|
0
|
1 ;;; gnus-topic.el --- a folding minor mode for Gnus group buffers
|
|
98
|
2 ;; Copyright (C) 1995,96,97 Free Software Foundation, Inc.
|
|
0
|
3
|
|
|
4 ;; Author: Ilja Weis <kult@uni-paderborn.de>
|
|
|
5 ;; Lars Magne Ingebrigtsen <larsi@ifi.uio.no>
|
|
|
6 ;; Keywords: news
|
|
|
7
|
|
|
8 ;; This file is part of GNU Emacs.
|
|
|
9
|
|
|
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)
|
|
|
13 ;; any later version.
|
|
|
14
|
|
|
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.
|
|
|
19
|
|
|
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.
|
|
|
24
|
|
|
25 ;;; Commentary:
|
|
|
26
|
|
|
27 ;;; Code:
|
|
|
28
|
|
|
29 (require 'gnus)
|
|
98
|
30 (require 'gnus-group)
|
|
|
31 (require 'gnus-start)
|
|
|
32
|
|
|
33 (defgroup gnus-topic nil
|
|
|
34 "Group topics."
|
|
|
35 :group 'gnus-group)
|
|
0
|
36
|
|
|
37 (defvar gnus-topic-mode nil
|
|
|
38 "Minor mode for Gnus group buffers.")
|
|
|
39
|
|
98
|
40 (defcustom gnus-topic-mode-hook nil
|
|
|
41 "Hook run in topic mode buffers."
|
|
|
42 :type 'hook
|
|
|
43 :group 'gnus-topic)
|
|
0
|
44
|
|
98
|
45 (defcustom gnus-topic-line-format "%i[ %(%{%n%}%) -- %A ]%v\n"
|
|
0
|
46 "Format of topic lines.
|
|
|
47 It works along the same lines as a normal formatting string,
|
|
|
48 with some simple extensions.
|
|
|
49
|
|
|
50 %i Indentation based on topic level.
|
|
|
51 %n Topic name.
|
|
|
52 %v Nothing if the topic is visible, \"...\" otherwise.
|
|
|
53 %g Number of groups in the topic.
|
|
|
54 %a Number of unread articles in the groups in the topic.
|
|
|
55 %A Number of unread articles in the groups in the topic and its subtopics.
|
|
98
|
56 "
|
|
|
57 :type 'string
|
|
|
58 :group 'gnus-topic)
|
|
0
|
59
|
|
98
|
60 (defcustom gnus-topic-indent-level 2
|
|
|
61 "*How much each subtopic should be indented."
|
|
|
62 :type 'integer
|
|
|
63 :group 'gnus-topic)
|
|
|
64
|
|
|
65 (defcustom gnus-topic-display-empty-topics t
|
|
|
66 "*If non-nil, display the topic lines even of topics that have no unread articles."
|
|
|
67 :type 'boolean
|
|
|
68 :group 'gnus-topic)
|
|
0
|
69
|
|
|
70 ;; Internal variables.
|
|
|
71
|
|
|
72 (defvar gnus-topic-active-topology nil)
|
|
|
73 (defvar gnus-topic-active-alist nil)
|
|
|
74
|
|
|
75 (defvar gnus-topology-checked-p nil
|
|
|
76 "Whether the topology has been checked in this session.")
|
|
|
77
|
|
|
78 (defvar gnus-topic-killed-topics nil)
|
|
|
79 (defvar gnus-topic-inhibit-change-level nil)
|
|
|
80 (defvar gnus-topic-tallied-groups nil)
|
|
|
81
|
|
|
82 (defconst gnus-topic-line-format-alist
|
|
|
83 `((?n name ?s)
|
|
|
84 (?v visible ?s)
|
|
|
85 (?i indentation ?s)
|
|
|
86 (?g number-of-groups ?d)
|
|
|
87 (?a (gnus-topic-articles-in-topic entries) ?d)
|
|
|
88 (?A total-number-of-articles ?d)
|
|
|
89 (?l level ?d)))
|
|
|
90
|
|
|
91 (defvar gnus-topic-line-format-spec nil)
|
|
|
92
|
|
98
|
93 ;;; Utility functions
|
|
0
|
94
|
|
|
95 (defun gnus-group-topic-name ()
|
|
|
96 "The name of the topic on the current line."
|
|
18
|
97 (let ((topic (get-text-property (gnus-point-at-bol) 'gnus-topic)))
|
|
0
|
98 (and topic (symbol-name topic))))
|
|
|
99
|
|
|
100 (defun gnus-group-topic-level ()
|
|
|
101 "The level of the topic on the current line."
|
|
18
|
102 (get-text-property (gnus-point-at-bol) 'gnus-topic-level))
|
|
0
|
103
|
|
|
104 (defun gnus-group-topic-unread ()
|
|
|
105 "The number of unread articles in topic on the current line."
|
|
18
|
106 (get-text-property (gnus-point-at-bol) 'gnus-topic-unread))
|
|
0
|
107
|
|
|
108 (defun gnus-topic-unread (topic)
|
|
|
109 "Return the number of unread articles in TOPIC."
|
|
|
110 (or (save-excursion
|
|
|
111 (and (gnus-topic-goto-topic topic)
|
|
|
112 (gnus-group-topic-unread)))
|
|
|
113 0))
|
|
|
114
|
|
98
|
115 (defun gnus-group-topic-p ()
|
|
|
116 "Return non-nil if the current line is a topic."
|
|
|
117 (gnus-group-topic-name))
|
|
0
|
118
|
|
98
|
119 (defun gnus-topic-visible-p ()
|
|
|
120 "Return non-nil if the current topic is visible."
|
|
|
121 (get-text-property (gnus-point-at-bol) 'gnus-topic-visible))
|
|
0
|
122
|
|
98
|
123 (defun gnus-topic-articles-in-topic (entries)
|
|
|
124 (let ((total 0)
|
|
|
125 number)
|
|
|
126 (while entries
|
|
|
127 (when (numberp (setq number (car (pop entries))))
|
|
|
128 (incf total number)))
|
|
|
129 total))
|
|
0
|
130
|
|
98
|
131 (defun gnus-group-topic (group)
|
|
|
132 "Return the topic GROUP is a member of."
|
|
|
133 (let ((alist gnus-topic-alist)
|
|
|
134 out)
|
|
|
135 (while alist
|
|
|
136 (when (member group (cdar alist))
|
|
|
137 (setq out (caar alist)
|
|
|
138 alist nil))
|
|
|
139 (setq alist (cdr alist)))
|
|
|
140 out))
|
|
0
|
141
|
|
98
|
142 (defun gnus-group-parent-topic (group)
|
|
|
143 "Return the topic GROUP is member of by looking at the group buffer."
|
|
|
144 (save-excursion
|
|
|
145 (set-buffer gnus-group-buffer)
|
|
|
146 (if (gnus-group-goto-group group)
|
|
|
147 (gnus-current-topic)
|
|
|
148 (gnus-group-topic group))))
|
|
|
149
|
|
|
150 (defun gnus-topic-goto-topic (topic)
|
|
|
151 "Go to TOPIC."
|
|
|
152 (when topic
|
|
|
153 (gnus-goto-char (text-property-any (point-min) (point-max)
|
|
|
154 'gnus-topic (intern topic)))))
|
|
0
|
155
|
|
98
|
156 (defun gnus-current-topic ()
|
|
|
157 "Return the name of the current topic."
|
|
|
158 (let ((result
|
|
|
159 (or (get-text-property (point) 'gnus-topic)
|
|
|
160 (save-excursion
|
|
|
161 (and (gnus-goto-char (previous-single-property-change
|
|
|
162 (point) 'gnus-topic))
|
|
|
163 (get-text-property (max (1- (point)) (point-min))
|
|
|
164 'gnus-topic))))))
|
|
|
165 (when result
|
|
|
166 (symbol-name result))))
|
|
|
167
|
|
|
168 (defun gnus-current-topics ()
|
|
|
169 "Return a list of all current topics, lowest in hierarchy first."
|
|
|
170 (let ((topic (gnus-current-topic))
|
|
|
171 topics)
|
|
|
172 (while topic
|
|
|
173 (push topic topics)
|
|
|
174 (setq topic (gnus-topic-parent-topic topic)))
|
|
|
175 (nreverse topics)))
|
|
|
176
|
|
|
177 (defun gnus-group-active-topic-p ()
|
|
|
178 "Say whether the current topic comes from the active topics."
|
|
|
179 (save-excursion
|
|
|
180 (beginning-of-line)
|
|
|
181 (get-text-property (point) 'gnus-active)))
|
|
0
|
182
|
|
|
183 (defun gnus-topic-find-groups (topic &optional level all)
|
|
|
184 "Return entries for all visible groups in TOPIC."
|
|
|
185 (let ((groups (cdr (assoc topic gnus-topic-alist)))
|
|
|
186 info clevel unread group lowest params visible-groups entry active)
|
|
|
187 (setq lowest (or lowest 1))
|
|
|
188 (setq level (or level 7))
|
|
|
189 ;; We go through the newsrc to look for matches.
|
|
|
190 (while groups
|
|
98
|
191 (when (setq group (pop groups))
|
|
|
192 (setq entry (gnus-gethash group gnus-newsrc-hashtb)
|
|
|
193 info (nth 2 entry)
|
|
|
194 params (gnus-info-params info)
|
|
|
195 active (gnus-active group)
|
|
|
196 unread (or (car entry)
|
|
|
197 (and (not (equal group "dummy.group"))
|
|
|
198 active
|
|
|
199 (- (1+ (cdr active)) (car active))))
|
|
|
200 clevel (or (gnus-info-level info)
|
|
|
201 (if (member group gnus-zombie-list) 8 9))))
|
|
108
|
202 (and
|
|
0
|
203 unread ; nil means that the group is dead.
|
|
98
|
204 (<= clevel level)
|
|
0
|
205 (>= clevel lowest) ; Is inside the level we want.
