| blob | a527b040d8a96317955d419f97cfcea5636aa91e |
1 ;;; mouse.el --- window system-independent mouse support
3 ;; Copyright (C) 1993, 94, 95, 1999, 2000, 2001, 2002, 2003, 2004, 2005
4 ;; Free Software Foundation, Inc.
6 ;; Maintainer: FSF
7 ;; Keywords: hardware, mouse
9 ;; This file is part of GNU Emacs.
11 ;; GNU Emacs is free software; you can redistribute it and/or modify
12 ;; it under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; any later version.
16 ;; GNU Emacs is distributed in the hope that it will be useful,
17 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 ;; GNU General Public License for more details.
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with GNU Emacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
24 ;; Boston, MA 02111-1307, USA.
26 ;;; Commentary:
28 ;; This package provides various useful commands (including help
29 ;; system access) through the mouse. All this code assumes that mouse
30 ;; interpretation has been abstracted into Emacs input events.
31 ;;
32 ;; The code is rather X-dependent.
34 ;;; Code:
36 ;;; Utility functions.
38 ;;; Indent track-mouse like progn.
42 "*If non-nil, mouse yank commands yank at point instead of at click."
47 "*If non-nil, mouse drag copies region to kill-ring."
53 "Non-nil means that clicking Mouse-1 on a link follows the link.
55 With the default setting, an ordinary Mouse-1 click on a link
56 performs the same action as Mouse-2 on that link, while a longer
57 Mouse-1 click \(hold down the Mouse-1 button for more than 350
58 milliseconds) performs the original Mouse-1 binding \(which
59 typically sets point where you click the mouse).
61 If value is an integer, the time elapsed between pressing and
62 releasing the mouse button determines whether to follow the link
63 or perform the normal Mouse-1 action (typically set point).
64 The absolute numeric value specifices the maximum duration of a
66 short click follows the link, and a longer click performs the
67 normal action. A negative value gives the opposite behaviour.
69 If value is `double', a double click follows the link.
71 Otherwise, a single Mouse-1 click unconditionally follows the link.
73 Note that dragging the mouse never follows the link.
75 This feature only works in modes that specifically identify
76 clickable text as links, so it may not work with some external
77 packages. See `mouse-on-link-p' for details."
86 "*If non-nil, a Mouse-1 click also follows links in non-selected windows.
88 If nil, a Mouse-1 click on a link in a non-selected window performs
89 the normal mouse-1 binding, typically selects the window and sets
90 point at the click position."
96 \f
97 ;; Provide a mode-specific menu on a mouse button.
100 "Popup the given menu and call the selected option.
101 MENU can be a keymap, an easymenu-style menu or a list of keymaps as for
102 `x-popup-menu'.
103 POSITION can be a click event or ((XOFFSET YOFFSET) WINDOW) and defaults to
104 the current mouse position.
105 PREFIX is the prefix argument (if any) to pass to the command."
113 event cmd)
117 ;; The looping behavior was taken from lmenu's popup-menu-popup
119 ;; map could be a prefix key, in which case
120 ;; we need to get its function cell
121 ;; definition.
123 ;; Strangely x-popup-menu returns a list.
124 ;; mouse-major-mode-menu was using a weird:
125 ;; (key-binding (apply 'vector (append '(menu-bar) menu-prefix events)))
128 ;; We were given a list of keymaps. Search them all
129 ;; in sequence until a first binding is found.
131 binding)
137 binding)
138 ;; We were given a single keymap.
140 ;; Clear out echoing, which perhaps shows a prefix arg.
142 ;; Maybe try again but with the submap.
144 ;; If the user did not cancel by refusing to select,
145 ;; and if the result is a command, run it.
148 ;; `setup-specified-language-environment', for instance,
149 ;; expects this to be set from a menu keymap.
151 ;; mouse-major-mode-menu was using `command-execute' instead.
157 "Pop up a mode-specific menu of mouse commands.
158 Default to the Edit menu if the major mode doesn't define a menu."
159 ;; Switch to the window clicked on, because otherwise
160 ;; the mode's commands may not make sense.
162 ;; Let the mode update its menus first.
165 ;; returns the prefix we should use (after menu-bar).
166 ;; It is either nil or (SOME-SYMBOL).
168 ;; Keymap from which to inherit; may be null.
172 ;; Make a keymap in which our last command leads to a menu or
173 ;; default to the edit menu.
176 menu-bar-edit-menu))
177 result)
179 ;; Make our menu inherit from the desired keymap which we want
180 ;; to display as the menu now.
185 ;; Compute and cache the equivalent keys in MENU and all its submenus.
186 ;;;(defun mouse-major-mode-menu-compute-equiv-keys (menu)
187 ;;; (and (eq (car menu) 'keymap)
188 ;;; (x-popup-menu nil menu))
189 ;;; (while menu
190 ;;; (and (consp (car menu))
191 ;;; (consp (cdr (car menu)))
192 ;;; (let ((tail (cdr (car menu))))
193 ;;; (while (and (consp tail)
194 ;;; (not (eq (car tail) 'keymap)))
195 ;;; (setq tail (cdr tail)))
196 ;;; (if (consp tail)
197 ;;; (mouse-major-mode-menu-compute-equiv-keys tail))))
198 ;;; (setq menu (cdr menu))))
200 ;; Given a mode's menu bar keymap,
201 ;; if it defines exactly one menu bar menu,
202 ;; return just that menu.
203 ;; Otherwise return a menu for all of them.
207 submap)
215 menubar
220 "Pop up a menu equivalent to the menu bar for keyboard EVENT with PREFIX.
221 The contents are the items that would be in the menu bar whether or
222 not it is actually displayed."
228 ;; If a keymap doesn't have a prompt string (a lazy
229 ;; programmer didn't bother to provide one), create it and
230 ;; insert it into the keymap; each keymap gets its own
231 ;; prompt. This is required for non-toolkit versions to
232 ;; display non-empty menu pane names.
246 minor-mode)))
249 menu)))
262 ;; Supplying the list is faster than making a new map.
266 minor-mode-menus)
267 event prefix)))
270 "Popup a menu like either `mouse-major-mode-menu' or `mouse-popup-menubar'.
271 Use the former if the menu bar is showing, otherwise the latter."
276 \f
277 ;; Commands that operate on windows.
284 ;; Give temporary modes such as isearch a chance to turn off.
288 "Delete the window you click on.
289 Do nothing if the frame has just one window.
290 This command must be bound to a mouse click."
297 "Select the window clicked on; don't move point."
309 "Delete the window clicked on, and create a new frame displaying its buffer."
320 "Delete all windows except the one you click on."
325 "Select Emacs window mouse is on, then split it vertically in half.
326 The window is split at the line clicked on.
327 This command must be bound to a mouse click."
341 "Select Emacs window mouse is on, then split it horizontally in half.
342 The window is split at the column clicked on.
343 This command must be bound to a mouse click."
357 "Return the (or a) window directly above WINDOW.
358 That means one whose bottom edge is at the same height as WINDOW's top edge."
361 above-window)
365 top)
368 above-window))
371 "Move the bottom of WINDOW up or down by GROWTH lines.
372 Move it down if GROWTH is positive, or up if GROWTH is negative.
373 If this would make WINDOW too short,
374 shrink the window or windows above it to make room."
376 ;; EXCESS is the number of lines we need to take from windows above.
378 ;; This can recursively shrink windows all the way up.
387 "Move the top of WINDOW up or down by GROWTH lines.
388 Move it down if GROWTH is positive, or up if GROWTH is negative.
389 If this would make WINDOW too short, shrink the window or windows
390 above it to make room."
391 ;; Moving the top of WINDOW is actually moving the bottom of the
392 ;; window above.
398 "Change the height of a window by dragging on the mode or header line.
399 START-EVENT is the starting mouse-event of the drag action.
400 MODE-LINE-P non-nil means dragging a mode line; nil means a header line."
401 ;; Give temporary modes such as isearch a chance to turn off.
411 should-enlarge-minibuffer event mouse y top bot edges wconfig growth)
414 ;; enlarge-window only works on the selected window, so
415 ;; we must select the window where the start event originated.
416 ;; unwind-protect will restore the old selected window later.
419 ;; if this is the bottommost ordinary window, then to
420 ;; move its modeline the minibuffer must be enlarged.
423 mode-line-p
428 ;; loop reading events and sampling the position of
429 ;; the mouse.
434 ;; do nothing if
435 ;; - there is a switch-frame event.
436 ;; - the mouse isn't in the frame that we started in
437 ;; - the mouse isn't in any Emacs frame
438 ;; drag if
439 ;; - there is a mouse-movement event
440 ;; - there is a scroll-bar-movement event
441 ;; (same as mouse movement for our purposes)
442 ;; quit if
443 ;; - there is a keyboard event or some other unknown event
444 ;; unknown event.
449 nil)
457 nil)
460 nil)
468 ;; compute size change needed
474 ;; The window's top includes the header line!
478 ;; Check for an error case.
484 ;; grow/shrink minibuffer?
487 ;; yes. briefly select minibuffer so
488 ;; enlarge-window will affect the
489 ;; correct window.
491 ;; scale back shrinkage if it would
492 ;; make the minibuffer less than 1
493 ;; line tall.
496 growth)
501 ;; no. grow/shrink the selected window
502 ;(message "growth = %d" growth)
507 ;; if this window's growth caused another
508 ;; window to be deleted because it was too
509 ;; short, rescind the change.
510 ;;
511 ;; if size change caused space to be stolen
512 ;; from a window above this one, rescind the
513 ;; change, but only if we didn't grow/shrink
514 ;; the minibuffer. minibuffer size changes
515 ;; can cause all windows to shrink... no way
516 ;; around it.
520 mode-line-p
525 "Change the height of a window by dragging on the mode line."
530 "Change the height of a window by dragging on the header line.
531 Windows whose header-lines are at the top of the frame cannot be
532 resized by dragging their header-line."
534 ;; Changing the window's size by dragging its header-line when the
535 ;; header-line is at the top of the frame is somewhat strange,
536 ;; because the header-line doesn't move, so don't do it.
547 \f
549 "Change the width of a window by dragging on the vertical line."
551 ;; Give temporary modes such as isearch a chance to turn off.
559 event mouse x left right edges wconfig growth
573 ;; enlarge-window only works on the selected window, so
574 ;; we must select the window where the start event originated.
