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428
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1 /* "Face" primitives
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2 Copyright (C) 1994 Free Software Foundation, Inc.
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3 Copyright (C) 1995 Board of Trustees, University of Illinois.
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4 Copyright (C) 1995, 1996 Ben Wing.
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5 Copyright (C) 1995 Sun Microsystems, Inc.
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6
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7 This file is part of XEmacs.
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8
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9 XEmacs is free software; you can redistribute it and/or modify it
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10 under the terms of the GNU General Public License as published by the
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11 Free Software Foundation; either version 2, or (at your option) any
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12 later version.
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13
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14 XEmacs is distributed in the hope that it will be useful, but WITHOUT
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15 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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16 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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17 for more details.
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18
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19 You should have received a copy of the GNU General Public License
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20 along with XEmacs; see the file COPYING. If not, write to
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21 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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22 Boston, MA 02111-1307, USA. */
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23
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24 /* Synched up with: Not in FSF. */
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25
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26 /* Written by Chuck Thompson and Ben Wing,
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27 based loosely on old face code by Jamie Zawinski. */
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28
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29 #include <config.h>
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30 #include "lisp.h"
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31
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32 #include "buffer.h"
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33 #include "device.h"
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34 #include "elhash.h"
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35 #include "extents.h"
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36 #include "faces.h"
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37 #include "frame.h"
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38 #include "glyphs.h"
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39 #include "objects.h"
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40 #include "specifier.h"
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41 #include "window.h"
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42
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43 Lisp_Object Qfacep;
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44 Lisp_Object Qforeground, Qbackground, Qdisplay_table;
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45 Lisp_Object Qbackground_pixmap, Qunderline, Qdim;
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46 Lisp_Object Qblinking, Qstrikethru;
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47
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48 Lisp_Object Qinit_face_from_resources;
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49 Lisp_Object Qinit_frame_faces;
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50 Lisp_Object Qinit_device_faces;
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51 Lisp_Object Qinit_global_faces;
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52
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53 /* These faces are used directly internally. We use these variables
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54 to be able to reference them directly and save the overhead of
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55 calling Ffind_face. */
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56 Lisp_Object Vdefault_face, Vmodeline_face, Vgui_element_face;
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57 Lisp_Object Vleft_margin_face, Vright_margin_face, Vtext_cursor_face;
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58 Lisp_Object Vpointer_face, Vvertical_divider_face, Vtoolbar_face, Vwidget_face;
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59
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440
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60 /* Qdefault, Qhighlight, Qleft_margin, Qright_margin defined in general.c */
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61 Lisp_Object Qmodeline, Qgui_element, Qtext_cursor, Qvertical_divider;
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428
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62
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63 /* In the old implementation Vface_list was a list of the face names,
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64 not the faces themselves. We now distinguish between permanent and
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65 temporary faces. Permanent faces are kept in a regular hash table,
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66 temporary faces in a weak hash table. */
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67 Lisp_Object Vpermanent_faces_cache;
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68 Lisp_Object Vtemporary_faces_cache;
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69
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70 Lisp_Object Vbuilt_in_face_specifiers;
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71
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72
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73
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74 static Lisp_Object
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75 mark_face (Lisp_Object obj)
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76 {
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440
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77 Lisp_Face *face = XFACE (obj);
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428
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78
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79 mark_object (face->name);
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80 mark_object (face->doc_string);
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81
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82 mark_object (face->foreground);
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83 mark_object (face->background);
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84 mark_object (face->font);
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85 mark_object (face->display_table);
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86 mark_object (face->background_pixmap);
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87 mark_object (face->underline);
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88 mark_object (face->strikethru);
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89 mark_object (face->highlight);
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90 mark_object (face->dim);
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91 mark_object (face->blinking);
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92 mark_object (face->reverse);
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93
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94 mark_object (face->charsets_warned_about);
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95
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96 return face->plist;
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97 }
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98
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99 static void
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100 print_face (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
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101 {
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440
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102 Lisp_Face *face = XFACE (obj);
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428
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103
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104 if (print_readably)
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105 {
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106 write_c_string ("#s(face name ", printcharfun);
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107 print_internal (face->name, printcharfun, 1);
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108 write_c_string (")", printcharfun);
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109 }
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110 else
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111 {
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112 write_c_string ("#<face ", printcharfun);
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113 print_internal (face->name, printcharfun, 1);
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114 if (!NILP (face->doc_string))
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115 {
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116 write_c_string (" ", printcharfun);
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117 print_internal (face->doc_string, printcharfun, 1);
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118 }
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119 write_c_string (">", printcharfun);
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120 }
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121 }
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122
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123 /* Faces are equal if all of their display attributes are equal. We
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124 don't compare names or doc-strings, because that would make equal
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125 be eq.
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126
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127 This isn't concerned with "unspecified" attributes, that's what
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128 #'face-differs-from-default-p is for. */
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129 static int
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130 face_equal (Lisp_Object obj1, Lisp_Object obj2, int depth)
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131 {
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440
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132 Lisp_Face *f1 = XFACE (obj1);
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133 Lisp_Face *f2 = XFACE (obj2);
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428
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134
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135 depth++;
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136
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137 return
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138 (internal_equal (f1->foreground, f2->foreground, depth) &&
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139 internal_equal (f1->background, f2->background, depth) &&
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140 internal_equal (f1->font, f2->font, depth) &&
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141 internal_equal (f1->display_table, f2->display_table, depth) &&
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142 internal_equal (f1->background_pixmap, f2->background_pixmap, depth) &&
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143 internal_equal (f1->underline, f2->underline, depth) &&
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144 internal_equal (f1->strikethru, f2->strikethru, depth) &&
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145 internal_equal (f1->highlight, f2->highlight, depth) &&
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146 internal_equal (f1->dim, f2->dim, depth) &&
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147 internal_equal (f1->blinking, f2->blinking, depth) &&
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148 internal_equal (f1->reverse, f2->reverse, depth) &&
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149
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150 ! plists_differ (f1->plist, f2->plist, 0, 0, depth + 1));
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151 }
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152
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153 static unsigned long
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154 face_hash (Lisp_Object obj, int depth)
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155 {
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440
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156 Lisp_Face *f = XFACE (obj);
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428
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157
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158 depth++;
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159
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160 /* No need to hash all of the elements; that would take too long.
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161 Just hash the most common ones. */
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162 return HASH3 (internal_hash (f->foreground, depth),
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163 internal_hash (f->background, depth),
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164 internal_hash (f->font, depth));
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165 }
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166
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167 static Lisp_Object
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168 face_getprop (Lisp_Object obj, Lisp_Object prop)
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169 {
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440
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170 Lisp_Face *f = XFACE (obj);
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428
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171
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172 return
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173 (EQ (prop, Qforeground) ? f->foreground :
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174 EQ (prop, Qbackground) ? f->background :
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175 EQ (prop, Qfont) ? f->font :
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176 EQ (prop, Qdisplay_table) ? f->display_table :
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177 EQ (prop, Qbackground_pixmap) ? f->background_pixmap :
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178 EQ (prop, Qunderline) ? f->underline :
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179 EQ (prop, Qstrikethru) ? f->strikethru :
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180 EQ (prop, Qhighlight) ? f->highlight :
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181 EQ (prop, Qdim) ? f->dim :
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182 EQ (prop, Qblinking) ? f->blinking :
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183 EQ (prop, Qreverse) ? f->reverse :
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184 EQ (prop, Qdoc_string) ? f->doc_string :
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185 external_plist_get (&f->plist, prop, 0, ERROR_ME));
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186 }
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187
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188 static int
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189 face_putprop (Lisp_Object obj, Lisp_Object prop, Lisp_Object value)
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190 {
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440
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191 Lisp_Face *f = XFACE (obj);
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428
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192
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193 if (EQ (prop, Qforeground) ||
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194 EQ (prop, Qbackground) ||
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195 EQ (prop, Qfont) ||
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196 EQ (prop, Qdisplay_table) ||
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197 EQ (prop, Qbackground_pixmap) ||
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198 EQ (prop, Qunderline) ||
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199 EQ (prop, Qstrikethru) ||
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200 EQ (prop, Qhighlight) ||
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201 EQ (prop, Qdim) ||
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202 EQ (prop, Qblinking) ||
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203 EQ (prop, Qreverse))
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204 return 0;
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205
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206 if (EQ (prop, Qdoc_string))
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207 {
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208 if (!NILP (value))
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209 CHECK_STRING (value);
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210 f->doc_string = value;
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211 return 1;
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212 }
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213
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214 external_plist_put (&f->plist, prop, value, 0, ERROR_ME);
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215 return 1;
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216 }
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217
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218 static int
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219 face_remprop (Lisp_Object obj, Lisp_Object prop)
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220 {
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440
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221 Lisp_Face *f = XFACE (obj);
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428
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222
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223 if (EQ (prop, Qforeground) ||
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224 EQ (prop, Qbackground) ||
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225 EQ (prop, Qfont) ||
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226 EQ (prop, Qdisplay_table) ||
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227 EQ (prop, Qbackground_pixmap) ||
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228 EQ (prop, Qunderline) ||
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229 EQ (prop, Qstrikethru) ||
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230 EQ (prop, Qhighlight) ||
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231 EQ (prop, Qdim) ||
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232 EQ (prop, Qblinking) ||
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233 EQ (prop, Qreverse))
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234 return -1;
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235
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236 if (EQ (prop, Qdoc_string))
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237 {
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238 f->doc_string = Qnil;
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239 return 1;
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240 }
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241