|
|
|
206 (or all
|
|
|
207 (if (eq unread t)
|
|
|
208 gnus-group-list-inactive-groups
|
|
|
209 (> unread 0))
|
|
|
210 (and gnus-list-groups-with-ticked-articles
|
|
|
211 (cdr (assq 'tick (gnus-info-marks info))))
|
|
|
212 ; Has right readedness.
|
|
|
213 ;; Check for permanent visibility.
|
|
|
214 (and gnus-permanently-visible-groups
|
|
|
215 (string-match gnus-permanently-visible-groups group))
|
|
|
216 (memq 'visible params)
|
|
|
217 (cdr (assq 'visible params)))
|
|
|
218 ;; Add this group to the list of visible groups.
|
|
|
219 (push (or entry group) visible-groups)))
|
|
|
220 (nreverse visible-groups)))
|
|
|
221
|
|
|
222 (defun gnus-topic-previous-topic (topic)
|
|
|
223 "Return the previous topic on the same level as TOPIC."
|
|
|
224 (let ((top (cddr (gnus-topic-find-topology
|
|
|
225 (gnus-topic-parent-topic topic)))))
|
|
|
226 (unless (equal topic (caaar top))
|
|
|
227 (while (and top (not (equal (caaadr top) topic)))
|
|
|
228 (setq top (cdr top)))
|
|
|
229 (caaar top))))
|
|
|
230
|
|
|
231 (defun gnus-topic-parent-topic (topic &optional topology)
|
|
|
232 "Return the parent of TOPIC."
|
|
|
233 (unless topology
|
|
|
234 (setq topology gnus-topic-topology))
|
|
|
235 (let ((parent (car (pop topology)))
|
|
|
236 result found)
|
|
|
237 (while (and topology
|
|
|
238 (not (setq found (equal (caaar topology) topic)))
|
|
110
|
239 (not (setq result (gnus-topic-parent-topic
|
|
|
240 topic (car topology)))))
|
|
0
|
241 (setq topology (cdr topology)))
|
|
|
242 (or result (and found parent))))
|
|
|
243
|
|
|
244 (defun gnus-topic-next-topic (topic &optional previous)
|
|
|
245 "Return the next sibling of TOPIC."
|
|
108
|
246 (let ((parentt (cddr (gnus-topic-find-topology
|
|
0
|
247 (gnus-topic-parent-topic topic))))
|
|
|
248 prev)
|
|
|
249 (while (and parentt
|
|
|
250 (not (equal (caaar parentt) topic)))
|
|
|
251 (setq prev (caaar parentt)
|
|
|
252 parentt (cdr parentt)))
|
|
|
253 (if previous
|
|
|
254 prev
|
|
|
255 (caaadr parentt))))
|
|
|
256
|
|
118
|
257 (defun gnus-topic-forward-topic (num)
|
|
|
258 "Go to the next topic on the same level as the current one."
|
|
|
259 (let* ((topic (gnus-current-topic))
|
|
|
260 (way (if (< num 0) 'gnus-topic-previous-topic
|
|
|
261 'gnus-topic-next-topic))
|
|
|
262 (num (abs num)))
|
|
|
263 (while (and (not (zerop num))
|
|
|
264 (setq topic (funcall way topic)))
|
|
|
265 (when (gnus-topic-goto-topic topic)
|
|
|
266 (decf num)))
|
|
|
267 (unless (zerop num)
|
|
|
268 (goto-char (point-max)))
|
|
|
269 num))
|
|
|
270
|
|
0
|
271 (defun gnus-topic-find-topology (topic &optional topology level remove)
|
|
|
272 "Return the topology of TOPIC."
|
|
|
273 (unless topology
|
|
|
274 (setq topology gnus-topic-topology)
|
|
|
275 (setq level 0))
|
|
|
276 (let ((top topology)
|
|
|
277 result)
|
|
|
278 (if (equal (caar topology) topic)
|
|
|
279 (progn
|
|
|
280 (when remove
|
|
|
281 (delq topology remove))
|
|
|
282 (cons level topology))
|
|
|
283 (setq topology (cdr topology))
|
|
|
284 (while (and topology
|
|
|
285 (not (setq result (gnus-topic-find-topology
|
|
|
286 topic (car topology) (1+ level)
|
|
|
287 (and remove top)))))
|
|
|
288 (setq topology (cdr topology)))
|
|
|
289 result)))
|
|
|
290
|
|
70
|
291 (defvar gnus-tmp-topics nil)
|
|
|
292 (defun gnus-topic-list (&optional topology)
|
|
98
|
293 "Return a list of all topics in the topology."
|
|
70
|
294 (unless topology
|
|
108
|
295 (setq topology gnus-topic-topology
|
|
70
|
296 gnus-tmp-topics nil))
|
|
|
297 (push (caar topology) gnus-tmp-topics)
|
|
|
298 (mapcar 'gnus-topic-list (cdr topology))
|
|
|
299 gnus-tmp-topics)
|
|
0
|
300
|
|
98
|
301 ;;; Topic parameter jazz
|
|
|
302
|
|
|
303 (defun gnus-topic-parameters (topic)
|
|
|
304 "Return the parameters for TOPIC."
|
|
|
305 (let ((top (gnus-topic-find-topology topic)))
|
|
|
306 (when top
|
|
|
307 (nth 3 (cadr top)))))
|
|
|
308
|
|
|
309 (defun gnus-topic-set-parameters (topic parameters)
|
|
|
310 "Set the topic parameters of TOPIC to PARAMETERS."
|
|
|
311 (let ((top (gnus-topic-find-topology topic)))
|
|
|
312 (unless top
|
|
|
313 (error "No such topic: %s" topic))
|
|
|
314 ;; We may have to extend if there is no parameters here
|
|
|
315 ;; to begin with.
|
|
|
316 (unless (nthcdr 2 (cadr top))
|
|
|
317 (nconc (cadr top) (list nil)))
|
|
|
318 (unless (nthcdr 3 (cadr top))
|
|
|
319 (nconc (cadr top) (list nil)))
|
|
|
320 (setcar (nthcdr 3 (cadr top)) parameters)
|
|
|
321 (gnus-dribble-enter
|
|
|
322 (format "(gnus-topic-set-parameters %S '%S)" topic parameters))))
|
|
|
323
|
|
|
324 (defun gnus-group-topic-parameters (group)
|
|
|
325 "Compute the group parameters for GROUP taking into account inheritance from topics."
|
|
|
326 (let ((params-list (list (gnus-group-get-parameter group)))
|
|
|
327 topics params param out)
|
|
|
328 (save-excursion
|
|
|
329 (gnus-group-goto-group group)
|
|
|
330 (setq topics (gnus-current-topics))
|
|
|
331 (while topics
|
|
|
332 (push (gnus-topic-parameters (pop topics)) params-list))
|
|
|
333 ;; We probably have lots of nil elements here, so
|
|
|
334 ;; we remove them. Probably faster than doing this "properly".
|
|
|
335 (setq params-list (delq nil params-list))
|
|
|
336 ;; Now we have all the parameters, so we go through them
|
|
|
337 ;; and do inheritance in the obvious way.
|
|
|
338 (while (setq params (pop params-list))
|
|
|
339 (while (setq param (pop params))
|
|
|
340 (when (atom param)
|
|
|
341 (setq param (cons param t)))
|
|
|
342 ;; Override any old versions of this param.
|
|
|
343 (setq out (delq (assq (car param) out) out))
|
|
|
344 (push param out)))
|
|
|
345 ;; Return the resulting parameter list.
|
|
|
346 out)))
|
|
|
347
|
|
|
348 ;;; General utility functions
|
|
|
349
|
|
70
|
350 (defun gnus-topic-enter-dribble ()
|
|
|
351 (gnus-dribble-enter
|
|
|
352 (format "(setq gnus-topic-topology '%S)" gnus-topic-topology)))
|
|
0
|
353
|
|
98
|
354 ;;; Generating group buffers
|
|
|
355
|
|
|
356 (defun gnus-group-prepare-topics (level &optional all lowest regexp list-topic topic-level)
|
|
|
357 "List all newsgroups with unread articles of level LEVEL or lower, and
|
|
|
358 use the `gnus-group-topics' to sort the groups.
|
|
|
359 If ALL is non-nil, list groups that have no unread articles.
|
|
|
360 If LOWEST is non-nil, list all newsgroups of level LOWEST or higher."
|
|
|
361 (set-buffer gnus-group-buffer)
|
|
|
362 (let ((buffer-read-only nil)
|
|
|
363 (lowest (or lowest 1)))
|
|
|
364
|
|
|
365 (setq gnus-topic-tallied-groups nil)
|
|
|
366
|
|
|
367 (when (or (not gnus-topic-alist)
|
|
|
368 (not gnus-topology-checked-p))
|
|
|
369 (gnus-topic-check-topology))
|
|
70
|
370
|
|
108
|
371 (unless list-topic
|
|
98
|
372 (erase-buffer))
|
|
108
|
373
|
|
98
|
374 ;; List dead groups?
|
|
|
375 (when (and (>= level gnus-level-zombie) (<= lowest gnus-level-zombie))
|
|
108
|
376 (gnus-group-prepare-flat-list-dead
|
|
98
|
377 (setq gnus-zombie-list (sort gnus-zombie-list 'string<))
|
|
|
378 gnus-level-zombie ?Z
|
|
|
379 regexp))
|
|
108
|
380
|
|
98
|
381 (when (and (>= level gnus-level-killed) (<= lowest gnus-level-killed))
|
|
108
|
382 (gnus-group-prepare-flat-list-dead
|
|
98
|
383 (setq gnus-killed-list (sort gnus-killed-list 'string<))
|
|
|
384 gnus-level-killed ?K
|
|
|
385 regexp))
|
|
|
386
|
|
|
387 ;; Use topics.
