1 ;;; gnus-sum.el --- summary mode commands for Gnus
2 ;; Copyright (C) 1996,97,98,99 Free Software Foundation, Inc.
4 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
7 ;; This file is part of GNU Emacs.
9 ;; GNU Emacs is free software; you can redistribute it and/or modify
10 ;; it under the terms of the GNU General Public License as published by
11 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; GNU Emacs is distributed in the hope that it will be useful,
15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 ;; GNU General Public License for more details.
19 ;; You should have received a copy of the GNU General Public License
20 ;; along with GNU Emacs; see the file COPYING. If not, write to the
21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
22 ;; Boston, MA 02111-1307, USA.
28 (eval-when-compile (require 'cl))
38 (autoload 'gnus-summary-limit-include-cached "gnus-cache" nil t)
40 (defcustom gnus-kill-summary-on-exit t
41 "*If non-nil, kill the summary buffer when you exit from it.
42 If nil, the summary will become a \"*Dead Summary*\" buffer, and
43 it will be killed sometime later."
44 :group 'gnus-summary-exit
47 (defcustom gnus-fetch-old-headers nil
48 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
49 If an unread article in the group refers to an older, already read (or
50 just marked as read) article, the old article will not normally be
51 displayed in the Summary buffer. If this variable is non-nil, Gnus
52 will attempt to grab the headers to the old articles, and thereby
53 build complete threads. If it has the value `some', only enough
54 headers to connect otherwise loose threads will be displayed. This
55 variable can also be a number. In that case, no more than that number
56 of old headers will be fetched. If it has the value `invisible', all
57 old headers will be fetched, but none will be displayed.
59 The server has to support NOV for any of this to work."
61 :type '(choice (const :tag "off" nil)
64 (sexp :menu-tag "other" t)))
66 (defcustom gnus-refer-thread-limit 200
67 "*The number of old headers to fetch when doing \\<gnus-summary-mode-map>\\[gnus-summary-refer-thread].
68 If t, fetch all the available old headers."
71 (sexp :menu-tag "other" t)))
73 (defcustom gnus-summary-make-false-root 'adopt
74 "*nil means that Gnus won't gather loose threads.
75 If the root of a thread has expired or been read in a previous
76 session, the information necessary to build a complete thread has been
77 lost. Instead of having many small sub-threads from this original thread
78 scattered all over the summary buffer, Gnus can gather them.
80 If non-nil, Gnus will try to gather all loose sub-threads from an
81 original thread into one large thread.
83 If this variable is non-nil, it should be one of `none', `adopt',
86 If this variable is `none', Gnus will not make a false root, but just
87 present the sub-threads after another.
88 If this variable is `dummy', Gnus will create a dummy root that will
89 have all the sub-threads as children.
90 If this variable is `adopt', Gnus will make one of the \"children\"
91 the parent and mark all the step-children as such.
92 If this variable is `empty', the \"children\" are printed with empty
93 subject fields. (Or rather, they will be printed with a string
94 given by the `gnus-summary-same-subject' variable.)"
96 :type '(choice (const :tag "off" nil)
102 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
103 "*A regexp to match subjects to be excluded from loose thread gathering.
104 As loose thread gathering is done on subjects only, that means that
105 there can be many false gatherings performed. By rooting out certain
106 common subjects, gathering might become saner."
110 (defcustom gnus-summary-gather-subject-limit nil
111 "*Maximum length of subject comparisons when gathering loose threads.
112 Use nil to compare full subjects. Setting this variable to a low
113 number will help gather threads that have been corrupted by
114 newsreaders chopping off subject lines, but it might also mean that
115 unrelated articles that have subject that happen to begin with the
116 same few characters will be incorrectly gathered.
118 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
121 :type '(choice (const :tag "off" nil)
123 (sexp :menu-tag "on" t)))
125 (defcustom gnus-simplify-subject-functions nil
126 "List of functions taking a string argument that simplify subjects.
127 The functions are applied recursively.
129 Useful functions to put in this list include: `gnus-simplify-subject-re',
130 `gnus-simplify-subject-fuzzy' and `gnus-simplify-whitespace'."
132 :type '(repeat function))
134 (defcustom gnus-simplify-ignored-prefixes nil
135 "*Regexp, matches for which are removed from subject lines when simplifying fuzzily."
137 :type '(choice (const :tag "off" nil)
140 (defcustom gnus-build-sparse-threads nil
141 "*If non-nil, fill in the gaps in threads.
142 If `some', only fill in the gaps that are needed to tie loose threads
143 together. If `more', fill in all leaf nodes that Gnus can find. If
144 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
146 :type '(choice (const :tag "off" nil)
149 (sexp :menu-tag "all" t)))
151 (defcustom gnus-summary-thread-gathering-function
152 'gnus-gather-threads-by-subject
153 "*Function used for gathering loose threads.
154 There are two pre-defined functions: `gnus-gather-threads-by-subject',
155 which only takes Subjects into consideration; and
156 `gnus-gather-threads-by-references', which compared the References
157 headers of the articles to find matches."
159 :type '(radio (function-item gnus-gather-threads-by-subject)
160 (function-item gnus-gather-threads-by-references)
161 (function :tag "other")))
163 (defcustom gnus-summary-same-subject ""
164 "*String indicating that the current article has the same subject as the previous.
165 This variable will only be used if the value of
166 `gnus-summary-make-false-root' is `empty'."
167 :group 'gnus-summary-format
170 (defcustom gnus-summary-goto-unread t
171 "*If t, marking commands will go to the next unread article.
172 If `never', commands that usually go to the next unread article, will
173 go to the next article, whether it is read or not.
174 If nil, only the marking commands will go to the next (un)read article."
175 :group 'gnus-summary-marks
176 :link '(custom-manual "(gnus)Setting Marks")
177 :type '(choice (const :tag "off" nil)
179 (sexp :menu-tag "on" t)))
181 (defcustom gnus-summary-default-score 0
182 "*Default article score level.
183 All scores generated by the score files will be added to this score.
184 If this variable is nil, scoring will be disabled."
185 :group 'gnus-score-default
186 :type '(choice (const :tag "disable")
189 (defcustom gnus-summary-zcore-fuzz 0
190 "*Fuzziness factor for the zcore in the summary buffer.
191 Articles with scores closer than this to `gnus-summary-default-score'
193 :group 'gnus-summary-format
196 (defcustom gnus-simplify-subject-fuzzy-regexp nil
197 "*Strings to be removed when doing fuzzy matches.
198 This can either be a regular expression or list of regular expressions
199 that will be removed from subject strings if fuzzy subject
200 simplification is selected."
202 :type '(repeat regexp))
204 (defcustom gnus-show-threads t
205 "*If non-nil, display threads in summary mode."
209 (defcustom gnus-thread-hide-subtree nil
210 "*If non-nil, hide all threads initially.
211 If threads are hidden, you have to run the command
212 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
213 to expose hidden threads."
217 (defcustom gnus-thread-hide-killed t
218 "*If non-nil, hide killed threads automatically."
222 (defcustom gnus-thread-ignore-subject t
223 "*If non-nil, which is the default, ignore subjects and do all threading based on the Reference header.
224 If nil, articles that have different subjects from their parents will
225 start separate threads."
229 (defcustom gnus-thread-operation-ignore-subject t
230 "*If non-nil, subjects will be ignored when doing thread commands.
231 This affects commands like `gnus-summary-kill-thread' and
232 `gnus-summary-lower-thread'.
234 If this variable is nil, articles in the same thread with different
235 subjects will not be included in the operation in question. If this
236 variable is `fuzzy', only articles that have subjects that are fuzzily
237 equal will be included."
239 :type '(choice (const :tag "off" nil)
243 (defcustom gnus-thread-indent-level 4
244 "*Number that says how much each sub-thread should be indented."
248 (defcustom gnus-auto-extend-newsgroup t
249 "*If non-nil, extend newsgroup forward and backward when requested."
250 :group 'gnus-summary-choose
253 (defcustom gnus-auto-select-first t
254 "*If nil, don't select the first unread article when entering a group.
255 If this variable is `best', select the highest-scored unread article
256 in the group. If t, select the first unread article.
258 This variable can also be a function to place point on a likely
259 subject line. Useful values include `gnus-summary-first-unread-subject',
260 `gnus-summary-first-unread-article' and
261 `gnus-summary-best-unread-article'.
263 If you want to prevent automatic selection of the first unread article
264 in some newsgroups, set the variable to nil in
265 `gnus-select-group-hook'."
266 :group 'gnus-group-select
267 :type '(choice (const :tag "none" nil)
269 (sexp :menu-tag "first" t)
270 (function-item gnus-summary-first-unread-subject)
271 (function-item gnus-summary-first-unread-article)
272 (function-item gnus-summary-best-unread-article)))
274 (defcustom gnus-auto-select-next t
275 "*If non-nil, offer to go to the next group from the end of the previous.
276 If the value is t and the next newsgroup is empty, Gnus will exit
277 summary mode and go back to group mode. If the value is neither nil
278 nor t, Gnus will select the following unread newsgroup. In
279 particular, if the value is the symbol `quietly', the next unread
280 newsgroup will be selected without any confirmation, and if it is
281 `almost-quietly', the next group will be selected without any
282 confirmation if you are located on the last article in the group.
283 Finally, if this variable is `slightly-quietly', the `Z n' command
284 will go to the next group without confirmation."
285 :group 'gnus-summary-maneuvering
286 :type '(choice (const :tag "off" nil)
288 (const almost-quietly)
289 (const slightly-quietly)
290 (sexp :menu-tag "on" t)))
292 (defcustom gnus-auto-select-same nil
293 "*If non-nil, select the next article with the same subject.
294 If there are no more articles with the same subject, go to
295 the first unread article."
296 :group 'gnus-summary-maneuvering
299 (defcustom gnus-summary-check-current nil
300 "*If non-nil, consider the current article when moving.
301 The \"unread\" movement commands will stay on the same line if the
302 current article is unread."
303 :group 'gnus-summary-maneuvering
306 (defcustom gnus-auto-center-summary t
307 "*If non-nil, always center the current summary buffer.
308 In particular, if `vertical' do only vertical recentering. If non-nil
309 and non-`vertical', do both horizontal and vertical recentering."
310 :group 'gnus-summary-maneuvering
311 :type '(choice (const :tag "none" nil)
313 (integer :tag "height")
314 (sexp :menu-tag "both" t)))
316 (defcustom gnus-show-all-headers nil
317 "*If non-nil, don't hide any headers."
318 :group 'gnus-article-hiding
319 :group 'gnus-article-headers
322 (defcustom gnus-summary-ignore-duplicates nil
323 "*If non-nil, ignore articles with identical Message-ID headers."
327 (defcustom gnus-single-article-buffer t
328 "*If non-nil, display all articles in the same buffer.
329 If nil, each group will get its own article buffer."
330 :group 'gnus-article-various
333 (defcustom gnus-break-pages t
334 "*If non-nil, do page breaking on articles.
335 The page delimiter is specified by the `gnus-page-delimiter'
337 :group 'gnus-article-various
340 (defcustom gnus-move-split-methods nil
341 "*Variable used to suggest where articles are to be moved to.
342 It uses the same syntax as the `gnus-split-methods' variable."
343 :group 'gnus-summary-mail
344 :type '(repeat (choice (list :value (fun) function)
345 (cons :value ("" "") regexp (repeat string))
348 (defcustom gnus-unread-mark ? ;Whitespace
349 "*Mark used for unread articles."
350 :group 'gnus-summary-marks
353 (defcustom gnus-ticked-mark ?!
354 "*Mark used for ticked articles."
355 :group 'gnus-summary-marks
358 (defcustom gnus-dormant-mark ??
359 "*Mark used for dormant articles."
360 :group 'gnus-summary-marks
363 (defcustom gnus-del-mark ?r
364 "*Mark used for del'd articles."
365 :group 'gnus-summary-marks
368 (defcustom gnus-read-mark ?R
369 "*Mark used for read articles."
370 :group 'gnus-summary-marks
373 (defcustom gnus-expirable-mark ?E
374 "*Mark used for expirable articles."
375 :group 'gnus-summary-marks
378 (defcustom gnus-killed-mark ?K
379 "*Mark used for killed articles."
380 :group 'gnus-summary-marks
383 (defcustom gnus-souped-mark ?F
384 "*Mark used for killed articles."
385 :group 'gnus-summary-marks
388 (defcustom gnus-kill-file-mark ?X
389 "*Mark used for articles killed by kill files."
390 :group 'gnus-summary-marks
393 (defcustom gnus-low-score-mark ?Y
394 "*Mark used for articles with a low score."
395 :group 'gnus-summary-marks
398 (defcustom gnus-catchup-mark ?C
399 "*Mark used for articles that are caught up."
400 :group 'gnus-summary-marks
403 (defcustom gnus-replied-mark ?A
404 "*Mark used for articles that have been replied to."
405 :group 'gnus-summary-marks
408 (defcustom gnus-cached-mark ?*
409 "*Mark used for articles that are in the cache."
410 :group 'gnus-summary-marks
413 (defcustom gnus-saved-mark ?S
414 "*Mark used for articles that have been saved to."
415 :group 'gnus-summary-marks
418 (defcustom gnus-ancient-mark ?O
419 "*Mark used for ancient articles."
420 :group 'gnus-summary-marks
423 (defcustom gnus-sparse-mark ?Q
424 "*Mark used for sparsely reffed articles."
425 :group 'gnus-summary-marks
428 (defcustom gnus-canceled-mark ?G
429 "*Mark used for canceled articles."
430 :group 'gnus-summary-marks
433 (defcustom gnus-duplicate-mark ?M
434 "*Mark used for duplicate articles."
435 :group 'gnus-summary-marks
438 (defcustom gnus-undownloaded-mark ?@
439 "*Mark used for articles that weren't downloaded."
440 :group 'gnus-summary-marks
443 (defcustom gnus-downloadable-mark ?%
444 "*Mark used for articles that are to be downloaded."
445 :group 'gnus-summary-marks
448 (defcustom gnus-unsendable-mark ?=
449 "*Mark used for articles that won't be sent."
450 :group 'gnus-summary-marks
453 (defcustom gnus-score-over-mark ?+
454 "*Score mark used for articles with high scores."
455 :group 'gnus-summary-marks
458 (defcustom gnus-score-below-mark ?-
459 "*Score mark used for articles with low scores."
460 :group 'gnus-summary-marks
463 (defcustom gnus-empty-thread-mark ? ;Whitespace
464 "*There is no thread under the article."
465 :group 'gnus-summary-marks
468 (defcustom gnus-not-empty-thread-mark ?=
469 "*There is a thread under the article."
470 :group 'gnus-summary-marks
473 (defcustom gnus-view-pseudo-asynchronously nil
474 "*If non-nil, Gnus will view pseudo-articles asynchronously."
475 :group 'gnus-extract-view
478 (defcustom gnus-auto-expirable-marks
479 (list gnus-killed-mark gnus-del-mark gnus-catchup-mark
480 gnus-low-score-mark gnus-ancient-mark gnus-read-mark
481 gnus-souped-mark gnus-duplicate-mark)
482 "*The list of marks converted into expiration if a group is auto-expirable."
484 :type '(repeat character))
486 (defcustom gnus-inhibit-user-auto-expire t
487 "*If non-nil, user marking commands will not mark an article as expirable, even if the group has auto-expire turned on."
491 (defcustom gnus-view-pseudos nil
492 "*If `automatic', pseudo-articles will be viewed automatically.
493 If `not-confirm', pseudos will be viewed automatically, and the user
494 will not be asked to confirm the command."
495 :group 'gnus-extract-view
496 :type '(choice (const :tag "off" nil)
498 (const not-confirm)))
500 (defcustom gnus-view-pseudos-separately t
501 "*If non-nil, one pseudo-article will be created for each file to be viewed.
502 If nil, all files that use the same viewing command will be given as a
503 list of parameters to that command."
504 :group 'gnus-extract-view
507 (defcustom gnus-insert-pseudo-articles t
508 "*If non-nil, insert pseudo-articles when decoding articles."
509 :group 'gnus-extract-view
512 (defcustom gnus-summary-dummy-line-format
514 "*The format specification for the dummy roots in the summary buffer.
515 It works along the same lines as a normal formatting string,
516 with some simple extensions.
519 :group 'gnus-threading
522 (defcustom gnus-summary-mode-line-format "Gnus: %g [%A] %Z"
523 "*The format specification for the summary mode line.
524 It works along the same lines as a normal formatting string,
525 with some simple extensions:
528 %p Unprefixed group name
529 %A Current article number
530 %z Current article score
532 %U Number of unread articles in the group
533 %e Number of unselected articles in the group
534 %Z A string with unread/unselected article counts
535 %g Shortish group name
536 %S Subject of the current article
538 %s Current score file name
539 %d Number of dormant articles
540 %r Number of articles that have been marked as read in this session
541 %E Number of articles expunged by the score files"
542 :group 'gnus-summary-format
545 (defcustom gnus-summary-mark-below 0
546 "*Mark all articles with a score below this variable as read.
547 This variable is local to each summary buffer and usually set by the
549 :group 'gnus-score-default
552 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
553 "*List of functions used for sorting articles in the summary buffer.
554 This variable is only used when not using a threaded display."
555 :group 'gnus-summary-sort
556 :type '(repeat (choice (function-item gnus-article-sort-by-number)
557 (function-item gnus-article-sort-by-author)
558 (function-item gnus-article-sort-by-subject)
559 (function-item gnus-article-sort-by-date)
560 (function-item gnus-article-sort-by-score)
561 (function :tag "other"))))
563 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
564 "*List of functions used for sorting threads in the summary buffer.
565 By default, threads are sorted by article number.
567 Each function takes two threads and return non-nil if the first thread
568 should be sorted before the other. If you use more than one function,
569 the primary sort function should be the last. You should probably
570 always include `gnus-thread-sort-by-number' in the list of sorting
571 functions -- preferably first.
573 Ready-made functions include `gnus-thread-sort-by-number',
574 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
575 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score' and
576 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function')."
577 :group 'gnus-summary-sort
578 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
579 (function-item gnus-thread-sort-by-author)
580 (function-item gnus-thread-sort-by-subject)
581 (function-item gnus-thread-sort-by-date)
582 (function-item gnus-thread-sort-by-score)
583 (function-item gnus-thread-sort-by-total-score)
584 (function :tag "other"))))
586 (defcustom gnus-thread-score-function '+
587 "*Function used for calculating the total score of a thread.
589 The function is called with the scores of the article and each
590 subthread and should then return the score of the thread.
592 Some functions you can use are `+', `max', or `min'."
593 :group 'gnus-summary-sort
596 (defcustom gnus-summary-expunge-below nil
597 "All articles that have a score less than this variable will be expunged.
598 This variable is local to the summary buffers."
599 :group 'gnus-score-default
600 :type '(choice (const :tag "off" nil)
603 (defcustom gnus-thread-expunge-below nil
604 "All threads that have a total score less than this variable will be expunged.
605 See `gnus-thread-score-function' for en explanation of what a
608 This variable is local to the summary buffers."
609 :group 'gnus-threading
610 :group 'gnus-score-default
611 :type '(choice (const :tag "off" nil)
614 (defcustom gnus-summary-mode-hook nil
615 "*A hook for Gnus summary mode.
616 This hook is run before any variables are set in the summary buffer."
617 :group 'gnus-summary-various
620 (defcustom gnus-summary-menu-hook nil
621 "*Hook run after the creation of the summary mode menu."
622 :group 'gnus-summary-visual
625 (defcustom gnus-summary-exit-hook nil
626 "*A hook called on exit from the summary buffer.
627 It will be called with point in the group buffer."
628 :group 'gnus-summary-exit
631 (defcustom gnus-summary-prepare-hook nil
632 "*A hook called after the summary buffer has been generated.
633 If you want to modify the summary buffer, you can use this hook."
634 :group 'gnus-summary-various
637 (defcustom gnus-summary-prepared-hook nil
638 "*A hook called as the last thing after the summary buffer has been generated."
639 :group 'gnus-summary-various
642 (defcustom gnus-summary-generate-hook nil
643 "*A hook run just before generating the summary buffer.
644 This hook is commonly used to customize threading variables and the
646 :group 'gnus-summary-various
649 (defcustom gnus-select-group-hook nil
650 "*A hook called when a newsgroup is selected.
652 If you'd like to simplify subjects like the
653 `gnus-summary-next-same-subject' command does, you can use the
656 (setq gnus-select-group-hook
659 (mapcar (lambda (header)
660 (mail-header-set-subject
662 (gnus-simplify-subject
663 (mail-header-subject header) 're-only)))
664 gnus-newsgroup-headers))))"
665 :group 'gnus-group-select
668 (defcustom gnus-select-article-hook nil
669 "*A hook called when an article is selected."
670 :group 'gnus-summary-choose
673 (defcustom gnus-visual-mark-article-hook
674 (list 'gnus-highlight-selected-summary)
675 "*Hook run after selecting an article in the summary buffer.
676 It is meant to be used for highlighting the article in some way. It
677 is not run if `gnus-visual' is nil."
678 :group 'gnus-summary-visual
681 (defcustom gnus-parse-headers-hook nil
682 "*A hook called before parsing the headers."
686 (defcustom gnus-exit-group-hook nil
687 "*A hook called when exiting (not quitting) summary mode."
691 (defcustom gnus-summary-update-hook
692 (list 'gnus-summary-highlight-line)
693 "*A hook called when a summary line is changed.
694 The hook will not be called if `gnus-visual' is nil.
696 The default function `gnus-summary-highlight-line' will
697 highlight the line according to the `gnus-summary-highlight'
699 :group 'gnus-summary-visual
702 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
703 "*A hook called when an article is selected for the first time.
704 The hook is intended to mark an article as read (or unread)
705 automatically when it is selected."
706 :group 'gnus-summary-choose
709 (defcustom gnus-group-no-more-groups-hook nil
710 "*A hook run when returning to group mode having no more (unread) groups."
711 :group 'gnus-group-select
714 (defcustom gnus-ps-print-hook nil
715 "*A hook run before ps-printing something from Gnus."
719 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
720 "Face used for highlighting the current article in the summary buffer."
721 :group 'gnus-summary-visual
724 (defcustom gnus-summary-highlight
725 '(((= mark gnus-canceled-mark)
726 . gnus-summary-cancelled-face)
727 ((and (> score default)
728 (or (= mark gnus-dormant-mark)
729 (= mark gnus-ticked-mark)))
730 . gnus-summary-high-ticked-face)
731 ((and (< score default)
732 (or (= mark gnus-dormant-mark)
733 (= mark gnus-ticked-mark)))
734 . gnus-summary-low-ticked-face)
735 ((or (= mark gnus-dormant-mark)
736 (= mark gnus-ticked-mark))
737 . gnus-summary-normal-ticked-face)
738 ((and (> score default) (= mark gnus-ancient-mark))
739 . gnus-summary-high-ancient-face)
740 ((and (< score default) (= mark gnus-ancient-mark))
741 . gnus-summary-low-ancient-face)
742 ((= mark gnus-ancient-mark)
743 . gnus-summary-normal-ancient-face)
744 ((and (> score default) (= mark gnus-unread-mark))
745 . gnus-summary-high-unread-face)
746 ((and (< score default) (= mark gnus-unread-mark))
747 . gnus-summary-low-unread-face)
748 ((= mark gnus-unread-mark)
749 . gnus-summary-normal-unread-face)
750 ((and (> score default) (memq mark (list gnus-downloadable-mark
751 gnus-undownloaded-mark)))
752 . gnus-summary-high-unread-face)
753 ((and (< score default) (memq mark (list gnus-downloadable-mark
754 gnus-undownloaded-mark)))
755 . gnus-summary-low-unread-face)
756 ((memq mark (list gnus-downloadable-mark gnus-undownloaded-mark))
757 . gnus-summary-normal-unread-face)
759 . gnus-summary-high-read-face)
761 . gnus-summary-low-read-face)
763 . gnus-summary-normal-read-face))
764 "*Controls the highlighting of summary buffer lines.
766 A list of (FORM . FACE) pairs. When deciding how a a particular
767 summary line should be displayed, each form is evaluated. The content
768 of the face field after the first true form is used. You can change
769 how those summary lines are displayed, by editing the face field.
771 You can use the following variables in the FORM field.
773 score: The articles score
774 default: The default article score.
775 below: The score below which articles are automatically marked as read.
776 mark: The articles mark."
777 :group 'gnus-summary-visual
778 :type '(repeat (cons (sexp :tag "Form" nil)
781 (defcustom gnus-alter-header-function nil
782 "Function called to allow alteration of article header structures.
783 The function is called with one parameter, the article header vector,
784 which it may alter in any way.")
786 (defvar gnus-decode-encoded-word-function 'mail-decode-encoded-word-string
787 "Variable that says which function should be used to decode a string with encoded words.")
789 (defcustom gnus-extra-headers nil
790 "*Extra headers to parse."
792 :type '(repeat symbol))
794 (defcustom gnus-ignored-from-addresses
795 (and user-mail-address (regexp-quote user-mail-address))
796 "*Regexp of From headers that may be suppressed in favor of To headers."
800 (defcustom gnus-group-charset-alist
801 '(("^hk\\>\\|^tw\\>\\|\\<big5\\>" cn-big5)
802 ("^cn\\>\\|\\<chinese\\>" cn-gb-2312)
803 ("^fj\\>\\|^japan\\>" iso-2022-jp-2)
804 ("^relcom\\>" koi8-r)
805 ("^\\(cz\\|hun\\|pl\\|sk\\|hr\\)\\>" iso-8859-2)
806 ("^israel\\>" iso-8859-1)
808 ("^\\(comp\\|rec\\|alt\\|sci\\|soc\\|news\\|gnu\\|bofh\\)\\>" iso-8859-1)
810 "Alist of regexps (to match group names) and default charsets to be used when reading."
811 :type '(repeat (list (regexp :tag "Group")
812 (symbol :tag "Charset")))
813 :group 'gnus-charset)
815 (defcustom gnus-newsgroup-ignored-charsets '(unknown-8bit)
816 "List of charsets that should be ignored.
817 When these charsets are used in the \"charset\" parameter, the
818 default charset will be used instead."
819 :type '(repeat symbol)
820 :group 'gnus-charset)
822 (defcustom gnus-group-highlight-words-alist nil
823 "Alist of group regexps and highlight regexps.
824 This variable uses the same syntax as `gnus-emphasis-alist'."
825 :type '(repeat (cons (regexp :tag "Group")
826 (repeat (list (regexp :tag "Highlight regexp")
827 (number :tag "Group for entire word" 0)
828 (number :tag "Group for displayed part" 0)
830 gnus-emphasis-highlight-words)))))
831 :group 'gnus-summary-visual)
833 ;;; Internal variables
835 (defvar gnus-article-mime-handles nil)
836 (defvar gnus-article-decoded-p nil)
837 (defvar gnus-scores-exclude-files nil)
838 (defvar gnus-page-broken nil)
839 (defvar gnus-inhibit-mime-unbuttonizing nil)
841 (defvar gnus-original-article nil)
842 (defvar gnus-article-internal-prepare-hook nil)
843 (defvar gnus-newsgroup-process-stack nil)
845 (defvar gnus-thread-indent-array nil)
846 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
848 ;; Avoid highlighting in kill files.
849 (defvar gnus-summary-inhibit-highlight nil)
850 (defvar gnus-newsgroup-selected-overlay nil)
851 (defvar gnus-inhibit-limiting nil)
852 (defvar gnus-newsgroup-adaptive-score-file nil)
853 (defvar gnus-current-score-file nil)
854 (defvar gnus-current-move-group nil)
855 (defvar gnus-current-copy-group nil)
856 (defvar gnus-current-crosspost-group nil)
858 (defvar gnus-newsgroup-dependencies nil)
859 (defvar gnus-newsgroup-adaptive nil)
860 (defvar gnus-summary-display-article-function nil)
861 (defvar gnus-summary-highlight-line-function nil
862 "Function called after highlighting a summary line.")
864 (defvar gnus-summary-line-format-alist
865 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
866 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
867 (?s gnus-tmp-subject-or-nil ?s)
868 (?n gnus-tmp-name ?s)
869 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
871 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
873 (?F gnus-tmp-from ?s)
874 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
875 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
876 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
877 (?o (gnus-date-iso8601 (mail-header-date gnus-tmp-header)) ?s)
878 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
879 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
880 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
881 (?L gnus-tmp-lines ?d)
882 (?I gnus-tmp-indentation ?s)
883 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
884 (?R gnus-tmp-replied ?c)
885 (?\[ gnus-tmp-opening-bracket ?c)
886 (?\] gnus-tmp-closing-bracket ?c)
887 (?\> (make-string gnus-tmp-level ? ) ?s)
888 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
889 (?i gnus-tmp-score ?d)
890 (?z gnus-tmp-score-char ?c)
891 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
892 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
893 (?U gnus-tmp-unread ?c)
894 (?f (gnus-summary-from-or-to-or-newsgroups gnus-tmp-header) ?s)
895 (?t (gnus-summary-number-of-articles-in-thread
896 (and (boundp 'thread) (car thread)) gnus-tmp-level)
898 (?e (gnus-summary-number-of-articles-in-thread
899 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
901 (?u gnus-tmp-user-defined ?s)
902 (?P (gnus-pick-line-number) ?d))
903 "An alist of format specifications that can appear in summary lines,
904 and what variables they correspond with, along with the type of the
905 variable (string, integer, character, etc).")
907 (defvar gnus-summary-dummy-line-format-alist
908 `((?S gnus-tmp-subject ?s)
909 (?N gnus-tmp-number ?d)
910 (?u gnus-tmp-user-defined ?s)))
912 (defvar gnus-summary-mode-line-format-alist
913 `((?G gnus-tmp-group-name ?s)
914 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
915 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
916 (?A gnus-tmp-article-number ?d)
917 (?Z gnus-tmp-unread-and-unselected ?s)
919 (?U gnus-tmp-unread-and-unticked ?d)
920 (?S gnus-tmp-subject ?s)
921 (?e gnus-tmp-unselected ?d)
922 (?u gnus-tmp-user-defined ?s)
923 (?d (length gnus-newsgroup-dormant) ?d)
924 (?t (length gnus-newsgroup-marked) ?d)
925 (?r (length gnus-newsgroup-reads) ?d)
926 (?z (gnus-summary-article-score gnus-tmp-article-number) ?d)
927 (?E gnus-newsgroup-expunged-tally ?d)
928 (?s (gnus-current-score-file-nondirectory) ?s)))
930 (defvar gnus-last-search-regexp nil
931 "Default regexp for article search command.")
933 (defvar gnus-last-shell-command nil
934 "Default shell command on article.")
936 (defvar gnus-newsgroup-begin nil)
937 (defvar gnus-newsgroup-end nil)
938 (defvar gnus-newsgroup-last-rmail nil)
939 (defvar gnus-newsgroup-last-mail nil)
940 (defvar gnus-newsgroup-last-folder nil)
941 (defvar gnus-newsgroup-last-file nil)
942 (defvar gnus-newsgroup-auto-expire nil)
943 (defvar gnus-newsgroup-active nil)
945 (defvar gnus-newsgroup-data nil)
946 (defvar gnus-newsgroup-data-reverse nil)
947 (defvar gnus-newsgroup-limit nil)
948 (defvar gnus-newsgroup-limits nil)
950 (defvar gnus-newsgroup-unreads nil
951 "List of unread articles in the current newsgroup.")
953 (defvar gnus-newsgroup-unselected nil
954 "List of unselected unread articles in the current newsgroup.")
956 (defvar gnus-newsgroup-reads nil
957 "Alist of read articles and article marks in the current newsgroup.")
959 (defvar gnus-newsgroup-expunged-tally nil)
961 (defvar gnus-newsgroup-marked nil
962 "List of ticked articles in the current newsgroup (a subset of unread art).")
964 (defvar gnus-newsgroup-killed nil
965 "List of ranges of articles that have been through the scoring process.")
967 (defvar gnus-newsgroup-cached nil
968 "List of articles that come from the article cache.")
970 (defvar gnus-newsgroup-saved nil
971 "List of articles that have been saved.")
973 (defvar gnus-newsgroup-kill-headers nil)
975 (defvar gnus-newsgroup-replied nil
976 "List of articles that have been replied to in the current newsgroup.")
978 (defvar gnus-newsgroup-expirable nil
979 "List of articles in the current newsgroup that can be expired.")
981 (defvar gnus-newsgroup-processable nil
982 "List of articles in the current newsgroup that can be processed.")
984 (defvar gnus-newsgroup-downloadable nil
985 "List of articles in the current newsgroup that can be processed.")
987 (defvar gnus-newsgroup-undownloaded nil
988 "List of articles in the current newsgroup that haven't been downloaded..")
990 (defvar gnus-newsgroup-unsendable nil
991 "List of articles in the current newsgroup that won't be sent.")
993 (defvar gnus-newsgroup-bookmarks nil
994 "List of articles in the current newsgroup that have bookmarks.")
996 (defvar gnus-newsgroup-dormant nil
997 "List of dormant articles in the current newsgroup.")
999 (defvar gnus-newsgroup-scored nil
1000 "List of scored articles in the current newsgroup.")
1002 (defvar gnus-newsgroup-headers nil
1003 "List of article headers in the current newsgroup.")
1005 (defvar gnus-newsgroup-threads nil)
1007 (defvar gnus-newsgroup-prepared nil
1008 "Whether the current group has been prepared properly.")
1010 (defvar gnus-newsgroup-ancient nil
1011 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
1013 (defvar gnus-newsgroup-sparse nil)
1015 (defvar gnus-current-article nil)
1016 (defvar gnus-article-current nil)
1017 (defvar gnus-current-headers nil)
1018 (defvar gnus-have-all-headers nil)
1019 (defvar gnus-last-article nil)
1020 (defvar gnus-newsgroup-history nil)
1021 (defvar gnus-newsgroup-charset nil)
1023 (defconst gnus-summary-local-variables
1024 '(gnus-newsgroup-name
1025 gnus-newsgroup-begin gnus-newsgroup-end
1026 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
1027 gnus-newsgroup-last-folder gnus-newsgroup-last-file
1028 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
1029 gnus-newsgroup-unselected gnus-newsgroup-marked
1030 gnus-newsgroup-reads gnus-newsgroup-saved
1031 gnus-newsgroup-replied gnus-newsgroup-expirable
1032 gnus-newsgroup-processable gnus-newsgroup-killed
1033 gnus-newsgroup-downloadable gnus-newsgroup-undownloaded
1034 gnus-newsgroup-unsendable
1035 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
1036 gnus-newsgroup-headers gnus-newsgroup-threads
1037 gnus-newsgroup-prepared gnus-summary-highlight-line-function
1038 gnus-current-article gnus-current-headers gnus-have-all-headers
1039 gnus-last-article gnus-article-internal-prepare-hook
1040 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
1041 gnus-newsgroup-scored gnus-newsgroup-kill-headers
1042 gnus-thread-expunge-below
1043 gnus-score-alist gnus-current-score-file
1044 (gnus-summary-expunge-below . global)
1045 (gnus-summary-mark-below . global)
1046 gnus-newsgroup-active gnus-scores-exclude-files
1047 gnus-newsgroup-history gnus-newsgroup-ancient
1048 gnus-newsgroup-sparse gnus-newsgroup-process-stack
1049 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
1050 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
1051 (gnus-newsgroup-expunged-tally . 0)
1052 gnus-cache-removable-articles gnus-newsgroup-cached
1053 gnus-newsgroup-data gnus-newsgroup-data-reverse
1054 gnus-newsgroup-limit gnus-newsgroup-limits
1055 gnus-newsgroup-charset)
1056 "Variables that are buffer-local to the summary buffers.")
1058 ;; Byte-compiler warning.
1059 (defvar gnus-article-mode-map)
1063 (defvar gnus-decode-encoded-word-methods
1064 '(mail-decode-encoded-word-string)
1065 "List of methods used to decode encoded words.
1067 This variable is a list of FUNCTION or (REGEXP . FUNCTION). If item is
1068 FUNCTION, FUNCTION will be apply to all newsgroups. If item is a
1069 (REGEXP . FUNCTION), FUNCTION will be only apply to thes newsgroups
1070 whose names match REGEXP.
1073 ((\"chinese\" . gnus-decode-encoded-word-string-by-guess)
1074 mail-decode-encoded-word-string
1075 (\"chinese\" . rfc1843-decode-string))
1078 (defvar gnus-decode-encoded-word-methods-cache nil)
1080 (defun gnus-multi-decode-encoded-word-string (string)
1081 "Apply the functions from `gnus-encoded-word-methods' that match."
1082 (unless (and gnus-decode-encoded-word-methods-cache
1083 (eq gnus-newsgroup-name
1084 (car gnus-decode-encoded-word-methods-cache)))
1085 (setq gnus-decode-encoded-word-methods-cache (list gnus-newsgroup-name))
1088 (nconc gnus-decode-encoded-word-methods-cache (list x))
1089 (if (and gnus-newsgroup-name
1090 (string-match (car x) gnus-newsgroup-name))
1091 (nconc gnus-decode-encoded-word-methods-cache
1093 gnus-decode-encoded-word-methods))
1094 (let ((xlist gnus-decode-encoded-word-methods-cache))
1097 (setq string (funcall (pop xlist) string))))
1100 ;; Subject simplification.
1102 (defun gnus-simplify-whitespace (str)
1103 "Remove excessive whitespace."
1106 (while (string-match "[ \t][ \t]+" mystr)
1107 (setq mystr (concat (substring mystr 0 (match-beginning 0))
1109 (substring mystr (match-end 0)))))
1111 (when (string-match "^[ \t]+" mystr)
1112 (setq mystr (substring mystr (match-end 0))))
1114 (when (string-match "[ \t]+$" mystr)
1115 (setq mystr (substring mystr 0 (match-beginning 0))))
1118 (defsubst gnus-simplify-subject-re (subject)
1119 "Remove \"Re:\" from subject lines."
1120 (if (string-match "^[Rr][Ee]: *" subject)
1121 (substring subject (match-end 0))
1124 (defun gnus-simplify-subject (subject &optional re-only)
1125 "Remove `Re:' and words in parentheses.
1126 If RE-ONLY is non-nil, strip leading `Re:'s only."
1127 (let ((case-fold-search t)) ;Ignore case.
1128 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
1129 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
1130 (setq subject (substring subject (match-end 0))))
1131 ;; Remove uninteresting prefixes.
1132 (when (and (not re-only)
1133 gnus-simplify-ignored-prefixes
1134 (string-match gnus-simplify-ignored-prefixes subject))
1135 (setq subject (substring subject (match-end 0))))
1136 ;; Remove words in parentheses from end.
1138 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
1139 (setq subject (substring subject 0 (match-beginning 0)))))
1140 ;; Return subject string.
1143 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
1145 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
1146 (goto-char (point-min))
1147 (while (re-search-forward regexp nil t)
1148 (replace-match (or newtext ""))))
1150 (defun gnus-simplify-buffer-fuzzy ()
1151 "Simplify string in the buffer fuzzily.
1152 The string in the accessible portion of the current buffer is simplified.
1153 It is assumed to be a single-line subject.
1154 Whitespace is generally cleaned up, and miscellaneous leading/trailing
1155 matter is removed. Additional things can be deleted by setting
1156 gnus-simplify-subject-fuzzy-regexp."
1157 (let ((case-fold-search t)
1159 (gnus-simplify-buffer-fuzzy-step "\t" " ")
1161 (while (not (eq modified-tick (buffer-modified-tick)))
1162 (setq modified-tick (buffer-modified-tick))
1164 ((listp gnus-simplify-subject-fuzzy-regexp)
1165 (mapcar 'gnus-simplify-buffer-fuzzy-step
1166 gnus-simplify-subject-fuzzy-regexp))
1167 (gnus-simplify-subject-fuzzy-regexp
1168 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1169 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1170 (gnus-simplify-buffer-fuzzy-step
1171 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1172 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1174 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1175 (gnus-simplify-buffer-fuzzy-step " +" " ")
1176 (gnus-simplify-buffer-fuzzy-step " $")
1177 (gnus-simplify-buffer-fuzzy-step "^ +")))
1179 (defun gnus-simplify-subject-fuzzy (subject)
1180 "Simplify a subject string fuzzily.
1181 See `gnus-simplify-buffer-fuzzy' for details."
1183 (gnus-set-work-buffer)
1184 (let ((case-fold-search t))
1185 ;; Remove uninteresting prefixes.
1186 (when (and gnus-simplify-ignored-prefixes
1187 (string-match gnus-simplify-ignored-prefixes subject))
1188 (setq subject (substring subject (match-end 0))))
1190 (inline (gnus-simplify-buffer-fuzzy))
1193 (defsubst gnus-simplify-subject-fully (subject)
1194 "Simplify a subject string according to gnus-summary-gather-subject-limit."
1196 (gnus-simplify-subject-functions
1197 (gnus-map-function gnus-simplify-subject-functions subject))
1198 ((null gnus-summary-gather-subject-limit)
1199 (gnus-simplify-subject-re subject))
1200 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1201 (gnus-simplify-subject-fuzzy subject))
1202 ((numberp gnus-summary-gather-subject-limit)
1203 (gnus-limit-string (gnus-simplify-subject-re subject)
1204 gnus-summary-gather-subject-limit))
1208 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1209 "Check whether two subjects are equal.
