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82641697 | 1 | /* xfaces.c -- "Face" primitives. |
e9bffc61 | 2 | |
95df8112 | 3 | Copyright (C) 1993-1994, 1998-2011 Free Software Foundation, Inc. |
7b7739b1 | 4 | |
c115973b JB |
5 | This file is part of GNU Emacs. |
6 | ||
9ec0b715 | 7 | GNU Emacs is free software: you can redistribute it and/or modify |
c115973b | 8 | it under the terms of the GNU General Public License as published by |
9ec0b715 GM |
9 | the Free Software Foundation, either version 3 of the License, or |
10 | (at your option) any later version. | |
c115973b JB |
11 | |
12 | GNU Emacs is distributed in the hope that it will be useful, | |
13 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
9ec0b715 | 18 | along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ |
c115973b | 19 | |
82641697 GM |
20 | /* New face implementation by Gerd Moellmann <gerd@gnu.org>. */ |
21 | ||
22 | /* Faces. | |
23 | ||
24 | When using Emacs with X, the display style of characters can be | |
25 | changed by defining `faces'. Each face can specify the following | |
26 | display attributes: | |
27 | ||
39506348 | 28 | 1. Font family name. |
178c5d9c | 29 | |
53aaf1e2 KH |
30 | 2. Font foundary name. |
31 | ||
32 | 3. Relative proportionate width, aka character set width or set | |
82641697 | 33 | width (swidth), e.g. `semi-compressed'. |
178c5d9c | 34 | |
53aaf1e2 | 35 | 4. Font height in 1/10pt. |
178c5d9c | 36 | |
53aaf1e2 | 37 | 5. Font weight, e.g. `bold'. |
178c5d9c | 38 | |
53aaf1e2 | 39 | 6. Font slant, e.g. `italic'. |
178c5d9c | 40 | |
53aaf1e2 | 41 | 7. Foreground color. |
178c5d9c | 42 | |
53aaf1e2 | 43 | 8. Background color. |
82641697 | 44 | |
53aaf1e2 | 45 | 9. Whether or not characters should be underlined, and in what color. |
82641697 | 46 | |
53aaf1e2 | 47 | 10. Whether or not characters should be displayed in inverse video. |
82641697 | 48 | |
53aaf1e2 | 49 | 11. A background stipple, a bitmap. |
82641697 | 50 | |
53aaf1e2 | 51 | 12. Whether or not characters should be overlined, and in what color. |
82641697 | 52 | |
53aaf1e2 | 53 | 13. Whether or not characters should be strike-through, and in what |
82641697 GM |
54 | color. |
55 | ||
53aaf1e2 | 56 | 14. Whether or not a box should be drawn around characters, the box |
82641697 GM |
57 | type, and, for simple boxes, in what color. |
58 | ||
53aaf1e2 | 59 | 15. Font-spec, or nil. This is a special attribute. |
2dee4c0b KH |
60 | |
61 | A font-spec is a collection of font attributes (specs). | |
62 | ||
63 | When this attribute is specified, the face uses a font matching | |
64 | with the specs as is except for what overwritten by the specs in | |
65 | the fontset (see below). In addition, the other font-related | |
66 | attributes (1st thru 5th) are updated from the spec. | |
67 | ||
39506348 | 68 | On the other hand, if one of the other font-related attributes are |
2dee4c0b | 69 | specified, the correspoinding specs in this attribute is set to nil. |
39506348 | 70 | |
2c20458f MB |
71 | 15. A face name or list of face names from which to inherit attributes. |
72 | ||
a08332c0 GM |
73 | 16. A specified average font width, which is invisible from Lisp, |
74 | and is used to ensure that a font specified on the command line, | |
75 | for example, can be matched exactly. | |
76 | ||
2dee4c0b KH |
77 | 17. A fontset name. This is another special attribute. |
78 | ||
79 | A fontset is a mappings from characters to font-specs, and the | |
80 | specs overwrite the font-spec in the 14th attribute. | |
81 | ||
763bc839 | 82 | |
82641697 GM |
83 | Faces are frame-local by nature because Emacs allows to define the |
84 | same named face (face names are symbols) differently for different | |
85 | frames. Each frame has an alist of face definitions for all named | |
86 | faces. The value of a named face in such an alist is a Lisp vector | |
39506348 KH |
87 | with the symbol `face' in slot 0, and a slot for each of the face |
88 | attributes mentioned above. | |
82641697 GM |
89 | |
90 | There is also a global face alist `Vface_new_frame_defaults'. Face | |
91 | definitions from this list are used to initialize faces of newly | |
92 | created frames. | |
178c5d9c | 93 | |
82641697 | 94 | A face doesn't have to specify all attributes. Those not specified |
39506348 KH |
95 | have a value of `unspecified'. Faces specifying all attributes but |
96 | the 14th are called `fully-specified'. | |
82641697 GM |
97 | |
98 | ||
99 | Face merging. | |
100 | ||
101 | The display style of a given character in the text is determined by | |
102 | combining several faces. This process is called `face merging'. | |
103 | Any aspect of the display style that isn't specified by overlays or | |
104 | text properties is taken from the `default' face. Since it is made | |
105 | sure that the default face is always fully-specified, face merging | |
106 | always results in a fully-specified face. | |
107 | ||
108 | ||
109 | Face realization. | |
178c5d9c | 110 | |
82641697 GM |
111 | After all face attributes for a character have been determined by |
112 | merging faces of that character, that face is `realized'. The | |
113 | realization process maps face attributes to what is physically | |
114 | available on the system where Emacs runs. The result is a | |
115 | `realized face' in form of a struct face which is stored in the | |
116 | face cache of the frame on which it was realized. | |
117 | ||
39506348 KH |
118 | Face realization is done in the context of the character to display |
119 | because different fonts may be used for different characters. In | |
120 | other words, for characters that have different font | |
121 | specifications, different realized faces are needed to display | |
82641697 GM |
122 | them. |
123 | ||
39506348 KH |
124 | Font specification is done by fontsets. See the comment in |
125 | fontset.c for the details. In the current implementation, all ASCII | |
126 | characters share the same font in a fontset. | |
127 | ||
128 | Faces are at first realized for ASCII characters, and, at that | |
129 | time, assigned a specific realized fontset. Hereafter, we call | |
130 | such a face as `ASCII face'. When a face for a multibyte character | |
131 | is realized, it inherits (thus shares) a fontset of an ASCII face | |
132 | that has the same attributes other than font-related ones. | |
133 | ||
763bc839 | 134 | Thus, all realized faces have a realized fontset. |
82641697 GM |
135 | |
136 | ||
137 | Unibyte text. | |
138 | ||
39506348 KH |
139 | Unibyte text (i.e. raw 8-bit characters) is displayed with the same |
140 | font as ASCII characters. That is because it is expected that | |
141 | unibyte text users specify a font that is suitable both for ASCII | |
142 | and raw 8-bit characters. | |
143 | ||
82641697 GM |
144 | |
145 | Font selection. | |
146 | ||
147 | Font selection tries to find the best available matching font for a | |
39506348 | 148 | given (character, face) combination. |
82641697 | 149 | |
39506348 KH |
150 | If the face specifies a fontset name, that fontset determines a |
151 | pattern for fonts of the given character. If the face specifies a | |
152 | font name or the other font-related attributes, a fontset is | |
153 | realized from the default fontset. In that case, that | |
154 | specification determines a pattern for ASCII characters and the | |
155 | default fontset determines a pattern for multibyte characters. | |
82641697 GM |
156 | |
157 | Available fonts on the system on which Emacs runs are then matched | |
158 | against the font pattern. The result of font selection is the best | |
159 | match for the given face attributes in this font list. | |
160 | ||
161 | Font selection can be influenced by the user. | |
162 | ||
163 | 1. The user can specify the relative importance he gives the face | |
164 | attributes width, height, weight, and slant by setting | |
165 | face-font-selection-order (faces.el) to a list of face attribute | |
166 | names. The default is '(:width :height :weight :slant), and means | |
167 | that font selection first tries to find a good match for the font | |
168 | width specified by a face, then---within fonts with that | |
169 | width---tries to find a best match for the specified font height, | |
170 | etc. | |
171 | ||
c824bfbc | 172 | 2. Setting face-font-family-alternatives allows the user to |
82641697 GM |
173 | specify alternative font families to try if a family specified by a |
174 | face doesn't exist. | |
175 | ||
c824bfbc KH |
176 | 3. Setting face-font-registry-alternatives allows the user to |
177 | specify all alternative font registries to try for a face | |
178 | specifying a registry. | |
179 | ||
180 | 4. Setting face-ignored-fonts allows the user to ignore specific | |
181 | fonts. | |
182 | ||
82641697 | 183 | |
ec7a10e3 | 184 | Character composition. |
39506348 KH |
185 | |
186 | Usually, the realization process is already finished when Emacs | |
187 | actually reflects the desired glyph matrix on the screen. However, | |
188 | on displaying a composition (sequence of characters to be composed | |
189 | on the screen), a suitable font for the components of the | |
190 | composition is selected and realized while drawing them on the | |
191 | screen, i.e. the realization process is delayed but in principle | |
192 | the same. | |
82641697 | 193 | |
178c5d9c | 194 | |
82641697 GM |
195 | Initialization of basic faces. |
196 | ||
197 | The faces `default', `modeline' are considered `basic faces'. | |
198 | When redisplay happens the first time for a newly created frame, | |
199 | basic faces are realized for CHARSET_ASCII. Frame parameters are | |
200 | used to fill in unspecified attributes of the default face. */ | |
201 | ||
68c45bf0 | 202 | #include <config.h> |
6b61353c | 203 | #include <stdio.h> |
c115973b JB |
204 | #include <sys/types.h> |
205 | #include <sys/stat.h> | |
4d553a13 | 206 | #include <stdio.h> /* This needs to be before termchar.h */ |
d7306fe6 | 207 | #include <setjmp.h> |
7ee72033 | 208 | |
c115973b | 209 | #include "lisp.h" |
81b39386 | 210 | #include "character.h" |
a8517066 | 211 | #include "charset.h" |
9763806e | 212 | #include "keyboard.h" |
b5c53576 | 213 | #include "frame.h" |
428a555e | 214 | #include "termhooks.h" |
b5c53576 | 215 | |
87485d6f | 216 | #ifdef HAVE_X_WINDOWS |
c115973b | 217 | #include "xterm.h" |
c7ae3284 GM |
218 | #ifdef USE_MOTIF |
219 | #include <Xm/Xm.h> | |
220 | #include <Xm/XmStrDefs.h> | |
221 | #endif /* USE_MOTIF */ | |
d12d0a9b | 222 | #endif /* HAVE_X_WINDOWS */ |
82641697 | 223 | |
87485d6f MW |
224 | #ifdef MSDOS |
225 | #include "dosfns.h" | |
226 | #endif | |
82641697 | 227 | |
c3cee013 JR |
228 | #ifdef WINDOWSNT |
229 | #include "w32term.h" | |
230 | #include "fontset.h" | |
231 | /* Redefine X specifics to W32 equivalents to avoid cluttering the | |
232 | code with #ifdef blocks. */ | |
9763806e | 233 | #undef FRAME_X_DISPLAY_INFO |
c3cee013 JR |
234 | #define FRAME_X_DISPLAY_INFO FRAME_W32_DISPLAY_INFO |
235 | #define x_display_info w32_display_info | |
236 | #define FRAME_X_FONT_TABLE FRAME_W32_FONT_TABLE | |
237 | #define check_x check_w32 | |
c3cee013 | 238 | #define GCGraphicsExposures 0 |
d12d0a9b | 239 | #endif /* WINDOWSNT */ |
c3cee013 | 240 | |
edfda783 AR |
241 | #ifdef HAVE_NS |
242 | #include "nsterm.h" | |
243 | #undef FRAME_X_DISPLAY_INFO | |
244 | #define FRAME_X_DISPLAY_INFO FRAME_NS_DISPLAY_INFO | |
245 | #define x_display_info ns_display_info | |
246 | #define FRAME_X_FONT_TABLE FRAME_NS_FONT_TABLE | |
247 | #define check_x check_ns | |
edfda783 AR |
248 | #define GCGraphicsExposures 0 |
249 | #endif /* HAVE_NS */ | |
250 | ||
c115973b | 251 | #include "buffer.h" |
f211082d | 252 | #include "dispextern.h" |
357f32fc | 253 | #include "blockinput.h" |
b6d40e46 | 254 | #include "window.h" |
bde7c500 | 255 | #include "intervals.h" |
28d440ab | 256 | #include "termchar.h" |
c115973b | 257 | |
426b2119 | 258 | #include "font.h" |
ad00e1a3 | 259 | #ifdef HAVE_WINDOW_SYSTEM |
2dee4c0b KH |
260 | #include "fontset.h" |
261 | #endif /* HAVE_WINDOW_SYSTEM */ | |
426b2119 | 262 | |
87485d6f | 263 | #ifdef HAVE_X_WINDOWS |
82641697 GM |
264 | |
265 | /* Compensate for a bug in Xos.h on some systems, on which it requires | |
657070ac JB |
266 | time.h. On some such systems, Xos.h tries to redefine struct |
267 | timeval and struct timezone if USG is #defined while it is | |
268 | #included. */ | |
657070ac | 269 | |
82641697 | 270 | #ifdef XOS_NEEDS_TIME_H |
e11d186d | 271 | #include <time.h> |
657070ac JB |
272 | #undef USG |
273 | #include <X11/Xos.h> | |
274 | #define USG | |
e11d186d | 275 | #define __TIMEVAL__ |
875975e9 PE |
276 | #if defined USG || defined __TIMEVAL__ /* Don't warn about unused macros. */ |
277 | #endif | |
82641697 GM |
278 | #else /* not XOS_NEEDS_TIME_H */ |
279 | #include <X11/Xos.h> | |
280 | #endif /* not XOS_NEEDS_TIME_H */ | |
e11d186d | 281 | |
82641697 | 282 | #endif /* HAVE_X_WINDOWS */ |
7a4d2269 | 283 | |
82641697 | 284 | #include <ctype.h> |
c115973b | 285 | |
c660ce4e GM |
286 | /* Number of pt per inch (from the TeXbook). */ |
287 | ||
288 | #define PT_PER_INCH 72.27 | |
289 | ||
82641697 GM |
290 | /* Non-zero if face attribute ATTR is unspecified. */ |
291 | ||
292 | #define UNSPECIFIEDP(ATTR) EQ ((ATTR), Qunspecified) | |
293 | ||
2ff10663 CY |
294 | /* Non-zero if face attribute ATTR is `ignore-defface'. */ |
295 | ||
296 | #define IGNORE_DEFFACE_P(ATTR) EQ ((ATTR), Qignore_defface) | |
297 | ||
82641697 GM |
298 | /* Value is the number of elements of VECTOR. */ |
299 | ||
300 | #define DIM(VECTOR) (sizeof (VECTOR) / sizeof *(VECTOR)) | |
301 | ||
178c5d9c | 302 | /* Size of hash table of realized faces in face caches (should be a |
82641697 GM |
303 | prime number). */ |
304 | ||
305 | #define FACE_CACHE_BUCKETS_SIZE 1001 | |
306 | ||
307 | /* Keyword symbols used for face attribute names. */ | |
308 | ||
955cbe7b PE |
309 | Lisp_Object QCfamily, QCheight, QCweight, QCslant; |
310 | static Lisp_Object QCunderline; | |
311 | static Lisp_Object QCinverse_video, QCstipple; | |
312 | Lisp_Object QCforeground, QCbackground; | |
313 | Lisp_Object QCwidth; | |
314 | static Lisp_Object QCfont, QCbold, QCitalic; | |
315 | static Lisp_Object QCreverse_video; | |
316 | static Lisp_Object QCoverline, QCstrike_through, QCbox, QCinherit; | |
317 | static Lisp_Object QCfontset; | |
82641697 GM |
318 | |
319 | /* Symbols used for attribute values. */ | |
320 | ||
955cbe7b | 321 | Lisp_Object Qnormal; |
cc39a9db BK |
322 | Lisp_Object Qbold; |
323 | static Lisp_Object Qultra_light, Qextra_light, Qlight; | |
955cbe7b | 324 | static Lisp_Object Qsemi_light, Qsemi_bold, Qextra_bold, Qultra_bold; |
cc39a9db BK |
325 | static Lisp_Object Qoblique, Qreverse_oblique, Qreverse_italic; |
326 | Lisp_Object Qitalic; | |
327 | static Lisp_Object Qultra_condensed, Qextra_condensed; | |
328 | Lisp_Object Qcondensed; | |
329 | static Lisp_Object Qsemi_condensed, Qsemi_expanded, Qextra_expanded; | |
330 | Lisp_Object Qexpanded; | |
955cbe7b PE |
331 | static Lisp_Object Qultra_expanded; |
332 | static Lisp_Object Qreleased_button, Qpressed_button; | |
333 | static Lisp_Object QCstyle, QCcolor, QCline_width; | |
1b2de274 | 334 | Lisp_Object Qunspecified; /* used in dosfns.c */ |
955cbe7b | 335 | static Lisp_Object Qignore_defface; |
ef917393 EZ |
336 | |
337 | char unspecified_fg[] = "unspecified-fg", unspecified_bg[] = "unspecified-bg"; | |
82641697 | 338 | |
92610620 | 339 | /* The name of the function to call when the background of the frame |
c20577bc | 340 | has changed, frame_set_background_mode. */ |
92610620 | 341 | |
c20577bc | 342 | Lisp_Object Qframe_set_background_mode; |
92610620 | 343 | |
82641697 GM |
344 | /* Names of basic faces. */ |
345 | ||
955cbe7b PE |
346 | Lisp_Object Qdefault, Qtool_bar, Qfringe; |
347 | static Lisp_Object Qregion; | |
348 | Lisp_Object Qheader_line, Qscroll_bar, Qcursor; | |
349 | static Lisp_Object Qborder, Qmouse, Qmenu; | |
350 | Lisp_Object Qmode_line_inactive; | |
351 | static Lisp_Object Qvertical_border; | |
8bd201d6 | 352 | |
92610620 GM |
353 | /* The symbol `face-alias'. A symbols having that property is an |
354 | alias for another face. Value of the property is the name of | |
355 | the aliased face. */ | |
356 | ||
955cbe7b | 357 | static Lisp_Object Qface_alias; |
92610620 | 358 | |
82641697 GM |
359 | /* Alist of alternative font families. Each element is of the form |
360 | (FAMILY FAMILY1 FAMILY2 ...). If fonts of FAMILY can't be loaded, | |
361 | try FAMILY1, then FAMILY2, ... */ | |
362 | ||
363 | Lisp_Object Vface_alternative_font_family_alist; | |
364 | ||
32fcc231 GM |
365 | /* Alist of alternative font registries. Each element is of the form |
366 | (REGISTRY REGISTRY1 REGISTRY2...). If fonts of REGISTRY can't be | |
367 | loaded, try REGISTRY1, then REGISTRY2, ... */ | |
368 | ||
369 | Lisp_Object Vface_alternative_font_registry_alist; | |
370 | ||
82641697 GM |
371 | /* Allowed scalable fonts. A value of nil means don't allow any |
372 | scalable fonts. A value of t means allow the use of any scalable | |
373 | font. Otherwise, value must be a list of regular expressions. A | |
374 | font may be scaled if its name matches a regular expression in the | |
375 | list. */ | |
376 | ||
955cbe7b | 377 | static Lisp_Object Qscalable_fonts_allowed; |
c824bfbc | 378 | |
057df17c GM |
379 | #define DEFAULT_FONT_LIST_LIMIT 100 |
380 | ||
82641697 GM |
381 | /* The symbols `foreground-color' and `background-color' which can be |
382 | used as part of a `face' property. This is for compatibility with | |
383 | Emacs 20.2. */ | |
384 | ||
385 | Lisp_Object Qforeground_color, Qbackground_color; | |
386 | ||
387 | /* The symbols `face' and `mouse-face' used as text properties. */ | |
7b7739b1 | 388 | |
ff83dbb1 | 389 | Lisp_Object Qface; |
82641697 | 390 | |
46b00436 KS |
391 | /* Property for basic faces which other faces cannot inherit. */ |
392 | ||
955cbe7b | 393 | static Lisp_Object Qface_no_inherit; |
46b00436 | 394 | |
82641697 GM |
395 | /* Error symbol for wrong_type_argument in load_pixmap. */ |
396 | ||
955cbe7b | 397 | static Lisp_Object Qbitmap_spec_p; |
f211082d | 398 | |
82641697 | 399 | /* The next ID to assign to Lisp faces. */ |
cb637678 | 400 | |
82641697 | 401 | static int next_lface_id; |
c115973b | 402 | |
82641697 | 403 | /* A vector mapping Lisp face Id's to face names. */ |
c115973b | 404 | |
82641697 GM |
405 | static Lisp_Object *lface_id_to_name; |
406 | static int lface_id_to_name_size; | |
c115973b | 407 | |
ae4b4ba5 GM |
408 | /* TTY color-related functions (defined in tty-colors.el). */ |
409 | ||
955cbe7b | 410 | static Lisp_Object Qtty_color_desc, Qtty_color_by_index, Qtty_color_standard_values; |
82641697 | 411 | |
ae4b4ba5 GM |
412 | /* The name of the function used to compute colors on TTYs. */ |
413 | ||
955cbe7b | 414 | static Lisp_Object Qtty_color_alist; |
ae4b4ba5 | 415 | |
82641697 GM |
416 | /* Counter for calls to clear_face_cache. If this counter reaches |
417 | CLEAR_FONT_TABLE_COUNT, and a frame has more than | |
418 | CLEAR_FONT_TABLE_NFONTS load, unused fonts are freed. */ | |
419 | ||
420 | static int clear_font_table_count; | |
421 | #define CLEAR_FONT_TABLE_COUNT 100 | |
422 | #define CLEAR_FONT_TABLE_NFONTS 10 | |
423 | ||
424 | /* Non-zero means face attributes have been changed since the last | |
425 | redisplay. Used in redisplay_internal. */ | |
426 | ||
427 | int face_change_count; | |
428 | ||
a4a76b61 GM |
429 | /* Non-zero means don't display bold text if a face's foreground |
430 | and background colors are the inverse of the default colors of the | |
431 | display. This is a kluge to suppress `bold black' foreground text | |
432 | which is hard to read on an LCD monitor. */ | |
433 | ||
435f4c28 | 434 | static int tty_suppress_bold_inverse_default_colors_p; |
a4a76b61 | 435 | |
dbc968b8 GM |
436 | /* A list of the form `((x . y))' used to avoid consing in |
437 | Finternal_set_lisp_face_attribute. */ | |
438 | ||
439 | static Lisp_Object Vparam_value_alist; | |
440 | ||
82641697 GM |
441 | /* The total number of colors currently allocated. */ |
442 | ||
443 | #if GLYPH_DEBUG | |
444 | static int ncolors_allocated; | |
445 | static int npixmaps_allocated; | |
446 | static int ngcs; | |
447 | #endif | |
448 | ||
ceeda019 GM |
449 | /* Non-zero means the definition of the `menu' face for new frames has |
450 | been changed. */ | |
451 | ||
435f4c28 | 452 | static int menu_face_changed_default; |
82641697 GM |
453 | |
454 | \f | |
455 | /* Function prototypes. */ | |
456 | ||
82641697 | 457 | struct table_entry; |
a0a23346 | 458 | struct named_merge_point; |
82641697 | 459 | |
f57e2426 J |
460 | static void map_tty_color (struct frame *, struct face *, |
461 | enum lface_attribute_index, int *); | |
462 | static Lisp_Object resolve_face_name (Lisp_Object, int); | |
f57e2426 J |
463 | static void set_font_frame_param (Lisp_Object, Lisp_Object); |
464 | static int get_lface_attributes (struct frame *, Lisp_Object, Lisp_Object *, | |
465 | int, struct named_merge_point *); | |
0766b489 PE |
466 | static ptrdiff_t load_pixmap (struct frame *, Lisp_Object, |
467 | unsigned *, unsigned *); | |
f57e2426 J |
468 | static struct frame *frame_or_selected_frame (Lisp_Object, int); |
469 | static void load_face_colors (struct frame *, struct face *, Lisp_Object *); | |
470 | static void free_face_colors (struct frame *, struct face *); | |
eec47d6b | 471 | static int face_color_gray_p (struct frame *, const char *); |
f57e2426 J |
472 | static struct face *realize_face (struct face_cache *, Lisp_Object *, |
473 | int); | |
474 | static struct face *realize_non_ascii_face (struct frame *, Lisp_Object, | |
475 | struct face *); | |
476 | static struct face *realize_x_face (struct face_cache *, Lisp_Object *); | |
477 | static struct face *realize_tty_face (struct face_cache *, Lisp_Object *); | |
478 | static int realize_basic_faces (struct frame *); | |
479 | static int realize_default_face (struct frame *); | |
480 | static void realize_named_face (struct frame *, Lisp_Object, int); | |
481 | static int lface_fully_specified_p (Lisp_Object *); | |
482 | static int lface_equal_p (Lisp_Object *, Lisp_Object *); | |
483 | static unsigned hash_string_case_insensitive (Lisp_Object); | |
484 | static unsigned lface_hash (Lisp_Object *); | |
485 | static int lface_same_font_attributes_p (Lisp_Object *, Lisp_Object *); | |
486 | static struct face_cache *make_face_cache (struct frame *); | |
487 | static void clear_face_gcs (struct face_cache *); | |
488 | static void free_face_cache (struct face_cache *); | |
489 | static int face_fontset (Lisp_Object *); | |
490 | static void merge_face_vectors (struct frame *, Lisp_Object *, Lisp_Object*, | |
491 | struct named_merge_point *); | |
492 | static int merge_face_ref (struct frame *, Lisp_Object, Lisp_Object *, | |
493 | int, struct named_merge_point *); | |
494 | static int set_lface_from_font (struct frame *, Lisp_Object, Lisp_Object, | |
495 | int); | |
496 | static Lisp_Object lface_from_face_name (struct frame *, Lisp_Object, int); | |
497 | static struct face *make_realized_face (Lisp_Object *); | |
498 | static void cache_face (struct face_cache *, struct face *, unsigned); | |
499 | static void uncache_face (struct face_cache *, struct face *); | |
82641697 | 500 | |
c3cee013 | 501 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 502 | |
f57e2426 J |
503 | static GC x_create_gc (struct frame *, unsigned long, XGCValues *); |
504 | static void x_free_gc (struct frame *, GC); | |
82641697 | 505 | |
bce72079 | 506 | #ifdef USE_X_TOOLKIT |
f57e2426 | 507 | static void x_update_menu_appearance (struct frame *); |
9180dc8c | 508 | |
f57e2426 | 509 | extern void free_frame_menubar (struct frame *); |
bce72079 GM |
510 | #endif /* USE_X_TOOLKIT */ |
511 | ||
c3cee013 | 512 | #endif /* HAVE_WINDOW_SYSTEM */ |
c115973b | 513 | |
cb637678 | 514 | \f |
82641697 GM |
515 | /*********************************************************************** |
516 | Utilities | |
517 | ***********************************************************************/ | |
c115973b | 518 | |
87485d6f | 519 | #ifdef HAVE_X_WINDOWS |
cb637678 | 520 | |
a435fc2a GM |
521 | #ifdef DEBUG_X_COLORS |
522 | ||
523 | /* The following is a poor mans infrastructure for debugging X color | |
524 | allocation problems on displays with PseudoColor-8. Some X servers | |
525 | like 3.3.5 XF86_SVGA with Matrox cards apparently don't implement | |
526 | color reference counts completely so that they don't signal an | |
527 | error when a color is freed whose reference count is already 0. | |
528 | Other X servers do. To help me debug this, the following code | |
529 | implements a simple reference counting schema of its own, for a | |
530 | single display/screen. --gerd. */ | |
531 | ||
532 | /* Reference counts for pixel colors. */ | |
533 | ||
534 | int color_count[256]; | |
535 | ||
536 | /* Register color PIXEL as allocated. */ | |
537 | ||
538 | void | |
539 | register_color (pixel) | |
540 | unsigned long pixel; | |
541 | { | |
542 | xassert (pixel < 256); | |
543 | ++color_count[pixel]; | |
544 | } | |
545 | ||
546 | ||
547 | /* Register color PIXEL as deallocated. */ | |
548 | ||
549 | void | |
550 | unregister_color (pixel) | |
551 | unsigned long pixel; | |
552 | { | |
553 | xassert (pixel < 256); | |
554 | if (color_count[pixel] > 0) | |
555 | --color_count[pixel]; | |
556 | else | |
557 | abort (); | |
558 | } | |
559 | ||
560 | ||
561 | /* Register N colors from PIXELS as deallocated. */ | |
562 | ||
563 | void | |
564 | unregister_colors (pixels, n) | |
565 | unsigned long *pixels; | |
566 | int n; | |
567 | { | |
568 | int i; | |
569 | for (i = 0; i < n; ++i) | |
570 | unregister_color (pixels[i]); | |
571 | } | |
572 | ||
08dc08dc | 573 | |
a7ca3326 | 574 | DEFUN ("dump-colors", Fdump_colors, Sdump_colors, 0, 0, 0, |
7ee72033 | 575 | doc: /* Dump currently allocated colors to stderr. */) |
5842a27b | 576 | (void) |
08dc08dc GM |
577 | { |
578 | int i, n; | |
579 | ||
580 | fputc ('\n', stderr); | |
178c5d9c | 581 | |
08dc08dc GM |
582 | for (i = n = 0; i < sizeof color_count / sizeof color_count[0]; ++i) |
583 | if (color_count[i]) | |
584 | { | |
585 | fprintf (stderr, "%3d: %5d", i, color_count[i]); | |
586 | ++n; | |
587 | if (n % 5 == 0) | |
588 | fputc ('\n', stderr); | |
589 | else | |
590 | fputc ('\t', stderr); | |
591 | } | |
592 | ||
593 | if (n % 5 != 0) | |
594 | fputc ('\n', stderr); | |
595 | return Qnil; | |
596 | } | |
597 | ||
a435fc2a GM |
598 | #endif /* DEBUG_X_COLORS */ |
599 | ||
d12d0a9b | 600 | |
1f847cf8 GM |
601 | /* Free colors used on frame F. PIXELS is an array of NPIXELS pixel |
602 | color values. Interrupt input must be blocked when this function | |
603 | is called. */ | |
604 | ||
605 | void | |
971de7fb | 606 | x_free_colors (struct frame *f, long unsigned int *pixels, int npixels) |
1f847cf8 GM |
607 | { |
608 | int class = FRAME_X_DISPLAY_INFO (f)->visual->class; | |
609 | ||
610 | /* If display has an immutable color map, freeing colors is not | |
611 | necessary and some servers don't allow it. So don't do it. */ | |
612 | if (class != StaticColor && class != StaticGray && class != TrueColor) | |
613 | { | |
a435fc2a | 614 | #ifdef DEBUG_X_COLORS |
08dc08dc | 615 | unregister_colors (pixels, npixels); |
a435fc2a | 616 | #endif |
513c5806 GM |
617 | XFreeColors (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), |
618 | pixels, npixels, 0); | |
08dc08dc GM |
619 | } |
620 | } | |
621 | ||
622 | ||
435f4c28 PE |
623 | #ifdef USE_X_TOOLKIT |
624 | ||
08dc08dc GM |
625 | /* Free colors used on frame F. PIXELS is an array of NPIXELS pixel |
626 | color values. Interrupt input must be blocked when this function | |
627 | is called. */ | |
628 | ||
629 | void | |
971de7fb | 630 | x_free_dpy_colors (Display *dpy, Screen *screen, Colormap cmap, long unsigned int *pixels, int npixels) |
08dc08dc GM |
631 | { |
632 | struct x_display_info *dpyinfo = x_display_info_for_display (dpy); | |
633 | int class = dpyinfo->visual->class; | |
634 | ||
635 | /* If display has an immutable color map, freeing colors is not | |
636 | necessary and some servers don't allow it. So don't do it. */ | |
637 | if (class != StaticColor && class != StaticGray && class != TrueColor) | |
638 | { | |
a435fc2a | 639 | #ifdef DEBUG_X_COLORS |
08dc08dc | 640 | unregister_colors (pixels, npixels); |
a435fc2a | 641 | #endif |
513c5806 | 642 | XFreeColors (dpy, cmap, pixels, npixels, 0); |
1f847cf8 GM |
643 | } |
644 | } | |
435f4c28 | 645 | #endif /* USE_X_TOOLKIT */ |
08dc08dc | 646 | |
82641697 GM |
647 | /* Create and return a GC for use on frame F. GC values and mask |
648 | are given by XGCV and MASK. */ | |
649 | ||
55d4c1b2 | 650 | static inline GC |
971de7fb | 651 | x_create_gc (struct frame *f, long unsigned int mask, XGCValues *xgcv) |
c115973b JB |
652 | { |
653 | GC gc; | |
82641697 GM |
654 | BLOCK_INPUT; |
655 | gc = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), mask, xgcv); | |
656 | UNBLOCK_INPUT; | |
657 | IF_DEBUG (++ngcs); | |
658 | return gc; | |
659 | } | |
c115973b | 660 | |
42120bc7 | 661 | |
82641697 GM |
662 | /* Free GC which was used on frame F. */ |
663 | ||
55d4c1b2 | 664 | static inline void |
971de7fb | 665 | x_free_gc (struct frame *f, GC gc) |
82641697 | 666 | { |
ed0c79c6 | 667 | eassert (interrupt_input_blocked); |
a6d8ba25 | 668 | IF_DEBUG (xassert (--ngcs >= 0)); |
82641697 | 669 | XFreeGC (FRAME_X_DISPLAY (f), gc); |
82641697 | 670 | } |
660ed669 | 671 | |
82641697 | 672 | #endif /* HAVE_X_WINDOWS */ |
660ed669 | 673 | |
c3cee013 JR |
674 | #ifdef WINDOWSNT |
675 | /* W32 emulation of GCs */ | |
676 | ||
55d4c1b2 | 677 | static inline GC |
7c3320d8 | 678 | x_create_gc (struct frame *f, unsigned long mask, XGCValues *xgcv) |
c3cee013 JR |
679 | { |
680 | GC gc; | |
681 | BLOCK_INPUT; | |
682 | gc = XCreateGC (NULL, FRAME_W32_WINDOW (f), mask, xgcv); | |
683 | UNBLOCK_INPUT; | |
684 | IF_DEBUG (++ngcs); | |
685 | return gc; | |
686 | } | |
687 | ||
688 | ||
689 | /* Free GC which was used on frame F. */ | |
690 | ||
55d4c1b2 | 691 | static inline void |
7c3320d8 | 692 | x_free_gc (struct frame *f, GC gc) |
c3cee013 | 693 | { |
a6d8ba25 | 694 | IF_DEBUG (xassert (--ngcs >= 0)); |
c3cee013 | 695 | xfree (gc); |
c3cee013 JR |
696 | } |
697 | ||
698 | #endif /* WINDOWSNT */ | |
660ed669 | 699 | |
edfda783 AR |
700 | #ifdef HAVE_NS |
701 | /* NS emulation of GCs */ | |
702 | ||
55d4c1b2 | 703 | static inline GC |
3d608a86 J |
704 | x_create_gc (struct frame *f, |
705 | unsigned long mask, | |
706 | XGCValues *xgcv) | |
edfda783 AR |
707 | { |
708 | GC gc = xmalloc (sizeof (*gc)); | |
709 | if (gc) | |
72af86bd | 710 | memcpy (gc, xgcv, sizeof (XGCValues)); |
edfda783 AR |
711 | return gc; |
712 | } | |
713 | ||
55d4c1b2 | 714 | static inline void |
3d608a86 | 715 | x_free_gc (struct frame *f, GC gc) |
edfda783 | 716 | { |
5f445726 | 717 | xfree (gc); |
edfda783 AR |
718 | } |
719 | #endif /* HAVE_NS */ | |
720 | ||
05131107 JR |
721 | /* Like strcasecmp/stricmp. Used to compare parts of font names which |
722 | are in ISO8859-1. */ | |
82641697 GM |
723 | |
724 | int | |
25a48bd0 | 725 | xstrcasecmp (const char *s1, const char *s2) |
82641697 GM |
726 | { |
727 | while (*s1 && *s2) | |
95887807 | 728 | { |
25a48bd0 PE |
729 | unsigned char b1 = *s1; |
730 | unsigned char b2 = *s2; | |
731 | unsigned char c1 = tolower (b1); | |
732 | unsigned char c2 = tolower (b2); | |
82641697 GM |
733 | if (c1 != c2) |
734 | return c1 < c2 ? -1 : 1; | |
735 | ++s1, ++s2; | |
95887807 | 736 | } |
cd0bb842 | 737 | |
82641697 GM |
738 | if (*s1 == 0) |
739 | return *s2 == 0 ? 0 : -1; | |
740 | return 1; | |
741 | } | |
660ed669 | 742 | |
660ed669 | 743 | |
c0617987 GM |
744 | /* If FRAME is nil, return a pointer to the selected frame. |
745 | Otherwise, check that FRAME is a live frame, and return a pointer | |
746 | to it. NPARAM is the parameter number of FRAME, for | |
747 | CHECK_LIVE_FRAME. This is here because it's a frequent pattern in | |
748 | Lisp function definitions. */ | |
82641697 | 749 | |
55d4c1b2 | 750 | static inline struct frame * |
971de7fb | 751 | frame_or_selected_frame (Lisp_Object frame, int nparam) |
82641697 | 752 | { |
82641697 | 753 | if (NILP (frame)) |
c0617987 | 754 | frame = selected_frame; |
178c5d9c | 755 | |
b7826503 | 756 | CHECK_LIVE_FRAME (frame); |
c0617987 | 757 | return XFRAME (frame); |
42120bc7 | 758 | } |
82641697 | 759 | |
42120bc7 | 760 | \f |
82641697 GM |
761 | /*********************************************************************** |
762 | Frames and faces | |
763 | ***********************************************************************/ | |
cd0bb842 | 764 | |
82641697 | 765 | /* Initialize face cache and basic faces for frame F. */ |
cb637678 | 766 | |
82641697 | 767 | void |
971de7fb | 768 | init_frame_faces (struct frame *f) |
cb637678 | 769 | { |
82641697 GM |
770 | /* Make a face cache, if F doesn't have one. */ |
771 | if (FRAME_FACE_CACHE (f) == NULL) | |
772 | FRAME_FACE_CACHE (f) = make_face_cache (f); | |
178c5d9c | 773 | |
c3cee013 | 774 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 775 | /* Make the image cache. */ |
c3cee013 | 776 | if (FRAME_WINDOW_P (f)) |
82641697 | 777 | { |
91c37b7e CY |
778 | /* We initialize the image cache when creating the first frame |
779 | on a terminal, and not during terminal creation. This way, | |
780 | `x-open-connection' on a tty won't create an image cache. */ | |
354884c4 | 781 | if (FRAME_IMAGE_CACHE (f) == NULL) |
354884c4 SM |
782 | FRAME_IMAGE_CACHE (f) = make_image_cache (); |
783 | ++FRAME_IMAGE_CACHE (f)->refcount; | |
82641697 | 784 | } |
c3cee013 | 785 | #endif /* HAVE_WINDOW_SYSTEM */ |
cb637678 | 786 | |
178c5d9c | 787 | /* Realize basic faces. Must have enough information in frame |
82641697 GM |
788 | parameters to realize basic faces at this point. */ |
789 | #ifdef HAVE_X_WINDOWS | |
790 | if (!FRAME_X_P (f) || FRAME_X_WINDOW (f)) | |
c3cee013 JR |
791 | #endif |
792 | #ifdef WINDOWSNT | |
793 | if (!FRAME_WINDOW_P (f) || FRAME_W32_WINDOW (f)) | |
f00691a3 | 794 | #endif |
edfda783 AR |
795 | #ifdef HAVE_NS |
796 | if (!FRAME_NS_P (f) || FRAME_NS_WINDOW (f)) | |
82641697 GM |
797 | #endif |
798 | if (!realize_basic_faces (f)) | |
edfda783 | 799 | abort (); |
82641697 | 800 | } |
cb637678 | 801 | |
cb637678 | 802 | |
e2749141 | 803 | /* Free face cache of frame F. Called from delete_frame. */ |
cb637678 | 804 | |
82641697 | 805 | void |
971de7fb | 806 | free_frame_faces (struct frame *f) |
cb637678 | 807 | { |
82641697 | 808 | struct face_cache *face_cache = FRAME_FACE_CACHE (f); |
178c5d9c | 809 | |
82641697 GM |
810 | if (face_cache) |
811 | { | |
812 | free_face_cache (face_cache); | |
813 | FRAME_FACE_CACHE (f) = NULL; | |
814 | } | |
660ed669 | 815 | |
c3cee013 JR |
816 | #ifdef HAVE_WINDOW_SYSTEM |
817 | if (FRAME_WINDOW_P (f)) | |
195f798e | 818 | { |
354884c4 | 819 | struct image_cache *image_cache = FRAME_IMAGE_CACHE (f); |
82641697 | 820 | if (image_cache) |
195f798e | 821 | { |
82641697 GM |
822 | --image_cache->refcount; |
823 | if (image_cache->refcount == 0) | |
824 | free_image_cache (f); | |
195f798e RS |
825 | } |
826 | } | |
c3cee013 | 827 | #endif /* HAVE_WINDOW_SYSTEM */ |
cb637678 JB |
828 | } |
829 | ||
82641697 | 830 | |
8bd201d6 GM |
831 | /* Clear face caches, and recompute basic faces for frame F. Call |
