1 ;;; gnus-sum.el --- summary mode commands for Gnus
2 ;; Copyright (C) 1996,97 Free Software Foundation, Inc.
4 ;; Author: Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
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.
35 (defcustom gnus-kill-summary-on-exit t
36 "*If non-nil, kill the summary buffer when you exit from it.
37 If nil, the summary will become a \"*Dead Summary*\" buffer, and
38 it will be killed sometime later."
39 :group 'gnus-summary-exit
42 (defcustom gnus-fetch-old-headers nil
43 "*Non-nil means that Gnus will try to build threads by grabbing old headers.
44 If an unread article in the group refers to an older, already read (or
45 just marked as read) article, the old article will not normally be
46 displayed in the Summary buffer. If this variable is non-nil, Gnus
47 will attempt to grab the headers to the old articles, and thereby
48 build complete threads. If it has the value `some', only enough
49 headers to connect otherwise loose threads will be displayed.
50 This variable can also be a number. In that case, no more than that
51 number of old headers will be fetched.
53 The server has to support NOV for any of this to work."
55 :type '(choice (const :tag "off" nil)
58 (sexp :menu-tag "other" t)))
60 (defcustom gnus-summary-make-false-root 'adopt
61 "*nil means that Gnus won't gather loose threads.
62 If the root of a thread has expired or been read in a previous
63 session, the information necessary to build a complete thread has been
64 lost. Instead of having many small sub-threads from this original thread
65 scattered all over the summary buffer, Gnus can gather them.
67 If non-nil, Gnus will try to gather all loose sub-threads from an
68 original thread into one large thread.
70 If this variable is non-nil, it should be one of `none', `adopt',
73 If this variable is `none', Gnus will not make a false root, but just
74 present the sub-threads after another.
75 If this variable is `dummy', Gnus will create a dummy root that will
76 have all the sub-threads as children.
77 If this variable is `adopt', Gnus will make one of the \"children\"
78 the parent and mark all the step-children as such.
79 If this variable is `empty', the \"children\" are printed with empty
80 subject fields. (Or rather, they will be printed with a string
81 given by the `gnus-summary-same-subject' variable.)"
83 :type '(choice (const :tag "off" nil)
89 (defcustom gnus-summary-gather-exclude-subject "^ *$\\|^(none)$"
90 "*A regexp to match subjects to be excluded from loose thread gathering.
91 As loose thread gathering is done on subjects only, that means that
92 there can be many false gatherings performed. By rooting out certain
93 common subjects, gathering might become saner."
97 (defcustom gnus-summary-gather-subject-limit nil
98 "*Maximum length of subject comparisons when gathering loose threads.
99 Use nil to compare full subjects. Setting this variable to a low
100 number will help gather threads that have been corrupted by
101 newsreaders chopping off subject lines, but it might also mean that
102 unrelated articles that have subject that happen to begin with the
103 same few characters will be incorrectly gathered.
105 If this variable is `fuzzy', Gnus will use a fuzzy algorithm when
108 :type '(choice (const :tag "off" nil)
110 (sexp :menu-tag "on" t)))
112 (defcustom gnus-simplify-ignored-prefixes nil
113 "*Regexp, matches for which are removed from subject lines when simplifying fuzzily."
115 :type '(choice (const :tag "off" nil)
118 (defcustom gnus-build-sparse-threads nil
119 "*If non-nil, fill in the gaps in threads.
120 If `some', only fill in the gaps that are needed to tie loose threads
121 together. If `more', fill in all leaf nodes that Gnus can find. If
122 non-nil and non-`some', fill in all gaps that Gnus manages to guess."
124 :type '(choice (const :tag "off" nil)
127 (sexp :menu-tag "all" t)))
129 (defcustom gnus-summary-thread-gathering-function
130 'gnus-gather-threads-by-subject
131 "Function used for gathering loose threads.
132 There are two pre-defined functions: `gnus-gather-threads-by-subject',
133 which only takes Subjects into consideration; and
134 `gnus-gather-threads-by-references', which compared the References
135 headers of the articles to find matches."
137 :type '(set (function-item gnus-gather-threads-by-subject)
138 (function-item gnus-gather-threads-by-references)
139 (function :tag "other")))
141 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
142 (defcustom gnus-summary-same-subject ""
143 "*String indicating that the current article has the same subject as the previous.
144 This variable will only be used if the value of
145 `gnus-summary-make-false-root' is `empty'."
146 :group 'gnus-summary-format
149 (defcustom gnus-summary-goto-unread t
150 "*If t, marking commands will go to the next unread article.
151 If `never', commands that usually go to the next unread article, will
152 go to the next article, whether it is read or not.
153 If nil, only the marking commands will go to the next (un)read article."
154 :group 'gnus-summary-marks
155 :link '(custom-manual "(gnus)Setting Marks")
156 :type '(choice (const :tag "off" nil)
158 (sexp :menu-tag "on" t)))
160 (defcustom gnus-summary-default-score 0
161 "*Default article score level.
162 All scores generated by the score files will be added to this score.
163 If this variable is nil, scoring will be disabled."
164 :group 'gnus-score-default
165 :type '(choice (const :tag "disable")
168 (defcustom gnus-summary-zcore-fuzz 0
169 "*Fuzziness factor for the zcore in the summary buffer.
170 Articles with scores closer than this to `gnus-summary-default-score'
172 :group 'gnus-summary-format
175 (defcustom gnus-simplify-subject-fuzzy-regexp nil
176 "*Strings to be removed when doing fuzzy matches.
177 This can either be a regular expression or list of regular expressions
178 that will be removed from subject strings if fuzzy subject
179 simplification is selected."
181 :type '(repeat regexp))
183 (defcustom gnus-show-threads t
184 "*If non-nil, display threads in summary mode."
188 (defcustom gnus-thread-hide-subtree nil
189 "*If non-nil, hide all threads initially.
190 If threads are hidden, you have to run the command
191 `gnus-summary-show-thread' by hand or use `gnus-select-article-hook'
192 to expose hidden threads."
196 (defcustom gnus-thread-hide-killed t
197 "*If non-nil, hide killed threads automatically."
201 (defcustom gnus-thread-ignore-subject nil
202 "*If non-nil, ignore subjects and do all threading based on the Reference header.
203 If nil, which is the default, articles that have different subjects
204 from their parents will start separate threads."
208 (defcustom gnus-thread-operation-ignore-subject t
209 "*If non-nil, subjects will be ignored when doing thread commands.
210 This affects commands like `gnus-summary-kill-thread' and
211 `gnus-summary-lower-thread'.
213 If this variable is nil, articles in the same thread with different
214 subjects will not be included in the operation in question. If this
215 variable is `fuzzy', only articles that have subjects that are fuzzily
216 equal will be included."
218 :type '(choice (const :tag "off" nil)
222 (defcustom gnus-thread-indent-level 4
223 "*Number that says how much each sub-thread should be indented."
227 (defcustom gnus-auto-extend-newsgroup t
228 "*If non-nil, extend newsgroup forward and backward when requested."
229 :group 'gnus-summary-choose
232 (defcustom gnus-auto-select-first t
233 "*If nil, don't select the first unread article when entering a group.
234 If this variable is `best', select the highest-scored unread article
235 in the group. If neither nil nor `best', select the first unread
238 If you want to prevent automatic selection of the first unread article
239 in some newsgroups, set the variable to nil in
240 `gnus-select-group-hook'."
241 :group 'gnus-group-select
242 :type '(choice (const :tag "none" nil)
244 (sexp :menu-tag "first" t)))
246 (defcustom gnus-auto-select-next t
247 "*If non-nil, offer to go to the next group from the end of the previous.
248 If the value is t and the next newsgroup is empty, Gnus will exit
249 summary mode and go back to group mode. If the value is neither nil
250 nor t, Gnus will select the following unread newsgroup. In
251 particular, if the value is the symbol `quietly', the next unread
252 newsgroup will be selected without any confirmation, and if it is
253 `almost-quietly', the next group will be selected without any
254 confirmation if you are located on the last article in the group.
255 Finally, if this variable is `slightly-quietly', the `Z n' command
256 will go to the next group without confirmation."
257 :group 'gnus-summary-maneuvering
258 :type '(choice (const :tag "off" nil)
260 (const almost-quietly)
261 (const slightly-quietly)
262 (sexp :menu-tag "on" t)))
264 (defcustom gnus-auto-select-same nil
265 "*If non-nil, select the next article with the same subject."
266 :group 'gnus-summary-maneuvering
269 (defcustom gnus-summary-check-current nil
270 "*If non-nil, consider the current article when moving.
271 The \"unread\" movement commands will stay on the same line if the
272 current article is unread."
273 :group 'gnus-summary-maneuvering
276 (defcustom gnus-auto-center-summary t
277 "*If non-nil, always center the current summary buffer.
278 In particular, if `vertical' do only vertical recentering. If non-nil
279 and non-`vertical', do both horizontal and vertical recentering."
280 :group 'gnus-summary-maneuvering
281 :type '(choice (const :tag "none" nil)
283 (sexp :menu-tag "both" t)))
285 (defcustom gnus-show-all-headers nil
286 "*If non-nil, don't hide any headers."
287 :group 'gnus-article-hiding
288 :group 'gnus-article-headers
291 (defcustom gnus-summary-ignore-duplicates nil
292 "*If non-nil, ignore articles with identical Message-ID headers."
296 (defcustom gnus-single-article-buffer t
297 "*If non-nil, display all articles in the same buffer.
298 If nil, each group will get its own article buffer."
299 :group 'gnus-article-various
302 (defcustom gnus-break-pages t
303 "*If non-nil, do page breaking on articles.
304 The page delimiter is specified by the `gnus-page-delimiter'
306 :group 'gnus-article-various
309 (defcustom gnus-show-mime nil
310 "*If non-nil, do mime processing of articles.
311 The articles will simply be fed to the function given by
312 `gnus-show-mime-method'."
313 :group 'gnus-article-mime
316 (defcustom gnus-move-split-methods nil
317 "*Variable used to suggest where articles are to be moved to.
318 It uses the same syntax as the `gnus-split-methods' variable."
319 :group 'gnus-summary-mail
320 :type '(repeat (choice (list function)
321 (cons regexp (repeat string))
324 (defcustom gnus-unread-mark ?
325 "*Mark used for unread articles."
326 :group 'gnus-summary-marks
329 (defcustom gnus-ticked-mark ?!
330 "*Mark used for ticked articles."
331 :group 'gnus-summary-marks
334 (defcustom gnus-dormant-mark ??
335 "*Mark used for dormant articles."
336 :group 'gnus-summary-marks
339 (defcustom gnus-del-mark ?r
340 "*Mark used for del'd articles."
341 :group 'gnus-summary-marks
344 (defcustom gnus-read-mark ?R
345 "*Mark used for read articles."
346 :group 'gnus-summary-marks
349 (defcustom gnus-expirable-mark ?E
350 "*Mark used for expirable articles."
351 :group 'gnus-summary-marks
354 (defcustom gnus-killed-mark ?K
355 "*Mark used for killed articles."
356 :group 'gnus-summary-marks
359 (defcustom gnus-souped-mark ?F
360 "*Mark used for killed articles."
361 :group 'gnus-summary-marks
364 (defcustom gnus-kill-file-mark ?X
365 "*Mark used for articles killed by kill files."
366 :group 'gnus-summary-marks
369 (defcustom gnus-low-score-mark ?Y
370 "*Mark used for articles with a low score."
371 :group 'gnus-summary-marks
374 (defcustom gnus-catchup-mark ?C
375 "*Mark used for articles that are caught up."
376 :group 'gnus-summary-marks
379 (defcustom gnus-replied-mark ?A
380 "*Mark used for articles that have been replied to."
381 :group 'gnus-summary-marks
384 (defcustom gnus-cached-mark ?*
385 "*Mark used for articles that are in the cache."
386 :group 'gnus-summary-marks
389 (defcustom gnus-saved-mark ?S
390 "*Mark used for articles that have been saved to."
391 :group 'gnus-summary-marks
394 (defcustom gnus-ancient-mark ?O
395 "*Mark used for ancient articles."
396 :group 'gnus-summary-marks
399 (defcustom gnus-sparse-mark ?Q
400 "*Mark used for sparsely reffed articles."
401 :group 'gnus-summary-marks
404 (defcustom gnus-canceled-mark ?G
405 "*Mark used for canceled articles."
406 :group 'gnus-summary-marks
409 (defcustom gnus-duplicate-mark ?M
410 "*Mark used for duplicate articles."
411 :group 'gnus-summary-marks
414 (defcustom gnus-score-over-mark ?+
415 "*Score mark used for articles with high scores."
416 :group 'gnus-summary-marks
419 (defcustom gnus-score-below-mark ?-
420 "*Score mark used for articles with low scores."
421 :group 'gnus-summary-marks
424 (defcustom gnus-empty-thread-mark ?
425 "*There is no thread under the article."
426 :group 'gnus-summary-marks
429 (defcustom gnus-not-empty-thread-mark ?=
430 "*There is a thread under the article."
431 :group 'gnus-summary-marks
434 (defcustom gnus-view-pseudo-asynchronously nil
435 "*If non-nil, Gnus will view pseudo-articles asynchronously."
436 :group 'gnus-extract-view
439 (defcustom gnus-view-pseudos nil
440 "*If `automatic', pseudo-articles will be viewed automatically.
441 If `not-confirm', pseudos will be viewed automatically, and the user
442 will not be asked to confirm the command."
443 :group 'gnus-extract-view
444 :type '(choice (const :tag "off" nil)
446 (const not-confirm)))
448 (defcustom gnus-view-pseudos-separately t
449 "*If non-nil, one pseudo-article will be created for each file to be viewed.
450 If nil, all files that use the same viewing command will be given as a
451 list of parameters to that command."
452 :group 'gnus-extract-view
455 (defcustom gnus-insert-pseudo-articles t
456 "*If non-nil, insert pseudo-articles when decoding articles."
457 :group 'gnus-extract-view
460 (defcustom gnus-summary-dummy-line-format
462 "*The format specification for the dummy roots in the summary buffer.
463 It works along the same lines as a normal formatting string,
464 with some simple extensions.
467 :group 'gnus-threading
470 (defcustom gnus-summary-mode-line-format "Gnus: %%b [%A] %Z"
471 "*The format specification for the summary mode line.
472 It works along the same lines as a normal formatting string,
473 with some simple extensions:
476 %p Unprefixed group name
477 %A Current article number
479 %U Number of unread articles in the group
480 %e Number of unselected articles in the group
481 %Z A string with unread/unselected article counts
482 %g Shortish group name
483 %S Subject of the current article
485 %s Current score file name
486 %d Number of dormant articles
487 %r Number of articles that have been marked as read in this session
488 %E Number of articles expunged by the score files"
489 :group 'gnus-summary-format
492 (defcustom gnus-summary-mark-below 0
493 "*Mark all articles with a score below this variable as read.
494 This variable is local to each summary buffer and usually set by the
496 :group 'gnus-score-default
499 (defcustom gnus-article-sort-functions '(gnus-article-sort-by-number)
500 "*List of functions used for sorting articles in the summary buffer.
501 This variable is only used when not using a threaded display."
502 :group 'gnus-summary-sort
503 :type '(repeat (choice (function-item gnus-article-sort-by-number)
504 (function-item gnus-article-sort-by-author)
505 (function-item gnus-article-sort-by-subject)
506 (function-item gnus-article-sort-by-date)
507 (function-item gnus-article-sort-by-score)
508 (function :tag "other"))))
510 (defcustom gnus-thread-sort-functions '(gnus-thread-sort-by-number)
511 "*List of functions used for sorting threads in the summary buffer.
512 By default, threads are sorted by article number.
514 Each function takes two threads and return non-nil if the first thread
515 should be sorted before the other. If you use more than one function,
516 the primary sort function should be the last. You should probably
517 always include `gnus-thread-sort-by-number' in the list of sorting
518 functions -- preferably first.
520 Ready-made functions include `gnus-thread-sort-by-number',
521 `gnus-thread-sort-by-author', `gnus-thread-sort-by-subject',
522 `gnus-thread-sort-by-date', `gnus-thread-sort-by-score' and
523 `gnus-thread-sort-by-total-score' (see `gnus-thread-score-function')."
524 :group 'gnus-summary-sort
525 :type '(repeat (choice (function-item gnus-thread-sort-by-number)
526 (function-item gnus-thread-sort-by-author)
527 (function-item gnus-thread-sort-by-subject)
528 (function-item gnus-thread-sort-by-date)
529 (function-item gnus-thread-sort-by-score)
530 (function-item gnus-thread-sort-by-total-score)
531 (function :tag "other"))))
533 (defcustom gnus-thread-score-function '+
534 "*Function used for calculating the total score of a thread.
536 The function is called with the scores of the article and each
537 subthread and should then return the score of the thread.
539 Some functions you can use are `+', `max', or `min'."
540 :group 'gnus-summary-sort
543 (defcustom gnus-summary-expunge-below nil
544 "All articles that have a score less than this variable will be expunged."
545 :group 'gnus-score-default
546 :type '(choice (const :tag "off" nil)
549 (defcustom gnus-thread-expunge-below nil
550 "All threads that have a total score less than this variable will be expunged.
551 See `gnus-thread-score-function' for en explanation of what a
552 \"thread score\" is."
553 :group 'gnus-treading
554 :group 'gnus-score-default
555 :type '(choice (const :tag "off" nil)
558 (defcustom gnus-summary-mode-hook nil
559 "*A hook for Gnus summary mode.
560 This hook is run before any variables are set in the summary buffer."
561 :group 'gnus-summary-various
564 (defcustom gnus-summary-menu-hook nil
565 "*Hook run after the creation of the summary mode menu."
566 :group 'gnus-summary-visual
569 (defcustom gnus-summary-exit-hook nil
570 "*A hook called on exit from the summary buffer.
571 It will be called with point in the group buffer."
572 :group 'gnus-summary-exit
575 (defcustom gnus-summary-prepare-hook nil
576 "*A hook called after the summary buffer has been generated.
577 If you want to modify the summary buffer, you can use this hook."
578 :group 'gnus-summary-various
581 (defcustom gnus-summary-generate-hook nil
582 "*A hook run just before generating the summary buffer.
583 This hook is commonly used to customize threading variables and the
585 :group 'gnus-summary-various
588 (defcustom gnus-select-group-hook nil
589 "*A hook called when a newsgroup is selected.
591 If you'd like to simplify subjects like the
592 `gnus-summary-next-same-subject' command does, you can use the
595 (setq gnus-select-group-hook
598 (mapcar (lambda (header)
599 (mail-header-set-subject
601 (gnus-simplify-subject
602 (mail-header-subject header) 're-only)))
603 gnus-newsgroup-headers))))"
604 :group 'gnus-group-select
607 (defcustom gnus-select-article-hook nil
608 "*A hook called when an article is selected."
609 :group 'gnus-summary-choose
612 (defcustom gnus-visual-mark-article-hook
613 (list 'gnus-highlight-selected-summary)
614 "*Hook run after selecting an article in the summary buffer.
615 It is meant to be used for highlighting the article in some way. It
616 is not run if `gnus-visual' is nil."
617 :group 'gnus-summary-visual
620 (defcustom gnus-parse-headers-hook
621 (list 'gnus-decode-rfc1522)
622 "*A hook called before parsing the headers."
626 (defcustom gnus-exit-group-hook nil
627 "*A hook called when exiting (not quitting) summary mode."
631 (defcustom gnus-summary-update-hook
632 (list 'gnus-summary-highlight-line)
633 "*A hook called when a summary line is changed.
634 The hook will not be called if `gnus-visual' is nil.
636 The default function `gnus-summary-highlight-line' will
637 highlight the line according to the `gnus-summary-highlight'
639 :group 'gnus-summary-visual
642 (defcustom gnus-mark-article-hook '(gnus-summary-mark-read-and-unread-as-read)
643 "*A hook called when an article is selected for the first time.
644 The hook is intended to mark an article as read (or unread)
645 automatically when it is selected."
646 :group 'gnus-summary-choose
649 (defcustom gnus-group-no-more-groups-hook nil
650 "*A hook run when returning to group mode having no more (unread) groups."
651 :group 'gnus-group-select
654 (defcustom gnus-ps-print-hook nil
655 "*A hook run before ps-printing something from Gnus."
659 (defcustom gnus-summary-selected-face 'gnus-summary-selected-face
660 "Face used for highlighting the current article in the summary buffer."
661 :group 'gnus-summary-visual
664 (defcustom gnus-summary-highlight
665 '(((= mark gnus-canceled-mark)
666 . gnus-summary-cancelled-face)
667 ((and (> score default)
668 (or (= mark gnus-dormant-mark)
669 (= mark gnus-ticked-mark)))
670 . gnus-summary-high-ticked-face)
671 ((and (< score default)
672 (or (= mark gnus-dormant-mark)
673 (= mark gnus-ticked-mark)))
674 . gnus-summary-low-ticked-face)
675 ((or (= mark gnus-dormant-mark)
676 (= mark gnus-ticked-mark))
677 . gnus-summary-normal-ticked-face)
678 ((and (> score default) (= mark gnus-ancient-mark))
679 . gnus-summary-high-ancient-face)
680 ((and (< score default) (= mark gnus-ancient-mark))
681 . gnus-summary-low-ancient-face)
682 ((= mark gnus-ancient-mark)
683 . gnus-summary-normal-ancient-face)
684 ((and (> score default) (= mark gnus-unread-mark))
685 . gnus-summary-high-unread-face)
686 ((and (< score default) (= mark gnus-unread-mark))
687 . gnus-summary-low-unread-face)
688 ((and (= mark gnus-unread-mark))
689 . gnus-summary-normal-unread-face)
691 . gnus-summary-high-read-face)
693 . gnus-summary-low-read-face)
695 . gnus-summary-normal-read-face))
696 "Controls the highlighting of summary buffer lines.
698 A list of (FORM . FACE) pairs. When deciding how a a particular
699 summary line should be displayed, each form is evaluated. The content
700 of the face field after the first true form is used. You can change
701 how those summary lines are displayed, by editing the face field.
703 You can use the following variables in the FORM field.
705 score: The articles score
706 default: The default article score.
707 below: The score below which articles are automatically marked as read.
708 mark: The articles mark."
709 :group 'gnus-summary-visual
710 :type '(repeat (cons (sexp :tag "Form" nil)
714 ;;; Internal variables
716 (defvar gnus-scores-exclude-files nil)
718 (defvar gnus-summary-display-table
719 ;; Change the display table. Odd characters have a tendency to mess
720 ;; up nicely formatted displays - we make all possible glyphs
721 ;; display only a single character.
723 ;; We start from the standard display table, if any.
724 (let ((table (or (copy-sequence standard-display-table)
725 (make-display-table)))
726 ;; Nix out all the control chars...
728 (while (>= (setq i (1- i)) 0)
730 ;; ... but not newline and cr, of course. (cr is necessary for the
731 ;; selective display).
734 ;; We nix out any glyphs over 126 that are not set already.
736 (while (>= (setq i (1- i)) 127)
737 ;; Only modify if the entry is nil.
739 (aset table i [??]))))
741 "Display table used in summary mode buffers.")
743 (defvar gnus-original-article nil)
744 (defvar gnus-article-internal-prepare-hook nil)
745 (defvar gnus-newsgroup-process-stack nil)
747 (defvar gnus-thread-indent-array nil)
748 (defvar gnus-thread-indent-array-level gnus-thread-indent-level)
750 ;; Avoid highlighting in kill files.
751 (defvar gnus-summary-inhibit-highlight nil)
752 (defvar gnus-newsgroup-selected-overlay nil)
753 (defvar gnus-inhibit-limiting nil)
754 (defvar gnus-newsgroup-adaptive-score-file nil)
755 (defvar gnus-current-score-file nil)
756 (defvar gnus-current-move-group nil)
757 (defvar gnus-current-copy-group nil)
758 (defvar gnus-current-crosspost-group nil)
760 (defvar gnus-newsgroup-dependencies nil)
761 (defvar gnus-newsgroup-adaptive nil)
762 (defvar gnus-summary-display-article-function nil)
763 (defvar gnus-summary-highlight-line-function nil
764 "Function called after highlighting a summary line.")
766 (defvar gnus-summary-line-format-alist
767 `((?N ,(macroexpand '(mail-header-number gnus-tmp-header)) ?d)
768 (?S ,(macroexpand '(mail-header-subject gnus-tmp-header)) ?s)
769 (?s gnus-tmp-subject-or-nil ?s)
770 (?n gnus-tmp-name ?s)
771 (?A (car (cdr (funcall gnus-extract-address-components gnus-tmp-from)))
773 (?a (or (car (funcall gnus-extract-address-components gnus-tmp-from))
775 (?F gnus-tmp-from ?s)
776 (?x ,(macroexpand '(mail-header-xref gnus-tmp-header)) ?s)
777 (?D ,(macroexpand '(mail-header-date gnus-tmp-header)) ?s)
778 (?d (gnus-dd-mmm (mail-header-date gnus-tmp-header)) ?s)
779 (?o (gnus-date-iso8601 gnus-tmp-header) ?s)
780 (?M ,(macroexpand '(mail-header-id gnus-tmp-header)) ?s)
781 (?r ,(macroexpand '(mail-header-references gnus-tmp-header)) ?s)
782 (?c (or (mail-header-chars gnus-tmp-header) 0) ?d)
783 (?L gnus-tmp-lines ?d)
784 (?I gnus-tmp-indentation ?s)
785 (?T (if (= gnus-tmp-level 0) "" (make-string (frame-width) ? )) ?s)
786 (?R gnus-tmp-replied ?c)
787 (?\[ gnus-tmp-opening-bracket ?c)
788 (?\] gnus-tmp-closing-bracket ?c)
789 (?\> (make-string gnus-tmp-level ? ) ?s)
790 (?\< (make-string (max 0 (- 20 gnus-tmp-level)) ? ) ?s)
791 (?i gnus-tmp-score ?d)
792 (?z gnus-tmp-score-char ?c)
793 (?l (bbb-grouplens-score gnus-tmp-header) ?s)
794 (?V (gnus-thread-total-score (and (boundp 'thread) (car thread))) ?d)
795 (?U gnus-tmp-unread ?c)
796 (?t (gnus-summary-number-of-articles-in-thread
797 (and (boundp 'thread) (car thread)) gnus-tmp-level)
799 (?e (gnus-summary-number-of-articles-in-thread
800 (and (boundp 'thread) (car thread)) gnus-tmp-level t)
802 (?u gnus-tmp-user-defined ?s)
803 (?P (gnus-pick-line-number) ?d))
804 "An alist of format specifications that can appear in summary lines,
805 and what variables they correspond with, along with the type of the
806 variable (string, integer, character, etc).")
808 (defvar gnus-summary-dummy-line-format-alist
809 `((?S gnus-tmp-subject ?s)
810 (?N gnus-tmp-number ?d)
811 (?u gnus-tmp-user-defined ?s)))
813 (defvar gnus-summary-mode-line-format-alist
814 `((?G gnus-tmp-group-name ?s)
815 (?g (gnus-short-group-name gnus-tmp-group-name) ?s)
816 (?p (gnus-group-real-name gnus-tmp-group-name) ?s)
817 (?A gnus-tmp-article-number ?d)
818 (?Z gnus-tmp-unread-and-unselected ?s)
820 (?U gnus-tmp-unread-and-unticked ?d)
821 (?S gnus-tmp-subject ?s)
822 (?e gnus-tmp-unselected ?d)
823 (?u gnus-tmp-user-defined ?s)
824 (?d (length gnus-newsgroup-dormant) ?d)
825 (?t (length gnus-newsgroup-marked) ?d)
826 (?r (length gnus-newsgroup-reads) ?d)
827 (?E gnus-newsgroup-expunged-tally ?d)
828 (?s (gnus-current-score-file-nondirectory) ?s)))
830 (defvar gnus-last-search-regexp nil
831 "Default regexp for article search command.")
833 (defvar gnus-last-shell-command nil
834 "Default shell command on article.")
836 (defvar gnus-newsgroup-begin nil)
837 (defvar gnus-newsgroup-end nil)
838 (defvar gnus-newsgroup-last-rmail nil)
839 (defvar gnus-newsgroup-last-mail nil)
840 (defvar gnus-newsgroup-last-folder nil)
841 (defvar gnus-newsgroup-last-file nil)
842 (defvar gnus-newsgroup-auto-expire nil)
843 (defvar gnus-newsgroup-active nil)
845 (defvar gnus-newsgroup-data nil)
846 (defvar gnus-newsgroup-data-reverse nil)
847 (defvar gnus-newsgroup-limit nil)
848 (defvar gnus-newsgroup-limits nil)
850 (defvar gnus-newsgroup-unreads nil
851 "List of unread articles in the current newsgroup.")
853 (defvar gnus-newsgroup-unselected nil
854 "List of unselected unread articles in the current newsgroup.")
856 (defvar gnus-newsgroup-reads nil
857 "Alist of read articles and article marks in the current newsgroup.")
859 (defvar gnus-newsgroup-expunged-tally nil)
861 (defvar gnus-newsgroup-marked nil
862 "List of ticked articles in the current newsgroup (a subset of unread art).")
864 (defvar gnus-newsgroup-killed nil
865 "List of ranges of articles that have been through the scoring process.")
867 (defvar gnus-newsgroup-cached nil
868 "List of articles that come from the article cache.")
870 (defvar gnus-newsgroup-saved nil
871 "List of articles that have been saved.")
873 (defvar gnus-newsgroup-kill-headers nil)
875 (defvar gnus-newsgroup-replied nil
876 "List of articles that have been replied to in the current newsgroup.")
878 (defvar gnus-newsgroup-expirable nil
879 "List of articles in the current newsgroup that can be expired.")
881 (defvar gnus-newsgroup-processable nil
882 "List of articles in the current newsgroup that can be processed.")
884 (defvar gnus-newsgroup-bookmarks nil
885 "List of articles in the current newsgroup that have bookmarks.")
887 (defvar gnus-newsgroup-dormant nil
888 "List of dormant articles in the current newsgroup.")
890 (defvar gnus-newsgroup-scored nil
891 "List of scored articles in the current newsgroup.")
893 (defvar gnus-newsgroup-headers nil
894 "List of article headers in the current newsgroup.")
896 (defvar gnus-newsgroup-threads nil)
898 (defvar gnus-newsgroup-prepared nil
899 "Whether the current group has been prepared properly.")
901 (defvar gnus-newsgroup-ancient nil
902 "List of `gnus-fetch-old-headers' articles in the current newsgroup.")
904 (defvar gnus-newsgroup-sparse nil)
906 (defvar gnus-current-article nil)
907 (defvar gnus-article-current nil)
908 (defvar gnus-current-headers nil)
909 (defvar gnus-have-all-headers nil)
910 (defvar gnus-last-article nil)
911 (defvar gnus-newsgroup-history nil)
913 (defconst gnus-summary-local-variables
914 '(gnus-newsgroup-name
915 gnus-newsgroup-begin gnus-newsgroup-end
916 gnus-newsgroup-last-rmail gnus-newsgroup-last-mail
917 gnus-newsgroup-last-folder gnus-newsgroup-last-file
918 gnus-newsgroup-auto-expire gnus-newsgroup-unreads
919 gnus-newsgroup-unselected gnus-newsgroup-marked
920 gnus-newsgroup-reads gnus-newsgroup-saved
921 gnus-newsgroup-replied gnus-newsgroup-expirable
922 gnus-newsgroup-processable gnus-newsgroup-killed
923 gnus-newsgroup-bookmarks gnus-newsgroup-dormant
924 gnus-newsgroup-headers gnus-newsgroup-threads
925 gnus-newsgroup-prepared gnus-summary-highlight-line-function
926 gnus-current-article gnus-current-headers gnus-have-all-headers
927 gnus-last-article gnus-article-internal-prepare-hook
928 gnus-newsgroup-dependencies gnus-newsgroup-selected-overlay
929 gnus-newsgroup-scored gnus-newsgroup-kill-headers
930 gnus-thread-expunge-below
931 gnus-score-alist gnus-current-score-file gnus-summary-expunge-below
932 (gnus-summary-mark-below . global)
933 gnus-newsgroup-active gnus-scores-exclude-files
934 gnus-newsgroup-history gnus-newsgroup-ancient
935 gnus-newsgroup-sparse gnus-newsgroup-process-stack
936 (gnus-newsgroup-adaptive . gnus-use-adaptive-scoring)
937 gnus-newsgroup-adaptive-score-file (gnus-reffed-article-number . -1)
938 (gnus-newsgroup-expunged-tally . 0)
939 gnus-cache-removable-articles gnus-newsgroup-cached
940 gnus-newsgroup-data gnus-newsgroup-data-reverse
941 gnus-newsgroup-limit gnus-newsgroup-limits)
942 "Variables that are buffer-local to the summary buffers.")
944 ;; Byte-compiler warning.
945 (defvar gnus-article-mode-map)
947 ;; Subject simplification.
949 (defsubst gnus-simplify-subject-re (subject)
950 "Remove \"Re:\" from subject lines."
951 (if (string-match "^[Rr][Ee]: *" subject)
952 (substring subject (match-end 0))
955 (defun gnus-simplify-subject (subject &optional re-only)
956 "Remove `Re:' and words in parentheses.
957 If RE-ONLY is non-nil, strip leading `Re:'s only."
958 (let ((case-fold-search t)) ;Ignore case.
959 ;; Remove `Re:', `Re^N:', `Re(n)', and `Re[n]:'.
960 (when (string-match "\\`\\(re\\([[(^][0-9]+[])]?\\)?:[ \t]*\\)+" subject)
961 (setq subject (substring subject (match-end 0))))
962 ;; Remove uninteresting prefixes.
963 (when (and (not re-only)
964 gnus-simplify-ignored-prefixes
965 (string-match gnus-simplify-ignored-prefixes subject))
966 (setq subject (substring subject (match-end 0))))
967 ;; Remove words in parentheses from end.
969 (while (string-match "[ \t\n]*([^()]*)[ \t\n]*\\'" subject)
970 (setq subject (substring subject 0 (match-beginning 0)))))
971 ;; Return subject string.
974 ;; Remove any leading "re:"s, any trailing paren phrases, and simplify
976 (defsubst gnus-simplify-buffer-fuzzy-step (regexp &optional newtext)
977 (goto-char (point-min))
978 (while (re-search-forward regexp nil t)
979 (replace-match (or newtext ""))))
981 (defun gnus-simplify-buffer-fuzzy ()
982 "Simplify string in the buffer fuzzily.
983 The string in the accessible portion of the current buffer is simplified.
984 It is assumed to be a single-line subject.
985 Whitespace is generally cleaned up, and miscellaneous leading/trailing
986 matter is removed. Additional things can be deleted by setting
987 gnus-simplify-subject-fuzzy-regexp."
988 (let ((case-fold-search t)
990 (gnus-simplify-buffer-fuzzy-step "\t" " ")
992 (while (not (eq modified-tick (buffer-modified-tick)))
993 (setq modified-tick (buffer-modified-tick))
995 ((listp gnus-simplify-subject-fuzzy-regexp)
996 (mapcar 'gnus-simplify-buffer-fuzzy-step
997 gnus-simplify-subject-fuzzy-regexp))
998 (gnus-simplify-subject-fuzzy-regexp
999 (gnus-simplify-buffer-fuzzy-step gnus-simplify-subject-fuzzy-regexp)))
1000 (gnus-simplify-buffer-fuzzy-step "^ *\\[[-+?*!][-+?*!]\\] *")
1001 (gnus-simplify-buffer-fuzzy-step
1002 "^ *\\(re\\|fw\\|fwd\\)[[{(^0-9]*[])}]?[:;] *")
1003 (gnus-simplify-buffer-fuzzy-step "^[[].*:\\( .*\\)[]]$" "\\1"))
1005 (gnus-simplify-buffer-fuzzy-step " *[[{(][^()\n]*[]})] *$")
1006 (gnus-simplify-buffer-fuzzy-step " +" " ")
1007 (gnus-simplify-buffer-fuzzy-step " $")
1008 (gnus-simplify-buffer-fuzzy-step "^ +")))
1010 (defun gnus-simplify-subject-fuzzy (subject)
1011 "Simplify a subject string fuzzily.
1012 See gnus-simplify-buffer-fuzzy for details."
1014 (gnus-set-work-buffer)
1015 (let ((case-fold-search t))
1017 (inline (gnus-simplify-buffer-fuzzy))
1020 (defsubst gnus-simplify-subject-fully (subject)
1021 "Simplify a subject string according to gnus-summary-gather-subject-limit."
1023 ((null gnus-summary-gather-subject-limit)
1024 (gnus-simplify-subject-re subject))
1025 ((eq gnus-summary-gather-subject-limit 'fuzzy)
1026 (gnus-simplify-subject-fuzzy subject))
1027 ((numberp gnus-summary-gather-subject-limit)
1028 (gnus-limit-string (gnus-simplify-subject-re subject)
1029 gnus-summary-gather-subject-limit))
1033 (defsubst gnus-subject-equal (s1 s2 &optional simple-first)
1034 "Check whether two subjects are equal. If optional argument
1035 simple-first is t, first argument is already simplified."
1037 ((null simple-first)
1038 (equal (gnus-simplify-subject-fully s1)
1039 (gnus-simplify-subject-fully s2)))
1042 (gnus-simplify-subject-fully s2)))))
1044 (defun gnus-summary-bubble-group ()
1045 "Increase the score of the current group.
1046 This is a handy function to add to `gnus-summary-exit-hook' to
1047 increase the score of each group you read."
