;;; mouse.el --- window system-independent mouse support
-;; Copyright (C) 1993, 1994, 1995 Free Software Foundation, Inc.
+;; Copyright (C) 1993, 1994, 1995, 1999 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: hardware
;; 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."
+ "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\nP")
- (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]))))
+ ;; 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))
(setq result (x-popup-menu t (list newmap)))
(if result
(let ((command (key-binding
(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)
;; 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.
;; 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."
'right)))
(if (one-window-p t)
(error "Attempt to resize sole ordinary window"))
- (if (eq which-side 'left)
- (if (= (nth 0 (window-edges start-event-window)) 0)
- (error "Attempt to drag leftmost scrollbar"))
- (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
(save-selected-window
;; If the scroll bar is on the window's left,
;; adjust the window on the left.
- (if (eq which-side 'left)
- (select-window (previous-window)))
+ (unless (eq which-side 'right)
+ (select-window (previous-window)))
(setq x (- (car (cdr mouse))
- (if (eq which-side 'left) 2 0))
+ (if (eq which-side 'right) 0 2))
edges (window-edges)
left (nth 0 edges)
right (nth 2 edges))
(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.
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)))
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:
: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"
and selects that window."
(interactive "e")
(mouse-minibuffer-check event)
- (let (buffers alist menu split-by-major-mode sum-of-squares)
- (setq buffers (buffer-list))
+ (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
(while tail
(setq sum-of-squares
(+ sum-of-squares
- (* (length (cdr (cdr (car tail))))
- (length (cdr (cdr (car tail)))))))
+ (let ((len (length (cdr (cdr (car tail)))))) (* len len))))
(setq tail (cdr tail))))
- (if (< (* sum-of-squares 4) (* (length buffers) (length buffers)))
+ (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.
(cons (cons
"Others"
(mouse-buffer-menu-alist
- (apply 'append
- (mapcar 'cdr
- (mapcar 'cdr split-by-major-mode)))))
+ ;; 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 subdivided-menus
- (nreverse subdivided-menus))
- (setq menu (cons "Buffer Menu" 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
(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")
(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)
+(make-obsolete 'mldrag-drag-vertical-line 'mouse-drag-vertical-line)
+(provide 'mldrag)
+
;;; mouse.el ends here