
9143 (now (current-time))
9145 (unless (gnus-check-backend-function 'request-accept-article group)
9146 (error "%s does not support article importing" group))
9148 (set-buffer (gnus-get-buffer-create " *import file*"))
9150 (goto-char (point-min))
9151 ;; This doesn't look like an article, so we fudge some headers.
9152 (insert "From: " (read-string "From: ") "\n"
9153 "Subject: " (read-string "Subject: ") "\n"
9154 "Date: " (message-make-date now) "\n"
9155 "Message-ID: " (message-make-message-id) "\n")
9156 (setq group-art (gnus-request-accept-article group nil t))
9157 (kill-buffer (current-buffer)))
9158 (setq gnus-newsgroup-active (gnus-activate-group group))
9160 (gnus-summary-goto-article (cdr group-art) nil t)
9161 (gnus-summary-edit-article)))
9163 (defun gnus-summary-article-posted-p ()
9164 "Say whether the current (mail) article is available from news as well.
9165 This will be the case if the article has both been mailed and posted."
9167 (let ((id (mail-header-references (gnus-summary-article-header)))
9168 (gnus-override-method (car (gnus-refer-article-methods))))
9169 (if (gnus-request-head id "")
9170 (gnus-message 2 "The current message was found on %s"
9171 gnus-override-method)
9172 (gnus-message 2 "The current message couldn't be found on %s"
9173 gnus-override-method)
9176 (defun gnus-summary-expire-articles (&optional now)
9177 "Expire all articles that are marked as expirable in the current group."
9179 (when (and (not gnus-group-is-exiting-without-update-p)
9180 (gnus-check-backend-function
9181 'request-expire-articles gnus-newsgroup-name))
9182 ;; This backend supports expiry.
9183 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
9184 (expirable (if total
9186 ;; We need to update the info for
9187 ;; this group for `gnus-list-of-read-articles'
9188 ;; to give us the right answer.
9189 (gnus-run-hooks 'gnus-exit-group-hook)
9190 (gnus-summary-update-info)
9191 (gnus-list-of-read-articles gnus-newsgroup-name))
9192 (setq gnus-newsgroup-expirable
9193 (sort gnus-newsgroup-expirable '<))))
9194 (expiry-wait (if now 'immediate
9195 (gnus-group-find-parameter
9196 gnus-newsgroup-name 'expiry-wait)))
9197 (nnmail-expiry-target
9198 (or (gnus-group-find-parameter gnus-newsgroup-name 'expiry-target)
9199 nnmail-expiry-target))
9202 ;; There are expirable articles in this group, so we run them
9203 ;; through the expiry process.
9204 (gnus-message 6 "Expiring articles...")
9205 (unless (gnus-check-group gnus-newsgroup-name)
9206 (error "Can't open server for %s" gnus-newsgroup-name))
9207 ;; The list of articles that weren't expired is returned.
9210 (let ((nnmail-expiry-wait-function nil)
9211 (nnmail-expiry-wait expiry-wait))
9212 (setq es (gnus-request-expire-articles
9213 expirable gnus-newsgroup-name)))
9214 (setq es (gnus-request-expire-articles
9215 expirable gnus-newsgroup-name)))
9217 (setq gnus-newsgroup-expirable es))
9218 ;; We go through the old list of expirable, and mark all
9219 ;; really expired articles as nonexistent.
9220 (unless (eq es expirable) ;If nothing was expired, we don't mark.
9221 (let ((gnus-use-cache nil))
9222 (dolist (article expirable)
9223 (when (and (not (memq article es))
9224 (gnus-data-find article))
9225 (gnus-summary-mark-article article gnus-canceled-mark)
9226 (run-hook-with-args 'gnus-summary-article-expire-hook
9229 (assoc article (gnus-data-list nil)))
9233 (gnus-message 6 "Expiring articles...done")))))
9235 (defun gnus-summary-expire-articles-now ()
9236 "Expunge all expirable articles in the current group.
9237 This means that *all* articles that are marked as expirable will be
9238 deleted forever, right now."
9240 (or gnus-expert-user
9242 "Are you really, really, really sure you want to delete all these messages? ")
9244 (gnus-summary-expire-articles t))
9246 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
9247 (defun gnus-summary-delete-article (&optional n)
9248 "Delete the N next (mail) articles.
9249 This command actually deletes articles. This is not a marking
9250 command. The article will disappear forever from your life, never to
9253 If N is negative, delete backwards.
9254 If N is nil and articles have been marked with the process mark,
9255 delete these instead.
9257 If `gnus-novice-user' is non-nil you will be asked for
9258 confirmation before the articles are deleted."
9260 (unless (gnus-check-backend-function 'request-expire-articles
9261 gnus-newsgroup-name)
9262 (error "The current newsgroup does not support article deletion"))
9263 (unless (gnus-check-server (gnus-find-method-for-group gnus-newsgroup-name))
9264 (error "Couldn't open server"))
9265 ;; Compute the list of articles to delete.
9266 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
9267 (nnmail-expiry-target 'delete)
9269 (if (and gnus-novice-user
9270 (not (gnus-yes-or-no-p
9271 (format "Do you really want to delete %s forever? "
9272 (if (> (length articles) 1)
9273 (format "these %s articles" (length articles))
9276 ;; Delete the articles.
9277 (setq not-deleted (gnus-request-expire-articles
9278 articles gnus-newsgroup-name 'force))
9280 (gnus-summary-remove-process-mark (car articles))
9281 ;; The backend might not have been able to delete the article
9283 (unless (memq (car articles) not-deleted)
9284 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
9285 (let* ((article (car articles))
9286 (id (mail-header-id (gnus-data-header
9287 (assoc article (gnus-data-list nil))))))
9288 (run-hook-with-args 'gnus-summary-article-delete-hook
9289 'delete id gnus-newsgroup-name nil
9291 (setq articles (cdr articles)))
9293 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
9294 (gnus-summary-position-point)
9295 (gnus-set-mode-line 'summary)
9298 (defun gnus-summary-edit-article (&optional arg)
9299 "Edit the current article.
9300 This will have permanent effect only in mail groups.
9301 If ARG is nil, edit the decoded articles.
9302 If ARG is 1, edit the raw articles.
9303 If ARG is 2, edit the raw articles even in read-only groups.
9304 If ARG is 3, edit the articles with the current handles.
9305 Otherwise, allow editing of articles even in read-only
9308 (let (force raw current-handles)
9317 (setq current-handles
9318 (and (gnus-buffer-live-p gnus-article-buffer)
9319 (with-current-buffer gnus-article-buffer
9321 gnus-article-mime-handles
9322 (setq gnus-article-mime-handles nil))))))
9325 (when (and raw (not force)
9326 (member gnus-newsgroup-name '("nndraft:delayed"
9329 (error "Can't edit the raw article in group %s"
9330 gnus-newsgroup-name))
9332 (set-buffer gnus-summary-buffer)
9333 (let ((mail-parse-charset gnus-newsgroup-charset)
9334 (mail-parse-ignored-charsets gnus-newsgroup-ignored-charsets))
9335 (gnus-set-global-variables)
9336 (when (and (not force)
9337 (gnus-group-read-only-p))
9338 (error "The current newsgroup does not support article editing"))
9339 (gnus-summary-show-article t)
9340 (when (and (not raw) (gnus-buffer-live-p gnus-article-buffer))
9341 (with-current-buffer gnus-article-buffer
9342 (mm-enable-multibyte)))
9343 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
9345 (gnus-article-edit-article
9348 (let ((mbl mml-buffer-list))
9349 (setq mml-buffer-list nil)
9350 (mime-to-mml ,'current-handles)
9351 (let ((mbl1 mml-buffer-list))
9352 (setq mml-buffer-list mbl)
9353 (set (make-local-variable 'mml-buffer-list) mbl1))
9354 (gnus-make-local-hook 'kill-buffer-hook)
9355 (add-hook 'kill-buffer-hook 'mml-destroy-buffers t t))))
9356 `(lambda (no-highlight)
9357 (let ((mail-parse-charset ',gnus-newsgroup-charset)
9358 (message-options message-options)
9359 (message-options-set-recipient)
9360 (mail-parse-ignored-charsets
9361 ',gnus-newsgroup-ignored-charsets))
9362 ,(if (not raw) '(progn
9364 (mml-destroy-buffers)
9365 (remove-hook 'kill-buffer-hook
9366 'mml-destroy-buffers t)
9367 (kill-local-variable 'mml-buffer-list)))
9368 (gnus-summary-edit-article-done
9369 ,(or (mail-header-references gnus-current-headers) "")
9370 ,(gnus-group-read-only-p)
9371 ,gnus-summary-buffer no-highlight))))))))
9373 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
9375 (defun gnus-summary-edit-article-done (&optional references read-only buffer
9377 "Make edits to the current article permanent."
9380 ;; The buffer restriction contains the entire article if it exists.
9381 (when (article-goto-body)
9382 (let ((lines (count-lines (point) (point-max)))
9383 (length (- (point-max) (point)))
9384 (case-fold-search t)
9385 (body (copy-marker (point))))
9386 (goto-char (point-min))
9387 (when (re-search-forward "^content-length:[ \t]\\([0-9]+\\)" body t)
9388 (delete-region (match-beginning 1) (match-end 1))
9389 (insert (number-to-string length)))
9390 (goto-char (point-min))
9391 (when (re-search-forward
9392 "^x-content-length:[ \t]\\([0-9]+\\)" body t)
9393 (delete-region (match-beginning 1) (match-end 1))
9394 (insert (number-to-string length)))
9395 (goto-char (point-min))
9396 (when (re-search-forward "^lines:[ \t]\\([0-9]+\\)" body t)
9397 (delete-region (match-beginning 1) (match-end 1))
9398 (insert (number-to-string lines))))))
9399 ;; Replace the article.
9400 (let ((buf (current-buffer)))
9402 (insert-buffer-substring buf)
9404 (if (and (not read-only)
9405 (not (gnus-request-replace-article
9406 (cdr gnus-article-current) (car gnus-article-current)
9407 (current-buffer) t)))
9408 (error "Couldn't replace article")
9409 ;; Update the summary buffer.
9411 (equal (message-tokenize-header references " ")
9412 (message-tokenize-header
9413 (or (message-fetch-field "references") "") " ")))
9414 ;; We only have to update this line.
9417 (message-narrow-to-head)
9418 (let ((head (buffer-string))
9421 (insert (format "211 %d Article retrieved.\n"
9422 (cdr gnus-article-current)))
9425 (let ((nntp-server-buffer (current-buffer)))
9426 (setq header (car (gnus-get-newsgroup-headers
9429 (set-buffer gnus-summary-buffer)
9430 (gnus-data-set-header
9431 (gnus-data-find (cdr gnus-article-current))
9433 (gnus-summary-update-article-line
9434 (cdr gnus-article-current) header)
9435 (if (gnus-summary-goto-subject
9436 (cdr gnus-article-current) nil t)
9437 (gnus-summary-update-secondary-mark
9438 (cdr gnus-article-current))))))))
9440 (set-buffer (or buffer gnus-summary-buffer))
9441 (gnus-summary-update-article (cdr gnus-article-current))
9442 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
9443 (gnus-summary-update-secondary-mark
9444 (cdr gnus-article-current))))
9445 ;; Prettify the article buffer again.
