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eec82323 | 1 | ;;; gnus-win.el --- window configuration functions for Gnus |
e84b4b86 | 2 | |
ba318903 | 3 | ;; Copyright (C) 1996-2014 Free Software Foundation, Inc. |
eec82323 | 4 | |
6748645f | 5 | ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org> |
eec82323 LMI |
6 | ;; Keywords: news |
7 | ||
8 | ;; This file is part of GNU Emacs. | |
9 | ||
5e809f55 | 10 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
eec82323 | 11 | ;; it under the terms of the GNU General Public License as published by |
5e809f55 GM |
12 | ;; the Free Software Foundation, either version 3 of the License, or |
13 | ;; (at your option) any later version. | |
eec82323 LMI |
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 | |
5e809f55 | 17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
eec82323 LMI |
18 | ;; GNU General Public License for more details. |
19 | ||
20 | ;; You should have received a copy of the GNU General Public License | |
5e809f55 | 21 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
eec82323 LMI |
22 | |
23 | ;;; Commentary: | |
24 | ||
25 | ;;; Code: | |
26 | ||
5ab7173c RS |
27 | (eval-when-compile (require 'cl)) |
28 | ||
eec82323 | 29 | (require 'gnus) |
23f87bed | 30 | (require 'gnus-util) |
eec82323 LMI |
31 | |
32 | (defgroup gnus-windows nil | |
33 | "Window configuration." | |
34 | :group 'gnus) | |
35 | ||
36 | (defcustom gnus-use-full-window t | |
37 | "*If non-nil, use the entire Emacs screen." | |
38 | :group 'gnus-windows | |
39 | :type 'boolean) | |
40 | ||
eec82323 LMI |
41 | (defcustom gnus-window-min-width 2 |
42 | "*Minimum width of Gnus buffers." | |
43 | :group 'gnus-windows | |
44 | :type 'integer) | |
45 | ||
46 | (defcustom gnus-window-min-height 1 | |
47 | "*Minimum height of Gnus buffers." | |
48 | :group 'gnus-windows | |
49 | :type 'integer) | |
50 | ||
51 | (defcustom gnus-always-force-window-configuration nil | |
52 | "*If non-nil, always force the Gnus window configurations." | |
53 | :group 'gnus-windows | |
54 | :type 'boolean) | |
55 | ||
23f87bed | 56 | (defcustom gnus-use-frames-on-any-display nil |
8350f087 | 57 | "*If non-nil, frames on all displays will be considered usable by Gnus. |
23f87bed MB |
58 | When nil, only frames on the same display as the selected frame will be |
59 | used to display Gnus windows." | |
bf247b6e | 60 | :version "22.1" |
23f87bed MB |
61 | :group 'gnus-windows |
62 | :type 'boolean) | |
63 | ||
eec82323 LMI |
64 | (defvar gnus-buffer-configuration |
65 | '((group | |
66 | (vertical 1.0 | |
71e691a5 | 67 | (group 1.0 point))) |
eec82323 LMI |
68 | (summary |
69 | (vertical 1.0 | |
71e691a5 | 70 | (summary 1.0 point))) |
eec82323 LMI |
71 | (article |
72 | (cond | |
eec82323 LMI |
73 | (gnus-use-trees |
74 | '(vertical 1.0 | |
75 | (summary 0.25 point) | |
76 | (tree 0.25) | |
77 | (article 1.0))) | |
78 | (t | |
79 | '(vertical 1.0 | |
16409b0b | 80 | (summary 0.25 point) |
16409b0b | 81 | (article 1.0))))) |
eec82323 LMI |
82 | (server |
83 | (vertical 1.0 | |
71e691a5 | 84 | (server 1.0 point))) |
eec82323 LMI |
85 | (browse |
86 | (vertical 1.0 | |
71e691a5 | 87 | (browse 1.0 point))) |
eec82323 LMI |
88 | (message |
89 | (vertical 1.0 | |
90 | (message 1.0 point))) | |
91 | (pick | |
92 | (vertical 1.0 | |
93 | (article 1.0 point))) | |
94 | (info | |
95 | (vertical 1.0 | |
96 | (info 1.0 point))) | |
97 | (summary-faq | |
98 | (vertical 1.0 | |
99 | (summary 0.25) | |
100 | (faq 1.0 point))) | |
a3f57c41 G |