832 | this after changing frame parameters on which those faces depend, | |
833 | or when realized faces have been freed due to changing attributes | |
834 | of named faces. */ | |
82641697 GM |
835 | |
836 | void | |
971de7fb | 837 | recompute_basic_faces (struct frame *f) |
cb637678 | 838 | { |
82641697 GM |
839 | if (FRAME_FACE_CACHE (f)) |
840 | { | |
8bd201d6 | 841 | clear_face_cache (0); |
18df9369 GM |
842 | if (!realize_basic_faces (f)) |
843 | abort (); | |
82641697 GM |
844 | } |
845 | } | |
cb637678 | 846 | |
cb637678 | 847 | |
82641697 GM |
848 | /* Clear the face caches of all frames. CLEAR_FONTS_P non-zero means |
849 | try to free unused fonts, too. */ | |
cb637678 | 850 | |
adfea139 | 851 | void |
971de7fb | 852 | clear_face_cache (int clear_fonts_p) |
cb637678 | 853 | { |
c3cee013 | 854 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 855 | Lisp_Object tail, frame; |
828e66d1 | 856 | |
82641697 GM |
857 | if (clear_fonts_p |
858 | || ++clear_font_table_count == CLEAR_FONT_TABLE_COUNT) | |
828e66d1 | 859 | { |
2dee4c0b KH |
860 | #if 0 |
861 | /* Not yet implemented. */ | |
862 | clear_font_cache (frame); | |
863 | #endif | |
864 | ||
82641697 GM |
865 | /* From time to time see if we can unload some fonts. This also |
866 | frees all realized faces on all frames. Fonts needed by | |
867 | faces will be loaded again when faces are realized again. */ | |
868 | clear_font_table_count = 0; | |
195f798e | 869 | |
82641697 | 870 | FOR_EACH_FRAME (tail, frame) |
195f798e | 871 | { |
d5641fc5 | 872 | struct frame *f = XFRAME (frame); |
c3cee013 | 873 | if (FRAME_WINDOW_P (f) |
82641697 | 874 | && FRAME_X_DISPLAY_INFO (f)->n_fonts > CLEAR_FONT_TABLE_NFONTS) |
d5641fc5 | 875 | free_all_realized_faces (frame); |
82641697 GM |
876 | } |
877 | } | |
878 | else | |
879 | { | |
880 | /* Clear GCs of realized faces. */ | |
881 | FOR_EACH_FRAME (tail, frame) | |
882 | { | |
071048a3 | 883 | struct frame *f = XFRAME (frame); |
c3cee013 | 884 | if (FRAME_WINDOW_P (f)) |
82641697 | 885 | clear_face_gcs (FRAME_FACE_CACHE (f)); |
195f798e | 886 | } |
a2bc5bdd | 887 | clear_image_caches (Qnil); |
828e66d1 | 888 | } |
c3cee013 | 889 | #endif /* HAVE_WINDOW_SYSTEM */ |
cd0bb842 RS |
890 | } |
891 | ||
82641697 | 892 | |
a7ca3326 | 893 | DEFUN ("clear-face-cache", Fclear_face_cache, Sclear_face_cache, 0, 1, 0, |
7ee72033 MB |
894 | doc: /* Clear face caches on all frames. |
895 | Optional THOROUGHLY non-nil means try to free unused fonts, too. */) | |
5842a27b | 896 | (Lisp_Object thoroughly) |
cd0bb842 | 897 | { |
6a3f48c7 | 898 | clear_face_cache (!NILP (thoroughly)); |
ae4b4ba5 GM |
899 | ++face_change_count; |
900 | ++windows_or_buffers_changed; | |
82641697 GM |
901 | return Qnil; |
902 | } | |
903 | ||
82641697 GM |
904 | \f |
905 | /*********************************************************************** | |
906 | X Pixmaps | |
907 | ***********************************************************************/ | |
908 | ||
c3cee013 | 909 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 910 | |
fef04523 | 911 | DEFUN ("bitmap-spec-p", Fbitmap_spec_p, Sbitmap_spec_p, 1, 1, 0, |
7ee72033 | 912 | doc: /* Value is non-nil if OBJECT is a valid bitmap specification. |
228299fa GM |
913 | A bitmap specification is either a string, a file name, or a list |
914 | \(WIDTH HEIGHT DATA) where WIDTH is the pixel width of the bitmap, | |
915 | HEIGHT is its height, and DATA is a string containing the bits of | |
916 | the pixmap. Bits are stored row by row, each row occupies | |
7ee72033 | 917 | \(WIDTH + 7)/8 bytes. */) |
5842a27b | 918 | (Lisp_Object object) |
82641697 | 919 | { |
c7ae3284 | 920 | int pixmap_p = 0; |
178c5d9c | 921 | |
c7ae3284 GM |
922 | if (STRINGP (object)) |
923 | /* If OBJECT is a string, it's a file name. */ | |
924 | pixmap_p = 1; | |
925 | else if (CONSP (object)) | |
926 | { | |
927 | /* Otherwise OBJECT must be (WIDTH HEIGHT DATA), WIDTH and | |
928 | HEIGHT must be integers > 0, and DATA must be string large | |
929 | enough to hold a bitmap of the specified size. */ | |
930 | Lisp_Object width, height, data; | |
931 | ||
932 | height = width = data = Qnil; | |
178c5d9c | 933 | |
c7ae3284 GM |
934 | if (CONSP (object)) |
935 | { | |
936 | width = XCAR (object); | |
937 | object = XCDR (object); | |
938 | if (CONSP (object)) | |
939 | { | |
940 | height = XCAR (object); | |
941 | object = XCDR (object); | |
942 | if (CONSP (object)) | |
943 | data = XCAR (object); | |
944 | } | |
945 | } | |
cd0bb842 | 946 | |
c7ae3284 GM |
947 | if (NATNUMP (width) && NATNUMP (height) && STRINGP (data)) |
948 | { | |
949 | int bytes_per_row = ((XFASTINT (width) + BITS_PER_CHAR - 1) | |
950 | / BITS_PER_CHAR); | |
d5db4077 | 951 | if (SBYTES (data) >= bytes_per_row * XINT (height)) |
c7ae3284 GM |
952 | pixmap_p = 1; |
953 | } | |
954 | } | |
955 | ||
956 | return pixmap_p ? Qt : Qnil; | |
cd0bb842 RS |
957 | } |
958 | ||
cd0bb842 | 959 | |
82641697 GM |
960 | /* Load a bitmap according to NAME (which is either a file name or a |
961 | pixmap spec) for use on frame F. Value is the bitmap_id (see | |
962 | xfns.c). If NAME is nil, return with a bitmap id of zero. If | |
963 | bitmap cannot be loaded, display a message saying so, and return | |
964 | zero. Store the bitmap width in *W_PTR and its height in *H_PTR, | |
965 | if these pointers are not null. */ | |
cd0bb842 | 966 | |
0766b489 | 967 | static ptrdiff_t |
971de7fb | 968 | load_pixmap (FRAME_PTR f, Lisp_Object name, unsigned int *w_ptr, unsigned int *h_ptr) |
cd0bb842 | 969 | { |
0766b489 | 970 | ptrdiff_t bitmap_id; |
cd0bb842 RS |
971 | |
972 | if (NILP (name)) | |
82641697 | 973 | return 0; |
cd0bb842 | 974 | |
d5ddd1a3 | 975 | CHECK_TYPE (!NILP (Fbitmap_spec_p (name)), Qbitmap_spec_p, name); |
cd0bb842 RS |
976 | |
977 | BLOCK_INPUT; | |
cd0bb842 RS |
978 | if (CONSP (name)) |
979 | { | |
980 | /* Decode a bitmap spec into a bitmap. */ | |
981 | ||
982 | int h, w; | |
983 | Lisp_Object bits; | |
984 | ||
985 | w = XINT (Fcar (name)); | |
986 | h = XINT (Fcar (Fcdr (name))); | |
987 | bits = Fcar (Fcdr (Fcdr (name))); | |
988 | ||
42a5b22f | 989 | bitmap_id = x_create_bitmap_from_data (f, SSDATA (bits), |
cd0bb842 RS |
990 | w, h); |
991 | } | |
992 | else | |
993 | { | |
994 | /* It must be a string -- a file name. */ | |
995 | bitmap_id = x_create_bitmap_from_file (f, name); | |
996 | } | |
997 | UNBLOCK_INPUT; | |
998 | ||
7812a96f | 999 | if (bitmap_id < 0) |
82641697 | 1000 | { |
2eb582ae | 1001 | add_to_log ("Invalid or undefined bitmap `%s'", name, Qnil); |
82641697 | 1002 | bitmap_id = 0; |
cd0bb842 | 1003 | |
82641697 GM |
1004 | if (w_ptr) |
1005 | *w_ptr = 0; | |
1006 | if (h_ptr) | |
1007 | *h_ptr = 0; | |
1008 | } | |
1009 | else | |
1010 | { | |
1011 | #if GLYPH_DEBUG | |
1012 | ++npixmaps_allocated; | |
1013 | #endif | |
1014 | if (w_ptr) | |
1015 | *w_ptr = x_bitmap_width (f, bitmap_id); | |
1016 | ||
1017 | if (h_ptr) | |
1018 | *h_ptr = x_bitmap_height (f, bitmap_id); | |
1019 | } | |
cd0bb842 RS |
1020 | |
1021 | return bitmap_id; | |
cb637678 | 1022 | } |
87485d6f | 1023 | |
c3cee013 | 1024 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 | 1025 | |
87485d6f | 1026 | |
82641697 | 1027 | \f |
82641697 GM |
1028 | /*********************************************************************** |
1029 | X Colors | |
1030 | ***********************************************************************/ | |
1031 | ||
b35df831 MB |
1032 | /* Parse RGB_LIST, and fill in the RGB fields of COLOR. |
1033 | RGB_LIST should contain (at least) 3 lisp integers. | |
1034 | Return 0 if there's a problem with RGB_LIST, otherwise return 1. */ | |
1035 | ||
1036 | static int | |
971de7fb | 1037 | parse_rgb_list (Lisp_Object rgb_list, XColor *color) |
b35df831 MB |
1038 | { |
1039 | #define PARSE_RGB_LIST_FIELD(field) \ | |
1040 | if (CONSP (rgb_list) && INTEGERP (XCAR (rgb_list))) \ | |
1041 | { \ | |
1042 | color->field = XINT (XCAR (rgb_list)); \ | |
1043 | rgb_list = XCDR (rgb_list); \ | |
1044 | } \ | |
1045 | else \ | |
1046 | return 0; | |
1047 | ||
1048 | PARSE_RGB_LIST_FIELD (red); | |
1049 | PARSE_RGB_LIST_FIELD (green); | |
1050 | PARSE_RGB_LIST_FIELD (blue); | |
1051 | ||
1052 | return 1; | |
1053 | } | |
1054 | ||
1055 | ||
1056 | /* Lookup on frame F the color described by the lisp string COLOR. | |
1057 | The resulting tty color is returned in TTY_COLOR; if STD_COLOR is | |
1058 | non-zero, then the `standard' definition of the same color is | |
1059 | returned in it. */ | |
1060 | ||
1061 | static int | |
971de7fb | 1062 | tty_lookup_color (struct frame *f, Lisp_Object color, XColor *tty_color, XColor *std_color) |
b35df831 MB |
1063 | { |
1064 | Lisp_Object frame, color_desc; | |
1065 | ||
1066 | if (!STRINGP (color) || NILP (Ffboundp (Qtty_color_desc))) | |
1067 | return 0; | |
1068 | ||
1069 | XSETFRAME (frame, f); | |
1070 | ||
1071 | color_desc = call2 (Qtty_color_desc, color, frame); | |
1072 | if (CONSP (color_desc) && CONSP (XCDR (color_desc))) | |
1073 | { | |
1074 | Lisp_Object rgb; | |
1075 | ||
1076 | if (! INTEGERP (XCAR (XCDR (color_desc)))) | |
1077 | return 0; | |
1078 | ||
1079 | tty_color->pixel = XINT (XCAR (XCDR (color_desc))); | |
1080 | ||
1081 | rgb = XCDR (XCDR (color_desc)); | |
1082 | if (! parse_rgb_list (rgb, tty_color)) | |
1083 | return 0; | |
1084 | ||
1085 | /* Should we fill in STD_COLOR too? */ | |
1086 | if (std_color) | |
1087 | { | |
1088 | /* Default STD_COLOR to the same as TTY_COLOR. */ | |
1089 | *std_color = *tty_color; | |
1090 | ||
1091 | /* Do a quick check to see if the returned descriptor is | |
1092 | actually _exactly_ equal to COLOR, otherwise we have to | |
1093 | lookup STD_COLOR separately. If it's impossible to lookup | |
1094 | a standard color, we just give up and use TTY_COLOR. */ | |
1095 | if ((!STRINGP (XCAR (color_desc)) | |
1096 | || NILP (Fstring_equal (color, XCAR (color_desc)))) | |
51f86bfc | 1097 | && !NILP (Ffboundp (Qtty_color_standard_values))) |
b35df831 MB |
1098 | { |
1099 | /* Look up STD_COLOR separately. */ | |
1100 | rgb = call1 (Qtty_color_standard_values, color); | |
1101 | if (! parse_rgb_list (rgb, std_color)) | |
1102 | return 0; | |
1103 | } | |
1104 | } | |
1105 | ||
1106 | return 1; | |
1107 | } | |
1108 | else if (NILP (Fsymbol_value (intern ("tty-defined-color-alist")))) | |
1109 | /* We were called early during startup, and the colors are not | |
1110 | yet set up in tty-defined-color-alist. Don't return a failure | |
1111 | indication, since this produces the annoying "Unable to | |
1112 | load color" messages in the *Messages* buffer. */ | |
1113 | return 1; | |
1114 | else | |
1115 | /* tty-color-desc seems to have returned a bad value. */ | |
1116 | return 0; | |
1117 | } | |
1118 | ||
2d764c78 | 1119 | /* A version of defined_color for non-X frames. */ |
08dc08dc | 1120 | |
6b463e58 | 1121 | static int |
eec47d6b DN |
1122 | tty_defined_color (struct frame *f, const char *color_name, |
1123 | XColor *color_def, int alloc) | |
2d764c78 | 1124 | { |
2d764c78 EZ |
1125 | int status = 1; |
1126 | ||
b35df831 | 1127 | /* Defaults. */ |
177c0ea7 | 1128 | color_def->pixel = FACE_TTY_DEFAULT_COLOR; |
b35df831 MB |
1129 | color_def->red = 0; |
1130 | color_def->blue = 0; | |
1131 | color_def->green = 0; | |
a61c12d5 | 1132 | |
b35df831 | 1133 | if (*color_name) |
3062711f | 1134 | status = tty_lookup_color (f, build_string (color_name), color_def, NULL); |
b35df831 MB |
1135 | |
1136 | if (color_def->pixel == FACE_TTY_DEFAULT_COLOR && *color_name) | |
f9d2fdc4 EZ |
1137 | { |
1138 | if (strcmp (color_name, "unspecified-fg") == 0) | |
b35df831 | 1139 | color_def->pixel = FACE_TTY_DEFAULT_FG_COLOR; |
f9d2fdc4 | 1140 | else if (strcmp (color_name, "unspecified-bg") == 0) |
b35df831 | 1141 | color_def->pixel = FACE_TTY_DEFAULT_BG_COLOR; |
f9d2fdc4 EZ |
1142 | } |
1143 | ||
b35df831 | 1144 | if (color_def->pixel != FACE_TTY_DEFAULT_COLOR) |
3b451f74 EZ |
1145 | status = 1; |
1146 | ||
2d764c78 EZ |
1147 | return status; |
1148 | } | |
1149 | ||
08dc08dc GM |
1150 | |
1151 | /* Decide if color named COLOR_NAME is valid for the display | |
1152 | associated with the frame F; if so, return the rgb values in | |
1153 | COLOR_DEF. If ALLOC is nonzero, allocate a new colormap cell. | |
2d764c78 EZ |
1154 | |
1155 | This does the right thing for any type of frame. */ | |
08dc08dc | 1156 | |
435f4c28 | 1157 | static int |
eec47d6b | 1158 | defined_color (struct frame *f, const char *color_name, XColor *color_def, int alloc) |
2d764c78 EZ |
1159 | { |
1160 | if (!FRAME_WINDOW_P (f)) | |
1161 | return tty_defined_color (f, color_name, color_def, alloc); | |
82641697 | 1162 | #ifdef HAVE_X_WINDOWS |
2d764c78 EZ |
1163 | else if (FRAME_X_P (f)) |
1164 | return x_defined_color (f, color_name, color_def, alloc); | |
1165 | #endif | |
1166 | #ifdef WINDOWSNT | |
1167 | else if (FRAME_W32_P (f)) | |
2d764c78 EZ |
1168 | return w32_defined_color (f, color_name, color_def, alloc); |
1169 | #endif | |
edfda783 AR |
1170 | #ifdef HAVE_NS |
1171 | else if (FRAME_NS_P (f)) | |
1172 | return ns_defined_color (f, color_name, color_def, alloc, 1); | |
2d764c78 EZ |
1173 | #endif |
1174 | else | |
1175 | abort (); | |
1176 | } | |
1177 | ||
08dc08dc GM |
1178 | |
1179 | /* Given the index IDX of a tty color on frame F, return its name, a | |
1180 | Lisp string. */ | |
2d764c78 EZ |
1181 | |
1182 | Lisp_Object | |
971de7fb | 1183 | tty_color_name (struct frame *f, int idx) |
2d764c78 | 1184 | { |
2d764c78 EZ |
1185 | if (idx >= 0 && !NILP (Ffboundp (Qtty_color_by_index))) |
1186 | { | |
a61c12d5 EZ |
1187 | Lisp_Object frame; |
1188 | Lisp_Object coldesc; | |
1189 | ||
1190 | XSETFRAME (frame, f); | |
1191 | coldesc = call2 (Qtty_color_by_index, make_number (idx), frame); | |
2d764c78 EZ |
1192 | |
1193 | if (!NILP (coldesc)) | |
1194 | return XCAR (coldesc); | |
1195 | } | |
1196 | #ifdef MSDOS | |
1197 | /* We can have an MSDOG frame under -nw for a short window of | |
1198 | opportunity before internal_terminal_init is called. DTRT. */ | |
1199 | if (FRAME_MSDOS_P (f) && !inhibit_window_system) | |
1200 | return msdos_stdcolor_name (idx); | |
1201 | #endif | |
1202 | ||
ef917393 EZ |
1203 | if (idx == FACE_TTY_DEFAULT_FG_COLOR) |
1204 | return build_string (unspecified_fg); | |
1205 | if (idx == FACE_TTY_DEFAULT_BG_COLOR) | |
1206 | return build_string (unspecified_bg); | |
c3cee013 | 1207 | |
ef917393 | 1208 | return Qunspecified; |
2d764c78 | 1209 | } |
82641697 | 1210 | |
08dc08dc | 1211 | |
82641697 | 1212 | /* Return non-zero if COLOR_NAME is a shade of gray (or white or |
71433d39 RS |
1213 | black) on frame F. |
1214 | ||
1215 | The criterion implemented here is not a terribly sophisticated one. */ | |
82641697 GM |
1216 | |
1217 | static int | |
eec47d6b | 1218 | face_color_gray_p (struct frame *f, const char *color_name) |
82641697 GM |
1219 | { |
1220 | XColor color; | |
1221 | int gray_p; | |
1222 | ||
1223 | if (defined_color (f, color_name, &color, 0)) | |
71433d39 RS |
1224 | gray_p = (/* Any color sufficiently close to black counts as grey. */ |
1225 | (color.red < 5000 && color.green < 5000 && color.blue < 5000) | |
1226 | || | |
1ea40aa2 | 1227 | ((eabs (color.red - color.green) |
71433d39 | 1228 | < max (color.red, color.green) / 20) |
1ea40aa2 | 1229 | && (eabs (color.green - color.blue) |
71433d39 | 1230 | < max (color.green, color.blue) / 20) |
1ea40aa2 | 1231 | && (eabs (color.blue - color.red) |
71433d39 | 1232 | < max (color.blue, color.red) / 20))); |
87485d6f | 1233 | else |
82641697 | 1234 | gray_p = 0; |
178c5d9c | 1235 | |
82641697 | 1236 | return gray_p; |
87485d6f | 1237 | } |
87485d6f | 1238 | |
cb637678 | 1239 | |
82641697 GM |
1240 | /* Return non-zero if color COLOR_NAME can be displayed on frame F. |
1241 | BACKGROUND_P non-zero means the color will be used as background | |
1242 | color. */ | |
1243 | ||
1244 | static int | |
eec47d6b | 1245 | face_color_supported_p (struct frame *f, const char *color_name, int background_p) |
82641697 GM |
1246 | { |
1247 | Lisp_Object frame; | |
2d764c78 | 1248 | XColor not_used; |
82641697 GM |
1249 | |
1250 | XSETFRAME (frame, f); | |
6b61353c | 1251 | return |
6a46b96b | 1252 | #ifdef HAVE_WINDOW_SYSTEM |
6b61353c KH |
1253 | FRAME_WINDOW_P (f) |
1254 | ? (!NILP (Fxw_display_color_p (frame)) | |
05131107 JR |
1255 | || xstrcasecmp (color_name, "black") == 0 |
1256 | || xstrcasecmp (color_name, "white") == 0 | |
6b61353c KH |
1257 | || (background_p |
1258 | && face_color_gray_p (f, color_name)) | |
1259 | || (!NILP (Fx_display_grayscale_p (frame)) | |
1260 | && face_color_gray_p (f, color_name))) | |
1261 | : | |
1262 | #endif | |
1263 | tty_defined_color (f, color_name, ¬_used, 0); | |
2d764c78 | 1264 | } |
82641697 GM |
1265 | |
1266 | ||
da47150d | 1267 | DEFUN ("color-gray-p", Fcolor_gray_p, Scolor_gray_p, 1, 2, 0, |
7ee72033 | 1268 | doc: /* Return non-nil if COLOR is a shade of gray (or white or black). |
228299fa | 1269 | FRAME specifies the frame and thus the display for interpreting COLOR. |
7ee72033 | 1270 | If FRAME is nil or omitted, use the selected frame. */) |
5842a27b | 1271 | (Lisp_Object color, Lisp_Object frame) |
cb637678 | 1272 | { |
2d764c78 EZ |
1273 | struct frame *f; |
1274 | ||
b7826503 | 1275 | CHECK_STRING (color); |
6b61353c KH |
1276 | if (NILP (frame)) |
1277 | frame = selected_frame; | |
1278 | else | |
1279 | CHECK_FRAME (frame); | |
2d764c78 | 1280 | f = XFRAME (frame); |
42a5b22f | 1281 | return face_color_gray_p (f, SSDATA (color)) ? Qt : Qnil; |
82641697 | 1282 | } |
660ed669 | 1283 | |
fffc2367 | 1284 | |
da47150d | 1285 | DEFUN ("color-supported-p", Fcolor_supported_p, |
2e1bb1c3 | 1286 | Scolor_supported_p, 1, 3, 0, |
7ee72033 | 1287 | doc: /* Return non-nil if COLOR can be displayed on FRAME. |
228299fa | 1288 | BACKGROUND-P non-nil means COLOR is used as a background. |
fc820cc5 | 1289 | Otherwise, this function tells whether it can be used as a foreground. |
228299fa | 1290 | If FRAME is nil or omitted, use the selected frame. |
7ee72033 | 1291 | COLOR must be a valid color name. */) |
5842a27b | 1292 | (Lisp_Object color, Lisp_Object frame, Lisp_Object background_p) |
82641697 | 1293 | { |
2d764c78 EZ |
1294 | struct frame *f; |
1295 | ||
b7826503 | 1296 | CHECK_STRING (color); |
6b61353c KH |
1297 | if (NILP (frame)) |
1298 | frame = selected_frame; | |
1299 | else | |
1300 | CHECK_FRAME (frame); | |
2d764c78 | 1301 | f = XFRAME (frame); |
42a5b22f | 1302 | if (face_color_supported_p (f, SSDATA (color), !NILP (background_p))) |
82641697 GM |
1303 | return Qt; |
1304 | return Qnil; | |
1305 | } | |
7b37f67b | 1306 | |
08dc08dc | 1307 | |
82641697 GM |
1308 | /* Load color with name NAME for use by face FACE on frame F. |
1309 | TARGET_INDEX must be one of LFACE_FOREGROUND_INDEX, | |
1310 | LFACE_BACKGROUND_INDEX, LFACE_UNDERLINE_INDEX, LFACE_OVERLINE_INDEX, | |
1311 | LFACE_STRIKE_THROUGH_INDEX, or LFACE_BOX_INDEX. Value is the | |
1312 | pixel color. If color cannot be loaded, display a message, and | |
1313 | return the foreground, background or underline color of F, but | |
1314 | record that fact in flags of the face so that we don't try to free | |
1315 | these colors. */ | |
1316 | ||
44747bd0 | 1317 | unsigned long |
971de7fb | 1318 | load_color (struct frame *f, struct face *face, Lisp_Object name, enum lface_attribute_index target_index) |
82641697 GM |
1319 | { |
1320 | XColor color; | |
178c5d9c | 1321 | |
82641697 GM |
1322 | xassert (STRINGP (name)); |
1323 | xassert (target_index == LFACE_FOREGROUND_INDEX | |
1324 | || target_index == LFACE_BACKGROUND_INDEX | |
1325 | || target_index == LFACE_UNDERLINE_INDEX | |
1326 | || target_index == LFACE_OVERLINE_INDEX | |
1327 | || target_index == LFACE_STRIKE_THROUGH_INDEX | |
1328 | || target_index == LFACE_BOX_INDEX); | |
178c5d9c | 1329 | |
82641697 GM |
1330 | /* if the color map is full, defined_color will return a best match |
1331 | to the values in an existing cell. */ | |
42a5b22f | 1332 | if (!defined_color (f, SSDATA (name), &color, 1)) |
82641697 | 1333 | { |
2d764c78 | 1334 | add_to_log ("Unable to load color \"%s\"", name, Qnil); |
178c5d9c | 1335 | |
82641697 | 1336 | switch (target_index) |
1120eb5e | 1337 | { |
82641697 GM |
1338 | case LFACE_FOREGROUND_INDEX: |
1339 | face->foreground_defaulted_p = 1; | |
1340 | color.pixel = FRAME_FOREGROUND_PIXEL (f); | |
1341 | break; | |
178c5d9c | 1342 | |
82641697 GM |
1343 | case LFACE_BACKGROUND_INDEX: |
1344 | face->background_defaulted_p = 1; | |
1345 | color.pixel = FRAME_BACKGROUND_PIXEL (f); | |
1346 | break; | |
178c5d9c | 1347 | |
82641697 GM |
1348 | case LFACE_UNDERLINE_INDEX: |
1349 | face->underline_defaulted_p = 1; | |
1350 | color.pixel = FRAME_FOREGROUND_PIXEL (f); | |
1351 | break; | |
178c5d9c | 1352 | |
82641697 GM |
1353 | case LFACE_OVERLINE_INDEX: |
1354 | face->overline_color_defaulted_p = 1; | |
1355 | color.pixel = FRAME_FOREGROUND_PIXEL (f); | |
1120eb5e | 1356 | break; |
178c5d9c | 1357 | |
82641697 GM |
1358 | case LFACE_STRIKE_THROUGH_INDEX: |
1359 | face->strike_through_color_defaulted_p = 1; | |
1360 | color.pixel = FRAME_FOREGROUND_PIXEL (f); | |
1361 | break; | |
178c5d9c | 1362 | |
82641697 GM |
1363 | case LFACE_BOX_INDEX: |
1364 | face->box_color_defaulted_p = 1; | |
1365 | color.pixel = FRAME_FOREGROUND_PIXEL (f); | |
1366 | break; | |
1367 | ||
1368 | default: | |
1369 | abort (); | |
1120eb5e | 1370 | } |
82641697 GM |
1371 | } |
1372 | #if GLYPH_DEBUG | |
1373 | else | |
1374 | ++ncolors_allocated; | |
1375 | #endif | |
178c5d9c | 1376 | |
82641697 GM |
1377 | return color.pixel; |
1378 | } | |
1120eb5e | 1379 | |
08dc08dc | 1380 | |
c3cee013 | 1381 | #ifdef HAVE_WINDOW_SYSTEM |
1120eb5e | 1382 | |
82641697 GM |
1383 | /* Load colors for face FACE which is used on frame F. Colors are |
1384 | specified by slots LFACE_BACKGROUND_INDEX and LFACE_FOREGROUND_INDEX | |
1385 | of ATTRS. If the background color specified is not supported on F, | |
1386 | try to emulate gray colors with a stipple from Vface_default_stipple. */ | |
1387 | ||
1388 | static void | |
971de7fb | 1389 | load_face_colors (struct frame *f, struct face *face, Lisp_Object *attrs) |
82641697 GM |
1390 | { |
1391 | Lisp_Object fg, bg; | |
1392 | ||
1393 | bg = attrs[LFACE_BACKGROUND_INDEX]; | |
1394 | fg = attrs[LFACE_FOREGROUND_INDEX]; | |
1395 | ||
1396 | /* Swap colors if face is inverse-video. */ | |
1397 | if (EQ (attrs[LFACE_INVERSE_INDEX], Qt)) | |
1398 | { | |
1399 | Lisp_Object tmp; | |
1400 | tmp = fg; | |
1401 | fg = bg; | |
1402 | bg = tmp; | |
1403 | } | |
1404 | ||
1405 | /* Check for support for foreground, not for background because | |
1406 | face_color_supported_p is smart enough to know that grays are | |
1407 | "supported" as background because we are supposed to use stipple | |
1408 | for them. */ | |
42a5b22f | 1409 | if (!face_color_supported_p (f, SSDATA (bg), 0) |
fef04523 | 1410 | && !NILP (Fbitmap_spec_p (Vface_default_stipple))) |
82641697 GM |
1411 | { |
1412 | x_destroy_bitmap (f, face->stipple); | |
1413 | face->stipple = load_pixmap (f, Vface_default_stipple, | |
1414 | &face->pixmap_w, &face->pixmap_h); | |
1415 | } | |
82641697 | 1416 | |
be8a72f4 | 1417 | face->background = load_color (f, face, bg, LFACE_BACKGROUND_INDEX); |
82641697 | 1418 | face->foreground = load_color (f, face, fg, LFACE_FOREGROUND_INDEX); |
cb637678 JB |
1419 | } |
1420 | ||
660ed669 | 1421 | |
82641697 | 1422 | /* Free color PIXEL on frame F. */ |
cd0bb842 | 1423 | |
cb637678 | 1424 | void |
971de7fb | 1425 | unload_color (struct frame *f, long unsigned int pixel) |
cb637678 | 1426 | { |
c3cee013 | 1427 | #ifdef HAVE_X_WINDOWS |
30a7ac22 GM |
1428 | if (pixel != -1) |
1429 | { | |
1430 | BLOCK_INPUT; | |
1431 | x_free_colors (f, &pixel, 1); | |
1432 | UNBLOCK_INPUT; | |
1433 | } | |
c3cee013 | 1434 | #endif |
82641697 GM |
1435 | } |
1436 | ||
1437 | ||
1438 | /* Free colors allocated for FACE. */ | |
1439 | ||
1440 | static void | |
971de7fb | 1441 | free_face_colors (struct frame *f, struct face *face) |
82641697 | 1442 | { |
edfda783 | 1443 | /* PENDING(NS): need to do something here? */ |
c3cee013 | 1444 | #ifdef HAVE_X_WINDOWS |
28a072fe GM |
1445 | if (face->colors_copied_bitwise_p) |
1446 | return; | |
1447 | ||
08dc08dc | 1448 | BLOCK_INPUT; |
178c5d9c | 1449 | |
08dc08dc GM |
1450 | if (!face->foreground_defaulted_p) |
1451 | { | |
1452 | x_free_colors (f, &face->foreground, 1); | |
1453 | IF_DEBUG (--ncolors_allocated); | |
1454 | } | |
178c5d9c | 1455 | |
08dc08dc GM |
1456 | if (!face->background_defaulted_p) |
1457 | { | |
1458 | x_free_colors (f, &face->background, 1); | |
1459 | IF_DEBUG (--ncolors_allocated); | |
1460 | } | |
82641697 | 1461 | |
08dc08dc GM |
1462 | if (face->underline_p |
1463 | && !face->underline_defaulted_p) | |
1464 | { | |
1465 | x_free_colors (f, &face->underline_color, 1); | |
1466 | IF_DEBUG (--ncolors_allocated); | |
1467 | } | |
82641697 | 1468 | |
08dc08dc GM |
1469 | if (face->overline_p |
1470 | && !face->overline_color_defaulted_p) | |
1471 | { | |
1472 | x_free_colors (f, &face->overline_color, 1); | |
1473 | IF_DEBUG (--ncolors_allocated); | |
1474 | } | |
82641697 | 1475 | |
08dc08dc GM |
1476 | if (face->strike_through_p |
1477 | && !face->strike_through_color_defaulted_p) | |
1478 | { | |
1479 | x_free_colors (f, &face->strike_through_color, 1); | |
1480 | IF_DEBUG (--ncolors_allocated); | |
1481 | } | |
82641697 | 1482 | |
08dc08dc GM |
1483 | if (face->box != FACE_NO_BOX |
1484 | && !face->box_color_defaulted_p) | |
1485 | { | |
1486 | x_free_colors (f, &face->box_color, 1); | |
1487 | IF_DEBUG (--ncolors_allocated); | |
82641697 | 1488 | } |
08dc08dc GM |
1489 | |
1490 | UNBLOCK_INPUT; | |
2d764c78 | 1491 | #endif /* HAVE_X_WINDOWS */ |
c3cee013 | 1492 | } |
08dc08dc | 1493 | |
c3cee013 | 1494 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
1495 | |
1496 | ||
1497 | \f | |
1498 | /*********************************************************************** | |
1499 | XLFD Font Names | |
1500 | ***********************************************************************/ | |
1501 | ||
1502 | /* An enumerator for each field of an XLFD font name. */ | |
1503 | ||
1504 | enum xlfd_field | |
1505 | { | |
1506 | XLFD_FOUNDRY, | |
1507 | XLFD_FAMILY, | |
1508 | XLFD_WEIGHT, | |
1509 | XLFD_SLANT, | |
1510 | XLFD_SWIDTH, | |
1511 | XLFD_ADSTYLE, | |
1512 | XLFD_PIXEL_SIZE, | |
1513 | XLFD_POINT_SIZE, | |
1514 | XLFD_RESX, | |
1515 | XLFD_RESY, | |
1516 | XLFD_SPACING, | |
1517 | XLFD_AVGWIDTH, | |
1518 | XLFD_REGISTRY, | |
1519 | XLFD_ENCODING, | |
1520 | XLFD_LAST | |
1521 | }; | |
1522 | ||
178c5d9c | 1523 | /* An enumerator for each possible slant value of a font. Taken from |
82641697 GM |
1524 | the XLFD specification. */ |
1525 | ||
1526 | enum xlfd_slant | |
1527 | { | |
1528 | XLFD_SLANT_UNKNOWN, | |
1529 | XLFD_SLANT_ROMAN, | |
1530 | XLFD_SLANT_ITALIC, | |
1531 | XLFD_SLANT_OBLIQUE, | |
1532 | XLFD_SLANT_REVERSE_ITALIC, | |
1533 | XLFD_SLANT_REVERSE_OBLIQUE, | |
1534 | XLFD_SLANT_OTHER | |
1535 | }; | |
1536 | ||
1537 | /* Relative font weight according to XLFD documentation. */ | |
1538 | ||
1539 | enum xlfd_weight | |
1540 | { | |
1541 | XLFD_WEIGHT_UNKNOWN, | |
1542 | XLFD_WEIGHT_ULTRA_LIGHT, /* 10 */ | |
1543 | XLFD_WEIGHT_EXTRA_LIGHT, /* 20 */ | |
1544 | XLFD_WEIGHT_LIGHT, /* 30 */ | |
1545 | XLFD_WEIGHT_SEMI_LIGHT, /* 40: SemiLight, Book, ... */ | |
1546 | XLFD_WEIGHT_MEDIUM, /* 50: Medium, Normal, Regular, ... */ | |
1547 | XLFD_WEIGHT_SEMI_BOLD, /* 60: SemiBold, DemiBold, ... */ | |
1548 | XLFD_WEIGHT_BOLD, /* 70: Bold, ... */ | |
1549 | XLFD_WEIGHT_EXTRA_BOLD, /* 80: ExtraBold, Heavy, ... */ | |
1550 | XLFD_WEIGHT_ULTRA_BOLD /* 90: UltraBold, Black, ... */ | |
1551 | }; | |
1552 | ||
1553 | /* Relative proportionate width. */ | |
1554 | ||
1555 | enum xlfd_swidth | |
1556 | { | |
1557 | XLFD_SWIDTH_UNKNOWN, | |
1558 | XLFD_SWIDTH_ULTRA_CONDENSED, /* 10 */ | |
1559 | XLFD_SWIDTH_EXTRA_CONDENSED, /* 20 */ | |
1560 | XLFD_SWIDTH_CONDENSED, /* 30: Condensed, Narrow, Compressed, ... */ | |
1561 | XLFD_SWIDTH_SEMI_CONDENSED, /* 40: semicondensed */ | |
1562 | XLFD_SWIDTH_MEDIUM, /* 50: Medium, Normal, Regular, ... */ | |
1563 | XLFD_SWIDTH_SEMI_EXPANDED, /* 60: SemiExpanded, DemiExpanded, ... */ | |
1564 | XLFD_SWIDTH_EXPANDED, /* 70: Expanded... */ | |
1565 | XLFD_SWIDTH_EXTRA_EXPANDED, /* 80: ExtraExpanded, Wide... */ | |
1566 | XLFD_SWIDTH_ULTRA_EXPANDED /* 90: UltraExpanded... */ | |
1567 | }; | |
1568 | ||
82641697 GM |
1569 | /* Order by which font selection chooses fonts. The default values |
1570 | mean `first, find a best match for the font width, then for the | |
1571 | font height, then for weight, then for slant.' This variable can be | |
1572 | set via set-face-font-sort-order. */ | |
1573 | ||
1574 | static int font_sort_order[4]; | |
82641697 | 1575 | |
2dee4c0b KH |
1576 | #ifdef HAVE_WINDOW_SYSTEM |
1577 | ||
2dee4c0b | 1578 | static enum font_property_index font_props_for_sorting[FONT_SIZE_INDEX]; |
82641697 | 1579 | |
2dee4c0b | 1580 | static int |
971de7fb | 1581 | compare_fonts_by_sort_order (const void *v1, const void *v2) |
2dee4c0b KH |
1582 | { |
1583 | Lisp_Object font1 = *(Lisp_Object *) v1; | |
1584 | Lisp_Object font2 = *(Lisp_Object *) v2; | |
1585 | int i; | |
d5ab09cd | 1586 | |
2dee4c0b KH |
1587 | for (i = 0; i < FONT_SIZE_INDEX; i++) |
1588 | { | |
1589 | enum font_property_index idx = font_props_for_sorting[i]; | |
1590 | Lisp_Object val1 = AREF (font1, idx), val2 = AREF (font2, idx); | |
1591 | int result; | |
82641697 | 1592 | |
2dee4c0b KH |
1593 | if (idx <= FONT_REGISTRY_INDEX) |
1594 | { | |
1595 | if (STRINGP (val1)) | |
42a5b22f | 1596 | result = STRINGP (val2) ? strcmp (SSDATA (val1), SSDATA (val2)) : -1; |
2dee4c0b KH |
1597 | else |
1598 | result = STRINGP (val2) ? 1 : 0; | |
1599 | } | |
1600 | else | |
1601 | { | |
1602 | if (INTEGERP (val1)) | |
1603 | result = INTEGERP (val2) ? XINT (val1) - XINT (val2) : -1; | |
1604 | else | |
1605 | result = INTEGERP (val2) ? 1 : 0; | |
1606 | } | |
1607 | if (result) | |
1608 | return result; | |
1609 | } | |
1610 | return 0; | |
82641697 GM |
1611 | } |
1612 | ||
2dee4c0b KH |
1613 | DEFUN ("x-family-fonts", Fx_family_fonts, Sx_family_fonts, 0, 2, 0, |
1614 | doc: /* Return a list of available fonts of family FAMILY on FRAME. | |
1615 | If FAMILY is omitted or nil, list all families. | |
1616 | Otherwise, FAMILY must be a string, possibly containing wildcards | |
1617 | `?' and `*'. | |
1618 | If FRAME is omitted or nil, use the selected frame. | |
1619 | Each element of the result is a vector [FAMILY WIDTH POINT-SIZE WEIGHT | |
1620 | SLANT FIXED-P FULL REGISTRY-AND-ENCODING]. | |
1621 | FAMILY is the font family name. POINT-SIZE is the size of the | |
1622 | font in 1/10 pt. WIDTH, WEIGHT, and SLANT are symbols describing the | |
1623 | width, weight and slant of the font. These symbols are the same as for | |
1624 | face attributes. FIXED-P is non-nil if the font is fixed-pitch. | |
1625 | FULL is the full name of the font, and REGISTRY-AND-ENCODING is a string | |
1626 | giving the registry and encoding of the font. | |
1627 | The result list is sorted according to the current setting of | |
1628 | the face font sort order. */) | |
5842a27b | 1629 | (Lisp_Object family, Lisp_Object frame) |
2dee4c0b | 1630 | { |
022eef62 CY |
1631 | Lisp_Object font_spec, list, *drivers, vec; |
1632 | int i, nfonts, ndrivers; | |
2dee4c0b | 1633 | Lisp_Object result; |
82641697 | 1634 | |
62057df6 KH |
1635 | if (NILP (frame)) |
1636 | frame = selected_frame; | |
1637 | CHECK_LIVE_FRAME (frame); | |
1638 | ||
1639 | font_spec = Ffont_spec (0, NULL); | |
2dee4c0b KH |
1640 | if (!NILP (family)) |
1641 | { | |
1642 | CHECK_STRING (family); | |
6b1f69f1 | 1643 | font_parse_family_registry (family, Qnil, font_spec); |
2dee4c0b | 1644 | } |
022eef62 CY |
1645 | |
1646 | list = font_list_entities (frame, font_spec); | |
1647 | if (NILP (list)) | |
2dee4c0b | 1648 | return Qnil; |
022eef62 CY |
1649 | |
1650 | /* Sort the font entities. */ | |
1651 | for (i = 0; i < 4; i++) | |
1652 | switch (font_sort_order[i]) | |
1653 | { | |
1654 | case XLFD_SWIDTH: | |
1655 | font_props_for_sorting[i] = FONT_WIDTH_INDEX; break; | |
1656 | case XLFD_POINT_SIZE: | |
1657 | font_props_for_sorting[i] = FONT_SIZE_INDEX; break; | |
1658 | case XLFD_WEIGHT: | |
1659 | font_props_for_sorting[i] = FONT_WEIGHT_INDEX; break; | |
1660 | default: | |
1661 | font_props_for_sorting[i] = FONT_SLANT_INDEX; break; | |
1662 | } | |
1663 | font_props_for_sorting[i++] = FONT_FAMILY_INDEX; | |
1664 | font_props_for_sorting[i++] = FONT_FOUNDRY_INDEX; | |
1665 | font_props_for_sorting[i++] = FONT_ADSTYLE_INDEX; | |
1666 | font_props_for_sorting[i++] = FONT_REGISTRY_INDEX; | |
1667 | ||
1668 | ndrivers = XINT (Flength (list)); | |
1669 | drivers = alloca (sizeof (Lisp_Object) * ndrivers); | |
1670 | for (i = 0; i < ndrivers; i++, list = XCDR (list)) | |
1671 | drivers[i] = XCAR (list); | |
1672 | vec = Fvconcat (ndrivers, drivers); | |
1673 | nfonts = ASIZE (vec); | |
1674 | ||
1675 | qsort (XVECTOR (vec)->contents, nfonts, sizeof (Lisp_Object), | |
1676 | compare_fonts_by_sort_order); | |
82641697 | 1677 | |
2dee4c0b KH |
1678 | result = Qnil; |
1679 | for (i = nfonts - 1; i >= 0; --i) | |
1680 | { | |
1681 | Lisp_Object font = AREF (vec, i); | |
1682 | Lisp_Object v = Fmake_vector (make_number (8), Qnil); | |
1683 | int point; | |
1684 | Lisp_Object spacing; | |
1685 | ||
1686 | ASET (v, 0, AREF (font, FONT_FAMILY_INDEX)); | |
1687 | ASET (v, 1, FONT_WIDTH_SYMBOLIC (font)); | |
1688 | point = PIXEL_TO_POINT (XINT (AREF (font, FONT_SIZE_INDEX)) * 10, | |
62057df6 | 1689 | XFRAME (frame)->resy); |
2dee4c0b KH |
1690 | ASET (v, 2, make_number (point)); |
1691 | ASET (v, 3, FONT_WEIGHT_SYMBOLIC (font)); | |
1692 | ASET (v, 4, FONT_SLANT_SYMBOLIC (font)); | |
1693 | spacing = Ffont_get (font, QCspacing); | |
1694 | ASET (v, 5, (NILP (spacing) || EQ (spacing, Qp)) ? Qnil : Qt); | |
62057df6 | 1695 | ASET (v, 6, Ffont_xlfd_name (font, Qnil)); |
2dee4c0b | 1696 | ASET (v, 7, AREF (font, FONT_REGISTRY_INDEX)); |
82641697 | 1697 | |
2dee4c0b KH |
1698 | result = Fcons (v, result); |
1699 | } | |
82641697 | 1700 | |
2dee4c0b | 1701 | return result; |
82641697 GM |
1702 | } |
1703 | ||
2dee4c0b KH |
1704 | DEFUN ("x-list-fonts", Fx_list_fonts, Sx_list_fonts, 1, 5, 0, |
1705 | doc: /* Return a list of the names of available fonts matching PATTERN. | |
1706 | If optional arguments FACE and FRAME are specified, return only fonts | |
1707 | the same size as FACE on FRAME. | |
21bdb81a CY |
1708 | |
1709 | PATTERN should be a string containing a font name in the XLFD, | |
1710 | Fontconfig, or GTK format. A font name given in the XLFD format may | |
1711 | contain wildcard characters: | |
2dee4c0b KH |
1712 | the * character matches any substring, and |
1713 | the ? character matches any single character. | |
1714 | PATTERN is case-insensitive. | |
2dee4c0b KH |
1715 | |
1716 | The return value is a list of strings, suitable as arguments to | |
d5ab09cd | 1717 | `set-face-font'. |
82641697 | 1718 | |
2dee4c0b KH |
1719 | Fonts Emacs can't use may or may not be excluded |
1720 | even if they match PATTERN and FACE. | |
1721 | The optional fourth argument MAXIMUM sets a limit on how many | |
1722 | fonts to match. The first MAXIMUM fonts are reported. | |
1723 | The optional fifth argument WIDTH, if specified, is a number of columns | |