1210 If optional argument simple-first is t, first argument is already
1213 ((null simple-first)
1214 (equal (gnus-simplify-subject-fully s1)
1215 (gnus-simplify-subject-fully s2)))
1218 (gnus-simplify-subject-fully s2)))))
1220 (defun gnus-summary-bubble-group ()
1221 "Increase the score of the current group.
1222 This is a handy function to add to `gnus-summary-exit-hook' to
1223 increase the score of each group you read."
1224 (gnus-group-add-score gnus-newsgroup-name))
1228 ;;; Gnus summary mode
1231 (put 'gnus-summary-mode 'mode-class 'special)
1234 ;; Non-orthogonal keys
1236 (gnus-define-keys gnus-summary-mode-map
1237 " " gnus-summary-next-page
1238 "\177" gnus-summary-prev-page
1239 [delete] gnus-summary-prev-page
1240 [backspace] gnus-summary-prev-page
1241 "\r" gnus-summary-scroll-up
1242 "\M-\r" gnus-summary-scroll-down
1243 "n" gnus-summary-next-unread-article
1244 "p" gnus-summary-prev-unread-article
1245 "N" gnus-summary-next-article
1246 "P" gnus-summary-prev-article
1247 "\M-\C-n" gnus-summary-next-same-subject
1248 "\M-\C-p" gnus-summary-prev-same-subject
1249 "\M-n" gnus-summary-next-unread-subject
1250 "\M-p" gnus-summary-prev-unread-subject
1251 "." gnus-summary-first-unread-article
1252 "," gnus-summary-best-unread-article
1253 "\M-s" gnus-summary-search-article-forward
1254 "\M-r" gnus-summary-search-article-backward
1255 "<" gnus-summary-beginning-of-article
1256 ">" gnus-summary-end-of-article
1257 "j" gnus-summary-goto-article
1258 "^" gnus-summary-refer-parent-article
1259 "\M-^" gnus-summary-refer-article
1260 "u" gnus-summary-tick-article-forward
1261 "!" gnus-summary-tick-article-forward
1262 "U" gnus-summary-tick-article-backward
1263 "d" gnus-summary-mark-as-read-forward
1264 "D" gnus-summary-mark-as-read-backward
1265 "E" gnus-summary-mark-as-expirable
1266 "\M-u" gnus-summary-clear-mark-forward
1267 "\M-U" gnus-summary-clear-mark-backward
1268 "k" gnus-summary-kill-same-subject-and-select
1269 "\C-k" gnus-summary-kill-same-subject
1270 "\M-\C-k" gnus-summary-kill-thread
1271 "\M-\C-l" gnus-summary-lower-thread
1272 "e" gnus-summary-edit-article
1273 "#" gnus-summary-mark-as-processable
1274 "\M-#" gnus-summary-unmark-as-processable
1275 "\M-\C-t" gnus-summary-toggle-threads
1276 "\M-\C-s" gnus-summary-show-thread
1277 "\M-\C-h" gnus-summary-hide-thread
1278 "\M-\C-f" gnus-summary-next-thread
1279 "\M-\C-b" gnus-summary-prev-thread
1280 "\M-\C-u" gnus-summary-up-thread
1281 "\M-\C-d" gnus-summary-down-thread
1282 "&" gnus-summary-execute-command
1283 "c" gnus-summary-catchup-and-exit
1284 "\C-w" gnus-summary-mark-region-as-read
1285 "\C-t" gnus-summary-toggle-truncation
1286 "?" gnus-summary-mark-as-dormant
1287 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1288 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1289 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1290 "\C-c\C-s\C-c" gnus-summary-sort-by-chars
1291 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1292 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1293 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1294 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1295 "=" gnus-summary-expand-window
1296 "\C-x\C-s" gnus-summary-reselect-current-group
1297 "\M-g" gnus-summary-rescan-group
1298 "w" gnus-summary-stop-page-breaking
1299 "\C-c\C-r" gnus-summary-caesar-message
1300 "f" gnus-summary-followup
1301 "F" gnus-summary-followup-with-original
1302 "C" gnus-summary-cancel-article
1303 "r" gnus-summary-reply
1304 "R" gnus-summary-reply-with-original
1305 "\C-c\C-f" gnus-summary-mail-forward
1306 "o" gnus-summary-save-article
1307 "\C-o" gnus-summary-save-article-mail
1308 "|" gnus-summary-pipe-output
1309 "\M-k" gnus-summary-edit-local-kill
1310 "\M-K" gnus-summary-edit-global-kill
1312 "\C-c\C-d" gnus-summary-describe-group
1313 "q" gnus-summary-exit
1314 "Q" gnus-summary-exit-no-update
1315 "\C-c\C-i" gnus-info-find-node
1316 gnus-mouse-2 gnus-mouse-pick-article
1317 "m" gnus-summary-mail-other-window
1318 "a" gnus-summary-post-news
1319 "x" gnus-summary-limit-to-unread
1320 "s" gnus-summary-isearch-article
1321 "t" gnus-summary-toggle-header
1322 "g" gnus-summary-show-article
1323 "l" gnus-summary-goto-last-article
1324 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1325 "\C-d" gnus-summary-enter-digest-group
1326 "\M-\C-d" gnus-summary-read-document
1327 "\M-\C-e" gnus-summary-edit-parameters
1328 "\M-\C-g" gnus-summary-customize-parameters
1330 "*" gnus-cache-enter-article
1331 "\M-*" gnus-cache-remove-article
1332 "\M-&" gnus-summary-universal-argument
1333 "\C-l" gnus-recenter
1334 "I" gnus-summary-increase-score
1335 "L" gnus-summary-lower-score
1336 "\M-i" gnus-symbolic-argument
1337 "h" gnus-summary-select-article-buffer
1339 "b" gnus-article-view-part
1340 "\M-t" gnus-summary-toggle-display-buttonized
1342 "V" gnus-summary-score-map
1343 "X" gnus-uu-extract-map
1344 "S" gnus-summary-send-map)
1346 ;; Sort of orthogonal keymap
1347 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1348 "t" gnus-summary-tick-article-forward
1349 "!" gnus-summary-tick-article-forward
1350 "d" gnus-summary-mark-as-read-forward
1351 "r" gnus-summary-mark-as-read-forward
1352 "c" gnus-summary-clear-mark-forward
1353 " " gnus-summary-clear-mark-forward
1354 "e" gnus-summary-mark-as-expirable
1355 "x" gnus-summary-mark-as-expirable
1356 "?" gnus-summary-mark-as-dormant
1357 "b" gnus-summary-set-bookmark
1358 "B" gnus-summary-remove-bookmark
1359 "#" gnus-summary-mark-as-processable
1360 "\M-#" gnus-summary-unmark-as-processable
1361 "S" gnus-summary-limit-include-expunged
1362 "C" gnus-summary-catchup
1363 "H" gnus-summary-catchup-to-here
1364 "\C-c" gnus-summary-catchup-all
1365 "k" gnus-summary-kill-same-subject-and-select
1366 "K" gnus-summary-kill-same-subject
1367 "P" gnus-uu-mark-map)
1369 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1370 "c" gnus-summary-clear-above
1371 "u" gnus-summary-tick-above
1372 "m" gnus-summary-mark-above
1373 "k" gnus-summary-kill-below)
1375 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1376 "/" gnus-summary-limit-to-subject
1377 "n" gnus-summary-limit-to-articles
1378 "w" gnus-summary-pop-limit
1379 "s" gnus-summary-limit-to-subject
1380 "a" gnus-summary-limit-to-author
1381 "u" gnus-summary-limit-to-unread
1382 "m" gnus-summary-limit-to-marks
1383 "M" gnus-summary-limit-exclude-marks
1384 "v" gnus-summary-limit-to-score
1385 "*" gnus-summary-limit-include-cached
1386 "D" gnus-summary-limit-include-dormant
1387 "T" gnus-summary-limit-include-thread
1388 "d" gnus-summary-limit-exclude-dormant
1389 "t" gnus-summary-limit-to-age
1390 "x" gnus-summary-limit-to-extra
1391 "E" gnus-summary-limit-include-expunged
1392 "c" gnus-summary-limit-exclude-childless-dormant
1393 "C" gnus-summary-limit-mark-excluded-as-read)
1395 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1396 "n" gnus-summary-next-unread-article
1397 "p" gnus-summary-prev-unread-article
1398 "N" gnus-summary-next-article
1399 "P" gnus-summary-prev-article
1400 "\C-n" gnus-summary-next-same-subject
1401 "\C-p" gnus-summary-prev-same-subject
1402 "\M-n" gnus-summary-next-unread-subject
1403 "\M-p" gnus-summary-prev-unread-subject
1404 "f" gnus-summary-first-unread-article
1405 "b" gnus-summary-best-unread-article
1406 "j" gnus-summary-goto-article
1407 "g" gnus-summary-goto-subject
1408 "l" gnus-summary-goto-last-article
1409 "o" gnus-summary-pop-article)
1411 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1412 "k" gnus-summary-kill-thread
1413 "l" gnus-summary-lower-thread
1414 "i" gnus-summary-raise-thread
1415 "T" gnus-summary-toggle-threads
1416 "t" gnus-summary-rethread-current
1417 "^" gnus-summary-reparent-thread
1418 "s" gnus-summary-show-thread
1419 "S" gnus-summary-show-all-threads
1420 "h" gnus-summary-hide-thread
1421 "H" gnus-summary-hide-all-threads
1422 "n" gnus-summary-next-thread
1423 "p" gnus-summary-prev-thread
1424 "u" gnus-summary-up-thread
1425 "o" gnus-summary-top-thread
1426 "d" gnus-summary-down-thread
1427 "#" gnus-uu-mark-thread
1428 "\M-#" gnus-uu-unmark-thread)
1430 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1431 "g" gnus-summary-prepare
1432 "c" gnus-summary-insert-cached-articles)
1434 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1435 "c" gnus-summary-catchup-and-exit
1436 "C" gnus-summary-catchup-all-and-exit
1437 "E" gnus-summary-exit-no-update
1438 "Q" gnus-summary-exit
1439 "Z" gnus-summary-exit
1440 "n" gnus-summary-catchup-and-goto-next-group
1441 "R" gnus-summary-reselect-current-group
1442 "G" gnus-summary-rescan-group
1443 "N" gnus-summary-next-group
1444 "s" gnus-summary-save-newsrc
1445 "P" gnus-summary-prev-group)
1447 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1448 " " gnus-summary-next-page
1449 "n" gnus-summary-next-page
1450 "\177" gnus-summary-prev-page
1451 [delete] gnus-summary-prev-page
1452 "p" gnus-summary-prev-page
1453 "\r" gnus-summary-scroll-up
1454 "\M-\r" gnus-summary-scroll-down
1455 "<" gnus-summary-beginning-of-article
1456 ">" gnus-summary-end-of-article
1457 "b" gnus-summary-beginning-of-article
1458 "e" gnus-summary-end-of-article
1459 "^" gnus-summary-refer-parent-article
1460 "r" gnus-summary-refer-parent-article
1461 "D" gnus-summary-enter-digest-group
1462 "R" gnus-summary-refer-references
1463 "T" gnus-summary-refer-thread
1464 "g" gnus-summary-show-article
1465 "s" gnus-summary-isearch-article
1466 "P" gnus-summary-print-article
1467 "t" gnus-article-babel)
1469 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1470 "b" gnus-article-add-buttons
1471 "B" gnus-article-add-buttons-to-head
1472 "o" gnus-article-treat-overstrike
1473 "e" gnus-article-emphasize
1474 "w" gnus-article-fill-cited-article
1475 "Q" gnus-article-fill-long-lines
1476 "C" gnus-article-capitalize-sentences
1477 "c" gnus-article-remove-cr
1478 "q" gnus-article-de-quoted-unreadable
1479 "f" gnus-article-display-x-face
1480 "l" gnus-summary-stop-page-breaking
1481 "r" gnus-summary-caesar-message
1482 "t" gnus-article-hide-headers
1483 "v" gnus-summary-verbose-headers
1484 "h" gnus-article-treat-html
1485 "H" gnus-article-strip-headers-in-body
1486 "d" gnus-article-treat-dumbquotes)
1488 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1489 "a" gnus-article-hide
1490 "h" gnus-article-hide-headers
1491 "b" gnus-article-hide-boring-headers
1492 "s" gnus-article-hide-signature
1493 "c" gnus-article-hide-citation
1494 "C" gnus-article-hide-citation-in-followups
1495 "p" gnus-article-hide-pgp
1496 "B" gnus-article-strip-banner
1497 "P" gnus-article-hide-pem
1498 "\C-c" gnus-article-hide-citation-maybe)
1500 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1501 "a" gnus-article-highlight
1502 "h" gnus-article-highlight-headers
1503 "c" gnus-article-highlight-citation
1504 "s" gnus-article-highlight-signature)
1506 (gnus-define-keys (gnus-summary-wash-mime-map "M" gnus-summary-wash-map)
1507 "w" gnus-article-decode-mime-words
1508 "c" gnus-article-decode-charset
1509 "v" gnus-mime-view-all-parts
1510 "b" gnus-article-view-part)
1512 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1513 "z" gnus-article-date-ut
1514 "u" gnus-article-date-ut
1515 "l" gnus-article-date-local
1516 "e" gnus-article-date-lapsed
1517 "o" gnus-article-date-original
1518 "i" gnus-article-date-iso8601
1519 "s" gnus-article-date-user)
1521 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1522 "t" gnus-article-remove-trailing-blank-lines
1523 "l" gnus-article-strip-leading-blank-lines
1524 "m" gnus-article-strip-multiple-blank-lines
1525 "a" gnus-article-strip-blank-lines
1526 "A" gnus-article-strip-all-blank-lines
1527 "s" gnus-article-strip-leading-space
1528 "e" gnus-article-strip-trailing-space)
1530 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1532 "f" gnus-summary-fetch-faq
1533 "d" gnus-summary-describe-group
1534 "h" gnus-summary-describe-briefly
1535 "i" gnus-info-find-node)
1537 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1538 "e" gnus-summary-expire-articles
1539 "\M-\C-e" gnus-summary-expire-articles-now
1540 "\177" gnus-summary-delete-article
1541 [delete] gnus-summary-delete-article
1542 "m" gnus-summary-move-article
1543 "r" gnus-summary-respool-article
1544 "w" gnus-summary-edit-article
1545 "c" gnus-summary-copy-article
1546 "B" gnus-summary-crosspost-article
1547 "q" gnus-summary-respool-query
1548 "t" gnus-summary-respool-trace
1549 "i" gnus-summary-import-article
1550 "p" gnus-summary-article-posted-p)
1552 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1553 "o" gnus-summary-save-article
1554 "m" gnus-summary-save-article-mail
1555 "F" gnus-summary-write-article-file
1556 "r" gnus-summary-save-article-rmail
1557 "f" gnus-summary-save-article-file
1558 "b" gnus-summary-save-article-body-file
1559 "h" gnus-summary-save-article-folder
1560 "v" gnus-summary-save-article-vm
1561 "p" gnus-summary-pipe-output
1562 "s" gnus-soup-add-article)
1564 (gnus-define-keys (gnus-summary-mime-map "K" gnus-summary-mode-map)
1565 "b" gnus-summary-display-buttonized
1566 "m" gnus-summary-repair-multipart
1567 "v" gnus-article-view-part
1568 "o" gnus-article-save-part
1569 "c" gnus-article-copy-part
1570 "e" gnus-article-externalize-part
1571 "i" gnus-article-inline-part
1572 "|" gnus-article-pipe-part)
1575 (defun gnus-summary-make-menu-bar ()
1576 (gnus-turn-off-edit-menu 'summary)
1578 (unless (boundp 'gnus-summary-misc-menu)
1581 gnus-summary-kill-menu gnus-summary-mode-map ""
1586 ["Enter score..." gnus-summary-score-entry t]
1587 ["Customize" gnus-score-customize t])
1588 (gnus-make-score-map 'increase)
1589 (gnus-make-score-map 'lower)
1591 ["Kill below" gnus-summary-kill-below t]
1592 ["Mark above" gnus-summary-mark-above t]
1593 ["Tick above" gnus-summary-tick-above t]
1594 ["Clear above" gnus-summary-clear-above t])
1595 ["Current score" gnus-summary-current-score t]
1596 ["Set score" gnus-summary-set-score t]
1597 ["Switch current score file..." gnus-score-change-score-file t]
1598 ["Set mark below..." gnus-score-set-mark-below t]
1599 ["Set expunge below..." gnus-score-set-expunge-below t]
1600 ["Edit current score file" gnus-score-edit-current-scores t]
1601 ["Edit score file" gnus-score-edit-file t]
1602 ["Trace score" gnus-score-find-trace t]
1603 ["Find words" gnus-score-find-favourite-words t]
1604 ["Rescore buffer" gnus-summary-rescore t]
1605 ["Increase score..." gnus-summary-increase-score t]
1606 ["Lower score..." gnus-summary-lower-score t]))))
1608 ;; Define both the Article menu in the summary buffer and the equivalent
1609 ;; Commands menu in the article buffer here for consistency.
1612 ["All" gnus-article-hide t]
1613 ["Headers" gnus-article-hide-headers t]
1614 ["Signature" gnus-article-hide-signature t]
1615 ["Citation" gnus-article-hide-citation t]
1616 ["PGP" gnus-article-hide-pgp t]
1617 ["Banner" gnus-article-strip-banner t]
1618 ["Boring headers" gnus-article-hide-boring-headers t])
1620 ["All" gnus-article-highlight t]
1621 ["Headers" gnus-article-highlight-headers t]
1622 ["Signature" gnus-article-highlight-signature t]
1623 ["Citation" gnus-article-highlight-citation t])
1625 ["Words" gnus-article-decode-mime-words t]
1626 ["Charset" gnus-article-decode-charset t]
1627 ["QP" gnus-article-de-quoted-unreadable t]
1628 ["View all" gnus-mime-view-all-parts t])
1630 ["Local" gnus-article-date-local t]
1631 ["ISO8601" gnus-article-date-iso8601 t]
1632 ["UT" gnus-article-date-ut t]
1633 ["Original" gnus-article-date-original t]
1634 ["Lapsed" gnus-article-date-lapsed t]
1635 ["User-defined" gnus-article-date-user t])
1638 ["Leading" gnus-article-strip-leading-blank-lines t]
1639 ["Multiple" gnus-article-strip-multiple-blank-lines t]
1640 ["Trailing" gnus-article-remove-trailing-blank-lines t]
1641 ["All of the above" gnus-article-strip-blank-lines t]
1642 ["All" gnus-article-strip-all-blank-lines t]
1643 ["Leading space" gnus-article-strip-leading-space t]
1644 ["Trailing space" gnus-article-strip-trailing-space t])
1645 ["Overstrike" gnus-article-treat-overstrike t]
1646 ["Dumb quotes" gnus-article-treat-dumbquotes t]
1647 ["Emphasis" gnus-article-emphasize t]
1648 ["Word wrap" gnus-article-fill-cited-article t]
1649 ["Fill long lines" gnus-article-fill-long-lines t]
1650 ["Capitalize sentences" gnus-article-capitalize-sentences t]
1651 ["CR" gnus-article-remove-cr t]
1652 ["Show X-Face" gnus-article-display-x-face t]
1653 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
1654 ["UnHTMLize" gnus-article-treat-html t]
1655 ["Rot 13" gnus-summary-caesar-message t]
1656 ["Unix pipe" gnus-summary-pipe-message t]
1657 ["Add buttons" gnus-article-add-buttons t]
1658 ["Add buttons to head" gnus-article-add-buttons-to-head t]
1659 ["Stop page breaking" gnus-summary-stop-page-breaking t]
1660 ["Verbose header" gnus-summary-verbose-headers t]
1661 ["Toggle header" gnus-summary-toggle-header t])
1663 ["Save in default format" gnus-summary-save-article t]
1664 ["Save in file" gnus-summary-save-article-file t]
1665 ["Save in Unix mail format" gnus-summary-save-article-mail t]
1666 ["Save in MH folder" gnus-summary-save-article-folder t]
1667 ["Save in VM folder" gnus-summary-save-article-vm t]
1668 ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
1669 ["Save body in file" gnus-summary-save-article-body-file t]
1670 ["Pipe through a filter" gnus-summary-pipe-output t]
1671 ["Add to SOUP packet" gnus-soup-add-article t]
1672 ["Print" gnus-summary-print-article t])
1674 ["Respool article..." gnus-summary-respool-article t]
1675 ["Move article..." gnus-summary-move-article
1676 (gnus-check-backend-function
1677 'request-move-article gnus-newsgroup-name)]
1678 ["Copy article..." gnus-summary-copy-article t]
1679 ["Crosspost article..." gnus-summary-crosspost-article
1680 (gnus-check-backend-function
1681 'request-replace-article gnus-newsgroup-name)]
1682 ["Import file..." gnus-summary-import-article t]
1683 ["Check if posted" gnus-summary-article-posted-p t]
1684 ["Edit article" gnus-summary-edit-article
1685 (not (gnus-group-read-only-p))]
1686 ["Delete article" gnus-summary-delete-article
1687 (gnus-check-backend-function
1688 'request-expire-articles gnus-newsgroup-name)]
1689 ["Query respool" gnus-summary-respool-query t]
1690 ["Trace respool" gnus-summary-respool-trace t]
1691 ["Delete expirable articles" gnus-summary-expire-articles-now
1692 (gnus-check-backend-function
1693 'request-expire-articles gnus-newsgroup-name)])
1695 ["Uudecode" gnus-uu-decode-uu t]
1696 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
1697 ["Unshar" gnus-uu-decode-unshar t]
1698 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
1699 ["Save" gnus-uu-decode-save t]
1700 ["Binhex" gnus-uu-decode-binhex t]
1701 ["Postscript" gnus-uu-decode-postscript t])
1703 ["Enter article" gnus-cache-enter-article t]
1704 ["Remove article" gnus-cache-remove-article t])
1705 ["Translate" gnus-article-babel t]
1706 ["Select article buffer" gnus-summary-select-article-buffer t]
1707 ["Enter digest buffer" gnus-summary-enter-digest-group t]
1708 ["Isearch article..." gnus-summary-isearch-article t]
1709 ["Beginning of the article" gnus-summary-beginning-of-article t]
1710 ["End of the article" gnus-summary-end-of-article t]
1711 ["Fetch parent of article" gnus-summary-refer-parent-article t]
1712 ["Fetch referenced articles" gnus-summary-refer-references t]
1713 ["Fetch current thread" gnus-summary-refer-thread t]
1714 ["Fetch article with id..." gnus-summary-refer-article t]
1715 ["Redisplay" gnus-summary-show-article t])))
1717 gnus-summary-article-menu gnus-summary-mode-map ""
1718 (cons "Article" innards))
1721 gnus-article-commands-menu gnus-article-mode-map ""
1722 (cons "Commands" innards)))
1725 gnus-summary-thread-menu gnus-summary-mode-map ""
1727 ["Toggle threading" gnus-summary-toggle-threads t]
1728 ["Hide threads" gnus-summary-hide-all-threads t]
1729 ["Show threads" gnus-summary-show-all-threads t]
1730 ["Hide thread" gnus-summary-hide-thread t]
1731 ["Show thread" gnus-summary-show-thread t]
1732 ["Go to next thread" gnus-summary-next-thread t]
1733 ["Go to previous thread" gnus-summary-prev-thread t]
1734 ["Go down thread" gnus-summary-down-thread t]
1735 ["Go up thread" gnus-summary-up-thread t]
1736 ["Top of thread" gnus-summary-top-thread t]
1737 ["Mark thread as read" gnus-summary-kill-thread t]
1738 ["Lower thread score" gnus-summary-lower-thread t]
1739 ["Raise thread score" gnus-summary-raise-thread t]
1740 ["Rethread current" gnus-summary-rethread-current t]
1744 gnus-summary-post-menu gnus-summary-mode-map ""
1746 ["Post an article" gnus-summary-post-news t]
1747 ["Followup" gnus-summary-followup t]
1748 ["Followup and yank" gnus-summary-followup-with-original t]
1749 ["Supersede article" gnus-summary-supersede-article t]
1750 ["Cancel article" gnus-summary-cancel-article t]
1751 ["Reply" gnus-summary-reply t]
1752 ["Reply and yank" gnus-summary-reply-with-original t]
1753 ["Wide reply" gnus-summary-wide-reply t]
1754 ["Wide reply and yank" gnus-summary-wide-reply-with-original t]
1755 ["Mail forward" gnus-summary-mail-forward t]
1756 ["Post forward" gnus-summary-post-forward t]
1757 ["Digest and mail" gnus-uu-digest-mail-forward t]
1758 ["Digest and post" gnus-uu-digest-post-forward t]
1759 ["Resend message" gnus-summary-resend-message t]
1760 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
1761 ["Send a mail" gnus-summary-mail-other-window t]
1762 ["Uuencode and post" gnus-uu-post-news t]
1763 ["Followup via news" gnus-summary-followup-to-mail t]
1764 ["Followup via news and yank"
1765 gnus-summary-followup-to-mail-with-original t]
1767 ;;["Send" gnus-summary-send-draft t]
1768 ;;["Send bounced" gnus-resend-bounced-mail t])
1772 gnus-summary-misc-menu gnus-summary-mode-map ""
1775 ["Mark as read" gnus-summary-mark-as-read-forward t]
1776 ["Mark same subject and select"
1777 gnus-summary-kill-same-subject-and-select t]
1778 ["Mark same subject" gnus-summary-kill-same-subject t]
1779 ["Catchup" gnus-summary-catchup t]
1780 ["Catchup all" gnus-summary-catchup-all t]
1781 ["Catchup to here" gnus-summary-catchup-to-here t]
1782 ["Catchup region" gnus-summary-mark-region-as-read t]
1783 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
1785 ["Tick" gnus-summary-tick-article-forward t]
1786 ["Mark as dormant" gnus-summary-mark-as-dormant t]
1787 ["Remove marks" gnus-summary-clear-mark-forward t]
1788 ["Set expirable mark" gnus-summary-mark-as-expirable t]
1789 ["Set bookmark" gnus-summary-set-bookmark t]
1790 ["Remove bookmark" gnus-summary-remove-bookmark t])
1792 ["Marks..." gnus-summary-limit-to-marks t]
1793 ["Subject..." gnus-summary-limit-to-subject t]
1794 ["Author..." gnus-summary-limit-to-author t]
1795 ["Age..." gnus-summary-limit-to-age t]
1796 ["Extra..." gnus-summary-limit-to-extra t]
1797 ["Score" gnus-summary-limit-to-score t]
1798 ["Unread" gnus-summary-limit-to-unread t]
1799 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
1800 ["Articles" gnus-summary-limit-to-articles t]
1801 ["Pop limit" gnus-summary-pop-limit t]
1802 ["Show dormant" gnus-summary-limit-include-dormant t]
1803 ["Hide childless dormant"
1804 gnus-summary-limit-exclude-childless-dormant t]
1805 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
1806 ["Hide marked" gnus-summary-limit-exclude-marks t]
1807 ["Show expunged" gnus-summary-show-all-expunged t])
1809 ["Set mark" gnus-summary-mark-as-processable t]
1810 ["Remove mark" gnus-summary-unmark-as-processable t]
1811 ["Remove all marks" gnus-summary-unmark-all-processable t]
1812 ["Mark above" gnus-uu-mark-over t]
1813 ["Mark series" gnus-uu-mark-series t]
1814 ["Mark region" gnus-uu-mark-region t]
1815 ["Unmark region" gnus-uu-unmark-region t]
1816 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
1817 ["Unmark by regexp..." gnus-uu-unmark-by-regexp t]
1818 ["Mark all" gnus-uu-mark-all t]
1819 ["Mark buffer" gnus-uu-mark-buffer t]
1820 ["Mark sparse" gnus-uu-mark-sparse t]
1821 ["Mark thread" gnus-uu-mark-thread t]
1822 ["Unmark thread" gnus-uu-unmark-thread t]
1823 ("Process Mark Sets"
1824 ["Kill" gnus-summary-kill-process-mark t]
1825 ["Yank" gnus-summary-yank-process-mark
1826 gnus-newsgroup-process-stack]
1827 ["Save" gnus-summary-save-process-mark t]))
1829 ["Page forward" gnus-summary-next-page t]
1830 ["Page backward" gnus-summary-prev-page t]
1831 ["Line forward" gnus-summary-scroll-up t])
1833 ["Next unread article" gnus-summary-next-unread-article t]
1834 ["Previous unread article" gnus-summary-prev-unread-article t]
1835 ["Next article" gnus-summary-next-article t]
1836 ["Previous article" gnus-summary-prev-article t]
1837 ["Next unread subject" gnus-summary-next-unread-subject t]
1838 ["Previous unread subject" gnus-summary-prev-unread-subject t]
1839 ["Next article same subject" gnus-summary-next-same-subject t]
1840 ["Previous article same subject" gnus-summary-prev-same-subject t]
1841 ["First unread article" gnus-summary-first-unread-article t]
1842 ["Best unread article" gnus-summary-best-unread-article t]
1843 ["Go to subject number..." gnus-summary-goto-subject t]
1844 ["Go to article number..." gnus-summary-goto-article t]
1845 ["Go to the last article" gnus-summary-goto-last-article t]
1846 ["Pop article off history" gnus-summary-pop-article t])
1848 ["Sort by number" gnus-summary-sort-by-number t]
1849 ["Sort by author" gnus-summary-sort-by-author t]
1850 ["Sort by subject" gnus-summary-sort-by-subject t]
1851 ["Sort by date" gnus-summary-sort-by-date t]
1852 ["Sort by score" gnus-summary-sort-by-score t]
1853 ["Sort by lines" gnus-summary-sort-by-lines t]
1854 ["Sort by characters" gnus-summary-sort-by-chars t])
1856 ["Fetch group FAQ" gnus-summary-fetch-faq t]
1857 ["Describe group" gnus-summary-describe-group t]
1858 ["Read manual" gnus-info-find-node t])
1860 ["Pick and read" gnus-pick-mode t]
1861 ["Binary" gnus-binary-mode t])
1863 ["Regenerate" gnus-summary-prepare t]
1864 ["Insert cached articles" gnus-summary-insert-cached-articles t]
1865 ["Toggle threading" gnus-summary-toggle-threads t])
1866 ["Filter articles..." gnus-summary-execute-command t]
1867 ["Run command on subjects..." gnus-summary-universal-argument t]
1868 ["Search articles forward..." gnus-summary-search-article-forward t]
1869 ["Search articles backward..." gnus-summary-search-article-backward t]
1870 ["Toggle line truncation" gnus-summary-toggle-truncation t]
1871 ["Expand window" gnus-summary-expand-window t]
1872 ["Expire expirable articles" gnus-summary-expire-articles
1873 (gnus-check-backend-function
1874 'request-expire-articles gnus-newsgroup-name)]
1875 ["Edit local kill file" gnus-summary-edit-local-kill t]
1876 ["Edit main kill file" gnus-summary-edit-global-kill t]
1877 ["Edit group parameters" gnus-summary-edit-parameters t]
1878 ["Customize group parameters" gnus-summary-customize-parameters t]
1879 ["Send a bug report" gnus-bug t]
1881 ["Catchup and exit" gnus-summary-catchup-and-exit t]
1882 ["Catchup all and exit" gnus-summary-catchup-all-and-exit t]
1883 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
1884 ["Exit group" gnus-summary-exit t]
1885 ["Exit group without updating" gnus-summary-exit-no-update t]
1886 ["Exit and goto next group" gnus-summary-next-group t]
1887 ["Exit and goto prev group" gnus-summary-prev-group t]
1888 ["Reselect group" gnus-summary-reselect-current-group t]
1889 ["Rescan group" gnus-summary-rescan-group t]
1890 ["Update dribble" gnus-summary-save-newsrc t])))
1892 (gnus-run-hooks 'gnus-summary-menu-hook)))
1894 (defun gnus-score-set-default (var value)
1895 "A version of set that updates the GNU Emacs menu-bar."
1897 ;; It is the message that forces the active status to be updated.
1900 (defun gnus-make-score-map (type)
1901 "Make a summary score map of type TYPE."
1904 (let ((headers '(("author" "from" string)
1905 ("subject" "subject" string)
1906 ("article body" "body" string)
1907 ("article head" "head" string)
1908 ("xref" "xref" string)
1909 ("extra header" "extra" string)
1910 ("lines" "lines" number)
1911 ("followups to author" "followup" string)))
1912 (types '((number ("less than" <)
1915 (string ("substring" s)
1919 (perms '(("temporary" (current-time-string))
1927 (if (eq type 'lower)
1932 (setq header (car headers))
1938 (let ((ts (cdr (assoc (nth 2 header) types)))
1954 'gnus-summary-score-entry
1956 (if (or (string= (nth 1 header)
1958 (string= (nth 1 header)
1961 (list 'gnus-summary-header
1963 (list 'quote (nth 1 (car ts)))
1964 (list 'gnus-score-default nil)
1970 (list (nreverse outp))))
1973 (list (nreverse outt))))
1975 (setq headers (cdr headers)))
1976 (list (nreverse outh))))))))
1980 (defun gnus-summary-mode (&optional group)
1981 "Major mode for reading articles.
1983 All normal editing commands are switched off.
1984 \\<gnus-summary-mode-map>
1985 Each line in this buffer represents one article. To read an
1986 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
1987 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
1990 You can also post articles and send mail from this buffer. To
1991 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
1992 of an article, type `\\[gnus-summary-reply]'.
1994 There are approx. one gazillion commands you can execute in this
1995 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
1997 The following commands are available:
1999 \\{gnus-summary-mode-map}"
2001 (when (gnus-visual-p 'summary-menu 'menu)
2002 (gnus-summary-make-menu-bar))
2003 (kill-all-local-variables)
2004 (gnus-summary-make-local-variables)
2005 (gnus-make-thread-indent-array)
2006 (gnus-simplify-mode-line)
2007 (setq major-mode 'gnus-summary-mode)
2008 (setq mode-name "Summary")
2009 (make-local-variable 'minor-mode-alist)
2010 (use-local-map gnus-summary-mode-map)
2011 (buffer-disable-undo)
2012 (setq buffer-read-only t) ;Disable modification
2013 (setq truncate-lines t)
2014 (setq selective-display t)
2015 (setq selective-display-ellipses t) ;Display `...'
2016 (gnus-summary-set-display-table)
2017 (gnus-set-default-directory)
2018 (setq gnus-newsgroup-name group)
2019 (make-local-variable 'gnus-summary-line-format)
2020 (make-local-variable 'gnus-summary-line-format-spec)
2021 (make-local-variable 'gnus-summary-dummy-line-format)
2022 (make-local-variable 'gnus-summary-dummy-line-format-spec)
2023 (make-local-variable 'gnus-summary-mark-positions)
2024 (make-local-hook 'pre-command-hook)
2025 (add-hook 'pre-command-hook 'gnus-set-global-variables nil t)
2026 (gnus-run-hooks 'gnus-summary-mode-hook)
2027 (mm-enable-multibyte)
2028 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
2029 (gnus-update-summary-mark-positions))
2031 (defun gnus-summary-make-local-variables ()
2032 "Make all the local summary buffer variables."
2034 (dolist (local gnus-summary-local-variables)
2037 (if (eq (cdr local) 'global)
2038 ;; Copy the global value of the variable.
2039 (setq global (symbol-value (car local)))
2040 ;; Use the value from the list.
2041 (setq global (eval (cdr local))))
2042 (set (make-local-variable (car local)) global))
2043 ;; Simple nil-valued local variable.
2044 (set (make-local-variable local) nil)))))
2046 (defun gnus-summary-clear-local-variables ()
2047 (let ((locals gnus-summary-local-variables))
2049 (if (consp (car locals))
2050 (and (vectorp (caar locals))
2051 (set (caar locals) nil))
2052 (and (vectorp (car locals))
2053 (set (car locals) nil)))
2054 (setq locals (cdr locals)))))
2056 ;; Summary data functions.
2058 (defmacro gnus-data-number (data)
2061 (defmacro gnus-data-set-number (data number)
2062 `(setcar ,data ,number))
2064 (defmacro gnus-data-mark (data)
2067 (defmacro gnus-data-set-mark (data mark)
2068 `(setcar (nthcdr 1 ,data) ,mark))
2070 (defmacro gnus-data-pos (data)
2073 (defmacro gnus-data-set-pos (data pos)
2074 `(setcar (nthcdr 2 ,data) ,pos))
2076 (defmacro gnus-data-header (data)
2079 (defmacro gnus-data-set-header (data header)
2080 `(setf (nth 3 ,data) ,header))
2082 (defmacro gnus-data-level (data)
2085 (defmacro gnus-data-unread-p (data)
2086 `(= (nth 1 ,data) gnus-unread-mark))
2088 (defmacro gnus-data-read-p (data)
2089 `(/= (nth 1 ,data) gnus-unread-mark))
2091 (defmacro gnus-data-pseudo-p (data)
2092 `(consp (nth 3 ,data)))
2094 (defmacro gnus-data-find (number)
2095 `(assq ,number gnus-newsgroup-data))
2097 (defmacro gnus-data-find-list (number &optional data)
2098 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
2099 (memq (assq ,number bdata)
2102 (defmacro gnus-data-make (number mark pos header level)
2103 `(list ,number ,mark ,pos ,header ,level))
2105 (defun gnus-data-enter (after-article number mark pos header level offset)
2106 (let ((data (gnus-data-find-list after-article)))
2108 (error "No such article: %d" after-article))
2109 (setcdr data (cons (gnus-data-make number mark pos header level)
2111 (setq gnus-newsgroup-data-reverse nil)
2112 (gnus-data-update-list (cddr data) offset)))
2114 (defun gnus-data-enter-list (after-article list &optional offset)
2116 (let ((data (and after-article (gnus-data-find-list after-article)))
2120 (let ((odata gnus-newsgroup-data))
2121 (setq gnus-newsgroup-data (nconc list gnus-newsgroup-data))
2123 (gnus-data-update-list odata offset)))
2124 ;; Find the last element in the list to be spliced into the main
2127 (setq list (cdr list)))
2130 (setcdr list gnus-newsgroup-data)
2131 (setq gnus-newsgroup-data ilist)
2133 (gnus-data-update-list (cdr list) offset)))
2134 (setcdr list (cdr data))
2137 (gnus-data-update-list (cdr list) offset))))
2138 (setq gnus-newsgroup-data-reverse nil))))
2140 (defun gnus-data-remove (article &optional offset)
2141 (let ((data gnus-newsgroup-data))
2142 (if (= (gnus-data-number (car data)) article)
2144 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
2145 gnus-newsgroup-data-reverse nil)
2147 (gnus-data-update-list gnus-newsgroup-data offset)))
2149 (when (= (gnus-data-number (cadr data)) article)
2150 (setcdr data (cddr data))
2152 (gnus-data-update-list (cdr data) offset))
2154 gnus-newsgroup-data-reverse nil))
2155 (setq data (cdr data))))))
2157 (defmacro gnus-data-list (backward)
2159 (or gnus-newsgroup-data-reverse
2160 (setq gnus-newsgroup-data-reverse
2161 (reverse gnus-newsgroup-data)))
2162 gnus-newsgroup-data))
2164 (defun gnus-data-update-list (data offset)
2165 "Add OFFSET to the POS of all data entries in DATA."
2166 (setq gnus-newsgroup-data-reverse nil)
2168 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2169 (setq data (cdr data))))
2171 (defun gnus-summary-article-pseudo-p (article)
2172 "Say whether this article is a pseudo article or not."
2173 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2175 (defmacro gnus-summary-article-sparse-p (article)
2176 "Say whether this article is a sparse article or not."
2177 `(memq ,article gnus-newsgroup-sparse))
2179 (defmacro gnus-summary-article-ancient-p (article)
2180 "Say whether this article is a sparse article or not."
2181 `(memq ,article gnus-newsgroup-ancient))
2183 (defun gnus-article-parent-p (number)
2184 "Say whether this article is a parent or not."
2185 (let ((data (gnus-data-find-list number)))
2186 (and (cdr data) ; There has to be an article after...
2187 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2188 (gnus-data-level (nth 1 data))))))
2190 (defun gnus-article-children (number)
2191 "Return a list of all children to NUMBER."
2192 (let* ((data (gnus-data-find-list number))
2193 (level (gnus-data-level (car data)))
2195 (setq data (cdr data))
2197 (= (gnus-data-level (car data)) (1+ level)))
2198 (push (gnus-data-number (car data)) children)
2199 (setq data (cdr data)))
2202 (defmacro gnus-summary-skip-intangible ()
2203 "If the current article is intangible, then jump to a different article."
2204 '(let ((to (get-text-property (point) 'gnus-intangible)))
2205 (and to (gnus-summary-goto-subject to))))
2207 (defmacro gnus-summary-article-intangible-p ()
2208 "Say whether this article is intangible or not."
2209 '(get-text-property (point) 'gnus-intangible))
2211 (defun gnus-article-read-p (article)
2212 "Say whether ARTICLE is read or not."
2213 (not (or (memq article gnus-newsgroup-marked)
2214 (memq article gnus-newsgroup-unreads)
2215 (memq article gnus-newsgroup-unselected)
2216 (memq article gnus-newsgroup-dormant))))
2218 ;; Some summary mode macros.
2220 (defmacro gnus-summary-article-number ()
2221 "The article number of the article on the current line.
