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82641697 | 1 | /* xfaces.c -- "Face" primitives. |
e9bffc61 | 2 | |
acaf905b | 3 | Copyright (C) 1993-1994, 1998-2012 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 | |
40a8bdf6 | 30 | 2. Font foundry name. |
53aaf1e2 KH |
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 |
e4769531 | 69 | specified, the corresponding 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 */ |
7ee72033 | 207 | |
c115973b | 208 | #include "lisp.h" |
81b39386 | 209 | #include "character.h" |
a8517066 | 210 | #include "charset.h" |
9763806e | 211 | #include "keyboard.h" |
b5c53576 | 212 | #include "frame.h" |
428a555e | 213 | #include "termhooks.h" |
b5c53576 | 214 | |
87485d6f | 215 | #ifdef HAVE_X_WINDOWS |
c115973b | 216 | #include "xterm.h" |
c7ae3284 GM |
217 | #ifdef USE_MOTIF |
218 | #include <Xm/Xm.h> | |
219 | #include <Xm/XmStrDefs.h> | |
220 | #endif /* USE_MOTIF */ | |
d12d0a9b | 221 | #endif /* HAVE_X_WINDOWS */ |
82641697 | 222 | |
87485d6f MW |
223 | #ifdef MSDOS |
224 | #include "dosfns.h" | |
225 | #endif | |
82641697 | 226 | |
17a2cbbd DC |
227 | #ifdef HAVE_WINDOW_SYSTEM |
228 | #include TERM_HEADER | |
c3cee013 | 229 | #include "fontset.h" |
0fda9b75 | 230 | #ifdef HAVE_NTGUI |
9763806e | 231 | #undef FRAME_X_DISPLAY_INFO |
c3cee013 JR |
232 | #define FRAME_X_DISPLAY_INFO FRAME_W32_DISPLAY_INFO |
233 | #define x_display_info w32_display_info | |
c3cee013 | 234 | #define check_x check_w32 |
c3cee013 | 235 | #define GCGraphicsExposures 0 |
0fda9b75 | 236 | #endif /* HAVE_NTGUI */ |
c3cee013 | 237 | |
edfda783 | 238 | #ifdef HAVE_NS |
edfda783 AR |
239 | #undef FRAME_X_DISPLAY_INFO |
240 | #define FRAME_X_DISPLAY_INFO FRAME_NS_DISPLAY_INFO | |
241 | #define x_display_info ns_display_info | |
edfda783 | 242 | #define check_x check_ns |
edfda783 AR |
243 | #define GCGraphicsExposures 0 |
244 | #endif /* HAVE_NS */ | |
17a2cbbd | 245 | #endif /* HAVE_WINDOW_SYSTEM */ |
edfda783 | 246 | |
c115973b | 247 | #include "buffer.h" |
f211082d | 248 | #include "dispextern.h" |
357f32fc | 249 | #include "blockinput.h" |
b6d40e46 | 250 | #include "window.h" |
bde7c500 | 251 | #include "intervals.h" |
28d440ab | 252 | #include "termchar.h" |
c115973b | 253 | |
426b2119 | 254 | #include "font.h" |
426b2119 | 255 | |
87485d6f | 256 | #ifdef HAVE_X_WINDOWS |
82641697 GM |
257 | |
258 | /* Compensate for a bug in Xos.h on some systems, on which it requires | |
657070ac JB |
259 | time.h. On some such systems, Xos.h tries to redefine struct |
260 | timeval and struct timezone if USG is #defined while it is | |
261 | #included. */ | |
657070ac | 262 | |
82641697 | 263 | #ifdef XOS_NEEDS_TIME_H |
e11d186d | 264 | #include <time.h> |
657070ac JB |
265 | #undef USG |
266 | #include <X11/Xos.h> | |
267 | #define USG | |
e11d186d | 268 | #define __TIMEVAL__ |
875975e9 PE |
269 | #if defined USG || defined __TIMEVAL__ /* Don't warn about unused macros. */ |
270 | #endif | |
82641697 GM |
271 | #else /* not XOS_NEEDS_TIME_H */ |
272 | #include <X11/Xos.h> | |
273 | #endif /* not XOS_NEEDS_TIME_H */ | |
e11d186d | 274 | |
82641697 | 275 | #endif /* HAVE_X_WINDOWS */ |
7a4d2269 | 276 | |
620f13b0 | 277 | #include <c-ctype.h> |
c115973b | 278 | |
c660ce4e GM |
279 | /* Number of pt per inch (from the TeXbook). */ |
280 | ||
281 | #define PT_PER_INCH 72.27 | |
282 | ||
82641697 GM |
283 | /* Non-zero if face attribute ATTR is unspecified. */ |
284 | ||
285 | #define UNSPECIFIEDP(ATTR) EQ ((ATTR), Qunspecified) | |
286 | ||
2ff10663 CY |
287 | /* Non-zero if face attribute ATTR is `ignore-defface'. */ |
288 | ||
a3720aa2 | 289 | #define IGNORE_DEFFACE_P(ATTR) EQ ((ATTR), QCignore_defface) |
2ff10663 | 290 | |
82641697 GM |
291 | /* Value is the number of elements of VECTOR. */ |
292 | ||
293 | #define DIM(VECTOR) (sizeof (VECTOR) / sizeof *(VECTOR)) | |
294 | ||
178c5d9c | 295 | /* Size of hash table of realized faces in face caches (should be a |
82641697 GM |
296 | prime number). */ |
297 | ||
298 | #define FACE_CACHE_BUCKETS_SIZE 1001 | |
299 | ||
300 | /* Keyword symbols used for face attribute names. */ | |
301 | ||
955cbe7b PE |
302 | Lisp_Object QCfamily, QCheight, QCweight, QCslant; |
303 | static Lisp_Object QCunderline; | |
304 | static Lisp_Object QCinverse_video, QCstipple; | |
305 | Lisp_Object QCforeground, QCbackground; | |
306 | Lisp_Object QCwidth; | |
307 | static Lisp_Object QCfont, QCbold, QCitalic; | |
308 | static Lisp_Object QCreverse_video; | |
309 | static Lisp_Object QCoverline, QCstrike_through, QCbox, QCinherit; | |
310 | static Lisp_Object QCfontset; | |
82641697 GM |
311 | |
312 | /* Symbols used for attribute values. */ | |
313 | ||
955cbe7b | 314 | Lisp_Object Qnormal; |
cc39a9db | 315 | Lisp_Object Qbold; |
9b0e3eba | 316 | static Lisp_Object Qline, Qwave; |
a411ac43 PE |
317 | static Lisp_Object Qultra_light, Qreverse_oblique, Qreverse_italic; |
318 | Lisp_Object Qextra_light, Qlight; | |
f2045622 | 319 | Lisp_Object Qsemi_light, Qsemi_bold, Qextra_bold, Qultra_bold; |
a411ac43 | 320 | Lisp_Object Qoblique; |
cc39a9db BK |
321 | Lisp_Object Qitalic; |
322 | static Lisp_Object Qultra_condensed, Qextra_condensed; | |
323 | Lisp_Object Qcondensed; | |
324 | static Lisp_Object Qsemi_condensed, Qsemi_expanded, Qextra_expanded; | |
325 | Lisp_Object Qexpanded; | |
955cbe7b PE |
326 | static Lisp_Object Qultra_expanded; |
327 | static Lisp_Object Qreleased_button, Qpressed_button; | |
328 | static Lisp_Object QCstyle, QCcolor, QCline_width; | |
1b2de274 | 329 | Lisp_Object Qunspecified; /* used in dosfns.c */ |
a3720aa2 | 330 | static Lisp_Object QCignore_defface; |
ef917393 EZ |
331 | |
332 | char unspecified_fg[] = "unspecified-fg", unspecified_bg[] = "unspecified-bg"; | |
82641697 | 333 | |
92610620 | 334 | /* The name of the function to call when the background of the frame |
c20577bc | 335 | has changed, frame_set_background_mode. */ |
92610620 | 336 | |
19d5c50c | 337 | static Lisp_Object Qframe_set_background_mode; |
92610620 | 338 | |
82641697 GM |
339 | /* Names of basic faces. */ |
340 | ||
955cbe7b PE |
341 | Lisp_Object Qdefault, Qtool_bar, Qfringe; |
342 | static Lisp_Object Qregion; | |
343 | Lisp_Object Qheader_line, Qscroll_bar, Qcursor; | |
344 | static Lisp_Object Qborder, Qmouse, Qmenu; | |
345 | Lisp_Object Qmode_line_inactive; | |
346 | static Lisp_Object Qvertical_border; | |
8bd201d6 | 347 | |
92610620 GM |
348 | /* The symbol `face-alias'. A symbols having that property is an |
349 | alias for another face. Value of the property is the name of | |
350 | the aliased face. */ | |
351 | ||
955cbe7b | 352 | static Lisp_Object Qface_alias; |
92610620 | 353 | |
82641697 GM |
354 | /* Alist of alternative font families. Each element is of the form |
355 | (FAMILY FAMILY1 FAMILY2 ...). If fonts of FAMILY can't be loaded, | |
356 | try FAMILY1, then FAMILY2, ... */ | |
357 | ||
358 | Lisp_Object Vface_alternative_font_family_alist; | |
359 | ||
32fcc231 GM |
360 | /* Alist of alternative font registries. Each element is of the form |
361 | (REGISTRY REGISTRY1 REGISTRY2...). If fonts of REGISTRY can't be | |
362 | loaded, try REGISTRY1, then REGISTRY2, ... */ | |
363 | ||
364 | Lisp_Object Vface_alternative_font_registry_alist; | |
365 | ||
82641697 GM |
366 | /* Allowed scalable fonts. A value of nil means don't allow any |
367 | scalable fonts. A value of t means allow the use of any scalable | |
368 | font. Otherwise, value must be a list of regular expressions. A | |
369 | font may be scaled if its name matches a regular expression in the | |
370 | list. */ | |
371 | ||
955cbe7b | 372 | static Lisp_Object Qscalable_fonts_allowed; |
c824bfbc | 373 | |
82641697 GM |
374 | /* The symbols `foreground-color' and `background-color' which can be |
375 | used as part of a `face' property. This is for compatibility with | |
376 | Emacs 20.2. */ | |
377 | ||
378 | Lisp_Object Qforeground_color, Qbackground_color; | |
379 | ||
380 | /* The symbols `face' and `mouse-face' used as text properties. */ | |
7b7739b1 | 381 | |
ff83dbb1 | 382 | Lisp_Object Qface; |
82641697 | 383 | |
46b00436 KS |
384 | /* Property for basic faces which other faces cannot inherit. */ |
385 | ||
955cbe7b | 386 | static Lisp_Object Qface_no_inherit; |
46b00436 | 387 | |
82641697 GM |
388 | /* Error symbol for wrong_type_argument in load_pixmap. */ |
389 | ||
955cbe7b | 390 | static Lisp_Object Qbitmap_spec_p; |
f211082d | 391 | |
82641697 | 392 | /* The next ID to assign to Lisp faces. */ |
cb637678 | 393 | |
82641697 | 394 | static int next_lface_id; |
c115973b | 395 | |
82641697 | 396 | /* A vector mapping Lisp face Id's to face names. */ |
c115973b | 397 | |
82641697 | 398 | static Lisp_Object *lface_id_to_name; |
0065d054 | 399 | static ptrdiff_t lface_id_to_name_size; |
c115973b | 400 | |
ae4b4ba5 GM |
401 | /* TTY color-related functions (defined in tty-colors.el). */ |
402 | ||
955cbe7b | 403 | static Lisp_Object Qtty_color_desc, Qtty_color_by_index, Qtty_color_standard_values; |
82641697 | 404 | |
ae4b4ba5 GM |
405 | /* The name of the function used to compute colors on TTYs. */ |
406 | ||
955cbe7b | 407 | static Lisp_Object Qtty_color_alist; |
ae4b4ba5 | 408 | |
82641697 GM |
409 | /* Counter for calls to clear_face_cache. If this counter reaches |
410 | CLEAR_FONT_TABLE_COUNT, and a frame has more than | |
411 | CLEAR_FONT_TABLE_NFONTS load, unused fonts are freed. */ | |
412 | ||
413 | static int clear_font_table_count; | |
414 | #define CLEAR_FONT_TABLE_COUNT 100 | |
415 | #define CLEAR_FONT_TABLE_NFONTS 10 | |
416 | ||
417 | /* Non-zero means face attributes have been changed since the last | |
418 | redisplay. Used in redisplay_internal. */ | |
419 | ||
420 | int face_change_count; | |
421 | ||
a4a76b61 GM |
422 | /* Non-zero means don't display bold text if a face's foreground |
423 | and background colors are the inverse of the default colors of the | |
424 | display. This is a kluge to suppress `bold black' foreground text | |
425 | which is hard to read on an LCD monitor. */ | |
426 | ||
435f4c28 | 427 | static int tty_suppress_bold_inverse_default_colors_p; |
a4a76b61 | 428 | |
dbc968b8 GM |
429 | /* A list of the form `((x . y))' used to avoid consing in |
430 | Finternal_set_lisp_face_attribute. */ | |
431 | ||
432 | static Lisp_Object Vparam_value_alist; | |
433 | ||
82641697 GM |
434 | /* The total number of colors currently allocated. */ |
435 | ||
e509cfa6 | 436 | #ifdef GLYPH_DEBUG |
82641697 GM |
437 | static int ncolors_allocated; |
438 | static int npixmaps_allocated; | |
439 | static int ngcs; | |
440 | #endif | |
441 | ||
ceeda019 GM |
442 | /* Non-zero means the definition of the `menu' face for new frames has |
443 | been changed. */ | |
444 | ||
435f4c28 | 445 | static int menu_face_changed_default; |
82641697 GM |
446 | |
447 | \f | |
448 | /* Function prototypes. */ | |
449 | ||
82641697 | 450 | struct table_entry; |
a0a23346 | 451 | struct named_merge_point; |
82641697 | 452 | |
f57e2426 | 453 | static void set_font_frame_param (Lisp_Object, Lisp_Object); |
f57e2426 | 454 | static struct face *realize_face (struct face_cache *, Lisp_Object *, |
b5f03016 | 455 | int); |
f57e2426 | 456 | static struct face *realize_non_ascii_face (struct frame *, Lisp_Object, |
b5f03016 | 457 | struct face *); |
f57e2426 J |
458 | static struct face *realize_x_face (struct face_cache *, Lisp_Object *); |
459 | static struct face *realize_tty_face (struct face_cache *, Lisp_Object *); | |
460 | static int realize_basic_faces (struct frame *); | |
461 | static int realize_default_face (struct frame *); | |
462 | static void realize_named_face (struct frame *, Lisp_Object, int); | |
f57e2426 J |
463 | static struct face_cache *make_face_cache (struct frame *); |
464 | static void clear_face_gcs (struct face_cache *); | |
465 | static void free_face_cache (struct face_cache *); | |
f57e2426 | 466 | static int merge_face_ref (struct frame *, Lisp_Object, Lisp_Object *, |
b5f03016 | 467 | int, struct named_merge_point *); |
c115973b | 468 | |
cb637678 | 469 | \f |
82641697 GM |
470 | /*********************************************************************** |
471 | Utilities | |
472 | ***********************************************************************/ | |
c115973b | 473 | |
87485d6f | 474 | #ifdef HAVE_X_WINDOWS |
cb637678 | 475 | |
a435fc2a GM |
476 | #ifdef DEBUG_X_COLORS |
477 | ||
478 | /* The following is a poor mans infrastructure for debugging X color | |
479 | allocation problems on displays with PseudoColor-8. Some X servers | |
480 | like 3.3.5 XF86_SVGA with Matrox cards apparently don't implement | |
481 | color reference counts completely so that they don't signal an | |
482 | error when a color is freed whose reference count is already 0. | |
483 | Other X servers do. To help me debug this, the following code | |
484 | implements a simple reference counting schema of its own, for a | |
485 | single display/screen. --gerd. */ | |
486 | ||
487 | /* Reference counts for pixel colors. */ | |
488 | ||
489 | int color_count[256]; | |
490 | ||
491 | /* Register color PIXEL as allocated. */ | |
492 | ||
493 | void | |
1dae0f0a | 494 | register_color (unsigned long pixel) |
a435fc2a | 495 | { |
a54e2c05 | 496 | eassert (pixel < 256); |
a435fc2a GM |
497 | ++color_count[pixel]; |
498 | } | |
499 | ||
500 | ||
501 | /* Register color PIXEL as deallocated. */ | |
502 | ||
503 | void | |
1dae0f0a | 504 | unregister_color (unsigned long pixel) |
a435fc2a | 505 | { |
a54e2c05 | 506 | eassert (pixel < 256); |
a435fc2a GM |
507 | if (color_count[pixel] > 0) |
508 | --color_count[pixel]; | |
509 | else | |
1088b922 | 510 | emacs_abort (); |
a435fc2a GM |
511 | } |
512 | ||
513 | ||
514 | /* Register N colors from PIXELS as deallocated. */ | |
515 | ||
516 | void | |
1dae0f0a | 517 | unregister_colors (unsigned long *pixels, int n) |
a435fc2a GM |
518 | { |
519 | int i; | |
520 | for (i = 0; i < n; ++i) | |
521 | unregister_color (pixels[i]); | |
522 | } | |
523 | ||
08dc08dc | 524 | |
a7ca3326 | 525 | DEFUN ("dump-colors", Fdump_colors, Sdump_colors, 0, 0, 0, |
7ee72033 | 526 | doc: /* Dump currently allocated colors to stderr. */) |
5842a27b | 527 | (void) |
08dc08dc GM |
528 | { |
529 | int i, n; | |
530 | ||
531 | fputc ('\n', stderr); | |
178c5d9c | 532 | |
08dc08dc GM |
533 | for (i = n = 0; i < sizeof color_count / sizeof color_count[0]; ++i) |
534 | if (color_count[i]) | |
535 | { | |
536 | fprintf (stderr, "%3d: %5d", i, color_count[i]); | |
537 | ++n; | |
538 | if (n % 5 == 0) | |
539 | fputc ('\n', stderr); | |
540 | else | |
541 | fputc ('\t', stderr); | |
542 | } | |
543 | ||
544 | if (n % 5 != 0) | |
545 | fputc ('\n', stderr); | |
546 | return Qnil; | |
547 | } | |
548 | ||
a435fc2a GM |
549 | #endif /* DEBUG_X_COLORS */ |
550 | ||
d12d0a9b | 551 | |
1f847cf8 GM |
552 | /* Free colors used on frame F. PIXELS is an array of NPIXELS pixel |
553 | color values. Interrupt input must be blocked when this function | |
554 | is called. */ | |
555 | ||
556 | void | |
971de7fb | 557 | x_free_colors (struct frame *f, long unsigned int *pixels, int npixels) |
1f847cf8 GM |
558 | { |
559 | int class = FRAME_X_DISPLAY_INFO (f)->visual->class; | |
560 | ||
561 | /* If display has an immutable color map, freeing colors is not | |
562 | necessary and some servers don't allow it. So don't do it. */ | |
563 | if (class != StaticColor && class != StaticGray && class != TrueColor) | |
564 | { | |
a435fc2a | 565 | #ifdef DEBUG_X_COLORS |
08dc08dc | 566 | unregister_colors (pixels, npixels); |
a435fc2a | 567 | #endif |
513c5806 GM |
568 | XFreeColors (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), |
569 | pixels, npixels, 0); | |
08dc08dc GM |
570 | } |
571 | } | |
572 | ||
573 | ||
435f4c28 PE |
574 | #ifdef USE_X_TOOLKIT |
575 | ||
08dc08dc GM |
576 | /* Free colors used on frame F. PIXELS is an array of NPIXELS pixel |