1724 | occupied by a character of a font. In that case, return only fonts | |
1725 | the WIDTH times as wide as FACE on FRAME. */) | |
5842a27b | 1726 | (Lisp_Object pattern, Lisp_Object face, Lisp_Object frame, Lisp_Object maximum, Lisp_Object width) |
82641697 | 1727 | { |
2dee4c0b | 1728 | struct frame *f; |
1e9966ea | 1729 | int size, avgwidth IF_LINT (= 0); |
82641697 | 1730 | |
2dee4c0b KH |
1731 | check_x (); |
1732 | CHECK_STRING (pattern); | |
82641697 | 1733 | |
2dee4c0b KH |
1734 | if (! NILP (maximum)) |
1735 | CHECK_NATNUM (maximum); | |
82641697 | 1736 | |
2dee4c0b KH |
1737 | if (!NILP (width)) |
1738 | CHECK_NUMBER (width); | |
82641697 | 1739 | |
2dee4c0b KH |
1740 | /* We can't simply call check_x_frame because this function may be |
1741 | called before any frame is created. */ | |
1742 | if (NILP (frame)) | |
1743 | frame = selected_frame; | |
1744 | f = frame_or_selected_frame (frame, 2); | |
1745 | if (! FRAME_WINDOW_P (f)) | |
1746 | { | |
1747 | /* Perhaps we have not yet created any frame. */ | |
1748 | f = NULL; | |
1749 | frame = Qnil; | |
1750 | face = Qnil; | |
1751 | } | |
82641697 | 1752 | |
2dee4c0b | 1753 | /* Determine the width standard for comparison with the fonts we find. */ |
82641697 | 1754 | |
2dee4c0b KH |
1755 | if (NILP (face)) |
1756 | size = 0; | |
1757 | else | |
1758 | { | |
1759 | /* This is of limited utility since it works with character | |
1760 | widths. Keep it for compatibility. --gerd. */ | |
1761 | int face_id = lookup_named_face (f, face, 0); | |
071048a3 PE |
1762 | struct face *width_face = (face_id < 0 |
1763 | ? NULL | |
1764 | : FACE_FROM_ID (f, face_id)); | |
82641697 | 1765 | |
071048a3 | 1766 | if (width_face && width_face->font) |
2dee4c0b | 1767 | { |
071048a3 PE |
1768 | size = width_face->font->pixel_size; |
1769 | avgwidth = width_face->font->average_width; | |
2dee4c0b KH |
1770 | } |
1771 | else | |
1772 | { | |
1773 | size = FRAME_FONT (f)->pixel_size; | |
1774 | avgwidth = FRAME_FONT (f)->average_width; | |
1775 | } | |
1776 | if (!NILP (width)) | |
1777 | avgwidth *= XINT (width); | |
1778 | } | |
82641697 | 1779 | |
2dee4c0b KH |
1780 | { |
1781 | Lisp_Object font_spec; | |
a4eec626 | 1782 | Lisp_Object args[2], tail; |
82641697 | 1783 | |
2dee4c0b | 1784 | font_spec = font_spec_from_name (pattern); |
21bdb81a CY |
1785 | if (!FONTP (font_spec)) |
1786 | signal_error ("Invalid font name", pattern); | |
1787 | ||
2dee4c0b KH |
1788 | if (size) |
1789 | { | |
1790 | Ffont_put (font_spec, QCsize, make_number (size)); | |
1791 | Ffont_put (font_spec, QCavgwidth, make_number (avgwidth)); | |
1792 | } | |
34e97272 | 1793 | args[0] = Flist_fonts (font_spec, frame, maximum, font_spec); |
a4eec626 | 1794 | for (tail = args[0]; CONSP (tail); tail = XCDR (tail)) |
493dcf2c KH |
1795 | { |
1796 | Lisp_Object font_entity; | |
1797 | ||
1798 | font_entity = XCAR (tail); | |
1799 | if ((NILP (AREF (font_entity, FONT_SIZE_INDEX)) | |
1800 | || XINT (AREF (font_entity, FONT_SIZE_INDEX)) == 0) | |
1801 | && ! NILP (AREF (font_spec, FONT_SIZE_INDEX))) | |
1802 | { | |
1803 | /* This is a scalable font. For backward compatibility, | |
1804 | we set the specified size. */ | |
92470028 | 1805 | font_entity = copy_font_spec (font_entity); |
493dcf2c KH |
1806 | ASET (font_entity, FONT_SIZE_INDEX, |
1807 | AREF (font_spec, FONT_SIZE_INDEX)); | |
1808 | } | |
1809 | XSETCAR (tail, Ffont_xlfd_name (font_entity, Qnil)); | |
1810 | } | |
2dee4c0b KH |
1811 | if (NILP (frame)) |
1812 | /* We don't have to check fontsets. */ | |
1813 | return args[0]; | |
1814 | args[1] = list_fontsets (f, pattern, size); | |
1815 | return Fnconc (2, args); | |
1816 | } | |
82641697 | 1817 | } |
178c5d9c | 1818 | |
2dee4c0b | 1819 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 | 1820 | |
82641697 GM |
1821 | \f |
1822 | /*********************************************************************** | |
1823 | Lisp Faces | |
1824 | ***********************************************************************/ | |
1825 | ||
a08332c0 GM |
1826 | /* Access face attributes of face LFACE, a Lisp vector. */ |
1827 | ||
1828 | #define LFACE_FAMILY(LFACE) AREF ((LFACE), LFACE_FAMILY_INDEX) | |
53aaf1e2 | 1829 | #define LFACE_FOUNDRY(LFACE) AREF ((LFACE), LFACE_FOUNDRY_INDEX) |
a08332c0 GM |
1830 | #define LFACE_HEIGHT(LFACE) AREF ((LFACE), LFACE_HEIGHT_INDEX) |
1831 | #define LFACE_WEIGHT(LFACE) AREF ((LFACE), LFACE_WEIGHT_INDEX) | |
1832 | #define LFACE_SLANT(LFACE) AREF ((LFACE), LFACE_SLANT_INDEX) | |
1833 | #define LFACE_UNDERLINE(LFACE) AREF ((LFACE), LFACE_UNDERLINE_INDEX) | |
1834 | #define LFACE_INVERSE(LFACE) AREF ((LFACE), LFACE_INVERSE_INDEX) | |
1835 | #define LFACE_FOREGROUND(LFACE) AREF ((LFACE), LFACE_FOREGROUND_INDEX) | |
1836 | #define LFACE_BACKGROUND(LFACE) AREF ((LFACE), LFACE_BACKGROUND_INDEX) | |
1837 | #define LFACE_STIPPLE(LFACE) AREF ((LFACE), LFACE_STIPPLE_INDEX) | |
1838 | #define LFACE_SWIDTH(LFACE) AREF ((LFACE), LFACE_SWIDTH_INDEX) | |
1839 | #define LFACE_OVERLINE(LFACE) AREF ((LFACE), LFACE_OVERLINE_INDEX) | |
1840 | #define LFACE_STRIKE_THROUGH(LFACE) AREF ((LFACE), LFACE_STRIKE_THROUGH_INDEX) | |
1841 | #define LFACE_BOX(LFACE) AREF ((LFACE), LFACE_BOX_INDEX) | |
1842 | #define LFACE_FONT(LFACE) AREF ((LFACE), LFACE_FONT_INDEX) | |
1843 | #define LFACE_INHERIT(LFACE) AREF ((LFACE), LFACE_INHERIT_INDEX) | |
763bc839 | 1844 | #define LFACE_FONTSET(LFACE) AREF ((LFACE), LFACE_FONTSET_INDEX) |
82641697 | 1845 | |
73719eba | 1846 | #if XASSERTS |
82641697 GM |
1847 | /* Non-zero if LFACE is a Lisp face. A Lisp face is a vector of size |
1848 | LFACE_VECTOR_SIZE which has the symbol `face' in slot 0. */ | |
1849 | ||
1850 | #define LFACEP(LFACE) \ | |
1851 | (VECTORP (LFACE) \ | |
77b37c05 | 1852 | && ASIZE (LFACE) == LFACE_VECTOR_SIZE \ |
a08332c0 | 1853 | && EQ (AREF (LFACE, 0), Qface)) |
73719eba | 1854 | #endif |
82641697 | 1855 | |
178c5d9c | 1856 | |
82641697 GM |
1857 | #if GLYPH_DEBUG |
1858 | ||
1859 | /* Check consistency of Lisp face attribute vector ATTRS. */ | |
1860 | ||
1861 | static void | |
7d7d0045 | 1862 | check_lface_attrs (Lisp_Object *attrs) |
82641697 GM |
1863 | { |
1864 | xassert (UNSPECIFIEDP (attrs[LFACE_FAMILY_INDEX]) | |
2ff10663 | 1865 | || IGNORE_DEFFACE_P (attrs[LFACE_FAMILY_INDEX]) |
82641697 | 1866 | || STRINGP (attrs[LFACE_FAMILY_INDEX])); |
53aaf1e2 KH |
1867 | xassert (UNSPECIFIEDP (attrs[LFACE_FOUNDRY_INDEX]) |
1868 | || IGNORE_DEFFACE_P (attrs[LFACE_FOUNDRY_INDEX]) | |
1869 | || STRINGP (attrs[LFACE_FOUNDRY_INDEX])); | |
82641697 | 1870 | xassert (UNSPECIFIEDP (attrs[LFACE_SWIDTH_INDEX]) |
2ff10663 | 1871 | || IGNORE_DEFFACE_P (attrs[LFACE_SWIDTH_INDEX]) |
82641697 GM |
1872 | || SYMBOLP (attrs[LFACE_SWIDTH_INDEX])); |
1873 | xassert (UNSPECIFIEDP (attrs[LFACE_HEIGHT_INDEX]) | |
2ff10663 | 1874 | || IGNORE_DEFFACE_P (attrs[LFACE_HEIGHT_INDEX]) |
2c20458f MB |
1875 | || INTEGERP (attrs[LFACE_HEIGHT_INDEX]) |
1876 | || FLOATP (attrs[LFACE_HEIGHT_INDEX]) | |
1877 | || FUNCTIONP (attrs[LFACE_HEIGHT_INDEX])); | |
82641697 | 1878 | xassert (UNSPECIFIEDP (attrs[LFACE_WEIGHT_INDEX]) |
2ff10663 | 1879 | || IGNORE_DEFFACE_P (attrs[LFACE_WEIGHT_INDEX]) |
82641697 GM |
1880 | || SYMBOLP (attrs[LFACE_WEIGHT_INDEX])); |
1881 | xassert (UNSPECIFIEDP (attrs[LFACE_SLANT_INDEX]) | |
2ff10663 | 1882 | || IGNORE_DEFFACE_P (attrs[LFACE_SLANT_INDEX]) |
82641697 GM |
1883 | || SYMBOLP (attrs[LFACE_SLANT_INDEX])); |
1884 | xassert (UNSPECIFIEDP (attrs[LFACE_UNDERLINE_INDEX]) | |
2ff10663 | 1885 | || IGNORE_DEFFACE_P (attrs[LFACE_UNDERLINE_INDEX]) |
82641697 GM |
1886 | || SYMBOLP (attrs[LFACE_UNDERLINE_INDEX]) |
1887 | || STRINGP (attrs[LFACE_UNDERLINE_INDEX])); | |
1888 | xassert (UNSPECIFIEDP (attrs[LFACE_OVERLINE_INDEX]) | |
2ff10663 | 1889 | || IGNORE_DEFFACE_P (attrs[LFACE_OVERLINE_INDEX]) |
82641697 GM |
1890 | || SYMBOLP (attrs[LFACE_OVERLINE_INDEX]) |
1891 | || STRINGP (attrs[LFACE_OVERLINE_INDEX])); | |
1892 | xassert (UNSPECIFIEDP (attrs[LFACE_STRIKE_THROUGH_INDEX]) | |
2ff10663 | 1893 | || IGNORE_DEFFACE_P (attrs[LFACE_STRIKE_THROUGH_INDEX]) |
82641697 GM |
1894 | || SYMBOLP (attrs[LFACE_STRIKE_THROUGH_INDEX]) |
1895 | || STRINGP (attrs[LFACE_STRIKE_THROUGH_INDEX])); | |
1896 | xassert (UNSPECIFIEDP (attrs[LFACE_BOX_INDEX]) | |
2ff10663 | 1897 | || IGNORE_DEFFACE_P (attrs[LFACE_BOX_INDEX]) |
82641697 GM |
1898 | || SYMBOLP (attrs[LFACE_BOX_INDEX]) |
1899 | || STRINGP (attrs[LFACE_BOX_INDEX]) | |
1900 | || INTEGERP (attrs[LFACE_BOX_INDEX]) | |
1901 | || CONSP (attrs[LFACE_BOX_INDEX])); | |
1902 | xassert (UNSPECIFIEDP (attrs[LFACE_INVERSE_INDEX]) | |
2ff10663 | 1903 | || IGNORE_DEFFACE_P (attrs[LFACE_INVERSE_INDEX]) |
82641697 GM |
1904 | || SYMBOLP (attrs[LFACE_INVERSE_INDEX])); |
1905 | xassert (UNSPECIFIEDP (attrs[LFACE_FOREGROUND_INDEX]) | |
2ff10663 | 1906 | || IGNORE_DEFFACE_P (attrs[LFACE_FOREGROUND_INDEX]) |
82641697 GM |
1907 | || STRINGP (attrs[LFACE_FOREGROUND_INDEX])); |
1908 | xassert (UNSPECIFIEDP (attrs[LFACE_BACKGROUND_INDEX]) | |
2ff10663 | 1909 | || IGNORE_DEFFACE_P (attrs[LFACE_BACKGROUND_INDEX]) |
82641697 | 1910 | || STRINGP (attrs[LFACE_BACKGROUND_INDEX])); |
2c20458f | 1911 | xassert (UNSPECIFIEDP (attrs[LFACE_INHERIT_INDEX]) |
2ff10663 | 1912 | || IGNORE_DEFFACE_P (attrs[LFACE_INHERIT_INDEX]) |
2c20458f MB |
1913 | || NILP (attrs[LFACE_INHERIT_INDEX]) |
1914 | || SYMBOLP (attrs[LFACE_INHERIT_INDEX]) | |
1915 | || CONSP (attrs[LFACE_INHERIT_INDEX])); | |
82641697 GM |
1916 | #ifdef HAVE_WINDOW_SYSTEM |
1917 | xassert (UNSPECIFIEDP (attrs[LFACE_STIPPLE_INDEX]) | |
2ff10663 | 1918 | || IGNORE_DEFFACE_P (attrs[LFACE_STIPPLE_INDEX]) |
82641697 | 1919 | || SYMBOLP (attrs[LFACE_STIPPLE_INDEX]) |
fef04523 | 1920 | || !NILP (Fbitmap_spec_p (attrs[LFACE_STIPPLE_INDEX]))); |
39506348 | 1921 | xassert (UNSPECIFIEDP (attrs[LFACE_FONT_INDEX]) |
2ff10663 | 1922 | || IGNORE_DEFFACE_P (attrs[LFACE_FONT_INDEX]) |
2dee4c0b | 1923 | || FONTP (attrs[LFACE_FONT_INDEX])); |
763bc839 KH |
1924 | xassert (UNSPECIFIEDP (attrs[LFACE_FONTSET_INDEX]) |
1925 | || STRINGP (attrs[LFACE_FONTSET_INDEX])); | |
82641697 GM |
1926 | #endif |
1927 | } | |
1928 | ||
1929 | ||
1930 | /* Check consistency of attributes of Lisp face LFACE (a Lisp vector). */ | |
1931 | ||
1932 | static void | |
7d7d0045 | 1933 | check_lface (Lisp_Object lface) |
82641697 GM |
1934 | { |
1935 | if (!NILP (lface)) | |
1936 | { | |
1937 | xassert (LFACEP (lface)); | |
1938 | check_lface_attrs (XVECTOR (lface)->contents); | |
1939 | } | |
1940 | } | |
1941 | ||
1942 | #else /* GLYPH_DEBUG == 0 */ | |
1943 | ||
1944 | #define check_lface_attrs(attrs) (void) 0 | |
1945 | #define check_lface(lface) (void) 0 | |
1946 | ||
1947 | #endif /* GLYPH_DEBUG == 0 */ | |
1948 | ||
1949 | ||
a0a23346 MB |
1950 | \f |
1951 | /* Face-merge cycle checking. */ | |
1952 | ||
f2cec7a9 MB |
1953 | enum named_merge_point_kind |
1954 | { | |
1955 | NAMED_MERGE_POINT_NORMAL, | |
1956 | NAMED_MERGE_POINT_REMAP | |
1957 | }; | |
1958 | ||
a0a23346 MB |
1959 | /* A `named merge point' is simply a point during face-merging where we |
1960 | look up a face by name. We keep a stack of which named lookups we're | |
1961 | currently processing so that we can easily detect cycles, using a | |
1962 | linked- list of struct named_merge_point structures, typically | |
1963 | allocated on the stack frame of the named lookup functions which are | |
1964 | active (so no consing is required). */ | |
1965 | struct named_merge_point | |
1966 | { | |
1967 | Lisp_Object face_name; | |
f2cec7a9 | 1968 | enum named_merge_point_kind named_merge_point_kind; |
a0a23346 MB |
1969 | struct named_merge_point *prev; |
1970 | }; | |
1971 | ||
1972 | ||
1973 | /* If a face merging cycle is detected for FACE_NAME, return 0, | |
1974 | otherwise add NEW_NAMED_MERGE_POINT, which is initialized using | |
f2cec7a9 MB |
1975 | FACE_NAME and NAMED_MERGE_POINT_KIND, as the head of the linked list |
1976 | pointed to by NAMED_MERGE_POINTS, and return 1. */ | |
a0a23346 | 1977 | |
55d4c1b2 | 1978 | static inline int |
a0a23346 MB |
1979 | push_named_merge_point (struct named_merge_point *new_named_merge_point, |
1980 | Lisp_Object face_name, | |
f2cec7a9 | 1981 | enum named_merge_point_kind named_merge_point_kind, |
a0a23346 MB |
1982 | struct named_merge_point **named_merge_points) |
1983 | { | |
1984 | struct named_merge_point *prev; | |
1985 | ||
1986 | for (prev = *named_merge_points; prev; prev = prev->prev) | |
1987 | if (EQ (face_name, prev->face_name)) | |
f2cec7a9 MB |
1988 | { |
1989 | if (prev->named_merge_point_kind == named_merge_point_kind) | |
1990 | /* A cycle, so fail. */ | |
1991 | return 0; | |
1992 | else if (prev->named_merge_point_kind == NAMED_MERGE_POINT_REMAP) | |
1993 | /* A remap `hides ' any previous normal merge points | |
1994 | (because the remap means that it's actually different face), | |
1995 | so as we know the current merge point must be normal, we | |
1996 | can just assume it's OK. */ | |
1997 | break; | |
1998 | } | |
a0a23346 MB |
1999 | |
2000 | new_named_merge_point->face_name = face_name; | |
f2cec7a9 | 2001 | new_named_merge_point->named_merge_point_kind = named_merge_point_kind; |
a0a23346 MB |
2002 | new_named_merge_point->prev = *named_merge_points; |
2003 | ||
2004 | *named_merge_points = new_named_merge_point; | |
2005 | ||
2006 | return 1; | |
2007 | } | |
2008 | ||
2009 | \f | |
39506348 | 2010 | /* Resolve face name FACE_NAME. If FACE_NAME is a string, intern it |
d1bf13b3 KS |
2011 | to make it a symbol. If FACE_NAME is an alias for another face, |
2012 | return that face's name. | |
2013 | ||
2014 | Return default face in case of errors. */ | |
c7ae3284 GM |
2015 | |
2016 | static Lisp_Object | |
971de7fb | 2017 | resolve_face_name (Lisp_Object face_name, int signal_p) |
c7ae3284 | 2018 | { |
d1bf13b3 KS |
2019 | Lisp_Object orig_face; |
2020 | Lisp_Object tortoise, hare; | |
178c5d9c | 2021 | |
c7ae3284 | 2022 | if (STRINGP (face_name)) |
42a5b22f | 2023 | face_name = intern (SSDATA (face_name)); |
c7ae3284 | 2024 | |
d1bf13b3 KS |
2025 | if (NILP (face_name) || !SYMBOLP (face_name)) |
2026 | return face_name; | |
2027 | ||
2028 | orig_face = face_name; | |
2029 | tortoise = hare = face_name; | |
2030 | ||
2031 | while (1) | |
c7ae3284 | 2032 | { |
d1bf13b3 KS |
2033 | face_name = hare; |
2034 | hare = Fget (hare, Qface_alias); | |
2035 | if (NILP (hare) || !SYMBOLP (hare)) | |
c7ae3284 | 2036 | break; |
d1bf13b3 KS |
2037 | |
2038 | face_name = hare; | |
2039 | hare = Fget (hare, Qface_alias); | |
2040 | if (NILP (hare) || !SYMBOLP (hare)) | |
f3745204 | 2041 | break; |
d1bf13b3 KS |
2042 | |
2043 | tortoise = Fget (tortoise, Qface_alias); | |
2044 | if (EQ (hare, tortoise)) | |
2045 | { | |
2046 | if (signal_p) | |
8009eb44 | 2047 | xsignal1 (Qcircular_list, orig_face); |
d1bf13b3 KS |
2048 | return Qdefault; |
2049 | } | |
c7ae3284 GM |
2050 | } |
2051 | ||
2052 | return face_name; | |
2053 | } | |
2054 | ||
2055 | ||
82641697 | 2056 | /* Return the face definition of FACE_NAME on frame F. F null means |
45d9f1ef GM |
2057 | return the definition for new frames. FACE_NAME may be a string or |
2058 | a symbol (apparently Emacs 20.2 allowed strings as face names in | |
f2cec7a9 MB |
2059 | face text properties; Ediff uses that). If SIGNAL_P is non-zero, |
2060 | signal an error if FACE_NAME is not a valid face name. If SIGNAL_P | |
2061 | is zero, value is nil if FACE_NAME is not a valid face name. */ | |
55d4c1b2 | 2062 | static inline Lisp_Object |
971de7fb | 2063 | lface_from_face_name_no_resolve (struct frame *f, Lisp_Object face_name, int signal_p) |
82641697 | 2064 | { |
c7ae3284 | 2065 | Lisp_Object lface; |
82641697 GM |
2066 | |
2067 | if (f) | |
2068 | lface = assq_no_quit (face_name, f->face_alist); | |
2069 | else | |
2070 | lface = assq_no_quit (face_name, Vface_new_frame_defaults); | |
2071 | ||
2072 | if (CONSP (lface)) | |
2073 | lface = XCDR (lface); | |
2074 | else if (signal_p) | |
2075 | signal_error ("Invalid face", face_name); | |
2076 | ||
2077 | check_lface (lface); | |
f2cec7a9 | 2078 | |
82641697 GM |
2079 | return lface; |
2080 | } | |
2081 | ||
f2cec7a9 MB |
2082 | /* Return the face definition of FACE_NAME on frame F. F null means |
2083 | return the definition for new frames. FACE_NAME may be a string or | |
2084 | a symbol (apparently Emacs 20.2 allowed strings as face names in | |
2085 | face text properties; Ediff uses that). If FACE_NAME is an alias | |
2086 | for another face, return that face's definition. If SIGNAL_P is | |
2087 | non-zero, signal an error if FACE_NAME is not a valid face name. | |
2088 | If SIGNAL_P is zero, value is nil if FACE_NAME is not a valid face | |
2089 | name. */ | |
55d4c1b2 | 2090 | static inline Lisp_Object |
971de7fb | 2091 | lface_from_face_name (struct frame *f, Lisp_Object face_name, int signal_p) |
f2cec7a9 MB |
2092 | { |
2093 | face_name = resolve_face_name (face_name, signal_p); | |
2094 | return lface_from_face_name_no_resolve (f, face_name, signal_p); | |
2095 | } | |
2096 | ||
82641697 | 2097 | |
e7d7fd8c MB |
2098 | /* Get face attributes of face FACE_NAME from frame-local faces on |
2099 | frame F. Store the resulting attributes in ATTRS which must point | |
2100 | to a vector of Lisp_Objects of size LFACE_VECTOR_SIZE. If SIGNAL_P | |
2101 | is non-zero, signal an error if FACE_NAME does not name a face. | |
2102 | Otherwise, value is zero if FACE_NAME is not a face. */ | |
2103 | ||
55d4c1b2 | 2104 | static inline int |
971de7fb | 2105 | get_lface_attributes_no_remap (struct frame *f, Lisp_Object face_name, Lisp_Object *attrs, int signal_p) |
e7d7fd8c MB |
2106 | { |
2107 | Lisp_Object lface; | |
e7d7fd8c | 2108 | |
f2cec7a9 MB |
2109 | lface = lface_from_face_name_no_resolve (f, face_name, signal_p); |
2110 | ||
2111 | if (! NILP (lface)) | |
72af86bd AS |
2112 | memcpy (attrs, XVECTOR (lface)->contents, |
2113 | LFACE_VECTOR_SIZE * sizeof *attrs); | |
f2cec7a9 MB |
2114 | |
2115 | return !NILP (lface); | |
2116 | } | |
2117 | ||
2118 | /* Get face attributes of face FACE_NAME from frame-local faces on frame | |
2119 | F. Store the resulting attributes in ATTRS which must point to a | |
2120 | vector of Lisp_Objects of size LFACE_VECTOR_SIZE. If FACE_NAME is an | |
2121 | alias for another face, use that face's definition. If SIGNAL_P is | |
2122 | non-zero, signal an error if FACE_NAME does not name a face. | |
2123 | Otherwise, value is zero if FACE_NAME is not a face. */ | |
2124 | ||
55d4c1b2 | 2125 | static inline int |
971de7fb | 2126 | get_lface_attributes (struct frame *f, Lisp_Object face_name, Lisp_Object *attrs, int signal_p, struct named_merge_point *named_merge_points) |
f2cec7a9 MB |
2127 | { |
2128 | Lisp_Object face_remapping; | |
2129 | ||
2130 | face_name = resolve_face_name (face_name, signal_p); | |
2131 | ||
2132 | /* See if SYMBOL has been remapped to some other face (usually this | |
2133 | is done buffer-locally). */ | |
2134 | face_remapping = assq_no_quit (face_name, Vface_remapping_alist); | |
2135 | if (CONSP (face_remapping)) | |
e7d7fd8c | 2136 | { |
f2cec7a9 MB |
2137 | struct named_merge_point named_merge_point; |
2138 | ||
2139 | if (push_named_merge_point (&named_merge_point, | |
2140 | face_name, NAMED_MERGE_POINT_REMAP, | |
2141 | &named_merge_points)) | |
2142 | { | |
2143 | int i; | |
2144 | ||
2145 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
2146 | attrs[i] = Qunspecified; | |
2147 | ||
2148 | return merge_face_ref (f, XCDR (face_remapping), attrs, | |
2149 | signal_p, named_merge_points); | |
2150 | } | |
e7d7fd8c | 2151 | } |
e7d7fd8c | 2152 | |
f2cec7a9 MB |
2153 | /* Default case, no remapping. */ |
2154 | return get_lface_attributes_no_remap (f, face_name, attrs, signal_p); | |
e7d7fd8c MB |
2155 | } |
2156 | ||
2157 | ||
82641697 GM |
2158 | /* Non-zero if all attributes in face attribute vector ATTRS are |
2159 | specified, i.e. are non-nil. */ | |
2160 | ||
2161 | static int | |
971de7fb | 2162 | lface_fully_specified_p (Lisp_Object *attrs) |
82641697 GM |
2163 | { |
2164 | int i; | |
2165 | ||
2166 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
2dee4c0b | 2167 | if (i != LFACE_FONT_INDEX && i != LFACE_INHERIT_INDEX) |
9e2a2647 | 2168 | if ((UNSPECIFIEDP (attrs[i]) || IGNORE_DEFFACE_P (attrs[i]))) |
6288c62f | 2169 | break; |
82641697 GM |
2170 | |
2171 | return i == LFACE_VECTOR_SIZE; | |
2172 | } | |
2173 | ||
c3cee013 | 2174 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 2175 | |
2dee4c0b KH |
2176 | /* Set font-related attributes of Lisp face LFACE from FONT-OBJECT. |
2177 | If FORCE_P is zero, set only unspecified attributes of LFACE. The | |
2178 | exception is `font' attribute. It is set to FONT_OBJECT regardless | |
2179 | of FORCE_P. */ | |
178c5d9c | 2180 | |
82641697 | 2181 | static int |
971de7fb | 2182 | set_lface_from_font (struct frame *f, Lisp_Object lface, Lisp_Object font_object, int force_p) |
f4d3bea3 | 2183 | { |
f4d3bea3 | 2184 | Lisp_Object val; |
2dee4c0b | 2185 | struct font *font = XFONT_OBJECT (font_object); |
f4d3bea3 KH |
2186 | |
2187 | /* Set attributes only if unspecified, otherwise face defaults for | |
2188 | new frames would never take effect. If the font doesn't have a | |
2189 | specific property, set a normal value for that. */ | |
2190 | ||
2191 | if (force_p || UNSPECIFIEDP (LFACE_FAMILY (lface))) | |
2192 | { | |
2dee4c0b | 2193 | Lisp_Object family = AREF (font_object, FONT_FAMILY_INDEX); |
f4d3bea3 | 2194 | |
53aaf1e2 KH |
2195 | LFACE_FAMILY (lface) = SYMBOL_NAME (family); |
2196 | } | |
2197 | ||
2198 | if (force_p || UNSPECIFIEDP (LFACE_FOUNDRY (lface))) | |
2199 | { | |
2200 | Lisp_Object foundry = AREF (font_object, FONT_FOUNDRY_INDEX); | |
2201 | ||
2202 | LFACE_FOUNDRY (lface) = SYMBOL_NAME (foundry); | |
f4d3bea3 KH |
2203 | } |
2204 | ||
2205 | if (force_p || UNSPECIFIEDP (LFACE_HEIGHT (lface))) | |
2206 | { | |
2dee4c0b | 2207 | int pt = PIXEL_TO_POINT (font->pixel_size * 10, f->resy); |
f4d3bea3 KH |
2208 | |
2209 | xassert (pt > 0); | |
2210 | LFACE_HEIGHT (lface) = make_number (pt); | |
2211 | } | |
2212 | ||
f4d3bea3 KH |
2213 | if (force_p || UNSPECIFIEDP (LFACE_WEIGHT (lface))) |
2214 | { | |
2dee4c0b KH |
2215 | val = FONT_WEIGHT_FOR_FACE (font_object); |
2216 | LFACE_WEIGHT (lface) = ! NILP (val) ? val :Qnormal; | |
f4d3bea3 KH |
2217 | } |
2218 | if (force_p || UNSPECIFIEDP (LFACE_SLANT (lface))) | |
2219 | { | |
2dee4c0b KH |
2220 | val = FONT_SLANT_FOR_FACE (font_object); |
2221 | LFACE_SLANT (lface) = ! NILP (val) ? val : Qnormal; | |
f4d3bea3 KH |
2222 | } |
2223 | if (force_p || UNSPECIFIEDP (LFACE_SWIDTH (lface))) | |
2224 | { | |
2dee4c0b KH |
2225 | val = FONT_WIDTH_FOR_FACE (font_object); |
2226 | LFACE_SWIDTH (lface) = ! NILP (val) ? val : Qnormal; | |
f4d3bea3 KH |
2227 | } |
2228 | ||
2dee4c0b KH |
2229 | LFACE_FONT (lface) = font_object; |
2230 | return 1; | |
f4d3bea3 | 2231 | } |
f4d3bea3 | 2232 | |
c3cee013 | 2233 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
2234 | |
2235 | ||
2c20458f MB |
2236 | /* Merges the face height FROM with the face height TO, and returns the |
2237 | merged height. If FROM is an invalid height, then INVALID is | |
cdfaafa9 MB |
2238 | returned instead. FROM and TO may be either absolute face heights or |
2239 | `relative' heights; the returned value is always an absolute height | |
fe69cf00 | 2240 | unless both FROM and TO are relative. */ |
2c20458f | 2241 | |
6b463e58 | 2242 | static Lisp_Object |
971de7fb | 2243 | merge_face_heights (Lisp_Object from, Lisp_Object to, Lisp_Object invalid) |
2c20458f | 2244 | { |
cdfaafa9 | 2245 | Lisp_Object result = invalid; |
2c20458f MB |
2246 | |
2247 | if (INTEGERP (from)) | |
cdfaafa9 MB |
2248 | /* FROM is absolute, just use it as is. */ |
2249 | result = from; | |
2250 | else if (FLOATP (from)) | |
2251 | /* FROM is a scale, use it to adjust TO. */ | |
2252 | { | |
2253 | if (INTEGERP (to)) | |
2254 | /* relative X absolute => absolute */ | |
c319cf24 | 2255 | result = make_number ((EMACS_INT)(XFLOAT_DATA (from) * XINT (to))); |
cdfaafa9 MB |
2256 | else if (FLOATP (to)) |
2257 | /* relative X relative => relative */ | |
2258 | result = make_float (XFLOAT_DATA (from) * XFLOAT_DATA (to)); | |
a0a23346 MB |
2259 | else if (UNSPECIFIEDP (to)) |
2260 | result = from; | |
2c20458f | 2261 | } |
2c20458f | 2262 | else if (FUNCTIONP (from)) |
cdfaafa9 | 2263 | /* FROM is a function, which use to adjust TO. */ |
2c20458f MB |
2264 | { |
2265 | /* Call function with current height as argument. | |
2266 | From is the new height. */ | |
cdfaafa9 | 2267 | Lisp_Object args[2]; |
2c20458f MB |
2268 | |
2269 | args[0] = from; | |
2270 | args[1] = to; | |
cdfaafa9 | 2271 | result = safe_call (2, args); |
2c20458f | 2272 | |
cdfaafa9 MB |
2273 | /* Ensure that if TO was absolute, so is the result. */ |
2274 | if (INTEGERP (to) && !INTEGERP (result)) | |
2275 | result = invalid; | |
2c20458f MB |
2276 | } |
2277 | ||
cdfaafa9 | 2278 | return result; |
2c20458f MB |
2279 | } |
2280 | ||
2281 | ||
2282 | /* Merge two Lisp face attribute vectors on frame F, FROM and TO, and | |
613fa7f2 | 2283 | store the resulting attributes in TO, which must be already be |
e7d7fd8c MB |
2284 | completely specified and contain only absolute attributes. Every |
2285 | specified attribute of FROM overrides the corresponding attribute of | |
2286 | TO; relative attributes in FROM are merged with the absolute value in | |
2287 | TO and replace it. NAMED_MERGE_POINTS is used internally to detect | |
f2cec7a9 MB |
2288 | loops in face inheritance/remapping; it should be 0 when called from |
2289 | other places. */ | |
82641697 | 2290 | |
55d4c1b2 | 2291 | static inline void |
971de7fb | 2292 | merge_face_vectors (struct frame *f, Lisp_Object *from, Lisp_Object *to, struct named_merge_point *named_merge_points) |
82641697 GM |
2293 | { |
2294 | int i; | |
2c20458f MB |
2295 | |
2296 | /* If FROM inherits from some other faces, merge their attributes into | |
2297 | TO before merging FROM's direct attributes. Note that an :inherit | |
2298 | attribute of `unspecified' is the same as one of nil; we never | |
2299 | merge :inherit attributes, so nil is more correct, but lots of | |
2300 | other code uses `unspecified' as a generic value for face attributes. */ | |
2301 | if (!UNSPECIFIEDP (from[LFACE_INHERIT_INDEX]) | |
2302 | && !NILP (from[LFACE_INHERIT_INDEX])) | |
a0a23346 | 2303 | merge_face_ref (f, from[LFACE_INHERIT_INDEX], to, 0, named_merge_points); |
2c20458f | 2304 | |
2dee4c0b KH |
2305 | i = LFACE_FONT_INDEX; |
2306 | if (!UNSPECIFIEDP (from[i])) | |
2307 | { | |
2308 | if (!UNSPECIFIEDP (to[i])) | |
92470028 | 2309 | to[i] = merge_font_spec (from[i], to[i]); |
2dee4c0b | 2310 | else |
92470028 | 2311 | to[i] = copy_font_spec (from[i]); |
89dc9a8e KH |
2312 | if (! NILP (AREF (to[i], FONT_FOUNDRY_INDEX))) |
2313 | to[LFACE_FOUNDRY_INDEX] = SYMBOL_NAME (AREF (to[i], FONT_FOUNDRY_INDEX)); | |
2314 | if (! NILP (AREF (to[i], FONT_FAMILY_INDEX))) | |
2315 | to[LFACE_FAMILY_INDEX] = SYMBOL_NAME (AREF (to[i], FONT_FAMILY_INDEX)); | |
2316 | if (! NILP (AREF (to[i], FONT_WEIGHT_INDEX))) | |
2317 | to[LFACE_WEIGHT_INDEX] = FONT_WEIGHT_FOR_FACE (to[i]); | |
2318 | if (! NILP (AREF (to[i], FONT_SLANT_INDEX))) | |
2319 | to[LFACE_SLANT_INDEX] = FONT_SLANT_FOR_FACE (to[i]); | |
2320 | if (! NILP (AREF (to[i], FONT_WIDTH_INDEX))) | |
2321 | to[LFACE_SWIDTH_INDEX] = FONT_WIDTH_FOR_FACE (to[i]); | |
2dee4c0b KH |
2322 | ASET (to[i], FONT_SIZE_INDEX, Qnil); |
2323 | } | |
87188200 | 2324 | |
82641697 GM |
2325 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) |
2326 | if (!UNSPECIFIEDP (from[i])) | |
ab8469eb PJ |
2327 | { |
2328 | if (i == LFACE_HEIGHT_INDEX && !INTEGERP (from[i])) | |
2dee4c0b KH |
2329 | { |
2330 | to[i] = merge_face_heights (from[i], to[i], to[i]); | |
2331 | font_clear_prop (to, FONT_SIZE_INDEX); | |
2332 | } | |
89dc9a8e KH |
2333 | else if (i != LFACE_FONT_INDEX |
2334 | && ! EQ (to[i], from[i])) | |
2dee4c0b KH |
2335 | { |
2336 | to[i] = from[i]; | |
2337 | if (i >= LFACE_FAMILY_INDEX && i <=LFACE_SLANT_INDEX) | |
2338 | font_clear_prop (to, | |
2339 | (i == LFACE_FAMILY_INDEX ? FONT_FAMILY_INDEX | |
53aaf1e2 | 2340 | : i == LFACE_FOUNDRY_INDEX ? FONT_FOUNDRY_INDEX |
2dee4c0b KH |
2341 | : i == LFACE_SWIDTH_INDEX ? FONT_WIDTH_INDEX |
2342 | : i == LFACE_HEIGHT_INDEX ? FONT_SIZE_INDEX | |
2343 | : i == LFACE_WEIGHT_INDEX ? FONT_WEIGHT_INDEX | |
2344 | : FONT_SLANT_INDEX)); | |
2345 | } | |
ab8469eb | 2346 | } |
2c20458f MB |
2347 | |
2348 | /* TO is always an absolute face, which should inherit from nothing. | |
2349 | We blindly copy the :inherit attribute above and fix it up here. */ | |
2350 | to[LFACE_INHERIT_INDEX] = Qnil; | |
2351 | } | |
2352 | ||
a0a23346 MB |
2353 | /* Merge the named face FACE_NAME on frame F, into the vector of face |
2354 | attributes TO. NAMED_MERGE_POINTS is used to detect loops in face | |
2355 | inheritance. Returns true if FACE_NAME is a valid face name and | |
2356 | merging succeeded. */ | |
6288c62f | 2357 | |
a0a23346 | 2358 | static int |
971de7fb | 2359 | merge_named_face (struct frame *f, Lisp_Object face_name, Lisp_Object *to, struct named_merge_point *named_merge_points) |
2c20458f | 2360 | { |
a0a23346 | 2361 | struct named_merge_point named_merge_point; |
2c20458f | 2362 | |
a0a23346 | 2363 | if (push_named_merge_point (&named_merge_point, |
f2cec7a9 MB |
2364 | face_name, NAMED_MERGE_POINT_NORMAL, |
2365 | &named_merge_points)) | |
2c20458f | 2366 | { |
e1e419ec | 2367 | struct gcpro gcpro1; |
e7d7fd8c | 2368 | Lisp_Object from[LFACE_VECTOR_SIZE]; |
f2cec7a9 | 2369 | int ok = get_lface_attributes (f, face_name, from, 0, named_merge_points); |
2c20458f | 2370 | |
e7d7fd8c MB |
2371 | if (ok) |
2372 | { | |
2373 | GCPRO1 (named_merge_point.face_name); | |
2374 | merge_face_vectors (f, from, to, named_merge_points); | |
2375 | UNGCPRO; | |
2376 | } | |
2377 | ||
2378 | return ok; | |
2c20458f | 2379 | } |
a0a23346 MB |
2380 | else |
2381 | return 0; | |
82641697 GM |
2382 | } |
2383 | ||
2384 | ||
a0a23346 MB |
2385 | /* Merge face attributes from the lisp `face reference' FACE_REF on |
2386 | frame F into the face attribute vector TO. If ERR_MSGS is non-zero, | |
2387 | problems with FACE_REF cause an error message to be shown. Return | |
2388 | non-zero if no errors occurred (regardless of the value of ERR_MSGS). | |
2389 | NAMED_MERGE_POINTS is used to detect loops in face inheritance or | |
2390 | list structure; it may be 0 for most callers. | |
2391 | ||
2392 | FACE_REF may be a single face specification or a list of such | |
2393 | specifications. Each face specification can be: | |
82641697 GM |
2394 | |
2395 | 1. A symbol or string naming a Lisp face. | |
2396 | ||
2397 | 2. A property list of the form (KEYWORD VALUE ...) where each | |
2398 | KEYWORD is a face attribute name, and value is an appropriate value | |
2399 | for that attribute. | |
2400 | ||
2401 | 3. Conses or the form (FOREGROUND-COLOR . COLOR) or | |
2402 | (BACKGROUND-COLOR . COLOR) where COLOR is a color name. This is | |
2403 | for compatibility with 20.2. | |
2404 | ||
2405 | Face specifications earlier in lists take precedence over later | |
2406 | specifications. */ | |
178c5d9c | 2407 | |
a0a23346 | 2408 | static int |
971de7fb | 2409 | merge_face_ref (struct frame *f, Lisp_Object face_ref, Lisp_Object *to, int err_msgs, struct named_merge_point *named_merge_points) |
82641697 | 2410 | { |
a0a23346 MB |
2411 | int ok = 1; /* Succeed without an error? */ |
2412 | ||
2413 | if (CONSP (face_ref)) | |
82641697 | 2414 | { |
a0a23346 | 2415 | Lisp_Object first = XCAR (face_ref); |
178c5d9c | 2416 | |
82641697 GM |
2417 | if (EQ (first, Qforeground_color) |
2418 | || EQ (first, Qbackground_color)) | |
2419 | { | |
2420 | /* One of (FOREGROUND-COLOR . COLOR) or (BACKGROUND-COLOR | |
2421 | . COLOR). COLOR must be a string. */ | |
a0a23346 | 2422 | Lisp_Object color_name = XCDR (face_ref); |
82641697 GM |
2423 | Lisp_Object color = first; |
2424 | ||
2425 | if (STRINGP (color_name)) | |
2426 | { | |
2427 | if (EQ (color, Qforeground_color)) | |
2428 | to[LFACE_FOREGROUND_INDEX] = color_name; | |
2429 | else | |
2430 | to[LFACE_BACKGROUND_INDEX] = color_name; | |
2431 | } | |
2432 | else | |
a0a23346 MB |
2433 | { |
2434 | if (err_msgs) | |
2435 | add_to_log ("Invalid face color", color_name, Qnil); | |
2436 | ok = 0; | |
2437 | } | |
82641697 GM |
2438 | } |
2439 | else if (SYMBOLP (first) | |
d5db4077 | 2440 | && *SDATA (SYMBOL_NAME (first)) == ':') |
82641697 GM |
2441 | { |
2442 | /* Assume this is the property list form. */ | |
a0a23346 | 2443 | while (CONSP (face_ref) && CONSP (XCDR (face_ref))) |
82641697 | 2444 | { |
a0a23346 MB |
2445 | Lisp_Object keyword = XCAR (face_ref); |
2446 | Lisp_Object value = XCAR (XCDR (face_ref)); | |
2447 | int err = 0; | |
82641697 | 2448 | |
d9639b25 RS |
2449 | /* Specifying `unspecified' is a no-op. */ |
2450 | if (EQ (value, Qunspecified)) | |
2451 | ; | |
2452 | else if (EQ (keyword, QCfamily)) | |
82641697 GM |
2453 | { |
2454 | if (STRINGP (value)) | |
2dee4c0b KH |
2455 | { |
2456 | to[LFACE_FAMILY_INDEX] = value; | |
2457 | font_clear_prop (to, FONT_FAMILY_INDEX); | |
2458 | } | |
82641697 | 2459 | else |
a0a23346 | 2460 | err = 1; |
82641697 | 2461 | } |
53aaf1e2 KH |
2462 | else if (EQ (keyword, QCfoundry)) |
2463 | { | |
2464 | if (STRINGP (value)) | |
2465 | { | |
2466 | to[LFACE_FOUNDRY_INDEX] = value; | |
2467 | font_clear_prop (to, FONT_FOUNDRY_INDEX); | |
2468 | } | |
2469 | else | |
2470 | err = 1; | |
2471 | } | |
82641697 GM |
2472 | else if (EQ (keyword, QCheight)) |
2473 | { | |
2c20458f | 2474 | Lisp_Object new_height = |
e1e419ec | 2475 | merge_face_heights (value, to[LFACE_HEIGHT_INDEX], Qnil); |
2c20458f | 2476 | |
a0a23346 | 2477 | if (! NILP (new_height)) |
2dee4c0b KH |
2478 | { |
2479 | to[LFACE_HEIGHT_INDEX] = new_height; | |
2480 | font_clear_prop (to, FONT_SIZE_INDEX); | |
2481 | } | |
a0a23346 MB |
2482 | else |
2483 | err = 1; | |
82641697 GM |
2484 | } |
2485 | else if (EQ (keyword, QCweight)) | |
2486 | { | |
2dee4c0b KH |
2487 | if (SYMBOLP (value) && FONT_WEIGHT_NAME_NUMERIC (value) >= 0) |
2488 | { | |
2489 | to[LFACE_WEIGHT_INDEX] = value; | |
2490 | font_clear_prop (to, FONT_WEIGHT_INDEX); | |
2491 | } | |
82641697 | 2492 | else |
a0a23346 | 2493 | err = 1; |
82641697 GM |
2494 | } |
2495 | else if (EQ (keyword, QCslant)) | |
2496 | { | |
2dee4c0b KH |
2497 | if (SYMBOLP (value) && FONT_SLANT_NAME_NUMERIC (value) >= 0) |
2498 | { | |
2499 | to[LFACE_SLANT_INDEX] = value; | |
2500 | font_clear_prop (to, FONT_SLANT_INDEX); | |
2501 | } | |
82641697 | 2502 | else |
a0a23346 | 2503 | err = 1; |
82641697 GM |
2504 | } |
2505 | else if (EQ (keyword, QCunderline)) | |
2506 | { | |
2507 | if (EQ (value, Qt) | |
2508 | || NILP (value) | |
2509 | || STRINGP (value)) | |
2510 | to[LFACE_UNDERLINE_INDEX] = value; | |
2511 | else | |
a0a23346 | 2512 | err = 1; |
82641697 GM |
2513 | } |
2514 | else if (EQ (keyword, QCoverline)) | |
2515 | { | |
2516 | if (EQ (value, Qt) | |
2517 | || NILP (value) | |
2518 | || STRINGP (value)) | |
2519 | to[LFACE_OVERLINE_INDEX] = value; | |
2520 | else | |
a0a23346 | 2521 | err = 1; |
82641697 GM |
2522 | } |
2523 | else if (EQ (keyword, QCstrike_through)) | |
2524 | { | |
2525 | if (EQ (value, Qt) | |
2526 | || NILP (value) | |
2527 | || STRINGP (value)) | |
2528 | to[LFACE_STRIKE_THROUGH_INDEX] = value; | |
2529 | else | |
a0a23346 | 2530 | err = 1; |
82641697 GM |
2531 | } |
2532 | else if (EQ (keyword, QCbox)) | |
