-;;; mouse.el --- window system-independent mouse support.
+;;; mouse.el --- window system-independent mouse support
-;;; Copyright (C) 1988, 1992 Free Software Foundation, Inc.
+;; Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: hardware
-;;; This file is part of GNU Emacs.
+;; This file is part of GNU Emacs.
-;;; GNU Emacs is free software; you can redistribute it and/or modify
-;;; it under the terms of the GNU General Public License as published by
-;;; the Free Software Foundation; either version 2, or (at your option)
-;;; any later version.
+;; GNU Emacs is free software; you can redistribute it and/or modify
+;; it under the terms of the GNU General Public License as published by
+;; the Free Software Foundation; either version 2, or (at your option)
+;; any later version.
-;;; GNU Emacs is distributed in the hope that it will be useful,
-;;; but WITHOUT ANY WARRANTY; without even the implied warranty of
-;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-;;; GNU General Public License for more details.
+;; GNU Emacs is distributed in the hope that it will be useful,
+;; but WITHOUT ANY WARRANTY; without even the implied warranty of
+;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+;; GNU General Public License for more details.
-;;; You should have received a copy of the GNU General Public License
-;;; along with GNU Emacs; see the file COPYING. If not, write to
-;;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; You should have received a copy of the GNU General Public License
+;; along with GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
-\f
-;;; Utility functions.
+;;; Commentary:
-(defsubst mouse-movement-p (object)
- "Return non-nil if OBJECT is a mouse movement event."
- (and (consp object)
- (eq (car object) 'mouse-movement)))
-
-(defsubst event-start (event)
- "Return the starting position of EVENT.
-If EVENT is a mouse press or a mouse click, this returns the location
-of the event.
-If EVENT is a drag, this returns the drag's starting position.
-The return value is of the form
- (WINDOW BUFFER-POSITION (COL . ROW) TIMESTAMP)
-The `posn-' functions access elements of such lists."
- (nth 1 event))
-
-(defsubst event-end (event)
- "Return the ending location of EVENT. EVENT should be a drag event.
-The return value is of the form
- (WINDOW BUFFER-POSITION (COL . ROW) TIMESTAMP)
-The `posn-' functions access elements of such lists."
- (nth 2 event))
-
-(defsubst posn-window (position)
- "Return the window in POSITION.
-POSITION should be a list of the form
- (WINDOW BUFFER-POSITION (COL . ROW) TIMESTAMP)
-as returned by the `event-start' and `event-end' functions."
- (nth 0 position))
-
-(defsubst posn-point (position)
- "Return the buffer location in POSITION.
-POSITION should be a list of the form
- (WINDOW BUFFER-POSITION (COL . ROW) TIMESTAMP)
-as returned by the `event-start' and `event-end' functions."
- (nth 1 position))
-
-(defsubst posn-col-row (position)
- "Return the row and column in POSITION.
-POSITION should be a list of the form
- (WINDOW BUFFER-POSITION (COL . ROW) TIMESTAMP)
-as returned by the `event-start' and `event-end' functions."
- (nth 2 position))
-
-(defsubst posn-timestamp (position)
- "Return the timestamp of POSITION.
-POSITION should be a list of the form
- (WINDOW BUFFER-POSITION (COL . ROW) TIMESTAMP)
-nas returned by the `event-start' and `event-end' functions."
- (nth 3 position))
+;; This package provides various useful commands (including help
+;; system access) through the mouse. All this code assumes that mouse
+;; interpretation has been abstracted into Emacs input events.
+;;
+;; The code is rather X-dependent.
+
+;;; Code:
+
+;;; Utility functions.
;;; Indent track-mouse like progn.
(put 'track-mouse 'lisp-indent-function 0)
+(defcustom mouse-yank-at-point nil
+ "*If non-nil, mouse yank commands yank at point instead of at click."
+ :type 'boolean
+ :group 'mouse)
+\f
+;; Provide a mode-specific menu on a mouse button.
+
+(defun mouse-major-mode-menu (event prefix)
+ "Pop up a mode-specific menu of mouse commands."
+ ;; Switch to the window clicked on, because otherwise
+ ;; the mode's commands may not make sense.
+ (interactive "@e\nP")
+ ;; Let the mode update its menus first.
+ (run-hooks 'activate-menubar-hook)
+ (let (;; This is where mouse-major-mode-menu-prefix
+ ;; returns the prefix we should use (after menu-bar).
+ ;; It is either nil or (SOME-SYMBOL).
+ (mouse-major-mode-menu-prefix nil)
+ ;; Make a keymap in which our last command leads to a menu
+ (newmap (make-sparse-keymap (concat mode-name " Mode")))
+ result)
+ ;; Make our menu inherit from the desired keymap
+ ;; which we want to display as the menu now.
+ (set-keymap-parent newmap
+ (mouse-major-mode-menu-1
+ (and (current-local-map)
+ (lookup-key (current-local-map) [menu-bar]))))
+ (setq result (x-popup-menu t (list newmap)))
+ (if result
+ (let ((command (key-binding
+ (apply 'vector (append '(menu-bar)
+ mouse-major-mode-menu-prefix
+ result)))))
+ ;; Clear out echoing, which perhaps shows a prefix arg.
+ (message "")
+ (if command
+ (progn
+ (setq prefix-arg prefix)
+ (command-execute command)))))))
+
+;; Compute and cache the equivalent keys in MENU and all its submenus.
+;;;(defun mouse-major-mode-menu-compute-equiv-keys (menu)
+;;; (and (eq (car menu) 'keymap)
+;;; (x-popup-menu nil menu))
+;;; (while menu
+;;; (and (consp (car menu))
+;;; (consp (cdr (car menu)))
+;;; (let ((tail (cdr (car menu))))
+;;; (while (and (consp tail)
+;;; (not (eq (car tail) 'keymap)))
+;;; (setq tail (cdr tail)))
+;;; (if (consp tail)
+;;; (mouse-major-mode-menu-compute-equiv-keys tail))))
+;;; (setq menu (cdr menu))))
+
+;; Given a mode's menu bar keymap,
+;; if it defines exactly one menu bar menu,
+;; return just that menu.
+;; Otherwise return a menu for all of them.
+(defun mouse-major-mode-menu-1 (menubar)
+ (if menubar
+ (let ((tail menubar)
+ submap)
+ (while tail
+ (if (consp (car tail))
+ (if submap
+ (setq submap t)
+ (setq submap (car tail))))
+ (setq tail (cdr tail)))
+ (if (eq submap t)
+ menubar
+ (setq mouse-major-mode-menu-prefix (list (car submap)))
+ (cdr (cdr submap))))))
\f
+;; Commands that operate on windows.
+
+(defun mouse-minibuffer-check (event)
+ (let ((w (posn-window (event-start event))))
+ (and (window-minibuffer-p w)
+ (not (minibuffer-window-active-p w))
+ (error "Minibuffer window is not active")))
+ ;; Give temporary modes such as isearch a chance to turn off.
+ (run-hooks 'mouse-leave-buffer-hook))
+
(defun mouse-delete-window (click)
"Delete the window you click on.
-This must be bound to a mouse click."
+If the frame has just one window, bury the current buffer instead.
+This command must be bound to a mouse click."
+ (interactive "e")
+ (if (one-window-p t)
+ (bury-buffer)
+ (mouse-minibuffer-check click)
+ (delete-window (posn-window (event-start click)))))
+
+(defun mouse-select-window (click)
+ "Select the window clicked on; don't move point."
(interactive "e")
- (delete-window (posn-window (event-start click))))
+ (mouse-minibuffer-check click)
+ (let ((oframe (selected-frame))
+ (frame (window-frame (posn-window (event-start click)))))
+ (select-window (posn-window (event-start click)))
+ (raise-frame frame)
+ (select-frame frame)
+ (or (eq frame oframe)
+ (set-mouse-position (selected-frame) (1- (frame-width)) 0))))
(defun mouse-tear-off-window (click)
"Delete the window clicked on, and create a new frame displaying its buffer."
(interactive "e")
+ (mouse-minibuffer-check click)
(let* ((window (posn-window (event-start click)))
(buf (window-buffer window))
- (frame (new-frame)))
+ (frame (make-frame)))
(select-frame frame)
(switch-to-buffer buf)
(delete-window window)))
The window is split at the line clicked on.
This command must be bound to a mouse click."
(interactive "@e")
+ (mouse-minibuffer-check click)
(let ((start (event-start click)))
(select-window (posn-window start))
- (split-window-vertically (1+ (cdr (posn-col-row click))))))
+ (let ((new-height (1+ (cdr (posn-col-row (event-end click)))))
+ (first-line window-min-height)
+ (last-line (- (window-height) window-min-height)))
+ (if (< last-line first-line)
+ (error "Window too short to split")
+ (split-window-vertically
+ (min (max new-height first-line) last-line))))))
(defun mouse-split-window-horizontally (click)
"Select Emacs window mouse is on, then split it horizontally in half.
The window is split at the column clicked on.
This command must be bound to a mouse click."
(interactive "@e")
- (split-window-horizontally (1+ (car (mouse-coords click)))))
-
-(defun mouse-set-point (click)
+ (mouse-minibuffer-check click)
+ (let ((start (event-start click)))
+ (select-window (posn-window start))
+ (let ((new-width (1+ (car (posn-col-row (event-end click)))))
+ (first-col window-min-width)
+ (last-col (- (window-width) window-min-width)))
+ (if (< last-col first-col)
+ (error "Window too narrow to split")
+ (split-window-horizontally
+ (min (max new-width first-col) last-col))))))
+
+(defun mouse-drag-mode-line (start-event)
+ "Change the height of a window by dragging on the mode line."
+ (interactive "e")
+ ;; Give temporary modes such as isearch a chance to turn off.
+ (run-hooks 'mouse-leave-buffer-hook)
+ (let ((done nil)
+ (echo-keystrokes 0)
+ (start-event-frame (window-frame (car (car (cdr start-event)))))
+ (start-event-window (car (car (cdr start-event))))
+ (start-nwindows (count-windows t))
+ (old-selected-window (selected-window))
+ should-enlarge-minibuffer
+ event mouse minibuffer y top bot edges wconfig params growth)
+ (setq params (frame-parameters))
+ (setq minibuffer (cdr (assq 'minibuffer params)))
+ (track-mouse
+ (progn
+ ;; enlarge-window only works on the selected window, so
+ ;; we must select the window where the start event originated.
+ ;; unwind-protect will restore the old selected window later.
+ (select-window start-event-window)
+ ;; if this is the bottommost ordinary window, then to
+ ;; move its modeline the minibuffer must be enlarged.
+ (setq should-enlarge-minibuffer
+ (and minibuffer
+ (not (one-window-p t))
+ (= (nth 1 (window-edges minibuffer))
+ (nth 3 (window-edges)))))
+ ;; loop reading events and sampling the position of
+ ;; the mouse.
+ (while (not done)
+ (setq event (read-event)
+ mouse (mouse-position))
+ ;; do nothing if
+ ;; - there is a switch-frame event.
+ ;; - the mouse isn't in the frame that we started in
+ ;; - the mouse isn't in any Emacs frame
+ ;; drag if
+ ;; - there is a mouse-movement event
+ ;; - there is a scroll-bar-movement event
+ ;; (same as mouse movement for our purposes)
+ ;; quit if
+ ;; - there is a keyboard event or some other unknown event
+ ;; unknown event.
+ (cond ((integerp event)
+ (setq done t))
+ ((eq (car event) 'switch-frame)
+ nil)
+ ((not (memq (car event)
+ '(mouse-movement scroll-bar-movement)))
+ (if (consp event)
+ (setq unread-command-events
+ (cons event unread-command-events)))
+ (setq done t))
+ ((not (eq (car mouse) start-event-frame))
+ nil)
+ ((null (car (cdr mouse)))
+ nil)
+ (t
+ (setq y (cdr (cdr mouse))
+ edges (window-edges)
+ top (nth 1 edges)
+ bot (nth 3 edges))
+ ;; scale back a move that would make the
+ ;; window too short.
+ (cond ((< (- y top -1) window-min-height)
+ (setq y (+ top window-min-height -1))))
+ ;; compute size change needed
+ (setq growth (- y bot -1)
+ wconfig (current-window-configuration))
+ ;; Check for an error case.
+ (if (and (/= growth 0)
+ (not minibuffer)
+ (one-window-p t))
+ (error "Attempt to resize sole window"))
+ ;; grow/shrink minibuffer?
+ (if should-enlarge-minibuffer
+ (progn
+ ;; yes. briefly select minibuffer so
+ ;; enlarge-window will affect the
+ ;; correct window.
+ (select-window minibuffer)
+ ;; scale back shrinkage if it would
+ ;; make the minibuffer less than 1
+ ;; line tall.
+ (if (and (> growth 0)
+ (< (- (window-height minibuffer)
+ growth)
+ 1))
+ (setq growth (1- (window-height minibuffer))))
+ (enlarge-window (- growth))
+ (select-window start-event-window))
+ ;; no. grow/shrink the selected window
+ (enlarge-window growth))
+ ;; if this window's growth caused another
+ ;; window to be deleted because it was too
+ ;; short, rescind the change.
+ ;;
+ ;; if size change caused space to be stolen
+ ;; from a window above this one, rescind the
+ ;; change, but only if we didn't grow/srhink
+ ;; the minibuffer. minibuffer size changes
+ ;; can cause all windows to shrink... no way
+ ;; around it.
+ (if (or (/= start-nwindows (count-windows t))
+ (and (not should-enlarge-minibuffer)
+ (/= top (nth 1 (window-edges)))))
+ (set-window-configuration wconfig)))))))))
+\f
+(defun mouse-drag-vertical-line (start-event)
+ "Change the width of a window by dragging on the vertical line."
+ (interactive "e")
+ ;; Give temporary modes such as isearch a chance to turn off.
