Mercurial > hg > xemacs-beta
annotate src/faces.c @ 5128:7be849cb8828 ben-lisp-object
merge
| author | Ben Wing <ben@xemacs.org> |
|---|---|
| date | Sun, 07 Mar 2010 02:09:59 -0600 |
| parents | a9c41067dd88 5502045ec510 |
| children | 1fae11d56ad2 |
| rev | line source |
|---|---|
| 428 | 1 /* "Face" primitives |
| 2 Copyright (C) 1994 Free Software Foundation, Inc. | |
| 3 Copyright (C) 1995 Board of Trustees, University of Illinois. | |
|
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4 Copyright (C) 1995, 1996, 2001, 2002, 2005, 2010 Ben Wing. |
| 428 | 5 Copyright (C) 1995 Sun Microsystems, Inc. |
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6 Copyright (C) 2010 Didier Verna |
| 428 | 7 |
| 8 This file is part of XEmacs. | |
| 9 | |
| 10 XEmacs is free software; you can redistribute it and/or modify it | |
| 11 under the terms of the GNU General Public License as published by the | |
| 12 Free Software Foundation; either version 2, or (at your option) any | |
| 13 later version. | |
| 14 | |
| 15 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 16 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 17 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 18 for more details. | |
| 19 | |
| 20 You should have received a copy of the GNU General Public License | |
| 21 along with XEmacs; see the file COPYING. If not, write to | |
| 22 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 23 Boston, MA 02111-1307, USA. */ | |
| 24 | |
| 25 /* Synched up with: Not in FSF. */ | |
| 26 | |
| 27 /* Written by Chuck Thompson and Ben Wing, | |
| 28 based loosely on old face code by Jamie Zawinski. */ | |
| 29 | |
| 30 #include <config.h> | |
| 31 #include "lisp.h" | |
| 32 | |
| 33 #include "buffer.h" | |
| 872 | 34 #include "device-impl.h" |
| 428 | 35 #include "elhash.h" |
| 872 | 36 #include "extents-impl.h" /* for extent_face */ |
| 428 | 37 #include "faces.h" |
| 872 | 38 #include "frame-impl.h" |
| 428 | 39 #include "glyphs.h" |
| 872 | 40 #include "objects-impl.h" |
| 428 | 41 #include "specifier.h" |
| 42 #include "window.h" | |
| 43 | |
| 44 Lisp_Object Qfacep; | |
| 45 Lisp_Object Qforeground, Qbackground, Qdisplay_table; | |
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46 Lisp_Object Qbackground_pixmap, Qbackground_placement, Qunderline, Qdim; |
| 428 | 47 Lisp_Object Qblinking, Qstrikethru; |
| 48 | |
| 49 Lisp_Object Qinit_face_from_resources; | |
| 50 Lisp_Object Qinit_frame_faces; | |
| 51 Lisp_Object Qinit_device_faces; | |
| 52 Lisp_Object Qinit_global_faces; | |
| 53 | |
| 54 /* These faces are used directly internally. We use these variables | |
| 55 to be able to reference them directly and save the overhead of | |
| 56 calling Ffind_face. */ | |
| 57 Lisp_Object Vdefault_face, Vmodeline_face, Vgui_element_face; | |
| 58 Lisp_Object Vleft_margin_face, Vright_margin_face, Vtext_cursor_face; | |
| 59 Lisp_Object Vpointer_face, Vvertical_divider_face, Vtoolbar_face, Vwidget_face; | |
| 60 | |
| 440 | 61 /* Qdefault, Qhighlight, Qleft_margin, Qright_margin defined in general.c */ |
| 62 Lisp_Object Qmodeline, Qgui_element, Qtext_cursor, Qvertical_divider; | |
| 428 | 63 |
| 2867 | 64 Lisp_Object Qface_alias, Qcyclic_face_alias; |
| 2865 | 65 |
| 428 | 66 /* In the old implementation Vface_list was a list of the face names, |
| 67 not the faces themselves. We now distinguish between permanent and | |
| 68 temporary faces. Permanent faces are kept in a regular hash table, | |
| 69 temporary faces in a weak hash table. */ | |
| 70 Lisp_Object Vpermanent_faces_cache; | |
| 71 Lisp_Object Vtemporary_faces_cache; | |
| 72 | |
| 73 Lisp_Object Vbuilt_in_face_specifiers; | |
| 74 | |
| 75 | |
| 3659 | 76 #ifdef DEBUG_XEMACS |
| 77 Fixnum debug_x_faces; | |
| 78 #endif | |
| 79 | |
| 4187 | 80 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901) |
| 3659 | 81 |
| 82 #ifdef DEBUG_XEMACS | |
| 83 # define DEBUG_FACES(FORMAT, ...) \ | |
| 84 do { if (debug_x_faces) stderr_out(FORMAT, __VA_ARGS__); } while (0) | |
| 85 #else /* DEBUG_XEMACS */ | |
| 86 # define DEBUG_FACES(format, ...) | |
| 87 #endif /* DEBUG_XEMACS */ | |
| 88 | |
| 89 #elif defined(__GNUC__) | |
| 90 | |
| 91 #ifdef DEBUG_XEMACS | |
| 92 # define DEBUG_FACES(format, args...) \ | |
| 93 do { if (debug_x_faces) stderr_out(format, args ); } while (0) | |
| 94 #else /* DEBUG_XEMACS */ | |
| 95 # define DEBUG_FACES(format, args...) | |
| 96 #endif /* DEBUG_XEMACS */ | |
| 97 | |
| 98 #else /* defined(__STDC_VERSION__) [...] */ | |
| 99 # define DEBUG_FACES (void) | |
| 100 #endif | |
| 428 | 101 |
| 102 static Lisp_Object | |
| 103 mark_face (Lisp_Object obj) | |
| 104 { | |
| 440 | 105 Lisp_Face *face = XFACE (obj); |
| 428 | 106 |
| 107 mark_object (face->name); | |
| 108 mark_object (face->doc_string); | |
| 109 | |
| 110 mark_object (face->foreground); | |
| 111 mark_object (face->background); | |
| 112 mark_object (face->font); | |
| 113 mark_object (face->display_table); | |
| 114 mark_object (face->background_pixmap); | |
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115 mark_object (face->background_placement); |
| 428 | 116 mark_object (face->underline); |
| 117 mark_object (face->strikethru); | |
| 118 mark_object (face->highlight); | |
| 119 mark_object (face->dim); | |
| 120 mark_object (face->blinking); | |
| 121 mark_object (face->reverse); | |
| 122 | |
| 123 mark_object (face->charsets_warned_about); | |
| 124 | |
| 125 return face->plist; | |
| 126 } | |
| 127 | |
| 128 static void | |
| 2286 | 129 print_face (Lisp_Object obj, Lisp_Object printcharfun, int UNUSED (escapeflag)) |
| 428 | 130 { |
| 440 | 131 Lisp_Face *face = XFACE (obj); |
| 428 | 132 |
| 133 if (print_readably) | |
| 134 { | |
| 800 | 135 write_fmt_string_lisp (printcharfun, "#s(face name %S)", 1, face->name); |
| 428 | 136 } |
| 137 else | |
| 138 { | |
| 800 | 139 write_fmt_string_lisp (printcharfun, "#<face %S", 1, face->name); |
| 428 | 140 if (!NILP (face->doc_string)) |
| 800 | 141 write_fmt_string_lisp (printcharfun, " %S", 1, face->doc_string); |
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142 write_ascstring (printcharfun, ">"); |
| 428 | 143 } |
| 144 } | |
| 145 | |
| 146 /* Faces are equal if all of their display attributes are equal. We | |
| 147 don't compare names or doc-strings, because that would make equal | |
| 148 be eq. | |
| 149 | |
| 150 This isn't concerned with "unspecified" attributes, that's what | |
| 151 #'face-differs-from-default-p is for. */ | |
| 152 static int | |
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153 face_equal (Lisp_Object obj1, Lisp_Object obj2, int depth, |
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154 int UNUSED (foldcase)) |
| 428 | 155 { |
| 440 | 156 Lisp_Face *f1 = XFACE (obj1); |
| 157 Lisp_Face *f2 = XFACE (obj2); | |
| 428 | 158 |
| 159 depth++; | |
| 160 | |
| 161 return | |
| 162 (internal_equal (f1->foreground, f2->foreground, depth) && | |
| 163 internal_equal (f1->background, f2->background, depth) && | |
| 164 internal_equal (f1->font, f2->font, depth) && | |
| 165 internal_equal (f1->display_table, f2->display_table, depth) && | |
| 166 internal_equal (f1->background_pixmap, f2->background_pixmap, depth) && | |
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167 internal_equal (f1->background_placement, |
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168 f2->background_placement, |
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169 depth) && |
| 428 | 170 internal_equal (f1->underline, f2->underline, depth) && |
| 171 internal_equal (f1->strikethru, f2->strikethru, depth) && | |
| 172 internal_equal (f1->highlight, f2->highlight, depth) && | |
| 173 internal_equal (f1->dim, f2->dim, depth) && | |
| 174 internal_equal (f1->blinking, f2->blinking, depth) && | |
| 175 internal_equal (f1->reverse, f2->reverse, depth) && | |
| 176 | |
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177 ! plists_differ (f1->plist, f2->plist, 0, 0, depth + 1, 0)); |
| 428 | 178 } |
| 179 | |
| 665 | 180 static Hashcode |
| 428 | 181 face_hash (Lisp_Object obj, int depth) |
| 182 { | |
| 440 | 183 Lisp_Face *f = XFACE (obj); |
| 428 | 184 |
| 185 depth++; | |
| 186 | |
| 187 /* No need to hash all of the elements; that would take too long. | |
| 188 Just hash the most common ones. */ | |
| 189 return HASH3 (internal_hash (f->foreground, depth), | |
| 190 internal_hash (f->background, depth), | |
| 191 internal_hash (f->font, depth)); | |
| 192 } | |
| 193 | |
| 194 static Lisp_Object | |
| 195 face_getprop (Lisp_Object obj, Lisp_Object prop) | |
| 196 { | |
| 440 | 197 Lisp_Face *f = XFACE (obj); |
| 428 | 198 |
| 199 return | |
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200 (EQ (prop, Qforeground) ? f->foreground : |
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201 EQ (prop, Qbackground) ? f->background : |
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202 EQ (prop, Qfont) ? f->font : |
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203 EQ (prop, Qdisplay_table) ? f->display_table : |
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204 EQ (prop, Qbackground_pixmap) ? f->background_pixmap : |
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205 EQ (prop, Qbackground_placement) ? f->background_placement : |
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206 EQ (prop, Qunderline) ? f->underline : |
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207 EQ (prop, Qstrikethru) ? f->strikethru : |
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208 EQ (prop, Qhighlight) ? f->highlight : |
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209 EQ (prop, Qdim) ? f->dim : |
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210 EQ (prop, Qblinking) ? f->blinking : |
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211 EQ (prop, Qreverse) ? f->reverse : |
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212 EQ (prop, Qdoc_string) ? f->doc_string : |
| 428 | 213 external_plist_get (&f->plist, prop, 0, ERROR_ME)); |
| 214 } | |
| 215 | |
| 216 static int | |
| 217 face_putprop (Lisp_Object obj, Lisp_Object prop, Lisp_Object value) | |
| 218 { | |
| 440 | 219 Lisp_Face *f = XFACE (obj); |
| 428 | 220 |
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221 if (EQ (prop, Qforeground) || |
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222 EQ (prop, Qbackground) || |
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223 EQ (prop, Qfont) || |
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224 EQ (prop, Qdisplay_table) || |
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225 EQ (prop, Qbackground_pixmap) || |
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226 EQ (prop, Qbackground_placement) || |
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227 EQ (prop, Qunderline) || |
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228 EQ (prop, Qstrikethru) || |
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229 EQ (prop, Qhighlight) || |
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230 EQ (prop, Qdim) || |
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231 EQ (prop, Qblinking) || |
| 428 | 232 EQ (prop, Qreverse)) |
| 233 return 0; | |
| 234 | |
| 235 if (EQ (prop, Qdoc_string)) | |
| 236 { | |
| 237 if (!NILP (value)) | |
| 238 CHECK_STRING (value); | |
| 239 f->doc_string = value; | |
| 240 return 1; | |
| 241 } | |
| 242 | |
| 243 external_plist_put (&f->plist, prop, value, 0, ERROR_ME); | |
| 244 return 1; | |
| 245 } | |
| 246 | |
| 247 static int | |
| 248 face_remprop (Lisp_Object obj, Lisp_Object prop) | |
| 249 { | |
| 440 | 250 Lisp_Face *f = XFACE (obj); |
| 428 | 251 |
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252 if (EQ (prop, Qforeground) || |
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253 EQ (prop, Qbackground) || |
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254 EQ (prop, Qfont) || |
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255 EQ (prop, Qdisplay_table) || |
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256 EQ (prop, Qbackground_pixmap) || |
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257 EQ (prop, Qbackground_placement) || |
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258 EQ (prop, Qunderline) || |
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259 EQ (prop, Qstrikethru) || |
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260 EQ (prop, Qhighlight) || |
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261 EQ (prop, Qdim) || |
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262 EQ (prop, Qblinking) || |
| 428 | 263 EQ (prop, Qreverse)) |
| 264 return -1; | |
| 265 | |
| 266 if (EQ (prop, Qdoc_string)) | |
| 267 { | |
| 268 f->doc_string = Qnil; | |
| 269 return 1; | |
| 270 } | |
| 271 | |
| 272 return external_remprop (&f->plist, prop, 0, ERROR_ME); | |
| 273 } | |
| 274 | |
| 275 static Lisp_Object | |
| 276 face_plist (Lisp_Object obj) | |
| 277 { | |
| 440 | 278 Lisp_Face *face = XFACE (obj); |
| 428 | 279 Lisp_Object result = face->plist; |
| 280 | |
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281 result = cons3 (Qreverse, face->reverse, result); |
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282 result = cons3 (Qblinking, face->blinking, result); |
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283 result = cons3 (Qdim, face->dim, result); |
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284 result = cons3 (Qhighlight, face->highlight, result); |
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285 result = cons3 (Qstrikethru, face->strikethru, result); |
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286 result = cons3 (Qunderline, face->underline, result); |
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287 result = cons3 (Qbackground_placement, face->background_placement, result); |
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288 result = cons3 (Qbackground_pixmap, face->background_pixmap, result); |
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289 result = cons3 (Qdisplay_table, face->display_table, result); |
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290 result = cons3 (Qfont, face->font, result); |
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291 result = cons3 (Qbackground, face->background, result); |
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292 result = cons3 (Qforeground, face->foreground, result); |
| 428 | 293 |
| 294 return result; | |
| 295 } | |
| 296 | |
| 1204 | 297 static const struct memory_description face_description[] = { |
| 440 | 298 { XD_LISP_OBJECT, offsetof (Lisp_Face, name) }, |
| 299 { XD_LISP_OBJECT, offsetof (Lisp_Face, doc_string) }, | |
| 300 { XD_LISP_OBJECT, offsetof (Lisp_Face, foreground) }, | |
| 301 { XD_LISP_OBJECT, offsetof (Lisp_Face, background) }, | |
| 302 { XD_LISP_OBJECT, offsetof (Lisp_Face, font) }, | |
| 303 { XD_LISP_OBJECT, offsetof (Lisp_Face, display_table) }, | |
| 304 { XD_LISP_OBJECT, offsetof (Lisp_Face, background_pixmap) }, | |
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305 { XD_LISP_OBJECT, offsetof (Lisp_Face, background_placement) }, |
| 440 | 306 { XD_LISP_OBJECT, offsetof (Lisp_Face, underline) }, |
| 307 { XD_LISP_OBJECT, offsetof (Lisp_Face, strikethru) }, | |
| 308 { XD_LISP_OBJECT, offsetof (Lisp_Face, highlight) }, | |
| 309 { XD_LISP_OBJECT, offsetof (Lisp_Face, dim) }, | |
| 310 { XD_LISP_OBJECT, offsetof (Lisp_Face, blinking) }, | |
| 311 { XD_LISP_OBJECT, offsetof (Lisp_Face, reverse) }, | |
| 312 { XD_LISP_OBJECT, offsetof (Lisp_Face, plist) }, | |
| 313 { XD_LISP_OBJECT, offsetof (Lisp_Face, charsets_warned_about) }, | |
| 428 | 314 { XD_END } |
| 315 }; | |
| 316 | |
|
