| blob | d2f76cd138c4fbccaa615994bf155ca475c07f43 |
1 ;;; mouse.el --- window system-independent mouse support
3 ;; Copyright (C) 1993, 1994, 1995 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 ;; Switch to the window clicked on, because otherwise
50 ;; the mode's commands may not make sense.
53 ;; returns the prefix we should use (after menu-bar).
54 ;; It is either nil or (SOME-SYMBOL).
56 ;; Make a keymap in which our last command leads to a menu
58 result)
59 ;; Make our menu inherit from the desired keymap
60 ;; which we want to display as the menu now.
69 mouse-major-mode-menu-prefix
70 result)))))
71 ;; Clear out echoing, which perhaps shows a prefix arg.
78 ;; Compute and cache the equivalent keys in MENU and all its submenus.
79 ;;;(defun mouse-major-mode-menu-compute-equiv-keys (menu)
80 ;;; (and (eq (car menu) 'keymap)
81 ;;; (x-popup-menu nil menu))
82 ;;; (while menu
83 ;;; (and (consp (car menu))
84 ;;; (consp (cdr (car menu)))
85 ;;; (let ((tail (cdr (car menu))))
86 ;;; (while (and (consp tail)
87 ;;; (not (eq (car tail) 'keymap)))
88 ;;; (setq tail (cdr tail)))
89 ;;; (if (consp tail)
90 ;;; (mouse-major-mode-menu-compute-equiv-keys tail))))
91 ;;; (setq menu (cdr menu))))
93 ;; Given a mode's menu bar keymap,
94 ;; if it defines exactly one menu bar menu,
95 ;; return just that menu.
96 ;; Otherwise return a menu for all of them.
100 submap)
108 menubar
111 \f
112 ;; Commands that operate on windows.
119 ;; Give temporary modes such as isearch a chance to turn off.
123 "Delete the window you click on.
124 This must be bound to a mouse click."
130 "Select the window clicked on; don't move point."
142 "Delete the window clicked on, and create a new frame displaying its buffer."
153 "Delete all window except the one you click on."
158 "Select Emacs window mouse is on, then split it vertically in half.
159 The window is split at the line clicked on.
160 This command must be bound to a mouse click."
174 "Select Emacs window mouse is on, then split it horizontally in half.
175 The window is split at the column clicked on.
176 This command must be bound to a mouse click."
190 "Change the height of a window by dragging on the mode line."
192 ;; Give temporary modes such as isearch a chance to turn off.
200 should-enlarge-minibuffer
201 event mouse minibuffer y top bot edges wconfig params growth)
206 ;; enlarge-window only works on the selected window, so
207 ;; we must select the window where the start event originated.
208 ;; unwind-protect will restore the old selected window later.
210 ;; if this is the bottommost ordinary window, then to
211 ;; move its modeline the minibuffer must be enlarged.
217 ;; loop reading events and sampling the position of
218 ;; the mouse.
222 ;; do nothing if
223 ;; - there is a switch-frame event.
224 ;; - the mouse isn't in the frame that we started in
225 ;; - the mouse isn't in any Emacs frame
226 ;; drag if
227 ;; - there is a mouse-movement event
228 ;; - there is a scroll-bar-movement event
229 ;; (same as mouse movement for our purposes)
230 ;; quit if
231 ;; - there is a keyboard event or some other unknown event
232 ;; unknown event.
236 nil)
244 nil)
246 nil)
252 ;; scale back a move that would make the
253 ;; window too short.
256 ;; compute size change needed
259 ;; Check for an error case.
264 ;; grow/shrink minibuffer?
267 ;; yes. briefly select minibuffer so
268 ;; enlarge-window will affect the
269 ;; correct window.
271 ;; scale back shrinkage if it would
272 ;; make the minibuffer less than 1
273 ;; line tall.
276 growth)
281 ;; no. grow/shrink the selected window
283 ;; if this window's growth caused another
284 ;; window to be deleted because it was too
285 ;; short, rescind the change.
286 ;;
287 ;; if size change caused space to be stolen
288 ;; from a window above this one, rescind the
289 ;; change, but only if we didn't grow/srhink
290 ;; the minibuffer. minibuffer size changes
291 ;; can cause all windows to shrink... no way
292 ;; around it.
297 \f
299 "Change the width of a window by dragging on the vertical line."
301 ;; Give temporary modes such as isearch a chance to turn off.
309 event mouse x left right edges wconfig growth)
317 ;; enlarge-window only works on the selected window, so
318 ;; we must select the window where the start event originated.
319 ;; unwind-protect will restore the old selected window later.
321 ;; loop reading events and sampling the position of
322 ;; the mouse.
326 ;; do nothing if
327 ;; - there is a switch-frame event.
328 ;; - the mouse isn't in the frame that we started in
329 ;; - the mouse isn't in any Emacs frame
330 ;; drag if
331 ;; - there is a mouse-movement event
332 ;; - there is a scroll-bar-movement event
333 ;; (same as mouse movement for our purposes)
334 ;; quit if
335 ;; - there is a keyboard event or some other unknown event
336 ;; unknown event.
340 nil)
348 nil)
350 nil)
356 ;; scale back a move that would make the
357 ;; window too thin.
360 ;; compute size change needed
364 ;; if this window's growth caused another
365 ;; window to be deleted because it was too
366 ;; thin, rescind the change.
367 ;;
368 ;; if size change caused space to be stolen
369 ;; from a window to the left of this one,
370 ;; rescind the change.
374 \f
376 "Move point to the position clicked on with the mouse.
377 This should be bound to a mouse click event type."
380 ;; Use event-end in case called from mouse-drag-region.
381 ;; If EVENT is a click, event-end and event-start give same value.
394 "Return non-nil if there's an active region that was set with the mouse."
401 "Set the region to the text dragged over, and copy to kill ring.
402 This should be bound to a mouse drag event."
410 ;; If mark is highlighted, no need to bounce the cursor.
411 ;; On X, we highlight while dragging, thus once again no need to bounce.
419 ;; Don't set this-command to kill-region, so that a following
420 ;; C-w will not double the text in the kill ring.
421 ;; Ignore last-command so we don't append to a preceding kill.
432 "*The pause between scroll steps caused by mouse drags, in seconds.
433 If you drag the mouse beyond the edge of a window, Emacs scrolls the
434 window to bring the text beyond that edge into view, with a delay of
435 this many seconds between scroll steps. Scrolling stops when you move
436 the mouse back into the window, or release the button.
437 This variable's value may be non-integral.
438 Setting this to zero causes Emacs to scroll as fast as it can."
443 "*The minimum number of lines scrolled by dragging mouse out of window.
444 Moving the mouse out the top or bottom edge of the window begins
445 scrolling repeatedly. The number of lines scrolled per repetition
446 is normally equal to the number of lines beyond the window edge that
447 the mouse has moved. However, it always scrolls at least the number
448 of lines specified by this variable."
453 "Scroll the window WINDOW, JUMP lines at a time, until new input arrives.
454 If OVERLAY is an overlay, let it stretch from START to the far edge of
455 the newly visible text.
456 Upon exit, point is at the far edge of the newly visible text."
471 ;; window-end doesn't reflect the window's new
472 ;; start position until the next redisplay. Hurrah.
477 ;; Now that we have scrolled WINDOW properly,
478 ;; put point back where it was for the redisplay
479 ;; so that we don't mess up the selected window.
486 ;; Create an overlay and immediately delete it, to get "overlay in no buffer".
496 "Set the region to the text that the mouse is dragged over.
497 Highlight the drag area as you move the mouse.
498 This must be bound to a button-down mouse event.
499 In Transient Mark mode, the highlighting remains as long as the mark
500 remains active. Otherwise, it remains until the next input event."
512 ;; Don't count the mode line.
518 ;; In case the down click is in the middle of some intangible text,
519 ;; use the end of that text, and put it in START-POINT.
527 ;; end-of-range is used only in the single-click case.
528 ;; It is the place where the drag has reached so far
529 ;; (but not outside the window where the drag started).
537 nil
544 ;; Are we moving within the original window?
547 ;; Go to START-POINT first, so that when we move to END-POINT,
548 ;; if it's in the middle of intangible text,
549 ;; point jumps in the direction away from START-POINT.
563 mouse-drag-overlay start-point)
564 ;; Without this, point tends to jump back to the starting
565 ;; position where the mouse button was pressed down.
569 mouse-drag-overlay start-point)
573 ;; Run the binding of the terminating up-event, if possible.
574 ;; In the case of a multiple click, it gives the wrong results,
575 ;; because it would fail to set up a region.
577 ;; In this case, we can just let the up-event execute normally.
579 ;; Set the position in the event before we replay it,
580 ;; because otherwise it may have a position in the wrong
581 ;; buffer.
583 ;; Delete the overlay before calling the function,
584 ;; because delete-overlay increases buffer-modified-tick.
