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be010748 | 1 | ;;; mouse.el --- window system-independent mouse support |
84176303 | 2 | |
be010748 | 3 | ;; Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc. |
eea8d4ef | 4 | |
84176303 | 5 | ;; Maintainer: FSF |
84176303 ER |
6 | ;; Keywords: hardware |
7 | ||
be010748 | 8 | ;; This file is part of GNU Emacs. |
72ea54a4 | 9 | |
be010748 RS |
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. | |
72ea54a4 | 14 | |
be010748 RS |
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. | |
72ea54a4 | 19 | |
be010748 | 20 | ;; You should have received a copy of the GNU General Public License |
4c9afcbe RS |
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. | |
72ea54a4 | 24 | |
edbd2f74 ER |
25 | ;;; Commentary: |
26 | ||
27 | ;; This package provides various useful commands (including help | |
28 | ;; system access) through the mouse. All this code assumes that mouse | |
29 | ;; interpretation has been abstracted into Emacs input events. | |
30 | ;; | |
31 | ;; The code is rather X-dependent. | |
32 | ||
aae56ea7 ER |
33 | ;;; Code: |
34 | ||
cc0a8174 | 35 | ;;; Utility functions. |
72ea54a4 | 36 | |
cc0a8174 JB |
37 | ;;; Indent track-mouse like progn. |
38 | (put 'track-mouse 'lisp-indent-function 0) | |
72ea54a4 | 39 | |
3b558d41 RS |
40 | (defcustom mouse-yank-at-point nil |
41 | "*If non-nil, mouse yank commands yank at point instead of at click." | |
42 | :type 'boolean | |
43 | :group 'mouse) | |
cc0a8174 | 44 | \f |
95132d1c RS |
45 | ;; Provide a mode-specific menu on a mouse button. |
46 | ||
6a16c4cb | 47 | (defun mouse-major-mode-menu (event prefix) |
95132d1c RS |
48 | "Pop up a mode-specific menu of mouse commands." |
49 | ;; Switch to the window clicked on, because otherwise | |
50 | ;; the mode's commands may not make sense. | |
6a16c4cb | 51 | (interactive "@e\nP") |
d5c847bb KH |
52 | (let (;; This is where mouse-major-mode-menu-prefix |
53 | ;; returns the prefix we should use (after menu-bar). | |
54 | ;; It is either nil or (SOME-SYMBOL). | |
55 | (mouse-major-mode-menu-prefix nil) | |
56 | ;; Make a keymap in which our last command leads to a menu | |
57 | (newmap (make-sparse-keymap (concat mode-name " Mode"))) | |
58 | result) | |
59 | ;; Make our menu inherit from the desired keymap | |
60 | ;; which we want to display as the menu now. | |
61 | (set-keymap-parent newmap | |
62 | (mouse-major-mode-menu-1 | |
63 | (and (current-local-map) | |
64 | (lookup-key (current-local-map) [menu-bar])))) | |
65 | (setq result (x-popup-menu t (list newmap))) | |
66 | (if result | |
67 | (let ((command (key-binding | |
68 | (apply 'vector (append '(menu-bar) | |
69 | mouse-major-mode-menu-prefix | |
70 | result))))) | |
6a16c4cb RS |
71 | ;; Clear out echoing, which perhaps shows a prefix arg. |
72 | (message "") | |
d5c847bb | 73 | (if command |
6a16c4cb RS |
74 | (progn |
75 | (setq prefix-arg prefix) | |
76 | (command-execute command))))))) | |
95132d1c RS |
77 | |
78 | ;; Compute and cache the equivalent keys in MENU and all its submenus. | |
d5c847bb KH |
79 | ;;;(defun mouse-major-mode-menu-compute-equiv-keys (menu) |
80 | ;;; (and (eq (car menu) 'keymap) | |
81 | ;;; (x-popup-menu nil menu)) | |
82 | ;;; (while menu | |
83 | ;;; (and (consp (car menu)) | |
84 | ;;; (consp (cdr (car menu))) | |
85 | ;;; (let ((tail (cdr (car menu)))) | |
86 | ;;; (while (and (consp tail) | |
87 | ;;; (not (eq (car tail) 'keymap))) | |
88 | ;;; (setq tail (cdr tail))) | |
89 | ;;; (if (consp tail) | |
90 | ;;; (mouse-major-mode-menu-compute-equiv-keys tail)))) | |
91 | ;;; (setq menu (cdr menu)))) | |
95132d1c RS |
92 | |
93 | ;; Given a mode's menu bar keymap, | |
94 | ;; if it defines exactly one menu bar menu, | |
95 | ;; return just that menu. | |
96 | ;; Otherwise return a menu for all of them. | |
97 | (defun mouse-major-mode-menu-1 (menubar) | |
98 | (if menubar | |
99 | (let ((tail menubar) | |
100 | submap) | |
101 | (while tail | |
102 | (if (consp (car tail)) | |
103 | (if submap | |
104 | (setq submap t) | |
d5c847bb | 105 | (setq submap (car tail)))) |
95132d1c | 106 | (setq tail (cdr tail))) |
d5c847bb | 107 | (if (eq submap t) |
d3e458b0 | 108 | menubar |
d5c847bb KH |
109 | (setq mouse-major-mode-menu-prefix (list (car submap))) |
110 | (cdr (cdr submap)))))) | |
95132d1c | 111 | \f |
544e7e73 RS |
112 | ;; Commands that operate on windows. |
113 | ||
d65147f6 KH |
114 | (defun mouse-minibuffer-check (event) |
115 | (let ((w (posn-window (event-start event)))) | |
116 | (and (window-minibuffer-p w) | |
117 | (not (minibuffer-window-active-p w)) | |
33c448cd RS |
118 | (error "Minibuffer window is not active"))) |
119 | ;; Give temporary modes such as isearch a chance to turn off. | |
120 | (run-hooks 'mouse-leave-buffer-hook)) | |
d65147f6 | 121 | |
cc0a8174 | 122 | (defun mouse-delete-window (click) |
947da0c4 | 123 | "Delete the window you click on. |
cc0a8174 | 124 | This must be bound to a mouse click." |
ec558adc | 125 | (interactive "e") |
d65147f6 | 126 | (mouse-minibuffer-check click) |
b5370f03 | 127 | (delete-window (posn-window (event-start click)))) |
cc0a8174 | 128 | |
3c2dd2c0 RS |
129 | (defun mouse-select-window (click) |
130 | "Select the window clicked on; don't move point." | |
131 | (interactive "e") | |
d65147f6 | 132 | (mouse-minibuffer-check click) |
3c2dd2c0 RS |
133 | (let ((oframe (selected-frame)) |
134 | (frame (window-frame (posn-window (event-start click))))) | |
135 | (select-window (posn-window (event-start click))) | |
136 | (raise-frame frame) | |
137 | (select-frame frame) | |
138 | (or (eq frame oframe) | |
e1877477 | 139 | (set-mouse-position (selected-frame) (1- (frame-width)) 0)))) |
3c2dd2c0 | 140 | |
b0f3a26b JB |
141 | (defun mouse-tear-off-window (click) |
142 | "Delete the window clicked on, and create a new frame displaying its buffer." | |
143 | (interactive "e") | |
d65147f6 | 144 | (mouse-minibuffer-check click) |
b0f3a26b JB |
145 | (let* ((window (posn-window (event-start click))) |
146 | (buf (window-buffer window)) | |
01a911e3 | 147 | (frame (make-frame))) |
b0f3a26b JB |
148 | (select-frame frame) |
149 | (switch-to-buffer buf) | |
150 | (delete-window window))) | |
151 | ||
b5370f03 | 152 | (defun mouse-delete-other-windows () |
947da0c4 | 153 | "Delete all window except the one you click on." |
b5370f03 | 154 | (interactive "@") |
cc0a8174 | 155 | (delete-other-windows)) |
72ea54a4 | 156 | |
cc0a8174 JB |
157 | (defun mouse-split-window-vertically (click) |
158 | "Select Emacs window mouse is on, then split it vertically in half. | |
159 | The window is split at the line clicked on. | |
160 | This command must be bound to a mouse click." | |
947da0c4 | 161 | (interactive "@e") |
d65147f6 | 162 | (mouse-minibuffer-check click) |
b5370f03 JB |
163 | (let ((start (event-start click))) |
164 | (select-window (posn-window start)) | |
85d6b80b | 165 | (let ((new-height (1+ (cdr (posn-col-row (event-end click))))) |
5ba2dc3f JB |
166 | (first-line window-min-height) |
167 | (last-line (- (window-height) window-min-height))) | |
168 | (if (< last-line first-line) | |
0a50b993 | 169 | (error "Window too short to split") |
5ba2dc3f JB |
170 | (split-window-vertically |
171 | (min (max new-height first-line) last-line)))))) | |
cc0a8174 | 172 | |
947da0c4 RS |
173 | (defun mouse-split-window-horizontally (click) |
174 | "Select Emacs window mouse is on, then split it horizontally in half. | |
175 | The window is split at the column clicked on. | |
176 | This command must be bound to a mouse click." | |
177 | (interactive "@e") | |
d65147f6 | 178 | (mouse-minibuffer-check click) |
5ba2dc3f JB |
179 | (let ((start (event-start click))) |
180 | (select-window (posn-window start)) | |
181 | (let ((new-width (1+ (car (posn-col-row (event-end click))))) | |
182 | (first-col window-min-width) | |
183 | (last-col (- (window-width) window-min-width))) | |
184 | (if (< last-col first-col) | |
0a50b993 | 185 | (error "Window too narrow to split") |
5ba2dc3f JB |
186 | (split-window-horizontally |
187 | (min (max new-width first-col) last-col)))))) | |
947da0c4 | 188 | |
544e7e73 RS |
189 | (defun mouse-drag-mode-line (start-event) |
190 | "Change the height of a window by dragging on the mode line." | |
191 | (interactive "e") | |
33c448cd RS |
192 | ;; Give temporary modes such as isearch a chance to turn off. |
193 | (run-hooks 'mouse-leave-buffer-hook) | |
544e7e73 RS |
194 | (let ((done nil) |
195 | (echo-keystrokes 0) | |
196 | (start-event-frame (window-frame (car (car (cdr start-event))))) | |
197 | (start-event-window (car (car (cdr start-event)))) | |
198 | (start-nwindows (count-windows t)) | |
199 | (old-selected-window (selected-window)) | |
200 | should-enlarge-minibuffer | |
201 | event mouse minibuffer y top bot edges wconfig params growth) | |
202 | (setq params (frame-parameters)) | |
951e0427 | 203 | (setq minibuffer (cdr (assq 'minibuffer params))) |
544e7e73 RS |
204 | (track-mouse |
205 | (progn | |
206 | ;; enlarge-window only works on the selected window, so | |
207 | ;; we must select the window where the start event originated. | |
208 | ;; unwind-protect will restore the old selected window later. | |
209 | (select-window start-event-window) | |
210 | ;; if this is the bottommost ordinary window, then to | |
211 | ;; move its modeline the minibuffer must be enlarged. | |
212 | (setq should-enlarge-minibuffer | |
213 | (and minibuffer | |
214 | (not (one-window-p t)) | |
215 | (= (nth 1 (window-edges minibuffer)) | |
216 | (nth 3 (window-edges))))) | |
217 | ;; loop reading events and sampling the position of | |
218 | ;; the mouse. | |
219 | (while (not done) | |
220 | (setq event (read-event) | |
221 | mouse (mouse-position)) | |
222 | ;; do nothing if | |
223 | ;; - there is a switch-frame event. | |
224 | ;; - the mouse isn't in the frame that we started in | |
225 | ;; - the mouse isn't in any Emacs frame | |
226 | ;; drag if | |
227 | ;; - there is a mouse-movement event | |
228 | ;; - there is a scroll-bar-movement event | |
229 | ;; (same as mouse movement for our purposes) | |
230 | ;; quit if | |
231 | ;; - there is a keyboard event or some other unknown event | |
232 | ;; unknown event. | |
233 | (cond ((integerp event) | |
234 | (setq done t)) | |
235 | ((eq (car event) 'switch-frame) | |
236 | nil) | |
237 | ((not (memq (car event) | |
238 | '(mouse-movement scroll-bar-movement))) | |
239 | (if (consp event) | |
240 | (setq unread-command-events | |
241 | (cons event unread-command-events))) | |
242 | (setq done t)) | |
243 | ((not (eq (car mouse) start-event-frame)) | |
244 | nil) | |
245 | ((null (car (cdr mouse))) | |
246 | nil) | |
247 | (t | |
248 | (setq y (cdr (cdr mouse)) | |
249 | edges (window-edges) | |
250 | top (nth 1 edges) | |
251 | bot (nth 3 edges)) | |
252 | ;; scale back a move that would make the | |
253 | ;; window too short. | |
254 | (cond ((< (- y top -1) window-min-height) | |
255 | (setq y (+ top window-min-height -1)))) | |
256 | ;; compute size change needed | |
257 | (setq growth (- y bot -1) | |
258 | wconfig (current-window-configuration)) | |
951e0427 RS |
259 | ;; Check for an error case. |
260 | (if (and (/= growth 0) | |
261 | (not minibuffer) | |
262 | (one-window-p t)) | |
263 | (error "Attempt to resize sole window")) | |
544e7e73 RS |
264 | ;; grow/shrink minibuffer? |
265 | (if should-enlarge-minibuffer | |
266 | (progn | |
267 | ;; yes. briefly select minibuffer so | |
268 | ;; enlarge-window will affect the | |
269 | ;; correct window. | |
270 | (select-window minibuffer) | |
271 | ;; scale back shrinkage if it would | |