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317 DEFINE_DUMPABLE_GENERAL_LISP_OBJECT ("face", face, |
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318 mark_face, print_face, 0, face_equal, |
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319 face_hash, face_description, |
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320 face_getprop, |
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321 face_putprop, face_remprop, |
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322 face_plist, 0 /* no disksaver */, |
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323 Lisp_Face); |
| 428 | 324 |
| 325 /************************************************************************/ | |
| 326 /* face read syntax */ | |
| 327 /************************************************************************/ | |
| 328 | |
| 329 static int | |
| 2286 | 330 face_name_validate (Lisp_Object UNUSED (keyword), Lisp_Object value, |
| 578 | 331 Error_Behavior errb) |
| 428 | 332 { |
| 333 if (ERRB_EQ (errb, ERROR_ME)) | |
| 334 { | |
| 335 CHECK_SYMBOL (value); | |
| 336 return 1; | |
| 337 } | |
| 338 | |
| 339 return SYMBOLP (value); | |
| 340 } | |
| 341 | |
| 342 static int | |
| 578 | 343 face_validate (Lisp_Object data, Error_Behavior errb) |
| 428 | 344 { |
| 345 int name_seen = 0; | |
| 346 Lisp_Object valw = Qnil; | |
| 347 | |
| 348 data = Fcdr (data); /* skip over Qface */ | |
| 349 while (!NILP (data)) | |
| 350 { | |
| 351 Lisp_Object keyw = Fcar (data); | |
| 352 | |
| 353 data = Fcdr (data); | |
| 354 valw = Fcar (data); | |
| 355 data = Fcdr (data); | |
| 356 if (EQ (keyw, Qname)) | |
| 357 name_seen = 1; | |
| 358 else | |
| 2500 | 359 ABORT (); |
| 428 | 360 } |
| 361 | |
| 362 if (!name_seen) | |
| 363 { | |
| 563 | 364 maybe_sferror ("No face name given", Qunbound, Qface, errb); |
| 428 | 365 return 0; |
| 366 } | |
| 367 | |
| 368 if (NILP (Ffind_face (valw))) | |
| 369 { | |
| 563 | 370 maybe_invalid_argument ("No such face", valw, Qface, errb); |
| 428 | 371 return 0; |
| 372 } | |
| 373 | |
| 374 return 1; | |
| 375 } | |
| 376 | |
| 377 static Lisp_Object | |
| 378 face_instantiate (Lisp_Object data) | |
| 379 { | |
| 380 return Fget_face (Fcar (Fcdr (data))); | |
| 381 } | |
| 382 | |
| 383 | |
| 384 /**************************************************************************** | |
| 385 * utility functions * | |
| 386 ****************************************************************************/ | |
| 387 | |
| 388 static void | |
| 440 | 389 reset_face (Lisp_Face *f) |
| 428 | 390 { |
| 391 f->name = Qnil; | |
| 392 f->doc_string = Qnil; | |
| 393 f->dirty = 0; | |
| 394 f->foreground = Qnil; | |
| 395 f->background = Qnil; | |
| 396 f->font = Qnil; | |
| 397 f->display_table = Qnil; | |
| 398 f->background_pixmap = Qnil; | |
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399 f->background_placement = Qnil; |
| 428 | 400 f->underline = Qnil; |
| 401 f->strikethru = Qnil; | |
| 402 f->highlight = Qnil; | |
| 403 f->dim = Qnil; | |
| 404 f->blinking = Qnil; | |
| 405 f->reverse = Qnil; | |
| 406 f->plist = Qnil; | |
| 407 f->charsets_warned_about = Qnil; | |
| 408 } | |
| 409 | |
| 440 | 410 static Lisp_Face * |
| 428 | 411 allocate_face (void) |
| 412 { | |
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413 Lisp_Object obj = ALLOC_NORMAL_LISP_OBJECT (face); |
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414 Lisp_Face *result = XFACE (obj); |
| 428 | 415 |
| 416 reset_face (result); | |
| 417 return result; | |
| 418 } | |
| 419 | |
| 420 | |
| 421 /* We store the faces in hash tables with the names as the key and the | |
| 422 actual face object as the value. Occasionally we need to use them | |
| 423 in a list format. These routines provide us with that. */ | |
| 424 struct face_list_closure | |
| 425 { | |
| 426 Lisp_Object *face_list; | |
| 427 }; | |
| 428 | |
| 429 static int | |
| 2286 | 430 add_face_to_list_mapper (Lisp_Object UNUSED (key), Lisp_Object value, |
| 428 | 431 void *face_list_closure) |
| 432 { | |
| 433 /* This function can GC */ | |
| 434 struct face_list_closure *fcl = | |
| 435 (struct face_list_closure *) face_list_closure; | |
| 436 | |
| 437 *(fcl->face_list) = Fcons (XFACE (value)->name, (*fcl->face_list)); | |
| 438 return 0; | |
| 439 } | |
| 440 | |
| 441 static Lisp_Object | |
| 442 faces_list_internal (Lisp_Object list) | |
| 443 { | |
| 444 Lisp_Object face_list = Qnil; | |
| 445 struct gcpro gcpro1; | |
| 446 struct face_list_closure face_list_closure; | |
| 447 | |
| 448 GCPRO1 (face_list); | |
| 449 face_list_closure.face_list = &face_list; | |
| 450 elisp_maphash (add_face_to_list_mapper, list, &face_list_closure); | |
| 451 UNGCPRO; | |
| 452 | |
| 453 return face_list; | |
| 454 } | |
| 455 | |
| 456 static Lisp_Object | |
| 457 permanent_faces_list (void) | |
| 458 { | |
| 459 return faces_list_internal (Vpermanent_faces_cache); | |
| 460 } | |
| 461 | |
| 462 static Lisp_Object | |
| 463 temporary_faces_list (void) | |
| 464 { | |
| 465 return faces_list_internal (Vtemporary_faces_cache); | |
| 466 } | |
| 467 | |
| 468 | |
| 469 static int | |
| 2286 | 470 mark_face_as_clean_mapper (Lisp_Object UNUSED (key), Lisp_Object value, |
| 428 | 471 void *flag_closure) |
| 472 { | |
| 473 /* This function can GC */ | |
| 474 int *flag = (int *) flag_closure; | |
| 475 XFACE (value)->dirty = *flag; | |
| 476 return 0; | |
| 477 } | |
| 478 | |
| 479 static void | |
| 480 mark_all_faces_internal (int flag) | |
| 481 { | |
| 482 elisp_maphash (mark_face_as_clean_mapper, Vpermanent_faces_cache, &flag); | |
| 483 elisp_maphash (mark_face_as_clean_mapper, Vtemporary_faces_cache, &flag); | |
| 484 } | |
| 485 | |
| 486 void | |
| 487 mark_all_faces_as_clean (void) | |
| 488 { | |
| 489 mark_all_faces_internal (0); | |
| 490 } | |
| 491 | |
| 492 /* Currently unused (see the comment in face_property_was_changed()). */ | |
| 493 #if 0 | |
| 494 /* #### OBSOLETE ME, PLEASE. Maybe. Maybe this is just as good as | |
| 495 any other solution. */ | |
| 496 struct face_inheritance_closure | |
| 497 { | |
| 498 Lisp_Object face; | |
| 499 Lisp_Object property; | |
| 500 }; | |
| 501 | |
| 502 static void | |
| 503 update_inheritance_mapper_internal (Lisp_Object cur_face, | |
| 504 Lisp_Object inh_face, | |
| 505 Lisp_Object property) | |
| 506 { | |
| 507 /* #### fix this function */ | |
| 508 Lisp_Object elt = Qnil; | |
| 509 struct gcpro gcpro1; | |
| 510 | |
| 511 GCPRO1 (elt); | |
| 512 | |
| 513 for (elt = FACE_PROPERTY_SPEC_LIST (cur_face, property, Qall); | |
| 514 !NILP (elt); | |
| 515 elt = XCDR (elt)) | |
| 516 { | |
| 517 Lisp_Object values = XCDR (XCAR (elt)); | |
| 518 | |
| 519 for (; !NILP (values); values = XCDR (values)) | |
| 520 { | |
| 521 Lisp_Object value = XCDR (XCAR (values)); | |
| 522 if (VECTORP (value) && XVECTOR_LENGTH (value)) | |
| 523 { | |
| 524 if (EQ (Ffind_face (XVECTOR_DATA (value)[0]), inh_face)) | |
| 525 Fset_specifier_dirty_flag | |
| 526 (FACE_PROPERTY_SPECIFIER (inh_face, property)); | |
| 527 } | |
| 528 } | |
| 529 } | |
| 530 | |
| 531 UNGCPRO; | |
| 532 } | |
| 533 | |
| 534 static int | |
| 442 | 535 update_face_inheritance_mapper (const void *hash_key, void *hash_contents, |
| 428 | 536 void *face_inheritance_closure) |
| 537 { | |
| 538 Lisp_Object key, contents; | |
| 539 struct face_inheritance_closure *fcl = | |
| 540 (struct face_inheritance_closure *) face_inheritance_closure; | |
| 541 | |
| 5013 | 542 key = GET_LISP_FROM_VOID (hash_key); |
| 543 contents = GET_LISP_FROM_VOID (hash_contents); | |
| 428 | 544 |
| 545 if (EQ (fcl->property, Qfont)) | |
| 546 { | |
| 547 update_inheritance_mapper_internal (contents, fcl->face, Qfont); | |
| 548 } | |
| 549 else if (EQ (fcl->property, Qforeground) || | |
| 550 EQ (fcl->property, Qbackground)) | |
| 551 { | |
| 552 update_inheritance_mapper_internal (contents, fcl->face, Qforeground); | |
| 553 update_inheritance_mapper_internal (contents, fcl->face, Qbackground); | |
| 554 } | |
| 555 else if (EQ (fcl->property, Qunderline) || | |
| 556 EQ (fcl->property, Qstrikethru) || | |
| 557 EQ (fcl->property, Qhighlight) || | |
| 558 EQ (fcl->property, Qdim) || | |
| 559 EQ (fcl->property, Qblinking) || | |
| 560 EQ (fcl->property, Qreverse)) | |
| 561 { | |
| 562 update_inheritance_mapper_internal (contents, fcl->face, Qunderline); | |
| 563 update_inheritance_mapper_internal (contents, fcl->face, Qstrikethru); | |
| 564 update_inheritance_mapper_internal (contents, fcl->face, Qhighlight); | |
| 565 update_inheritance_mapper_internal (contents, fcl->face, Qdim); | |
| 566 update_inheritance_mapper_internal (contents, fcl->face, Qblinking); | |
| 567 update_inheritance_mapper_internal (contents, fcl->face, Qreverse); | |
| 568 } | |
| 569 return 0; | |
| 570 } | |
| 571 | |
| 572 static void | |
| 573 update_faces_inheritance (Lisp_Object face, Lisp_Object property) | |
| 574 { | |
| 575 struct face_inheritance_closure face_inheritance_closure; | |
| 576 struct gcpro gcpro1, gcpro2; | |
| 577 | |
| 578 GCPRO2 (face, property); | |
| 579 face_inheritance_closure.face = face; | |
| 580 face_inheritance_closure.property = property; | |
| 581 | |
| 582 elisp_maphash (update_face_inheritance_mapper, Vpermanent_faces_cache, | |
| 583 &face_inheritance_closure); | |
| 584 elisp_maphash (update_face_inheritance_mapper, Vtemporary_faces_cache, | |
| 585 &face_inheritance_closure); | |
| 586 | |
| 587 UNGCPRO; | |
| 588 } | |
| 589 #endif /* 0 */ | |
| 590 | |
| 591 Lisp_Object | |
| 592 face_property_matching_instance (Lisp_Object face, Lisp_Object property, | |
| 593 Lisp_Object charset, Lisp_Object domain, | |
| 578 | 594 Error_Behavior errb, int no_fallback, |
| 3659 | 595 Lisp_Object depth, |
| 596 enum font_specifier_matchspec_stages stage) | |
| 428 | 597 { |
| 771 | 598 Lisp_Object retval; |
| 872 | 599 Lisp_Object matchspec = Qunbound; |
| 600 struct gcpro gcpro1; | |
| 771 | 601 |
| 872 | 602 if (!NILP (charset)) |
| 4187 | 603 matchspec = noseeum_cons (charset, |
|
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604 stage == STAGE_INITIAL ? Qinitial : Qfinal); |
| 3659 | 605 |
| 872 | 606 GCPRO1 (matchspec); |
|
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607 /* This call to specifier_instance_no_quit(), will end up calling |
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608 font_instantiate() if the property in a question is a font (currently, |
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609 this means EQ (property, Qfont), because only the face property named |
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610 `font' contains a font object). See the comments there. */ |
| 872 | 611 retval = specifier_instance_no_quit (Fget (face, property, Qnil), matchspec, |
| 771 | 612 domain, errb, no_fallback, depth); |
| 872 | 613 UNGCPRO; |
| 614 if (CONSP (matchspec)) | |
| 615 free_cons (matchspec); | |
| 428 | 616 |
|
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617 if (UNBOUNDP (retval) && !no_fallback && STAGE_FINAL == stage) |
| 428 | 618 { |
| 619 if (EQ (property, Qfont)) | |
| 620 { | |
| 621 if (NILP (memq_no_quit (charset, | |
| 622 XFACE (face)->charsets_warned_about))) | |
| 623 { | |
| 793 | 624 if (!UNBOUNDP (charset)) |
| 428 | 625 warn_when_safe |
| 793 | 626 (Qfont, Qnotice, |
| 627 "Unable to instantiate font for charset %s, face %s", | |
| 628 XSTRING_DATA (symbol_name | |
| 629 (XSYMBOL (XCHARSET_NAME (charset)))), | |
| 630 XSTRING_DATA (symbol_name | |
| 631 (XSYMBOL (XFACE (face)->name)))); | |
| 428 | 632 XFACE (face)->charsets_warned_about = |
| 633 Fcons (charset, XFACE (face)->charsets_warned_about); | |
| 634 } | |
| 635 retval = Vthe_null_font_instance; | |
| 636 } | |
| 637 } | |
| 638 | |
| 639 return retval; | |
| 640 } | |
| 641 | |
| 642 | |
| 643 DEFUN ("facep", Ffacep, 1, 1, 0, /* | |
| 444 | 644 Return t if OBJECT is a face. |
| 428 | 645 */ |
| 646 (object)) | |
| 647 { | |
| 648 return FACEP (object) ? Qt : Qnil; | |
| 649 } | |
| 650 | |
| 651 DEFUN ("find-face", Ffind_face, 1, 1, 0, /* | |
| 652 Retrieve the face of the given name. | |
| 653 If FACE-OR-NAME is a face object, it is simply returned. | |
| 654 Otherwise, FACE-OR-NAME should be a symbol. If there is no such face, | |
| 655 nil is returned. Otherwise the associated face object is returned. | |
| 656 */ | |
| 657 (face_or_name)) | |
| 658 { | |
| 659 Lisp_Object retval; | |
| 2865 | 660 Lisp_Object face_name; |
| 661 Lisp_Object face_alias; | |
| 662 int i; | |
| 428 | 663 |
| 664 if (FACEP (face_or_name)) | |
| 665 return face_or_name; | |
| 2865 | 666 |
| 667 face_name = face_or_name; | |
| 668 CHECK_SYMBOL (face_name); | |
| 669 | |
| 2867 | 670 # define FACE_ALIAS_MAX_DEPTH 32 |
| 2865 | 671 |
| 672 i = 0; | |
| 673 while (! NILP ((face_alias = Fget (face_name, Qface_alias, Qnil))) | |
| 2867 | 674 && i < FACE_ALIAS_MAX_DEPTH) |
| 2865 | 675 { |
| 676 face_name = face_alias; | |
| 677 CHECK_SYMBOL (face_alias); | |
| 678 i += 1; | |
| 679 } | |
| 680 | |
| 681 /* #### This test actually makes the aliasing max depth to 30, which is more | |
| 682 #### than enough IMO. -- dvl */ | |
| 2867 | 683 if (i == FACE_ALIAS_MAX_DEPTH) |
| 684 signal_error (Qcyclic_face_alias, | |
| 2865 | 685 "Max face aliasing depth reached", |
| 686 face_name); | |
| 687 | |
| 2867 | 688 # undef FACE_ALIAS_MAX_DEPTH |
| 428 | 689 |
| 690 /* Check if the name represents a permanent face. */ | |
| 2865 | 691 retval = Fgethash (face_name, Vpermanent_faces_cache, Qnil); |
| 428 | 692 if (!NILP (retval)) |
| 693 return retval; | |
| 694 | |
| 695 /* Check if the name represents a temporary face. */ | |
| 2865 | 696 return Fgethash (face_name, Vtemporary_faces_cache, Qnil); |
| 428 | 697 } |
| 698 | |
| 699 DEFUN ("get-face", Fget_face, 1, 1, 0, /* | |
| 700 Retrieve the face of the given name. | |
| 701 Same as `find-face' except an error is signalled if there is no such | |
| 702 face instead of returning nil. | |
| 703 */ | |
| 704 (name)) | |
| 705 { | |
| 706 Lisp_Object face = Ffind_face (name); | |
| 707 | |
| 708 if (NILP (face)) | |
| 563 | 709 invalid_argument ("No such face", name); |
| 428 | 710 return face; |
| 711 } | |
| 712 | |
| 713 DEFUN ("face-name", Fface_name, 1, 1, 0, /* | |
| 714 Return the name of the given face. | |
| 715 */ | |
| 716 (face)) | |
| 717 { | |
| 718 return XFACE (Fget_face (face))->name; | |
| 719 } | |
| 720 | |
| 721 DEFUN ("built-in-face-specifiers", Fbuilt_in_face_specifiers, 0, 0, 0, /* | |
| 722 Return a list of all built-in face specifier properties. | |
|
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723 |
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724 This is a copy; there is no way to modify XEmacs' idea of the built-in face |
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725 specifier properties from Lisp. |
| 428 | 726 */ |
| 727 ()) | |
| 728 { | |
|
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729 return Fcopy_list(Vbuilt_in_face_specifiers); |
| 428 | 730 } |
| 731 | |
| 732 /* These values are retrieved so often that we make a special | |
| 733 function. | |
| 734 */ | |
| 735 | |
| 736 void | |
| 737 default_face_font_info (Lisp_Object domain, int *ascent, int *descent, | |
|
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738 int *width, int *height, int *proportional_p) |
| 428 | 739 { |
| 740 Lisp_Object font_instance; | |
| 3707 | 741 struct face_cachel *cachel; |
| 742 struct window *w = NULL; | |
| 428 | 743 |
| 744 if (noninteractive) | |
| 745 { | |
| 746 if (ascent) | |
| 4187 | 747 *ascent = 1; |
| 428 | 748 if (descent) |
| 4187 | 749 *descent = 0; |
| 428 | 750 if (height) |
| 4187 | 751 *height = 1; |
| 428 | 752 if (width) |
| 4187 | 753 *width = 1; |
| 428 | 754 if (proportional_p) |
| 4187 | 755 *proportional_p = 0; |
| 428 | 756 return; |