|
|
|
388 (prog1
|
|
|
389 (when (< lowest gnus-level-zombie)
|
|
|
390 (if list-topic
|
|
|
391 (let ((top (gnus-topic-find-topology list-topic)))
|
|
|
392 (gnus-topic-prepare-topic (cdr top) (car top)
|
|
|
393 (or topic-level level) all))
|
|
|
394 (gnus-topic-prepare-topic gnus-topic-topology 0
|
|
|
395 (or topic-level level) all)))
|
|
108
|
396
|
|
98
|
397 (gnus-group-set-mode-line)
|
|
|
398 (setq gnus-group-list-mode (cons level all))
|
|
|
399 (run-hooks 'gnus-group-prepare-hook))))
|
|
70
|
400
|
|
98
|
401 (defun gnus-topic-prepare-topic (topicl level &optional list-level all silent)
|
|
|
402 "Insert TOPIC into the group buffer.
|
|
|
403 If SILENT, don't insert anything. Return the number of unread
|
|
|
404 articles in the topic and its subtopics."
|
|
|
405 (let* ((type (pop topicl))
|
|
|
406 (entries (gnus-topic-find-groups (car type) list-level all))
|
|
|
407 (visiblep (and (eq (nth 1 type) 'visible) (not silent)))
|
|
108
|
408 (gnus-group-indentation
|
|
98
|
409 (make-string (* gnus-topic-indent-level level) ? ))
|
|
|
410 (beg (progn (beginning-of-line) (point)))
|
|
|
411 (topicl (reverse topicl))
|
|
|
412 (all-entries entries)
|
|
|
413 (point-max (point-max))
|
|
|
414 (unread 0)
|
|
|
415 (topic (car type))
|
|
|
416 info entry end active tick)
|
|
|
417 ;; Insert any sub-topics.
|
|
|
418 (while topicl
|
|
|
419 (incf unread
|
|
108
|
420 (gnus-topic-prepare-topic
|
|
98
|
421 (pop topicl) (1+ level) list-level all
|
|
|
422 (not visiblep))))
|
|
|
423 (setq end (point))
|
|
|
424 (goto-char beg)
|
|
|
425 ;; Insert all the groups that belong in this topic.
|
|
|
426 (while (setq entry (pop entries))
|
|
108
|
427 (when visiblep
|
|
98
|
428 (if (stringp entry)
|
|
|
429 ;; Dead groups.
|
|
|
430 (gnus-group-insert-group-line
|
|
|
431 entry (if (member entry gnus-zombie-list) 8 9)
|
|
|
432 nil (- (1+ (cdr (setq active (gnus-active entry))))
|
|
|
433 (car active))
|
|
|
434 nil)
|
|
|
435 ;; Living groups.
|
|
|
436 (when (setq info (nth 2 entry))
|
|
108
|
437 (gnus-group-insert-group-line
|
|
98
|
438 (gnus-info-group info)
|
|
|
439 (gnus-info-level info) (gnus-info-marks info)
|
|
|
440 (car entry) (gnus-info-method info)))))
|
|
|
441 (when (and (listp entry)
|
|
|
442 (numberp (car entry))
|
|
|
443 (not (member (gnus-info-group (setq info (nth 2 entry)))
|
|
|
444 gnus-topic-tallied-groups)))
|
|
|
445 (push (gnus-info-group info) gnus-topic-tallied-groups)
|
|
|
446 (incf unread (car entry)))
|
|
100
|
447 (when (listp entry)
|
|
98
|
448 (setq tick t)))
|
|
|
449 (goto-char beg)
|
|
|
450 ;; Insert the topic line.
|
|
|
451 (when (and (not silent)
|
|
|
452 (or gnus-topic-display-empty-topics ;We want empty topics
|
|
|
453 (not (zerop unread)) ;Non-empty
|
|
108
|
454 tick ;Ticked articles
|
|
98
|
455 (/= point-max (point-max)))) ;Unactivated groups
|
|
|
456 (gnus-extent-start-open (point))
|
|
108
|
457 (gnus-topic-insert-topic-line
|
|
98
|
458 (car type) visiblep
|
|
|
459 (not (eq (nth 2 type) 'hidden))
|
|
|
460 level all-entries unread))
|
|
|
461 (goto-char end)
|
|
|
462 unread))
|
|
0
|
463
|
|
98
|
464 (defun gnus-topic-remove-topic (&optional insert total-remove hide in-level)
|
|
|
465 "Remove the current topic."
|
|
|
466 (let ((topic (gnus-group-topic-name))
|
|
|
467 (level (gnus-group-topic-level))
|
|
|
468 (beg (progn (beginning-of-line) (point)))
|
|
|
469 buffer-read-only)
|
|
|
470 (when topic
|
|
|
471 (while (and (zerop (forward-line 1))
|
|
|
472 (> (or (gnus-group-topic-level) (1+ level)) level)))
|
|
|
473 (delete-region beg (point))
|
|
|
474 ;; Do the change in this rather odd manner because it has been
|
|
|
475 ;; reported that some topics share parts of some lists, for some
|
|
|
476 ;; reason. I have been unable to determine why this is the
|
|
|
477 ;; case, but this hack seems to take care of things.
|
|
|
478 (let ((data (cadr (gnus-topic-find-topology topic))))
|
|
|
479 (setcdr data
|
|
|
480 (list (if insert 'visible 'invisible)
|
|
|
481 (if hide 'hide nil)
|
|
|
482 (cadddr data))))
|
|
|
483 (if total-remove
|
|
|
484 (setq gnus-topic-alist
|
|
|
485 (delq (assoc topic gnus-topic-alist) gnus-topic-alist))
|
|
|
486 (gnus-topic-insert-topic topic in-level)))))
|
|
|
487
|
|
|
488 (defun gnus-topic-insert-topic (topic &optional level)
|
|
|
489 "Insert TOPIC."
|
|
108
|
490 (gnus-group-prepare-topics
|
|
98
|
491 (car gnus-group-list-mode) (cdr gnus-group-list-mode)
|
|
|
492 nil nil topic level))
|
|
108
|
493
|
|
98
|
494 (defun gnus-topic-fold (&optional insert)
|
|
|
495 "Remove/insert the current topic."
|
|
|
496 (let ((topic (gnus-group-topic-name)))
|
|
|
497 (when topic
|
|
|
498 (save-excursion
|
|
|
499 (if (not (gnus-group-active-topic-p))
|
|
|
500 (gnus-topic-remove-topic
|
|
|
501 (or insert (not (gnus-topic-visible-p))))
|
|
|
502 (let ((gnus-topic-topology gnus-topic-active-topology)
|
|
|
503 (gnus-topic-alist gnus-topic-active-alist)
|
|
|
504 (gnus-group-list-mode (cons 5 t)))
|
|
|
505 (gnus-topic-remove-topic
|
|
100
|
506 (or insert (not (gnus-topic-visible-p))) nil nil 9)
|
|
|
507 (gnus-topic-enter-dribble)))))))
|
|
98
|
508
|
|
108
|
509 (defun gnus-topic-insert-topic-line (name visiblep shownp level entries
|
|
98
|
510 &optional unread)
|
|
|
511 (let* ((visible (if visiblep "" "..."))
|
|
|
512 (indentation (make-string (* gnus-topic-indent-level level) ? ))
|
|
|
513 (total-number-of-articles unread)
|
|
|
514 (number-of-groups (length entries))
|
|
|
515 (active-topic (eq gnus-topic-alist gnus-topic-active-alist)))
|
|
|
516 (beginning-of-line)
|
|
|
517 ;; Insert the text.
|
|
108
|
518 (gnus-add-text-properties
|
|
98
|
519 (point)
|
|
|
520 (prog1 (1+ (point))
|
|
|
521 (eval gnus-topic-line-format-spec)
|
|
|
522 (gnus-topic-remove-excess-properties)1)
|
|
|
523 (list 'gnus-topic (intern name)
|
|
|
524 'gnus-topic-level level
|
|
|
525 'gnus-topic-unread unread
|
|
|
526 'gnus-active active-topic
|
|
|
527 'gnus-topic-visible visiblep))))
|
|
|
528
|
|
|
529 (defun gnus-topic-update-topics-containing-group (group)
|
|
|
530 "Update all topics that have GROUP as a member."
|
|
|
531 (when (and (eq major-mode 'gnus-group-mode)
|
|
|
532 gnus-topic-mode)
|
|
|
533 (save-excursion
|
|
|
534 (let ((alist gnus-topic-alist))
|
|
|
535 ;; This is probably not entirely correct. If a topic
|
|
|
536 ;; isn't shown, then it's not updated. But the updating
|
|
|
537 ;; should be performed in any case, since the topic's
|
|
|
538 ;; parent should be updated. Pfft.
|
|
|
539 (while alist
|
|
|
540 (when (and (member group (cdar alist))
|
|
|
541 (gnus-topic-goto-topic (caar alist)))
|
|
|
542 (gnus-topic-update-topic-line (caar alist)))
|
|
|
543 (pop alist))))))
|
|
|
544
|
|
70
|
545 (defun gnus-topic-update-topic ()
|
|
|
546 "Update all parent topics to the current group."
|
|
|
547 (when (and (eq major-mode 'gnus-group-mode)
|
|
|
548 gnus-topic-mode)
|
|
|
549 (let ((group (gnus-group-group-name))
|
|
140
|
550 (m (point-marker))
|
|
70
|
551 (buffer-read-only nil))
|
|
108
|
552 (when (and group
|
|
98
|
553 (gnus-get-info group)
|
|
|
554 (gnus-topic-goto-topic (gnus-current-topic)))
|
|
70
|
555 (gnus-topic-update-topic-line (gnus-group-topic-name))
|
|
140
|
556 (goto-char m)
|
|
|
557 (set-marker m nil)
|
|
70
|
558 (gnus-group-position-point)))))
|
|
0
|
559
|
|
98
|
560 (defun gnus-topic-goto-missing-group (group)
|
|
70
|
561 "Place point where GROUP is supposed to be inserted."