272 | ;; make the minibuffer less than 1 | |
273 | ;; line tall. | |
274 | (if (and (> growth 0) | |
275 | (< (- (window-height minibuffer) | |
276 | growth) | |
277 | 1)) | |
278 | (setq growth (1- (window-height minibuffer)))) | |
279 | (enlarge-window (- growth)) | |
280 | (select-window start-event-window)) | |
281 | ;; no. grow/shrink the selected window | |
282 | (enlarge-window growth)) | |
283 | ;; if this window's growth caused another | |
284 | ;; window to be deleted because it was too | |
285 | ;; short, rescind the change. | |
286 | ;; | |
287 | ;; if size change caused space to be stolen | |
288 | ;; from a window above this one, rescind the | |
289 | ;; change, but only if we didn't grow/srhink | |
290 | ;; the minibuffer. minibuffer size changes | |
291 | ;; can cause all windows to shrink... no way | |
292 | ;; around it. | |
293 | (if (or (/= start-nwindows (count-windows t)) | |
294 | (and (not should-enlarge-minibuffer) | |
295 | (/= top (nth 1 (window-edges))))) | |
296 | (set-window-configuration wconfig))))))))) | |
297 | \f | |
08a1c178 RS |
298 | (defun mouse-drag-vertical-line (start-event) |
299 | "Change the width of a window by dragging on the vertical line." | |
300 | (interactive "e") | |
301 | ;; Give temporary modes such as isearch a chance to turn off. | |
302 | (run-hooks 'mouse-leave-buffer-hook) | |
303 | (let ((done nil) | |
304 | (echo-keystrokes 0) | |
305 | (start-event-frame (window-frame (car (car (cdr start-event))))) | |
306 | (start-event-window (car (car (cdr start-event)))) | |
307 | (start-nwindows (count-windows t)) | |
308 | (old-selected-window (selected-window)) | |
309 | event mouse x left right edges wconfig growth) | |
310 | (if (one-window-p t) | |
311 | (error "Attempt to resize sole ordinary window")) | |
312 | (if (= (nth 2 (window-edges start-event-window)) | |
313 | (frame-width start-event-frame)) | |
314 | (error "Attempt to drag rightmost scrollbar")) | |
315 | (track-mouse | |
316 | (progn | |
317 | ;; enlarge-window only works on the selected window, so | |
318 | ;; we must select the window where the start event originated. | |
319 | ;; unwind-protect will restore the old selected window later. | |
320 | (select-window start-event-window) | |
321 | ;; loop reading events and sampling the position of | |
322 | ;; the mouse. | |
323 | (while (not done) | |
324 | (setq event (read-event) | |
325 | mouse (mouse-position)) | |
326 | ;; do nothing if | |
327 | ;; - there is a switch-frame event. | |
328 | ;; - the mouse isn't in the frame that we started in | |
329 | ;; - the mouse isn't in any Emacs frame | |
330 | ;; drag if | |
331 | ;; - there is a mouse-movement event | |
332 | ;; - there is a scroll-bar-movement event | |
333 | ;; (same as mouse movement for our purposes) | |
334 | ;; quit if | |
335 | ;; - there is a keyboard event or some other unknown event | |
336 | ;; unknown event. | |
337 | (cond ((integerp event) | |
338 | (setq done t)) | |
339 | ((eq (car event) 'switch-frame) | |
340 | nil) | |
341 | ((not (memq (car event) | |
342 | '(mouse-movement scroll-bar-movement))) | |
343 | (if (consp event) | |
344 | (setq unread-command-events | |
345 | (cons event unread-command-events))) | |
346 | (setq done t)) | |
347 | ((not (eq (car mouse) start-event-frame)) | |
348 | nil) | |
349 | ((null (car (cdr mouse))) | |
350 | nil) | |
351 | (t | |
352 | (setq x (car (cdr mouse)) | |
353 | edges (window-edges) | |
354 | left (nth 0 edges) | |
355 | right (nth 2 edges)) | |
356 | ;; scale back a move that would make the | |
357 | ;; window too thin. | |
358 | (cond ((< (- x left -1) window-min-width) | |
359 | (setq x (+ left window-min-width -1)))) | |
360 | ;; compute size change needed | |
361 | (setq growth (- x right -1) | |
362 | wconfig (current-window-configuration)) | |
363 | (enlarge-window growth t) | |
364 | ;; if this window's growth caused another | |
365 | ;; window to be deleted because it was too | |
366 | ;; thin, rescind the change. | |
367 | ;; | |
368 | ;; if size change caused space to be stolen | |
369 | ;; from a window to the left of this one, | |
370 | ;; rescind the change. | |
371 | (if (or (/= start-nwindows (count-windows t)) | |
372 | (/= left (nth 0 (window-edges)))) | |
373 | (set-window-configuration wconfig))))))))) | |
374 | \f | |
2a5fa27b | 375 | (defun mouse-set-point (event) |
cc0a8174 | 376 | "Move point to the position clicked on with the mouse. |
2a5fa27b | 377 | This should be bound to a mouse click event type." |
ec558adc | 378 | (interactive "e") |
d65147f6 | 379 | (mouse-minibuffer-check event) |
2a5fa27b RS |
380 | ;; Use event-end in case called from mouse-drag-region. |
381 | ;; If EVENT is a click, event-end and event-start give same value. | |
382 | (let ((posn (event-end event))) | |
0a50b993 RS |
383 | (if (not (windowp (posn-window posn))) |
384 | (error "Cursor not in text area of window")) | |
b5370f03 JB |
385 | (select-window (posn-window posn)) |
386 | (if (numberp (posn-point posn)) | |
387 | (goto-char (posn-point posn))))) | |
cc0a8174 | 388 | |
e6c2f5d4 RS |
389 | (defvar mouse-last-region-beg nil) |
390 | (defvar mouse-last-region-end nil) | |
391 | (defvar mouse-last-region-tick nil) | |
392 | ||
393 | (defun mouse-region-match () | |
394 | "Return non-nil if there's an active region that was set with the mouse." | |
395 | (and (mark t) mark-active | |
396 | (eq mouse-last-region-beg (region-beginning)) | |
397 | (eq mouse-last-region-end (region-end)) | |
398 | (eq mouse-last-region-tick (buffer-modified-tick)))) | |
399 | ||
652ccd35 | 400 | (defun mouse-set-region (click) |
e37de120 | 401 | "Set the region to the text dragged over, and copy to kill ring. |
2a5fa27b | 402 | This should be bound to a mouse drag event." |
652ccd35 | 403 | (interactive "e") |
d65147f6 | 404 | (mouse-minibuffer-check click) |
652ccd35 RS |
405 | (let ((posn (event-start click)) |
406 | (end (event-end click))) | |
407 | (select-window (posn-window posn)) | |
408 | (if (numberp (posn-point posn)) | |
409 | (goto-char (posn-point posn))) | |
fcfc3c63 | 410 | ;; If mark is highlighted, no need to bounce the cursor. |
33a35434 KH |
411 | ;; On X, we highlight while dragging, thus once again no need to bounce. |
412 | (or transient-mark-mode | |
b86b9918 | 413 | (memq (framep (selected-frame)) '(x pc w32)) |
fcfc3c63 | 414 | (sit-for 1)) |
652ccd35 | 415 | (push-mark) |
1cc8a3f4 | 416 | (set-mark (point)) |
652ccd35 | 417 | (if (numberp (posn-point end)) |
e37de120 RS |
418 | (goto-char (posn-point end))) |
419 | ;; Don't set this-command to kill-region, so that a following | |
420 | ;; C-w will not double the text in the kill ring. | |
91a6bc10 RS |
421 | ;; Ignore last-command so we don't append to a preceding kill. |
422 | (let (this-command last-command) | |
e6c2f5d4 RS |
423 | (copy-region-as-kill (mark) (point))) |
424 | (mouse-set-region-1))) | |
425 | ||
426 | (defun mouse-set-region-1 () | |
427 | (setq mouse-last-region-beg (region-beginning)) | |
428 | (setq mouse-last-region-end (region-end)) | |
429 | (setq mouse-last-region-tick (buffer-modified-tick))) | |
652ccd35 | 430 | |
3b558d41 | 431 | (defcustom mouse-scroll-delay 0.25 |
600c6e3a JB |
432 | "*The pause between scroll steps caused by mouse drags, in seconds. |
433 | If you drag the mouse beyond the edge of a window, Emacs scrolls the | |
434 | window to bring the text beyond that edge into view, with a delay of | |
435 | this many seconds between scroll steps. Scrolling stops when you move | |
436 | the mouse back into the window, or release the button. | |
437 | This variable's value may be non-integral. | |
3b558d41 RS |
438 | Setting this to zero causes Emacs to scroll as fast as it can." |
439 | :type 'number | |
440 | :group 'mouse) | |
600c6e3a | 441 | |
3b558d41 | 442 | (defcustom mouse-scroll-min-lines 1 |
a3d6bb97 RS |
443 | "*The minimum number of lines scrolled by dragging mouse out of window. |
444 | Moving the mouse out the top or bottom edge of the window begins | |
445 | scrolling repeatedly. The number of lines scrolled per repetition | |
446 | is normally equal to the number of lines beyond the window edge that | |
447 | the mouse has moved. However, it always scrolls at least the number | |
3b558d41 RS |
448 | of lines specified by this variable." |
449 | :type 'integer | |
450 | :group 'mouse) | |
08a1c178 | 451 | |
e919a622 RS |
452 | (defun mouse-scroll-subr (window jump &optional overlay start) |
453 | "Scroll the window WINDOW, JUMP lines at a time, until new input arrives. | |
600c6e3a JB |
454 | If OVERLAY is an overlay, let it stretch from START to the far edge of |
455 | the newly visible text. | |
456 | Upon exit, point is at the far edge of the newly visible text." | |
08a1c178 RS |
457 | (cond |
458 | ((and (> jump 0) (< jump mouse-scroll-min-lines)) | |
459 | (setq jump mouse-scroll-min-lines)) | |
460 | ((and (< jump 0) (< (- jump) mouse-scroll-min-lines)) | |
461 | (setq jump (- mouse-scroll-min-lines)))) | |
4e399a53 RS |
462 | (let ((opoint (point))) |
463 | (while (progn | |
464 | (goto-char (window-start window)) | |
465 | (if (not (zerop (vertical-motion jump window))) | |
466 | (progn | |
467 | (set-window-start window (point)) | |
468 | (if (natnump jump) | |
469 | (progn | |
470 | (goto-char (window-end window)) | |
471 | ;; window-end doesn't reflect the window's new | |
472 | ;; start position until the next redisplay. Hurrah. | |
473 | (vertical-motion (1- jump) window)) | |
474 | (goto-char (window-start window))) | |
475 | (if overlay | |
476 | (move-overlay overlay start (point))) | |
477 | ;; Now that we have scrolled WINDOW properly, | |
478 | ;; put point back where it was for the redisplay | |
479 | ;; so that we don't mess up the selected window. | |
480 | (or (eq window (selected-window)) | |
481 | (goto-char opoint)) | |
d2287ded | 482 | (sit-for mouse-scroll-delay))))) |
4e399a53 RS |
483 | (or (eq window (selected-window)) |
484 | (goto-char opoint)))) | |
fcfc3c63 | 485 | |
dc269e81 | 486 | ;; Create an overlay and immediately delete it, to get "overlay in no buffer". |
600c6e3a | 487 | (defvar mouse-drag-overlay (make-overlay 1 1)) |
dc269e81 | 488 | (delete-overlay mouse-drag-overlay) |
600c6e3a JB |
489 | (overlay-put mouse-drag-overlay 'face 'region) |
490 | ||
dd524dbd | 491 | (defvar mouse-selection-click-count 0) |
eb6ff46f | 492 | |
c8c5bd24 RS |
493 | (defvar mouse-selection-click-count-buffer nil) |
494 | ||
600c6e3a | 495 | (defun mouse-drag-region (start-event) |
bcd5aef1 | 496 | "Set the region to the text that the mouse is dragged over. |
78210c95 RS |
497 | Highlight the drag area as you move the mouse. |
498 | This must be bound to a button-down mouse event. | |
d017deb2 RS |
499 | In Transient Mark mode, the highlighting remains as long as the mark |
500 | remains active. Otherwise, it remains until the next input event." | |
bcd5aef1 | 501 | (interactive "e") |
d65147f6 | 502 | (mouse-minibuffer-check start-event) |
4c9afcbe RS |
503 | (let* ((echo-keystrokes 0) |
504 | (start-posn (event-start start-event)) | |
600c6e3a JB |
505 | (start-point (posn-point start-posn)) |
506 | (start-window (posn-window start-posn)) | |
b846d039 | 507 | (start-frame (window-frame start-window)) |
600c6e3a JB |
508 | (bounds (window-edges start-window)) |
509 | (top (nth 1 bounds)) | |
510 | (bottom (if (window-minibuffer-p start-window) | |
511 | (nth 3 bounds) | |
512 | ;; Don't count the mode line. | |
e37de120 RS |
513 | (1- (nth 3 bounds)))) |
514 | (click-count (1- (event-click-count start-event)))) | |
eb6ff46f | 515 | (setq mouse-selection-click-count click-count) |