| 757 } | |
| 758 | |
| 3707 | 759 /* We use ASCII here. This is reasonable because the people calling this |
| 760 function are using the resulting values to come up with overall sizes | |
| 4187 | 761 for windows and frames. |
| 3707 | 762 |
| 763 It's possible for this function to get called when the face cachels | |
| 764 have not been initialized--put a call to debug-print in | |
| 765 init-locale-at-early-startup to see it happen. */ | |
| 766 | |
| 767 if (WINDOWP (domain) && (w = XWINDOW (domain)) && w->face_cachels) | |
| 428 | 768 { |
| 769 if (!Dynarr_length (w->face_cachels)) | |
| 4187 | 770 reset_face_cachels (w); |
| 428 | 771 cachel = WINDOW_FACE_CACHEL (w, DEFAULT_INDEX); |
| 772 font_instance = FACE_CACHEL_FONT (cachel, Vcharset_ascii); | |
| 773 } | |
| 774 else | |
| 775 { | |
| 776 font_instance = FACE_FONT (Vdefault_face, domain, Vcharset_ascii); | |
| 777 } | |
| 778 | |
| 3707 | 779 if (UNBOUNDP (font_instance)) |
| 780 { | |
| 781 return; | |
| 782 } | |
| 783 | |
| 428 | 784 if (height) |
| 785 *height = XFONT_INSTANCE (font_instance)->height; | |
| 786 if (width) | |
| 787 *width = XFONT_INSTANCE (font_instance)->width; | |
| 788 if (ascent) | |
| 789 *ascent = XFONT_INSTANCE (font_instance)->ascent; | |
| 790 if (descent) | |
| 791 *descent = XFONT_INSTANCE (font_instance)->descent; | |
| 792 if (proportional_p) | |
| 793 *proportional_p = XFONT_INSTANCE (font_instance)->proportional_p; | |
| 794 } | |
| 795 | |
| 796 void | |
|
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797 default_face_width_and_height (Lisp_Object domain, int *width, int *height) |
| 428 | 798 { |
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799 default_face_font_info (domain, 0, 0, width, height, 0); |
| 428 | 800 } |
| 801 | |
| 802 DEFUN ("face-list", Fface_list, 0, 1, 0, /* | |
| 803 Return a list of the names of all defined faces. | |
| 804 If TEMPORARY is nil, only the permanent faces are included. | |
| 805 If it is t, only the temporary faces are included. If it is any | |
| 806 other non-nil value both permanent and temporary are included. | |
| 807 */ | |
| 808 (temporary)) | |
| 809 { | |
| 810 Lisp_Object face_list = Qnil; | |
| 811 | |
| 812 /* Added the permanent faces, if requested. */ | |
| 813 if (NILP (temporary) || !EQ (Qt, temporary)) | |
| 814 face_list = permanent_faces_list (); | |
| 815 | |
| 816 if (!NILP (temporary)) | |
| 817 { | |
| 818 struct gcpro gcpro1; | |
| 819 GCPRO1 (face_list); | |
| 820 face_list = nconc2 (face_list, temporary_faces_list ()); | |
| 821 UNGCPRO; | |
| 822 } | |
| 823 | |
| 824 return face_list; | |
| 825 } | |
| 826 | |
| 827 DEFUN ("make-face", Fmake_face, 1, 3, 0, /* | |
| 444 | 828 Define a new face with name NAME (a symbol), described by DOC-STRING. |
| 829 You can modify the font, color, etc. of a face with the set-face-* functions. | |
| 428 | 830 If the face already exists, it is unmodified. |
| 831 If TEMPORARY is non-nil, this face will cease to exist if not in use. | |
| 832 */ | |
| 833 (name, doc_string, temporary)) | |
| 834 { | |
| 835 /* This function can GC if initialized is non-zero */ | |
| 440 | 836 Lisp_Face *f; |
| 428 | 837 Lisp_Object face; |
| 838 | |
| 839 CHECK_SYMBOL (name); | |
| 840 if (!NILP (doc_string)) | |
| 841 CHECK_STRING (doc_string); | |
| 842 | |
| 843 face = Ffind_face (name); | |
| 844 if (!NILP (face)) | |
| 845 return face; | |
| 846 | |
| 847 f = allocate_face (); | |
| 793 | 848 face = wrap_face (f); |
| 428 | 849 |
| 850 f->name = name; | |
| 851 f->doc_string = doc_string; | |
| 852 f->foreground = Fmake_specifier (Qcolor); | |
| 853 set_color_attached_to (f->foreground, face, Qforeground); | |
| 854 f->background = Fmake_specifier (Qcolor); | |
| 855 set_color_attached_to (f->background, face, Qbackground); | |
| 856 f->font = Fmake_specifier (Qfont); | |
| 857 set_font_attached_to (f->font, face, Qfont); | |
| 858 f->background_pixmap = Fmake_specifier (Qimage); | |
| 859 set_image_attached_to (f->background_pixmap, face, Qbackground_pixmap); | |
|
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860 f->background_placement = Fmake_specifier (Qface_background_placement); |
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861 set_face_background_placement_attached_to (f->background_placement, face); |
| 428 | 862 f->display_table = Fmake_specifier (Qdisplay_table); |
| 863 f->underline = Fmake_specifier (Qface_boolean); | |
| 864 set_face_boolean_attached_to (f->underline, face, Qunderline); | |
| 865 f->strikethru = Fmake_specifier (Qface_boolean); | |
| 866 set_face_boolean_attached_to (f->strikethru, face, Qstrikethru); | |
| 867 f->highlight = Fmake_specifier (Qface_boolean); | |
| 868 set_face_boolean_attached_to (f->highlight, face, Qhighlight); | |
| 869 f->dim = Fmake_specifier (Qface_boolean); | |
| 870 set_face_boolean_attached_to (f->dim, face, Qdim); | |
| 871 f->blinking = Fmake_specifier (Qface_boolean); | |
| 872 set_face_boolean_attached_to (f->blinking, face, Qblinking); | |
| 873 f->reverse = Fmake_specifier (Qface_boolean); | |
| 874 set_face_boolean_attached_to (f->reverse, face, Qreverse); | |
| 875 if (!NILP (Vdefault_face)) | |
| 876 { | |
| 877 /* If the default face has already been created, set it as | |
| 878 the default fallback specifier for all the specifiers we | |
| 879 just created. This implements the standard "all faces | |
| 880 inherit from default" behavior. */ | |
| 881 set_specifier_fallback (f->foreground, | |
| 882 Fget (Vdefault_face, Qforeground, Qunbound)); | |
| 883 set_specifier_fallback (f->background, | |
| 884 Fget (Vdefault_face, Qbackground, Qunbound)); | |
| 885 set_specifier_fallback (f->font, | |
| 886 Fget (Vdefault_face, Qfont, Qunbound)); | |
| 887 set_specifier_fallback (f->background_pixmap, | |
| 888 Fget (Vdefault_face, Qbackground_pixmap, | |
| 889 Qunbound)); | |
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890 set_specifier_fallback (f->background_placement, |
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891 Fget (Vdefault_face, Qbackground_placement, |
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892 Qunbound)); |
| 428 | 893 set_specifier_fallback (f->display_table, |
| 894 Fget (Vdefault_face, Qdisplay_table, Qunbound)); | |
| 895 set_specifier_fallback (f->underline, | |
| 896 Fget (Vdefault_face, Qunderline, Qunbound)); | |
| 897 set_specifier_fallback (f->strikethru, | |
| 898 Fget (Vdefault_face, Qstrikethru, Qunbound)); | |
| 899 set_specifier_fallback (f->highlight, | |
| 900 Fget (Vdefault_face, Qhighlight, Qunbound)); | |
| 901 set_specifier_fallback (f->dim, | |
| 902 Fget (Vdefault_face, Qdim, Qunbound)); | |
| 903 set_specifier_fallback (f->blinking, | |
| 904 Fget (Vdefault_face, Qblinking, Qunbound)); | |
| 905 set_specifier_fallback (f->reverse, | |
| 906 Fget (Vdefault_face, Qreverse, Qunbound)); | |
| 907 } | |
| 908 | |
| 909 /* Add the face to the appropriate list. */ | |
| 910 if (NILP (temporary)) | |
| 911 Fputhash (name, face, Vpermanent_faces_cache); | |
| 912 else | |
| 913 Fputhash (name, face, Vtemporary_faces_cache); | |
| 914 | |
| 915 /* Note that it's OK if we dump faces. | |
| 916 When we start up again when we're not noninteractive, | |
| 917 `init-global-faces' is called and it resources all | |
| 918 existing faces. */ | |
| 919 if (initialized && !noninteractive) | |
| 920 { | |
| 921 struct gcpro gcpro1, gcpro2; | |
| 922 | |
| 923 GCPRO2 (name, face); | |
| 924 call1 (Qinit_face_from_resources, name); | |
| 925 UNGCPRO; | |
| 926 } | |
| 927 | |
| 928 return face; | |
| 929 } | |
| 930 | |
| 931 | |
| 932 /***************************************************************************** | |
| 933 initialization code | |
| 934 ****************************************************************************/ | |
| 935 | |
| 936 void | |
| 937 init_global_faces (struct device *d) | |
| 938 { | |
| 939 /* When making the initial terminal device, there is no Lisp code | |
| 940 loaded, so we can't do this. */ | |
| 941 if (initialized && !noninteractive) | |
| 872 | 942 call_critical_lisp_code (d, Qinit_global_faces, wrap_device (d)); |
| 428 | 943 } |
| 944 | |
| 945 void | |
| 946 init_device_faces (struct device *d) | |
| 947 { | |
| 948 /* This function can call lisp */ | |
| 949 | |
| 950 /* When making the initial terminal device, there is no Lisp code | |
| 951 loaded, so we can't do this. */ | |
| 952 if (initialized) | |
| 872 | 953 call_critical_lisp_code (d, Qinit_device_faces, wrap_device (d)); |
| 428 | 954 } |
| 955 | |
| 956 void | |
| 957 init_frame_faces (struct frame *frm) | |
| 958 { | |
| 959 /* When making the initial terminal device, there is no Lisp code | |
| 960 loaded, so we can't do this. */ | |
| 961 if (initialized) | |
| 962 { | |
| 793 | 963 Lisp_Object tframe = wrap_frame (frm); |
| 964 | |
| 428 | 965 |
| 966 /* DO NOT change the selected frame here. If the debugger goes off | |
| 4187 | 967 it will try and display on the frame being created, but it is not |
| 968 ready for that yet and a horrible death will occur. Any random | |
| 969 code depending on the selected-frame as an implicit arg should be | |
| 970 tracked down and shot. For the benefit of the one known, | |
| 971 xpm-color-symbols, make-frame sets the variable | |
| 972 Vframe_being_created to the frame it is making and sets it to nil | |
| 973 when done. Internal functions that this could trigger which are | |
| 974 currently depending on selected-frame should use this instead. It | |
| 975 is not currently visible at the lisp level. */ | |
| 428 | 976 call_critical_lisp_code (XDEVICE (FRAME_DEVICE (frm)), |
| 977 Qinit_frame_faces, tframe); | |
| 978 } | |
| 979 } | |
| 980 | |
| 981 | |
| 982 /**************************************************************************** | |
| 983 * face cache element functions * | |
| 984 ****************************************************************************/ | |
| 985 | |
| 986 /* | |
| 987 | |
| 988 #### Here is a description of how the face cache elements ought | |
| 989 to be redone. It is *NOT* how they work currently: | |
| 990 | |
| 991 However, when I started to go about implementing this, I realized | |
| 992 that there are all sorts of subtle problems with cache coherency | |
| 993 that are coming up. As it turns out, these problems don't | |
| 994 manifest themselves now due to the brute-force "kill 'em all" | |
| 995 approach to cache invalidation when faces change; but if this | |
| 996 is ever made smarter, these problems are going to come up, and | |
| 997 some of them are very non-obvious. | |
| 998 | |
| 999 I'm thinking of redoing the cache code a bit to avoid these | |
| 1000 coherency problems. The bulk of the problems will arise because | |
| 1001 the current display structures have simple indices into the | |
| 1002 face cache, but the cache can be changed at various times, | |
| 1003 which could make the current display structures incorrect. | |
| 1004 I guess the dirty and updated flags are an attempt to fix | |
| 1005 this, but this approach doesn't really work. | |
| 1006 | |
| 1007 Here's an approach that should keep things clean and unconfused: | |
| 1008 | |
| 1009 1) Imagine a "virtual face cache" that can grow arbitrarily | |
| 1010 big and for which the only thing allowed is to add new | |
| 1011 elements. Existing elements cannot be removed or changed. | |
| 1012 This way, any pointers in the existing redisplay structure | |
| 1013 into the cache never get screwed up. (This is important | |
| 1014 because even if a cache element is out of date, if there's | |
| 1015 a pointer to it then its contents still accurately describe | |
| 1016 the way the text currently looks on the screen.) | |
| 1017 2) Each element in the virtual cache either describes exactly | |
| 1018 one face, or describes the merger of a number of faces | |
| 1019 by some process. In order to simplify things, for mergers | |
| 1020 we do not record which faces or ordering was used, but | |
| 1021 simply that this cache element is the result of merging. | |
| 1022 Unlike the current implementation, it's important that a | |
| 1023 single cache element not be used to both describe a | |
| 1024 single face and describe a merger, even if all the property | |
| 1025 values are the same. | |
| 1026 3) Each cache element can be clean or dirty. "Dirty" means | |
| 1027 that the face that the element points to has been changed; | |
| 1028 this gets set at the time the face is changed. This | |
| 1029 way, when looking up a value in the cache, you can determine | |
| 1030 whether it's out of date or not. For merged faces it | |
| 1031 does not matter -- we don't record the faces or priority | |
| 1032 used to create the merger, so it's impossible to look up | |
| 1033 one of these faces. We have to recompute it each time. | |
| 1034 Luckily, this is fine -- doing the merge is much | |
| 1035 less expensive than recomputing the properties of a | |
| 1036 single face. | |
| 1037 4) For each cache element, we keep a hash value. (In order | |
| 1038 to hash the boolean properties, we convert each of them | |
| 1039 into a different large prime number so that the hashing works | |
| 1040 well.) This allows us, when comparing runes, to properly | |
| 1041 determine whether the face for that rune has changed. | |
| 1042 This will be especially important for TTY's, where there | |
| 1043 aren't that many faces and minimizing redraw is very | |
| 1044 important. | |
| 1045 5) We can't actually keep an infinite cache, but that doesn't | |
| 1046 really matter that much. The only elements we care about | |
| 1047 are those that are used by either the current or desired | |
| 1048 display structs. Therefore, we keep a per-window | |
| 1049 redisplay iteration number, and mark each element with | |
| 1050 that number as we use it. Just after outputting the | |
| 1051 window and synching the redisplay structs, we go through | |
| 1052 the cache and invalidate all elements that are not clean | |
| 1053 elements referring to a particular face and that do not | |
| 1054 have an iteration number equal to the current one. We | |
| 1055 keep them in a chain, and use them to allocate new | |
| 1056 elements when possible instead of increasing the Dynarr. | |
| 1057 | |
| 872 | 1058 --ben (?? At least I think I wrote this!) |
| 428 | 1059 */ |
| 1060 | |
| 1061 /* mark for GC a dynarr of face cachels. */ | |
| 1062 | |
| 1063 void | |
| 1064 mark_face_cachels (face_cachel_dynarr *elements) | |
| 1065 { | |
| 1066 int elt; | |
| 1067 | |
| 1068 if (!elements) | |
| 1069 return; | |
| 1070 | |
| 1071 for (elt = 0; elt < Dynarr_length (elements); elt++) | |
| 1072 { | |
| 1073 struct face_cachel *cachel = Dynarr_atp (elements, elt); | |
| 1074 | |
| 1075 { | |
| 1076 int i; | |
| 1077 | |
| 1078 for (i = 0; i < NUM_LEADING_BYTES; i++) | |
| 1079 if (!NILP (cachel->font[i]) && !UNBOUNDP (cachel->font[i])) | |
| 1080 mark_object (cachel->font[i]); | |
| 1081 } | |
| 1082 mark_object (cachel->face); | |
| 1083 mark_object (cachel->foreground); | |
| 1084 mark_object (cachel->background); | |
| 1085 mark_object (cachel->display_table); | |
| 1086 mark_object (cachel->background_pixmap); | |
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1087 mark_object (cachel->background_placement); |
| 428 | 1088 } |
| 1089 } | |
| 1090 | |
| 1091 /* ensure that the given cachel contains an updated font value for | |
| 3094 | 1092 the given charset. Return the updated font value (which can be |
| 1093 Qunbound, so this value must not be passed unchecked to Lisp). | |
| 1094 | |
| 1095 #### Xft: This function will need to be updated for new font model. */ | |
| 428 | 1096 |
| 1097 Lisp_Object | |
| 1098 ensure_face_cachel_contains_charset (struct face_cachel *cachel, | |
