;;; mouse.el --- window system-independent mouse support -*- lexical-binding: t -*-
-;; Copyright (C) 1993-1995, 1999-2012 Free Software Foundation, Inc.
+;; Copyright (C) 1993-1995, 1999-2013 Free Software Foundation, Inc.
;; Maintainer: FSF
;; Keywords: hardware, mouse
:version "22.1"
:group 'mouse)
+(defun mouse--down-1-maybe-follows-link (&optional _prompt)
+ "Turn `mouse-1' events into `mouse-2' events if follows-link.
+Expects to be bound to `down-mouse-1' in `key-translation-map'."
+ (if (or (null mouse-1-click-follows-link)
+ (not (eq (if (eq mouse-1-click-follows-link 'double)
+ 'double-down-mouse-1 'down-mouse-1)
+ (car-safe last-input-event)))
+ (not (mouse-on-link-p (event-start last-input-event)))
+ (and (not mouse-1-click-in-non-selected-windows)
+ (not (eq (selected-window)
+ (posn-window (event-start last-input-event))))))
+ nil
+ (let ((this-event last-input-event)
+ (timedout
+ (sit-for (if (numberp mouse-1-click-follows-link)
+ (/ (abs mouse-1-click-follows-link) 1000.0)
+ 0))))
+ (if (if (and (numberp mouse-1-click-follows-link)
+ (>= mouse-1-click-follows-link 0))
+ timedout (not timedout))
+ nil
+
+ (let ((event (read-event)))
+ (if (eq (car-safe event) (if (eq mouse-1-click-follows-link 'double)
+ 'double-mouse-1 'mouse-1))
+ ;; Turn the mouse-1 into a mouse-2 to follow links.
+ (let ((newup (if (eq mouse-1-click-follows-link 'double)
+ 'double-mouse-2 'mouse-2))
+ (newdown (if (eq mouse-1-click-follows-link 'double)
+ 'double-down-mouse-2 'down-mouse-2)))
+ ;; If mouse-2 has never been done by the user, it doesn't have
+ ;; the necessary property to be interpreted correctly.
+ (put newup 'event-kind (get (car event) 'event-kind))
+ (put newdown 'event-kind (get (car this-event) 'event-kind))
+ (push (cons newup (cdr event)) unread-command-events)
+ ;; Modify the event in place, so read-key-sequence doesn't
+ ;; generate a second fake prefix key (see fake_prefixed_keys in
+ ;; src/keyboard.c).
+ (setcar this-event newdown)
+ (vector this-event))
+ (push event unread-command-events)
+ nil))))))
+
+(define-key key-translation-map [down-mouse-1]
+ #'mouse--down-1-maybe-follows-link)
+(define-key key-translation-map [double-down-mouse-1]
+ #'mouse--down-1-maybe-follows-link)
\f
;; Provide a mode-specific menu on a mouse button.
-(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'.
-The menu is shown at the place where POSITION specifies. About
-the form of POSITION, see `popup-menu-normalize-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-prop) :filter))))
- (if filter (funcall filter (symbol-function map)) map)))))
- event cmd
- (position (popup-menu-normalize-position position)))
- ;; 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)))
- (setq 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))
- (if (numberp binding) ; `too long'
- (setq binding nil))
- (setq map (cdr map)))
- binding)
- ;; We were given a single keymap.
- (lookup-key map (apply 'vector event))))
- ;; Clear out echoing, which perhaps shows a prefix arg.
- (message "")
- ;; Maybe try again but with the submap.
- (setq map (if (keymapp cmd) cmd)))
- ;; If the user did not cancel by refusing to select,
- ;; and if the result is a command, run it.
- (when (and (null map) (commandp cmd))
- (setq prefix-arg prefix)
- ;; `setup-specified-language-environment', for instance,
- ;; expects this to be set from a menu keymap.
- (setq last-command-event (car (last event)))
- ;; mouse-major-mode-menu was using `command-execute' instead.
- (call-interactively cmd))))
-
-(defun popup-menu-normalize-position (position)
- "Convert the POSITION to the form which `popup-menu' expects internally.