+ (run-hooks 'mouse-leave-buffer-hook)
+ (let* ((done nil)
+ (echo-keystrokes 0)
+ (start-event-frame (window-frame (car (car (cdr start-event)))))
+ (start-event-window (car (car (cdr start-event))))
+ (start-nwindows (count-windows t))
+ (old-selected-window (selected-window))
+ event mouse x left right edges wconfig growth
+ (which-side
+ (or (cdr (assq 'vertical-scroll-bars (frame-parameters start-event-frame)))
+ 'right)))
+ (if (one-window-p t)
+ (error "Attempt to resize sole ordinary window"))
+ (if (eq which-side 'right)
+ (if (= (nth 2 (window-edges start-event-window))
+ (frame-width start-event-frame))
+ (error "Attempt to drag rightmost scrollbar"))
+ (if (= (nth 0 (window-edges start-event-window)) 0)
+ (error "Attempt to drag leftmost scrollbar")))
+ (track-mouse
+ (progn
+ ;; enlarge-window only works on the selected window, so
+ ;; we must select the window where the start event originated.
+ ;; unwind-protect will restore the old selected window later.
+ (select-window start-event-window)
+ ;; loop reading events and sampling the position of
+ ;; the mouse.
+ (while (not done)
+ (setq event (read-event)
+ mouse (mouse-position))
+ ;; do nothing if
+ ;; - there is a switch-frame event.
+ ;; - the mouse isn't in the frame that we started in
+ ;; - the mouse isn't in any Emacs frame
+ ;; drag if
+ ;; - there is a mouse-movement event
+ ;; - there is a scroll-bar-movement event
+ ;; (same as mouse movement for our purposes)
+ ;; quit if
+ ;; - there is a keyboard event or some other unknown event
+ ;; unknown event.
+ (cond ((integerp event)
+ (setq done t))
+ ((eq (car event) 'switch-frame)
+ nil)
+ ((not (memq (car event)
+ '(mouse-movement scroll-bar-movement)))
+ (if (consp event)
+ (setq unread-command-events
+ (cons event unread-command-events)))
+ (setq done t))
+ ((not (eq (car mouse) start-event-frame))
+ nil)
+ ((null (car (cdr mouse)))
+ nil)
+ (t
+ (save-selected-window
+ ;; If the scroll bar is on the window's left,
+ ;; adjust the window on the left.
+ (unless (eq which-side 'right)
+ (select-window (previous-window)))
+ (setq x (- (car (cdr mouse))
+ (if (eq which-side 'right) 0 2))
+ edges (window-edges)
+ left (nth 0 edges)
+ right (nth 2 edges))
+ ;; scale back a move that would make the
+ ;; window too thin.
+ (if (< (- x left -1) window-min-width)
+ (setq x (+ left window-min-width -1)))
+ ;; compute size change needed
+ (setq growth (- x right -1)
+ wconfig (current-window-configuration))
+ (enlarge-window growth t)
+ ;; if this window's growth caused another
+ ;; window to be deleted because it was too
+ ;; thin, rescind the change.
+ ;;
+ ;; if size change caused space to be stolen
+ ;; from a window to the left of this one,
+ ;; rescind the change.
+ (if (or (/= start-nwindows (count-windows t))
+ (/= left (nth 0 (window-edges))))
+ (set-window-configuration wconfig))))))))))
+\f
+(defun mouse-set-point (event)
"Move point to the position clicked on with the mouse.
-This must be bound to a mouse click."
+This should be bound to a mouse click event type."
(interactive "e")
- (let ((posn (event-start click)))
+ (mouse-minibuffer-check event)
+ ;; Use event-end in case called from mouse-drag-region.
+ ;; If EVENT is a click, event-end and event-start give same value.
+ (let ((posn (event-end event)))
+ (if (not (windowp (posn-window posn)))
+ (error "Cursor not in text area of window"))
(select-window (posn-window posn))
(if (numberp (posn-point posn))
(goto-char (posn-point posn)))))
+(defvar mouse-last-region-beg nil)
+(defvar mouse-last-region-end nil)
+(defvar mouse-last-region-tick nil)
+
+(defun mouse-region-match ()
+ "Return non-nil if there's an active region that was set with the mouse."
+ (and (mark t) mark-active
+ (eq mouse-last-region-beg (region-beginning))
+ (eq mouse-last-region-end (region-end))
+ (eq mouse-last-region-tick (buffer-modified-tick))))
+
(defun mouse-set-region (click)
- "Set the region to the text that the mouse is dragged over.
-This must be bound to a mouse click."
+ "Set the region to the text dragged over, and copy to kill ring.
+This should be bound to a mouse drag event."
(interactive "e")
+ (mouse-minibuffer-check click)
(let ((posn (event-start click))
(end (event-end click)))
(select-window (posn-window posn))
(if (numberp (posn-point posn))
(goto-char (posn-point posn)))
- (sit-for 1)
+ ;; If mark is highlighted, no need to bounce the cursor.
+ ;; On X, we highlight while dragging, thus once again no need to bounce.
+ (or transient-mark-mode
+ (memq (framep (selected-frame)) '(x pc w32))
+ (sit-for 1))
(push-mark)
+ (set-mark (point))
(if (numberp (posn-point end))
- (goto-char (posn-point end)))))
+ (goto-char (posn-point end)))
+ ;; Don't set this-command to kill-region, so that a following
+ ;; C-w will not double the text in the kill ring.
+ ;; Ignore last-command so we don't append to a preceding kill.
+ (let (this-command last-command deactivate-mark)
+ (copy-region-as-kill (mark) (point)))
+ (mouse-set-region-1)))
+
+(defun mouse-set-region-1 ()
+ (setq mouse-last-region-beg (region-beginning))
+ (setq mouse-last-region-end (region-end))
+ (setq mouse-last-region-tick (buffer-modified-tick)))
+
+(defcustom mouse-scroll-delay 0.25
+ "*The pause between scroll steps caused by mouse drags, in seconds.
+If you drag the mouse beyond the edge of a window, Emacs scrolls the
+window to bring the text beyond that edge into view, with a delay of
+this many seconds between scroll steps. Scrolling stops when you move
+the mouse back into the window, or release the button.
+This variable's value may be non-integral.
+Setting this to zero causes Emacs to scroll as fast as it can."
+ :type 'number
+ :group 'mouse)
+
+(defcustom mouse-scroll-min-lines 1
+ "*The minimum number of lines scrolled by dragging mouse out of window.
+Moving the mouse out the top or bottom edge of the window begins
+scrolling repeatedly. The number of lines scrolled per repetition
+is normally equal to the number of lines beyond the window edge that
+the mouse has moved. However, it always scrolls at least the number
+of lines specified by this variable."
+ :type 'integer
+ :group 'mouse)
+
+(defun mouse-scroll-subr (window jump &optional overlay start)
+ "Scroll the window WINDOW, JUMP lines at a time, until new input arrives.
+If OVERLAY is an overlay, let it stretch from START to the far edge of
+the newly visible text.
+Upon exit, point is at the far edge of the newly visible text."
+ (cond
+ ((and (> jump 0) (< jump mouse-scroll-min-lines))
+ (setq jump mouse-scroll-min-lines))
+ ((and (< jump 0) (< (- jump) mouse-scroll-min-lines))
+ (setq jump (- mouse-scroll-min-lines))))
+ (let ((opoint (point)))
+ (while (progn
+ (goto-char (window-start window))
+ (if (not (zerop (vertical-motion jump window)))
+ (progn
+ (set-window-start window (point))
+ (if (natnump jump)
+ (if (window-end window)
+ (progn
+ (goto-char (window-end window))
+ ;; window-end doesn't reflect the window's new
+ ;; start position until the next redisplay.
+ (vertical-motion (1- jump) window))
+ (vertical-motion (- (window-height window) 2)))
+ (goto-char (window-start window)))
+ (if overlay
+ (move-overlay overlay start (point)))
+ ;; Now that we have scrolled WINDOW properly,
+ ;; put point back where it was for the redisplay
+ ;; so that we don't mess up the selected window.
+ (or (eq window (selected-window))
+ (goto-char opoint))
+ (sit-for mouse-scroll-delay)))))
+ (or (eq window (selected-window))
+ (goto-char opoint))))
+
+;; Create an overlay and immediately delete it, to get "overlay in no buffer".
+(defvar mouse-drag-overlay (make-overlay 1 1))
+(delete-overlay mouse-drag-overlay)
+(overlay-put mouse-drag-overlay 'face 'region)
+
+(defvar mouse-selection-click-count 0)
+
+(defvar mouse-selection-click-count-buffer nil)
+
+(defun mouse-drag-region (start-event)
+ "Set the region to the text that the mouse is dragged over.
+Highlight the drag area as you move the mouse.
+This must be bound to a button-down mouse event.
+In Transient Mark mode, the highlighting remains as long as the mark
+remains active. Otherwise, it remains until the next input event."
+ (interactive "e")
+ (mouse-minibuffer-check start-event)
+ (let* ((echo-keystrokes 0)
+ (start-posn (event-start start-event))
+ (start-point (posn-point start-posn))
+ (start-window (posn-window start-posn))
+ (start-frame (window-frame start-window))
+ (bounds (window-edges start-window))
+ (top (nth 1 bounds))
+ (bottom (if (window-minibuffer-p start-window)
+ (nth 3 bounds)
+ ;; Don't count the mode line.
+ (1- (nth 3 bounds))))
+ (click-count (1- (event-click-count start-event))))
+ (setq mouse-selection-click-count click-count)
+ (setq mouse-selection-click-count-buffer (current-buffer))
+ (mouse-set-point start-event)
+ ;; In case the down click is in the middle of some intangible text,
+ ;; use the end of that text, and put it in START-POINT.
+ (if (< (point) start-point)
+ (goto-char start-point))
+ (setq start-point (point))
+ (let ((range (mouse-start-end start-point start-point click-count)))
+ (move-overlay mouse-drag-overlay (car range) (nth 1 range)
+ (window-buffer start-window)))
+ (deactivate-mark)
+ ;; end-of-range is used only in the single-click case.
+ ;; It is the place where the drag has reached so far
+ ;; (but not outside the window where the drag started).
+ (let (event end end-point last-end-point (end-of-range (point)))
+ (track-mouse
+ (while (progn
+ (setq event (read-event))
+ (or (mouse-movement-p event)
+ (eq (car-safe event) 'switch-frame)))
+ (if (eq (car-safe event) 'switch-frame)
+ nil
+ (setq end (event-end event)
+ end-point (posn-point end))
+ (if (numberp end-point)
+ (setq last-end-point end-point))
+
+ (cond
+ ;; Are we moving within the original window?
+ ((and (eq (posn-window end) start-window)
+ (integer-or-marker-p end-point))
+ ;; Go to START-POINT first, so that when we move to END-POINT,
+ ;; if it's in the middle of intangible text,
+ ;; point jumps in the direction away from START-POINT.
+ (goto-char start-point)
+ (goto-char end-point)
+ (if (zerop (% click-count 3))
+ (setq end-of-range (point)))
+ (let ((range (mouse-start-end start-point (point) click-count)))
+ (move-overlay mouse-drag-overlay (car range) (nth 1 range))))
+
+ (t
+ (let ((mouse-row (cdr (cdr (mouse-position)))))
+ (cond
+ ((null mouse-row))
+ ((< mouse-row top)
+ (mouse-scroll-subr start-window (- mouse-row top)
+ mouse-drag-overlay start-point)
+ ;; Without this, point tends to jump back to the starting
+ ;; position where the mouse button was pressed down.
+ (setq end-of-range (overlay-start mouse-drag-overlay)))
+ ((>= mouse-row bottom)
+ (mouse-scroll-subr start-window (1+ (- mouse-row bottom))
+ mouse-drag-overlay start-point)
+ (setq end-of-range (overlay-end mouse-drag-overlay))))))))))
+ ;; In case we did not get a mouse-motion event
+ ;; for the final move of the mouse before a drag event
+ ;; pretend that we did get one.
+ (when (and (memq 'drag (event-modifiers (car-safe event)))
+ (setq end (event-end event)
+ end-point (posn-point end))
+ (eq (posn-window end) start-window)
+ (integer-or-marker-p end-point))
+
+ ;; Go to START-POINT first, so that when we move to END-POINT,
+ ;; if it's in the middle of intangible text,
+ ;; point jumps in the direction away from START-POINT.
+ (goto-char start-point)
+ (goto-char end-point)
+ (if (zerop (% click-count 3))
+ (setq end-of-range (point)))
+ (let ((range (mouse-start-end start-point (point) click-count)))
+ (move-overlay mouse-drag-overlay (car range) (nth 1 range))))
+
+ (if (consp event)
+ (let ((fun (key-binding (vector (car event)))))
+ ;; Run the binding of the terminating up-event, if possible.
+ ;; In the case of a multiple click, it gives the wrong results,
+ ;; because it would fail to set up a region.
+ (if (not (= (overlay-start mouse-drag-overlay)
+ (overlay-end mouse-drag-overlay)))
+ (let* ((stop-point
+ (if (numberp (posn-point (event-end event)))
+ (posn-point (event-end event))
+ last-end-point))
+ ;; The end that comes from where we ended the drag.
+ ;; Point goes here.
+ (region-termination
+ (if (and stop-point (< stop-point start-point))
+ (overlay-start mouse-drag-overlay)
+ (overlay-end mouse-drag-overlay)))
+ ;; The end that comes from where we started the drag.
+ ;; Mark goes there.
+ (region-commencement
+ (- (+ (overlay-end mouse-drag-overlay)
+ (overlay-start mouse-drag-overlay))
+ region-termination))
+ last-command this-command)
+ (push-mark region-commencement t t)
+ (goto-char region-termination)
+ ;; Don't let copy-region-as-kill set deactivate-mark.
+ (let (deactivate-mark)
+ (copy-region-as-kill (point) (mark t)))
+ (let ((buffer (current-buffer)))
+ (mouse-show-mark)
+ ;; mouse-show-mark can call read-event,
+ ;; and that means the Emacs server could switch buffers
+ ;; under us. If that happened,
+ ;; avoid trying to use the region.