593 last-end-point))
594 ;; The end that comes from where we ended the drag.
595 ;; Point goes here.
600 ;; The end that comes from where we started the drag.
601 ;; Mark goes there.
605 region-termination))
606 last-command this-command)
612 ;; mouse-show-mark can call read-event,
613 ;; and that means the Emacs server could switch buffers
614 ;; under us. If that happened,
615 ;; avoid trying to use the region.
623 \f
624 ;; Commands to handle xterm-style multiple clicks.
627 "Skip over word, over whitespace, or over identical punctuation.
628 If DIR is positive skip forward; if negative, skip backward."
646 ;; Return a list of region bounds based on START and END according to MODE.
647 ;; If MODE is 0 then set point to (min START END), mark to (max START END).
648 ;; If MODE is 1 then set point to start of word at (min START END),
649 ;; mark to end of word at (max START END).
650 ;; If MODE is 2 then do the same for lines.
655 end temp)))
720 \f
721 ;; Subroutine: set the mark where CLICK happened,
722 ;; but don't do anything else.
740 event)))
743 t
745 nil)))
747 ;; Momentarily show where the mark is, if highlighting doesn't show it.
750 "List of keys which shall cause the mouse region to be deleted.")
752 (defun mouse-show-mark ()
753 (if transient-mark-mode
754 (if window-system
755 (delete-overlay mouse-drag-overlay))
756 (if window-system
757 (let ((inhibit-quit t)
758 (echo-keystrokes 0)
759 event events key ignore
760 x-lost-selection-hooks)
761 (add-hook 'x-lost-selection-hooks
762 '(lambda (seltype)
763 (if (eq seltype 'PRIMARY)
764 (progn (setq ignore t)
765 (throw 'mouse-show-mark t)))))
766 (move-overlay mouse-drag-overlay (point) (mark t))
767 (catch 'mouse-show-mark
768 (while (progn (setq event (read-event))
769 (setq events (append events (list event)))
770 (setq key (apply 'vector events))
771 (and (memq 'down (event-modifiers event))
772 (not (key-binding key))
773 (not (member key mouse-region-delete-keys))
774 (not (mouse-undouble-last-event events))))))
775 ;; If we lost the selection, just turn off the highlighting.
776 (if ignore
777 nil
778 ;; For certain special keys, delete the region.
779 (if (member key mouse-region-delete-keys)
780 (delete-region (overlay-start mouse-drag-overlay)
781 (overlay-end mouse-drag-overlay))
782 ;; Otherwise, unread the key so it gets executed normally.
783 (setq unread-command-events
784 (nconc events unread-command-events))))
785 (setq quit-flag nil)
786 (delete-overlay mouse-drag-overlay))
787 (save-excursion
788 (goto-char (mark t))
789 (sit-for 1)))))
791 (defun mouse-set-mark (click)
792 "Set mark at the position clicked on with the mouse.
793 Display cursor at that position for a second.
794 This must be bound to a mouse click."
795 (interactive "e")
796 (mouse-minibuffer-check click)
797 (select-window (posn-window (event-start click)))
798 ;; We don't use save-excursion because that preserves the mark too.
799 (let ((point-save (point)))
800 (unwind-protect
801 (progn (mouse-set-point click)
802 (push-mark nil t t)
803 (or transient-mark-mode
804 (sit-for 1)))
805 (goto-char point-save))))
807 (defun mouse-kill (click)
808 "Kill the region between point and the mouse click.
810 (interactive "e")
811 (mouse-minibuffer-check click)
812 (let* ((posn (event-start click))
813 (click-posn (posn-point posn)))
814 (select-window (posn-window posn))
815 (if (numberp click-posn)
816 (kill-region (min (point) click-posn)
817 (max (point) click-posn)))))
819 (defun mouse-yank-at-click (click arg)
820 "Insert the last stretch of killed text at the position clicked on.
821 Also move point to one end of the text thus inserted (normally the end).
823 If `mouse-yank-at-point' is non-nil, insert at point
824 regardless of where you click."
826 ;; Give temporary modes such as isearch a chance to turn off.
827 (run-hooks 'mouse-leave-buffer-hook)
828 (or mouse-yank-at-point (mouse-set-point click))
829 (setq this-command 'yank)
830 (setq mouse-selection-click-count 0)
831 (yank arg))
833 (defun mouse-kill-ring-save (click)
834 "Copy the region between point and the mouse click in the kill ring.
836 (interactive "e")
837 (mouse-set-mark-fast click)
838 (let (this-command last-command)
839 (kill-ring-save (point) (mark t)))
840 (mouse-show-mark))
842 ;;; This function used to delete the text between point and the mouse
843 ;;; whenever it was equal to the front of the kill ring, but some
844 ;;; people found that confusing.
846 ;;; A list (TEXT START END), describing the text and position of the last
847 ;;; invocation of mouse-save-then-kill.
848 (defvar mouse-save-then-kill-posn nil)
850 (defun mouse-save-then-kill-delete-region (beg end)
851 ;; We must make our own undo boundaries
852 ;; because they happen automatically only for the current buffer.
853 (undo-boundary)
854 (if (or (= beg end) (eq buffer-undo-list t))
855 ;; If we have no undo list in this buffer,
856 ;; just delete.
857 (delete-region beg end)
858 ;; Delete, but make the undo-list entry share with the kill ring.
859 ;; First, delete just one char, so in case buffer is being modified
860 ;; for the first time, the undo list records that fact.
861 (let (before-change-function after-change-function
862 before-change-functions after-change-functions)
863 (delete-region beg
864 (+ beg (if (> end beg) 1 -1))))
865 (let ((buffer-undo-list buffer-undo-list))
866 ;; Undo that deletion--but don't change the undo list!
867 (let (before-change-function after-change-function
868 before-change-functions after-change-functions)
869 (primitive-undo 1 buffer-undo-list))
870 ;; Now delete the rest of the specified region,
871 ;; but don't record it.
872 (setq buffer-undo-list t)
873 (if (/= (length (car kill-ring)) (- (max end beg) (min end beg)))
874 (error "Lossage in mouse-save-then-kill-delete-region"))
875 (delete-region beg end))
876 (let ((tail buffer-undo-list))
877 ;; Search back in buffer-undo-list for the string
878 ;; that came from deleting one character.
879 (while (and tail (not (stringp (car (car tail)))))
880 (setq tail (cdr tail)))
881 ;; Replace it with an entry for the entire deleted text.
882 (and tail
883 (setcar tail (cons (car kill-ring) (min beg end))))))
884 (undo-boundary))
886 (defun mouse-save-then-kill (click)
887 "Save text to point in kill ring; the second time, kill the text.
888 If the text between point and the mouse is the same as what's
889 at the front of the kill ring, this deletes the text.
891 which prepares for a second click to delete the text.
893 If you have selected words or lines, this command extends the
894 selection through the word or line clicked on. If you do this
895 again in a different position, it extends the selection again.
896 If you do this twice in the same position, the selection is killed."
897 (interactive "e")
898 (let ((before-scroll point-before-scroll))
899 (mouse-minibuffer-check click)
900 (let ((click-posn (posn-point (event-start click)))
901 ;; Don't let a subsequent kill command append to this one:
902 ;; prevent setting this-command to kill-region.
903 (this-command this-command))
904 (if (and (save-excursion
905 (set-buffer (window-buffer (posn-window (event-start click))))
906 (and (mark t) (> (mod mouse-selection-click-count 3) 0)
907 ;; Don't be fooled by a recent click in some other buffer.
908 (eq mouse-selection-click-count-buffer
909 (current-buffer)))))
910 (if (not (and (eq last-command 'mouse-save-then-kill)
911 (equal click-posn
912 (car (cdr-safe (cdr-safe mouse-save-then-kill-posn))))))
913 ;; Find both ends of the object selected by this click.
914 (let* ((range
915 (mouse-start-end click-posn click-posn
916 mouse-selection-click-count)))
917 ;; Move whichever end is closer to the click.
918 ;; That's what xterm does, and it seems reasonable.
919 (if (< (abs (- click-posn (mark t)))
920 (abs (- click-posn (point))))
921 (set-mark (car range))
922 (goto-char (nth 1 range)))
923 ;; We have already put the old region in the kill ring.
924 ;; Replace it with the extended region.
925 ;; (It would be annoying to make a separate entry.)
926 (kill-new (buffer-substring (point) (mark t)) t)
927 (mouse-set-region-1)
928 ;; Arrange for a repeated mouse-3 to kill this region.
929 (setq mouse-save-then-kill-posn
930 (list (car kill-ring) (point) click-posn))
931 (mouse-show-mark))
932 ;; If we click this button again without moving it,
933 ;; that time kill.
