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1 ;;; x-faces.el --- X-specific face frobnication, aka black magic.
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2
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3 ;;; Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
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4 ;;; Copyright (C) 1995, 1996 Ben Wing.
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5
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6 ;; Author: Jamie Zawinski <jwz@lucid.com>
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7 ;; Modified by: Chuck Thompson <cthomp@cs.uiuc.edu>
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8 ;; Modified by: Ben Wing <wing@spg.amdahl.com>
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9
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10 ;; This file is part of XEmacs.
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11
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12 ;; XEmacs is free software; you can redistribute it and/or modify it
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13 ;; under the terms of the GNU General Public License as published by
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14 ;; the Free Software Foundation; either version 2, or (at your option)
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15 ;; any later version.
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16
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17 ;; XEmacs is distributed in the hope that it will be useful, but
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18 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
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19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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20 ;; General Public License for more details.
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21
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22 ;; You should have received a copy of the GNU General Public License
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23 ;; along with XEmacs; see the file COPYING. If not, write to the Free
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24 ;; Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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25
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26 ;; This file does the magic to parse X font names, and make sure that the
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27 ;; default and modeline attributes of new frames are specified enough.
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28 ;;
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29 ;; The resource-manager syntax for faces is
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30 ;;
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31 ;; Emacs.bold.attributeFont: font-name
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32 ;; Emacs.bold.attributeForeground: fg
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33 ;; Emacs.bold.attributeBackground: bg
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34 ;; Emacs.bold.attributeBackgroundPixmap: file
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35 ;; Emacs.bold.attributeUnderline: true/false
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36 ;; Emacs.bold.attributeStrikethru: true/false
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37 ;;
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38 ;; You can specify the properties of a face on a per-frame basis. For
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39 ;; example, to have the "isearch" face use a red foreground on frames
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40 ;; named "emacs" (the default) but use a blue foreground on frames that
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41 ;; you create named "debugger", you could do
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42 ;;
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43 ;; Emacs*emacs.isearch.attributeForeground: red
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44 ;; Emacs*debugger.isearch.attributeForeground: blue
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45 ;;
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46 ;; Generally things that make faces won't set any of the face attributes if
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47 ;; you have already given them values via the resource database. You can
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48 ;; also change this stuff from your .emacs file, by using the functions
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49 ;; set-face-foreground, set-face-font, etc. See the code in this file, and
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50 ;; in faces.el.
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51
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52 (defconst x-font-regexp nil)
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53 (defconst x-font-regexp-head nil)
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54 (defconst x-font-regexp-head-2 nil)
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55 (defconst x-font-regexp-weight nil)
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56 (defconst x-font-regexp-slant nil)
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57 (defconst x-font-regexp-pixel nil)
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58 (defconst x-font-regexp-point nil)
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59 (defconst x-font-regexp-foundry-and-family nil)
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60 (defconst x-font-regexp-registry-and-encoding nil)
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61 (defconst x-font-regexp-spacing nil)
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62
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63 ;;; Regexps matching font names in "Host Portable Character Representation."
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64 ;;;
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65 (let ((- "[-?]")
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66 (foundry "[^-]*")
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67 (family "[^-]*")
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68 (weight "\\(bold\\|demibold\\|medium\\|black\\)") ; 1
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69 ; (weight\? "\\(\\*\\|bold\\|demibold\\|medium\\|\\)") ; 1
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70 (weight\? "\\([^-]*\\)") ; 1
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71 (slant "\\([ior]\\)") ; 2
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72 ; (slant\? "\\([ior?*]?\\)") ; 2
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73 (slant\? "\\([^-]?\\)") ; 2
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74 ; (swidth "\\(\\*\\|normal\\|semicondensed\\|\\)") ; 3
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75 (swidth "\\([^-]*\\)") ; 3
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76 ; (adstyle "\\(\\*\\|sans\\|\\)") ; 4
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77 (adstyle "\\([^-]*\\)") ; 4
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78 (pixelsize "\\(\\*\\|[0-9]+\\)") ; 5
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79 (pointsize "\\(\\*\\|0\\|[0-9][0-9]+\\)") ; 6
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80 ; (resx "\\(\\*\\|[0-9][0-9]+\\)") ; 7
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81 ; (resy "\\(\\*\\|[0-9][0-9]+\\)") ; 8
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82 (resx "\\([*0]\\|[0-9][0-9]+\\)") ; 7
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83 (resy "\\([*0]\\|[0-9][0-9]+\\)") ; 8
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84 (spacing "[cmp?*]")
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85 (avgwidth "\\(\\*\\|[0-9]+\\)") ; 9
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86 (registry "[^-]*") ; some fonts have omitted registries
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87 ; (encoding ".+") ; note that encoding may contain "-"...
