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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 /* Qfont, Qdoc_string, Qface defined in general.c */
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51 Lisp_Object Qfacep;
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52 Lisp_Object Qforeground, Qbackground, Qdisplay_table;
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53 /* Qhighlight, Qreverse defined in general.c */
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54 Lisp_Object Qbackground_pixmap, Qunderline, Qdim;
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55 Lisp_Object Qblinking, Qstrikethru;
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56
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57 Lisp_Object Qinit_face_from_resources;
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58 Lisp_Object Qinit_frame_faces;
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59 Lisp_Object Qinit_device_faces;
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60 Lisp_Object Qinit_global_faces;
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61
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62 /* These faces are used directly internally. We use these variables
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63 to be able to reference them directly and save the overhead of
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64 calling Ffind_face. */
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65 Lisp_Object Vdefault_face, Vmodeline_face;
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66 Lisp_Object Vleft_margin_face, Vright_margin_face, Vtext_cursor_face;
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67 Lisp_Object Vpointer_face;
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68
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69 /* Qdefault, Qhighlight defined in general.c */
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70 Lisp_Object Qmodeline, Qleft_margin, Qright_margin, Qtext_cursor;
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71
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72 /* In the old implementation Vface_list was a list of the face names,
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73 not the faces themselves. We now distinguish between permanent and
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74 temporary faces. Permanent faces are kept in a regular hash table,
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75 temporary faces in a weak hash table. */
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76 Lisp_Object Vpermanent_faces_cache;
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77 Lisp_Object Vtemporary_faces_cache;
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78
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79 Lisp_Object Vbuilt_in_face_specifiers;
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80
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81
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82 static Lisp_Object mark_face (Lisp_Object, void (*) (Lisp_Object));
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83 static void print_face (Lisp_Object, Lisp_Object, int);
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84 static int face_equal (Lisp_Object, Lisp_Object, int depth);
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85 static unsigned long face_hash (Lisp_Object obj, int depth);
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86 static Lisp_Object face_getprop (Lisp_Object obj, Lisp_Object prop);
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87 static int face_putprop (Lisp_Object obj, Lisp_Object prop, Lisp_Object value);
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88 static int face_remprop (Lisp_Object obj, Lisp_Object prop);
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89 static Lisp_Object face_plist (Lisp_Object obj);
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90 DEFINE_LRECORD_IMPLEMENTATION_WITH_PROPS ("face", face,
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91 mark_face, print_face, 0, face_equal,
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92 face_hash, face_getprop,
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93 face_putprop, face_remprop,
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94 face_plist, struct Lisp_Face);
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95
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96 static Lisp_Object
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97 mark_face (Lisp_Object obj, void (*markobj) (Lisp_Object))
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98 {
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99 struct Lisp_Face *face = XFACE (obj);
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100
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101 ((markobj) (face->name));
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102 ((markobj) (face->doc_string));
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103
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104 ((markobj) (face->foreground));
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105 ((markobj) (face->background));
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106 ((markobj) (face->font));
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107 ((markobj) (face->display_table));
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108 ((markobj) (face->background_pixmap));
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109 ((markobj) (face->underline));
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110 ((markobj) (face->strikethru));
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111 ((markobj) (face->highlight));
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112 ((markobj) (face->dim));
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113 ((markobj) (face->blinking));
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114 ((markobj) (face->reverse));
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115
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116 ((markobj) (face->charsets_warned_about));
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117
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173
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118 return face->plist;
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0
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119 }
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120
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121 static void
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122 print_face (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
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123 {
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124 struct Lisp_Face *face = XFACE (obj);
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125
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126 if (print_readably)
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127 {
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128 write_c_string ("#s(face name ", printcharfun);
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129 print_internal (face->name, printcharfun, 1);
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130 write_c_string (")", printcharfun);
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131 }
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132 else
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133 {
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134 write_c_string ("#<face ", printcharfun);
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135 print_internal (face->name, printcharfun, 1);
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136 if (!NILP (face->doc_string))
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137 {
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138 write_c_string (" ", printcharfun);
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139 print_internal (face->doc_string, printcharfun, 1);
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140 }
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141 write_c_string (">", printcharfun);
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142 }
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143 }
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144
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145 /* Faces are equal if all of their display attributes are equal. We
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146 don't compare names or doc-strings, because that would make equal
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147 be eq.
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148
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149 This isn't concerned with "unspecified" attributes, that's what
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150 #'face-differs-from-default-p is for. */
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151 static int
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152 face_equal (Lisp_Object o1, Lisp_Object o2, int depth)
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153 {
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154 struct Lisp_Face *f1 = XFACE (o1);
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155 struct Lisp_Face *f2 = XFACE (o2);
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156
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157 depth++;
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158
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183
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159 return
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160 (internal_equal (f1->foreground, f2->foreground, depth) &&
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161 internal_equal (f1->background, f2->background, depth) &&
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162 internal_equal (f1->font, f2->font, depth) &&
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163 internal_equal (f1->display_table, f2->display_table, depth) &&
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164 internal_equal (f1->background_pixmap, f2->background_pixmap, depth) &&
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165 internal_equal (f1->underline, f2->underline, depth) &&
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166 internal_equal (f1->strikethru, f2->strikethru, depth) &&
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167 internal_equal (f1->highlight, f2->highlight, depth) &&
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168 internal_equal (f1->dim, f2->dim, depth) &&
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169 internal_equal (f1->blinking, f2->blinking, depth) &&
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170 internal_equal (f1->reverse, f2->reverse, depth) &&
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0
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171
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183
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172 ! plists_differ (f1->plist, f2->plist, 0, 0, depth + 1));
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0
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173 }
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174
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175 static unsigned long
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176 face_hash (Lisp_Object obj, int depth)
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177 {
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178 struct Lisp_Face *f = XFACE (obj);
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179
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180 depth++;
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181
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182 /* No need to hash all of the elements; that would take too long.
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183 Just hash the most common ones. */
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184 return HASH3 (internal_hash (f->foreground, depth),
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185 internal_hash (f->background, depth),
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183
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186 internal_hash (f->font, depth));
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0
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187 }
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188
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189 static Lisp_Object
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190 face_getprop (Lisp_Object obj, Lisp_Object prop)
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191 {
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192 struct Lisp_Face *f = XFACE (obj);
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193
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183
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194 return
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195 ((EQ (prop, Qforeground)) ? f->foreground :
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196 (EQ (prop, Qbackground)) ? f->background :
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197 (EQ (prop, Qfont)) ? f->font :
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198 (EQ (prop, Qdisplay_table)) ? f->display_table :
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199 (EQ (prop, Qbackground_pixmap)) ? f->background_pixmap :
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200 (EQ (prop, Qunderline)) ? f->underline :
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201 (EQ (prop, Qstrikethru)) ? f->strikethru :
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202 (EQ (prop, Qhighlight)) ? f->highlight :
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203 (EQ (prop, Qdim)) ? f->dim :
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204 (EQ (prop, Qblinking)) ? f->blinking :
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205 (EQ (prop, Qreverse)) ? f->reverse :
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206 (EQ (prop, Qdoc_string)) ? f->doc_string :
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207 external_plist_get (&f->plist, prop, 0, ERROR_ME));
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0
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208 }
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209
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210 static int
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211 face_putprop (Lisp_Object obj, Lisp_Object prop, Lisp_Object value)
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212 {
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213 struct Lisp_Face *f = XFACE (obj);
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214
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183
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215 if (EQ (prop, Qforeground) ||
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216 EQ (prop, Qbackground) ||
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217 EQ (prop, Qfont) ||
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218 EQ (prop, Qdisplay_table) ||
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219 EQ (prop, Qbackground_pixmap) ||
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220 EQ (prop, Qunderline) ||
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221 EQ (prop, Qstrikethru) ||
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222 EQ (prop, Qhighlight) ||
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223 EQ (prop, Qdim) ||
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224 EQ (prop, Qblinking) ||
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225 EQ (prop, Qreverse))
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226 return 0;
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0
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227
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228 if (EQ (prop, Qdoc_string))
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229 {
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230 if (!NILP (value))
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231 CHECK_STRING (value);
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232 f->doc_string = value;
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233 return 1;
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234 }
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235
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236 external_plist_put (&f->plist, prop, value, 0, ERROR_ME);
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237 return 1;
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238 }
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239
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240 static int
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241 face_remprop (Lisp_Object obj, Lisp_Object prop)
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242 {
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243 struct Lisp_Face *f = XFACE (obj);
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244
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183
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245 if (EQ (prop, Qforeground) ||
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246 EQ (prop, Qbackground) ||
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247 EQ (prop, Qfont) ||
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248 EQ (prop, Qdisplay_table) ||
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249 EQ (prop, Qbackground_pixmap) ||
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250 EQ (prop, Qunderline) ||
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251 EQ (prop, Qstrikethru) ||
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252 EQ (prop, Qhighlight) ||
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253 EQ (prop, Qdim) ||
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254 EQ (prop, Qblinking) ||
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255 EQ (prop, Qreverse))
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256 return -1;
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0
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257
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258 if (EQ (prop, Qdoc_string))
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259 {
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260 f->doc_string = Qnil;
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261 return 1;
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262 }
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263