+ (and (mark t) mark-active
+ (eq buffer (current-buffer))
+ (mouse-set-region-1))))
+ (delete-overlay mouse-drag-overlay)
+ ;; Run the binding of the terminating up-event.
+ (if (fboundp fun)
+ (setq unread-command-events
+ (cons event unread-command-events)))))
+ (delete-overlay mouse-drag-overlay)))))
+\f
+;; Commands to handle xterm-style multiple clicks.
+
+(defun mouse-skip-word (dir)
+ "Skip over word, over whitespace, or over identical punctuation.
+If DIR is positive skip forward; if negative, skip backward."
+ (let* ((char (following-char))
+ (syntax (char-to-string (char-syntax char))))
+ (cond ((string= syntax "w")
+ ;; Here, we can't use skip-syntax-forward/backward because
+ ;; they don't pay attention to word-separating-categories,
+ ;; and thus they will skip over a true word boundary. So,
+ ;; we simularte the original behaviour by using
+ ;; forward-word.
+ (if (< dir 0)
+ (if (not (looking-at "\\<"))
+ (forward-word -1))
+ (if (or (looking-at "\\<") (not (looking-at "\\>")))
+ (forward-word 1))))
+ ((string= syntax " ")
+ (if (< dir 0)
+ (skip-syntax-backward syntax)
+ (skip-syntax-forward syntax)))
+ ((string= syntax "_")
+ (if (< dir 0)
+ (skip-syntax-backward "w_")
+ (skip-syntax-forward "w_")))
+ ((< dir 0)
+ (while (and (not (bobp)) (= (preceding-char) char))
+ (forward-char -1)))
+ (t
+ (while (and (not (eobp)) (= (following-char) char))
+ (forward-char 1))))))
+
+;; Return a list of region bounds based on START and END according to MODE.
+;; If MODE is 0 then set point to (min START END), mark to (max START END).
+;; If MODE is 1 then set point to start of word at (min START END),
+;; mark to end of word at (max START END).
+;; If MODE is 2 then do the same for lines.
+(defun mouse-start-end (start end mode)
+ (if (> start end)
+ (let ((temp start))
+ (setq start end
+ end temp)))
+ (setq mode (mod mode 3))
+ (cond ((= mode 0)
+ (list start end))
+ ((and (= mode 1)
+ (= start end)
+ (char-after start)
+ (= (char-syntax (char-after start)) ?\())
+ (list start
+ (save-excursion
+ (goto-char start)
+ (forward-sexp 1)
+ (point))))
+ ((and (= mode 1)
+ (= start end)
+ (char-after start)
+ (= (char-syntax (char-after start)) ?\)))
+ (list (save-excursion
+ (goto-char (1+ start))
+ (backward-sexp 1)
+ (point))
+ (1+ start)))
+ ((and (= mode 1)
+ (= start end)
+ (char-after start)
+ (= (char-syntax (char-after start)) ?\"))
+ (let ((open (or (eq start (point-min))
+ (save-excursion
+ (goto-char (- start 1))
+ (looking-at "\\s(\\|\\s \\|\\s>")))))
+ (if open
+ (list start
+ (save-excursion
+ (condition-case nil
+ (progn
+ (goto-char start)
+ (forward-sexp 1)
+ (point))
+ (error end))))
+ (list (save-excursion
+ (condition-case nil
+ (progn
+ (goto-char (1+ start))
+ (backward-sexp 1)
+ (point))
+ (error end)))
+ (1+ start)))))
+ ((= mode 1)
+ (list (save-excursion
+ (goto-char start)
+ (mouse-skip-word -1)
+ (point))
+ (save-excursion
+ (goto-char end)
+ (mouse-skip-word 1)
+ (point))))
+ ((= mode 2)
+ (list (save-excursion
+ (goto-char start)
+ (beginning-of-line 1)
+ (point))
+ (save-excursion
+ (goto-char end)
+ (forward-line 1)
+ (point))))))
+\f
+;; Subroutine: set the mark where CLICK happened,
+;; but don't do anything else.
+(defun mouse-set-mark-fast (click)
+ (mouse-minibuffer-check click)
+ (let ((posn (event-start click)))
+ (select-window (posn-window posn))
+ (if (numberp (posn-point posn))
+ (push-mark (posn-point posn) t t))))
+
+(defun mouse-undouble-last-event (events)
+ (let* ((index (1- (length events)))
+ (last (nthcdr index events))
+ (event (car last))
+ (basic (event-basic-type event))
+ (old-modifiers (event-modifiers event))
+ (modifiers (delq 'double (delq 'triple (copy-sequence old-modifiers))))
+ (new
+ (if (consp event)
+ ;; Use reverse, not nreverse, since event-modifiers
+ ;; does not copy the list it returns.
+ (cons (event-convert-list (reverse (cons basic modifiers)))
+ (cdr event))
+ event)))
+ (setcar last new)
+ (if (and (not (equal modifiers old-modifiers))
+ (key-binding (apply 'vector events)))
+ t
+ (setcar last event)
+ nil)))
+
+;; Momentarily show where the mark is, if highlighting doesn't show it.
+
+(defvar mouse-region-delete-keys '([delete])
+ "List of keys which shall cause the mouse region to be deleted.")
+
+(defun mouse-show-mark ()
+ (if transient-mark-mode
+ (if window-system
+ (delete-overlay mouse-drag-overlay))
+ (if window-system
+ (let ((inhibit-quit t)
+ (echo-keystrokes 0)
+ event events key ignore
+ x-lost-selection-hooks)
+ (add-hook 'x-lost-selection-hooks
+ '(lambda (seltype)
+ (if (eq seltype 'PRIMARY)
+ (progn (setq ignore t)
+ (throw 'mouse-show-mark t)))))
+ (move-overlay mouse-drag-overlay (point) (mark t))
+ (catch 'mouse-show-mark
+ ;; In this loop, execute scroll bar and switch-frame events.
+ ;; Also ignore down-events that are undefined.
+ (while (progn (setq event (read-event))
+ (setq events (append events (list event)))
+ (setq key (apply 'vector events))
+ (or (and (consp event)
+ (eq (car event) 'switch-frame))
+ (and (consp event)
+ (eq (posn-point (event-end event))
+ 'vertical-scroll-bar))
+ (and (memq 'down (event-modifiers event))
+ (not (key-binding key))
+ (not (mouse-undouble-last-event events))
+ (not (member key mouse-region-delete-keys)))))
+ (and (consp event)
+ (or (eq (car event) 'switch-frame)
+ (eq (posn-point (event-end event))
+ 'vertical-scroll-bar))
+ (let ((keys (vector 'vertical-scroll-bar event)))
+ (and (key-binding keys)
+ (progn
+ (call-interactively (key-binding keys)
+ nil keys)
+ (setq events nil)))))))
+ ;; If we lost the selection, just turn off the highlighting.
+ (if ignore
+ nil
+ ;; For certain special keys, delete the region.
+ (if (member key mouse-region-delete-keys)
+ (delete-region (overlay-start mouse-drag-overlay)
+ (overlay-end mouse-drag-overlay))
+ ;; Otherwise, unread the key so it gets executed normally.
+ (setq unread-command-events
+ (nconc events unread-command-events))))
+ (setq quit-flag nil)
+ (delete-overlay mouse-drag-overlay))
+ (save-excursion
+ (goto-char (mark t))
+ (sit-for 1)))))
(defun mouse-set-mark (click)
"Set mark at the position clicked on with the mouse.
Display cursor at that position for a second.
This must be bound to a mouse click."
(interactive "e")
+ (mouse-minibuffer-check click)
+ (select-window (posn-window (event-start click)))
+ ;; We don't use save-excursion because that preserves the mark too.
(let ((point-save (point)))
(unwind-protect
(progn (mouse-set-point click)
- (push-mark nil t)
- (sit-for 1))
+ (push-mark nil t t)
+ (or transient-mark-mode
+ (sit-for 1)))
(goto-char point-save))))
(defun mouse-kill (click)
"Kill the region between point and the mouse click.
The text is saved in the kill ring, as with \\[kill-region]."
(interactive "e")
- (let ((click-posn (event-point click)))
+ (mouse-minibuffer-check click)
+ (let* ((posn (event-start click))
+ (click-posn (posn-point posn)))
+ (select-window (posn-window posn))
(if (numberp click-posn)
(kill-region (min (point) click-posn)
(max (point) click-posn)))))
(defun mouse-yank-at-click (click arg)
"Insert the last stretch of killed text at the position clicked on.
-Prefix arguments are interpreted as with \\[yank]."
+Also move point to one end of the text thus inserted (normally the end).
+Prefix arguments are interpreted as with \\[yank].
+If `mouse-yank-at-point' is non-nil, insert at point
+regardless of where you click."
(interactive "e\nP")
- (mouse-set-point click)
+ ;; Give temporary modes such as isearch a chance to turn off.
+ (run-hooks 'mouse-leave-buffer-hook)
+ (or mouse-yank-at-point (mouse-set-point click))
+ (setq this-command 'yank)
+ (setq mouse-selection-click-count 0)
(yank arg))
(defun mouse-kill-ring-save (click)
"Copy the region between point and the mouse click in the kill ring.
This does not delete the region; it acts like \\[kill-ring-save]."
(interactive "e")
- (mouse-set-mark click)
- (call-interactively 'kill-ring-save))
+ (mouse-set-mark-fast click)
+ (let (this-command last-command)
+ (kill-ring-save (point) (mark t)))
+ (mouse-show-mark))
+
+;;; This function used to delete the text between point and the mouse
+;;; whenever it was equal to the front of the kill ring, but some
+;;; people found that confusing.
+
+;;; A list (TEXT START END), describing the text and position of the last
+;;; invocation of mouse-save-then-kill.
+(defvar mouse-save-then-kill-posn nil)
+
+(defun mouse-save-then-kill-delete-region (beg end)
+ ;; We must make our own undo boundaries
+ ;; because they happen automatically only for the current buffer.
+ (undo-boundary)
+ (if (or (= beg end) (eq buffer-undo-list t))
+ ;; If we have no undo list in this buffer,
+ ;; just delete.
+ (delete-region beg end)
+ ;; Delete, but make the undo-list entry share with the kill ring.
+ ;; First, delete just one char, so in case buffer is being modified
+ ;; for the first time, the undo list records that fact.
+ (let (before-change-function after-change-function
+ before-change-functions after-change-functions)
+ (delete-region beg
+ (+ beg (if (> end beg) 1 -1))))
+ (let ((buffer-undo-list buffer-undo-list))
+ ;; Undo that deletion--but don't change the undo list!
+ (let (before-change-function after-change-function
+ before-change-functions after-change-functions)
+ (primitive-undo 1 buffer-undo-list))
+ ;; Now delete the rest of the specified region,
+ ;; but don't record it.
+ (setq buffer-undo-list t)
+ (if (/= (length (car kill-ring)) (- (max end beg) (min end beg)))
+ (error "Lossage in mouse-save-then-kill-delete-region"))
+ (delete-region beg end))
+ (let ((tail buffer-undo-list))
+ ;; Search back in buffer-undo-list for the string
+ ;; that came from deleting one character.
+ (while (and tail (not (stringp (car (car tail)))))
+ (setq tail (cdr tail)))
+ ;; Replace it with an entry for the entire deleted text.
+ (and tail
+ (setcar tail (cons (car kill-ring) (min beg end))))))
+ (undo-boundary))
(defun mouse-save-then-kill (click)
- "Copy the region between point and the mouse click in the kill ring.
-This does not delete the region; it acts like \\[kill-ring-save]."
+ "Save text to point in kill ring; the second time, kill the text.
+If the text between point and the mouse is the same as what's
+at the front of the kill ring, this deletes the text.
+Otherwise, it adds the text to the kill ring, like \\[kill-ring-save],
+which prepares for a second click to delete the text.
+
+If you have selected words or lines, this command extends the
+selection through the word or line clicked on. If you do this
+again in a different position, it extends the selection again.
+If you do this twice in the same position, the selection is killed."
(interactive "e")
- (mouse-set-mark click)
- (if (string= (buffer-substring (point) (mark)) (car kill-ring))
- ;; If this text was already saved in kill ring,
- ;; now delete it from the buffer.
- (progn
- (let ((buffer-undo-list t))
- (delete-region (point) (mark)))
- ;; Make the undo list by hand so it is shared.
- (setq buffer-undo-list
- (cons (cons (car kill-ring) (point)) buffer-undo-list)))
- ;; Otherwise, save this region.
- (call-interactively 'kill-ring-save)))
+ (let ((before-scroll
+ (with-current-buffer (window-buffer (posn-window (event-start click)))
+ point-before-scroll)))
+ (mouse-minibuffer-check click)
+ (let ((click-posn (posn-point (event-start click)))
+ ;; Don't let a subsequent kill command append to this one:
+ ;; prevent setting this-command to kill-region.
+ (this-command this-command))
+ (if (and (save-excursion
+ (set-buffer (window-buffer (posn-window (event-start click))))
+ (and (mark t) (> (mod mouse-selection-click-count 3) 0)
+ ;; Don't be fooled by a recent click in some other buffer.
+ (eq mouse-selection-click-count-buffer
+ (current-buffer)))))
+ (if (not (and (eq last-command 'mouse-save-then-kill)
+ (equal click-posn
+ (car (cdr-safe (cdr-safe mouse-save-then-kill-posn))))))
+ ;; Find both ends of the object selected by this click.
+ (let* ((range
+ (mouse-start-end click-posn click-posn
+ mouse-selection-click-count)))
+ ;; Move whichever end is closer to the click.
+ ;; That's what xterm does, and it seems reasonable.
+ (if (< (abs (- click-posn (mark t)))
+ (abs (- click-posn (point))))
+ (set-mark (car range))
+ (goto-char (nth 1 range)))
+ ;; We have already put the old region in the kill ring.
