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0
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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 "hash.h"
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40 #include "objects.h"
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41 #include "specifier.h"
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42 #include "window.h"
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43
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44 #ifdef HAVE_X_WINDOWS
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45 #include "console-x.h"
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46 #include "objects-x.h"
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47 #include "EmacsFrame.h"
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48 #endif /* HAVE_X_WINDOWS */
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49
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50 #ifdef HAVE_NEXTSTEP
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51 #include "console-ns.h"
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52 #include "objects-ns.h"
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53 #endif /* HAVE_NEXTSTEP */
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54
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55 /* Qfont, Qdoc_string, Qface defined in general.c */
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56 Lisp_Object Qfacep;
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57 Lisp_Object Qforeground, Qbackground, Qdisplay_table;
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58 /* Qhighlight, Qreverse defined in general.c */
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59 Lisp_Object Qbackground_pixmap, Qunderline, Qdim;
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60 Lisp_Object Qblinking, Qstrikethru;
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61
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62 Lisp_Object Qinit_face_from_resources;
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63 Lisp_Object Qinit_frame_faces;
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64 Lisp_Object Qinit_device_faces;
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65 Lisp_Object Qinit_global_faces;
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66
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67 /* These faces are used directly internally. We use these variables
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68 to be able to reference them directly and save the overhead of
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69 calling Ffind_face. */
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70 Lisp_Object Vdefault_face, Vmodeline_face;
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71 Lisp_Object Vleft_margin_face, Vright_margin_face, Vtext_cursor_face;
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72 Lisp_Object Vpointer_face;
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73
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74 /* Qdefault, Qhighlight defined in general.c */
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75 Lisp_Object Qmodeline, Qleft_margin, Qright_margin, Qtext_cursor;
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76
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77 /* In the old implementation Vface_list was a list of the face names,
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78 not the faces themselves. We now distinguish between permanent and
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79 temporary faces. Permanent faces are kept in a regular hash table,
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80 temporary faces in a weak hash table. */
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81 Lisp_Object Vpermanent_faces_cache;
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82 Lisp_Object Vtemporary_faces_cache;
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83
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84 Lisp_Object Vbuilt_in_face_specifiers;
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85
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86
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87 static Lisp_Object mark_face (Lisp_Object, void (*) (Lisp_Object));
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88 static void print_face (Lisp_Object, Lisp_Object, int);
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89 static int face_equal (Lisp_Object, Lisp_Object, int depth);
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90 static unsigned long face_hash (Lisp_Object obj, int depth);
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91 static Lisp_Object face_getprop (Lisp_Object obj, Lisp_Object prop);
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92 static int face_putprop (Lisp_Object obj, Lisp_Object prop, Lisp_Object value);
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93 static int face_remprop (Lisp_Object obj, Lisp_Object prop);
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94 static Lisp_Object face_plist (Lisp_Object obj);
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95 DEFINE_LRECORD_IMPLEMENTATION_WITH_PROPS ("face", face,
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96 mark_face, print_face, 0, face_equal,
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97 face_hash, face_getprop,
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98 face_putprop, face_remprop,
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99 face_plist, struct Lisp_Face);
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100
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101 static Lisp_Object
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102 mark_face (Lisp_Object obj, void (*markobj) (Lisp_Object))
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103 {
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104 struct Lisp_Face *face = XFACE (obj);
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105
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106 ((markobj) (face->name));
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107 ((markobj) (face->doc_string));
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108
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109 ((markobj) (face->foreground));
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110 ((markobj) (face->background));
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111 ((markobj) (face->font));
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112 ((markobj) (face->display_table));
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113 ((markobj) (face->background_pixmap));
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114 ((markobj) (face->underline));
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115 ((markobj) (face->strikethru));
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116 ((markobj) (face->highlight));
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117 ((markobj) (face->dim));
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118 ((markobj) (face->blinking));
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119 ((markobj) (face->reverse));
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120
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121 ((markobj) (face->charsets_warned_about));
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122
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123 return (face->plist);
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124 }
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125
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126 static void
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127 print_face (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
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128 {
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129 struct Lisp_Face *face = XFACE (obj);
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130
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131 if (print_readably)
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132 {
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133 write_c_string ("#s(face name ", printcharfun);
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134 print_internal (face->name, printcharfun, 1);
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135 write_c_string (")", printcharfun);
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136 }
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137 else
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138 {
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139 write_c_string ("#<face ", printcharfun);
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140 print_internal (face->name, printcharfun, 1);
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141 if (!NILP (face->doc_string))
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142 {
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143 write_c_string (" ", printcharfun);
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144 print_internal (face->doc_string, printcharfun, 1);
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145 }
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146 write_c_string (">", printcharfun);
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147 }
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148 }
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149
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150 /* Faces are equal if all of their display attributes are equal. We
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151 don't compare names or doc-strings, because that would make equal
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152 be eq.
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153
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154 This isn't concerned with "unspecified" attributes, that's what
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155 #'face-differs-from-default-p is for. */
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156 static int
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157 face_equal (Lisp_Object o1, Lisp_Object o2, int depth)
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158 {
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159 struct Lisp_Face *f1 = XFACE (o1);
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160 struct Lisp_Face *f2 = XFACE (o2);
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161
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162 depth++;
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163
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164 if (!internal_equal (f1->foreground, f2->foreground, depth) ||
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165 !internal_equal (f1->background, f2->background, depth) ||
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166 !internal_equal (f1->font, f2->font, depth) ||
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167 !internal_equal (f1->display_table, f2->display_table, depth) ||
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168 !internal_equal (f1->background_pixmap, f2->background_pixmap, depth) ||
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169 !internal_equal (f1->underline, f2->underline, depth) ||
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170 !internal_equal (f1->strikethru, f2->strikethru, depth) ||
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171 !internal_equal (f1->highlight, f2->highlight, depth) ||
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172 !internal_equal (f1->dim, f2->dim, depth) ||
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173 !internal_equal (f1->blinking, f2->blinking, depth) ||
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174 !internal_equal (f1->reverse, f2->reverse, depth) ||
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175 plists_differ (f1->plist, f2->plist, 0, 0, depth + 1))
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176 return 0;
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177
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178 return 1;
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179 }
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180
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181 static unsigned long
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182 face_hash (Lisp_Object obj, int depth)
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183 {
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184 struct Lisp_Face *f = XFACE (obj);
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185
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186 depth++;
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187
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188 /* No need to hash all of the elements; that would take too long.
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189 Just hash the most common ones. */
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190 return HASH3 (internal_hash (f->foreground, depth),
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191 internal_hash (f->background, depth),
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192 internal_hash (f->font, depth));
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193 }
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194
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195 static Lisp_Object
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196 face_getprop (Lisp_Object obj, Lisp_Object prop)
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197 {
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198 struct Lisp_Face *f = XFACE (obj);
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199
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200 #define FROB(propprop) \
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201 do { \
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202 if (EQ (prop, Q##propprop)) \
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203 { \
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204 return f->propprop; \
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205 } \
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206 } while (0)
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207
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208 FROB (foreground);
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209 FROB (background);
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210 FROB (font);
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211 FROB (display_table);
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212 FROB (background_pixmap);
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213 FROB (underline);
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214 FROB (strikethru);
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215 FROB (highlight);
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216 FROB (dim);
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217 FROB (blinking);
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218 FROB (reverse);
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219 FROB (doc_string);
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220
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221 #undef FROB
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222
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223 return external_plist_get (&f->plist, prop, 0, ERROR_ME);
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224 }
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225
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226 static int
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227 face_putprop (Lisp_Object obj, Lisp_Object prop, Lisp_Object value)
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228 {
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229 struct Lisp_Face *f = XFACE (obj);
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230
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231 #define FROB(propprop) \
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232 do { \
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233 if (EQ (prop, Q##propprop)) \
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234 return 0; \
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235 } while (0)
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236
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237 FROB (foreground);
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238 FROB (background);
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239 FROB (font);
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240 FROB (display_table);
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241 FROB (background_pixmap);
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242 FROB (underline);
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243 FROB (strikethru);
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244 FROB (highlight);
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245 FROB (dim);
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246 FROB (blinking);
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247 FROB (reverse);
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248
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249 #undef FROB
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250
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251 if (EQ (prop, Qdoc_string))
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252 {
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253 if (!NILP (value))
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254 CHECK_STRING (value);
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255 f->doc_string = value;
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256 return 1;
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257 }
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258
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259 external_plist_put (&f->plist, prop, value, 0, ERROR_ME);
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260 return 1;
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261 }
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262
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263 static int
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264 face_remprop (Lisp_Object obj, Lisp_Object prop)
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265 {
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266 struct Lisp_Face *f = XFACE (obj);
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267
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268 #define FROB(propprop) \
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269 do { \
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270 if (EQ (prop, Q##propprop)) \
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271 return -1; \
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272 } while (0)
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273