101 | (only-article |
102 | (vertical 1.0 | |
103 | (article 1.0 point))) | |
eec82323 LMI |
104 | (edit-article |
105 | (vertical 1.0 | |
106 | (article 1.0 point))) | |
107 | (edit-form | |
108 | (vertical 1.0 | |
109 | (group 0.5) | |
110 | (edit-form 1.0 point))) | |
111 | (edit-score | |
112 | (vertical 1.0 | |
113 | (summary 0.25) | |
114 | (edit-score 1.0 point))) | |
01c52d31 MB |
115 | (edit-server |
116 | (vertical 1.0 | |
117 | (server 0.5) | |
118 | (edit-form 1.0 point))) | |
eec82323 LMI |
119 | (post |
120 | (vertical 1.0 | |
121 | (post 1.0 point))) | |
122 | (reply | |
123 | (vertical 1.0 | |
23f87bed | 124 | (article 0.5) |
eec82323 LMI |
125 | (message 1.0 point))) |
126 | (forward | |
127 | (vertical 1.0 | |
128 | (message 1.0 point))) | |
129 | (reply-yank | |
130 | (vertical 1.0 | |
131 | (message 1.0 point))) | |
132 | (mail-bounce | |
133 | (vertical 1.0 | |
134 | (article 0.5) | |
135 | (message 1.0 point))) | |
eec82323 LMI |
136 | (pipe |
137 | (vertical 1.0 | |
138 | (summary 0.25 point) | |
eec82323 LMI |
139 | ("*Shell Command Output*" 1.0))) |
140 | (bug | |
141 | (vertical 1.0 | |
55388e55 | 142 | (if gnus-bug-create-help-buffer '("*Gnus Help Bug*" 0.5)) |
eec82323 LMI |
143 | ("*Gnus Bug*" 1.0 point))) |
144 | (score-trace | |
145 | (vertical 1.0 | |
146 | (summary 0.5 point) | |
147 | ("*Score Trace*" 1.0))) | |
148 | (score-words | |
149 | (vertical 1.0 | |
150 | (summary 0.5 point) | |
151 | ("*Score Words*" 1.0))) | |
6748645f LMI |
152 | (split-trace |
153 | (vertical 1.0 | |
154 | (summary 0.5 point) | |
155 | ("*Split Trace*" 1.0))) | |
156 | (category | |
157 | (vertical 1.0 | |
158 | (category 1.0))) | |
eec82323 LMI |
159 | (compose-bounce |
160 | (vertical 1.0 | |
161 | (article 0.5) | |
23f87bed MB |
162 | (message 1.0 point))) |
163 | (display-term | |
01c52d31 MB |
164 | (vertical 1.0 |
165 | ("*display*" 1.0))) | |
166 | (mml-preview | |
167 | (vertical 1.0 | |
168 | (message 0.5) | |
169 | (mml-preview 1.0 point)))) | |
eec82323 LMI |
170 | "Window configuration for all possible Gnus buffers. |
171 | See the Gnus manual for an explanation of the syntax used.") | |
172 | ||
173 | (defvar gnus-window-to-buffer | |
174 | '((group . gnus-group-buffer) | |
175 | (summary . gnus-summary-buffer) | |
176 | (article . gnus-article-buffer) | |
177 | (server . gnus-server-buffer) | |
178 | (browse . "*Gnus Browse Server*") | |
179 | (edit-group . gnus-group-edit-buffer) | |
180 | (edit-form . gnus-edit-form-buffer) | |
181 | (edit-server . gnus-server-edit-buffer) | |
eec82323 LMI |
182 | (edit-score . gnus-score-edit-buffer) |
183 | (message . gnus-message-buffer) | |
184 | (mail . gnus-message-buffer) | |
185 | (post-news . gnus-message-buffer) | |
186 | (faq . gnus-faq-buffer) | |
eec82323 | 187 | (tree . gnus-tree-buffer) |
a8151ef7 | 188 | (score-trace . "*Score Trace*") |
6748645f | 189 | (split-trace . "*Split Trace*") |
eec82323 | 190 | (info . gnus-info-buffer) |
6748645f | 191 | (category . gnus-category-buffer) |
eec82323 | 192 | (article-copy . gnus-article-copy) |
01c52d31 MB |
193 | (draft . gnus-draft-buffer) |
194 | (mml-preview . mml-preview-buffer)) | |
eec82323 LMI |
195 | "Mapping from short symbols to buffer names or buffer variables.") |
196 | ||
23f87bed MB |
197 | (defcustom gnus-configure-windows-hook nil |
198 | "*A hook called when configuring windows." | |
bf247b6e | 199 | :version "22.1" |
23f87bed MB |
200 | :group 'gnus-windows |
201 | :type 'hook) | |
202 | ||
eec82323 LMI |