-POSITION can an event, a posn- value, a value having
-form ((XOFFSET YOFFSET) WINDOW), or nil.
-If nil, the current mouse position is used."
- (pcase position
- ;; nil -> mouse cursor position
- (`nil
- (let ((mp (mouse-pixel-position)))
- (list (list (cadr mp) (cddr mp)) (car mp))))
- ;; Value returned from `event-end' or `posn-at-point'.
- ((pred posnp)
- (let ((xy (posn-x-y position)))
- (list (list (car xy) (cdr xy))
- (posn-window position))))
- ;; Event.
- ((pred eventp)
- (popup-menu-normalize-position (event-end position)))
- (t position)))
-
(defun minor-mode-menu-from-indicator (indicator)
"Show menu for minor mode specified by INDICATOR.
Interactively, INDICATOR is read using completion.
(frame-parameters frame)))
'right)))
(draggable t)
- event position growth dragged)
+ height finished event position growth dragged)
(cond
((eq line 'header)
;; Check whether header-line can be dragged at all.
(if (window-at-side-p window 'top)
(setq draggable nil)
+ (setq height (/ (window-header-line-height window) 2))
(setq window (window-in-direction 'above window t))))
((eq line 'mode)
;; Check whether mode-line can be dragged at all.
- (and (window-at-side-p window 'bottom)
- ;; Allow resizing the minibuffer window if it's on the same
- ;; frame as and immediately below the clicked window, and
- ;; it's active or `resize-mini-windows' is nil.
- (not (and (eq (window-frame minibuffer-window) frame)
- (= (nth 1 (window-edges minibuffer-window))
- (nth 3 (window-edges window)))
- (or (not resize-mini-windows)
- (eq minibuffer-window
- (active-minibuffer-window)))))
- (setq draggable nil)))
+ (if (and (window-at-side-p window 'bottom)
+ ;; Allow resizing the minibuffer window if it's on the same
+ ;; frame as and immediately below the clicked window, and
+ ;; it's active or `resize-mini-windows' is nil.
+ (not (and (eq (window-frame minibuffer-window) frame)
+ (= (nth 1 (window-pixel-edges minibuffer-window))
+ (nth 3 (window-pixel-edges window)))
+ (or (not resize-mini-windows)
+ (eq minibuffer-window
+ (active-minibuffer-window))))))
+ (setq draggable nil)
+ (setq height (/ (window-mode-line-height window) 2))))
((eq line 'vertical)
- ;; Get the window to adjust for the vertical case. If the
- ;; scroll bar is on the window's right or there's no scroll bar
- ;; at all, adjust the window where the start-event occurred. If
- ;; the scroll bar is on the start-event window's left, adjust
- ;; the window on the left of it.
- (unless (eq side 'right)
+ ;; Get the window to adjust for the vertical case. If the scroll
+ ;; bar is on the window's right or we drag a vertical divider,
+ ;; adjust the window where the start-event occurred. If the
+ ;; scroll bar is on the start-event window's left or there are no
+ ;; scrollbars, adjust the window on the left of it.
+ (unless (or (eq side 'right)
+ (not (zerop (window-right-divider-width window))))
(setq window (window-in-direction 'left window t)))))
;; Start tracking.
(track-mouse
;; Loop reading events and sampling the position of the mouse.
- (while draggable
+ (while (not finished)
(setq event (read-event))
- (setq position (mouse-position))
+ (setq position (mouse-pixel-position))
;; Do nothing if
;; - there is a switch-frame event.
;; - the mouse isn't in the frame that we started in
;; - there is a keyboard event or some other unknown event.
(cond
((not (consp event))
- (setq draggable nil))
+ (setq finished t))
((memq (car event) '(switch-frame select-window))
nil)
((not (memq (car event) '(mouse-movement scroll-bar-movement)))
;; Do not unread a drag-mouse-1 event to avoid selecting
;; some other window. For vertical line dragging do not
;; unread mouse-1 events either (but only if we dragged at
- ;; least once to allow mouse-1 clicks get through.
+ ;; least once to allow mouse-1 clicks get through).