9446 (unless no-highlight
9448 (set-buffer gnus-article-buffer)
9449 ;;;!!! Fix this -- article should be rehighlighted.
9450 ;;;(gnus-run-hooks 'gnus-article-display-hook)
9451 (set-buffer gnus-original-article-buffer)
9452 (gnus-request-article
9453 (cdr gnus-article-current)
9454 (car gnus-article-current) (current-buffer))))
9455 ;; Prettify the summary buffer line.
9456 (when (gnus-visual-p 'summary-highlight 'highlight)
9457 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
9459 (defun gnus-summary-edit-wash (key)
9460 "Perform editing command KEY in the article buffer."
9464 (message "%s" (concat (this-command-keys) "- "))
9467 (gnus-summary-edit-article)
9468 (execute-kbd-macro (concat (this-command-keys) key))
9469 (gnus-article-edit-done))
9473 (defun gnus-summary-respool-query (&optional silent trace)
9474 "Query where the respool algorithm would put this article."
9476 (let (gnus-mark-article-hook)
9477 (gnus-summary-select-article)
9479 (set-buffer gnus-original-article-buffer)
9480 (let ((groups (nnmail-article-group 'identity trace)))
9483 (message "This message would go to %s"
9484 (mapconcat 'car groups ", "))
9485 (message "This message would go to no groups"))
9488 (defun gnus-summary-respool-trace ()
9489 "Trace where the respool algorithm would put this article.
9490 Display a buffer showing all fancy splitting patterns which matched."
9492 (gnus-summary-respool-query nil t))
9494 ;; Summary marking commands.
9496 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
9497 "Mark articles which has the same subject as read, and then select the next.
9498 If UNMARK is positive, remove any kind of mark.
9499 If UNMARK is negative, tick articles."
9502 (setq unmark (prefix-numeric-value unmark)))
9504 (gnus-summary-mark-same-subject
9505 (gnus-summary-article-subject) unmark)))
9506 ;; Select next unread article. If auto-select-same mode, should
9507 ;; select the first unread article.
9508 (gnus-summary-next-article t (and gnus-auto-select-same
9509 (gnus-summary-article-subject)))
9510 (gnus-message 7 "%d article%s marked as %s"
9511 count (if (= count 1) " is" "s are")
9512 (if unmark "unread" "read"))))
9514 (defun gnus-summary-kill-same-subject (&optional unmark)
9515 "Mark articles which has the same subject as read.
9516 If UNMARK is positive, remove any kind of mark.
9517 If UNMARK is negative, tick articles."
9520 (setq unmark (prefix-numeric-value unmark)))
9522 (gnus-summary-mark-same-subject
9523 (gnus-summary-article-subject) unmark)))
9524 ;; If marked as read, go to next unread subject.
9526 ;; Go to next unread subject.
9527 (gnus-summary-next-subject 1 t))
9528 (gnus-message 7 "%d articles are marked as %s"
9529 count (if unmark "unread" "read"))))
9531 (defun gnus-summary-mark-same-subject (subject &optional unmark)
9532 "Mark articles with same SUBJECT as read, and return marked number.
9533 If optional argument UNMARK is positive, remove any kinds of marks.
9534 If optional argument UNMARK is negative, mark articles as unread instead."
9538 ((null unmark) ; Mark as read.
9541 (gnus-summary-mark-article-as-read gnus-killed-mark)
9542 (gnus-summary-show-thread) t)
9543 (gnus-summary-find-subject subject))
9544 (setq count (1+ count))))
9545 ((> unmark 0) ; Tick.
9548 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
9549 (gnus-summary-show-thread) t)
9550 (gnus-summary-find-subject subject))
9551 (setq count (1+ count))))
9552 (t ; Mark as unread.
9555 (gnus-summary-mark-article-as-unread gnus-unread-mark)
9556 (gnus-summary-show-thread) t)
9557 (gnus-summary-find-subject subject))
9558 (setq count (1+ count)))))
9559 (gnus-set-mode-line 'summary)
9560 ;; Return the number of marked articles.
9563 (defun gnus-summary-mark-as-processable (n &optional unmark)
9564 "Set the process mark on the next N articles.
9565 If N is negative, mark backward instead. If UNMARK is non-nil, remove
9566 the process mark instead. The difference between N and the actual
9567 number of articles marked is returned."
9569 (if (and (null n) (gnus-region-active-p))
9570 (gnus-uu-mark-region (region-beginning) (region-end) unmark)
9571 (setq n (prefix-numeric-value n))
9572 (let ((backward (< n 0))
9577 (gnus-summary-remove-process-mark
9578 (gnus-summary-article-number))
9579 (gnus-summary-set-process-mark (gnus-summary-article-number)))
9580 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
9583 (gnus-message 7 "No more articles"))
9584 (gnus-summary-recenter)
9585 (gnus-summary-position-point)
9588 (defun gnus-summary-unmark-as-processable (n)
9589 "Remove the process mark from the next N articles.
9590 If N is negative, unmark backward instead. The difference between N and
9591 the actual number of articles unmarked is returned."
9593 (gnus-summary-mark-as-processable n t))
9595 (defun gnus-summary-unmark-all-processable ()
9596 "Remove the process mark from all articles."
9599 (while gnus-newsgroup-processable
9600 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
9601 (gnus-summary-position-point))
9603 (defun gnus-summary-add-mark (article type)
9604 "Mark ARTICLE with a mark of TYPE."
9605 (let ((vtype (car (assq type gnus-article-mark-lists)))
9608 (error "No such mark type: %s" type)
9609 (setq var (intern (format "gnus-newsgroup-%s" type)))
9610 (set var (cons article (symbol-value var)))
9611 (if (memq type '(processable cached replied forwarded recent saved))
9612 (gnus-summary-update-secondary-mark article)
9613 ;;; !!! This is bogus. We should find out what primary
9614 ;;; !!! mark we want to set.
9615 (gnus-summary-update-mark gnus-del-mark 'unread)))))
9617 (defun gnus-summary-mark-as-expirable (n)
9618 "Mark N articles forward as expirable.
9619 If N is negative, mark backward instead. The difference between N and
9620 the actual number of articles marked is returned."
9622 (gnus-summary-mark-forward n gnus-expirable-mark))
9624 (defun gnus-summary-mark-as-spam (n)
9625 "Mark N articles forward as spam.
9626 If N is negative, mark backward instead. The difference between N and
9627 the actual number of articles marked is returned."
9629 (gnus-summary-mark-forward n gnus-spam-mark))
9631 (defun gnus-summary-mark-article-as-replied (article)
9632 "Mark ARTICLE as replied to and update the summary line.
9633 ARTICLE can also be a list of articles."
9634 (interactive (list (gnus-summary-article-number)))
9635 (let ((articles (if (listp article) article (list article))))
9636 (dolist (article articles)
9637 (unless (numberp article)
9638 (error "%s is not a number" article))
9639 (push article gnus-newsgroup-replied)
9640 (let ((buffer-read-only nil))
9641 (when (gnus-summary-goto-subject article nil t)
9642 (gnus-summary-update-secondary-mark article))))))
9644 (defun gnus-summary-mark-article-as-forwarded (article)
9645 "Mark ARTICLE as forwarded and update the summary line.
9646 ARTICLE can also be a list of articles."
9647 (let ((articles (if (listp article) article (list article))))
9648 (dolist (article articles)
9649 (push article gnus-newsgroup-forwarded)
9650 (let ((buffer-read-only nil))
9651 (when (gnus-summary-goto-subject article nil t)
9652 (gnus-summary-update-secondary-mark article))))))
9654 (defun gnus-summary-set-bookmark (article)
9655 "Set a bookmark in current article."
9656 (interactive (list (gnus-summary-article-number)))
9657 (when (or (not (get-buffer gnus-article-buffer))
9658 (not gnus-current-article)
9659 (not gnus-article-current)
9660 (not (equal gnus-newsgroup-name (car gnus-article-current))))
9661 (error "No current article selected"))
9662 ;; Remove old bookmark, if one exists.
9663 (gnus-pull article gnus-newsgroup-bookmarks)
9664 ;; Set the new bookmark, which is on the form
9665 ;; (article-number . line-number-in-body).
9669 (set-buffer gnus-article-buffer)
9676 gnus-newsgroup-bookmarks)
9677 (gnus-message 6 "A bookmark has been added to the current article."))
9679 (defun gnus-summary-remove-bookmark (article)
9680 "Remove the bookmark from the current article."
9681 (interactive (list (gnus-summary-article-number)))
9682 ;; Remove old bookmark, if one exists.
9683 (if (not (assq article gnus-newsgroup-bookmarks))
9684 (gnus-message 6 "No bookmark in current article.")
9685 (gnus-pull article gnus-newsgroup-bookmarks)
9686 (gnus-message 6 "Removed bookmark.")))
9688 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
9689 (defun gnus-summary-mark-as-dormant (n)
9690 "Mark N articles forward as dormant.
9691 If N is negative, mark backward instead. The difference between N and
9692 the actual number of articles marked is returned."
9694 (gnus-summary-mark-forward n gnus-dormant-mark))
9696 (defun gnus-summary-set-process-mark (article)
9697 "Set the process mark on ARTICLE and update the summary line."
9698 (setq gnus-newsgroup-processable
9700 (delq article gnus-newsgroup-processable)))
9701 (when (gnus-summary-goto-subject article)
9702 (gnus-summary-show-thread)
9703 (gnus-summary-goto-subject article)
9704 (gnus-summary-update-secondary-mark article)))
9706 (defun gnus-summary-remove-process-mark (article)
9707 "Remove the process mark from ARTICLE and update the summary line."
9708 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
9709 (when (gnus-summary-goto-subject article)
9710 (gnus-summary-show-thread)
9711 (gnus-summary-goto-subject article)
9712 (gnus-summary-update-secondary-mark article)))
9714 (defun gnus-summary-set-saved-mark (article)
9715 "Set the process mark on ARTICLE and update the summary line."
9716 (push article gnus-newsgroup-saved)
9717 (when (gnus-summary-goto-subject article)
9718 (gnus-summary-update-secondary-mark article)))
9720 (defun gnus-summary-mark-forward (n &optional mark no-expire)
9721 "Mark N articles as read forwards.
9722 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
9723 The difference between N and the actual number of articles marked is
9725 If NO-EXPIRE, auto-expiry will be inhibited."
9727 (gnus-summary-show-thread)
9728 (let ((backward (< n 0))
9729 (gnus-summary-goto-unread
9730 (and gnus-summary-goto-unread
9731 (not (eq gnus-summary-goto-unread 'never))
9732 (not (memq mark (list gnus-unread-mark gnus-spam-mark
9733 gnus-ticked-mark gnus-dormant-mark)))))
9735 (mark (or mark gnus-del-mark)))
9737 (gnus-summary-mark-article nil mark no-expire)
9738 (zerop (gnus-summary-next-subject
9740 (and gnus-summary-goto-unread
9741 (not (eq gnus-summary-goto-unread 'never)))
9745 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
9746 (gnus-summary-recenter)
9747 (gnus-summary-position-point)
9748 (gnus-set-mode-line 'summary)
9751 (defun gnus-summary-mark-article-as-read (mark)
9752 "Mark the current article quickly as read with MARK."
