Commit | Line | Data |
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4ed46869 | 1 | /* Fontset handler. |
95df8112 | 2 | |
ab422c4d | 3 | Copyright (C) 2001-2013 Free Software Foundation, Inc. |
95df8112 GM |
4 | Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, |
5 | 2005, 2006, 2007, 2008, 2009, 2010, 2011 | |
6 | National Institute of Advanced Industrial Science and Technology (AIST) | |
7 | Registration Number H14PRO021 | |
8 | Copyright (C) 2003, 2006 | |
9 | National Institute of Advanced Industrial Science and Technology (AIST) | |
10 | Registration Number H13PRO009 | |
eb152aa9 | 11 | |
369314dc KH |
12 | This file is part of GNU Emacs. |
13 | ||
9ec0b715 | 14 | GNU Emacs is free software: you can redistribute it and/or modify |
369314dc | 15 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
16 | the Free Software Foundation, either version 3 of the License, or |
17 | (at your option) any later version. | |
4ed46869 | 18 | |
369314dc KH |
19 | GNU Emacs is distributed in the hope that it will be useful, |
20 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
21 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
22 | GNU General Public License for more details. | |
4ed46869 | 23 | |
369314dc | 24 | You should have received a copy of the GNU General Public License |
9ec0b715 | 25 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
4ed46869 KH |
26 | |
27 | #include <config.h> | |
0d407d77 | 28 | #include <stdio.h> |
0d407d77 | 29 | |
4ed46869 | 30 | #include "lisp.h" |
06f76f0d | 31 | #include "blockinput.h" |
06f76f0d | 32 | #include "character.h" |
e5560ff7 | 33 | #include "buffer.h" |
4ed46869 KH |
34 | #include "charset.h" |
35 | #include "ccl.h" | |
2538fae4 | 36 | #include "keyboard.h" |
4ed46869 | 37 | #include "frame.h" |
0d407d77 | 38 | #include "dispextern.h" |
e1a14cdc | 39 | #include "intervals.h" |
3541bb8f | 40 | #include "fontset.h" |
0d407d77 | 41 | #include "window.h" |
92c15c34 KH |
42 | #ifdef HAVE_X_WINDOWS |
43 | #include "xterm.h" | |
44 | #endif | |
0fda9b75 | 45 | #ifdef HAVE_NTGUI |
92c15c34 KH |
46 | #include "w32term.h" |
47 | #endif | |
edfda783 AR |
48 | #ifdef HAVE_NS |
49 | #include "nsterm.h" | |
50 | #endif | |
fa971ac3 | 51 | #include "termhooks.h" |
0d407d77 | 52 | |
8aa07a8d | 53 | #include "font.h" |
8aa07a8d | 54 | |
0d407d77 KH |
55 | /* FONTSET |
56 | ||
57 | A fontset is a collection of font related information to give | |
1d5d7200 KH |
58 | similar appearance (style, etc) of characters. A fontset has two |
59 | roles. One is to use for the frame parameter `font' as if it is an | |
60 | ASCII font. In that case, Emacs uses the font specified for | |
61 | `ascii' script for the frame's default font. | |
62 | ||
63 | Another role, the more important one, is to provide information | |
64 | about which font to use for each non-ASCII character. | |
65 | ||
66 | There are two kinds of fontsets; base and realized. A base fontset | |
67 | is created by `new-fontset' from Emacs Lisp explicitly. A realized | |
68 | fontset is created implicitly when a face is realized for ASCII | |
69 | characters. A face is also realized for non-ASCII characters based | |
70 | on an ASCII face. All of non-ASCII faces based on the same ASCII | |
71 | face share the same realized fontset. | |
8f924df7 | 72 | |
06f76f0d KH |
73 | A fontset object is implemented by a char-table whose default value |
74 | and parent are always nil. | |
fc8865fc | 75 | |
1d5d7200 KH |
76 | An element of a base fontset is a vector of FONT-DEFs which itself |
77 | is a vector [ FONT-SPEC ENCODING REPERTORY ]. | |
78 | ||
f088b054 KH |
79 | An element of a realized fontset is nil, t, 0, or a vector of this |
80 | form: | |
7e1a1cd9 | 81 | |
581f7ac7 KH |
82 | [ CHARSET-ORDERED-LIST-TICK PREFERRED-RFONT-DEF |
83 | RFONT-DEF0 RFONT-DEF1 ... ] | |
0d407d77 | 84 | |
7e1a1cd9 | 85 | RFONT-DEFn (i.e. Realized FONT-DEF) has this form: |
0d407d77 | 86 | |
581f7ac7 | 87 | [ FACE-ID FONT-DEF FONT-OBJECT SORTING-SCORE ] |
0d407d77 | 88 | |
581f7ac7 | 89 | RFONT-DEFn are automatically reordered by the current charset |
1d5d7200 | 90 | priority list. |
0d407d77 | 91 | |
7e1a1cd9 KH |
92 | The value nil means that we have not yet generated the above vector |
93 | from the base of the fontset. | |
0d407d77 | 94 | |
1d5d7200 KH |
95 | The value t means that no font is available for the corresponding |
96 | range of characters. | |
0d407d77 | 97 | |
f088b054 KH |
98 | The value 0 means that no font is available for the corresponding |
99 | range of characters in this fontset, but may be available in the | |
100 | default fontset. | |
101 | ||
0d407d77 | 102 | |
eb36588a | 103 | A fontset has 9 extra slots. |
0d407d77 | 104 | |
1d5d7200 | 105 | The 1st slot: the ID number of the fontset |
0d407d77 | 106 | |
1d5d7200 KH |
107 | The 2nd slot: |
108 | base: the name of the fontset | |
109 | realized: nil | |
0d407d77 | 110 | |
1d5d7200 | 111 | The 3rd slot: |
d6aaac9e | 112 | base: nil |
1d5d7200 | 113 | realized: the base fontset |
06f76f0d | 114 | |
1d5d7200 KH |
115 | The 4th slot: |
116 | base: nil | |
117 | realized: the frame that the fontset belongs to | |
0d407d77 | 118 | |
1d5d7200 KH |
119 | The 5th slot: |
120 | base: the font name for ASCII characters | |
121 | realized: nil | |
0d407d77 | 122 | |
1d5d7200 KH |
123 | The 6th slot: |
124 | base: nil | |
125 | realized: the ID number of a face to use for characters that | |
126 | has no font in a realized fontset. | |
0d407d77 | 127 | |
1d5d7200 KH |
128 | The 7th slot: |
129 | base: nil | |
130 | realized: Alist of font index vs the corresponding repertory | |
131 | char-table. | |
eb152aa9 | 132 | |
d6aaac9e KH |
133 | The 8th slot: |
134 | base: nil | |
135 | realized: If the base is not the default fontset, a fontset | |
136 | realized from the default fontset, else nil. | |
1d5d7200 | 137 | |
eb36588a | 138 | The 9th slot: |
cc7b6145 KH |
139 | base: Same as element value (but for fallback fonts). |
140 | realized: Likewise. | |
eb36588a | 141 | |
1d5d7200 | 142 | All fontsets are recorded in the vector Vfontset_table. |
0d407d77 KH |
143 | |
144 | ||
145 | DEFAULT FONTSET | |
146 | ||
1d5d7200 KH |
147 | There's a special base fontset named `default fontset' which |
148 | defines the default font specifications. When a base fontset | |
149 | doesn't specify a font for a specific character, the corresponding | |
150 | value in the default fontset is used. | |
0d407d77 | 151 | |
afe93d01 KH |
152 | The parent of a realized fontset created for such a face that has |
153 | no fontset is the default fontset. | |
0d407d77 KH |
154 | |
155 | ||
156 | These structures are hidden from the other codes than this file. | |
157 | The other codes handle fontsets only by their ID numbers. They | |
06f76f0d | 158 | usually use the variable name `fontset' for IDs. But, in this |
c80e3b4a | 159 | file, we always use variable name `id' for IDs, and name `fontset' |
1d5d7200 | 160 | for an actual fontset object, i.e., char-table. |
0d407d77 KH |
161 | |
162 | */ | |
163 | ||
164 | /********** VARIABLES and FUNCTION PROTOTYPES **********/ | |
165 | ||
d6aaac9e KH |
166 | static Lisp_Object Qfontset; |
167 | static Lisp_Object Qfontset_info; | |
1d5d7200 | 168 | static Lisp_Object Qprepend, Qappend; |
ef6e0694 | 169 | Lisp_Object Qlatin; |
0d407d77 KH |
170 | |
171 | /* Vector containing all fontsets. */ | |
172 | static Lisp_Object Vfontset_table; | |
173 | ||
fc8865fc | 174 | /* Next possibly free fontset ID. Usually this keeps the minimum |
0d407d77 KH |
175 | fontset ID not yet used. */ |
176 | static int next_fontset_id; | |
177 | ||
178 | /* The default fontset. This gives default FAMILY and REGISTRY of | |
06f76f0d | 179 | font for each character. */ |
0d407d77 | 180 | static Lisp_Object Vdefault_fontset; |
4ed46869 | 181 | |
4ed46869 | 182 | /* Check if any window system is used now. */ |
f57e2426 | 183 | void (*check_window_system_func) (void); |
4ed46869 | 184 | |
0d407d77 KH |
185 | |
186 | /* Prototype declarations for static functions. */ | |
f57e2426 | 187 | static Lisp_Object make_fontset (Lisp_Object, Lisp_Object, Lisp_Object); |
2449d4d0 | 188 | |
a864ef14 | 189 | /* Return true if ID is a valid fontset id. |
e509cfa6 | 190 | Optimized away if ENABLE_CHECKING is not defined. */ |
556383ac | 191 | |
a864ef14 | 192 | static bool |
ef1b0ba7 | 193 | fontset_id_valid_p (int id) |
556383ac KH |
194 | { |
195 | return (id >= 0 && id < ASIZE (Vfontset_table) - 1); | |
196 | } | |
197 | ||
0d407d77 KH |
198 | |
199 | \f | |
200 | /********** MACROS AND FUNCTIONS TO HANDLE FONTSET **********/ | |
201 | ||
0d407d77 KH |
202 | /* Return the fontset with ID. No check of ID's validness. */ |
203 | #define FONTSET_FROM_ID(id) AREF (Vfontset_table, id) | |
204 | ||
d0d2d26f | 205 | /* Access special values of FONTSET. */ |
6d470bdd DA |
206 | |
207 | #define FONTSET_ID(fontset) XCHAR_TABLE (fontset)->extras[0] | |
d0d2d26f PE |
208 | static void |
209 | set_fontset_id (Lisp_Object fontset, Lisp_Object id) | |
210 | { | |
211 | set_char_table_extras (fontset, 0, id); | |
212 | } | |
06f76f0d | 213 | |
d0d2d26f | 214 | /* Access special values of (base) FONTSET. */ |
6d470bdd DA |
215 | |
216 | #define FONTSET_NAME(fontset) XCHAR_TABLE (fontset)->extras[1] | |
d0d2d26f PE |
217 | static void |
218 | set_fontset_name (Lisp_Object fontset, Lisp_Object name) | |
219 | { | |
220 | set_char_table_extras (fontset, 1, name); | |
221 | } | |
6d470bdd DA |
222 | |
223 | #define FONTSET_ASCII(fontset) XCHAR_TABLE (fontset)->extras[4] | |
d0d2d26f PE |
224 | static void |
225 | set_fontset_ascii (Lisp_Object fontset, Lisp_Object ascii) | |
226 | { | |
227 | set_char_table_extras (fontset, 4, ascii); | |
228 | } | |
06f76f0d | 229 | |
d0d2d26f | 230 | /* Access special values of (realized) FONTSET. */ |
6d470bdd DA |
231 | |
232 | #define FONTSET_BASE(fontset) XCHAR_TABLE (fontset)->extras[2] | |
d0d2d26f PE |
233 | static void |
234 | set_fontset_base (Lisp_Object fontset, Lisp_Object base) | |
235 | { | |
236 | set_char_table_extras (fontset, 2, base); | |
237 | } | |
6d470bdd DA |
238 | |
239 | #define FONTSET_FRAME(fontset) XCHAR_TABLE (fontset)->extras[3] | |
d0d2d26f PE |
240 | static void |
241 | set_fontset_frame (Lisp_Object fontset, Lisp_Object frame) | |
242 | { | |
243 | set_char_table_extras (fontset, 3, frame); | |
244 | } | |
6d470bdd DA |
245 | |
246 | #define FONTSET_NOFONT_FACE(fontset) XCHAR_TABLE (fontset)->extras[5] | |
d0d2d26f PE |
247 | static void |
248 | set_fontset_nofont_face (Lisp_Object fontset, Lisp_Object face) | |
249 | { | |
250 | set_char_table_extras (fontset, 5, face); | |
251 | } | |
6d470bdd DA |
252 | |
253 | #define FONTSET_DEFAULT(fontset) XCHAR_TABLE (fontset)->extras[7] | |
d0d2d26f PE |
254 | static void |
255 | set_fontset_default (Lisp_Object fontset, Lisp_Object def) | |
256 | { | |
257 | set_char_table_extras (fontset, 7, def); | |
258 | } | |
eb36588a | 259 | |
cc7b6145 | 260 | /* For both base and realized fontset. */ |
0d407d77 | 261 | |
6d470bdd | 262 | #define FONTSET_FALLBACK(fontset) XCHAR_TABLE (fontset)->extras[8] |
d0d2d26f PE |
263 | static void |
264 | set_fontset_fallback (Lisp_Object fontset, Lisp_Object fallback) | |
265 | { | |
266 | set_char_table_extras (fontset, 8, fallback); | |
267 | } | |
0d407d77 | 268 | |
6d470bdd | 269 | #define BASE_FONTSET_P(fontset) (NILP (FONTSET_BASE (fontset))) |
0d407d77 | 270 | |
581f7ac7 KH |
271 | /* Macros for FONT-DEF and RFONT-DEF of fontset. */ |
272 | #define FONT_DEF_NEW(font_def, font_spec, encoding, repertory) \ | |
273 | do { \ | |
25721f5b DA |
274 | (font_def) = make_uninit_vector (3); \ |
275 | ASET ((font_def), 0, font_spec); \ | |
581f7ac7 KH |
276 | ASET ((font_def), 1, encoding); \ |
277 | ASET ((font_def), 2, repertory); \ | |
278 | } while (0) | |
279 | ||
280 | #define FONT_DEF_SPEC(font_def) AREF (font_def, 0) | |