934 (mouse-save-then-kill-delete-region (mark) (point))
935 (setq mouse-selection-click-count 0)
936 (setq mouse-save-then-kill-posn nil))
937 (if (and (eq last-command 'mouse-save-then-kill)
938 mouse-save-then-kill-posn
939 (eq (car mouse-save-then-kill-posn) (car kill-ring))
940 (equal (cdr mouse-save-then-kill-posn) (list (point) click-posn)))
941 ;; If this is the second time we've called
942 ;; mouse-save-then-kill, delete the text from the buffer.
943 (progn
944 (mouse-save-then-kill-delete-region (point) (mark))
945 ;; After we kill, another click counts as "the first time".
946 (setq mouse-save-then-kill-posn nil))
947 ;; This is not a repetition.
948 ;; We are adjusting an old selection or creating a new one.
949 (if (or (and (eq last-command 'mouse-save-then-kill)
950 mouse-save-then-kill-posn)
951 (and mark-active transient-mark-mode)
952 (and (memq last-command
953 '(mouse-drag-region mouse-set-region))
954 (or mark-even-if-inactive
955 (not transient-mark-mode))))
956 ;; We have a selection or suitable region, so adjust it.
957 (let* ((posn (event-start click))
958 (new (posn-point posn)))
959 (select-window (posn-window posn))
960 (if (numberp new)
961 (progn
962 ;; Move whichever end of the region is closer to the click.
963 ;; That is what xterm does, and it seems reasonable.
964 (if (< (abs (- new (point))) (abs (- new (mark t))))
965 (goto-char new)
966 (set-mark new))
967 (setq deactivate-mark nil)))
968 (kill-new (buffer-substring (point) (mark t)) t)
969 (mouse-show-mark))
970 ;; Set the mark where point is, then move where clicked.
971 (mouse-set-mark-fast click)
972 (if before-scroll
973 (goto-char before-scroll))
974 (exchange-point-and-mark)
975 (kill-new (buffer-substring (point) (mark t)))
976 (if window-system
977 (mouse-show-mark)))
978 (mouse-set-region-1)
979 (setq mouse-save-then-kill-posn
980 (list (car kill-ring) (point) click-posn)))))))
981 \f
982 (global-set-key [M-mouse-1] 'mouse-start-secondary)
983 (global-set-key [M-drag-mouse-1] 'mouse-set-secondary)
984 (global-set-key [M-down-mouse-1] 'mouse-drag-secondary)
985 (global-set-key [M-mouse-3] 'mouse-secondary-save-then-kill)
986 (global-set-key [M-mouse-2] 'mouse-yank-secondary)
988 ;; An overlay which records the current secondary selection
989 ;; or else is deleted when there is no secondary selection.
990 ;; May be nil.
991 (defvar mouse-secondary-overlay nil)
993 (defvar mouse-secondary-click-count 0)
995 ;; A marker which records the specified first end for a secondary selection.
996 ;; May be nil.
997 (defvar mouse-secondary-start nil)
999 (defun mouse-start-secondary (click)
1000 "Set one end of the secondary selection to the position clicked on.
1002 and complete the secondary selection."
1003 (interactive "e")
1004 (mouse-minibuffer-check click)
1005 (let ((posn (event-start click)))
1006 (save-excursion
1007 (set-buffer (window-buffer (posn-window posn)))
1008 ;; Cancel any preexisting secondary selection.
1009 (if mouse-secondary-overlay
1010 (delete-overlay mouse-secondary-overlay))
1011 (if (numberp (posn-point posn))
1012 (progn
1013 (or mouse-secondary-start
1014 (setq mouse-secondary-start (make-marker)))
1015 (move-marker mouse-secondary-start (posn-point posn)))))))
1017 (defun mouse-set-secondary (click)
1018 "Set the secondary selection to the text that the mouse is dragged over.
1019 This must be bound to a mouse drag event."
1020 (interactive "e")
1021 (mouse-minibuffer-check click)
1022 (let ((posn (event-start click))
1023 beg
1024 (end (event-end click)))
1025 (save-excursion
1026 (set-buffer (window-buffer (posn-window posn)))
1027 (if (numberp (posn-point posn))
1028 (setq beg (posn-point posn)))
1029 (if mouse-secondary-overlay
1030 (move-overlay mouse-secondary-overlay beg (posn-point end))
1031 (setq mouse-secondary-overlay (make-overlay beg (posn-point end))))
1032 (overlay-put mouse-secondary-overlay 'face 'secondary-selection))))
1034 (defun mouse-drag-secondary (start-event)
1035 "Set the secondary selection to the text that the mouse is dragged over.
1036 Highlight the drag area as you move the mouse.
1037 This must be bound to a button-down mouse event.
1038 The function returns a non-nil value if it creates a secondary selection."
1039 (interactive "e")
1040 (mouse-minibuffer-check start-event)
1041 (let* ((echo-keystrokes 0)
1042 (start-posn (event-start start-event))
1043 (start-point (posn-point start-posn))
1044 (start-window (posn-window start-posn))
1045 (start-frame (window-frame start-window))
1046 (bounds (window-edges start-window))
1047 (top (nth 1 bounds))
1048 (bottom (if (window-minibuffer-p start-window)
1049 (nth 3 bounds)
1050 ;; Don't count the mode line.
1051 (1- (nth 3 bounds))))
1052 (click-count (1- (event-click-count start-event))))
1053 (save-excursion
1054 (set-buffer (window-buffer start-window))
1055 (setq mouse-secondary-click-count click-count)
1056 (or mouse-secondary-overlay
1057 (setq mouse-secondary-overlay
1058 (make-overlay (point) (point))))
1059 (overlay-put mouse-secondary-overlay 'face 'secondary-selection)
1060 (if (> (mod click-count 3) 0)
1061 ;; Double or triple press: make an initial selection
1062 ;; of one word or line.
1063 (let ((range (mouse-start-end start-point start-point click-count)))
1064 (set-marker mouse-secondary-start nil)
1065 (move-overlay mouse-secondary-overlay 1 1
1066 (window-buffer start-window))
1067 (move-overlay mouse-secondary-overlay (car range) (nth 1 range)
1068 (window-buffer start-window)))
1069 ;; Single-press: cancel any preexisting secondary selection.
1070 (or mouse-secondary-start
1071 (setq mouse-secondary-start (make-marker)))
1072 (set-marker mouse-secondary-start start-point)
1073 (delete-overlay mouse-secondary-overlay))
1074 (let (event end end-point)
1075 (track-mouse
1076 (while (progn
1077 (setq event (read-event))
1078 (or (mouse-movement-p event)
1079 (eq (car-safe event) 'switch-frame)))
1081 (if (eq (car-safe event) 'switch-frame)
1082 nil
1083 (setq end (event-end event)
1084 end-point (posn-point end))
1085 (cond
1086 ;; Are we moving within the original window?
1087 ((and (eq (posn-window end) start-window)
1088 (integer-or-marker-p end-point))
1089 (let ((range (mouse-start-end start-point end-point
1090 click-count)))
1091 (if (or (/= start-point end-point)
1092 (null (marker-position mouse-secondary-start)))
1093 (progn
1094 (set-marker mouse-secondary-start nil)
1095 (move-overlay mouse-secondary-overlay
1096 (car range) (nth 1 range))))))
1097 (t
1098 (let ((mouse-row (cdr (cdr (mouse-position)))))
1099 (cond
1100 ((null mouse-row))
1101 ((< mouse-row top)
1102 (mouse-scroll-subr start-window (- mouse-row top)
1103 mouse-secondary-overlay start-point))
1104 ((>= mouse-row bottom)
1105 (mouse-scroll-subr start-window (1+ (- mouse-row bottom))
1106 mouse-secondary-overlay start-point)))))))))
1108 (if (consp event)
1109 (if (marker-position mouse-secondary-start)
1110 (save-window-excursion
1111 (delete-overlay mouse-secondary-overlay)
1112 (x-set-selection 'SECONDARY nil)
1113 (select-window start-window)
1114 (save-excursion
1115 (goto-char mouse-secondary-start)
1116 (sit-for 1)
1117 nil))
1118 (x-set-selection
1119 'SECONDARY
1120 (buffer-substring (overlay-start mouse-secondary-overlay)
1121 (overlay-end mouse-secondary-overlay)))))))))
1123 (defun mouse-yank-secondary (click)
1124 "Insert the secondary selection at the position clicked on.
1125 Move point to the end of the inserted text.
1126 If `mouse-yank-at-point' is non-nil, insert at point
1127 regardless of where you click."
1128 (interactive "e")
1129 ;; Give temporary modes such as isearch a chance to turn off.
1130 (run-hooks 'mouse-leave-buffer-hook)
1131 (or mouse-yank-at-point (mouse-set-point click))
1132 (insert (x-get-selection 'SECONDARY)))
1134 (defun mouse-kill-secondary ()
1135 "Kill the text in the secondary selection.
1136 This is intended more as a keyboard command than as a mouse command
1137 but it can work as either one.