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88 (encoding "[^-]+") ; false!
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89 )
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90 (setq x-font-regexp
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91 (purecopy
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92 (concat "\\`\\*?[-?*]"
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93 foundry - family - weight\? - slant\? - swidth - adstyle -
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94 pixelsize - pointsize - resx - resy - spacing - avgwidth -
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95 registry - encoding "\\'"
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96 )))
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97 (setq x-font-regexp-head
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98 (purecopy
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99 (concat "\\`[-?*]" foundry - family - weight\? - slant\?
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100 "\\([-*?]\\|\\'\\)")))
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101 (setq x-font-regexp-head-2
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102 (purecopy
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103 (concat "\\`[-?*]" foundry - family - weight\? - slant\?
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104 - swidth - adstyle - pixelsize - pointsize
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105 "\\([-*?]\\|\\'\\)")))
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106 (setq x-font-regexp-slant (purecopy (concat - slant -)))
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107 (setq x-font-regexp-weight (purecopy (concat - weight -)))
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108 ;; if we can't match any of the more specific regexps (unfortunate) then
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109 ;; look for digits; assume 2+ digits is 10ths of points, and 1-2 digits
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110 ;; is pixels. Bogus as hell.
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111 (setq x-font-regexp-pixel (purecopy "[-?*]\\([0-9][0-9]?\\)[-?*]"))
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112 (setq x-font-regexp-point (purecopy "[-?*]\\([0-9][0-9]+\\)[-?*]"))
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113 ;; the following two are used by x-font-menu.el.
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114 (setq x-font-regexp-foundry-and-family
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115 (purecopy (concat "\\`[-?*]" foundry - "\\(" family "\\)" -)))
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116 (setq x-font-regexp-registry-and-encoding
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117 (purecopy (concat - "\\(" registry "\\)" - "\\(" encoding "\\)\\'")))
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118 (setq x-font-regexp-spacing
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119 (purecopy (concat - "\\(" spacing "\\)" - avgwidth
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120 - registry - encoding "\\'")))
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121 )
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122
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123 ;; A "loser font" is something like "8x13" -> "8x13bold".
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124 ;; These are supported only through extreme generosity.
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125 (defconst x-loser-font-regexp (purecopy "\\`[0-9]+x[0-9]+\\'"))
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126
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127 (defun x-frob-font-weight (font which)
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128 (if (font-instance-p font) (setq font (font-instance-name font)))
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129 (cond ((null font) nil)
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130 ((or (string-match x-font-regexp font)
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131 (string-match x-font-regexp-head font)
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132 (string-match x-font-regexp-weight font))
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133 (concat (substring font 0 (match-beginning 1)) which
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134 (substring font (match-end 1))))
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135 ((string-match x-loser-font-regexp font)
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136 (concat font which))
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137 (t nil)))
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138
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139 (defun x-frob-font-slant (font which)
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140 (if (font-instance-p font) (setq font (font-instance-name font)))
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141 (cond ((null font) nil)
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142 ((or (string-match x-font-regexp font)
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143 (string-match x-font-regexp-head font))
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144 (concat (substring font 0 (match-beginning 2)) which
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145 (substring font (match-end 2))))
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146 ((string-match x-font-regexp-slant font)
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147 (concat (substring font 0 (match-beginning 1)) which
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148 (substring font (match-end 1))))
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149 ((string-match x-loser-font-regexp font)
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150 (concat font which))
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151 (t nil)))
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152
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153 (defun try-font-name (name &optional device)
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154 ;; yes, name really should be here twice.
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155 (and name (make-font-instance name device t) name))
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156
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157 (defun x-make-font-bold (font &optional device)
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158 "Given an X font specification, this attempts to make a `bold' font.