575 ;; unwind-protect will restore the old selected window later.
577 ;; loop reading events and sampling the position of
578 ;; the mouse.
582 ;; do nothing if
583 ;; - there is a switch-frame event.
584 ;; - the mouse isn't in the frame that we started in
585 ;; - the mouse isn't in any Emacs frame
586 ;; drag if
587 ;; - there is a mouse-movement event
588 ;; - there is a scroll-bar-movement event
589 ;; (same as mouse movement for our purposes)
590 ;; quit if
591 ;; - there is a keyboard event or some other unknown event
592 ;; unknown event.
596 nil)
604 nil)
606 nil)
609 ;; If the scroll bar is on the window's left,
610 ;; adjust the window on the left.
618 ;; scale back a move that would make the
619 ;; window too thin.
622 ;; compute size change needed
626 ;; if this window's growth caused another
627 ;; window to be deleted because it was too
628 ;; thin, rescind the change.
629 ;;
630 ;; if size change caused space to be stolen
631 ;; from a window to the left of this one,
632 ;; rescind the change.
636 \f
638 "Move point to the position clicked on with the mouse.
639 This should be bound to a mouse click event type."
642 ;; Use event-end in case called from mouse-drag-region.
643 ;; If EVENT is a click, event-end and event-start give same value.
651 "Return non-nil if there's an active region that was set with the mouse."
658 "Set the region to the text dragged over, and copy to kill ring.
659 This should be bound to a mouse drag event."
667 ;; If mark is highlighted, no need to bounce the cursor.
668 ;; On X, we highlight while dragging, thus once again no need to bounce.
676 ;; Don't set this-command to kill-region, so that a following
677 ;; C-w will not double the text in the kill ring.
678 ;; Ignore last-command so we don't append to a preceding kill.
685 ;; Set transient-mark-mode for a little while.
693 "*The pause between scroll steps caused by mouse drags, in seconds.
694 If you drag the mouse beyond the edge of a window, Emacs scrolls the
695 window to bring the text beyond that edge into view, with a delay of
696 this many seconds between scroll steps. Scrolling stops when you move
697 the mouse back into the window, or release the button.
698 This variable's value may be non-integral.
699 Setting this to zero causes Emacs to scroll as fast as it can."
704 "*The minimum number of lines scrolled by dragging mouse out of window.
705 Moving the mouse out the top or bottom edge of the window begins
706 scrolling repeatedly. The number of lines scrolled per repetition
707 is normally equal to the number of lines beyond the window edge that
708 the mouse has moved. However, it always scrolls at least the number
709 of lines specified by this variable."
714 "Scroll the window WINDOW, JUMP lines at a time, until new input arrives.
715 If OVERLAY is an overlay, let it stretch from START to the far edge of
716 the newly visible text.
717 Upon exit, point is at the far edge of the newly visible text."
733 ;; window-end doesn't reflect the window's new
734 ;; start position until the next redisplay.
740 ;; Now that we have scrolled WINDOW properly,
741 ;; put point back where it was for the redisplay
742 ;; so that we don't mess up the selected window.
749 ;; Create an overlay and immediately delete it, to get "overlay in no buffer".
759 "Set the region to the text that the mouse is dragged over.
760 Highlight the drag area as you move the mouse.
761 This must be bound to a button-down mouse event.
762 In Transient Mark mode, the highlighting remains as long as the mark
763 remains active. Otherwise, it remains until the next input event.
765 If the click is in the echo area, display the `*Messages*' buffer."
771 ;; Swallow the up-event.
776 ;; Give temporary modes such as isearch a chance to turn off.
782 "Return non-nil if POS is on a link in the current buffer.
783 POS must be a buffer position in the current buffer or an mouse
784 event location in the selected window, see `event-start'.
785 However, if `mouse-1-click-in-non-selected-windows' is non-nil,
786 POS may be a mouse event location in any window.
788 A clickable link is identified by one of the following methods:
790 - If the character at POS has a non-nil `follow-link' text or
791 overlay property, the value of that property determines what to do.
793 - If there is a local key-binding or a keybinding at position POS
794 for the `follow-link' event, the binding of that event determines
795 what to do.
797 The resulting value determine whether POS is inside a link:
799 - If the value is `mouse-face', POS is inside a link if there
800 is a non-nil `mouse-face' property at POS. Return t in this case.
802 - If the value is a function, FUNC, POS is inside a link if
803 the call \(FUNC POS) returns non-nil. Return the return value
804 from that call. Arg is \(posn-point POS) if POS is a mouse event,
806 - Otherwise, return the value itself.
808 The return value is interpreted as follows:
810 - If it is a string, the mouse-1 event is translated into the
811 first character of the string, i.e. the action of the mouse-1
812 click is the local or global binding of that character.
814 - If it is a vector, the mouse-1 event is translated into the
815 first element of that vector, i.e. the action of the mouse-1
816 click is the local or global binding of that event.
818 - Otherwise, the mouse-1 event is translated into a mouse-2 event
819 at the same position."
840 "Fix help message MSG for `mouse-1-click-follows-link'."
861 msg)
877 ;; Don't count the mode line.
882 remap-double-click
887 ;; In case the down click is in the middle of some intangible text,
888 ;; use the end of that text, and put it in START-POINT.
904 ;; end-of-range is used only in the single-click case.
905 ;; It is the place where the drag has reached so far
906 ;; (but not outside the window where the drag started).
915 nil
922 ;; Are we moving within the original window?
925 ;; Go to START-POINT first, so that when we move to END-POINT,
926 ;; if it's in the middle of intangible text,
927 ;; point jumps in the direction away from START-POINT.
941 mouse-drag-overlay start-point)
942 ;; Without this, point tends to jump back to the starting
943 ;; position where the mouse button was pressed down.
947 mouse-drag-overlay start-point)
950 ;; In case we did not get a mouse-motion event
951 ;; for the final move of the mouse before a drag event
952 ;; pretend that we did get one.
958 ;; Go to START-POINT first, so that when we move to END-POINT,
959 ;; if it's in the middle of intangible text,
960 ;; point jumps in the direction away from START-POINT.
970 ;; Run the binding of the terminating up-event, if possible.
971 ;; In the case of a multiple click, it gives the wrong results,
972 ;; because it would fail to set up a region.
978 last-end-point))
979 ;; The end that comes from where we ended the drag.
980 ;; Point goes here.
985 ;; The end that comes from where we started the drag.
986 ;; Mark goes there.
990 region-termination))
991 last-command this-command)
994 ;; Don't let copy-region-as-kill set deactivate-mark.
1000 ;; mouse-show-mark can call read-event,
1001 ;; and that means the Emacs server could switch buffers
1002 ;; under us. If that happened,
1003 ;; avoid trying to use the region.
1008 ;; Run the binding of the terminating up-event.
1011 ;; Don't run the up-event handler if the
1012 ;; window start changed in a redisplay after
1013 ;; the mouse-set-point for the down-mouse
1014 ;; event at the beginning of this function.
1015 ;; When the window start has changed, the
1016 ;; up-mouse event will contain a different
1017 ;; position due to the new window contents,
1018 ;; and point is set again.
1021 start-window-start)))
1047 \f
1048 ;; Commands to handle xterm-style multiple clicks.
1051 "Skip over word, over whitespace, or over identical punctuation.
1052 If DIR is positive skip forward; if negative, skip backward."
1056 ;; Here, we can't use skip-syntax-forward/backward because
1057 ;; they don't pay attention to word-separating-categories,
1058 ;; and thus they will skip over a true word boundary. So,
1059 ;; we simularte the original behaviour by using
1060 ;; forward-word.
1082 "Return a list of region bounds based on START and END according to MODE.
1083 If MODE is 0 then set point to (min START END), mark to (max START END).
1084 If MODE is 1 then set point to start of word at (min START END),
1085 mark to end of word at (max START END).
1086 If MODE is 2 then do the same for lines."
1090 end temp)))
1155 \f
1156 ;; Subroutine: set the mark where CLICK happened,
1157 ;; but don't do anything else.
1174 ;; Use reverse, not nreverse, since event-modifiers
1175 ;; does not copy the list it returns.
1178 event)))
1182 t
1184 nil)))
1186 ;; Momentarily show where the mark is, if highlighting doesn't show it.
1189 "List of keys which shall cause the mouse region to be deleted.")
1191 (defun mouse-show-mark ()
1192 (let ((inhibit-quit t)
1193 (echo-keystrokes 0)
1194 event events key ignore
1195 (x-lost-selection-functions
1196 (when (boundp 'x-lost-selection-functions)
1197 (copy-sequence x-lost-selection-functions))))
1198 (add-hook 'x-lost-selection-functions
1199 (lambda (seltype)
1200 (when (eq seltype 'PRIMARY)
1201 (setq ignore t)
1202 (throw 'mouse-show-mark t))))
1203 (if transient-mark-mode
1204 (delete-overlay mouse-drag-overlay)
1205 (move-overlay mouse-drag-overlay (point) (mark t)))
1206 (catch 'mouse-show-mark
1207 ;; In this loop, execute scroll bar and switch-frame events.
1208 ;; Should we similarly handle `select-window' events? --Stef
1209 ;; Also ignore down-events that are undefined.
1210 (while (progn (setq event (read-event))
1211 (setq events (append events (list event)))
1212 (setq key (apply 'vector events))
1213 (or (and (consp event)
1214 (eq (car event) 'switch-frame))
1215 (and (consp event)
1216 (eq (posn-point (event-end event))
1217 'vertical-scroll-bar))
1218 (and (memq 'down (event-modifiers event))
1219 (not (key-binding key))
1220 (not (mouse-undouble-last-event events))
1221 (not (member key mouse-region-delete-keys)))))
1222 (and (consp event)
1223 (or (eq (car event) 'switch-frame)
1224 (eq (posn-point (event-end event))
1225 'vertical-scroll-bar))
1226 (let ((keys (vector 'vertical-scroll-bar event)))
1227 (and (key-binding keys)
1228 (progn
1229 (call-interactively (key-binding keys)
1230 nil keys)
1231 (setq events nil)))))))
1232 ;; If we lost the selection, just turn off the highlighting.
1233 (unless ignore
1234 ;; For certain special keys, delete the region.
1235 (if (member key mouse-region-delete-keys)
1236 (delete-region (mark t) (point))
1237 ;; Otherwise, unread the key so it gets executed normally.