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264 return external_remprop (&f->plist, prop, 0, ERROR_ME);
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265 }
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266
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267 static Lisp_Object
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268 face_plist (Lisp_Object obj)
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269 {
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270 struct Lisp_Face *f = XFACE (obj);
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271 Lisp_Object result = Qnil;
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272
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183
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273 /* backwards order; we reverse it below */
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274 result = Fcons (f->foreground, Fcons (Qforeground, result));
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275 result = Fcons (f->background, Fcons (Qbackground, result));
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276 result = Fcons (f->font, Fcons (Qfont, result));
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277 result = Fcons (f->display_table, Fcons (Qdisplay_table, result));
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278 result = Fcons (f->background_pixmap, Fcons (Qbackground_pixmap, result));
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279 result = Fcons (f->underline, Fcons (Qunderline, result));
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280 result = Fcons (f->strikethru, Fcons (Qstrikethru, result));
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281 result = Fcons (f->highlight, Fcons (Qhighlight, result));
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282 result = Fcons (f->dim, Fcons (Qdim, result));
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283 result = Fcons (f->blinking, Fcons (Qblinking, result));
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284 result = Fcons (f->reverse, Fcons (Qreverse, result));
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0
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285
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286 return nconc2 (Fnreverse (result), f->plist);
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287 }
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288
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289
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290 /************************************************************************/
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291 /* face read syntax */
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292 /************************************************************************/
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293
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294 static int
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295 face_name_validate (Lisp_Object keyword, Lisp_Object value,
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296 Error_behavior errb)
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297 {
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298 if (ERRB_EQ (errb, ERROR_ME))
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299 {
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300 CHECK_SYMBOL (value);
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301 return 1;
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302 }
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303
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304 return SYMBOLP (value);
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305 }
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306
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307 static int
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308 face_validate (Lisp_Object data, Error_behavior errb)
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309 {
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310 int name_seen = 0;
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173
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311 Lisp_Object valw = Qnil;
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0
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312
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313 data = Fcdr (data); /* skip over Qface */
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314 while (!NILP (data))
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315 {
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316 Lisp_Object keyw = Fcar (data);
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317
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318 data = Fcdr (data);
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319 valw = Fcar (data);
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320 data = Fcdr (data);
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321 if (EQ (keyw, Qname))
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223
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322 name_seen = 1;
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0
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323 else
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324 abort ();
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325 }
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326
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327 if (!name_seen)
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328 {
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329 maybe_error (Qface, errb, "No face name given");
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330 return 0;
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331 }
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332
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333 if (NILP (Ffind_face (valw)))
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334 {
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335 maybe_signal_simple_error ("No such face", valw, Qface, errb);
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336 return 0;
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337 }
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338
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339 return 1;
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340 }
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341
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342 static Lisp_Object
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343 face_instantiate (Lisp_Object data)
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344 {
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345 return Fget_face (Fcar (Fcdr (data)));
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346 }
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347
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348
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349 /****************************************************************************
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350 * utility functions *
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351 ****************************************************************************/
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352
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353 static void
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354 reset_face (struct Lisp_Face *f)
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355 {
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356 f->name = Qnil;
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357 f->doc_string = Qnil;
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358 f->dirty = 0;
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359 f->foreground = Qnil;
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360 f->background = Qnil;
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361 f->font = Qnil;
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362 f->display_table = Qnil;
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363 f->background_pixmap = Qnil;
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364 f->underline = Qnil;
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365 f->strikethru = Qnil;
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366 f->highlight = Qnil;
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367 f->dim = Qnil;
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368 f->blinking = Qnil;
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369 f->reverse = Qnil;
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370 f->plist = Qnil;
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371 f->charsets_warned_about = Qnil;
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372 }
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373
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374 static struct Lisp_Face *
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375 allocate_face (void)
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376 {
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377 struct Lisp_Face *result =
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185
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378 alloc_lcrecord_type (struct Lisp_Face, lrecord_face);
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0
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379
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380 reset_face (result);
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381 return result;
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382 }
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383
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384
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385 /* We store the faces in hash tables with the names as the key and the
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386 actual face object as the value. Occasionally we need to use them
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387 in a list format. These routines provide us with that. */
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388 struct face_list_closure
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389 {
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390 Lisp_Object *face_list;
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391 };
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392
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393 static void
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394 add_face_to_list_mapper (CONST void *hash_key, void *hash_contents,
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395 void *face_list_closure)
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396 {
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397 /* This function can GC */
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398 Lisp_Object key, contents;
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399 Lisp_Object *face_list;
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185
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400 struct face_list_closure *fcl =
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401 (struct face_list_closure *) face_list_closure;
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0
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402 CVOID_TO_LISP (key, hash_key);
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|
|
403 VOID_TO_LISP (contents, hash_contents);
|
|
|
404 face_list = fcl->face_list;
|
|
|
405
|
|
|
406 *face_list = Fcons (XFACE (contents)->name, *face_list);
|
|
|
407 }
|
|
|
408
|
|
|
409 static Lisp_Object
|
|
|
410 faces_list_internal (Lisp_Object list)
|
|
|
411 {
|
|
|
412 Lisp_Object face_list = Qnil;
|
|
|
413 struct gcpro gcpro1;
|
|
|
414 struct face_list_closure face_list_closure;
|
|
|
415
|
|
|
416 GCPRO1 (face_list);
|
|
|
417 face_list_closure.face_list = &face_list;
|
|
|
418 elisp_maphash (add_face_to_list_mapper, list, &face_list_closure);
|
|
|
419 UNGCPRO;
|
|
|
420
|
|
|
421 return face_list;
|
|
|
422 }
|
|
|
423
|
|
|
424 static Lisp_Object
|
|
|
425 permanent_faces_list (void)
|
|
|
426 {
|
|
|
427 return faces_list_internal (Vpermanent_faces_cache);
|
|
|
428 }
|
|
|
429
|
|
|
430 static Lisp_Object
|
|
|
431 temporary_faces_list (void)
|
|
|
432 {
|
|
|
433 return faces_list_internal (Vtemporary_faces_cache);
|
|
|
434 }
|
|
|
435
|
|
|
436
|
|
|
437 static void
|
|
|
438 mark_face_as_clean_mapper (CONST void *hash_key, void *hash_contents,
|
|
|
439 void *flag_closure)
|
|
|
440 {
|
|
|
441 /* This function can GC */
|
|
|
442 Lisp_Object key, contents;
|
|
|
443 int *flag = flag_closure;
|
|
|
444 CVOID_TO_LISP (key, hash_key);
|
|
|
445 VOID_TO_LISP (contents, hash_contents);
|
|
|
446 XFACE (contents)->dirty = *flag;
|
|
|
447 }
|
|
|
448
|
|
|
449 static void
|
|
|
450 mark_all_faces_internal (int flag)
|
|
|
451 {
|
|
|
452 elisp_maphash (mark_face_as_clean_mapper, Vpermanent_faces_cache, &flag);
|
|
|
453 elisp_maphash (mark_face_as_clean_mapper, Vtemporary_faces_cache, &flag);
|
|
|
454 }
|
|
|
455
|
|
|
456 void
|
|
|
457 mark_all_faces_as_clean (void)
|
|
|
458 {
|
|
|
459 mark_all_faces_internal (0);
|
|
|
460 }
|
|
|
461
|
|
223
|
462 /* Currently unused (see the comment in face_property_was_changed()). */
|
|
|
463 #if 0
|
|
0
|
464 /* #### OBSOLETE ME, PLEASE. Maybe. Maybe this is just as good as
|
|
|
465 any other solution. */
|
|
|
466 struct face_inheritance_closure
|
|
|
467 {
|
|
|
468 Lisp_Object face;
|
|
|
469 Lisp_Object property;
|
|
|
470 };
|
|
|
471
|
|
|
472 static void
|
|
|
473 update_inheritance_mapper_internal (Lisp_Object cur_face,
|
|
|
474 Lisp_Object inh_face,
|
|
|
475 Lisp_Object property)
|
|
|
476 {
|
|
|
477 /* #### fix this function */
|
|
|
478 Lisp_Object elt = Qnil;
|
|
|
479 struct gcpro gcpro1;
|
|
|
480
|
|
|
481 GCPRO1 (elt);
|
|
|
482
|
|
|
483 for (elt = FACE_PROPERTY_SPEC_LIST (cur_face, property, Qall);
|
|
|
484 !NILP (elt);
|
|
|
485 elt = XCDR (elt))
|
|
|
486 {
|
|
183
|
487 Lisp_Object values = XCDR (XCAR (elt));
|
|
0
|
488
|
|
|
489 for (; !NILP (values); values = XCDR (values))
|
|
|
490 {
|
|
|
491 Lisp_Object value = XCDR (XCAR (values));
|
|
173
|
492 if (VECTORP (value) && XVECTOR_LENGTH (value))
|
|
0
|
493 {
|
|
173
|
494 if (EQ (Ffind_face (XVECTOR_DATA (value)[0]), inh_face))
|
|
0
|
495 Fset_specifier_dirty_flag
|
|
|
496 (FACE_PROPERTY_SPECIFIER (inh_face, property));
|
|
|
497 }
|
|
|
498 }
|
|
|
499 }
|
|
|
500
|
|
|
501 UNGCPRO;
|
|
|
502 }
|
|
|
503
|
|
|
504 static void
|
|
|
505 update_face_inheritance_mapper (CONST void *hash_key, void *hash_contents,
|
|
|
506 void *face_inheritance_closure)
|
|
|
507 {
|
|
|
508 Lisp_Object key, contents;
|
|
185
|
509 struct face_inheritance_closure *fcl =
|
|
|
510 (struct face_inheritance_closure *) face_inheritance_closure;
|
|
0
|
511
|
|
|
512 CVOID_TO_LISP (key, hash_key);
|
|
|
513 VOID_TO_LISP (contents, hash_contents);
|
|
|
514
|
|
|
515 if (EQ (fcl->property, Qfont))
|
|
|
516 {
|
|
|
517 update_inheritance_mapper_internal (contents, fcl->face, Qfont);
|
|
|
518 }
|
|
183
|
519 else if (EQ (fcl->property, Qforeground) ||
|
|
|
520 EQ (fcl->property, Qbackground))
|
|
0
|
521 {
|
|
|
522 update_inheritance_mapper_internal (contents, fcl->face, Qforeground);
|
|
|
523 update_inheritance_mapper_internal (contents, fcl->face, Qbackground);
|
|
|
524 }
|
|
183
|
525 else if (EQ (fcl->property, Qunderline) ||
|
|
|
526 EQ (fcl->property, Qstrikethru) ||
|
|
|
527 EQ (fcl->property, Qhighlight) ||
|
|
|
528 EQ (fcl->property, Qdim) ||
|
|
|
529 EQ (fcl->property, Qblinking) ||
|
|
|
530 EQ (fcl->property, Qreverse))
|
|
0
|
531 {
|
|
|
532 update_inheritance_mapper_internal (contents, fcl->face, Qunderline);
|
|
|
533 update_inheritance_mapper_internal (contents, fcl->face, Qstrikethru);
|
|
|
534 update_inheritance_mapper_internal (contents, fcl->face, Qhighlight);
|
|
|
535 update_inheritance_mapper_internal (contents, fcl->face, Qdim);
|
|
|
536 update_inheritance_mapper_internal (contents, fcl->face, Qblinking);
|
|
|
537 update_inheritance_mapper_internal (contents, fcl->face, Qreverse);
|
|
|
538 }
|
|
|
539 }
|
|
|
540
|
|
|
541 static void
|
|
|
542 update_faces_inheritance (Lisp_Object face, Lisp_Object property)
|
|
|
543 {
|
|
|
544 struct face_inheritance_closure face_inheritance_closure;
|
|
|
545 struct gcpro gcpro1, gcpro2;
|
|
|
546
|
|
|
547 GCPRO2 (face, property);
|
|
|
548 face_inheritance_closure.face = face;
|
|
|
549 face_inheritance_closure.property = property;
|
|
|
550
|
|
|
551 elisp_maphash (update_face_inheritance_mapper, Vpermanent_faces_cache,
|
|
|
552 &face_inheritance_closure);
|
|
|
553 elisp_maphash (update_face_inheritance_mapper, Vtemporary_faces_cache,
|
|
|
554 &face_inheritance_closure);
|
|
|
555
|
|
|
556 UNGCPRO;
|
|
|
557 }
|
|
223
|
558 #endif /* 0 */
|
|
0
|
559
|
|
|
560 Lisp_Object
|
|
|
561 face_property_matching_instance (Lisp_Object face, Lisp_Object property,
|
|
|
562 Lisp_Object charset, Lisp_Object domain,
|
|
|
563 Error_behavior errb, int no_fallback,
|
|
|
564 Lisp_Object depth)
|
|
|
565 {
|
|
|
566 Lisp_Object retval =
|
|
|
567 specifier_instance_no_quit (Fget (face, property, Qnil), charset,
|
|
|
568 domain, errb, no_fallback, depth);
|
|
|
569
|
|
|
570 if (UNBOUNDP (retval) && !no_fallback)
|
|
|
571 {
|
|
|
572 if (EQ (property, Qfont))
|
|
|
573 {
|
|
|
574 if (NILP (memq_no_quit (charset,
|
|
|
575 XFACE (face)->charsets_warned_about)))
|
|
|
576 {
|
|
70
|
577 #ifdef MULE
|
|
207
|
578 if (! UNBOUNDP (charset))
|
|
|
579 warn_when_safe
|
|
|
580 (Qfont, Qwarning,
|
|
|
581 "Unable to instantiate font for face %s, charset %s",
|
|
|
582 string_data (symbol_name
|
|
|
583 (XSYMBOL (XFACE (face)->name))),
|
|
|
584 string_data (symbol_name
|
|
|
585 (XSYMBOL (XCHARSET_NAME (charset)))));
|
|
|
586 else
|
|
70
|
587 #endif
|
|
207
|
588 warn_when_safe (Qfont, Qwarning,
|
|
|
589 "Unable to instantiate font for face %s",
|
|
|
590 string_data (symbol_name
|
|
|
591 (XSYMBOL (XFACE (face)->name))));
|
|
0
|
592 XFACE (face)->charsets_warned_about =
|
|
|
593 Fcons (charset, XFACE (face)->charsets_warned_about);
|
|
|
594 }
|
|
|
595 retval = Vthe_null_font_instance;
|
|
|
596 }
|
|
|
597 }
|
|
|
598
|
|
|
599 return retval;
|
|
|
600 }
|
|
|
601
|
|
|
602
|
|
20
|
603 DEFUN ("facep", Ffacep, 1, 1, 0, /*
|
|
0
|
604 Return non-nil if OBJECT is a face.
|
|
20
|
605 */
|
|
|
606 (object))
|
|
0
|
607 {
|
|
173
|
608 return FACEP (object) ? Qt : Qnil;
|
|
0
|
609 }
|
|
|
610
|
|
20
|
611 DEFUN ("find-face", Ffind_face, 1, 1, 0, /*
|
|
0
|
612 Retrieve the face of the given name.
|
|
|
613 If FACE-OR-NAME is a face object, it is simply returned.
|
|
|
614 Otherwise, FACE-OR-NAME should be a symbol. If there is no such face,
|
|
|
615 nil is returned. Otherwise the associated face object is returned.