1139 The current buffer (in case of keyboard use), or the buffer clicked on,
1140 must be the one that the secondary selection is in. This requirement
1141 is to prevent accidents."
1142 (interactive)
1143 (let* ((keys (this-command-keys))
1144 (click (elt keys (1- (length keys)))))
1145 (or (eq (overlay-buffer mouse-secondary-overlay)
1146 (if (listp click)
1147 (window-buffer (posn-window (event-start click)))
1148 (current-buffer)))
1149 (error "Select or click on the buffer where the secondary selection is")))
1150 (let (this-command)
1151 (save-excursion
1152 (set-buffer (overlay-buffer mouse-secondary-overlay))
1153 (kill-region (overlay-start mouse-secondary-overlay)
1154 (overlay-end mouse-secondary-overlay))))
1155 (delete-overlay mouse-secondary-overlay)
1156 ;;; (x-set-selection 'SECONDARY nil)
1157 (setq mouse-secondary-overlay nil))
1159 (defun mouse-secondary-save-then-kill (click)
1160 "Save text to point in kill ring; the second time, kill the text.
1163 you use this command matches the text at the front of the kill ring,
1164 this command deletes the text.
1166 which prepares for a second click with this command to delete the text.
1168 If you have already made a secondary selection in that buffer,
1169 this command extends or retracts the selection to where you click.
1170 If you do this again in a different position, it extends or retracts
1171 again. If you do this twice in the same position, it kills the selection."
1172 (interactive "e")
1173 (mouse-minibuffer-check click)
1174 (let ((posn (event-start click))
1175 (click-posn (posn-point (event-start click)))
1176 ;; Don't let a subsequent kill command append to this one:
1177 ;; prevent setting this-command to kill-region.
1178 (this-command this-command))
1179 (or (eq (window-buffer (posn-window posn))
1180 (or (and mouse-secondary-overlay
1181 (overlay-buffer mouse-secondary-overlay))
1182 (if mouse-secondary-start
1183 (marker-buffer mouse-secondary-start))))
1184 (error "Wrong buffer"))
1185 (save-excursion
1186 (set-buffer (window-buffer (posn-window posn)))
1187 (if (> (mod mouse-secondary-click-count 3) 0)
1188 (if (not (and (eq last-command 'mouse-secondary-save-then-kill)
1189 (equal click-posn
1190 (car (cdr-safe (cdr-safe mouse-save-then-kill-posn))))))
1191 ;; Find both ends of the object selected by this click.
1192 (let* ((range
1193 (mouse-start-end click-posn click-posn
1194 mouse-secondary-click-count)))
1195 ;; Move whichever end is closer to the click.
1196 ;; That's what xterm does, and it seems reasonable.
1197 (if (< (abs (- click-posn (overlay-start mouse-secondary-overlay)))
1198 (abs (- click-posn (overlay-end mouse-secondary-overlay))))
1199 (move-overlay mouse-secondary-overlay (car range)
1200 (overlay-end mouse-secondary-overlay))
1201 (move-overlay mouse-secondary-overlay
1202 (overlay-start mouse-secondary-overlay)
1203 (nth 1 range)))
1204 ;; We have already put the old region in the kill ring.
1205 ;; Replace it with the extended region.
1206 ;; (It would be annoying to make a separate entry.)
1207 (kill-new (buffer-substring
1208 (overlay-start mouse-secondary-overlay)
1209 (overlay-end mouse-secondary-overlay)) t)
1210 ;; Arrange for a repeated mouse-3 to kill this region.
1211 (setq mouse-save-then-kill-posn
1212 (list (car kill-ring) (point) click-posn)))
1213 ;; If we click this button again without moving it,
1214 ;; that time kill.
1215 (progn
1216 (mouse-save-then-kill-delete-region
1217 (overlay-start mouse-secondary-overlay)
1218 (overlay-end mouse-secondary-overlay))
1219 (setq mouse-save-then-kill-posn nil)
1220 (setq mouse-secondary-click-count 0)
1221 (delete-overlay mouse-secondary-overlay)))
1222 (if (and (eq last-command 'mouse-secondary-save-then-kill)
1223 mouse-save-then-kill-posn
1224 (eq (car mouse-save-then-kill-posn) (car kill-ring))
1225 (equal (cdr mouse-save-then-kill-posn) (list (point) click-posn)))
1226 ;; If this is the second time we've called
1227 ;; mouse-secondary-save-then-kill, delete the text from the buffer.
1228 (progn
1229 (mouse-save-then-kill-delete-region
1230 (overlay-start mouse-secondary-overlay)
1231 (overlay-end mouse-secondary-overlay))
1232 (setq mouse-save-then-kill-posn nil)
1233 (delete-overlay mouse-secondary-overlay))
1234 (if (overlay-start mouse-secondary-overlay)
1235 ;; We have a selection, so adjust it.
1236 (progn
1237 (if (numberp click-posn)
1238 (progn
1239 ;; Move whichever end of the region is closer to the click.
1240 ;; That is what xterm does, and it seems reasonable.
1241 (if (< (abs (- click-posn (overlay-start mouse-secondary-overlay)))
1242 (abs (- click-posn (overlay-end mouse-secondary-overlay))))
1243 (move-overlay mouse-secondary-overlay click-posn
1244 (overlay-end mouse-secondary-overlay))
1245 (move-overlay mouse-secondary-overlay
1246 (overlay-start mouse-secondary-overlay)
1247 click-posn))
1248 (setq deactivate-mark nil)))
1249 (if (eq last-command 'mouse-secondary-save-then-kill)
1250 ;; If the front of the kill ring comes from
1251 ;; an immediately previous use of this command,
1252 ;; replace it with the extended region.
1253 ;; (It would be annoying to make a separate entry.)
1254 (kill-new (buffer-substring
1255 (overlay-start mouse-secondary-overlay)
1256 (overlay-end mouse-secondary-overlay)) t)
1257 (copy-region-as-kill (overlay-start mouse-secondary-overlay)
1258 (overlay-end mouse-secondary-overlay))))
1259 (if mouse-secondary-start
1260 ;; All we have is one end of a selection,
1261 ;; so put the other end here.
1262 (let ((start (+ 0 mouse-secondary-start)))
1263 (kill-ring-save start click-posn)
1264 (if mouse-secondary-overlay
1265 (move-overlay mouse-secondary-overlay start click-posn)
1266 (setq mouse-secondary-overlay (make-overlay start click-posn)))
1267 (overlay-put mouse-secondary-overlay 'face 'secondary-selection))))
1268 (setq mouse-save-then-kill-posn
1269 (list (car kill-ring) (point) click-posn))))
1270 (if (overlay-buffer mouse-secondary-overlay)
1271 (x-set-selection 'SECONDARY
1272 (buffer-substring
1273 (overlay-start mouse-secondary-overlay)
1274 (overlay-end mouse-secondary-overlay)))))))
1275 \f
1276 (defcustom mouse-menu-buffer-maxlen 20
1277 "*Number of buffers in one pane (submenu) of the buffer menu.
1278 If we have lots of buffers, divide them into groups of
1279 `mouse-menu-buffer-maxlen' and make a pane (or submenu) for each one."
1280 :type 'integer
1281 :group 'mouse)
1283 (defvar mouse-buffer-menu-mode-groups
1286 . "Mail/News")
1288 ("ObjC" . "C")
1289 ("Text" . "Text")
1290 ("Outline" . "Text")
1291 ("Lisp" . "Lisp"))
1293 Each element has the form (REGEXP . GROUPNAME).
1294 If the major mode's name string matches REGEXP, use GROUPNAME instead.")
1296 (defun mouse-buffer-menu (event)
1297 "Pop up a menu of buffers for selection with the mouse.
1298 This switches buffers in the window that you clicked on,
1299 and selects that window."
1300 (interactive "e")
1301 (mouse-minibuffer-check event)
1302 (let (buffers alist menu split-by-major-mode sum-of-squares)
1303 (setq buffers (buffer-list))
1304 ;; Make an alist of elements that look like (MENU-ITEM . BUFFER).
1305 (let ((tail buffers))
1306 (while tail
1307 ;; Divide all buffers into buckets for various major modes.
1308 ;; Each bucket looks like (MODE NAMESTRING BUFFERS...).
1309 (with-current-buffer (car tail)
1310 (let* ((adjusted-major-mode major-mode) elt)
1311 (let ((tail mouse-buffer-menu-mode-groups))
1312 (while tail
1313 (if (string-match (car (car tail)) mode-name)
1314 (setq adjusted-major-mode (cdr (car tail))))
1315 (setq tail (cdr tail))))
1316 (setq elt (assoc adjusted-major-mode split-by-major-mode))
1317 (if (null elt)
1318 (setq elt (list adjusted-major-mode
1319 (if (stringp adjusted-major-mode)
1320 adjusted-major-mode
1321 mode-name))
1322 split-by-major-mode (cons elt split-by-major-mode)))
1323 (or (memq (car tail) (cdr (cdr elt)))
1324 (setcdr (cdr elt) (cons (car tail) (cdr (cdr elt)))))))
1325 (setq tail (cdr tail))))
1326 ;; Compute the sum of squares of sizes of the major-mode buckets.