9753 (let ((article (gnus-summary-article-number)))
9754 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9755 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9756 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
9757 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9758 (push (cons article mark) gnus-newsgroup-reads)
9759 ;; Possibly remove from cache, if that is used.
9760 (when gnus-use-cache
9761 (gnus-cache-enter-remove-article article))
9762 ;; Allow the backend to change the mark.
9763 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9764 ;; Check for auto-expiry.
9765 (when (and gnus-newsgroup-auto-expire
9766 (memq mark gnus-auto-expirable-marks))
9767 (setq mark gnus-expirable-mark)
9768 ;; Let the backend know about the mark change.
9769 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9770 (push article gnus-newsgroup-expirable))
9771 ;; Set the mark in the buffer.
9772 (gnus-summary-update-mark mark 'unread)
9775 (defun gnus-summary-mark-article-as-unread (mark)
9776 "Mark the current article quickly as unread with MARK."
9777 (let* ((article (gnus-summary-article-number))
9778 (old-mark (gnus-summary-article-mark article)))
9779 ;; Allow the backend to change the mark.
9780 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9781 (if (eq mark old-mark)
9785 (gnus-error 1 "Can't mark negative article numbers")
9787 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9788 (setq gnus-newsgroup-spam-marked
9789 (delq article gnus-newsgroup-spam-marked))
9790 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9791 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
9792 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
9793 (cond ((= mark gnus-ticked-mark)
9794 (setq gnus-newsgroup-marked
9795 (gnus-add-to-sorted-list gnus-newsgroup-marked
9797 ((= mark gnus-spam-mark)
9798 (setq gnus-newsgroup-spam-marked
9799 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
9801 ((= mark gnus-dormant-mark)
9802 (setq gnus-newsgroup-dormant
9803 (gnus-add-to-sorted-list gnus-newsgroup-dormant
9806 (setq gnus-newsgroup-unreads
9807 (gnus-add-to-sorted-list gnus-newsgroup-unreads
9809 (gnus-pull article gnus-newsgroup-reads)
9811 ;; See whether the article is to be put in the cache.
9813 (vectorp (gnus-summary-article-header article))
9815 (gnus-cache-possibly-enter-article
9816 gnus-newsgroup-name article
9817 (= mark gnus-ticked-mark)
9818 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
9821 (gnus-summary-update-mark mark 'unread)
9824 (defun gnus-summary-mark-article (&optional article mark no-expire)
9825 "Mark ARTICLE with MARK. MARK can be any character.
9826 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
9827 `??' (dormant) and `?E' (expirable).
9828 If MARK is nil, then the default character `?r' is used.
9829 If ARTICLE is nil, then the article on the current line will be
9831 If NO-EXPIRE, auto-expiry will be inhibited."
9832 ;; The mark might be a string.
9833 (when (stringp mark)
9834 (setq mark (aref mark 0)))
9835 ;; If no mark is given, then we check auto-expiring.
9837 (setq mark gnus-del-mark))
9838 (when (and (not no-expire)
9839 gnus-newsgroup-auto-expire
9840 (memq mark gnus-auto-expirable-marks))
9841 (setq mark gnus-expirable-mark))
9842 (let ((article (or article (gnus-summary-article-number)))
9843 (old-mark (gnus-summary-article-mark article)))
9844 ;; Allow the backend to change the mark.
9845 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
9846 (if (eq mark old-mark)
9849 (error "No article on current line"))
9850 (if (not (if (or (= mark gnus-unread-mark)
9851 (= mark gnus-ticked-mark)
9852 (= mark gnus-spam-mark)
9853 (= mark gnus-dormant-mark))
9854 (gnus-mark-article-as-unread article mark)
9855 (gnus-mark-article-as-read article mark)))
9857 ;; See whether the article is to be put in the cache.
9859 (not (= mark gnus-canceled-mark))
9860 (vectorp (gnus-summary-article-header article))
9862 (gnus-cache-possibly-enter-article
9863 gnus-newsgroup-name article
9864 (= mark gnus-ticked-mark)
9865 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
9867 (when (gnus-summary-goto-subject article nil t)
9868 (let ((buffer-read-only nil))
9869 (gnus-summary-show-thread)
9871 (gnus-summary-update-mark mark 'unread)
9874 (defun gnus-summary-update-secondary-mark (article)
9875 "Update the secondary (read, process, cache) mark."
9876 (gnus-summary-update-mark
9877 (cond ((memq article gnus-newsgroup-processable)
9879 ((memq article gnus-newsgroup-cached)
9881 ((memq article gnus-newsgroup-replied)
9883 ((memq article gnus-newsgroup-forwarded)
9884 gnus-forwarded-mark)
9885 ((memq article gnus-newsgroup-saved)
9887 ((memq article gnus-newsgroup-recent)
9889 ((memq article gnus-newsgroup-unseen)
9893 (when (gnus-visual-p 'summary-highlight 'highlight)
9894 (gnus-run-hooks 'gnus-summary-update-hook))
9897 (defun gnus-summary-update-download-mark (article)
9898 "Update the download mark."
9899 (gnus-summary-update-mark
9900 (cond ((memq article gnus-newsgroup-undownloaded)
9901 gnus-undownloaded-mark)
9902 (gnus-newsgroup-agentized
9903 gnus-downloaded-mark)
9907 (gnus-summary-update-line t)
9910 (defun gnus-summary-update-mark (mark type)
9911 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
9912 (buffer-read-only nil))
9913 (re-search-backward "[\n\r]" (gnus-point-at-bol) 'move-to-limit)
9915 (when (looking-at "\r")
9917 (when (<= (+ forward (point)) (point-max))
9918 ;; Go to the right position on the line.
9919 (goto-char (+ forward (point)))
9920 ;; Replace the old mark with the new mark.
9921 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
9922 ;; Optionally update the marks by some user rule.
9923 (when (eq type 'unread)
9925 (gnus-data-find (gnus-summary-article-number)) mark)
9926 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
9928 (defun gnus-mark-article-as-read (article &optional mark)
9929 "Enter ARTICLE in the pertinent lists and remove it from others."
9930 ;; Make the article expirable.
9931 (let ((mark (or mark gnus-del-mark)))
9932 (setq gnus-newsgroup-expirable
9933 (if (= mark gnus-expirable-mark)
9934 (gnus-add-to-sorted-list gnus-newsgroup-expirable article)
9935 (delq article gnus-newsgroup-expirable)))
9936 ;; Remove from unread and marked lists.
9937 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9938 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
9939 (setq gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked))
9940 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
9941 (push (cons article mark) gnus-newsgroup-reads)
9942 ;; Possibly remove from cache, if that is used.
9943 (when gnus-use-cache
9944 (gnus-cache-enter-remove-article article))
9947 (defun gnus-mark-article-as-unread (article &optional mark)
9948 "Enter ARTICLE in the pertinent lists and remove it from others."
9949 (let ((mark (or mark gnus-ticked-mark)))
9952 (gnus-error 1 "Can't mark negative article numbers")
9954 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
9955 gnus-newsgroup-spam-marked (delq article gnus-newsgroup-spam-marked)
9956 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
9957 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
9958 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
9960 ;; Unsuppress duplicates?
9961 (when gnus-suppress-duplicates
9962 (gnus-dup-unsuppress-article article))
9964 (cond ((= mark gnus-ticked-mark)
9965 (setq gnus-newsgroup-marked
9966 (gnus-add-to-sorted-list gnus-newsgroup-marked article)))
9967 ((= mark gnus-spam-mark)
9968 (setq gnus-newsgroup-spam-marked
9969 (gnus-add-to-sorted-list gnus-newsgroup-spam-marked
9971 ((= mark gnus-dormant-mark)
9972 (setq gnus-newsgroup-dormant
9973 (gnus-add-to-sorted-list gnus-newsgroup-dormant article)))
9975 (setq gnus-newsgroup-unreads
9976 (gnus-add-to-sorted-list gnus-newsgroup-unreads article))))
9977 (gnus-pull article gnus-newsgroup-reads)
9980 (defalias 'gnus-summary-mark-as-unread-forward
9981 'gnus-summary-tick-article-forward)
9982 (make-obsolete 'gnus-summary-mark-as-unread-forward
9983 'gnus-summary-tick-article-forward)
9984 (defun gnus-summary-tick-article-forward (n)
9985 "Tick N articles forwards.
9986 If N is negative, tick backwards instead.
9987 The difference between N and the number of articles ticked is returned."
9989 (gnus-summary-mark-forward n gnus-ticked-mark))
9991 (defalias 'gnus-summary-mark-as-unread-backward
9992 'gnus-summary-tick-article-backward)
9993 (make-obsolete 'gnus-summary-mark-as-unread-backward
9994 'gnus-summary-tick-article-backward)
9995 (defun gnus-summary-tick-article-backward (n)
9996 "Tick N articles backwards.
9997 The difference between N and the number of articles ticked is returned."
9999 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
10001 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10002 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
10003 (defun gnus-summary-tick-article (&optional article clear-mark)
10004 "Mark current article as unread.
10005 Optional 1st argument ARTICLE specifies article number to be marked as unread.
10006 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
10008 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
10009 gnus-ticked-mark)))
10011 (defun gnus-summary-mark-as-read-forward (n)
10012 "Mark N articles as read forwards.
10013 If N is negative, mark backwards instead.
10014 The difference between N and the actual number of articles marked is
10017 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
10019 (defun gnus-summary-mark-as-read-backward (n)
10020 "Mark the N articles as read backwards.
10021 The difference between N and the actual number of articles marked is
10024 (gnus-summary-mark-forward
10025 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
10027 (defun gnus-summary-mark-as-read (&optional article mark)
10028 "Mark current article as read.
10029 ARTICLE specifies the article to be marked as read.
10030 MARK specifies a string to be inserted at the beginning of the line."
10031 (gnus-summary-mark-article article mark))
10033 (defun gnus-summary-clear-mark-forward (n)
10034 "Clear marks from N articles forward.
10035 If N is negative, clear backward instead.
10036 The difference between N and the number of marks cleared is returned."
10038 (gnus-summary-mark-forward n gnus-unread-mark))
10040 (defun gnus-summary-clear-mark-backward (n)
10041 "Clear marks from N articles backward.
10042 The difference between N and the number of marks cleared is returned."
10044 (gnus-summary-mark-forward (- n) gnus-unread-mark))
10046 (defun gnus-summary-mark-unread-as-read ()
10047 "Intended to be used by `gnus-summary-mark-article-hook'."
