Mercurial > hg > xemacs-beta
annotate src/objects-xlike-inc.c @ 4903:70089046adef
fix compile problems in intl-encap* under VS6
-------------------- ChangeLog entries follow: --------------------
lib-src/ChangeLog addition:
2010-01-30 Ben Wing <ben@xemacs.org>
* make-mswin-unicode.pl:
Make it possible to specify an overridden prototype in cases where
either Cygwin or Visual Studio has errors in their headers that
can be corrected by falling back to a less qualified type (typically
without const).
src/ChangeLog addition:
2010-01-30 Ben Wing <ben@xemacs.org>
* intl-auto-encap-win32.c:
* intl-auto-encap-win32.c (qxeExtractAssociatedIcon):
* intl-auto-encap-win32.c (qxeExtractIconEx):
* intl-auto-encap-win32.c (qxeCreateMDIWindow):
* intl-auto-encap-win32.c (qxeCreateWindowStation):
* intl-auto-encap-win32.c (qxeDdeCreateStringHandle):
* intl-auto-encap-win32.c (qxeAbortSystemShutdown):
* intl-auto-encap-win32.c (qxeRegConnectRegistry):
* intl-auto-encap-win32.c (qxeGetICMProfile):
* intl-auto-encap-win32.h:
Rebuild.
* intl-encap-win32.c:
* intl-encap-win32.c (qxeUpdateICMRegKey):
Delete manual definitions of functions with former errors in
Cygwin headers but no longer. Use "override" with some functions
where Cygwin or VS6 accidentally omits a const declaration or
includes an extra one. Use "no" on SendMessageTimeout, which
has an error in the VS6 prototype (you could manually fix this
with an ifdef to split the Cygwin vs. VS6 calls, if we ever
actually used this function).
| author | Ben Wing <ben@xemacs.org> |
|---|---|
| date | Sat, 30 Jan 2010 20:34:23 -0600 |
| parents | 0d3ccd5a2509 |
| children | b3ce27ca7647 8b63e21b0436 |
| rev | line source |
|---|---|
| 3659 | 1 /* Shared object code between X and GTK -- include file. |
| 2 Copyright (C) 1991-5, 1997 Free Software Foundation, Inc. | |
| 3 Copyright (C) 1995 Sun Microsystems, Inc. | |
| 4 Copyright (C) 1996, 2001, 2002, 2003 Ben Wing. | |
| 5 | |
| 6 This file is part of XEmacs. | |
| 7 | |
| 8 XEmacs is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 10 Free Software Foundation; either version 2, or (at your option) any | |
| 11 later version. | |
| 12 | |
| 13 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 19 along with XEmacs; see the file COPYING. If not, write to | |
| 20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 21 Boston, MA 02111-1307, USA. */ | |
| 22 | |
| 23 /* Synched up with: Not in FSF. */ | |
| 24 | |
| 25 /* Pango is ready for prime-time now, as far as I understand it. The GTK | |
| 26 people should be using that. Oh well. (Aidan Kehoe, Sat Nov 4 12:41:12 | |
| 27 CET 2006) */ | |
| 28 | |
| 29 #if defined(__STDC_VERSION__) && (__STDC_VERSION__ >= 199901) | |
| 30 | |
| 31 #ifdef DEBUG_XEMACS | |
| 32 # define DEBUG_OBJECTS(FORMAT, ...) \ | |
| 33 do { if (debug_x_objects) stderr_out(FORMAT, __VA_ARGS__); } while (0) | |
| 34 #else /* DEBUG_XEMACS */ | |
| 35 # define DEBUG_OBJECTS(format, ...) | |
| 36 #endif /* DEBUG_XEMACS */ | |
| 37 | |
| 38 #elif defined(__GNUC__) | |
| 39 | |
| 40 #ifdef DEBUG_XEMACS | |
| 41 # define DEBUG_OBJECTS(format, args...) \ | |
| 42 do { if (debug_x_objects) stderr_out(format, args ); } while (0) | |
| 43 #else /* DEBUG_XEMACS */ | |
| 44 # define DEBUG_OBJECTS(format, args...) | |
| 45 #endif /* DEBUG_XEMACS */ | |
| 46 | |
| 47 #else /* defined(__STDC_VERSION__) [...] */ | |
| 48 # define DEBUG_OBJECTS (void) | |
| 49 #endif | |
| 50 | |
| 51 #ifdef MULE | |
| 52 | |
| 53 /* For some code it's reasonable to have only one copy and conditionalize | |
| 54 at run-time. For other code it isn't. */ | |
| 55 | |
| 56 static int | |
| 57 count_hyphens(const Ibyte *str, Bytecount length, Ibyte **last_hyphen) | |
| 58 { | |
| 59 int hyphen_count = 0; | |
| 60 const Ibyte *hyphening = str; | |
| 61 const Ibyte *new_hyphening; | |
| 62 | |
| 63 for (hyphen_count = 0; | |
| 4124 | 64 NULL != (new_hyphening = (Ibyte *) memchr((const void *)hyphening, '-', length)); |
| 3659 | 65 hyphen_count++) |
| 66 { | |
| 67 ++new_hyphening; | |
| 68 length -= new_hyphening - hyphening; | |
| 69 hyphening = new_hyphening; | |
| 70 } | |
| 71 | |
| 72 if (NULL != last_hyphen) | |
| 73 { | |
| 74 *last_hyphen = (Ibyte *)hyphening; | |
| 75 } | |
| 76 | |
| 77 return hyphen_count; | |
| 78 } | |
| 79 | |
| 80 static int | |
| 81 #ifdef THIS_IS_GTK | |
| 82 gtk_font_spec_matches_charset (struct device * USED_IF_XFT (d), | |
| 83 Lisp_Object charset, | |
| 84 const Ibyte *nonreloc, Lisp_Object reloc, | |
| 85 Bytecount offset, Bytecount length, | |
| 86 enum font_specifier_matchspec_stages stage) | |
| 87 #else | |
| 88 x_font_spec_matches_charset (struct device * USED_IF_XFT (d), | |
| 89 Lisp_Object charset, | |
| 90 const Ibyte *nonreloc, Lisp_Object reloc, | |
| 91 Bytecount offset, Bytecount length, | |