2533 | { | |
2534 | if (EQ (value, Qt)) | |
2535 | value = make_number (1); | |
2536 | if (INTEGERP (value) | |
2537 | || STRINGP (value) | |
2538 | || CONSP (value) | |
2539 | || NILP (value)) | |
2540 | to[LFACE_BOX_INDEX] = value; | |
2541 | else | |
a0a23346 | 2542 | err = 1; |
82641697 GM |
2543 | } |
2544 | else if (EQ (keyword, QCinverse_video) | |
2545 | || EQ (keyword, QCreverse_video)) | |
2546 | { | |
2547 | if (EQ (value, Qt) || NILP (value)) | |
2548 | to[LFACE_INVERSE_INDEX] = value; | |
2549 | else | |
a0a23346 | 2550 | err = 1; |
82641697 GM |
2551 | } |
2552 | else if (EQ (keyword, QCforeground)) | |
2553 | { | |
2554 | if (STRINGP (value)) | |
2555 | to[LFACE_FOREGROUND_INDEX] = value; | |
2556 | else | |
a0a23346 | 2557 | err = 1; |
82641697 GM |
2558 | } |
2559 | else if (EQ (keyword, QCbackground)) | |
2560 | { | |
2561 | if (STRINGP (value)) | |
2562 | to[LFACE_BACKGROUND_INDEX] = value; | |
2563 | else | |
a0a23346 | 2564 | err = 1; |
82641697 GM |
2565 | } |
2566 | else if (EQ (keyword, QCstipple)) | |
2567 | { | |
edfda783 | 2568 | #if defined(HAVE_X_WINDOWS) || defined(HAVE_NS) |
fef04523 | 2569 | Lisp_Object pixmap_p = Fbitmap_spec_p (value); |
82641697 GM |
2570 | if (!NILP (pixmap_p)) |
2571 | to[LFACE_STIPPLE_INDEX] = value; | |
2572 | else | |
a0a23346 | 2573 | err = 1; |
82641697 GM |
2574 | #endif |
2575 | } | |
2576 | else if (EQ (keyword, QCwidth)) | |
2577 | { | |
2dee4c0b KH |
2578 | if (SYMBOLP (value) && FONT_WIDTH_NAME_NUMERIC (value) >= 0) |
2579 | { | |
2580 | to[LFACE_SWIDTH_INDEX] = value; | |
2581 | font_clear_prop (to, FONT_WIDTH_INDEX); | |
2582 | } | |
82641697 | 2583 | else |
a0a23346 | 2584 | err = 1; |
82641697 | 2585 | } |
2c20458f MB |
2586 | else if (EQ (keyword, QCinherit)) |
2587 | { | |
a0a23346 MB |
2588 | /* This is not really very useful; it's just like a |
2589 | normal face reference. */ | |
2590 | if (! merge_face_ref (f, value, to, | |
2591 | err_msgs, named_merge_points)) | |
2592 | err = 1; | |
2c20458f | 2593 | } |
82641697 | 2594 | else |
a0a23346 | 2595 | err = 1; |
82641697 | 2596 | |
a0a23346 MB |
2597 | if (err) |
2598 | { | |
2599 | add_to_log ("Invalid face attribute %S %S", keyword, value); | |
2600 | ok = 0; | |
2601 | } | |
82641697 | 2602 | |
a0a23346 | 2603 | face_ref = XCDR (XCDR (face_ref)); |
82641697 GM |
2604 | } |
2605 | } | |
2606 | else | |
2607 | { | |
a0a23346 MB |
2608 | /* This is a list of face refs. Those at the beginning of the |
2609 | list take precedence over what follows, so we have to merge | |
2610 | from the end backwards. */ | |
2611 | Lisp_Object next = XCDR (face_ref); | |
2612 | ||
2613 | if (! NILP (next)) | |
2614 | ok = merge_face_ref (f, next, to, err_msgs, named_merge_points); | |
2615 | ||
2616 | if (! merge_face_ref (f, first, to, err_msgs, named_merge_points)) | |
2617 | ok = 0; | |
82641697 GM |
2618 | } |
2619 | } | |
2620 | else | |
2621 | { | |
a0a23346 MB |
2622 | /* FACE_REF ought to be a face name. */ |
2623 | ok = merge_named_face (f, face_ref, to, named_merge_points); | |
2624 | if (!ok && err_msgs) | |
2625 | add_to_log ("Invalid face reference: %s", face_ref, Qnil); | |
82641697 | 2626 | } |
a0a23346 MB |
2627 | |
2628 | return ok; | |
82641697 GM |
2629 | } |
2630 | ||
2631 | ||
2632 | DEFUN ("internal-make-lisp-face", Finternal_make_lisp_face, | |
2633 | Sinternal_make_lisp_face, 1, 2, 0, | |
7ee72033 | 2634 | doc: /* Make FACE, a symbol, a Lisp face with all attributes nil. |
228299fa GM |
2635 | If FACE was not known as a face before, create a new one. |
2636 | If optional argument FRAME is specified, make a frame-local face | |
2637 | for that frame. Otherwise operate on the global face definition. | |
7ee72033 | 2638 | Value is a vector of face attributes. */) |
5842a27b | 2639 | (Lisp_Object face, Lisp_Object frame) |
82641697 GM |
2640 | { |
2641 | Lisp_Object global_lface, lface; | |
2642 | struct frame *f; | |
2643 | int i; | |
2644 | ||
b7826503 | 2645 | CHECK_SYMBOL (face); |
82641697 | 2646 | global_lface = lface_from_face_name (NULL, face, 0); |
178c5d9c | 2647 | |
82641697 GM |
2648 | if (!NILP (frame)) |
2649 | { | |
b7826503 | 2650 | CHECK_LIVE_FRAME (frame); |
82641697 GM |
2651 | f = XFRAME (frame); |
2652 | lface = lface_from_face_name (f, face, 0); | |
2653 | } | |
2654 | else | |
2655 | f = NULL, lface = Qnil; | |
2656 | ||
2657 | /* Add a global definition if there is none. */ | |
2658 | if (NILP (global_lface)) | |
2659 | { | |
2660 | global_lface = Fmake_vector (make_number (LFACE_VECTOR_SIZE), | |
2661 | Qunspecified); | |
dfae5f9a | 2662 | ASET (global_lface, 0, Qface); |
178c5d9c | 2663 | Vface_new_frame_defaults = Fcons (Fcons (face, global_lface), |
82641697 | 2664 | Vface_new_frame_defaults); |
178c5d9c | 2665 | |
82641697 GM |
2666 | /* Assign the new Lisp face a unique ID. The mapping from Lisp |
2667 | face id to Lisp face is given by the vector lface_id_to_name. | |
2668 | The mapping from Lisp face to Lisp face id is given by the | |
2669 | property `face' of the Lisp face name. */ | |
2670 | if (next_lface_id == lface_id_to_name_size) | |
2671 | { | |
2672 | int new_size = max (50, 2 * lface_id_to_name_size); | |
2673 | int sz = new_size * sizeof *lface_id_to_name; | |
2674 | lface_id_to_name = (Lisp_Object *) xrealloc (lface_id_to_name, sz); | |
2675 | lface_id_to_name_size = new_size; | |
2676 | } | |
178c5d9c | 2677 | |
82641697 GM |
2678 | lface_id_to_name[next_lface_id] = face; |
2679 | Fput (face, Qface, make_number (next_lface_id)); | |
2680 | ++next_lface_id; | |
2681 | } | |
2682 | else if (f == NULL) | |
2683 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
dfae5f9a | 2684 | ASET (global_lface, i, Qunspecified); |
178c5d9c | 2685 | |
82641697 GM |
2686 | /* Add a frame-local definition. */ |
2687 | if (f) | |
2688 | { | |
2689 | if (NILP (lface)) | |
2690 | { | |
2691 | lface = Fmake_vector (make_number (LFACE_VECTOR_SIZE), | |
2692 | Qunspecified); | |
dfae5f9a | 2693 | ASET (lface, 0, Qface); |
82641697 GM |
2694 | f->face_alist = Fcons (Fcons (face, lface), f->face_alist); |
2695 | } | |
2696 | else | |
2697 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
dfae5f9a | 2698 | ASET (lface, i, Qunspecified); |
82641697 GM |
2699 | } |
2700 | else | |
2701 | lface = global_lface; | |
2702 | ||
33565969 RS |
2703 | /* Changing a named face means that all realized faces depending on |
2704 | that face are invalid. Since we cannot tell which realized faces | |
2705 | depend on the face, make sure they are all removed. This is done | |
2706 | by incrementing face_change_count. The next call to | |
2707 | init_iterator will then free realized faces. */ | |
46b00436 KS |
2708 | if (NILP (Fget (face, Qface_no_inherit))) |
2709 | { | |
2710 | ++face_change_count; | |
2711 | ++windows_or_buffers_changed; | |
2712 | } | |
33565969 | 2713 | |
82641697 GM |
2714 | xassert (LFACEP (lface)); |
2715 | check_lface (lface); | |
2716 | return lface; | |
2717 | } | |
2718 | ||
2719 | ||
2720 | DEFUN ("internal-lisp-face-p", Finternal_lisp_face_p, | |
2721 | Sinternal_lisp_face_p, 1, 2, 0, | |
7ee72033 | 2722 | doc: /* Return non-nil if FACE names a face. |
b84ce3c5 | 2723 | FACE should be a symbol or string. |
1d256714 | 2724 | If optional second argument FRAME is non-nil, check for the |
228299fa | 2725 | existence of a frame-local face with name FACE on that frame. |
7ee72033 | 2726 | Otherwise check for the existence of a global face. */) |
5842a27b | 2727 | (Lisp_Object face, Lisp_Object frame) |
82641697 GM |
2728 | { |
2729 | Lisp_Object lface; | |
178c5d9c | 2730 | |
65fddb74 JB |
2731 | face = resolve_face_name (face, 1); |
2732 | ||
82641697 GM |
2733 | if (!NILP (frame)) |
2734 | { | |
b7826503 | 2735 | CHECK_LIVE_FRAME (frame); |
82641697 GM |
2736 | lface = lface_from_face_name (XFRAME (frame), face, 0); |
2737 | } | |
2738 | else | |
2739 | lface = lface_from_face_name (NULL, face, 0); | |
2740 | ||
2741 | return lface; | |
2742 | } | |
2743 | ||
2744 | ||
2745 | DEFUN ("internal-copy-lisp-face", Finternal_copy_lisp_face, | |
2746 | Sinternal_copy_lisp_face, 4, 4, 0, | |
7ee72033 | 2747 | doc: /* Copy face FROM to TO. |
5e9bab6f RS |
2748 | If FRAME is t, copy the global face definition of FROM. |
2749 | Otherwise, copy the frame-local definition of FROM on FRAME. | |
2750 | If NEW-FRAME is a frame, copy that data into the frame-local | |
d5ab09cd | 2751 | definition of TO on NEW-FRAME. If NEW-FRAME is nil, |
5e9bab6f | 2752 | FRAME controls where the data is copied to. |
228299fa | 2753 | |
5e9bab6f | 2754 | The value is TO. */) |
5842a27b | 2755 | (Lisp_Object from, Lisp_Object to, Lisp_Object frame, Lisp_Object new_frame) |
82641697 GM |
2756 | { |
2757 | Lisp_Object lface, copy; | |
178c5d9c | 2758 | |
b7826503 PJ |
2759 | CHECK_SYMBOL (from); |
2760 | CHECK_SYMBOL (to); | |
82641697 GM |
2761 | |
2762 | if (EQ (frame, Qt)) | |
2763 | { | |
2764 | /* Copy global definition of FROM. We don't make copies of | |
2765 | strings etc. because 20.2 didn't do it either. */ | |
2766 | lface = lface_from_face_name (NULL, from, 1); | |
2767 | copy = Finternal_make_lisp_face (to, Qnil); | |
2768 | } | |
2769 | else | |
2770 | { | |
2771 | /* Copy frame-local definition of FROM. */ | |
5e9bab6f RS |
2772 | if (NILP (new_frame)) |
2773 | new_frame = frame; | |
b7826503 PJ |
2774 | CHECK_LIVE_FRAME (frame); |
2775 | CHECK_LIVE_FRAME (new_frame); | |
82641697 GM |
2776 | lface = lface_from_face_name (XFRAME (frame), from, 1); |
2777 | copy = Finternal_make_lisp_face (to, new_frame); | |
2778 | } | |
178c5d9c | 2779 | |
72af86bd AS |
2780 | memcpy (XVECTOR (copy)->contents, XVECTOR (lface)->contents, |
2781 | LFACE_VECTOR_SIZE * sizeof (Lisp_Object)); | |
178c5d9c | 2782 | |
33565969 RS |
2783 | /* Changing a named face means that all realized faces depending on |
2784 | that face are invalid. Since we cannot tell which realized faces | |
2785 | depend on the face, make sure they are all removed. This is done | |
2786 | by incrementing face_change_count. The next call to | |
2787 | init_iterator will then free realized faces. */ | |
46b00436 KS |
2788 | if (NILP (Fget (to, Qface_no_inherit))) |
2789 | { | |
2790 | ++face_change_count; | |
2791 | ++windows_or_buffers_changed; | |
2792 | } | |
33565969 | 2793 | |
82641697 GM |
2794 | return to; |
2795 | } | |
2796 | ||
2797 | ||
2798 | DEFUN ("internal-set-lisp-face-attribute", Finternal_set_lisp_face_attribute, | |
2799 | Sinternal_set_lisp_face_attribute, 3, 4, 0, | |
7ee72033 | 2800 | doc: /* Set attribute ATTR of FACE to VALUE. |
228299fa GM |
2801 | FRAME being a frame means change the face on that frame. |
2802 | FRAME nil means change the face of the selected frame. | |
2803 | FRAME t means change the default for new frames. | |
2804 | FRAME 0 means change the face on all frames, and change the default | |
7ee72033 | 2805 | for new frames. */) |
5842a27b | 2806 | (Lisp_Object face, Lisp_Object attr, Lisp_Object value, Lisp_Object frame) |
82641697 GM |
2807 | { |
2808 | Lisp_Object lface; | |
2809 | Lisp_Object old_value = Qnil; | |
2dee4c0b KH |
2810 | /* Set one of enum font_property_index (> 0) if ATTR is one of |
2811 | font-related attributes other than QCfont and QCfontset. */ | |
2812 | enum font_property_index prop_index = 0; | |
178c5d9c | 2813 | |
b7826503 PJ |
2814 | CHECK_SYMBOL (face); |
2815 | CHECK_SYMBOL (attr); | |
82641697 | 2816 | |
d1bf13b3 | 2817 | face = resolve_face_name (face, 1); |
c7ae3284 | 2818 | |
628436fb GM |
2819 | /* If FRAME is 0, change face on all frames, and change the |
2820 | default for new frames. */ | |
2821 | if (INTEGERP (frame) && XINT (frame) == 0) | |
2822 | { | |
2823 | Lisp_Object tail; | |
d12d0a9b | 2824 | Finternal_set_lisp_face_attribute (face, attr, value, Qt); |
628436fb GM |
2825 | FOR_EACH_FRAME (tail, frame) |
2826 | Finternal_set_lisp_face_attribute (face, attr, value, frame); | |
d12d0a9b | 2827 | return face; |
628436fb GM |
2828 | } |
2829 | ||
82641697 GM |
2830 | /* Set lface to the Lisp attribute vector of FACE. */ |
2831 | if (EQ (frame, Qt)) | |
0268cef3 CY |
2832 | { |
2833 | lface = lface_from_face_name (NULL, face, 1); | |
67d23e01 CY |
2834 | |
2835 | /* When updating face-new-frame-defaults, we put :ignore-defface | |
2836 | where the caller wants `unspecified'. This forces the frame | |
2837 | defaults to ignore the defface value. Otherwise, the defface | |
2838 | will take effect, which is generally not what is intended. | |
2839 | The value of that attribute will be inherited from some other | |
2840 | face during face merging. See internal_merge_in_global_face. */ | |
0268cef3 | 2841 | if (UNSPECIFIEDP (value)) |
67d23e01 | 2842 | value = Qignore_defface; |
0268cef3 | 2843 | } |
82641697 GM |
2844 | else |
2845 | { | |
2846 | if (NILP (frame)) | |
c0617987 | 2847 | frame = selected_frame; |
178c5d9c | 2848 | |
b7826503 | 2849 | CHECK_LIVE_FRAME (frame); |
82641697 | 2850 | lface = lface_from_face_name (XFRAME (frame), face, 0); |
178c5d9c | 2851 | |
82641697 GM |
2852 | /* If a frame-local face doesn't exist yet, create one. */ |
2853 | if (NILP (lface)) | |
2854 | lface = Finternal_make_lisp_face (face, frame); | |
2855 | } | |
2856 | ||
2857 | if (EQ (attr, QCfamily)) | |
2858 | { | |
2ff10663 | 2859 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 | 2860 | { |
b7826503 | 2861 | CHECK_STRING (value); |
d5db4077 | 2862 | if (SCHARS (value) == 0) |
82641697 GM |
2863 | signal_error ("Invalid face family", value); |
2864 | } | |
2865 | old_value = LFACE_FAMILY (lface); | |
2866 | LFACE_FAMILY (lface) = value; | |
2dee4c0b | 2867 | prop_index = FONT_FAMILY_INDEX; |
82641697 | 2868 | } |
53aaf1e2 KH |
2869 | else if (EQ (attr, QCfoundry)) |
2870 | { | |
2871 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) | |
2872 | { | |
2873 | CHECK_STRING (value); | |
2874 | if (SCHARS (value) == 0) | |
2875 | signal_error ("Invalid face foundry", value); | |
2876 | } | |
2877 | old_value = LFACE_FOUNDRY (lface); | |
2878 | LFACE_FOUNDRY (lface) = value; | |
2879 | prop_index = FONT_FOUNDRY_INDEX; | |
2880 | } | |
82641697 GM |
2881 | else if (EQ (attr, QCheight)) |
2882 | { | |
2ff10663 | 2883 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 | 2884 | { |
e66d5363 CY |
2885 | if (EQ (face, Qdefault)) |
2886 | { | |
2887 | /* The default face must have an absolute size. */ | |
2888 | if (!INTEGERP (value) || XINT (value) <= 0) | |
95838641 | 2889 | signal_error ("Default face height not absolute and positive", value); |
e66d5363 CY |
2890 | } |
2891 | else | |
2892 | { | |
2893 | /* For non-default faces, do a test merge with a random | |
2894 | height to see if VALUE's ok. */ | |
2895 | Lisp_Object test = merge_face_heights (value, | |
2896 | make_number (10), | |
2897 | Qnil); | |
2898 | if (!INTEGERP (test) || XINT (test) <= 0) | |
95838641 | 2899 | signal_error ("Face height does not produce a positive integer", value); |
e66d5363 | 2900 | } |
82641697 | 2901 | } |
2c20458f | 2902 | |
82641697 GM |
2903 | old_value = LFACE_HEIGHT (lface); |
2904 | LFACE_HEIGHT (lface) = value; | |
2dee4c0b | 2905 | prop_index = FONT_SIZE_INDEX; |
82641697 GM |
2906 | } |
2907 | else if (EQ (attr, QCweight)) | |
2908 | { | |
2ff10663 | 2909 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 | 2910 | { |
b7826503 | 2911 | CHECK_SYMBOL (value); |
2dee4c0b | 2912 | if (FONT_WEIGHT_NAME_NUMERIC (value) < 0) |
82641697 GM |
2913 | signal_error ("Invalid face weight", value); |
2914 | } | |
2915 | old_value = LFACE_WEIGHT (lface); | |
2916 | LFACE_WEIGHT (lface) = value; | |
2dee4c0b | 2917 | prop_index = FONT_WEIGHT_INDEX; |
82641697 GM |
2918 | } |
2919 | else if (EQ (attr, QCslant)) | |
2920 | { | |
2ff10663 | 2921 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 | 2922 | { |
b7826503 | 2923 | CHECK_SYMBOL (value); |
2dee4c0b | 2924 | if (FONT_SLANT_NAME_NUMERIC (value) < 0) |
82641697 GM |
2925 | signal_error ("Invalid face slant", value); |
2926 | } | |
2927 | old_value = LFACE_SLANT (lface); | |
2928 | LFACE_SLANT (lface) = value; | |
2dee4c0b | 2929 | prop_index = FONT_SLANT_INDEX; |
82641697 GM |
2930 | } |
2931 | else if (EQ (attr, QCunderline)) | |
2932 | { | |
2ff10663 | 2933 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 GM |
2934 | if ((SYMBOLP (value) |
2935 | && !EQ (value, Qt) | |
2936 | && !EQ (value, Qnil)) | |
2937 | /* Underline color. */ | |
2938 | || (STRINGP (value) | |
d5db4077 | 2939 | && SCHARS (value) == 0)) |
82641697 | 2940 | signal_error ("Invalid face underline", value); |
178c5d9c | 2941 | |
82641697 GM |
2942 | old_value = LFACE_UNDERLINE (lface); |
2943 | LFACE_UNDERLINE (lface) = value; | |
2944 | } | |
2945 | else if (EQ (attr, QCoverline)) | |
2946 | { | |
2ff10663 | 2947 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 GM |
2948 | if ((SYMBOLP (value) |
2949 | && !EQ (value, Qt) | |
2950 | && !EQ (value, Qnil)) | |
2951 | /* Overline color. */ | |
2952 | || (STRINGP (value) | |
d5db4077 | 2953 | && SCHARS (value) == 0)) |
82641697 | 2954 | signal_error ("Invalid face overline", value); |
178c5d9c | 2955 | |
82641697 GM |
2956 | old_value = LFACE_OVERLINE (lface); |
2957 | LFACE_OVERLINE (lface) = value; | |
2958 | } | |
2959 | else if (EQ (attr, QCstrike_through)) | |
2960 | { | |
2ff10663 | 2961 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 GM |
2962 | if ((SYMBOLP (value) |
2963 | && !EQ (value, Qt) | |
2964 | && !EQ (value, Qnil)) | |
2965 | /* Strike-through color. */ | |
2966 | || (STRINGP (value) | |
d5db4077 | 2967 | && SCHARS (value) == 0)) |
82641697 | 2968 | signal_error ("Invalid face strike-through", value); |
178c5d9c | 2969 | |
82641697 GM |
2970 | old_value = LFACE_STRIKE_THROUGH (lface); |
2971 | LFACE_STRIKE_THROUGH (lface) = value; | |
2972 | } | |
2973 | else if (EQ (attr, QCbox)) | |
2974 | { | |
2975 | int valid_p; | |
178c5d9c | 2976 | |
82641697 GM |
2977 | /* Allow t meaning a simple box of width 1 in foreground color |
2978 | of the face. */ | |
2979 | if (EQ (value, Qt)) | |
2980 | value = make_number (1); | |
2981 | ||
2ff10663 | 2982 | if (UNSPECIFIEDP (value) || IGNORE_DEFFACE_P (value)) |
82641697 GM |
2983 | valid_p = 1; |
2984 | else if (NILP (value)) | |
2985 | valid_p = 1; | |
2986 | else if (INTEGERP (value)) | |
89624b8b | 2987 | valid_p = XINT (value) != 0; |
82641697 | 2988 | else if (STRINGP (value)) |
d5db4077 | 2989 | valid_p = SCHARS (value) > 0; |
82641697 GM |
2990 | else if (CONSP (value)) |
2991 | { | |
2992 | Lisp_Object tem; | |
178c5d9c | 2993 | |
82641697 GM |
2994 | tem = value; |
2995 | while (CONSP (tem)) | |
2996 | { | |
2997 | Lisp_Object k, v; | |
2998 | ||
2999 | k = XCAR (tem); | |
3000 | tem = XCDR (tem); | |
3001 | if (!CONSP (tem)) | |
3002 | break; | |
3003 | v = XCAR (tem); | |
3004 | tem = XCDR (tem); | |
178c5d9c | 3005 | |
82641697 GM |
3006 | if (EQ (k, QCline_width)) |
3007 | { | |
89624b8b | 3008 | if (!INTEGERP (v) || XINT (v) == 0) |
82641697 GM |
3009 | break; |
3010 | } | |
3011 | else if (EQ (k, QCcolor)) | |
3012 | { | |
91c212f1 | 3013 | if (!NILP (v) && (!STRINGP (v) || SCHARS (v) == 0)) |
82641697 GM |
3014 | break; |
3015 | } | |
3016 | else if (EQ (k, QCstyle)) | |
3017 | { | |
3018 | if (!EQ (v, Qpressed_button) && !EQ (v, Qreleased_button)) | |
3019 | break; | |
3020 | } | |
3021 | else | |
3022 | break; | |
3023 | } | |
3024 | ||
3025 | valid_p = NILP (tem); | |
3026 | } | |
3027 | else | |
3028 | valid_p = 0; | |
3029 | ||
3030 | if (!valid_p) | |
3031 | signal_error ("Invalid face box", value); | |
178c5d9c | 3032 | |
82641697 GM |
3033 | old_value = LFACE_BOX (lface); |
3034 | LFACE_BOX (lface) = value; | |
3035 | } | |
3036 | else if (EQ (attr, QCinverse_video) | |
3037 | || EQ (attr, QCreverse_video)) | |
3038 | { | |
2ff10663 | 3039 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 | 3040 | { |
b7826503 | 3041 | CHECK_SYMBOL (value); |
82641697 GM |
3042 | if (!EQ (value, Qt) && !NILP (value)) |
3043 | signal_error ("Invalid inverse-video face attribute value", value); | |
3044 | } | |
3045 | old_value = LFACE_INVERSE (lface); | |
3046 | LFACE_INVERSE (lface) = value; | |
3047 | } | |
3048 | else if (EQ (attr, QCforeground)) | |
3049 | { | |
ca6888b6 CY |
3050 | /* Compatibility with 20.x. */ |
3051 | if (NILP (value)) | |
3052 | value = Qunspecified; | |
2ff10663 | 3053 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 GM |
3054 | { |
3055 | /* Don't check for valid color names here because it depends | |
3056 | on the frame (display) whether the color will be valid | |
3057 | when the face is realized. */ | |
b7826503 | 3058 | CHECK_STRING (value); |
d5db4077 | 3059 | if (SCHARS (value) == 0) |
82641697 GM |
3060 | signal_error ("Empty foreground color value", value); |
3061 | } | |
3062 | old_value = LFACE_FOREGROUND (lface); | |
3063 | LFACE_FOREGROUND (lface) = value; | |
3064 | } | |
3065 | else if (EQ (attr, QCbackground)) | |
3066 | { | |
ca6888b6 CY |
3067 | /* Compatibility with 20.x. */ |
3068 | if (NILP (value)) | |
3069 | value = Qunspecified; | |
2ff10663 | 3070 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 GM |
3071 | { |
3072 | /* Don't check for valid color names here because it depends | |
3073 | on the frame (display) whether the color will be valid | |
3074 | when the face is realized. */ | |
b7826503 | 3075 | CHECK_STRING (value); |
d5db4077 | 3076 | if (SCHARS (value) == 0) |
82641697 GM |
3077 | signal_error ("Empty background color value", value); |
3078 | } | |
3079 | old_value = LFACE_BACKGROUND (lface); | |
3080 | LFACE_BACKGROUND (lface) = value; | |
3081 | } | |
3082 | else if (EQ (attr, QCstipple)) | |
3083 | { | |
edfda783 | 3084 | #if defined(HAVE_X_WINDOWS) || defined(HAVE_NS) |
2ff10663 | 3085 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value) |
82641697 | 3086 | && !NILP (value) |
fef04523 | 3087 | && NILP (Fbitmap_spec_p (value))) |
82641697 GM |
3088 | signal_error ("Invalid stipple attribute", value); |
3089 | old_value = LFACE_STIPPLE (lface); | |
3090 | LFACE_STIPPLE (lface) = value; | |
edfda783 | 3091 | #endif /* HAVE_X_WINDOWS || HAVE_NS */ |
82641697 GM |
3092 | } |
3093 | else if (EQ (attr, QCwidth)) | |
3094 | { | |
2ff10663 | 3095 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 | 3096 | { |
b7826503 | 3097 | CHECK_SYMBOL (value); |
2dee4c0b | 3098 | if (FONT_WIDTH_NAME_NUMERIC (value) < 0) |
82641697 GM |
3099 | signal_error ("Invalid face width", value); |
3100 | } | |
3101 | old_value = LFACE_SWIDTH (lface); | |
3102 | LFACE_SWIDTH (lface) = value; | |
2dee4c0b | 3103 | prop_index = FONT_WIDTH_INDEX; |
82641697 | 3104 | } |
2dee4c0b | 3105 | else if (EQ (attr, QCfont)) |
82641697 | 3106 | { |
c3cee013 | 3107 | #ifdef HAVE_WINDOW_SYSTEM |
3d90c96c | 3108 | if (EQ (frame, Qt) || FRAME_WINDOW_P (XFRAME (frame))) |
96fbd2c6 | 3109 | { |
2dee4c0b | 3110 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
f4d3bea3 | 3111 | { |
2dee4c0b KH |
3112 | FRAME_PTR f; |
3113 | ||
3114 | old_value = LFACE_FONT (lface); | |
3115 | if (! FONTP (value)) | |
f4d3bea3 | 3116 | { |
2dee4c0b KH |
3117 | if (STRINGP (value)) |
3118 | { | |
21bdb81a CY |
3119 | Lisp_Object name = value; |
3120 | int fontset = fs_query_fontset (name, 0); | |
2dee4c0b KH |
3121 | |
3122 | if (fontset >= 0) | |
21bdb81a CY |
3123 | name = fontset_ascii (fontset); |
3124 | value = font_spec_from_name (name); | |
3125 | if (!FONTP (value)) | |
3126 | signal_error ("Invalid font name", name); | |
2dee4c0b KH |
3127 | } |
3128 | else | |
3129 | signal_error ("Invalid font or font-spec", value); | |
f4d3bea3 | 3130 | } |
2dee4c0b KH |
3131 | if (EQ (frame, Qt)) |
3132 | f = XFRAME (selected_frame); | |
f4d3bea3 | 3133 | else |
2dee4c0b KH |
3134 | f = XFRAME (frame); |
3135 | if (! FONT_OBJECT_P (value)) | |
f4d3bea3 | 3136 | { |
2dee4c0b | 3137 | Lisp_Object *attrs = XVECTOR (lface)->contents; |
f4d3bea3 KH |
3138 | Lisp_Object font_object; |
3139 | ||
2dee4c0b | 3140 | font_object = font_load_for_lface (f, attrs, value); |
db1c10a2 | 3141 | if (NILP (font_object)) |
2dee4c0b KH |
3142 | signal_error ("Font not available", value); |
3143 | value = font_object; | |
f4d3bea3 | 3144 | } |
2dee4c0b | 3145 | set_lface_from_font (f, lface, value, 1); |
f4d3bea3 KH |
3146 | } |
3147 | else | |
2dee4c0b KH |
3148 | LFACE_FONT (lface) = value; |
3149 | } | |
3150 | #endif /* HAVE_WINDOW_SYSTEM */ | |
3151 | } | |
3152 | else if (EQ (attr, QCfontset)) | |
3153 | { | |
3154 | #ifdef HAVE_WINDOW_SYSTEM | |
3155 | if (EQ (frame, Qt) || FRAME_WINDOW_P (XFRAME (frame))) | |
3156 | { | |
3157 | Lisp_Object tmp; | |
39506348 | 3158 | |
2dee4c0b KH |
3159 | old_value = LFACE_FONTSET (lface); |
3160 | tmp = Fquery_fontset (value, Qnil); | |
3161 | if (NILP (tmp)) | |
3162 | signal_error ("Invalid fontset name", value); | |
3163 | LFACE_FONTSET (lface) = value = tmp; | |
96fbd2c6 | 3164 | } |
c3cee013 | 3165 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 | 3166 | } |
2c20458f MB |
3167 | else if (EQ (attr, QCinherit)) |
3168 | { | |
3169 | Lisp_Object tail; | |
3170 | if (SYMBOLP (value)) | |
3171 | tail = Qnil; | |
3172 | else | |
3173 | for (tail = value; CONSP (tail); tail = XCDR (tail)) | |
3174 | if (!SYMBOLP (XCAR (tail))) | |
3175 | break; | |
3176 | if (NILP (tail)) | |
3177 | LFACE_INHERIT (lface) = value; | |
3178 | else | |
6288c62f | 3179 | signal_error ("Invalid face inheritance", value); |
2c20458f | 3180 | } |
82641697 GM |
3181 | else if (EQ (attr, QCbold)) |
3182 | { | |
3183 | old_value = LFACE_WEIGHT (lface); | |
3184 | LFACE_WEIGHT (lface) = NILP (value) ? Qnormal : Qbold; | |
2dee4c0b | 3185 | prop_index = FONT_WEIGHT_INDEX; |
82641697 GM |
3186 | } |
3187 | else if (EQ (attr, QCitalic)) | |
3188 | { | |
2dee4c0b | 3189 | attr = QCslant; |
82641697 GM |
3190 | old_value = LFACE_SLANT (lface); |
3191 | LFACE_SLANT (lface) = NILP (value) ? Qnormal : Qitalic; | |
2dee4c0b | 3192 | prop_index = FONT_SLANT_INDEX; |
82641697 GM |
3193 | } |
3194 | else | |
3195 | signal_error ("Invalid face attribute name", attr); | |
3196 | ||
2dee4c0b | 3197 | if (prop_index) |
e69a00b7 CY |
3198 | { |
3199 | /* If a font-related attribute other than QCfont and QCfontset | |
3200 | is specified, and if the original QCfont attribute has a font | |
3201 | (font-spec or font-object), set the corresponding property in | |
3202 | the font to nil so that the font selector doesn't think that | |
3203 | the attribute is mandatory. Also, clear the average | |
3204 | width. */ | |
3205 | font_clear_prop (XVECTOR (lface)->contents, prop_index); | |
e69a00b7 | 3206 | } |
39506348 | 3207 | |
82641697 GM |
3208 | /* Changing a named face means that all realized faces depending on |
3209 | that face are invalid. Since we cannot tell which realized faces | |
3210 | depend on the face, make sure they are all removed. This is done | |
3211 | by incrementing face_change_count. The next call to | |
3212 | init_iterator will then free realized faces. */ | |
3213 | if (!EQ (frame, Qt) | |
46b00436 | 3214 | && NILP (Fget (face, Qface_no_inherit)) |
2dee4c0b | 3215 | && NILP (Fequal (old_value, value))) |
82641697 GM |
3216 | { |
3217 | ++face_change_count; | |
3218 | ++windows_or_buffers_changed; | |
3219 | } | |
3220 | ||
2ff10663 | 3221 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value) |
82641697 | 3222 | && NILP (Fequal (old_value, value))) |
8bd201d6 GM |
3223 | { |
3224 | Lisp_Object param; | |
3225 | ||
3226 | param = Qnil; | |
178c5d9c | 3227 | |
8bd201d6 GM |
3228 | if (EQ (face, Qdefault)) |
3229 | { | |
b9c769f8 | 3230 | #ifdef HAVE_WINDOW_SYSTEM |
8bd201d6 GM |
3231 | /* Changed font-related attributes of the `default' face are |
3232 | reflected in changed `font' frame parameters. */ | |
ceeda019 | 3233 | if (FRAMEP (frame) |
2dee4c0b | 3234 | && (prop_index || EQ (attr, QCfont)) |
8bd201d6 GM |
3235 | && lface_fully_specified_p (XVECTOR (lface)->contents)) |
3236 | set_font_frame_param (frame, lface); | |
b9c769f8 EZ |
3237 | else |
3238 | #endif /* HAVE_WINDOW_SYSTEM */ | |
3239 | ||
3240 | if (EQ (attr, QCforeground)) | |
8bd201d6 GM |
3241 | param = Qforeground_color; |
3242 | else if (EQ (attr, QCbackground)) | |
3243 | param = Qbackground_color; | |
3244 | } | |
b9c769f8 | 3245 | #ifdef HAVE_WINDOW_SYSTEM |
c3cee013 | 3246 | #ifndef WINDOWSNT |
8bd201d6 GM |
3247 | else if (EQ (face, Qscroll_bar)) |
3248 | { | |
3249 | /* Changing the colors of `scroll-bar' sets frame parameters | |
3250 | `scroll-bar-foreground' and `scroll-bar-background'. */ | |
3251 | if (EQ (attr, QCforeground)) | |
3252 | param = Qscroll_bar_foreground; | |
3253 | else if (EQ (attr, QCbackground)) | |
3254 | param = Qscroll_bar_background; | |
3255 | } | |
d12d0a9b | 3256 | #endif /* not WINDOWSNT */ |
8bd201d6 GM |
3257 | else if (EQ (face, Qborder)) |
3258 | { | |
3259 | /* Changing background color of `border' sets frame parameter | |
3260 | `border-color'. */ | |
3261 | if (EQ (attr, QCbackground)) | |
3262 | param = Qborder_color; | |
3263 | } | |
3264 | else if (EQ (face, Qcursor)) | |
3265 | { | |
3266 | /* Changing background color of `cursor' sets frame parameter | |
3267 | `cursor-color'. */ | |
3268 | if (EQ (attr, QCbackground)) | |
3269 | param = Qcursor_color; | |
3270 | } | |
3271 | else if (EQ (face, Qmouse)) | |
3272 | { | |
3273 | /* Changing background color of `mouse' sets frame parameter | |
3274 | `mouse-color'. */ | |
3275 | if (EQ (attr, QCbackground)) | |
3276 | param = Qmouse_color; | |
3277 | } | |
b9c769f8 | 3278 | #endif /* HAVE_WINDOW_SYSTEM */ |
563f68f1 | 3279 | else if (EQ (face, Qmenu)) |
ceeda019 GM |
3280 | { |
3281 | /* Indicate that we have to update the menu bar when | |
3282 | realizing faces on FRAME. FRAME t change the | |
3283 | default for new frames. We do this by setting | |
3284 | setting the flag in new face caches */ | |
3285 | if (FRAMEP (frame)) | |
3286 | { | |
3287 | struct frame *f = XFRAME (frame); | |
3288 | if (FRAME_FACE_CACHE (f) == NULL) | |
3289 | FRAME_FACE_CACHE (f) = make_face_cache (f); | |
3290 | FRAME_FACE_CACHE (f)->menu_face_changed_p = 1; | |
3291 | } | |
3292 | else | |
3293 | menu_face_changed_default = 1; | |
3294 | } | |
8bd201d6 | 3295 | |
39506348 | 3296 | if (!NILP (param)) |
ab8469eb PJ |
3297 | { |
3298 | if (EQ (frame, Qt)) | |
3299 | /* Update `default-frame-alist', which is used for new frames. */ | |
3300 | { | |
3301 | store_in_alist (&Vdefault_frame_alist, param, value); | |
3302 | } | |
3303 | else | |
3304 | /* Update the current frame's parameters. */ | |
3305 | { | |
3306 | Lisp_Object cons; | |
3307 | cons = XCAR (Vparam_value_alist); | |
3308 | XSETCAR (cons, param); | |
3309 | XSETCDR (cons, value); | |
3310 | Fmodify_frame_parameters (frame, Vparam_value_alist); | |
3311 | } | |
3312 | } | |
8bd201d6 | 3313 | } |
82641697 | 3314 | |
82641697 GM |
3315 | return face; |
3316 | } | |
3317 | ||
3318 | ||
8bd201d6 GM |
3319 | /* Update the corresponding face when frame parameter PARAM on frame F |
3320 | has been assigned the value NEW_VALUE. */ | |
3321 | ||
3322 | void | |
971de7fb | 3323 | update_face_from_frame_parameter (struct frame *f, Lisp_Object param, Lisp_Object new_value) |
8bd201d6 | 3324 | { |
46b00436 | 3325 | Lisp_Object face = Qnil; |
8bd201d6 GM |
3326 | Lisp_Object lface; |
3327 | ||
3328 | /* If there are no faces yet, give up. This is the case when called | |
3329 | from Fx_create_frame, and we do the necessary things later in | |
92610620 | 3330 | face-set-after-frame-defaults. */ |
8bd201d6 GM |
3331 | if (NILP (f->face_alist)) |
3332 | return; | |
178c5d9c | 3333 | |
8bd201d6 GM |
3334 | if (EQ (param, Qforeground_color)) |
3335 | { | |
46b00436 KS |
3336 | face = Qdefault; |
3337 | lface = lface_from_face_name (f, face, 1); | |
8bd201d6 GM |
3338 | LFACE_FOREGROUND (lface) = (STRINGP (new_value) |
3339 | ? new_value : Qunspecified); | |
3340 | realize_basic_faces (f); | |
3341 | } | |
3342 | else if (EQ (param, Qbackground_color)) | |
3343 | { | |
92610620 GM |
3344 | Lisp_Object frame; |
3345 | ||
3346 | /* Changing the background color might change the background | |
c20577bc | 3347 | mode, so that we have to load new defface specs. |
f2cec7a9 | 3348 | Call frame-update-face-colors to do that. */ |
92610620 | 3349 | XSETFRAME (frame, f); |
c20577bc | 3350 | call1 (Qframe_set_background_mode, frame); |
178c5d9c | 3351 | |
46b00436 KS |
3352 | face = Qdefault; |
3353 | lface = lface_from_face_name (f, face, 1); | |
8bd201d6 GM |
3354 | LFACE_BACKGROUND (lface) = (STRINGP (new_value) |
3355 | ? new_value : Qunspecified); | |
3356 | realize_basic_faces (f); | |
3357 | } | |
76ea4cc9 | 3358 | #ifdef HAVE_WINDOW_SYSTEM |
46b00436 | 3359 | else if (EQ (param, Qborder_color)) |
8bd201d6 | 3360 | { |
46b00436 KS |
3361 | face = Qborder; |
3362 | lface = lface_from_face_name (f, face, 1); | |
8bd201d6 GM |
3363 | LFACE_BACKGROUND (lface) = (STRINGP (new_value) |
3364 | ? new_value : Qunspecified); | |
3365 | } | |
3366 | else if (EQ (param, Qcursor_color)) | |
3367 | { | |
46b00436 KS |
3368 | face = Qcursor; |
3369 | lface = lface_from_face_name (f, face, 1); | |
8bd201d6 GM |
3370 | LFACE_BACKGROUND (lface) = (STRINGP (new_value) |
3371 | ? new_value : Qunspecified); | |
3372 | } | |
3373 | else if (EQ (param, Qmouse_color)) | |
3374 | { | |
46b00436 KS |
3375 | face = Qmouse; |
3376 | lface = lface_from_face_name (f, face, 1); | |
8bd201d6 GM |
3377 | LFACE_BACKGROUND (lface) = (STRINGP (new_value) |
3378 | ? new_value : Qunspecified); | |
3379 | } | |
76ea4cc9 | 3380 | #endif |
46b00436 KS |
3381 | |
3382 | /* Changing a named face means that all realized faces depending on | |
3383 | that face are invalid. Since we cannot tell which realized faces | |
3384 | depend on the face, make sure they are all removed. This is done | |
3385 | by incrementing face_change_count. The next call to | |
3386 | init_iterator will then free realized faces. */ | |
3387 | if (!NILP (face) | |
3388 | && NILP (Fget (face, Qface_no_inherit))) | |
3389 | { | |
3390 | ++face_change_count; | |
3391 | ++windows_or_buffers_changed; | |
3392 | } | |
8bd201d6 GM |
3393 | } |
3394 | ||
3395 | ||
76ea4cc9 EZ |
3396 | #ifdef HAVE_WINDOW_SYSTEM |
3397 | ||
3398 | /* Set the `font' frame parameter of FRAME determined from the | |
3399 | font-object set in `default' face attributes LFACE. */ | |
3400 | ||
3401 | static void | |
971de7fb | 3402 | set_font_frame_param (Lisp_Object frame, Lisp_Object lface) |
76ea4cc9 EZ |
3403 | { |
3404 | struct frame *f = XFRAME (frame); | |
3405 | Lisp_Object font; | |
3406 | ||
3407 | if (FRAME_WINDOW_P (f) | |
3408 | /* Don't do anything if the font is `unspecified'. This can | |
3409 | happen during frame creation. */ | |
3410 | && (font = LFACE_FONT (lface), | |
3411 | ! UNSPECIFIEDP (font))) | |
3412 | { | |
3413 | if (FONT_SPEC_P (font)) | |
3414 | { | |
3415 | font = font_load_for_lface (f, XVECTOR (lface)->contents, font); | |
3416 | if (NILP (font)) | |
3417 | return; | |
3418 | LFACE_FONT (lface) = font; | |
3419 | } | |
3420 | f->default_face_done_p = 0; | |
3421 | Fmodify_frame_parameters (frame, Fcons (Fcons (Qfont, font), Qnil)); | |
3422 | } | |
3423 | } | |
3424 | ||
3425 | ||
82641697 GM |
3426 | /* Get the value of X resource RESOURCE, class CLASS for the display |
3427 | of frame FRAME. This is here because ordinary `x-get-resource' | |
3428 | doesn't take a frame argument. */ | |
3429 | ||
3430 | DEFUN ("internal-face-x-get-resource", Finternal_face_x_get_resource, | |
7ee72033 | 3431 | Sinternal_face_x_get_resource, 3, 3, 0, doc: /* */) |