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274 FROB (foreground);
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275 FROB (background);
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276 FROB (font);
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277 FROB (display_table);
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278 FROB (background_pixmap);
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279 FROB (underline);
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280 FROB (strikethru);
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281 FROB (highlight);
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282 FROB (dim);
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283 FROB (blinking);
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284 FROB (reverse);
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285
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286 #undef FROB
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287
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288 if (EQ (prop, Qdoc_string))
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289 {
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290 f->doc_string = Qnil;
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291 return 1;
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292 }
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293
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294 return external_remprop (&f->plist, prop, 0, ERROR_ME);
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295 }
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296
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297 static Lisp_Object
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298 face_plist (Lisp_Object obj)
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299 {
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300 struct Lisp_Face *f = XFACE (obj);
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301 Lisp_Object result = Qnil;
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302
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303 #define FROB(propprop) \
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304 do { \
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305 /* backwards order; we reverse it below */ \
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306 result = Fcons (f->propprop, Fcons (Q##propprop, result)); \
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307 } while (0)
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308
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309 FROB (foreground);
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310 FROB (background);
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311 FROB (font);
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312 FROB (display_table);
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313 FROB (background_pixmap);
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314 FROB (underline);
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315 FROB (strikethru);
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316 FROB (highlight);
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317 FROB (dim);
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318 FROB (blinking);
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319 FROB (reverse);
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320
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321 #undef FROB
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322 return nconc2 (Fnreverse (result), f->plist);
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323 }
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324
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325
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326 /************************************************************************/
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327 /* face read syntax */
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328 /************************************************************************/
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329
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330 static int
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331 face_name_validate (Lisp_Object keyword, Lisp_Object value,
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332 Error_behavior errb)
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333 {
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334 if (ERRB_EQ (errb, ERROR_ME))
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335 {
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336 CHECK_SYMBOL (value);
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337 return 1;
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338 }
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339
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340 return SYMBOLP (value);
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341 }
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342
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343 static int
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344 face_validate (Lisp_Object data, Error_behavior errb)
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345 {
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346 int name_seen = 0;
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347 Lisp_Object valw;
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348
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349 data = Fcdr (data); /* skip over Qface */
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350 while (!NILP (data))
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351 {
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352 Lisp_Object keyw = Fcar (data);
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353
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354 data = Fcdr (data);
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355 valw = Fcar (data);
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356 data = Fcdr (data);
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357 if (EQ (keyw, Qname))
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358 {
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359 if (name_seen)
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360 {
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361 maybe_signal_simple_error ("Duplicate face name given", valw,
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362 Qface, errb);
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363 return 0;
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364 }
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365 name_seen = 1;
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366 }
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367 else
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368 abort ();
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369 }
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370
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371 if (!name_seen)
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372 {
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373 maybe_error (Qface, errb, "No face name given");
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374 return 0;
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375 }
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376
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377 if (NILP (Ffind_face (valw)))
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378 {
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379 maybe_signal_simple_error ("No such face", valw, Qface, errb);
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380 return 0;
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381 }
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382
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383 return 1;
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384 }
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385
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386 static Lisp_Object
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387 face_instantiate (Lisp_Object data)
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388 {
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389 return Fget_face (Fcar (Fcdr (data)));
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390 }
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391
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392
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393 /****************************************************************************
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394 * utility functions *
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395 ****************************************************************************/
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396
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397 static void
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398 reset_face (struct Lisp_Face *f)
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399 {
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400 f->name = Qnil;
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401 f->doc_string = Qnil;
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402 f->dirty = 0;
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403 f->foreground = Qnil;
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404 f->background = Qnil;
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405 f->font = Qnil;
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406 f->display_table = Qnil;
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407 f->background_pixmap = Qnil;
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408 f->underline = Qnil;
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409 f->strikethru = Qnil;
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410 f->highlight = Qnil;
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411 f->dim = Qnil;
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412 f->blinking = Qnil;
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413 f->reverse = Qnil;
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414 f->plist = Qnil;
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415 f->charsets_warned_about = Qnil;
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416 }
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417
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418 static struct Lisp_Face *
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419 allocate_face (void)
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420 {
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421 struct Lisp_Face *result =
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422 alloc_lcrecord (sizeof (struct Lisp_Face), lrecord_face);
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423
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424 reset_face (result);
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425 return result;
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426 }
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427
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|
|
428
|
|
|
429 /* We store the faces in hash tables with the names as the key and the
|
|
|
430 actual face object as the value. Occasionally we need to use them
|
|
|
431 in a list format. These routines provide us with that. */
|
|
|
432 struct face_list_closure
|
|
|
433 {
|
|
|
434 Lisp_Object *face_list;
|
|
|
435 };
|
|
|
436
|
|
|
437 static void
|
|
|
438 add_face_to_list_mapper (CONST void *hash_key, void *hash_contents,
|
|
|
439 void *face_list_closure)
|
|
|
440 {
|
|
|
441 /* This function can GC */
|
|
|
442 Lisp_Object key, contents;
|
|
|
443 Lisp_Object *face_list;
|
|
|
444 struct face_list_closure *fcl = face_list_closure;
|
|
|
445 CVOID_TO_LISP (key, hash_key);
|
|
|
446 VOID_TO_LISP (contents, hash_contents);
|
|
|
447 face_list = fcl->face_list;
|
|
|
448
|
|
|
449 *face_list = Fcons (XFACE (contents)->name, *face_list);
|
|
|
450 }
|
|
|
451
|
|
|
452 static Lisp_Object
|
|
|
453 faces_list_internal (Lisp_Object list)
|
|
|
454 {
|
|
|
455 Lisp_Object face_list = Qnil;
|
|
|
456 struct gcpro gcpro1;
|
|
|
457 struct face_list_closure face_list_closure;
|
|
|
458
|
|
|
459 GCPRO1 (face_list);
|
|
|
460 face_list_closure.face_list = &face_list;
|
|
|
461 elisp_maphash (add_face_to_list_mapper, list, &face_list_closure);
|
|
|
462 UNGCPRO;
|
|
|
463
|
|
|
464 return face_list;
|
|
|
465 }
|
|
|
466
|
|
|
467 static Lisp_Object
|
|
|
468 permanent_faces_list (void)
|
|
|
469 {
|
|
|
470 return faces_list_internal (Vpermanent_faces_cache);
|
|
|
471 }
|
|
|
472
|
|
|
473 static Lisp_Object
|
|
|
474 temporary_faces_list (void)
|
|
|
475 {
|
|
|
476 return faces_list_internal (Vtemporary_faces_cache);
|
|
|
477 }
|
|
|
478
|
|
|
479
|
|
|
480 static void
|
|
|
481 mark_face_as_clean_mapper (CONST void *hash_key, void *hash_contents,
|
|
|
482 void *flag_closure)
|
|
|
483 {
|
|
|
484 /* This function can GC */
|
|
|
485 Lisp_Object key, contents;
|
|
|
486 int *flag = flag_closure;
|
|
|
487 CVOID_TO_LISP (key, hash_key);
|
|
|
488 VOID_TO_LISP (contents, hash_contents);
|
|
|
489 XFACE (contents)->dirty = *flag;
|
|
|
490 }
|
|
|
491
|
|
|
492 static void
|
|
|
493 mark_all_faces_internal (int flag)
|
|
|
494 {
|
|
|
495 elisp_maphash (mark_face_as_clean_mapper, Vpermanent_faces_cache, &flag);
|
|
|
496 elisp_maphash (mark_face_as_clean_mapper, Vtemporary_faces_cache, &flag);
|
|
|
497 }
|
|
|
498
|
|
|
499 void
|
|
|
500 mark_all_faces_as_clean (void)
|
|
|
501 {
|
|
|
502 mark_all_faces_internal (0);
|
|
|
503 }
|
|
|
504
|
|
|
505 /* #### OBSOLETE ME, PLEASE. Maybe. Maybe this is just as good as
|
|
|
506 any other solution. */
|
|
|
507 struct face_inheritance_closure
|
|
|
508 {
|
|
|
509 Lisp_Object face;
|
|
|
510 Lisp_Object property;
|
|
|
511 };
|
|
|
512
|
|
|
513 static void
|
|
|
514 update_inheritance_mapper_internal (Lisp_Object cur_face,
|
|
|
515 Lisp_Object inh_face,
|
|
|
516 Lisp_Object property)
|
|
|
517 {
|
|
|
518 /* #### fix this function */
|
|
|
519 Lisp_Object elt = Qnil;
|
|
|
520 struct gcpro gcpro1;
|
|
|
521
|
|
|
522 GCPRO1 (elt);
|
|
|
523
|
|
|
524 for (elt = FACE_PROPERTY_SPEC_LIST (cur_face, property, Qall);
|
|
|
525 !NILP (elt);
|
|
|
526 elt = XCDR (elt))
|
|
|
527 {
|
|
|
528 Lisp_Object locale, values;
|
|
|
529
|
|
|
530 locale = XCAR (XCAR (elt));
|
|
|
531 values = XCDR (XCAR (elt));
|
|
|
532
|
|
|
533 for (; !NILP (values); values = XCDR (values))
|
|
|
534 {
|
|
|
535 Lisp_Object value = XCDR (XCAR (values));
|
|
|
536 if (VECTORP (value) && XVECTOR (value)->size)
|
|
|
537 {
|
|
|
538 if (EQ (Ffind_face (vector_data (XVECTOR (value))[0]), inh_face))
|
|
|
539 Fset_specifier_dirty_flag
|
|
|
540 (FACE_PROPERTY_SPECIFIER (inh_face, property));
|
|
|
541 }
|
|
|
542 }
|
|
|
543 }
|
|
|
544
|
|
|
545 UNGCPRO;
|
|
|
546 }
|
|
|
547
|
|
|
548 static void
|
|
|
549 update_face_inheritance_mapper (CONST void *hash_key, void *hash_contents,
|
|
|
550 void *face_inheritance_closure)
|
|
|
551 {
|
|
|
552 Lisp_Object key, contents;
|
|
|
553 struct face_inheritance_closure *fcl = face_inheritance_closure;
|
|
|
554
|
|
|
555 CVOID_TO_LISP (key, hash_key);
|
|
|
556 VOID_TO_LISP (contents, hash_contents);
|
|
|
557
|
|
|
558 if (EQ (fcl->property, Qfont))
|
|
|
559 {
|
|
|
560 update_inheritance_mapper_internal (contents, fcl->face, Qfont);
|
|
|
561 }
|
|
|
562 else if (EQ (fcl->property, Qforeground)
|
|
|
563 || EQ (fcl->property, Qbackground))
|
|
|
564 {
|
|
|
565 update_inheritance_mapper_internal (contents, fcl->face, Qforeground);
|
|
|
566 update_inheritance_mapper_internal (contents, fcl->face, Qbackground);
|
|
|
567 }
|
|
|
568 else if (EQ (fcl->property, Qunderline)
|
|
|
569 || EQ (fcl->property, Qstrikethru)
|
|
|
570 || EQ (fcl->property, Qhighlight)
|
|
|
571 || EQ (fcl->property, Qdim)
|
|
|
572 || EQ (fcl->property, Qblinking)
|
|
|
573 || EQ (fcl->property, Qreverse))
|
|
|
574 {
|
|
|
575 update_inheritance_mapper_internal (contents, fcl->face, Qunderline);
|
|
|
576 update_inheritance_mapper_internal (contents, fcl->face, Qstrikethru);
|
|
|
577 update_inheritance_mapper_internal (contents, fcl->face, Qhighlight);
|
|
|
578 update_inheritance_mapper_internal (contents, fcl->face, Qdim);
|
|
|
579 update_inheritance_mapper_internal (contents, fcl->face, Qblinking);
|
|
|
580 update_inheritance_mapper_internal (contents, fcl->face, Qreverse);
|
|
|
581 }
|
|
|
582 }
|
|
|
583
|
|
|
584 static void
|
|
|
585 update_faces_inheritance (Lisp_Object face, Lisp_Object property)
|
|
|
586 {
|
|
|
587 struct face_inheritance_closure face_inheritance_closure;
|
|
|
588 struct gcpro gcpro1, gcpro2;
|
|
|
589
|
|
|
590 GCPRO2 (face, property);
|
|
|
591 face_inheritance_closure.face = face;
|
|
|
592 face_inheritance_closure.property = property;
|
|
|
593
|
|
|
594 elisp_maphash (update_face_inheritance_mapper, Vpermanent_faces_cache,
|
|
|
595 &face_inheritance_closure);
|
|
|
596 elisp_maphash (update_face_inheritance_mapper, Vtemporary_faces_cache,
|
|
|
597 &face_inheritance_closure);
|
|
|
598
|
|
|
599 UNGCPRO;
|
|
|
600 }
|
|
|
601
|
|
|
602 Lisp_Object
|
|
|
603 face_property_matching_instance (Lisp_Object face, Lisp_Object property,
|
|
|
604 Lisp_Object charset, Lisp_Object domain,
|
|
|
605 Error_behavior errb, int no_fallback,
|
|
|
606 Lisp_Object depth)
|
|
|
607 {
|
|
|
608 Lisp_Object retval =
|
|
|
609 specifier_instance_no_quit (Fget (face, property, Qnil), charset,
|
|
|
610 domain, errb, no_fallback, depth);
|
|
|
611
|
|
|
612 if (UNBOUNDP (retval) && !no_fallback)
|
|
|
613 {
|
|
|
614 if (EQ (property, Qfont))
|
|
|
615 {
|
|
|
616 if (NILP (memq_no_quit (charset,
|
|
|
617 XFACE (face)->charsets_warned_about)))
|
|
|
618 {
|
|
70
|
619 #ifdef MULE
|
|
|
620 warn_when_safe
|
|
|
621 (Qfont, Qwarning,
|
|
|
622 "Unable to instantiate font for face %s, charset %s",
|
|
|
623 string_data (symbol_name
|
|
|
624 (XSYMBOL (XFACE (face)->name))),
|
|
|
625 string_data (symbol_name
|
|
|
626 (XSYMBOL (XCHARSET_NAME (charset)))));
|
|
|
627 #else
|
|
0
|
628 warn_when_safe (Qfont, Qwarning,
|
|
|
629 "Unable to instantiate font for face %s",
|
|
|
630 string_data (symbol_name
|
|
|
631 (XSYMBOL (XFACE (face)->name))));
|
|
70
|
632 #endif
|
|
0
|
633 XFACE (face)->charsets_warned_about =
|
|
|
634 Fcons (charset, XFACE (face)->charsets_warned_about);
|
|
|
635 }
|
|
|
636 retval = Vthe_null_font_instance;
|
|
|
637 }
|
|
|
638 }
|
|
|
639
|
|
|
640 return retval;
|
|
|
641 }
|
|
|
642
|
|
|
643
|
|
20
|
644 DEFUN ("facep", Ffacep, 1, 1, 0, /*
|
|
0
|
645 Return non-nil if OBJECT is a face.
|
|
20
|
646 */
|
|
|
647 (object))
|
|
0
|
648 {
|
|
|
649 return (FACEP (object) ? Qt : Qnil);
|
|
|
650 }
|
|
|
651
|
|
20
|
652 DEFUN ("find-face", Ffind_face, 1, 1, 0, /*
|
|
0
|
653 Retrieve the face of the given name.
|
|
|
654 If FACE-OR-NAME is a face object, it is simply returned.
|
|
|
655 Otherwise, FACE-OR-NAME should be a symbol. If there is no such face,
|
|
|
656 nil is returned. Otherwise the associated face object is returned.