281 | #define FONT_DEF_ENCODING(font_def) AREF (font_def, 1) | |
282 | #define FONT_DEF_REPERTORY(font_def) AREF (font_def, 2) | |
283 | ||
284 | #define RFONT_DEF_FACE(rfont_def) AREF (rfont_def, 0) | |
285 | #define RFONT_DEF_SET_FACE(rfont_def, face_id) \ | |
286 | ASET ((rfont_def), 0, make_number (face_id)) | |
287 | #define RFONT_DEF_FONT_DEF(rfont_def) AREF (rfont_def, 1) | |
288 | #define RFONT_DEF_SPEC(rfont_def) FONT_DEF_SPEC (AREF (rfont_def, 1)) | |
581f7ac7 KH |
289 | #define RFONT_DEF_OBJECT(rfont_def) AREF (rfont_def, 2) |
290 | #define RFONT_DEF_SET_OBJECT(rfont_def, object) \ | |
291 | ASET ((rfont_def), 2, (object)) | |
9dfdbc0a KH |
292 | /* Score of RFONT_DEF is an integer value; the lowest 8 bits represent |
293 | the order of listing by font backends, the higher bits represents | |
294 | the order given by charset priority list. The smaller value is | |
295 | preferable. */ | |
581f7ac7 KH |
296 | #define RFONT_DEF_SCORE(rfont_def) XINT (AREF (rfont_def, 3)) |
297 | #define RFONT_DEF_SET_SCORE(rfont_def, score) \ | |
298 | ASET ((rfont_def), 3, make_number (score)) | |
299 | #define RFONT_DEF_NEW(rfont_def, font_def) \ | |
300 | do { \ | |
301 | (rfont_def) = Fmake_vector (make_number (4), Qnil); \ | |
6d470bdd | 302 | ASET ((rfont_def), 1, (font_def)); \ |
581f7ac7 KH |
303 | RFONT_DEF_SET_SCORE ((rfont_def), 0); \ |
304 | } while (0) | |
305 | ||
306 | ||
1d5d7200 KH |
307 | /* Return the element of FONTSET for the character C. If FONTSET is a |
308 | base fontset other then the default fontset and FONTSET doesn't | |
309 | contain information for C, return the information in the default | |
310 | fontset. */ | |
0d407d77 | 311 | |
1d5d7200 KH |
312 | #define FONTSET_REF(fontset, c) \ |
313 | (EQ (fontset, Vdefault_fontset) \ | |
314 | ? CHAR_TABLE_REF (fontset, c) \ | |
315 | : fontset_ref ((fontset), (c))) | |
0d407d77 | 316 | |
afe93d01 | 317 | static Lisp_Object |
971de7fb | 318 | fontset_ref (Lisp_Object fontset, int c) |
0d407d77 | 319 | { |
06f76f0d KH |
320 | Lisp_Object elt; |
321 | ||
1d5d7200 KH |
322 | elt = CHAR_TABLE_REF (fontset, c); |
323 | if (NILP (elt) && ! EQ (fontset, Vdefault_fontset) | |
324 | /* Don't check Vdefault_fontset for a realized fontset. */ | |
325 | && NILP (FONTSET_BASE (fontset))) | |
326 | elt = CHAR_TABLE_REF (Vdefault_fontset, c); | |
0d407d77 KH |
327 | return elt; |
328 | } | |
329 | ||
1d5d7200 KH |
330 | /* Set elements of FONTSET for characters in RANGE to the value ELT. |
331 | RANGE is a cons (FROM . TO), where FROM and TO are character codes | |
332 | specifying a range. */ | |
333 | ||
334 | #define FONTSET_SET(fontset, range, elt) \ | |
335 | Fset_char_table_range ((fontset), (range), (elt)) | |
336 | ||
0d407d77 | 337 | |
1d5d7200 | 338 | /* Modify the elements of FONTSET for characters in RANGE by replacing |
6bad8007 | 339 | with ELT or adding ELT. RANGE is a cons (FROM . TO), where FROM |
1d5d7200 KH |
340 | and TO are character codes specifying a range. If ADD is nil, |
341 | replace with ELT, if ADD is `prepend', prepend ELT, otherwise, | |
342 | append ELT. */ | |
343 | ||
6d470bdd DA |
344 | #define FONTSET_ADD(fontset, range, elt, add) \ |
345 | (NILP (add) \ | |
346 | ? (NILP (range) \ | |
d0d2d26f | 347 | ? (set_fontset_fallback \ |
6d470bdd | 348 | (fontset, Fmake_vector (make_number (1), (elt)))) \ |
d733ec6d PE |
349 | : ((void) \ |
350 | Fset_char_table_range (fontset, range, \ | |
351 | Fmake_vector (make_number (1), elt)))) \ | |
1d5d7200 | 352 | : fontset_add ((fontset), (range), (elt), (add))) |
0d407d77 | 353 | |
d733ec6d | 354 | static void |
971de7fb | 355 | fontset_add (Lisp_Object fontset, Lisp_Object range, Lisp_Object elt, Lisp_Object add) |
06f76f0d | 356 | { |
eb36588a KH |
357 | Lisp_Object args[2]; |
358 | int idx = (EQ (add, Qappend) ? 0 : 1); | |
359 | ||
360 | args[1 - idx] = Fmake_vector (make_number (1), elt); | |
361 | ||
362 | if (CONSP (range)) | |
363 | { | |
364 | int from = XINT (XCAR (range)); | |
365 | int to = XINT (XCDR (range)); | |
366 | int from1, to1; | |
367 | ||
368 | do { | |
5b30be1a | 369 | from1 = from, to1 = to; |
eb36588a | 370 | args[idx] = char_table_ref_and_range (fontset, from, &from1, &to1); |
eb36588a KH |
371 | char_table_set_range (fontset, from, to1, |
372 | NILP (args[idx]) ? args[1 - idx] | |
373 | : Fvconcat (2, args)); | |
374 | from = to1 + 1; | |
375 | } while (from < to); | |
376 | } | |
377 | else | |
378 | { | |
379 | args[idx] = FONTSET_FALLBACK (fontset); | |
d0d2d26f | 380 | set_fontset_fallback |
6d470bdd | 381 | (fontset, NILP (args[idx]) ? args[1 - idx] : Fvconcat (2, args)); |
eb36588a | 382 | } |
1d5d7200 KH |
383 | } |
384 | ||
581f7ac7 | 385 | static int |
971de7fb | 386 | fontset_compare_rfontdef (const void *val1, const void *val2) |
581f7ac7 | 387 | { |
41ad6003 KH |
388 | return (RFONT_DEF_SCORE (*(Lisp_Object *) val1) |
389 | - RFONT_DEF_SCORE (*(Lisp_Object *) val2)); | |
581f7ac7 | 390 | } |
1d5d7200 | 391 | |
ea0162a6 | 392 | /* Update FONT-GROUP which has this form: |
581f7ac7 KH |
393 | [ CHARSET-ORDERED-LIST-TICK PREFERRED-RFONT-DEF |
394 | RFONT-DEF0 RFONT-DEF1 ... ] | |
20746fe4 | 395 | Reorder RFONT-DEFs according to the current language, and update |
581f7ac7 KH |
396 | CHARSET-ORDERED-LIST-TICK. |
397 | ||
398 | If PREFERRED_FAMILY is not nil, that family has the higher priority | |
399 | if the encoding charsets or languages in font-specs are the same. */ | |
400 | ||
0d407d77 | 401 | static void |
971de7fb | 402 | reorder_font_vector (Lisp_Object font_group, struct font *font) |
1d5d7200 | 403 | { |
41ad6003 | 404 | Lisp_Object vec, font_object; |
1d5d7200 | 405 | int size; |
581f7ac7 | 406 | int i; |
a864ef14 | 407 | bool score_changed = 0; |
1d5d7200 | 408 | |
41ad6003 KH |
409 | if (font) |
410 | XSETFONT (font_object, font); | |
411 | else | |
412 | font_object = Qnil; | |
413 | ||
414 | vec = XCDR (font_group); | |
415 | size = ASIZE (vec); | |
416 | /* Exclude the tailing nil element from the reordering. */ | |
417 | if (NILP (AREF (vec, size - 1))) | |
418 | size--; | |
581f7ac7 KH |
419 | |
420 | for (i = 0; i < size; i++) | |
6bad8007 | 421 | { |
41ad6003 | 422 | Lisp_Object rfont_def = AREF (vec, i); |
581f7ac7 KH |
423 | Lisp_Object font_def = RFONT_DEF_FONT_DEF (rfont_def); |
424 | Lisp_Object font_spec = FONT_DEF_SPEC (font_def); | |
41ad6003 | 425 | int score = RFONT_DEF_SCORE (rfont_def) & 0xFF; |
9dfdbc0a | 426 | Lisp_Object otf_spec = Ffont_get (font_spec, QCotf); |
581f7ac7 | 427 | |
9dfdbc0a KH |
428 | if (! NILP (otf_spec)) |
429 | /* A font-spec with :otf is preferable regardless of encoding | |
430 | and language.. */ | |
431 | ; | |
432 | else if (! font_match_p (font_spec, font_object)) | |
eb152aa9 | 433 | { |
cd872f08 | 434 | Lisp_Object encoding = FONT_DEF_ENCODING (font_def); |
581f7ac7 | 435 | |
cd872f08 | 436 | if (! NILP (encoding)) |
41ad6003 KH |
437 | { |
438 | Lisp_Object tail; | |
581f7ac7 | 439 | |
41ad6003 KH |
440 | for (tail = Vcharset_ordered_list; |
441 | ! EQ (tail, Vcharset_non_preferred_head) && CONSP (tail); | |
d311d28c | 442 | tail = XCDR (tail)) |
cd872f08 | 443 | if (EQ (encoding, XCAR (tail))) |
41ad6003 | 444 | break; |
2972b14b | 445 | else if (score <= min (INT_MAX, MOST_POSITIVE_FIXNUM) - 0x100) |
d311d28c | 446 | score += 0x100; |
41ad6003 KH |
447 | } |
448 | else | |
449 | { | |
450 | Lisp_Object lang = Ffont_get (font_spec, QClang); | |
451 | ||
452 | if (! NILP (lang) | |
453 | && ! EQ (lang, Vcurrent_iso639_language) | |
454 | && (! CONSP (Vcurrent_iso639_language) | |
455 | || NILP (Fmemq (lang, Vcurrent_iso639_language)))) | |
456 | score |= 0x100; | |
457 | } | |
ea0162a6 | 458 | } |
581f7ac7 | 459 | if (RFONT_DEF_SCORE (rfont_def) != score) |
ea0162a6 | 460 | { |
581f7ac7 KH |
461 | RFONT_DEF_SET_SCORE (rfont_def, score); |
462 | score_changed = 1; | |
ea0162a6 | 463 | } |
6bad8007 | 464 | } |
1d5d7200 | 465 | |
581f7ac7 | 466 | if (score_changed) |
663e2b3f | 467 | qsort (XVECTOR (vec)->contents, size, word_size, |
581f7ac7 | 468 | fontset_compare_rfontdef); |
41ad6003 KH |
469 | XSETCAR (font_group, make_number (charset_ordered_list_tick)); |
470 | } | |
471 | ||
f084f942 KH |
472 | /* Return a font-group (actually a cons (-1 . FONT-GROUP-VECTOR)) for |
473 | character C in FONTSET. If C is -1, return a fallback font-group. | |
474 | If C is not -1, the value may be Qt (FONTSET doesn't have a font | |
ea180610 | 475 | for C even in the fallback group), or 0 (a font for C may be found |
f084f942 KH |
476 | only in the fallback group). */ |
477 | ||
41ad6003 | 478 | static Lisp_Object |
3cba9369 | 479 | fontset_get_font_group (Lisp_Object fontset, int c) |
41ad6003 KH |
480 | { |
481 | Lisp_Object font_group; | |
482 | Lisp_Object base_fontset; | |
5b30be1a | 483 | int from = 0, to = MAX_CHAR, i; |
28e2436a | 484 | |
a54e2c05 | 485 | eassert (! BASE_FONTSET_P (fontset)); |
41ad6003 KH |
486 | if (c >= 0) |
487 | font_group = CHAR_TABLE_REF (fontset, c); | |
488 | else | |
489 | font_group = FONTSET_FALLBACK (fontset); | |
490 | if (! NILP (font_group)) | |
491 | return font_group; | |
492 | base_fontset = FONTSET_BASE (fontset); | |
ea180610 AS |
493 | if (NILP (base_fontset)) |
494 | font_group = Qnil; | |
495 | else if (c >= 0) | |
41ad6003 KH |
496 | font_group = char_table_ref_and_range (base_fontset, c, &from, &to); |
497 | else | |
498 | font_group = FONTSET_FALLBACK (base_fontset); | |
499 | if (NILP (font_group)) | |
f088b054 | 500 | { |
f084f942 | 501 | font_group = make_number (0); |
f088b054 | 502 | if (c >= 0) |
f084f942 KH |
503 | char_table_set_range (fontset, from, to, font_group); |
504 | return font_group; | |
f088b054 | 505 | } |
ea180610 AS |
506 | if (!VECTORP (font_group)) |
507 | return font_group; | |
41ad6003 KH |
508 | font_group = Fcopy_sequence (font_group); |
509 | for (i = 0; i < ASIZE (font_group); i++) | |
510 | if (! NILP (AREF (font_group, i))) | |
511 | { | |
512 | Lisp_Object rfont_def; | |
513 | ||
514 | RFONT_DEF_NEW (rfont_def, AREF (font_group, i)); | |
515 | /* Remember the original order. */ | |
516 | RFONT_DEF_SET_SCORE (rfont_def, i); | |
517 | ASET (font_group, i, rfont_def); | |
518 | } | |
519 | font_group = Fcons (make_number (-1), font_group); | |
520 | if (c >= 0) | |
521 | char_table_set_range (fontset, from, to, font_group); | |
522 | else | |
d0d2d26f | 523 | set_fontset_fallback (fontset, font_group); |
41ad6003 | 524 | return font_group; |
0d407d77 KH |
525 | } |
526 | ||
7e1a1cd9 | 527 | /* Return RFONT-DEF (vector) in the realized fontset FONTSET for the |
d67f7f1a KH |
528 | character C. If no font is found, return Qnil if there's a |
529 | possibility that the default fontset or the fallback font groups | |
530 | have a proper font, and return Qt if not. | |
531 | ||
532 | If a font is found but is not yet opened, open it (if FACE is not | |
533 | NULL) or return Qnil (if FACE is NULL). | |
534 | ||
1c82b4b3 KH |
535 | ID is a charset-id that must be preferred, or -1 meaning no |
536 | preference. | |
d67f7f1a | 537 | |
a864ef14 | 538 | If FALLBACK, search only fallback fonts. */ |
0d407d77 | 539 | |
7e1a1cd9 | 540 | static Lisp_Object |
a864ef14 PE |
541 | fontset_find_font (Lisp_Object fontset, int c, struct face *face, int id, |
542 | bool fallback) | |
0d407d77 | 543 | { |
162f5458 | 544 | Lisp_Object vec, font_group; |
374bf7e4 | 545 | int i, charset_matched = 0, found_index; |
2a1ef5be KH |
546 | FRAME_PTR f = (FRAMEP (FONTSET_FRAME (fontset)) |
547 | ? XFRAME (FONTSET_FRAME (fontset)) : XFRAME (selected_frame)); | |
a71ccf3a | 548 | Lisp_Object rfont_def; |
0d407d77 | 549 | |
41ad6003 KH |
550 | font_group = fontset_get_font_group (fontset, fallback ? -1 : c); |
551 | if (! CONSP (font_group)) | |
bf86d09c | 552 | return font_group; |
41ad6003 KH |
553 | vec = XCDR (font_group); |
554 | if (ASIZE (vec) == 0) | |
555 | return Qnil; | |
eaa0402c | 556 | |
41ad6003 | 557 | if (ASIZE (vec) > 1) |
