| blob | 9057e781d5d6802c3c5bfc4779683bd90876e91b |
1 ;;; mouse.el --- window system-independent mouse support
3 ;; Copyright (C) 1993, 1994, 1995, 1999 Free Software Foundation, Inc.
5 ;; Maintainer: FSF
6 ;; Keywords: hardware
8 ;; This file is part of GNU Emacs.
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.
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.
20 ;; You should have received a copy of the GNU General Public License
21 ;; along with GNU Emacs; see the file COPYING. If not, write to the
22 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
23 ;; Boston, MA 02111-1307, USA.
25 ;;; Commentary:
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.
33 ;;; Code:
35 ;;; Utility functions.
37 ;;; Indent track-mouse like progn.
41 "*If non-nil, mouse yank commands yank at point instead of at click."
44 \f
45 ;; Provide a mode-specific menu on a mouse button.
48 "Pop up a mode-specific menu of mouse commands.
49 Default to the Edit menu if the major mode doesn't define a menu."
50 ;; Switch to the window clicked on, because otherwise
51 ;; the mode's commands may not make sense.
53 ;; Let the mode update its menus first.
56 ;; returns the prefix we should use (after menu-bar).
57 ;; It is either nil or (SOME-SYMBOL).
59 ;; Keymap from which to inherit; may be null.
63 ;; Make a keymap in which our last command leads to a menu or
64 ;; default to the edit menu.
67 menu-bar-edit-menu))
68 result)
70 ;; Make our menu inherit from the desired keymap which we want
71 ;; to display as the menu now.
77 mouse-major-mode-menu-prefix
78 result)))))
79 ;; Clear out echoing, which perhaps shows a prefix arg.
86 ;; Compute and cache the equivalent keys in MENU and all its submenus.
87 ;;;(defun mouse-major-mode-menu-compute-equiv-keys (menu)
88 ;;; (and (eq (car menu) 'keymap)
89 ;;; (x-popup-menu nil menu))
90 ;;; (while menu
91 ;;; (and (consp (car menu))
92 ;;; (consp (cdr (car menu)))
93 ;;; (let ((tail (cdr (car menu))))
94 ;;; (while (and (consp tail)
95 ;;; (not (eq (car tail) 'keymap)))
96 ;;; (setq tail (cdr tail)))
97 ;;; (if (consp tail)
98 ;;; (mouse-major-mode-menu-compute-equiv-keys tail))))
99 ;;; (setq menu (cdr menu))))
101 ;; Given a mode's menu bar keymap,
102 ;; if it defines exactly one menu bar menu,
103 ;; return just that menu.
104 ;; Otherwise return a menu for all of them.
108 submap)
116 menubar
119 \f
120 ;; Commands that operate on windows.
127 ;; Give temporary modes such as isearch a chance to turn off.
131 "Delete the window you click on.
132 If the frame has just one window, bury the current buffer instead.
133 This command must be bound to a mouse click."
141 "Select the window clicked on; don't move point."
153 "Delete the window clicked on, and create a new frame displaying its buffer."
164 "Delete all window except the one you click on."
169 "Select Emacs window mouse is on, then split it vertically in half.
170 The window is split at the line clicked on.
171 This command must be bound to a mouse click."
185 "Select Emacs window mouse is on, then split it horizontally in half.
186 The window is split at the column clicked on.
187 This command must be bound to a mouse click."
201 "Change the height of a window by dragging on the mode or header line.
202 START-EVENT is the starting mouse-event of the drag action.
203 MODE-LINE-P non-nil means a mode line is dragged."
204 ;; Give temporary modes such as isearch a chance to turn off.
212 should-enlarge-minibuffer
213 event mouse minibuffer y top bot edges wconfig params growth)
218 ;; enlarge-window only works on the selected window, so
219 ;; we must select the window where the start event originated.
220 ;; unwind-protect will restore the old selected window later.
222 ;; if this is the bottommost ordinary window, then to
223 ;; move its modeline the minibuffer must be enlarged.
226 mode-line-p
230 ;; loop reading events and sampling the position of
231 ;; the mouse.
235 ;; do nothing if
236 ;; - there is a switch-frame event.
237 ;; - the mouse isn't in the frame that we started in
238 ;; - the mouse isn't in any Emacs frame
239 ;; drag if
240 ;; - there is a mouse-movement event
241 ;; - there is a scroll-bar-movement event
242 ;; (same as mouse movement for our purposes)
243 ;; quit if
244 ;; - there is a keyboard event or some other unknown event
245 ;; unknown event.
249 nil)
257 nil)
259 nil)
266 ;; compute size change needed
268 ;; Scale back a move that would make the
269 ;; window too short.
279 ;; Check for an error case.
285 ;; grow/shrink minibuffer?
288 ;; yes. briefly select minibuffer so
289 ;; enlarge-window will affect the
290 ;; correct window.
292 ;; scale back shrinkage if it would
293 ;; make the minibuffer less than 1
294 ;; line tall.
297 growth)
302 ;; no. grow/shrink the selected window
303 ;; (message "growth = %d" growth)
306 ;; if this window's growth caused another
307 ;; window to be deleted because it was too
308 ;; short, rescind the change.
309 ;;
310 ;; if size change caused space to be stolen
311 ;; from a window above this one, rescind the
312 ;; change, but only if we didn't grow/shrink
313 ;; the minibuffer. minibuffer size changes
314 ;; can cause all windows to shrink... no way
315 ;; around it.
318 mode-line-p
323 "Change the height of a window by dragging on the mode line."
328 "Change the height of a window by dragging on the header line."
332 \f
334 "Change the width of a window by dragging on the vertical line."
336 ;; Give temporary modes such as isearch a chance to turn off.
344 event mouse x left right edges wconfig growth
358 ;; enlarge-window only works on the selected window, so
359 ;; we must select the window where the start event originated.
360 ;; unwind-protect will restore the old selected window later.
362 ;; loop reading events and sampling the position of
363 ;; the mouse.
367 ;; do nothing if
368 ;; - there is a switch-frame event.
369 ;; - the mouse isn't in the frame that we started in
370 ;; - the mouse isn't in any Emacs frame
371 ;; drag if
372 ;; - there is a mouse-movement event
373 ;; - there is a scroll-bar-movement event
374 ;; (same as mouse movement for our purposes)
375 ;; quit if
376 ;; - there is a keyboard event or some other unknown event
377 ;; unknown event.
381 nil)
389 nil)
391 nil)
394 ;; If the scroll bar is on the window's left,
395 ;; adjust the window on the left.
403 ;; scale back a move that would make the
404 ;; window too thin.
407 ;; compute size change needed
411 ;; if this window's growth caused another
412 ;; window to be deleted because it was too
413 ;; thin, rescind the change.
414 ;;
415 ;; if size change caused space to be stolen
416 ;; from a window to the left of this one,
417 ;; rescind the change.
421 \f
423 "Move point to the position clicked on with the mouse.
424 This should be bound to a mouse click event type."
427 ;; Use event-end in case called from mouse-drag-region.
428 ;; If EVENT is a click, event-end and event-start give same value.
441 "Return non-nil if there's an active region that was set with the mouse."
448 "Set the region to the text dragged over, and copy to kill ring.
449 This should be bound to a mouse drag event."
457 ;; If mark is highlighted, no need to bounce the cursor.
458 ;; On X, we highlight while dragging, thus once again no need to bounce.
466 ;; Don't set this-command to kill-region, so that a following
467 ;; C-w will not double the text in the kill ring.
468 ;; Ignore last-command so we don't append to a preceding kill.
479 "*The pause between scroll steps caused by mouse drags, in seconds.
480 If you drag the mouse beyond the edge of a window, Emacs scrolls the
481 window to bring the text beyond that edge into view, with a delay of
482 this many seconds between scroll steps. Scrolling stops when you move
483 the mouse back into the window, or release the button.
484 This variable's value may be non-integral.
485 Setting this to zero causes Emacs to scroll as fast as it can."
490 "*The minimum number of lines scrolled by dragging mouse out of window.
491 Moving the mouse out the top or bottom edge of the window begins
492 scrolling repeatedly. The number of lines scrolled per repetition
493 is normally equal to the number of lines beyond the window edge that
494 the mouse has moved. However, it always scrolls at least the number
495 of lines specified by this variable."
500 "Scroll the window WINDOW, JUMP lines at a time, until new input arrives.
501 If OVERLAY is an overlay, let it stretch from START to the far edge of
502 the newly visible text.
503 Upon exit, point is at the far edge of the newly visible text."
519 ;; window-end doesn't reflect the window's new
520 ;; start position until the next redisplay.
526 ;; Now that we have scrolled WINDOW properly,
527 ;; put point back where it was for the redisplay
528 ;; so that we don't mess up the selected window.
535 ;; Create an overlay and immediately delete it, to get "overlay in no buffer".
545 "Set the region to the text that the mouse is dragged over.
546 Highlight the drag area as you move the mouse.
547 This must be bound to a button-down mouse event.
548 In Transient Mark mode, the highlighting remains as long as the mark
549 remains active. Otherwise, it remains until the next input event."
562 ;; Don't count the mode line.
568 ;; In case the down click is in the middle of some intangible text,
569 ;; use the end of that text, and put it in START-POINT.
577 ;; end-of-range is used only in the single-click case.