10048 (when (memq gnus-current-article gnus-newsgroup-unreads)
10049 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
10051 (defun gnus-summary-mark-read-and-unread-as-read (&optional new-mark)
10052 "Intended to be used by `gnus-summary-mark-article-hook'."
10053 (let ((mark (gnus-summary-article-mark)))
10054 (when (or (gnus-unread-mark-p mark)
10055 (gnus-read-mark-p mark))
10056 (gnus-summary-mark-article gnus-current-article
10057 (or new-mark gnus-read-mark)))))
10059 (defun gnus-summary-mark-current-read-and-unread-as-read (&optional new-mark)
10060 "Intended to be used by `gnus-summary-mark-article-hook'."
10061 (let ((mark (gnus-summary-article-mark)))
10062 (when (or (gnus-unread-mark-p mark)
10063 (gnus-read-mark-p mark))
10064 (gnus-summary-mark-article (gnus-summary-article-number)
10065 (or new-mark gnus-read-mark)))))
10067 (defun gnus-summary-mark-unread-as-ticked ()
10068 "Intended to be used by `gnus-summary-mark-article-hook'."
10069 (when (memq gnus-current-article gnus-newsgroup-unreads)
10070 (gnus-summary-mark-article gnus-current-article gnus-ticked-mark)))
10072 (defun gnus-summary-mark-region-as-read (point mark all)
10073 "Mark all unread articles between point and mark as read.
10074 If given a prefix, mark all articles between point and mark as read,
10075 even ticked and dormant ones."
10076 (interactive "r\nP")
10080 (beginning-of-line)
10085 (memq (setq article (gnus-summary-article-number))
10086 gnus-newsgroup-unreads))
10087 (gnus-summary-mark-article article gnus-del-mark))
10089 (gnus-summary-find-next))))))
10091 (defun gnus-summary-mark-below (score mark)
10092 "Mark articles with score less than SCORE with MARK."
10093 (interactive "P\ncMark: ")
10094 (setq score (if score
10095 (prefix-numeric-value score)
10096 (or gnus-summary-default-score 0)))
10098 (set-buffer gnus-summary-buffer)
10099 (goto-char (point-min))
10102 (and (< (gnus-summary-article-score) score)
10103 (gnus-summary-mark-article nil mark))
10104 (gnus-summary-find-next)))))
10106 (defun gnus-summary-kill-below (&optional score)
10107 "Mark articles with score below SCORE as read."
10109 (gnus-summary-mark-below score gnus-killed-mark))
10111 (defun gnus-summary-clear-above (&optional score)
10112 "Clear all marks from articles with score above SCORE."
10114 (gnus-summary-mark-above score gnus-unread-mark))
10116 (defun gnus-summary-tick-above (&optional score)
10117 "Tick all articles with score above SCORE."
10119 (gnus-summary-mark-above score gnus-ticked-mark))
10121 (defun gnus-summary-mark-above (score mark)
10122 "Mark articles with score over SCORE with MARK."
10123 (interactive "P\ncMark: ")
10124 (setq score (if score
10125 (prefix-numeric-value score)
10126 (or gnus-summary-default-score 0)))
10128 (set-buffer gnus-summary-buffer)
10129 (goto-char (point-min))
10131 (when (> (gnus-summary-article-score) score)
10132 (gnus-summary-mark-article nil mark))
10134 (gnus-summary-find-next)))))
10136 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
10137 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
10138 (defun gnus-summary-limit-include-expunged (&optional no-error)
10139 "Display all the hidden articles that were expunged for low scores."
10141 (let ((buffer-read-only nil))
10142 (let ((scored gnus-newsgroup-scored)
10145 (unless (gnus-summary-article-header (caar scored))
10146 (and (setq h (gnus-number-to-header (caar scored)))
10147 (< (cdar scored) gnus-summary-expunge-below)
10149 (setq scored (cdr scored)))
10151 (when (not no-error)
10152 (error "No expunged articles hidden"))
10153 (goto-char (point-min))
10154 (push gnus-newsgroup-limit gnus-newsgroup-limits)
10155 (setq gnus-newsgroup-limit (copy-sequence gnus-newsgroup-limit))
10156 (mapcar (lambda (x) (push (mail-header-number x)
10157 gnus-newsgroup-limit))
10159 (gnus-summary-prepare-unthreaded (nreverse headers))
10160 (goto-char (point-min))
10161 (gnus-summary-position-point)
10164 (defun gnus-summary-catchup (&optional all quietly to-here not-mark reverse)
10165 "Mark all unread articles in this newsgroup as read.
10166 If prefix argument ALL is non-nil, ticked and dormant articles will
10167 also be marked as read.
10168 If QUIETLY is non-nil, no questions will be asked.
10170 If TO-HERE is non-nil, it should be a point in the buffer. All
10171 articles before (after, if REVERSE is set) this point will be marked
10174 Note that this function will only catch up the unread article
10175 in the current summary buffer limitation.
10177 The number of articles marked as read is returned."
10182 (not gnus-interactive-catchup) ;Without confirmation?
10186 "Mark absolutely all articles as read? "
10187 "Mark all unread articles as read? ")))
10189 (not gnus-newsgroup-adaptive)
10190 (not gnus-newsgroup-auto-expire)
10191 (not gnus-suppress-duplicates)
10192 (or (not gnus-use-cache)
10193 (eq gnus-use-cache 'passive)))
10196 (setq gnus-newsgroup-marked nil
10197 gnus-newsgroup-spam-marked nil
10198 gnus-newsgroup-dormant nil))
10199 (setq gnus-newsgroup-unreads
10200 (gnus-sorted-nunion
10201 (gnus-intersection gnus-newsgroup-unreads
10202 gnus-newsgroup-downloadable)
10203 gnus-newsgroup-unfetched)))
10204 ;; We actually mark all articles as canceled, which we
10205 ;; have to do when using auto-expiry or adaptive scoring.
10206 (gnus-summary-show-all-threads)
10207 (if (and to-here reverse)
10209 (goto-char to-here)
10210 (gnus-summary-mark-current-read-and-unread-as-read
10212 (while (gnus-summary-find-next (not all))
10213 (gnus-summary-mark-article-as-read gnus-catchup-mark)))
10214 (when (gnus-summary-first-subject (not all))
10216 (if to-here (< (point) to-here) t)
10217 (gnus-summary-mark-article-as-read gnus-catchup-mark)
10218 (gnus-summary-find-next (not all))))))
10219 (gnus-set-mode-line 'summary))
10221 (gnus-summary-position-point)))
10223 (defun gnus-summary-catchup-to-here (&optional all)
10224 "Mark all unticked articles before the current one as read.
10225 If ALL is non-nil, also mark ticked and dormant articles as read."
10228 (gnus-save-hidden-threads
10229 (let ((beg (point)))
10230 ;; We check that there are unread articles.
10231 (when (or all (gnus-summary-find-prev))
10232 (gnus-summary-catchup all t beg)))))
10233 (gnus-summary-position-point))
10235 (defun gnus-summary-catchup-from-here (&optional all)
10236 "Mark all unticked articles after (and including) the current one as read.
10237 If ALL is non-nil, also mark ticked and dormant articles as read."
10240 (gnus-save-hidden-threads
10241 (let ((beg (point)))
10242 ;; We check that there are unread articles.
10243 (when (or all (gnus-summary-find-next))
10244 (gnus-summary-catchup all t beg nil t)))))
10245 (gnus-summary-position-point))
10247 (defun gnus-summary-catchup-all (&optional quietly)
10248 "Mark all articles in this newsgroup as read.
10249 This command is dangerous. Normally, you want \\[gnus-summary-catchup]
10250 instead, which marks only unread articles as read."
10252 (gnus-summary-catchup t quietly))
10254 (defun gnus-summary-catchup-and-exit (&optional all quietly)
10255 "Mark all unread articles in this group as read, then exit.
10256 If prefix argument ALL is non-nil, all articles are marked as read.
10257 If QUIETLY is non-nil, no questions will be asked."
10259 (when (gnus-summary-catchup all quietly nil 'fast)
10260 ;; Select next newsgroup or exit.
10261 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
10262 (eq gnus-auto-select-next 'quietly))
10263 (gnus-summary-next-group nil)
10264 (gnus-summary-exit))))
10266 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
10267 "Mark all articles in this newsgroup as read, and then exit.
10268 This command is dangerous. Normally, you want \\[gnus-summary-catchup-and-exit]
10269 instead, which marks only unread articles as read."
10271 (gnus-summary-catchup-and-exit t quietly))
10273 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
10274 "Mark all articles in this group as read and select the next group.
10275 If given a prefix, mark all articles, unread as well as ticked, as
10279 (gnus-summary-catchup all))
10280 (gnus-summary-next-group))
10286 (defmacro gnus-with-article (article &rest forms)
10287 "Select ARTICLE and perform FORMS in the original article buffer.
10288 Then replace the article with the result."
10290 ;; We don't want the article to be marked as read.
10291 (let (gnus-mark-article-hook)
10292 (gnus-summary-select-article t t nil ,article))
10293 (set-buffer gnus-original-article-buffer)
10295 (if (not (gnus-check-backend-function
10296 'request-replace-article (car gnus-article-current)))
10297 (gnus-message 5 "Read-only group; not replacing")
10298 (unless (gnus-request-replace-article
10299 ,article (car gnus-article-current)
10300 (current-buffer) t)
10301 (error "Couldn't replace article")))
10302 ;; The cache and backlog have to be flushed somewhat.
10303 (when gnus-keep-backlog
10304 (gnus-backlog-remove-article
10305 (car gnus-article-current) (cdr gnus-article-current)))
10306 (when gnus-use-cache
10307 (gnus-cache-update-article
10308 (car gnus-article-current) (cdr gnus-article-current)))))
10310 (put 'gnus-with-article 'lisp-indent-function 1)
10311 (put 'gnus-with-article 'edebug-form-spec '(form body))
10313 ;; Thread-based commands.
10315 (defun gnus-summary-articles-in-thread (&optional article)
10316 "Return a list of all articles in the current thread.
10317 If ARTICLE is non-nil, return all articles in the thread that starts
10318 with that article."
10319 (let* ((article (or article (gnus-summary-article-number)))
10320 (data (gnus-data-find-list article))
10321 (top-level (gnus-data-level (car data)))
10323 (cond ((null gnus-thread-operation-ignore-subject)
10324 (gnus-simplify-subject-re
10325 (mail-header-subject (gnus-data-header (car data)))))
10326 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
10327 (gnus-simplify-subject-fuzzy
10328 (mail-header-subject (gnus-data-header (car data)))))
10330 (end-point (save-excursion
10331 (if (gnus-summary-go-to-next-thread)
10332 (point) (point-max))))
10335 (< (gnus-data-pos (car data)) end-point))
10336 (when (or (not top-subject)
10337 (string= top-subject
10338 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
10339 (gnus-simplify-subject-fuzzy
10340 (mail-header-subject
10341 (gnus-data-header (car data))))
10342 (gnus-simplify-subject-re
10343 (mail-header-subject
10344 (gnus-data-header (car data)))))))
10345 (push (gnus-data-number (car data)) articles))
10346 (unless (and (setq data (cdr data))
10347 (> (gnus-data-level (car data)) top-level))
10349 ;; Return the list of articles.