1d5d7200 | 558 | { |
41ad6003 KH |
559 | if (XINT (XCAR (font_group)) != charset_ordered_list_tick) |
560 | /* We have just created the font-group, | |
561 | or the charset priorities were changed. */ | |
562 | reorder_font_vector (font_group, face->ascii_face->font); | |
563 | if (id >= 0) | |
564 | /* Find a spec matching with the charset ID to try at | |
565 | first. */ | |
566 | for (i = 0; i < ASIZE (vec); i++) | |
567 | { | |
0ff75233 KH |
568 | Lisp_Object repertory; |
569 | ||
a71ccf3a | 570 | rfont_def = AREF (vec, i); |
0ff75233 KH |
571 | if (NILP (rfont_def)) |
572 | break; | |
573 | repertory = FONT_DEF_REPERTORY (RFONT_DEF_FONT_DEF (rfont_def)); | |
41ad6003 KH |
574 | |
575 | if (XINT (repertory) == id) | |
eaa0402c | 576 | { |
41ad6003 | 577 | charset_matched = i; |
581f7ac7 | 578 | break; |
41ad6003 KH |
579 | } |
580 | } | |
581f7ac7 | 581 | } |
1d5d7200 | 582 | |
7e1a1cd9 | 583 | /* Find the first available font in the vector of RFONT-DEF. */ |
41ad6003 | 584 | for (i = 0; i < ASIZE (vec); i++) |
0d407d77 | 585 | { |
a71ccf3a | 586 | Lisp_Object font_def; |
dbf46ba6 | 587 | Lisp_Object font_entity, font_object; |
581f7ac7 | 588 | |
635c75b1 | 589 | found_index = i; |
374bf7e4 | 590 | if (i == 0) |
41ad6003 | 591 | { |
374bf7e4 KH |
592 | if (charset_matched > 0) |
593 | { | |
635c75b1 KH |
594 | /* Try the element matching with the charset ID at first. */ |
595 | found_index = charset_matched; | |
596 | /* Make this negative so that we don't come here in the | |
597 | next loop. */ | |
374bf7e4 | 598 | charset_matched = - charset_matched; |
635c75b1 | 599 | /* We must try the first element in the next loop. */ |
374bf7e4 KH |
600 | i--; |
601 | } | |
41ad6003 | 602 | } |
635c75b1 | 603 | else if (i == - charset_matched) |
374bf7e4 KH |
604 | { |
605 | /* We have already tried this element and the followings | |
635c75b1 KH |
606 | that have the same font specifications in the first |
607 | iteration. So, skip them all. */ | |
374bf7e4 KH |
608 | rfont_def = AREF (vec, i); |
609 | font_def = RFONT_DEF_FONT_DEF (rfont_def); | |
610 | for (; i + 1 < ASIZE (vec); i++) | |
611 | { | |
612 | rfont_def = AREF (vec, i + 1); | |
613 | if (NILP (rfont_def)) | |
614 | break; | |
615 | if (! EQ (RFONT_DEF_FONT_DEF (rfont_def), font_def)) | |
616 | break; | |
617 | } | |
618 | continue; | |
619 | } | |
41ad6003 | 620 | |
374bf7e4 | 621 | rfont_def = AREF (vec, found_index); |
162f5458 | 622 | if (NILP (rfont_def)) |
374bf7e4 | 623 | { |
635c75b1 | 624 | if (i < 0) |
374bf7e4 KH |
625 | continue; |
626 | /* This is a sign of not to try the other fonts. */ | |
627 | return Qt; | |
628 | } | |
162f5458 KH |
629 | if (INTEGERP (RFONT_DEF_FACE (rfont_def)) |
630 | && XINT (RFONT_DEF_FACE (rfont_def)) < 0) | |
1d5d7200 KH |
631 | /* We couldn't open this font last time. */ |
632 | continue; | |
633 | ||
162f5458 | 634 | font_object = RFONT_DEF_OBJECT (rfont_def); |
581f7ac7 | 635 | if (NILP (font_object)) |
8aa07a8d | 636 | { |
162f5458 | 637 | font_def = RFONT_DEF_FONT_DEF (rfont_def); |
d67f7f1a | 638 | |
581f7ac7 KH |
639 | if (! face) |
640 | /* We have not yet opened the font. */ | |
641 | return Qnil; | |
162f5458 KH |
642 | /* Find a font best-matching with the spec without checking |
643 | the support of the character C. That checking is costly, | |
644 | and even without the checking, the found font supports C | |
645 | in high possibility. */ | |
581f7ac7 KH |
646 | font_entity = font_find_for_lface (f, face->lface, |
647 | FONT_DEF_SPEC (font_def), -1); | |
d67f7f1a | 648 | if (NILP (font_entity)) |
8b67c40a | 649 | { |
581f7ac7 | 650 | /* Record that no font matches the spec. */ |
162f5458 | 651 | RFONT_DEF_SET_FACE (rfont_def, -1); |
581f7ac7 | 652 | continue; |
d67f7f1a | 653 | } |
ca2b2cde KH |
654 | font_object = font_open_for_lface (f, font_entity, face->lface, |
655 | FONT_DEF_SPEC (font_def)); | |
581f7ac7 | 656 | if (NILP (font_object)) |
d67f7f1a | 657 | { |
162f5458 KH |
658 | /* Something strange happened, perhaps because of a |
659 | Font-backend problem. Too avoid crashing, record | |
ee7683eb | 660 | that this spec is unusable. It may be better to find |
162f5458 KH |
661 | another font of the same spec, but currently we don't |
662 | have such an API. */ | |
663 | RFONT_DEF_SET_FACE (rfont_def, -1); | |
581f7ac7 | 664 | continue; |
8aa07a8d | 665 | } |
162f5458 | 666 | RFONT_DEF_SET_OBJECT (rfont_def, font_object); |
8aa07a8d | 667 | } |
eb152aa9 | 668 | |
581f7ac7 | 669 | if (font_has_char (f, font_object, c)) |
a71ccf3a | 670 | goto found; |
581f7ac7 | 671 | |
333f9019 | 672 | /* Find a font already opened, matching with the current spec, |
162f5458 KH |
673 | and supporting C. */ |
674 | font_def = RFONT_DEF_FONT_DEF (rfont_def); | |
374bf7e4 | 675 | for (; found_index + 1 < ASIZE (vec); found_index++) |
57e13af9 | 676 | { |
374bf7e4 | 677 | rfont_def = AREF (vec, found_index + 1); |
7d72bb82 | 678 | if (NILP (rfont_def)) |
374bf7e4 | 679 | break; |
162f5458 | 680 | if (! EQ (RFONT_DEF_FONT_DEF (rfont_def), font_def)) |
581f7ac7 | 681 | break; |
374bf7e4 | 682 | font_object = RFONT_DEF_OBJECT (rfont_def); |
69a8e484 | 683 | if (! NILP (font_object) && font_has_char (f, font_object, c)) |
374bf7e4 KH |
684 | { |
685 | found_index++; | |
686 | goto found; | |
687 | } | |
57e13af9 | 688 | } |
162f5458 KH |
689 | |
690 | /* Find a font-entity with the current spec and supporting C. */ | |
581f7ac7 KH |
691 | font_entity = font_find_for_lface (f, face->lface, |
692 | FONT_DEF_SPEC (font_def), c); | |
693 | if (! NILP (font_entity)) | |
1d5d7200 | 694 | { |
162f5458 KH |
695 | /* We found a font. Open it and insert a new element for |
696 | that font in VEC. */ | |
697 | Lisp_Object new_vec; | |
581f7ac7 | 698 | int j; |
1d5d7200 | 699 | |
581f7ac7 KH |
700 | font_object = font_open_for_lface (f, font_entity, face->lface, |
701 | Qnil); | |
162f5458 KH |
702 | if (NILP (font_object)) |
703 | continue; | |
581f7ac7 KH |
704 | RFONT_DEF_NEW (rfont_def, font_def); |
705 | RFONT_DEF_SET_OBJECT (rfont_def, font_object); | |
162f5458 | 706 | RFONT_DEF_SET_SCORE (rfont_def, RFONT_DEF_SCORE (rfont_def)); |
581f7ac7 | 707 | new_vec = Fmake_vector (make_number (ASIZE (vec) + 1), Qnil); |
374bf7e4 KH |
708 | found_index++; |
709 | for (j = 0; j < found_index; j++) | |
581f7ac7 KH |
710 | ASET (new_vec, j, AREF (vec, j)); |
711 | ASET (new_vec, j, rfont_def); | |
712 | for (j++; j < ASIZE (new_vec); j++) | |
713 | ASET (new_vec, j, AREF (vec, j - 1)); | |
162f5458 | 714 | XSETCDR (font_group, new_vec); |
a71ccf3a KH |
715 | vec = new_vec; |
716 | goto found; | |
1d5d7200 | 717 | } |
374bf7e4 KH |
718 | if (i >= 0) |
719 | i = found_index; | |
0d407d77 | 720 | } |
d67f7f1a | 721 | |
581f7ac7 | 722 | FONTSET_SET (fontset, make_number (c), make_number (0)); |
eaa0402c | 723 | return Qnil; |
a71ccf3a KH |
724 | |
725 | found: | |
726 | if (fallback && found_index > 0) | |
727 | { | |
728 | /* The order of fonts in the fallback font-group is not that | |
729 | important, and it is better to move the found font to the | |
730 | first of the group so that the next try will find it | |
731 | quickly. */ | |
732 | for (i = found_index; i > 0; i--) | |
733 | ASET (vec, i, AREF (vec, i - 1)); | |
734 | ASET (vec, 0, rfont_def); | |
735 | } | |
736 | return rfont_def; | |
1c82b4b3 | 737 | } |
0d407d77 | 738 | |
cc7b6145 | 739 | |
1c82b4b3 | 740 | static Lisp_Object |
971de7fb | 741 | fontset_font (Lisp_Object fontset, int c, struct face *face, int id) |
1c82b4b3 | 742 | { |
cc6e5db1 | 743 | Lisp_Object rfont_def, default_rfont_def IF_LINT (= Qnil); |
1c82b4b3 | 744 | Lisp_Object base_fontset; |
cc7b6145 | 745 | |
41ad6003 | 746 | /* Try a font-group of FONTSET. */ |
b23bf85a | 747 | FONT_DEFERRED_LOG ("current fontset: font for", make_number (c), Qnil); |
1c82b4b3 | 748 | rfont_def = fontset_find_font (fontset, c, face, id, 0); |
eaa0402c KH |
749 | if (VECTORP (rfont_def)) |
750 | return rfont_def; | |
f084f942 KH |
751 | if (NILP (rfont_def)) |
752 | FONTSET_SET (fontset, make_number (c), make_number (0)); | |
41ad6003 KH |
753 | |
754 | /* Try a font-group of the default fontset. */ | |
755 | base_fontset = FONTSET_BASE (fontset); | |
756 | if (! EQ (base_fontset, Vdefault_fontset)) | |
757 | { | |
758 | if (NILP (FONTSET_DEFAULT (fontset))) | |
d0d2d26f | 759 | set_fontset_default |
6d470bdd DA |
760 | (fontset, |
761 | make_fontset (FONTSET_FRAME (fontset), Qnil, Vdefault_fontset)); | |
b23bf85a | 762 | FONT_DEFERRED_LOG ("default fontset: font for", make_number (c), Qnil); |
f084f942 KH |
763 | default_rfont_def |
764 | = fontset_find_font (FONTSET_DEFAULT (fontset), c, face, id, 0); | |
765 | if (VECTORP (default_rfont_def)) | |
766 | return default_rfont_def; | |
767 | if (NILP (default_rfont_def)) | |
768 | FONTSET_SET (FONTSET_DEFAULT (fontset), make_number (c), | |
769 | make_number (0)); | |
41ad6003 KH |
770 | } |
771 | ||
772 | /* Try a fallback font-group of FONTSET. */ | |
f084f942 KH |
773 | if (! EQ (rfont_def, Qt)) |
774 | { | |
775 | FONT_DEFERRED_LOG ("current fallback: font for", make_number (c), Qnil); | |
776 | rfont_def = fontset_find_font (fontset, c, face, id, 1); | |
777 | if (VECTORP (rfont_def)) | |
778 | return rfont_def; | |
779 | /* Remember that FONTSET has no font for C. */ | |
780 | FONTSET_SET (fontset, make_number (c), Qt); | |
781 | } | |
d67f7f1a | 782 | |
f084f942 KH |
783 | /* Try a fallback font-group of the default fontset. */ |
784 | if (! EQ (base_fontset, Vdefault_fontset) | |
785 | && ! EQ (default_rfont_def, Qt)) | |
41ad6003 | 786 | { |
b23bf85a | 787 | FONT_DEFERRED_LOG ("default fallback: font for", make_number (c), Qnil); |
41ad6003 KH |
788 | rfont_def = fontset_find_font (FONTSET_DEFAULT (fontset), c, face, id, 1); |
789 | if (VECTORP (rfont_def)) | |
790 | return rfont_def; | |
f084f942 KH |
791 | /* Remember that the default fontset has no font for C. */ |
792 | FONTSET_SET (FONTSET_DEFAULT (fontset), make_number (c), Qt); | |
41ad6003 KH |
793 | } |
794 | ||
41ad6003 | 795 | return Qnil; |
0d407d77 KH |
796 | } |
797 | ||
0d407d77 | 798 | /* Return a newly created fontset with NAME. If BASE is nil, make a |
06f76f0d | 799 | base fontset. Otherwise make a realized fontset whose base is |
0d407d77 KH |
800 | BASE. */ |
801 | ||
802 | static Lisp_Object | |
971de7fb | 803 | make_fontset (Lisp_Object frame, Lisp_Object name, Lisp_Object base) |
4ed46869 | 804 | { |
1337ac77 | 805 | Lisp_Object fontset; |
0d407d77 KH |
806 | int size = ASIZE (Vfontset_table); |
807 | int id = next_fontset_id; | |
0d407d77 KH |
808 | |
809 | /* Find a free slot in Vfontset_table. Usually, next_fontset_id is | |
810 | the next available fontset ID. So it is expected that this loop | |
811 | terminates quickly. In addition, as the last element of | |
fc8865fc | 812 | Vfontset_table is always nil, we don't have to check the range of |
0d407d77 KH |
813 | id. */ |
814 | while (!NILP (AREF (Vfontset_table, id))) id++; | |
815 | ||
816 | if (id + 1 == size) | |
d311d28c | 817 | Vfontset_table = larger_vector (Vfontset_table, 1, -1); |
4ed46869 | 818 | |
11d9bd93 | 819 | fontset = Fmake_char_table (Qfontset, Qnil); |
0d407d77 | 820 | |
d0d2d26f | 821 | set_fontset_id (fontset, make_number (id)); |
06f76f0d | 822 | if (NILP (base)) |
d0d2d26f | 823 | set_fontset_name (fontset, name); |
06f76f0d KH |
824 | else |
825 | { | |
d0d2d26f PE |
826 | set_fontset_name (fontset, Qnil); |
827 | set_fontset_frame (fontset, frame); | |
828 | set_fontset_base (fontset, base); | |
06f76f0d | 829 | } |
0d407d77 | 830 | |
06f76f0d | 831 | ASET (Vfontset_table, id, fontset); |
0d407d77 KH |
832 | next_fontset_id = id + 1; |
833 | return fontset; | |
4ed46869 KH |
834 | } |
835 | ||
0d407d77 | 836 | \f |
1d5d7200 | 837 | /********** INTERFACES TO xfaces.c, xfns.c, and dispextern.h **********/ |
0d407d77 | 838 | |
1d5d7200 | 839 | /* Return the name of the fontset who has ID. */ |