1048 (gnus-group-add-score gnus-newsgroup-name))
1052 ;;; Gnus summary mode
1055 (put 'gnus-summary-mode 'mode-class 'special)
1058 ;; Non-orthogonal keys
1060 (gnus-define-keys gnus-summary-mode-map
1061 " " gnus-summary-next-page
1062 "\177" gnus-summary-prev-page
1063 [delete] gnus-summary-prev-page
1064 "\r" gnus-summary-scroll-up
1065 "n" gnus-summary-next-unread-article
1066 "p" gnus-summary-prev-unread-article
1067 "N" gnus-summary-next-article
1068 "P" gnus-summary-prev-article
1069 "\M-\C-n" gnus-summary-next-same-subject
1070 "\M-\C-p" gnus-summary-prev-same-subject
1071 "\M-n" gnus-summary-next-unread-subject
1072 "\M-p" gnus-summary-prev-unread-subject
1073 "." gnus-summary-first-unread-article
1074 "," gnus-summary-best-unread-article
1075 "\M-s" gnus-summary-search-article-forward
1076 "\M-r" gnus-summary-search-article-backward
1077 "<" gnus-summary-beginning-of-article
1078 ">" gnus-summary-end-of-article
1079 "j" gnus-summary-goto-article
1080 "^" gnus-summary-refer-parent-article
1081 "\M-^" gnus-summary-refer-article
1082 "u" gnus-summary-tick-article-forward
1083 "!" gnus-summary-tick-article-forward
1084 "U" gnus-summary-tick-article-backward
1085 "d" gnus-summary-mark-as-read-forward
1086 "D" gnus-summary-mark-as-read-backward
1087 "E" gnus-summary-mark-as-expirable
1088 "\M-u" gnus-summary-clear-mark-forward
1089 "\M-U" gnus-summary-clear-mark-backward
1090 "k" gnus-summary-kill-same-subject-and-select
1091 "\C-k" gnus-summary-kill-same-subject
1092 "\M-\C-k" gnus-summary-kill-thread
1093 "\M-\C-l" gnus-summary-lower-thread
1094 "e" gnus-summary-edit-article
1095 "#" gnus-summary-mark-as-processable
1096 "\M-#" gnus-summary-unmark-as-processable
1097 "\M-\C-t" gnus-summary-toggle-threads
1098 "\M-\C-s" gnus-summary-show-thread
1099 "\M-\C-h" gnus-summary-hide-thread
1100 "\M-\C-f" gnus-summary-next-thread
1101 "\M-\C-b" gnus-summary-prev-thread
1102 "\M-\C-u" gnus-summary-up-thread
1103 "\M-\C-d" gnus-summary-down-thread
1104 "&" gnus-summary-execute-command
1105 "c" gnus-summary-catchup-and-exit
1106 "\C-w" gnus-summary-mark-region-as-read
1107 "\C-t" gnus-summary-toggle-truncation
1108 "?" gnus-summary-mark-as-dormant
1109 "\C-c\M-\C-s" gnus-summary-limit-include-expunged
1110 "\C-c\C-s\C-n" gnus-summary-sort-by-number
1111 "\C-c\C-s\C-l" gnus-summary-sort-by-lines
1112 "\C-c\C-s\C-a" gnus-summary-sort-by-author
1113 "\C-c\C-s\C-s" gnus-summary-sort-by-subject
1114 "\C-c\C-s\C-d" gnus-summary-sort-by-date
1115 "\C-c\C-s\C-i" gnus-summary-sort-by-score
1116 "=" gnus-summary-expand-window
1117 "\C-x\C-s" gnus-summary-reselect-current-group
1118 "\M-g" gnus-summary-rescan-group
1119 "w" gnus-summary-stop-page-breaking
1120 "\C-c\C-r" gnus-summary-caesar-message
1121 "\M-t" gnus-summary-toggle-mime
1122 "f" gnus-summary-followup
1123 "F" gnus-summary-followup-with-original
1124 "C" gnus-summary-cancel-article
1125 "r" gnus-summary-reply
1126 "R" gnus-summary-reply-with-original
1127 "\C-c\C-f" gnus-summary-mail-forward
1128 "o" gnus-summary-save-article
1129 "\C-o" gnus-summary-save-article-mail
1130 "|" gnus-summary-pipe-output
1131 "\M-k" gnus-summary-edit-local-kill
1132 "\M-K" gnus-summary-edit-global-kill
1134 "\C-c\C-d" gnus-summary-describe-group
1135 "q" gnus-summary-exit
1136 "Q" gnus-summary-exit-no-update
1137 "\C-c\C-i" gnus-info-find-node
1138 gnus-mouse-2 gnus-mouse-pick-article
1139 "m" gnus-summary-mail-other-window
1140 "a" gnus-summary-post-news
1141 "x" gnus-summary-limit-to-unread
1142 "s" gnus-summary-isearch-article
1143 "t" gnus-article-hide-headers
1144 "g" gnus-summary-show-article
1145 "l" gnus-summary-goto-last-article
1146 "\C-c\C-v\C-v" gnus-uu-decode-uu-view
1147 "\C-d" gnus-summary-enter-digest-group
1148 "\M-\C-d" gnus-summary-read-document
1150 "*" gnus-cache-enter-article
1151 "\M-*" gnus-cache-remove-article
1152 "\M-&" gnus-summary-universal-argument
1153 "\C-l" gnus-recenter
1154 "I" gnus-summary-increase-score
1155 "L" gnus-summary-lower-score
1157 "V" gnus-summary-score-map
1158 "X" gnus-uu-extract-map
1159 "S" gnus-summary-send-map)
1161 ;; Sort of orthogonal keymap
1162 (gnus-define-keys (gnus-summary-mark-map "M" gnus-summary-mode-map)
1163 "t" gnus-summary-tick-article-forward
1164 "!" gnus-summary-tick-article-forward
1165 "d" gnus-summary-mark-as-read-forward
1166 "r" gnus-summary-mark-as-read-forward
1167 "c" gnus-summary-clear-mark-forward
1168 " " gnus-summary-clear-mark-forward
1169 "e" gnus-summary-mark-as-expirable
1170 "x" gnus-summary-mark-as-expirable
1171 "?" gnus-summary-mark-as-dormant
1172 "b" gnus-summary-set-bookmark
1173 "B" gnus-summary-remove-bookmark
1174 "#" gnus-summary-mark-as-processable
1175 "\M-#" gnus-summary-unmark-as-processable
1176 "S" gnus-summary-limit-include-expunged
1177 "C" gnus-summary-catchup
1178 "H" gnus-summary-catchup-to-here
1179 "\C-c" gnus-summary-catchup-all
1180 "k" gnus-summary-kill-same-subject-and-select
1181 "K" gnus-summary-kill-same-subject
1182 "P" gnus-uu-mark-map)
1184 (gnus-define-keys (gnus-summary-mscore-map "V" gnus-summary-mark-map)
1185 "c" gnus-summary-clear-above
1186 "u" gnus-summary-tick-above
1187 "m" gnus-summary-mark-above
1188 "k" gnus-summary-kill-below)
1190 (gnus-define-keys (gnus-summary-limit-map "/" gnus-summary-mode-map)
1191 "/" gnus-summary-limit-to-subject
1192 "n" gnus-summary-limit-to-articles
1193 "w" gnus-summary-pop-limit
1194 "s" gnus-summary-limit-to-subject
1195 "a" gnus-summary-limit-to-author
1196 "u" gnus-summary-limit-to-unread
1197 "m" gnus-summary-limit-to-marks
1198 "v" gnus-summary-limit-to-score
1199 "D" gnus-summary-limit-include-dormant
1200 "d" gnus-summary-limit-exclude-dormant
1201 "t" gnus-summary-limit-to-age
1202 "E" gnus-summary-limit-include-expunged
1203 "c" gnus-summary-limit-exclude-childless-dormant
1204 "C" gnus-summary-limit-mark-excluded-as-read)
1206 (gnus-define-keys (gnus-summary-goto-map "G" gnus-summary-mode-map)
1207 "n" gnus-summary-next-unread-article
1208 "p" gnus-summary-prev-unread-article
1209 "N" gnus-summary-next-article
1210 "P" gnus-summary-prev-article
1211 "\C-n" gnus-summary-next-same-subject
1212 "\C-p" gnus-summary-prev-same-subject
1213 "\M-n" gnus-summary-next-unread-subject
1214 "\M-p" gnus-summary-prev-unread-subject
1215 "f" gnus-summary-first-unread-article
1216 "b" gnus-summary-best-unread-article
1217 "j" gnus-summary-goto-article
1218 "g" gnus-summary-goto-subject
1219 "l" gnus-summary-goto-last-article
1220 "p" gnus-summary-pop-article)
1222 (gnus-define-keys (gnus-summary-thread-map "T" gnus-summary-mode-map)
1223 "k" gnus-summary-kill-thread
1224 "l" gnus-summary-lower-thread
1225 "i" gnus-summary-raise-thread
1226 "T" gnus-summary-toggle-threads
1227 "t" gnus-summary-rethread-current
1228 "^" gnus-summary-reparent-thread
1229 "s" gnus-summary-show-thread
1230 "S" gnus-summary-show-all-threads
1231 "h" gnus-summary-hide-thread
1232 "H" gnus-summary-hide-all-threads
1233 "n" gnus-summary-next-thread
1234 "p" gnus-summary-prev-thread
1235 "u" gnus-summary-up-thread
1236 "o" gnus-summary-top-thread
1237 "d" gnus-summary-down-thread
1238 "#" gnus-uu-mark-thread
1239 "\M-#" gnus-uu-unmark-thread)
1241 (gnus-define-keys (gnus-summary-buffer-map "Y" gnus-summary-mode-map)
1242 "g" gnus-summary-prepare
1243 "c" gnus-summary-insert-cached-articles)
1245 (gnus-define-keys (gnus-summary-exit-map "Z" gnus-summary-mode-map)
1246 "c" gnus-summary-catchup-and-exit
1247 "C" gnus-summary-catchup-all-and-exit
1248 "E" gnus-summary-exit-no-update
1249 "Q" gnus-summary-exit
1250 "Z" gnus-summary-exit
1251 "n" gnus-summary-catchup-and-goto-next-group
1252 "R" gnus-summary-reselect-current-group
1253 "G" gnus-summary-rescan-group
1254 "N" gnus-summary-next-group
1255 "s" gnus-summary-save-newsrc
1256 "P" gnus-summary-prev-group)
1258 (gnus-define-keys (gnus-summary-article-map "A" gnus-summary-mode-map)
1259 " " gnus-summary-next-page
1260 "n" gnus-summary-next-page
1261 "\177" gnus-summary-prev-page
1262 [delete] gnus-summary-prev-page
1263 "p" gnus-summary-prev-page
1264 "\r" gnus-summary-scroll-up
1265 "<" gnus-summary-beginning-of-article
1266 ">" gnus-summary-end-of-article
1267 "b" gnus-summary-beginning-of-article
1268 "e" gnus-summary-end-of-article
1269 "^" gnus-summary-refer-parent-article
1270 "r" gnus-summary-refer-parent-article
1271 "R" gnus-summary-refer-references
1272 "g" gnus-summary-show-article
1273 "s" gnus-summary-isearch-article
1274 "P" gnus-summary-print-article)
1276 (gnus-define-keys (gnus-summary-wash-map "W" gnus-summary-mode-map)
1277 "b" gnus-article-add-buttons
1278 "B" gnus-article-add-buttons-to-head
1279 "o" gnus-article-treat-overstrike
1280 "e" gnus-article-emphasize
1281 "w" gnus-article-fill-cited-article
1282 "c" gnus-article-remove-cr
1283 "q" gnus-article-de-quoted-unreadable
1284 "f" gnus-article-display-x-face
1285 "l" gnus-summary-stop-page-breaking
1286 "r" gnus-summary-caesar-message
1287 "t" gnus-article-hide-headers
1288 "v" gnus-summary-verbose-headers
1289 "m" gnus-summary-toggle-mime
1290 "h" gnus-article-treat-html)
1292 (gnus-define-keys (gnus-summary-wash-hide-map "W" gnus-summary-wash-map)
1293 "a" gnus-article-hide
1294 "h" gnus-article-hide-headers
1295 "b" gnus-article-hide-boring-headers
1296 "s" gnus-article-hide-signature
1297 "c" gnus-article-hide-citation
1298 "p" gnus-article-hide-pgp
1299 "P" gnus-article-hide-pem
1300 "\C-c" gnus-article-hide-citation-maybe)
1302 (gnus-define-keys (gnus-summary-wash-highlight-map "H" gnus-summary-wash-map)
1303 "a" gnus-article-highlight
1304 "h" gnus-article-highlight-headers
1305 "c" gnus-article-highlight-citation
1306 "s" gnus-article-highlight-signature)
1308 (gnus-define-keys (gnus-summary-wash-time-map "T" gnus-summary-wash-map)
1309 "z" gnus-article-date-ut
1310 "u" gnus-article-date-ut
1311 "l" gnus-article-date-local
1312 "e" gnus-article-date-lapsed
1313 "o" gnus-article-date-original
1314 "s" gnus-article-date-user)
1316 (gnus-define-keys (gnus-summary-wash-empty-map "E" gnus-summary-wash-map)
1317 "t" gnus-article-remove-trailing-blank-lines
1318 "l" gnus-article-strip-leading-blank-lines
1319 "m" gnus-article-strip-multiple-blank-lines
1320 "a" gnus-article-strip-blank-lines
1321 "s" gnus-article-strip-leading-space)
1323 (gnus-define-keys (gnus-summary-help-map "H" gnus-summary-mode-map)
1325 "f" gnus-summary-fetch-faq
1326 "d" gnus-summary-describe-group
1327 "h" gnus-summary-describe-briefly
1328 "i" gnus-info-find-node)
1330 (gnus-define-keys (gnus-summary-backend-map "B" gnus-summary-mode-map)
1331 "e" gnus-summary-expire-articles
1332 "\M-\C-e" gnus-summary-expire-articles-now
1333 "\177" gnus-summary-delete-article
1334 [delete] gnus-summary-delete-article
1335 "m" gnus-summary-move-article
1336 "r" gnus-summary-respool-article
1337 "w" gnus-summary-edit-article
1338 "c" gnus-summary-copy-article
1339 "B" gnus-summary-crosspost-article
1340 "q" gnus-summary-respool-query
1341 "i" gnus-summary-import-article
1342 "p" gnus-summary-article-posted-p)
1344 (gnus-define-keys (gnus-summary-save-map "O" gnus-summary-mode-map)
1345 "o" gnus-summary-save-article
1346 "m" gnus-summary-save-article-mail
1347 "F" gnus-summary-write-article-file
1348 "r" gnus-summary-save-article-rmail
1349 "f" gnus-summary-save-article-file
1350 "b" gnus-summary-save-article-body-file
1351 "h" gnus-summary-save-article-folder
1352 "v" gnus-summary-save-article-vm
1353 "p" gnus-summary-pipe-output
1354 "s" gnus-soup-add-article))
1356 (defun gnus-summary-make-menu-bar ()
1357 (gnus-turn-off-edit-menu 'summary)
1359 (unless (boundp 'gnus-summary-misc-menu)
1362 gnus-summary-kill-menu gnus-summary-mode-map ""
1367 ["Enter score..." gnus-summary-score-entry t]
1368 ["Customize" gnus-score-customize t])
1369 (gnus-make-score-map 'increase)
1370 (gnus-make-score-map 'lower)
1372 ["Kill below" gnus-summary-kill-below t]
1373 ["Mark above" gnus-summary-mark-above t]
1374 ["Tick above" gnus-summary-tick-above t]
1375 ["Clear above" gnus-summary-clear-above t])
1376 ["Current score" gnus-summary-current-score t]
1377 ["Set score" gnus-summary-set-score t]
1378 ["Switch current score file..." gnus-score-change-score-file t]
1379 ["Set mark below..." gnus-score-set-mark-below t]
1380 ["Set expunge below..." gnus-score-set-expunge-below t]
1381 ["Edit current score file" gnus-score-edit-current-scores t]
1382 ["Edit score file" gnus-score-edit-file t]
1383 ["Trace score" gnus-score-find-trace t]
1384 ["Find words" gnus-score-find-favourite-words t]
1385 ["Rescore buffer" gnus-summary-rescore t]
1386 ["Increase score..." gnus-summary-increase-score t]
1387 ["Lower score..." gnus-summary-lower-score t]))))
1390 ["Ask" (gnus-score-set-default 'gnus-score-default-header nil)
1392 :selected (null gnus-score-default-header)]
1393 ["From" (gnus-score-set-default 'gnus-score-default-header 'a)
1395 :selected (eq gnus-score-default-header 'a)]
1396 ["Subject" (gnus-score-set-default 'gnus-score-default-header 's)
1398 :selected (eq gnus-score-default-header 's)]
1400 (gnus-score-set-default 'gnus-score-default-header 'b)
1402 :selected (eq gnus-score-default-header 'b )]
1404 (gnus-score-set-default 'gnus-score-default-header 'h)
1406 :selected (eq gnus-score-default-header 'h )]
1407 ["Message-ID" (gnus-score-set-default 'gnus-score-default-header 'i)
1409 :selected (eq gnus-score-default-header 'i )]
1410 ["Thread" (gnus-score-set-default 'gnus-score-default-header 't)
1412 :selected (eq gnus-score-default-header 't )]
1414 (gnus-score-set-default 'gnus-score-default-header 'x)
1416 :selected (eq gnus-score-default-header 'x )]
1417 ["Lines" (gnus-score-set-default 'gnus-score-default-header 'l)
1419 :selected (eq gnus-score-default-header 'l )]
1420 ["Date" (gnus-score-set-default 'gnus-score-default-header 'd)
1422 :selected (eq gnus-score-default-header 'd )]
1423 ["Followups to author"
1424 (gnus-score-set-default 'gnus-score-default-header 'f)
1426 :selected (eq gnus-score-default-header 'f )])
1428 ["Ask" (gnus-score-set-default 'gnus-score-default-type nil)
1430 :selected (null gnus-score-default-type)]
1431 ;; The `:active' key is commented out in the following,
1432 ;; because the GNU Emacs hack to support radio buttons use
1433 ;; active to indicate which button is selected.
1434 ["Substring" (gnus-score-set-default 'gnus-score-default-type 's)
1436 ;; :active (not (memq gnus-score-default-header '(l d)))
1437 :selected (eq gnus-score-default-type 's)]
1438 ["Regexp" (gnus-score-set-default 'gnus-score-default-type 'r)
1440 ;; :active (not (memq gnus-score-default-header '(l d)))
1441 :selected (eq gnus-score-default-type 'r)]
1442 ["Exact" (gnus-score-set-default 'gnus-score-default-type 'e)
1444 ;; :active (not (memq gnus-score-default-header '(l d)))
1445 :selected (eq gnus-score-default-type 'e)]
1446 ["Fuzzy" (gnus-score-set-default 'gnus-score-default-type 'f)
1448 ;; :active (not (memq gnus-score-default-header '(l d)))
1449 :selected (eq gnus-score-default-type 'f)]
1450 ["Before date" (gnus-score-set-default 'gnus-score-default-type 'b)
1452 ;; :active (eq (gnus-score-default-header 'd))
1453 :selected (eq gnus-score-default-type 'b)]
1454 ["At date" (gnus-score-set-default 'gnus-score-default-type 'n)
1456 ;; :active (eq (gnus-score-default-header 'd))
1457 :selected (eq gnus-score-default-type 'n)]
1458 ["After date" (gnus-score-set-default 'gnus-score-default-type 'a)
1460 ;; :active (eq (gnus-score-default-header 'd))
1461 :selected (eq gnus-score-default-type 'a)]
1463 (gnus-score-set-default 'gnus-score-default-type '<)
1465 ;; :active (eq (gnus-score-default-header 'l))
1466 :selected (eq gnus-score-default-type '<)]
1468 (gnus-score-set-default 'gnus-score-default-type '=)
1470 ;; :active (eq (gnus-score-default-header 'l))
1471 :selected (eq gnus-score-default-type '=)]
1472 ["Greater than number"
1473 (gnus-score-set-default 'gnus-score-default-type '>)
1475 ;; :active (eq (gnus-score-default-header 'l))
1476 :selected (eq gnus-score-default-type '>)])
1477 ["Default fold" gnus-score-default-fold-toggle
1479 :selected gnus-score-default-fold]
1481 ["Ask" (gnus-score-set-default 'gnus-score-default-duration nil)
1483 :selected (null gnus-score-default-duration)]
1485 (gnus-score-set-default 'gnus-score-default-duration 'p)
1487 :selected (eq gnus-score-default-duration 'p)]
1489 (gnus-score-set-default 'gnus-score-default-duration 't)
1491 :selected (eq gnus-score-default-duration 't)]
1493 (gnus-score-set-default 'gnus-score-default-duration 'i)
1495 :selected (eq gnus-score-default-duration 'i)]))
1498 gnus-summary-article-menu gnus-summary-mode-map ""
1501 ["All" gnus-article-hide t]
1502 ["Headers" gnus-article-hide-headers t]
1503 ["Signature" gnus-article-hide-signature t]
1504 ["Citation" gnus-article-hide-citation t]
1505 ["PGP" gnus-article-hide-pgp t]
1506 ["Boring headers" gnus-article-hide-boring-headers t])
1508 ["All" gnus-article-highlight t]
1509 ["Headers" gnus-article-highlight-headers t]
1510 ["Signature" gnus-article-highlight-signature t]
1511 ["Citation" gnus-article-highlight-citation t])
1513 ["Local" gnus-article-date-local t]
1514 ["UT" gnus-article-date-ut t]
1515 ["Original" gnus-article-date-original t]
1516 ["Lapsed" gnus-article-date-lapsed t]
1517 ["User-defined" gnus-article-date-user t])
1520 ["Leading" gnus-article-strip-leading-blank-lines t]
1521 ["Multiple" gnus-article-strip-multiple-blank-lines t]
1522 ["Trailing" gnus-article-remove-trailing-blank-lines t]
1523 ["All of the above" gnus-article-strip-blank-lines t]
1524 ["Leading space" gnus-article-strip-leading-space t])
1525 ["Overstrike" gnus-article-treat-overstrike t]
1526 ["Emphasis" gnus-article-emphasize t]
1527 ["Word wrap" gnus-article-fill-cited-article t]
1528 ["CR" gnus-article-remove-cr t]
1529 ["Show X-Face" gnus-article-display-x-face t]
1530 ["Quoted-Printable" gnus-article-de-quoted-unreadable t]
1531 ["UnHTMLize" gnus-article-treat-html t]
1532 ["Rot 13" gnus-summary-caesar-message t]
1533 ["Unix pipe" gnus-summary-pipe-message t]
1534 ["Add buttons" gnus-article-add-buttons t]
1535 ["Add buttons to head" gnus-article-add-buttons-to-head t]
1536 ["Stop page breaking" gnus-summary-stop-page-breaking t]
1537 ["Toggle MIME" gnus-summary-toggle-mime t]
1538 ["Verbose header" gnus-summary-verbose-headers t]
1539 ["Toggle header" gnus-summary-toggle-header t])
1541 ["Save in default format" gnus-summary-save-article t]
1542 ["Save in file" gnus-summary-save-article-file t]
1543 ["Save in Unix mail format" gnus-summary-save-article-mail t]
1544 ["Write to file" gnus-summary-write-article-mail t]
1545 ["Save in MH folder" gnus-summary-save-article-folder t]
1546 ["Save in VM folder" gnus-summary-save-article-vm t]
1547 ["Save in RMAIL mbox" gnus-summary-save-article-rmail t]
1548 ["Save body in file" gnus-summary-save-article-body-file t]
1549 ["Pipe through a filter" gnus-summary-pipe-output t]
1550 ["Add to SOUP packet" gnus-soup-add-article t]
1551 ["Print" gnus-summary-print-article t])
1553 ["Respool article..." gnus-summary-respool-article t]
1554 ["Move article..." gnus-summary-move-article
1555 (gnus-check-backend-function
1556 'request-move-article gnus-newsgroup-name)]
1557 ["Copy article..." gnus-summary-copy-article t]
1558 ["Crosspost article..." gnus-summary-crosspost-article
1559 (gnus-check-backend-function
1560 'request-replace-article gnus-newsgroup-name)]
1561 ["Import file..." gnus-summary-import-article t]
1562 ["Check if posted" gnus-summary-article-posted-p t]
1563 ["Edit article" gnus-summary-edit-article
1564 (not (gnus-group-read-only-p))]
1565 ["Delete article" gnus-summary-delete-article
1566 (gnus-check-backend-function
1567 'request-expire-articles gnus-newsgroup-name)]
1568 ["Query respool" gnus-summary-respool-query t]
1569 ["Delete expirable articles" gnus-summary-expire-articles-now
1570 (gnus-check-backend-function
1571 'request-expire-articles gnus-newsgroup-name)])
1573 ["Uudecode" gnus-uu-decode-uu t]
1574 ["Uudecode and save" gnus-uu-decode-uu-and-save t]
1575 ["Unshar" gnus-uu-decode-unshar t]
1576 ["Unshar and save" gnus-uu-decode-unshar-and-save t]
1577 ["Save" gnus-uu-decode-save t]
1578 ["Binhex" gnus-uu-decode-binhex t]
1579 ["Postscript" gnus-uu-decode-postscript t])
1581 ["Enter article" gnus-cache-enter-article t]
1582 ["Remove article" gnus-cache-remove-article t])
1583 ["Enter digest buffer" gnus-summary-enter-digest-group t]
1584 ["Isearch article..." gnus-summary-isearch-article t]
1585 ["Beginning of the article" gnus-summary-beginning-of-article t]
1586 ["End of the article" gnus-summary-end-of-article t]
1587 ["Fetch parent of article" gnus-summary-refer-parent-article t]
1588 ["Fetch referenced articles" gnus-summary-refer-references t]
1589 ["Fetch article with id..." gnus-summary-refer-article t]
1590 ["Redisplay" gnus-summary-show-article t]))
1593 gnus-summary-thread-menu gnus-summary-mode-map ""
1595 ["Toggle threading" gnus-summary-toggle-threads t]
1596 ["Hide threads" gnus-summary-hide-all-threads t]
1597 ["Show threads" gnus-summary-show-all-threads t]
1598 ["Hide thread" gnus-summary-hide-thread t]
1599 ["Show thread" gnus-summary-show-thread t]
1600 ["Go to next thread" gnus-summary-next-thread t]
1601 ["Go to previous thread" gnus-summary-prev-thread t]
1602 ["Go down thread" gnus-summary-down-thread t]
1603 ["Go up thread" gnus-summary-up-thread t]
1604 ["Top of thread" gnus-summary-top-thread t]
1605 ["Mark thread as read" gnus-summary-kill-thread t]
1606 ["Lower thread score" gnus-summary-lower-thread t]
1607 ["Raise thread score" gnus-summary-raise-thread t]
1608 ["Rethread current" gnus-summary-rethread-current t]
1612 gnus-summary-post-menu gnus-summary-mode-map ""
1614 ["Post an article" gnus-summary-post-news t]
1615 ["Followup" gnus-summary-followup t]
1616 ["Followup and yank" gnus-summary-followup-with-original t]
1617 ["Supersede article" gnus-summary-supersede-article t]
1618 ["Cancel article" gnus-summary-cancel-article t]
1619 ["Reply" gnus-summary-reply t]
1620 ["Reply and yank" gnus-summary-reply-with-original t]
1621 ["Wide reply" gnus-summary-wide-reply t]
1622 ["Wide reply and yank" gnus-summary-wide-reply-with-original t]
1623 ["Mail forward" gnus-summary-mail-forward t]
1624 ["Post forward" gnus-summary-post-forward t]
1625 ["Digest and mail" gnus-uu-digest-mail-forward t]
1626 ["Digest and post" gnus-uu-digest-post-forward t]
1627 ["Resend message" gnus-summary-resend-message t]
1628 ["Send bounced mail" gnus-summary-resend-bounced-mail t]
1629 ["Send a mail" gnus-summary-mail-other-window t]
1630 ["Uuencode and post" gnus-uu-post-news t]
1631 ["Followup via news" gnus-summary-followup-to-mail t]
1632 ["Followup via news and yank"
1633 gnus-summary-followup-to-mail-with-original t]
1635 ;;["Send" gnus-summary-send-draft t]
1636 ;;["Send bounced" gnus-resend-bounced-mail t])
1640 gnus-summary-misc-menu gnus-summary-mode-map ""
1643 ["Mark as read" gnus-summary-mark-as-read-forward t]
1644 ["Mark same subject and select"
1645 gnus-summary-kill-same-subject-and-select t]
1646 ["Mark same subject" gnus-summary-kill-same-subject t]
1647 ["Catchup" gnus-summary-catchup t]
1648 ["Catchup all" gnus-summary-catchup-all t]
1649 ["Catchup to here" gnus-summary-catchup-to-here t]
1650 ["Catchup region" gnus-summary-mark-region-as-read t]
1651 ["Mark excluded" gnus-summary-limit-mark-excluded-as-read t])
1653 ["Tick" gnus-summary-tick-article-forward t]
1654 ["Mark as dormant" gnus-summary-mark-as-dormant t]
1655 ["Remove marks" gnus-summary-clear-mark-forward t]
1656 ["Set expirable mark" gnus-summary-mark-as-expirable t]
1657 ["Set bookmark" gnus-summary-set-bookmark t]
1658 ["Remove bookmark" gnus-summary-remove-bookmark t])
1660 ["Marks..." gnus-summary-limit-to-marks t]
1661 ["Subject..." gnus-summary-limit-to-subject t]
1662 ["Author..." gnus-summary-limit-to-author t]
1663 ["Age..." gnus-summary-limit-to-age t]
1664 ["Score" gnus-summary-limit-to-score t]
1665 ["Unread" gnus-summary-limit-to-unread t]
1666 ["Non-dormant" gnus-summary-limit-exclude-dormant t]
1667 ["Articles" gnus-summary-limit-to-articles t]
1668 ["Pop limit" gnus-summary-pop-limit t]
1669 ["Show dormant" gnus-summary-limit-include-dormant t]
1670 ["Hide childless dormant"
1671 gnus-summary-limit-exclude-childless-dormant t]
1672 ;;["Hide thread" gnus-summary-limit-exclude-thread t]
1673 ["Show expunged" gnus-summary-show-all-expunged t])
1675 ["Set mark" gnus-summary-mark-as-processable t]
1676 ["Remove mark" gnus-summary-unmark-as-processable t]
1677 ["Remove all marks" gnus-summary-unmark-all-processable t]
1678 ["Mark above" gnus-uu-mark-over t]
1679 ["Mark series" gnus-uu-mark-series t]
1680 ["Mark region" gnus-uu-mark-region t]
1681 ["Mark by regexp..." gnus-uu-mark-by-regexp t]
1682 ["Mark all" gnus-uu-mark-all t]
1683 ["Mark buffer" gnus-uu-mark-buffer t]
1684 ["Mark sparse" gnus-uu-mark-sparse t]
1685 ["Mark thread" gnus-uu-mark-thread t]
1686 ["Unmark thread" gnus-uu-unmark-thread t]
1687 ("Process Mark Sets"
1688 ["Kill" gnus-summary-kill-process-mark t]
1689 ["Yank" gnus-summary-yank-process-mark
1690 gnus-newsgroup-process-stack]
1691 ["Save" gnus-summary-save-process-mark t]))
1693 ["Page forward" gnus-summary-next-page t]
1694 ["Page backward" gnus-summary-prev-page t]
1695 ["Line forward" gnus-summary-scroll-up t])
1697 ["Next unread article" gnus-summary-next-unread-article t]
1698 ["Previous unread article" gnus-summary-prev-unread-article t]
1699 ["Next article" gnus-summary-next-article t]
1700 ["Previous article" gnus-summary-prev-article t]
1701 ["Next unread subject" gnus-summary-next-unread-subject t]
1702 ["Previous unread subject" gnus-summary-prev-unread-subject t]
1703 ["Next article same subject" gnus-summary-next-same-subject t]
1704 ["Previous article same subject" gnus-summary-prev-same-subject t]
1705 ["First unread article" gnus-summary-first-unread-article t]
1706 ["Best unread article" gnus-summary-best-unread-article t]
1707 ["Go to subject number..." gnus-summary-goto-subject t]
1708 ["Go to article number..." gnus-summary-goto-article t]
1709 ["Go to the last article" gnus-summary-goto-last-article t]
1710 ["Pop article off history" gnus-summary-pop-article t])
1712 ["Sort by number" gnus-summary-sort-by-number t]
1713 ["Sort by author" gnus-summary-sort-by-author t]
1714 ["Sort by subject" gnus-summary-sort-by-subject t]
1715 ["Sort by date" gnus-summary-sort-by-date t]
1716 ["Sort by score" gnus-summary-sort-by-score t]
1717 ["Sort by lines" gnus-summary-sort-by-lines t])
1719 ["Fetch group FAQ" gnus-summary-fetch-faq t]
1720 ["Describe group" gnus-summary-describe-group t]
1721 ["Read manual" gnus-info-find-node t])
1723 ["Pick and read" gnus-pick-mode t]
1724 ["Binary" gnus-binary-mode t])
1726 ["Regenerate" gnus-summary-prepare t]
1727 ["Insert cached articles" gnus-summary-insert-cached-articles t]
1728 ["Toggle threading" gnus-summary-toggle-threads t])
1729 ["Filter articles..." gnus-summary-execute-command t]
1730 ["Run command on subjects..." gnus-summary-universal-argument t]
1731 ["Search articles forward..." gnus-summary-search-article-forward t]
1732 ["Search articles backward..." gnus-summary-search-article-backward t]
1733 ["Toggle line truncation" gnus-summary-toggle-truncation t]
1734 ["Expand window" gnus-summary-expand-window t]
1735 ["Expire expirable articles" gnus-summary-expire-articles
1736 (gnus-check-backend-function
1737 'request-expire-articles gnus-newsgroup-name)]
1738 ["Edit local kill file" gnus-summary-edit-local-kill t]
1739 ["Edit main kill file" gnus-summary-edit-global-kill t]
1741 ["Catchup and exit" gnus-summary-catchup-and-exit t]
1742 ["Catchup all and exit" gnus-summary-catchup-and-exit t]
1743 ["Catchup and goto next" gnus-summary-catchup-and-goto-next-group t]
1744 ["Exit group" gnus-summary-exit t]
1745 ["Exit group without updating" gnus-summary-exit-no-update t]
1746 ["Exit and goto next group" gnus-summary-next-group t]
1747 ["Exit and goto prev group" gnus-summary-prev-group t]
1748 ["Reselect group" gnus-summary-reselect-current-group t]
1749 ["Rescan group" gnus-summary-rescan-group t]
1750 ["Update dribble" gnus-summary-save-newsrc t])))
1752 (run-hooks 'gnus-summary-menu-hook)))
1754 (defun gnus-score-set-default (var value)
1755 "A version of set that updates the GNU Emacs menu-bar."
1757 ;; It is the message that forces the active status to be updated.
1760 (defun gnus-make-score-map (type)
1761 "Make a summary score map of type TYPE."
1764 (let ((headers '(("author" "from" string)
1765 ("subject" "subject" string)
1766 ("article body" "body" string)
1767 ("article head" "head" string)
1768 ("xref" "xref" string)
1769 ("lines" "lines" number)
1770 ("followups to author" "followup" string)))
1771 (types '((number ("less than" <)
1774 (string ("substring" s)
1778 (perms '(("temporary" (current-time-string))
1786 (if (eq type 'lower)
1791 (setq header (car headers))
1797 (let ((ts (cdr (assoc (nth 2 header) types)))
1813 'gnus-summary-score-entry
1815 (if (or (string= (nth 1 header)
1817 (string= (nth 1 header)
1820 (list 'gnus-summary-header
1822 (list 'quote (nth 1 (car ts)))
1823 (list 'gnus-score-default nil)
1829 (list (nreverse outp))))
1832 (list (nreverse outt))))
1834 (setq headers (cdr headers)))
1835 (list (nreverse outh))))))))
1839 (defun gnus-summary-mode (&optional group)
1840 "Major mode for reading articles.
1842 All normal editing commands are switched off.
1843 \\<gnus-summary-mode-map>
1844 Each line in this buffer represents one article. To read an
1845 article, you can, for instance, type `\\[gnus-summary-next-page]'. To move forwards
1846 and backwards while displaying articles, type `\\[gnus-summary-next-unread-article]' and `\\[gnus-summary-prev-unread-article]',
1849 You can also post articles and send mail from this buffer. To
1850 follow up an article, type `\\[gnus-summary-followup]'. To mail a reply to the author
1851 of an article, type `\\[gnus-summary-reply]'.
1853 There are approx. one gazillion commands you can execute in this
1854 buffer; read the info pages for more information (`\\[gnus-info-find-node]').
1856 The following commands are available:
1858 \\{gnus-summary-mode-map}"
1860 (when (gnus-visual-p 'summary-menu 'menu)
1861 (gnus-summary-make-menu-bar))
1862 (kill-all-local-variables)
1863 (gnus-summary-make-local-variables)
1864 (gnus-make-thread-indent-array)
1865 (gnus-simplify-mode-line)
1866 (setq major-mode 'gnus-summary-mode)
1867 (setq mode-name "Summary")
1868 (make-local-variable 'minor-mode-alist)
1869 (use-local-map gnus-summary-mode-map)
1870 (buffer-disable-undo (current-buffer))
1871 (setq buffer-read-only t) ;Disable modification
1872 (setq truncate-lines t)
1873 (setq selective-display t)
1874 (setq selective-display-ellipses t) ;Display `...'
1875 (setq buffer-display-table gnus-summary-display-table)
1876 (gnus-set-default-directory)
1877 (setq gnus-newsgroup-name group)
1878 (make-local-variable 'gnus-summary-line-format)
1879 (make-local-variable 'gnus-summary-line-format-spec)
1880 (make-local-variable 'gnus-summary-mark-positions)
1881 (make-local-hook 'post-command-hook)
1882 (gnus-add-hook 'post-command-hook 'gnus-clear-inboxes-moved nil t)
1883 (run-hooks 'gnus-summary-mode-hook)
1884 (gnus-update-format-specifications nil 'summary 'summary-mode 'summary-dummy)
1885 (gnus-update-summary-mark-positions))
1887 (defun gnus-summary-make-local-variables ()
1888 "Make all the local summary buffer variables."
1889 (let ((locals gnus-summary-local-variables)
1891 (while (setq local (pop locals))
1894 (if (eq (cdr local) 'global)
1895 ;; Copy the global value of the variable.
1896 (setq global (symbol-value (car local)))
1897 ;; Use the value from the list.
1898 (setq global (eval (cdr local))))
1899 (make-local-variable (car local))
1900 (set (car local) global))
1901 ;; Simple nil-valued local variable.
1902 (make-local-variable local)
1905 (defun gnus-summary-clear-local-variables ()
1906 (let ((locals gnus-summary-local-variables))
1908 (if (consp (car locals))
1909 (and (vectorp (caar locals))
1910 (set (caar locals) nil))
1911 (and (vectorp (car locals))
1912 (set (car locals) nil)))
1913 (setq locals (cdr locals)))))
1915 ;; Summary data functions.
1917 (defmacro gnus-data-number (data)
1920 (defmacro gnus-data-set-number (data number)
1921 `(setcar ,data ,number))
1923 (defmacro gnus-data-mark (data)
1926 (defmacro gnus-data-set-mark (data mark)
1927 `(setcar (nthcdr 1 ,data) ,mark))
1929 (defmacro gnus-data-pos (data)
1932 (defmacro gnus-data-set-pos (data pos)
1933 `(setcar (nthcdr 2 ,data) ,pos))
1935 (defmacro gnus-data-header (data)
1938 (defmacro gnus-data-set-header (data header)
1939 `(setf (nth 3 ,data) ,header))
1941 (defmacro gnus-data-level (data)
1944 (defmacro gnus-data-unread-p (data)
1945 `(= (nth 1 ,data) gnus-unread-mark))
1947 (defmacro gnus-data-read-p (data)
1948 `(/= (nth 1 ,data) gnus-unread-mark))
1950 (defmacro gnus-data-pseudo-p (data)
1951 `(consp (nth 3 ,data)))
1953 (defmacro gnus-data-find (number)
1954 `(assq ,number gnus-newsgroup-data))
1956 (defmacro gnus-data-find-list (number &optional data)
1957 `(let ((bdata ,(or data 'gnus-newsgroup-data)))
1958 (memq (assq ,number bdata)
1961 (defmacro gnus-data-make (number mark pos header level)
1962 `(list ,number ,mark ,pos ,header ,level))
1964 (defun gnus-data-enter (after-article number mark pos header level offset)
1965 (let ((data (gnus-data-find-list after-article)))
1967 (error "No such article: %d" after-article))
1968 (setcdr data (cons (gnus-data-make number mark pos header level)
1970 (setq gnus-newsgroup-data-reverse nil)
1971 (gnus-data-update-list (cddr data) offset)))
1973 (defun gnus-data-enter-list (after-article list &optional offset)
1975 (let ((data (and after-article (gnus-data-find-list after-article)))
1977 (or data (not after-article) (error "No such article: %d" after-article))
1978 ;; Find the last element in the list to be spliced into the main
1981 (setq list (cdr list)))
1984 (setcdr list gnus-newsgroup-data)
1985 (setq gnus-newsgroup-data ilist)
1987 (gnus-data-update-list (cdr list) offset)))
1988 (setcdr list (cdr data))
1991 (gnus-data-update-list (cdr list) offset)))
1992 (setq gnus-newsgroup-data-reverse nil))))
1994 (defun gnus-data-remove (article &optional offset)
1995 (let ((data gnus-newsgroup-data))
1996 (if (= (gnus-data-number (car data)) article)
1998 (setq gnus-newsgroup-data (cdr gnus-newsgroup-data)
1999 gnus-newsgroup-data-reverse nil)
2001 (gnus-data-update-list gnus-newsgroup-data offset)))
2003 (when (= (gnus-data-number (cadr data)) article)
2004 (setcdr data (cddr data))
2006 (gnus-data-update-list (cdr data) offset))
2008 gnus-newsgroup-data-reverse nil))
2009 (setq data (cdr data))))))
2011 (defmacro gnus-data-list (backward)
2013 (or gnus-newsgroup-data-reverse
2014 (setq gnus-newsgroup-data-reverse
2015 (reverse gnus-newsgroup-data)))
2016 gnus-newsgroup-data))
2018 (defun gnus-data-update-list (data offset)
2019 "Add OFFSET to the POS of all data entries in DATA."
2021 (setcar (nthcdr 2 (car data)) (+ offset (nth 2 (car data))))
2022 (setq data (cdr data))))
2024 (defun gnus-data-compute-positions ()
2025 "Compute the positions of all articles."
2026 (let ((data gnus-newsgroup-data)
2029 (when (setq pos (text-property-any
2030 (point-min) (point-max)
2031 'gnus-number (gnus-data-number (car data))))
2032 (gnus-data-set-pos (car data) (+ pos 3)))
2033 (setq data (cdr data)))))
2035 (defun gnus-summary-article-pseudo-p (article)
2036 "Say whether this article is a pseudo article or not."
2037 (not (vectorp (gnus-data-header (gnus-data-find article)))))
2039 (defmacro gnus-summary-article-sparse-p (article)
2040 "Say whether this article is a sparse article or not."