577 | color values. Interrupt input must be blocked when this function | |
578 | is called. */ | |
579 | ||
580 | void | |
b5f03016 AS |
581 | x_free_dpy_colors (Display *dpy, Screen *screen, Colormap cmap, |
582 | long unsigned int *pixels, int npixels) | |
08dc08dc GM |
583 | { |
584 | struct x_display_info *dpyinfo = x_display_info_for_display (dpy); | |
585 | int class = dpyinfo->visual->class; | |
586 | ||
587 | /* If display has an immutable color map, freeing colors is not | |
588 | necessary and some servers don't allow it. So don't do it. */ | |
589 | if (class != StaticColor && class != StaticGray && class != TrueColor) | |
590 | { | |
a435fc2a | 591 | #ifdef DEBUG_X_COLORS |
08dc08dc | 592 | unregister_colors (pixels, npixels); |
a435fc2a | 593 | #endif |
513c5806 | 594 | XFreeColors (dpy, cmap, pixels, npixels, 0); |
1f847cf8 GM |
595 | } |
596 | } | |
435f4c28 | 597 | #endif /* USE_X_TOOLKIT */ |
08dc08dc | 598 | |
82641697 GM |
599 | /* Create and return a GC for use on frame F. GC values and mask |
600 | are given by XGCV and MASK. */ | |
601 | ||
b0ab8123 | 602 | static GC |
971de7fb | 603 | x_create_gc (struct frame *f, long unsigned int mask, XGCValues *xgcv) |
c115973b JB |
604 | { |
605 | GC gc; | |
4d7e6e51 | 606 | block_input (); |
82641697 | 607 | gc = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), mask, xgcv); |
4d7e6e51 | 608 | unblock_input (); |
82641697 GM |
609 | IF_DEBUG (++ngcs); |
610 | return gc; | |
611 | } | |
c115973b | 612 | |
42120bc7 | 613 | |
82641697 GM |
614 | /* Free GC which was used on frame F. */ |
615 | ||
b0ab8123 | 616 | static void |
971de7fb | 617 | x_free_gc (struct frame *f, GC gc) |
82641697 | 618 | { |
4d7e6e51 | 619 | eassert (input_blocked_p ()); |
a54e2c05 | 620 | IF_DEBUG (eassert (--ngcs >= 0)); |
82641697 | 621 | XFreeGC (FRAME_X_DISPLAY (f), gc); |
82641697 | 622 | } |
660ed669 | 623 | |
82641697 | 624 | #endif /* HAVE_X_WINDOWS */ |
660ed669 | 625 | |
0fda9b75 | 626 | #ifdef HAVE_NTGUI |
c3cee013 JR |
627 | /* W32 emulation of GCs */ |
628 | ||
b0ab8123 | 629 | static GC |
7c3320d8 | 630 | x_create_gc (struct frame *f, unsigned long mask, XGCValues *xgcv) |
c3cee013 JR |
631 | { |
632 | GC gc; | |
4d7e6e51 | 633 | block_input (); |
c3cee013 | 634 | gc = XCreateGC (NULL, FRAME_W32_WINDOW (f), mask, xgcv); |
4d7e6e51 | 635 | unblock_input (); |
c3cee013 JR |
636 | IF_DEBUG (++ngcs); |
637 | return gc; | |
638 | } | |
639 | ||
640 | ||
641 | /* Free GC which was used on frame F. */ | |
642 | ||
b0ab8123 | 643 | static void |
7c3320d8 | 644 | x_free_gc (struct frame *f, GC gc) |
c3cee013 | 645 | { |
a54e2c05 | 646 | IF_DEBUG (eassert (--ngcs >= 0)); |
c3cee013 | 647 | xfree (gc); |
c3cee013 JR |
648 | } |
649 | ||
0fda9b75 | 650 | #endif /* HAVE_NTGUI */ |
660ed669 | 651 | |
edfda783 AR |
652 | #ifdef HAVE_NS |
653 | /* NS emulation of GCs */ | |
654 | ||
b0ab8123 | 655 | static GC |
3d608a86 | 656 | x_create_gc (struct frame *f, |
b5f03016 AS |
657 | unsigned long mask, |
658 | XGCValues *xgcv) | |
edfda783 | 659 | { |
38182d90 | 660 | GC gc = xmalloc (sizeof *gc); |
ae1d87e2 | 661 | *gc = *xgcv; |
edfda783 AR |
662 | return gc; |
663 | } | |
664 | ||
b0ab8123 | 665 | static void |
3d608a86 | 666 | x_free_gc (struct frame *f, GC gc) |
edfda783 | 667 | { |
5f445726 | 668 | xfree (gc); |
edfda783 AR |
669 | } |
670 | #endif /* HAVE_NS */ | |
671 | ||
c0617987 GM |
672 | /* If FRAME is nil, return a pointer to the selected frame. |
673 | Otherwise, check that FRAME is a live frame, and return a pointer | |
674 | to it. NPARAM is the parameter number of FRAME, for | |
675 | CHECK_LIVE_FRAME. This is here because it's a frequent pattern in | |
676 | Lisp function definitions. */ | |
82641697 | 677 | |
b0ab8123 | 678 | static struct frame * |
971de7fb | 679 | frame_or_selected_frame (Lisp_Object frame, int nparam) |
82641697 | 680 | { |
82641697 | 681 | if (NILP (frame)) |
c0617987 | 682 | frame = selected_frame; |
178c5d9c | 683 | |
b7826503 | 684 | CHECK_LIVE_FRAME (frame); |
c0617987 | 685 | return XFRAME (frame); |
42120bc7 | 686 | } |
82641697 | 687 | |
42120bc7 | 688 | \f |
82641697 GM |
689 | /*********************************************************************** |
690 | Frames and faces | |
691 | ***********************************************************************/ | |
cd0bb842 | 692 | |
82641697 | 693 | /* Initialize face cache and basic faces for frame F. */ |
cb637678 | 694 | |
82641697 | 695 | void |
971de7fb | 696 | init_frame_faces (struct frame *f) |
cb637678 | 697 | { |
82641697 GM |
698 | /* Make a face cache, if F doesn't have one. */ |
699 | if (FRAME_FACE_CACHE (f) == NULL) | |
700 | FRAME_FACE_CACHE (f) = make_face_cache (f); | |
178c5d9c | 701 | |
c3cee013 | 702 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 703 | /* Make the image cache. */ |
c3cee013 | 704 | if (FRAME_WINDOW_P (f)) |
82641697 | 705 | { |
91c37b7e CY |
706 | /* We initialize the image cache when creating the first frame |
707 | on a terminal, and not during terminal creation. This way, | |
708 | `x-open-connection' on a tty won't create an image cache. */ | |
354884c4 | 709 | if (FRAME_IMAGE_CACHE (f) == NULL) |
354884c4 SM |
710 | FRAME_IMAGE_CACHE (f) = make_image_cache (); |
711 | ++FRAME_IMAGE_CACHE (f)->refcount; | |
82641697 | 712 | } |
c3cee013 | 713 | #endif /* HAVE_WINDOW_SYSTEM */ |
cb637678 | 714 | |
178c5d9c | 715 | /* Realize basic faces. Must have enough information in frame |
82641697 GM |
716 | parameters to realize basic faces at this point. */ |
717 | #ifdef HAVE_X_WINDOWS | |
718 | if (!FRAME_X_P (f) || FRAME_X_WINDOW (f)) | |
c3cee013 | 719 | #endif |
0fda9b75 | 720 | #ifdef HAVE_NTGUI |
c3cee013 | 721 | if (!FRAME_WINDOW_P (f) || FRAME_W32_WINDOW (f)) |
f00691a3 | 722 | #endif |
edfda783 AR |
723 | #ifdef HAVE_NS |
724 | if (!FRAME_NS_P (f) || FRAME_NS_WINDOW (f)) | |
82641697 GM |
725 | #endif |
726 | if (!realize_basic_faces (f)) | |
1088b922 | 727 | emacs_abort (); |
82641697 | 728 | } |
cb637678 | 729 | |
cb637678 | 730 | |
e2749141 | 731 | /* Free face cache of frame F. Called from delete_frame. */ |
cb637678 | 732 | |
82641697 | 733 | void |
971de7fb | 734 | free_frame_faces (struct frame *f) |
cb637678 | 735 | { |
82641697 | 736 | struct face_cache *face_cache = FRAME_FACE_CACHE (f); |
178c5d9c | 737 | |
82641697 GM |
738 | if (face_cache) |
739 | { | |
740 | free_face_cache (face_cache); | |
741 | FRAME_FACE_CACHE (f) = NULL; | |
742 | } | |
660ed669 | 743 | |
c3cee013 JR |
744 | #ifdef HAVE_WINDOW_SYSTEM |
745 | if (FRAME_WINDOW_P (f)) | |
195f798e | 746 | { |
354884c4 | 747 | struct image_cache *image_cache = FRAME_IMAGE_CACHE (f); |
82641697 | 748 | if (image_cache) |
195f798e | 749 | { |
82641697 GM |
750 | --image_cache->refcount; |
751 | if (image_cache->refcount == 0) | |
752 | free_image_cache (f); | |
195f798e RS |
753 | } |
754 | } | |
c3cee013 | 755 | #endif /* HAVE_WINDOW_SYSTEM */ |
cb637678 JB |
756 | } |
757 | ||
82641697 | 758 | |
8bd201d6 GM |
759 | /* Clear face caches, and recompute basic faces for frame F. Call |
760 | this after changing frame parameters on which those faces depend, | |
761 | or when realized faces have been freed due to changing attributes | |
762 | of named faces. */ | |
82641697 GM |
763 | |
764 | void | |
971de7fb | 765 | recompute_basic_faces (struct frame *f) |
cb637678 | 766 | { |
82641697 GM |
767 | if (FRAME_FACE_CACHE (f)) |
768 | { | |
8bd201d6 | 769 | clear_face_cache (0); |
18df9369 | 770 | if (!realize_basic_faces (f)) |
1088b922 | 771 | emacs_abort (); |
82641697 GM |
772 | } |
773 | } | |
cb637678 | 774 | |
cb637678 | 775 | |
82641697 GM |
776 | /* Clear the face caches of all frames. CLEAR_FONTS_P non-zero means |
777 | try to free unused fonts, too. */ | |
cb637678 | 778 | |
adfea139 | 779 | void |
971de7fb | 780 | clear_face_cache (int clear_fonts_p) |
cb637678 | 781 | { |
c3cee013 | 782 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 783 | Lisp_Object tail, frame; |
828e66d1 | 784 | |
82641697 GM |
785 | if (clear_fonts_p |
786 | || ++clear_font_table_count == CLEAR_FONT_TABLE_COUNT) | |
828e66d1 | 787 | { |
2dee4c0b KH |
788 | #if 0 |
789 | /* Not yet implemented. */ | |
790 | clear_font_cache (frame); | |
791 | #endif | |
792 | ||
82641697 GM |
793 | /* From time to time see if we can unload some fonts. This also |
794 | frees all realized faces on all frames. Fonts needed by | |
795 | faces will be loaded again when faces are realized again. */ | |
796 | clear_font_table_count = 0; | |
195f798e | 797 | |
82641697 | 798 | FOR_EACH_FRAME (tail, frame) |
195f798e | 799 | { |
d5641fc5 | 800 | struct frame *f = XFRAME (frame); |
c3cee013 | 801 | if (FRAME_WINDOW_P (f) |
82641697 | 802 | && FRAME_X_DISPLAY_INFO (f)->n_fonts > CLEAR_FONT_TABLE_NFONTS) |
d5641fc5 | 803 | free_all_realized_faces (frame); |
82641697 GM |
804 | } |
805 | } | |
806 | else | |
807 | { | |
808 | /* Clear GCs of realized faces. */ | |
809 | FOR_EACH_FRAME (tail, frame) | |
810 | { | |
071048a3 | 811 | struct frame *f = XFRAME (frame); |
c3cee013 | 812 | if (FRAME_WINDOW_P (f)) |
82641697 | 813 | clear_face_gcs (FRAME_FACE_CACHE (f)); |
195f798e | 814 | } |
a2bc5bdd | 815 | clear_image_caches (Qnil); |
828e66d1 | 816 | } |
c3cee013 | 817 | #endif /* HAVE_WINDOW_SYSTEM */ |
cd0bb842 RS |
818 | } |
819 | ||
82641697 | 820 | |
a7ca3326 | 821 | DEFUN ("clear-face-cache", Fclear_face_cache, Sclear_face_cache, 0, 1, 0, |
7ee72033 MB |
822 | doc: /* Clear face caches on all frames. |
823 | Optional THOROUGHLY non-nil means try to free unused fonts, too. */) | |
5842a27b | 824 | (Lisp_Object thoroughly) |
cd0bb842 | 825 | { |
6a3f48c7 | 826 | clear_face_cache (!NILP (thoroughly)); |
ae4b4ba5 GM |
827 | ++face_change_count; |
828 | ++windows_or_buffers_changed; | |
82641697 GM |
829 | return Qnil; |
830 | } | |
831 | ||
82641697 GM |
832 | \f |
833 | /*********************************************************************** | |
834 | X Pixmaps | |
835 | ***********************************************************************/ | |
836 | ||
c3cee013 | 837 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 838 | |
fef04523 | 839 | DEFUN ("bitmap-spec-p", Fbitmap_spec_p, Sbitmap_spec_p, 1, 1, 0, |
7ee72033 | 840 | doc: /* Value is non-nil if OBJECT is a valid bitmap specification. |
228299fa GM |
841 | A bitmap specification is either a string, a file name, or a list |
842 | \(WIDTH HEIGHT DATA) where WIDTH is the pixel width of the bitmap, | |
843 | HEIGHT is its height, and DATA is a string containing the bits of | |
844 | the pixmap. Bits are stored row by row, each row occupies | |
7ee72033 | 845 | \(WIDTH + 7)/8 bytes. */) |
5842a27b | 846 | (Lisp_Object object) |
82641697 | 847 | { |
c7ae3284 | 848 | int pixmap_p = 0; |
178c5d9c | 849 | |
c7ae3284 GM |
850 | if (STRINGP (object)) |
851 | /* If OBJECT is a string, it's a file name. */ | |
852 | pixmap_p = 1; | |
853 | else if (CONSP (object)) | |
854 | { | |
855 | /* Otherwise OBJECT must be (WIDTH HEIGHT DATA), WIDTH and | |
d311d28c | 856 | HEIGHT must be ints > 0, and DATA must be string large |
c7ae3284 GM |
857 | enough to hold a bitmap of the specified size. */ |
858 | Lisp_Object width, height, data; | |
859 | ||
860 | height = width = data = Qnil; | |
178c5d9c | 861 | |
c7ae3284 GM |
862 | if (CONSP (object)) |
863 | { | |
864 | width = XCAR (object); | |
865 | object = XCDR (object); | |
866 | if (CONSP (object)) | |
867 | { | |
868 | height = XCAR (object); | |
869 | object = XCDR (object); | |
870 | if (CONSP (object)) | |
871 | data = XCAR (object); | |
872 | } | |
873 | } | |
cd0bb842 | 874 | |
c8907a93 | 875 | if (STRINGP (data) |
d311d28c PE |
876 | && RANGED_INTEGERP (1, width, INT_MAX) |
877 | && RANGED_INTEGERP (1, height, INT_MAX)) | |
c7ae3284 | 878 | { |
d311d28c PE |
879 | int bytes_per_row = ((XINT (width) + BITS_PER_CHAR - 1) |
880 | / BITS_PER_CHAR); | |
c8907a93 | 881 | if (XINT (height) <= SBYTES (data) / bytes_per_row) |
c7ae3284 GM |
882 | pixmap_p = 1; |
883 | } | |
884 | } | |
885 | ||
886 | return pixmap_p ? Qt : Qnil; | |
cd0bb842 RS |
887 | } |
888 | ||
cd0bb842 | 889 | |
82641697 GM |
890 | /* Load a bitmap according to NAME (which is either a file name or a |
891 | pixmap spec) for use on frame F. Value is the bitmap_id (see | |
892 | xfns.c). If NAME is nil, return with a bitmap id of zero. If | |
893 | bitmap cannot be loaded, display a message saying so, and return | |
894 | zero. Store the bitmap width in *W_PTR and its height in *H_PTR, | |
895 | if these pointers are not null. */ | |
cd0bb842 | 896 | |
0766b489 | 897 | static ptrdiff_t |
b5f03016 AS |
898 | load_pixmap (FRAME_PTR f, Lisp_Object name, unsigned int *w_ptr, |
899 | unsigned int *h_ptr) | |
cd0bb842 | 900 | { |
0766b489 | 901 | ptrdiff_t bitmap_id; |
cd0bb842 RS |
902 | |
903 | if (NILP (name)) | |
82641697 | 904 | return 0; |
cd0bb842 | 905 | |
d5ddd1a3 | 906 | CHECK_TYPE (!NILP (Fbitmap_spec_p (name)), Qbitmap_spec_p, name); |
cd0bb842 | 907 | |
4d7e6e51 | 908 | block_input (); |
cd0bb842 RS |
909 | if (CONSP (name)) |
910 | { | |
911 | /* Decode a bitmap spec into a bitmap. */ | |
912 | ||
913 | int h, w; | |
914 | Lisp_Object bits; | |
915 | ||
916 | w = XINT (Fcar (name)); | |
917 | h = XINT (Fcar (Fcdr (name))); | |
918 | bits = Fcar (Fcdr (Fcdr (name))); | |
919 | ||
42a5b22f | 920 | bitmap_id = x_create_bitmap_from_data (f, SSDATA (bits), |
cd0bb842 RS |
921 | w, h); |
922 | } | |
923 | else | |
924 | { | |
925 | /* It must be a string -- a file name. */ | |
926 | bitmap_id = x_create_bitmap_from_file (f, name); | |
927 | } | |
4d7e6e51 | 928 | unblock_input (); |
cd0bb842 | 929 | |
7812a96f | 930 | if (bitmap_id < 0) |
82641697 | 931 | { |
2eb582ae | 932 | add_to_log ("Invalid or undefined bitmap `%s'", name, Qnil); |
82641697 | 933 | bitmap_id = 0; |
cd0bb842 | 934 | |
82641697 GM |
935 | if (w_ptr) |
936 | *w_ptr = 0; | |
937 | if (h_ptr) | |
938 | *h_ptr = 0; | |
939 | } | |
940 | else | |
941 | { | |
e509cfa6 | 942 | #ifdef GLYPH_DEBUG |
82641697 GM |
943 | ++npixmaps_allocated; |
944 | #endif | |
945 | if (w_ptr) | |
946 | *w_ptr = x_bitmap_width (f, bitmap_id); | |
947 | ||
948 | if (h_ptr) | |
949 | *h_ptr = x_bitmap_height (f, bitmap_id); | |
950 | } | |
cd0bb842 RS |
951 | |
952 | return bitmap_id; | |
cb637678 | 953 | } |
87485d6f | 954 | |
c3cee013 | 955 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 | 956 | |
87485d6f | 957 | |
82641697 | 958 | \f |
82641697 GM |
959 | /*********************************************************************** |
960 | X Colors | |
961 | ***********************************************************************/ | |
962 | ||
b35df831 MB |
963 | /* Parse RGB_LIST, and fill in the RGB fields of COLOR. |
964 | RGB_LIST should contain (at least) 3 lisp integers. | |
965 | Return 0 if there's a problem with RGB_LIST, otherwise return 1. */ | |
966 | ||
967 | static int | |
971de7fb | 968 | parse_rgb_list (Lisp_Object rgb_list, XColor *color) |
b35df831 MB |
969 | { |
970 | #define PARSE_RGB_LIST_FIELD(field) \ | |
971 | if (CONSP (rgb_list) && INTEGERP (XCAR (rgb_list))) \ | |
972 | { \ | |
973 | color->field = XINT (XCAR (rgb_list)); \ | |
974 | rgb_list = XCDR (rgb_list); \ | |
975 | } \ | |
976 | else \ | |
977 | return 0; | |
978 | ||
979 | PARSE_RGB_LIST_FIELD (red); | |
980 | PARSE_RGB_LIST_FIELD (green); | |
981 | PARSE_RGB_LIST_FIELD (blue); | |
982 | ||
983 | return 1; | |
984 | } | |
985 | ||
986 | ||
987 | /* Lookup on frame F the color described by the lisp string COLOR. | |
988 | The resulting tty color is returned in TTY_COLOR; if STD_COLOR is | |
989 | non-zero, then the `standard' definition of the same color is | |
990 | returned in it. */ | |
991 | ||
578098f3 | 992 | static bool |
b5f03016 AS |
993 | tty_lookup_color (struct frame *f, Lisp_Object color, XColor *tty_color, |
994 | XColor *std_color) | |
b35df831 MB |
995 | { |
996 | Lisp_Object frame, color_desc; | |
997 | ||