0d407d77 KH |
840 | |
841 | Lisp_Object | |
971de7fb | 842 | fontset_name (int id) |
0d407d77 KH |
843 | { |
844 | Lisp_Object fontset; | |
06f76f0d | 845 | |
0d407d77 KH |
846 | fontset = FONTSET_FROM_ID (id); |
847 | return FONTSET_NAME (fontset); | |
848 | } | |
849 | ||
850 | ||
1d5d7200 | 851 | /* Return the ASCII font name of the fontset who has ID. */ |
0d407d77 KH |
852 | |
853 | Lisp_Object | |
971de7fb | 854 | fontset_ascii (int id) |
0d407d77 KH |
855 | { |
856 | Lisp_Object fontset, elt; | |
06f76f0d | 857 | |
0d407d77 KH |
858 | fontset= FONTSET_FROM_ID (id); |
859 | elt = FONTSET_ASCII (fontset); | |
8aa07a8d KH |
860 | if (CONSP (elt)) |
861 | elt = XCAR (elt); | |
1d5d7200 | 862 | return elt; |
0d407d77 KH |
863 | } |
864 | ||
a5c0af81 | 865 | static void |
971de7fb | 866 | free_realized_fontset (FRAME_PTR f, Lisp_Object fontset) |
9459b1e9 | 867 | { |
239f9db9 | 868 | #if 0 |
9459b1e9 KH |
869 | Lisp_Object tail; |
870 | ||
97be3ce3 PE |
871 | if (0) |
872 | for (tail = FONTSET_OBJLIST (fontset); CONSP (tail); tail = XCDR (tail)) | |
873 | { | |
a54e2c05 | 874 | eassert (FONT_OBJECT_P (XCAR (tail))); |
97be3ce3 PE |
875 | font_close_object (f, XCAR (tail)); |
876 | } | |
239f9db9 | 877 | #endif |
9459b1e9 | 878 | } |
0d407d77 | 879 | |
06f76f0d KH |
880 | /* Free fontset of FACE defined on frame F. Called from |
881 | free_realized_face. */ | |
0d407d77 | 882 | |
4ed46869 | 883 | void |
971de7fb | 884 | free_face_fontset (FRAME_PTR f, struct face *face) |
4ed46869 | 885 | { |
452a78e0 KH |
886 | Lisp_Object fontset; |
887 | ||
ff7a2223 | 888 | fontset = FONTSET_FROM_ID (face->fontset); |
581f7ac7 KH |
889 | if (NILP (fontset)) |
890 | return; | |
a54e2c05 DA |
891 | eassert (! BASE_FONTSET_P (fontset)); |
892 | eassert (f == XFRAME (FONTSET_FRAME (fontset))); | |
9459b1e9 | 893 | free_realized_fontset (f, fontset); |
1d5d7200 | 894 | ASET (Vfontset_table, face->fontset, Qnil); |
06f76f0d KH |
895 | if (face->fontset < next_fontset_id) |
896 | next_fontset_id = face->fontset; | |
eb36588a | 897 | if (! NILP (FONTSET_DEFAULT (fontset))) |
452a78e0 | 898 | { |
e1a14cdc | 899 | int id = XINT (FONTSET_ID (FONTSET_DEFAULT (fontset))); |
eb152aa9 | 900 | |
452a78e0 | 901 | fontset = AREF (Vfontset_table, id); |
a54e2c05 DA |
902 | eassert (!NILP (fontset) && ! BASE_FONTSET_P (fontset)); |
903 | eassert (f == XFRAME (FONTSET_FRAME (fontset))); | |
9459b1e9 | 904 | free_realized_fontset (f, fontset); |
452a78e0 KH |
905 | ASET (Vfontset_table, id, Qnil); |
906 | if (id < next_fontset_id) | |
907 | next_fontset_id = face->fontset; | |
908 | } | |
581f7ac7 | 909 | face->fontset = -1; |
0d407d77 | 910 | } |
18998710 | 911 | |
0d407d77 | 912 | |
239f9db9 | 913 | #if 0 |
a864ef14 PE |
914 | /* Return true if FACE is suitable for displaying character C. |
915 | Called from the macro FACE_SUITABLE_FOR_CHAR_P | |
06f76f0d | 916 | when C is not an ASCII character. */ |
0d407d77 | 917 | |
a864ef14 | 918 | bool |
971de7fb | 919 | face_suitable_for_char_p (struct face *face, int c) |
0d407d77 | 920 | { |
7e1a1cd9 | 921 | Lisp_Object fontset, rfont_def; |
0d407d77 | 922 | |
0d407d77 | 923 | fontset = FONTSET_FROM_ID (face->fontset); |
7e1a1cd9 KH |
924 | rfont_def = fontset_font (fontset, c, NULL, -1); |
925 | return (VECTORP (rfont_def) | |
581f7ac7 KH |
926 | && INTEGERP (RFONT_DEF_FACE (rfont_def)) |
927 | && face->id == XINT (RFONT_DEF_FACE (rfont_def))); | |
0d407d77 | 928 | } |
239f9db9 | 929 | #endif |
0d407d77 KH |
930 | |
931 | ||
932 | /* Return ID of face suitable for displaying character C on frame F. | |
40ba43b4 | 933 | FACE must be realized for ASCII characters in advance. Called from |
1d5d7200 | 934 | the macro FACE_FOR_CHAR. */ |
0d407d77 KH |
935 | |
936 | int | |
971de7fb | 937 | face_for_char (FRAME_PTR f, struct face *face, int c, int pos, Lisp_Object object) |
0d407d77 | 938 | { |
303d5190 | 939 | Lisp_Object fontset, rfont_def, charset; |
7e1a1cd9 | 940 | int face_id; |
6bad8007 | 941 | int id; |
1d5d7200 | 942 | |
ea217c11 KH |
943 | /* If face->fontset is negative (that happens when no font is found |
944 | for face), just return face->ascii_face because we can't do | |
945 | anything. Perhaps, we should fix the callers to assure | |
946 | that face->fontset is always valid. */ | |
947 | if (ASCII_CHAR_P (c) || face->fontset < 0) | |
1d5d7200 | 948 | return face->ascii_face->id; |
0d407d77 | 949 | |
a54e2c05 | 950 | eassert (fontset_id_valid_p (face->fontset)); |
0d407d77 | 951 | fontset = FONTSET_FROM_ID (face->fontset); |
a54e2c05 | 952 | eassert (!BASE_FONTSET_P (fontset)); |
41ad6003 | 953 | |
6bad8007 | 954 | if (pos < 0) |
303d5190 KH |
955 | { |
956 | id = -1; | |
957 | charset = Qnil; | |
958 | } | |
6bad8007 KH |
959 | else |
960 | { | |
961 | charset = Fget_char_property (make_number (pos), Qcharset, object); | |
b1bde622 | 962 | if (CHARSETP (charset)) |
28e2436a KH |
963 | { |
964 | Lisp_Object val; | |
965 | ||
a124bbb6 | 966 | val = assq_no_quit (charset, Vfont_encoding_charset_alist); |
28e2436a KH |
967 | if (CONSP (val) && CHARSETP (XCDR (val))) |
968 | charset = XCDR (val); | |
969 | id = XINT (CHARSET_SYMBOL_ID (charset)); | |
970 | } | |
b1bde622 KH |
971 | else |
972 | id = -1; | |
6bad8007 | 973 | } |
b59e66b3 | 974 | |
7e1a1cd9 KH |
975 | rfont_def = fontset_font (fontset, c, face, id); |
976 | if (VECTORP (rfont_def)) | |
977 | { | |
581f7ac7 KH |
978 | if (INTEGERP (RFONT_DEF_FACE (rfont_def))) |
979 | face_id = XINT (RFONT_DEF_FACE (rfont_def)); | |
8aa07a8d | 980 | else |
7e1a1cd9 | 981 | { |
581f7ac7 | 982 | Lisp_Object font_object; |
7e1a1cd9 | 983 | |
581f7ac7 KH |
984 | font_object = RFONT_DEF_OBJECT (rfont_def); |
985 | face_id = face_for_font (f, font_object, face); | |
986 | RFONT_DEF_SET_FACE (rfont_def, face_id); | |
7e1a1cd9 | 987 | } |
7e1a1cd9 | 988 | } |
581f7ac7 | 989 | else |
7e1a1cd9 | 990 | { |
581f7ac7 KH |
991 | if (INTEGERP (FONTSET_NOFONT_FACE (fontset))) |
992 | face_id = XINT (FONTSET_NOFONT_FACE (fontset)); | |
993 | else | |
994 | { | |
995 | face_id = face_for_font (f, Qnil, face); | |
d0d2d26f | 996 | set_fontset_nofont_face (fontset, make_number (face_id)); |
581f7ac7 | 997 | } |
7e1a1cd9 | 998 | } |
a54e2c05 | 999 | eassert (face_id >= 0); |
581f7ac7 | 1000 | return face_id; |
0d407d77 KH |
1001 | } |
1002 | ||
1003 | ||
514cf218 | 1004 | Lisp_Object |
971de7fb | 1005 | font_for_char (struct face *face, int c, int pos, Lisp_Object object) |
514cf218 KH |
1006 | { |
1007 | Lisp_Object fontset, rfont_def, charset; | |
514cf218 KH |
1008 | int id; |
1009 | ||
1010 | if (ASCII_CHAR_P (c)) | |
1011 | { | |
1012 | Lisp_Object font_object; | |
1013 | ||
1014 | XSETFONT (font_object, face->ascii_face->font); | |
1015 | return font_object; | |
1016 | } | |
1017 | ||
a54e2c05 | 1018 | eassert (fontset_id_valid_p (face->fontset)); |
514cf218 | 1019 | fontset = FONTSET_FROM_ID (face->fontset); |
a54e2c05 | 1020 | eassert (!BASE_FONTSET_P (fontset)); |
514cf218 KH |
1021 | if (pos < 0) |
1022 | { | |
1023 | id = -1; | |
1024 | charset = Qnil; | |
1025 | } | |
1026 | else | |
1027 | { | |
1028 | charset = Fget_char_property (make_number (pos), Qcharset, object); | |
b1bde622 | 1029 | if (CHARSETP (charset)) |
514cf218 KH |
1030 | { |
1031 | Lisp_Object val; | |
1032 | ||
9fe78804 | 1033 | val = assq_no_quit (charset, Vfont_encoding_charset_alist); |
514cf218 KH |
1034 | if (CONSP (val) && CHARSETP (XCDR (val))) |
1035 | charset = XCDR (val); | |
1036 | id = XINT (CHARSET_SYMBOL_ID (charset)); | |
1037 | } | |
b1bde622 KH |
1038 | else |
1039 | id = -1; | |
514cf218 KH |
1040 | } |
1041 | ||
514cf218 KH |
1042 | rfont_def = fontset_font (fontset, c, face, id); |
1043 | return (VECTORP (rfont_def) | |
1044 | ? RFONT_DEF_OBJECT (rfont_def) | |
1045 | : Qnil); | |
1046 | } | |
1047 | ||
1048 | ||
0d407d77 KH |
1049 | /* Make a realized fontset for ASCII face FACE on frame F from the |
1050 | base fontset BASE_FONTSET_ID. If BASE_FONTSET_ID is -1, use the | |
1051 | default fontset as the base. Value is the id of the new fontset. | |
1052 | Called from realize_x_face. */ | |
1053 | ||
1054 | int | |
971de7fb | 1055 | make_fontset_for_ascii_face (FRAME_PTR f, int base_fontset_id, struct face *face) |
0d407d77 | 1056 | { |
1337ac77 | 1057 | Lisp_Object base_fontset, fontset, frame; |
0d407d77 KH |
1058 | |
1059 | XSETFRAME (frame, f); | |
1060 | if (base_fontset_id >= 0) | |
1061 | { | |
1062 | base_fontset = FONTSET_FROM_ID (base_fontset_id); | |
1063 | if (!BASE_FONTSET_P (base_fontset)) | |
1064 | base_fontset = FONTSET_BASE (base_fontset); | |
4e6a86c6 | 1065 | eassert (BASE_FONTSET_P (base_fontset)); |
4ed46869 | 1066 | } |
0d407d77 KH |
1067 | else |
1068 | base_fontset = Vdefault_fontset; | |
1069 | ||
1070 | fontset = make_fontset (frame, Qnil, base_fontset); | |
f3231837 | 1071 | return XINT (FONTSET_ID (fontset)); |
0d407d77 KH |
1072 | } |
1073 | ||
0d407d77 | 1074 | \f |
1d5d7200 | 1075 | |
4ed46869 KH |
1076 | /* Cache data used by fontset_pattern_regexp. The car part is a |
1077 | pattern string containing at least one wild card, the cdr part is | |
1078 | the corresponding regular expression. */ | |
1079 | static Lisp_Object Vcached_fontset_data; | |
1080 | ||
51b59d79 | 1081 | #define CACHED_FONTSET_NAME SSDATA (XCAR (Vcached_fontset_data)) |
7539e11f | 1082 | #define CACHED_FONTSET_REGEX (XCDR (Vcached_fontset_data)) |
4ed46869 KH |
1083 | |
1084 | /* If fontset name PATTERN contains any wild card, return regular | |
1085 | expression corresponding to PATTERN. */ | |
1086 | ||
0d407d77 | 1087 | static Lisp_Object |
971de7fb | 1088 | fontset_pattern_regexp (Lisp_Object pattern) |
4ed46869 | 1089 | { |
51b59d79 PE |
1090 | if (!strchr (SSDATA (pattern), '*') |
1091 | && !strchr (SSDATA (pattern), '?')) | |
4ed46869 | 1092 | /* PATTERN does not contain any wild cards. */ |
1c283e35 | 1093 | return Qnil; |
4ed46869 KH |
1094 | |
1095 | if (!CONSP (Vcached_fontset_data) | |
51b59d79 | 1096 | || strcmp (SSDATA (pattern), CACHED_FONTSET_NAME)) |
4ed46869 KH |
1097 | { |
1098 | /* We must at first update the cached data. */ | |
6cc06608 | 1099 | unsigned char *regex, *p0, *p1; |
821bc4db | 1100 | int ndashes = 0, nstars = 0, nescs = 0; |
6cc06608 | 1101 | |
fc1062f5 KH |
1102 | for (p0 = SDATA (pattern); *p0; p0++) |
1103 | { | |
1104 | if (*p0 == '-') | |
1105 | ndashes++; | |
a653f812 | 1106 | else if (*p0 == '*') |
fc1062f5 | 1107 | nstars++; |
821bc4db KH |
1108 | else if (*p0 == '[' |
1109 | || *p0 == '.' || *p0 == '\\' | |
8510724d | 1110 | || *p0 == '+' || *p0 == '^' |
821bc4db KH |
1111 | || *p0 == '$') |
1112 | nescs++; | |
fc1062f5 KH |
1113 | } |
1114 | ||
da6062e6 | 1115 | /* If PATTERN is not full XLFD we convert "*" to ".*". Otherwise |
fc1062f5 KH |
1116 | we convert "*" to "[^-]*" which is much faster in regular |
1117 | expression matching. */ | |
1118 | if (ndashes < 14) | |
38182d90 | 1119 | p1 = regex = alloca (SBYTES (pattern) + 2 * nstars + 2 * nescs + 1); |
fc1062f5 | 1120 | else |
38182d90 | 1121 | p1 = regex = alloca (SBYTES (pattern) + 5 * nstars + 2 * nescs + 1); |
4ed46869 | 1122 | |
1c283e35 | 1123 | *p1++ = '^'; |
6cc06608 | 1124 | for (p0 = SDATA (pattern); *p0; p0++) |
4ed46869 | 1125 | { |
a653f812 | 1126 | if (*p0 == '*') |
4ed46869 | 1127 | { |
fc1062f5 KH |
1128 | if (ndashes < 14) |
1129 | *p1++ = '.'; | |
1130 | else | |
1131 | *p1++ = '[', *p1++ = '^', *p1++ = '-', *p1++ = ']'; | |
1c283e35 | 1132 | *p1++ = '*'; |
4ed46869 | 1133 | } |
1c283e35 | 1134 | else if (*p0 == '?') |
d96d677d | 1135 | *p1++ = '.'; |
821bc4db KH |
1136 | else if (*p0 == '[' |
1137 | || *p0 == '.' || *p0 == '\\' | |
8510724d | 1138 | || *p0 == '+' || *p0 == '^' |
821bc4db KH |
1139 | || *p0 == '$') |
1140 | *p1++ = '\\', *p1++ = *p0; | |
1c283e35 KH |
1141 | else |
1142 | *p1++ = *p0; | |
4ed46869 KH |
1143 | } |
1144 | *p1++ = '$'; | |
1145 | *p1++ = 0; | |
1146 | ||