|
|
20
|
657 */
|
|
|
658 (face_or_name))
|
|
0
|
659 {
|
|
|
660 Lisp_Object retval;
|
|
|
661
|
|
|
662 if (FACEP (face_or_name))
|
|
|
663 return face_or_name;
|
|
|
664 CHECK_SYMBOL (face_or_name);
|
|
|
665
|
|
|
666 /* Check if the name represents a permanent face. */
|
|
|
667 retval = Fgethash (face_or_name, Vpermanent_faces_cache, Qnil);
|
|
|
668 if (!NILP (retval))
|
|
|
669 return retval;
|
|
|
670
|
|
|
671 /* Check if the name represents a temporary face. */
|
|
|
672 return Fgethash (face_or_name, Vtemporary_faces_cache, Qnil);
|
|
|
673 }
|
|
|
674
|
|
20
|
675 DEFUN ("get-face", Fget_face, 1, 1, 0, /*
|
|
0
|
676 Retrieve the face of the given name.
|
|
|
677 Same as `find-face' except an error is signalled if there is no such
|
|
|
678 face instead of returning nil.
|
|
20
|
679 */
|
|
|
680 (name))
|
|
0
|
681 {
|
|
|
682 Lisp_Object face = Ffind_face (name);
|
|
|
683
|
|
|
684 if (NILP (face))
|
|
|
685 signal_simple_error ("No such face", name);
|
|
|
686 return face;
|
|
|
687 }
|
|
|
688
|
|
20
|
689 DEFUN ("face-name", Fface_name, 1, 1, 0, /*
|
|
0
|
690 Return the name of the given face.
|
|
20
|
691 */
|
|
|
692 (face))
|
|
0
|
693 {
|
|
|
694 return (XFACE (Fget_face (face))->name);
|
|
|
695 }
|
|
|
696
|
|
20
|
697 DEFUN ("built-in-face-specifiers", Fbuilt_in_face_specifiers, 0, 0, 0, /*
|
|
0
|
698 Return a list of all built-in face specifier properties.
|
|
|
699 Don't modify this list!
|
|
20
|
700 */
|
|
|
701 ())
|
|
0
|
702 {
|
|
|
703 return Vbuilt_in_face_specifiers;
|
|
|
704 }
|
|
|
705
|
|
|
706 /* These values are retrieved so often that we make a special
|
|
|
707 function.
|
|
|
708 */
|
|
|
709
|
|
|
710 void
|
|
|
711 default_face_font_info (Lisp_Object domain, int *ascent, int *descent,
|
|
|
712 int *height, int *width, int *proportional_p)
|
|
|
713 {
|
|
|
714 Lisp_Object font_instance;
|
|
|
715
|
|
|
716 if (noninteractive)
|
|
|
717 {
|
|
|
718 if (ascent)
|
|
|
719 *ascent = 1;
|
|
|
720 if (descent)
|
|
|
721 *descent = 0;
|
|
|
722 if (height)
|
|
|
723 *height = 1;
|
|
|
724 if (width)
|
|
|
725 *width = 1;
|
|
|
726 if (proportional_p)
|
|
|
727 *proportional_p = 0;
|
|
|
728 return;
|
|
|
729 }
|
|
|
730
|
|
|
731 /* We use ASCII here. This is probably reasonable because the
|
|
|
732 people calling this function are using the resulting values to
|
|
|
733 come up with overall sizes for windows and frames. */
|
|
|
734 if (WINDOWP (domain))
|
|
|
735 {
|
|
|
736 struct face_cachel *cachel;
|
|
|
737 struct window *w = XWINDOW (domain);
|
|
|
738
|
|
|
739 /* #### It's possible for this function to get called when the
|
|
|
740 face cachels have not been initialized. I don't know why. */
|
|
|
741 if (!Dynarr_length (w->face_cachels))
|
|
|
742 reset_face_cachels (w);
|
|
|
743 cachel = WINDOW_FACE_CACHEL (w, DEFAULT_INDEX);
|
|
|
744 font_instance = FACE_CACHEL_FONT (cachel, Vcharset_ascii);
|
|
|
745 }
|
|
|
746 else
|
|
|
747 {
|
|
|
748 font_instance = FACE_FONT (Vdefault_face, domain, Vcharset_ascii);
|
|
|
749 }
|
|
|
750
|
|
|
751 if (height)
|
|
|
752 *height = XFONT_INSTANCE (font_instance)->height;
|
|
|
753 if (width)
|
|
|
754 *width = XFONT_INSTANCE (font_instance)->width;
|
|
|
755 if (ascent)
|
|
|
756 *ascent = XFONT_INSTANCE (font_instance)->ascent;
|
|
|
757 if (descent)
|
|
|
758 *descent = XFONT_INSTANCE (font_instance)->descent;
|
|
|
759 if (proportional_p)
|
|
|
760 *proportional_p = XFONT_INSTANCE (font_instance)->proportional_p;
|
|
|
761 }
|
|
|
762
|
|
|
763 void
|
|
|
764 default_face_height_and_width (Lisp_Object domain,
|
|
|
765 int *height, int *width)
|
|
|
766 {
|
|
|
767 default_face_font_info (domain, 0, 0, height, width, 0);
|
|
|
768 }
|
|
|
769
|
|
20
|
770 DEFUN ("face-list", Fface_list, 0, 1, 0, /*
|
|
0
|
771 Return a list of the names of all defined faces.
|
|
|
772 If TEMPORARY is nil, only the permanent faces are included.
|
|
|
773 If it is t, only the temporary faces are included. If it is any
|
|
|
774 other non-nil value both permanent and temporary are included.
|
|
20
|
775 */
|
|
|
776 (temporary))
|
|
0
|
777 {
|
|
|
778 Lisp_Object face_list = Qnil;
|
|
|
779
|
|
|
780 /* Added the permanent faces, if requested. */
|
|
|
781 if (NILP (temporary) || !EQ (Qt, temporary))
|
|
|
782 face_list = permanent_faces_list ();
|
|
|
783
|
|
|
784 if (!NILP (temporary))
|
|
|
785 {
|
|
|
786 struct gcpro gcpro1;
|
|
|
787 GCPRO1 (face_list);
|
|
|
788 face_list = nconc2 (face_list, temporary_faces_list ());
|
|
|
789 UNGCPRO;
|
|
|
790 }
|
|
|
791
|
|
|
792 return face_list;
|
|
|
793 }
|
|
|
794
|
|
20
|
795 DEFUN ("make-face", Fmake_face, 1, 3, 0, /*
|
|
0
|
796 Defines and returns a new FACE described by DOC-STRING.
|
|
|
797 You can modify the font, color, etc of a face with the set-face- functions.
|
|
|
798 If the face already exists, it is unmodified.
|
|
|
799 If TEMPORARY is non-nil, this face will cease to exist if not in use.
|
|
20
|
800 */
|
|
|
801 (name, doc_string, temporary))
|
|
0
|
802 {
|
|
|
803 /* This function can GC if initialized is non-zero */
|
|
|
804 struct Lisp_Face *f;
|
|
|
805 Lisp_Object face;
|
|
|
806
|
|
|
807 CHECK_SYMBOL (name);
|
|
|
808 if (!NILP (doc_string))
|
|
|
809 CHECK_STRING (doc_string);
|
|
|
810
|
|
|
811 face = Ffind_face (name);
|
|
|
812 if (!NILP (face))
|
|
|
813 return face;
|
|
|
814
|
|
|
815 f = allocate_face ();
|
|
|
816 XSETFACE (face, f);
|
|
|
817
|
|
|
818 f->name = name;
|
|
|
819 f->doc_string = doc_string;
|
|
|
820 f->foreground = Fmake_specifier (Qcolor);
|
|
|
821 set_color_attached_to (f->foreground, face, Qforeground);
|
|
|
822 f->background = Fmake_specifier (Qcolor);
|
|
|
823 set_color_attached_to (f->background, face, Qbackground);
|
|
|
824 f->font = Fmake_specifier (Qfont);
|
|
|
825 set_font_attached_to (f->font, face, Qfont);
|
|
|
826 f->background_pixmap = Fmake_specifier (Qimage);
|
|
|
827 set_image_attached_to (f->background_pixmap, face, Qbackground_pixmap);
|
|
116
|
828 f->display_table = Fmake_specifier (Qdisplay_table);
|
|
0
|
829 f->underline = Fmake_specifier (Qface_boolean);
|
|
|
830 set_face_boolean_attached_to (f->underline, face, Qunderline);
|
|
|
831 f->strikethru = Fmake_specifier (Qface_boolean);
|
|
|
832 set_face_boolean_attached_to (f->strikethru, face, Qstrikethru);
|
|
|
833 f->highlight = Fmake_specifier (Qface_boolean);
|
|
|
834 set_face_boolean_attached_to (f->highlight, face, Qhighlight);
|
|
|
835 f->dim = Fmake_specifier (Qface_boolean);
|
|
|
836 set_face_boolean_attached_to (f->dim, face, Qdim);
|
|
|
837 f->blinking = Fmake_specifier (Qface_boolean);
|
|
|
838 set_face_boolean_attached_to (f->blinking, face, Qblinking);
|
|
|
839 f->reverse = Fmake_specifier (Qface_boolean);
|
|
|
840 set_face_boolean_attached_to (f->reverse, face, Qreverse);
|
|
|
841 if (!NILP (Vdefault_face))
|
|
|
842 {
|
|
|
843 /* If the default face has already been created, set it as
|
|
|
844 the default fallback specifier for all the specifiers we
|
|
|
845 just created. This implements the standard "all faces
|
|
|
846 inherit from default" behavior. */
|
|
|
847 set_specifier_fallback (f->foreground,
|
|
|
848 Fget (Vdefault_face, Qforeground, Qunbound));
|
|
|
849 set_specifier_fallback (f->background,
|
|
|
850 Fget (Vdefault_face, Qbackground, Qunbound));
|
|
|
851 set_specifier_fallback (f->font,
|
|
|
852 Fget (Vdefault_face, Qfont, Qunbound));
|
|
|
853 set_specifier_fallback (f->background_pixmap,
|
|
|
854 Fget (Vdefault_face, Qbackground_pixmap,
|
|
|
855 Qunbound));
|
|
|
856 set_specifier_fallback (f->display_table,
|
|
|
857 Fget (Vdefault_face, Qdisplay_table, Qunbound));
|
|
|
858 set_specifier_fallback (f->underline,
|
|
|
859 Fget (Vdefault_face, Qunderline, Qunbound));
|
|
|
860 set_specifier_fallback (f->strikethru,
|
|
|
861 Fget (Vdefault_face, Qstrikethru, Qunbound));
|
|
|
862 set_specifier_fallback (f->highlight,
|
|
|
863 Fget (Vdefault_face, Qhighlight, Qunbound));
|
|
|
864 set_specifier_fallback (f->dim,
|
|
|
865 Fget (Vdefault_face, Qdim, Qunbound));
|
|
|
866 set_specifier_fallback (f->blinking,
|
|
|
867 Fget (Vdefault_face, Qblinking, Qunbound));
|
|
|
868 set_specifier_fallback (f->reverse,
|
|
|
869 Fget (Vdefault_face, Qreverse, Qunbound));
|
|
|
870 }
|
|
|
871
|
|
|
872 /* Add the face to the appropriate list. */
|
|
|
873 if (NILP (temporary))
|
|
|
874 Fputhash (name, face, Vpermanent_faces_cache);
|
|
|
875 else
|
|
|
876 Fputhash (name, face, Vtemporary_faces_cache);
|
|
|
877
|
|
|
878 /* Note that it's OK if we dump faces.