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242 return external_remprop (&f->plist, prop, 0, ERROR_ME);
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243 }
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244
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245 static Lisp_Object
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246 face_plist (Lisp_Object obj)
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247 {
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440
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248 Lisp_Face *face = XFACE (obj);
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428
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249 Lisp_Object result = face->plist;
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250
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251 result = cons3 (Qreverse, face->reverse, result);
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252 result = cons3 (Qblinking, face->blinking, result);
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253 result = cons3 (Qdim, face->dim, result);
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254 result = cons3 (Qhighlight, face->highlight, result);
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255 result = cons3 (Qstrikethru, face->strikethru, result);
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256 result = cons3 (Qunderline, face->underline, result);
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257 result = cons3 (Qbackground_pixmap, face->background_pixmap, result);
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258 result = cons3 (Qdisplay_table, face->display_table, result);
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259 result = cons3 (Qfont, face->font, result);
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260 result = cons3 (Qbackground, face->background, result);
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261 result = cons3 (Qforeground, face->foreground, result);
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262
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263 return result;
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264 }
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265
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266 static const struct lrecord_description face_description[] = {
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440
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267 { XD_LISP_OBJECT, offsetof (Lisp_Face, name) },
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268 { XD_LISP_OBJECT, offsetof (Lisp_Face, doc_string) },
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269 { XD_LISP_OBJECT, offsetof (Lisp_Face, foreground) },
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270 { XD_LISP_OBJECT, offsetof (Lisp_Face, background) },
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271 { XD_LISP_OBJECT, offsetof (Lisp_Face, font) },
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272 { XD_LISP_OBJECT, offsetof (Lisp_Face, display_table) },
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273 { XD_LISP_OBJECT, offsetof (Lisp_Face, background_pixmap) },
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274 { XD_LISP_OBJECT, offsetof (Lisp_Face, underline) },
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275 { XD_LISP_OBJECT, offsetof (Lisp_Face, strikethru) },
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276 { XD_LISP_OBJECT, offsetof (Lisp_Face, highlight) },
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277 { XD_LISP_OBJECT, offsetof (Lisp_Face, dim) },
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278 { XD_LISP_OBJECT, offsetof (Lisp_Face, blinking) },
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279 { XD_LISP_OBJECT, offsetof (Lisp_Face, reverse) },
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280 { XD_LISP_OBJECT, offsetof (Lisp_Face, plist) },
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281 { XD_LISP_OBJECT, offsetof (Lisp_Face, charsets_warned_about) },
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428
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282 { XD_END }
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283 };
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284
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285 DEFINE_LRECORD_IMPLEMENTATION_WITH_PROPS ("face", face,
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286 mark_face, print_face, 0, face_equal,
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287 face_hash, face_description, face_getprop,
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288 face_putprop, face_remprop,
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440
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289 face_plist, Lisp_Face);
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428
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290
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291 /************************************************************************/
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292 /* face read syntax */
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293 /************************************************************************/
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294
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295 static int
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296 face_name_validate (Lisp_Object keyword, Lisp_Object value,
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297 Error_behavior errb)
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298 {
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299 if (ERRB_EQ (errb, ERROR_ME))
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300 {
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301 CHECK_SYMBOL (value);
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302 return 1;
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303 }
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304
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305 return SYMBOLP (value);
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306 }
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307
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308 static int
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309 face_validate (Lisp_Object data, Error_behavior errb)
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310 {
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311 int name_seen = 0;
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312 Lisp_Object valw = Qnil;
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313
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314 data = Fcdr (data); /* skip over Qface */
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315 while (!NILP (data))
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316 {
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317 Lisp_Object keyw = Fcar (data);
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318
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319 data = Fcdr (data);
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320 valw = Fcar (data);
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321 data = Fcdr (data);
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322 if (EQ (keyw, Qname))
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323 name_seen = 1;
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324 else
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325 abort ();
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326 }
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327
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328 if (!name_seen)
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329 {
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330 maybe_error (Qface, errb, "No face name given");
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331 return 0;
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332 }
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333
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334 if (NILP (Ffind_face (valw)))
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335 {
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336 maybe_signal_simple_error ("No such face", valw, Qface, errb);
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337 return 0;
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338 }
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339
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340 return 1;
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341 }
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342
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343 static Lisp_Object
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344 face_instantiate (Lisp_Object data)
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345 {
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346 return Fget_face (Fcar (Fcdr (data)));
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347 }
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348
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349
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350 /****************************************************************************
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351 * utility functions *
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352 ****************************************************************************/
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353
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354 static void
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440
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355 reset_face (Lisp_Face *f)
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428
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356 {
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357 f->name = Qnil;
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358 f->doc_string = Qnil;
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359 f->dirty = 0;
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360 f->foreground = Qnil;
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361 f->background = Qnil;
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362 f->font = Qnil;
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363 f->display_table = Qnil;
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364 f->background_pixmap = Qnil;
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365 f->underline = Qnil;
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366 f->strikethru = Qnil;
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367 f->highlight = Qnil;
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368 f->dim = Qnil;
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369 f->blinking = Qnil;
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370 f->reverse = Qnil;
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371 f->plist = Qnil;
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372 f->charsets_warned_about = Qnil;
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373 }
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374
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|
440
|
375 static Lisp_Face *
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428
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376 allocate_face (void)
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|
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377 {
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440
|
378 Lisp_Face *result = alloc_lcrecord_type (Lisp_Face, &lrecord_face);
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428
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379
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380 reset_face (result);
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381 return result;
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382 }
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383
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384
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|
|
385 /* We store the faces in hash tables with the names as the key and the
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|
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386 actual face object as the value. Occasionally we need to use them
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|
|
387 in a list format. These routines provide us with that. */
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388 struct face_list_closure
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|
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389 {
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390 Lisp_Object *face_list;
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|
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391 };
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392
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393 static int
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394 add_face_to_list_mapper (Lisp_Object key, Lisp_Object value,
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|
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395 void *face_list_closure)
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|
|
396 {
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|
|
397 /* This function can GC */
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|
|
398 struct face_list_closure *fcl =
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|
|
399 (struct face_list_closure *) face_list_closure;
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|
|
400
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|
|
401 *(fcl->face_list) = Fcons (XFACE (value)->name, (*fcl->face_list));
|
|
|
402 return 0;
|
|
|
403 }
|
|
|
404
|
|
|
405 static Lisp_Object
|
|
|
406 faces_list_internal (Lisp_Object list)
|
|
|
407 {
|
|
|
408 Lisp_Object face_list = Qnil;
|
|
|
409 struct gcpro gcpro1;
|
|
|
410 struct face_list_closure face_list_closure;
|
|
|
411
|
|
|
412 GCPRO1 (face_list);
|
|
|
413 face_list_closure.face_list = &face_list;
|
|
|
414 elisp_maphash (add_face_to_list_mapper, list, &face_list_closure);
|
|
|
415 UNGCPRO;
|
|
|
416
|
|
|
417 return face_list;
|
|
|
418 }
|
|
|
419
|
|
|
420 static Lisp_Object
|
|
|
421 permanent_faces_list (void)
|
|
|
422 {
|
|
|
423 return faces_list_internal (Vpermanent_faces_cache);
|
|
|
424 }
|
|
|
425
|
|
|
426 static Lisp_Object
|
|
|
427 temporary_faces_list (void)
|
|
|
428 {
|
|
|
429 return faces_list_internal (Vtemporary_faces_cache);
|
|
|
430 }
|
|
|
431
|
|
|
432
|
|
|
433 static int
|
|
|
434 mark_face_as_clean_mapper (Lisp_Object key, Lisp_Object value,
|
|
|
435 void *flag_closure)
|
|
|
436 {
|
|
|
437 /* This function can GC */
|
|
|
438 int *flag = (int *) flag_closure;
|
|
|
439 XFACE (value)->dirty = *flag;
|
|
|
440 return 0;
|
|
|
441 }
|
|
|
442
|
|
|
443 static void
|
|
|
444 mark_all_faces_internal (int flag)
|
|
|
445 {
|
|
|
446 elisp_maphash (mark_face_as_clean_mapper, Vpermanent_faces_cache, &flag);
|
|
|
447 elisp_maphash (mark_face_as_clean_mapper, Vtemporary_faces_cache, &flag);
|
|
|
448 }
|
|
|
449
|
|
|
450 void
|
|
|
451 mark_all_faces_as_clean (void)
|
|
|
452 {
|
|
|
453 mark_all_faces_internal (0);
|
|
|
454 }
|
|
|
455
|
|
|
456 /* Currently unused (see the comment in face_property_was_changed()). */
|
|
|
457 #if 0
|
|
|
458 /* #### OBSOLETE ME, PLEASE. Maybe. Maybe this is just as good as
|
|
|
459 any other solution. */
|
|
|
460 struct face_inheritance_closure
|
|
|
461 {
|
|
|
462 Lisp_Object face;
|
|
|
463 Lisp_Object property;
|
|
|
464 };
|
|
|
465
|
|
|
466 static void
|
|
|
467 update_inheritance_mapper_internal (Lisp_Object cur_face,
|
|
|
468 Lisp_Object inh_face,
|
|
|
469 Lisp_Object property)
|
|
|
470 {
|
|
|
471 /* #### fix this function */
|
|
|
472 Lisp_Object elt = Qnil;
|
|
|
473 struct gcpro gcpro1;
|
|
|
474
|
|
|
475 GCPRO1 (elt);
|
|
|
476
|
|
|
477 for (elt = FACE_PROPERTY_SPEC_LIST (cur_face, property, Qall);
|
|
|
478 !NILP (elt);
|
|
|
479 elt = XCDR (elt))
|
|
|
480 {
|
|
|
481 Lisp_Object values = XCDR (XCAR (elt));
|
|
|
482
|
|
|
483 for (; !NILP (values); values = XCDR (values))
|
|
|
484 {
|
|
|
485 Lisp_Object value = XCDR (XCAR (values));
|
|
|
486 if (VECTORP (value) && XVECTOR_LENGTH (value))
|
|
|
487 {
|
|
|
488 if (EQ (Ffind_face (XVECTOR_DATA (value)[0]), inh_face))
|
|
|
489 Fset_specifier_dirty_flag
|
|
|
490 (FACE_PROPERTY_SPECIFIER (inh_face, property));
|
|
|
491 }
|
|
|
492 }
|
|
|
493 }
|
|
|
494
|
|
|
495 UNGCPRO;
|
|
|
496 }
|
|
|
497
|
|
|
498 static int
|
|
|
499 update_face_inheritance_mapper (CONST void *hash_key, void *hash_contents,
|
|
|
500 void *face_inheritance_closure)
|
|
|
501 {
|
|
|
502 Lisp_Object key, contents;
|
|
|
503 struct face_inheritance_closure *fcl =
|
|
|
504 (struct face_inheritance_closure *) face_inheritance_closure;
|
|
|
505
|
|
|
506 CVOID_TO_LISP (key, hash_key);
|
|
|
507 VOID_TO_LISP (contents, hash_contents);
|
|
|
508
|
|
|
509 if (EQ (fcl->property, Qfont))
|
|
|
510 {
|
|
|
511 update_inheritance_mapper_internal (contents, fcl->face, Qfont);
|
|
|
512 }
|
|
|
513 else if (EQ (fcl->property, Qforeground) ||
|
|
|
514 EQ (fcl->property, Qbackground))
|
|
|
515 {
|
|
|
516 update_inheritance_mapper_internal (contents, fcl->face, Qforeground);
|
|
|
517 update_inheritance_mapper_internal (contents, fcl->face, Qbackground);
|
|
|
518 }
|
|
|
519 else if (EQ (fcl->property, Qunderline) ||
|
|
|
520 EQ (fcl->property, Qstrikethru) ||
|
|
|
521 EQ (fcl->property, Qhighlight) ||
|
|
|
522 EQ (fcl->property, Qdim) ||
|
|
|
523 EQ (fcl->property, Qblinking) ||
|
|
|
524 EQ (fcl->property, Qreverse))
|
|
|
525 {
|
|
|
526 update_inheritance_mapper_internal (contents, fcl->face, Qunderline);
|
|
|
527 update_inheritance_mapper_internal (contents, fcl->face, Qstrikethru);
|
|
|
528 update_inheritance_mapper_internal (contents, fcl->face, Qhighlight);
|
|
|
529 update_inheritance_mapper_internal (contents, fcl->face, Qdim);
|
|
|
530 update_inheritance_mapper_internal (contents, fcl->face, Qblinking);
|
|
|
531 update_inheritance_mapper_internal (contents, fcl->face, Qreverse);
|
|
|
532 }
|
|
|
533 return 0;
|
|
|
534 }
|
|
|
535
|
|
|
536 static void
|
|
|
537 update_faces_inheritance (Lisp_Object face, Lisp_Object property)
|
|
|
538 {
|
|
|
539 struct face_inheritance_closure face_inheritance_closure;
|
|
|
540 struct gcpro gcpro1, gcpro2;
|
|
|
541
|
|
|
542 GCPRO2 (face, property);
|
|
|
543 face_inheritance_closure.face = face;
|
|
|
544 face_inheritance_closure.property = property;
|
|
|
545
|
|
|
546 elisp_maphash (update_face_inheritance_mapper, Vpermanent_faces_cache,
|
|
|
547 &face_inheritance_closure);
|
|
|
548 elisp_maphash (update_face_inheritance_mapper, Vtemporary_faces_cache,
|
|
|
549 &face_inheritance_closure);
|
|
|
550
|
|
|
551 UNGCPRO;
|
|
|
552 }
|
|
|
553 #endif /* 0 */
|
|
|
554
|
|
|
555 Lisp_Object
|
|
|
556 face_property_matching_instance (Lisp_Object face, Lisp_Object property,
|
|
|
557 Lisp_Object charset, Lisp_Object domain,
|
|
|
558 Error_behavior errb, int no_fallback,
|
|
|
559 Lisp_Object depth)
|
|
|
560 {
|
|
|
561 Lisp_Object retval =
|
|
|
562 specifier_instance_no_quit (Fget (face, property, Qnil), charset,
|
|
|
563 domain, errb, no_fallback, depth);
|
|
|
564
|
|
|
565 if (UNBOUNDP (retval) && !no_fallback)
|
|
|
566 {
|
|
|
567 if (EQ (property, Qfont))
|
|
|
568 {
|
|
|
569 if (NILP (memq_no_quit (charset,
|
|
|
570 XFACE (face)->charsets_warned_about)))
|
|
|
571 {
|
|
|
572 #ifdef MULE
|
|
|
573 if (! UNBOUNDP (charset))
|
|
|
574 warn_when_safe
|
|
|
575 (Qfont, Qwarning,
|
|
|
576 "Unable to instantiate font for face %s, charset %s",
|
|
|
577 string_data (symbol_name
|
|
|
578 (XSYMBOL (XFACE (face)->name))),
|
|
|
579 string_data (symbol_name
|
|
|
580 (XSYMBOL (XCHARSET_NAME (charset)))));
|
|
|
581 else
|
|
|
582 #endif
|
|
|
583 warn_when_safe (Qfont, Qwarning,
|
|
|
584 "Unable to instantiate font for face %s",
|
|
|
585 string_data (symbol_name
|
|
|
586 (XSYMBOL (XFACE (face)->name))));
|
|
|
587 XFACE (face)->charsets_warned_about =
|
|
|
588 Fcons (charset, XFACE (face)->charsets_warned_about);
|
|
|
589 }
|
|
|
590 retval = Vthe_null_font_instance;
|
|
|
591 }
|
|
|
592 }
|
|
|
593
|
|
|
594 return retval;
|
|
|
595 }
|
|
|
596
|
|
|
597
|
|
|
598 DEFUN ("facep", Ffacep, 1, 1, 0, /*
|
|
|
599 Return non-nil if OBJECT is a face.
|
|
|
600 */
|
|
|
601 (object))
|
|
|
602 {
|
|
|
603 return FACEP (object) ? Qt : Qnil;
|
|
|
604 }
|
|
|
605
|
|
|
606 DEFUN ("find-face", Ffind_face, 1, 1, 0, /*
|
|
|
607 Retrieve the face of the given name.
|
|
|
608 If FACE-OR-NAME is a face object, it is simply returned.
|
|
|
609 Otherwise, FACE-OR-NAME should be a symbol. If there is no such face,
|
|
|
610 nil is returned. Otherwise the associated face object is returned.
