1 ;;; gnus-group.el --- group mode commands for Gnus
2 ;; Copyright (C) 1996, 1997, 1998, 1999, 2000
3 ;; Free Software Foundation, Inc.
5 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
8 ;; This file is part of GNU Emacs.
10 ;; GNU Emacs is free software; you can redistribute it and/or modify
11 ;; it under the terms of the GNU General Public License as published by
12 ;; the Free Software Foundation; either version 2, or (at your option)
15 ;; GNU Emacs is distributed in the hope that it will be useful,
16 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 ;; GNU General Public License for more details.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
29 (eval-when-compile (require 'cl))
41 (defcustom gnus-group-archive-directory
42 "*ftp@ftp.hpc.uh.edu:/pub/emacs/ding-list/"
43 "*The address of the (ding) archives."
44 :group 'gnus-group-foreign
47 (defcustom gnus-group-recent-archive-directory
48 "*ftp@ftp.hpc.uh.edu:/pub/emacs/ding-list-recent/"
49 "*The address of the most recent (ding) articles."
50 :group 'gnus-group-foreign
53 (defcustom gnus-no-groups-message "No gnus is bad news"
54 "*Message displayed by Gnus when no groups are available."
58 (defcustom gnus-keep-same-level nil
59 "*Non-nil means that the next newsgroup after the current will be on the same level.
60 When you type, for instance, `n' after reading the last article in the
61 current newsgroup, you will go to the next newsgroup. If this variable
62 is nil, the next newsgroup will be the next from the group
64 If this variable is non-nil, Gnus will either put you in the
65 next newsgroup with the same level, or, if no such newsgroup is
66 available, the next newsgroup with the lowest possible level higher
67 than the current level.
68 If this variable is `best', Gnus will make the next newsgroup the one
70 :group 'gnus-group-levels
71 :type '(choice (const nil)
73 (sexp :tag "other" t)))
75 (defcustom gnus-group-goto-unread t
76 "*If non-nil, movement commands will go to the next unread and subscribed group."
77 :link '(custom-manual "(gnus)Group Maneuvering")
78 :group 'gnus-group-various
81 (defcustom gnus-goto-next-group-when-activating t
82 "*If non-nil, the \\<gnus-group-mode-map>\\[gnus-group-get-new-news-this-group] command will advance point to the next group."
83 :link '(custom-manual "(gnus)Scanning New Messages")
84 :group 'gnus-group-various
87 (defcustom gnus-permanently-visible-groups nil
88 "*Regexp to match groups that should always be listed in the group buffer.
89 This means that they will still be listed even when there are no
90 unread articles in the groups.
92 If nil, no groups are permanently visible."
93 :group 'gnus-group-listing
94 :type '(choice regexp (const nil)))
96 (defcustom gnus-list-groups-with-ticked-articles t
97 "*If non-nil, list groups that have only ticked articles.
98 If nil, only list groups that have unread articles."
99 :group 'gnus-group-listing
102 (defcustom gnus-group-default-list-level gnus-level-subscribed
103 "*Default listing level.
104 Ignored if `gnus-group-use-permanent-levels' is non-nil."
105 :group 'gnus-group-listing
108 (defcustom gnus-group-list-inactive-groups t
109 "*If non-nil, inactive groups will be listed."
110 :group 'gnus-group-listing
111 :group 'gnus-group-levels
114 (defcustom gnus-group-sort-function 'gnus-group-sort-by-alphabet
115 "*Function used for sorting the group buffer.
116 This function will be called with group info entries as the arguments
117 for the groups to be sorted. Pre-made functions include
118 `gnus-group-sort-by-alphabet', `gnus-group-sort-by-real-name',
119 `gnus-group-sort-by-unread', `gnus-group-sort-by-level',
120 `gnus-group-sort-by-score', `gnus-group-sort-by-method', and
121 `gnus-group-sort-by-rank'.
123 This variable can also be a list of sorting functions. In that case,
124 the most significant sort function should be the last function in the
126 :group 'gnus-group-listing
127 :link '(custom-manual "(gnus)Sorting Groups")
128 :type '(radio (function-item gnus-group-sort-by-alphabet)
129 (function-item gnus-group-sort-by-real-name)
130 (function-item gnus-group-sort-by-unread)
131 (function-item gnus-group-sort-by-level)
132 (function-item gnus-group-sort-by-score)
133 (function-item gnus-group-sort-by-method)
134 (function-item gnus-group-sort-by-rank)
135 (function :tag "other" nil)))
137 (defcustom gnus-group-line-format "%M\%S\%p\%P\%5y: %(%g%)%l\n"
138 "*Format of group lines.
139 It works along the same lines as a normal formatting string,
140 with some simple extensions.
142 %M Only marked articles (character, \"*\" or \" \")
143 %S Whether the group is subscribed (character, \"U\", \"K\", \"Z\" or \" \")
144 %L Level of subscribedness (integer)
145 %N Number of unread articles (integer)
146 %I Number of dormant articles (integer)
147 %i Number of ticked and dormant (integer)
148 %T Number of ticked articles (integer)
149 %R Number of read articles (integer)
150 %t Estimated total number of articles (integer)
151 %y Number of unread, unticked articles (integer)
152 %G Group name (string)
153 %g Qualified group name (string)
154 %D Group description (string)
155 %s Select method (string)
156 %o Moderated group (char, \"m\")
157 %p Process mark (char)
158 %O Moderated group (string, \"(m)\" or \"\")
159 %P Topic indentation (string)
160 %m Whether there is new(ish) mail in the group (char, \"%\")
161 %l Whether there are GroupLens predictions for this group (string)
162 %n Select from where (string)
163 %z A string that look like `<%s:%n>' if a foreign select method is used
164 %d The date the group was last entered.
165 %E Icon as defined by `gnus-group-icon-list'.
166 %u User defined specifier. The next character in the format string should
167 be a letter. Gnus will call the function gnus-user-format-function-X,
168 where X is the letter following %u. The function will be passed the
169 current header as argument. The function should return a string, which
170 will be inserted into the buffer just like information from any other
173 Text between %( and %) will be highlighted with `gnus-mouse-face' when
174 the mouse point move inside the area. There can only be one such area.
176 Note that this format specification is not always respected. For
177 reasons of efficiency, when listing killed groups, this specification
178 is ignored altogether. If the spec is changed considerably, your
179 output may end up looking strange when listing both alive and killed
182 If you use %o or %O, reading the active file will be slower and quite
183 a bit of extra memory will be used. %D will also worsen performance.
184 Also note that if you change the format specification to include any
185 of these specs, you must probably re-start Gnus to see them go into
187 :group 'gnus-group-visual
190 (defcustom gnus-group-mode-line-format "Gnus: %%b {%M\%:%S}"
191 "*The format specification for the group mode line.
192 It works along the same lines as a normal formatting string,
193 with some simple extensions:
195 %S The native news server.
196 %M The native select method.
197 %: \":\" if %S isn't \"\"."
198 :group 'gnus-group-visual
201 (defcustom gnus-group-mode-hook nil
202 "Hook for Gnus group mode."
203 :group 'gnus-group-various
204 :options '(gnus-topic-mode)
207 (defcustom gnus-group-menu-hook nil
208 "Hook run after the creation of the group mode menu."
209 :group 'gnus-group-various
212 (defcustom gnus-group-catchup-group-hook nil
213 "Hook run when catching up a group from the group buffer."
214 :group 'gnus-group-various
215 :link '(custom-manual "(gnus)Group Data")
218 (defcustom gnus-group-update-group-hook nil
219 "Hook called when updating group lines."
220 :group 'gnus-group-visual
223 (defcustom gnus-group-prepare-function 'gnus-group-prepare-flat
224 "*A function that is called to generate the group buffer.
225 The function is called with three arguments: The first is a number;
226 all group with a level less or equal to that number should be listed,
227 if the second is non-nil, empty groups should also be displayed. If
228 the third is non-nil, it is a number. No groups with a level lower
229 than this number should be displayed.
231 The only current function implemented is `gnus-group-prepare-flat'."
232 :group 'gnus-group-listing
235 (defcustom gnus-group-prepare-hook nil
236 "Hook called after the group buffer has been generated.
237 If you want to modify the group buffer, you can use this hook."
238 :group 'gnus-group-listing
241 (defcustom gnus-suspend-gnus-hook nil
242 "Hook called when suspending (not exiting) Gnus."
246 (defcustom gnus-exit-gnus-hook nil
247 "Hook called when exiting Gnus."
251 (defcustom gnus-after-exiting-gnus-hook nil
252 "Hook called after exiting Gnus."
256 (defcustom gnus-group-update-hook '(gnus-group-highlight-line)
257 "Hook called when a group line is changed.
258 The hook will not be called if `gnus-visual' is nil.
260 The default function `gnus-group-highlight-line' will
261 highlight the line according to the `gnus-group-highlight'
263 :group 'gnus-group-visual
266 (defcustom gnus-useful-groups
267 '(("(ding) mailing list mirrored at sunsite.auc.dk"
269 (nntp "sunsite.auc.dk"
270 (nntp-address "sunsite.auc.dk")))
273 (nndir "/ftp@ftp.ifi.uio.no:/pub/emacs/gnus/gnus-bug/"))
277 (nndoc-article-type mbox)
278 (eval `(nndoc-address
279 ,(let ((file (nnheader-find-etc-directory
282 (error "Couldn't find doc group"))
284 "*Alist of useful group-server pairs."
285 :group 'gnus-group-listing
286 :type '(repeat (list (string :tag "Description")
288 (sexp :tag "Method"))))
290 (defcustom gnus-group-highlight
292 ((and (= unread 0) (not mailp) (eq level 1)) .
293 gnus-group-news-1-empty-face)
294 ((and (not mailp) (eq level 1)) .
295 gnus-group-news-1-face)
296 ((and (= unread 0) (not mailp) (eq level 2)) .
297 gnus-group-news-2-empty-face)
298 ((and (not mailp) (eq level 2)) .
299 gnus-group-news-2-face)
300 ((and (= unread 0) (not mailp) (eq level 3)) .
301 gnus-group-news-3-empty-face)
302 ((and (not mailp) (eq level 3)) .
303 gnus-group-news-3-face)
304 ((and (= unread 0) (not mailp) (eq level 4)) .
305 gnus-group-news-4-empty-face)
306 ((and (not mailp) (eq level 4)) .
307 gnus-group-news-4-face)
308 ((and (= unread 0) (not mailp) (eq level 5)) .
309 gnus-group-news-5-empty-face)
310 ((and (not mailp) (eq level 5)) .
311 gnus-group-news-5-face)
312 ((and (= unread 0) (not mailp) (eq level 6)) .
313 gnus-group-news-6-empty-face)
314 ((and (not mailp) (eq level 6)) .
315 gnus-group-news-6-face)
316 ((and (= unread 0) (not mailp)) .
317 gnus-group-news-low-empty-face)
319 gnus-group-news-low-face)
321 ((and (= unread 0) (eq level 1)) .
322 gnus-group-mail-1-empty-face)
324 gnus-group-mail-1-face)
325 ((and (= unread 0) (eq level 2)) .
326 gnus-group-mail-2-empty-face)
328 gnus-group-mail-2-face)
329 ((and (= unread 0) (eq level 3)) .
330 gnus-group-mail-3-empty-face)
332 gnus-group-mail-3-face)
334 gnus-group-mail-low-empty-face)
336 gnus-group-mail-low-face))
337 "*Controls the highlighting of group buffer lines.
339 Below is a list of `Form'/`Face' pairs. When deciding how a a
340 particular group line should be displayed, each form is
341 evaluated. The content of the face field after the first true form is
342 used. You can change how those group lines are displayed by
343 editing the face field.
345 It is also possible to change and add form fields, but currently that
346 requires an understanding of Lisp expressions. Hopefully this will
347 change in a future release. For now, you can use the following
348 variables in the Lisp expression:
350 group: The name of the group.
351 unread: The number of unread articles in the group.
352 method: The select method used.
353 mailp: Whether it's a mail group or not.
354 level: The level of the group.
355 score: The score of the group.
356 ticked: The number of ticked articles."
357 :group 'gnus-group-visual
358 :type '(repeat (cons (sexp :tag "Form") face)))
360 (defcustom gnus-new-mail-mark ?%
361 "Mark used for groups with new mail."
362 :group 'gnus-group-visual
365 (defgroup gnus-group-icons nil
366 "Add Icons to your group buffer. "
367 :group 'gnus-group-visual)
369 (defcustom gnus-group-icon-list
371 "*Controls the insertion of icons into group buffer lines.
373 Below is a list of `Form'/`File' pairs. When deciding how a
374 particular group line should be displayed, each form is evaluated.
375 The icon from the file field after the first true form is used. You
376 can change how those group lines are displayed by editing the file
377 field. The File will either be found in the
378 `gnus-group-glyph-directory' or by designating absolute path to the
381 It is also possible to change and add form fields, but currently that
382 requires an understanding of Lisp expressions. Hopefully this will
383 change in a future release. For now, you can use the following
384 variables in the Lisp expression:
386 group: The name of the group.
387 unread: The number of unread articles in the group.
388 method: The select method used.
389 mailp: Whether it's a mail group or not.
390 newsp: Whether it's a news group or not
391 level: The level of the group.
392 score: The score of the group.
393 ticked: The number of ticked articles."
394 :group 'gnus-group-icons
395 :type '(repeat (cons (sexp :tag "Form") file)))
397 (defcustom gnus-group-name-charset-method-alist nil
398 "*Alist of method and the charset for group names.
401 (((nntp \"news.com.cn\") . cn-gb-2312))
405 :type '(repeat (cons (sexp :tag "Method") (symbol :tag "Charset"))))
407 (defcustom gnus-group-name-charset-group-alist nil
408 "*Alist of group regexp and the charset for group names.
411 ((\"\\.com\\.cn:\" . cn-gb-2312))
414 :type '(repeat (cons (regexp :tag "Group") (symbol :tag "Charset"))))
416 (defcustom gnus-group-jump-to-group-prompt nil
417 "Default prompt for `gnus-group-jump-to-group'.
418 If non-nil, the value should be a string, e.g. \"nnml:\",
419 in which case `gnus-group-jump-to-group' offers \"Group: nnml:\"
420 in the minibuffer prompt."
421 :group 'gnus-group-various
422 :type '(choice (string :tag "Prompt string")
423 (const :tag "Empty" nil)))
425 ;;; Internal variables
427 (defvar gnus-group-sort-alist-function 'gnus-group-sort-flat
428 "Function for sorting the group buffer.")
430 (defvar gnus-group-sort-selected-function 'gnus-group-sort-selected-flat
431 "Function for sorting the selected groups in the group buffer.")
433 (defvar gnus-group-indentation-function nil)
434 (defvar gnus-goto-missing-group-function nil)
435 (defvar gnus-group-update-group-function nil)
436 (defvar gnus-group-goto-next-group-function nil
437 "Function to override finding the next group after listing groups.")
439 (defvar gnus-group-edit-buffer nil)
441 (defvar gnus-group-line-format-alist
442 `((?M gnus-tmp-marked-mark ?c)
443 (?S gnus-tmp-subscribed ?c)
444 (?L gnus-tmp-level ?d)
445 (?N (cond ((eq number t) "*" )
449 (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked)))
450 (gnus-range-length (cdr (assq 'tick gnus-tmp-marked))))))
452 (?R gnus-tmp-number-of-read ?s)
453 (?t gnus-tmp-number-total ?d)
454 (?y gnus-tmp-number-of-unread ?s)
455 (?I (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked))) ?d)
456 (?T (gnus-range-length (cdr (assq 'tick gnus-tmp-marked))) ?d)
457 (?i (+ (gnus-range-length (cdr (assq 'dormant gnus-tmp-marked)))
458 (gnus-range-length (cdr (assq 'tick gnus-tmp-marked)))) ?d)
459 (?g gnus-tmp-group ?s)
460 (?G gnus-tmp-qualified-group ?s)
461 (?c (gnus-short-group-name gnus-tmp-group) ?s)
462 (?D gnus-tmp-newsgroup-description ?s)
463 (?o gnus-tmp-moderated ?c)
464 (?O gnus-tmp-moderated-string ?s)
465 (?p gnus-tmp-process-marked ?c)
466 (?s gnus-tmp-news-server ?s)
467 (?n gnus-tmp-news-method ?s)
468 (?P gnus-group-indentation ?s)
469 (?E gnus-tmp-group-icon ?s)
470 (?l gnus-tmp-grouplens ?s)
471 (?z gnus-tmp-news-method-string ?s)
472 (?m (gnus-group-new-mail gnus-tmp-group) ?c)
473 (?d (gnus-group-timestamp-string gnus-tmp-group) ?s)
474 (?u gnus-tmp-user-defined ?s)))
476 (defvar gnus-group-mode-line-format-alist
477 `((?S gnus-tmp-news-server ?s)
478 (?M gnus-tmp-news-method ?s)
479 (?u gnus-tmp-user-defined ?s)
480 (?: gnus-tmp-colon ?s)))
482 (defvar gnus-topic-topology nil
483 "The complete topic hierarchy.")
485 (defvar gnus-topic-alist nil
486 "The complete topic-group alist.")