|
|
|
879 When we start up again when we're not noninteractive,
|
|
|
880 `init-global-faces' is called and it resources all
|
|
|
881 existing faces. */
|
|
|
882 if (initialized && !noninteractive)
|
|
|
883 {
|
|
|
884 struct gcpro gcpro1, gcpro2;
|
|
|
885
|
|
|
886 GCPRO2 (name, face);
|
|
|
887 call1 (Qinit_face_from_resources, name);
|
|
|
888 UNGCPRO;
|
|
|
889 }
|
|
|
890
|
|
|
891 return face;
|
|
|
892 }
|
|
|
893
|
|
|
894
|
|
|
895 /*****************************************************************************
|
|
|
896 initialization code
|
|
|
897 ****************************************************************************/
|
|
|
898
|
|
|
899 void
|
|
|
900 init_global_faces (struct device *d)
|
|
|
901 {
|
|
|
902 /* When making the initial terminal device, there is no Lisp code
|
|
|
903 loaded, so we can't do this. */
|
|
|
904 if (initialized && !noninteractive)
|
|
|
905 {
|
|
|
906 call_critical_lisp_code (d, Qinit_global_faces, Qnil);
|
|
|
907 }
|
|
|
908 }
|
|
|
909
|
|
|
910 void
|
|
|
911 init_device_faces (struct device *d)
|
|
|
912 {
|
|
|
913 /* When making the initial terminal device, there is no Lisp code
|
|
|
914 loaded, so we can't do this. */
|
|
|
915 if (initialized)
|
|
|
916 {
|
|
|
917 Lisp_Object tdevice;
|
|
|
918 XSETDEVICE (tdevice, d);
|
|
|
919 call_critical_lisp_code (d, Qinit_device_faces, tdevice);
|
|
|
920 }
|
|
|
921 }
|
|
|
922
|
|
|
923 void
|
|
|
924 init_frame_faces (struct frame *frm)
|
|
|
925 {
|
|
|
926 /* When making the initial terminal device, there is no Lisp code
|
|
|
927 loaded, so we can't do this. */
|
|
|
928 if (initialized)
|
|
|
929 {
|
|
|
930 Lisp_Object tframe;
|
|
|
931 XSETFRAME (tframe, frm);
|
|
|
932
|
|
|
933 /* DO NOT change the selected frame here. If the debugger goes off
|
|
|
934 it will try and display on the frame being created, but it is not
|
|
|
935 ready for that yet and a horrible death will occur. Any random
|
|
|
936 code depending on the selected-frame as an implicit arg should be
|
|
|
937 tracked down and shot. For the benefit of the one known,
|
|
|
938 xpm-color-symbols, make-frame sets the variable
|
|
|
939 Vframe_being_created to the frame it is making and sets it to nil
|
|
|
940 when done. Internal functions that this could trigger which are
|
|
|
941 currently depending on selected-frame should use this instead. It
|
|
|
942 is not currently visible at the lisp level. */
|
|
|
943 call_critical_lisp_code (XDEVICE (FRAME_DEVICE (frm)),
|
|
|
944 Qinit_frame_faces, tframe);
|
|
|
945 }
|
|
|
946 }
|
|
|
947
|
|
|
948
|
|
|
949 /****************************************************************************
|
|
|
950 * face cache element functions *
|
|
|
951 ****************************************************************************/
|
|
|
952
|
|
|
953 /*
|
|
|
954
|
|
|
955 #### Here is a description of how the face cache elements ought
|
|
|
956 to be redone. It is *NOT* how they work currently:
|
|
|
957
|
|
|
958 However, when I started to go about implementing this, I realized
|
|
|
959 that there are all sorts of subtle problems with cache coherency
|
|
|
960 that are coming up. As it turns out, these problems don't
|
|
|
961 manifest themselves now due to the brute-force "kill 'em all"
|
|
|
962 approach to cache invalidation when faces change; but if this
|
|
|
963 is ever made smarter, these problems are going to come up, and
|
|
|
964 some of them are very non-obvious.
|
|
|
965
|
|
|
966 I'm thinking of redoing the cache code a bit to avoid these
|
|
|
967 coherency problems. The bulk of the problems will arise because
|
|
|
968 the current display structures have simple indices into the
|
|
|
969 face cache, but the cache can be changed at various times,
|
|
|
970 which could make the current display structures incorrect.
|
|
|
971 I guess the dirty and updated flags are an attempt to fix
|
|
|
972 this, but this approach doesn't really work.
|
|
|
973
|
|
|
974 Here's an approach that should keep things clean and unconfused:
|
|
|
975
|
|
|
976 1) Imagine a "virtual face cache" that can grow arbitrarily
|
|
|
977 big and for which the only thing allowed is to add new
|
|
|
978 elements. Existing elements cannot be removed or changed.
|
|
|
979 This way, any pointers in the existing redisplay structure
|
|
|
980 into the cache never get screwed up. (This is important
|
|
|
981 because even if a cache element is out of date, if there's
|
|
|
982 a pointer to it then its contents still accurately describe
|
|
|
983 the way the text currently looks on the screen.)
|
|
|
984 2) Each element in the virtual cache either describes exactly
|
|
|
985 one face, or describes the merger of a number of faces
|
|
|
986 by some process. In order to simplify things, for mergers
|
|
|
987 we do not record which faces or ordering was used, but
|
|
|
988 simply that this cache element is the result of merging.
|
|
|
989 Unlike the current implementation, it's important that a
|
|
|
990 single cache element not be used to both describe a
|
|
|
991 single face and describe a merger, even if all the property
|
|
|
992 values are the same.
|
|
|
993 3) Each cache element can be clean or dirty. "Dirty" means
|
|
|
994 that the face that the element points to has been changed;
|
|
|
995 this gets set at the time the face is changed. This
|
|
|
996 way, when looking up a value in the cache, you can determine
|
|
|
997 whether it's out of date or not. For merged faces it
|
|
|
998 does not matter -- we don't record the faces or priority
|
|
|
999 used to create the merger, so it's impossible to look up
|
|
|
1000 one of these faces. We have to recompute it each time.
|
|
|
1001 Luckily, this is fine -- doing the merge is much
|
|
|
1002 less expensive than recomputing the properties of a
|
|
|
1003 single face.
|
|
|
1004 4) For each cache element, we keep a hash value. (In order
|
|
|
1005 to hash the boolean properties, we convert each of them
|
|
|
1006 into a different large prime number so that the hashing works
|
|
|
1007 well.) This allows us, when comparing runes, to properly
|
|
|
1008 determine whether the face for that rune has changed.
|
|
|
1009 This will be especially important for TTY's, where there
|
|
|
1010 aren't that many faces and minimizing redraw is very
|
|
|
1011 important.
|
|
|
1012 5) We can't actually keep an infinite cache, but that doesn't
|
|
|
1013 really matter that much. The only elements we care about
|
|
|
1014 are those that are used by either the current or desired
|
|
|
1015 display structs. Therefore, we keep a per-window
|
|
|
1016 redisplay iteration number, and mark each element with
|
|
|
1017 that number as we use it. Just after outputting the
|
|
|
1018 window and synching the redisplay structs, we go through
|
|
|
1019 the cache and invalidate all elements that are not clean
|
|
|
1020 elements referring to a particular face and that do not
|
|
|
1021 have an iteration number equal to the current one. We
|
|
|
1022 keep them in a chain, and use them to allocate new
|
|
|
1023 elements when possible instead of increasing the Dynarr.
|
|
|
1024
|
|
|
1025 */
|
|
|
1026
|
|
|
1027 /* mark for GC a dynarr of face cachels. */
|
|
|
1028
|
|
|
1029 void
|
|
|
1030 mark_face_cachels (face_cachel_dynarr *elements,
|
|
|
1031 void (*markobj) (Lisp_Object))
|
|
|
1032 {
|
|
|
1033 int elt;
|
|
|
1034
|
|
|
1035 if (!elements)
|
|
|
1036 return;
|
|
|
1037
|
|
|
1038 for (elt = 0; elt < Dynarr_length (elements); elt++)
|
|
|
1039 {
|
|
|
1040 struct face_cachel *cachel = Dynarr_atp (elements, elt);
|
|
|
1041
|
|
|
1042 {
|
|
|
1043 int i;
|
|
|
1044
|
|
|
1045 for (i = 0; i < NUM_LEADING_BYTES; i++)
|
|
|
1046 if (!NILP (cachel->font[i]) && !UNBOUNDP (cachel->font[i]))
|
|
|
1047 ((markobj) (cachel->font[i]));
|
|
|
1048 }
|
|
|
1049 ((markobj) (cachel->face));
|
|
|
1050 ((markobj) (cachel->foreground));
|
|
|