51b59d79 | 1147 | Vcached_fontset_data = Fcons (build_string (SSDATA (pattern)), |
dbf46ba6 | 1148 | build_string ((char *) regex)); |
4ed46869 KH |
1149 | } |
1150 | ||
1151 | return CACHED_FONTSET_REGEX; | |
1152 | } | |
1153 | ||
0d407d77 | 1154 | /* Return ID of the base fontset named NAME. If there's no such |
a653f812 KH |
1155 | fontset, return -1. NAME_PATTERN specifies how to treat NAME as this: |
1156 | 0: pattern containing '*' and '?' as wildcards | |
1157 | 1: regular expression | |
1158 | 2: literal fontset name | |
1159 | */ | |
0d407d77 KH |
1160 | |
1161 | int | |
971de7fb | 1162 | fs_query_fontset (Lisp_Object name, int name_pattern) |
0d407d77 | 1163 | { |
1337ac77 | 1164 | Lisp_Object tem; |
0d407d77 KH |
1165 | int i; |
1166 | ||
1167 | name = Fdowncase (name); | |
a653f812 | 1168 | if (name_pattern != 1) |
0d407d77 KH |
1169 | { |
1170 | tem = Frassoc (name, Vfontset_alias_alist); | |
6bad8007 KH |
1171 | if (NILP (tem)) |
1172 | tem = Fassoc (name, Vfontset_alias_alist); | |
0d407d77 KH |
1173 | if (CONSP (tem) && STRINGP (XCAR (tem))) |
1174 | name = XCAR (tem); | |
a653f812 | 1175 | else if (name_pattern == 0) |
0d407d77 KH |
1176 | { |
1177 | tem = fontset_pattern_regexp (name); | |
1178 | if (STRINGP (tem)) | |
1179 | { | |
1180 | name = tem; | |
a653f812 | 1181 | name_pattern = 1; |
0d407d77 KH |
1182 | } |
1183 | } | |
1184 | } | |
1185 | ||
1186 | for (i = 0; i < ASIZE (Vfontset_table); i++) | |
1187 | { | |
6e1b0d8c | 1188 | Lisp_Object fontset, this_name; |
0d407d77 KH |
1189 | |
1190 | fontset = FONTSET_FROM_ID (i); | |
1191 | if (NILP (fontset) | |
1192 | || !BASE_FONTSET_P (fontset)) | |
1193 | continue; | |
1194 | ||
6e1b0d8c | 1195 | this_name = FONTSET_NAME (fontset); |
a653f812 | 1196 | if (name_pattern == 1 |
581f7ac7 | 1197 | ? fast_string_match_ignore_case (name, this_name) >= 0 |
25a48bd0 | 1198 | : !xstrcasecmp (SSDATA (name), SSDATA (this_name))) |
0d407d77 KH |
1199 | return i; |
1200 | } | |
1201 | return -1; | |
1202 | } | |
1203 | ||
1204 | ||
a7ca3326 | 1205 | DEFUN ("query-fontset", Fquery_fontset, Squery_fontset, 1, 2, 0, |
335c5470 PJ |
1206 | doc: /* Return the name of a fontset that matches PATTERN. |
1207 | The value is nil if there is no matching fontset. | |
1208 | PATTERN can contain `*' or `?' as a wildcard | |
1209 | just as X font name matching algorithm allows. | |
1210 | If REGEXPP is non-nil, PATTERN is a regular expression. */) | |
5842a27b | 1211 | (Lisp_Object pattern, Lisp_Object regexpp) |
4ed46869 | 1212 | { |
0d407d77 KH |
1213 | Lisp_Object fontset; |
1214 | int id; | |
4ed46869 KH |
1215 | |
1216 | (*check_window_system_func) (); | |
1217 | ||
b7826503 | 1218 | CHECK_STRING (pattern); |
4ed46869 | 1219 | |
d5db4077 | 1220 | if (SCHARS (pattern) == 0) |
4ed46869 KH |
1221 | return Qnil; |
1222 | ||
0d407d77 KH |
1223 | id = fs_query_fontset (pattern, !NILP (regexpp)); |
1224 | if (id < 0) | |
1225 | return Qnil; | |
4ed46869 | 1226 | |
0d407d77 KH |
1227 | fontset = FONTSET_FROM_ID (id); |
1228 | return FONTSET_NAME (fontset); | |
4ed46869 KH |
1229 | } |
1230 | ||
06f76f0d | 1231 | /* Return a list of base fontset names matching PATTERN on frame F. */ |
4ed46869 KH |
1232 | |
1233 | Lisp_Object | |
971de7fb | 1234 | list_fontsets (FRAME_PTR f, Lisp_Object pattern, int size) |
4ed46869 | 1235 | { |
1337ac77 | 1236 | Lisp_Object frame, regexp, val; |
0d407d77 | 1237 | int id; |
4ed46869 | 1238 | |
0d407d77 | 1239 | XSETFRAME (frame, f); |
4ed46869 | 1240 | |
0d407d77 | 1241 | regexp = fontset_pattern_regexp (pattern); |
4ed46869 | 1242 | val = Qnil; |
4ed46869 | 1243 | |
0d407d77 KH |
1244 | for (id = 0; id < ASIZE (Vfontset_table); id++) |
1245 | { | |
6e1b0d8c | 1246 | Lisp_Object fontset, name; |
0d407d77 KH |
1247 | |
1248 | fontset = FONTSET_FROM_ID (id); | |
1249 | if (NILP (fontset) | |
1250 | || !BASE_FONTSET_P (fontset) | |
1251 | || !EQ (frame, FONTSET_FRAME (fontset))) | |
1252 | continue; | |
6e1b0d8c | 1253 | name = FONTSET_NAME (fontset); |
0d407d77 | 1254 | |
1d5d7200 | 1255 | if (STRINGP (regexp) |
6e1b0d8c | 1256 | ? (fast_string_match (regexp, name) < 0) |
51b59d79 | 1257 | : strcmp (SSDATA (pattern), SSDATA (name))) |
0d407d77 KH |
1258 | continue; |
1259 | ||
0d407d77 | 1260 | val = Fcons (Fcopy_sequence (FONTSET_NAME (fontset)), val); |
4ed46869 KH |
1261 | } |
1262 | ||
1263 | return val; | |
1264 | } | |
1265 | ||
4ed46869 | 1266 | |
8f924df7 | 1267 | /* Free all realized fontsets whose base fontset is BASE. */ |
4ed46869 | 1268 | |
06f76f0d | 1269 | static void |
971de7fb | 1270 | free_realized_fontsets (Lisp_Object base) |
06f76f0d KH |
1271 | { |
1272 | int id; | |
4ed46869 | 1273 | |
2f034212 | 1274 | #if 0 |
27e20b2f KH |
1275 | /* For the moment, this doesn't work because free_realized_face |
1276 | doesn't remove FACE from a cache. Until we find a solution, we | |
1277 | suppress this code, and simply use Fclear_face_cache even though | |
1278 | that is not efficient. */ | |
4d7e6e51 | 1279 | block_input (); |
06f76f0d | 1280 | for (id = 0; id < ASIZE (Vfontset_table); id++) |
4ed46869 | 1281 | { |
06f76f0d | 1282 | Lisp_Object this = AREF (Vfontset_table, id); |
0d407d77 | 1283 | |
06f76f0d | 1284 | if (EQ (FONTSET_BASE (this), base)) |
0d407d77 | 1285 | { |
06f76f0d | 1286 | Lisp_Object tail; |
4ed46869 | 1287 | |
06f76f0d KH |
1288 | for (tail = FONTSET_FACE_ALIST (this); CONSP (tail); |
1289 | tail = XCDR (tail)) | |
1290 | { | |
1291 | FRAME_PTR f = XFRAME (FONTSET_FRAME (this)); | |
1292 | int face_id = XINT (XCDR (XCAR (tail))); | |
1293 | struct face *face = FACE_FROM_ID (f, face_id); | |
4ed46869 | 1294 | |
06f76f0d KH |
1295 | /* Face THIS itself is also freed by the following call. */ |
1296 | free_realized_face (f, face); | |
1297 | } | |
1298 | } | |
0d407d77 | 1299 | } |
4d7e6e51 | 1300 | unblock_input (); |
27e20b2f | 1301 | #else /* not 0 */ |
2f034212 KH |
1302 | /* But, we don't have to call Fclear_face_cache if no fontset has |
1303 | been realized from BASE. */ | |
1304 | for (id = 0; id < ASIZE (Vfontset_table); id++) | |
1305 | { | |
1306 | Lisp_Object this = AREF (Vfontset_table, id); | |
1307 | ||
985773c9 | 1308 | if (CHAR_TABLE_P (this) && EQ (FONTSET_BASE (this), base)) |
2f034212 KH |
1309 | { |
1310 | Fclear_face_cache (Qt); | |
1311 | break; | |
1312 | } | |
1313 | } | |
27e20b2f | 1314 | #endif /* not 0 */ |
0d407d77 | 1315 | } |
4ed46869 | 1316 | |
4ed46869 | 1317 | |
0d407d77 KH |
1318 | /* Check validity of NAME as a fontset name and return the |
1319 | corresponding fontset. If not valid, signal an error. | |
a3d16f39 KH |
1320 | |
1321 | If NAME is t, return Vdefault_fontset. If NAME is nil, return the | |
1322 | fontset of *FRAME. | |
1323 | ||
1324 | Set *FRAME to the actual frame. */ | |
0d407d77 KH |
1325 | |
1326 | static Lisp_Object | |
971de7fb | 1327 | check_fontset_name (Lisp_Object name, Lisp_Object *frame) |
0d407d77 KH |
1328 | { |
1329 | int id; | |
d9f07150 | 1330 | struct frame *f = decode_live_frame (*frame); |
0d407d77 | 1331 | |
d9f07150 | 1332 | XSETFRAME (*frame, f); |
a3d16f39 | 1333 | |
0d407d77 KH |
1334 | if (EQ (name, Qt)) |
1335 | return Vdefault_fontset; | |
a3d16f39 | 1336 | if (NILP (name)) |
d9f07150 | 1337 | id = FRAME_FONTSET (f); |
a3d16f39 KH |
1338 | else |
1339 | { | |
1340 | CHECK_STRING (name); | |
1341 | /* First try NAME as literal. */ | |
1342 | id = fs_query_fontset (name, 2); | |
1343 | if (id < 0) | |
1344 | /* For backward compatibility, try again NAME as pattern. */ | |
1345 | id = fs_query_fontset (name, 0); | |
1346 | if (id < 0) | |
1347 | error ("Fontset `%s' does not exist", SDATA (name)); | |
1348 | } | |
0d407d77 KH |
1349 | return FONTSET_FROM_ID (id); |
1350 | } | |
4ed46869 | 1351 | |
1d5d7200 | 1352 | static void |
971de7fb | 1353 | accumulate_script_ranges (Lisp_Object arg, Lisp_Object range, Lisp_Object val) |
1d5d7200 KH |
1354 | { |
1355 | if (EQ (XCAR (arg), val)) | |
1356 | { | |
1357 | if (CONSP (range)) | |
1358 | XSETCDR (arg, Fcons (Fcons (XCAR (range), XCDR (range)), XCDR (arg))); | |
1359 | else | |
1360 | XSETCDR (arg, Fcons (Fcons (range, range), XCDR (arg))); | |
1361 | } | |
1362 | } | |
1363 | ||
1364 | ||
a3d16f39 KH |
1365 | /* Callback function for map_charset_chars in Fset_fontset_font. |
1366 | ARG is a vector [ FONTSET FONT_DEF ADD ASCII SCRIPT_RANGE_LIST ]. | |
fb78e2ed | 1367 | |
a3d16f39 KH |
1368 | In FONTSET, set FONT_DEF in a fashion specified by ADD for |
1369 | characters in RANGE and ranges in SCRIPT_RANGE_LIST before RANGE. | |
e1dbe924 | 1370 | The consumed ranges are popped up from SCRIPT_RANGE_LIST, and the |
a3d16f39 KH |
1371 | new SCRIPT_RANGE_LIST is stored in ARG. |
1372 | ||
1373 | If ASCII is nil, don't set FONT_DEF for ASCII characters. It is | |
1374 | assured that SCRIPT_RANGE_LIST doesn't contain ASCII in that | |
1375 | case. */ | |
fb78e2ed | 1376 | |
2449d4d0 | 1377 | static void |
971de7fb | 1378 | set_fontset_font (Lisp_Object arg, Lisp_Object range) |
2449d4d0 | 1379 | { |
a3d16f39 KH |
1380 | Lisp_Object fontset, font_def, add, ascii, script_range_list; |
1381 | int from = XINT (XCAR (range)), to = XINT (XCDR (range)); | |
2449d4d0 | 1382 | |
a3d16f39 KH |
1383 | fontset = AREF (arg, 0); |
1384 | font_def = AREF (arg, 1); | |
1385 | add = AREF (arg, 2); | |
1386 | ascii = AREF (arg, 3); | |
1387 | script_range_list = AREF (arg, 4); | |
fb78e2ed | 1388 | |
a3d16f39 KH |
1389 | if (NILP (ascii) && from < 0x80) |
1390 | { | |
1391 | if (to < 0x80) | |
fb78e2ed | 1392 | return; |
a3d16f39 KH |
1393 | from = 0x80; |
1394 | range = Fcons (make_number (0x80), XCDR (range)); | |
1395 | } | |
1396 | ||
1397 | #define SCRIPT_FROM XINT (XCAR (XCAR (script_range_list))) | |
1398 | #define SCRIPT_TO XINT (XCDR (XCAR (script_range_list))) | |
1399 | #define POP_SCRIPT_RANGE() script_range_list = XCDR (script_range_list) | |
1400 | ||
1401 | for (; CONSP (script_range_list) && SCRIPT_TO < from; POP_SCRIPT_RANGE ()) | |
1402 | FONTSET_ADD (fontset, XCAR (script_range_list), font_def, add); | |
1403 | if (CONSP (script_range_list)) | |
1404 | { | |
1405 | if (SCRIPT_FROM < from) | |
1406 | range = Fcons (make_number (SCRIPT_FROM), XCDR (range)); | |
1407 | while (CONSP (script_range_list) && SCRIPT_TO <= to) | |
1408 | POP_SCRIPT_RANGE (); | |
1409 | if (CONSP (script_range_list) && SCRIPT_FROM <= to) | |
1410 | XSETCAR (XCAR (script_range_list), make_number (to + 1)); | |
fb78e2ed | 1411 | } |
a3d16f39 KH |
1412 | |
1413 | FONTSET_ADD (fontset, range, font_def, add); | |
1414 | ASET (arg, 4, script_range_list); | |
2449d4d0 KH |
1415 | } |
1416 | ||
f57e2426 | 1417 | static void update_auto_fontset_alist (Lisp_Object, Lisp_Object); |
d6490542 | 1418 | |
d6aaac9e | 1419 | |
1d5d7200 | 1420 | DEFUN ("set-fontset-font", Fset_fontset_font, Sset_fontset_font, 3, 5, 0, |
8f924df7 | 1421 | doc: /* |
eb36588a | 1422 | Modify fontset NAME to use FONT-SPEC for TARGET characters. |
335c5470 | 1423 | |
a3d16f39 KH |
1424 | NAME is a fontset name string, nil for the fontset of FRAME, or t for |
1425 | the default fontset. | |
1426 | ||
eb36588a KH |
1427 | TARGET may be a cons; (FROM . TO), where FROM and TO are characters. |
1428 | In that case, use FONT-SPEC for all characters in the range FROM and | |
1429 | TO (inclusive). | |
06f76f0d | 1430 | |
eb36588a KH |
1431 | TARGET may be a script name symbol. In that case, use FONT-SPEC for |
1432 | all characters that belong to the script. | |
06f76f0d | 1433 | |
eb36588a | 1434 | TARGET may be a charset. In that case, use FONT-SPEC for all |
95318a38 | 1435 | characters in the charset. |
1d5d7200 | 1436 | |
eb36588a KH |
1437 | TARGET may be nil. In that case, use FONT-SPEC for any characters for |
1438 | that no FONT-SPEC is specified. | |
1439 | ||
0fdf26e6 | 1440 | FONT-SPEC may one of these: |
581f7ac7 | 1441 | * A font-spec object made by the function `font-spec' (which see). |