(unless (and dragged
(if (eq line 'vertical)
(memq (car event) '(drag-mouse-1 mouse-1))
(eq (car event) 'drag-mouse-1)))
(push event unread-command-events)))
- (setq draggable nil))
- ((or (not (eq (car position) frame))
- (null (car (cdr position))))
+ (setq finished t))
+ ((not (and (eq (car position) frame)
+ (cadr position)))
nil)
((eq line 'vertical)
- ;; Drag vertical divider.
+ ;; Drag vertical divider. This must be probably fixed like
+ ;; for the mode-line.
(setq growth (- (cadr position)
(if (eq side 'right) 0 2)
- (nth 2 (window-edges window))
+ (nth 2 (window-pixel-edges window))
-1))
(unless (zerop growth)
- (setq dragged t))
- (adjust-window-trailing-edge window growth t))
+ (setq dragged t)
+ (adjust-window-trailing-edge window growth t t)))
(draggable
;; Drag horizontal divider.
(setq growth
(if (eq line 'mode)
- (- (cddr position) (nth 3 (window-edges window)) -1)
+ (- (+ (cddr position) height)
+ (nth 3 (window-pixel-edges window)))
;; The window's top includes the header line!
- (- (nth 3 (window-edges window)) (cddr position))))
+ (- (+ (nth 3 (window-pixel-edges window)) height)
+ (cddr position))))
(unless (zerop growth)
- (setq dragged t))
- (adjust-window-trailing-edge window (if (eq line 'mode)
- growth
- (- growth)))))))
+ (setq dragged t)
+ (adjust-window-trailing-edge
+ window (if (eq line 'mode) growth (- growth)) nil t))))))
;; Process the terminating event.
(when (and (mouse-event-p event) on-link (not dragged)
(mouse--remap-link-click-p start-event event))
;; If mouse-2 has never been done by the user, it doesn't have
;; the necessary property to be interpreted correctly.
(put 'mouse-2 'event-kind 'mouse-click)
- (setcar event 'mouse-2))
- (push event unread-command-events)))
+ (setcar event 'mouse-2)
+ (push event unread-command-events))))
(defun mouse-drag-mode-line (start-event)
"Change the height of a window by dragging on the mode line."
mouse-1-click-in-non-selected-windows
(eq (selected-window) (posn-window pos)))
(or (mouse-posn-property pos 'follow-link)
+ (let ((area (posn-area pos)))
+ (when area
+ (key-binding (vector area 'follow-link) nil t pos)))
(key-binding [follow-link] nil t pos)))))
(cond
((eq action 'mouse-face)
(setq mouse-selection-click-count-buffer (current-buffer))
(deactivate-mark)
(let* ((scroll-margin 0) ; Avoid margin scrolling (Bug#9541).
- (original-window (selected-window))
;; We've recorded what we needed from the current buffer and
;; window, now let's jump to the place of the event, where things
;; are happening.
(nth 3 bounds)
;; Don't count the mode line.
(1- (nth 3 bounds))))
- (on-link (and mouse-1-click-follows-link
- ;; Use start-point before the intangibility
- ;; treatment, in case we click on a link inside
- ;; intangible text.
- (mouse-on-link-p start-posn)))
(click-count (1- (event-click-count start-event)))
- (remap-double-click (and on-link
- (eq mouse-1-click-follows-link 'double)
- (= click-count 1)))
;; Suppress automatic hscrolling, because that is a nuisance
;; when setting point near the right fringe (but see below).
(auto-hscroll-mode-saved auto-hscroll-mode)
(if (< (point) start-point)
(goto-char start-point))
(setq start-point (point))
- (if remap-double-click
- (setq click-count 0))
;; Activate the region, using `mouse-start-end' to determine where
;; to put point and mark (e.g., double-click will select a word).
;; Find its binding.
(let* ((fun (key-binding (vector (car event))))
+ ;; FIXME This doesn't make sense, because
+ ;; event-click-count always returns something >= 1.
(do-multi-click (and (> (event-click-count event) 0)
(functionp fun)
(not (memq fun '(mouse-set-point
(copy-region-as-kill (mark) (point)))))
;; Otherwise, run binding of terminating up-event.