5842a27b | 3432 | (Lisp_Object resource, Lisp_Object class, Lisp_Object frame) |
82641697 | 3433 | { |
c3cee013 | 3434 | Lisp_Object value = Qnil; |
b7826503 PJ |
3435 | CHECK_STRING (resource); |
3436 | CHECK_STRING (class); | |
3437 | CHECK_LIVE_FRAME (frame); | |
82641697 GM |
3438 | BLOCK_INPUT; |
3439 | value = display_x_get_resource (FRAME_X_DISPLAY_INFO (XFRAME (frame)), | |
3440 | resource, class, Qnil, Qnil); | |
3441 | UNBLOCK_INPUT; | |
3442 | return value; | |
3443 | } | |
3444 | ||
3445 | ||
3446 | /* Return resource string VALUE as a boolean value, i.e. nil, or t. | |
3447 | If VALUE is "on" or "true", return t. If VALUE is "off" or | |
3448 | "false", return nil. Otherwise, if SIGNAL_P is non-zero, signal an | |
3449 | error; if SIGNAL_P is zero, return 0. */ | |
178c5d9c | 3450 | |
82641697 | 3451 | static Lisp_Object |
971de7fb | 3452 | face_boolean_x_resource_value (Lisp_Object value, int signal_p) |
82641697 GM |
3453 | { |
3454 | Lisp_Object result = make_number (0); | |
3455 | ||
3456 | xassert (STRINGP (value)); | |
178c5d9c | 3457 | |
25a48bd0 PE |
3458 | if (xstrcasecmp (SSDATA (value), "on") == 0 |
3459 | || xstrcasecmp (SSDATA (value), "true") == 0) | |
82641697 | 3460 | result = Qt; |
25a48bd0 PE |
3461 | else if (xstrcasecmp (SSDATA (value), "off") == 0 |
3462 | || xstrcasecmp (SSDATA (value), "false") == 0) | |
82641697 | 3463 | result = Qnil; |
25a48bd0 | 3464 | else if (xstrcasecmp (SSDATA (value), "unspecified") == 0) |
82641697 GM |
3465 | result = Qunspecified; |
3466 | else if (signal_p) | |
3467 | signal_error ("Invalid face attribute value from X resource", value); | |
3468 | ||
3469 | return result; | |
3470 | } | |
3471 | ||
3472 | ||
3473 | DEFUN ("internal-set-lisp-face-attribute-from-resource", | |
3474 | Finternal_set_lisp_face_attribute_from_resource, | |
3475 | Sinternal_set_lisp_face_attribute_from_resource, | |
7ee72033 | 3476 | 3, 4, 0, doc: /* */) |
5842a27b | 3477 | (Lisp_Object face, Lisp_Object attr, Lisp_Object value, Lisp_Object frame) |
82641697 | 3478 | { |
b7826503 PJ |
3479 | CHECK_SYMBOL (face); |
3480 | CHECK_SYMBOL (attr); | |
3481 | CHECK_STRING (value); | |
82641697 | 3482 | |
25a48bd0 | 3483 | if (xstrcasecmp (SSDATA (value), "unspecified") == 0) |
82641697 GM |
3484 | value = Qunspecified; |
3485 | else if (EQ (attr, QCheight)) | |
3486 | { | |
3487 | value = Fstring_to_number (value, make_number (10)); | |
3488 | if (XINT (value) <= 0) | |
3489 | signal_error ("Invalid face height from X resource", value); | |
3490 | } | |
3491 | else if (EQ (attr, QCbold) || EQ (attr, QCitalic)) | |
3492 | value = face_boolean_x_resource_value (value, 1); | |
3493 | else if (EQ (attr, QCweight) || EQ (attr, QCslant) || EQ (attr, QCwidth)) | |
42a5b22f | 3494 | value = intern (SSDATA (value)); |
82641697 GM |
3495 | else if (EQ (attr, QCreverse_video) || EQ (attr, QCinverse_video)) |
3496 | value = face_boolean_x_resource_value (value, 1); | |
3497 | else if (EQ (attr, QCunderline) | |
3498 | || EQ (attr, QCoverline) | |
27188d11 | 3499 | || EQ (attr, QCstrike_through)) |
82641697 GM |
3500 | { |
3501 | Lisp_Object boolean_value; | |
3502 | ||
3503 | /* If the result of face_boolean_x_resource_value is t or nil, | |
3504 | VALUE does NOT specify a color. */ | |
3505 | boolean_value = face_boolean_x_resource_value (value, 0); | |
3506 | if (SYMBOLP (boolean_value)) | |
3507 | value = boolean_value; | |
3508 | } | |
0ad040ff | 3509 | else if (EQ (attr, QCbox) || EQ (attr, QCinherit)) |
27188d11 | 3510 | value = Fcar (Fread_from_string (value, Qnil, Qnil)); |
82641697 GM |
3511 | |
3512 | return Finternal_set_lisp_face_attribute (face, attr, value, frame); | |
3513 | } | |
3514 | ||
c3cee013 | 3515 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 | 3516 | |
c7ae3284 GM |
3517 | \f |
3518 | /*********************************************************************** | |
3519 | Menu face | |
3520 | ***********************************************************************/ | |
3521 | ||
bce72079 | 3522 | #if defined HAVE_X_WINDOWS && defined USE_X_TOOLKIT |
c7ae3284 | 3523 | |
bce72079 GM |
3524 | /* Make menus on frame F appear as specified by the `menu' face. */ |
3525 | ||
3526 | static void | |
ebd15611 | 3527 | x_update_menu_appearance (struct frame *f) |
c7ae3284 | 3528 | { |
a03ad468 | 3529 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
bce72079 | 3530 | XrmDatabase rdb; |
178c5d9c | 3531 | |
bce72079 GM |
3532 | if (dpyinfo |
3533 | && (rdb = XrmGetDatabase (FRAME_X_DISPLAY (f)), | |
3534 | rdb != NULL)) | |
c7ae3284 | 3535 | { |
bce72079 GM |
3536 | char line[512]; |
3537 | Lisp_Object lface = lface_from_face_name (f, Qmenu, 1); | |
3538 | struct face *face = FACE_FROM_ID (f, MENU_FACE_ID); | |
42a5b22f | 3539 | const char *myname = SSDATA (Vx_resource_name); |
bce72079 | 3540 | int changed_p = 0; |
8ad582ac GM |
3541 | #ifdef USE_MOTIF |
3542 | const char *popup_path = "popup_menu"; | |
3543 | #else | |
3544 | const char *popup_path = "menu.popup"; | |
3545 | #endif | |
177c0ea7 | 3546 | |
bce72079 GM |
3547 | if (STRINGP (LFACE_FOREGROUND (lface))) |
3548 | { | |
8ad582ac GM |
3549 | sprintf (line, "%s.%s*foreground: %s", |
3550 | myname, popup_path, | |
d5db4077 | 3551 | SDATA (LFACE_FOREGROUND (lface))); |
bce72079 GM |
3552 | XrmPutLineResource (&rdb, line); |
3553 | sprintf (line, "%s.pane.menubar*foreground: %s", | |
d5db4077 | 3554 | myname, SDATA (LFACE_FOREGROUND (lface))); |
bce72079 GM |
3555 | XrmPutLineResource (&rdb, line); |
3556 | changed_p = 1; | |
3557 | } | |
178c5d9c | 3558 | |
bce72079 GM |
3559 | if (STRINGP (LFACE_BACKGROUND (lface))) |
3560 | { | |
8ad582ac GM |
3561 | sprintf (line, "%s.%s*background: %s", |
3562 | myname, popup_path, | |
d5db4077 | 3563 | SDATA (LFACE_BACKGROUND (lface))); |
bce72079 GM |
3564 | XrmPutLineResource (&rdb, line); |
3565 | sprintf (line, "%s.pane.menubar*background: %s", | |
d5db4077 | 3566 | myname, SDATA (LFACE_BACKGROUND (lface))); |
bce72079 GM |
3567 | XrmPutLineResource (&rdb, line); |
3568 | changed_p = 1; | |
3569 | } | |
177c0ea7 | 3570 | |
2dee4c0b | 3571 | if (face->font |
23888717 CY |
3572 | /* On Solaris 5.8, it's been reported that the `menu' face |
3573 | can be unspecified here, during startup. Why this | |
3574 | happens remains unknown. -- cyd */ | |
3575 | && FONTP (LFACE_FONT (lface)) | |
bce72079 | 3576 | && (!UNSPECIFIEDP (LFACE_FAMILY (lface)) |
53aaf1e2 | 3577 | || !UNSPECIFIEDP (LFACE_FOUNDRY (lface)) |
bce72079 | 3578 | || !UNSPECIFIEDP (LFACE_SWIDTH (lface)) |
bce72079 GM |
3579 | || !UNSPECIFIEDP (LFACE_WEIGHT (lface)) |
3580 | || !UNSPECIFIEDP (LFACE_SLANT (lface)) | |
3581 | || !UNSPECIFIEDP (LFACE_HEIGHT (lface)))) | |
3582 | { | |
47ae3723 | 3583 | Lisp_Object xlfd = Ffont_xlfd_name (LFACE_FONT (lface), Qnil); |
a03ad468 | 3584 | #ifdef USE_MOTIF |
bce72079 | 3585 | const char *suffix = "List"; |
211f2210 | 3586 | Bool motif = True; |
a2d7e722 JD |
3587 | #else |
3588 | #if defined HAVE_X_I18N | |
3589 | ||
3590 | const char *suffix = "Set"; | |
a03ad468 | 3591 | #else |
bce72079 | 3592 | const char *suffix = ""; |
a2d7e722 | 3593 | #endif |
211f2210 | 3594 | Bool motif = False; |
2defe37f | 3595 | #endif |
2dee4c0b KH |
3596 | |
3597 | if (! NILP (xlfd)) | |
3598 | { | |
211f2210 | 3599 | #if defined HAVE_X_I18N |
42a5b22f | 3600 | char *fontsetname = xic_create_fontsetname (SSDATA (xlfd), motif); |
2defe37f | 3601 | #else |
51b59d79 | 3602 | char *fontsetname = SSDATA (xlfd); |
bce72079 | 3603 | #endif |
2dee4c0b KH |
3604 | sprintf (line, "%s.pane.menubar*font%s: %s", |
3605 | myname, suffix, fontsetname); | |
3606 | XrmPutLineResource (&rdb, line); | |
3607 | sprintf (line, "%s.%s*font%s: %s", | |
3608 | myname, popup_path, suffix, fontsetname); | |
3609 | XrmPutLineResource (&rdb, line); | |
3610 | changed_p = 1; | |
51b59d79 | 3611 | if (fontsetname != SSDATA (xlfd)) |
2dee4c0b KH |
3612 | xfree (fontsetname); |
3613 | } | |
bce72079 | 3614 | } |
c7ae3284 | 3615 | |
bce72079 | 3616 | if (changed_p && f->output_data.x->menubar_widget) |
ac17f0bf | 3617 | free_frame_menubar (f); |
c7ae3284 GM |
3618 | } |
3619 | } | |
3620 | ||
bce72079 | 3621 | #endif /* HAVE_X_WINDOWS && USE_X_TOOLKIT */ |
82641697 GM |
3622 | |
3623 | ||
177c0ea7 | 3624 | DEFUN ("face-attribute-relative-p", Fface_attribute_relative_p, |
cdfaafa9 MB |
3625 | Sface_attribute_relative_p, |
3626 | 2, 2, 0, | |
2d6228e7 RS |
3627 | doc: /* Check whether a face attribute value is relative. |
3628 | Specifically, this function returns t if the attribute ATTRIBUTE | |
3629 | with the value VALUE is relative. | |
3630 | ||
3631 | A relative value is one that doesn't entirely override whatever is | |
3632 | inherited from another face. For most possible attributes, | |
3633 | the only relative value that users see is `unspecified'. | |
3634 | However, for :height, floating point values are also relative. */) | |
5842a27b | 3635 | (Lisp_Object attribute, Lisp_Object value) |
cdfaafa9 | 3636 | { |
05338727 | 3637 | if (EQ (value, Qunspecified) || (EQ (value, Qignore_defface))) |
cdfaafa9 MB |
3638 | return Qt; |
3639 | else if (EQ (attribute, QCheight)) | |
3640 | return INTEGERP (value) ? Qnil : Qt; | |
3641 | else | |
3642 | return Qnil; | |
3643 | } | |
3644 | ||
3645 | DEFUN ("merge-face-attribute", Fmerge_face_attribute, Smerge_face_attribute, | |
3646 | 3, 3, 0, | |
3647 | doc: /* Return face ATTRIBUTE VALUE1 merged with VALUE2. | |
3648 | If VALUE1 or VALUE2 are absolute (see `face-attribute-relative-p'), then | |
3649 | the result will be absolute, otherwise it will be relative. */) | |
5842a27b | 3650 | (Lisp_Object attribute, Lisp_Object value1, Lisp_Object value2) |
cdfaafa9 | 3651 | { |
05338727 | 3652 | if (EQ (value1, Qunspecified) || EQ (value1, Qignore_defface)) |
cdfaafa9 MB |
3653 | return value2; |
3654 | else if (EQ (attribute, QCheight)) | |
e1e419ec | 3655 | return merge_face_heights (value1, value2, value1); |
cdfaafa9 MB |
3656 | else |
3657 | return value1; | |
3658 | } | |
3659 | ||
82641697 GM |
3660 | |
3661 | DEFUN ("internal-get-lisp-face-attribute", Finternal_get_lisp_face_attribute, | |
3662 | Sinternal_get_lisp_face_attribute, | |
3663 | 2, 3, 0, | |
7ee72033 | 3664 | doc: /* Return face attribute KEYWORD of face SYMBOL. |
228299fa GM |
3665 | If SYMBOL does not name a valid Lisp face or KEYWORD isn't a valid |
3666 | face attribute name, signal an error. | |
7fc92635 JB |
3667 | If the optional argument FRAME is given, report on face SYMBOL in that |
3668 | frame. If FRAME is t, report on the defaults for face SYMBOL (for new | |
7ee72033 | 3669 | frames). If FRAME is omitted or nil, use the selected frame. */) |
5842a27b | 3670 | (Lisp_Object symbol, Lisp_Object keyword, Lisp_Object frame) |
82641697 GM |
3671 | { |
3672 | Lisp_Object lface, value = Qnil; | |
178c5d9c | 3673 | |
b7826503 PJ |
3674 | CHECK_SYMBOL (symbol); |
3675 | CHECK_SYMBOL (keyword); | |
82641697 GM |
3676 | |
3677 | if (EQ (frame, Qt)) | |
3678 | lface = lface_from_face_name (NULL, symbol, 1); | |
3679 | else | |
3680 | { | |
3681 | if (NILP (frame)) | |
c0617987 | 3682 | frame = selected_frame; |
b7826503 | 3683 | CHECK_LIVE_FRAME (frame); |
82641697 GM |
3684 | lface = lface_from_face_name (XFRAME (frame), symbol, 1); |
3685 | } | |
3686 | ||
3687 | if (EQ (keyword, QCfamily)) | |
3688 | value = LFACE_FAMILY (lface); | |
53aaf1e2 KH |
3689 | else if (EQ (keyword, QCfoundry)) |
3690 | value = LFACE_FOUNDRY (lface); | |
82641697 GM |
3691 | else if (EQ (keyword, QCheight)) |
3692 | value = LFACE_HEIGHT (lface); | |
3693 | else if (EQ (keyword, QCweight)) | |
3694 | value = LFACE_WEIGHT (lface); | |
3695 | else if (EQ (keyword, QCslant)) | |
3696 | value = LFACE_SLANT (lface); | |
3697 | else if (EQ (keyword, QCunderline)) | |
3698 | value = LFACE_UNDERLINE (lface); | |
3699 | else if (EQ (keyword, QCoverline)) | |
3700 | value = LFACE_OVERLINE (lface); | |
3701 | else if (EQ (keyword, QCstrike_through)) | |
3702 | value = LFACE_STRIKE_THROUGH (lface); | |
3703 | else if (EQ (keyword, QCbox)) | |
3704 | value = LFACE_BOX (lface); | |
3705 | else if (EQ (keyword, QCinverse_video) | |
3706 | || EQ (keyword, QCreverse_video)) | |
3707 | value = LFACE_INVERSE (lface); | |
3708 | else if (EQ (keyword, QCforeground)) | |
3709 | value = LFACE_FOREGROUND (lface); | |
3710 | else if (EQ (keyword, QCbackground)) | |
3711 | value = LFACE_BACKGROUND (lface); | |
3712 | else if (EQ (keyword, QCstipple)) | |
3713 | value = LFACE_STIPPLE (lface); | |
3714 | else if (EQ (keyword, QCwidth)) | |
3715 | value = LFACE_SWIDTH (lface); | |
2c20458f MB |
3716 | else if (EQ (keyword, QCinherit)) |
3717 | value = LFACE_INHERIT (lface); | |
39506348 KH |
3718 | else if (EQ (keyword, QCfont)) |
3719 | value = LFACE_FONT (lface); | |
763bc839 KH |
3720 | else if (EQ (keyword, QCfontset)) |
3721 | value = LFACE_FONTSET (lface); | |
82641697 GM |
3722 | else |
3723 | signal_error ("Invalid face attribute name", keyword); | |
3724 | ||
0268cef3 CY |
3725 | if (IGNORE_DEFFACE_P (value)) |
3726 | return Qunspecified; | |
3727 | ||
82641697 GM |
3728 | return value; |
3729 | } | |
3730 | ||
3731 | ||
3732 | DEFUN ("internal-lisp-face-attribute-values", | |
3733 | Finternal_lisp_face_attribute_values, | |
3734 | Sinternal_lisp_face_attribute_values, 1, 1, 0, | |
7ee72033 MB |
3735 | doc: /* Return a list of valid discrete values for face attribute ATTR. |
3736 | Value is nil if ATTR doesn't have a discrete set of valid values. */) | |
5842a27b | 3737 | (Lisp_Object attr) |
82641697 GM |
3738 | { |
3739 | Lisp_Object result = Qnil; | |
178c5d9c | 3740 | |
b7826503 | 3741 | CHECK_SYMBOL (attr); |
178c5d9c | 3742 | |
2dee4c0b | 3743 | if (EQ (attr, QCunderline)) |
82641697 GM |
3744 | result = Fcons (Qt, Fcons (Qnil, Qnil)); |
3745 | else if (EQ (attr, QCoverline)) | |
3746 | result = Fcons (Qt, Fcons (Qnil, Qnil)); | |
3747 | else if (EQ (attr, QCstrike_through)) | |
3748 | result = Fcons (Qt, Fcons (Qnil, Qnil)); | |
3749 | else if (EQ (attr, QCinverse_video) || EQ (attr, QCreverse_video)) | |
3750 | result = Fcons (Qt, Fcons (Qnil, Qnil)); | |
3751 | ||
3752 | return result; | |
3753 | } | |
178c5d9c | 3754 | |
82641697 GM |
3755 | |
3756 | DEFUN ("internal-merge-in-global-face", Finternal_merge_in_global_face, | |
178c5d9c | 3757 | Sinternal_merge_in_global_face, 2, 2, 0, |
e3cd9e7f | 3758 | doc: /* Add attributes from frame-default definition of FACE to FACE on FRAME. |
7ee72033 | 3759 | Default face attributes override any local face attributes. */) |
5842a27b | 3760 | (Lisp_Object face, Lisp_Object frame) |
82641697 | 3761 | { |
aad40737 MB |
3762 | int i; |
3763 | Lisp_Object global_lface, local_lface, *gvec, *lvec; | |
8d3810fd | 3764 | struct frame *f = XFRAME (frame); |
aad40737 | 3765 | |
b7826503 | 3766 | CHECK_LIVE_FRAME (frame); |
82641697 | 3767 | global_lface = lface_from_face_name (NULL, face, 1); |
8d3810fd | 3768 | local_lface = lface_from_face_name (f, face, 0); |
82641697 GM |
3769 | if (NILP (local_lface)) |
3770 | local_lface = Finternal_make_lisp_face (face, frame); | |
aad40737 | 3771 | |
cec33c90 SM |
3772 | /* Make every specified global attribute override the local one. |
3773 | BEWARE!! This is only used from `face-set-after-frame-default' where | |
3774 | the local frame is defined from default specs in `face-defface-spec' | |
3775 | and those should be overridden by global settings. Hence the strange | |
3776 | "global before local" priority. */ | |
aad40737 MB |
3777 | lvec = XVECTOR (local_lface)->contents; |
3778 | gvec = XVECTOR (global_lface)->contents; | |
3779 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
8d3810fd CY |
3780 | if (IGNORE_DEFFACE_P (gvec[i])) |
3781 | lvec[i] = Qunspecified; | |
3782 | else if (! UNSPECIFIEDP (gvec[i])) | |
3783 | lvec[i] = gvec[i]; | |
3784 | ||
fa9fa316 | 3785 | /* If the default face was changed, update the face cache and the |
811029d3 | 3786 | `font' frame parameter. */ |
8d3810fd CY |
3787 | if (EQ (face, Qdefault)) |
3788 | { | |
3789 | struct face_cache *c = FRAME_FACE_CACHE (f); | |
3790 | struct face *newface, *oldface = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
3791 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
3792 | ||
0421a7a7 CY |
3793 | /* This can be NULL (e.g., in batch mode). */ |
3794 | if (oldface) | |
8d3810fd | 3795 | { |
fa9fa316 CY |
3796 | /* Ensure that the face vector is fully specified by merging |
3797 | the previously-cached vector. */ | |
72af86bd | 3798 | memcpy (attrs, oldface->lface, sizeof attrs); |
0421a7a7 | 3799 | merge_face_vectors (f, lvec, attrs, 0); |
72af86bd | 3800 | memcpy (lvec, attrs, sizeof attrs); |
fa9fa316 | 3801 | newface = realize_face (c, lvec, DEFAULT_FACE_ID); |
0421a7a7 CY |
3802 | |
3803 | if ((! UNSPECIFIEDP (gvec[LFACE_FAMILY_INDEX]) | |
3804 | || ! UNSPECIFIEDP (gvec[LFACE_FOUNDRY_INDEX]) | |
3805 | || ! UNSPECIFIEDP (gvec[LFACE_HEIGHT_INDEX]) | |
3806 | || ! UNSPECIFIEDP (gvec[LFACE_WEIGHT_INDEX]) | |
3807 | || ! UNSPECIFIEDP (gvec[LFACE_SLANT_INDEX]) | |
3808 | || ! UNSPECIFIEDP (gvec[LFACE_SWIDTH_INDEX]) | |
3809 | || ! UNSPECIFIEDP (gvec[LFACE_FONT_INDEX])) | |
3810 | && newface->font) | |
3811 | { | |
3812 | Lisp_Object name = newface->font->props[FONT_NAME_INDEX]; | |
3813 | Fmodify_frame_parameters (frame, Fcons (Fcons (Qfont, name), | |
3814 | Qnil)); | |
3815 | } | |
8d3810fd CY |
3816 | } |
3817 | } | |
334a2e2a GM |
3818 | |
3819 | return Qnil; | |
82641697 GM |
3820 | } |
3821 | ||
3822 | ||
3823 | /* The following function is implemented for compatibility with 20.2. | |
3824 | The function is used in x-resolve-fonts when it is asked to | |
3825 | return fonts with the same size as the font of a face. This is | |
3826 | done in fontset.el. */ | |
3827 | ||
2db4bfe5 | 3828 | DEFUN ("face-font", Fface_font, Sface_font, 1, 3, 0, |
e3cd9e7f | 3829 | doc: /* Return the font name of face FACE, or nil if it is unspecified. |
2db4bfe5 | 3830 | The font name is, by default, for ASCII characters. |
228299fa GM |
3831 | If the optional argument FRAME is given, report on face FACE in that frame. |
3832 | If FRAME is t, report on the defaults for face FACE (for new frames). | |
3833 | The font default for a face is either nil, or a list | |
3834 | of the form (bold), (italic) or (bold italic). | |
2db4bfe5 KH |
3835 | If FRAME is omitted or nil, use the selected frame. And, in this case, |
3836 | if the optional third argument CHARACTER is given, | |
3837 | return the font name used for CHARACTER. */) | |
5842a27b | 3838 | (Lisp_Object face, Lisp_Object frame, Lisp_Object character) |
82641697 GM |
3839 | { |
3840 | if (EQ (frame, Qt)) | |
3841 | { | |
3842 | Lisp_Object result = Qnil; | |
3843 | Lisp_Object lface = lface_from_face_name (NULL, face, 1); | |
3844 | ||
3845 | if (!UNSPECIFIEDP (LFACE_WEIGHT (lface)) | |
3846 | && !EQ (LFACE_WEIGHT (lface), Qnormal)) | |
3847 | result = Fcons (Qbold, result); | |
178c5d9c | 3848 | |
0f2c6573 | 3849 | if (!UNSPECIFIEDP (LFACE_SLANT (lface)) |
82641697 GM |
3850 | && !EQ (LFACE_SLANT (lface), Qnormal)) |
3851 | result = Fcons (Qitalic, result); | |
178c5d9c | 3852 | |
82641697 GM |
3853 | return result; |
3854 | } | |
3855 | else | |
3856 | { | |
3857 | struct frame *f = frame_or_selected_frame (frame, 1); | |
000fc2b1 | 3858 | int face_id = lookup_named_face (f, face, 1); |
071048a3 | 3859 | struct face *fface = FACE_FROM_ID (f, face_id); |
2db4bfe5 | 3860 | |
071048a3 | 3861 | if (! fface) |
2db4bfe5 | 3862 | return Qnil; |
a1a552b3 | 3863 | #ifdef HAVE_WINDOW_SYSTEM |
75dad34a | 3864 | if (FRAME_WINDOW_P (f) && !NILP (character)) |
a1a552b3 KH |
3865 | { |
3866 | CHECK_CHARACTER (character); | |
071048a3 PE |
3867 | face_id = FACE_FOR_CHAR (f, fface, XINT (character), -1, Qnil); |
3868 | fface = FACE_FROM_ID (f, face_id); | |
a1a552b3 | 3869 | } |
071048a3 PE |
3870 | return (fface->font |
3871 | ? fface->font->props[FONT_NAME_INDEX] | |
2dee4c0b | 3872 | : Qnil); |
1ccdfd33 EZ |
3873 | #else /* !HAVE_WINDOW_SYSTEM */ |
3874 | return build_string (FRAME_MSDOS_P (f) | |
3875 | ? "ms-dos" | |
3876 | : FRAME_W32_P (f) ? "w32term" | |
3877 | :"tty"); | |
3878 | #endif | |
82641697 GM |
3879 | } |
3880 | } | |
3881 | ||
3882 | ||
9717e36c | 3883 | /* Compare face-attribute values v1 and v2 for equality. Value is non-zero if |
82641697 GM |
3884 | all attributes are `equal'. Tries to be fast because this function |
3885 | is called quite often. */ | |
3886 | ||
55d4c1b2 | 3887 | static inline int |
971de7fb | 3888 | face_attr_equal_p (Lisp_Object v1, Lisp_Object v2) |
82641697 | 3889 | { |
9717e36c MB |
3890 | /* Type can differ, e.g. when one attribute is unspecified, i.e. nil, |
3891 | and the other is specified. */ | |
3892 | if (XTYPE (v1) != XTYPE (v2)) | |
3893 | return 0; | |
82641697 | 3894 | |
9717e36c MB |
3895 | if (EQ (v1, v2)) |
3896 | return 1; | |
82641697 | 3897 | |
9717e36c MB |
3898 | switch (XTYPE (v1)) |
3899 | { | |
3900 | case Lisp_String: | |
3901 | if (SBYTES (v1) != SBYTES (v2)) | |
3902 | return 0; | |
82641697 | 3903 | |
72af86bd | 3904 | return memcmp (SDATA (v1), SDATA (v2), SBYTES (v1)) == 0; |
178c5d9c | 3905 | |
2de9f71c | 3906 | case_Lisp_Int: |
9717e36c MB |
3907 | case Lisp_Symbol: |
3908 | return 0; | |
178c5d9c | 3909 | |
9717e36c MB |
3910 | default: |
3911 | return !NILP (Fequal (v1, v2)); | |
82641697 | 3912 | } |
9717e36c MB |
3913 | } |
3914 | ||
3915 | ||
3916 | /* Compare face vectors V1 and V2 for equality. Value is non-zero if | |
3917 | all attributes are `equal'. Tries to be fast because this function | |
3918 | is called quite often. */ | |
3919 | ||
55d4c1b2 | 3920 | static inline int |
971de7fb | 3921 | lface_equal_p (Lisp_Object *v1, Lisp_Object *v2) |
9717e36c MB |
3922 | { |
3923 | int i, equal_p = 1; | |
3924 | ||
3925 | for (i = 1; i < LFACE_VECTOR_SIZE && equal_p; ++i) | |
3926 | equal_p = face_attr_equal_p (v1[i], v2[i]); | |
178c5d9c | 3927 | |
82641697 GM |
3928 | return equal_p; |
3929 | } | |
3930 | ||
3931 | ||
3932 | DEFUN ("internal-lisp-face-equal-p", Finternal_lisp_face_equal_p, | |
3933 | Sinternal_lisp_face_equal_p, 2, 3, 0, | |
7ee72033 | 3934 | doc: /* True if FACE1 and FACE2 are equal. |
03f11322 JB |
3935 | If the optional argument FRAME is given, report on FACE1 and FACE2 in that frame. |
3936 | If FRAME is t, report on the defaults for FACE1 and FACE2 (for new frames). | |
7ee72033 | 3937 | If FRAME is omitted or nil, use the selected frame. */) |
5842a27b | 3938 | (Lisp_Object face1, Lisp_Object face2, Lisp_Object frame) |
82641697 GM |
3939 | { |
3940 | int equal_p; | |
7b953c9c | 3941 | struct frame *f; |
82641697 | 3942 | Lisp_Object lface1, lface2; |
178c5d9c | 3943 | |
7b953c9c MB |
3944 | if (EQ (frame, Qt)) |
3945 | f = NULL; | |
3946 | else | |
3947 | /* Don't use check_x_frame here because this function is called | |
3948 | before X frames exist. At that time, if FRAME is nil, | |
3949 | selected_frame will be used which is the frame dumped with | |
3950 | Emacs. That frame is not an X frame. */ | |
3951 | f = frame_or_selected_frame (frame, 2); | |
3952 | ||
03f11322 JB |
3953 | lface1 = lface_from_face_name (f, face1, 1); |
3954 | lface2 = lface_from_face_name (f, face2, 1); | |
82641697 GM |
3955 | equal_p = lface_equal_p (XVECTOR (lface1)->contents, |
3956 | XVECTOR (lface2)->contents); | |
3957 | return equal_p ? Qt : Qnil; | |
3958 | } | |
3959 | ||
178c5d9c | 3960 | |
82641697 GM |
3961 | DEFUN ("internal-lisp-face-empty-p", Finternal_lisp_face_empty_p, |
3962 | Sinternal_lisp_face_empty_p, 1, 2, 0, | |
7ee72033 | 3963 | doc: /* True if FACE has no attribute specified. |
228299fa GM |
3964 | If the optional argument FRAME is given, report on face FACE in that frame. |
3965 | If FRAME is t, report on the defaults for face FACE (for new frames). | |
7ee72033 | 3966 | If FRAME is omitted or nil, use the selected frame. */) |
5842a27b | 3967 | (Lisp_Object face, Lisp_Object frame) |
82641697 GM |
3968 | { |
3969 | struct frame *f; | |
3970 | Lisp_Object lface; | |
3971 | int i; | |
3972 | ||
3973 | if (NILP (frame)) | |
c0617987 | 3974 | frame = selected_frame; |
b7826503 | 3975 | CHECK_LIVE_FRAME (frame); |
c0617987 | 3976 | f = XFRAME (frame); |
178c5d9c | 3977 | |
82641697 GM |
3978 | if (EQ (frame, Qt)) |
3979 | lface = lface_from_face_name (NULL, face, 1); | |
3980 | else | |
3981 | lface = lface_from_face_name (f, face, 1); | |
3982 | ||
3983 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
a08332c0 | 3984 | if (!UNSPECIFIEDP (AREF (lface, i))) |
82641697 | 3985 | break; |
178c5d9c | 3986 | |
82641697 GM |
3987 | return i == LFACE_VECTOR_SIZE ? Qt : Qnil; |
3988 | } | |
3989 | ||
3990 | ||
3991 | DEFUN ("frame-face-alist", Fframe_face_alist, Sframe_face_alist, | |
178c5d9c | 3992 | 0, 1, 0, |
7ee72033 MB |
3993 | doc: /* Return an alist of frame-local faces defined on FRAME. |
3994 | For internal use only. */) | |
5842a27b | 3995 | (Lisp_Object frame) |
82641697 GM |
3996 | { |
3997 | struct frame *f = frame_or_selected_frame (frame, 0); | |
3998 | return f->face_alist; | |
3999 | } | |
4000 | ||
4001 | ||
4002 | /* Return a hash code for Lisp string STRING with case ignored. Used | |
4003 | below in computing a hash value for a Lisp face. */ | |
4004 | ||
55d4c1b2 | 4005 | static inline unsigned |
971de7fb | 4006 | hash_string_case_insensitive (Lisp_Object string) |
82641697 | 4007 | { |
53c208f6 | 4008 | const unsigned char *s; |
82641697 GM |
4009 | unsigned hash = 0; |
4010 | xassert (STRINGP (string)); | |
d5db4077 | 4011 | for (s = SDATA (string); *s; ++s) |
82641697 GM |
4012 | hash = (hash << 1) ^ tolower (*s); |
4013 | return hash; | |
4014 | } | |
4015 | ||
4016 | ||
4017 | /* Return a hash code for face attribute vector V. */ | |
4018 | ||
55d4c1b2 | 4019 | static inline unsigned |
971de7fb | 4020 | lface_hash (Lisp_Object *v) |
82641697 GM |
4021 | { |
4022 | return (hash_string_case_insensitive (v[LFACE_FAMILY_INDEX]) | |
53aaf1e2 | 4023 | ^ hash_string_case_insensitive (v[LFACE_FOUNDRY_INDEX]) |
82641697 GM |
4024 | ^ hash_string_case_insensitive (v[LFACE_FOREGROUND_INDEX]) |
4025 | ^ hash_string_case_insensitive (v[LFACE_BACKGROUND_INDEX]) | |
a2bc5bdd SM |
4026 | ^ XHASH (v[LFACE_WEIGHT_INDEX]) |
4027 | ^ XHASH (v[LFACE_SLANT_INDEX]) | |
4028 | ^ XHASH (v[LFACE_SWIDTH_INDEX]) | |
4029 | ^ XHASH (v[LFACE_HEIGHT_INDEX])); | |
82641697 GM |
4030 | } |
4031 | ||
4032 | ||
4033 | /* Return non-zero if LFACE1 and LFACE2 specify the same font (without | |
4034 | considering charsets/registries). They do if they specify the same | |
2dee4c0b | 4035 | family, point size, weight, width, slant, and font. Both |
763bc839 | 4036 | LFACE1 and LFACE2 must be fully-specified. */ |
82641697 | 4037 | |
55d4c1b2 | 4038 | static inline int |
971de7fb | 4039 | lface_same_font_attributes_p (Lisp_Object *lface1, Lisp_Object *lface2) |
82641697 GM |
4040 | { |
4041 | xassert (lface_fully_specified_p (lface1) | |
4042 | && lface_fully_specified_p (lface2)); | |
25a48bd0 PE |
4043 | return (xstrcasecmp (SSDATA (lface1[LFACE_FAMILY_INDEX]), |
4044 | SSDATA (lface2[LFACE_FAMILY_INDEX])) == 0 | |
4045 | && xstrcasecmp (SSDATA (lface1[LFACE_FOUNDRY_INDEX]), | |
4046 | SSDATA (lface2[LFACE_FOUNDRY_INDEX])) == 0 | |
2c20458f | 4047 | && EQ (lface1[LFACE_HEIGHT_INDEX], lface2[LFACE_HEIGHT_INDEX]) |
82641697 GM |
4048 | && EQ (lface1[LFACE_SWIDTH_INDEX], lface2[LFACE_SWIDTH_INDEX]) |
4049 | && EQ (lface1[LFACE_WEIGHT_INDEX], lface2[LFACE_WEIGHT_INDEX]) | |
39506348 | 4050 | && EQ (lface1[LFACE_SLANT_INDEX], lface2[LFACE_SLANT_INDEX]) |
2dee4c0b | 4051 | && EQ (lface1[LFACE_FONT_INDEX], lface2[LFACE_FONT_INDEX]) |
763bc839 KH |
4052 | && (EQ (lface1[LFACE_FONTSET_INDEX], lface2[LFACE_FONTSET_INDEX]) |
4053 | || (STRINGP (lface1[LFACE_FONTSET_INDEX]) | |
4054 | && STRINGP (lface2[LFACE_FONTSET_INDEX]) | |
25a48bd0 PE |
4055 | && ! xstrcasecmp (SSDATA (lface1[LFACE_FONTSET_INDEX]), |
4056 | SSDATA (lface2[LFACE_FONTSET_INDEX])))) | |
763bc839 | 4057 | ); |
82641697 GM |
4058 | } |
4059 | ||
4060 | ||
4061 | \f | |
4062 | /*********************************************************************** | |
4063 | Realized Faces | |
4064 | ***********************************************************************/ | |
4065 | ||
4066 | /* Allocate and return a new realized face for Lisp face attribute | |
39506348 | 4067 | vector ATTR. */ |
82641697 GM |
4068 | |
4069 | static struct face * | |
971de7fb | 4070 | make_realized_face (Lisp_Object *attr) |
82641697 GM |
4071 | { |
4072 | struct face *face = (struct face *) xmalloc (sizeof *face); | |
72af86bd | 4073 | memset (face, 0, sizeof *face); |
39506348 | 4074 | face->ascii_face = face; |
72af86bd | 4075 | memcpy (face->lface, attr, sizeof face->lface); |
82641697 GM |
4076 | return face; |
4077 | } | |
4078 | ||
4079 | ||
4080 | /* Free realized face FACE, including its X resources. FACE may | |
4081 | be null. */ | |
4082 | ||
435f4c28 | 4083 | static void |
971de7fb | 4084 | free_realized_face (struct frame *f, struct face *face) |
82641697 GM |
4085 | { |
4086 | if (face) | |
4087 | { | |
c3cee013 JR |
4088 | #ifdef HAVE_WINDOW_SYSTEM |
4089 | if (FRAME_WINDOW_P (f)) | |
82641697 | 4090 | { |
39506348 KH |
4091 | /* Free fontset of FACE if it is ASCII face. */ |
4092 | if (face->fontset >= 0 && face == face->ascii_face) | |
4093 | free_face_fontset (f, face); | |
82641697 GM |
4094 | if (face->gc) |
4095 | { | |
985773c9 | 4096 | BLOCK_INPUT; |
2dee4c0b | 4097 | if (face->font) |
426b2119 | 4098 | font_done_for_face (f, face); |
82641697 GM |
4099 | x_free_gc (f, face->gc); |
4100 | face->gc = 0; | |
ed0c79c6 | 4101 | UNBLOCK_INPUT; |
82641697 | 4102 | } |
178c5d9c | 4103 | |
82641697 GM |
4104 | free_face_colors (f, face); |
4105 | x_destroy_bitmap (f, face->stipple); | |
4106 | } | |
c3cee013 | 4107 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
4108 | |
4109 | xfree (face); | |
4110 | } | |
4111 | } | |
4112 | ||
4113 | ||
4114 | /* Prepare face FACE for subsequent display on frame F. This | |
4115 | allocated GCs if they haven't been allocated yet or have been freed | |
4116 | by clearing the face cache. */ | |
4117 | ||
4118 | void | |
971de7fb | 4119 | prepare_face_for_display (struct frame *f, struct face *face) |
82641697 | 4120 | { |
c3cee013 JR |
4121 | #ifdef HAVE_WINDOW_SYSTEM |
4122 | xassert (FRAME_WINDOW_P (f)); | |
178c5d9c | 4123 | |
82641697 GM |
4124 | if (face->gc == 0) |
4125 | { | |
4126 | XGCValues xgcv; | |
4127 | unsigned long mask = GCForeground | GCBackground | GCGraphicsExposures; | |
4128 | ||
4129 | xgcv.foreground = face->foreground; | |
4130 | xgcv.background = face->background; | |
c3cee013 | 4131 | #ifdef HAVE_X_WINDOWS |
82641697 | 4132 | xgcv.graphics_exposures = False; |
c3cee013 | 4133 | #endif |
82641697 GM |
4134 | |
4135 | BLOCK_INPUT; | |
c3cee013 | 4136 | #ifdef HAVE_X_WINDOWS |
82641697 GM |
4137 | if (face->stipple) |
4138 | { | |
be8a72f4 | 4139 | xgcv.fill_style = FillOpaqueStippled; |
82641697 GM |
4140 | xgcv.stipple = x_bitmap_pixmap (f, face->stipple); |
4141 | mask |= GCFillStyle | GCStipple; | |
4142 | } | |
c3cee013 | 4143 | #endif |
82641697 | 4144 | face->gc = x_create_gc (f, mask, &xgcv); |
2dee4c0b | 4145 | if (face->font) |
426b2119 | 4146 | font_prepare_for_face (f, face); |
82641697 GM |
4147 | UNBLOCK_INPUT; |
4148 | } | |
c3cee013 | 4149 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
4150 | } |
4151 | ||
82641697 | 4152 | \f |
b35df831 MB |
4153 | /* Returns the `distance' between the colors X and Y. */ |
4154 | ||
4155 | static int | |
971de7fb | 4156 | color_distance (XColor *x, XColor *y) |
b35df831 MB |
4157 | { |
4158 | /* This formula is from a paper title `Colour metric' by Thiadmer Riemersma. | |
4159 | Quoting from that paper: | |
4160 | ||
4161 | This formula has results that are very close to L*u*v* (with the | |
4162 | modified lightness curve) and, more importantly, it is a more even | |
4163 | algorithm: it does not have a range of colours where it suddenly | |
4164 | gives far from optimal results. | |
4165 | ||
4166 | See <http://www.compuphase.com/cmetric.htm> for more info. */ | |
4167 | ||
4168 | long r = (x->red - y->red) >> 8; | |
4169 | long g = (x->green - y->green) >> 8; | |
4170 | long b = (x->blue - y->blue) >> 8; | |
4171 | long r_mean = (x->red + y->red) >> 9; | |
4172 | ||
4173 | return | |
4174 | (((512 + r_mean) * r * r) >> 8) | |
4175 | + 4 * g * g | |
4176 | + (((767 - r_mean) * b * b) >> 8); | |
4177 | } | |
4178 | ||
4179 | ||
4180 | DEFUN ("color-distance", Fcolor_distance, Scolor_distance, 2, 3, 0, | |
4181 | doc: /* Return an integer distance between COLOR1 and COLOR2 on FRAME. | |
4182 | COLOR1 and COLOR2 may be either strings containing the color name, | |
4183 | or lists of the form (RED GREEN BLUE). | |
4184 | If FRAME is unspecified or nil, the current frame is used. */) | |
5842a27b | 4185 | (Lisp_Object color1, Lisp_Object color2, Lisp_Object frame) |
b35df831 MB |
4186 | { |
4187 | struct frame *f; | |
4188 | XColor cdef1, cdef2; | |
4189 | ||
4190 | if (NILP (frame)) | |
4191 | frame = selected_frame; | |
4192 | CHECK_LIVE_FRAME (frame); | |
4193 | f = XFRAME (frame); | |
4194 | ||
6c8e1d62 | 4195 | if (!(CONSP (color1) && parse_rgb_list (color1, &cdef1)) |
42a5b22f | 4196 | && !(STRINGP (color1) && defined_color (f, SSDATA (color1), &cdef1, 0))) |
b35df831 | 4197 | signal_error ("Invalid color", color1); |
6c8e1d62 | 4198 | if (!(CONSP (color2) && parse_rgb_list (color2, &cdef2)) |
42a5b22f | 4199 | && !(STRINGP (color2) && defined_color (f, SSDATA (color2), &cdef2, 0))) |
b35df831 MB |
4200 | signal_error ("Invalid color", color2); |
4201 | ||
4202 | return make_number (color_distance (&cdef1, &cdef2)); | |
4203 | } | |
4204 | ||
4205 | \f | |
82641697 GM |
4206 | /*********************************************************************** |
4207 | Face Cache | |
4208 | ***********************************************************************/ | |
4209 | ||
4210 | /* Return a new face cache for frame F. */ | |
4211 | ||
4212 | static struct face_cache * | |
971de7fb | 4213 | make_face_cache (struct frame *f) |
82641697 GM |
4214 | { |
4215 | struct face_cache *c; | |
4216 | int size; | |
4217 | ||
4218 | c = (struct face_cache *) xmalloc (sizeof *c); | |
72af86bd | 4219 | memset (c, 0, sizeof *c); |
82641697 GM |
4220 | size = FACE_CACHE_BUCKETS_SIZE * sizeof *c->buckets; |
4221 | c->buckets = (struct face **) xmalloc (size); | |
72af86bd | 4222 | memset (c->buckets, 0, size); |
82641697 GM |
4223 | c->size = 50; |
4224 | c->faces_by_id = (struct face **) xmalloc (c->size * sizeof *c->faces_by_id); | |
4225 | c->f = f; | |
ceeda019 | 4226 | c->menu_face_changed_p = menu_face_changed_default; |
82641697 GM |
4227 | return c; |
4228 | } | |
4229 | ||
4230 | ||
4231 | /* Clear out all graphics contexts for all realized faces, except for | |
4232 | the basic faces. This should be done from time to time just to avoid | |
4233 | keeping too many graphics contexts that are no longer needed. */ | |
4234 | ||
4235 | static void | |
971de7fb | 4236 | clear_face_gcs (struct face_cache *c) |
82641697 | 4237 | { |
c3cee013 | 4238 | if (c && FRAME_WINDOW_P (c->f)) |
82641697 | 4239 | { |
c3cee013 | 4240 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 GM |
4241 | int i; |
4242 | for (i = BASIC_FACE_ID_SENTINEL; i < c->used; ++i) | |
4243 | { | |
4244 | struct face *face = c->faces_by_id[i]; | |
4245 | if (face && face->gc) | |
4246 | { | |
985773c9 | 4247 | BLOCK_INPUT; |
2dee4c0b | 4248 | if (face->font) |