203 | ;;; Internal variables. |
204 | ||
205 | (defvar gnus-current-window-configuration nil | |
206 | "The most recently set window configuration.") | |
207 | ||
208 | (defvar gnus-created-frames nil) | |
6748645f | 209 | (defvar gnus-window-frame-focus nil) |
eec82323 LMI |
210 | |
211 | (defun gnus-kill-gnus-frames () | |
212 | "Kill all frames Gnus has created." | |
213 | (while gnus-created-frames | |
214 | (when (frame-live-p (car gnus-created-frames)) | |
215 | ;; We slap a condition-case around this `delete-frame' to ensure | |
216 | ;; against errors if we try do delete the single frame that's left. | |
217 | (ignore-errors | |
218 | (delete-frame (car gnus-created-frames)))) | |
219 | (pop gnus-created-frames))) | |
220 | ||
eec82323 LMI |
221 | ;;;###autoload |
222 | (defun gnus-add-configuration (conf) | |
223 | "Add the window configuration CONF to `gnus-buffer-configuration'." | |
224 | (setq gnus-buffer-configuration | |
225 | (cons conf (delq (assq (car conf) gnus-buffer-configuration) | |
226 | gnus-buffer-configuration)))) | |
227 | ||
228 | (defvar gnus-frame-list nil) | |
229 | ||
6748645f LMI |
230 | (defun gnus-window-to-buffer-helper (obj) |
231 | (cond ((not (symbolp obj)) | |
232 | obj) | |
233 | ((boundp obj) | |
234 | (symbol-value obj)) | |
235 | ((fboundp obj) | |
236 | (funcall obj)) | |
237 | (t | |
238 | nil))) | |
239 | ||
eec82323 LMI |
240 | (defun gnus-configure-frame (split &optional window) |
241 | "Split WINDOW according to SPLIT." | |
245101e5 SM |
242 | (let* ((current-window (or (get-buffer-window (current-buffer)) |
243 | (selected-window))) | |
ed797193 | 244 | (window (or window current-window))) |
ca3ab2d8 | 245 | (select-window window) |
99d99081 | 246 | ;; The SPLIT might be something that is to be evalled to |
ca3ab2d8 SZ |
247 | ;; return a new SPLIT. |
248 | (while (and (not (assq (car split) gnus-window-to-buffer)) | |
5faa2ec0 | 249 | (symbolp (car split)) (fboundp (car split))) |
ca3ab2d8 SZ |
250 | (setq split (eval split))) |
251 | (let* ((type (car split)) | |
252 | (subs (cddr split)) | |
253 | (len (if (eq type 'horizontal) (window-width) (window-height))) | |
254 | (total 0) | |
255 | (window-min-width (or gnus-window-min-width window-min-width)) | |
256 | (window-min-height (or gnus-window-min-height window-min-height)) | |
257 | s result new-win rest comp-subs size sub) | |
258 | (cond | |
259 | ;; Nothing to do here. | |
260 | ((null split)) | |
261 | ;; Don't switch buffers. | |
262 | ((null type) | |
263 | (and (memq 'point split) window)) | |
264 | ;; This is a buffer to be selected. | |
265 | ((not (memq type '(frame horizontal vertical))) | |
266 | (let ((buffer (cond ((stringp type) type) | |
267 | (t (cdr (assq type gnus-window-to-buffer)))))) | |
268 | (unless buffer | |
269 | (error "Invalid buffer type: %s" type)) | |
270 | (let ((buf (gnus-get-buffer-create | |
271 | (gnus-window-to-buffer-helper buffer)))) | |
a123622d | 272 | (when (buffer-name buf) |
245101e5 SM |
273 | (cond |
274 | ((eq buf (window-buffer (selected-window))) | |
275 | (set-buffer buf)) | |
4e2cc2f3 NF |
276 | ((eq t (window-dedicated-p |
277 | ;; XEmacs version of `window-dedicated-p' requires it. | |
278 | (selected-window))) | |
245101e5 | 279 | ;; If the window is hard-dedicated, we have a problem because |
c846da43 | 280 | ;; we just can't do what we're asked. But signaling an error, |
245101e5 SM |
281 | ;; like `switch-to-buffer' would do, is not an option because |
282 | ;; it would prevent things like "^" (to jump to the *Servers*) | |