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159 If it fails, it returns nil."
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160 ;; Certain Type1 fonts know "bold" as "black"...
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161 (or (try-font-name (x-frob-font-weight font "bold") device)
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162 (try-font-name (x-frob-font-weight font "black") device)
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163 (try-font-name (x-frob-font-weight font "demibold") device)))
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164
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165 (defun x-make-font-unbold (font &optional device)
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166 "Given an X font specification, this attempts to make a non-bold font.
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167 If it fails, it returns nil."
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168 (try-font-name (x-frob-font-weight font "medium") device))
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169
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170 (defun x-make-font-italic (font &optional device)
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171 "Given an X font specification, this attempts to make an `italic' font.
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172 If it fails, it returns nil."
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173 (or (try-font-name (x-frob-font-slant font "i") device)
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174 (try-font-name (x-frob-font-slant font "o") device)))
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175
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176 (defun x-make-font-unitalic (font &optional device)
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177 "Given an X font specification, this attempts to make a non-italic font.
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178 If it fails, it returns nil."
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179 (try-font-name (x-frob-font-slant font "r") device))
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180
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181 (defun x-make-font-bold-italic (font &optional device)
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182 "Given an X font specification, this attempts to make a `bold-italic' font.
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183 If it fails, it returns nil."
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184 ;; This is haired up to avoid loading the "intermediate" fonts.
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185 (or (try-font-name
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186 (x-frob-font-slant (x-frob-font-weight font "bold") "i") device)
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187 (try-font-name
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188 (x-frob-font-slant (x-frob-font-weight font "bold") "o") device)
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189 (try-font-name
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190 (x-frob-font-slant (x-frob-font-weight font "black") "i") device)
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191 (try-font-name
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192 (x-frob-font-slant (x-frob-font-weight font "black") "o") device)
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193 (try-font-name
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194 (x-frob-font-slant (x-frob-font-weight font "demibold") "i") device)
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195 (try-font-name
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196 (x-frob-font-slant (x-frob-font-weight font "demibold") "o") device)))
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197
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198 (defun x-font-size (font)
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199 "Return the nominal size of the given font.
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200 This is done by parsing its name, so it's likely to lose.
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201 X fonts can be specified (by the user) in either pixels or 10ths of points,
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202 and this returns the first one it finds, so you have to decide which units
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203 the returned value is measured in yourself..."
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204 (if (font-instance-p font) (setq font (font-instance-name font)))
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205 (cond ((or (string-match x-font-regexp font)
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206 (string-match x-font-regexp-head-2 font))
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207 (string-to-int (substring font (match-beginning 6) (match-end 6))))
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208 ((or (string-match x-font-regexp-pixel font)
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209 (string-match x-font-regexp-point font))
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210 (string-to-int (substring font (match-beginning 1) (match-end 1))))
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211 (t nil)))
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212
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213 ;; Given a font name, this function returns a list describing all fonts
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214 ;; of all sizes that otherwise match the given font spec. Each element
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215 ;; in the list is a list of three items: the pixel size of the font,
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216 ;; the point size (in 1/10ths of a point) of the font, and the fully-
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217 ;; qualified font name. The first two values may be zero; this
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218 ;; refers to a scalable font.
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219
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220 (defun x-available-font-sizes (font device)
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221 (if (font-instance-p font) (setq font (font-instance-name font)))
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222 (cond ((string-match x-font-regexp font)
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223 ;; turn pixelsize, pointsize, and avgwidth into wildcards
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224 (setq font
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225 (concat (substring font 0 (match-beginning 5)) "*"
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226 (substring font (match-end 5) (match-beginning 6)) "*"
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227 (substring font (match-end 6) (match-beginning 9)) "*"
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228 (substring font (match-end 9) (match-end 0)))))
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229 ((string-match x-font-regexp-head-2 font)
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230 ;; turn pixelsize and pointsize into wildcards
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231 (setq font
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232 (concat (substring font 0 (match-beginning 5)) "*"
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233 (substring font (match-end 5) (match-beginning 6)) "*"
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234 (substring font (match-end 6) (match-end 0)))))
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235 ((string-match "[-?*]\\([0-9]+\\)[-?*]" font)
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236 ;; Turn the first integer we match into a wildcard.
