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(mouse-avoidance-ignore-p): New fun.

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Also ignore switch-frame, select-window, double, and triple clicks.
(mouse-avoidance-banish-hook, mouse-avoidance-exile-hook)
(mouse-avoidance-fancy-hook): Use it.
This commit is contained in:
Stefan Monnier 2004-08-20 21:59:42 +00:00
parent d64b707cb1
commit 88b4ca188b
1 changed files with 40 additions and 42 deletions
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82
lisp/avoid.el
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@ -1,6 +1,6 @@
;;; avoid.el --- make mouse pointer stay out of the way of editing
;;; Copyright (C) 1993, 1994, 2000 Free Software Foundation, Inc.
;; Copyright (C) 1993, 1994, 2000, 2004 Free Software Foundation, Inc.
;; Author: Boris Goldowsky <boris@gnu.org>
;; Keywords: mouse
@ -52,7 +52,7 @@
;;
;; Bugs / Warnings / To-Do:
;;
;; - Using this code does slow emacs down. "banish" mode shouldn't
;; - Using this code does slow Emacs down. "banish" mode shouldn't
;; be too bad, and on my workstation even "animate" is reasonable.
;;
;; - It ought to find out where any overlapping frames are and avoid them,
@ -96,7 +96,7 @@ use either \\[customize] or the function `mouse-avoidance-mode'."
(defcustom mouse-avoidance-nudge-dist 15
"*Average distance that mouse will be moved when approached by cursor.
Only applies in mouse-avoidance-mode `jump' and its derivatives.
Only applies in Mouse-Avoidance mode `jump' and its derivatives.
For best results make this larger than `mouse-avoidance-threshold'."
:type 'integer
:group 'avoid)
@ -137,7 +137,7 @@ Only applies in mouse-avoidance-modes `animate' and `jump'."
(defun mouse-avoidance-point-position ()
"Return the position of point as (FRAME X . Y).
Analogous to mouse-position."
Analogous to `mouse-position'."
(let* ((w (selected-window))
(edges (window-inside-edges w))
(list
@ -194,10 +194,11 @@ Acceptable distance is defined by `mouse-avoidance-threshold'."
mouse-avoidance-threshold))))))
(defun mouse-avoidance-banish-destination ()
"The position to which mouse-avoidance-mode `banish' moves the mouse.
"The position to which Mouse-Avoidance mode `banish' moves the mouse.
You can redefine this if you want the mouse banished to a different corner."
(cons (1- (frame-width))
0))
(let* ((pos (window-edges)))
(cons (- (nth 2 pos) 2)
(nth 1 pos))))
(defun mouse-avoidance-banish-mouse ()
;; Put the mouse pointer in the upper-right corner of the current frame.
@ -225,22 +226,27 @@ You can redefine this if you want the mouse banished to a different corner."
(t 0))))
(defun mouse-avoidance-nudge-mouse ()
;; Push the mouse a little way away, possibly animating the move
;; Push the mouse a little way away, possibly animating the move.
;; For these modes, state keeps track of the total offset that we've
;; accumulated, and tries to keep it close to zero.
(let* ((cur (mouse-position))
(cur-frame (car cur))
(cur-pos (cdr cur))
(pos (window-edges))
(wleft (pop pos))
(wtop (pop pos))
(wright (pop pos))
(wbot (pop pos))
(deltax (mouse-avoidance-delta
(car cur-pos) (- (random mouse-avoidance-nudge-var)
(car mouse-avoidance-state))
mouse-avoidance-nudge-dist mouse-avoidance-nudge-var
0 (frame-width)))
wleft (1- wright)))
(deltay (mouse-avoidance-delta
(cdr cur-pos) (- (random mouse-avoidance-nudge-var)
(cdr mouse-avoidance-state))
mouse-avoidance-nudge-dist mouse-avoidance-nudge-var
0 (frame-height))))
wtop (1- wbot))))
(setq mouse-avoidance-state
(cons (+ (car mouse-avoidance-state) deltax)
(+ (cdr mouse-avoidance-state) deltay)))
@ -277,33 +283,34 @@ redefine this function to suit your own tastes."
(nth (random mouse-avoidance-n-pointer-shapes)
mouse-avoidance-pointer-shapes))
(defun mouse-avoidance-ignore-p ()
(let ((mp (mouse-position)))
(or executing-kbd-macro ; don't check inside macro
(null (cadr mp)) ; don't move unless in an Emacs frame
(not (eq (car mp) (selected-frame)))
;; Don't do anything if last event was a mouse event.
;; FIXME: this code fails in the case where the mouse was moved
;; since the last key-press but without generating any event.
(and (consp last-input-event)
(symbolp (car last-input-event))
(let ((modifiers (event-modifiers (car last-input-event))))
(or (memq (car last-input-event)
'(mouse-movement scroll-bar-movement
select-window switch-frame))
(memq 'click modifiers)
(memq 'double modifiers)
(memq 'triple modifiers)
(memq 'drag modifiers)
(memq 'down modifiers)))))))
(defun mouse-avoidance-banish-hook ()
(if (and (not executing-kbd-macro) ; don't check inside macro
(cadr (mouse-position)) ; don't move unless in an Emacs frame
;; Don't do anything if last event was a mouse event.
(not (and (consp last-input-event)
(symbolp (car last-input-event))
(let ((modifiers (event-modifiers (car last-input-event))))
(or (memq (car last-input-event)
'(mouse-movement scroll-bar-movement))
(memq 'click modifiers)
(memq 'drag modifiers)
(memq 'down modifiers))))))
(if (not (mouse-avoidance-ignore-p))
(mouse-avoidance-banish-mouse)))
(defun mouse-avoidance-exile-hook ()
;; For exile mode, the state is nil when the mouse is in its normal
;; position, and set to the old mouse-position when the mouse is in exile.
(if (and (not executing-kbd-macro)
;; Don't do anything if last event was a mouse event.
(not (and (consp last-input-event)
(symbolp (car last-input-event))
(let ((modifiers (event-modifiers (car last-input-event))))
(or (memq (car last-input-event)
'(mouse-movement scroll-bar-movement))
(memq 'click modifiers)
(memq 'drag modifiers)
(memq 'down modifiers))))))
(if (not (mouse-avoidance-ignore-p))
(let ((mp (mouse-position)))
(cond ((and (not mouse-avoidance-state)
(mouse-avoidance-too-close-p mp))
@ -321,16 +328,7 @@ redefine this function to suit your own tastes."
(defun mouse-avoidance-fancy-hook ()
;; Used for the "fancy" modes, ie jump et al.
(if (and (not executing-kbd-macro) ; don't check inside macro
;; Don't do anything if last event was a mouse event.
(not (and (consp last-input-event)
(symbolp (car last-input-event))
(let ((modifiers (event-modifiers (car last-input-event))))
(or (memq (car last-input-event)
'(mouse-movement scroll-bar-movement))
(memq 'click modifiers)
(memq 'drag modifiers)
(memq 'down modifiers)))))
(if (and (not (mouse-avoidance-ignore-p))
(mouse-avoidance-too-close-p (mouse-position)))
(let ((old-pos (mouse-position)))
(mouse-avoidance-nudge-mouse)
@ -416,5 +414,5 @@ definition of \"random distance\".)"
(if mouse-avoidance-mode
(mouse-avoidance-mode mouse-avoidance-mode))
;;; arch-tag: 64ad4ef8-a870-4183-8d96-3aa93b7a6800
;; arch-tag: 64ad4ef8-a870-4183-8d96-3aa93b7a6800
;;; avoid.el ends here