283 | ;; in a dedicated *Group*. | |
284 | ;; FIXME: Maybe a better/additional fix would be to change | |
285 | ;; gnus-configure-windows so that when called | |
286 | ;; from a hard-dedicated frame, it creates (and | |
287 | ;; configures) a new frame, leaving the dedicated frame alone. | |
288 | (pop-to-buffer buf)) | |
289 | (t (switch-to-buffer buf))))) | |
ca3ab2d8 SZ |
290 | (when (memq 'frame-focus split) |
291 | (setq gnus-window-frame-focus window)) | |
292 | ;; We return the window if it has the `point' spec. | |
293 | (and (memq 'point split) window))) | |
294 | ;; This is a frame split. | |
295 | ((eq type 'frame) | |
296 | (unless gnus-frame-list | |
297 | (setq gnus-frame-list (list (window-frame current-window)))) | |
298 | (let ((i 0) | |
299 | params frame fresult) | |
300 | (while (< i (length subs)) | |
301 | ;; Frame parameter is gotten from the sub-split. | |
302 | (setq params (cadr (elt subs i))) | |
303 | ;; It should be a list. | |
304 | (unless (listp params) | |
305 | (setq params nil)) | |
306 | ;; Create a new frame? | |
307 | (unless (setq frame (elt gnus-frame-list i)) | |
308 | (nconc gnus-frame-list (list (setq frame (make-frame params)))) | |
309 | (push frame gnus-created-frames)) | |
310 | ;; Is the old frame still alive? | |
311 | (unless (frame-live-p frame) | |
312 | (setcar (nthcdr i gnus-frame-list) | |
313 | (setq frame (make-frame params)))) | |
314 | ;; Select the frame in question and do more splits there. | |
315 | (select-frame frame) | |
316 | (setq fresult (or (gnus-configure-frame (elt subs i)) fresult)) | |
317 | (incf i)) | |
318 | ;; Select the frame that has the selected buffer. | |
319 | (when fresult | |
320 | (select-frame (window-frame fresult))))) | |
321 | ;; This is a normal split. | |
322 | (t | |
323 | (when (> (length subs) 0) | |
324 | ;; First we have to compute the sizes of all new windows. | |
325 | (while subs | |
326 | (setq sub (append (pop subs) nil)) | |
327 | (while (and (not (assq (car sub) gnus-window-to-buffer)) | |
5faa2ec0 | 328 | (symbolp (car sub)) (fboundp (car sub))) |
ca3ab2d8 SZ |
329 | (setq sub (eval sub))) |
330 | (when sub | |
331 | (push sub comp-subs) | |
332 | (setq size (cadar comp-subs)) | |
333 | (cond ((equal size 1.0) | |
334 | (setq rest (car comp-subs)) | |
335 | (setq s 0)) | |
336 | ((floatp size) | |
337 | (setq s (floor (* size len)))) | |
338 | ((integerp size) | |
339 | (setq s size)) | |
340 | (t | |
341 | (error "Invalid size: %s" size))) | |
342 | ;; Try to make sure that we are inside the safe limits. | |
343 | (cond ((zerop s)) | |
344 | ((eq type 'horizontal) | |
345 | (setq s (max s window-min-width))) | |
346 | ((eq type 'vertical) | |
347 | (setq s (max s window-min-height)))) | |
348 | (setcar (cdar comp-subs) s) | |
349 | (incf total s))) | |
350 | ;; Take care of the "1.0" spec. | |
351 | (if rest | |
352 | (setcar (cdr rest) (- len total)) | |
353 | (error "No 1.0 specs in %s" split)) | |
354 | ;; The we do the actual splitting in a nice recursive | |
355 | ;; fashion. | |
356 | (setq comp-subs (nreverse comp-subs)) | |
357 | (while comp-subs | |
245101e5 SM |
358 | (setq new-win |
359 | (if (null (cdr comp-subs)) | |
360 | window | |
ca3ab2d8 SZ |
361 | (split-window window (cadar comp-subs) |
362 | (eq type 'horizontal)))) | |
363 | (setq result (or (gnus-configure-frame | |
364 | (car comp-subs) window) | |
365 | result)) | |
366 | (select-window new-win) | |
367 | (setq window new-win) | |
368 | (setq comp-subs (cdr comp-subs)))) | |