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237 ;; This is pretty dubious...
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238 (setq font
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239 (concat (substring font 0 (match-beginning 1)) "*"
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240 (substring font (match-end 1) (match-end 0))))))
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241 (sort
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242 (delq nil
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243 (mapcar (function
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244 (lambda (name)
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245 (and (string-match x-font-regexp name)
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246 (list
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247 (string-to-int (substring name (match-beginning 5)
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248 (match-end 5)))
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249 (string-to-int (substring name (match-beginning 6)
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250 (match-end 6)))
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251 name))))
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252 (list-fonts font device)))
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253 (function (lambda (x y) (if (= (nth 1 x) (nth 1 y))
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254 (< (nth 0 x) (nth 0 y))
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255 (< (nth 1 x) (nth 1 y)))))))
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256
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257 ;; Given a font name, this attempts to construct a valid font name for
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258 ;; DEVICE whose size is the next smaller (if UP-P is nil) or larger
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259 ;; (if UP-P is t) size and whose other characteristics are the same
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260 ;; as the given font.
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261
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262 (defun x-frob-font-size (font up-p device)
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263 (if (stringp font) (setq font (make-font-instance font device)))
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264 (if (font-instance-p font) (setq font (font-instance-truename font)))
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265 (let ((available (and font
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266 (x-available-font-sizes font device))))
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267 (cond
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268 ((null available) nil)
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269 ((or (= 0 (nth 0 (car available)))
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270 (= 0 (nth 1 (car available))))
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271 ;; R5 scalable fonts: change size by 1 point.
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272 ;; If they're scalable the first font will have pixel or point = 0.
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273 ;; Sometimes one is 0 and the other isn't (if it's a bitmap font that
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274 ;; can be scaled), sometimes both are (if it's a true outline font).
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275 (let ((name (nth 2 (car available)))
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276 old-size)
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277 (or (string-match x-font-regexp font) (error "can't parse %S" font))
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278 (setq old-size (string-to-int
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279 (substring font (match-beginning 6) (match-end 6))))
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280 (or (> old-size 0) (error "font truename has 0 pointsize?"))
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281 (or (string-match x-font-regexp name) (error "can't parse %S" name))
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282 ;; turn pixelsize into a wildcard, and make pointsize be +/- 10,
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283 ;; which is +/- 1 point. All other fields stay the same as they
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284 ;; were in the "template" font returned by x-available-font-sizes.
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285 ;;
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286 ;; #### But this might return the same font: for example, if the
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287 ;; truename of "-*-courier-medium-r-normal--*-230-75-75-m-0-*"
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288 ;; is "...-240-..." (instead of 230) then this loses, because
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289 ;; the 230 that was passed in as an arg got turned into 240
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290 ;; by the call to font-instance-truename; then we decrement that
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291 ;; by 10 and return the result which is the same. I think the
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292 ;; way to fix this is to make this be a loop that keeps trying
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293 ;; progressively larger pointsize deltas until it finds one
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294 ;; whose truename differs. Have to be careful to avoid infinite
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295 ;; loops at the upper end...
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296 ;;
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297 (concat (substring name 0 (match-beginning 5)) "*"
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298 (substring name (match-end 5) (match-beginning 6))
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299 (int-to-string (+ old-size (if up-p 10 -10)))
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300 (substring name (match-end 6) (match-end 0)))))
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301 (t
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302 ;; non-scalable fonts: take the next available size.
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303 (let ((rest available)
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304 (last nil)
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305 result)
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306 (setq font (downcase font))
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307 (while rest
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308 (cond ((and (not up-p) (equal font (downcase (nth 2 (car rest)))))
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309 (setq result last
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310 rest nil))
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311 ((and up-p (equal font (and last (downcase (nth 2 last)))))
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312 (setq result (car rest)
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313 rest nil)))
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314 (setq last (car rest))
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315 (setq rest (cdr rest)))
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316 (nth 2 result))))))
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317
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318 (defun x-find-smaller-font (font &optional device)
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319 "Loads a new, slightly smaller version of the given font (or font name).
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320 Returns the font if it succeeds, nil otherwise.