|
|
|
562 (let* ((topic (gnus-group-topic group))
|
|
|
563 (groups (cdr (assoc topic gnus-topic-alist)))
|
|
|
564 (g (cdr (member group groups)))
|
|
|
565 (unfound t))
|
|
98
|
566 ;; Try to jump to a visible group.
|
|
|
567 (while (and g (not (gnus-group-goto-group (car g) t)))
|
|
|
568 (pop g))
|
|
|
569 ;; It wasn't visible, so we try to see where to insert it.
|
|
|
570 (when (not g)
|
|
70
|
571 (setq g (cdr (member group (reverse groups))))
|
|
|
572 (while (and g unfound)
|
|
98
|
573 (when (gnus-group-goto-group (pop g) t)
|
|
70
|
574 (forward-line 1)
|
|
|
575 (setq unfound nil)))
|
|
118
|
576 (when (and unfound
|
|
120
|
577 topic
|
|
118
|
578 (not (gnus-topic-goto-missing-topic topic)))
|
|
|
579 (gnus-topic-insert-topic-line
|
|
|
580 topic t t (car (gnus-topic-find-topology topic)) nil 0)))))
|
|
|
581
|
|
|
582 (defun gnus-topic-goto-missing-topic (topic)
|
|
|
583 (if (gnus-topic-goto-topic topic)
|
|
|
584 (forward-line 1)
|
|
|
585 ;; Topic not displayed.
|
|
|
586 (let* ((top (gnus-topic-find-topology
|
|
|
587 (gnus-topic-parent-topic topic)))
|
|
|
588 (tp (reverse (cddr top))))
|
|
|
589 (while (not (equal (caaar tp) topic))
|
|
|
590 (setq tp (cdr tp)))
|
|
|
591 (pop tp)
|
|
|
592 (while (and tp
|
|
|
593 (not (gnus-topic-goto-topic (caaar tp))))
|
|
|
594 (pop tp))
|
|
|
595 (if tp
|
|
|
596 (gnus-topic-forward-topic 1)
|
|
|
597 (gnus-topic-goto-missing-topic (caadr top))))
|
|
|
598 nil))
|
|
0
|
599
|
|
70
|
600 (defun gnus-topic-update-topic-line (topic-name &optional reads)
|
|
|
601 (let* ((top (gnus-topic-find-topology topic-name))
|
|
|
602 (type (cadr top))
|
|
|
603 (children (cddr top))
|
|
108
|
604 (entries (gnus-topic-find-groups
|
|
70
|
605 (car type) (car gnus-group-list-mode)
|
|
|
606 (cdr gnus-group-list-mode)))
|
|
|
607 (parent (gnus-topic-parent-topic topic-name))
|
|
|
608 (all-entries entries)
|
|
|
609 (unread 0)
|
|
|
610 old-unread entry)
|
|
|
611 (when (gnus-topic-goto-topic (car type))
|
|
|
612 ;; Tally all the groups that belong in this topic.
|
|
|
613 (if reads
|
|
|
614 (setq unread (- (gnus-group-topic-unread) reads))
|
|
|
615 (while children
|
|
|
616 (incf unread (gnus-topic-unread (caar (pop children)))))
|
|
|
617 (while (setq entry (pop entries))
|
|
|
618 (when (numberp (car entry))
|
|
|
619 (incf unread (car entry)))))
|
|
|
620 (setq old-unread (gnus-group-topic-unread))
|
|
|
621 ;; Insert the topic line.
|
|
108
|
622 (gnus-topic-insert-topic-line
|
|
70
|
623 (car type) (gnus-topic-visible-p)
|
|
|
624 (not (eq (nth 2 type) 'hidden))
|
|
|
625 (gnus-group-topic-level) all-entries unread)
|
|
|
626 (gnus-delete-line))
|
|
|
627 (when parent
|
|
|
628 (forward-line -1)
|
|
|
629 (gnus-topic-update-topic-line
|
|
|
630 parent (- old-unread (gnus-group-topic-unread))))
|
|
|
631 unread))
|
|
0
|
632
|
|
98
|
633 (defun gnus-topic-group-indentation ()
|
|
108
|
634 (make-string
|
|
98
|
635 (* gnus-topic-indent-level
|
|
|
636 (or (save-excursion
|
|
|
637 (forward-line -1)
|
|
|
638 (gnus-topic-goto-topic (gnus-current-topic))
|
|
|
639 (gnus-group-topic-level))
|
|
|
640 0))
|
|
|
641 ? ))
|
|
|
642
|
|
|
643 ;;; Initialization
|
|
|
644
|
|
|
645 (gnus-add-shutdown 'gnus-topic-close 'gnus)
|
|
|
646
|
|
|
647 (defun gnus-topic-close ()
|
|
|
648 (setq gnus-topic-active-topology nil
|
|
|
649 gnus-topic-active-alist nil
|
|
|
650 gnus-topic-killed-topics nil
|
|
|
651 gnus-topic-tallied-groups nil
|
|
|
652 gnus-topology-checked-p nil))
|
|
|
653
|
|
|
654 (defun gnus-topic-check-topology ()
|
|
|
655 ;; The first time we set the topology to whatever we have
|
|
|
656 ;; gotten here, which can be rather random.
|
|
|
657 (unless gnus-topic-alist
|
|
|
658 (gnus-topic-init-alist))
|
|
|
659
|
|
|
660 (setq gnus-topology-checked-p t)
|
|
|
661 ;; Go through the topic alist and make sure that all topics
|
|
|
662 ;; are in the topic topology.
|
|
|
663 (let ((topics (gnus-topic-list))
|
|
|
664 (alist gnus-topic-alist)
|
|
|
665 changed)
|
|
|
666 (while alist
|
|
|
667 (unless (member (caar alist) topics)
|
|
|
668 (nconc gnus-topic-topology
|
|
|
669 (list (list (list (caar alist) 'visible))))
|
|
|
670 (setq changed t))
|
|
|
671 (setq alist (cdr alist)))
|
|
|
672 (when changed
|
|
|
673 (gnus-topic-enter-dribble))
|
|
|
674 ;; Conversely, go through the topology and make sure that all
|
|
|
675 ;; topologies have alists.
|
|
|
676 (while topics
|
|
|
677 (unless (assoc (car topics) gnus-topic-alist)
|
|
|
678 (push (list (car topics)) gnus-topic-alist))
|
|
|
679 (pop topics)))
|
|
|
680 ;; Go through all living groups and make sure that
|
|
|
681 ;; they belong to some topic.
|
|
|
682 (let* ((tgroups (apply 'append (mapcar (lambda (entry) (cdr entry))
|
|
|
683 gnus-topic-alist)))
|
|
|
684 (entry (assoc (caar gnus-topic-topology) gnus-topic-alist))
|
|
|
685 (newsrc (cdr gnus-newsrc-alist))
|
|
|
686 group)
|
|
|
687 (while newsrc
|
|
|
688 (unless (member (setq group (gnus-info-group (pop newsrc))) tgroups)
|
|
|
689 (setcdr entry (cons group (cdr entry))))))
|
|
|
690 ;; Go through all topics and make sure they contain only living groups.
|
|
|
691 (let ((alist gnus-topic-alist)
|
|
|
692 topic)
|
|
|
693 (while (setq topic (pop alist))
|
|
|
694 (while (cdr topic)
|
|
|
695 (if (gnus-gethash (cadr topic) gnus-newsrc-hashtb)
|
|
|
696 (setq topic (cdr topic))
|
|
|
697 (setcdr topic (cddr topic)))))))
|
|
|
698
|
|
|
699 (defun gnus-topic-init-alist ()
|
|
|
700 "Initialize the topic structures."
|
|
|
701 (setq gnus-topic-topology
|
|
|
702 (cons (list "Gnus" 'visible)
|
|
|
703 (mapcar (lambda (topic)
|
|
|
704 (list (list (car topic) 'visible)))
|
|
|
705 '(("misc")))))
|
|
|
706 (setq gnus-topic-alist
|
|
|
707 (list (cons "misc"
|
|
|
708 (mapcar (lambda (info) (gnus-info-group info))
|
|
|
709 (cdr gnus-newsrc-alist)))
|
|
|
710 (list "Gnus")))
|
|
|
711 (gnus-topic-enter-dribble))
|
|
|
712
|
|
|
713 ;;; Maintenance
|
|
|
714
|
|
|
715 (defun gnus-topic-clean-alist ()
|
|
|
716 "Remove bogus groups from the topic alist."
|
|
|
717 (let ((topic-alist gnus-topic-alist)
|
|
|
718 result topic)
|
|
|
719 (unless gnus-killed-hashtb
|
|
|
720 (gnus-make-hashtable-from-killed))
|
|
|
721 (while (setq topic (pop topic-alist))
|
|
|
722 (let ((topic-name (pop topic))
|
|
|
723 group filtered-topic)
|
|
|
724 (while (setq group (pop topic))
|
|
|
725 (when (and (or (gnus-gethash group gnus-active-hashtb)
|
|
|
726 (gnus-info-method (gnus-get-info group)))
|
|
|
727 (not (gnus-gethash group gnus-killed-hashtb)))
|
|
|
728 (push group filtered-topic)))
|
|
|
729 (push (cons topic-name (nreverse filtered-topic)) result)))
|
|
|
730 (setq gnus-topic-alist (nreverse result))))
|
|
|
731
|
|
|
732 (defun gnus-topic-change-level (group level oldlevel)
|
|
|
733 "Run when changing levels to enter/remove groups from topics."
|
|
|
734 (save-excursion
|
|
|
735 (set-buffer gnus-group-buffer)
|
|
108
|
736 (when (and gnus-topic-mode
|
|
98
|
737 gnus-topic-alist
|
|
|
738 (not gnus-topic-inhibit-change-level))
|
|
|
739 ;; Remove the group from the topics.