998 | if (!STRINGP (color) || NILP (Ffboundp (Qtty_color_desc))) | |
999 | return 0; | |
1000 | ||
1001 | XSETFRAME (frame, f); | |
1002 | ||
1003 | color_desc = call2 (Qtty_color_desc, color, frame); | |
1004 | if (CONSP (color_desc) && CONSP (XCDR (color_desc))) | |
1005 | { | |
1006 | Lisp_Object rgb; | |
1007 | ||
1008 | if (! INTEGERP (XCAR (XCDR (color_desc)))) | |
1009 | return 0; | |
1010 | ||
1011 | tty_color->pixel = XINT (XCAR (XCDR (color_desc))); | |
1012 | ||
1013 | rgb = XCDR (XCDR (color_desc)); | |
1014 | if (! parse_rgb_list (rgb, tty_color)) | |
1015 | return 0; | |
1016 | ||
1017 | /* Should we fill in STD_COLOR too? */ | |
1018 | if (std_color) | |
1019 | { | |
1020 | /* Default STD_COLOR to the same as TTY_COLOR. */ | |
1021 | *std_color = *tty_color; | |
1022 | ||
1023 | /* Do a quick check to see if the returned descriptor is | |
1024 | actually _exactly_ equal to COLOR, otherwise we have to | |
1025 | lookup STD_COLOR separately. If it's impossible to lookup | |
1026 | a standard color, we just give up and use TTY_COLOR. */ | |
1027 | if ((!STRINGP (XCAR (color_desc)) | |
1028 | || NILP (Fstring_equal (color, XCAR (color_desc)))) | |
51f86bfc | 1029 | && !NILP (Ffboundp (Qtty_color_standard_values))) |
b35df831 MB |
1030 | { |
1031 | /* Look up STD_COLOR separately. */ | |
1032 | rgb = call1 (Qtty_color_standard_values, color); | |
1033 | if (! parse_rgb_list (rgb, std_color)) | |
1034 | return 0; | |
1035 | } | |
1036 | } | |
1037 | ||
1038 | return 1; | |
1039 | } | |
1040 | else if (NILP (Fsymbol_value (intern ("tty-defined-color-alist")))) | |
1041 | /* We were called early during startup, and the colors are not | |
1042 | yet set up in tty-defined-color-alist. Don't return a failure | |
1043 | indication, since this produces the annoying "Unable to | |
1044 | load color" messages in the *Messages* buffer. */ | |
1045 | return 1; | |
1046 | else | |
1047 | /* tty-color-desc seems to have returned a bad value. */ | |
1048 | return 0; | |
1049 | } | |
1050 | ||
2d764c78 | 1051 | /* A version of defined_color for non-X frames. */ |
08dc08dc | 1052 | |
578098f3 | 1053 | static bool |
eec47d6b | 1054 | tty_defined_color (struct frame *f, const char *color_name, |
578098f3 | 1055 | XColor *color_def, bool alloc) |
2d764c78 | 1056 | { |
578098f3 | 1057 | bool status = 1; |
2d764c78 | 1058 | |
b35df831 | 1059 | /* Defaults. */ |
177c0ea7 | 1060 | color_def->pixel = FACE_TTY_DEFAULT_COLOR; |
b35df831 MB |
1061 | color_def->red = 0; |
1062 | color_def->blue = 0; | |
1063 | color_def->green = 0; | |
a61c12d5 | 1064 | |
b35df831 | 1065 | if (*color_name) |
3062711f | 1066 | status = tty_lookup_color (f, build_string (color_name), color_def, NULL); |
b35df831 MB |
1067 | |
1068 | if (color_def->pixel == FACE_TTY_DEFAULT_COLOR && *color_name) | |
f9d2fdc4 EZ |
1069 | { |
1070 | if (strcmp (color_name, "unspecified-fg") == 0) | |
b35df831 | 1071 | color_def->pixel = FACE_TTY_DEFAULT_FG_COLOR; |
f9d2fdc4 | 1072 | else if (strcmp (color_name, "unspecified-bg") == 0) |
b35df831 | 1073 | color_def->pixel = FACE_TTY_DEFAULT_BG_COLOR; |
f9d2fdc4 EZ |
1074 | } |
1075 | ||
b35df831 | 1076 | if (color_def->pixel != FACE_TTY_DEFAULT_COLOR) |
3b451f74 EZ |
1077 | status = 1; |
1078 | ||
2d764c78 EZ |
1079 | return status; |
1080 | } | |
1081 | ||
08dc08dc GM |
1082 | |
1083 | /* Decide if color named COLOR_NAME is valid for the display | |
1084 | associated with the frame F; if so, return the rgb values in | |
578098f3 | 1085 | COLOR_DEF. If ALLOC, allocate a new colormap cell. |
2d764c78 EZ |
1086 | |
1087 | This does the right thing for any type of frame. */ | |
08dc08dc | 1088 | |
578098f3 | 1089 | static bool |
b5f03016 | 1090 | defined_color (struct frame *f, const char *color_name, XColor *color_def, |
578098f3 | 1091 | bool alloc) |
2d764c78 EZ |
1092 | { |
1093 | if (!FRAME_WINDOW_P (f)) | |
1094 | return tty_defined_color (f, color_name, color_def, alloc); | |
82641697 | 1095 | #ifdef HAVE_X_WINDOWS |
2d764c78 EZ |
1096 | else if (FRAME_X_P (f)) |
1097 | return x_defined_color (f, color_name, color_def, alloc); | |
1098 | #endif | |
0fda9b75 | 1099 | #ifdef HAVE_NTGUI |
2d764c78 | 1100 | else if (FRAME_W32_P (f)) |
2d764c78 EZ |
1101 | return w32_defined_color (f, color_name, color_def, alloc); |
1102 | #endif | |
edfda783 AR |
1103 | #ifdef HAVE_NS |
1104 | else if (FRAME_NS_P (f)) | |
1105 | return ns_defined_color (f, color_name, color_def, alloc, 1); | |
2d764c78 EZ |
1106 | #endif |
1107 | else | |
1088b922 | 1108 | emacs_abort (); |
2d764c78 EZ |
1109 | } |
1110 | ||
08dc08dc GM |
1111 | |
1112 | /* Given the index IDX of a tty color on frame F, return its name, a | |
1113 | Lisp string. */ | |
2d764c78 EZ |
1114 | |
1115 | Lisp_Object | |
971de7fb | 1116 | tty_color_name (struct frame *f, int idx) |
2d764c78 | 1117 | { |
2d764c78 EZ |
1118 | if (idx >= 0 && !NILP (Ffboundp (Qtty_color_by_index))) |
1119 | { | |
a61c12d5 EZ |
1120 | Lisp_Object frame; |
1121 | Lisp_Object coldesc; | |
1122 | ||
1123 | XSETFRAME (frame, f); | |
1124 | coldesc = call2 (Qtty_color_by_index, make_number (idx), frame); | |
2d764c78 EZ |
1125 | |
1126 | if (!NILP (coldesc)) | |
1127 | return XCAR (coldesc); | |
1128 | } | |
1129 | #ifdef MSDOS | |
1130 | /* We can have an MSDOG frame under -nw for a short window of | |
1131 | opportunity before internal_terminal_init is called. DTRT. */ | |
1132 | if (FRAME_MSDOS_P (f) && !inhibit_window_system) | |
1133 | return msdos_stdcolor_name (idx); | |
1134 | #endif | |
1135 | ||
ef917393 EZ |
1136 | if (idx == FACE_TTY_DEFAULT_FG_COLOR) |
1137 | return build_string (unspecified_fg); | |
1138 | if (idx == FACE_TTY_DEFAULT_BG_COLOR) | |
1139 | return build_string (unspecified_bg); | |
c3cee013 | 1140 | |
ef917393 | 1141 | return Qunspecified; |
2d764c78 | 1142 | } |
82641697 | 1143 | |
08dc08dc | 1144 | |
82641697 | 1145 | /* Return non-zero if COLOR_NAME is a shade of gray (or white or |
71433d39 RS |
1146 | black) on frame F. |
1147 | ||
1148 | The criterion implemented here is not a terribly sophisticated one. */ | |
82641697 GM |
1149 | |
1150 | static int | |
eec47d6b | 1151 | face_color_gray_p (struct frame *f, const char *color_name) |
82641697 GM |
1152 | { |
1153 | XColor color; | |
1154 | int gray_p; | |
1155 | ||
1156 | if (defined_color (f, color_name, &color, 0)) | |
e4769531 | 1157 | gray_p = (/* Any color sufficiently close to black counts as gray. */ |
71433d39 RS |
1158 | (color.red < 5000 && color.green < 5000 && color.blue < 5000) |
1159 | || | |
1ea40aa2 | 1160 | ((eabs (color.red - color.green) |
71433d39 | 1161 | < max (color.red, color.green) / 20) |
1ea40aa2 | 1162 | && (eabs (color.green - color.blue) |
71433d39 | 1163 | < max (color.green, color.blue) / 20) |
1ea40aa2 | 1164 | && (eabs (color.blue - color.red) |
71433d39 | 1165 | < max (color.blue, color.red) / 20))); |
87485d6f | 1166 | else |
82641697 | 1167 | gray_p = 0; |
178c5d9c | 1168 | |
82641697 | 1169 | return gray_p; |
87485d6f | 1170 | } |
87485d6f | 1171 | |
cb637678 | 1172 | |
82641697 GM |
1173 | /* Return non-zero if color COLOR_NAME can be displayed on frame F. |
1174 | BACKGROUND_P non-zero means the color will be used as background | |
1175 | color. */ | |
1176 | ||
1177 | static int | |
b5f03016 AS |
1178 | face_color_supported_p (struct frame *f, const char *color_name, |
1179 | int background_p) | |
82641697 GM |
1180 | { |
1181 | Lisp_Object frame; | |
2d764c78 | 1182 | XColor not_used; |
82641697 GM |
1183 | |
1184 | XSETFRAME (frame, f); | |
6b61353c | 1185 | return |
6a46b96b | 1186 | #ifdef HAVE_WINDOW_SYSTEM |
6b61353c KH |
1187 | FRAME_WINDOW_P (f) |
1188 | ? (!NILP (Fxw_display_color_p (frame)) | |
05131107 JR |
1189 | || xstrcasecmp (color_name, "black") == 0 |
1190 | || xstrcasecmp (color_name, "white") == 0 | |
6b61353c KH |
1191 | || (background_p |
1192 | && face_color_gray_p (f, color_name)) | |
1193 | || (!NILP (Fx_display_grayscale_p (frame)) | |
1194 | && face_color_gray_p (f, color_name))) | |
1195 | : | |
1196 | #endif | |
1197 | tty_defined_color (f, color_name, ¬_used, 0); | |
2d764c78 | 1198 | } |
82641697 GM |
1199 | |
1200 | ||
da47150d | 1201 | DEFUN ("color-gray-p", Fcolor_gray_p, Scolor_gray_p, 1, 2, 0, |
7ee72033 | 1202 | doc: /* Return non-nil if COLOR is a shade of gray (or white or black). |
228299fa | 1203 | FRAME specifies the frame and thus the display for interpreting COLOR. |
7ee72033 | 1204 | If FRAME is nil or omitted, use the selected frame. */) |
5842a27b | 1205 | (Lisp_Object color, Lisp_Object frame) |
cb637678 | 1206 | { |
2d764c78 EZ |
1207 | struct frame *f; |
1208 | ||
b7826503 | 1209 | CHECK_STRING (color); |
6b61353c KH |
1210 | if (NILP (frame)) |
1211 | frame = selected_frame; | |
1212 | else | |
1213 | CHECK_FRAME (frame); | |
2d764c78 | 1214 | f = XFRAME (frame); |
42a5b22f | 1215 | return face_color_gray_p (f, SSDATA (color)) ? Qt : Qnil; |
82641697 | 1216 | } |
660ed669 | 1217 | |
fffc2367 | 1218 | |
da47150d | 1219 | DEFUN ("color-supported-p", Fcolor_supported_p, |
2e1bb1c3 | 1220 | Scolor_supported_p, 1, 3, 0, |
7ee72033 | 1221 | doc: /* Return non-nil if COLOR can be displayed on FRAME. |
228299fa | 1222 | BACKGROUND-P non-nil means COLOR is used as a background. |
fc820cc5 | 1223 | Otherwise, this function tells whether it can be used as a foreground. |
228299fa | 1224 | If FRAME is nil or omitted, use the selected frame. |
7ee72033 | 1225 | COLOR must be a valid color name. */) |
5842a27b | 1226 | (Lisp_Object color, Lisp_Object frame, Lisp_Object background_p) |
82641697 | 1227 | { |
2d764c78 EZ |
1228 | struct frame *f; |
1229 | ||
b7826503 | 1230 | CHECK_STRING (color); |
6b61353c KH |
1231 | if (NILP (frame)) |
1232 | frame = selected_frame; | |
1233 | else | |
1234 | CHECK_FRAME (frame); | |
2d764c78 | 1235 | f = XFRAME (frame); |
42a5b22f | 1236 | if (face_color_supported_p (f, SSDATA (color), !NILP (background_p))) |
82641697 GM |
1237 | return Qt; |
1238 | return Qnil; | |
1239 | } | |
7b37f67b | 1240 | |
08dc08dc | 1241 | |
82641697 GM |
1242 | /* Load color with name NAME for use by face FACE on frame F. |
1243 | TARGET_INDEX must be one of LFACE_FOREGROUND_INDEX, | |
1244 | LFACE_BACKGROUND_INDEX, LFACE_UNDERLINE_INDEX, LFACE_OVERLINE_INDEX, | |
1245 | LFACE_STRIKE_THROUGH_INDEX, or LFACE_BOX_INDEX. Value is the | |
1246 | pixel color. If color cannot be loaded, display a message, and | |
1247 | return the foreground, background or underline color of F, but | |
1248 | record that fact in flags of the face so that we don't try to free | |
1249 | these colors. */ | |
1250 | ||
44747bd0 | 1251 | unsigned long |
b5f03016 AS |
1252 | load_color (struct frame *f, struct face *face, Lisp_Object name, |
1253 | enum lface_attribute_index target_index) | |
82641697 GM |
1254 | { |
1255 | XColor color; | |
178c5d9c | 1256 | |
a54e2c05 DA |
1257 | eassert (STRINGP (name)); |
1258 | eassert (target_index == LFACE_FOREGROUND_INDEX | |
82641697 GM |
1259 | || target_index == LFACE_BACKGROUND_INDEX |
1260 | || target_index == LFACE_UNDERLINE_INDEX | |
1261 | || target_index == LFACE_OVERLINE_INDEX | |
1262 | || target_index == LFACE_STRIKE_THROUGH_INDEX | |
1263 | || target_index == LFACE_BOX_INDEX); | |
178c5d9c | 1264 | |
82641697 GM |
1265 | /* if the color map is full, defined_color will return a best match |
1266 | to the values in an existing cell. */ | |
42a5b22f | 1267 | if (!defined_color (f, SSDATA (name), &color, 1)) |
82641697 | 1268 | { |
2d764c78 | 1269 | add_to_log ("Unable to load color \"%s\"", name, Qnil); |
178c5d9c | 1270 | |
82641697 | 1271 | switch (target_index) |
1120eb5e | 1272 | { |
82641697 GM |
1273 | case LFACE_FOREGROUND_INDEX: |
1274 | face->foreground_defaulted_p = 1; | |
1275 | color.pixel = FRAME_FOREGROUND_PIXEL (f); | |
1276 | break; | |
178c5d9c | 1277 | |
82641697 GM |
1278 | case LFACE_BACKGROUND_INDEX: |
1279 | face->background_defaulted_p = 1; | |
1280 | color.pixel = FRAME_BACKGROUND_PIXEL (f); | |
1281 | break; | |
178c5d9c | 1282 | |
82641697 GM |
1283 | case LFACE_UNDERLINE_INDEX: |
1284 | face->underline_defaulted_p = 1; | |
1285 | color.pixel = FRAME_FOREGROUND_PIXEL (f); | |
1286 | break; | |
178c5d9c | 1287 | |
82641697 GM |
1288 | case LFACE_OVERLINE_INDEX: |
1289 | face->overline_color_defaulted_p = 1; | |
1290 | color.pixel = FRAME_FOREGROUND_PIXEL (f); | |
1120eb5e | 1291 | break; |
178c5d9c | 1292 | |
82641697 GM |
1293 | case LFACE_STRIKE_THROUGH_INDEX: |
1294 | face->strike_through_color_defaulted_p = 1; | |
1295 | color.pixel = FRAME_FOREGROUND_PIXEL (f); | |
1296 | break; | |
178c5d9c | 1297 | |
82641697 GM |
1298 | case LFACE_BOX_INDEX: |
1299 | face->box_color_defaulted_p = 1; | |
1300 | color.pixel = FRAME_FOREGROUND_PIXEL (f); | |
1301 | break; | |
1302 | ||
1303 | default: | |
1088b922 | 1304 | emacs_abort (); |
1120eb5e | 1305 | } |
82641697 | 1306 | } |
e509cfa6 | 1307 | #ifdef GLYPH_DEBUG |
82641697 GM |
1308 | else |
1309 | ++ncolors_allocated; | |
1310 | #endif | |
178c5d9c | 1311 | |
82641697 GM |
1312 | return color.pixel; |
1313 | } | |
1120eb5e | 1314 | |
08dc08dc | 1315 | |
c3cee013 | 1316 | #ifdef HAVE_WINDOW_SYSTEM |
1120eb5e | 1317 | |
82641697 GM |
1318 | /* Load colors for face FACE which is used on frame F. Colors are |
1319 | specified by slots LFACE_BACKGROUND_INDEX and LFACE_FOREGROUND_INDEX | |
1320 | of ATTRS. If the background color specified is not supported on F, | |
1321 | try to emulate gray colors with a stipple from Vface_default_stipple. */ | |
1322 | ||
1323 | static void | |
4973679b PE |
1324 | load_face_colors (struct frame *f, struct face *face, |
1325 | Lisp_Object attrs[LFACE_VECTOR_SIZE]) | |
82641697 GM |
1326 | { |
1327 | Lisp_Object fg, bg; | |
1328 | ||
1329 | bg = attrs[LFACE_BACKGROUND_INDEX]; | |
1330 | fg = attrs[LFACE_FOREGROUND_INDEX]; | |
1331 | ||
1332 | /* Swap colors if face is inverse-video. */ | |
1333 | if (EQ (attrs[LFACE_INVERSE_INDEX], Qt)) | |
1334 | { | |
1335 | Lisp_Object tmp; | |
1336 | tmp = fg; | |
1337 | fg = bg; | |
1338 | bg = tmp; | |
1339 | } | |
1340 | ||
1341 | /* Check for support for foreground, not for background because | |
1342 | face_color_supported_p is smart enough to know that grays are | |
1343 | "supported" as background because we are supposed to use stipple | |
1344 | for them. */ | |
42a5b22f | 1345 | if (!face_color_supported_p (f, SSDATA (bg), 0) |
fef04523 | 1346 | && !NILP (Fbitmap_spec_p (Vface_default_stipple))) |
82641697 GM |
1347 | { |
1348 | x_destroy_bitmap (f, face->stipple); | |
1349 | face->stipple = load_pixmap (f, Vface_default_stipple, | |
1350 | &face->pixmap_w, &face->pixmap_h); | |
1351 | } | |
82641697 | 1352 | |
be8a72f4 | 1353 | face->background = load_color (f, face, bg, LFACE_BACKGROUND_INDEX); |
82641697 | 1354 | face->foreground = load_color (f, face, fg, LFACE_FOREGROUND_INDEX); |
cb637678 JB |
1355 | } |
1356 | ||
660ed669 | 1357 | |
82641697 | 1358 | /* Free color PIXEL on frame F. */ |
cd0bb842 | 1359 | |
cb637678 | 1360 | void |
971de7fb | 1361 | unload_color (struct frame *f, long unsigned int pixel) |
cb637678 | 1362 | { |
c3cee013 | 1363 | #ifdef HAVE_X_WINDOWS |
30a7ac22 GM |
1364 | if (pixel != -1) |
1365 | { | |
4d7e6e51 | 1366 | block_input (); |
30a7ac22 | 1367 | x_free_colors (f, &pixel, 1); |
4d7e6e51 | 1368 | unblock_input (); |
30a7ac22 | 1369 | } |
c3cee013 | 1370 | #endif |
82641697 GM |
1371 | } |
1372 | ||
1373 | ||
1374 | /* Free colors allocated for FACE. */ | |
1375 | ||
1376 | static void | |
971de7fb | 1377 | free_face_colors (struct frame *f, struct face *face) |
82641697 | 1378 | { |
edfda783 | 1379 | /* PENDING(NS): need to do something here? */ |
c3cee013 | 1380 | #ifdef HAVE_X_WINDOWS |
28a072fe GM |
1381 | if (face->colors_copied_bitwise_p) |
1382 | return; | |
1383 | ||
4d7e6e51 | 1384 | block_input (); |
178c5d9c | 1385 | |
08dc08dc GM |
1386 | if (!face->foreground_defaulted_p) |
1387 | { | |