578 ;; It is the place where the drag has reached so far
579 ;; (but not outside the window where the drag started).
587 nil
594 ;; Are we moving within the original window?
597 ;; Go to START-POINT first, so that when we move to END-POINT,
598 ;; if it's in the middle of intangible text,
599 ;; point jumps in the direction away from START-POINT.
613 mouse-drag-overlay start-point)
614 ;; Without this, point tends to jump back to the starting
615 ;; position where the mouse button was pressed down.
619 mouse-drag-overlay start-point)
621 ;; In case we did not get a mouse-motion event
622 ;; for the final move of the mouse before a drag event
623 ;; pretend that we did get one.
630 ;; Go to START-POINT first, so that when we move to END-POINT,
631 ;; if it's in the middle of intangible text,
632 ;; point jumps in the direction away from START-POINT.
642 ;; Run the binding of the terminating up-event, if possible.
643 ;; In the case of a multiple click, it gives the wrong results,
644 ;; because it would fail to set up a region.
650 last-end-point))
651 ;; The end that comes from where we ended the drag.
652 ;; Point goes here.
657 ;; The end that comes from where we started the drag.
658 ;; Mark goes there.
662 region-termination))
663 last-command this-command)
666 ;; Don't let copy-region-as-kill set deactivate-mark.
671 ;; mouse-show-mark can call read-event,
672 ;; and that means the Emacs server could switch buffers
673 ;; under us. If that happened,
674 ;; avoid trying to use the region.
679 ;; Run the binding of the terminating up-event.
685 \f
686 ;; Commands to handle xterm-style multiple clicks.
689 "Skip over word, over whitespace, or over identical punctuation.
690 If DIR is positive skip forward; if negative, skip backward."
694 ;; Here, we can't use skip-syntax-forward/backward because
695 ;; they don't pay attention to word-separating-categories,
696 ;; and thus they will skip over a true word boundary. So,
697 ;; we simularte the original behaviour by using
698 ;; forward-word.
719 ;; Return a list of region bounds based on START and END according to MODE.
720 ;; If MODE is 0 then set point to (min START END), mark to (max START END).
721 ;; If MODE is 1 then set point to start of word at (min START END),
722 ;; mark to end of word at (max START END).
723 ;; If MODE is 2 then do the same for lines.
728 end temp)))
793 \f
794 ;; Subroutine: set the mark where CLICK happened,
795 ;; but don't do anything else.
812 ;; Use reverse, not nreverse, since event-modifiers
813 ;; does not copy the list it returns.
816 event)))
820 t
822 nil)))
824 ;; Momentarily show where the mark is, if highlighting doesn't show it.
827 "List of keys which shall cause the mouse region to be deleted.")
829 (defun mouse-show-mark ()
830 (if transient-mark-mode
831 (delete-overlay mouse-drag-overlay)
832 (let ((inhibit-quit t)
833 (echo-keystrokes 0)
834 event events key ignore
835 x-lost-selection-hooks)
836 (add-hook 'x-lost-selection-hooks
837 (lambda (seltype)
838 (if (eq seltype 'PRIMARY)
839 (progn (setq ignore t)
840 (throw 'mouse-show-mark t)))))
841 (move-overlay mouse-drag-overlay (point) (mark t))
842 (catch 'mouse-show-mark
843 ;; In this loop, execute scroll bar and switch-frame events.
844 ;; Also ignore down-events that are undefined.
845 (while (progn (setq event (read-event))
846 (setq events (append events (list event)))
847 (setq key (apply 'vector events))
848 (or (and (consp event)
849 (eq (car event) 'switch-frame))
850 (and (consp event)
851 (eq (posn-point (event-end event))
852 'vertical-scroll-bar))
853 (and (memq 'down (event-modifiers event))
854 (not (key-binding key))
855 (not (mouse-undouble-last-event events))
856 (not (member key mouse-region-delete-keys)))))
857 (and (consp event)
858 (or (eq (car event) 'switch-frame)
859 (eq (posn-point (event-end event))
860 'vertical-scroll-bar))
861 (let ((keys (vector 'vertical-scroll-bar event)))
862 (and (key-binding keys)
863 (progn
864 (call-interactively (key-binding keys)
865 nil keys)
866 (setq events nil)))))))
867 ;; If we lost the selection, just turn off the highlighting.
868 (if ignore
869 nil
870 ;; For certain special keys, delete the region.
871 (if (member key mouse-region-delete-keys)
872 (delete-region (overlay-start mouse-drag-overlay)
873 (overlay-end mouse-drag-overlay))
874 ;; Otherwise, unread the key so it gets executed normally.
875 (setq unread-command-events
876 (nconc events unread-command-events))))
877 (setq quit-flag nil)
878 (delete-overlay mouse-drag-overlay))
879 (save-excursion
880 (goto-char (mark t))
881 (sit-for 1))))
883 (defun mouse-set-mark (click)
884 "Set mark at the position clicked on with the mouse.
885 Display cursor at that position for a second.
886 This must be bound to a mouse click."
887 (interactive "e")
888 (mouse-minibuffer-check click)
889 (select-window (posn-window (event-start click)))
890 ;; We don't use save-excursion because that preserves the mark too.
891 (let ((point-save (point)))
892 (unwind-protect
893 (progn (mouse-set-point click)
894 (push-mark nil t t)
895 (or transient-mark-mode
896 (sit-for 1)))
897 (goto-char point-save))))
899 (defun mouse-kill (click)
900 "Kill the region between point and the mouse click.
902 (interactive "e")
903 (mouse-minibuffer-check click)
904 (let* ((posn (event-start click))
905 (click-posn (posn-point posn)))
906 (select-window (posn-window posn))
907 (if (numberp click-posn)
908 (kill-region (min (point) click-posn)
909 (max (point) click-posn)))))
911 (defun mouse-yank-at-click (click arg)
912 "Insert the last stretch of killed text at the position clicked on.
913 Also move point to one end of the text thus inserted (normally the end),
914 and set mark at the beginning..
916 If `mouse-yank-at-point' is non-nil, insert at point
917 regardless of where you click."
919 ;; Give temporary modes such as isearch a chance to turn off.
920 (run-hooks 'mouse-leave-buffer-hook)
921 (or mouse-yank-at-point (mouse-set-point click))
922 (setq this-command 'yank)
923 (setq mouse-selection-click-count 0)
924 (yank arg))
926 (defun mouse-kill-ring-save (click)
927 "Copy the region between point and the mouse click in the kill ring.
929 (interactive "e")
930 (mouse-set-mark-fast click)
931 (let (this-command last-command)
932 (kill-ring-save (point) (mark t)))
933 (mouse-show-mark))
935 ;;; This function used to delete the text between point and the mouse
936 ;;; whenever it was equal to the front of the kill ring, but some
937 ;;; people found that confusing.
939 ;;; A list (TEXT START END), describing the text and position of the last
940 ;;; invocation of mouse-save-then-kill.
941 (defvar mouse-save-then-kill-posn nil)
943 (defun mouse-save-then-kill-delete-region (beg end)
944 ;; We must make our own undo boundaries
945 ;; because they happen automatically only for the current buffer.
946 (undo-boundary)
947 (if (or (= beg end) (eq buffer-undo-list t))
948 ;; If we have no undo list in this buffer,
949 ;; just delete.
950 (delete-region beg end)
951 ;; Delete, but make the undo-list entry share with the kill ring.
952 ;; First, delete just one char, so in case buffer is being modified
953 ;; for the first time, the undo list records that fact.
954 (let (before-change-functions after-change-functions)
955 (delete-region beg
956 (+ beg (if (> end beg) 1 -1))))
957 (let ((buffer-undo-list buffer-undo-list))
958 ;; Undo that deletion--but don't change the undo list!
959 (let (before-change-functions after-change-functions)
960 (primitive-undo 1 buffer-undo-list))
961 ;; Now delete the rest of the specified region,
962 ;; but don't record it.
963 (setq buffer-undo-list t)
964 (if (/= (length (car kill-ring)) (- (max end beg) (min end beg)))
965 (error "Lossage in mouse-save-then-kill-delete-region"))
966 (delete-region beg end))
967 (let ((tail buffer-undo-list))
968 ;; Search back in buffer-undo-list for the string
969 ;; that came from deleting one character.
970 (while (and tail (not (stringp (car (car tail)))))
971 (setq tail (cdr tail)))
972 ;; Replace it with an entry for the entire deleted text.
973 (and tail
974 (setcar tail (cons (car kill-ring) (min beg end))))))
975 (undo-boundary))
977 (defun mouse-save-then-kill (click)
978 "Save text to point in kill ring; the second time, kill the text.
979 If the text between point and the mouse is the same as what's
980 at the front of the kill ring, this deletes the text.
982 which prepares for a second click to delete the text.
984 If you have selected words or lines, this command extends the
985 selection through the word or line clicked on. If you do this
986 again in a different position, it extends the selection again.
987 If you do this twice in the same position, the selection is killed."
988 (interactive "e")
989 (let ((before-scroll
990 (with-current-buffer (window-buffer (posn-window (event-start click)))
991 point-before-scroll)))
992 (mouse-minibuffer-check click)
993 (let ((click-posn (posn-point (event-start click)))
994 ;; Don't let a subsequent kill command append to this one:
995 ;; prevent setting this-command to kill-region.