2222 If there isn's an article number here, then we return the current
2225 (gnus-summary-skip-intangible)
2226 (or (get-text-property (point) 'gnus-number)
2227 (gnus-summary-last-subject))))
2229 (defmacro gnus-summary-article-header (&optional number)
2230 "Return the header of article NUMBER."
2231 `(gnus-data-header (gnus-data-find
2232 ,(or number '(gnus-summary-article-number)))))
2234 (defmacro gnus-summary-thread-level (&optional number)
2235 "Return the level of thread that starts with article NUMBER."
2236 `(if (and (eq gnus-summary-make-false-root 'dummy)
2237 (get-text-property (point) 'gnus-intangible))
2239 (gnus-data-level (gnus-data-find
2240 ,(or number '(gnus-summary-article-number))))))
2242 (defmacro gnus-summary-article-mark (&optional number)
2243 "Return the mark of article NUMBER."
2244 `(gnus-data-mark (gnus-data-find
2245 ,(or number '(gnus-summary-article-number)))))
2247 (defmacro gnus-summary-article-pos (&optional number)
2248 "Return the position of the line of article NUMBER."
2249 `(gnus-data-pos (gnus-data-find
2250 ,(or number '(gnus-summary-article-number)))))
2252 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2253 (defmacro gnus-summary-article-subject (&optional number)
2254 "Return current subject string or nil if nothing."
2257 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2258 '(gnus-data-header (assq (gnus-summary-article-number)
2259 gnus-newsgroup-data)))))
2262 (mail-header-subject headers))))
2264 (defmacro gnus-summary-article-score (&optional number)
2265 "Return current article score."
2266 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2267 gnus-newsgroup-scored))
2268 gnus-summary-default-score 0))
2270 (defun gnus-summary-article-children (&optional number)
2271 "Return a list of article numbers that are children of article NUMBER."
2272 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2273 (level (gnus-data-level (car data)))
2275 (while (and (setq data (cdr data))
2276 (> (setq l (gnus-data-level (car data))) level))
2277 (and (= (1+ level) l)
2278 (push (gnus-data-number (car data))
2280 (nreverse children)))
2282 (defun gnus-summary-article-parent (&optional number)
2283 "Return the article number of the parent of article NUMBER."
2284 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2285 (gnus-data-list t)))
2286 (level (gnus-data-level (car data))))
2288 () ; This is a root.
2289 ;; We search until we find an article with a level less than
2290 ;; this one. That function has to be the parent.
2291 (while (and (setq data (cdr data))
2292 (not (< (gnus-data-level (car data)) level))))
2293 (and data (gnus-data-number (car data))))))
2295 (defun gnus-unread-mark-p (mark)
2296 "Say whether MARK is the unread mark."
2297 (= mark gnus-unread-mark))
2299 (defun gnus-read-mark-p (mark)
2300 "Say whether MARK is one of the marks that mark as read.
2301 This is all marks except unread, ticked, dormant, and expirable."
2302 (not (or (= mark gnus-unread-mark)
2303 (= mark gnus-ticked-mark)
2304 (= mark gnus-dormant-mark)
2305 (= mark gnus-expirable-mark))))
2307 (defmacro gnus-article-mark (number)
2308 "Return the MARK of article NUMBER.
2309 This macro should only be used when computing the mark the \"first\"
2310 time; i.e., when generating the summary lines. After that,
2311 `gnus-summary-article-mark' should be used to examine the
2314 ((memq ,number gnus-newsgroup-unsendable) gnus-unsendable-mark)
2315 ((memq ,number gnus-newsgroup-undownloaded) gnus-undownloaded-mark)
2316 ((memq ,number gnus-newsgroup-downloadable) gnus-downloadable-mark)
2317 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2318 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2319 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2320 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2321 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2322 gnus-ancient-mark))))
2324 ;; Saving hidden threads.
2326 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
2327 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
2329 (defmacro gnus-save-hidden-threads (&rest forms)
2330 "Save hidden threads, eval FORMS, and restore the hidden threads."
2331 (let ((config (make-symbol "config")))
2332 `(let ((,config (gnus-hidden-threads-configuration)))
2336 (gnus-restore-hidden-threads-configuration ,config)))))
2338 (defun gnus-data-compute-positions ()
2339 "Compute the positions of all articles."
2340 (setq gnus-newsgroup-data-reverse nil)
2341 (let ((data gnus-newsgroup-data))
2343 (gnus-save-hidden-threads
2344 (gnus-summary-show-all-threads)
2345 (goto-char (point-min))
2347 (while (get-text-property (point) 'gnus-intangible)
2349 (gnus-data-set-pos (car data) (+ (point) 3))
2350 (setq data (cdr data))
2351 (forward-line 1))))))
2353 (defun gnus-hidden-threads-configuration ()
2354 "Return the current hidden threads configuration."
2357 (goto-char (point-min))
2358 (while (search-forward "\r" nil t)
2359 (push (1- (point)) config))
2362 (defun gnus-restore-hidden-threads-configuration (config)
2363 "Restore hidden threads configuration from CONFIG."
2364 (let (point buffer-read-only)
2365 (while (setq point (pop config))
2366 (when (and (< point (point-max))
2368 (eq (char-after) ?\n))
2369 (subst-char-in-region point (1+ point) ?\n ?\r)))))
2371 ;; Various summary mode internalish functions.
2373 (defun gnus-mouse-pick-article (e)
2376 (gnus-summary-next-page nil t))
2378 (defun gnus-summary-set-display-table ()
2379 ;; Change the display table. Odd characters have a tendency to mess
2380 ;; up nicely formatted displays - we make all possible glyphs
2381 ;; display only a single character.
2383 ;; We start from the standard display table, if any.
2384 (let ((table (or (copy-sequence standard-display-table)
2385 (make-display-table)))
2387 ;; Nix out all the control chars...
2388 (while (>= (setq i (1- i)) 0)
2389 (aset table i [??]))
2390 ;; ... but not newline and cr, of course. (cr is necessary for the
2391 ;; selective display).
2392 (aset table ?\n nil)
2393 (aset table ?\r nil)
2394 ;; We keep TAB as well.
2395 (aset table ?\t nil)
2396 ;; We nix out any glyphs over 126 that are not set already.
2398 (while (>= (setq i (1- i)) 127)
2399 ;; Only modify if the entry is nil.
2400 (unless (aref table i)
2401 (aset table i [??]))))
2402 (setq buffer-display-table table)))
2404 (defun gnus-summary-setup-buffer (group)
2405 "Initialize summary buffer."
2406 (let ((buffer (concat "*Summary " group "*")))
2407 (if (get-buffer buffer)
2410 (setq gnus-summary-buffer (current-buffer))
2411 (not gnus-newsgroup-prepared))
2412 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
2413 (setq gnus-summary-buffer (set-buffer (gnus-get-buffer-create buffer)))
2414 (gnus-summary-mode group)
2416 (gnus-carpal-setup-buffer 'summary))
2417 (unless gnus-single-article-buffer
2418 (make-local-variable 'gnus-article-buffer)
2419 (make-local-variable 'gnus-article-current)
2420 (make-local-variable 'gnus-original-article-buffer))
2421 (setq gnus-newsgroup-name group)
2424 (defun gnus-set-global-variables ()
2425 ;; Set the global equivalents of the summary buffer-local variables
2426 ;; to the latest values they had. These reflect the summary buffer
2427 ;; that was in action when the last article was fetched.
2428 (when (eq major-mode 'gnus-summary-mode)
2429 (setq gnus-summary-buffer (current-buffer))
2430 (let ((name gnus-newsgroup-name)
2431 (marked gnus-newsgroup-marked)
2432 (unread gnus-newsgroup-unreads)
2433 (headers gnus-current-headers)
2434 (data gnus-newsgroup-data)
2435 (summary gnus-summary-buffer)
2436 (article-buffer gnus-article-buffer)
2437 (original gnus-original-article-buffer)
2438 (gac gnus-article-current)
2439 (reffed gnus-reffed-article-number)
2440 (score-file gnus-current-score-file)
2441 (default-charset gnus-newsgroup-charset))
2443 (set-buffer gnus-group-buffer)
2444 (setq gnus-newsgroup-name name
2445 gnus-newsgroup-marked marked
2446 gnus-newsgroup-unreads unread
2447 gnus-current-headers headers
2448 gnus-newsgroup-data data
2449 gnus-article-current gac
2450 gnus-summary-buffer summary
2451 gnus-article-buffer article-buffer
2452 gnus-original-article-buffer original
2453 gnus-reffed-article-number reffed
2454 gnus-current-score-file score-file
2455 gnus-newsgroup-charset default-charset)
2456 ;; The article buffer also has local variables.
2457 (when (gnus-buffer-live-p gnus-article-buffer)
2458 (set-buffer gnus-article-buffer)
2459 (setq gnus-summary-buffer summary))))))
2461 (defun gnus-summary-article-unread-p (article)
2462 "Say whether ARTICLE is unread or not."
2463 (memq article gnus-newsgroup-unreads))
2465 (defun gnus-summary-first-article-p (&optional article)
2466 "Return whether ARTICLE is the first article in the buffer."
2467 (if (not (setq article (or article (gnus-summary-article-number))))
2469 (eq article (caar gnus-newsgroup-data))))
2471 (defun gnus-summary-last-article-p (&optional article)
2472 "Return whether ARTICLE is the last article in the buffer."
2473 (if (not (setq article (or article (gnus-summary-article-number))))
2474 ;; All non-existent numbers are the last article. :-)
2476 (not (cdr (gnus-data-find-list article)))))
2478 (defun gnus-make-thread-indent-array ()
2480 (unless (and gnus-thread-indent-array
2481 (= gnus-thread-indent-level gnus-thread-indent-array-level))
2482 (setq gnus-thread-indent-array (make-vector 201 "")
2483 gnus-thread-indent-array-level gnus-thread-indent-level)
2485 (aset gnus-thread-indent-array n
2486 (make-string (* n gnus-thread-indent-level) ? ))
2489 (defun gnus-update-summary-mark-positions ()
2490 "Compute where the summary marks are to go."
2492 (when (gnus-buffer-exists-p gnus-summary-buffer)
2493 (set-buffer gnus-summary-buffer))
2494 (let ((gnus-replied-mark 129)
2495 (gnus-score-below-mark 130)
2496 (gnus-score-over-mark 130)
2497 (gnus-download-mark 131)
2498 (spec gnus-summary-line-format-spec)
2501 (gnus-set-work-buffer)
2502 (let ((gnus-summary-line-format-spec spec)
2503 (gnus-newsgroup-downloadable '((0 . t))))
2504 (gnus-summary-insert-line
2505 [0 "" "" "" "" "" 0 0 "" nil] 0 nil 128 t nil "" nil 1)
2506 (goto-char (point-min))
2507 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
2509 (goto-char (point-min))
2510 (push (cons 'replied (and (search-forward "\201" nil t)
2513 (goto-char (point-min))
2514 (push (cons 'score (and (search-forward "\202" nil t) (- (point) 2)))
2516 (goto-char (point-min))
2517 (push (cons 'download
2518 (and (search-forward "\203" nil t) (- (point) 2)))
2520 (setq gnus-summary-mark-positions pos))))
2522 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
2523 "Insert a dummy root in the summary buffer."
2525 (gnus-add-text-properties
2526 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
2527 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
2529 (defun gnus-summary-from-or-to-or-newsgroups (header)
2530 (let ((to (cdr (assq 'To (mail-header-extra header))))
2531 (newsgroups (cdr (assq 'Newsgroups (mail-header-extra header))))
2532 (mail-parse-charset gnus-newsgroup-charset))
2535 gnus-ignored-from-addresses
2536 (string-match gnus-ignored-from-addresses
2537 (mail-header-from header)))
2539 (or (car (funcall gnus-extract-address-components
2541 gnus-decode-encoded-word-function to)))
2542 (funcall gnus-decode-encoded-word-function to))))
2544 gnus-ignored-from-addresses
2545 (string-match gnus-ignored-from-addresses
2546 (mail-header-from header)))
2547 (concat "=> " newsgroups))
2549 (or (car (funcall gnus-extract-address-components
2550 (mail-header-from header)))
2551 (mail-header-from header))))))
2553 (defun gnus-summary-insert-line (gnus-tmp-header
2554 gnus-tmp-level gnus-tmp-current
2555 gnus-tmp-unread gnus-tmp-replied
2556 gnus-tmp-expirable gnus-tmp-subject-or-nil
2557 &optional gnus-tmp-dummy gnus-tmp-score
2559 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
2560 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
2561 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
2562 (gnus-tmp-score-char
2563 (if (or (null gnus-summary-default-score)
2564 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
2565 gnus-summary-zcore-fuzz))
2567 (if (< gnus-tmp-score gnus-summary-default-score)
2568 gnus-score-below-mark gnus-score-over-mark)))
2570 (cond (gnus-tmp-process gnus-process-mark)
2571 ((memq gnus-tmp-current gnus-newsgroup-cached)
2573 (gnus-tmp-replied gnus-replied-mark)
2574 ((memq gnus-tmp-current gnus-newsgroup-saved)
2576 (t gnus-unread-mark)))
2577 (gnus-tmp-from (mail-header-from gnus-tmp-header))
2580 ((string-match "<[^>]+> *$" gnus-tmp-from)
2581 (let ((beg (match-beginning 0)))
2582 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
2583 (substring gnus-tmp-from (1+ (match-beginning 0))
2584 (1- (match-end 0))))
2585 (substring gnus-tmp-from 0 beg))))
2586 ((string-match "(.+)" gnus-tmp-from)
2587 (substring gnus-tmp-from
2588 (1+ (match-beginning 0)) (1- (match-end 0))))
2590 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
2591 (gnus-tmp-number (mail-header-number gnus-tmp-header))
2592 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
2593 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
2594 (buffer-read-only nil))
2595 (when (string= gnus-tmp-name "")
2596 (setq gnus-tmp-name gnus-tmp-from))
2597 (unless (numberp gnus-tmp-lines)
2598 (setq gnus-tmp-lines 0))
2599 (gnus-put-text-property
2601 (progn (eval gnus-summary-line-format-spec) (point))
2602 'gnus-number gnus-tmp-number)
2603 (when (gnus-visual-p 'summary-highlight 'highlight)
2605 (gnus-run-hooks 'gnus-summary-update-hook)
2608 (defun gnus-summary-update-line (&optional dont-update)
2609 ;; Update summary line after change.
2610 (when (and gnus-summary-default-score
2611 (not gnus-summary-inhibit-highlight))
2612 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
2613 (article (gnus-summary-article-number))
2614 (score (gnus-summary-article-score article)))
2616 (if (and gnus-summary-mark-below
2617 (< (gnus-summary-article-score)
2618 gnus-summary-mark-below))
2619 ;; This article has a low score, so we mark it as read.
2620 (when (memq article gnus-newsgroup-unreads)
2621 (gnus-summary-mark-article-as-read gnus-low-score-mark))
2622 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
2623 ;; This article was previously marked as read on account
2624 ;; of a low score, but now it has risen, so we mark it as
2626 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
2627 (gnus-summary-update-mark
2628 (if (or (null gnus-summary-default-score)
2629 (<= (abs (- score gnus-summary-default-score))
2630 gnus-summary-zcore-fuzz))
2632 (if (< score gnus-summary-default-score)
2633 gnus-score-below-mark gnus-score-over-mark))
2635 ;; Do visual highlighting.
2636 (when (gnus-visual-p 'summary-highlight 'highlight)
2637 (gnus-run-hooks 'gnus-summary-update-hook)))))
2639 (defvar gnus-tmp-new-adopts nil)
2641 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
2642 "Return the number of articles in THREAD.
2643 This may be 0 in some cases -- if none of the articles in
2644 the thread are to be displayed."
2646 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
2648 ((not (listp thread))
2650 ((and (consp thread) (cdr thread))
2653 'gnus-summary-number-of-articles-in-thread (cdr thread))))
2656 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
2659 (when (and level (zerop level) gnus-tmp-new-adopts)
2662 'gnus-summary-number-of-articles-in-thread
2663 gnus-tmp-new-adopts))))
2665 (if (> number 1) gnus-not-empty-thread-mark
2666 gnus-empty-thread-mark)
2669 (defun gnus-summary-set-local-parameters (group)
2670 "Go through the local params of GROUP and set all variable specs in that list."
2671 (let ((params (gnus-group-find-parameter group))
2674 (setq elem (car params)
2675 params (cdr params))
2676 (and (consp elem) ; Has to be a cons.
2677 (consp (cdr elem)) ; The cdr has to be a list.
2678 (symbolp (car elem)) ; Has to be a symbol in there.
2679 (not (memq (car elem) '(quit-config))) ; Ignore quit-config.
2680 (ignore-errors ; So we set it.
2681 (make-local-variable (car elem))
2682 (set (car elem) (eval (nth 1 elem))))))))
2684 (defun gnus-summary-read-group (group &optional show-all no-article
2685 kill-buffer no-display backward
2687 "Start reading news in newsgroup GROUP.
2688 If SHOW-ALL is non-nil, already read articles are also listed.
2689 If NO-ARTICLE is non-nil, no article is selected initially.
2690 If NO-DISPLAY, don't generate a summary buffer."
2694 (let ((gnus-auto-select-next nil))
2695 (or (gnus-summary-read-group-1
2696 group show-all no-article
2697 kill-buffer no-display
2700 select-articles nil)))))
2701 (eq gnus-auto-select-next 'quietly))
2702 (set-buffer gnus-group-buffer)
2703 ;; The entry function called above goes to the next
2704 ;; group automatically, so we go two groups back
2705 ;; if we are searching for the previous group.
2707 (gnus-group-prev-unread-group 2))
2708 (if (not (equal group (gnus-group-group-name)))
2709 (setq group (gnus-group-group-name))
2713 (defun gnus-summary-read-group-1 (group show-all no-article
2714 kill-buffer no-display
2715 &optional select-articles)
2716 ;; Killed foreign groups can't be entered.
2717 (when (and (not (gnus-group-native-p group))
2718 (not (gnus-gethash group gnus-newsrc-hashtb)))
2719 (error "Dead non-native groups can't be entered"))
2720 (gnus-message 5 "Retrieving newsgroup: %s..." group)
2721 (let* ((new-group (gnus-summary-setup-buffer group))
2722 (quit-config (gnus-group-quit-config group))
2723 (did-select (and new-group (gnus-select-newsgroup
2724 group show-all select-articles))))
2726 ;; This summary buffer exists already, so we just select it.
2728 (gnus-set-global-variables)
2730 (gnus-kill-or-deaden-summary kill-buffer))
2731 (gnus-configure-windows 'summary 'force)
2732 (gnus-set-mode-line 'summary)
2733 (gnus-summary-position-point)
2736 ;; We couldn't select this group.
2738 (when (and (eq major-mode 'gnus-summary-mode)
2739 (not (equal (current-buffer) kill-buffer)))
2740 (kill-buffer (current-buffer))
2741 (if (not quit-config)
2743 ;; Update the info -- marks might need to be removed,
2745 (gnus-summary-update-info)
2746 (set-buffer gnus-group-buffer)
2747 (gnus-group-jump-to-group group)
2748 (gnus-group-next-unread-group 1))
2749 (gnus-handle-ephemeral-exit quit-config)))
2750 (gnus-message 3 "Can't select group")
2752 ;; The user did a `C-g' while prompting for number of articles,
2753 ;; so we exit this group.
2754 ((eq did-select 'quit)
2755 (and (eq major-mode 'gnus-summary-mode)
2756 (not (equal (current-buffer) kill-buffer))
2757 (kill-buffer (current-buffer)))
2759 (gnus-kill-or-deaden-summary kill-buffer))
2760 (if (not quit-config)
2762 (set-buffer gnus-group-buffer)
2763 (gnus-group-jump-to-group group)
2764 (gnus-group-next-unread-group 1)
2765 (gnus-configure-windows 'group 'force))
2766 (gnus-handle-ephemeral-exit quit-config))
2767 ;; Finally signal the quit.
2769 ;; The group was successfully selected.
2771 (gnus-set-global-variables)
2772 ;; Save the active value in effect when the group was entered.
2773 (setq gnus-newsgroup-active
2775 (gnus-active gnus-newsgroup-name)))
2776 ;; You can change the summary buffer in some way with this hook.
2777 (gnus-run-hooks 'gnus-select-group-hook)
2778 ;; Set any local variables in the group parameters.
2779 (gnus-summary-set-local-parameters gnus-newsgroup-name)
2780 (gnus-update-format-specifications
2781 nil 'summary 'summary-mode 'summary-dummy)
2782 ;; Do score processing.
2783 (when gnus-use-scoring
2784 (gnus-possibly-score-headers))
2785 ;; Check whether to fill in the gaps in the threads.
2786 (when gnus-build-sparse-threads
2787 (gnus-build-sparse-threads))
2788 ;; Find the initial limit.
2789 (if gnus-show-threads
2791 (let ((gnus-newsgroup-dormant nil))
2792 (gnus-summary-initial-limit show-all))
2793 (gnus-summary-initial-limit show-all))
2794 (setq gnus-newsgroup-limit
2796 (lambda (header) (mail-header-number header))
2797 gnus-newsgroup-headers)))
2798 ;; Generate the summary buffer.
2800 (gnus-summary-prepare))
2801 (when gnus-use-trees
2802 (gnus-tree-open group)
2803 (setq gnus-summary-highlight-line-function
2804 'gnus-tree-highlight-article))
2805 ;; If the summary buffer is empty, but there are some low-scored
2806 ;; articles or some excluded dormants, we include these in the
2808 (when (and (zerop (buffer-size))
2810 (cond (gnus-newsgroup-dormant
2811 (gnus-summary-limit-include-dormant))
2812 ((and gnus-newsgroup-scored show-all)
2813 (gnus-summary-limit-include-expunged t))))
2814 ;; Function `gnus-apply-kill-file' must be called in this hook.
2815 (gnus-run-hooks 'gnus-apply-kill-hook)
2816 (if (and (zerop (buffer-size))
2819 ;; This newsgroup is empty.
2820 (gnus-summary-catchup-and-exit nil t)
2821 (gnus-message 6 "No unread news")
2823 (gnus-kill-or-deaden-summary kill-buffer))
2824 ;; Return nil from this function.
2826 ;; Hide conversation thread subtrees. We cannot do this in
2827 ;; gnus-summary-prepare-hook since kill processing may not
2828 ;; work with hidden articles.
2829 (and gnus-show-threads
2830 gnus-thread-hide-subtree
2831 (gnus-summary-hide-all-threads))
2833 (gnus-kill-or-deaden-summary kill-buffer))
2834 ;; Show first unread article if requested.
2835 (if (and (not no-article)
2837 gnus-newsgroup-unreads
2838 gnus-auto-select-first)
2840 (gnus-configure-windows 'summary)
2842 ((eq gnus-auto-select-first 'best)
2843 (gnus-summary-best-unread-article))
2844 ((eq gnus-auto-select-first t)
2845 (gnus-summary-first-unread-article))
2846 ((gnus-functionp gnus-auto-select-first)
2847 (funcall gnus-auto-select-first))))
2848 ;; Don't select any articles, just move point to the first
2849 ;; article in the group.
2850 (goto-char (point-min))
2851 (gnus-summary-position-point)
2852 (gnus-configure-windows 'summary 'force)
2853 (gnus-set-mode-line 'summary))
2854 (when (get-buffer-window gnus-group-buffer t)
2855 ;; Gotta use windows, because recenter does weird stuff if
2856 ;; the current buffer ain't the displayed window.
2857 (let ((owin (selected-window)))
2858 (select-window (get-buffer-window gnus-group-buffer t))
2859 (when (gnus-group-goto-group group)
2861 (select-window owin)))
2862 ;; Mark this buffer as "prepared".
2863 (setq gnus-newsgroup-prepared t)
2864 (gnus-run-hooks 'gnus-summary-prepared-hook)
2867 (defun gnus-summary-prepare ()
2868 "Generate the summary buffer."
2870 (let ((buffer-read-only nil))
2872 (setq gnus-newsgroup-data nil
2873 gnus-newsgroup-data-reverse nil)
2874 (gnus-run-hooks 'gnus-summary-generate-hook)
2875 ;; Generate the buffer, either with threads or without.
2876 (when gnus-newsgroup-headers
2877 (gnus-summary-prepare-threads
2878 (if gnus-show-threads
2879 (gnus-sort-gathered-threads
2880 (funcall gnus-summary-thread-gathering-function
2882 (gnus-cut-threads (gnus-make-threads)))))
2883 ;; Unthreaded display.
2884 (gnus-sort-articles gnus-newsgroup-headers))))
2885 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
2886 ;; Call hooks for modifying summary buffer.
2887 (goto-char (point-min))
2888 (gnus-run-hooks 'gnus-summary-prepare-hook)))
2890 (defsubst gnus-general-simplify-subject (subject)
2891 "Simply subject by the same rules as gnus-gather-threads-by-subject."
2894 ;; Truncate the subject.
2895 (gnus-simplify-subject-functions
2896 (gnus-map-function gnus-simplify-subject-functions subject))
2897 ((numberp gnus-summary-gather-subject-limit)
2898 (setq subject (gnus-simplify-subject-re subject))
2899 (if (> (length subject) gnus-summary-gather-subject-limit)
2900 (substring subject 0 gnus-summary-gather-subject-limit)
2902 ;; Fuzzily simplify it.
2903 ((eq 'fuzzy gnus-summary-gather-subject-limit)
2904 (gnus-simplify-subject-fuzzy subject))
2905 ;; Just remove the leading "Re:".
2907 (gnus-simplify-subject-re subject))))
2909 (if (and gnus-summary-gather-exclude-subject
2910 (string-match gnus-summary-gather-exclude-subject subject))
2911 nil ; This article shouldn't be gathered
2914 (defun gnus-summary-simplify-subject-query ()
2915 "Query where the respool algorithm would put this article."
2917 (gnus-summary-select-article)
2918 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
2920 (defun gnus-gather-threads-by-subject (threads)
2921 "Gather threads by looking at Subject headers."
2922 (if (not gnus-summary-make-false-root)
2924 (let ((hashtb (gnus-make-hashtable 1024))
2927 subject hthread whole-subject)
2929 (setq subject (gnus-general-simplify-subject
2930 (setq whole-subject (mail-header-subject
2933 (if (setq hthread (gnus-gethash subject hashtb))
2935 ;; We enter a dummy root into the thread, if we
2936 ;; haven't done that already.
2937 (unless (stringp (caar hthread))
2938 (setcar hthread (list whole-subject (car hthread))))
2939 ;; We add this new gathered thread to this gathered
2941 (setcdr (car hthread)
2942 (nconc (cdar hthread) (list (car threads))))
2943 ;; Remove it from the list of threads.
2944 (setcdr prev (cdr threads))
2945 (setq threads prev))
2946 ;; Enter this thread into the hash table.
2947 (gnus-sethash subject threads hashtb)))
2949 (setq threads (cdr threads)))
2952 (defun gnus-gather-threads-by-references (threads)
2953 "Gather threads by looking at References headers."
2954 (let ((idhashtb (gnus-make-hashtable 1024))
2955 (thhashtb (gnus-make-hashtable 1024))
2958 ids references id gthread gid entered ref)
2960 (when (setq references (mail-header-references (caar threads)))
2961 (setq id (mail-header-id (caar threads))
2962 ids (gnus-split-references references)
2964 (while (setq ref (pop ids))
2965 (setq ids (delete ref ids))
2966 (if (not (setq gid (gnus-gethash ref idhashtb)))
2968 (gnus-sethash ref id idhashtb)
2969 (gnus-sethash id threads thhashtb))
2970 (setq gthread (gnus-gethash gid thhashtb))
2972 ;; We enter a dummy root into the thread, if we
2973 ;; haven't done that already.
2974 (unless (stringp (caar gthread))
2975 (setcar gthread (list (mail-header-subject (caar gthread))
2977 ;; We add this new gathered thread to this gathered
2979 (setcdr (car gthread)
2980 (nconc (cdar gthread) (list (car threads)))))
2981 ;; Add it into the thread hash table.
2982 (gnus-sethash id gthread thhashtb)
2984 ;; Remove it from the list of threads.
2985 (setcdr prev (cdr threads))
2986 (setq threads prev))))
2988 (setq threads (cdr threads)))
2991 (defun gnus-sort-gathered-threads (threads)
2992 "Sort subtreads inside each gathered thread by article number."
2993 (let ((result threads))
2995 (when (stringp (caar threads))
2996 (setcdr (car threads)
2997 (sort (cdar threads) 'gnus-thread-sort-by-number)))
2998 (setq threads (cdr threads)))
3001 (defun gnus-thread-loop-p (root thread)
3002 "Say whether ROOT is in THREAD."
3003 (let ((stack (list thread))
3006 (while (setq thread (pop stack))
3007 (setq th (cdr thread))
3009 (not (eq (caar th) root)))
3012 ;; We have found a loop.
3014 (setcdr thread (delq (car th) (cdr thread)))
3015 (if (boundp (setq ref-dep (intern "none"
3016 gnus-newsgroup-dependencies)))
3017 (setcdr (symbol-value ref-dep)
3018 (nconc (cdr (symbol-value ref-dep))
3020 (set ref-dep (list nil (car th))))
3023 ;; Push all the subthreads onto the stack.
3024 (push (cdr thread) stack)))
3027 (defun gnus-make-threads ()
3028 "Go through the dependency hashtb and find the roots. Return all threads."
3030 (while (catch 'infloop
3033 ;; Deal with self-referencing References loops.
3034 (when (and (car (symbol-value refs))
3041 (car (symbol-value refs)) thread))
3042 (cdr (symbol-value refs)))))))
3045 (unless (car (symbol-value refs))
3046 ;; These threads do not refer back to any other articles,
3047 ;; so they're roots.
3048 (setq threads (append (cdr (symbol-value refs)) threads))))
3049 gnus-newsgroup-dependencies)))
3052 ;; Build the thread tree.
3053 (defsubst gnus-dependencies-add-header (header dependencies force-new)
3054 "Enter HEADER into the DEPENDENCIES table if it is not already there.
3056 If FORCE-NEW is not nil, enter HEADER into the DEPENDENCIES table even
3057 if it was already present.
3059 If `gnus-summary-ignore-duplicates' is nil then duplicate Message-IDs
3060 will not be entered in the DEPENDENCIES table. Otherwise duplicate
3061 Message-IDs will be renamed be renamed to a unique Message-ID before
3064 Returns HEADER if it was entered in the DEPENDENCIES. Returns nil otherwise."
3065 (let* ((id (mail-header-id header))
3066 (id-dep (and id (intern id dependencies)))
3067 ref ref-dep ref-header)
3068 ;; Enter this `header' in the `dependencies' table.
3072 ;; The first two cases do the normal part: enter a new `header'
3073 ;; in the `dependencies' table.
3074 ((not (boundp id-dep))
3075 (set id-dep (list header)))
3076 ((null (car (symbol-value id-dep)))
3077 (setcar (symbol-value id-dep) header))
3079 ;; From here the `header' was already present in the
3080 ;; `dependencies' table.
3082 ;; Overrides an existing entry;
3083 ;; just set the header part of the entry.
3084 (setcar (symbol-value id-dep) header))
3086 ;; Renames the existing `header' to a unique Message-ID.
3087 ((not gnus-summary-ignore-duplicates)
3088 ;; An article with this Message-ID has already been seen.
3089 ;; We rename the Message-ID.
3090 (set (setq id-dep (intern (setq id (nnmail-message-id)) dependencies))
3092 (mail-header-set-id header id))
3094 ;; The last case ignores an existing entry, except it adds any
3095 ;; additional Xrefs (in case the two articles came from different
3097 ;; Also sets `header' to `nil' meaning that the `dependencies'
3098 ;; table was *not* modified.
3100 (mail-header-set-xref
3101 (car (symbol-value id-dep))
3102 (concat (or (mail-header-xref (car (symbol-value id-dep)))
3104 (or (mail-header-xref header) "")))
3108 ;; First check if that we are not creating a References loop.
3109 (setq ref (gnus-parent-id (mail-header-references header)))
3111 (setq ref-dep (intern-soft ref dependencies))
3113 (setq ref-header (car (symbol-value ref-dep))))
3114 (if (string= id ref)
3115 ;; Yuk! This is a reference loop. Make the article be a
3118 (mail-header-set-references (car (symbol-value id-dep)) "none")
3120 (setq ref (gnus-parent-id (mail-header-references ref-header)))))
3121 (setq ref (gnus-parent-id (mail-header-references header)))
3122 (setq ref-dep (intern (or ref "none") dependencies))
3123 (if (boundp ref-dep)
3124 (setcdr (symbol-value ref-dep)
3125 (nconc (cdr (symbol-value ref-dep))
3126 (list (symbol-value id-dep))))
3127 (set ref-dep (list nil (symbol-value id-dep)))))
3130 (defun gnus-build-sparse-threads ()
3131 (let ((headers gnus-newsgroup-headers)
3132 (gnus-summary-ignore-duplicates t)
3133 header references generation relations
3134 subject child end new-child date)
3135 ;; First we create an alist of generations/relations, where
3136 ;; generations is how much we trust the relation, and the relation
3138 (gnus-message 7 "Making sparse threads...")
3140 (nnheader-set-temp-buffer " *gnus sparse threads*")
3141 (while (setq header (pop headers))
3142 (when (and (setq references (mail-header-references header))
3143 (not (string= references "")))
3145 (setq child (mail-header-id header)
3146 subject (mail-header-subject header)
3147 date (mail-header-date header)
3149 (while (search-backward ">" nil t)
3150 (setq end (1+ (point)))
3151 (when (search-backward "<" nil t)
3152 (setq new-child (buffer-substring (point) end))
3153 (push (list (incf generation)
3154 child (setq child new-child)
3158 (push (list (1+ generation) child nil subject) relations))
3160 (kill-buffer (current-buffer)))
3161 ;; Sort over trustworthiness.
3164 (when (gnus-dependencies-add-header
3165 (make-full-mail-header
3166 gnus-reffed-article-number
3167 (nth 3 relation) "" (or (nth 4 relation) "")
3169 (or (nth 2 relation) "") 0 0 "")
3170 gnus-newsgroup-dependencies nil)
3171 (push gnus-reffed-article-number gnus-newsgroup-limit)
3172 (push gnus-reffed-article-number gnus-newsgroup-sparse)
3173 (push (cons gnus-reffed-article-number gnus-sparse-mark)
3174 gnus-newsgroup-reads)
3175 (decf gnus-reffed-article-number)))
3176 (sort relations 'car-less-than-car))
3177 (gnus-message 7 "Making sparse threads...done")))
3179 (defun gnus-build-old-threads ()
3180 ;; Look at all the articles that refer back to old articles, and
3181 ;; fetch the headers for the articles that aren't there. This will
3182 ;; build complete threads - if the roots haven't been expired by the
3187 (when (not (car (symbol-value refs)))
3188 (setq heads (cdr (symbol-value refs)))
3190 (if (memq (mail-header-number (caar heads))
3191 gnus-newsgroup-dormant)
3192 (setq heads (cdr heads))
3193 (setq id (symbol-name refs))
3194 (while (and (setq id (gnus-build-get-header id))
3195 (not (car (gnus-id-to-thread id)))))
3196 (setq heads nil)))))
3197 gnus-newsgroup-dependencies)))
3199 ;; This function has to be called with point after the article number
3200 ;; on the beginning of the line.
3201 (defsubst gnus-nov-parse-line (number dependencies &optional force-new)
3202 (let ((eol (gnus-point-at-eol))
3203 (buffer (current-buffer))
3206 ;; overview: [num subject from date id refs chars lines misc]
3209 (narrow-to-region (point) eol)
3214 (make-full-mail-header
3216 (funcall gnus-decode-encoded-word-function
3217 (nnheader-nov-field)) ; subject
3218 (funcall gnus-decode-encoded-word-function
3219 (nnheader-nov-field)) ; from
3220 (nnheader-nov-field) ; date
3221 (nnheader-nov-read-message-id) ; id
3222 (nnheader-nov-field) ; refs
3223 (nnheader-nov-read-integer) ; chars
3224 (nnheader-nov-read-integer) ; lines
3226 (nnheader-nov-field)) ; misc
3227 (nnheader-nov-parse-extra)))) ; extra
3231 (when gnus-alter-header-function
3232 (funcall gnus-alter-header-function header))
3233 (gnus-dependencies-add-header header dependencies force-new)))
3235 (defun gnus-build-get-header (id)
3236 ;; Look through the buffer of NOV lines and find the header to
3237 ;; ID. Enter this line into the dependencies hash table, and return
3238 ;; the id of the parent article (if any).
3239 (let ((deps gnus-newsgroup-dependencies)
3243 (set-buffer nntp-server-buffer)
3244 (let ((case-fold-search nil))
3245 (goto-char (point-min))
3246 (while (and (not found)
3247 (search-forward id nil t))
3249 (setq found (looking-at
3250 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
3251 (regexp-quote id))))
3252 (or found (beginning-of-line 2)))
3256 (setq header (gnus-nov-parse-line
3257 (read (current-buffer)) deps))
3258 (gnus-parent-id (mail-header-references header))))))
3260 (let ((number (mail-header-number header)))
3261 (push number gnus-newsgroup-limit)
3262 (push header gnus-newsgroup-headers)
3263 (if (memq number gnus-newsgroup-unselected)
3265 (push number gnus-newsgroup-unreads)
3266 (setq gnus-newsgroup-unselected
3267 (delq number gnus-newsgroup-unselected)))
3268 (push number gnus-newsgroup-ancient)))))))
3270 (defun gnus-build-all-threads ()
3271 "Read all the headers."
3272 (let ((gnus-summary-ignore-duplicates t)
3273 (dependencies gnus-newsgroup-dependencies)
3276 (set-buffer nntp-server-buffer)
3277 (let ((case-fold-search nil))
3278 (goto-char (point-min))
3281 (setq article (read (current-buffer))
3282 header (gnus-nov-parse-line
3283 article dependencies)))
3286 (set-buffer gnus-summary-buffer)
3287 (push header gnus-newsgroup-headers)
3288 (if (memq (setq article (mail-header-number header))
3289 gnus-newsgroup-unselected)
3291 (push article gnus-newsgroup-unreads)
3292 (setq gnus-newsgroup-unselected
3293 (delq article gnus-newsgroup-unselected)))
3294 (push article gnus-newsgroup-ancient)))
3295 (forward-line 1)))))))
3297 (defun gnus-summary-update-article-line (article header)
3298 "Update the line for ARTICLE using HEADERS."
3299 (let* ((id (mail-header-id header))
3300 (thread (gnus-id-to-thread id)))
3302 (error "Article in no thread"))
3303 ;; Update the thread.
3304 (setcar thread header)
3305 (gnus-summary-goto-subject article)
3306 (let* ((datal (gnus-data-find-list article))
3308 (length (when (cdr datal)
3309 (- (gnus-data-pos data)
3310 (gnus-data-pos (cadr datal)))))
3311 (buffer-read-only nil)
3312 (level (gnus-summary-thread-level)))
3314 (gnus-summary-insert-line
3315 header level nil (gnus-article-mark article)
3316 (memq article gnus-newsgroup-replied)
3317 (memq article gnus-newsgroup-expirable)
3318 ;; Only insert the Subject string when it's different
3319 ;; from the previous Subject string.
3320 (if (gnus-subject-equal
3322 (mail-header-subject
3325 (gnus-data-find-list
3327 (gnus-data-list t)))))
3328 ;; Error on the side of excessive subjects.
3330 (mail-header-subject header))
3332 (mail-header-subject header))
3333 nil (cdr (assq article gnus-newsgroup-scored))
3334 (memq article gnus-newsgroup-processable))
3336 (gnus-data-update-list
3337 (cdr datal) (- length (- (gnus-data-pos data) (point))))))))
3339 (defun gnus-summary-update-article (article &optional iheader)
3340 "Update ARTICLE in the summary buffer."
3341 (set-buffer gnus-summary-buffer)
3342 (let* ((header (gnus-summary-article-header article))
3343 (id (mail-header-id header))
3344 (data (gnus-data-find article))
3345 (thread (gnus-id-to-thread id))
3346 (references (mail-header-references header))
3350 (when (and references
3351 (not (equal "" references)))
3354 (buffer-read-only nil)
3360 (delq thread parent)))
3361 (if (gnus-summary-insert-subject id header)
3362 ;; Set the (possibly) new article number in the data structure.
3363 (gnus-data-set-number data (gnus-id-to-article id))
3367 (defun gnus-rebuild-thread (id &optional line)
3368 "Rebuild the thread containing ID.
3369 If LINE, insert the rebuilt thread starting on line LINE."
3370 (let ((buffer-read-only nil)
3371 old-pos current thread data)
3372 (if (not gnus-show-threads)
3373 (setq thread (list (car (gnus-id-to-thread id))))
3374 ;; Get the thread this article is part of.
3375 (setq thread (gnus-remove-thread id)))
3376 (setq old-pos (gnus-point-at-bol))
3377 (setq current (save-excursion
3378 (and (zerop (forward-line -1))
3379 (gnus-summary-article-number))))
3380 ;; If this is a gathered thread, we have to go some re-gathering.
3381 (when (stringp (car thread))
3382 (let ((subject (car thread))
3384 (setq thread (cdr thread))
3386 (unless (memq (setq thr (gnus-id-to-thread
3388 (mail-header-id (caar thread)))))
3391 (setq thread (cdr thread)))
3392 ;; We now have all (unique) roots.
3393 (if (= (length roots) 1)
3394 ;; All the loose roots are now one solid root.
