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1 ;;; cus-face.el -- XEmacs specific custom support.
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2 ;;
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3 ;; Copyright (C) 1996, 1997 Free Software Foundation, Inc.
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4 ;;
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5 ;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
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6 ;; Keywords: help, faces
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134
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7 ;; Version: 1.89
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8 ;; X-URL: http://www.dina.kvl.dk/~abraham/custom/
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9
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10 ;;; Commentary:
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11 ;;
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12 ;; See `custom.el'.
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13
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14 ;;; Code:
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15
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16 (require 'custom)
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17
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30
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18 (eval-and-compile (require 'cl))
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19
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28
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20 ;;; Compatibility.
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21
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118
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22 (if (string-match "XEmacs" emacs-version)
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23 (defun custom-face-background (face &optional frame)
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24 ;; Specifiers suck!
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25 "Return the background color name of face FACE, or nil if unspecified."
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26 (color-instance-name (specifier-instance (face-background face) frame)))
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27 (defalias 'custom-face-background 'face-background))
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28
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29 (if (string-match "XEmacs" emacs-version)
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30 (defun custom-face-foreground (face &optional frame)
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31 ;; Specifiers suck!
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32 "Return the background color name of face FACE, or nil if unspecified."
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33 (color-instance-name (specifier-instance (face-foreground face) frame)))
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34 (defalias 'custom-face-foreground 'face-foreground))
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35
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120
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36 (defalias 'custom-face-font-name (if (string-match "XEmacs" emacs-version)
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37 'face-font-name
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38 'face-font))
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39
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134
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40
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30
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41 (eval-and-compile
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134
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42 (cond ((fboundp 'frame-property)
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43 ;; XEmacs.
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44 (defalias 'custom-frame-parameter 'frame-property))
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45 ((fboundp 'frame-parameter)
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46 ;; Emacs 19.35.
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47 (defalias 'custom-frame-parameter 'frame-parameter))
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48 (t
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49 ;; Old emacsen.
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50 (defun custom-frame-parameter (frame property &optional default)
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51 "Return FRAME's value for property PROPERTY."
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52 (or (cdr (assq property (frame-parameters frame)))
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53 default))))
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30
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54
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55 (unless (fboundp 'face-doc-string)
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56 ;; XEmacs function missing in Emacs.
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57 (defun face-doc-string (face)
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58 "Get the documentation string for FACE."
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124
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59 (get face 'face-documentation)))
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60
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61 (unless (fboundp 'set-face-doc-string)
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62 ;; XEmacs function missing in Emacs.
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63 (defun set-face-doc-string (face string)
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64 "Set the documentation string for FACE to STRING."
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124
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65 (put face 'face-documentation string))))
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66
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67 (unless (fboundp 'x-color-values)
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68 ;; Emacs function missing in XEmacs 19.14.
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69 (defun x-color-values (color &optional frame)
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70 "Return a description of the color named COLOR on frame FRAME.
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71 The value is a list of integer RGB values--(RED GREEN BLUE).
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72 These values appear to range from 0 to 65280 or 65535, depending
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73 on the system; white is (65280 65280 65280) or (65535 65535 65535).
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74 If FRAME is omitted or nil, use the selected frame."
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75 (color-instance-rgb-components (make-color-instance color))))
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76
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77 ;; XEmacs and Emacs have different definitions of `facep'.
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78 ;; The Emacs definition is the useful one, so emulate that.
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79 (cond ((not (fboundp 'facep))
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80 (defun custom-facep (face)
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81 "No faces"
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82 nil))
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83 ((string-match "XEmacs" emacs-version)
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84 (defalias 'custom-facep 'find-face))
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85 (t
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86 (defalias 'custom-facep 'facep)))
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87
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88 (unless (fboundp 'make-empty-face)
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89 ;; This should be moved to `faces.el'.
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90 (if (string-match "XEmacs" emacs-version)
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91 ;; Give up for old XEmacs pre 19.15/20.1.
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92 (defalias 'make-empty-face 'make-face)
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93 ;; Define for Emacs pre 19.35.
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94 (defun make-empty-face (name)
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95 "Define a new FACE on all frames, ignoring X resources."
