;;; mouse.el --- window system-independent mouse support
-;; Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.
+;; Copyright (C) 1993, 1994, 1995, 1999, 2000 Free Software Foundation, Inc.
;; Maintainer: FSF
-;; Keywords: hardware
+;; Keywords: hardware, mouse
;; This file is part of GNU Emacs.
;;; Indent track-mouse like progn.
(put 'track-mouse 'lisp-indent-function 0)
-(defvar mouse-yank-at-point nil
- "*If non-nil, mouse yank commands yank at point instead of at click.")
+(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)
- "Pop up a mode-specific menu of mouse commands."
+(defun popup-menu (menu &optional position prefix)
+ "Popup the given menu and call the selected option.
+MENU can be a keymap, an easymenu-style menu or a list of keymaps as for
+`x-popup-menu'.
+POSITION can be a click event or ((XOFFSET YOFFSET) WINDOW) and defaults to
+ the current mouse position.
+PREFIX is the prefix argument (if any) to pass to the command."
+ (let* ((map (cond
+ ((keymapp menu) menu)
+ ((and (listp menu) (keymapp (car menu))) menu)
+ (t (let* ((map (easy-menu-create-menu (car menu) (cdr menu)))
+ (filter (when (symbolp map)
+ (plist-get (get map 'menu-pro) :filter))))
+ (if filter (funcall filter (symbol-function map)) map)))))
+ event)
+ ;; The looping behavior was taken from lmenu's popup-menu-popup
+ (while (and map (setq event
+ ;; map could be a prefix key, in which case
+ ;; we need to get its function cell
+ ;; definition.
+ (x-popup-menu position (indirect-function map))))
+ ;; Strangely x-popup-menu returns a list.
+ ;; mouse-major-mode-menu was using a weird:
+ ;; (key-binding (apply 'vector (append '(menu-bar) menu-prefix events)))
+ (let ((cmd
+ (if (and (not (keymapp map)) (listp map))
+ ;; We were given a list of keymaps. Search them all
+ ;; in sequence until a first binding is found.
+ (let ((mouse-click (apply 'vector event))
+ binding)
+ (while (and map (null binding))
+ (setq binding (lookup-key (car map) mouse-click))
+ (setq map (cdr map)))
+ binding)
+ ;; We were given a single keymap.
+ (lookup-key map (apply 'vector event)))))
+ (setq map nil)
+ ;; Clear out echoing, which perhaps shows a prefix arg.
+ (message "")
+ (when cmd
+ (if (keymapp cmd)
+ ;; Try again but with the submap.
+ (setq map cmd)
+ (setq prefix-arg prefix)
+ ;; mouse-major-mode-menu was using `command-execute' instead.
+ (call-interactively cmd)))))))
+
+(defun mouse-major-mode-menu (event prefix)
+ "Pop up a mode-specific menu of mouse commands.
+Default to the Edit menu if the major mode doesn't define a menu."
;; Switch to the window clicked on, because otherwise
;; the mode's commands may not make sense.
- (interactive "@e")
- (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)))))
- (if command
- (command-execute command))))))
+ (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)
+ ;; Keymap from which to inherit; may be null.
+ (ancestor (mouse-major-mode-menu-1
+ (and (current-local-map)
+ (lookup-key (current-local-map) [menu-bar]))))
+ ;; Make a keymap in which our last command leads to a menu or
+ ;; default to the edit menu.
+ (newmap (if ancestor
+ (make-sparse-keymap (concat mode-name " Mode"))
+ menu-bar-edit-menu))
+ result)
+ (if ancestor
+ ;; Make our menu inherit from the desired keymap which we want
+ ;; to display as the menu now.
+ (set-keymap-parent newmap ancestor))
+ (popup-menu newmap event prefix)))
+
;; Compute and cache the equivalent keys in MENU and all its submenus.
;;;(defun mouse-major-mode-menu-compute-equiv-keys (menu)
(if (eq submap t)
menubar
(setq mouse-major-mode-menu-prefix (list (car submap)))
- (cdr (cdr submap))))))
+ (lookup-key menubar (vector (car submap)))))))
+
+(defun mouse-popup-menubar (event prefix)
+ "Pops up a menu equiavlent to the menu bar a keyboard EVENT with PREFIX.
+The contents are the items that would be in the menu bar whether or
+not it is actually displayed."