1238 (setq unread-command-events
1239 (nconc events unread-command-events))))
1240 (setq quit-flag nil)
1241 (unless transient-mark-mode
1242 (delete-overlay mouse-drag-overlay))))
1244 (defun mouse-set-mark (click)
1245 "Set mark at the position clicked on with the mouse.
1246 Display cursor at that position for a second.
1247 This must be bound to a mouse click."
1248 (interactive "e")
1249 (mouse-minibuffer-check click)
1250 (select-window (posn-window (event-start click)))
1251 ;; We don't use save-excursion because that preserves the mark too.
1252 (let ((point-save (point)))
1253 (unwind-protect
1254 (progn (mouse-set-point click)
1255 (push-mark nil t t)
1256 (or transient-mark-mode
1257 (sit-for 1)))
1258 (goto-char point-save))))
1260 (defun mouse-kill (click)
1261 "Kill the region between point and the mouse click.
1263 (interactive "e")
1264 (mouse-minibuffer-check click)
1265 (let* ((posn (event-start click))
1266 (click-posn (posn-point posn)))
1267 (select-window (posn-window posn))
1268 (if (numberp click-posn)
1269 (kill-region (min (point) click-posn)
1270 (max (point) click-posn)))))
1272 (defun mouse-yank-at-click (click arg)
1273 "Insert the last stretch of killed text at the position clicked on.
1274 Also move point to one end of the text thus inserted (normally the end),
1275 and set mark at the beginning.
1277 If `mouse-yank-at-point' is non-nil, insert at point
1278 regardless of where you click."
1280 ;; Give temporary modes such as isearch a chance to turn off.
1281 (run-hooks 'mouse-leave-buffer-hook)
1282 (or mouse-yank-at-point (mouse-set-point click))
1283 (setq this-command 'yank)
1284 (setq mouse-selection-click-count 0)
1285 (yank arg))
1287 (defun mouse-kill-ring-save (click)
1288 "Copy the region between point and the mouse click in the kill ring.
1290 (interactive "e")
1291 (mouse-set-mark-fast click)
1292 (let (this-command last-command)
1293 (kill-ring-save (point) (mark t)))
1294 (mouse-show-mark))
1296 ;;; This function used to delete the text between point and the mouse
1297 ;;; whenever it was equal to the front of the kill ring, but some
1298 ;;; people found that confusing.
1300 ;;; A list (TEXT START END), describing the text and position of the last
1301 ;;; invocation of mouse-save-then-kill.
1302 (defvar mouse-save-then-kill-posn nil)
1304 (defun mouse-save-then-kill-delete-region (beg end)
1305 ;; We must make our own undo boundaries
1306 ;; because they happen automatically only for the current buffer.
1307 (undo-boundary)
1308 (if (or (= beg end) (eq buffer-undo-list t))
1309 ;; If we have no undo list in this buffer,
1310 ;; just delete.
1311 (delete-region beg end)
1312 ;; Delete, but make the undo-list entry share with the kill ring.
1313 ;; First, delete just one char, so in case buffer is being modified
1314 ;; for the first time, the undo list records that fact.
1315 (let (before-change-functions after-change-functions)
1316 (delete-region beg
1317 (+ beg (if (> end beg) 1 -1))))
1318 (let ((buffer-undo-list buffer-undo-list))
1319 ;; Undo that deletion--but don't change the undo list!
1320 (let (before-change-functions after-change-functions)
1321 (primitive-undo 1 buffer-undo-list))
1322 ;; Now delete the rest of the specified region,
1323 ;; but don't record it.
1324 (setq buffer-undo-list t)
1325 (if (/= (length (car kill-ring)) (- (max end beg) (min end beg)))
1326 (error "Lossage in mouse-save-then-kill-delete-region"))
1327 (delete-region beg end))
1328 (let ((tail buffer-undo-list))
1329 ;; Search back in buffer-undo-list for the string
1330 ;; that came from deleting one character.
1331 (while (and tail (not (stringp (car (car tail)))))
1332 (setq tail (cdr tail)))
1333 ;; Replace it with an entry for the entire deleted text.
1334 (and tail
1335 (setcar tail (cons (car kill-ring) (min beg end))))))
1336 (undo-boundary))
1338 (defun mouse-save-then-kill (click)
1339 "Save text to point in kill ring; the second time, kill the text.
1340 If the text between point and the mouse is the same as what's
1341 at the front of the kill ring, this deletes the text.
1343 which prepares for a second click to delete the text.
1345 If you have selected words or lines, this command extends the
1346 selection through the word or line clicked on. If you do this
1347 again in a different position, it extends the selection again.
1348 If you do this twice in the same position, the selection is killed."
1349 (interactive "e")
1350 (let ((before-scroll
1351 (with-current-buffer (window-buffer (posn-window (event-start click)))
1352 point-before-scroll)))
1353 (mouse-minibuffer-check click)
1354 (let ((click-posn (posn-point (event-start click)))
1355 ;; Don't let a subsequent kill command append to this one:
1356 ;; prevent setting this-command to kill-region.
1357 (this-command this-command))
1358 (if (and (save-excursion
1359 (set-buffer (window-buffer (posn-window (event-start click))))
1360 (and (mark t) (> (mod mouse-selection-click-count 3) 0)
1361 ;; Don't be fooled by a recent click in some other buffer.
1362 (eq mouse-selection-click-count-buffer
1363 (current-buffer)))))
1364 (if (not (and (eq last-command 'mouse-save-then-kill)
1365 (equal click-posn
1366 (car (cdr-safe (cdr-safe mouse-save-then-kill-posn))))))
1367 ;; Find both ends of the object selected by this click.
1368 (let* ((range
1369 (mouse-start-end click-posn click-posn
1370 mouse-selection-click-count)))
1371 ;; Move whichever end is closer to the click.
1372 ;; That's what xterm does, and it seems reasonable.
1373 (if (< (abs (- click-posn (mark t)))
1374 (abs (- click-posn (point))))
1375 (set-mark (car range))
1376 (goto-char (nth 1 range)))
1377 ;; We have already put the old region in the kill ring.
1378 ;; Replace it with the extended region.
1379 ;; (It would be annoying to make a separate entry.)
1380 (kill-new (buffer-substring (point) (mark t)) t)
1381 (mouse-set-region-1)
1382 ;; Arrange for a repeated mouse-3 to kill this region.
1383 (setq mouse-save-then-kill-posn
1384 (list (car kill-ring) (point) click-posn))
1385 (mouse-show-mark))
1386 ;; If we click this button again without moving it,
1387 ;; that time kill.
1388 (mouse-save-then-kill-delete-region (mark) (point))
1389 (setq mouse-selection-click-count 0)
1390 (setq mouse-save-then-kill-posn nil))
1391 (if (and (eq last-command 'mouse-save-then-kill)
1392 mouse-save-then-kill-posn
1393 (eq (car mouse-save-then-kill-posn) (car kill-ring))
1394 (equal (cdr mouse-save-then-kill-posn) (list (point) click-posn)))
1395 ;; If this is the second time we've called
1396 ;; mouse-save-then-kill, delete the text from the buffer.
1397 (progn
1398 (mouse-save-then-kill-delete-region (point) (mark))
1399 ;; After we kill, another click counts as "the first time".
1400 (setq mouse-save-then-kill-posn nil))
1401 ;; This is not a repetition.
1402 ;; We are adjusting an old selection or creating a new one.
1403 (if (or (and (eq last-command 'mouse-save-then-kill)
1404 mouse-save-then-kill-posn)
1405 (and mark-active transient-mark-mode)
1406 (and (memq last-command
1407 '(mouse-drag-region mouse-set-region))
1408 (or mark-even-if-inactive
1409 (not transient-mark-mode))))
1410 ;; We have a selection or suitable region, so adjust it.
1411 (let* ((posn (event-start click))
1412 (new (posn-point posn)))
1413 (select-window (posn-window posn))
1414 (if (numberp new)
1415 (progn
1416 ;; Move whichever end of the region is closer to the click.
1417 ;; That is what xterm does, and it seems reasonable.
1418 (if (<= (abs (- new (point))) (abs (- new (mark t))))
1419 (goto-char new)
1420 (set-mark new))
1421 (setq deactivate-mark nil)))
1422 (kill-new (buffer-substring (point) (mark t)) t)
1423 (mouse-show-mark))
1424 ;; Set the mark where point is, then move where clicked.
1425 (mouse-set-mark-fast click)
1426 (if before-scroll
1427 (goto-char before-scroll))
1428 (exchange-point-and-mark)
1429 (kill-new (buffer-substring (point) (mark t)))
1430 (mouse-show-mark))
1431 (mouse-set-region-1)
1432 (setq mouse-save-then-kill-posn
1433 (list (car kill-ring) (point) click-posn)))))))
1434 \f
1435 (global-set-key [M-mouse-1] 'mouse-start-secondary)
1436 (global-set-key [M-drag-mouse-1] 'mouse-set-secondary)
1437 (global-set-key [M-down-mouse-1] 'mouse-drag-secondary)
1438 (global-set-key [M-mouse-3] 'mouse-secondary-save-then-kill)
1439 (global-set-key [M-mouse-2] 'mouse-yank-secondary)
1441 ;; An overlay which records the current secondary selection
1442 ;; or else is deleted when there is no secondary selection.
1443 ;; May be nil.
1444 (defvar mouse-secondary-overlay nil)
1446 (defvar mouse-secondary-click-count 0)
1448 ;; A marker which records the specified first end for a secondary selection.
1449 ;; May be nil.
1450 (defvar mouse-secondary-start nil)
1452 (defun mouse-start-secondary (click)
1453 "Set one end of the secondary selection to the position clicked on.
1455 and complete the secondary selection."
1456 (interactive "e")
1457 (mouse-minibuffer-check click)
1458 (let ((posn (event-start click)))
1459 (save-excursion
1460 (set-buffer (window-buffer (posn-window posn)))
1461 ;; Cancel any preexisting secondary selection.
1462 (if mouse-secondary-overlay
1463 (delete-overlay mouse-secondary-overlay))
1464 (if (numberp (posn-point posn))
1465 (progn
1466 (or mouse-secondary-start
1467 (setq mouse-secondary-start (make-marker)))
1468 (move-marker mouse-secondary-start (posn-point posn)))))))
1470 (defun mouse-set-secondary (click)
1471 "Set the secondary selection to the text that the mouse is dragged over.