996 (this-command this-command))
997 (if (and (save-excursion
998 (set-buffer (window-buffer (posn-window (event-start click))))
999 (and (mark t) (> (mod mouse-selection-click-count 3) 0)
1000 ;; Don't be fooled by a recent click in some other buffer.
1001 (eq mouse-selection-click-count-buffer
1002 (current-buffer)))))
1003 (if (not (and (eq last-command 'mouse-save-then-kill)
1004 (equal click-posn
1005 (car (cdr-safe (cdr-safe mouse-save-then-kill-posn))))))
1006 ;; Find both ends of the object selected by this click.
1007 (let* ((range
1008 (mouse-start-end click-posn click-posn
1009 mouse-selection-click-count)))
1010 ;; Move whichever end is closer to the click.
1011 ;; That's what xterm does, and it seems reasonable.
1012 (if (< (abs (- click-posn (mark t)))
1013 (abs (- click-posn (point))))
1014 (set-mark (car range))
1015 (goto-char (nth 1 range)))
1016 ;; We have already put the old region in the kill ring.
1017 ;; Replace it with the extended region.
1018 ;; (It would be annoying to make a separate entry.)
1019 (kill-new (buffer-substring (point) (mark t)) t)
1020 (mouse-set-region-1)
1021 ;; Arrange for a repeated mouse-3 to kill this region.
1022 (setq mouse-save-then-kill-posn
1023 (list (car kill-ring) (point) click-posn))
1024 (mouse-show-mark))
1025 ;; If we click this button again without moving it,
1026 ;; that time kill.
1027 (mouse-save-then-kill-delete-region (mark) (point))
1028 (setq mouse-selection-click-count 0)
1029 (setq mouse-save-then-kill-posn nil))
1030 (if (and (eq last-command 'mouse-save-then-kill)
1031 mouse-save-then-kill-posn
1032 (eq (car mouse-save-then-kill-posn) (car kill-ring))
1033 (equal (cdr mouse-save-then-kill-posn) (list (point) click-posn)))
1034 ;; If this is the second time we've called
1035 ;; mouse-save-then-kill, delete the text from the buffer.
1036 (progn
1037 (mouse-save-then-kill-delete-region (point) (mark))
1038 ;; After we kill, another click counts as "the first time".
1039 (setq mouse-save-then-kill-posn nil))
1040 ;; This is not a repetition.
1041 ;; We are adjusting an old selection or creating a new one.
1042 (if (or (and (eq last-command 'mouse-save-then-kill)
1043 mouse-save-then-kill-posn)
1044 (and mark-active transient-mark-mode)
1045 (and (memq last-command
1046 '(mouse-drag-region mouse-set-region))
1047 (or mark-even-if-inactive
1048 (not transient-mark-mode))))
1049 ;; We have a selection or suitable region, so adjust it.
1050 (let* ((posn (event-start click))
1051 (new (posn-point posn)))
1052 (select-window (posn-window posn))
1053 (if (numberp new)
1054 (progn
1055 ;; Move whichever end of the region is closer to the click.
1056 ;; That is what xterm does, and it seems reasonable.
1057 (if (< (abs (- new (point))) (abs (- new (mark t))))
1058 (goto-char new)
1059 (set-mark new))
1060 (setq deactivate-mark nil)))
1061 (kill-new (buffer-substring (point) (mark t)) t)
1062 (mouse-show-mark))
1063 ;; Set the mark where point is, then move where clicked.
1064 (mouse-set-mark-fast click)
1065 (if before-scroll
1066 (goto-char before-scroll))
1067 (exchange-point-and-mark)
1068 (kill-new (buffer-substring (point) (mark t)))
1069 (mouse-show-mark))
1070 (mouse-set-region-1)
1071 (setq mouse-save-then-kill-posn
1072 (list (car kill-ring) (point) click-posn)))))))
1073 \f
1074 (global-set-key [M-mouse-1] 'mouse-start-secondary)
1075 (global-set-key [M-drag-mouse-1] 'mouse-set-secondary)
1076 (global-set-key [M-down-mouse-1] 'mouse-drag-secondary)
1077 (global-set-key [M-mouse-3] 'mouse-secondary-save-then-kill)
1078 (global-set-key [M-mouse-2] 'mouse-yank-secondary)
1080 ;; An overlay which records the current secondary selection
1081 ;; or else is deleted when there is no secondary selection.
1082 ;; May be nil.
1083 (defvar mouse-secondary-overlay nil)
1085 (defvar mouse-secondary-click-count 0)
1087 ;; A marker which records the specified first end for a secondary selection.
1088 ;; May be nil.
1089 (defvar mouse-secondary-start nil)
1091 (defun mouse-start-secondary (click)
1092 "Set one end of the secondary selection to the position clicked on.
1094 and complete the secondary selection."
1095 (interactive "e")
1096 (mouse-minibuffer-check click)
1097 (let ((posn (event-start click)))
1098 (save-excursion
1099 (set-buffer (window-buffer (posn-window posn)))
1100 ;; Cancel any preexisting secondary selection.
1101 (if mouse-secondary-overlay
1102 (delete-overlay mouse-secondary-overlay))
1103 (if (numberp (posn-point posn))
1104 (progn
1105 (or mouse-secondary-start
1106 (setq mouse-secondary-start (make-marker)))
1107 (move-marker mouse-secondary-start (posn-point posn)))))))
1109 (defun mouse-set-secondary (click)
1110 "Set the secondary selection to the text that the mouse is dragged over.
1111 This must be bound to a mouse drag event."
1112 (interactive "e")
1113 (mouse-minibuffer-check click)
1114 (let ((posn (event-start click))
1115 beg
1116 (end (event-end click)))
1117 (save-excursion
1118 (set-buffer (window-buffer (posn-window posn)))
1119 (if (numberp (posn-point posn))
1120 (setq beg (posn-point posn)))
1121 (if mouse-secondary-overlay
1122 (move-overlay mouse-secondary-overlay beg (posn-point end))
1123 (setq mouse-secondary-overlay (make-overlay beg (posn-point end))))
1124 (overlay-put mouse-secondary-overlay 'face 'secondary-selection))))
1126 (defun mouse-drag-secondary (start-event)
1127 "Set the secondary selection to the text that the mouse is dragged over.
1128 Highlight the drag area as you move the mouse.
1129 This must be bound to a button-down mouse event.
1130 The function returns a non-nil value if it creates a secondary selection."
1131 (interactive "e")
1132 (mouse-minibuffer-check start-event)
1133 (let* ((echo-keystrokes 0)
1134 (start-posn (event-start start-event))
1135 (start-point (posn-point start-posn))
1136 (start-window (posn-window start-posn))
1137 (start-frame (window-frame start-window))
1138 (bounds (window-edges start-window))
1139 (top (nth 1 bounds))
1140 (bottom (if (window-minibuffer-p start-window)
1141 (nth 3 bounds)
1142 ;; Don't count the mode line.
1143 (1- (nth 3 bounds))))
1144 (click-count (1- (event-click-count start-event))))
1145 (save-excursion
1146 (set-buffer (window-buffer start-window))
1147 (setq mouse-secondary-click-count click-count)
1148 (or mouse-secondary-overlay
1149 (setq mouse-secondary-overlay
1150 (make-overlay (point) (point))))
1151 (overlay-put mouse-secondary-overlay 'face 'secondary-selection)
1152 (if (> (mod click-count 3) 0)
1153 ;; Double or triple press: make an initial selection
1154 ;; of one word or line.
1155 (let ((range (mouse-start-end start-point start-point click-count)))
1156 (set-marker mouse-secondary-start nil)
1157 (move-overlay mouse-secondary-overlay 1 1
1158 (window-buffer start-window))
1159 (move-overlay mouse-secondary-overlay (car range) (nth 1 range)
1160 (window-buffer start-window)))
1161 ;; Single-press: cancel any preexisting secondary selection.
1162 (or mouse-secondary-start
1163 (setq mouse-secondary-start (make-marker)))
1164 (set-marker mouse-secondary-start start-point)
1165 (delete-overlay mouse-secondary-overlay))
1166 (let (event end end-point)
1167 (track-mouse
1168 (while (progn
1169 (setq event (read-event))
1170 (or (mouse-movement-p event)
1171 (eq (car-safe event) 'switch-frame)))
1173 (if (eq (car-safe event) 'switch-frame)
1174 nil
1175 (setq end (event-end event)
1176 end-point (posn-point end))
1177 (cond
1178 ;; Are we moving within the original window?
1179 ((and (eq (posn-window end) start-window)
1180 (integer-or-marker-p end-point))
1181 (let ((range (mouse-start-end start-point end-point
1182 click-count)))
1183 (if (or (/= start-point end-point)
1184 (null (marker-position mouse-secondary-start)))
1185 (progn
1186 (set-marker mouse-secondary-start nil)
1187 (move-overlay mouse-secondary-overlay
1188 (car range) (nth 1 range))))))
1189 (t
1190 (let ((mouse-row (cdr (cdr (mouse-position)))))
1191 (cond
1192 ((null mouse-row))
1193 ((< mouse-row top)
1194 (mouse-scroll-subr start-window (- mouse-row top)
1195 mouse-secondary-overlay start-point))
1196 ((>= mouse-row bottom)
1197 (mouse-scroll-subr start-window (1+ (- mouse-row bottom))
1198 mouse-secondary-overlay start-point)))))))))
1200 (if (consp event)
1201 (if (marker-position mouse-secondary-start)
1202 (save-window-excursion
1203 (delete-overlay mouse-secondary-overlay)
1204 (x-set-selection 'SECONDARY nil)
1205 (select-window start-window)
1206 (save-excursion
1207 (goto-char mouse-secondary-start)
1208 (sit-for 1)
1209 nil))
1210 (x-set-selection
1211 'SECONDARY
1212 (buffer-substring (overlay-start mouse-secondary-overlay)
1213 (overlay-end mouse-secondary-overlay)))))))))
1215 (defun mouse-yank-secondary (click)
1216 "Insert the secondary selection at the position clicked on.