1388 | x_free_colors (f, &face->foreground, 1); | |
1389 | IF_DEBUG (--ncolors_allocated); | |
1390 | } | |
178c5d9c | 1391 | |
08dc08dc GM |
1392 | if (!face->background_defaulted_p) |
1393 | { | |
1394 | x_free_colors (f, &face->background, 1); | |
1395 | IF_DEBUG (--ncolors_allocated); | |
1396 | } | |
82641697 | 1397 | |
08dc08dc GM |
1398 | if (face->underline_p |
1399 | && !face->underline_defaulted_p) | |
1400 | { | |
1401 | x_free_colors (f, &face->underline_color, 1); | |
1402 | IF_DEBUG (--ncolors_allocated); | |
1403 | } | |
82641697 | 1404 | |
08dc08dc GM |
1405 | if (face->overline_p |
1406 | && !face->overline_color_defaulted_p) | |
1407 | { | |
1408 | x_free_colors (f, &face->overline_color, 1); | |
1409 | IF_DEBUG (--ncolors_allocated); | |
1410 | } | |
82641697 | 1411 | |
08dc08dc GM |
1412 | if (face->strike_through_p |
1413 | && !face->strike_through_color_defaulted_p) | |
1414 | { | |
1415 | x_free_colors (f, &face->strike_through_color, 1); | |
1416 | IF_DEBUG (--ncolors_allocated); | |
1417 | } | |
82641697 | 1418 | |
08dc08dc GM |
1419 | if (face->box != FACE_NO_BOX |
1420 | && !face->box_color_defaulted_p) | |
1421 | { | |
1422 | x_free_colors (f, &face->box_color, 1); | |
1423 | IF_DEBUG (--ncolors_allocated); | |
82641697 | 1424 | } |
08dc08dc | 1425 | |
4d7e6e51 | 1426 | unblock_input (); |
2d764c78 | 1427 | #endif /* HAVE_X_WINDOWS */ |
c3cee013 | 1428 | } |
08dc08dc | 1429 | |
c3cee013 | 1430 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
1431 | |
1432 | ||
1433 | \f | |
1434 | /*********************************************************************** | |
1435 | XLFD Font Names | |
1436 | ***********************************************************************/ | |
1437 | ||
1438 | /* An enumerator for each field of an XLFD font name. */ | |
1439 | ||
1440 | enum xlfd_field | |
1441 | { | |
1442 | XLFD_FOUNDRY, | |
1443 | XLFD_FAMILY, | |
1444 | XLFD_WEIGHT, | |
1445 | XLFD_SLANT, | |
1446 | XLFD_SWIDTH, | |
1447 | XLFD_ADSTYLE, | |
1448 | XLFD_PIXEL_SIZE, | |
1449 | XLFD_POINT_SIZE, | |
1450 | XLFD_RESX, | |
1451 | XLFD_RESY, | |
1452 | XLFD_SPACING, | |
1453 | XLFD_AVGWIDTH, | |
1454 | XLFD_REGISTRY, | |
1455 | XLFD_ENCODING, | |
1456 | XLFD_LAST | |
1457 | }; | |
1458 | ||
178c5d9c | 1459 | /* An enumerator for each possible slant value of a font. Taken from |
82641697 GM |
1460 | the XLFD specification. */ |
1461 | ||
1462 | enum xlfd_slant | |
1463 | { | |
1464 | XLFD_SLANT_UNKNOWN, | |
1465 | XLFD_SLANT_ROMAN, | |
1466 | XLFD_SLANT_ITALIC, | |
1467 | XLFD_SLANT_OBLIQUE, | |
1468 | XLFD_SLANT_REVERSE_ITALIC, | |
1469 | XLFD_SLANT_REVERSE_OBLIQUE, | |
1470 | XLFD_SLANT_OTHER | |
1471 | }; | |
1472 | ||
1473 | /* Relative font weight according to XLFD documentation. */ | |
1474 | ||
1475 | enum xlfd_weight | |
1476 | { | |
1477 | XLFD_WEIGHT_UNKNOWN, | |
1478 | XLFD_WEIGHT_ULTRA_LIGHT, /* 10 */ | |
1479 | XLFD_WEIGHT_EXTRA_LIGHT, /* 20 */ | |
1480 | XLFD_WEIGHT_LIGHT, /* 30 */ | |
1481 | XLFD_WEIGHT_SEMI_LIGHT, /* 40: SemiLight, Book, ... */ | |
1482 | XLFD_WEIGHT_MEDIUM, /* 50: Medium, Normal, Regular, ... */ | |
1483 | XLFD_WEIGHT_SEMI_BOLD, /* 60: SemiBold, DemiBold, ... */ | |
1484 | XLFD_WEIGHT_BOLD, /* 70: Bold, ... */ | |
1485 | XLFD_WEIGHT_EXTRA_BOLD, /* 80: ExtraBold, Heavy, ... */ | |
1486 | XLFD_WEIGHT_ULTRA_BOLD /* 90: UltraBold, Black, ... */ | |
1487 | }; | |
1488 | ||
1489 | /* Relative proportionate width. */ | |
1490 | ||
1491 | enum xlfd_swidth | |
1492 | { | |
1493 | XLFD_SWIDTH_UNKNOWN, | |
1494 | XLFD_SWIDTH_ULTRA_CONDENSED, /* 10 */ | |
1495 | XLFD_SWIDTH_EXTRA_CONDENSED, /* 20 */ | |
1496 | XLFD_SWIDTH_CONDENSED, /* 30: Condensed, Narrow, Compressed, ... */ | |
1497 | XLFD_SWIDTH_SEMI_CONDENSED, /* 40: semicondensed */ | |
1498 | XLFD_SWIDTH_MEDIUM, /* 50: Medium, Normal, Regular, ... */ | |
1499 | XLFD_SWIDTH_SEMI_EXPANDED, /* 60: SemiExpanded, DemiExpanded, ... */ | |
1500 | XLFD_SWIDTH_EXPANDED, /* 70: Expanded... */ | |
1501 | XLFD_SWIDTH_EXTRA_EXPANDED, /* 80: ExtraExpanded, Wide... */ | |
1502 | XLFD_SWIDTH_ULTRA_EXPANDED /* 90: UltraExpanded... */ | |
1503 | }; | |
1504 | ||
82641697 GM |
1505 | /* Order by which font selection chooses fonts. The default values |
1506 | mean `first, find a best match for the font width, then for the | |
1507 | font height, then for weight, then for slant.' This variable can be | |
1508 | set via set-face-font-sort-order. */ | |
1509 | ||
1510 | static int font_sort_order[4]; | |
82641697 | 1511 | |
2dee4c0b KH |
1512 | #ifdef HAVE_WINDOW_SYSTEM |
1513 | ||
2dee4c0b | 1514 | static enum font_property_index font_props_for_sorting[FONT_SIZE_INDEX]; |
82641697 | 1515 | |
2dee4c0b | 1516 | static int |
971de7fb | 1517 | compare_fonts_by_sort_order (const void *v1, const void *v2) |
2dee4c0b | 1518 | { |
98c6f1e3 PE |
1519 | Lisp_Object const *p1 = v1; |
1520 | Lisp_Object const *p2 = v2; | |
1521 | Lisp_Object font1 = *p1; | |
1522 | Lisp_Object font2 = *p2; | |
2dee4c0b | 1523 | int i; |
d5ab09cd | 1524 | |
2dee4c0b KH |
1525 | for (i = 0; i < FONT_SIZE_INDEX; i++) |
1526 | { | |
1527 | enum font_property_index idx = font_props_for_sorting[i]; | |
1528 | Lisp_Object val1 = AREF (font1, idx), val2 = AREF (font2, idx); | |
1529 | int result; | |
82641697 | 1530 | |
2dee4c0b KH |
1531 | if (idx <= FONT_REGISTRY_INDEX) |
1532 | { | |
1533 | if (STRINGP (val1)) | |
42a5b22f | 1534 | result = STRINGP (val2) ? strcmp (SSDATA (val1), SSDATA (val2)) : -1; |
2dee4c0b KH |
1535 | else |
1536 | result = STRINGP (val2) ? 1 : 0; | |
1537 | } | |
1538 | else | |
1539 | { | |
1540 | if (INTEGERP (val1)) | |
d311d28c PE |
1541 | result = (INTEGERP (val2) && XINT (val1) >= XINT (val2) |
1542 | ? XINT (val1) > XINT (val2) | |
1543 | : -1); | |
2dee4c0b KH |
1544 | else |
1545 | result = INTEGERP (val2) ? 1 : 0; | |
1546 | } | |
1547 | if (result) | |
1548 | return result; | |
1549 | } | |
1550 | return 0; | |
82641697 GM |
1551 | } |
1552 | ||
2dee4c0b KH |
1553 | DEFUN ("x-family-fonts", Fx_family_fonts, Sx_family_fonts, 0, 2, 0, |
1554 | doc: /* Return a list of available fonts of family FAMILY on FRAME. | |
1555 | If FAMILY is omitted or nil, list all families. | |
1556 | Otherwise, FAMILY must be a string, possibly containing wildcards | |
1557 | `?' and `*'. | |
1558 | If FRAME is omitted or nil, use the selected frame. | |
1559 | Each element of the result is a vector [FAMILY WIDTH POINT-SIZE WEIGHT | |
1560 | SLANT FIXED-P FULL REGISTRY-AND-ENCODING]. | |
1561 | FAMILY is the font family name. POINT-SIZE is the size of the | |
1562 | font in 1/10 pt. WIDTH, WEIGHT, and SLANT are symbols describing the | |
1563 | width, weight and slant of the font. These symbols are the same as for | |
1564 | face attributes. FIXED-P is non-nil if the font is fixed-pitch. | |
1565 | FULL is the full name of the font, and REGISTRY-AND-ENCODING is a string | |
1566 | giving the registry and encoding of the font. | |
1567 | The result list is sorted according to the current setting of | |
1568 | the face font sort order. */) | |
5842a27b | 1569 | (Lisp_Object family, Lisp_Object frame) |
2dee4c0b | 1570 | { |
022eef62 | 1571 | Lisp_Object font_spec, list, *drivers, vec; |
d311d28c PE |
1572 | ptrdiff_t i, nfonts; |
1573 | EMACS_INT ndrivers; | |
2dee4c0b | 1574 | Lisp_Object result; |
d311d28c | 1575 | USE_SAFE_ALLOCA; |
82641697 | 1576 | |
62057df6 KH |
1577 | if (NILP (frame)) |
1578 | frame = selected_frame; | |
1579 | CHECK_LIVE_FRAME (frame); | |
1580 | ||
1581 | font_spec = Ffont_spec (0, NULL); | |
2dee4c0b KH |
1582 | if (!NILP (family)) |
1583 | { | |
1584 | CHECK_STRING (family); | |
6b1f69f1 | 1585 | font_parse_family_registry (family, Qnil, font_spec); |
2dee4c0b | 1586 | } |
022eef62 CY |
1587 | |
1588 | list = font_list_entities (frame, font_spec); | |
1589 | if (NILP (list)) | |
2dee4c0b | 1590 | return Qnil; |
022eef62 CY |
1591 | |
1592 | /* Sort the font entities. */ | |
1593 | for (i = 0; i < 4; i++) | |
1594 | switch (font_sort_order[i]) | |
1595 | { | |
1596 | case XLFD_SWIDTH: | |
1597 | font_props_for_sorting[i] = FONT_WIDTH_INDEX; break; | |
1598 | case XLFD_POINT_SIZE: | |
1599 | font_props_for_sorting[i] = FONT_SIZE_INDEX; break; | |
1600 | case XLFD_WEIGHT: | |
1601 | font_props_for_sorting[i] = FONT_WEIGHT_INDEX; break; | |
1602 | default: | |
1603 | font_props_for_sorting[i] = FONT_SLANT_INDEX; break; | |
1604 | } | |
1605 | font_props_for_sorting[i++] = FONT_FAMILY_INDEX; | |
1606 | font_props_for_sorting[i++] = FONT_FOUNDRY_INDEX; | |
1607 | font_props_for_sorting[i++] = FONT_ADSTYLE_INDEX; | |
1608 | font_props_for_sorting[i++] = FONT_REGISTRY_INDEX; | |
1609 | ||
1610 | ndrivers = XINT (Flength (list)); | |
d311d28c | 1611 | SAFE_ALLOCA_LISP (drivers, ndrivers); |
022eef62 CY |
1612 | for (i = 0; i < ndrivers; i++, list = XCDR (list)) |
1613 | drivers[i] = XCAR (list); | |
1614 | vec = Fvconcat (ndrivers, drivers); | |
1615 | nfonts = ASIZE (vec); | |
1616 | ||
663e2b3f | 1617 | qsort (XVECTOR (vec)->contents, nfonts, word_size, |
022eef62 | 1618 | compare_fonts_by_sort_order); |
82641697 | 1619 | |
2dee4c0b KH |
1620 | result = Qnil; |
1621 | for (i = nfonts - 1; i >= 0; --i) | |
1622 | { | |
1623 | Lisp_Object font = AREF (vec, i); | |
1624 | Lisp_Object v = Fmake_vector (make_number (8), Qnil); | |
1625 | int point; | |
1626 | Lisp_Object spacing; | |
1627 | ||
1628 | ASET (v, 0, AREF (font, FONT_FAMILY_INDEX)); | |
1629 | ASET (v, 1, FONT_WIDTH_SYMBOLIC (font)); | |
1630 | point = PIXEL_TO_POINT (XINT (AREF (font, FONT_SIZE_INDEX)) * 10, | |
62057df6 | 1631 | XFRAME (frame)->resy); |
2dee4c0b KH |
1632 | ASET (v, 2, make_number (point)); |
1633 | ASET (v, 3, FONT_WEIGHT_SYMBOLIC (font)); | |
1634 | ASET (v, 4, FONT_SLANT_SYMBOLIC (font)); | |
1635 | spacing = Ffont_get (font, QCspacing); | |
1636 | ASET (v, 5, (NILP (spacing) || EQ (spacing, Qp)) ? Qnil : Qt); | |
62057df6 | 1637 | ASET (v, 6, Ffont_xlfd_name (font, Qnil)); |
2dee4c0b | 1638 | ASET (v, 7, AREF (font, FONT_REGISTRY_INDEX)); |
82641697 | 1639 | |
2dee4c0b KH |
1640 | result = Fcons (v, result); |
1641 | } | |
82641697 | 1642 | |
d311d28c | 1643 | SAFE_FREE (); |
2dee4c0b | 1644 | return result; |
82641697 GM |
1645 | } |
1646 | ||
2dee4c0b KH |
1647 | DEFUN ("x-list-fonts", Fx_list_fonts, Sx_list_fonts, 1, 5, 0, |
1648 | doc: /* Return a list of the names of available fonts matching PATTERN. | |
1649 | If optional arguments FACE and FRAME are specified, return only fonts | |
1650 | the same size as FACE on FRAME. | |
21bdb81a CY |
1651 | |
1652 | PATTERN should be a string containing a font name in the XLFD, | |
1653 | Fontconfig, or GTK format. A font name given in the XLFD format may | |
1654 | contain wildcard characters: | |
2dee4c0b KH |
1655 | the * character matches any substring, and |
1656 | the ? character matches any single character. | |
1657 | PATTERN is case-insensitive. | |
2dee4c0b KH |
1658 | |
1659 | The return value is a list of strings, suitable as arguments to | |
d5ab09cd | 1660 | `set-face-font'. |
82641697 | 1661 | |
2dee4c0b KH |
1662 | Fonts Emacs can't use may or may not be excluded |
1663 | even if they match PATTERN and FACE. | |
1664 | The optional fourth argument MAXIMUM sets a limit on how many | |
1665 | fonts to match. The first MAXIMUM fonts are reported. | |
1666 | The optional fifth argument WIDTH, if specified, is a number of columns | |
1667 | occupied by a character of a font. In that case, return only fonts | |
1668 | the WIDTH times as wide as FACE on FRAME. */) | |
b5f03016 AS |
1669 | (Lisp_Object pattern, Lisp_Object face, Lisp_Object frame, |
1670 | Lisp_Object maximum, Lisp_Object width) | |
82641697 | 1671 | { |
2dee4c0b | 1672 | struct frame *f; |
1e9966ea | 1673 | int size, avgwidth IF_LINT (= 0); |
82641697 | 1674 | |
2dee4c0b KH |
1675 | check_x (); |
1676 | CHECK_STRING (pattern); | |
82641697 | 1677 | |
2dee4c0b KH |
1678 | if (! NILP (maximum)) |
1679 | CHECK_NATNUM (maximum); | |
82641697 | 1680 | |
2dee4c0b KH |
1681 | if (!NILP (width)) |
1682 | CHECK_NUMBER (width); | |
82641697 | 1683 | |
2dee4c0b KH |
1684 | /* We can't simply call check_x_frame because this function may be |
1685 | called before any frame is created. */ | |
1686 | if (NILP (frame)) | |
1687 | frame = selected_frame; | |
1688 | f = frame_or_selected_frame (frame, 2); | |
1689 | if (! FRAME_WINDOW_P (f)) | |
1690 | { | |
1691 | /* Perhaps we have not yet created any frame. */ | |
1692 | f = NULL; | |
1693 | frame = Qnil; | |
1694 | face = Qnil; | |
1695 | } | |
82641697 | 1696 | |
2dee4c0b | 1697 | /* Determine the width standard for comparison with the fonts we find. */ |
82641697 | 1698 | |
2dee4c0b KH |
1699 | if (NILP (face)) |
1700 | size = 0; | |
1701 | else | |
1702 | { | |
1703 | /* This is of limited utility since it works with character | |
1704 | widths. Keep it for compatibility. --gerd. */ | |
1705 | int face_id = lookup_named_face (f, face, 0); | |
071048a3 PE |
1706 | struct face *width_face = (face_id < 0 |
1707 | ? NULL | |
1708 | : FACE_FROM_ID (f, face_id)); | |
82641697 | 1709 | |
071048a3 | 1710 | if (width_face && width_face->font) |
2dee4c0b | 1711 | { |
071048a3 PE |
1712 | size = width_face->font->pixel_size; |
1713 | avgwidth = width_face->font->average_width; | |
2dee4c0b KH |
1714 | } |
1715 | else | |
1716 | { | |
1717 | size = FRAME_FONT (f)->pixel_size; | |
1718 | avgwidth = FRAME_FONT (f)->average_width; | |
1719 | } | |
1720 | if (!NILP (width)) | |
1721 | avgwidth *= XINT (width); | |
1722 | } | |
82641697 | 1723 | |
2dee4c0b KH |
1724 | { |
1725 | Lisp_Object font_spec; | |
a4eec626 | 1726 | Lisp_Object args[2], tail; |
82641697 | 1727 | |
2dee4c0b | 1728 | font_spec = font_spec_from_name (pattern); |
21bdb81a CY |
1729 | if (!FONTP (font_spec)) |
1730 | signal_error ("Invalid font name", pattern); | |
1731 | ||
2dee4c0b KH |
1732 | if (size) |
1733 | { | |
1734 | Ffont_put (font_spec, QCsize, make_number (size)); | |
1735 | Ffont_put (font_spec, QCavgwidth, make_number (avgwidth)); | |
1736 | } | |
34e97272 | 1737 | args[0] = Flist_fonts (font_spec, frame, maximum, font_spec); |
a4eec626 | 1738 | for (tail = args[0]; CONSP (tail); tail = XCDR (tail)) |
493dcf2c KH |
1739 | { |
1740 | Lisp_Object font_entity; | |
1741 | ||
1742 | font_entity = XCAR (tail); | |
1743 | if ((NILP (AREF (font_entity, FONT_SIZE_INDEX)) | |
1744 | || XINT (AREF (font_entity, FONT_SIZE_INDEX)) == 0) | |
1745 | && ! NILP (AREF (font_spec, FONT_SIZE_INDEX))) | |
1746 | { | |
1747 | /* This is a scalable font. For backward compatibility, | |
1748 | we set the specified size. */ | |
92470028 | 1749 | font_entity = copy_font_spec (font_entity); |
493dcf2c KH |
1750 | ASET (font_entity, FONT_SIZE_INDEX, |
1751 | AREF (font_spec, FONT_SIZE_INDEX)); | |
1752 | } | |
1753 | XSETCAR (tail, Ffont_xlfd_name (font_entity, Qnil)); | |
1754 | } | |
2dee4c0b KH |
1755 | if (NILP (frame)) |
1756 | /* We don't have to check fontsets. */ | |
1757 | return args[0]; | |
1758 | args[1] = list_fontsets (f, pattern, size); | |
1759 | return Fnconc (2, args); | |
1760 | } | |
82641697 | 1761 | } |
178c5d9c | 1762 | |
2dee4c0b | 1763 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 | 1764 | |
82641697 GM |
1765 | \f |
1766 | /*********************************************************************** | |
1767 | Lisp Faces | |
1768 | ***********************************************************************/ | |
1769 | ||
a08332c0 GM |
1770 | /* Access face attributes of face LFACE, a Lisp vector. */ |
1771 | ||
1772 | #define LFACE_FAMILY(LFACE) AREF ((LFACE), LFACE_FAMILY_INDEX) | |
53aaf1e2 | 1773 | #define LFACE_FOUNDRY(LFACE) AREF ((LFACE), LFACE_FOUNDRY_INDEX) |
a08332c0 GM |
1774 | #define LFACE_HEIGHT(LFACE) AREF ((LFACE), LFACE_HEIGHT_INDEX) |
1775 | #define LFACE_WEIGHT(LFACE) AREF ((LFACE), LFACE_WEIGHT_INDEX) | |
1776 | #define LFACE_SLANT(LFACE) AREF ((LFACE), LFACE_SLANT_INDEX) | |
1777 | #define LFACE_UNDERLINE(LFACE) AREF ((LFACE), LFACE_UNDERLINE_INDEX) | |