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321 If scalable fonts are available, this returns a font which is 1 point smaller.
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322 Otherwise, it returns the next smaller version of this font that is defined."
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323 (x-frob-font-size font nil device))
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324
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325 (defun x-find-larger-font (font &optional device)
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326 "Loads a new, slightly larger version of the given font (or font name).
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327 Returns the font if it succeeds, nil otherwise.
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328 If scalable fonts are available, this returns a font which is 1 point larger.
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329 Otherwise, it returns the next larger version of this font that is defined."
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330 (x-frob-font-size font t device))
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331
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332 (defalias 'x-make-face-bold 'make-face-bold)
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333 (defalias 'x-make-face-italic 'make-face-italic)
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334 (defalias 'x-make-face-bold-italic 'make-face-bold-italic)
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335 (defalias 'x-make-face-unbold 'make-face-unbold)
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336 (defalias 'x-make-face-unitalic 'make-face-unitalic)
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337
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338 (make-obsolete 'x-make-face-bold 'make-face-bold)
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339 (make-obsolete 'x-make-face-italic 'make-face-italic)
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340 (make-obsolete 'x-make-face-bold-italic 'make-face-bold-italic)
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341 (make-obsolete 'x-make-face-unbold 'make-face-unbold)
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342 (make-obsolete 'x-make-face-unitalic 'make-face-unitalic)
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343
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344
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345 ;; Define some logical color names to be used when reading the pixmap files.
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346 (if (featurep 'xpm)
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347 (setq xpm-color-symbols
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348 (list
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349 (purecopy '("foreground" (face-foreground 'default)))
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350 (purecopy '("background" (face-background 'default)))
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351 (purecopy '("backgroundToolBarColor"
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352 (x-get-resource "backgroundToolBarColor"
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353 "BackgroundToolBarColor" 'string)))
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354 )))
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355
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356 ;;; internal routines
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357
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358 ;;; x-init-face-from-resources is responsible for initializing a
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359 ;;; newly-created face from the resource database.
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360 ;;;
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361 ;;; When a new frame is created, it is called from `x-init-frame-faces'
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362 ;;; called from `init-frame-faces' called from init_frame_faces()
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363 ;;; from Fmake_frame(). In this case it is called once for each existing
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364 ;;; face, with the newly-created frame as the argument. It then initializes
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365 ;;; the newly-created faces on that frame.
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366 ;;;
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367 ;;; It's also called from `init-device-faces' and
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368 ;;; `init-global-faces'.
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369 ;;;
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370 ;;; This had better not signal an error. The frame is in an intermediate
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371 ;;; state where signalling an error or entering the debugger would likely
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372 ;;; result in a crash.
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373
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374 (defun x-init-face-from-resources (face locale)
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375 ;;
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376 ;; These are things like "attributeForeground" instead of simply
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377 ;; "foreground" because people tend to do things like "*foreground",
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378 ;; which would cause all faces to be fully qualified, making faces
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379 ;; inherit attributes in a non-useful way. So we've made them slightly
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380 ;; less obvious to specify in order to make them work correctly in
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381 ;; more random environments.
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382 ;;
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383 ;; I think these should be called "face.faceForeground" instead of
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384 ;; "face.attributeForeground", but they're the way they are for
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385 ;; hysterical reasons. (jwz)
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386
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387 (let* ((face-sym (face-name face))
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388 (name (symbol-name face-sym))
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389 (fn (x-get-resource-and-maybe-bogosity-check
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390 (concat name ".attributeFont")
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391 "Face.AttributeFont"
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392 'string locale))
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393 (fg (x-get-resource-and-maybe-bogosity-check
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394 (concat name ".attributeForeground")
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395 "Face.AttributeForeground"
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396 'string locale))
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397 (bg (x-get-resource-and-maybe-bogosity-check
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398 (concat name ".attributeBackground")
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399 "Face.AttributeBackground"
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400 'string locale))
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401 (bgp (x-get-resource-and-maybe-bogosity-check
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402 (concat name ".attributeBackgroundPixmap")
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403 "Face.AttributeBackgroundPixmap"
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404 'string locale))
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405 (ulp (x-get-resource-and-maybe-bogosity-check
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406 (concat name ".attributeUnderline")
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407 "Face.AttributeUnderline"
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408 'boolean locale))
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409 (stp (x-get-resource-and-maybe-bogosity-check
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410 (concat name ".attributeStrikethru")
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411 "Face.AttributeStrikethru"
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412 'boolean locale))
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413 ;; we still resource for these TTY-only resources so that
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414 ;; you can specify resources for TTY frames/devices. This is
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415 ;; useful when you start up your XEmacs on an X display and later
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416 ;; open some TTY frames.