2041 ` (memq ,article gnus-newsgroup-sparse))
2043 (defmacro gnus-summary-article-ancient-p (article)
2044 "Say whether this article is a sparse article or not."
2045 `(memq ,article gnus-newsgroup-ancient))
2047 (defun gnus-article-parent-p (number)
2048 "Say whether this article is a parent or not."
2049 (let ((data (gnus-data-find-list number)))
2050 (and (cdr data) ; There has to be an article after...
2051 (< (gnus-data-level (car data)) ; And it has to have a higher level.
2052 (gnus-data-level (nth 1 data))))))
2054 (defun gnus-article-children (number)
2055 "Return a list of all children to NUMBER."
2056 (let* ((data (gnus-data-find-list number))
2057 (level (gnus-data-level (car data)))
2059 (setq data (cdr data))
2061 (= (gnus-data-level (car data)) (1+ level)))
2062 (push (gnus-data-number (car data)) children)
2063 (setq data (cdr data)))
2066 (defmacro gnus-summary-skip-intangible ()
2067 "If the current article is intangible, then jump to a different article."
2068 '(let ((to (get-text-property (point) 'gnus-intangible)))
2069 (and to (gnus-summary-goto-subject to))))
2071 (defmacro gnus-summary-article-intangible-p ()
2072 "Say whether this article is intangible or not."
2073 '(get-text-property (point) 'gnus-intangible))
2075 (defun gnus-article-read-p (article)
2076 "Say whether ARTICLE is read or not."
2077 (not (or (memq article gnus-newsgroup-marked)
2078 (memq article gnus-newsgroup-unreads)
2079 (memq article gnus-newsgroup-unselected)
2080 (memq article gnus-newsgroup-dormant))))
2082 ;; Some summary mode macros.
2084 (defmacro gnus-summary-article-number ()
2085 "The article number of the article on the current line.
2086 If there isn's an article number here, then we return the current
2089 (gnus-summary-skip-intangible)
2090 (or (get-text-property (point) 'gnus-number)
2091 (gnus-summary-last-subject))))
2093 (defmacro gnus-summary-article-header (&optional number)
2094 `(gnus-data-header (gnus-data-find
2095 ,(or number '(gnus-summary-article-number)))))
2097 (defmacro gnus-summary-thread-level (&optional number)
2098 `(if (and (eq gnus-summary-make-false-root 'dummy)
2099 (get-text-property (point) 'gnus-intangible))
2101 (gnus-data-level (gnus-data-find
2102 ,(or number '(gnus-summary-article-number))))))
2104 (defmacro gnus-summary-article-mark (&optional number)
2105 `(gnus-data-mark (gnus-data-find
2106 ,(or number '(gnus-summary-article-number)))))
2108 (defmacro gnus-summary-article-pos (&optional number)
2109 `(gnus-data-pos (gnus-data-find
2110 ,(or number '(gnus-summary-article-number)))))
2112 (defalias 'gnus-summary-subject-string 'gnus-summary-article-subject)
2113 (defmacro gnus-summary-article-subject (&optional number)
2114 "Return current subject string or nil if nothing."
2117 `(gnus-data-header (assq ,number gnus-newsgroup-data))
2118 '(gnus-data-header (assq (gnus-summary-article-number)
2119 gnus-newsgroup-data)))))
2122 (mail-header-subject headers))))
2124 (defmacro gnus-summary-article-score (&optional number)
2125 "Return current article score."
2126 `(or (cdr (assq ,(or number '(gnus-summary-article-number))
2127 gnus-newsgroup-scored))
2128 gnus-summary-default-score 0))
2130 (defun gnus-summary-article-children (&optional number)
2131 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))))
2132 (level (gnus-data-level (car data)))
2134 (while (and (setq data (cdr data))
2135 (> (setq l (gnus-data-level (car data))) level))
2136 (and (= (1+ level) l)
2137 (push (gnus-data-number (car data))
2139 (nreverse children)))
2141 (defun gnus-summary-article-parent (&optional number)
2142 (let* ((data (gnus-data-find-list (or number (gnus-summary-article-number))
2143 (gnus-data-list t)))
2144 (level (gnus-data-level (car data))))
2146 () ; This is a root.
2147 ;; We search until we find an article with a level less than
2148 ;; this one. That function has to be the parent.
2149 (while (and (setq data (cdr data))
2150 (not (< (gnus-data-level (car data)) level))))
2151 (and data (gnus-data-number (car data))))))
2153 (defun gnus-unread-mark-p (mark)
2154 "Say whether MARK is the unread mark."
2155 (= mark gnus-unread-mark))
2157 (defun gnus-read-mark-p (mark)
2158 "Say whether MARK is one of the marks that mark as read.
2159 This is all marks except unread, ticked, dormant, and expirable."
2160 (not (or (= mark gnus-unread-mark)
2161 (= mark gnus-ticked-mark)
2162 (= mark gnus-dormant-mark)
2163 (= mark gnus-expirable-mark))))
2165 (defmacro gnus-article-mark (number)
2167 ((memq ,number gnus-newsgroup-unreads) gnus-unread-mark)
2168 ((memq ,number gnus-newsgroup-marked) gnus-ticked-mark)
2169 ((memq ,number gnus-newsgroup-dormant) gnus-dormant-mark)
2170 ((memq ,number gnus-newsgroup-expirable) gnus-expirable-mark)
2171 (t (or (cdr (assq ,number gnus-newsgroup-reads))
2172 gnus-ancient-mark))))
2174 ;; Saving hidden threads.
2176 (put 'gnus-save-hidden-threads 'lisp-indent-function 0)
2177 (put 'gnus-save-hidden-threads 'edebug-form-spec '(body))
2179 (defmacro gnus-save-hidden-threads (&rest forms)
2180 "Save hidden threads, eval FORMS, and restore the hidden threads."
2181 (let ((config (make-symbol "config")))
2182 `(let ((,config (gnus-hidden-threads-configuration)))
2186 (gnus-restore-hidden-threads-configuration ,config)))))
2188 (defun gnus-hidden-threads-configuration ()
2189 "Return the current hidden threads configuration."
2192 (goto-char (point-min))
2193 (while (search-forward "\r" nil t)
2194 (push (1- (point)) config))
2197 (defun gnus-restore-hidden-threads-configuration (config)
2198 "Restore hidden threads configuration from CONFIG."
2199 (let (point buffer-read-only)
2200 (while (setq point (pop config))
2201 (when (and (< point (point-max))
2203 (= (following-char) ?\n))
2204 (subst-char-in-region point (1+ point) ?\n ?\r)))))
2206 ;; Various summary mode internalish functions.
2208 (defun gnus-mouse-pick-article (e)
2211 (gnus-summary-next-page nil t))
2213 (defun gnus-summary-setup-buffer (group)
2214 "Initialize summary buffer."
2215 (let ((buffer (concat "*Summary " group "*")))
2216 (if (get-buffer buffer)
2219 (setq gnus-summary-buffer (current-buffer))
2220 (not gnus-newsgroup-prepared))
2221 ;; Fix by Sudish Joseph <joseph@cis.ohio-state.edu>
2222 (setq gnus-summary-buffer (set-buffer (get-buffer-create buffer)))
2223 (gnus-add-current-to-buffer-list)
2224 (gnus-summary-mode group)
2226 (gnus-carpal-setup-buffer 'summary))
2227 (unless gnus-single-article-buffer
2228 (make-local-variable 'gnus-article-buffer)
2229 (make-local-variable 'gnus-article-current)
2230 (make-local-variable 'gnus-original-article-buffer))
2231 (setq gnus-newsgroup-name group)
2234 (defun gnus-set-global-variables ()
2235 ;; Set the global equivalents of the summary buffer-local variables
2236 ;; to the latest values they had. These reflect the summary buffer
2237 ;; that was in action when the last article was fetched.
2238 (when (eq major-mode 'gnus-summary-mode)
2239 (setq gnus-summary-buffer (current-buffer))
2240 (let ((name gnus-newsgroup-name)
2241 (marked gnus-newsgroup-marked)
2242 (unread gnus-newsgroup-unreads)
2243 (headers gnus-current-headers)
2244 (data gnus-newsgroup-data)
2245 (summary gnus-summary-buffer)
2246 (article-buffer gnus-article-buffer)
2247 (original gnus-original-article-buffer)
2248 (gac gnus-article-current)
2249 (reffed gnus-reffed-article-number)
2250 (score-file gnus-current-score-file))
2252 (set-buffer gnus-group-buffer)
2253 (setq gnus-newsgroup-name name)
2254 (setq gnus-newsgroup-marked marked)
2255 (setq gnus-newsgroup-unreads unread)
2256 (setq gnus-current-headers headers)
2257 (setq gnus-newsgroup-data data)
2258 (setq gnus-article-current gac)
2259 (setq gnus-summary-buffer summary)
2260 (setq gnus-article-buffer article-buffer)
2261 (setq gnus-original-article-buffer original)
2262 (setq gnus-reffed-article-number reffed)
2263 (setq gnus-current-score-file score-file)
2264 ;; The article buffer also has local variables.
2265 (when (gnus-buffer-live-p gnus-article-buffer)
2266 (set-buffer gnus-article-buffer)
2267 (setq gnus-summary-buffer summary))))))
2269 (defun gnus-summary-article-unread-p (article)
2270 "Say whether ARTICLE is unread or not."
2271 (memq article gnus-newsgroup-unreads))
2273 (defun gnus-summary-first-article-p (&optional article)
2274 "Return whether ARTICLE is the first article in the buffer."
2275 (if (not (setq article (or article (gnus-summary-article-number))))
2277 (eq article (caar gnus-newsgroup-data))))
2279 (defun gnus-summary-last-article-p (&optional article)
2280 "Return whether ARTICLE is the last article in the buffer."
2281 (if (not (setq article (or article (gnus-summary-article-number))))
2282 t ; All non-existent numbers are the last article. :-)
2283 (not (cdr (gnus-data-find-list article)))))
2285 (defun gnus-make-thread-indent-array ()
2287 (unless (and gnus-thread-indent-array
2288 (= gnus-thread-indent-level gnus-thread-indent-array-level))
2289 (setq gnus-thread-indent-array (make-vector 201 "")
2290 gnus-thread-indent-array-level gnus-thread-indent-level)
2292 (aset gnus-thread-indent-array n
2293 (make-string (* n gnus-thread-indent-level) ? ))
2296 (defun gnus-update-summary-mark-positions ()
2297 "Compute where the summary marks are to go."
2299 (when (and gnus-summary-buffer
2300 (get-buffer gnus-summary-buffer)
2301 (buffer-name (get-buffer gnus-summary-buffer)))
2302 (set-buffer gnus-summary-buffer))
2303 (let ((gnus-replied-mark 129)
2304 (gnus-score-below-mark 130)
2305 (gnus-score-over-mark 130)
2306 (spec gnus-summary-line-format-spec)
2307 thread gnus-visual pos)
2309 (gnus-set-work-buffer)
2310 (let ((gnus-summary-line-format-spec spec))
2311 (gnus-summary-insert-line
2312 [0 "" "" "" "" "" 0 0 ""] 0 nil 128 t nil "" nil 1)
2313 (goto-char (point-min))
2314 (setq pos (list (cons 'unread (and (search-forward "\200" nil t)
2316 (goto-char (point-min))
2317 (push (cons 'replied (and (search-forward "\201" nil t)
2320 (goto-char (point-min))
2321 (push (cons 'score (and (search-forward "\202" nil t) (- (point) 2)))
2323 (setq gnus-summary-mark-positions pos))))
2325 (defun gnus-summary-insert-dummy-line (gnus-tmp-subject gnus-tmp-number)
2326 "Insert a dummy root in the summary buffer."
2328 (gnus-add-text-properties
2329 (point) (progn (eval gnus-summary-dummy-line-format-spec) (point))
2330 (list 'gnus-number gnus-tmp-number 'gnus-intangible gnus-tmp-number)))
2332 (defun gnus-summary-insert-line (gnus-tmp-header
2333 gnus-tmp-level gnus-tmp-current
2334 gnus-tmp-unread gnus-tmp-replied
2335 gnus-tmp-expirable gnus-tmp-subject-or-nil
2336 &optional gnus-tmp-dummy gnus-tmp-score
2338 (let* ((gnus-tmp-indentation (aref gnus-thread-indent-array gnus-tmp-level))
2339 (gnus-tmp-lines (mail-header-lines gnus-tmp-header))
2340 (gnus-tmp-score (or gnus-tmp-score gnus-summary-default-score 0))
2341 (gnus-tmp-score-char
2342 (if (or (null gnus-summary-default-score)
2343 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
2344 gnus-summary-zcore-fuzz))
2346 (if (< gnus-tmp-score gnus-summary-default-score)
2347 gnus-score-below-mark gnus-score-over-mark)))
2349 (cond (gnus-tmp-process gnus-process-mark)
2350 ((memq gnus-tmp-current gnus-newsgroup-cached)
2352 (gnus-tmp-replied gnus-replied-mark)
2353 ((memq gnus-tmp-current gnus-newsgroup-saved)
2355 (t gnus-unread-mark)))
2356 (gnus-tmp-from (mail-header-from gnus-tmp-header))
2359 ((string-match "<[^>]+> *$" gnus-tmp-from)
2360 (let ((beg (match-beginning 0)))
2361 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
2362 (substring gnus-tmp-from (1+ (match-beginning 0))
2363 (1- (match-end 0))))
2364 (substring gnus-tmp-from 0 beg))))
2365 ((string-match "(.+)" gnus-tmp-from)
2366 (substring gnus-tmp-from
2367 (1+ (match-beginning 0)) (1- (match-end 0))))
2369 (gnus-tmp-subject (mail-header-subject gnus-tmp-header))
2370 (gnus-tmp-number (mail-header-number gnus-tmp-header))
2371 (gnus-tmp-opening-bracket (if gnus-tmp-dummy ?\< ?\[))
2372 (gnus-tmp-closing-bracket (if gnus-tmp-dummy ?\> ?\]))
2373 (buffer-read-only nil))
2374 (when (string= gnus-tmp-name "")
2375 (setq gnus-tmp-name gnus-tmp-from))
2376 (unless (numberp gnus-tmp-lines)
2377 (setq gnus-tmp-lines 0))
2378 (gnus-put-text-property
2380 (progn (eval gnus-summary-line-format-spec) (point))
2381 'gnus-number gnus-tmp-number)
2382 (when (gnus-visual-p 'summary-highlight 'highlight)
2384 (run-hooks 'gnus-summary-update-hook)
2387 (defun gnus-summary-update-line (&optional dont-update)
2388 ;; Update summary line after change.
2389 (when (and gnus-summary-default-score
2390 (not gnus-summary-inhibit-highlight))
2391 (let* ((gnus-summary-inhibit-highlight t) ; Prevent recursion.
2392 (article (gnus-summary-article-number))
2393 (score (gnus-summary-article-score article)))
2395 (if (and gnus-summary-mark-below
2396 (< (gnus-summary-article-score)
2397 gnus-summary-mark-below))
2398 ;; This article has a low score, so we mark it as read.
2399 (when (memq article gnus-newsgroup-unreads)
2400 (gnus-summary-mark-article-as-read gnus-low-score-mark))
2401 (when (eq (gnus-summary-article-mark) gnus-low-score-mark)
2402 ;; This article was previously marked as read on account
2403 ;; of a low score, but now it has risen, so we mark it as
2405 (gnus-summary-mark-article-as-unread gnus-unread-mark)))
2406 (gnus-summary-update-mark
2407 (if (or (null gnus-summary-default-score)
2408 (<= (abs (- score gnus-summary-default-score))
2409 gnus-summary-zcore-fuzz))
2411 (if (< score gnus-summary-default-score)
2412 gnus-score-below-mark gnus-score-over-mark))
2414 ;; Do visual highlighting.
2415 (when (gnus-visual-p 'summary-highlight 'highlight)
2416 (run-hooks 'gnus-summary-update-hook)))))
2418 (defvar gnus-tmp-new-adopts nil)
2420 (defun gnus-summary-number-of-articles-in-thread (thread &optional level char)
2421 "Return the number of articles in THREAD.
2422 This may be 0 in some cases -- if none of the articles in
2423 the thread are to be displayed."
2425 ;; Fix by Luc Van Eycken <Luc.VanEycken@esat.kuleuven.ac.be>.
2427 ((not (listp thread))
2429 ((and (consp thread) (cdr thread))
2432 'gnus-summary-number-of-articles-in-thread (cdr thread))))
2435 ((memq (mail-header-number (car thread)) gnus-newsgroup-limit)
2438 (when (and level (zerop level) gnus-tmp-new-adopts)
2441 'gnus-summary-number-of-articles-in-thread
2442 gnus-tmp-new-adopts))))
2444 (if (> number 1) gnus-not-empty-thread-mark
2445 gnus-empty-thread-mark)
2448 (defun gnus-summary-set-local-parameters (group)
2449 "Go through the local params of GROUP and set all variable specs in that list."
2450 (let ((params (gnus-group-find-parameter group))
2453 (setq elem (car params)
2454 params (cdr params))
2455 (and (consp elem) ; Has to be a cons.
2456 (consp (cdr elem)) ; The cdr has to be a list.
2457 (symbolp (car elem)) ; Has to be a symbol in there.
2458 (not (memq (car elem)
2459 '(quit-config to-address to-list to-group)))
2460 (ignore-errors ; So we set it.
2461 (make-local-variable (car elem))
2462 (set (car elem) (eval (nth 1 elem))))))))
2464 (defun gnus-summary-read-group (group &optional show-all no-article
2465 kill-buffer no-display)
2466 "Start reading news in newsgroup GROUP.
2467 If SHOW-ALL is non-nil, already read articles are also listed.
2468 If NO-ARTICLE is non-nil, no article is selected initially.
2469 If NO-DISPLAY, don't generate a summary buffer."
2473 (let ((gnus-auto-select-next nil))
2474 (gnus-summary-read-group-1
2475 group show-all no-article
2476 kill-buffer no-display))))
2477 (eq gnus-auto-select-next 'quietly))
2478 (set-buffer gnus-group-buffer)
2479 (if (not (equal group (gnus-group-group-name)))
2480 (setq group (gnus-group-group-name))
2484 (defun gnus-summary-read-group-1 (group show-all no-article
2485 kill-buffer no-display)
2486 ;; Killed foreign groups can't be entered.
2487 (when (and (not (gnus-group-native-p group))
2488 (not (gnus-gethash group gnus-newsrc-hashtb)))
2489 (error "Dead non-native groups can't be entered"))
2490 (gnus-message 5 "Retrieving newsgroup: %s..." group)
2491 (let* ((new-group (gnus-summary-setup-buffer group))
2492 (quit-config (gnus-group-quit-config group))
2493 (did-select (and new-group (gnus-select-newsgroup group show-all))))
2495 ;; This summary buffer exists already, so we just select it.
2497 (gnus-set-global-variables)
2499 (gnus-kill-or-deaden-summary kill-buffer))
2500 (gnus-configure-windows 'summary 'force)
2501 (gnus-set-mode-line 'summary)
2502 (gnus-summary-position-point)
2505 ;; We couldn't select this group.
2507 (when (and (eq major-mode 'gnus-summary-mode)
2508 (not (equal (current-buffer) kill-buffer)))
2509 (kill-buffer (current-buffer))
2510 (if (not quit-config)
2512 (set-buffer gnus-group-buffer)
2513 (gnus-group-jump-to-group group)
2514 (gnus-group-next-unread-group 1))
2515 (gnus-handle-ephemeral-exit quit-config)))
2516 (gnus-message 3 "Can't select group")
2518 ;; The user did a `C-g' while prompting for number of articles,
2519 ;; so we exit this group.
2520 ((eq did-select 'quit)
2521 (and (eq major-mode 'gnus-summary-mode)
2522 (not (equal (current-buffer) kill-buffer))
2523 (kill-buffer (current-buffer)))
2525 (gnus-kill-or-deaden-summary kill-buffer))
2526 (if (not quit-config)
2528 (set-buffer gnus-group-buffer)
2529 (gnus-group-jump-to-group group)
2530 (gnus-group-next-unread-group 1)
2531 (gnus-configure-windows 'group 'force))
2532 (gnus-handle-ephemeral-exit quit-config))
2533 ;; Finally signal the quit.
2535 ;; The group was successfully selected.
2537 (gnus-set-global-variables)
2538 ;; Save the active value in effect when the group was entered.
2539 (setq gnus-newsgroup-active
2541 (gnus-active gnus-newsgroup-name)))
2542 ;; You can change the summary buffer in some way with this hook.
2543 (run-hooks 'gnus-select-group-hook)
2544 ;; Set any local variables in the group parameters.
2545 (gnus-summary-set-local-parameters gnus-newsgroup-name)
2546 (gnus-update-format-specifications
2547 nil 'summary 'summary-mode 'summary-dummy)
2548 ;; Do score processing.
2549 (when gnus-use-scoring
2550 (gnus-possibly-score-headers))
2551 ;; Check whether to fill in the gaps in the threads.
2552 (when gnus-build-sparse-threads
2553 (gnus-build-sparse-threads))
2554 ;; Find the initial limit.
2555 (if gnus-show-threads
2557 (let ((gnus-newsgroup-dormant nil))
2558 (gnus-summary-initial-limit show-all))
2559 (gnus-summary-initial-limit show-all))
2560 (setq gnus-newsgroup-limit
2562 (lambda (header) (mail-header-number header))
2563 gnus-newsgroup-headers)))
2564 ;; Generate the summary buffer.
2566 (gnus-summary-prepare))
2567 (when gnus-use-trees
2568 (gnus-tree-open group)
2569 (setq gnus-summary-highlight-line-function
2570 'gnus-tree-highlight-article))
2571 ;; If the summary buffer is empty, but there are some low-scored
2572 ;; articles or some excluded dormants, we include these in the
2574 (when (and (zerop (buffer-size))
2576 (cond (gnus-newsgroup-dormant
2577 (gnus-summary-limit-include-dormant))
2578 ((and gnus-newsgroup-scored show-all)
2579 (gnus-summary-limit-include-expunged t))))
2580 ;; Function `gnus-apply-kill-file' must be called in this hook.
2581 (run-hooks 'gnus-apply-kill-hook)
2582 (if (and (zerop (buffer-size))
2585 ;; This newsgroup is empty.
2586 (gnus-summary-catchup-and-exit nil t)
2587 (gnus-message 6 "No unread news")
2589 (gnus-kill-or-deaden-summary kill-buffer))
2590 ;; Return nil from this function.
2592 ;; Hide conversation thread subtrees. We cannot do this in
2593 ;; gnus-summary-prepare-hook since kill processing may not
2594 ;; work with hidden articles.
2595 (and gnus-show-threads
2596 gnus-thread-hide-subtree
2597 (gnus-summary-hide-all-threads))
2598 ;; Show first unread article if requested.
2599 (if (and (not no-article)
2601 gnus-newsgroup-unreads
2602 gnus-auto-select-first)
2603 (unless (if (eq gnus-auto-select-first 'best)
2604 (gnus-summary-best-unread-article)
2605 (gnus-summary-first-unread-article))
2606 (gnus-configure-windows 'summary))
2607 ;; Don't select any articles, just move point to the first
2608 ;; article in the group.
2609 (goto-char (point-min))
2610 (gnus-summary-position-point)
2611 (gnus-set-mode-line 'summary)
2612 (gnus-configure-windows 'summary 'force))
2614 (gnus-kill-or-deaden-summary kill-buffer))
2615 (when (get-buffer-window gnus-group-buffer t)
2616 ;; Gotta use windows, because recenter does weird stuff if
2617 ;; the current buffer ain't the displayed window.
2618 (let ((owin (selected-window)))
2619 (select-window (get-buffer-window gnus-group-buffer t))
2620 (when (gnus-group-goto-group group)
2622 (select-window owin))))
2623 ;; Mark this buffer as "prepared".
2624 (setq gnus-newsgroup-prepared t)
2627 (defun gnus-summary-prepare ()
2628 "Generate the summary buffer."
2630 (let ((buffer-read-only nil))
2632 (setq gnus-newsgroup-data nil
2633 gnus-newsgroup-data-reverse nil)
2634 (run-hooks 'gnus-summary-generate-hook)
2635 ;; Generate the buffer, either with threads or without.
2636 (when gnus-newsgroup-headers
2637 (gnus-summary-prepare-threads
2638 (if gnus-show-threads
2639 (gnus-sort-gathered-threads
2640 (funcall gnus-summary-thread-gathering-function
2642 (gnus-cut-threads (gnus-make-threads)))))
2643 ;; Unthreaded display.
2644 (gnus-sort-articles gnus-newsgroup-headers))))
2645 (setq gnus-newsgroup-data (nreverse gnus-newsgroup-data))
2646 ;; Call hooks for modifying summary buffer.
2647 (goto-char (point-min))
2648 (run-hooks 'gnus-summary-prepare-hook)))
2650 (defsubst gnus-general-simplify-subject (subject)
2651 "Simply subject by the same rules as gnus-gather-threads-by-subject."
2654 ;; Truncate the subject.
2655 ((numberp gnus-summary-gather-subject-limit)
2656 (setq subject (gnus-simplify-subject-re subject))
2657 (if (> (length subject) gnus-summary-gather-subject-limit)
2658 (substring subject 0 gnus-summary-gather-subject-limit)
2660 ;; Fuzzily simplify it.
2661 ((eq 'fuzzy gnus-summary-gather-subject-limit)
2662 (gnus-simplify-subject-fuzzy subject))
2663 ;; Just remove the leading "Re:".
2665 (gnus-simplify-subject-re subject))))
2667 (if (and gnus-summary-gather-exclude-subject
2668 (string-match gnus-summary-gather-exclude-subject subject))
2669 nil ; This article shouldn't be gathered
2672 (defun gnus-summary-simplify-subject-query ()
2673 "Query where the respool algorithm would put this article."
2675 (gnus-set-global-variables)
2676 (gnus-summary-select-article)
2677 (message (gnus-general-simplify-subject (gnus-summary-article-subject))))
2679 (defun gnus-gather-threads-by-subject (threads)
2680 "Gather threads by looking at Subject headers."
2681 (if (not gnus-summary-make-false-root)
2683 (let ((hashtb (gnus-make-hashtable 1024))
2686 subject hthread whole-subject)
2688 (setq subject (gnus-general-simplify-subject
2689 (setq whole-subject (mail-header-subject
2692 (if (setq hthread (gnus-gethash subject hashtb))
2694 ;; We enter a dummy root into the thread, if we
2695 ;; haven't done that already.
2696 (unless (stringp (caar hthread))
2697 (setcar hthread (list whole-subject (car hthread))))
2698 ;; We add this new gathered thread to this gathered
2700 (setcdr (car hthread)
2701 (nconc (cdar hthread) (list (car threads))))
2702 ;; Remove it from the list of threads.
2703 (setcdr prev (cdr threads))
2704 (setq threads prev))
2705 ;; Enter this thread into the hash table.
2706 (gnus-sethash subject threads hashtb)))
2708 (setq threads (cdr threads)))
2711 (defun gnus-gather-threads-by-references (threads)
2712 "Gather threads by looking at References headers."
2713 (let ((idhashtb (gnus-make-hashtable 1024))
2714 (thhashtb (gnus-make-hashtable 1024))
2717 ids references id gthread gid entered ref)
2719 (when (setq references (mail-header-references (caar threads)))
2720 (setq id (mail-header-id (caar threads))
2721 ids (gnus-split-references references)
2723 (while (setq ref (pop ids))
2724 (setq ids (delete ref ids))
2725 (if (not (setq gid (gnus-gethash ref idhashtb)))
2727 (gnus-sethash ref id idhashtb)
2728 (gnus-sethash id threads thhashtb))
2729 (setq gthread (gnus-gethash gid thhashtb))
2731 ;; We enter a dummy root into the thread, if we
2732 ;; haven't done that already.
2733 (unless (stringp (caar gthread))
2734 (setcar gthread (list (mail-header-subject (caar gthread))
2736 ;; We add this new gathered thread to this gathered
2738 (setcdr (car gthread)
2739 (nconc (cdar gthread) (list (car threads)))))
2740 ;; Add it into the thread hash table.
2741 (gnus-sethash id gthread thhashtb)
2743 ;; Remove it from the list of threads.
2744 (setcdr prev (cdr threads))
2745 (setq threads prev))))
2747 (setq threads (cdr threads)))
2750 (defun gnus-sort-gathered-threads (threads)
2751 "Sort subtreads inside each gathered thread by article number."
2752 (let ((result threads))
2754 (when (stringp (caar threads))
2755 (setcdr (car threads)
2756 (sort (cdar threads) 'gnus-thread-sort-by-number)))
2757 (setq threads (cdr threads)))
2760 (defun gnus-thread-loop-p (root thread)
2761 "Say whether ROOT is in THREAD."
2762 (let ((th (cdr thread)))
2764 (not (eq (caar th) root)))
2767 ;; We have found a loop.
2769 (setcdr thread (delq (car th) (cdr thread)))
2770 (if (boundp (setq ref-dep (intern "none"
2771 gnus-newsgroup-dependencies)))
2772 (setcdr (symbol-value ref-dep)
2773 (nconc (cdr (symbol-value ref-dep))
2775 (set ref-dep (list nil (car th))))
2777 ;; Recurse down into the sub-threads and look for loops.
2780 (lambda (thread) (gnus-thread-loop-p root thread))
2783 (defun gnus-make-threads ()
2784 "Go through the dependency hashtb and find the roots. Return all threads."
2786 (while (catch 'infloop
2789 ;; Deal with self-referencing References loops.
2790 (when (and (car (symbol-value refs))
2797 (car (symbol-value refs)) thread))
2798 (cdr (symbol-value refs)))))))
2801 (unless (car (symbol-value refs))
2802 ;; These threads do not refer back to any other articles,
2803 ;; so they're roots.
2804 (setq threads (append (cdr (symbol-value refs)) threads))))
2805 gnus-newsgroup-dependencies)))
2808 (defun gnus-build-sparse-threads ()
2809 (let ((headers gnus-newsgroup-headers)
2810 (deps gnus-newsgroup-dependencies)
2811 header references generation relations
2812 cthread subject child end pthread relation)
2813 ;; First we create an alist of generations/relations, where
2814 ;; generations is how much we trust the relation, and the relation
2816 (gnus-message 7 "Making sparse threads...")
2818 (nnheader-set-temp-buffer " *gnus sparse threads*")
2819 (while (setq header (pop headers))
2820 (when (and (setq references (mail-header-references header))
2821 (not (string= references "")))
2823 (setq child (mail-header-id header)
2824 subject (mail-header-subject header))
2826 (while (search-backward ">" nil t)
2827 (setq end (1+ (point)))
2828 (when (search-backward "<" nil t)
2829 (push (list (incf generation)
2830 child (setq child (buffer-substring (point) end))
2833 (push (list (1+ generation) child nil subject) relations)
2835 (kill-buffer (current-buffer)))
2836 ;; Sort over trustworthiness.
2837 (setq relations (sort relations (lambda (r1 r2) (< (car r1) (car r2)))))
2838 (while (setq relation (pop relations))
2839 (when (if (boundp (setq cthread (intern (cadr relation) deps)))
2840 (unless (car (symbol-value cthread))
2841 ;; Make this article the parent of these threads.
2842 (setcar (symbol-value cthread)
2843 (vector gnus-reffed-article-number
2847 (or (caddr relation) "") 0 0 "")))
2848 (set cthread (list (vector gnus-reffed-article-number
2850 "" "" (cadr relation)
2851 (or (caddr relation) "") 0 0 ""))))
2852 (push gnus-reffed-article-number gnus-newsgroup-limit)
2853 (push gnus-reffed-article-number gnus-newsgroup-sparse)
2854 (push (cons gnus-reffed-article-number gnus-sparse-mark)
2855 gnus-newsgroup-reads)
2856 (decf gnus-reffed-article-number)
2857 ;; Make this new thread the child of its parent.
2858 (if (boundp (setq pthread (intern (or (caddr relation) "none") deps)))
2859 (setcdr (symbol-value pthread)
2860 (nconc (cdr (symbol-value pthread))
2861 (list (symbol-value cthread))))
2862 (set pthread (list nil (symbol-value cthread))))))
2863 (gnus-message 7 "Making sparse threads...done")))
2865 (defun gnus-build-old-threads ()
2866 ;; Look at all the articles that refer back to old articles, and
2867 ;; fetch the headers for the articles that aren't there. This will
2868 ;; build complete threads - if the roots haven't been expired by the
2873 (when (not (car (symbol-value refs)))
2874 (setq heads (cdr (symbol-value refs)))
2876 (if (memq (mail-header-number (caar heads))
2877 gnus-newsgroup-dormant)
2878 (setq heads (cdr heads))
2879 (setq id (symbol-name refs))
2880 (while (and (setq id (gnus-build-get-header id))
2881 (not (car (gnus-gethash
2882 id gnus-newsgroup-dependencies)))))
2883 (setq heads nil)))))
2884 gnus-newsgroup-dependencies)))
2886 (defun gnus-build-get-header (id)
2887 ;; Look through the buffer of NOV lines and find the header to
2888 ;; ID. Enter this line into the dependencies hash table, and return
2889 ;; the id of the parent article (if any).
2890 (let ((deps gnus-newsgroup-dependencies)
2894 (set-buffer nntp-server-buffer)
2895 (goto-char (point-min))
2896 (while (and (not found) (search-forward id nil t))
2898 (setq found (looking-at
2899 (format "^[^\t]*\t[^\t]*\t[^\t]*\t[^\t]*\t%s"
2900 (regexp-quote id))))
2901 (or found (beginning-of-line 2)))
2905 (setq header (gnus-nov-parse-line
2906 (read (current-buffer)) deps))
2907 (gnus-parent-id (mail-header-references header)))))
2909 (let ((number (mail-header-number header)))
2910 (push number gnus-newsgroup-limit)
2911 (push header gnus-newsgroup-headers)
2912 (if (memq number gnus-newsgroup-unselected)
2914 (push number gnus-newsgroup-unreads)
2915 (setq gnus-newsgroup-unselected
2916 (delq number gnus-newsgroup-unselected)))
2917 (push number gnus-newsgroup-ancient)))))))
2919 (defun gnus-summary-update-article-line (article header)
2920 "Update the line for ARTICLE using HEADERS."
2921 (let* ((id (mail-header-id header))
2922 (thread (gnus-id-to-thread id)))
2924 (error "Article in no thread"))
2925 ;; Update the thread.
2926 (setcar thread header)
2927 (gnus-summary-goto-subject article)
2928 (let* ((datal (gnus-data-find-list article))
2930 (length (when (cdr datal)
2931 (- (gnus-data-pos data)
2932 (gnus-data-pos (cadr datal)))))
2933 (buffer-read-only nil)
2934 (level (gnus-summary-thread-level)))
2936 (gnus-summary-insert-line
2937 header level nil (gnus-article-mark article)
2938 (memq article gnus-newsgroup-replied)
2939 (memq article gnus-newsgroup-expirable)
2940 ;; Only insert the Subject string when it's different
2941 ;; from the previous Subject string.
2942 (if (gnus-subject-equal
2944 (mail-header-subject
2947 (gnus-data-find-list
2949 (gnus-data-list t)))))
2951 (mail-header-subject header))
2952 (mail-header-subject header)
2954 nil (cdr (assq article gnus-newsgroup-scored))
2955 (memq article gnus-newsgroup-processable))
2957 (gnus-data-update-list
2958 (cdr datal) (- length (- (gnus-data-pos data) (point))))))))
2960 (defun gnus-summary-update-article (article &optional iheader)
2961 "Update ARTICLE in the summary buffer."
2962 (set-buffer gnus-summary-buffer)
2963 (let* ((header (or iheader (gnus-summary-article-header article)))
2964 (id (mail-header-id header))
2965 (data (gnus-data-find article))
2966 (thread (gnus-id-to-thread id))
2967 (references (mail-header-references header))
2971 (when (and references
2972 (not (equal "" references)))
2975 (buffer-read-only nil)
2977 (number (mail-header-number header))
2980 ;; !!! Should this be in or not?
2982 (setcar thread nil))
2984 (delq thread parent))
2985 (if (gnus-summary-insert-subject id header iheader)
2986 ;; Set the (possibly) new article number in the data structure.
2987 (gnus-data-set-number data (gnus-id-to-article id))
2991 (defun gnus-rebuild-thread (id)
2992 "Rebuild the thread containing ID."
2993 (let ((buffer-read-only nil)
2994 old-pos current thread data)
2995 (if (not gnus-show-threads)
2996 (setq thread (list (car (gnus-id-to-thread id))))
2997 ;; Get the thread this article is part of.
2998 (setq thread (gnus-remove-thread id)))
2999 (setq old-pos (gnus-point-at-bol))
3000 (setq current (save-excursion
3001 (and (zerop (forward-line -1))
3002 (gnus-summary-article-number))))
3003 ;; If this is a gathered thread, we have to go some re-gathering.
3004 (when (stringp (car thread))
3005 (let ((subject (car thread))
3007 (setq thread (cdr thread))
3009 (unless (memq (setq thr (gnus-id-to-thread
3011 (mail-header-id (caar thread)))))
3014 (setq thread (cdr thread)))
3015 ;; We now have all (unique) roots.
3016 (if (= (length roots) 1)
3017 ;; All the loose roots are now one solid root.
3018 (setq thread (car roots))
3019 (setq thread (cons subject (gnus-sort-threads roots))))))
3021 ;; We then insert this thread into the summary buffer.
3022 (let (gnus-newsgroup-data gnus-newsgroup-threads)
3023 (if gnus-show-threads
3024 (gnus-summary-prepare-threads (gnus-cut-threads (list thread)))
3025 (gnus-summary-prepare-unthreaded thread))
3026 (setq data (nreverse gnus-newsgroup-data))
3027 (setq threads gnus-newsgroup-threads))
3028 ;; We splice the new data into the data structure.
3029 (gnus-data-enter-list current data (- (point) old-pos))
3030 (setq gnus-newsgroup-threads (nconc threads gnus-newsgroup-threads)))))
3032 (defun gnus-number-to-header (number)
3033 "Return the header for article NUMBER."
3034 (let ((headers gnus-newsgroup-headers))
3036 (not (= number (mail-header-number (car headers)))))
3041 (defun gnus-parent-headers (headers &optional generation)
3042 "Return the headers of the GENERATIONeth parent of HEADERS."
3044 (setq generation 1))
3045 (let (references parent)
3046 (while (and headers (not (zerop generation)))
3047 (setq references (mail-header-references headers))
3048 (when (and references
3049 (setq parent (gnus-parent-id references))
3050 (setq headers (car (gnus-id-to-thread parent))))
3054 (defun gnus-id-to-thread (id)
3055 "Return the (sub-)thread where ID appears."
3056 (gnus-gethash id gnus-newsgroup-dependencies))
3058 (defun gnus-id-to-article (id)
3059 "Return the article number of ID."
3060 (let ((thread (gnus-id-to-thread id)))
3063 (mail-header-number (car thread)))))
3065 (defun gnus-id-to-header (id)
3066 "Return the article headers of ID."
3067 (car (gnus-id-to-thread id)))
3069 (defun gnus-article-displayed-root-p (article)
3070 "Say whether ARTICLE is a root(ish) article."
3071 (let ((level (gnus-summary-thread-level article))
3072 (refs (mail-header-references (gnus-summary-article-header article)))
3078 ((null (gnus-parent-id refs)) t)
3080 (null (setq particle (gnus-id-to-article
3081 (gnus-parent-id refs))))
3082 (null (gnus-summary-thread-level particle)))))))
3084 (defun gnus-root-id (id)
3085 "Return the id of the root of the thread where ID appears."
3087 (while (and id (setq prev (car (gnus-gethash
3088 id gnus-newsgroup-dependencies))))
3090 id (gnus-parent-id (mail-header-references prev))))
3093 (defun gnus-remove-thread (id &optional dont-remove)
3094 "Remove the thread that has ID in it."
3095 (let ((dep gnus-newsgroup-dependencies)
3096 headers thread last-id)
3097 ;; First go up in this thread until we find the root.
3098 (setq last-id (gnus-root-id id))
3099 (setq headers (list (car (gnus-id-to-thread last-id))
3100 (caadr (gnus-id-to-thread last-id))))
3101 ;; We have now found the real root of this thread. It might have
3102 ;; been gathered into some loose thread, so we have to search
3103 ;; through the threads to find the thread we wanted.