|
|
|
611 */
|
|
|
612 (face_or_name))
|
|
|
613 {
|
|
|
614 Lisp_Object retval;
|
|
|
615
|
|
|
616 if (FACEP (face_or_name))
|
|
|
617 return face_or_name;
|
|
|
618 CHECK_SYMBOL (face_or_name);
|
|
|
619
|
|
|
620 /* Check if the name represents a permanent face. */
|
|
|
621 retval = Fgethash (face_or_name, Vpermanent_faces_cache, Qnil);
|
|
|
622 if (!NILP (retval))
|
|
|
623 return retval;
|
|
|
624
|
|
|
625 /* Check if the name represents a temporary face. */
|
|
|
626 return Fgethash (face_or_name, Vtemporary_faces_cache, Qnil);
|
|
|
627 }
|
|
|
628
|
|
|
629 DEFUN ("get-face", Fget_face, 1, 1, 0, /*
|
|
|
630 Retrieve the face of the given name.
|
|
|
631 Same as `find-face' except an error is signalled if there is no such
|
|
|
632 face instead of returning nil.
|
|
|
633 */
|
|
|
634 (name))
|
|
|
635 {
|
|
|
636 Lisp_Object face = Ffind_face (name);
|
|
|
637
|
|
|
638 if (NILP (face))
|
|
|
639 signal_simple_error ("No such face", name);
|
|
|
640 return face;
|
|
|
641 }
|
|
|
642
|
|
|
643 DEFUN ("face-name", Fface_name, 1, 1, 0, /*
|
|
|
644 Return the name of the given face.
|
|
|
645 */
|
|
|
646 (face))
|
|
|
647 {
|
|
|
648 return XFACE (Fget_face (face))->name;
|
|
|
649 }
|
|
|
650
|
|
|
651 DEFUN ("built-in-face-specifiers", Fbuilt_in_face_specifiers, 0, 0, 0, /*
|
|
|
652 Return a list of all built-in face specifier properties.
|
|
|
653 Don't modify this list!
|
|
|
654 */
|
|
|
655 ())
|
|
|
656 {
|
|
|
657 return Vbuilt_in_face_specifiers;
|
|
|
658 }
|
|
|
659
|
|
|
660 /* These values are retrieved so often that we make a special
|
|
|
661 function.
|
|
|
662 */
|
|
|
663
|
|
|
664 void
|
|
|
665 default_face_font_info (Lisp_Object domain, int *ascent, int *descent,
|
|
|
666 int *height, int *width, int *proportional_p)
|
|
|
667 {
|
|
|
668 Lisp_Object font_instance;
|
|
|
669
|
|
|
670 if (noninteractive)
|
|
|
671 {
|
|
|
672 if (ascent)
|
|
|
673 *ascent = 1;
|
|
|
674 if (descent)
|
|
|
675 *descent = 0;
|
|
|
676 if (height)
|
|
|
677 *height = 1;
|
|
|
678 if (width)
|
|
|
679 *width = 1;
|
|
|
680 if (proportional_p)
|
|
|
681 *proportional_p = 0;
|
|
|
682 return;
|
|
|
683 }
|
|
|
684
|
|
|
685 /* We use ASCII here. This is probably reasonable because the
|
|
|
686 people calling this function are using the resulting values to
|
|
|
687 come up with overall sizes for windows and frames. */
|
|
|
688 if (WINDOWP (domain))
|
|
|
689 {
|
|
|
690 struct face_cachel *cachel;
|
|
|
691 struct window *w = XWINDOW (domain);
|
|
|
692
|
|
|
693 /* #### It's possible for this function to get called when the
|
|
|
694 face cachels have not been initialized. I don't know why. */
|
|
|
695 if (!Dynarr_length (w->face_cachels))
|
|
|
696 reset_face_cachels (w);
|
|
|
697 cachel = WINDOW_FACE_CACHEL (w, DEFAULT_INDEX);
|
|
|
698 font_instance = FACE_CACHEL_FONT (cachel, Vcharset_ascii);
|
|
|
699 }
|
|
|
700 else
|
|
|
701 {
|
|
|
702 font_instance = FACE_FONT (Vdefault_face, domain, Vcharset_ascii);
|
|
|
703 }
|
|
|
704
|
|
|
705 if (height)
|
|
|
706 *height = XFONT_INSTANCE (font_instance)->height;
|
|
|
707 if (width)
|
|
|
708 *width = XFONT_INSTANCE (font_instance)->width;
|
|
|
709 if (ascent)
|
|
|
710 *ascent = XFONT_INSTANCE (font_instance)->ascent;
|
|
|
711 if (descent)
|
|
|
712 *descent = XFONT_INSTANCE (font_instance)->descent;
|
|
|
713 if (proportional_p)
|
|
|
714 *proportional_p = XFONT_INSTANCE (font_instance)->proportional_p;
|
|
|
715 }
|
|
|
716
|
|
|
717 void
|
|
|
718 default_face_height_and_width (Lisp_Object domain,
|
|
|
719 int *height, int *width)
|
|
|
720 {
|
|
|
721 default_face_font_info (domain, 0, 0, height, width, 0);
|
|
|
722 }
|
|
|
723
|
|
|
724 void
|
|
|
725 default_face_height_and_width_1 (Lisp_Object domain,
|
|
|
726 int *height, int *width)
|
|
|
727 {
|
|
|
728 if (window_system_pixelated_geometry (domain))
|
|
|
729 {
|
|
|
730 if (height)
|
|
|
731 *height = 1;
|
|
|
732 if (width)
|
|
|
733 *width = 1;
|
|
|
734 }
|
|
|
735 else
|
|
|
736 default_face_height_and_width (domain, height, width);
|
|
|
737 }
|
|
|
738
|
|
|
739 DEFUN ("face-list", Fface_list, 0, 1, 0, /*
|
|
|
740 Return a list of the names of all defined faces.
|
|
|
741 If TEMPORARY is nil, only the permanent faces are included.
|
|
|
742 If it is t, only the temporary faces are included. If it is any
|
|
|
743 other non-nil value both permanent and temporary are included.
|
|
|
744 */
|
|
|
745 (temporary))
|
|
|
746 {
|
|
|
747 Lisp_Object face_list = Qnil;
|
|
|
748
|
|
|
749 /* Added the permanent faces, if requested. */
|
|
|
750 if (NILP (temporary) || !EQ (Qt, temporary))
|
|
|
751 face_list = permanent_faces_list ();
|
|
|
752
|
|
|
753 if (!NILP (temporary))
|
|
|
754 {
|
|
|
755 struct gcpro gcpro1;
|
|
|
756 GCPRO1 (face_list);
|
|
|
757 face_list = nconc2 (face_list, temporary_faces_list ());
|
|
|
758 UNGCPRO;
|
|
|
759 }
|
|
|
760
|
|
|
761 return face_list;
|
|
|
762 }
|
|
|
763
|
|
|
764 DEFUN ("make-face", Fmake_face, 1, 3, 0, /*
|
|
|
765 Define and return a new FACE described by DOC-STRING.
|
|
|
766 You can modify the font, color, etc of a face with the set-face-* functions.
|
|
|
767 If the face already exists, it is unmodified.
|
|
|
768 If TEMPORARY is non-nil, this face will cease to exist if not in use.
|
|
|
769 */
|
|
|
770 (name, doc_string, temporary))
|
|
|
771 {
|
|
|
772 /* This function can GC if initialized is non-zero */
|
|
440
|
773 Lisp_Face *f;
|
|
428
|
774 Lisp_Object face;
|
|
|
775
|
|
|
776 CHECK_SYMBOL (name);
|
|
|
777 if (!NILP (doc_string))
|
|
|
778 CHECK_STRING (doc_string);
|
|
|
779
|
|
|
780 face = Ffind_face (name);
|
|
|
781 if (!NILP (face))
|
|
|
782 return face;
|
|
|
783
|
|
|
784 f = allocate_face ();
|
|
|
785 XSETFACE (face, f);
|
|
|
786
|
|
|
787 f->name = name;
|
|
|
788 f->doc_string = doc_string;
|
|
|
789 f->foreground = Fmake_specifier (Qcolor);
|
|
|
790 set_color_attached_to (f->foreground, face, Qforeground);
|
|
|
791 f->background = Fmake_specifier (Qcolor);
|
|
|
792 set_color_attached_to (f->background, face, Qbackground);
|
|
|
793 f->font = Fmake_specifier (Qfont);
|
|
|
794 set_font_attached_to (f->font, face, Qfont);
|
|
|
795 f->background_pixmap = Fmake_specifier (Qimage);
|
|
|
796 set_image_attached_to (f->background_pixmap, face, Qbackground_pixmap);
|
|
|
797 f->display_table = Fmake_specifier (Qdisplay_table);
|
|
|
798 f->underline = Fmake_specifier (Qface_boolean);
|
|
|
799 set_face_boolean_attached_to (f->underline, face, Qunderline);
|
|
|
800 f->strikethru = Fmake_specifier (Qface_boolean);
|
|
|
801 set_face_boolean_attached_to (f->strikethru, face, Qstrikethru);
|
|
|
802 f->highlight = Fmake_specifier (Qface_boolean);
|
|
|
803 set_face_boolean_attached_to (f->highlight, face, Qhighlight);
|
|
|
804 f->dim = Fmake_specifier (Qface_boolean);
|
|
|
805 set_face_boolean_attached_to (f->dim, face, Qdim);
|
|
|
806 f->blinking = Fmake_specifier (Qface_boolean);
|
|
|
807 set_face_boolean_attached_to (f->blinking, face, Qblinking);
|
|
|
808 f->reverse = Fmake_specifier (Qface_boolean);
|
|
|
809 set_face_boolean_attached_to (f->reverse, face, Qreverse);
|
|
|
810 if (!NILP (Vdefault_face))
|
|
|
811 {
|
|
|
812 /* If the default face has already been created, set it as
|
|
|
813 the default fallback specifier for all the specifiers we
|
|
|
814 just created. This implements the standard "all faces
|
|
|
815 inherit from default" behavior. */
|
|
|
816 set_specifier_fallback (f->foreground,
|
|
|
817 Fget (Vdefault_face, Qforeground, Qunbound));
|
|
|
818 set_specifier_fallback (f->background,
|
|
|
819 Fget (Vdefault_face, Qbackground, Qunbound));
|
|
|
820 set_specifier_fallback (f->font,
|
|
|
821 Fget (Vdefault_face, Qfont, Qunbound));
|
|
|
822 set_specifier_fallback (f->background_pixmap,
|
|
|
823 Fget (Vdefault_face, Qbackground_pixmap,
|
|
|
824 Qunbound));
|
|
|
825 set_specifier_fallback (f->display_table,
|
|
|
826 Fget (Vdefault_face, Qdisplay_table, Qunbound));
|
|
|
827 set_specifier_fallback (f->underline,
|
|
|
828 Fget (Vdefault_face, Qunderline, Qunbound));
|
|
|
829 set_specifier_fallback (f->strikethru,
|
|
|
830 Fget (Vdefault_face, Qstrikethru, Qunbound));
|
|
|
831 set_specifier_fallback (f->highlight,
|
|
|
832 Fget (Vdefault_face, Qhighlight, Qunbound));
|
|
|
833 set_specifier_fallback (f->dim,
|
|
|
834 Fget (Vdefault_face, Qdim, Qunbound));
|
|
|
835 set_specifier_fallback (f->blinking,
|
|
|
836 Fget (Vdefault_face, Qblinking, Qunbound));
|
|
|
837 set_specifier_fallback (f->reverse,
|
|
|
838 Fget (Vdefault_face, Qreverse, Qunbound));
|
|
|
839 }
|
|
|
840
|
|
|
841 /* Add the face to the appropriate list. */
|
|
|
842 if (NILP (temporary))
|
|
|
843 Fputhash (name, face, Vpermanent_faces_cache);
|
|
|
844 else
|
|
|
845 Fputhash (name, face, Vtemporary_faces_cache);
|
|
|
846
|
|
|
847 /* Note that it's OK if we dump faces.
