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428
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1 ;;; toolbar.el --- Toolbar support for XEmacs
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2
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3 ;; Copyright (C) 1995, 1997 Free Software Foundation, Inc.
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4
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5 ;; Maintainer: XEmacs Development Team
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6 ;; Keywords: extensions, internal, dumped
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7
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8 ;; This file is part of XEmacs.
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9
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10 ;; XEmacs is free software; you can redistribute it and/or modify it
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11 ;; under the terms of the GNU General Public License as published by
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12 ;; the Free Software Foundation; either version 2, or (at your option)
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13 ;; any later version.
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14
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15 ;; XEmacs is distributed in the hope that it will be useful, but
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16 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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17 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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18 ;; General Public License for more details.
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19
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20 ;; You should have received a copy of the GNU General Public License
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21 ;; along with XEmacs; see the file COPYING. If not, write to the
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22 ;; Free Software Foundation, 59 Temple Place - Suite 330,
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23 ;; Boston, MA 02111-1307, USA.
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24
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25 ;;; Synched up with: Not in FSF.
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26
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27 ;;; Commentary:
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28
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29 ;; This file is dumped with XEmacs (when toolbar support is compiled in).
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30
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31 ;;; Code:
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32
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33 (defcustom toolbar-visible-p ;; added for the options menu - dverna apr. 98
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34 (specifier-instance default-toolbar-visible-p)
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35 "Whether the default toolbar is globally visible. This option can be
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36 customized through the options menu."
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37 :group 'display
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38 :type 'boolean
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39 :set #'(lambda (var val)
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40 (set-specifier default-toolbar-visible-p val)
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41 (setq toolbar-visible-p val))
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42 )
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43
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44 (defcustom toolbar-captioned-p ;; added for the options menu - dverna apr. 98
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45 (specifier-instance toolbar-buttons-captioned-p)
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46 "Whether the toolbars buttons are globally captioned. This option can be
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47 customized through the options menu."
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48 :group 'display
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49 :type 'boolean
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50 :set #'(lambda (var val)
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51 (set-specifier toolbar-buttons-captioned-p val)
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52 (setq toolbar-captioned-p val))
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53 )
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54
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55 (defcustom default-toolbar-position ;; added for the options menu - dverna
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56 (default-toolbar-position)
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57 "The location of the default toolbar. It can be 'top, 'bottom, 'left or
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58 'right. This option can be customized through the options menu."
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59 :group 'display
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442
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60 :type '(choice (const :tag "top" top)
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61 (const :tag "bottom" bottom)
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62 (const :tag "left" left)
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63 (const :tag "right" right))
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428
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64 :set #'(lambda (var val)
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65 (set-default-toolbar-position val)
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66 (setq default-toolbar-position val))
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67 )
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68
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69 (defvar toolbar-help-enabled t
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70 "If non-nil help is echoed for toolbar buttons.")
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71
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72 (defvar toolbar-icon-directory nil
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73 "Location of standard toolbar icon bitmaps.")
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74
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75 (defun toolbar-make-button-list (up &optional down disabled cap-up cap-down cap-disabled)
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76 "Call make-glyph on each arg and return a list of the results."
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77 (let ((up-glyph (make-glyph up))
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78 (down-glyph (and down (make-glyph down)))
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79 (disabled-glyph (and disabled (make-glyph disabled)))
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80 (cap-up-glyph (and cap-up (make-glyph cap-up)))
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81 (cap-down-glyph (and cap-down (make-glyph cap-down)))
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82 (cap-disabled-glyph (and cap-disabled (make-glyph cap-disabled))))
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83 (if cap-disabled
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84 (list up-glyph down-glyph disabled-glyph
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85 cap-up-glyph cap-down-glyph cap-disabled-glyph)
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86 (if cap-down
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87 (list up-glyph down-glyph disabled-glyph
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88 cap-up-glyph cap-down-glyph)
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89 (if cap-up
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90 (list up-glyph down-glyph disabled-glyph cap-up-glyph)
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91 (if disabled-glyph
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92 (list up-glyph down-glyph disabled-glyph)
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93 (if down-glyph
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94 (list up-glyph down-glyph)
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95 (list up-glyph))))))))
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96
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97 (defun init-toolbar-location ()
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98 (if (not toolbar-icon-directory)
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99 (let ((name (locate-data-directory "toolbar")))
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100 (if name
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101 (setq toolbar-icon-directory
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102 (file-name-as-directory name))))))
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103
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487
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104 ;; called from toolbar.c during device and frame initialization
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428
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105 (defun init-toolbar-from-resources (locale)
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106 (if (and (featurep 'x)
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107 (not (featurep 'infodock))
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108 (or (eq locale 'global)
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109 (eq 'x (device-or-frame-type locale))))
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110 (x-init-toolbar-from-resources locale)))
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111
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112
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113 ;; #### Is this actually needed or will the code in
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114 ;; default-mouse-motion-handler suffice?