c8c5bd24 | 516 | (setq mouse-selection-click-count-buffer (current-buffer)) |
b80f1928 | 517 | (mouse-set-point start-event) |
08a1c178 RS |
518 | ;; In case the down click is in the middle of some intangible text, |
519 | ;; use the end of that text, and put it in START-POINT. | |
520 | (if (< (point) start-point) | |
521 | (goto-char start-point)) | |
522 | (setq start-point (point)) | |
e37de120 RS |
523 | (let ((range (mouse-start-end start-point start-point click-count))) |
524 | (move-overlay mouse-drag-overlay (car range) (nth 1 range) | |
525 | (window-buffer start-window))) | |
f767385c | 526 | (deactivate-mark) |
08a1c178 RS |
527 | ;; end-of-range is used only in the single-click case. |
528 | ;; It is the place where the drag has reached so far | |
529 | ;; (but not outside the window where the drag started). | |
d5c847bb | 530 | (let (event end end-point last-end-point (end-of-range (point))) |
bcd5aef1 | 531 | (track-mouse |
600c6e3a | 532 | (while (progn |
b846d039 JB |
533 | (setq event (read-event)) |
534 | (or (mouse-movement-p event) | |
535 | (eq (car-safe event) 'switch-frame))) | |
b846d039 JB |
536 | (if (eq (car-safe event) 'switch-frame) |
537 | nil | |
538 | (setq end (event-end event) | |
539 | end-point (posn-point end)) | |
3617aa76 | 540 | (if (numberp end-point) |
d5c847bb | 541 | (setq last-end-point end-point)) |
b846d039 JB |
542 | |
543 | (cond | |
b846d039 JB |
544 | ;; Are we moving within the original window? |
545 | ((and (eq (posn-window end) start-window) | |
546 | (integer-or-marker-p end-point)) | |
08a1c178 RS |
547 | ;; Go to START-POINT first, so that when we move to END-POINT, |
548 | ;; if it's in the middle of intangible text, | |
549 | ;; point jumps in the direction away from START-POINT. | |
550 | (goto-char start-point) | |
b846d039 | 551 | (goto-char end-point) |
08a1c178 RS |
552 | (if (zerop (% click-count 3)) |
553 | (setq end-of-range (point))) | |
e37de120 RS |
554 | (let ((range (mouse-start-end start-point (point) click-count))) |
555 | (move-overlay mouse-drag-overlay (car range) (nth 1 range)))) | |
b846d039 | 556 | |
50e527bc KH |
557 | (t |
558 | (let ((mouse-row (cdr (cdr (mouse-position))))) | |
b846d039 | 559 | (cond |
50e527bc | 560 | ((null mouse-row)) |
b846d039 | 561 | ((< mouse-row top) |
e919a622 | 562 | (mouse-scroll-subr start-window (- mouse-row top) |
f9278a75 RS |
563 | mouse-drag-overlay start-point) |
564 | ;; Without this, point tends to jump back to the starting | |
565 | ;; position where the mouse button was pressed down. | |
566 | (setq end-of-range (overlay-start mouse-drag-overlay))) | |
d2287ded | 567 | ((>= mouse-row bottom) |
e919a622 | 568 | (mouse-scroll-subr start-window (1+ (- mouse-row bottom)) |
f9278a75 RS |
569 | mouse-drag-overlay start-point) |
570 | (setq end-of-range (overlay-end mouse-drag-overlay)))))))))) | |
4e399a53 | 571 | (if (consp event) |
e37de120 | 572 | (let ((fun (key-binding (vector (car event))))) |
bfbcf12e RS |
573 | ;; Run the binding of the terminating up-event, if possible. |
574 | ;; In the case of a multiple click, it gives the wrong results, | |
575 | ;; because it would fail to set up a region. | |
bb3aa835 RS |
576 | (if (not (= (overlay-start mouse-drag-overlay) |
577 | (overlay-end mouse-drag-overlay))) | |
578 | (let* ((stop-point | |
579 | (if (numberp (posn-point (event-end event))) | |
580 | (posn-point (event-end event)) | |
581 | last-end-point)) | |
582 | ;; The end that comes from where we ended the drag. | |
583 | ;; Point goes here. | |
584 | (region-termination | |
585 | (if (and stop-point (< stop-point start-point)) | |
586 | (overlay-start mouse-drag-overlay) | |
44dc5252 | 587 | (overlay-end mouse-drag-overlay))) |
bb3aa835 RS |
588 | ;; The end that comes from where we started the drag. |
589 | ;; Mark goes there. | |
590 | (region-commencement | |
591 | (- (+ (overlay-end mouse-drag-overlay) | |
592 | (overlay-start mouse-drag-overlay)) | |
593 | region-termination)) | |
594 | last-command this-command) | |
595 | (push-mark region-commencement t t) | |
596 | (goto-char region-termination) | |
597 | (copy-region-as-kill (point) (mark t)) | |
598 | (let ((buffer (current-buffer))) | |
599 | (mouse-show-mark) | |
600 | ;; mouse-show-mark can call read-event, | |
601 | ;; and that means the Emacs server could switch buffers | |
602 | ;; under us. If that happened, | |
603 | ;; avoid trying to use the region. | |
604 | (and (mark t) mark-active | |
605 | (eq buffer (current-buffer)) | |
606 | (mouse-set-region-1)))) | |
607 | (delete-overlay mouse-drag-overlay) | |
608 | ;; Run the binding of the terminating up-event. | |
609 | (if (fboundp fun) | |
610 | (setq unread-command-events | |
611 | (cons event unread-command-events))))) | |
e6c2f5d4 | 612 | (delete-overlay mouse-drag-overlay))))) |
e37de120 RS |
613 | \f |
614 | ;; Commands to handle xterm-style multiple clicks. | |
600c6e3a | 615 | |
e37de120 RS |
616 | (defun mouse-skip-word (dir) |
617 | "Skip over word, over whitespace, or over identical punctuation. | |
618 | If DIR is positive skip forward; if negative, skip backward." | |
619 | (let* ((char (following-char)) | |
620 | (syntax (char-to-string (char-syntax char)))) | |
08a1c178 RS |
621 | (cond ((or (string= syntax "w") (string= syntax " ")) |
622 | (if (< dir 0) | |
623 | (skip-syntax-backward syntax) | |
624 | (skip-syntax-forward syntax))) | |
625 | ((string= syntax "_") | |
626 | (if (< dir 0) | |
627 | (skip-syntax-backward "w_") | |
628 | (skip-syntax-forward "w_"))) | |
629 | ((< dir 0) | |
630 | (while (and (not (bobp)) (= (preceding-char) char)) | |
631 | (forward-char -1))) | |
632 | (t | |
633 | (while (and (not (eobp)) (= (following-char) char)) | |
634 | (forward-char 1)))))) | |
e37de120 RS |
635 | |
636 | ;; Return a list of region bounds based on START and END according to MODE. | |
637 | ;; If MODE is 0 then set point to (min START END), mark to (max START END). | |
638 | ;; If MODE is 1 then set point to start of word at (min START END), | |
639 | ;; mark to end of word at (max START END). | |
640 | ;; If MODE is 2 then do the same for lines. | |
eb6ff46f | 641 | (defun mouse-start-end (start end mode) |
e37de120 RS |
642 | (if (> start end) |
643 | (let ((temp start)) | |
644 | (setq start end | |
645 | end temp))) | |
9a974c88 | 646 | (setq mode (mod mode 3)) |
e37de120 RS |
647 | (cond ((= mode 0) |
648 | (list start end)) | |
649 | ((and (= mode 1) | |
650 | (= start end) | |
1ec71583 | 651 | (char-after start) |
e37de120 | 652 | (= (char-syntax (char-after start)) ?\()) |
6f482eec RS |
653 | (list start |
654 | (save-excursion | |
655 | (goto-char start) | |
656 | (forward-sexp 1) | |
657 | (point)))) | |
e37de120 RS |
658 | ((and (= mode 1) |
659 | (= start end) | |
1ec71583 | 660 | (char-after start) |
e37de120 RS |
661 | (= (char-syntax (char-after start)) ?\))) |
662 | (list (save-excursion | |
663 | (goto-char (1+ start)) | |
d89a4a47 RS |
664 | (backward-sexp 1) |
665 | (point)) | |
e37de120 | 666 | (1+ start))) |
53770877 RS |
667 | ((and (= mode 1) |
668 | (= start end) | |
669 | (char-after start) | |
670 | (= (char-syntax (char-after start)) ?\")) | |
671 | (let ((open (or (eq start (point-min)) | |
672 | (save-excursion | |
673 | (goto-char (- start 1)) | |
674 | (looking-at "\\s(\\|\\s \\|\\s>"))))) | |
675 | (if open | |
676 | (list start | |
677 | (save-excursion | |
678 | (condition-case nil | |
679 | (progn | |
680 | (goto-char start) | |
681 | (forward-sexp 1) | |
682 | (point)) | |
683 | (error end)))) | |
f1017d55 | 684 | (list (save-excursion |
53770877 RS |
685 | (condition-case nil |
686 | (progn | |
687 | (goto-char (1+ start)) | |
688 | (backward-sexp 1) | |
689 | (point)) | |
f1017d55 RS |
690 | (error end))) |
691 | (1+ start))))) | |
e37de120 RS |
692 | ((= mode 1) |
693 | (list (save-excursion | |
694 | (goto-char start) | |
695 | (mouse-skip-word -1) | |
696 | (point)) | |
697 | (save-excursion | |
698 | (goto-char end) | |
699 | (mouse-skip-word 1) | |
700 | (point)))) | |
701 | ((= mode 2) | |
702 | (list (save-excursion | |
703 | (goto-char start) | |
704 | (beginning-of-line 1) | |
705 | (point)) | |
706 | (save-excursion | |
707 | (goto-char end) | |
708 | (forward-line 1) | |
709 | (point)))))) | |
e66feb07 | 710 | \f |
3f26b32a RS |
711 | ;; Subroutine: set the mark where CLICK happened, |
712 | ;; but don't do anything else. | |
713 | (defun mouse-set-mark-fast (click) | |
d65147f6 | 714 | (mouse-minibuffer-check click) |
3f26b32a RS |
715 | (let ((posn (event-start click))) |
716 | (select-window (posn-window posn)) | |
717 | (if (numberp (posn-point posn)) | |
718 | (push-mark (posn-point posn) t t)))) | |
719 | ||
98aac09d MB |
720 | (defun mouse-undouble-last-event (events) |
721 | (let* ((index (1- (length events))) | |
722 | (last (nthcdr index events)) | |
723 | (event (car last)) | |
724 | (basic (event-basic-type event)) | |
397a88f3 RS |
725 | (old-modifiers (event-modifiers event)) |
726 | (modifiers (delq 'double (delq 'triple (copy-sequence old-modifiers)))) | |
98aac09d MB |
727 | (new |
728 | (if (consp event) | |
7132500b RS |
729 | ;; Use reverse, not nreverse, since event-modifiers |
730 | ;; does not copy the list it returns. | |
3bb846b8 | 731 | (cons (event-convert-list (reverse (cons basic modifiers))) |
98aac09d MB |
732 | (cdr event)) |
733 | event))) | |
734 | (setcar last new) | |
397a88f3 RS |
735 | (if (and (not (equal modifiers old-modifiers)) |
736 | (key-binding (apply 'vector events))) | |
98aac09d MB |
737 | t |
738 | (setcar last event) | |
739 | nil))) | |
740 | ||
3f26b32a | 741 | ;; Momentarily show where the mark is, if highlighting doesn't show it. |
7aeb7370 RS |
742 | |
743 | (defvar mouse-region-delete-keys '([delete]) | |
744 | "List of keys which shall cause the mouse region to be deleted.") | |
745 | ||
3f26b32a | 746 | (defun mouse-show-mark () |
98aac09d | 747 | (if transient-mark-mode |
c8f264ae | 748 | (if window-system |
98aac09d MB |
749 | (delete-overlay mouse-drag-overlay)) |
750 | (if window-system | |
751 | (let ((inhibit-quit t) | |
752 | (echo-keystrokes 0) | |
33d79bad RS |
753 | event events key ignore |
754 | x-lost-selection-hooks) | |
755 | (add-hook 'x-lost-selection-hooks | |
756 | '(lambda (seltype) | |
757 | (if (eq seltype 'PRIMARY) | |
758 | (progn (setq ignore t) | |
759 | (throw 'mouse-show-mark t))))) | |
98aac09d | 760 | (move-overlay mouse-drag-overlay (point) (mark t)) |
33d79bad | 761 | (catch 'mouse-show-mark |
4e2aade1 RS |
762 | ;; In this loop, execute scroll bar and switch-frame events. |
763 | ;; Also ignore down-events that are undefined. | |
33d79bad RS |
764 | (while (progn (setq event (read-event)) |
765 | (setq events (append events (list event))) | |
766 | (setq key (apply 'vector events)) | |
397a88f3 | 767 | (or (and (consp event) |
4e2aade1 RS |
768 | (eq (car event) 'switch-frame)) |
769 | (and (consp event) | |
397a88f3 RS |
770 | (eq (posn-point (event-end event)) |
771 | 'vertical-scroll-bar)) | |
772 | (and (memq 'down (event-modifiers event)) | |
773 | (not (key-binding key)) | |
774 | (not (mouse-undouble-last-event events)) | |
775 | (not (member key mouse-region-delete-keys))))) | |
776 | (and (consp event) | |
4e2aade1 RS |
777 | (or (eq (car event) 'switch-frame) |
778 | (eq (posn-point (event-end event)) | |
779 | 'vertical-scroll-bar)) | |
397a88f3 RS |
780 | (let ((keys (vector 'vertical-scroll-bar event))) |
781 | (and (key-binding keys) | |
782 | (progn | |
783 | (call-interactively (key-binding keys) | |
784 | nil keys) | |
785 | (setq events nil))))))) | |
33d79bad RS |
786 | ;; If we lost the selection, just turn off the highlighting. |