+ (interactive "@e \nP")
+ (run-hooks 'activate-menubar-hook)
+ (let* ((local-menu (and (current-local-map)
+ (lookup-key (current-local-map) [menu-bar])))
+ (global-menu (lookup-key global-map [menu-bar]))
+ (local-title-or-map (and local-menu (cadr local-menu)))
+ (global-title-or-map (cadr global-menu)))
+ ;; If the keymaps don't have prompt string (a lazy programmer
+ ;; didn't bother to provide one), create it and insert it into the
+ ;; keymaps; each keymap gets its own prompt. This is required for
+ ;; non-toolkit versions to display non-empty menu pane names.
+ (or (null local-menu)
+ (stringp local-title-or-map)
+ (setq local-menu (cons 'keymap
+ (cons (concat mode-name " Mode Menu")
+ (cdr local-menu)))))
+ (or (stringp global-title-or-map)
+ (setq global-menu (cons 'keymap
+ (cons "Global Menu"
+ (cdr global-menu)))))
+ ;; Supplying the list is faster than making a new map.
+ (popup-menu (if local-menu
+ (list global-menu local-menu)
+ (list global-menu))
+ event prefix)))
+
+(defun mouse-popup-menubar-stuff (event prefix)
+ "Popup a menu like either `mouse-major-mode-menu' or `mouse-popup-menubar'.
+Use the former if the menu bar is showing, otherwise the latter."
+ (interactive "@e \nP")
+ (if (zerop (assoc-default 'menu-bar-lines (frame-parameters) 'eq 0))
+ (mouse-popup-menubar event prefix)
+ (mouse-major-mode-menu event prefix)))
\f
;; Commands that operate on windows.
(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")
- (mouse-minibuffer-check click)
- (delete-window (posn-window (event-start click))))
+ (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."
(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")
+(defun mouse-drag-mode-line-1 (start-event mode-line-p)
+ "Change the height of a window by dragging on the mode or header line.
+START-EVENT is the starting mouse-event of the drag action.
+MODE-LINE-P non-nil means a mode line is dragged."
;; Give temporary modes such as isearch a chance to turn off.
(run-hooks 'mouse-leave-buffer-hook)
(let ((done nil)
should-enlarge-minibuffer
event mouse minibuffer y top bot edges wconfig params growth)
(setq params (frame-parameters))
- (if (and (not (setq minibuffer (cdr (assq 'minibuffer params))))
- (one-window-p t))
- (error "Attempt to resize sole window"))
+ (setq minibuffer (cdr (assq 'minibuffer params)))
(track-mouse
(progn
;; enlarge-window only works on the selected window, so
;; move its modeline the minibuffer must be enlarged.
(setq should-enlarge-minibuffer
(and minibuffer
+ mode-line-p
(not (one-window-p t))
(= (nth 1 (window-edges minibuffer))
(nth 3 (window-edges)))))
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))
+ (cond (mode-line-p
+ ;; Scale back a move that would make the
+ ;; window too short.
+ (when (< (- y top -1) window-min-height)
+ (setq y (+ top window-min-height -1)))
+ (setq growth (- y bot -1)))
+ (t
+ (when (< (- bot y -1) window-min-height)
+ (setq y (- bot window-min-height -1)))
+ (setq growth (- top y -1))))
+ (setq 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
(enlarge-window (- growth))
(select-window start-event-window))
;; no. grow/shrink the selected window
+ ;; (message "growth = %d" growth)
(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
+ ;; change, but only if we didn't grow/shrink
;; 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)
+ mode-line-p
(/= top (nth 1 (window-edges)))))
(set-window-configuration wconfig)))))))))
+
+(defun mouse-drag-mode-line (start-event)
+ "Change the height of a window by dragging on the mode line."
+ (interactive "e")
+ (mouse-drag-mode-line-1 start-event t))
+
+(defun mouse-drag-header-line (start-event)
+ "Change the height of a window by dragging on the header line."
+ (interactive "e")
+ (mouse-drag-mode-line-1 start-event nil))
+
\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)
+ (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 (= (nth 2 (window-edges start-event-window))
- (frame-width start-event-frame))
- (error "Attempt to drag rightmost scrollbar"))
+ (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
((null (car (cdr mouse)))
nil)
(t
- (setq x (car (cdr mouse))
- edges (window-edges)
- left (nth 0 edges)
- right (nth 2 edges))
- ;; scale back a move that would make the
- ;; window too thin.
- (cond ((< (- 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)))))))))
+ (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.
;; 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 ms-windows))
+ (memq (framep (selected-frame)) '(x pc w32))
(sit-for 1))
(push-mark)
(set-mark (point))
;; 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)
+ (let (this-command last-command deactivate-mark)
(copy-region-as-kill (mark) (point)))
(mouse-set-region-1)))
(setq mouse-last-region-end (region-end))
(setq mouse-last-region-tick (buffer-modified-tick)))
-(defvar mouse-scroll-delay 0.25
+(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.")