3395 (setq thread (car roots))
3396 (setq thread (cons subject (gnus-sort-threads roots))))))
3398 ;; We then insert this thread into the summary buffer.
3400 (goto-char (point-min))
3401 (forward-line (1- line)))
3402 (let (gnus-newsgroup-data gnus-newsgroup-threads)
3403 (if gnus-show-threads
3404 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
3405 (gnus-summary-prepare-unthreaded thread))
3406 (setq data (nreverse gnus-newsgroup-data))
3407 (setq threads gnus-newsgroup-threads))
3408 ;; We splice the new data into the data structure.
3409 ;;!!! This is kinda bogus. We assume that in LINE is non-nil,
3410 ;;!!! then we want to insert at the beginning of the buffer.
3411 ;;!!! That happens to be true with Gnus now, but that may
3412 ;;!!! change in the future. Perhaps.
3413 (gnus-data-enter-list
3414 (if line nil current) data (- (point) old-pos))
3415 (setq gnus-newsgroup-threads
3416 (nconc threads gnus-newsgroup-threads))
3417 (gnus-data-compute-positions))))
3419 (defun gnus-number-to-header (number)
3420 "Return the header for article NUMBER."
3421 (let ((headers gnus-newsgroup-headers))
3423 (not (= number (mail-header-number (car headers)))))
3428 (defun gnus-parent-headers (in-headers &optional generation)
3429 "Return the headers of the GENERATIONeth parent of HEADERS."
3431 (setq generation 1))
3433 (headers in-headers)
3436 (not (zerop generation))
3437 (setq references (mail-header-references headers)))
3438 (setq headers (if (and references
3439 (setq parent (gnus-parent-id references)))
3440 (car (gnus-id-to-thread parent))
3443 (and (not (eq headers in-headers))
3446 (defun gnus-id-to-thread (id)
3447 "Return the (sub-)thread where ID appears."
3448 (gnus-gethash id gnus-newsgroup-dependencies))
3450 (defun gnus-id-to-article (id)
3451 "Return the article number of ID."
3452 (let ((thread (gnus-id-to-thread id)))
3455 (mail-header-number (car thread)))))
3457 (defun gnus-id-to-header (id)
3458 "Return the article headers of ID."
3459 (car (gnus-id-to-thread id)))
3461 (defun gnus-article-displayed-root-p (article)
3462 "Say whether ARTICLE is a root(ish) article."
3463 (let ((level (gnus-summary-thread-level article))
3464 (refs (mail-header-references (gnus-summary-article-header article)))
3470 ((null (gnus-parent-id refs)) t)
3472 (null (setq particle (gnus-id-to-article
3473 (gnus-parent-id refs))))
3474 (null (gnus-summary-thread-level particle)))))))
3476 (defun gnus-root-id (id)
3477 "Return the id of the root of the thread where ID appears."
3479 (while (and id (setq prev (car (gnus-id-to-thread id))))
3481 id (gnus-parent-id (mail-header-references prev))))
3484 (defun gnus-articles-in-thread (thread)
3485 "Return the list of articles in THREAD."
3486 (cons (mail-header-number (car thread))
3487 (apply 'nconc (mapcar 'gnus-articles-in-thread (cdr thread)))))
3489 (defun gnus-remove-thread (id &optional dont-remove)
3490 "Remove the thread that has ID in it."
3491 (let (headers thread last-id)
3492 ;; First go up in this thread until we find the root.
3493 (setq last-id (gnus-root-id id)
3494 headers (message-flatten-list (gnus-id-to-thread last-id)))
3495 ;; We have now found the real root of this thread. It might have
3496 ;; been gathered into some loose thread, so we have to search
3497 ;; through the threads to find the thread we wanted.
3498 (let ((threads gnus-newsgroup-threads)
3501 (setq sub (car threads))
3502 (if (stringp (car sub))
3503 ;; This is a gathered thread, so we look at the roots
3504 ;; below it to find whether this article is in this
3507 (setq sub (cdr sub))
3509 (when (member (caar sub) headers)
3510 (setq thread (car threads)
3513 (setq sub (cdr sub))))
3514 ;; It's an ordinary thread, so we check it.
3515 (when (eq (car sub) (car headers))
3518 (setq threads (cdr threads)))
3519 ;; If this article is in no thread, then it's a root.
3522 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
3523 (setq thread (gnus-id-to-thread last-id)))
3526 thread ; We return this thread.
3528 (if (stringp (car thread))
3530 ;; If we use dummy roots, then we have to remove the
3531 ;; dummy root as well.
3532 (when (eq gnus-summary-make-false-root 'dummy)
3533 ;; We go to the dummy root by going to
3534 ;; the first sub-"thread", and then one line up.
3535 (gnus-summary-goto-article
3536 (mail-header-number (caadr thread)))
3539 (gnus-data-compute-positions))
3540 (setq thread (cdr thread))
3542 (gnus-remove-thread-1 (car thread))
3543 (setq thread (cdr thread))))
3544 (gnus-summary-show-all-threads)
3545 (gnus-remove-thread-1 thread))))))))
3547 (defun gnus-remove-thread-1 (thread)
3548 "Remove the thread THREAD recursively."
3549 (let ((number (mail-header-number (pop thread)))
3551 (setq thread (reverse thread))
3553 (gnus-remove-thread-1 (pop thread)))
3554 (when (setq d (gnus-data-find number))
3555 (goto-char (gnus-data-pos d))
3558 (- (gnus-point-at-bol)
3560 (1+ (gnus-point-at-eol))
3561 (gnus-delete-line)))))))
3563 (defun gnus-sort-threads (threads)
3565 (if (not gnus-thread-sort-functions)
3567 (gnus-message 8 "Sorting threads...")
3569 (sort threads (gnus-make-sort-function gnus-thread-sort-functions))
3570 (gnus-message 8 "Sorting threads...done"))))
3572 (defun gnus-sort-articles (articles)
3574 (when gnus-article-sort-functions
3575 (gnus-message 7 "Sorting articles...")
3577 (setq gnus-newsgroup-headers
3578 (sort articles (gnus-make-sort-function
3579 gnus-article-sort-functions)))
3580 (gnus-message 7 "Sorting articles...done"))))
3582 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
3583 (defmacro gnus-thread-header (thread)
3584 ;; Return header of first article in THREAD.
3585 ;; Note that THREAD must never, ever be anything else than a variable -
3586 ;; using some other form will lead to serious barfage.
3587 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
3588 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
3589 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207" ;
3592 (defsubst gnus-article-sort-by-number (h1 h2)
3593 "Sort articles by article number."
3594 (< (mail-header-number h1)
3595 (mail-header-number h2)))
3597 (defun gnus-thread-sort-by-number (h1 h2)
3598 "Sort threads by root article number."
3599 (gnus-article-sort-by-number
3600 (gnus-thread-header h1) (gnus-thread-header h2)))
3602 (defsubst gnus-article-sort-by-lines (h1 h2)
3603 "Sort articles by article Lines header."
3604 (< (mail-header-lines h1)
3605 (mail-header-lines h2)))
3607 (defun gnus-thread-sort-by-lines (h1 h2)
3608 "Sort threads by root article Lines header."
3609 (gnus-article-sort-by-lines
3610 (gnus-thread-header h1) (gnus-thread-header h2)))
3612 (defsubst gnus-article-sort-by-chars (h1 h2)
3613 "Sort articles by octet length."
3614 (< (mail-header-chars h1)
3615 (mail-header-chars h2)))
3617 (defun gnus-thread-sort-by-chars (h1 h2)
3618 "Sort threads by root article octet length."
3619 (gnus-article-sort-by-chars
3620 (gnus-thread-header h1) (gnus-thread-header h2)))
3622 (defsubst gnus-article-sort-by-author (h1 h2)
3623 "Sort articles by root author."
3625 (let ((extract (funcall
3626 gnus-extract-address-components
3627 (mail-header-from h1))))
3628 (or (car extract) (cadr extract) ""))
3629 (let ((extract (funcall
3630 gnus-extract-address-components
3631 (mail-header-from h2))))
3632 (or (car extract) (cadr extract) ""))))
3634 (defun gnus-thread-sort-by-author (h1 h2)
3635 "Sort threads by root author."
3636 (gnus-article-sort-by-author
3637 (gnus-thread-header h1) (gnus-thread-header h2)))
3639 (defsubst gnus-article-sort-by-subject (h1 h2)
3640 "Sort articles by root subject."
3642 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
3643 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
3645 (defun gnus-thread-sort-by-subject (h1 h2)
3646 "Sort threads by root subject."
3647 (gnus-article-sort-by-subject
3648 (gnus-thread-header h1) (gnus-thread-header h2)))
3650 (defsubst gnus-article-sort-by-date (h1 h2)
3651 "Sort articles by root article date."
3653 (gnus-date-get-time (mail-header-date h1))
3654 (gnus-date-get-time (mail-header-date h2))))
3656 (defun gnus-thread-sort-by-date (h1 h2)
3657 "Sort threads by root article date."
3658 (gnus-article-sort-by-date
3659 (gnus-thread-header h1) (gnus-thread-header h2)))
3661 (defsubst gnus-article-sort-by-score (h1 h2)
3662 "Sort articles by root article score.
3663 Unscored articles will be counted as having a score of zero."
3664 (> (or (cdr (assq (mail-header-number h1)
3665 gnus-newsgroup-scored))
3666 gnus-summary-default-score 0)
3667 (or (cdr (assq (mail-header-number h2)
3668 gnus-newsgroup-scored))
3669 gnus-summary-default-score 0)))
3671 (defun gnus-thread-sort-by-score (h1 h2)
3672 "Sort threads by root article score."
3673 (gnus-article-sort-by-score
3674 (gnus-thread-header h1) (gnus-thread-header h2)))
3676 (defun gnus-thread-sort-by-total-score (h1 h2)
3677 "Sort threads by the sum of all scores in the thread.
3678 Unscored articles will be counted as having a score of zero."
3679 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
3681 (defun gnus-thread-total-score (thread)
3682 ;; This function find the total score of THREAD.
3683 (cond ((null thread)
3686 (if (stringp (car thread))
3687 (apply gnus-thread-score-function 0
3688 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
3689 (gnus-thread-total-score-1 thread)))
3691 (gnus-thread-total-score-1 (list thread)))))
3693 (defun gnus-thread-total-score-1 (root)
3694 ;; This function find the total score of the thread below ROOT.
3695 (setq root (car root))
3696 (apply gnus-thread-score-function
3698 (mapcar 'gnus-thread-total-score
3699 (cdr (gnus-id-to-thread (mail-header-id root))))
3700 (when (> (mail-header-number root) 0)
3701 (list (or (cdr (assq (mail-header-number root)
3702 gnus-newsgroup-scored))
3703 gnus-summary-default-score 0))))
3704 (list gnus-summary-default-score)
3707 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
3708 (defvar gnus-tmp-prev-subject nil)
3709 (defvar gnus-tmp-false-parent nil)
3710 (defvar gnus-tmp-root-expunged nil)
3711 (defvar gnus-tmp-dummy-line nil)
3713 (defvar gnus-tmp-header)
3714 (defun gnus-extra-header (type &optional header)
3715 "Return the extra header of TYPE."
3716 (or (cdr (assq type (mail-header-extra (or header gnus-tmp-header))))
3719 (defun gnus-summary-prepare-threads (threads)
3720 "Prepare summary buffer from THREADS and indentation LEVEL.
3721 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
3722 or a straight list of headers."
3723 (gnus-message 7 "Generating summary...")
3725 (setq gnus-newsgroup-threads threads)
3728 (let ((gnus-tmp-level 0)
3729 (default-score (or gnus-summary-default-score 0))
3730 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
3731 thread number subject stack state gnus-tmp-gathered beg-match
3732 new-roots gnus-tmp-new-adopts thread-end
3733 gnus-tmp-header gnus-tmp-unread
3734 gnus-tmp-replied gnus-tmp-subject-or-nil
3735 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
3736 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
3737 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket)
3739 (setq gnus-tmp-prev-subject nil)
3741 (if (vectorp (car threads))
3742 ;; If this is a straight (sic) list of headers, then a
3743 ;; threaded summary display isn't required, so we just create
3744 ;; an unthreaded one.
3745 (gnus-summary-prepare-unthreaded threads)
3747 ;; Do the threaded display.
3749 (while (or threads stack gnus-tmp-new-adopts new-roots)
3751 (if (and (= gnus-tmp-level 0)
3754 (not gnus-tmp-false-parent)
3755 (or gnus-tmp-new-adopts new-roots))
3756 (if gnus-tmp-new-adopts
3757 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
3758 thread (list (car gnus-tmp-new-adopts))
3759 gnus-tmp-header (caar thread)
3760 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
3762 (setq thread (list (car new-roots))
3763 gnus-tmp-header (caar thread)
3764 new-roots (cdr new-roots))))
3767 ;; If there are some threads, we do them before the
3768 ;; threads on the stack.
3769 (setq thread threads
3770 gnus-tmp-header (caar thread))
3771 ;; There were no current threads, so we pop something off
3773 (setq state (car stack)
3774 gnus-tmp-level (car state)
3777 gnus-tmp-header (caar thread))))
3779 (setq gnus-tmp-false-parent nil)
3780 (setq gnus-tmp-root-expunged nil)
3781 (setq thread-end nil)
3783 (if (stringp gnus-tmp-header)
3784 ;; The header is a dummy root.
3786 ((eq gnus-summary-make-false-root 'adopt)
3787 ;; We let the first article adopt the rest.
3788 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
3790 (setq gnus-tmp-gathered
3792 (lambda (h) (mail-header-number (car h)))
3795 (setq thread (cons (list (caar thread)
3798 (setq gnus-tmp-level -1
3799 gnus-tmp-false-parent t))
3800 ((eq gnus-summary-make-false-root 'empty)
3801 ;; We print adopted articles with empty subject fields.
3802 (setq gnus-tmp-gathered
3804 (lambda (h) (mail-header-number (car h)))
3807 (setq gnus-tmp-level -1))
3808 ((eq gnus-summary-make-false-root 'dummy)
3809 ;; We remember that we probably want to output a dummy
3811 (setq gnus-tmp-dummy-line gnus-tmp-header)
3812 (setq gnus-tmp-prev-subject gnus-tmp-header))
3814 ;; We do not make a root for the gathered
3815 ;; sub-threads at all.
3816 (setq gnus-tmp-level -1)))
3818 (setq number (mail-header-number gnus-tmp-header)
3819 subject (mail-header-subject gnus-tmp-header))
3822 ;; If the thread has changed subject, we might want to make
3823 ;; this subthread into a root.
3824 ((and (null gnus-thread-ignore-subject)
3825 (not (zerop gnus-tmp-level))
3826 gnus-tmp-prev-subject
3828 (gnus-subject-equal gnus-tmp-prev-subject subject))))
3829 (setq new-roots (nconc new-roots (list (car thread)))
3831 gnus-tmp-header nil))
3832 ;; If the article lies outside the current limit,
3833 ;; then we do not display it.
3834 ((not (memq number gnus-newsgroup-limit))
3835 (setq gnus-tmp-gathered
3837 (lambda (h) (mail-header-number (car h)))
3840 (setq gnus-tmp-new-adopts (if (cdar thread)
3841 (append gnus-tmp-new-adopts
3843 gnus-tmp-new-adopts)
3845 gnus-tmp-header nil)
3846 (when (zerop gnus-tmp-level)
3847 (setq gnus-tmp-root-expunged t)))
3848 ;; Perhaps this article is to be marked as read?
3849 ((and gnus-summary-mark-below
3850 (< (or (cdr (assq number gnus-newsgroup-scored))
3852 gnus-summary-mark-below)
3853 ;; Don't touch sparse articles.
3854 (not (gnus-summary-article-sparse-p number))
3855 (not (gnus-summary-article-ancient-p number)))
3856 (setq gnus-newsgroup-unreads
3857 (delq number gnus-newsgroup-unreads))
3858 (if gnus-newsgroup-auto-expire
3859 (push number gnus-newsgroup-expirable)
3860 (push (cons number gnus-low-score-mark)
3861 gnus-newsgroup-reads))))
3863 (when gnus-tmp-header
3864 ;; We may have an old dummy line to output before this
3866 (when (and gnus-tmp-dummy-line
3869 (mail-header-subject gnus-tmp-header)))
3870 (gnus-summary-insert-dummy-line
3871 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
3872 (setq gnus-tmp-dummy-line nil))
3874 ;; Compute the mark.
3875 (setq gnus-tmp-unread (gnus-article-mark number))
3877 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
3878 gnus-tmp-header gnus-tmp-level)
3879 gnus-newsgroup-data)
3881 ;; Actually insert the line.
3883 gnus-tmp-subject-or-nil
3885 ((and gnus-thread-ignore-subject
3886 gnus-tmp-prev-subject
3887 (not (inline (gnus-subject-equal
3888 gnus-tmp-prev-subject subject))))
3890 ((zerop gnus-tmp-level)
3891 (if (and (eq gnus-summary-make-false-root 'empty)
3892 (memq number gnus-tmp-gathered)
3893 gnus-tmp-prev-subject
3894 (inline (gnus-subject-equal
3895 gnus-tmp-prev-subject subject)))
3896 gnus-summary-same-subject
3898 (t gnus-summary-same-subject)))
3899 (if (and (eq gnus-summary-make-false-root 'adopt)
3900 (= gnus-tmp-level 1)
3901 (memq number gnus-tmp-gathered))
3902 (setq gnus-tmp-opening-bracket ?\<
3903 gnus-tmp-closing-bracket ?\>)
3904 (setq gnus-tmp-opening-bracket ?\[
3905 gnus-tmp-closing-bracket ?\]))
3907 gnus-tmp-indentation
3908 (aref gnus-thread-indent-array gnus-tmp-level)
3909 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
3910 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
3911 gnus-summary-default-score 0)
3913 (if (or (null gnus-summary-default-score)
3914 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3915 gnus-summary-zcore-fuzz))
3917 (if (< gnus-tmp-score gnus-summary-default-score)
3918 gnus-score-below-mark gnus-score-over-mark))
3920 (cond ((memq number gnus-newsgroup-processable)
3922 ((memq number gnus-newsgroup-cached)
3924 ((memq number gnus-newsgroup-replied)
3926 ((memq number gnus-newsgroup-saved)
3928 (t gnus-unread-mark))
3929 gnus-tmp-from (mail-header-from gnus-tmp-header)
3932 ((string-match "<[^>]+> *$" gnus-tmp-from)
3933 (setq beg-match (match-beginning 0))
3934 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
3935 (substring gnus-tmp-from (1+ (match-beginning 0))
3936 (1- (match-end 0))))
3937 (substring gnus-tmp-from 0 beg-match)))
3938 ((string-match "(.+)" gnus-tmp-from)
3939 (substring gnus-tmp-from
3940 (1+ (match-beginning 0)) (1- (match-end 0))))
3942 (when (string= gnus-tmp-name "")
3943 (setq gnus-tmp-name gnus-tmp-from))
3944 (unless (numberp gnus-tmp-lines)
3945 (setq gnus-tmp-lines 0))
3946 (gnus-put-text-property
3948 (progn (eval gnus-summary-line-format-spec) (point))
3949 'gnus-number number)
3952 (gnus-run-hooks 'gnus-summary-update-hook)
3955 (setq gnus-tmp-prev-subject subject)))
3957 (when (nth 1 thread)
3958 (push (cons (max 0 gnus-tmp-level) (nthcdr 1 thread)) stack))
3959 (incf gnus-tmp-level)
3960 (setq threads (if thread-end nil (cdar thread)))
3962 (setq gnus-tmp-level 0)))))
3963 (gnus-message 7 "Generating summary...done"))
3965 (defun gnus-summary-prepare-unthreaded (headers)
3966 "Generate an unthreaded summary buffer based on HEADERS."
3967 (let (header number mark)
3972 ;; We may have to root out some bad articles...
3973 (when (memq (setq number (mail-header-number
3974 (setq header (pop headers))))
3975 gnus-newsgroup-limit)
3976 ;; Mark article as read when it has a low score.
3977 (when (and gnus-summary-mark-below
3978 (< (or (cdr (assq number gnus-newsgroup-scored))
3979 gnus-summary-default-score 0)
3980 gnus-summary-mark-below)
3981 (not (gnus-summary-article-ancient-p number)))
3982 (setq gnus-newsgroup-unreads
3983 (delq number gnus-newsgroup-unreads))
3984 (if gnus-newsgroup-auto-expire
3985 (push number gnus-newsgroup-expirable)
3986 (push (cons number gnus-low-score-mark)
3987 gnus-newsgroup-reads)))
3989 (setq mark (gnus-article-mark number))
3990 (push (gnus-data-make number mark (1+ (point)) header 0)
3991 gnus-newsgroup-data)
3992 (gnus-summary-insert-line
3994 mark (memq number gnus-newsgroup-replied)
3995 (memq number gnus-newsgroup-expirable)
3996 (mail-header-subject header) nil
3997 (cdr (assq number gnus-newsgroup-scored))
3998 (memq number gnus-newsgroup-processable))))))
4000 (defun gnus-select-newsgroup (group &optional read-all select-articles)
4001 "Select newsgroup GROUP.
4002 If READ-ALL is non-nil, all articles in the group are selected.
4003 If SELECT-ARTICLES, only select those articles from GROUP."
4004 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4005 ;;!!! Dirty hack; should be removed.
4006 (gnus-summary-ignore-duplicates
4007 (if (eq (car (gnus-find-method-for-group group)) 'nnvirtual)
4009 gnus-summary-ignore-duplicates))
4010 (info (nth 2 entry))
4011 articles fetched-articles cached)
4013 (unless (gnus-check-server
4014 (setq gnus-current-select-method
4015 (gnus-find-method-for-group group)))
4016 (error "Couldn't open server"))
4018 (or (and entry (not (eq (car entry) t))) ; Either it's active...
4019 (gnus-activate-group group) ; Or we can activate it...
4020 (progn ; Or we bug out.
4021 (when (equal major-mode 'gnus-summary-mode)
4022 (kill-buffer (current-buffer)))
4023 (error "Couldn't request group %s: %s"
4024 group (gnus-status-message group))))
4026 (unless (gnus-request-group group t)
4027 (when (equal major-mode 'gnus-summary-mode)
4028 (kill-buffer (current-buffer)))
4029 (error "Couldn't request group %s: %s"
4030 group (gnus-status-message group)))
4032 (setq gnus-newsgroup-name group)
4033 (setq gnus-newsgroup-unselected nil)
4034 (setq gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
4035 (gnus-summary-setup-default-charset)
4037 ;; Adjust and set lists of article marks.
4039 (gnus-adjust-marked-articles info))
4041 ;; Kludge to avoid having cached articles nixed out in virtual groups.
4042 (when (gnus-virtual-group-p group)
4043 (setq cached gnus-newsgroup-cached))
4045 (setq gnus-newsgroup-unreads
4046 (gnus-set-difference
4047 (gnus-set-difference gnus-newsgroup-unreads gnus-newsgroup-marked)
4048 gnus-newsgroup-dormant))
4050 (setq gnus-newsgroup-processable nil)
4052 (gnus-update-read-articles group gnus-newsgroup-unreads)
4054 (if (setq articles select-articles)
4055 (setq gnus-newsgroup-unselected
4056 (gnus-sorted-intersection
4057 gnus-newsgroup-unreads
4058 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
4059 (setq articles (gnus-articles-to-read group read-all)))
4063 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
4065 ((eq articles 0) nil)
4067 ;; Init the dependencies hash table.
4068 (setq gnus-newsgroup-dependencies
4069 (gnus-make-hashtable (length articles)))
4070 (gnus-set-global-variables)
4071 ;; Retrieve the headers and read them in.
4072 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
4073 (setq gnus-newsgroup-headers
4075 (setq gnus-headers-retrieved-by
4076 (gnus-retrieve-headers
4077 articles gnus-newsgroup-name
4078 ;; We might want to fetch old headers, but
4079 ;; not if there is only 1 article.
4081 (not (eq gnus-fetch-old-headers 'some))
4082 (not (numberp gnus-fetch-old-headers)))
4083 (> (length articles) 1))
4084 gnus-fetch-old-headers))))
4085 (gnus-get-newsgroup-headers-xover
4086 articles nil nil gnus-newsgroup-name t)
4087 (gnus-get-newsgroup-headers)))
4088 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name)
4090 ;; Kludge to avoid having cached articles nixed out in virtual groups.
4092 (setq gnus-newsgroup-cached cached))
4094 ;; Suppress duplicates?
4095 (when gnus-suppress-duplicates
4096 (gnus-dup-suppress-articles))
4098 ;; Set the initial limit.
4099 (setq gnus-newsgroup-limit (copy-sequence articles))
4100 ;; Remove canceled articles from the list of unread articles.
4101 (setq gnus-newsgroup-unreads
4102 (gnus-set-sorted-intersection
4103 gnus-newsgroup-unreads
4104 (setq fetched-articles
4105 (mapcar (lambda (headers) (mail-header-number headers))
4106 gnus-newsgroup-headers))))
4107 ;; Removed marked articles that do not exist.
4108 (gnus-update-missing-marks
4109 (gnus-sorted-complement fetched-articles articles))
4110 ;; We might want to build some more threads first.
4111 (when (and gnus-fetch-old-headers
4112 (eq gnus-headers-retrieved-by 'nov))
4113 (if (eq gnus-fetch-old-headers 'invisible)
4114 (gnus-build-all-threads)
4115 (gnus-build-old-threads)))
4116 ;; Let the Gnus agent mark articles as read.
4118 (gnus-agent-get-undownloaded-list))
4119 ;; Check whether auto-expire is to be done in this group.
4120 (setq gnus-newsgroup-auto-expire
4121 (gnus-group-auto-expirable-p group))
4122 ;; Set up the article buffer now, if necessary.
4123 (unless gnus-single-article-buffer
4124 (gnus-article-setup-buffer))
4125 ;; First and last article in this newsgroup.
4126 (when gnus-newsgroup-headers
4127 (setq gnus-newsgroup-begin
4128 (mail-header-number (car gnus-newsgroup-headers))
4131 (gnus-last-element gnus-newsgroup-headers))))
4132 ;; GROUP is successfully selected.
4133 (or gnus-newsgroup-headers t)))))
4135 (defun gnus-articles-to-read (group &optional read-all)
4136 ;; Find out what articles the user wants to read.
4138 ;; Select all articles if `read-all' is non-nil, or if there
4139 ;; are no unread articles.
4141 (and (zerop (length gnus-newsgroup-marked))
4142 (zerop (length gnus-newsgroup-unreads)))
4143 (eq (gnus-group-find-parameter group 'display)
4145 (gnus-uncompress-range (gnus-active group))
4146 (sort (append gnus-newsgroup-dormant gnus-newsgroup-marked
4147 (copy-sequence gnus-newsgroup-unreads))
4149 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
4150 (scored (length scored-list))
4151 (number (length articles))
4152 (marked (+ (length gnus-newsgroup-marked)
4153 (length gnus-newsgroup-dormant)))
4161 ((and (or (<= scored marked) (= scored number))
4162 (numberp gnus-large-newsgroup)
4163 (> number gnus-large-newsgroup))
4167 "How many articles from %s (default %d): "
4168 (gnus-limit-string gnus-newsgroup-name 35)
4170 (if (string-match "^[ \t]*$" input) number input)))
4171 ((and (> scored marked) (< scored number)
4172 (> (- scored number) 20))
4175 (format "%s %s (%d scored, %d total): "
4176 "How many articles from"
4177 group scored number))))
4178 (if (string-match "^[ \t]*$" input)
4182 (setq select (if (stringp select) (string-to-number select) select))
4183 (if (or (null select) (zerop select))
4185 (if (and (not (zerop scored)) (<= (abs select) scored))
4187 (setq articles (sort scored-list '<))
4188 (setq number (length articles)))
4189 (setq articles (copy-sequence articles)))
4191 (when (< (abs select) number)
4193 ;; Select the N oldest articles.
4194 (setcdr (nthcdr (1- (abs select)) articles) nil)
4195 ;; Select the N most recent articles.
4196 (setq articles (nthcdr (- number select) articles))))
4197 (setq gnus-newsgroup-unselected
4198 (gnus-sorted-intersection
4199 gnus-newsgroup-unreads
4200 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
4203 (defun gnus-killed-articles (killed articles)
4206 (when (inline (gnus-member-of-range (car articles) killed))
4207 (push (car articles) out))
4208 (setq articles (cdr articles)))
4211 (defun gnus-uncompress-marks (marks)
4212 "Uncompress the mark ranges in MARKS."
4213 (let ((uncompressed '(score bookmark))
4216 (if (memq (caar marks) uncompressed)
4217 (push (car marks) out)
4218 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
4219 (setq marks (cdr marks)))
4222 (defun gnus-adjust-marked-articles (info)
4223 "Set all article lists and remove all marks that are no longer valid."
4224 (let* ((marked-lists (gnus-info-marks info))
4225 (active (gnus-active (gnus-info-group info)))
4228 (types gnus-article-mark-lists)
4229 (uncompressed '(score bookmark killed))
4230 marks var articles article mark)
4233 (setq marks (pop marked-lists))
4234 (set (setq var (intern (format "gnus-newsgroup-%s"
4235 (car (rassq (setq mark (car marks))
4237 (if (memq (car marks) uncompressed) (cdr marks)
4238 (gnus-uncompress-range (cdr marks))))
4240 (setq articles (symbol-value var))
4242 ;; All articles have to be subsets of the active articles.
4244 ;; Adjust "simple" lists.
4245 ((memq mark '(tick dormant expire reply save))
4247 (when (or (< (setq article (pop articles)) min) (> article max))
4248 (set var (delq article (symbol-value var))))))
4250 ((memq mark uncompressed)
4251 (when (not (listp (cdr (symbol-value var))))
4252 (set var (list (symbol-value var))))
4253 (when (not (listp (cdr articles)))
4254 (setq articles (list articles)))
4256 (when (or (not (consp (setq article (pop articles))))
4257 (< (car article) min)
4258 (> (car article) max))
4259 (set var (delq article (symbol-value var))))))))))
4261 (defun gnus-update-missing-marks (missing)
4262 "Go through the list of MISSING articles and remove them from the mark lists."
4264 (let ((types gnus-article-mark-lists)
4266 ;; Go through all types.
4268 (setq var (intern (format "gnus-newsgroup-%s" (car (pop types)))))
4269 (when (symbol-value var)
4270 ;; This list has articles. So we delete all missing articles
4274 (set var (delq (pop m) (symbol-value var)))))))))
4276 (defun gnus-update-marks ()
4277 "Enter the various lists of marked articles into the newsgroup info list."
4278 (let ((types gnus-article-mark-lists)
4279 (info (gnus-get-info gnus-newsgroup-name))
4280 (uncompressed '(score bookmark killed))
4281 type list newmarked symbol delta-marks)
4283 ;; Add all marks lists to the list of marks lists.
4284 (while (setq type (pop types))
4285 (setq list (symbol-value
4287 (intern (format "gnus-newsgroup-%s"
4291 ;; Get rid of the entries of the articles that have the
4293 (when (and (eq (cdr type) 'score)
4297 (prev (cons nil list))
4300 (if (or (not (consp (car arts)))
4301 (= (cdar arts) gnus-summary-default-score))
4302 (setcdr prev (cdr arts))
4304 (setq arts (cdr arts)))
4305 (setq list (cdr all)))))
4307 (or (memq (cdr type) uncompressed)
4308 (setq list (gnus-compress-sequence (set symbol (sort list '<)) t)))
4310 (when (gnus-check-backend-function 'request-set-mark
4311 gnus-newsgroup-name)
4312 ;; uncompressed:s are not proper flags (they are cons cells)
4313 ;; cache is a internal gnus flag
4314 (unless (memq (cdr type) (cons 'cache uncompressed))
4315 (let* ((old (cdr (assq (cdr type) (gnus-info-marks info))))
4316 (del (gnus-remove-from-range (gnus-copy-sequence old) list))
4317 (add (gnus-remove-from-range (gnus-copy-sequence list) old)))
4319 (push (list add 'add (list (cdr type))) delta-marks))
4321 (push (list del 'del (list (cdr type))) delta-marks)))))
4324 (push (cons (cdr type) list) newmarked)))
4327 (unless (gnus-check-group gnus-newsgroup-name)
4328 (error "Can't open server for %s" gnus-newsgroup-name))
4329 (gnus-request-set-mark gnus-newsgroup-name delta-marks))
4331 ;; Enter these new marks into the info of the group.
4333 (setcar (nthcdr 3 info) newmarked)
4334 ;; Add the marks lists to the end of the info.
4336 (setcdr (nthcdr 2 info) (list newmarked))))
4338 ;; Cut off the end of the info if there's nothing else there.
4342 (when (nthcdr (decf i) info)
4343 (setcdr (nthcdr i info) nil)))))))
4345 (defun gnus-set-mode-line (where)
4346 "This function sets the mode line of the article or summary buffers.
4347 If WHERE is `summary', the summary mode line format will be used."
4348 ;; Is this mode line one we keep updated?
4349 (when (and (memq where gnus-updated-mode-lines)
4351 (intern (format "gnus-%s-mode-line-format-spec" where))))
4354 ;; We evaluate this in the summary buffer since these
4355 ;; variables are buffer-local to that buffer.
4356 (set-buffer gnus-summary-buffer)
4357 ;; We bind all these variables that are used in the `eval' form
4359 (let* ((mformat (symbol-value
4361 (format "gnus-%s-mode-line-format-spec" where))))
4362 (gnus-tmp-group-name gnus-newsgroup-name)
4363 (gnus-tmp-article-number (or gnus-current-article 0))
4364 (gnus-tmp-unread gnus-newsgroup-unreads)
4365 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
4366 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
4367 (gnus-tmp-unread-and-unselected
4368 (cond ((and (zerop gnus-tmp-unread-and-unticked)
4369 (zerop gnus-tmp-unselected))
4371 ((zerop gnus-tmp-unselected)
4372 (format "{%d more}" gnus-tmp-unread-and-unticked))
4373 (t (format "{%d(+%d) more}"
4374 gnus-tmp-unread-and-unticked
4375 gnus-tmp-unselected))))
4377 (if (and gnus-current-headers
4378 (vectorp gnus-current-headers))
4379 (gnus-mode-string-quote
4380 (mail-header-subject gnus-current-headers))
4382 bufname-length max-len
4383 gnus-tmp-header);; passed as argument to any user-format-funcs
4384 (setq mode-string (eval mformat))
4385 (setq bufname-length (if (string-match "%b" mode-string)
4388 (if (eq where 'summary)
4390 (get-buffer gnus-article-buffer))))
4393 (setq max-len (max 4 (if gnus-mode-non-string-length
4395 gnus-mode-non-string-length
4397 (length mode-string))))
4398 ;; We might have to chop a bit of the string off...
4399 (when (> (length mode-string) max-len)
4401 (concat (truncate-string-to-width mode-string (- max-len 3))
4403 ;; Pad the mode string a bit.
4404 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
4405 ;; Update the mode line.
4406 (setq mode-line-buffer-identification
4407 (gnus-mode-line-buffer-identification (list mode-string)))
4408 (set-buffer-modified-p t))))
4410 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
4411 "Go through the HEADERS list and add all Xrefs to a hash table.
4412 The resulting hash table is returned, or nil if no Xrefs were found."
4413 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
4414 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
4415 (xref-hashtb (gnus-make-hashtable))
4416 start group entry number xrefs header)
4418 (setq header (pop headers))
4419 (when (and (setq xrefs (mail-header-xref header))
4420 (not (memq (setq number (mail-header-number header))
4423 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
4424 (setq start (match-end 0))
4425 (setq group (if prefix
4426 (concat prefix (substring xrefs (match-beginning 1)
4428 (substring xrefs (match-beginning 1) (match-end 1))))
4430 (string-to-int (substring xrefs (match-beginning 2)
4432 (if (setq entry (gnus-gethash group xref-hashtb))
4433 (setcdr entry (cons number (cdr entry)))
4434 (gnus-sethash group (cons number nil) xref-hashtb)))))
4435 (and start xref-hashtb)))
4437 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
4438 "Look through all the headers and mark the Xrefs as read."
4439 (let ((virtual (gnus-virtual-group-p from-newsgroup))
4440 name entry info xref-hashtb idlist method nth4)
4442 (set-buffer gnus-group-buffer)
4443 (when (setq xref-hashtb
4444 (gnus-create-xref-hashtb from-newsgroup headers unreads))
4447 (unless (string= from-newsgroup (setq name (symbol-name group)))
4448 (setq idlist (symbol-value group))
4449 ;; Dead groups are not updated.
4451 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
4453 (when (stringp (setq nth4 (gnus-info-method info)))
4454 (setq nth4 (gnus-server-to-method nth4))))
4455 ;; Only do the xrefs if the group has the same
4456 ;; select method as the group we have just read.
4457 (or (gnus-methods-equal-p
4458 nth4 (gnus-find-method-for-group from-newsgroup))
4460 (equal nth4 (setq method (gnus-find-method-for-group
4462 (and (equal (car nth4) (car method))
4463 (equal (nth 1 nth4) (nth 1 method))))
4464 gnus-use-cross-reference
4465 (or (not (eq gnus-use-cross-reference t))
4467 ;; Only do cross-references on subscribed
4468 ;; groups, if that is what is wanted.
4469 (<= (gnus-info-level info) gnus-level-subscribed))
4470 (gnus-group-make-articles-read name idlist))))
4473 (defun gnus-compute-read-articles (group articles)
4474 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
4475 (info (nth 2 entry))
4476 (active (gnus-active group))
4479 ;; First peel off all invalid article numbers.
4481 (let ((ids articles)
4483 (while (setq id (pop ids))
4484 (when (and first (> id (cdr active)))
4485 ;; We'll end up in this situation in one particular
4486 ;; obscure situation. If you re-scan a group and get
4487 ;; a new article that is cross-posted to a different
4488 ;; group that has not been re-scanned, you might get
4489 ;; crossposted article that has a higher number than
4490 ;; Gnus believes possible. So we re-activate this
4491 ;; group as well. This might mean doing the
4492 ;; crossposting thingy will *increase* the number
4493 ;; of articles in some groups. Tsk, tsk.
4494 (setq active (or (gnus-activate-group group) active)))
4495 (when (or (> id (cdr active))
4496 (< id (car active)))
4497 (setq articles (delq id articles))))))
4498 ;; If the read list is nil, we init it.
4500 (null (gnus-info-read info))
4502 (setq ninfo (cons 1 (1- (car active))))
4503 (setq ninfo (gnus-info-read info)))
4504 ;; Then we add the read articles to the range.
4506 ninfo (setq articles (sort articles '<))))))
4508 (defun gnus-group-make-articles-read (group articles)
4509 "Update the info of GROUP to say that ARTICLES are read."
4511 (entry (gnus-gethash group gnus-newsrc-hashtb))
4512 (info (nth 2 entry))
4513 (active (gnus-active group))
4516 (setq range (gnus-compute-read-articles group articles))
4518 (set-buffer gnus-group-buffer)
4521 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
4522 (gnus-info-set-read ',info ',(gnus-info-read info))
4523 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
4524 (gnus-group-update-group ,group t))))
4525 ;; Add the read articles to the range.
4526 (gnus-info-set-read info range)
4527 ;; Then we have to re-compute how many unread
4528 ;; articles there are in this group.
4532 (setq num (- (1+ (cdr active)) (car active))))
4533 ((not (listp (cdr range)))
4534 (setq num (- (cdr active) (- (1+ (cdr range))
4538 (if (numberp (car range))
4540 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
4541 (setq range (cdr range)))
4542 (setq num (- (cdr active) num))))
4543 ;; Update the number of unread articles.
4545 ;; Update the group buffer.
4546 (gnus-group-update-group group t)))))
4548 (defvar gnus-newsgroup-none-id 0)
4550 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
4551 (let ((cur nntp-server-buffer)
4554 (save-excursion (set-buffer gnus-summary-buffer)
4555 gnus-newsgroup-dependencies)))
4557 (mail-parse-charset gnus-newsgroup-charset))
4559 (set-buffer nntp-server-buffer)
4560 ;; Translate all TAB characters into SPACE characters.
4561 (subst-char-in-region (point-min) (point-max) ?\t ? t)
4562 (subst-char-in-region (point-min) (point-max) ?\r ? t)
4563 (gnus-run-hooks 'gnus-parse-headers-hook)
4564 (let ((case-fold-search t)
4565 in-reply-to header p lines chars)
4566 (goto-char (point-min))
4567 ;; Search to the beginning of the next header. Error messages
4568 ;; do not begin with 2 or 3.
4569 (while (re-search-forward "^[23][0-9]+ " nil t)
4572 ;; This implementation of this function, with nine
4573 ;; search-forwards instead of the one re-search-forward and
4574 ;; a case (which basically was the old function) is actually
4575 ;; about twice as fast, even though it looks messier. You
4576 ;; can't have everything, I guess. Speed and elegance
4577 ;; doesn't always go hand in hand.
4586 (narrow-to-region (point)
4587 (or (and (search-forward "\n.\n" nil t)
4593 (if (search-forward "\nsubject: " nil t)
4594 (funcall gnus-decode-encoded-word-function
4595 (nnheader-header-value))
4600 (if (search-forward "\nfrom: " nil t)
4601 (funcall gnus-decode-encoded-word-function
4602 (nnheader-header-value))
4607 (if (search-forward "\ndate: " nil t)
4608 (nnheader-header-value) ""))
4612 (setq id (if (re-search-forward
4613 "^message-id: *\\(<[^\n\t> ]+>\\)" nil t)
4614 ;; We do it this way to make sure the Message-ID
4615 ;; is (somewhat) syntactically valid.