|
|
20
|
616 */
|
|
|
617 (face_or_name))
|
|
0
|
618 {
|
|
|
619 Lisp_Object retval;
|
|
|
620
|
|
|
621 if (FACEP (face_or_name))
|
|
|
622 return face_or_name;
|
|
|
623 CHECK_SYMBOL (face_or_name);
|
|
|
624
|
|
|
625 /* Check if the name represents a permanent face. */
|
|
|
626 retval = Fgethash (face_or_name, Vpermanent_faces_cache, Qnil);
|
|
|
627 if (!NILP (retval))
|
|
|
628 return retval;
|
|
|
629
|
|
|
630 /* Check if the name represents a temporary face. */
|
|
|
631 return Fgethash (face_or_name, Vtemporary_faces_cache, Qnil);
|
|
|
632 }
|
|
|
633
|
|
20
|
634 DEFUN ("get-face", Fget_face, 1, 1, 0, /*
|
|
0
|
635 Retrieve the face of the given name.
|
|
|
636 Same as `find-face' except an error is signalled if there is no such
|
|
|
637 face instead of returning nil.
|
|
20
|
638 */
|
|
|
639 (name))
|
|
0
|
640 {
|
|
|
641 Lisp_Object face = Ffind_face (name);
|
|
|
642
|
|
|
643 if (NILP (face))
|
|
|
644 signal_simple_error ("No such face", name);
|
|
|
645 return face;
|
|
|
646 }
|
|
|
647
|
|
20
|
648 DEFUN ("face-name", Fface_name, 1, 1, 0, /*
|
|
0
|
649 Return the name of the given face.
|
|
20
|
650 */
|
|
|
651 (face))
|
|
0
|
652 {
|
|
173
|
653 return XFACE (Fget_face (face))->name;
|
|
0
|
654 }
|
|
|
655
|
|
20
|
656 DEFUN ("built-in-face-specifiers", Fbuilt_in_face_specifiers, 0, 0, 0, /*
|
|
0
|
657 Return a list of all built-in face specifier properties.
|
|
|
658 Don't modify this list!
|
|
20
|
659 */
|
|
|
660 ())
|
|
0
|
661 {
|
|
|
662 return Vbuilt_in_face_specifiers;
|
|
|
663 }
|
|
|
664
|
|
|
665 /* These values are retrieved so often that we make a special
|
|
|
666 function.
|
|
|
667 */
|
|
|
668
|
|
|
669 void
|
|
|
670 default_face_font_info (Lisp_Object domain, int *ascent, int *descent,
|
|
|
671 int *height, int *width, int *proportional_p)
|
|
|
672 {
|
|
|
673 Lisp_Object font_instance;
|
|
|
674
|
|
|
675 if (noninteractive)
|
|
|
676 {
|
|
|
677 if (ascent)
|
|
|
678 *ascent = 1;
|
|
|
679 if (descent)
|
|
|
680 *descent = 0;
|
|
|
681 if (height)
|
|
|
682 *height = 1;
|
|
|
683 if (width)
|
|
|
684 *width = 1;
|
|
|
685 if (proportional_p)
|
|
|
686 *proportional_p = 0;
|
|
|
687 return;
|
|
|
688 }
|
|
|
689
|
|
|
690 /* We use ASCII here. This is probably reasonable because the
|
|
|
691 people calling this function are using the resulting values to
|
|
|
692 come up with overall sizes for windows and frames. */
|
|
|
693 if (WINDOWP (domain))
|
|
|
694 {
|
|
|
695 struct face_cachel *cachel;
|
|
|
696 struct window *w = XWINDOW (domain);
|
|
|
697
|
|
|
698 /* #### It's possible for this function to get called when the
|
|
|
699 face cachels have not been initialized. I don't know why. */
|
|
|
700 if (!Dynarr_length (w->face_cachels))
|
|
|
701 reset_face_cachels (w);
|
|
|
702 cachel = WINDOW_FACE_CACHEL (w, DEFAULT_INDEX);
|
|
|
703 font_instance = FACE_CACHEL_FONT (cachel, Vcharset_ascii);
|
|
|
704 }
|
|
|
705 else
|
|
|
706 {
|
|
|
707 font_instance = FACE_FONT (Vdefault_face, domain, Vcharset_ascii);
|
|
|
708 }
|
|
|
709
|
|
|
710 if (height)
|
|
|
711 *height = XFONT_INSTANCE (font_instance)->height;
|
|
|
712 if (width)
|
|
|
713 *width = XFONT_INSTANCE (font_instance)->width;
|
|
|
714 if (ascent)
|
|
|
715 *ascent = XFONT_INSTANCE (font_instance)->ascent;
|
|
|
716 if (descent)
|
|
|
717 *descent = XFONT_INSTANCE (font_instance)->descent;
|
|
|
718 if (proportional_p)
|
|
|
719 *proportional_p = XFONT_INSTANCE (font_instance)->proportional_p;
|
|
|
720 }
|
|
|
721
|
|
|
722 void
|
|
|
723 default_face_height_and_width (Lisp_Object domain,
|
|
|
724 int *height, int *width)
|
|
|
725 {
|
|
|
726 default_face_font_info (domain, 0, 0, height, width, 0);
|
|
|
727 }
|
|
|
728
|
|
20
|
729 DEFUN ("face-list", Fface_list, 0, 1, 0, /*
|
|
0
|
730 Return a list of the names of all defined faces.
|
|
|
731 If TEMPORARY is nil, only the permanent faces are included.
|
|
|
732 If it is t, only the temporary faces are included. If it is any
|
|
|
733 other non-nil value both permanent and temporary are included.
|
|
20
|
734 */
|
|
|
735 (temporary))
|
|
0
|
736 {
|
|
|
737 Lisp_Object face_list = Qnil;
|
|
|
738
|
|
|
739 /* Added the permanent faces, if requested. */
|
|
|
740 if (NILP (temporary) || !EQ (Qt, temporary))
|
|
|
741 face_list = permanent_faces_list ();
|
|
|
742
|
|
|
743 if (!NILP (temporary))
|
|
|
744 {
|
|
|
745 struct gcpro gcpro1;
|
|
|
746 GCPRO1 (face_list);
|
|
|
747 face_list = nconc2 (face_list, temporary_faces_list ());
|
|
|
748 UNGCPRO;
|
|
|
749 }
|
|
|
750
|
|
|
751 return face_list;
|
|
|
752 }
|
|
|
753
|
|
20
|
754 DEFUN ("make-face", Fmake_face, 1, 3, 0, /*
|
|
0
|
755 Defines and returns a new FACE described by DOC-STRING.
|
|
|
756 You can modify the font, color, etc of a face with the set-face- functions.
|
|
|
757 If the face already exists, it is unmodified.
|
|
|
758 If TEMPORARY is non-nil, this face will cease to exist if not in use.
|
|
20
|
759 */
|
|
|
760 (name, doc_string, temporary))
|
|
0
|
761 {
|
|
|
762 /* This function can GC if initialized is non-zero */
|
|
|
763 struct Lisp_Face *f;
|
|
|
764 Lisp_Object face;
|
|
|
765
|
|
|
766 CHECK_SYMBOL (name);
|
|
|
767 if (!NILP (doc_string))
|
|
|
768 CHECK_STRING (doc_string);
|
|
|
769
|
|
|
770 face = Ffind_face (name);
|
|
|
771 if (!NILP (face))
|
|
|
772 return face;
|
|
|
773
|
|
|
774 f = allocate_face ();
|
|
|
775 XSETFACE (face, f);
|
|
|
776
|
|
|
777 f->name = name;
|
|
|
778 f->doc_string = doc_string;
|
|
|
779 f->foreground = Fmake_specifier (Qcolor);
|
|
|
780 set_color_attached_to (f->foreground, face, Qforeground);
|
|
|
781 f->background = Fmake_specifier (Qcolor);
|
|
|
782 set_color_attached_to (f->background, face, Qbackground);
|
|
|
783 f->font = Fmake_specifier (Qfont);
|
|
|
784 set_font_attached_to (f->font, face, Qfont);
|
|
|
785 f->background_pixmap = Fmake_specifier (Qimage);
|
|
|
786 set_image_attached_to (f->background_pixmap, face, Qbackground_pixmap);
|
|
116
|
787 f->display_table = Fmake_specifier (Qdisplay_table);
|
|
0
|
788 f->underline = Fmake_specifier (Qface_boolean);
|
|
|
789 set_face_boolean_attached_to (f->underline, face, Qunderline);
|
|
|
790 f->strikethru = Fmake_specifier (Qface_boolean);
|
|
|
791 set_face_boolean_attached_to (f->strikethru, face, Qstrikethru);
|
|
|
792 f->highlight = Fmake_specifier (Qface_boolean);
|
|
|
793 set_face_boolean_attached_to (f->highlight, face, Qhighlight);
|
|
|
794 f->dim = Fmake_specifier (Qface_boolean);
|
|
|
795 set_face_boolean_attached_to (f->dim, face, Qdim);
|
|
|
796 f->blinking = Fmake_specifier (Qface_boolean);
|
|
|
797 set_face_boolean_attached_to (f->blinking, face, Qblinking);
|
|
|
798 f->reverse = Fmake_specifier (Qface_boolean);
|
|
|
799 set_face_boolean_attached_to (f->reverse, face, Qreverse);
|
|
|
800 if (!NILP (Vdefault_face))
|
|
|
801 {
|
|
|
802 /* If the default face has already been created, set it as
|
|
|
803 the default fallback specifier for all the specifiers we
|
|
|
804 just created. This implements the standard "all faces
|
|
|
805 inherit from default" behavior. */
|
|
|
806 set_specifier_fallback (f->foreground,
|
|
|
807 Fget (Vdefault_face, Qforeground, Qunbound));
|
|
|
808 set_specifier_fallback (f->background,
|
|
|
809 Fget (Vdefault_face, Qbackground, Qunbound));
|
|
|
810 set_specifier_fallback (f->font,
|
|
|
811 Fget (Vdefault_face, Qfont, Qunbound));
|
|
|
812 set_specifier_fallback (f->background_pixmap,
|
|
|
813 Fget (Vdefault_face, Qbackground_pixmap,
|
|
|
814 Qunbound));
|
|
|
815 set_specifier_fallback (f->display_table,
|
|
|
816 Fget (Vdefault_face, Qdisplay_table, Qunbound));
|
|
|
817 set_specifier_fallback (f->underline,
|
|
|
818 Fget (Vdefault_face, Qunderline, Qunbound));
|
|
|
819 set_specifier_fallback (f->strikethru,
|
|
|
820 Fget (Vdefault_face, Qstrikethru, Qunbound));
|
|
|
821 set_specifier_fallback (f->highlight,
|
|
|
822 Fget (Vdefault_face, Qhighlight, Qunbound));
|
|
|
823 set_specifier_fallback (f->dim,
|
|
|
824 Fget (Vdefault_face, Qdim, Qunbound));
|
|
|
825 set_specifier_fallback (f->blinking,
|
|
|
826 Fget (Vdefault_face, Qblinking, Qunbound));
|
|
|
827 set_specifier_fallback (f->reverse,
|
|
|
828 Fget (Vdefault_face, Qreverse, Qunbound));
|
|
|
829 }
|
|
|
830
|
|
|
831 /* Add the face to the appropriate list. */
|
|
|
832 if (NILP (temporary))
|
|
|
833 Fputhash (name, face, Vpermanent_faces_cache);
|
|
|
834 else
|
|
|
835 Fputhash (name, face, Vtemporary_faces_cache);
|
|
|
836
|
|
|
837 /* Note that it's OK if we dump faces.