1778 | #define LFACE_INVERSE(LFACE) AREF ((LFACE), LFACE_INVERSE_INDEX) | |
1779 | #define LFACE_FOREGROUND(LFACE) AREF ((LFACE), LFACE_FOREGROUND_INDEX) | |
1780 | #define LFACE_BACKGROUND(LFACE) AREF ((LFACE), LFACE_BACKGROUND_INDEX) | |
1781 | #define LFACE_STIPPLE(LFACE) AREF ((LFACE), LFACE_STIPPLE_INDEX) | |
1782 | #define LFACE_SWIDTH(LFACE) AREF ((LFACE), LFACE_SWIDTH_INDEX) | |
1783 | #define LFACE_OVERLINE(LFACE) AREF ((LFACE), LFACE_OVERLINE_INDEX) | |
1784 | #define LFACE_STRIKE_THROUGH(LFACE) AREF ((LFACE), LFACE_STRIKE_THROUGH_INDEX) | |
1785 | #define LFACE_BOX(LFACE) AREF ((LFACE), LFACE_BOX_INDEX) | |
1786 | #define LFACE_FONT(LFACE) AREF ((LFACE), LFACE_FONT_INDEX) | |
1787 | #define LFACE_INHERIT(LFACE) AREF ((LFACE), LFACE_INHERIT_INDEX) | |
763bc839 | 1788 | #define LFACE_FONTSET(LFACE) AREF ((LFACE), LFACE_FONTSET_INDEX) |
82641697 GM |
1789 | |
1790 | /* Non-zero if LFACE is a Lisp face. A Lisp face is a vector of size | |
1791 | LFACE_VECTOR_SIZE which has the symbol `face' in slot 0. */ | |
1792 | ||
1793 | #define LFACEP(LFACE) \ | |
1794 | (VECTORP (LFACE) \ | |
77b37c05 | 1795 | && ASIZE (LFACE) == LFACE_VECTOR_SIZE \ |
a08332c0 | 1796 | && EQ (AREF (LFACE, 0), Qface)) |
82641697 | 1797 | |
178c5d9c | 1798 | |
e509cfa6 | 1799 | #ifdef GLYPH_DEBUG |
82641697 GM |
1800 | |
1801 | /* Check consistency of Lisp face attribute vector ATTRS. */ | |
1802 | ||
1803 | static void | |
4973679b | 1804 | check_lface_attrs (Lisp_Object attrs[LFACE_VECTOR_SIZE]) |
82641697 | 1805 | { |
a54e2c05 | 1806 | eassert (UNSPECIFIEDP (attrs[LFACE_FAMILY_INDEX]) |
2ff10663 | 1807 | || IGNORE_DEFFACE_P (attrs[LFACE_FAMILY_INDEX]) |
82641697 | 1808 | || STRINGP (attrs[LFACE_FAMILY_INDEX])); |
a54e2c05 | 1809 | eassert (UNSPECIFIEDP (attrs[LFACE_FOUNDRY_INDEX]) |
53aaf1e2 KH |
1810 | || IGNORE_DEFFACE_P (attrs[LFACE_FOUNDRY_INDEX]) |
1811 | || STRINGP (attrs[LFACE_FOUNDRY_INDEX])); | |
a54e2c05 | 1812 | eassert (UNSPECIFIEDP (attrs[LFACE_SWIDTH_INDEX]) |
2ff10663 | 1813 | || IGNORE_DEFFACE_P (attrs[LFACE_SWIDTH_INDEX]) |
82641697 | 1814 | || SYMBOLP (attrs[LFACE_SWIDTH_INDEX])); |
a54e2c05 | 1815 | eassert (UNSPECIFIEDP (attrs[LFACE_HEIGHT_INDEX]) |
2ff10663 | 1816 | || IGNORE_DEFFACE_P (attrs[LFACE_HEIGHT_INDEX]) |
2c20458f MB |
1817 | || INTEGERP (attrs[LFACE_HEIGHT_INDEX]) |
1818 | || FLOATP (attrs[LFACE_HEIGHT_INDEX]) | |
1819 | || FUNCTIONP (attrs[LFACE_HEIGHT_INDEX])); | |
a54e2c05 | 1820 | eassert (UNSPECIFIEDP (attrs[LFACE_WEIGHT_INDEX]) |
2ff10663 | 1821 | || IGNORE_DEFFACE_P (attrs[LFACE_WEIGHT_INDEX]) |
82641697 | 1822 | || SYMBOLP (attrs[LFACE_WEIGHT_INDEX])); |
a54e2c05 | 1823 | eassert (UNSPECIFIEDP (attrs[LFACE_SLANT_INDEX]) |
2ff10663 | 1824 | || IGNORE_DEFFACE_P (attrs[LFACE_SLANT_INDEX]) |
82641697 | 1825 | || SYMBOLP (attrs[LFACE_SLANT_INDEX])); |
a54e2c05 | 1826 | eassert (UNSPECIFIEDP (attrs[LFACE_UNDERLINE_INDEX]) |
2ff10663 | 1827 | || IGNORE_DEFFACE_P (attrs[LFACE_UNDERLINE_INDEX]) |
82641697 | 1828 | || SYMBOLP (attrs[LFACE_UNDERLINE_INDEX]) |
9b0e3eba AA |
1829 | || STRINGP (attrs[LFACE_UNDERLINE_INDEX]) |
1830 | || CONSP (attrs[LFACE_UNDERLINE_INDEX])); | |
a54e2c05 | 1831 | eassert (UNSPECIFIEDP (attrs[LFACE_OVERLINE_INDEX]) |
2ff10663 | 1832 | || IGNORE_DEFFACE_P (attrs[LFACE_OVERLINE_INDEX]) |
82641697 GM |
1833 | || SYMBOLP (attrs[LFACE_OVERLINE_INDEX]) |
1834 | || STRINGP (attrs[LFACE_OVERLINE_INDEX])); | |
a54e2c05 | 1835 | eassert (UNSPECIFIEDP (attrs[LFACE_STRIKE_THROUGH_INDEX]) |
2ff10663 | 1836 | || IGNORE_DEFFACE_P (attrs[LFACE_STRIKE_THROUGH_INDEX]) |
82641697 GM |
1837 | || SYMBOLP (attrs[LFACE_STRIKE_THROUGH_INDEX]) |
1838 | || STRINGP (attrs[LFACE_STRIKE_THROUGH_INDEX])); | |
a54e2c05 | 1839 | eassert (UNSPECIFIEDP (attrs[LFACE_BOX_INDEX]) |
2ff10663 | 1840 | || IGNORE_DEFFACE_P (attrs[LFACE_BOX_INDEX]) |
82641697 GM |
1841 | || SYMBOLP (attrs[LFACE_BOX_INDEX]) |
1842 | || STRINGP (attrs[LFACE_BOX_INDEX]) | |
1843 | || INTEGERP (attrs[LFACE_BOX_INDEX]) | |
1844 | || CONSP (attrs[LFACE_BOX_INDEX])); | |
a54e2c05 | 1845 | eassert (UNSPECIFIEDP (attrs[LFACE_INVERSE_INDEX]) |
2ff10663 | 1846 | || IGNORE_DEFFACE_P (attrs[LFACE_INVERSE_INDEX]) |
82641697 | 1847 | || SYMBOLP (attrs[LFACE_INVERSE_INDEX])); |
a54e2c05 | 1848 | eassert (UNSPECIFIEDP (attrs[LFACE_FOREGROUND_INDEX]) |
2ff10663 | 1849 | || IGNORE_DEFFACE_P (attrs[LFACE_FOREGROUND_INDEX]) |
82641697 | 1850 | || STRINGP (attrs[LFACE_FOREGROUND_INDEX])); |
a54e2c05 | 1851 | eassert (UNSPECIFIEDP (attrs[LFACE_BACKGROUND_INDEX]) |
2ff10663 | 1852 | || IGNORE_DEFFACE_P (attrs[LFACE_BACKGROUND_INDEX]) |
82641697 | 1853 | || STRINGP (attrs[LFACE_BACKGROUND_INDEX])); |
a54e2c05 | 1854 | eassert (UNSPECIFIEDP (attrs[LFACE_INHERIT_INDEX]) |
2ff10663 | 1855 | || IGNORE_DEFFACE_P (attrs[LFACE_INHERIT_INDEX]) |
2c20458f MB |
1856 | || NILP (attrs[LFACE_INHERIT_INDEX]) |
1857 | || SYMBOLP (attrs[LFACE_INHERIT_INDEX]) | |
1858 | || CONSP (attrs[LFACE_INHERIT_INDEX])); | |
82641697 | 1859 | #ifdef HAVE_WINDOW_SYSTEM |
a54e2c05 | 1860 | eassert (UNSPECIFIEDP (attrs[LFACE_STIPPLE_INDEX]) |
2ff10663 | 1861 | || IGNORE_DEFFACE_P (attrs[LFACE_STIPPLE_INDEX]) |
82641697 | 1862 | || SYMBOLP (attrs[LFACE_STIPPLE_INDEX]) |
fef04523 | 1863 | || !NILP (Fbitmap_spec_p (attrs[LFACE_STIPPLE_INDEX]))); |
a54e2c05 | 1864 | eassert (UNSPECIFIEDP (attrs[LFACE_FONT_INDEX]) |
2ff10663 | 1865 | || IGNORE_DEFFACE_P (attrs[LFACE_FONT_INDEX]) |
2dee4c0b | 1866 | || FONTP (attrs[LFACE_FONT_INDEX])); |
a54e2c05 | 1867 | eassert (UNSPECIFIEDP (attrs[LFACE_FONTSET_INDEX]) |
f25e39b4 EZ |
1868 | || STRINGP (attrs[LFACE_FONTSET_INDEX]) |
1869 | || NILP (attrs[LFACE_FONTSET_INDEX])); | |
82641697 GM |
1870 | #endif |
1871 | } | |
1872 | ||
1873 | ||
1874 | /* Check consistency of attributes of Lisp face LFACE (a Lisp vector). */ | |
1875 | ||
1876 | static void | |
7d7d0045 | 1877 | check_lface (Lisp_Object lface) |
82641697 GM |
1878 | { |
1879 | if (!NILP (lface)) | |
1880 | { | |
a54e2c05 | 1881 | eassert (LFACEP (lface)); |
82641697 GM |
1882 | check_lface_attrs (XVECTOR (lface)->contents); |
1883 | } | |
1884 | } | |
1885 | ||
e509cfa6 | 1886 | #else /* not GLYPH_DEBUG */ |
82641697 GM |
1887 | |
1888 | #define check_lface_attrs(attrs) (void) 0 | |
1889 | #define check_lface(lface) (void) 0 | |
1890 | ||
e509cfa6 | 1891 | #endif /* GLYPH_DEBUG */ |
82641697 GM |
1892 | |
1893 | ||
a0a23346 MB |
1894 | \f |
1895 | /* Face-merge cycle checking. */ | |
1896 | ||
f2cec7a9 MB |
1897 | enum named_merge_point_kind |
1898 | { | |
1899 | NAMED_MERGE_POINT_NORMAL, | |
1900 | NAMED_MERGE_POINT_REMAP | |
1901 | }; | |
1902 | ||
a0a23346 MB |
1903 | /* A `named merge point' is simply a point during face-merging where we |
1904 | look up a face by name. We keep a stack of which named lookups we're | |
1905 | currently processing so that we can easily detect cycles, using a | |
1906 | linked- list of struct named_merge_point structures, typically | |
1907 | allocated on the stack frame of the named lookup functions which are | |
1908 | active (so no consing is required). */ | |
1909 | struct named_merge_point | |
1910 | { | |
1911 | Lisp_Object face_name; | |
f2cec7a9 | 1912 | enum named_merge_point_kind named_merge_point_kind; |
a0a23346 MB |
1913 | struct named_merge_point *prev; |
1914 | }; | |
1915 | ||
1916 | ||
1917 | /* If a face merging cycle is detected for FACE_NAME, return 0, | |
1918 | otherwise add NEW_NAMED_MERGE_POINT, which is initialized using | |
f2cec7a9 MB |
1919 | FACE_NAME and NAMED_MERGE_POINT_KIND, as the head of the linked list |
1920 | pointed to by NAMED_MERGE_POINTS, and return 1. */ | |
a0a23346 | 1921 | |
b0ab8123 | 1922 | static int |
a0a23346 MB |
1923 | push_named_merge_point (struct named_merge_point *new_named_merge_point, |
1924 | Lisp_Object face_name, | |
f2cec7a9 | 1925 | enum named_merge_point_kind named_merge_point_kind, |
a0a23346 MB |
1926 | struct named_merge_point **named_merge_points) |
1927 | { | |
1928 | struct named_merge_point *prev; | |
1929 | ||
1930 | for (prev = *named_merge_points; prev; prev = prev->prev) | |
1931 | if (EQ (face_name, prev->face_name)) | |
f2cec7a9 MB |
1932 | { |
1933 | if (prev->named_merge_point_kind == named_merge_point_kind) | |
1934 | /* A cycle, so fail. */ | |
1935 | return 0; | |
1936 | else if (prev->named_merge_point_kind == NAMED_MERGE_POINT_REMAP) | |
1937 | /* A remap `hides ' any previous normal merge points | |
1938 | (because the remap means that it's actually different face), | |
1939 | so as we know the current merge point must be normal, we | |
1940 | can just assume it's OK. */ | |
1941 | break; | |
1942 | } | |
a0a23346 MB |
1943 | |
1944 | new_named_merge_point->face_name = face_name; | |
f2cec7a9 | 1945 | new_named_merge_point->named_merge_point_kind = named_merge_point_kind; |
a0a23346 MB |
1946 | new_named_merge_point->prev = *named_merge_points; |
1947 | ||
1948 | *named_merge_points = new_named_merge_point; | |
1949 | ||
1950 | return 1; | |
1951 | } | |
1952 | ||
1953 | \f | |
39506348 | 1954 | /* Resolve face name FACE_NAME. If FACE_NAME is a string, intern it |
d1bf13b3 KS |
1955 | to make it a symbol. If FACE_NAME is an alias for another face, |
1956 | return that face's name. | |
1957 | ||
1958 | Return default face in case of errors. */ | |
c7ae3284 GM |
1959 | |
1960 | static Lisp_Object | |
971de7fb | 1961 | resolve_face_name (Lisp_Object face_name, int signal_p) |
c7ae3284 | 1962 | { |
d1bf13b3 KS |
1963 | Lisp_Object orig_face; |
1964 | Lisp_Object tortoise, hare; | |
178c5d9c | 1965 | |
c7ae3284 | 1966 | if (STRINGP (face_name)) |
42a5b22f | 1967 | face_name = intern (SSDATA (face_name)); |
c7ae3284 | 1968 | |
d1bf13b3 KS |
1969 | if (NILP (face_name) || !SYMBOLP (face_name)) |
1970 | return face_name; | |
1971 | ||
1972 | orig_face = face_name; | |
1973 | tortoise = hare = face_name; | |
1974 | ||
1975 | while (1) | |
c7ae3284 | 1976 | { |
d1bf13b3 KS |
1977 | face_name = hare; |
1978 | hare = Fget (hare, Qface_alias); | |
1979 | if (NILP (hare) || !SYMBOLP (hare)) | |
c7ae3284 | 1980 | break; |
d1bf13b3 KS |
1981 | |
1982 | face_name = hare; | |
1983 | hare = Fget (hare, Qface_alias); | |
1984 | if (NILP (hare) || !SYMBOLP (hare)) | |
f3745204 | 1985 | break; |
d1bf13b3 KS |
1986 | |
1987 | tortoise = Fget (tortoise, Qface_alias); | |
1988 | if (EQ (hare, tortoise)) | |
1989 | { | |
1990 | if (signal_p) | |
8009eb44 | 1991 | xsignal1 (Qcircular_list, orig_face); |
d1bf13b3 KS |
1992 | return Qdefault; |
1993 | } | |
c7ae3284 GM |
1994 | } |
1995 | ||
1996 | return face_name; | |
1997 | } | |
1998 | ||
1999 | ||
82641697 | 2000 | /* Return the face definition of FACE_NAME on frame F. F null means |
45d9f1ef GM |
2001 | return the definition for new frames. FACE_NAME may be a string or |
2002 | a symbol (apparently Emacs 20.2 allowed strings as face names in | |
f2cec7a9 MB |
2003 | face text properties; Ediff uses that). If SIGNAL_P is non-zero, |
2004 | signal an error if FACE_NAME is not a valid face name. If SIGNAL_P | |
2005 | is zero, value is nil if FACE_NAME is not a valid face name. */ | |
b0ab8123 | 2006 | static Lisp_Object |
b5f03016 AS |
2007 | lface_from_face_name_no_resolve (struct frame *f, Lisp_Object face_name, |
2008 | int signal_p) | |
82641697 | 2009 | { |
c7ae3284 | 2010 | Lisp_Object lface; |
82641697 GM |
2011 | |
2012 | if (f) | |
e69b0960 | 2013 | lface = assq_no_quit (face_name, f->face_alist); |
82641697 GM |
2014 | else |
2015 | lface = assq_no_quit (face_name, Vface_new_frame_defaults); | |
2016 | ||
2017 | if (CONSP (lface)) | |
2018 | lface = XCDR (lface); | |
2019 | else if (signal_p) | |
2020 | signal_error ("Invalid face", face_name); | |
2021 | ||
2022 | check_lface (lface); | |
f2cec7a9 | 2023 | |
82641697 GM |
2024 | return lface; |
2025 | } | |
2026 | ||
f2cec7a9 MB |
2027 | /* Return the face definition of FACE_NAME on frame F. F null means |
2028 | return the definition for new frames. FACE_NAME may be a string or | |
2029 | a symbol (apparently Emacs 20.2 allowed strings as face names in | |
2030 | face text properties; Ediff uses that). If FACE_NAME is an alias | |
2031 | for another face, return that face's definition. If SIGNAL_P is | |
2032 | non-zero, signal an error if FACE_NAME is not a valid face name. | |
2033 | If SIGNAL_P is zero, value is nil if FACE_NAME is not a valid face | |
2034 | name. */ | |
b0ab8123 | 2035 | static Lisp_Object |
971de7fb | 2036 | lface_from_face_name (struct frame *f, Lisp_Object face_name, int signal_p) |
f2cec7a9 MB |
2037 | { |
2038 | face_name = resolve_face_name (face_name, signal_p); | |
2039 | return lface_from_face_name_no_resolve (f, face_name, signal_p); | |
2040 | } | |
2041 | ||
82641697 | 2042 | |
e7d7fd8c MB |
2043 | /* Get face attributes of face FACE_NAME from frame-local faces on |
2044 | frame F. Store the resulting attributes in ATTRS which must point | |
2045 | to a vector of Lisp_Objects of size LFACE_VECTOR_SIZE. If SIGNAL_P | |
2046 | is non-zero, signal an error if FACE_NAME does not name a face. | |
2047 | Otherwise, value is zero if FACE_NAME is not a face. */ | |
2048 | ||
b0ab8123 | 2049 | static int |
b5f03016 | 2050 | get_lface_attributes_no_remap (struct frame *f, Lisp_Object face_name, |
4973679b PE |
2051 | Lisp_Object attrs[LFACE_VECTOR_SIZE], |
2052 | int signal_p) | |
e7d7fd8c MB |
2053 | { |
2054 | Lisp_Object lface; | |
e7d7fd8c | 2055 | |
f2cec7a9 MB |
2056 | lface = lface_from_face_name_no_resolve (f, face_name, signal_p); |
2057 | ||
2058 | if (! NILP (lface)) | |
72af86bd AS |
2059 | memcpy (attrs, XVECTOR (lface)->contents, |
2060 | LFACE_VECTOR_SIZE * sizeof *attrs); | |
f2cec7a9 MB |
2061 | |
2062 | return !NILP (lface); | |
2063 | } | |
2064 | ||
2065 | /* Get face attributes of face FACE_NAME from frame-local faces on frame | |
2066 | F. Store the resulting attributes in ATTRS which must point to a | |
2067 | vector of Lisp_Objects of size LFACE_VECTOR_SIZE. If FACE_NAME is an | |
2068 | alias for another face, use that face's definition. If SIGNAL_P is | |
2069 | non-zero, signal an error if FACE_NAME does not name a face. | |
2070 | Otherwise, value is zero if FACE_NAME is not a face. */ | |
2071 | ||
b0ab8123 | 2072 | static int |
b5f03016 | 2073 | get_lface_attributes (struct frame *f, Lisp_Object face_name, |
4973679b | 2074 | Lisp_Object attrs[LFACE_VECTOR_SIZE], int signal_p, |
b5f03016 | 2075 | struct named_merge_point *named_merge_points) |
f2cec7a9 MB |
2076 | { |
2077 | Lisp_Object face_remapping; | |
2078 | ||
2079 | face_name = resolve_face_name (face_name, signal_p); | |
2080 | ||
2081 | /* See if SYMBOL has been remapped to some other face (usually this | |
2082 | is done buffer-locally). */ | |
2083 | face_remapping = assq_no_quit (face_name, Vface_remapping_alist); | |
2084 | if (CONSP (face_remapping)) | |
e7d7fd8c | 2085 | { |
f2cec7a9 MB |
2086 | struct named_merge_point named_merge_point; |
2087 | ||
2088 | if (push_named_merge_point (&named_merge_point, | |
2089 | face_name, NAMED_MERGE_POINT_REMAP, | |
2090 | &named_merge_points)) | |
2091 | { | |
2092 | int i; | |
2093 | ||
2094 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
2095 | attrs[i] = Qunspecified; | |
2096 | ||
2097 | return merge_face_ref (f, XCDR (face_remapping), attrs, | |
2098 | signal_p, named_merge_points); | |
2099 | } | |
e7d7fd8c | 2100 | } |
e7d7fd8c | 2101 | |
f2cec7a9 MB |
2102 | /* Default case, no remapping. */ |
2103 | return get_lface_attributes_no_remap (f, face_name, attrs, signal_p); | |
e7d7fd8c MB |
2104 | } |
2105 | ||
2106 | ||
82641697 GM |
2107 | /* Non-zero if all attributes in face attribute vector ATTRS are |
2108 | specified, i.e. are non-nil. */ | |
2109 | ||
2110 | static int | |
4973679b | 2111 | lface_fully_specified_p (Lisp_Object attrs[LFACE_VECTOR_SIZE]) |
82641697 GM |
2112 | { |
2113 | int i; | |
2114 | ||
2115 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