+ ;; Replace it with the extended region.
+ ;; (It would be annoying to make a separate entry.)
+ (kill-new (buffer-substring (point) (mark t)) t)
+ (mouse-set-region-1)
+ ;; Arrange for a repeated mouse-3 to kill this region.
+ (setq mouse-save-then-kill-posn
+ (list (car kill-ring) (point) click-posn))
+ (mouse-show-mark))
+ ;; If we click this button again without moving it,
+ ;; that time kill.
+ (mouse-save-then-kill-delete-region (mark) (point))
+ (setq mouse-selection-click-count 0)
+ (setq mouse-save-then-kill-posn nil))
+ (if (and (eq last-command 'mouse-save-then-kill)
+ mouse-save-then-kill-posn
+ (eq (car mouse-save-then-kill-posn) (car kill-ring))
+ (equal (cdr mouse-save-then-kill-posn) (list (point) click-posn)))
+ ;; If this is the second time we've called
+ ;; mouse-save-then-kill, delete the text from the buffer.
+ (progn
+ (mouse-save-then-kill-delete-region (point) (mark))
+ ;; After we kill, another click counts as "the first time".
+ (setq mouse-save-then-kill-posn nil))
+ ;; This is not a repetition.
+ ;; We are adjusting an old selection or creating a new one.
+ (if (or (and (eq last-command 'mouse-save-then-kill)
+ mouse-save-then-kill-posn)
+ (and mark-active transient-mark-mode)
+ (and (memq last-command
+ '(mouse-drag-region mouse-set-region))
+ (or mark-even-if-inactive
+ (not transient-mark-mode))))
+ ;; We have a selection or suitable region, so adjust it.
+ (let* ((posn (event-start click))
+ (new (posn-point posn)))
+ (select-window (posn-window posn))
+ (if (numberp new)
+ (progn
+ ;; Move whichever end of the region is closer to the click.
+ ;; That is what xterm does, and it seems reasonable.
+ (if (< (abs (- new (point))) (abs (- new (mark t))))
+ (goto-char new)
+ (set-mark new))
+ (setq deactivate-mark nil)))
+ (kill-new (buffer-substring (point) (mark t)) t)
+ (mouse-show-mark))
+ ;; Set the mark where point is, then move where clicked.
+ (mouse-set-mark-fast click)
+ (if before-scroll
+ (goto-char before-scroll))
+ (exchange-point-and-mark)
+ (kill-new (buffer-substring (point) (mark t)))
+ (if window-system
+ (mouse-show-mark)))
+ (mouse-set-region-1)
+ (setq mouse-save-then-kill-posn
+ (list (car kill-ring) (point) click-posn)))))))
+\f
+(global-set-key [M-mouse-1] 'mouse-start-secondary)
+(global-set-key [M-drag-mouse-1] 'mouse-set-secondary)
+(global-set-key [M-down-mouse-1] 'mouse-drag-secondary)
+(global-set-key [M-mouse-3] 'mouse-secondary-save-then-kill)
+(global-set-key [M-mouse-2] 'mouse-yank-secondary)
+
+;; An overlay which records the current secondary selection
+;; or else is deleted when there is no secondary selection.
+;; May be nil.
+(defvar mouse-secondary-overlay nil)
+
+(defvar mouse-secondary-click-count 0)
+
+;; A marker which records the specified first end for a secondary selection.
+;; May be nil.
+(defvar mouse-secondary-start nil)
+
+(defun mouse-start-secondary (click)
+ "Set one end of the secondary selection to the position clicked on.
+Use \\[mouse-secondary-save-then-kill] to set the other end
+and complete the secondary selection."
+ (interactive "e")
+ (mouse-minibuffer-check click)
+ (let ((posn (event-start click)))
+ (save-excursion
+ (set-buffer (window-buffer (posn-window posn)))
+ ;; Cancel any preexisting secondary selection.
+ (if mouse-secondary-overlay
+ (delete-overlay mouse-secondary-overlay))
+ (if (numberp (posn-point posn))
+ (progn
+ (or mouse-secondary-start
+ (setq mouse-secondary-start (make-marker)))
+ (move-marker mouse-secondary-start (posn-point posn)))))))
+
+(defun mouse-set-secondary (click)
+ "Set the secondary selection to the text that the mouse is dragged over.
+This must be bound to a mouse drag event."
+ (interactive "e")
+ (mouse-minibuffer-check click)
+ (let ((posn (event-start click))
+ beg
+ (end (event-end click)))
+ (save-excursion
+ (set-buffer (window-buffer (posn-window posn)))
+ (if (numberp (posn-point posn))
+ (setq beg (posn-point posn)))
+ (if mouse-secondary-overlay
+ (move-overlay mouse-secondary-overlay beg (posn-point end))
+ (setq mouse-secondary-overlay (make-overlay beg (posn-point end))))
+ (overlay-put mouse-secondary-overlay 'face 'secondary-selection))))
+
+(defun mouse-drag-secondary (start-event)
+ "Set the secondary selection to the text that the mouse is dragged over.
+Highlight the drag area as you move the mouse.
+This must be bound to a button-down mouse event.
+The function returns a non-nil value if it creates a secondary selection."
+ (interactive "e")
+ (mouse-minibuffer-check start-event)
+ (let* ((echo-keystrokes 0)
+ (start-posn (event-start start-event))
+ (start-point (posn-point start-posn))
+ (start-window (posn-window start-posn))
+ (start-frame (window-frame start-window))
+ (bounds (window-edges start-window))
+ (top (nth 1 bounds))
+ (bottom (if (window-minibuffer-p start-window)
+ (nth 3 bounds)
+ ;; Don't count the mode line.
+ (1- (nth 3 bounds))))
+ (click-count (1- (event-click-count start-event))))
+ (save-excursion
+ (set-buffer (window-buffer start-window))
+ (setq mouse-secondary-click-count click-count)
+ (or mouse-secondary-overlay
+ (setq mouse-secondary-overlay
+ (make-overlay (point) (point))))
+ (overlay-put mouse-secondary-overlay 'face 'secondary-selection)
+ (if (> (mod click-count 3) 0)
+ ;; Double or triple press: make an initial selection
+ ;; of one word or line.
+ (let ((range (mouse-start-end start-point start-point click-count)))
+ (set-marker mouse-secondary-start nil)
+ (move-overlay mouse-secondary-overlay 1 1
+ (window-buffer start-window))
+ (move-overlay mouse-secondary-overlay (car range) (nth 1 range)
+ (window-buffer start-window)))
+ ;; Single-press: cancel any preexisting secondary selection.
+ (or mouse-secondary-start
+ (setq mouse-secondary-start (make-marker)))
+ (set-marker mouse-secondary-start start-point)
+ (delete-overlay mouse-secondary-overlay))
+ (let (event end end-point)
+ (track-mouse
+ (while (progn
+ (setq event (read-event))
+ (or (mouse-movement-p event)
+ (eq (car-safe event) 'switch-frame)))
+
+ (if (eq (car-safe event) 'switch-frame)
+ nil
+ (setq end (event-end event)
+ end-point (posn-point end))
+ (cond
+ ;; Are we moving within the original window?
+ ((and (eq (posn-window end) start-window)
+ (integer-or-marker-p end-point))
+ (let ((range (mouse-start-end start-point end-point
+ click-count)))
+ (if (or (/= start-point end-point)
+ (null (marker-position mouse-secondary-start)))
+ (progn
+ (set-marker mouse-secondary-start nil)
+ (move-overlay mouse-secondary-overlay
+ (car range) (nth 1 range))))))
+ (t
+ (let ((mouse-row (cdr (cdr (mouse-position)))))
+ (cond
+ ((null mouse-row))
+ ((< mouse-row top)
+ (mouse-scroll-subr start-window (- mouse-row top)
+ mouse-secondary-overlay start-point))
+ ((>= mouse-row bottom)
+ (mouse-scroll-subr start-window (1+ (- mouse-row bottom))
+ mouse-secondary-overlay start-point)))))))))
+
+ (if (consp event)
+ (if (marker-position mouse-secondary-start)
+ (save-window-excursion
+ (delete-overlay mouse-secondary-overlay)
+ (x-set-selection 'SECONDARY nil)
+ (select-window start-window)
+ (save-excursion
+ (goto-char mouse-secondary-start)
+ (sit-for 1)
+ nil))
+ (x-set-selection
+ 'SECONDARY
+ (buffer-substring (overlay-start mouse-secondary-overlay)
+ (overlay-end mouse-secondary-overlay)))))))))
+
+(defun mouse-yank-secondary (click)
+ "Insert the secondary selection at the position clicked on.
+Move point to the end of the inserted text.
+If `mouse-yank-at-point' is non-nil, insert at point
+regardless of where you click."
+ (interactive "e")
+ ;; Give temporary modes such as isearch a chance to turn off.
+ (run-hooks 'mouse-leave-buffer-hook)
+ (or mouse-yank-at-point (mouse-set-point click))
+ (insert (x-get-selection 'SECONDARY)))
+
+(defun mouse-kill-secondary ()
+ "Kill the text in the secondary selection.
+This is intended more as a keyboard command than as a mouse command
+but it can work as either one.
+
+The current buffer (in case of keyboard use), or the buffer clicked on,
+must be the one that the secondary selection is in. This requirement
+is to prevent accidents."
+ (interactive)
+ (let* ((keys (this-command-keys))
+ (click (elt keys (1- (length keys)))))
+ (or (eq (overlay-buffer mouse-secondary-overlay)
+ (if (listp click)
+ (window-buffer (posn-window (event-start click)))
+ (current-buffer)))
+ (error "Select or click on the buffer where the secondary selection is")))
+ (let (this-command)
+ (save-excursion
+ (set-buffer (overlay-buffer mouse-secondary-overlay))
+ (kill-region (overlay-start mouse-secondary-overlay)
+ (overlay-end mouse-secondary-overlay))))
+ (delete-overlay mouse-secondary-overlay)
+;;; (x-set-selection 'SECONDARY nil)
+ (setq mouse-secondary-overlay nil))
+
+(defun mouse-secondary-save-then-kill (click)
+ "Save text to point in kill ring; the second time, kill the text.
+You must use this in a buffer where you have recently done \\[mouse-start-secondary].
+If the text between where you did \\[mouse-start-secondary] and where
+you use this command matches the text at the front of the kill ring,
+this command deletes the text.
+Otherwise, it adds the text to the kill ring, like \\[kill-ring-save],
+which prepares for a second click with this command to delete the text.
+
+If you have already made a secondary selection in that buffer,
+this command extends or retracts the selection to where you click.
+If you do this again in a different position, it extends or retracts
+again. If you do this twice in the same position, it kills the selection."
+ (interactive "e")
+ (mouse-minibuffer-check click)
+ (let ((posn (event-start click))
+ (click-posn (posn-point (event-start click)))
+ ;; Don't let a subsequent kill command append to this one:
+ ;; prevent setting this-command to kill-region.
+ (this-command this-command))
+ (or (eq (window-buffer (posn-window posn))
+ (or (and mouse-secondary-overlay
+ (overlay-buffer mouse-secondary-overlay))
+ (if mouse-secondary-start
+ (marker-buffer mouse-secondary-start))))
+ (error "Wrong buffer"))
+ (save-excursion
+ (set-buffer (window-buffer (posn-window posn)))
+ (if (> (mod mouse-secondary-click-count 3) 0)
+ (if (not (and (eq last-command 'mouse-secondary-save-then-kill)
+ (equal click-posn
+ (car (cdr-safe (cdr-safe mouse-save-then-kill-posn))))))
+ ;; Find both ends of the object selected by this click.
+ (let* ((range
+ (mouse-start-end click-posn click-posn
+ mouse-secondary-click-count)))
+ ;; Move whichever end is closer to the click.
+ ;; That's what xterm does, and it seems reasonable.
+ (if (< (abs (- click-posn (overlay-start mouse-secondary-overlay)))
+ (abs (- click-posn (overlay-end mouse-secondary-overlay))))
+ (move-overlay mouse-secondary-overlay (car range)
+ (overlay-end mouse-secondary-overlay))
+ (move-overlay mouse-secondary-overlay
+ (overlay-start mouse-secondary-overlay)
+ (nth 1 range)))
+ ;; We have already put the old region in the kill ring.
+ ;; Replace it with the extended region.
+ ;; (It would be annoying to make a separate entry.)
+ (kill-new (buffer-substring
+ (overlay-start mouse-secondary-overlay)
+ (overlay-end mouse-secondary-overlay)) t)
+ ;; Arrange for a repeated mouse-3 to kill this region.
+ (setq mouse-save-then-kill-posn
+ (list (car kill-ring) (point) click-posn)))
+ ;; If we click this button again without moving it,
+ ;; that time kill.
+ (progn
+ (mouse-save-then-kill-delete-region
+ (overlay-start mouse-secondary-overlay)
+ (overlay-end mouse-secondary-overlay))
+ (setq mouse-save-then-kill-posn nil)
+ (setq mouse-secondary-click-count 0)
+ (delete-overlay mouse-secondary-overlay)))
+ (if (and (eq last-command 'mouse-secondary-save-then-kill)
+ mouse-save-then-kill-posn
+ (eq (car mouse-save-then-kill-posn) (car kill-ring))
+ (equal (cdr mouse-save-then-kill-posn) (list (point) click-posn)))
+ ;; If this is the second time we've called
+ ;; mouse-secondary-save-then-kill, delete the text from the buffer.
+ (progn
+ (mouse-save-then-kill-delete-region
+ (overlay-start mouse-secondary-overlay)
+ (overlay-end mouse-secondary-overlay))
+ (setq mouse-save-then-kill-posn nil)
+ (delete-overlay mouse-secondary-overlay))
+ (if (overlay-start mouse-secondary-overlay)
+ ;; We have a selection, so adjust it.
+ (progn
+ (if (numberp click-posn)
+ (progn
+ ;; Move whichever end of the region is closer to the click.
+ ;; That is what xterm does, and it seems reasonable.