| 1099 Lisp_Object domain, Lisp_Object charset) | |
| 1100 { | |
| 1101 Lisp_Object new_val; | |
| 1102 Lisp_Object face = cachel->face; | |
| 3659 | 1103 int bound = 1, final_stage = 0; |
| 428 | 1104 int offs = XCHARSET_LEADING_BYTE (charset) - MIN_LEADING_BYTE; |
| 1105 | |
| 4187 | 1106 if (!UNBOUNDP (cachel->font[offs]) && |
| 3659 | 1107 bit_vector_bit(FACE_CACHEL_FONT_UPDATED (cachel), offs)) |
| 428 | 1108 return cachel->font[offs]; |
| 1109 | |
| 1110 if (UNBOUNDP (face)) | |
| 1111 { | |
| 1112 /* a merged face. */ | |
| 1113 int i; | |
| 1114 struct window *w = XWINDOW (domain); | |
| 1115 | |
| 1116 new_val = Qunbound; | |
| 3659 | 1117 set_bit_vector_bit(FACE_CACHEL_FONT_SPECIFIED(cachel), offs, 0); |
| 1118 | |
| 428 | 1119 for (i = 0; i < cachel->nfaces; i++) |
| 1120 { | |
| 1121 struct face_cachel *oth; | |
| 1122 | |
| 1123 oth = Dynarr_atp (w->face_cachels, | |
| 1124 FACE_CACHEL_FINDEX_UNSAFE (cachel, i)); | |
| 1125 /* Tout le monde aime la recursion */ | |
| 1126 ensure_face_cachel_contains_charset (oth, domain, charset); | |
| 1127 | |
| 3659 | 1128 if (bit_vector_bit(FACE_CACHEL_FONT_SPECIFIED(oth), offs)) |
| 428 | 1129 { |
| 1130 new_val = oth->font[offs]; | |
| 3659 | 1131 set_bit_vector_bit(FACE_CACHEL_FONT_SPECIFIED(cachel), offs, 1); |
| 1132 set_bit_vector_bit | |
| 4187 | 1133 (FACE_CACHEL_FONT_FINAL_STAGE(cachel), offs, |
| 3659 | 1134 bit_vector_bit(FACE_CACHEL_FONT_FINAL_STAGE(oth), offs)); |
| 428 | 1135 break; |
| 1136 } | |
| 1137 } | |
| 1138 | |
| 3659 | 1139 if (!bit_vector_bit(FACE_CACHEL_FONT_SPECIFIED(cachel), offs)) |
| 428 | 1140 /* need to do the default face. */ |
| 1141 { | |
| 1142 struct face_cachel *oth = | |
| 1143 Dynarr_atp (w->face_cachels, DEFAULT_INDEX); | |
| 1144 ensure_face_cachel_contains_charset (oth, domain, charset); | |
| 1145 | |
| 1146 new_val = oth->font[offs]; | |
| 1147 } | |
| 1148 | |
| 4187 | 1149 if (!UNBOUNDP (cachel->font[offs]) && |
| 3659 | 1150 !EQ (cachel->font[offs], new_val)) |
| 428 | 1151 cachel->dirty = 1; |
| 3659 | 1152 set_bit_vector_bit(FACE_CACHEL_FONT_UPDATED(cachel), offs, 1); |
| 428 | 1153 cachel->font[offs] = new_val; |
| 3659 | 1154 DEBUG_FACES("just recursed on the unbound face, returning " |
| 1155 "something %s\n", UNBOUNDP(new_val) ? "not bound" | |
| 1156 : "bound"); | |
| 428 | 1157 return new_val; |
| 1158 } | |
| 1159 | |
| 3659 | 1160 do { |
| 1161 | |
| 1162 /* Lookup the face, specifying the initial stage and that fallbacks | |
| 1163 shouldn't happen. */ | |
| 1164 new_val = face_property_matching_instance (face, Qfont, charset, domain, | |
| 1165 /* ERROR_ME_DEBUG_WARN is | |
| 1166 fine here. */ | |
| 1167 ERROR_ME_DEBUG_WARN, 1, Qzero, | |
|
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1168 STAGE_INITIAL); |
| 3659 | 1169 DEBUG_FACES("just called f_p_m_i on face %s, charset %s, initial, " |
| 4187 | 1170 "result was something %s\n", |
| 1171 XSTRING_DATA(XSYMBOL_NAME(XFACE(cachel->face)->name)), | |
| 3659 | 1172 XSTRING_DATA(XSYMBOL_NAME(XCHARSET_NAME(charset))), |
| 1173 UNBOUNDP(new_val) ? "not bound" : "bound"); | |
| 1174 | |
| 1175 if (!UNBOUNDP (new_val)) break; | |
| 1176 | |
| 1177 bound = 0; | |
| 1178 /* Lookup the face again, this time allowing the fallback. If this | |
| 1179 succeeds, it'll give a font intended for the script in question, | |
| 1180 which is preferable to translating to ISO10646-1 and using the | |
|
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1181 fixed-width fallback. |
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1182 |
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1183 #### This is questionable. The problem is that unusual scripts |
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1184 will typically fallback to the hard-coded values as the user is |
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1185 unlikely to have specified them herself, a common complaint. */ |
| 3659 | 1186 new_val = face_property_matching_instance (face, Qfont, |
| 1187 charset, domain, | |
| 1188 ERROR_ME_DEBUG_WARN, 0, | |
| 4187 | 1189 Qzero, |
|
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1190 STAGE_INITIAL); |
| 3659 | 1191 |
|
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1192 DEBUG_FACES ("just called f_p_m_i on face %s, charset %s, initial, " |
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1193 "allow fallback, result was something %s\n", |
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1194 XSTRING_DATA (XSYMBOL_NAME (XFACE (cachel->face)->name)), |
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1195 XSTRING_DATA (XSYMBOL_NAME (XCHARSET_NAME (charset))), |
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1196 UNBOUNDP (new_val) ? "not bound" : "bound"); |
| 3659 | 1197 |
|
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1198 if (!UNBOUNDP (new_val)) |
| 3659 | 1199 { |
| 1200 break; | |
| 1201 } | |
| 1202 | |
| 1203 bound = 1; | |
| 1204 /* Try the face itself with the final-stage specifiers. */ | |
| 1205 new_val = face_property_matching_instance (face, Qfont, | |
| 1206 charset, domain, | |
| 1207 ERROR_ME_DEBUG_WARN, 1, | |
| 4187 | 1208 Qzero, |
|
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|
1209 STAGE_FINAL); |
| 3659 | 1210 |
| 1211 DEBUG_FACES("just called f_p_m_i on face %s, charset %s, final, " | |
| 4187 | 1212 "result was something %s\n", |
| 1213 XSTRING_DATA(XSYMBOL_NAME(XFACE(cachel->face)->name)), | |
| 3659 | 1214 XSTRING_DATA(XSYMBOL_NAME(XCHARSET_NAME(charset))), |
| 1215 UNBOUNDP(new_val) ? "not bound" : "bound"); | |
| 1216 /* Tell X11 redisplay that it should translate to iso10646-1. */ | |
|
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|
1217 if (!UNBOUNDP (new_val)) |
| 3659 | 1218 { |
| 1219 final_stage = 1; | |
| 1220 break; | |
| 1221 } | |
| 1222 | |
| 1223 bound = 0; | |
| 1224 | |
| 1225 /* Lookup the face again, this time both allowing the fallback and | |
| 1226 allowing its final stage to be used. */ | |
| 1227 new_val = face_property_matching_instance (face, Qfont, | |
| 1228 charset, domain, | |
| 1229 ERROR_ME_DEBUG_WARN, 0, | |
| 4187 | 1230 Qzero, |
|
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|
1231 STAGE_FINAL); |
| 3659 | 1232 |
|
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|
1233 DEBUG_FACES ("just called f_p_m_i on face %s, charset %s, initial, " |
|
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diff
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|
1234 "allow fallback, result was something %s\n", |
|
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|
1235 XSTRING_DATA (XSYMBOL_NAME (XFACE (cachel->face)->name)), |
|
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1236 XSTRING_DATA (XSYMBOL_NAME (XCHARSET_NAME (charset))), |
|
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diff
changeset
|
1237 UNBOUNDP (new_val) ? "not bound" : "bound"); |
| 3659 | 1238 if (!UNBOUNDP(new_val)) |
| 1239 { | |
| 1240 /* Tell X11 redisplay that it should translate to iso10646-1. */ | |
| 1241 final_stage = 1; | |
| 1242 break; | |
| 1243 } | |
| 1244 } while (0); | |
| 1245 | |
| 428 | 1246 if (!UNBOUNDP (cachel->font[offs]) && !EQ (new_val, cachel->font[offs])) |
| 1247 cachel->dirty = 1; | |
| 3659 | 1248 |
| 1249 set_bit_vector_bit(FACE_CACHEL_FONT_UPDATED(cachel), offs, 1); | |
| 1250 set_bit_vector_bit(FACE_CACHEL_FONT_FINAL_STAGE(cachel), offs, | |
| 1251 final_stage); | |
| 4187 | 1252 set_bit_vector_bit(FACE_CACHEL_FONT_SPECIFIED(cachel), offs, |
| 3659 | 1253 (bound || EQ (face, Vdefault_face))); |
| 428 | 1254 cachel->font[offs] = new_val; |
| 1255 return new_val; | |
| 1256 } | |
| 1257 | |
| 1258 /* Ensure that the given cachel contains updated fonts for all | |
| 1259 the charsets specified. */ | |
| 1260 | |
| 1261 void | |
| 1262 ensure_face_cachel_complete (struct face_cachel *cachel, | |
| 1263 Lisp_Object domain, unsigned char *charsets) | |
| 1264 { | |
| 1265 int i; | |
| 1266 | |
| 1267 for (i = 0; i < NUM_LEADING_BYTES; i++) | |
| 1268 if (charsets[i]) | |
| 1269 { | |
| 826 | 1270 Lisp_Object charset = charset_by_leading_byte (i + MIN_LEADING_BYTE); |
| 428 | 1271 assert (CHARSETP (charset)); |
| 1272 ensure_face_cachel_contains_charset (cachel, domain, charset); | |
| 1273 } | |
| 1274 } | |
| 1275 | |
| 1276 void | |
| 1277 face_cachel_charset_font_metric_info (struct face_cachel *cachel, | |
| 1278 unsigned char *charsets, | |
| 1279 struct font_metric_info *fm) | |
| 1280 { | |
| 1281 int i; | |
| 1282 | |
| 1283 fm->width = 1; | |
| 1284 fm->height = fm->ascent = 1; | |
| 1285 fm->descent = 0; | |
| 1286 fm->proportional_p = 0; | |
| 1287 | |
| 1288 for (i = 0; i < NUM_LEADING_BYTES; i++) | |
| 1289 { | |
| 1290 if (charsets[i]) | |
| 1291 { | |
| 826 | 1292 Lisp_Object charset = charset_by_leading_byte (i + MIN_LEADING_BYTE); |
| 428 | 1293 Lisp_Object font_instance = FACE_CACHEL_FONT (cachel, charset); |
| 440 | 1294 Lisp_Font_Instance *fi = XFONT_INSTANCE (font_instance); |
| 428 | 1295 |
| 1296 assert (CHARSETP (charset)); | |
| 1297 assert (FONT_INSTANCEP (font_instance)); | |
| 1298 | |
| 1299 if (fm->ascent < (int) fi->ascent) fm->ascent = (int) fi->ascent; | |
| 1300 if (fm->descent < (int) fi->descent) fm->descent = (int) fi->descent; | |
| 1301 fm->height = fm->ascent + fm->descent; | |
| 1302 if (fi->proportional_p) | |
| 1303 fm->proportional_p = 1; | |
| 1304 if (EQ (charset, Vcharset_ascii)) | |
| 1305 fm->width = fi->width; | |
| 1306 } | |
| 1307 } | |
| 1308 } | |
| 1309 | |
| 1310 #define FROB(field) \ | |
| 1311 do { \ | |
| 1312 Lisp_Object new_val = \ | |
| 1313 FACE_PROPERTY_INSTANCE (face, Q##field, domain, 1, Qzero); \ | |
| 1314 int bound = 1; \ | |
| 1315 if (UNBOUNDP (new_val)) \ | |
| 1316 { \ | |
| 1317 bound = 0; \ | |
| 1318 new_val = FACE_PROPERTY_INSTANCE (face, Q##field, domain, 0, Qzero); \ | |
| 1319 } \ | |
| 1320 if (!EQ (new_val, cachel->field)) \ | |
| 1321 { \ | |
| 1322 cachel->field = new_val; \ | |
| 1323 cachel->dirty = 1; \ | |
| 1324 } \ | |
| 1325 cachel->field##_specified = (bound || default_face); \ | |
| 1326 } while (0) | |
| 1327 | |
| 446 | 1328 /* |
| 1329 * A face's background pixmap will override the face's | |
| 1330 * background color. But the background pixmap of the | |
| 1331 * default face should not override the background color of | |
| 1332 * a face if the background color has been specified or | |
| 1333 * inherited. | |
| 1334 * | |
| 1335 * To accomplish this we remove the background pixmap of the | |
| 1336 * cachel and mark it as having been specified so that cachel | |
| 1337 * merging won't override it later. | |
| 1338 */ | |
| 1339 #define MAYBE_UNFROB_BACKGROUND_PIXMAP \ | |
| 1340 do \ | |
| 1341 { \ | |
| 1342 if (! default_face \ | |
| 1343 && cachel->background_specified \ | |
| 1344 && ! cachel->background_pixmap_specified) \ | |
| 1345 { \ | |
| 1346 cachel->background_pixmap = Qunbound; \ | |
| 1347 cachel->background_pixmap_specified = 1; \ | |
| 1348 } \ | |
| 1349 } while (0) | |
| 1350 | |
| 1351 | |
| 1352 /* Add a cachel for the given face to the given window's cache. */ | |
| 1353 | |
| 1354 static void | |
| 1355 add_face_cachel (struct window *w, Lisp_Object face) | |
| 1356 { | |
| 1357 int must_finish_frobbing = ! WINDOW_FACE_CACHEL (w, DEFAULT_INDEX); | |
| 1358 struct face_cachel new_cachel; | |
| 1359 Lisp_Object domain; | |
| 1360 | |
| 1361 reset_face_cachel (&new_cachel); | |
| 793 | 1362 domain = wrap_window (w); |
| 446 | 1363 update_face_cachel_data (&new_cachel, domain, face); |
| 1364 Dynarr_add (w->face_cachels, new_cachel); | |
| 1365 | |
| 1366 /* The face's background pixmap have not yet been frobbed (see comment | |
|
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|
1367 in update_face_cachel_data), so we have to do it now */ |
| 446 | 1368 if (must_finish_frobbing) |
| 1369 { | |
| 1370 int default_face = EQ (face, Vdefault_face); | |
|
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1371 struct face_cachel *cachel = Dynarr_lastp (w->face_cachels); |
| 446 | 1372 |
| 1373 FROB (background_pixmap); | |
| 1374 MAYBE_UNFROB_BACKGROUND_PIXMAP; | |
| 1375 } | |
| 1376 } | |
| 1377 | |
| 1378 /* Called when the updated flag has been cleared on a cachel. | |
| 1379 This function returns 1 if the caller must finish the update (see comment | |
| 1380 below), 0 otherwise. | |
| 1381 */ | |
| 1382 | |
| 1383 void | |
| 1384 update_face_cachel_data (struct face_cachel *cachel, | |
| 1385 Lisp_Object domain, | |
| 1386 Lisp_Object face) | |
| 1387 { | |
| 1388 if (XFACE (face)->dirty || UNBOUNDP (cachel->face)) | |
| 1389 { | |
| 1390 int default_face = EQ (face, Vdefault_face); | |
| 1391 cachel->face = face; | |
| 1392 | |
| 1393 /* We normally only set the _specified flags if the value was | |
| 4187 | 1394 actually bound. The exception is for the default face where |
| 1395 we always set it since it is the ultimate fallback. */ | |
| 446 | 1396 |
| 428 | 1397 FROB (foreground); |
| 1398 FROB (background); | |
| 1399 FROB (display_table); | |
| 446 | 1400 |
| 1401 /* #### WARNING: the background pixmap property of faces is currently | |
| 1402 the only one dealing with images. The problem we have here is that | |
| 1403 frobbing the background pixmap might lead to image instantiation | |
| 1404 which in turn might require that the cache we're building be up to | |
| 1405 date, hence a crash. Here's a typical scenario of this: | |
| 1406 | |
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diff
changeset
|
1407 - a new window is created and its face cache elements are |
| 446 | 1408 initialized through a call to reset_face_cachels[1]. At that point, |
| 1409 the cache for the default and modeline faces (normaly taken care of | |
| 1410 by redisplay itself) are null. | |
| 1411 - the default face has a background pixmap which needs to be | |
| 1412 instantiated right here, as a consequence of cache initialization. | |
| 1413 - the background pixmap image happens to be instantiated as a string | |
| 1414 (this happens on tty's for instance). | |
| 1415 - In order to do this, we need to compute the string geometry. | |
| 1416 - In order to do this, we might have to access the window's default | |
| 1417 face cache. But this is the cache we're building right now, it is | |
| 1418 null. | |
| 1419 - BARF !!!!! | |
| 428 | 1420 |
| 446 | 1421 To sum up, this means that it is in general unsafe to instantiate |
| 1422 images before face cache updating is complete (appart from image | |
| 1423 related face attributes). The solution we use below is to actually | |
| 1424 detect whether we're building the window's face_cachels for the first | |
| 1425 time, and simply NOT frob the background pixmap in that case. If | |
| 1426 other image-related face attributes are ever implemented, they should | |
| 1427 be protected the same way right here. | |
| 1428 | |
| 1429 One note: | |
| 1430 * See comment in `default_face_font_info' in face.c. Who wrote it ? | |
| 1431 Maybe we have the begining of an answer here ? | |
| 1432 | |
| 1433 Footnotes: | |
| 1434 [1] See comment at the top of `allocate_window' in window.c. | |
| 1435 | |
| 1436 -- didier | |
| 1437 */ | |
| 1438 if (! WINDOWP (domain) | |
| 1439 || WINDOW_FACE_CACHEL (DOMAIN_XWINDOW (domain), DEFAULT_INDEX)) | |
| 428 | 1440 { |
| 446 | 1441 FROB (background_pixmap); |
| 1442 MAYBE_UNFROB_BACKGROUND_PIXMAP; | |
| 428 | 1443 } |
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1444 |
|
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parents:
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diff
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|
1445 FROB (background_placement); |
|
5502045ec510
The background-placement face property.