787 | (if ignore | |
788 | nil | |
789 | ;; For certain special keys, delete the region. | |
790 | (if (member key mouse-region-delete-keys) | |
791 | (delete-region (overlay-start mouse-drag-overlay) | |
792 | (overlay-end mouse-drag-overlay)) | |
793 | ;; Otherwise, unread the key so it gets executed normally. | |
794 | (setq unread-command-events | |
795 | (nconc events unread-command-events)))) | |
98aac09d MB |
796 | (setq quit-flag nil) |
797 | (delete-overlay mouse-drag-overlay)) | |
798 | (save-excursion | |
799 | (goto-char (mark t)) | |
800 | (sit-for 1))))) | |
3f26b32a | 801 | |
cc0a8174 JB |
802 | (defun mouse-set-mark (click) |
803 | "Set mark at the position clicked on with the mouse. | |
804 | Display cursor at that position for a second. | |
805 | This must be bound to a mouse click." | |
ec558adc | 806 | (interactive "e") |
f598fb03 RS |
807 | (mouse-minibuffer-check click) |
808 | (select-window (posn-window (event-start click))) | |
809 | ;; We don't use save-excursion because that preserves the mark too. | |
72ea54a4 RS |
810 | (let ((point-save (point))) |
811 | (unwind-protect | |
cc0a8174 | 812 | (progn (mouse-set-point click) |
897897e3 RS |
813 | (push-mark nil t t) |
814 | (or transient-mark-mode | |
815 | (sit-for 1))) | |
72ea54a4 RS |
816 | (goto-char point-save)))) |
817 | ||
cc0a8174 JB |
818 | (defun mouse-kill (click) |
819 | "Kill the region between point and the mouse click. | |
820 | The text is saved in the kill ring, as with \\[kill-region]." | |
ec558adc | 821 | (interactive "e") |
d65147f6 | 822 | (mouse-minibuffer-check click) |
142c7672 KH |
823 | (let* ((posn (event-start click)) |
824 | (click-posn (posn-point posn))) | |
825 | (select-window (posn-window posn)) | |
bd307392 JB |
826 | (if (numberp click-posn) |
827 | (kill-region (min (point) click-posn) | |
828 | (max (point) click-posn))))) | |
72ea54a4 | 829 | |
87ef29fd JB |
830 | (defun mouse-yank-at-click (click arg) |
831 | "Insert the last stretch of killed text at the position clicked on. | |
50f58001 RS |
832 | Also move point to one end of the text thus inserted (normally the end). |
833 | Prefix arguments are interpreted as with \\[yank]. | |
834 | If `mouse-yank-at-point' is non-nil, insert at point | |
835 | regardless of where you click." | |
ec558adc | 836 | (interactive "e\nP") |
33c448cd RS |
837 | ;; Give temporary modes such as isearch a chance to turn off. |
838 | (run-hooks 'mouse-leave-buffer-hook) | |
50f58001 | 839 | (or mouse-yank-at-point (mouse-set-point click)) |
d89a4a47 | 840 | (setq this-command 'yank) |
a814e9df | 841 | (setq mouse-selection-click-count 0) |
87ef29fd JB |
842 | (yank arg)) |
843 | ||
844 | (defun mouse-kill-ring-save (click) | |
cc0a8174 JB |
845 | "Copy the region between point and the mouse click in the kill ring. |
846 | This does not delete the region; it acts like \\[kill-ring-save]." | |
ec558adc | 847 | (interactive "e") |
3f26b32a | 848 | (mouse-set-mark-fast click) |
6452d8a6 RS |
849 | (let (this-command last-command) |
850 | (kill-ring-save (point) (mark t))) | |
3f26b32a | 851 | (mouse-show-mark)) |
72ea54a4 | 852 | |
dbc4e1c1 JB |
853 | ;;; This function used to delete the text between point and the mouse |
854 | ;;; whenever it was equal to the front of the kill ring, but some | |
855 | ;;; people found that confusing. | |
856 | ||
857 | ;;; A list (TEXT START END), describing the text and position of the last | |
858 | ;;; invocation of mouse-save-then-kill. | |
859 | (defvar mouse-save-then-kill-posn nil) | |
860 | ||
26d280b9 | 861 | (defun mouse-save-then-kill-delete-region (beg end) |
9a974c88 RS |
862 | ;; We must make our own undo boundaries |
863 | ;; because they happen automatically only for the current buffer. | |
864 | (undo-boundary) | |
dd524dbd RS |
865 | (if (or (= beg end) (eq buffer-undo-list t)) |
866 | ;; If we have no undo list in this buffer, | |
867 | ;; just delete. | |
868 | (delete-region beg end) | |
869 | ;; Delete, but make the undo-list entry share with the kill ring. | |
870 | ;; First, delete just one char, so in case buffer is being modified | |
871 | ;; for the first time, the undo list records that fact. | |
2f4b15ef RS |
872 | (let (before-change-function after-change-function |
873 | before-change-functions after-change-functions) | |
874 | (delete-region beg | |
875 | (+ beg (if (> end beg) 1 -1)))) | |
dd524dbd RS |
876 | (let ((buffer-undo-list buffer-undo-list)) |
877 | ;; Undo that deletion--but don't change the undo list! | |
2f4b15ef RS |
878 | (let (before-change-function after-change-function |
879 | before-change-functions after-change-functions) | |
880 | (primitive-undo 1 buffer-undo-list)) | |
dd524dbd RS |
881 | ;; Now delete the rest of the specified region, |
882 | ;; but don't record it. | |
883 | (setq buffer-undo-list t) | |
9a974c88 RS |
884 | (if (/= (length (car kill-ring)) (- (max end beg) (min end beg))) |
885 | (error "Lossage in mouse-save-then-kill-delete-region")) | |
dd524dbd RS |
886 | (delete-region beg end)) |
887 | (let ((tail buffer-undo-list)) | |
888 | ;; Search back in buffer-undo-list for the string | |
889 | ;; that came from deleting one character. | |
890 | (while (and tail (not (stringp (car (car tail))))) | |
891 | (setq tail (cdr tail))) | |
892 | ;; Replace it with an entry for the entire deleted text. | |
893 | (and tail | |
9a974c88 RS |
894 | (setcar tail (cons (car kill-ring) (min beg end)))))) |
895 | (undo-boundary)) | |
eb6ff46f | 896 | |
947da0c4 | 897 | (defun mouse-save-then-kill (click) |
40a45a9f RS |
898 | "Save text to point in kill ring; the second time, kill the text. |
899 | If the text between point and the mouse is the same as what's | |
900 | at the front of the kill ring, this deletes the text. | |
901 | Otherwise, it adds the text to the kill ring, like \\[kill-ring-save], | |
eb6ff46f RS |
902 | which prepares for a second click to delete the text. |
903 | ||
904 | If you have selected words or lines, this command extends the | |
905 | selection through the word or line clicked on. If you do this | |
906 | again in a different position, it extends the selection again. | |
907 | If you do this twice in the same position, the selection is killed." | |
947da0c4 | 908 | (interactive "e") |
b64548c7 RS |
909 | (let ((before-scroll point-before-scroll)) |
910 | (mouse-minibuffer-check click) | |
911 | (let ((click-posn (posn-point (event-start click))) | |
912 | ;; Don't let a subsequent kill command append to this one: | |
913 | ;; prevent setting this-command to kill-region. | |
914 | (this-command this-command)) | |
c8c5bd24 RS |
915 | (if (and (save-excursion |
916 | (set-buffer (window-buffer (posn-window (event-start click)))) | |
917 | (and (mark t) (> (mod mouse-selection-click-count 3) 0) | |
918 | ;; Don't be fooled by a recent click in some other buffer. | |
919 | (eq mouse-selection-click-count-buffer | |
920 | (current-buffer))))) | |
b64548c7 RS |
921 | (if (not (and (eq last-command 'mouse-save-then-kill) |
922 | (equal click-posn | |
923 | (car (cdr-safe (cdr-safe mouse-save-then-kill-posn)))))) | |
924 | ;; Find both ends of the object selected by this click. | |
925 | (let* ((range | |
926 | (mouse-start-end click-posn click-posn | |
927 | mouse-selection-click-count))) | |
928 | ;; Move whichever end is closer to the click. | |
929 | ;; That's what xterm does, and it seems reasonable. | |
930 | (if (< (abs (- click-posn (mark t))) | |
931 | (abs (- click-posn (point)))) | |
932 | (set-mark (car range)) | |
933 | (goto-char (nth 1 range))) | |
934 | ;; We have already put the old region in the kill ring. | |
935 | ;; Replace it with the extended region. | |
936 | ;; (It would be annoying to make a separate entry.) | |
937 | (kill-new (buffer-substring (point) (mark t)) t) | |
e6c2f5d4 | 938 | (mouse-set-region-1) |
b64548c7 RS |
939 | ;; Arrange for a repeated mouse-3 to kill this region. |
940 | (setq mouse-save-then-kill-posn | |
941 | (list (car kill-ring) (point) click-posn)) | |
942 | (mouse-show-mark)) | |
943 | ;; If we click this button again without moving it, | |
944 | ;; that time kill. | |
bcde3748 | 945 | (mouse-save-then-kill-delete-region (mark) (point)) |
b64548c7 | 946 | (setq mouse-selection-click-count 0) |
dd524dbd | 947 | (setq mouse-save-then-kill-posn nil)) |
b64548c7 RS |
948 | (if (and (eq last-command 'mouse-save-then-kill) |
949 | mouse-save-then-kill-posn | |
950 | (eq (car mouse-save-then-kill-posn) (car kill-ring)) | |
951 | (equal (cdr mouse-save-then-kill-posn) (list (point) click-posn))) | |
952 | ;; If this is the second time we've called | |
953 | ;; mouse-save-then-kill, delete the text from the buffer. | |
954 | (progn | |
955 | (mouse-save-then-kill-delete-region (point) (mark)) | |
956 | ;; After we kill, another click counts as "the first time". | |
957 | (setq mouse-save-then-kill-posn nil)) | |
c8f264ae RS |
958 | ;; This is not a repetition. |
959 | ;; We are adjusting an old selection or creating a new one. | |
b64548c7 RS |
960 | (if (or (and (eq last-command 'mouse-save-then-kill) |
961 | mouse-save-then-kill-posn) | |
962 | (and mark-active transient-mark-mode) | |
963 | (and (memq last-command | |
964 | '(mouse-drag-region mouse-set-region)) | |
965 | (or mark-even-if-inactive | |
966 | (not transient-mark-mode)))) | |
967 | ;; We have a selection or suitable region, so adjust it. | |
968 | (let* ((posn (event-start click)) | |
969 | (new (posn-point posn))) | |
970 | (select-window (posn-window posn)) | |
971 | (if (numberp new) | |
972 | (progn | |
973 | ;; Move whichever end of the region is closer to the click. | |
974 | ;; That is what xterm does, and it seems reasonable. | |
975 | (if (< (abs (- new (point))) (abs (- new (mark t)))) | |
976 | (goto-char new) | |
977 | (set-mark new)) | |
978 | (setq deactivate-mark nil))) | |
bcde3748 RS |
979 | (kill-new (buffer-substring (point) (mark t)) t) |
980 | (mouse-show-mark)) | |
b64548c7 RS |
981 | ;; Set the mark where point is, then move where clicked. |
982 | (mouse-set-mark-fast click) | |
983 | (if before-scroll | |
984 | (goto-char before-scroll)) | |
985 | (exchange-point-and-mark) | |
c8f264ae RS |
986 | (kill-new (buffer-substring (point) (mark t))) |
987 | (if window-system | |
988 | (mouse-show-mark))) | |
e6c2f5d4 | 989 | (mouse-set-region-1) |
b64548c7 RS |
990 | (setq mouse-save-then-kill-posn |
991 | (list (car kill-ring) (point) click-posn))))))) | |
e66feb07 RS |
992 | \f |
993 | (global-set-key [M-mouse-1] 'mouse-start-secondary) | |
994 | (global-set-key [M-drag-mouse-1] 'mouse-set-secondary) | |
995 | (global-set-key [M-down-mouse-1] 'mouse-drag-secondary) | |
996 | (global-set-key [M-mouse-3] 'mouse-secondary-save-then-kill) | |
9a974c88 | 997 | (global-set-key [M-mouse-2] 'mouse-yank-secondary) |
e66feb07 RS |
998 | |
999 | ;; An overlay which records the current secondary selection | |
1000 | ;; or else is deleted when there is no secondary selection. | |
1001 | ;; May be nil. | |
1002 | (defvar mouse-secondary-overlay nil) | |
1003 | ||
a94c7fcc RS |
1004 | (defvar mouse-secondary-click-count 0) |
1005 | ||
e66feb07 RS |
1006 | ;; A marker which records the specified first end for a secondary selection. |
1007 | ;; May be nil. | |
1008 | (defvar mouse-secondary-start nil) | |
1009 | ||
1010 | (defun mouse-start-secondary (click) | |
1011 | "Set one end of the secondary selection to the position clicked on. | |
1012 | Use \\[mouse-secondary-save-then-kill] to set the other end | |
1013 | and complete the secondary selection." | |
1014 | (interactive "e") | |
d65147f6 | 1015 | (mouse-minibuffer-check click) |