488 (defvar gnus-group-marked nil)
490 (defvar gnus-group-list-mode nil)
493 (defvar gnus-group-icon-cache nil)
495 (defvar gnus-group-listed-groups nil)
496 (defvar gnus-group-list-option nil)
502 (put 'gnus-group-mode 'mode-class 'special)
505 (gnus-define-keys gnus-group-mode-map
506 " " gnus-group-read-group
507 "=" gnus-group-select-group
508 "\r" gnus-group-select-group
509 "\M-\r" gnus-group-quick-select-group
510 "\M- " gnus-group-visible-select-group
511 [(meta control return)] gnus-group-select-group-ephemerally
512 "j" gnus-group-jump-to-group
513 "n" gnus-group-next-unread-group
514 "p" gnus-group-prev-unread-group
515 "\177" gnus-group-prev-unread-group
516 [delete] gnus-group-prev-unread-group
517 [backspace] gnus-group-prev-unread-group
518 "N" gnus-group-next-group
519 "P" gnus-group-prev-group
520 "\M-n" gnus-group-next-unread-group-same-level
521 "\M-p" gnus-group-prev-unread-group-same-level
522 "," gnus-group-best-unread-group
523 "." gnus-group-first-unread-group
524 "u" gnus-group-unsubscribe-current-group
525 "U" gnus-group-unsubscribe-group
526 "c" gnus-group-catchup-current
527 "C" gnus-group-catchup-current-all
528 "\M-c" gnus-group-clear-data
529 "l" gnus-group-list-groups
530 "L" gnus-group-list-all-groups
532 "g" gnus-group-get-new-news
533 "\M-g" gnus-group-get-new-news-this-group
534 "R" gnus-group-restart
535 "r" gnus-group-read-init-file
536 "B" gnus-group-browse-foreign-server
537 "b" gnus-group-check-bogus-groups
538 "F" gnus-group-find-new-groups
539 "\C-c\C-d" gnus-group-describe-group
540 "\M-d" gnus-group-describe-all-groups
541 "\C-c\C-a" gnus-group-apropos
542 "\C-c\M-\C-a" gnus-group-description-apropos
543 "a" gnus-group-post-news
544 "\ek" gnus-group-edit-local-kill
545 "\eK" gnus-group-edit-global-kill
546 "\C-k" gnus-group-kill-group
547 "\C-y" gnus-group-yank-group
548 "\C-w" gnus-group-kill-region
549 "\C-x\C-t" gnus-group-transpose-groups
550 "\C-c\C-l" gnus-group-list-killed
551 "\C-c\C-x" gnus-group-expire-articles
552 "\C-c\M-\C-x" gnus-group-expire-all-groups
554 "s" gnus-group-save-newsrc
555 "z" gnus-group-suspend
558 "?" gnus-group-describe-briefly
559 "\C-c\C-i" gnus-info-find-node
560 "\M-e" gnus-group-edit-group-method
561 "^" gnus-group-enter-server-mode
562 gnus-mouse-2 gnus-mouse-pick-group
563 "<" beginning-of-buffer
566 "\C-c\C-s" gnus-group-sort-groups
568 "\C-c\M-g" gnus-activate-all-groups
569 "\M-&" gnus-group-universal-argument
570 "#" gnus-group-mark-group
571 "\M-#" gnus-group-unmark-group)
573 (gnus-define-keys (gnus-group-mark-map "M" gnus-group-mode-map)
574 "m" gnus-group-mark-group
575 "u" gnus-group-unmark-group
576 "w" gnus-group-mark-region
577 "b" gnus-group-mark-buffer
578 "r" gnus-group-mark-regexp
579 "U" gnus-group-unmark-all-groups)
581 (gnus-define-keys (gnus-group-group-map "G" gnus-group-mode-map)
582 "d" gnus-group-make-directory-group
583 "h" gnus-group-make-help-group
584 "u" gnus-group-make-useful-group
585 "a" gnus-group-make-archive-group
586 "k" gnus-group-make-kiboze-group
587 "l" gnus-group-nnimap-edit-acl
588 "m" gnus-group-make-group
589 "E" gnus-group-edit-group
590 "e" gnus-group-edit-group-method
591 "p" gnus-group-edit-group-parameters
592 "v" gnus-group-add-to-virtual
593 "V" gnus-group-make-empty-virtual
594 "D" gnus-group-enter-directory
595 "f" gnus-group-make-doc-group
596 "w" gnus-group-make-web-group
597 "r" gnus-group-rename-group
598 "c" gnus-group-customize
599 "x" gnus-group-nnimap-expunge
600 "\177" gnus-group-delete-group
601 [delete] gnus-group-delete-group)
603 (gnus-define-keys (gnus-group-soup-map "s" gnus-group-group-map)
604 "b" gnus-group-brew-soup
605 "w" gnus-soup-save-areas
606 "s" gnus-soup-send-replies
607 "p" gnus-soup-pack-packet
608 "r" nnsoup-pack-replies)
610 (gnus-define-keys (gnus-group-sort-map "S" gnus-group-group-map)
611 "s" gnus-group-sort-groups
612 "a" gnus-group-sort-groups-by-alphabet
613 "u" gnus-group-sort-groups-by-unread
614 "l" gnus-group-sort-groups-by-level
615 "v" gnus-group-sort-groups-by-score
616 "r" gnus-group-sort-groups-by-rank
617 "m" gnus-group-sort-groups-by-method)
619 (gnus-define-keys (gnus-group-sort-selected-map "P" gnus-group-group-map)
620 "s" gnus-group-sort-selected-groups
621 "a" gnus-group-sort-selected-groups-by-alphabet
622 "u" gnus-group-sort-selected-groups-by-unread
623 "l" gnus-group-sort-selected-groups-by-level
624 "v" gnus-group-sort-selected-groups-by-score
625 "r" gnus-group-sort-selected-groups-by-rank
626 "m" gnus-group-sort-selected-groups-by-method)
628 (gnus-define-keys (gnus-group-list-map "A" gnus-group-mode-map)
629 "k" gnus-group-list-killed
630 "z" gnus-group-list-zombies
631 "s" gnus-group-list-groups
632 "u" gnus-group-list-all-groups
633 "A" gnus-group-list-active
634 "a" gnus-group-apropos
635 "d" gnus-group-description-apropos
636 "m" gnus-group-list-matching
637 "M" gnus-group-list-all-matching
638 "l" gnus-group-list-level
639 "c" gnus-group-list-cached
640 "?" gnus-group-list-dormant)
642 (gnus-define-keys (gnus-group-list-limit-map "/" gnus-group-list-map)
643 "k" gnus-group-list-limit
644 "z" gnus-group-list-limit
645 "s" gnus-group-list-limit
646 "u" gnus-group-list-limit
647 "A" gnus-group-list-limit
648 "m" gnus-group-list-limit
649 "M" gnus-group-list-limit
650 "l" gnus-group-list-limit
651 "c" gnus-group-list-limit
652 "?" gnus-group-list-limit)
654 (gnus-define-keys (gnus-group-list-flush-map "f" gnus-group-list-map)
655 "k" gnus-group-list-flush
656 "z" gnus-group-list-flush
657 "s" gnus-group-list-flush
658 "u" gnus-group-list-flush
659 "A" gnus-group-list-flush
660 "m" gnus-group-list-flush
661 "M" gnus-group-list-flush
662 "l" gnus-group-list-flush
663 "c" gnus-group-list-flush
664 "?" gnus-group-list-flush)
666 (gnus-define-keys (gnus-group-list-plus-map "p" gnus-group-list-map)
667 "k" gnus-group-list-plus
668 "z" gnus-group-list-plus
669 "s" gnus-group-list-plus
670 "u" gnus-group-list-plus
671 "A" gnus-group-list-plus
672 "m" gnus-group-list-plus
673 "M" gnus-group-list-plus
674 "l" gnus-group-list-plus
675 "c" gnus-group-list-plus
676 "?" gnus-group-list-plus)
678 (gnus-define-keys (gnus-group-score-map "W" gnus-group-mode-map)
679 "f" gnus-score-flush-cache)
681 (gnus-define-keys (gnus-group-help-map "H" gnus-group-mode-map)
682 "d" gnus-group-describe-group
683 "f" gnus-group-fetch-faq
686 (gnus-define-keys (gnus-group-sub-map "S" gnus-group-mode-map)
687 "l" gnus-group-set-current-level
688 "t" gnus-group-unsubscribe-current-group
689 "s" gnus-group-unsubscribe-group
690 "k" gnus-group-kill-group
691 "y" gnus-group-yank-group
692 "w" gnus-group-kill-region
693 "\C-k" gnus-group-kill-level
694 "z" gnus-group-kill-all-zombies))
696 (defun gnus-group-make-menu-bar ()
697 (gnus-turn-off-edit-menu 'group)
698 (unless (boundp 'gnus-group-reading-menu)
701 gnus-group-reading-menu gnus-group-mode-map ""
703 ["Read" gnus-group-read-group (gnus-group-group-name)]
704 ["Select" gnus-group-select-group (gnus-group-group-name)]
705 ["See old articles" (gnus-group-select-group 'all)
706 :keys "C-u SPC" :active (gnus-group-group-name)]
707 ["Catch up" gnus-group-catchup-current :active (gnus-group-group-name)
708 ;;:help "Mark unread articles in the current group as read"
710 ["Catch up all articles" gnus-group-catchup-current-all
711 (gnus-group-group-name)]
712 ["Check for new articles" gnus-group-get-new-news-this-group
713 :active (gnus-group-group-name)
714 ;;:help "Check for new messages in current group"
716 ["Toggle subscription" gnus-group-unsubscribe-current-group
717 (gnus-group-group-name)]
718 ["Kill" gnus-group-kill-group :active (gnus-group-group-name)
719 ;;:help "Kill (remove) current group"
721 ["Yank" gnus-group-yank-group gnus-list-of-killed-groups]
722 ["Describe" gnus-group-describe-group :active (gnus-group-group-name)
723 ;;:help "Display description of the current group"
725 ["Fetch FAQ" gnus-group-fetch-faq (gnus-group-group-name)]
726 ;; Actually one should check, if any of the marked groups gives t for
727 ;; (gnus-check-backend-function 'request-expire-articles ...)
728 ["Expire articles" gnus-group-expire-articles
729 (or (and (gnus-group-group-name)
730 (gnus-check-backend-function
731 'request-expire-articles
732 (gnus-group-group-name))) gnus-group-marked)]
733 ["Set group level" gnus-group-set-current-level
734 (gnus-group-group-name)]
735 ["Select quick" gnus-group-quick-select-group (gnus-group-group-name)]
736 ["Customize" gnus-group-customize (gnus-group-group-name)]
738 ["Parameters" gnus-group-edit-group-parameters
739 (gnus-group-group-name)]
740 ["Select method" gnus-group-edit-group-method
741 (gnus-group-group-name)]
742 ["Info" gnus-group-edit-group (gnus-group-group-name)]
743 ["Local kill file" gnus-group-edit-local-kill (gnus-group-group-name)]
744 ["Global kill file" gnus-group-edit-global-kill t])))
747 gnus-group-group-menu gnus-group-mode-map ""
750 ["List unread subscribed groups" gnus-group-list-groups t]
751 ["List (un)subscribed groups" gnus-group-list-all-groups t]
752 ["List killed groups" gnus-group-list-killed gnus-killed-list]
753 ["List zombie groups" gnus-group-list-zombies gnus-zombie-list]
754 ["List level..." gnus-group-list-level t]
755 ["Describe all groups" gnus-group-describe-all-groups t]
756 ["Group apropos..." gnus-group-apropos t]
757 ["Group and description apropos..." gnus-group-description-apropos t]
758 ["List groups matching..." gnus-group-list-matching t]
759 ["List all groups matching..." gnus-group-list-all-matching t]
760 ["List active file" gnus-group-list-active t]
761 ["List groups with cached" gnus-group-list-cached t]
762 ["List groups with dormant" gnus-group-list-dormant t])
764 ["Default sort" gnus-group-sort-groups t]
765 ["Sort by method" gnus-group-sort-groups-by-method t]
766 ["Sort by rank" gnus-group-sort-groups-by-rank t]
767 ["Sort by score" gnus-group-sort-groups-by-score t]
768 ["Sort by level" gnus-group-sort-groups-by-level t]
769 ["Sort by unread" gnus-group-sort-groups-by-unread t]
770 ["Sort by name" gnus-group-sort-groups-by-alphabet t])
771 ("Sort process/prefixed"
772 ["Default sort" gnus-group-sort-selected-groups
773 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
774 ["Sort by method" gnus-group-sort-selected-groups-by-method
775 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
776 ["Sort by rank" gnus-group-sort-selected-groups-by-rank
777 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
778 ["Sort by score" gnus-group-sort-selected-groups-by-score
779 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
780 ["Sort by level" gnus-group-sort-selected-groups-by-level
781 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
782 ["Sort by unread" gnus-group-sort-selected-groups-by-unread
783 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))]
784 ["Sort by name" gnus-group-sort-selected-groups-by-alphabet
785 (or (not (boundp 'gnus-topic-mode)) (not gnus-topic-mode))])
787 ["Mark group" gnus-group-mark-group
788 (and (gnus-group-group-name)
789 (not (memq (gnus-group-group-name) gnus-group-marked)))]
790 ["Unmark group" gnus-group-unmark-group
791 (and (gnus-group-group-name)
792 (memq (gnus-group-group-name) gnus-group-marked))]
793 ["Unmark all" gnus-group-unmark-all-groups gnus-group-marked]
794 ["Mark regexp..." gnus-group-mark-regexp t]
795 ["Mark region" gnus-group-mark-region t]
796 ["Mark buffer" gnus-group-mark-buffer t]
797 ["Execute command" gnus-group-universal-argument
798 (or gnus-group-marked (gnus-group-group-name))])
800 ["Subscribe to a group" gnus-group-unsubscribe-group t]
801 ["Kill all newsgroups in region" gnus-group-kill-region t]
802 ["Kill all zombie groups" gnus-group-kill-all-zombies
804 ["Kill all groups on level..." gnus-group-kill-level t])
806 ["Make a foreign group" gnus-group-make-group t]
807 ["Add a directory group" gnus-group-make-directory-group t]
808 ["Add the help group" gnus-group-make-help-group t]
809 ["Add the archive group" gnus-group-make-archive-group t]
810 ["Make a doc group" gnus-group-make-doc-group t]
811 ["Make a web group" gnus-group-make-web-group t]
812 ["Make a kiboze group" gnus-group-make-kiboze-group t]
813 ["Make a virtual group" gnus-group-make-empty-virtual t]
814 ["Add a group to a virtual" gnus-group-add-to-virtual t]
815 ["Rename group" gnus-group-rename-group
816 (gnus-check-backend-function
817 'request-rename-group (gnus-group-group-name))]
818 ["Delete group" gnus-group-delete-group
819 (gnus-check-backend-function
820 'request-delete-group (gnus-group-group-name))])
822 ["Next" gnus-group-next-group t]
823 ["Previous" gnus-group-prev-group t]
824 ["Next unread" gnus-group-next-unread-group t]
825 ["Previous unread" gnus-group-prev-unread-group t]
826 ["Next unread same level" gnus-group-next-unread-group-same-level t]
827 ["Previous unread same level"
828 gnus-group-prev-unread-group-same-level t]
829 ["Jump to group" gnus-group-jump-to-group t]
830 ["First unread group" gnus-group-first-unread-group t]
831 ["Best unread group" gnus-group-best-unread-group t])
832 ["Delete bogus groups" gnus-group-check-bogus-groups t]
833 ["Find new newsgroups" gnus-group-find-new-groups t]
834 ["Transpose" gnus-group-transpose-groups
835 (gnus-group-group-name)]
836 ["Read a directory as a group..." gnus-group-enter-directory t]))
839 gnus-group-misc-menu gnus-group-mode-map ""
842 ["Pack replies" nnsoup-pack-replies (fboundp 'nnsoup-request-group)]
843 ["Send replies" gnus-soup-send-replies
844 (fboundp 'gnus-soup-pack-packet)]
845 ["Pack packet" gnus-soup-pack-packet (fboundp 'gnus-soup-pack-packet)]
846 ["Save areas" gnus-soup-save-areas (fboundp 'gnus-soup-pack-packet)]
847 ["Brew SOUP" gnus-group-brew-soup (fboundp 'gnus-soup-pack-packet)])
848 ["Send a mail" gnus-group-mail t]
849 ["Post an article..." gnus-group-post-news t]
850 ["Check for new news" gnus-group-get-new-news
851 ;;:help "Get newly arrived articles"
853 ["Activate all groups" gnus-activate-all-groups t]
854 ["Restart Gnus" gnus-group-restart t]
855 ["Read init file" gnus-group-read-init-file t]
856 ["Browse foreign server" gnus-group-browse-foreign-server t]
857 ["Enter server buffer" gnus-group-enter-server-mode t]
858 ["Expire all expirable articles" gnus-group-expire-all-groups t]
859 ["Generate any kiboze groups" nnkiboze-generate-groups t]
860 ["Gnus version" gnus-version t]
861 ["Save .newsrc files" gnus-group-save-newsrc t]
862 ["Suspend Gnus" gnus-group-suspend t]
863 ["Clear dribble buffer" gnus-group-clear-dribble t]
864 ["Read manual" gnus-info-find-node t]
865 ["Flush score cache" gnus-score-flush-cache t]
866 ["Toggle topics" gnus-topic-mode t]
867 ["Send a bug report" gnus-bug t]
868 ["Exit from Gnus" gnus-group-exit
869 ;;:help "Quit reading news"
871 ["Exit without saving" gnus-group-quit t]))
873 (gnus-run-hooks 'gnus-group-menu-hook)))
875 (defvar gnus-group-toolbar-map nil)
877 ;; Emacs 21 tool bar. Should be no-op otherwise.
878 (defun gnus-group-make-tool-bar ()
879 (if (and (fboundp 'tool-bar-add-item-from-menu)
880 (default-value 'tool-bar-mode)
881 (not gnus-group-toolbar-map))
882 (setq gnus-group-toolbar-map
883 (let ((tool-bar-map (make-sparse-keymap)))
884 (tool-bar-add-item-from-menu
885 'gnus-group-get-new-news "get-news" gnus-group-mode-map)
886 (tool-bar-add-item-from-menu
887 'gnus-group-get-new-news-this-group "gnntg" gnus-group-mode-map)
888 (tool-bar-add-item-from-menu
889 'gnus-group-catchup-current "catchup" gnus-group-mode-map)
890 (tool-bar-add-item-from-menu
891 'gnus-group-describe-group "describe-group" gnus-group-mode-map)
892 (tool-bar-add-item "subscribe" 'gnus-group-subscribe 'subscribe
893 :help "Subscribe to the current group")
894 (tool-bar-add-item "unsubscribe" 'gnus-group-unsubscribe
896 :help "Unsubscribe from the current group")
897 (tool-bar-add-item-from-menu
898 'gnus-group-exit "exit-gnus" gnus-group-mode-map)
900 (if gnus-group-toolbar-map
901 (set (make-local-variable 'tool-bar-map) gnus-group-toolbar-map)))
903 (defun gnus-group-mode ()
904 "Major mode for reading news.