|
|
|
740 (when (and (< oldlevel gnus-level-zombie)
|
|
|
741 (>= level gnus-level-zombie))
|
|
|
742 (let (alist)
|
|
|
743 (forward-line -1)
|
|
|
744 (when (setq alist (assoc (gnus-current-topic) gnus-topic-alist))
|
|
|
745 (setcdr alist (gnus-delete-first group (cdr alist))))))
|
|
|
746 ;; If the group is subscribed we enter it into the topics.
|
|
|
747 (when (and (< level gnus-level-zombie)
|
|
|
748 (>= oldlevel gnus-level-zombie))
|
|
|
749 (let* ((prev (gnus-group-group-name))
|
|
|
750 (gnus-topic-inhibit-change-level t)
|
|
|
751 (gnus-group-indentation
|
|
108
|
752 (make-string
|
|
98
|
753 (* gnus-topic-indent-level
|
|
|
754 (or (save-excursion
|
|
|
755 (gnus-topic-goto-topic (gnus-current-topic))
|
|
|
756 (gnus-group-topic-level))
|
|
|
757 0))
|
|
|
758 ? ))
|
|
|
759 (yanked (list group))
|
|
|
760 alist talist end)
|
|
|
761 ;; Then we enter the yanked groups into the topics they belong
|
|
108
|
762 ;; to.
|
|
98
|
763 (when (setq alist (assoc (save-excursion
|
|
|
764 (forward-line -1)
|
|
|
765 (or
|
|
|
766 (gnus-current-topic)
|
|
|
767 (caar gnus-topic-topology)))
|
|
|
768 gnus-topic-alist))
|
|
|
769 (setq talist alist)
|
|
|
770 (when (stringp yanked)
|
|
|
771 (setq yanked (list yanked)))
|
|
|
772 (if (not prev)
|
|
|
773 (nconc alist yanked)
|
|
|
774 (if (not (cdr alist))
|
|
|
775 (setcdr alist (nconc yanked (cdr alist)))
|
|
|
776 (while (and (not end) (cdr alist))
|
|
|
777 (when (equal (cadr alist) prev)
|
|
|
778 (setcdr alist (nconc yanked (cdr alist)))
|
|
|
779 (setq end t))
|
|
|
780 (setq alist (cdr alist)))
|
|
|
781 (unless end
|
|
|
782 (nconc talist yanked))))))
|
|
|
783 (gnus-topic-update-topic)))))
|
|
|
784
|
|
|
785 (defun gnus-topic-goto-next-group (group props)
|
|
|
786 "Go to group or the next group after group."
|
|
|
787 (if (not group)
|
|
|
788 (if (not (memq 'gnus-topic props))
|
|
|
789 (goto-char (point-max))
|
|
|
790 (gnus-topic-goto-topic (symbol-name (cadr (memq 'gnus-topic props)))))
|
|
|
791 (if (gnus-group-goto-group group)
|
|
|
792 t
|
|
|
793 ;; The group is no longer visible.
|
|
|
794 (let* ((list (assoc (gnus-group-topic group) gnus-topic-alist))
|
|
|
795 (after (cdr (member group (cdr list)))))
|
|
|
796 ;; First try to put point on a group after the current one.
|
|
|
797 (while (and after
|
|
|
798 (not (gnus-group-goto-group (car after))))
|
|
|
799 (setq after (cdr after)))
|
|
|
800 ;; Then try to put point on a group before point.
|
|
|
801 (unless after
|
|
|
802 (setq after (cdr (member group (reverse (cdr list)))))
|
|
108
|
803 (while (and after
|
|
98
|
804 (not (gnus-group-goto-group (car after))))
|
|
|
805 (setq after (cdr after))))
|
|
|
806 ;; Finally, just put point on the topic.
|
|
|
807 (if (not (car list))
|
|
|
808 (goto-char (point-min))
|
|
|
809 (unless after
|
|
|
810 (gnus-topic-goto-topic (car list))
|
|
|
811 (setq after nil)))
|
|
|
812 t))))
|
|
|
813
|
|
|
814 ;;; Topic-active functions
|
|
|
815
|
|
0
|
816 (defun gnus-topic-grok-active (&optional force)
|
|
|
817 "Parse all active groups and create topic structures for them."
|
|
108
|
818 ;; First we make sure that we have really read the active file.
|
|
0
|
819 (when (or force
|
|
|
820 (not gnus-topic-active-alist))
|
|
|
821 (let (groups)
|
|
|
822 ;; Get a list of all groups available.
|
|
|
823 (mapatoms (lambda (g) (when (symbol-value g)
|
|
|
824 (push (symbol-name g) groups)))
|
|
|
825 gnus-active-hashtb)
|
|
|
826 (setq groups (sort groups 'string<))
|
|
|
827 ;; Init the variables.
|
|
|
828 (setq gnus-topic-active-topology (list (list "" 'visible)))
|
|
|
829 (setq gnus-topic-active-alist nil)
|
|
|
830 ;; Descend the top-level hierarchy.
|
|
|
831 (gnus-topic-grok-active-1 gnus-topic-active-topology groups)
|
|
|
832 ;; Set the top-level topic names to something nice.
|
|
|
833 (setcar (car gnus-topic-active-topology) "Gnus active")
|
|
|
834 (setcar (car gnus-topic-active-alist) "Gnus active"))))
|
|
|
835
|
|
|
836 (defun gnus-topic-grok-active-1 (topology groups)
|
|
|
837 (let* ((name (caar topology))
|
|
|
838 (prefix (concat "^" (regexp-quote name)))
|
|
|
839 tgroups ntopology group)
|
|
|
840 (while (and groups
|
|
|
841 (string-match prefix (setq group (car groups))))
|
|
|
842 (if (not (string-match "\\." group (match-end 0)))
|
|
|
843 ;; There are no further hierarchies here, so we just
|
|
|
844 ;; enter this group into the list belonging to this
|
|
|
845 ;; topic.
|
|
|
846 (push (pop groups) tgroups)
|
|
|
847 ;; New sub-hierarchy, so we add it to the topology.
|
|
108
|
848 (nconc topology (list (setq ntopology
|
|
|
849 (list (list (substring
|
|
0
|
850 group 0 (match-end 0))
|
|
|
851 'invisible)))))
|
|
|
852 ;; Descend the hierarchy.
|
|
|
853 (setq groups (gnus-topic-grok-active-1 ntopology groups))))
|
|
|
854 ;; We remove the trailing "." from the topic name.
|
|
|
855 (setq name
|
|
|
856 (if (string-match "\\.$" name)
|
|
|
857 (substring name 0 (match-beginning 0))
|
|
|
858 name))
|
|
|
859 ;; Add this topic and its groups to the topic alist.
|
|
|
860 (push (cons name (nreverse tgroups)) gnus-topic-active-alist)
|
|
|
861 (setcar (car topology) name)
|
|
|
862 ;; We return the rest of the groups that didn't belong
|
|
|
863 ;; to this topic.
|
|
|
864 groups))
|
|
|
865
|
|
|
866 ;;; Topic mode, commands and keymap.
|
|
|
867
|
|
|
868 (defvar gnus-topic-mode-map nil)
|
|
|
869 (defvar gnus-group-topic-map nil)
|
|
|
870
|
|
|
871 (unless gnus-topic-mode-map
|
|
|
872 (setq gnus-topic-mode-map (make-sparse-keymap))
|
|
|
873
|
|
|
874 ;; Override certain group mode keys.
|
|
98
|
875 (gnus-define-keys gnus-topic-mode-map
|
|
|
876 "=" gnus-topic-select-group
|
|
|
877 "\r" gnus-topic-select-group
|
|
|
878 " " gnus-topic-read-group
|
|
|
879 "\C-k" gnus-topic-kill-group
|
|
|
880 "\C-y" gnus-topic-yank-group
|
|
|
881 "\M-g" gnus-topic-get-new-news-this-topic
|
|
|
882 "AT" gnus-topic-list-active
|
|
|
883 "Gp" gnus-topic-edit-parameters
|
|
|
884 "#" gnus-topic-mark-topic
|
|
|
885 "\M-#" gnus-topic-unmark-topic
|
|
|
886 gnus-mouse-2 gnus-mouse-pick-topic)
|
|
0
|
887
|
|
|
888 ;; Define a new submap.