| 92 enum font_specifier_matchspec_stages stage) | |
| 93 #endif | |
| 94 { | |
| 95 Lisp_Object registries = Qnil; | |
| 96 long i, registries_len; | |
| 97 const Ibyte *the_nonreloc; | |
| 98 Bytecount the_length; | |
| 99 | |
| 100 the_nonreloc = nonreloc; | |
| 101 the_length = length; | |
| 102 | |
| 103 if (!the_nonreloc) | |
| 104 the_nonreloc = XSTRING_DATA (reloc); | |
| 105 fixup_internal_substring (nonreloc, reloc, offset, &the_length); | |
| 106 the_nonreloc += offset; | |
| 107 | |
| 108 #ifdef USE_XFT | |
| 109 if (stage) | |
| 110 { | |
| 111 Display *dpy = DEVICE_X_DISPLAY (d); | |
| 112 Extbyte *extname; | |
| 113 XftFont *rf; | |
| 114 const Ibyte *the_nonreloc; | |
| 115 | |
| 116 if (!NILP(reloc)) | |
| 117 { | |
| 118 the_nonreloc = XSTRING_DATA (reloc); | |
| 119 LISP_STRING_TO_EXTERNAL (reloc, extname, Qx_font_name_encoding); | |
| 120 rf = xft_open_font_by_name (dpy, extname); | |
| 121 return 0; /* #### maybe this will compile and run ;) */ | |
| 122 /* Jesus, Stephen, what the fuck? */ | |
| 123 } | |
| 124 } | |
| 125 #endif | |
| 126 | |
| 127 /* Hmm, this smells bad. */ | |
|
4353
4143b78d0df0
Merge an old patch of Ben's, involving font instantiation and charsets.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4124
diff
changeset
|
128 if (NILP (charset)) |
| 3659 | 129 return 1; |
| 130 | |
| 131 /* Hack! Short font names don't have the registry in them, | |
| 132 so we just assume the user knows what they're doing in the | |
| 133 case of ASCII. For other charsets, you gotta give the | |
| 134 long form; sorry buster. | |
| 135 #### FMH: this screws fontconfig/Xft? | |
| 136 STRATEGY: use fontconfig's ability to hack languages and character | |
| 137 sets (lang and charset properties). | |
| 138 #### Maybe we can use the fontconfig model to eliminate the difference | |
| 139 between faces and fonts? No - it looks like that would be an abuse | |
| 140 (fontconfig doesn't know about colors, although Xft does). | |
| 141 */ | |
| 142 if (EQ (charset, Vcharset_ascii) && | |
| 143 (!memchr (the_nonreloc, '*', the_length)) | |
| 144 && (5 > (count_hyphens(the_nonreloc, the_length, NULL)))) | |
| 145 { | |
| 146 return 1; | |
| 147 } | |
| 148 | |
| 149 if (final == stage) | |
| 150 { | |
| 151 registries = Qunicode_registries; | |
| 152 } | |
| 153 else if (initial == stage) | |
| 154 { | |
| 155 registries = XCHARSET_REGISTRIES (charset); | |
| 156 if (NILP(registries)) | |
| 157 { | |
| 158 return 0; | |
| 159 } | |
| 160 } | |
| 161 else assert(0); | |
| 162 | |
| 163 CHECK_VECTOR (registries); | |
| 164 registries_len = XVECTOR_LENGTH(registries); | |
| 165 | |
| 166 for (i = 0; i < registries_len; ++i) | |
| 167 { | |
| 168 if (!(STRINGP(XVECTOR_DATA(registries)[i])) | |
| 169 || (XSTRING_LENGTH(XVECTOR_DATA(registries)[i]) > the_length)) | |
| 170 { | |
| 171 continue; | |
| 172 } | |
| 173 | |
| 174 /* Check if the font spec ends in the registry specified. X11 says | |
| 175 this comparison is case insensitive: XLFD, section 3.11: | |
| 176 | |
| 177 "Alphabetic case distinctions are allowed but are for human | |
| 178 readability concerns only. Conforming X servers will perform | |
| 179 matching on font name query or open requests independent of case." */ | |
| 180 if (0 == qxestrcasecmp(XSTRING_DATA(XVECTOR_DATA(registries)[i]), | |
| 181 the_nonreloc + (the_length - | |
| 182 XSTRING_LENGTH | |
| 183 (XVECTOR_DATA(registries)[i])))) | |
| 184 { | |
| 185 return 1; | |
| 186 } | |
| 187 } | |
| 188 return 0; | |
| 189 } | |
| 190 | |
| 191 static Lisp_Object | |
| 192 xlistfonts_checking_charset (Lisp_Object device, const Extbyte *xlfd, | |
| 193 Lisp_Object charset, | |
| 194 enum font_specifier_matchspec_stages stage) | |
| 195 { | |
| 196 Extbyte **names; | |
| 197 Lisp_Object result = Qnil; | |
| 198 int count = 0, i; | |
| 199 DECLARE_EISTRING(ei_single_result); | |
| 200 | |
| 201 names = XListFonts ( | |
| 202 #ifdef THIS_IS_GTK | |
| 203 GDK_DISPLAY (), | |
| 204 #else | |
| 205 DEVICE_X_DISPLAY (XDEVICE (device)), | |
| 206 #endif | |
| 207 xlfd, MAX_FONT_COUNT, &count); | |
| 208 | |
| 209 for (i = 0; i < count; ++i) | |
| 210 { | |
| 211 eireset(ei_single_result); | |
| 212 eicpy_ext(ei_single_result, names[i], Qx_font_name_encoding); | |
| 213 | |
| 214 if (DEVMETH_OR_GIVEN(XDEVICE (device), font_spec_matches_charset, | |
| 215 (XDEVICE (device), charset, | |
| 216 eidata(ei_single_result), Qnil, 0, | |
| 217 -1, stage), 0)) | |
| 218 { | |
| 219 result = eimake_string(ei_single_result); | |
| 220 DEBUG_OBJECTS ("in xlistfonts_checking_charset, returning %s\n", | |
| 221 eidata(ei_single_result)); | |
| 222 break; | |
| 223 } | |
| 224 } | |
| 225 | |
| 226 if (names) | |
| 227 { | |
| 228 XFreeFontNames (names); | |
| 229 } | |