1327 (let ((tail split-by-major-mode))
1328 (setq sum-of-squares 0)
1329 (while tail
1330 (setq sum-of-squares
1331 (+ sum-of-squares
1332 (* (length (cdr (cdr (car tail))))
1333 (length (cdr (cdr (car tail)))))))
1334 (setq tail (cdr tail))))
1335 (if (< (* sum-of-squares 4) (* (length buffers) (length buffers)))
1336 ;; Subdividing by major modes really helps, so let's do it.
1337 (let (subdivided-menus (buffers-left (length buffers)))
1338 ;; Sort the list to put the most popular major modes first.
1339 (setq split-by-major-mode
1340 (sort split-by-major-mode
1341 (function (lambda (elt1 elt2)
1342 (> (length elt1) (length elt2))))))
1343 ;; Make a separate submenu for each major mode
1344 ;; that has more than one buffer,
1345 ;; unless all the remaining buffers are less than 1/10 of them.
1346 (while (and split-by-major-mode
1347 (and (> (length (car split-by-major-mode)) 3)
1348 (> (* buffers-left 10) (length buffers))))
1349 (setq subdivided-menus
1350 (cons (cons
1351 (nth 1 (car split-by-major-mode))
1352 (mouse-buffer-menu-alist
1353 (cdr (cdr (car split-by-major-mode)))))
1354 subdivided-menus))
1355 (setq buffers-left
1356 (- buffers-left (length (cdr (car split-by-major-mode)))))
1357 (setq split-by-major-mode (cdr split-by-major-mode)))
1358 ;; If any major modes are left over,
1359 ;; make a single submenu for them.
1360 (if split-by-major-mode
1361 (setq subdivided-menus
1362 (cons (cons
1363 "Others"
1364 (mouse-buffer-menu-alist
1365 (apply 'append
1366 (mapcar 'cdr
1367 (mapcar 'cdr split-by-major-mode)))))
1368 subdivided-menus)))
1369 (setq subdivided-menus
1370 (nreverse subdivided-menus))
1371 (setq menu (cons "Buffer Menu" subdivided-menus)))
1372 (progn
1373 (setq alist (mouse-buffer-menu-alist buffers))
1374 (setq menu (cons "Buffer Menu"
1375 (mouse-buffer-menu-split "Select Buffer" alist)))))
1376 (let ((buf (x-popup-menu event menu))
1377 (window (posn-window (event-start event))))
1378 (if buf
1379 (progn
1380 (or (framep window) (select-window window))
1381 (switch-to-buffer buf))))))
1383 (defun mouse-buffer-menu-alist (buffers)
1384 (let (tail
1385 (maxlen 0)
1386 head)
1387 (setq buffers
1388 (sort buffers
1389 (function (lambda (elt1 elt2)
1390 (string< (buffer-name elt1) (buffer-name elt2))))))
1391 (setq tail buffers)
1392 (while tail
1393 (or (eq ?\ (aref (buffer-name (car tail)) 0))
1394 (setq maxlen
1395 (max maxlen
1396 (length (buffer-name (car tail))))))
1397 (setq tail (cdr tail)))
1398 (setq tail buffers)
1399 (while tail
1400 (let ((elt (car tail)))
1401 (if (/= (aref (buffer-name elt) 0) ?\ )
1402 (setq head
1403 (cons
1404 (cons
1405 (format
1406 (format "%%%ds %%s%%s %%s" maxlen)
1407 (buffer-name elt)
1408 (if (buffer-modified-p elt) "*" " ")
1409 (save-excursion
1410 (set-buffer elt)
1411 (if buffer-read-only "%" " "))
1412 (or (buffer-file-name elt)
1413 (save-excursion
1414 (set-buffer elt)
1415 (if list-buffers-directory
1416 (expand-file-name
1417 list-buffers-directory)))
1418 ""))
1419 elt)
1420 head))))
1421 (setq tail (cdr tail)))
1422 ;; Compensate for the reversal that the above loop does.
1423 (nreverse head)))
1425 (defun mouse-buffer-menu-split (title alist)
1426 ;; If we have lots of buffers, divide them into groups of 20
1427 ;; and make a pane (or submenu) for each one.
1428 (if (> (length alist) (/ (* mouse-menu-buffer-maxlen 3) 2))
1429 (let ((alist alist) sublists next
1430 (i 1))
1431 (while alist
1432 ;; Pull off the next mouse-menu-buffer-maxlen buffers
1433 ;; and make them the next element of sublist.
1434 (setq next (nthcdr mouse-menu-buffer-maxlen alist))
1435 (if next
1436 (setcdr (nthcdr (1- mouse-menu-buffer-maxlen) alist)
1437 nil))
1438 (setq sublists (cons (cons (format "Buffers %d" i) alist)
1439 sublists))
1440 (setq i (1+ i))
1441 (setq alist next))
1442 (nreverse sublists))
1443 ;; Few buffers--put them all in one pane.
1444 (list (cons title alist))))
1445 \f
1446 ;;; These need to be rewritten for the new scroll bar implementation.
1448 ;;;!! ;; Commands for the scroll bar.
1449 ;;;!!
1450 ;;;!! (defun mouse-scroll-down (click)
1451 ;;;!! (interactive "@e")
1452 ;;;!! (scroll-down (1+ (cdr (mouse-coords click)))))
1453 ;;;!!
1454 ;;;!! (defun mouse-scroll-up (click)
1455 ;;;!! (interactive "@e")
1456 ;;;!! (scroll-up (1+ (cdr (mouse-coords click)))))
1457 ;;;!!
1458 ;;;!! (defun mouse-scroll-down-full ()
1459 ;;;!! (interactive "@")
1460 ;;;!! (scroll-down nil))
1461 ;;;!!
1462 ;;;!! (defun mouse-scroll-up-full ()
1463 ;;;!! (interactive "@")
1464 ;;;!! (scroll-up nil))
1465 ;;;!!
1466 ;;;!! (defun mouse-scroll-move-cursor (click)
1467 ;;;!! (interactive "@e")
1468 ;;;!! (move-to-window-line (1+ (cdr (mouse-coords click)))))
1469 ;;;!!
1470 ;;;!! (defun mouse-scroll-absolute (event)
1471 ;;;!! (interactive "@e")
1472 ;;;!! (let* ((pos (car event))
1473 ;;;!! (position (car pos))
1474 ;;;!! (length (car (cdr pos))))
1475 ;;;!! (if (<= length 0) (setq length 1))
1476 ;;;!! (let* ((scale-factor (max 1 (/ length (/ 8000000 (buffer-size)))))
1477 ;;;!! (newpos (* (/ (* (/ (buffer-size) scale-factor)
1478 ;;;!! position)
1479 ;;;!! length)
1480 ;;;!! scale-factor)))
1481 ;;;!! (goto-char newpos)
1482 ;;;!! (recenter '(4)))))
1483 ;;;!!
1484 ;;;!! (defun mouse-scroll-left (click)
1485 ;;;!! (interactive "@e")
1486 ;;;!! (scroll-left (1+ (car (mouse-coords click)))))
1487 ;;;!!
1488 ;;;!! (defun mouse-scroll-right (click)
1489 ;;;!! (interactive "@e")
1490 ;;;!! (scroll-right (1+ (car (mouse-coords click)))))
1491 ;;;!!
1492 ;;;!! (defun mouse-scroll-left-full ()
1493 ;;;!! (interactive "@")
1494 ;;;!! (scroll-left nil))
1495 ;;;!!
1496 ;;;!! (defun mouse-scroll-right-full ()
1497 ;;;!! (interactive "@")
1498 ;;;!! (scroll-right nil))
1499 ;;;!!
1500 ;;;!! (defun mouse-scroll-move-cursor-horizontally (click)
1501 ;;;!! (interactive "@e")
1502 ;;;!! (move-to-column (1+ (car (mouse-coords click)))))
1503 ;;;!!
1504 ;;;!! (defun mouse-scroll-absolute-horizontally (event)
1505 ;;;!! (interactive "@e")
1506 ;;;!! (let* ((pos (car event))
1507 ;;;!! (position (car pos))
1508 ;;;!! (length (car (cdr pos))))
1509 ;;;!! (set-window-hscroll (selected-window) 33)))
1510 ;;;!!
1511 ;;;!! (global-set-key [scroll-bar mouse-1] 'mouse-scroll-up)
1512 ;;;!! (global-set-key [scroll-bar mouse-2] 'mouse-scroll-absolute)
1513 ;;;!! (global-set-key [scroll-bar mouse-3] 'mouse-scroll-down)
1514 ;;;!!