e66feb07 | 1016 | (let ((posn (event-start click))) |
230aaa73 RS |
1017 | (save-excursion |
1018 | (set-buffer (window-buffer (posn-window posn))) | |
1019 | ;; Cancel any preexisting secondary selection. | |
1020 | (if mouse-secondary-overlay | |
1021 | (delete-overlay mouse-secondary-overlay)) | |
1022 | (if (numberp (posn-point posn)) | |
1023 | (progn | |
1024 | (or mouse-secondary-start | |
1025 | (setq mouse-secondary-start (make-marker))) | |
1026 | (move-marker mouse-secondary-start (posn-point posn))))))) | |
e66feb07 RS |
1027 | |
1028 | (defun mouse-set-secondary (click) | |
1029 | "Set the secondary selection to the text that the mouse is dragged over. | |
1030 | This must be bound to a mouse drag event." | |
1031 | (interactive "e") | |
d65147f6 | 1032 | (mouse-minibuffer-check click) |
e66feb07 RS |
1033 | (let ((posn (event-start click)) |
1034 | beg | |
1035 | (end (event-end click))) | |
230aaa73 RS |
1036 | (save-excursion |
1037 | (set-buffer (window-buffer (posn-window posn))) | |
1038 | (if (numberp (posn-point posn)) | |
1039 | (setq beg (posn-point posn))) | |
1040 | (if mouse-secondary-overlay | |
1041 | (move-overlay mouse-secondary-overlay beg (posn-point end)) | |
1042 | (setq mouse-secondary-overlay (make-overlay beg (posn-point end)))) | |
1043 | (overlay-put mouse-secondary-overlay 'face 'secondary-selection)))) | |
947da0c4 | 1044 | |
d89a4a47 | 1045 | (defun mouse-drag-secondary (start-event) |
e66feb07 | 1046 | "Set the secondary selection to the text that the mouse is dragged over. |
d89a4a47 | 1047 | Highlight the drag area as you move the mouse. |
efc10c97 RS |
1048 | This must be bound to a button-down mouse event. |
1049 | The function returns a non-nil value if it creates a secondary selection." | |
e66feb07 | 1050 | (interactive "e") |
d65147f6 | 1051 | (mouse-minibuffer-check start-event) |
4c9afcbe RS |
1052 | (let* ((echo-keystrokes 0) |
1053 | (start-posn (event-start start-event)) | |
d89a4a47 RS |
1054 | (start-point (posn-point start-posn)) |
1055 | (start-window (posn-window start-posn)) | |
1056 | (start-frame (window-frame start-window)) | |
1057 | (bounds (window-edges start-window)) | |
1058 | (top (nth 1 bounds)) | |
1059 | (bottom (if (window-minibuffer-p start-window) | |
1060 | (nth 3 bounds) | |
1061 | ;; Don't count the mode line. | |
1062 | (1- (nth 3 bounds)))) | |
1063 | (click-count (1- (event-click-count start-event)))) | |
1064 | (save-excursion | |
1065 | (set-buffer (window-buffer start-window)) | |
a94c7fcc | 1066 | (setq mouse-secondary-click-count click-count) |
d89a4a47 RS |
1067 | (or mouse-secondary-overlay |
1068 | (setq mouse-secondary-overlay | |
1069 | (make-overlay (point) (point)))) | |
26d280b9 | 1070 | (overlay-put mouse-secondary-overlay 'face 'secondary-selection) |
9a974c88 | 1071 | (if (> (mod click-count 3) 0) |
26d280b9 RS |
1072 | ;; Double or triple press: make an initial selection |
1073 | ;; of one word or line. | |
d89a4a47 RS |
1074 | (let ((range (mouse-start-end start-point start-point click-count))) |
1075 | (set-marker mouse-secondary-start nil) | |
1076 | (move-overlay mouse-secondary-overlay 1 1 | |
1077 | (window-buffer start-window)) | |
1078 | (move-overlay mouse-secondary-overlay (car range) (nth 1 range) | |
1079 | (window-buffer start-window))) | |
26d280b9 | 1080 | ;; Single-press: cancel any preexisting secondary selection. |
d89a4a47 RS |
1081 | (or mouse-secondary-start |
1082 | (setq mouse-secondary-start (make-marker))) | |
1083 | (set-marker mouse-secondary-start start-point) | |
1084 | (delete-overlay mouse-secondary-overlay)) | |
1085 | (let (event end end-point) | |
1086 | (track-mouse | |
1087 | (while (progn | |
1088 | (setq event (read-event)) | |
1089 | (or (mouse-movement-p event) | |
1090 | (eq (car-safe event) 'switch-frame))) | |
1091 | ||
1092 | (if (eq (car-safe event) 'switch-frame) | |
1093 | nil | |
1094 | (setq end (event-end event) | |
1095 | end-point (posn-point end)) | |
1096 | (cond | |
d89a4a47 RS |
1097 | ;; Are we moving within the original window? |
1098 | ((and (eq (posn-window end) start-window) | |
1099 | (integer-or-marker-p end-point)) | |
d89a4a47 RS |
1100 | (let ((range (mouse-start-end start-point end-point |
1101 | click-count))) | |
0136e1e3 RS |
1102 | (if (or (/= start-point end-point) |
1103 | (null (marker-position mouse-secondary-start))) | |
1104 | (progn | |
1105 | (set-marker mouse-secondary-start nil) | |
1106 | (move-overlay mouse-secondary-overlay | |
1107 | (car range) (nth 1 range)))))) | |
3b0aebe9 RS |
1108 | (t |
1109 | (let ((mouse-row (cdr (cdr (mouse-position))))) | |
1110 | (cond | |
1111 | ((null mouse-row)) | |
1112 | ((< mouse-row top) | |
e919a622 RS |
1113 | (mouse-scroll-subr start-window (- mouse-row top) |
1114 | mouse-secondary-overlay start-point)) | |
d2287ded | 1115 | ((>= mouse-row bottom) |
e919a622 | 1116 | (mouse-scroll-subr start-window (1+ (- mouse-row bottom)) |
3b0aebe9 | 1117 | mouse-secondary-overlay start-point))))))))) |
d89a4a47 | 1118 | |
4e399a53 | 1119 | (if (consp event) |
d89a4a47 RS |
1120 | (if (marker-position mouse-secondary-start) |
1121 | (save-window-excursion | |
1122 | (delete-overlay mouse-secondary-overlay) | |
9a974c88 | 1123 | (x-set-selection 'SECONDARY nil) |
d89a4a47 RS |
1124 | (select-window start-window) |
1125 | (save-excursion | |
1126 | (goto-char mouse-secondary-start) | |
efc10c97 RS |
1127 | (sit-for 1) |
1128 | nil)) | |
9a974c88 RS |
1129 | (x-set-selection |
1130 | 'SECONDARY | |
1131 | (buffer-substring (overlay-start mouse-secondary-overlay) | |
1132 | (overlay-end mouse-secondary-overlay))))))))) | |
e66feb07 | 1133 | |
9a974c88 | 1134 | (defun mouse-yank-secondary (click) |
50f58001 RS |
1135 | "Insert the secondary selection at the position clicked on. |
1136 | Move point to the end of the inserted text. | |
1137 | If `mouse-yank-at-point' is non-nil, insert at point | |
1138 | regardless of where you click." | |
9a974c88 | 1139 | (interactive "e") |
33c448cd RS |
1140 | ;; Give temporary modes such as isearch a chance to turn off. |
1141 | (run-hooks 'mouse-leave-buffer-hook) | |
50f58001 RS |
1142 | (or mouse-yank-at-point (mouse-set-point click)) |
1143 | (insert (x-get-selection 'SECONDARY))) | |
9a974c88 | 1144 | |
7e6404f6 | 1145 | (defun mouse-kill-secondary () |
9a974c88 RS |
1146 | "Kill the text in the secondary selection. |
1147 | This is intended more as a keyboard command than as a mouse command | |
1148 | but it can work as either one. | |
1149 | ||
1150 | The current buffer (in case of keyboard use), or the buffer clicked on, | |
1151 | must be the one that the secondary selection is in. This requirement | |
1152 | is to prevent accidents." | |
7e6404f6 RS |
1153 | (interactive) |
1154 | (let* ((keys (this-command-keys)) | |
1155 | (click (elt keys (1- (length keys))))) | |
1156 | (or (eq (overlay-buffer mouse-secondary-overlay) | |
1157 | (if (listp click) | |
1158 | (window-buffer (posn-window (event-start click))) | |
1159 | (current-buffer))) | |
1160 | (error "Select or click on the buffer where the secondary selection is"))) | |
9dfab550 RS |
1161 | (let (this-command) |
1162 | (save-excursion | |
1163 | (set-buffer (overlay-buffer mouse-secondary-overlay)) | |
1164 | (kill-region (overlay-start mouse-secondary-overlay) | |
1165 | (overlay-end mouse-secondary-overlay)))) | |
e66feb07 | 1166 | (delete-overlay mouse-secondary-overlay) |
9dfab550 | 1167 | ;;; (x-set-selection 'SECONDARY nil) |
e66feb07 RS |
1168 | (setq mouse-secondary-overlay nil)) |
1169 | ||
1170 | (defun mouse-secondary-save-then-kill (click) | |
d89a4a47 | 1171 | "Save text to point in kill ring; the second time, kill the text. |
7bbe2cc7 RS |
1172 | You must use this in a buffer where you have recently done \\[mouse-start-secondary]. |
1173 | If the text between where you did \\[mouse-start-secondary] and where | |
1174 | you use this command matches the text at the front of the kill ring, | |
1175 | this command deletes the text. | |
e66feb07 | 1176 | Otherwise, it adds the text to the kill ring, like \\[kill-ring-save], |
7bbe2cc7 | 1177 | which prepares for a second click with this command to delete the text. |
d89a4a47 | 1178 | |
7bbe2cc7 RS |
1179 | If you have already made a secondary selection in that buffer, |
1180 | this command extends or retracts the selection to where you click. | |
1181 | If you do this again in a different position, it extends or retracts | |
1182 | again. If you do this twice in the same position, it kills the selection." | |
e66feb07 | 1183 | (interactive "e") |
d65147f6 | 1184 | (mouse-minibuffer-check click) |
d89a4a47 RS |
1185 | (let ((posn (event-start click)) |
1186 | (click-posn (posn-point (event-start click))) | |
e66feb07 RS |
1187 | ;; Don't let a subsequent kill command append to this one: |
1188 | ;; prevent setting this-command to kill-region. | |
1189 | (this-command this-command)) | |
9a974c88 RS |
1190 | (or (eq (window-buffer (posn-window posn)) |
1191 | (or (and mouse-secondary-overlay | |
1192 | (overlay-buffer mouse-secondary-overlay)) | |
1193 | (if mouse-secondary-start | |
1194 | (marker-buffer mouse-secondary-start)))) | |
1195 | (error "Wrong buffer")) | |
1196 | (save-excursion | |
1197 | (set-buffer (window-buffer (posn-window posn))) | |
a94c7fcc | 1198 | (if (> (mod mouse-secondary-click-count 3) 0) |
9a974c88 RS |
1199 | (if (not (and (eq last-command 'mouse-secondary-save-then-kill) |
1200 | (equal click-posn | |
1201 | (car (cdr-safe (cdr-safe mouse-save-then-kill-posn)))))) | |
1202 | ;; Find both ends of the object selected by this click. | |
1203 | (let* ((range | |
1204 | (mouse-start-end click-posn click-posn | |
a94c7fcc | 1205 | mouse-secondary-click-count))) |
9a974c88 RS |
1206 | ;; Move whichever end is closer to the click. |
1207 | ;; That's what xterm does, and it seems reasonable. | |
1208 | (if (< (abs (- click-posn (overlay-start mouse-secondary-overlay))) | |
1209 | (abs (- click-posn (overlay-end mouse-secondary-overlay)))) | |
1210 | (move-overlay mouse-secondary-overlay (car range) | |
1211 | (overlay-end mouse-secondary-overlay)) | |
d89a4a47 RS |
1212 | (move-overlay mouse-secondary-overlay |
1213 | (overlay-start mouse-secondary-overlay) | |
1214 | (nth 1 range))) | |
9a974c88 RS |
1215 | ;; We have already put the old region in the kill ring. |
1216 | ;; Replace it with the extended region. | |
1217 | ;; (It would be annoying to make a separate entry.) | |
f69140fd KH |
1218 | (kill-new (buffer-substring |
1219 | (overlay-start mouse-secondary-overlay) | |
1220 | (overlay-end mouse-secondary-overlay)) t) | |
9a974c88 RS |
1221 | ;; Arrange for a repeated mouse-3 to kill this region. |
1222 | (setq mouse-save-then-kill-posn | |
1223 | (list (car kill-ring) (point) click-posn))) | |
1224 | ;; If we click this button again without moving it, | |
1225 | ;; that time kill. | |
d89a4a47 | 1226 | (progn |
9a974c88 RS |
1227 | (mouse-save-then-kill-delete-region |
1228 | (overlay-start mouse-secondary-overlay) | |
1229 | (overlay-end mouse-secondary-overlay)) | |
1230 | (setq mouse-save-then-kill-posn nil) | |
a94c7fcc | 1231 | (setq mouse-secondary-click-count 0) |
9a974c88 RS |
1232 | (delete-overlay mouse-secondary-overlay))) |
1233 | (if (and (eq last-command 'mouse-secondary-save-then-kill) | |
1234 | mouse-save-then-kill-posn | |
1235 | (eq (car mouse-save-then-kill-posn) (car kill-ring)) | |
1236 | (equal (cdr mouse-save-then-kill-posn) (list (point) click-posn))) | |
1237 | ;; If this is the second time we've called | |
1238 | ;; mouse-secondary-save-then-kill, delete the text from the buffer. | |
1239 | (progn | |