| 230 | |
| 231 return result; | |
| 232 } | |
| 233 | |
| 234 #ifdef USE_XFT | |
| 235 /* #### debug functions: find a better place for us */ | |
| 236 const char *FcResultToString (FcResult r); | |
| 237 const char * | |
| 238 FcResultToString (FcResult r) | |
| 239 { | |
| 240 static char buffer[256]; | |
| 241 switch (r) | |
| 242 { | |
| 243 case FcResultMatch: | |
| 244 return "FcResultMatch"; | |
| 245 case FcResultNoMatch: | |
| 246 return "FcResultNoMatch"; | |
| 247 case FcResultTypeMismatch: | |
| 248 return "FcResultTypeMismatch"; | |
| 249 case FcResultNoId: | |
| 250 return "FcResultNoId"; | |
| 251 default: | |
| 252 snprintf (buffer, 255, "FcResultUndocumentedValue (%d)", r); | |
| 253 return buffer; | |
| 254 } | |
| 255 } | |
| 256 | |
| 257 const char *FcTypeOfValueToString (FcValue v); | |
| 258 const char * | |
| 259 FcTypeOfValueToString (FcValue v) | |
| 260 { | |
| 261 static char buffer[256]; | |
| 262 switch (v.type) | |
| 263 { | |
| 264 case FcTypeMatrix: | |
| 265 return "FcTypeMatrix"; | |
| 266 case FcTypeString: | |
| 267 return "FcTypeString"; | |
| 268 case FcTypeVoid: | |
| 269 return "FcTypeVoid"; | |
| 270 case FcTypeDouble: | |
| 271 return "FcTypeDouble"; | |
| 272 case FcTypeInteger: | |
| 273 return "FcTypeInteger"; | |
| 274 case FcTypeBool: | |
| 275 return "FcTypeBool"; | |
| 276 case FcTypeCharSet: | |
| 277 return "FcTypeCharSet"; | |
| 278 case FcTypeLangSet: | |
| 279 return "FcTypeLangSet"; | |
| 280 /* #### There is no union member of this type, but there are void* and | |
| 281 FcPattern* members, as of fontconfig.h FC_VERSION 10002 */ | |
| 282 case FcTypeFTFace: | |
| 283 return "FcTypeFTFace"; | |
| 284 default: | |
| 285 snprintf (buffer, 255, "FcTypeUndocumentedType (%d)", v.type); | |
| 286 return buffer; | |
| 287 } | |
| 288 } | |
| 289 | |
| 290 static FcCharSet * | |
| 291 mule_to_fc_charset (Lisp_Object cs) | |
| 292 { | |
| 293 int ucode, i, j; | |
| 294 FcCharSet *fccs; | |
| 295 | |
| 296 CHECK_CHARSET (cs); | |
| 297 fccs = FcCharSetCreate (); | |
| 298 /* #### do we also need to deal with 94 vs. 96 charsets? | |
| 299 ie, how are SP and DEL treated in ASCII? non-graphic should return -1 */ | |
| 300 if (1 == XCHARSET_DIMENSION (cs)) | |
| 301 /* Unicode tables are indexed by offsets from ASCII SP, not by ASCII */ | |
| 302 for (i = 0; i < 96; i++) | |
| 303 { | |
| 304 ucode = ((int *) XCHARSET_TO_UNICODE_TABLE (cs))[i]; | |
| 305 if (ucode >= 0) | |
| 306 /* #### should check for allocation failure */ | |
| 307 FcCharSetAddChar (fccs, (FcChar32) ucode); | |
| 308 } | |
| 309 else if (2 == XCHARSET_DIMENSION (cs)) | |
| 310 /* Unicode tables are indexed by offsets from ASCII SP, not by ASCII */ | |
| 311 for (i = 0; i < 96; i++) | |
| 312 for (j = 0; j < 96; j++) | |
| 313 { | |
| 314 ucode = ((int **) XCHARSET_TO_UNICODE_TABLE (cs))[i][j]; | |
| 315 if (ucode >= 0) | |
| 316 /* #### should check for allocation failure */ | |
| 317 FcCharSetAddChar (fccs, (FcChar32) ucode); | |
| 318 } | |
| 319 else | |
| 320 { | |
| 321 FcCharSetDestroy (fccs); | |
| 322 fccs = NULL; | |
| 323 } | |
| 324 return fccs; | |
| 325 } | |
| 326 | |
| 327 struct charset_reporter { | |
| 328 Lisp_Object *charset; | |
| 329 /* This is a debug facility, require ASCII. */ | |
| 330 Extbyte *language; /* ASCII, please */ | |
|
4758
75975fd0b7fc
Implement more of the fontconfig API.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4757
diff
changeset
|
331 /* Technically this is FcChar8, but fsckin' GCC 4 bitches. |
|
75975fd0b7fc
Implement more of the fontconfig API.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4757
diff
changeset
|
332 RFC 3066 is a combination of ISO 639 and ISO 3166. */ |
| 3659 | 333 Extbyte *rfc3066; /* ASCII, please */ |
| 334 }; | |
| 335 | |
| 336 static struct charset_reporter charset_table[] = | |
| 337 { | |
| 338 /* #### It's my branch, my favorite charsets get checked first! | |
| 339 That's a joke, Son. | |
| 340 Ie, I don't know what I'm doing, so my charsets first is as good as | |
| 341 any other arbitrary order. If you have a better idea, speak up! */ | |
| 342 { &Vcharset_ascii, "English", "en" }, | |
| 343 { &Vcharset_japanese_jisx0208, "Japanese", "ja" }, | |
| 344 { &Vcharset_japanese_jisx0212, "Japanese", "ja" }, | |
| 345 { &Vcharset_katakana_jisx0201, "Japanese", "ja" }, | |
| 346 { &Vcharset_latin_jisx0201, "Japanese", "ja" }, | |
| 347 { &Vcharset_japanese_jisx0208_1978, "Japanese", "ja" }, | |
| 348 { &Vcharset_greek_iso8859_7, "Greek", "el" }, | |
| 349 /* #### all the Chinese need checking | |
| 350 Damn the blood-sucking ISO anyway. */ | |
|
4756
5d67242595a8
Update charset_table used by Xft.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4494
diff
changeset
|
