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eec82323 | 1 | ;;; gnus-win.el --- window configuration functions for Gnus |
e84b4b86 TTN |
2 | |
3 | ;; Copyright (C) 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, | |
114f9c96 | 4 | ;; 2005, 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
eec82323 | 5 | |
6748645f | 6 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> |
eec82323 LMI |
7 | ;; Keywords: news |
8 | ||
9 | ;; This file is part of GNU Emacs. | |
10 | ||
5e809f55 | 11 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
eec82323 | 12 | ;; it under the terms of the GNU General Public License as published by |
5e809f55 GM |
13 | ;; the Free Software Foundation, either version 3 of the License, or |
14 | ;; (at your option) any later version. | |
eec82323 LMI |
15 | |
16 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
5e809f55 | 18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
eec82323 LMI |
19 | ;; GNU General Public License for more details. |
20 | ||
21 | ;; You should have received a copy of the GNU General Public License | |
5e809f55 | 22 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
eec82323 LMI |
23 | |
24 | ;;; Commentary: | |
25 | ||
26 | ;;; Code: | |
27 | ||
5ab7173c RS |
28 | (eval-when-compile (require 'cl)) |
29 | ||
eec82323 | 30 | (require 'gnus) |
23f87bed | 31 | (require 'gnus-util) |
eec82323 LMI |
32 | |
33 | (defgroup gnus-windows nil | |
34 | "Window configuration." | |
35 | :group 'gnus) | |
36 | ||
37 | (defcustom gnus-use-full-window t | |
38 | "*If non-nil, use the entire Emacs screen." | |
39 | :group 'gnus-windows | |
40 | :type 'boolean) | |
41 | ||
42 | (defvar gnus-window-configuration nil | |
43 | "Obsolete variable. See `gnus-buffer-configuration'.") | |
44 | ||
45 | (defcustom gnus-window-min-width 2 | |
46 | "*Minimum width of Gnus buffers." | |
47 | :group 'gnus-windows | |
48 | :type 'integer) | |
49 | ||
50 | (defcustom gnus-window-min-height 1 | |
51 | "*Minimum height of Gnus buffers." | |
52 | :group 'gnus-windows | |
53 | :type 'integer) | |
54 | ||
55 | (defcustom gnus-always-force-window-configuration nil | |
56 | "*If non-nil, always force the Gnus window configurations." | |
57 | :group 'gnus-windows | |
58 | :type 'boolean) | |
59 | ||
23f87bed MB |
60 | (defcustom gnus-use-frames-on-any-display nil |
61 | "*If non-nil, frames on all displays will be considered useable by Gnus. | |
62 | When nil, only frames on the same display as the selected frame will be | |
63 | used to display Gnus windows." | |
bf247b6e | 64 | :version "22.1" |
23f87bed MB |
65 | :group 'gnus-windows |
66 | :type 'boolean) | |
67 | ||
eec82323 LMI |
68 | (defvar gnus-buffer-configuration |
69 | '((group | |
70 | (vertical 1.0 | |
71 | (group 1.0 point) | |
72 | (if gnus-carpal '(group-carpal 4)))) | |
73 | (summary | |
74 | (vertical 1.0 | |
75 | (summary 1.0 point) | |
76 | (if gnus-carpal '(summary-carpal 4)))) | |
77 | (article | |
78 | (cond | |
eec82323 LMI |
79 | (gnus-use-trees |
80 | '(vertical 1.0 | |
81 | (summary 0.25 point) | |
82 | (tree 0.25) | |
83 | (article 1.0))) | |
84 | (t | |
85 | '(vertical 1.0 | |
16409b0b GM |
86 | (summary 0.25 point) |
87 | (if gnus-carpal '(summary-carpal 4)) | |
88 | (article 1.0))))) | |