1240 | (mouse-save-then-kill-delete-region | |
1241 | (overlay-start mouse-secondary-overlay) | |
1242 | (overlay-end mouse-secondary-overlay)) | |
1243 | (setq mouse-save-then-kill-posn nil) | |
1244 | (delete-overlay mouse-secondary-overlay)) | |
1245 | (if (overlay-start mouse-secondary-overlay) | |
1246 | ;; We have a selection, so adjust it. | |
1247 | (progn | |
1248 | (if (numberp click-posn) | |
1249 | (progn | |
1250 | ;; Move whichever end of the region is closer to the click. | |
1251 | ;; That is what xterm does, and it seems reasonable. | |
1252 | (if (< (abs (- click-posn (overlay-start mouse-secondary-overlay))) | |
1253 | (abs (- click-posn (overlay-end mouse-secondary-overlay)))) | |
1254 | (move-overlay mouse-secondary-overlay click-posn | |
1255 | (overlay-end mouse-secondary-overlay)) | |
d89a4a47 RS |
1256 | (move-overlay mouse-secondary-overlay |
1257 | (overlay-start mouse-secondary-overlay) | |
1258 | click-posn)) | |
9a974c88 | 1259 | (setq deactivate-mark nil))) |
0136e1e3 | 1260 | (if (eq last-command 'mouse-secondary-save-then-kill) |
f69140fd KH |
1261 | ;; If the front of the kill ring comes from |
1262 | ;; an immediately previous use of this command, | |
1263 | ;; replace it with the extended region. | |
1264 | ;; (It would be annoying to make a separate entry.) | |
1265 | (kill-new (buffer-substring | |
0136e1e3 | 1266 | (overlay-start mouse-secondary-overlay) |
f69140fd | 1267 | (overlay-end mouse-secondary-overlay)) t) |
0136e1e3 RS |
1268 | (copy-region-as-kill (overlay-start mouse-secondary-overlay) |
1269 | (overlay-end mouse-secondary-overlay)))) | |
9a974c88 RS |
1270 | (if mouse-secondary-start |
1271 | ;; All we have is one end of a selection, | |
1272 | ;; so put the other end here. | |
1273 | (let ((start (+ 0 mouse-secondary-start))) | |
1274 | (kill-ring-save start click-posn) | |
1275 | (if mouse-secondary-overlay | |
1276 | (move-overlay mouse-secondary-overlay start click-posn) | |
1277 | (setq mouse-secondary-overlay (make-overlay start click-posn))) | |
1278 | (overlay-put mouse-secondary-overlay 'face 'secondary-selection)))) | |
1279 | (setq mouse-save-then-kill-posn | |
1280 | (list (car kill-ring) (point) click-posn)))) | |
fb28fd5b RS |
1281 | (if (overlay-buffer mouse-secondary-overlay) |
1282 | (x-set-selection 'SECONDARY | |
9a974c88 RS |
1283 | (buffer-substring |
1284 | (overlay-start mouse-secondary-overlay) | |
1285 | (overlay-end mouse-secondary-overlay))))))) | |
e66feb07 | 1286 | \f |
3b558d41 | 1287 | (defcustom mouse-menu-buffer-maxlen 20 |
f1107960 RS |
1288 | "*Number of buffers in one pane (submenu) of the buffer menu. |
1289 | If we have lots of buffers, divide them into groups of | |
3b558d41 RS |
1290 | `mouse-menu-buffer-maxlen' and make a pane (or submenu) for each one." |
1291 | :type 'integer | |
1292 | :group 'mouse) | |
f1107960 | 1293 | |
284a88a3 RS |
1294 | (defvar mouse-buffer-menu-mode-groups |
1295 | '(("Info\\|Help\\|Apropos\\|Man" . "Help") | |
1296 | ("\\bVM\\b\\|\\bMH\\b\\|Message\\|Mail\\|Group\\|Score\\|Summary\\|Article" | |
1297 | . "Mail/News") | |
1298 | ("\\<C\\>" . "C") | |
1299 | ("ObjC" . "C") | |
1300 | ("Text" . "Text") | |
1301 | ("Outline" . "Text") | |
1302 | ("Lisp" . "Lisp")) | |
1303 | "How to group various major modes together in \\[mouse-buffer-menu]. | |
1304 | Each element has the form (REGEXP . GROUPNAME). | |
1305 | If the major mode's name string matches REGEXP, use GROUPNAME instead.") | |
1306 | ||
8b34e79d | 1307 | (defun mouse-buffer-menu (event) |
2d82f7b9 RS |
1308 | "Pop up a menu of buffers for selection with the mouse. |
1309 | This switches buffers in the window that you clicked on, | |
1310 | and selects that window." | |
ec558adc | 1311 | (interactive "e") |
d65147f6 | 1312 | (mouse-minibuffer-check event) |
284a88a3 RS |
1313 | (let (buffers alist menu split-by-major-mode sum-of-squares) |
1314 | (setq buffers (buffer-list)) | |
1315 | ;; Make an alist of elements that look like (MENU-ITEM . BUFFER). | |
1316 | (let ((tail buffers)) | |
1317 | (while tail | |
1318 | ;; Divide all buffers into buckets for various major modes. | |
1319 | ;; Each bucket looks like (MODE NAMESTRING BUFFERS...). | |
1320 | (with-current-buffer (car tail) | |
1321 | (let* ((adjusted-major-mode major-mode) elt) | |
1322 | (let ((tail mouse-buffer-menu-mode-groups)) | |
1323 | (while tail | |
1324 | (if (string-match (car (car tail)) mode-name) | |
1325 | (setq adjusted-major-mode (cdr (car tail)))) | |
1326 | (setq tail (cdr tail)))) | |
1327 | (setq elt (assoc adjusted-major-mode split-by-major-mode)) | |
1328 | (if (null elt) | |
1329 | (setq elt (list adjusted-major-mode | |
1330 | (if (stringp adjusted-major-mode) | |
1331 | adjusted-major-mode | |
1332 | mode-name)) | |
1333 | split-by-major-mode (cons elt split-by-major-mode))) | |
1334 | (or (memq (car tail) (cdr (cdr elt))) | |
1335 | (setcdr (cdr elt) (cons (car tail) (cdr (cdr elt))))))) | |
1336 | (setq tail (cdr tail)))) | |
1337 | ;; Compute the sum of squares of sizes of the major-mode buckets. | |
1338 | (let ((tail split-by-major-mode)) | |
1339 | (setq sum-of-squares 0) | |
1340 | (while tail | |
1341 | (setq sum-of-squares | |
1342 | (+ sum-of-squares | |
1343 | (* (length (cdr (cdr (car tail)))) | |
1344 | (length (cdr (cdr (car tail))))))) | |
1345 | (setq tail (cdr tail)))) | |
1346 | (if (< (* sum-of-squares 4) (* (length buffers) (length buffers))) | |
1347 | ;; Subdividing by major modes really helps, so let's do it. | |
1348 | (let (subdivided-menus (buffers-left (length buffers))) | |
1349 | ;; Sort the list to put the most popular major modes first. | |
1350 | (setq split-by-major-mode | |
1351 | (sort split-by-major-mode | |
1352 | (function (lambda (elt1 elt2) | |
1353 | (> (length elt1) (length elt2)))))) | |
1354 | ;; Make a separate submenu for each major mode | |
1355 | ;; that has more than one buffer, | |
1356 | ;; unless all the remaining buffers are less than 1/10 of them. | |
1357 | (while (and split-by-major-mode | |
1358 | (and (> (length (car split-by-major-mode)) 3) | |
1359 | (> (* buffers-left 10) (length buffers)))) | |
1360 | (setq subdivided-menus | |
1361 | (cons (cons | |
1362 | (nth 1 (car split-by-major-mode)) | |
1363 | (mouse-buffer-menu-alist | |
1364 | (cdr (cdr (car split-by-major-mode))))) | |
1365 | subdivided-menus)) | |
1366 | (setq buffers-left | |
1367 | (- buffers-left (length (cdr (car split-by-major-mode))))) | |
1368 | (setq split-by-major-mode (cdr split-by-major-mode))) | |
1369 | ;; If any major modes are left over, | |
1370 | ;; make a single submenu for them. | |
1371 | (if split-by-major-mode | |
1372 | (setq subdivided-menus | |
1373 | (cons (cons | |
1374 | "Others" | |
1375 | (mouse-buffer-menu-alist | |
1376 | (apply 'append | |
1377 | (mapcar 'cdr | |
1378 | (mapcar 'cdr split-by-major-mode))))) | |
1379 | subdivided-menus))) | |
1380 | (setq subdivided-menus | |
1381 | (nreverse subdivided-menus)) | |
1382 | (setq menu (cons "Buffer Menu" subdivided-menus))) | |
1383 | (progn | |
1384 | (setq alist (mouse-buffer-menu-alist buffers)) | |
1385 | (setq menu (cons "Buffer Menu" | |
1386 | (mouse-buffer-menu-split "Select Buffer" alist))))) | |
2d82f7b9 RS |
1387 | (let ((buf (x-popup-menu event menu)) |
1388 | (window (posn-window (event-start event)))) | |
1389 | (if buf | |
1390 | (progn | |
c0bb9f3b | 1391 | (or (framep window) (select-window window)) |
2d82f7b9 | 1392 | (switch-to-buffer buf)))))) |
284a88a3 RS |
1393 | |
1394 | (defun mouse-buffer-menu-alist (buffers) | |
1395 | (let (tail | |
1396 | (maxlen 0) | |
1397 | head) | |
1398 | (setq buffers | |
1399 | (sort buffers | |
1400 | (function (lambda (elt1 elt2) | |
1401 | (string< (buffer-name elt1) (buffer-name elt2)))))) | |
1402 | (setq tail buffers) | |
1403 | (while tail | |
1404 | (or (eq ?\ (aref (buffer-name (car tail)) 0)) | |
1405 | (setq maxlen | |
1406 | (max maxlen | |
1407 | (length (buffer-name (car tail)))))) | |
1408 | (setq tail (cdr tail))) | |
1409 | (setq tail buffers) | |
1410 | (while tail | |
1411 | (let ((elt (car tail))) | |
1412 | (if (/= (aref (buffer-name elt) 0) ?\ ) | |
1413 | (setq head | |
1414 | (cons | |
1415 | (cons | |
1416 | (format | |
1417 | (format "%%%ds %%s%%s %%s" maxlen) | |
1418 | (buffer-name elt) | |
1419 | (if (buffer-modified-p elt) "*" " ") | |
1420 | (save-excursion | |
1421 | (set-buffer elt) | |
1422 | (if buffer-read-only "%" " ")) | |
1423 | (or (buffer-file-name elt) | |
1424 | (save-excursion | |
1425 | (set-buffer elt) | |
1426 | (if list-buffers-directory | |
1427 | (expand-file-name | |
1428 | list-buffers-directory))) | |
1429 | "")) | |
1430 | elt) | |
1431 | head)))) | |
1432 | (setq tail (cdr tail))) | |
1433 | ;; Compensate for the reversal that the above loop does. | |
1434 | (nreverse head))) | |
1435 | ||
1436 | (defun mouse-buffer-menu-split (title alist) | |
1437 | ;; If we have lots of buffers, divide them into groups of 20 | |
1438 | ;; and make a pane (or submenu) for each one. | |
1439 | (if (> (length alist) (/ (* mouse-menu-buffer-maxlen 3) 2)) | |
1440 | (let ((alist alist) sublists next | |
1441 | (i 1)) | |
1442 | (while alist | |
1443 | ;; Pull off the next mouse-menu-buffer-maxlen buffers | |
1444 | ;; and make them the next element of sublist. | |
1445 | (setq next (nthcdr mouse-menu-buffer-maxlen alist)) | |
1446 | (if next | |
1447 | (setcdr (nthcdr (1- mouse-menu-buffer-maxlen) alist) | |
1448 | nil)) | |
1449 | (setq sublists (cons (cons (format "Buffers %d" i) alist) | |
1450 | sublists)) | |
1451 | (setq i (1+ i)) | |
1452 | (setq alist next)) | |
1453 | (nreverse sublists)) | |
1454 | ;; Few buffers--put them all in one pane. | |
1455 | (list (cons title alist)))) | |
72ea54a4 | 1456 | \f |
5ba2dc3f | 1457 | ;;; These need to be rewritten for the new scroll bar implementation. |
dbc4e1c1 JB |
1458 | |
1459 | ;;;!! ;; Commands for the scroll bar. | |
1460 | ;;;!! | |
1461 | ;;;!! (defun mouse-scroll-down (click) | |
1462 | ;;;!! (interactive "@e") | |
1463 | ;;;!! (scroll-down (1+ (cdr (mouse-coords click))))) | |
1464 | ;;;!! | |
1465 | ;;;!! (defun mouse-scroll-up (click) | |
1466 | ;;;!! (interactive "@e") | |
1467 | ;;;!! (scroll-up (1+ (cdr (mouse-coords click))))) | |
1468 | ;;;!! | |
1469 | ;;;!! (defun mouse-scroll-down-full () | |
1470 | ;;;!! (interactive "@") | |
1471 | ;;;!! (scroll-down nil)) | |
1472 | ;;;!! | |
1473 | ;;;!! (defun mouse-scroll-up-full () | |
1474 | ;;;!! (interactive "@") | |
1475 | ;;;!! (scroll-up nil)) | |
1476 | ;;;!! | |
1477 | ;;;!! (defun mouse-scroll-move-cursor (click) | |
1478 | ;;;!! (interactive "@e") | |
1479 | ;;;!! (move-to-window-line (1+ (cdr (mouse-coords click))))) | |
1480 | ;;;!! | |
1481 | ;;;!! (defun mouse-scroll-absolute (event) | |
1482 | ;;;!! (interactive "@e") | |
1483 | ;;;!! (let* ((pos (car event)) | |
1484 | ;;;!! (position (car pos)) | |
1485 | ;;;!! (length (car (cdr pos)))) | |
1486 | ;;;!! (if (<= length 0) (setq length 1)) | |
1487 | ;;;!! (let* ((scale-factor (max 1 (/ length (/ 8000000 (buffer-size))))) | |
1488 | ;;;!! (newpos (* (/ (* (/ (buffer-size) scale-factor) | |
1489 | ;;;!! position) | |
1490 | ;;;!! length) | |
1491 | ;;;!! scale-factor))) | |
1492 | ;;;!! (goto-char newpos) | |
1493 | ;;;!! (recenter '(4))))) | |
1494 | ;;;!! | |
1495 | ;;;!! (defun mouse-scroll-left (click) | |
1496 | ;;;!! (interactive "@e") | |
1497 | ;;;!! (scroll-left (1+ (car (mouse-coords click))))) | |
1498 | ;;;!! | |
1499 | ;;;!! (defun mouse-scroll-right (click) | |
1500 | ;;;!! (interactive "@e") | |
1501 | ;;;!! (scroll-right (1+ (car (mouse-coords click))))) | |
1502 | ;;;!! | |
