;; Copyright (C) 1988, 1992-4, 1997 Free Software Foundation, Inc.
;; Copyright (C) 1995 Tinker Systems
-;; Copyright (C) 1995, 1996 Ben Wing.
+;; Copyright (C) 1995, 1996, 2000 Ben Wing.
;; Maintainer: XEmacs Development Team
;; Keywords: mouse, dumped
;; This file is dumped with XEmacs (when window system support is compiled in).
+;;; Authorship:
+
+;; Probably originally derived from FSF 19 pre-release.
+;; much hacked upon by Jamie Zawinski and crew, pre-1994.
+;; (only mouse-motion stuff currently remains from that era)
+;; all mouse-track stuff completely rewritten by Ben Wing, 1995-1996.
+;; mouse-eval-sexp and *-inside-extent-p from Stig, 1995.
+;; vertical divider code c. 1998 from ?.
+
;;; Code:
(provide 'mouse)
(global-set-key '(control button1) 'mouse-track-insert)
(global-set-key '(control shift button1) 'mouse-track-delete-and-insert)
(global-set-key '(meta button1) 'mouse-track-do-rectangle)
-
-;; drops are now handled in dragdrop.el (ograf@fga.de)
-
-;; enable drag regions (ograf@fga.de)
-;; if button2 is dragged from within a region, this becomes a drop
-;;
-;; this must be changed to the new api
-(if (featurep '(or offix cde mswindows))
- (global-set-key 'button2 'mouse-drag-or-yank)
- (global-set-key 'button2 'mouse-yank))
+(global-set-key 'button2 'mouse-track)
(defgroup mouse nil
"Window system-independent mouse support."
(defun click-inside-extent-p (click extent)
"Return non-nil if the button event is within the primary selection-extent.
Return nil otherwise."
- ;; stig@hackvan.com
(let ((ewin (event-window click))
(epnt (event-point click)))
(and ewin
"Return t if point is within the bounds of the primary selection extent.
Return t is point is at the end position of the extent.
Return nil otherwise."
- ;; stig@hackvan.com
(and extent
(eq (current-buffer)
(extent-object extent))
(>= (extent-end-position extent) (point))))
(defun point-inside-selection-p ()
- ;; by Stig@hackvan.com
(or (point-inside-extent-p primary-selection-extent)
(point-inside-extent-p zmacs-region-extent)))
-(defun mouse-drag-or-yank (event)
- "Either drag or paste the current selection.
-If the variable `mouse-yank-at-point' is non-nil,
-move the cursor to the location of the click before pasting.
-This functions has to be improved. Currently it is just a (working) test."
- ;; by Oliver Graf <ograf@fga.de>
- (interactive "e")
- (if (click-inside-extent-p event zmacs-region-extent)
- ;; okay, this is a drag
- (cond ((featurep 'offix)
- (offix-start-drag-region
- event
- (extent-start-position zmacs-region-extent)
- (extent-end-position zmacs-region-extent)))
- ((featurep 'cde)
- ;; should also work with CDE
- (cde-start-drag-region event
- (extent-start-position zmacs-region-extent)
- (extent-end-position zmacs-region-extent)))
- (t (error "No offix or CDE support compiled in")))
- ;; no drag, call region-funct
- (and (not mouse-yank-at-point)
- (mouse-set-point event))
- (funcall mouse-yank-function))
- )
+(defun mouse-begin-drag-n-drop (event)
+ "Begin a drag-n-drop operation.
+EVENT should be the button event that initiated the drag.
+Returns whether a drag was begun."
+ ;; #### barely implemented.
+ (when (click-inside-selection-p event)
+ (cond ((featurep 'offix)
+ (offix-start-drag-region
+ event
+ (extent-start-position zmacs-region-extent)
+ (extent-end-position zmacs-region-extent))
+ t)
+ ((featurep 'cde)
+ ;; should also work with CDE
+ (cde-start-drag-region event
+ (extent-start-position zmacs-region-extent)
+ (extent-end-position zmacs-region-extent))
+ t))))
(defun mouse-eval-sexp (click force-window)
"Evaluate the sexp under the mouse. Usually, this is the last sexp before
you can use `mouse-eval-sexp' to interactively test code that acts upon a
buffer...something you cannot do with the standard `eval-last-sexp' function.
It's also fantastic for debugging regular expressions."
- ;; by Stig@hackvan.com
(interactive "e\nP")
(let (exp val result-str)
(setq exp (save-window-excursion
:type '(choice integer (const :tag "Disabled" nil))
:group 'mouse)
+(defcustom mouse-track-activate-strokes '(button1-double-click button2-click)
+ "List of mouse strokes that can cause \"activation\" of the text extent
+under the mouse. The exact meaning of \"activation\" is dependent on the
+text clicked on and the mode of the buffer, but typically entails actions
+such as following a hyperlink or selecting an entry in a completion buffer.
+
+Possible list entries are
+
+button1-click
+button1-double-click
+button1-triple-click
+button1-down
+button2-click
+button2-double-click
+button2-triple-click
+button2-down
+
+As a general rule, you should not use the \"-down\" values, because this
+makes it impossible to have other simultaneous actions, such as selection."
+ :type '(set
+ button1-click
+ button1-double-click
+ button1-triple-click
+ button1-down
+ button2-click
+ button2-double-click
+ button2-triple-click
+ button2-down)
+ :group 'mouse)
+
(defvar mouse-track-x-threshold '(face-width 'default)
"Minimum number of pixels in the X direction for a drag to be initiated.
If the mouse is moved more than either the X or Y threshold while the
'mouse-track-scroll-undefined
(copy-event event)))))
+(defun mouse-track-do-activate (event)
+ "Execute the activate function under EVENT, if any.
+Return true if the function was activated."