2dee4c0b | 2116 | if (i != LFACE_FONT_INDEX && i != LFACE_INHERIT_INDEX) |
9e2a2647 | 2117 | if ((UNSPECIFIEDP (attrs[i]) || IGNORE_DEFFACE_P (attrs[i]))) |
b5f03016 | 2118 | break; |
82641697 GM |
2119 | |
2120 | return i == LFACE_VECTOR_SIZE; | |
2121 | } | |
2122 | ||
c3cee013 | 2123 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 2124 | |
2dee4c0b KH |
2125 | /* Set font-related attributes of Lisp face LFACE from FONT-OBJECT. |
2126 | If FORCE_P is zero, set only unspecified attributes of LFACE. The | |
2127 | exception is `font' attribute. It is set to FONT_OBJECT regardless | |
2128 | of FORCE_P. */ | |
178c5d9c | 2129 | |
82641697 | 2130 | static int |
b5f03016 AS |
2131 | set_lface_from_font (struct frame *f, Lisp_Object lface, |
2132 | Lisp_Object font_object, int force_p) | |
f4d3bea3 | 2133 | { |
f4d3bea3 | 2134 | Lisp_Object val; |
2dee4c0b | 2135 | struct font *font = XFONT_OBJECT (font_object); |
f4d3bea3 KH |
2136 | |
2137 | /* Set attributes only if unspecified, otherwise face defaults for | |
2138 | new frames would never take effect. If the font doesn't have a | |
2139 | specific property, set a normal value for that. */ | |
2140 | ||
2141 | if (force_p || UNSPECIFIEDP (LFACE_FAMILY (lface))) | |
2142 | { | |
2dee4c0b | 2143 | Lisp_Object family = AREF (font_object, FONT_FAMILY_INDEX); |
f4d3bea3 | 2144 | |
4939150c | 2145 | ASET (lface, LFACE_FAMILY_INDEX, SYMBOL_NAME (family)); |
53aaf1e2 KH |
2146 | } |
2147 | ||
2148 | if (force_p || UNSPECIFIEDP (LFACE_FOUNDRY (lface))) | |
2149 | { | |
2150 | Lisp_Object foundry = AREF (font_object, FONT_FOUNDRY_INDEX); | |
2151 | ||
4939150c | 2152 | ASET (lface, LFACE_FOUNDRY_INDEX, SYMBOL_NAME (foundry)); |
f4d3bea3 KH |
2153 | } |
2154 | ||
2155 | if (force_p || UNSPECIFIEDP (LFACE_HEIGHT (lface))) | |
2156 | { | |
2dee4c0b | 2157 | int pt = PIXEL_TO_POINT (font->pixel_size * 10, f->resy); |
f4d3bea3 | 2158 | |
a54e2c05 | 2159 | eassert (pt > 0); |
4939150c | 2160 | ASET (lface, LFACE_HEIGHT_INDEX, make_number (pt)); |
f4d3bea3 KH |
2161 | } |
2162 | ||
f4d3bea3 KH |
2163 | if (force_p || UNSPECIFIEDP (LFACE_WEIGHT (lface))) |
2164 | { | |
2dee4c0b | 2165 | val = FONT_WEIGHT_FOR_FACE (font_object); |
4939150c | 2166 | ASET (lface, LFACE_WEIGHT_INDEX, ! NILP (val) ? val :Qnormal); |
f4d3bea3 KH |
2167 | } |
2168 | if (force_p || UNSPECIFIEDP (LFACE_SLANT (lface))) | |
2169 | { | |
2dee4c0b | 2170 | val = FONT_SLANT_FOR_FACE (font_object); |
4939150c | 2171 | ASET (lface, LFACE_SLANT_INDEX, ! NILP (val) ? val : Qnormal); |
f4d3bea3 KH |
2172 | } |
2173 | if (force_p || UNSPECIFIEDP (LFACE_SWIDTH (lface))) | |
2174 | { | |
2dee4c0b | 2175 | val = FONT_WIDTH_FOR_FACE (font_object); |
4939150c | 2176 | ASET (lface, LFACE_SWIDTH_INDEX, ! NILP (val) ? val : Qnormal); |
f4d3bea3 KH |
2177 | } |
2178 | ||
4939150c | 2179 | ASET (lface, LFACE_FONT_INDEX, font_object); |
2dee4c0b | 2180 | return 1; |
f4d3bea3 | 2181 | } |
f4d3bea3 | 2182 | |
c3cee013 | 2183 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
2184 | |
2185 | ||
2c20458f MB |
2186 | /* Merges the face height FROM with the face height TO, and returns the |
2187 | merged height. If FROM is an invalid height, then INVALID is | |
cdfaafa9 MB |
2188 | returned instead. FROM and TO may be either absolute face heights or |
2189 | `relative' heights; the returned value is always an absolute height | |
fe69cf00 | 2190 | unless both FROM and TO are relative. */ |
2c20458f | 2191 | |
6b463e58 | 2192 | static Lisp_Object |
971de7fb | 2193 | merge_face_heights (Lisp_Object from, Lisp_Object to, Lisp_Object invalid) |
2c20458f | 2194 | { |
cdfaafa9 | 2195 | Lisp_Object result = invalid; |
2c20458f MB |
2196 | |
2197 | if (INTEGERP (from)) | |
cdfaafa9 MB |
2198 | /* FROM is absolute, just use it as is. */ |
2199 | result = from; | |
2200 | else if (FLOATP (from)) | |
2201 | /* FROM is a scale, use it to adjust TO. */ | |
2202 | { | |
2203 | if (INTEGERP (to)) | |
2204 | /* relative X absolute => absolute */ | |
d311d28c | 2205 | result = make_number (XFLOAT_DATA (from) * XINT (to)); |
cdfaafa9 MB |
2206 | else if (FLOATP (to)) |
2207 | /* relative X relative => relative */ | |
2208 | result = make_float (XFLOAT_DATA (from) * XFLOAT_DATA (to)); | |
a0a23346 MB |
2209 | else if (UNSPECIFIEDP (to)) |
2210 | result = from; | |
2c20458f | 2211 | } |
2c20458f | 2212 | else if (FUNCTIONP (from)) |
cdfaafa9 | 2213 | /* FROM is a function, which use to adjust TO. */ |
2c20458f MB |
2214 | { |
2215 | /* Call function with current height as argument. | |
2216 | From is the new height. */ | |
6cd7a139 | 2217 | result = safe_call1 (from, to); |
2c20458f | 2218 | |
cdfaafa9 MB |
2219 | /* Ensure that if TO was absolute, so is the result. */ |
2220 | if (INTEGERP (to) && !INTEGERP (result)) | |
2221 | result = invalid; | |
2c20458f MB |
2222 | } |
2223 | ||
cdfaafa9 | 2224 | return result; |
2c20458f MB |
2225 | } |
2226 | ||
2227 | ||
2228 | /* Merge two Lisp face attribute vectors on frame F, FROM and TO, and | |
613fa7f2 | 2229 | store the resulting attributes in TO, which must be already be |
e7d7fd8c MB |
2230 | completely specified and contain only absolute attributes. Every |
2231 | specified attribute of FROM overrides the corresponding attribute of | |
2232 | TO; relative attributes in FROM are merged with the absolute value in | |
2233 | TO and replace it. NAMED_MERGE_POINTS is used internally to detect | |
f2cec7a9 MB |
2234 | loops in face inheritance/remapping; it should be 0 when called from |
2235 | other places. */ | |
82641697 | 2236 | |
b0ab8123 | 2237 | static void |
b5f03016 AS |
2238 | merge_face_vectors (struct frame *f, Lisp_Object *from, Lisp_Object *to, |
2239 | struct named_merge_point *named_merge_points) | |
82641697 GM |
2240 | { |
2241 | int i; | |
383dcbf9 | 2242 | Lisp_Object font = Qnil; |
2c20458f MB |
2243 | |
2244 | /* If FROM inherits from some other faces, merge their attributes into | |
2245 | TO before merging FROM's direct attributes. Note that an :inherit | |
2246 | attribute of `unspecified' is the same as one of nil; we never | |
2247 | merge :inherit attributes, so nil is more correct, but lots of | |
2248 | other code uses `unspecified' as a generic value for face attributes. */ | |
2249 | if (!UNSPECIFIEDP (from[LFACE_INHERIT_INDEX]) | |
2250 | && !NILP (from[LFACE_INHERIT_INDEX])) | |
a0a23346 | 2251 | merge_face_ref (f, from[LFACE_INHERIT_INDEX], to, 0, named_merge_points); |
2c20458f | 2252 | |
383dcbf9 | 2253 | if (FONT_SPEC_P (from[LFACE_FONT_INDEX])) |
2dee4c0b | 2254 | { |
383dcbf9 CY |
2255 | if (!UNSPECIFIEDP (to[LFACE_FONT_INDEX])) |
2256 | font = merge_font_spec (from[LFACE_FONT_INDEX], to[LFACE_FONT_INDEX]); | |
2dee4c0b | 2257 | else |
383dcbf9 CY |
2258 | font = copy_font_spec (from[LFACE_FONT_INDEX]); |
2259 | to[LFACE_FONT_INDEX] = font; | |
2dee4c0b | 2260 | } |
87188200 | 2261 | |
82641697 GM |
2262 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) |
2263 | if (!UNSPECIFIEDP (from[i])) | |
ab8469eb PJ |
2264 | { |
2265 | if (i == LFACE_HEIGHT_INDEX && !INTEGERP (from[i])) | |
2dee4c0b KH |
2266 | { |
2267 | to[i] = merge_face_heights (from[i], to[i], to[i]); | |
2268 | font_clear_prop (to, FONT_SIZE_INDEX); | |
2269 | } | |
383dcbf9 | 2270 | else if (i != LFACE_FONT_INDEX && ! EQ (to[i], from[i])) |
2dee4c0b KH |
2271 | { |
2272 | to[i] = from[i]; | |
2273 | if (i >= LFACE_FAMILY_INDEX && i <=LFACE_SLANT_INDEX) | |
2274 | font_clear_prop (to, | |
2275 | (i == LFACE_FAMILY_INDEX ? FONT_FAMILY_INDEX | |
53aaf1e2 | 2276 | : i == LFACE_FOUNDRY_INDEX ? FONT_FOUNDRY_INDEX |
2dee4c0b KH |
2277 | : i == LFACE_SWIDTH_INDEX ? FONT_WIDTH_INDEX |
2278 | : i == LFACE_HEIGHT_INDEX ? FONT_SIZE_INDEX | |
2279 | : i == LFACE_WEIGHT_INDEX ? FONT_WEIGHT_INDEX | |
2280 | : FONT_SLANT_INDEX)); | |
2281 | } | |
ab8469eb | 2282 | } |
2c20458f | 2283 | |
383dcbf9 CY |
2284 | /* If FROM specifies a font spec, make its contents take precedence |
2285 | over :family and other attributes. This is needed for face | |
2286 | remapping using :font to work. */ | |
2287 | ||
2288 | if (!NILP (font)) | |
2289 | { | |
2290 | if (! NILP (AREF (font, FONT_FOUNDRY_INDEX))) | |
2291 | to[LFACE_FOUNDRY_INDEX] = SYMBOL_NAME (AREF (font, FONT_FOUNDRY_INDEX)); | |
2292 | if (! NILP (AREF (font, FONT_FAMILY_INDEX))) | |
2293 | to[LFACE_FAMILY_INDEX] = SYMBOL_NAME (AREF (font, FONT_FAMILY_INDEX)); | |
2294 | if (! NILP (AREF (font, FONT_WEIGHT_INDEX))) | |
2295 | to[LFACE_WEIGHT_INDEX] = FONT_WEIGHT_FOR_FACE (font); | |
2296 | if (! NILP (AREF (font, FONT_SLANT_INDEX))) | |
2297 | to[LFACE_SLANT_INDEX] = FONT_SLANT_FOR_FACE (font); | |
2298 | if (! NILP (AREF (font, FONT_WIDTH_INDEX))) | |
2299 | to[LFACE_SWIDTH_INDEX] = FONT_WIDTH_FOR_FACE (font); | |
2300 | ASET (font, FONT_SIZE_INDEX, Qnil); | |
2301 | } | |
2302 | ||
2c20458f MB |
2303 | /* TO is always an absolute face, which should inherit from nothing. |
2304 | We blindly copy the :inherit attribute above and fix it up here. */ | |
2305 | to[LFACE_INHERIT_INDEX] = Qnil; | |
2306 | } | |
2307 | ||
a0a23346 MB |
2308 | /* Merge the named face FACE_NAME on frame F, into the vector of face |
2309 | attributes TO. NAMED_MERGE_POINTS is used to detect loops in face | |
2310 | inheritance. Returns true if FACE_NAME is a valid face name and | |
2311 | merging succeeded. */ | |
6288c62f | 2312 | |
a0a23346 | 2313 | static int |
b5f03016 AS |
2314 | merge_named_face (struct frame *f, Lisp_Object face_name, Lisp_Object *to, |
2315 | struct named_merge_point *named_merge_points) | |
2c20458f | 2316 | { |
a0a23346 | 2317 | struct named_merge_point named_merge_point; |
2c20458f | 2318 | |
a0a23346 | 2319 | if (push_named_merge_point (&named_merge_point, |
f2cec7a9 MB |
2320 | face_name, NAMED_MERGE_POINT_NORMAL, |
2321 | &named_merge_points)) | |
2c20458f | 2322 | { |
e1e419ec | 2323 | struct gcpro gcpro1; |
e7d7fd8c | 2324 | Lisp_Object from[LFACE_VECTOR_SIZE]; |
f2cec7a9 | 2325 | int ok = get_lface_attributes (f, face_name, from, 0, named_merge_points); |
2c20458f | 2326 | |
e7d7fd8c MB |
2327 | if (ok) |
2328 | { | |
2329 | GCPRO1 (named_merge_point.face_name); | |
2330 | merge_face_vectors (f, from, to, named_merge_points); | |
2331 | UNGCPRO; | |
2332 | } | |
2333 | ||
2334 | return ok; | |
2c20458f | 2335 | } |
a0a23346 MB |
2336 | else |
2337 | return 0; | |
82641697 GM |
2338 | } |
2339 | ||
2340 | ||
a0a23346 MB |
2341 | /* Merge face attributes from the lisp `face reference' FACE_REF on |
2342 | frame F into the face attribute vector TO. If ERR_MSGS is non-zero, | |
2343 | problems with FACE_REF cause an error message to be shown. Return | |
2344 | non-zero if no errors occurred (regardless of the value of ERR_MSGS). | |
2345 | NAMED_MERGE_POINTS is used to detect loops in face inheritance or | |
2346 | list structure; it may be 0 for most callers. | |
2347 | ||
2348 | FACE_REF may be a single face specification or a list of such | |
2349 | specifications. Each face specification can be: | |
82641697 GM |
2350 | |
2351 | 1. A symbol or string naming a Lisp face. | |
2352 | ||
2353 | 2. A property list of the form (KEYWORD VALUE ...) where each | |
2354 | KEYWORD is a face attribute name, and value is an appropriate value | |
2355 | for that attribute. | |
2356 | ||
2357 | 3. Conses or the form (FOREGROUND-COLOR . COLOR) or | |
2358 | (BACKGROUND-COLOR . COLOR) where COLOR is a color name. This is | |
2359 | for compatibility with 20.2. | |
2360 | ||
2361 | Face specifications earlier in lists take precedence over later | |
2362 | specifications. */ | |
178c5d9c | 2363 | |
a0a23346 | 2364 | static int |
b5f03016 AS |
2365 | merge_face_ref (struct frame *f, Lisp_Object face_ref, Lisp_Object *to, |
2366 | int err_msgs, struct named_merge_point *named_merge_points) | |
82641697 | 2367 | { |
a0a23346 MB |
2368 | int ok = 1; /* Succeed without an error? */ |
2369 | ||
2370 | if (CONSP (face_ref)) | |
82641697 | 2371 | { |
a0a23346 | 2372 | Lisp_Object first = XCAR (face_ref); |
178c5d9c | 2373 | |
82641697 GM |
2374 | if (EQ (first, Qforeground_color) |
2375 | || EQ (first, Qbackground_color)) | |
2376 | { | |
2377 | /* One of (FOREGROUND-COLOR . COLOR) or (BACKGROUND-COLOR | |
2378 | . COLOR). COLOR must be a string. */ | |
a0a23346 | 2379 | Lisp_Object color_name = XCDR (face_ref); |
82641697 GM |
2380 | Lisp_Object color = first; |
2381 | ||
2382 | if (STRINGP (color_name)) | |
2383 | { | |
2384 | if (EQ (color, Qforeground_color)) | |
2385 | to[LFACE_FOREGROUND_INDEX] = color_name; | |
2386 | else | |
2387 | to[LFACE_BACKGROUND_INDEX] = color_name; | |
2388 | } | |
2389 | else | |
a0a23346 MB |
2390 | { |
2391 | if (err_msgs) | |
2392 | add_to_log ("Invalid face color", color_name, Qnil); | |
2393 | ok = 0; | |
2394 | } | |
82641697 GM |
2395 | } |
2396 | else if (SYMBOLP (first) | |
d5db4077 | 2397 | && *SDATA (SYMBOL_NAME (first)) == ':') |
82641697 GM |
2398 | { |
2399 | /* Assume this is the property list form. */ | |
a0a23346 | 2400 | while (CONSP (face_ref) && CONSP (XCDR (face_ref))) |
82641697 | 2401 | { |
a0a23346 MB |
2402 | Lisp_Object keyword = XCAR (face_ref); |
2403 | Lisp_Object value = XCAR (XCDR (face_ref)); | |
2404 | int err = 0; | |
82641697 | 2405 | |
d9639b25 RS |
2406 | /* Specifying `unspecified' is a no-op. */ |
2407 | if (EQ (value, Qunspecified)) | |
2408 | ; | |
2409 | else if (EQ (keyword, QCfamily)) | |
82641697 GM |
2410 | { |
2411 | if (STRINGP (value)) | |
2dee4c0b KH |
2412 | { |
2413 | to[LFACE_FAMILY_INDEX] = value; | |
2414 | font_clear_prop (to, FONT_FAMILY_INDEX); | |
2415 | } | |
82641697 | 2416 | else |
a0a23346 | 2417 | err = 1; |
82641697 | 2418 | } |
53aaf1e2 KH |
2419 | else if (EQ (keyword, QCfoundry)) |
2420 | { | |
2421 | if (STRINGP (value)) | |
2422 | { | |
2423 | to[LFACE_FOUNDRY_INDEX] = value; | |
2424 | font_clear_prop (to, FONT_FOUNDRY_INDEX); | |
2425 | } | |
2426 | else | |
2427 | err = 1; | |
2428 | } | |
82641697 GM |
2429 | else if (EQ (keyword, QCheight)) |
2430 | { | |
2c20458f | 2431 | Lisp_Object new_height = |
e1e419ec | 2432 | merge_face_heights (value, to[LFACE_HEIGHT_INDEX], Qnil); |
2c20458f | 2433 | |
a0a23346 | 2434 | if (! NILP (new_height)) |
2dee4c0b KH |
2435 | { |
2436 | to[LFACE_HEIGHT_INDEX] = new_height; | |
2437 | font_clear_prop (to, FONT_SIZE_INDEX); | |
2438 | } | |
a0a23346 MB |
2439 | else |
2440 | err = 1; | |
82641697 GM |
2441 | } |
2442 | else if (EQ (keyword, QCweight)) | |
2443 | { | |
2dee4c0b KH |
2444 | if (SYMBOLP (value) && FONT_WEIGHT_NAME_NUMERIC (value) >= 0) |
2445 | { | |
2446 | to[LFACE_WEIGHT_INDEX] = value; | |
2447 | font_clear_prop (to, FONT_WEIGHT_INDEX); | |
2448 | } | |
82641697 | 2449 | else |
a0a23346 | 2450 | err = 1; |
82641697 GM |
2451 | } |
2452 | else if (EQ (keyword, QCslant)) | |
2453 | { | |
2dee4c0b KH |
2454 | if (SYMBOLP (value) && FONT_SLANT_NAME_NUMERIC (value) >= 0) |
2455 | { | |
2456 | to[LFACE_SLANT_INDEX] = value; | |
2457 | font_clear_prop (to, FONT_SLANT_INDEX); | |
2458 | } | |
82641697 | 2459 | else |
a0a23346 | 2460 | err = 1; |
82641697 GM |
2461 | } |
2462 | else if (EQ (keyword, QCunderline)) | |
2463 | { | |
2464 | if (EQ (value, Qt) | |
2465 | || NILP (value) | |
9b0e3eba AA |
2466 | || STRINGP (value) |
2467 | || CONSP (value)) | |
82641697 GM |
2468 | to[LFACE_UNDERLINE_INDEX] = value; |
2469 | else | |
a0a23346 | 2470 | err = 1; |
82641697 GM |
2471 | } |
2472 | else if (EQ (keyword, QCoverline)) | |
2473 | { | |
2474 | if (EQ (value, Qt) | |
2475 | || NILP (value) | |
2476 | || STRINGP (value)) | |
2477 | to[LFACE_OVERLINE_INDEX] = value; | |
2478 | else | |
a0a23346 | 2479 | err = 1; |
82641697 GM |
2480 | } |
2481 | else if (EQ (keyword, QCstrike_through)) | |
2482 | { | |
2483 | if (EQ (value, Qt) | |
2484 | || NILP (value) | |
2485 | || STRINGP (value)) | |
2486 | to[LFACE_STRIKE_THROUGH_INDEX] = value; | |
2487 | else | |
a0a23346 | 2488 | err = 1; |
82641697 GM |
2489 | } |