|
|
|
848 When we start up again when we're not noninteractive,
|
|
|
849 `init-global-faces' is called and it resources all
|
|
|
850 existing faces. */
|
|
|
851 if (initialized && !noninteractive)
|
|
|
852 {
|
|
|
853 struct gcpro gcpro1, gcpro2;
|
|
|
854
|
|
|
855 GCPRO2 (name, face);
|
|
|
856 call1 (Qinit_face_from_resources, name);
|
|
|
857 UNGCPRO;
|
|
|
858 }
|
|
|
859
|
|
|
860 return face;
|
|
|
861 }
|
|
|
862
|
|
|
863
|
|
|
864 /*****************************************************************************
|
|
|
865 initialization code
|
|
|
866 ****************************************************************************/
|
|
|
867
|
|
|
868 void
|
|
|
869 init_global_faces (struct device *d)
|
|
|
870 {
|
|
|
871 /* When making the initial terminal device, there is no Lisp code
|
|
|
872 loaded, so we can't do this. */
|
|
|
873 if (initialized && !noninteractive)
|
|
|
874 {
|
|
|
875 call_critical_lisp_code (d, Qinit_global_faces, Qnil);
|
|
|
876 }
|
|
|
877 }
|
|
|
878
|
|
|
879 void
|
|
|
880 init_device_faces (struct device *d)
|
|
|
881 {
|
|
|
882 /* This function can call lisp */
|
|
|
883
|
|
|
884 /* When making the initial terminal device, there is no Lisp code
|
|
|
885 loaded, so we can't do this. */
|
|
|
886 if (initialized)
|
|
|
887 {
|
|
|
888 Lisp_Object tdevice;
|
|
|
889 XSETDEVICE (tdevice, d);
|
|
|
890 call_critical_lisp_code (d, Qinit_device_faces, tdevice);
|
|
|
891 }
|
|
|
892 }
|
|
|
893
|
|
|
894 void
|
|
|
895 init_frame_faces (struct frame *frm)
|
|
|
896 {
|
|
|
897 /* When making the initial terminal device, there is no Lisp code
|
|
|
898 loaded, so we can't do this. */
|
|
|
899 if (initialized)
|
|
|
900 {
|
|
|
901 Lisp_Object tframe;
|
|
|
902 XSETFRAME (tframe, frm);
|
|
|
903
|
|
|
904 /* DO NOT change the selected frame here. If the debugger goes off
|
|
|
905 it will try and display on the frame being created, but it is not
|
|
|
906 ready for that yet and a horrible death will occur. Any random
|
|
|
907 code depending on the selected-frame as an implicit arg should be
|
|
|
908 tracked down and shot. For the benefit of the one known,
|
|
|
909 xpm-color-symbols, make-frame sets the variable
|
|
|
910 Vframe_being_created to the frame it is making and sets it to nil
|
|
|
911 when done. Internal functions that this could trigger which are
|
|
|
912 currently depending on selected-frame should use this instead. It
|
|
|
913 is not currently visible at the lisp level. */
|
|
|
914 call_critical_lisp_code (XDEVICE (FRAME_DEVICE (frm)),
|
|
|
915 Qinit_frame_faces, tframe);
|
|
|
916 }
|
|
|
917 }
|
|
|
918
|
|
|
919
|
|
|
920 /****************************************************************************
|
|
|
921 * face cache element functions *
|
|
|
922 ****************************************************************************/
|
|
|
923
|
|
|
924 /*
|
|
|
925
|
|
|
926 #### Here is a description of how the face cache elements ought
|
|
|
927 to be redone. It is *NOT* how they work currently:
|
|
|
928
|
|
|
929 However, when I started to go about implementing this, I realized
|
|
|
930 that there are all sorts of subtle problems with cache coherency
|
|
|
931 that are coming up. As it turns out, these problems don't
|
|
|
932 manifest themselves now due to the brute-force "kill 'em all"
|
|
|
933 approach to cache invalidation when faces change; but if this
|
|
|
934 is ever made smarter, these problems are going to come up, and
|
|
|
935 some of them are very non-obvious.
|
|
|
936
|
|
|
937 I'm thinking of redoing the cache code a bit to avoid these
|
|
|
938 coherency problems. The bulk of the problems will arise because
|
|
|
939 the current display structures have simple indices into the
|
|
|
940 face cache, but the cache can be changed at various times,
|
|
|
941 which could make the current display structures incorrect.
|
|
|
942 I guess the dirty and updated flags are an attempt to fix
|
|
|
943 this, but this approach doesn't really work.
|
|
|
944
|
|
|
945 Here's an approach that should keep things clean and unconfused:
|
|
|
946
|
|
|
947 1) Imagine a "virtual face cache" that can grow arbitrarily
|
|
|
948 big and for which the only thing allowed is to add new
|
|
|
949 elements. Existing elements cannot be removed or changed.
|
|
|
950 This way, any pointers in the existing redisplay structure
|
|
|
951 into the cache never get screwed up. (This is important
|
|
|
952 because even if a cache element is out of date, if there's
|
|
|
953 a pointer to it then its contents still accurately describe
|
|
|
954 the way the text currently looks on the screen.)
|
|
|
955 2) Each element in the virtual cache either describes exactly
|
|
|
956 one face, or describes the merger of a number of faces
|
|
|
957 by some process. In order to simplify things, for mergers
|
|
|
958 we do not record which faces or ordering was used, but
|
|
|
959 simply that this cache element is the result of merging.
|
|
|
960 Unlike the current implementation, it's important that a
|
|
|
961 single cache element not be used to both describe a
|
|
|
962 single face and describe a merger, even if all the property
|
|
|
963 values are the same.
|
|
|
964 3) Each cache element can be clean or dirty. "Dirty" means
|
|
|
965 that the face that the element points to has been changed;
|
|
|
966 this gets set at the time the face is changed. This
|
|
|
967 way, when looking up a value in the cache, you can determine
|
|
|
968 whether it's out of date or not. For merged faces it
|
|
|
969 does not matter -- we don't record the faces or priority
|
|
|
970 used to create the merger, so it's impossible to look up
|
|
|
971 one of these faces. We have to recompute it each time.
|
|
|
972 Luckily, this is fine -- doing the merge is much
|
|
|
973 less expensive than recomputing the properties of a
|
|
|
974 single face.
|
|
|
975 4) For each cache element, we keep a hash value. (In order
|
|
|
976 to hash the boolean properties, we convert each of them
|
|
|
977 into a different large prime number so that the hashing works
|
|
|
978 well.) This allows us, when comparing runes, to properly
|
|
|
979 determine whether the face for that rune has changed.
|
|
|
980 This will be especially important for TTY's, where there
|
|
|
981 aren't that many faces and minimizing redraw is very
|
|
|
982 important.
|
|
|
983 5) We can't actually keep an infinite cache, but that doesn't
|
|
|
984 really matter that much. The only elements we care about
|
|
|
985 are those that are used by either the current or desired
|
|
|
986 display structs. Therefore, we keep a per-window
|
|
|
987 redisplay iteration number, and mark each element with
|
|
|
988 that number as we use it. Just after outputting the
|
|
|
989 window and synching the redisplay structs, we go through
|
|
|
990 the cache and invalidate all elements that are not clean
|
|
|
991 elements referring to a particular face and that do not
|
|
|
992 have an iteration number equal to the current one. We
|
|
|
993 keep them in a chain, and use them to allocate new
|
|
|
994 elements when possible instead of increasing the Dynarr.
|
|
|
995
|
|
|
996 */
|
|
|
997
|
|
|
998 /* mark for GC a dynarr of face cachels. */
|
|
|
999
|
|
|
1000 void
|
|
|
1001 mark_face_cachels (face_cachel_dynarr *elements)
|
|
|
1002 {
|
|
|
1003 int elt;
|
|
|
1004
|
|
|
1005 if (!elements)
|
|
|
1006 return;
|
|
|
1007
|
|
|
1008 for (elt = 0; elt < Dynarr_length (elements); elt++)
|
|
|
1009 {
|
|
|
1010 struct face_cachel *cachel = Dynarr_atp (elements, elt);
|
|
|
1011
|
|
|
1012 {
|
|
|
1013 int i;
|
|
|
1014
|
|
|
1015 for (i = 0; i < NUM_LEADING_BYTES; i++)
|
|
|
1016 if (!NILP (cachel->font[i]) && !UNBOUNDP (cachel->font[i]))
|
|
|
1017 mark_object (cachel->font[i]);
|
|
|
1018 }
|
|
|
1019 mark_object (cachel->face);
|
|
|
1020 mark_object (cachel->foreground);
|
|
|
1021 mark_object (cachel->background);
|
|
|
1022 mark_object (cachel->display_table);
|
|
|
1023 mark_object (cachel->background_pixmap);
|
|
|
1024 }
|
|
|
1025 }
|
|
|
1026
|
|
|
1027 /* ensure that the given cachel contains an updated font value for
|
|
|
1028 the given charset. Return the updated font value. */
|
|
|
1029
|
|
|
1030 Lisp_Object
|
|
|
1031 ensure_face_cachel_contains_charset (struct face_cachel *cachel,
|
|
|
1032 Lisp_Object domain, Lisp_Object charset)
|
|
|
1033 {
|
|
|
1034 Lisp_Object new_val;
|
|
|
1035 Lisp_Object face = cachel->face;
|
|
|
1036 int bound = 1;
|
|
|
1037 int offs = XCHARSET_LEADING_BYTE (charset) - MIN_LEADING_BYTE;
|
|
|
1038
|
|
|
1039 if (!UNBOUNDP (cachel->font[offs])
|
|
|
1040 && cachel->font_updated[offs])
|
|
|
1041 return cachel->font[offs];
|
|
|
1042
|
|
|
1043 if (UNBOUNDP (face))
|
|
|
1044 {
|
|
|
1045 /* a merged face. */
|
|
|
1046 int i;
|
|
|
1047 struct window *w = XWINDOW (domain);
|
|
|
1048
|
|
|
1049 new_val = Qunbound;
|
|
|
1050 cachel->font_specified[offs] = 0;
|
|
|
1051 for (i = 0; i < cachel->nfaces; i++)
|
|
|
1052 {
|
|
|
1053 struct face_cachel *oth;
|
|
|
1054
|
|
|
1055 oth = Dynarr_atp (w->face_cachels,
|
|
|
1056 FACE_CACHEL_FINDEX_UNSAFE (cachel, i));
|
|
|
1057 /* Tout le monde aime la recursion */
|
|
|
1058 ensure_face_cachel_contains_charset (oth, domain, charset);
|
|
|
1059
|
|
|
1060 if (oth->font_specified[offs])
|
|
|
1061 {
|
|
|
1062 new_val = oth->font[offs];
|
|
|
1063 cachel->font_specified[offs] = 1;
|
|
|
1064 break;
|
|
|
1065 }
|
|
|
1066 }
|
|
|
1067
|
|
|
1068 if (!cachel->font_specified[offs])
|
|
|
1069 /* need to do the default face. */
|
|
|
1070 {
|
|
|
1071 struct face_cachel *oth =
|
|
|
1072 Dynarr_atp (w->face_cachels, DEFAULT_INDEX);
|
|
|
1073 ensure_face_cachel_contains_charset (oth, domain, charset);
|
|
|
1074
|
|
|
1075 new_val = oth->font[offs];
|
|
|
1076 }
|
|
|
1077
|
|
|
1078 if (!UNBOUNDP (cachel->font[offs]) && !EQ (cachel->font[offs], new_val))
|
|
|
1079 cachel->dirty = 1;
|
|
|
1080 cachel->font_updated[offs] = 1;
|
|
|
1081 cachel->font[offs] = new_val;
|
|
|
1082 return new_val;
|
|
|
1083 }
|
|
|
1084
|
|
|