351 { &Vcharset_chinese_gb2312, "simplified Chinese", "zh-cn" }, |
| 3659 | 352 { &Vcharset_korean_ksc5601, "Korean", "ko" }, |
|
4756
5d67242595a8
Update charset_table used by Xft.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4494
diff
changeset
|
353 { &Vcharset_chinese_cns11643_1, "traditional Chinese", "zh-tw" }, |
|
5d67242595a8
Update charset_table used by Xft.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4494
diff
changeset
|
354 { &Vcharset_chinese_cns11643_2, "traditional Chinese", "zh-tw" }, |
|
5d67242595a8
Update charset_table used by Xft.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4494
diff
changeset
|
355 /* #### not obvious how to handle these |
|
5d67242595a8
Update charset_table used by Xft.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4494
diff
changeset
|
356 We could (for experimental purposes) make the last element into |
|
5d67242595a8
Update charset_table used by Xft.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4494
diff
changeset
|
357 an array of ISO 639 codes, and check for all of them. If a font |
|
5d67242595a8
Update charset_table used by Xft.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4494
diff
changeset
|
358 provides some but not others, warn. */ |
| 3659 | 359 { &Vcharset_latin_iso8859_1, NULL, NULL }, |
| 360 { &Vcharset_latin_iso8859_2, NULL, NULL }, | |
| 361 { &Vcharset_latin_iso8859_3, NULL, NULL }, | |
| 362 { &Vcharset_latin_iso8859_4, NULL, NULL }, | |
| 363 { &Vcharset_latin_iso8859_9, NULL, NULL }, | |
| 364 { &Vcharset_latin_iso8859_15, NULL, NULL }, | |
|
4756
5d67242595a8
Update charset_table used by Xft.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4494
diff
changeset
|
365 { &Vcharset_thai_tis620, "Thai", "th" }, |
|
5d67242595a8
Update charset_table used by Xft.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4494
diff
changeset
|
366 /* We don't have an arabic charset. bidi issues, I guess? */ |
|
5d67242595a8
Update charset_table used by Xft.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4494
diff
changeset
|
367 /* { &Vcharset_arabic_iso8859_6, "Arabic", "ar" }, */ |
| 3659 | 368 { &Vcharset_hebrew_iso8859_8, "Hebrew", "he" }, |
|
4756
5d67242595a8
Update charset_table used by Xft.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4494
diff
changeset
|
369 /* #### probably close enough for Ukraine? */ |
|
5d67242595a8
Update charset_table used by Xft.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4494
diff
changeset
|
370 { &Vcharset_cyrillic_iso8859_5, "Russian", "ru" }, |
| 3659 | 371 /* #### these probably are not quite right */ |
|
4756
5d67242595a8
Update charset_table used by Xft.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4494
diff
changeset
|
372 { &Vcharset_chinese_big5_1, "traditional Chinese", "zh-tw" }, |
|
5d67242595a8
Update charset_table used by Xft.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4494
diff
changeset
|
373 { &Vcharset_chinese_big5_2, "traditional Chinese", "zh-tw" }, |
| 3659 | 374 { NULL, NULL, NULL } |
| 375 }; | |
| 376 | |
| 377 /* Choose appropriate font name for debug messages. | |
| 378 Use only in the top half of next function (enforced with #undef). */ | |
| 379 #define DECLARE_DEBUG_FONTNAME(__xemacs_name) \ | |
| 380 Eistring *__xemacs_name; \ | |
| 381 do \ | |
| 382 { \ | |
| 383 __xemacs_name = debug_xft > 2 ? eistr_fullname \ | |
| 384 : debug_xft > 1 ? eistr_longname \ | |
| 385 : eistr_shortname; \ | |
| 386 } while (0) | |
| 387 | |
| 388 static Lisp_Object | |
| 389 xft_find_charset_font (Lisp_Object font, Lisp_Object charset, | |
| 390 enum font_specifier_matchspec_stages stage) | |
| 391 { | |
| 392 const Extbyte *patternext; | |
| 393 Lisp_Object result = Qnil; | |
| 394 | |
| 395 /* #### with Xft need to handle second stage here -- sjt | |
| 396 Hm. Or maybe not. That would be cool. :-) */ | |
| 397 if (stage) | |
| 398 return Qnil; | |
| 399 | |
| 400 /* Fontconfig converts all FreeType names to UTF-8 before passing them | |
| 401 back to callers---see fcfreetype.c (FcFreeTypeQuery). | |
| 402 I don't believe this is documented. */ | |
| 403 | |
| 404 DEBUG_XFT1 (1, "confirming charset for font instance %s\n", | |
| 405 XSTRING_DATA(font)); | |
| 406 | |
| 407 /* #### this looks like a fair amount of work, but the basic design | |
| 408 has never been rethought, and it should be | |
| 409 | |
| 410 what really should happen here is that we use FcFontSort (FcFontList?) | |
| 411 to get a list of matching fonts, then pick the first (best) one that | |
| 412 gives language or repertoire coverage. | |
| 413 */ | |
| 414 | |
| 415 FcInit (); /* No-op if already initialized. | |
| 416 In fontconfig 2.3.2, this cannot return | |
| 417 failure, but that looks like a bug. We | |
| 418 check for it with FcGetCurrentConfig(), | |