2490 | else if (EQ (keyword, QCbox)) | |
2491 | { | |
2492 | if (EQ (value, Qt)) | |
2493 | value = make_number (1); | |
2494 | if (INTEGERP (value) | |
2495 | || STRINGP (value) | |
2496 | || CONSP (value) | |
2497 | || NILP (value)) | |
2498 | to[LFACE_BOX_INDEX] = value; | |
2499 | else | |
a0a23346 | 2500 | err = 1; |
82641697 GM |
2501 | } |
2502 | else if (EQ (keyword, QCinverse_video) | |
2503 | || EQ (keyword, QCreverse_video)) | |
2504 | { | |
2505 | if (EQ (value, Qt) || NILP (value)) | |
2506 | to[LFACE_INVERSE_INDEX] = value; | |
2507 | else | |
a0a23346 | 2508 | err = 1; |
82641697 GM |
2509 | } |
2510 | else if (EQ (keyword, QCforeground)) | |
2511 | { | |
2512 | if (STRINGP (value)) | |
2513 | to[LFACE_FOREGROUND_INDEX] = value; | |
2514 | else | |
a0a23346 | 2515 | err = 1; |
82641697 GM |
2516 | } |
2517 | else if (EQ (keyword, QCbackground)) | |
2518 | { | |
2519 | if (STRINGP (value)) | |
2520 | to[LFACE_BACKGROUND_INDEX] = value; | |
2521 | else | |
a0a23346 | 2522 | err = 1; |
82641697 GM |
2523 | } |
2524 | else if (EQ (keyword, QCstipple)) | |
2525 | { | |
17a2cbbd | 2526 | #if defined (HAVE_WINDOW_SYSTEM) |
fef04523 | 2527 | Lisp_Object pixmap_p = Fbitmap_spec_p (value); |
82641697 GM |
2528 | if (!NILP (pixmap_p)) |
2529 | to[LFACE_STIPPLE_INDEX] = value; | |
2530 | else | |
a0a23346 | 2531 | err = 1; |
17a2cbbd | 2532 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
2533 | } |
2534 | else if (EQ (keyword, QCwidth)) | |
2535 | { | |
2dee4c0b KH |
2536 | if (SYMBOLP (value) && FONT_WIDTH_NAME_NUMERIC (value) >= 0) |
2537 | { | |
2538 | to[LFACE_SWIDTH_INDEX] = value; | |
2539 | font_clear_prop (to, FONT_WIDTH_INDEX); | |
2540 | } | |
82641697 | 2541 | else |
a0a23346 | 2542 | err = 1; |
82641697 | 2543 | } |
383dcbf9 CY |
2544 | else if (EQ (keyword, QCfont)) |
2545 | { | |
2546 | if (FONTP (value)) | |
2547 | to[LFACE_FONT_INDEX] = value; | |
2548 | else | |
2549 | err = 1; | |
2550 | } | |
2c20458f MB |
2551 | else if (EQ (keyword, QCinherit)) |
2552 | { | |
a0a23346 MB |
2553 | /* This is not really very useful; it's just like a |
2554 | normal face reference. */ | |
2555 | if (! merge_face_ref (f, value, to, | |
2556 | err_msgs, named_merge_points)) | |
2557 | err = 1; | |
2c20458f | 2558 | } |
82641697 | 2559 | else |
a0a23346 | 2560 | err = 1; |
82641697 | 2561 | |
a0a23346 MB |
2562 | if (err) |
2563 | { | |
2564 | add_to_log ("Invalid face attribute %S %S", keyword, value); | |
2565 | ok = 0; | |
2566 | } | |
82641697 | 2567 | |
a0a23346 | 2568 | face_ref = XCDR (XCDR (face_ref)); |
82641697 GM |
2569 | } |
2570 | } | |
2571 | else | |
2572 | { | |
a0a23346 MB |
2573 | /* This is a list of face refs. Those at the beginning of the |
2574 | list take precedence over what follows, so we have to merge | |
2575 | from the end backwards. */ | |
2576 | Lisp_Object next = XCDR (face_ref); | |
2577 | ||
2578 | if (! NILP (next)) | |
2579 | ok = merge_face_ref (f, next, to, err_msgs, named_merge_points); | |
2580 | ||
2581 | if (! merge_face_ref (f, first, to, err_msgs, named_merge_points)) | |
2582 | ok = 0; | |
82641697 GM |
2583 | } |
2584 | } | |
2585 | else | |
2586 | { | |
a0a23346 MB |
2587 | /* FACE_REF ought to be a face name. */ |
2588 | ok = merge_named_face (f, face_ref, to, named_merge_points); | |
2589 | if (!ok && err_msgs) | |
2590 | add_to_log ("Invalid face reference: %s", face_ref, Qnil); | |
82641697 | 2591 | } |
a0a23346 MB |
2592 | |
2593 | return ok; | |
82641697 GM |
2594 | } |
2595 | ||
2596 | ||
2597 | DEFUN ("internal-make-lisp-face", Finternal_make_lisp_face, | |
2598 | Sinternal_make_lisp_face, 1, 2, 0, | |
7ee72033 | 2599 | doc: /* Make FACE, a symbol, a Lisp face with all attributes nil. |
228299fa GM |
2600 | If FACE was not known as a face before, create a new one. |
2601 | If optional argument FRAME is specified, make a frame-local face | |
2602 | for that frame. Otherwise operate on the global face definition. | |
7ee72033 | 2603 | Value is a vector of face attributes. */) |
5842a27b | 2604 | (Lisp_Object face, Lisp_Object frame) |
82641697 GM |
2605 | { |
2606 | Lisp_Object global_lface, lface; | |
2607 | struct frame *f; | |
2608 | int i; | |
2609 | ||
b7826503 | 2610 | CHECK_SYMBOL (face); |
82641697 | 2611 | global_lface = lface_from_face_name (NULL, face, 0); |
178c5d9c | 2612 | |
82641697 GM |
2613 | if (!NILP (frame)) |
2614 | { | |
b7826503 | 2615 | CHECK_LIVE_FRAME (frame); |
82641697 GM |
2616 | f = XFRAME (frame); |
2617 | lface = lface_from_face_name (f, face, 0); | |
2618 | } | |
2619 | else | |
2620 | f = NULL, lface = Qnil; | |
2621 | ||
2622 | /* Add a global definition if there is none. */ | |
2623 | if (NILP (global_lface)) | |
2624 | { | |
2625 | global_lface = Fmake_vector (make_number (LFACE_VECTOR_SIZE), | |
2626 | Qunspecified); | |
dfae5f9a | 2627 | ASET (global_lface, 0, Qface); |
178c5d9c | 2628 | Vface_new_frame_defaults = Fcons (Fcons (face, global_lface), |
82641697 | 2629 | Vface_new_frame_defaults); |
178c5d9c | 2630 | |
82641697 GM |
2631 | /* Assign the new Lisp face a unique ID. The mapping from Lisp |
2632 | face id to Lisp face is given by the vector lface_id_to_name. | |
2633 | The mapping from Lisp face to Lisp face id is given by the | |
2634 | property `face' of the Lisp face name. */ | |
2635 | if (next_lface_id == lface_id_to_name_size) | |
0065d054 | 2636 | lface_id_to_name = |
d311d28c | 2637 | xpalloc (lface_id_to_name, &lface_id_to_name_size, 1, MAX_FACE_ID, |
0065d054 | 2638 | sizeof *lface_id_to_name); |
178c5d9c | 2639 | |
82641697 GM |
2640 | lface_id_to_name[next_lface_id] = face; |
2641 | Fput (face, Qface, make_number (next_lface_id)); | |
2642 | ++next_lface_id; | |
2643 | } | |
2644 | else if (f == NULL) | |
2645 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
dfae5f9a | 2646 | ASET (global_lface, i, Qunspecified); |
178c5d9c | 2647 | |
82641697 GM |
2648 | /* Add a frame-local definition. */ |
2649 | if (f) | |
2650 | { | |
2651 | if (NILP (lface)) | |
2652 | { | |
2653 | lface = Fmake_vector (make_number (LFACE_VECTOR_SIZE), | |
2654 | Qunspecified); | |
dfae5f9a | 2655 | ASET (lface, 0, Qface); |
f00af5b1 | 2656 | fset_face_alist (f, Fcons (Fcons (face, lface), f->face_alist)); |
82641697 GM |
2657 | } |
2658 | else | |
2659 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
dfae5f9a | 2660 | ASET (lface, i, Qunspecified); |
82641697 GM |
2661 | } |
2662 | else | |
2663 | lface = global_lface; | |
2664 | ||
33565969 RS |
2665 | /* Changing a named face means that all realized faces depending on |
2666 | that face are invalid. Since we cannot tell which realized faces | |
2667 | depend on the face, make sure they are all removed. This is done | |
2668 | by incrementing face_change_count. The next call to | |
2669 | init_iterator will then free realized faces. */ | |
46b00436 KS |
2670 | if (NILP (Fget (face, Qface_no_inherit))) |
2671 | { | |
2672 | ++face_change_count; | |
2673 | ++windows_or_buffers_changed; | |
2674 | } | |
33565969 | 2675 | |
a54e2c05 | 2676 | eassert (LFACEP (lface)); |
82641697 GM |
2677 | check_lface (lface); |
2678 | return lface; | |
2679 | } | |
2680 | ||
2681 | ||
2682 | DEFUN ("internal-lisp-face-p", Finternal_lisp_face_p, | |
2683 | Sinternal_lisp_face_p, 1, 2, 0, | |
7ee72033 | 2684 | doc: /* Return non-nil if FACE names a face. |
b84ce3c5 | 2685 | FACE should be a symbol or string. |
1d256714 | 2686 | If optional second argument FRAME is non-nil, check for the |
228299fa | 2687 | existence of a frame-local face with name FACE on that frame. |
7ee72033 | 2688 | Otherwise check for the existence of a global face. */) |
5842a27b | 2689 | (Lisp_Object face, Lisp_Object frame) |
82641697 GM |
2690 | { |
2691 | Lisp_Object lface; | |
178c5d9c | 2692 | |
65fddb74 JB |
2693 | face = resolve_face_name (face, 1); |
2694 | ||
82641697 GM |
2695 | if (!NILP (frame)) |
2696 | { | |
b7826503 | 2697 | CHECK_LIVE_FRAME (frame); |
82641697 GM |
2698 | lface = lface_from_face_name (XFRAME (frame), face, 0); |
2699 | } | |
2700 | else | |
2701 | lface = lface_from_face_name (NULL, face, 0); | |
2702 | ||
2703 | return lface; | |
2704 | } | |
2705 | ||
2706 | ||
2707 | DEFUN ("internal-copy-lisp-face", Finternal_copy_lisp_face, | |
2708 | Sinternal_copy_lisp_face, 4, 4, 0, | |
7ee72033 | 2709 | doc: /* Copy face FROM to TO. |
5e9bab6f RS |
2710 | If FRAME is t, copy the global face definition of FROM. |
2711 | Otherwise, copy the frame-local definition of FROM on FRAME. | |
2712 | If NEW-FRAME is a frame, copy that data into the frame-local | |
d5ab09cd | 2713 | definition of TO on NEW-FRAME. If NEW-FRAME is nil, |
5e9bab6f | 2714 | FRAME controls where the data is copied to. |
228299fa | 2715 | |
5e9bab6f | 2716 | The value is TO. */) |
5842a27b | 2717 | (Lisp_Object from, Lisp_Object to, Lisp_Object frame, Lisp_Object new_frame) |
82641697 GM |
2718 | { |
2719 | Lisp_Object lface, copy; | |
178c5d9c | 2720 | |
b7826503 PJ |
2721 | CHECK_SYMBOL (from); |
2722 | CHECK_SYMBOL (to); | |
82641697 GM |
2723 | |
2724 | if (EQ (frame, Qt)) | |
2725 | { | |
2726 | /* Copy global definition of FROM. We don't make copies of | |
2727 | strings etc. because 20.2 didn't do it either. */ | |
2728 | lface = lface_from_face_name (NULL, from, 1); | |
2729 | copy = Finternal_make_lisp_face (to, Qnil); | |
2730 | } | |
2731 | else | |
2732 | { | |
2733 | /* Copy frame-local definition of FROM. */ | |
5e9bab6f RS |
2734 | if (NILP (new_frame)) |
2735 | new_frame = frame; | |
b7826503 PJ |
2736 | CHECK_LIVE_FRAME (frame); |
2737 | CHECK_LIVE_FRAME (new_frame); | |
82641697 GM |
2738 | lface = lface_from_face_name (XFRAME (frame), from, 1); |
2739 | copy = Finternal_make_lisp_face (to, new_frame); | |
2740 | } | |
178c5d9c | 2741 | |
086ca913 | 2742 | vcopy (copy, 0, XVECTOR (lface)->contents, LFACE_VECTOR_SIZE); |
178c5d9c | 2743 | |
33565969 RS |
2744 | /* Changing a named face means that all realized faces depending on |
2745 | that face are invalid. Since we cannot tell which realized faces | |
2746 | depend on the face, make sure they are all removed. This is done | |
2747 | by incrementing face_change_count. The next call to | |
2748 | init_iterator will then free realized faces. */ | |
46b00436 KS |
2749 | if (NILP (Fget (to, Qface_no_inherit))) |
2750 | { | |
2751 | ++face_change_count; | |
2752 | ++windows_or_buffers_changed; | |
2753 | } | |
33565969 | 2754 | |
82641697 GM |
2755 | return to; |
2756 | } | |
2757 | ||
2758 | ||
2759 | DEFUN ("internal-set-lisp-face-attribute", Finternal_set_lisp_face_attribute, | |
2760 | Sinternal_set_lisp_face_attribute, 3, 4, 0, | |
7ee72033 | 2761 | doc: /* Set attribute ATTR of FACE to VALUE. |
228299fa GM |
2762 | FRAME being a frame means change the face on that frame. |
2763 | FRAME nil means change the face of the selected frame. | |
2764 | FRAME t means change the default for new frames. | |
2765 | FRAME 0 means change the face on all frames, and change the default | |
7ee72033 | 2766 | for new frames. */) |
5842a27b | 2767 | (Lisp_Object face, Lisp_Object attr, Lisp_Object value, Lisp_Object frame) |
82641697 GM |
2768 | { |
2769 | Lisp_Object lface; | |
2770 | Lisp_Object old_value = Qnil; | |
2dee4c0b KH |
2771 | /* Set one of enum font_property_index (> 0) if ATTR is one of |
2772 | font-related attributes other than QCfont and QCfontset. */ | |
2773 | enum font_property_index prop_index = 0; | |
178c5d9c | 2774 | |
b7826503 PJ |
2775 | CHECK_SYMBOL (face); |
2776 | CHECK_SYMBOL (attr); | |
82641697 | 2777 | |
d1bf13b3 | 2778 | face = resolve_face_name (face, 1); |
c7ae3284 | 2779 | |
628436fb GM |
2780 | /* If FRAME is 0, change face on all frames, and change the |
2781 | default for new frames. */ | |
2782 | if (INTEGERP (frame) && XINT (frame) == 0) | |
2783 | { | |
2784 | Lisp_Object tail; | |
d12d0a9b | 2785 | Finternal_set_lisp_face_attribute (face, attr, value, Qt); |
628436fb GM |
2786 | FOR_EACH_FRAME (tail, frame) |
2787 | Finternal_set_lisp_face_attribute (face, attr, value, frame); | |
d12d0a9b | 2788 | return face; |
628436fb GM |
2789 | } |
2790 | ||
82641697 GM |
2791 | /* Set lface to the Lisp attribute vector of FACE. */ |
2792 | if (EQ (frame, Qt)) | |
0268cef3 CY |
2793 | { |
2794 | lface = lface_from_face_name (NULL, face, 1); | |
67d23e01 CY |
2795 | |
2796 | /* When updating face-new-frame-defaults, we put :ignore-defface | |
2797 | where the caller wants `unspecified'. This forces the frame | |
2798 | defaults to ignore the defface value. Otherwise, the defface | |
2799 | will take effect, which is generally not what is intended. | |
2800 | The value of that attribute will be inherited from some other | |
2801 | face during face merging. See internal_merge_in_global_face. */ | |
0268cef3 | 2802 | if (UNSPECIFIEDP (value)) |
a3720aa2 | 2803 | value = QCignore_defface; |
0268cef3 | 2804 | } |
82641697 GM |
2805 | else |
2806 | { | |
2807 | if (NILP (frame)) | |
c0617987 | 2808 | frame = selected_frame; |
178c5d9c | 2809 | |
b7826503 | 2810 | CHECK_LIVE_FRAME (frame); |
82641697 | 2811 | lface = lface_from_face_name (XFRAME (frame), face, 0); |
178c5d9c | 2812 | |
82641697 GM |
2813 | /* If a frame-local face doesn't exist yet, create one. */ |
2814 | if (NILP (lface)) | |
2815 | lface = Finternal_make_lisp_face (face, frame); | |
2816 | } | |
2817 | ||
2818 | if (EQ (attr, QCfamily)) | |
2819 | { | |
2ff10663 | 2820 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 | 2821 | { |
b7826503 | 2822 | CHECK_STRING (value); |
d5db4077 | 2823 | if (SCHARS (value) == 0) |
82641697 GM |
2824 | signal_error ("Invalid face family", value); |
2825 | } | |
2826 | old_value = LFACE_FAMILY (lface); | |
4939150c | 2827 | ASET (lface, LFACE_FAMILY_INDEX, value); |
2dee4c0b | 2828 | prop_index = FONT_FAMILY_INDEX; |
82641697 | 2829 | } |
53aaf1e2 KH |
2830 | else if (EQ (attr, QCfoundry)) |
2831 | { | |
2832 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) | |
2833 | { | |
2834 | CHECK_STRING (value); | |
2835 | if (SCHARS (value) == 0) | |
2836 | signal_error ("Invalid face foundry", value); | |
2837 | } | |
2838 | old_value = LFACE_FOUNDRY (lface); | |
4939150c | 2839 | ASET (lface, LFACE_FOUNDRY_INDEX, value); |
53aaf1e2 KH |
2840 | prop_index = FONT_FOUNDRY_INDEX; |
2841 | } | |
82641697 GM |
2842 | else if (EQ (attr, QCheight)) |
2843 | { | |
2ff10663 | 2844 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 | 2845 | { |
e66d5363 CY |
2846 | if (EQ (face, Qdefault)) |
2847 | { | |
2848 | /* The default face must have an absolute size. */ | |
2849 | if (!INTEGERP (value) || XINT (value) <= 0) | |
b5f03016 AS |
2850 | signal_error ("Default face height not absolute and positive", |
2851 | value); | |
e66d5363 CY |
2852 | } |
2853 | else | |
2854 | { | |
2855 | /* For non-default faces, do a test merge with a random | |
2856 | height to see if VALUE's ok. */ | |
2857 | Lisp_Object test = merge_face_heights (value, | |
2858 | make_number (10), | |
2859 | Qnil); | |
2860 | if (!INTEGERP (test) || XINT (test) <= 0) | |
b5f03016 AS |
2861 | signal_error ("Face height does not produce a positive integer", |
2862 | value); | |
e66d5363 | 2863 | } |
82641697 | 2864 | } |
2c20458f | 2865 | |
82641697 | 2866 | old_value = LFACE_HEIGHT (lface); |
4939150c | 2867 | ASET (lface, LFACE_HEIGHT_INDEX, value); |
2dee4c0b | 2868 | prop_index = FONT_SIZE_INDEX; |
82641697 GM |
2869 | } |
2870 | else if (EQ (attr, QCweight)) | |
2871 | { | |
2ff10663 | 2872 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 | 2873 | { |
b7826503 | 2874 | CHECK_SYMBOL (value); |
2dee4c0b | 2875 | if (FONT_WEIGHT_NAME_NUMERIC (value) < 0) |
82641697 GM |
2876 | signal_error ("Invalid face weight", value); |
2877 | } | |
2878 | old_value = LFACE_WEIGHT (lface); | |
4939150c | 2879 | ASET (lface, LFACE_WEIGHT_INDEX, value); |
2dee4c0b | 2880 | prop_index = FONT_WEIGHT_INDEX; |
82641697 GM |
2881 | } |
2882 | else if (EQ (attr, QCslant)) | |