906 All normal editing commands are switched off.
907 \\<gnus-group-mode-map>
908 The group buffer lists (some of) the groups available. For instance,
909 `\\[gnus-group-list-groups]' will list all subscribed groups with unread articles, while `\\[gnus-group-list-zombies]'
910 lists all zombie groups.
912 Groups that are displayed can be entered with `\\[gnus-group-read-group]'. To subscribe
913 to a group not displayed, type `\\[gnus-group-unsubscribe-group]'.
915 For more in-depth information on this mode, read the manual (`\\[gnus-info-find-node]').
917 The following commands are available:
919 \\{gnus-group-mode-map}"
921 (kill-all-local-variables)
922 (when (gnus-visual-p 'group-menu 'menu)
923 (gnus-group-make-menu-bar)
924 (gnus-group-make-tool-bar))
925 (gnus-simplify-mode-line)
926 (setq major-mode 'gnus-group-mode)
927 (setq mode-name "Group")
928 (gnus-group-set-mode-line)
929 (setq mode-line-process nil)
930 (use-local-map gnus-group-mode-map)
931 (buffer-disable-undo)
932 (setq truncate-lines t)
933 (setq buffer-read-only t)
934 (gnus-set-default-directory)
935 (gnus-update-format-specifications nil 'group 'group-mode)
936 (gnus-update-group-mark-positions)
941 (gnus-run-hooks 'gnus-group-mode-hook))
943 (defun gnus-update-group-mark-positions ()
945 (let ((gnus-process-mark ?\200)
946 (gnus-group-marked '("dummy.group"))
947 (gnus-active-hashtb (make-vector 10 0))
949 (gnus-set-active "dummy.group" '(0 . 0))
950 (gnus-set-work-buffer)
951 (gnus-group-insert-group-line "dummy.group" 0 nil 0 nil)
952 (goto-char (point-min))
953 (setq gnus-group-mark-positions
954 (list (cons 'process (and (search-forward "\200" nil t)
957 (defun gnus-mouse-pick-group (e)
958 "Enter the group under the mouse pointer."
961 (gnus-group-read-group nil))
963 ;; Look at LEVEL and find out what the level is really supposed to be.
964 ;; If LEVEL is non-nil, LEVEL will be returned, if not, what happens
965 ;; will depend on whether `gnus-group-use-permanent-levels' is used.
966 (defun gnus-group-default-level (&optional level number-or-nil)
968 (gnus-group-use-permanent-levels
969 (or (setq gnus-group-use-permanent-levels
970 (or level (if (numberp gnus-group-use-permanent-levels)
971 gnus-group-use-permanent-levels
972 (or gnus-group-default-list-level
973 gnus-level-subscribed))))
974 gnus-group-default-list-level gnus-level-subscribed))
978 (or level gnus-group-default-list-level gnus-level-subscribed))))
980 (defun gnus-group-setup-buffer ()
981 (set-buffer (gnus-get-buffer-create gnus-group-buffer))
982 (unless (eq major-mode 'gnus-group-mode)
985 (gnus-carpal-setup-buffer 'group))))
987 (defsubst gnus-group-name-charset (method group)
989 (setq method (gnus-find-method-for-group group)))
990 (let ((item (assoc method gnus-group-name-charset-method-alist))
991 (alist gnus-group-name-charset-group-alist)
995 (while (setq item (pop alist))
996 (if (string-match (car item) group)
1001 (defsubst gnus-group-name-decode (string charset)
1002 (if (and string charset (featurep 'mule))
1003 (mm-decode-coding-string string charset)
1006 (defun gnus-group-decoded-name (string)
1007 (let ((charset (gnus-group-name-charset nil string)))
1008 (gnus-group-name-decode string charset)))
1010 (defun gnus-group-list-groups (&optional level unread lowest)
1011 "List newsgroups with level LEVEL or lower that have unread articles.
1012 Default is all subscribed groups.
1013 If argument UNREAD is non-nil, groups with no unread articles are also
1016 Also see the `gnus-group-use-permanent-levels' variable."
1018 (list (if current-prefix-arg
1019 (prefix-numeric-value current-prefix-arg)
1021 (gnus-group-default-level nil t)
1022 gnus-group-default-list-level
1023 gnus-level-subscribed))))
1025 (setq level (car gnus-group-list-mode)
1026 unread (cdr gnus-group-list-mode)))
1027 (setq level (gnus-group-default-level level))
1028 (gnus-group-setup-buffer)
1029 (gnus-update-format-specifications nil 'group 'group-mode)
1030 (let ((case-fold-search nil)
1031 (props (text-properties-at (gnus-point-at-bol)))
1032 (empty (= (point-min) (point-max)))
1033 (group (gnus-group-group-name))
1035 (set-buffer gnus-group-buffer)
1036 (setq number (funcall gnus-group-prepare-function level unread lowest))
1037 (when (or (and (numberp number)
1039 (zerop (buffer-size)))
1040 ;; No groups in the buffer.
1041 (gnus-message 5 gnus-no-groups-message))
1042 ;; We have some groups displayed.
1043 (goto-char (point-max))
1044 (when (or (not gnus-group-goto-next-group-function)
1045 (not (funcall gnus-group-goto-next-group-function
1049 (goto-char (point-min)))
1051 ;; Go to the first group with unread articles.
1052 (gnus-group-search-forward t))
1054 ;; Find the right group to put point on. If the current group
1055 ;; has disappeared in the new listing, try to find the next
1056 ;; one. If no next one can be found, just leave point at the
1057 ;; first newsgroup in the buffer.
1058 (when (not (gnus-goto-char
1060 (point-min) (point-max)
1061 'gnus-group (gnus-intern-safe
1062 group gnus-active-hashtb))))
1063 (let ((newsrc (cdddr (gnus-gethash group gnus-newsrc-hashtb))))
1065 (not (gnus-goto-char
1067 (point-min) (point-max) 'gnus-group
1069 (caar newsrc) gnus-active-hashtb)))))
1070 (setq newsrc (cdr newsrc)))
1072 (goto-char (point-max))
1073 (forward-line -1)))))))
1074 ;; Adjust cursor point.
1075 (gnus-group-position-point)))
1077 (defun gnus-group-list-level (level &optional all)
1078 "List groups on LEVEL.
1079 If ALL (the prefix), also list groups that have no unread articles."
1080 (interactive "nList groups on level: \nP")
1081 (gnus-group-list-groups level all level))
1083 (defun gnus-group-prepare-logic (group test)
1084 (or (and gnus-group-listed-groups
1085 (null gnus-group-list-option)
1086 (member group gnus-group-listed-groups))
1088 ((null gnus-group-listed-groups) test)
1089 ((null gnus-group-list-option) test)
1090 (t (and (member group gnus-group-listed-groups)
1091 (if (eq gnus-group-list-option 'flush)
1095 (defun gnus-group-prepare-flat (level &optional predicate lowest regexp)
1096 "List all newsgroups with unread articles of level LEVEL or lower.
1097 If PREDICATE is a function, list groups that the function returns non-nil;
1098 if it is t, list groups that have no unread articles.
1099 If LOWEST is non-nil, list all newsgroups of level LOWEST or higher.
1100 If REGEXP is a function, list dead groups that the function returns non-nil;
1101 if it is a string, only list groups matching REGEXP."
1102 (set-buffer gnus-group-buffer)
1103 (let ((buffer-read-only nil)
1104 (newsrc (cdr gnus-newsrc-alist))
1105 (lowest (or lowest 1))
1106 (not-in-list (and gnus-group-listed-groups
1107 (copy-sequence gnus-group-listed-groups)))
1108 info clevel unread group params)
1110 (when (or (< lowest gnus-level-zombie)
1111 gnus-group-listed-groups)
1112 ;; List living groups.
1114 (setq info (car newsrc)
1115 group (gnus-info-group info)
1116 params (gnus-info-params info)
1118 unread (car (gnus-gethash group gnus-newsrc-hashtb)))
1120 (setq not-in-list (delete group not-in-list)))
1122 (gnus-group-prepare-logic
1124 (and unread ; This group might be unchecked
1125 (or (not (stringp regexp))
1126 (string-match regexp group))
1127 (<= (setq clevel (gnus-info-level info)) level)
1130 ((functionp predicate)
1131 (funcall predicate info))
1132 (predicate t) ; We list all groups?
1135 (if (eq unread t) ; Unactivated?
1136 gnus-group-list-inactive-groups
1137 ; We list unactivated
1139 ; We list groups with unread articles
1140 (and gnus-list-groups-with-ticked-articles
1141 (cdr (assq 'tick (gnus-info-marks info))))
1142 ; And groups with tickeds
1143 ;; Check for permanent visibility.
1144 (and gnus-permanently-visible-groups
1145 (string-match gnus-permanently-visible-groups group))
1146 (memq 'visible params)
1147 (cdr (assq 'visible params)))))))
1148 (gnus-group-insert-group-line
1149 group (gnus-info-level info)
1150 (gnus-info-marks info) unread (gnus-info-method info)))))
1152 ;; List dead groups.
1153 (if (or gnus-group-listed-groups
1154 (and (>= level gnus-level-zombie)
1155 (<= lowest gnus-level-zombie)))
1156 (gnus-group-prepare-flat-list-dead
1157 (setq gnus-zombie-list (sort gnus-zombie-list 'string<))
1158 gnus-level-zombie ?Z
1161 (dolist (group gnus-zombie-list)
1162 (setq not-in-list (delete group not-in-list))))
1163 (if (or gnus-group-listed-groups
1164 (and (>= level gnus-level-killed) (<= lowest gnus-level-killed)))
1165 (gnus-group-prepare-flat-list-dead
1168 (setq gnus-killed-list (sort gnus-killed-list 'string<)))
1169 gnus-level-killed ?K regexp))
1171 (gnus-group-set-mode-line)
1172 (setq gnus-group-list-mode (cons level predicate))
1173 (gnus-run-hooks 'gnus-group-prepare-hook)
1176 (defun gnus-group-prepare-flat-list-dead (groups level mark regexp)
1177 ;; List zombies and killed lists somewhat faster, which was
1178 ;; suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>. It does
1179 ;; this by ignoring the group format specification altogether.
1182 (setq group (pop groups))
1183 (when (gnus-group-prepare-logic
1186 (and (stringp regexp) (string-match regexp group))
1187 (and (functionp regexp) (funcall regexp group))))
1188 ;;; (gnus-add-text-properties
1189 ;;; (point) (prog1 (1+ (point))
1190 ;;; (insert " " mark " *: "
1191 ;;; (gnus-group-name-decode group
1192 ;;; (gnus-group-name-charset
1195 ;;; (list 'gnus-group (gnus-intern-safe group gnus-active-hashtb)
1197 ;;; 'gnus-level level))
1198 (gnus-group-insert-group-line
1200 (let ((active (gnus-active group)))
1202 (if (zerop (cdr active))
1204 (- (1+ (cdr active)) (car active)))
1206 (gnus-method-simplify (gnus-find-method-for-group group)))))))
1208 (defun gnus-group-update-group-line ()
1209 "Update the current line in the group buffer."
1210 (let* ((buffer-read-only nil)
1211 (group (gnus-group-group-name))
1212 (entry (and group (gnus-gethash group gnus-newsrc-hashtb)))
1213 gnus-group-indentation)
1216 (not (gnus-ephemeral-group-p group))
1218 (concat "(gnus-group-set-info '"
1219 (gnus-prin1-to-string (nth 2 entry))
1221 (setq gnus-group-indentation (gnus-group-group-indentation))
1223 (gnus-group-insert-group-line-info group)
1225 (gnus-group-position-point))))
1227 (defun gnus-group-insert-group-line-info (group)
1228 "Insert GROUP on the current line."
1229 (let ((entry (gnus-gethash group gnus-newsrc-hashtb))
1230 (gnus-group-indentation (gnus-group-group-indentation))
1234 ;; (Un)subscribed group.
1235 (setq info (nth 2 entry))
1236 (gnus-group-insert-group-line
1237 group (gnus-info-level info) (gnus-info-marks info)
1238 (or (car entry) t) (gnus-info-method info)))
1239 ;; This group is dead.
1240 (gnus-group-insert-group-line
1242 (if (member group gnus-zombie-list) gnus-level-zombie gnus-level-killed)
1244 (if (setq active (gnus-active group))
1245 (if (zerop (cdr active))
1247 (- (1+ (cdr active)) (car active)))
1249 (gnus-method-simplify (gnus-find-method-for-group group))))))
1251 (defun gnus-group-insert-group-line (gnus-tmp-group gnus-tmp-level
1252 gnus-tmp-marked number
1254 "Insert a group line in the group buffer."
1255 (let* ((gnus-tmp-method
1256 (gnus-server-get-method gnus-tmp-group gnus-tmp-method))
1257 (group-name-charset (gnus-group-name-charset gnus-tmp-method
1259 (gnus-tmp-active (gnus-active gnus-tmp-group))
1260 (gnus-tmp-number-total
1262 (1+ (- (cdr gnus-tmp-active) (car gnus-tmp-active)))
1264 (gnus-tmp-number-of-unread
1265 (if (numberp number) (int-to-string (max 0 number))
1267 (gnus-tmp-number-of-read
1268 (if (numberp number)
1269 (int-to-string (max 0 (- gnus-tmp-number-total number)))
1271 (gnus-tmp-subscribed
1272 (cond ((<= gnus-tmp-level gnus-level-subscribed) ? )
1273 ((<= gnus-tmp-level gnus-level-unsubscribed) ?U)
1274 ((= gnus-tmp-level gnus-level-zombie) ?Z)
1276 (gnus-tmp-qualified-group
1277 (gnus-group-name-decode (gnus-group-real-name gnus-tmp-group)
1278 group-name-charset))
1279 (gnus-tmp-newsgroup-description
1280 (if gnus-description-hashtb
1281 (or (gnus-group-name-decode
1282 (gnus-gethash gnus-tmp-group gnus-description-hashtb)
1283 group-name-charset) "")
1286 (if (and gnus-moderated-hashtb
1287 (gnus-gethash gnus-tmp-group gnus-moderated-hashtb))
1289 (gnus-tmp-moderated-string
1290 (if (eq gnus-tmp-moderated ?m) "(m)" ""))
1291 (gnus-tmp-group-icon "==&&==")
1292 (gnus-tmp-news-server (or (cadr gnus-tmp-method) ""))
1293 (gnus-tmp-news-method (or (car gnus-tmp-method) ""))
1294 (gnus-tmp-news-method-string
1296 (format "(%s:%s)" (car gnus-tmp-method)
1297 (cadr gnus-tmp-method)) ""))
1298 (gnus-tmp-marked-mark
1299 (if (and (numberp number)
1301 (cdr (assq 'tick gnus-tmp-marked)))
1303 (gnus-tmp-process-marked
1304 (if (member gnus-tmp-group gnus-group-marked)
1305 gnus-process-mark ? ))
1307 (or (and gnus-use-grouplens
1308 (bbb-grouplens-group-p gnus-tmp-group))
1310 (buffer-read-only nil)
1311 header gnus-tmp-header) ; passed as parameter to user-funcs.
1313 (gnus-add-text-properties
1317 (eval gnus-group-line-format-spec))
1318 `(gnus-group ,(gnus-intern-safe gnus-tmp-group gnus-active-hashtb)
1319 gnus-unread ,(if (numberp number)
1320 (string-to-int gnus-tmp-number-of-unread)
1322 gnus-marked ,gnus-tmp-marked-mark
1323 gnus-indentation ,gnus-group-indentation
1324 gnus-level ,gnus-tmp-level))
1326 (when (inline (gnus-visual-p 'group-highlight 'highlight))
1327 (gnus-run-hooks 'gnus-group-update-hook))
1329 ;; Allow XEmacs to remove front-sticky text properties.
1330 (gnus-group-remove-excess-properties)))
1332 (defun gnus-group-highlight-line ()
1333 "Highlight the current line according to `gnus-group-highlight'."
1334 (let* ((list gnus-group-highlight)
1336 (end (progn (end-of-line) (point)))
1337 ;; now find out where the line starts and leave point there.
1338 (beg (progn (beginning-of-line) (point)))
1339 (group (gnus-group-group-name))
1340 (entry (gnus-group-entry group))
1341 (unread (if (numberp (car entry)) (car entry) 0))
1342 (active (gnus-active group))
1343 (total (if active (1+ (- (cdr active) (car active))) 0))
1344 (info (nth 2 entry))
1345 (method (gnus-server-get-method group (gnus-info-method info)))
1346 (marked (gnus-info-marks info))
1347 (mailp (memq 'mail (assoc (symbol-name
1348 (car (or method gnus-select-method)))
1349 gnus-valid-select-methods)))
1350 (level (or (gnus-info-level info) gnus-level-killed))
1351 (score (or (gnus-info-score info) 0))
1352 (ticked (gnus-range-length (cdr (assq 'tick marked))))
1353 (group-age (gnus-group-timestamp-delta group))
1354 (inhibit-read-only t))
1355 ;; Eval the cars of the lists until we find a match.
1357 (not (eval (caar list))))
1358 (setq list (cdr list)))
1359 (let ((face (cdar list)))
1360 (unless (eq face (get-text-property beg 'face))
1361 (gnus-put-text-property-excluding-characters-with-faces
1363 (setq face (if (boundp face) (symbol-value face) face)))
1364 (gnus-extent-start-open beg)))
1367 (defun gnus-group-update-group (group &optional visible-only)
1368 "Update all lines where GROUP appear.
1369 If VISIBLE-ONLY is non-nil, the group won't be displayed if it isn't
1371 ;; Can't use `save-excursion' here, so we do it manually.
1372 (let ((buf (current-buffer))
1374 (set-buffer gnus-group-buffer)
1375 (setq mark (point-marker))
1376 ;; The buffer may be narrowed.
1379 (let ((ident (gnus-intern-safe group gnus-active-hashtb))
1381 found buffer-read-only)
1382 ;; Enter the current status into the dribble buffer.