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96 (interactive "SMake face: ")
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97 (or (internal-find-face name)
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98 (let ((face (make-vector 8 nil)))
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99 (aset face 0 'face)
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100 (aset face 1 name)
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101 (let* ((frames (frame-list))
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102 (inhibit-quit t)
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103 (id (internal-next-face-id)))
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104 (make-face-internal id)
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105 (aset face 2 id)
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106 (while frames
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107 (set-frame-face-alist (car frames)
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108 (cons (cons name (copy-sequence face))
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109 (frame-face-alist (car frames))))
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110 (setq frames (cdr frames)))
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111 (setq global-face-data (cons (cons name face) global-face-data)))
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112 ;; add to menu
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113 (if (fboundp 'facemenu-add-new-face)
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114 (facemenu-add-new-face name))
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115 face))
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116 name)))
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117
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118 (defcustom initialize-face-resources t
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119 "If non nil, allow X resources to initialize face properties.
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120 This only affects faces declared with `defface', and only NT or X11 frames."
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121 :group 'customize
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122 :type 'boolean)
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123
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124 (cond ((fboundp 'initialize-face-resources)
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125 ;; Already bound, do nothing.
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126 )
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127 ((fboundp 'make-face-x-resource-internal)
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128 ;; Emacs or new XEmacs.
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129 (defun initialize-face-resources (face &optional frame)
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130 "Initialize face according to the X11 resources.
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131 This might overwrite existing face properties.
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132 Does nothing when the variable initialize-face-resources is nil."
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133 (when initialize-face-resources
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134 (make-face-x-resource-internal face frame t))))
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135 (t
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136 ;; Too hard to do right on XEmacs.
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137 (defalias 'initialize-face-resources 'ignore)))
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138
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36
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139 ;;(if (string-match "XEmacs" emacs-version)
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140 ;; ;; Xemacs.
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141 ;; (defun custom-invert-face (face &optional frame)
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142 ;; "Swap the foreground and background colors of face FACE.
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143 ;;If the colors are not specified in the face, use the default colors."
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144 ;; (interactive (list (read-face-name "Reverse face: ")))
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145 ;; (let ((fg (color-name (face-foreground face frame) frame))
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146 ;; (bg (color-name (face-background face frame) frame)))
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147 ;; (set-face-foreground face bg frame)
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148 ;; (set-face-background face fg frame)))
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149 ;; ;; Emacs.
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150 ;; (defun custom-invert-face (face &optional frame)
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151 ;; "Swap the foreground and background colors of face FACE.
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152 ;;If the colors are not specified in the face, use the default colors."
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153 ;; (interactive (list (read-face-name "Reverse face: ")))
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154 ;; (let ((fg (or (face-foreground face frame)
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155 ;; (face-foreground 'default frame)
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134
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156 ;; (custom-frame-parameter (or frame (selected-frame))
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36
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157 ;; 'foreground-color)
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158 ;; "black"))
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159 ;; (bg (or (face-background face frame)
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160 ;; (face-background 'default frame)
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134
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161 ;; (custom-frame-parameter (or frame (selected-frame))
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36
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162 ;; 'background-color)
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163 ;; "white")))
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164 ;; (set-face-foreground face bg frame)
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165 ;; (set-face-background face fg frame))))
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166
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167 (defcustom custom-background-mode nil
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168 "The brightness of the background.
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169 Set this to the symbol dark if your background color is dark, light if
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170 your background is light, or nil (default) if you want Emacs to
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171 examine the brightness for you."
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172 :group 'customize
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173 :type '(choice (choice-item dark)
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174 (choice-item light)
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175 (choice-item :tag "default" nil)))
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176
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177 (defun custom-background-mode (frame)
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178 "Kludge to detect background mode for FRAME."
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179 (let* ((bg-resource
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180 (condition-case ()
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181 (x-get-resource ".backgroundMode" "BackgroundMode" 'string)
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182 (error nil)))
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183 color
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184 (mode (cond (bg-resource
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185 (intern (downcase bg-resource)))
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186 ((and (setq color (condition-case ()
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134
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187 (or (custom-frame-parameter
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188 frame
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189 'background-color)
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118
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190 (custom-face-background
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191 'default))
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192 (error nil)))
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193 (or (string-match "XEmacs" emacs-version)
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194 window-system)
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195 (< (apply '+ (x-color-values color))
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196 (/ (apply '+ (x-color-values "white"))
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197 3)))
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198 'dark)
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199 (t 'light))))
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200 (modify-frame-parameters frame (list (cons 'background-mode mode)))
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201 mode))
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202
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30
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203 (eval-and-compile
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204 (if (string-match "XEmacs" emacs-version)
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205 ;; XEmacs.