3dcd48dd | 1442 | * A cons (FAMILY . REGISTRY), where FAMILY is a font family name and |
581f7ac7 KH |
1443 | REGISTRY is a font registry name. FAMILY may contain foundry |
1444 | name, and REGISTRY may contain encoding name. | |
00c4da0f | 1445 | * A font name string. |
eaa0402c | 1446 | * nil, which explicitly specifies that there's no font for TARGET. |
1d5d7200 | 1447 | |
a3d16f39 KH |
1448 | Optional 4th argument FRAME is a frame or nil for the selected frame |
1449 | that is concerned in the case that NAME is nil. | |
1d5d7200 KH |
1450 | |
1451 | Optional 5th argument ADD, if non-nil, specifies how to add FONT-SPEC | |
eb36588a | 1452 | to the font specifications for TARGET previously set. If it is |
1d5d7200 KH |
1453 | `prepend', FONT-SPEC is prepended. If it is `append', FONT-SPEC is |
1454 | appended. By default, FONT-SPEC overrides the previous settings. */) | |
5842a27b | 1455 | (Lisp_Object name, Lisp_Object target, Lisp_Object font_spec, Lisp_Object frame, Lisp_Object add) |
0d407d77 | 1456 | { |
06f76f0d | 1457 | Lisp_Object fontset; |
9683749a | 1458 | Lisp_Object font_def, registry, family; |
1d5d7200 | 1459 | Lisp_Object range_list; |
fb78e2ed | 1460 | struct charset *charset = NULL; |
d6490542 | 1461 | Lisp_Object fontname; |
a864ef14 | 1462 | bool ascii_changed = 0; |
0d407d77 | 1463 | |
a3d16f39 | 1464 | fontset = check_fontset_name (name, &frame); |
1d5d7200 | 1465 | |
d6490542 | 1466 | fontname = Qnil; |
581f7ac7 | 1467 | if (CONSP (font_spec)) |
0d407d77 | 1468 | { |
581f7ac7 | 1469 | Lisp_Object spec = Ffont_spec (0, NULL); |
1d5d7200 | 1470 | |
581f7ac7 KH |
1471 | font_parse_family_registry (XCAR (font_spec), XCDR (font_spec), spec); |
1472 | font_spec = spec; | |
d6490542 | 1473 | fontname = Ffont_xlfd_name (font_spec, Qnil); |
0890801b | 1474 | } |
d67f7f1a | 1475 | else if (STRINGP (font_spec)) |
4ed46869 | 1476 | { |
ea0162a6 KH |
1477 | Lisp_Object args[2]; |
1478 | ||
d6490542 | 1479 | fontname = font_spec; |
ea0162a6 KH |
1480 | args[0] = QCname; |
1481 | args[1] = font_spec; | |
1482 | font_spec = Ffont_spec (2, args); | |
0d407d77 | 1483 | } |
d6490542 KH |
1484 | else if (FONT_SPEC_P (font_spec)) |
1485 | fontname = Ffont_xlfd_name (font_spec, Qnil); | |
1486 | else if (! NILP (font_spec)) | |
581f7ac7 | 1487 | Fsignal (Qfont, list2 (build_string ("Invalid font-spec"), font_spec)); |
1d5d7200 | 1488 | |
d67f7f1a | 1489 | if (! NILP (font_spec)) |
57e13af9 | 1490 | { |
581f7ac7 KH |
1491 | Lisp_Object encoding, repertory; |
1492 | ||
d67f7f1a | 1493 | family = AREF (font_spec, FONT_FAMILY_INDEX); |
581f7ac7 | 1494 | if (! NILP (family) ) |
d67f7f1a KH |
1495 | family = SYMBOL_NAME (family); |
1496 | registry = AREF (font_spec, FONT_REGISTRY_INDEX); | |
581f7ac7 KH |
1497 | if (! NILP (registry)) |
1498 | registry = Fdowncase (SYMBOL_NAME (registry)); | |
1499 | encoding = find_font_encoding (concat3 (family, build_string ("-"), | |
1500 | registry)); | |
d67f7f1a KH |
1501 | if (NILP (encoding)) |
1502 | encoding = Qascii; | |
1503 | ||
1504 | if (SYMBOLP (encoding)) | |
1505 | { | |
1506 | CHECK_CHARSET (encoding); | |
1507 | encoding = repertory = CHARSET_SYMBOL_ID (encoding); | |
1508 | } | |
1509 | else | |
57e13af9 | 1510 | { |
d67f7f1a KH |
1511 | repertory = XCDR (encoding); |
1512 | encoding = XCAR (encoding); | |
1513 | CHECK_CHARSET (encoding); | |
1514 | encoding = CHARSET_SYMBOL_ID (encoding); | |
1515 | if (! NILP (repertory) && SYMBOLP (repertory)) | |
1516 | { | |
1517 | CHECK_CHARSET (repertory); | |
1518 | repertory = CHARSET_SYMBOL_ID (repertory); | |
1519 | } | |
57e13af9 | 1520 | } |
581f7ac7 | 1521 | FONT_DEF_NEW (font_def, font_spec, encoding, repertory); |
0d407d77 | 1522 | } |
d67f7f1a KH |
1523 | else |
1524 | font_def = Qnil; | |
4ed46869 | 1525 | |
eb36588a | 1526 | if (CHARACTERP (target)) |
d6490542 KH |
1527 | { |
1528 | if (XFASTINT (target) < 0x80) | |
d7a39b51 | 1529 | error ("Can't set a font for partial ASCII range"); |
d6490542 KH |
1530 | range_list = Fcons (Fcons (target, target), Qnil); |
1531 | } | |
eb36588a | 1532 | else if (CONSP (target)) |
0d407d77 | 1533 | { |
06f76f0d KH |
1534 | Lisp_Object from, to; |
1535 | ||
eb36588a KH |
1536 | from = Fcar (target); |
1537 | to = Fcdr (target); | |
06f76f0d KH |
1538 | CHECK_CHARACTER (from); |
1539 | CHECK_CHARACTER (to); | |
d6490542 KH |
1540 | if (XFASTINT (from) < 0x80) |
1541 | { | |
1542 | if (XFASTINT (from) != 0 || XFASTINT (to) < 0x7F) | |
d7a39b51 | 1543 | error ("Can't set a font for partial ASCII range"); |
d6490542 KH |
1544 | ascii_changed = 1; |
1545 | } | |
eb36588a | 1546 | range_list = Fcons (target, Qnil); |
4ed46869 | 1547 | } |
eb36588a | 1548 | else if (SYMBOLP (target) && !NILP (target)) |
8a9be3ac | 1549 | { |
1d5d7200 KH |
1550 | Lisp_Object script_list; |
1551 | Lisp_Object val; | |
0d407d77 | 1552 | |
1d5d7200 KH |
1553 | range_list = Qnil; |
1554 | script_list = XCHAR_TABLE (Vchar_script_table)->extras[0]; | |
eb36588a | 1555 | if (! NILP (Fmemq (target, script_list))) |
afe93d01 | 1556 | { |
d6490542 KH |
1557 | if (EQ (target, Qlatin)) |
1558 | ascii_changed = 1; | |
eb36588a | 1559 | val = Fcons (target, Qnil); |
1d5d7200 | 1560 | map_char_table (accumulate_script_ranges, Qnil, Vchar_script_table, |
8f924df7 | 1561 | val); |
a3d16f39 | 1562 | range_list = Fnreverse (XCDR (val)); |
afe93d01 | 1563 | } |
fb78e2ed | 1564 | if (CHARSETP (target)) |
afe93d01 | 1565 | { |
d6490542 KH |
1566 | CHECK_CHARSET_GET_CHARSET (target, charset); |
1567 | if (charset->ascii_compatible_p) | |
1568 | ascii_changed = 1; | |
afe93d01 | 1569 | } |
fb78e2ed | 1570 | else if (NILP (range_list)) |
1d5d7200 | 1571 | error ("Invalid script or charset name: %s", |
eb36588a | 1572 | SDATA (SYMBOL_NAME (target))); |
8a9be3ac | 1573 | } |
eb36588a KH |
1574 | else if (NILP (target)) |
1575 | range_list = Fcons (Qnil, Qnil); | |
1576 | else | |
1577 | error ("Invalid target for setting a font"); | |
0d407d77 | 1578 | |
a3d16f39 KH |
1579 | if (ascii_changed) |
1580 | { | |
1581 | Lisp_Object val; | |
1582 | ||
1583 | if (NILP (font_spec)) | |
1584 | error ("Can't set ASCII font to nil"); | |
1585 | val = CHAR_TABLE_REF (fontset, 0); | |
1586 | if (! NILP (val) && EQ (add, Qappend)) | |
1587 | /* We are going to change just an additional font for ASCII. */ | |
1588 | ascii_changed = 0; | |
1589 | } | |
fb78e2ed KH |
1590 | |
1591 | if (charset) | |
1592 | { | |
a3d16f39 KH |
1593 | Lisp_Object arg; |
1594 | ||
25721f5b | 1595 | arg = make_uninit_vector (5); |
a3d16f39 KH |
1596 | ASET (arg, 0, fontset); |
1597 | ASET (arg, 1, font_def); | |
1598 | ASET (arg, 2, add); | |
1599 | ASET (arg, 3, ascii_changed ? Qt : Qnil); | |
1600 | ASET (arg, 4, range_list); | |
fb78e2ed | 1601 | |
a3d16f39 | 1602 | map_charset_chars (set_fontset_font, Qnil, arg, charset, |
fb78e2ed KH |
1603 | CHARSET_MIN_CODE (charset), |
1604 | CHARSET_MAX_CODE (charset)); | |
a3d16f39 | 1605 | range_list = AREF (arg, 4); |
fb78e2ed | 1606 | } |
1d5d7200 KH |
1607 | for (; CONSP (range_list); range_list = XCDR (range_list)) |
1608 | FONTSET_ADD (fontset, XCAR (range_list), font_def, add); | |
4ed46869 | 1609 | |
d6490542 KH |
1610 | if (ascii_changed) |
1611 | { | |
7519b8cd | 1612 | Lisp_Object tail, fr, alist; |
d6490542 KH |
1613 | int fontset_id = XINT (FONTSET_ID (fontset)); |
1614 | ||
d0d2d26f | 1615 | set_fontset_ascii (fontset, fontname); |
d6490542 | 1616 | name = FONTSET_NAME (fontset); |
7519b8cd | 1617 | FOR_EACH_FRAME (tail, fr) |
d6490542 | 1618 | { |
7519b8cd | 1619 | FRAME_PTR f = XFRAME (fr); |
d6490542 | 1620 | Lisp_Object font_object; |
0875632e | 1621 | struct face *face; |
d6490542 | 1622 | |
0875632e | 1623 | if (FRAME_INITIAL_P (f) || FRAME_TERMCAP_P (f)) |
d6490542 KH |
1624 | continue; |
1625 | if (fontset_id != FRAME_FONTSET (f)) | |
1626 | continue; | |
0875632e KH |
1627 | face = FACE_FROM_ID (f, DEFAULT_FACE_ID); |
1628 | if (face) | |
1629 | font_object = font_load_for_lface (f, face->lface, font_spec); | |
1630 | else | |
1631 | font_object = font_open_by_spec (f, font_spec); | |
d6490542 KH |
1632 | if (! NILP (font_object)) |
1633 | { | |
1634 | update_auto_fontset_alist (font_object, fontset); | |
0875632e | 1635 | alist = Fcons (Fcons (Qfont, Fcons (name, font_object)), Qnil); |
7519b8cd | 1636 | Fmodify_frame_parameters (fr, alist); |
d6490542 KH |
1637 | } |
1638 | } | |
1639 | } | |
1640 | ||
0875632e KH |
1641 | /* Free all realized fontsets whose base is FONTSET. This way, the |
1642 | specified character(s) are surely redisplayed by a correct | |
1643 | font. */ | |
1644 | free_realized_fontsets (fontset); | |
1645 | ||
4ed46869 KH |
1646 | return Qnil; |
1647 | } | |
1648 | ||
06f76f0d KH |
1649 | |
1650 | DEFUN ("new-fontset", Fnew_fontset, Snew_fontset, 2, 2, 0, | |
1651 | doc: /* Create a new fontset NAME from font information in FONTLIST. | |
1652 | ||
1d5d7200 | 1653 | FONTLIST is an alist of scripts vs the corresponding font specification list. |
d6aaac9e KH |
1654 | Each element of FONTLIST has the form (SCRIPT FONT-SPEC ...), where a |
1655 | character of SCRIPT is displayed by a font that matches one of | |
1656 | FONT-SPEC. | |
06f76f0d | 1657 | |
d6aaac9e KH |
1658 | SCRIPT is a symbol that appears in the first extra slot of the |
1659 | char-table `char-script-table'. | |
06f76f0d | 1660 | |
1d5d7200 KH |
1661 | FONT-SPEC is a vector, a cons, or a string. See the documentation of |
1662 | `set-fontset-font' for the meaning. */) | |
5842a27b | 1663 | (Lisp_Object name, Lisp_Object fontlist) |
06f76f0d | 1664 | { |
1d5d7200 | 1665 | Lisp_Object fontset; |
1d5d7200 | 1666 | int id; |
06f76f0d KH |
1667 | |
1668 | CHECK_STRING (name); | |
1669 | CHECK_LIST (fontlist); | |
1670 | ||
581f7ac7 | 1671 | name = Fdowncase (name); |
1d5d7200 KH |
1672 | id = fs_query_fontset (name, 0); |
1673 | if (id < 0) | |
0d407d77 | 1674 | { |
581f7ac7 KH |
1675 | Lisp_Object font_spec = Ffont_spec (0, NULL); |
1676 | Lisp_Object short_name; | |
5f2d79e0 | 1677 | char xlfd[256]; |
581f7ac7 KH |
1678 | int len; |
1679 | ||
984e7f30 | 1680 | if (font_parse_xlfd (SSDATA (name), SBYTES (name), font_spec) < 0) |
d6aaac9e | 1681 | error ("Fontset name must be in XLFD format"); |
581f7ac7 | 1682 | short_name = AREF (font_spec, FONT_REGISTRY_INDEX); |
51b59d79 | 1683 | if (strncmp (SSDATA (SYMBOL_NAME (short_name)), "fontset-", 8) |
581f7ac7 KH |
1684 | || SBYTES (SYMBOL_NAME (short_name)) < 9) |
1685 | error ("Registry field of fontset name must be \"fontset-*\""); | |
1686 | Vfontset_alias_alist = Fcons (Fcons (name, SYMBOL_NAME (short_name)), | |
1687 | Vfontset_alias_alist); | |
1688 | ASET (font_spec, FONT_REGISTRY_INDEX, Qiso8859_1); | |
d6aaac9e | 1689 | fontset = make_fontset (Qnil, name, Qnil); |
5f2d79e0 KH |
1690 | len = font_unparse_xlfd (font_spec, 0, xlfd, 256); |
1691 | if (len < 0) | |
1692 | error ("Invalid fontset name (perhaps too long): %s", SDATA (name)); | |
d0d2d26f | 1693 | set_fontset_ascii (fontset, make_unibyte_string (xlfd, len)); |
d6aaac9e | 1694 | } |
1d5d7200 KH |
1695 | else |
1696 | { | |
8510724d | 1697 | fontset = FONTSET_FROM_ID (id); |
1d5d7200 KH |
1698 | free_realized_fontsets (fontset); |
1699 | Fset_char_table_range (fontset, Qt, Qnil); | |
0d407d77 | 1700 | } |
4ed46869 | 1701 | |
7d7bbefd | 1702 | for (; CONSP (fontlist); fontlist = XCDR (fontlist)) |
1d5d7200 KH |
1703 | { |
1704 | Lisp_Object elt, script; | |
1705 | ||
34348bd4 | 1706 | elt = XCAR (fontlist); |
1d5d7200 | 1707 | script = Fcar (elt); |
cc36ddbf KH |
1708 | elt = Fcdr (elt); |
1709 | if (CONSP (elt) && (NILP (XCDR (elt)) || CONSP (XCDR (elt)))) | |
1710 | for (; CONSP (elt); elt = XCDR (elt)) | |
1711 | Fset_fontset_font (name, script, XCAR (elt), Qnil, Qappend); | |
1712 | else | |
1713 | Fset_fontset_font (name, script, elt, Qnil, Qappend); | |
1d5d7200 | 1714 | } |
06f76f0d KH |
1715 | return name; |
1716 | } | |
1717 | ||
1718 | ||
452a78e0 | 1719 | /* Alist of automatically created fontsets. Each element is a cons |