426b2119 | 4249 | font_done_for_face (c->f, face); |
82641697 GM |
4250 | x_free_gc (c->f, face->gc); |
4251 | face->gc = 0; | |
ed0c79c6 | 4252 | UNBLOCK_INPUT; |
82641697 GM |
4253 | } |
4254 | } | |
c3cee013 | 4255 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
4256 | } |
4257 | } | |
4258 | ||
4259 | ||
7fc92635 JB |
4260 | /* Free all realized faces in face cache C, including basic faces. |
4261 | C may be null. If faces are freed, make sure the frame's current | |
82641697 GM |
4262 | matrix is marked invalid, so that a display caused by an expose |
4263 | event doesn't try to use faces we destroyed. */ | |
4264 | ||
4265 | static void | |
971de7fb | 4266 | free_realized_faces (struct face_cache *c) |
82641697 GM |
4267 | { |
4268 | if (c && c->used) | |
4269 | { | |
4270 | int i, size; | |
4271 | struct frame *f = c->f; | |
4272 | ||
84ec3b4b GM |
4273 | /* We must block input here because we can't process X events |
4274 | safely while only some faces are freed, or when the frame's | |
4275 | current matrix still references freed faces. */ | |
4276 | BLOCK_INPUT; | |
4277 | ||
82641697 GM |
4278 | for (i = 0; i < c->used; ++i) |
4279 | { | |
4280 | free_realized_face (f, c->faces_by_id[i]); | |
4281 | c->faces_by_id[i] = NULL; | |
4282 | } | |
178c5d9c | 4283 | |
82641697 GM |
4284 | c->used = 0; |
4285 | size = FACE_CACHE_BUCKETS_SIZE * sizeof *c->buckets; | |
72af86bd | 4286 | memset (c->buckets, 0, size); |
82641697 GM |
4287 | |
4288 | /* Must do a thorough redisplay the next time. Mark current | |
4289 | matrices as invalid because they will reference faces freed | |
4290 | above. This function is also called when a frame is | |
4291 | destroyed. In this case, the root window of F is nil. */ | |
4292 | if (WINDOWP (f->root_window)) | |
4293 | { | |
4294 | clear_current_matrices (f); | |
4295 | ++windows_or_buffers_changed; | |
4296 | } | |
84ec3b4b GM |
4297 | |
4298 | UNBLOCK_INPUT; | |
82641697 GM |
4299 | } |
4300 | } | |
4301 | ||
4302 | ||
4303 | /* Free all realized faces on FRAME or on all frames if FRAME is nil. | |
4304 | This is done after attributes of a named face have been changed, | |
4305 | because we can't tell which realized faces depend on that face. */ | |
4306 | ||
4307 | void | |
971de7fb | 4308 | free_all_realized_faces (Lisp_Object frame) |
82641697 GM |
4309 | { |
4310 | if (NILP (frame)) | |
4311 | { | |
4312 | Lisp_Object rest; | |
4313 | FOR_EACH_FRAME (rest, frame) | |
4314 | free_realized_faces (FRAME_FACE_CACHE (XFRAME (frame))); | |
4315 | } | |
4316 | else | |
4317 | free_realized_faces (FRAME_FACE_CACHE (XFRAME (frame))); | |
4318 | } | |
4319 | ||
4320 | ||
4321 | /* Free face cache C and faces in it, including their X resources. */ | |
4322 | ||
4323 | static void | |
971de7fb | 4324 | free_face_cache (struct face_cache *c) |
82641697 GM |
4325 | { |
4326 | if (c) | |
4327 | { | |
4328 | free_realized_faces (c); | |
4329 | xfree (c->buckets); | |
4330 | xfree (c->faces_by_id); | |
4331 | xfree (c); | |
4332 | } | |
4333 | } | |
4334 | ||
4335 | ||
4336 | /* Cache realized face FACE in face cache C. HASH is the hash value | |
af53b43c KH |
4337 | of FACE. If FACE is for ASCII characters (i.e. FACE->ascii_face == |
4338 | FACE), insert the new face to the beginning of the collision list | |
4339 | of the face hash table of C. Otherwise, add the new face to the | |
4340 | end of the collision list. This way, lookup_face can quickly find | |
4341 | that a requested face is not cached. */ | |
82641697 GM |
4342 | |
4343 | static void | |
971de7fb | 4344 | cache_face (struct face_cache *c, struct face *face, unsigned int hash) |
82641697 GM |
4345 | { |
4346 | int i = hash % FACE_CACHE_BUCKETS_SIZE; | |
4347 | ||
4348 | face->hash = hash; | |
4349 | ||
af53b43c | 4350 | if (face->ascii_face != face) |
82641697 GM |
4351 | { |
4352 | struct face *last = c->buckets[i]; | |
4353 | if (last) | |
4354 | { | |
4355 | while (last->next) | |
4356 | last = last->next; | |
4357 | last->next = face; | |
4358 | face->prev = last; | |
4359 | face->next = NULL; | |
4360 | } | |
4361 | else | |
4362 | { | |
4363 | c->buckets[i] = face; | |
4364 | face->prev = face->next = NULL; | |
4365 | } | |
4366 | } | |
4367 | else | |
4368 | { | |
4369 | face->prev = NULL; | |
4370 | face->next = c->buckets[i]; | |
4371 | if (face->next) | |
4372 | face->next->prev = face; | |
4373 | c->buckets[i] = face; | |
4374 | } | |
4375 | ||
4376 | /* Find a free slot in C->faces_by_id and use the index of the free | |
4377 | slot as FACE->id. */ | |
4378 | for (i = 0; i < c->used; ++i) | |
4379 | if (c->faces_by_id[i] == NULL) | |
4380 | break; | |
4381 | face->id = i; | |
178c5d9c | 4382 | |
82641697 | 4383 | /* Maybe enlarge C->faces_by_id. */ |
6b61353c | 4384 | if (i == c->used) |
82641697 | 4385 | { |
6b61353c KH |
4386 | if (c->used == c->size) |
4387 | { | |
4388 | int new_size, sz; | |
4389 | new_size = min (2 * c->size, MAX_FACE_ID); | |
4390 | if (new_size == c->size) | |
4391 | abort (); /* Alternatives? ++kfs */ | |
4392 | sz = new_size * sizeof *c->faces_by_id; | |
4393 | c->faces_by_id = (struct face **) xrealloc (c->faces_by_id, sz); | |
4394 | c->size = new_size; | |
4395 | } | |
4396 | c->used++; | |
82641697 GM |
4397 | } |
4398 | ||
4399 | #if GLYPH_DEBUG | |
4400 | /* Check that FACE got a unique id. */ | |
4401 | { | |
4402 | int j, n; | |
4403 | struct face *face; | |
4404 | ||
4405 | for (j = n = 0; j < FACE_CACHE_BUCKETS_SIZE; ++j) | |
4406 | for (face = c->buckets[j]; face; face = face->next) | |
4407 | if (face->id == i) | |
4408 | ++n; | |
4409 | ||
4410 | xassert (n == 1); | |
4411 | } | |
4412 | #endif /* GLYPH_DEBUG */ | |
178c5d9c | 4413 | |
82641697 | 4414 | c->faces_by_id[i] = face; |
82641697 GM |
4415 | } |
4416 | ||
4417 | ||
4418 | /* Remove face FACE from cache C. */ | |
4419 | ||
4420 | static void | |
971de7fb | 4421 | uncache_face (struct face_cache *c, struct face *face) |
82641697 GM |
4422 | { |
4423 | int i = face->hash % FACE_CACHE_BUCKETS_SIZE; | |
178c5d9c | 4424 | |
82641697 GM |
4425 | if (face->prev) |
4426 | face->prev->next = face->next; | |
4427 | else | |
4428 | c->buckets[i] = face->next; | |
178c5d9c | 4429 | |
82641697 GM |
4430 | if (face->next) |
4431 | face->next->prev = face->prev; | |
178c5d9c | 4432 | |
82641697 GM |
4433 | c->faces_by_id[face->id] = NULL; |
4434 | if (face->id == c->used) | |
4435 | --c->used; | |
4436 | } | |
4437 | ||
4438 | ||
4439 | /* Look up a realized face with face attributes ATTR in the face cache | |
af53b43c KH |
4440 | of frame F. The face will be used to display ASCII characters. |
4441 | Value is the ID of the face found. If no suitable face is found, | |
4442 | realize a new one. */ | |
82641697 | 4443 | |
55d4c1b2 | 4444 | static inline int |
971de7fb | 4445 | lookup_face (struct frame *f, Lisp_Object *attr) |
82641697 | 4446 | { |
39506348 | 4447 | struct face_cache *cache = FRAME_FACE_CACHE (f); |
82641697 GM |
4448 | unsigned hash; |
4449 | int i; | |
4450 | struct face *face; | |
4451 | ||
39506348 | 4452 | xassert (cache != NULL); |
82641697 GM |
4453 | check_lface_attrs (attr); |
4454 | ||
4455 | /* Look up ATTR in the face cache. */ | |
4456 | hash = lface_hash (attr); | |
4457 | i = hash % FACE_CACHE_BUCKETS_SIZE; | |
178c5d9c | 4458 | |
39506348 | 4459 | for (face = cache->buckets[i]; face; face = face->next) |
af53b43c KH |
4460 | { |
4461 | if (face->ascii_face != face) | |
4462 | { | |
4463 | /* There's no more ASCII face. */ | |
4464 | face = NULL; | |
4465 | break; | |
4466 | } | |
4467 | if (face->hash == hash | |
4468 | && lface_equal_p (face->lface, attr)) | |
4469 | break; | |
4470 | } | |
82641697 GM |
4471 | |
4472 | /* If not found, realize a new face. */ | |
4473 | if (face == NULL) | |
af53b43c | 4474 | face = realize_face (cache, attr, -1); |
82641697 GM |
4475 | |
4476 | #if GLYPH_DEBUG | |
4477 | xassert (face == FACE_FROM_ID (f, face->id)); | |
82641697 | 4478 | #endif /* GLYPH_DEBUG */ |
178c5d9c | 4479 | |
82641697 GM |
4480 | return face->id; |
4481 | } | |
4482 | ||
2dee4c0b KH |
4483 | #ifdef HAVE_WINDOW_SYSTEM |
4484 | /* Look up a realized face that has the same attributes as BASE_FACE | |
4485 | except for the font in the face cache of frame F. If FONT-OBJECT | |
4486 | is not nil, it is an already opened font. If FONT-OBJECT is nil, | |
4487 | the face has no font. Value is the ID of the face found. If no | |
4488 | suitable face is found, realize a new one. */ | |
426b2119 | 4489 | |
426b2119 | 4490 | int |
971de7fb | 4491 | face_for_font (struct frame *f, Lisp_Object font_object, struct face *base_face) |
426b2119 KH |
4492 | { |
4493 | struct face_cache *cache = FRAME_FACE_CACHE (f); | |
4494 | unsigned hash; | |
4495 | int i; | |
4496 | struct face *face; | |
4497 | ||
4498 | xassert (cache != NULL); | |
4499 | base_face = base_face->ascii_face; | |
4500 | hash = lface_hash (base_face->lface); | |
4501 | i = hash % FACE_CACHE_BUCKETS_SIZE; | |
4502 | ||
4503 | for (face = cache->buckets[i]; face; face = face->next) | |
4504 | { | |
4505 | if (face->ascii_face == face) | |
4506 | continue; | |
4507 | if (face->ascii_face == base_face | |
2dee4c0b KH |
4508 | && face->font == (NILP (font_object) ? NULL |
4509 | : XFONT_OBJECT (font_object)) | |
4510 | && lface_equal_p (face->lface, base_face->lface)) | |
426b2119 KH |
4511 | return face->id; |
4512 | } | |
4513 | ||
4514 | /* If not found, realize a new face. */ | |
2dee4c0b | 4515 | face = realize_non_ascii_face (f, font_object, base_face); |
426b2119 KH |
4516 | return face->id; |
4517 | } | |
8c6204de | 4518 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 | 4519 | |
82641697 | 4520 | /* Return the face id of the realized face for named face SYMBOL on |
af53b43c KH |
4521 | frame F suitable for displaying ASCII characters. Value is -1 if |
4522 | the face couldn't be determined, which might happen if the default | |
4523 | face isn't realized and cannot be realized. */ | |
82641697 GM |
4524 | |
4525 | int | |
971de7fb | 4526 | lookup_named_face (struct frame *f, Lisp_Object symbol, int signal_p) |
82641697 | 4527 | { |
e7d7fd8c MB |
4528 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
4529 | Lisp_Object symbol_attrs[LFACE_VECTOR_SIZE]; | |
82641697 GM |
4530 | struct face *default_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); |
4531 | ||
b5de343d GM |
4532 | if (default_face == NULL) |
4533 | { | |
4534 | if (!realize_basic_faces (f)) | |
4535 | return -1; | |
4536 | default_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
418ca4d2 RS |
4537 | if (default_face == NULL) |
4538 | abort (); /* realize_basic_faces must have set it up */ | |
b5de343d GM |
4539 | } |
4540 | ||
f2cec7a9 | 4541 | if (! get_lface_attributes (f, symbol, symbol_attrs, signal_p, 0)) |
2272e967 KS |
4542 | return -1; |
4543 | ||
72af86bd | 4544 | memcpy (attrs, default_face->lface, sizeof attrs); |
e7d7fd8c | 4545 | merge_face_vectors (f, symbol_attrs, attrs, 0); |
a0a23346 | 4546 | |
af53b43c | 4547 | return lookup_face (f, attrs); |
82641697 GM |
4548 | } |
4549 | ||
4550 | ||
f2cec7a9 MB |
4551 | /* Return the display face-id of the basic face who's canonical face-id |
4552 | is FACE_ID. The return value will usually simply be FACE_ID, unless that | |
4553 | basic face has bee remapped via Vface_remapping_alist. This function is | |
4554 | conservative: if something goes wrong, it will simply return FACE_ID | |
4555 | rather than signal an error. */ | |
4556 | ||
4557 | int | |
971de7fb | 4558 | lookup_basic_face (struct frame *f, int face_id) |
f2cec7a9 MB |
4559 | { |
4560 | Lisp_Object name, mapping; | |
4561 | int remapped_face_id; | |
4562 | ||
4563 | if (NILP (Vface_remapping_alist)) | |
4564 | return face_id; /* Nothing to do. */ | |
4565 | ||
4566 | switch (face_id) | |
4567 | { | |
4568 | case DEFAULT_FACE_ID: name = Qdefault; break; | |
4569 | case MODE_LINE_FACE_ID: name = Qmode_line; break; | |
4570 | case MODE_LINE_INACTIVE_FACE_ID: name = Qmode_line_inactive; break; | |
4571 | case HEADER_LINE_FACE_ID: name = Qheader_line; break; | |
4572 | case TOOL_BAR_FACE_ID: name = Qtool_bar; break; | |
4573 | case FRINGE_FACE_ID: name = Qfringe; break; | |
4574 | case SCROLL_BAR_FACE_ID: name = Qscroll_bar; break; | |
4575 | case BORDER_FACE_ID: name = Qborder; break; | |
4576 | case CURSOR_FACE_ID: name = Qcursor; break; | |
4577 | case MOUSE_FACE_ID: name = Qmouse; break; | |
4578 | case MENU_FACE_ID: name = Qmenu; break; | |
4579 | ||
4580 | default: | |
4581 | abort (); /* the caller is supposed to pass us a basic face id */ | |
4582 | } | |
4583 | ||
4584 | /* Do a quick scan through Vface_remapping_alist, and return immediately | |
4585 | if there is no remapping for face NAME. This is just an optimization | |
4586 | for the very common no-remapping case. */ | |
4587 | mapping = assq_no_quit (name, Vface_remapping_alist); | |
4588 | if (NILP (mapping)) | |
4589 | return face_id; /* Give up. */ | |
4590 | ||
4591 | /* If there is a remapping entry, lookup the face using NAME, which will | |
4592 | handle the remapping too. */ | |
4593 | remapped_face_id = lookup_named_face (f, name, 0); | |
4594 | if (remapped_face_id < 0) | |
4595 | return face_id; /* Give up. */ | |
4596 | ||
4597 | return remapped_face_id; | |
4598 | } | |
4599 | ||
4600 | ||
82641697 GM |
4601 | /* Return a face for charset ASCII that is like the face with id |
4602 | FACE_ID on frame F, but has a font that is STEPS steps smaller. | |
4603 | STEPS < 0 means larger. Value is the id of the face. */ | |
4604 | ||
4605 | int | |
971de7fb | 4606 | smaller_face (struct frame *f, int face_id, int steps) |
39506348 | 4607 | { |
c3cee013 | 4608 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 GM |
4609 | struct face *face; |
4610 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
4611 | int pt, last_pt, last_height; | |
4612 | int delta; | |
4613 | int new_face_id; | |
4614 | struct face *new_face; | |
4615 | ||
4616 | /* If not called for an X frame, just return the original face. */ | |
4617 | if (FRAME_TERMCAP_P (f)) | |
4618 | return face_id; | |
4619 | ||
4620 | /* Try in increments of 1/2 pt. */ | |
4621 | delta = steps < 0 ? 5 : -5; | |
1ea40aa2 | 4622 | steps = eabs (steps); |
178c5d9c | 4623 | |
82641697 | 4624 | face = FACE_FROM_ID (f, face_id); |
72af86bd | 4625 | memcpy (attrs, face->lface, sizeof attrs); |
82641697 GM |
4626 | pt = last_pt = XFASTINT (attrs[LFACE_HEIGHT_INDEX]); |
4627 | new_face_id = face_id; | |
4628 | last_height = FONT_HEIGHT (face->font); | |
4629 | ||
4630 | while (steps | |
4631 | && pt + delta > 0 | |
4632 | /* Give up if we cannot find a font within 10pt. */ | |
1ea40aa2 | 4633 | && eabs (last_pt - pt) < 100) |
82641697 GM |
4634 | { |
4635 | /* Look up a face for a slightly smaller/larger font. */ | |
4636 | pt += delta; | |
4637 | attrs[LFACE_HEIGHT_INDEX] = make_number (pt); | |
af53b43c | 4638 | new_face_id = lookup_face (f, attrs); |
82641697 GM |
4639 | new_face = FACE_FROM_ID (f, new_face_id); |
4640 | ||
4641 | /* If height changes, count that as one step. */ | |
b4c3ca09 GM |
4642 | if ((delta < 0 && FONT_HEIGHT (new_face->font) < last_height) |
4643 | || (delta > 0 && FONT_HEIGHT (new_face->font) > last_height)) | |
82641697 GM |
4644 | { |
4645 | --steps; | |
4646 | last_height = FONT_HEIGHT (new_face->font); | |
4647 | last_pt = pt; | |
4648 | } | |
4649 | } | |
4650 | ||
4651 | return new_face_id; | |
4652 | ||
c3cee013 | 4653 | #else /* not HAVE_WINDOW_SYSTEM */ |
82641697 GM |
4654 | |
4655 | return face_id; | |
178c5d9c | 4656 | |
c3cee013 | 4657 | #endif /* not HAVE_WINDOW_SYSTEM */ |
82641697 GM |
4658 | } |
4659 | ||
4660 | ||
4661 | /* Return a face for charset ASCII that is like the face with id | |
4662 | FACE_ID on frame F, but has height HEIGHT. */ | |
4663 | ||
4664 | int | |
971de7fb | 4665 | face_with_height (struct frame *f, int face_id, int height) |
82641697 | 4666 | { |
c3cee013 | 4667 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 GM |
4668 | struct face *face; |
4669 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
4670 | ||
4671 | if (FRAME_TERMCAP_P (f) | |
4672 | || height <= 0) | |
4673 | return face_id; | |
4674 | ||
4675 | face = FACE_FROM_ID (f, face_id); | |
72af86bd | 4676 | memcpy (attrs, face->lface, sizeof attrs); |
82641697 | 4677 | attrs[LFACE_HEIGHT_INDEX] = make_number (height); |
a8c0cc18 | 4678 | font_clear_prop (attrs, FONT_SIZE_INDEX); |
af53b43c | 4679 | face_id = lookup_face (f, attrs); |
c3cee013 | 4680 | #endif /* HAVE_WINDOW_SYSTEM */ |
178c5d9c | 4681 | |
82641697 GM |
4682 | return face_id; |
4683 | } | |
4684 | ||
b5de343d | 4685 | |
44747bd0 | 4686 | /* Return the face id of the realized face for named face SYMBOL on |
af53b43c KH |
4687 | frame F suitable for displaying ASCII characters, and use |
4688 | attributes of the face FACE_ID for attributes that aren't | |
4689 | completely specified by SYMBOL. This is like lookup_named_face, | |
4690 | except that the default attributes come from FACE_ID, not from the | |
4691 | default face. FACE_ID is assumed to be already realized. */ | |
44747bd0 EZ |
4692 | |
4693 | int | |
971de7fb | 4694 | lookup_derived_face (struct frame *f, Lisp_Object symbol, int face_id, int signal_p) |
44747bd0 | 4695 | { |
e7d7fd8c | 4696 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
44747bd0 EZ |
4697 | Lisp_Object symbol_attrs[LFACE_VECTOR_SIZE]; |
4698 | struct face *default_face = FACE_FROM_ID (f, face_id); | |
4699 | ||
4700 | if (!default_face) | |
4701 | abort (); | |
4702 | ||
d8453278 CY |
4703 | if (!get_lface_attributes (f, symbol, symbol_attrs, signal_p, 0)) |
4704 | return -1; | |
4705 | ||
72af86bd | 4706 | memcpy (attrs, default_face->lface, sizeof attrs); |
e7d7fd8c | 4707 | merge_face_vectors (f, symbol_attrs, attrs, 0); |
af53b43c | 4708 | return lookup_face (f, attrs); |
44747bd0 EZ |
4709 | } |
4710 | ||
f6608d5c RS |
4711 | DEFUN ("face-attributes-as-vector", Fface_attributes_as_vector, |
4712 | Sface_attributes_as_vector, 1, 1, 0, | |
4bb962be | 4713 | doc: /* Return a vector of face attributes corresponding to PLIST. */) |
5842a27b | 4714 | (Lisp_Object plist) |
f6608d5c RS |
4715 | { |
4716 | Lisp_Object lface; | |
4717 | lface = Fmake_vector (make_number (LFACE_VECTOR_SIZE), | |
4718 | Qunspecified); | |
a0a23346 MB |
4719 | merge_face_ref (XFRAME (selected_frame), plist, XVECTOR (lface)->contents, |
4720 | 1, 0); | |
f6608d5c RS |
4721 | return lface; |
4722 | } | |
4723 | ||
82641697 GM |
4724 | |
4725 | \f | |
9717e36c MB |
4726 | /*********************************************************************** |
4727 | Face capability testing | |
4728 | ***********************************************************************/ | |
4729 | ||
4730 | ||
4731 | /* If the distance (as returned by color_distance) between two colors is | |
4732 | less than this, then they are considered the same, for determining | |
4733 | whether a color is supported or not. The range of values is 0-65535. */ | |
4734 | ||
4735 | #define TTY_SAME_COLOR_THRESHOLD 10000 | |
4736 | ||
ccda4e3c | 4737 | #ifdef HAVE_WINDOW_SYSTEM |
9717e36c MB |
4738 | |
4739 | /* Return non-zero if all the face attributes in ATTRS are supported | |
4740 | on the window-system frame F. | |
4741 | ||
4742 | The definition of `supported' is somewhat heuristic, but basically means | |
4743 | that a face containing all the attributes in ATTRS, when merged with the | |
4744 | default face for display, can be represented in a way that's | |
4745 | ||
4746 | \(1) different in appearance than the default face, and | |
8e330b22 | 4747 | \(2) `close in spirit' to what the attributes specify, if not exact. */ |
9717e36c MB |
4748 | |
4749 | static int | |
971de7fb | 4750 | x_supports_face_attributes_p (struct frame *f, Lisp_Object *attrs, struct face *def_face) |
9717e36c | 4751 | { |
8e330b22 | 4752 | Lisp_Object *def_attrs = def_face->lface; |
9717e36c MB |
4753 | |
4754 | /* Check that other specified attributes are different that the default | |
4755 | face. */ | |
4756 | if ((!UNSPECIFIEDP (attrs[LFACE_UNDERLINE_INDEX]) | |
4757 | && face_attr_equal_p (attrs[LFACE_UNDERLINE_INDEX], | |
4758 | def_attrs[LFACE_UNDERLINE_INDEX])) | |
4759 | || (!UNSPECIFIEDP (attrs[LFACE_INVERSE_INDEX]) | |
4760 | && face_attr_equal_p (attrs[LFACE_INVERSE_INDEX], | |
4761 | def_attrs[LFACE_INVERSE_INDEX])) | |
4762 | || (!UNSPECIFIEDP (attrs[LFACE_FOREGROUND_INDEX]) | |
4763 | && face_attr_equal_p (attrs[LFACE_FOREGROUND_INDEX], | |
4764 | def_attrs[LFACE_FOREGROUND_INDEX])) | |
4765 | || (!UNSPECIFIEDP (attrs[LFACE_BACKGROUND_INDEX]) | |
4766 | && face_attr_equal_p (attrs[LFACE_BACKGROUND_INDEX], | |
4767 | def_attrs[LFACE_BACKGROUND_INDEX])) | |
4768 | || (!UNSPECIFIEDP (attrs[LFACE_STIPPLE_INDEX]) | |
4769 | && face_attr_equal_p (attrs[LFACE_STIPPLE_INDEX], | |
4770 | def_attrs[LFACE_STIPPLE_INDEX])) | |
4771 | || (!UNSPECIFIEDP (attrs[LFACE_OVERLINE_INDEX]) | |
4772 | && face_attr_equal_p (attrs[LFACE_OVERLINE_INDEX], | |
4773 | def_attrs[LFACE_OVERLINE_INDEX])) | |
4774 | || (!UNSPECIFIEDP (attrs[LFACE_STRIKE_THROUGH_INDEX]) | |
4775 | && face_attr_equal_p (attrs[LFACE_STRIKE_THROUGH_INDEX], | |
4776 | def_attrs[LFACE_STRIKE_THROUGH_INDEX])) | |
4777 | || (!UNSPECIFIEDP (attrs[LFACE_BOX_INDEX]) | |
4778 | && face_attr_equal_p (attrs[LFACE_BOX_INDEX], | |
4779 | def_attrs[LFACE_BOX_INDEX]))) | |
4780 | return 0; | |
4781 | ||
4782 | /* Check font-related attributes, as those are the most commonly | |
4783 | "unsupported" on a window-system (because of missing fonts). */ | |
4784 | if (!UNSPECIFIEDP (attrs[LFACE_FAMILY_INDEX]) | |
53aaf1e2 | 4785 | || !UNSPECIFIEDP (attrs[LFACE_FOUNDRY_INDEX]) |
9717e36c MB |
4786 | || !UNSPECIFIEDP (attrs[LFACE_HEIGHT_INDEX]) |
4787 | || !UNSPECIFIEDP (attrs[LFACE_WEIGHT_INDEX]) | |
4788 | || !UNSPECIFIEDP (attrs[LFACE_SLANT_INDEX]) | |
2dee4c0b | 4789 | || !UNSPECIFIEDP (attrs[LFACE_SWIDTH_INDEX])) |
9717e36c | 4790 | { |
327719ee | 4791 | int face_id; |
9717e36c MB |
4792 | struct face *face; |
4793 | Lisp_Object merged_attrs[LFACE_VECTOR_SIZE]; | |
2dee4c0b | 4794 | int i; |
9717e36c | 4795 | |
72af86bd | 4796 | memcpy (merged_attrs, def_attrs, sizeof merged_attrs); |
9717e36c | 4797 | |
a0a23346 | 4798 | merge_face_vectors (f, attrs, merged_attrs, 0); |
9717e36c | 4799 | |
327719ee MB |
4800 | face_id = lookup_face (f, merged_attrs); |
4801 | face = FACE_FROM_ID (f, face_id); | |
9717e36c MB |
4802 | |
4803 | if (! face) | |
2010ba8c | 4804 | error ("Cannot make face"); |
9717e36c | 4805 | |
4fc1984a KH |
4806 | /* If the font is the same, or no font is found, then not |
4807 | supported. */ | |
4808 | if (face->font == def_face->font | |
4809 | || ! face->font) | |
9717e36c | 4810 | return 0; |
2dee4c0b KH |
4811 | for (i = FONT_TYPE_INDEX; i <= FONT_SIZE_INDEX; i++) |
4812 | if (! EQ (face->font->props[i], def_face->font->props[i])) | |
4813 | { | |
4814 | Lisp_Object s1, s2; | |
4815 | ||
4816 | if (i < FONT_FOUNDRY_INDEX || i > FONT_REGISTRY_INDEX | |
4817 | || face->font->driver->case_sensitive) | |
4818 | return 1; | |
4819 | s1 = SYMBOL_NAME (face->font->props[i]); | |
4820 | s2 = SYMBOL_NAME (def_face->font->props[i]); | |
4821 | if (! EQ (Fcompare_strings (s1, make_number (0), Qnil, | |
4822 | s2, make_number (0), Qnil, Qt), Qt)) | |
4823 | return 1; | |
4824 | } | |
4825 | return 0; | |
9717e36c MB |
4826 | } |
4827 | ||
4828 | /* Everything checks out, this face is supported. */ | |
4829 | return 1; | |
4830 | } | |
4831 | ||
ccda4e3c | 4832 | #endif /* HAVE_WINDOW_SYSTEM */ |
9717e36c MB |
4833 | |
4834 | /* Return non-zero if all the face attributes in ATTRS are supported | |
4835 | on the tty frame F. | |
4836 | ||
4837 | The definition of `supported' is somewhat heuristic, but basically means | |
4838 | that a face containing all the attributes in ATTRS, when merged | |
4839 | with the default face for display, can be represented in a way that's | |
4840 | ||
4841 | \(1) different in appearance than the default face, and | |
4842 | \(2) `close in spirit' to what the attributes specify, if not exact. | |
4843 | ||
4844 | Point (2) implies that a `:weight black' attribute will be satisfied | |
4845 | by any terminal that can display bold, and a `:foreground "yellow"' as | |
4846 | long as the terminal can display a yellowish color, but `:slant italic' | |
4847 | will _not_ be satisfied by the tty display code's automatic | |
4848 | substitution of a `dim' face for italic. */ | |
4849 | ||
4850 | static int | |
971de7fb | 4851 | tty_supports_face_attributes_p (struct frame *f, Lisp_Object *attrs, struct face *def_face) |
9717e36c | 4852 | { |
734e9514 | 4853 | int weight; |
9717e36c MB |
4854 | Lisp_Object val, fg, bg; |
4855 | XColor fg_tty_color, fg_std_color; | |
4856 | XColor bg_tty_color, bg_std_color; | |
4857 | unsigned test_caps = 0; | |
8e330b22 | 4858 | Lisp_Object *def_attrs = def_face->lface; |
9717e36c | 4859 | |
9717e36c | 4860 | |
8e330b22 MB |
4861 | /* First check some easy-to-check stuff; ttys support none of the |
4862 | following attributes, so we can just return false if any are requested | |
4863 | (even if `nominal' values are specified, we should still return false, | |
4864 | as that will be the same value that the default face uses). We | |
4865 | consider :slant unsupportable on ttys, even though the face code | |
4866 | actually `fakes' them using a dim attribute if possible. This is | |
4867 | because the faked result is too different from what the face | |
4868 | specifies. */ | |
4869 | if (!UNSPECIFIEDP (attrs[LFACE_FAMILY_INDEX]) | |
53aaf1e2 | 4870 | || !UNSPECIFIEDP (attrs[LFACE_FOUNDRY_INDEX]) |
8e330b22 MB |
4871 | || !UNSPECIFIEDP (attrs[LFACE_STIPPLE_INDEX]) |
4872 | || !UNSPECIFIEDP (attrs[LFACE_HEIGHT_INDEX]) | |
4873 | || !UNSPECIFIEDP (attrs[LFACE_SWIDTH_INDEX]) | |
4874 | || !UNSPECIFIEDP (attrs[LFACE_OVERLINE_INDEX]) | |
4875 | || !UNSPECIFIEDP (attrs[LFACE_STRIKE_THROUGH_INDEX]) | |
4876 | || !UNSPECIFIEDP (attrs[LFACE_BOX_INDEX]) | |
4877 | || !UNSPECIFIEDP (attrs[LFACE_SLANT_INDEX])) | |
9717e36c MB |
4878 | return 0; |
4879 | ||
4880 | ||
4881 | /* Test for terminal `capabilities' (non-color character attributes). */ | |
4882 | ||
4883 | /* font weight (bold/dim) */ | |
337fbd17 CY |
4884 | val = attrs[LFACE_WEIGHT_INDEX]; |
4885 | if (!UNSPECIFIEDP (val) | |
4886 | && (weight = FONT_WEIGHT_NAME_NUMERIC (val), weight >= 0)) | |
9717e36c | 4887 | { |
2dee4c0b | 4888 | int def_weight = FONT_WEIGHT_NAME_NUMERIC (def_attrs[LFACE_WEIGHT_INDEX]); |
8e330b22 | 4889 | |
2dee4c0b | 4890 | if (weight > 100) |
8e330b22 | 4891 | { |
2dee4c0b | 4892 | if (def_weight > 100) |
8e330b22 MB |
4893 | return 0; /* same as default */ |
4894 | test_caps = TTY_CAP_BOLD; | |
4895 | } | |
2dee4c0b | 4896 | else if (weight < 100) |
8e330b22 | 4897 | { |
2dee4c0b | 4898 | if (def_weight < 100) |
8e330b22 MB |
4899 | return 0; /* same as default */ |
4900 | test_caps = TTY_CAP_DIM; | |
4901 | } | |
2dee4c0b | 4902 | else if (def_weight == 100) |
8e330b22 | 4903 | return 0; /* same as default */ |
9717e36c MB |
4904 | } |
4905 | ||
4906 | /* underlining */ | |
4907 | val = attrs[LFACE_UNDERLINE_INDEX]; | |
8e330b22 | 4908 | if (!UNSPECIFIEDP (val)) |
9717e36c MB |
4909 | { |
4910 | if (STRINGP (val)) | |
8e330b22 MB |
4911 | return 0; /* ttys can't use colored underlines */ |
4912 | else if (face_attr_equal_p (val, def_attrs[LFACE_UNDERLINE_INDEX])) | |
4913 | return 0; /* same as default */ | |
9717e36c MB |
4914 | else |
4915 | test_caps |= TTY_CAP_UNDERLINE; | |
4916 | } | |
4917 | ||
4918 | /* inverse video */ | |
4919 | val = attrs[LFACE_INVERSE_INDEX]; | |
8e330b22 MB |
4920 | if (!UNSPECIFIEDP (val)) |
4921 | { | |
a13ab63f | 4922 | if (face_attr_equal_p (val, def_attrs[LFACE_INVERSE_INDEX])) |
8e330b22 MB |
4923 | return 0; /* same as default */ |
4924 | else | |
4925 | test_caps |= TTY_CAP_INVERSE; | |
4926 | } | |
9717e36c MB |
4927 | |
4928 | ||
4929 | /* Color testing. */ | |
4930 | ||
4931 | /* Default the color indices in FG_TTY_COLOR and BG_TTY_COLOR, since | |
4932 | we use them when calling `tty_capable_p' below, even if the face | |
4933 | specifies no colors. */ | |
4934 | fg_tty_color.pixel = FACE_TTY_DEFAULT_FG_COLOR; | |
4935 | bg_tty_color.pixel = FACE_TTY_DEFAULT_BG_COLOR; | |
4936 | ||
4937 | /* Check if foreground color is close enough. */ | |
4938 | fg = attrs[LFACE_FOREGROUND_INDEX]; | |
4939 | if (STRINGP (fg)) | |
4940 | { | |
8e330b22 MB |
4941 | Lisp_Object def_fg = def_attrs[LFACE_FOREGROUND_INDEX]; |
4942 | ||
4943 | if (face_attr_equal_p (fg, def_fg)) | |
4944 | return 0; /* same as default */ | |
4945 | else if (! tty_lookup_color (f, fg, &fg_tty_color, &fg_std_color)) | |
4946 | return 0; /* not a valid color */ | |
9717e36c MB |
4947 | else if (color_distance (&fg_tty_color, &fg_std_color) |
4948 | > TTY_SAME_COLOR_THRESHOLD) | |
8e330b22 MB |
4949 | return 0; /* displayed color is too different */ |
4950 | else | |
4951 | /* Make sure the color is really different than the default. */ | |
4952 | { | |
4953 | XColor def_fg_color; | |
4954 | if (tty_lookup_color (f, def_fg, &def_fg_color, 0) | |
4955 | && (color_distance (&fg_tty_color, &def_fg_color) | |
4956 | <= TTY_SAME_COLOR_THRESHOLD)) | |
4957 | return 0; | |
4958 | } | |
9717e36c MB |
4959 | } |
4960 | ||
4961 | /* Check if background color is close enough. */ | |
4962 | bg = attrs[LFACE_BACKGROUND_INDEX]; | |
4963 | if (STRINGP (bg)) | |
4964 | { | |
a13ab63f | 4965 | Lisp_Object def_bg = def_attrs[LFACE_BACKGROUND_INDEX]; |
8e330b22 MB |
4966 | |
4967 | if (face_attr_equal_p (bg, def_bg)) | |
4968 | return 0; /* same as default */ | |
4969 | else if (! tty_lookup_color (f, bg, &bg_tty_color, &bg_std_color)) | |
4970 | return 0; /* not a valid color */ | |
9717e36c MB |
4971 | else if (color_distance (&bg_tty_color, &bg_std_color) |
4972 | > TTY_SAME_COLOR_THRESHOLD) | |
8e330b22 MB |
4973 | return 0; /* displayed color is too different */ |
4974 | else | |
4975 | /* Make sure the color is really different than the default. */ | |
4976 | { | |
4977 | XColor def_bg_color; | |
4978 | if (tty_lookup_color (f, def_bg, &def_bg_color, 0) | |
4979 | && (color_distance (&bg_tty_color, &def_bg_color) | |
4980 | <= TTY_SAME_COLOR_THRESHOLD)) | |
4981 | return 0; | |
4982 | } | |
9717e36c MB |
4983 | } |
4984 | ||
4985 | /* If both foreground and background are requested, see if the | |
4986 | distance between them is OK. We just check to see if the distance | |
4987 | between the tty's foreground and background is close enough to the | |
4988 | distance between the standard foreground and background. */ | |
4989 | if (STRINGP (fg) && STRINGP (bg)) | |
4990 | { | |
4991 | int delta_delta | |
4992 | = (color_distance (&fg_std_color, &bg_std_color) | |
4993 | - color_distance (&fg_tty_color, &bg_tty_color)); | |
4994 | if (delta_delta > TTY_SAME_COLOR_THRESHOLD | |
4995 | || delta_delta < -TTY_SAME_COLOR_THRESHOLD) | |
4996 | return 0; | |
4997 | } | |
4998 | ||
4999 | ||
5000 | /* See if the capabilities we selected above are supported, with the | |
5001 | given colors. */ | |
5002 | if (test_caps != 0 && | |
3d63dd9d | 5003 | ! tty_capable_p (FRAME_TTY (f), test_caps, fg_tty_color.pixel, bg_tty_color.pixel)) |
9717e36c MB |
5004 | return 0; |
5005 | ||
5006 | ||
5007 | /* Hmmm, everything checks out, this terminal must support this face. */ | |
5008 | return 1; | |
5009 | } | |
5010 | ||
5011 | ||
5012 | DEFUN ("display-supports-face-attributes-p", | |
5013 | Fdisplay_supports_face_attributes_p, Sdisplay_supports_face_attributes_p, | |
5014 | 1, 2, 0, | |
5015 | doc: /* Return non-nil if all the face attributes in ATTRIBUTES are supported. | |
5016 | The optional argument DISPLAY can be a display name, a frame, or | |
9fed2905 | 5017 | nil (meaning the selected frame's display). |
9717e36c MB |
5018 | |
5019 | The definition of `supported' is somewhat heuristic, but basically means | |
5020 | that a face containing all the attributes in ATTRIBUTES, when merged | |
5021 | with the default face for display, can be represented in a way that's | |
5022 | ||
5023 | \(1) different in appearance than the default face, and | |
5024 | \(2) `close in spirit' to what the attributes specify, if not exact. | |
5025 | ||
5026 | Point (2) implies that a `:weight black' attribute will be satisfied by | |
5027 | any display that can display bold, and a `:foreground \"yellow\"' as long | |
5028 | as it can display a yellowish color, but `:slant italic' will _not_ be | |
5029 | satisfied by the tty display code's automatic substitution of a `dim' | |
9fed2905 | 5030 | face for italic. */) |
5842a27b | 5031 | (Lisp_Object attributes, Lisp_Object display) |
9717e36c | 5032 | { |
221439a0 | 5033 | int supports = 0, i; |
9717e36c MB |
5034 | Lisp_Object frame; |
5035 | struct frame *f; | |
8e330b22 | 5036 | struct face *def_face; |
9717e36c MB |
5037 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
5038 | ||
0722292b MB |
5039 | if (noninteractive || !initialized) |
5040 | /* We may not be able to access low-level face information in batch | |
5041 | mode, or before being dumped, and this function is not going to | |
5042 | be very useful in those cases anyway, so just give up. */ | |
5043 | return Qnil; | |
5044 | ||
9717e36c MB |
5045 | if (NILP (display)) |
5046 | frame = selected_frame; | |
5047 | else if (FRAMEP (display)) | |
5048 | frame = display; | |
5049 | else | |
5050 | { | |
5051 | /* Find any frame on DISPLAY. */ | |
5052 | Lisp_Object fl_tail; | |
5053 | ||
5054 | frame = Qnil; | |
5055 | for (fl_tail = Vframe_list; CONSP (fl_tail); fl_tail = XCDR (fl_tail)) | |
5056 | { | |
5057 | frame = XCAR (fl_tail); | |
5058 | if (!NILP (Fequal (Fcdr (Fassq (Qdisplay, | |
5059 | XFRAME (frame)->param_alist)), | |
5060 | display))) | |
5061 | break; | |
5062 | } | |
5063 | } | |
5064 | ||
5065 | CHECK_LIVE_FRAME (frame); | |
5066 | f = XFRAME (frame); | |
5067 | ||
5068 | for (i = 0; i < LFACE_VECTOR_SIZE; i++) | |
5069 | attrs[i] = Qunspecified; | |
a0a23346 | 5070 | merge_face_ref (f, attributes, attrs, 1, 0); |
9717e36c | 5071 | |
8e330b22 MB |
5072 | def_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); |
5073 | if (def_face == NULL) | |
5074 | { | |
5075 | if (! realize_basic_faces (f)) | |
734e9514 | 5076 | error ("Cannot realize default face"); |
8e330b22 | 5077 | def_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); |
418ca4d2 RS |
5078 | if (def_face == NULL) |
5079 | abort (); /* realize_basic_faces must have set it up */ | |
8e330b22 MB |
5080 | } |
5081 | ||
9717e36c MB |
5082 | /* Dispatch to the appropriate handler. */ |
5083 | if (FRAME_TERMCAP_P (f) || FRAME_MSDOS_P (f)) | |
8e330b22 | 5084 | supports = tty_supports_face_attributes_p (f, attrs, def_face); |
ccda4e3c | 5085 | #ifdef HAVE_WINDOW_SYSTEM |
9717e36c | 5086 | else |
8e330b22 MB |
5087 | supports = x_supports_face_attributes_p (f, attrs, def_face); |
5088 | #endif | |
9717e36c MB |
5089 | |
5090 | return supports ? Qt : Qnil; | |
5091 | } | |
5092 | ||
5093 | \f | |
82641697 GM |
5094 | /*********************************************************************** |
5095 | Font selection | |
5096 | ***********************************************************************/ | |
5097 | ||
2c7d1565 | 5098 | DEFUN ("internal-set-font-selection-order", |
82641697 GM |
5099 | Finternal_set_font_selection_order, |
5100 | Sinternal_set_font_selection_order, 1, 1, 0, | |
7ee72033 | 5101 | doc: /* Set font selection order for face font selection to ORDER. |