eec82323 LMI |
89 | (server |
90 | (vertical 1.0 | |
91 | (server 1.0 point) | |
92 | (if gnus-carpal '(server-carpal 2)))) | |
93 | (browse | |
94 | (vertical 1.0 | |
95 | (browse 1.0 point) | |
96 | (if gnus-carpal '(browse-carpal 2)))) | |
97 | (message | |
98 | (vertical 1.0 | |
99 | (message 1.0 point))) | |
100 | (pick | |
101 | (vertical 1.0 | |
102 | (article 1.0 point))) | |
103 | (info | |
104 | (vertical 1.0 | |
105 | (info 1.0 point))) | |
106 | (summary-faq | |
107 | (vertical 1.0 | |
108 | (summary 0.25) | |
109 | (faq 1.0 point))) | |
110 | (edit-article | |
111 | (vertical 1.0 | |
112 | (article 1.0 point))) | |
113 | (edit-form | |
114 | (vertical 1.0 | |
115 | (group 0.5) | |
116 | (edit-form 1.0 point))) | |
117 | (edit-score | |
118 | (vertical 1.0 | |
119 | (summary 0.25) | |
120 | (edit-score 1.0 point))) | |
01c52d31 MB |
121 | (edit-server |
122 | (vertical 1.0 | |
123 | (server 0.5) | |
124 | (edit-form 1.0 point))) | |
eec82323 LMI |
125 | (post |
126 | (vertical 1.0 | |
127 | (post 1.0 point))) | |
128 | (reply | |
129 | (vertical 1.0 | |
23f87bed | 130 | (article 0.5) |
eec82323 LMI |
131 | (message 1.0 point))) |
132 | (forward | |
133 | (vertical 1.0 | |
134 | (message 1.0 point))) | |
135 | (reply-yank | |
136 | (vertical 1.0 | |
137 | (message 1.0 point))) | |
138 | (mail-bounce | |
139 | (vertical 1.0 | |
140 | (article 0.5) | |
141 | (message 1.0 point))) | |
eec82323 LMI |
142 | (pipe |
143 | (vertical 1.0 | |
144 | (summary 0.25 point) | |
145 | (if gnus-carpal '(summary-carpal 4)) | |
146 | ("*Shell Command Output*" 1.0))) | |
147 | (bug | |
148 | (vertical 1.0 | |
55388e55 | 149 | (if gnus-bug-create-help-buffer '("*Gnus Help Bug*" 0.5)) |
eec82323 LMI |
150 | ("*Gnus Bug*" 1.0 point))) |
151 | (score-trace | |
152 | (vertical 1.0 | |
153 | (summary 0.5 point) | |
154 | ("*Score Trace*" 1.0))) | |
155 | (score-words | |
156 | (vertical 1.0 | |
157 | (summary 0.5 point) | |
158 | ("*Score Words*" 1.0))) | |
6748645f LMI |
159 | (split-trace |
160 | (vertical 1.0 | |
161 | (summary 0.5 point) | |
162 | ("*Split Trace*" 1.0))) | |
163 | (category | |
164 | (vertical 1.0 | |
165 | (category 1.0))) | |
eec82323 LMI |
166 | (compose-bounce |
167 | (vertical 1.0 | |
168 | (article 0.5) | |
23f87bed MB |
169 | (message 1.0 point))) |
170 | (display-term | |
01c52d31 MB |
171 | (vertical 1.0 |
172 | ("*display*" 1.0))) | |
173 | (mml-preview | |
174 | (vertical 1.0 | |
175 | (message 0.5) | |
176 | (mml-preview 1.0 point)))) | |
eec82323 LMI |
177 | "Window configuration for all possible Gnus buffers. |
178 | See the Gnus manual for an explanation of the syntax used.") | |
179 | ||
180 | (defvar gnus-window-to-buffer | |
181 | '((group . gnus-group-buffer) | |
182 | (summary . gnus-summary-buffer) | |
183 | (article . gnus-article-buffer) | |
184 | (server . gnus-server-buffer) | |
185 | (browse . "*Gnus Browse Server*") | |
186 | (edit-group . gnus-group-edit-buffer) | |
187 | (edit-form . gnus-edit-form-buffer) | |
188 | (edit-server . gnus-server-edit-buffer) | |
189 | (group-carpal . gnus-carpal-group-buffer) | |
190 | (summary-carpal . gnus-carpal-summary-buffer) | |
191 | (server-carpal . gnus-carpal-server-buffer) | |
192 | (browse-carpal . gnus-carpal-browse-buffer) | |