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1446 |
| 428 | 1447 #undef FROB |
| 446 | 1448 #undef MAYBE_UNFROB_BACKGROUND_PIXMAP |
| 428 | 1449 |
| 1450 ensure_face_cachel_contains_charset (cachel, domain, Vcharset_ascii); | |
| 1451 | |
| 1452 #define FROB(field) \ | |
| 1453 do { \ | |
| 1454 Lisp_Object new_val = \ | |
| 1455 FACE_PROPERTY_INSTANCE (face, Q##field, domain, 1, Qzero); \ | |
| 1456 int bound = 1; \ | |
| 1457 unsigned int new_val_int; \ | |
| 1458 if (UNBOUNDP (new_val)) \ | |
| 1459 { \ | |
| 1460 bound = 0; \ | |
| 1461 new_val = FACE_PROPERTY_INSTANCE (face, Q##field, domain, 0, Qzero); \ | |
| 1462 } \ | |
| 1463 new_val_int = EQ (new_val, Qt); \ | |
| 1464 if (cachel->field != new_val_int) \ | |
| 1465 { \ | |
| 1466 cachel->field = new_val_int; \ | |
| 1467 cachel->dirty = 1; \ | |
| 1468 } \ | |
| 1469 cachel->field##_specified = bound; \ | |
| 1470 } while (0) | |
| 1471 | |
| 1472 FROB (underline); | |
| 1473 FROB (strikethru); | |
| 1474 FROB (highlight); | |
| 1475 FROB (dim); | |
| 1476 FROB (reverse); | |
| 1477 FROB (blinking); | |
| 1478 #undef FROB | |
| 1479 } | |
| 1480 | |
| 1481 cachel->updated = 1; | |
| 1482 } | |
| 1483 | |
| 1484 /* Merge the cachel identified by FINDEX in window W into the given | |
| 1485 cachel. */ | |
| 1486 | |
| 1487 static void | |
| 1488 merge_face_cachel_data (struct window *w, face_index findex, | |
| 1489 struct face_cachel *cachel) | |
| 1490 { | |
| 3659 | 1491 int offs; |
| 1492 | |
| 428 | 1493 #define FINDEX_FIELD(field) \ |
| 1494 Dynarr_atp (w->face_cachels, findex)->field | |
| 1495 | |
| 1496 #define FROB(field) \ | |
| 1497 do { \ | |
| 1498 if (!cachel->field##_specified && FINDEX_FIELD (field##_specified)) \ | |
| 1499 { \ | |
| 1500 cachel->field = FINDEX_FIELD (field); \ | |
| 1501 cachel->field##_specified = 1; \ | |
| 1502 cachel->dirty = 1; \ | |
| 1503 } \ | |
| 1504 } while (0) | |
| 1505 | |
| 1506 FROB (foreground); | |
| 1507 FROB (background); | |
| 1508 FROB (display_table); | |
| 1509 FROB (background_pixmap); | |
|
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The background-placement face property.
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parents:
5047
diff
changeset
|
1510 FROB (background_placement); |
| 428 | 1511 FROB (underline); |
| 1512 FROB (strikethru); | |
| 1513 FROB (highlight); | |
| 1514 FROB (dim); | |
| 1515 FROB (reverse); | |
| 1516 FROB (blinking); | |
| 1517 | |
| 3659 | 1518 for (offs = 0; offs < NUM_LEADING_BYTES; ++offs) |
| 1519 { | |
| 1520 if (!(bit_vector_bit(FACE_CACHEL_FONT_SPECIFIED(cachel), offs)) | |
| 1521 && bit_vector_bit(FACE_CACHEL_FONT_SPECIFIED | |
| 1522 (Dynarr_atp(w->face_cachels, findex)), offs)) | |
| 1523 { | |
| 1524 cachel->font[offs] = FINDEX_FIELD (font[offs]); | |
| 1525 set_bit_vector_bit(FACE_CACHEL_FONT_SPECIFIED(cachel), offs, 1); | |
| 1526 /* Also propagate whether we're translating to Unicode for the | |
| 1527 given face. */ | |
| 4187 | 1528 set_bit_vector_bit(FACE_CACHEL_FONT_FINAL_STAGE(cachel), offs, |
| 3659 | 1529 bit_vector_bit(FACE_CACHEL_FONT_FINAL_STAGE |
| 1530 (Dynarr_atp(w->face_cachels, | |
| 1531 findex)), offs)); | |
| 1532 cachel->dirty = 1; | |
| 1533 } | |
| 1534 } | |
| 428 | 1535 #undef FROB |
| 1536 #undef FINDEX_FIELD | |
| 1537 | |
| 1538 cachel->updated = 1; | |
| 1539 } | |
| 1540 | |
| 1541 /* Initialize a cachel. */ | |
| 3094 | 1542 /* #### Xft: this function will need to be changed for new font model. */ |
| 428 | 1543 |
| 1544 void | |
| 1545 reset_face_cachel (struct face_cachel *cachel) | |
| 1546 { | |
| 1547 xzero (*cachel); | |
| 1548 cachel->face = Qunbound; | |
| 1549 cachel->nfaces = 0; | |
| 1550 cachel->merged_faces = 0; | |
| 1551 cachel->foreground = Qunbound; | |
| 1552 cachel->background = Qunbound; | |
| 1553 { | |
| 1554 int i; | |
| 1555 | |
| 1556 for (i = 0; i < NUM_LEADING_BYTES; i++) | |
| 1557 cachel->font[i] = Qunbound; | |
| 1558 } | |
| 1559 cachel->display_table = Qunbound; | |
| 1560 cachel->background_pixmap = Qunbound; | |
|
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1561 cachel->background_placement = Qunbound; |
| 3659 | 1562 FACE_CACHEL_FONT_SPECIFIED (cachel)->size = sizeof(cachel->font_specified); |
| 1563 FACE_CACHEL_FONT_UPDATED (cachel)->size = sizeof(cachel->font_updated); | |
| 428 | 1564 } |
| 1565 | |
| 1566 /* Retrieve the index to a cachel for window W that corresponds to | |
| 1567 the specified face. If necessary, add a new element to the | |
| 1568 cache. */ | |
| 1569 | |
| 1570 face_index | |
| 1571 get_builtin_face_cache_index (struct window *w, Lisp_Object face) | |
| 1572 { | |
| 1573 int elt; | |
| 1574 | |
| 1575 if (noninteractive) | |
| 1576 return 0; | |
| 1577 | |
| 1578 for (elt = 0; elt < Dynarr_length (w->face_cachels); elt++) | |
| 1579 { | |
| 1580 struct face_cachel *cachel = WINDOW_FACE_CACHEL (w, elt); | |
| 1581 | |
| 1582 if (EQ (cachel->face, face)) | |
| 1583 { | |
| 793 | 1584 Lisp_Object window = wrap_window (w); |
| 1585 | |
| 428 | 1586 if (!cachel->updated) |
| 1587 update_face_cachel_data (cachel, window, face); | |
| 1588 return elt; | |
| 1589 } | |
| 1590 } | |
| 1591 | |
| 1592 /* If we didn't find the face, add it and then return its index. */ | |
| 1593 add_face_cachel (w, face); | |
| 1594 return elt; | |
| 1595 } | |
| 1596 | |
| 1597 void | |
| 1598 reset_face_cachels (struct window *w) | |
| 1599 { | |
| 1600 /* #### Not initialized in batch mode for the stream device. */ | |
| 1601 if (w->face_cachels) | |
| 1602 { | |
| 1603 int i; | |
| 4208 | 1604 face_index fi; |
| 428 | 1605 |
| 1606 for (i = 0; i < Dynarr_length (w->face_cachels); i++) | |
| 1607 { | |
| 1608 struct face_cachel *cachel = Dynarr_atp (w->face_cachels, i); | |
| 1609 if (cachel->merged_faces) | |
| 1610 Dynarr_free (cachel->merged_faces); | |
| 1611 } | |
| 1612 Dynarr_reset (w->face_cachels); | |
| 4187 | 1613 /* #### NOTE: be careful with the order ! |
| 1614 The cpp macros DEFAULT_INDEX and MODELINE_INDEX defined in | |
| 4208 | 1615 redisplay.h depend on the code below. Please make sure to assert the |
| 1616 correct values if you ever add new built-in faces here. | |
| 4187 | 1617 -- dvl */ |
| 4208 | 1618 fi = get_builtin_face_cache_index (w, Vdefault_face); |
| 4210 | 1619 assert (noninteractive || fi == DEFAULT_INDEX); |
| 4208 | 1620 fi = get_builtin_face_cache_index (w, Vmodeline_face); |
| 4210 | 1621 assert (noninteractive || fi == MODELINE_INDEX); |
| 428 | 1622 XFRAME (w->frame)->window_face_cache_reset = 1; |
| 1623 } | |
| 1624 } | |
| 1625 | |
| 1626 void | |
| 1627 mark_face_cachels_as_clean (struct window *w) | |
| 1628 { | |
| 1629 int elt; | |
| 1630 | |
| 1631 for (elt = 0; elt < Dynarr_length (w->face_cachels); elt++) | |
| 1632 Dynarr_atp (w->face_cachels, elt)->dirty = 0; | |
| 1633 } | |
| 1634 | |
| 3094 | 1635 /* #### Xft: this function will need to be changed for new font model. */ |
| 428 | 1636 void |
| 1637 mark_face_cachels_as_not_updated (struct window *w) | |
| 1638 { | |
| 1639 int elt; | |
| 1640 | |
| 1641 for (elt = 0; elt < Dynarr_length (w->face_cachels); elt++) | |
| 1642 { | |
| 1643 struct face_cachel *cachel = Dynarr_atp (w->face_cachels, elt); | |
| 1644 | |
| 1645 cachel->updated = 0; | |
| 4187 | 1646 memset(FACE_CACHEL_FONT_UPDATED(cachel)->bits, 0, |
| 3659 | 1647 BIT_VECTOR_LONG_STORAGE (NUM_LEADING_BYTES)); |
| 428 | 1648 } |
| 1649 } | |
| 1650 | |
| 1651 #ifdef MEMORY_USAGE_STATS | |
| 1652 | |
| 1653 int | |
| 1654 compute_face_cachel_usage (face_cachel_dynarr *face_cachels, | |
| 1655 struct overhead_stats *ovstats) | |
| 1656 { | |
| 1657 int total = 0; | |
| 1658 | |
| 1659 if (face_cachels) | |
| 1660 { | |
| 1661 int i; | |
| 1662 | |
| 1663 total += Dynarr_memory_usage (face_cachels, ovstats); | |
| 1664 for (i = 0; i < Dynarr_length (face_cachels); i++) | |
| 1665 { | |
| 1666 int_dynarr *merged = Dynarr_at (face_cachels, i).merged_faces; | |
| 1667 if (merged) | |
| 1668 total += Dynarr_memory_usage (merged, ovstats); | |
| 1669 } | |
| 1670 } | |
| 1671 | |
| 1672 return total; | |
| 1673 } | |
| 1674 | |
| 1675 #endif /* MEMORY_USAGE_STATS */ | |
| 1676 | |
| 1677 | |
| 1678 /***************************************************************************** | |
| 1679 * merged face functions * | |
| 1680 *****************************************************************************/ | |
| 1681 | |
| 1682 /* Compare two merged face cachels to determine whether we have to add | |
| 1683 a new entry to the face cache. | |
| 1684 | |
| 1685 Note that we do not compare the attributes, but just the faces the | |
| 1686 cachels are based on. If they are the same, then the cachels certainly | |
| 1687 ought to have the same attributes, except in the case where fonts | |
| 1688 for different charsets have been determined in the two -- and in that | |
| 1689 case this difference is fine. */ | |
| 1690 | |
| 1691 static int | |
| 1692 compare_merged_face_cachels (struct face_cachel *cachel1, | |
| 1693 struct face_cachel *cachel2) | |
| 1694 { | |
| 1695 int i; | |
| 1696 | |
| 1697 if (!EQ (cachel1->face, cachel2->face) | |
| 1698 || cachel1->nfaces != cachel2->nfaces) | |
| 1699 return 0; | |
| 1700 | |
| 1701 for (i = 0; i < cachel1->nfaces; i++) | |
| 1702 if (FACE_CACHEL_FINDEX_UNSAFE (cachel1, i) | |
| 1703 != FACE_CACHEL_FINDEX_UNSAFE (cachel2, i)) | |
| 1704 return 0; | |
| 1705 | |
| 1706 return 1; | |
| 1707 } | |
| 1708 | |
| 1709 /* Retrieve the index to a cachel for window W that corresponds to | |
| 1710 the specified cachel. If necessary, add a new element to the | |
| 1711 cache. This is similar to get_builtin_face_cache_index() but | |
| 1712 is intended for merged cachels rather than for cachels representing | |
| 1713 just a face. | |
| 1714 | |
| 1715 Note that a merged cachel for just one face is not the same as | |
| 1716 the simple cachel for that face, because it is also merged with | |
| 1717 the default face. */ | |
| 1718 | |
| 1719 static face_index | |
| 1720 get_merged_face_cache_index (struct window *w, | |
| 1721 struct face_cachel *merged_cachel) | |
| 1722 { | |
| 1723 int elt; | |
| 1724 int cache_size = Dynarr_length (w->face_cachels); | |
| 1725 | |
| 1726 for (elt = 0; elt < cache_size; elt++) | |
| 1727 { | |
| 1728 struct face_cachel *cachel = | |
| 1729 Dynarr_atp (w->face_cachels, elt); | |
| 1730 | |
| 1731 if (compare_merged_face_cachels (cachel, merged_cachel)) | |
| 1732 return elt; | |
| 1733 } | |
| 1734 | |
| 1735 /* We didn't find it so add this instance to the cache. */ | |
| 1736 merged_cachel->updated = 1; | |
| 1737 merged_cachel->dirty = 1; | |
| 1738 Dynarr_add (w->face_cachels, *merged_cachel); | |
| 1739 return cache_size; | |
| 1740 } | |
| 1741 | |
| 1742 face_index | |
| 1743 get_extent_fragment_face_cache_index (struct window *w, | |
| 1744 struct extent_fragment *ef) | |
| 1745 { | |
| 1746 struct face_cachel cachel; | |
| 1747 int len = Dynarr_length (ef->extents); | |
| 1748 face_index findex = 0; | |
| 1749 | |
| 1750 /* Optimize the default case. */ | |
| 1751 if (len == 0) | |
| 1752 return DEFAULT_INDEX; | |
| 1753 else | |
| 1754 { | |
| 1755 int i; | |
| 1756 | |
| 1757 /* Merge the faces of the extents together in order. */ | |
| 1758 | |
| 1759 reset_face_cachel (&cachel); | |
| 1760 | |
| 1761 for (i = len - 1; i >= 0; i--) | |
| 1762 { | |
| 1763 EXTENT current = Dynarr_at (ef->extents, i); | |
| 1764 int has_findex = 0; | |
| 1765 Lisp_Object face = extent_face (current); | |
| 1766 | |
| 1767 if (FACEP (face)) | |
| 1768 { | |
| 1769 findex = get_builtin_face_cache_index (w, face); | |
| 1770 has_findex = 1; | |
| 1771 merge_face_cachel_data (w, findex, &cachel); | |
| 1772 } | |
| 1773 /* remember, we're called from within redisplay | |
| 1774 so we can't error. */ | |
| 1775 else while (CONSP (face)) | |
| 1776 { | |
| 1777 Lisp_Object one_face = XCAR (face); | |
| 1778 if (FACEP (one_face)) | |
| 1779 { | |
| 1780 findex = get_builtin_face_cache_index (w, one_face); | |
| 1781 merge_face_cachel_data (w, findex, &cachel); | |
| 1782 | |
| 1783 /* code duplication here but there's no clean | |
| 1784 way to avoid it. */ | |
| 1785 if (cachel.nfaces >= NUM_STATIC_CACHEL_FACES) | |
| 1786 { | |
| 1787 if (!cachel.merged_faces) | |
| 1788 cachel.merged_faces = Dynarr_new (int); | |
| 1789 Dynarr_add (cachel.merged_faces, findex); | |
| 1790 } | |
| 1791 else | |