369 | ;; Return the proper window, if any. | |
370 | (when result | |
371 | (select-window result))))))) | |
eec82323 LMI |
372 | |
373 | (defvar gnus-frame-split-p nil) | |
374 | ||
375 | (defun gnus-configure-windows (setting &optional force) | |
465d0300 G |
376 | (cond |
377 | ((null setting) | |
378 | ;; Do nothing. | |
379 | ) | |
380 | ((window-configuration-p setting) | |
381 | (set-window-configuration setting)) | |
382 | (t | |
16409b0b GM |
383 | (setq gnus-current-window-configuration setting) |
384 | (setq force (or force gnus-always-force-window-configuration)) | |
16409b0b | 385 | (let ((split (if (symbolp setting) |
ed797193 G |
386 | (cadr (assq setting gnus-buffer-configuration)) |
387 | setting)) | |
388 | all-visible) | |
16409b0b GM |
389 | |
390 | (setq gnus-frame-split-p nil) | |
391 | ||
392 | (unless split | |
ed797193 | 393 | (error "No such setting in `gnus-buffer-configuration': %s" setting)) |
16409b0b GM |
394 | |
395 | (if (and (setq all-visible (gnus-all-windows-visible-p split)) | |
ed797193 G |
396 | (not force)) |
397 | ;; All the windows mentioned are already visible, so we just | |
398 | ;; put point in the assigned buffer, and do not touch the | |
399 | ;; winconf. | |
400 | (select-window all-visible) | |
401 | ||
402 | ;; Make sure "the other" buffer, nntp-server-buffer, is live. | |
403 | (unless (gnus-buffer-live-p nntp-server-buffer) | |
404 | (nnheader-init-server-buffer)) | |
405 | ||
406 | ;; Either remove all windows or just remove all Gnus windows. | |
407 | (let ((frame (selected-frame))) | |
408 | (unwind-protect | |
409 | (if gnus-use-full-window | |
410 | ;; We want to remove all other windows. | |
411 | (if (not gnus-frame-split-p) | |
412 | ;; This is not a `frame' split, so we ignore the | |
413 | ;; other frames. | |
414 | (delete-other-windows) | |
415 | ;; This is a `frame' split, so we delete all windows | |
416 | ;; on all frames. | |
417 | (gnus-delete-windows-in-gnusey-frames)) | |
418 | ;; Just remove some windows. | |
419 | (gnus-remove-some-windows) | |
420 | (if (featurep 'xemacs) | |
421 | (switch-to-buffer nntp-server-buffer) | |
422 | (set-buffer nntp-server-buffer))) | |
423 | (select-frame frame))) | |
424 | ||
425 | (let (gnus-window-frame-focus) | |
426 | (if (featurep 'xemacs) | |
427 | (switch-to-buffer nntp-server-buffer) | |
428 | (set-buffer nntp-server-buffer)) | |
429 | (gnus-configure-frame split) | |
430 | (run-hooks 'gnus-configure-windows-hook) | |
431 | (when gnus-window-frame-focus | |
432 | (gnus-select-frame-set-input-focus | |
465d0300 | 433 | (window-frame gnus-window-frame-focus))))))))) |
eec82323 LMI |
434 | |
435 | (defun gnus-delete-windows-in-gnusey-frames () | |
436 | "Do a `delete-other-windows' in all frames that have Gnus windows." | |
6748645f | 437 | (let ((buffers (gnus-buffers))) |
eec82323 LMI |
438 | (mapcar |
439 | (lambda (frame) | |
440 | (unless (eq (cdr (assq 'minibuffer | |
441 | (frame-parameters frame))) | |
442 | 'only) | |
443 | (select-frame frame) | |
444 | (let (do-delete) | |
445 | (walk-windows | |
446 | (lambda (window) | |
447 | (when (memq (window-buffer window) buffers) | |
448 | (setq do-delete t)))) | |
449 | (when do-delete | |
450 | (delete-other-windows))))) | |
451 | (frame-list)))) | |
452 | ||
453 | (defun gnus-all-windows-visible-p (split) | |
454 | "Say whether all buffers in SPLIT are currently visible. | |
455 | In particular, the value returned will be the window that | |
456 | should have point." | |