|
|
|
838 When we start up again when we're not noninteractive,
|
|
|
839 `init-global-faces' is called and it resources all
|
|
|
840 existing faces. */
|
|
|
841 if (initialized && !noninteractive)
|
|
|
842 {
|
|
|
843 struct gcpro gcpro1, gcpro2;
|
|
|
844
|
|
|
845 GCPRO2 (name, face);
|
|
|
846 call1 (Qinit_face_from_resources, name);
|
|
|
847 UNGCPRO;
|
|
|
848 }
|
|
|
849
|
|
|
850 return face;
|
|
|
851 }
|
|
|
852
|
|
|
853
|
|
|
854 /*****************************************************************************
|
|
|
855 initialization code
|
|
|
856 ****************************************************************************/
|
|
|
857
|
|
|
858 void
|
|
|
859 init_global_faces (struct device *d)
|
|
|
860 {
|
|
|
861 /* When making the initial terminal device, there is no Lisp code
|
|
|
862 loaded, so we can't do this. */
|
|
|
863 if (initialized && !noninteractive)
|
|
|
864 {
|
|
|
865 call_critical_lisp_code (d, Qinit_global_faces, Qnil);
|
|
|
866 }
|
|
|
867 }
|
|
|
868
|
|
|
869 void
|
|
|
870 init_device_faces (struct device *d)
|
|
|
871 {
|
|
|
872 /* When making the initial terminal device, there is no Lisp code
|
|
|
873 loaded, so we can't do this. */
|
|
|
874 if (initialized)
|
|
|
875 {
|
|
|
876 Lisp_Object tdevice;
|
|
|
877 XSETDEVICE (tdevice, d);
|
|
|
878 call_critical_lisp_code (d, Qinit_device_faces, tdevice);
|
|
|
879 }
|
|
|
880 }
|
|
|
881
|
|
|
882 void
|
|
|
883 init_frame_faces (struct frame *frm)
|
|
|
884 {
|
|
|
885 /* When making the initial terminal device, there is no Lisp code
|
|
|
886 loaded, so we can't do this. */
|
|
|
887 if (initialized)
|
|
|
888 {
|
|
|
889 Lisp_Object tframe;
|
|
|
890 XSETFRAME (tframe, frm);
|
|
|
891
|
|
|
892 /* DO NOT change the selected frame here. If the debugger goes off
|
|
|
893 it will try and display on the frame being created, but it is not
|
|
|
894 ready for that yet and a horrible death will occur. Any random
|
|
|
895 code depending on the selected-frame as an implicit arg should be
|
|
|
896 tracked down and shot. For the benefit of the one known,
|
|
|
897 xpm-color-symbols, make-frame sets the variable
|
|
|
898 Vframe_being_created to the frame it is making and sets it to nil
|
|
|
899 when done. Internal functions that this could trigger which are
|
|
|
900 currently depending on selected-frame should use this instead. It
|
|
|
901 is not currently visible at the lisp level. */
|
|
|
902 call_critical_lisp_code (XDEVICE (FRAME_DEVICE (frm)),
|
|
|
903 Qinit_frame_faces, tframe);
|
|
|
904 }
|
|
|
905 }
|
|
|
906
|
|
|
907
|
|
|
908 /****************************************************************************
|
|
|
909 * face cache element functions *
|
|
|
910 ****************************************************************************/
|
|
|
911
|
|
|
912 /*
|
|
|
913
|
|
|
914 #### Here is a description of how the face cache elements ought
|
|
|
915 to be redone. It is *NOT* how they work currently:
|
|
|
916
|
|
|
917 However, when I started to go about implementing this, I realized
|
|
|
918 that there are all sorts of subtle problems with cache coherency
|
|
|
919 that are coming up. As it turns out, these problems don't
|
|
|
920 manifest themselves now due to the brute-force "kill 'em all"
|
|
|
921 approach to cache invalidation when faces change; but if this
|
|
|
922 is ever made smarter, these problems are going to come up, and
|
|
|
923 some of them are very non-obvious.
|
|
|
924
|
|
|
925 I'm thinking of redoing the cache code a bit to avoid these
|
|
|
926 coherency problems. The bulk of the problems will arise because
|
|
|
927 the current display structures have simple indices into the
|
|
|
928 face cache, but the cache can be changed at various times,
|
|
|
929 which could make the current display structures incorrect.
|
|
|
930 I guess the dirty and updated flags are an attempt to fix
|
|
|
931 this, but this approach doesn't really work.
|
|
|
932
|
|
|
933 Here's an approach that should keep things clean and unconfused:
|
|
|
934
|
|
|
935 1) Imagine a "virtual face cache" that can grow arbitrarily
|
|
|
936 big and for which the only thing allowed is to add new
|
|
|
937 elements. Existing elements cannot be removed or changed.
|
|
|
938 This way, any pointers in the existing redisplay structure
|
|
|
939 into the cache never get screwed up. (This is important
|
|
|
940 because even if a cache element is out of date, if there's
|
|
|
941 a pointer to it then its contents still accurately describe
|
|
|
942 the way the text currently looks on the screen.)
|
|
|
943 2) Each element in the virtual cache either describes exactly
|
|
|
944 one face, or describes the merger of a number of faces
|
|
|
945 by some process. In order to simplify things, for mergers
|
|
|
946 we do not record which faces or ordering was used, but
|
|
|
947 simply that this cache element is the result of merging.
|
|
|
948 Unlike the current implementation, it's important that a
|
|
|
949 single cache element not be used to both describe a
|
|
|
950 single face and describe a merger, even if all the property
|
|
|
951 values are the same.
|
|
|
952 3) Each cache element can be clean or dirty. "Dirty" means
|
|
|
953 that the face that the element points to has been changed;
|
|
|
954 this gets set at the time the face is changed. This
|
|
|
955 way, when looking up a value in the cache, you can determine
|
|
|
956 whether it's out of date or not. For merged faces it
|
|
|
957 does not matter -- we don't record the faces or priority
|
|
|
958 used to create the merger, so it's impossible to look up
|
|
|
959 one of these faces. We have to recompute it each time.
|
|
|
960 Luckily, this is fine -- doing the merge is much
|
|
|
961 less expensive than recomputing the properties of a
|
|
|
962 single face.
|
|
|
963 4) For each cache element, we keep a hash value. (In order
|
|
|
964 to hash the boolean properties, we convert each of them
|
|
|
965 into a different large prime number so that the hashing works
|
|
|
966 well.) This allows us, when comparing runes, to properly
|
|
|
967 determine whether the face for that rune has changed.
|
|
|
968 This will be especially important for TTY's, where there
|
|
|
969 aren't that many faces and minimizing redraw is very
|
|
|
970 important.
|
|
|
971 5) We can't actually keep an infinite cache, but that doesn't
|
|
|
972 really matter that much. The only elements we care about
|
|
|
973 are those that are used by either the current or desired
|
|
|
974 display structs. Therefore, we keep a per-window
|
|
|
975 redisplay iteration number, and mark each element with
|
|
|
976 that number as we use it. Just after outputting the
|
|
|
977 window and synching the redisplay structs, we go through
|
|
|
978 the cache and invalidate all elements that are not clean
|
|
|
979 elements referring to a particular face and that do not
|
|
|
980 have an iteration number equal to the current one. We
|
|
|
981 keep them in a chain, and use them to allocate new
|
|
|
982 elements when possible instead of increasing the Dynarr.
|
|
|
983
|
|
|
984 */
|
|
|
985
|
|
|
986 /* mark for GC a dynarr of face cachels. */
|
|
|
987
|
|
|
988 void
|
|
|
989 mark_face_cachels (face_cachel_dynarr *elements,
|
|
|
990 void (*markobj) (Lisp_Object))
|
|
|
991 {
|
|
|
992 int elt;
|
|
|
993
|
|
|
994 if (!elements)
|
|
|
995 return;
|
|
|
996
|
|
|
997 for (elt = 0; elt < Dynarr_length (elements); elt++)
|
|
|
998 {
|
|
|
999 struct face_cachel *cachel = Dynarr_atp (elements, elt);
|
|
|
1000
|
|
|
1001 {
|
|
|
1002 int i;
|
|
|
1003
|
|
|
1004 for (i = 0; i < NUM_LEADING_BYTES; i++)
|
|
|
1005 if (!NILP (cachel->font[i]) && !UNBOUNDP (cachel->font[i]))
|
|
|
1006 ((markobj) (cachel->font[i]));
|
|
|
1007 }
|
|
|
1008 ((markobj) (cachel->face));
|
|
|
1009 ((markobj) (cachel->foreground));
|
|
|
1010 ((markobj) (cachel->background));
|
|
|
1011 ((markobj) (cachel->display_table));
|
|
|
1012 ((markobj) (cachel->background_pixmap));
|
|
|
1013 }
|
|
|
1014 }
|
|
|
1015
|
|
|
1016 /* ensure that the given cachel contains an updated font value for
|
|
|
1017 the given charset. Return the updated font value. */
|
|
|
1018
|
|
|
1019 Lisp_Object
|
|
|
1020 ensure_face_cachel_contains_charset (struct face_cachel *cachel,
|
|
|
1021 Lisp_Object domain, Lisp_Object charset)
|
|
|
1022 {
|
|
|
1023 Lisp_Object new_val;
|
|
|
1024 Lisp_Object face = cachel->face;
|
|
|
1025 int bound = 1;