| 1792 cachel.merged_faces_static[cachel.nfaces] = findex; | |
| 1793 cachel.nfaces++; | |
| 1794 } | |
| 1795 face = XCDR (face); | |
| 1796 } | |
| 1797 | |
| 1798 if (has_findex) | |
| 1799 { | |
| 1800 if (cachel.nfaces >= NUM_STATIC_CACHEL_FACES) | |
| 1801 { | |
| 1802 if (!cachel.merged_faces) | |
| 1803 cachel.merged_faces = Dynarr_new (int); | |
| 1804 Dynarr_add (cachel.merged_faces, findex); | |
| 1805 } | |
| 1806 else | |
| 1807 cachel.merged_faces_static[cachel.nfaces] = findex; | |
| 1808 cachel.nfaces++; | |
| 1809 } | |
| 1810 } | |
| 1811 | |
| 1812 /* Now finally merge in the default face. */ | |
| 1813 findex = get_builtin_face_cache_index (w, Vdefault_face); | |
| 1814 merge_face_cachel_data (w, findex, &cachel); | |
| 1815 | |
| 444 | 1816 findex = get_merged_face_cache_index (w, &cachel); |
| 1817 if (cachel.merged_faces && | |
| 1818 /* merged_faces did not get stored and available via return value */ | |
| 1819 Dynarr_at (w->face_cachels, findex).merged_faces != | |
| 1820 cachel.merged_faces) | |
| 1821 { | |
| 1822 Dynarr_free (cachel.merged_faces); | |
| 1823 cachel.merged_faces = 0; | |
| 1824 } | |
| 1825 return findex; | |
| 428 | 1826 } |
| 1827 } | |
| 1828 | |
| 3094 | 1829 /* Return a cache index for window W from merging the faces in FACE_LIST. |
| 1830 COUNT is the number of faces in the list. | |
| 1831 | |
| 1832 The default face should not be included in the list, as it is always | |
| 1833 implicitly merged into the cachel. | |
| 1834 | |
| 1835 WARNING: this interface may change. */ | |
| 1836 | |
| 1837 face_index | |
| 1838 merge_face_list_to_cache_index (struct window *w, | |
| 1839 Lisp_Object *face_list, int count) | |
| 1840 { | |
| 1841 int i; | |
| 1842 face_index findex = 0; | |
| 1843 struct face_cachel cachel; | |
| 1844 | |
| 1845 reset_face_cachel (&cachel); | |
| 1846 | |
| 1847 for (i = 0; i < count; i++) | |
| 1848 { | |
| 1849 Lisp_Object face = face_list[i]; | |
| 1850 | |
| 1851 if (!NILP (face)) | |
| 1852 { | |
| 1853 CHECK_FACE(face); /* #### presumably unnecessary */ | |
| 1854 findex = get_builtin_face_cache_index (w, face); | |
| 1855 merge_face_cachel_data (w, findex, &cachel); | |
| 1856 } | |
| 1857 } | |
| 1858 | |
| 1859 /* Now finally merge in the default face. */ | |
| 1860 findex = get_builtin_face_cache_index (w, Vdefault_face); | |
| 1861 merge_face_cachel_data (w, findex, &cachel); | |
| 1862 | |
| 1863 return get_merged_face_cache_index (w, &cachel); | |
| 1864 } | |
| 1865 | |
| 428 | 1866 |
| 1867 /***************************************************************************** | |
| 1868 interface functions | |
| 1869 ****************************************************************************/ | |
| 1870 | |
| 1871 static void | |
| 1872 update_EmacsFrame (Lisp_Object frame, Lisp_Object name) | |
| 1873 { | |
| 1874 struct frame *frm = XFRAME (frame); | |
| 1875 | |
| 3676 | 1876 if (!FRAME_LIVE_P(frm)) |
| 1877 return; | |
| 1878 | |
| 428 | 1879 if (EQ (name, Qfont)) |
| 1880 MARK_FRAME_SIZE_SLIPPED (frm); | |
| 1881 | |
| 1882 MAYBE_FRAMEMETH (frm, update_frame_external_traits, (frm, name)); | |
| 1883 } | |
| 1884 | |
| 1885 static void | |
| 1886 update_EmacsFrames (Lisp_Object locale, Lisp_Object name) | |
| 1887 { | |
| 1888 if (FRAMEP (locale)) | |
| 1889 { | |
| 1890 update_EmacsFrame (locale, name); | |
| 1891 } | |
| 1892 else if (DEVICEP (locale)) | |
| 1893 { | |
| 1894 Lisp_Object frmcons; | |
| 1895 | |
| 1896 DEVICE_FRAME_LOOP (frmcons, XDEVICE (locale)) | |
| 1897 update_EmacsFrame (XCAR (frmcons), name); | |
| 1898 } | |
| 1899 else if (EQ (locale, Qglobal) || EQ (locale, Qfallback)) | |
| 1900 { | |
| 1901 Lisp_Object frmcons, devcons, concons; | |
| 1902 | |
| 1903 FRAME_LOOP_NO_BREAK (frmcons, devcons, concons) | |
| 1904 update_EmacsFrame (XCAR (frmcons), name); | |
| 1905 } | |
| 1906 } | |
| 1907 | |
| 1908 void | |
| 1909 update_frame_face_values (struct frame *f) | |
| 1910 { | |
| 793 | 1911 Lisp_Object frm = wrap_frame (f); |
| 428 | 1912 |
| 1913 update_EmacsFrame (frm, Qforeground); | |
| 1914 update_EmacsFrame (frm, Qbackground); | |
| 1915 update_EmacsFrame (frm, Qfont); | |
| 1916 } | |
| 1917 | |
| 1918 void | |
| 1919 face_property_was_changed (Lisp_Object face, Lisp_Object property, | |
| 1920 Lisp_Object locale) | |
| 1921 { | |
| 1922 int default_face = EQ (face, Vdefault_face); | |
| 1923 | |
| 1924 /* If the locale could affect the frame value, then call | |
| 1925 update_EmacsFrames just in case. */ | |
| 1926 if (default_face && | |
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1927 (EQ (property, Qforeground) || |
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1928 EQ (property, Qbackground) || |
| 428 | 1929 EQ (property, Qfont))) |
| 1930 update_EmacsFrames (locale, property); | |
| 1931 | |
| 1932 if (WINDOWP (locale)) | |
| 1933 { | |
| 1934 MARK_FRAME_FACES_CHANGED (XFRAME (XWINDOW (locale)->frame)); | |
| 1935 } | |
| 1936 else if (FRAMEP (locale)) | |
| 1937 { | |
| 1938 MARK_FRAME_FACES_CHANGED (XFRAME (locale)); | |
| 1939 } | |
| 1940 else if (DEVICEP (locale)) | |
| 1941 { | |
| 1942 MARK_DEVICE_FRAMES_FACES_CHANGED (XDEVICE (locale)); | |
| 1943 } | |
| 1944 else | |
| 1945 { | |
| 1946 Lisp_Object devcons, concons; | |
| 1947 DEVICE_LOOP_NO_BREAK (devcons, concons) | |
| 1948 MARK_DEVICE_FRAMES_FACES_CHANGED (XDEVICE (XCAR (devcons))); | |
| 1949 } | |
| 1950 | |
| 1951 /* | |
| 1952 * This call to update_faces_inheritance isn't needed and makes | |
| 1953 * creating and modifying faces _very_ slow. The point of | |
| 1954 * update_face_inheritances is to find all faces that inherit | |
| 1955 * directly from this face property and set the specifier "dirty" | |
| 1956 * flag on the corresponding specifier. This forces recaching of | |
| 1957 * cached specifier values in frame and window struct slots. But | |
| 1958 * currently no face properties are cached in frame and window | |
| 1959 * struct slots, so calling this function does nothing useful! | |
| 1960 * | |
| 1961 * Further, since update_faces_inheritance maps over the whole | |
| 1962 * face table every time it is called, it gets terribly slow when | |
| 1963 * there are many faces. Creating 500 faces on a 50Mhz 486 took | |
| 1964 * 433 seconds when update_faces_inheritance was called. With the | |
| 1965 * call commented out, creating those same 500 faces took 0.72 | |
| 1966 * seconds. | |
| 1967 */ | |
| 1968 /* update_faces_inheritance (face, property);*/ | |
| 1969 XFACE (face)->dirty = 1; | |
| 1970 } | |
| 1971 | |
| 1972 DEFUN ("copy-face", Fcopy_face, 2, 6, 0, /* | |
| 1973 Define and return a new face which is a copy of an existing one, | |
| 1974 or makes an already-existing face be exactly like another. | |
| 1975 LOCALE, TAG-SET, EXACT-P, and HOW-TO-ADD are as in `copy-specifier'. | |
| 1976 */ | |
| 1977 (old_face, new_name, locale, tag_set, exact_p, how_to_add)) | |
| 1978 { | |
| 440 | 1979 Lisp_Face *fold, *fnew; |
| 428 | 1980 Lisp_Object new_face = Qnil; |
| 1981 struct gcpro gcpro1, gcpro2, gcpro3, gcpro4; | |
| 1982 | |
| 1983 old_face = Fget_face (old_face); | |
| 1984 | |
| 1985 /* We GCPRO old_face because it might be temporary, and GCing could | |
| 1986 occur in various places below. */ | |
| 1987 GCPRO4 (tag_set, locale, old_face, new_face); | |
| 1988 /* check validity of how_to_add now. */ | |
| 1989 decode_how_to_add_specification (how_to_add); | |
| 1990 /* and of tag_set. */ | |
| 1991 tag_set = decode_specifier_tag_set (tag_set); | |
| 1992 /* and of locale. */ | |
| 1993 locale = decode_locale_list (locale); | |
| 1994 | |
| 1995 new_face = Ffind_face (new_name); | |
| 1996 if (NILP (new_face)) | |
| 1997 { | |
| 1998 Lisp_Object temp; | |
| 1999 | |
| 2000 CHECK_SYMBOL (new_name); | |
| 2001 | |
| 2002 /* Create the new face with the same status as the old face. */ | |
| 2003 temp = (NILP (Fgethash (old_face, Vtemporary_faces_cache, Qnil)) | |
| 2004 ? Qnil | |
| 2005 : Qt); | |
| 2006 | |
| 2007 new_face = Fmake_face (new_name, Qnil, temp); | |
| 2008 } | |
| 2009 | |
| 2010 fold = XFACE (old_face); | |
| 2011 fnew = XFACE (new_face); | |
| 2012 | |
| 2013 #define COPY_PROPERTY(property) \ | |
| 2014 Fcopy_specifier (fold->property, fnew->property, \ | |
| 4187 | 2015 locale, tag_set, exact_p, how_to_add); |
| 428 | 2016 |
| 2017 COPY_PROPERTY (foreground); | |
| 2018 COPY_PROPERTY (background); | |
| 2019 COPY_PROPERTY (font); | |
| 2020 COPY_PROPERTY (display_table); | |
| 2021 COPY_PROPERTY (background_pixmap); | |
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2022 COPY_PROPERTY (background_placement); |
| 428 | 2023 COPY_PROPERTY (underline); |
| 2024 COPY_PROPERTY (strikethru); | |
| 2025 COPY_PROPERTY (highlight); | |
| 2026 COPY_PROPERTY (dim); | |
| 2027 COPY_PROPERTY (blinking); | |
| 2028 COPY_PROPERTY (reverse); | |
| 2029 #undef COPY_PROPERTY | |
| 2030 /* #### should it copy the individual specifiers, if they exist? */ | |
| 2031 fnew->plist = Fcopy_sequence (fold->plist); | |
| 2032 | |
| 2033 UNGCPRO; | |
| 2034 | |
| 2035 return new_name; | |
| 2036 } | |
| 2037 | |
| 3659 | 2038 #ifdef MULE |
| 2039 | |
| 3918 | 2040 Lisp_Object Qone_dimensional, Qtwo_dimensional, Qx_coverage_instantiator; |
| 3659 | 2041 |
| 4187 | 2042 DEFUN ("specifier-tag-one-dimensional-p", |
| 2043 Fspecifier_tag_one_dimensional_p, | |
|
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2044 1, 1, 0, /* |
| 3659 | 2045 Return non-nil if (charset-dimension CHARSET) is 1. |
| 2046 | |
| 2047 Used by the X11 platform font code; see `define-specifier-tag'. You | |
| 2048 shouldn't ever need to call this yourself. | |
| 2049 */ | |
|
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2050 (charset)) |
| 3659 | 2051 { |
|
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2052 CHECK_CHARSET (charset); |
|
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2053 return (1 == XCHARSET_DIMENSION (charset)) ? Qt : Qnil; |
| 3659 | 2054 } |
| 2055 | |
| 4187 | 2056 DEFUN ("specifier-tag-two-dimensional-p", |
| 2057 Fspecifier_tag_two_dimensional_p, | |
|
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2058 1, 1, 0, /* |
| 3659 | 2059 Return non-nil if (charset-dimension CHARSET) is 2. |
| 2060 | |
| 2061 Used by the X11 platform font code; see `define-specifier-tag'. You | |
| 2062 shouldn't ever need to call this yourself. | |
| 2063 */ | |
|
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2064 (charset)) |
| 3659 | 2065 { |
|
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2066 CHECK_CHARSET (charset); |
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2067 return (2 == XCHARSET_DIMENSION (charset)) ? Qt : Qnil; |
| 3659 | 2068 } |
| 2069 | |
| 4187 | 2070 DEFUN ("specifier-tag-final-stage-p", |
| 2071 Fspecifier_tag_final_stage_p, | |
| 3659 | 2072 2, 2, 0, /* |
| 2073 Return non-nil if STAGE is 'final. | |
| 2074 | |
| 2075 Used by the X11 platform font code for giving fallbacks; see | |
| 4187 | 2076 `define-specifier-tag'. You shouldn't ever need to call this. |
| 3659 | 2077 */ |
|
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2078 (UNUSED (charset), stage)) |
| 3659 | 2079 { |
|
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2080 return EQ (stage, Qfinal) ? Qt : Qnil; |
| 3659 | 2081 } |
| 2082 | |
| 4187 | 2083 DEFUN ("specifier-tag-initial-stage-p", |
| 2084 Fspecifier_tag_initial_stage_p, | |
| 3659 | 2085 2, 2, 0, /* |
| 2086 Return non-nil if STAGE is 'initial. | |
| 2087 | |
| 2088 Used by the X11 platform font code for giving fallbacks; see | |
| 4187 | 2089 `define-specifier-tag'. You shouldn't ever need to call this. |
| 3659 | 2090 */ |
| 2091 (UNUSED(charset), stage)) | |
| 2092 { | |
| 2093 return EQ(stage, Qinitial) ? Qt : Qnil; | |
| 2094 } | |
| 2095 | |
| 4187 | 2096 DEFUN ("specifier-tag-encode-as-utf-8-p", |
| 2097 Fspecifier_tag_encode_as_utf_8_p, | |
| 3659 | 2098 2, 2, 0, /* |
| 2099 Return t if and only if (charset-property CHARSET 'encode-as-utf-8)). | |
| 2100 | |
| 2101 Used by the X11 platform font code; see `define-specifier-tag'. You | |
| 2102 shouldn't ever need to call this. | |
| 2103 */ | |
| 2104 (charset, UNUSED(stage))) | |
| 2105 { | |
| 2106 /* Used to check that the stage was initial too. */ | |
| 2107 CHECK_CHARSET(charset); | |
| 2108 return XCHARSET_ENCODE_AS_UTF_8(charset) ? Qt : Qnil; | |
| 2109 } | |
| 2110 | |
| 2111 #endif /* MULE */ | |
| 2112 | |