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115 (define-key global-map 'button1up 'release-toolbar-button)
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116
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117 (defvar toolbar-map (let ((m (make-sparse-keymap)))
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118 (set-keymap-name m 'toolbar-map)
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119 m)
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120 "Keymap consulted for mouse-clicks over a toolbar.")
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121
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122 (define-key toolbar-map 'button1 'press-toolbar-button)
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123 (define-key toolbar-map 'button1up 'release-and-activate-toolbar-button)
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124 (defvar last-pressed-toolbar-button nil)
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125 (defvar toolbar-active nil)
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126
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442
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127 (defvar toolbar-blank-press-function nil
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128 "Function to call if a blank area of the toolbar is pressed.")
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129
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428
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130 ;;
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131 ;; It really sucks that we also have to tie onto
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132 ;; default-mouse-motion-handler to make sliding buttons work right.
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133 ;;
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134 (defun press-toolbar-button (event)
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135 "Press a toolbar button. This only changes its appearance.
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136 Call function stored in `toolbar-blank-press-function,' if any, with EVENT as
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137 an argument if press is over a blank area of the toolbar."
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138 (interactive "_e")
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139 (setq this-command last-command)
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140 (let ((button (event-toolbar-button event)))
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141 ;; We silently ignore non-buttons. This most likely means we are
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142 ;; over a blank part of the toolbar.
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143 (setq toolbar-active t)
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144 (if (toolbar-button-p button)
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145 (progn
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146 (set-toolbar-button-down-flag button t)
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147 (setq last-pressed-toolbar-button button))
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148 ;; Added by Bob Weiner, Motorola Inc., 10/6/95, to handle
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149 ;; presses on blank portions of toolbars.
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442
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150 (when (functionp toolbar-blank-press-function)
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151 (funcall toolbar-blank-press-function event)))))
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428
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152
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153 (defun release-and-activate-toolbar-button (event)
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154 "Release a toolbar button and activate its callback.
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155 Call function stored in `toolbar-blank-release-function,' if any, with EVENT
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156 as an argument if release is over a blank area of the toolbar."
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157 (interactive "_e")
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158 (or (button-release-event-p event)
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159 (error "%s must be invoked by a mouse-release" this-command))
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160 (release-toolbar-button event)
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161 (let ((button (event-toolbar-button event)))
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162 (if (and (toolbar-button-p button)
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163 (toolbar-button-enabled-p button)
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164 (toolbar-button-callback button))
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165 (let ((callback (toolbar-button-callback button)))
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166 (setq this-command callback)
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167 ;; Handle arbitrary functions.
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168 (if (functionp callback)
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169 (if (commandp callback)
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170 (call-interactively callback)
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171 (funcall callback))
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172 (eval callback))))))
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173
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174 ;; If current is not t, then only release the toolbar button stored in
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175 ;; last-pressed-toolbar-button
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176 (defun release-toolbar-button-internal (event current)
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177 (let ((button (event-toolbar-button event)))
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178 (setq zmacs-region-stays t)
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179 (if (and last-pressed-toolbar-button
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180 (not (eq last-pressed-toolbar-button button))
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181 (toolbar-button-p last-pressed-toolbar-button))
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182 (progn
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183 (set-toolbar-button-down-flag last-pressed-toolbar-button nil)
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184 (setq last-pressed-toolbar-button nil)))
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185 (if (and current (toolbar-button-p button))
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186 (set-toolbar-button-down-flag button nil))))
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187
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188 (defun release-toolbar-button (event)
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189 "Release all pressed toolbar buttons."
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190 (interactive "_e")
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191 (or (button-release-event-p event)
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192 (error "%s must be invoked by a mouse-release" this-command))
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193 (release-toolbar-button-internal event t)
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194 ;; Don't set this-command if we're being called
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195 ;; from release-and-activate-toolbar-button.
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196 (if (interactive-p)
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197 (setq this-command last-command))
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198 (setq toolbar-active nil))
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199
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200 (defun release-previous-toolbar-button (event)
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201 (setq zmacs-region-stays t)
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202 (release-toolbar-button-internal event nil))
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203
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442
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204 (defun make-toolbar-specifier (spec-list)
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205 "Return a new `toolbar' specifier object with the given specification list.
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206 SPEC-LIST can be a list of specifications (each of which is a cons of a
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207 locale and a list of instantiators), a single instantiator, or a list
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208 of instantiators. See `make-specifier' for more information about
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209 specifiers.
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210
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211 Toolbar specifiers are used to specify the format of a toolbar.
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212 The values of the variables `default-toolbar', `top-toolbar',
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213 `left-toolbar', `right-toolbar', and `bottom-toolbar' are always
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214 toolbar specifiers.
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215
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216 Valid toolbar instantiators are called \"toolbar descriptors\"
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217 and are lists of vectors. See `default-toolbar' for a description
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218 of the exact format."
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219 (make-specifier-and-init 'toolbar spec-list))
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220
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428
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221 ;;; toolbar.el ends here
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