1217 Move point to the end of the inserted text.
1218 If `mouse-yank-at-point' is non-nil, insert at point
1219 regardless of where you click."
1220 (interactive "e")
1221 ;; Give temporary modes such as isearch a chance to turn off.
1222 (run-hooks 'mouse-leave-buffer-hook)
1223 (or mouse-yank-at-point (mouse-set-point click))
1224 (insert (x-get-selection 'SECONDARY)))
1226 (defun mouse-kill-secondary ()
1227 "Kill the text in the secondary selection.
1228 This is intended more as a keyboard command than as a mouse command
1229 but it can work as either one.
1231 The current buffer (in case of keyboard use), or the buffer clicked on,
1232 must be the one that the secondary selection is in. This requirement
1233 is to prevent accidents."
1234 (interactive)
1235 (let* ((keys (this-command-keys))
1236 (click (elt keys (1- (length keys)))))
1237 (or (eq (overlay-buffer mouse-secondary-overlay)
1238 (if (listp click)
1239 (window-buffer (posn-window (event-start click)))
1240 (current-buffer)))
1241 (error "Select or click on the buffer where the secondary selection is")))
1242 (let (this-command)
1243 (save-excursion
1244 (set-buffer (overlay-buffer mouse-secondary-overlay))
1245 (kill-region (overlay-start mouse-secondary-overlay)
1246 (overlay-end mouse-secondary-overlay))))
1247 (delete-overlay mouse-secondary-overlay)
1248 ;;; (x-set-selection 'SECONDARY nil)
1249 (setq mouse-secondary-overlay nil))
1251 (defun mouse-secondary-save-then-kill (click)
1252 "Save text to point in kill ring; the second time, kill the text.
1255 you use this command matches the text at the front of the kill ring,
1256 this command deletes the text.
1258 which prepares for a second click with this command to delete the text.
1260 If you have already made a secondary selection in that buffer,
1261 this command extends or retracts the selection to where you click.
1262 If you do this again in a different position, it extends or retracts
1263 again. If you do this twice in the same position, it kills the selection."
1264 (interactive "e")
1265 (mouse-minibuffer-check click)
1266 (let ((posn (event-start click))
1267 (click-posn (posn-point (event-start click)))
1268 ;; Don't let a subsequent kill command append to this one:
1269 ;; prevent setting this-command to kill-region.
1270 (this-command this-command))
1271 (or (eq (window-buffer (posn-window posn))
1272 (or (and mouse-secondary-overlay
1273 (overlay-buffer mouse-secondary-overlay))
1274 (if mouse-secondary-start
1275 (marker-buffer mouse-secondary-start))))
1276 (error "Wrong buffer"))
1277 (save-excursion
1278 (set-buffer (window-buffer (posn-window posn)))
1279 (if (> (mod mouse-secondary-click-count 3) 0)
1280 (if (not (and (eq last-command 'mouse-secondary-save-then-kill)
1281 (equal click-posn
1282 (car (cdr-safe (cdr-safe mouse-save-then-kill-posn))))))
1283 ;; Find both ends of the object selected by this click.
1284 (let* ((range
1285 (mouse-start-end click-posn click-posn
1286 mouse-secondary-click-count)))
1287 ;; Move whichever end is closer to the click.
1288 ;; That's what xterm does, and it seems reasonable.
1289 (if (< (abs (- click-posn (overlay-start mouse-secondary-overlay)))
1290 (abs (- click-posn (overlay-end mouse-secondary-overlay))))
1291 (move-overlay mouse-secondary-overlay (car range)
1292 (overlay-end mouse-secondary-overlay))
1293 (move-overlay mouse-secondary-overlay
1294 (overlay-start mouse-secondary-overlay)
1295 (nth 1 range)))
1296 ;; We have already put the old region in the kill ring.
1297 ;; Replace it with the extended region.
1298 ;; (It would be annoying to make a separate entry.)
1299 (kill-new (buffer-substring
1300 (overlay-start mouse-secondary-overlay)
1301 (overlay-end mouse-secondary-overlay)) t)
1302 ;; Arrange for a repeated mouse-3 to kill this region.
1303 (setq mouse-save-then-kill-posn
1304 (list (car kill-ring) (point) click-posn)))
1305 ;; If we click this button again without moving it,
1306 ;; that time kill.
1307 (progn
1308 (mouse-save-then-kill-delete-region
1309 (overlay-start mouse-secondary-overlay)
1310 (overlay-end mouse-secondary-overlay))
1311 (setq mouse-save-then-kill-posn nil)
1312 (setq mouse-secondary-click-count 0)
1313 (delete-overlay mouse-secondary-overlay)))
1314 (if (and (eq last-command 'mouse-secondary-save-then-kill)
1315 mouse-save-then-kill-posn
1316 (eq (car mouse-save-then-kill-posn) (car kill-ring))
1317 (equal (cdr mouse-save-then-kill-posn) (list (point) click-posn)))
1318 ;; If this is the second time we've called
1319 ;; mouse-secondary-save-then-kill, delete the text from the buffer.
1320 (progn
1321 (mouse-save-then-kill-delete-region
1322 (overlay-start mouse-secondary-overlay)
1323 (overlay-end mouse-secondary-overlay))
1324 (setq mouse-save-then-kill-posn nil)
1325 (delete-overlay mouse-secondary-overlay))
1326 (if (overlay-start mouse-secondary-overlay)
1327 ;; We have a selection, so adjust it.
1328 (progn
1329 (if (numberp click-posn)
1330 (progn
1331 ;; Move whichever end of the region is closer to the click.
1332 ;; That is what xterm does, and it seems reasonable.
1333 (if (< (abs (- click-posn (overlay-start mouse-secondary-overlay)))
1334 (abs (- click-posn (overlay-end mouse-secondary-overlay))))
1335 (move-overlay mouse-secondary-overlay click-posn
1336 (overlay-end mouse-secondary-overlay))
1337 (move-overlay mouse-secondary-overlay
1338 (overlay-start mouse-secondary-overlay)
1339 click-posn))
1340 (setq deactivate-mark nil)))
1341 (if (eq last-command 'mouse-secondary-save-then-kill)
1342 ;; If the front of the kill ring comes from
1343 ;; an immediately previous use of this command,
1344 ;; replace it with the extended region.
1345 ;; (It would be annoying to make a separate entry.)
1346 (kill-new (buffer-substring
1347 (overlay-start mouse-secondary-overlay)
1348 (overlay-end mouse-secondary-overlay)) t)
1349 (let (deactivate-mark)
1350 (copy-region-as-kill (overlay-start mouse-secondary-overlay)
1351 (overlay-end mouse-secondary-overlay)))))
1352 (if mouse-secondary-start
1353 ;; All we have is one end of a selection,
1354 ;; so put the other end here.
1355 (let ((start (+ 0 mouse-secondary-start)))
1356 (kill-ring-save start click-posn)
1357 (if mouse-secondary-overlay
1358 (move-overlay mouse-secondary-overlay start click-posn)
1359 (setq mouse-secondary-overlay (make-overlay start click-posn)))
1360 (overlay-put mouse-secondary-overlay 'face 'secondary-selection))))
1361 (setq mouse-save-then-kill-posn
1362 (list (car kill-ring) (point) click-posn))))
1363 (if (overlay-buffer mouse-secondary-overlay)
1364 (x-set-selection 'SECONDARY
1365 (buffer-substring
1366 (overlay-start mouse-secondary-overlay)
1367 (overlay-end mouse-secondary-overlay)))))))
1368 \f
1369 (defcustom mouse-buffer-menu-maxlen 20
1370 "*Number of buffers in one pane (submenu) of the buffer menu.
1371 If we have lots of buffers, divide them into groups of
1372 `mouse-buffer-menu-maxlen' and make a pane (or submenu) for each one."
1373 :type 'integer
1374 :group 'mouse)
1376 (defcustom mouse-buffer-menu-mode-mult 4
1379 will split the buffer menu by the major modes (see
1380 `mouse-buffer-menu-mode-groups') or just by menu length.
1381 Set to 1 (or even 0!) if you want to group by major mode always, and to
1382 a large number if you prefer a mixed multitude. The default is 4."
1383 :type 'integer
1384 :group 'mouse
1385 :version "20.3")
1387 (defvar mouse-buffer-menu-mode-groups
1390 . "Mail/News")
1392 ("ObjC" . "C")
1393 ("Text" . "Text")
1394 ("Outline" . "Text")
1395 ("Lisp" . "Lisp"))
1397 Each element has the form (REGEXP . GROUPNAME).
1398 If the major mode's name string matches REGEXP, use GROUPNAME instead.")
1400 (defun mouse-buffer-menu (event)
1401 "Pop up a menu of buffers for selection with the mouse.