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206 (defun custom-extract-frame-properties (frame)
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207 "Return a plist with the frame properties of FRAME used by custom."
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208 (list 'type (device-type (frame-device frame))
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209 'class (device-class (frame-device frame))
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210 'background (or custom-background-mode
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134
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211 (custom-frame-parameter frame
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212 'background-mode)
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213 (custom-background-mode frame))))
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214 ;; Emacs.
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215 (defun custom-extract-frame-properties (frame)
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216 "Return a plist with the frame properties of FRAME used by custom."
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217 (list 'type window-system
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218 'class (custom-frame-parameter frame 'display-type)
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219 'background (or custom-background-mode
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134
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220 (custom-frame-parameter frame 'background-mode)
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221 (custom-background-mode frame))))))
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222
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223 ;;; Declaring a face.
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224
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225 ;;;###autoload
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226 (defun custom-declare-face (face spec doc &rest args)
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227 "Like `defface', but FACE is evaluated as a normal argument."
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134
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228 (when (or (fboundp 'load-gc) ;XEmacs.
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229 ;; Emacs.
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230 (and (boundp purify-flag) purify-flag))
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30
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231 ;; This should be allowed, somehow.
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232 (error "Attempt to declare a face during dump"))
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233 (unless (get face 'factory-face)
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234 (put face 'factory-face spec)
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235 (when (fboundp 'facep)
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32
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236 (unless (custom-facep face)
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30
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237 ;; If the user has already created the face, respect that.
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238 (let ((value (or (get face 'saved-face) spec))
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239 (frames (custom-relevant-frames))
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240 frame)
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241 ;; Create global face.
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242 (make-empty-face face)
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243 (custom-face-display-set face value)
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244 ;; Create frame local faces
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245 (while frames
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246 (setq frame (car frames)
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247 frames (cdr frames))
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248 (custom-face-display-set face value frame))
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249 (initialize-face-resources face))))
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250 (when (and doc (null (face-doc-string face)))
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251 (set-face-doc-string face doc))
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252 (custom-handle-all-keywords face args 'custom-face)
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253 (run-hooks 'custom-define-hook))
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254 face)
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255
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256 ;;; Font Attributes.
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257
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258 (defconst custom-face-attributes
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259 '((:bold (toggle :format "Bold: %[%v%]\n"
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260 :help-echo "Control whether a bold font should be used.")
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120
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261 custom-set-face-bold
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262 custom-face-bold)
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263 (:italic (toggle :format "Italic: %[%v%]\n"
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264 :help-echo "\
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265 Control whether an italic font should be used.")
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120
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266 custom-set-face-italic
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267 custom-face-italic)
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30
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268 (:underline (toggle :format "Underline: %[%v%]\n"
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269 :help-echo "\
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270 Control whether the text should be underlined.")
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118
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271 set-face-underline-p
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272 face-underline-p)
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273 (:foreground (color :tag "Foreground"
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274 :value "black"
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275 :help-echo "Set foreground color.")
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118
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276 set-face-foreground
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277 custom-face-foreground)
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278 (:background (color :tag "Background"
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32
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279 :value "white"
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280 :help-echo "Set background color.")
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118
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281 set-face-background
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282 custom-face-background)
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36
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283 ;; (:invert (const :format "Invert Face\n"
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284 ;; :sibling-args (:help-echo "
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285 ;;Reverse the foreground and background color.
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286 ;;If you haven't specified them for the face, the default colors will be used.")
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287 ;; t)
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288 ;; (lambda (face value &optional frame)
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289 ;; ;; We don't use VALUE.
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290 ;; (custom-invert-face face frame)))
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291 (:stipple (editable-field :format "Stipple: %v"
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292 :help-echo "Name of background bitmap file.")
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120
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293 set-face-stipple custom-face-stipple))
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294 "Alist of face attributes.
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295
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118
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296 The elements are of the form (KEY TYPE SET GET) where KEY is a symbol
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297 identifying the attribute, TYPE is a widget type for editing the
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118
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298 attibute, SET is a function for setting the attribute value, and GET is a function for getiing the attribute value.