| 419 which *can* fail. */ | |
|
4758
75975fd0b7fc
Implement more of the fontconfig API.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4757
diff
changeset
|
420 if (!FcConfigGetCurrent()) |
| 3659 | 421 stderr_out ("Failed fontconfig initialization\n"); |
| 422 else | |
| 423 { | |
| 424 FcPattern *fontxft; /* long-lived, freed at end of this block */ | |
| 425 FcResult fcresult; | |
| 426 FcConfig *fcc; | |
| 427 FcChar8 *lang = (FcChar8 *) "en"; /* #### fix this bogus hack! */ | |
| 428 FcCharSet *fccs = NULL; | |
| 429 DECLARE_EISTRING (eistr_shortname); /* user-friendly nickname */ | |
| 430 DECLARE_EISTRING (eistr_longname); /* omit FC_LANG and FC_CHARSET */ | |
| 431 DECLARE_EISTRING (eistr_fullname); /* everything */ | |
| 432 | |
| 433 LISP_STRING_TO_EXTERNAL (font, patternext, Qfc_font_name_encoding); | |
| 434 fcc = FcConfigGetCurrent (); | |
| 435 | |
| 436 /* parse the name, do the substitutions, and match the font */ | |
| 437 | |
| 438 { | |
| 439 FcPattern *p = FcNameParse ((FcChar8 *) patternext); | |
| 440 PRINT_XFT_PATTERN (3, "FcNameParse'ed name is %s\n", p); | |
| 441 /* #### Next two return FcBool, but what does the return mean? */ | |
| 442 /* The order is correct according the fontconfig docs. */ | |
| 443 FcConfigSubstitute (fcc, p, FcMatchPattern); | |
| 444 PRINT_XFT_PATTERN (2, "FcConfigSubstitute'ed name is %s\n", p); | |
| 445 FcDefaultSubstitute (p); | |
| 446 PRINT_XFT_PATTERN (3, "FcDefaultSubstitute'ed name is %s\n", p); | |
| 447 /* #### check fcresult of following match? */ | |
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448 fcresult = FcResultMatch; |
| 3659 | 449 fontxft = FcFontMatch (fcc, p, &fcresult); |
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450 switch (fcresult) |
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451 { |
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452 /* case FcResultOutOfMemory: */ |
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453 case FcResultNoMatch: |
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454 case FcResultTypeMismatch: |
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455 case FcResultNoId: |
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456 break; |
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457 case FcResultMatch: |
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458 /* this prints the long fontconfig name */ |
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459 PRINT_XFT_PATTERN (1, "FcFontMatch'ed name is %s\n", fontxft); |
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460 break; |
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461 } |
| 3659 | 462 FcPatternDestroy (p); |
| 463 } | |
| 464 | |
| 465 /* heuristic to give reasonable-length names for debug reports | |
| 466 | |
| 467 I considered #ifdef SUPPORT_FULL_FONTCONFIG_NAME etc but that's | |
| 468 pointless. We're just going to remove this code once the font/ | |
| 469 face refactoring is done, but until then it could be very useful. | |
| 470 */ | |
| 471 { | |
| 472 FcPattern *p = FcFontRenderPrepare (fcc, fontxft, fontxft); | |
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473 Extbyte *name; |
| 3659 | 474 |
| 475 /* full name, including language coverage and repertoire */ | |
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476 name = (Extbyte *) FcNameUnparse (p); |
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477 eicpy_ext (eistr_fullname, |
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478 (name ? name : "NOT FOUND"), |
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479 Qfc_font_name_encoding); |
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480 if (name) free (name); |
| 3659 | 481 |
| 482 /* long name, omitting coverage and repertoire, plus a number | |
| 483 of rarely useful properties */ | |
| 484 FcPatternDel (p, FC_CHARSET); | |
| 485 FcPatternDel (p, FC_LANG); | |
| 3841 | 486 #ifdef FC_WIDTH |
| 3659 | 487 FcPatternDel (p, FC_WIDTH); |
| 3841 | 488 #endif |
| 3659 | 489 FcPatternDel (p, FC_SPACING); |
| 490 FcPatternDel (p, FC_HINTING); | |
| 491 FcPatternDel (p, FC_VERTICAL_LAYOUT); | |
| 492 FcPatternDel (p, FC_AUTOHINT); | |
| 493 FcPatternDel (p, FC_GLOBAL_ADVANCE); | |
| 494 FcPatternDel (p, FC_INDEX); | |
| 495 FcPatternDel (p, FC_SCALE); | |
| 496 FcPatternDel (p, FC_FONTVERSION); | |
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497 name = (Extbyte *) FcNameUnparse (p); |
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498 eicpy_ext (eistr_longname, |
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499 (name ? name : "NOT FOUND"), |
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500 Qfc_font_name_encoding); |
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501 if (name) free (name); |