| 428 | 2113 |
| 2114 void | |
| 2115 syms_of_faces (void) | |
| 2116 { | |
|
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2117 INIT_LISP_OBJECT (face); |
| 442 | 2118 |
| 440 | 2119 /* Qdefault, Qwidget, Qleft_margin, Qright_margin defined in general.c */ |
| 563 | 2120 DEFSYMBOL (Qmodeline); |
| 2121 DEFSYMBOL (Qgui_element); | |
| 2122 DEFSYMBOL (Qtext_cursor); | |
| 2123 DEFSYMBOL (Qvertical_divider); | |
| 428 | 2124 |
| 2125 DEFSUBR (Ffacep); | |
| 2126 DEFSUBR (Ffind_face); | |
| 2127 DEFSUBR (Fget_face); | |
| 2128 DEFSUBR (Fface_name); | |
| 2129 DEFSUBR (Fbuilt_in_face_specifiers); | |
| 2130 DEFSUBR (Fface_list); | |
| 2131 DEFSUBR (Fmake_face); | |
| 2132 DEFSUBR (Fcopy_face); | |
| 2133 | |
| 3659 | 2134 #ifdef MULE |
| 2135 DEFSYMBOL (Qone_dimensional); | |
| 2136 DEFSYMBOL (Qtwo_dimensional); | |
| 3918 | 2137 DEFSYMBOL (Qx_coverage_instantiator); |
| 2138 | |
| 3659 | 2139 /* I would much prefer these were in Lisp. */ |
| 2140 DEFSUBR (Fspecifier_tag_one_dimensional_p); | |
| 2141 DEFSUBR (Fspecifier_tag_two_dimensional_p); | |
| 2142 DEFSUBR (Fspecifier_tag_initial_stage_p); | |
| 2143 DEFSUBR (Fspecifier_tag_final_stage_p); | |
| 2144 DEFSUBR (Fspecifier_tag_encode_as_utf_8_p); | |
| 2145 #endif /* MULE */ | |
| 2146 | |
| 563 | 2147 DEFSYMBOL (Qfacep); |
| 2148 DEFSYMBOL (Qforeground); | |
| 2149 DEFSYMBOL (Qbackground); | |
| 428 | 2150 /* Qfont defined in general.c */ |
| 563 | 2151 DEFSYMBOL (Qdisplay_table); |
| 2152 DEFSYMBOL (Qbackground_pixmap); | |
|
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2153 DEFSYMBOL (Qbackground_placement); |
| 563 | 2154 DEFSYMBOL (Qunderline); |
| 2155 DEFSYMBOL (Qstrikethru); | |
| 428 | 2156 /* Qhighlight, Qreverse defined in general.c */ |
| 563 | 2157 DEFSYMBOL (Qdim); |
| 2158 DEFSYMBOL (Qblinking); | |
| 428 | 2159 |
| 2865 | 2160 DEFSYMBOL (Qface_alias); |
| 2867 | 2161 DEFERROR_STANDARD (Qcyclic_face_alias, Qinvalid_state); |
| 2865 | 2162 |
| 563 | 2163 DEFSYMBOL (Qinit_face_from_resources); |
| 2164 DEFSYMBOL (Qinit_global_faces); | |
| 2165 DEFSYMBOL (Qinit_device_faces); | |
| 2166 DEFSYMBOL (Qinit_frame_faces); | |
| 428 | 2167 } |
| 2168 | |
| 2169 void | |
| 2170 structure_type_create_faces (void) | |
| 2171 { | |
| 2172 struct structure_type *st; | |
| 2173 | |
| 2174 st = define_structure_type (Qface, face_validate, face_instantiate); | |
| 2175 | |
| 2176 define_structure_type_keyword (st, Qname, face_name_validate); | |
| 2177 } | |
| 2178 | |
| 2179 void | |
| 2180 vars_of_faces (void) | |
| 2181 { | |
| 2182 staticpro (&Vpermanent_faces_cache); | |
| 771 | 2183 Vpermanent_faces_cache = |
| 2184 make_lisp_hash_table (10, HASH_TABLE_NON_WEAK, HASH_TABLE_EQ); | |
| 428 | 2185 staticpro (&Vtemporary_faces_cache); |
| 771 | 2186 Vtemporary_faces_cache = |
| 2187 make_lisp_hash_table (0, HASH_TABLE_WEAK, HASH_TABLE_EQ); | |
| 428 | 2188 |
| 2189 staticpro (&Vdefault_face); | |
| 2190 Vdefault_face = Qnil; | |
| 2191 staticpro (&Vgui_element_face); | |
| 2192 Vgui_element_face = Qnil; | |
| 2193 staticpro (&Vwidget_face); | |
| 2194 Vwidget_face = Qnil; | |
| 2195 staticpro (&Vmodeline_face); | |
| 2196 Vmodeline_face = Qnil; | |
| 2197 staticpro (&Vtoolbar_face); | |
| 2198 Vtoolbar_face = Qnil; | |
| 2199 | |
| 2200 staticpro (&Vvertical_divider_face); | |
| 2201 Vvertical_divider_face = Qnil; | |
| 2202 staticpro (&Vleft_margin_face); | |
| 2203 Vleft_margin_face = Qnil; | |
| 2204 staticpro (&Vright_margin_face); | |
| 2205 Vright_margin_face = Qnil; | |
| 2206 staticpro (&Vtext_cursor_face); | |
| 2207 Vtext_cursor_face = Qnil; | |
| 2208 staticpro (&Vpointer_face); | |
| 2209 Vpointer_face = Qnil; | |
| 2210 | |
| 3659 | 2211 #ifdef DEBUG_XEMACS |
| 2212 DEFVAR_INT ("debug-x-faces", &debug_x_faces /* | |
| 2213 If non-zero, display debug information about X faces | |
| 2214 */ ); | |
| 2215 debug_x_faces = 0; | |
| 2216 #endif | |
| 2217 | |
| 428 | 2218 { |
| 2219 Lisp_Object syms[20]; | |
| 2220 int n = 0; | |
| 2221 | |
| 2222 syms[n++] = Qforeground; | |
| 2223 syms[n++] = Qbackground; | |
| 2224 syms[n++] = Qfont; | |
| 2225 syms[n++] = Qdisplay_table; | |
| 2226 syms[n++] = Qbackground_pixmap; | |
|
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2227 syms[n++] = Qbackground_placement; |
| 428 | 2228 syms[n++] = Qunderline; |
| 2229 syms[n++] = Qstrikethru; | |
| 2230 syms[n++] = Qhighlight; | |
| 2231 syms[n++] = Qdim; | |
| 2232 syms[n++] = Qblinking; | |
| 2233 syms[n++] = Qreverse; | |
| 2234 | |
| 2235 Vbuilt_in_face_specifiers = Flist (n, syms); | |
| 2236 staticpro (&Vbuilt_in_face_specifiers); | |
| 2237 } | |
| 2238 } | |
| 2239 | |
| 2240 void | |
| 2241 complex_vars_of_faces (void) | |
| 2242 { | |
| 2243 /* Create the default face now so we know what it is immediately. */ | |
| 2244 | |
| 2245 Vdefault_face = Qnil; /* so that Fmake_face() doesn't set up a bogus | |
| 2246 default value */ | |
|
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|
2247 Vdefault_face = Fmake_face (Qdefault, build_defer_string ("default face"), |
| 428 | 2248 Qnil); |
| 2249 | |
| 2250 /* Provide some last-resort fallbacks to avoid utter fuckage if | |
| 2251 someone provides invalid values for the global specifications. */ | |
| 2252 | |
| 2253 { | |
| 2254 Lisp_Object fg_fb = Qnil, bg_fb = Qnil; | |
| 2255 | |
| 462 | 2256 #ifdef HAVE_GTK |
|
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2257 fg_fb = acons (list1 (Qgtk), build_ascstring ("black"), fg_fb); |
|
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|
2258 bg_fb = acons (list1 (Qgtk), build_ascstring ("white"), bg_fb); |
| 462 | 2259 #endif |
| 428 | 2260 #ifdef HAVE_X_WINDOWS |
|
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2261 fg_fb = acons (list1 (Qx), build_ascstring ("black"), fg_fb); |
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|
2262 bg_fb = acons (list1 (Qx), build_ascstring ("gray80"), bg_fb); |
| 428 | 2263 #endif |
| 2264 #ifdef HAVE_TTY | |
| 2265 fg_fb = acons (list1 (Qtty), Fvector (0, 0), fg_fb); | |
| 2266 bg_fb = acons (list1 (Qtty), Fvector (0, 0), bg_fb); | |
| 2267 #endif | |
| 2268 #ifdef HAVE_MS_WINDOWS | |
|
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2269 fg_fb = acons (list1 (Qmsprinter), build_ascstring ("black"), fg_fb); |
|
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|
2270 bg_fb = acons (list1 (Qmsprinter), build_ascstring ("white"), bg_fb); |
|
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|
2271 fg_fb = acons (list1 (Qmswindows), build_ascstring ("black"), fg_fb); |
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|
2272 bg_fb = acons (list1 (Qmswindows), build_ascstring ("white"), bg_fb); |
| 428 | 2273 #endif |
| 2274 set_specifier_fallback (Fget (Vdefault_face, Qforeground, Qnil), fg_fb); | |
| 2275 set_specifier_fallback (Fget (Vdefault_face, Qbackground, Qnil), bg_fb); | |
| 2276 } | |
| 2277 | |
| 2278 { | |
| 2279 Lisp_Object inst_list = Qnil; | |
| 462 | 2280 |
| 872 | 2281 #if defined (HAVE_X_WINDOWS) || defined (HAVE_GTK) |
| 2865 | 2282 |
| 3659 | 2283 #ifdef HAVE_GTK |
| 2284 Lisp_Object device_symbol = Qgtk; | |
| 2285 #else | |
| 2286 Lisp_Object device_symbol = Qx; | |
| 2287 #endif | |
| 2288 | |
|
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|
2289 #if defined (HAVE_XFT) || defined (MULE) |
| 3802 | 2290 const Ascbyte **fontptr; |
| 3659 | 2291 |
| 2367 | 2292 const Ascbyte *fonts[] = |
| 428 | 2293 { |
|
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|
2294 #ifdef HAVE_XFT |
| 3094 | 2295 /************** Xft fonts *************/ |
| 2296 | |
| 2297 /* Note that fontconfig can search for several font families in one | |
| 2298 call. We should use this facility. */ | |
| 3659 | 2299 "Monospace-12", |
| 3094 | 2300 /* do we need to worry about non-Latin characters for monospace? |
| 4187 | 2301 No, at least in Debian's implementation of Xft. |
| 3094 | 2302 We should recommend that "gothic" and "mincho" aliases be created? */ |
| 3659 | 2303 "Sazanami Mincho-12", |
| 2304 /* Japanese #### add encoding info? */ | |
| 4187 | 2305 /* Arphic for Chinese? */ |
| 2306 /* Korean */ | |
| 3094 | 2307 #else |
| 3659 | 2308 /* The default Japanese fonts installed with XFree86 4.0 use this |
| 2309 point size, and the -misc-fixed fonts (which look really bad with | |
| 2310 Han characters) don't. We need to prefer the former. */ | |
| 2311 "-*-*-medium-r-*-*-*-150-*-*-c-*-*-*", | |
| 2312 /* And the Chinese ones, maddeningly, use this one. (But on 4.0, while | |
| 2313 XListFonts returns them, XLoadQueryFont on the fully-specified XLFD | |
| 2314 corresponding to one of them fails!) */ | |
| 2315 "-*-*-medium-r-*-*-*-160-*-*-c-*-*-*", | |
| 2316 "-*-*-medium-r-*-*-*-170-*-*-c-*-*-*", | |
| 3094 | 2317 #endif |
| 428 | 2318 }; |
|
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Ben Wing <ben@xemacs.org>
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|
2319 #endif /* defined (HAVE_XFT) || defined (MULE) */ |
| 3802 | 2320 |
| 2321 #ifdef MULE | |
| 428 | 2322 |
| 3659 | 2323 /* Define some specifier tags for classes of character sets. Combining |
| 2324 these allows for distinct fallback fonts for distinct dimensions of | |
| 2325 character sets and stages. */ | |
| 2326 | |
| 2327 define_specifier_tag(Qtwo_dimensional, Qnil, | |
| 2328 intern ("specifier-tag-two-dimensional-p")); | |
| 2329 | |
| 2330 define_specifier_tag(Qone_dimensional, Qnil, | |
| 2331 intern ("specifier-tag-one-dimensional-p")); | |
| 2332 | |
| 4187 | 2333 define_specifier_tag(Qinitial, Qnil, |
| 3659 | 2334 intern ("specifier-tag-initial-stage-p")); |
| 2335 | |
| 4187 | 2336 define_specifier_tag(Qfinal, Qnil, |
| 3659 | 2337 intern ("specifier-tag-final-stage-p")); |
| 2338 | |
| 2339 define_specifier_tag (Qencode_as_utf_8, Qnil, | |
| 2340 intern("specifier-tag-encode-as-utf-8-p")); | |
| 3918 | 2341 |
| 2342 /* This tag is used to group those instantiators made available in the | |
| 2343 fallback for the sake of coverage of obscure characters, notably | |
| 2344 Markus Kuhn's misc-fixed fonts. They will be copied from the fallback | |
| 2345 when the default face is determined from X resources at startup. */ | |
| 2346 define_specifier_tag (Qx_coverage_instantiator, Qnil, Qnil); | |
| 2347 | |
| 3659 | 2348 #endif /* MULE */ |
| 2349 | |
|
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|
2350 #ifdef HAVE_XFT |
| 3747 | 2351 for (fontptr = fonts + countof(fonts) - 1; fontptr >= fonts; fontptr--) |
| 2352 inst_list = Fcons (Fcons (list1 (device_symbol), | |
|
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|
2353 build_cistring (*fontptr)), |
| 3747 | 2354 inst_list); |
| 2355 | |
|
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|
2356 #else /* !HAVE_XFT */ |
| 3659 | 2357 inst_list = |
| 4187 | 2358 Fcons |
| 3659 | 2359 (Fcons |
| 4187 | 2360 (list1 (device_symbol), |
|
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Stephen J. Turnbull <stephen@xemacs.org>
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diff
changeset
|
2361 /* grrr. This really does need to be "*", not an XLFD. |
|
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|
2362 An unspecified XLFD won't pick up stuff like 10x20. */ |
|
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|
2363 build_ascstring ("*")), |
| 3659 | 2364 inst_list); |
| 4187 | 2365 #ifdef MULE |
| 3659 | 2366 |
| 2367 /* For Han characters and Ethiopic, we want the misc-fixed font used to | |
| 2368 be distinct from that for alphabetic scripts, because the font | |
| 2369 specified below is distractingly ugly when used for Han characters | |
| 2370 (this is slightly less so) and because its coverage isn't up to | |
| 2371 handling them (well, chiefly, it's not up to handling Ethiopic--we do | |
| 2372 have charset-specific fallbacks for the East Asian charsets.) */ | |
| 4187 | 2373 inst_list = |
| 3659 | 2374 Fcons |
| 2375 (Fcons | |
| 4187 | 2376 (list4(device_symbol, Qtwo_dimensional, Qfinal, Qx_coverage_instantiator), |
|
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|
2377 build_ascstring |
| 3659 | 2378 ("-misc-fixed-medium-r-normal--15-140-75-75-c-90-iso10646-1")), |
| 2379 inst_list); | |
| 2380 | |
| 2381 /* Use Markus Kuhn's version of misc-fixed as the font for the font for | |
| 2382 when a given charset's registries can't be found and redisplay for | |
| 2383 that charset falls back to iso10646-1. */ | |
| 428 | 2384 |