1051 ((markobj) (cachel->background));
|
|
|
1052 ((markobj) (cachel->display_table));
|
|
|
1053 ((markobj) (cachel->background_pixmap));
|
|
|
1054 }
|
|
|
1055 }
|
|
|
1056
|
|
|
1057 /* ensure that the given cachel contains an updated font value for
|
|
|
1058 the given charset. Return the updated font value. */
|
|
|
1059
|
|
|
1060 Lisp_Object
|
|
|
1061 ensure_face_cachel_contains_charset (struct face_cachel *cachel,
|
|
|
1062 Lisp_Object domain, Lisp_Object charset)
|
|
|
1063 {
|
|
|
1064 Lisp_Object new_val;
|
|
|
1065 Lisp_Object face = cachel->face;
|
|
|
1066 int bound = 1;
|
|
|
1067 int offs = XCHARSET_LEADING_BYTE (charset) - MIN_LEADING_BYTE;
|
|
|
1068
|
|
|
1069 if (!UNBOUNDP (cachel->font[offs])
|
|
|
1070 && cachel->font_updated[offs])
|
|
|
1071 return cachel->font[offs];
|
|
|
1072
|
|
|
1073 if (UNBOUNDP (face))
|
|
|
1074 {
|
|
|
1075 /* a merged face. */
|
|
|
1076 int i;
|
|
|
1077 struct window *w = XWINDOW (domain);
|
|
|
1078
|
|
|
1079 new_val = Qunbound;
|
|
|
1080 cachel->font_specified[offs] = 0;
|
|
|
1081 for (i = 0; i < cachel->nfaces; i++)
|
|
|
1082 {
|
|
|
1083 struct face_cachel *oth;
|
|
|
1084
|
|
|
1085 oth = Dynarr_atp (w->face_cachels,
|
|
|
1086 FACE_CACHEL_FINDEX_UNSAFE (cachel, i));
|
|
|
1087 /* Tout le monde aime la recursion */
|
|
|
1088 ensure_face_cachel_contains_charset (oth, domain, charset);
|
|
|
1089
|
|
|
1090 if (oth->font_specified[offs])
|
|
|
1091 {
|
|
|
1092 new_val = oth->font[offs];
|
|
|
1093 cachel->font_specified[offs] = 1;
|
|
|
1094 break;
|
|
|
1095 }
|
|
|
1096 }
|
|
|
1097
|
|
|
1098 if (!cachel->font_specified[offs])
|
|
|
1099 /* need to do the default face. */
|
|
|
1100 {
|
|
|
1101 struct face_cachel *oth =
|
|
|
1102 Dynarr_atp (w->face_cachels, DEFAULT_INDEX);
|
|
|
1103 ensure_face_cachel_contains_charset (oth, domain, charset);
|
|
|
1104
|
|
|
1105 new_val = oth->font[offs];
|
|
|
1106 }
|
|
|
1107
|
|
|
1108 if (!UNBOUNDP (cachel->font[offs]) && !EQ (cachel->font[offs], new_val))
|
|
|
1109 cachel->dirty = 1;
|
|
|
1110 cachel->font_updated[offs] = 1;
|
|
|
1111 cachel->font[offs] = new_val;
|
|
|
1112 return new_val;
|
|
|
1113 }
|
|
|
1114
|
|
|
1115 new_val = face_property_matching_instance (face, Qfont, charset, domain,
|
|
|
1116 /* #### look into ERROR_ME_NOT */
|
|
|
1117 ERROR_ME_NOT, 1, Qzero);
|
|
|
1118 if (UNBOUNDP (new_val))
|
|
|
1119 {
|
|
|
1120 bound = 0;
|
|
|
1121 new_val = face_property_matching_instance (face, Qfont,
|
|
|
1122 charset, domain,
|
|
|
1123 /* #### look into
|
|
|
1124 ERROR_ME_NOT */
|
|
|
1125 ERROR_ME_NOT, 0, Qzero);
|
|
|
1126 }
|
|
|
1127 if (!UNBOUNDP (cachel->font[offs]) && !EQ (new_val, cachel->font[offs]))
|
|
|
1128 cachel->dirty = 1;
|
|
|
1129 cachel->font_updated[offs] = 1;
|
|
|
1130 cachel->font[offs] = new_val;
|
|
|
1131 cachel->font_specified[offs] = (bound || EQ (face, Vdefault_face));
|
|
|
1132 return new_val;
|
|
|
1133 }
|
|
|
1134
|
|
|
1135 /* Ensure that the given cachel contains updated fonts for all
|
|
|
1136 the charsets specified. */
|
|
|
1137
|
|
|
1138 void
|
|
|
1139 ensure_face_cachel_complete (struct face_cachel *cachel,
|
|
|
1140 Lisp_Object domain, unsigned char *charsets)
|
|
|
1141 {
|
|
|
1142 int i;
|
|
|
1143
|
|
|
1144 for (i = 0; i < NUM_LEADING_BYTES; i++)
|
|
|
1145 if (charsets[i])
|
|
|
1146 {
|
|
|
1147 Lisp_Object charset;
|
|
|
1148
|
|
|
1149 charset = CHARSET_BY_LEADING_BYTE (i + MIN_LEADING_BYTE);
|
|
|
1150 assert (CHARSETP (charset));
|
|
|
1151 ensure_face_cachel_contains_charset (cachel, domain, charset);
|
|
|
1152 }
|
|
|
1153 }
|
|
|
1154
|
|
|
1155 void
|
|
|
1156 face_cachel_charset_font_metric_info (struct face_cachel *cachel,
|
|
|
1157 unsigned char *charsets,
|
|
|
1158 struct font_metric_info *fm)
|
|
|
1159 {
|
|
|
1160 int i;
|
|
|
1161
|
|
|
1162 fm->width = 1;
|
|
|
1163 fm->height = fm->ascent = 1;
|
|
|
1164 fm->descent = 0;
|
|
|
1165 fm->proportional_p = 0;
|
|
|
1166
|
|
|
1167 for (i = 0; i < NUM_LEADING_BYTES; i++)
|
|
|
1168 {
|
|
|
1169 if (charsets[i])
|
|
|
1170 {
|
|
|
1171 Lisp_Object charset;
|
|
|
1172 Lisp_Object font_instance;
|
|
|
1173 struct Lisp_Font_Instance *fi;
|
|
|
1174
|
|
|
1175 charset = CHARSET_BY_LEADING_BYTE (i + MIN_LEADING_BYTE);
|
|
|
1176 assert (CHARSETP (charset));
|
|
|
1177 font_instance = FACE_CACHEL_FONT (cachel, charset);
|
|
|
1178 assert (FONT_INSTANCEP (font_instance));
|
|
|
1179 fi = XFONT_INSTANCE (font_instance);
|
|
|
1180 fm->ascent = max ((int) fi->ascent, (int) fm->ascent);
|
|
|
1181 fm->descent = max ((int) fi->descent, (int) fm->descent);
|
|
|
1182 fm->height = fm->ascent + fm->descent;
|
|
|
1183 if (fi->proportional_p)
|
|
|
1184 fm->proportional_p = 1;
|
|
|
1185 if (EQ (charset, Vcharset_ascii))
|
|
|
1186 fm->width = fi->width;
|
|
|
1187 }
|
|
|
1188 }
|
|
|
1189 }
|
|
|
1190
|
|
|
1191 /* Called when the updated flag has been cleared on a cachel. */
|
|
|
1192
|
|
|
1193 void
|
|
|
1194 update_face_cachel_data (struct face_cachel *cachel,
|
|
|
1195 Lisp_Object domain,
|
|
|
1196 Lisp_Object face)
|
|
|
1197 {
|
|
|
1198 if (XFACE (face)->dirty || UNBOUNDP (cachel->face))
|
|
|
1199 {
|
|
|
1200 int default_face = EQ (face, Vdefault_face);
|
|
|
1201 cachel->face = face;
|
|
|
1202
|
|
|
1203 /* We normally only set the _specified flags if the value was
|
|
|
1204 actually bound. The exception is for the default face where
|
|
|
1205 we always set it since it is the ultimate fallback. */
|
|
|
1206
|
|
|
1207 #define FROB(field) \
|
|
|
1208 do { \
|
|
|
1209 Lisp_Object new_val = \
|
|
|
1210 FACE_PROPERTY_INSTANCE (face, Q##field, domain, 1, Qzero); \
|
|
|
1211 int bound = 1; \
|
|
|
1212 if (UNBOUNDP (new_val)) \
|
|
|
1213 { \
|
|
|
1214 bound = 0; \
|
|
|
1215 new_val = FACE_PROPERTY_INSTANCE (face, Q##field, domain, 0, Qzero); \
|
|
|
1216 } \
|
|
|
1217 if (!EQ (new_val, cachel->field)) \
|
|
|
1218 { \
|
|
|
1219 cachel->field = new_val; \
|
|
|
1220 cachel->dirty = 1; \
|
|
|
1221 } \
|
|
|
1222 cachel->field##_specified = (bound || default_face); \
|
|
|
1223 } while (0)
|
|
|
1224
|
|
|
1225 FROB (foreground);
|
|
|
1226 FROB (background);
|
|
|
1227 FROB (display_table);
|
|
|
1228 FROB (background_pixmap);
|
|
|
1229 #undef FROB
|
|
|
1230
|
|
|
1231 ensure_face_cachel_contains_charset (cachel, domain, Vcharset_ascii);
|
|
|
1232
|
|
|
1233 #define FROB(field) \
|
|
|
1234 do { \
|
|
|
1235 Lisp_Object new_val = \
|
|
|
1236 FACE_PROPERTY_INSTANCE (face, Q##field, domain, 1, Qzero); \
|
|
|
1237 int bound = 1; \
|
|
|
1238 int new_val_int; \
|
|
|
1239 if (UNBOUNDP (new_val)) \
|
|
|
1240 { \
|
|
|
1241 bound = 0; \
|
|
|
1242 new_val = FACE_PROPERTY_INSTANCE (face, Q##field, domain, 0, Qzero); \
|
|
|
1243 } \
|
|
|
1244 new_val_int = EQ (new_val, Qt); \
|
|
|
1245 if (cachel->field != new_val_int) \
|
|
|
1246 { \
|
|
|
1247 cachel->field = new_val_int; \
|
|
|
1248 cachel->dirty = 1; \
|
|
|
1249 } \
|
|
|
1250 cachel->field##_specified = bound; \
|
|
|
1251 } while (0)
|
|
|
1252
|
|
|
1253 FROB (underline);
|
|
|
1254 FROB (strikethru);
|
|
|
1255 FROB (highlight);
|
|
|
1256 FROB (dim);
|
|
|
1257 FROB (reverse);
|
|
|
1258 FROB (blinking);
|
|
|
1259 #undef FROB
|
|
|
1260 }
|
|
|
1261
|
|
|
1262 cachel->updated = 1;
|
|
|
1263 }
|
|
|
1264
|
|
|
1265 /* Merge the cachel identified by FINDEX in window W into the given
|
|
|
1266 cachel. */
|
|
|
1267
|
|
|
1268 static void
|
|
|
1269 merge_face_cachel_data (struct window *w, face_index findex,
|
|
|
1270 struct face_cachel *cachel)
|
|
|
1271 {
|
|
|
1272 #define FINDEX_FIELD(field) \
|
|
|
1273 Dynarr_atp (w->face_cachels, findex)->field
|
|
|
1274
|
|
|
1275 #define FROB(field) \
|
|
|
1276 do { \
|
|
|
1277 if (!cachel->field##_specified && FINDEX_FIELD (field##_specified)) \
|
|
|
1278 { \
|
|
|
1279 cachel->field = FINDEX_FIELD (field); \
|
|
|
1280 cachel->field##_specified = 1; \
|
|
|
1281 cachel->dirty = 1; \
|
|
|
1282 } \
|
|
|