1085 new_val = face_property_matching_instance (face, Qfont, charset, domain,
|
|
|
1086 /* #### look into ERROR_ME_NOT */
|
|
|
1087 ERROR_ME_NOT, 1, Qzero);
|
|
|
1088 if (UNBOUNDP (new_val))
|
|
|
1089 {
|
|
|
1090 bound = 0;
|
|
|
1091 new_val = face_property_matching_instance (face, Qfont,
|
|
|
1092 charset, domain,
|
|
|
1093 /* #### look into
|
|
|
1094 ERROR_ME_NOT */
|
|
|
1095 ERROR_ME_NOT, 0, Qzero);
|
|
|
1096 }
|
|
|
1097 if (!UNBOUNDP (cachel->font[offs]) && !EQ (new_val, cachel->font[offs]))
|
|
|
1098 cachel->dirty = 1;
|
|
|
1099 cachel->font_updated[offs] = 1;
|
|
|
1100 cachel->font[offs] = new_val;
|
|
|
1101 cachel->font_specified[offs] = (bound || EQ (face, Vdefault_face));
|
|
|
1102 return new_val;
|
|
|
1103 }
|
|
|
1104
|
|
|
1105 /* Ensure that the given cachel contains updated fonts for all
|
|
|
1106 the charsets specified. */
|
|
|
1107
|
|
|
1108 void
|
|
|
1109 ensure_face_cachel_complete (struct face_cachel *cachel,
|
|
|
1110 Lisp_Object domain, unsigned char *charsets)
|
|
|
1111 {
|
|
|
1112 int i;
|
|
|
1113
|
|
|
1114 for (i = 0; i < NUM_LEADING_BYTES; i++)
|
|
|
1115 if (charsets[i])
|
|
|
1116 {
|
|
|
1117 Lisp_Object charset = CHARSET_BY_LEADING_BYTE (i + MIN_LEADING_BYTE);
|
|
|
1118 assert (CHARSETP (charset));
|
|
|
1119 ensure_face_cachel_contains_charset (cachel, domain, charset);
|
|
|
1120 }
|
|
|
1121 }
|
|
|
1122
|
|
|
1123 void
|
|
|
1124 face_cachel_charset_font_metric_info (struct face_cachel *cachel,
|
|
|
1125 unsigned char *charsets,
|
|
|
1126 struct font_metric_info *fm)
|
|
|
1127 {
|
|
|
1128 int i;
|
|
|
1129
|
|
|
1130 fm->width = 1;
|
|
|
1131 fm->height = fm->ascent = 1;
|
|
|
1132 fm->descent = 0;
|
|
|
1133 fm->proportional_p = 0;
|
|
|
1134
|
|
|
1135 for (i = 0; i < NUM_LEADING_BYTES; i++)
|
|
|
1136 {
|
|
|
1137 if (charsets[i])
|
|
|
1138 {
|
|
|
1139 Lisp_Object charset = CHARSET_BY_LEADING_BYTE (i + MIN_LEADING_BYTE);
|
|
|
1140 Lisp_Object font_instance = FACE_CACHEL_FONT (cachel, charset);
|
|
440
|
1141 Lisp_Font_Instance *fi = XFONT_INSTANCE (font_instance);
|
|
428
|
1142
|
|
|
1143 assert (CHARSETP (charset));
|
|
|
1144 assert (FONT_INSTANCEP (font_instance));
|
|
|
1145
|
|
|
1146 if (fm->ascent < (int) fi->ascent) fm->ascent = (int) fi->ascent;
|
|
|
1147 if (fm->descent < (int) fi->descent) fm->descent = (int) fi->descent;
|
|
|
1148 fm->height = fm->ascent + fm->descent;
|
|
|
1149 if (fi->proportional_p)
|
|
|
1150 fm->proportional_p = 1;
|
|
|
1151 if (EQ (charset, Vcharset_ascii))
|
|
|
1152 fm->width = fi->width;
|
|
|
1153 }
|
|
|
1154 }
|
|
|
1155 }
|
|
|
1156
|
|
|
1157 /* Called when the updated flag has been cleared on a cachel. */
|
|
|
1158
|
|
|
1159 void
|
|
|
1160 update_face_cachel_data (struct face_cachel *cachel,
|
|
|
1161 Lisp_Object domain,
|
|
|
1162 Lisp_Object face)
|
|
|
1163 {
|
|
|
1164 if (XFACE (face)->dirty || UNBOUNDP (cachel->face))
|
|
|
1165 {
|
|
|
1166 int default_face = EQ (face, Vdefault_face);
|
|
|
1167 cachel->face = face;
|
|
|
1168
|
|
|
1169 /* We normally only set the _specified flags if the value was
|
|
|
1170 actually bound. The exception is for the default face where
|
|
|
1171 we always set it since it is the ultimate fallback. */
|
|
|
1172
|
|
|
1173 #define FROB(field) \
|
|
|
1174 do { \
|
|
|
1175 Lisp_Object new_val = \
|
|
|
1176 FACE_PROPERTY_INSTANCE (face, Q##field, domain, 1, Qzero); \
|
|
|
1177 int bound = 1; \
|
|
|
1178 if (UNBOUNDP (new_val)) \
|
|
|
1179 { \
|
|
|
1180 bound = 0; \
|
|
|
1181 new_val = FACE_PROPERTY_INSTANCE (face, Q##field, domain, 0, Qzero); \
|
|
|
1182 } \
|
|
|
1183 if (!EQ (new_val, cachel->field)) \
|
|
|
1184 { \
|
|
|
1185 cachel->field = new_val; \
|
|
|
1186 cachel->dirty = 1; \
|
|
|
1187 } \
|
|
|
1188 cachel->field##_specified = (bound || default_face); \
|
|
|
1189 } while (0)
|
|
|
1190
|
|
|
1191 FROB (foreground);
|
|
|
1192 FROB (background);
|
|
|
1193 FROB (display_table);
|
|
|
1194 FROB (background_pixmap);
|
|
|
1195
|
|
|
1196 /*
|
|
|
1197 * A face's background pixmap will override the face's
|
|
|
1198 * background color. But the background pixmap of the
|
|
|
1199 * default face should not override the background color of
|
|
|
1200 * a face if the background color has been specified or
|
|
|
1201 * inherited.
|
|
|
1202 *
|
|
|
1203 * To accomplish this we remove the background pixmap of the
|
|
|
1204 * cachel and mark it as having been specified so that cachel
|
|
|
1205 * merging won't override it later.
|
|
|
1206 */
|
|
|
1207 if (! default_face
|
|
|
1208 && cachel->background_specified
|
|
|
1209 && ! cachel->background_pixmap_specified)
|
|
|
1210 {
|
|
|
1211 cachel->background_pixmap = Qunbound;
|
|
|
1212 cachel->background_pixmap_specified = 1;
|
|
|
1213 }
|
|
|
1214
|
|
|
1215 #undef FROB
|
|
|
1216
|
|
|
1217 ensure_face_cachel_contains_charset (cachel, domain, Vcharset_ascii);
|
|
|
1218
|
|
|
1219 #define FROB(field) \
|
|
|
1220 do { \
|
|
|
1221 Lisp_Object new_val = \
|
|
|
1222 FACE_PROPERTY_INSTANCE (face, Q##field, domain, 1, Qzero); \
|
|
|
1223 int bound = 1; \
|
|
|
1224 unsigned int new_val_int; \
|
|
|
1225 if (UNBOUNDP (new_val)) \
|
|
|
1226 { \
|
|
|
1227 bound = 0; \
|
|
|
1228 new_val = FACE_PROPERTY_INSTANCE (face, Q##field, domain, 0, Qzero); \
|
|
|
1229 } \
|
|
|
1230 new_val_int = EQ (new_val, Qt); \
|
|
|
1231 if (cachel->field != new_val_int) \
|
|
|
1232 { \
|
|
|
1233 cachel->field = new_val_int; \
|
|
|
1234 cachel->dirty = 1; \
|
|
|
1235 } \
|
|
|
1236 cachel->field##_specified = bound; \
|
|
|
1237 } while (0)
|
|
|
1238
|
|
|
1239 FROB (underline);
|
|
|
1240 FROB (strikethru);
|
|
|
1241 FROB (highlight);
|
|
|
1242 FROB (dim);
|
|
|
1243 FROB (reverse);
|
|
|
1244 FROB (blinking);
|
|
|
1245 #undef FROB
|
|
|
1246 }
|
|
|
1247
|
|
|
1248 cachel->updated = 1;
|
|
|
1249 }
|
|
|
1250
|
|
|
1251 /* Merge the cachel identified by FINDEX in window W into the given
|
|
|
1252 cachel. */
|
|
|
1253
|
|
|
1254 static void
|
|
|
1255 merge_face_cachel_data (struct window *w, face_index findex,
|
|
|
1256 struct face_cachel *cachel)
|
|
|
1257 {
|
|
|
1258 #define FINDEX_FIELD(field) \
|
|
|
1259 Dynarr_atp (w->face_cachels, findex)->field
|
|
|
1260
|
|
|
1261 #define FROB(field) \
|
|
|
1262 do { \
|
|
|
1263 if (!cachel->field##_specified && FINDEX_FIELD (field##_specified)) \
|
|
|
1264 { \
|
|
|
1265 cachel->field = FINDEX_FIELD (field); \
|
|
|
1266 cachel->field##_specified = 1; \
|
|
|
1267 cachel->dirty = 1; \
|
|
|
1268 } \
|
|
|
1269 } while (0)
|
|
|
1270
|
|
|
1271 FROB (foreground);
|
|
|
1272 FROB (background);
|
|
|
1273 FROB (display_table);
|
|
|
1274 FROB (background_pixmap);
|
|
|
1275 FROB (underline);
|
|
|
1276 FROB (strikethru);
|
|
|
1277 FROB (highlight);
|
|
|
1278 FROB (dim);
|
|
|
1279 FROB (reverse);
|
|
|
1280 FROB (blinking);
|
|
|
1281 /* And do ASCII, of course. */
|
|
|
1282 {
|
|
|
1283 int offs = LEADING_BYTE_ASCII - MIN_LEADING_BYTE;
|
|
|
1284
|
|
|
1285 if (!cachel->font_specified[offs] && FINDEX_FIELD (font_specified[offs]))
|
|
|
1286 {
|
|
|
1287 cachel->font[offs] = FINDEX_FIELD (font[offs]);
|
|
|
1288 cachel->font_specified[offs] = 1;
|
|
|
1289 cachel->dirty = 1;
|
|
|
1290 }
|
|
|
1291 }
|
|
|
1292
|
|
|
1293 #undef FROB
|
|
|
1294 #undef FINDEX_FIELD
|
|
|
1295
|
|
|
1296 cachel->updated = 1;
|
|
|
1297 }
|
|
|
1298
|
|
|
1299 /* Initialize a cachel. */
|
|
|
1300
|
|
|
1301 void
|
|
|
1302 reset_face_cachel (struct face_cachel *cachel)
|
|
|
1303 {
|
|
|
1304 xzero (*cachel);
|
|
|
1305 cachel->face = Qunbound;
|
|
|
1306 cachel->nfaces = 0;
|
|
|
1307 cachel->merged_faces = 0;
|
|
|
1308 cachel->foreground = Qunbound;
|
|
|
1309 cachel->background = Qunbound;
|
|
|
1310 {
|
|
|
1311 int i;
|
|
|
1312
|
|
|
1313 for (i = 0; i < NUM_LEADING_BYTES; i++)
|
|
|
1314 cachel->font[i] = Qunbound;
|
|
|
1315 }
|
|
|
1316 cachel->display_table = Qunbound;
|
|
|
1317 cachel->background_pixmap = Qunbound;
|
|
|
1318 }
|
|
|
1319
|
|
|
1320 /* Add a cachel for the given face to the given window's cache. */
|
|
|
1321
|
|
|
1322 static void
|
|
|
1323 add_face_cachel (struct window *w, Lisp_Object face)
|
|
|
1324 {
|
|
|
1325 struct face_cachel new_cachel;
|
|
|
1326 Lisp_Object window;
|
|
|
1327
|
|
|
1328 reset_face_cachel (&new_cachel);
|
|
|
1329 XSETWINDOW (window, w);
|
|
|
1330 update_face_cachel_data (&new_cachel, window, face);
|
|
|
1331 Dynarr_add (w->face_cachels, new_cachel);
|
|
|
1332 }
|
|
|
1333
|
|
|
1334 /* Retrieve the index to a cachel for window W that corresponds to
|
|
|
1335 the specified face. If necessary, add a new element to the
|
|
|
1336 cache. */
|
|
|
1337
|
|
|
1338 face_index
|
|
|
1339 get_builtin_face_cache_index (struct window *w, Lisp_Object face)
|
|
|
1340 {
|
|
|
1341 int elt;
|
|
|
1342
|
|
|
1343 if (noninteractive)
|
|
|
1344 return 0;
|
|
|
1345
|
|
|
1346 for (elt = 0; elt < Dynarr_length (w->face_cachels); elt++)
|
|
|
1347 {
|
|
|
1348 struct face_cachel *cachel = WINDOW_FACE_CACHEL (w, elt);
|
|
|
1349
|
|
|
1350 if (EQ (cachel->face, face))
|
|
|
1351 {
|
|
|
1352 Lisp_Object window;
|
|
|
1353 XSETWINDOW (window, w);
|
|
|
1354 if (!cachel->updated)
|
|
|
1355 update_face_cachel_data (cachel, window, face);
|
|
|
1356 return elt;
|
|
|
1357 }
|
|
|
1358 }
|
|
|
1359
|
|
|
1360 /* If we didn't find the face, add it and then return its index. */
|
|
|
1361 add_face_cachel (w, face);
|
|
|
1362 return elt;
|
|
|
1363 }
|
|
|
1364
|
|
|
1365 void
|
|
|
1366 reset_face_cachels (struct window *w)
|
|
|
1367 {
|
|
|
1368 /* #### Not initialized in batch mode for the stream device. */
|
|
|
1369 if (w->face_cachels)
|
|
|
1370 {
|
|
|
1371 int i;
|
|
|
1372
|
|
|
1373 for (i = 0; i < Dynarr_length (w->face_cachels); i++)
|
|
|
1374 {
|
|
|
1375 struct face_cachel *cachel = Dynarr_atp (w->face_cachels, i);
|
|
|
1376 if (cachel->merged_faces)
|
|
|
1377 Dynarr_free (cachel->merged_faces);
|
|
|
1378 }
|
|
|
1379 Dynarr_reset (w->face_cachels);
|
|
|
1380 get_builtin_face_cache_index (w, Vdefault_face);
|
|
|
1381 get_builtin_face_cache_index (w, Vmodeline_face);
|
|
|
