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428
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1 ;;; gui.el --- Basic GUI functions for XEmacs.
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2
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3 ;; Copyright (C) 1997 Free Software Foundation, Inc.
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4 ;; Copyright (C) 1996 Ben Wing
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5
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6 ;; Maintainer: XEmacs Development Team
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7 ;; Keywords: internal, dumped
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8
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9 ;; This file is part of XEmacs.
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10
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11 ;; XEmacs is free software; you can redistribute it and/or modify it
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12 ;; under the terms of the GNU General Public License as published by
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13 ;; the Free Software Foundation; either version 2, or (at your option)
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14 ;; any later version.
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15
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16 ;; XEmacs is distributed in the hope that it will be useful, but
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17 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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18 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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19 ;; General Public License for more details.
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20
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21 ;; You should have received a copy of the GNU General Public License
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22 ;; along with XEmacs; see the file COPYING. If not, write to the
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23 ;; Free Software Foundation, 59 Temple Place - Suite 330,
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24 ;; Boston, MA 02111-1307, USA.
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25
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26 ;;; Synched up with: Not in FSF
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27
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28 ;;; Commentary:
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29
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30 ;; This file is dumped with XEmacs (when window system support is compiled in).
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31
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32 ;;; Code:
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33
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34 (defcustom dialog-frame-plist '(width 60 height 20)
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35 "Plist of frame properties for initially creating a dialog frame.
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36 Properties specified here supersede the values given in
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37 `default-frame-plist'."
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38 :type 'plist
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39 :group 'frames)
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40
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41 (defun make-dialog-frame (&optional props parent)
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42 "Create a frame suitable for use as a dialog box.
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43 The frame is made a child of PARENT (defaults to the selected frame),
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44 and has additional properties PROPS, as well as `dialog-frame-plist'.
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45 Normally it also has no modelines, menubars, or toolbars."
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46 (or parent (setq parent (selected-frame)))
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47 (let* ((ftop (frame-property parent 'top))
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48 (fleft (frame-property parent 'left))
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49 (fwidth (frame-pixel-width parent))
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50 (fheight (frame-pixel-height parent))
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51 (fonth (font-height (face-font 'default)))
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52 (fontw (font-width (face-font 'default)))
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53 (props (append props dialog-frame-plist))
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54 (dfheight (plist-get props 'height))
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55 (dfwidth (plist-get props 'width))
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56 ;; under FVWM at least, if I don't specify the initial position,
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57 ;; it ends up always at (0, 0). xwininfo doesn't tell me
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58 ;; that there are any program-specified position hints, so
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59 ;; it must be an FVWM bug. So just be smashing and position
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60 ;; in the center of the selected frame.
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61 (frame (make-frame
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62 (append props
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63 `(popup ,parent initially-unmapped t
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64 menubar-visible-p nil
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65 has-modeline-p nil
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66 default-toolbar-visible-p nil
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67 default-gutter-visible-p nil
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68 modeline-shadow-thickness 0
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69 left ,(+ fleft (- (/ fwidth 2)
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70 (/ (* dfwidth fontw)
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71 2)))
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72 top ,(+ ftop (- (/ fheight 2)
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73 (/ (* dfheight fonth)
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74 2))))))))
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75 (set-face-foreground 'modeline [default foreground] frame)
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76 (set-face-background 'modeline [default background] frame)
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77 (make-frame-visible frame)
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78 frame))
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79
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80 (defvar gui-button-shadow-thickness 2)
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81
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82 (defun gui-button-p (object)
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83 "True if OBJECT is a GUI button."
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84 (and (vectorp object)
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85 (> (length object) 0)
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86 (eq 'button (aref object 0))))
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87
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88 (make-face 'gui-button-face "Face used for gui buttons")
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89 (if (not (face-differs-from-default-p 'gui-button-face))
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90 (progn
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91 (set-face-reverse-p 'gui-button-face t)
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711
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92 (set-face-background 'gui-button-face '(((win color) . "grey75")))
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93 (set-face-foreground 'gui-button-face '(((win color) . "black")))))
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428
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94
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454
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95
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96 (defun gui-button-action (instance action user-data)
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97 (let ((domain (image-instance-domain instance)))
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98 (with-current-buffer (if (windowp domain)
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99 (window-buffer domain) nil)
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100 (funcall action user-data))))
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101
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428
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102 (defun make-gui-button (string &optional action user-data)
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103 "Make a GUI button whose label is STRING and whose action is ACTION.
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104 If the button is inserted in a buffer and then clicked on, and ACTION
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454
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105 is non-nil, ACTION will be called with one argument, USER-DATA.
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106 When ACTION is called, the buffer containing the button is made current."
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428
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107 (vector 'button
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108 :descriptor string
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109 :face 'gui-button-face
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454
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110 :callback-ex `(lambda (image-instance event)
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111 (gui-button-action image-instance
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112 (quote ,action)
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113 (quote ,user-data)))))
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428
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114
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115 (defun insert-gui-button (button &optional pos buffer)
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116 "Insert GUI button BUTTON at POS in BUFFER."
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117 (check-argument-type 'gui-button-p button)
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776
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118 (if-fboundp 'make-annotation
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119 (make-annotation (make-glyph button)
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120 pos 'text buffer nil)
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121 (error 'unimplemented "insert-gui-button requires `annotations' package")))
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122
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428
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123
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124 ;;; gui.el ends here
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