4616 (buffer-substring (match-beginning 1)
4618 ;; If there was no message-id, we just fake one
4619 ;; to make subsequent routines simpler.
4620 (nnheader-generate-fake-message-id))))
4624 (if (search-forward "\nreferences: " nil t)
4628 (nnheader-header-value)
4633 (search-backward ">" end t)
4636 (search-backward "<" end t)
4638 ;; Get the references from the in-reply-to header if there
4639 ;; were no references and the in-reply-to header looks
4641 (if (and (search-forward "\nin-reply-to: " nil t)
4642 (setq in-reply-to (nnheader-header-value))
4643 (string-match "<[^>]+>" in-reply-to))
4645 (setq ref (substring in-reply-to (match-beginning 0)
4647 (while (string-match "<[^>]+>" in-reply-to (match-end 0))
4648 (setq ref2 (substring in-reply-to (match-beginning 0)
4650 (when (> (length ref2) (length ref))
4657 (if (search-forward "\nchars: " nil t)
4658 (if (numberp (setq chars (ignore-errors (read cur))))
4664 (if (search-forward "\nlines: " nil t)
4665 (if (numberp (setq lines (ignore-errors (read cur))))
4671 (and (search-forward "\nxref: " nil t)
4672 (nnheader-header-value)))
4674 (when gnus-extra-headers
4675 (let ((extra gnus-extra-headers)
4679 (when (search-forward
4680 (concat "\n" (symbol-name (car extra)) ": ") nil t)
4681 (push (cons (car extra) (nnheader-header-value))
4685 (when (equal id ref)
4688 (when gnus-alter-header-function
4689 (funcall gnus-alter-header-function header)
4690 (setq id (mail-header-id header)
4691 ref (gnus-parent-id (mail-header-references header))))
4694 (gnus-dependencies-add-header
4695 header dependencies force-new))
4696 (push header headers))
4697 (goto-char (point-max))
4699 (nreverse headers)))))
4701 ;; Goes through the xover lines and returns a list of vectors
4702 (defun gnus-get-newsgroup-headers-xover (sequence &optional
4703 force-new dependencies
4704 group also-fetch-heads)
4705 "Parse the news overview data in the server buffer, and return a
4706 list of headers that match SEQUENCE (see `nntp-retrieve-headers')."
4707 ;; Get the Xref when the users reads the articles since most/some
4708 ;; NNTP servers do not include Xrefs when using XOVER.
4709 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
4710 (let ((mail-parse-charset gnus-newsgroup-charset)
4711 (cur nntp-server-buffer)
4712 (dependencies (or dependencies gnus-newsgroup-dependencies))
4713 number headers header)
4715 (set-buffer nntp-server-buffer)
4716 (subst-char-in-region (point-min) (point-max) ?\r ? t)
4717 ;; Allow the user to mangle the headers before parsing them.
4718 (gnus-run-hooks 'gnus-parse-headers-hook)
4719 (goto-char (point-min))
4722 (while (and sequence (not (eobp)))
4723 (setq number (read cur))
4724 (while (and sequence
4725 (< (car sequence) number))
4726 (setq sequence (cdr sequence)))
4728 (eq number (car sequence))
4730 (setq sequence (cdr sequence))
4731 (setq header (inline
4732 (gnus-nov-parse-line
4733 number dependencies force-new))))
4734 (push header headers))
4737 (gnus-error 4 "Strange nov line (%d)"
4738 (count-lines (point-min) (point)))))
4740 ;; A common bug in inn is that if you have posted an article and
4741 ;; then retrieves the active file, it will answer correctly --
4742 ;; the new article is included. However, a NOV entry for the
4743 ;; article may not have been generated yet, so this may fail.
4744 ;; We work around this problem by retrieving the last few
4745 ;; headers using HEAD.
4746 (if (or (not also-fetch-heads)
4748 ;; We (probably) got all the headers.
4750 (let ((gnus-nov-is-evil t))
4753 (when (gnus-retrieve-headers sequence group)
4754 (gnus-get-newsgroup-headers))))))))
4756 (defun gnus-article-get-xrefs ()
4757 "Fill in the Xref value in `gnus-current-headers', if necessary.
4758 This is meant to be called in `gnus-article-internal-prepare-hook'."
4759 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
4760 gnus-current-headers)))
4761 (or (not gnus-use-cross-reference)
4763 (and (mail-header-xref headers)
4764 (not (string= (mail-header-xref headers) "")))
4765 (let ((case-fold-search t)
4768 (nnheader-narrow-to-headers)
4769 (goto-char (point-min))
4770 (when (or (and (eq (downcase (char-after)) ?x)
4771 (looking-at "Xref:"))
4772 (search-forward "\nXref:" nil t))
4773 (goto-char (1+ (match-end 0)))
4774 (setq xref (buffer-substring (point)
4775 (progn (end-of-line) (point))))
4776 (mail-header-set-xref headers xref)))))))
4778 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
4779 "Find article ID and insert the summary line for that article.
4780 OLD-HEADER can either be a header or a line number to insert
4781 the subject line on."
4782 (let* ((line (and (numberp old-header) old-header))
4783 (old-header (and (vectorp old-header) old-header))
4784 (header (cond ((and old-header use-old-header)
4787 (gnus-number-to-header id))
4788 (gnus-number-to-header id))
4790 (gnus-read-header id))))
4791 (number (and (numberp id) id))
4794 ;; Rebuild the thread that this article is part of and go to the
4795 ;; article we have fetched.
4796 (when (and (not gnus-show-threads)
4799 (setq d (gnus-data-find (mail-header-number old-header))))
4800 (goto-char (gnus-data-pos d))
4803 (- (gnus-point-at-bol)
4805 (1+ (gnus-point-at-eol))
4806 (gnus-delete-line))))))
4808 (mail-header-set-number header (mail-header-number old-header)))
4809 (setq gnus-newsgroup-sparse
4810 (delq (setq number (mail-header-number header))
4811 gnus-newsgroup-sparse))
4812 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
4813 (push number gnus-newsgroup-limit)
4814 (gnus-rebuild-thread (mail-header-id header) line)
4815 (gnus-summary-goto-subject number nil t))
4816 (when (and (numberp number)
4818 ;; We have to update the boundaries even if we can't fetch the
4819 ;; article if ID is a number -- so that the next `P' or `N'
4820 ;; command will fetch the previous (or next) article even
4821 ;; if the one we tried to fetch this time has been canceled.
4822 (when (> number gnus-newsgroup-end)
4823 (setq gnus-newsgroup-end number))
4824 (when (< number gnus-newsgroup-begin)
4825 (setq gnus-newsgroup-begin number))
4826 (setq gnus-newsgroup-unselected
4827 (delq number gnus-newsgroup-unselected)))
4828 ;; Report back a success?
4829 (and header (mail-header-number header))))
4831 ;;; Process/prefix in the summary buffer
4833 (defun gnus-summary-work-articles (n)
4834 "Return a list of articles to be worked upon.
4835 The prefix argument, the list of process marked articles, and the
4836 current article will be taken into consideration."
4838 (set-buffer gnus-summary-buffer)
4841 ;; A numerical prefix has been given.
4842 (setq n (prefix-numeric-value n))
4843 (let ((backward (< n 0))
4844 (n (abs (prefix-numeric-value n)))
4849 (push (setq article (gnus-summary-article-number))
4852 (gnus-summary-find-prev nil article)
4853 (gnus-summary-find-next nil article)))
4855 (nreverse articles)))
4856 ((and (gnus-region-active-p) (mark))
4857 (message "region active")
4858 ;; Work on the region between point and mark.
4859 (let ((max (max (point) (mark)))
4862 (goto-char (min (min (point) (mark))))
4865 (push (setq article (gnus-summary-article-number)) articles)
4866 (gnus-summary-find-next nil article)
4868 (nreverse articles))))
4869 (gnus-newsgroup-processable
4870 ;; There are process-marked articles present.
4871 ;; Save current state.
4872 (gnus-summary-save-process-mark)
4874 (reverse gnus-newsgroup-processable))
4876 ;; Just return the current article.
4877 (list (gnus-summary-article-number))))))
4879 (defmacro gnus-summary-iterate (arg &rest forms)
4880 "Iterate over the process/prefixed articles and do FORMS.
4881 ARG is the interactive prefix given to the command. FORMS will be
4882 executed with point over the summary line of the articles."
4883 (let ((articles (make-symbol "gnus-summary-iterate-articles")))
4884 `(let ((,articles (gnus-summary-work-articles ,arg)))
4886 (gnus-summary-goto-subject (car ,articles))
4890 (put 'gnus-summary-iterate 'lisp-indent-function 1)
4891 (put 'gnus-summary-iterate 'edebug-form-spec '(form body))
4893 (defun gnus-summary-save-process-mark ()
4894 "Push the current set of process marked articles on the stack."
4896 (push (copy-sequence gnus-newsgroup-processable)
4897 gnus-newsgroup-process-stack))
4899 (defun gnus-summary-kill-process-mark ()
4900 "Push the current set of process marked articles on the stack and unmark."
4902 (gnus-summary-save-process-mark)
4903 (gnus-summary-unmark-all-processable))
4905 (defun gnus-summary-yank-process-mark ()
4906 "Pop the last process mark state off the stack and restore it."
4908 (unless gnus-newsgroup-process-stack
4909 (error "Empty mark stack"))
4910 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
4912 (defun gnus-summary-process-mark-set (set)
4913 "Make SET into the current process marked articles."
4914 (gnus-summary-unmark-all-processable)
4916 (gnus-summary-set-process-mark (pop set))))
4918 ;;; Searching and stuff
4920 (defun gnus-summary-search-group (&optional backward use-level)
4921 "Search for next unread newsgroup.
4922 If optional argument BACKWARD is non-nil, search backward instead."
4924 (set-buffer gnus-group-buffer)
4925 (when (gnus-group-search-forward
4926 backward nil (if use-level (gnus-group-group-level) nil))
4927 (gnus-group-group-name))))
4929 (defun gnus-summary-best-group (&optional exclude-group)
4930 "Find the name of the best unread group.
4931 If EXCLUDE-GROUP, do not go to this group."
4933 (set-buffer gnus-group-buffer)
4935 (gnus-group-best-unread-group exclude-group))))
4937 (defun gnus-summary-find-next (&optional unread article backward undownloaded)
4938 (if backward (gnus-summary-find-prev)
4939 (let* ((dummy (gnus-summary-article-intangible-p))
4940 (article (or article (gnus-summary-article-number)))
4941 (arts (gnus-data-find-list article))
4943 (when (and (not dummy)
4944 (or (not gnus-summary-check-current)
4946 (not (gnus-data-unread-p (car arts)))))
4947 (setq arts (cdr arts)))
4952 (when (or (and undownloaded
4953 (eq gnus-undownloaded-mark
4954 (gnus-data-mark (car arts))))
4955 (gnus-data-unread-p (car arts)))
4956 (setq result (car arts)
4958 (setq arts (cdr arts)))
4961 (goto-char (gnus-data-pos result))
4962 (gnus-data-number result)))))
4964 (defun gnus-summary-find-prev (&optional unread article)
4965 (let* ((eobp (eobp))
4966 (article (or article (gnus-summary-article-number)))
4967 (arts (gnus-data-find-list article (gnus-data-list 'rev)))
4969 (when (and (not eobp)
4970 (or (not gnus-summary-check-current)
4972 (not (gnus-data-unread-p (car arts)))))
4973 (setq arts (cdr arts)))
4978 (when (gnus-data-unread-p (car arts))
4979 (setq result (car arts)
4981 (setq arts (cdr arts)))
4984 (goto-char (gnus-data-pos result))
4985 (gnus-data-number result))))
4987 (defun gnus-summary-find-subject (subject &optional unread backward article)
4988 (let* ((simp-subject (gnus-simplify-subject-fully subject))
4989 (article (or article (gnus-summary-article-number)))
4990 (articles (gnus-data-list backward))
4991 (arts (gnus-data-find-list article articles))
4993 (when (or (not gnus-summary-check-current)
4995 (not (gnus-data-unread-p (car arts))))
4996 (setq arts (cdr arts)))
4998 (and (or (not unread)
4999 (gnus-data-unread-p (car arts)))
5000 (vectorp (gnus-data-header (car arts)))
5002 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
5003 (setq result (car arts)
5005 (setq arts (cdr arts)))
5007 (goto-char (gnus-data-pos result))
5008 (gnus-data-number result))))
5010 (defun gnus-summary-search-forward (&optional unread subject backward)
5011 "Search forward for an article.
5012 If UNREAD, look for unread articles. If SUBJECT, look for
5013 articles with that subject. If BACKWARD, search backward instead."
5014 (cond (subject (gnus-summary-find-subject subject unread backward))
5015 (backward (gnus-summary-find-prev unread))
5016 (t (gnus-summary-find-next unread))))
5018 (defun gnus-recenter (&optional n)
5019 "Center point in window and redisplay frame.
5020 Also do horizontal recentering."
5022 (when (and gnus-auto-center-summary
5023 (not (eq gnus-auto-center-summary 'vertical)))
5024 (gnus-horizontal-recenter))
5027 (defun gnus-summary-recenter ()
5028 "Center point in the summary window.
5029 If `gnus-auto-center-summary' is nil, or the article buffer isn't
5030 displayed, no centering will be performed."
5031 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
5032 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
5033 (let* ((top (cond ((< (window-height) 4) 0)
5034 ((< (window-height) 7) 1)
5035 (t (if (numberp gnus-auto-center-summary)
5036 gnus-auto-center-summary
5038 (height (1- (window-height)))
5039 (bottom (save-excursion (goto-char (point-max))
5040 (forward-line (- height))
5042 (window (get-buffer-window (current-buffer))))
5043 ;; The user has to want it.
5044 (when gnus-auto-center-summary
5045 (when (get-buffer-window gnus-article-buffer)
5046 ;; Only do recentering when the article buffer is displayed,
5047 ;; Set the window start to either `bottom', which is the biggest
5048 ;; possible valid number, or the second line from the top,
5049 ;; whichever is the least.
5051 window (min bottom (save-excursion
5052 (forward-line (- top)) (point)))))
5053 ;; Do horizontal recentering while we're at it.
5054 (when (and (get-buffer-window (current-buffer) t)
5055 (not (eq gnus-auto-center-summary 'vertical)))
5056 (let ((selected (selected-window)))
5057 (select-window (get-buffer-window (current-buffer) t))
5058 (gnus-summary-position-point)
5059 (gnus-horizontal-recenter)
5060 (select-window selected))))))
5062 (defun gnus-summary-jump-to-group (newsgroup)
5063 "Move point to NEWSGROUP in group mode buffer."
5064 ;; Keep update point of group mode buffer if visible.
5065 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
5066 (save-window-excursion
5067 ;; Take care of tree window mode.
5068 (when (get-buffer-window gnus-group-buffer)
5069 (pop-to-buffer gnus-group-buffer))
5070 (gnus-group-jump-to-group newsgroup))
5072 ;; Take care of tree window mode.
5073 (if (get-buffer-window gnus-group-buffer)
5074 (pop-to-buffer gnus-group-buffer)
5075 (set-buffer gnus-group-buffer))
5076 (gnus-group-jump-to-group newsgroup))))
5078 ;; This function returns a list of article numbers based on the
5079 ;; difference between the ranges of read articles in this group and
5080 ;; the range of active articles.
5081 (defun gnus-list-of-unread-articles (group)
5082 (let* ((read (gnus-info-read (gnus-get-info group)))
5083 (active (or (gnus-active group) (gnus-activate-group group)))
5086 ;; If none are read, then all are unread.
5088 (setq first (car active))
5089 ;; If the range of read articles is a single range, then the
5090 ;; first unread article is the article after the last read
5091 ;; article. Sounds logical, doesn't it?
5092 (if (not (listp (cdr read)))
5093 (setq first (max (car active) (1+ (cdr read))))
5094 ;; `read' is a list of ranges.
5095 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
5098 (setq first (car active)))
5101 (while (< first nlast)
5103 (setq first (1+ first))))
5104 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
5105 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
5106 (setq read (cdr read)))))
5107 ;; And add the last unread articles.
5108 (while (<= first last)
5110 (setq first (1+ first)))
5111 ;; Return the list of unread articles.
5112 (delq 0 (nreverse unread))))
5114 (defun gnus-list-of-read-articles (group)
5115 "Return a list of unread, unticked and non-dormant articles."
5116 (let* ((info (gnus-get-info group))
5117 (marked (gnus-info-marks info))
5118 (active (gnus-active group)))
5120 (gnus-set-difference
5121 (gnus-sorted-complement
5122 (gnus-uncompress-range active)
5123 (gnus-list-of-unread-articles group))
5125 (gnus-uncompress-range (cdr (assq 'dormant marked)))
5126 (gnus-uncompress-range (cdr (assq 'tick marked))))))))
5128 ;; Various summary commands
5130 (defun gnus-summary-select-article-buffer ()
5131 "Reconfigure windows to show article buffer."
5133 (if (not (gnus-buffer-live-p gnus-article-buffer))
5134 (error "There is no article buffer for this summary buffer")
5135 (gnus-configure-windows 'article)
5136 (select-window (get-buffer-window gnus-article-buffer))))
5138 (defun gnus-summary-universal-argument (arg)
5139 "Perform any operation on all articles that are process/prefixed."
5141 (let ((articles (gnus-summary-work-articles arg))
5148 (substitute-command-keys
5149 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"
5152 (gnus-error 1 "Undefined key")
5155 (gnus-summary-goto-subject (setq article (pop articles)))
5156 (let (gnus-newsgroup-processable)
5157 (command-execute func))
5158 (gnus-summary-remove-process-mark article)))))
5159 (gnus-summary-position-point))
5161 (defun gnus-summary-toggle-truncation (&optional arg)
5162 "Toggle truncation of summary lines.
5163 With arg, turn line truncation on iff arg is positive."
5165 (setq truncate-lines
5166 (if (null arg) (not truncate-lines)
5167 (> (prefix-numeric-value arg) 0)))
5170 (defun gnus-summary-reselect-current-group (&optional all rescan)
5171 "Exit and then reselect the current newsgroup.
5172 The prefix argument ALL means to select all articles."
5174 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
5175 (error "Ephemeral groups can't be reselected"))
5176 (let ((current-subject (gnus-summary-article-number))
5177 (group gnus-newsgroup-name))
5178 (setq gnus-newsgroup-begin nil)
5180 ;; We have to adjust the point of group mode buffer because
5181 ;; point was moved to the next unread newsgroup by exiting.
5182 (gnus-summary-jump-to-group group)
5185 (gnus-group-get-new-news-this-group 1)))
5186 (gnus-group-read-group all t)
5187 (gnus-summary-goto-subject current-subject nil t)))
5189 (defun gnus-summary-rescan-group (&optional all)
5190 "Exit the newsgroup, ask for new articles, and select the newsgroup."
5192 (gnus-summary-reselect-current-group all t))
5194 (defun gnus-summary-update-info (&optional non-destructive)
5196 (let ((group gnus-newsgroup-name))
5198 (when gnus-newsgroup-kill-headers
5199 (setq gnus-newsgroup-killed
5200 (gnus-compress-sequence
5202 (gnus-set-sorted-intersection
5203 (gnus-uncompress-range gnus-newsgroup-killed)
5204 (setq gnus-newsgroup-unselected
5205 (sort gnus-newsgroup-unselected '<)))
5206 (setq gnus-newsgroup-unreads
5207 (sort gnus-newsgroup-unreads '<)))
5209 (unless (listp (cdr gnus-newsgroup-killed))
5210 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
5211 (let ((headers gnus-newsgroup-headers))
5212 ;; Set the new ranges of read articles.
5214 (set-buffer gnus-group-buffer)
5215 (gnus-undo-force-boundary))
5216 (gnus-update-read-articles
5217 group (append gnus-newsgroup-unreads gnus-newsgroup-unselected))
5218 ;; Set the current article marks.
5219 (let ((gnus-newsgroup-scored
5220 (if (and (not gnus-save-score)
5221 (not non-destructive))
5223 gnus-newsgroup-scored)))
5225 (gnus-update-marks)))
5226 ;; Do the cross-ref thing.
5227 (when gnus-use-cross-reference
5228 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
5229 ;; Do not switch windows but change the buffer to work.
5230 (set-buffer gnus-group-buffer)
5231 (unless (gnus-ephemeral-group-p group)
5232 (gnus-group-update-group group)))))))
5234 (defun gnus-summary-save-newsrc (&optional force)
5235 "Save the current number of read/marked articles in the dribble buffer.
5236 The dribble buffer will then be saved.
5237 If FORCE (the prefix), also save the .newsrc file(s)."
5239 (gnus-summary-update-info t)
5241 (gnus-save-newsrc-file)
5242 (gnus-dribble-save)))
5244 (defun gnus-summary-exit (&optional temporary)
5245 "Exit reading current newsgroup, and then return to group selection mode.
5246 gnus-exit-group-hook is called with no arguments if that value is non-nil."
5248 (gnus-set-global-variables)
5249 (when (gnus-buffer-live-p gnus-article-buffer)
5251 (set-buffer gnus-article-buffer)
5252 (mm-destroy-parts gnus-article-mime-handles)))
5253 (gnus-kill-save-kill-buffer)
5254 (gnus-async-halt-prefetch)
5255 (let* ((group gnus-newsgroup-name)
5256 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
5259 (buf (current-buffer)))
5261 ;; Do adaptive scoring, and possibly save score files.
5262 (when gnus-newsgroup-adaptive
5263 (gnus-score-adaptive))
5264 (when gnus-use-scoring
5266 (gnus-run-hooks 'gnus-summary-prepare-exit-hook)
5267 ;; If we have several article buffers, we kill them at exit.
5268 (unless gnus-single-article-buffer
5269 (gnus-kill-buffer gnus-original-article-buffer)
5270 (setq gnus-article-current nil))
5271 (when gnus-use-cache
5272 (gnus-cache-possibly-remove-articles)
5273 (gnus-cache-save-buffers))
5274 (gnus-async-prefetch-remove-group group)
5275 (when gnus-suppress-duplicates
5276 (gnus-dup-enter-articles))
5277 (when gnus-use-trees
5278 (gnus-tree-close group))
5279 ;; Remove entries for this group.
5280 (nnmail-purge-split-history (gnus-group-real-name group))
5281 ;; Make all changes in this group permanent.
5283 (gnus-run-hooks 'gnus-exit-group-hook)
5284 (gnus-summary-update-info))
5285 (gnus-close-group group)
5286 ;; Make sure where we were, and go to next newsgroup.
5287 (set-buffer gnus-group-buffer)
5289 (gnus-group-jump-to-group group))
5290 (gnus-run-hooks 'gnus-summary-exit-hook)
5291 (unless (or quit-config
5292 ;; If this group has disappeared from the summary
5293 ;; buffer, don't skip forwards.
5294 (not (string= group (gnus-group-group-name))))
5295 (gnus-group-next-unread-group 1))
5296 (setq group-point (point))
5299 ;; If we have several article buffers, we kill them at exit.
5300 (unless gnus-single-article-buffer
5301 (gnus-kill-buffer gnus-article-buffer)
5302 (gnus-kill-buffer gnus-original-article-buffer)
5303 (setq gnus-article-current nil))
5305 (if (not gnus-kill-summary-on-exit)
5306 (gnus-deaden-summary)
5307 ;; We set all buffer-local variables to nil. It is unclear why
5308 ;; this is needed, but if we don't, buffer-local variables are
5309 ;; not garbage-collected, it seems. This would the lead to en
5310 ;; ever-growing Emacs.
5311 (gnus-summary-clear-local-variables)
5312 (when (get-buffer gnus-article-buffer)
5313 (bury-buffer gnus-article-buffer))
5314 ;; We clear the global counterparts of the buffer-local
5315 ;; variables as well, just to be on the safe side.
5316 (set-buffer gnus-group-buffer)
5317 (gnus-summary-clear-local-variables)
5318 ;; Return to group mode buffer.
5319 (when (eq mode 'gnus-summary-mode)
5320 (gnus-kill-buffer buf)))
5321 (setq gnus-current-select-method gnus-select-method)
5322 (pop-to-buffer gnus-group-buffer)
5323 (if (not quit-config)
5325 (goto-char group-point)
5326 (gnus-configure-windows 'group 'force))
5327 (gnus-handle-ephemeral-exit quit-config))
5328 ;; Clear the current group name.
5330 (setq gnus-newsgroup-name nil)))))
5332 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
5333 (defun gnus-summary-exit-no-update (&optional no-questions)
5334 "Quit reading current newsgroup without updating read article info."
5336 (let* ((group gnus-newsgroup-name)
5337 (quit-config (gnus-group-quit-config group)))
5338 (when (or no-questions
5340 (gnus-y-or-n-p "Discard changes to this group and exit? "))
5341 (gnus-async-halt-prefetch)
5343 (delq 'gnus-summary-expire-articles
5344 (copy-list gnus-summary-prepare-exit-hook)))
5345 (when (gnus-buffer-live-p gnus-article-buffer)
5347 (set-buffer gnus-article-buffer)
5348 (mm-destroy-parts gnus-article-mime-handles)))
5349 ;; If we have several article buffers, we kill them at exit.
5350 (unless gnus-single-article-buffer
5351 (gnus-kill-buffer gnus-article-buffer)
5352 (gnus-kill-buffer gnus-original-article-buffer)
5353 (setq gnus-article-current nil))
5354 (if (not gnus-kill-summary-on-exit)
5355 (gnus-deaden-summary)
5356 (gnus-close-group group)
5357 (gnus-summary-clear-local-variables)
5358 (set-buffer gnus-group-buffer)
5359 (gnus-summary-clear-local-variables)
5360 (when (get-buffer gnus-summary-buffer)
5361 (kill-buffer gnus-summary-buffer)))
5362 (unless gnus-single-article-buffer
5363 (setq gnus-article-current nil))
5364 (when gnus-use-trees
5365 (gnus-tree-close group))
5366 (gnus-async-prefetch-remove-group group)
5367 (when (get-buffer gnus-article-buffer)
5368 (bury-buffer gnus-article-buffer))
5369 ;; Return to the group buffer.
5370 (gnus-configure-windows 'group 'force)
5371 ;; Clear the current group name.
5372 (setq gnus-newsgroup-name nil)
5373 (when (equal (gnus-group-group-name) group)
5374 (gnus-group-next-unread-group 1))
5376 (gnus-handle-ephemeral-exit quit-config)))))
5378 (defun gnus-handle-ephemeral-exit (quit-config)
5379 "Handle movement when leaving an ephemeral group.
5380 The state which existed when entering the ephemeral is reset."
5381 (if (not (buffer-name (car quit-config)))
5382 (gnus-configure-windows 'group 'force)
5383 (set-buffer (car quit-config))
5384 (cond ((eq major-mode 'gnus-summary-mode)
5385 (gnus-set-global-variables))
5386 ((eq major-mode 'gnus-article-mode)
5388 ;; The `gnus-summary-buffer' variable may point
5389 ;; to the old summary buffer when using a single
5391 (unless (gnus-buffer-live-p gnus-summary-buffer)
5392 (set-buffer gnus-group-buffer))
5393 (set-buffer gnus-summary-buffer)
5394 (gnus-set-global-variables))))
5395 (if (or (eq (cdr quit-config) 'article)
5396 (eq (cdr quit-config) 'pick))
5398 ;; The current article may be from the ephemeral group
5399 ;; thus it is best that we reload this article
5400 (gnus-summary-show-article)
5401 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
5402 (gnus-configure-windows 'pick 'force)
5403 (gnus-configure-windows (cdr quit-config) 'force)))
5404 (gnus-configure-windows (cdr quit-config) 'force))
5405 (when (eq major-mode 'gnus-summary-mode)
5406 (gnus-summary-next-subject 1 nil t)
5407 (gnus-summary-recenter)
5408 (gnus-summary-position-point))))
5412 (defvar gnus-dead-summary-mode-map nil)
5414 (unless gnus-dead-summary-mode-map
5415 (setq gnus-dead-summary-mode-map (make-keymap))
5416 (suppress-keymap gnus-dead-summary-mode-map)
5417 (substitute-key-definition
5418 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
5419 (let ((keys '("\C-d" "\r" "\177" [delete])))
5421 (define-key gnus-dead-summary-mode-map
5422 (pop keys) 'gnus-summary-wake-up-the-dead))))
5424 (defvar gnus-dead-summary-mode nil
5425 "Minor mode for Gnus summary buffers.")
5427 (defun gnus-dead-summary-mode (&optional arg)
5428 "Minor mode for Gnus summary buffers."
5430 (when (eq major-mode 'gnus-summary-mode)
5431 (make-local-variable 'gnus-dead-summary-mode)
5432 (setq gnus-dead-summary-mode
5433 (if (null arg) (not gnus-dead-summary-mode)
5434 (> (prefix-numeric-value arg) 0)))
5435 (when gnus-dead-summary-mode
5436 (gnus-add-minor-mode
5437 'gnus-dead-summary-mode " Dead" gnus-dead-summary-mode-map))))
5439 (defun gnus-deaden-summary ()
5440 "Make the current summary buffer into a dead summary buffer."
5441 ;; Kill any previous dead summary buffer.
5442 (when (and gnus-dead-summary
5443 (buffer-name gnus-dead-summary))
5445 (set-buffer gnus-dead-summary)
5446 (when gnus-dead-summary-mode
5447 (kill-buffer (current-buffer)))))
5448 ;; Make this the current dead summary.
5449 (setq gnus-dead-summary (current-buffer))
5450 (gnus-dead-summary-mode 1)
5451 (let ((name (buffer-name)))
5452 (when (string-match "Summary" name)
5454 (concat (substring name 0 (match-beginning 0)) "Dead "
5455 (substring name (match-beginning 0)))
5458 (defun gnus-kill-or-deaden-summary (buffer)
5459 "Kill or deaden the summary BUFFER."
5461 (when (and (buffer-name buffer)
5462 (not gnus-single-article-buffer))
5465 (gnus-kill-buffer gnus-article-buffer)
5466 (gnus-kill-buffer gnus-original-article-buffer)))
5467 (cond (gnus-kill-summary-on-exit
5468 (when (and gnus-use-trees
5469 (gnus-buffer-exists-p buffer))
5472 (gnus-tree-close gnus-newsgroup-name)))
5473 (gnus-kill-buffer buffer))
5474 ((gnus-buffer-exists-p buffer)
5477 (gnus-deaden-summary))))))
5479 (defun gnus-summary-wake-up-the-dead (&rest args)
5480 "Wake up the dead summary buffer."
5482 (gnus-dead-summary-mode -1)
5483 (let ((name (buffer-name)))
5484 (when (string-match "Dead " name)
5486 (concat (substring name 0 (match-beginning 0))
5487 (substring name (match-end 0)))
5489 (gnus-message 3 "This dead summary is now alive again"))
5491 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
5492 (defun gnus-summary-fetch-faq (&optional faq-dir)
5493 "Fetch the FAQ for the current group.
5494 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
5498 (when current-prefix-arg
5500 "Faq dir: " (and (listp gnus-group-faq-directory)
5501 (mapcar (lambda (file) (list file))
5502 gnus-group-faq-directory))))))
5503 (let (gnus-faq-buffer)
5504 (when (setq gnus-faq-buffer
5505 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
5506 (gnus-configure-windows 'summary-faq))))
5508 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
5509 (defun gnus-summary-describe-group (&optional force)
5510 "Describe the current newsgroup."
5512 (gnus-group-describe-group force gnus-newsgroup-name))
5514 (defun gnus-summary-describe-briefly ()
5515 "Describe summary mode commands briefly."
5517 (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")))
5519 ;; Walking around group mode buffer from summary mode.
5521 (defun gnus-summary-next-group (&optional no-article target-group backward)
5522 "Exit current newsgroup and then select next unread newsgroup.
5523 If prefix argument NO-ARTICLE is non-nil, no article is selected
5524 initially. If NEXT-GROUP, go to this group. If BACKWARD, go to
5525 previous group instead."
5527 ;; Stop pre-fetching.
5528 (gnus-async-halt-prefetch)
5529 (let ((current-group gnus-newsgroup-name)
5530 (current-buffer (current-buffer))
5532 ;; First we semi-exit this group to update Xrefs and all variables.
5533 ;; We can't do a real exit, because the window conf must remain
5534 ;; the same in case the user is prompted for info, and we don't
5535 ;; want the window conf to change before that...
5536 (gnus-summary-exit t)
5537 (while (not entered)
5538 ;; Then we find what group we are supposed to enter.
5539 (set-buffer gnus-group-buffer)
5540 (gnus-group-jump-to-group current-group)
5543 (if (eq gnus-keep-same-level 'best)
5544 (gnus-summary-best-group gnus-newsgroup-name)
5545 (gnus-summary-search-group backward gnus-keep-same-level))))
5546 (if (not target-group)
5547 ;; There are no further groups, so we return to the group
5550 (gnus-message 5 "Returning to the group buffer")
5552 (when (gnus-buffer-live-p current-buffer)
5553 (set-buffer current-buffer)
5554 (gnus-summary-exit))
5555 (gnus-run-hooks 'gnus-group-no-more-groups-hook))
5556 ;; We try to enter the target group.
5557 (gnus-group-jump-to-group target-group)
5558 (let ((unreads (gnus-group-group-unread)))
5559 (if (and (or (eq t unreads)
5560 (and unreads (not (zerop unreads))))
5561 (gnus-summary-read-group
5562 target-group nil no-article
5563 (and (buffer-name current-buffer) current-buffer)
5566 (setq current-group target-group
5567 target-group nil)))))))
5569 (defun gnus-summary-prev-group (&optional no-article)
5570 "Exit current newsgroup and then select previous unread newsgroup.
5571 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
5573 (gnus-summary-next-group no-article nil t))
5575 ;; Walking around summary lines.
5577 (defun gnus-summary-first-subject (&optional unread undownloaded)
5578 "Go to the first unread subject.
5579 If UNREAD is non-nil, go to the first unread article.
5580 Returns the article selected or nil if there are no unread articles."
5585 ((null gnus-newsgroup-data)
5586 (gnus-message 3 "No articles in the group")
5588 ;; Pick the first article.
5590 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
5591 (gnus-data-number (car gnus-newsgroup-data)))
5592 ;; No unread articles.
5593 ((null gnus-newsgroup-unreads)
5594 (gnus-message 3 "No more unread articles")
5596 ;; Find the first unread article.
5598 (let ((data gnus-newsgroup-data))
5600 (and (not (and undownloaded
5601 (eq gnus-undownloaded-mark
5602 (gnus-data-mark (car data)))))
5603 (not (gnus-data-unread-p (car data)))))
5604 (setq data (cdr data)))
5606 (goto-char (gnus-data-pos (car data)))
5607 (gnus-data-number (car data))))))
5608 (gnus-summary-position-point)))
5610 (defun gnus-summary-next-subject (n &optional unread dont-display)
5611 "Go to next N'th summary line.
5612 If N is negative, go to the previous N'th subject line.
5613 If UNREAD is non-nil, only unread articles are selected.
5614 The difference between N and the actual number of steps taken is
5617 (let ((backward (< n 0))
5621 (gnus-summary-find-prev unread)
5622 (gnus-summary-find-next unread)))
5623 (gnus-summary-show-thread)
5626 (gnus-message 7 "No more%s articles"
5627 (if unread " unread" "")))
5628 (unless dont-display
5629 (gnus-summary-recenter)
5630 (gnus-summary-position-point))
5633 (defun gnus-summary-next-unread-subject (n)
5634 "Go to next N'th unread summary line."
5636 (gnus-summary-next-subject n t))
5638 (defun gnus-summary-prev-subject (n &optional unread)
5639 "Go to previous N'th summary line.
5640 If optional argument UNREAD is non-nil, only unread article is selected."
5642 (gnus-summary-next-subject (- n) unread))
5644 (defun gnus-summary-prev-unread-subject (n)
5645 "Go to previous N'th unread summary line."
5647 (gnus-summary-next-subject (- n) t))
5649 (defun gnus-summary-goto-subject (article &optional force silent)
5650 "Go the subject line of ARTICLE.
5651 If FORCE, also allow jumping to articles not currently shown."
5652 (interactive "nArticle number: ")
5654 (data (gnus-data-find article)))
5655 ;; We read in the article if we have to.
5658 (gnus-summary-insert-subject
5660 (if (or (numberp force) (vectorp force)) force)
5662 (setq data (gnus-data-find article)))
5667 (gnus-message 3 "Can't find article %d" article))
5669 (goto-char (gnus-data-pos data))
5670 (gnus-summary-position-point)
5673 ;; Walking around summary lines with displaying articles.
5675 (defun gnus-summary-expand-window (&optional arg)
5676 "Make the summary buffer take up the entire Emacs frame.
5677 Given a prefix, will force an `article' buffer configuration."
5680 (gnus-configure-windows 'article 'force)
5681 (gnus-configure-windows 'summary 'force)))
5683 (defun gnus-summary-display-article (article &optional all-header)
5684 "Display ARTICLE in article buffer."
5685 (gnus-set-global-variables)
5689 (if gnus-summary-display-article-function
5690 (funcall gnus-summary-display-article-function article all-header)
5691 (gnus-article-prepare article all-header))
5692 (gnus-run-hooks 'gnus-select-article-hook)
5693 (when (and gnus-current-article
5694 (not (zerop gnus-current-article)))
5695 (gnus-summary-goto-subject gnus-current-article))
5696 (gnus-summary-recenter)
5697 (when (and gnus-use-trees gnus-show-threads)
5698 (gnus-possibly-generate-tree article)
5699 (gnus-highlight-selected-tree article))
5700 ;; Successfully display article.
5701 (gnus-article-set-window-start
5702 (cdr (assq article gnus-newsgroup-bookmarks))))))
5704 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
5705 "Select the current article.
5706 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
5707 non-nil, the article will be re-fetched even if it already present in
5708 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
5710 ;; Make sure we are in the summary buffer to work around bbdb bug.
5711 (unless (eq major-mode 'gnus-summary-mode)
5712 (set-buffer gnus-summary-buffer))
5713 (let ((article (or article (gnus-summary-article-number)))
5714 (all-headers (not (not all-headers))) ;Must be T or NIL.
5715 gnus-summary-display-article-function
5718 (gnus-summary-article-pseudo-p article)
5719 (error "This is a pseudo-article"))
5722 (set-buffer gnus-summary-buffer)
5723 (if (or (and gnus-single-article-buffer
5724 (or (null gnus-current-article)
5725 (null gnus-article-current)
5726 (null (get-buffer gnus-article-buffer))
5727 (not (eq article (cdr gnus-article-current)))
5728 (not (equal (car gnus-article-current)
5729 gnus-newsgroup-name))))
5730 (and (not gnus-single-article-buffer)
5731 (or (null gnus-current-article)
5732 (not (eq gnus-current-article article))))
5734 ;; The requested article is different from the current article.
5736 (gnus-summary-display-article article all-headers)
5738 (when (or all-headers gnus-show-all-headers)
5739 (gnus-article-show-all-headers)))
5740 (when (or all-headers gnus-show-all-headers)
5741 (gnus-article-show-all-headers))
5744 (gnus-article-set-window-start
5745 (cdr (assq article gnus-newsgroup-bookmarks)))))))
5747 (defun gnus-summary-set-current-mark (&optional current-mark)
5748 "Obsolete function."
5751 (defun gnus-summary-next-article (&optional unread subject backward push)
5752 "Select the next article.
5753 If UNREAD, only unread articles are selected.
5754 If SUBJECT, only articles with SUBJECT are selected.
5755 If BACKWARD, the previous article is selected instead of the next."
5758 ;; Is there such an article?
5759 ((and (gnus-summary-search-forward unread subject backward)
5760 (or (gnus-summary-display-article (gnus-summary-article-number))
5761 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
5762 (gnus-summary-position-point))
5763 ;; If not, we try the first unread, if that is wanted.
5765 gnus-auto-select-same
5766 (gnus-summary-first-unread-article))
5767 (gnus-summary-position-point)
5768 (gnus-message 6 "Wrapped"))
5769 ;; Try to get next/previous article not displayed in this group.
5770 ((and gnus-auto-extend-newsgroup
5771 (not unread) (not subject))
5772 (gnus-summary-goto-article
5773 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
5774 nil (count-lines (point-min) (point))))
5775 ;; Go to next/previous group.
5777 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
5778 (gnus-summary-jump-to-group gnus-newsgroup-name))
5779 (let ((cmd last-command-char)
5782 (set-buffer gnus-group-buffer)
5785 (if (eq gnus-keep-same-level 'best)
5786 (gnus-summary-best-group gnus-newsgroup-name)
5787 (gnus-summary-search-group backward gnus-keep-same-level))))
5788 ;; For some reason, the group window gets selected. We change
5790 (select-window (get-buffer-window (current-buffer)))
5791 ;; Select next unread newsgroup automagically.
5793 ((or (not gnus-auto-select-next)
5795 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
5796 ((or (eq gnus-auto-select-next 'quietly)
5797 (and (eq gnus-auto-select-next 'slightly-quietly)
5799 (and (eq gnus-auto-select-next 'almost-quietly)
5800 (gnus-summary-last-article-p)))
5802 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
5804 (gnus-message 7 "No more%s articles (%s)..."
