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comparison lisp/gui.el @ 428:3ecd8885ac67 r21-2-22

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Import from CVS: tag r21-2-22
author cvs
date Mon, 13 Aug 2007 11:28:15 +0200
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427:0a0253eac470 428:3ecd8885ac67
1 ;;; gui.el --- Basic GUI functions for XEmacs.
2
3 ;; Copyright (C) 1997 Free Software Foundation, Inc.
4 ;; Copyright (C) 1996 Ben Wing
5
6 ;; Maintainer: XEmacs Development Team
7 ;; Keywords: internal, dumped
8
9 ;; This file is part of XEmacs.
10
11 ;; XEmacs is free software; you can redistribute it and/or modify it
12 ;; under the terms of the GNU General Public License as published by
13 ;; the Free Software Foundation; either version 2, or (at your option)
14 ;; any later version.
15
16 ;; XEmacs is distributed in the hope that it will be useful, but
17 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
19 ;; General Public License for more details.
20
21 ;; You should have received a copy of the GNU General Public License
22 ;; along with XEmacs; see the file COPYING. If not, write to the
23 ;; Free Software Foundation, 59 Temple Place - Suite 330,
24 ;; Boston, MA 02111-1307, USA.
25
26 ;;; Synched up with: Not in FSF
27
28 ;;; Commentary:
29
30 ;; This file is dumped with XEmacs (when window system support is compiled in).
31
32 ;;; Code:
33
34 (defcustom dialog-frame-plist '(width 60 height 20)
35 "Plist of frame properties for initially creating a dialog frame.
36 Properties specified here supersede the values given in
37 `default-frame-plist'."
38 :type 'plist
39 :group 'frames)
40
41 (defun make-dialog-frame (&optional props parent)
42 "Create a frame suitable for use as a dialog box.
43 The frame is made a child of PARENT (defaults to the selected frame),
44 and has additional properties PROPS, as well as `dialog-frame-plist'.
45 Normally it also has no modelines, menubars, or toolbars."
46 (or parent (setq parent (selected-frame)))
47 (let* ((ftop (frame-property parent 'top))
48 (fleft (frame-property parent 'left))
49 (fwidth (frame-pixel-width parent))
50 (fheight (frame-pixel-height parent))
51 (fonth (font-height (face-font 'default)))
52 (fontw (font-width (face-font 'default)))
53 (props (append props dialog-frame-plist))
54 (dfheight (plist-get props 'height))
55 (dfwidth (plist-get props 'width))
56 ;; under FVWM at least, if I don't specify the initial position,
57 ;; it ends up always at (0, 0). xwininfo doesn't tell me
58 ;; that there are any program-specified position hints, so
59 ;; it must be an FVWM bug. So just be smashing and position
60 ;; in the center of the selected frame.
61 (frame (make-frame
62 (append props
63 `(popup ,parent initially-unmapped t
64 menubar-visible-p nil
65 has-modeline-p nil
66 default-toolbar-visible-p nil
67 default-gutter-visible-p nil
68 modeline-shadow-thickness 0
69 left ,(+ fleft (- (/ fwidth 2)
70 (/ (* dfwidth fontw)
71 2)))
72 top ,(+ ftop (- (/ fheight 2)
73 (/ (* dfheight fonth)
74 2))))))))
75 (set-face-foreground 'modeline [default foreground] frame)
76 (set-face-background 'modeline [default background] frame)
77 (make-frame-visible frame)
78 frame))
79
80 (defvar gui-button-shadow-thickness 2)
81
82 (defun gui-button-p (object)
83 "True if OBJECT is a GUI button."
84 (and (vectorp object)
85 (> (length object) 0)
86 (eq 'button (aref object 0))))
87
88 (make-face 'gui-button-face "Face used for gui buttons")
89 (if (not (face-differs-from-default-p 'gui-button-face))
90 (progn
91 (set-face-reverse-p 'gui-button-face t)
92 (set-face-background 'gui-button-face '(((x color) . "grey75")
93 ((mswindows color) . "grey75")))
94 (set-face-foreground 'gui-button-face '(((x color) . "black")
95 ((mswindows color) . "black")))))
96
97 (defun make-gui-button (string &optional action user-data)
98 "Make a GUI button whose label is STRING and whose action is ACTION.
99 If the button is inserted in a buffer and then clicked on, and ACTION
100 is non-nil, ACTION will be called with one argument, USER-DATA."
101 (vector 'button
102 :descriptor string
103 :face 'gui-button-face
104 :callback `(funcall (quote ,action) (quote ,user-data))))
105
106 (defun insert-gui-button (button &optional pos buffer)
107 "Insert GUI button BUTTON at POS in BUFFER."
108 (check-argument-type 'gui-button-p button)
109 (make-annotation (make-glyph button)
110 pos 'text buffer nil))
111
112 ;;; gui.el ends here