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* window.el (mouse-autoselect-window-timer)

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(mouse-autoselect-window-position)
	(mouse-autoselect-window-window)
	(mouse-autoselect-window-now): New vars.
	(mouse-autoselect-window-cancel)
	(mouse-autoselect-window-select)
	(mouse-autoselect-window-start): New functions.
	(handle-select-window): Call `mouse-autoselect-window-start' when
	delayed window autoselection is enabled.

	* cus-start.el (mouse-autoselect-window): Handle delayed window
	autoselection.

	* emacs-lisp/eldoc.el: Add `handle-select-window' to the set of
	commands after which it is allowed to print in the echo area.
This commit is contained in:
Chong Yidong 2006-09-08 14:15:02 +00:00
parent 92b2332318
commit 612c16f130
4 changed files with 147 additions and 12 deletions
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18
lisp/ChangeLog
View file

@ -1,3 +1,21 @@
2006-08-27 Martin Rudalics <rudalics@gmx.at>
* window.el (mouse-autoselect-window-timer)
(mouse-autoselect-window-position)
(mouse-autoselect-window-window)
(mouse-autoselect-window-now): New vars.
(mouse-autoselect-window-cancel)
(mouse-autoselect-window-select)
(mouse-autoselect-window-start): New functions.
(handle-select-window): Call `mouse-autoselect-window-start' when
delayed window autoselection is enabled.
* cus-start.el (mouse-autoselect-window): Handle delayed window
autoselection.
* emacs-lisp/eldoc.el: Add `handle-select-window' to the set of
commands after which it is allowed to print in the echo area.
2006-09-08 Richard Stallman <rms@gnu.org>
* textmodes/fill.el (adaptive-fill-regexp): Don't match `(1)' or `1.'

6
lisp/cus-start.el
View file

@ -361,6 +361,11 @@ since it could result in memory overflow and make Emacs crash."
(unibyte-display-via-language-environment mule boolean)
(blink-cursor-alist cursor alist "22.1")
(overline-margin display integer "22.1")
(mouse-autoselect-window
display (choice
(const :tag "Off (nil)" :value nil)
(const :tag "Immediate" :value t)
(number :tag "Delay by secs" :value 0.5)) "22.1")
;; xfaces.c
(scalable-fonts-allowed display boolean)
;; xfns.c
@ -370,7 +375,6 @@ since it could result in memory overflow and make Emacs crash."
(x-gtk-show-hidden-files menu boolean "22.1")
(x-gtk-whole-detached-tool-bar x boolean "22.1")
;; xterm.c
(mouse-autoselect-window display boolean "22.1")
(x-use-underline-position-properties display boolean "22.1")
(x-underline-at-descent-line display boolean "22.1")
(x-stretch-cursor display boolean "21.1")))

2
lisp/emacs-lisp/eldoc.el
View file

@ -432,7 +432,7 @@ Emacs Lisp mode) that support Eldoc.")
;; Prime the command list.
(eldoc-add-command-completions
"backward-" "beginning-of-" "move-beginning-of-" "delete-other-windows"
"delete-window"
"delete-window" "handle-select-window"
"end-of-" "move-end-of-" "exchange-point-and-mark" "forward-"
"indent-for-tab-command" "goto-" "mark-page" "mark-paragraph"
"mouse-set-point" "move-" "pop-global-mark" "next-" "other-window"