5805 (if unread " unread" "")
5806 (if group (concat "selecting " group)
5808 (gnus-summary-next-group nil group backward)))
5810 (when (gnus-key-press-event-p last-input-event)
5811 (gnus-summary-walk-group-buffer
5812 gnus-newsgroup-name cmd unread backward point))))))))
5814 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
5815 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
5816 (?\C-p (gnus-group-prev-unread-group 1))))
5817 (cursor-in-echo-area t)
5818 keve key group ended)
5820 (set-buffer gnus-group-buffer)
5823 (if (eq gnus-keep-same-level 'best)
5824 (gnus-summary-best-group gnus-newsgroup-name)
5825 (gnus-summary-search-group backward gnus-keep-same-level))))
5828 5 "No more%s articles%s" (if unread " unread" "")
5830 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
5831 (format " (Type %s for %s [%s])"
5832 (single-key-description cmd) group
5833 (car (gnus-gethash group gnus-newsrc-hashtb)))
5834 (format " (Type %s to exit %s)"
5835 (single-key-description cmd)
5836 gnus-newsgroup-name)))
5837 ;; Confirm auto selection.
5838 (setq key (car (setq keve (gnus-read-event-char))))
5841 ((assq key keystrokes)
5842 (let ((obuf (current-buffer)))
5843 (switch-to-buffer gnus-group-buffer)
5845 (gnus-group-jump-to-group group))
5846 (eval (cadr (assq key keystrokes)))
5847 (setq group (gnus-group-group-name))
5848 (switch-to-buffer obuf))
5852 (gnus-ephemeral-group-p gnus-newsgroup-name))
5854 (gnus-summary-next-group nil group backward)))
5856 (push (cdr keve) unread-command-events))))))
5858 (defun gnus-summary-next-unread-article ()
5859 "Select unread article after current one."
5861 (gnus-summary-next-article
5862 (or (not (eq gnus-summary-goto-unread 'never))
5863 (gnus-summary-last-article-p (gnus-summary-article-number)))
5864 (and gnus-auto-select-same
5865 (gnus-summary-article-subject))))
5867 (defun gnus-summary-prev-article (&optional unread subject)
5868 "Select the article after the current one.
5869 If UNREAD is non-nil, only unread articles are selected."
5871 (gnus-summary-next-article unread subject t))
5873 (defun gnus-summary-prev-unread-article ()
5874 "Select unread article before current one."
5876 (gnus-summary-prev-article
5877 (or (not (eq gnus-summary-goto-unread 'never))
5878 (gnus-summary-first-article-p (gnus-summary-article-number)))
5879 (and gnus-auto-select-same
5880 (gnus-summary-article-subject))))
5882 (defun gnus-summary-next-page (&optional lines circular)
5883 "Show next page of the selected article.
5884 If at the end of the current article, select the next article.
5885 LINES says how many lines should be scrolled up.
5887 If CIRCULAR is non-nil, go to the start of the article instead of
5888 selecting the next article when reaching the end of the current
5891 (setq gnus-summary-buffer (current-buffer))
5892 (gnus-set-global-variables)
5893 (let ((article (gnus-summary-article-number))
5894 (article-window (get-buffer-window gnus-article-buffer t))
5896 ;; If the buffer is empty, we have no article.
5898 (error "No article to select"))
5899 (gnus-configure-windows 'article)
5900 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
5901 (if (and (eq gnus-summary-goto-unread 'never)
5902 (not (gnus-summary-last-article-p article)))
5903 (gnus-summary-next-article)
5904 (gnus-summary-next-unread-article))
5905 (if (or (null gnus-current-article)
5906 (null gnus-article-current)
5907 (/= article (cdr gnus-article-current))
5908 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
5909 ;; Selected subject is different from current article's.
5910 (gnus-summary-display-article article)
5911 (when article-window
5912 (gnus-eval-in-buffer-window gnus-article-buffer
5913 (setq endp (gnus-article-next-page lines)))
5916 (gnus-summary-beginning-of-article))
5918 (gnus-message 3 "End of message"))
5920 (if (and (eq gnus-summary-goto-unread 'never)
5921 (not (gnus-summary-last-article-p article)))
5922 (gnus-summary-next-article)
5923 (gnus-summary-next-unread-article))))))))
5924 (gnus-summary-recenter)
5925 (gnus-summary-position-point)))
5927 (defun gnus-summary-prev-page (&optional lines move)
5928 "Show previous page of selected article.
5929 Argument LINES specifies lines to be scrolled down.
5930 If MOVE, move to the previous unread article if point is at
5931 the beginning of the buffer."
5933 (let ((article (gnus-summary-article-number))
5934 (article-window (get-buffer-window gnus-article-buffer t))
5936 (gnus-configure-windows 'article)
5937 (if (or (null gnus-current-article)
5938 (null gnus-article-current)
5939 (/= article (cdr gnus-article-current))
5940 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
5941 ;; Selected subject is different from current article's.
5942 (gnus-summary-display-article article)
5943 (gnus-summary-recenter)
5944 (when article-window
5945 (gnus-eval-in-buffer-window gnus-article-buffer
5946 (setq endp (gnus-article-prev-page lines)))
5947 (when (and move endp)
5949 (gnus-message 3 "Beginning of message"))
5951 (if (and (eq gnus-summary-goto-unread 'never)
5952 (not (gnus-summary-first-article-p article)))
5953 (gnus-summary-prev-article)
5954 (gnus-summary-prev-unread-article))))))))
5955 (gnus-summary-position-point))
5957 (defun gnus-summary-prev-page-or-article (&optional lines)
5958 "Show previous page of selected article.
5959 Argument LINES specifies lines to be scrolled down.
5960 If at the beginning of the article, go to the next article."
5962 (gnus-summary-prev-page lines t))
5964 (defun gnus-summary-scroll-up (lines)
5965 "Scroll up (or down) one line current article.
5966 Argument LINES specifies lines to be scrolled up (or down if negative)."
5968 (gnus-configure-windows 'article)
5969 (gnus-summary-show-thread)
5970 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
5971 (gnus-eval-in-buffer-window gnus-article-buffer
5973 (when (gnus-article-next-page lines)
5974 (gnus-message 3 "End of message")))
5976 (gnus-article-prev-page (- lines))))))
5977 (gnus-summary-recenter)
5978 (gnus-summary-position-point))
5980 (defun gnus-summary-scroll-down (lines)
5981 "Scroll down (or up) one line current article.
5982 Argument LINES specifies lines to be scrolled down (or up if negative)."
5984 (gnus-summary-scroll-up (- lines)))
5986 (defun gnus-summary-next-same-subject ()
5987 "Select next article which has the same subject as current one."
5989 (gnus-summary-next-article nil (gnus-summary-article-subject)))
5991 (defun gnus-summary-prev-same-subject ()
5992 "Select previous article which has the same subject as current one."
5994 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
5996 (defun gnus-summary-next-unread-same-subject ()
5997 "Select next unread article which has the same subject as current one."
5999 (gnus-summary-next-article t (gnus-summary-article-subject)))
6001 (defun gnus-summary-prev-unread-same-subject ()
6002 "Select previous unread article which has the same subject as current one."
6004 (gnus-summary-prev-article t (gnus-summary-article-subject)))
6006 (defun gnus-summary-first-unread-article ()
6007 "Select the first unread article.
6008 Return nil if there are no unread articles."
6011 (when (gnus-summary-first-subject t)
6012 (gnus-summary-show-thread)
6013 (gnus-summary-first-subject t)
6014 (gnus-summary-display-article (gnus-summary-article-number)))
6015 (gnus-summary-position-point)))
6017 (defun gnus-summary-first-unread-subject ()
6018 "Place the point on the subject line of the first unread article.
6019 Return nil if there are no unread articles."
6022 (when (gnus-summary-first-subject t)
6023 (gnus-summary-show-thread)
6024 (gnus-summary-first-subject t))
6025 (gnus-summary-position-point)))
6027 (defun gnus-summary-first-article ()
6028 "Select the first article.
6029 Return nil if there are no articles."
6032 (when (gnus-summary-first-subject)
6033 (gnus-summary-show-thread)
6034 (gnus-summary-first-subject)
6035 (gnus-summary-display-article (gnus-summary-article-number)))
6036 (gnus-summary-position-point)))
6038 (defun gnus-summary-best-unread-article ()
6039 "Select the unread article with the highest score."
6041 (let ((best -1000000)
6042 (data gnus-newsgroup-data)
6045 (and (gnus-data-unread-p (car data))
6047 (gnus-summary-article-score (gnus-data-number (car data))))
6050 article (gnus-data-number (car data))))
6051 (setq data (cdr data)))
6054 (gnus-summary-goto-article article)
6055 (error "No unread articles"))
6056 (gnus-summary-position-point))))
6058 (defun gnus-summary-last-subject ()
6059 "Go to the last displayed subject line in the group."
6060 (let ((article (gnus-data-number (car (gnus-data-list t)))))
6062 (gnus-summary-goto-subject article))))
6064 (defun gnus-summary-goto-article (article &optional all-headers force)
6065 "Fetch ARTICLE (article number or Message-ID) and display it if it exists.
6066 If ALL-HEADERS is non-nil, no header lines are hidden.
6067 If FORCE, go to the article even if it isn't displayed. If FORCE
6068 is a number, it is the line the article is to be displayed on."
6072 "Article number or Message-ID: "
6073 (mapcar (lambda (number) (list (int-to-string number)))
6074 gnus-newsgroup-limit))
6078 (if (and (stringp article)
6079 (string-match "@" article))
6080 (gnus-summary-refer-article article)
6081 (when (stringp article)
6082 (setq article (string-to-number article)))
6083 (if (gnus-summary-goto-subject article force)
6084 (gnus-summary-display-article article all-headers)
6085 (gnus-message 4 "Couldn't go to article %s" article) nil))
6086 (gnus-summary-position-point)))
6088 (defun gnus-summary-goto-last-article ()
6089 "Go to the previously read article."
6092 (when gnus-last-article
6093 (gnus-summary-goto-article gnus-last-article nil t))
6094 (gnus-summary-position-point)))
6096 (defun gnus-summary-pop-article (number)
6097 "Pop one article off the history and go to the previous.
6098 NUMBER articles will be popped off."
6101 (setq gnus-newsgroup-history
6102 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
6104 (gnus-summary-goto-article (car to) nil t)
6105 (error "Article history empty")))
6106 (gnus-summary-position-point))
6108 ;; Summary commands and functions for limiting the summary buffer.
6110 (defun gnus-summary-limit-to-articles (n)
6111 "Limit the summary buffer to the next N articles.
6112 If not given a prefix, use the process marked articles instead."
6115 (let ((articles (gnus-summary-work-articles n)))
6116 (setq gnus-newsgroup-processable nil)
6117 (gnus-summary-limit articles))
6118 (gnus-summary-position-point)))
6120 (defun gnus-summary-pop-limit (&optional total)
6121 "Restore the previous limit.
6122 If given a prefix, remove all limits."
6125 (setq gnus-newsgroup-limits
6126 (list (mapcar (lambda (h) (mail-header-number h))
6127 gnus-newsgroup-headers))))
6128 (unless gnus-newsgroup-limits
6129 (error "No limit to pop"))
6131 (gnus-summary-limit nil 'pop)
6132 (gnus-summary-position-point)))
6134 (defun gnus-summary-limit-to-subject (subject &optional header)
6135 "Limit the summary buffer to articles that have subjects that match a regexp."
6136 (interactive "sLimit to subject (regexp): ")
6138 (setq header "subject"))
6139 (when (not (equal "" subject))
6141 (let ((articles (gnus-summary-find-matching
6142 (or header "subject") subject 'all)))
6144 (error "Found no matches for \"%s\"" subject))
6145 (gnus-summary-limit articles))
6146 (gnus-summary-position-point))))
6148 (defun gnus-summary-limit-to-author (from)
6149 "Limit the summary buffer to articles that have authors that match a regexp."
6150 (interactive "sLimit to author (regexp): ")
6151 (gnus-summary-limit-to-subject from "from"))
6153 (defun gnus-summary-limit-to-age (age &optional younger-p)
6154 "Limit the summary buffer to articles that are older than (or equal) AGE days.
6155 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
6156 articles that are younger than AGE days."
6157 (interactive "nLimit to articles older than (in days): \nP")
6159 (let ((data gnus-newsgroup-data)
6160 (cutoff (days-to-time age))
6161 articles d date is-younger)
6162 (while (setq d (pop data))
6163 (when (and (vectorp (gnus-data-header d))
6164 (setq date (mail-header-date (gnus-data-header d))))
6165 (setq is-younger (time-less-p
6166 (time-since (date-to-time date))
6171 (push (gnus-data-number d) articles))))
6172 (gnus-summary-limit (nreverse articles)))
6173 (gnus-summary-position-point)))
6175 (defun gnus-summary-limit-to-extra (header regexp)
6176 "Limit the summary buffer to articles that match an 'extra' header."
6180 (gnus-completing-read
6181 (symbol-name (car gnus-extra-headers))
6182 "Score extra header:"
6184 (cons (symbol-name x) x))
6189 (read-string (format "Limit to header %s (regexp): " header)))))
6190 (when (not (equal "" regexp))
6192 (let ((articles (gnus-summary-find-matching
6193 (cons 'extra header) regexp 'all)))
6195 (error "Found no matches for \"%s\"" regexp))
6196 (gnus-summary-limit articles))
6197 (gnus-summary-position-point))))
6199 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
6201 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
6203 (defun gnus-summary-limit-to-unread (&optional all)
6204 "Limit the summary buffer to articles that are not marked as read.
6205 If ALL is non-nil, limit strictly to unread articles."
6208 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
6209 (gnus-summary-limit-to-marks
6210 ;; Concat all the marks that say that an article is read and have
6212 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
6213 gnus-killed-mark gnus-kill-file-mark
6214 gnus-low-score-mark gnus-expirable-mark
6215 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
6216 gnus-duplicate-mark gnus-souped-mark)
6219 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
6220 (make-obsolete 'gnus-summary-delete-marked-with
6221 'gnus-summary-limit-exlude-marks)
6223 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
6224 "Exclude articles that are marked with MARKS (e.g. \"DK\").
6225 If REVERSE, limit the summary buffer to articles that are marked
6226 with MARKS. MARKS can either be a string of marks or a list of marks.
6227 Returns how many articles were removed."
6228 (interactive "sMarks: ")
6229 (gnus-summary-limit-to-marks marks t))
6231 (defun gnus-summary-limit-to-marks (marks &optional reverse)
6232 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
6233 If REVERSE (the prefix), limit the summary buffer to articles that are
6234 not marked with MARKS. MARKS can either be a string of marks or a
6236 Returns how many articles were removed."
6237 (interactive "sMarks: \nP")
6239 (let ((data gnus-newsgroup-data)
6240 (marks (if (listp marks) marks
6241 (append marks nil))) ; Transform to list.
6244 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
6245 (memq (gnus-data-mark (car data)) marks))
6246 (push (gnus-data-number (car data)) articles))
6247 (setq data (cdr data)))
6248 (gnus-summary-limit articles))
6249 (gnus-summary-position-point)))
6251 (defun gnus-summary-limit-to-score (&optional score)
6252 "Limit to articles with score at or above SCORE."
6254 (setq score (if score
6255 (prefix-numeric-value score)
6256 (or gnus-summary-default-score 0)))
6257 (let ((data gnus-newsgroup-data)
6260 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
6262 (push (gnus-data-number (car data)) articles))
6263 (setq data (cdr data)))
6265 (gnus-summary-limit articles)
6266 (gnus-summary-position-point))))
6268 (defun gnus-summary-limit-include-thread (id)
6269 "Display all the hidden articles that in the current thread."
6270 (interactive (list (mail-header-id (gnus-summary-article-header))))
6271 (let ((articles (gnus-articles-in-thread
6272 (gnus-id-to-thread (gnus-root-id id)))))
6274 (gnus-summary-limit (nconc articles gnus-newsgroup-limit))
6275 (gnus-summary-position-point))))
6277 (defun gnus-summary-limit-include-dormant ()
6278 "Display all the hidden articles that are marked as dormant.
6279 Note that this command only works on a subset of the articles currently
6280 fetched for this group."
6282 (unless gnus-newsgroup-dormant
6283 (error "There are no dormant articles in this group"))
6285 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
6286 (gnus-summary-position-point)))
6288 (defun gnus-summary-limit-exclude-dormant ()
6289 "Hide all dormant articles."
6292 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
6293 (gnus-summary-position-point)))
6295 (defun gnus-summary-limit-exclude-childless-dormant ()
6296 "Hide all dormant articles that have no children."
6298 (let ((data (gnus-data-list t))
6299 articles d children)
6300 ;; Find all articles that are either not dormant or have
6302 (while (setq d (pop data))
6303 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
6305 (gnus-article-children (gnus-data-number d)))
6308 (when (memq (car children) articles)
6313 (push (gnus-data-number d) articles)))
6316 (gnus-summary-limit articles)
6317 (gnus-summary-position-point))))
6319 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
6320 "Mark all unread excluded articles as read.
6321 If ALL, mark even excluded ticked and dormants as read."
6323 (let ((articles (gnus-sorted-complement
6325 (mapcar (lambda (h) (mail-header-number h))
6326 gnus-newsgroup-headers)
6328 (sort gnus-newsgroup-limit '<)))
6330 (setq gnus-newsgroup-unreads
6331 (gnus-intersection gnus-newsgroup-unreads gnus-newsgroup-limit))
6333 (setq gnus-newsgroup-dormant nil
6334 gnus-newsgroup-marked nil
6335 gnus-newsgroup-reads
6337 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
6338 gnus-newsgroup-reads))
6339 (while (setq article (pop articles))
6340 (unless (or (memq article gnus-newsgroup-dormant)
6341 (memq article gnus-newsgroup-marked))
6342 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
6344 (defun gnus-summary-limit (articles &optional pop)
6346 ;; We pop the previous limit off the stack and use that.
6347 (setq articles (car gnus-newsgroup-limits)
6348 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
6349 ;; We use the new limit, so we push the old limit on the stack.
6350 (push gnus-newsgroup-limit gnus-newsgroup-limits))
6352 (setq gnus-newsgroup-limit articles)
6353 (let ((total (length gnus-newsgroup-data))
6354 (data (gnus-data-find-list (gnus-summary-article-number)))
6355 (gnus-summary-mark-below nil) ; Inhibit this.
6357 ;; This will do all the work of generating the new summary buffer
6358 ;; according to the new limit.
6359 (gnus-summary-prepare)
6360 ;; Hide any threads, possibly.
6361 (and gnus-show-threads
6362 gnus-thread-hide-subtree
6363 (gnus-summary-hide-all-threads))
6364 ;; Try to return to the article you were at, or one in the
6367 ;; We try to find some article after the current one.
6369 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
6372 (setq data (cdr data))))
6374 ;; If there is no data, that means that we were after the last
6375 ;; article. The same goes when we can't find any articles
6376 ;; after the current one.
6377 (goto-char (point-max))
6378 (gnus-summary-find-prev))
6379 (gnus-set-mode-line 'summary)
6380 ;; We return how many articles were removed from the summary
6381 ;; buffer as a result of the new limit.
6382 (- total (length gnus-newsgroup-data))))
6384 (defsubst gnus-invisible-cut-children (threads)
6387 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
6392 (defsubst gnus-cut-thread (thread)
6393 "Go forwards in the thread until we find an article that we want to display."
6394 (when (or (eq gnus-fetch-old-headers 'some)
6395 (eq gnus-fetch-old-headers 'invisible)
6396 (eq gnus-build-sparse-threads 'some)
6397 (eq gnus-build-sparse-threads 'more))
6398 ;; Deal with old-fetched headers and sparse threads.
6402 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
6403 (gnus-summary-article-ancient-p
6404 (mail-header-number (car thread))))
6405 (if (or (<= (length (cdr thread)) 1)
6406 (eq gnus-fetch-old-headers 'invisible))
6407 (setq gnus-newsgroup-limit
6408 (delq (mail-header-number (car thread))
6409 gnus-newsgroup-limit)
6410 thread (cadr thread))
6411 (when (gnus-invisible-cut-children (cdr thread))
6412 (let ((th (cdr thread)))
6414 (if (memq (mail-header-number (caar th))
6415 gnus-newsgroup-limit)
6416 (setq thread (car th)
6418 (setq th (cdr th))))))))))
6421 (defun gnus-cut-threads (threads)
6422 "Cut off all uninteresting articles from the beginning of threads."
6423 (when (or (eq gnus-fetch-old-headers 'some)
6424 (eq gnus-fetch-old-headers 'invisible)
6425 (eq gnus-build-sparse-threads 'some)
6426 (eq gnus-build-sparse-threads 'more))
6429 (setcar th (gnus-cut-thread (car th)))
6430 (setq th (cdr th)))))
6431 ;; Remove nixed out threads.
6434 (defun gnus-summary-initial-limit (&optional show-if-empty)
6435 "Figure out what the initial limit is supposed to be on group entry.
6436 This entails weeding out unwanted dormants, low-scored articles,
6437 fetch-old-headers verbiage, and so on."
6438 ;; Most groups have nothing to remove.
6439 (if (or gnus-inhibit-limiting
6440 (and (null gnus-newsgroup-dormant)
6441 (not (eq gnus-fetch-old-headers 'some))
6442 (not (eq gnus-fetch-old-headers 'invisible))
6443 (null gnus-summary-expunge-below)
6444 (not (eq gnus-build-sparse-threads 'some))
6445 (not (eq gnus-build-sparse-threads 'more))
6446 (null gnus-thread-expunge-below)
6447 (not gnus-use-nocem)))
6449 (push gnus-newsgroup-limit gnus-newsgroup-limits)
6450 (setq gnus-newsgroup-limit nil)
6453 (unless (car (symbol-value node))
6454 ;; These threads have no parents -- they are roots.
6455 (let ((nodes (cdr (symbol-value node)))
6458 (if (and gnus-thread-expunge-below
6459 (< (gnus-thread-total-score (car nodes))
6460 gnus-thread-expunge-below))
6461 (gnus-expunge-thread (pop nodes))
6462 (setq thread (pop nodes))
6463 (gnus-summary-limit-children thread))))))
6464 gnus-newsgroup-dependencies)
6465 ;; If this limitation resulted in an empty group, we might
6466 ;; pop the previous limit and use it instead.
6467 (when (and (not gnus-newsgroup-limit)
6469 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
6470 gnus-newsgroup-limit))
6472 (defun gnus-summary-limit-children (thread)
6473 "Return 1 if this subthread is visible and 0 if it is not."
6474 ;; First we get the number of visible children to this thread. This
6475 ;; is done by recursing down the thread using this function, so this
6476 ;; will really go down to a leaf article first, before slowly
6477 ;; working its way up towards the root.
6481 (apply '+ (mapcar 'gnus-summary-limit-children
6484 (number (mail-header-number (car thread)))
6487 (not (memq number gnus-newsgroup-marked))
6489 ;; If this article is dormant and has absolutely no visible
6490 ;; children, then this article isn't visible.
6491 (and (memq number gnus-newsgroup-dormant)
6493 ;; If this is "fetch-old-headered" and there is no
6494 ;; visible children, then we don't want this article.
6495 (and (eq gnus-fetch-old-headers 'some)
6496 (gnus-summary-article-ancient-p number)
6498 ;; If this is "fetch-old-headered" and `invisible', then
6499 ;; we don't want this article.
6500 (and (eq gnus-fetch-old-headers 'invisible)
6501 (gnus-summary-article-ancient-p number))
6502 ;; If this is a sparsely inserted article with no children,
6503 ;; we don't want it.
6504 (and (eq gnus-build-sparse-threads 'some)
6505 (gnus-summary-article-sparse-p number)
6507 ;; If we use expunging, and this article is really
6508 ;; low-scored, then we don't want this article.
6509 (when (and gnus-summary-expunge-below
6511 (or (cdr (assq number gnus-newsgroup-scored))
6512 gnus-summary-default-score))
6513 gnus-summary-expunge-below))
6514 ;; We increase the expunge-tally here, but that has
6515 ;; nothing to do with the limits, really.
6516 (incf gnus-newsgroup-expunged-tally)
6517 ;; We also mark as read here, if that's wanted.
6518 (when (and gnus-summary-mark-below
6519 (< score gnus-summary-mark-below))
6520 (setq gnus-newsgroup-unreads
6521 (delq number gnus-newsgroup-unreads))
6522 (if gnus-newsgroup-auto-expire
6523 (push number gnus-newsgroup-expirable)
6524 (push (cons number gnus-low-score-mark)
6525 gnus-newsgroup-reads)))
6527 ;; Check NoCeM things.
6528 (if (and gnus-use-nocem
6529 (gnus-nocem-unwanted-article-p
6530 (mail-header-id (car thread))))
6532 (setq gnus-newsgroup-unreads
6533 (delq number gnus-newsgroup-unreads))
6535 ;; Nope, invisible article.
6537 ;; Ok, this article is to be visible, so we add it to the limit
6539 (push number gnus-newsgroup-limit)
6542 (defun gnus-expunge-thread (thread)
6543 "Mark all articles in THREAD as read."
6544 (let* ((number (mail-header-number (car thread))))
6545 (incf gnus-newsgroup-expunged-tally)
6546 ;; We also mark as read here, if that's wanted.
6547 (setq gnus-newsgroup-unreads
6548 (delq number gnus-newsgroup-unreads))
6549 (if gnus-newsgroup-auto-expire
6550 (push number gnus-newsgroup-expirable)
6551 (push (cons number gnus-low-score-mark)
6552 gnus-newsgroup-reads)))
6553 ;; Go recursively through all subthreads.
6554 (mapcar 'gnus-expunge-thread (cdr thread)))
6556 ;; Summary article oriented commands
6558 (defun gnus-summary-refer-parent-article (n)
6559 "Refer parent article N times.
6560 If N is negative, go to ancestor -N instead.
6561 The difference between N and the number of articles fetched is returned."
6565 (when (not (natnump n))
6570 (setq header (gnus-summary-article-header))
6571 (if (and (eq (mail-header-number header)
6572 (cdr gnus-article-current))
6573 (equal gnus-newsgroup-name
6574 (car gnus-article-current)))
6575 ;; If we try to find the parent of the currently
6576 ;; displayed article, then we take a look at the actual
6577 ;; References header, since this is slightly more
6578 ;; reliable than the References field we got from the
6581 (set-buffer gnus-original-article-buffer)
6582 (nnheader-narrow-to-headers)
6583 (unless (setq ref (message-fetch-field "references"))
6584 (setq ref (message-fetch-field "in-reply-to")))
6587 ;; It's not the current article, so we take a bet on
6588 ;; the value we got from the server.
6589 (mail-header-references header)))
6591 (not (equal ref "")))
6592 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
6593 (gnus-message 1 "Couldn't find parent"))
6594 (gnus-message 1 "No references in article %d"
6595 (gnus-summary-article-number))
6598 (gnus-summary-position-point)
6601 (defun gnus-summary-refer-references ()
6602 "Fetch all articles mentioned in the References header.
6603 Return the number of articles fetched."
6605 (let ((ref (mail-header-references (gnus-summary-article-header)))
6606 (current (gnus-summary-article-number))
6610 (error "No References in the current article")
6611 ;; For each Message-ID in the References header...
6612 (while (string-match "<[^>]*>" ref)
6614 ;; ... fetch that article.
6615 (gnus-summary-refer-article
6616 (prog1 (match-string 0 ref)
6617 (setq ref (substring ref (match-end 0))))))
6618 (gnus-summary-goto-subject current)
6619 (gnus-summary-position-point)
6622 (defun gnus-summary-refer-thread (&optional limit)
6623 "Fetch all articles in the current thread.
6624 If LIMIT (the numerical prefix), fetch that many old headers instead
6625 of what's specified by the `gnus-refer-thread-limit' variable."
6627 (let ((id (mail-header-id (gnus-summary-article-header)))
6628 (limit (if limit (prefix-numeric-value limit)
6629 gnus-refer-thread-limit)))
6630 ;; We want to fetch LIMIT *old* headers, but we also have to
6631 ;; re-fetch all the headers in the current buffer, because many of
6632 ;; them may be undisplayed. So we adjust LIMIT.
6633 (when (numberp limit)
6634 (incf limit (- gnus-newsgroup-end gnus-newsgroup-begin)))
6635 (unless (eq gnus-fetch-old-headers 'invisible)
6636 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
6637 ;; Retrieve the headers and read them in.
6638 (if (eq (gnus-retrieve-headers
6639 (list gnus-newsgroup-end) gnus-newsgroup-name limit)
6641 (gnus-build-all-threads)
6642 (error "Can't fetch thread from backends that don't support NOV"))
6643 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name))
6644 (gnus-summary-limit-include-thread id)))
6646 (defun gnus-summary-refer-article (message-id &optional arg)
6647 "Fetch an article specified by MESSAGE-ID.
6648 If ARG (the prefix), fetch the article using `gnus-refer-article-method'
6649 or `gnus-select-method', no matter what backend the article comes from."
6650 (interactive "sMessage-ID: \nP")
6651 (when (and (stringp message-id)
6652 (not (zerop (length message-id))))
6653 ;; Construct the correct Message-ID if necessary.
6654 ;; Suggested by tale@pawl.rpi.edu.
6655 (unless (string-match "^<" message-id)
6656 (setq message-id (concat "<" message-id)))
6657 (unless (string-match ">$" message-id)
6658 (setq message-id (concat message-id ">")))
6659 (let* ((header (gnus-id-to-header message-id))
6661 (gnus-summary-article-sparse-p
6662 (mail-header-number header))
6663 (memq (mail-header-number header)
6664 gnus-newsgroup-limit))))
6666 ;; If the article is present in the buffer we just go to it.
6668 (or (not (gnus-summary-article-sparse-p
6669 (mail-header-number header)))
6672 (gnus-summary-goto-article
6673 (mail-header-number header) nil t)
6675 (gnus-summary-update-article (mail-header-number header)))))
6677 ;; We fetch the article
6678 (let ((gnus-override-method
6679 (cond ((gnus-news-group-p gnus-newsgroup-name)
6680 gnus-refer-article-method)
6682 (or gnus-refer-article-method gnus-select-method))
6685 ;; Start the special refer-article method, if necessary.
6686 (when (and gnus-refer-article-method
6687 (gnus-news-group-p gnus-newsgroup-name))
6688 (gnus-check-server gnus-refer-article-method))
6689 ;; Fetch the header, and display the article.
6690 (if (setq number (gnus-summary-insert-subject message-id))
6691 (gnus-summary-select-article nil nil nil number)
6692 (gnus-message 3 "Couldn't fetch article %s" message-id))))))))
6694 (defun gnus-summary-edit-parameters ()
6695 "Edit the group parameters of the current group."
6697 (gnus-group-edit-group gnus-newsgroup-name 'params))
6699 (defun gnus-summary-customize-parameters ()
6700 "Customize the group parameters of the current group."
6702 (gnus-group-customize gnus-newsgroup-name))
6704 (defun gnus-summary-enter-digest-group (&optional force)
6705 "Enter an nndoc group based on the current article.
6706 If FORCE, force a digest interpretation. If not, try
6707 to guess what the document format is."
6709 (let ((conf gnus-current-window-configuration))
6711 (gnus-summary-select-article))
6712 (setq gnus-current-window-configuration conf)
6713 (let* ((name (format "%s-%d"
6714 (gnus-group-prefixed-name
6715 gnus-newsgroup-name (list 'nndoc ""))
6717 (set-buffer gnus-summary-buffer)
6718 gnus-current-article)))
6719 (ogroup gnus-newsgroup-name)
6720 (params (append (gnus-info-params (gnus-get-info ogroup))
6721 (list (cons 'to-group ogroup))
6722 (list (cons 'save-article-group ogroup))))
6723 (case-fold-search t)
6724 (buf (current-buffer))
6727 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
6728 (insert-buffer-substring gnus-original-article-buffer)
6729 ;; Remove lines that may lead nndoc to misinterpret the
6732 (goto-char (point-min))
6733 (or (search-forward "\n\n" nil t) (point)))
6734 (goto-char (point-min))
6735 (delete-matching-lines "^\\(Path\\):\\|^From ")
6738 (if (gnus-group-read-ephemeral-group
6739 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
6741 ,(if force 'digest 'guess))) t)
6742 ;; Make all postings to this group go to the parent group.
6743 (nconc (gnus-info-params (gnus-get-info name))
6745 ;; Couldn't select this doc group.
6746 (switch-to-buffer buf)
6747 (gnus-set-global-variables)
6748 (gnus-configure-windows 'summary)
6749 (gnus-message 3 "Article couldn't be entered?"))
6750 (kill-buffer dig)))))
6752 (defun gnus-summary-read-document (n)
6753 "Open a new group based on the current article(s).
6754 This will allow you to read digests and other similar
6755 documents as newsgroups.
6756 Obeys the standard process/prefix convention."
6758 (let* ((articles (gnus-summary-work-articles n))
6759 (ogroup gnus-newsgroup-name)
6760 (params (append (gnus-info-params (gnus-get-info ogroup))
6761 (list (cons 'to-group ogroup))))
6762 article group egroup groups vgroup)
6763 (while (setq article (pop articles))
6764 (setq group (format "%s-%d" gnus-newsgroup-name article))
6765 (gnus-summary-remove-process-mark article)
6766 (when (gnus-summary-display-article article)
6769 (insert-buffer-substring gnus-original-article-buffer)
6770 ;; Remove some headers that may lead nndoc to make
6772 (message-narrow-to-head)
6773 (goto-char (point-min))
6774 (delete-matching-lines "^\\(Path\\):\\|^From ")
6777 (gnus-group-read-ephemeral-group
6778 group `(nndoc ,group (nndoc-address ,(current-buffer))
6779 (nndoc-article-type guess))
6782 ;; Make all postings to this group go to the parent group.
6783 (nconc (gnus-info-params (gnus-get-info egroup))
6785 (push egroup groups))
6786 ;; Couldn't select this doc group.
6787 (gnus-error 3 "Article couldn't be entered"))))))
6788 ;; Now we have selected all the documents.
6791 (error "None of the articles could be interpreted as documents"))
6792 ((gnus-group-read-ephemeral-group
6793 (setq vgroup (format
6794 "nnvirtual:%s-%s" gnus-newsgroup-name
6795 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
6796 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
6798 (cons (current-buffer) 'summary)))
6800 (error "Couldn't select virtual nndoc group")))))
6802 (defun gnus-summary-isearch-article (&optional regexp-p)
6803 "Do incremental search forward on the current article.
6804 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
6806 (gnus-summary-select-article)
6807 (gnus-configure-windows 'article)
6808 (gnus-eval-in-buffer-window gnus-article-buffer
6811 (isearch-forward regexp-p))))
6813 (defun gnus-summary-search-article-forward (regexp &optional backward)
6814 "Search for an article containing REGEXP forward.
6815 If BACKWARD, search backward instead."
6818 (format "Search article %s (regexp%s): "
6819 (if current-prefix-arg "backward" "forward")
6820 (if gnus-last-search-regexp
6821 (concat ", default " gnus-last-search-regexp)
6823 current-prefix-arg))
6824 (if (string-equal regexp "")
6825 (setq regexp (or gnus-last-search-regexp ""))
6826 (setq gnus-last-search-regexp regexp))
6827 (if (gnus-summary-search-article regexp backward)
6828 (gnus-summary-show-thread)
6829 (error "Search failed: \"%s\"" regexp)))
6831 (defun gnus-summary-search-article-backward (regexp)
6832 "Search for an article containing REGEXP backward."
6835 (format "Search article backward (regexp%s): "
6836 (if gnus-last-search-regexp
6837 (concat ", default " gnus-last-search-regexp)
6839 (gnus-summary-search-article-forward regexp 'backward))
6841 (defun gnus-summary-search-article (regexp &optional backward)
6842 "Search for an article containing REGEXP.
6843 Optional argument BACKWARD means do search for backward.
6844 `gnus-select-article-hook' is not called during the search."
6845 ;; We have to require this here to make sure that the following
6846 ;; dynamic binding isn't shadowed by autoloading.
6847 (require 'gnus-async)
6849 (let ((gnus-select-article-hook nil) ;Disable hook.
6850 (gnus-mark-article-hook nil) ;Inhibit marking as read.
6851 (gnus-use-article-prefetch nil)
6852 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
6853 (gnus-use-trees nil) ;Inhibit updating tree buffer.
6854 (sum (current-buffer))
6855 (gnus-display-mime-function nil)
6858 (gnus-save-hidden-threads
6859 (gnus-summary-select-article)
6860 (set-buffer gnus-article-buffer)
6864 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
6866 (re-search-backward regexp nil t)
6867 (re-search-forward regexp nil t))
6868 ;; We found the regexp.
6873 (get-buffer-window (current-buffer))
6877 (setq point (point)))
6878 ;; We didn't find it, so we go to the next article.
6881 (while (eq found 'not)
6882 (if (not (if backward (gnus-summary-find-prev)
6883 (gnus-summary-find-next)))
6884 ;; No more articles.
6886 ;; Select the next article and adjust point.
6887 (unless (gnus-summary-article-sparse-p
6888 (gnus-summary-article-number))
6890 (gnus-summary-select-article)
6891 (set-buffer gnus-article-buffer)
6893 (goto-char (if backward (point-max) (point-min))))))))
6894 (gnus-message 7 ""))
6895 ;; Return whether we found the regexp.
6896 (when (eq found 'found)
6898 (gnus-summary-show-thread)
6899 (gnus-summary-goto-subject gnus-current-article)
6900 (gnus-summary-position-point)
6903 (defun gnus-summary-find-matching (header regexp &optional backward unread
6905 "Return a list of all articles that match REGEXP on HEADER.
6906 The search stars on the current article and goes forwards unless
6907 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
6908 If UNREAD is non-nil, only unread articles will
6909 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
6910 in the comparisons."
6911 (let ((data (if (eq backward 'all) gnus-newsgroup-data
6912 (gnus-data-find-list
6913 (gnus-summary-article-number) (gnus-data-list backward))))
6914 (case-fold-search (not not-case-fold))
6917 (if (eq (car header) 'extra)
6920 (or (cdr (assq ',(cdr header) (mail-header-extra h)))
6922 (error "%s is an invalid header" header))
6923 (unless (fboundp (intern (concat "mail-header-" header)))
6924 (error "%s is not a valid header" header))
6925 (setq func `(lambda (h) (,(intern (concat "mail-header-" header)) h))))
6928 (and (or (not unread) ; We want all articles...
6929 (gnus-data-unread-p d)) ; Or just unreads.
6930 (vectorp (gnus-data-header d)) ; It's not a pseudo.
6931 (string-match regexp (funcall func (gnus-data-header d))) ; Match.
6932 (push (gnus-data-number d) articles)) ; Success!
6933 (setq data (cdr data)))
6934 (nreverse articles)))
6936 (defun gnus-summary-execute-command (header regexp command &optional backward)
6937 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
6938 If HEADER is an empty string (or nil), the match is done on the entire
6939 article. If BACKWARD (the prefix) is non-nil, search backward instead."
6941 (list (let ((completion-ignore-case t))
6944 (mapcar (lambda (string) (list string))
6945 '("Number" "Subject" "From" "Lines" "Date"
6946 "Message-ID" "Xref" "References" "Body"))
6947 nil 'require-match))
6948 (read-string "Regexp: ")
6949 (read-key-sequence "Command: ")
6950 current-prefix-arg))
6951 (when (equal header "Body")
6953 ;; Hidden thread subtrees must be searched as well.
6954 (gnus-summary-show-all-threads)
6955 ;; We don't want to change current point nor window configuration.
6957 (save-window-excursion
6958 (gnus-message 6 "Executing %s..." (key-description command))
6959 ;; We'd like to execute COMMAND interactively so as to give arguments.
6960 (gnus-execute header regexp
6961 `(call-interactively ',(key-binding command))
6963 (gnus-message 6 "Executing %s...done" (key-description command)))))
6965 (defun gnus-summary-beginning-of-article ()
6966 "Scroll the article back to the beginning."
6968 (gnus-summary-select-article)
6969 (gnus-configure-windows 'article)
6970 (gnus-eval-in-buffer-window gnus-article-buffer
6972 (goto-char (point-min))
6973 (when gnus-page-broken
6974 (gnus-narrow-to-page))))
6976 (defun gnus-summary-end-of-article ()
6977 "Scroll to the end of the article."
6979 (gnus-summary-select-article)
6980 (gnus-configure-windows 'article)
6981 (gnus-eval-in-buffer-window gnus-article-buffer
6983 (goto-char (point-max))
6985 (when gnus-page-broken
6986 (gnus-narrow-to-page))))
6988 (defun gnus-summary-print-article (&optional filename n)
6989 "Generate and print a PostScript image of the N next (mail) articles.
6991 If N is negative, print the N previous articles. If N is nil and articles
6992 have been marked with the process mark, print these instead.