|
|
|
1026 int offs = XCHARSET_LEADING_BYTE (charset) - MIN_LEADING_BYTE;
|
|
|
1027
|
|
|
1028 if (!UNBOUNDP (cachel->font[offs])
|
|
|
1029 && cachel->font_updated[offs])
|
|
|
1030 return cachel->font[offs];
|
|
|
1031
|
|
|
1032 if (UNBOUNDP (face))
|
|
|
1033 {
|
|
|
1034 /* a merged face. */
|
|
|
1035 int i;
|
|
|
1036 struct window *w = XWINDOW (domain);
|
|
|
1037
|
|
|
1038 new_val = Qunbound;
|
|
|
1039 cachel->font_specified[offs] = 0;
|
|
|
1040 for (i = 0; i < cachel->nfaces; i++)
|
|
|
1041 {
|
|
|
1042 struct face_cachel *oth;
|
|
173
|
1043
|
|
0
|
1044 oth = Dynarr_atp (w->face_cachels,
|
|
|
1045 FACE_CACHEL_FINDEX_UNSAFE (cachel, i));
|
|
|
1046 /* Tout le monde aime la recursion */
|
|
|
1047 ensure_face_cachel_contains_charset (oth, domain, charset);
|
|
173
|
1048
|
|
0
|
1049 if (oth->font_specified[offs])
|
|
|
1050 {
|
|
|
1051 new_val = oth->font[offs];
|
|
|
1052 cachel->font_specified[offs] = 1;
|
|
|
1053 break;
|
|
|
1054 }
|
|
|
1055 }
|
|
|
1056
|
|
|
1057 if (!cachel->font_specified[offs])
|
|
|
1058 /* need to do the default face. */
|
|
|
1059 {
|
|
|
1060 struct face_cachel *oth =
|
|
|
1061 Dynarr_atp (w->face_cachels, DEFAULT_INDEX);
|
|
|
1062 ensure_face_cachel_contains_charset (oth, domain, charset);
|
|
|
1063
|
|
|
1064 new_val = oth->font[offs];
|
|
|
1065 }
|
|
|
1066
|
|
|
1067 if (!UNBOUNDP (cachel->font[offs]) && !EQ (cachel->font[offs], new_val))
|
|
|
1068 cachel->dirty = 1;
|
|
|
1069 cachel->font_updated[offs] = 1;
|
|
|
1070 cachel->font[offs] = new_val;
|
|
|
1071 return new_val;
|
|
|
1072 }
|
|
|
1073
|
|
|
1074 new_val = face_property_matching_instance (face, Qfont, charset, domain,
|
|
|
1075 /* #### look into ERROR_ME_NOT */
|
|
|
1076 ERROR_ME_NOT, 1, Qzero);
|
|
|
1077 if (UNBOUNDP (new_val))
|
|
|
1078 {
|
|
|
1079 bound = 0;
|
|
|
1080 new_val = face_property_matching_instance (face, Qfont,
|
|
|
1081 charset, domain,
|
|
|
1082 /* #### look into
|
|
|
1083 ERROR_ME_NOT */
|
|
|
1084 ERROR_ME_NOT, 0, Qzero);
|
|
|
1085 }
|
|
|
1086 if (!UNBOUNDP (cachel->font[offs]) && !EQ (new_val, cachel->font[offs]))
|
|
|
1087 cachel->dirty = 1;
|
|
|
1088 cachel->font_updated[offs] = 1;
|
|
|
1089 cachel->font[offs] = new_val;
|
|
|
1090 cachel->font_specified[offs] = (bound || EQ (face, Vdefault_face));
|
|
|
1091 return new_val;
|
|
|
1092 }
|
|
|
1093
|
|
|
1094 /* Ensure that the given cachel contains updated fonts for all
|
|
|
1095 the charsets specified. */
|
|
|
1096
|
|
|
1097 void
|
|
|
1098 ensure_face_cachel_complete (struct face_cachel *cachel,
|
|
|
1099 Lisp_Object domain, unsigned char *charsets)
|
|
|
1100 {
|
|
|
1101 int i;
|
|
173
|
1102
|
|
0
|
1103 for (i = 0; i < NUM_LEADING_BYTES; i++)
|
|
|
1104 if (charsets[i])
|
|
|
1105 {
|
|
181
|
1106 Lisp_Object charset = CHARSET_BY_LEADING_BYTE (i + MIN_LEADING_BYTE);
|
|
0
|
1107 assert (CHARSETP (charset));
|
|
|
1108 ensure_face_cachel_contains_charset (cachel, domain, charset);
|
|
|
1109 }
|
|
|
1110 }
|
|
|
1111
|
|
|
1112 void
|
|
|
1113 face_cachel_charset_font_metric_info (struct face_cachel *cachel,
|
|
|
1114 unsigned char *charsets,
|
|
|
1115 struct font_metric_info *fm)
|
|
|
1116 {
|
|
|
1117 int i;
|
|
173
|
1118
|
|
0
|
1119 fm->width = 1;
|
|
|
1120 fm->height = fm->ascent = 1;
|
|
|
1121 fm->descent = 0;
|
|
|
1122 fm->proportional_p = 0;
|
|
|
1123
|
|
|
1124 for (i = 0; i < NUM_LEADING_BYTES; i++)
|
|
|
1125 {
|
|
|
1126 if (charsets[i])
|
|
|
1127 {
|
|
183
|
1128 Lisp_Object charset = CHARSET_BY_LEADING_BYTE (i + MIN_LEADING_BYTE);
|
|
|
1129 Lisp_Object font_instance = FACE_CACHEL_FONT (cachel, charset);
|
|
|
1130 struct Lisp_Font_Instance *fi = XFONT_INSTANCE (font_instance);
|
|
173
|
1131
|
|
0
|
1132 assert (CHARSETP (charset));
|
|
|
1133 assert (FONT_INSTANCEP (font_instance));
|
|
183
|
1134
|
|
|
1135 if (fm->ascent < (int) fi->ascent) fm->ascent = (int) fi->ascent;
|
|
|
1136 if (fm->descent < (int) fi->descent) fm->descent = (int) fi->descent;
|
|
0
|
1137 fm->height = fm->ascent + fm->descent;
|
|
|
1138 if (fi->proportional_p)
|
|
|
1139 fm->proportional_p = 1;
|
|
|
1140 if (EQ (charset, Vcharset_ascii))
|
|
|
1141 fm->width = fi->width;
|
|
|
1142 }
|
|
|
1143 }
|
|
|
1144 }
|
|
|
1145
|
|
|
1146 /* Called when the updated flag has been cleared on a cachel. */
|
|
|
1147
|
|
|
1148 void
|
|
|
1149 update_face_cachel_data (struct face_cachel *cachel,
|
|
|
1150 Lisp_Object domain,
|
|
|
1151 Lisp_Object face)
|
|
|
1152 {
|
|
|
1153 if (XFACE (face)->dirty || UNBOUNDP (cachel->face))
|
|
|
1154 {
|
|
|
1155 int default_face = EQ (face, Vdefault_face);
|
|
|
1156 cachel->face = face;
|
|
|
1157
|
|
|
1158 /* We normally only set the _specified flags if the value was
|
|
|
1159 actually bound. The exception is for the default face where
|
|
|
1160 we always set it since it is the ultimate fallback. */
|
|
|
1161
|
|
|
1162 #define FROB(field) \
|
|
|
1163 do { \
|
|
|
1164 Lisp_Object new_val = \
|
|
|
1165 FACE_PROPERTY_INSTANCE (face, Q##field, domain, 1, Qzero); \
|
|
|
1166 int bound = 1; \
|
|
|
1167 if (UNBOUNDP (new_val)) \
|
|
|
1168 { \
|
|
|
1169 bound = 0; \
|
|
|
1170 new_val = FACE_PROPERTY_INSTANCE (face, Q##field, domain, 0, Qzero); \
|
|
|
1171 } \
|
|
|
1172 if (!EQ (new_val, cachel->field)) \
|
|
|
1173 { \
|
|
|
1174 cachel->field = new_val; \
|
|
|
1175 cachel->dirty = 1; \
|
|
|
1176 } \
|
|
|
1177 cachel->field##_specified = (bound || default_face); \
|
|
|
1178 } while (0)
|
|
173
|
1179
|
|
0
|
1180 FROB (foreground);
|
|
|
1181 FROB (background);
|
|
|
1182 FROB (display_table);
|
|
|
1183 FROB (background_pixmap);
|
|
195
|
1184
|
|
|
1185 /*
|
|
|
1186 * A face's background pixmap will override the face's
|
|
|
1187 * background color. But the background pixmap of the
|
|
|
1188 * default face should not override the background color of
|
|
|
1189 * a face if the background color has been specified or
|
|
|
1190 * inherited.
|
|
|
1191 *
|
|
|
1192 * To accomplish this we remove the background pixmap of the
|
|
|
1193 * cachel and mark it as having been specified so that cachel
|
|
|
1194 * merging won't override it later.
|
|
|
1195 */
|
|
|
1196 if (! default_face
|
|
|
1197 && cachel->background_specified
|
|
|
1198 && ! cachel->background_pixmap_specified)
|
|
|
1199 {
|
|
|
1200 cachel->background_pixmap = Qunbound;
|
|
|
1201 cachel->background_pixmap_specified = 1;
|
|
|
1202 }
|
|
|
1203
|
|
0
|
1204 #undef FROB
|
|
|
1205
|
|
|
1206 ensure_face_cachel_contains_charset (cachel, domain, Vcharset_ascii);
|
|
|
1207
|
|
|
1208 #define FROB(field) \
|
|
|
1209 do { \
|
|
|
1210 Lisp_Object new_val = \
|
|
|
1211 FACE_PROPERTY_INSTANCE (face, Q##field, domain, 1, Qzero); \
|
|
|
1212 int bound = 1; \
|
|
|
1213 int new_val_int; \
|
|
|
1214 if (UNBOUNDP (new_val)) \
|
|
|
1215 { \
|
|
|
1216 bound = 0; \
|
|
|
1217 new_val = FACE_PROPERTY_INSTANCE (face, Q##field, domain, 0, Qzero); \
|
|
|
1218 } \
|
|
|
1219 new_val_int = EQ (new_val, Qt); \
|
|
|
1220 if (cachel->field != new_val_int) \
|
|
|
1221 { \
|
|
|
1222 cachel->field = new_val_int; \
|
|
|
1223 cachel->dirty = 1; \
|
|
|
1224 } \
|
|
|
1225 cachel->field##_specified = bound; \
|
|
|
1226 } while (0)
|
|
|
1227
|
|
|
1228 FROB (underline);
|
|
|
1229 FROB (strikethru);
|
|
|
1230 FROB (highlight);
|
|
|
1231 FROB (dim);
|
|
|
1232 FROB (reverse);
|
|
|
1233 FROB (blinking);
|
|
|
1234 #undef FROB
|
|
|
1235 }
|
|
|
1236
|
|
|
1237 cachel->updated = 1;
|
|
|
1238 }
|
|
|
1239
|
|
|
1240 /* Merge the cachel identified by FINDEX in window W into the given
|
|
|
1241 cachel. */
|
|
|
1242
|
|
|
1243 static void
|
|
|
1244 merge_face_cachel_data (struct window *w, face_index findex,
|
|
|
1245 struct face_cachel *cachel)
|
|
|
1246 {
|
|
|
1247 #define FINDEX_FIELD(field) \
|
|
|
1248 Dynarr_atp (w->face_cachels, findex)->field
|
|
|
1249
|
|
|
1250 #define FROB(field) \
|
|
|
1251 do { \
|
|
|
1252 if (!cachel->field##_specified && FINDEX_FIELD (field##_specified)) \
|
|
|
1253 { \
|
|
|
1254 cachel->field = FINDEX_FIELD (field); \
|
|
|
1255 cachel->field##_specified = 1; \
|
|
|
1256 cachel->dirty = 1; \
|
|
|
1257 } \
|
|
|
1258 } while (0)
|
|
|
1259
|
|
|
1260 FROB (foreground);
|
|
|
1261 FROB (background);
|
|
|
1262 FROB (display_table);
|
|
|
1263 FROB (background_pixmap);
|
|
|
1264 FROB (underline);
|
|
|
1265 FROB (strikethru);
|
|
|
1266 FROB (highlight);
|
|
|
1267 FROB (dim);
|
|
|
1268 FROB (reverse);
|
|
|