10350 (nreverse articles)))
10352 (defun gnus-summary-rethread-current ()
10353 "Rethread the thread the current article is part of."
10355 (let* ((gnus-show-threads t)
10356 (article (gnus-summary-article-number))
10357 (id (mail-header-id (gnus-summary-article-header)))
10358 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
10360 (error "No article on the current line"))
10361 (gnus-rebuild-thread id)
10362 (gnus-summary-goto-subject article)))
10364 (defun gnus-summary-reparent-thread ()
10365 "Make the current article child of the marked (or previous) article.
10367 Note that the re-threading will only work if `gnus-thread-ignore-subject'
10368 is non-nil or the Subject: of both articles are the same."
10370 (unless (not (gnus-group-read-only-p))
10371 (error "The current newsgroup does not support article editing"))
10372 (unless (<= (length gnus-newsgroup-processable) 1)
10373 (error "No more than one article may be marked"))
10374 (save-window-excursion
10375 (let ((gnus-article-buffer " *reparent*")
10376 (current-article (gnus-summary-article-number))
10377 ;; First grab the marked article, otherwise one line up.
10378 (parent-article (if (not (null gnus-newsgroup-processable))
10379 (car gnus-newsgroup-processable)
10381 (if (eq (forward-line -1) 0)
10382 (gnus-summary-article-number)
10383 (error "Beginning of summary buffer"))))))
10384 (unless (not (eq current-article parent-article))
10385 (error "An article may not be self-referential"))
10386 (let ((message-id (mail-header-id
10387 (gnus-summary-article-header parent-article))))
10388 (unless (and message-id (not (equal message-id "")))
10389 (error "No message-id in desired parent"))
10390 (gnus-with-article current-article
10392 (goto-char (point-min))
10393 (message-narrow-to-head)
10394 (if (re-search-forward "^References: " nil t)
10396 (re-search-forward "^[^ \t]" nil t)
10399 (insert " " message-id))
10400 (insert "References: " message-id "\n"))))
10401 (set-buffer gnus-summary-buffer)
10402 (gnus-summary-unmark-all-processable)
10403 (gnus-summary-update-article current-article)
10404 (if (gnus-summary-goto-subject (cdr gnus-article-current) nil t)
10405 (gnus-summary-update-secondary-mark (cdr gnus-article-current)))
10406 (gnus-summary-rethread-current)
10407 (gnus-message 3 "Article %d is now the child of article %d"
10408 current-article parent-article)))))
10410 (defun gnus-summary-toggle-threads (&optional arg)
10411 "Toggle showing conversation threads.
10412 If ARG is positive number, turn showing conversation threads on."
10414 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
10415 (setq gnus-show-threads
10416 (if (null arg) (not gnus-show-threads)
10417 (> (prefix-numeric-value arg) 0)))
10418 (gnus-summary-prepare)
10419 (gnus-summary-goto-subject current)
10420 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
10421 (gnus-summary-position-point)))
10423 (defun gnus-summary-show-all-threads ()
10424 "Show all threads."
10427 (let ((buffer-read-only nil))
10428 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
10429 (gnus-summary-position-point))
10431 (defun gnus-summary-show-thread ()
10432 "Show thread subtrees.
10433 Returns nil if no thread was there to be shown."
10435 (let ((buffer-read-only nil)
10437 (end (gnus-point-at-eol))
10438 ;; Leave point at bol
10439 (beg (progn (beginning-of-line) (point))))
10441 ;; Any hidden lines here?
10442 (search-forward "\r" end t)
10443 (subst-char-in-region beg end ?\^M ?\n t)
10445 (gnus-summary-position-point))))
10447 (defun gnus-summary-maybe-hide-threads ()
10448 "If requested, hide the threads that should be hidden."
10449 (when (and gnus-show-threads
10450 gnus-thread-hide-subtree)
10451 (gnus-summary-hide-all-threads
10452 (if (or (consp gnus-thread-hide-subtree)
10453 (functionp gnus-thread-hide-subtree))
10454 (gnus-make-predicate gnus-thread-hide-subtree)
10457 ;;; Hiding predicates.
10459 (defun gnus-article-unread-p (header)
10460 (memq (mail-header-number header) gnus-newsgroup-unreads))
10462 (defun gnus-article-unseen-p (header)
10463 (memq (mail-header-number header) gnus-newsgroup-unseen))
10465 (defun gnus-map-articles (predicate articles)
10466 "Map PREDICATE over ARTICLES and return non-nil if any predicate is non-nil."
10467 (apply 'gnus-or (mapcar predicate
10468 (mapcar 'gnus-summary-article-header articles))))
10470 (defun gnus-summary-hide-all-threads (&optional predicate)
10471 "Hide all thread subtrees.
10472 If PREDICATE is supplied, threads that satisfy this predicate
10473 will not be hidden."
10476 (goto-char (point-min))
10479 (when (or (not predicate)
10481 predicate (gnus-summary-article-children)))
10482 (gnus-summary-hide-thread))
10483 (setq end (not (zerop (gnus-summary-next-thread 1 t)))))))
10484 (gnus-summary-position-point))
10486 (defun gnus-summary-hide-thread ()
10487 "Hide thread subtrees.
10488 If PREDICATE is supplied, threads that satisfy this predicate
10489 will not be hidden.
10490 Returns nil if no threads were there to be hidden."
10492 (let ((buffer-read-only nil)
10494 (article (gnus-summary-article-number)))
10496 ;; Go forward until either the buffer ends or the subthread
10498 (when (and (not (eobp))
10499 (or (zerop (gnus-summary-next-thread 1 t))
10500 (goto-char (point-max))))
10502 (if (and (> (point) start)
10503 (search-backward "\n" start t))
10505 (subst-char-in-region start (point) ?\n ?\^M)
10506 (gnus-summary-goto-subject article))
10510 (defun gnus-summary-go-to-next-thread (&optional previous)
10511 "Go to the same level (or less) next thread.
10512 If PREVIOUS is non-nil, go to previous thread instead.
10513 Return the article number moved to, or nil if moving was impossible."
10514 (let ((level (gnus-summary-thread-level))
10515 (way (if previous -1 1))
10518 (while (and (not (eobp))
10519 (< level (gnus-summary-thread-level)))
10520 (forward-line way))
10527 (gnus-summary-article-number)
10528 (goto-char beg)))))
10530 (defun gnus-summary-next-thread (n &optional silent)
10531 "Go to the same level next N'th thread.
10532 If N is negative, search backward instead.
10533 Returns the difference between N and the number of skips actually
10536 If SILENT, don't output messages."
10538 (let ((backward (< n 0))
10540 (while (and (> n 0)
10541 (gnus-summary-go-to-next-thread backward))
10544 (gnus-summary-position-point))
10545 (when (and (not silent) (/= 0 n))
10546 (gnus-message 7 "No more threads"))
10549 (defun gnus-summary-prev-thread (n)
10550 "Go to the same level previous N'th thread.
10551 Returns the difference between N and the number of skips actually
10554 (gnus-summary-next-thread (- n)))
10556 (defun gnus-summary-go-down-thread ()
10557 "Go down one level in the current thread."
10558 (let ((children (gnus-summary-article-children)))
10560 (gnus-summary-goto-subject (car children)))))
10562 (defun gnus-summary-go-up-thread ()
10563 "Go up one level in the current thread."
10564 (let ((parent (gnus-summary-article-parent)))
10566 (gnus-summary-goto-subject parent))))
10568 (defun gnus-summary-down-thread (n)
10569 "Go down thread N steps.
10570 If N is negative, go up instead.
10571 Returns the difference between N and how many steps down that were
10576 (while (and (> n 0)
10577 (if up (gnus-summary-go-up-thread)
10578 (gnus-summary-go-down-thread)))
10580 (gnus-summary-position-point)
10582 (gnus-message 7 "Can't go further"))
10585 (defun gnus-summary-up-thread (n)
10586 "Go up thread N steps.
10587 If N is negative, go down instead.
10588 Returns the difference between N and how many steps down that were
10591 (gnus-summary-down-thread (- n)))
10593 (defun gnus-summary-top-thread ()
10594 "Go to the top of the thread."
10596 (while (gnus-summary-go-up-thread))
10597 (gnus-summary-article-number))
10599 (defun gnus-summary-kill-thread (&optional unmark)
10600 "Mark articles under current thread as read.
10601 If the prefix argument is positive, remove any kinds of marks.
10602 If the prefix argument is negative, tick articles instead."
10605 (setq unmark (prefix-numeric-value unmark)))
10606 (let ((articles (gnus-summary-articles-in-thread)))
10608 ;; Expand the thread.
10609 (gnus-summary-show-thread)
10610 ;; Mark all the articles.
10612 (gnus-summary-goto-subject (car articles))
10613 (cond ((null unmark)
10614 (gnus-summary-mark-article-as-read gnus-killed-mark))
10616 (gnus-summary-mark-article-as-unread gnus-unread-mark))
10618 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
10619 (setq articles (cdr articles))))
10620 ;; Hide killed subtrees.
10622 gnus-thread-hide-killed
10623 (gnus-summary-hide-thread))
10624 ;; If marked as read, go to next unread subject.
10625 (when (null unmark)
10626 ;; Go to next unread subject.
10627 (gnus-summary-next-subject 1 t)))
10628 (gnus-set-mode-line 'summary))
10630 ;; Summary sorting commands
10632 (defun gnus-summary-sort-by-number (&optional reverse)
10633 "Sort the summary buffer by article number.
10634 Argument REVERSE means reverse order."
10636 (gnus-summary-sort 'number reverse))
10638 (defun gnus-summary-sort-by-random (&optional reverse)
10639 "Randomize the order in the summary buffer.
10640 Argument REVERSE means to randomize in reverse order."
10642 (gnus-summary-sort 'random reverse))
10644 (defun gnus-summary-sort-by-author (&optional reverse)
10645 "Sort the summary buffer by author name alphabetically.
10646 If `case-fold-search' is non-nil, case of letters is ignored.
10647 Argument REVERSE means reverse order."
10649 (gnus-summary-sort 'author reverse))
10651 (defun gnus-summary-sort-by-subject (&optional reverse)
10652 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
10653 If `case-fold-search' is non-nil, case of letters is ignored.
10654 Argument REVERSE means reverse order."
10656 (gnus-summary-sort 'subject reverse))
10658 (defun gnus-summary-sort-by-date (&optional reverse)
10659 "Sort the summary buffer by date.
10660 Argument REVERSE means reverse order."
10662 (gnus-summary-sort 'date reverse))
10664 (defun gnus-summary-sort-by-score (&optional reverse)
10665 "Sort the summary buffer by score.
10666 Argument REVERSE means reverse order."
10668 (gnus-summary-sort 'score reverse))
10670 (defun gnus-summary-sort-by-lines (&optional reverse)
10671 "Sort the summary buffer by the number of lines.