1472 This must be bound to a mouse drag event."
1473 (interactive "e")
1474 (mouse-minibuffer-check click)
1475 (let ((posn (event-start click))
1476 beg
1477 (end (event-end click)))
1478 (save-excursion
1479 (set-buffer (window-buffer (posn-window posn)))
1480 (if (numberp (posn-point posn))
1481 (setq beg (posn-point posn)))
1482 (if mouse-secondary-overlay
1483 (move-overlay mouse-secondary-overlay beg (posn-point end))
1484 (setq mouse-secondary-overlay (make-overlay beg (posn-point end))))
1485 (overlay-put mouse-secondary-overlay 'face 'secondary-selection))))
1487 (defun mouse-drag-secondary (start-event)
1488 "Set the secondary selection to the text that the mouse is dragged over.
1489 Highlight the drag area as you move the mouse.
1490 This must be bound to a button-down mouse event.
1491 The function returns a non-nil value if it creates a secondary selection."
1492 (interactive "e")
1493 (mouse-minibuffer-check start-event)
1494 (let* ((echo-keystrokes 0)
1495 (start-posn (event-start start-event))
1496 (start-point (posn-point start-posn))
1497 (start-window (posn-window start-posn))
1498 (start-frame (window-frame start-window))
1499 (bounds (window-edges start-window))
1500 (top (nth 1 bounds))
1501 (bottom (if (window-minibuffer-p start-window)
1502 (nth 3 bounds)
1503 ;; Don't count the mode line.
1504 (1- (nth 3 bounds))))
1505 (click-count (1- (event-click-count start-event))))
1506 (save-excursion
1507 (set-buffer (window-buffer start-window))
1508 (setq mouse-secondary-click-count click-count)
1509 (or mouse-secondary-overlay
1510 (setq mouse-secondary-overlay
1511 (make-overlay (point) (point))))
1512 (overlay-put mouse-secondary-overlay 'face 'secondary-selection)
1513 (if (> (mod click-count 3) 0)
1514 ;; Double or triple press: make an initial selection
1515 ;; of one word or line.
1516 (let ((range (mouse-start-end start-point start-point click-count)))
1517 (set-marker mouse-secondary-start nil)
1518 (move-overlay mouse-secondary-overlay 1 1
1519 (window-buffer start-window))
1520 (move-overlay mouse-secondary-overlay (car range) (nth 1 range)
1521 (window-buffer start-window)))
1522 ;; Single-press: cancel any preexisting secondary selection.
1523 (or mouse-secondary-start
1524 (setq mouse-secondary-start (make-marker)))
1525 (set-marker mouse-secondary-start start-point)
1526 (delete-overlay mouse-secondary-overlay))
1527 (let (event end end-point)
1528 (track-mouse
1529 (while (progn
1530 (setq event (read-event))
1531 (or (mouse-movement-p event)
1532 (memq (car-safe event) '(switch-frame select-window))))
1534 (if (memq (car-safe event) '(switch-frame select-window))
1535 nil
1536 (setq end (event-end event)
1537 end-point (posn-point end))
1538 (cond
1539 ;; Are we moving within the original window?
1540 ((and (eq (posn-window end) start-window)
1541 (integer-or-marker-p end-point))
1542 (let ((range (mouse-start-end start-point end-point
1543 click-count)))
1544 (if (or (/= start-point end-point)
1545 (null (marker-position mouse-secondary-start)))
1546 (progn
1547 (set-marker mouse-secondary-start nil)
1548 (move-overlay mouse-secondary-overlay
1549 (car range) (nth 1 range))))))
1550 (t
1551 (let ((mouse-row (cdr (cdr (mouse-position)))))
1552 (cond
1553 ((null mouse-row))
1554 ((< mouse-row top)
1555 (mouse-scroll-subr start-window (- mouse-row top)
1556 mouse-secondary-overlay start-point))
1557 ((>= mouse-row bottom)
1558 (mouse-scroll-subr start-window (1+ (- mouse-row bottom))
1559 mouse-secondary-overlay start-point)))))))))
1561 (if (consp event)
1562 (if (marker-position mouse-secondary-start)
1563 (save-window-excursion
1564 (delete-overlay mouse-secondary-overlay)
1565 (x-set-selection 'SECONDARY nil)
1566 (select-window start-window)
1567 (save-excursion
1568 (goto-char mouse-secondary-start)
1569 (sit-for 1)
1570 nil))
1571 (x-set-selection
1572 'SECONDARY
1573 (buffer-substring (overlay-start mouse-secondary-overlay)
1574 (overlay-end mouse-secondary-overlay)))))))))
1576 (defun mouse-yank-secondary (click)
1577 "Insert the secondary selection at the position clicked on.
1578 Move point to the end of the inserted text.
1579 If `mouse-yank-at-point' is non-nil, insert at point
1580 regardless of where you click."
1581 (interactive "e")
1582 ;; Give temporary modes such as isearch a chance to turn off.
1583 (run-hooks 'mouse-leave-buffer-hook)
1584 (or mouse-yank-at-point (mouse-set-point click))
1585 (insert (x-get-selection 'SECONDARY)))
1587 (defun mouse-kill-secondary ()
1588 "Kill the text in the secondary selection.
1589 This is intended more as a keyboard command than as a mouse command
1590 but it can work as either one.
1592 The current buffer (in case of keyboard use), or the buffer clicked on,
1593 must be the one that the secondary selection is in. This requirement
1594 is to prevent accidents."
1595 (interactive)
1596 (let* ((keys (this-command-keys))
1597 (click (elt keys (1- (length keys)))))
1598 (or (eq (overlay-buffer mouse-secondary-overlay)
1599 (if (listp click)
1600 (window-buffer (posn-window (event-start click)))
1601 (current-buffer)))
1602 (error "Select or click on the buffer where the secondary selection is")))
1603 (let (this-command)
1604 (save-excursion
1605 (set-buffer (overlay-buffer mouse-secondary-overlay))
1606 (kill-region (overlay-start mouse-secondary-overlay)
1607 (overlay-end mouse-secondary-overlay))))
1608 (delete-overlay mouse-secondary-overlay)
1609 ;;; (x-set-selection 'SECONDARY nil)
1610 (setq mouse-secondary-overlay nil))
1612 (defun mouse-secondary-save-then-kill (click)
1613 "Save text to point in kill ring; the second time, kill the text.
1616 you use this command matches the text at the front of the kill ring,
1617 this command deletes the text.
1619 which prepares for a second click with this command to delete the text.
1621 If you have already made a secondary selection in that buffer,
1622 this command extends or retracts the selection to where you click.
1623 If you do this again in a different position, it extends or retracts
1624 again. If you do this twice in the same position, it kills the selection."
1625 (interactive "e")
1626 (mouse-minibuffer-check click)
1627 (let ((posn (event-start click))
1628 (click-posn (posn-point (event-start click)))
1629 ;; Don't let a subsequent kill command append to this one:
1630 ;; prevent setting this-command to kill-region.
1631 (this-command this-command))
1632 (or (eq (window-buffer (posn-window posn))
1633 (or (and mouse-secondary-overlay
1634 (overlay-buffer mouse-secondary-overlay))
1635 (if mouse-secondary-start
1636 (marker-buffer mouse-secondary-start))))
1637 (error "Wrong buffer"))
1638 (save-excursion
1639 (set-buffer (window-buffer (posn-window posn)))
1640 (if (> (mod mouse-secondary-click-count 3) 0)
1641 (if (not (and (eq last-command 'mouse-secondary-save-then-kill)
1642 (equal click-posn
1643 (car (cdr-safe (cdr-safe mouse-save-then-kill-posn))))))
1644 ;; Find both ends of the object selected by this click.
1645 (let* ((range
1646 (mouse-start-end click-posn click-posn
1647 mouse-secondary-click-count)))
1648 ;; Move whichever end is closer to the click.
1649 ;; That's what xterm does, and it seems reasonable.
1650 (if (< (abs (- click-posn (overlay-start mouse-secondary-overlay)))
1651 (abs (- click-posn (overlay-end mouse-secondary-overlay))))
1652 (move-overlay mouse-secondary-overlay (car range)
1653 (overlay-end mouse-secondary-overlay))
1654 (move-overlay mouse-secondary-overlay
1655 (overlay-start mouse-secondary-overlay)
1656 (nth 1 range)))
1657 ;; We have already put the old region in the kill ring.
1658 ;; Replace it with the extended region.
1659 ;; (It would be annoying to make a separate entry.)
1660 (kill-new (buffer-substring
1661 (overlay-start mouse-secondary-overlay)
1662 (overlay-end mouse-secondary-overlay)) t)
1663 ;; Arrange for a repeated mouse-3 to kill this region.
1664 (setq mouse-save-then-kill-posn
1665 (list (car kill-ring) (point) click-posn)))
1666 ;; If we click this button again without moving it,
1667 ;; that time kill.
1668 (progn
1669 (mouse-save-then-kill-delete-region
1670 (overlay-start mouse-secondary-overlay)
1671 (overlay-end mouse-secondary-overlay))
1672 (setq mouse-save-then-kill-posn nil)
1673 (setq mouse-secondary-click-count 0)
1674 (delete-overlay mouse-secondary-overlay)))
1675 (if (and (eq last-command 'mouse-secondary-save-then-kill)
1676 mouse-save-then-kill-posn
1677 (eq (car mouse-save-then-kill-posn) (car kill-ring))
1678 (equal (cdr mouse-save-then-kill-posn) (list (point) click-posn)))
1679 ;; If this is the second time we've called
1680 ;; mouse-secondary-save-then-kill, delete the text from the buffer.
1681 (progn
1682 (mouse-save-then-kill-delete-region
1683 (overlay-start mouse-secondary-overlay)
1684 (overlay-end mouse-secondary-overlay))
1685 (setq mouse-save-then-kill-posn nil)
1686 (delete-overlay mouse-secondary-overlay))
1687 (if (overlay-start mouse-secondary-overlay)
1688 ;; We have a selection, so adjust it.
1689 (progn
1690 (if (numberp click-posn)
1691 (progn
1692 ;; Move whichever end of the region is closer to the click.
1693 ;; That is what xterm does, and it seems reasonable.