| 4187 | 2385 inst_list = |
| 3659 | 2386 Fcons |
| 2387 (Fcons | |
| 4187 | 2388 (list4(device_symbol, Qone_dimensional, Qfinal, Qx_coverage_instantiator), |
|
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|
2389 build_ascstring |
| 4187 | 2390 ("-misc-fixed-medium-r-semicondensed--13-120-75-75-c-60-iso10646-1")), |
| 3659 | 2391 inst_list); |
| 2392 | |
| 462 | 2393 for (fontptr = fonts + countof(fonts) - 1; fontptr >= fonts; fontptr--) |
| 4187 | 2394 inst_list = Fcons (Fcons (list3 (device_symbol, |
| 3659 | 2395 Qtwo_dimensional, Qinitial), |
|
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changeset
|
2396 build_cistring (*fontptr)), |
| 462 | 2397 inst_list); |
| 3659 | 2398 |
| 2399 /* We need to set the font for the JIT-ucs-charsets separately from the | |
| 2400 final stage, since otherwise it picks up the two-dimensional | |
| 2401 specification (see specifier-tag-two-dimensional-initial-stage-p | |
| 2402 above). They also use Markus Kuhn's ISO 10646-1 fixed fonts for | |
| 2403 redisplay. */ | |
| 2404 | |
| 4187 | 2405 inst_list = |
| 3659 | 2406 Fcons |
| 2407 (Fcons | |
| 4187 | 2408 (list4(device_symbol, Qencode_as_utf_8, Qinitial, Qx_coverage_instantiator), |
|
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|
2409 build_ascstring |
| 4187 | 2410 ("-misc-fixed-medium-r-semicondensed--13-120-75-75-c-60-iso10646-1")), |
| 3659 | 2411 inst_list); |
| 2412 | |
| 2413 #endif /* MULE */ | |
| 2414 | |
| 2415 /* Needed to make sure that charsets with non-specified fonts don't | |
| 2416 use bold and oblique first if medium and regular are available. */ | |
| 2417 inst_list = | |
| 4187 | 2418 Fcons |
| 3659 | 2419 (Fcons |
| 4187 | 2420 (list1 (device_symbol), |
|
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|
2421 build_ascstring ("-*-*-medium-r-*-*-*-120-*-*-c-*-*-*")), |
| 3659 | 2422 inst_list); |
| 2423 | |
| 2424 /* With a Cygwin XFree86 install, this returns the best (clearest, | |
| 2425 most readable) font I can find when scaling of bitmap fonts is | |
| 2426 turned on, as it is by default. (WHO IN THE NAME OF CHRIST THOUGHT | |
| 2427 THAT WAS A GOOD IDEA?!?!) The other fonts that used to be specified | |
| 2428 here gave horrendous results. */ | |
| 2429 | |
| 2430 inst_list = | |
| 4187 | 2431 Fcons |
| 3659 | 2432 (Fcons |
| 4187 | 2433 (list1 (device_symbol), |
|
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|
2434 build_ascstring ("-*-lucidatypewriter-medium-r-*-*-*-120-*-*-*-*-*-*")), |
| 3659 | 2435 inst_list); |
| 2436 | |
|
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|
2437 #endif /* !HAVE_XFT */ |
| 3747 | 2438 |
| 462 | 2439 #endif /* HAVE_X_WINDOWS || HAVE_GTK */ |
| 2440 | |
| 428 | 2441 #ifdef HAVE_TTY |
|
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2442 inst_list = Fcons (Fcons (list1 (Qtty), build_ascstring ("normal")), |
| 428 | 2443 inst_list); |
| 2444 #endif /* HAVE_TTY */ | |
| 440 | 2445 |
| 771 | 2446 #ifdef HAVE_MS_WINDOWS |
| 2447 { | |
| 2367 | 2448 const Ascbyte *mswfonts[] = |
| 4187 | 2449 { |
| 2450 "Courier New:Regular:10::", | |
| 2451 "Courier:Regular:10::", | |
| 2452 ":Regular:10::" | |
| 2453 }; | |
| 2367 | 2454 const Ascbyte **mswfontptr; |
| 2865 | 2455 |
| 771 | 2456 for (mswfontptr = mswfonts + countof (mswfonts) - 1; |
| 2457 mswfontptr >= mswfonts; mswfontptr--) | |
| 4187 | 2458 { |
| 2459 /* display device */ | |
| 2460 inst_list = Fcons (Fcons (list1 (Qmswindows), | |
|
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2461 build_ascstring (*mswfontptr)), |
| 4187 | 2462 inst_list); |
| 2463 /* printer device */ | |
| 2464 inst_list = Fcons (Fcons (list1 (Qmsprinter), | |
|
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2465 build_ascstring (*mswfontptr)), |
| 4187 | 2466 inst_list); |
| 2467 } | |
| 793 | 2468 /* Use Lucida Console rather than Courier New if it exists -- the |
| 4187 | 2469 line spacing is much less, so many more lines fit with the same |
| 2470 size font. (And it's specifically designed for screens.) */ | |
| 2865 | 2471 inst_list = Fcons (Fcons (list1 (Qmswindows), |
|
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2472 build_ascstring ("Lucida Console:Regular:10::")), |
| 793 | 2473 inst_list); |
| 771 | 2474 } |
| 428 | 2475 #endif /* HAVE_MS_WINDOWS */ |
| 771 | 2476 |
| 428 | 2477 set_specifier_fallback (Fget (Vdefault_face, Qfont, Qnil), inst_list); |
| 2478 } | |
| 2479 | |
| 2480 set_specifier_fallback (Fget (Vdefault_face, Qunderline, Qnil), | |
| 2481 list1 (Fcons (Qnil, Qnil))); | |
| 2482 set_specifier_fallback (Fget (Vdefault_face, Qstrikethru, Qnil), | |
| 2483 list1 (Fcons (Qnil, Qnil))); | |
| 2484 set_specifier_fallback (Fget (Vdefault_face, Qhighlight, Qnil), | |
| 2485 list1 (Fcons (Qnil, Qnil))); | |
| 2486 set_specifier_fallback (Fget (Vdefault_face, Qdim, Qnil), | |
| 2487 list1 (Fcons (Qnil, Qnil))); | |
| 2488 set_specifier_fallback (Fget (Vdefault_face, Qblinking, Qnil), | |
| 2489 list1 (Fcons (Qnil, Qnil))); | |
| 2490 set_specifier_fallback (Fget (Vdefault_face, Qreverse, Qnil), | |
| 2491 list1 (Fcons (Qnil, Qnil))); | |
| 2492 | |
| 2493 /* gui-element is the parent face of all gui elements such as | |
| 2494 modeline, vertical divider and toolbar. */ | |
| 2495 Vgui_element_face = Fmake_face (Qgui_element, | |
|
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|
2496 build_defer_string ("gui element face"), |
| 428 | 2497 Qnil); |
| 2498 | |
| 2499 /* Provide some last-resort fallbacks for gui-element face which | |
| 2500 mustn't default to default. */ | |
| 2501 { | |
| 2502 Lisp_Object fg_fb = Qnil, bg_fb = Qnil; | |
| 2503 | |
| 3094 | 2504 /* #### gui-element face doesn't have a font property? |
| 2505 But it gets referred to later! */ | |
| 462 | 2506 #ifdef HAVE_GTK |
| 2507 /* We need to put something in there, or error checking gets | |
| 2508 #%!@#ed up before the styles are set, which override the | |
| 2509 fallbacks. */ | |
|
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2510 fg_fb = acons (list1 (Qgtk), build_ascstring ("black"), fg_fb); |
|
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|
2511 bg_fb = acons (list1 (Qgtk), build_ascstring ("Gray80"), bg_fb); |
| 462 | 2512 #endif |
| 428 | 2513 #ifdef HAVE_X_WINDOWS |
|
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2514 fg_fb = acons (list1 (Qx), build_ascstring ("black"), fg_fb); |
|
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2515 bg_fb = acons (list1 (Qx), build_ascstring ("Gray80"), bg_fb); |
| 428 | 2516 #endif |
| 2517 #ifdef HAVE_TTY | |
| 2518 fg_fb = acons (list1 (Qtty), Fvector (0, 0), fg_fb); | |
| 2519 bg_fb = acons (list1 (Qtty), Fvector (0, 0), bg_fb); | |
| 2520 #endif | |
| 2521 #ifdef HAVE_MS_WINDOWS | |
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2522 fg_fb = acons (list1 (Qmsprinter), build_ascstring ("black"), fg_fb); |
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2523 bg_fb = acons (list1 (Qmsprinter), build_ascstring ("white"), bg_fb); |
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2524 fg_fb = acons (list1 (Qmswindows), build_ascstring ("black"), fg_fb); |
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2525 bg_fb = acons (list1 (Qmswindows), build_ascstring ("Gray75"), bg_fb); |
| 428 | 2526 #endif |
| 2527 set_specifier_fallback (Fget (Vgui_element_face, Qforeground, Qnil), fg_fb); | |
| 2528 set_specifier_fallback (Fget (Vgui_element_face, Qbackground, Qnil), bg_fb); | |
| 2529 } | |
| 2530 | |
| 2531 /* Now create the other faces that redisplay needs to refer to | |
| 2532 directly. We could create them in Lisp but it's simpler this | |
| 2533 way since we need to get them anyway. */ | |
| 2534 | |
| 2535 /* modeline is gui element. */ | |
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2536 Vmodeline_face = Fmake_face (Qmodeline, build_defer_string ("modeline face"), |
| 428 | 2537 Qnil); |
| 2538 | |
| 2539 set_specifier_fallback (Fget (Vmodeline_face, Qforeground, Qunbound), | |
| 2540 Fget (Vgui_element_face, Qforeground, Qunbound)); | |
| 2541 set_specifier_fallback (Fget (Vmodeline_face, Qbackground, Qunbound), | |
| 2542 Fget (Vgui_element_face, Qbackground, Qunbound)); | |
| 2543 set_specifier_fallback (Fget (Vmodeline_face, Qbackground_pixmap, Qnil), | |
| 2544 Fget (Vgui_element_face, Qbackground_pixmap, | |
| 2545 Qunbound)); | |
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2546 set_specifier_fallback (Fget (Vmodeline_face, Qbackground_placement, Qnil), |
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2547 Fget (Vgui_element_face, Qbackground_placement, |
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2548 Qunbound)); |
| 428 | 2549 |
| 2550 /* toolbar is another gui element */ | |
| 2551 Vtoolbar_face = Fmake_face (Qtoolbar, | |
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2552 build_defer_string ("toolbar face"), |
| 428 | 2553 Qnil); |
| 2554 set_specifier_fallback (Fget (Vtoolbar_face, Qforeground, Qunbound), | |
| 2555 Fget (Vgui_element_face, Qforeground, Qunbound)); | |
| 2556 set_specifier_fallback (Fget (Vtoolbar_face, Qbackground, Qunbound), | |
| 2557 Fget (Vgui_element_face, Qbackground, Qunbound)); | |
| 2558 set_specifier_fallback (Fget (Vtoolbar_face, Qbackground_pixmap, Qnil), | |
| 2559 Fget (Vgui_element_face, Qbackground_pixmap, | |
| 2560 Qunbound)); | |
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2561 set_specifier_fallback (Fget (Vtoolbar_face, Qbackground_placement, Qnil), |
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2562 Fget (Vgui_element_face, Qbackground_placement, |
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2563 Qunbound)); |
| 428 | 2564 |
| 2565 /* vertical divider is another gui element */ | |
| 2566 Vvertical_divider_face = Fmake_face (Qvertical_divider, | |
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2567 build_defer_string ("vertical divider face"), |
| 428 | 2568 Qnil); |
| 2569 | |
| 2570 set_specifier_fallback (Fget (Vvertical_divider_face, Qforeground, Qunbound), | |
| 2571 Fget (Vgui_element_face, Qforeground, Qunbound)); | |
| 2572 set_specifier_fallback (Fget (Vvertical_divider_face, Qbackground, Qunbound), | |
| 2573 Fget (Vgui_element_face, Qbackground, Qunbound)); | |
| 2574 set_specifier_fallback (Fget (Vvertical_divider_face, Qbackground_pixmap, | |
| 2575 Qunbound), | |
| 2576 Fget (Vgui_element_face, Qbackground_pixmap, | |
| 2577 Qunbound)); | |
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2578 set_specifier_fallback (Fget (Vvertical_divider_face, Qbackground_placement, |
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2579 Qnil), |
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2580 Fget (Vgui_element_face, Qbackground_placement, |
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2581 Qunbound)); |
| 428 | 2582 |
| 2583 /* widget is another gui element */ | |
| 2584 Vwidget_face = Fmake_face (Qwidget, | |
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2585 build_defer_string ("widget face"), |
| 428 | 2586 Qnil); |
| 3094 | 2587 /* #### weird ... the gui-element face doesn't have its own font yet */ |
| 442 | 2588 set_specifier_fallback (Fget (Vwidget_face, Qfont, Qunbound), |
| 2589 Fget (Vgui_element_face, Qfont, Qunbound)); | |
| 428 | 2590 set_specifier_fallback (Fget (Vwidget_face, Qforeground, Qunbound), |
| 2591 Fget (Vgui_element_face, Qforeground, Qunbound)); | |
| 2592 set_specifier_fallback (Fget (Vwidget_face, Qbackground, Qunbound), | |
| 2593 Fget (Vgui_element_face, Qbackground, Qunbound)); | |
| 442 | 2594 /* We don't want widgets to have a default background pixmap. */ |
| 428 | 2595 |
| 2596 Vleft_margin_face = Fmake_face (Qleft_margin, | |
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2597 build_defer_string ("left margin face"), |
| 428 | 2598 Qnil); |
| 2599 Vright_margin_face = Fmake_face (Qright_margin, | |
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2600 build_defer_string ("right margin face"), |
| 428 | 2601 Qnil); |
| 2602 Vtext_cursor_face = Fmake_face (Qtext_cursor, | |
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2603 build_defer_string ("face for text cursor"), |
| 428 | 2604 Qnil); |
| 2605 Vpointer_face = | |
| 2606 Fmake_face (Qpointer, | |
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2607 build_defer_string |
| 428 | 2608 ("face for foreground/background colors of mouse pointer"), |
| 2609 Qnil); | |
| 2610 } |