diff lisp/gui.el @ 209:41ff10fd062f r20-4b3

Import from CVS: tag r20-4b3
author cvs
date Mon, 13 Aug 2007 10:04:58 +0200
parents
children 78478c60bfcd
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lisp/gui.el	Mon Aug 13 10:04:58 2007 +0200
@@ -0,0 +1,121 @@
+;;; gui.el --- Basic GUI functions for XEmacs.
+
+;; Copyright (C) 1997 Free Software Foundation, Inc.
+;; Copyright (C) 1996 Ben Wing
+
+;; Maintainer: XEmacs Development Team
+;; Keywords: internal, dumped
+ 
+;; 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:
+
+;; This file is dumped with XEmacs (when window system support is compiled in).
+
+;;; Code:
+
+(defcustom dialog-frame-plist '(width 60 height 20)
+  "Plist of frame properties for initially creating a dialog frame.
+Properties specified here supersede the values given in
+`default-frame-plist'."
+  :type '(repeat (group :inline t
+			(symbol :tag "Property")
+			(sexp :tag "Value")))
+  :group 'frames)
+
+(defun make-dialog-frame (&optional props parent)
+  "Create a frame suitable for use as a dialog box.
+The frame is made a child of PARENT (defaults to the selected frame),
+and has additional properties PROPS, as well as `dialog-frame-plist'.
+Normally it also has no modelines, menubars, or toolbars."
+  (or parent (setq parent (selected-frame)))
+  (let* ((ftop (frame-property parent 'top))
+	 (fleft (frame-property parent 'left))
+	 (fwidth (frame-pixel-width parent))
+	 (fheight (frame-pixel-height parent))
+	 (fonth (font-height (face-font 'default)))
+	 (fontw (font-width (face-font 'default)))
+	 (props (append props dialog-frame-plist))
+	 (dfheight (plist-get props 'height))
+	 (dfwidth (plist-get props 'width))
+	 ;; under FVWM at least, if I don't specify the initial position,
+	 ;; it ends up always at (0, 0).  xwininfo doesn't tell me
+	 ;; that there are any program-specified position hints, so
+	 ;; it must be an FVWM bug.  So just be smashing and position
+	 ;; in the center of the selected frame.
+	 (frame (make-frame
+		 (append props
+			 `(popup ,parent initially-unmapped t
+				 menubar-visible-p nil
+				 has-modeline-p nil
+				 default-toolbar-visible-p nil
+				 modeline-shadow-thickness 0
+				 left ,(+ fleft (- (/ fwidth 2)
+						   (/ (* dfwidth fontw)
+						      2)))
+				 top ,(+ ftop (- (/ fheight 2)
+						 (/ (* dfheight fonth)
+						    2))))))))
+    (set-face-foreground 'modeline [default foreground] frame)
+    (set-face-background 'modeline [default background] frame)
+    (make-frame-visible frame)
+    frame))
+
+(defvar gui-button-shadow-thickness 2)
+
+(defun gui-button-p (object)
+  "True if OBJECT is a GUI button."
+  (and (vectorp object)
+       (> (length object) 0)
+       (eq 'gui-button (aref object 0))))
+
+(make-face 'gui-button-face "Face used for gui buttons")
+(if (not (face-differs-from-default-p 'gui-button-face))
+    (progn
+      (set-face-background 'gui-button-face "grey75")
+      (set-face-foreground 'gui-button-face "black")))
+
+(defun make-gui-button (string &optional action user-data)
+  "Make a GUI button whose label is STRING and whose action is ACTION.
+If the button is inserted in a buffer and then clicked on, and ACTION
+is non-nil, ACTION will be called with one argument, USER-DATA."
+  (vector 'gui-button
+	  (if (featurep 'xpm)
+	      (xpm-button-create
+	       string gui-button-shadow-thickness
+	       (color-instance-name (face-foreground-instance 'gui-button-face))
+	       (color-instance-name (face-background-instance 'gui-button-face)))
+	    (xbm-button-create string gui-button-shadow-thickness))
+	  action user-data))
+
+(defun insert-gui-button (button &optional pos buffer)
+  "Insert GUI button BUTTON at POS in BUFFER."
+  (check-argument-type 'gui-button-p button)
+  (let ((annotation
+	 (make-annotation (make-glyph (car (aref button 1)))
+			  pos 'text buffer nil
+			  (make-glyph (cadr (aref button 1)))))
+	(action (aref button 2)))
+    (and action
+	 (progn
+	   (set-annotation-action annotation action)
+	   (set-annotation-data annotation (aref button 3))))))
+
+;;; gui.el ends here