10672 Argument REVERSE means reverse order."
10674 (gnus-summary-sort 'lines reverse))
10676 (defun gnus-summary-sort-by-chars (&optional reverse)
10677 "Sort the summary buffer by article length.
10678 Argument REVERSE means reverse order."
10680 (gnus-summary-sort 'chars reverse))
10682 (defun gnus-summary-sort-by-original (&optional reverse)
10683 "Sort the summary buffer using the default sorting method.
10684 Argument REVERSE means reverse order."
10686 (let* ((buffer-read-only)
10687 (gnus-summary-prepare-hook nil))
10688 ;; We do the sorting by regenerating the threads.
10689 (gnus-summary-prepare)
10690 ;; Hide subthreads if needed.
10691 (gnus-summary-maybe-hide-threads)))
10693 (defun gnus-summary-sort (predicate reverse)
10694 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
10695 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
10696 (article (intern (format "gnus-article-sort-by-%s" predicate)))
10697 (gnus-thread-sort-functions
10702 (gnus-sort-gathered-threads-function
10703 gnus-thread-sort-functions)
10704 (gnus-article-sort-functions
10708 (,article t2 t1))))
10710 (gnus-summary-prepare-hook nil))
10711 ;; We do the sorting by regenerating the threads.
10712 (gnus-summary-prepare)
10713 ;; Hide subthreads if needed.
10714 (gnus-summary-maybe-hide-threads)))
10716 ;; Summary saving commands.
10718 (defun gnus-summary-save-article (&optional n not-saved)
10719 "Save the current article using the default saver function.
10720 If N is a positive number, save the N next articles.
10721 If N is a negative number, save the N previous articles.
10722 If N is nil and any articles have been marked with the process mark,
10723 save those articles instead.
10724 The variable `gnus-default-article-saver' specifies the saver function."
10726 (let* ((articles (gnus-summary-work-articles n))
10727 (save-buffer (save-excursion
10728 (nnheader-set-temp-buffer " *Gnus Save*")))
10729 (num (length articles))
10731 (dolist (article articles)
10732 (setq header (gnus-summary-article-header article))
10733 (if (not (vectorp header))
10734 ;; This is a pseudo-article.
10735 (if (assq 'name header)
10736 (gnus-copy-file (cdr (assq 'name header)))
10737 (gnus-message 1 "Article %d is unsaveable" article))
10738 ;; This is a real article.
10739 (save-window-excursion
10740 (let ((gnus-display-mime-function nil)
10741 (gnus-article-prepare-hook nil))
10742 (gnus-summary-select-article t nil nil article)))
10744 (set-buffer save-buffer)
10746 (insert-buffer-substring gnus-original-article-buffer))
10747 (setq file (gnus-article-save save-buffer file num))
10748 (gnus-summary-remove-process-mark article)
10750 (gnus-summary-set-saved-mark article))))
10751 (gnus-kill-buffer save-buffer)
10752 (gnus-summary-position-point)
10753 (gnus-set-mode-line 'summary)
10756 (defun gnus-summary-pipe-output (&optional arg headers)
10757 "Pipe the current article to a subprocess.
10758 If N is a positive number, pipe the N next articles.
10759 If N is a negative number, pipe the N previous articles.
10760 If N is nil and any articles have been marked with the process mark,
10761 pipe those articles instead.
10762 If HEADERS (the symbolic prefix), include the headers, too."
10763 (interactive (gnus-interactive "P\ny"))
10764 (require 'gnus-art)
10765 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe)
10766 (gnus-save-all-headers (or headers gnus-save-all-headers)))
10767 (gnus-summary-save-article arg t))
10768 (let ((buffer (get-buffer "*Shell Command Output*")))
10770 (not (zerop (buffer-size buffer))))
10771 (gnus-configure-windows 'pipe))))
10773 (defun gnus-summary-save-article-mail (&optional arg)
10774 "Append the current article to an mail file.
10775 If N is a positive number, save the N next articles.
10776 If N is a negative number, save the N previous articles.
10777 If N is nil and any articles have been marked with the process mark,
10778 save those articles instead."
10780 (require 'gnus-art)
10781 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
10782 (gnus-summary-save-article arg)))
10784 (defun gnus-summary-save-article-rmail (&optional arg)
10785 "Append the current article to an rmail file.
10786 If N is a positive number, save the N next articles.
10787 If N is a negative number, save the N previous articles.
10788 If N is nil and any articles have been marked with the process mark,
10789 save those articles instead."
10791 (require 'gnus-art)
10792 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
10793 (gnus-summary-save-article arg)))
10795 (defun gnus-summary-save-article-file (&optional arg)
10796 "Append the current article to a file.
10797 If N is a positive number, save the N next articles.
10798 If N is a negative number, save the N previous articles.
10799 If N is nil and any articles have been marked with the process mark,
10800 save those articles instead."
10802 (require 'gnus-art)
10803 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
10804 (gnus-summary-save-article arg)))
10806 (defun gnus-summary-write-article-file (&optional arg)
10807 "Write the current article to a file, deleting the previous file.
10808 If N is a positive number, save the N next articles.
10809 If N is a negative number, save the N previous articles.
10810 If N is nil and any articles have been marked with the process mark,
10811 save those articles instead."
10813 (require 'gnus-art)
10814 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
10815 (gnus-summary-save-article arg)))
10817 (defun gnus-summary-save-article-body-file (&optional arg)
10818 "Append the current article body to a file.
10819 If N is a positive number, save the N next articles.
10820 If N is a negative number, save the N previous articles.
10821 If N is nil and any articles have been marked with the process mark,
10822 save those articles instead."
10824 (require 'gnus-art)
10825 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
10826 (gnus-summary-save-article arg)))
10828 (defun gnus-summary-muttprint (&optional arg)
10829 "Print the current article using Muttprint.
10830 If N is a positive number, save the N next articles.
10831 If N is a negative number, save the N previous articles.
10832 If N is nil and any articles have been marked with the process mark,
10833 save those articles instead."
10835 (require 'gnus-art)
10836 (let ((gnus-default-article-saver 'gnus-summary-pipe-to-muttprint))
10837 (gnus-summary-save-article arg t)))
10839 (defun gnus-summary-pipe-message (program)
10840 "Pipe the current article through PROGRAM."
10841 (interactive "sProgram: ")
10842 (gnus-summary-select-article)
10843 (let ((mail-header-separator ""))
10844 (gnus-eval-in-buffer-window gnus-article-buffer
10847 (let ((start (window-start))
10849 (message-pipe-buffer-body program)
10850 (set-window-start (get-buffer-window (current-buffer)) start))))))
10852 (defun gnus-get-split-value (methods)
10853 "Return a value based on the split METHODS."
10854 (let (split-name method result match)
10857 (set-buffer gnus-original-article-buffer)
10859 (nnheader-narrow-to-headers)
10860 (while (and methods (not split-name))
10861 (goto-char (point-min))
10862 (setq method (pop methods))
10863 (setq match (car method))
10866 ;; Regular expression.
10868 (re-search-forward match nil t)))
10873 (setq result (funcall match gnus-newsgroup-name))))
10878 (setq result (eval match)))))
10879 (setq split-name (cdr method))
10880 (cond ((stringp result)
10881 (push (expand-file-name
10882 result gnus-article-save-directory)
10885 (setq split-name (append result split-name)))))))))
10886 (nreverse split-name)))
10888 (defun gnus-valid-move-group-p (group)
10889 (and (boundp group)
10890 (symbol-name group)
10891 (symbol-value group)
10892 (gnus-get-function (gnus-find-method-for-group
10893 (symbol-name group)) 'request-accept-article t)))
10895 (defun gnus-read-move-group-name (prompt default articles prefix)
10896 "Read a group name."
10897 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
10898 (minibuffer-confirm-incomplete nil) ; XEmacs
10900 (format "%s %s to:"
10902 (if (> (length articles) 1)
10903 (format "these %d articles" (length articles))
10908 (gnus-completing-read-with-default
10911 'gnus-valid-move-group-p
10913 'gnus-group-history))
10914 ((= 1 (length split-name))
10915 (gnus-completing-read-with-default
10916 (car split-name) prom
10918 'gnus-valid-move-group-p
10920 'gnus-group-history))
10922 (gnus-completing-read-with-default
10924 (mapcar (lambda (el) (list el))
10925 (nreverse split-name))
10927 'gnus-group-history))))
10928 (to-method (gnus-server-to-method (gnus-group-method to-newsgroup))))
10930 (if (or (string= to-newsgroup "")
10931 (string= to-newsgroup prefix))
10932 (setq to-newsgroup default))
10933 (unless to-newsgroup
10934 (error "No group name entered"))
10935 (or (gnus-active to-newsgroup)
10936 (gnus-activate-group to-newsgroup nil nil to-method)
10937 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
10939 (or (and (gnus-request-create-group to-newsgroup to-method)
10940 (gnus-activate-group
10941 to-newsgroup nil nil to-method)
10942 (gnus-subscribe-group to-newsgroup))
10943 (error "Couldn't create group %s" to-newsgroup)))
10944 (error "No such group: %s" to-newsgroup)))
10947 (defun gnus-summary-save-parts (type dir n &optional reverse)
10948 "Save parts matching TYPE to DIR.
10949 If REVERSE, save parts that do not match TYPE."
10951 (list (read-string "Save parts of type: "
10952 (or (car gnus-summary-save-parts-type-history)
10953 gnus-summary-save-parts-default-mime)
10954 'gnus-summary-save-parts-type-history)
10955 (setq gnus-summary-save-parts-last-directory
10956 (read-file-name "Save to directory: "
10957 gnus-summary-save-parts-last-directory
10959 current-prefix-arg))
10960 (gnus-summary-iterate n
10961 (let ((gnus-display-mime-function nil)
10962 (gnus-inhibit-treatment t))
10963 (gnus-summary-select-article))
10965 (set-buffer gnus-article-buffer)
10966 (let ((handles (or gnus-article-mime-handles
10967 (mm-dissect-buffer nil gnus-article-loose-mime)
10968 (and gnus-article-emulate-mime
10969 (mm-uu-dissect)))))
10971 (gnus-summary-save-parts-1 type dir handles reverse)
10972 (unless gnus-article-mime-handles ;; Don't destroy this case.
