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- ;;; gui.el --- Basic GUI functions for XEmacs.
-
- ;; Copyright (C) 1996 Ben Wing
-
- ;; Maintainer: XEmacs Development Team
- ;; Keywords: 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.
-
- (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-reverse-p 'gui-button-face t)
- (set-face-background 'gui-button-face "grey75" nil '(x color))
- (set-face-foreground 'gui-button-face "black" nil '(x color))))
-
- (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))))))
-