1383 (let ((entry (gnus-gethash group gnus-newsrc-hashtb)))
1385 (not (gnus-ephemeral-group-p group)))
1387 (concat "(gnus-group-set-info '"
1388 (gnus-prin1-to-string (nth 2 entry))
1390 ;; Find all group instances. If topics are in use, each group
1391 ;; may be listed in more than once.
1392 (while (setq loc (text-property-any
1393 loc (point-max) 'gnus-group ident))
1396 (let ((gnus-group-indentation (gnus-group-group-indentation)))
1398 (gnus-group-insert-group-line-info group)
1401 (gnus-run-hooks 'gnus-group-update-group-hook)))
1402 (setq loc (1+ loc)))
1403 (unless (or found visible-only)
1404 ;; No such line in the buffer, find out where it's supposed to
1405 ;; go, and insert it there (or at the end of the buffer).
1406 (if gnus-goto-missing-group-function
1407 (funcall gnus-goto-missing-group-function group)
1408 (let ((entry (cddr (gnus-gethash group gnus-newsrc-hashtb))))
1409 (while (and entry (car entry)
1413 (point-min) (point-max)
1414 'gnus-group (gnus-intern-safe
1415 (caar entry) gnus-active-hashtb)))))
1416 (setq entry (cdr entry)))
1417 (or entry (goto-char (point-max)))))
1418 ;; Finally insert the line.
1419 (let ((gnus-group-indentation (gnus-group-group-indentation)))
1420 (gnus-group-insert-group-line-info group)
1423 (gnus-run-hooks 'gnus-group-update-group-hook))))
1424 (when gnus-group-update-group-function
1425 (funcall gnus-group-update-group-function group))
1426 (gnus-group-set-mode-line)))
1428 (set-marker mark nil)
1431 (defun gnus-group-set-mode-line ()
1432 "Update the mode line in the group buffer."
1433 (when (memq 'group gnus-updated-mode-lines)
1434 ;; Yes, we want to keep this mode line updated.
1436 (set-buffer gnus-group-buffer)
1437 (let* ((gformat (or gnus-group-mode-line-format-spec
1438 (gnus-set-format 'group-mode)))
1439 (gnus-tmp-news-server (cadr gnus-select-method))
1440 (gnus-tmp-news-method (car gnus-select-method))
1441 (gnus-tmp-colon (if (equal gnus-tmp-news-server "") "" ":"))
1443 gnus-tmp-header ;Dummy binding for user-defined formats
1444 ;; Get the resulting string.
1446 (and gnus-dribble-buffer
1447 (buffer-name gnus-dribble-buffer)
1448 (buffer-modified-p gnus-dribble-buffer)
1450 (set-buffer gnus-dribble-buffer)
1451 (not (zerop (buffer-size))))))
1452 (mode-string (eval gformat)))
1453 ;; Say whether the dribble buffer has been modified.
1454 (setq mode-line-modified
1455 (if modified (car gnus-mode-line-modified)
1456 (cdr gnus-mode-line-modified)))
1457 ;; If the line is too long, we chop it off.
1458 (when (> (length mode-string) max-len)
1459 (setq mode-string (substring mode-string 0 (- max-len 4))))
1461 (setq mode-line-buffer-identification
1462 (gnus-mode-line-buffer-identification
1463 (list mode-string)))
1464 (set-buffer-modified-p modified))))))
1466 (defun gnus-group-group-name ()
1467 "Get the name of the newsgroup on the current line."
1468 (let ((group (get-text-property (gnus-point-at-bol) 'gnus-group)))
1470 (symbol-name group))))
1472 (defun gnus-group-group-level ()
1473 "Get the level of the newsgroup on the current line."
1474 (get-text-property (gnus-point-at-bol) 'gnus-level))
1476 (defun gnus-group-group-indentation ()
1477 "Get the indentation of the newsgroup on the current line."
1478 (or (get-text-property (gnus-point-at-bol) 'gnus-indentation)
1479 (and gnus-group-indentation-function
1480 (funcall gnus-group-indentation-function))
1483 (defun gnus-group-group-unread ()
1484 "Get the number of unread articles of the newsgroup on the current line."
1485 (get-text-property (gnus-point-at-bol) 'gnus-unread))
1487 (defun gnus-group-new-mail (group)
1488 (if (nnmail-new-mail-p (gnus-group-real-name group))
1492 (defun gnus-group-level (group)
1493 "Return the estimated level of GROUP."
1494 (or (gnus-info-level (gnus-get-info group))
1495 (and (member group gnus-zombie-list) gnus-level-zombie)
1498 (defun gnus-group-search-forward (&optional backward all level first-too)
1499 "Find the next newsgroup with unread articles.
1500 If BACKWARD is non-nil, find the previous newsgroup instead.
1501 If ALL is non-nil, just find any newsgroup.
1502 If LEVEL is non-nil, find group with level LEVEL, or higher if no such
1504 If FIRST-TOO, the current line is also eligible as a target."
1505 (let ((way (if backward -1 1))
1506 (low gnus-level-killed)
1509 (if (and backward (progn (beginning-of-line)) (bobp))
1518 (get-text-property (point) 'gnus-group)
1522 (get-text-property (point) 'gnus-unread)))
1523 (and (numberp unread) (> unread 0)))
1524 (setq lev (get-text-property (point)
1526 (<= lev gnus-level-subscribed)))
1528 (and (setq lev (get-text-property (point)
1537 (zerop (forward-line way)))))
1539 (progn (gnus-group-position-point) t)
1540 (goto-char (or pos beg))
1543 ;;; Gnus group mode commands
1547 (defun gnus-group-mark-line-p ()
1550 (forward-char (or (cdr (assq 'process gnus-group-mark-positions)) 2))
1551 (eq (char-after) gnus-process-mark)))
1553 (defun gnus-group-mark-group (n &optional unmark no-advance)
1554 "Mark the current group."
1556 (let ((buffer-read-only nil)
1560 (when (setq group (gnus-group-group-name))
1561 ;; Go to the mark position.
1563 (forward-char (or (cdr (assq 'process gnus-group-mark-positions)) 2))
1564 (subst-char-in-region
1565 (point) (1+ (point)) (char-after)
1568 (setq gnus-group-marked (delete group gnus-group-marked))
1570 (setq gnus-group-marked
1571 (cons group (delete group gnus-group-marked)))
1572 gnus-process-mark)))
1574 (gnus-group-next-group 1))
1576 (gnus-summary-position-point)
1579 (defun gnus-group-unmark-group (n)
1580 "Remove the mark from the current group."
1582 (gnus-group-mark-group n 'unmark)
1583 (gnus-group-position-point))
1585 (defun gnus-group-unmark-all-groups ()
1586 "Unmark all groups."
1588 (let ((groups gnus-group-marked))
1591 (gnus-group-remove-mark (pop groups)))))
1592 (gnus-group-position-point))
1594 (defun gnus-group-mark-region (unmark beg end)
1595 "Mark all groups between point and mark.
1596 If UNMARK, remove the mark instead."
1597 (interactive "P\nr")
1598 (let ((num (count-lines beg end)))
1601 (- num (gnus-group-mark-group num unmark)))))
1603 (defun gnus-group-mark-buffer (&optional unmark)
1604 "Mark all groups in the buffer.
1605 If UNMARK, remove the mark instead."
1607 (gnus-group-mark-region unmark (point-min) (point-max)))
1609 (defun gnus-group-mark-regexp (regexp)
1610 "Mark all groups that match some regexp."
1611 (interactive "sMark (regexp): ")
1612 (let ((alist (cdr gnus-newsrc-alist))
1615 (when (string-match regexp (setq group (gnus-info-group (pop alist))))
1616 (gnus-group-set-mark group))))
1617 (gnus-group-position-point))
1619 (defun gnus-group-remove-mark (group &optional test-marked)
1620 "Remove the process mark from GROUP and move point there.
1621 Return nil if the group isn't displayed."
1622 (if (gnus-group-goto-group group nil test-marked)
1624 (gnus-group-mark-group 1 'unmark t)
1626 (setq gnus-group-marked
1627 (delete group gnus-group-marked))
1630 (defun gnus-group-set-mark (group)
1631 "Set the process mark on GROUP."
1632 (if (gnus-group-goto-group group)
1634 (gnus-group-mark-group 1 nil t))
1635 (setq gnus-group-marked (cons group (delete group gnus-group-marked)))))
1637 (defun gnus-group-universal-argument (arg &optional groups func)
1638 "Perform any command on all groups according to the process/prefix convention."
1640 (if (eq (setq func (or func
1643 (substitute-command-keys
1644 "\\<gnus-group-mode-map>\\[gnus-group-universal-argument]")))))
1646 (gnus-error 1 "Undefined key")
1647 (gnus-group-iterate arg
1649 (command-execute func))))
1650 (gnus-group-position-point))
1652 (defun gnus-group-process-prefix (n)
1653 "Return a list of groups to work on.
1654 Take into consideration N (the prefix) and the list of marked groups."
1657 (setq n (prefix-numeric-value n))
1658 ;; There is a prefix, so we return a list of the N next
1660 (let ((way (if (< n 0) -1 1))
1665 (if (setq group (gnus-group-group-name))
1666 (push group groups))
1668 (gnus-group-next-group way)))
1670 ((gnus-region-active-p)
1671 ;; Work on the region between point and mark.
1672 (let ((max (max (point) (mark)))
1675 (goto-char (min (point) (mark)))
1678 (push (gnus-group-group-name) groups)
1679 (zerop (gnus-group-next-group 1))
1681 (nreverse groups))))
1683 ;; No prefix, but a list of marked articles.
1684 (reverse gnus-group-marked))
1686 ;; Neither marked articles or a prefix, so we return the
1688 (let ((group (gnus-group-group-name)))
1689 (and group (list group))))))
1691 ;;; !!!Surely gnus-group-iterate should be a macro instead? I can't
1692 ;;; imagine why I went through these contortions...
1694 (let ((function (make-symbol "gnus-group-iterate-function"))
1695 (window (make-symbol "gnus-group-iterate-window"))
1696 (groups (make-symbol "gnus-group-iterate-groups"))
1697 (group (make-symbol "gnus-group-iterate-group")))
1699 `(defun gnus-group-iterate (arg ,function)
1700 "Iterate FUNCTION over all process/prefixed groups.
1701 FUNCTION will be called with the group name as the parameter
1702 and with point over the group in question."
1703 (let ((,groups (gnus-group-process-prefix arg))
1704 (,window (selected-window))
1707 (setq ,group (car ,groups)
1708 ,groups (cdr ,groups))
1709 (select-window ,window)
1710 (gnus-group-remove-mark ,group)
1711 (save-selected-window
1713 (funcall ,function ,group)))))))))
1715 (put 'gnus-group-iterate 'lisp-indent-function 1)
1717 ;; Selecting groups.
1719 (defun gnus-group-read-group (&optional all no-article group select-articles)
1720 "Read news in this newsgroup.
1721 If the prefix argument ALL is non-nil, already read articles become
1722 readable. IF ALL is a number, fetch this number of articles. If the
1723 optional argument NO-ARTICLE is non-nil, no article will be
1724 auto-selected upon group entry. If GROUP is non-nil, fetch that
1727 (let ((no-display (eq all 0))
1728 (group (or group (gnus-group-group-name)))
1729 number active marked entry)
1733 (error "No group on current line"))
1734 (setq marked (gnus-info-marks
1735 (nth 2 (setq entry (gnus-gethash
1736 group gnus-newsrc-hashtb)))))
1737 ;; This group might be a dead group. In that case we have to get
1738 ;; the number of unread articles from `gnus-active-hashtb'.
1740 (cond ((numberp all) all)
1742 ((setq active (gnus-active group))
1743 (- (1+ (cdr active)) (car active)))))
1744 (gnus-summary-read-group
1745 group (or all (and (numberp number)
1746 (zerop (+ number (gnus-range-length
1747 (cdr (assq 'tick marked)))
1749 (cdr (assq 'dormant marked)))))))
1750 no-article nil no-display nil select-articles)))
1752 (defun gnus-group-select-group (&optional all)
1753 "Select this newsgroup.
1754 No article is selected automatically.
1755 If ALL is non-nil, already read articles become readable.
1756 If ALL is a number, fetch this number of articles."
1758 (gnus-group-read-group all t))
1760 (defun gnus-group-quick-select-group (&optional all)
1761 "Select the current group \"quickly\".
1762 This means that no highlighting or scoring will be performed.
1763 If ALL (the prefix argument) is 0, don't even generate the summary
1766 This might be useful if you want to toggle threading
1767 before entering the group."
1769 (require 'gnus-score)
1771 gnus-score-find-score-files-function
1772 gnus-home-score-file
1773 gnus-apply-kill-hook
1774 gnus-summary-expunge-below)
1775 (gnus-group-read-group all t)))
1777 (defun gnus-group-visible-select-group (&optional all)
1778 "Select the current group without hiding any articles."
1780 (let ((gnus-inhibit-limiting t))
1781 (gnus-group-read-group all t)))
1783 (defun gnus-group-select-group-ephemerally ()
1784 "Select the current group without doing any processing whatsoever.
1785 You will actually be entered into a group that's a copy of
1786 the current group; no changes you make while in this group will
1789 (require 'gnus-score)
1791 gnus-score-find-score-files-function gnus-apply-kill-hook
1792 gnus-summary-expunge-below gnus-show-threads gnus-suppress-duplicates
1793 gnus-summary-mode-hook gnus-select-group-hook
1794 (group (gnus-group-group-name))
1795 (method (gnus-find-method-for-group group)))
1796 (gnus-group-read-ephemeral-group
1797 (gnus-group-prefixed-name group method) method)))
1800 (defun gnus-fetch-group (group)
1801 "Start Gnus if necessary and enter GROUP.
1802 Returns whether the fetching was successful or not."
1803 (interactive (list (completing-read "Group name: " gnus-active-hashtb)))
1804 (unless (get-buffer gnus-group-buffer)
1806 (gnus-group-read-group nil nil group))
1809 (defun gnus-fetch-group-other-frame (group)
1810 "Pop up a frame and enter GROUP."
1812 (let ((window (get-buffer-window gnus-group-buffer)))
1814 (select-frame (window-frame window)))
1815 ((= (length (frame-list)) 1)
1816 (select-frame (make-frame)))
1819 (gnus-fetch-group group))
1821 (defvar gnus-ephemeral-group-server 0)
1823 ;; Enter a group that is not in the group buffer. Non-nil is returned
1824 ;; if selection was successful.
1825 (defun gnus-group-read-ephemeral-group (group method &optional activate
1826 quit-config request-only
1828 "Read GROUP from METHOD as an ephemeral group.
1829 If ACTIVATE, request the group first.
1830 If QUIT-CONFIG, use that window configuration when exiting from the
1832 If REQUEST-ONLY, don't actually read the group; just request it.
1833 If SELECT-ARTICLES, only select those articles.
1835 Return the name of the group if selection was successful."
1836 ;; Transform the select method into a unique server.
1837 (when (stringp method)
1838 (setq method (gnus-server-to-method method)))
1840 `(,(car method) ,(concat (cadr method) "-ephemeral")
1841 (,(intern (format "%s-address" (car method))) ,(cadr method))
1843 (let ((group (if (gnus-group-foreign-p group) group
1844 (gnus-group-prefixed-name group method))))
1848 ,gnus-level-default-subscribed nil nil ,method
1850 ,(if quit-config quit-config
1851 (cons gnus-summary-buffer
1852 gnus-current-window-configuration))))))
1854 (push method gnus-ephemeral-servers)
1855 (set-buffer gnus-group-buffer)
1856 (unless (gnus-check-server method)
1857 (error "Unable to contact server: %s" (gnus-status-message method)))
1859 (gnus-activate-group group 'scan)
1860 (unless (gnus-request-group group)
1861 (error "Couldn't request group: %s"
1862 (nnheader-get-report (car method)))))
1866 (when (gnus-group-read-group t t group select-articles)
1870 (message "Quit reading the ephemeral group")
1873 (defun gnus-group-jump-to-group (group)
1874 "Jump to newsgroup GROUP."
1876 (list (completing-read
1877 "Group: " gnus-active-hashtb nil
1878 (gnus-read-active-file-p)
1879 gnus-group-jump-to-group-prompt
1880 'gnus-group-history)))
1882 (when (equal group "")
1883 (error "Empty group name"))
1885 (unless (gnus-ephemeral-group-p group)
1886 ;; Either go to the line in the group buffer...
1887 (unless (gnus-group-goto-group group)
1888 ;; ... or insert the line.
1889 (gnus-group-update-group group)
1890 (gnus-group-goto-group group)))
1891 ;; Adjust cursor point.
1892 (gnus-group-position-point))
1894 (defun gnus-group-goto-group (group &optional far test-marked)
1895 "Goto to newsgroup GROUP.
1896 If FAR, it is likely that the group is not on the current line.
1897 If TEST-MARKED, the line must be marked."
1901 ;; It's quite likely that we are on the right line, so
1902 ;; we check the current line first.
1904 (eq (get-text-property (point) 'gnus-group)
1905 (gnus-intern-safe group gnus-active-hashtb))
1906 (or (not test-marked) (gnus-group-mark-line-p)))
1908 ;; Previous and next line are also likely, so we check them as well.
1912 (and (eq (get-text-property (point) 'gnus-group)
1913 (gnus-intern-safe group gnus-active-hashtb))
1914 (or (not test-marked) (gnus-group-mark-line-p)))))
1920 (and (eq (get-text-property (point) 'gnus-group)
1921 (gnus-intern-safe group gnus-active-hashtb))
1922 (or (not test-marked) (gnus-group-mark-line-p)))))
1926 (goto-char (point-min))
1928 (while (and (not found)
1933 (gnus-intern-safe group gnus-active-hashtb))))
1934 (if (gnus-group-mark-line-p)
1939 ;; Search through the entire buffer.
1942 (point-min) (point-max)
1943 'gnus-group (gnus-intern-safe group gnus-active-hashtb)))))))
1945 (defun gnus-group-next-group (n &optional silent)
1946 "Go to next N'th newsgroup.