1283 } while (0)
|
|
|
1284
|
|
|
1285 FROB (foreground);
|
|
|
1286 FROB (background);
|
|
|
1287 FROB (display_table);
|
|
|
1288 FROB (background_pixmap);
|
|
|
1289 FROB (underline);
|
|
|
1290 FROB (strikethru);
|
|
|
1291 FROB (highlight);
|
|
|
1292 FROB (dim);
|
|
|
1293 FROB (reverse);
|
|
|
1294 FROB (blinking);
|
|
|
1295 /* And do ASCII, of course. */
|
|
|
1296 {
|
|
|
1297 int offs = LEADING_BYTE_ASCII - MIN_LEADING_BYTE;
|
|
|
1298
|
|
|
1299 if (!cachel->font_specified[offs] && FINDEX_FIELD (font_specified[offs]))
|
|
|
1300 {
|
|
|
1301 cachel->font[offs] = FINDEX_FIELD (font[offs]);
|
|
|
1302 cachel->font_specified[offs] = 1;
|
|
|
1303 cachel->dirty = 1;
|
|
|
1304 }
|
|
|
1305 }
|
|
|
1306
|
|
|
1307 #undef FROB
|
|
|
1308 #undef FINDEX_FIELD
|
|
|
1309
|
|
|
1310 cachel->updated = 1;
|
|
|
1311 }
|
|
|
1312
|
|
|
1313 /* Initialize a cachel. */
|
|
|
1314
|
|
|
1315 void
|
|
|
1316 reset_face_cachel (struct face_cachel *cachel)
|
|
|
1317 {
|
|
|
1318 memset (cachel, 0, sizeof (struct face_cachel));
|
|
|
1319 cachel->face = Qunbound;
|
|
|
1320 cachel->nfaces = 0;
|
|
|
1321 cachel->merged_faces = 0;
|
|
|
1322 cachel->foreground = Qunbound;
|
|
|
1323 cachel->background = Qunbound;
|
|
|
1324 {
|
|
|
1325 int i;
|
|
|
1326
|
|
|
1327 for (i = 0; i < NUM_LEADING_BYTES; i++)
|
|
|
1328 cachel->font[i] = Qunbound;
|
|
|
1329 }
|
|
|
1330 cachel->display_table = Qunbound;
|
|
|
1331 cachel->background_pixmap = Qunbound;
|
|
|
1332 }
|
|
|
1333
|
|
|
1334 /* Add a cachel for the given face to the given window's cache. */
|
|
|
1335
|
|
|
1336 static void
|
|
|
1337 add_face_cachel (struct window *w, Lisp_Object face)
|
|
|
1338 {
|
|
|
1339 struct face_cachel new_cachel;
|
|
|
1340 Lisp_Object window;
|
|
|
1341
|
|
|
1342 reset_face_cachel (&new_cachel);
|
|
|
1343 XSETWINDOW (window, w);
|
|
|
1344 update_face_cachel_data (&new_cachel, window, face);
|
|
|
1345 Dynarr_add (w->face_cachels, new_cachel);
|
|
|
1346 }
|
|
|
1347
|
|
|
1348 /* Retrieve the index to a cachel for window W that corresponds to
|
|
|
1349 the specified face. If necessary, add a new element to the
|
|
|
1350 cache. */
|
|
|
1351
|
|
|
1352 face_index
|
|
|
1353 get_builtin_face_cache_index (struct window *w, Lisp_Object face)
|
|
|
1354 {
|
|
|
1355 int elt;
|
|
|
1356
|
|
|
1357 if (noninteractive)
|
|
|
1358 return 0;
|
|
|
1359
|
|
|
1360 for (elt = 0; elt < Dynarr_length (w->face_cachels); elt++)
|
|
|
1361 {
|
|
|
1362 struct face_cachel *cachel = WINDOW_FACE_CACHEL (w, elt);
|
|
|
1363
|
|
|
1364 if (EQ (cachel->face, face))
|
|
|
1365 {
|
|
|
1366 Lisp_Object window = Qnil;
|
|
|
1367 XSETWINDOW (window, w);
|
|
|
1368 if (!cachel->updated)
|
|
|
1369 update_face_cachel_data (cachel, window, face);
|
|
|
1370 return elt;
|
|
|
1371 }
|
|
|
1372 }
|
|
|
1373
|
|
|
1374 /* If we didn't find the face, add it and then return its index. */
|
|
|
1375 add_face_cachel (w, face);
|
|
|
1376 return elt;
|
|
|
1377 }
|
|
|
1378
|
|
|
1379 void
|
|
|
1380 reset_face_cachels (struct window *w)
|
|
|
1381 {
|
|
|
1382 /* #### Not initialized in batch mode for the stream device. */
|
|
|
1383 if (w->face_cachels)
|
|
|
1384 {
|
|
|
1385 int i;
|
|
|
1386
|
|
|
1387 for (i = 0; i < Dynarr_length (w->face_cachels); i++)
|
|
|
1388 {
|
|
|
1389 struct face_cachel *cachel = Dynarr_atp (w->face_cachels, i);
|
|
|
1390 if (cachel->merged_faces)
|
|
|
1391 Dynarr_free (cachel->merged_faces);
|
|
|
1392 }
|
|
|
1393 Dynarr_reset (w->face_cachels);
|
|
|
1394 get_builtin_face_cache_index (w, Vdefault_face);
|
|
|
1395 get_builtin_face_cache_index (w, Vmodeline_face);
|
|
|
1396 XFRAME (w->frame)->window_face_cache_reset = 1;
|
|
|
1397 }
|
|
|
1398 }
|
|
|
1399
|
|
|
1400 void
|
|
|
1401 mark_face_cachels_as_clean (struct window *w)
|
|
|
1402 {
|
|
|
1403 int elt;
|
|
|
1404
|
|
|
1405 for (elt = 0; elt < Dynarr_length (w->face_cachels); elt++)
|
|
|
1406 Dynarr_atp (w->face_cachels, elt)->dirty = 0;
|
|
|
1407 }
|
|
|
1408
|
|
|
1409 void
|
|
|
1410 mark_face_cachels_as_not_updated (struct window *w)
|
|
|
1411 {
|
|
|
1412 int elt;
|
|
|
1413
|
|
|
1414 for (elt = 0; elt < Dynarr_length (w->face_cachels); elt++)
|
|
|
1415 {
|
|
|
1416 struct face_cachel *cachel = Dynarr_atp (w->face_cachels, elt);
|
|
|
1417 int i;
|
|
|
1418
|
|
|
1419 cachel->updated = 0;
|
|
|
1420 for (i = 0; i < NUM_LEADING_BYTES; i++)
|
|
|
1421 cachel->font_updated[i] = 0;
|
|
|
1422 }
|
|
|
1423 }
|
|
|
1424
|
|
|
1425 #ifdef MEMORY_USAGE_STATS
|
|
|
1426
|
|
|
1427 int
|
|
|
1428 compute_face_cachel_usage (face_cachel_dynarr *face_cachels,
|
|
|
1429 struct overhead_stats *ovstats)
|
|
|
1430 {
|
|
|
1431 int total = 0;
|
|
|
1432
|
|
|
1433 if (face_cachels)
|
|
|
1434 {
|
|
|
1435 int i;
|
|
|
1436
|
|
|
1437 total += Dynarr_memory_usage (face_cachels, ovstats);
|
|
|
1438 for (i = 0; i < Dynarr_length (face_cachels); i++)
|
|
|
1439 {
|
|
|
1440 int_dynarr *merged = Dynarr_at (face_cachels, i).merged_faces;
|
|
|
1441 if (merged)
|
|
|
1442 total += Dynarr_memory_usage (merged, ovstats);
|
|
|
1443 }
|
|
|
1444 }
|
|
|
1445
|
|
|
1446 return total;
|
|
|
1447 }
|
|
|
1448
|
|
|
1449 #endif /* MEMORY_USAGE_STATS */
|
|
|
1450
|
|
|
1451
|
|
|
1452 /*****************************************************************************
|
|
|
1453 * merged face functions *
|
|
|
1454 *****************************************************************************/
|
|
|
1455
|
|
|
1456 /* Compare two merged face cachels to determine whether we have to add
|
|
|
1457 a new entry to the face cache.
|
|
|
1458
|
|
|
1459 Note that we do not compare the attributes, but just the faces the
|
|
|
1460 cachels are based on. If they are the same, then the cachels certainly
|
|
|
1461 ought to have the same attributes, except in the case where fonts
|
|
|
1462 for different charsets have been determined in the two -- and in that
|
|
|
1463 case this difference is fine. */
|
|
|
1464
|
|
|
1465 static int
|
|
|
1466 compare_merged_face_cachels (struct face_cachel *cachel1,
|
|
|
1467 struct face_cachel *cachel2)
|
|
|
1468 {
|
|
|
1469 int i;
|
|
|
1470
|
|
|
1471 if (!EQ (cachel1->face, cachel2->face)
|
|
|
1472 || cachel1->nfaces != cachel2->nfaces)
|
|
|
1473 return 0;
|
|
|
1474
|
|
|
1475 for (i = 0; i < cachel1->nfaces; i++)
|
|
|
1476 if (FACE_CACHEL_FINDEX_UNSAFE (cachel1, i)
|
|
|
1477 != FACE_CACHEL_FINDEX_UNSAFE (cachel2, i))
|
|
|
1478 return 0;
|
|
|
1479
|
|
|
1480 return 1;
|
|
|
1481 }
|
|
|
1482
|
|
|
1483 /* Retrieve the index to a cachel for window W that corresponds to
|
|
|
1484 the specified cachel. If necessary, add a new element to the
|
|
|
1485 cache. This is similar to get_builtin_face_cache_index() but
|
|
|
1486 is intended for merged cachels rather than for cachels representing
|
|
|
1487 just a face.
|
|
|
1488
|
|
|
1489 Note that a merged cachel for just one face is not the same as
|
|
|
1490 the simple cachel for that face, because it is also merged with
|
|
|
1491 the default face. */
|
|
|
1492
|
|
|
1493 static face_index
|
|
|
1494 get_merged_face_cache_index (struct window *w,
|
|
|
1495 struct face_cachel *merged_cachel)
|
|
|
1496 {
|
|
|
1497 int elt;
|
|
|
1498 int cache_size = Dynarr_length (w->face_cachels);
|
|
|
1499
|
|
|
1500 for (elt = 0; elt < cache_size; elt++)
|
|
|
1501 {
|
|
|
1502 struct face_cachel *cachel =
|
|
|
1503 Dynarr_atp (w->face_cachels, elt);
|
|
|
1504
|
|
|
1505 if (compare_merged_face_cachels (cachel, merged_cachel))
|
|
|
1506 return elt;
|
|
|
1507 }
|
|
|
1508
|
|
|
1509 /* We didn't find it so add this instance to the cache. */
|
|
|
1510 merged_cachel->updated = 1;
|
|
|
1511 merged_cachel->dirty = 1;
|
|
|
1512 Dynarr_add (w->face_cachels, *merged_cachel);
|
|
|
1513 return cache_size;
|
|
|
1514 }
|
|
|
1515
|
|
|
1516 face_index
|
|
|
1517 get_extent_fragment_face_cache_index (struct window *w,
|
|
|
1518 struct extent_fragment *ef)
|
|
|
1519 {
|