581f7ac7 | 1720 | (FONT-SPEC . FONTSET-ID). */ |
452a78e0 | 1721 | static Lisp_Object auto_fontset_alist; |
d6aaac9e | 1722 | |
d6490542 | 1723 | /* Number of automatically created fontsets. */ |
d311d28c | 1724 | static ptrdiff_t num_auto_fontsets; |
d6490542 | 1725 | |
0b381c7e | 1726 | /* Return a fontset synthesized from FONT-OBJECT. This is called from |
d8d2f142 KH |
1727 | x_new_font when FONT-OBJECT is used for the default ASCII font of a |
1728 | frame, and the returned fontset is used for the default fontset of | |
1729 | that frame. The fontset specifies a font of the same registry as | |
1730 | FONT-OBJECT for all characters in the repertory of the registry | |
1731 | (see Vfont_encoding_alist). If the repertory is not known, the | |
1732 | fontset specifies the font for all Latin characters assuming that a | |
1733 | user intends to use FONT-OBJECT for Latin characters. */ | |
d6490542 | 1734 | |
d6aaac9e | 1735 | int |
971de7fb | 1736 | fontset_from_font (Lisp_Object font_object) |
8aa07a8d | 1737 | { |
03ef560c | 1738 | Lisp_Object font_name = font_get_name (font_object); |
92470028 | 1739 | Lisp_Object font_spec = copy_font_spec (font_object); |
d6490542 | 1740 | Lisp_Object registry = AREF (font_spec, FONT_REGISTRY_INDEX); |
581f7ac7 KH |
1741 | Lisp_Object fontset_spec, alias, name, fontset; |
1742 | Lisp_Object val; | |
8aa07a8d | 1743 | |
581f7ac7 KH |
1744 | val = assoc_no_quit (font_spec, auto_fontset_alist); |
1745 | if (CONSP (val)) | |
1746 | return XINT (FONTSET_ID (XCDR (val))); | |
d6490542 | 1747 | if (num_auto_fontsets++ == 0) |
581f7ac7 | 1748 | alias = intern ("fontset-startup"); |
03ef560c KH |
1749 | else |
1750 | { | |
d311d28c | 1751 | char temp[sizeof "fontset-auto" + INT_STRLEN_BOUND (ptrdiff_t)]; |
8aa07a8d | 1752 | |
d311d28c | 1753 | sprintf (temp, "fontset-auto%"pD"d", num_auto_fontsets - 1); |
581f7ac7 | 1754 | alias = intern (temp); |
03ef560c | 1755 | } |
92470028 | 1756 | fontset_spec = copy_font_spec (font_spec); |
581f7ac7 | 1757 | ASET (fontset_spec, FONT_REGISTRY_INDEX, alias); |
7ae2e7f0 | 1758 | name = Ffont_xlfd_name (fontset_spec, Qnil); |
4e6a86c6 | 1759 | eassert (!NILP (name)); |
03ef560c | 1760 | fontset = make_fontset (Qnil, name, Qnil); |
581f7ac7 KH |
1761 | Vfontset_alias_alist = Fcons (Fcons (name, SYMBOL_NAME (alias)), |
1762 | Vfontset_alias_alist); | |
1763 | alias = Fdowncase (AREF (font_object, FONT_NAME_INDEX)); | |
1764 | Vfontset_alias_alist = Fcons (Fcons (name, alias), Vfontset_alias_alist); | |
1765 | auto_fontset_alist = Fcons (Fcons (font_spec, fontset), auto_fontset_alist); | |
d8d2f142 KH |
1766 | font_spec = Ffont_spec (0, NULL); |
1767 | ASET (font_spec, FONT_REGISTRY_INDEX, registry); | |
1768 | { | |
1769 | Lisp_Object target = find_font_encoding (SYMBOL_NAME (registry)); | |
1770 | ||
1771 | if (CONSP (target)) | |
1772 | target = XCDR (target); | |
1773 | if (! CHARSETP (target)) | |
1774 | target = Qlatin; | |
1775 | Fset_fontset_font (name, target, font_spec, Qnil, Qnil); | |
1776 | Fset_fontset_font (name, Qnil, font_spec, Qnil, Qnil); | |
1777 | } | |
1778 | ||
d0d2d26f | 1779 | set_fontset_ascii (fontset, font_name); |
edfda783 | 1780 | |
03ef560c | 1781 | return XINT (FONTSET_ID (fontset)); |
8aa07a8d KH |
1782 | } |
1783 | ||
d6490542 KH |
1784 | |
1785 | /* Update auto_fontset_alist for FONTSET. When an ASCII font of | |
1786 | FONTSET is changed, we delete an entry of FONTSET if any from | |
1787 | auto_fontset_alist so that FONTSET is not re-used by | |
1788 | fontset_from_font. */ | |
1789 | ||
1790 | static void | |
971de7fb | 1791 | update_auto_fontset_alist (Lisp_Object font_object, Lisp_Object fontset) |
d6490542 KH |
1792 | { |
1793 | Lisp_Object prev, tail; | |
1794 | ||
1795 | for (prev = Qnil, tail = auto_fontset_alist; CONSP (tail); | |
1796 | prev = tail, tail = XCDR (tail)) | |
1797 | if (EQ (fontset, XCDR (XCAR (tail)))) | |
1798 | { | |
1799 | if (NILP (prev)) | |
1800 | auto_fontset_alist = XCDR (tail); | |
1801 | else | |
1802 | XSETCDR (prev, XCDR (tail)); | |
1803 | break; | |
1804 | } | |
1805 | } | |
1806 | ||
1807 | ||
fe44f009 KH |
1808 | /* Return a cons (FONT-OBJECT . GLYPH-CODE). |
1809 | FONT-OBJECT is the font for the character at POSITION in the current | |
1ff005e1 | 1810 | buffer. This is computed from all the text properties and overlays |
09e80d9f | 1811 | that apply to POSITION. POSITION may be nil, in which case, |
fe44f009 | 1812 | FONT-SPEC is the font for displaying the character CH with the |
cf14fd6e KH |
1813 | default face. |
1814 | ||
92c15c34 KH |
1815 | GLYPH-CODE is the glyph code in the font to use for the character. |
1816 | ||
1817 | If the 2nd optional arg CH is non-nil, it is a character to check | |
1818 | the font instead of the character at POSITION. | |
1819 | ||
1820 | It returns nil in the following cases: | |
1ff005e1 KH |
1821 | |
1822 | (1) The window system doesn't have a font for the character (thus | |
1823 | it is displayed by an empty box). | |
1824 | ||
1825 | (2) The character code is invalid. | |
1826 | ||
cf14fd6e KH |
1827 | (3) If POSITION is not nil, and the current buffer is not displayed |
1828 | in any window. | |
1ff005e1 KH |
1829 | |
1830 | In addition, the returned font name may not take into account of | |
1831 | such redisplay engine hooks as what used in jit-lock-mode if | |
1832 | POSITION is currently not visible. */ | |
1833 | ||
1834 | ||
92c15c34 | 1835 | DEFUN ("internal-char-font", Finternal_char_font, Sinternal_char_font, 1, 2, 0, |
335c5470 | 1836 | doc: /* For internal use only. */) |
5842a27b | 1837 | (Lisp_Object position, Lisp_Object ch) |
1ff005e1 | 1838 | { |
d311d28c | 1839 | ptrdiff_t pos, pos_byte, dummy; |
1ff005e1 KH |
1840 | int face_id; |
1841 | int c; | |
1ff005e1 KH |
1842 | struct frame *f; |
1843 | struct face *face; | |
1844 | ||
cf14fd6e | 1845 | if (NILP (position)) |
92c15c34 KH |
1846 | { |
1847 | CHECK_CHARACTER (ch); | |
1848 | c = XINT (ch); | |
cf14fd6e | 1849 | f = XFRAME (selected_frame); |
f2cec7a9 | 1850 | face_id = lookup_basic_face (f, DEFAULT_FACE_ID); |
327719ee | 1851 | pos = -1; |
cf14fd6e KH |
1852 | } |
1853 | else | |
1854 | { | |
f0397f5a | 1855 | Lisp_Object window; |
cf14fd6e KH |
1856 | struct window *w; |
1857 | ||
1858 | CHECK_NUMBER_COERCE_MARKER (position); | |
d311d28c | 1859 | if (! (BEGV <= XINT (position) && XINT (position) < ZV)) |
cf14fd6e | 1860 | args_out_of_range_3 (position, make_number (BEGV), make_number (ZV)); |
d311d28c | 1861 | pos = XINT (position); |
cf14fd6e KH |
1862 | pos_byte = CHAR_TO_BYTE (pos); |
1863 | if (NILP (ch)) | |
1864 | c = FETCH_CHAR (pos_byte); | |
1865 | else | |
1866 | { | |
1867 | CHECK_NATNUM (ch); | |
1868 | c = XINT (ch); | |
1869 | } | |
1870 | window = Fget_buffer_window (Fcurrent_buffer (), Qnil); | |
1871 | if (NILP (window)) | |
1872 | return Qnil; | |
1873 | w = XWINDOW (window); | |
d3d50620 | 1874 | f = XFRAME (w->frame); |
6970f632 CY |
1875 | face_id = face_at_buffer_position (w, pos, -1, -1, &dummy, |
1876 | pos + 100, 0, -1); | |
92c15c34 | 1877 | } |
2638320e | 1878 | if (! CHAR_VALID_P (c)) |
1ff005e1 | 1879 | return Qnil; |
3fa1e84d EZ |
1880 | if (!FRAME_WINDOW_P (f)) |
1881 | return Qnil; | |
327719ee | 1882 | face_id = FACE_FOR_CHAR (f, FACE_FROM_ID (f, face_id), c, pos, Qnil); |
1ff005e1 | 1883 | face = FACE_FROM_ID (f, face_id); |
581f7ac7 | 1884 | if (face->font) |
8aa07a8d | 1885 | { |
fe44f009 KH |
1886 | unsigned code = face->font->driver->encode_char (face->font, c); |
1887 | Lisp_Object font_object; | |
581f7ac7 KH |
1888 | |
1889 | if (code == FONT_INVALID_CODE) | |
1890 | return Qnil; | |
fe44f009 | 1891 | XSETFONT (font_object, face->font); |
be44ca6c | 1892 | return Fcons (font_object, INTEGER_TO_CONS (code)); |
92c15c34 KH |
1893 | } |
1894 | return Qnil; | |
1ff005e1 KH |
1895 | } |
1896 | ||
1897 | ||
1d5d7200 KH |
1898 | DEFUN ("fontset-info", Ffontset_info, Sfontset_info, 1, 2, 0, |
1899 | doc: /* Return information about a fontset FONTSET on frame FRAME. | |
e2b45cf9 | 1900 | |
a3d16f39 KH |
1901 | FONTSET is a fontset name string, nil for the fontset of FRAME, or t |
1902 | for the default fontset. FRAME nil means the selected frame. | |
1ff005e1 | 1903 | |
a3d16f39 | 1904 | The value is a char-table whose elements have this form: |
1ff005e1 | 1905 | |
a3d16f39 | 1906 | ((FONT OPENED-FONT ...) ...) |
1ff005e1 | 1907 | |
a3d16f39 | 1908 | FONT is a name of font specified for a range of characters. |
1ff005e1 | 1909 | |
d6aaac9e | 1910 | OPENED-FONT is a name of a font actually opened. |
1ff005e1 | 1911 | |
a3d16f39 KH |
1912 | The char-table has one extra slot. If FONTSET is not the default |
1913 | fontset, the value the extra slot is a char-table containing the | |
1914 | information about the derived fonts from the default fontset. The | |
1915 | format is the same as above. */) | |
5842a27b | 1916 | (Lisp_Object fontset, Lisp_Object frame) |
4ed46869 | 1917 | { |
cc7b6145 KH |
1918 | Lisp_Object *realized[2], fontsets[2], tables[2]; |
1919 | Lisp_Object val, elt; | |
1920 | int c, i, j, k; | |
fc8865fc | 1921 | |
4ed46869 KH |
1922 | (*check_window_system_func) (); |
1923 | ||
a3d16f39 | 1924 | fontset = check_fontset_name (fontset, &frame); |
4ed46869 | 1925 | |
1d5d7200 KH |
1926 | /* Recode fontsets realized on FRAME from the base fontset FONTSET |
1927 | in the table `realized'. */ | |
663e2b3f | 1928 | realized[0] = alloca (word_size * ASIZE (Vfontset_table)); |
cc7b6145 | 1929 | for (i = j = 0; i < ASIZE (Vfontset_table); i++) |
0d407d77 | 1930 | { |
1ff005e1 KH |
1931 | elt = FONTSET_FROM_ID (i); |
1932 | if (!NILP (elt) | |
1d5d7200 KH |
1933 | && EQ (FONTSET_BASE (elt), fontset) |
1934 | && EQ (FONTSET_FRAME (elt), frame)) | |
cc7b6145 | 1935 | realized[0][j++] = elt; |
0d407d77 | 1936 | } |
cc7b6145 | 1937 | realized[0][j] = Qnil; |
4ed46869 | 1938 | |
663e2b3f | 1939 | realized[1] = alloca (word_size * ASIZE (Vfontset_table)); |
cc7b6145 KH |
1940 | for (i = j = 0; ! NILP (realized[0][i]); i++) |
1941 | { | |
1942 | elt = FONTSET_DEFAULT (realized[0][i]); | |
1943 | if (! NILP (elt)) | |
1944 | realized[1][j++] = elt; | |
1945 | } | |
1946 | realized[1][j] = Qnil; | |
1947 | ||
1948 | tables[0] = Fmake_char_table (Qfontset_info, Qnil); | |
cc7b6145 | 1949 | fontsets[0] = fontset; |
348db3dd | 1950 | if (!EQ (fontset, Vdefault_fontset)) |
a3d16f39 KH |
1951 | { |
1952 | tables[1] = Fmake_char_table (Qnil, Qnil); | |
34dabdb7 | 1953 | set_char_table_extras (tables[0], 0, tables[1]); |
a3d16f39 KH |
1954 | fontsets[1] = Vdefault_fontset; |
1955 | } | |
e2b45cf9 | 1956 | |
1d5d7200 KH |
1957 | /* Accumulate information of the fontset in TABLE. The format of |
1958 | each element is ((FONT-SPEC OPENED-FONT ...) ...). */ | |
cc7b6145 | 1959 | for (k = 0; k <= 1; k++) |
0d407d77 | 1960 | { |
cc7b6145 | 1961 | for (c = 0; c <= MAX_CHAR; ) |
d6aaac9e | 1962 | { |
5b30be1a | 1963 | int from = c, to = MAX_5_BYTE_CHAR; |
0d407d77 | 1964 | |
cc7b6145 KH |
1965 | if (c <= MAX_5_BYTE_CHAR) |
1966 | { | |
1967 | val = char_table_ref_and_range (fontsets[k], c, &from, &to); | |
cc7b6145 KH |
1968 | } |
1969 | else | |
1970 | { | |
1971 | val = FONTSET_FALLBACK (fontsets[k]); | |
1972 | to = MAX_CHAR; | |
1973 | } | |
d6aaac9e | 1974 | if (VECTORP (val)) |
0d407d77 | 1975 | { |
d6aaac9e KH |
1976 | Lisp_Object alist; |
1977 | ||
1978 | /* At first, set ALIST to ((FONT-SPEC) ...). */ | |
1979 | for (alist = Qnil, i = 0; i < ASIZE (val); i++) | |
581f7ac7 KH |
1980 | if (! NILP (AREF (val, i))) |
1981 | alist = Fcons (Fcons (FONT_DEF_SPEC (AREF (val, i)), Qnil), | |
1982 | alist); | |
d6aaac9e KH |
1983 | alist = Fnreverse (alist); |
1984 | ||
660100f3 | 1985 | /* Then store opened font names to cdr of each elements. */ |
cc7b6145 | 1986 | for (i = 0; ! NILP (realized[k][i]); i++) |
1ff005e1 | 1987 | { |
cc7b6145 KH |
1988 | if (c <= MAX_5_BYTE_CHAR) |