|
|
98
|
889 (gnus-define-keys (gnus-group-topic-map "T" gnus-group-mode-map)
|
|
|
890 "#" gnus-topic-mark-topic
|
|
|
891 "\M-#" gnus-topic-unmark-topic
|
|
|
892 "n" gnus-topic-create-topic
|
|
|
893 "m" gnus-topic-move-group
|
|
|
894 "D" gnus-topic-remove-group
|
|
|
895 "c" gnus-topic-copy-group
|
|
|
896 "h" gnus-topic-hide-topic
|
|
|
897 "s" gnus-topic-show-topic
|
|
|
898 "M" gnus-topic-move-matching
|
|
|
899 "C" gnus-topic-copy-matching
|
|
|
900 "\C-i" gnus-topic-indent
|
|
|
901 [tab] gnus-topic-indent
|
|
|
902 "r" gnus-topic-rename
|
|
|
903 "\177" gnus-topic-delete)
|
|
|
904
|
|
|
905 (gnus-define-keys (gnus-topic-sort-map "S" gnus-group-topic-map)
|
|
|
906 "s" gnus-topic-sort-groups
|
|
|
907 "a" gnus-topic-sort-groups-by-alphabet
|
|
|
908 "u" gnus-topic-sort-groups-by-unread
|
|
|
909 "l" gnus-topic-sort-groups-by-level
|
|
|
910 "v" gnus-topic-sort-groups-by-score
|
|
|
911 "r" gnus-topic-sort-groups-by-rank
|
|
|
912 "m" gnus-topic-sort-groups-by-method))
|
|
0
|
913
|
|
|
914 (defun gnus-topic-make-menu-bar ()
|
|
|
915 (unless (boundp 'gnus-topic-menu)
|
|
|
916 (easy-menu-define
|
|
|
917 gnus-topic-menu gnus-topic-mode-map ""
|
|
|
918 '("Topics"
|
|
|
919 ["Toggle topics" gnus-topic-mode t]
|
|
|
920 ("Groups"
|
|
|
921 ["Copy" gnus-topic-copy-group t]
|
|
|
922 ["Move" gnus-topic-move-group t]
|
|
|
923 ["Remove" gnus-topic-remove-group t]
|
|
|
924 ["Copy matching" gnus-topic-copy-matching t]
|
|
|
925 ["Move matching" gnus-topic-move-matching t])
|
|
|
926 ("Topics"
|
|
|
927 ["Show" gnus-topic-show-topic t]
|
|
|
928 ["Hide" gnus-topic-hide-topic t]
|
|
|
929 ["Delete" gnus-topic-delete t]
|
|
|
930 ["Rename" gnus-topic-rename t]
|
|
|
931 ["Create" gnus-topic-create-topic t]
|
|
|
932 ["Mark" gnus-topic-mark-topic t]
|
|
|
933 ["Indent" gnus-topic-indent t])
|
|
|
934 ["List active" gnus-topic-list-active t]))))
|
|
|
935
|
|
|
936 (defun gnus-topic-mode (&optional arg redisplay)
|
|
|
937 "Minor mode for topicsifying Gnus group buffers."
|
|
|
938 (interactive (list current-prefix-arg t))
|
|
|
939 (when (eq major-mode 'gnus-group-mode)
|
|
|
940 (make-local-variable 'gnus-topic-mode)
|
|
108
|
941 (setq gnus-topic-mode
|
|
0
|
942 (if (null arg) (not gnus-topic-mode)
|
|
|
943 (> (prefix-numeric-value arg) 0)))
|
|
|
944 ;; Infest Gnus with topics.
|
|
|
945 (when gnus-topic-mode
|
|
98
|
946 (when (gnus-visual-p 'topic-menu 'menu)
|
|
0
|
947 (gnus-topic-make-menu-bar))
|
|
108
|
948 (setq gnus-topic-line-format-spec
|
|
|
949 (gnus-parse-format gnus-topic-line-format
|
|
0
|
950 gnus-topic-line-format-alist t))
|
|
|
951 (unless (assq 'gnus-topic-mode minor-mode-alist)
|
|
|
952 (push '(gnus-topic-mode " Topic") minor-mode-alist))
|
|
|
953 (unless (assq 'gnus-topic-mode minor-mode-map-alist)
|
|
|
954 (push (cons 'gnus-topic-mode gnus-topic-mode-map)
|
|
|
955 minor-mode-map-alist))
|
|
|
956 (add-hook 'gnus-summary-exit-hook 'gnus-topic-update-topic)
|
|
|
957 (add-hook 'gnus-group-catchup-group-hook 'gnus-topic-update-topic)
|
|
98
|
958 (set (make-local-variable 'gnus-group-prepare-function)
|
|
|
959 'gnus-group-prepare-topics)
|
|
|
960 (set (make-local-variable 'gnus-group-get-parameter-function)
|
|
|
961 'gnus-group-topic-parameters)
|
|
|
962 (set (make-local-variable 'gnus-group-goto-next-group-function)
|
|
|
963 'gnus-topic-goto-next-group)
|
|
|
964 (set (make-local-variable 'gnus-group-indentation-function)
|
|
|
965 'gnus-topic-group-indentation)
|
|
|
966 (set (make-local-variable 'gnus-group-update-group-function)
|
|
|
967 'gnus-topic-update-topics-containing-group)
|
|
|
968 (set (make-local-variable 'gnus-group-sort-alist-function)
|
|
|
969 'gnus-group-sort-topic)
|
|
0
|
970 (setq gnus-group-change-level-function 'gnus-topic-change-level)
|
|
|
971 (setq gnus-goto-missing-group-function 'gnus-topic-goto-missing-group)
|
|
98
|
972 (make-local-hook 'gnus-check-bogus-groups-hook)
|
|
2
|
973 (add-hook 'gnus-check-bogus-groups-hook 'gnus-topic-clean-alist)
|
|
0
|
974 (setq gnus-topology-checked-p nil)
|
|
|
975 ;; We check the topology.
|
|
|
976 (when gnus-newsrc-alist
|
|
|
977 (gnus-topic-check-topology))
|
|
|
978 (run-hooks 'gnus-topic-mode-hook))
|
|
|
979 ;; Remove topic infestation.
|
|
|
980 (unless gnus-topic-mode
|
|
|
981 (remove-hook 'gnus-summary-exit-hook 'gnus-topic-update-topic)
|
|
108
|
982 (remove-hook 'gnus-group-change-level-function
|
|
0
|
983 'gnus-topic-change-level)
|
|
2
|
984 (remove-hook 'gnus-check-bogus-groups-hook 'gnus-topic-clean-alist)
|
|
98
|
985 (setq gnus-group-prepare-function 'gnus-group-prepare-flat)
|
|
|
986 (setq gnus-group-sort-alist-function 'gnus-group-sort-flat))
|
|
0
|
987 (when redisplay
|
|
|
988 (gnus-group-list-groups))))
|
|
108
|
989
|
|
0
|
990 (defun gnus-topic-select-group (&optional all)
|
|
|
991 "Select this newsgroup.
|
|
|
992 No article is selected automatically.
|
|
|
993 If ALL is non-nil, already read articles become readable.
|
|
2
|
994 If ALL is a number, fetch this number of articles.
|
|
|
995
|
|
|
996 If performed over a topic line, toggle folding the topic."
|
|
0
|
997 (interactive "P")
|
|
|
998 (if (gnus-group-topic-p)
|
|
108
|
999 (let ((gnus-group-list-mode
|
|
0
|
1000 (if all (cons (if (numberp all) all 7) t) gnus-group-list-mode)))
|
|
|
1001 (gnus-topic-fold all))
|
|
|
1002 (gnus-group-select-group all)))
|
|
|
1003
|
|
|
1004 (defun gnus-mouse-pick-topic (e)
|
|
|
1005 "Select the group or topic under the mouse pointer."
|
|
|
1006 (interactive "e")
|
|
|
1007 (mouse-set-point e)
|
|
|
1008 (gnus-topic-read-group nil))
|
|
|
1009
|
|
|
1010 (defun gnus-topic-read-group (&optional all no-article group)
|
|
|
1011 "Read news in this newsgroup.
|
|
|
1012 If the prefix argument ALL is non-nil, already read articles become
|
|
|
1013 readable. IF ALL is a number, fetch this number of articles. If the
|
|
|
1014 optional argument NO-ARTICLE is non-nil, no article will be
|
|
|
1015 auto-selected upon group entry. If GROUP is non-nil, fetch that
|
|
2
|
1016 group.
|
|
|
1017
|
|
|
1018 If performed over a topic line, toggle folding the topic."
|
|
0
|
1019 (interactive "P")
|
|
|
1020 (if (gnus-group-topic-p)
|
|
108
|
1021 (let ((gnus-group-list-mode
|
|
0
|
1022 (if all (cons (if (numberp all) all 7) t) gnus-group-list-mode)))
|
|
|
1023 (gnus-topic-fold all))
|
|
|
1024 (gnus-group-read-group all no-article group)))
|
|
|
1025
|
|
|
1026 (defun gnus-topic-create-topic (topic parent &optional previous full-topic)
|
|
108
|
1027 (interactive
|
|
0
|
1028 (list
|
|
|
1029 (read-string "New topic: ")
|
|
98
|
1030 (gnus-current-topic)))
|
|
0
|
1031 ;; Check whether this topic already exists.
|
|
|
1032 (when (gnus-topic-find-topology topic)
|
|
98
|
1033 (error "Topic already exists"))
|
|
0
|
1034 (unless parent
|
|
|
1035 (setq parent (caar gnus-topic-topology)))
|
|
|
1036 (let ((top (cdr (gnus-topic-find-topology parent)))
|
|
|
1037 (full-topic (or full-topic `((,topic visible)))))
|
|
|
1038 (unless top
|
|
|
1039 (error "No such parent topic: %s" parent))
|
|
|
1040 (if previous
|
|
|
1041 (progn
|
|
|
1042 (while (and (cdr top)
|
|
|
1043 (not (equal (caaadr top) previous)))
|
|
|
1044 (setq top (cdr top)))
|
|
|
1045 (setcdr top (cons full-topic (cdr top))))
|
|
|
1046 (nconc top (list full-topic)))
|
|
|
1047 (unless (assoc topic gnus-topic-alist)
|
|
|
1048 (push (list topic) gnus-topic-alist)))
|
|
|
1049 (gnus-topic-enter-dribble)
|
|
|
1050 (gnus-group-list-groups)
|
|
|
1051 (gnus-topic-goto-topic topic))
|
|
|
1052
|
|
|
1053 (defun gnus-topic-move-group (n topic &optional copyp)
|
|
|
1054 "Move the next N groups to TOPIC.