6994 If the optional first argument FILENAME is nil, send the image to the
6995 printer. If FILENAME is a string, save the PostScript image in a file with
6996 that name. If FILENAME is a number, prompt the user for the name of the file
6998 (interactive (list (ps-print-preprint current-prefix-arg)
6999 current-prefix-arg))
7000 (dolist (article (gnus-summary-work-articles n))
7001 (gnus-summary-select-article nil nil 'pseudo article)
7002 (gnus-eval-in-buffer-window gnus-article-buffer
7003 (let ((buffer (generate-new-buffer " *print*")))
7006 (copy-to-buffer buffer (point-min) (point-max))
7008 (gnus-article-delete-invisible-text)
7009 (let ((ps-left-header
7012 (mail-header-subject gnus-current-headers) ")")
7014 (mail-header-from gnus-current-headers) ")")))
7017 "/pagenumberstring load"
7019 (mail-header-date gnus-current-headers) ")"))))
7020 (gnus-run-hooks 'gnus-ps-print-hook)
7022 (ps-print-buffer-with-faces filename))))
7023 (kill-buffer buffer))))))
7025 (defun gnus-summary-show-article (&optional arg)
7026 "Force re-fetching of the current article.
7027 If ARG (the prefix) is non-nil, show the raw article without any
7028 article massaging functions being run."
7031 ;; Select the article the normal way.
7032 (gnus-summary-select-article nil 'force)
7033 ;; We have to require this here to make sure that the following
7034 ;; dynamic binding isn't shadowed by autoloading.
7035 (require 'gnus-async)
7037 ;; Bind the article treatment functions to nil.
7038 (let ((gnus-have-all-headers t)
7039 gnus-article-prepare-hook
7040 gnus-article-decode-hook
7041 gnus-display-mime-function
7044 ;; Destroy any MIME parts.
7045 (when (gnus-buffer-live-p gnus-article-buffer)
7047 (set-buffer gnus-article-buffer)
7048 (mm-destroy-parts gnus-article-mime-handles)))
7049 (gnus-summary-select-article nil 'force)))
7050 (gnus-summary-goto-subject gnus-current-article)
7051 (gnus-summary-position-point))
7053 (defun gnus-summary-verbose-headers (&optional arg)
7054 "Toggle permanent full header display.
7055 If ARG is a positive number, turn header display on.
7056 If ARG is a negative number, turn header display off."
7058 (setq gnus-show-all-headers
7059 (cond ((or (not (numberp arg))
7061 (not gnus-show-all-headers))
7064 (gnus-summary-show-article))
7066 (defun gnus-summary-toggle-header (&optional arg)
7067 "Show the headers if they are hidden, or hide them if they are shown.
7068 If ARG is a positive number, show the entire header.
7069 If ARG is a negative number, hide the unwanted header lines."
7072 (set-buffer gnus-article-buffer)
7074 (let* ((buffer-read-only nil)
7075 (inhibit-point-motion-hooks t)
7078 (article-narrow-to-head)
7079 (setq hidden (gnus-article-hidden-text-p 'headers)))
7080 (goto-char (point-min))
7081 (when (search-forward "\n\n" nil t)
7082 (delete-region (point-min) (1- (point))))
7083 (goto-char (point-min))
7085 (set-buffer gnus-original-article-buffer)
7086 (goto-char (point-min))
7087 (setq e (1- (or (search-forward "\n\n" nil t) (point-max)))))
7088 (insert-buffer-substring gnus-original-article-buffer 1 e)
7090 (narrow-to-region (point-min) (point))
7091 (article-decode-encoded-words)
7093 (and (numberp arg) (< arg 0)))
7094 (let ((gnus-treat-hide-headers nil)
7095 (gnus-treat-hide-boring-headers nil))
7096 (gnus-treat-article 'head))
7097 (gnus-treat-article 'head)))))))
7099 (defun gnus-summary-show-all-headers ()
7100 "Make all header lines visible."
7102 (gnus-article-show-all-headers))
7104 (defun gnus-summary-caesar-message (&optional arg)
7105 "Caesar rotate the current article by 13.
7106 The numerical prefix specifies how many places to rotate each letter
7109 (gnus-summary-select-article)
7110 (let ((mail-header-separator ""))
7111 (gnus-eval-in-buffer-window gnus-article-buffer
7114 (let ((start (window-start))
7116 (message-caesar-buffer-body arg)
7117 (set-window-start (get-buffer-window (current-buffer)) start))))))
7119 (defun gnus-summary-stop-page-breaking ()
7120 "Stop page breaking in the current article."
7122 (gnus-summary-select-article)
7123 (gnus-eval-in-buffer-window gnus-article-buffer
7125 (when (gnus-visual-p 'page-marker)
7126 (let ((buffer-read-only nil))
7127 (gnus-remove-text-with-property 'gnus-prev)
7128 (gnus-remove-text-with-property 'gnus-next))
7129 (setq gnus-page-broken nil))))
7131 (defun gnus-summary-move-article (&optional n to-newsgroup
7132 select-method action)
7133 "Move the current article to a different newsgroup.
7134 If N is a positive number, move the N next articles.
7135 If N is a negative number, move the N previous articles.
7136 If N is nil and any articles have been marked with the process mark,
7137 move those articles instead.
7138 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
7139 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
7140 re-spool using this method.
7142 For this function to work, both the current newsgroup and the
7143 newsgroup that you want to move to have to support the `request-move'
7144 and `request-accept' functions."
7147 (setq action 'move))
7148 ;; Disable marking as read.
7149 (let (gnus-mark-article-hook)
7150 (save-window-excursion
7151 (gnus-summary-select-article)))
7152 ;; Check whether the source group supports the required functions.
7153 (cond ((and (eq action 'move)
7154 (not (gnus-check-backend-function
7155 'request-move-article gnus-newsgroup-name)))
7156 (error "The current group does not support article moving"))
7157 ((and (eq action 'crosspost)
7158 (not (gnus-check-backend-function
7159 'request-replace-article gnus-newsgroup-name)))
7160 (error "The current group does not support article editing")))
7161 (let ((articles (gnus-summary-work-articles n))
7162 (prefix (gnus-group-real-prefix gnus-newsgroup-name))
7163 (names '((move "Move" "Moving")
7164 (copy "Copy" "Copying")
7165 (crosspost "Crosspost" "Crossposting")))
7166 (copy-buf (save-excursion
7167 (nnheader-set-temp-buffer " *copy article*")))
7168 art-group to-method new-xref article to-groups)
7169 (unless (assq action names)
7170 (error "Unknown action %s" action))
7171 ;; Read the newsgroup name.
7172 (when (and (not to-newsgroup)
7173 (not select-method))
7175 (gnus-read-move-group-name
7176 (cadr (assq action names))
7177 (symbol-value (intern (format "gnus-current-%s-group" action)))
7179 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
7180 (setq to-method (or select-method
7181 (gnus-group-name-to-method to-newsgroup)))
7182 ;; Check the method we are to move this article to...
7183 (unless (gnus-check-backend-function
7184 'request-accept-article (car to-method))
7185 (error "%s does not support article copying" (car to-method)))
7186 (unless (gnus-check-server to-method)
7187 (error "Can't open server %s" (car to-method)))
7188 (gnus-message 6 "%s to %s: %s..."
7189 (caddr (assq action names))
7190 (or (car select-method) to-newsgroup) articles)
7192 (setq article (pop articles))
7196 ;; Move the article.
7198 ;; Remove this article from future suppression.
7199 (gnus-dup-unsuppress-article article)
7200 (gnus-request-move-article
7201 article ; Article to move
7202 gnus-newsgroup-name ; From newsgroup
7203 (nth 1 (gnus-find-method-for-group
7204 gnus-newsgroup-name)) ; Server
7205 (list 'gnus-request-accept-article
7206 to-newsgroup (list 'quote select-method)
7207 (not articles) t) ; Accept form
7208 (not articles))) ; Only save nov last time
7209 ;; Copy the article.
7212 (set-buffer copy-buf)
7213 (when (gnus-request-article-this-buffer article gnus-newsgroup-name)
7214 (gnus-request-accept-article
7215 to-newsgroup select-method (not articles) t))))
7216 ;; Crosspost the article.
7217 ((eq action 'crosspost)
7218 (let ((xref (message-tokenize-header
7219 (mail-header-xref (gnus-summary-article-header article))
7221 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
7224 (setq xref (list (system-name))))
7227 (mapconcat 'identity
7228 (delete "Xref:" (delete new-xref xref))
7232 (set-buffer copy-buf)
7233 ;; First put the article in the destination group.
7234 (gnus-request-article-this-buffer article gnus-newsgroup-name)
7235 (when (consp (setq art-group
7236 (gnus-request-accept-article
7237 to-newsgroup select-method (not articles))))
7238 (setq new-xref (concat new-xref " " (car art-group)
7239 ":" (cdr art-group)))
7240 ;; Now we have the new Xrefs header, so we insert
7241 ;; it and replace the new article.
7242 (nnheader-replace-header "Xref" new-xref)
7243 (gnus-request-replace-article
7244 (cdr art-group) to-newsgroup (current-buffer))
7248 (gnus-message 1 "Couldn't %s article %s"
7249 (cadr (assq action names)) article))
7250 ((and (eq art-group 'junk)
7252 (gnus-summary-mark-article article gnus-canceled-mark)
7253 (gnus-message 4 "Deleted article %s" article))
7255 (let* ((pto-group (gnus-group-prefixed-name
7256 (car art-group) to-method))
7258 (gnus-gethash pto-group gnus-newsrc-hashtb))
7259 (info (nth 2 entry))
7260 (to-group (gnus-info-group info)))
7261 ;; Update the group that has been moved to.
7263 (memq action '(move copy)))
7264 (unless (member to-group to-groups)
7265 (push to-group to-groups))
7267 (unless (memq article gnus-newsgroup-unreads)
7269 info (gnus-add-to-range (gnus-info-read info)
7270 (list (cdr art-group)))))
7272 ;; Copy any marks over to the new group.
7273 (let ((marks gnus-article-mark-lists)
7274 (to-article (cdr art-group)))
7276 ;; See whether the article is to be put in the cache.
7277 (when gnus-use-cache
7278 (gnus-cache-possibly-enter-article
7280 (memq article gnus-newsgroup-marked)
7281 (memq article gnus-newsgroup-dormant)
7282 (memq article gnus-newsgroup-unreads)))
7284 (when (and (equal to-group gnus-newsgroup-name)
7285 (not (memq article gnus-newsgroup-unreads)))
7286 ;; Mark this article as read in this group.
7287 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
7288 (setcdr (gnus-active to-group) to-article)
7289 (setcdr gnus-newsgroup-active to-article))
7292 (when (memq article (symbol-value
7293 (intern (format "gnus-newsgroup-%s"
7295 ;; If the other group is the same as this group,
7296 ;; then we have to add the mark to the list.
7297 (when (equal to-group gnus-newsgroup-name)
7298 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
7301 (intern (format "gnus-newsgroup-%s"
7303 ;; Copy the marks to other group.
7304 (gnus-add-marked-articles
7305 to-group (cdar marks) (list to-article) info))
7306 (setq marks (cdr marks)))
7309 (concat "(gnus-group-set-info '"
7310 (gnus-prin1-to-string (gnus-get-info to-group))
7313 ;; Update the Xref header in this article to point to
7314 ;; the new crossposted article we have just created.
7315 (when (eq action 'crosspost)
7317 (set-buffer copy-buf)
7318 (gnus-request-article-this-buffer article gnus-newsgroup-name)
7319 (nnheader-replace-header "Xref" new-xref)
7320 (gnus-request-replace-article
7321 article gnus-newsgroup-name (current-buffer)))))
7323 ;;;!!!Why is this necessary?
7324 (set-buffer gnus-summary-buffer)
7326 (gnus-summary-goto-subject article)
7327 (when (eq action 'move)
7328 (gnus-summary-mark-article article gnus-canceled-mark))))
7329 (gnus-summary-remove-process-mark article))
7330 ;; Re-activate all groups that have been moved to.
7333 (set-buffer gnus-group-buffer)
7334 (when (gnus-group-goto-group (car to-groups) t)
7335 (gnus-group-get-new-news-this-group 1 t))
7338 (gnus-kill-buffer copy-buf)
7339 (gnus-summary-position-point)
7340 (gnus-set-mode-line 'summary)))
7342 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
7343 "Move the current article to a different newsgroup.
7344 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
7345 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
7346 re-spool using this method."
7348 (gnus-summary-move-article n to-newsgroup select-method 'copy))
7350 (defun gnus-summary-crosspost-article (&optional n)
7351 "Crosspost the current article to some other group."
7353 (gnus-summary-move-article n nil nil 'crosspost))
7355 (defcustom gnus-summary-respool-default-method nil
7356 "Default method for respooling an article.
7357 If nil, use to the current newsgroup method."
7358 :type '(choice (gnus-select-method :value (nnml ""))
7360 :group 'gnus-summary-mail)
7362 (defun gnus-summary-respool-article (&optional n method)
7363 "Respool the current article.
7364 The article will be squeezed through the mail spooling process again,
7365 which means that it will be put in some mail newsgroup or other
7366 depending on `nnmail-split-methods'.
7367 If N is a positive number, respool the N next articles.
7368 If N is a negative number, respool the N previous articles.
7369 If N is nil and any articles have been marked with the process mark,
7370 respool those articles instead.
7372 Respooling can be done both from mail groups and \"real\" newsgroups.
7373 In the former case, the articles in question will be moved from the
7374 current group into whatever groups they are destined to. In the
7375 latter case, they will be copied into the relevant groups."
7377 (list current-prefix-arg
7378 (let* ((methods (gnus-methods-using 'respool))
7380 (symbol-name (or gnus-summary-respool-default-method
7381 (car (gnus-find-method-for-group
7382 gnus-newsgroup-name)))))
7384 (gnus-completing-read
7385 methname "What backend do you want to use when respooling?"
7386 methods nil t nil 'gnus-mail-method-history))
7389 ((zerop (length (setq ms (gnus-servers-using-backend
7391 (list (intern method) ""))
7395 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
7396 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
7399 (error "No method given for respooling"))
7400 (if (assoc (symbol-name
7401 (car (gnus-find-method-for-group gnus-newsgroup-name)))
7402 (gnus-methods-using 'respool))
7403 (gnus-summary-move-article n nil method)
7404 (gnus-summary-copy-article n nil method)))
7406 (defun gnus-summary-import-article (file)
7407 "Import an arbitrary file into a mail newsgroup."
7408 (interactive "fImport file: ")
7409 (let ((group gnus-newsgroup-name)
7410 (now (current-time))
7412 (unless (gnus-check-backend-function 'request-accept-article group)
7413 (error "%s does not support article importing" group))
7414 (or (file-readable-p file)
7415 (not (file-regular-p file))
7416 (error "Can't read %s" file))
7418 (set-buffer (gnus-get-buffer-create " *import file*"))
7420 (insert-file-contents file)
7421 (goto-char (point-min))
7422 (unless (nnheader-article-p)
7423 ;; This doesn't look like an article, so we fudge some headers.
7424 (setq atts (file-attributes file)
7425 lines (count-lines (point-min) (point-max)))
7426 (insert "From: " (read-string "From: ") "\n"
7427 "Subject: " (read-string "Subject: ") "\n"
7428 "Date: " (message-make-date (nth 5 atts))
7430 "Message-ID: " (message-make-message-id) "\n"
7431 "Lines: " (int-to-string lines) "\n"
7432 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
7433 (gnus-request-accept-article group nil t)
7434 (kill-buffer (current-buffer)))))
7436 (defun gnus-summary-article-posted-p ()
7437 "Say whether the current (mail) article is available from `gnus-select-method' as well.
7438 This will be the case if the article has both been mailed and posted."
7440 (let ((id (mail-header-references (gnus-summary-article-header)))
7441 (gnus-override-method
7442 (or gnus-refer-article-method gnus-select-method)))
7443 (if (gnus-request-head id "")
7444 (gnus-message 2 "The current message was found on %s"
7445 gnus-override-method)
7446 (gnus-message 2 "The current message couldn't be found on %s"
7447 gnus-override-method)
7450 (defun gnus-summary-expire-articles (&optional now)
7451 "Expire all articles that are marked as expirable in the current group."
7453 (when (gnus-check-backend-function
7454 'request-expire-articles gnus-newsgroup-name)
7455 ;; This backend supports expiry.
7456 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
7457 (expirable (if total
7459 ;; We need to update the info for
7460 ;; this group for `gnus-list-of-read-articles'
7461 ;; to give us the right answer.
7462 (gnus-run-hooks 'gnus-exit-group-hook)
7463 (gnus-summary-update-info)
7464 (gnus-list-of-read-articles gnus-newsgroup-name))
7465 (setq gnus-newsgroup-expirable
7466 (sort gnus-newsgroup-expirable '<))))
7467 (expiry-wait (if now 'immediate
7468 (gnus-group-find-parameter
7469 gnus-newsgroup-name 'expiry-wait)))
7472 ;; There are expirable articles in this group, so we run them
7473 ;; through the expiry process.
7474 (gnus-message 6 "Expiring articles...")
7475 (unless (gnus-check-group gnus-newsgroup-name)
7476 (error "Can't open server for %s" gnus-newsgroup-name))
7477 ;; The list of articles that weren't expired is returned.
7480 (let ((nnmail-expiry-wait-function nil)
7481 (nnmail-expiry-wait expiry-wait))
7482 (setq es (gnus-request-expire-articles
7483 expirable gnus-newsgroup-name)))
7484 (setq es (gnus-request-expire-articles
7485 expirable gnus-newsgroup-name))))
7487 (setq gnus-newsgroup-expirable es))
7488 ;; We go through the old list of expirable, and mark all
7489 ;; really expired articles as nonexistent.
7490 (unless (eq es expirable) ;If nothing was expired, we don't mark.
7491 (let ((gnus-use-cache nil))
7493 (unless (memq (car expirable) es)
7494 (when (gnus-data-find (car expirable))
7495 (gnus-summary-mark-article
7496 (car expirable) gnus-canceled-mark)))
7497 (setq expirable (cdr expirable)))))
7498 (gnus-message 6 "Expiring articles...done")))))
7500 (defun gnus-summary-expire-articles-now ()
7501 "Expunge all expirable articles in the current group.
7502 This means that *all* articles that are marked as expirable will be
7503 deleted forever, right now."
7505 (or gnus-expert-user
7507 "Are you really, really, really sure you want to delete all these messages? ")
7509 (gnus-summary-expire-articles t))
7511 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
7512 (defun gnus-summary-delete-article (&optional n)
7513 "Delete the N next (mail) articles.
7514 This command actually deletes articles. This is not a marking
7515 command. The article will disappear forever from your life, never to
7517 If N is negative, delete backwards.
7518 If N is nil and articles have been marked with the process mark,
7519 delete these instead."
7521 (unless (gnus-check-backend-function 'request-expire-articles
7522 gnus-newsgroup-name)
7523 (error "The current newsgroup does not support article deletion"))
7524 ;; Compute the list of articles to delete.
7525 (let ((articles (sort (copy-sequence (gnus-summary-work-articles n)) '<))
7527 (if (and gnus-novice-user
7528 (not (gnus-yes-or-no-p
7529 (format "Do you really want to delete %s forever? "
7530 (if (> (length articles) 1)
7531 (format "these %s articles" (length articles))
7534 ;; Delete the articles.
7535 (setq not-deleted (gnus-request-expire-articles
7536 articles gnus-newsgroup-name 'force))
7538 (gnus-summary-remove-process-mark (car articles))
7539 ;; The backend might not have been able to delete the article
7541 (unless (memq (car articles) not-deleted)
7542 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
7543 (setq articles (cdr articles)))
7545 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
7546 (gnus-summary-position-point)
7547 (gnus-set-mode-line 'summary)
7550 (defun gnus-summary-edit-article (&optional force)
7551 "Edit the current article.
7552 This will have permanent effect only in mail groups.
7553 If FORCE is non-nil, allow editing of articles even in read-only
7556 (let ((mail-parse-charset gnus-newsgroup-charset))
7558 (set-buffer gnus-summary-buffer)
7559 (gnus-set-global-variables)
7560 (when (and (not force)
7561 (gnus-group-read-only-p))
7562 (error "The current newsgroup does not support article editing"))
7563 (gnus-summary-show-article t)
7564 (gnus-article-edit-article
7566 `(lambda (no-highlight)
7567 (let ((mail-parse-charset ',gnus-newsgroup-charset))
7569 (gnus-summary-edit-article-done
7570 ,(or (mail-header-references gnus-current-headers) "")
7571 ,(gnus-group-read-only-p) ,gnus-summary-buffer no-highlight)))))))
7573 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
7575 (defun gnus-summary-edit-article-done (&optional references read-only buffer
7577 "Make edits to the current article permanent."
7579 ;; Replace the article.
7580 (let ((buf (current-buffer)))
7582 (insert-buffer-substring buf)
7583 (if (and (not read-only)
7584 (not (gnus-request-replace-article
7585 (cdr gnus-article-current) (car gnus-article-current)
7586 (current-buffer) t)))
7587 (error "Couldn't replace article")
7588 ;; Update the summary buffer.
7590 (equal (message-tokenize-header references " ")
7591 (message-tokenize-header
7592 (or (message-fetch-field "references") "") " ")))
7593 ;; We only have to update this line.
7596 (message-narrow-to-head)
7597 (let ((head (buffer-string))
7600 (insert (format "211 %d Article retrieved.\n"
7601 (cdr gnus-article-current)))
7604 (let ((nntp-server-buffer (current-buffer)))
7605 (setq header (car (gnus-get-newsgroup-headers
7607 (set-buffer gnus-summary-buffer)
7608 gnus-newsgroup-dependencies)
7611 (set-buffer gnus-summary-buffer)
7612 (gnus-data-set-header
7613 (gnus-data-find (cdr gnus-article-current))
7615 (gnus-summary-update-article-line
7616 (cdr gnus-article-current) header))))))
7618 (set-buffer (or buffer gnus-summary-buffer))
7619 (gnus-summary-update-article (cdr gnus-article-current)))
7620 ;; Prettify the article buffer again.
7621 (unless no-highlight
7623 (set-buffer gnus-article-buffer)
7624 ;;;!!! Fix this -- article should be rehighlighted.
7625 ;;;(gnus-run-hooks 'gnus-article-display-hook)
7626 (set-buffer gnus-original-article-buffer)
7627 (gnus-request-article
7628 (cdr gnus-article-current)
7629 (car gnus-article-current) (current-buffer))))
7630 ;; Prettify the summary buffer line.
7631 (when (gnus-visual-p 'summary-highlight 'highlight)
7632 (gnus-run-hooks 'gnus-visual-mark-article-hook))))))
7634 (defun gnus-summary-edit-wash (key)
7635 "Perform editing command KEY in the article buffer."
7639 (message "%s" (concat (this-command-keys) "- "))
7642 (gnus-summary-edit-article)
7643 (execute-kbd-macro (concat (this-command-keys) key))
7644 (gnus-article-edit-done))
7648 (defun gnus-summary-respool-query (&optional silent trace)
7649 "Query where the respool algorithm would put this article."
7651 (let (gnus-mark-article-hook)
7652 (gnus-summary-select-article)
7654 (set-buffer gnus-original-article-buffer)
7656 (message-narrow-to-head)
7657 (let ((groups (nnmail-article-group 'identity trace)))
7660 (message "This message would go to %s"
7661 (mapconcat 'car groups ", "))
7662 (message "This message would go to no groups"))
7665 (defun gnus-summary-respool-trace ()
7666 "Trace where the respool algorithm would put this article.
7667 Display a buffer showing all fancy splitting patterns which matched."
7669 (gnus-summary-respool-query nil t))
7671 ;; Summary marking commands.
7673 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
7674 "Mark articles which has the same subject as read, and then select the next.
7675 If UNMARK is positive, remove any kind of mark.
7676 If UNMARK is negative, tick articles."
7679 (setq unmark (prefix-numeric-value unmark)))
7681 (gnus-summary-mark-same-subject
7682 (gnus-summary-article-subject) unmark)))
7683 ;; Select next unread article. If auto-select-same mode, should
7684 ;; select the first unread article.
7685 (gnus-summary-next-article t (and gnus-auto-select-same
7686 (gnus-summary-article-subject)))
7687 (gnus-message 7 "%d article%s marked as %s"
7688 count (if (= count 1) " is" "s are")
7689 (if unmark "unread" "read"))))
7691 (defun gnus-summary-kill-same-subject (&optional unmark)
7692 "Mark articles which has the same subject as read.
7693 If UNMARK is positive, remove any kind of mark.
7694 If UNMARK is negative, tick articles."
7697 (setq unmark (prefix-numeric-value unmark)))
7699 (gnus-summary-mark-same-subject
7700 (gnus-summary-article-subject) unmark)))
7701 ;; If marked as read, go to next unread subject.
7703 ;; Go to next unread subject.
7704 (gnus-summary-next-subject 1 t))
7705 (gnus-message 7 "%d articles are marked as %s"
7706 count (if unmark "unread" "read"))))
7708 (defun gnus-summary-mark-same-subject (subject &optional unmark)
7709 "Mark articles with same SUBJECT as read, and return marked number.
7710 If optional argument UNMARK is positive, remove any kinds of marks.
7711 If optional argument UNMARK is negative, mark articles as unread instead."
7715 ((null unmark) ; Mark as read.
7718 (gnus-summary-mark-article-as-read gnus-killed-mark)
7719 (gnus-summary-show-thread) t)
7720 (gnus-summary-find-subject subject))
7721 (setq count (1+ count))))
7722 ((> unmark 0) ; Tick.
7725 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
7726 (gnus-summary-show-thread) t)
7727 (gnus-summary-find-subject subject))
7728 (setq count (1+ count))))
7729 (t ; Mark as unread.
7732 (gnus-summary-mark-article-as-unread gnus-unread-mark)
7733 (gnus-summary-show-thread) t)
7734 (gnus-summary-find-subject subject))
7735 (setq count (1+ count)))))
7736 (gnus-set-mode-line 'summary)
7737 ;; Return the number of marked articles.
7740 (defun gnus-summary-mark-as-processable (n &optional unmark)
7741 "Set the process mark on the next N articles.
7742 If N is negative, mark backward instead. If UNMARK is non-nil, remove
7743 the process mark instead. The difference between N and the actual
7744 number of articles marked is returned."
7746 (let ((backward (< n 0))
7751 (gnus-summary-remove-process-mark
7752 (gnus-summary-article-number))
7753 (gnus-summary-set-process-mark (gnus-summary-article-number)))
7754 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
7757 (gnus-message 7 "No more articles"))
7758 (gnus-summary-recenter)
7759 (gnus-summary-position-point)
7762 (defun gnus-summary-unmark-as-processable (n)
7763 "Remove the process mark from the next N articles.
7764 If N is negative, unmark backward instead. The difference between N and
7765 the actual number of articles unmarked is returned."
7767 (gnus-summary-mark-as-processable n t))
7769 (defun gnus-summary-unmark-all-processable ()
7770 "Remove the process mark from all articles."
7773 (while gnus-newsgroup-processable
7774 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
7775 (gnus-summary-position-point))
7777 (defun gnus-summary-mark-as-expirable (n)
7778 "Mark N articles forward as expirable.
7779 If N is negative, mark backward instead. The difference between N and
7780 the actual number of articles marked is returned."
7782 (gnus-summary-mark-forward n gnus-expirable-mark))
7784 (defun gnus-summary-mark-article-as-replied (article)
7785 "Mark ARTICLE replied and update the summary line."
7786 (push article gnus-newsgroup-replied)
7787 (let ((buffer-read-only nil))
7788 (when (gnus-summary-goto-subject article nil t)
7789 (gnus-summary-update-secondary-mark article))))
7791 (defun gnus-summary-set-bookmark (article)
7792 "Set a bookmark in current article."
7793 (interactive (list (gnus-summary-article-number)))
7794 (when (or (not (get-buffer gnus-article-buffer))
7795 (not gnus-current-article)
7796 (not gnus-article-current)
7797 (not (equal gnus-newsgroup-name (car gnus-article-current))))
7798 (error "No current article selected"))
7799 ;; Remove old bookmark, if one exists.
7800 (let ((old (assq article gnus-newsgroup-bookmarks)))
7802 (setq gnus-newsgroup-bookmarks
7803 (delq old gnus-newsgroup-bookmarks))))
7804 ;; Set the new bookmark, which is on the form
7805 ;; (article-number . line-number-in-body).
7809 (set-buffer gnus-article-buffer)
7813 (goto-char (point-min))
7814 (search-forward "\n\n" nil t)
7817 gnus-newsgroup-bookmarks)
7818 (gnus-message 6 "A bookmark has been added to the current article."))
7820 (defun gnus-summary-remove-bookmark (article)
7821 "Remove the bookmark from the current article."
7822 (interactive (list (gnus-summary-article-number)))
7823 ;; Remove old bookmark, if one exists.
7824 (let ((old (assq article gnus-newsgroup-bookmarks)))
7827 (setq gnus-newsgroup-bookmarks
7828 (delq old gnus-newsgroup-bookmarks))
7829 (gnus-message 6 "Removed bookmark."))
7830 (gnus-message 6 "No bookmark in current article."))))
7832 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
7833 (defun gnus-summary-mark-as-dormant (n)
7834 "Mark N articles forward as dormant.
7835 If N is negative, mark backward instead. The difference between N and
7836 the actual number of articles marked is returned."
7838 (gnus-summary-mark-forward n gnus-dormant-mark))
7840 (defun gnus-summary-set-process-mark (article)
7841 "Set the process mark on ARTICLE and update the summary line."
7842 (setq gnus-newsgroup-processable
7844 (delq article gnus-newsgroup-processable)))
7845 (when (gnus-summary-goto-subject article)
7846 (gnus-summary-show-thread)
7847 (gnus-summary-goto-subject article)
7848 (gnus-summary-update-secondary-mark article)))
7850 (defun gnus-summary-remove-process-mark (article)
7851 "Remove the process mark from ARTICLE and update the summary line."
7852 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
7853 (when (gnus-summary-goto-subject article)
7854 (gnus-summary-show-thread)
7855 (gnus-summary-goto-subject article)
7856 (gnus-summary-update-secondary-mark article)))
7858 (defun gnus-summary-set-saved-mark (article)
7859 "Set the process mark on ARTICLE and update the summary line."
7860 (push article gnus-newsgroup-saved)
7861 (when (gnus-summary-goto-subject article)
7862 (gnus-summary-update-secondary-mark article)))
7864 (defun gnus-summary-mark-forward (n &optional mark no-expire)
7865 "Mark N articles as read forwards.
7866 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
7867 The difference between N and the actual number of articles marked is
7870 (gnus-summary-show-thread)
7871 (let ((backward (< n 0))
7872 (gnus-summary-goto-unread
7873 (and gnus-summary-goto-unread
7874 (not (eq gnus-summary-goto-unread 'never))
7875 (not (memq mark (list gnus-unread-mark
7876 gnus-ticked-mark gnus-dormant-mark)))))
7878 (mark (or mark gnus-del-mark)))
7880 (gnus-summary-mark-article nil mark no-expire)
7881 (zerop (gnus-summary-next-subject
7883 (and gnus-summary-goto-unread
7884 (not (eq gnus-summary-goto-unread 'never)))
7888 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
7889 (gnus-summary-recenter)
7890 (gnus-summary-position-point)
7891 (gnus-set-mode-line 'summary)
7894 (defun gnus-summary-mark-article-as-read (mark)
7895 "Mark the current article quickly as read with MARK."
7896 (let ((article (gnus-summary-article-number)))
7897 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
7898 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
7899 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
7900 (push (cons article mark) gnus-newsgroup-reads)
7901 ;; Possibly remove from cache, if that is used.
7902 (when gnus-use-cache
7903 (gnus-cache-enter-remove-article article))
7904 ;; Allow the backend to change the mark.
7905 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
7906 ;; Check for auto-expiry.
7907 (when (and gnus-newsgroup-auto-expire
7908 (memq mark gnus-auto-expirable-marks))
7909 (setq mark gnus-expirable-mark)
7910 ;; Let the backend know about the mark change.
7911 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
7912 (push article gnus-newsgroup-expirable))
7913 ;; Set the mark in the buffer.
7914 (gnus-summary-update-mark mark 'unread)
7917 (defun gnus-summary-mark-article-as-unread (mark)
7918 "Mark the current article quickly as unread with MARK."
7919 (let* ((article (gnus-summary-article-number))
7920 (old-mark (gnus-summary-article-mark article)))
7921 ;; Allow the backend to change the mark.
7922 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
7923 (if (eq mark old-mark)
7927 (gnus-error 1 "Can't mark negative article numbers")
7929 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
7930 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
7931 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
7932 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
7933 (cond ((= mark gnus-ticked-mark)
7934 (push article gnus-newsgroup-marked))
7935 ((= mark gnus-dormant-mark)
7936 (push article gnus-newsgroup-dormant))
7938 (push article gnus-newsgroup-unreads)))
7939 (gnus-pull article gnus-newsgroup-reads)
7941 ;; See whether the article is to be put in the cache.
7943 (vectorp (gnus-summary-article-header article))
7945 (gnus-cache-possibly-enter-article
7946 gnus-newsgroup-name article
7947 (= mark gnus-ticked-mark)
7948 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
7951 (gnus-summary-update-mark mark 'unread)
7954 (defun gnus-summary-mark-article (&optional article mark no-expire)
7955 "Mark ARTICLE with MARK. MARK can be any character.
7956 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
7957 `??' (dormant) and `?E' (expirable).
7958 If MARK is nil, then the default character `?r' is used.
7959 If ARTICLE is nil, then the article on the current line will be
7961 ;; The mark might be a string.
7962 (when (stringp mark)
7963 (setq mark (aref mark 0)))
7964 ;; If no mark is given, then we check auto-expiring.
7966 (setq mark gnus-del-mark))
7967 (when (and (not no-expire)
7968 gnus-newsgroup-auto-expire
7969 (memq mark gnus-auto-expirable-marks))
7970 (setq mark gnus-expirable-mark))
7971 (let ((article (or article (gnus-summary-article-number)))
7972 (old-mark (gnus-summary-article-mark article)))
7973 ;; Allow the backend to change the mark.
7974 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
7975 (if (eq mark old-mark)
7978 (error "No article on current line"))
7979 (if (not (if (or (= mark gnus-unread-mark)
7980 (= mark gnus-ticked-mark)
7981 (= mark gnus-dormant-mark))
7982 (gnus-mark-article-as-unread article mark)
7983 (gnus-mark-article-as-read article mark)))
7985 ;; See whether the article is to be put in the cache.
7987 (not (= mark gnus-canceled-mark))
7988 (vectorp (gnus-summary-article-header article))
7990 (gnus-cache-possibly-enter-article
7991 gnus-newsgroup-name article
7992 (= mark gnus-ticked-mark)
7993 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
7995 (when (gnus-summary-goto-subject article nil t)
7996 (let ((buffer-read-only nil))
7997 (gnus-summary-show-thread)
7999 (gnus-summary-update-mark mark 'unread)
8002 (defun gnus-summary-update-secondary-mark (article)
8003 "Update the secondary (read, process, cache) mark."
8004 (gnus-summary-update-mark
8005 (cond ((memq article gnus-newsgroup-processable)
8007 ((memq article gnus-newsgroup-cached)
8009 ((memq article gnus-newsgroup-replied)
8011 ((memq article gnus-newsgroup-saved)
8013 (t gnus-unread-mark))
8015 (when (gnus-visual-p 'summary-highlight 'highlight)
8016 (gnus-run-hooks 'gnus-summary-update-hook))
8019 (defun gnus-summary-update-mark (mark type)
8020 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
8021 (buffer-read-only nil))
8022 (re-search-backward "[\n\r]" (gnus-point-at-bol) 'move-to-limit)
8024 (when (looking-at "\r")
8026 (when (<= (+ forward (point)) (point-max))
8027 ;; Go to the right position on the line.
8028 (goto-char (+ forward (point)))
8029 ;; Replace the old mark with the new mark.
8030 (subst-char-in-region (point) (1+ (point)) (char-after) mark)
8031 ;; Optionally update the marks by some user rule.
8032 (when (eq type 'unread)
8034 (gnus-data-find (gnus-summary-article-number)) mark)
8035 (gnus-summary-update-line (eq mark gnus-unread-mark)))))))
8037 (defun gnus-mark-article-as-read (article &optional mark)
8038 "Enter ARTICLE in the pertinent lists and remove it from others."
8039 ;; Make the article expirable.
8040 (let ((mark (or mark gnus-del-mark)))
8041 (if (= mark gnus-expirable-mark)
8042 (push article gnus-newsgroup-expirable)
8043 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)))
8044 ;; Remove from unread and marked lists.
8045 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
8046 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
8047 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
8048 (push (cons article mark) gnus-newsgroup-reads)
8049 ;; Possibly remove from cache, if that is used.
8050 (when gnus-use-cache
8051 (gnus-cache-enter-remove-article article))
8054 (defun gnus-mark-article-as-unread (article &optional mark)
8055 "Enter ARTICLE in the pertinent lists and remove it from others."
8056 (let ((mark (or mark gnus-ticked-mark)))
8059 (gnus-error 1 "Can't mark negative article numbers")
8061 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
8062 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
8063 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
8064 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
8066 ;; Unsuppress duplicates?
8067 (when gnus-suppress-duplicates
8068 (gnus-dup-unsuppress-article article))
8070 (cond ((= mark gnus-ticked-mark)
8071 (push article gnus-newsgroup-marked))
8072 ((= mark gnus-dormant-mark)
8073 (push article gnus-newsgroup-dormant))
8075 (push article gnus-newsgroup-unreads)))
8076 (gnus-pull article gnus-newsgroup-reads)
8079 (defalias 'gnus-summary-mark-as-unread-forward
8080 'gnus-summary-tick-article-forward)
8081 (make-obsolete 'gnus-summary-mark-as-unread-forward
8082 'gnus-summary-tick-article-forward)
8083 (defun gnus-summary-tick-article-forward (n)
8084 "Tick N articles forwards.
8085 If N is negative, tick backwards instead.
8086 The difference between N and the number of articles ticked is returned."
8088 (gnus-summary-mark-forward n gnus-ticked-mark))
8090 (defalias 'gnus-summary-mark-as-unread-backward
8091 'gnus-summary-tick-article-backward)
8092 (make-obsolete 'gnus-summary-mark-as-unread-backward
8093 'gnus-summary-tick-article-backward)
8094 (defun gnus-summary-tick-article-backward (n)
8095 "Tick N articles backwards.
8096 The difference between N and the number of articles ticked is returned."
8098 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
8100 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
8101 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
8102 (defun gnus-summary-tick-article (&optional article clear-mark)
8103 "Mark current article as unread.
8104 Optional 1st argument ARTICLE specifies article number to be marked as unread.
8105 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
8107 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
8110 (defun gnus-summary-mark-as-read-forward (n)
8111 "Mark N articles as read forwards.
8112 If N is negative, mark backwards instead.
8113 The difference between N and the actual number of articles marked is
8116 (gnus-summary-mark-forward n gnus-del-mark gnus-inhibit-user-auto-expire))
8118 (defun gnus-summary-mark-as-read-backward (n)
8119 "Mark the N articles as read backwards.
8120 The difference between N and the actual number of articles marked is
8123 (gnus-summary-mark-forward
8124 (- n) gnus-del-mark gnus-inhibit-user-auto-expire))
8126 (defun gnus-summary-mark-as-read (&optional article mark)
8127 "Mark current article as read.
8128 ARTICLE specifies the article to be marked as read.
8129 MARK specifies a string to be inserted at the beginning of the line."
8130 (gnus-summary-mark-article article mark))
8132 (defun gnus-summary-clear-mark-forward (n)
8133 "Clear marks from N articles forward.
8134 If N is negative, clear backward instead.
8135 The difference between N and the number of marks cleared is returned."
8137 (gnus-summary-mark-forward n gnus-unread-mark))
8139 (defun gnus-summary-clear-mark-backward (n)
8140 "Clear marks from N articles backward.
8141 The difference between N and the number of marks cleared is returned."
8143 (gnus-summary-mark-forward (- n) gnus-unread-mark))
8145 (defun gnus-summary-mark-unread-as-read ()
8146 "Intended to be used by `gnus-summary-mark-article-hook'."
8147 (when (memq gnus-current-article gnus-newsgroup-unreads)
8148 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
8150 (defun gnus-summary-mark-read-and-unread-as-read ()
8151 "Intended to be used by `gnus-summary-mark-article-hook'."
8152 (let ((mark (gnus-summary-article-mark)))
8153 (when (or (gnus-unread-mark-p mark)
8154 (gnus-read-mark-p mark))
8155 (gnus-summary-mark-article gnus-current-article gnus-read-mark))))
8157 (defun gnus-summary-mark-region-as-read (point mark all)
8158 "Mark all unread articles between point and mark as read.
8159 If given a prefix, mark all articles between point and mark as read,
8160 even ticked and dormant ones."
8161 (interactive "r\nP")
8170 (memq (setq article (gnus-summary-article-number))
8171 gnus-newsgroup-unreads))
8172 (gnus-summary-mark-article article gnus-del-mark))
8174 (gnus-summary-find-next))))))
8176 (defun gnus-summary-mark-below (score mark)
8177 "Mark articles with score less than SCORE with MARK."
8178 (interactive "P\ncMark: ")
8179 (setq score (if score
8180 (prefix-numeric-value score)
8181 (or gnus-summary-default-score 0)))
8183 (set-buffer gnus-summary-buffer)
8184 (goto-char (point-min))
8187 (and (< (gnus-summary-article-score) score)
8188 (gnus-summary-mark-article nil mark))
8189 (gnus-summary-find-next)))))
8191 (defun gnus-summary-kill-below (&optional score)
8192 "Mark articles with score below SCORE as read."