10973 (mm-destroy-parts handles)))))))
10975 (defun gnus-summary-save-parts-1 (type dir handle reverse)
10976 (if (stringp (car handle))
10977 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
10980 (not (string-match type (mm-handle-media-type handle)))
10981 (string-match type (mm-handle-media-type handle)))
10982 (let ((file (expand-file-name
10983 (file-name-nondirectory
10985 (mail-content-type-get
10986 (mm-handle-disposition handle) 'filename)
10987 (concat gnus-newsgroup-name
10988 "." (number-to-string
10989 (cdr gnus-article-current)))))
10991 (unless (file-exists-p file)
10992 (mm-save-part-to-file handle file))))))
10994 ;; Summary extract commands
10996 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
10997 (let ((buffer-read-only nil)
10998 (article (gnus-summary-article-number))
11000 (unless (gnus-summary-goto-subject article)
11001 (error "No such article: %d" article))
11002 (gnus-summary-position-point)
11003 ;; If all commands are to be bunched up on one line, we collect
11005 (unless gnus-view-pseudos-separately
11006 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
11009 (setq action (cdr (assq 'action (car ps))))
11010 (setq files (list (cdr (assq 'name (car ps)))))
11011 (while (and ps (cdr ps)
11012 (string= (or action "1")
11013 (or (cdr (assq 'action (cadr ps))) "2")))
11014 (push (cdr (assq 'name (cadr ps))) files)
11015 (setcdr ps (cddr ps)))
11017 (when (not (string-match "%s" action))
11020 (when (assq 'execute (car ps))
11021 (setcdr (assq 'execute (car ps))
11022 (funcall (if (string-match "%s" action)
11031 (setq ps (cdr ps)))))
11032 (if (and gnus-view-pseudos (not not-view))
11034 (when (assq 'execute (car pslist))
11035 (gnus-execute-command (cdr (assq 'execute (car pslist)))
11036 (eq gnus-view-pseudos 'not-confirm)))
11037 (setq pslist (cdr pslist)))
11040 (setq after-article (or (cdr (assq 'article (car pslist)))
11041 (gnus-summary-article-number)))
11042 (gnus-summary-goto-subject after-article)
11045 (insert " " (file-name-nondirectory
11046 (cdr (assq 'name (car pslist))))
11047 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
11049 (forward-line -1) ; back to `b'
11050 (gnus-add-text-properties
11051 b (1- e) (list 'gnus-number gnus-reffed-article-number
11052 gnus-mouse-face-prop gnus-mouse-face))
11054 after-article gnus-reffed-article-number
11055 gnus-unread-mark b (car pslist) 0 (- e b))
11056 (setq gnus-newsgroup-unreads
11057 (gnus-add-to-sorted-list gnus-newsgroup-unreads
11058 gnus-reffed-article-number))
11059 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
11060 (setq pslist (cdr pslist)))))))
11062 (defun gnus-pseudos< (p1 p2)
11063 (let ((c1 (cdr (assq 'action p1)))
11064 (c2 (cdr (assq 'action p2))))
11065 (and c1 c2 (string< c1 c2))))
11067 (defun gnus-request-pseudo-article (props)
11068 (cond ((assq 'execute props)
11069 (gnus-execute-command (cdr (assq 'execute props)))))
11070 (let ((gnus-current-article (gnus-summary-article-number)))
11071 (gnus-run-hooks 'gnus-mark-article-hook)))
11073 (defun gnus-execute-command (command &optional automatic)
11075 (gnus-article-setup-buffer)
11076 (set-buffer gnus-article-buffer)
11077 (setq buffer-read-only nil)
11078 (let ((command (if automatic command
11079 (read-string "Command: " (cons command 0)))))
11081 (insert "$ " command "\n\n")
11082 (if gnus-view-pseudo-asynchronously
11083 (start-process "gnus-execute" (current-buffer) shell-file-name
11084 shell-command-switch command)
11085 (call-process shell-file-name nil t nil
11086 shell-command-switch command)))))
11088 ;; Summary kill commands.
11090 (defun gnus-summary-edit-global-kill (article)
11091 "Edit the \"global\" kill file."
11092 (interactive (list (gnus-summary-article-number)))
11093 (gnus-group-edit-global-kill article))
11095 (defun gnus-summary-edit-local-kill ()
11096 "Edit a local kill file applied to the current newsgroup."
11098 (setq gnus-current-headers (gnus-summary-article-header))
11099 (gnus-group-edit-local-kill
11100 (gnus-summary-article-number) gnus-newsgroup-name))
11102 ;;; Header reading.
11104 (defun gnus-read-header (id &optional header)
11105 "Read the headers of article ID and enter them into the Gnus system."
11106 (let ((group gnus-newsgroup-name)
11107 (gnus-override-method
11109 gnus-override-method
11110 (and (gnus-news-group-p gnus-newsgroup-name)
11111 (car (gnus-refer-article-methods)))))
11113 ;; First we check to see whether the header in question is already
11116 ;; This is a Message-ID.
11117 (setq header (or header (gnus-id-to-header id)))
11118 ;; This is an article number.
11119 (setq header (or header (gnus-summary-article-header id))))
11121 (not (gnus-summary-article-sparse-p (mail-header-number header))))
11122 ;; We have found the header.
11124 ;; If this is a sparse article, we have to nix out its
11125 ;; previous entry in the thread hashtb.
11127 (gnus-summary-article-sparse-p (mail-header-number header)))
11128 (let* ((parent (gnus-parent-id (mail-header-references header)))
11129 (thread (and parent (gnus-id-to-thread parent))))
11131 (delq (assq header thread) thread))))
11132 ;; We have to really fetch the header to this article.
11134 (set-buffer nntp-server-buffer)
11135 (when (setq where (gnus-request-head id group))
11136 (nnheader-fold-continuation-lines)
11137 (goto-char (point-max))
11139 (goto-char (point-min))
11143 ((cdr where) (cdr where))
11144 (header (mail-header-number header))
11145 (t gnus-reffed-article-number))
11147 (insert " Article retrieved.\n"))
11148 (if (or (not where)
11149 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
11150 () ; Malformed head.
11151 (unless (gnus-summary-article-sparse-p (mail-header-number header))
11152 (when (and (stringp id)
11153 (not (string= (gnus-group-real-name group)
11155 ;; If we fetched by Message-ID and the article came
11156 ;; from a different group, we fudge some bogus article
11157 ;; numbers for this article.
11158 (mail-header-set-number header gnus-reffed-article-number))
11160 (set-buffer gnus-summary-buffer)
11161 (decf gnus-reffed-article-number)
11162 (gnus-remove-header (mail-header-number header))
11163 (push header gnus-newsgroup-headers)
11164 (setq gnus-current-headers header)
11165 (push (mail-header-number header) gnus-newsgroup-limit)))
11168 (defun gnus-remove-header (number)
11169 "Remove header NUMBER from `gnus-newsgroup-headers'."
11170 (if (and gnus-newsgroup-headers
11171 (= number (mail-header-number (car gnus-newsgroup-headers))))
11172 (pop gnus-newsgroup-headers)
11173 (let ((headers gnus-newsgroup-headers))
11174 (while (and (cdr headers)
11175 (not (= number (mail-header-number (cadr headers)))))
11177 (when (cdr headers)
11178 (setcdr headers (cddr headers))))))
11181 ;;; summary highlights
11184 (defun gnus-highlight-selected-summary ()
11185 "Highlight selected article in summary buffer."
11186 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
11187 (when gnus-summary-selected-face
11189 (let* ((beg (gnus-point-at-bol))
11190 (end (gnus-point-at-eol))
11191 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
11192 (from (if (get-text-property beg gnus-mouse-face-prop)
11194 (or (next-single-property-change
11195 beg gnus-mouse-face-prop nil end)
11200 (or (next-single-property-change
11201 from gnus-mouse-face-prop nil end)
11203 ;; If no mouse-face prop on line we will have to = from = end,
11204 ;; so we highlight the entire line instead.
11205 (when (= (+ to 2) from)
11208 (if gnus-newsgroup-selected-overlay
11209 ;; Move old overlay.
11211 gnus-newsgroup-selected-overlay from to (current-buffer))
11212 ;; Create new overlay.
11214 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
11215 'face gnus-summary-selected-face))))))
11217 (defvar gnus-summary-highlight-line-cached nil)
11218 (defvar gnus-summary-highlight-line-trigger nil)
11220 (defun gnus-summary-highlight-line-0 ()
11221 (if (and (eq gnus-summary-highlight-line-trigger
11222 gnus-summary-highlight)
11223 gnus-summary-highlight-line-cached)
11224 gnus-summary-highlight-line-cached
11225 (setq gnus-summary-highlight-line-trigger gnus-summary-highlight
11226 gnus-summary-highlight-line-cached
11227 (let* ((cond (list 'cond))
11229 (list gnus-summary-highlight))
11231 (setcdr c (cons (list (caar list) (list 'quote (cdar list)))
11235 (gnus-byte-compile (list 'lambda nil cond))))))
11237 (defun gnus-summary-highlight-line ()
11238 "Highlight current line according to `gnus-summary-highlight'."
11239 (let* ((beg (gnus-point-at-bol))
11240 (article (or (gnus-summary-article-number) gnus-current-article))
11241 (score (or (cdr (assq article
11242 gnus-newsgroup-scored))
11243 gnus-summary-default-score 0))
11244 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
11245 (inhibit-read-only t)
11246 (default gnus-summary-default-score)
11247 (default-high gnus-summary-default-high-score)
11248 (default-low gnus-summary-default-low-score)
11249 (uncached (and gnus-summary-use-undownloaded-faces
11250 (memq article gnus-newsgroup-undownloaded))))
11251 (let ((face (funcall (gnus-summary-highlight-line-0))))
11252 (unless (eq face (get-text-property beg 'face))
11253 (gnus-put-text-property-excluding-characters-with-faces
11254 beg (gnus-point-at-eol) 'face
11255 (setq face (if (boundp face) (symbol-value face) face)))
11256 (when gnus-summary-highlight-line-function
11257 (funcall gnus-summary-highlight-line-function article face))))))
11259 (defun gnus-update-read-articles (group unread &optional compute)
11260 "Update the list of read articles in GROUP.
11261 UNREAD is a sorted list."
11262 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
11263 (entry (gnus-gethash group gnus-newsrc-hashtb))
11264 (info (nth 2 entry))
11267 (if (or (not info) (not active))
11268 ;; There is no info on this group if it was, in fact,
11269 ;; killed. Gnus stores no information on killed groups, so
11270 ;; there's nothing to be done.
11271 ;; One could store the information somewhere temporarily,
11272 ;; perhaps... Hmmm...
11274 ;; Remove any negative articles numbers.
11275 (while (and unread (< (car unread) 0))
11276 (setq unread (cdr unread)))
11277 ;; Remove any expired article numbers
11278 (while (and unread (< (car unread) (car active)))
11279 (setq unread (cdr unread)))
11280 ;; Compute the ranges of read articles by looking at the list of
11281 ;; unread articles.
11283 (when (/= (car unread) prev)
11284 (push (if (= prev (1- (car unread))) prev
11285 (cons prev (1- (car unread))))
11287 (setq prev (1+ (car unread)))
11288 (setq unread (cdr unread)))
11289 (when (<= prev (cdr active))
11290 (push (cons prev (cdr active)) read))
11291 (setq read (if (> (length read) 1) (nreverse read) read))
11296 ;; Propagate the read marks to the backend.