457 | (let ((stack (list split)) | |
458 | (all-visible t) | |
459 | type buffer win buf) | |
460 | (while (and (setq split (pop stack)) | |
461 | all-visible) | |
54b6f6ed | 462 | (when (consp (car split)) |
eec82323 LMI |
463 | (push 1.0 split) |
464 | (push 'vertical split)) | |
99d99081 | 465 | ;; The SPLIT might be something that is to be evalled to |
eec82323 LMI |
466 | ;; return a new SPLIT. |
467 | (while (and (not (assq (car split) gnus-window-to-buffer)) | |
5faa2ec0 | 468 | (symbolp (car split)) (fboundp (car split))) |
eec82323 LMI |
469 | (setq split (eval split))) |
470 | ||
471 | (setq type (elt split 0)) | |
472 | (cond | |
473 | ;; Nothing here. | |
474 | ((null split) t) | |
475 | ;; A buffer. | |
476 | ((not (memq type '(horizontal vertical frame))) | |
477 | (setq buffer (cond ((stringp type) type) | |
478 | (t (cdr (assq type gnus-window-to-buffer))))) | |
479 | (unless buffer | |
16409b0b | 480 | (error "Invalid buffer type: %s" type)) |
6748645f | 481 | (if (and (setq buf (get-buffer (gnus-window-to-buffer-helper buffer))) |
e7719ea1 | 482 | (buffer-live-p buf) |
23f87bed | 483 | (setq win (gnus-get-buffer-window buf t))) |
6748645f | 484 | (if (memq 'point split) |
16409b0b | 485 | (setq all-visible win)) |
eec82323 LMI |
486 | (setq all-visible nil))) |
487 | (t | |
488 | (when (eq type 'frame) | |
489 | (setq gnus-frame-split-p t)) | |
490 | (setq stack (append (cddr split) stack))))) | |
491 | (unless (eq all-visible t) | |
492 | all-visible))) | |
493 | ||
494 | (defun gnus-window-top-edge (&optional window) | |
54b6f6ed | 495 | "Return the top coordinate of WINDOW." |
eec82323 LMI |
496 | (nth 1 (window-edges window))) |
497 | ||
498 | (defun gnus-remove-some-windows () | |
6748645f | 499 | (let ((buffers (gnus-buffers)) |
eec82323 LMI |
500 | buf bufs lowest-buf lowest) |
501 | (save-excursion | |
502 | ;; Remove windows on all known Gnus buffers. | |
6748645f LMI |
503 | (while (setq buf (pop buffers)) |
504 | (when (get-buffer-window buf) | |
505 | (push buf bufs) | |
506 | (pop-to-buffer buf) | |
507 | (when (or (not lowest) | |
508 | (< (gnus-window-top-edge) lowest)) | |
509 | (setq lowest (gnus-window-top-edge) | |
510 | lowest-buf buf)))) | |
eec82323 LMI |
511 | (when lowest-buf |
512 | (pop-to-buffer lowest-buf) | |
619ac84f SZ |
513 | (if (featurep 'xemacs) |
514 | (switch-to-buffer nntp-server-buffer) | |
515 | (set-buffer nntp-server-buffer))) | |
23f87bed MB |
516 | (mapcar (lambda (b) (delete-windows-on b t)) |
517 | (delq lowest-buf bufs))))) | |
518 | ||
519 | (eval-and-compile | |
520 | (cond | |
521 | ((fboundp 'frames-on-display-list) | |
522 | (defalias 'gnus-frames-on-display-list 'frames-on-display-list)) | |
523 | ((and (featurep 'xemacs) (fboundp 'frame-device)) | |
524 | (defun gnus-frames-on-display-list () | |
525 | (apply 'filtered-frame-list 'identity (list (frame-device nil))))) | |
526 | (t | |
527 | (defalias 'gnus-frames-on-display-list 'frame-list)))) | |
528 | ||
529 | (defun gnus-get-buffer-window (buffer &optional frame) | |
530 | (cond ((and (null gnus-use-frames-on-any-display) | |
531 | (memq frame '(t 0 visible))) | |
532 | (car | |
533 | (let ((frames (gnus-frames-on-display-list))) | |
534 | (gnus-remove-if (lambda (win) (not (memq (window-frame win) | |
535 | frames))) | |
536 | (get-buffer-window-list buffer nil frame))))) | |
537 | (t | |
538 | (get-buffer-window buffer frame)))) | |
eec82323 LMI |
539 | |
540 | (provide 'gnus-win) | |
541 | ||
542 | ;;; gnus-win.el ends here |