1503 | ;;;!! (defun mouse-scroll-left-full () | |
1504 | ;;;!! (interactive "@") | |
1505 | ;;;!! (scroll-left nil)) | |
1506 | ;;;!! | |
1507 | ;;;!! (defun mouse-scroll-right-full () | |
1508 | ;;;!! (interactive "@") | |
1509 | ;;;!! (scroll-right nil)) | |
1510 | ;;;!! | |
1511 | ;;;!! (defun mouse-scroll-move-cursor-horizontally (click) | |
1512 | ;;;!! (interactive "@e") | |
1513 | ;;;!! (move-to-column (1+ (car (mouse-coords click))))) | |
1514 | ;;;!! | |
1515 | ;;;!! (defun mouse-scroll-absolute-horizontally (event) | |
1516 | ;;;!! (interactive "@e") | |
1517 | ;;;!! (let* ((pos (car event)) | |
1518 | ;;;!! (position (car pos)) | |
1519 | ;;;!! (length (car (cdr pos)))) | |
1520 | ;;;!! (set-window-hscroll (selected-window) 33))) | |
1521 | ;;;!! | |
1522 | ;;;!! (global-set-key [scroll-bar mouse-1] 'mouse-scroll-up) | |
1523 | ;;;!! (global-set-key [scroll-bar mouse-2] 'mouse-scroll-absolute) | |
1524 | ;;;!! (global-set-key [scroll-bar mouse-3] 'mouse-scroll-down) | |
1525 | ;;;!! | |
1526 | ;;;!! (global-set-key [vertical-slider mouse-1] 'mouse-scroll-move-cursor) | |
1527 | ;;;!! (global-set-key [vertical-slider mouse-2] 'mouse-scroll-move-cursor) | |
1528 | ;;;!! (global-set-key [vertical-slider mouse-3] 'mouse-scroll-move-cursor) | |
1529 | ;;;!! | |
1530 | ;;;!! (global-set-key [thumbup mouse-1] 'mouse-scroll-up-full) | |
1531 | ;;;!! (global-set-key [thumbup mouse-2] 'mouse-scroll-up-full) | |
1532 | ;;;!! (global-set-key [thumbup mouse-3] 'mouse-scroll-up-full) | |
1533 | ;;;!! | |
1534 | ;;;!! (global-set-key [thumbdown mouse-1] 'mouse-scroll-down-full) | |
1535 | ;;;!! (global-set-key [thumbdown mouse-2] 'mouse-scroll-down-full) | |
1536 | ;;;!! (global-set-key [thumbdown mouse-3] 'mouse-scroll-down-full) | |
1537 | ;;;!! | |
1538 | ;;;!! (global-set-key [horizontal-scroll-bar mouse-1] 'mouse-scroll-left) | |
1539 | ;;;!! (global-set-key [horizontal-scroll-bar mouse-2] | |
1540 | ;;;!! 'mouse-scroll-absolute-horizontally) | |
1541 | ;;;!! (global-set-key [horizontal-scroll-bar mouse-3] 'mouse-scroll-right) | |
1542 | ;;;!! | |
1543 | ;;;!! (global-set-key [horizontal-slider mouse-1] | |
1544 | ;;;!! 'mouse-scroll-move-cursor-horizontally) | |
1545 | ;;;!! (global-set-key [horizontal-slider mouse-2] | |
1546 | ;;;!! 'mouse-scroll-move-cursor-horizontally) | |
1547 | ;;;!! (global-set-key [horizontal-slider mouse-3] | |
1548 | ;;;!! 'mouse-scroll-move-cursor-horizontally) | |
1549 | ;;;!! | |
1550 | ;;;!! (global-set-key [thumbleft mouse-1] 'mouse-scroll-left-full) | |
1551 | ;;;!! (global-set-key [thumbleft mouse-2] 'mouse-scroll-left-full) | |
1552 | ;;;!! (global-set-key [thumbleft mouse-3] 'mouse-scroll-left-full) | |
1553 | ;;;!! | |
1554 | ;;;!! (global-set-key [thumbright mouse-1] 'mouse-scroll-right-full) | |
1555 | ;;;!! (global-set-key [thumbright mouse-2] 'mouse-scroll-right-full) | |
1556 | ;;;!! (global-set-key [thumbright mouse-3] 'mouse-scroll-right-full) | |
1557 | ;;;!! | |
1558 | ;;;!! (global-set-key [horizontal-scroll-bar S-mouse-2] | |
1559 | ;;;!! 'mouse-split-window-horizontally) | |
1560 | ;;;!! (global-set-key [mode-line S-mouse-2] | |
1561 | ;;;!! 'mouse-split-window-horizontally) | |
1562 | ;;;!! (global-set-key [vertical-scroll-bar S-mouse-2] | |
1563 | ;;;!! 'mouse-split-window) | |
6b2154de | 1564 | \f |
dbc4e1c1 JB |
1565 | ;;;!! ;;;; |
1566 | ;;;!! ;;;; Here are experimental things being tested. Mouse events | |
1567 | ;;;!! ;;;; are of the form: | |
1568 | ;;;!! ;;;; ((x y) window screen-part key-sequence timestamp) | |
1569 | ;;;!! ;; | |
1570 | ;;;!! ;;;; | |
1571 | ;;;!! ;;;; Dynamically track mouse coordinates | |
1572 | ;;;!! ;;;; | |
1573 | ;;;!! ;; | |
1574 | ;;;!! ;;(defun track-mouse (event) | |
1575 | ;;;!! ;; "Track the coordinates, absolute and relative, of the mouse." | |
1576 | ;;;!! ;; (interactive "@e") | |
1577 | ;;;!! ;; (while mouse-grabbed | |
1578 | ;;;!! ;; (let* ((pos (read-mouse-position (selected-screen))) | |
1579 | ;;;!! ;; (abs-x (car pos)) | |
1580 | ;;;!! ;; (abs-y (cdr pos)) | |
1581 | ;;;!! ;; (relative-coordinate (coordinates-in-window-p | |
1582 | ;;;!! ;; (list (car pos) (cdr pos)) | |
1583 | ;;;!! ;; (selected-window)))) | |
1584 | ;;;!! ;; (if (consp relative-coordinate) | |
1585 | ;;;!! ;; (message "mouse: [%d %d], (%d %d)" abs-x abs-y | |
1586 | ;;;!! ;; (car relative-coordinate) | |
1587 | ;;;!! ;; (car (cdr relative-coordinate))) | |
1588 | ;;;!! ;; (message "mouse: [%d %d]" abs-x abs-y))))) | |
1589 | ;;;!! | |
1590 | ;;;!! ;; | |
1591 | ;;;!! ;; Dynamically put a box around the line indicated by point | |
1592 | ;;;!! ;; | |
1593 | ;;;!! ;; | |
1594 | ;;;!! ;;(require 'backquote) | |
1595 | ;;;!! ;; | |
1596 | ;;;!! ;;(defun mouse-select-buffer-line (event) | |
1597 | ;;;!! ;; (interactive "@e") | |
1598 | ;;;!! ;; (let ((relative-coordinate | |
1599 | ;;;!! ;; (coordinates-in-window-p (car event) (selected-window))) | |
1600 | ;;;!! ;; (abs-y (car (cdr (car event))))) | |
1601 | ;;;!! ;; (if (consp relative-coordinate) | |
1602 | ;;;!! ;; (progn | |
1603 | ;;;!! ;; (save-excursion | |
1604 | ;;;!! ;; (move-to-window-line (car (cdr relative-coordinate))) | |
1605 | ;;;!! ;; (x-draw-rectangle | |
1606 | ;;;!! ;; (selected-screen) | |
1607 | ;;;!! ;; abs-y 0 | |
1608 | ;;;!! ;; (save-excursion | |
1609 | ;;;!! ;; (move-to-window-line (car (cdr relative-coordinate))) | |
1610 | ;;;!! ;; (end-of-line) | |
1611 | ;;;!! ;; (push-mark nil t) | |
1612 | ;;;!! ;; (beginning-of-line) | |
1613 | ;;;!! ;; (- (region-end) (region-beginning))) 1)) | |
1614 | ;;;!! ;; (sit-for 1) | |
1615 | ;;;!! ;; (x-erase-rectangle (selected-screen)))))) | |
1616 | ;;;!! ;; | |
1617 | ;;;!! ;;(defvar last-line-drawn nil) | |
1618 | ;;;!! ;;(defvar begin-delim "[^ \t]") | |
1619 | ;;;!! ;;(defvar end-delim "[^ \t]") | |
1620 | ;;;!! ;; | |
1621 | ;;;!! ;;(defun mouse-boxing (event) | |
1622 | ;;;!! ;; (interactive "@e") | |
1623 | ;;;!! ;; (save-excursion | |
1624 | ;;;!! ;; (let ((screen (selected-screen))) | |
1625 | ;;;!! ;; (while (= (x-mouse-events) 0) | |
1626 | ;;;!! ;; (let* ((pos (read-mouse-position screen)) | |
1627 | ;;;!! ;; (abs-x (car pos)) | |
1628 | ;;;!! ;; (abs-y (cdr pos)) | |
1629 | ;;;!! ;; (relative-coordinate | |
1630 | ;;;!! ;; (coordinates-in-window-p (` ((, abs-x) (, abs-y))) | |
1631 | ;;;!! ;; (selected-window))) | |
1632 | ;;;!! ;; (begin-reg nil) | |
1633 | ;;;!! ;; (end-reg nil) | |
1634 | ;;;!! ;; (end-column nil) | |
1635 | ;;;!! ;; (begin-column nil)) | |
1636 | ;;;!! ;; (if (and (consp relative-coordinate) | |
1637 | ;;;!! ;; (or (not last-line-drawn) | |
1638 | ;;;!! ;; (not (= last-line-drawn abs-y)))) | |
1639 | ;;;!! ;; (progn | |
1640 | ;;;!! ;; (move-to-window-line (car (cdr relative-coordinate))) | |
1641 | ;;;!! ;; (if (= (following-char) 10) | |
1642 | ;;;!! ;; () | |
1643 | ;;;!! ;; (progn | |
1644 | ;;;!! ;; (setq begin-reg (1- (re-search-forward end-delim))) | |
1645 | ;;;!! ;; (setq begin-column (1- (current-column))) | |
1646 | ;;;!! ;; (end-of-line) | |
1647 | ;;;!! ;; (setq end-reg (1+ (re-search-backward begin-delim))) | |
1648 | ;;;!! ;; (setq end-column (1+ (current-column))) | |
1649 | ;;;!! ;; (message "%s" (buffer-substring begin-reg end-reg)) | |
1650 | ;;;!! ;; (x-draw-rectangle screen | |
1651 | ;;;!! ;; (setq last-line-drawn abs-y) | |
1652 | ;;;!! ;; begin-column | |
1653 | ;;;!! ;; (- end-column begin-column) 1)))))))))) | |
1654 | ;;;!! ;; | |
1655 | ;;;!! ;;(defun mouse-erase-box () | |
1656 | ;;;!! ;; (interactive) | |
1657 | ;;;!! ;; (if last-line-drawn | |
1658 | ;;;!! ;; (progn | |
1659 | ;;;!! ;; (x-erase-rectangle (selected-screen)) | |
1660 | ;;;!! ;; (setq last-line-drawn nil)))) | |
1661 | ;;;!! | |
1662 | ;;;!! ;;; (defun test-x-rectangle () | |
1663 | ;;;!! ;;; (use-local-mouse-map (setq rectangle-test-map (make-sparse-keymap))) | |
1664 | ;;;!! ;;; (define-key rectangle-test-map mouse-motion-button-left 'mouse-boxing) | |
1665 | ;;;!! ;;; (define-key rectangle-test-map mouse-button-left-up 'mouse-erase-box)) | |
1666 | ;;;!! | |
1667 | ;;;!! ;; | |
1668 | ;;;!! ;; Here is how to do double clicking in lisp. About to change. | |
1669 | ;;;!! ;; | |
1670 | ;;;!! | |
1671 | ;;;!! (defvar double-start nil) | |
1672 | ;;;!! (defconst double-click-interval 300 | |
1673 | ;;;!! "Max ticks between clicks") | |
1674 | ;;;!! | |
1675 | ;;;!! (defun double-down (event) | |
1676 | ;;;!! (interactive "@e") | |
1677 | ;;;!! (if double-start | |
1678 | ;;;!! (let ((interval (- (nth 4 event) double-start))) | |
1679 | ;;;!! (if (< interval double-click-interval) | |
1680 | ;;;!! (progn | |
1681 | ;;;!! (backward-up-list 1) | |
1682 | ;;;!! ;; (message "Interval %d" interval) | |
1683 | ;;;!! (sleep-for 1))) | |
1684 | ;;;!! (setq double-start nil)) | |
1685 | ;;;!! (setq double-start (nth 4 event)))) | |
1686 | ;;;!! | |
1687 | ;;;!! (defun double-up (event) | |
1688 | ;;;!! (interactive "@e") | |
1689 | ;;;!! (and double-start | |
1690 | ;;;!! (> (- (nth 4 event ) double-start) double-click-interval) | |
1691 | ;;;!! (setq double-start nil))) | |
1692 | ;;;!! | |
1693 | ;;;!! ;;; (defun x-test-doubleclick () | |
1694 | ;;;!! ;;; (use-local-mouse-map (setq doubleclick-test-map (make-sparse-keymap))) | |
1695 | ;;;!! ;;; (define-key doubleclick-test-map mouse-button-left 'double-down) | |
1696 | ;;;!! ;;; (define-key doubleclick-test-map mouse-button-left-up 'double-up)) | |
1697 | ;;;!! | |
1698 | ;;;!! ;; | |
5ba2dc3f | 1699 | ;;;!! ;; This scrolls while button is depressed. Use preferable in scroll bar. |
dbc4e1c1 JB |
1700 | ;;;!! ;; |
1701 | ;;;!! | |
1702 | ;;;!! (defvar scrolled-lines 0) | |
1703 | ;;;!! (defconst scroll-speed 1) | |
1704 | ;;;!! | |
1705 | ;;;!! (defun incr-scroll-down (event) | |
1706 | ;;;!! (interactive "@e") | |
1707 | ;;;!! (setq scrolled-lines 0) | |
1708 | ;;;!! (incremental-scroll scroll-speed)) | |
1709 | ;;;!! | |
1710 | ;;;!! (defun incr-scroll-up (event) | |
1711 | ;;;!! (interactive "@e") | |
1712 | ;;;!! (setq scrolled-lines 0) | |
1713 | ;;;!! (incremental-scroll (- scroll-speed))) | |
1714 | ;;;!! | |
1715 | ;;;!! (defun incremental-scroll (n) | |
1716 | ;;;!! (while (= (x-mouse-events) 0) | |
1717 | ;;;!! (setq scrolled-lines (1+ (* scroll-speed scrolled-lines))) | |
1718 | ;;;!! (scroll-down n) | |
1719 | ;;;!! (sit-for 300 t))) | |
1720 | ;;;!! | |
1721 | ;;;!! (defun incr-scroll-stop (event) | |
1722 | ;;;!! (interactive "@e") | |
1723 | ;;;!! (message "Scrolled %d lines" scrolled-lines) | |
1724 | ;;;!! (setq scrolled-lines 0) | |
1725 | ;;;!! (sleep-for 1)) | |
1726 | ;;;!! | |
1727 | ;;;!! ;;; (defun x-testing-scroll () | |
1728 | ;;;!! ;;; (let ((scrolling-map (function mouse-vertical-scroll-bar-prefix))) | |
1729 | ;;;!! ;;; (define-key scrolling-map mouse-button-left 'incr-scroll-down) | |
1730 | ;;;!! ;;; (define-key scrolling-map mouse-button-right 'incr-scroll-up) | |
1731 | ;;;!! ;;; (define-key scrolling-map mouse-button-left-up 'incr-scroll-stop) | |
1732 | ;;;!! ;;; (define-key scrolling-map mouse-button-right-up 'incr-scroll-stop))) | |
1733 | ;;;!! | |
1734 | ;;;!! ;; | |
1735 | ;;;!! ;; Some playthings suitable for picture mode? They need work. | |
1736 | ;;;!! ;; | |
1737 | ;;;!! | |
1738 | ;;;!! (defun mouse-kill-rectangle (event) | |
1739 | ;;;!! "Kill the rectangle between point and the mouse cursor." | |
1740 | ;;;!! (interactive "@e") | |
1741 | ;;;!! (let ((point-save (point))) | |
1742 | ;;;!! (save-excursion | |
1743 | ;;;!! (mouse-set-point event) | |
1744 | ;;;!! (push-mark nil t) | |
1745 | ;;;!! (if (> point-save (point)) | |
1746 | ;;;!! (kill-rectangle (point) point-save) | |
1747 | ;;;!! (kill-rectangle point-save (point)))))) | |