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30
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299
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300 The SET function should take three arguments, the face to modify, the
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301 value of the attribute, and optionally the frame where the face should
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118
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302 be changed.
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303
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304 The GET function should take two arguments, the face to examine, and
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305 optonally the frame where the face should be examined.")
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30
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306
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307 (defun custom-face-attributes-set (face frame &rest atts)
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308 "For FACE on FRAME set the attributes [KEYWORD VALUE]....
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309 Each keyword should be listed in `custom-face-attributes'.
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310
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311 If FRAME is nil, set the default face."
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312 (while atts
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313 (let* ((name (nth 0 atts))
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314 (value (nth 1 atts))
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315 (fun (nth 2 (assq name custom-face-attributes))))
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316 (setq atts (cdr (cdr atts)))
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317 (condition-case nil
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318 (funcall fun face value frame)
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319 (error nil)))))
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320
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118
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321 (defun custom-face-attributes-get (face frame)
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322 "For FACE on FRAME get the attributes [KEYWORD VALUE]....
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323 Each keyword should be listed in `custom-face-attributes'.
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324
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325 If FRAME is nil, use the default face."
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120
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326 (condition-case nil
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327 ;; Attempt to get `font.el' from w3.
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328 (require 'font)
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329 (error nil))
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118
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330 (let ((atts custom-face-attributes)
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331 att result get)
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332 (while atts
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333 (setq att (car atts)
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334 atts (cdr atts)
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335 get (nth 3 att))
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336 (when get
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337 (let ((answer (funcall get face frame)))
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338 (unless (equal answer (funcall get 'default frame))
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339 (when (widget-apply (nth 1 att) :match answer)
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340 (setq result (cons (nth 0 att) (cons answer result))))))))
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341 result))
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342
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30
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343 (defun custom-set-face-bold (face value &optional frame)
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344 "Set the bold property of FACE to VALUE."
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345 (if value
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346 (make-face-bold face frame)
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347 (make-face-unbold face frame)))
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348
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120
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349 (defun custom-face-bold (face &rest args)
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350 "Return non-nil if the font of FACE is bold."
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351 (let* ((font (apply 'custom-face-font-name face args))
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352 (fontobj (font-create-object font)))
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353 (font-bold-p fontobj)))
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354
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30
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355 (defun custom-set-face-italic (face value &optional frame)
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356 "Set the italic property of FACE to VALUE."
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357 (if value
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358 (make-face-italic face frame)
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359 (make-face-unitalic face frame)))
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360
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120
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361 (defun custom-face-italic (face &rest args)
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362 "Return non-nil if the font of FACE is italic."
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363 (let* ((font (apply 'custom-face-font-name face args))
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364 (fontobj (font-create-object font)))
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365 (font-italic-p fontobj)))
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366
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367 (defun custom-face-stipple (face &rest args)
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368 "Return the name of the stipple file used for FACE."
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369 (if (string-match "XEmacs" emacs-version)
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370 (let ((image (apply 'specifier-instance
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371 (face-background-pixmap face) args)))
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372 (when image
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373 (image-instance-file-name image)))
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374 (apply 'face-stipple face args)))
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375
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30
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376 (when (string-match "XEmacs" emacs-version)
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377 ;; Support for special XEmacs font attributes.
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378 (autoload 'font-create-object "font" nil)
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379
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380 (defun custom-set-face-font-size (face size &rest args)
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381 "Set the font of FACE to SIZE"
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120
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382 (let* ((font (apply 'custom-face-font-name face args))
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30
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383 (fontobj (font-create-object font)))
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384 (set-font-size fontobj size)
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32
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385 (apply 'font-set-face-font face fontobj args)))
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30
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386
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120
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387 (defun custom-face-font-size (face &rest args)
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388 "Return the size of the font of FACE as a string."
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389 (let* ((font (apply 'custom-face-font-name face args))
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390 (fontobj (font-create-object font)))
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124
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391 (format "%s" (font-size fontobj))))
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120
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392
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30
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393 (defun custom-set-face-font-family (face family &rest args)
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120
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394 "Set the font of FACE to FAMILY."
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395 (let* ((font (apply 'custom-face-font-name face args))
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30
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396 (fontobj (font-create-object font)))
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397 (set-font-family fontobj family)
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32
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398 (apply 'font-set-face-font face fontobj args)))
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30
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399
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120
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400 (defun custom-face-font-family (face &rest args)
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401 "Return the name of the font family of FACE."