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417 (hp (x-get-resource-and-maybe-bogosity-check
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418 (concat name ".attributeHighlight")
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419 "Face.AttributeHighlight"
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420 'boolean locale))
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421 (dp (x-get-resource-and-maybe-bogosity-check
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422 (concat name ".attributeDim")
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423 "Face.AttributeDim"
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424 'boolean locale))
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425 (bp (x-get-resource-and-maybe-bogosity-check
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426 (concat name ".attributeBlinking")
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427 "Face.AttributeBlinking"
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428 'boolean locale))
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429 (rp (x-get-resource-and-maybe-bogosity-check
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430 (concat name ".attributeReverse")
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431 "Face.AttributeReverse"
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432 'boolean locale))
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433 )
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434
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435 ;;
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436 ;; If this is the default face, then any unspecified properties should
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437 ;; be defaulted from the global properties. Can't do this for
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438 ;; frames or devices because then, common resource specs like
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439 ;; "*Foreground: black" will have unwanted effects.
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440 ;;
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441 (if (and (eq (face-name face) 'default)
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442 (or (null locale) (eq locale 'global)))
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443 (progn
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444 (or fn (setq fn (x-get-resource
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445 "font" "Font" 'string locale)))
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446 (or fg (setq fg (x-get-resource
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447 "foreground" "Foreground" 'string locale)))
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448 (or bg (setq bg (x-get-resource
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449 "background" "Background" 'string locale)))))
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450 ;;
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451 ;; "*cursorColor: foo" is equivalent to setting the background of the
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452 ;; text-cursor face.
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453 ;;
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454 (if (and (eq (face-name face) 'text-cursor)
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455 (or (null locale) (eq locale 'global)))
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456 (setq bg (or (x-get-resource
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457 "cursorColor" "CursorColor" 'string locale) bg)))
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458 ;; #### should issue warnings? I think this should be
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459 ;; done when the instancing actually happens, but I'm not
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460 ;; sure how it should actually be dealt with.
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461 (if fn
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462 (set-face-font face fn locale nil 'append))
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463 ;; Kludge-o-rooni. Set the foreground and background resources for
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464 ;; X devices only -- otherwise things tend to get all messed up
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465 ;; if you start up an X frame and then later create a TTY frame.
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466 (if fg
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467 (set-face-foreground face fg locale 'x 'append))
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468 (if bg
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469 (set-face-background face bg locale 'x 'append))
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470 (if bgp
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471 (set-face-background-pixmap face bgp locale nil 'append))
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472 (if ulp
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473 (set-face-underline-p face ulp locale nil 'append))
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474 (if stp
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475 (set-face-strikethru-p face stp locale nil 'append))
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476 (if hp
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477 (set-face-highlight-p face hp locale nil 'append))
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478 (if dp
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479 (set-face-dim-p face dp locale nil 'append))
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480 (if bp
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481 (set-face-blinking-p face bp locale nil 'append))
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482 (if rp
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483 (set-face-reverse-p face rp locale nil 'append))
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484 ))
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485
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486 ;;; x-init-global-faces is responsible for ensuring that the
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487 ;;; default face has some reasonable fallbacks if nothing else is
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488 ;;; specified.
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489 ;;;
|
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490 (defun x-init-global-faces ()
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491 (or (face-font 'default 'global)
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492 (set-face-font 'default
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493 "-*-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-*")
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|
494 'global)
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495 (or (face-foreground 'default 'global)
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496 (set-face-foreground 'default "black" 'global 'x))
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497 (or (face-background 'default 'global)
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498 (set-face-background 'default "white" 'global 'x)))
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499
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500 ;;; x-init-device-faces is responsible for initializing default
|
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|
501 ;;; values for faces on a newly created device.
|
|
|
502 ;;;
|
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503 (defun x-init-device-faces (device)
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504 ;;
|
|
|
505 ;; If the "default" face didn't have a font specified, try to pick one.