1947 If N is negative, search backward instead.
1948 Returns the difference between N and the number of skips actually
1951 (gnus-group-next-unread-group n t nil silent))
1953 (defun gnus-group-next-unread-group (n &optional all level silent)
1954 "Go to next N'th unread newsgroup.
1955 If N is negative, search backward instead.
1956 If ALL is non-nil, choose any newsgroup, unread or not.
1957 If LEVEL is non-nil, choose the next group with level LEVEL, or, if no
1958 such group can be found, the next group with a level higher than
1960 Returns the difference between N and the number of skips actually
1963 (let ((backward (< n 0))
1966 (gnus-group-search-forward
1967 backward (or (not gnus-group-goto-unread) all) level))
1971 (gnus-message 7 "No more%s newsgroups%s" (if all "" " unread")
1972 (if level " on this level or higher" "")))
1975 (defun gnus-group-prev-group (n)
1976 "Go to previous N'th newsgroup.
1977 Returns the difference between N and the number of skips actually
1980 (gnus-group-next-unread-group (- n) t))
1982 (defun gnus-group-prev-unread-group (n)
1983 "Go to previous N'th unread newsgroup.
1984 Returns the difference between N and the number of skips actually
1987 (gnus-group-next-unread-group (- n)))
1989 (defun gnus-group-next-unread-group-same-level (n)
1990 "Go to next N'th unread newsgroup on the same level.
1991 If N is negative, search backward instead.
1992 Returns the difference between N and the number of skips actually
1995 (gnus-group-next-unread-group n t (gnus-group-group-level))
1996 (gnus-group-position-point))
1998 (defun gnus-group-prev-unread-group-same-level (n)
1999 "Go to next N'th unread newsgroup on the same level.
2000 Returns the difference between N and the number of skips actually
2003 (gnus-group-next-unread-group (- n) t (gnus-group-group-level))
2004 (gnus-group-position-point))
2006 (defun gnus-group-best-unread-group (&optional exclude-group)
2007 "Go to the group with the highest level.
2008 If EXCLUDE-GROUP, do not go to that group."
2010 (goto-char (point-min))
2014 (setq unread (get-text-property (point) 'gnus-unread))
2015 (when (and (numberp unread) (> unread 0))
2016 (when (and (get-text-property (point) 'gnus-level)
2017 (< (get-text-property (point) 'gnus-level) best)
2018 (or (not exclude-group)
2019 (not (equal exclude-group (gnus-group-group-name)))))
2020 (setq best (get-text-property (point) 'gnus-level))
2021 (setq best-point (point))))
2024 (goto-char best-point))
2025 (gnus-summary-position-point)
2026 (and best-point (gnus-group-group-name))))
2028 (defun gnus-group-first-unread-group ()
2029 "Go to the first group with unread articles."
2032 (let ((opoint (point))
2034 (goto-char (point-min))
2035 (if (or (eq (setq unread (gnus-group-group-unread)) t) ; Not active.
2036 (and (numberp unread) ; Not a topic.
2037 (not (zerop unread))) ; Has unread articles.
2038 (zerop (gnus-group-next-unread-group 1))) ; Next unread group.
2041 nil)) ; Not success.
2042 (gnus-group-position-point)))
2044 (defun gnus-group-enter-server-mode ()
2045 "Jump to the server buffer."
2047 (gnus-enter-server-buffer))
2049 (defun gnus-group-make-group (name &optional method address args)
2050 "Add a new newsgroup.
2051 The user will be prompted for a NAME, for a select METHOD, and an
2055 (gnus-read-group "Group name: ")
2056 (gnus-read-method "From method: ")))
2058 (when (stringp method)
2059 (setq method (or (gnus-server-to-method method) method)))
2060 (let* ((meth (gnus-method-simplify
2062 (not (gnus-server-equal method gnus-select-method)))
2063 (if address (list (intern method) address)
2065 (nname (if method (gnus-group-prefixed-name name meth) name))
2067 (when (gnus-gethash nname gnus-newsrc-hashtb)
2068 (error "Group %s already exists" nname))
2069 ;; Subscribe to the new group.
2070 (gnus-group-change-level
2071 (setq info (list t nname gnus-level-default-subscribed nil nil meth))
2072 gnus-level-default-subscribed gnus-level-killed
2073 (and (gnus-group-group-name)
2074 (gnus-gethash (gnus-group-group-name)
2075 gnus-newsrc-hashtb))
2078 (gnus-set-active nname (cons 1 0))
2079 (unless (gnus-ephemeral-group-p name)
2081 (concat "(gnus-group-set-info '"
2082 (gnus-prin1-to-string (cdr info)) ")")))
2084 (gnus-group-insert-group-line-info nname)
2086 (gnus-group-position-point)
2088 ;; Load the backend and try to make the backend create
2089 ;; the group as well.
2090 (when (assoc (symbol-name (setq backend (car (gnus-server-get-method
2092 gnus-valid-select-methods)
2094 (gnus-check-server meth)
2095 (when (gnus-check-backend-function 'request-create-group nname)
2096 (gnus-request-create-group nname nil args))
2099 (defun gnus-group-delete-groups (&optional arg)
2100 "Delete the current group. Only meaningful with editable groups."
2102 (let ((n (length (gnus-group-process-prefix arg))))
2103 (when (gnus-yes-or-no-p
2105 "Delete this 1 group? "
2106 (format "Delete these %d groups? " n)))
2107 (gnus-group-iterate arg
2109 (gnus-group-delete-group group nil t))))))
2111 (defun gnus-group-delete-group (group &optional force no-prompt)
2112 "Delete the current group. Only meaningful with editable groups.
2113 If FORCE (the prefix) is non-nil, all the articles in the group will
2114 be deleted. This is \"deleted\" as in \"removed forever from the face
2115 of the Earth\". There is no undo. The user will be prompted before
2116 doing the deletion."
2118 (list (gnus-group-group-name)
2119 current-prefix-arg))
2121 (error "No group to rename"))
2122 (unless (gnus-check-backend-function 'request-delete-group group)
2123 (error "This backend does not support group deletion"))
2125 (if (and (not no-prompt)
2126 (not (gnus-yes-or-no-p
2128 "Do you really want to delete %s%s? "
2129 group (if force " and all its contents" "")))))
2131 (gnus-message 6 "Deleting group %s..." group)
2132 (if (not (gnus-request-delete-group group force))
2133 (gnus-error 3 "Couldn't delete group %s" group)
2134 (gnus-message 6 "Deleting group %s...done" group)
2135 (gnus-group-goto-group group)
2136 (gnus-group-kill-group 1 t)
2137 (gnus-sethash group nil gnus-active-hashtb)
2139 (gnus-group-position-point)))
2141 (defun gnus-group-rename-group (group new-name)
2142 "Rename group from GROUP to NEW-NAME.
2143 When used interactively, GROUP is the group under point
2144 and NEW-NAME will be prompted for."
2147 (gnus-group-group-name)
2149 (unless (gnus-check-backend-function
2150 'request-rename-group (gnus-group-group-name))
2151 (error "This backend does not support renaming groups"))
2152 (gnus-read-group "Rename group to: "
2153 (gnus-group-real-name (gnus-group-group-name))))))
2155 (unless (gnus-check-backend-function 'request-rename-group group)
2156 (error "This backend does not support renaming groups"))
2158 (error "No group to rename"))
2159 (when (equal (gnus-group-real-name group) new-name)
2160 (error "Can't rename to the same name"))
2162 ;; We find the proper prefixed name.
2164 (if (gnus-group-native-p group)
2168 (gnus-group-prefixed-name
2169 (gnus-group-real-name new-name)
2170 (gnus-info-method (gnus-get-info group)))))
2172 (gnus-message 6 "Renaming group %s to %s..." group new-name)
2175 (gnus-group-goto-group group)
2176 (not (when (< (gnus-group-group-level) gnus-level-zombie)
2177 (gnus-request-rename-group group new-name))))
2178 (gnus-error 3 "Couldn't rename group %s to %s" group new-name)
2179 ;; We rename the group internally by killing it...
2180 (gnus-group-kill-group)
2181 ;; ... changing its name ...
2182 (setcar (cdar gnus-list-of-killed-groups) new-name)
2183 ;; ... and then yanking it. Magic!
2184 (gnus-group-yank-group)
2185 (gnus-set-active new-name (gnus-active group))
2186 (gnus-message 6 "Renaming group %s to %s...done" group new-name)
2188 (setq gnus-killed-list (delete group gnus-killed-list))
2189 (gnus-set-active group nil)
2190 (gnus-dribble-touch)
2191 (gnus-group-position-point)))
2193 (defun gnus-group-edit-group (group &optional part)
2194 "Edit the group on the current line."
2195 (interactive (list (gnus-group-group-name)))
2196 (let ((part (or part 'info))
2199 (error "No group on current line"))
2200 (unless (setq info (gnus-get-info group))
2201 (error "Killed group; can't be edited"))
2203 (gnus-close-group group))
2205 ;; Find the proper form to edit.
2206 (cond ((eq part 'method)
2207 (or (gnus-info-method info) "native"))
2209 (gnus-info-params info))
2211 ;; The proper documentation.
2213 "Editing the %s for `%s'."
2215 ((eq part 'method) "select method")
2216 ((eq part 'params) "group parameters")
2218 (gnus-group-decoded-name group))
2220 (gnus-group-edit-group-done ',part ,group form)))))
2222 (defun gnus-group-edit-group-method (group)
2223 "Edit the select method of GROUP."
2224 (interactive (list (gnus-group-group-name)))
2225 (gnus-group-edit-group group 'method))
2227 (defun gnus-group-edit-group-parameters (group)
2228 "Edit the group parameters of GROUP."
2229 (interactive (list (gnus-group-group-name)))
2230 (gnus-group-edit-group group 'params))
2232 (defun gnus-group-edit-group-done (part group form)
2234 (let* ((method (cond ((eq part 'info) (nth 4 form))
2235 ((eq part 'method) form)
2237 (info (cond ((eq part 'info) form)
2238 ((eq part 'method) (gnus-get-info group))
2241 (if (or (not method)
2243 gnus-select-method method))
2244 (gnus-group-real-name (car info))
2245 (gnus-group-prefixed-name
2246 (gnus-group-real-name (car info)) method))
2248 (when (and new-group
2249 (not (equal new-group group)))
2250 (when (gnus-group-goto-group group)
2251 (gnus-group-kill-group 1))
2252 (gnus-activate-group new-group))
2254 (if (not (and info new-group))
2255 (gnus-group-set-info form (or new-group group) part)
2256 (setq info (gnus-copy-sequence info))
2257 (setcar info new-group)
2258 (unless (gnus-server-equal method "native")
2259 (unless (nthcdr 3 info)
2260 (nconc info (list nil nil)))
2261 (unless (nthcdr 4 info)
2262 (nconc info (list nil)))
2263 (gnus-info-set-method info method))
2264 (gnus-group-set-info info))
2265 (gnus-group-update-group (or new-group group))
2266 (gnus-group-position-point)))
2268 (defun gnus-group-make-useful-group (group method)
2269 "Create one of the groups described in `gnus-useful-groups'."
2271 (let ((entry (assoc (completing-read "Create group: " gnus-useful-groups
2273 gnus-useful-groups)))
2274 (list (cadr entry) (caddr entry))))
2275 (setq method (gnus-copy-sequence method))
2277 (while (setq entry (memq (assq 'eval method) method))
2278 (setcar entry (eval (cadar entry)))))
2279 (gnus-group-make-group group method))
2281 (defun gnus-group-make-help-group ()
2282 "Create the Gnus documentation group."
2284 (let ((name (gnus-group-prefixed-name "gnus-help" '(nndoc "gnus-help")))
2285 (file (nnheader-find-etc-directory "gnus-tut.txt" t)))
2286 (when (gnus-gethash name gnus-newsrc-hashtb)
2287 (error "Documentation group already exists"))
2289 (gnus-message 1 "Couldn't find doc group")
2290 (gnus-group-make-group
2291 (gnus-group-real-name name)
2292 (list 'nndoc "gnus-help"
2293 (list 'nndoc-address file)
2294 (list 'nndoc-article-type 'mbox)))))
2295 (gnus-group-position-point))
2297 (defun gnus-group-make-doc-group (file type)
2298 "Create a group that uses a single file as the source."
2300 (list (read-file-name "File name: ")
2301 (and current-prefix-arg 'ask)))
2302 (when (eq type 'ask)
2307 "%sFile type (mbox, babyl, digest, forward, mmdf, guess) [mbdfag]: "
2309 (setq found (cond ((= (setq char (read-char)) ?m) 'mbox)
2310 ((= char ?b) 'babyl)
2311 ((= char ?d) 'digest)
2312 ((= char ?f) 'forward)
2314 ((= char ?g) 'guess)
2315 (t (setq err (format "%c unknown. " char))
2318 (let* ((file (expand-file-name file))
2319 (name (gnus-generate-new-group-name
2320 (gnus-group-prefixed-name
2321 (file-name-nondirectory file) '(nndoc "")))))
2322 (gnus-group-make-group
2323 (gnus-group-real-name name)
2325 (list 'nndoc-address file)
2326 (list 'nndoc-article-type (or type 'guess))))))
2328 (defvar nnweb-type-definition)
2329 (defvar gnus-group-web-type-history nil)
2330 (defvar gnus-group-web-search-history nil)
2331 (defun gnus-group-make-web-group (&optional solid)
2332 "Create an ephemeral nnweb group.
2333 If SOLID (the prefix), create a solid group."
2337 (if solid (gnus-read-group "Group name: ")
2338 (message-unique-id)))
2339 (default-type (or (car gnus-group-web-type-history)
2340 (symbol-name (caar nnweb-type-definition))))
2344 (format "Search engine type (default %s): " default-type)
2345 (mapcar (lambda (elem) (list (symbol-name (car elem))))
2346 nnweb-type-definition)
2347 nil t nil 'gnus-group-web-type-history)
2352 (cons (or (car gnus-group-web-search-history) "") 0)
2353 'gnus-group-web-search-history))
2355 `(nnweb ,group (nnweb-search ,search)
2356 (nnweb-type ,(intern type))
2357 (nnweb-ephemeral-p t))))
2359 (gnus-group-make-group group "nnweb" "" `(,(intern type) ,search))
2360 (gnus-group-read-ephemeral-group
2362 (cons (current-buffer)
2363 (if (eq major-mode 'gnus-summary-mode) 'summary 'group))))))
2365 (defvar nnwarchive-type-definition)
2366 (defvar gnus-group-warchive-type-history nil)
2367 (defvar gnus-group-warchive-login-history nil)
2368 (defvar gnus-group-warchive-address-history nil)
2370 (defun gnus-group-make-warchive-group ()
2371 "Create a nnwarchive group."
2373 (require 'nnwarchive)
2374 (let* ((group (gnus-read-group "Group name: "))
2375 (default-type (or (car gnus-group-warchive-type-history)
2376 (symbol-name (caar nnwarchive-type-definition))))
2380 (format "Warchive type (default %s): " default-type)
2381 (mapcar (lambda (elem) (list (symbol-name (car elem))))
2382 nnwarchive-type-definition)
2383 nil t nil 'gnus-group-warchive-type-history)
2385 (address (read-string "Warchive address: "
2386 nil 'gnus-group-warchive-address-history))
2387 (default-login (or (car gnus-group-warchive-login-history)
2392 (format "Warchive login (default %s): " user-mail-address)
2393 default-login 'gnus-group-warchive-login-history)
2396 `(nnwarchive ,address
2397 (nnwarchive-type ,(intern type))
2398 (nnwarchive-login ,login))))
2399 (gnus-group-make-group group method)))
2401 (defun gnus-group-make-archive-group (&optional all)
2402 "Create the (ding) Gnus archive group of the most recent articles.
2403 Given a prefix, create a full group."
2405 (let ((group (gnus-group-prefixed-name
2406 (if all "ding.archives" "ding.recent") '(nndir ""))))
2407 (when (gnus-gethash group gnus-newsrc-hashtb)
2408 (error "Archive group already exists"))
2409 (gnus-group-make-group
2410 (gnus-group-real-name group)
2411 (list 'nndir (if all "hpc" "edu")
2412 (list 'nndir-directory
2413 (if all gnus-group-archive-directory
2414 gnus-group-recent-archive-directory))))
2415 (gnus-group-add-parameter group (cons 'to-address "ding@gnus.org"))))
2417 (defun gnus-group-make-directory-group (dir)
2418 "Create an nndir group.
2419 The user will be prompted for a directory. The contents of this
2420 directory will be used as a newsgroup. The directory should contain
2421 mail messages or news articles in files that have numeric names."
2423 (list (read-file-name "Create group from directory: ")))
2424 (unless (file-exists-p dir)
2425 (error "No such directory"))
2426 (unless (file-directory-p dir)
2427 (error "Not a directory"))
2431 (while (or (not group) (gnus-gethash group gnus-newsrc-hashtb))
2433 (gnus-group-prefixed-name
2434 (expand-file-name ext dir)
2436 (setq ext (format "<%d>" (setq i (1+ i)))))
2437 (gnus-group-make-group
2438 (gnus-group-real-name group)
2439 (list 'nndir (gnus-group-real-name group) (list 'nndir-directory dir)))))
2441 (eval-when-compile (defvar nnkiboze-score-file))
2442 (defun gnus-group-make-kiboze-group (group address scores)
2443 "Create an nnkiboze group.
2444 The user will be prompted for a name, a regexp to match groups, and
2445 score file entries for articles to include in the group."
2448 (read-string "nnkiboze group name: ")
2449 (read-string "Source groups (regexp): ")
2450 (let ((headers (mapcar (lambda (group) (list group))
2451 '("subject" "from" "number" "date" "message-id"
2452 "references" "chars" "lines" "xref"
2453 "followup" "all" "body" "head")))
2454 scores header regexp regexps)
2455 (while (not (equal "" (setq header (completing-read
2456 "Match on header: " headers nil t))))
2458 (while (not (equal "" (setq regexp (read-string
2459 (format "Match on %s (regexp): "
2461 (push (list regexp nil nil 'r) regexps))
2462 (push (cons header regexps) scores))
2464 (gnus-group-make-group group "nnkiboze" address)
2465 (let* ((nnkiboze-current-group group)
2466 (score-file (car (nnkiboze-score-file "")))
2467 (score-dir (file-name-directory score-file)))
2468 (unless (file-exists-p score-dir)
2469 (make-directory score-dir))
2470 (with-temp-file score-file
2471 (let (emacs-lisp-mode-hook)
2472 (pp scores (current-buffer))))))
2474 (defun gnus-group-add-to-virtual (n vgroup)
2475 "Add the current group to a virtual group."