1402 This switches buffers in the window that you clicked on,
1403 and selects that window."
1404 (interactive "e")
1405 (mouse-minibuffer-check event)
1406 (let ((buffers (buffer-list)) alist menu split-by-major-mode sum-of-squares)
1407 ;; Make an alist of elements that look like (MENU-ITEM . BUFFER).
1408 (let ((tail buffers))
1409 (while tail
1410 ;; Divide all buffers into buckets for various major modes.
1411 ;; Each bucket looks like (MODE NAMESTRING BUFFERS...).
1412 (with-current-buffer (car tail)
1413 (let* ((adjusted-major-mode major-mode) elt)
1414 (let ((tail mouse-buffer-menu-mode-groups))
1415 (while tail
1416 (if (string-match (car (car tail)) mode-name)
1417 (setq adjusted-major-mode (cdr (car tail))))
1418 (setq tail (cdr tail))))
1419 (setq elt (assoc adjusted-major-mode split-by-major-mode))
1420 (if (null elt)
1421 (setq elt (list adjusted-major-mode
1422 (if (stringp adjusted-major-mode)
1423 adjusted-major-mode
1424 mode-name))
1425 split-by-major-mode (cons elt split-by-major-mode)))
1426 (or (memq (car tail) (cdr (cdr elt)))
1427 (setcdr (cdr elt) (cons (car tail) (cdr (cdr elt)))))))
1428 (setq tail (cdr tail))))
1429 ;; Compute the sum of squares of sizes of the major-mode buckets.
1430 (let ((tail split-by-major-mode))
1431 (setq sum-of-squares 0)
1432 (while tail
1433 (setq sum-of-squares
1434 (+ sum-of-squares
1435 (let ((len (length (cdr (cdr (car tail)))))) (* len len))))
1436 (setq tail (cdr tail))))
1437 (if (< (* sum-of-squares mouse-buffer-menu-mode-mult)
1438 (* (length buffers) (length buffers)))
1439 ;; Subdividing by major modes really helps, so let's do it.
1440 (let (subdivided-menus (buffers-left (length buffers)))
1441 ;; Sort the list to put the most popular major modes first.
1442 (setq split-by-major-mode
1443 (sort split-by-major-mode
1444 (function (lambda (elt1 elt2)
1445 (> (length elt1) (length elt2))))))
1446 ;; Make a separate submenu for each major mode
1447 ;; that has more than one buffer,
1448 ;; unless all the remaining buffers are less than 1/10 of them.
1449 (while (and split-by-major-mode
1450 (and (> (length (car split-by-major-mode)) 3)
1451 (> (* buffers-left 10) (length buffers))))
1452 (setq subdivided-menus
1453 (cons (cons
1454 (nth 1 (car split-by-major-mode))
1455 (mouse-buffer-menu-alist
1456 (cdr (cdr (car split-by-major-mode)))))
1457 subdivided-menus))
1458 (setq buffers-left
1459 (- buffers-left (length (cdr (car split-by-major-mode)))))
1460 (setq split-by-major-mode (cdr split-by-major-mode)))
1461 ;; If any major modes are left over,
1462 ;; make a single submenu for them.
1463 (if split-by-major-mode
1464 (setq subdivided-menus
1465 (cons (cons
1466 "Others"
1467 (mouse-buffer-menu-alist
1468 ;; we don't need split-by-major-mode any
1469 ;; more, so we can ditch it with nconc.
1470 (apply 'nconc (mapcar 'cddr split-by-major-mode))))
1471 subdivided-menus)))
1472 (setq menu (cons "Buffer Menu" (nreverse subdivided-menus))))
1473 (progn
1474 (setq alist (mouse-buffer-menu-alist buffers))
1475 (setq menu (cons "Buffer Menu"
1476 (mouse-buffer-menu-split "Select Buffer" alist)))))
1477 (let ((buf (x-popup-menu event menu))
1478 (window (posn-window (event-start event))))
1479 (when buf
1480 (or (framep window) (select-window window))
1481 (switch-to-buffer buf)))))
1483 (defun mouse-buffer-menu-alist (buffers)
1484 (let (tail
1485 (maxlen 0)
1486 head)
1487 (setq buffers
1488 (sort buffers
1489 (function (lambda (elt1 elt2)
1490 (string< (buffer-name elt1) (buffer-name elt2))))))
1491 (setq tail buffers)
1492 (while tail
1493 (or (eq ?\ (aref (buffer-name (car tail)) 0))
1494 (setq maxlen
1495 (max maxlen
1496 (length (buffer-name (car tail))))))
1497 (setq tail (cdr tail)))
1498 (setq tail buffers)
1499 (while tail
1500 (let ((elt (car tail)))
1501 (if (/= (aref (buffer-name elt) 0) ?\ )
1502 (setq head
1503 (cons
1504 (cons
1505 (format
1506 (format "%%%ds %%s%%s %%s" maxlen)
1507 (buffer-name elt)
1508 (if (buffer-modified-p elt) "*" " ")
1509 (save-excursion
1510 (set-buffer elt)
1511 (if buffer-read-only "%" " "))
1512 (or (buffer-file-name elt)
1513 (save-excursion
1514 (set-buffer elt)
1515 (if list-buffers-directory
1516 (expand-file-name
1517 list-buffers-directory)))
1518 ""))
1519 elt)
1520 head))))
1521 (setq tail (cdr tail)))
1522 ;; Compensate for the reversal that the above loop does.
1523 (nreverse head)))
1525 (defun mouse-buffer-menu-split (title alist)
1526 ;; If we have lots of buffers, divide them into groups of 20
1527 ;; and make a pane (or submenu) for each one.
1528 (if (> (length alist) (/ (* mouse-buffer-menu-maxlen 3) 2))
1529 (let ((alist alist) sublists next
1530 (i 1))
1531 (while alist
1532 ;; Pull off the next mouse-buffer-menu-maxlen buffers
1533 ;; and make them the next element of sublist.
1534 (setq next (nthcdr mouse-buffer-menu-maxlen alist))
1535 (if next
1536 (setcdr (nthcdr (1- mouse-buffer-menu-maxlen) alist)
1537 nil))
1538 (setq sublists (cons (cons (format "Buffers %d" i) alist)
1539 sublists))
1540 (setq i (1+ i))
1541 (setq alist next))
1542 (nreverse sublists))
1543 ;; Few buffers--put them all in one pane.
1544 (list (cons title alist))))
1545 \f
1546 ;;; These need to be rewritten for the new scroll bar implementation.
1548 ;;;!! ;; Commands for the scroll bar.
1549 ;;;!!
1550 ;;;!! (defun mouse-scroll-down (click)
1551 ;;;!! (interactive "@e")
1552 ;;;!! (scroll-down (1+ (cdr (mouse-coords click)))))
1553 ;;;!!
1554 ;;;!! (defun mouse-scroll-up (click)
1555 ;;;!! (interactive "@e")
1556 ;;;!! (scroll-up (1+ (cdr (mouse-coords click)))))
1557 ;;;!!
1558 ;;;!! (defun mouse-scroll-down-full ()
1559 ;;;!! (interactive "@")
1560 ;;;!! (scroll-down nil))
1561 ;;;!!
1562 ;;;!! (defun mouse-scroll-up-full ()
1563 ;;;!! (interactive "@")
1564 ;;;!! (scroll-up nil))
1565 ;;;!!
1566 ;;;!! (defun mouse-scroll-move-cursor (click)
1567 ;;;!! (interactive "@e")
1568 ;;;!! (move-to-window-line (1+ (cdr (mouse-coords click)))))
1569 ;;;!!
1570 ;;;!! (defun mouse-scroll-absolute (event)
1571 ;;;!! (interactive "@e")
1572 ;;;!! (let* ((pos (car event))
1573 ;;;!! (position (car pos))
1574 ;;;!! (length (car (cdr pos))))
1575 ;;;!! (if (<= length 0) (setq length 1))
1576 ;;;!! (let* ((scale-factor (max 1 (/ length (/ 8000000 (buffer-size)))))
1577 ;;;!! (newpos (* (/ (* (/ (buffer-size) scale-factor)
1578 ;;;!! position)
1579 ;;;!! length)
1580 ;;;!! scale-factor)))
1581 ;;;!! (goto-char newpos)
1582 ;;;!! (recenter '(4)))))
1583 ;;;!!
1584 ;;;!! (defun mouse-scroll-left (click)
1585 ;;;!! (interactive "@e")
1586 ;;;!! (scroll-left (1+ (car (mouse-coords click)))))
1587 ;;;!!
1588 ;;;!! (defun mouse-scroll-right (click)
1589 ;;;!! (interactive "@e")
1590 ;;;!! (scroll-right (1+ (car (mouse-coords click)))))
1591 ;;;!!
1592 ;;;!! (defun mouse-scroll-left-full ()
1593 ;;;!! (interactive "@")
1594 ;;;!! (scroll-left nil))
1595 ;;;!!
1596 ;;;!! (defun mouse-scroll-right-full ()
1597 ;;;!! (interactive "@")
1598 ;;;!! (scroll-right nil))
1599 ;;;!!
1600 ;;;!! (defun mouse-scroll-move-cursor-horizontally (click)
1601 ;;;!! (interactive "@e")
1602 ;;;!! (move-to-column (1+ (car (mouse-coords click)))))
1603 ;;;!!