+ (let ((ex (extent-at-event event 'activate-function)))
+ (when ex
+ (funcall (extent-property ex 'activate-function)
+ event ex)
+ t)))
+
(defun mouse-track-run-hook (hook event &rest args)
;; ugh, can't use run-hook-with-args-until-success because we have
;; to get the value using symbol-value-in-buffer. Doing a
)
(defun mouse-track (event)
- "Make a selection with the mouse. This should be bound to a mouse button.
-The behavior of XEmacs during mouse selection is customizable using various
-hooks and variables: see `mouse-track-click-hook', `mouse-track-drag-hook',
+ "Generalized mouse-button handler. This should be bound to a mouse button.
+The behavior of this function is customizable using various hooks and
+variables: see `mouse-track-click-hook', `mouse-track-drag-hook',
`mouse-track-drag-up-hook', `mouse-track-down-hook', `mouse-track-up-hook',
`mouse-track-cleanup-hook', `mouse-track-multi-click-time',
`mouse-track-scroll-delay', `mouse-track-x-threshold', and
(disown-selection)))))
(setq default-mouse-track-down-event nil))))
+;; return t if the button or motion event involved the specified button.
+(defun default-mouse-track-event-is-with-button (event n)
+ (cond ((button-event-p event)
+ (= n (event-button event)))
+ ((motion-event-p event)
+ (memq (cdr
+ (assq n '((1 . button1) (2 . button2) (3 . button3)
+ (4 . button4) (5 . button5))))
+ (event-modifiers event)))))
+
(defun default-mouse-track-down-hook (event click-count)
- (setq default-mouse-track-down-event (copy-event event))
- nil)
+ (cond ((default-mouse-track-event-is-with-button event 1)
+ (if (and (memq 'button1-down mouse-track-activate-strokes)
+ (mouse-track-do-activate event))
+ t
+ (setq default-mouse-track-down-event (copy-event event))
+ nil))
+ ((default-mouse-track-event-is-with-button event 2)
+ (and (memq 'button2-down mouse-track-activate-strokes)
+ (mouse-track-do-activate event)))))
(defun default-mouse-track-cleanup-extents-hook ()
(remove-hook 'pre-command-hook 'default-mouse-track-cleanup-extents-hook)
(if (consp extent) ; rectangle-p
(mapcar func extent)
(if extent
- (funcall func extent))))))
+ (funcall func extent)))))
+ t)
(defun default-mouse-track-cleanup-extent ()
(let ((dead-func
(setq default-mouse-track-extent nil)))))
(defun default-mouse-track-drag-hook (event click-count was-timeout)
- (default-mouse-track-deal-with-down-event click-count)
- (default-mouse-track-set-point event default-mouse-track-window)
- (default-mouse-track-cleanup-extent)
- (default-mouse-track-next-move default-mouse-track-min-anchor
- default-mouse-track-max-anchor
- default-mouse-track-extent)
- t)
+ (cond ((default-mouse-track-event-is-with-button event 1)
+ (default-mouse-track-deal-with-down-event click-count)
+ (default-mouse-track-set-point event default-mouse-track-window)
+ (default-mouse-track-cleanup-extent)
+ (default-mouse-track-next-move default-mouse-track-min-anchor
+ default-mouse-track-max-anchor
+ default-mouse-track-extent)
+ t)
+ ((default-mouse-track-event-is-with-button event 2)
+ (mouse-begin-drag-n-drop event))))
(defun default-mouse-track-return-dragged-selection (event)
(default-mouse-track-cleanup-extent)
result))
(defun default-mouse-track-drag-up-hook (event click-count)
- (let ((result (default-mouse-track-return-dragged-selection event)))
- (if result
- (default-mouse-track-maybe-own-selection result 'PRIMARY)))
- t)
+ (when (default-mouse-track-event-is-with-button event 1)
+ (let ((result (default-mouse-track-return-dragged-selection event)))
+ (if result
+ (default-mouse-track-maybe-own-selection result 'PRIMARY)))
+ t))
(defun default-mouse-track-click-hook (event click-count)
- (default-mouse-track-drag-hook event click-count nil)
- (default-mouse-track-drag-up-hook event click-count)
- t)
+ (cond ((default-mouse-track-event-is-with-button event 1)
+ (if (and
+ (or (and (= click-count 1)
+ (memq 'button1-click
+ mouse-track-activate-strokes))
+ (and (= click-count 2)
+ (memq 'button1-double-click
+ mouse-track-activate-strokes))
+ (and (= click-count 3)
+ (memq 'button1-triple-click
+ mouse-track-activate-strokes)))
+ (mouse-track-do-activate event))
+ t
+ (default-mouse-track-drag-hook event click-count nil)
+ (default-mouse-track-drag-up-hook event click-count)
+ t))
+ ((default-mouse-track-event-is-with-button event 2)
+ (if (and
+ (or (and (= click-count 1)
+ (memq 'button2-click
+ mouse-track-activate-strokes))
+ (and (= click-count 2)
+ (memq 'button2-double-click
+ mouse-track-activate-strokes))
+ (and (= click-count 3)
+ (memq 'button2-triple-click
+ mouse-track-activate-strokes)))
+ (mouse-track-do-activate event))
+ t
+ (mouse-yank event)
+ t))))
+
(add-hook 'mouse-track-down-hook 'default-mouse-track-down-hook)
(add-hook 'mouse-track-drag-hook 'default-mouse-track-drag-hook)
;;
(defun drag-window-divider (event)
"Handle resizing windows by dragging window dividers.
-This is an intenal function, normally bound to button1 event in
+This is an internal function, normally bound to button1 event in
window-divider-map. You would not call it, but you may bind it to
other mouse buttons."
(interactive "e")
projects / chise / xemacs-chise.git.1 / blobdiff