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402 (let* ((font (apply 'custom-face-font-name face args))
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403 (fontobj (font-create-object font)))
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404 (font-family fontobj)))
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405
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406 (setq custom-face-attributes
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407 (append '((:family (editable-field :format "Font Family: %v"
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408 :help-echo "\
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30
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409 Name of font family to use (e.g. times).")
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120
|
410 custom-set-face-font-family
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411 custom-face-font-family)
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412 (:size (editable-field :format "Size: %v"
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413 :help-echo "\
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30
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414 Text size (e.g. 9pt or 2mm).")
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120
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415 custom-set-face-font-size
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416 custom-face-font-size)
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417 (:strikethru (toggle :format "Strikethru: %[%v%]\n"
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|
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418 :help-echo "\
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419 Control whether the text should be strikethru.")
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420 set-face-strikethru-p
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421 face-strikethru-p))
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422 custom-face-attributes)))
|
|
30
|
423
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|
|
424 ;;; Frames.
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425
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|
|
426 (defun custom-face-display-set (face spec &optional frame)
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|
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427 "Set FACE to the attributes to the first matching entry in SPEC.
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428 Iff optional FRAME is non-nil, set it for that frame only.
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|
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429 See `defface' for information about SPEC."
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|
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430 (when (fboundp 'make-face)
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|
|
431 (while spec
|
|
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432 (let* ((entry (car spec))
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433 (display (nth 0 entry))
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|
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434 (atts (nth 1 entry)))
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|
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435 (setq spec (cdr spec))
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|
|
436 (when (custom-display-match-frame display frame)
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|
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437 ;; Avoid creating frame local duplicates of the global face.
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|
|
438 (unless (and frame (eq display (get face 'custom-face-display)))
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|
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439 (apply 'custom-face-attributes-set face frame atts))
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|
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440 (unless frame
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|
|
441 (put face 'custom-face-display display))
|
|
|
442 (setq spec nil))))))
|
|
|
443
|
|
28
|
444 (defvar custom-default-frame-properties nil
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|
|
445 "The frame properties used for the global faces.
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|
|
446 Frames who doesn't match these propertiess should have frame local faces.
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|
|
447 The value should be nil, if uninitialized, or a plist otherwise.
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|
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448 See `defface' for a list of valid keys and values for the plist.")
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|
|
449
|
|
|
450 (defun custom-get-frame-properties (&optional frame)
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|
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451 "Return a plist with the frame properties of FRAME used by custom.
|
|
|
452 If FRAME is nil, return the default frame properties."
|
|
|
453 (cond (frame
|
|
|
454 ;; Try to get from cache.
|
|
134
|
455 (let ((cache (custom-frame-parameter frame 'custom-properties)))
|
|
28
|
456 (unless cache
|
|
|
457 ;; Oh well, get it then.
|
|
|
458 (setq cache (custom-extract-frame-properties frame))
|
|
|
459 ;; and cache it...
|
|
|
460 (modify-frame-parameters frame
|
|
|
461 (list (cons 'custom-properties cache))))
|
|
|
462 cache))
|
|
|
463 (custom-default-frame-properties)
|
|
|
464 (t
|
|
|
465 (setq custom-default-frame-properties
|
|
|
466 (custom-extract-frame-properties (selected-frame))))))
|
|
|
467
|
|
|
468 (defun custom-display-match-frame (display frame)
|
|
|
469 "Non-nil iff DISPLAY matches FRAME.
|
|
|
470 If FRAME is nil, the current FRAME is used."
|
|
|
471 ;; This is a kludge to get started, we really should use specifiers!