| 3659 | 502 |
| 503 /* nickname, just family and size, but | |
| 504 "family" names usually have style, slant, and weight */ | |
| 505 FcPatternDel (p, FC_FOUNDRY); | |
| 506 FcPatternDel (p, FC_STYLE); | |
| 507 FcPatternDel (p, FC_SLANT); | |
| 508 FcPatternDel (p, FC_WEIGHT); | |
| 509 FcPatternDel (p, FC_PIXEL_SIZE); | |
| 510 FcPatternDel (p, FC_OUTLINE); | |
| 511 FcPatternDel (p, FC_SCALABLE); | |
| 512 FcPatternDel (p, FC_DPI); | |
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513 name = (Extbyte *) FcNameUnparse (p); |
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514 eicpy_ext (eistr_shortname, |
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515 (name ? name : "NOT FOUND"), |
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516 Qfc_font_name_encoding); |
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517 if (name) free (name); |
| 3659 | 518 |
| 519 FcPatternDestroy (p); | |
| 520 } | |
| 521 | |
| 522 /* The language approach may better in the long run, but we can't use | |
| 523 it based on Mule charsets; fontconfig doesn't provide a way to test | |
| 524 for unions of languages, etc. That will require support from the | |
| 525 text module. | |
| 526 | |
| 527 Optimization: cache the generated FcCharSet in the Mule charset. | |
| 528 Don't forget to destroy it if the Mule charset gets deallocated. */ | |
| 529 | |
| 530 { | |
| 531 /* This block possibly should be a function, but it generates | |
| 532 multiple values. I find the "pass an address to return the | |
| 533 value in" idiom opaque, so prefer a block. */ | |
| 534 struct charset_reporter *cr; | |
| 535 for (cr = charset_table; | |
| 536 cr->charset && !EQ (*(cr->charset), charset); | |
| 537 cr++) | |
| 538 ; | |
| 539 | |
| 540 if (cr->rfc3066) | |
| 541 { | |
| 542 DECLARE_DEBUG_FONTNAME (name); | |
| 543 CHECKING_LANG (0, eidata(name), cr->language); | |
| 544 lang = (FcChar8 *) cr->rfc3066; | |
| 545 } | |
| 546 else if (cr->charset) | |
| 547 { | |
| 548 /* what the hey, build 'em on the fly */ | |
| 549 /* #### in the case of error this could return NULL! */ | |
| 550 fccs = mule_to_fc_charset (charset); | |
| 551 lang = (FcChar8 *) XSTRING_DATA (XSYMBOL | |
| 552 (XCHARSET_NAME (charset))-> name); | |
| 553 } | |
| 554 else | |
| 555 { | |
| 556 /* OK, we fell off the end of the table */ | |
| 557 warn_when_safe_lispobj (intern ("xft"), intern ("alert"), | |
| 558 list2 (build_string ("unchecked charset"), | |
| 559 charset)); | |
| 560 /* default to "en" | |
| 561 #### THIS IS WRONG, WRONG, WRONG!! | |
| 562 It is why we never fall through to XLFD-checking. */ | |
| 563 } | |
| 564 | |
| 565 ASSERT_ASCTEXT_ASCII((Extbyte *) lang); | |
| 566 | |
| 567 if (fccs) | |
| 568 { | |
| 569 /* check for character set coverage */ | |
| 570 int i = 0; | |
| 571 FcCharSet *v; | |
| 572 FcResult r = FcPatternGetCharSet (fontxft, FC_CHARSET, i, &v); | |
| 573 | |
| 574 if (r == FcResultTypeMismatch) | |
| 575 { | |
| 576 DEBUG_XFT0 (0, "Unexpected type return in charset value\n"); | |
| 577 result = Qnil; | |
| 578 } | |
| 579 else if (r == FcResultMatch && FcCharSetIsSubset (fccs, v)) | |
| 580 { | |
| 581 /* The full pattern with the bitmap coverage is massively | |
| 582 unwieldy, but the shorter names are just *wrong*. We | |
| 583 should have the full thing internally as truename, and | |
| 584 filter stuff the client doesn't want to see on output. | |
| 585 Should we just store it into the truename right here? */ | |
| 586 DECLARE_DEBUG_FONTNAME (name); | |
| 587 DEBUG_XFT2 (0, "Xft font %s supports %s\n", | |
| 588 eidata(name), lang); | |
| 589 #ifdef RETURN_LONG_FONTCONFIG_NAMES | |
| 590 result = eimake_string(eistr_fullname); | |
| 591 #else | |
| 592 result = eimake_string(eistr_longname); | |
| 593 #endif | |
| 594 } | |
| 595 else | |
| 596 { | |
| 597 DECLARE_DEBUG_FONTNAME (name); | |
| 598 DEBUG_XFT2 (0, "Xft font %s doesn't support %s\n", | |
| 599 eidata(name), lang); | |
| 600 result = Qnil; | |
| 601 } | |
| 602 | |
| 603 /* clean up */ | |
| 604 FcCharSetDestroy (fccs); | |
| 605 } | |
| 606 else | |
| 607 { | |
| 608 /* check for language coverage */ | |
| 609 int i = 0; | |
| 610 FcValue v; | |
| 611 /* the main event */ | |
| 612 FcResult r = FcPatternGet (fontxft, FC_LANG, i, &v); | |
| 613 | |
| 614 if (r == FcResultMatch) | |
| 615 { | |
| 616 if (v.type != FcTypeLangSet) /* excessive paranoia */ | |
| 617 { | |
| 618 ASSERT_ASCTEXT_ASCII(FcTypeOfValueToString(v)); | |
| 619 /* Urk! Fall back and punt to core font. */ | |
| 620 DEBUG_XFT1 (0, "Unexpected type of lang value (%s)\n", | |
| 621 FcTypeOfValueToString (v)); | |
| 622 result = Qnil; | |
| 623 } | |
| 624 else if (FcLangSetHasLang (v.u.l, lang) != FcLangDifferentLang) | |
| 625 { | |
| 626 DECLARE_DEBUG_FONTNAME (name); | |