3104 (let ((threads gnus-newsgroup-threads)
3107 (setq sub (car threads))
3108 (if (stringp (car sub))
3109 ;; This is a gathered thread, so we look at the roots
3110 ;; below it to find whether this article is in this
3113 (setq sub (cdr sub))
3115 (when (member (caar sub) headers)
3116 (setq thread (car threads)
3119 (setq sub (cdr sub))))
3120 ;; It's an ordinary thread, so we check it.
3121 (when (eq (car sub) (car headers))
3124 (setq threads (cdr threads)))
3125 ;; If this article is in no thread, then it's a root.
3128 (setq gnus-newsgroup-threads (delq thread gnus-newsgroup-threads)))
3129 (setq thread (gnus-gethash last-id dep)))
3132 thread ; We return this thread.
3134 (if (stringp (car thread))
3136 ;; If we use dummy roots, then we have to remove the
3137 ;; dummy root as well.
3138 (when (eq gnus-summary-make-false-root 'dummy)
3140 (gnus-data-compute-positions))
3141 (setq thread (cdr thread))
3143 (gnus-remove-thread-1 (car thread))
3144 (setq thread (cdr thread))))
3145 (gnus-remove-thread-1 thread))))))))
3147 (defun gnus-remove-thread-1 (thread)
3148 "Remove the thread THREAD recursively."
3149 (let ((number (mail-header-number (pop thread)))
3151 (setq thread (reverse thread))
3153 (gnus-remove-thread-1 (pop thread)))
3154 (when (setq d (gnus-data-find number))
3155 (goto-char (gnus-data-pos d))
3158 (- (gnus-point-at-bol)
3160 (1+ (gnus-point-at-eol))
3161 (gnus-delete-line)))))))
3163 (defun gnus-sort-threads (threads)
3165 (if (not gnus-thread-sort-functions)
3167 (gnus-message 7 "Sorting threads...")
3169 (sort threads (gnus-make-sort-function gnus-thread-sort-functions))
3170 (gnus-message 7 "Sorting threads...done"))))
3172 (defun gnus-sort-articles (articles)
3174 (when gnus-article-sort-functions
3175 (gnus-message 7 "Sorting articles...")
3177 (setq gnus-newsgroup-headers
3178 (sort articles (gnus-make-sort-function
3179 gnus-article-sort-functions)))
3180 (gnus-message 7 "Sorting articles...done"))))
3182 ;; Written by Hallvard B Furuseth <h.b.furuseth@usit.uio.no>.
3183 (defmacro gnus-thread-header (thread)
3184 ;; Return header of first article in THREAD.
3185 ;; Note that THREAD must never, ever be anything else than a variable -
3186 ;; using some other form will lead to serious barfage.
3187 (or (symbolp thread) (signal 'wrong-type-argument '(symbolp thread)))
3188 ;; (8% speedup to gnus-summary-prepare, just for fun :-)
3189 (list 'byte-code "\10\211:\203\17\0\211@;\203\16\0A@@\207" ;
3192 (defsubst gnus-article-sort-by-number (h1 h2)
3193 "Sort articles by article number."
3194 (< (mail-header-number h1)
3195 (mail-header-number h2)))
3197 (defun gnus-thread-sort-by-number (h1 h2)
3198 "Sort threads by root article number."
3199 (gnus-article-sort-by-number
3200 (gnus-thread-header h1) (gnus-thread-header h2)))
3202 (defsubst gnus-article-sort-by-lines (h1 h2)
3203 "Sort articles by article Lines header."
3204 (< (mail-header-lines h1)
3205 (mail-header-lines h2)))
3207 (defun gnus-thread-sort-by-lines (h1 h2)
3208 "Sort threads by root article Lines header."
3209 (gnus-article-sort-by-lines
3210 (gnus-thread-header h1) (gnus-thread-header h2)))
3212 (defsubst gnus-article-sort-by-author (h1 h2)
3213 "Sort articles by root author."
3215 (let ((extract (funcall
3216 gnus-extract-address-components
3217 (mail-header-from h1))))
3218 (or (car extract) (cadr extract) ""))
3219 (let ((extract (funcall
3220 gnus-extract-address-components
3221 (mail-header-from h2))))
3222 (or (car extract) (cadr extract) ""))))
3224 (defun gnus-thread-sort-by-author (h1 h2)
3225 "Sort threads by root author."
3226 (gnus-article-sort-by-author
3227 (gnus-thread-header h1) (gnus-thread-header h2)))
3229 (defsubst gnus-article-sort-by-subject (h1 h2)
3230 "Sort articles by root subject."
3232 (downcase (gnus-simplify-subject-re (mail-header-subject h1)))
3233 (downcase (gnus-simplify-subject-re (mail-header-subject h2)))))
3235 (defun gnus-thread-sort-by-subject (h1 h2)
3236 "Sort threads by root subject."
3237 (gnus-article-sort-by-subject
3238 (gnus-thread-header h1) (gnus-thread-header h2)))
3240 (defsubst gnus-article-sort-by-date (h1 h2)
3241 "Sort articles by root article date."
3243 (gnus-date-get-time (mail-header-date h1))
3244 (gnus-date-get-time (mail-header-date h2))))
3246 (defun gnus-thread-sort-by-date (h1 h2)
3247 "Sort threads by root article date."
3248 (gnus-article-sort-by-date
3249 (gnus-thread-header h1) (gnus-thread-header h2)))
3251 (defsubst gnus-article-sort-by-score (h1 h2)
3252 "Sort articles by root article score.
3253 Unscored articles will be counted as having a score of zero."
3254 (> (or (cdr (assq (mail-header-number h1)
3255 gnus-newsgroup-scored))
3256 gnus-summary-default-score 0)
3257 (or (cdr (assq (mail-header-number h2)
3258 gnus-newsgroup-scored))
3259 gnus-summary-default-score 0)))
3261 (defun gnus-thread-sort-by-score (h1 h2)
3262 "Sort threads by root article score."
3263 (gnus-article-sort-by-score
3264 (gnus-thread-header h1) (gnus-thread-header h2)))
3266 (defun gnus-thread-sort-by-total-score (h1 h2)
3267 "Sort threads by the sum of all scores in the thread.
3268 Unscored articles will be counted as having a score of zero."
3269 (> (gnus-thread-total-score h1) (gnus-thread-total-score h2)))
3271 (defun gnus-thread-total-score (thread)
3272 ;; This function find the total score of THREAD.
3273 (cond ((null thread)
3276 (if (stringp (car thread))
3277 (apply gnus-thread-score-function 0
3278 (mapcar 'gnus-thread-total-score-1 (cdr thread)))
3279 (gnus-thread-total-score-1 thread)))
3281 (gnus-thread-total-score-1 (list thread)))))
3283 (defun gnus-thread-total-score-1 (root)
3284 ;; This function find the total score of the thread below ROOT.
3285 (setq root (car root))
3286 (apply gnus-thread-score-function
3288 (mapcar 'gnus-thread-total-score
3289 (cdr (gnus-gethash (mail-header-id root)
3290 gnus-newsgroup-dependencies)))
3291 (when (> (mail-header-number root) 0)
3292 (list (or (cdr (assq (mail-header-number root)
3293 gnus-newsgroup-scored))
3294 gnus-summary-default-score 0))))
3295 (list gnus-summary-default-score)
3298 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
3299 (defvar gnus-tmp-prev-subject nil)
3300 (defvar gnus-tmp-false-parent nil)
3301 (defvar gnus-tmp-root-expunged nil)
3302 (defvar gnus-tmp-dummy-line nil)
3304 (defun gnus-summary-prepare-threads (threads)
3305 "Prepare summary buffer from THREADS and indentation LEVEL.
3306 THREADS is either a list of `(PARENT [(CHILD1 [(GRANDCHILD ...]...) ...])'
3307 or a straight list of headers."
3308 (gnus-message 7 "Generating summary...")
3310 (setq gnus-newsgroup-threads threads)
3313 (let ((gnus-tmp-level 0)
3314 (default-score (or gnus-summary-default-score 0))
3315 (gnus-visual-p (gnus-visual-p 'summary-highlight 'highlight))
3316 thread number subject stack state gnus-tmp-gathered beg-match
3317 new-roots gnus-tmp-new-adopts thread-end
3318 gnus-tmp-header gnus-tmp-unread
3319 gnus-tmp-replied gnus-tmp-subject-or-nil
3320 gnus-tmp-dummy gnus-tmp-indentation gnus-tmp-lines gnus-tmp-score
3321 gnus-tmp-score-char gnus-tmp-from gnus-tmp-name
3322 gnus-tmp-number gnus-tmp-opening-bracket gnus-tmp-closing-bracket)
3324 (setq gnus-tmp-prev-subject nil)
3326 (if (vectorp (car threads))
3327 ;; If this is a straight (sic) list of headers, then a
3328 ;; threaded summary display isn't required, so we just create
3329 ;; an unthreaded one.
3330 (gnus-summary-prepare-unthreaded threads)
3332 ;; Do the threaded display.
3334 (while (or threads stack gnus-tmp-new-adopts new-roots)
3336 (if (and (= gnus-tmp-level 0)
3337 (not (setq gnus-tmp-dummy-line nil))
3340 (not gnus-tmp-false-parent)
3341 (or gnus-tmp-new-adopts new-roots))
3342 (if gnus-tmp-new-adopts
3343 (setq gnus-tmp-level (if gnus-tmp-root-expunged 0 1)
3344 thread (list (car gnus-tmp-new-adopts))
3345 gnus-tmp-header (caar thread)
3346 gnus-tmp-new-adopts (cdr gnus-tmp-new-adopts))
3348 (setq thread (list (car new-roots))
3349 gnus-tmp-header (caar thread)
3350 new-roots (cdr new-roots))))
3353 ;; If there are some threads, we do them before the
3354 ;; threads on the stack.
3355 (setq thread threads
3356 gnus-tmp-header (caar thread))
3357 ;; There were no current threads, so we pop something off
3359 (setq state (car stack)
3360 gnus-tmp-level (car state)
3363 gnus-tmp-header (caar thread))))
3365 (setq gnus-tmp-false-parent nil)
3366 (setq gnus-tmp-root-expunged nil)
3367 (setq thread-end nil)
3369 (if (stringp gnus-tmp-header)
3370 ;; The header is a dummy root.
3372 ((eq gnus-summary-make-false-root 'adopt)
3373 ;; We let the first article adopt the rest.
3374 (setq gnus-tmp-new-adopts (nconc gnus-tmp-new-adopts
3376 (setq gnus-tmp-gathered
3378 (lambda (h) (mail-header-number (car h)))
3381 (setq thread (cons (list (caar thread)
3384 (setq gnus-tmp-level -1
3385 gnus-tmp-false-parent t))
3386 ((eq gnus-summary-make-false-root 'empty)
3387 ;; We print adopted articles with empty subject fields.
3388 (setq gnus-tmp-gathered
3390 (lambda (h) (mail-header-number (car h)))
3393 (setq gnus-tmp-level -1))
3394 ((eq gnus-summary-make-false-root 'dummy)
3395 ;; We remember that we probably want to output a dummy
3397 (setq gnus-tmp-dummy-line gnus-tmp-header)
3398 (setq gnus-tmp-prev-subject gnus-tmp-header))
3400 ;; We do not make a root for the gathered
3401 ;; sub-threads at all.
3402 (setq gnus-tmp-level -1)))
3404 (setq number (mail-header-number gnus-tmp-header)
3405 subject (mail-header-subject gnus-tmp-header))
3408 ;; If the thread has changed subject, we might want to make
3409 ;; this subthread into a root.
3410 ((and (null gnus-thread-ignore-subject)
3411 (not (zerop gnus-tmp-level))
3412 gnus-tmp-prev-subject
3414 (gnus-subject-equal gnus-tmp-prev-subject subject))))
3415 (setq new-roots (nconc new-roots (list (car thread)))
3417 gnus-tmp-header nil))
3418 ;; If the article lies outside the current limit,
3419 ;; then we do not display it.
3420 ((not (memq number gnus-newsgroup-limit))
3421 (setq gnus-tmp-gathered
3423 (lambda (h) (mail-header-number (car h)))
3426 (setq gnus-tmp-new-adopts (if (cdar thread)
3427 (append gnus-tmp-new-adopts
3429 gnus-tmp-new-adopts)
3431 gnus-tmp-header nil)
3432 (when (zerop gnus-tmp-level)
3433 (setq gnus-tmp-root-expunged t)))
3434 ;; Perhaps this article is to be marked as read?
3435 ((and gnus-summary-mark-below
3436 (< (or (cdr (assq number gnus-newsgroup-scored))
3438 gnus-summary-mark-below)
3439 ;; Don't touch sparse articles.
3440 (not (gnus-summary-article-sparse-p number))
3441 (not (gnus-summary-article-ancient-p number)))
3442 (setq gnus-newsgroup-unreads
3443 (delq number gnus-newsgroup-unreads))
3444 (if gnus-newsgroup-auto-expire
3445 (push number gnus-newsgroup-expirable)
3446 (push (cons number gnus-low-score-mark)
3447 gnus-newsgroup-reads))))
3449 (when gnus-tmp-header
3450 ;; We may have an old dummy line to output before this
3452 (when gnus-tmp-dummy-line
3453 (gnus-summary-insert-dummy-line
3454 gnus-tmp-dummy-line (mail-header-number gnus-tmp-header))
3455 (setq gnus-tmp-dummy-line nil))
3457 ;; Compute the mark.
3458 (setq gnus-tmp-unread (gnus-article-mark number))
3460 (push (gnus-data-make number gnus-tmp-unread (1+ (point))
3461 gnus-tmp-header gnus-tmp-level)
3462 gnus-newsgroup-data)
3464 ;; Actually insert the line.
3466 gnus-tmp-subject-or-nil
3468 ((and gnus-thread-ignore-subject
3469 gnus-tmp-prev-subject
3470 (not (inline (gnus-subject-equal
3471 gnus-tmp-prev-subject subject))))
3473 ((zerop gnus-tmp-level)
3474 (if (and (eq gnus-summary-make-false-root 'empty)
3475 (memq number gnus-tmp-gathered)
3476 gnus-tmp-prev-subject
3477 (inline (gnus-subject-equal
3478 gnus-tmp-prev-subject subject)))
3479 gnus-summary-same-subject
3481 (t gnus-summary-same-subject)))
3482 (if (and (eq gnus-summary-make-false-root 'adopt)
3483 (= gnus-tmp-level 1)
3484 (memq number gnus-tmp-gathered))
3485 (setq gnus-tmp-opening-bracket ?\<
3486 gnus-tmp-closing-bracket ?\>)
3487 (setq gnus-tmp-opening-bracket ?\[
3488 gnus-tmp-closing-bracket ?\]))
3490 gnus-tmp-indentation
3491 (aref gnus-thread-indent-array gnus-tmp-level)
3492 gnus-tmp-lines (mail-header-lines gnus-tmp-header)
3493 gnus-tmp-score (or (cdr (assq number gnus-newsgroup-scored))
3494 gnus-summary-default-score 0)
3496 (if (or (null gnus-summary-default-score)
3497 (<= (abs (- gnus-tmp-score gnus-summary-default-score))
3498 gnus-summary-zcore-fuzz))
3500 (if (< gnus-tmp-score gnus-summary-default-score)
3501 gnus-score-below-mark gnus-score-over-mark))
3503 (cond ((memq number gnus-newsgroup-processable)
3505 ((memq number gnus-newsgroup-cached)
3507 ((memq number gnus-newsgroup-replied)
3509 ((memq number gnus-newsgroup-saved)
3511 (t gnus-unread-mark))
3512 gnus-tmp-from (mail-header-from gnus-tmp-header)
3515 ((string-match "<[^>]+> *$" gnus-tmp-from)
3516 (setq beg-match (match-beginning 0))
3517 (or (and (string-match "^\"[^\"]*\"" gnus-tmp-from)
3518 (substring gnus-tmp-from (1+ (match-beginning 0))
3519 (1- (match-end 0))))
3520 (substring gnus-tmp-from 0 beg-match)))
3521 ((string-match "(.+)" gnus-tmp-from)
3522 (substring gnus-tmp-from
3523 (1+ (match-beginning 0)) (1- (match-end 0))))
3525 (when (string= gnus-tmp-name "")
3526 (setq gnus-tmp-name gnus-tmp-from))
3527 (unless (numberp gnus-tmp-lines)
3528 (setq gnus-tmp-lines 0))
3529 (gnus-put-text-property
3531 (progn (eval gnus-summary-line-format-spec) (point))
3532 'gnus-number number)
3535 (run-hooks 'gnus-summary-update-hook)
3538 (setq gnus-tmp-prev-subject subject)))
3540 (when (nth 1 thread)
3541 (push (cons (max 0 gnus-tmp-level) (nthcdr 1 thread)) stack))
3542 (incf gnus-tmp-level)
3543 (setq threads (if thread-end nil (cdar thread)))
3545 (setq gnus-tmp-level 0)))))
3546 (gnus-message 7 "Generating summary...done"))
3548 (defun gnus-summary-prepare-unthreaded (headers)
3549 "Generate an unthreaded summary buffer based on HEADERS."
3550 (let (header number mark)
3555 ;; We may have to root out some bad articles...
3556 (when (memq (setq number (mail-header-number
3557 (setq header (pop headers))))
3558 gnus-newsgroup-limit)
3559 ;; Mark article as read when it has a low score.
3560 (when (and gnus-summary-mark-below
3561 (< (or (cdr (assq number gnus-newsgroup-scored))
3562 gnus-summary-default-score 0)
3563 gnus-summary-mark-below)
3564 (not (gnus-summary-article-ancient-p number)))
3565 (setq gnus-newsgroup-unreads
3566 (delq number gnus-newsgroup-unreads))
3567 (if gnus-newsgroup-auto-expire
3568 (push number gnus-newsgroup-expirable)
3569 (push (cons number gnus-low-score-mark)
3570 gnus-newsgroup-reads)))
3572 (setq mark (gnus-article-mark number))
3573 (push (gnus-data-make number mark (1+ (point)) header 0)
3574 gnus-newsgroup-data)
3575 (gnus-summary-insert-line
3577 mark (memq number gnus-newsgroup-replied)
3578 (memq number gnus-newsgroup-expirable)
3579 (mail-header-subject header) nil
3580 (cdr (assq number gnus-newsgroup-scored))
3581 (memq number gnus-newsgroup-processable))))))
3583 (defun gnus-select-newsgroup (group &optional read-all)
3584 "Select newsgroup GROUP.
3585 If READ-ALL is non-nil, all articles in the group are selected."
3586 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
3587 (info (nth 2 entry))
3588 articles fetched-articles cached)
3590 (unless (gnus-check-server
3591 (setq gnus-current-select-method
3592 (gnus-find-method-for-group group)))
3593 (error "Couldn't open server"))
3595 (or (and entry (not (eq (car entry) t))) ; Either it's active...
3596 (gnus-activate-group group) ; Or we can activate it...
3597 (progn ; Or we bug out.
3598 (when (equal major-mode 'gnus-summary-mode)
3599 (kill-buffer (current-buffer)))
3600 (error "Couldn't request group %s: %s"
3601 group (gnus-status-message group))))
3603 (unless (gnus-request-group group t)
3604 (when (equal major-mode 'gnus-summary-mode)
3605 (kill-buffer (current-buffer)))
3606 (error "Couldn't request group %s: %s"
3607 group (gnus-status-message group)))
3609 (setq gnus-newsgroup-name group)
3610 (setq gnus-newsgroup-unselected nil)
3611 (setq gnus-newsgroup-unreads (gnus-list-of-unread-articles group))
3613 ;; Adjust and set lists of article marks.
3615 (gnus-adjust-marked-articles info))
3617 ;; Kludge to avoid having cached articles nixed out in virtual groups.
3618 (when (gnus-virtual-group-p group)
3619 (setq cached gnus-newsgroup-cached))
3621 (setq gnus-newsgroup-unreads
3622 (gnus-set-difference
3623 (gnus-set-difference gnus-newsgroup-unreads gnus-newsgroup-marked)
3624 gnus-newsgroup-dormant))
3626 (setq gnus-newsgroup-processable nil)
3628 (gnus-update-read-articles group gnus-newsgroup-unreads)
3629 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
3630 (gnus-group-update-group group))
3632 (setq articles (gnus-articles-to-read group read-all))
3636 ;;(gnus-message 3 "Couldn't select newsgroup -- no articles to display")
3638 ((eq articles 0) nil)
3640 ;; Init the dependencies hash table.
3641 (setq gnus-newsgroup-dependencies
3642 (gnus-make-hashtable (length articles)))
3643 ;; Retrieve the headers and read them in.
3644 (gnus-message 5 "Fetching headers for %s..." gnus-newsgroup-name)
3645 (setq gnus-newsgroup-headers
3647 (setq gnus-headers-retrieved-by
3648 (gnus-retrieve-headers
3649 articles gnus-newsgroup-name
3650 ;; We might want to fetch old headers, but
3651 ;; not if there is only 1 article.
3652 (and gnus-fetch-old-headers
3654 (not (eq gnus-fetch-old-headers 'some))
3655 (not (numberp gnus-fetch-old-headers)))
3656 (> (length articles) 1))))))
3657 (gnus-get-newsgroup-headers-xover
3658 articles nil nil gnus-newsgroup-name t)
3659 (gnus-get-newsgroup-headers)))
3660 (gnus-message 5 "Fetching headers for %s...done" gnus-newsgroup-name)
3662 ;; Kludge to avoid having cached articles nixed out in virtual groups.
3664 (setq gnus-newsgroup-cached cached))
3666 ;; Suppress duplicates?
3667 (when gnus-suppress-duplicates
3668 (gnus-dup-suppress-articles))
3670 ;; Set the initial limit.
3671 (setq gnus-newsgroup-limit (copy-sequence articles))
3672 ;; Remove canceled articles from the list of unread articles.
3673 (setq gnus-newsgroup-unreads
3674 (gnus-set-sorted-intersection
3675 gnus-newsgroup-unreads
3676 (setq fetched-articles
3677 (mapcar (lambda (headers) (mail-header-number headers))
3678 gnus-newsgroup-headers))))
3679 ;; Removed marked articles that do not exist.
3680 (gnus-update-missing-marks
3681 (gnus-sorted-complement fetched-articles articles))
3682 ;; We might want to build some more threads first.
3683 (and gnus-fetch-old-headers
3684 (eq gnus-headers-retrieved-by 'nov)
3685 (gnus-build-old-threads))
3686 ;; Check whether auto-expire is to be done in this group.
3687 (setq gnus-newsgroup-auto-expire
3688 (gnus-group-auto-expirable-p group))
3689 ;; Set up the article buffer now, if necessary.
3690 (unless gnus-single-article-buffer
3691 (gnus-article-setup-buffer))
3692 ;; First and last article in this newsgroup.
3693 (when gnus-newsgroup-headers
3694 (setq gnus-newsgroup-begin
3695 (mail-header-number (car gnus-newsgroup-headers))
3698 (gnus-last-element gnus-newsgroup-headers))))
3699 ;; GROUP is successfully selected.
3700 (or gnus-newsgroup-headers t)))))
3702 (defun gnus-articles-to-read (group &optional read-all)
3703 ;; Find out what articles the user wants to read.
3705 ;; Select all articles if `read-all' is non-nil, or if there
3706 ;; are no unread articles.
3708 (and (zerop (length gnus-newsgroup-marked))
3709 (zerop (length gnus-newsgroup-unreads)))
3710 (eq (gnus-group-find-parameter group 'display)
3712 (gnus-uncompress-range (gnus-active group))
3713 (sort (append gnus-newsgroup-dormant gnus-newsgroup-marked
3714 (copy-sequence gnus-newsgroup-unreads))
3716 (scored-list (gnus-killed-articles gnus-newsgroup-killed articles))
3717 (scored (length scored-list))
3718 (number (length articles))
3719 (marked (+ (length gnus-newsgroup-marked)
3720 (length gnus-newsgroup-dormant)))
3728 ((and (or (<= scored marked) (= scored number))
3729 (numberp gnus-large-newsgroup)
3730 (> number gnus-large-newsgroup))
3734 "How many articles from %s (default %d): "
3735 (gnus-limit-string gnus-newsgroup-name 35)
3737 (if (string-match "^[ \t]*$" input) number input)))
3738 ((and (> scored marked) (< scored number)
3739 (> (- scored number) 20))
3742 (format "%s %s (%d scored, %d total): "
3743 "How many articles from"
3744 group scored number))))
3745 (if (string-match "^[ \t]*$" input)
3749 (setq select (if (stringp select) (string-to-number select) select))
3750 (if (or (null select) (zerop select))
3752 (if (and (not (zerop scored)) (<= (abs select) scored))
3754 (setq articles (sort scored-list '<))
3755 (setq number (length articles)))
3756 (setq articles (copy-sequence articles)))
3758 (when (< (abs select) number)
3760 ;; Select the N oldest articles.
3761 (setcdr (nthcdr (1- (abs select)) articles) nil)
3762 ;; Select the N most recent articles.
3763 (setq articles (nthcdr (- number select) articles))))
3764 (setq gnus-newsgroup-unselected
3765 (gnus-sorted-intersection
3766 gnus-newsgroup-unreads
3767 (gnus-sorted-complement gnus-newsgroup-unreads articles)))
3770 (defun gnus-killed-articles (killed articles)
3773 (when (inline (gnus-member-of-range (car articles) killed))
3774 (push (car articles) out))
3775 (setq articles (cdr articles)))
3778 (defun gnus-uncompress-marks (marks)
3779 "Uncompress the mark ranges in MARKS."
3780 (let ((uncompressed '(score bookmark))
3783 (if (memq (caar marks) uncompressed)
3784 (push (car marks) out)
3785 (push (cons (caar marks) (gnus-uncompress-range (cdar marks))) out))
3786 (setq marks (cdr marks)))
3789 (defun gnus-adjust-marked-articles (info)
3790 "Set all article lists and remove all marks that are no longer legal."
3791 (let* ((marked-lists (gnus-info-marks info))
3792 (active (gnus-active (gnus-info-group info)))
3795 (types gnus-article-mark-lists)
3796 (uncompressed '(score bookmark killed))
3797 marks var articles article mark)
3800 (setq marks (pop marked-lists))
3801 (set (setq var (intern (format "gnus-newsgroup-%s"
3802 (car (rassq (setq mark (car marks))
3804 (if (memq (car marks) uncompressed) (cdr marks)
3805 (gnus-uncompress-range (cdr marks))))
3807 (setq articles (symbol-value var))
3809 ;; All articles have to be subsets of the active articles.
3811 ;; Adjust "simple" lists.
3812 ((memq mark '(tick dormant expirable reply save))
3814 (when (or (< (setq article (pop articles)) min) (> article max))
3815 (set var (delq article (symbol-value var))))))
3817 ((memq mark uncompressed)
3819 (when (or (not (consp (setq article (pop articles))))
3820 (< (car article) min)
3821 (> (car article) max))
3822 (set var (delq article (symbol-value var))))))))))
3824 (defun gnus-update-missing-marks (missing)
3825 "Go through the list of MISSING articles and remove them mark lists."
3827 (let ((types gnus-article-mark-lists)
3829 ;; Go through all types.
3831 (setq var (intern (format "gnus-newsgroup-%s" (car (pop types)))))
3832 (when (symbol-value var)
3833 ;; This list has articles. So we delete all missing articles
3837 (set var (delq (pop m) (symbol-value var)))))))))
3839 (defun gnus-update-marks ()
3840 "Enter the various lists of marked articles into the newsgroup info list."
3841 (let ((types gnus-article-mark-lists)
3842 (info (gnus-get-info gnus-newsgroup-name))
3843 (uncompressed '(score bookmark killed))
3844 type list newmarked symbol)
3846 ;; Add all marks lists that are non-nil to the list of marks lists.
3847 (while (setq type (pop types))
3848 (when (setq list (symbol-value
3850 (intern (format "gnus-newsgroup-%s"
3853 ;; Get rid of the entries of the articles that have the
3855 (when (and (eq (cdr type) 'score)
3859 (prev (cons nil list))
3862 (if (or (not (consp (car arts)))
3863 (= (cdar arts) gnus-summary-default-score))
3864 (setcdr prev (cdr arts))
3866 (setq arts (cdr arts)))
3867 (setq list (cdr all))))
3869 (push (cons (cdr type)
3870 (if (memq (cdr type) uncompressed) list
3871 (gnus-compress-sequence
3872 (set symbol (sort list '<)) t)))
3875 ;; Enter these new marks into the info of the group.
3877 (setcar (nthcdr 3 info) newmarked)
3878 ;; Add the marks lists to the end of the info.
3880 (setcdr (nthcdr 2 info) (list newmarked))))
3882 ;; Cut off the end of the info if there's nothing else there.
3886 (when (nthcdr (decf i) info)
3887 (setcdr (nthcdr i info) nil)))))))
3889 (defun gnus-set-mode-line (where)
3890 "This function sets the mode line of the article or summary buffers.
3891 If WHERE is `summary', the summary mode line format will be used."
3892 ;; Is this mode line one we keep updated?
3893 (when (memq where gnus-updated-mode-lines)
3896 ;; We evaluate this in the summary buffer since these
3897 ;; variables are buffer-local to that buffer.
3898 (set-buffer gnus-summary-buffer)
3899 ;; We bind all these variables that are used in the `eval' form
3901 (let* ((mformat (symbol-value
3903 (format "gnus-%s-mode-line-format-spec" where))))
3904 (gnus-tmp-group-name gnus-newsgroup-name)
3905 (gnus-tmp-article-number (or gnus-current-article 0))
3906 (gnus-tmp-unread gnus-newsgroup-unreads)
3907 (gnus-tmp-unread-and-unticked (length gnus-newsgroup-unreads))
3908 (gnus-tmp-unselected (length gnus-newsgroup-unselected))
3909 (gnus-tmp-unread-and-unselected
3910 (cond ((and (zerop gnus-tmp-unread-and-unticked)
3911 (zerop gnus-tmp-unselected))
3913 ((zerop gnus-tmp-unselected)
3914 (format "{%d more}" gnus-tmp-unread-and-unticked))
3915 (t (format "{%d(+%d) more}"
3916 gnus-tmp-unread-and-unticked
3917 gnus-tmp-unselected))))
3919 (if (and gnus-current-headers
3920 (vectorp gnus-current-headers))
3921 (gnus-mode-string-quote
3922 (mail-header-subject gnus-current-headers))
3924 bufname-length max-len
3925 gnus-tmp-header);; passed as argument to any user-format-funcs
3926 (setq mode-string (eval mformat))
3927 (setq bufname-length (if (string-match "%b" mode-string)
3930 (if (eq where 'summary)
3932 (get-buffer gnus-article-buffer))))
3935 (setq max-len (max 4 (if gnus-mode-non-string-length
3937 gnus-mode-non-string-length
3939 (length mode-string))))
3940 ;; We might have to chop a bit of the string off...
3941 (when (> (length mode-string) max-len)
3943 (concat (gnus-truncate-string mode-string (- max-len 3))
3945 ;; Pad the mode string a bit.
3946 (setq mode-string (format (format "%%-%ds" max-len) mode-string))))
3947 ;; Update the mode line.
3948 (setq mode-line-buffer-identification
3949 (gnus-mode-line-buffer-identification (list mode-string)))
3950 (set-buffer-modified-p t))))
3952 (defun gnus-create-xref-hashtb (from-newsgroup headers unreads)
3953 "Go through the HEADERS list and add all Xrefs to a hash table.
3954 The resulting hash table is returned, or nil if no Xrefs were found."
3955 (let* ((virtual (gnus-virtual-group-p from-newsgroup))
3956 (prefix (if virtual "" (gnus-group-real-prefix from-newsgroup)))
3957 (xref-hashtb (gnus-make-hashtable))
3958 start group entry number xrefs header)
3960 (setq header (pop headers))
3961 (when (and (setq xrefs (mail-header-xref header))
3962 (not (memq (setq number (mail-header-number header))
3965 (while (string-match "\\([^ ]+\\)[:/]\\([0-9]+\\)" xrefs start)
3966 (setq start (match-end 0))
3967 (setq group (if prefix
3968 (concat prefix (substring xrefs (match-beginning 1)
3970 (substring xrefs (match-beginning 1) (match-end 1))))
3972 (string-to-int (substring xrefs (match-beginning 2)
3974 (if (setq entry (gnus-gethash group xref-hashtb))
3975 (setcdr entry (cons number (cdr entry)))
3976 (gnus-sethash group (cons number nil) xref-hashtb)))))
3977 (and start xref-hashtb)))
3979 (defun gnus-mark-xrefs-as-read (from-newsgroup headers unreads)
3980 "Look through all the headers and mark the Xrefs as read."
3981 (let ((virtual (gnus-virtual-group-p from-newsgroup))
3982 name entry info xref-hashtb idlist method nth4)
3984 (set-buffer gnus-group-buffer)
3985 (when (setq xref-hashtb
3986 (gnus-create-xref-hashtb from-newsgroup headers unreads))
3989 (unless (string= from-newsgroup (setq name (symbol-name group)))
3990 (setq idlist (symbol-value group))
3991 ;; Dead groups are not updated.
3993 (setq entry (gnus-gethash name gnus-newsrc-hashtb)
3995 (when (stringp (setq nth4 (gnus-info-method info)))
3996 (setq nth4 (gnus-server-to-method nth4))))
3997 ;; Only do the xrefs if the group has the same
3998 ;; select method as the group we have just read.
3999 (or (gnus-methods-equal-p
4000 nth4 (gnus-find-method-for-group from-newsgroup))
4002 (equal nth4 (setq method (gnus-find-method-for-group
4004 (and (equal (car nth4) (car method))
4005 (equal (nth 1 nth4) (nth 1 method))))
4006 gnus-use-cross-reference
4007 (or (not (eq gnus-use-cross-reference t))
4009 ;; Only do cross-references on subscribed
4010 ;; groups, if that is what is wanted.
4011 (<= (gnus-info-level info) gnus-level-subscribed))
4012 (gnus-group-make-articles-read name idlist))))
4015 (defun gnus-group-make-articles-read (group articles)
4016 "Update the info of GROUP to say that ARTICLES are read."
4018 (entry (gnus-gethash group gnus-newsrc-hashtb))
4019 (info (nth 2 entry))
4020 (active (gnus-active group))
4022 ;; First peel off all illegal article numbers.
4024 (let ((ids articles)
4026 (while (setq id (pop ids))
4027 (when (and first (> id (cdr active)))
4028 ;; We'll end up in this situation in one particular
4029 ;; obscure situation. If you re-scan a group and get
4030 ;; a new article that is cross-posted to a different
4031 ;; group that has not been re-scanned, you might get
4032 ;; crossposted article that has a higher number than
4033 ;; Gnus believes possible. So we re-activate this
4034 ;; group as well. This might mean doing the
4035 ;; crossposting thingy will *increase* the number
4036 ;; of articles in some groups. Tsk, tsk.
4037 (setq active (or (gnus-activate-group group) active)))
4038 (when (or (> id (cdr active))
4039 (< id (car active)))
4040 (setq articles (delq id articles))))))
4042 (set-buffer gnus-group-buffer)
4045 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
4046 (gnus-info-set-read ',info ',(gnus-info-read info))
4047 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
4048 (gnus-group-update-group ,group t))))
4049 ;; If the read list is nil, we init it.
4051 (null (gnus-info-read info))
4053 (gnus-info-set-read info (cons 1 (1- (car active)))))
4054 ;; Then we add the read articles to the range.
4059 (gnus-info-read info) (setq articles (sort articles '<)))))
4060 ;; Then we have to re-compute how many unread
4061 ;; articles there are in this group.
4065 (setq num (- (1+ (cdr active)) (car active))))
4066 ((not (listp (cdr range)))
4067 (setq num (- (cdr active) (- (1+ (cdr range))
4071 (if (numberp (car range))
4073 (setq num (+ num (- (1+ (cdar range)) (caar range)))))
4074 (setq range (cdr range)))
4075 (setq num (- (cdr active) num))))
4076 ;; Update the number of unread articles.
4078 ;; Update the group buffer.
4079 (gnus-group-update-group group t))))
4081 (defun gnus-methods-equal-p (m1 m2)
4082 (let ((m1 (or m1 gnus-select-method))
4083 (m2 (or m2 gnus-select-method)))
4085 (and (eq (car m1) (car m2))
4086 (or (not (memq 'address (assoc (symbol-name (car m1))
4087 gnus-valid-select-methods)))
4088 (equal (nth 1 m1) (nth 1 m2)))))))
4090 (defvar gnus-newsgroup-none-id 0)
4092 (defun gnus-get-newsgroup-headers (&optional dependencies force-new)
4093 (let ((cur nntp-server-buffer)
4096 (save-excursion (set-buffer gnus-summary-buffer)
4097 gnus-newsgroup-dependencies)))
4098 headers id id-dep ref-dep end ref)
4100 (set-buffer nntp-server-buffer)
4101 ;; Translate all TAB characters into SPACE characters.
4102 (subst-char-in-region (point-min) (point-max) ?\t ? t)
4103 (run-hooks 'gnus-parse-headers-hook)
4104 (let ((case-fold-search t)
4105 in-reply-to header p lines)
4106 (goto-char (point-min))
4107 ;; Search to the beginning of the next header. Error messages
4108 ;; do not begin with 2 or 3.
4109 (while (re-search-forward "^[23][0-9]+ " nil t)
4112 ;; This implementation of this function, with nine
4113 ;; search-forwards instead of the one re-search-forward and
4114 ;; a case (which basically was the old function) is actually
4115 ;; about twice as fast, even though it looks messier. You
4116 ;; can't have everything, I guess. Speed and elegance
4117 ;; doesn't always go hand in hand.
4126 (narrow-to-region (point)
4127 (or (and (search-forward "\n.\n" nil t)
4133 (if (search-forward "\nsubject: " nil t)
4134 (nnheader-header-value) "(none)"))
4138 (if (search-forward "\nfrom: " nil t)
4139 (nnheader-header-value) "(nobody)"))
4143 (if (search-forward "\ndate: " nil t)
4144 (nnheader-header-value) ""))
4148 (setq id (if (search-forward "\nmessage-id:" nil t)
4150 (1- (or (search-forward "<" nil t) (point)))
4151 (or (search-forward ">" nil t) (point)))
4152 ;; If there was no message-id, we just fake one
4153 ;; to make subsequent routines simpler.
4154 (nnheader-generate-fake-message-id))))
4158 (if (search-forward "\nreferences: " nil t)
4162 (nnheader-header-value)
4167 (search-backward ">" end t)
4170 (search-backward "<" end t)
4172 ;; Get the references from the in-reply-to header if there
4173 ;; were no references and the in-reply-to header looks
4175 (if (and (search-forward "\nin-reply-to: " nil t)
4176 (setq in-reply-to (nnheader-header-value))
4177 (string-match "<[^>]+>" in-reply-to))
4178 (setq ref (substring in-reply-to (match-beginning 0)
4186 (if (search-forward "\nlines: " nil t)
4187 (if (numberp (setq lines (read cur)))
4193 (and (search-forward "\nxref: " nil t)
4194 (nnheader-header-value)))))
4195 (when (equal id ref)
4197 ;; We do the threading while we read the headers. The
4198 ;; message-id and the last reference are both entered into
4199 ;; the same hash table. Some tippy-toeing around has to be
4200 ;; done in case an article has arrived before the article
4201 ;; which it refers to.
4202 (if (boundp (setq id-dep (intern id dependencies)))
4203 (if (and (car (symbol-value id-dep))
4205 ;; An article with this Message-ID has already been seen.
4206 (if gnus-summary-ignore-duplicates
4207 ;; We ignore this one, except we add
4208 ;; any additional Xrefs (in case the two articles
4209 ;; came from different servers).
4211 (mail-header-set-xref
4212 (car (symbol-value id-dep))
4213 (concat (or (mail-header-xref
4214 (car (symbol-value id-dep)))
4216 (or (mail-header-xref header) "")))
4218 ;; We rename the Message-ID.
4220 (setq id-dep (intern (setq id (nnmail-message-id))
4223 (mail-header-set-id header id))
4224 (setcar (symbol-value id-dep) header))
4225 (set id-dep (list header)))
4227 (if (boundp (setq ref-dep (intern (or ref "none") dependencies)))
4228 (setcdr (symbol-value ref-dep)
4229 (nconc (cdr (symbol-value ref-dep))
4230 (list (symbol-value id-dep))))
4231 (set ref-dep (list nil (symbol-value id-dep))))
4232 (push header headers))
4233 (goto-char (point-max))
4235 (nreverse headers)))))
4237 ;; The following macros and functions were written by Felix Lee
4238 ;; <flee@cse.psu.edu>.