|
|
1520 struct face_cachel cachel;
|
|
|
1521 int len = Dynarr_length (ef->extents);
|
|
|
1522 face_index findex;
|
|
|
1523 Lisp_Object window = Qnil;
|
|
|
1524 XSETWINDOW (window, w);
|
|
|
1525
|
|
|
1526 /* Optimize the default case. */
|
|
|
1527 if (len == 0)
|
|
|
1528 return DEFAULT_INDEX;
|
|
|
1529 else
|
|
|
1530 {
|
|
|
1531 int i;
|
|
|
1532
|
|
|
1533 /* Merge the faces of the extents together in order. */
|
|
|
1534
|
|
|
1535 reset_face_cachel (&cachel);
|
|
|
1536
|
|
|
1537 for (i = len - 1; i >= 0; i--)
|
|
|
1538 {
|
|
|
1539 EXTENT current = Dynarr_at (ef->extents, i);
|
|
|
1540 int has_findex = 0;
|
|
|
1541 Lisp_Object face = extent_face (current);
|
|
|
1542
|
|
|
1543 if (FACEP (face))
|
|
|
1544 {
|
|
|
1545 findex = get_builtin_face_cache_index (w, face);
|
|
|
1546 has_findex = 1;
|
|
|
1547 merge_face_cachel_data (w, findex, &cachel);
|
|
|
1548 }
|
|
|
1549 /* remember, we're called from within redisplay
|
|
|
1550 so we can't error. */
|
|
|
1551 else while (CONSP (face))
|
|
|
1552 {
|
|
|
1553 Lisp_Object one_face = XCAR (face);
|
|
|
1554 if (FACEP (one_face))
|
|
|
1555 {
|
|
|
1556 findex = get_builtin_face_cache_index (w, one_face);
|
|
|
1557 merge_face_cachel_data (w, findex, &cachel);
|
|
|
1558
|
|
|
1559 /* code duplication here but there's no clean
|
|
|
1560 way to avoid it. */
|
|
|
1561 if (cachel.nfaces >= NUM_STATIC_CACHEL_FACES)
|
|
|
1562 {
|
|
|
1563 if (!cachel.merged_faces)
|
|
|
1564 cachel.merged_faces = Dynarr_new (int);
|
|
|
1565 Dynarr_add (cachel.merged_faces, findex);
|
|
|
1566 }
|
|
|
1567 else
|
|
|
1568 cachel.merged_faces_static[cachel.nfaces] = findex;
|
|
|
1569 cachel.nfaces++;
|
|
|
1570 }
|
|
|
1571 face = XCDR (face);
|
|
|
1572 }
|
|
|
1573
|
|
|
1574 if (has_findex)
|
|
|
1575 {
|
|
|
1576 if (cachel.nfaces >= NUM_STATIC_CACHEL_FACES)
|
|
|
1577 {
|
|
|
1578 if (!cachel.merged_faces)
|
|
|
1579 cachel.merged_faces = Dynarr_new (int);
|
|
|
1580 Dynarr_add (cachel.merged_faces, findex);
|
|
|
1581 }
|
|
|
1582 else
|
|
|
1583 cachel.merged_faces_static[cachel.nfaces] = findex;
|
|
|
1584 cachel.nfaces++;
|
|
|
1585 }
|
|
|
1586 }
|
|
|
1587
|
|
|
1588 /* Now finally merge in the default face. */
|
|
|
1589 findex = get_builtin_face_cache_index (w, Vdefault_face);
|
|
|
1590 merge_face_cachel_data (w, findex, &cachel);
|
|
|
1591
|
|
|
1592 return get_merged_face_cache_index (w, &cachel);
|
|
|
1593 }
|
|
|
1594 }
|
|
|
1595
|
|
|
1596
|
|
|
1597 /*****************************************************************************
|
|
|
1598 interface functions
|
|
|
1599 ****************************************************************************/
|
|
|
1600
|
|
|
1601 /* #### This function should be converted into appropriate device methods. */
|
|
|
1602 static void
|
|
|
1603 update_EmacsFrame (Lisp_Object frame, Lisp_Object name)
|
|
|
1604 {
|
|
|
1605 struct frame *frm = XFRAME (frame);
|
|
|
1606
|
|
|
1607 #ifdef HAVE_X_WINDOWS
|
|
|
1608 if (FRAME_X_P (frm))
|
|
|
1609 {
|
|
|
1610 Arg av[10];
|
|
|
1611 int ac = 0;
|
|
|
1612
|
|
|
1613 if (EQ (name, Qforeground))
|
|
|
1614 {
|
|
|
1615 Lisp_Object color = FACE_FOREGROUND (Vdefault_face, frame);
|
|
|
1616 XColor fgc;
|
|
|
1617
|
|
|
1618 if (!EQ (color, Vthe_null_color_instance))
|
|
|
1619 {
|
|
|
1620 fgc = COLOR_INSTANCE_X_COLOR (XCOLOR_INSTANCE (color));
|
|
|
1621 XtSetArg (av[ac], XtNforeground, (void *) fgc.pixel); ac++;
|
|
|
1622 }
|
|
|
1623 }
|
|
|
1624 else if (EQ (name, Qbackground))
|
|
|
1625 {
|
|
|
1626 Lisp_Object color = FACE_BACKGROUND (Vdefault_face, frame);
|
|
|
1627 XColor bgc;
|
|
|
1628
|
|
|
1629 if (!EQ (color, Vthe_null_color_instance))
|
|
|
1630 {
|
|
|
1631 bgc = COLOR_INSTANCE_X_COLOR (XCOLOR_INSTANCE (color));
|
|
|
1632 XtSetArg (av[ac], XtNbackground, (void *) bgc.pixel); ac++;
|
|
|
1633 }
|
|
|
1634
|
|
|
1635 /* Really crappy way to force the modeline shadows to be
|
|
|
1636 redrawn. But effective. */
|
|
|
1637 MARK_FRAME_WINDOWS_STRUCTURE_CHANGED (frm);
|
|
|
1638 MARK_FRAME_CHANGED (frm);
|
|
|
1639 }
|
|
|
1640 else if (EQ (name, Qfont))
|
|
|
1641 {
|
|
|
1642 Lisp_Object font = FACE_FONT (Vdefault_face, frame, Vcharset_ascii);
|
|
|
1643
|
|
|
1644 if (!EQ (font, Vthe_null_font_instance))
|
|
|
1645 XtSetArg (av[ac], XtNfont,
|
|
|
1646 (void *) FONT_INSTANCE_X_FONT (XFONT_INSTANCE (font)));
|
|
|
1647 ac++;
|
|
|
1648 }
|
|
|
1649 else
|
|
|
1650 abort ();
|
|
|
1651
|
|
|
1652 XtSetValues (FRAME_X_TEXT_WIDGET (frm), av, ac);
|
|
|
1653
|
|
|
1654 #ifdef HAVE_TOOLBARS
|
|
|
1655 /* Setting the background clears the entire frame area
|
|
|
1656 including the toolbar so we force an immediate redraw of
|
|
|
1657 it. */
|
|
|
1658 if (EQ (name, Qbackground))
|
|
|
1659 MAYBE_DEVMETH (XDEVICE (frm->device), redraw_frame_toolbars, (frm));
|
|
|
1660 #endif
|
|
|
1661
|
|
|
1662 /* The intent of this code is to cause the frame size in
|
|
|
1663 characters to remain the same when the font changes, at the
|
|
|
1664 expense of changing the frame size in pixels. It's not
|
|
|
1665 totally clear that this is the right thing to do, but it's
|
|
|
1666 not clearly wrong either. */
|
|
|
1667 if (EQ (name, Qfont))
|
|
|
1668 {
|
|
|
1669 EmacsFrameRecomputeCellSize (FRAME_X_TEXT_WIDGET (frm));
|
|
|
1670 Fset_frame_size (frame,
|
|
|
1671 make_int (frm->width),
|
|
|
1672 make_int (frm->height),
|
|
|
1673 Qnil);
|
|
|
1674 }
|
|
|
1675 }
|
|
|
1676 #endif /* HAVE_X_WINDOWS */
|
|
|
1677
|
|
|
1678 #ifdef HAVE_NEXTSTEP
|
|
|
1679 if (FRAME_NS_P (frm))
|
|
|
1680 {
|
|
|
1681 /* This code still needs to be written */
|
|
|
1682 }
|
|
|
1683 #endif /* HAVE_NEXSTEP */
|
|
|
1684 }
|
|
|
1685
|
|
|
1686 static void
|
|
|
1687 update_EmacsFrames (Lisp_Object locale, Lisp_Object name)
|
|
|
1688 {
|
|
|
1689 if (FRAMEP (locale))
|
|
|
1690 {
|
|
|
1691 update_EmacsFrame (locale, name);
|
|
|
1692 }
|
|
|
1693 else if (DEVICEP (locale))
|
|
|
1694 {
|
|
|
1695 Lisp_Object frmcons;
|
|
|
1696
|
|
|
1697 DEVICE_FRAME_LOOP (frmcons, XDEVICE (locale))
|
|
|
1698 update_EmacsFrame (XCAR (frmcons), name);
|
|
|
1699 }
|
|
|
1700 else if (EQ (locale, Qglobal) || EQ (locale, Qfallback))
|
|
|
1701 {
|
|
|
1702 Lisp_Object frmcons, devcons, concons;
|
|
|
1703
|
|
|
1704 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
|
|
|
1705 update_EmacsFrame (XCAR (frmcons), name);
|
|
|
1706 }
|
|
|
1707 }
|
|
|
1708
|
|
|
1709 void
|
|
|
1710 update_frame_face_values (struct frame *f)
|
|
|
1711 {
|
|
|
1712 Lisp_Object frm = Qnil;
|
|
|
1713
|
|
|
1714 XSETFRAME (frm, f);
|
|
|
1715 update_EmacsFrame (frm, Qforeground);
|
|
|
1716 update_EmacsFrame (frm, Qbackground);
|
|
|
1717 update_EmacsFrame (frm, Qfont);
|
|
|
1718 }
|
|
|
1719
|
|
|
1720 void
|
|
|
1721 face_property_was_changed (Lisp_Object face, Lisp_Object property,
|
|
|
1722 Lisp_Object locale)
|
|
|
1723 {
|
|
|
1724 int default_face = EQ (face, Vdefault_face);
|
|
|
1725
|
|
|
1726 /* If the locale could affect the frame value, then call
|
|
|
1727 update_EmacsFrames just in case. */
|
|
|
1728 if (default_face &&
|
|
|
1729 (EQ (property, Qforeground) ||
|
|
|
1730 EQ (property, Qbackground) ||
|
|
|
1731 EQ (property, Qfont)))
|
|
|
1732 update_EmacsFrames (locale, property);
|
|
|
1733
|
|
|
1734 if (WINDOWP (locale))
|
|
|
1735 {
|
|
|
1736 MARK_FRAME_FACES_CHANGED (XFRAME (XWINDOW (locale)->frame));
|
|
|
1737 }
|
|
|
1738 else if (FRAMEP (locale))
|
|
|
1739 {
|
|
|
1740 MARK_FRAME_FACES_CHANGED (XFRAME (locale));
|
|
|
1741 }
|
|
|
1742 else if (DEVICEP (locale))
|
|
|
1743 {
|
|
|
1744 MARK_DEVICE_FRAMES_FACES_CHANGED (XDEVICE (locale));
|
|
|
1745 }
|
|
|
1746 else
|
|
|
1747 {
|
|
|
1748 Lisp_Object devcons, concons;
|
|
|
1749
|
|
|
1750 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
|
1751 MARK_DEVICE_FRAMES_FACES_CHANGED (XDEVICE (XCAR (devcons)));
|
|
|
1752 }
|
|
|
1753
|
|
|
1754 update_faces_inheritance (face, property);