| 627 DEBUG_XFT2 (0, "Xft font %s supports %s\n", | |
| 628 eidata(name), lang); | |
| 629 #ifdef RETURN_LONG_FONTCONFIG_NAMES | |
| 630 result = eimake_string(eistr_fullname); | |
| 631 #else | |
| 632 result = eimake_string(eistr_longname); | |
| 633 #endif | |
| 634 } | |
| 635 else | |
| 636 { | |
| 637 DECLARE_DEBUG_FONTNAME (name); | |
| 638 DEBUG_XFT2 (0, "Xft font %s doesn't support %s\n", | |
| 639 eidata(name), lang); | |
| 640 result = Qnil; | |
| 641 } | |
| 642 } | |
| 643 else | |
| 644 { | |
| 645 ASSERT_ASCTEXT_ASCII(FcResultToString(r)); | |
| 646 DEBUG_XFT1 (0, "Getting lang: unexpected result=%s\n", | |
| 647 FcResultToString (r)); | |
| 648 result = Qnil; | |
| 649 } | |
| 650 } | |
| 651 | |
| 652 /* clean up and maybe return */ | |
| 653 FcPatternDestroy (fontxft); | |
| 654 if (!UNBOUNDP (result)) | |
| 655 return result; | |
| 656 } | |
| 657 } | |
| 658 return Qnil; | |
| 659 } | |
| 660 #undef DECLARE_DEBUG_FONTNAME | |
| 661 | |
| 662 #endif /* USE_XFT */ | |
| 663 | |
| 664 /* find a font spec that matches font spec FONT and also matches | |
| 665 (the registry of) CHARSET. */ | |
| 666 static Lisp_Object | |
| 667 #ifdef THIS_IS_GTK | |
| 668 gtk_find_charset_font (Lisp_Object device, Lisp_Object font, | |
| 669 Lisp_Object charset, | |
| 670 enum font_specifier_matchspec_stages stage) | |
| 671 #else | |
| 672 x_find_charset_font (Lisp_Object device, Lisp_Object font, Lisp_Object charset, | |
| 673 enum font_specifier_matchspec_stages stage) | |
| 674 #endif | |
| 675 { | |
| 676 Lisp_Object result = Qnil, registries = Qnil; | |
| 677 int j, hyphen_count, registries_len = 0; | |
| 678 Ibyte *hyphening, *new_hyphening; | |
| 679 Bytecount xlfd_length; | |
| 680 | |
| 681 DECLARE_EISTRING(ei_xlfd_without_registry); | |
| 682 DECLARE_EISTRING(ei_xlfd); | |
| 683 | |
| 684 #ifdef USE_XFT | |
| 685 result = xft_find_charset_font(font, charset, stage); | |
| 686 if (!NILP(result)) | |
| 687 { | |
| 688 return result; | |
| 689 } | |
| 690 #endif | |
| 691 | |
| 692 switch (stage) | |
| 693 { | |
| 694 case initial: | |
| 695 { | |
| 696 if (!(NILP(XCHARSET_REGISTRIES(charset))) | |
| 697 && VECTORP(XCHARSET_REGISTRIES(charset))) | |
| 698 { | |
| 699 registries_len = XVECTOR_LENGTH(XCHARSET_REGISTRIES(charset)); | |
| 700 registries = XCHARSET_REGISTRIES(charset); | |
| 701 } | |
| 702 break; | |
| 703 } | |
| 704 case final: | |
| 705 { | |
| 706 registries_len = 1; | |
| 707 registries = Qunicode_registries; | |
| 708 break; | |
| 709 } | |
| 710 default: | |
| 711 { | |
| 712 assert(0); | |
| 713 break; | |
| 714 } | |
| 715 } | |
| 716 | |
| 717 eicpy_lstr(ei_xlfd, font); | |
| 718 hyphening = eidata(ei_xlfd); | |
| 719 xlfd_length = eilen(ei_xlfd); | |
| 720 | |
| 721 /* Count the hyphens in the string, moving new_hyphening to just after the | |
| 722 last one. */ | |
| 723 hyphen_count = count_hyphens(hyphening, xlfd_length, &new_hyphening); | |
| 724 | |
| 725 if (0 == registries_len || (5 > hyphen_count && | |
| 726 !(1 == xlfd_length && '*' == *hyphening))) | |
| 727 { | |
| 728 /* No proper XLFD specified, or we can't modify the pattern to change | |
| 729 the registry and encoding to match what we want, or we have no | |
| 730 information on the registry needed. */ | |
| 731 eito_external(ei_xlfd, Qx_font_name_encoding); | |
| 732 DEBUG_OBJECTS ("about to xlistfonts_checking_charset, XLFD %s\n", | |
| 733 eidata(ei_xlfd)); | |
| 734 result = xlistfonts_checking_charset (device, eiextdata(ei_xlfd), | |
| 735 charset, stage); | |
| 736 /* No need to loop through the available registries; return | |
| 737 immediately. */ | |
| 738 return result; | |
| 739 } | |
| 740 else if (1 == xlfd_length && '*' == *hyphening) | |
| 741 { | |
| 742 /* It's a single asterisk. We can add the registry directly to the | |
| 743 end. */ | |
| 744 eicpy_ch(ei_xlfd_without_registry, '*'); | |
| 745 } | |
| 746 else | |
| 747 { | |
| 748 /* It's a fully-specified XLFD. Work out where the registry and | |
| 749 encoding are, and initialise ei_xlfd_without_registry to the string | |
| 750 without them. */ | |
| 751 | |
| 752 /* count_hyphens has set new_hyphening to just after the last | |
| 753 hyphen. Move back to just after the hyphen before it. */ | |
| 754 | |
| 755 for (new_hyphening -= 2; new_hyphening > hyphening | |
| 756 && '-' != *new_hyphening; --new_hyphening) | |
| 757 ; | |
| 758 ++new_hyphening; | |
| 759 | |
| 760 eicpy_ei(ei_xlfd_without_registry, ei_xlfd); | |
| 761 | |
| 762 /* Manipulate ei_xlfd_without_registry, using the information about | |
| 763 ei_xlfd, to which it's identical. */ | |
| 764 eidel(ei_xlfd_without_registry, new_hyphening - hyphening, -1, | |
| 765 eilen(ei_xlfd) - (new_hyphening - hyphening), -1); | |
| 766 | |
| 767 } | |
| 768 | |