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|
506 ;;
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|
|
507 (or
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508 (face-font-instance 'default device)
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509 ;;
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510 ;; No font specified in the resource database; try to cope.
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|
511 ;;
|
|
|
512 ;; At first I wanted to do this by just putting a font-spec in the
|
|
|
513 ;; fallback resources passed to XtAppInitialize(), but that fails
|
|
|
514 ;; if there is an Emacs app-defaults file which doesn't specify a
|
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515 ;; font: apparently the fallback resources are not consulted when
|
|
|
516 ;; there is an app-defaults file, which seems pretty bogus to me.
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517 ;;
|
|
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518 ;; We should also probably try "*xtDefaultFont", but I think that it
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|
|
519 ;; might be legal to specify that as "xtDefaultFont:", that is, at
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|
520 ;; top level, instead of "*xtDefaultFont:", that is, applicable to
|
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|
521 ;; every application. `x-get-resource' can't handle that right now.
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522 ;; Anyway, xtDefaultFont is probably variable-width.
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|
523 ;;
|
|
|
524 ;; Some who have LucidaTypewriter think it's a better font than Courier,
|
|
|
525 ;; but it has the bug that there are no italic and bold italic versions.
|
|
|
526 ;; We could hair this code up to try and mix-and-match fonts to get a
|
|
|
527 ;; full complement, but really, why bother. It's just a default.
|
|
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528 ;;
|
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529 (let (new-x-font)
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|
|
530 (setq new-x-font (or
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|
|
531 ;;
|
|
|
532 ;; We default to looking for iso8859 fonts. Using a wildcard for the
|
|
|
533 ;; encoding would be bad, because that can cause English speakers to get
|
|
|
534 ;; Kanji fonts by default. It is safe to assume that people using a
|
|
|
535 ;; language other than English have both set $LANG, and have specified
|
|
|
536 ;; their `font' and `fontList' resources. In any event, it's better to
|
|
|
537 ;; err on the side of the English speaker in this case because they are
|
|
|
538 ;; much less likely to have encountered this problem, and are thus less
|
|
|
539 ;; likely to know what to do about it.
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|
|
540
|
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|
541 ;; Try for Courier. Almost everyone has that. (Does anyone not?)
|
|
|
542 (make-font-instance
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|
|
543 "-*-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-*" device t)
|
|
|
544 (make-font-instance
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|
545 "-*-courier-*-r-*-*-*-120-*-*-*-*-iso8859-*" device t)
|
|
|
546 ;; Next try for any "medium" charcell or monospaced iso8859 font.
|
|
|
547 (make-font-instance "-*-*-medium-r-*-*-*-120-*-*-m-*-iso8859-*" device t)
|
|
|
548 (make-font-instance "-*-*-medium-r-*-*-*-120-*-*-c-*-iso8859-*" device t)
|
|
|
549 ;; Next try for any charcell or monospaced iso8859 font.
|
|
|
550 (make-font-instance "-*-*-*-r-*-*-*-120-*-*-m-*-iso8859-*" device t)
|
|
|
551 (make-font-instance "-*-*-*-r-*-*-*-120-*-*-c-*-iso8859-*" device t)
|
|
|
552 ;; Ok, let's at least try to stay in 8859...
|
|
|
553 (make-font-instance "-*-*-*-r-*-*-*-120-*-*-*-*-iso8859-*" device t)
|
|
|
554 ;; Boy, we sure are losing now. Try the above, but in any encoding.
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|
|
555 (make-font-instance "-*-*-medium-r-*-*-*-120-*-*-m-*-*-*" device t)
|
|
|
556 (make-font-instance "-*-*-medium-r-*-*-*-120-*-*-c-*-*-*" device t)
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|
557 (make-font-instance "-*-*-*-r-*-*-*-120-*-*-m-*-*-*" device t)
|
|
|
558 (make-font-instance "-*-*-*-r-*-*-*-120-*-*-c-*-*-*" device t)
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|
|
559 (make-font-instance "-*-*-*-r-*-*-*-120-*-*-*-*-*-*" device t)
|
|
|
560 ;; Hello? Please?