193 | (edit-score . gnus-score-edit-buffer) | |
194 | (message . gnus-message-buffer) | |
195 | (mail . gnus-message-buffer) | |
196 | (post-news . gnus-message-buffer) | |
197 | (faq . gnus-faq-buffer) | |
eec82323 | 198 | (tree . gnus-tree-buffer) |
a8151ef7 | 199 | (score-trace . "*Score Trace*") |
6748645f | 200 | (split-trace . "*Split Trace*") |
eec82323 | 201 | (info . gnus-info-buffer) |
6748645f | 202 | (category . gnus-category-buffer) |
eec82323 | 203 | (article-copy . gnus-article-copy) |
01c52d31 MB |
204 | (draft . gnus-draft-buffer) |
205 | (mml-preview . mml-preview-buffer)) | |
eec82323 LMI |
206 | "Mapping from short symbols to buffer names or buffer variables.") |
207 | ||
23f87bed MB |
208 | (defcustom gnus-configure-windows-hook nil |
209 | "*A hook called when configuring windows." | |
bf247b6e | 210 | :version "22.1" |
23f87bed MB |
211 | :group 'gnus-windows |
212 | :type 'hook) | |
213 | ||
eec82323 LMI |
214 | ;;; Internal variables. |
215 | ||
216 | (defvar gnus-current-window-configuration nil | |
217 | "The most recently set window configuration.") | |
218 | ||
219 | (defvar gnus-created-frames nil) | |
6748645f | 220 | (defvar gnus-window-frame-focus nil) |
eec82323 LMI |
221 | |
222 | (defun gnus-kill-gnus-frames () | |
223 | "Kill all frames Gnus has created." | |
224 | (while gnus-created-frames | |
225 | (when (frame-live-p (car gnus-created-frames)) | |
226 | ;; We slap a condition-case around this `delete-frame' to ensure | |
227 | ;; against errors if we try do delete the single frame that's left. | |
228 | (ignore-errors | |
229 | (delete-frame (car gnus-created-frames)))) | |
230 | (pop gnus-created-frames))) | |
231 | ||
232 | (defun gnus-window-configuration-element (list) | |
233 | (while (and list | |
234 | (not (assq (car list) gnus-window-configuration))) | |
235 | (pop list)) | |
236 | (cadr (assq (car list) gnus-window-configuration))) | |
237 | ||
238 | (defun gnus-windows-old-to-new (setting) | |
239 | ;; First we take care of the really, really old Gnus 3 actions. | |
240 | (when (symbolp setting) | |
241 | (setq setting | |
242 | ;; Take care of ooold GNUS 3.x values. | |
243 | (cond ((eq setting 'SelectArticle) 'article) | |
244 | ((memq setting '(SelectNewsgroup SelectSubject ExpandSubject)) | |
245 | 'summary) | |
246 | ((memq setting '(ExitNewsgroup)) 'group) | |
247 | (t setting)))) | |
248 | (if (or (listp setting) | |
249 | (not (and gnus-window-configuration | |
250 | (memq setting '(group summary article))))) | |
251 | setting | |
252 | (let* ((elem | |
253 | (cond | |
254 | ((eq setting 'group) | |
255 | (gnus-window-configuration-element | |
256 | '(group newsgroups ExitNewsgroup))) | |
257 | ((eq setting 'summary) | |
258 | (gnus-window-configuration-element | |
259 | '(summary SelectNewsgroup SelectSubject ExpandSubject))) | |
260 | ((eq setting 'article) | |
261 | (gnus-window-configuration-element | |
262 | '(article SelectArticle))))) | |
263 | (total (apply '+ elem)) | |
264 | (types '(group summary article)) | |
265 | (pbuf (if (eq setting 'newsgroups) 'group 'summary)) | |
266 | (i 0) | |
267 | perc out) | |
268 | (while (< i 3) | |
269 | (or (not (numberp (nth i elem))) | |
270 | (zerop (nth i elem)) | |