2477 (list current-prefix-arg
2478 (completing-read "Add to virtual group: " gnus-newsrc-hashtb nil t
2480 (unless (eq (car (gnus-find-method-for-group vgroup)) 'nnvirtual)
2481 (error "%s is not an nnvirtual group" vgroup))
2482 (gnus-close-group vgroup)
2483 (let* ((groups (gnus-group-process-prefix n))
2484 (method (gnus-info-method (gnus-get-info vgroup))))
2485 (setcar (cdr method)
2487 (nth 1 method) "\\|"
2490 (gnus-group-remove-mark s)
2491 (concat "\\(^" (regexp-quote s) "$\\)"))
2493 (gnus-group-position-point))
2495 (defun gnus-group-make-empty-virtual (group)
2496 "Create a new, fresh, empty virtual group."
2497 (interactive "sCreate new, empty virtual group: ")
2498 (let* ((method (list 'nnvirtual "^$"))
2499 (pgroup (gnus-group-prefixed-name group method)))
2500 ;; Check whether it exists already.
2501 (when (gnus-gethash pgroup gnus-newsrc-hashtb)
2502 (error "Group %s already exists" pgroup))
2503 ;; Subscribe the new group after the group on the current line.
2504 (gnus-subscribe-group pgroup (gnus-group-group-name) method)
2505 (gnus-group-update-group pgroup)
2507 (gnus-group-position-point)))
2509 (defun gnus-group-enter-directory (dir)
2510 "Enter an ephemeral nneething group."
2511 (interactive "DDirectory to read: ")
2512 (let* ((method (list 'nneething dir '(nneething-read-only t)))
2513 (leaf (gnus-group-prefixed-name
2514 (file-name-nondirectory (directory-file-name dir))
2516 (name (gnus-generate-new-group-name leaf)))
2517 (unless (gnus-group-read-ephemeral-group
2519 (cons (current-buffer)
2520 (if (eq major-mode 'gnus-summary-mode)
2522 (error "Couldn't enter %s" dir))))
2525 (autoload 'nnimap-expunge "nnimap")
2526 (autoload 'nnimap-acl-get "nnimap")
2527 (autoload 'nnimap-acl-edit "nnimap"))
2529 (defun gnus-group-nnimap-expunge (group)
2530 "Expunge deleted articles in current nnimap GROUP."
2531 (interactive (list (gnus-group-group-name)))
2532 (let ((mailbox (gnus-group-real-name group)) method)
2534 (error "No group on current line"))
2535 (unless (gnus-get-info group)
2536 (error "Killed group; can't be edited"))
2537 (unless (eq 'nnimap (car (setq method (gnus-find-method-for-group group))))
2538 (error "%s is not an nnimap group" group))
2539 (nnimap-expunge mailbox (cadr method))))
2541 (defun gnus-group-nnimap-edit-acl (group)
2542 "Edit the Access Control List of current nnimap GROUP."
2543 (interactive (list (gnus-group-group-name)))
2544 (let ((mailbox (gnus-group-real-name group)) method acl)
2546 (error "No group on current line"))
2547 (unless (gnus-get-info group)
2548 (error "Killed group; can't be edited"))
2549 (unless (eq (car (setq method (gnus-find-method-for-group group))) 'nnimap)
2550 (error "%s is not an nnimap group" group))
2551 (unless (setq acl (nnimap-acl-get mailbox (cadr method)))
2552 (error "Server does not support ACL's"))
2553 (gnus-edit-form acl (format "Editing the access control list for `%s'.
2555 An access control list is a list of (identifier . rights) elements.
2557 The identifier string specifies the corresponding user. The
2558 identifier \"anyone\" is reserved to refer to the universal identity.
2560 Rights is a string listing a (possibly empty) set of alphanumeric
2561 characters, each character listing a set of operations which is being
2562 controlled. Letters are reserved for ``standard'' rights, listed
2563 below. Digits are reserved for implementation or site defined rights.
2565 l - lookup (mailbox is visible to LIST/LSUB commands)
2566 r - read (SELECT the mailbox, perform CHECK, FETCH, PARTIAL,
2567 SEARCH, COPY from mailbox)
2568 s - keep seen/unseen information across sessions (STORE \\SEEN flag)
2569 w - write (STORE flags other than \\SEEN and \\DELETED)
2570 i - insert (perform APPEND, COPY into mailbox)
2571 p - post (send mail to submission address for mailbox,
2572 not enforced by IMAP4 itself)
2573 c - create and delete mailbox (CREATE new sub-mailboxes in any
2574 implementation-defined hierarchy, RENAME or DELETE mailbox)
2575 d - delete messages (STORE \\DELETED flag, perform EXPUNGE)
2576 a - administer (perform SETACL)" group)
2579 ,mailbox ',method ',acl form)))))
2581 ;; Group sorting commands
2582 ;; Suggested by Joe Hildebrand <hildjj@idaho.fuentez.com>.
2584 (defun gnus-group-sort-groups (func &optional reverse)
2585 "Sort the group buffer according to FUNC.
2586 When used interactively, the sorting function used will be
2587 determined by the `gnus-group-sort-function' variable.
2588 If REVERSE (the prefix), reverse the sorting order."
2589 (interactive (list gnus-group-sort-function current-prefix-arg))
2590 (funcall gnus-group-sort-alist-function
2591 (gnus-make-sort-function func) reverse)
2592 (gnus-group-list-groups)
2593 (gnus-dribble-touch))
2595 (defun gnus-group-sort-flat (func reverse)
2596 ;; We peel off the dummy group from the alist.
2598 (when (equal (gnus-info-group (car gnus-newsrc-alist)) "dummy.group")
2599 (pop gnus-newsrc-alist))
2601 (setq gnus-newsrc-alist
2602 (sort gnus-newsrc-alist func))
2604 (setq gnus-newsrc-alist (nreverse gnus-newsrc-alist)))
2605 ;; Regenerate the hash table.
2606 (gnus-make-hashtable-from-newsrc-alist)))
2608 (defun gnus-group-sort-groups-by-alphabet (&optional reverse)
2609 "Sort the group buffer alphabetically by group name.
2610 If REVERSE, sort in reverse order."
2612 (gnus-group-sort-groups 'gnus-group-sort-by-alphabet reverse))
2614 (defun gnus-group-sort-groups-by-unread (&optional reverse)
2615 "Sort the group buffer by number of unread articles.
2616 If REVERSE, sort in reverse order."
2618 (gnus-group-sort-groups 'gnus-group-sort-by-unread reverse))
2620 (defun gnus-group-sort-groups-by-level (&optional reverse)
2621 "Sort the group buffer by group level.
2622 If REVERSE, sort in reverse order."
2624 (gnus-group-sort-groups 'gnus-group-sort-by-level reverse))
2626 (defun gnus-group-sort-groups-by-score (&optional reverse)
2627 "Sort the group buffer by group score.
2628 If REVERSE, sort in reverse order."
2630 (gnus-group-sort-groups 'gnus-group-sort-by-score reverse))
2632 (defun gnus-group-sort-groups-by-rank (&optional reverse)
2633 "Sort the group buffer by group rank.
2634 If REVERSE, sort in reverse order."
2636 (gnus-group-sort-groups 'gnus-group-sort-by-rank reverse))
2638 (defun gnus-group-sort-groups-by-method (&optional reverse)
2639 "Sort the group buffer alphabetically by backend name.
2640 If REVERSE, sort in reverse order."
2642 (gnus-group-sort-groups 'gnus-group-sort-by-method reverse))
2644 ;;; Selected group sorting.
2646 (defun gnus-group-sort-selected-groups (n func &optional reverse)
2647 "Sort the process/prefixed groups."
2648 (interactive (list current-prefix-arg gnus-group-sort-function))
2649 (let ((groups (gnus-group-process-prefix n)))
2650 (funcall gnus-group-sort-selected-function
2651 groups (gnus-make-sort-function func) reverse)
2652 (gnus-group-list-groups)))
2654 (defun gnus-group-sort-selected-flat (groups func reverse)
2655 (let (entries infos)
2656 ;; First find all the group entries for these groups.
2658 (push (nthcdr 2 (gnus-gethash (pop groups) gnus-newsrc-hashtb))
2660 ;; Then sort the infos.
2664 (lambda (entry) (car entry))
2665 (setq entries (nreverse entries)))
2668 (setq infos (nreverse infos)))
2669 ;; Go through all the infos and replace the old entries
2670 ;; with the new infos.
2672 (setcar (car entries) (pop infos))
2674 ;; Update the hashtable.
2675 (gnus-make-hashtable-from-newsrc-alist)))
2677 (defun gnus-group-sort-selected-groups-by-alphabet (&optional n reverse)
2678 "Sort the group buffer alphabetically by group name.
2679 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
2680 sort in reverse order."
2681 (interactive (gnus-interactive "P\ny"))
2682 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-alphabet reverse))
2684 (defun gnus-group-sort-selected-groups-by-unread (&optional n reverse)
2685 "Sort the group buffer by number of unread articles.
2686 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
2687 sort in reverse order."
2688 (interactive (gnus-interactive "P\ny"))
2689 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-unread reverse))
2691 (defun gnus-group-sort-selected-groups-by-level (&optional n reverse)
2692 "Sort the group buffer by group level.
2693 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
2694 sort in reverse order."
2695 (interactive (gnus-interactive "P\ny"))
2696 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-level reverse))
2698 (defun gnus-group-sort-selected-groups-by-score (&optional n reverse)
2699 "Sort the group buffer by group score.
2700 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
2701 sort in reverse order."
2702 (interactive (gnus-interactive "P\ny"))
2703 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-score reverse))
2705 (defun gnus-group-sort-selected-groups-by-rank (&optional n reverse)
2706 "Sort the group buffer by group rank.
2707 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
2708 sort in reverse order."
2709 (interactive (gnus-interactive "P\ny"))
2710 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-rank reverse))
2712 (defun gnus-group-sort-selected-groups-by-method (&optional n reverse)
2713 "Sort the group buffer alphabetically by backend name.
2714 Obeys the process/prefix convention. If REVERSE (the symbolic prefix),
2715 sort in reverse order."
2716 (interactive (gnus-interactive "P\ny"))
2717 (gnus-group-sort-selected-groups n 'gnus-group-sort-by-method reverse))
2719 ;;; Sorting predicates.
2721 (defun gnus-group-sort-by-alphabet (info1 info2)
2722 "Sort alphabetically."
2723 (string< (gnus-info-group info1) (gnus-info-group info2)))
2725 (defun gnus-group-sort-by-real-name (info1 info2)
2726 "Sort alphabetically on real (unprefixed) names."
2727 (string< (gnus-group-real-name (gnus-info-group info1))
2728 (gnus-group-real-name (gnus-info-group info2))))
2730 (defun gnus-group-sort-by-unread (info1 info2)
2731 "Sort by number of unread articles."
2732 (let ((n1 (car (gnus-gethash (gnus-info-group info1) gnus-newsrc-hashtb)))
2733 (n2 (car (gnus-gethash (gnus-info-group info2) gnus-newsrc-hashtb))))
2734 (< (or (and (numberp n1) n1) 0)
2735 (or (and (numberp n2) n2) 0))))
2737 (defun gnus-group-sort-by-level (info1 info2)
2739 (< (gnus-info-level info1) (gnus-info-level info2)))
2741 (defun gnus-group-sort-by-method (info1 info2)
2742 "Sort alphabetically by backend name."
2743 (string< (symbol-name (car (gnus-find-method-for-group
2744 (gnus-info-group info1) info1)))
2745 (symbol-name (car (gnus-find-method-for-group
2746 (gnus-info-group info2) info2)))))
2748 (defun gnus-group-sort-by-score (info1 info2)
2749 "Sort by group score."
2750 (< (gnus-info-score info1) (gnus-info-score info2)))
2752 (defun gnus-group-sort-by-rank (info1 info2)
2753 "Sort by level and score."
2754 (let ((level1 (gnus-info-level info1))
2755 (level2 (gnus-info-level info2)))
2756 (or (< level1 level2)
2757 (and (= level1 level2)
2758 (> (gnus-info-score info1) (gnus-info-score info2))))))
2762 (defun gnus-group-clear-data (&optional arg)
2763 "Clear all marks and read ranges from the current group."
2765 (gnus-group-iterate arg
2768 (gnus-info-clear-data (setq info (gnus-get-info group)))
2769 (gnus-get-unread-articles-in-group info (gnus-active group) t)
2770 (when (gnus-group-goto-group group)
2771 (gnus-group-update-group-line))))))
2773 (defun gnus-group-clear-data-on-native-groups ()
2774 "Clear all marks and read ranges from all native groups."
2776 (when (gnus-yes-or-no-p "Really clear all data from almost all groups? ")
2777 (let ((alist (cdr gnus-newsrc-alist))
2779 (while (setq info (pop alist))
2780 (when (gnus-group-native-p (gnus-info-group info))
2781 (gnus-info-clear-data info)))
2782 (gnus-get-unread-articles)
2783 (gnus-dribble-touch)
2784 (when (gnus-y-or-n-p
2785 "Move the cache away to avoid problems in the future? ")
2786 (call-interactively 'gnus-cache-move-cache)))))
2788 (defun gnus-info-clear-data (info)
2789 "Clear all marks and read ranges from INFO."
2790 (let ((group (gnus-info-group info)))
2793 (gnus-info-set-marks ',info ',(gnus-info-marks info) t)
2794 (gnus-info-set-read ',info ',(gnus-info-read info))
2795 (when (gnus-group-goto-group ,group)
2796 (gnus-group-update-group-line))))
2797 (gnus-info-set-read info nil)
2798 (when (gnus-info-marks info)
2799 (gnus-info-set-marks info nil))))
2801 ;; Group catching up.
2803 (defun gnus-group-catchup-current (&optional n all)
2804 "Mark all unread articles in the current newsgroup as read.
2805 If prefix argument N is numeric, the next N newsgroups will be
2806 caught up. If ALL is non-nil, marked articles will also be marked as
2807 read. Cross references (Xref: header) of articles are ignored.
2808 The number of newsgroups that this function was unable to catch
2811 (let ((groups (gnus-group-process-prefix n))
2814 (unless groups (error "No groups selected"))
2816 (or (not gnus-interactive-catchup) ;Without confirmation?
2821 "Do you really want to mark all articles in %s as read? "
2822 "Mark all unread articles in %s as read? ")
2823 (if (= (length groups) 1)
2825 (format "these %d groups" (length groups)))))))
2827 (while (setq group (pop groups))
2828 (gnus-group-remove-mark group)
2829 ;; Virtual groups have to be given special treatment.
2830 (let ((method (gnus-find-method-for-group group)))
2831 (when (eq 'nnvirtual (car method))
2832 (nnvirtual-catchup-group
2833 (gnus-group-real-name group) (nth 1 method) all)))
2834 (if (>= (gnus-group-level group) gnus-level-zombie)
2835 (gnus-message 2 "Dead groups can't be caught up")
2837 (gnus-group-goto-group group)
2838 (gnus-group-catchup group all))
2839 (gnus-group-update-group-line)
2840 (setq ret (1+ ret)))))
2841 (gnus-group-next-unread-group 1)
2844 (defun gnus-group-catchup-current-all (&optional n)
2845 "Mark all articles in current newsgroup as read.
2846 Cross references (Xref: header) of articles are ignored."
2848 (gnus-group-catchup-current n 'all))
2850 (defun gnus-group-catchup (group &optional all)
2851 "Mark all articles in GROUP as read.
2852 If ALL is non-nil, all articles are marked as read.
2853 The return value is the number of articles that were marked as read,
2854 or nil if no action could be taken."
2855 (let* ((entry (gnus-gethash group gnus-newsrc-hashtb))
2857 ;; Remove entries for this group.
2858 (nnmail-purge-split-history (gnus-group-real-name group))
2859 ;; Do the updating only if the newsgroup isn't killed.
2860 (if (not (numberp (car entry)))
2861 (gnus-message 1 "Can't catch up %s; non-active group" group)
2862 ;; Do auto-expirable marks if that's required.
2863 (when (gnus-group-auto-expirable-p group)
2864 (gnus-add-marked-articles
2865 group 'expire (gnus-list-of-unread-articles group))
2867 (let ((marks (nth 3 (nth 2 entry))))
2868 (gnus-add-marked-articles
2869 group 'expire (gnus-uncompress-range (cdr (assq 'tick marks))))
2870 (gnus-add-marked-articles
2871 group 'expire (gnus-uncompress-range (cdr (assq 'tick marks)))))))
2873 (gnus-update-read-articles group nil)
2874 ;; Also nix out the lists of marks and dormants.
2876 (gnus-add-marked-articles group 'tick nil nil 'force)
2877 (gnus-add-marked-articles group 'dormant nil nil 'force))
2878 (let ((gnus-newsgroup-name group))
2879 (gnus-run-hooks 'gnus-group-catchup-group-hook))
2882 (defun gnus-group-expire-articles (&optional n)
2883 "Expire all expirable articles in the current newsgroup."