1694 (if (< (abs (- click-posn (overlay-start mouse-secondary-overlay)))
1695 (abs (- click-posn (overlay-end mouse-secondary-overlay))))
1696 (move-overlay mouse-secondary-overlay click-posn
1697 (overlay-end mouse-secondary-overlay))
1698 (move-overlay mouse-secondary-overlay
1699 (overlay-start mouse-secondary-overlay)
1700 click-posn))
1701 (setq deactivate-mark nil)))
1702 (if (eq last-command 'mouse-secondary-save-then-kill)
1703 ;; If the front of the kill ring comes from
1704 ;; an immediately previous use of this command,
1705 ;; replace it with the extended region.
1706 ;; (It would be annoying to make a separate entry.)
1707 (kill-new (buffer-substring
1708 (overlay-start mouse-secondary-overlay)
1709 (overlay-end mouse-secondary-overlay)) t)
1710 (let (deactivate-mark)
1711 (copy-region-as-kill (overlay-start mouse-secondary-overlay)
1712 (overlay-end mouse-secondary-overlay)))))
1713 (if mouse-secondary-start
1714 ;; All we have is one end of a selection,
1715 ;; so put the other end here.
1716 (let ((start (+ 0 mouse-secondary-start)))
1717 (kill-ring-save start click-posn)
1718 (if mouse-secondary-overlay
1719 (move-overlay mouse-secondary-overlay start click-posn)
1720 (setq mouse-secondary-overlay (make-overlay start click-posn)))
1721 (overlay-put mouse-secondary-overlay 'face 'secondary-selection))))
1722 (setq mouse-save-then-kill-posn
1723 (list (car kill-ring) (point) click-posn))))
1724 (if (overlay-buffer mouse-secondary-overlay)
1725 (x-set-selection 'SECONDARY
1726 (buffer-substring
1727 (overlay-start mouse-secondary-overlay)
1728 (overlay-end mouse-secondary-overlay)))))))
1729 \f
1730 (defcustom mouse-buffer-menu-maxlen 20
1731 "*Number of buffers in one pane (submenu) of the buffer menu.
1732 If we have lots of buffers, divide them into groups of
1733 `mouse-buffer-menu-maxlen' and make a pane (or submenu) for each one."
1734 :type 'integer
1735 :group 'mouse)
1737 (defcustom mouse-buffer-menu-mode-mult 4
1740 will split the buffer menu by the major modes (see
1741 `mouse-buffer-menu-mode-groups') or just by menu length.
1742 Set to 1 (or even 0!) if you want to group by major mode always, and to
1743 a large number if you prefer a mixed multitude. The default is 4."
1744 :type 'integer
1745 :group 'mouse
1746 :version "20.3")
1748 (defvar mouse-buffer-menu-mode-groups
1751 . "Mail/News")
1753 ("ObjC" . "C")
1754 ("Text" . "Text")
1755 ("Outline" . "Text")
1758 ("Lisp" . "Lisp"))
1760 Each element has the form (REGEXP . GROUPNAME).
1761 If the major mode's name string matches REGEXP, use GROUPNAME instead.")
1763 (defun mouse-buffer-menu (event)
1764 "Pop up a menu of buffers for selection with the mouse.
1765 This switches buffers in the window that you clicked on,
1766 and selects that window."
1767 (interactive "e")
1768 (mouse-minibuffer-check event)
1769 (let ((buffers (buffer-list)) alist menu split-by-major-mode sum-of-squares)
1770 ;; Make an alist of elements that look like (MENU-ITEM . BUFFER).
1771 (let ((tail buffers))
1772 (while tail
1773 ;; Divide all buffers into buckets for various major modes.
1774 ;; Each bucket looks like (MODE NAMESTRING BUFFERS...).
1775 (with-current-buffer (car tail)
1776 (let* ((adjusted-major-mode major-mode) elt)
1777 (let ((tail mouse-buffer-menu-mode-groups))
1778 (while tail
1779 (if (string-match (car (car tail)) mode-name)
1780 (setq adjusted-major-mode (cdr (car tail))))
1781 (setq tail (cdr tail))))
1782 (setq elt (assoc adjusted-major-mode split-by-major-mode))
1783 (if (null elt)
1784 (setq elt (list adjusted-major-mode
1785 (if (stringp adjusted-major-mode)
1786 adjusted-major-mode
1787 mode-name))
1788 split-by-major-mode (cons elt split-by-major-mode)))
1789 (or (memq (car tail) (cdr (cdr elt)))
1790 (setcdr (cdr elt) (cons (car tail) (cdr (cdr elt)))))))
1791 (setq tail (cdr tail))))
1792 ;; Compute the sum of squares of sizes of the major-mode buckets.
1793 (let ((tail split-by-major-mode))
1794 (setq sum-of-squares 0)
1795 (while tail
1796 (setq sum-of-squares
1797 (+ sum-of-squares
1798 (let ((len (length (cdr (cdr (car tail)))))) (* len len))))
1799 (setq tail (cdr tail))))
1800 (if (< (* sum-of-squares mouse-buffer-menu-mode-mult)
1801 (* (length buffers) (length buffers)))
1802 ;; Subdividing by major modes really helps, so let's do it.
1803 (let (subdivided-menus (buffers-left (length buffers)))
1804 ;; Sort the list to put the most popular major modes first.
1805 (setq split-by-major-mode
1806 (sort split-by-major-mode
1807 (function (lambda (elt1 elt2)
1808 (> (length elt1) (length elt2))))))
1809 ;; Make a separate submenu for each major mode
1810 ;; that has more than one buffer,
1811 ;; unless all the remaining buffers are less than 1/10 of them.
1812 (while (and split-by-major-mode
1813 (and (> (length (car split-by-major-mode)) 3)
1814 (> (* buffers-left 10) (length buffers))))
1815 (let ((this-mode-list (mouse-buffer-menu-alist
1816 (cdr (cdr (car split-by-major-mode))))))
1817 (and this-mode-list
1818 (setq subdivided-menus
1819 (cons (cons
1820 (nth 1 (car split-by-major-mode))
1821 this-mode-list)
1822 subdivided-menus))))
1823 (setq buffers-left
1824 (- buffers-left (length (cdr (car split-by-major-mode)))))
1825 (setq split-by-major-mode (cdr split-by-major-mode)))
1826 ;; If any major modes are left over,
1827 ;; make a single submenu for them.
1828 (if split-by-major-mode
1829 (let ((others-list
1830 (mouse-buffer-menu-alist
1831 ;; we don't need split-by-major-mode any more,
1832 ;; so we can ditch it with nconc.
1833 (apply 'nconc (mapcar 'cddr split-by-major-mode)))))
1834 (and others-list
1835 (setq subdivided-menus
1836 (cons (cons "Others" others-list)
1837 subdivided-menus)))))
1838 (setq menu (cons "Buffer Menu" (nreverse subdivided-menus))))
1839 (progn
1840 (setq alist (mouse-buffer-menu-alist buffers))
1841 (setq menu (cons "Buffer Menu"
1842 (mouse-buffer-menu-split "Select Buffer" alist)))))
1843 (let ((buf (x-popup-menu event menu))
1844 (window (posn-window (event-start event))))
1845 (when buf
1846 (select-window
1847 (if (framep window) (frame-selected-window window)
1848 window))
1849 (switch-to-buffer buf)))))
1851 (defun mouse-buffer-menu-alist (buffers)
1852 (let (tail
1853 (maxlen 0)
1854 head)
1855 (setq buffers
1856 (sort buffers
1857 (function (lambda (elt1 elt2)
1858 (string< (buffer-name elt1) (buffer-name elt2))))))
1859 (setq tail buffers)
1860 (while tail
1861 (or (eq ?\ (aref (buffer-name (car tail)) 0))
1862 (setq maxlen
1863 (max maxlen
1864 (length (buffer-name (car tail))))))
1865 (setq tail (cdr tail)))
1866 (setq tail buffers)
1867 (while tail
1868 (let ((elt (car tail)))
1869 (if (/= (aref (buffer-name elt) 0) ?\ )
1870 (setq head
1871 (cons
1872 (cons
1873 (format
1874 (format "%%%ds %%s%%s %%s" maxlen)
1875 (buffer-name elt)
1876 (if (buffer-modified-p elt) "*" " ")
1877 (save-excursion
1878 (set-buffer elt)
1879 (if buffer-read-only "%" " "))
1880 (or (buffer-file-name elt)
1881 (save-excursion
1882 (set-buffer elt)
1883 (if list-buffers-directory
1884 (expand-file-name
1885 list-buffers-directory)))
1886 ""))
1887 elt)
1888 head))))
1889 (setq tail (cdr tail)))
1890 ;; Compensate for the reversal that the above loop does.
1891 (nreverse head)))
1893 (defun mouse-buffer-menu-split (title alist)
1894 ;; If we have lots of buffers, divide them into groups of 20
1895 ;; and make a pane (or submenu) for each one.
1896 (if (> (length alist) (/ (* mouse-buffer-menu-maxlen 3) 2))
1897 (let ((alist alist) sublists next
1898 (i 1))
1899 (while alist
1900 ;; Pull off the next mouse-buffer-menu-maxlen buffers
1901 ;; and make them the next element of sublist.
1902 (setq next (nthcdr mouse-buffer-menu-maxlen alist))
1903 (if next
1904 (setcdr (nthcdr (1- mouse-buffer-menu-maxlen) alist)
1905 nil))
1906 (setq sublists (cons (cons (format "Buffers %d" i) alist)
1907 sublists))
1908 (setq i (1+ i))
1909 (setq alist next))
1910 (nreverse sublists))
1911 ;; Few buffers--put them all in one pane.
1912 (list (cons title alist))))
1913 \f
1914 ;;; These need to be rewritten for the new scroll bar implementation.
1916 ;;;!! ;; Commands for the scroll bar.
1917 ;;;!!
1918 ;;;!! (defun mouse-scroll-down (click)
1919 ;;;!! (interactive "@e")
1920 ;;;!! (scroll-down (1+ (cdr (mouse-coords click)))))
1921 ;;;!!
1922 ;;;!! (defun mouse-scroll-up (click)
1923 ;;;!! (interactive "@e")
1924 ;;;!! (scroll-up (1+ (cdr (mouse-coords click)))))
1925 ;;;!!