271 | (progn | |
272 | (setq perc (if (= i 2) | |
273 | 1.0 | |
274 | (/ (float (nth i elem)) total))) | |
275 | (push (if (eq pbuf (nth i types)) | |
276 | (list (nth i types) perc 'point) | |
277 | (list (nth i types) perc)) | |
278 | out))) | |
279 | (incf i)) | |
280 | `(vertical 1.0 ,@(nreverse out))))) | |
281 | ||
282 | ;;;###autoload | |
283 | (defun gnus-add-configuration (conf) | |
284 | "Add the window configuration CONF to `gnus-buffer-configuration'." | |
285 | (setq gnus-buffer-configuration | |
286 | (cons conf (delq (assq (car conf) gnus-buffer-configuration) | |
287 | gnus-buffer-configuration)))) | |
288 | ||
289 | (defvar gnus-frame-list nil) | |
290 | ||
6748645f LMI |
291 | (defun gnus-window-to-buffer-helper (obj) |
292 | (cond ((not (symbolp obj)) | |
293 | obj) | |
294 | ((boundp obj) | |
295 | (symbol-value obj)) | |
296 | ((fboundp obj) | |
297 | (funcall obj)) | |
298 | (t | |
299 | nil))) | |
300 | ||
eec82323 LMI |
301 | (defun gnus-configure-frame (split &optional window) |
302 | "Split WINDOW according to SPLIT." | |
ca3ab2d8 SZ |
303 | (let ((current-window |
304 | (or (get-buffer-window (current-buffer)) (selected-window)))) | |
305 | (unless window | |
306 | (setq window current-window)) | |
307 | (select-window window) | |
8f688cb0 | 308 | ;; This might be an old-style buffer config. |
ca3ab2d8 SZ |
309 | (when (vectorp split) |
310 | (setq split (append split nil))) | |
311 | (when (or (consp (car split)) | |
312 | (vectorp (car split))) | |
313 | (push 1.0 split) | |
314 | (push 'vertical split)) | |
315 | ;; The SPLIT might be something that is to be evaled to | |
316 | ;; return a new SPLIT. | |
317 | (while (and (not (assq (car split) gnus-window-to-buffer)) | |
5faa2ec0 | 318 | (symbolp (car split)) (fboundp (car split))) |
ca3ab2d8 SZ |
319 | (setq split (eval split))) |
320 | (let* ((type (car split)) | |
321 | (subs (cddr split)) | |
322 | (len (if (eq type 'horizontal) (window-width) (window-height))) | |
323 | (total 0) | |
324 | (window-min-width (or gnus-window-min-width window-min-width)) | |
325 | (window-min-height (or gnus-window-min-height window-min-height)) | |
326 | s result new-win rest comp-subs size sub) | |
327 | (cond | |
328 | ;; Nothing to do here. | |
329 | ((null split)) | |
330 | ;; Don't switch buffers. | |
331 | ((null type) | |
332 | (and (memq 'point split) window)) | |
333 | ;; This is a buffer to be selected. | |
334 | ((not (memq type '(frame horizontal vertical))) | |
335 | (let ((buffer (cond ((stringp type) type) | |
336 | (t (cdr (assq type gnus-window-to-buffer)))))) | |
337 | (unless buffer | |
338 | (error "Invalid buffer type: %s" type)) | |
339 | (let ((buf (gnus-get-buffer-create | |
340 | (gnus-window-to-buffer-helper buffer)))) | |
341 | (if (eq buf (window-buffer (selected-window))) (set-buffer buf) | |
342 | (switch-to-buffer buf))) | |
343 | (when (memq 'frame-focus split) | |
344 | (setq gnus-window-frame-focus window)) | |
345 | ;; We return the window if it has the `point' spec. | |
346 | (and (memq 'point split) window))) | |
347 | ;; This is a frame split. | |
348 | ((eq type 'frame) | |
349 | (unless gnus-frame-list | |
350 | (setq gnus-frame-list (list (window-frame current-window)))) | |
351 | (let ((i 0) | |