133
lisp/window.el
View file

@ -777,21 +777,134 @@ and the buffer that is killed or buried is the one in that window."
;; Maybe get rid of the window.
(and window (not window-handled) (not window-solitary)
(delete-window window))))
(defvar mouse-autoselect-window-timer nil
"Timer used by delayed window autoselection.")
(defvar mouse-autoselect-window-position nil
"Last mouse position recorded by delayed window autoselection.")
(defvar mouse-autoselect-window-window nil
"Last window recorded by delayed window autoselection.")
(defvar mouse-autoselect-window-now nil
"When non-nil don't delay autoselection in `handle-select-window'.")
(defun mouse-autoselect-window-cancel (&optional force)
"Cancel delayed window autoselection.
Optional argument FORCE means cancel unconditionally."
(unless (and (not force)
;; Don't cancel while the user drags a scroll bar.
(eq this-command 'scroll-bar-toolkit-scroll)
(memq (nth 4 (event-end last-input-event))
'(handle end-scroll)))
(setq mouse-autoselect-window-now nil)
(when (timerp mouse-autoselect-window-timer)
(cancel-timer mouse-autoselect-window-timer))
(remove-hook 'pre-command-hook 'mouse-autoselect-window-cancel)))
(defun mouse-autoselect-window-start (window)
"Start delayed window autoselection.
Called when Emacs detects that the mouse has moved to the non-selected
window WINDOW and the variable `mouse-autoselect-window' has a numeric,
non-zero value. The return value is non-nil iff delayed autoselection
started successfully. Delayed window autoselection is canceled when the
mouse position has stabilized or a command is executed."
;; Cancel any active window autoselection.
(mouse-autoselect-window-cancel t)
;; Record current mouse position in `mouse-autoselect-window-position' and
;; WINDOW in `mouse-autoselect-window-window'.
(setq mouse-autoselect-window-position (mouse-position))
(setq mouse-autoselect-window-window window)
;; Install timer which runs `mouse-autoselect-window-select' every
;; `mouse-autoselect-window' seconds.
(setq mouse-autoselect-window-timer
(run-at-time
(abs mouse-autoselect-window) (abs mouse-autoselect-window)
'mouse-autoselect-window-select))
;; Executing a command cancels window autoselection.
(add-hook 'pre-command-hook 'mouse-autoselect-window-cancel))
(defun mouse-autoselect-window-select ()
"Select window with delayed window autoselection.
If the mouse position has stabilized in a non-selected window, select
that window. The minibuffer window is selected iff the minibuffer is
active. This function is run by `mouse-autoselect-window-timer'."
(condition-case nil
(let* ((mouse-position (mouse-position))
(window (window-at (cadr mouse-position) (cddr mouse-position)
(car mouse-position))))
(cond
((and window (not (eq window (selected-window)))
(or (not (numberp mouse-autoselect-window))
(and (> mouse-autoselect-window 0)
;; If `mouse-autoselect-window' is positive, select
;; window if the window is the same as before.
(eq window mouse-autoselect-window-window))
;; Otherwise select window iff the mouse is at the same
;; position as before. Observe that the first test after
;; `mouse-autoselect-window-start' usually fails since the
;; value of `mouse-autoselect-window-position' recorded there
;; is the position where the mouse has entered the new window
;; and not necessarily where the mouse has stopped moving.
(equal mouse-position mouse-autoselect-window-position))
;; The minibuffer is a candidate window iff it's active.
(or (not (window-minibuffer-p window))
(eq window (active-minibuffer-window))))
;; Mouse position has stabilized in non-selected window: Cancel window
;; autoselection and try to select that window.
(mouse-autoselect-window-cancel t)
;; Select window where mouse appears unless the selected window is the
;; minibuffer. Use `unread-command-events' in order to execute pre-
;; and post-command hooks and trigger idle timers. To avoid delaying
;; autoselection again, temporarily set `mouse-autoselect-window-now'
;; to t.
(unless (window-minibuffer-p (selected-window))
(setq mouse-autoselect-window-now t)
(setq unread-command-events
(cons (list 'select-window (list window))
unread-command-events))))
((or (and window (eq window (selected-window)))
(not (numberp mouse-autoselect-window))
(equal mouse-position mouse-autoselect-window-position))
;; Mouse position has either stabilized in the selected window or at
;; `mouse-autoselect-window-position': Cancel window autoselection.
(mouse-autoselect-window-cancel t))
(t
;; Mouse position has not stabilized yet, record new mouse position in
;; `mouse-autoselect-window-position' and any window at that position
;; in `mouse-autoselect-window-window'.
(setq mouse-autoselect-window-position mouse-position)
(setq mouse-autoselect-window-window window))))
(error nil)))
(defun handle-select-window (event)
"Handle select-window events."
(interactive "e")
(let ((window (posn-window (event-start event))))
(if (and (window-live-p window)
;; Don't switch if we're currently in the minibuffer.
;; This tries to work around problems where the minibuffer gets
;; unselected unexpectedly, and where you then have to move
;; your mouse all the way down to the minibuffer to select it.
(not (window-minibuffer-p (selected-window)))
;; Don't switch to a minibuffer window unless it's active.
(or (not (window-minibuffer-p window))
(minibuffer-window-active-p window)))
(select-window window))))
(when (and (window-live-p window)
;; Don't switch if we're currently in the minibuffer.
;; This tries to work around problems where the minibuffer gets
;; unselected unexpectedly, and where you then have to move
;; your mouse all the way down to the minibuffer to select it.
(not (window-minibuffer-p (selected-window)))
;; Don't switch to a minibuffer window unless it's active.
(or (not (window-minibuffer-p window))
(minibuffer-window-active-p window)))
(unless (and (numberp mouse-autoselect-window)
(not (zerop mouse-autoselect-window))
(not mouse-autoselect-window-now)
;; When `mouse-autoselect-window' has a numeric, non-zero
;; value, delay window autoselection by that value.
;; `mouse-autoselect-window-start' returns non-nil iff it
;; successfully installed a timer for this purpose.
(mouse-autoselect-window-start window))
;; Re-enable delayed window autoselection.
(setq mouse-autoselect-window-now nil)
(when mouse-autoselect-window
;; Run `mouse-leave-buffer-hook' when autoselecting window.
(run-hooks 'mouse-leave-buffer-hook))
(select-window window)))))
(define-key ctl-x-map "2" 'split-window-vertically)
(define-key ctl-x-map "3" 'split-window-horizontally)