11297 (when (gnus-check-backend-function 'request-set-mark group)
11298 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
11299 (add (gnus-remove-from-range read (gnus-info-read info))))
11301 (unless (gnus-check-group group)
11302 (error "Can't open server for %s" group))
11303 (gnus-request-set-mark
11304 group (delq nil (list (if add (list add 'add '(read)))
11305 (if del (list del 'del '(read))))))
11307 `(gnus-request-set-mark
11310 (if del (list del 'add '(read)))
11311 (if add (list add 'del '(read))))))))))
11312 (set-buffer gnus-group-buffer)
11313 (gnus-undo-register
11315 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
11316 (gnus-info-set-read ',info ',(gnus-info-read info))
11317 (gnus-get-unread-articles-in-group ',info
11318 (gnus-active ,group))
11319 (gnus-group-update-group ,group t)
11321 ;; Enter this list into the group info.
11322 (gnus-info-set-read info read)
11323 ;; Set the number of unread articles in gnus-newsrc-hashtb.
11324 (gnus-get-unread-articles-in-group info (gnus-active group))
11327 (defun gnus-offer-save-summaries ()
11328 "Offer to save all active summary buffers."
11330 ;; Go through all buffers and find all summaries.
11331 (dolist (buffer (buffer-list))
11332 (when (and (setq buffer (buffer-name buffer))
11333 (string-match "Summary" buffer)
11335 (set-buffer buffer)
11336 ;; We check that this is, indeed, a summary buffer.
11337 (and (eq major-mode 'gnus-summary-mode)
11338 ;; Also make sure this isn't bogus.
11339 gnus-newsgroup-prepared
11340 ;; Also make sure that this isn't a
11341 ;; dead summary buffer.
11342 (not gnus-dead-summary-mode))))
11343 (push buffer buffers)))
11344 ;; Go through all these summary buffers and offer to save them.
11348 "Update summary buffer %s? "
11350 (switch-to-buffer buf)
11351 (gnus-summary-exit))
11354 (defun gnus-summary-setup-default-charset ()
11355 "Setup newsgroup default charset."
11356 (if (member gnus-newsgroup-name '("nndraft:delayed" "nndraft:drafts"))
11357 (setq gnus-newsgroup-charset nil)
11358 (let* ((ignored-charsets
11359 (or gnus-newsgroup-ephemeral-ignored-charsets
11361 (and gnus-newsgroup-name
11362 (gnus-parameter-ignored-charsets gnus-newsgroup-name))
11363 gnus-newsgroup-ignored-charsets))))
11364 (setq gnus-newsgroup-charset
11365 (or gnus-newsgroup-ephemeral-charset
11366 (and gnus-newsgroup-name
11367 (gnus-parameter-charset gnus-newsgroup-name))
11368 gnus-default-charset))
11369 (set (make-local-variable 'gnus-newsgroup-ignored-charsets)
11370 ignored-charsets))))
11376 (defun gnus-summary-display-buttonized (&optional show-all-parts)
11377 "Display the current article buffer fully MIME-buttonized.
11378 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
11379 treated as multipart/mixed."
11381 (require 'gnus-art)
11382 (let ((gnus-unbuttonized-mime-types nil)
11383 (gnus-mime-display-multipart-as-mixed show-all-parts))
11384 (gnus-summary-show-article)))
11386 (defun gnus-summary-repair-multipart (article)
11387 "Add a Content-Type header to a multipart article without one."
11388 (interactive (list (gnus-summary-article-number)))
11389 (gnus-with-article article
11390 (message-narrow-to-head)
11391 (message-remove-header "Mime-Version")
11392 (goto-char (point-max))
11393 (insert "Mime-Version: 1.0\n")
11395 (when (search-forward "\n--" nil t)
11396 (let ((separator (buffer-substring (point) (gnus-point-at-eol))))
11397 (message-narrow-to-head)
11398 (message-remove-header "Content-Type")
11399 (goto-char (point-max))
11400 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
11403 (let (gnus-mark-article-hook)
11404 (gnus-summary-select-article t t nil article)))
11406 (defun gnus-summary-toggle-display-buttonized ()
11407 "Toggle the buttonizing of the article buffer."
11409 (require 'gnus-art)
11410 (if (setq gnus-inhibit-mime-unbuttonizing
11411 (not gnus-inhibit-mime-unbuttonizing))
11412 (let ((gnus-unbuttonized-mime-types nil))
11413 (gnus-summary-show-article))
11414 (gnus-summary-show-article)))
11417 ;;; Generic summary marking commands
11420 (defvar gnus-summary-marking-alist
11421 '((read gnus-del-mark "d")
11422 (unread gnus-unread-mark "u")
11423 (ticked gnus-ticked-mark "!")
11424 (dormant gnus-dormant-mark "?")
11425 (expirable gnus-expirable-mark "e"))
11426 "An alist of names/marks/keystrokes.")
11428 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
11429 (defvar gnus-summary-mark-map)
11431 (defun gnus-summary-make-all-marking-commands ()
11432 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
11433 (dolist (elem gnus-summary-marking-alist)
11434 (apply 'gnus-summary-make-marking-command elem)))
11436 (defun gnus-summary-make-marking-command (name mark keystroke)
11437 (let ((map (make-sparse-keymap)))
11438 (define-key gnus-summary-generic-mark-map keystroke map)
11439 (dolist (lway `((next "next" next nil "n")
11440 (next-unread "next unread" next t "N")
11441 (prev "previous" prev nil "p")
11442 (prev-unread "previous unread" prev t "P")
11443 (nomove "" nil nil ,keystroke)))
11444 (let ((func (gnus-summary-make-marking-command-1
11445 mark (car lway) lway name)))
11446 (setq func (eval func))
11447 (define-key map (nth 4 lway) func)))))
11449 (defun gnus-summary-make-marking-command-1 (mark way lway name)
11451 (format "gnus-summary-put-mark-as-%s%s"
11452 name (if (eq way 'nomove)
11454 (concat "-" (symbol-name way)))))
11457 "Mark the current article as %s%s.
11458 If N, the prefix, then repeat N times.
11459 If N is negative, move in reverse order.
11460 The difference between N and the actual number of articles marked is
11464 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
11466 (defun gnus-summary-generic-mark (n mark move unread)
11467 "Mark N articles with MARK."
11468 (unless (eq major-mode 'gnus-summary-mode)
11469 (error "This command can only be used in the summary buffer"))
11470 (gnus-summary-show-thread)
11473 ((eq move 'next) 1)
11474 ((eq move 'prev) -1)
11476 (if (zerop nummove)
11480 nummove (* -1 nummove))))
11481 (while (and (> n 0)
11482 (gnus-summary-mark-article nil mark)
11483 (zerop (gnus-summary-next-subject nummove unread t)))
11486 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
11487 (gnus-summary-recenter)
11488 (gnus-summary-position-point)
11489 (gnus-set-mode-line 'summary)
11492 (defun gnus-summary-insert-articles (articles)
11493 (when (setq articles
11494 (gnus-sorted-difference articles
11495 (mapcar (lambda (h)
11496 (mail-header-number h))
11497 gnus-newsgroup-headers)))
11498 (setq gnus-newsgroup-headers
11500 gnus-newsgroup-headers
11501 (gnus-fetch-headers articles)
11502 'gnus-article-sort-by-number))
11503 ;; Suppress duplicates?
11504 (when gnus-suppress-duplicates
11505 (gnus-dup-suppress-articles))
11507 ;; We might want to build some more threads first.
11508 (when (and gnus-fetch-old-headers
11509 (eq gnus-headers-retrieved-by 'nov))
11510 (if (eq gnus-fetch-old-headers 'invisible)
11511 (gnus-build-all-threads)
11512 (gnus-build-old-threads)))
11513 ;; Let the Gnus agent mark articles as read.
11515 (gnus-agent-get-undownloaded-list))
11516 ;; Remove list identifiers from subject
11517 (when gnus-list-identifiers
11518 (gnus-summary-remove-list-identifiers))
11519 ;; First and last article in this newsgroup.
11520 (when gnus-newsgroup-headers
11521 (setq gnus-newsgroup-begin
11522 (mail-header-number (car gnus-newsgroup-headers))
11524 (mail-header-number
11525 (gnus-last-element gnus-newsgroup-headers))))
11526 (when gnus-use-scoring
11527 (gnus-possibly-score-headers))))
11529 (defun gnus-summary-insert-old-articles (&optional all)
11530 "Insert all old articles in this group.
11531 If ALL is non-nil, already read articles become readable.
11532 If ALL is a number, fetch this number of articles."
11535 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11538 ;; Some nntp servers lie about their active range. When
11539 ;; this happens, the active range can be in the millions.
11540 ;; Use a compressed range to avoid creating a huge list.
11541 (gnus-range-difference (list gnus-newsgroup-active) old))
11542 (setq len (gnus-range-length older))
11547 (let ((older-range (nreverse older)))
11551 (let* ((r (pop older-range))
11552 (min (if (numberp r) r (car r)))
11553 (max (if (numberp r) r (cdr r))))
11554 (while (and (<= min max)
11559 (setq older (gnus-uncompress-range older))))
11561 (setq older (gnus-uncompress-range older)))
11563 (when (and (numberp gnus-large-newsgroup)
11564 (> len gnus-large-newsgroup))
11565 (let* ((cursor-in-echo-area nil)
11566 (initial (gnus-parameter-large-newsgroup-initial
11567 gnus-newsgroup-name))
11571 "How many articles from %s (%s %d): "
11573 (gnus-group-decoded-name gnus-newsgroup-name) 35)
11574 (if initial "max" "default")
11577 (cons (number-to-string initial)
11579 (unless (string-match "^[ \t]*$" input)
11580 (setq all (string-to-number input))
11582 (let ((older-range (nreverse older)))
11586 (let* ((r (pop older-range))
11587 (min (if (numberp r) r (car r)))
11588 (max (if (numberp r) r (cdr r))))
11589 (while (and (<= min max)
11593 max (1- max))))))))))
11594 (setq older (gnus-uncompress-range older))))
11596 (message "No old news.")
11597 (gnus-summary-insert-articles older)
11598 (gnus-summary-limit (gnus-sorted-nunion old older))))
11599 (gnus-summary-position-point)))
11601 (defun gnus-summary-insert-new-articles ()
11602 "Insert all new articles in this group."
11605 (let ((old (sort (mapcar 'car gnus-newsgroup-data) '<))
11606 (old-active gnus-newsgroup-active)
11607 (nnmail-fetched-sources (list t))
11609 (setq gnus-newsgroup-active
11610 (gnus-activate-group gnus-newsgroup-name 'scan))
11611 (setq i (cdr gnus-newsgroup-active))
11612 (while (> i (cdr old-active))
11616 (message "No gnus is bad news.")
11617 (gnus-summary-insert-articles new)
11618 (setq gnus-newsgroup-unreads
11619 (gnus-sorted-nunion gnus-newsgroup-unreads new))
11620 (gnus-summary-limit (gnus-sorted-nunion old new))))
11621 (gnus-summary-position-point)))
11623 (gnus-summary-make-all-marking-commands)
11625 (gnus-ems-redefine)
11627 (provide 'gnus-sum)
11629 (run-hooks 'gnus-sum-load-hook)
11631 ;; Local Variables:
11632 ;; coding: iso-8859-1
11635 ;;; gnus-sum.el ends here