352 | params frame fresult) | |
353 | (while (< i (length subs)) | |
354 | ;; Frame parameter is gotten from the sub-split. | |
355 | (setq params (cadr (elt subs i))) | |
356 | ;; It should be a list. | |
357 | (unless (listp params) | |
358 | (setq params nil)) | |
359 | ;; Create a new frame? | |
360 | (unless (setq frame (elt gnus-frame-list i)) | |
361 | (nconc gnus-frame-list (list (setq frame (make-frame params)))) | |
362 | (push frame gnus-created-frames)) | |
363 | ;; Is the old frame still alive? | |
364 | (unless (frame-live-p frame) | |
365 | (setcar (nthcdr i gnus-frame-list) | |
366 | (setq frame (make-frame params)))) | |
367 | ;; Select the frame in question and do more splits there. | |
368 | (select-frame frame) | |
369 | (setq fresult (or (gnus-configure-frame (elt subs i)) fresult)) | |
370 | (incf i)) | |
371 | ;; Select the frame that has the selected buffer. | |
372 | (when fresult | |
373 | (select-frame (window-frame fresult))))) | |
374 | ;; This is a normal split. | |
375 | (t | |
376 | (when (> (length subs) 0) | |
377 | ;; First we have to compute the sizes of all new windows. | |
378 | (while subs | |
379 | (setq sub (append (pop subs) nil)) | |
380 | (while (and (not (assq (car sub) gnus-window-to-buffer)) | |
5faa2ec0 | 381 | (symbolp (car sub)) (fboundp (car sub))) |
ca3ab2d8 SZ |
382 | (setq sub (eval sub))) |
383 | (when sub | |
384 | (push sub comp-subs) | |
385 | (setq size (cadar comp-subs)) | |
386 | (cond ((equal size 1.0) | |
387 | (setq rest (car comp-subs)) | |
388 | (setq s 0)) | |
389 | ((floatp size) | |
390 | (setq s (floor (* size len)))) | |
391 | ((integerp size) | |
392 | (setq s size)) | |
393 | (t | |
394 | (error "Invalid size: %s" size))) | |
395 | ;; Try to make sure that we are inside the safe limits. | |
396 | (cond ((zerop s)) | |
397 | ((eq type 'horizontal) | |
398 | (setq s (max s window-min-width))) | |
399 | ((eq type 'vertical) | |
400 | (setq s (max s window-min-height)))) | |
401 | (setcar (cdar comp-subs) s) | |
402 | (incf total s))) | |
403 | ;; Take care of the "1.0" spec. | |
404 | (if rest | |
405 | (setcar (cdr rest) (- len total)) | |
406 | (error "No 1.0 specs in %s" split)) | |
407 | ;; The we do the actual splitting in a nice recursive | |
408 | ;; fashion. | |
409 | (setq comp-subs (nreverse comp-subs)) | |
410 | (while comp-subs | |
411 | (if (null (cdr comp-subs)) | |
412 | (setq new-win window) | |
413 | (setq new-win | |
414 | (split-window window (cadar comp-subs) | |
415 | (eq type 'horizontal)))) | |
416 | (setq result (or (gnus-configure-frame | |
417 | (car comp-subs) window) | |
418 | result)) | |
419 | (select-window new-win) | |
420 | (setq window new-win) | |
421 | (setq comp-subs (cdr comp-subs)))) | |
422 | ;; Return the proper window, if any. | |
423 | (when result | |
424 | (select-window result))))))) | |
eec82323 LMI |
425 | |
426 | (defvar gnus-frame-split-p nil) | |
427 | ||
428 | (defun gnus-configure-windows (setting &optional force) | |
16409b0b GM |
429 | (if (window-configuration-p setting) |
430 | (set-window-configuration setting) | |
431 | (setq gnus-current-window-configuration setting) | |
432 | (setq force (or force gnus-always-force-window-configuration)) | |