1926 ;;;!! (defun mouse-scroll-down-full ()
1927 ;;;!! (interactive "@")
1928 ;;;!! (scroll-down nil))
1929 ;;;!!
1930 ;;;!! (defun mouse-scroll-up-full ()
1931 ;;;!! (interactive "@")
1932 ;;;!! (scroll-up nil))
1933 ;;;!!
1934 ;;;!! (defun mouse-scroll-move-cursor (click)
1935 ;;;!! (interactive "@e")
1936 ;;;!! (move-to-window-line (1+ (cdr (mouse-coords click)))))
1937 ;;;!!
1938 ;;;!! (defun mouse-scroll-absolute (event)
1939 ;;;!! (interactive "@e")
1940 ;;;!! (let* ((pos (car event))
1941 ;;;!! (position (car pos))
1942 ;;;!! (length (car (cdr pos))))
1943 ;;;!! (if (<= length 0) (setq length 1))
1944 ;;;!! (let* ((scale-factor (max 1 (/ length (/ 8000000 (buffer-size)))))
1945 ;;;!! (newpos (* (/ (* (/ (buffer-size) scale-factor)
1946 ;;;!! position)
1947 ;;;!! length)
1948 ;;;!! scale-factor)))
1949 ;;;!! (goto-char newpos)
1950 ;;;!! (recenter '(4)))))
1951 ;;;!!
1952 ;;;!! (defun mouse-scroll-left (click)
1953 ;;;!! (interactive "@e")
1954 ;;;!! (scroll-left (1+ (car (mouse-coords click)))))
1955 ;;;!!
1956 ;;;!! (defun mouse-scroll-right (click)
1957 ;;;!! (interactive "@e")
1958 ;;;!! (scroll-right (1+ (car (mouse-coords click)))))
1959 ;;;!!
1960 ;;;!! (defun mouse-scroll-left-full ()
1961 ;;;!! (interactive "@")
1962 ;;;!! (scroll-left nil))
1963 ;;;!!
1964 ;;;!! (defun mouse-scroll-right-full ()
1965 ;;;!! (interactive "@")
1966 ;;;!! (scroll-right nil))
1967 ;;;!!
1968 ;;;!! (defun mouse-scroll-move-cursor-horizontally (click)
1969 ;;;!! (interactive "@e")
1970 ;;;!! (move-to-column (1+ (car (mouse-coords click)))))
1971 ;;;!!
1972 ;;;!! (defun mouse-scroll-absolute-horizontally (event)
1973 ;;;!! (interactive "@e")
1974 ;;;!! (let* ((pos (car event))
1975 ;;;!! (position (car pos))
1976 ;;;!! (length (car (cdr pos))))
1977 ;;;!! (set-window-hscroll (selected-window) 33)))
1978 ;;;!!
1979 ;;;!! (global-set-key [scroll-bar mouse-1] 'mouse-scroll-up)
1980 ;;;!! (global-set-key [scroll-bar mouse-2] 'mouse-scroll-absolute)
1981 ;;;!! (global-set-key [scroll-bar mouse-3] 'mouse-scroll-down)
1982 ;;;!!
1983 ;;;!! (global-set-key [vertical-slider mouse-1] 'mouse-scroll-move-cursor)
1984 ;;;!! (global-set-key [vertical-slider mouse-2] 'mouse-scroll-move-cursor)
1985 ;;;!! (global-set-key [vertical-slider mouse-3] 'mouse-scroll-move-cursor)
1986 ;;;!!
1987 ;;;!! (global-set-key [thumbup mouse-1] 'mouse-scroll-up-full)
1988 ;;;!! (global-set-key [thumbup mouse-2] 'mouse-scroll-up-full)
1989 ;;;!! (global-set-key [thumbup mouse-3] 'mouse-scroll-up-full)
1990 ;;;!!
1991 ;;;!! (global-set-key [thumbdown mouse-1] 'mouse-scroll-down-full)
1992 ;;;!! (global-set-key [thumbdown mouse-2] 'mouse-scroll-down-full)
1993 ;;;!! (global-set-key [thumbdown mouse-3] 'mouse-scroll-down-full)
1994 ;;;!!
1995 ;;;!! (global-set-key [horizontal-scroll-bar mouse-1] 'mouse-scroll-left)
1996 ;;;!! (global-set-key [horizontal-scroll-bar mouse-2]
1997 ;;;!! 'mouse-scroll-absolute-horizontally)
1998 ;;;!! (global-set-key [horizontal-scroll-bar mouse-3] 'mouse-scroll-right)
1999 ;;;!!
2000 ;;;!! (global-set-key [horizontal-slider mouse-1]
2001 ;;;!! 'mouse-scroll-move-cursor-horizontally)
2002 ;;;!! (global-set-key [horizontal-slider mouse-2]
2003 ;;;!! 'mouse-scroll-move-cursor-horizontally)
2004 ;;;!! (global-set-key [horizontal-slider mouse-3]
2005 ;;;!! 'mouse-scroll-move-cursor-horizontally)
2006 ;;;!!
2007 ;;;!! (global-set-key [thumbleft mouse-1] 'mouse-scroll-left-full)
2008 ;;;!! (global-set-key [thumbleft mouse-2] 'mouse-scroll-left-full)
2009 ;;;!! (global-set-key [thumbleft mouse-3] 'mouse-scroll-left-full)
2010 ;;;!!
2011 ;;;!! (global-set-key [thumbright mouse-1] 'mouse-scroll-right-full)
2012 ;;;!! (global-set-key [thumbright mouse-2] 'mouse-scroll-right-full)
2013 ;;;!! (global-set-key [thumbright mouse-3] 'mouse-scroll-right-full)
2014 ;;;!!
2015 ;;;!! (global-set-key [horizontal-scroll-bar S-mouse-2]
2016 ;;;!! 'mouse-split-window-horizontally)
2017 ;;;!! (global-set-key [mode-line S-mouse-2]
2018 ;;;!! 'mouse-split-window-horizontally)
2019 ;;;!! (global-set-key [vertical-scroll-bar S-mouse-2]
2020 ;;;!! 'mouse-split-window)
2021 \f
2022 ;;;!! ;;;;
2023 ;;;!! ;;;; Here are experimental things being tested. Mouse events
2024 ;;;!! ;;;; are of the form:
2025 ;;;!! ;;;; ((x y) window screen-part key-sequence timestamp)
2026 ;;;!! ;;
2027 ;;;!! ;;;;
2028 ;;;!! ;;;; Dynamically track mouse coordinates
2029 ;;;!! ;;;;
2030 ;;;!! ;;
2031 ;;;!! ;;(defun track-mouse (event)
2032 ;;;!! ;; "Track the coordinates, absolute and relative, of the mouse."
2033 ;;;!! ;; (interactive "@e")
2034 ;;;!! ;; (while mouse-grabbed
2035 ;;;!! ;; (let* ((pos (read-mouse-position (selected-screen)))
2036 ;;;!! ;; (abs-x (car pos))
2037 ;;;!! ;; (abs-y (cdr pos))
2038 ;;;!! ;; (relative-coordinate (coordinates-in-window-p
2039 ;;;!! ;; (list (car pos) (cdr pos))
2040 ;;;!! ;; (selected-window))))
2041 ;;;!! ;; (if (consp relative-coordinate)
2042 ;;;!! ;; (message "mouse: [%d %d], (%d %d)" abs-x abs-y
2043 ;;;!! ;; (car relative-coordinate)
2044 ;;;!! ;; (car (cdr relative-coordinate)))
2045 ;;;!! ;; (message "mouse: [%d %d]" abs-x abs-y)))))
2046 ;;;!!
2047 ;;;!! ;;
2048 ;;;!! ;; Dynamically put a box around the line indicated by point
2049 ;;;!! ;;
2050 ;;;!! ;;
2051 ;;;!! ;;(require 'backquote)
2052 ;;;!! ;;
2053 ;;;!! ;;(defun mouse-select-buffer-line (event)
2054 ;;;!! ;; (interactive "@e")
2055 ;;;!! ;; (let ((relative-coordinate
2056 ;;;!! ;; (coordinates-in-window-p (car event) (selected-window)))
2057 ;;;!! ;; (abs-y (car (cdr (car event)))))
2058 ;;;!! ;; (if (consp relative-coordinate)
2059 ;;;!! ;; (progn
2060 ;;;!! ;; (save-excursion
2061 ;;;!! ;; (move-to-window-line (car (cdr relative-coordinate)))
2062 ;;;!! ;; (x-draw-rectangle
2063 ;;;!! ;; (selected-screen)
2064 ;;;!! ;; abs-y 0
2065 ;;;!! ;; (save-excursion
2066 ;;;!! ;; (move-to-window-line (car (cdr relative-coordinate)))
2067 ;;;!! ;; (end-of-line)
2068 ;;;!! ;; (push-mark nil t)
2069 ;;;!! ;; (beginning-of-line)
2070 ;;;!! ;; (- (region-end) (region-beginning))) 1))
2071 ;;;!! ;; (sit-for 1)
2072 ;;;!! ;; (x-erase-rectangle (selected-screen))))))
2073 ;;;!! ;;
2074 ;;;!! ;;(defvar last-line-drawn nil)
2077 ;;;!! ;;
2078 ;;;!! ;;(defun mouse-boxing (event)
2079 ;;;!! ;; (interactive "@e")
2080 ;;;!! ;; (save-excursion
2081 ;;;!! ;; (let ((screen (selected-screen)))
2082 ;;;!! ;; (while (= (x-mouse-events) 0)
2083 ;;;!! ;; (let* ((pos (read-mouse-position screen))
2084 ;;;!! ;; (abs-x (car pos))
2085 ;;;!! ;; (abs-y (cdr pos))
2086 ;;;!! ;; (relative-coordinate
2087 ;;;!! ;; (coordinates-in-window-p `(,abs-x ,abs-y)
2088 ;;;!! ;; (selected-window)))
2089 ;;;!! ;; (begin-reg nil)
2090 ;;;!! ;; (end-reg nil)
2091 ;;;!! ;; (end-column nil)
2092 ;;;!! ;; (begin-column nil))
2093 ;;;!! ;; (if (and (consp relative-coordinate)
2094 ;;;!! ;; (or (not last-line-drawn)
2095 ;;;!! ;; (not (= last-line-drawn abs-y))))
2096 ;;;!! ;; (progn
2097 ;;;!! ;; (move-to-window-line (car (cdr relative-coordinate)))
2098 ;;;!! ;; (if (= (following-char) 10)
2099 ;;;!! ;; ()
2100 ;;;!! ;; (progn
2101 ;;;!! ;; (setq begin-reg (1- (re-search-forward end-delim)))
2102 ;;;!! ;; (setq begin-column (1- (current-column)))
2103 ;;;!! ;; (end-of-line)
2104 ;;;!! ;; (setq end-reg (1+ (re-search-backward begin-delim)))
2105 ;;;!! ;; (setq end-column (1+ (current-column)))
2106 ;;;!! ;; (message "%s" (buffer-substring begin-reg end-reg))
2107 ;;;!! ;; (x-draw-rectangle screen
2108 ;;;!! ;; (setq last-line-drawn abs-y)
2109 ;;;!! ;; begin-column
2110 ;;;!! ;; (- end-column begin-column) 1))))))))))
2111 ;;;!! ;;
2112 ;;;!! ;;(defun mouse-erase-box ()
2113 ;;;!! ;; (interactive)
2114 ;;;!! ;; (if last-line-drawn
2115 ;;;!! ;; (progn
2116 ;;;!! ;; (x-erase-rectangle (selected-screen))
2117 ;;;!! ;; (setq last-line-drawn nil))))
2118 ;;;!!