1989 | val = FONTSET_REF (realized[k][i], c); | |
1990 | else | |
1991 | val = FONTSET_FALLBACK (realized[k][i]); | |
a3d16f39 | 1992 | if (! CONSP (val) || ! VECTORP (XCDR (val))) |
d6aaac9e | 1993 | continue; |
a3d16f39 KH |
1994 | /* VAL: (int . [[FACE-ID FONT-DEF FONT-OBJECT int] ... ]) */ |
1995 | val = XCDR (val); | |
1996 | for (j = 0; j < ASIZE (val); j++) | |
3d4448a8 | 1997 | { |
581f7ac7 KH |
1998 | elt = AREF (val, j); |
1999 | if (FONT_OBJECT_P (RFONT_DEF_OBJECT (elt))) | |
2000 | { | |
2001 | Lisp_Object font_object = RFONT_DEF_OBJECT (elt); | |
2002 | Lisp_Object slot, name; | |
2003 | ||
2004 | slot = Fassq (RFONT_DEF_SPEC (elt), alist); | |
2005 | name = AREF (font_object, FONT_NAME_INDEX); | |
2006 | if (NILP (Fmember (name, XCDR (slot)))) | |
2007 | nconc2 (slot, Fcons (name, Qnil)); | |
2008 | } | |
3d4448a8 | 2009 | } |
1ff005e1 | 2010 | } |
d6aaac9e KH |
2011 | |
2012 | /* Store ALIST in TBL for characters C..TO. */ | |
cc7b6145 KH |
2013 | if (c <= MAX_5_BYTE_CHAR) |
2014 | char_table_set_range (tables[k], c, to, alist); | |
2015 | else | |
742af32f | 2016 | set_char_table_defalt (tables[k], alist); |
581f7ac7 KH |
2017 | |
2018 | /* At last, change each elements to font names. */ | |
2019 | for (; CONSP (alist); alist = XCDR (alist)) | |
2020 | { | |
2021 | elt = XCAR (alist); | |
7ae2e7f0 | 2022 | XSETCAR (elt, Ffont_xlfd_name (XCAR (elt), Qnil)); |
581f7ac7 | 2023 | } |
0d407d77 | 2024 | } |
d6aaac9e | 2025 | c = to + 1; |
0d407d77 | 2026 | } |
348db3dd | 2027 | if (EQ (fontset, Vdefault_fontset)) |
a3d16f39 | 2028 | break; |
0d407d77 | 2029 | } |
a921395d | 2030 | |
cc7b6145 | 2031 | return tables[0]; |
4ed46869 KH |
2032 | } |
2033 | ||
1d5d7200 | 2034 | |
0fdf26e6 | 2035 | DEFUN ("fontset-font", Ffontset_font, Sfontset_font, 2, 3, 0, |
335c5470 | 2036 | doc: /* Return a font name pattern for character CH in fontset NAME. |
0fdf26e6 | 2037 | If NAME is t, find a pattern in the default fontset. |
5fc05db0 | 2038 | If NAME is nil, find a pattern in the fontset of the selected frame. |
0fdf26e6 KH |
2039 | |
2040 | The value has the form (FAMILY . REGISTRY), where FAMILY is a font | |
2041 | family name and REGISTRY is a font registry name. This is actually | |
2042 | the first font name pattern for CH in the fontset or in the default | |
2043 | fontset. | |
2044 | ||
2045 | If the 2nd optional arg ALL is non-nil, return a list of all font name | |
2046 | patterns. */) | |
5842a27b | 2047 | (Lisp_Object name, Lisp_Object ch, Lisp_Object all) |
0d407d77 | 2048 | { |
1337ac77 | 2049 | int c; |
0fdf26e6 KH |
2050 | Lisp_Object fontset, elt, list, repertory, val; |
2051 | int i, j; | |
a3d16f39 | 2052 | Lisp_Object frame; |
0d407d77 | 2053 | |
a3d16f39 KH |
2054 | frame = Qnil; |
2055 | fontset = check_fontset_name (name, &frame); | |
0d407d77 | 2056 | |
06f76f0d | 2057 | CHECK_CHARACTER (ch); |
0d407d77 | 2058 | c = XINT (ch); |
0fdf26e6 KH |
2059 | list = Qnil; |
2060 | while (1) | |
2061 | { | |
2062 | for (i = 0, elt = FONTSET_REF (fontset, c); i < 2; | |
2063 | i++, elt = FONTSET_FALLBACK (fontset)) | |
2064 | if (VECTORP (elt)) | |
2065 | for (j = 0; j < ASIZE (elt); j++) | |
2066 | { | |
a124bbb6 KH |
2067 | Lisp_Object family, registry; |
2068 | ||
0fdf26e6 | 2069 | val = AREF (elt, j); |
5fc05db0 | 2070 | if (NILP (val)) |
563a866e | 2071 | return Qnil; |
0fdf26e6 KH |
2072 | repertory = AREF (val, 1); |
2073 | if (INTEGERP (repertory)) | |
2074 | { | |
2075 | struct charset *charset = CHARSET_FROM_ID (XINT (repertory)); | |
2076 | ||
2077 | if (! CHAR_CHARSET_P (c, charset)) | |
2078 | continue; | |
2079 | } | |
2080 | else if (CHAR_TABLE_P (repertory)) | |
2081 | { | |
2082 | if (NILP (CHAR_TABLE_REF (repertory, c))) | |
2083 | continue; | |
2084 | } | |
2085 | val = AREF (val, 0); | |
a124bbb6 KH |
2086 | /* VAL is a FONT-SPEC */ |
2087 | family = AREF (val, FONT_FAMILY_INDEX); | |
2088 | if (! NILP (family)) | |
2089 | family = SYMBOL_NAME (family); | |
2090 | registry = AREF (val, FONT_REGISTRY_INDEX); | |
2091 | if (! NILP (registry)) | |
2092 | registry = SYMBOL_NAME (registry); | |
2093 | val = Fcons (family, registry); | |
0fdf26e6 KH |
2094 | if (NILP (all)) |
2095 | return val; | |
2096 | list = Fcons (val, list); | |
2097 | } | |
2098 | if (EQ (fontset, Vdefault_fontset)) | |
2099 | break; | |
2100 | fontset = Vdefault_fontset; | |
2101 | } | |
2102 | return (Fnreverse (list)); | |
0d407d77 | 2103 | } |
0d407d77 KH |
2104 | |
2105 | DEFUN ("fontset-list", Ffontset_list, Sfontset_list, 0, 0, 0, | |
335c5470 | 2106 | doc: /* Return a list of all defined fontset names. */) |
5842a27b | 2107 | (void) |
0d407d77 KH |
2108 | { |
2109 | Lisp_Object fontset, list; | |
2110 | int i; | |
2111 | ||
2112 | list = Qnil; | |
2113 | for (i = 0; i < ASIZE (Vfontset_table); i++) | |
2114 | { | |
2115 | fontset = FONTSET_FROM_ID (i); | |
2116 | if (!NILP (fontset) | |
2117 | && BASE_FONTSET_P (fontset)) | |
2118 | list = Fcons (FONTSET_NAME (fontset), list); | |
2119 | } | |
1ff005e1 | 2120 | |
0d407d77 KH |
2121 | return list; |
2122 | } | |
2123 | ||
452a78e0 | 2124 | |
a54e2c05 | 2125 | #ifdef ENABLE_CHECKING |
452a78e0 | 2126 | |
8a10d76c PE |
2127 | Lisp_Object dump_fontset (Lisp_Object) EXTERNALLY_VISIBLE; |
2128 | ||
452a78e0 | 2129 | Lisp_Object |
ef1b0ba7 | 2130 | dump_fontset (Lisp_Object fontset) |
452a78e0 KH |
2131 | { |
2132 | Lisp_Object vec; | |
2133 | ||
2134 | vec = Fmake_vector (make_number (3), Qnil); | |
2135 | ASET (vec, 0, FONTSET_ID (fontset)); | |
2136 | ||
2137 | if (BASE_FONTSET_P (fontset)) | |
2138 | { | |
2139 | ASET (vec, 1, FONTSET_NAME (fontset)); | |
2140 | } | |
2141 | else | |
2142 | { | |
2143 | Lisp_Object frame; | |
2144 | ||
2145 | frame = FONTSET_FRAME (fontset); | |
2146 | if (FRAMEP (frame)) | |
2147 | { | |
2148 | FRAME_PTR f = XFRAME (frame); | |
2149 | ||
2150 | if (FRAME_LIVE_P (f)) | |
1c82b4b3 | 2151 | ASET (vec, 1, |
5b20b3cc | 2152 | Fcons (FONTSET_NAME (FONTSET_BASE (fontset)), |
e69b0960 | 2153 | f->name)); |
452a78e0 | 2154 | else |
1c82b4b3 KH |
2155 | ASET (vec, 1, |
2156 | Fcons (FONTSET_NAME (FONTSET_BASE (fontset)), Qnil)); | |
452a78e0 | 2157 | } |
eb36588a KH |
2158 | if (!NILP (FONTSET_DEFAULT (fontset))) |
2159 | ASET (vec, 2, FONTSET_ID (FONTSET_DEFAULT (fontset))); | |
452a78e0 KH |
2160 | } |
2161 | return vec; | |
2162 | } | |
2163 | ||
a7ca3326 | 2164 | DEFUN ("fontset-list-all", Ffontset_list_all, Sfontset_list_all, 0, 0, 0, |
452a78e0 | 2165 | doc: /* Return a brief summary of all fontsets for debug use. */) |
5842a27b | 2166 | (void) |
452a78e0 KH |
2167 | { |
2168 | Lisp_Object val; | |
2169 | int i; | |
2170 | ||
2171 | for (i = 0, val = Qnil; i < ASIZE (Vfontset_table); i++) | |
2172 | if (! NILP (AREF (Vfontset_table, i))) | |
2173 | val = Fcons (dump_fontset (AREF (Vfontset_table, i)), val); | |
2174 | return (Fnreverse (val)); | |
2175 | } | |
a54e2c05 | 2176 | #endif /* ENABLE_CHECKING */ |
452a78e0 | 2177 | |
dfcf069d | 2178 | void |
971de7fb | 2179 | syms_of_fontset (void) |
4ed46869 | 2180 | { |
1d5d7200 | 2181 | DEFSYM (Qfontset, "fontset"); |
eb36588a | 2182 | Fput (Qfontset, Qchar_table_extra_slots, make_number (9)); |
d6aaac9e KH |
2183 | DEFSYM (Qfontset_info, "fontset-info"); |
2184 | Fput (Qfontset_info, Qchar_table_extra_slots, make_number (1)); | |
4ed46869 | 2185 | |
1d5d7200 KH |
2186 | DEFSYM (Qprepend, "prepend"); |
2187 | DEFSYM (Qappend, "append"); | |
c3fb88cc | 2188 | DEFSYM (Qlatin, "latin"); |
4ed46869 KH |
2189 | |
2190 | Vcached_fontset_data = Qnil; | |
2191 | staticpro (&Vcached_fontset_data); | |
2192 | ||
0d407d77 KH |
2193 | Vfontset_table = Fmake_vector (make_number (32), Qnil); |
2194 | staticpro (&Vfontset_table); | |
0d407d77 KH |
2195 | |
2196 | Vdefault_fontset = Fmake_char_table (Qfontset, Qnil); | |
2197 | staticpro (&Vdefault_fontset); | |
d0d2d26f PE |
2198 | set_fontset_id (Vdefault_fontset, make_number (0)); |
2199 | set_fontset_name | |
6d470bdd DA |
2200 | (Vdefault_fontset, |
2201 | build_pure_c_string ("-*-*-*-*-*-*-*-*-*-*-*-*-fontset-default")); | |
ff7a2223 | 2202 | ASET (Vfontset_table, 0, Vdefault_fontset); |
1ff005e1 | 2203 | next_fontset_id = 1; |
4ed46869 | 2204 | |
452a78e0 KH |
2205 | auto_fontset_alist = Qnil; |
2206 | staticpro (&auto_fontset_alist); | |
2207 | ||
29208e82 | 2208 | DEFVAR_LISP ("font-encoding-charset-alist", Vfont_encoding_charset_alist, |
28e2436a KH |
2209 | doc: /* |
2210 | Alist of charsets vs the charsets to determine the preferred font encoding. | |
eb152aa9 | 2211 | Each element looks like (CHARSET . ENCODING-CHARSET), |
28e2436a KH |
2212 | where ENCODING-CHARSET is a charset registered in the variable |
2213 | `font-encoding-alist' as ENCODING. | |
2214 | ||
2215 | When a text has a property `charset' and the value is CHARSET, a font | |
2216 | whose encoding corresponds to ENCODING-CHARSET is preferred. */); | |
2217 | Vfont_encoding_charset_alist = Qnil; | |
2218 | ||
29208e82 | 2219 | DEFVAR_LISP ("use-default-ascent", Vuse_default_ascent, |
1d5d7200 KH |
2220 | doc: /* |
2221 | Char table of characters whose ascent values should be ignored. | |
335c5470 | 2222 | If an entry for a character is non-nil, the ascent value of the glyph |
eb152aa9 | 2223 | is assumed to be specified by _MULE_DEFAULT_ASCENT property of a font. |
335c5470 PJ |
2224 | |
2225 | This affects how a composite character which contains | |
2226 | such a character is displayed on screen. */); | |
2aeafb78 KH |
2227 | Vuse_default_ascent = Qnil; |
2228 | ||
29208e82 | 2229 | DEFVAR_LISP ("ignore-relative-composition", Vignore_relative_composition, |
1d5d7200 | 2230 | doc: /* |
eb152aa9 | 2231 | Char table of characters which are not composed relatively. |
335c5470 PJ |
2232 | If an entry for a character is non-nil, a composition sequence |
2233 | which contains that character is displayed so that | |
2234 | the glyph of that character is put without considering | |
2235 | an ascent and descent value of a previous character. */); | |
810abb87 | 2236 | Vignore_relative_composition = Qnil; |
6a7e6d80 | 2237 | |
29208e82 | 2238 | DEFVAR_LISP ("alternate-fontname-alist", Valternate_fontname_alist, |
335c5470 PJ |
2239 | doc: /* Alist of fontname vs list of the alternate fontnames. |
2240 | When a specified font name is not found, the corresponding | |
2241 | alternate fontnames (if any) are tried instead. */); | |
01d4b817 | 2242 | Valternate_fontname_alist = Qnil; |
8c83e4f9 | 2243 | |
29208e82 | 2244 | DEFVAR_LISP ("fontset-alias-alist", Vfontset_alias_alist, |
335c5470 | 2245 | doc: /* Alist of fontset names vs the aliases. */); |
1ff005e1 | 2246 | Vfontset_alias_alist = Fcons (Fcons (FONTSET_NAME (Vdefault_fontset), |
2a0213a6 | 2247 | build_pure_c_string ("fontset-default")), |
1ff005e1 | 2248 | Qnil); |
1c283e35 | 2249 | |
810abb87 | 2250 | DEFVAR_LISP ("vertical-centering-font-regexp", |
29208e82 | 2251 | Vvertical_centering_font_regexp, |
fb7ada5f | 2252 | doc: /* Regexp matching font names that require vertical centering on display. |
335c5470 | 2253 | When a character is displayed with such fonts, the character is displayed |
fc8865fc | 2254 | at the vertical center of lines. */); |
810abb87 KH |
2255 | Vvertical_centering_font_regexp = Qnil; |
2256 | ||
29208e82 | 2257 | DEFVAR_LISP ("otf-script-alist", Votf_script_alist, |
21ff5ed6 KH |
2258 | doc: /* Alist of OpenType script tags vs the corresponding script names. */); |
2259 | Votf_script_alist = Qnil; | |
2260 | ||
4ed46869 KH |
2261 | defsubr (&Squery_fontset); |
2262 | defsubr (&Snew_fontset); | |
2263 | defsubr (&Sset_fontset_font); | |
1ff005e1 | 2264 | defsubr (&Sinternal_char_font); |
4ed46869 | 2265 | defsubr (&Sfontset_info); |
0d407d77 KH |
2266 | defsubr (&Sfontset_font); |
2267 | defsubr (&Sfontset_list); | |
a54e2c05 | 2268 | #ifdef ENABLE_CHECKING |
452a78e0 KH |
2269 | defsubr (&Sfontset_list_all); |
2270 | #endif | |
e3400864 | 2271 | } |