1515 ;;;!! (global-set-key [vertical-slider mouse-1] 'mouse-scroll-move-cursor)
1516 ;;;!! (global-set-key [vertical-slider mouse-2] 'mouse-scroll-move-cursor)
1517 ;;;!! (global-set-key [vertical-slider mouse-3] 'mouse-scroll-move-cursor)
1518 ;;;!!
1519 ;;;!! (global-set-key [thumbup mouse-1] 'mouse-scroll-up-full)
1520 ;;;!! (global-set-key [thumbup mouse-2] 'mouse-scroll-up-full)
1521 ;;;!! (global-set-key [thumbup mouse-3] 'mouse-scroll-up-full)
1522 ;;;!!
1523 ;;;!! (global-set-key [thumbdown mouse-1] 'mouse-scroll-down-full)
1524 ;;;!! (global-set-key [thumbdown mouse-2] 'mouse-scroll-down-full)
1525 ;;;!! (global-set-key [thumbdown mouse-3] 'mouse-scroll-down-full)
1526 ;;;!!
1527 ;;;!! (global-set-key [horizontal-scroll-bar mouse-1] 'mouse-scroll-left)
1528 ;;;!! (global-set-key [horizontal-scroll-bar mouse-2]
1529 ;;;!! 'mouse-scroll-absolute-horizontally)
1530 ;;;!! (global-set-key [horizontal-scroll-bar mouse-3] 'mouse-scroll-right)
1531 ;;;!!
1532 ;;;!! (global-set-key [horizontal-slider mouse-1]
1533 ;;;!! 'mouse-scroll-move-cursor-horizontally)
1534 ;;;!! (global-set-key [horizontal-slider mouse-2]
1535 ;;;!! 'mouse-scroll-move-cursor-horizontally)
1536 ;;;!! (global-set-key [horizontal-slider mouse-3]
1537 ;;;!! 'mouse-scroll-move-cursor-horizontally)
1538 ;;;!!
1539 ;;;!! (global-set-key [thumbleft mouse-1] 'mouse-scroll-left-full)
1540 ;;;!! (global-set-key [thumbleft mouse-2] 'mouse-scroll-left-full)
1541 ;;;!! (global-set-key [thumbleft mouse-3] 'mouse-scroll-left-full)
1542 ;;;!!
1543 ;;;!! (global-set-key [thumbright mouse-1] 'mouse-scroll-right-full)
1544 ;;;!! (global-set-key [thumbright mouse-2] 'mouse-scroll-right-full)
1545 ;;;!! (global-set-key [thumbright mouse-3] 'mouse-scroll-right-full)
1546 ;;;!!
1547 ;;;!! (global-set-key [horizontal-scroll-bar S-mouse-2]
1548 ;;;!! 'mouse-split-window-horizontally)
1549 ;;;!! (global-set-key [mode-line S-mouse-2]
1550 ;;;!! 'mouse-split-window-horizontally)
1551 ;;;!! (global-set-key [vertical-scroll-bar S-mouse-2]
1552 ;;;!! 'mouse-split-window)
1553 \f
1554 ;;;!! ;;;;
1555 ;;;!! ;;;; Here are experimental things being tested. Mouse events
1556 ;;;!! ;;;; are of the form:
1557 ;;;!! ;;;; ((x y) window screen-part key-sequence timestamp)
1558 ;;;!! ;;
1559 ;;;!! ;;;;
1560 ;;;!! ;;;; Dynamically track mouse coordinates
1561 ;;;!! ;;;;
1562 ;;;!! ;;
1563 ;;;!! ;;(defun track-mouse (event)
1564 ;;;!! ;; "Track the coordinates, absolute and relative, of the mouse."
1565 ;;;!! ;; (interactive "@e")
1566 ;;;!! ;; (while mouse-grabbed
1567 ;;;!! ;; (let* ((pos (read-mouse-position (selected-screen)))
1568 ;;;!! ;; (abs-x (car pos))
1569 ;;;!! ;; (abs-y (cdr pos))
1570 ;;;!! ;; (relative-coordinate (coordinates-in-window-p
1571 ;;;!! ;; (list (car pos) (cdr pos))
1572 ;;;!! ;; (selected-window))))
1573 ;;;!! ;; (if (consp relative-coordinate)
1574 ;;;!! ;; (message "mouse: [%d %d], (%d %d)" abs-x abs-y
1575 ;;;!! ;; (car relative-coordinate)
1576 ;;;!! ;; (car (cdr relative-coordinate)))
1577 ;;;!! ;; (message "mouse: [%d %d]" abs-x abs-y)))))
1578 ;;;!!
1579 ;;;!! ;;
1580 ;;;!! ;; Dynamically put a box around the line indicated by point
1581 ;;;!! ;;
1582 ;;;!! ;;
1583 ;;;!! ;;(require 'backquote)
1584 ;;;!! ;;
1585 ;;;!! ;;(defun mouse-select-buffer-line (event)
1586 ;;;!! ;; (interactive "@e")
1587 ;;;!! ;; (let ((relative-coordinate
1588 ;;;!! ;; (coordinates-in-window-p (car event) (selected-window)))
1589 ;;;!! ;; (abs-y (car (cdr (car event)))))
1590 ;;;!! ;; (if (consp relative-coordinate)
1591 ;;;!! ;; (progn
1592 ;;;!! ;; (save-excursion
1593 ;;;!! ;; (move-to-window-line (car (cdr relative-coordinate)))
1594 ;;;!! ;; (x-draw-rectangle
1595 ;;;!! ;; (selected-screen)
1596 ;;;!! ;; abs-y 0
1597 ;;;!! ;; (save-excursion
1598 ;;;!! ;; (move-to-window-line (car (cdr relative-coordinate)))
1599 ;;;!! ;; (end-of-line)
1600 ;;;!! ;; (push-mark nil t)
1601 ;;;!! ;; (beginning-of-line)
1602 ;;;!! ;; (- (region-end) (region-beginning))) 1))
1603 ;;;!! ;; (sit-for 1)
1604 ;;;!! ;; (x-erase-rectangle (selected-screen))))))
1605 ;;;!! ;;
1606 ;;;!! ;;(defvar last-line-drawn nil)
1609 ;;;!! ;;
1610 ;;;!! ;;(defun mouse-boxing (event)
1611 ;;;!! ;; (interactive "@e")
1612 ;;;!! ;; (save-excursion
1613 ;;;!! ;; (let ((screen (selected-screen)))
1614 ;;;!! ;; (while (= (x-mouse-events) 0)
1615 ;;;!! ;; (let* ((pos (read-mouse-position screen))
1616 ;;;!! ;; (abs-x (car pos))
1617 ;;;!! ;; (abs-y (cdr pos))
1618 ;;;!! ;; (relative-coordinate
1619 ;;;!! ;; (coordinates-in-window-p (` ((, abs-x) (, abs-y)))
1620 ;;;!! ;; (selected-window)))
1621 ;;;!! ;; (begin-reg nil)
1622 ;;;!! ;; (end-reg nil)
1623 ;;;!! ;; (end-column nil)
1624 ;;;!! ;; (begin-column nil))
1625 ;;;!! ;; (if (and (consp relative-coordinate)
1626 ;;;!! ;; (or (not last-line-drawn)
1627 ;;;!! ;; (not (= last-line-drawn abs-y))))
1628 ;;;!! ;; (progn
1629 ;;;!! ;; (move-to-window-line (car (cdr relative-coordinate)))
1630 ;;;!! ;; (if (= (following-char) 10)
1631 ;;;!! ;; ()
1632 ;;;!! ;; (progn
1633 ;;;!! ;; (setq begin-reg (1- (re-search-forward end-delim)))
1634 ;;;!! ;; (setq begin-column (1- (current-column)))
1635 ;;;!! ;; (end-of-line)
1636 ;;;!! ;; (setq end-reg (1+ (re-search-backward begin-delim)))
1637 ;;;!! ;; (setq end-column (1+ (current-column)))
1638 ;;;!! ;; (message "%s" (buffer-substring begin-reg end-reg))
1639 ;;;!! ;; (x-draw-rectangle screen
1640 ;;;!! ;; (setq last-line-drawn abs-y)
1641 ;;;!! ;; begin-column
1642 ;;;!! ;; (- end-column begin-column) 1))))))))))
1643 ;;;!! ;;
1644 ;;;!! ;;(defun mouse-erase-box ()
1645 ;;;!! ;; (interactive)
1646 ;;;!! ;; (if last-line-drawn
1647 ;;;!! ;; (progn
1648 ;;;!! ;; (x-erase-rectangle (selected-screen))
1649 ;;;!! ;; (setq last-line-drawn nil))))
1650 ;;;!!