+ (if (< (abs (- click-posn (overlay-start mouse-secondary-overlay)))
+ (abs (- click-posn (overlay-end mouse-secondary-overlay))))
+ (move-overlay mouse-secondary-overlay click-posn
+ (overlay-end mouse-secondary-overlay))
+ (move-overlay mouse-secondary-overlay
+ (overlay-start mouse-secondary-overlay)
+ click-posn))
+ (setq deactivate-mark nil)))
+ (if (eq last-command 'mouse-secondary-save-then-kill)
+ ;; If the front of the kill ring comes from
+ ;; an immediately previous use of this command,
+ ;; replace it with the extended region.
+ ;; (It would be annoying to make a separate entry.)
+ (kill-new (buffer-substring
+ (overlay-start mouse-secondary-overlay)
+ (overlay-end mouse-secondary-overlay)) t)
+ (let (deactivate-mark)
+ (copy-region-as-kill (overlay-start mouse-secondary-overlay)
+ (overlay-end mouse-secondary-overlay)))))
+ (if mouse-secondary-start
+ ;; All we have is one end of a selection,
+ ;; so put the other end here.
+ (let ((start (+ 0 mouse-secondary-start)))
+ (kill-ring-save start click-posn)
+ (if mouse-secondary-overlay
+ (move-overlay mouse-secondary-overlay start click-posn)
+ (setq mouse-secondary-overlay (make-overlay start click-posn)))
+ (overlay-put mouse-secondary-overlay 'face 'secondary-selection))))
+ (setq mouse-save-then-kill-posn
+ (list (car kill-ring) (point) click-posn))))
+ (if (overlay-buffer mouse-secondary-overlay)
+ (x-set-selection 'SECONDARY
+ (buffer-substring
+ (overlay-start mouse-secondary-overlay)
+ (overlay-end mouse-secondary-overlay)))))))
+\f
+(defcustom mouse-buffer-menu-maxlen 20
+ "*Number of buffers in one pane (submenu) of the buffer menu.
+If we have lots of buffers, divide them into groups of
+`mouse-buffer-menu-maxlen' and make a pane (or submenu) for each one."
+ :type 'integer
+ :group 'mouse)
+
+(defcustom mouse-buffer-menu-mode-mult 4
+ "*Group the buffers by the major mode groups on \\[mouse-buffer-menu]?
+This number which determines (in a hairy way) whether \\[mouse-buffer-menu]
+will split the buffer menu by the major modes (see
+`mouse-buffer-menu-mode-groups') or just by menu length.
+Set to 1 (or even 0!) if you want to group by major mode always, and to
+a large number if you prefer a mixed multitude. The default is 4."
+ :type 'integer
+ :group 'mouse
+ :version "20.3")
+
+(defvar mouse-buffer-menu-mode-groups
+ '(("Info\\|Help\\|Apropos\\|Man" . "Help")
+ ("\\bVM\\b\\|\\bMH\\b\\|Message\\|Mail\\|Group\\|Score\\|Summary\\|Article"
+ . "Mail/News")
+ ("\\<C\\>" . "C")
+ ("ObjC" . "C")
+ ("Text" . "Text")
+ ("Outline" . "Text")
+ ("Lisp" . "Lisp"))
+ "How to group various major modes together in \\[mouse-buffer-menu].
+Each element has the form (REGEXP . GROUPNAME).
+If the major mode's name string matches REGEXP, use GROUPNAME instead.")
(defun mouse-buffer-menu (event)
- "Pop up a menu of buffers for selection with the mouse."
+ "Pop up a menu of buffers for selection with the mouse.
+This switches buffers in the window that you clicked on,
+and selects that window."
(interactive "e")
- (let ((menu
- (list "Buffer Menu"
- (cons "Select Buffer"
- (let ((tail (buffer-list))
- head)
- (while tail
- (let ((elt (car tail)))
- (if (not (string-match "^ "
- (buffer-name elt)))
- (setq head (cons
- (cons
- (format
- "%14s %s"
- (buffer-name elt)
- (or (buffer-file-name elt) ""))
- elt)
- head))))
- (setq tail (cdr tail)))
- (reverse head))))))
- (switch-to-buffer (or (x-popup-menu event menu) (current-buffer)))))
+ (mouse-minibuffer-check event)
+ (let ((buffers (buffer-list)) alist menu split-by-major-mode sum-of-squares)
+ ;; Make an alist of elements that look like (MENU-ITEM . BUFFER).
+ (let ((tail buffers))
+ (while tail
+ ;; Divide all buffers into buckets for various major modes.
+ ;; Each bucket looks like (MODE NAMESTRING BUFFERS...).
+ (with-current-buffer (car tail)
+ (let* ((adjusted-major-mode major-mode) elt)
+ (let ((tail mouse-buffer-menu-mode-groups))
+ (while tail
+ (if (string-match (car (car tail)) mode-name)
+ (setq adjusted-major-mode (cdr (car tail))))
+ (setq tail (cdr tail))))
+ (setq elt (assoc adjusted-major-mode split-by-major-mode))
+ (if (null elt)
+ (setq elt (list adjusted-major-mode
+ (if (stringp adjusted-major-mode)
+ adjusted-major-mode
+ mode-name))
+ split-by-major-mode (cons elt split-by-major-mode)))
+ (or (memq (car tail) (cdr (cdr elt)))
+ (setcdr (cdr elt) (cons (car tail) (cdr (cdr elt)))))))
+ (setq tail (cdr tail))))
+ ;; Compute the sum of squares of sizes of the major-mode buckets.
+ (let ((tail split-by-major-mode))
+ (setq sum-of-squares 0)
+ (while tail
+ (setq sum-of-squares
+ (+ sum-of-squares
+ (let ((len (length (cdr (cdr (car tail)))))) (* len len))))
+ (setq tail (cdr tail))))
+ (if (< (* sum-of-squares mouse-buffer-menu-mode-mult)
+ (* (length buffers) (length buffers)))
+ ;; Subdividing by major modes really helps, so let's do it.
+ (let (subdivided-menus (buffers-left (length buffers)))
+ ;; Sort the list to put the most popular major modes first.
+ (setq split-by-major-mode
+ (sort split-by-major-mode
+ (function (lambda (elt1 elt2)
+ (> (length elt1) (length elt2))))))
+ ;; Make a separate submenu for each major mode
+ ;; that has more than one buffer,
+ ;; unless all the remaining buffers are less than 1/10 of them.
+ (while (and split-by-major-mode
+ (and (> (length (car split-by-major-mode)) 3)
+ (> (* buffers-left 10) (length buffers))))
+ (setq subdivided-menus
+ (cons (cons
+ (nth 1 (car split-by-major-mode))
+ (mouse-buffer-menu-alist
+ (cdr (cdr (car split-by-major-mode)))))
+ subdivided-menus))
+ (setq buffers-left
+ (- buffers-left (length (cdr (car split-by-major-mode)))))
+ (setq split-by-major-mode (cdr split-by-major-mode)))
+ ;; If any major modes are left over,
+ ;; make a single submenu for them.
+ (if split-by-major-mode
+ (setq subdivided-menus
+ (cons (cons
+ "Others"
+ (mouse-buffer-menu-alist
+ ;; we don't need split-by-major-mode any
+ ;; more, so we can ditch it with nconc.
+ (apply 'nconc (mapcar 'cddr split-by-major-mode))))
+ subdivided-menus)))
+ (setq menu (cons "Buffer Menu" (nreverse subdivided-menus))))
+ (progn
+ (setq alist (mouse-buffer-menu-alist buffers))
+ (setq menu (cons "Buffer Menu"
+ (mouse-buffer-menu-split "Select Buffer" alist)))))
+ (let ((buf (x-popup-menu event menu))
+ (window (posn-window (event-start event))))
+ (when buf
+ (or (framep window) (select-window window))
+ (switch-to-buffer buf)))))
+
+(defun mouse-buffer-menu-alist (buffers)
+ (let (tail
+ (maxlen 0)
+ head)
+ (setq buffers
+ (sort buffers
+ (function (lambda (elt1 elt2)
+ (string< (buffer-name elt1) (buffer-name elt2))))))
+ (setq tail buffers)
+ (while tail
+ (or (eq ?\ (aref (buffer-name (car tail)) 0))
+ (setq maxlen
+ (max maxlen
+ (length (buffer-name (car tail))))))
+ (setq tail (cdr tail)))
+ (setq tail buffers)
+ (while tail
+ (let ((elt (car tail)))
+ (if (/= (aref (buffer-name elt) 0) ?\ )
+ (setq head
+ (cons
+ (cons
+ (format
+ (format "%%%ds %%s%%s %%s" maxlen)
+ (buffer-name elt)
+ (if (buffer-modified-p elt) "*" " ")
+ (save-excursion
+ (set-buffer elt)
+ (if buffer-read-only "%" " "))
+ (or (buffer-file-name elt)
+ (save-excursion
+ (set-buffer elt)
+ (if list-buffers-directory
+ (expand-file-name
+ list-buffers-directory)))
+ ""))
+ elt)
+ head))))
+ (setq tail (cdr tail)))
+ ;; Compensate for the reversal that the above loop does.
+ (nreverse head)))
+
+(defun mouse-buffer-menu-split (title alist)
+ ;; If we have lots of buffers, divide them into groups of 20
+ ;; and make a pane (or submenu) for each one.
+ (if (> (length alist) (/ (* mouse-buffer-menu-maxlen 3) 2))
+ (let ((alist alist) sublists next
+ (i 1))
+ (while alist
+ ;; Pull off the next mouse-buffer-menu-maxlen buffers
+ ;; and make them the next element of sublist.
+ (setq next (nthcdr mouse-buffer-menu-maxlen alist))
+ (if next
+ (setcdr (nthcdr (1- mouse-buffer-menu-maxlen) alist)
+ nil))
+ (setq sublists (cons (cons (format "Buffers %d" i) alist)
+ sublists))
+ (setq i (1+ i))
+ (setq alist next))
+ (nreverse sublists))
+ ;; Few buffers--put them all in one pane.
+ (list (cons title alist))))
\f
-;; Commands for the scroll bar.
-
-(defun mouse-scroll-down (click)
- (interactive "@e")
- (scroll-down (1+ (cdr (mouse-coords click)))))
-
-(defun mouse-scroll-up (click)
- (interactive "@e")
- (scroll-up (1+ (cdr (mouse-coords click)))))
-
-(defun mouse-scroll-down-full ()
- (interactive "@")
- (scroll-down nil))
-
-(defun mouse-scroll-up-full ()
- (interactive "@")
- (scroll-up nil))
-
-(defun mouse-scroll-move-cursor (click)
- (interactive "@e")
- (move-to-window-line (1+ (cdr (mouse-coords click)))))
-
-(defun mouse-scroll-absolute (event)
- (interactive "@e")
- (let* ((pos (car event))
- (position (car pos))
- (length (car (cdr pos))))
- (if (<= length 0) (setq length 1))
- (let* ((scale-factor (max 1 (/ length (/ 8000000 (buffer-size)))))
- (newpos (* (/ (* (/ (buffer-size) scale-factor)
- position)
- length)
- scale-factor)))
- (goto-char newpos)
- (recenter '(4)))))
-
-(defun mouse-scroll-left (click)
- (interactive "@e")
- (scroll-left (1+ (car (mouse-coords click)))))
-
-(defun mouse-scroll-right (click)
- (interactive "@e")
- (scroll-right (1+ (car (mouse-coords click)))))
-
-(defun mouse-scroll-left-full ()
- (interactive "@")
- (scroll-left nil))
-
-(defun mouse-scroll-right-full ()
- (interactive "@")
- (scroll-right nil))
-
-(defun mouse-scroll-move-cursor-horizontally (click)
- (interactive "@e")
- (move-to-column (1+ (car (mouse-coords click)))))
-
-(defun mouse-scroll-absolute-horizontally (event)
- (interactive "@e")
- (let* ((pos (car event))
- (position (car pos))
- (length (car (cdr pos))))
- (set-window-hscroll (selected-window) 33)))
-
-(global-set-key [scroll-bar mouse-1] 'mouse-scroll-up)
-(global-set-key [scroll-bar mouse-2] 'mouse-scroll-absolute)
-(global-set-key [scroll-bar mouse-3] 'mouse-scroll-down)
-
-(global-set-key [vertical-slider mouse-1] 'mouse-scroll-move-cursor)
-(global-set-key [vertical-slider mouse-2] 'mouse-scroll-move-cursor)
-(global-set-key [vertical-slider mouse-3] 'mouse-scroll-move-cursor)
-
-(global-set-key [thumbup mouse-1] 'mouse-scroll-up-full)
-(global-set-key [thumbup mouse-2] 'mouse-scroll-up-full)
-(global-set-key [thumbup mouse-3] 'mouse-scroll-up-full)
-
-(global-set-key [thumbdown mouse-1] 'mouse-scroll-down-full)
-(global-set-key [thumbdown mouse-2] 'mouse-scroll-down-full)
-(global-set-key [thumbdown mouse-3] 'mouse-scroll-down-full)
-
-(global-set-key [horizontal-scroll-bar mouse-1] 'mouse-scroll-left)
-(global-set-key [horizontal-scroll-bar mouse-2]
- 'mouse-scroll-absolute-horizontally)
-(global-set-key [horizontal-scroll-bar mouse-3] 'mouse-scroll-right)
-
-(global-set-key [horizontal-slider mouse-1]
- 'mouse-scroll-move-cursor-horizontally)
-(global-set-key [horizontal-slider mouse-2]
- 'mouse-scroll-move-cursor-horizontally)
-(global-set-key [horizontal-slider mouse-3]
- 'mouse-scroll-move-cursor-horizontally)
-
-(global-set-key [thumbleft mouse-1] 'mouse-scroll-left-full)
-(global-set-key [thumbleft mouse-2] 'mouse-scroll-left-full)
-(global-set-key [thumbleft mouse-3] 'mouse-scroll-left-full)
-
-(global-set-key [thumbright mouse-1] 'mouse-scroll-right-full)
-(global-set-key [thumbright mouse-2] 'mouse-scroll-right-full)
-(global-set-key [thumbright mouse-3] 'mouse-scroll-right-full)
-
-(global-set-key [horizontal-scroll-bar S-mouse-2]
- 'mouse-split-window-horizontally)
-(global-set-key [mode-line S-mouse-2]
- 'mouse-split-window-horizontally)
-(global-set-key [vertical-scroll-bar S-mouse-2]
- 'mouse-split-window)
+;;; These need to be rewritten for the new scroll bar implementation.