+ (deactivate-mark)
(if do-multi-click
(goto-char start-point)
- (deactivate-mark)
(unless moved-off-start
(pop-mark)))
(or end-point
(= (window-start start-window)
start-window-start)))
- (when (and on-link
- (= start-point (point))
- (mouse--remap-link-click-p start-event event))
- ;; If we rebind to mouse-2, reselect previous selected
- ;; window, so that the mouse-2 event runs in the same
- ;; situation as if user had clicked it directly. Fixes
- ;; the bug reported by juri@jurta.org on 2005-12-27.
- (if (or (vectorp on-link) (stringp on-link))
- (setq event (aref on-link 0))
- (select-window original-window)
- (setcar event 'mouse-2)
- ;; If this mouse click has never been done by the
- ;; user, it doesn't have the necessary property to be
- ;; interpreted correctly.
- (put 'mouse-2 'event-kind 'mouse-click)))
(push event unread-command-events)))))))
(defun mouse--drag-set-mark-and-point (start click click-count)
(set-mark beg)
(goto-char end)))))
-(defun mouse--remap-link-click-p (start-event end-event)
- (or (and (eq mouse-1-click-follows-link 'double)
- (= (event-click-count start-event) 2))
- (and
- (not (eq mouse-1-click-follows-link 'double))
- (= (event-click-count start-event) 1)
- (= (event-click-count end-event) 1)
- (or (not (integerp mouse-1-click-follows-link))
- (let ((t0 (posn-timestamp (event-start start-event)))
- (t1 (posn-timestamp (event-end end-event))))
- (and (integerp t0) (integerp t1)
- (if (> mouse-1-click-follows-link 0)
- (<= (- t1 t0) mouse-1-click-follows-link)
- (< (- t0 t1) mouse-1-click-follows-link))))))))
-
-\f
;; Commands to handle xterm-style multiple clicks.
(defun mouse-skip-word (dir)
"Skip over word, over whitespace, or over identical punctuation.
(deactivate-mark)))
(or mouse-yank-at-point (mouse-set-point click))
(let ((primary
- (cond
- ((eq system-type 'windows-nt)
- ;; MS-Windows emulates PRIMARY in x-get-selection, but not
- ;; in x-get-selection-value (the latter only accesses the
- ;; clipboard). So try PRIMARY first, in case they selected
- ;; something with the mouse in the current Emacs session.
- (or (x-get-selection 'PRIMARY)
- (x-get-selection-value)))
- ((fboundp 'x-get-selection-value) ; MS-DOS and X.
- ;; On X, x-get-selection-value supports more formats and
- ;; encodings, so use it in preference to x-get-selection.
- (or (x-get-selection-value)
- (x-get-selection 'PRIMARY)))
- ;; FIXME: What about xterm-mouse-mode etc.?
- (t
- (x-get-selection 'PRIMARY)))))
+ (if (fboundp 'x-get-selection-value)
+ (if (eq (framep (selected-frame)) 'w32)
+ ;; MS-Windows emulates PRIMARY in x-get-selection, but not
+ ;; in x-get-selection-value (the latter only accesses the
+ ;; clipboard). So try PRIMARY first, in case they selected
+ ;; something with the mouse in the current Emacs session.
+ (or (x-get-selection 'PRIMARY)
+ (x-get-selection-value))
+ ;; Else MS-DOS or X.
+ ;; On X, x-get-selection-value supports more formats and
+ ;; encodings, so use it in preference to x-get-selection.
+ (or (x-get-selection-value)
+ (x-get-selection 'PRIMARY)))
+ ;; FIXME: What about xterm-mouse-mode etc.?
+ (x-get-selection 'PRIMARY))))
(unless primary
(error "No selection is available"))
(push-mark (point))
(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 [right-divider down-mouse-1] 'mouse-drag-vertical-line)
+(global-set-key [bottom-divider down-mouse-1] 'mouse-drag-mode-line)
(global-set-key [vertical-line mouse-1] 'mouse-select-window)
(provide 'mouse)
HCoop / bpt / emacs.git / blobdiff