1604 ;;;!! (defun mouse-scroll-absolute-horizontally (event)
1605 ;;;!! (interactive "@e")
1606 ;;;!! (let* ((pos (car event))
1607 ;;;!! (position (car pos))
1608 ;;;!! (length (car (cdr pos))))
1609 ;;;!! (set-window-hscroll (selected-window) 33)))
1610 ;;;!!
1611 ;;;!! (global-set-key [scroll-bar mouse-1] 'mouse-scroll-up)
1612 ;;;!! (global-set-key [scroll-bar mouse-2] 'mouse-scroll-absolute)
1613 ;;;!! (global-set-key [scroll-bar mouse-3] 'mouse-scroll-down)
1614 ;;;!!
1615 ;;;!! (global-set-key [vertical-slider mouse-1] 'mouse-scroll-move-cursor)
1616 ;;;!! (global-set-key [vertical-slider mouse-2] 'mouse-scroll-move-cursor)
1617 ;;;!! (global-set-key [vertical-slider mouse-3] 'mouse-scroll-move-cursor)
1618 ;;;!!
1619 ;;;!! (global-set-key [thumbup mouse-1] 'mouse-scroll-up-full)
1620 ;;;!! (global-set-key [thumbup mouse-2] 'mouse-scroll-up-full)
1621 ;;;!! (global-set-key [thumbup mouse-3] 'mouse-scroll-up-full)
1622 ;;;!!
1623 ;;;!! (global-set-key [thumbdown mouse-1] 'mouse-scroll-down-full)
1624 ;;;!! (global-set-key [thumbdown mouse-2] 'mouse-scroll-down-full)
1625 ;;;!! (global-set-key [thumbdown mouse-3] 'mouse-scroll-down-full)
1626 ;;;!!
1627 ;;;!! (global-set-key [horizontal-scroll-bar mouse-1] 'mouse-scroll-left)
1628 ;;;!! (global-set-key [horizontal-scroll-bar mouse-2]
1629 ;;;!! 'mouse-scroll-absolute-horizontally)
1630 ;;;!! (global-set-key [horizontal-scroll-bar mouse-3] 'mouse-scroll-right)
1631 ;;;!!
1632 ;;;!! (global-set-key [horizontal-slider mouse-1]
1633 ;;;!! 'mouse-scroll-move-cursor-horizontally)
1634 ;;;!! (global-set-key [horizontal-slider mouse-2]
1635 ;;;!! 'mouse-scroll-move-cursor-horizontally)
1636 ;;;!! (global-set-key [horizontal-slider mouse-3]
1637 ;;;!! 'mouse-scroll-move-cursor-horizontally)
1638 ;;;!!
1639 ;;;!! (global-set-key [thumbleft mouse-1] 'mouse-scroll-left-full)
1640 ;;;!! (global-set-key [thumbleft mouse-2] 'mouse-scroll-left-full)
1641 ;;;!! (global-set-key [thumbleft mouse-3] 'mouse-scroll-left-full)
1642 ;;;!!
1643 ;;;!! (global-set-key [thumbright mouse-1] 'mouse-scroll-right-full)
1644 ;;;!! (global-set-key [thumbright mouse-2] 'mouse-scroll-right-full)
1645 ;;;!! (global-set-key [thumbright mouse-3] 'mouse-scroll-right-full)
1646 ;;;!!
1647 ;;;!! (global-set-key [horizontal-scroll-bar S-mouse-2]
1648 ;;;!! 'mouse-split-window-horizontally)
1649 ;;;!! (global-set-key [mode-line S-mouse-2]
1650 ;;;!! 'mouse-split-window-horizontally)
1651 ;;;!! (global-set-key [vertical-scroll-bar S-mouse-2]
1652 ;;;!! 'mouse-split-window)
1653 \f
1654 ;;;!! ;;;;
1655 ;;;!! ;;;; Here are experimental things being tested. Mouse events
1656 ;;;!! ;;;; are of the form:
1657 ;;;!! ;;;; ((x y) window screen-part key-sequence timestamp)
1658 ;;;!! ;;
1659 ;;;!! ;;;;
1660 ;;;!! ;;;; Dynamically track mouse coordinates
1661 ;;;!! ;;;;
1662 ;;;!! ;;
1663 ;;;!! ;;(defun track-mouse (event)
1664 ;;;!! ;; "Track the coordinates, absolute and relative, of the mouse."
1665 ;;;!! ;; (interactive "@e")
1666 ;;;!! ;; (while mouse-grabbed
1667 ;;;!! ;; (let* ((pos (read-mouse-position (selected-screen)))
1668 ;;;!! ;; (abs-x (car pos))
1669 ;;;!! ;; (abs-y (cdr pos))
1670 ;;;!! ;; (relative-coordinate (coordinates-in-window-p
1671 ;;;!! ;; (list (car pos) (cdr pos))
1672 ;;;!! ;; (selected-window))))
1673 ;;;!! ;; (if (consp relative-coordinate)
1674 ;;;!! ;; (message "mouse: [%d %d], (%d %d)" abs-x abs-y
1675 ;;;!! ;; (car relative-coordinate)
1676 ;;;!! ;; (car (cdr relative-coordinate)))
1677 ;;;!! ;; (message "mouse: [%d %d]" abs-x abs-y)))))
1678 ;;;!!
1679 ;;;!! ;;
1680 ;;;!! ;; Dynamically put a box around the line indicated by point
1681 ;;;!! ;;
1682 ;;;!! ;;
1683 ;;;!! ;;(require 'backquote)
1684 ;;;!! ;;
1685 ;;;!! ;;(defun mouse-select-buffer-line (event)
1686 ;;;!! ;; (interactive "@e")
1687 ;;;!! ;; (let ((relative-coordinate
1688 ;;;!! ;; (coordinates-in-window-p (car event) (selected-window)))
1689 ;;;!! ;; (abs-y (car (cdr (car event)))))
1690 ;;;!! ;; (if (consp relative-coordinate)
1691 ;;;!! ;; (progn
1692 ;;;!! ;; (save-excursion
1693 ;;;!! ;; (move-to-window-line (car (cdr relative-coordinate)))
1694 ;;;!! ;; (x-draw-rectangle
1695 ;;;!! ;; (selected-screen)
1696 ;;;!! ;; abs-y 0
1697 ;;;!! ;; (save-excursion
1698 ;;;!! ;; (move-to-window-line (car (cdr relative-coordinate)))
1699 ;;;!! ;; (end-of-line)
1700 ;;;!! ;; (push-mark nil t)
1701 ;;;!! ;; (beginning-of-line)
1702 ;;;!! ;; (- (region-end) (region-beginning))) 1))
1703 ;;;!! ;; (sit-for 1)
1704 ;;;!! ;; (x-erase-rectangle (selected-screen))))))
1705 ;;;!! ;;
1706 ;;;!! ;;(defvar last-line-drawn nil)
1709 ;;;!! ;;
1710 ;;;!! ;;(defun mouse-boxing (event)
1711 ;;;!! ;; (interactive "@e")
1712 ;;;!! ;; (save-excursion
1713 ;;;!! ;; (let ((screen (selected-screen)))
1714 ;;;!! ;; (while (= (x-mouse-events) 0)
1715 ;;;!! ;; (let* ((pos (read-mouse-position screen))
1716 ;;;!! ;; (abs-x (car pos))
1717 ;;;!! ;; (abs-y (cdr pos))
1718 ;;;!! ;; (relative-coordinate
1719 ;;;!! ;; (coordinates-in-window-p (` ((, abs-x) (, abs-y)))
1720 ;;;!! ;; (selected-window)))
1721 ;;;!! ;; (begin-reg nil)
1722 ;;;!! ;; (end-reg nil)
1723 ;;;!! ;; (end-column nil)
1724 ;;;!! ;; (begin-column nil))
1725 ;;;!! ;; (if (and (consp relative-coordinate)
1726 ;;;!! ;; (or (not last-line-drawn)
1727 ;;;!! ;; (not (= last-line-drawn abs-y))))
1728 ;;;!! ;; (progn
1729 ;;;!! ;; (move-to-window-line (car (cdr relative-coordinate)))
1730 ;;;!! ;; (if (= (following-char) 10)
1731 ;;;!! ;; ()
1732 ;;;!! ;; (progn
1733 ;;;!! ;; (setq begin-reg (1- (re-search-forward end-delim)))
1734 ;;;!! ;; (setq begin-column (1- (current-column)))
1735 ;;;!! ;; (end-of-line)
1736 ;;;!! ;; (setq end-reg (1+ (re-search-backward begin-delim)))
1737 ;;;!! ;; (setq end-column (1+ (current-column)))
1738 ;;;!! ;; (message "%s" (buffer-substring begin-reg end-reg))
1739 ;;;!! ;; (x-draw-rectangle screen
1740 ;;;!! ;; (setq last-line-drawn abs-y)
1741 ;;;!! ;; begin-column
1742 ;;;!! ;; (- end-column begin-column) 1))))))))))
1743 ;;;!! ;;
1744 ;;;!! ;;(defun mouse-erase-box ()
1745 ;;;!! ;; (interactive)
1746 ;;;!! ;; (if last-line-drawn
1747 ;;;!! ;; (progn
1748 ;;;!! ;; (x-erase-rectangle (selected-screen))
1749 ;;;!! ;; (setq last-line-drawn nil))))
1750 ;;;!!