+Setting this to zero causes Emacs to scroll as fast as it can."
+ :type 'number
+ :group 'mouse)
-(defvar mouse-scroll-min-lines 1
+(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.")
+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.
(progn
(set-window-start window (point))
(if (natnump jump)
- (progn
- (goto-char (window-end window))
- ;; window-end doesn't reflect the window's new
- ;; start position until the next redisplay. Hurrah.
- (vertical-motion (1- jump) window))
+ (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)))
(start-point (posn-point start-posn))
(start-window (posn-window start-posn))
(start-frame (window-frame start-window))
+ (start-hscroll (window-hscroll start-window))
(bounds (window-edges start-window))
(top (nth 1 bounds))
(bottom (if (window-minibuffer-p start-window)
nil
(setq end (event-end event)
end-point (posn-point end))
- (if end-point
+ (if (numberp end-point)
(setq last-end-point end-point))
(cond
(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 nil ;; (and (= (mod mouse-selection-click-count 3) 0) (fboundp fun))
- ;; In this case, we can just let the up-event execute normally.
- (let ((end (event-end event)))
- ;; Set the position in the event before we replay it,
- ;; because otherwise it may have a position in the wrong
- ;; buffer.
- (setcar (cdr end) end-of-range)
- ;; Delete the overlay before calling the function,
- ;; because delete-overlay increases buffer-modified-tick.
- (delete-overlay mouse-drag-overlay)
- (setq unread-command-events
- (cons event unread-command-events)))
- (if (not (= (overlay-start mouse-drag-overlay)
+ (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)))
- (let* ((stop-point (or (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)
- (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))))
- (goto-char (overlay-end mouse-drag-overlay))
- (setq this-command 'mouse-set-point)
- (delete-overlay 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.
+ (when (and (functionp fun)
+ (= start-hscroll (window-hscroll start-window)))
+ (setq unread-command-events
+ (cons event unread-command-events)))))
(delete-overlay mouse-drag-overlay)))))
\f
;; Commands to handle xterm-style multiple clicks.
If DIR is positive skip forward; if negative, skip backward."
(let* ((char (following-char))
(syntax (char-to-string (char-syntax char))))
- (cond ((or (string= syntax "w") (string= syntax " "))
+ (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)))
(forward-sexp 1)
(point))
(error end))))
- (list (1+ start)
- (save-excursion
+ (list (save-excursion
(condition-case nil
(progn
(goto-char (1+ start))
(backward-sexp 1)
(point))
- (error end)))))))
+ (error end)))
+ (1+ start)))))
((= mode 1)
(list (save-excursion
(goto-char start)
(last (nthcdr index events))
(event (car last))
(basic (event-basic-type event))
- (modifiers (delq 'double (delq 'triple (copy-sequence (event-modifiers event)))))
+ (old-modifiers (event-modifiers event))
+ (modifiers (delq 'double (delq 'triple (copy-sequence old-modifiers))))
(new
(if (consp event)
- (cons (event-convert-list (nreverse (cons basic modifiers)))
+ ;; 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 (key-binding (apply 'vector events))
+ (if (and (not (equal modifiers old-modifiers))
+ (key-binding (apply 'vector events)))
t
(setcar last event)
nil)))
(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
- (while (progn (setq event (read-event))
- (setq events (append events (list event)))
- (setq key (apply 'vector events))
+ (delete-overlay mouse-drag-overlay)
+ (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 (member key mouse-region-delete-keys))
- (not (mouse-undouble-last-event events))))))
- ;; 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)))))
+ (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.
(defun mouse-yank-at-click (click arg)
"Insert the last stretch of killed text at the position clicked on.
-Also move point to one end of the text thus inserted (normally the end).
+Also move point to one end of the text thus inserted (normally the end),
+and set mark at the beginning..
Prefix arguments are interpreted as with \\[yank].
If `mouse-yank-at-point' is non-nil, insert at point
regardless of where you click."
;; 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)
+ (let (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)
+ (let (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.
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")
- (let ((before-scroll point-before-scroll))
+ (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:
(goto-char before-scroll))
(exchange-point-and-mark)
(kill-new (buffer-substring (point) (mark t)))
- (if window-system
- (mouse-show-mark)))
+ (mouse-show-mark))
(mouse-set-region-1)
(setq mouse-save-then-kill-posn
(list (car kill-ring) (point) click-posn)))))))
(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."