1382 XFRAME (w->frame)->window_face_cache_reset = 1;
|
|
|
1383 }
|
|
|
1384 }
|
|
|
1385
|
|
|
1386 void
|
|
|
1387 mark_face_cachels_as_clean (struct window *w)
|
|
|
1388 {
|
|
|
1389 int elt;
|
|
|
1390
|
|
|
1391 for (elt = 0; elt < Dynarr_length (w->face_cachels); elt++)
|
|
|
1392 Dynarr_atp (w->face_cachels, elt)->dirty = 0;
|
|
|
1393 }
|
|
|
1394
|
|
|
1395 void
|
|
|
1396 mark_face_cachels_as_not_updated (struct window *w)
|
|
|
1397 {
|
|
|
1398 int elt;
|
|
|
1399
|
|
|
1400 for (elt = 0; elt < Dynarr_length (w->face_cachels); elt++)
|
|
|
1401 {
|
|
|
1402 struct face_cachel *cachel = Dynarr_atp (w->face_cachels, elt);
|
|
|
1403 int i;
|
|
|
1404
|
|
|
1405 cachel->updated = 0;
|
|
|
1406 for (i = 0; i < NUM_LEADING_BYTES; i++)
|
|
|
1407 cachel->font_updated[i] = 0;
|
|
|
1408 }
|
|
|
1409 }
|
|
|
1410
|
|
|
1411 #ifdef MEMORY_USAGE_STATS
|
|
|
1412
|
|
|
1413 int
|
|
|
1414 compute_face_cachel_usage (face_cachel_dynarr *face_cachels,
|
|
|
1415 struct overhead_stats *ovstats)
|
|
|
1416 {
|
|
|
1417 int total = 0;
|
|
|
1418
|
|
|
1419 if (face_cachels)
|
|
|
1420 {
|
|
|
1421 int i;
|
|
|
1422
|
|
|
1423 total += Dynarr_memory_usage (face_cachels, ovstats);
|
|
|
1424 for (i = 0; i < Dynarr_length (face_cachels); i++)
|
|
|
1425 {
|
|
|
1426 int_dynarr *merged = Dynarr_at (face_cachels, i).merged_faces;
|
|
|
1427 if (merged)
|
|
|
1428 total += Dynarr_memory_usage (merged, ovstats);
|
|
|
1429 }
|
|
|
1430 }
|
|
|
1431
|
|
|
1432 return total;
|
|
|
1433 }
|
|
|
1434
|
|
|
1435 #endif /* MEMORY_USAGE_STATS */
|
|
|
1436
|
|
|
1437
|
|
|
1438 /*****************************************************************************
|
|
|
1439 * merged face functions *
|
|
|
1440 *****************************************************************************/
|
|
|
1441
|
|
|
1442 /* Compare two merged face cachels to determine whether we have to add
|
|
|
1443 a new entry to the face cache.
|
|
|
1444
|
|
|
1445 Note that we do not compare the attributes, but just the faces the
|
|
|
1446 cachels are based on. If they are the same, then the cachels certainly
|
|
|
1447 ought to have the same attributes, except in the case where fonts
|
|
|
1448 for different charsets have been determined in the two -- and in that
|
|
|
1449 case this difference is fine. */
|
|
|
1450
|
|
|
1451 static int
|
|
|
1452 compare_merged_face_cachels (struct face_cachel *cachel1,
|
|
|
1453 struct face_cachel *cachel2)
|
|
|
1454 {
|
|
|
1455 int i;
|
|
|
1456
|
|
|
1457 if (!EQ (cachel1->face, cachel2->face)
|
|
|
1458 || cachel1->nfaces != cachel2->nfaces)
|
|
|
1459 return 0;
|
|
|
1460
|
|
|
1461 for (i = 0; i < cachel1->nfaces; i++)
|
|
|
1462 if (FACE_CACHEL_FINDEX_UNSAFE (cachel1, i)
|
|
|
1463 != FACE_CACHEL_FINDEX_UNSAFE (cachel2, i))
|
|
|
1464 return 0;
|
|
|
1465
|
|
|
1466 return 1;
|
|
|
1467 }
|
|
|
1468
|
|
|
1469 /* Retrieve the index to a cachel for window W that corresponds to
|
|
|
1470 the specified cachel. If necessary, add a new element to the
|
|
|
1471 cache. This is similar to get_builtin_face_cache_index() but
|
|
|
1472 is intended for merged cachels rather than for cachels representing
|
|
|
1473 just a face.
|
|
|
1474
|
|
|
1475 Note that a merged cachel for just one face is not the same as
|
|
|
1476 the simple cachel for that face, because it is also merged with
|
|
|
1477 the default face. */
|
|
|
1478
|
|
|
1479 static face_index
|
|
|
1480 get_merged_face_cache_index (struct window *w,
|
|
|
1481 struct face_cachel *merged_cachel)
|
|
|
1482 {
|
|
|
1483 int elt;
|
|
|
1484 int cache_size = Dynarr_length (w->face_cachels);
|
|
|
1485
|
|
|
1486 for (elt = 0; elt < cache_size; elt++)
|
|
|
1487 {
|
|
|
1488 struct face_cachel *cachel =
|
|
|
1489 Dynarr_atp (w->face_cachels, elt);
|
|
|
1490
|
|
|
1491 if (compare_merged_face_cachels (cachel, merged_cachel))
|
|
|
1492 return elt;
|
|
|
1493 }
|
|
|
1494
|
|
|
1495 /* We didn't find it so add this instance to the cache. */
|
|
|
1496 merged_cachel->updated = 1;
|
|
|
1497 merged_cachel->dirty = 1;
|
|
|
1498 Dynarr_add (w->face_cachels, *merged_cachel);
|
|
|
1499 return cache_size;
|
|
|
1500 }
|
|
|
1501
|
|
|
1502 face_index
|
|
|
1503 get_extent_fragment_face_cache_index (struct window *w,
|
|
|
1504 struct extent_fragment *ef)
|
|
|
1505 {
|
|
|
1506 struct face_cachel cachel;
|
|
|
1507 int len = Dynarr_length (ef->extents);
|
|
|
1508 face_index findex = 0;
|
|
|
1509 Lisp_Object window;
|
|
|
1510 XSETWINDOW (window, w);
|
|
|
1511
|
|
|
1512 /* Optimize the default case. */
|
|
|
1513 if (len == 0)
|
|
|
1514 return DEFAULT_INDEX;
|
|
|
1515 else
|
|
|
1516 {
|
|
|
1517 int i;
|
|
|
1518
|
|
|
1519 /* Merge the faces of the extents together in order. */
|
|
|
1520
|
|
|
1521 reset_face_cachel (&cachel);
|
|
|
1522
|
|
|
1523 for (i = len - 1; i >= 0; i--)
|
|
|
1524 {
|
|
|
1525 EXTENT current = Dynarr_at (ef->extents, i);
|
|
|
1526 int has_findex = 0;
|
|
|
1527 Lisp_Object face = extent_face (current);
|
|
|
1528
|
|
|
1529 if (FACEP (face))
|
|
|
1530 {
|
|
|
1531 findex = get_builtin_face_cache_index (w, face);
|
|
|
1532 has_findex = 1;
|
|
|
1533 merge_face_cachel_data (w, findex, &cachel);
|
|
|
1534 }
|
|
|
1535 /* remember, we're called from within redisplay
|
|
|
1536 so we can't error. */
|
|
|
1537 else while (CONSP (face))
|
|
|
1538 {
|
|
|
1539 Lisp_Object one_face = XCAR (face);
|
|
|
1540 if (FACEP (one_face))
|
|
|
1541 {
|
|
|
1542 findex = get_builtin_face_cache_index (w, one_face);
|
|
|
1543 merge_face_cachel_data (w, findex, &cachel);
|
|
|
1544
|
|
|
1545 /* code duplication here but there's no clean
|
|
|
1546 way to avoid it. */
|
|
|
1547 if (cachel.nfaces >= NUM_STATIC_CACHEL_FACES)
|
|
|
1548 {
|
|
|
1549 if (!cachel.merged_faces)
|
|
|
1550 cachel.merged_faces = Dynarr_new (int);
|
|
|
1551 Dynarr_add (cachel.merged_faces, findex);
|
|
|
1552 }
|
|
|
1553 else
|
|
|
1554 cachel.merged_faces_static[cachel.nfaces] = findex;
|
|
|
1555 cachel.nfaces++;
|
|
|
1556 }
|
|
|
1557 face = XCDR (face);
|
|
|
1558 }
|
|
|
1559
|
|
|
1560 if (has_findex)
|
|
|
1561 {
|
|
|
1562 if (cachel.nfaces >= NUM_STATIC_CACHEL_FACES)
|
|
|
1563 {
|
|
|
1564 if (!cachel.merged_faces)
|
|
|
1565 cachel.merged_faces = Dynarr_new (int);
|
|
|
1566 Dynarr_add (cachel.merged_faces, findex);
|
|
|
1567 }
|
|
|
1568 else
|
|
|
1569 cachel.merged_faces_static[cachel.nfaces] = findex;
|
|
|
1570 cachel.nfaces++;
|
|
|
1571 }
|
|
|
1572 }
|
|
|
1573
|
|
|
1574 /* Now finally merge in the default face. */
|
|
|
1575 findex = get_builtin_face_cache_index (w, Vdefault_face);
|
|
|
1576 merge_face_cachel_data (w, findex, &cachel);
|
|
|
1577
|
|
|
1578 return get_merged_face_cache_index (w, &cachel);
|
|
|
1579 }
|
|
|
1580 }
|
|
|
1581
|
|
|
1582
|
|
|
1583 /*****************************************************************************
|
|
|
1584 interface functions
|
|
|
1585 ****************************************************************************/
|
|
|
1586
|
|
|
1587 static void
|
|
|
1588 update_EmacsFrame (Lisp_Object frame, Lisp_Object name)
|
|
|
1589 {
|
|
|
1590 struct frame *frm = XFRAME (frame);
|
|
|
1591
|
|
|
1592 if (EQ (name, Qfont))
|
|
|
1593 MARK_FRAME_SIZE_SLIPPED (frm);
|
|
|
1594
|
|
|
1595 MAYBE_FRAMEMETH (frm, update_frame_external_traits, (frm, name));
|
|
|
1596 }
|
|
|
1597
|
|
|
1598 static void
|
|
|
1599 update_EmacsFrames (Lisp_Object locale, Lisp_Object name)
|
|
|
1600 {
|
|
|
1601 if (FRAMEP (locale))
|
|
|
1602 {
|
|
|
1603 update_EmacsFrame (locale, name);
|
|
|
1604 }
|
|
|
1605 else if (DEVICEP (locale))
|
|
|
1606 {
|
|
|
1607 Lisp_Object frmcons;
|
|
|
1608
|
|
|
1609 DEVICE_FRAME_LOOP (frmcons, XDEVICE (locale))
|
|
|
1610 update_EmacsFrame (XCAR (frmcons), name);
|
|
|
1611 }
|
|
|
1612 else if (EQ (locale, Qglobal) || EQ (locale, Qfallback))
|
|
|
1613 {
|
|
|
1614 Lisp_Object frmcons, devcons, concons;
|
|
|
1615
|
|
|
1616 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
|
|
|
1617 update_EmacsFrame (XCAR (frmcons), name);
|
|
|
1618 }
|
|
|
1619 }
|
|
|
1620
|
|
|
1621 void
|
|
|
1622 update_frame_face_values (struct frame *f)
|
|
|
1623 {
|
|
|
1624 Lisp_Object frm;
|
|
|
1625
|
|
|
1626 XSETFRAME (frm, f);
|
|
|
1627 update_EmacsFrame (frm, Qforeground);
|
|
|
1628 update_EmacsFrame (frm, Qbackground);
|
|
|
1629 update_EmacsFrame (frm, Qfont);
|
|
|
1630 }
|
|
|
1631
|
|
|
1632 void
|
|
|
1633 face_property_was_changed (Lisp_Object face, Lisp_Object property,
|
|
|
1634 Lisp_Object locale)
|
|
|
1635 {
|
|
|
1636 int default_face = EQ (face, Vdefault_face);
|
|
|
1637
|
|
|
1638 /* If the locale could affect the frame value, then call
|
|
|
1639 update_EmacsFrames just in case. */
|
|
|
1640 if (default_face &&
|
|
|
1641 (EQ (property, Qforeground) ||
|
|
|
1642 EQ (property, Qbackground) ||
|
|
|
1643 EQ (property, Qfont)))
|
|
|
1644 update_EmacsFrames (locale, property);
|
|
|
1645
|
|
|
1646 if (WINDOWP (locale))
|
|
|
1647 {
|
|
|
1648 MARK_FRAME_FACES_CHANGED (XFRAME (XWINDOW (locale)->frame));
|
|
|
1649 }
|
|
|
1650 else if (FRAMEP (locale))
|
|
|
1651 {
|
|
|
1652 MARK_FRAME_FACES_CHANGED (XFRAME (locale));
|
|
|
1653 }
|
|
|
1654 else if (DEVICEP (locale))
|
|
|
1655 {
|
|
|
1656 MARK_DEVICE_FRAMES_FACES_CHANGED (XDEVICE (locale));
|
|
|
1657 }
|
|
|
1658 else
|
|
|
1659 {
|
|
|
1660 Lisp_Object devcons, concons;
|
|
|
1661 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
|
1662 MARK_DEVICE_FRAMES_FACES_CHANGED (XDEVICE (XCAR (devcons)));
|
|
|
1663 }
|
|
|
1664
|
|
|
1665 /*
|
|
|
1666 * This call to update_faces_inheritance isn't needed and makes
|
|
|
1667 * creating and modifying faces _very_ slow. The point of
|
|
|
1668 * update_face_inheritances is to find all faces that inherit
|
|
|
1669 * directly from this face property and set the specifier "dirty"
|
|
|
1670 * flag on the corresponding specifier. This forces recaching of
|
|
|
1671 * cached specifier values in frame and window struct slots. But
|
|
|
1672 * currently no face properties are cached in frame and window
|
|
|
1673 * struct slots, so calling this function does nothing useful!