2885 (let ((groups (gnus-group-process-prefix n))
2888 (error "No groups to expire"))
2889 (while (setq group (pop groups))
2890 (gnus-group-remove-mark group)
2891 (gnus-group-expire-articles-1 group)
2892 (gnus-dribble-touch)
2893 (gnus-group-position-point))))
2895 (defun gnus-group-expire-articles-1 (group)
2896 (when (gnus-check-backend-function 'request-expire-articles group)
2897 (gnus-message 6 "Expiring articles in %s..." group)
2898 (let* ((info (gnus-get-info group))
2899 (expirable (if (gnus-group-total-expirable-p group)
2900 (cons nil (gnus-list-of-read-articles group))
2901 (assq 'expire (gnus-info-marks info))))
2902 (expiry-wait (gnus-group-find-parameter group 'expiry-wait))
2903 (nnmail-expiry-target
2904 (or (gnus-group-find-parameter group 'expiry-target)
2905 nnmail-expiry-target)))
2907 (gnus-check-group group)
2910 (gnus-compress-sequence
2912 ;; We set the expiry variables to the group
2914 (let ((nnmail-expiry-wait-function nil)
2915 (nnmail-expiry-wait expiry-wait))
2916 (gnus-request-expire-articles
2917 (gnus-uncompress-sequence (cdr expirable)) group))
2918 ;; Just expire using the normal expiry values.
2919 (gnus-request-expire-articles
2920 (gnus-uncompress-sequence (cdr expirable)) group))))
2921 (gnus-close-group group))
2922 (gnus-message 6 "Expiring articles in %s...done" group)
2923 ;; Return the list of un-expired articles.
2926 (defun gnus-group-expire-all-groups ()
2927 "Expire all expirable articles in all newsgroups."
2930 (gnus-message 5 "Expiring...")
2931 (let ((gnus-group-marked (mapcar (lambda (info) (gnus-info-group info))
2932 (cdr gnus-newsrc-alist))))
2933 (gnus-group-expire-articles nil)))
2934 (gnus-group-position-point)
2935 (gnus-message 5 "Expiring...done"))
2937 (defun gnus-group-set-current-level (n level)
2938 "Set the level of the next N groups to LEVEL."
2943 (let ((s (read-string
2944 (format "Level (default %s): "
2945 (or (gnus-group-group-level)
2946 gnus-level-default-subscribed)))))
2947 (if (string-match "^\\s-*$" s)
2948 (int-to-string (or (gnus-group-group-level)
2949 gnus-level-default-subscribed))
2951 (unless (and (>= level 1) (<= level gnus-level-killed))
2952 (error "Invalid level: %d" level))
2953 (let ((groups (gnus-group-process-prefix n))
2955 (while (setq group (pop groups))
2956 (gnus-group-remove-mark group)
2957 (gnus-message 6 "Changed level of %s from %d to %d"
2958 group (or (gnus-group-group-level) gnus-level-killed)
2960 (gnus-group-change-level
2961 group level (or (gnus-group-group-level) gnus-level-killed))
2962 (gnus-group-update-group-line)))
2963 (gnus-group-position-point))
2965 (defun gnus-group-unsubscribe (&optional n)
2966 "Unsubscribe the current group."
2968 (gnus-group-unsubscribe-current-group n 'unsubscribe))
2970 (defun gnus-group-subscribe (&optional n)
2971 "Subscribe the current group."
2973 (gnus-group-unsubscribe-current-group n 'subscribe))
2975 (defun gnus-group-unsubscribe-current-group (&optional n do-sub)
2976 "Toggle subscription of the current group.
2977 If given numerical prefix, toggle the N next groups."
2979 (let ((groups (gnus-group-process-prefix n))
2982 (setq group (car groups)
2983 groups (cdr groups))
2984 (gnus-group-remove-mark group)
2985 (gnus-group-unsubscribe-group
2988 ((eq do-sub 'unsubscribe)
2989 gnus-level-default-unsubscribed)
2990 ((eq do-sub 'subscribe)
2991 gnus-level-default-subscribed)
2992 ((<= (gnus-group-group-level) gnus-level-subscribed)
2993 gnus-level-default-unsubscribed)
2995 gnus-level-default-subscribed))
2997 (gnus-group-update-group-line))
2998 (gnus-group-next-group 1)))
3000 (defun gnus-group-unsubscribe-group (group &optional level silent)
3001 "Toggle subscription to GROUP.
3002 Killed newsgroups are subscribed. If SILENT, don't try to update the
3005 (list (completing-read
3006 "Group: " gnus-active-hashtb nil
3007 (gnus-read-active-file-p)
3009 'gnus-group-history)))
3010 (let ((newsrc (gnus-gethash group gnus-newsrc-hashtb)))
3012 ((string-match "^[ \t]*$" group)
3013 (error "Empty group name"))
3015 ;; Toggle subscription flag.
3016 (gnus-group-change-level
3017 newsrc (if level level (if (<= (gnus-info-level (nth 2 newsrc))
3018 gnus-level-subscribed)
3019 (1+ gnus-level-subscribed)
3020 gnus-level-default-subscribed)))
3022 (gnus-group-update-group group)))
3023 ((and (stringp group)
3024 (or (not (gnus-read-active-file-p))
3025 (gnus-active group)))
3026 ;; Add new newsgroup.
3027 (gnus-group-change-level
3029 (if level level gnus-level-default-subscribed)
3030 (or (and (member group gnus-zombie-list)
3033 (when (gnus-group-group-name)
3034 (gnus-gethash (gnus-group-group-name) gnus-newsrc-hashtb)))
3036 (gnus-group-update-group group)))
3037 (t (error "No such newsgroup: %s" group)))
3038 (gnus-group-position-point)))
3040 (defun gnus-group-transpose-groups (n)
3041 "Move the current newsgroup up N places.
3042 If given a negative prefix, move down instead. The difference between
3043 N and the number of steps taken is returned."
3045 (unless (gnus-group-group-name)
3046 (error "No group on current line"))
3047 (gnus-group-kill-group 1)
3049 (forward-line (- n))
3050 (gnus-group-yank-group)
3051 (gnus-group-position-point)))
3053 (defun gnus-group-kill-all-zombies (&optional dummy)
3054 "Kill all zombie newsgroups.
3055 The optional DUMMY should always be nil."
3056 (interactive (list (not (gnus-yes-or-no-p "Really kill all zombies? "))))
3058 (setq gnus-killed-list (nconc gnus-zombie-list gnus-killed-list))
3059 (setq gnus-zombie-list nil)
3060 (gnus-dribble-touch)
3061 (gnus-group-list-groups)))
3063 (defun gnus-group-kill-region (begin end)
3064 "Kill newsgroups in current region (excluding current point).
3065 The killed newsgroups can be yanked by using \\[gnus-group-yank-group]."
3080 (beginning-of-line) ;Important when LINES < 1
3081 (gnus-group-kill-group lines)))
3083 (defun gnus-group-kill-group (&optional n discard)
3084 "Kill the next N groups.
3085 The killed newsgroups can be yanked by using \\[gnus-group-yank-group].
3086 However, only groups that were alive can be yanked; already killed
3087 groups or zombie groups can't be yanked.
3088 The return value is the name of the group that was killed, or a list
3091 (let ((buffer-read-only nil)
3092 (groups (gnus-group-process-prefix n))
3093 group entry level out)
3094 (if (< (length groups) 10)
3095 ;; This is faster when there are few groups.
3097 (push (setq group (pop groups)) out)
3098 (gnus-group-remove-mark group)
3099 (setq level (gnus-group-group-level))
3101 (when (and (not discard)
3102 (setq entry (gnus-gethash group gnus-newsrc-hashtb)))
3105 (gnus-group-goto-group ,(gnus-group-group-name))
3106 (gnus-group-yank-group)))
3107 (push (cons (car entry) (nth 2 entry))
3108 gnus-list-of-killed-groups))
3109 (gnus-group-change-level
3110 (if entry entry group) gnus-level-killed (if entry nil level))
3111 (message "Killed group %s" group))
3112 ;; If there are lots and lots of groups to be killed, we use
3113 ;; this thing instead.
3115 (setq groups (nreverse groups))
3117 (gnus-group-remove-mark (setq group (pop groups)))
3119 (push group gnus-killed-list)
3120 (setq gnus-newsrc-alist
3121 (delq (assoc group gnus-newsrc-alist)
3123 (when gnus-group-change-level-function
3124 (funcall gnus-group-change-level-function
3125 group gnus-level-killed 3))
3127 ((setq entry (gnus-gethash group gnus-newsrc-hashtb))
3128 (push (cons (car entry) (nth 2 entry))
3129 gnus-list-of-killed-groups)
3130 (setcdr (cdr entry) (cdddr entry)))
3131 ((member group gnus-zombie-list)
3132 (setq gnus-zombie-list (delete group gnus-zombie-list))))
3133 ;; There may be more than one instance displayed.
3134 (while (gnus-group-goto-group group)
3135 (gnus-delete-line)))
3136 (gnus-make-hashtable-from-newsrc-alist)))
3138 (gnus-group-position-point)
3139 (if (< (length out) 2) (car out) (nreverse out))))
3141 (defun gnus-group-yank-group (&optional arg)
3142 "Yank the last newsgroups killed with \\[gnus-group-kill-group], inserting it before the current newsgroup.
3143 The numeric ARG specifies how many newsgroups are to be yanked. The
3144 name of the newsgroup yanked is returned, or (if several groups are
3145 yanked) a list of yanked groups is returned."
3147 (setq arg (or arg 1))
3148 (let (info group prev out)
3149 (while (>= (decf arg) 0)
3150 (when (not (setq info (pop gnus-list-of-killed-groups)))
3151 (error "No more newsgroups to yank"))
3152 (push (setq group (nth 1 info)) out)
3153 ;; Find which newsgroup to insert this one before - search
3154 ;; backward until something suitable is found. If there are no
3155 ;; other newsgroups in this buffer, just make this newsgroup the
3157 (setq prev (gnus-group-group-name))
3158 (gnus-group-change-level
3159 info (gnus-info-level (cdr info)) gnus-level-killed
3160 (and prev (gnus-gethash prev gnus-newsrc-hashtb))
3162 (gnus-group-insert-group-line-info group)
3164 `(when (gnus-group-goto-group ,group)
3165 (gnus-group-kill-group 1))))
3167 (gnus-group-position-point)
3168 (if (< (length out) 2) (car out) (nreverse out))))
3170 (defun gnus-group-kill-level (level)
3171 "Kill all groups that is on a certain LEVEL."
3172 (interactive "nKill all groups on level: ")
3174 ((= level gnus-level-zombie)
3175 (setq gnus-killed-list
3176 (nconc gnus-zombie-list gnus-killed-list))
3177 (setq gnus-zombie-list nil))
3178 ((and (< level gnus-level-zombie)
3180 (or gnus-expert-user
3183 "Do you really want to kill all groups on level %d? "
3185 (let* ((prev gnus-newsrc-alist)
3188 (if (= (gnus-info-level (car alist)) level)
3190 (push (gnus-info-group (car alist)) gnus-killed-list)
3191 (setcdr prev (cdr alist)))
3193 (setq alist (cdr alist)))
3194 (gnus-make-hashtable-from-newsrc-alist)
3195 (gnus-group-list-groups)))
3197 (error "Can't kill; invalid level: %d" level))))
3199 (defun gnus-group-list-all-groups (&optional arg)
3200 "List all newsgroups with level ARG or lower.
3201 Default is gnus-level-unsubscribed, which lists all subscribed and most
3202 unsubscribed groups."
3204 (gnus-group-list-groups (or arg gnus-level-unsubscribed) t))
3206 ;; Redefine this to list ALL killed groups if prefix arg used.
3207 ;; Rewritten by engstrom@src.honeywell.com (Eric Engstrom).
3208 (defun gnus-group-list-killed (&optional arg)
3209 "List all killed newsgroups in the group buffer.
3210 If ARG is non-nil, list ALL killed groups known to Gnus. This may
3211 entail asking the server for the groups."
3213 ;; Find all possible killed newsgroups if arg.
3215 (gnus-get-killed-groups))
3216 (if (not gnus-killed-list)
3217 (gnus-message 6 "No killed groups")
3218 (let (gnus-group-list-mode)
3219 (funcall gnus-group-prepare-function
3220 gnus-level-killed t gnus-level-killed))
3221 (goto-char (point-min)))
3222 (gnus-group-position-point))
3224 (defun gnus-group-list-zombies ()
3225 "List all zombie newsgroups in the group buffer."
3227 (if (not gnus-zombie-list)
3228 (gnus-message 6 "No zombie groups")
3229 (let (gnus-group-list-mode)
3230 (funcall gnus-group-prepare-function
3231 gnus-level-zombie t gnus-level-zombie))
3232 (goto-char (point-min)))
3233 (gnus-group-position-point))
3235 (defun gnus-group-list-active ()
3236 "List all groups that are available from the server(s)."
3238 ;; First we make sure that we have really read the active file.
3239 (unless (gnus-read-active-file-p)
3240 (let ((gnus-read-active-file t)
3241 (gnus-agent nil)) ; Trick the agent into ignoring the active file.
3242 (gnus-read-active-file)))
3243 ;; Find all groups and sort them.
3251 (push (symbol-name sym) list)))
3255 (buffer-read-only nil)
3259 (setq group (pop groups))
3260 (gnus-add-text-properties
3261 (point) (prog1 (1+ (point))
3263 (gnus-group-name-decode group
3264 (gnus-group-name-charset
3267 (list 'gnus-group (gnus-intern-safe group gnus-active-hashtb)
3269 'gnus-level (inline (gnus-group-level group)))))
3270 (goto-char (point-min))))
3272 (defun gnus-activate-all-groups (level)
3273 "Activate absolutely all groups."
3274 (interactive (list gnus-level-unsubscribed))
3275 (let ((gnus-activate-level level)
3276 (gnus-activate-foreign-newsgroups level))
3277 (gnus-group-get-new-news)))
3279 (defun gnus-group-get-new-news (&optional arg)
3280 "Get newly arrived articles.
3281 If ARG is a number, it specifies which levels you are interested in
3282 re-scanning. If ARG is non-nil and not a number, this will force
3283 \"hard\" re-reading of the active files from all servers."
3286 (let ((gnus-inhibit-demon t)
3287 ;; Binding this variable will inhibit multiple fetchings
3288 ;; of the same mail source.
3289 (nnmail-fetched-sources (list t)))
3290 (gnus-run-hooks 'gnus-get-new-news-hook)
3292 ;; Read any slave files.
3294 (gnus-master-read-slave-newsrc))
3296 ;; We might read in new NoCeM messages here.
3297 (when (and gnus-use-nocem
3299 (gnus-nocem-scan-groups))
3300 ;; If ARG is not a number, then we read the active file.
3301 (when (and arg (not (numberp arg)))
3302 (let ((gnus-read-active-file t))
3303 (gnus-read-active-file))
3306 ;; If the user wants it, we scan for new groups.
3307 (when (eq gnus-check-new-newsgroups 'always)
3308 (gnus-find-new-newsgroups)))
3310 (setq arg (gnus-group-default-level arg t))
3311 (if (and gnus-read-active-file (not arg))
3313 (gnus-read-active-file)
3314 (gnus-get-unread-articles arg))
3315 (let ((gnus-read-active-file (if arg nil gnus-read-active-file)))
3316 (gnus-get-unread-articles arg)))
3317 (gnus-run-hooks 'gnus-after-getting-new-news-hook)
3318 (gnus-group-list-groups (and (numberp arg)
3319 (max (car gnus-group-list-mode) arg)))))
3321 (defun gnus-group-get-new-news-this-group (&optional n dont-scan)
3322 "Check for newly arrived news in the current group (and the N-1 next groups).
3323 The difference between N and the number of newsgroup checked is returned.
3324 If N is negative, this group and the N-1 previous groups will be checked."
3326 (let* ((groups (gnus-group-process-prefix n))
3327 (ret (if (numberp n) (- n (length groups)) 0))
3331 (gnus-inhibit-demon t)
3332 ;; Binding this variable will inhibit multiple fetchings
3333 ;; of the same mail source.
3334 (nnmail-fetched-sources (list t)))
3335 (gnus-run-hooks 'gnus-get-new-news-hook)
3336 (while (setq group (pop groups))
3337 (gnus-group-remove-mark group)
3338 ;; Bypass any previous denials from the server.
3339 (gnus-remove-denial (setq method (gnus-find-method-for-group group)))
3340 (if (gnus-activate-group group (if dont-scan nil 'scan))
3342 (gnus-get-unread-articles-in-group
3343 (gnus-get-info group) (gnus-active group) t)
3344 (unless (gnus-virtual-group-p group)
3345 (gnus-close-group group))
3347 (gnus-agent-save-group-info
3348 method (gnus-group-real-name group) (gnus-active group)))
3349 (gnus-group-update-group group))
3350 (if (eq (gnus-server-status (gnus-find-method-for-group group))
3352 (gnus-error 3 "Server denied access")
3353 (gnus-error 3 "%s error: %s" group (gnus-status-message group)))))
3356 (when gnus-goto-next-group-when-activating
3357 (gnus-group-next-unread-group 1 t))
3358 (gnus-summary-position-point)
3361 (defun gnus-group-fetch-faq (group &optional faq-dir)
3362 "Fetch the FAQ for the current group.
3363 If given a prefix argument, prompt for the FAQ dir
3367 (gnus-group-group-name)
3368 (when current-prefix-arg
3370 "Faq dir: " (and (listp gnus-group-faq-directory)
3372 gnus-group-faq-directory))))))
3374 (error "No group name given"))
3375 (let ((dirs (or faq-dir gnus-group-faq-directory))
3377 (unless (listp dirs)
3378 (setq dirs (list dirs)))
3379 (while (and (not found)
3380 (setq dir (pop dirs)))
3381 (let ((name (gnus-group-real-name group)))
3382 (setq file (expand-file-name name dir)))
3383 (if (not (file-exists-p file))
3384 (gnus-message 1 "No such file: %s" file)
3385 (let ((enable-local-variables nil))
3389 (defun gnus-group-describe-group (force &optional group)
3390 "Display a description of the current newsgroup."
3391 (interactive (list current-prefix-arg (gnus-group-group-name)))
3392 (let* ((method (gnus-find-method-for-group group))
3393 (mname (gnus-group-prefixed-name "" method))
3396 gnus-description-hashtb)
3397 (gnus-sethash mname nil gnus-description-hashtb))
3399 (error "No group name given"))
3400 (when (or (and gnus-description-hashtb
3401 ;; We check whether this group's method has been
3402 ;; queried for a description file.