| 769 /* Now, loop through the registries and encodings defined for this | |
| 770 charset, doing an XListFonts each time with the pattern modified to | |
| 771 specify the regisry and encoding. This avoids huge amounts of IPC and | |
| 772 duplicated searching; now we use the searching the X server was doing | |
| 773 anyway, where before the X server did its search, transferred huge | |
| 774 amounts of data, and then we proceeded to do a regexp search on that | |
| 775 data. */ | |
| 776 for (j = 0; j < registries_len && NILP(result); ++j) | |
| 777 { | |
| 778 eireset(ei_xlfd); | |
| 779 eicpy_ei(ei_xlfd, ei_xlfd_without_registry); | |
| 780 | |
| 781 eicat_lstr(ei_xlfd, XVECTOR_DATA(registries)[j]); | |
| 782 | |
| 783 eito_external(ei_xlfd, Qx_font_name_encoding); | |
| 784 | |
| 785 DEBUG_OBJECTS ("about to xlistfonts_checking_charset, XLFD %s\n", | |
| 786 eidata(ei_xlfd)); | |
| 787 result = xlistfonts_checking_charset (device, eiextdata(ei_xlfd), | |
| 788 charset, stage); | |
| 789 } | |
| 790 | |
| 3676 | 791 /* In the event that the charset is ASCII and we haven't matched |
| 792 anything up to now, even with a pattern of "*", add "iso8859-1" | |
| 793 to the charset's registry and try again. Not returning a result | |
| 794 for ASCII means our frame geometry calculations are | |
| 795 inconsistent, and that we may crash. */ | |
| 796 | |
| 797 if (1 == xlfd_length && EQ(charset, Vcharset_ascii) && NILP(result) | |
| 798 && ('*' == eigetch(ei_xlfd_without_registry, 0))) | |
| 799 | |
| 800 { | |
| 801 int have_latin1 = 0; | |
| 802 | |
| 803 /* Set this to, for example, is08859-1 if you want to see the | |
| 804 error behaviour. */ | |
| 805 | |
| 806 #define FALLBACK_ASCII_REGISTRY "iso8859-1" | |
| 807 | |
| 808 for (j = 0; j < registries_len; ++j) | |
| 809 { | |
| 810 if (0 == qxestrcasecmp(XSTRING_DATA(XVECTOR_DATA(registries)[j]), | |
| 4124 | 811 (Ibyte *) FALLBACK_ASCII_REGISTRY)) |
| 3676 | 812 { |
| 813 have_latin1 = 1; | |
| 814 break; | |
| 815 } | |
| 816 } | |
| 817 | |
| 818 if (!have_latin1) | |
| 819 { | |
| 820 Lisp_Object new_registries = make_vector(registries_len + 1, Qnil); | |
| 821 | |
| 822 XVECTOR_DATA(new_registries)[0] | |
| 823 = build_string(FALLBACK_ASCII_REGISTRY); | |
| 824 | |
| 825 memcpy(XVECTOR_DATA(new_registries) + 1, | |
| 826 XVECTOR_DATA(registries), | |
| 827 sizeof XVECTOR_DATA(registries)[0] * | |
| 828 XVECTOR_LENGTH(registries)); | |
| 829 | |
| 830 /* Calling set_charset_registries instead of overwriting the | |
| 831 value directly, to allow the charset font caches to be | |
| 832 invalidated and a change to the default face to be | |
| 833 noted. */ | |
| 834 set_charset_registries(charset, new_registries); | |
| 835 | |
| 3680 | 836 warn_when_safe (Qface, Qwarning, |
| 837 "Your ASCII charset registries contain nothing " | |
| 838 "sensible. Adding `" FALLBACK_ASCII_REGISTRY "'."); | |
| 839 | |
| 3676 | 840 /* And recurse. */ |
| 841 result = | |
| 842 DEVMETH_OR_GIVEN (XDEVICE (device), find_charset_font, | |
| 843 (device, font, charset, stage), | |
| 844 result); | |
| 845 } | |
| 846 else | |
| 847 { | |
| 848 DECLARE_EISTRING (ei_connection_name); | |
| 849 | |
| 850 /* We preserve a copy of the connection name for the error message | |
| 851 after the device is deleted. */ | |
| 852 eicpy_lstr (ei_connection_name, | |
| 853 DEVICE_CONNECTION (XDEVICE(device))); | |
| 854 | |
| 855 stderr_out ("Cannot find a font for ASCII, deleting device on %s\n", | |
| 856 eidata (ei_connection_name)); | |
| 857 | |
| 858 io_error_delete_device (device); | |
| 859 | |
| 860 /* Do a normal warning in the event that we have other, non-X | |
| 861 frames available. (If we don't, io_error_delete_device will | |
| 862 have exited.) */ | |
| 863 warn_when_safe | |
| 864 (Qface, Qerror, | |
| 865 "Cannot find a font for ASCII, deleting device on %s.\n" | |
| 866 "\n" | |
| 867 "Your X server fonts appear to be inconsistent; fix them, or\n" | |
| 868 "the next frame you create on that DISPLAY will crash this\n" | |
| 869 "XEmacs. At a minimum, provide one font with an XLFD ending\n" | |
| 870 "in `" FALLBACK_ASCII_REGISTRY "', so we can work out what size\n" | |
| 871 "a frame should be. ", | |
| 872 eidata (ei_connection_name)); | |
| 873 } | |
| 874 | |
| 875 } | |
| 876 | |
| 3659 | 877 /* This function used to return the font spec, in the case where a font |
| 878 didn't exist on the X server but it did match the charset. We're not | |
| 879 doing that any more, because none of the other platform code does, and | |
| 880 the old behaviour was badly-judged in other respects, so I don't trust | |
| 881 the original author to have had a good reason for it. */ | |
| 882 | |
| 883 return result; | |
| 884 } | |
| 885 | |
| 886 #endif /* MULE */ |