1269 FROB (blinking);
|
|
|
1270 /* And do ASCII, of course. */
|
|
|
1271 {
|
|
|
1272 int offs = LEADING_BYTE_ASCII - MIN_LEADING_BYTE;
|
|
|
1273
|
|
|
1274 if (!cachel->font_specified[offs] && FINDEX_FIELD (font_specified[offs]))
|
|
|
1275 {
|
|
|
1276 cachel->font[offs] = FINDEX_FIELD (font[offs]);
|
|
|
1277 cachel->font_specified[offs] = 1;
|
|
|
1278 cachel->dirty = 1;
|
|
|
1279 }
|
|
|
1280 }
|
|
|
1281
|
|
|
1282 #undef FROB
|
|
|
1283 #undef FINDEX_FIELD
|
|
|
1284
|
|
|
1285 cachel->updated = 1;
|
|
|
1286 }
|
|
|
1287
|
|
|
1288 /* Initialize a cachel. */
|
|
|
1289
|
|
|
1290 void
|
|
|
1291 reset_face_cachel (struct face_cachel *cachel)
|
|
|
1292 {
|
|
|
1293 memset (cachel, 0, sizeof (struct face_cachel));
|
|
|
1294 cachel->face = Qunbound;
|
|
|
1295 cachel->nfaces = 0;
|
|
|
1296 cachel->merged_faces = 0;
|
|
|
1297 cachel->foreground = Qunbound;
|
|
|
1298 cachel->background = Qunbound;
|
|
|
1299 {
|
|
|
1300 int i;
|
|
|
1301
|
|
|
1302 for (i = 0; i < NUM_LEADING_BYTES; i++)
|
|
|
1303 cachel->font[i] = Qunbound;
|
|
|
1304 }
|
|
|
1305 cachel->display_table = Qunbound;
|
|
|
1306 cachel->background_pixmap = Qunbound;
|
|
|
1307 }
|
|
|
1308
|
|
|
1309 /* Add a cachel for the given face to the given window's cache. */
|
|
|
1310
|
|
|
1311 static void
|
|
|
1312 add_face_cachel (struct window *w, Lisp_Object face)
|
|
|
1313 {
|
|
|
1314 struct face_cachel new_cachel;
|
|
|
1315 Lisp_Object window;
|
|
|
1316
|
|
|
1317 reset_face_cachel (&new_cachel);
|
|
|
1318 XSETWINDOW (window, w);
|
|
|
1319 update_face_cachel_data (&new_cachel, window, face);
|
|
|
1320 Dynarr_add (w->face_cachels, new_cachel);
|
|
|
1321 }
|
|
|
1322
|
|
|
1323 /* Retrieve the index to a cachel for window W that corresponds to
|
|
|
1324 the specified face. If necessary, add a new element to the
|
|
|
1325 cache. */
|
|
|
1326
|
|
|
1327 face_index
|
|
|
1328 get_builtin_face_cache_index (struct window *w, Lisp_Object face)
|
|
|
1329 {
|
|
|
1330 int elt;
|
|
|
1331
|
|
|
1332 if (noninteractive)
|
|
|
1333 return 0;
|
|
|
1334
|
|
|
1335 for (elt = 0; elt < Dynarr_length (w->face_cachels); elt++)
|
|
|
1336 {
|
|
|
1337 struct face_cachel *cachel = WINDOW_FACE_CACHEL (w, elt);
|
|
|
1338
|
|
|
1339 if (EQ (cachel->face, face))
|
|
|
1340 {
|
|
|
1341 Lisp_Object window = Qnil;
|
|
|
1342 XSETWINDOW (window, w);
|
|
|
1343 if (!cachel->updated)
|
|
|
1344 update_face_cachel_data (cachel, window, face);
|
|
|
1345 return elt;
|
|
|
1346 }
|
|
|
1347 }
|
|
|
1348
|
|
|
1349 /* If we didn't find the face, add it and then return its index. */
|
|
|
1350 add_face_cachel (w, face);
|
|
|
1351 return elt;
|
|
|
1352 }
|
|
|
1353
|
|
|
1354 void
|
|
|
1355 reset_face_cachels (struct window *w)
|
|
|
1356 {
|
|
|
1357 /* #### Not initialized in batch mode for the stream device. */
|
|
|
1358 if (w->face_cachels)
|
|
|
1359 {
|
|
|
1360 int i;
|
|
|
1361
|
|
|
1362 for (i = 0; i < Dynarr_length (w->face_cachels); i++)
|
|
|
1363 {
|
|
|
1364 struct face_cachel *cachel = Dynarr_atp (w->face_cachels, i);
|
|
|
1365 if (cachel->merged_faces)
|
|
|
1366 Dynarr_free (cachel->merged_faces);
|
|
|
1367 }
|
|
|
1368 Dynarr_reset (w->face_cachels);
|
|
|
1369 get_builtin_face_cache_index (w, Vdefault_face);
|
|
|
1370 get_builtin_face_cache_index (w, Vmodeline_face);
|
|
|
1371 XFRAME (w->frame)->window_face_cache_reset = 1;
|
|
|
1372 }
|
|
|
1373 }
|
|
|
1374
|
|
|
1375 void
|
|
|
1376 mark_face_cachels_as_clean (struct window *w)
|
|
|
1377 {
|
|
|
1378 int elt;
|
|
|
1379
|
|
|
1380 for (elt = 0; elt < Dynarr_length (w->face_cachels); elt++)
|
|
|
1381 Dynarr_atp (w->face_cachels, elt)->dirty = 0;
|
|
|
1382 }
|
|
|
1383
|
|
|
1384 void
|
|
|
1385 mark_face_cachels_as_not_updated (struct window *w)
|
|
|
1386 {
|
|
|
1387 int elt;
|
|
|
1388
|
|
|
1389 for (elt = 0; elt < Dynarr_length (w->face_cachels); elt++)
|
|
|
1390 {
|
|
|
1391 struct face_cachel *cachel = Dynarr_atp (w->face_cachels, elt);
|
|
|
1392 int i;
|
|
|
1393
|
|
|
1394 cachel->updated = 0;
|
|
|
1395 for (i = 0; i < NUM_LEADING_BYTES; i++)
|
|
|
1396 cachel->font_updated[i] = 0;
|
|
|
1397 }
|
|
|
1398 }
|
|
|
1399
|
|
|
1400 #ifdef MEMORY_USAGE_STATS
|
|
|
1401
|
|
|
1402 int
|
|
|
1403 compute_face_cachel_usage (face_cachel_dynarr *face_cachels,
|
|
|
1404 struct overhead_stats *ovstats)
|
|
|
1405 {
|
|
|
1406 int total = 0;
|
|
|
1407
|
|
|
1408 if (face_cachels)
|
|
|
1409 {
|
|
|
1410 int i;
|
|
|
1411
|
|
|
1412 total += Dynarr_memory_usage (face_cachels, ovstats);
|
|
|
1413 for (i = 0; i < Dynarr_length (face_cachels); i++)
|
|
|
1414 {
|
|
|
1415 int_dynarr *merged = Dynarr_at (face_cachels, i).merged_faces;
|
|
|
1416 if (merged)
|
|
|
1417 total += Dynarr_memory_usage (merged, ovstats);
|
|
|
1418 }
|
|
|
1419 }
|
|
|
1420
|
|
|
1421 return total;
|
|
|
1422 }
|
|
|
1423
|
|
|
1424 #endif /* MEMORY_USAGE_STATS */
|
|
|
1425
|
|
|
1426
|
|
|
1427 /*****************************************************************************
|
|
|
1428 * merged face functions *
|
|
|
1429 *****************************************************************************/
|
|
|
1430
|
|
|
1431 /* Compare two merged face cachels to determine whether we have to add
|
|
|
1432 a new entry to the face cache.
|
|
|
1433
|
|
|
1434 Note that we do not compare the attributes, but just the faces the
|
|
|
1435 cachels are based on. If they are the same, then the cachels certainly
|
|
|
1436 ought to have the same attributes, except in the case where fonts
|
|
|
1437 for different charsets have been determined in the two -- and in that
|
|
|
1438 case this difference is fine. */
|
|
|
1439
|
|
|
1440 static int
|
|
|
1441 compare_merged_face_cachels (struct face_cachel *cachel1,
|
|
|
1442 struct face_cachel *cachel2)
|
|
|
1443 {
|
|
|
1444 int i;
|
|
|
1445
|
|
|
1446 if (!EQ (cachel1->face, cachel2->face)
|
|
|
1447 || cachel1->nfaces != cachel2->nfaces)
|
|
|
1448 return 0;
|
|
|
1449
|
|
|
1450 for (i = 0; i < cachel1->nfaces; i++)
|
|
|
1451 if (FACE_CACHEL_FINDEX_UNSAFE (cachel1, i)
|
|
|
1452 != FACE_CACHEL_FINDEX_UNSAFE (cachel2, i))
|
|
|
1453 return 0;
|
|
|
1454
|
|
|
1455 return 1;
|
|
|
1456 }
|
|
|
1457
|
|
|
1458 /* Retrieve the index to a cachel for window W that corresponds to
|
|
|
1459 the specified cachel. If necessary, add a new element to the
|
|
|
1460 cache. This is similar to get_builtin_face_cache_index() but
|
|
|
1461 is intended for merged cachels rather than for cachels representing
|
|
|
1462 just a face.
|
|
|
1463
|
|
|
1464 Note that a merged cachel for just one face is not the same as
|
|
|
1465 the simple cachel for that face, because it is also merged with
|
|
|
1466 the default face. */
|
|
|
1467
|
|
|
1468 static face_index
|
|
|
1469 get_merged_face_cache_index (struct window *w,
|
|
|
1470 struct face_cachel *merged_cachel)
|
|
|
1471 {
|
|
|
1472 int elt;
|
|
|
1473 int cache_size = Dynarr_length (w->face_cachels);
|
|
|
1474
|
|
|
1475 for (elt = 0; elt < cache_size; elt++)
|
|
|
1476 {
|
|
|
1477 struct face_cachel *cachel =
|
|
|
1478 Dynarr_atp (w->face_cachels, elt);
|
|
|
1479
|
|
|
1480 if (compare_merged_face_cachels (cachel, merged_cachel))
|
|
|
1481 return elt;
|
|
|
1482 }
|
|
|
1483
|
|
|
1484 /* We didn't find it so add this instance to the cache. */
|
|
|
1485 merged_cachel->updated = 1;
|
|
|
1486 merged_cachel->dirty = 1;
|
|
|
1487 Dynarr_add (w->face_cachels, *merged_cachel);
|
|
|
1488 return cache_size;
|
|
|
1489 }
|
|
|
1490
|
|
|
1491 face_index
|
|
|
1492 get_extent_fragment_face_cache_index (struct window *w,
|
|
|
1493 struct extent_fragment *ef)
|
|
|
1494 {
|
|
|
1495 struct face_cachel cachel;
|
|
|
1496 int len = Dynarr_length (ef->extents);
|
|
173
|
1497 face_index findex = 0;
|
|
0
|
1498 Lisp_Object window = Qnil;
|
|
|
1499 XSETWINDOW (window, w);
|
|
|
1500
|
|
|
1501 /* Optimize the default case. */
|
|
|
1502 if (len == 0)
|
|
|
1503 return DEFAULT_INDEX;
|
|
|
1504 else
|
|
|
1505 {
|
|
|
1506 int i;
|
|
|
1507
|
|
|
1508 /* Merge the faces of the extents together in order. */
|
|
|
1509
|
|
|
1510 reset_face_cachel (&cachel);
|
|
|
1511
|
|
|
1512 for (i = len - 1; i >= 0; i--)
|
|
|
1513 {
|
|
|
1514 EXTENT current = Dynarr_at (ef->extents, i);
|
|
|
1515 int has_findex = 0;
|
|
|
1516 Lisp_Object face = extent_face (current);
|
|
|
1517
|
|
|
1518 if (FACEP (face))
|
|
|
1519 {
|
|
|
1520 findex = get_builtin_face_cache_index (w, face);
|
|
|
1521 has_findex = 1;