|
|
|
1055 If COPYP, copy the groups instead."
|
|
|
1056 (interactive
|
|
|
1057 (list current-prefix-arg
|
|
|
1058 (completing-read "Move to topic: " gnus-topic-alist nil t)))
|
|
|
1059 (let ((groups (gnus-group-process-prefix n))
|
|
|
1060 (topicl (assoc topic gnus-topic-alist))
|
|
98
|
1061 (start-group (progn (forward-line 1) (gnus-group-group-name)))
|
|
|
1062 (start-topic (gnus-group-topic-name))
|
|
0
|
1063 entry)
|
|
108
|
1064 (mapcar
|
|
98
|
1065 (lambda (g)
|
|
|
1066 (gnus-group-remove-mark g)
|
|
|
1067 (when (and
|
|
|
1068 (setq entry (assoc (gnus-current-topic) gnus-topic-alist))
|
|
|
1069 (not copyp))
|
|
|
1070 (setcdr entry (gnus-delete-first g (cdr entry))))
|
|
|
1071 (nconc topicl (list g)))
|
|
|
1072 groups)
|
|
|
1073 (gnus-topic-enter-dribble)
|
|
|
1074 (if start-group
|
|
|
1075 (gnus-group-goto-group start-group)
|
|
|
1076 (gnus-topic-goto-topic start-topic))
|
|
|
1077 (gnus-group-list-groups)))
|
|
0
|
1078
|
|
98
|
1079 (defun gnus-topic-remove-group (&optional arg)
|
|
0
|
1080 "Remove the current group from the topic."
|
|
98
|
1081 (interactive "P")
|
|
108
|
1082 (gnus-group-iterate arg
|
|
98
|
1083 (lambda (group)
|
|
|
1084 (let ((topicl (assoc (gnus-current-topic) gnus-topic-alist))
|
|
|
1085 (buffer-read-only nil))
|
|
|
1086 (when (and topicl group)
|
|
|
1087 (gnus-delete-line)
|
|
|
1088 (gnus-delete-first group topicl))
|
|
|
1089 (gnus-topic-update-topic)
|
|
|
1090 (gnus-group-position-point)))))
|
|
0
|
1091
|
|
|
1092 (defun gnus-topic-copy-group (n topic)
|
|
|
1093 "Copy the current group to a topic."
|
|
|
1094 (interactive
|
|
|
1095 (list current-prefix-arg
|
|
|
1096 (completing-read "Copy to topic: " gnus-topic-alist nil t)))
|
|
|
1097 (gnus-topic-move-group n topic t))
|
|
|
1098
|
|
|
1099 (defun gnus-topic-kill-group (&optional n discard)
|
|
|
1100 "Kill the next N groups."
|
|
|
1101 (interactive "P")
|
|
|
1102 (if (gnus-group-topic-p)
|
|
|
1103 (let ((topic (gnus-group-topic-name)))
|
|
108
|
1104 (push (cons
|
|
98
|
1105 (gnus-topic-find-topology topic)
|
|
|
1106 (assoc topic gnus-topic-alist))
|
|
|
1107 gnus-topic-killed-topics)
|
|
0
|
1108 (gnus-topic-remove-topic nil t)
|
|
98
|
1109 (gnus-topic-find-topology topic nil nil gnus-topic-topology)
|
|
|
1110 (gnus-topic-enter-dribble))
|
|
0
|
1111 (gnus-group-kill-group n discard)
|
|
|
1112 (gnus-topic-update-topic)))
|
|
108
|
1113
|
|
0
|
1114 (defun gnus-topic-yank-group (&optional arg)
|
|
|
1115 "Yank the last topic."
|
|
|
1116 (interactive "p")
|
|
|
1117 (if gnus-topic-killed-topics
|
|
108
|
1118 (let* ((previous
|
|
98
|
1119 (or (gnus-group-topic-name)
|
|
|
1120 (gnus-topic-next-topic (gnus-current-topic))))
|
|
|
1121 (data (pop gnus-topic-killed-topics))
|
|
|
1122 (alist (cdr data))
|
|
|
1123 (item (cdar data)))
|
|
|
1124 (push alist gnus-topic-alist)
|
|
0
|
1125 (gnus-topic-create-topic
|
|
|
1126 (caar item) (gnus-topic-parent-topic previous) previous
|
|
|
1127 item)
|
|
98
|
1128 (gnus-topic-enter-dribble)
|
|
0
|
1129 (gnus-topic-goto-topic (caar item)))
|
|
|
1130 (let* ((prev (gnus-group-group-name))
|
|
|
1131 (gnus-topic-inhibit-change-level t)
|
|
|
1132 (gnus-group-indentation
|
|
108
|
1133 (make-string
|
|
0
|
1134 (* gnus-topic-indent-level
|
|
|
1135 (or (save-excursion
|
|
98
|
1136 (gnus-topic-goto-topic (gnus-current-topic))
|
|
|
1137 (gnus-group-topic-level))
|
|
|
1138 0))
|
|
|
1139 ? ))
|
|
0
|
1140 yanked alist)
|
|
|
1141 ;; We first yank the groups the normal way...
|
|
|
1142 (setq yanked (gnus-group-yank-group arg))
|
|
|
1143 ;; Then we enter the yanked groups into the topics they belong
|
|
108
|
1144 ;; to.
|
|
0
|
1145 (setq alist (assoc (save-excursion
|
|
|
1146 (forward-line -1)
|
|
98
|
1147 (gnus-current-topic))
|
|
0
|
1148 gnus-topic-alist))
|
|
|
1149 (when (stringp yanked)
|
|
|
1150 (setq yanked (list yanked)))
|
|
|
1151 (if (not prev)
|
|
|
1152 (nconc alist yanked)
|
|
|
1153 (if (not (cdr alist))
|
|
|
1154 (setcdr alist (nconc yanked (cdr alist)))
|
|
|
1155 (while (cdr alist)
|
|
|
1156 (when (equal (cadr alist) prev)
|
|
|
1157 (setcdr alist (nconc yanked (cdr alist)))
|
|
|
1158 (setq alist nil))
|
|
|
1159 (setq alist (cdr alist))))))
|
|
|
1160 (gnus-topic-update-topic)))
|
|
|
1161
|
|
|
1162 (defun gnus-topic-hide-topic ()
|
|
2
|
1163 "Hide the current topic."
|
|
0
|
1164 (interactive)
|
|
98
|
1165 (when (gnus-current-topic)
|
|
|
1166 (gnus-topic-goto-topic (gnus-current-topic))
|
|
0
|
1167 (gnus-topic-remove-topic nil nil 'hidden)))
|
|
|
1168
|
|
|
1169 (defun gnus-topic-show-topic ()
|
|
|
1170 "Show the hidden topic."
|
|
|
1171 (interactive)
|
|
|
1172 (when (gnus-group-topic-p)
|
|
|
1173 (gnus-topic-remove-topic t nil 'shown)))
|
|
|
1174
|
|
|
1175 (defun gnus-topic-mark-topic (topic &optional unmark)
|
|
|
1176 "Mark all groups in the topic with the process mark."
|
|
98
|
1177 (interactive (list (gnus-group-topic-name)))
|
|
|
1178 (if (not topic)
|
|
|
1179 (call-interactively 'gnus-group-mark-group)
|
|
|
1180 (save-excursion
|
|
|
1181 (let ((groups (gnus-topic-find-groups topic 9 t)))
|
|
|
1182 (while groups
|
|
|
1183 (funcall (if unmark 'gnus-group-remove-mark 'gnus-group-set-mark)
|
|
|
1184 (gnus-info-group (nth 2 (pop groups)))))))))
|
|
0
|
1185
|
|
|
1186 (defun gnus-topic-unmark-topic (topic &optional unmark)
|
|
|
1187 "Remove the process mark from all groups in the topic."
|
|
98
|
1188 (interactive (list (gnus-group-topic-name)))
|
|
|
1189 (if (not topic)
|
|
|
1190 (call-interactively 'gnus-group-unmark-group)
|
|
|
1191 (gnus-topic-mark-topic topic t)))
|
|
0
|
1192
|
|
|
1193 (defun gnus-topic-get-new-news-this-topic (&optional n)
|
|
|
1194 "Check for new news in the current topic."
|
|
|
1195 (interactive "P")
|
|
|
1196 (if (not (gnus-group-topic-p))
|
|
|
1197 (gnus-group-get-new-news-this-group n)
|
|
|
1198 (gnus-topic-mark-topic (gnus-group-topic-name))
|
|
|
1199 (gnus-group-get-new-news-this-group)))
|
|
|
1200
|
|
|
1201 (defun gnus-topic-move-matching (regexp topic &optional copyp)
|
|
|
1202 "Move all groups that match REGEXP to some topic."
|
|
|
1203 (interactive
|
|
|
1204 (let (topic)
|
|
|
1205 (nreverse
|
|
|
1206 (list
|
|
|
1207 (setq topic (completing-read "Move to topic: " gnus-topic-alist nil t))
|
|
|
1208 (read-string (format "Move to %s (regexp): " topic))))))
|
|
|
1209 (gnus-group-mark-regexp regexp)
|
|
|
1210 (gnus-topic-move-group nil topic copyp))
|
|
|
1211
|
|
|
1212 (defun gnus-topic-copy-matching (regexp topic &optional copyp)
|
|
|
1213 "Copy all groups that match REGEXP to some topic."
|
|
|
1214 (interactive
|
|
|
1215 (let (topic)
|
|
|
1216 (nreverse
|
|
|
1217 (list
|
|
|
1218 (setq topic (completing-read "Copy to topic: " gnus-topic-alist nil t))
|
|
|
1219 (read-string (format "Copy to %s (regexp): " topic))))))
|
|
|
1220 (gnus-topic-move-matching regexp topic t))
|
|
|
1221
|
|
|
1222 (defun gnus-topic-delete (topic)
|
|
|
1223 "Delete a topic."
|
|
|
1224 (interactive (list (gnus-group-topic-name)))
|
|
|
1225 (unless topic
|
|
|
1226 (error "No topic to be deleted"))
|
|
|
1227 (let ((entry (assoc topic gnus-topic-alist))
|
|
|
1228 (buffer-read-only nil))
|
|
|
1229 (when (cdr entry)
|
|
|
1230 (error "Topic not empty"))
|
|
|
1231 ;; Delete if visible.
|
|
|
1232 (when (gnus-topic-goto-topic topic)
|
|
|
1233 (gnus-delete-line))
|
|
|
1234 ;; Remove from alist.