228299fa GM |
5102 | ORDER must be a list of length 4 containing the symbols `:width', |
5103 | `:height', `:weight', and `:slant'. Face attributes appearing | |
5104 | first in ORDER are matched first, e.g. if `:height' appears before | |
5105 | `:weight' in ORDER, font selection first tries to find a font with | |
5106 | a suitable height, and then tries to match the font weight. | |
7ee72033 | 5107 | Value is ORDER. */) |
5842a27b | 5108 | (Lisp_Object order) |
82641697 GM |
5109 | { |
5110 | Lisp_Object list; | |
5111 | int i; | |
a08332c0 | 5112 | int indices[DIM (font_sort_order)]; |
178c5d9c | 5113 | |
b7826503 | 5114 | CHECK_LIST (order); |
72af86bd | 5115 | memset (indices, 0, sizeof indices); |
82641697 GM |
5116 | i = 0; |
5117 | ||
5118 | for (list = order; | |
5119 | CONSP (list) && i < DIM (indices); | |
5120 | list = XCDR (list), ++i) | |
5121 | { | |
5122 | Lisp_Object attr = XCAR (list); | |
5123 | int xlfd; | |
5124 | ||
5125 | if (EQ (attr, QCwidth)) | |
5126 | xlfd = XLFD_SWIDTH; | |
5127 | else if (EQ (attr, QCheight)) | |
5128 | xlfd = XLFD_POINT_SIZE; | |
5129 | else if (EQ (attr, QCweight)) | |
5130 | xlfd = XLFD_WEIGHT; | |
5131 | else if (EQ (attr, QCslant)) | |
5132 | xlfd = XLFD_SLANT; | |
5133 | else | |
5134 | break; | |
5135 | ||
5136 | if (indices[i] != 0) | |
5137 | break; | |
5138 | indices[i] = xlfd; | |
5139 | } | |
5140 | ||
a08332c0 | 5141 | if (!NILP (list) || i != DIM (indices)) |
82641697 | 5142 | signal_error ("Invalid font sort order", order); |
a08332c0 GM |
5143 | for (i = 0; i < DIM (font_sort_order); ++i) |
5144 | if (indices[i] == 0) | |
5145 | signal_error ("Invalid font sort order", order); | |
82641697 | 5146 | |
72af86bd | 5147 | if (memcmp (indices, font_sort_order, sizeof indices) != 0) |
82641697 | 5148 | { |
72af86bd | 5149 | memcpy (font_sort_order, indices, sizeof font_sort_order); |
82641697 GM |
5150 | free_all_realized_faces (Qnil); |
5151 | } | |
178c5d9c | 5152 | |
2dee4c0b | 5153 | font_update_sort_order (font_sort_order); |
426b2119 | 5154 | |
82641697 GM |
5155 | return Qnil; |
5156 | } | |
5157 | ||
5158 | ||
5159 | DEFUN ("internal-set-alternative-font-family-alist", | |
5160 | Finternal_set_alternative_font_family_alist, | |
5161 | Sinternal_set_alternative_font_family_alist, 1, 1, 0, | |
c71f3632 | 5162 | doc: /* Define alternative font families to try in face font selection. |
228299fa GM |
5163 | ALIST is an alist of (FAMILY ALTERNATIVE1 ALTERNATIVE2 ...) entries. |
5164 | Each ALTERNATIVE is tried in order if no fonts of font family FAMILY can | |
7ee72033 | 5165 | be found. Value is ALIST. */) |
5842a27b | 5166 | (Lisp_Object alist) |
82641697 | 5167 | { |
a77d5bb2 | 5168 | Lisp_Object entry, tail, tail2; |
53aaf1e2 | 5169 | |
b7826503 | 5170 | CHECK_LIST (alist); |
53aaf1e2 KH |
5171 | alist = Fcopy_sequence (alist); |
5172 | for (tail = alist; CONSP (tail); tail = XCDR (tail)) | |
a77d5bb2 CY |
5173 | { |
5174 | entry = XCAR (tail); | |
5175 | CHECK_LIST (entry); | |
5176 | entry = Fcopy_sequence (entry); | |
5177 | XSETCAR (tail, entry); | |
5178 | for (tail2 = entry; CONSP (tail2); tail2 = XCDR (tail2)) | |
5179 | XSETCAR (tail2, Fintern (XCAR (tail2), Qnil)); | |
5180 | } | |
5181 | ||
82641697 GM |
5182 | Vface_alternative_font_family_alist = alist; |
5183 | free_all_realized_faces (Qnil); | |
5184 | return alist; | |
5185 | } | |
5186 | ||
5187 | ||
32fcc231 GM |
5188 | DEFUN ("internal-set-alternative-font-registry-alist", |
5189 | Finternal_set_alternative_font_registry_alist, | |
5190 | Sinternal_set_alternative_font_registry_alist, 1, 1, 0, | |
e3cd9e7f | 5191 | doc: /* Define alternative font registries to try in face font selection. |
228299fa GM |
5192 | ALIST is an alist of (REGISTRY ALTERNATIVE1 ALTERNATIVE2 ...) entries. |
5193 | Each ALTERNATIVE is tried in order if no fonts of font registry REGISTRY can | |
7ee72033 | 5194 | be found. Value is ALIST. */) |
5842a27b | 5195 | (Lisp_Object alist) |
32fcc231 | 5196 | { |
a77d5bb2 | 5197 | Lisp_Object entry, tail, tail2; |
53aaf1e2 | 5198 | |
b7826503 | 5199 | CHECK_LIST (alist); |
53aaf1e2 KH |
5200 | alist = Fcopy_sequence (alist); |
5201 | for (tail = alist; CONSP (tail); tail = XCDR (tail)) | |
a77d5bb2 CY |
5202 | { |
5203 | entry = XCAR (tail); | |
5204 | CHECK_LIST (entry); | |
5205 | entry = Fcopy_sequence (entry); | |
5206 | XSETCAR (tail, entry); | |
5207 | for (tail2 = entry; CONSP (tail2); tail2 = XCDR (tail2)) | |
5208 | XSETCAR (tail2, Fdowncase (XCAR (tail2))); | |
5209 | } | |
32fcc231 GM |
5210 | Vface_alternative_font_registry_alist = alist; |
5211 | free_all_realized_faces (Qnil); | |
5212 | return alist; | |
5213 | } | |
5214 | ||
5215 | ||
c3cee013 | 5216 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 5217 | |
39506348 KH |
5218 | /* Return the fontset id of the base fontset name or alias name given |
5219 | by the fontset attribute of ATTRS. Value is -1 if the fontset | |
5220 | attribute of ATTRS doesn't name a fontset. */ | |
82641697 GM |
5221 | |
5222 | static int | |
971de7fb | 5223 | face_fontset (Lisp_Object *attrs) |
82641697 | 5224 | { |
39506348 | 5225 | Lisp_Object name; |
178c5d9c | 5226 | |
763bc839 | 5227 | name = attrs[LFACE_FONTSET_INDEX]; |
39506348 KH |
5228 | if (!STRINGP (name)) |
5229 | return -1; | |
5230 | return fs_query_fontset (name, 0); | |
82641697 GM |
5231 | } |
5232 | ||
c3cee013 | 5233 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
5234 | |
5235 | ||
5236 | \f | |
5237 | /*********************************************************************** | |
5238 | Face Realization | |
5239 | ***********************************************************************/ | |
5240 | ||
5241 | /* Realize basic faces on frame F. Value is zero if frame parameters | |
5242 | of F don't contain enough information needed to realize the default | |
5243 | face. */ | |
5244 | ||
5245 | static int | |
971de7fb | 5246 | realize_basic_faces (struct frame *f) |
82641697 GM |
5247 | { |
5248 | int success_p = 0; | |
331379bf | 5249 | int count = SPECPDL_INDEX (); |
17e8204b | 5250 | |
04386463 GM |
5251 | /* Block input here so that we won't be surprised by an X expose |
5252 | event, for instance, without having the faces set up. */ | |
17e8204b | 5253 | BLOCK_INPUT; |
eeffb293 | 5254 | specbind (Qscalable_fonts_allowed, Qt); |
178c5d9c | 5255 | |
82641697 GM |
5256 | if (realize_default_face (f)) |
5257 | { | |
92610620 | 5258 | realize_named_face (f, Qmode_line, MODE_LINE_FACE_ID); |
039b6394 | 5259 | realize_named_face (f, Qmode_line_inactive, MODE_LINE_INACTIVE_FACE_ID); |
9ea173e8 | 5260 | realize_named_face (f, Qtool_bar, TOOL_BAR_FACE_ID); |
4e50fa8b | 5261 | realize_named_face (f, Qfringe, FRINGE_FACE_ID); |
045dee35 | 5262 | realize_named_face (f, Qheader_line, HEADER_LINE_FACE_ID); |
8bd201d6 GM |
5263 | realize_named_face (f, Qscroll_bar, SCROLL_BAR_FACE_ID); |
5264 | realize_named_face (f, Qborder, BORDER_FACE_ID); | |
5265 | realize_named_face (f, Qcursor, CURSOR_FACE_ID); | |
5266 | realize_named_face (f, Qmouse, MOUSE_FACE_ID); | |
c7ae3284 | 5267 | realize_named_face (f, Qmenu, MENU_FACE_ID); |
53abc3bf | 5268 | realize_named_face (f, Qvertical_border, VERTICAL_BORDER_FACE_ID); |
563f68f1 | 5269 | |
b5de343d | 5270 | /* Reflect changes in the `menu' face in menu bars. */ |
ceeda019 | 5271 | if (FRAME_FACE_CACHE (f)->menu_face_changed_p) |
563f68f1 | 5272 | { |
ceeda019 | 5273 | FRAME_FACE_CACHE (f)->menu_face_changed_p = 0; |
563f68f1 | 5274 | #ifdef USE_X_TOOLKIT |
daf01701 KL |
5275 | if (FRAME_WINDOW_P (f)) |
5276 | x_update_menu_appearance (f); | |
a03ad468 | 5277 | #endif |
563f68f1 | 5278 | } |
177c0ea7 | 5279 | |
82641697 GM |
5280 | success_p = 1; |
5281 | } | |
5282 | ||
eeffb293 | 5283 | unbind_to (count, Qnil); |
17e8204b | 5284 | UNBLOCK_INPUT; |
82641697 GM |
5285 | return success_p; |
5286 | } | |
5287 | ||
5288 | ||
5289 | /* Realize the default face on frame F. If the face is not fully | |
5290 | specified, make it fully-specified. Attributes of the default face | |
5291 | that are not explicitly specified are taken from frame parameters. */ | |
5292 | ||
5293 | static int | |
971de7fb | 5294 | realize_default_face (struct frame *f) |
82641697 GM |
5295 | { |
5296 | struct face_cache *c = FRAME_FACE_CACHE (f); | |
5297 | Lisp_Object lface; | |
5298 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
82641697 | 5299 | struct face *face; |
82641697 GM |
5300 | |
5301 | /* If the `default' face is not yet known, create it. */ | |
5302 | lface = lface_from_face_name (f, Qdefault, 0); | |
5303 | if (NILP (lface)) | |
07446869 GM |
5304 | { |
5305 | Lisp_Object frame; | |
5306 | XSETFRAME (frame, f); | |
5307 | lface = Finternal_make_lisp_face (Qdefault, frame); | |
5308 | } | |
5309 | ||
c3cee013 JR |
5310 | #ifdef HAVE_WINDOW_SYSTEM |
5311 | if (FRAME_WINDOW_P (f)) | |
82641697 | 5312 | { |
2dee4c0b KH |
5313 | Lisp_Object font_object; |
5314 | ||
5315 | XSETFONT (font_object, FRAME_FONT (f)); | |
5316 | set_lface_from_font (f, lface, font_object, f->default_face_done_p); | |
5317 | LFACE_FONTSET (lface) = fontset_name (FRAME_FONTSET (f)); | |
a5f696ac | 5318 | f->default_face_done_p = 1; |
82641697 | 5319 | } |
c3cee013 | 5320 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 | 5321 | |
44747bd0 | 5322 | if (!FRAME_WINDOW_P (f)) |
82641697 GM |
5323 | { |
5324 | LFACE_FAMILY (lface) = build_string ("default"); | |
53aaf1e2 | 5325 | LFACE_FOUNDRY (lface) = LFACE_FAMILY (lface); |
82641697 GM |
5326 | LFACE_SWIDTH (lface) = Qnormal; |
5327 | LFACE_HEIGHT (lface) = make_number (1); | |
c1e7532d EZ |
5328 | if (UNSPECIFIEDP (LFACE_WEIGHT (lface))) |
5329 | LFACE_WEIGHT (lface) = Qnormal; | |
5330 | if (UNSPECIFIEDP (LFACE_SLANT (lface))) | |
5331 | LFACE_SLANT (lface) = Qnormal; | |
70d6ecc6 KH |
5332 | if (UNSPECIFIEDP (LFACE_FONTSET (lface))) |
5333 | LFACE_FONTSET (lface) = Qnil; | |
82641697 | 5334 | } |
178c5d9c | 5335 | |
82641697 GM |
5336 | if (UNSPECIFIEDP (LFACE_UNDERLINE (lface))) |
5337 | LFACE_UNDERLINE (lface) = Qnil; | |
178c5d9c | 5338 | |
82641697 GM |
5339 | if (UNSPECIFIEDP (LFACE_OVERLINE (lface))) |
5340 | LFACE_OVERLINE (lface) = Qnil; | |
178c5d9c | 5341 | |
82641697 GM |
5342 | if (UNSPECIFIEDP (LFACE_STRIKE_THROUGH (lface))) |
5343 | LFACE_STRIKE_THROUGH (lface) = Qnil; | |
178c5d9c | 5344 | |
82641697 GM |
5345 | if (UNSPECIFIEDP (LFACE_BOX (lface))) |
5346 | LFACE_BOX (lface) = Qnil; | |
178c5d9c | 5347 | |
82641697 GM |
5348 | if (UNSPECIFIEDP (LFACE_INVERSE (lface))) |
5349 | LFACE_INVERSE (lface) = Qnil; | |
178c5d9c | 5350 | |
82641697 GM |
5351 | if (UNSPECIFIEDP (LFACE_FOREGROUND (lface))) |
5352 | { | |
5353 | /* This function is called so early that colors are not yet | |
5354 | set in the frame parameter list. */ | |
5355 | Lisp_Object color = Fassq (Qforeground_color, f->param_alist); | |
178c5d9c | 5356 | |
82641697 GM |
5357 | if (CONSP (color) && STRINGP (XCDR (color))) |
5358 | LFACE_FOREGROUND (lface) = XCDR (color); | |
c3cee013 | 5359 | else if (FRAME_WINDOW_P (f)) |
82641697 | 5360 | return 0; |
3224dac1 | 5361 | else if (FRAME_INITIAL_P (f) || FRAME_TERMCAP_P (f) || FRAME_MSDOS_P (f)) |
ef917393 | 5362 | LFACE_FOREGROUND (lface) = build_string (unspecified_fg); |
f9d2fdc4 | 5363 | else |
82641697 GM |
5364 | abort (); |
5365 | } | |
178c5d9c | 5366 | |
82641697 GM |
5367 | if (UNSPECIFIEDP (LFACE_BACKGROUND (lface))) |
5368 | { | |
5369 | /* This function is called so early that colors are not yet | |
5370 | set in the frame parameter list. */ | |
5371 | Lisp_Object color = Fassq (Qbackground_color, f->param_alist); | |
5372 | if (CONSP (color) && STRINGP (XCDR (color))) | |
5373 | LFACE_BACKGROUND (lface) = XCDR (color); | |
c3cee013 | 5374 | else if (FRAME_WINDOW_P (f)) |
82641697 | 5375 | return 0; |
3224dac1 | 5376 | else if (FRAME_INITIAL_P (f) || FRAME_TERMCAP_P (f) || FRAME_MSDOS_P (f)) |
ef917393 | 5377 | LFACE_BACKGROUND (lface) = build_string (unspecified_bg); |
f9d2fdc4 | 5378 | else |
82641697 GM |
5379 | abort (); |
5380 | } | |
178c5d9c | 5381 | |
82641697 GM |
5382 | if (UNSPECIFIEDP (LFACE_STIPPLE (lface))) |
5383 | LFACE_STIPPLE (lface) = Qnil; | |
5384 | ||
5385 | /* Realize the face; it must be fully-specified now. */ | |
5386 | xassert (lface_fully_specified_p (XVECTOR (lface)->contents)); | |
5387 | check_lface (lface); | |
72af86bd | 5388 | memcpy (attrs, XVECTOR (lface)->contents, sizeof attrs); |
af53b43c | 5389 | face = realize_face (c, attrs, DEFAULT_FACE_ID); |
4da9c136 KH |
5390 | |
5391 | #ifdef HAVE_WINDOW_SYSTEM | |
41a9b76e | 5392 | #ifdef HAVE_X_WINDOWS |
361c0d6e | 5393 | if (FRAME_X_P (f) && face->font != FRAME_FONT (f)) |
73158a39 CY |
5394 | { |
5395 | /* This can happen when making a frame on a display that does | |
974b73e8 | 5396 | not support the default font. */ |
73158a39 | 5397 | if (!face->font) |
974b73e8 | 5398 | return 0; |
d5ab09cd | 5399 | |
73158a39 | 5400 | /* Otherwise, the font specified for the frame was not |
974b73e8 KL |
5401 | acceptable as a font for the default face (perhaps because |
5402 | auto-scaled fonts are rejected), so we must adjust the frame | |
5403 | font. */ | |
2dee4c0b | 5404 | x_set_font (f, LFACE_FONT (lface), Qnil); |
73158a39 | 5405 | } |
4da9c136 KH |
5406 | #endif /* HAVE_X_WINDOWS */ |
5407 | #endif /* HAVE_WINDOW_SYSTEM */ | |
82641697 GM |
5408 | return 1; |
5409 | } | |
5410 | ||
5411 | ||
5412 | /* Realize basic faces other than the default face in face cache C. | |
5413 | SYMBOL is the face name, ID is the face id the realized face must | |
5414 | have. The default face must have been realized already. */ | |
5415 | ||
5416 | static void | |
971de7fb | 5417 | realize_named_face (struct frame *f, Lisp_Object symbol, int id) |
82641697 | 5418 | { |
e7d7fd8c | 5419 | struct face_cache *c = FRAME_FACE_CACHE (f); |
82641697 GM |
5420 | Lisp_Object lface = lface_from_face_name (f, symbol, 0); |
5421 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
e7d7fd8c | 5422 | Lisp_Object symbol_attrs[LFACE_VECTOR_SIZE]; |
82641697 GM |
5423 | |
5424 | /* The default face must exist and be fully specified. */ | |
f2cec7a9 | 5425 | get_lface_attributes_no_remap (f, Qdefault, attrs, 1); |
82641697 GM |
5426 | check_lface_attrs (attrs); |
5427 | xassert (lface_fully_specified_p (attrs)); | |
5428 | ||
e7d7fd8c | 5429 | /* If SYMBOL isn't know as a face, create it. */ |
82641697 GM |
5430 | if (NILP (lface)) |
5431 | { | |
5432 | Lisp_Object frame; | |
5433 | XSETFRAME (frame, f); | |
5434 | lface = Finternal_make_lisp_face (symbol, frame); | |
5435 | } | |
5436 | ||
5437 | /* Merge SYMBOL's face with the default face. */ | |
f2cec7a9 | 5438 | get_lface_attributes_no_remap (f, symbol, symbol_attrs, 1); |
e7d7fd8c MB |
5439 | merge_face_vectors (f, symbol_attrs, attrs, 0); |
5440 | ||
5441 | /* Realize the face. */ | |
a5a62657 | 5442 | realize_face (c, attrs, id); |
82641697 GM |
5443 | } |
5444 | ||
5445 | ||
5446 | /* Realize the fully-specified face with attributes ATTRS in face | |
af53b43c KH |
5447 | cache CACHE for ASCII characters. If FORMER_FACE_ID is |
5448 | non-negative, it is an ID of face to remove before caching the new | |
5449 | face. Value is a pointer to the newly created realized face. */ | |
82641697 GM |
5450 | |
5451 | static struct face * | |
971de7fb | 5452 | realize_face (struct face_cache *cache, Lisp_Object *attrs, int former_face_id) |
82641697 GM |
5453 | { |
5454 | struct face *face; | |
178c5d9c | 5455 | |
82641697 | 5456 | /* LFACE must be fully specified. */ |
39506348 | 5457 | xassert (cache != NULL); |
82641697 GM |
5458 | check_lface_attrs (attrs); |
5459 | ||
39506348 KH |
5460 | if (former_face_id >= 0 && cache->used > former_face_id) |
5461 | { | |
5462 | /* Remove the former face. */ | |
5463 | struct face *former_face = cache->faces_by_id[former_face_id]; | |
5464 | uncache_face (cache, former_face); | |
5465 | free_realized_face (cache->f, former_face); | |
7c33a057 | 5466 | SET_FRAME_GARBAGED (cache->f); |
39506348 KH |
5467 | } |
5468 | ||
5469 | if (FRAME_WINDOW_P (cache->f)) | |
af53b43c | 5470 | face = realize_x_face (cache, attrs); |
e689ec06 | 5471 | else if (FRAME_TERMCAP_P (cache->f) || FRAME_MSDOS_P (cache->f)) |
af53b43c | 5472 | face = realize_tty_face (cache, attrs); |
d448e982 KL |
5473 | else if (FRAME_INITIAL_P (cache->f)) |
5474 | { | |
5475 | /* Create a dummy face. */ | |
5476 | face = make_realized_face (attrs); | |
5477 | } | |
82641697 GM |
5478 | else |
5479 | abort (); | |
5480 | ||
39506348 KH |
5481 | /* Insert the new face. */ |
5482 | cache_face (cache, face, lface_hash (attrs)); | |
af53b43c KH |
5483 | return face; |
5484 | } | |
5485 | ||
5486 | ||
8c6204de | 5487 | #ifdef HAVE_WINDOW_SYSTEM |
2dee4c0b KH |
5488 | /* Realize the fully-specified face that uses FONT-OBJECT and has the |
5489 | same attributes as BASE_FACE except for the font on frame F. | |
5490 | FONT-OBJECT may be nil, in which case, realized a face of | |
5491 | no-font. */ | |
af53b43c KH |
5492 | |
5493 | static struct face * | |
971de7fb | 5494 | realize_non_ascii_face (struct frame *f, Lisp_Object font_object, struct face *base_face) |
af53b43c KH |
5495 | { |
5496 | struct face_cache *cache = FRAME_FACE_CACHE (f); | |
8f924df7 | 5497 | struct face *face; |
af53b43c KH |
5498 | |
5499 | face = (struct face *) xmalloc (sizeof *face); | |
5500 | *face = *base_face; | |
5501 | face->gc = 0; | |
bdd10de6 | 5502 | face->extra = NULL; |
2dee4c0b KH |
5503 | face->overstrike |
5504 | = (! NILP (font_object) | |
5505 | && FONT_WEIGHT_NAME_NUMERIC (face->lface[LFACE_WEIGHT_INDEX]) > 100 | |
5506 | && FONT_WEIGHT_NUMERIC (font_object) <= 100); | |
af53b43c KH |
5507 | |
5508 | /* Don't try to free the colors copied bitwise from BASE_FACE. */ | |
5509 | face->colors_copied_bitwise_p = 1; | |
2dee4c0b | 5510 | face->font = NILP (font_object) ? NULL : XFONT_OBJECT (font_object); |
af53b43c KH |
5511 | face->gc = 0; |
5512 | ||
5513 | cache_face (cache, face, face->hash); | |
5514 | ||
82641697 GM |
5515 | return face; |
5516 | } | |
8c6204de | 5517 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
5518 | |
5519 | ||
5520 | /* Realize the fully-specified face with attributes ATTRS in face | |
af53b43c KH |
5521 | cache CACHE for ASCII characters. Do it for X frame CACHE->f. If |
5522 | the new face doesn't share font with the default face, a fontname | |
5523 | is allocated from the heap and set in `font_name' of the new face, | |
5524 | but it is not yet loaded here. Value is a pointer to the newly | |
5525 | created realized face. */ | |
82641697 GM |
5526 | |
5527 | static struct face * | |
971de7fb | 5528 | realize_x_face (struct face_cache *cache, Lisp_Object *attrs) |
82641697 | 5529 | { |
7d603e3f | 5530 | struct face *face = NULL; |
c3cee013 | 5531 | #ifdef HAVE_WINDOW_SYSTEM |
7d603e3f | 5532 | struct face *default_face; |
78d2079c | 5533 | struct frame *f; |
82641697 | 5534 | Lisp_Object stipple, overline, strike_through, box; |
82641697 | 5535 | |
39506348 | 5536 | xassert (FRAME_WINDOW_P (cache->f)); |
82641697 GM |
5537 | |
5538 | /* Allocate a new realized face. */ | |
39506348 | 5539 | face = make_realized_face (attrs); |
af53b43c | 5540 | face->ascii_face = face; |
39506348 KH |
5541 | |
5542 | f = cache->f; | |
5543 | ||
82641697 GM |
5544 | /* Determine the font to use. Most of the time, the font will be |
5545 | the same as the font of the default face, so try that first. */ | |
5546 | default_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
5547 | if (default_face | |
82641697 GM |
5548 | && lface_same_font_attributes_p (default_face->lface, attrs)) |
5549 | { | |
5550 | face->font = default_face->font; | |
76f54ecc KH |
5551 | face->fontset |
5552 | = make_fontset_for_ascii_face (f, default_face->fontset, face); | |
82641697 GM |
5553 | } |
5554 | else | |
5555 | { | |
39506348 | 5556 | /* If the face attribute ATTRS specifies a fontset, use it as |
fc8c4797 KH |
5557 | the base of a new realized fontset. Otherwise, use the same |
5558 | base fontset as of the default face. The base determines | |
5559 | registry and encoding of a font. It may also determine | |
5560 | foundry and family. The other fields of font name pattern | |
5561 | are constructed from ATTRS. */ | |
5562 | int fontset = face_fontset (attrs); | |
5563 | ||
af53b43c KH |
5564 | /* If we are realizing the default face, ATTRS should specify a |
5565 | fontset. In other words, if FONTSET is -1, we are not | |
5566 | realizing the default face, thus the default face should have | |
5567 | already been realized. */ | |
5568 | if (fontset == -1) | |
d78494f9 CY |
5569 | { |
5570 | if (default_face) | |
5571 | fontset = default_face->fontset; | |
5572 | if (fontset == -1) | |
5573 | abort (); | |
5574 | } | |
2dee4c0b KH |
5575 | if (! FONT_OBJECT_P (attrs[LFACE_FONT_INDEX])) |
5576 | attrs[LFACE_FONT_INDEX] | |
5577 | = font_load_for_lface (f, attrs, attrs[LFACE_FONT_INDEX]); | |
5578 | if (FONT_OBJECT_P (attrs[LFACE_FONT_INDEX])) | |
5579 | { | |
5580 | face->font = XFONT_OBJECT (attrs[LFACE_FONT_INDEX]); | |
5581 | face->fontset = make_fontset_for_ascii_face (f, fontset, face); | |
5582 | } | |
426b2119 | 5583 | else |
2dee4c0b KH |
5584 | { |
5585 | face->font = NULL; | |
5586 | face->fontset = -1; | |
5587 | } | |
82641697 GM |
5588 | } |
5589 | ||
2dee4c0b KH |
5590 | if (face->font |
5591 | && FONT_WEIGHT_NAME_NUMERIC (attrs[LFACE_WEIGHT_INDEX]) > 100 | |
5592 | && FONT_WEIGHT_NUMERIC (attrs[LFACE_FONT_INDEX]) <= 100) | |
5593 | face->overstrike = 1; | |
5594 | ||
82641697 | 5595 | /* Load colors, and set remaining attributes. */ |
178c5d9c | 5596 | |
82641697 | 5597 | load_face_colors (f, face, attrs); |
660ed669 | 5598 | |
82641697 GM |
5599 | /* Set up box. */ |
5600 | box = attrs[LFACE_BOX_INDEX]; | |
5601 | if (STRINGP (box)) | |
cb637678 | 5602 | { |
82641697 GM |
5603 | /* A simple box of line width 1 drawn in color given by |
5604 | the string. */ | |
5605 | face->box_color = load_color (f, face, attrs[LFACE_BOX_INDEX], | |
5606 | LFACE_BOX_INDEX); | |
5607 | face->box = FACE_SIMPLE_BOX; | |
5608 | face->box_line_width = 1; | |
cb637678 | 5609 | } |
82641697 | 5610 | else if (INTEGERP (box)) |
42120bc7 | 5611 | { |
82641697 GM |
5612 | /* Simple box of specified line width in foreground color of the |
5613 | face. */ | |
89624b8b | 5614 | xassert (XINT (box) != 0); |
82641697 | 5615 | face->box = FACE_SIMPLE_BOX; |
89624b8b | 5616 | face->box_line_width = XINT (box); |
82641697 GM |
5617 | face->box_color = face->foreground; |
5618 | face->box_color_defaulted_p = 1; | |
5619 | } | |
5620 | else if (CONSP (box)) | |
5621 | { | |
5622 | /* `(:width WIDTH :color COLOR :shadow SHADOW)'. SHADOW | |
5623 | being one of `raised' or `sunken'. */ | |
5624 | face->box = FACE_SIMPLE_BOX; | |
5625 | face->box_color = face->foreground; | |
5626 | face->box_color_defaulted_p = 1; | |
5627 | face->box_line_width = 1; | |
5628 | ||
5629 | while (CONSP (box)) | |
42120bc7 | 5630 | { |
82641697 GM |
5631 | Lisp_Object keyword, value; |
5632 | ||
5633 | keyword = XCAR (box); | |
5634 | box = XCDR (box); | |
5635 | ||
5636 | if (!CONSP (box)) | |
5637 | break; | |
5638 | value = XCAR (box); | |
5639 | box = XCDR (box); | |
5640 | ||
5641 | if (EQ (keyword, QCline_width)) | |
5642 | { | |
89624b8b KH |
5643 | if (INTEGERP (value) && XINT (value) != 0) |
5644 | face->box_line_width = XINT (value); | |
82641697 GM |
5645 | } |
5646 | else if (EQ (keyword, QCcolor)) | |
5647 | { | |
5648 | if (STRINGP (value)) | |
5649 | { | |
5650 | face->box_color = load_color (f, face, value, | |
5651 | LFACE_BOX_INDEX); | |
5652 | face->use_box_color_for_shadows_p = 1; | |
5653 | } | |
5654 | } | |
5655 | else if (EQ (keyword, QCstyle)) | |
a8517066 | 5656 | { |
82641697 GM |
5657 | if (EQ (value, Qreleased_button)) |
5658 | face->box = FACE_RAISED_BOX; | |
5659 | else if (EQ (value, Qpressed_button)) | |
5660 | face->box = FACE_SUNKEN_BOX; | |
a8517066 | 5661 | } |
42120bc7 RS |
5662 | } |
5663 | } | |
195f798e | 5664 | |
82641697 | 5665 | /* Text underline, overline, strike-through. */ |
178c5d9c | 5666 | |
82641697 | 5667 | if (EQ (attrs[LFACE_UNDERLINE_INDEX], Qt)) |
178c5d9c | 5668 | { |
82641697 GM |
5669 | /* Use default color (same as foreground color). */ |
5670 | face->underline_p = 1; | |
5671 | face->underline_defaulted_p = 1; | |
5672 | face->underline_color = 0; | |
5673 | } | |
5674 | else if (STRINGP (attrs[LFACE_UNDERLINE_INDEX])) | |
195f798e | 5675 | { |
82641697 GM |
5676 | /* Use specified color. */ |
5677 | face->underline_p = 1; | |
5678 | face->underline_defaulted_p = 0; | |
5679 | face->underline_color | |
5680 | = load_color (f, face, attrs[LFACE_UNDERLINE_INDEX], | |
5681 | LFACE_UNDERLINE_INDEX); | |
195f798e | 5682 | } |
82641697 | 5683 | else if (NILP (attrs[LFACE_UNDERLINE_INDEX])) |
7b00de84 | 5684 | { |
82641697 GM |
5685 | face->underline_p = 0; |
5686 | face->underline_defaulted_p = 0; | |
5687 | face->underline_color = 0; | |
7b00de84 JB |
5688 | } |
5689 | ||
82641697 GM |
5690 | overline = attrs[LFACE_OVERLINE_INDEX]; |
5691 | if (STRINGP (overline)) | |
cb637678 | 5692 | { |
82641697 GM |
5693 | face->overline_color |
5694 | = load_color (f, face, attrs[LFACE_OVERLINE_INDEX], | |
5695 | LFACE_OVERLINE_INDEX); | |
5696 | face->overline_p = 1; | |
cb637678 | 5697 | } |
82641697 | 5698 | else if (EQ (overline, Qt)) |
cb637678 | 5699 | { |
82641697 GM |
5700 | face->overline_color = face->foreground; |
5701 | face->overline_color_defaulted_p = 1; | |
5702 | face->overline_p = 1; | |
cb637678 JB |
5703 | } |
5704 | ||
82641697 GM |
5705 | strike_through = attrs[LFACE_STRIKE_THROUGH_INDEX]; |
5706 | if (STRINGP (strike_through)) | |
5707 | { | |
5708 | face->strike_through_color | |
5709 | = load_color (f, face, attrs[LFACE_STRIKE_THROUGH_INDEX], | |
5710 | LFACE_STRIKE_THROUGH_INDEX); | |
5711 | face->strike_through_p = 1; | |
5712 | } | |
5713 | else if (EQ (strike_through, Qt)) | |
5714 | { | |
5715 | face->strike_through_color = face->foreground; | |
5716 | face->strike_through_color_defaulted_p = 1; | |
5717 | face->strike_through_p = 1; | |
5718 | } | |
867dd159 | 5719 | |
82641697 GM |
5720 | stipple = attrs[LFACE_STIPPLE_INDEX]; |
5721 | if (!NILP (stipple)) | |
5722 | face->stipple = load_pixmap (f, stipple, &face->pixmap_w, &face->pixmap_h); | |
c3cee013 | 5723 | #endif /* HAVE_WINDOW_SYSTEM */ |
660ed669 | 5724 | |
82641697 | 5725 | return face; |
660ed669 JB |
5726 | } |
5727 | ||
729425b1 | 5728 | |
ae4b4ba5 GM |
5729 | /* Map a specified color of face FACE on frame F to a tty color index. |
5730 | IDX is either LFACE_FOREGROUND_INDEX or LFACE_BACKGROUND_INDEX, and | |
5731 | specifies which color to map. Set *DEFAULTED to 1 if mapping to the | |
5732 | default foreground/background colors. */ | |
5733 | ||
5734 | static void | |
971de7fb | 5735 | map_tty_color (struct frame *f, struct face *face, enum lface_attribute_index idx, int *defaulted) |
ae4b4ba5 GM |
5736 | { |
5737 | Lisp_Object frame, color, def; | |
5738 | int foreground_p = idx == LFACE_FOREGROUND_INDEX; | |
a5a62657 PE |
5739 | unsigned long default_pixel = |
5740 | foreground_p ? FACE_TTY_DEFAULT_FG_COLOR : FACE_TTY_DEFAULT_BG_COLOR; | |
5741 | unsigned long pixel = default_pixel; | |
5742 | #ifdef MSDOS | |
5743 | unsigned long default_other_pixel = | |
5744 | foreground_p ? FACE_TTY_DEFAULT_BG_COLOR : FACE_TTY_DEFAULT_FG_COLOR; | |
5745 | #endif | |
ae4b4ba5 GM |
5746 | |
5747 | xassert (idx == LFACE_FOREGROUND_INDEX || idx == LFACE_BACKGROUND_INDEX); | |
5748 | ||
ae4b4ba5 GM |
5749 | XSETFRAME (frame, f); |
5750 | color = face->lface[idx]; | |
177c0ea7 | 5751 | |
ae4b4ba5 | 5752 | if (STRINGP (color) |
d5db4077 | 5753 | && SCHARS (color) |
ae4b4ba5 GM |
5754 | && CONSP (Vtty_defined_color_alist) |
5755 | && (def = assq_no_quit (color, call1 (Qtty_color_alist, frame)), | |
5756 | CONSP (def))) | |
5757 | { | |
5758 | /* Associations in tty-defined-color-alist are of the form | |
5759 | (NAME INDEX R G B). We need the INDEX part. */ | |
5760 | pixel = XINT (XCAR (XCDR (def))); | |
5761 | } | |
5762 | ||
5763 | if (pixel == default_pixel && STRINGP (color)) | |
5764 | { | |
5765 | pixel = load_color (f, face, color, idx); | |
5766 | ||
8d05ec51 | 5767 | #ifdef MSDOS |
ae4b4ba5 GM |
5768 | /* If the foreground of the default face is the default color, |
5769 | use the foreground color defined by the frame. */ | |
ae4b4ba5 GM |
5770 | if (FRAME_MSDOS_P (f)) |
5771 | { | |
ae4b4ba5 GM |
5772 | if (pixel == default_pixel |
5773 | || pixel == FACE_TTY_DEFAULT_COLOR) | |
5774 | { | |
5775 | if (foreground_p) | |
5776 | pixel = FRAME_FOREGROUND_PIXEL (f); | |
5777 | else | |
5778 | pixel = FRAME_BACKGROUND_PIXEL (f); | |
5779 | face->lface[idx] = tty_color_name (f, pixel); | |
5780 | *defaulted = 1; | |
5781 | } | |
5782 | else if (pixel == default_other_pixel) | |
5783 | { | |
5784 | if (foreground_p) | |
5785 | pixel = FRAME_BACKGROUND_PIXEL (f); | |
5786 | else | |
5787 | pixel = FRAME_FOREGROUND_PIXEL (f); | |
5788 | face->lface[idx] = tty_color_name (f, pixel); | |
5789 | *defaulted = 1; | |
5790 | } | |
8d05ec51 JR |
5791 | } |
5792 | #endif /* MSDOS */ | |
ae4b4ba5 GM |
5793 | } |
5794 | ||
5795 | if (foreground_p) | |
5796 | face->foreground = pixel; | |
5797 | else | |
5798 | face->background = pixel; | |
5799 | } | |
5800 | ||
5801 | ||
82641697 | 5802 | /* Realize the fully-specified face with attributes ATTRS in face |
af53b43c KH |
5803 | cache CACHE for ASCII characters. Do it for TTY frame CACHE->f. |
5804 | Value is a pointer to the newly created realized face. */ | |
a8517066 | 5805 | |
82641697 | 5806 | static struct face * |
971de7fb | 5807 | realize_tty_face (struct face_cache *cache, Lisp_Object *attrs) |
82641697 GM |
5808 | { |
5809 | struct face *face; | |
5810 | int weight, slant; | |
2d764c78 | 5811 | int face_colors_defaulted = 0; |
ae4b4ba5 | 5812 | struct frame *f = cache->f; |
729425b1 | 5813 | |
82641697 | 5814 | /* Frame must be a termcap frame. */ |
e689ec06 | 5815 | xassert (FRAME_TERMCAP_P (cache->f) || FRAME_MSDOS_P (cache->f)); |
178c5d9c | 5816 | |
82641697 | 5817 | /* Allocate a new realized face. */ |
39506348 | 5818 | face = make_realized_face (attrs); |
2dee4c0b | 5819 | #if 0 |
e689ec06 | 5820 | face->font_name = FRAME_MSDOS_P (cache->f) ? "ms-dos" : "tty"; |
2dee4c0b | 5821 | #endif |
82641697 | 5822 | |
178c5d9c | 5823 | /* Map face attributes to TTY appearances. We map slant to |
82641697 GM |
5824 | dimmed text because we want italic text to appear differently |
5825 | and because dimmed text is probably used infrequently. */ | |
2dee4c0b KH |
5826 | weight = FONT_WEIGHT_NAME_NUMERIC (attrs[LFACE_WEIGHT_INDEX]); |
5827 | slant = FONT_SLANT_NAME_NUMERIC (attrs[LFACE_SLANT_INDEX]); | |
5828 | if (weight > 100) | |
82641697 | 5829 | face->tty_bold_p = 1; |
2dee4c0b | 5830 | if (weight < 100 || slant != 100) |
82641697 GM |
5831 | face->tty_dim_p = 1; |
5832 | if (!NILP (attrs[LFACE_UNDERLINE_INDEX])) | |
5833 | face->tty_underline_p = 1; | |
5834 | if (!NILP (attrs[LFACE_INVERSE_INDEX])) | |
5835 | face->tty_reverse_p = 1; | |
5836 | ||
5837 | /* Map color names to color indices. */ | |
ae4b4ba5 GM |
5838 | map_tty_color (f, face, LFACE_FOREGROUND_INDEX, &face_colors_defaulted); |
5839 | map_tty_color (f, face, LFACE_BACKGROUND_INDEX, &face_colors_defaulted); | |
177c0ea7 | 5840 | |
2d764c78 EZ |
5841 | /* Swap colors if face is inverse-video. If the colors are taken |
5842 | from the frame colors, they are already inverted, since the | |
5843 | frame-creation function calls x-handle-reverse-video. */ | |
5844 | if (face->tty_reverse_p && !face_colors_defaulted) | |
44747bd0 EZ |
5845 | { |
5846 | unsigned long tem = face->foreground; | |
44747bd0 EZ |
5847 | face->foreground = face->background; |
5848 | face->background = tem; | |
5849 | } | |
44747bd0 | 5850 | |
a4a76b61 GM |
5851 | if (tty_suppress_bold_inverse_default_colors_p |
5852 | && face->tty_bold_p | |
5853 | && face->background == FACE_TTY_DEFAULT_FG_COLOR | |
5854 | && face->foreground == FACE_TTY_DEFAULT_BG_COLOR) | |
5855 | face->tty_bold_p = 0; | |
5856 | ||
82641697 | 5857 | return face; |
729425b1 | 5858 | } |
867dd159 | 5859 | |
82641697 | 5860 | |
a4a76b61 GM |
5861 | DEFUN ("tty-suppress-bold-inverse-default-colors", |
5862 | Ftty_suppress_bold_inverse_default_colors, | |
5863 | Stty_suppress_bold_inverse_default_colors, 1, 1, 0, | |
e3cd9e7f | 5864 | doc: /* Suppress/allow boldness of faces with inverse default colors. |
228299fa GM |
5865 | SUPPRESS non-nil means suppress it. |
5866 | This affects bold faces on TTYs whose foreground is the default background | |
5867 | color of the display and whose background is the default foreground color. | |
5868 | For such faces, the bold face attribute is ignored if this variable | |
7ee72033 | 5869 | is non-nil. */) |
5842a27b | 5870 | (Lisp_Object suppress) |
a4a76b61 GM |
5871 | { |
5872 | tty_suppress_bold_inverse_default_colors_p = !NILP (suppress); | |
5873 | ++face_change_count; | |
5874 | return suppress; | |
5875 | } | |
5876 | ||
5877 | ||
82641697 GM |
5878 | \f |
5879 | /*********************************************************************** | |
5880 | Computing Faces | |
5881 | ***********************************************************************/ | |
5882 | ||
5883 | /* Return the ID of the face to use to display character CH with face | |
5884 | property PROP on frame F in current_buffer. */ | |
2e16580f RS |
5885 | |
5886 | int | |
971de7fb | 5887 | compute_char_face (struct frame *f, int ch, Lisp_Object prop) |
2e16580f | 5888 | { |
82641697 | 5889 | int face_id; |
39506348 | 5890 | |
4b4deea2 | 5891 | if (NILP (BVAR (current_buffer, enable_multibyte_characters))) |
522d42f7 | 5892 | ch = 0; |
178c5d9c | 5893 | |
82641697 | 5894 | if (NILP (prop)) |
39506348 KH |
5895 | { |
5896 | struct face *face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
779c6fb6 | 5897 | face_id = FACE_FOR_CHAR (f, face, ch, -1, Qnil); |
39506348 | 5898 | } |
82641697 | 5899 | else |
2e16580f | 5900 | { |
82641697 GM |
5901 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
5902 | struct face *default_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
72af86bd | 5903 | memcpy (attrs, default_face->lface, sizeof attrs); |
a0a23346 | 5904 | merge_face_ref (f, prop, attrs, 1, 0); |
af53b43c | 5905 | face_id = lookup_face (f, attrs); |
2e16580f RS |
5906 | } |
5907 | ||
82641697 | 5908 | return face_id; |
2e16580f | 5909 | } |
bc0db68d | 5910 | |
82641697 GM |
5911 | /* Return the face ID associated with buffer position POS for |
5912 | displaying ASCII characters. Return in *ENDPTR the position at | |
5913 | which a different face is needed, as far as text properties and | |
5914 | overlays are concerned. W is a window displaying current_buffer. | |
5915 | ||
5916 | REGION_BEG, REGION_END delimit the region, so it can be | |
5917 | highlighted. | |
6f134486 | 5918 | |
82641697 GM |
5919 | LIMIT is a position not to scan beyond. That is to limit the time |
5920 | this function can take. | |
5921 | ||
5922 | If MOUSE is non-zero, use the character's mouse-face, not its face. | |
5923 | ||
6970f632 CY |
5924 | BASE_FACE_ID, if non-negative, specifies a base face id to use |
5925 | instead of DEFAULT_FACE_ID. | |
5926 | ||
39506348 | 5927 | The face returned is suitable for displaying ASCII characters. */ |
bc0db68d | 5928 | |
cb637678 | 5929 | int |
d5a3eaaf AS |