1751 ;;;!! ;;; (defun test-x-rectangle ()
1752 ;;;!! ;;; (use-local-mouse-map (setq rectangle-test-map (make-sparse-keymap)))
1753 ;;;!! ;;; (define-key rectangle-test-map mouse-motion-button-left 'mouse-boxing)
1754 ;;;!! ;;; (define-key rectangle-test-map mouse-button-left-up 'mouse-erase-box))
1755 ;;;!!
1756 ;;;!! ;;
1757 ;;;!! ;; Here is how to do double clicking in lisp. About to change.
1758 ;;;!! ;;
1759 ;;;!!
1760 ;;;!! (defvar double-start nil)
1761 ;;;!! (defconst double-click-interval 300
1762 ;;;!! "Max ticks between clicks")
1763 ;;;!!
1764 ;;;!! (defun double-down (event)
1765 ;;;!! (interactive "@e")
1766 ;;;!! (if double-start
1767 ;;;!! (let ((interval (- (nth 4 event) double-start)))
1768 ;;;!! (if (< interval double-click-interval)
1769 ;;;!! (progn
1770 ;;;!! (backward-up-list 1)
1771 ;;;!! ;; (message "Interval %d" interval)
1772 ;;;!! (sleep-for 1)))
1773 ;;;!! (setq double-start nil))
1774 ;;;!! (setq double-start (nth 4 event))))
1775 ;;;!!
1776 ;;;!! (defun double-up (event)
1777 ;;;!! (interactive "@e")
1778 ;;;!! (and double-start
1779 ;;;!! (> (- (nth 4 event ) double-start) double-click-interval)
1780 ;;;!! (setq double-start nil)))
1781 ;;;!!
1782 ;;;!! ;;; (defun x-test-doubleclick ()
1783 ;;;!! ;;; (use-local-mouse-map (setq doubleclick-test-map (make-sparse-keymap)))
1784 ;;;!! ;;; (define-key doubleclick-test-map mouse-button-left 'double-down)
1785 ;;;!! ;;; (define-key doubleclick-test-map mouse-button-left-up 'double-up))
1786 ;;;!!
1787 ;;;!! ;;
1788 ;;;!! ;; This scrolls while button is depressed. Use preferable in scroll bar.
1789 ;;;!! ;;
1790 ;;;!!
1791 ;;;!! (defvar scrolled-lines 0)
1792 ;;;!! (defconst scroll-speed 1)
1793 ;;;!!
1794 ;;;!! (defun incr-scroll-down (event)
1795 ;;;!! (interactive "@e")
1796 ;;;!! (setq scrolled-lines 0)
1797 ;;;!! (incremental-scroll scroll-speed))
1798 ;;;!!
1799 ;;;!! (defun incr-scroll-up (event)
1800 ;;;!! (interactive "@e")
1801 ;;;!! (setq scrolled-lines 0)
1802 ;;;!! (incremental-scroll (- scroll-speed)))
1803 ;;;!!
1804 ;;;!! (defun incremental-scroll (n)
1805 ;;;!! (while (= (x-mouse-events) 0)
1806 ;;;!! (setq scrolled-lines (1+ (* scroll-speed scrolled-lines)))
1807 ;;;!! (scroll-down n)
1808 ;;;!! (sit-for 300 t)))
1809 ;;;!!
1810 ;;;!! (defun incr-scroll-stop (event)
1811 ;;;!! (interactive "@e")
1812 ;;;!! (message "Scrolled %d lines" scrolled-lines)
1813 ;;;!! (setq scrolled-lines 0)
1814 ;;;!! (sleep-for 1))
1815 ;;;!!
1816 ;;;!! ;;; (defun x-testing-scroll ()
1817 ;;;!! ;;; (let ((scrolling-map (function mouse-vertical-scroll-bar-prefix)))
1818 ;;;!! ;;; (define-key scrolling-map mouse-button-left 'incr-scroll-down)
1819 ;;;!! ;;; (define-key scrolling-map mouse-button-right 'incr-scroll-up)
1820 ;;;!! ;;; (define-key scrolling-map mouse-button-left-up 'incr-scroll-stop)
1821 ;;;!! ;;; (define-key scrolling-map mouse-button-right-up 'incr-scroll-stop)))
1822 ;;;!!
1823 ;;;!! ;;
1824 ;;;!! ;; Some playthings suitable for picture mode? They need work.
1825 ;;;!! ;;
1826 ;;;!!
1827 ;;;!! (defun mouse-kill-rectangle (event)
1828 ;;;!! "Kill the rectangle between point and the mouse cursor."
1829 ;;;!! (interactive "@e")
1830 ;;;!! (let ((point-save (point)))
1831 ;;;!! (save-excursion
1832 ;;;!! (mouse-set-point event)
1833 ;;;!! (push-mark nil t)
1834 ;;;!! (if (> point-save (point))
1835 ;;;!! (kill-rectangle (point) point-save)
1836 ;;;!! (kill-rectangle point-save (point))))))
1837 ;;;!!
1838 ;;;!! (defun mouse-open-rectangle (event)
1839 ;;;!! "Kill the rectangle between point and the mouse cursor."
1840 ;;;!! (interactive "@e")
1841 ;;;!! (let ((point-save (point)))
1842 ;;;!! (save-excursion
1843 ;;;!! (mouse-set-point event)
1844 ;;;!! (push-mark nil t)
1845 ;;;!! (if (> point-save (point))
1846 ;;;!! (open-rectangle (point) point-save)
1847 ;;;!! (open-rectangle point-save (point))))))
1848 ;;;!!
1849 ;;;!! ;; Must be a better way to do this.
1850 ;;;!!
1851 ;;;!! (defun mouse-multiple-insert (n char)
1852 ;;;!! (while (> n 0)
1853 ;;;!! (insert char)
1854 ;;;!! (setq n (1- n))))
1855 ;;;!!
1856 ;;;!! ;; What this could do is not finalize until button was released.
1857 ;;;!!
1858 ;;;!! (defun mouse-move-text (event)
1859 ;;;!! "Move text from point to cursor position, inserting spaces."
1860 ;;;!! (interactive "@e")
1861 ;;;!! (let* ((relative-coordinate
1862 ;;;!! (coordinates-in-window-p (car event) (selected-window))))
1863 ;;;!! (if (consp relative-coordinate)
1864 ;;;!! (cond ((> (current-column) (car relative-coordinate))
1865 ;;;!! (delete-char
1866 ;;;!! (- (car relative-coordinate) (current-column))))
1867 ;;;!! ((< (current-column) (car relative-coordinate))
1868 ;;;!! (mouse-multiple-insert
1869 ;;;!! (- (car relative-coordinate) (current-column)) " "))
1870 ;;;!! ((= (current-column) (car relative-coordinate)) (ding))))))
1871 \f
1872 ;; Choose a completion with the mouse.
1874 (defun mouse-choose-completion (event)
1875 "Click on an alternative in the `*Completions*' buffer to choose it."
1876 (interactive "e")
1877 ;; Give temporary modes such as isearch a chance to turn off.
1878 (run-hooks 'mouse-leave-buffer-hook)
1879 (let ((buffer (window-buffer))
1880 choice
1881 base-size)
1882 (save-excursion
1883 (set-buffer (window-buffer (posn-window (event-start event))))
1884 (if completion-reference-buffer
1885 (setq buffer completion-reference-buffer))
1886 (setq base-size completion-base-size)
1887 (save-excursion
1888 (goto-char (posn-point (event-start event)))
1889 (let (beg end)
1890 (if (and (not (eobp)) (get-text-property (point) 'mouse-face))
1891 (setq end (point) beg (1+ (point))))
1892 (if (null beg)
1893 (error "No completion here"))
1894 (setq beg (previous-single-property-change beg 'mouse-face))
1895 (setq end (or (next-single-property-change end 'mouse-face)
1896 (point-max)))
1897 (setq choice (buffer-substring beg end)))))
1898 (let ((owindow (selected-window)))
1899 (select-window (posn-window (event-start event)))
1900 (if (and (one-window-p t 'selected-frame)
1901 (window-dedicated-p (selected-window)))
1902 ;; This is a special buffer's frame
1903 (iconify-frame (selected-frame))
1904 (or (window-dedicated-p (selected-window))
1905 (bury-buffer)))
1906 (select-window owindow))
1907 (choose-completion-string choice buffer base-size)))
1908 \f
1909 ;; Font selection.
1911 (defun font-menu-add-default ()
1912 (let* ((default (cdr (assq 'font (frame-parameters (selected-frame)))))
1913 (font-alist x-fixed-font-alist)
1914 (elt (or (assoc "Misc" font-alist) (nth 1 font-alist))))
1915 (if (assoc "Default" elt)
1916 (delete (assoc "Default" elt) elt))
1917 (setcdr elt
1918 (cons (list "Default" default)
1919 (cdr elt)))))
1921 (defvar x-fixed-font-alist
1922 '("Font menu"
1923 ("Misc"
1924 ;; For these, we specify the pixel height and width.