|
|
|
1674 *
|
|
|
1675 * Further, since update_faces_inheritance maps over the whole
|
|
|
1676 * face table every time it is called, it gets terribly slow when
|
|
|
1677 * there are many faces. Creating 500 faces on a 50Mhz 486 took
|
|
|
1678 * 433 seconds when update_faces_inheritance was called. With the
|
|
|
1679 * call commented out, creating those same 500 faces took 0.72
|
|
|
1680 * seconds.
|
|
|
1681 */
|
|
|
1682 /* update_faces_inheritance (face, property);*/
|
|
|
1683 XFACE (face)->dirty = 1;
|
|
|
1684 }
|
|
|
1685
|
|
|
1686 DEFUN ("copy-face", Fcopy_face, 2, 6, 0, /*
|
|
|
1687 Define and return a new face which is a copy of an existing one,
|
|
|
1688 or makes an already-existing face be exactly like another.
|
|
|
1689 LOCALE, TAG-SET, EXACT-P, and HOW-TO-ADD are as in `copy-specifier'.
|
|
|
1690 */
|
|
|
1691 (old_face, new_name, locale, tag_set, exact_p, how_to_add))
|
|
|
1692 {
|
|
440
|
1693 Lisp_Face *fold, *fnew;
|
|
428
|
1694 Lisp_Object new_face = Qnil;
|
|
|
1695 struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
|
|
|
1696
|
|
|
1697 old_face = Fget_face (old_face);
|
|
|
1698
|
|
|
1699 /* We GCPRO old_face because it might be temporary, and GCing could
|
|
|
1700 occur in various places below. */
|
|
|
1701 GCPRO4 (tag_set, locale, old_face, new_face);
|
|
|
1702 /* check validity of how_to_add now. */
|
|
|
1703 decode_how_to_add_specification (how_to_add);
|
|
|
1704 /* and of tag_set. */
|
|
|
1705 tag_set = decode_specifier_tag_set (tag_set);
|
|
|
1706 /* and of locale. */
|
|
|
1707 locale = decode_locale_list (locale);
|
|
|
1708
|
|
|
1709 new_face = Ffind_face (new_name);
|
|
|
1710 if (NILP (new_face))
|
|
|
1711 {
|
|
|
1712 Lisp_Object temp;
|
|
|
1713
|
|
|
1714 CHECK_SYMBOL (new_name);
|
|
|
1715
|
|
|
1716 /* Create the new face with the same status as the old face. */
|
|
|
1717 temp = (NILP (Fgethash (old_face, Vtemporary_faces_cache, Qnil))
|
|
|
1718 ? Qnil
|
|
|
1719 : Qt);
|
|
|
1720
|
|
|
1721 new_face = Fmake_face (new_name, Qnil, temp);
|
|
|
1722 }
|
|
|
1723
|
|
|
1724 fold = XFACE (old_face);
|
|
|
1725 fnew = XFACE (new_face);
|
|
|
1726
|
|
|
1727 #define COPY_PROPERTY(property) \
|
|
|
1728 Fcopy_specifier (fold->property, fnew->property, \
|
|
|
1729 locale, tag_set, exact_p, how_to_add);
|
|
|
1730
|
|
|
1731 COPY_PROPERTY (foreground);
|
|
|
1732 COPY_PROPERTY (background);
|
|
|
1733 COPY_PROPERTY (font);
|
|
|
1734 COPY_PROPERTY (display_table);
|
|
|
1735 COPY_PROPERTY (background_pixmap);
|
|
|
1736 COPY_PROPERTY (underline);
|
|
|
1737 COPY_PROPERTY (strikethru);
|
|
|
1738 COPY_PROPERTY (highlight);
|
|
|
1739 COPY_PROPERTY (dim);
|
|
|
1740 COPY_PROPERTY (blinking);
|
|
|
1741 COPY_PROPERTY (reverse);
|
|
|
1742 #undef COPY_PROPERTY
|
|
|
1743 /* #### should it copy the individual specifiers, if they exist? */
|
|
|
1744 fnew->plist = Fcopy_sequence (fold->plist);
|
|
|
1745
|
|
|
1746 UNGCPRO;
|
|
|
1747
|
|
|
1748 return new_name;
|
|
|
1749 }
|
|
|
1750
|
|
|
1751
|
|
|
1752 void
|
|
|
1753 syms_of_faces (void)
|
|
|
1754 {
|
|
440
|
1755 /* Qdefault, Qwidget, Qleft_margin, Qright_margin defined in general.c */
|
|
428
|
1756 defsymbol (&Qmodeline, "modeline");
|
|
|
1757 defsymbol (&Qgui_element, "gui-element");
|
|
|
1758 defsymbol (&Qtext_cursor, "text-cursor");
|
|
|
1759 defsymbol (&Qvertical_divider, "vertical-divider");
|
|
|
1760
|
|
|
1761 DEFSUBR (Ffacep);
|
|
|
1762 DEFSUBR (Ffind_face);
|
|
|
1763 DEFSUBR (Fget_face);
|
|
|
1764 DEFSUBR (Fface_name);
|
|
|
1765 DEFSUBR (Fbuilt_in_face_specifiers);
|
|
|
1766 DEFSUBR (Fface_list);
|
|
|
1767 DEFSUBR (Fmake_face);
|
|
|
1768 DEFSUBR (Fcopy_face);
|
|
|
1769
|
|
|
1770 defsymbol (&Qfacep, "facep");
|
|
|
1771 defsymbol (&Qforeground, "foreground");
|
|
|
1772 defsymbol (&Qbackground, "background");
|
|
|
1773 /* Qfont defined in general.c */
|
|
|
1774 defsymbol (&Qdisplay_table, "display-table");
|
|
|
1775 defsymbol (&Qbackground_pixmap, "background-pixmap");
|
|
|
1776 defsymbol (&Qunderline, "underline");
|
|
|
1777 defsymbol (&Qstrikethru, "strikethru");
|
|
|
1778 /* Qhighlight, Qreverse defined in general.c */
|
|
|
1779 defsymbol (&Qdim, "dim");
|
|
|
1780 defsymbol (&Qblinking, "blinking");
|
|
|
1781
|
|
|
1782 defsymbol (&Qinit_face_from_resources, "init-face-from-resources");
|
|
|
1783 defsymbol (&Qinit_global_faces, "init-global-faces");
|
|
|
1784 defsymbol (&Qinit_device_faces, "init-device-faces");
|
|
|
1785 defsymbol (&Qinit_frame_faces, "init-frame-faces");
|
|
|
1786 }
|
|
|
1787
|
|
|
1788 void
|
|
|
1789 structure_type_create_faces (void)
|
|
|
1790 {
|
|
|
1791 struct structure_type *st;
|
|
|
1792
|
|
|
1793 st = define_structure_type (Qface, face_validate, face_instantiate);
|
|
|
1794
|
|
|
1795 define_structure_type_keyword (st, Qname, face_name_validate);
|
|
|
1796 }
|
|
|
1797
|
|
|
1798 void
|
|
|
1799 vars_of_faces (void)
|
|
|
1800 {
|
|
|
1801 staticpro (&Vpermanent_faces_cache);
|
|
|
1802 Vpermanent_faces_cache = Qnil;
|
|
|
1803 staticpro (&Vtemporary_faces_cache);
|
|
|
1804 Vtemporary_faces_cache = Qnil;
|
|
|
1805
|
|
|
1806 staticpro (&Vdefault_face);
|
|
|
1807 Vdefault_face = Qnil;
|
|
|
1808 staticpro (&Vgui_element_face);
|
|
|
1809 Vgui_element_face = Qnil;
|
|
|
1810 staticpro (&Vwidget_face);
|
|
|
1811 Vwidget_face = Qnil;
|
|
|
1812 staticpro (&Vmodeline_face);
|
|
|
1813 Vmodeline_face = Qnil;
|
|
|
1814 staticpro (&Vtoolbar_face);
|
|
|
1815 Vtoolbar_face = Qnil;
|
|
|
1816
|
|
|
1817 staticpro (&Vvertical_divider_face);
|
|
|
1818 Vvertical_divider_face = Qnil;
|
|
|
1819 staticpro (&Vleft_margin_face);
|
|
|
1820 Vleft_margin_face = Qnil;
|
|
|
1821 staticpro (&Vright_margin_face);
|
|
|
1822 Vright_margin_face = Qnil;
|
|
|
1823 staticpro (&Vtext_cursor_face);
|
|
|
1824 Vtext_cursor_face = Qnil;
|
|
|
1825 staticpro (&Vpointer_face);
|
|
|
1826 Vpointer_face = Qnil;
|
|
|
1827
|
|
|
1828 {
|
|
|
1829 Lisp_Object syms[20];
|
|
|
1830 int n = 0;
|
|
|
1831
|
|
|
1832 syms[n++] = Qforeground;
|
|
|
1833 syms[n++] = Qbackground;
|
|
|
1834 syms[n++] = Qfont;
|
|
|
1835 syms[n++] = Qdisplay_table;
|
|
|
1836 syms[n++] = Qbackground_pixmap;
|
|
|
1837 syms[n++] = Qunderline;
|
|
|
1838 syms[n++] = Qstrikethru;
|
|
|
1839 syms[n++] = Qhighlight;
|
|
|
1840 syms[n++] = Qdim;
|
|
|
1841 syms[n++] = Qblinking;
|
|
|
1842 syms[n++] = Qreverse;
|
|
|
1843
|
|
|
1844 Vbuilt_in_face_specifiers = Flist (n, syms);
|
|
|
1845 staticpro (&Vbuilt_in_face_specifiers);
|
|
|
1846 }
|
|
|
1847 }
|
|
|
1848
|
|
|
1849 void
|
|
|
1850 complex_vars_of_faces (void)
|
|
|
1851 {
|
|
|
1852 Vpermanent_faces_cache =
|
|
|
1853 make_lisp_hash_table (10, HASH_TABLE_NON_WEAK, HASH_TABLE_EQ);
|
|
|
1854 Vtemporary_faces_cache =
|
|
|
1855 make_lisp_hash_table (0, HASH_TABLE_WEAK, HASH_TABLE_EQ);
|
|
|
1856
|
|
|
1857 /* Create the default face now so we know what it is immediately. */
|
|
|
1858
|
|
|
1859 Vdefault_face = Qnil; /* so that Fmake_face() doesn't set up a bogus
|
|
|
1860 default value */
|
|
|
1861 Vdefault_face = Fmake_face (Qdefault, build_string ("default face"),
|
|
|
1862 Qnil);
|
|
|
1863
|
|
|
1864 /* Provide some last-resort fallbacks to avoid utter fuckage if
|
|
|
1865 someone provides invalid values for the global specifications. */
|
|
|
1866
|
|
|
1867 {
|
|
|
1868 Lisp_Object fg_fb = Qnil, bg_fb = Qnil;
|
|
|
1869
|
|
|
1870 #ifdef HAVE_X_WINDOWS
|
|
|
1871 fg_fb = acons (list1 (Qx), build_string ("black"), fg_fb);
|
|
|
1872 bg_fb = acons (list1 (Qx), build_string ("white"), bg_fb);
|
|
|
1873 #endif
|
|
|
1874 #ifdef HAVE_TTY
|
|
|
1875 fg_fb = acons (list1 (Qtty), Fvector (0, 0), fg_fb);
|
|
|
1876 bg_fb = acons (list1 (Qtty), Fvector (0, 0), bg_fb);
|
|
|
1877 #endif
|
|
|
1878 #ifdef HAVE_MS_WINDOWS
|
|
440
|
1879 fg_fb = acons (list1 (Qmsprinter), build_string ("black"), fg_fb);
|
|
|
1880 bg_fb = acons (list1 (Qmsprinter), build_string ("white"), bg_fb);
|
|
428
|
1881 fg_fb = acons (list1 (Qmswindows), build_string ("black"), fg_fb);
|
|
|
1882 bg_fb = acons (list1 (Qmswindows), build_string ("white"), bg_fb);
|
|
|
1883 #endif
|
|
|
1884 set_specifier_fallback (Fget (Vdefault_face, Qforeground, Qnil), fg_fb);
|
|
|
1885 set_specifier_fallback (Fget (Vdefault_face, Qbackground, Qnil), bg_fb);
|
|
|
1886 }
|
|
|
1887
|
|
|
1888 /* #### We may want to have different fallback values if NeXTstep
|
|
|
1889 support is compiled in. */
|
|
|
1890 {
|
|
|
1891 Lisp_Object inst_list = Qnil;
|
|
|
1892 #ifdef HAVE_X_WINDOWS
|
|
|
1893 /* The same gory list from x-faces.el.