8194 (gnus-summary-mark-below score gnus-killed-mark))
8196 (defun gnus-summary-clear-above (&optional score)
8197 "Clear all marks from articles with score above SCORE."
8199 (gnus-summary-mark-above score gnus-unread-mark))
8201 (defun gnus-summary-tick-above (&optional score)
8202 "Tick all articles with score above SCORE."
8204 (gnus-summary-mark-above score gnus-ticked-mark))
8206 (defun gnus-summary-mark-above (score mark)
8207 "Mark articles with score over SCORE with MARK."
8208 (interactive "P\ncMark: ")
8209 (setq score (if score
8210 (prefix-numeric-value score)
8211 (or gnus-summary-default-score 0)))
8213 (set-buffer gnus-summary-buffer)
8214 (goto-char (point-min))
8216 (when (> (gnus-summary-article-score) score)
8217 (gnus-summary-mark-article nil mark))
8219 (gnus-summary-find-next)))))
8221 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
8222 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
8223 (defun gnus-summary-limit-include-expunged (&optional no-error)
8224 "Display all the hidden articles that were expunged for low scores."
8226 (let ((buffer-read-only nil))
8227 (let ((scored gnus-newsgroup-scored)
8230 (unless (gnus-summary-goto-subject (caar scored))
8231 (and (setq h (gnus-summary-article-header (caar scored)))
8232 (< (cdar scored) gnus-summary-expunge-below)
8234 (setq scored (cdr scored)))
8236 (when (not no-error)
8237 (error "No expunged articles hidden"))
8238 (goto-char (point-min))
8239 (gnus-summary-prepare-unthreaded (nreverse headers))
8240 (goto-char (point-min))
8241 (gnus-summary-position-point)
8244 (defun gnus-summary-catchup (&optional all quietly to-here not-mark)
8245 "Mark all unread articles in this newsgroup as read.
8246 If prefix argument ALL is non-nil, ticked and dormant articles will
8247 also be marked as read.
8248 If QUIETLY is non-nil, no questions will be asked.
8249 If TO-HERE is non-nil, it should be a point in the buffer. All
8250 articles before this point will be marked as read.
8251 Note that this function will only catch up the unread article
8252 in the current summary buffer limitation.
8253 The number of articles marked as read is returned."
8258 (not gnus-interactive-catchup) ;Without confirmation?
8262 "Mark absolutely all articles as read? "
8263 "Mark all unread articles as read? ")))
8265 (not gnus-newsgroup-adaptive)
8266 (not gnus-newsgroup-auto-expire)
8267 (not gnus-suppress-duplicates)
8268 (or (not gnus-use-cache)
8269 (eq gnus-use-cache 'passive)))
8272 (setq gnus-newsgroup-marked nil
8273 gnus-newsgroup-dormant nil))
8274 (setq gnus-newsgroup-unreads gnus-newsgroup-downloadable))
8275 ;; We actually mark all articles as canceled, which we
8276 ;; have to do when using auto-expiry or adaptive scoring.
8277 (gnus-summary-show-all-threads)
8278 (when (gnus-summary-first-subject (not all) t)
8280 (if to-here (< (point) to-here) t)
8281 (gnus-summary-mark-article-as-read gnus-catchup-mark)
8282 (gnus-summary-find-next (not all) nil nil t))))
8283 (gnus-set-mode-line 'summary))
8285 (gnus-summary-position-point)))
8287 (defun gnus-summary-catchup-to-here (&optional all)
8288 "Mark all unticked articles before the current one as read.
8289 If ALL is non-nil, also mark ticked and dormant articles as read."
8292 (gnus-save-hidden-threads
8293 (let ((beg (point)))
8294 ;; We check that there are unread articles.
8295 (when (or all (gnus-summary-find-prev))
8296 (gnus-summary-catchup all t beg)))))
8297 (gnus-summary-position-point))
8299 (defun gnus-summary-catchup-all (&optional quietly)
8300 "Mark all articles in this newsgroup as read."
8302 (gnus-summary-catchup t quietly))
8304 (defun gnus-summary-catchup-and-exit (&optional all quietly)
8305 "Mark all articles not marked as unread in this newsgroup as read, then exit.
8306 If prefix argument ALL is non-nil, all articles are marked as read."
8308 (when (gnus-summary-catchup all quietly nil 'fast)
8309 ;; Select next newsgroup or exit.
8310 (if (and (not (gnus-group-quit-config gnus-newsgroup-name))
8311 (eq gnus-auto-select-next 'quietly))
8312 (gnus-summary-next-group nil)
8313 (gnus-summary-exit))))
8315 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
8316 "Mark all articles in this newsgroup as read, and then exit."
8318 (gnus-summary-catchup-and-exit t quietly))
8320 ;; Suggested by "Arne Eofsson" <arne@hodgkin.mbi.ucla.edu>.
8321 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
8322 "Mark all articles in this group as read and select the next group.
8323 If given a prefix, mark all articles, unread as well as ticked, as
8327 (gnus-summary-catchup all))
8328 (gnus-summary-next-article t nil nil t))
8330 ;; Thread-based commands.
8332 (defun gnus-summary-articles-in-thread (&optional article)
8333 "Return a list of all articles in the current thread.
8334 If ARTICLE is non-nil, return all articles in the thread that starts
8336 (let* ((article (or article (gnus-summary-article-number)))
8337 (data (gnus-data-find-list article))
8338 (top-level (gnus-data-level (car data)))
8340 (cond ((null gnus-thread-operation-ignore-subject)
8341 (gnus-simplify-subject-re
8342 (mail-header-subject (gnus-data-header (car data)))))
8343 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
8344 (gnus-simplify-subject-fuzzy
8345 (mail-header-subject (gnus-data-header (car data)))))
8347 (end-point (save-excursion
8348 (if (gnus-summary-go-to-next-thread)
8349 (point) (point-max))))
8352 (< (gnus-data-pos (car data)) end-point))
8353 (when (or (not top-subject)
8354 (string= top-subject
8355 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
8356 (gnus-simplify-subject-fuzzy
8357 (mail-header-subject
8358 (gnus-data-header (car data))))
8359 (gnus-simplify-subject-re
8360 (mail-header-subject
8361 (gnus-data-header (car data)))))))
8362 (push (gnus-data-number (car data)) articles))
8363 (unless (and (setq data (cdr data))
8364 (> (gnus-data-level (car data)) top-level))
8366 ;; Return the list of articles.
8367 (nreverse articles)))
8369 (defun gnus-summary-rethread-current ()
8370 "Rethread the thread the current article is part of."
8372 (let* ((gnus-show-threads t)
8373 (article (gnus-summary-article-number))
8374 (id (mail-header-id (gnus-summary-article-header)))
8375 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
8377 (error "No article on the current line"))
8378 (gnus-rebuild-thread id)
8379 (gnus-summary-goto-subject article)))
8381 (defun gnus-summary-reparent-thread ()
8382 "Make the current article child of the marked (or previous) article.
8384 Note that the re-threading will only work if `gnus-thread-ignore-subject'
8385 is non-nil or the Subject: of both articles are the same."
8387 (unless (not (gnus-group-read-only-p))
8388 (error "The current newsgroup does not support article editing"))
8389 (unless (<= (length gnus-newsgroup-processable) 1)
8390 (error "No more than one article may be marked"))
8391 (save-window-excursion
8392 (let ((gnus-article-buffer " *reparent*")
8393 (current-article (gnus-summary-article-number))
8394 ;; First grab the marked article, otherwise one line up.
8395 (parent-article (if (not (null gnus-newsgroup-processable))
8396 (car gnus-newsgroup-processable)
8398 (if (eq (forward-line -1) 0)
8399 (gnus-summary-article-number)
8400 (error "Beginning of summary buffer"))))))
8401 (unless (not (eq current-article parent-article))
8402 (error "An article may not be self-referential"))
8403 (let ((message-id (mail-header-id
8404 (gnus-summary-article-header parent-article))))
8405 (unless (and message-id (not (equal message-id "")))
8406 (error "No message-id in desired parent"))
8407 (gnus-with-article current-article
8408 (goto-char (point-min))
8409 (if (re-search-forward "^References: " nil t)
8411 (re-search-forward "^[^ \t]" nil t)
8414 (insert " " message-id))
8415 (insert "References: " message-id "\n")))
8416 (set-buffer gnus-summary-buffer)
8417 (gnus-summary-unmark-all-processable)
8418 (gnus-summary-update-article current-article)
8419 (gnus-summary-rethread-current)
8420 (gnus-message 3 "Article %d is now the child of article %d"
8421 current-article parent-article)))))
8423 (defun gnus-summary-toggle-threads (&optional arg)
8424 "Toggle showing conversation threads.
8425 If ARG is positive number, turn showing conversation threads on."
8427 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
8428 (setq gnus-show-threads
8429 (if (null arg) (not gnus-show-threads)
8430 (> (prefix-numeric-value arg) 0)))
8431 (gnus-summary-prepare)
8432 (gnus-summary-goto-subject current)
8433 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
8434 (gnus-summary-position-point)))
8436 (defun gnus-summary-show-all-threads ()
8440 (let ((buffer-read-only nil))
8441 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
8442 (gnus-summary-position-point))
8444 (defun gnus-summary-show-thread ()
8445 "Show thread subtrees.
8446 Returns nil if no thread was there to be shown."
8448 (let ((buffer-read-only nil)
8450 ;; first goto end then to beg, to have point at beg after let
8451 (end (progn (end-of-line) (point)))
8452 (beg (progn (beginning-of-line) (point))))
8454 ;; Any hidden lines here?
8455 (search-forward "\r" end t)
8456 (subst-char-in-region beg end ?\^M ?\n t)
8458 (gnus-summary-position-point))))
8460 (defun gnus-summary-hide-all-threads ()
8461 "Hide all thread subtrees."
8464 (goto-char (point-min))
8465 (gnus-summary-hide-thread)
8466 (while (zerop (gnus-summary-next-thread 1 t))
8467 (gnus-summary-hide-thread)))
8468 (gnus-summary-position-point))
8470 (defun gnus-summary-hide-thread ()
8471 "Hide thread subtrees.
8472 Returns nil if no threads were there to be hidden."
8474 (let ((buffer-read-only nil)
8476 (article (gnus-summary-article-number)))
8478 ;; Go forward until either the buffer ends or the subthread
8480 (when (and (not (eobp))
8481 (or (zerop (gnus-summary-next-thread 1 t))
8482 (goto-char (point-max))))
8484 (if (and (> (point) start)
8485 (search-backward "\n" start t))
8487 (subst-char-in-region start (point) ?\n ?\^M)
8488 (gnus-summary-goto-subject article))
8491 ;;(gnus-summary-position-point)
8494 (defun gnus-summary-go-to-next-thread (&optional previous)
8495 "Go to the same level (or less) next thread.
8496 If PREVIOUS is non-nil, go to previous thread instead.
8497 Return the article number moved to, or nil if moving was impossible."
8498 (let ((level (gnus-summary-thread-level))
8499 (way (if previous -1 1))
8502 (while (and (not (eobp))
8503 (< level (gnus-summary-thread-level)))
8511 (gnus-summary-article-number)
8514 (defun gnus-summary-next-thread (n &optional silent)
8515 "Go to the same level next N'th thread.
8516 If N is negative, search backward instead.
8517 Returns the difference between N and the number of skips actually
8520 If SILENT, don't output messages."
8522 (let ((backward (< n 0))
8525 (gnus-summary-go-to-next-thread backward))
8528 (gnus-summary-position-point))
8529 (when (and (not silent) (/= 0 n))
8530 (gnus-message 7 "No more threads"))
8533 (defun gnus-summary-prev-thread (n)
8534 "Go to the same level previous N'th thread.
8535 Returns the difference between N and the number of skips actually
8538 (gnus-summary-next-thread (- n)))
8540 (defun gnus-summary-go-down-thread ()
8541 "Go down one level in the current thread."
8542 (let ((children (gnus-summary-article-children)))
8544 (gnus-summary-goto-subject (car children)))))
8546 (defun gnus-summary-go-up-thread ()
8547 "Go up one level in the current thread."
8548 (let ((parent (gnus-summary-article-parent)))
8550 (gnus-summary-goto-subject parent))))
8552 (defun gnus-summary-down-thread (n)
8553 "Go down thread N steps.
8554 If N is negative, go up instead.
8555 Returns the difference between N and how many steps down that were
8561 (if up (gnus-summary-go-up-thread)
8562 (gnus-summary-go-down-thread)))
8564 (gnus-summary-position-point)
8566 (gnus-message 7 "Can't go further"))
8569 (defun gnus-summary-up-thread (n)
8570 "Go up thread N steps.
8571 If N is negative, go up instead.
8572 Returns the difference between N and how many steps down that were
8575 (gnus-summary-down-thread (- n)))
8577 (defun gnus-summary-top-thread ()
8578 "Go to the top of the thread."
8580 (while (gnus-summary-go-up-thread))
8581 (gnus-summary-article-number))
8583 (defun gnus-summary-kill-thread (&optional unmark)
8584 "Mark articles under current thread as read.
8585 If the prefix argument is positive, remove any kinds of marks.
8586 If the prefix argument is negative, tick articles instead."
8589 (setq unmark (prefix-numeric-value unmark)))
8590 (let ((articles (gnus-summary-articles-in-thread)))
8592 ;; Expand the thread.
8593 (gnus-summary-show-thread)
8594 ;; Mark all the articles.
8596 (gnus-summary-goto-subject (car articles))
8597 (cond ((null unmark)
8598 (gnus-summary-mark-article-as-read gnus-killed-mark))
8600 (gnus-summary-mark-article-as-unread gnus-unread-mark))
8602 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
8603 (setq articles (cdr articles))))
8604 ;; Hide killed subtrees.
8606 gnus-thread-hide-killed
8607 (gnus-summary-hide-thread))
8608 ;; If marked as read, go to next unread subject.
8610 ;; Go to next unread subject.
8611 (gnus-summary-next-subject 1 t)))
8612 (gnus-set-mode-line 'summary))
8614 ;; Summary sorting commands
8616 (defun gnus-summary-sort-by-number (&optional reverse)
8617 "Sort the summary buffer by article number.
8618 Argument REVERSE means reverse order."
8620 (gnus-summary-sort 'number reverse))
8622 (defun gnus-summary-sort-by-author (&optional reverse)
8623 "Sort the summary buffer by author name alphabetically.
8624 If case-fold-search is non-nil, case of letters is ignored.
8625 Argument REVERSE means reverse order."
8627 (gnus-summary-sort 'author reverse))
8629 (defun gnus-summary-sort-by-subject (&optional reverse)
8630 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
8631 If case-fold-search is non-nil, case of letters is ignored.
8632 Argument REVERSE means reverse order."
8634 (gnus-summary-sort 'subject reverse))
8636 (defun gnus-summary-sort-by-date (&optional reverse)
8637 "Sort the summary buffer by date.
8638 Argument REVERSE means reverse order."
8640 (gnus-summary-sort 'date reverse))
8642 (defun gnus-summary-sort-by-score (&optional reverse)
8643 "Sort the summary buffer by score.
8644 Argument REVERSE means reverse order."
8646 (gnus-summary-sort 'score reverse))
8648 (defun gnus-summary-sort-by-lines (&optional reverse)
8649 "Sort the summary buffer by the number of lines.
8650 Argument REVERSE means reverse order."
8652 (gnus-summary-sort 'lines reverse))
8654 (defun gnus-summary-sort-by-chars (&optional reverse)
8655 "Sort the summary buffer by article length.
8656 Argument REVERSE means reverse order."
8658 (gnus-summary-sort 'chars reverse))
8660 (defun gnus-summary-sort (predicate reverse)
8661 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
8662 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
8663 (article (intern (format "gnus-article-sort-by-%s" predicate)))
8664 (gnus-thread-sort-functions
8669 (gnus-article-sort-functions
8675 (gnus-summary-prepare-hook nil))
8676 ;; We do the sorting by regenerating the threads.
8677 (gnus-summary-prepare)
8678 ;; Hide subthreads if needed.
8679 (when (and gnus-show-threads gnus-thread-hide-subtree)
8680 (gnus-summary-hide-all-threads))))
8682 ;; Summary saving commands.
8684 (defun gnus-summary-save-article (&optional n not-saved)
8685 "Save the current article using the default saver function.
8686 If N is a positive number, save the N next articles.
8687 If N is a negative number, save the N previous articles.
8688 If N is nil and any articles have been marked with the process mark,
8689 save those articles instead.
8690 The variable `gnus-default-article-saver' specifies the saver function."
8692 (let* ((articles (gnus-summary-work-articles n))
8693 (save-buffer (save-excursion
8694 (nnheader-set-temp-buffer " *Gnus Save*")))
8695 (num (length articles))
8697 (dolist (article articles)
8698 (setq header (gnus-summary-article-header article))
8699 (if (not (vectorp header))
8700 ;; This is a pseudo-article.
8701 (if (assq 'name header)
8702 (gnus-copy-file (cdr (assq 'name header)))
8703 (gnus-message 1 "Article %d is unsaveable" article))
8704 ;; This is a real article.
8705 (save-window-excursion
8706 (gnus-summary-select-article t nil nil article))
8708 (set-buffer save-buffer)
8710 (insert-buffer-substring gnus-original-article-buffer))
8711 (setq file (gnus-article-save save-buffer file num))
8712 (gnus-summary-remove-process-mark article)
8714 (gnus-summary-set-saved-mark article))))
8715 (gnus-kill-buffer save-buffer)
8716 (gnus-summary-position-point)
8717 (gnus-set-mode-line 'summary)
8720 (defun gnus-summary-pipe-output (&optional arg)
8721 "Pipe the current article to a subprocess.
8722 If N is a positive number, pipe the N next articles.
8723 If N is a negative number, pipe the N previous articles.
8724 If N is nil and any articles have been marked with the process mark,
8725 pipe those articles instead."
8727 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe))
8728 (gnus-summary-save-article arg t))
8729 (gnus-configure-windows 'pipe))
8731 (defun gnus-summary-save-article-mail (&optional arg)
8732 "Append the current article to an mail file.
8733 If N is a positive number, save the N next articles.
8734 If N is a negative number, save the N previous articles.
8735 If N is nil and any articles have been marked with the process mark,
8736 save those articles instead."
8738 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
8739 (gnus-summary-save-article arg)))
8741 (defun gnus-summary-save-article-rmail (&optional arg)
8742 "Append the current article to an rmail file.
8743 If N is a positive number, save the N next articles.
8744 If N is a negative number, save the N previous articles.
8745 If N is nil and any articles have been marked with the process mark,
8746 save those articles instead."
8748 (let ((gnus-default-article-saver 'rmail-output-to-rmail-file))
8749 (gnus-summary-save-article arg)))
8751 (defun gnus-summary-save-article-file (&optional arg)
8752 "Append the current article to a file.
8753 If N is a positive number, save the N next articles.
8754 If N is a negative number, save the N previous articles.
8755 If N is nil and any articles have been marked with the process mark,
8756 save those articles instead."
8758 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
8759 (gnus-summary-save-article arg)))
8761 (defun gnus-summary-write-article-file (&optional arg)
8762 "Write the current article to a file, deleting the previous file.
8763 If N is a positive number, save the N next articles.
8764 If N is a negative number, save the N previous articles.
8765 If N is nil and any articles have been marked with the process mark,
8766 save those articles instead."
8768 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
8769 (gnus-summary-save-article arg)))
8771 (defun gnus-summary-save-article-body-file (&optional arg)
8772 "Append the current article body to a file.
8773 If N is a positive number, save the N next articles.
8774 If N is a negative number, save the N previous articles.
8775 If N is nil and any articles have been marked with the process mark,
8776 save those articles instead."
8778 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
8779 (gnus-summary-save-article arg)))
8781 (defun gnus-summary-pipe-message (program)
8782 "Pipe the current article through PROGRAM."
8783 (interactive "sProgram: ")
8784 (gnus-summary-select-article)
8785 (let ((mail-header-separator ""))
8786 (gnus-eval-in-buffer-window gnus-article-buffer
8789 (let ((start (window-start))
8791 (message-pipe-buffer-body program)
8792 (set-window-start (get-buffer-window (current-buffer)) start))))))
8794 (defun gnus-get-split-value (methods)
8795 "Return a value based on the split METHODS."
8796 (let (split-name method result match)
8799 (set-buffer gnus-original-article-buffer)
8801 (nnheader-narrow-to-headers)
8803 (goto-char (point-min))
8804 (setq method (pop methods))
8805 (setq match (car method))
8808 ;; Regular expression.
8810 (re-search-forward match nil t)))
8811 ((gnus-functionp match)
8815 (setq result (funcall match gnus-newsgroup-name))))
8820 (setq result (eval match)))))
8821 (setq split-name (append (cdr method) split-name))
8822 (cond ((stringp result)
8823 (push (expand-file-name
8824 result gnus-article-save-directory)
8827 (setq split-name (append result split-name)))))))))
8828 (nreverse split-name)))
8830 (defun gnus-valid-move-group-p (group)
8833 (symbol-value group)
8834 (gnus-get-function (gnus-find-method-for-group
8835 (symbol-name group)) 'request-accept-article t)))
8837 (defun gnus-read-move-group-name (prompt default articles prefix)
8838 "Read a group name."
8839 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
8840 (minibuffer-confirm-incomplete nil) ; XEmacs
8844 (if (> (length articles) 1)
8845 (format "these %d articles" (length articles))
8850 (gnus-completing-read default prom
8852 'gnus-valid-move-group-p
8854 'gnus-group-history))
8855 ((= 1 (length split-name))
8856 (gnus-completing-read (car split-name) prom
8858 'gnus-valid-move-group-p
8860 'gnus-group-history))
8862 (gnus-completing-read nil prom
8863 (mapcar (lambda (el) (list el))
8864 (nreverse split-name))
8866 'gnus-group-history)))))
8868 (if (or (string= to-newsgroup "")
8869 (string= to-newsgroup prefix))
8870 (setq to-newsgroup default))
8871 (unless to-newsgroup
8872 (error "No group name entered"))
8873 (or (gnus-active to-newsgroup)
8874 (gnus-activate-group to-newsgroup)
8875 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
8877 (or (and (gnus-request-create-group
8878 to-newsgroup (gnus-group-name-to-method to-newsgroup))
8879 (gnus-activate-group to-newsgroup nil nil
8880 (gnus-group-name-to-method
8882 (error "Couldn't create group %s" to-newsgroup)))
8883 (error "No such group: %s" to-newsgroup)))
8886 (defun gnus-summary-save-parts (type dir n reverse)
8887 "Save parts matching TYPE to DIR.
8888 If REVERSE, save parts that do not match TYPE."
8890 (list (read-string "Save parts of type: " "image/.*")
8891 (read-file-name "Save to directory: " t nil t)
8892 current-prefix-arg))
8893 (gnus-summary-iterate n
8894 (let ((gnus-display-mime-function nil)
8895 (gnus-inhibit-treatment t))
8896 (gnus-summary-select-article))
8898 (set-buffer gnus-article-buffer)
8899 (let ((handles (or (mm-dissect-buffer) (mm-uu-dissect))))
8901 (gnus-summary-save-parts-1 type dir handles reverse)
8902 (mm-destroy-parts handles))))))
8904 (defun gnus-summary-save-parts-1 (type dir handle reverse)
8905 (if (stringp (car handle))
8906 (mapcar (lambda (h) (gnus-summary-save-parts-1 type dir h reverse))
8909 (not (string-match type (car (mm-handle-type handle))))
8910 (string-match type (car (mm-handle-type handle))))
8911 (let ((file (expand-file-name
8912 (file-name-nondirectory
8914 (mail-content-type-get
8915 (mm-handle-disposition handle) 'filename)
8916 (concat gnus-newsgroup-name "." gnus-current-article)))
8918 (unless (file-exists-p file)
8919 (mm-save-part-to-file handle file))))))
8921 ;; Summary extract commands
8923 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
8924 (let ((buffer-read-only nil)
8925 (article (gnus-summary-article-number))
8927 (unless (gnus-summary-goto-subject article)
8928 (error "No such article: %d" article))
8929 (gnus-summary-position-point)
8930 ;; If all commands are to be bunched up on one line, we collect
8932 (unless gnus-view-pseudos-separately
8933 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
8936 (setq action (cdr (assq 'action (car ps))))
8937 (setq files (list (cdr (assq 'name (car ps)))))
8938 (while (and ps (cdr ps)
8939 (string= (or action "1")
8940 (or (cdr (assq 'action (cadr ps))) "2")))
8941 (push (cdr (assq 'name (cadr ps))) files)
8942 (setcdr ps (cddr ps)))
8944 (when (not (string-match "%s" action))
8947 (when (assq 'execute (car ps))
8948 (setcdr (assq 'execute (car ps))
8949 (funcall (if (string-match "%s" action)
8958 (setq ps (cdr ps)))))
8959 (if (and gnus-view-pseudos (not not-view))
8961 (when (assq 'execute (car pslist))
8962 (gnus-execute-command (cdr (assq 'execute (car pslist)))
8963 (eq gnus-view-pseudos 'not-confirm)))
8964 (setq pslist (cdr pslist)))
8967 (setq after-article (or (cdr (assq 'article (car pslist)))
8968 (gnus-summary-article-number)))
8969 (gnus-summary-goto-subject after-article)
8972 (insert " " (file-name-nondirectory
8973 (cdr (assq 'name (car pslist))))
8974 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
8976 (forward-line -1) ; back to `b'
8977 (gnus-add-text-properties
8978 b (1- e) (list 'gnus-number gnus-reffed-article-number
8979 gnus-mouse-face-prop gnus-mouse-face))
8981 after-article gnus-reffed-article-number
8982 gnus-unread-mark b (car pslist) 0 (- e b))
8983 (push gnus-reffed-article-number gnus-newsgroup-unreads)
8984 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
8985 (setq pslist (cdr pslist)))))))
8987 (defun gnus-pseudos< (p1 p2)
8988 (let ((c1 (cdr (assq 'action p1)))
8989 (c2 (cdr (assq 'action p2))))
8990 (and c1 c2 (string< c1 c2))))
8992 (defun gnus-request-pseudo-article (props)
8993 (cond ((assq 'execute props)
8994 (gnus-execute-command (cdr (assq 'execute props)))))
8995 (let ((gnus-current-article (gnus-summary-article-number)))
8996 (gnus-run-hooks 'gnus-mark-article-hook)))
8998 (defun gnus-execute-command (command &optional automatic)
9000 (gnus-article-setup-buffer)
9001 (set-buffer gnus-article-buffer)
9002 (setq buffer-read-only nil)
9003 (let ((command (if automatic command
9004 (read-string "Command: " (cons command 0)))))
9006 (insert "$ " command "\n\n")
9007 (if gnus-view-pseudo-asynchronously
9008 (start-process "gnus-execute" (current-buffer) shell-file-name
9009 shell-command-switch command)
9010 (call-process shell-file-name nil t nil
9011 shell-command-switch command)))))
9013 ;; Summary kill commands.
9015 (defun gnus-summary-edit-global-kill (article)
9016 "Edit the \"global\" kill file."
9017 (interactive (list (gnus-summary-article-number)))
9018 (gnus-group-edit-global-kill article))
9020 (defun gnus-summary-edit-local-kill ()
9021 "Edit a local kill file applied to the current newsgroup."
9023 (setq gnus-current-headers (gnus-summary-article-header))
9024 (gnus-group-edit-local-kill
9025 (gnus-summary-article-number) gnus-newsgroup-name))
9029 (defun gnus-read-header (id &optional header)
9030 "Read the headers of article ID and enter them into the Gnus system."
9031 (let ((group gnus-newsgroup-name)
9032 (gnus-override-method
9033 (and (gnus-news-group-p gnus-newsgroup-name)
9034 gnus-refer-article-method))
9036 ;; First we check to see whether the header in question is already
9039 ;; This is a Message-ID.
9040 (setq header (or header (gnus-id-to-header id)))
9041 ;; This is an article number.
9042 (setq header (or header (gnus-summary-article-header id))))
9044 (not (gnus-summary-article-sparse-p (mail-header-number header))))
9045 ;; We have found the header.
9047 ;; If this is a sparse article, we have to nix out its
9048 ;; previous entry in the thread hashtb.
9050 (gnus-summary-article-sparse-p (mail-header-number header)))
9051 (let* ((parent (gnus-parent-id (mail-header-references header)))
9052 (thread (and parent (gnus-id-to-thread parent))))
9054 (delq (assq header thread) thread))))
9055 ;; We have to really fetch the header to this article.
9057 (set-buffer nntp-server-buffer)
9058 (when (setq where (gnus-request-head id group))
9059 (nnheader-fold-continuation-lines)
9060 (goto-char (point-max))
9062 (goto-char (point-min))
9066 ((cdr where) (cdr where))
9067 (header (mail-header-number header))
9068 (t gnus-reffed-article-number))
9070 (insert " Article retrieved.\n"))
9072 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
9073 () ; Malformed head.
9074 (unless (gnus-summary-article-sparse-p (mail-header-number header))
9075 (when (and (stringp id)
9076 (not (string= (gnus-group-real-name group)
9078 ;; If we fetched by Message-ID and the article came
9079 ;; from a different group, we fudge some bogus article
9080 ;; numbers for this article.
9081 (mail-header-set-number header gnus-reffed-article-number))
9083 (set-buffer gnus-summary-buffer)
9084 (decf gnus-reffed-article-number)
9085 (gnus-remove-header (mail-header-number header))
9086 (push header gnus-newsgroup-headers)
9087 (setq gnus-current-headers header)
9088 (push (mail-header-number header) gnus-newsgroup-limit)))
9091 (defun gnus-remove-header (number)
9092 "Remove header NUMBER from `gnus-newsgroup-headers'."
9093 (if (and gnus-newsgroup-headers
9094 (= number (mail-header-number (car gnus-newsgroup-headers))))
9095 (pop gnus-newsgroup-headers)
9096 (let ((headers gnus-newsgroup-headers))
9097 (while (and (cdr headers)
9098 (not (= number (mail-header-number (cadr headers)))))
9101 (setcdr headers (cddr headers))))))
9104 ;;; summary highlights
9107 (defun gnus-highlight-selected-summary ()
9108 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
9109 ;; Highlight selected article in summary buffer
9110 (when gnus-summary-selected-face
9112 (let* ((beg (progn (beginning-of-line) (point)))
9113 (end (progn (end-of-line) (point)))
9114 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
9115 (from (if (get-text-property beg gnus-mouse-face-prop)
9117 (or (next-single-property-change
9118 beg gnus-mouse-face-prop nil end)
9123 (or (next-single-property-change
9124 from gnus-mouse-face-prop nil end)
9126 ;; If no mouse-face prop on line we will have to = from = end,
9127 ;; so we highlight the entire line instead.
9128 (when (= (+ to 2) from)
9131 (if gnus-newsgroup-selected-overlay
9132 ;; Move old overlay.
9134 gnus-newsgroup-selected-overlay from to (current-buffer))
9135 ;; Create new overlay.
9137 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
9138 'face gnus-summary-selected-face))))))
9140 ;; New implementation by Christian Limpach <Christian.Limpach@nice.ch>.
9141 (defun gnus-summary-highlight-line ()
9142 "Highlight current line according to `gnus-summary-highlight'."
9143 (let* ((list gnus-summary-highlight)
9145 (end (progn (end-of-line) (point)))
9146 ;; now find out where the line starts and leave point there.
9147 (beg (progn (beginning-of-line) (point)))
9148 (article (gnus-summary-article-number))
9149 (score (or (cdr (assq (or article gnus-current-article)
9150 gnus-newsgroup-scored))
9151 gnus-summary-default-score 0))
9152 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
9153 (inhibit-read-only t))
9154 ;; Eval the cars of the lists until we find a match.
9155 (let ((default gnus-summary-default-score))
9157 (not (eval (caar list))))
9158 (setq list (cdr list))))
9159 (let ((face (cdar list)))
9160 (unless (eq face (get-text-property beg 'face))
9161 (gnus-put-text-property-excluding-characters-with-faces
9163 (setq face (if (boundp face) (symbol-value face) face)))
9164 (when gnus-summary-highlight-line-function
9165 (funcall gnus-summary-highlight-line-function article face))))
9168 (defun gnus-update-read-articles (group unread &optional compute)
9169 "Update the list of read articles in GROUP."
9170 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
9171 (entry (gnus-gethash group gnus-newsrc-hashtb))
9172 (info (nth 2 entry))
9174 (unread (sort (copy-sequence unread) '<))
9176 (if (or (not info) (not active))
9177 ;; There is no info on this group if it was, in fact,
9178 ;; killed. Gnus stores no information on killed groups, so
9179 ;; there's nothing to be done.
9180 ;; One could store the information somewhere temporarily,
9181 ;; perhaps... Hmmm...
9183 ;; Remove any negative articles numbers.
9184 (while (and unread (< (car unread) 0))
9185 (setq unread (cdr unread)))
9186 ;; Remove any expired article numbers
9187 (while (and unread (< (car unread) (car active)))
9188 (setq unread (cdr unread)))
9189 ;; Compute the ranges of read articles by looking at the list of
9192 (when (/= (car unread) prev)
9193 (push (if (= prev (1- (car unread))) prev
9194 (cons prev (1- (car unread))))
9196 (setq prev (1+ (car unread)))
9197 (setq unread (cdr unread)))
9198 (when (<= prev (cdr active))
9199 (push (cons prev (cdr active)) read))
9200 (setq read (if (> (length read) 1) (nreverse read) read))
9204 (set-buffer gnus-group-buffer)
9207 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
9208 (gnus-info-set-read ',info ',(gnus-info-read info))
9209 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
9210 (gnus-group-update-group ,group t))))
9211 ;; Propagate the read marks to the backend.
9212 (if (gnus-check-backend-function 'request-set-mark group)
9213 (let ((del (gnus-remove-from-range (gnus-info-read info) read))
9214 (add (gnus-remove-from-range read (gnus-info-read info))))
9216 (unless (gnus-check-group group)
9217 (error "Can't open server for %s" group))
9218 (gnus-request-set-mark
9219 group (delq nil (list (if add (list add 'add '(read)))
9220 (if del (list del 'del '(read)))))))))
9221 ;; Enter this list into the group info.
9222 (gnus-info-set-read info read)
9223 ;; Set the number of unread articles in gnus-newsrc-hashtb.
9224 (gnus-get-unread-articles-in-group info (gnus-active group))
9227 (defun gnus-offer-save-summaries ()
9228 "Offer to save all active summary buffers."
9230 (let ((buflist (buffer-list))
9232 ;; Go through all buffers and find all summaries.
9234 (and (setq bufname (buffer-name (car buflist)))
9235 (string-match "Summary" bufname)
9237 (set-buffer bufname)
9238 ;; We check that this is, indeed, a summary buffer.
9239 (and (eq major-mode 'gnus-summary-mode)
9240 ;; Also make sure this isn't bogus.
9241 gnus-newsgroup-prepared
9242 ;; Also make sure that this isn't a dead summary buffer.
9243 (not gnus-dead-summary-mode)))
9244 (push bufname buffers))
9245 (setq buflist (cdr buflist)))
9246 ;; Go through all these summary buffers and offer to save them.
9249 "Update summary buffer %s? "
9251 (switch-to-buffer buf)
9252 (gnus-summary-exit))
9255 (defun gnus-summary-setup-default-charset ()
9256 "Setup newsgroup default charset."
9257 (let ((name (and gnus-newsgroup-name
9258 (gnus-group-real-name gnus-newsgroup-name))))
9259 (setq gnus-newsgroup-charset
9260 (or (and gnus-newsgroup-name
9261 (or (gnus-group-find-parameter gnus-newsgroup-name
9263 (let ((alist gnus-group-charset-alist)
9265 (while (setq elem (pop alist))
9267 (string-match (car elem) name))
9269 charset (cadr elem))))
9271 gnus-default-charset))))
9277 (defun gnus-summary-display-buttonized (&optional show-all-parts)
9278 "Display the current article buffer fully MIME-buttonized.
9279 If SHOW-ALL-PARTS (the prefix) is non-nil, all multipart/* parts are
9280 treated as multipart/mixed."
9283 (let ((gnus-unbuttonized-mime-types nil)
9284 (gnus-mime-display-multipart-as-mixed show-all-parts))
9285 (gnus-summary-show-article)))
9287 (defun gnus-summary-repair-multipart (article)
9288 "Add a Content-Type header to a multipart article without one."
9289 (interactive (list (gnus-summary-article-number)))
9290 (gnus-with-article article
9291 (message-narrow-to-head)
9292 (goto-char (point-max))
9294 (when (search-forward "\n--" nil t)
9295 (let ((separator (buffer-substring (point) (gnus-point-at-eol))))
9296 (message-narrow-to-head)
9297 (message-remove-header "Mime-Version")
9298 (message-remove-header "Content-Type")
9299 (goto-char (point-max))
9300 (insert (format "Content-Type: multipart/mixed; boundary=\"%s\"\n"
9302 (insert "Mime-Version: 1.0\n")
9304 (let (gnus-mark-article-hook)
9305 (gnus-summary-select-article t t nil article)))
9307 (defun gnus-summary-toggle-display-buttonized ()
9308 "Toggle the buttonizing of the article buffer."
9311 (if (setq gnus-inhibit-mime-unbuttonizing
9312 (not gnus-inhibit-mime-unbuttonizing))
9313 (let ((gnus-unbuttonized-mime-types nil))
9314 (gnus-summary-show-article))
9315 (gnus-summary-show-article)))
9321 (defmacro gnus-with-article (article &rest forms)
9322 "Select ARTICLE and perform FORMS in the original article buffer.
9323 Then replace the article with the result."
9325 ;; We don't want the article to be marked as read.
9326 (let (gnus-mark-article-hook)
9327 (gnus-summary-select-article t t nil ,article))
9328 (set-buffer gnus-original-article-buffer)
9330 (if (not (gnus-check-backend-function
9331 'request-replace-article (car gnus-article-current)))
9332 (gnus-message 5 "Read-only group; not replacing")
9333 (unless (gnus-request-replace-article
9334 ,article (car gnus-article-current)
9336 (error "Couldn't replace article")))
9337 ;; The cache and backlog have to be flushed somewhat.
9338 (when gnus-keep-backlog
9339 (gnus-backlog-remove-article
9340 (car gnus-article-current) (cdr gnus-article-current)))
9341 (when gnus-use-cache
9342 (gnus-cache-update-article
9343 (car gnus-article-current) (cdr gnus-article-current)))))
9345 (put 'gnus-with-article 'lisp-indent-function 1)
9346 (put 'gnus-with-article 'edebug-form-spec '(form body))
9349 ;;; Generic summary marking commands
9352 (defvar gnus-summary-marking-alist
9353 '((read gnus-del-mark "d")
9354 (unread gnus-unread-mark "u")
9355 (ticked gnus-ticked-mark "!")
9356 (dormant gnus-dormant-mark "?")
9357 (expirable gnus-expirable-mark "e"))
9358 "An alist of names/marks/keystrokes.")
9360 (defvar gnus-summary-generic-mark-map (make-sparse-keymap))
9361 (defvar gnus-summary-mark-map)
9363 (defun gnus-summary-make-all-marking-commands ()
9364 (define-key gnus-summary-mark-map "M" gnus-summary-generic-mark-map)
9365 (dolist (elem gnus-summary-marking-alist)
9366 (apply 'gnus-summary-make-marking-command elem)))
9368 (defun gnus-summary-make-marking-command (name mark keystroke)
9369 (let ((map (make-sparse-keymap)))
9370 (define-key gnus-summary-generic-mark-map keystroke map)
9371 (dolist (lway `((next "next" next nil "n")
9372 (next-unread "next unread" next t "N")
9373 (prev "previous" prev nil "p")
9374 (prev-unread "previous unread" prev t "P")
9375 (nomove "" nil nil ,keystroke)))
9376 (let ((func (gnus-summary-make-marking-command-1
9377 mark (car lway) lway name)))
9378 (setq func (eval func))
9379 (define-key map (nth 4 lway) func)))))
9381 (defun gnus-summary-make-marking-command-1 (mark way lway name)
9383 (format "gnus-summary-put-mark-as-%s%s"
9384 name (if (eq way 'nomove)
9386 (concat "-" (symbol-name way)))))
9389 "Mark the current article as %s%s.
9390 If N, the prefix, then repeat N times.
9391 If N is negative, move in reverse order.
9392 The difference between N and the actual number of articles marked is
9396 (gnus-summary-generic-mark n ,mark ',(nth 2 lway) ,(nth 3 lway))))
9398 (defun gnus-summary-generic-mark (n mark move unread)
9399 "Mark N articles with MARK."
9400 (unless (eq major-mode 'gnus-summary-mode)
9401 (error "This command can only be used in the summary buffer"))
9402 (gnus-summary-show-thread)
9406 ((eq move 'prev) -1)
9412 nummove (* -1 nummove))))
9414 (gnus-summary-mark-article nil mark)
9415 (zerop (gnus-summary-next-subject nummove unread t)))
9418 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
9419 (gnus-summary-recenter)
9420 (gnus-summary-position-point)
9421 (gnus-set-mode-line 'summary)
9424 (gnus-summary-make-all-marking-commands)
9430 (run-hooks 'gnus-sum-load-hook)
9432 ;;; gnus-sum.el ends here