433 | (setq setting (gnus-windows-old-to-new setting)) | |
434 | (let ((split (if (symbolp setting) | |
435 | (cadr (assq setting gnus-buffer-configuration)) | |
436 | setting)) | |
437 | all-visible) | |
438 | ||
439 | (setq gnus-frame-split-p nil) | |
440 | ||
441 | (unless split | |
442 | (error "No such setting in `gnus-buffer-configuration': %s" setting)) | |
443 | ||
444 | (if (and (setq all-visible (gnus-all-windows-visible-p split)) | |
445 | (not force)) | |
446 | ;; All the windows mentioned are already visible, so we just | |
447 | ;; put point in the assigned buffer, and do not touch the | |
448 | ;; winconf. | |
449 | (select-window all-visible) | |
55388e55 | 450 | |
25fc4fd5 SZ |
451 | ;; Make sure "the other" buffer, nntp-server-buffer, is live. |
452 | (unless (gnus-buffer-live-p nntp-server-buffer) | |
453 | (nnheader-init-server-buffer)) | |
16409b0b GM |
454 | |
455 | ;; Either remove all windows or just remove all Gnus windows. | |
456 | (let ((frame (selected-frame))) | |
457 | (unwind-protect | |
458 | (if gnus-use-full-window | |
459 | ;; We want to remove all other windows. | |
460 | (if (not gnus-frame-split-p) | |
461 | ;; This is not a `frame' split, so we ignore the | |
462 | ;; other frames. | |
463 | (delete-other-windows) | |
23f87bed | 464 | ;; This is a `frame' split, so we delete all windows |
16409b0b GM |
465 | ;; on all frames. |
466 | (gnus-delete-windows-in-gnusey-frames)) | |
467 | ;; Just remove some windows. | |
468 | (gnus-remove-some-windows) | |
619ac84f SZ |
469 | (if (featurep 'xemacs) |
470 | (switch-to-buffer nntp-server-buffer) | |
471 | (set-buffer nntp-server-buffer))) | |
16409b0b GM |
472 | (select-frame frame))) |
473 | ||
474 | (let (gnus-window-frame-focus) | |
619ac84f SZ |
475 | (if (featurep 'xemacs) |
476 | (switch-to-buffer nntp-server-buffer) | |
477 | (set-buffer nntp-server-buffer)) | |
16409b0b | 478 | (gnus-configure-frame split) |
23f87bed | 479 | (run-hooks 'gnus-configure-windows-hook) |
16409b0b | 480 | (when gnus-window-frame-focus |
b4fde39f MB |
481 | (gnus-select-frame-set-input-focus |
482 | (window-frame gnus-window-frame-focus)))))))) | |
eec82323 LMI |
483 | |
484 | (defun gnus-delete-windows-in-gnusey-frames () | |
485 | "Do a `delete-other-windows' in all frames that have Gnus windows." | |
6748645f | 486 | (let ((buffers (gnus-buffers))) |
eec82323 LMI |
487 | (mapcar |
488 | (lambda (frame) | |
489 | (unless (eq (cdr (assq 'minibuffer | |
490 | (frame-parameters frame))) | |
491 | 'only) | |
492 | (select-frame frame) | |
493 | (let (do-delete) | |
494 | (walk-windows | |
495 | (lambda (window) | |
496 | (when (memq (window-buffer window) buffers) | |
497 | (setq do-delete t)))) | |
498 | (when do-delete | |
499 | (delete-other-windows))))) | |
500 | (frame-list)))) | |
501 | ||
502 | (defun gnus-all-windows-visible-p (split) | |
503 | "Say whether all buffers in SPLIT are currently visible. | |
504 | In particular, the value returned will be the window that | |
505 | should have point." | |
506 | (let ((stack (list split)) | |
507 | (all-visible t) | |
508 | type buffer win buf) | |
509 | (while (and (setq split (pop stack)) | |
510 | all-visible) | |
511 | ;; Be backwards compatible. | |
512 | (when (vectorp split) | |
513 | (setq split (append split nil))) | |