1925 ("fixed" "fixed")
1926 ("6x10" "-misc-fixed-medium-r-normal--10-*-*-*-c-60-iso8859-1" "6x10")
1927 ("6x12"
1928 "-misc-fixed-medium-r-semicondensed--12-*-*-*-c-60-iso8859-1" "6x12")
1929 ("6x13"
1930 "-misc-fixed-medium-r-semicondensed--13-*-*-*-c-60-iso8859-1" "6x13")
1931 ("7x13" "-misc-fixed-medium-r-normal--13-*-*-*-c-70-iso8859-1" "7x13")
1932 ("7x14" "-misc-fixed-medium-r-normal--14-*-*-*-c-70-iso8859-1" "7x14")
1933 ("8x13" "-misc-fixed-medium-r-normal--13-*-*-*-c-80-iso8859-1" "8x13")
1934 ("9x15" "-misc-fixed-medium-r-normal--15-*-*-*-c-90-iso8859-1" "9x15")
1935 ("10x20" "-misc-fixed-medium-r-normal--20-*-*-*-c-100-iso8859-1" "10x20")
1936 ("11x18" "-misc-fixed-medium-r-normal--18-*-*-*-c-110-iso8859-1" "11x18")
1937 ("12x24" "-misc-fixed-medium-r-normal--24-*-*-*-c-120-iso8859-1" "12x24")
1938 ("")
1939 ("clean 5x8"
1940 "-schumacher-clean-medium-r-normal--8-*-*-*-c-50-iso8859-1")
1941 ("clean 6x8"
1942 "-schumacher-clean-medium-r-normal--8-*-*-*-c-60-iso8859-1")
1943 ("clean 8x8"
1944 "-schumacher-clean-medium-r-normal--8-*-*-*-c-80-iso8859-1")
1945 ("clean 8x10"
1946 "-schumacher-clean-medium-r-normal--10-*-*-*-c-80-iso8859-1")
1947 ("clean 8x14"
1948 "-schumacher-clean-medium-r-normal--14-*-*-*-c-80-iso8859-1")
1949 ("clean 8x16"
1950 "-schumacher-clean-medium-r-normal--16-*-*-*-c-80-iso8859-1")
1951 ("")
1952 ("sony 8x16" "-sony-fixed-medium-r-normal--16-*-*-*-c-80-iso8859-1")
1953 ;;; We don't seem to have these; who knows what they are.
1954 ;;; ("fg-18" "fg-18")
1955 ;;; ("fg-25" "fg-25")
1956 ("lucidasanstypewriter-12" "-b&h-lucidatypewriter-medium-r-normal-sans-*-120-*-*-*-*-iso8859-1")
1957 ("lucidasanstypewriter-bold-14" "-b&h-lucidatypewriter-bold-r-normal-sans-*-140-*-*-*-*-iso8859-1")
1958 ("lucidasanstypewriter-bold-24"
1959 "-b&h-lucidatypewriter-bold-r-normal-sans-*-240-*-*-*-*-iso8859-1")
1960 ;;; ("lucidatypewriter-bold-r-24" "-b&h-lucidatypewriter-bold-r-normal-sans-24-240-75-75-m-140-iso8859-1")
1961 ;;; ("fixed-medium-20" "-misc-fixed-medium-*-*-*-20-*-*-*-*-*-*-*")
1962 )
1963 ("Courier"
1964 ;; For these, we specify the point height.
1965 ("8" "-adobe-courier-medium-r-normal--*-80-*-*-m-*-iso8859-1")
1966 ("10" "-adobe-courier-medium-r-normal--*-100-*-*-m-*-iso8859-1")
1967 ("12" "-adobe-courier-medium-r-normal--*-120-*-*-m-*-iso8859-1")
1968 ("14" "-adobe-courier-medium-r-normal--*-140-*-*-m-*-iso8859-1")
1969 ("18" "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1")
1970 ("24" "-adobe-courier-medium-r-normal--*-240-*-*-m-*-iso8859-1")
1971 ("8 bold" "-adobe-courier-bold-r-normal--*-80-*-*-m-*-iso8859-1")
1972 ("10 bold" "-adobe-courier-bold-r-normal--*-100-*-*-m-*-iso8859-1")
1973 ("12 bold" "-adobe-courier-bold-r-normal--*-120-*-*-m-*-iso8859-1")
1974 ("14 bold" "-adobe-courier-bold-r-normal--*-140-*-*-m-*-iso8859-1")
1975 ("18 bold" "-adobe-courier-bold-r-normal--*-180-*-*-m-*-iso8859-1")
1976 ("24 bold" "-adobe-courier-bold-r-normal--*-240-*-*-m-*-iso8859-1")
1977 ("8 slant" "-adobe-courier-medium-o-normal--*-80-*-*-m-*-iso8859-1")
1978 ("10 slant" "-adobe-courier-medium-o-normal--*-100-*-*-m-*-iso8859-1")
1979 ("12 slant" "-adobe-courier-medium-o-normal--*-120-*-*-m-*-iso8859-1")
1980 ("14 slant" "-adobe-courier-medium-o-normal--*-140-*-*-m-*-iso8859-1")
1981 ("18 slant" "-adobe-courier-medium-o-normal--*-180-*-*-m-*-iso8859-1")
1982 ("24 slant" "-adobe-courier-medium-o-normal--*-240-*-*-m-*-iso8859-1")
1983 ("8 bold slant" "-adobe-courier-bold-o-normal--*-80-*-*-m-*-iso8859-1")
1984 ("10 bold slant" "-adobe-courier-bold-o-normal--*-100-*-*-m-*-iso8859-1")
1985 ("12 bold slant" "-adobe-courier-bold-o-normal--*-120-*-*-m-*-iso8859-1")
1986 ("14 bold slant" "-adobe-courier-bold-o-normal--*-140-*-*-m-*-iso8859-1")
1987 ("18 bold slant" "-adobe-courier-bold-o-normal--*-180-*-*-m-*-iso8859-1")
1988 ("24 bold slant" "-adobe-courier-bold-o-normal--*-240-*-*-m-*-iso8859-1"))
1989 )
1990 "X fonts suitable for use in Emacs.")
1992 (defun mouse-set-font (&rest fonts)
1993 "Select an emacs font from a list of known good fonts and fontsets."
1994 (interactive
1995 (x-popup-menu
1996 last-nonmenu-event
1997 ;; Append list of fontsets currently defined.
1998 (append x-fixed-font-alist (list (generate-fontset-menu)))))
1999 (if fonts
2000 (let (font)
2001 (while fonts
2002 (condition-case nil
2003 (progn
2004 (set-default-font (car fonts))
2005 (setq font (car fonts))
2006 (setq fonts nil))
2007 (error
2008 (setq fonts (cdr fonts)))))
2009 (if (null font)
2010 (error "Font not found")))))
2011 \f
2012 ;;; Bindings for mouse commands.
2014 (define-key global-map [down-mouse-1] 'mouse-drag-region)
2015 (global-set-key [mouse-1] 'mouse-set-point)
2016 (global-set-key [drag-mouse-1] 'mouse-set-region)
2018 ;; These are tested for in mouse-drag-region.
2019 (global-set-key [double-mouse-1] 'mouse-set-point)
2020 (global-set-key [triple-mouse-1] 'mouse-set-point)
2022 (global-set-key [mouse-2] 'mouse-yank-at-click)
2023 (global-set-key [mouse-3] 'mouse-save-then-kill)
2025 ;; By binding these to down-going events, we let the user use the up-going
2026 ;; event to make the selection, saving a click.
2027 (global-set-key [C-down-mouse-1] 'mouse-buffer-menu)
2028 (if (not (eq system-type 'ms-dos))
2029 (global-set-key [S-down-mouse-1] 'mouse-set-font))
2030 ;; C-down-mouse-2 is bound in facemenu.el.
2031 (global-set-key [C-down-mouse-3] 'mouse-major-mode-menu)
2034 ;; Replaced with dragging mouse-1
2035 ;; (global-set-key [S-mouse-1] 'mouse-set-mark)
2037 (global-set-key [mode-line mouse-1] 'mouse-select-window)
2038 (global-set-key [mode-line drag-mouse-1] 'mouse-select-window)
2039 (global-set-key [mode-line down-mouse-1] 'mouse-drag-mode-line)
2040 (global-set-key [header-line down-mouse-1] 'mouse-drag-header-line)
2041 (global-set-key [mode-line mouse-2] 'mouse-delete-other-windows)
2042 (global-set-key [mode-line mouse-3] 'mouse-delete-window)
2043 (global-set-key [mode-line C-mouse-2] 'mouse-split-window-horizontally)
2044 (global-set-key [vertical-scroll-bar C-mouse-2] 'mouse-split-window-vertically)
2045 (global-set-key [vertical-line C-mouse-2] 'mouse-split-window-vertically)
2046 (global-set-key [vertical-line down-mouse-1] 'mouse-drag-vertical-line)
2047 (global-set-key [vertical-line mouse-1] 'mouse-select-window)
2049 (provide 'mouse)
2051 ;; This file contains the functionality of the old mldrag.el.
2052 (defalias 'mldrag-drag-mode-line 'mouse-drag-mode-line)
2053 (defalias 'mldrag-drag-vertical-line 'mouse-drag-vertical-line)
2054 (make-obsolete 'mldrag-drag-mode-line 'mouse-drag-mode-line "21.1")
2055 (make-obsolete 'mldrag-drag-vertical-line 'mouse-drag-vertical-line "21.1")
2056 (provide 'mldrag)
2058 ;;; mouse.el ends here