4240 (defmacro gnus-nov-read-integer ()
4242 (if (= (following-char) ?\t)
4244 (let ((num (ignore-errors (read buffer))))
4245 (if (numberp num) num 0)))
4249 (defmacro gnus-nov-skip-field ()
4250 '(search-forward "\t" eol 'move))
4252 (defmacro gnus-nov-field ()
4253 '(buffer-substring (point) (if (gnus-nov-skip-field) (1- (point)) eol)))
4255 ;; (defvar gnus-nov-none-counter 0)
4257 ;; This function has to be called with point after the article number
4258 ;; on the beginning of the line.
4259 (defun gnus-nov-parse-line (number dependencies &optional force-new)
4260 (let ((eol (gnus-point-at-eol))
4261 (buffer (current-buffer))
4262 header ref id id-dep ref-dep)
4264 ;; overview: [num subject from date id refs chars lines misc]
4267 (narrow-to-region (point) eol)
4274 (gnus-nov-field) ; subject
4275 (gnus-nov-field) ; from
4276 (gnus-nov-field) ; date
4277 (setq id (or (gnus-nov-field)
4278 (nnheader-generate-fake-message-id))) ; id
4280 (let ((beg (point)))
4281 (search-forward "\t" eol)
4282 (if (search-backward ">" beg t)
4286 (search-backward "<" beg t)))
4289 (gnus-nov-field)) ; refs
4290 (gnus-nov-read-integer) ; chars
4291 (gnus-nov-read-integer) ; lines
4292 (if (= (following-char) ?\n)
4294 (gnus-nov-field))))) ; misc
4298 ;; We build the thread tree.
4299 (when (equal id ref)
4300 ;; This article refers back to itself. Naughty, naughty.
4302 (if (boundp (setq id-dep (intern id dependencies)))
4303 (if (and (car (symbol-value id-dep))
4305 ;; An article with this Message-ID has already been seen.
4306 (if gnus-summary-ignore-duplicates
4307 ;; We ignore this one, except we add any additional
4308 ;; Xrefs (in case the two articles came from different
4311 (mail-header-set-xref
4312 (car (symbol-value id-dep))
4313 (concat (or (mail-header-xref
4314 (car (symbol-value id-dep)))
4316 (or (mail-header-xref header) "")))
4318 ;; We rename the Message-ID.
4320 (setq id-dep (intern (setq id (nnmail-message-id))
4323 (mail-header-set-id header id))
4324 (setcar (symbol-value id-dep) header))
4325 (set id-dep (list header)))
4327 (if (boundp (setq ref-dep (intern (or ref "none") dependencies)))
4328 (setcdr (symbol-value ref-dep)
4329 (nconc (cdr (symbol-value ref-dep))
4330 (list (symbol-value id-dep))))
4331 (set ref-dep (list nil (symbol-value id-dep)))))
4334 ;; Goes through the xover lines and returns a list of vectors
4335 (defun gnus-get-newsgroup-headers-xover (sequence &optional
4336 force-new dependencies
4337 group also-fetch-heads)
4338 "Parse the news overview data in the server buffer, and return a
4339 list of headers that match SEQUENCE (see `nntp-retrieve-headers')."
4340 ;; Get the Xref when the users reads the articles since most/some
4341 ;; NNTP servers do not include Xrefs when using XOVER.
4342 (setq gnus-article-internal-prepare-hook '(gnus-article-get-xrefs))
4343 (let ((cur nntp-server-buffer)
4344 (dependencies (or dependencies gnus-newsgroup-dependencies))
4345 number headers header)
4347 (set-buffer nntp-server-buffer)
4348 ;; Allow the user to mangle the headers before parsing them.
4349 (run-hooks 'gnus-parse-headers-hook)
4350 (goto-char (point-min))
4353 (while (and sequence (not (eobp)))
4354 (setq number (read cur))
4355 (while (and sequence
4356 (< (car sequence) number))
4357 (setq sequence (cdr sequence)))
4359 (eq number (car sequence))
4361 (setq sequence (cdr sequence))
4362 (setq header (inline
4363 (gnus-nov-parse-line
4364 number dependencies force-new))))
4365 (push header headers))
4368 (gnus-error 4 "Strange nov line (%d)"
4369 (count-lines (point-min) (point)))))
4371 ;; A common bug in inn is that if you have posted an article and
4372 ;; then retrieves the active file, it will answer correctly --
4373 ;; the new article is included. However, a NOV entry for the
4374 ;; article may not have been generated yet, so this may fail.
4375 ;; We work around this problem by retrieving the last few
4376 ;; headers using HEAD.
4377 (if (or (not also-fetch-heads)
4379 ;; We (probably) got all the headers.
4381 (let ((gnus-nov-is-evil t))
4384 (when (gnus-retrieve-headers sequence group)
4385 (gnus-get-newsgroup-headers))))))))
4387 (defun gnus-article-get-xrefs ()
4388 "Fill in the Xref value in `gnus-current-headers', if necessary.
4389 This is meant to be called in `gnus-article-internal-prepare-hook'."
4390 (let ((headers (save-excursion (set-buffer gnus-summary-buffer)
4391 gnus-current-headers)))
4392 (or (not gnus-use-cross-reference)
4394 (and (mail-header-xref headers)
4395 (not (string= (mail-header-xref headers) "")))
4396 (let ((case-fold-search t)
4399 (nnheader-narrow-to-headers)
4400 (goto-char (point-min))
4401 (when (or (and (eq (downcase (following-char)) ?x)
4402 (looking-at "Xref:"))
4403 (search-forward "\nXref:" nil t))
4404 (goto-char (1+ (match-end 0)))
4405 (setq xref (buffer-substring (point)
4406 (progn (end-of-line) (point))))
4407 (mail-header-set-xref headers xref)))))))
4409 (defun gnus-summary-insert-subject (id &optional old-header use-old-header)
4410 "Find article ID and insert the summary line for that article."
4411 (let ((header (if (and old-header use-old-header)
4412 old-header (gnus-read-header id)))
4413 (number (and (numberp id) id))
4416 ;; Rebuild the thread that this article is part of and go to the
4417 ;; article we have fetched.
4418 (when (and (not gnus-show-threads)
4420 (when (setq d (gnus-data-find (mail-header-number old-header)))
4421 (goto-char (gnus-data-pos d))
4424 (- (gnus-point-at-bol)
4426 (1+ (gnus-point-at-eol))
4427 (gnus-delete-line))))))
4429 (mail-header-set-number header (mail-header-number old-header)))
4430 (setq gnus-newsgroup-sparse
4431 (delq (setq number (mail-header-number header))
4432 gnus-newsgroup-sparse))
4433 (setq gnus-newsgroup-ancient (delq number gnus-newsgroup-ancient))
4434 (gnus-rebuild-thread (mail-header-id header))
4435 (gnus-summary-goto-subject number nil t))
4436 (when (and (numberp number)
4438 ;; We have to update the boundaries even if we can't fetch the
4439 ;; article if ID is a number -- so that the next `P' or `N'
4440 ;; command will fetch the previous (or next) article even
4441 ;; if the one we tried to fetch this time has been canceled.
4442 (when (> number gnus-newsgroup-end)
4443 (setq gnus-newsgroup-end number))
4444 (when (< number gnus-newsgroup-begin)
4445 (setq gnus-newsgroup-begin number))
4446 (setq gnus-newsgroup-unselected
4447 (delq number gnus-newsgroup-unselected)))
4448 ;; Report back a success?
4449 (and header (mail-header-number header))))
4451 ;;; Process/prefix in the summary buffer
4453 (defun gnus-summary-work-articles (n)
4454 "Return a list of articles to be worked upon. The prefix argument,
4455 the list of process marked articles, and the current article will be
4456 taken into consideration."
4459 ;; A numerical prefix has been given.
4460 (setq n (prefix-numeric-value n))
4461 (let ((backward (< n 0))
4462 (n (abs (prefix-numeric-value n)))
4467 (push (setq article (gnus-summary-article-number))
4470 (gnus-summary-find-prev nil article)
4471 (gnus-summary-find-next nil article)))
4473 (nreverse articles)))
4474 ((gnus-region-active-p)
4475 ;; Work on the region between point and mark.
4476 (let ((max (max (point) (mark)))
4479 (goto-char (min (point) (mark)))
4482 (push (setq article (gnus-summary-article-number)) articles)
4483 (gnus-summary-find-next nil article)
4485 (nreverse articles))))
4486 (gnus-newsgroup-processable
4487 ;; There are process-marked articles present.
4488 ;; Save current state.
4489 (gnus-summary-save-process-mark)
4491 (reverse gnus-newsgroup-processable))
4493 ;; Just return the current article.
4494 (list (gnus-summary-article-number)))))
4496 (defun gnus-summary-save-process-mark ()
4497 "Push the current set of process marked articles on the stack."
4499 (push (copy-sequence gnus-newsgroup-processable)
4500 gnus-newsgroup-process-stack))
4502 (defun gnus-summary-kill-process-mark ()
4503 "Push the current set of process marked articles on the stack and unmark."
4505 (gnus-summary-save-process-mark)
4506 (gnus-summary-unmark-all-processable))
4508 (defun gnus-summary-yank-process-mark ()
4509 "Pop the last process mark state off the stack and restore it."
4511 (unless gnus-newsgroup-process-stack
4512 (error "Empty mark stack"))
4513 (gnus-summary-process-mark-set (pop gnus-newsgroup-process-stack)))
4515 (defun gnus-summary-process-mark-set (set)
4516 "Make SET into the current process marked articles."
4517 (gnus-summary-unmark-all-processable)
4519 (gnus-summary-set-process-mark (pop set))))
4521 ;;; Searching and stuff
4523 (defun gnus-summary-search-group (&optional backward use-level)
4524 "Search for next unread newsgroup.
4525 If optional argument BACKWARD is non-nil, search backward instead."
4527 (set-buffer gnus-group-buffer)
4528 (when (gnus-group-search-forward
4529 backward nil (if use-level (gnus-group-group-level) nil))
4530 (gnus-group-group-name))))
4532 (defun gnus-summary-best-group (&optional exclude-group)
4533 "Find the name of the best unread group.
4534 If EXCLUDE-GROUP, do not go to this group."
4536 (set-buffer gnus-group-buffer)
4538 (gnus-group-best-unread-group exclude-group))))
4540 (defun gnus-summary-find-next (&optional unread article backward)
4541 (if backward (gnus-summary-find-prev)
4542 (let* ((dummy (gnus-summary-article-intangible-p))
4543 (article (or article (gnus-summary-article-number)))
4544 (arts (gnus-data-find-list article))
4546 (when (and (not dummy)
4547 (or (not gnus-summary-check-current)
4549 (not (gnus-data-unread-p (car arts)))))
4550 (setq arts (cdr arts)))
4555 (when (gnus-data-unread-p (car arts))
4556 (setq result (car arts)
4558 (setq arts (cdr arts)))
4561 (goto-char (gnus-data-pos result))
4562 (gnus-data-number result)))))
4564 (defun gnus-summary-find-prev (&optional unread article)
4565 (let* ((eobp (eobp))
4566 (article (or article (gnus-summary-article-number)))
4567 (arts (gnus-data-find-list article (gnus-data-list 'rev)))
4569 (when (and (not eobp)
4570 (or (not gnus-summary-check-current)
4572 (not (gnus-data-unread-p (car arts)))))
4573 (setq arts (cdr arts)))
4578 (when (gnus-data-unread-p (car arts))
4579 (setq result (car arts)
4581 (setq arts (cdr arts)))
4584 (goto-char (gnus-data-pos result))
4585 (gnus-data-number result))))
4587 (defun gnus-summary-find-subject (subject &optional unread backward article)
4588 (let* ((simp-subject (gnus-simplify-subject-fully subject))
4589 (article (or article (gnus-summary-article-number)))
4590 (articles (gnus-data-list backward))
4591 (arts (gnus-data-find-list article articles))
4593 (when (or (not gnus-summary-check-current)
4595 (not (gnus-data-unread-p (car arts))))
4596 (setq arts (cdr arts)))
4598 (and (or (not unread)
4599 (gnus-data-unread-p (car arts)))
4600 (vectorp (gnus-data-header (car arts)))
4602 simp-subject (mail-header-subject (gnus-data-header (car arts))) t)
4603 (setq result (car arts)
4605 (setq arts (cdr arts)))
4607 (goto-char (gnus-data-pos result))
4608 (gnus-data-number result))))
4610 (defun gnus-summary-search-forward (&optional unread subject backward)
4611 "Search forward for an article.
4612 If UNREAD, look for unread articles. If SUBJECT, look for
4613 articles with that subject. If BACKWARD, search backward instead."
4614 (cond (subject (gnus-summary-find-subject subject unread backward))
4615 (backward (gnus-summary-find-prev unread))
4616 (t (gnus-summary-find-next unread))))
4618 (defun gnus-recenter (&optional n)
4619 "Center point in window and redisplay frame.
4620 Also do horizontal recentering."
4622 (when (and gnus-auto-center-summary
4623 (not (eq gnus-auto-center-summary 'vertical)))
4624 (gnus-horizontal-recenter))
4627 (defun gnus-summary-recenter ()
4628 "Center point in the summary window.
4629 If `gnus-auto-center-summary' is nil, or the article buffer isn't
4630 displayed, no centering will be performed."
4631 ;; Suggested by earle@mahendo.JPL.NASA.GOV (Greg Earle).
4632 ;; Recenter only when requested. Suggested by popovich@park.cs.columbia.edu.
4633 (let* ((top (cond ((< (window-height) 4) 0)
4634 ((< (window-height) 7) 1)
4636 (height (1- (window-height)))
4637 (bottom (save-excursion (goto-char (point-max))
4638 (forward-line (- height))
4640 (window (get-buffer-window (current-buffer))))
4641 ;; The user has to want it.
4642 (when gnus-auto-center-summary
4643 (when (get-buffer-window gnus-article-buffer)
4644 ;; Only do recentering when the article buffer is displayed,
4645 ;; Set the window start to either `bottom', which is the biggest
4646 ;; possible valid number, or the second line from the top,
4647 ;; whichever is the least.
4649 window (min bottom (save-excursion
4650 (forward-line (- top)) (point)))))
4651 ;; Do horizontal recentering while we're at it.
4652 (when (and (get-buffer-window (current-buffer) t)
4653 (not (eq gnus-auto-center-summary 'vertical)))
4654 (let ((selected (selected-window)))
4655 (select-window (get-buffer-window (current-buffer) t))
4656 (gnus-summary-position-point)
4657 (gnus-horizontal-recenter)
4658 (select-window selected))))))
4660 (defun gnus-summary-jump-to-group (newsgroup)
4661 "Move point to NEWSGROUP in group mode buffer."
4662 ;; Keep update point of group mode buffer if visible.
4663 (if (eq (current-buffer) (get-buffer gnus-group-buffer))
4664 (save-window-excursion
4665 ;; Take care of tree window mode.
4666 (when (get-buffer-window gnus-group-buffer)
4667 (pop-to-buffer gnus-group-buffer))
4668 (gnus-group-jump-to-group newsgroup))
4670 ;; Take care of tree window mode.
4671 (if (get-buffer-window gnus-group-buffer)
4672 (pop-to-buffer gnus-group-buffer)
4673 (set-buffer gnus-group-buffer))
4674 (gnus-group-jump-to-group newsgroup))))
4676 ;; This function returns a list of article numbers based on the
4677 ;; difference between the ranges of read articles in this group and
4678 ;; the range of active articles.
4679 (defun gnus-list-of-unread-articles (group)
4680 (let* ((read (gnus-info-read (gnus-get-info group)))
4681 (active (or (gnus-active group) (gnus-activate-group group)))
4684 ;; If none are read, then all are unread.
4686 (setq first (car active))
4687 ;; If the range of read articles is a single range, then the
4688 ;; first unread article is the article after the last read
4689 ;; article. Sounds logical, doesn't it?
4690 (if (not (listp (cdr read)))
4691 (setq first (1+ (cdr read)))
4692 ;; `read' is a list of ranges.
4693 (when (/= (setq nlast (or (and (numberp (car read)) (car read))
4699 (while (< first nlast)
4701 (setq first (1+ first))))
4702 (setq first (1+ (if (atom (car read)) (car read) (cdar read))))
4703 (setq nlast (if (atom (cadr read)) (cadr read) (caadr read)))
4704 (setq read (cdr read)))))
4705 ;; And add the last unread articles.
4706 (while (<= first last)
4708 (setq first (1+ first)))
4709 ;; Return the list of unread articles.
4712 (defun gnus-list-of-read-articles (group)
4713 "Return a list of unread, unticked and non-dormant articles."
4714 (let* ((info (gnus-get-info group))
4715 (marked (gnus-info-marks info))
4716 (active (gnus-active group)))
4718 (gnus-set-difference
4719 (gnus-sorted-complement
4720 (gnus-uncompress-range active)
4721 (gnus-list-of-unread-articles group))
4723 (gnus-uncompress-range (cdr (assq 'dormant marked)))
4724 (gnus-uncompress-range (cdr (assq 'tick marked))))))))
4726 ;; Various summary commands
4728 (defun gnus-summary-universal-argument (arg)
4729 "Perform any operation on all articles that are process/prefixed."
4731 (gnus-set-global-variables)
4732 (let ((articles (gnus-summary-work-articles arg))
4739 (substitute-command-keys
4740 "\\<gnus-summary-mode-map>\\[gnus-summary-universal-argument]"
4743 (gnus-error 1 "Undefined key")
4746 (gnus-summary-goto-subject (setq article (pop articles)))
4747 (let (gnus-newsgroup-processable)
4748 (command-execute func))
4749 (gnus-summary-remove-process-mark article)))))
4750 (gnus-summary-position-point))
4752 (defun gnus-summary-toggle-truncation (&optional arg)
4753 "Toggle truncation of summary lines.
4754 With arg, turn line truncation on iff arg is positive."
4756 (setq truncate-lines
4757 (if (null arg) (not truncate-lines)
4758 (> (prefix-numeric-value arg) 0)))
4761 (defun gnus-summary-reselect-current-group (&optional all rescan)
4762 "Exit and then reselect the current newsgroup.
4763 The prefix argument ALL means to select all articles."
4765 (gnus-set-global-variables)
4766 (when (gnus-ephemeral-group-p gnus-newsgroup-name)
4767 (error "Ephemeral groups can't be reselected"))
4768 (let ((current-subject (gnus-summary-article-number))
4769 (group gnus-newsgroup-name))
4770 (setq gnus-newsgroup-begin nil)
4772 ;; We have to adjust the point of group mode buffer because
4773 ;; point was moved to the next unread newsgroup by exiting.
4774 (gnus-summary-jump-to-group group)
4777 (gnus-group-get-new-news-this-group 1)))
4778 (gnus-group-read-group all t)
4779 (gnus-summary-goto-subject current-subject nil t)))
4781 (defun gnus-summary-rescan-group (&optional all)
4782 "Exit the newsgroup, ask for new articles, and select the newsgroup."
4784 (gnus-summary-reselect-current-group all t))
4786 (defun gnus-summary-update-info (&optional non-destructive)
4788 (let ((group gnus-newsgroup-name))
4789 (when gnus-newsgroup-kill-headers
4790 (setq gnus-newsgroup-killed
4791 (gnus-compress-sequence
4793 (gnus-set-sorted-intersection
4794 (gnus-uncompress-range gnus-newsgroup-killed)
4795 (setq gnus-newsgroup-unselected
4796 (sort gnus-newsgroup-unselected '<)))
4797 (setq gnus-newsgroup-unreads
4798 (sort gnus-newsgroup-unreads '<)))
4800 (unless (listp (cdr gnus-newsgroup-killed))
4801 (setq gnus-newsgroup-killed (list gnus-newsgroup-killed)))
4802 (let ((headers gnus-newsgroup-headers))
4803 (when (and (not gnus-save-score)
4804 (not non-destructive))
4805 (setq gnus-newsgroup-scored nil))
4806 ;; Set the new ranges of read articles.
4807 (gnus-update-read-articles
4808 group (append gnus-newsgroup-unreads gnus-newsgroup-unselected))
4809 ;; Set the current article marks.
4811 ;; Do the cross-ref thing.
4812 (when gnus-use-cross-reference
4813 (gnus-mark-xrefs-as-read group headers gnus-newsgroup-unreads))
4814 ;; Do adaptive scoring, and possibly save score files.
4815 (when gnus-newsgroup-adaptive
4816 (gnus-score-adaptive))
4817 (when gnus-use-scoring
4819 ;; Do not switch windows but change the buffer to work.
4820 (set-buffer gnus-group-buffer)
4821 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
4822 (gnus-group-update-group group))))))
4824 (defun gnus-summary-save-newsrc (&optional force)
4825 "Save the current number of read/marked articles in the dribble buffer.
4826 The dribble buffer will then be saved.
4827 If FORCE (the prefix), also save the .newsrc file(s)."
4829 (gnus-summary-update-info t)
4831 (gnus-save-newsrc-file)
4832 (gnus-dribble-save)))
4834 (defun gnus-summary-exit (&optional temporary)
4835 "Exit reading current newsgroup, and then return to group selection mode.
4836 gnus-exit-group-hook is called with no arguments if that value is non-nil."
4838 (gnus-set-global-variables)
4839 (gnus-kill-save-kill-buffer)
4840 (let* ((group gnus-newsgroup-name)
4841 (quit-config (gnus-group-quit-config gnus-newsgroup-name))
4843 (buf (current-buffer)))
4844 (run-hooks 'gnus-summary-prepare-exit-hook)
4845 ;; If we have several article buffers, we kill them at exit.
4846 (unless gnus-single-article-buffer
4847 (gnus-kill-buffer gnus-original-article-buffer)
4848 (setq gnus-article-current nil))
4849 (when gnus-use-cache
4850 (gnus-cache-possibly-remove-articles)
4851 (gnus-cache-save-buffers))
4852 (gnus-async-prefetch-remove-group group)
4853 (when gnus-suppress-duplicates
4854 (gnus-dup-enter-articles))
4855 (when gnus-use-trees
4856 (gnus-tree-close group))
4857 ;; Make all changes in this group permanent.
4859 (run-hooks 'gnus-exit-group-hook)
4860 (gnus-summary-update-info))
4861 (gnus-close-group group)
4862 ;; Make sure where I was, and go to next newsgroup.
4863 (set-buffer gnus-group-buffer)
4865 (gnus-group-jump-to-group group))
4866 (run-hooks 'gnus-summary-exit-hook)
4868 (gnus-group-next-unread-group 1))
4871 ;; If we have several article buffers, we kill them at exit.
4872 (unless gnus-single-article-buffer
4873 (gnus-kill-buffer gnus-article-buffer)
4874 (gnus-kill-buffer gnus-original-article-buffer)
4875 (setq gnus-article-current nil))
4877 (if (not gnus-kill-summary-on-exit)
4878 (gnus-deaden-summary)
4879 ;; We set all buffer-local variables to nil. It is unclear why
4880 ;; this is needed, but if we don't, buffer-local variables are
4881 ;; not garbage-collected, it seems. This would the lead to en
4882 ;; ever-growing Emacs.
4883 (gnus-summary-clear-local-variables)
4884 (when (get-buffer gnus-article-buffer)
4885 (bury-buffer gnus-article-buffer))
4886 ;; We clear the global counterparts of the buffer-local
4887 ;; variables as well, just to be on the safe side.
4888 (set-buffer gnus-group-buffer)
4889 (gnus-summary-clear-local-variables)
4890 ;; Return to group mode buffer.
4891 (when (eq mode 'gnus-summary-mode)
4892 (gnus-kill-buffer buf)))
4893 (setq gnus-current-select-method gnus-select-method)
4894 (pop-to-buffer gnus-group-buffer)
4895 ;; Clear the current group name.
4896 (if (not quit-config)
4898 (gnus-group-jump-to-group group)
4899 (gnus-group-next-unread-group 1)
4900 (gnus-configure-windows 'group 'force))
4901 (gnus-handle-ephemeral-exit quit-config))
4903 (setq gnus-newsgroup-name nil)))))
4905 (defalias 'gnus-summary-quit 'gnus-summary-exit-no-update)
4906 (defun gnus-summary-exit-no-update (&optional no-questions)
4907 "Quit reading current newsgroup without updating read article info."
4909 (gnus-set-global-variables)
4910 (let* ((group gnus-newsgroup-name)
4911 (quit-config (gnus-group-quit-config group)))
4912 (when (or no-questions
4914 (gnus-y-or-n-p "Discard changes to this group and exit? "))
4915 ;; If we have several article buffers, we kill them at exit.
4916 (unless gnus-single-article-buffer
4917 (gnus-kill-buffer gnus-article-buffer)
4918 (gnus-kill-buffer gnus-original-article-buffer)
4919 (setq gnus-article-current nil))
4920 (if (not gnus-kill-summary-on-exit)
4921 (gnus-deaden-summary)
4922 (gnus-close-group group)
4923 (gnus-summary-clear-local-variables)
4924 (set-buffer gnus-group-buffer)
4925 (gnus-summary-clear-local-variables)
4926 (when (get-buffer gnus-summary-buffer)
4927 (kill-buffer gnus-summary-buffer)))
4928 (unless gnus-single-article-buffer
4929 (setq gnus-article-current nil))
4930 (when gnus-use-trees
4931 (gnus-tree-close group))
4932 (gnus-async-prefetch-remove-group group)
4933 (when (get-buffer gnus-article-buffer)
4934 (bury-buffer gnus-article-buffer))
4935 ;; Return to the group buffer.
4936 (gnus-configure-windows 'group 'force)
4937 ;; Clear the current group name.
4938 (setq gnus-newsgroup-name nil)
4939 (when (equal (gnus-group-group-name) group)
4940 (gnus-group-next-unread-group 1))
4942 (gnus-handle-ephemeral-exit quit-config)))))
4944 (defun gnus-handle-ephemeral-exit (quit-config)
4945 "Handle movement when leaving an ephemeral group. The state
4946 which existed when entering the ephemeral is reset."
4947 (if (not (buffer-name (car quit-config)))
4948 (gnus-configure-windows 'group 'force)
4949 (set-buffer (car quit-config))
4950 (cond ((eq major-mode 'gnus-summary-mode)
4951 (gnus-set-global-variables))
4952 ((eq major-mode 'gnus-article-mode)
4954 ;; The `gnus-summary-buffer' variable may point
4955 ;; to the old summary buffer when using a single
4957 (unless (gnus-buffer-live-p gnus-summary-buffer)
4958 (set-buffer gnus-group-buffer))
4959 (set-buffer gnus-summary-buffer)
4960 (gnus-set-global-variables))))
4961 (if (or (eq (cdr quit-config) 'article)
4962 (eq (cdr quit-config) 'pick))
4964 ;; The current article may be from the ephemeral group
4965 ;; thus it is best that we reload this article
4966 (gnus-summary-show-article)
4967 (if (and (boundp 'gnus-pick-mode) (symbol-value 'gnus-pick-mode))
4968 (gnus-configure-windows 'pick 'force)
4969 (gnus-configure-windows (cdr quit-config) 'force)))
4970 (gnus-configure-windows (cdr quit-config) 'force))
4971 (when (eq major-mode 'gnus-summary-mode)
4972 (gnus-summary-next-subject 1 nil t)
4973 (gnus-summary-recenter)
4974 (gnus-summary-position-point))))
4978 (defvar gnus-dead-summary-mode-map nil)
4980 (unless gnus-dead-summary-mode-map
4981 (setq gnus-dead-summary-mode-map (make-keymap))
4982 (suppress-keymap gnus-dead-summary-mode-map)
4983 (substitute-key-definition
4984 'undefined 'gnus-summary-wake-up-the-dead gnus-dead-summary-mode-map)
4985 (let ((keys '("\C-d" "\r" "\177")))
4987 (define-key gnus-dead-summary-mode-map
4988 (pop keys) 'gnus-summary-wake-up-the-dead))))
4990 (defvar gnus-dead-summary-mode nil
4991 "Minor mode for Gnus summary buffers.")
4993 (defun gnus-dead-summary-mode (&optional arg)
4994 "Minor mode for Gnus summary buffers."
4996 (when (eq major-mode 'gnus-summary-mode)
4997 (make-local-variable 'gnus-dead-summary-mode)
4998 (setq gnus-dead-summary-mode
4999 (if (null arg) (not gnus-dead-summary-mode)
5000 (> (prefix-numeric-value arg) 0)))
5001 (when gnus-dead-summary-mode
5002 (unless (assq 'gnus-dead-summary-mode minor-mode-alist)
5003 (push '(gnus-dead-summary-mode " Dead") minor-mode-alist))
5004 (unless (assq 'gnus-dead-summary-mode minor-mode-map-alist)
5005 (push (cons 'gnus-dead-summary-mode gnus-dead-summary-mode-map)
5006 minor-mode-map-alist)))))
5008 (defun gnus-deaden-summary ()
5009 "Make the current summary buffer into a dead summary buffer."
5010 ;; Kill any previous dead summary buffer.
5011 (when (and gnus-dead-summary
5012 (buffer-name gnus-dead-summary))
5014 (set-buffer gnus-dead-summary)
5015 (when gnus-dead-summary-mode
5016 (kill-buffer (current-buffer)))))
5017 ;; Make this the current dead summary.
5018 (setq gnus-dead-summary (current-buffer))
5019 (gnus-dead-summary-mode 1)
5020 (let ((name (buffer-name)))
5021 (when (string-match "Summary" name)
5023 (concat (substring name 0 (match-beginning 0)) "Dead "
5024 (substring name (match-beginning 0)))
5027 (defun gnus-kill-or-deaden-summary (buffer)
5028 "Kill or deaden the summary BUFFER."
5029 (when (and (buffer-name buffer)
5030 (not gnus-single-article-buffer))
5033 (gnus-kill-buffer gnus-article-buffer)
5034 (gnus-kill-buffer gnus-original-article-buffer)))
5035 (cond (gnus-kill-summary-on-exit
5036 (when (and gnus-use-trees
5037 (and (get-buffer buffer)
5038 (buffer-name (get-buffer buffer))))
5040 (set-buffer (get-buffer buffer))
5041 (gnus-tree-close gnus-newsgroup-name)))
5042 (gnus-kill-buffer buffer))
5043 ((and (get-buffer buffer)
5044 (buffer-name (get-buffer buffer)))
5047 (gnus-deaden-summary)))))
5049 (defun gnus-summary-wake-up-the-dead (&rest args)
5050 "Wake up the dead summary buffer."
5052 (gnus-dead-summary-mode -1)
5053 (let ((name (buffer-name)))
5054 (when (string-match "Dead " name)
5056 (concat (substring name 0 (match-beginning 0))
5057 (substring name (match-end 0)))
5059 (gnus-message 3 "This dead summary is now alive again"))
5061 ;; Suggested by Andrew Eskilsson <pi92ae@pt.hk-r.se>.
5062 (defun gnus-summary-fetch-faq (&optional faq-dir)
5063 "Fetch the FAQ for the current group.
5064 If FAQ-DIR (the prefix), prompt for a directory to search for the faq
5068 (when current-prefix-arg
5070 "Faq dir: " (and (listp gnus-group-faq-directory)
5071 gnus-group-faq-directory)))))
5072 (let (gnus-faq-buffer)
5073 (when (setq gnus-faq-buffer
5074 (gnus-group-fetch-faq gnus-newsgroup-name faq-dir))
5075 (gnus-configure-windows 'summary-faq))))
5077 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
5078 (defun gnus-summary-describe-group (&optional force)
5079 "Describe the current newsgroup."
5081 (gnus-group-describe-group force gnus-newsgroup-name))
5083 (defun gnus-summary-describe-briefly ()
5084 "Describe summary mode commands briefly."
5087 (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")))
5089 ;; Walking around group mode buffer from summary mode.
5091 (defun gnus-summary-next-group (&optional no-article target-group backward)
5092 "Exit current newsgroup and then select next unread newsgroup.
5093 If prefix argument NO-ARTICLE is non-nil, no article is selected
5094 initially. If NEXT-GROUP, go to this group. If BACKWARD, go to
5095 previous group instead."
5097 (gnus-set-global-variables)
5098 ;; Stop pre-fetching.
5099 (gnus-async-halt-prefetch)
5100 (let ((current-group gnus-newsgroup-name)
5101 (current-buffer (current-buffer))
5103 ;; First we semi-exit this group to update Xrefs and all variables.
5104 ;; We can't do a real exit, because the window conf must remain
5105 ;; the same in case the user is prompted for info, and we don't
5106 ;; want the window conf to change before that...
5107 (gnus-summary-exit t)
5108 (while (not entered)
5109 ;; Then we find what group we are supposed to enter.
5110 (set-buffer gnus-group-buffer)
5111 (gnus-group-jump-to-group current-group)
5114 (if (eq gnus-keep-same-level 'best)
5115 (gnus-summary-best-group gnus-newsgroup-name)
5116 (gnus-summary-search-group backward gnus-keep-same-level))))
5117 (if (not target-group)
5118 ;; There are no further groups, so we return to the group
5121 (gnus-message 5 "Returning to the group buffer")
5123 (set-buffer current-buffer)
5125 (run-hooks 'gnus-group-no-more-groups-hook))
5126 ;; We try to enter the target group.
5127 (gnus-group-jump-to-group target-group)
5128 (let ((unreads (gnus-group-group-unread)))
5129 (if (and (or (eq t unreads)
5130 (and unreads (not (zerop unreads))))
5131 (gnus-summary-read-group
5132 target-group nil no-article current-buffer))
5134 (setq current-group target-group
5135 target-group nil)))))))
5137 (defun gnus-summary-prev-group (&optional no-article)
5138 "Exit current newsgroup and then select previous unread newsgroup.
5139 If prefix argument NO-ARTICLE is non-nil, no article is selected initially."
5141 (gnus-summary-next-group no-article nil t))
5143 ;; Walking around summary lines.
5145 (defun gnus-summary-first-subject (&optional unread)
5146 "Go to the first unread subject.
5147 If UNREAD is non-nil, go to the first unread article.
5148 Returns the article selected or nil if there are no unread articles."
5153 ((null gnus-newsgroup-data)
5154 (gnus-message 3 "No articles in the group")
5156 ;; Pick the first article.
5158 (goto-char (gnus-data-pos (car gnus-newsgroup-data)))
5159 (gnus-data-number (car gnus-newsgroup-data)))
5160 ;; No unread articles.
5161 ((null gnus-newsgroup-unreads)
5162 (gnus-message 3 "No more unread articles")
5164 ;; Find the first unread article.
5166 (let ((data gnus-newsgroup-data))
5168 (not (gnus-data-unread-p (car data))))
5169 (setq data (cdr data)))
5171 (goto-char (gnus-data-pos (car data)))
5172 (gnus-data-number (car data))))))
5173 (gnus-summary-position-point)))
5175 (defun gnus-summary-next-subject (n &optional unread dont-display)
5176 "Go to next N'th summary line.
5177 If N is negative, go to the previous N'th subject line.
5178 If UNREAD is non-nil, only unread articles are selected.
5179 The difference between N and the actual number of steps taken is
5182 (let ((backward (< n 0))
5186 (gnus-summary-find-prev unread)
5187 (gnus-summary-find-next unread)))
5190 (gnus-message 7 "No more%s articles"
5191 (if unread " unread" "")))
5192 (unless dont-display
5193 (gnus-summary-recenter)
5194 (gnus-summary-position-point))
5197 (defun gnus-summary-next-unread-subject (n)
5198 "Go to next N'th unread summary line."
5200 (gnus-summary-next-subject n t))
5202 (defun gnus-summary-prev-subject (n &optional unread)
5203 "Go to previous N'th summary line.
5204 If optional argument UNREAD is non-nil, only unread article is selected."
5206 (gnus-summary-next-subject (- n) unread))
5208 (defun gnus-summary-prev-unread-subject (n)
5209 "Go to previous N'th unread summary line."
5211 (gnus-summary-next-subject (- n) t))
5213 (defun gnus-summary-goto-subject (article &optional force silent)
5214 "Go the subject line of ARTICLE.
5215 If FORCE, also allow jumping to articles not currently shown."
5216 (interactive "nArticle number: ")
5218 (data (gnus-data-find article)))
5219 ;; We read in the article if we have to.
5222 (gnus-summary-insert-subject article (and (vectorp force) force) t)
5223 (setq data (gnus-data-find article)))
5228 (gnus-message 3 "Can't find article %d" article))
5230 (goto-char (gnus-data-pos data))
5233 ;; Walking around summary lines with displaying articles.
5235 (defun gnus-summary-expand-window (&optional arg)
5236 "Make the summary buffer take up the entire Emacs frame.
5237 Given a prefix, will force an `article' buffer configuration."
5239 (gnus-set-global-variables)
5241 (gnus-configure-windows 'article 'force)
5242 (gnus-configure-windows 'summary 'force)))
5244 (defun gnus-summary-display-article (article &optional all-header)
5245 "Display ARTICLE in article buffer."
5246 (gnus-set-global-variables)
5250 (if gnus-summary-display-article-function
5251 (funcall gnus-summary-display-article-function article all-header)
5252 (gnus-article-prepare article all-header))
5253 (run-hooks 'gnus-select-article-hook)
5254 (when (and gnus-current-article
5255 (not (zerop gnus-current-article)))
5256 (gnus-summary-goto-subject gnus-current-article))
5257 (gnus-summary-recenter)
5258 (when (and gnus-use-trees gnus-show-threads)
5259 (gnus-possibly-generate-tree article)
5260 (gnus-highlight-selected-tree article))
5261 ;; Successfully display article.
5262 (gnus-article-set-window-start
5263 (cdr (assq article gnus-newsgroup-bookmarks))))))
5265 (defun gnus-summary-select-article (&optional all-headers force pseudo article)
5266 "Select the current article.
5267 If ALL-HEADERS is non-nil, show all header fields. If FORCE is
5268 non-nil, the article will be re-fetched even if it already present in
5269 the article buffer. If PSEUDO is non-nil, pseudo-articles will also
5271 ;; Make sure we are in the summary buffer to work around bbdb bug.
5272 (unless (eq major-mode 'gnus-summary-mode)
5273 (set-buffer gnus-summary-buffer))
5274 (let ((article (or article (gnus-summary-article-number)))
5275 (all-headers (not (not all-headers))) ;Must be T or NIL.
5276 gnus-summary-display-article-function
5279 (gnus-summary-article-pseudo-p article)
5280 (error "This is a pseudo-article."))
5283 (set-buffer gnus-summary-buffer)
5284 (if (or (and gnus-single-article-buffer
5285 (or (null gnus-current-article)
5286 (null gnus-article-current)
5287 (null (get-buffer gnus-article-buffer))
5288 (not (eq article (cdr gnus-article-current)))
5289 (not (equal (car gnus-article-current)
5290 gnus-newsgroup-name))))
5291 (and (not gnus-single-article-buffer)
5292 (or (null gnus-current-article)
5293 (not (eq gnus-current-article article))))
5295 ;; The requested article is different from the current article.
5297 (gnus-summary-display-article article all-headers)
5299 (when (or all-headers gnus-show-all-headers)
5300 (gnus-article-show-all-headers))
5303 (gnus-article-set-window-start
5304 (cdr (assq article gnus-newsgroup-bookmarks)))))))
5306 (defun gnus-summary-set-current-mark (&optional current-mark)
5307 "Obsolete function."
5310 (defun gnus-summary-next-article (&optional unread subject backward push)
5311 "Select the next article.
5312 If UNREAD, only unread articles are selected.
5313 If SUBJECT, only articles with SUBJECT are selected.
5314 If BACKWARD, the previous article is selected instead of the next."
5316 (gnus-set-global-variables)
5318 ;; Is there such an article?
5319 ((and (gnus-summary-search-forward unread subject backward)
5320 (or (gnus-summary-display-article (gnus-summary-article-number))
5321 (eq (gnus-summary-article-mark) gnus-canceled-mark)))
5322 (gnus-summary-position-point))
5323 ;; If not, we try the first unread, if that is wanted.
5325 gnus-auto-select-same
5326 (gnus-summary-first-unread-article))
5327 (gnus-summary-position-point)
5328 (gnus-message 6 "Wrapped"))
5329 ;; Try to get next/previous article not displayed in this group.