|
|
|
472 (if (eq display t)
|
|
|
473 t
|
|
|
474 (let* ((props (custom-get-frame-properties frame))
|
|
|
475 (type (plist-get props 'type))
|
|
|
476 (class (plist-get props 'class))
|
|
|
477 (background (plist-get props 'background))
|
|
|
478 (match t)
|
|
|
479 (entries display)
|
|
|
480 entry req options)
|
|
|
481 (while (and entries match)
|
|
|
482 (setq entry (car entries)
|
|
|
483 entries (cdr entries)
|
|
|
484 req (car entry)
|
|
|
485 options (cdr entry)
|
|
|
486 match (cond ((eq req 'type)
|
|
|
487 (memq type options))
|
|
|
488 ((eq req 'class)
|
|
|
489 (memq class options))
|
|
|
490 ((eq req 'background)
|
|
|
491 (memq background options))
|
|
|
492 (t
|
|
|
493 (error "Unknown req `%S' with options `%S'"
|
|
|
494 req options)))))
|
|
|
495 match)))
|
|
|
496
|
|
|
497 (defun custom-relevant-frames ()
|
|
|
498 "List of frames whose custom properties differ from the default."
|
|
30
|
499 (let ((relevant nil)
|
|
|
500 (default (custom-get-frame-properties))
|
|
|
501 (frames (frame-list))
|
|
|
502 frame)
|
|
|
503 (while frames
|
|
|
504 (setq frame (car frames)
|
|
|
505 frames (cdr frames))
|
|
|
506 (unless (equal default (custom-get-frame-properties frame))
|
|
|
507 (push frame relevant)))
|
|
|
508 relevant))
|
|
28
|
509
|
|
|
510 (defun custom-initialize-faces (&optional frame)
|
|
|
511 "Initialize all custom faces for FRAME.
|
|
|
512 If FRAME is nil or omitted, initialize them for all frames."
|
|
|
513 (mapcar (lambda (symbol)
|
|
|
514 (let ((spec (or (get symbol 'saved-face)
|
|
|
515 (get symbol 'factory-face))))
|
|
|
516 (when spec
|
|
|
517 (custom-face-display-set symbol spec frame)
|
|
|
518 (initialize-face-resources symbol frame))))
|
|
|
519 (face-list)))
|
|
|
520
|
|
124
|
521 ;;;###autoload
|
|
28
|
522 (defun custom-initialize-frame (&optional frame)
|
|
|
523 "Initialize local faces for FRAME if necessary.
|
|
118
|
524 If FRAME is missing or nil, the first member of (frame-list) is used."
|
|
28
|
525 (unless frame
|
|
|
526 (setq frame (car (frame-list))))
|
|
|
527 (unless (equal (custom-get-frame-properties)
|
|
|
528 (custom-get-frame-properties frame))
|
|
30
|
529 (custom-initialize-faces frame)))
|
|
28
|
530
|
|
|
531 ;;; Initializing.
|
|
|
532
|
|
|
533 (and (fboundp 'make-face)
|
|
|
534 (make-face 'custom-face-empty))
|
|
|
535
|
|
|
536 ;;;###autoload
|
|
|
537 (defun custom-set-faces (&rest args)
|
|
|
538 "Initialize faces according to user preferences.
|
|
|
539 The arguments should be a list where each entry has the form:
|
|
|
540
|
|
|
541 (FACE SPEC [NOW])
|
|
|
542
|
|
|
543 SPEC will be stored as the saved value for FACE. If NOW is present
|
|
|
544 and non-nil, FACE will also be created according to SPEC.
|
|
|
545
|
|
|
546 See `defface' for the format of SPEC."
|
|
|
547 (while args
|
|
|
548 (let ((entry (car args)))
|
|
|
549 (if (listp entry)
|
|
|
550 (let ((face (nth 0 entry))
|
|
|
551 (spec (nth 1 entry))
|
|
|
552 (now (nth 2 entry)))
|
|
|
553 (put face 'saved-face spec)
|
|
|
554 (when now
|
|
32
|
555 (put face 'force-face t))
|
|
|
556 (when (or now (custom-facep face))
|
|
28
|
557 (when (fboundp 'copy-face)
|
|
|
558 (copy-face 'custom-face-empty face))
|
|
|
559 (custom-face-display-set face spec))
|
|
|
560 (setq args (cdr args)))
|
|
|
561 ;; Old format, a plist of FACE SPEC pairs.
|
|
|
562 (let ((face (nth 0 args))
|
|
|
563 (spec (nth 1 args)))
|
|
|
564 (put face 'saved-face spec))
|
|
|
565 (setq args (cdr (cdr args)))))))
|
|
|
566
|
|
|
567 ;;; The End.
|
|
|
568
|
|
|
569 (provide 'cus-face)
|
|
|
570
|
|
|
571 ;; cus-face.el ends here
|