|
|
|
1755 XFACE (face)->dirty = 1;
|
|
|
1756 }
|
|
|
1757
|
|
20
|
1758 DEFUN ("copy-face", Fcopy_face, 2, 6, 0, /*
|
|
0
|
1759 Defines and returns a new face which is a copy of an existing one,
|
|
|
1760 or makes an already-existing face be exactly like another. LOCALE,
|
|
|
1761 TAG-SET, EXACT-P, and HOW-TO-ADD are as in `copy-specifier'.
|
|
20
|
1762 */
|
|
|
1763 (old_face, new_name, locale, tag_set, exact_p, how_to_add))
|
|
0
|
1764 {
|
|
|
1765 struct Lisp_Face *fold, *fnew;
|
|
|
1766 Lisp_Object new_face = Qnil;
|
|
|
1767 struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
|
|
|
1768
|
|
|
1769 old_face = Fget_face (old_face);
|
|
|
1770
|
|
|
1771 /* We GCPRO old_face because it might be temporary, and GCing could
|
|
|
1772 occur in various places below. */
|
|
|
1773 GCPRO4 (tag_set, locale, old_face, new_face);
|
|
|
1774 /* check validity of how_to_add now. */
|
|
|
1775 (void) decode_how_to_add_specification (how_to_add);
|
|
|
1776 /* and of tag_set. */
|
|
|
1777 tag_set = decode_specifier_tag_set (tag_set);
|
|
|
1778 /* and of locale. */
|
|
|
1779 locale = decode_locale_list (locale);
|
|
|
1780
|
|
|
1781 new_face = Ffind_face (new_name);
|
|
|
1782 if (NILP (new_face))
|
|
|
1783 {
|
|
|
1784 Lisp_Object temp;
|
|
|
1785
|
|
|
1786 CHECK_SYMBOL (new_name);
|
|
|
1787
|
|
|
1788 /* Create the new face with the same status as the old face. */
|
|
|
1789 temp = (NILP (Fgethash (old_face, Vtemporary_faces_cache, Qnil))
|
|
|
1790 ? Qnil
|
|
|
1791 : Qt);
|
|
|
1792
|
|
|
1793 new_face = Fmake_face (new_name, Qnil, temp);
|
|
|
1794 }
|
|
|
1795
|
|
|
1796 fold = XFACE (old_face);
|
|
|
1797 fnew = XFACE (new_face);
|
|
|
1798
|
|
2
|
1799 #define COPY_PROPERTY(property) \
|
|
|
1800 Fcopy_specifier (fold->property, fnew->property, \
|
|
|
1801 locale, tag_set, exact_p, how_to_add);
|
|
|
1802
|
|
|
1803 COPY_PROPERTY (foreground);
|
|
|
1804 COPY_PROPERTY (background);
|
|
|
1805 COPY_PROPERTY (font);
|
|
|
1806 COPY_PROPERTY (display_table);
|
|
|
1807 COPY_PROPERTY (background_pixmap);
|
|
|
1808 COPY_PROPERTY (underline);
|
|
|
1809 COPY_PROPERTY (strikethru);
|
|
|
1810 COPY_PROPERTY (highlight);
|
|
|
1811 COPY_PROPERTY (dim);
|
|
|
1812 COPY_PROPERTY (blinking);
|
|
|
1813 COPY_PROPERTY (reverse);
|
|
|
1814 #undef COPY_PROPERTY
|
|
0
|
1815 /* #### should it copy the individual specifiers, if they exist? */
|
|
|
1816 fnew->plist = Fcopy_sequence (fold->plist);
|
|
|
1817
|
|
|
1818 UNGCPRO;
|
|
|
1819
|
|
|
1820 return new_name;
|
|
|
1821 }
|
|
|
1822
|
|
|
1823
|
|
|
1824 void
|
|
|
1825 syms_of_faces (void)
|
|
|
1826 {
|
|
|
1827 /* Qdefault defined in general.c */
|
|
|
1828 defsymbol (&Qmodeline, "modeline");
|
|
|
1829 defsymbol (&Qleft_margin, "left-margin");
|
|
|
1830 defsymbol (&Qright_margin, "right-margin");
|
|
|
1831 defsymbol (&Qtext_cursor, "text-cursor");
|
|
|
1832
|
|
20
|
1833 DEFSUBR (Ffacep);
|
|
|
1834 DEFSUBR (Ffind_face);
|
|
|
1835 DEFSUBR (Fget_face);
|
|
|
1836 DEFSUBR (Fface_name);
|
|
|
1837 DEFSUBR (Fbuilt_in_face_specifiers);
|
|
|
1838 DEFSUBR (Fface_list);
|
|
|
1839 DEFSUBR (Fmake_face);
|
|
|
1840 DEFSUBR (Fcopy_face);
|
|
0
|
1841
|
|
|
1842 defsymbol (&Qfacep, "facep");
|
|
|
1843 defsymbol (&Qforeground, "foreground");
|
|
|
1844 defsymbol (&Qbackground, "background");
|
|
|
1845 /* Qfont defined in general.c */
|
|
|
1846 defsymbol (&Qdisplay_table, "display-table");
|
|
|
1847 defsymbol (&Qbackground_pixmap, "background-pixmap");
|
|
|
1848 defsymbol (&Qunderline, "underline");
|
|
|
1849 defsymbol (&Qstrikethru, "strikethru");
|
|
|
1850 /* Qhighlight, Qreverse defined in general.c */
|
|
|
1851 defsymbol (&Qdim, "dim");
|
|
|
1852 defsymbol (&Qblinking, "blinking");
|
|
|
1853
|
|
|
1854 defsymbol (&Qinit_face_from_resources, "init-face-from-resources");
|
|
|
1855 defsymbol (&Qinit_global_faces, "init-global-faces");
|
|
|
1856 defsymbol (&Qinit_device_faces, "init-device-faces");
|
|
|
1857 defsymbol (&Qinit_frame_faces, "init-frame-faces");
|
|
|
1858 }
|
|
|
1859
|
|
|
1860 void
|
|
|
1861 structure_type_create_faces (void)
|
|
|
1862 {
|
|
|
1863 struct structure_type *st;
|
|
|
1864
|
|
|
1865 st = define_structure_type (Qface, face_validate, face_instantiate);
|
|
|
1866
|
|
|
1867 define_structure_type_keyword (st, Qname, face_name_validate);
|
|
|
1868 }
|
|
|
1869
|
|
|
1870 void
|
|
|
1871 vars_of_faces (void)
|
|
|
1872 {
|
|
|
1873 staticpro (&Vpermanent_faces_cache);
|
|
|
1874 Vpermanent_faces_cache = Qnil;
|
|
|
1875 staticpro (&Vtemporary_faces_cache);
|
|
|
1876 Vtemporary_faces_cache = Qnil;
|
|
|
1877
|
|
|
1878 staticpro (&Vdefault_face);
|
|
|
1879 Vdefault_face = Qnil;
|
|
|
1880 staticpro (&Vmodeline_face);
|
|
|
1881 Vmodeline_face = Qnil;
|
|
|
1882
|
|
|
1883 staticpro (&Vleft_margin_face);
|
|
|
1884 Vleft_margin_face = Qnil;
|
|
|
1885 staticpro (&Vright_margin_face);
|
|
|
1886 Vright_margin_face = Qnil;
|
|
|
1887 staticpro (&Vtext_cursor_face);
|
|
|
1888 Vtext_cursor_face = Qnil;
|
|
|
1889 staticpro (&Vpointer_face);
|
|
|
1890 Vpointer_face = Qnil;
|
|
|
1891
|
|
|
1892 {
|
|
|
1893 Lisp_Object syms[20];
|
|
|
1894 int n = 0;
|
|
|
1895
|
|
|
1896 syms[n++] = Qforeground;
|
|
|
1897 syms[n++] = Qbackground;
|
|
|
1898 syms[n++] = Qfont;
|
|
|
1899 syms[n++] = Qdisplay_table;
|
|
|
1900 syms[n++] = Qbackground_pixmap;
|
|
|
1901 syms[n++] = Qunderline;
|
|
|
1902 syms[n++] = Qstrikethru;
|
|
|
1903 syms[n++] = Qhighlight;
|
|
|
1904 syms[n++] = Qdim;
|
|
|
1905 syms[n++] = Qblinking;
|
|
|
1906 syms[n++] = Qreverse;
|
|
|
1907
|
|
|
1908 Vbuilt_in_face_specifiers = pure_list (n, syms);
|
|
|
1909 staticpro (&Vbuilt_in_face_specifiers);
|
|
|
1910 }
|
|
|
1911 }
|
|
|
1912
|
|
|
1913 void
|
|
|
1914 complex_vars_of_faces (void)
|
|
|
1915 {
|
|
|
1916 Vpermanent_faces_cache = make_lisp_hashtable (10, HASHTABLE_NONWEAK,
|
|
|
1917 HASHTABLE_EQ);
|
|
|
1918 Vtemporary_faces_cache = make_lisp_hashtable (0, HASHTABLE_WEAK,
|
|
|
1919 HASHTABLE_EQ);
|
|
|
1920
|
|
|
1921 /* Create the default face now so we know what it is immediately. */
|
|
|
1922
|
|
|
1923 Vdefault_face = Qnil; /* so that Fmake_face() doesn't set up a bogus
|
|
|
1924 default value */
|
|
|
1925 Vdefault_face = Fmake_face (Qdefault, build_string ("default face"),
|
|
|
1926 Qnil);
|
|
|
1927
|
|
|
1928 /* Provide some last-resort fallbacks to avoid utter fuckage if
|
|
|
1929 someone provides invalid values for the global specifications. */
|
|
|
1930
|
|
|
1931 {
|
|
|
1932 Lisp_Object fg_inst_list = Qnil, bg_inst_list = Qnil;
|
|
|
1933
|
|
|
1934 #ifdef HAVE_X_WINDOWS
|
|
|
1935 fg_inst_list = Fcons (Fcons (list1 (Qx), build_string ("black")),
|
|
|
1936 fg_inst_list);
|
|
|
1937 bg_inst_list = Fcons (Fcons (list1 (Qx), build_string ("white")),
|
|
|
1938 bg_inst_list);
|
|
|
1939 #endif
|
|
|
1940 #ifdef HAVE_TTY
|
|
|
1941 fg_inst_list = Fcons (Fcons (list1 (Qtty), Fvector (0, 0)),
|
|
|
1942 fg_inst_list);
|
|
|
1943 bg_inst_list = Fcons (Fcons (list1 (Qtty), Fvector (0, 0)),
|
|
|
1944 bg_inst_list);
|
|
|
1945 #endif
|
|
|
1946 set_specifier_fallback (Fget (Vdefault_face, Qforeground, Qnil),
|
|
|
1947 fg_inst_list);
|
|
|
1948 set_specifier_fallback (Fget (Vdefault_face, Qbackground, Qnil),
|
|
|
1949 bg_inst_list);
|
|
|
1950 }
|
|
|
1951
|
|
|
1952 /* #### We may want to have different fallback values if NeXTstep
|
|
|
1953 support is compiled in. */
|
|
|
1954 {
|
|
|
1955 Lisp_Object inst_list = Qnil;
|
|
|
1956 #ifdef HAVE_X_WINDOWS
|
|
|
1957 CONST char *fonts[30];
|
|
|
1958 int n = 0;
|
|
|
1959
|
|
|
1960 /* The same gory list from x-faces.el.
|
|
|
1961 (#### Perhaps we should remove the stuff from x-faces.el
|
|
|
1962 and only depend on this stuff here? That should work.)
|
|
|
1963 */
|
|
|
1964 fonts[n++] = "-*-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-*";
|
|
|
1965 fonts[n++] = "-*-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-*";
|
|
|
1966 fonts[n++] = "-*-courier-*-r-*-*-*-120-*-*-*-*-iso8859-*";
|
|
|
1967 fonts[n++] = "-*-*-medium-r-*-*-*-120-*-*-m-*-iso8859-*";
|
|
|
1968 fonts[n++] = "-*-*-medium-r-*-*-*-120-*-*-c-*-iso8859-*";
|
|
|
1969 fonts[n++] = "-*-*-*-r-*-*-*-120-*-*-m-*-iso8859-*";
|
|
|
1970 fonts[n++] = "-*-*-*-r-*-*-*-120-*-*-c-*-iso8859-*";
|
|
|
1971 fonts[n++] = "-*-*-*-r-*-*-*-120-*-*-*-*-iso8859-*";
|
|
|
1972 fonts[n++] = "-*-*-medium-r-*-*-*-120-*-*-m-*-*-*";
|
|
|
1973 fonts[n++] = "-*-*-medium-r-*-*-*-120-*-*-c-*-*-*";
|
|
|
1974 fonts[n++] = "-*-*-*-r-*-*-*-120-*-*-m-*-*-*";
|
|
|
1975 fonts[n++] = "-*-*-*-r-*-*-*-120-*-*-c-*-*-*";
|
|
|
1976 fonts[n++] = "-*-*-*-r-*-*-*-120-*-*-*-*-*-*";
|
|
|
1977 fonts[n++] = "-*-*-*-*-*-*-*-120-*-*-*-*-*-*";
|
|
|
1978 fonts[n++] = "*";
|
|
|
1979
|
|
|
1980 for (--n; n >= 0; --n)
|
|
|
1981 inst_list = Fcons (Fcons (list1 (Qx), build_string (fonts[n])),
|
|
|
1982 inst_list);
|
|
|
1983 #endif
|
|
|
1984 #ifdef HAVE_TTY
|
|
|
1985 inst_list = Fcons (Fcons (list1 (Qtty), build_string ("normal")),
|
|
|
1986 inst_list);
|
|
|
1987 #endif
|
|
|
1988 set_specifier_fallback (Fget (Vdefault_face, Qfont, Qnil), inst_list);
|
|
|
1989 }
|
|
|
1990
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1991 set_specifier_fallback (Fget (Vdefault_face, Qunderline, Qnil),
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1992 list1 (Fcons (Qnil, Qnil)));
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1993 set_specifier_fallback (Fget (Vdefault_face, Qstrikethru, Qnil),
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1994 list1 (Fcons (Qnil, Qnil)));
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1995 set_specifier_fallback (Fget (Vdefault_face, Qhighlight, Qnil),
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1996 list1 (Fcons (Qnil, Qnil)));
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1997 set_specifier_fallback (Fget (Vdefault_face, Qdim, Qnil),
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1998 list1 (Fcons (Qnil, Qnil)));
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1999 set_specifier_fallback (Fget (Vdefault_face, Qblinking, Qnil),
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2000 list1 (Fcons (Qnil, Qnil)));
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2001 set_specifier_fallback (Fget (Vdefault_face, Qreverse, Qnil),
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2002 list1 (Fcons (Qnil, Qnil)));
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2003
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2004 /* Now create the other faces that redisplay needs to refer to
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2005 directly. We could create them in Lisp but it's simpler this
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2006 way since we need to get them anyway. */
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2007 Vmodeline_face = Fmake_face (Qmodeline, build_string ("modeline face"),
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2008 Qnil);
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2009 Vleft_margin_face = Fmake_face (Qleft_margin,
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2010 build_string ("left margin face"),
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2011 Qnil);
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2012 Vright_margin_face = Fmake_face (Qright_margin,
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2013 build_string ("right margin face"),
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2014 Qnil);
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2015 Vtext_cursor_face = Fmake_face (Qtext_cursor,
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2016 build_string ("face for text cursor"),
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2017 Qnil);
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2018 Vpointer_face =
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2019 Fmake_face (Qpointer,
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2020 build_string
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2021 ("face for foreground/background colors of mouse pointer"),
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2022 Qnil);
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2023 }
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