5330 ((and gnus-auto-extend-newsgroup
5331 (not unread) (not subject))
5332 (gnus-summary-goto-article
5333 (if backward (1- gnus-newsgroup-begin) (1+ gnus-newsgroup-end))
5335 ;; Go to next/previous group.
5337 (unless (gnus-ephemeral-group-p gnus-newsgroup-name)
5338 (gnus-summary-jump-to-group gnus-newsgroup-name))
5339 (let ((cmd last-command-char)
5342 (set-buffer gnus-group-buffer)
5345 (if (eq gnus-keep-same-level 'best)
5346 (gnus-summary-best-group gnus-newsgroup-name)
5347 (gnus-summary-search-group backward gnus-keep-same-level))))
5348 ;; For some reason, the group window gets selected. We change
5350 (select-window (get-buffer-window (current-buffer)))
5351 ;; Select next unread newsgroup automagically.
5353 ((or (not gnus-auto-select-next)
5355 (gnus-message 7 "No more%s articles" (if unread " unread" "")))
5356 ((or (eq gnus-auto-select-next 'quietly)
5357 (and (eq gnus-auto-select-next 'slightly-quietly)
5359 (and (eq gnus-auto-select-next 'almost-quietly)
5360 (gnus-summary-last-article-p)))
5362 (if (gnus-ephemeral-group-p gnus-newsgroup-name)
5364 (gnus-message 7 "No more%s articles (%s)..."
5365 (if unread " unread" "")
5366 (if group (concat "selecting " group)
5368 (gnus-summary-next-group nil group backward)))
5370 (when (gnus-key-press-event-p last-input-event)
5371 (gnus-summary-walk-group-buffer
5372 gnus-newsgroup-name cmd unread backward point))))))))
5374 (defun gnus-summary-walk-group-buffer (from-group cmd unread backward start)
5375 (let ((keystrokes '((?\C-n (gnus-group-next-unread-group 1))
5376 (?\C-p (gnus-group-prev-unread-group 1))))
5377 (cursor-in-echo-area t)
5378 keve key group ended)
5380 (set-buffer gnus-group-buffer)
5383 (if (eq gnus-keep-same-level 'best)
5384 (gnus-summary-best-group gnus-newsgroup-name)
5385 (gnus-summary-search-group backward gnus-keep-same-level))))
5388 5 "No more%s articles%s" (if unread " unread" "")
5390 (not (gnus-ephemeral-group-p gnus-newsgroup-name)))
5391 (format " (Type %s for %s [%s])"
5392 (single-key-description cmd) group
5393 (car (gnus-gethash group gnus-newsrc-hashtb)))
5394 (format " (Type %s to exit %s)"
5395 (single-key-description cmd)
5396 gnus-newsgroup-name)))
5397 ;; Confirm auto selection.
5398 (setq key (car (setq keve (gnus-read-event-char))))
5401 ((assq key keystrokes)
5402 (let ((obuf (current-buffer)))
5403 (switch-to-buffer gnus-group-buffer)
5405 (gnus-group-jump-to-group group))
5406 (eval (cadr (assq key keystrokes)))
5407 (setq group (gnus-group-group-name))
5408 (switch-to-buffer obuf))
5412 (gnus-ephemeral-group-p gnus-newsgroup-name))
5414 (gnus-summary-next-group nil group backward)))
5416 (push (cdr keve) unread-command-events))))))
5418 (defun gnus-summary-next-unread-article ()
5419 "Select unread article after current one."
5421 (gnus-summary-next-article
5422 (or (not (eq gnus-summary-goto-unread 'never))
5423 (gnus-summary-last-article-p (gnus-summary-article-number)))
5424 (and gnus-auto-select-same
5425 (gnus-summary-article-subject))))
5427 (defun gnus-summary-prev-article (&optional unread subject)
5428 "Select the article after the current one.
5429 If UNREAD is non-nil, only unread articles are selected."
5431 (gnus-summary-next-article unread subject t))
5433 (defun gnus-summary-prev-unread-article ()
5434 "Select unread article before current one."
5436 (gnus-summary-prev-article
5437 (or (not (eq gnus-summary-goto-unread 'never))
5438 (gnus-summary-first-article-p (gnus-summary-article-number)))
5439 (and gnus-auto-select-same
5440 (gnus-summary-article-subject))))
5442 (defun gnus-summary-next-page (&optional lines circular)
5443 "Show next page of the selected article.
5444 If at the end of the current article, select the next article.
5445 LINES says how many lines should be scrolled up.
5447 If CIRCULAR is non-nil, go to the start of the article instead of
5448 selecting the next article when reaching the end of the current
5451 (setq gnus-summary-buffer (current-buffer))
5452 (gnus-set-global-variables)
5453 (let ((article (gnus-summary-article-number))
5454 (article-window (get-buffer-window gnus-article-buffer t))
5456 (gnus-configure-windows 'article)
5457 (if (eq (cdr (assq article gnus-newsgroup-reads)) gnus-canceled-mark)
5458 (if (and (eq gnus-summary-goto-unread 'never)
5459 (not (gnus-summary-last-article-p article)))
5460 (gnus-summary-next-article)
5461 (gnus-summary-next-unread-article))
5462 (if (or (null gnus-current-article)
5463 (null gnus-article-current)
5464 (/= article (cdr gnus-article-current))
5465 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
5466 ;; Selected subject is different from current article's.
5467 (gnus-summary-display-article article)
5468 (when article-window
5469 (gnus-eval-in-buffer-window gnus-article-buffer
5470 (setq endp (gnus-article-next-page lines)))
5473 (gnus-summary-beginning-of-article))
5475 (gnus-message 3 "End of message"))
5477 (if (and (eq gnus-summary-goto-unread 'never)
5478 (not (gnus-summary-last-article-p article)))
5479 (gnus-summary-next-article)
5480 (gnus-summary-next-unread-article))))))))
5481 (gnus-summary-recenter)
5482 (gnus-summary-position-point)))
5484 (defun gnus-summary-prev-page (&optional lines move)
5485 "Show previous page of selected article.
5486 Argument LINES specifies lines to be scrolled down.
5487 If MOVE, move to the previous unread article if point is at
5488 the beginning of the buffer."
5490 (gnus-set-global-variables)
5491 (let ((article (gnus-summary-article-number))
5492 (article-window (get-buffer-window gnus-article-buffer t))
5494 (gnus-configure-windows 'article)
5495 (if (or (null gnus-current-article)
5496 (null gnus-article-current)
5497 (/= article (cdr gnus-article-current))
5498 (not (equal (car gnus-article-current) gnus-newsgroup-name)))
5499 ;; Selected subject is different from current article's.
5500 (gnus-summary-display-article article)
5501 (gnus-summary-recenter)
5502 (when article-window
5503 (gnus-eval-in-buffer-window gnus-article-buffer
5504 (setq endp (gnus-article-prev-page lines)))
5505 (when (and move endp)
5507 (gnus-message 3 "Beginning of message"))
5509 (if (and (eq gnus-summary-goto-unread 'never)
5510 (not (gnus-summary-first-article-p article)))
5511 (gnus-summary-prev-article)
5512 (gnus-summary-prev-unread-article))))))))
5513 (gnus-summary-position-point))
5515 (defun gnus-summary-prev-page-or-article (&optional lines)
5516 "Show previous page of selected article.
5517 Argument LINES specifies lines to be scrolled down.
5518 If at the beginning of the article, go to the next article."
5520 (gnus-summary-prev-page lines t))
5522 (defun gnus-summary-scroll-up (lines)
5523 "Scroll up (or down) one line current article.
5524 Argument LINES specifies lines to be scrolled up (or down if negative)."
5526 (gnus-set-global-variables)
5527 (gnus-configure-windows 'article)
5528 (gnus-summary-show-thread)
5529 (when (eq (gnus-summary-select-article nil nil 'pseudo) 'old)
5530 (gnus-eval-in-buffer-window gnus-article-buffer
5532 (when (gnus-article-next-page lines)
5533 (gnus-message 3 "End of message")))
5535 (gnus-article-prev-page (- lines))))))
5536 (gnus-summary-recenter)
5537 (gnus-summary-position-point))
5539 (defun gnus-summary-next-same-subject ()
5540 "Select next article which has the same subject as current one."
5542 (gnus-set-global-variables)
5543 (gnus-summary-next-article nil (gnus-summary-article-subject)))
5545 (defun gnus-summary-prev-same-subject ()
5546 "Select previous article which has the same subject as current one."
5548 (gnus-set-global-variables)
5549 (gnus-summary-prev-article nil (gnus-summary-article-subject)))
5551 (defun gnus-summary-next-unread-same-subject ()
5552 "Select next unread article which has the same subject as current one."
5554 (gnus-set-global-variables)
5555 (gnus-summary-next-article t (gnus-summary-article-subject)))
5557 (defun gnus-summary-prev-unread-same-subject ()
5558 "Select previous unread article which has the same subject as current one."
5560 (gnus-set-global-variables)
5561 (gnus-summary-prev-article t (gnus-summary-article-subject)))
5563 (defun gnus-summary-first-unread-article ()
5564 "Select the first unread article.
5565 Return nil if there are no unread articles."
5567 (gnus-set-global-variables)
5569 (when (gnus-summary-first-subject t)
5570 (gnus-summary-show-thread)
5571 (gnus-summary-first-subject t)
5572 (gnus-summary-display-article (gnus-summary-article-number)))
5573 (gnus-summary-position-point)))
5575 (defun gnus-summary-first-article ()
5576 "Select the first article.
5577 Return nil if there are no articles."
5579 (gnus-set-global-variables)
5581 (when (gnus-summary-first-subject)
5582 (gnus-summary-show-thread)
5583 (gnus-summary-first-subject)
5584 (gnus-summary-display-article (gnus-summary-article-number)))
5585 (gnus-summary-position-point)))
5587 (defun gnus-summary-best-unread-article ()
5588 "Select the unread article with the highest score."
5590 (gnus-set-global-variables)
5591 (let ((best -1000000)
5592 (data gnus-newsgroup-data)
5595 (and (gnus-data-unread-p (car data))
5597 (gnus-summary-article-score (gnus-data-number (car data))))
5600 article (gnus-data-number (car data))))
5601 (setq data (cdr data)))
5604 (gnus-summary-goto-article article)
5605 (error "No unread articles"))
5606 (gnus-summary-position-point))))
5608 (defun gnus-summary-last-subject ()
5609 "Go to the last displayed subject line in the group."
5610 (let ((article (gnus-data-number (car (gnus-data-list t)))))
5612 (gnus-summary-goto-subject article))))
5614 (defun gnus-summary-goto-article (article &optional all-headers force)
5615 "Fetch ARTICLE and display it if it exists.
5616 If ALL-HEADERS is non-nil, no header lines are hidden."
5622 (mapcar (lambda (number) (list (int-to-string number)))
5623 gnus-newsgroup-limit)))
5627 (if (gnus-summary-goto-subject article force)
5628 (gnus-summary-display-article article all-headers)
5629 (gnus-message 4 "Couldn't go to article %s" article) nil)
5630 (gnus-summary-position-point)))
5632 (defun gnus-summary-goto-last-article ()
5633 "Go to the previously read article."
5636 (when gnus-last-article
5637 (gnus-summary-goto-article gnus-last-article))
5638 (gnus-summary-position-point)))
5640 (defun gnus-summary-pop-article (number)
5641 "Pop one article off the history and go to the previous.
5642 NUMBER articles will be popped off."
5645 (setq gnus-newsgroup-history
5646 (cdr (setq to (nthcdr number gnus-newsgroup-history))))
5648 (gnus-summary-goto-article (car to))
5649 (error "Article history empty")))
5650 (gnus-summary-position-point))
5652 ;; Summary commands and functions for limiting the summary buffer.
5654 (defun gnus-summary-limit-to-articles (n)
5655 "Limit the summary buffer to the next N articles.
5656 If not given a prefix, use the process marked articles instead."
5658 (gnus-set-global-variables)
5660 (let ((articles (gnus-summary-work-articles n)))
5661 (setq gnus-newsgroup-processable nil)
5662 (gnus-summary-limit articles))
5663 (gnus-summary-position-point)))
5665 (defun gnus-summary-pop-limit (&optional total)
5666 "Restore the previous limit.
5667 If given a prefix, remove all limits."
5669 (gnus-set-global-variables)
5671 (setq gnus-newsgroup-limits
5672 (list (mapcar (lambda (h) (mail-header-number h))
5673 gnus-newsgroup-headers))))
5674 (unless gnus-newsgroup-limits
5675 (error "No limit to pop"))
5677 (gnus-summary-limit nil 'pop)
5678 (gnus-summary-position-point)))
5680 (defun gnus-summary-limit-to-subject (subject &optional header)
5681 "Limit the summary buffer to articles that have subjects that match a regexp."
5682 (interactive "sLimit to subject (regexp): ")
5684 (setq header "subject"))
5685 (when (not (equal "" subject))
5687 (let ((articles (gnus-summary-find-matching
5688 (or header "subject") subject 'all)))
5690 (error "Found no matches for \"%s\"" subject))
5691 (gnus-summary-limit articles))
5692 (gnus-summary-position-point))))
5694 (defun gnus-summary-limit-to-author (from)
5695 "Limit the summary buffer to articles that have authors that match a regexp."
5696 (interactive "sLimit to author (regexp): ")
5697 (gnus-summary-limit-to-subject from "from"))
5699 (defun gnus-summary-limit-to-age (age &optional younger-p)
5700 "Limit the summary buffer to articles that are older than (or equal) AGE days.
5701 If YOUNGER-P (the prefix) is non-nil, limit the summary buffer to
5702 articles that are younger than AGE days."
5703 (interactive "nTime in days: \nP")
5705 (let ((data gnus-newsgroup-data)
5706 (cutoff (nnmail-days-to-time age))
5707 articles d date is-younger)
5708 (while (setq d (pop data))
5709 (when (and (vectorp (gnus-data-header d))
5710 (setq date (mail-header-date (gnus-data-header d))))
5711 (setq is-younger (nnmail-time-less
5712 (nnmail-time-since (nnmail-date-to-time date))
5714 (when (if younger-p is-younger (not is-younger))
5715 (push (gnus-data-number d) articles))))
5716 (gnus-summary-limit (nreverse articles)))
5717 (gnus-summary-position-point)))
5719 (defalias 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
5721 'gnus-summary-delete-marked-as-read 'gnus-summary-limit-to-unread)
5723 (defun gnus-summary-limit-to-unread (&optional all)
5724 "Limit the summary buffer to articles that are not marked as read.
5725 If ALL is non-nil, limit strictly to unread articles."
5728 (gnus-summary-limit-to-marks (char-to-string gnus-unread-mark))
5729 (gnus-summary-limit-to-marks
5730 ;; Concat all the marks that say that an article is read and have
5732 (list gnus-del-mark gnus-read-mark gnus-ancient-mark
5733 gnus-killed-mark gnus-kill-file-mark
5734 gnus-low-score-mark gnus-expirable-mark
5735 gnus-canceled-mark gnus-catchup-mark gnus-sparse-mark
5736 gnus-duplicate-mark gnus-souped-mark)
5739 (defalias 'gnus-summary-delete-marked-with 'gnus-summary-limit-exclude-marks)
5740 (make-obsolete 'gnus-summary-delete-marked-with
5741 'gnus-summary-limit-exlude-marks)
5743 (defun gnus-summary-limit-exclude-marks (marks &optional reverse)
5744 "Exclude articles that are marked with MARKS (e.g. \"DK\").
5745 If REVERSE, limit the summary buffer to articles that are marked
5746 with MARKS. MARKS can either be a string of marks or a list of marks.
5747 Returns how many articles were removed."
5748 (interactive "sMarks: ")
5749 (gnus-summary-limit-to-marks marks t))
5751 (defun gnus-summary-limit-to-marks (marks &optional reverse)
5752 "Limit the summary buffer to articles that are marked with MARKS (e.g. \"DK\").
5753 If REVERSE (the prefix), limit the summary buffer to articles that are
5754 not marked with MARKS. MARKS can either be a string of marks or a
5756 Returns how many articles were removed."
5757 (interactive (list (read-string "Marks: ") current-prefix-arg))
5758 (gnus-set-global-variables)
5760 (let ((data gnus-newsgroup-data)
5761 (marks (if (listp marks) marks
5762 (append marks nil))) ; Transform to list.
5765 (when (if reverse (not (memq (gnus-data-mark (car data)) marks))
5766 (memq (gnus-data-mark (car data)) marks))
5767 (push (gnus-data-number (car data)) articles))
5768 (setq data (cdr data)))
5769 (gnus-summary-limit articles))
5770 (gnus-summary-position-point)))
5772 (defun gnus-summary-limit-to-score (&optional score)
5773 "Limit to articles with score at or above SCORE."
5775 (gnus-set-global-variables)
5776 (setq score (if score
5777 (prefix-numeric-value score)
5778 (or gnus-summary-default-score 0)))
5779 (let ((data gnus-newsgroup-data)
5782 (when (>= (gnus-summary-article-score (gnus-data-number (car data)))
5784 (push (gnus-data-number (car data)) articles))
5785 (setq data (cdr data)))
5787 (gnus-summary-limit articles)
5788 (gnus-summary-position-point))))
5790 (defun gnus-summary-limit-include-dormant ()
5791 "Display all the hidden articles that are marked as dormant."
5793 (gnus-set-global-variables)
5794 (unless gnus-newsgroup-dormant
5795 (error "There are no dormant articles in this group"))
5797 (gnus-summary-limit (append gnus-newsgroup-dormant gnus-newsgroup-limit))
5798 (gnus-summary-position-point)))
5800 (defun gnus-summary-limit-exclude-dormant ()
5801 "Hide all dormant articles."
5803 (gnus-set-global-variables)
5805 (gnus-summary-limit-to-marks (list gnus-dormant-mark) 'reverse)
5806 (gnus-summary-position-point)))
5808 (defun gnus-summary-limit-exclude-childless-dormant ()
5809 "Hide all dormant articles that have no children."
5811 (gnus-set-global-variables)
5812 (let ((data (gnus-data-list t))
5813 articles d children)
5814 ;; Find all articles that are either not dormant or have
5816 (while (setq d (pop data))
5817 (when (or (not (= (gnus-data-mark d) gnus-dormant-mark))
5819 (gnus-article-children (gnus-data-number d)))
5822 (when (memq (car children) articles)
5827 (push (gnus-data-number d) articles)))
5830 (gnus-summary-limit articles)
5831 (gnus-summary-position-point))))
5833 (defun gnus-summary-limit-mark-excluded-as-read (&optional all)
5834 "Mark all unread excluded articles as read.
5835 If ALL, mark even excluded ticked and dormants as read."
5837 (let ((articles (gnus-sorted-complement
5839 (mapcar (lambda (h) (mail-header-number h))
5840 gnus-newsgroup-headers)
5842 (sort gnus-newsgroup-limit '<)))
5844 (setq gnus-newsgroup-unreads nil)
5846 (setq gnus-newsgroup-dormant nil
5847 gnus-newsgroup-marked nil
5848 gnus-newsgroup-reads
5850 (mapcar (lambda (n) (cons n gnus-catchup-mark)) articles)
5851 gnus-newsgroup-reads))
5852 (while (setq article (pop articles))
5853 (unless (or (memq article gnus-newsgroup-dormant)
5854 (memq article gnus-newsgroup-marked))
5855 (push (cons article gnus-catchup-mark) gnus-newsgroup-reads))))))
5857 (defun gnus-summary-limit (articles &optional pop)
5859 ;; We pop the previous limit off the stack and use that.
5860 (setq articles (car gnus-newsgroup-limits)
5861 gnus-newsgroup-limits (cdr gnus-newsgroup-limits))
5862 ;; We use the new limit, so we push the old limit on the stack.
5863 (push gnus-newsgroup-limit gnus-newsgroup-limits))
5865 (setq gnus-newsgroup-limit articles)
5866 (let ((total (length gnus-newsgroup-data))
5867 (data (gnus-data-find-list (gnus-summary-article-number)))
5868 (gnus-summary-mark-below nil) ; Inhibit this.
5870 ;; This will do all the work of generating the new summary buffer
5871 ;; according to the new limit.
5872 (gnus-summary-prepare)
5873 ;; Hide any threads, possibly.
5874 (and gnus-show-threads
5875 gnus-thread-hide-subtree
5876 (gnus-summary-hide-all-threads))
5877 ;; Try to return to the article you were at, or one in the
5880 ;; We try to find some article after the current one.
5882 (when (gnus-summary-goto-subject (gnus-data-number (car data)) nil t)
5885 (setq data (cdr data))))
5887 ;; If there is no data, that means that we were after the last
5888 ;; article. The same goes when we can't find any articles
5889 ;; after the current one.
5890 (goto-char (point-max))
5891 (gnus-summary-find-prev))
5892 ;; We return how many articles were removed from the summary
5893 ;; buffer as a result of the new limit.
5894 (- total (length gnus-newsgroup-data))))
5896 (defsubst gnus-invisible-cut-children (threads)
5899 (when (memq (mail-header-number (caar threads)) gnus-newsgroup-limit)
5904 (defsubst gnus-cut-thread (thread)
5905 "Go forwards in the thread until we find an article that we want to display."
5906 (when (or (eq gnus-fetch-old-headers 'some)
5907 (eq gnus-build-sparse-threads 'some)
5908 (eq gnus-build-sparse-threads 'more))
5909 ;; Deal with old-fetched headers and sparse threads.
5913 (gnus-summary-article-sparse-p (mail-header-number (car thread)))
5914 (gnus-summary-article-ancient-p
5915 (mail-header-number (car thread))))
5917 (if (<= (length (cdr thread)) 1)
5918 (setq thread (cadr thread))
5919 (when (gnus-invisible-cut-children (cdr thread))
5920 (let ((th (cdr thread)))
5922 (if (memq (mail-header-number (caar th))
5923 gnus-newsgroup-limit)
5924 (setq thread (car th)
5926 (setq th (cdr th)))))))))
5930 (defun gnus-cut-threads (threads)
5931 "Cut off all uninteresting articles from the beginning of threads."
5932 (when (or (eq gnus-fetch-old-headers 'some)
5933 (eq gnus-build-sparse-threads 'some)
5934 (eq gnus-build-sparse-threads 'more))
5937 (setcar th (gnus-cut-thread (car th)))
5938 (setq th (cdr th)))))
5939 ;; Remove nixed out threads.
5942 (defun gnus-summary-initial-limit (&optional show-if-empty)
5943 "Figure out what the initial limit is supposed to be on group entry.
5944 This entails weeding out unwanted dormants, low-scored articles,
5945 fetch-old-headers verbiage, and so on."
5946 ;; Most groups have nothing to remove.
5947 (if (or gnus-inhibit-limiting
5948 (and (null gnus-newsgroup-dormant)
5949 (not (eq gnus-fetch-old-headers 'some))
5950 (null gnus-summary-expunge-below)
5951 (not (eq gnus-build-sparse-threads 'some))
5952 (not (eq gnus-build-sparse-threads 'more))
5953 (null gnus-thread-expunge-below)
5954 (not gnus-use-nocem)))
5956 (push gnus-newsgroup-limit gnus-newsgroup-limits)
5957 (setq gnus-newsgroup-limit nil)
5960 (unless (car (symbol-value node))
5961 ;; These threads have no parents -- they are roots.
5962 (let ((nodes (cdr (symbol-value node)))
5965 (if (and gnus-thread-expunge-below
5966 (< (gnus-thread-total-score (car nodes))
5967 gnus-thread-expunge-below))
5968 (gnus-expunge-thread (pop nodes))
5969 (setq thread (pop nodes))
5970 (gnus-summary-limit-children thread))))))
5971 gnus-newsgroup-dependencies)
5972 ;; If this limitation resulted in an empty group, we might
5973 ;; pop the previous limit and use it instead.
5974 (when (and (not gnus-newsgroup-limit)
5976 (setq gnus-newsgroup-limit (pop gnus-newsgroup-limits)))
5977 gnus-newsgroup-limit))
5979 (defun gnus-summary-limit-children (thread)
5980 "Return 1 if this subthread is visible and 0 if it is not."
5981 ;; First we get the number of visible children to this thread. This
5982 ;; is done by recursing down the thread using this function, so this
5983 ;; will really go down to a leaf article first, before slowly
5984 ;; working its way up towards the root.
5988 (apply '+ (mapcar 'gnus-summary-limit-children
5991 (number (mail-header-number (car thread)))
5994 (not (memq number gnus-newsgroup-marked))
5996 ;; If this article is dormant and has absolutely no visible
5997 ;; children, then this article isn't visible.
5998 (and (memq number gnus-newsgroup-dormant)
6000 ;; If this is "fetch-old-headered" and there is no
6001 ;; visible children, then we don't want this article.
6002 (and (eq gnus-fetch-old-headers 'some)
6003 (gnus-summary-article-ancient-p number)
6005 ;; If this is a sparsely inserted article with no children,
6006 ;; we don't want it.
6007 (and (eq gnus-build-sparse-threads 'some)
6008 (gnus-summary-article-sparse-p number)
6010 ;; If we use expunging, and this article is really
6011 ;; low-scored, then we don't want this article.
6012 (when (and gnus-summary-expunge-below
6014 (or (cdr (assq number gnus-newsgroup-scored))
6015 gnus-summary-default-score))
6016 gnus-summary-expunge-below))
6017 ;; We increase the expunge-tally here, but that has
6018 ;; nothing to do with the limits, really.
6019 (incf gnus-newsgroup-expunged-tally)
6020 ;; We also mark as read here, if that's wanted.
6021 (when (and gnus-summary-mark-below
6022 (< score gnus-summary-mark-below))
6023 (setq gnus-newsgroup-unreads
6024 (delq number gnus-newsgroup-unreads))
6025 (if gnus-newsgroup-auto-expire
6026 (push number gnus-newsgroup-expirable)
6027 (push (cons number gnus-low-score-mark)
6028 gnus-newsgroup-reads)))
6030 ;; Check NoCeM things.
6031 (if (and gnus-use-nocem
6032 (gnus-nocem-unwanted-article-p
6033 (mail-header-id (car thread))))
6035 (setq gnus-newsgroup-reads
6036 (delq number gnus-newsgroup-unreads))
6038 ;; Nope, invisible article.
6040 ;; Ok, this article is to be visible, so we add it to the limit
6042 (push number gnus-newsgroup-limit)
6045 (defun gnus-expunge-thread (thread)
6046 "Mark all articles in THREAD as read."
6047 (let* ((number (mail-header-number (car thread))))
6048 (incf gnus-newsgroup-expunged-tally)
6049 ;; We also mark as read here, if that's wanted.
6050 (setq gnus-newsgroup-unreads
6051 (delq number gnus-newsgroup-unreads))
6052 (if gnus-newsgroup-auto-expire
6053 (push number gnus-newsgroup-expirable)
6054 (push (cons number gnus-low-score-mark)
6055 gnus-newsgroup-reads)))
6056 ;; Go recursively through all subthreads.
6057 (mapcar 'gnus-expunge-thread (cdr thread)))
6059 ;; Summary article oriented commands
6061 (defun gnus-summary-refer-parent-article (n)
6062 "Refer parent article N times.
6063 If N is negative, go to ancestor -N instead.
6064 The difference between N and the number of articles fetched is returned."
6066 (gnus-set-global-variables)
6069 (when (not (natnump n))
6074 (setq header (gnus-summary-article-header))
6075 (if (and (eq (mail-header-number header)
6076 (cdr gnus-article-current))
6077 (equal gnus-newsgroup-name
6078 (car gnus-article-current)))
6079 ;; If we try to find the parent of the currently
6080 ;; displayed article, then we take a look at the actual
6081 ;; References header, since this is slightly more
6082 ;; reliable than the References field we got from the
6085 (set-buffer gnus-original-article-buffer)
6086 (nnheader-narrow-to-headers)
6087 (unless (setq ref (message-fetch-field "references"))
6088 (setq ref (message-fetch-field "in-reply-to")))
6091 ;; It's not the current article, so we take a bet on
6092 ;; the value we got from the server.
6093 (mail-header-references header)))
6095 (not (equal ref "")))
6096 (unless (gnus-summary-refer-article (gnus-parent-id ref skip))
6097 (gnus-message 1 "Couldn't find parent"))
6098 (gnus-message 1 "No references in article %d"
6099 (gnus-summary-article-number))
6102 (gnus-summary-position-point)
6105 (defun gnus-summary-refer-references ()
6106 "Fetch all articles mentioned in the References header.
6107 Return how many articles were fetched."
6109 (gnus-set-global-variables)
6110 (let ((ref (mail-header-references (gnus-summary-article-header)))
6111 (current (gnus-summary-article-number))
6115 (error "No References in the current article")
6116 ;; For each Message-ID in the References header...
6117 (while (string-match "<[^>]*>" ref)
6119 ;; ... fetch that article.
6120 (gnus-summary-refer-article
6121 (prog1 (match-string 0 ref)
6122 (setq ref (substring ref (match-end 0))))))
6123 (gnus-summary-goto-subject current)
6124 (gnus-summary-position-point)
6127 (defun gnus-summary-refer-article (message-id)
6128 "Fetch an article specified by MESSAGE-ID."
6129 (interactive "sMessage-ID: ")
6130 (when (and (stringp message-id)
6131 (not (zerop (length message-id))))
6132 ;; Construct the correct Message-ID if necessary.
6133 ;; Suggested by tale@pawl.rpi.edu.
6134 (unless (string-match "^<" message-id)
6135 (setq message-id (concat "<" message-id)))
6136 (unless (string-match ">$" message-id)
6137 (setq message-id (concat message-id ">")))
6138 (let* ((header (gnus-id-to-header message-id))
6140 (gnus-summary-article-sparse-p
6141 (mail-header-number header)))))
6144 ;; The article is present in the buffer, to we just go to it.
6145 (gnus-summary-goto-article
6146 (mail-header-number header) nil header)
6148 (gnus-summary-update-article (mail-header-number header))))
6149 ;; We fetch the article
6150 (let ((gnus-override-method
6151 (and (gnus-news-group-p gnus-newsgroup-name)
6152 gnus-refer-article-method))
6154 ;; Start the special refer-article method, if necessary.
6155 (when (and gnus-refer-article-method
6156 (gnus-news-group-p gnus-newsgroup-name))
6157 (gnus-check-server gnus-refer-article-method))
6158 ;; Fetch the header, and display the article.
6159 (if (setq number (gnus-summary-insert-subject message-id))
6160 (gnus-summary-select-article nil nil nil number)
6161 (gnus-message 3 "Couldn't fetch article %s" message-id)))))))
6163 (defun gnus-summary-enter-digest-group (&optional force)
6164 "Enter an nndoc group based on the current article.
6165 If FORCE, force a digest interpretation. If not, try
6166 to guess what the document format is."
6168 (gnus-set-global-variables)
6169 (let ((conf gnus-current-window-configuration))
6171 (gnus-summary-select-article))
6172 (setq gnus-current-window-configuration conf)
6173 (let* ((name (format "%s-%d"
6174 (gnus-group-prefixed-name
6175 gnus-newsgroup-name (list 'nndoc ""))
6177 (set-buffer gnus-summary-buffer)
6178 gnus-current-article)))
6179 (ogroup gnus-newsgroup-name)
6180 (params (append (gnus-info-params (gnus-get-info ogroup))
6181 (list (cons 'to-group ogroup))))
6182 (case-fold-search t)
6183 (buf (current-buffer))
6186 (setq dig (nnheader-set-temp-buffer " *gnus digest buffer*"))
6187 (insert-buffer-substring gnus-original-article-buffer)
6188 ;; Remove lines that may lead nndoc to misinterpret the
6191 (goto-char (point-min))
6192 (or (search-forward "\n\n" nil t) (point)))
6193 (goto-char (point-min))
6194 (delete-matching-lines "^\\(Path\\):\\|^From ")
6197 (if (gnus-group-read-ephemeral-group
6198 name `(nndoc ,name (nndoc-address ,(get-buffer dig))
6200 ,(if force 'digest 'guess))) t)
6201 ;; Make all postings to this group go to the parent group.
6202 (nconc (gnus-info-params (gnus-get-info name))
6204 ;; Couldn't select this doc group.
6205 (switch-to-buffer buf)
6206 (gnus-set-global-variables)
6207 (gnus-configure-windows 'summary)
6208 (gnus-message 3 "Article couldn't be entered?"))
6209 (kill-buffer dig)))))
6211 (defun gnus-summary-read-document (n)
6212 "Open a new group based on the current article(s).
6213 This will allow you to read digests and other similar
6214 documents as newsgroups.
6215 Obeys the standard process/prefix convention."
6217 (let* ((articles (gnus-summary-work-articles n))
6218 (ogroup gnus-newsgroup-name)
6219 (params (append (gnus-info-params (gnus-get-info ogroup))
6220 (list (cons 'to-group ogroup))))
6221 article group egroup groups vgroup)
6222 (while (setq article (pop articles))
6223 (setq group (format "%s-%d" gnus-newsgroup-name article))
6224 (gnus-summary-remove-process-mark article)
6225 (when (gnus-summary-display-article article)
6227 (nnheader-temp-write nil
6228 (insert-buffer-substring gnus-original-article-buffer)
6229 ;; Remove some headers that may lead nndoc to make
6231 (message-narrow-to-head)
6232 (goto-char (point-min))
6233 (delete-matching-lines "^\\(Path\\):\\|^From ")
6236 (gnus-group-read-ephemeral-group
6237 group `(nndoc ,group (nndoc-address ,(current-buffer))
6238 (nndoc-article-type guess))
6241 ;; Make all postings to this group go to the parent group.
6242 (nconc (gnus-info-params (gnus-get-info egroup))
6244 (push egroup groups))
6245 ;; Couldn't select this doc group.
6246 (gnus-error 3 "Article couldn't be entered"))))))
6247 ;; Now we have selected all the documents.
6250 (error "None of the articles could be interpreted as documents"))
6251 ((gnus-group-read-ephemeral-group
6252 (setq vgroup (format
6253 "nnvirtual:%s-%s" gnus-newsgroup-name
6254 (format-time-string "%Y%m%dT%H%M%S" (current-time))))
6255 `(nnvirtual ,vgroup (nnvirtual-component-groups ,groups))
6257 (cons (current-buffer) 'summary)))
6259 (error "Couldn't select virtual nndoc group")))))
6261 (defun gnus-summary-isearch-article (&optional regexp-p)
6262 "Do incremental search forward on the current article.
6263 If REGEXP-P (the prefix) is non-nil, do regexp isearch."
6265 (gnus-set-global-variables)
6266 (gnus-summary-select-article)
6267 (gnus-configure-windows 'article)
6268 (gnus-eval-in-buffer-window gnus-article-buffer
6269 ;;(goto-char (point-min))
6270 (isearch-forward regexp-p)))
6272 (defun gnus-summary-search-article-forward (regexp &optional backward)
6273 "Search for an article containing REGEXP forward.
6274 If BACKWARD, search backward instead."
6277 (format "Search article %s (regexp%s): "
6278 (if current-prefix-arg "backward" "forward")
6279 (if gnus-last-search-regexp
6280 (concat ", default " gnus-last-search-regexp)
6282 current-prefix-arg))
6283 (gnus-set-global-variables)
6284 (if (string-equal regexp "")
6285 (setq regexp (or gnus-last-search-regexp ""))
6286 (setq gnus-last-search-regexp regexp))
6287 (if (gnus-summary-search-article regexp backward)
6288 (gnus-summary-show-thread)
6289 (error "Search failed: \"%s\"" regexp)))
6291 (defun gnus-summary-search-article-backward (regexp)
6292 "Search for an article containing REGEXP backward."
6295 (format "Search article backward (regexp%s): "
6296 (if gnus-last-search-regexp
6297 (concat ", default " gnus-last-search-regexp)
6299 (gnus-summary-search-article-forward regexp 'backward))
6301 (defun gnus-summary-search-article (regexp &optional backward)
6302 "Search for an article containing REGEXP.
6303 Optional argument BACKWARD means do search for backward.
6304 `gnus-select-article-hook' is not called during the search."
6305 (let ((gnus-select-article-hook nil) ;Disable hook.
6306 (gnus-article-display-hook nil)
6307 (gnus-mark-article-hook nil) ;Inhibit marking as read.
6308 (gnus-use-article-prefetch nil)
6309 (gnus-xmas-force-redisplay nil) ;Inhibit XEmacs redisplay.
6310 (sum (current-buffer))
6313 (gnus-save-hidden-threads
6314 (gnus-summary-select-article)
6315 (set-buffer gnus-article-buffer)
6319 (gnus-message 7 "Searching article: %d..." (cdr gnus-article-current))
6321 (re-search-backward regexp nil t)
6322 (re-search-forward regexp nil t))
6323 ;; We found the regexp.
6328 (get-buffer-window (current-buffer))
6332 (setq point (point)))
6333 ;; We didn't find it, so we go to the next article.
6336 (while (eq found 'not)
6337 (if (not (if backward (gnus-summary-find-prev)
6338 (gnus-summary-find-next)))
6339 ;; No more articles.
6341 ;; Select the next article and adjust point.
6342 (unless (gnus-summary-article-sparse-p
6343 (gnus-summary-article-number))
6345 (gnus-summary-select-article)
6346 (set-buffer gnus-article-buffer)
6348 (goto-char (if backward (point-max) (point-min))))))))
6349 (gnus-message 7 ""))
6350 ;; Return whether we found the regexp.
6351 (when (eq found 'found)
6353 (gnus-summary-show-thread)
6354 (gnus-summary-goto-subject gnus-current-article)
6355 (gnus-summary-position-point)
6358 (defun gnus-summary-find-matching (header regexp &optional backward unread
6360 "Return a list of all articles that match REGEXP on HEADER.
6361 The search stars on the current article and goes forwards unless
6362 BACKWARD is non-nil. If BACKWARD is `all', do all articles.
6363 If UNREAD is non-nil, only unread articles will
6364 be taken into consideration. If NOT-CASE-FOLD, case won't be folded
6365 in the comparisons."
6366 (let ((data (if (eq backward 'all) gnus-newsgroup-data
6367 (gnus-data-find-list
6368 (gnus-summary-article-number) (gnus-data-list backward))))
6369 (func `(lambda (h) (,(intern (concat "mail-header-" header)) h)))
6370 (case-fold-search (not not-case-fold))
6372 (unless (fboundp (intern (concat "mail-header-" header)))
6373 (error "%s is not a valid header" header))
6376 (and (or (not unread) ; We want all articles...
6377 (gnus-data-unread-p d)) ; Or just unreads.
6378 (vectorp (gnus-data-header d)) ; It's not a pseudo.
6379 (string-match regexp (funcall func (gnus-data-header d))) ; Match.
6380 (push (gnus-data-number d) articles)) ; Success!
6381 (setq data (cdr data)))
6382 (nreverse articles)))
6384 (defun gnus-summary-execute-command (header regexp command &optional backward)
6385 "Search forward for an article whose HEADER matches REGEXP and execute COMMAND.
6386 If HEADER is an empty string (or nil), the match is done on the entire
6387 article. If BACKWARD (the prefix) is non-nil, search backward instead."
6389 (list (let ((completion-ignore-case t))
6392 (mapcar (lambda (string) (list string))
6393 '("Number" "Subject" "From" "Lines" "Date"
6394 "Message-ID" "Xref" "References" "Body"))
6395 nil 'require-match))
6396 (read-string "Regexp: ")
6397 (read-key-sequence "Command: ")
6398 current-prefix-arg))
6399 (when (equal header "Body")
6401 (gnus-set-global-variables)
6402 ;; Hidden thread subtrees must be searched as well.
6403 (gnus-summary-show-all-threads)
6404 ;; We don't want to change current point nor window configuration.
6406 (save-window-excursion
6407 (gnus-message 6 "Executing %s..." (key-description command))
6408 ;; We'd like to execute COMMAND interactively so as to give arguments.
6409 (gnus-execute header regexp
6410 `(call-interactively ',(key-binding command))
6412 (gnus-message 6 "Executing %s...done" (key-description command)))))
6414 (defun gnus-summary-beginning-of-article ()
6415 "Scroll the article back to the beginning."
6417 (gnus-set-global-variables)
6418 (gnus-summary-select-article)
6419 (gnus-configure-windows 'article)
6420 (gnus-eval-in-buffer-window gnus-article-buffer
6422 (goto-char (point-min))
6423 (when gnus-break-pages
6424 (gnus-narrow-to-page))))
6426 (defun gnus-summary-end-of-article ()
6427 "Scroll to the end of the article."