|
|
|
1894 (#### Perhaps we should remove the stuff from x-faces.el
|
|
|
1895 and only depend on this stuff here? That should work.)
|
|
|
1896 */
|
|
|
1897 CONST char *fonts[] =
|
|
|
1898 {
|
|
|
1899 "-*-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-*",
|
|
|
1900 "-*-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-*",
|
|
|
1901 "-*-courier-*-r-*-*-*-120-*-*-*-*-iso8859-*",
|
|
|
1902 "-*-*-medium-r-*-*-*-120-*-*-m-*-iso8859-*",
|
|
|
1903 "-*-*-medium-r-*-*-*-120-*-*-c-*-iso8859-*",
|
|
|
1904 "-*-*-*-r-*-*-*-120-*-*-m-*-iso8859-*",
|
|
|
1905 "-*-*-*-r-*-*-*-120-*-*-c-*-iso8859-*",
|
|
|
1906 "-*-*-*-r-*-*-*-120-*-*-*-*-iso8859-*",
|
|
|
1907 "-*-*-medium-r-*-*-*-120-*-*-m-*-*-*",
|
|
|
1908 "-*-*-medium-r-*-*-*-120-*-*-c-*-*-*",
|
|
|
1909 "-*-*-*-r-*-*-*-120-*-*-m-*-*-*",
|
|
|
1910 "-*-*-*-r-*-*-*-120-*-*-c-*-*-*",
|
|
|
1911 "-*-*-*-r-*-*-*-120-*-*-*-*-*-*",
|
|
|
1912 "-*-*-*-*-*-*-*-120-*-*-*-*-*-*",
|
|
|
1913 "*"
|
|
|
1914 };
|
|
|
1915 CONST char **fontptr;
|
|
|
1916
|
|
|
1917 for (fontptr = fonts + countof(fonts) - 1; fontptr >= fonts; fontptr--)
|
|
|
1918 inst_list = Fcons (Fcons (list1 (Qx), build_string (*fontptr)),
|
|
|
1919 inst_list);
|
|
|
1920 #endif /* HAVE_X_WINDOWS */
|
|
|
1921
|
|
|
1922 #ifdef HAVE_TTY
|
|
|
1923 inst_list = Fcons (Fcons (list1 (Qtty), build_string ("normal")),
|
|
|
1924 inst_list);
|
|
|
1925 #endif /* HAVE_TTY */
|
|
|
1926 #ifdef HAVE_MS_WINDOWS
|
|
440
|
1927 /* Fixedsys does not exist for printers */
|
|
|
1928 inst_list = Fcons (Fcons (list1 (Qmsprinter),
|
|
|
1929 build_string ("Courier:Regular:10::Western")), inst_list);
|
|
|
1930 inst_list = Fcons (Fcons (list1 (Qmsprinter),
|
|
|
1931 build_string ("Courier New:Regular:10::Western")), inst_list);
|
|
|
1932
|
|
428
|
1933 inst_list = Fcons (Fcons (list1 (Qmswindows),
|
|
|
1934 build_string ("Fixedsys:Regular:9::Western")), inst_list);
|
|
|
1935 inst_list = Fcons (Fcons (list1 (Qmswindows),
|
|
|
1936 build_string ("Courier:Regular:10::Western")), inst_list);
|
|
|
1937 inst_list = Fcons (Fcons (list1 (Qmswindows),
|
|
|
1938 build_string ("Courier New:Regular:10::Western")), inst_list);
|
|
|
1939 #endif /* HAVE_MS_WINDOWS */
|
|
|
1940 set_specifier_fallback (Fget (Vdefault_face, Qfont, Qnil), inst_list);
|
|
|
1941 }
|
|
|
1942
|
|
|
1943 set_specifier_fallback (Fget (Vdefault_face, Qunderline, Qnil),
|
|
|
1944 list1 (Fcons (Qnil, Qnil)));
|
|
|
1945 set_specifier_fallback (Fget (Vdefault_face, Qstrikethru, Qnil),
|
|
|
1946 list1 (Fcons (Qnil, Qnil)));
|
|
|
1947 set_specifier_fallback (Fget (Vdefault_face, Qhighlight, Qnil),
|
|
|
1948 list1 (Fcons (Qnil, Qnil)));
|
|
|
1949 set_specifier_fallback (Fget (Vdefault_face, Qdim, Qnil),
|
|
|
1950 list1 (Fcons (Qnil, Qnil)));
|
|
|
1951 set_specifier_fallback (Fget (Vdefault_face, Qblinking, Qnil),
|
|
|
1952 list1 (Fcons (Qnil, Qnil)));
|
|
|
1953 set_specifier_fallback (Fget (Vdefault_face, Qreverse, Qnil),
|
|
|
1954 list1 (Fcons (Qnil, Qnil)));
|
|
|
1955
|
|
|
1956 /* gui-element is the parent face of all gui elements such as
|
|
|
1957 modeline, vertical divider and toolbar. */
|
|
|
1958 Vgui_element_face = Fmake_face (Qgui_element,
|
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1959 build_string ("gui element face"),
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1960 Qnil);
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1961
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1962 /* Provide some last-resort fallbacks for gui-element face which
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1963 mustn't default to default. */
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1964 {
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1965 Lisp_Object fg_fb = Qnil, bg_fb = Qnil;
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1966
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1967 #ifdef HAVE_X_WINDOWS
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1968 fg_fb = acons (list1 (Qx), build_string ("black"), fg_fb);
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1969 bg_fb = acons (list1 (Qx), build_string ("Gray80"), bg_fb);
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1970 #endif
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1971 #ifdef HAVE_TTY
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1972 fg_fb = acons (list1 (Qtty), Fvector (0, 0), fg_fb);
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1973 bg_fb = acons (list1 (Qtty), Fvector (0, 0), bg_fb);
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1974 #endif
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1975 #ifdef HAVE_MS_WINDOWS
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440
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1976 fg_fb = acons (list1 (Qmsprinter), build_string ("black"), fg_fb);
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1977 bg_fb = acons (list1 (Qmsprinter), build_string ("white"), bg_fb);
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428
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1978 fg_fb = acons (list1 (Qmswindows), build_string ("black"), fg_fb);
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1979 bg_fb = acons (list1 (Qmswindows), build_string ("Gray75"), bg_fb);
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1980 #endif
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1981 set_specifier_fallback (Fget (Vgui_element_face, Qforeground, Qnil), fg_fb);
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1982 set_specifier_fallback (Fget (Vgui_element_face, Qbackground, Qnil), bg_fb);
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1983 }
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1984
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1985 /* Now create the other faces that redisplay needs to refer to
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1986 directly. We could create them in Lisp but it's simpler this
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1987 way since we need to get them anyway. */
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1988
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1989 /* modeline is gui element. */
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1990 Vmodeline_face = Fmake_face (Qmodeline, build_string ("modeline face"),
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1991 Qnil);
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1992
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1993 set_specifier_fallback (Fget (Vmodeline_face, Qforeground, Qunbound),
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1994 Fget (Vgui_element_face, Qforeground, Qunbound));
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1995 set_specifier_fallback (Fget (Vmodeline_face, Qbackground, Qunbound),
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1996 Fget (Vgui_element_face, Qbackground, Qunbound));
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1997 set_specifier_fallback (Fget (Vmodeline_face, Qbackground_pixmap, Qnil),
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1998 Fget (Vgui_element_face, Qbackground_pixmap,
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1999 Qunbound));
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2000
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2001 /* toolbar is another gui element */
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2002 Vtoolbar_face = Fmake_face (Qtoolbar,
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2003 build_string ("toolbar face"),
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2004 Qnil);
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2005 set_specifier_fallback (Fget (Vtoolbar_face, Qforeground, Qunbound),
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2006 Fget (Vgui_element_face, Qforeground, Qunbound));
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2007 set_specifier_fallback (Fget (Vtoolbar_face, Qbackground, Qunbound),
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2008 Fget (Vgui_element_face, Qbackground, Qunbound));
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2009 set_specifier_fallback (Fget (Vtoolbar_face, Qbackground_pixmap, Qnil),
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2010 Fget (Vgui_element_face, Qbackground_pixmap,
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2011 Qunbound));
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2012
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2013 /* vertical divider is another gui element */
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2014 Vvertical_divider_face = Fmake_face (Qvertical_divider,
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2015 build_string ("vertical divider face"),
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2016 Qnil);
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2017
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2018 set_specifier_fallback (Fget (Vvertical_divider_face, Qforeground, Qunbound),
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2019 Fget (Vgui_element_face, Qforeground, Qunbound));
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2020 set_specifier_fallback (Fget (Vvertical_divider_face, Qbackground, Qunbound),
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2021 Fget (Vgui_element_face, Qbackground, Qunbound));
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2022 set_specifier_fallback (Fget (Vvertical_divider_face, Qbackground_pixmap,
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2023 Qunbound),
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2024 Fget (Vgui_element_face, Qbackground_pixmap,
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2025 Qunbound));
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2026
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2027 /* widget is another gui element */
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2028 Vwidget_face = Fmake_face (Qwidget,
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2029 build_string ("widget face"),
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2030 Qnil);
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2031 set_specifier_fallback (Fget (Vwidget_face, Qforeground, Qunbound),
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2032 Fget (Vgui_element_face, Qforeground, Qunbound));
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2033 set_specifier_fallback (Fget (Vwidget_face, Qbackground, Qunbound),
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2034 Fget (Vgui_element_face, Qbackground, Qunbound));
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2035 set_specifier_fallback (Fget (Vwidget_face, Qbackground_pixmap, Qnil),
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2036 Fget (Vgui_element_face, Qbackground_pixmap,
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2037 Qunbound));
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2038
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2039 Vleft_margin_face = Fmake_face (Qleft_margin,
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2040 build_string ("left margin face"),
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2041 Qnil);
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2042 Vright_margin_face = Fmake_face (Qright_margin,
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2043 build_string ("right margin face"),
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2044 Qnil);
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2045 Vtext_cursor_face = Fmake_face (Qtext_cursor,
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2046 build_string ("face for text cursor"),
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2047 Qnil);
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2048 Vpointer_face =
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2049 Fmake_face (Qpointer,
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2050 build_string
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2051 ("face for foreground/background colors of mouse pointer"),
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2052 Qnil);
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2053 }
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