+
+;;;!! ;; Commands for the scroll bar.
+;;;!!
+;;;!! (defun mouse-scroll-down (click)
+;;;!! (interactive "@e")
+;;;!! (scroll-down (1+ (cdr (mouse-coords click)))))
+;;;!!
+;;;!! (defun mouse-scroll-up (click)
+;;;!! (interactive "@e")
+;;;!! (scroll-up (1+ (cdr (mouse-coords click)))))
+;;;!!
+;;;!! (defun mouse-scroll-down-full ()
+;;;!! (interactive "@")
+;;;!! (scroll-down nil))
+;;;!!
+;;;!! (defun mouse-scroll-up-full ()
+;;;!! (interactive "@")
+;;;!! (scroll-up nil))
+;;;!!
+;;;!! (defun mouse-scroll-move-cursor (click)
+;;;!! (interactive "@e")
+;;;!! (move-to-window-line (1+ (cdr (mouse-coords click)))))
+;;;!!
+;;;!! (defun mouse-scroll-absolute (event)
+;;;!! (interactive "@e")
+;;;!! (let* ((pos (car event))
+;;;!! (position (car pos))
+;;;!! (length (car (cdr pos))))
+;;;!! (if (<= length 0) (setq length 1))
+;;;!! (let* ((scale-factor (max 1 (/ length (/ 8000000 (buffer-size)))))
+;;;!! (newpos (* (/ (* (/ (buffer-size) scale-factor)
+;;;!! position)
+;;;!! length)
+;;;!! scale-factor)))
+;;;!! (goto-char newpos)
+;;;!! (recenter '(4)))))
+;;;!!
+;;;!! (defun mouse-scroll-left (click)
+;;;!! (interactive "@e")
+;;;!! (scroll-left (1+ (car (mouse-coords click)))))
+;;;!!
+;;;!! (defun mouse-scroll-right (click)
+;;;!! (interactive "@e")
+;;;!! (scroll-right (1+ (car (mouse-coords click)))))
+;;;!!
+;;;!! (defun mouse-scroll-left-full ()
+;;;!! (interactive "@")
+;;;!! (scroll-left nil))
+;;;!!
+;;;!! (defun mouse-scroll-right-full ()
+;;;!! (interactive "@")
+;;;!! (scroll-right nil))
+;;;!!
+;;;!! (defun mouse-scroll-move-cursor-horizontally (click)
+;;;!! (interactive "@e")
+;;;!! (move-to-column (1+ (car (mouse-coords click)))))
+;;;!!
+;;;!! (defun mouse-scroll-absolute-horizontally (event)
+;;;!! (interactive "@e")
+;;;!! (let* ((pos (car event))
+;;;!! (position (car pos))
+;;;!! (length (car (cdr pos))))
+;;;!! (set-window-hscroll (selected-window) 33)))
+;;;!!
+;;;!! (global-set-key [scroll-bar mouse-1] 'mouse-scroll-up)
+;;;!! (global-set-key [scroll-bar mouse-2] 'mouse-scroll-absolute)
+;;;!! (global-set-key [scroll-bar mouse-3] 'mouse-scroll-down)
+;;;!!
+;;;!! (global-set-key [vertical-slider mouse-1] 'mouse-scroll-move-cursor)
+;;;!! (global-set-key [vertical-slider mouse-2] 'mouse-scroll-move-cursor)
+;;;!! (global-set-key [vertical-slider mouse-3] 'mouse-scroll-move-cursor)
+;;;!!
+;;;!! (global-set-key [thumbup mouse-1] 'mouse-scroll-up-full)
+;;;!! (global-set-key [thumbup mouse-2] 'mouse-scroll-up-full)
+;;;!! (global-set-key [thumbup mouse-3] 'mouse-scroll-up-full)
+;;;!!
+;;;!! (global-set-key [thumbdown mouse-1] 'mouse-scroll-down-full)
+;;;!! (global-set-key [thumbdown mouse-2] 'mouse-scroll-down-full)
+;;;!! (global-set-key [thumbdown mouse-3] 'mouse-scroll-down-full)
+;;;!!
+;;;!! (global-set-key [horizontal-scroll-bar mouse-1] 'mouse-scroll-left)
+;;;!! (global-set-key [horizontal-scroll-bar mouse-2]
+;;;!! 'mouse-scroll-absolute-horizontally)
+;;;!! (global-set-key [horizontal-scroll-bar mouse-3] 'mouse-scroll-right)
+;;;!!
+;;;!! (global-set-key [horizontal-slider mouse-1]
+;;;!! 'mouse-scroll-move-cursor-horizontally)
+;;;!! (global-set-key [horizontal-slider mouse-2]
+;;;!! 'mouse-scroll-move-cursor-horizontally)
+;;;!! (global-set-key [horizontal-slider mouse-3]
+;;;!! 'mouse-scroll-move-cursor-horizontally)
+;;;!!
+;;;!! (global-set-key [thumbleft mouse-1] 'mouse-scroll-left-full)
+;;;!! (global-set-key [thumbleft mouse-2] 'mouse-scroll-left-full)
+;;;!! (global-set-key [thumbleft mouse-3] 'mouse-scroll-left-full)
+;;;!!
+;;;!! (global-set-key [thumbright mouse-1] 'mouse-scroll-right-full)
+;;;!! (global-set-key [thumbright mouse-2] 'mouse-scroll-right-full)
+;;;!! (global-set-key [thumbright mouse-3] 'mouse-scroll-right-full)
+;;;!!
+;;;!! (global-set-key [horizontal-scroll-bar S-mouse-2]
+;;;!! 'mouse-split-window-horizontally)
+;;;!! (global-set-key [mode-line S-mouse-2]
+;;;!! 'mouse-split-window-horizontally)
+;;;!! (global-set-key [vertical-scroll-bar S-mouse-2]
+;;;!! 'mouse-split-window)
\f
-;;;;
-;;;; Here are experimental things being tested. Mouse events
-;;;; are of the form:
-;;;; ((x y) window screen-part key-sequence timestamp)
-;;
-;;;;
-;;;; Dynamically track mouse coordinates
-;;;;
-;;
-;;(defun track-mouse (event)
-;; "Track the coordinates, absolute and relative, of the mouse."
-;; (interactive "@e")
-;; (while mouse-grabbed
-;; (let* ((pos (read-mouse-position (selected-screen)))
-;; (abs-x (car pos))
-;; (abs-y (cdr pos))
-;; (relative-coordinate (coordinates-in-window-p
-;; (list (car pos) (cdr pos))
-;; (selected-window))))
-;; (if (consp relative-coordinate)
-;; (message "mouse: [%d %d], (%d %d)" abs-x abs-y
-;; (car relative-coordinate)
-;; (car (cdr relative-coordinate)))
-;; (message "mouse: [%d %d]" abs-x abs-y)))))
-
-;;
-;; Dynamically put a box around the line indicated by point
-;;
-;;
-;;(require 'backquote)
-;;
-;;(defun mouse-select-buffer-line (event)
-;; (interactive "@e")
-;; (let ((relative-coordinate
-;; (coordinates-in-window-p (car event) (selected-window)))
-;; (abs-y (car (cdr (car event)))))
-;; (if (consp relative-coordinate)
-;; (progn
-;; (save-excursion
-;; (move-to-window-line (car (cdr relative-coordinate)))
-;; (x-draw-rectangle
-;; (selected-screen)
-;; abs-y 0
-;; (save-excursion
-;; (move-to-window-line (car (cdr relative-coordinate)))
-;; (end-of-line)
-;; (push-mark nil t)
-;; (beginning-of-line)
-;; (- (region-end) (region-beginning))) 1))
-;; (sit-for 1)
-;; (x-erase-rectangle (selected-screen))))))
-;;
-;;(defvar last-line-drawn nil)
-;;(defvar begin-delim "[^ \t]")
-;;(defvar end-delim "[^ \t]")
-;;
-;;(defun mouse-boxing (event)
-;; (interactive "@e")
-;; (save-excursion
-;; (let ((screen (selected-screen)))
-;; (while (= (x-mouse-events) 0)
-;; (let* ((pos (read-mouse-position screen))
-;; (abs-x (car pos))
-;; (abs-y (cdr pos))
-;; (relative-coordinate
-;; (coordinates-in-window-p (` ((, abs-x) (, abs-y)))
-;; (selected-window)))
-;; (begin-reg nil)
-;; (end-reg nil)
-;; (end-column nil)
-;; (begin-column nil))
-;; (if (and (consp relative-coordinate)
-;; (or (not last-line-drawn)
-;; (not (= last-line-drawn abs-y))))
-;; (progn
-;; (move-to-window-line (car (cdr relative-coordinate)))
-;; (if (= (following-char) 10)
-;; ()
-;; (progn
-;; (setq begin-reg (1- (re-search-forward end-delim)))
-;; (setq begin-column (1- (current-column)))
-;; (end-of-line)
-;; (setq end-reg (1+ (re-search-backward begin-delim)))
-;; (setq end-column (1+ (current-column)))
-;; (message "%s" (buffer-substring begin-reg end-reg))
-;; (x-draw-rectangle screen
-;; (setq last-line-drawn abs-y)
-;; begin-column
-;; (- end-column begin-column) 1))))))))))
-;;
-;;(defun mouse-erase-box ()
-;; (interactive)
-;; (if last-line-drawn
-;; (progn
-;; (x-erase-rectangle (selected-screen))
-;; (setq last-line-drawn nil))))
-
-;;; (defun test-x-rectangle ()
-;;; (use-local-mouse-map (setq rectangle-test-map (make-sparse-keymap)))
-;;; (define-key rectangle-test-map mouse-motion-button-left 'mouse-boxing)
-;;; (define-key rectangle-test-map mouse-button-left-up 'mouse-erase-box))
-
-;;
-;; Here is how to do double clicking in lisp. About to change.
-;;
-
-(defvar double-start nil)
-(defconst double-click-interval 300
- "Max ticks between clicks")
-
-(defun double-down (event)
- (interactive "@e")
- (if double-start
- (let ((interval (- (nth 4 event) double-start)))
- (if (< interval double-click-interval)
- (progn
- (backward-up-list 1)
- ;; (message "Interval %d" interval)
- (sleep-for 1)))
- (setq double-start nil))
- (setq double-start (nth 4 event))))
-
-(defun double-up (event)
- (interactive "@e")
- (and double-start
- (> (- (nth 4 event ) double-start) double-click-interval)
- (setq double-start nil)))
-
-;;; (defun x-test-doubleclick ()
-;;; (use-local-mouse-map (setq doubleclick-test-map (make-sparse-keymap)))
-;;; (define-key doubleclick-test-map mouse-button-left 'double-down)
-;;; (define-key doubleclick-test-map mouse-button-left-up 'double-up))
-
-;;
-;; This scrolls while button is depressed. Use preferable in scrollbar.
-;;
-
-(defvar scrolled-lines 0)
-(defconst scroll-speed 1)
-
-(defun incr-scroll-down (event)
- (interactive "@e")
- (setq scrolled-lines 0)
- (incremental-scroll scroll-speed))
-
-(defun incr-scroll-up (event)
- (interactive "@e")
- (setq scrolled-lines 0)
- (incremental-scroll (- scroll-speed)))
-
-(defun incremental-scroll (n)
- (while (= (x-mouse-events) 0)
- (setq scrolled-lines (1+ (* scroll-speed scrolled-lines)))
- (scroll-down n)
- (sit-for 300 t)))
-
-(defun incr-scroll-stop (event)
- (interactive "@e")
- (message "Scrolled %d lines" scrolled-lines)
- (setq scrolled-lines 0)
- (sleep-for 1))
-
-;;; (defun x-testing-scroll ()
-;;; (let ((scrolling-map (function mouse-vertical-scroll-bar-prefix)))
-;;; (define-key scrolling-map mouse-button-left 'incr-scroll-down)
-;;; (define-key scrolling-map mouse-button-right 'incr-scroll-up)
-;;; (define-key scrolling-map mouse-button-left-up 'incr-scroll-stop)
-;;; (define-key scrolling-map mouse-button-right-up 'incr-scroll-stop)))
-
-;;
-;; Some playthings suitable for picture mode? They need work.
-;;
+;;;!! ;;;;
+;;;!! ;;;; Here are experimental things being tested. Mouse events
+;;;!! ;;;; are of the form:
+;;;!! ;;;; ((x y) window screen-part key-sequence timestamp)
+;;;!! ;;
+;;;!! ;;;;
+;;;!! ;;;; Dynamically track mouse coordinates
+;;;!! ;;;;
+;;;!! ;;
+;;;!! ;;(defun track-mouse (event)
+;;;!! ;; "Track the coordinates, absolute and relative, of the mouse."
+;;;!! ;; (interactive "@e")
+;;;!! ;; (while mouse-grabbed
+;;;!! ;; (let* ((pos (read-mouse-position (selected-screen)))
+;;;!! ;; (abs-x (car pos))
+;;;!! ;; (abs-y (cdr pos))
+;;;!! ;; (relative-coordinate (coordinates-in-window-p
+;;;!! ;; (list (car pos) (cdr pos))
+;;;!! ;; (selected-window))))
+;;;!! ;; (if (consp relative-coordinate)
+;;;!! ;; (message "mouse: [%d %d], (%d %d)" abs-x abs-y
+;;;!! ;; (car relative-coordinate)
+;;;!! ;; (car (cdr relative-coordinate)))
+;;;!! ;; (message "mouse: [%d %d]" abs-x abs-y)))))
+;;;!!