6429 (gnus-set-global-variables)
6430 (gnus-summary-select-article)
6431 (gnus-configure-windows 'article)
6432 (gnus-eval-in-buffer-window gnus-article-buffer
6434 (goto-char (point-max))
6436 (when gnus-break-pages
6437 (gnus-narrow-to-page))))
6439 (defun gnus-summary-print-article (&optional filename)
6440 "Generate and print a PostScript image of the article buffer.
6442 If the optional argument FILENAME is nil, send the image to the printer.
6443 If FILENAME is a string, save the PostScript image in a file with that
6444 name. If FILENAME is a number, prompt the user for the name of the file
6446 (interactive (list (ps-print-preprint current-prefix-arg)))
6447 (gnus-summary-select-article)
6448 (gnus-eval-in-buffer-window gnus-article-buffer
6449 (let ((buffer (generate-new-buffer " *print*")))
6452 (copy-to-buffer buffer (point-min) (point-max))
6454 (gnus-article-delete-invisible-text)
6455 (run-hooks 'gnus-ps-print-hook)
6456 (ps-print-buffer-with-faces filename))
6457 (kill-buffer buffer)))))
6459 (defun gnus-summary-show-article (&optional arg)
6460 "Force re-fetching of the current article.
6461 If ARG (the prefix) is non-nil, show the raw article without any
6462 article massaging functions being run."
6464 (gnus-set-global-variables)
6466 ;; Select the article the normal way.
6467 (gnus-summary-select-article nil 'force)
6468 ;; Bind the article treatment functions to nil.
6469 (let ((gnus-have-all-headers t)
6470 gnus-article-display-hook
6471 gnus-article-prepare-hook
6474 (gnus-summary-select-article nil 'force)))
6475 (gnus-summary-goto-subject gnus-current-article)
6476 ; (gnus-configure-windows 'article)
6477 (gnus-summary-position-point))
6479 (defun gnus-summary-verbose-headers (&optional arg)
6480 "Toggle permanent full header display.
6481 If ARG is a positive number, turn header display on.
6482 If ARG is a negative number, turn header display off."
6484 (gnus-set-global-variables)
6485 (setq gnus-show-all-headers
6486 (cond ((or (not (numberp arg))
6488 (not gnus-show-all-headers))
6491 (gnus-summary-show-article))
6493 (defun gnus-summary-toggle-header (&optional arg)
6494 "Show the headers if they are hidden, or hide them if they are shown.
6495 If ARG is a positive number, show the entire header.
6496 If ARG is a negative number, hide the unwanted header lines."
6498 (gnus-set-global-variables)
6500 (set-buffer gnus-article-buffer)
6501 (let* ((buffer-read-only nil)
6502 (inhibit-point-motion-hooks t)
6503 (hidden (text-property-any
6504 (goto-char (point-min)) (search-forward "\n\n")
6507 (goto-char (point-min))
6508 (when (search-forward "\n\n" nil t)
6509 (delete-region (point-min) (1- (point))))
6510 (goto-char (point-min))
6512 (set-buffer gnus-original-article-buffer)
6513 (goto-char (point-min))
6514 (setq e (1- (or (search-forward "\n\n" nil t) (point-max)))))
6515 (insert-buffer-substring gnus-original-article-buffer 1 e)
6516 (let ((article-inhibit-hiding t))
6517 (run-hooks 'gnus-article-display-hook))
6518 (when (or (not hidden) (and (numberp arg) (< arg 0)))
6519 (gnus-article-hide-headers)))))
6521 (defun gnus-summary-show-all-headers ()
6522 "Make all header lines visible."
6524 (gnus-set-global-variables)
6525 (gnus-article-show-all-headers))
6527 (defun gnus-summary-toggle-mime (&optional arg)
6528 "Toggle MIME processing.
6529 If ARG is a positive number, turn MIME processing on."
6531 (gnus-set-global-variables)
6532 (setq gnus-show-mime
6533 (if (null arg) (not gnus-show-mime)
6534 (> (prefix-numeric-value arg) 0)))
6535 (gnus-summary-select-article t 'force))
6537 (defun gnus-summary-caesar-message (&optional arg)
6538 "Caesar rotate the current article by 13.
6539 The numerical prefix specifies how many places to rotate each letter
6542 (gnus-set-global-variables)
6543 (gnus-summary-select-article)
6544 (let ((mail-header-separator ""))
6545 (gnus-eval-in-buffer-window gnus-article-buffer
6548 (let ((start (window-start))
6550 (message-caesar-buffer-body arg)
6551 (set-window-start (get-buffer-window (current-buffer)) start))))))
6553 (defun gnus-summary-stop-page-breaking ()
6554 "Stop page breaking in the current article."
6556 (gnus-set-global-variables)
6557 (gnus-summary-select-article)
6558 (gnus-eval-in-buffer-window gnus-article-buffer
6560 (when (gnus-visual-p 'page-marker)
6561 (let ((buffer-read-only nil))
6562 (gnus-remove-text-with-property 'gnus-prev)
6563 (gnus-remove-text-with-property 'gnus-next)))))
6565 (defun gnus-summary-move-article (&optional n to-newsgroup
6566 select-method action)
6567 "Move the current article to a different newsgroup.
6568 If N is a positive number, move the N next articles.
6569 If N is a negative number, move the N previous articles.
6570 If N is nil and any articles have been marked with the process mark,
6571 move those articles instead.
6572 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
6573 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
6574 re-spool using this method.
6576 For this function to work, both the current newsgroup and the
6577 newsgroup that you want to move to have to support the `request-move'
6578 and `request-accept' functions."
6581 (setq action 'move))
6582 (gnus-set-global-variables)
6583 ;; Disable marking as read.
6584 (let (gnus-mark-article-hook)
6585 (save-window-excursion
6586 (gnus-summary-select-article)))
6587 ;; Check whether the source group supports the required functions.
6588 (cond ((and (eq action 'move)
6589 (not (gnus-check-backend-function
6590 'request-move-article gnus-newsgroup-name)))
6591 (error "The current group does not support article moving"))
6592 ((and (eq action 'crosspost)
6593 (not (gnus-check-backend-function
6594 'request-replace-article gnus-newsgroup-name)))
6595 (error "The current group does not support article editing")))
6596 (let ((articles (gnus-summary-work-articles n))
6597 (prefix (gnus-group-real-prefix gnus-newsgroup-name))
6598 (names '((move "Move" "Moving")
6599 (copy "Copy" "Copying")
6600 (crosspost "Crosspost" "Crossposting")))
6601 (copy-buf (save-excursion
6602 (nnheader-set-temp-buffer " *copy article*")))
6603 art-group to-method new-xref article to-groups)
6604 (unless (assq action names)
6605 (error "Unknown action %s" action))
6606 ;; Read the newsgroup name.
6607 (when (and (not to-newsgroup)
6608 (not select-method))
6610 (gnus-read-move-group-name
6611 (cadr (assq action names))
6612 (symbol-value (intern (format "gnus-current-%s-group" action)))
6614 (set (intern (format "gnus-current-%s-group" action)) to-newsgroup))
6615 (setq to-method (or select-method
6616 (gnus-group-name-to-method to-newsgroup)))
6617 ;; Check the method we are to move this article to...
6618 (unless (gnus-check-backend-function
6619 'request-accept-article (car to-method))
6620 (error "%s does not support article copying" (car to-method)))
6621 (unless (gnus-check-server to-method)
6622 (error "Can't open server %s" (car to-method)))
6623 (gnus-message 6 "%s to %s: %s..."
6624 (caddr (assq action names))
6625 (or (car select-method) to-newsgroup) articles)
6627 (setq article (pop articles))
6631 ;; Move the article.
6633 (gnus-request-move-article
6634 article ; Article to move
6635 gnus-newsgroup-name ; From newsgroup
6636 (nth 1 (gnus-find-method-for-group
6637 gnus-newsgroup-name)) ; Server
6638 (list 'gnus-request-accept-article
6639 to-newsgroup (list 'quote select-method)
6640 (not articles)) ; Accept form
6641 (not articles))) ; Only save nov last time
6642 ;; Copy the article.
6645 (set-buffer copy-buf)
6646 (gnus-request-article-this-buffer article gnus-newsgroup-name)
6647 (gnus-request-accept-article
6648 to-newsgroup select-method (not articles))))
6649 ;; Crosspost the article.
6650 ((eq action 'crosspost)
6651 (let ((xref (message-tokenize-header
6652 (mail-header-xref (gnus-summary-article-header article))
6654 (setq new-xref (concat (gnus-group-real-name gnus-newsgroup-name)
6657 (setq xref (list (system-name))))
6660 (mapconcat 'identity
6661 (delete "Xref:" (delete new-xref xref))
6665 (set-buffer copy-buf)
6666 ;; First put the article in the destination group.
6667 (gnus-request-article-this-buffer article gnus-newsgroup-name)
6669 (gnus-request-accept-article
6670 to-newsgroup select-method (not articles)))
6671 (setq new-xref (concat new-xref " " (car art-group)
6672 ":" (cdr art-group)))
6673 ;; Now we have the new Xrefs header, so we insert
6674 ;; it and replace the new article.
6675 (nnheader-replace-header "Xref" new-xref)
6676 (gnus-request-replace-article
6677 (cdr art-group) to-newsgroup (current-buffer))
6680 (gnus-message 1 "Couldn't %s article %s"
6681 (cadr (assq action names)) article)
6684 (gnus-gethash (car art-group) gnus-newsrc-hashtb)
6686 (gnus-group-prefixed-name
6689 (gnus-find-method-for-group to-newsgroup)))
6690 gnus-newsrc-hashtb)))
6691 (info (nth 2 entry))
6692 (to-group (gnus-info-group info)))
6693 ;; Update the group that has been moved to.
6695 (memq action '(move copy)))
6696 (unless (member to-group to-groups)
6697 (push to-group to-groups))
6699 (unless (memq article gnus-newsgroup-unreads)
6701 info (gnus-add-to-range (gnus-info-read info)
6702 (list (cdr art-group)))))
6704 ;; Copy any marks over to the new group.
6705 (let ((marks gnus-article-mark-lists)
6706 (to-article (cdr art-group)))
6708 ;; See whether the article is to be put in the cache.
6709 (when gnus-use-cache
6710 (gnus-cache-possibly-enter-article
6712 (let ((header (copy-sequence
6713 (gnus-summary-article-header article))))
6714 (mail-header-set-number header to-article)
6716 (memq article gnus-newsgroup-marked)
6717 (memq article gnus-newsgroup-dormant)
6718 (memq article gnus-newsgroup-unreads)))
6720 (when (and (equal to-group gnus-newsgroup-name)
6721 (not (memq article gnus-newsgroup-unreads)))
6722 ;; Mark this article as read in this group.
6723 (push (cons to-article gnus-read-mark) gnus-newsgroup-reads)
6724 (setcdr (gnus-active to-group) to-article)
6725 (setcdr gnus-newsgroup-active to-article))
6728 (when (memq article (symbol-value
6729 (intern (format "gnus-newsgroup-%s"
6731 ;; If the other group is the same as this group,
6732 ;; then we have to add the mark to the list.
6733 (when (equal to-group gnus-newsgroup-name)
6734 (set (intern (format "gnus-newsgroup-%s" (caar marks)))
6737 (intern (format "gnus-newsgroup-%s"
6739 ;; Copy the marks to other group.
6740 (gnus-add-marked-articles
6741 to-group (cdar marks) (list to-article) info))
6742 (setq marks (cdr marks)))))
6744 ;; Update the Xref header in this article to point to
6745 ;; the new crossposted article we have just created.
6746 (when (eq action 'crosspost)
6748 (set-buffer copy-buf)
6749 (gnus-request-article-this-buffer article gnus-newsgroup-name)
6750 (nnheader-replace-header "Xref" new-xref)
6751 (gnus-request-replace-article
6752 article gnus-newsgroup-name (current-buffer)))))
6754 (gnus-summary-goto-subject article)
6755 (when (eq action 'move)
6756 (gnus-summary-mark-article article gnus-canceled-mark)))
6757 (gnus-summary-remove-process-mark article))
6758 ;; Re-activate all groups that have been moved to.
6760 (gnus-activate-group (pop to-groups)))
6762 (gnus-kill-buffer copy-buf)
6763 (gnus-summary-position-point)
6764 (gnus-set-mode-line 'summary)))
6766 (defun gnus-summary-copy-article (&optional n to-newsgroup select-method)
6767 "Move the current article to a different newsgroup.
6768 If TO-NEWSGROUP is string, do not prompt for a newsgroup to move to.
6769 If SELECT-METHOD is non-nil, do not move to a specific newsgroup, but
6770 re-spool using this method."
6772 (gnus-summary-move-article n to-newsgroup select-method 'copy))
6774 (defun gnus-summary-crosspost-article (&optional n)
6775 "Crosspost the current article to some other group."
6777 (gnus-summary-move-article n nil nil 'crosspost))
6779 (defcustom gnus-summary-respool-default-method nil
6780 "Default method for respooling an article.
6781 If nil, use to the current newsgroup method."
6782 :type 'gnus-select-method-name
6783 :group 'gnus-summary-mail)
6785 (defun gnus-summary-respool-article (&optional n method)
6786 "Respool the current article.
6787 The article will be squeezed through the mail spooling process again,
6788 which means that it will be put in some mail newsgroup or other
6789 depending on `nnmail-split-methods'.
6790 If N is a positive number, respool the N next articles.
6791 If N is a negative number, respool the N previous articles.
6792 If N is nil and any articles have been marked with the process mark,
6793 respool those articles instead.
6795 Respooling can be done both from mail groups and \"real\" newsgroups.
6796 In the former case, the articles in question will be moved from the
6797 current group into whatever groups they are destined to. In the
6798 latter case, they will be copied into the relevant groups."
6800 (list current-prefix-arg
6801 (let* ((methods (gnus-methods-using 'respool))
6803 (symbol-name (or gnus-summary-respool-default-method
6804 (car (gnus-find-method-for-group
6805 gnus-newsgroup-name)))))
6807 (gnus-completing-read
6808 methname "What backend do you want to use when respooling?"
6809 methods nil t nil 'gnus-mail-method-history))
6812 ((zerop (length (setq ms (gnus-servers-using-backend
6814 (list (intern method) ""))
6818 (let ((ms-alist (mapcar (lambda (m) (cons (cadr m) m)) ms)))
6819 (cdr (assoc (completing-read "Server name: " ms-alist nil t)
6821 (gnus-set-global-variables)
6823 (error "No method given for respooling"))
6824 (if (assoc (symbol-name
6825 (car (gnus-find-method-for-group gnus-newsgroup-name)))
6826 (gnus-methods-using 'respool))
6827 (gnus-summary-move-article n nil method)
6828 (gnus-summary-copy-article n nil method)))
6830 (defun gnus-summary-import-article (file)
6831 "Import a random file into a mail newsgroup."
6832 (interactive "fImport file: ")
6833 (gnus-set-global-variables)
6834 (let ((group gnus-newsgroup-name)
6835 (now (current-time))
6837 (unless (gnus-check-backend-function 'request-accept-article group)
6838 (error "%s does not support article importing" group))
6839 (or (file-readable-p file)
6840 (not (file-regular-p file))
6841 (error "Can't read %s" file))
6843 (set-buffer (get-buffer-create " *import file*"))
6844 (buffer-disable-undo (current-buffer))
6846 (insert-file-contents file)
6847 (goto-char (point-min))
6848 (unless (nnheader-article-p)
6849 ;; This doesn't look like an article, so we fudge some headers.
6850 (setq atts (file-attributes file)
6851 lines (count-lines (point-min) (point-max)))
6852 (insert "From: " (read-string "From: ") "\n"
6853 "Subject: " (read-string "Subject: ") "\n"
6854 "Date: " (timezone-make-date-arpa-standard
6855 (current-time-string (nth 5 atts))
6856 (current-time-zone now)
6857 (current-time-zone now))
6859 "Message-ID: " (message-make-message-id) "\n"
6860 "Lines: " (int-to-string lines) "\n"
6861 "Chars: " (int-to-string (nth 7 atts)) "\n\n"))
6862 (gnus-request-accept-article group nil t)
6863 (kill-buffer (current-buffer)))))
6865 (defun gnus-summary-article-posted-p ()
6866 "Say whether the current (mail) article is available from `gnus-select-method' as well.
6867 This will be the case if the article has both been mailed and posted."
6869 (let ((id (mail-header-references (gnus-summary-article-header)))
6870 (gnus-override-method
6871 (or gnus-refer-article-method gnus-select-method)))
6872 (if (gnus-request-head id "")
6873 (gnus-message 2 "The current message was found on %s"
6874 gnus-override-method)
6875 (gnus-message 2 "The current message couldn't be found on %s"
6876 gnus-override-method)
6879 (defun gnus-summary-expire-articles (&optional now)
6880 "Expire all articles that are marked as expirable in the current group."
6882 (gnus-set-global-variables)
6883 (when (gnus-check-backend-function
6884 'request-expire-articles gnus-newsgroup-name)
6885 ;; This backend supports expiry.
6886 (let* ((total (gnus-group-total-expirable-p gnus-newsgroup-name))
6887 (expirable (if total
6889 ;; We need to update the info for
6890 ;; this group for `gnus-list-of-read-articles'
6891 ;; to give us the right answer.
6892 (run-hooks 'gnus-exit-group-hook)
6893 (gnus-summary-update-info)
6894 (gnus-list-of-read-articles gnus-newsgroup-name))
6895 (setq gnus-newsgroup-expirable
6896 (sort gnus-newsgroup-expirable '<))))
6897 (expiry-wait (if now 'immediate
6898 (gnus-group-find-parameter
6899 gnus-newsgroup-name 'expiry-wait)))
6902 ;; There are expirable articles in this group, so we run them
6903 ;; through the expiry process.
6904 (gnus-message 6 "Expiring articles...")
6905 ;; The list of articles that weren't expired is returned.
6907 (let ((nnmail-expiry-wait-function nil)
6908 (nnmail-expiry-wait expiry-wait))
6909 (setq es (gnus-request-expire-articles
6910 expirable gnus-newsgroup-name)))
6911 (setq es (gnus-request-expire-articles
6912 expirable gnus-newsgroup-name)))
6914 (setq gnus-newsgroup-expirable es))
6915 ;; We go through the old list of expirable, and mark all
6916 ;; really expired articles as nonexistent.
6917 (unless (eq es expirable) ;If nothing was expired, we don't mark.
6918 (let ((gnus-use-cache nil))
6920 (unless (memq (car expirable) es)
6921 (when (gnus-data-find (car expirable))
6922 (gnus-summary-mark-article
6923 (car expirable) gnus-canceled-mark)))
6924 (setq expirable (cdr expirable)))))
6925 (gnus-message 6 "Expiring articles...done")))))
6927 (defun gnus-summary-expire-articles-now ()
6928 "Expunge all expirable articles in the current group.
6929 This means that *all* articles that are marked as expirable will be
6930 deleted forever, right now."
6932 (gnus-set-global-variables)
6933 (or gnus-expert-user
6935 "Are you really, really, really sure you want to delete all these messages? ")
6937 (gnus-summary-expire-articles t))
6939 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
6940 (defun gnus-summary-delete-article (&optional n)
6941 "Delete the N next (mail) articles.
6942 This command actually deletes articles. This is not a marking
6943 command. The article will disappear forever from your life, never to
6945 If N is negative, delete backwards.
6946 If N is nil and articles have been marked with the process mark,
6947 delete these instead."
6949 (gnus-set-global-variables)
6950 (unless (gnus-check-backend-function 'request-expire-articles
6951 gnus-newsgroup-name)
6952 (error "The current newsgroup does not support article deletion."))
6953 ;; Compute the list of articles to delete.
6954 (let ((articles (gnus-summary-work-articles n))
6956 (if (and gnus-novice-user
6957 (not (gnus-yes-or-no-p
6958 (format "Do you really want to delete %s forever? "
6959 (if (> (length articles) 1)
6960 (format "these %s articles" (length articles))
6963 ;; Delete the articles.
6964 (setq not-deleted (gnus-request-expire-articles
6965 articles gnus-newsgroup-name 'force))
6967 (gnus-summary-remove-process-mark (car articles))
6968 ;; The backend might not have been able to delete the article
6970 (unless (memq (car articles) not-deleted)
6971 (gnus-summary-mark-article (car articles) gnus-canceled-mark))
6972 (setq articles (cdr articles)))
6974 (gnus-message 4 "Couldn't delete articles %s" not-deleted)))
6975 (gnus-summary-position-point)
6976 (gnus-set-mode-line 'summary)
6979 (defun gnus-summary-edit-article (&optional force)
6980 "Edit the current article.
6981 This will have permanent effect only in mail groups.
6982 If FORCE is non-nil, allow editing of articles even in read-only
6986 (set-buffer gnus-summary-buffer)
6987 (gnus-set-global-variables)
6988 (when (and (not force)
6989 (gnus-group-read-only-p))
6990 (error "The current newsgroup does not support article editing."))
6991 ;; Select article if needed.
6992 (unless (eq (gnus-summary-article-number)
6993 gnus-current-article)
6994 (gnus-summary-select-article t))
6995 (gnus-article-edit-article
6997 (gnus-summary-edit-article-done
6998 ,(or (mail-header-references gnus-current-headers) "")
6999 ,(gnus-group-read-only-p) ,gnus-summary-buffer)))))
7001 (defalias 'gnus-summary-edit-article-postpone 'gnus-article-edit-exit)
7003 (defun gnus-summary-edit-article-done (&optional references read-only buffer)
7004 "Make edits to the current article permanent."
7006 ;; Replace the article.
7007 (if (and (not read-only)
7008 (not (gnus-request-replace-article
7009 (cdr gnus-article-current) (car gnus-article-current)
7011 (error "Couldn't replace article.")
7012 ;; Update the summary buffer.
7014 (equal (message-tokenize-header references " ")
7015 (message-tokenize-header
7016 (or (message-fetch-field "references") "") " ")))
7017 ;; We only have to update this line.
7020 (message-narrow-to-head)
7021 (let ((head (buffer-string))
7023 (nnheader-temp-write nil
7024 (insert (format "211 %d Article retrieved.\n"
7025 (cdr gnus-article-current)))
7028 (let ((nntp-server-buffer (current-buffer)))
7029 (setq header (car (gnus-get-newsgroup-headers
7031 (set-buffer gnus-summary-buffer)
7032 gnus-newsgroup-dependencies)
7035 (set-buffer gnus-summary-buffer)
7036 (gnus-data-set-header
7037 (gnus-data-find (cdr gnus-article-current))
7039 (gnus-summary-update-article-line
7040 (cdr gnus-article-current) header))))))
7042 (set-buffer (or buffer gnus-summary-buffer))
7043 (gnus-summary-update-article (cdr gnus-article-current)))
7044 ;; Prettify the article buffer again.
7046 (set-buffer gnus-article-buffer)
7047 (run-hooks 'gnus-article-display-hook)
7048 (set-buffer gnus-original-article-buffer)
7049 (gnus-request-article
7050 (cdr gnus-article-current) (car gnus-article-current) (current-buffer)))
7051 ;; Prettify the summary buffer line.
7052 (when (gnus-visual-p 'summary-highlight 'highlight)
7053 (run-hooks 'gnus-visual-mark-article-hook))))
7055 (defun gnus-summary-edit-wash (key)
7056 "Perform editing command in the article buffer."
7060 (message "%s" (concat (this-command-keys) "- "))
7063 (gnus-summary-edit-article)
7064 (execute-kbd-macro (concat (this-command-keys) key))
7065 (gnus-article-edit-done))
7069 (defun gnus-summary-respool-query ()
7070 "Query where the respool algorithm would put this article."
7072 (gnus-set-global-variables)
7073 (let (gnus-mark-article-hook)
7074 (gnus-summary-select-article)
7076 (set-buffer gnus-original-article-buffer)
7078 (message-narrow-to-head)
7079 (message "This message would go to %s"
7080 (mapconcat 'car (nnmail-article-group 'identity) ", "))))))
7082 ;; Summary marking commands.
7084 (defun gnus-summary-kill-same-subject-and-select (&optional unmark)
7085 "Mark articles which has the same subject as read, and then select the next.
7086 If UNMARK is positive, remove any kind of mark.
7087 If UNMARK is negative, tick articles."
7089 (gnus-set-global-variables)
7091 (setq unmark (prefix-numeric-value unmark)))
7093 (gnus-summary-mark-same-subject
7094 (gnus-summary-article-subject) unmark)))
7095 ;; Select next unread article. If auto-select-same mode, should
7096 ;; select the first unread article.
7097 (gnus-summary-next-article t (and gnus-auto-select-same
7098 (gnus-summary-article-subject)))
7099 (gnus-message 7 "%d article%s marked as %s"
7100 count (if (= count 1) " is" "s are")
7101 (if unmark "unread" "read"))))
7103 (defun gnus-summary-kill-same-subject (&optional unmark)
7104 "Mark articles which has the same subject as read.
7105 If UNMARK is positive, remove any kind of mark.
7106 If UNMARK is negative, tick articles."
7108 (gnus-set-global-variables)
7110 (setq unmark (prefix-numeric-value unmark)))
7112 (gnus-summary-mark-same-subject
7113 (gnus-summary-article-subject) unmark)))
7114 ;; If marked as read, go to next unread subject.
7116 ;; Go to next unread subject.
7117 (gnus-summary-next-subject 1 t))
7118 (gnus-message 7 "%d articles are marked as %s"
7119 count (if unmark "unread" "read"))))
7121 (defun gnus-summary-mark-same-subject (subject &optional unmark)
7122 "Mark articles with same SUBJECT as read, and return marked number.
7123 If optional argument UNMARK is positive, remove any kinds of marks.
7124 If optional argument UNMARK is negative, mark articles as unread instead."
7128 ((null unmark) ; Mark as read.
7131 (gnus-summary-mark-article-as-read gnus-killed-mark)
7132 (gnus-summary-show-thread) t)
7133 (gnus-summary-find-subject subject))
7134 (setq count (1+ count))))
7135 ((> unmark 0) ; Tick.
7138 (gnus-summary-mark-article-as-unread gnus-ticked-mark)
7139 (gnus-summary-show-thread) t)
7140 (gnus-summary-find-subject subject))
7141 (setq count (1+ count))))
7142 (t ; Mark as unread.
7145 (gnus-summary-mark-article-as-unread gnus-unread-mark)
7146 (gnus-summary-show-thread) t)
7147 (gnus-summary-find-subject subject))
7148 (setq count (1+ count)))))
7149 (gnus-set-mode-line 'summary)
7150 ;; Return the number of marked articles.
7153 (defun gnus-summary-mark-as-processable (n &optional unmark)
7154 "Set the process mark on the next N articles.
7155 If N is negative, mark backward instead. If UNMARK is non-nil, remove
7156 the process mark instead. The difference between N and the actual
7157 number of articles marked is returned."
7159 (gnus-set-global-variables)
7160 (let ((backward (< n 0))
7165 (gnus-summary-remove-process-mark
7166 (gnus-summary-article-number))
7167 (gnus-summary-set-process-mark (gnus-summary-article-number)))
7168 (zerop (gnus-summary-next-subject (if backward -1 1) nil t)))
7171 (gnus-message 7 "No more articles"))
7172 (gnus-summary-recenter)
7173 (gnus-summary-position-point)
7176 (defun gnus-summary-unmark-as-processable (n)
7177 "Remove the process mark from the next N articles.
7178 If N is negative, mark backward instead. The difference between N and
7179 the actual number of articles marked is returned."
7181 (gnus-set-global-variables)
7182 (gnus-summary-mark-as-processable n t))
7184 (defun gnus-summary-unmark-all-processable ()
7185 "Remove the process mark from all articles."
7187 (gnus-set-global-variables)
7189 (while gnus-newsgroup-processable
7190 (gnus-summary-remove-process-mark (car gnus-newsgroup-processable))))
7191 (gnus-summary-position-point))
7193 (defun gnus-summary-mark-as-expirable (n)
7194 "Mark N articles forward as expirable.
7195 If N is negative, mark backward instead. The difference between N and
7196 the actual number of articles marked is returned."
7198 (gnus-set-global-variables)
7199 (gnus-summary-mark-forward n gnus-expirable-mark))
7201 (defun gnus-summary-mark-article-as-replied (article)
7202 "Mark ARTICLE replied and update the summary line."
7203 (push article gnus-newsgroup-replied)
7204 (let ((buffer-read-only nil))
7205 (when (gnus-summary-goto-subject article)
7206 (gnus-summary-update-secondary-mark article))))
7208 (defun gnus-summary-set-bookmark (article)
7209 "Set a bookmark in current article."
7210 (interactive (list (gnus-summary-article-number)))
7211 (gnus-set-global-variables)
7212 (when (or (not (get-buffer gnus-article-buffer))
7213 (not gnus-current-article)
7214 (not gnus-article-current)
7215 (not (equal gnus-newsgroup-name (car gnus-article-current))))
7216 (error "No current article selected"))
7217 ;; Remove old bookmark, if one exists.
7218 (let ((old (assq article gnus-newsgroup-bookmarks)))
7220 (setq gnus-newsgroup-bookmarks
7221 (delq old gnus-newsgroup-bookmarks))))
7222 ;; Set the new bookmark, which is on the form
7223 ;; (article-number . line-number-in-body).
7227 (set-buffer gnus-article-buffer)
7231 (goto-char (point-min))
7232 (search-forward "\n\n" nil t)
7235 gnus-newsgroup-bookmarks)
7236 (gnus-message 6 "A bookmark has been added to the current article."))
7238 (defun gnus-summary-remove-bookmark (article)
7239 "Remove the bookmark from the current article."
7240 (interactive (list (gnus-summary-article-number)))
7241 (gnus-set-global-variables)
7242 ;; Remove old bookmark, if one exists.
7243 (let ((old (assq article gnus-newsgroup-bookmarks)))
7246 (setq gnus-newsgroup-bookmarks
7247 (delq old gnus-newsgroup-bookmarks))
7248 (gnus-message 6 "Removed bookmark."))
7249 (gnus-message 6 "No bookmark in current article."))))
7251 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
7252 (defun gnus-summary-mark-as-dormant (n)
7253 "Mark N articles forward as dormant.
7254 If N is negative, mark backward instead. The difference between N and
7255 the actual number of articles marked is returned."
7257 (gnus-set-global-variables)
7258 (gnus-summary-mark-forward n gnus-dormant-mark))
7260 (defun gnus-summary-set-process-mark (article)
7261 "Set the process mark on ARTICLE and update the summary line."
7262 (setq gnus-newsgroup-processable
7264 (delq article gnus-newsgroup-processable)))
7265 (when (gnus-summary-goto-subject article)
7266 (gnus-summary-show-thread)
7267 (gnus-summary-update-secondary-mark article)))
7269 (defun gnus-summary-remove-process-mark (article)
7270 "Remove the process mark from ARTICLE and update the summary line."
7271 (setq gnus-newsgroup-processable (delq article gnus-newsgroup-processable))
7272 (when (gnus-summary-goto-subject article)
7273 (gnus-summary-show-thread)
7274 (gnus-summary-update-secondary-mark article)))
7276 (defun gnus-summary-set-saved-mark (article)
7277 "Set the process mark on ARTICLE and update the summary line."
7278 (push article gnus-newsgroup-saved)
7279 (when (gnus-summary-goto-subject article)
7280 (gnus-summary-update-secondary-mark article)))
7282 (defun gnus-summary-mark-forward (n &optional mark no-expire)
7283 "Mark N articles as read forwards.
7284 If N is negative, mark backwards instead. Mark with MARK, ?r by default.
7285 The difference between N and the actual number of articles marked is
7288 (gnus-set-global-variables)
7289 (let ((backward (< n 0))
7290 (gnus-summary-goto-unread
7291 (and gnus-summary-goto-unread
7292 (not (eq gnus-summary-goto-unread 'never))
7293 (not (memq mark (list gnus-unread-mark
7294 gnus-ticked-mark gnus-dormant-mark)))))
7296 (mark (or mark gnus-del-mark)))
7298 (gnus-summary-mark-article nil mark no-expire)
7299 (zerop (gnus-summary-next-subject
7301 (and gnus-summary-goto-unread
7302 (not (eq gnus-summary-goto-unread 'never)))
7306 (gnus-message 7 "No more %sarticles" (if mark "" "unread ")))
7307 (gnus-summary-recenter)
7308 (gnus-summary-position-point)
7309 (gnus-set-mode-line 'summary)
7312 (defun gnus-summary-mark-article-as-read (mark)
7313 "Mark the current article quickly as read with MARK."
7314 (let ((article (gnus-summary-article-number)))
7315 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
7316 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
7317 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
7318 (push (cons article mark) gnus-newsgroup-reads)
7319 ;; Possibly remove from cache, if that is used.
7320 (when gnus-use-cache
7321 (gnus-cache-enter-remove-article article))
7322 ;; Allow the backend to change the mark.
7323 (setq mark (gnus-request-update-mark gnus-newsgroup-name article mark))
7324 ;; Check for auto-expiry.
7325 (when (and gnus-newsgroup-auto-expire
7326 (or (= mark gnus-killed-mark) (= mark gnus-del-mark)
7327 (= mark gnus-catchup-mark) (= mark gnus-low-score-mark)
7328 (= mark gnus-ancient-mark)
7329 (= mark gnus-read-mark) (= mark gnus-souped-mark)
7330 (= mark gnus-duplicate-mark)))
7331 (setq mark gnus-expirable-mark)
7332 (push article gnus-newsgroup-expirable))
7333 ;; Set the mark in the buffer.
7334 (gnus-summary-update-mark mark 'unread)
7337 (defun gnus-summary-mark-article-as-unread (mark)
7338 "Mark the current article quickly as unread with MARK."
7339 (let ((article (gnus-summary-article-number)))
7341 (gnus-error 1 "Unmarkable article")
7342 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
7343 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
7344 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable))
7345 (setq gnus-newsgroup-reads (delq article gnus-newsgroup-reads))
7346 (cond ((= mark gnus-ticked-mark)
7347 (push article gnus-newsgroup-marked))
7348 ((= mark gnus-dormant-mark)
7349 (push article gnus-newsgroup-dormant))
7351 (push article gnus-newsgroup-unreads)))
7352 (setq gnus-newsgroup-reads
7353 (delq (assq article gnus-newsgroup-reads)
7354 gnus-newsgroup-reads))
7356 ;; See whether the article is to be put in the cache.
7358 (vectorp (gnus-summary-article-header article))
7360 (gnus-cache-possibly-enter-article
7361 gnus-newsgroup-name article
7362 (gnus-summary-article-header article)
7363 (= mark gnus-ticked-mark)
7364 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
7367 (gnus-summary-update-mark mark 'unread))
7370 (defun gnus-summary-mark-article (&optional article mark no-expire)
7371 "Mark ARTICLE with MARK. MARK can be any character.
7372 Four MARK strings are reserved: `? ' (unread), `?!' (ticked),
7373 `??' (dormant) and `?E' (expirable).
7374 If MARK is nil, then the default character `?D' is used.
7375 If ARTICLE is nil, then the article on the current line will be
7377 ;; The mark might be a string.
7378 (when (stringp mark)
7379 (setq mark (aref mark 0)))
7380 ;; If no mark is given, then we check auto-expiring.
7381 (and (not no-expire)
7382 gnus-newsgroup-auto-expire
7384 (and (gnus-characterp mark)
7385 (or (= mark gnus-killed-mark) (= mark gnus-del-mark)
7386 (= mark gnus-catchup-mark) (= mark gnus-low-score-mark)
7387 (= mark gnus-read-mark) (= mark gnus-souped-mark)
7388 (= mark gnus-duplicate-mark))))
7389 (setq mark gnus-expirable-mark))
7390 (let* ((mark (or mark gnus-del-mark))
7391 (article (or article (gnus-summary-article-number))))
7393 (error "No article on current line"))
7394 (if (or (= mark gnus-unread-mark)
7395 (= mark gnus-ticked-mark)
7396 (= mark gnus-dormant-mark))
7397 (gnus-mark-article-as-unread article mark)
7398 (gnus-mark-article-as-read article mark))
7400 ;; See whether the article is to be put in the cache.
7402 (not (= mark gnus-canceled-mark))
7403 (vectorp (gnus-summary-article-header article))
7405 (gnus-cache-possibly-enter-article
7406 gnus-newsgroup-name article
7407 (gnus-summary-article-header article)
7408 (= mark gnus-ticked-mark)
7409 (= mark gnus-dormant-mark) (= mark gnus-unread-mark))))
7411 (when (gnus-summary-goto-subject article nil t)
7412 (let ((buffer-read-only nil))
7413 (gnus-summary-show-thread)
7415 (gnus-summary-update-mark mark 'unread)
7418 (defun gnus-summary-update-secondary-mark (article)
7419 "Update the secondary (read, process, cache) mark."
7420 (gnus-summary-update-mark
7421 (cond ((memq article gnus-newsgroup-processable)
7423 ((memq article gnus-newsgroup-cached)
7425 ((memq article gnus-newsgroup-replied)
7427 ((memq article gnus-newsgroup-saved)
7429 (t gnus-unread-mark))
7431 (when (gnus-visual-p 'summary-highlight 'highlight)
7432 (run-hooks 'gnus-summary-update-hook))
7435 (defun gnus-summary-update-mark (mark type)
7436 (let ((forward (cdr (assq type gnus-summary-mark-positions)))
7437 (buffer-read-only nil))
7438 (re-search-backward "[\n\r]" (gnus-point-at-bol) 'move-to-limit)
7439 (when (looking-at "\r")
7442 (<= (+ forward (point)) (point-max)))
7443 ;; Go to the right position on the line.
7444 (goto-char (+ forward (point)))
7445 ;; Replace the old mark with the new mark.
7446 (subst-char-in-region (point) (1+ (point)) (following-char) mark)
7447 ;; Optionally update the marks by some user rule.
7448 (when (eq type 'unread)
7450 (gnus-data-find (gnus-summary-article-number)) mark)
7451 (gnus-summary-update-line (eq mark gnus-unread-mark))))))
7453 (defun gnus-mark-article-as-read (article &optional mark)
7454 "Enter ARTICLE in the pertinent lists and remove it from others."
7455 ;; Make the article expirable.
7456 (let ((mark (or mark gnus-del-mark)))
7457 (if (= mark gnus-expirable-mark)
7458 (push article gnus-newsgroup-expirable)
7459 (setq gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)))
7460 ;; Remove from unread and marked lists.
7461 (setq gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
7462 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked))
7463 (setq gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant))
7464 (push (cons article mark) gnus-newsgroup-reads)
7465 ;; Possibly remove from cache, if that is used.
7466 (when gnus-use-cache
7467 (gnus-cache-enter-remove-article article))))
7469 (defun gnus-mark-article-as-unread (article &optional mark)
7470 "Enter ARTICLE in the pertinent lists and remove it from others."
7471 (let ((mark (or mark gnus-ticked-mark)))
7472 (setq gnus-newsgroup-marked (delq article gnus-newsgroup-marked)
7473 gnus-newsgroup-dormant (delq article gnus-newsgroup-dormant)
7474 gnus-newsgroup-expirable (delq article gnus-newsgroup-expirable)
7475 gnus-newsgroup-unreads (delq article gnus-newsgroup-unreads))
7477 ;; Unsuppress duplicates?
7478 (when gnus-suppress-duplicates
7479 (gnus-dup-unsuppress-article article))
7481 (cond ((= mark gnus-ticked-mark)
7482 (push article gnus-newsgroup-marked))
7483 ((= mark gnus-dormant-mark)
7484 (push article gnus-newsgroup-dormant))
7486 (push article gnus-newsgroup-unreads)))
7487 (setq gnus-newsgroup-reads
7488 (delq (assq article gnus-newsgroup-reads)
7489 gnus-newsgroup-reads))))
7491 (defalias 'gnus-summary-mark-as-unread-forward
7492 'gnus-summary-tick-article-forward)
7493 (make-obsolete 'gnus-summary-mark-as-unread-forward
7494 'gnus-summary-tick-article-forward)
7495 (defun gnus-summary-tick-article-forward (n)
7496 "Tick N articles forwards.
