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- ;;; toolbar.el --- Toolbar support for XEmacs
-
- ;; Copyright (C) 1995, 1997 Free Software Foundation, Inc.
-
- ;; Maintainer: XEmacs Development Team
- ;; Keywords: extensions, internal
-
- ;; This file is part of XEmacs.
-
- ;; XEmacs is free software; you can redistribute it and/or modify it
- ;; under the terms of the GNU General Public License as published by
- ;; the Free Software Foundation; either version 2, or (at your option)
- ;; any later version.
-
- ;; XEmacs is distributed in the hope that it will be useful, but
- ;; WITHOUT ANY WARRANTY; without even the implied warranty of
- ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- ;; General Public License for more details.
-
- ;; You should have received a copy of the GNU General Public License
- ;; along with XEmacs; see the file COPYING. If not, write to the
- ;; Free Software Foundation, 59 Temple Place - Suite 330,
- ;; Boston, MA 02111-1307, USA.
-
- ;;; Synched up with: Not in FSF.
-
- ;;; Commentary:
-
- ;;; Code:
-
- (defvar toolbar-help-enabled t
- "If non-nil help is echoed for toolbar buttons.")
-
- (defvar toolbar-icon-directory nil
- "Location of standard toolbar icon bitmaps.")
-
- (defun toolbar-make-button-list (up &optional down disabled cap-up cap-down cap-disabled)
- "Calls make-glyph on each arg and returns a list of the results."
- (if (featurep 'x)
- (let ((up-glyph (make-glyph up))
- (down-glyph (and down (make-glyph down)))
- (disabled-glyph (and disabled (make-glyph disabled)))
- (cap-up-glyph (and cap-up (make-glyph cap-up)))
- (cap-down-glyph (and cap-down (make-glyph cap-down)))
- (cap-disabled-glyph (and cap-disabled (make-glyph cap-disabled))))
- (if cap-disabled
- (list up-glyph down-glyph disabled-glyph
- cap-up-glyph cap-down-glyph cap-disabled-glyph)
- (if cap-down
- (list up-glyph down-glyph disabled-glyph
- cap-up-glyph cap-down-glyph)
- (if cap-up
- (list up-glyph down-glyph disabled-glyph cap-up-glyph)
- (if disabled-glyph
- (list up-glyph down-glyph disabled-glyph)
- (if down-glyph
- (list up-glyph down-glyph)
- (list up-glyph)))))))
- nil))
-
- (defun init-toolbar-location ()
- (if (not toolbar-icon-directory)
- (setq toolbar-icon-directory
- (file-name-as-directory
- (expand-file-name "toolbar" data-directory)))))
-
- (defun init-toolbar-from-resources (locale)
- (if (and (featurep 'x)
- (or (eq locale 'global)
- (eq 'x (device-or-frame-type locale))))
- (x-init-toolbar-from-resources locale)))
-
-
- ;; #### Is this actually needed or will the code in
- ;; default-mouse-motion-handler suffice?
- (define-key global-map 'button1up 'release-toolbar-button)
-
- (defvar toolbar-map (let ((m (make-sparse-keymap)))
- (set-keymap-name m 'toolbar-map)
- m)
- "Keymap consulted for mouse-clicks over a toolbar.")
-
- (define-key toolbar-map 'button1 'press-toolbar-button)
- (define-key toolbar-map 'button1up 'release-and-activate-toolbar-button)
- (defvar last-pressed-toolbar-button nil)
- (defvar toolbar-active nil)
-
- ;;
- ;; It really sucks that we also have to tie onto
- ;; default-mouse-motion-handler to make sliding buttons work right.
- ;;
- (defun press-toolbar-button (event)
- "Press a toolbar button. This only changes its appearance.
- Call function stored in `toolbar-blank-press-function,' if any, with EVENT as
- an argument if press is over a blank area of the toolbar."
- (interactive "_e")
- (setq this-command last-command)
- (let ((button (event-toolbar-button event)))
- ;; We silently ignore non-buttons. This most likely means we are
- ;; over a blank part of the toolbar.
- (setq toolbar-active t)
- (if (toolbar-button-p button)
- (progn
- (set-toolbar-button-down-flag button t)
- (setq last-pressed-toolbar-button button))
- ;; Added by Bob Weiner, Motorola Inc., 10/6/95, to handle
- ;; presses on blank portions of toolbars.
- (and (boundp 'toolbar-blank-press-function)
- (functionp toolbar-blank-press-function)
- (funcall toolbar-blank-press-function event)))))
-
- (defun release-and-activate-toolbar-button (event)
- "Release a toolbar button and activate its callback.
- Call function stored in `toolbar-blank-release-function,' if any, with EVENT
- as an argument if release is over a blank area of the toolbar."
- (interactive "_e")
- (or (button-release-event-p event)
- (error "%s must be invoked by a mouse-release" this-command))
- (release-toolbar-button event)
- (let ((button (event-toolbar-button event)))
- (if (and (toolbar-button-p button)
- (toolbar-button-enabled-p button)
- (toolbar-button-callback button))
- (let ((callback (toolbar-button-callback button)))
- (setq this-command callback)
- ;; Handle arbitrary functions.
- (if (functionp callback)
- (if (commandp callback)
- (call-interactively callback)
- (funcall callback))
- (eval callback))))))
-
- ;; If current is not t, then only release the toolbar button stored in
- ;; last-pressed-toolbar-button
- (defun release-toolbar-button-internal (event current)
- (let ((button (event-toolbar-button event)))
- (setq zmacs-region-stays t)
- (if (and last-pressed-toolbar-button
- (not (eq last-pressed-toolbar-button button))
- (toolbar-button-p last-pressed-toolbar-button))
- (progn
- (set-toolbar-button-down-flag last-pressed-toolbar-button nil)
- (setq last-pressed-toolbar-button nil)))
- (if (and current (toolbar-button-p button))
- (set-toolbar-button-down-flag button nil))))
-
- (defun release-toolbar-button (event)
- "Release all pressed toolbar buttons."
- (interactive "_e")
- (or (button-release-event-p event)
- (error "%s must be invoked by a mouse-release" this-command))
- (release-toolbar-button-internal event t)
- ;; Don't set this-command if we're being called
- ;; from release-and-activate-toolbar-button.
- (if (interactive-p)
- (setq this-command last-command))
- (setq toolbar-active nil))
-
- (defun release-previous-toolbar-button (event)
- (setq zmacs-region-stays t)
- (release-toolbar-button-internal event nil))
-
- ;;; toolbar.el ends here
-