+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)
mouse-secondary-overlay start-point)))))))))
(if (consp event)
-;;; (eq (get (event-basic-type event) 'event-kind) 'mouse-click)
-;;; (eq (posn-window (event-end event)) start-window)
-;;; (numberp (posn-point (event-end event)))
(if (marker-position mouse-secondary-start)
(save-window-excursion
(delete-overlay mouse-secondary-overlay)
(select-window start-window)
(save-excursion
(goto-char mouse-secondary-start)
- (sit-for 1)))
+ (sit-for 1)
+ nil))
(x-set-selection
'SECONDARY
(buffer-substring (overlay-start mouse-secondary-overlay)
(kill-new (buffer-substring
(overlay-start mouse-secondary-overlay)
(overlay-end mouse-secondary-overlay)) t)
- (copy-region-as-kill (overlay-start mouse-secondary-overlay)
- (overlay-end mouse-secondary-overlay))))
+ (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.
(overlay-start mouse-secondary-overlay)
(overlay-end mouse-secondary-overlay)))))))
\f
-(defvar mouse-menu-buffer-maxlen 20
+(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-menu-buffer-maxlen' and make a pane (or submenu) for each one.")
+`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.
and selects that window."
(interactive "e")
(mouse-minibuffer-check event)
- (let* ((buffers
- ;; Make an alist of (MENU-ITEM . BUFFER).
- (let ((tail (buffer-list))
- (maxlen 0)
- head)
- (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 (buffer-list))
- (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)))
- (menu
- ;; If we have lots of buffers, divide them into groups of 20
- ;; and make a pane (or submenu) for each one.
- (if (> (length buffers) (/ (* mouse-menu-buffer-maxlen 3) 2))
- (let ((buffers buffers) sublists next
- (i 1))
- (while buffers
- ;; Pull off the next mouse-menu-buffer-maxlen buffers
- ;; and make them the next element of sublist.
- (setq next (nthcdr mouse-menu-buffer-maxlen buffers))
- (if next
- (setcdr (nthcdr (1- mouse-menu-buffer-maxlen) buffers)
- nil))
- (setq sublists (cons (cons (format "Buffers %d" i) buffers)
- sublists))
- (setq i (1+ i))
- (setq buffers next))
- (cons "Buffer Menu" (nreverse sublists)))
- ;; Few buffers--put them all in one pane.
- (list "Buffer Menu" (cons "Select Buffer" buffers)))))
+ (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))))
- (if buf
- (progn
+ (when buf
(or (framep window) (select-window window))
- (switch-to-buffer buf))))))
+ (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
;;; These need to be rewritten for the new scroll bar implementation.
(if (assoc "Default" elt)
(delete (assoc "Default" elt) elt))
(setcdr elt
- (cons (list "Default"
- (cdr (assq 'font (frame-parameters (selected-frame)))))
+ (cons (list "Default" default)
(cdr elt)))))
(defvar x-fixed-font-alist
("clean 8x16"
"-schumacher-clean-medium-r-normal--16-*-*-*-c-80-iso8859-1")
("")
- ("sony 8x16" "-sony-fixed-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")
-;;; ("lucidasanstypewriter-12" "lucidasanstypewriter-12")
-;;; ("lucidasanstypewriter-bold-14" "lucidasanstypewriter-bold-14")
-;;; ("lucidasanstypewriter-bold-24" "lucidasanstypewriter-bold-24")
+ ("lucidasanstypewriter-12" "-b&h-lucidatypewriter-medium-r-normal-sans-*-120-*-*-*-*-iso8859-1")
+ ("lucidasanstypewriter-bold-14" "-b&h-lucidatypewriter-bold-r-normal-sans-*-140-*-*-*-*-iso8859-1")
+ ("lucidasanstypewriter-bold-24"
+ "-b&h-lucidatypewriter-bold-r-normal-sans-*-240-*-*-*-*-iso8859-1")
;;; ("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"
;; For these, we specify the point height.
("8" "-adobe-courier-medium-r-normal--*-80-*-*-m-*-iso8859-1")
"X fonts suitable for use in Emacs.")
(defun mouse-set-font (&rest fonts)
- "Select an emacs font from a list of known good 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))
+ (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
(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-down-mouse-3] 'mouse-popup-menubar-stuff)
;; Replaced with dragging mouse-1
(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 [header-line down-mouse-1] 'mouse-drag-header-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)
(provide 'mouse)
+;; This file contains the functionality of the old mldrag.el.
+(defalias 'mldrag-drag-mode-line 'mouse-drag-mode-line)
+(defalias 'mldrag-drag-vertical-line 'mouse-drag-vertical-line)
+(make-obsolete 'mldrag-drag-mode-line 'mouse-drag-mode-line "21.1")
+(make-obsolete 'mldrag-drag-vertical-line 'mouse-drag-vertical-line "21.1")
+(provide 'mldrag)
+
;;; mouse.el ends here