|
|
|
1522 merge_face_cachel_data (w, findex, &cachel);
|
|
|
1523 }
|
|
|
1524 /* remember, we're called from within redisplay
|
|
|
1525 so we can't error. */
|
|
|
1526 else while (CONSP (face))
|
|
|
1527 {
|
|
|
1528 Lisp_Object one_face = XCAR (face);
|
|
|
1529 if (FACEP (one_face))
|
|
|
1530 {
|
|
|
1531 findex = get_builtin_face_cache_index (w, one_face);
|
|
|
1532 merge_face_cachel_data (w, findex, &cachel);
|
|
173
|
1533
|
|
0
|
1534 /* code duplication here but there's no clean
|
|
|
1535 way to avoid it. */
|
|
|
1536 if (cachel.nfaces >= NUM_STATIC_CACHEL_FACES)
|
|
|
1537 {
|
|
|
1538 if (!cachel.merged_faces)
|
|
|
1539 cachel.merged_faces = Dynarr_new (int);
|
|
|
1540 Dynarr_add (cachel.merged_faces, findex);
|
|
|
1541 }
|
|
|
1542 else
|
|
|
1543 cachel.merged_faces_static[cachel.nfaces] = findex;
|
|
|
1544 cachel.nfaces++;
|
|
|
1545 }
|
|
|
1546 face = XCDR (face);
|
|
|
1547 }
|
|
173
|
1548
|
|
0
|
1549 if (has_findex)
|
|
|
1550 {
|
|
|
1551 if (cachel.nfaces >= NUM_STATIC_CACHEL_FACES)
|
|
|
1552 {
|
|
|
1553 if (!cachel.merged_faces)
|
|
|
1554 cachel.merged_faces = Dynarr_new (int);
|
|
|
1555 Dynarr_add (cachel.merged_faces, findex);
|
|
|
1556 }
|
|
|
1557 else
|
|
|
1558 cachel.merged_faces_static[cachel.nfaces] = findex;
|
|
|
1559 cachel.nfaces++;
|
|
|
1560 }
|
|
|
1561 }
|
|
|
1562
|
|
|
1563 /* Now finally merge in the default face. */
|
|
|
1564 findex = get_builtin_face_cache_index (w, Vdefault_face);
|
|
|
1565 merge_face_cachel_data (w, findex, &cachel);
|
|
|
1566
|
|
|
1567 return get_merged_face_cache_index (w, &cachel);
|
|
|
1568 }
|
|
|
1569 }
|
|
|
1570
|
|
|
1571
|
|
|
1572 /*****************************************************************************
|
|
|
1573 interface functions
|
|
|
1574 ****************************************************************************/
|
|
|
1575
|
|
|
1576 /* #### This function should be converted into appropriate device methods. */
|
|
|
1577 static void
|
|
|
1578 update_EmacsFrame (Lisp_Object frame, Lisp_Object name)
|
|
|
1579 {
|
|
|
1580 struct frame *frm = XFRAME (frame);
|
|
|
1581
|
|
|
1582 #ifdef HAVE_X_WINDOWS
|
|
|
1583 if (FRAME_X_P (frm))
|
|
|
1584 {
|
|
|
1585 Arg av[10];
|
|
|
1586 int ac = 0;
|
|
173
|
1587
|
|
0
|
1588 if (EQ (name, Qforeground))
|
|
|
1589 {
|
|
|
1590 Lisp_Object color = FACE_FOREGROUND (Vdefault_face, frame);
|
|
|
1591 XColor fgc;
|
|
|
1592
|
|
|
1593 if (!EQ (color, Vthe_null_color_instance))
|
|
|
1594 {
|
|
|
1595 fgc = COLOR_INSTANCE_X_COLOR (XCOLOR_INSTANCE (color));
|
|
|
1596 XtSetArg (av[ac], XtNforeground, (void *) fgc.pixel); ac++;
|
|
|
1597 }
|
|
|
1598 }
|
|
|
1599 else if (EQ (name, Qbackground))
|
|
|
1600 {
|
|
|
1601 Lisp_Object color = FACE_BACKGROUND (Vdefault_face, frame);
|
|
|
1602 XColor bgc;
|
|
|
1603
|
|
|
1604 if (!EQ (color, Vthe_null_color_instance))
|
|
|
1605 {
|
|
|
1606 bgc = COLOR_INSTANCE_X_COLOR (XCOLOR_INSTANCE (color));
|
|
|
1607 XtSetArg (av[ac], XtNbackground, (void *) bgc.pixel); ac++;
|
|
|
1608 }
|
|
|
1609
|
|
|
1610 /* Really crappy way to force the modeline shadows to be
|
|
|
1611 redrawn. But effective. */
|
|
|
1612 MARK_FRAME_WINDOWS_STRUCTURE_CHANGED (frm);
|
|
|
1613 MARK_FRAME_CHANGED (frm);
|
|
|
1614 }
|
|
|
1615 else if (EQ (name, Qfont))
|
|
|
1616 {
|
|
|
1617 Lisp_Object font = FACE_FONT (Vdefault_face, frame, Vcharset_ascii);
|
|
|
1618
|
|
|
1619 if (!EQ (font, Vthe_null_font_instance))
|
|
|
1620 XtSetArg (av[ac], XtNfont,
|
|
|
1621 (void *) FONT_INSTANCE_X_FONT (XFONT_INSTANCE (font)));
|
|
|
1622 ac++;
|
|
|
1623 }
|
|
|
1624 else
|
|
|
1625 abort ();
|
|
|
1626
|
|
|
1627 XtSetValues (FRAME_X_TEXT_WIDGET (frm), av, ac);
|
|
|
1628
|
|
|
1629 #ifdef HAVE_TOOLBARS
|
|
|
1630 /* Setting the background clears the entire frame area
|
|
|
1631 including the toolbar so we force an immediate redraw of
|
|
|
1632 it. */
|
|
|
1633 if (EQ (name, Qbackground))
|
|
|
1634 MAYBE_DEVMETH (XDEVICE (frm->device), redraw_frame_toolbars, (frm));
|
|
183
|
1635 #endif /* HAVE_TOOLBARS */
|
|
0
|
1636
|
|
|
1637 /* The intent of this code is to cause the frame size in
|
|
|
1638 characters to remain the same when the font changes, at the
|
|
|
1639 expense of changing the frame size in pixels. It's not
|
|
|
1640 totally clear that this is the right thing to do, but it's
|
|
|
1641 not clearly wrong either. */
|
|
|
1642 if (EQ (name, Qfont))
|
|
|
1643 {
|
|
|
1644 EmacsFrameRecomputeCellSize (FRAME_X_TEXT_WIDGET (frm));
|
|
|
1645 Fset_frame_size (frame,
|
|
|
1646 make_int (frm->width),
|
|
|
1647 make_int (frm->height),
|
|
|
1648 Qnil);
|
|
|
1649 }
|
|
|
1650 }
|
|
|
1651 #endif /* HAVE_X_WINDOWS */
|
|
219
|
1652 #ifdef HAVE_MS_WINDOWS
|
|
|
1653 if (CONSOLE_TYPESYM_MSWINDOWS_P (FRAME_TYPE (frm)))
|
|
|
1654 {
|
|
|
1655 /* Cause the frame size in characters to remain the same when the font
|
|
|
1656 * changes, at the expense of changing the frame size in pixels. */
|
|
|
1657 if (EQ (name, Qfont))
|
|
|
1658 {
|
|
|
1659 Fset_frame_size (frame,
|
|
|
1660 make_int (frm->width),
|
|
|
1661 make_int (frm->height),
|
|
|
1662 Qnil);
|
|
|
1663 }
|
|
|
1664 }
|
|
|
1665 #endif /* HAVE_MS_WINDOWS */
|
|
0
|
1666 }
|
|
|
1667
|
|
|
1668 static void
|
|
|
1669 update_EmacsFrames (Lisp_Object locale, Lisp_Object name)
|
|
|
1670 {
|
|
|
1671 if (FRAMEP (locale))
|
|
|
1672 {
|
|
|
1673 update_EmacsFrame (locale, name);
|
|
|
1674 }
|
|
|
1675 else if (DEVICEP (locale))
|
|
|
1676 {
|
|
|
1677 Lisp_Object frmcons;
|
|
|
1678
|
|
|
1679 DEVICE_FRAME_LOOP (frmcons, XDEVICE (locale))
|
|
|
1680 update_EmacsFrame (XCAR (frmcons), name);
|
|
|
1681 }
|
|
|
1682 else if (EQ (locale, Qglobal) || EQ (locale, Qfallback))
|
|
|
1683 {
|
|
|
1684 Lisp_Object frmcons, devcons, concons;
|
|
173
|
1685
|
|
0
|
1686 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons)
|
|
|
1687 update_EmacsFrame (XCAR (frmcons), name);
|
|
|
1688 }
|
|
|
1689 }
|
|
|
1690
|
|
|
1691 void
|
|
|
1692 update_frame_face_values (struct frame *f)
|
|
|
1693 {
|
|
|
1694 Lisp_Object frm = Qnil;
|
|
|
1695
|
|
|
1696 XSETFRAME (frm, f);
|
|
|
1697 update_EmacsFrame (frm, Qforeground);
|
|
|
1698 update_EmacsFrame (frm, Qbackground);
|
|
|
1699 update_EmacsFrame (frm, Qfont);
|
|
|
1700 }
|
|
|
1701
|
|
|
1702 void
|
|
|
1703 face_property_was_changed (Lisp_Object face, Lisp_Object property,
|
|
|
1704 Lisp_Object locale)
|
|
|
1705 {
|
|
|
1706 int default_face = EQ (face, Vdefault_face);
|
|
|
1707
|
|
|
1708 /* If the locale could affect the frame value, then call
|
|
|
1709 update_EmacsFrames just in case. */
|
|
|
1710 if (default_face &&
|
|
|
1711 (EQ (property, Qforeground) ||
|
|
|
1712 EQ (property, Qbackground) ||
|
|
|
1713 EQ (property, Qfont)))
|
|
|
1714 update_EmacsFrames (locale, property);
|
|
|
1715
|
|
|
1716 if (WINDOWP (locale))
|
|
|
1717 {
|
|
|
1718 MARK_FRAME_FACES_CHANGED (XFRAME (XWINDOW (locale)->frame));
|
|
|
1719 }
|
|
|
1720 else if (FRAMEP (locale))
|
|
|
1721 {
|
|
|
1722 MARK_FRAME_FACES_CHANGED (XFRAME (locale));
|
|
|
1723 }
|
|
|
1724 else if (DEVICEP (locale))
|
|
|
1725 {
|
|
|
1726 MARK_DEVICE_FRAMES_FACES_CHANGED (XDEVICE (locale));
|
|
|
1727 }
|
|
|
1728 else
|
|
|
1729 {
|
|
|
1730 Lisp_Object devcons, concons;
|
|
173
|
1731
|
|
0
|
1732 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
|
1733 MARK_DEVICE_FRAMES_FACES_CHANGED (XDEVICE (XCAR (devcons)));
|
|
|
1734 }
|
|
173
|
1735
|
|
217
|
1736 /*
|
|
|
1737 * This call to update_faces_inheritance isn't needed and makes
|
|
|
1738 * creating and modifying faces _very_ slow. The point of
|
|
|
1739 * update_face_inheritances is to find all faces that inherit
|
|
|
1740 * directly from this face property and set the specifier "dirty"
|
|
|
1741 * flag on the corresponding specifier. This forces recaching of
|
|
|
1742 * cached specifier values in frame and window struct slots. But
|
|
|
1743 * currently no face properties are cached in frame and window
|
|
|
1744 * struct slots, so calling this function does nothing useful!
|
|
|
1745 *
|
|
|
1746 * Further, since update_faces_inheritance maps over the whole
|
|
|
1747 * face table every time it is called, it gets terribly slow when
|
|
|
1748 * there are many faces. Creating 500 faces on a 50Mhz 486 took
|
|
|
1749 * 433 seconds when update_faces_inheritance was called. With the
|
|
|
1750 * call commented out, creating those same 500 faces took 0.72
|
|
|
1751 * seconds.