+;;;!! ;;
+;;;!! ;; Dynamically put a box around the line indicated by point
+;;;!! ;;
+;;;!! ;;
+;;;!! ;;(require 'backquote)
+;;;!! ;;
+;;;!! ;;(defun mouse-select-buffer-line (event)
+;;;!! ;; (interactive "@e")
+;;;!! ;; (let ((relative-coordinate
+;;;!! ;; (coordinates-in-window-p (car event) (selected-window)))
+;;;!! ;; (abs-y (car (cdr (car event)))))
+;;;!! ;; (if (consp relative-coordinate)
+;;;!! ;; (progn
+;;;!! ;; (save-excursion
+;;;!! ;; (move-to-window-line (car (cdr relative-coordinate)))
+;;;!! ;; (x-draw-rectangle
+;;;!! ;; (selected-screen)
+;;;!! ;; abs-y 0
+;;;!! ;; (save-excursion
+;;;!! ;; (move-to-window-line (car (cdr relative-coordinate)))
+;;;!! ;; (end-of-line)
+;;;!! ;; (push-mark nil t)
+;;;!! ;; (beginning-of-line)
+;;;!! ;; (- (region-end) (region-beginning))) 1))
+;;;!! ;; (sit-for 1)
+;;;!! ;; (x-erase-rectangle (selected-screen))))))
+;;;!! ;;
+;;;!! ;;(defvar last-line-drawn nil)
+;;;!! ;;(defvar begin-delim "[^ \t]")
+;;;!! ;;(defvar end-delim "[^ \t]")
+;;;!! ;;
+;;;!! ;;(defun mouse-boxing (event)
+;;;!! ;; (interactive "@e")
+;;;!! ;; (save-excursion
+;;;!! ;; (let ((screen (selected-screen)))
+;;;!! ;; (while (= (x-mouse-events) 0)
+;;;!! ;; (let* ((pos (read-mouse-position screen))
+;;;!! ;; (abs-x (car pos))
+;;;!! ;; (abs-y (cdr pos))
+;;;!! ;; (relative-coordinate
+;;;!! ;; (coordinates-in-window-p (` ((, abs-x) (, abs-y)))
+;;;!! ;; (selected-window)))
+;;;!! ;; (begin-reg nil)
+;;;!! ;; (end-reg nil)
+;;;!! ;; (end-column nil)
+;;;!! ;; (begin-column nil))
+;;;!! ;; (if (and (consp relative-coordinate)
+;;;!! ;; (or (not last-line-drawn)
+;;;!! ;; (not (= last-line-drawn abs-y))))
+;;;!! ;; (progn
+;;;!! ;; (move-to-window-line (car (cdr relative-coordinate)))
+;;;!! ;; (if (= (following-char) 10)
+;;;!! ;; ()
+;;;!! ;; (progn
+;;;!! ;; (setq begin-reg (1- (re-search-forward end-delim)))
+;;;!! ;; (setq begin-column (1- (current-column)))
+;;;!! ;; (end-of-line)
+;;;!! ;; (setq end-reg (1+ (re-search-backward begin-delim)))
+;;;!! ;; (setq end-column (1+ (current-column)))
+;;;!! ;; (message "%s" (buffer-substring begin-reg end-reg))
+;;;!! ;; (x-draw-rectangle screen
+;;;!! ;; (setq last-line-drawn abs-y)
+;;;!! ;; begin-column
+;;;!! ;; (- end-column begin-column) 1))))))))))
+;;;!! ;;
+;;;!! ;;(defun mouse-erase-box ()
+;;;!! ;; (interactive)
+;;;!! ;; (if last-line-drawn
+;;;!! ;; (progn
+;;;!! ;; (x-erase-rectangle (selected-screen))
+;;;!! ;; (setq last-line-drawn nil))))
+;;;!!
+;;;!! ;;; (defun test-x-rectangle ()
+;;;!! ;;; (use-local-mouse-map (setq rectangle-test-map (make-sparse-keymap)))
+;;;!! ;;; (define-key rectangle-test-map mouse-motion-button-left 'mouse-boxing)
+;;;!! ;;; (define-key rectangle-test-map mouse-button-left-up 'mouse-erase-box))
+;;;!!
+;;;!! ;;
+;;;!! ;; Here is how to do double clicking in lisp. About to change.
+;;;!! ;;
+;;;!!
+;;;!! (defvar double-start nil)
+;;;!! (defconst double-click-interval 300
+;;;!! "Max ticks between clicks")
+;;;!!
+;;;!! (defun double-down (event)
+;;;!! (interactive "@e")
+;;;!! (if double-start
+;;;!! (let ((interval (- (nth 4 event) double-start)))
+;;;!! (if (< interval double-click-interval)
+;;;!! (progn
+;;;!! (backward-up-list 1)
+;;;!! ;; (message "Interval %d" interval)
+;;;!! (sleep-for 1)))
+;;;!! (setq double-start nil))
+;;;!! (setq double-start (nth 4 event))))
+;;;!!
+;;;!! (defun double-up (event)
+;;;!! (interactive "@e")
+;;;!! (and double-start
+;;;!! (> (- (nth 4 event ) double-start) double-click-interval)
+;;;!! (setq double-start nil)))
+;;;!!
+;;;!! ;;; (defun x-test-doubleclick ()
+;;;!! ;;; (use-local-mouse-map (setq doubleclick-test-map (make-sparse-keymap)))
+;;;!! ;;; (define-key doubleclick-test-map mouse-button-left 'double-down)
+;;;!! ;;; (define-key doubleclick-test-map mouse-button-left-up 'double-up))
+;;;!!
+;;;!! ;;
+;;;!! ;; This scrolls while button is depressed. Use preferable in scroll bar.
+;;;!! ;;
+;;;!!
+;;;!! (defvar scrolled-lines 0)
+;;;!! (defconst scroll-speed 1)
+;;;!!
+;;;!! (defun incr-scroll-down (event)
+;;;!! (interactive "@e")
+;;;!! (setq scrolled-lines 0)
+;;;!! (incremental-scroll scroll-speed))
+;;;!!
+;;;!! (defun incr-scroll-up (event)
+;;;!! (interactive "@e")
+;;;!! (setq scrolled-lines 0)
+;;;!! (incremental-scroll (- scroll-speed)))
+;;;!!
+;;;!! (defun incremental-scroll (n)
+;;;!! (while (= (x-mouse-events) 0)
+;;;!! (setq scrolled-lines (1+ (* scroll-speed scrolled-lines)))
+;;;!! (scroll-down n)
+;;;!! (sit-for 300 t)))
+;;;!!
+;;;!! (defun incr-scroll-stop (event)
+;;;!! (interactive "@e")
+;;;!! (message "Scrolled %d lines" scrolled-lines)
+;;;!! (setq scrolled-lines 0)
+;;;!! (sleep-for 1))
+;;;!!
+;;;!! ;;; (defun x-testing-scroll ()
+;;;!! ;;; (let ((scrolling-map (function mouse-vertical-scroll-bar-prefix)))
+;;;!! ;;; (define-key scrolling-map mouse-button-left 'incr-scroll-down)
+;;;!! ;;; (define-key scrolling-map mouse-button-right 'incr-scroll-up)
+;;;!! ;;; (define-key scrolling-map mouse-button-left-up 'incr-scroll-stop)
+;;;!! ;;; (define-key scrolling-map mouse-button-right-up 'incr-scroll-stop)))
+;;;!!
+;;;!! ;;
+;;;!! ;; Some playthings suitable for picture mode? They need work.
+;;;!! ;;
+;;;!!
+;;;!! (defun mouse-kill-rectangle (event)
+;;;!! "Kill the rectangle between point and the mouse cursor."
+;;;!! (interactive "@e")
+;;;!! (let ((point-save (point)))
+;;;!! (save-excursion
+;;;!! (mouse-set-point event)
+;;;!! (push-mark nil t)
+;;;!! (if (> point-save (point))
+;;;!! (kill-rectangle (point) point-save)
+;;;!! (kill-rectangle point-save (point))))))
+;;;!!
+;;;!! (defun mouse-open-rectangle (event)
+;;;!! "Kill the rectangle between point and the mouse cursor."
+;;;!! (interactive "@e")
+;;;!! (let ((point-save (point)))
+;;;!! (save-excursion
+;;;!! (mouse-set-point event)
+;;;!! (push-mark nil t)
+;;;!! (if (> point-save (point))
+;;;!! (open-rectangle (point) point-save)
+;;;!! (open-rectangle point-save (point))))))
+;;;!!
+;;;!! ;; Must be a better way to do this.
+;;;!!
+;;;!! (defun mouse-multiple-insert (n char)
+;;;!! (while (> n 0)
+;;;!! (insert char)
+;;;!! (setq n (1- n))))
+;;;!!
+;;;!! ;; What this could do is not finalize until button was released.
+;;;!!
+;;;!! (defun mouse-move-text (event)
+;;;!! "Move text from point to cursor position, inserting spaces."
+;;;!! (interactive "@e")
+;;;!! (let* ((relative-coordinate
+;;;!! (coordinates-in-window-p (car event) (selected-window))))
+;;;!! (if (consp relative-coordinate)
+;;;!! (cond ((> (current-column) (car relative-coordinate))
+;;;!! (delete-char
+;;;!! (- (car relative-coordinate) (current-column))))
+;;;!! ((< (current-column) (car relative-coordinate))
+;;;!! (mouse-multiple-insert
+;;;!! (- (car relative-coordinate) (current-column)) " "))
+;;;!! ((= (current-column) (car relative-coordinate)) (ding))))))
+\f
+;; Choose a completion with the mouse.
-(defun mouse-kill-rectangle (event)
- "Kill the rectangle between point and the mouse cursor."
- (interactive "@e")
- (let ((point-save (point)))
- (save-excursion
- (mouse-set-point event)
- (push-mark nil t)
- (if (> point-save (point))
- (kill-rectangle (point) point-save)
- (kill-rectangle point-save (point))))))
-
-(defun mouse-open-rectangle (event)
- "Kill the rectangle between point and the mouse cursor."
- (interactive "@e")
- (let ((point-save (point)))
+(defun mouse-choose-completion (event)
+ "Click on an alternative in the `*Completions*' buffer to choose it."
+ (interactive "e")
+ ;; Give temporary modes such as isearch a chance to turn off.
+ (run-hooks 'mouse-leave-buffer-hook)
+ (let ((buffer (window-buffer))
+ choice
+ base-size)
(save-excursion
- (mouse-set-point event)
- (push-mark nil t)
- (if (> point-save (point))
- (open-rectangle (point) point-save)
- (open-rectangle point-save (point))))))
-
-;; Must be a better way to do this.
-
-(defun mouse-multiple-insert (n char)
- (while (> n 0)
- (insert char)
- (setq n (1- n))))
-
-;; What this could do is not finalize until button was released.
-
-(defun mouse-move-text (event)
- "Move text from point to cursor position, inserting spaces."
- (interactive "@e")
- (let* ((relative-coordinate
- (coordinates-in-window-p (car event) (selected-window))))
- (if (consp relative-coordinate)
- (cond ((> (current-column) (car relative-coordinate))
- (delete-char
- (- (car relative-coordinate) (current-column))))
- ((< (current-column) (car relative-coordinate))
- (mouse-multiple-insert
- (- (car relative-coordinate) (current-column)) " "))
- ((= (current-column) (car relative-coordinate)) (ding))))))
+ (set-buffer (window-buffer (posn-window (event-start event))))
+ (if completion-reference-buffer
+ (setq buffer completion-reference-buffer))
+ (setq base-size completion-base-size)
+ (save-excursion
+ (goto-char (posn-point (event-start event)))
+ (let (beg end)
+ (if (and (not (eobp)) (get-text-property (point) 'mouse-face))
+ (setq end (point) beg (1+ (point))))
+ (if (null beg)
+ (error "No completion here"))
+ (setq beg (previous-single-property-change beg 'mouse-face))
+ (setq end (or (next-single-property-change end 'mouse-face)
+ (point-max)))
+ (setq choice (buffer-substring beg end)))))
+ (let ((owindow (selected-window)))
+ (select-window (posn-window (event-start event)))
+ (if (and (one-window-p t 'selected-frame)
+ (window-dedicated-p (selected-window)))
+ ;; This is a special buffer's frame
+ (iconify-frame (selected-frame))
+ (or (window-dedicated-p (selected-window))
+ (bury-buffer)))
+ (select-window owindow))
+ (choose-completion-string choice buffer base-size)))
\f
;; Font selection.
+(defun font-menu-add-default ()
+ (let* ((default (cdr (assq 'font (frame-parameters (selected-frame)))))
+ (font-alist x-fixed-font-alist)
+ (elt (or (assoc "Misc" font-alist) (nth 1 font-alist))))
+ (if (assoc "Default" elt)
+ (delete (assoc "Default" elt) elt))
+ (setcdr elt
+ (cons (list "Default"
+ (cdr (assq 'font (frame-parameters (selected-frame)))))
+ (cdr elt)))))
+
(defvar x-fixed-font-alist
'("Font menu"
("Misc"
+ ;; For these, we specify the pixel height and width.
