This commit was manufactured by cvs2svn to create branch 'chise-r21-4-18'.

[chise/xemacs-chise.git-] / lisp / gui.el

diff --git a/lisp/gui.el b/lisp/gui.el
new file mode 100644 (file)
index 0000000..4d2e3d9
--- /dev/null
+++ b/lisp/gui.el
@@ -0,0 +1,123 @@
+;;; 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 'plist
+  :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
+                                default-gutter-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 '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-reverse-p 'gui-button-face t)
+      (set-face-background 'gui-button-face '(((x color) . "grey75")
+                                             ((mswindows color) . "grey75")))
+      (set-face-foreground 'gui-button-face '(((x color) . "black")
+                                             ((mswindows color) . "black")))))
+
+
+(defun gui-button-action (instance action user-data)
+  (let ((domain (image-instance-domain instance)))
+    (with-current-buffer (if (windowp domain)
+                            (window-buffer domain) nil)
+      (funcall action user-data))))
+
+(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.
+When ACTION is called, the buffer containing the button is made current."
+  (vector 'button
+         :descriptor string
+         :face 'gui-button-face
+         :callback-ex `(lambda (image-instance event)
+                         (gui-button-action image-instance
+                                            (quote ,action)
+                                            (quote ,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)
+  (make-annotation (make-glyph button)
+                              pos 'text buffer nil))
+
+;;; gui.el ends here