2119 ;;;!! ;;; (defun test-x-rectangle ()
2120 ;;;!! ;;; (use-local-mouse-map (setq rectangle-test-map (make-sparse-keymap)))
2121 ;;;!! ;;; (define-key rectangle-test-map mouse-motion-button-left 'mouse-boxing)
2122 ;;;!! ;;; (define-key rectangle-test-map mouse-button-left-up 'mouse-erase-box))
2123 ;;;!!
2124 ;;;!! ;;
2125 ;;;!! ;; Here is how to do double clicking in lisp. About to change.
2126 ;;;!! ;;
2127 ;;;!!
2128 ;;;!! (defvar double-start nil)
2129 ;;;!! (defconst double-click-interval 300
2130 ;;;!! "Max ticks between clicks")
2131 ;;;!!
2132 ;;;!! (defun double-down (event)
2133 ;;;!! (interactive "@e")
2134 ;;;!! (if double-start
2135 ;;;!! (let ((interval (- (nth 4 event) double-start)))
2136 ;;;!! (if (< interval double-click-interval)
2137 ;;;!! (progn
2138 ;;;!! (backward-up-list 1)
2139 ;;;!! ;; (message "Interval %d" interval)
2140 ;;;!! (sleep-for 1)))
2141 ;;;!! (setq double-start nil))
2142 ;;;!! (setq double-start (nth 4 event))))
2143 ;;;!!
2144 ;;;!! (defun double-up (event)
2145 ;;;!! (interactive "@e")
2146 ;;;!! (and double-start
2147 ;;;!! (> (- (nth 4 event ) double-start) double-click-interval)
2148 ;;;!! (setq double-start nil)))
2149 ;;;!!
2150 ;;;!! ;;; (defun x-test-doubleclick ()
2151 ;;;!! ;;; (use-local-mouse-map (setq doubleclick-test-map (make-sparse-keymap)))
2152 ;;;!! ;;; (define-key doubleclick-test-map mouse-button-left 'double-down)
2153 ;;;!! ;;; (define-key doubleclick-test-map mouse-button-left-up 'double-up))
2154 ;;;!!
2155 ;;;!! ;;
2156 ;;;!! ;; This scrolls while button is depressed. Use preferable in scroll bar.
2157 ;;;!! ;;
2158 ;;;!!
2159 ;;;!! (defvar scrolled-lines 0)
2160 ;;;!! (defconst scroll-speed 1)
2161 ;;;!!
2162 ;;;!! (defun incr-scroll-down (event)
2163 ;;;!! (interactive "@e")
2164 ;;;!! (setq scrolled-lines 0)
2165 ;;;!! (incremental-scroll scroll-speed))
2166 ;;;!!
2167 ;;;!! (defun incr-scroll-up (event)
2168 ;;;!! (interactive "@e")
2169 ;;;!! (setq scrolled-lines 0)
2170 ;;;!! (incremental-scroll (- scroll-speed)))
2171 ;;;!!
2172 ;;;!! (defun incremental-scroll (n)
2173 ;;;!! (while (= (x-mouse-events) 0)
2174 ;;;!! (setq scrolled-lines (1+ (* scroll-speed scrolled-lines)))
2175 ;;;!! (scroll-down n)
2176 ;;;!! (sit-for 300 t)))
2177 ;;;!!
2178 ;;;!! (defun incr-scroll-stop (event)
2179 ;;;!! (interactive "@e")
2180 ;;;!! (message "Scrolled %d lines" scrolled-lines)
2181 ;;;!! (setq scrolled-lines 0)
2182 ;;;!! (sleep-for 1))
2183 ;;;!!
2184 ;;;!! ;;; (defun x-testing-scroll ()
2185 ;;;!! ;;; (let ((scrolling-map (function mouse-vertical-scroll-bar-prefix)))
2186 ;;;!! ;;; (define-key scrolling-map mouse-button-left 'incr-scroll-down)
2187 ;;;!! ;;; (define-key scrolling-map mouse-button-right 'incr-scroll-up)
2188 ;;;!! ;;; (define-key scrolling-map mouse-button-left-up 'incr-scroll-stop)
2189 ;;;!! ;;; (define-key scrolling-map mouse-button-right-up 'incr-scroll-stop)))
2190 ;;;!!
2191 ;;;!! ;;
2192 ;;;!! ;; Some playthings suitable for picture mode? They need work.
2193 ;;;!! ;;
2194 ;;;!!
2195 ;;;!! (defun mouse-kill-rectangle (event)
2196 ;;;!! "Kill the rectangle between point and the mouse cursor."
2197 ;;;!! (interactive "@e")
2198 ;;;!! (let ((point-save (point)))
2199 ;;;!! (save-excursion
2200 ;;;!! (mouse-set-point event)
2201 ;;;!! (push-mark nil t)
2202 ;;;!! (if (> point-save (point))
2203 ;;;!! (kill-rectangle (point) point-save)
2204 ;;;!! (kill-rectangle point-save (point))))))
2205 ;;;!!
2206 ;;;!! (defun mouse-open-rectangle (event)
2207 ;;;!! "Kill the rectangle between point and the mouse cursor."
2208 ;;;!! (interactive "@e")
2209 ;;;!! (let ((point-save (point)))
2210 ;;;!! (save-excursion
2211 ;;;!! (mouse-set-point event)
2212 ;;;!! (push-mark nil t)
2213 ;;;!! (if (> point-save (point))
2214 ;;;!! (open-rectangle (point) point-save)
2215 ;;;!! (open-rectangle point-save (point))))))
2216 ;;;!!
2217 ;;;!! ;; Must be a better way to do this.
2218 ;;;!!
2219 ;;;!! (defun mouse-multiple-insert (n char)
2220 ;;;!! (while (> n 0)
2221 ;;;!! (insert char)
2222 ;;;!! (setq n (1- n))))
2223 ;;;!!
2224 ;;;!! ;; What this could do is not finalize until button was released.
2225 ;;;!!
2226 ;;;!! (defun mouse-move-text (event)
2227 ;;;!! "Move text from point to cursor position, inserting spaces."
2228 ;;;!! (interactive "@e")
2229 ;;;!! (let* ((relative-coordinate
2230 ;;;!! (coordinates-in-window-p (car event) (selected-window))))
2231 ;;;!! (if (consp relative-coordinate)
2232 ;;;!! (cond ((> (current-column) (car relative-coordinate))
2233 ;;;!! (delete-char
2234 ;;;!! (- (car relative-coordinate) (current-column))))
2235 ;;;!! ((< (current-column) (car relative-coordinate))
2236 ;;;!! (mouse-multiple-insert
2237 ;;;!! (- (car relative-coordinate) (current-column)) " "))
2238 ;;;!! ((= (current-column) (car relative-coordinate)) (ding))))))
2239 \f
2240 ;; Choose a completion with the mouse.
2242 (defun mouse-choose-completion (event)
2243 "Click on an alternative in the `*Completions*' buffer to choose it."
2244 (interactive "e")
2245 ;; Give temporary modes such as isearch a chance to turn off.
2246 (run-hooks 'mouse-leave-buffer-hook)
2247 (let ((buffer (window-buffer))
2248 choice
2249 base-size)
2250 (save-excursion
2251 (set-buffer (window-buffer (posn-window (event-start event))))
2252 (if completion-reference-buffer
2253 (setq buffer completion-reference-buffer))
2254 (setq base-size completion-base-size)
2255 (save-excursion
2256 (goto-char (posn-point (event-start event)))
2257 (let (beg end)
2258 (if (and (not (eobp)) (get-text-property (point) 'mouse-face))
2259 (setq end (point) beg (1+ (point))))
2260 (if (null beg)
2261 (error "No completion here"))
2262 (setq beg (previous-single-property-change beg 'mouse-face))
2263 (setq end (or (next-single-property-change end 'mouse-face)
2264 (point-max)))
2265 (setq choice (buffer-substring beg end)))))
2266 (let ((owindow (selected-window)))
2267 (select-window (posn-window (event-start event)))
2268 (if (and (one-window-p t 'selected-frame)
2269 (window-dedicated-p (selected-window)))
2270 ;; This is a special buffer's frame
2271 (iconify-frame (selected-frame))
2272 (or (window-dedicated-p (selected-window))
2273 (bury-buffer)))
2274 (select-window owindow))
2275 (choose-completion-string choice buffer base-size)))
2276 \f
2277 ;; Font selection.
2279 (defun font-menu-add-default ()
2280 (let* ((default (cdr (assq 'font (frame-parameters (selected-frame)))))
2281 (font-alist x-fixed-font-alist)
2282 (elt (or (assoc "Misc" font-alist) (nth 1 font-alist))))
2283 (if (assoc "Default" elt)
2284 (delete (assoc "Default" elt) elt))
2285 (setcdr elt
2286 (cons (list "Default" default)
2287 (cdr elt)))))
2289 (defvar x-fixed-font-alist
2290 '("Font menu"
2291 ("Misc"
2292 ;; For these, we specify the pixel height and width.