|
|
|
1235 (setq gnus-topic-alist (delq entry gnus-topic-alist))
|
|
|
1236 ;; Remove from topology.
|
|
|
1237 (gnus-topic-find-topology topic nil nil 'delete)))
|
|
|
1238
|
|
|
1239 (defun gnus-topic-rename (old-name new-name)
|
|
|
1240 "Rename a topic."
|
|
|
1241 (interactive
|
|
98
|
1242 (let ((topic (gnus-current-topic)))
|
|
0
|
1243 (list topic
|
|
|
1244 (read-string (format "Rename %s to: " topic)))))
|
|
|
1245 (let ((top (gnus-topic-find-topology old-name))
|
|
|
1246 (entry (assoc old-name gnus-topic-alist)))
|
|
|
1247 (when top
|
|
|
1248 (setcar (cadr top) new-name))
|
|
108
|
1249 (when entry
|
|
0
|
1250 (setcar entry new-name))
|
|
2
|
1251 (forward-line -1)
|
|
98
|
1252 (gnus-dribble-touch)
|
|
0
|
1253 (gnus-group-list-groups)))
|
|
|
1254
|
|
|
1255 (defun gnus-topic-indent (&optional unindent)
|
|
|
1256 "Indent a topic -- make it a sub-topic of the previous topic.
|
|
|
1257 If UNINDENT, remove an indentation."
|
|
|
1258 (interactive "P")
|
|
|
1259 (if unindent
|
|
|
1260 (gnus-topic-unindent)
|
|
98
|
1261 (let* ((topic (gnus-current-topic))
|
|
|
1262 (parent (gnus-topic-previous-topic topic))
|
|
|
1263 (buffer-read-only nil))
|
|
0
|
1264 (unless parent
|
|
|
1265 (error "Nothing to indent %s into" topic))
|
|
|
1266 (when topic
|
|
|
1267 (gnus-topic-goto-topic topic)
|
|
|
1268 (gnus-topic-kill-group)
|
|
98
|
1269 (push (cdar gnus-topic-killed-topics) gnus-topic-alist)
|
|
0
|
1270 (gnus-topic-create-topic
|
|
98
|
1271 topic parent nil (cdaar gnus-topic-killed-topics))
|
|
|
1272 (pop gnus-topic-killed-topics)
|
|
0
|
1273 (or (gnus-topic-goto-topic topic)
|
|
|
1274 (gnus-topic-goto-topic parent))))))
|
|
|
1275
|
|
|
1276 (defun gnus-topic-unindent ()
|
|
|
1277 "Unindent a topic."
|
|
|
1278 (interactive)
|
|
98
|
1279 (let* ((topic (gnus-current-topic))
|
|
0
|
1280 (parent (gnus-topic-parent-topic topic))
|
|
|
1281 (grandparent (gnus-topic-parent-topic parent)))
|
|
|
1282 (unless grandparent
|
|
|
1283 (error "Nothing to indent %s into" topic))
|
|
|
1284 (when topic
|
|
|
1285 (gnus-topic-goto-topic topic)
|
|
|
1286 (gnus-topic-kill-group)
|
|
98
|
1287 (push (cdar gnus-topic-killed-topics) gnus-topic-alist)
|
|
0
|
1288 (gnus-topic-create-topic
|
|
|
1289 topic grandparent (gnus-topic-next-topic parent)
|
|
98
|
1290 (cdaar gnus-topic-killed-topics))
|
|
|
1291 (pop gnus-topic-killed-topics)
|
|
0
|
1292 (gnus-topic-goto-topic topic))))
|
|
|
1293
|
|
|
1294 (defun gnus-topic-list-active (&optional force)
|
|
|
1295 "List all groups that Gnus knows about in a topicsified fashion.
|
|
|
1296 If FORCE, always re-read the active file."
|
|
|
1297 (interactive "P")
|
|
|
1298 (when force
|
|
|
1299 (gnus-get-killed-groups))
|
|
|
1300 (gnus-topic-grok-active force)
|
|
|
1301 (let ((gnus-topic-topology gnus-topic-active-topology)
|
|
|
1302 (gnus-topic-alist gnus-topic-active-alist)
|
|
|
1303 gnus-killed-list gnus-zombie-list)
|
|
|
1304 (gnus-group-list-groups 9 nil 1)))
|
|
|
1305
|
|
98
|
1306 ;;; Topic sorting functions
|
|
|
1307
|
|
|
1308 (defun gnus-topic-edit-parameters (group)
|
|
|
1309 "Edit the group parameters of GROUP.
|
|
|
1310 If performed on a topic, edit the topic parameters instead."
|
|
|
1311 (interactive (list (gnus-group-group-name)))
|
|
|
1312 (if group
|
|
|
1313 (gnus-group-edit-group-parameters group)
|
|
|
1314 (if (not (gnus-group-topic-p))
|
|
|
1315 (error "Nothing to edit on the current line.")
|
|
|
1316 (let ((topic (gnus-group-topic-name)))
|
|
|
1317 (gnus-edit-form
|
|
|
1318 (gnus-topic-parameters topic)
|
|
100
|
1319 (format "Editing the topic parameters for `%s'."
|
|
|
1320 (or group topic))
|
|
98
|
1321 `(lambda (form)
|
|
|
1322 (gnus-topic-set-parameters ,topic form)))))))
|
|
|
1323
|
|
|
1324 (defun gnus-group-sort-topic (func reverse)
|
|
|
1325 "Sort groups in the topics according to FUNC and REVERSE."
|
|
|
1326 (let ((alist gnus-topic-alist))
|
|
|
1327 (while alist
|
|
|
1328 ;; !!!Sometimes nil elements sneak into the alist,
|
|
|
1329 ;; for some reason or other.
|
|
|
1330 (setcar alist (delq nil (car alist)))
|
|
|
1331 (setcar alist (delete "dummy.group" (car alist)))
|
|
|
1332 (gnus-topic-sort-topic (pop alist) func reverse))))
|
|
|
1333
|
|
|
1334 (defun gnus-topic-sort-topic (topic func reverse)
|
|
|
1335 ;; Each topic only lists the name of the group, while
|
|
|
1336 ;; the sort predicates expect group infos as inputs.
|
|
|
1337 ;; So we first transform the group names into infos,
|
|
|
1338 ;; then sort, and then transform back into group names.
|
|
|
1339 (setcdr
|
|
|
1340 topic
|
|
|
1341 (mapcar
|
|
|
1342 (lambda (info) (gnus-info-group info))
|
|
|
1343 (sort
|
|
|
1344 (mapcar
|
|
|
1345 (lambda (group) (gnus-get-info group))
|
|
|
1346 (cdr topic))
|
|
|
1347 func)))
|
|
|
1348 ;; Do the reversal, if necessary.
|
|
|
1349 (when reverse
|
|
|
1350 (setcdr topic (nreverse (cdr topic)))))
|
|
|
1351
|
|
|
1352 (defun gnus-topic-sort-groups (func &optional reverse)
|
|
|
1353 "Sort the current topic according to FUNC.
|
|
|
1354 If REVERSE, reverse the sorting order."
|
|
|
1355 (interactive (list gnus-group-sort-function current-prefix-arg))
|
|
|
1356 (let ((topic (assoc (gnus-current-topic) gnus-topic-alist)))
|
|
|
1357 (gnus-topic-sort-topic
|
|
|
1358 topic (gnus-make-sort-function func) reverse)
|
|
|
1359 (gnus-group-list-groups)))
|
|
|
1360
|
|
|
1361 (defun gnus-topic-sort-groups-by-alphabet (&optional reverse)
|
|
|
1362 "Sort the current topic alphabetically by group name.
|
|
|
1363 If REVERSE, sort in reverse order."
|
|
|
1364 (interactive "P")
|
|
|
1365 (gnus-topic-sort-groups 'gnus-group-sort-by-alphabet reverse))
|
|
|
1366
|
|
|
1367 (defun gnus-topic-sort-groups-by-unread (&optional reverse)
|
|
|
1368 "Sort the current topic by number of unread articles.
|
|
|
1369 If REVERSE, sort in reverse order."
|
|
|
1370 (interactive "P")
|
|
|
1371 (gnus-topic-sort-groups 'gnus-group-sort-by-unread reverse))
|
|
|
1372
|
|
|
1373 (defun gnus-topic-sort-groups-by-level (&optional reverse)
|
|
|
1374 "Sort the current topic by group level.
|
|
|
1375 If REVERSE, sort in reverse order."
|
|
|
1376 (interactive "P")
|
|
|
1377 (gnus-topic-sort-groups 'gnus-group-sort-by-level reverse))
|
|
|
1378
|
|
|
1379 (defun gnus-topic-sort-groups-by-score (&optional reverse)
|
|
|
1380 "Sort the current topic by group score.
|
|
|
1381 If REVERSE, sort in reverse order."
|
|
|
1382 (interactive "P")
|
|
|
1383 (gnus-topic-sort-groups 'gnus-group-sort-by-score reverse))
|
|
|
1384
|
|
|
1385 (defun gnus-topic-sort-groups-by-rank (&optional reverse)
|
|
|
1386 "Sort the current topic by group rank.
|
|
|
1387 If REVERSE, sort in reverse order."
|
|
|
1388 (interactive "P")
|
|
|
1389 (gnus-topic-sort-groups 'gnus-group-sort-by-rank reverse))
|
|
|
1390
|
|
|
1391 (defun gnus-topic-sort-groups-by-method (&optional reverse)
|
|
|
1392 "Sort the current topic alphabetically by backend name.
|
|
|
1393 If REVERSE, sort in reverse order."
|
|
|
1394 (interactive "P")
|
|
|
1395 (gnus-topic-sort-groups 'gnus-group-sort-by-method reverse))
|
|
|
1396
|
|
0
|
1397 (provide 'gnus-topic)
|
|
|
1398
|
|
|
1399 ;;; gnus-topic.el ends here
|