3403 (gnus-gethash mname gnus-description-hashtb))
3404 (setq desc (gnus-group-get-description group))
3405 (gnus-read-descriptions-file method))
3407 (or desc (gnus-gethash group gnus-description-hashtb)
3408 "No description available")))))
3410 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
3411 (defun gnus-group-describe-all-groups (&optional force)
3412 "Pop up a buffer with descriptions of all newsgroups."
3415 (setq gnus-description-hashtb nil))
3416 (when (not (or gnus-description-hashtb
3417 (gnus-read-all-descriptions-files)))
3418 (error "Couldn't request descriptions file"))
3419 (let ((buffer-read-only nil)
3425 (let ((charset (gnus-group-name-charset nil (symbol-name group))))
3426 (insert (format " *: %-20s %s\n"
3427 (gnus-group-name-decode
3428 (symbol-name group) charset)
3429 (gnus-group-name-decode
3430 (symbol-value group) charset))))
3431 (gnus-add-text-properties
3432 b (1+ b) (list 'gnus-group group
3433 'gnus-unread t 'gnus-marked nil
3434 'gnus-level (1+ gnus-level-subscribed))))
3435 gnus-description-hashtb)
3436 (goto-char (point-min))
3437 (gnus-group-position-point)))
3439 ;; Suggested by Daniel Quinlan <quinlan@best.com>.
3440 (defun gnus-group-apropos (regexp &optional search-description)
3441 "List all newsgroups that have names that match a regexp."
3442 (interactive "sGnus apropos (regexp): ")
3444 (obuf (current-buffer))
3446 ;; Go through all newsgroups that are known to Gnus.
3449 (and (symbol-name group)
3450 (string-match regexp (symbol-name group))
3451 (symbol-value group)
3452 (push (symbol-name group) groups)))
3454 ;; Also go through all descriptions that are known to Gnus.
3455 (when search-description
3458 (and (string-match regexp (symbol-value group))
3459 (push (symbol-name group) groups)))
3460 gnus-description-hashtb))
3462 (gnus-message 3 "No groups matched \"%s\"." regexp)
3463 ;; Print out all the groups.
3465 (pop-to-buffer "*Gnus Help*")
3466 (buffer-disable-undo)
3468 (setq groups (sort groups 'string<))
3470 ;; Groups may be entered twice into the list of groups.
3471 (when (not (string= (car groups) prev))
3472 (setq prev (car groups))
3473 (let ((charset (gnus-group-name-charset nil prev)))
3474 (insert (gnus-group-name-decode prev charset) "\n")
3475 (when (and gnus-description-hashtb
3476 (setq des (gnus-gethash (car groups)
3477 gnus-description-hashtb)))
3478 (insert " " (gnus-group-name-decode des charset) "\n"))))
3479 (setq groups (cdr groups)))
3480 (goto-char (point-min))))
3481 (pop-to-buffer obuf)))
3483 (defun gnus-group-description-apropos (regexp)
3484 "List all newsgroups that have names or descriptions that match a regexp."
3485 (interactive "sGnus description apropos (regexp): ")
3486 (when (not (or gnus-description-hashtb
3487 (gnus-read-all-descriptions-files)))
3488 (error "Couldn't request descriptions file"))
3489 (gnus-group-apropos regexp t))
3491 ;; Suggested by Per Abrahamsen <amanda@iesd.auc.dk>.
3492 (defun gnus-group-list-matching (level regexp &optional all lowest)
3493 "List all groups with unread articles that match REGEXP.
3494 If the prefix LEVEL is non-nil, it should be a number that says which
3495 level to cut off listing groups.
3496 If ALL, also list groups with no unread articles.
3497 If LOWEST, don't list groups with level lower than LOWEST.
3499 This command may read the active file."
3500 (interactive "P\nsList newsgroups matching: ")
3501 ;; First make sure active file has been read.
3503 (> (prefix-numeric-value level) gnus-level-killed))
3504 (gnus-get-killed-groups))
3505 (funcall gnus-group-prepare-function
3506 (or level gnus-level-subscribed) (and all t) (or lowest 1) regexp)
3507 (goto-char (point-min))
3508 (gnus-group-position-point))
3510 (defun gnus-group-list-all-matching (level regexp &optional lowest)
3511 "List all groups that match REGEXP.
3512 If the prefix LEVEL is non-nil, it should be a number that says which
3513 level to cut off listing groups.
3514 If LOWEST, don't list groups with level lower than LOWEST."
3515 (interactive "P\nsList newsgroups matching: ")
3517 (setq level (prefix-numeric-value level)))
3518 (gnus-group-list-matching (or level gnus-level-killed) regexp t lowest))
3520 ;; Suggested by Jack Vinson <vinson@unagi.cis.upenn.edu>.
3521 (defun gnus-group-save-newsrc (&optional force)
3522 "Save the Gnus startup files.
3523 If FORCE, force saving whether it is necessary or not."
3525 (gnus-save-newsrc-file force))
3527 (defun gnus-group-restart (&optional arg)
3528 "Force Gnus to read the .newsrc file."
3530 (when (gnus-yes-or-no-p
3531 (format "Are you sure you want to restart Gnus? "))
3532 (gnus-save-newsrc-file)
3536 (defun gnus-group-read-init-file ()
3537 "Read the Gnus elisp init file."
3539 (gnus-read-init-file)
3540 (gnus-message 5 "Read %s" gnus-init-file))
3542 (defun gnus-group-check-bogus-groups (&optional silent)
3543 "Check bogus newsgroups.
3544 If given a prefix, don't ask for confirmation before removing a bogus
3547 (gnus-check-bogus-newsgroups (and (not silent) (not gnus-expert-user)))
3548 (gnus-group-list-groups))
3550 (defun gnus-group-find-new-groups (&optional arg)
3551 "Search for new groups and add them.
3552 Each new group will be treated with `gnus-subscribe-newsgroup-method.'
3553 With 1 C-u, use the `ask-server' method to query the server for new
3555 With 2 C-u's, use most complete method possible to query the server
3556 for new groups, and subscribe the new groups as zombies."
3558 (gnus-find-new-newsgroups (or arg 1))
3559 (gnus-group-list-groups))
3561 (defun gnus-group-edit-global-kill (&optional article group)
3562 "Edit the global kill file.
3563 If GROUP, edit that local kill file instead."
3565 (setq gnus-current-kill-article article)
3566 (gnus-kill-file-edit-file group)
3569 (substitute-command-keys
3570 (format "Editing a %s kill file (Type \\[gnus-kill-file-exit] to exit)"
3571 (if group "local" "global")))))
3573 (defun gnus-group-edit-local-kill (article group)
3574 "Edit a local kill file."
3575 (interactive (list nil (gnus-group-group-name)))
3576 (gnus-group-edit-global-kill article group))
3578 (defun gnus-group-force-update ()
3579 "Update `.newsrc' file."
3581 (gnus-save-newsrc-file))
3583 (defun gnus-group-suspend ()
3584 "Suspend the current Gnus session.
3585 In fact, cleanup buffers except for group mode buffer.
3586 The hook gnus-suspend-gnus-hook is called before actually suspending."
3588 (gnus-run-hooks 'gnus-suspend-gnus-hook)
3589 ;; Kill Gnus buffers except for group mode buffer.
3590 (let ((group-buf (get-buffer gnus-group-buffer)))
3591 (mapcar (lambda (buf)
3592 (unless (member buf (list group-buf gnus-dribble-buffer))
3595 (gnus-kill-gnus-frames)
3597 (bury-buffer group-buf)
3598 (delete-windows-on group-buf t))))
3600 (defun gnus-group-clear-dribble ()
3601 "Clear all information from the dribble buffer."
3603 (gnus-dribble-clear)
3604 (gnus-message 7 "Cleared dribble buffer"))
3606 (defun gnus-group-exit ()
3607 "Quit reading news after updating .newsrc.eld and .newsrc.
3608 The hook `gnus-exit-gnus-hook' is called before actually exiting."
3611 (or noninteractive ;For gnus-batch-kill
3612 (not gnus-interactive-exit) ;Without confirmation
3614 (gnus-y-or-n-p "Are you sure you want to quit reading news? "))
3615 (gnus-run-hooks 'gnus-exit-gnus-hook)
3616 ;; Offer to save data from non-quitted summary buffers.
3617 (gnus-offer-save-summaries)
3618 ;; Save the newsrc file(s).
3619 (gnus-save-newsrc-file)
3621 (gnus-close-backends)
3622 ;; Reset everything.
3624 ;; Allow the user to do things after cleaning up.
3625 (gnus-run-hooks 'gnus-after-exiting-gnus-hook)))
3627 (defun gnus-group-quit ()
3628 "Quit reading news without updating .newsrc.eld or .newsrc.
3629 The hook `gnus-exit-gnus-hook' is called before actually exiting."
3631 (when (or noninteractive ;For gnus-batch-kill
3632 (zerop (buffer-size))
3633 (not (gnus-server-opened gnus-select-method))
3635 (not gnus-current-startup-file)
3637 (format "Quit reading news without saving %s? "
3638 (file-name-nondirectory gnus-current-startup-file))))
3639 (gnus-run-hooks 'gnus-exit-gnus-hook)
3640 (gnus-configure-windows 'group t)
3642 (gnus-close-backends)
3644 (gnus-kill-buffer gnus-group-buffer)
3645 ;; Allow the user to do things after cleaning up.
3646 (gnus-run-hooks 'gnus-after-exiting-gnus-hook)))
3648 (defun gnus-group-describe-briefly ()
3649 "Give a one line description of the group mode commands."
3651 (gnus-message 7 (substitute-command-keys "\\<gnus-group-mode-map>\\[gnus-group-read-group]:Select \\[gnus-group-next-unread-group]:Forward \\[gnus-group-prev-unread-group]:Backward \\[gnus-group-exit]:Exit \\[gnus-info-find-node]:Run Info \\[gnus-group-describe-briefly]:This help")))
3653 (defun gnus-group-browse-foreign-server (method)
3654 "Browse a foreign news server.
3655 If called interactively, this function will ask for a select method
3656 (nntp, nnspool, etc.) and a server address (eg. nntp.some.where).
3657 If not, METHOD should be a list where the first element is the method
3658 and the second element is the address."
3660 (list (let ((how (completing-read
3662 (append gnus-valid-select-methods gnus-server-alist)
3663 nil t (cons "nntp" 0) 'gnus-method-history)))
3664 ;; We either got a backend name or a virtual server name.
3665 ;; If the first, we also need an address.
3666 (if (assoc how gnus-valid-select-methods)
3668 ;; Suggested by mapjph@bath.ac.uk.
3671 (mapcar (lambda (server) (list server))
3672 gnus-secondary-servers)))
3673 ;; We got a server name.
3675 (gnus-browse-foreign-server method))
3677 (defun gnus-group-set-info (info &optional method-only-group part)
3678 (when (or info part)
3679 (let* ((entry (gnus-gethash
3680 (or method-only-group (gnus-info-group info))
3681 gnus-newsrc-hashtb))
3683 (info (if method-only-group (nth 2 entry) info))
3685 (when method-only-group
3687 (error "Trying to change non-existent group %s" method-only-group))
3688 ;; We have received parts of the actual group info - either the
3689 ;; select method or the group parameters. We first check
3690 ;; whether we have to extend the info, and if so, do that.
3691 (let ((len (length info))
3692 (total (if (eq part 'method) 5 6)))
3694 (setcdr (nthcdr (1- len) info)
3695 (make-list (- total len) nil)))
3696 ;; Then we enter the new info.
3697 (setcar (nthcdr (1- total) info) part-info)))
3699 ;; This is a new group, so we just create it.
3701 (set-buffer gnus-group-buffer)
3702 (setq method (gnus-info-method info))
3703 (when (gnus-server-equal method "native")
3706 (set-buffer gnus-group-buffer)
3708 ;; It's a foreign group...
3709 (gnus-group-make-group
3710 (gnus-group-real-name (gnus-info-group info))
3711 (if (stringp method) method
3712 (prin1-to-string (car method)))
3714 (nth 1 (gnus-info-method info))))
3715 ;; It's a native group.
3716 (gnus-group-make-group (gnus-info-group info))))
3717 (gnus-message 6 "Note: New group created")
3719 (gnus-gethash (gnus-group-prefixed-name
3720 (gnus-group-real-name (gnus-info-group info))
3721 (or (gnus-info-method info) gnus-select-method))
3722 gnus-newsrc-hashtb))))
3723 ;; Whether it was a new group or not, we now have the entry, so we
3724 ;; can do the update.
3727 (setcar (nthcdr 2 entry) info)
3728 (when (and (not (eq (car entry) t))
3729 (gnus-active (gnus-info-group info)))
3730 (setcar entry (length (gnus-list-of-unread-articles (car info))))))
3731 (error "No such group: %s" (gnus-info-group info))))))
3733 (defun gnus-group-set-method-info (group select-method)
3734 (gnus-group-set-info select-method group 'method))
3736 (defun gnus-group-set-params-info (group params)
3737 (gnus-group-set-info params group 'params))
3739 (defun gnus-add-marked-articles (group type articles &optional info force)
3740 ;; Add ARTICLES of TYPE to the info of GROUP.
3741 ;; If INFO is non-nil, use that info. If FORCE is non-nil, don't
3742 ;; add, but replace marked articles of TYPE with ARTICLES.
3743 (let ((info (or info (gnus-get-info group)))
3746 (and (not (setq marked (nthcdr 3 info)))
3748 (setcdr (nthcdr 2 info)
3749 (list (list (cons type (gnus-compress-sequence
3751 (and (not (setq m (assq type (car marked))))
3754 (cons (cons type (gnus-compress-sequence articles t) )
3758 (setcar (nthcdr 3 info)
3759 (gnus-delete-alist type (car marked)))
3760 (setcdr m (gnus-compress-sequence articles t)))
3761 (setcdr m (gnus-compress-sequence
3762 (sort (nconc (gnus-uncompress-range (cdr m))
3763 (copy-sequence articles)) '<) t))))))
3766 ;;; Group timestamps
3769 (defun gnus-group-set-timestamp ()
3770 "Change the timestamp of the current group to the current time.
3771 This function can be used in hooks like `gnus-select-group-hook'
3772 or `gnus-group-catchup-group-hook'."
3773 (when gnus-newsgroup-name
3774 (let ((time (current-time)))
3775 (setcdr (cdr time) nil)
3776 (gnus-group-set-parameter gnus-newsgroup-name 'timestamp time))))
3778 (defsubst gnus-group-timestamp (group)
3779 "Return the timestamp for GROUP."
3780 (gnus-group-get-parameter group 'timestamp t))
3782 (defun gnus-group-timestamp-delta (group)
3783 "Return the offset in seconds from the timestamp for GROUP to the current time, as a floating point number."
3784 (let* ((time (or (gnus-group-timestamp group)
3786 (delta (subtract-time (current-time) time)))
3787 (+ (* (nth 0 delta) 65536.0)
3790 (defun gnus-group-timestamp-string (group)
3791 "Return a string of the timestamp for GROUP."
3792 (let ((time (gnus-group-timestamp group)))
3795 (gnus-time-iso8601 time))))
3797 (defun gnus-group-list-cached (level &optional lowest)
3798 "List all groups with cached articles.
3799 If the prefix LEVEL is non-nil, it should be a number that says which
3800 level to cut off listing groups.
3801 If LOWEST, don't list groups with level lower than LOWEST.
3803 This command may read the active file."
3806 (setq level (prefix-numeric-value level)))
3807 (when (or (not level) (>= level gnus-level-zombie))
3809 (funcall gnus-group-prepare-function
3810 (or level gnus-level-subscribed)
3812 (let ((marks (gnus-info-marks info)))
3813 (assq 'cache marks)))
3816 (or (gnus-gethash group
3817 gnus-cache-active-hashtb)
3818 ;; Cache active file might use "."
3821 (mapconcat 'identity
3822 (split-string group ":")
3824 gnus-cache-active-hashtb))))
3825 (goto-char (point-min))
3826 (gnus-group-position-point))
3828 (defun gnus-group-list-dormant (level &optional lowest)
3829 "List all groups with dormant articles.
3830 If the prefix LEVEL is non-nil, it should be a number that says which
3831 level to cut off listing groups.
3832 If LOWEST, don't list groups with level lower than LOWEST.
3834 This command may read the active file."
3837 (setq level (prefix-numeric-value level)))
3838 (when (or (not level) (>= level gnus-level-zombie))
3840 (funcall gnus-group-prepare-function
3841 (or level gnus-level-subscribed)
3843 (let ((marks (gnus-info-marks info)))
3844 (assq 'dormant marks)))
3847 (goto-char (point-min))
3848 (gnus-group-position-point))
3850 (defun gnus-group-listed-groups ()
3851 "Return a list of listed groups."
3853 (goto-char (point-min))
3854 (while (setq point (text-property-not-all (point) (point-max)
3857 (push (symbol-name (get-text-property point 'gnus-group)) groups)
3861 (defun gnus-group-list-plus (&optional args)
3862 "List groups plus the current selection."
3864 (let ((gnus-group-listed-groups (gnus-group-listed-groups))
3865 (gnus-group-list-mode gnus-group-list-mode) ;; Save it.
3867 (push last-command-event unread-command-events)
3868 (if (featurep 'xemacs)
3869 (push (make-event 'key-press '(key ?A)) unread-command-events)
3870 (push ?A unread-command-events))
3871 (let (gnus-pick-mode keys)
3872 (setq keys (if (featurep 'xemacs)
3873 (events-to-keys (read-key-sequence nil))
3874 (read-key-sequence nil)))
3875 (setq func (lookup-key (current-local-map) keys)))
3879 (call-interactively func))))
3881 (defun gnus-group-list-flush (&optional args)
3882 "Flush groups from the current selection."
3884 (let ((gnus-group-list-option 'flush))
3885 (gnus-group-list-plus args)))
3887 (defun gnus-group-list-limit (&optional args)
3888 "List groups limited within the current selection."
3890 (let ((gnus-group-list-option 'limit))
3891 (gnus-group-list-plus args)))
3893 (provide 'gnus-group)
3895 ;;; gnus-group.el ends here