1651 ;;;!! ;;; (defun test-x-rectangle ()
1652 ;;;!! ;;; (use-local-mouse-map (setq rectangle-test-map (make-sparse-keymap)))
1653 ;;;!! ;;; (define-key rectangle-test-map mouse-motion-button-left 'mouse-boxing)
1654 ;;;!! ;;; (define-key rectangle-test-map mouse-button-left-up 'mouse-erase-box))
1655 ;;;!!
1656 ;;;!! ;;
1657 ;;;!! ;; Here is how to do double clicking in lisp. About to change.
1658 ;;;!! ;;
1659 ;;;!!
1660 ;;;!! (defvar double-start nil)
1661 ;;;!! (defconst double-click-interval 300
1662 ;;;!! "Max ticks between clicks")
1663 ;;;!!
1664 ;;;!! (defun double-down (event)
1665 ;;;!! (interactive "@e")
1666 ;;;!! (if double-start
1667 ;;;!! (let ((interval (- (nth 4 event) double-start)))
1668 ;;;!! (if (< interval double-click-interval)
1669 ;;;!! (progn
1670 ;;;!! (backward-up-list 1)
1671 ;;;!! ;; (message "Interval %d" interval)
1672 ;;;!! (sleep-for 1)))
1673 ;;;!! (setq double-start nil))
1674 ;;;!! (setq double-start (nth 4 event))))
1675 ;;;!!
1676 ;;;!! (defun double-up (event)
1677 ;;;!! (interactive "@e")
1678 ;;;!! (and double-start
1679 ;;;!! (> (- (nth 4 event ) double-start) double-click-interval)
1680 ;;;!! (setq double-start nil)))
1681 ;;;!!
1682 ;;;!! ;;; (defun x-test-doubleclick ()
1683 ;;;!! ;;; (use-local-mouse-map (setq doubleclick-test-map (make-sparse-keymap)))
1684 ;;;!! ;;; (define-key doubleclick-test-map mouse-button-left 'double-down)
1685 ;;;!! ;;; (define-key doubleclick-test-map mouse-button-left-up 'double-up))
1686 ;;;!!
1687 ;;;!! ;;
1688 ;;;!! ;; This scrolls while button is depressed. Use preferable in scroll bar.
1689 ;;;!! ;;
1690 ;;;!!
1691 ;;;!! (defvar scrolled-lines 0)
1692 ;;;!! (defconst scroll-speed 1)
1693 ;;;!!
1694 ;;;!! (defun incr-scroll-down (event)
1695 ;;;!! (interactive "@e")
1696 ;;;!! (setq scrolled-lines 0)
1697 ;;;!! (incremental-scroll scroll-speed))
1698 ;;;!!
1699 ;;;!! (defun incr-scroll-up (event)
1700 ;;;!! (interactive "@e")
1701 ;;;!! (setq scrolled-lines 0)
1702 ;;;!! (incremental-scroll (- scroll-speed)))
1703 ;;;!!
1704 ;;;!! (defun incremental-scroll (n)
1705 ;;;!! (while (= (x-mouse-events) 0)
1706 ;;;!! (setq scrolled-lines (1+ (* scroll-speed scrolled-lines)))
1707 ;;;!! (scroll-down n)
1708 ;;;!! (sit-for 300 t)))
1709 ;;;!!
1710 ;;;!! (defun incr-scroll-stop (event)
1711 ;;;!! (interactive "@e")
1712 ;;;!! (message "Scrolled %d lines" scrolled-lines)
1713 ;;;!! (setq scrolled-lines 0)
1714 ;;;!! (sleep-for 1))
1715 ;;;!!
1716 ;;;!! ;;; (defun x-testing-scroll ()
1717 ;;;!! ;;; (let ((scrolling-map (function mouse-vertical-scroll-bar-prefix)))
1718 ;;;!! ;;; (define-key scrolling-map mouse-button-left 'incr-scroll-down)
1719 ;;;!! ;;; (define-key scrolling-map mouse-button-right 'incr-scroll-up)
1720 ;;;!! ;;; (define-key scrolling-map mouse-button-left-up 'incr-scroll-stop)
1721 ;;;!! ;;; (define-key scrolling-map mouse-button-right-up 'incr-scroll-stop)))
1722 ;;;!!
1723 ;;;!! ;;
1724 ;;;!! ;; Some playthings suitable for picture mode? They need work.
1725 ;;;!! ;;
1726 ;;;!!
1727 ;;;!! (defun mouse-kill-rectangle (event)
1728 ;;;!! "Kill the rectangle between point and the mouse cursor."
1729 ;;;!! (interactive "@e")
1730 ;;;!! (let ((point-save (point)))
1731 ;;;!! (save-excursion
1732 ;;;!! (mouse-set-point event)
1733 ;;;!! (push-mark nil t)
1734 ;;;!! (if (> point-save (point))
1735 ;;;!! (kill-rectangle (point) point-save)
1736 ;;;!! (kill-rectangle point-save (point))))))
1737 ;;;!!
1738 ;;;!! (defun mouse-open-rectangle (event)
1739 ;;;!! "Kill the rectangle between point and the mouse cursor."
1740 ;;;!! (interactive "@e")
1741 ;;;!! (let ((point-save (point)))
1742 ;;;!! (save-excursion
1743 ;;;!! (mouse-set-point event)
1744 ;;;!! (push-mark nil t)
1745 ;;;!! (if (> point-save (point))
1746 ;;;!! (open-rectangle (point) point-save)
1747 ;;;!! (open-rectangle point-save (point))))))
1748 ;;;!!
1749 ;;;!! ;; Must be a better way to do this.
1750 ;;;!!
1751 ;;;!! (defun mouse-multiple-insert (n char)
1752 ;;;!! (while (> n 0)
1753 ;;;!! (insert char)
1754 ;;;!! (setq n (1- n))))
1755 ;;;!!
1756 ;;;!! ;; What this could do is not finalize until button was released.
1757 ;;;!!
1758 ;;;!! (defun mouse-move-text (event)
1759 ;;;!! "Move text from point to cursor position, inserting spaces."
1760 ;;;!! (interactive "@e")
1761 ;;;!! (let* ((relative-coordinate
1762 ;;;!! (coordinates-in-window-p (car event) (selected-window))))
1763 ;;;!! (if (consp relative-coordinate)
1764 ;;;!! (cond ((> (current-column) (car relative-coordinate))
1765 ;;;!! (delete-char
1766 ;;;!! (- (car relative-coordinate) (current-column))))
1767 ;;;!! ((< (current-column) (car relative-coordinate))
1768 ;;;!! (mouse-multiple-insert
1769 ;;;!! (- (car relative-coordinate) (current-column)) " "))
1770 ;;;!! ((= (current-column) (car relative-coordinate)) (ding))))))
1771 \f
1772 ;; Choose a completion with the mouse.
1774 (defun mouse-choose-completion (event)
1775 "Click on an alternative in the `*Completions*' buffer to choose it."
1776 (interactive "e")
1777 ;; Give temporary modes such as isearch a chance to turn off.
1778 (run-hooks 'mouse-leave-buffer-hook)
1779 (let ((buffer (window-buffer))
1780 choice
1781 base-size)
1782 (save-excursion
1783 (set-buffer (window-buffer (posn-window (event-start event))))
1784 (if completion-reference-buffer
1785 (setq buffer completion-reference-buffer))
1786 (setq base-size completion-base-size)
1787 (save-excursion
1788 (goto-char (posn-point (event-start event)))
1789 (let (beg end)
1790 (if (and (not (eobp)) (get-text-property (point) 'mouse-face))
1791 (setq end (point) beg (1+ (point))))
1792 (if (null beg)
1793 (error "No completion here"))
1794 (setq beg (previous-single-property-change beg 'mouse-face))
1795 (setq end (or (next-single-property-change end 'mouse-face)
1796 (point-max)))
1797 (setq choice (buffer-substring beg end)))))
1798 (let ((owindow (selected-window)))
1799 (select-window (posn-window (event-start event)))
1800 (if (and (one-window-p t 'selected-frame)
1801 (window-dedicated-p (selected-window)))
1802 ;; This is a special buffer's frame
1803 (iconify-frame (selected-frame))
1804 (or (window-dedicated-p (selected-window))
1805 (bury-buffer)))
1806 (select-window owindow))
1807 (choose-completion-string choice buffer base-size)))
1808 \f
1809 ;; Font selection.
1811 (defun font-menu-add-default ()
1812 (let* ((default (cdr (assq 'font (frame-parameters (selected-frame)))))
1813 (font-alist x-fixed-font-alist)
1814 (elt (or (assoc "Misc" font-alist) (nth 1 font-alist))))
1815 (if (assoc "Default" elt)
1816 (delete (assoc "Default" elt) elt))
1817 (setcdr elt
1818 (cons (list "Default"
1819 (cdr (assq 'font (frame-parameters (selected-frame)))))
1820 (cdr elt)))))
1822 (defvar x-fixed-font-alist
1823 '("Font menu"
1824 ("Misc"
1825 ;; For these, we specify the pixel height and width.