514 | (when (or (consp (car split)) | |
515 | (vectorp (car split))) | |
516 | (push 1.0 split) | |
517 | (push 'vertical split)) | |
518 | ;; The SPLIT might be something that is to be evaled to | |
519 | ;; return a new SPLIT. | |
520 | (while (and (not (assq (car split) gnus-window-to-buffer)) | |
5faa2ec0 | 521 | (symbolp (car split)) (fboundp (car split))) |
eec82323 LMI |
522 | (setq split (eval split))) |
523 | ||
524 | (setq type (elt split 0)) | |
525 | (cond | |
526 | ;; Nothing here. | |
527 | ((null split) t) | |
528 | ;; A buffer. | |
529 | ((not (memq type '(horizontal vertical frame))) | |
530 | (setq buffer (cond ((stringp type) type) | |
531 | (t (cdr (assq type gnus-window-to-buffer))))) | |
532 | (unless buffer | |
16409b0b | 533 | (error "Invalid buffer type: %s" type)) |
6748645f | 534 | (if (and (setq buf (get-buffer (gnus-window-to-buffer-helper buffer))) |
23f87bed | 535 | (setq win (gnus-get-buffer-window buf t))) |
6748645f | 536 | (if (memq 'point split) |
16409b0b | 537 | (setq all-visible win)) |
eec82323 LMI |
538 | (setq all-visible nil))) |
539 | (t | |
540 | (when (eq type 'frame) | |
541 | (setq gnus-frame-split-p t)) | |
542 | (setq stack (append (cddr split) stack))))) | |
543 | (unless (eq all-visible t) | |
544 | all-visible))) | |
545 | ||
546 | (defun gnus-window-top-edge (&optional window) | |
547 | (nth 1 (window-edges window))) | |
548 | ||
549 | (defun gnus-remove-some-windows () | |
6748645f | 550 | (let ((buffers (gnus-buffers)) |
eec82323 LMI |
551 | buf bufs lowest-buf lowest) |
552 | (save-excursion | |
553 | ;; Remove windows on all known Gnus buffers. | |
6748645f LMI |
554 | (while (setq buf (pop buffers)) |
555 | (when (get-buffer-window buf) | |
556 | (push buf bufs) | |
557 | (pop-to-buffer buf) | |
558 | (when (or (not lowest) | |
559 | (< (gnus-window-top-edge) lowest)) | |
560 | (setq lowest (gnus-window-top-edge) | |
561 | lowest-buf buf)))) | |
eec82323 LMI |
562 | (when lowest-buf |
563 | (pop-to-buffer lowest-buf) | |
619ac84f SZ |
564 | (if (featurep 'xemacs) |
565 | (switch-to-buffer nntp-server-buffer) | |
566 | (set-buffer nntp-server-buffer))) | |
23f87bed MB |
567 | (mapcar (lambda (b) (delete-windows-on b t)) |
568 | (delq lowest-buf bufs))))) | |
569 | ||
570 | (eval-and-compile | |
571 | (cond | |
572 | ((fboundp 'frames-on-display-list) | |
573 | (defalias 'gnus-frames-on-display-list 'frames-on-display-list)) | |
574 | ((and (featurep 'xemacs) (fboundp 'frame-device)) | |
575 | (defun gnus-frames-on-display-list () | |
576 | (apply 'filtered-frame-list 'identity (list (frame-device nil))))) | |
577 | (t | |
578 | (defalias 'gnus-frames-on-display-list 'frame-list)))) | |
579 | ||
580 | (defun gnus-get-buffer-window (buffer &optional frame) | |
581 | (cond ((and (null gnus-use-frames-on-any-display) | |
582 | (memq frame '(t 0 visible))) | |
583 | (car | |
584 | (let ((frames (gnus-frames-on-display-list))) | |
585 | (gnus-remove-if (lambda (win) (not (memq (window-frame win) | |
586 | frames))) | |
587 | (get-buffer-window-list buffer nil frame))))) | |
588 | (t | |
589 | (get-buffer-window buffer frame)))) | |
eec82323 LMI |
590 | |
591 | (provide 'gnus-win) | |
592 | ||
593 | ;;; gnus-win.el ends here |