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|
|
561 (make-font-instance "-*-*-*-*-*-*-*-120-*-*-*-*-*-*" device t)
|
|
|
562 (make-font-instance "*" device t)
|
|
|
563 ;; if we get to here we're screwed, and faces.c will fatal()...
|
|
|
564 ))
|
|
|
565 (if (not (face-font 'default 'global))
|
|
|
566 (set-face-font 'default new-x-font)
|
|
|
567 (set-face-font 'default new-x-font device))))
|
|
|
568 ;;
|
|
|
569 ;; If the "default" face didn't have both colors specified, then pick
|
|
|
570 ;; some, taking into account whether one of the colors was specified.
|
|
|
571 ;;
|
|
|
572 (let ((fg (face-foreground-instance 'default device))
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|
|
573 (bg (face-background-instance 'default device)))
|
|
|
574 (if (not (and fg bg))
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|
|
575 (if (or (and fg (equal (downcase (color-instance-name fg)) "white"))
|
|
|
576 (and bg (equal (downcase (color-instance-name bg)) "black")))
|
|
|
577 (progn
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|
|
578 (or fg (set-face-foreground 'default "white" device))
|
|
|
579 (or bg (set-face-background 'default "black" device)))
|
|
|
580 (or fg (set-face-foreground 'default "black" device))
|
|
|
581 (or bg (set-face-background 'default "white" device)))))
|
|
|
582
|
|
|
583 ;; Don't look at reverseVideo now or initialize the modeline. This
|
|
|
584 ;; is done on a per-frame basis at the appropriate time.
|
|
|
585
|
|
|
586 ;;
|
|
|
587 ;; Now let's try to pick some reasonable defaults for a few other faces.
|
|
|
588 ;; This kind of stuff should normally go on the create-frame-hook, but
|
|
|
589 ;; this way we won't be in danger of the user screwing things up by not
|
|
|
590 ;; adding hooks in a safe way.
|
|
|
591 ;;
|
|
|
592 (x-init-pointer-shape device) ; from x-mouse.el
|
|
|
593 )
|
|
|
594
|
|
|
595 ;;; This is called from `init-frame-faces', which is called from
|
|
|
596 ;;; init_frame_faces() which is called from Fmake_frame(), to perform
|
|
|
597 ;;; any device-specific initialization.
|
|
|
598 ;;;
|
|
|
599 (defun x-init-frame-faces (frame)
|
|
|
600 ;;
|
|
|
601 ;; The faces already got initialized (by init-frame-faces) from
|
|
|
602 ;; the resource database or global, non-frame faces. The default,
|
|
|
603 ;; bold, bold-italic, and italic faces (plus various other random faces)
|
|
|
604 ;; got set up then. But modeline didn't so that reverseVideo can be
|
|
|
605 ;; frame-specific.
|
|
|
606 ;;
|
|
|
607
|
|
|
608 ;;
|
|
|
609 ;; If reverseVideo was specified, swap the foreground and background
|
|
|
610 ;; of the default and modeline faces.
|
|
|
611 ;;
|
|
|
612 (cond ((car (x-get-resource "reverseVideo" "ReverseVideo" 'boolean frame))
|
|
|
613 ;; First make sure the modeline has fg and bg, inherited from the
|
|
|
614 ;; current default face - for the case where only one is specified,
|
|
|
615 ;; so that invert-face doesn't do something weird.
|
|
|
616 (or (face-foreground 'modeline frame)
|
|
|
617 (set-face-foreground 'modeline
|
|
|
618 (face-foreground-instance 'default frame)
|
|
|
619 frame))
|
|
|
620 (or (face-background 'modeline frame)
|
|
|
621 (set-face-background 'modeline
|
|
|
622 (face-background-instance 'default frame)
|
|
|
623 frame))
|
|
|
624 ;; Now invert both of them. If they end up looking the same,
|
|
|
625 ;; make-frame-initial-faces will invert the modeline again later.
|
|
|
626 (invert-face 'default frame)
|
|
|
627 (invert-face 'modeline frame)
|
|
|
628 )))
|