7497 If N is negative, tick backwards instead.
7498 The difference between N and the number of articles ticked is returned."
7500 (gnus-summary-mark-forward n gnus-ticked-mark))
7502 (defalias 'gnus-summary-mark-as-unread-backward
7503 'gnus-summary-tick-article-backward)
7504 (make-obsolete 'gnus-summary-mark-as-unread-backward
7505 'gnus-summary-tick-article-backward)
7506 (defun gnus-summary-tick-article-backward (n)
7507 "Tick N articles backwards.
7508 The difference between N and the number of articles ticked is returned."
7510 (gnus-summary-mark-forward (- n) gnus-ticked-mark))
7512 (defalias 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
7513 (make-obsolete 'gnus-summary-mark-as-unread 'gnus-summary-tick-article)
7514 (defun gnus-summary-tick-article (&optional article clear-mark)
7515 "Mark current article as unread.
7516 Optional 1st argument ARTICLE specifies article number to be marked as unread.
7517 Optional 2nd argument CLEAR-MARK remove any kinds of mark."
7519 (gnus-summary-mark-article article (if clear-mark gnus-unread-mark
7522 (defun gnus-summary-mark-as-read-forward (n)
7523 "Mark N articles as read forwards.
7524 If N is negative, mark backwards instead.
7525 The difference between N and the actual number of articles marked is
7528 (gnus-summary-mark-forward n gnus-del-mark t))
7530 (defun gnus-summary-mark-as-read-backward (n)
7531 "Mark the N articles as read backwards.
7532 The difference between N and the actual number of articles marked is
7535 (gnus-summary-mark-forward (- n) gnus-del-mark t))
7537 (defun gnus-summary-mark-as-read (&optional article mark)
7538 "Mark current article as read.
7539 ARTICLE specifies the article to be marked as read.
7540 MARK specifies a string to be inserted at the beginning of the line."
7541 (gnus-summary-mark-article article mark))
7543 (defun gnus-summary-clear-mark-forward (n)
7544 "Clear marks from N articles forward.
7545 If N is negative, clear backward instead.
7546 The difference between N and the number of marks cleared is returned."
7548 (gnus-summary-mark-forward n gnus-unread-mark))
7550 (defun gnus-summary-clear-mark-backward (n)
7551 "Clear marks from N articles backward.
7552 The difference between N and the number of marks cleared is returned."
7554 (gnus-summary-mark-forward (- n) gnus-unread-mark))
7556 (defun gnus-summary-mark-unread-as-read ()
7557 "Intended to be used by `gnus-summary-mark-article-hook'."
7558 (when (memq gnus-current-article gnus-newsgroup-unreads)
7559 (gnus-summary-mark-article gnus-current-article gnus-read-mark)))
7561 (defun gnus-summary-mark-read-and-unread-as-read ()
7562 "Intended to be used by `gnus-summary-mark-article-hook'."
7563 (let ((mark (gnus-summary-article-mark)))
7564 (when (or (gnus-unread-mark-p mark)
7565 (gnus-read-mark-p mark))
7566 (gnus-summary-mark-article gnus-current-article gnus-read-mark))))
7568 (defun gnus-summary-mark-region-as-read (point mark all)
7569 "Mark all unread articles between point and mark as read.
7570 If given a prefix, mark all articles between point and mark as read,
7571 even ticked and dormant ones."
7572 (interactive "r\nP")
7581 (memq (setq article (gnus-summary-article-number))
7582 gnus-newsgroup-unreads))
7583 (gnus-summary-mark-article article gnus-del-mark))
7585 (gnus-summary-find-next))))))
7587 (defun gnus-summary-mark-below (score mark)
7588 "Mark articles with score less than SCORE with MARK."
7589 (interactive "P\ncMark: ")
7590 (gnus-set-global-variables)
7591 (setq score (if score
7592 (prefix-numeric-value score)
7593 (or gnus-summary-default-score 0)))
7595 (set-buffer gnus-summary-buffer)
7596 (goto-char (point-min))
7599 (and (< (gnus-summary-article-score) score)
7600 (gnus-summary-mark-article nil mark))
7601 (gnus-summary-find-next)))))
7603 (defun gnus-summary-kill-below (&optional score)
7604 "Mark articles with score below SCORE as read."
7606 (gnus-set-global-variables)
7607 (gnus-summary-mark-below score gnus-killed-mark))
7609 (defun gnus-summary-clear-above (&optional score)
7610 "Clear all marks from articles with score above SCORE."
7612 (gnus-set-global-variables)
7613 (gnus-summary-mark-above score gnus-unread-mark))
7615 (defun gnus-summary-tick-above (&optional score)
7616 "Tick all articles with score above SCORE."
7618 (gnus-set-global-variables)
7619 (gnus-summary-mark-above score gnus-ticked-mark))
7621 (defun gnus-summary-mark-above (score mark)
7622 "Mark articles with score over SCORE with MARK."
7623 (interactive "P\ncMark: ")
7624 (gnus-set-global-variables)
7625 (setq score (if score
7626 (prefix-numeric-value score)
7627 (or gnus-summary-default-score 0)))
7629 (set-buffer gnus-summary-buffer)
7630 (goto-char (point-min))
7632 (when (> (gnus-summary-article-score) score)
7633 (gnus-summary-mark-article nil mark))
7635 (gnus-summary-find-next)))))
7637 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
7638 (defalias 'gnus-summary-show-all-expunged 'gnus-summary-limit-include-expunged)
7639 (defun gnus-summary-limit-include-expunged (&optional no-error)
7640 "Display all the hidden articles that were expunged for low scores."
7642 (gnus-set-global-variables)
7643 (let ((buffer-read-only nil))
7644 (let ((scored gnus-newsgroup-scored)
7647 (unless (gnus-summary-goto-subject (caar scored))
7648 (and (setq h (gnus-summary-article-header (caar scored)))
7649 (< (cdar scored) gnus-summary-expunge-below)
7651 (setq scored (cdr scored)))
7653 (when (not no-error)
7654 (error "No expunged articles hidden."))
7655 (goto-char (point-min))
7656 (gnus-summary-prepare-unthreaded (nreverse headers))
7657 (goto-char (point-min))
7658 (gnus-summary-position-point)
7661 (defun gnus-summary-catchup (&optional all quietly to-here not-mark)
7662 "Mark all unread articles in this newsgroup as read.
7663 If prefix argument ALL is non-nil, ticked and dormant articles will
7664 also be marked as read.
7665 If QUIETLY is non-nil, no questions will be asked.
7666 If TO-HERE is non-nil, it should be a point in the buffer. All
7667 articles before this point will be marked as read.
7668 Note that this function will only catch up the unread article
7669 in the current summary buffer limitation.
7670 The number of articles marked as read is returned."
7672 (gnus-set-global-variables)
7676 (not gnus-interactive-catchup) ;Without confirmation?
7680 "Mark absolutely all articles as read? "
7681 "Mark all unread articles as read? ")))
7683 (not gnus-newsgroup-adaptive)
7684 (not gnus-newsgroup-auto-expire)
7685 (not gnus-suppress-duplicates))
7688 (setq gnus-newsgroup-marked nil
7689 gnus-newsgroup-dormant nil))
7690 (setq gnus-newsgroup-unreads nil))
7691 ;; We actually mark all articles as canceled, which we
7692 ;; have to do when using auto-expiry or adaptive scoring.
7693 (gnus-summary-show-all-threads)
7694 (when (gnus-summary-first-subject (not all))
7696 (if to-here (< (point) to-here) t)
7697 (gnus-summary-mark-article-as-read gnus-catchup-mark)
7698 (gnus-summary-find-next (not all)))))
7699 (gnus-set-mode-line 'summary))
7701 (gnus-summary-position-point)))
7703 (defun gnus-summary-catchup-to-here (&optional all)
7704 "Mark all unticked articles before the current one as read.
7705 If ALL is non-nil, also mark ticked and dormant articles as read."
7707 (gnus-set-global-variables)
7709 (gnus-save-hidden-threads
7710 (let ((beg (point)))
7711 ;; We check that there are unread articles.
7712 (when (or all (gnus-summary-find-prev))
7713 (gnus-summary-catchup all t beg)))))
7714 (gnus-summary-position-point))
7716 (defun gnus-summary-catchup-all (&optional quietly)
7717 "Mark all articles in this newsgroup as read."
7719 (gnus-set-global-variables)
7720 (gnus-summary-catchup t quietly))
7722 (defun gnus-summary-catchup-and-exit (&optional all quietly)
7723 "Mark all articles not marked as unread in this newsgroup as read, then exit.
7724 If prefix argument ALL is non-nil, all articles are marked as read."
7726 (gnus-set-global-variables)
7727 (when (gnus-summary-catchup all quietly nil 'fast)
7728 ;; Select next newsgroup or exit.
7729 (if (eq gnus-auto-select-next 'quietly)
7730 (gnus-summary-next-group nil)
7731 (gnus-summary-exit))))
7733 (defun gnus-summary-catchup-all-and-exit (&optional quietly)
7734 "Mark all articles in this newsgroup as read, and then exit."
7736 (gnus-set-global-variables)
7737 (gnus-summary-catchup-and-exit t quietly))
7739 ;; Suggested by "Arne Eofsson" <arne@hodgkin.mbi.ucla.edu>.
7740 (defun gnus-summary-catchup-and-goto-next-group (&optional all)
7741 "Mark all articles in this group as read and select the next group.
7742 If given a prefix, mark all articles, unread as well as ticked, as
7745 (gnus-set-global-variables)
7747 (gnus-summary-catchup all))
7748 (gnus-summary-next-article t nil nil t))
7750 ;; Thread-based commands.
7752 (defun gnus-summary-articles-in-thread (&optional article)
7753 "Return a list of all articles in the current thread.
7754 If ARTICLE is non-nil, return all articles in the thread that starts
7756 (let* ((article (or article (gnus-summary-article-number)))
7757 (data (gnus-data-find-list article))
7758 (top-level (gnus-data-level (car data)))
7760 (cond ((null gnus-thread-operation-ignore-subject)
7761 (gnus-simplify-subject-re
7762 (mail-header-subject (gnus-data-header (car data)))))
7763 ((eq gnus-thread-operation-ignore-subject 'fuzzy)
7764 (gnus-simplify-subject-fuzzy
7765 (mail-header-subject (gnus-data-header (car data)))))
7767 (end-point (save-excursion
7768 (if (gnus-summary-go-to-next-thread)
7769 (point) (point-max))))
7772 (< (gnus-data-pos (car data)) end-point))
7773 (when (or (not top-subject)
7774 (string= top-subject
7775 (if (eq gnus-thread-operation-ignore-subject 'fuzzy)
7776 (gnus-simplify-subject-fuzzy
7777 (mail-header-subject
7778 (gnus-data-header (car data))))
7779 (gnus-simplify-subject-re
7780 (mail-header-subject
7781 (gnus-data-header (car data)))))))
7782 (push (gnus-data-number (car data)) articles))
7783 (unless (and (setq data (cdr data))
7784 (> (gnus-data-level (car data)) top-level))
7786 ;; Return the list of articles.
7787 (nreverse articles)))
7789 (defun gnus-summary-rethread-current ()
7790 "Rethread the thread the current article is part of."
7792 (gnus-set-global-variables)
7793 (let* ((gnus-show-threads t)
7794 (article (gnus-summary-article-number))
7795 (id (mail-header-id (gnus-summary-article-header)))
7796 (gnus-newsgroup-threads (list (gnus-id-to-thread (gnus-root-id id)))))
7798 (error "No article on the current line"))
7799 (gnus-rebuild-thread id)
7800 (gnus-summary-goto-subject article)))
7802 (defun gnus-summary-reparent-thread ()
7803 "Make the current article child of the marked (or previous) article.
7805 Note that the re-threading will only work if `gnus-thread-ignore-subject'
7806 is non-nil or the Subject: of both articles are the same."
7808 (unless (not (gnus-group-read-only-p))
7809 (error "The current newsgroup does not support article editing."))
7810 (unless (<= (length gnus-newsgroup-processable) 1)
7811 (error "No more than one article may be marked."))
7812 (save-window-excursion
7813 (let ((gnus-article-buffer " *reparent*")
7814 (current-article (gnus-summary-article-number))
7815 ;; First grab the marked article, otherwise one line up.
7816 (parent-article (if (not (null gnus-newsgroup-processable))
7817 (car gnus-newsgroup-processable)
7819 (if (eq (forward-line -1) 0)
7820 (gnus-summary-article-number)
7821 (error "Beginning of summary buffer."))))))
7822 (unless (not (eq current-article parent-article))
7823 (error "An article may not be self-referential."))
7824 (let ((message-id (mail-header-id
7825 (gnus-summary-article-header parent-article))))
7826 (unless (and message-id (not (equal message-id "")))
7827 (error "No message-id in desired parent."))
7828 (gnus-summary-select-article t t nil current-article)
7829 (set-buffer gnus-original-article-buffer)
7830 (let ((buf (format "%s" (buffer-string))))
7831 (nnheader-temp-write nil
7833 (goto-char (point-min))
7834 (if (search-forward-regexp "^References: " nil t)
7835 (insert message-id " " )
7836 (insert "References: " message-id "\n"))
7837 (unless (gnus-request-replace-article
7838 current-article (car gnus-article-current)
7840 (error "Couldn't replace article."))))
7841 (set-buffer gnus-summary-buffer)
7842 (gnus-summary-unmark-all-processable)
7843 (gnus-summary-rethread-current)
7844 (gnus-message 3 "Article %d is now the child of article %d."
7845 current-article parent-article)))))
7847 (defun gnus-summary-toggle-threads (&optional arg)
7848 "Toggle showing conversation threads.
7849 If ARG is positive number, turn showing conversation threads on."
7851 (gnus-set-global-variables)
7852 (let ((current (or (gnus-summary-article-number) gnus-newsgroup-end)))
7853 (setq gnus-show-threads
7854 (if (null arg) (not gnus-show-threads)
7855 (> (prefix-numeric-value arg) 0)))
7856 (gnus-summary-prepare)
7857 (gnus-summary-goto-subject current)
7858 (gnus-message 6 "Threading is now %s" (if gnus-show-threads "on" "off"))
7859 (gnus-summary-position-point)))
7861 (defun gnus-summary-show-all-threads ()
7864 (gnus-set-global-variables)
7866 (let ((buffer-read-only nil))
7867 (subst-char-in-region (point-min) (point-max) ?\^M ?\n t)))
7868 (gnus-summary-position-point))
7870 (defun gnus-summary-show-thread ()
7871 "Show thread subtrees.
7872 Returns nil if no thread was there to be shown."
7874 (gnus-set-global-variables)
7875 (let ((buffer-read-only nil)
7877 ;; first goto end then to beg, to have point at beg after let
7878 (end (progn (end-of-line) (point)))
7879 (beg (progn (beginning-of-line) (point))))
7881 ;; Any hidden lines here?
7882 (search-forward "\r" end t)
7883 (subst-char-in-region beg end ?\^M ?\n t)
7885 (gnus-summary-position-point))))
7887 (defun gnus-summary-hide-all-threads ()
7888 "Hide all thread subtrees."
7890 (gnus-set-global-variables)
7892 (goto-char (point-min))
7893 (gnus-summary-hide-thread)
7894 (while (zerop (gnus-summary-next-thread 1 t))
7895 (gnus-summary-hide-thread)))
7896 (gnus-summary-position-point))
7898 (defun gnus-summary-hide-thread ()
7899 "Hide thread subtrees.
7900 Returns nil if no threads were there to be hidden."
7902 (gnus-set-global-variables)
7903 (let ((buffer-read-only nil)
7905 (article (gnus-summary-article-number)))
7907 ;; Go forward until either the buffer ends or the subthread
7909 (when (and (not (eobp))
7910 (or (zerop (gnus-summary-next-thread 1 t))
7911 (goto-char (point-max))))
7913 (if (and (> (point) start)
7914 (search-backward "\n" start t))
7916 (subst-char-in-region start (point) ?\n ?\^M)
7917 (gnus-summary-goto-subject article))
7920 ;;(gnus-summary-position-point)
7923 (defun gnus-summary-go-to-next-thread (&optional previous)
7924 "Go to the same level (or less) next thread.
7925 If PREVIOUS is non-nil, go to previous thread instead.
7926 Return the article number moved to, or nil if moving was impossible."
7927 (let ((level (gnus-summary-thread-level))
7928 (way (if previous -1 1))
7931 (while (and (not (eobp))
7932 (< level (gnus-summary-thread-level)))
7940 (gnus-summary-article-number)
7943 (defun gnus-summary-next-thread (n &optional silent)
7944 "Go to the same level next N'th thread.
7945 If N is negative, search backward instead.
7946 Returns the difference between N and the number of skips actually
7949 If SILENT, don't output messages."
7951 (gnus-set-global-variables)
7952 (let ((backward (< n 0))
7955 (gnus-summary-go-to-next-thread backward))
7958 (gnus-summary-position-point))
7959 (when (and (not silent) (/= 0 n))
7960 (gnus-message 7 "No more threads"))
7963 (defun gnus-summary-prev-thread (n)
7964 "Go to the same level previous N'th thread.
7965 Returns the difference between N and the number of skips actually
7968 (gnus-set-global-variables)
7969 (gnus-summary-next-thread (- n)))
7971 (defun gnus-summary-go-down-thread ()
7972 "Go down one level in the current thread."
7973 (let ((children (gnus-summary-article-children)))
7975 (gnus-summary-goto-subject (car children)))))
7977 (defun gnus-summary-go-up-thread ()
7978 "Go up one level in the current thread."
7979 (let ((parent (gnus-summary-article-parent)))
7981 (gnus-summary-goto-subject parent))))
7983 (defun gnus-summary-down-thread (n)
7984 "Go down thread N steps.
7985 If N is negative, go up instead.
7986 Returns the difference between N and how many steps down that were
7989 (gnus-set-global-variables)
7993 (if up (gnus-summary-go-up-thread)
7994 (gnus-summary-go-down-thread)))
7996 (gnus-summary-position-point)
7998 (gnus-message 7 "Can't go further"))
8001 (defun gnus-summary-up-thread (n)
8002 "Go up thread N steps.
8003 If N is negative, go up instead.
8004 Returns the difference between N and how many steps down that were
8007 (gnus-set-global-variables)
8008 (gnus-summary-down-thread (- n)))
8010 (defun gnus-summary-top-thread ()
8011 "Go to the top of the thread."
8013 (gnus-set-global-variables)
8014 (while (gnus-summary-go-up-thread))
8015 (gnus-summary-article-number))
8017 (defun gnus-summary-kill-thread (&optional unmark)
8018 "Mark articles under current thread as read.
8019 If the prefix argument is positive, remove any kinds of marks.
8020 If the prefix argument is negative, tick articles instead."
8022 (gnus-set-global-variables)
8024 (setq unmark (prefix-numeric-value unmark)))
8025 (let ((articles (gnus-summary-articles-in-thread)))
8027 ;; Expand the thread.
8028 (gnus-summary-show-thread)
8029 ;; Mark all the articles.
8031 (gnus-summary-goto-subject (car articles))
8032 (cond ((null unmark)
8033 (gnus-summary-mark-article-as-read gnus-killed-mark))
8035 (gnus-summary-mark-article-as-unread gnus-unread-mark))
8037 (gnus-summary-mark-article-as-unread gnus-ticked-mark)))
8038 (setq articles (cdr articles))))
8039 ;; Hide killed subtrees.
8041 gnus-thread-hide-killed
8042 (gnus-summary-hide-thread))
8043 ;; If marked as read, go to next unread subject.
8045 ;; Go to next unread subject.
8046 (gnus-summary-next-subject 1 t)))
8047 (gnus-set-mode-line 'summary))
8049 ;; Summary sorting commands
8051 (defun gnus-summary-sort-by-number (&optional reverse)
8052 "Sort the summary buffer by article number.
8053 Argument REVERSE means reverse order."
8055 (gnus-summary-sort 'number reverse))
8057 (defun gnus-summary-sort-by-author (&optional reverse)
8058 "Sort the summary buffer by author name alphabetically.
8059 If case-fold-search is non-nil, case of letters is ignored.
8060 Argument REVERSE means reverse order."
8062 (gnus-summary-sort 'author reverse))
8064 (defun gnus-summary-sort-by-subject (&optional reverse)
8065 "Sort the summary buffer by subject alphabetically. `Re:'s are ignored.
8066 If case-fold-search is non-nil, case of letters is ignored.
8067 Argument REVERSE means reverse order."
8069 (gnus-summary-sort 'subject reverse))
8071 (defun gnus-summary-sort-by-date (&optional reverse)
8072 "Sort the summary buffer by date.
8073 Argument REVERSE means reverse order."
8075 (gnus-summary-sort 'date reverse))
8077 (defun gnus-summary-sort-by-score (&optional reverse)
8078 "Sort the summary buffer by score.
8079 Argument REVERSE means reverse order."
8081 (gnus-summary-sort 'score reverse))
8083 (defun gnus-summary-sort-by-lines (&optional reverse)
8084 "Sort the summary buffer by article length.
8085 Argument REVERSE means reverse order."
8087 (gnus-summary-sort 'lines reverse))
8089 (defun gnus-summary-sort (predicate reverse)
8090 "Sort summary buffer by PREDICATE. REVERSE means reverse order."
8091 (gnus-set-global-variables)
8092 (let* ((thread (intern (format "gnus-thread-sort-by-%s" predicate)))
8093 (article (intern (format "gnus-article-sort-by-%s" predicate)))
8094 (gnus-thread-sort-functions
8100 (gnus-article-sort-functions
8105 (,article t2 t1)))))
8107 (gnus-summary-prepare-hook nil))
8108 ;; We do the sorting by regenerating the threads.
8109 (gnus-summary-prepare)
8110 ;; Hide subthreads if needed.
8111 (when (and gnus-show-threads gnus-thread-hide-subtree)
8112 (gnus-summary-hide-all-threads))))
8114 ;; Summary saving commands.
8116 (defun gnus-summary-save-article (&optional n not-saved)
8117 "Save the current article using the default saver function.
8118 If N is a positive number, save the N next articles.
8119 If N is a negative number, save the N previous articles.
8120 If N is nil and any articles have been marked with the process mark,
8121 save those articles instead.
8122 The variable `gnus-default-article-saver' specifies the saver function."
8124 (gnus-set-global-variables)
8125 (let* ((articles (gnus-summary-work-articles n))
8126 (save-buffer (save-excursion
8127 (nnheader-set-temp-buffer " *Gnus Save*")))
8128 (num (length articles))
8129 header article file)
8131 (setq header (gnus-summary-article-header
8132 (setq article (pop articles))))
8133 (if (not (vectorp header))
8134 ;; This is a pseudo-article.
8135 (if (assq 'name header)
8136 (gnus-copy-file (cdr (assq 'name header)))
8137 (gnus-message 1 "Article %d is unsaveable" article))
8138 ;; This is a real article.
8139 (save-window-excursion
8140 (gnus-summary-select-article t nil nil article))
8142 (set-buffer save-buffer)
8144 (insert-buffer-substring gnus-original-article-buffer))
8145 (setq file (gnus-article-save save-buffer file num))
8146 (gnus-summary-remove-process-mark article)
8148 (gnus-summary-set-saved-mark article))))
8149 (gnus-kill-buffer save-buffer)
8150 (gnus-summary-position-point)
8151 (gnus-set-mode-line 'summary)
8154 (defun gnus-summary-pipe-output (&optional arg)
8155 "Pipe the current article to a subprocess.
8156 If N is a positive number, pipe the N next articles.
8157 If N is a negative number, pipe the N previous articles.
8158 If N is nil and any articles have been marked with the process mark,
8159 pipe those articles instead."
8161 (gnus-set-global-variables)
8162 (let ((gnus-default-article-saver 'gnus-summary-save-in-pipe))
8163 (gnus-summary-save-article arg t))
8164 (gnus-configure-windows 'pipe))
8166 (defun gnus-summary-save-article-mail (&optional arg)
8167 "Append the current article to an mail file.
8168 If N is a positive number, save the N next articles.
8169 If N is a negative number, save the N previous articles.
8170 If N is nil and any articles have been marked with the process mark,
8171 save those articles instead."
8173 (gnus-set-global-variables)
8174 (let ((gnus-default-article-saver 'gnus-summary-save-in-mail))
8175 (gnus-summary-save-article arg)))
8177 (defun gnus-summary-save-article-rmail (&optional arg)
8178 "Append the current article to an rmail file.
8179 If N is a positive number, save the N next articles.
8180 If N is a negative number, save the N previous articles.
8181 If N is nil and any articles have been marked with the process mark,
8182 save those articles instead."
8184 (gnus-set-global-variables)
8185 (let ((gnus-default-article-saver 'gnus-summary-save-in-rmail))
8186 (gnus-summary-save-article arg)))
8188 (defun gnus-summary-save-article-file (&optional arg)
8189 "Append the current article to a file.
8190 If N is a positive number, save the N next articles.
8191 If N is a negative number, save the N previous articles.
8192 If N is nil and any articles have been marked with the process mark,
8193 save those articles instead."
8195 (gnus-set-global-variables)
8196 (let ((gnus-default-article-saver 'gnus-summary-save-in-file))
8197 (gnus-summary-save-article arg)))
8199 (defun gnus-summary-write-article-file (&optional arg)
8200 "Write the current article to a file, deleting the previous file.
8201 If N is a positive number, save the N next articles.
8202 If N is a negative number, save the N previous articles.
8203 If N is nil and any articles have been marked with the process mark,
8204 save those articles instead."
8206 (gnus-set-global-variables)
8207 (let ((gnus-default-article-saver 'gnus-summary-write-to-file))
8208 (gnus-summary-save-article arg)))
8210 (defun gnus-summary-save-article-body-file (&optional arg)
8211 "Append the current article body to a file.
8212 If N is a positive number, save the N next articles.
8213 If N is a negative number, save the N previous articles.
8214 If N is nil and any articles have been marked with the process mark,
8215 save those articles instead."
8217 (gnus-set-global-variables)
8218 (let ((gnus-default-article-saver 'gnus-summary-save-body-in-file))
8219 (gnus-summary-save-article arg)))
8221 (defun gnus-summary-pipe-message (program)
8222 "Pipe the current article through PROGRAM."
8223 (interactive "sProgram: ")
8224 (gnus-set-global-variables)
8225 (gnus-summary-select-article)
8226 (let ((mail-header-separator "")
8227 (art-buf (get-buffer gnus-article-buffer)))
8228 (gnus-eval-in-buffer-window gnus-article-buffer
8231 (let ((start (window-start))
8233 (message-pipe-buffer-body program)
8234 (set-window-start (get-buffer-window (current-buffer)) start))))))
8236 (defun gnus-get-split-value (methods)
8237 "Return a value based on the split METHODS."
8238 (let (split-name method result match)
8241 (set-buffer gnus-original-article-buffer)
8243 (nnheader-narrow-to-headers)
8245 (goto-char (point-min))
8246 (setq method (pop methods))
8247 (setq match (car method))
8250 ;; Regular expression.
8252 (re-search-forward match nil t)))
8253 ((gnus-functionp match)
8257 (setq result (funcall match gnus-newsgroup-name))))
8262 (setq result (eval match)))))
8263 (setq split-name (append (cdr method) split-name))
8264 (cond ((stringp result)
8265 (push (expand-file-name
8266 result gnus-article-save-directory)
8269 (setq split-name (append result split-name)))))))))
8272 (defun gnus-valid-move-group-p (group)
8277 (car (gnus-find-method-for-group
8278 (symbol-name group))))
8279 gnus-valid-select-methods))))
8281 (defun gnus-read-move-group-name (prompt default articles prefix)
8282 "Read a group name."
8283 (let* ((split-name (gnus-get-split-value gnus-move-split-methods))
8284 (minibuffer-confirm-incomplete nil) ; XEmacs
8288 (if (> (length articles) 1)
8289 (format "these %d articles" (length articles))
8294 (gnus-completing-read default prom
8296 'gnus-valid-move-group-p
8298 'gnus-group-history))
8299 ((= 1 (length split-name))
8300 (gnus-completing-read (car split-name) prom
8302 'gnus-valid-move-group-p
8304 'gnus-group-history))
8306 (gnus-completing-read nil prom
8307 (mapcar (lambda (el) (list el))
8308 (nreverse split-name))
8310 'gnus-group-history)))))
8312 (if (or (string= to-newsgroup "")
8313 (string= to-newsgroup prefix))
8314 (setq to-newsgroup default))
8315 (unless to-newsgroup
8316 (error "No group name entered"))
8317 (or (gnus-active to-newsgroup)
8318 (gnus-activate-group to-newsgroup)
8319 (if (gnus-y-or-n-p (format "No such group: %s. Create it? "
8321 (or (and (gnus-request-create-group
8322 to-newsgroup (gnus-group-name-to-method to-newsgroup))
8323 (gnus-activate-group to-newsgroup nil nil
8324 (gnus-group-name-to-method
8326 (error "Couldn't create group %s" to-newsgroup)))
8327 (error "No such group: %s" to-newsgroup)))
8330 ;; Summary extract commands
8332 (defun gnus-summary-insert-pseudos (pslist &optional not-view)
8333 (let ((buffer-read-only nil)
8334 (article (gnus-summary-article-number))
8336 (unless (gnus-summary-goto-subject article)
8337 (error "No such article: %d" article))
8338 (gnus-summary-position-point)
8339 ;; If all commands are to be bunched up on one line, we collect
8341 (unless gnus-view-pseudos-separately
8342 (let ((ps (setq pslist (sort pslist 'gnus-pseudos<)))
8345 (setq action (cdr (assq 'action (car ps))))
8346 (setq files (list (cdr (assq 'name (car ps)))))
8347 (while (and ps (cdr ps)
8348 (string= (or action "1")
8349 (or (cdr (assq 'action (cadr ps))) "2")))
8350 (push (cdr (assq 'name (cadr ps))) files)
8351 (setcdr ps (cddr ps)))
8353 (when (not (string-match "%s" action))
8356 (when (assq 'execute (car ps))
8357 (setcdr (assq 'execute (car ps))
8358 (funcall (if (string-match "%s" action)
8365 (gnus-quote-arg-for-sh-or-csh f)))
8367 (setq ps (cdr ps)))))
8368 (if (and gnus-view-pseudos (not not-view))
8370 (when (assq 'execute (car pslist))
8371 (gnus-execute-command (cdr (assq 'execute (car pslist)))
8372 (eq gnus-view-pseudos 'not-confirm)))
8373 (setq pslist (cdr pslist)))
8376 (setq after-article (or (cdr (assq 'article (car pslist)))
8377 (gnus-summary-article-number)))
8378 (gnus-summary-goto-subject after-article)
8381 (insert " " (file-name-nondirectory
8382 (cdr (assq 'name (car pslist))))
8383 ": " (or (cdr (assq 'execute (car pslist))) "") "\n")
8385 (forward-line -1) ; back to `b'
8386 (gnus-add-text-properties
8387 b (1- e) (list 'gnus-number gnus-reffed-article-number
8388 gnus-mouse-face-prop gnus-mouse-face))
8390 after-article gnus-reffed-article-number
8391 gnus-unread-mark b (car pslist) 0 (- e b))
8392 (push gnus-reffed-article-number gnus-newsgroup-unreads)
8393 (setq gnus-reffed-article-number (1- gnus-reffed-article-number))
8394 (setq pslist (cdr pslist)))))))
8396 (defun gnus-pseudos< (p1 p2)
8397 (let ((c1 (cdr (assq 'action p1)))
8398 (c2 (cdr (assq 'action p2))))
8399 (and c1 c2 (string< c1 c2))))
8401 (defun gnus-request-pseudo-article (props)
8402 (cond ((assq 'execute props)
8403 (gnus-execute-command (cdr (assq 'execute props)))))
8404 (let ((gnus-current-article (gnus-summary-article-number)))
8405 (run-hooks 'gnus-mark-article-hook)))
8407 (defun gnus-execute-command (command &optional automatic)
8409 (gnus-article-setup-buffer)
8410 (set-buffer gnus-article-buffer)
8411 (setq buffer-read-only nil)
8412 (let ((command (if automatic command (read-string "Command: " command))))
8414 (insert "$ " command "\n\n")
8415 (if gnus-view-pseudo-asynchronously
8416 (start-process "gnus-execute" (current-buffer) shell-file-name
8417 shell-command-switch command)
8418 (call-process shell-file-name nil t nil
8419 shell-command-switch command)))))
8421 ;; Summary kill commands.
8423 (defun gnus-summary-edit-global-kill (article)
8424 "Edit the \"global\" kill file."
8425 (interactive (list (gnus-summary-article-number)))
8426 (gnus-set-global-variables)
8427 (gnus-group-edit-global-kill article))
8429 (defun gnus-summary-edit-local-kill ()
8430 "Edit a local kill file applied to the current newsgroup."
8432 (gnus-set-global-variables)
8433 (setq gnus-current-headers (gnus-summary-article-header))
8434 (gnus-set-global-variables)
8435 (gnus-group-edit-local-kill
8436 (gnus-summary-article-number) gnus-newsgroup-name))
8440 (defun gnus-read-header (id &optional header)
8441 "Read the headers of article ID and enter them into the Gnus system."
8442 (let ((group gnus-newsgroup-name)
8443 (gnus-override-method
8444 (and (gnus-news-group-p gnus-newsgroup-name)
8445 gnus-refer-article-method))
8447 ;; First we check to see whether the header in question is already
8450 ;; This is a Message-ID.
8451 (setq header (or header (gnus-id-to-header id)))
8452 ;; This is an article number.
8453 (setq header (or header (gnus-summary-article-header id))))
8455 (not (gnus-summary-article-sparse-p (mail-header-number header))))
8456 ;; We have found the header.
8458 ;; We have to really fetch the header to this article.
8460 (set-buffer nntp-server-buffer)
8461 (when (setq where (gnus-request-head id group))
8462 (nnheader-fold-continuation-lines)
8463 (goto-char (point-max))
8465 (goto-char (point-min))
8469 ((cdr where) (cdr where))
8470 (header (mail-header-number header))
8471 (t gnus-reffed-article-number))
8473 (insert " Article retrieved.\n"))
8475 (not (setq header (car (gnus-get-newsgroup-headers nil t)))))
8476 () ; Malformed head.
8477 (unless (gnus-summary-article-sparse-p (mail-header-number header))
8478 (when (and (stringp id)
8479 (not (string= (gnus-group-real-name group)
8481 ;; If we fetched by Message-ID and the article came
8482 ;; from a different group, we fudge some bogus article
8483 ;; numbers for this article.
8484 (mail-header-set-number header gnus-reffed-article-number))
8486 (set-buffer gnus-summary-buffer)
8487 (decf gnus-reffed-article-number)
8488 (gnus-remove-header (mail-header-number header))
8489 (push header gnus-newsgroup-headers)
8490 (setq gnus-current-headers header)
8491 (push (mail-header-number header) gnus-newsgroup-limit)))
8494 (defun gnus-remove-header (number)
8495 "Remove header NUMBER from `gnus-newsgroup-headers'."
8496 (if (and gnus-newsgroup-headers
8497 (= number (mail-header-number (car gnus-newsgroup-headers))))
8498 (pop gnus-newsgroup-headers)
8499 (let ((headers gnus-newsgroup-headers))
8500 (while (and (cdr headers)
8501 (not (= number (mail-header-number (cadr headers)))))
8504 (setcdr headers (cddr headers))))))
8507 ;;; summary highlights
8510 (defun gnus-highlight-selected-summary ()
8511 ;; Added by Per Abrahamsen <amanda@iesd.auc.dk>.
8512 ;; Highlight selected article in summary buffer
8513 (when gnus-summary-selected-face
8515 (let* ((beg (progn (beginning-of-line) (point)))
8516 (end (progn (end-of-line) (point)))
8517 ;; Fix by Mike Dugan <dugan@bucrf16.bu.edu>.
8518 (from (if (get-text-property beg gnus-mouse-face-prop)
8520 (or (next-single-property-change
8521 beg gnus-mouse-face-prop nil end)
8526 (or (next-single-property-change
8527 from gnus-mouse-face-prop nil end)
8529 ;; If no mouse-face prop on line we will have to = from = end,
8530 ;; so we highlight the entire line instead.
8531 (when (= (+ to 2) from)
8534 (if gnus-newsgroup-selected-overlay
8535 ;; Move old overlay.
8537 gnus-newsgroup-selected-overlay from to (current-buffer))
8538 ;; Create new overlay.
8540 (setq gnus-newsgroup-selected-overlay (gnus-make-overlay from to))
8541 'face gnus-summary-selected-face))))))
8543 ;; New implementation by Christian Limpach <Christian.Limpach@nice.ch>.
8544 (defun gnus-summary-highlight-line ()
8545 "Highlight current line according to `gnus-summary-highlight'."
8546 (let* ((list gnus-summary-highlight)
8548 (end (progn (end-of-line) (point)))
8549 ;; now find out where the line starts and leave point there.
8550 (beg (progn (beginning-of-line) (point)))
8551 (article (gnus-summary-article-number))
8552 (score (or (cdr (assq (or article gnus-current-article)
8553 gnus-newsgroup-scored))
8554 gnus-summary-default-score 0))
8555 (mark (or (gnus-summary-article-mark) gnus-unread-mark))
8556 (inhibit-read-only t))
8557 ;; Eval the cars of the lists until we find a match.
8558 (let ((default gnus-summary-default-score))
8560 (not (eval (caar list))))
8561 (setq list (cdr list))))
8562 (let ((face (cdar list)))
8563 (unless (eq face (get-text-property beg 'face))
8564 (gnus-put-text-property
8566 (setq face (if (boundp face) (symbol-value face) face)))
8567 (when gnus-summary-highlight-line-function
8568 (funcall gnus-summary-highlight-line-function article face))))
8571 (defun gnus-update-read-articles (group unread)
8572 "Update the list of read articles in GROUP."
8573 (let* ((active (or gnus-newsgroup-active (gnus-active group)))
8574 (entry (gnus-gethash group gnus-newsrc-hashtb))
8575 (info (nth 2 entry))
8577 (unread (sort (copy-sequence unread) '<))
8579 (if (or (not info) (not active))
8580 ;; There is no info on this group if it was, in fact,
8581 ;; killed. Gnus stores no information on killed groups, so
8582 ;; there's nothing to be done.
8583 ;; One could store the information somewhere temporarily,
8584 ;; perhaps... Hmmm...
8586 ;; Remove any negative articles numbers.
8587 (while (and unread (< (car unread) 0))
8588 (setq unread (cdr unread)))
8589 ;; Remove any expired article numbers
8590 (while (and unread (< (car unread) (car active)))
8591 (setq unread (cdr unread)))
8592 ;; Compute the ranges of read articles by looking at the list of
8595 (when (/= (car unread) prev)
8596 (push (if (= prev (1- (car unread))) prev
8597 (cons prev (1- (car unread))))
8599 (setq prev (1+ (car unread)))
8600 (setq unread (cdr unread)))
8601 (when (<= prev (cdr active))
8602 (push (cons prev (cdr active)) read))
8604 (set-buffer gnus-group-buffer)
8607 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
8608 (gnus-info-set-read ',info ',(gnus-info-read info))
8609 (gnus-get-unread-articles-in-group ',info (gnus-active ,group))
8610 (gnus-group-update-group ,group t))))
8611 ;; Enter this list into the group info.
8613 info (if (> (length read) 1) (nreverse read) read))
8614 ;; Set the number of unread articles in gnus-newsrc-hashtb.
8615 (gnus-get-unread-articles-in-group info (gnus-active group))
8618 (defun gnus-offer-save-summaries ()
8619 "Offer to save all active summary buffers."
8621 (let ((buflist (buffer-list))
8623 ;; Go through all buffers and find all summaries.
8625 (and (setq bufname (buffer-name (car buflist)))
8626 (string-match "Summary" bufname)
8628 (set-buffer bufname)
8629 ;; We check that this is, indeed, a summary buffer.
8630 (and (eq major-mode 'gnus-summary-mode)
8631 ;; Also make sure this isn't bogus.
8632 gnus-newsgroup-prepared
8633 ;; Also make sure that this isn't a dead summary buffer.
8634 (not gnus-dead-summary-mode)))
8635 (push bufname buffers))
8636 (setq buflist (cdr buflist)))
8637 ;; Go through all these summary buffers and offer to save them.
8640 "Update summary buffer %s? "
8641 (lambda (buf) (switch-to-buffer buf) (gnus-summary-exit))
8646 (run-hooks 'gnus-sum-load-hook)
8648 ;;; gnus-sum.el ends here