("fixed" "fixed")
- ("6x10" "6x10")
- ("6x12" "6x12")
- ("6x13" "6x13")
- ("7x13" "7x13")
- ("7x14" "7x14")
- ("8x13" "8x13")
- ("8x13 bold" "8x13bold")
- ("8x16" "8x16")
- ("9x15" "9x15")
- ("9x15 bold" "9x15bold")
- ("10x20" "10x20")
- ("11x18" "11x18")
- ("12x24" "12x24"))
+ ("6x10" "-misc-fixed-medium-r-normal--10-*-*-*-c-60-iso8859-1" "6x10")
+ ("6x12"
+ "-misc-fixed-medium-r-semicondensed--12-*-*-*-c-60-iso8859-1" "6x12")
+ ("6x13"
+ "-misc-fixed-medium-r-semicondensed--13-*-*-*-c-60-iso8859-1" "6x13")
+ ("7x13" "-misc-fixed-medium-r-normal--13-*-*-*-c-70-iso8859-1" "7x13")
+ ("7x14" "-misc-fixed-medium-r-normal--14-*-*-*-c-70-iso8859-1" "7x14")
+ ("8x13" "-misc-fixed-medium-r-normal--13-*-*-*-c-80-iso8859-1" "8x13")
+ ("9x15" "-misc-fixed-medium-r-normal--15-*-*-*-c-90-iso8859-1" "9x15")
+ ("10x20" "-misc-fixed-medium-r-normal--20-*-*-*-c-100-iso8859-1" "10x20")
+ ("11x18" "-misc-fixed-medium-r-normal--18-*-*-*-c-110-iso8859-1" "11x18")
+ ("12x24" "-misc-fixed-medium-r-normal--24-*-*-*-c-120-iso8859-1" "12x24")
+ ("")
+ ("clean 5x8"
+ "-schumacher-clean-medium-r-normal--8-*-*-*-c-50-iso8859-1")
+ ("clean 6x8"
+ "-schumacher-clean-medium-r-normal--8-*-*-*-c-60-iso8859-1")
+ ("clean 8x8"
+ "-schumacher-clean-medium-r-normal--8-*-*-*-c-80-iso8859-1")
+ ("clean 8x10"
+ "-schumacher-clean-medium-r-normal--10-*-*-*-c-80-iso8859-1")
+ ("clean 8x14"
+ "-schumacher-clean-medium-r-normal--14-*-*-*-c-80-iso8859-1")
+ ("clean 8x16"
+ "-schumacher-clean-medium-r-normal--16-*-*-*-c-80-iso8859-1")
+ ("")
+ ("sony 8x16" "-sony-fixed-medium-r-normal--16-*-*-*-c-80-iso8859-1"))
;;; We don't seem to have these; who knows what they are.
;;; ("fg-18" "fg-18")
;;; ("fg-25" "fg-25")
;;; ("lucidatypewriter-bold-r-24" "-b&h-lucidatypewriter-bold-r-normal-sans-24-240-75-75-m-140-iso8859-1")
;;; ("fixed-medium-20" "-misc-fixed-medium-*-*-*-20-*-*-*-*-*-*-*")
("Courier"
- ("8" "-adobe-courier-medium-r-normal--8-*-*-*-m-*-iso8859-1")
- ("10" "-adobe-courier-medium-r-normal--10-*-*-*-m-*-iso8859-1")
- ("12" "-adobe-courier-medium-r-normal--12-*-*-*-m-*-iso8859-1")
- ("14" "-adobe-courier-medium-r-normal--14-*-*-*-m-*-iso8859-1")
- ("18" "-adobe-courier-medium-r-normal--18-*-*-*-m-*-iso8859-1")
- ("24" "-adobe-courier-medium-r-normal--24-*-*-*-m-*-iso8859-1")
- ("8 bold" "-adobe-courier-bold-r-normal--8-*-*-*-m-*-iso8859-1")
- ("10 bold" "-adobe-courier-bold-r-normal--10-*-*-*-m-*-iso8859-1")
- ("12 bold" "-adobe-courier-bold-r-normal--12-*-*-*-m-*-iso8859-1")
- ("14 bold" "-adobe-courier-bold-r-normal--14-*-*-*-m-*-iso8859-1")
- ("18 bold" "-adobe-courier-bold-r-normal--18-*-*-*-m-*-iso8859-1")
- ("24 bold" "-adobe-courier-bold-r-normal--24-*-*-*-m-*-iso8859-1")
- ("8 slant" "-adobe-courier-medium-o-normal--8-*-*-*-m-*-iso8859-1")
- ("10 slant" "-adobe-courier-medium-o-normal--10-*-*-*-m-*-iso8859-1")
- ("12 slant" "-adobe-courier-medium-o-normal--12-*-*-*-m-*-iso8859-1")
- ("14 slant" "-adobe-courier-medium-o-normal--14-*-*-*-m-*-iso8859-1")
- ("18 slant" "-adobe-courier-medium-o-normal--18-*-*-*-m-*-iso8859-1")
- ("24 slant" "-adobe-courier-medium-o-normal--24-*-*-*-m-*-iso8859-1")
- ("8 bold slant" "-adobe-courier-bold-o-normal--8-*-*-*-m-*-iso8859-1")
- ("10 bold slant" "-adobe-courier-bold-o-normal--10-*-*-*-m-*-iso8859-1")
- ("12 bold slant" "-adobe-courier-bold-o-normal--12-*-*-*-m-*-iso8859-1")
- ("14 bold slant" "-adobe-courier-bold-o-normal--14-*-*-*-m-*-iso8859-1")
- ("18 bold slant" "-adobe-courier-bold-o-normal--18-*-*-*-m-*-iso8859-1")
- ("24 bold slant" "-adobe-courier-bold-o-normal--24-*-*-*-m-*-iso8859-1"))
+ ;; For these, we specify the point height.
+ ("8" "-adobe-courier-medium-r-normal--*-80-*-*-m-*-iso8859-1")
+ ("10" "-adobe-courier-medium-r-normal--*-100-*-*-m-*-iso8859-1")
+ ("12" "-adobe-courier-medium-r-normal--*-120-*-*-m-*-iso8859-1")
+ ("14" "-adobe-courier-medium-r-normal--*-140-*-*-m-*-iso8859-1")
+ ("18" "-adobe-courier-medium-r-normal--*-180-*-*-m-*-iso8859-1")
+ ("24" "-adobe-courier-medium-r-normal--*-240-*-*-m-*-iso8859-1")
+ ("8 bold" "-adobe-courier-bold-r-normal--*-80-*-*-m-*-iso8859-1")
+ ("10 bold" "-adobe-courier-bold-r-normal--*-100-*-*-m-*-iso8859-1")
+ ("12 bold" "-adobe-courier-bold-r-normal--*-120-*-*-m-*-iso8859-1")
+ ("14 bold" "-adobe-courier-bold-r-normal--*-140-*-*-m-*-iso8859-1")
+ ("18 bold" "-adobe-courier-bold-r-normal--*-180-*-*-m-*-iso8859-1")
+ ("24 bold" "-adobe-courier-bold-r-normal--*-240-*-*-m-*-iso8859-1")
+ ("8 slant" "-adobe-courier-medium-o-normal--*-80-*-*-m-*-iso8859-1")
+ ("10 slant" "-adobe-courier-medium-o-normal--*-100-*-*-m-*-iso8859-1")
+ ("12 slant" "-adobe-courier-medium-o-normal--*-120-*-*-m-*-iso8859-1")
+ ("14 slant" "-adobe-courier-medium-o-normal--*-140-*-*-m-*-iso8859-1")
+ ("18 slant" "-adobe-courier-medium-o-normal--*-180-*-*-m-*-iso8859-1")
+ ("24 slant" "-adobe-courier-medium-o-normal--*-240-*-*-m-*-iso8859-1")
+ ("8 bold slant" "-adobe-courier-bold-o-normal--*-80-*-*-m-*-iso8859-1")
+ ("10 bold slant" "-adobe-courier-bold-o-normal--*-100-*-*-m-*-iso8859-1")
+ ("12 bold slant" "-adobe-courier-bold-o-normal--*-120-*-*-m-*-iso8859-1")
+ ("14 bold slant" "-adobe-courier-bold-o-normal--*-140-*-*-m-*-iso8859-1")
+ ("18 bold slant" "-adobe-courier-bold-o-normal--*-180-*-*-m-*-iso8859-1")
+ ("24 bold slant" "-adobe-courier-bold-o-normal--*-240-*-*-m-*-iso8859-1"))
)
"X fonts suitable for use in Emacs.")
-(defun mouse-set-font (font)
- "Select an emacs font from a list of known good fonts"
+(defun mouse-set-font (&rest fonts)
+ "Select an emacs font from a list of known good fonts and fontsets."
(interactive
- (x-popup-menu last-nonmenu-event x-fixed-font-alist))
- (modify-frame-parameters (selected-frame)
- (list (cons 'font font))))
+ (x-popup-menu
+ last-nonmenu-event
+ ;; Append list of fontsets currently defined.
+ (append x-fixed-font-alist (list (generate-fontset-menu)))))
+ (if fonts
+ (let (font)
+ (while fonts
+ (condition-case nil
+ (progn
+ (set-default-font (car fonts))
+ (setq font (car fonts))
+ (setq fonts nil))
+ (error
+ (setq fonts (cdr fonts)))))
+ (if (null font)
+ (error "Font not found")))))
\f
;;; Bindings for mouse commands.
-;; This won't be needed once the drag and down events
-;; are properly implemented.
-(global-set-key [mouse-1] 'mouse-set-point)
+(define-key global-map [down-mouse-1] 'mouse-drag-region)
+(global-set-key [mouse-1] 'mouse-set-point)
+(global-set-key [drag-mouse-1] 'mouse-set-region)
-(global-set-key [drag-mouse-1] 'mouse-set-region)
-(global-set-key [mouse-2] 'mouse-yank-at-click)
-(global-set-key [mouse-3] 'mouse-save-then-kill)
+;; These are tested for in mouse-drag-region.
+(global-set-key [double-mouse-1] 'mouse-set-point)
+(global-set-key [triple-mouse-1] 'mouse-set-point)
-(global-set-key [C-mouse-1] 'mouse-buffer-menu)
+(global-set-key [mouse-2] 'mouse-yank-at-click)
+(global-set-key [mouse-3] 'mouse-save-then-kill)
+
+;; By binding these to down-going events, we let the user use the up-going
+;; event to make the selection, saving a click.
+(global-set-key [C-down-mouse-1] 'mouse-buffer-menu)
+(if (not (eq system-type 'ms-dos))
+ (global-set-key [S-down-mouse-1] 'mouse-set-font))
+;; C-down-mouse-2 is bound in facemenu.el.
+(global-set-key [C-down-mouse-3] 'mouse-major-mode-menu)
-(global-set-key [C-mouse-3] 'mouse-set-font)
;; Replaced with dragging mouse-1
;; (global-set-key [S-mouse-1] 'mouse-set-mark)
-(global-set-key [mode-line mouse-1] 'mouse-delete-other-windows)
-(global-set-key [mode-line mouse-3] 'mouse-delete-window)
-\f
-;; Define the mouse help menu tree.
-
-(defvar help-menu-map '(keymap "Help"))
-(global-set-key [C-mouse-2] help-menu-map)
-
-(defvar help-apropos-map '(keymap "Is there a command that..."))
-(defvar help-keys-map '(keymap "Key Commands <==> Functions"))
-(defvar help-manual-map '(keymap "Manual and tutorial"))
-(defvar help-misc-map '(keymap "Odds and ends"))
-(defvar help-modes-map '(keymap "Modes"))
-(defvar help-admin-map '(keymap "Administrivia"))
-
-(define-key help-menu-map [apropos]
- (cons "@Is there a command that..." help-apropos-map))
-(define-key help-menu-map [keys]
- (cons "@Key Commands <==> Functions" help-keys-map))
-(define-key help-menu-map [manuals]
- (cons "@Manual and tutorial" help-manual-map))
-(define-key help-menu-map [misc]
- (cons "@Odds and ends" help-misc-map))
-(define-key help-menu-map [modes]
- (cons "@Modes" help-modes-map))
-(define-key help-menu-map [admin]
- (cons "@Administrivia" help-admin-map))
-
-(define-key help-apropos-map "c" '("Command Apropos" . command-apropos))
-(define-key help-apropos-map "a" '("Apropos" . apropos))
-
-(define-key help-keys-map "b"
- '("List all keystroke commands" . describe-bindings))
-(define-key help-keys-map "c"
- '("Describe key briefly" . describe-key-briefly))
-(define-key help-keys-map "k"
- '("Describe key verbose" . describe-key))
-(define-key help-keys-map "f"
- '("Describe Lisp function" . describe-function))
-(define-key help-keys-map "w"
- '("Where is this command" . where-is))
-
-(define-key help-manual-map "i" '("Info system" . info))
-(define-key help-manual-map "t"
- '("Invoke Emacs tutorial" . help-with-tutorial))
-
-(define-key help-misc-map "l" '("Last 100 Keystrokes" . view-lossage))
-(define-key help-misc-map "s" '("Describe syntax table" . describe-syntax))
-
-(define-key help-modes-map "m"
- '("Describe current major mode" . describe-mode))
-(define-key help-modes-map "b"
- '("List all keystroke commands" . describe-bindings))
-
-(define-key help-admin-map "n"
- '("view Emacs news" . view-emacs-news))
-(define-key help-admin-map "l"
- '("View the GNU Emacs license" . describe-copying))
-(define-key help-admin-map "d"
- '("Describe distribution" . describe-distribution))
-(define-key help-admin-map "w"
- '("Describe (non)warranty" . describe-no-warranty))
+(global-set-key [mode-line mouse-1] 'mouse-select-window)
+(global-set-key [mode-line drag-mouse-1] 'mouse-select-window)
+(global-set-key [mode-line down-mouse-1] 'mouse-drag-mode-line)
+(global-set-key [mode-line mouse-2] 'mouse-delete-other-windows)
+(global-set-key [mode-line mouse-3] 'mouse-delete-window)
+(global-set-key [mode-line C-mouse-2] 'mouse-split-window-horizontally)
+(global-set-key [vertical-scroll-bar C-mouse-2] 'mouse-split-window-vertically)
+(global-set-key [vertical-line C-mouse-2] 'mouse-split-window-vertically)
+(global-set-key [vertical-line down-mouse-1] 'mouse-drag-vertical-line)
+(global-set-key [vertical-line mouse-1] 'mouse-select-window)
(provide 'mouse)