2293 ("fixed" "fixed")
2294 ("6x10" "-misc-fixed-medium-r-normal--10-*-*-*-c-60-iso8859-1" "6x10")
2295 ("6x12"
2296 "-misc-fixed-medium-r-semicondensed--12-*-*-*-c-60-iso8859-1" "6x12")
2297 ("6x13"
2298 "-misc-fixed-medium-r-semicondensed--13-*-*-*-c-60-iso8859-1" "6x13")
2299 ("7x13" "-misc-fixed-medium-r-normal--13-*-*-*-c-70-iso8859-1" "7x13")
2300 ("7x14" "-misc-fixed-medium-r-normal--14-*-*-*-c-70-iso8859-1" "7x14")
2301 ("8x13" "-misc-fixed-medium-r-normal--13-*-*-*-c-80-iso8859-1" "8x13")
2302 ("9x15" "-misc-fixed-medium-r-normal--15-*-*-*-c-90-iso8859-1" "9x15")
2303 ("10x20" "-misc-fixed-medium-r-normal--20-*-*-*-c-100-iso8859-1" "10x20")
2304 ("11x18" "-misc-fixed-medium-r-normal--18-*-*-*-c-110-iso8859-1" "11x18")
2305 ("12x24" "-misc-fixed-medium-r-normal--24-*-*-*-c-120-iso8859-1" "12x24")
2306 ("")
2307 ("clean 5x8"
2308 "-schumacher-clean-medium-r-normal--8-*-*-*-c-50-iso8859-1")
2309 ("clean 6x8"
2310 "-schumacher-clean-medium-r-normal--8-*-*-*-c-60-iso8859-1")
2311 ("clean 8x8"
2312 "-schumacher-clean-medium-r-normal--8-*-*-*-c-80-iso8859-1")
2313 ("clean 8x10"
2314 "-schumacher-clean-medium-r-normal--10-*-*-*-c-80-iso8859-1")
2315 ("clean 8x14"
2316 "-schumacher-clean-medium-r-normal--14-*-*-*-c-80-iso8859-1")
2317 ("clean 8x16"
2318 "-schumacher-clean-medium-r-normal--16-*-*-*-c-80-iso8859-1")
2319 ("")
2320 ("sony 8x16" "-sony-fixed-medium-r-normal--16-*-*-*-c-80-iso8859-1")
2321 ;;; We don't seem to have these; who knows what they are.
2322 ;;; ("fg-18" "fg-18")
2323 ;;; ("fg-25" "fg-25")
2324 ("lucidasanstypewriter-12" "-b&h-lucidatypewriter-medium-r-normal-sans-*-120-*-*-*-*-iso8859-1")
2325 ("lucidasanstypewriter-bold-14" "-b&h-lucidatypewriter-bold-r-normal-sans-*-140-*-*-*-*-iso8859-1")
2326 ("lucidasanstypewriter-bold-24"
2327 "-b&h-lucidatypewriter-bold-r-normal-sans-*-240-*-*-*-*-iso8859-1")
2328 ;;; ("lucidatypewriter-bold-r-24" "-b&h-lucidatypewriter-bold-r-normal-sans-24-240-75-75-m-140-iso8859-1")
2329 ;;; ("fixed-medium-20" "-misc-fixed-medium-*-*-*-20-*-*-*-*-*-*-*")
2330 )
2331 ("Courier"
2332 ;; For these, we specify the point height.
2333 ("8" "-adobe-courier-medium-r-normal--*-80-*-*-m-*-iso8859-1")
2334 ("10" "-adobe-courier-medium-r-normal--*-100-*-*-m-*-iso8859-1")
2335 ("12" "-adobe-courier-medium-r-normal--*-120-*-*-m-*-iso8859-1")
2336 ("14" "-adobe-courier-medium-r-normal--*-140-*-*-m-*-iso8859-1")
2337 ("18" "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1")
2338 ("24" "-adobe-courier-medium-r-normal--*-240-*-*-m-*-iso8859-1")
2339 ("8 bold" "-adobe-courier-bold-r-normal--*-80-*-*-m-*-iso8859-1")
2340 ("10 bold" "-adobe-courier-bold-r-normal--*-100-*-*-m-*-iso8859-1")
2341 ("12 bold" "-adobe-courier-bold-r-normal--*-120-*-*-m-*-iso8859-1")
2342 ("14 bold" "-adobe-courier-bold-r-normal--*-140-*-*-m-*-iso8859-1")
2343 ("18 bold" "-adobe-courier-bold-r-normal--*-180-*-*-m-*-iso8859-1")
2344 ("24 bold" "-adobe-courier-bold-r-normal--*-240-*-*-m-*-iso8859-1")
2345 ("8 slant" "-adobe-courier-medium-o-normal--*-80-*-*-m-*-iso8859-1")
2346 ("10 slant" "-adobe-courier-medium-o-normal--*-100-*-*-m-*-iso8859-1")
2347 ("12 slant" "-adobe-courier-medium-o-normal--*-120-*-*-m-*-iso8859-1")
2348 ("14 slant" "-adobe-courier-medium-o-normal--*-140-*-*-m-*-iso8859-1")
2349 ("18 slant" "-adobe-courier-medium-o-normal--*-180-*-*-m-*-iso8859-1")
2350 ("24 slant" "-adobe-courier-medium-o-normal--*-240-*-*-m-*-iso8859-1")
2351 ("8 bold slant" "-adobe-courier-bold-o-normal--*-80-*-*-m-*-iso8859-1")
2352 ("10 bold slant" "-adobe-courier-bold-o-normal--*-100-*-*-m-*-iso8859-1")
2353 ("12 bold slant" "-adobe-courier-bold-o-normal--*-120-*-*-m-*-iso8859-1")
2354 ("14 bold slant" "-adobe-courier-bold-o-normal--*-140-*-*-m-*-iso8859-1")
2355 ("18 bold slant" "-adobe-courier-bold-o-normal--*-180-*-*-m-*-iso8859-1")
2356 ("24 bold slant" "-adobe-courier-bold-o-normal--*-240-*-*-m-*-iso8859-1"))
2357 )
2358 "X fonts suitable for use in Emacs.")
2360 (defun mouse-set-font (&rest fonts)
2361 "Select an emacs font from a list of known good fonts and fontsets."
2362 (interactive
2363 (progn (unless (display-multi-font-p)
2364 (error "Cannot change fonts on this display"))
2365 (x-popup-menu
2366 (if (listp last-nonmenu-event)
2367 last-nonmenu-event
2368 (list '(0 0) (selected-window)))
2369 ;; Append list of fontsets currently defined.
2370 (append x-fixed-font-alist (list (generate-fontset-menu))))))
2371 (if fonts
2372 (let (font)
2373 (while fonts
2374 (condition-case nil
2375 (progn
2376 (set-default-font (car fonts))
2377 (setq font (car fonts))
2378 (setq fonts nil))
2379 (error
2380 (setq fonts (cdr fonts)))))
2381 (if (null font)
2382 (error "Font not found")))))
2383 \f
2384 ;;; Bindings for mouse commands.
2386 (define-key global-map [down-mouse-1] 'mouse-drag-region)
2387 (global-set-key [mouse-1] 'mouse-set-point)
2388 (global-set-key [drag-mouse-1] 'mouse-set-region)
2390 ;; These are tested for in mouse-drag-region.
2391 (global-set-key [double-mouse-1] 'mouse-set-point)
2392 (global-set-key [triple-mouse-1] 'mouse-set-point)
2394 ;; Clicking on the fringes causes hscrolling:
2395 (global-set-key [left-fringe mouse-1] 'mouse-set-point)
2396 (global-set-key [right-fringe mouse-1] 'mouse-set-point)
2398 (global-set-key [mouse-2] 'mouse-yank-at-click)
2399 (global-set-key [mouse-3] 'mouse-save-then-kill)
2401 ;; By binding these to down-going events, we let the user use the up-going
2402 ;; event to make the selection, saving a click.
2403 (global-set-key [C-down-mouse-1] 'mouse-buffer-menu)
2404 (if (not (eq system-type 'ms-dos))
2405 (global-set-key [S-down-mouse-1] 'mouse-set-font))
2406 ;; C-down-mouse-2 is bound in facemenu.el.
2407 (global-set-key [C-down-mouse-3] 'mouse-popup-menubar-stuff)
2410 ;; Replaced with dragging mouse-1
2411 ;; (global-set-key [S-mouse-1] 'mouse-set-mark)
2413 ;; Binding mouse-1 to mouse-select-window when on mode-, header-, or
2414 ;; vertical-line prevents Emacs from signaling an error when the mouse
2415 ;; button is released after dragging these lines, on non-toolkit
2416 ;; versions.
2417 (global-set-key [mode-line mouse-1] 'mouse-select-window)
2418 (global-set-key [mode-line drag-mouse-1] 'mouse-select-window)
2419 (global-set-key [mode-line down-mouse-1] 'mouse-drag-mode-line)
2420 (global-set-key [header-line down-mouse-1] 'mouse-drag-header-line)
2421 (global-set-key [header-line mouse-1] 'mouse-select-window)
2422 (global-set-key [mode-line mouse-2] 'mouse-delete-other-windows)
2423 (global-set-key [mode-line mouse-3] 'mouse-delete-window)
2424 (global-set-key [mode-line C-mouse-2] 'mouse-split-window-horizontally)
2425 (global-set-key [vertical-scroll-bar C-mouse-2] 'mouse-split-window-vertically)
2426 (global-set-key [vertical-line C-mouse-2] 'mouse-split-window-vertically)
2427 (global-set-key [vertical-line down-mouse-1] 'mouse-drag-vertical-line)
2428 (global-set-key [vertical-line mouse-1] 'mouse-select-window)
2430 (provide 'mouse)
2432 ;; This file contains the functionality of the old mldrag.el.
2433 (defalias 'mldrag-drag-mode-line 'mouse-drag-mode-line)
2434 (defalias 'mldrag-drag-vertical-line 'mouse-drag-vertical-line)
2435 (make-obsolete 'mldrag-drag-mode-line 'mouse-drag-mode-line "21.1")
2436 (make-obsolete 'mldrag-drag-vertical-line 'mouse-drag-vertical-line "21.1")
2437 (provide 'mldrag)
2439 ;;; arch-tag: 9a710ce1-914a-4923-9b81-697f7bf82ab3
2440 ;;; mouse.el ends here