1826 ("fixed" "fixed")
1827 ("6x10" "-misc-fixed-medium-r-normal--10-*-*-*-c-60-iso8859-1" "6x10")
1828 ("6x12"
1829 "-misc-fixed-medium-r-semicondensed--12-*-*-*-c-60-iso8859-1" "6x12")
1830 ("6x13"
1831 "-misc-fixed-medium-r-semicondensed--13-*-*-*-c-60-iso8859-1" "6x13")
1832 ("7x13" "-misc-fixed-medium-r-normal--13-*-*-*-c-70-iso8859-1" "7x13")
1833 ("7x14" "-misc-fixed-medium-r-normal--14-*-*-*-c-70-iso8859-1" "7x14")
1834 ("8x13" "-misc-fixed-medium-r-normal--13-*-*-*-c-80-iso8859-1" "8x13")
1835 ("9x15" "-misc-fixed-medium-r-normal--15-*-*-*-c-90-iso8859-1" "9x15")
1836 ("10x20" "-misc-fixed-medium-r-normal--20-*-*-*-c-100-iso8859-1" "10x20")
1837 ("11x18" "-misc-fixed-medium-r-normal--18-*-*-*-c-110-iso8859-1" "11x18")
1838 ("12x24" "-misc-fixed-medium-r-normal--24-*-*-*-c-120-iso8859-1" "12x24")
1839 ("")
1840 ("clean 5x8"
1841 "-schumacher-clean-medium-r-normal--8-*-*-*-c-50-iso8859-1")
1842 ("clean 6x8"
1843 "-schumacher-clean-medium-r-normal--8-*-*-*-c-60-iso8859-1")
1844 ("clean 8x8"
1845 "-schumacher-clean-medium-r-normal--8-*-*-*-c-80-iso8859-1")
1846 ("clean 8x10"
1847 "-schumacher-clean-medium-r-normal--10-*-*-*-c-80-iso8859-1")
1848 ("clean 8x14"
1849 "-schumacher-clean-medium-r-normal--14-*-*-*-c-80-iso8859-1")
1850 ("clean 8x16"
1851 "-schumacher-clean-medium-r-normal--16-*-*-*-c-80-iso8859-1")
1852 ("")
1853 ("sony 8x16" "-sony-fixed-medium-r-normal--16-*-*-*-c-80-iso8859-1"))
1854 ;;; We don't seem to have these; who knows what they are.
1855 ;;; ("fg-18" "fg-18")
1856 ;;; ("fg-25" "fg-25")
1857 ;;; ("lucidasanstypewriter-12" "lucidasanstypewriter-12")
1858 ;;; ("lucidasanstypewriter-bold-14" "lucidasanstypewriter-bold-14")
1859 ;;; ("lucidasanstypewriter-bold-24" "lucidasanstypewriter-bold-24")
1860 ;;; ("lucidatypewriter-bold-r-24" "-b&h-lucidatypewriter-bold-r-normal-sans-24-240-75-75-m-140-iso8859-1")
1861 ;;; ("fixed-medium-20" "-misc-fixed-medium-*-*-*-20-*-*-*-*-*-*-*")
1862 ("Courier"
1863 ;; For these, we specify the point height.
1864 ("8" "-adobe-courier-medium-r-normal--*-80-*-*-m-*-iso8859-1")
1865 ("10" "-adobe-courier-medium-r-normal--*-100-*-*-m-*-iso8859-1")
1866 ("12" "-adobe-courier-medium-r-normal--*-120-*-*-m-*-iso8859-1")
1867 ("14" "-adobe-courier-medium-r-normal--*-140-*-*-m-*-iso8859-1")
1868 ("18" "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1")
1869 ("24" "-adobe-courier-medium-r-normal--*-240-*-*-m-*-iso8859-1")
1870 ("8 bold" "-adobe-courier-bold-r-normal--*-80-*-*-m-*-iso8859-1")
1871 ("10 bold" "-adobe-courier-bold-r-normal--*-100-*-*-m-*-iso8859-1")
1872 ("12 bold" "-adobe-courier-bold-r-normal--*-120-*-*-m-*-iso8859-1")
1873 ("14 bold" "-adobe-courier-bold-r-normal--*-140-*-*-m-*-iso8859-1")
1874 ("18 bold" "-adobe-courier-bold-r-normal--*-180-*-*-m-*-iso8859-1")
1875 ("24 bold" "-adobe-courier-bold-r-normal--*-240-*-*-m-*-iso8859-1")
1876 ("8 slant" "-adobe-courier-medium-o-normal--*-80-*-*-m-*-iso8859-1")
1877 ("10 slant" "-adobe-courier-medium-o-normal--*-100-*-*-m-*-iso8859-1")
1878 ("12 slant" "-adobe-courier-medium-o-normal--*-120-*-*-m-*-iso8859-1")
1879 ("14 slant" "-adobe-courier-medium-o-normal--*-140-*-*-m-*-iso8859-1")
1880 ("18 slant" "-adobe-courier-medium-o-normal--*-180-*-*-m-*-iso8859-1")
1881 ("24 slant" "-adobe-courier-medium-o-normal--*-240-*-*-m-*-iso8859-1")
1882 ("8 bold slant" "-adobe-courier-bold-o-normal--*-80-*-*-m-*-iso8859-1")
1883 ("10 bold slant" "-adobe-courier-bold-o-normal--*-100-*-*-m-*-iso8859-1")
1884 ("12 bold slant" "-adobe-courier-bold-o-normal--*-120-*-*-m-*-iso8859-1")
1885 ("14 bold slant" "-adobe-courier-bold-o-normal--*-140-*-*-m-*-iso8859-1")
1886 ("18 bold slant" "-adobe-courier-bold-o-normal--*-180-*-*-m-*-iso8859-1")
1887 ("24 bold slant" "-adobe-courier-bold-o-normal--*-240-*-*-m-*-iso8859-1"))
1888 )
1889 "X fonts suitable for use in Emacs.")
1891 (defun mouse-set-font (&rest fonts)
1892 "Select an emacs font from a list of known good fonts and fontsets."
1893 (interactive
1894 (x-popup-menu
1895 last-nonmenu-event
1896 ;; Append list of fontsets currently defined.
1897 (append x-fixed-font-alist (list (generate-fontset-menu)))))
1898 (if fonts
1899 (let (font)
1900 (while fonts
1901 (condition-case nil
1902 (progn
1903 (set-default-font (car fonts))
1904 (setq font (car fonts))
1905 (setq fonts nil))
1906 (error
1907 (setq fonts (cdr fonts)))))
1908 (if (null font)
1909 (error "Font not found")))))
1910 \f
1911 ;;; Bindings for mouse commands.
1913 (define-key global-map [down-mouse-1] 'mouse-drag-region)
1914 (global-set-key [mouse-1] 'mouse-set-point)
1915 (global-set-key [drag-mouse-1] 'mouse-set-region)
1917 ;; These are tested for in mouse-drag-region.
1918 (global-set-key [double-mouse-1] 'mouse-set-point)
1919 (global-set-key [triple-mouse-1] 'mouse-set-point)
1921 (global-set-key [mouse-2] 'mouse-yank-at-click)
1922 (global-set-key [mouse-3] 'mouse-save-then-kill)
1924 ;; By binding these to down-going events, we let the user use the up-going
1925 ;; event to make the selection, saving a click.
1926 (global-set-key [C-down-mouse-1] 'mouse-buffer-menu)
1927 (if (not (eq system-type 'ms-dos))
1928 (global-set-key [S-down-mouse-1] 'mouse-set-font))
1929 ;; C-down-mouse-2 is bound in facemenu.el.
1930 (global-set-key [C-down-mouse-3] 'mouse-major-mode-menu)
1933 ;; Replaced with dragging mouse-1
1934 ;; (global-set-key [S-mouse-1] 'mouse-set-mark)
1936 (global-set-key [mode-line mouse-1] 'mouse-select-window)
1937 (global-set-key [mode-line drag-mouse-1] 'mouse-select-window)
1938 (global-set-key [mode-line down-mouse-1] 'mouse-drag-mode-line)
1939 (global-set-key [mode-line mouse-2] 'mouse-delete-other-windows)
1940 (global-set-key [mode-line mouse-3] 'mouse-delete-window)
1941 (global-set-key [mode-line C-mouse-2] 'mouse-split-window-horizontally)
1942 (global-set-key [vertical-scroll-bar C-mouse-2] 'mouse-split-window-vertically)
1943 (global-set-key [vertical-line C-mouse-2] 'mouse-split-window-vertically)
1944 (global-set-key [vertical-line down-mouse-1] 'mouse-drag-vertical-line)
1945 (global-set-key [vertical-line mouse-1] 'mouse-select-window)
1947 (provide 'mouse)
1949 ;;; mouse.el ends here