1748 | ;;;!! | |
1749 | ;;;!! (defun mouse-open-rectangle (event) | |
1750 | ;;;!! "Kill the rectangle between point and the mouse cursor." | |
1751 | ;;;!! (interactive "@e") | |
1752 | ;;;!! (let ((point-save (point))) | |
1753 | ;;;!! (save-excursion | |
1754 | ;;;!! (mouse-set-point event) | |
1755 | ;;;!! (push-mark nil t) | |
1756 | ;;;!! (if (> point-save (point)) | |
1757 | ;;;!! (open-rectangle (point) point-save) | |
1758 | ;;;!! (open-rectangle point-save (point)))))) | |
1759 | ;;;!! | |
1760 | ;;;!! ;; Must be a better way to do this. | |
1761 | ;;;!! | |
1762 | ;;;!! (defun mouse-multiple-insert (n char) | |
1763 | ;;;!! (while (> n 0) | |
1764 | ;;;!! (insert char) | |
1765 | ;;;!! (setq n (1- n)))) | |
1766 | ;;;!! | |
1767 | ;;;!! ;; What this could do is not finalize until button was released. | |
1768 | ;;;!! | |
1769 | ;;;!! (defun mouse-move-text (event) | |
1770 | ;;;!! "Move text from point to cursor position, inserting spaces." | |
1771 | ;;;!! (interactive "@e") | |
1772 | ;;;!! (let* ((relative-coordinate | |
1773 | ;;;!! (coordinates-in-window-p (car event) (selected-window)))) | |
1774 | ;;;!! (if (consp relative-coordinate) | |
1775 | ;;;!! (cond ((> (current-column) (car relative-coordinate)) | |
1776 | ;;;!! (delete-char | |
1777 | ;;;!! (- (car relative-coordinate) (current-column)))) | |
1778 | ;;;!! ((< (current-column) (car relative-coordinate)) | |
1779 | ;;;!! (mouse-multiple-insert | |
1780 | ;;;!! (- (car relative-coordinate) (current-column)) " ")) | |
1781 | ;;;!! ((= (current-column) (car relative-coordinate)) (ding)))))) | |
07a78410 | 1782 | \f |
f936ae06 RS |
1783 | ;; Choose a completion with the mouse. |
1784 | ||
1785 | (defun mouse-choose-completion (event) | |
49e61c42 | 1786 | "Click on an alternative in the `*Completions*' buffer to choose it." |
f936ae06 | 1787 | (interactive "e") |
33c448cd RS |
1788 | ;; Give temporary modes such as isearch a chance to turn off. |
1789 | (run-hooks 'mouse-leave-buffer-hook) | |
d89a4a47 | 1790 | (let ((buffer (window-buffer)) |
02680e9b RS |
1791 | choice |
1792 | base-size) | |
f936ae06 RS |
1793 | (save-excursion |
1794 | (set-buffer (window-buffer (posn-window (event-start event)))) | |
f36f4e9e RS |
1795 | (if completion-reference-buffer |
1796 | (setq buffer completion-reference-buffer)) | |
02680e9b | 1797 | (setq base-size completion-base-size) |
f936ae06 RS |
1798 | (save-excursion |
1799 | (goto-char (posn-point (event-start event))) | |
b6be5d95 | 1800 | (let (beg end) |
9a43a594 RS |
1801 | (if (and (not (eobp)) (get-text-property (point) 'mouse-face)) |
1802 | (setq end (point) beg (1+ (point)))) | |
1803 | (if (null beg) | |
1804 | (error "No completion here")) | |
1805 | (setq beg (previous-single-property-change beg 'mouse-face)) | |
2f5ed2e8 RS |
1806 | (setq end (or (next-single-property-change end 'mouse-face) |
1807 | (point-max))) | |
b6be5d95 | 1808 | (setq choice (buffer-substring beg end))))) |
73e2025f RS |
1809 | (let ((owindow (selected-window))) |
1810 | (select-window (posn-window (event-start event))) | |
874a2cbd RS |
1811 | (if (and (one-window-p t 'selected-frame) |
1812 | (window-dedicated-p (selected-window))) | |
1813 | ;; This is a special buffer's frame | |
1814 | (iconify-frame (selected-frame)) | |
1815 | (or (window-dedicated-p (selected-window)) | |
1816 | (bury-buffer))) | |
73e2025f | 1817 | (select-window owindow)) |
02680e9b | 1818 | (choose-completion-string choice buffer base-size))) |
f936ae06 | 1819 | \f |
07a78410 RS |
1820 | ;; Font selection. |
1821 | ||
0eb9fef3 RS |
1822 | (defun font-menu-add-default () |
1823 | (let* ((default (cdr (assq 'font (frame-parameters (selected-frame))))) | |
1824 | (font-alist x-fixed-font-alist) | |
0d94f5ca | 1825 | (elt (or (assoc "Misc" font-alist) (nth 1 font-alist)))) |
0eb9fef3 RS |
1826 | (if (assoc "Default" elt) |
1827 | (delete (assoc "Default" elt) elt)) | |
1828 | (setcdr elt | |
3d64d15b | 1829 | (cons (list "Default" |
0eb9fef3 RS |
1830 | (cdr (assq 'font (frame-parameters (selected-frame))))) |
1831 | (cdr elt))))) | |
1832 | ||
07a78410 RS |
1833 | (defvar x-fixed-font-alist |
1834 | '("Font menu" | |
1835 | ("Misc" | |
19d973e8 RS |
1836 | ;; For these, we specify the pixel height and width. |
1837 | ("fixed" "fixed") | |
1838 | ("6x10" "-misc-fixed-medium-r-normal--10-*-*-*-c-60-iso8859-1" "6x10") | |
1839 | ("6x12" | |
1840 | "-misc-fixed-medium-r-semicondensed--12-*-*-*-c-60-iso8859-1" "6x12") | |
1841 | ("6x13" | |
1842 | "-misc-fixed-medium-r-semicondensed--13-*-*-*-c-60-iso8859-1" "6x13") | |
1843 | ("7x13" "-misc-fixed-medium-r-normal--13-*-*-*-c-70-iso8859-1" "7x13") | |
1844 | ("7x14" "-misc-fixed-medium-r-normal--14-*-*-*-c-70-iso8859-1" "7x14") | |
1845 | ("8x13" "-misc-fixed-medium-r-normal--13-*-*-*-c-80-iso8859-1" "8x13") | |
1846 | ("9x15" "-misc-fixed-medium-r-normal--15-*-*-*-c-90-iso8859-1" "9x15") | |
1847 | ("10x20" "-misc-fixed-medium-r-normal--20-*-*-*-c-100-iso8859-1" "10x20") | |
1848 | ("11x18" "-misc-fixed-medium-r-normal--18-*-*-*-c-110-iso8859-1" "11x18") | |
1849 | ("12x24" "-misc-fixed-medium-r-normal--24-*-*-*-c-120-iso8859-1" "12x24") | |
fa21fdec | 1850 | ("") |
f29c3695 RS |
1851 | ("clean 5x8" |
1852 | "-schumacher-clean-medium-r-normal--8-*-*-*-c-50-iso8859-1") | |
1853 | ("clean 6x8" | |
1854 | "-schumacher-clean-medium-r-normal--8-*-*-*-c-60-iso8859-1") | |
19d973e8 RS |
1855 | ("clean 8x8" |
1856 | "-schumacher-clean-medium-r-normal--8-*-*-*-c-80-iso8859-1") | |
1857 | ("clean 8x10" | |
1858 | "-schumacher-clean-medium-r-normal--10-*-*-*-c-80-iso8859-1") | |
1859 | ("clean 8x14" | |
1860 | "-schumacher-clean-medium-r-normal--14-*-*-*-c-80-iso8859-1") | |
1861 | ("clean 8x16" | |
1862 | "-schumacher-clean-medium-r-normal--16-*-*-*-c-80-iso8859-1") | |
fa21fdec | 1863 | ("") |
19d973e8 | 1864 | ("sony 8x16" "-sony-fixed-medium-r-normal--16-*-*-*-c-80-iso8859-1")) |
07a78410 RS |
1865 | ;;; We don't seem to have these; who knows what they are. |
1866 | ;;; ("fg-18" "fg-18") | |
1867 | ;;; ("fg-25" "fg-25") | |
1868 | ;;; ("lucidasanstypewriter-12" "lucidasanstypewriter-12") | |
1869 | ;;; ("lucidasanstypewriter-bold-14" "lucidasanstypewriter-bold-14") | |
1870 | ;;; ("lucidasanstypewriter-bold-24" "lucidasanstypewriter-bold-24") | |
1871 | ;;; ("lucidatypewriter-bold-r-24" "-b&h-lucidatypewriter-bold-r-normal-sans-24-240-75-75-m-140-iso8859-1") | |
1872 | ;;; ("fixed-medium-20" "-misc-fixed-medium-*-*-*-20-*-*-*-*-*-*-*") | |
1873 | ("Courier" | |
19d973e8 | 1874 | ;; For these, we specify the point height. |
82c048a9 RS |
1875 | ("8" "-adobe-courier-medium-r-normal--*-80-*-*-m-*-iso8859-1") |
1876 | ("10" "-adobe-courier-medium-r-normal--*-100-*-*-m-*-iso8859-1") | |
1877 | ("12" "-adobe-courier-medium-r-normal--*-120-*-*-m-*-iso8859-1") | |
1878 | ("14" "-adobe-courier-medium-r-normal--*-140-*-*-m-*-iso8859-1") | |
1879 | ("18" "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1") | |
1880 | ("24" "-adobe-courier-medium-r-normal--*-240-*-*-m-*-iso8859-1") | |
1881 | ("8 bold" "-adobe-courier-bold-r-normal--*-80-*-*-m-*-iso8859-1") | |
1882 | ("10 bold" "-adobe-courier-bold-r-normal--*-100-*-*-m-*-iso8859-1") | |
1883 | ("12 bold" "-adobe-courier-bold-r-normal--*-120-*-*-m-*-iso8859-1") | |
1884 | ("14 bold" "-adobe-courier-bold-r-normal--*-140-*-*-m-*-iso8859-1") | |
1885 | ("18 bold" "-adobe-courier-bold-r-normal--*-180-*-*-m-*-iso8859-1") | |
1886 | ("24 bold" "-adobe-courier-bold-r-normal--*-240-*-*-m-*-iso8859-1") | |
1887 | ("8 slant" "-adobe-courier-medium-o-normal--*-80-*-*-m-*-iso8859-1") | |
1888 | ("10 slant" "-adobe-courier-medium-o-normal--*-100-*-*-m-*-iso8859-1") | |
1889 | ("12 slant" "-adobe-courier-medium-o-normal--*-120-*-*-m-*-iso8859-1") | |
1890 | ("14 slant" "-adobe-courier-medium-o-normal--*-140-*-*-m-*-iso8859-1") | |
1891 | ("18 slant" "-adobe-courier-medium-o-normal--*-180-*-*-m-*-iso8859-1") | |
1892 | ("24 slant" "-adobe-courier-medium-o-normal--*-240-*-*-m-*-iso8859-1") | |
1893 | ("8 bold slant" "-adobe-courier-bold-o-normal--*-80-*-*-m-*-iso8859-1") | |
1894 | ("10 bold slant" "-adobe-courier-bold-o-normal--*-100-*-*-m-*-iso8859-1") | |
1895 | ("12 bold slant" "-adobe-courier-bold-o-normal--*-120-*-*-m-*-iso8859-1") | |
1896 | ("14 bold slant" "-adobe-courier-bold-o-normal--*-140-*-*-m-*-iso8859-1") | |
1897 | ("18 bold slant" "-adobe-courier-bold-o-normal--*-180-*-*-m-*-iso8859-1") | |
1898 | ("24 bold slant" "-adobe-courier-bold-o-normal--*-240-*-*-m-*-iso8859-1")) | |
07a78410 RS |
1899 | ) |
1900 | "X fonts suitable for use in Emacs.") | |
1901 | ||
1900a92b | 1902 | (defun mouse-set-font (&rest fonts) |
51a02226 | 1903 | "Select an emacs font from a list of known good fonts and fontsets." |
07a78410 | 1904 | (interactive |
51a02226 KH |
1905 | (x-popup-menu |
1906 | last-nonmenu-event | |
1907 | ;; Append list of fontsets currently defined. | |
1908 | (append x-fixed-font-alist (list (generate-fontset-menu))))) | |
df4de8c6 KH |
1909 | (if fonts |
1910 | (let (font) | |
1911 | (while fonts | |
1912 | (condition-case nil | |
1913 | (progn | |
3fadec1a | 1914 | (set-default-font (car fonts)) |
df4de8c6 KH |
1915 | (setq font (car fonts)) |
1916 | (setq fonts nil)) | |
3fadec1a RS |
1917 | (error |
1918 | (setq fonts (cdr fonts))))) | |
df4de8c6 | 1919 | (if (null font) |
3fadec1a | 1920 | (error "Font not found"))))) |
cc0a8174 JB |
1921 | \f |
1922 | ;;; Bindings for mouse commands. | |
1923 | ||
fcfc3c63 | 1924 | (define-key global-map [down-mouse-1] 'mouse-drag-region) |
dbc4e1c1 | 1925 | (global-set-key [mouse-1] 'mouse-set-point) |
dbc4e1c1 | 1926 | (global-set-key [drag-mouse-1] 'mouse-set-region) |
fcfc3c63 | 1927 | |
e37de120 RS |
1928 | ;; These are tested for in mouse-drag-region. |
1929 | (global-set-key [double-mouse-1] 'mouse-set-point) | |
1930 | (global-set-key [triple-mouse-1] 'mouse-set-point) | |
1931 | ||
dbc4e1c1 JB |
1932 | (global-set-key [mouse-2] 'mouse-yank-at-click) |
1933 | (global-set-key [mouse-3] 'mouse-save-then-kill) | |
8b34e79d | 1934 | |
dbc4e1c1 JB |
1935 | ;; By binding these to down-going events, we let the user use the up-going |
1936 | ;; event to make the selection, saving a click. | |
08a1c178 RS |
1937 | (global-set-key [C-down-mouse-1] 'mouse-buffer-menu) |
1938 | (if (not (eq system-type 'ms-dos)) | |
1939 | (global-set-key [S-down-mouse-1] 'mouse-set-font)) | |
eef805d7 | 1940 | ;; C-down-mouse-2 is bound in facemenu.el. |
95132d1c RS |
1941 | (global-set-key [C-down-mouse-3] 'mouse-major-mode-menu) |
1942 | ||
07a78410 | 1943 | |
8b34e79d RS |
1944 | ;; Replaced with dragging mouse-1 |
1945 | ;; (global-set-key [S-mouse-1] 'mouse-set-mark) | |
947da0c4 | 1946 | |
3c2dd2c0 | 1947 | (global-set-key [mode-line mouse-1] 'mouse-select-window) |
544e7e73 RS |
1948 | (global-set-key [mode-line drag-mouse-1] 'mouse-select-window) |
1949 | (global-set-key [mode-line down-mouse-1] 'mouse-drag-mode-line) | |
3c2dd2c0 | 1950 | (global-set-key [mode-line mouse-2] 'mouse-delete-other-windows) |
dbc4e1c1 | 1951 | (global-set-key [mode-line mouse-3] 'mouse-delete-window) |
3c2dd2c0 | 1952 | (global-set-key [mode-line C-mouse-2] 'mouse-split-window-horizontally) |
9926ab64 | 1953 | (global-set-key [vertical-scroll-bar C-mouse-2] 'mouse-split-window-vertically) |
b6522df6 | 1954 | (global-set-key [vertical-line C-mouse-2] 'mouse-split-window-vertically) |
08a1c178 RS |
1955 | (global-set-key [vertical-line down-mouse-1] 'mouse-drag-vertical-line) |
1956 | (global-set-key [vertical-line mouse-1] 'mouse-select-window) | |
49116ac0 JB |
1957 | |
1958 | (provide 'mouse) | |
1959 | ||
6594deb0 | 1960 | ;;; mouse.el ends here |