|
|
|
1752 */
|
|
|
1753 /* update_faces_inheritance (face, property);*/
|
|
0
|
1754 XFACE (face)->dirty = 1;
|
|
|
1755 }
|
|
|
1756
|
|
20
|
1757 DEFUN ("copy-face", Fcopy_face, 2, 6, 0, /*
|
|
0
|
1758 Defines and returns a new face which is a copy of an existing one,
|
|
|
1759 or makes an already-existing face be exactly like another. LOCALE,
|
|
|
1760 TAG-SET, EXACT-P, and HOW-TO-ADD are as in `copy-specifier'.
|
|
20
|
1761 */
|
|
|
1762 (old_face, new_name, locale, tag_set, exact_p, how_to_add))
|
|
0
|
1763 {
|
|
|
1764 struct Lisp_Face *fold, *fnew;
|
|
|
1765 Lisp_Object new_face = Qnil;
|
|
|
1766 struct gcpro gcpro1, gcpro2, gcpro3, gcpro4;
|
|
|
1767
|
|
|
1768 old_face = Fget_face (old_face);
|
|
|
1769
|
|
|
1770 /* We GCPRO old_face because it might be temporary, and GCing could
|
|
|
1771 occur in various places below. */
|
|
|
1772 GCPRO4 (tag_set, locale, old_face, new_face);
|
|
|
1773 /* check validity of how_to_add now. */
|
|
183
|
1774 decode_how_to_add_specification (how_to_add);
|
|
0
|
1775 /* and of tag_set. */
|
|
|
1776 tag_set = decode_specifier_tag_set (tag_set);
|
|
|
1777 /* and of locale. */
|
|
|
1778 locale = decode_locale_list (locale);
|
|
|
1779
|
|
|
1780 new_face = Ffind_face (new_name);
|
|
|
1781 if (NILP (new_face))
|
|
|
1782 {
|
|
|
1783 Lisp_Object temp;
|
|
|
1784
|
|
|
1785 CHECK_SYMBOL (new_name);
|
|
|
1786
|
|
|
1787 /* Create the new face with the same status as the old face. */
|
|
|
1788 temp = (NILP (Fgethash (old_face, Vtemporary_faces_cache, Qnil))
|
|
|
1789 ? Qnil
|
|
|
1790 : Qt);
|
|
|
1791
|
|
|
1792 new_face = Fmake_face (new_name, Qnil, temp);
|
|
|
1793 }
|
|
|
1794
|
|
|
1795 fold = XFACE (old_face);
|
|
|
1796 fnew = XFACE (new_face);
|
|
|
1797
|
|
2
|
1798 #define COPY_PROPERTY(property) \
|
|
|
1799 Fcopy_specifier (fold->property, fnew->property, \
|
|
|
1800 locale, tag_set, exact_p, how_to_add);
|
|
|
1801
|
|
|
1802 COPY_PROPERTY (foreground);
|
|
|
1803 COPY_PROPERTY (background);
|
|
|
1804 COPY_PROPERTY (font);
|
|
|
1805 COPY_PROPERTY (display_table);
|
|
|
1806 COPY_PROPERTY (background_pixmap);
|
|
|
1807 COPY_PROPERTY (underline);
|
|
|
1808 COPY_PROPERTY (strikethru);
|
|
|
1809 COPY_PROPERTY (highlight);
|
|
|
1810 COPY_PROPERTY (dim);
|
|
|
1811 COPY_PROPERTY (blinking);
|
|
|
1812 COPY_PROPERTY (reverse);
|
|
|
1813 #undef COPY_PROPERTY
|
|
0
|
1814 /* #### should it copy the individual specifiers, if they exist? */
|
|
|
1815 fnew->plist = Fcopy_sequence (fold->plist);
|
|
|
1816
|
|
|
1817 UNGCPRO;
|
|
|
1818
|
|
|
1819 return new_name;
|
|
|
1820 }
|
|
|
1821
|
|
|
1822
|
|
|
1823 void
|
|
|
1824 syms_of_faces (void)
|
|
|
1825 {
|
|
|
1826 /* Qdefault defined in general.c */
|
|
|
1827 defsymbol (&Qmodeline, "modeline");
|
|
|
1828 defsymbol (&Qleft_margin, "left-margin");
|
|
|
1829 defsymbol (&Qright_margin, "right-margin");
|
|
|
1830 defsymbol (&Qtext_cursor, "text-cursor");
|
|
|
1831
|
|
20
|
1832 DEFSUBR (Ffacep);
|
|
|
1833 DEFSUBR (Ffind_face);
|
|
|
1834 DEFSUBR (Fget_face);
|
|
|
1835 DEFSUBR (Fface_name);
|
|
|
1836 DEFSUBR (Fbuilt_in_face_specifiers);
|
|
|
1837 DEFSUBR (Fface_list);
|
|
|
1838 DEFSUBR (Fmake_face);
|
|
|
1839 DEFSUBR (Fcopy_face);
|
|
0
|
1840
|
|
|
1841 defsymbol (&Qfacep, "facep");
|
|
|
1842 defsymbol (&Qforeground, "foreground");
|
|
|
1843 defsymbol (&Qbackground, "background");
|
|
|
1844 /* Qfont defined in general.c */
|
|
|
1845 defsymbol (&Qdisplay_table, "display-table");
|
|
|
1846 defsymbol (&Qbackground_pixmap, "background-pixmap");
|
|
|
1847 defsymbol (&Qunderline, "underline");
|
|
|
1848 defsymbol (&Qstrikethru, "strikethru");
|
|
|
1849 /* Qhighlight, Qreverse defined in general.c */
|
|
|
1850 defsymbol (&Qdim, "dim");
|
|
|
1851 defsymbol (&Qblinking, "blinking");
|
|
|
1852
|
|
|
1853 defsymbol (&Qinit_face_from_resources, "init-face-from-resources");
|
|
|
1854 defsymbol (&Qinit_global_faces, "init-global-faces");
|
|
|
1855 defsymbol (&Qinit_device_faces, "init-device-faces");
|
|
|
1856 defsymbol (&Qinit_frame_faces, "init-frame-faces");
|
|
|
1857 }
|
|
|
1858
|
|
|
1859 void
|
|
|
1860 structure_type_create_faces (void)
|
|
|
1861 {
|
|
|
1862 struct structure_type *st;
|
|
|
1863
|
|
|
1864 st = define_structure_type (Qface, face_validate, face_instantiate);
|
|
|
1865
|
|
|
1866 define_structure_type_keyword (st, Qname, face_name_validate);
|
|
|
1867 }
|
|
|
1868
|
|
|
1869 void
|
|
|
1870 vars_of_faces (void)
|
|
|
1871 {
|
|
|
1872 staticpro (&Vpermanent_faces_cache);
|
|
|
1873 Vpermanent_faces_cache = Qnil;
|
|
|
1874 staticpro (&Vtemporary_faces_cache);
|
|
|
1875 Vtemporary_faces_cache = Qnil;
|
|
|
1876
|
|
|
1877 staticpro (&Vdefault_face);
|
|
|
1878 Vdefault_face = Qnil;
|
|
|
1879 staticpro (&Vmodeline_face);
|
|
|
1880 Vmodeline_face = Qnil;
|
|
|
1881
|
|
|
1882 staticpro (&Vleft_margin_face);
|
|
|
1883 Vleft_margin_face = Qnil;
|
|
|
1884 staticpro (&Vright_margin_face);
|
|
|
1885 Vright_margin_face = Qnil;
|
|
|
1886 staticpro (&Vtext_cursor_face);
|
|
|
1887 Vtext_cursor_face = Qnil;
|
|
|
1888 staticpro (&Vpointer_face);
|
|
|
1889 Vpointer_face = Qnil;
|
|
|
1890
|
|
|
1891 {
|
|
|
1892 Lisp_Object syms[20];
|
|
|
1893 int n = 0;
|
|
|
1894
|
|
|
1895 syms[n++] = Qforeground;
|
|
|
1896 syms[n++] = Qbackground;
|
|
|
1897 syms[n++] = Qfont;
|
|
|
1898 syms[n++] = Qdisplay_table;
|
|
|
1899 syms[n++] = Qbackground_pixmap;
|
|
|
1900 syms[n++] = Qunderline;
|
|
|
1901 syms[n++] = Qstrikethru;
|
|
|
1902 syms[n++] = Qhighlight;
|
|
|
1903 syms[n++] = Qdim;
|
|
|
1904 syms[n++] = Qblinking;
|
|
|
1905 syms[n++] = Qreverse;
|
|
|
1906
|
|
|
1907 Vbuilt_in_face_specifiers = pure_list (n, syms);
|
|
|
1908 staticpro (&Vbuilt_in_face_specifiers);
|
|
|
1909 }
|
|
|
1910 }
|
|
|
1911
|
|
|
1912 void
|
|
|
1913 complex_vars_of_faces (void)
|
|
|
1914 {
|
|
|
1915 Vpermanent_faces_cache = make_lisp_hashtable (10, HASHTABLE_NONWEAK,
|
|
|
1916 HASHTABLE_EQ);
|
|
|
1917 Vtemporary_faces_cache = make_lisp_hashtable (0, HASHTABLE_WEAK,
|
|
|
1918 HASHTABLE_EQ);
|
|
|
1919
|
|
|
1920 /* Create the default face now so we know what it is immediately. */
|
|
|
1921
|
|
|
1922 Vdefault_face = Qnil; /* so that Fmake_face() doesn't set up a bogus
|
|
|
1923 default value */
|
|
|
1924 Vdefault_face = Fmake_face (Qdefault, build_string ("default face"),
|
|
|
1925 Qnil);
|
|
|
1926
|
|
|
1927 /* Provide some last-resort fallbacks to avoid utter fuckage if
|
|
|
1928 someone provides invalid values for the global specifications. */
|
|
|
1929
|
|
|
1930 {
|
|
|
1931 Lisp_Object fg_inst_list = Qnil, bg_inst_list = Qnil;
|
|
|
1932
|
|
|
1933 #ifdef HAVE_X_WINDOWS
|
|
|
1934 fg_inst_list = Fcons (Fcons (list1 (Qx), build_string ("black")),
|
|
|
1935 fg_inst_list);
|
|
|
1936 bg_inst_list = Fcons (Fcons (list1 (Qx), build_string ("white")),
|
|
|
1937 bg_inst_list);
|
|
|
1938 #endif
|
|
|
1939 #ifdef HAVE_TTY
|
|
|
1940 fg_inst_list = Fcons (Fcons (list1 (Qtty), Fvector (0, 0)),
|
|
|
1941 fg_inst_list);
|
|
|
1942 bg_inst_list = Fcons (Fcons (list1 (Qtty), Fvector (0, 0)),
|
|
|
1943 bg_inst_list);
|
|
|
1944 #endif
|
|
213
|
1945 #ifdef HAVE_MS_WINDOWS
|
|
|
1946 fg_inst_list = Fcons (Fcons (list1 (Qmswindows), build_string ("black")),
|
|
209
|
1947 fg_inst_list);
|
|
213
|
1948 bg_inst_list = Fcons (Fcons (list1 (Qmswindows), build_string ("white")),
|
|
209
|
1949 bg_inst_list);
|
|
|
1950 #endif
|
|
0
|
1951 set_specifier_fallback (Fget (Vdefault_face, Qforeground, Qnil),
|
|
|
1952 fg_inst_list);
|
|
|
1953 set_specifier_fallback (Fget (Vdefault_face, Qbackground, Qnil),
|
|
|
1954 bg_inst_list);
|
|
|
1955 }
|
|
|
1956
|
|
|
1957 /* #### We may want to have different fallback values if NeXTstep
|
|
|
1958 support is compiled in. */
|
|
|
1959 {
|
|
|
1960 Lisp_Object inst_list = Qnil;
|
|
|
1961 #ifdef HAVE_X_WINDOWS
|
|
|
1962 /* The same gory list from x-faces.el.
|
|
|
1963 (#### Perhaps we should remove the stuff from x-faces.el
|
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1964 and only depend on this stuff here? That should work.)
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1965 */
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183
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1966 CONST char *fonts[] =
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1967 {
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1968 "-*-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-*",
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1969 "-*-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-*",
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1970 "-*-courier-*-r-*-*-*-120-*-*-*-*-iso8859-*",
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1971 "-*-*-medium-r-*-*-*-120-*-*-m-*-iso8859-*",
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1972 "-*-*-medium-r-*-*-*-120-*-*-c-*-iso8859-*",
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1973 "-*-*-*-r-*-*-*-120-*-*-m-*-iso8859-*",
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1974 "-*-*-*-r-*-*-*-120-*-*-c-*-iso8859-*",
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1975 "-*-*-*-r-*-*-*-120-*-*-*-*-iso8859-*",
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1976 "-*-*-medium-r-*-*-*-120-*-*-m-*-*-*",
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1977 "-*-*-medium-r-*-*-*-120-*-*-c-*-*-*",
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1978 "-*-*-*-r-*-*-*-120-*-*-m-*-*-*",
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1979 "-*-*-*-r-*-*-*-120-*-*-c-*-*-*",
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1980 "-*-*-*-r-*-*-*-120-*-*-*-*-*-*",
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1981 "-*-*-*-*-*-*-*-120-*-*-*-*-*-*",
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1982 "*"
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1983 };
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1984 CONST char **fontptr;
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0
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1985
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183
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1986 for (fontptr = fonts + countof(fonts) - 1; fontptr >= fonts; fontptr--)
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1987 inst_list = Fcons (Fcons (list1 (Qx), build_string (*fontptr)),
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0
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1988 inst_list);
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183
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1989 #endif /* HAVE_X_WINDOWS */
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1990
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0
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1991 #ifdef HAVE_TTY
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1992 inst_list = Fcons (Fcons (list1 (Qtty), build_string ("normal")),
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1993 inst_list);
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183
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1994 #endif /* HAVE_TTY */
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213
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1995 #ifdef HAVE_MS_WINDOWS
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1996 inst_list = Fcons (Fcons (list1 (Qmswindows), build_string ("Courier New")),
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209
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1997 inst_list);
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213
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1998 #endif /* HAVE_MS_WINDOWS */
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0
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1999 set_specifier_fallback (Fget (Vdefault_face, Qfont, Qnil), inst_list);
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2000 }
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173
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2001
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0
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2002 set_specifier_fallback (Fget (Vdefault_face, Qunderline, Qnil),
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2003 list1 (Fcons (Qnil, Qnil)));
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2004 set_specifier_fallback (Fget (Vdefault_face, Qstrikethru, Qnil),
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2005 list1 (Fcons (Qnil, Qnil)));
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2006 set_specifier_fallback (Fget (Vdefault_face, Qhighlight, Qnil),
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2007 list1 (Fcons (Qnil, Qnil)));
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2008 set_specifier_fallback (Fget (Vdefault_face, Qdim, Qnil),
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2009 list1 (Fcons (Qnil, Qnil)));
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2010 set_specifier_fallback (Fget (Vdefault_face, Qblinking, Qnil),
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2011 list1 (Fcons (Qnil, Qnil)));
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2012 set_specifier_fallback (Fget (Vdefault_face, Qreverse, Qnil),
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2013 list1 (Fcons (Qnil, Qnil)));
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2014
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2015 /* Now create the other faces that redisplay needs to refer to
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2016 directly. We could create them in Lisp but it's simpler this
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2017 way since we need to get them anyway. */
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2018 Vmodeline_face = Fmake_face (Qmodeline, build_string ("modeline face"),
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2019 Qnil);
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2020 Vleft_margin_face = Fmake_face (Qleft_margin,
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2021 build_string ("left margin face"),
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2022 Qnil);
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2023 Vright_margin_face = Fmake_face (Qright_margin,
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2024 build_string ("right margin face"),
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2025 Qnil);
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2026 Vtext_cursor_face = Fmake_face (Qtext_cursor,
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2027 build_string ("face for text cursor"),
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2028 Qnil);
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2029 Vpointer_face =
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2030 Fmake_face (Qpointer,
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2031 build_string
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2032 ("face for foreground/background colors of mouse pointer"),
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2033 Qnil);
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2034 }
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