5930 | face_at_buffer_position (struct window *w, EMACS_INT pos, |
5931 | EMACS_INT region_beg, EMACS_INT region_end, | |
5932 | EMACS_INT *endptr, EMACS_INT limit, | |
5933 | int mouse, int base_face_id) | |
7b7739b1 | 5934 | { |
82641697 GM |
5935 | struct frame *f = XFRAME (w->frame); |
5936 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
b6d40e46 | 5937 | Lisp_Object prop, position; |
b081724f | 5938 | ptrdiff_t i, noverlays; |
7b7739b1 | 5939 | Lisp_Object *overlay_vec; |
f211082d | 5940 | Lisp_Object frame; |
0f8b27ea | 5941 | EMACS_INT endpos; |
82641697 GM |
5942 | Lisp_Object propname = mouse ? Qmouse_face : Qface; |
5943 | Lisp_Object limit1, end; | |
5944 | struct face *default_face; | |
f6b98e0b JB |
5945 | |
5946 | /* W must display the current buffer. We could write this function | |
5947 | to use the frame and buffer of W, but right now it doesn't. */ | |
060fb5c1 | 5948 | /* xassert (XBUFFER (w->buffer) == current_buffer); */ |
f211082d | 5949 | |
ac22a6c4 | 5950 | XSETFRAME (frame, f); |
82641697 | 5951 | XSETFASTINT (position, pos); |
7b7739b1 | 5952 | |
f6b98e0b | 5953 | endpos = ZV; |
bc0db68d RS |
5954 | if (pos < region_beg && region_beg < endpos) |
5955 | endpos = region_beg; | |
f6b98e0b | 5956 | |
82641697 GM |
5957 | /* Get the `face' or `mouse_face' text property at POS, and |
5958 | determine the next position at which the property changes. */ | |
6f134486 | 5959 | prop = Fget_text_property (position, propname, w->buffer); |
82641697 GM |
5960 | XSETFASTINT (limit1, (limit < endpos ? limit : endpos)); |
5961 | end = Fnext_single_property_change (position, propname, w->buffer, limit1); | |
5962 | if (INTEGERP (end)) | |
5963 | endpos = XINT (end); | |
6f134486 | 5964 | |
82641697 | 5965 | /* Look at properties from overlays. */ |
b6d40e46 | 5966 | { |
a2bc5bdd | 5967 | EMACS_INT next_overlay; |
b6d40e46 | 5968 | |
0bc90bba | 5969 | GET_OVERLAYS_AT (pos, overlay_vec, noverlays, &next_overlay, 0); |
f6b98e0b JB |
5970 | if (next_overlay < endpos) |
5971 | endpos = next_overlay; | |
b6d40e46 JB |
5972 | } |
5973 | ||
5974 | *endptr = endpos; | |
7b7739b1 | 5975 | |
6970f632 CY |
5976 | default_face = FACE_FROM_ID (f, base_face_id >= 0 ? base_face_id |
5977 | : NILP (Vface_remapping_alist) ? DEFAULT_FACE_ID | |
5978 | : lookup_basic_face (f, DEFAULT_FACE_ID)); | |
178c5d9c | 5979 | |
82641697 GM |
5980 | /* Optimize common cases where we can use the default face. */ |
5981 | if (noverlays == 0 | |
5982 | && NILP (prop) | |
39506348 | 5983 | && !(pos >= region_beg && pos < region_end)) |
f2cec7a9 | 5984 | return default_face->id; |
82641697 GM |
5985 | |
5986 | /* Begin with attributes from the default face. */ | |
72af86bd | 5987 | memcpy (attrs, default_face->lface, sizeof attrs); |
82641697 GM |
5988 | |
5989 | /* Merge in attributes specified via text properties. */ | |
5990 | if (!NILP (prop)) | |
a0a23346 | 5991 | merge_face_ref (f, prop, attrs, 1, 0); |
82641697 GM |
5992 | |
5993 | /* Now merge the overlay data. */ | |
18195655 | 5994 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
18195655 | 5995 | for (i = 0; i < noverlays; i++) |
4699e6d2 | 5996 | { |
18195655 RS |
5997 | Lisp_Object oend; |
5998 | int oendpos; | |
5999 | ||
6000 | prop = Foverlay_get (overlay_vec[i], propname); | |
82641697 | 6001 | if (!NILP (prop)) |
a0a23346 | 6002 | merge_face_ref (f, prop, attrs, 1, 0); |
18195655 RS |
6003 | |
6004 | oend = OVERLAY_END (overlay_vec[i]); | |
6005 | oendpos = OVERLAY_POSITION (oend); | |
6006 | if (oendpos < endpos) | |
6007 | endpos = oendpos; | |
6008 | } | |
6009 | ||
82641697 | 6010 | /* If in the region, merge in the region face. */ |
18195655 RS |
6011 | if (pos >= region_beg && pos < region_end) |
6012 | { | |
a0a23346 | 6013 | merge_named_face (f, Qregion, attrs, 0); |
178c5d9c | 6014 | |
18195655 RS |
6015 | if (region_end < endpos) |
6016 | endpos = region_end; | |
18195655 RS |
6017 | } |
6018 | ||
6019 | *endptr = endpos; | |
6020 | ||
82641697 | 6021 | /* Look up a realized face with the given face attributes, |
39506348 | 6022 | or realize a new one for ASCII characters. */ |
af53b43c | 6023 | return lookup_face (f, attrs); |
18195655 RS |
6024 | } |
6025 | ||
a193ecf1 RS |
6026 | /* Return the face ID at buffer position POS for displaying ASCII |
6027 | characters associated with overlay strings for overlay OVERLAY. | |
6028 | ||
6029 | Like face_at_buffer_position except for OVERLAY. Currently it | |
6030 | simply disregards the `face' properties of all overlays. */ | |
03e1d617 RS |
6031 | |
6032 | int | |
d5a3eaaf AS |
6033 | face_for_overlay_string (struct window *w, EMACS_INT pos, |
6034 | EMACS_INT region_beg, EMACS_INT region_end, | |
6035 | EMACS_INT *endptr, EMACS_INT limit, | |
6036 | int mouse, Lisp_Object overlay) | |
03e1d617 RS |
6037 | { |
6038 | struct frame *f = XFRAME (w->frame); | |
6039 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
6040 | Lisp_Object prop, position; | |
03e1d617 RS |
6041 | Lisp_Object frame; |
6042 | int endpos; | |
6043 | Lisp_Object propname = mouse ? Qmouse_face : Qface; | |
6044 | Lisp_Object limit1, end; | |
6045 | struct face *default_face; | |
6046 | ||
6047 | /* W must display the current buffer. We could write this function | |
6048 | to use the frame and buffer of W, but right now it doesn't. */ | |
6049 | /* xassert (XBUFFER (w->buffer) == current_buffer); */ | |
6050 | ||
6051 | XSETFRAME (frame, f); | |
6052 | XSETFASTINT (position, pos); | |
6053 | ||
6054 | endpos = ZV; | |
6055 | if (pos < region_beg && region_beg < endpos) | |
6056 | endpos = region_beg; | |
6057 | ||
6058 | /* Get the `face' or `mouse_face' text property at POS, and | |
6059 | determine the next position at which the property changes. */ | |
6060 | prop = Fget_text_property (position, propname, w->buffer); | |
6061 | XSETFASTINT (limit1, (limit < endpos ? limit : endpos)); | |
6062 | end = Fnext_single_property_change (position, propname, w->buffer, limit1); | |
6063 | if (INTEGERP (end)) | |
6064 | endpos = XINT (end); | |
6065 | ||
6066 | *endptr = endpos; | |
6067 | ||
6068 | default_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
6069 | ||
6070 | /* Optimize common cases where we can use the default face. */ | |
6071 | if (NILP (prop) | |
6072 | && !(pos >= region_beg && pos < region_end)) | |
6073 | return DEFAULT_FACE_ID; | |
6074 | ||
6075 | /* Begin with attributes from the default face. */ | |
72af86bd | 6076 | memcpy (attrs, default_face->lface, sizeof attrs); |
03e1d617 RS |
6077 | |
6078 | /* Merge in attributes specified via text properties. */ | |
6079 | if (!NILP (prop)) | |
6080 | merge_face_ref (f, prop, attrs, 1, 0); | |
6081 | ||
6082 | /* If in the region, merge in the region face. */ | |
6083 | if (pos >= region_beg && pos < region_end) | |
6084 | { | |
6085 | merge_named_face (f, Qregion, attrs, 0); | |
6086 | ||
6087 | if (region_end < endpos) | |
6088 | endpos = region_end; | |
6089 | } | |
6090 | ||
6091 | *endptr = endpos; | |
6092 | ||
6093 | /* Look up a realized face with the given face attributes, | |
6094 | or realize a new one for ASCII characters. */ | |
ce9c2e7b | 6095 | return lookup_face (f, attrs); |
03e1d617 RS |
6096 | } |
6097 | ||
60573a90 | 6098 | |
82641697 | 6099 | /* Compute the face at character position POS in Lisp string STRING on |
39506348 | 6100 | window W, for ASCII characters. |
7b7739b1 | 6101 | |
82641697 GM |
6102 | If STRING is an overlay string, it comes from position BUFPOS in |
6103 | current_buffer, otherwise BUFPOS is zero to indicate that STRING is | |
6104 | not an overlay string. W must display the current buffer. | |
6105 | REGION_BEG and REGION_END give the start and end positions of the | |
8714a182 GM |
6106 | region; both are -1 if no region is visible. |
6107 | ||
6108 | BASE_FACE_ID is the id of a face to merge with. For strings coming | |
6109 | from overlays or the `display' property it is the face at BUFPOS. | |
178c5d9c | 6110 | |
48a4ca99 GM |
6111 | If MOUSE_P is non-zero, use the character's mouse-face, not its face. |
6112 | ||
82641697 GM |
6113 | Set *ENDPTR to the next position where to check for faces in |
6114 | STRING; -1 if the face is constant from POS to the end of the | |
6115 | string. | |
18195655 | 6116 | |
82641697 | 6117 | Value is the id of the face to use. The face returned is suitable |
39506348 | 6118 | for displaying ASCII characters. */ |
fffc2367 | 6119 | |
82641697 | 6120 | int |
d5a3eaaf AS |
6121 | face_at_string_position (struct window *w, Lisp_Object string, |
6122 | EMACS_INT pos, EMACS_INT bufpos, | |
6123 | EMACS_INT region_beg, EMACS_INT region_end, | |
6124 | EMACS_INT *endptr, enum face_id base_face_id, | |
6125 | int mouse_p) | |
660ed669 | 6126 | { |
82641697 GM |
6127 | Lisp_Object prop, position, end, limit; |
6128 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
6129 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
6130 | struct face *base_face; | |
6131 | int multibyte_p = STRING_MULTIBYTE (string); | |
48a4ca99 | 6132 | Lisp_Object prop_name = mouse_p ? Qmouse_face : Qface; |
82641697 GM |
6133 | |
6134 | /* Get the value of the face property at the current position within | |
6135 | STRING. Value is nil if there is no face property. */ | |
6136 | XSETFASTINT (position, pos); | |
48a4ca99 | 6137 | prop = Fget_text_property (position, prop_name, string); |
82641697 GM |
6138 | |
6139 | /* Get the next position at which to check for faces. Value of end | |
6140 | is nil if face is constant all the way to the end of the string. | |
6141 | Otherwise it is a string position where to check faces next. | |
6142 | Limit is the maximum position up to which to check for property | |
6143 | changes in Fnext_single_property_change. Strings are usually | |
6144 | short, so set the limit to the end of the string. */ | |
d5db4077 | 6145 | XSETFASTINT (limit, SCHARS (string)); |
48a4ca99 | 6146 | end = Fnext_single_property_change (position, prop_name, string, limit); |
82641697 GM |
6147 | if (INTEGERP (end)) |
6148 | *endptr = XFASTINT (end); | |
6149 | else | |
6150 | *endptr = -1; | |
6151 | ||
6152 | base_face = FACE_FROM_ID (f, base_face_id); | |
6153 | xassert (base_face); | |
6154 | ||
6155 | /* Optimize the default case that there is no face property and we | |
6156 | are not in the region. */ | |
6157 | if (NILP (prop) | |
6158 | && (base_face_id != DEFAULT_FACE_ID | |
6159 | /* BUFPOS <= 0 means STRING is not an overlay string, so | |
6160 | that the region doesn't have to be taken into account. */ | |
6161 | || bufpos <= 0 | |
6162 | || bufpos < region_beg | |
6163 | || bufpos >= region_end) | |
6164 | && (multibyte_p | |
6165 | /* We can't realize faces for different charsets differently | |
6166 | if we don't have fonts, so we can stop here if not working | |
6167 | on a window-system frame. */ | |
6168 | || !FRAME_WINDOW_P (f) | |
239f9db9 | 6169 | || FACE_SUITABLE_FOR_ASCII_CHAR_P (base_face, 0))) |
82641697 GM |
6170 | return base_face->id; |
6171 | ||
6172 | /* Begin with attributes from the base face. */ | |
72af86bd | 6173 | memcpy (attrs, base_face->lface, sizeof attrs); |
82641697 GM |
6174 | |
6175 | /* Merge in attributes specified via text properties. */ | |
6176 | if (!NILP (prop)) | |
a0a23346 | 6177 | merge_face_ref (f, prop, attrs, 1, 0); |
82641697 GM |
6178 | |
6179 | /* If in the region, merge in the region face. */ | |
6180 | if (bufpos | |
6181 | && bufpos >= region_beg | |
6182 | && bufpos < region_end) | |
a0a23346 | 6183 | merge_named_face (f, Qregion, attrs, 0); |
660ed669 | 6184 | |
82641697 | 6185 | /* Look up a realized face with the given face attributes, |
39506348 | 6186 | or realize a new one for ASCII characters. */ |
af53b43c | 6187 | return lookup_face (f, attrs); |
660ed669 JB |
6188 | } |
6189 | ||
6190 | ||
fd998c7f KS |
6191 | /* Merge a face into a realized face. |
6192 | ||
6193 | F is frame where faces are (to be) realized. | |
6194 | ||
dc91a0ed KS |
6195 | FACE_NAME is named face to merge. |
6196 | ||
6197 | If FACE_NAME is nil, FACE_ID is face_id of realized face to merge. | |
6198 | ||
6199 | If FACE_NAME is t, FACE_ID is lface_id of face to merge. | |
fd998c7f KS |
6200 | |
6201 | BASE_FACE_ID is realized face to merge into. | |
6202 | ||
dc91a0ed | 6203 | Return new face id. |
fd998c7f KS |
6204 | */ |
6205 | ||
6206 | int | |
9910e595 PE |
6207 | merge_faces (struct frame *f, Lisp_Object face_name, EMACS_INT face_id, |
6208 | int base_face_id) | |
fd998c7f KS |
6209 | { |
6210 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
6211 | struct face *base_face; | |
6212 | ||
6213 | base_face = FACE_FROM_ID (f, base_face_id); | |
6214 | if (!base_face) | |
6215 | return base_face_id; | |
6216 | ||
dc91a0ed KS |
6217 | if (EQ (face_name, Qt)) |
6218 | { | |
6219 | if (face_id < 0 || face_id >= lface_id_to_name_size) | |
6220 | return base_face_id; | |
6221 | face_name = lface_id_to_name[face_id]; | |
d8453278 CY |
6222 | /* When called during make-frame, lookup_derived_face may fail |
6223 | if the faces are uninitialized. Don't signal an error. */ | |
6224 | face_id = lookup_derived_face (f, face_name, base_face_id, 0); | |
6225 | return (face_id >= 0 ? face_id : base_face_id); | |
dc91a0ed KS |
6226 | } |
6227 | ||
fd998c7f | 6228 | /* Begin with attributes from the base face. */ |
72af86bd | 6229 | memcpy (attrs, base_face->lface, sizeof attrs); |
fd998c7f KS |
6230 | |
6231 | if (!NILP (face_name)) | |
6232 | { | |
6233 | if (!merge_named_face (f, face_name, attrs, 0)) | |
6234 | return base_face_id; | |
6235 | } | |
6236 | else | |
6237 | { | |
6238 | struct face *face; | |
dc91a0ed KS |
6239 | if (face_id < 0) |
6240 | return base_face_id; | |
fd998c7f KS |
6241 | face = FACE_FROM_ID (f, face_id); |
6242 | if (!face) | |
6243 | return base_face_id; | |
6244 | merge_face_vectors (f, face->lface, attrs, 0); | |
6245 | } | |
6246 | ||
6247 | /* Look up a realized face with the given face attributes, | |
6248 | or realize a new one for ASCII characters. */ | |
0e3ae538 | 6249 | return lookup_face (f, attrs); |
fd998c7f KS |
6250 | } |
6251 | ||
c115973b | 6252 | \f |
7ded3383 AR |
6253 | |
6254 | #ifndef HAVE_X_WINDOWS | |
6255 | DEFUN ("x-load-color-file", Fx_load_color_file, | |
6256 | Sx_load_color_file, 1, 1, 0, | |
6257 | doc: /* Create an alist of color entries from an external file. | |
6258 | ||
6259 | The file should define one named RGB color per line like so: | |
6260 | R G B name | |
6261 | where R,G,B are numbers between 0 and 255 and name is an arbitrary string. */) | |
5842a27b | 6262 | (Lisp_Object filename) |
7ded3383 AR |
6263 | { |
6264 | FILE *fp; | |
6265 | Lisp_Object cmap = Qnil; | |
6266 | Lisp_Object abspath; | |
6267 | ||
6268 | CHECK_STRING (filename); | |
6269 | abspath = Fexpand_file_name (filename, Qnil); | |
6270 | ||
45763476 | 6271 | fp = fopen (SDATA (abspath), "rt"); |
7ded3383 AR |
6272 | if (fp) |
6273 | { | |
6274 | char buf[512]; | |
6275 | int red, green, blue; | |
6276 | int num; | |
6277 | ||
6278 | BLOCK_INPUT; | |
6279 | ||
6280 | while (fgets (buf, sizeof (buf), fp) != NULL) { | |
6281 | if (sscanf (buf, "%u %u %u %n", &red, &green, &blue, &num) == 3) | |
6282 | { | |
6283 | char *name = buf + num; | |
6284 | num = strlen (name) - 1; | |
40aa3f13 | 6285 | if (num >= 0 && name[num] == '\n') |
7ded3383 AR |
6286 | name[num] = 0; |
6287 | cmap = Fcons (Fcons (build_string (name), | |
dee8cd43 JB |
6288 | #ifdef WINDOWSNT |
6289 | make_number (RGB (red, green, blue))), | |
ebadbfa6 | 6290 | #else |
dee8cd43 | 6291 | make_number ((red << 16) | (green << 8) | blue)), |
ebadbfa6 | 6292 | #endif |
7ded3383 AR |
6293 | cmap); |
6294 | } | |
6295 | } | |
6296 | fclose (fp); | |
6297 | ||
6298 | UNBLOCK_INPUT; | |
6299 | } | |
6300 | ||
6301 | return cmap; | |
6302 | } | |
6303 | #endif | |
6304 | ||
6305 | \f | |
82641697 GM |
6306 | /*********************************************************************** |
6307 | Tests | |
6308 | ***********************************************************************/ | |
c115973b | 6309 | |
82641697 | 6310 | #if GLYPH_DEBUG |
c115973b | 6311 | |
82641697 | 6312 | /* Print the contents of the realized face FACE to stderr. */ |
c115973b | 6313 | |
82641697 | 6314 | static void |
7d7d0045 | 6315 | dump_realized_face (struct face *face) |
82641697 GM |
6316 | { |
6317 | fprintf (stderr, "ID: %d\n", face->id); | |
6318 | #ifdef HAVE_X_WINDOWS | |
2defe37f | 6319 | fprintf (stderr, "gc: %ld\n", (long) face->gc); |
82641697 GM |
6320 | #endif |
6321 | fprintf (stderr, "foreground: 0x%lx (%s)\n", | |
6322 | face->foreground, | |
d5db4077 | 6323 | SDATA (face->lface[LFACE_FOREGROUND_INDEX])); |
82641697 GM |
6324 | fprintf (stderr, "background: 0x%lx (%s)\n", |
6325 | face->background, | |
d5db4077 | 6326 | SDATA (face->lface[LFACE_BACKGROUND_INDEX])); |
2dee4c0b KH |
6327 | if (face->font) |
6328 | fprintf (stderr, "font_name: %s (%s)\n", | |
6329 | SDATA (face->font->props[FONT_NAME_INDEX]), | |
6330 | SDATA (face->lface[LFACE_FAMILY_INDEX])); | |
82641697 GM |
6331 | #ifdef HAVE_X_WINDOWS |
6332 | fprintf (stderr, "font = %p\n", face->font); | |
6333 | #endif | |
82641697 GM |
6334 | fprintf (stderr, "fontset: %d\n", face->fontset); |
6335 | fprintf (stderr, "underline: %d (%s)\n", | |
6336 | face->underline_p, | |
d5db4077 | 6337 | SDATA (Fsymbol_name (face->lface[LFACE_UNDERLINE_INDEX]))); |
82641697 | 6338 | fprintf (stderr, "hash: %d\n", face->hash); |
c115973b JB |
6339 | } |
6340 | ||
6341 | ||
a7ca3326 | 6342 | DEFUN ("dump-face", Fdump_face, Sdump_face, 0, 1, 0, doc: /* */) |
5842a27b | 6343 | (Lisp_Object n) |
c115973b | 6344 | { |
82641697 | 6345 | if (NILP (n)) |
c115973b | 6346 | { |
82641697 | 6347 | int i; |
178c5d9c | 6348 | |
82641697 GM |
6349 | fprintf (stderr, "font selection order: "); |
6350 | for (i = 0; i < DIM (font_sort_order); ++i) | |
6351 | fprintf (stderr, "%d ", font_sort_order[i]); | |
6352 | fprintf (stderr, "\n"); | |
6353 | ||
6354 | fprintf (stderr, "alternative fonts: "); | |
6355 | debug_print (Vface_alternative_font_family_alist); | |
6356 | fprintf (stderr, "\n"); | |
178c5d9c | 6357 | |
c0617987 | 6358 | for (i = 0; i < FRAME_FACE_CACHE (SELECTED_FRAME ())->used; ++i) |
82641697 | 6359 | Fdump_face (make_number (i)); |
c115973b JB |
6360 | } |
6361 | else | |
f5e278c7 | 6362 | { |
82641697 | 6363 | struct face *face; |
b7826503 | 6364 | CHECK_NUMBER (n); |
c0617987 | 6365 | face = FACE_FROM_ID (SELECTED_FRAME (), XINT (n)); |
82641697 GM |
6366 | if (face == NULL) |
6367 | error ("Not a valid face"); | |
6368 | dump_realized_face (face); | |
f5e278c7 | 6369 | } |
178c5d9c | 6370 | |
c115973b JB |
6371 | return Qnil; |
6372 | } | |
b5c53576 | 6373 | |
b5c53576 | 6374 | |
a7ca3326 | 6375 | DEFUN ("show-face-resources", Fshow_face_resources, Sshow_face_resources, |
7ee72033 | 6376 | 0, 0, 0, doc: /* */) |
5842a27b | 6377 | (void) |
b5c53576 | 6378 | { |
82641697 GM |
6379 | fprintf (stderr, "number of colors = %d\n", ncolors_allocated); |
6380 | fprintf (stderr, "number of pixmaps = %d\n", npixmaps_allocated); | |
6381 | fprintf (stderr, "number of GCs = %d\n", ngcs); | |
6382 | return Qnil; | |
b5c53576 RS |
6383 | } |
6384 | ||
82641697 GM |
6385 | #endif /* GLYPH_DEBUG != 0 */ |
6386 | ||
b5c53576 | 6387 | |
c115973b | 6388 | \f |
82641697 GM |
6389 | /*********************************************************************** |
6390 | Initialization | |
6391 | ***********************************************************************/ | |
cb637678 | 6392 | |
c115973b | 6393 | void |
971de7fb | 6394 | syms_of_xfaces (void) |
c115973b | 6395 | { |
d67b4f80 | 6396 | Qface = intern_c_string ("face"); |
f211082d | 6397 | staticpro (&Qface); |
d67b4f80 | 6398 | Qface_no_inherit = intern_c_string ("face-no-inherit"); |
46b00436 | 6399 | staticpro (&Qface_no_inherit); |
d67b4f80 | 6400 | Qbitmap_spec_p = intern_c_string ("bitmap-spec-p"); |
fef04523 | 6401 | staticpro (&Qbitmap_spec_p); |
d67b4f80 | 6402 | Qframe_set_background_mode = intern_c_string ("frame-set-background-mode"); |
c20577bc | 6403 | staticpro (&Qframe_set_background_mode); |
178c5d9c | 6404 | |
82641697 | 6405 | /* Lisp face attribute keywords. */ |
d67b4f80 | 6406 | QCfamily = intern_c_string (":family"); |
82641697 | 6407 | staticpro (&QCfamily); |
d67b4f80 | 6408 | QCheight = intern_c_string (":height"); |
82641697 | 6409 | staticpro (&QCheight); |
d67b4f80 | 6410 | QCweight = intern_c_string (":weight"); |
82641697 | 6411 | staticpro (&QCweight); |
d67b4f80 | 6412 | QCslant = intern_c_string (":slant"); |
82641697 | 6413 | staticpro (&QCslant); |
d67b4f80 | 6414 | QCunderline = intern_c_string (":underline"); |
82641697 | 6415 | staticpro (&QCunderline); |
d67b4f80 | 6416 | QCinverse_video = intern_c_string (":inverse-video"); |
178c5d9c | 6417 | staticpro (&QCinverse_video); |
d67b4f80 | 6418 | QCreverse_video = intern_c_string (":reverse-video"); |
82641697 | 6419 | staticpro (&QCreverse_video); |
d67b4f80 | 6420 | QCforeground = intern_c_string (":foreground"); |
82641697 | 6421 | staticpro (&QCforeground); |
d67b4f80 | 6422 | QCbackground = intern_c_string (":background"); |
82641697 | 6423 | staticpro (&QCbackground); |
d67b4f80 | 6424 | QCstipple = intern_c_string (":stipple"); |
82641697 | 6425 | staticpro (&QCstipple); |
d67b4f80 | 6426 | QCwidth = intern_c_string (":width"); |
82641697 | 6427 | staticpro (&QCwidth); |
d67b4f80 | 6428 | QCfont = intern_c_string (":font"); |
82641697 | 6429 | staticpro (&QCfont); |
d67b4f80 | 6430 | QCfontset = intern_c_string (":fontset"); |
763bc839 | 6431 | staticpro (&QCfontset); |
d67b4f80 | 6432 | QCbold = intern_c_string (":bold"); |
82641697 | 6433 | staticpro (&QCbold); |
d67b4f80 | 6434 | QCitalic = intern_c_string (":italic"); |
82641697 | 6435 | staticpro (&QCitalic); |
d67b4f80 | 6436 | QCoverline = intern_c_string (":overline"); |
82641697 | 6437 | staticpro (&QCoverline); |
d67b4f80 | 6438 | QCstrike_through = intern_c_string (":strike-through"); |
82641697 | 6439 | staticpro (&QCstrike_through); |
d67b4f80 | 6440 | QCbox = intern_c_string (":box"); |
82641697 | 6441 | staticpro (&QCbox); |
d67b4f80 | 6442 | QCinherit = intern_c_string (":inherit"); |
2c20458f | 6443 | staticpro (&QCinherit); |
82641697 GM |
6444 | |
6445 | /* Symbols used for Lisp face attribute values. */ | |
d67b4f80 | 6446 | QCcolor = intern_c_string (":color"); |
82641697 | 6447 | staticpro (&QCcolor); |
d67b4f80 | 6448 | QCline_width = intern_c_string (":line-width"); |
82641697 | 6449 | staticpro (&QCline_width); |
d67b4f80 | 6450 | QCstyle = intern_c_string (":style"); |
82641697 | 6451 | staticpro (&QCstyle); |
d67b4f80 | 6452 | Qreleased_button = intern_c_string ("released-button"); |
82641697 | 6453 | staticpro (&Qreleased_button); |
d67b4f80 | 6454 | Qpressed_button = intern_c_string ("pressed-button"); |
82641697 | 6455 | staticpro (&Qpressed_button); |
d67b4f80 | 6456 | Qnormal = intern_c_string ("normal"); |
82641697 | 6457 | staticpro (&Qnormal); |
d67b4f80 | 6458 | Qultra_light = intern_c_string ("ultra-light"); |
82641697 | 6459 | staticpro (&Qultra_light); |
d67b4f80 | 6460 | Qextra_light = intern_c_string ("extra-light"); |
82641697 | 6461 | staticpro (&Qextra_light); |
d67b4f80 | 6462 | Qlight = intern_c_string ("light"); |
82641697 | 6463 | staticpro (&Qlight); |
d67b4f80 | 6464 | Qsemi_light = intern_c_string ("semi-light"); |
82641697 | 6465 | staticpro (&Qsemi_light); |
d67b4f80 | 6466 | Qsemi_bold = intern_c_string ("semi-bold"); |
82641697 | 6467 | staticpro (&Qsemi_bold); |
d67b4f80 | 6468 | Qbold = intern_c_string ("bold"); |
82641697 | 6469 | staticpro (&Qbold); |
d67b4f80 | 6470 | Qextra_bold = intern_c_string ("extra-bold"); |
82641697 | 6471 | staticpro (&Qextra_bold); |
d67b4f80 | 6472 | Qultra_bold = intern_c_string ("ultra-bold"); |
82641697 | 6473 | staticpro (&Qultra_bold); |
d67b4f80 | 6474 | Qoblique = intern_c_string ("oblique"); |
82641697 | 6475 | staticpro (&Qoblique); |
d67b4f80 | 6476 | Qitalic = intern_c_string ("italic"); |
82641697 | 6477 | staticpro (&Qitalic); |
d67b4f80 | 6478 | Qreverse_oblique = intern_c_string ("reverse-oblique"); |
82641697 | 6479 | staticpro (&Qreverse_oblique); |
d67b4f80 | 6480 | Qreverse_italic = intern_c_string ("reverse-italic"); |
82641697 | 6481 | staticpro (&Qreverse_italic); |
d67b4f80 | 6482 | Qultra_condensed = intern_c_string ("ultra-condensed"); |
82641697 | 6483 | staticpro (&Qultra_condensed); |
d67b4f80 | 6484 | Qextra_condensed = intern_c_string ("extra-condensed"); |
82641697 | 6485 | staticpro (&Qextra_condensed); |
d67b4f80 | 6486 | Qcondensed = intern_c_string ("condensed"); |
82641697 | 6487 | staticpro (&Qcondensed); |
d67b4f80 | 6488 | Qsemi_condensed = intern_c_string ("semi-condensed"); |
82641697 | 6489 | staticpro (&Qsemi_condensed); |
d67b4f80 | 6490 | Qsemi_expanded = intern_c_string ("semi-expanded"); |
82641697 | 6491 | staticpro (&Qsemi_expanded); |
d67b4f80 | 6492 | Qexpanded = intern_c_string ("expanded"); |
82641697 | 6493 | staticpro (&Qexpanded); |
d67b4f80 | 6494 | Qextra_expanded = intern_c_string ("extra-expanded"); |
82641697 | 6495 | staticpro (&Qextra_expanded); |
d67b4f80 | 6496 | Qultra_expanded = intern_c_string ("ultra-expanded"); |
82641697 | 6497 | staticpro (&Qultra_expanded); |
d67b4f80 | 6498 | Qbackground_color = intern_c_string ("background-color"); |
82641697 | 6499 | staticpro (&Qbackground_color); |
d67b4f80 | 6500 | Qforeground_color = intern_c_string ("foreground-color"); |
82641697 | 6501 | staticpro (&Qforeground_color); |
d67b4f80 | 6502 | Qunspecified = intern_c_string ("unspecified"); |
82641697 | 6503 | staticpro (&Qunspecified); |
d67b4f80 | 6504 | Qignore_defface = intern_c_string (":ignore-defface"); |
2ff10663 | 6505 | staticpro (&Qignore_defface); |
82641697 | 6506 | |
d67b4f80 | 6507 | Qface_alias = intern_c_string ("face-alias"); |
92610620 | 6508 | staticpro (&Qface_alias); |
d67b4f80 | 6509 | Qdefault = intern_c_string ("default"); |
82641697 | 6510 | staticpro (&Qdefault); |
d67b4f80 | 6511 | Qtool_bar = intern_c_string ("tool-bar"); |
9ea173e8 | 6512 | staticpro (&Qtool_bar); |
d67b4f80 | 6513 | Qregion = intern_c_string ("region"); |
82641697 | 6514 | staticpro (&Qregion); |
d67b4f80 | 6515 | Qfringe = intern_c_string ("fringe"); |
8bd201d6 | 6516 | staticpro (&Qfringe); |
d67b4f80 | 6517 | Qheader_line = intern_c_string ("header-line"); |
045dee35 | 6518 | staticpro (&Qheader_line); |
d67b4f80 | 6519 | Qscroll_bar = intern_c_string ("scroll-bar"); |
8bd201d6 | 6520 | staticpro (&Qscroll_bar); |
d67b4f80 | 6521 | Qmenu = intern_c_string ("menu"); |
c7ae3284 | 6522 | staticpro (&Qmenu); |
d67b4f80 | 6523 | Qcursor = intern_c_string ("cursor"); |
8bd201d6 | 6524 | staticpro (&Qcursor); |
d67b4f80 | 6525 | Qborder = intern_c_string ("border"); |
8bd201d6 | 6526 | staticpro (&Qborder); |
d67b4f80 | 6527 | Qmouse = intern_c_string ("mouse"); |
8bd201d6 | 6528 | staticpro (&Qmouse); |
d67b4f80 | 6529 | Qmode_line_inactive = intern_c_string ("mode-line-inactive"); |
039b6394 | 6530 | staticpro (&Qmode_line_inactive); |
d67b4f80 | 6531 | Qvertical_border = intern_c_string ("vertical-border"); |
53abc3bf | 6532 | staticpro (&Qvertical_border); |
d67b4f80 | 6533 | Qtty_color_desc = intern_c_string ("tty-color-desc"); |
2d764c78 | 6534 | staticpro (&Qtty_color_desc); |
d67b4f80 | 6535 | Qtty_color_standard_values = intern_c_string ("tty-color-standard-values"); |
b35df831 | 6536 | staticpro (&Qtty_color_standard_values); |
d67b4f80 | 6537 | Qtty_color_by_index = intern_c_string ("tty-color-by-index"); |
2d764c78 | 6538 | staticpro (&Qtty_color_by_index); |
d67b4f80 | 6539 | Qtty_color_alist = intern_c_string ("tty-color-alist"); |
ae4b4ba5 | 6540 | staticpro (&Qtty_color_alist); |
d67b4f80 | 6541 | Qscalable_fonts_allowed = intern_c_string ("scalable-fonts-allowed"); |
eeffb293 | 6542 | staticpro (&Qscalable_fonts_allowed); |
82641697 | 6543 | |
dbc968b8 GM |
6544 | Vparam_value_alist = Fcons (Fcons (Qnil, Qnil), Qnil); |
6545 | staticpro (&Vparam_value_alist); | |
434b9cc5 GM |
6546 | Vface_alternative_font_family_alist = Qnil; |
6547 | staticpro (&Vface_alternative_font_family_alist); | |
32fcc231 GM |
6548 | Vface_alternative_font_registry_alist = Qnil; |
6549 | staticpro (&Vface_alternative_font_registry_alist); | |
434b9cc5 | 6550 | |
82641697 GM |
6551 | defsubr (&Sinternal_make_lisp_face); |
6552 | defsubr (&Sinternal_lisp_face_p); | |
6553 | defsubr (&Sinternal_set_lisp_face_attribute); | |
c3cee013 | 6554 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 6555 | defsubr (&Sinternal_set_lisp_face_attribute_from_resource); |
42608ba8 | 6556 | #endif |
ea4fa0af GM |
6557 | defsubr (&Scolor_gray_p); |
6558 | defsubr (&Scolor_supported_p); | |
7ded3383 AR |
6559 | #ifndef HAVE_X_WINDOWS |
6560 | defsubr (&Sx_load_color_file); | |
6561 | #endif | |
cdfaafa9 MB |
6562 | defsubr (&Sface_attribute_relative_p); |
6563 | defsubr (&Smerge_face_attribute); | |
82641697 GM |
6564 | defsubr (&Sinternal_get_lisp_face_attribute); |
6565 | defsubr (&Sinternal_lisp_face_attribute_values); | |
6566 | defsubr (&Sinternal_lisp_face_equal_p); | |
6567 | defsubr (&Sinternal_lisp_face_empty_p); | |
6568 | defsubr (&Sinternal_copy_lisp_face); | |
6569 | defsubr (&Sinternal_merge_in_global_face); | |
6570 | defsubr (&Sface_font); | |
6571 | defsubr (&Sframe_face_alist); | |
9717e36c | 6572 | defsubr (&Sdisplay_supports_face_attributes_p); |
b35df831 | 6573 | defsubr (&Scolor_distance); |
82641697 GM |
6574 | defsubr (&Sinternal_set_font_selection_order); |
6575 | defsubr (&Sinternal_set_alternative_font_family_alist); | |
32fcc231 | 6576 | defsubr (&Sinternal_set_alternative_font_registry_alist); |
f6608d5c | 6577 | defsubr (&Sface_attributes_as_vector); |
82641697 GM |
6578 | #if GLYPH_DEBUG |
6579 | defsubr (&Sdump_face); | |
6580 | defsubr (&Sshow_face_resources); | |
6581 | #endif /* GLYPH_DEBUG */ | |
6582 | defsubr (&Sclear_face_cache); | |
a4a76b61 | 6583 | defsubr (&Stty_suppress_bold_inverse_default_colors); |
82641697 | 6584 | |
38426dee | 6585 | #if defined DEBUG_X_COLORS && defined HAVE_X_WINDOWS |
08dc08dc GM |
6586 | defsubr (&Sdump_colors); |
6587 | #endif | |
6588 | ||
29208e82 | 6589 | DEFVAR_LISP ("font-list-limit", Vfont_list_limit, |
7ee72033 | 6590 | doc: /* *Limit for font matching. |
228299fa GM |
6591 | If an integer > 0, font matching functions won't load more than |
6592 | that number of fonts when searching for a matching font. */); | |
057df17c GM |
6593 | Vfont_list_limit = make_number (DEFAULT_FONT_LIST_LIMIT); |
6594 | ||
29208e82 | 6595 | DEFVAR_LISP ("face-new-frame-defaults", Vface_new_frame_defaults, |
7ee72033 | 6596 | doc: /* List of global face definitions (for internal use only.) */); |
82641697 | 6597 | Vface_new_frame_defaults = Qnil; |
178c5d9c | 6598 | |
29208e82 | 6599 | DEFVAR_LISP ("face-default-stipple", Vface_default_stipple, |
7ee72033 | 6600 | doc: /* *Default stipple pattern used on monochrome displays. |
228299fa GM |
6601 | This stipple pattern is used on monochrome displays |
6602 | instead of shades of gray for a face background color. | |
6603 | See `set-face-stipple' for possible values for this variable. */); | |
a4ada374 | 6604 | Vface_default_stipple = make_pure_c_string ("gray3"); |
82641697 | 6605 | |
29208e82 | 6606 | DEFVAR_LISP ("tty-defined-color-alist", Vtty_defined_color_alist, |
46710489 GM |
6607 | doc: /* An alist of defined terminal colors and their RGB values. |
6608 | See the docstring of `tty-color-alist' for the details. */); | |
ae4b4ba5 GM |
6609 | Vtty_defined_color_alist = Qnil; |
6610 | ||
29208e82 | 6611 | DEFVAR_LISP ("scalable-fonts-allowed", Vscalable_fonts_allowed, |
7ee72033 | 6612 | doc: /* Allowed scalable fonts. |
228299fa GM |
6613 | A value of nil means don't allow any scalable fonts. |
6614 | A value of t means allow any scalable font. | |
6615 | Otherwise, value must be a list of regular expressions. A font may be | |
6616 | scaled if its name matches a regular expression in the list. | |
6617 | Note that if value is nil, a scalable font might still be used, if no | |
6618 | other font of the appropriate family and registry is available. */); | |
3cf80731 | 6619 | Vscalable_fonts_allowed = Qnil; |
b5c53576 | 6620 | |
29208e82 | 6621 | DEFVAR_LISP ("face-ignored-fonts", Vface_ignored_fonts, |
7ee72033 | 6622 | doc: /* List of ignored fonts. |
228299fa GM |
6623 | Each element is a regular expression that matches names of fonts to |
6624 | ignore. */); | |
c824bfbc KH |
6625 | Vface_ignored_fonts = Qnil; |
6626 | ||
29208e82 | 6627 | DEFVAR_LISP ("face-remapping-alist", Vface_remapping_alist, |
f2cec7a9 MB |
6628 | doc: /* Alist of face remappings. |
6629 | Each element is of the form: | |
6630 | ||
6631 | (FACE REPLACEMENT...), | |
6632 | ||
6633 | which causes display of the face FACE to use REPLACEMENT... instead. | |
635c0aa1 CY |
6634 | REPLACEMENT... is interpreted the same way as the value of a `face' |
6635 | text property: it may be (1) A face name, (2) A list of face names, | |
6636 | (3) A property-list of face attribute/value pairs, or (4) A list of | |
6637 | face names or lists containing face attribute/value pairs. | |
f2cec7a9 MB |
6638 | |
6639 | Multiple entries in REPLACEMENT... are merged together to form the final | |
6640 | result, with faces or attributes earlier in the list taking precedence | |
6641 | over those that are later. | |
6642 | ||
6643 | Face-name remapping cycles are suppressed; recursive references use the | |
6644 | underlying face instead of the remapped face. So a remapping of the form: | |
6645 | ||
6646 | (FACE EXTRA-FACE... FACE) | |
6647 | ||
6648 | or: | |
6649 | ||
6650 | (FACE (FACE-ATTR VAL ...) FACE) | |
6651 | ||
6652 | will cause EXTRA-FACE... or (FACE-ATTR VAL ...) to be _merged_ with the | |
6653 | existing definition of FACE. Note that for the default face, this isn't | |
6654 | necessary, as every face inherits from the default face. | |
6655 | ||
6656 | Making this variable buffer-local is a good way to allow buffer-specific | |
6657 | face definitions. For instance, the mode my-mode could define a face | |
6658 | `my-mode-default', and then in the mode setup function, do: | |
6659 | ||
6660 | (set (make-local-variable 'face-remapping-alist) | |
635c0aa1 CY |
6661 | '((default my-mode-default)))). |
6662 | ||
6663 | Because Emacs normally only redraws screen areas when the underlying | |
6664 | buffer contents change, you may need to call `redraw-display' after | |
6665 | changing this variable for it to take effect. */); | |
f2cec7a9 MB |
6666 | Vface_remapping_alist = Qnil; |
6667 | ||
29208e82 | 6668 | DEFVAR_LISP ("face-font-rescale-alist", Vface_font_rescale_alist, |
f70400f2 | 6669 | doc: /* Alist of fonts vs the rescaling factors. |
96f9306b KH |
6670 | Each element is a cons (FONT-PATTERN . RESCALE-RATIO), where |
6671 | FONT-PATTERN is a font-spec or a regular expression matching a font name, and | |
f70400f2 KH |
6672 | RESCALE-RATIO is a floating point number to specify how much larger |
6673 | \(or smaller) font we should use. For instance, if a face requests | |
6674 | a font of 10 point, we actually use a font of 10 * RESCALE-RATIO point. */); | |
6675 | Vface_font_rescale_alist = Qnil; | |
6676 | ||
c3cee013 | 6677 | #ifdef HAVE_WINDOW_SYSTEM |
fef04523 | 6678 | defsubr (&Sbitmap_spec_p); |
82641697 GM |
6679 | defsubr (&Sx_list_fonts); |
6680 | defsubr (&Sinternal_face_x_get_resource); | |
92610620 | 6681 | defsubr (&Sx_family_fonts); |
32247e3d | 6682 | #endif |
c115973b | 6683 | } |