2883 | { | |
2ff10663 | 2884 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 | 2885 | { |
b7826503 | 2886 | CHECK_SYMBOL (value); |
2dee4c0b | 2887 | if (FONT_SLANT_NAME_NUMERIC (value) < 0) |
82641697 GM |
2888 | signal_error ("Invalid face slant", value); |
2889 | } | |
2890 | old_value = LFACE_SLANT (lface); | |
4939150c | 2891 | ASET (lface, LFACE_SLANT_INDEX, value); |
2dee4c0b | 2892 | prop_index = FONT_SLANT_INDEX; |
82641697 GM |
2893 | } |
2894 | else if (EQ (attr, QCunderline)) | |
2895 | { | |
9b0e3eba | 2896 | int valid_p = 0; |
38182d90 | 2897 | |
9b0e3eba AA |
2898 | if (UNSPECIFIEDP (value) || IGNORE_DEFFACE_P (value)) |
2899 | valid_p = 1; | |
2900 | else if (NILP (value) || EQ (value, Qt)) | |
2901 | valid_p = 1; | |
2902 | else if (STRINGP (value) && SCHARS (value) > 0) | |
2903 | valid_p = 1; | |
2904 | else if (CONSP (value)) | |
2905 | { | |
2906 | Lisp_Object key, val, list; | |
2907 | ||
2908 | list = value; | |
2909 | valid_p = 1; | |
2910 | ||
2911 | while (!NILP (CAR_SAFE(list))) | |
2912 | { | |
2913 | key = CAR_SAFE (list); | |
2914 | list = CDR_SAFE (list); | |
2915 | val = CAR_SAFE (list); | |
2916 | list = CDR_SAFE (list); | |
38182d90 PE |
2917 | |
2918 | if (NILP (key) || NILP (val)) | |
9b0e3eba AA |
2919 | { |
2920 | valid_p = 0; | |
2921 | break; | |
2922 | } | |
2923 | ||
2924 | else if (EQ (key, QCcolor) | |
2925 | && !(EQ (val, Qforeground_color) | |
2926 | || (STRINGP (val) && SCHARS (val) > 0))) | |
2927 | { | |
2928 | valid_p = 0; | |
2929 | break; | |
2930 | } | |
38182d90 PE |
2931 | |
2932 | else if (EQ (key, QCstyle) | |
9b0e3eba AA |
2933 | && !(EQ (val, Qline) || EQ (val, Qwave))) |
2934 | { | |
2935 | valid_p = 0; | |
2936 | break; | |
2937 | } | |
2938 | } | |
2939 | } | |
38182d90 | 2940 | |
9b0e3eba AA |
2941 | if (!valid_p) |
2942 | signal_error ("Invalid face underline", value); | |
38182d90 | 2943 | |
82641697 | 2944 | old_value = LFACE_UNDERLINE (lface); |
4939150c | 2945 | ASET (lface, LFACE_UNDERLINE_INDEX, value); |
82641697 GM |
2946 | } |
2947 | else if (EQ (attr, QCoverline)) | |
2948 | { | |
2ff10663 | 2949 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 GM |
2950 | if ((SYMBOLP (value) |
2951 | && !EQ (value, Qt) | |
2952 | && !EQ (value, Qnil)) | |
2953 | /* Overline color. */ | |
2954 | || (STRINGP (value) | |
d5db4077 | 2955 | && SCHARS (value) == 0)) |
82641697 | 2956 | signal_error ("Invalid face overline", value); |
178c5d9c | 2957 | |
82641697 | 2958 | old_value = LFACE_OVERLINE (lface); |
4939150c | 2959 | ASET (lface, LFACE_OVERLINE_INDEX, value); |
82641697 GM |
2960 | } |
2961 | else if (EQ (attr, QCstrike_through)) | |
2962 | { | |
2ff10663 | 2963 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 GM |
2964 | if ((SYMBOLP (value) |
2965 | && !EQ (value, Qt) | |
2966 | && !EQ (value, Qnil)) | |
2967 | /* Strike-through color. */ | |
2968 | || (STRINGP (value) | |
d5db4077 | 2969 | && SCHARS (value) == 0)) |
82641697 | 2970 | signal_error ("Invalid face strike-through", value); |
178c5d9c | 2971 | |
82641697 | 2972 | old_value = LFACE_STRIKE_THROUGH (lface); |
4939150c | 2973 | ASET (lface, LFACE_STRIKE_THROUGH_INDEX, value); |
82641697 GM |
2974 | } |
2975 | else if (EQ (attr, QCbox)) | |
2976 | { | |
2977 | int valid_p; | |
178c5d9c | 2978 | |
82641697 | 2979 | /* Allow t meaning a simple box of width 1 in foreground color |
b5f03016 | 2980 | of the face. */ |
82641697 GM |
2981 | if (EQ (value, Qt)) |
2982 | value = make_number (1); | |
2983 | ||
2ff10663 | 2984 | if (UNSPECIFIEDP (value) || IGNORE_DEFFACE_P (value)) |
82641697 GM |
2985 | valid_p = 1; |
2986 | else if (NILP (value)) | |
2987 | valid_p = 1; | |
2988 | else if (INTEGERP (value)) | |
89624b8b | 2989 | valid_p = XINT (value) != 0; |
82641697 | 2990 | else if (STRINGP (value)) |
d5db4077 | 2991 | valid_p = SCHARS (value) > 0; |
82641697 GM |
2992 | else if (CONSP (value)) |
2993 | { | |
2994 | Lisp_Object tem; | |
178c5d9c | 2995 | |
82641697 GM |
2996 | tem = value; |
2997 | while (CONSP (tem)) | |
2998 | { | |
2999 | Lisp_Object k, v; | |
3000 | ||
3001 | k = XCAR (tem); | |
3002 | tem = XCDR (tem); | |
3003 | if (!CONSP (tem)) | |
3004 | break; | |
3005 | v = XCAR (tem); | |
3006 | tem = XCDR (tem); | |
178c5d9c | 3007 | |
82641697 GM |
3008 | if (EQ (k, QCline_width)) |
3009 | { | |
89624b8b | 3010 | if (!INTEGERP (v) || XINT (v) == 0) |
82641697 GM |
3011 | break; |
3012 | } | |
3013 | else if (EQ (k, QCcolor)) | |
3014 | { | |
91c212f1 | 3015 | if (!NILP (v) && (!STRINGP (v) || SCHARS (v) == 0)) |
82641697 GM |
3016 | break; |
3017 | } | |
3018 | else if (EQ (k, QCstyle)) | |
3019 | { | |
3020 | if (!EQ (v, Qpressed_button) && !EQ (v, Qreleased_button)) | |
3021 | break; | |
3022 | } | |
3023 | else | |
3024 | break; | |
3025 | } | |
3026 | ||
3027 | valid_p = NILP (tem); | |
3028 | } | |
3029 | else | |
3030 | valid_p = 0; | |
3031 | ||
3032 | if (!valid_p) | |
3033 | signal_error ("Invalid face box", value); | |
178c5d9c | 3034 | |
82641697 | 3035 | old_value = LFACE_BOX (lface); |
4939150c | 3036 | ASET (lface, LFACE_BOX_INDEX, value); |
82641697 GM |
3037 | } |
3038 | else if (EQ (attr, QCinverse_video) | |
3039 | || EQ (attr, QCreverse_video)) | |
3040 | { | |
2ff10663 | 3041 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 | 3042 | { |
b7826503 | 3043 | CHECK_SYMBOL (value); |
82641697 GM |
3044 | if (!EQ (value, Qt) && !NILP (value)) |
3045 | signal_error ("Invalid inverse-video face attribute value", value); | |
3046 | } | |
3047 | old_value = LFACE_INVERSE (lface); | |
4939150c | 3048 | ASET (lface, LFACE_INVERSE_INDEX, value); |
82641697 GM |
3049 | } |
3050 | else if (EQ (attr, QCforeground)) | |
3051 | { | |
ca6888b6 CY |
3052 | /* Compatibility with 20.x. */ |
3053 | if (NILP (value)) | |
3054 | value = Qunspecified; | |
2ff10663 | 3055 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 GM |
3056 | { |
3057 | /* Don't check for valid color names here because it depends | |
3058 | on the frame (display) whether the color will be valid | |
3059 | when the face is realized. */ | |
b7826503 | 3060 | CHECK_STRING (value); |
d5db4077 | 3061 | if (SCHARS (value) == 0) |
82641697 GM |
3062 | signal_error ("Empty foreground color value", value); |
3063 | } | |
3064 | old_value = LFACE_FOREGROUND (lface); | |
4939150c | 3065 | ASET (lface, LFACE_FOREGROUND_INDEX, value); |
82641697 GM |
3066 | } |
3067 | else if (EQ (attr, QCbackground)) | |
3068 | { | |
ca6888b6 CY |
3069 | /* Compatibility with 20.x. */ |
3070 | if (NILP (value)) | |
3071 | value = Qunspecified; | |
2ff10663 | 3072 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 GM |
3073 | { |
3074 | /* Don't check for valid color names here because it depends | |
3075 | on the frame (display) whether the color will be valid | |
3076 | when the face is realized. */ | |
b7826503 | 3077 | CHECK_STRING (value); |
d5db4077 | 3078 | if (SCHARS (value) == 0) |
82641697 GM |
3079 | signal_error ("Empty background color value", value); |
3080 | } | |
3081 | old_value = LFACE_BACKGROUND (lface); | |
4939150c | 3082 | ASET (lface, LFACE_BACKGROUND_INDEX, value); |
82641697 GM |
3083 | } |
3084 | else if (EQ (attr, QCstipple)) | |
3085 | { | |
17a2cbbd | 3086 | #if defined (HAVE_WINDOW_SYSTEM) |
2ff10663 | 3087 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value) |
82641697 | 3088 | && !NILP (value) |
fef04523 | 3089 | && NILP (Fbitmap_spec_p (value))) |
82641697 GM |
3090 | signal_error ("Invalid stipple attribute", value); |
3091 | old_value = LFACE_STIPPLE (lface); | |
4939150c | 3092 | ASET (lface, LFACE_STIPPLE_INDEX, value); |
17a2cbbd | 3093 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
3094 | } |
3095 | else if (EQ (attr, QCwidth)) | |
3096 | { | |
2ff10663 | 3097 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 | 3098 | { |
b7826503 | 3099 | CHECK_SYMBOL (value); |
2dee4c0b | 3100 | if (FONT_WIDTH_NAME_NUMERIC (value) < 0) |
82641697 GM |
3101 | signal_error ("Invalid face width", value); |
3102 | } | |
3103 | old_value = LFACE_SWIDTH (lface); | |
4939150c | 3104 | ASET (lface, LFACE_SWIDTH_INDEX, value); |
2dee4c0b | 3105 | prop_index = FONT_WIDTH_INDEX; |
82641697 | 3106 | } |
2dee4c0b | 3107 | else if (EQ (attr, QCfont)) |
82641697 | 3108 | { |
c3cee013 | 3109 | #ifdef HAVE_WINDOW_SYSTEM |
3d90c96c | 3110 | if (EQ (frame, Qt) || FRAME_WINDOW_P (XFRAME (frame))) |
96fbd2c6 | 3111 | { |
2dee4c0b | 3112 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
f4d3bea3 | 3113 | { |
2dee4c0b KH |
3114 | FRAME_PTR f; |
3115 | ||
3116 | old_value = LFACE_FONT (lface); | |
3117 | if (! FONTP (value)) | |
f4d3bea3 | 3118 | { |
2dee4c0b KH |
3119 | if (STRINGP (value)) |
3120 | { | |
21bdb81a CY |
3121 | Lisp_Object name = value; |
3122 | int fontset = fs_query_fontset (name, 0); | |
2dee4c0b KH |
3123 | |
3124 | if (fontset >= 0) | |
21bdb81a CY |
3125 | name = fontset_ascii (fontset); |
3126 | value = font_spec_from_name (name); | |
3127 | if (!FONTP (value)) | |
3128 | signal_error ("Invalid font name", name); | |
2dee4c0b KH |
3129 | } |
3130 | else | |
3131 | signal_error ("Invalid font or font-spec", value); | |
f4d3bea3 | 3132 | } |
2dee4c0b KH |
3133 | if (EQ (frame, Qt)) |
3134 | f = XFRAME (selected_frame); | |
f4d3bea3 | 3135 | else |
2dee4c0b KH |
3136 | f = XFRAME (frame); |
3137 | if (! FONT_OBJECT_P (value)) | |
f4d3bea3 | 3138 | { |
2dee4c0b | 3139 | Lisp_Object *attrs = XVECTOR (lface)->contents; |
f4d3bea3 KH |
3140 | Lisp_Object font_object; |
3141 | ||
2dee4c0b | 3142 | font_object = font_load_for_lface (f, attrs, value); |
db1c10a2 | 3143 | if (NILP (font_object)) |
2dee4c0b KH |
3144 | signal_error ("Font not available", value); |
3145 | value = font_object; | |
f4d3bea3 | 3146 | } |
2dee4c0b | 3147 | set_lface_from_font (f, lface, value, 1); |
f4d3bea3 KH |
3148 | } |
3149 | else | |
4939150c | 3150 | ASET (lface, LFACE_FONT_INDEX, value); |
2dee4c0b KH |
3151 | } |
3152 | #endif /* HAVE_WINDOW_SYSTEM */ | |
3153 | } | |
3154 | else if (EQ (attr, QCfontset)) | |
3155 | { | |
3156 | #ifdef HAVE_WINDOW_SYSTEM | |
3157 | if (EQ (frame, Qt) || FRAME_WINDOW_P (XFRAME (frame))) | |
3158 | { | |
3159 | Lisp_Object tmp; | |
39506348 | 3160 | |
2dee4c0b KH |
3161 | old_value = LFACE_FONTSET (lface); |
3162 | tmp = Fquery_fontset (value, Qnil); | |
3163 | if (NILP (tmp)) | |
3164 | signal_error ("Invalid fontset name", value); | |
4939150c | 3165 | ASET (lface, LFACE_FONTSET_INDEX, value = tmp); |
96fbd2c6 | 3166 | } |
c3cee013 | 3167 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 | 3168 | } |
2c20458f MB |
3169 | else if (EQ (attr, QCinherit)) |
3170 | { | |
3171 | Lisp_Object tail; | |
3172 | if (SYMBOLP (value)) | |
3173 | tail = Qnil; | |
3174 | else | |
3175 | for (tail = value; CONSP (tail); tail = XCDR (tail)) | |
3176 | if (!SYMBOLP (XCAR (tail))) | |
3177 | break; | |
3178 | if (NILP (tail)) | |
4939150c | 3179 | ASET (lface, LFACE_INHERIT_INDEX, value); |
2c20458f | 3180 | else |
6288c62f | 3181 | signal_error ("Invalid face inheritance", value); |
2c20458f | 3182 | } |
82641697 GM |
3183 | else if (EQ (attr, QCbold)) |
3184 | { | |
3185 | old_value = LFACE_WEIGHT (lface); | |
4939150c | 3186 | ASET (lface, LFACE_WEIGHT_INDEX, NILP (value) ? Qnormal : Qbold); |
2dee4c0b | 3187 | prop_index = FONT_WEIGHT_INDEX; |
82641697 GM |
3188 | } |
3189 | else if (EQ (attr, QCitalic)) | |
3190 | { | |
2dee4c0b | 3191 | attr = QCslant; |
82641697 | 3192 | old_value = LFACE_SLANT (lface); |
4939150c | 3193 | ASET (lface, LFACE_SLANT_INDEX, NILP (value) ? Qnormal : Qitalic); |
2dee4c0b | 3194 | prop_index = FONT_SLANT_INDEX; |
82641697 GM |
3195 | } |
3196 | else | |
3197 | signal_error ("Invalid face attribute name", attr); | |
3198 | ||
2dee4c0b | 3199 | if (prop_index) |
e69a00b7 CY |
3200 | { |
3201 | /* If a font-related attribute other than QCfont and QCfontset | |
3202 | is specified, and if the original QCfont attribute has a font | |
3203 | (font-spec or font-object), set the corresponding property in | |
3204 | the font to nil so that the font selector doesn't think that | |
3205 | the attribute is mandatory. Also, clear the average | |
3206 | width. */ | |
3207 | font_clear_prop (XVECTOR (lface)->contents, prop_index); | |
e69a00b7 | 3208 | } |
39506348 | 3209 | |
82641697 GM |
3210 | /* Changing a named face means that all realized faces depending on |
3211 | that face are invalid. Since we cannot tell which realized faces | |
3212 | depend on the face, make sure they are all removed. This is done | |
3213 | by incrementing face_change_count. The next call to | |
3214 | init_iterator will then free realized faces. */ | |
3215 | if (!EQ (frame, Qt) | |
46b00436 | 3216 | && NILP (Fget (face, Qface_no_inherit)) |
2dee4c0b | 3217 | && NILP (Fequal (old_value, value))) |
82641697 GM |
3218 | { |
3219 | ++face_change_count; | |
3220 | ++windows_or_buffers_changed; | |
3221 | } | |
3222 | ||
2ff10663 | 3223 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value) |
82641697 | 3224 | && NILP (Fequal (old_value, value))) |
8bd201d6 GM |
3225 | { |
3226 | Lisp_Object param; | |
3227 | ||
3228 | param = Qnil; | |
178c5d9c | 3229 | |
8bd201d6 GM |
3230 | if (EQ (face, Qdefault)) |
3231 | { | |
b9c769f8 | 3232 | #ifdef HAVE_WINDOW_SYSTEM |
8bd201d6 GM |
3233 | /* Changed font-related attributes of the `default' face are |
3234 | reflected in changed `font' frame parameters. */ | |
ceeda019 | 3235 | if (FRAMEP (frame) |
2dee4c0b | 3236 | && (prop_index || EQ (attr, QCfont)) |
8bd201d6 GM |
3237 | && lface_fully_specified_p (XVECTOR (lface)->contents)) |
3238 | set_font_frame_param (frame, lface); | |
b9c769f8 EZ |
3239 | else |
3240 | #endif /* HAVE_WINDOW_SYSTEM */ | |
3241 | ||
3242 | if (EQ (attr, QCforeground)) | |
8bd201d6 GM |
3243 | param = Qforeground_color; |
3244 | else if (EQ (attr, QCbackground)) | |
3245 | param = Qbackground_color; | |
3246 | } | |
b9c769f8 | 3247 | #ifdef HAVE_WINDOW_SYSTEM |
0fda9b75 | 3248 | #ifndef HAVE_NTGUI |
8bd201d6 GM |
3249 | else if (EQ (face, Qscroll_bar)) |
3250 | { | |
3251 | /* Changing the colors of `scroll-bar' sets frame parameters | |
3252 | `scroll-bar-foreground' and `scroll-bar-background'. */ | |
3253 | if (EQ (attr, QCforeground)) | |
3254 | param = Qscroll_bar_foreground; | |
3255 | else if (EQ (attr, QCbackground)) | |
3256 | param = Qscroll_bar_background; | |
3257 | } | |
0fda9b75 | 3258 | #endif /* not HAVE_NTGUI */ |
8bd201d6 GM |
3259 | else if (EQ (face, Qborder)) |
3260 | { | |
3261 | /* Changing background color of `border' sets frame parameter | |
3262 | `border-color'. */ | |
3263 | if (EQ (attr, QCbackground)) | |
3264 | param = Qborder_color; | |
3265 | } | |
3266 | else if (EQ (face, Qcursor)) | |
3267 | { | |
3268 | /* Changing background color of `cursor' sets frame parameter | |
3269 | `cursor-color'. */ | |
3270 | if (EQ (attr, QCbackground)) | |
3271 | param = Qcursor_color; | |
3272 | } | |
3273 | else if (EQ (face, Qmouse)) | |
3274 | { | |
3275 | /* Changing background color of `mouse' sets frame parameter | |
3276 | `mouse-color'. */ | |
3277 | if (EQ (attr, QCbackground)) | |
3278 | param = Qmouse_color; | |
3279 | } | |
b9c769f8 | 3280 | #endif /* HAVE_WINDOW_SYSTEM */ |
563f68f1 | 3281 | else if (EQ (face, Qmenu)) |
ceeda019 GM |
3282 | { |
3283 | /* Indicate that we have to update the menu bar when | |
3284 | realizing faces on FRAME. FRAME t change the | |
3285 | default for new frames. We do this by setting | |
3286 | setting the flag in new face caches */ | |
3287 | if (FRAMEP (frame)) | |
3288 | { | |
3289 | struct frame *f = XFRAME (frame); | |
3290 | if (FRAME_FACE_CACHE (f) == NULL) | |
3291 | FRAME_FACE_CACHE (f) = make_face_cache (f); | |
3292 | FRAME_FACE_CACHE (f)->menu_face_changed_p = 1; | |
3293 | } | |
3294 | else | |
3295 | menu_face_changed_default = 1; | |
3296 | } | |
8bd201d6 | 3297 | |
39506348 | 3298 | if (!NILP (param)) |
ab8469eb PJ |
3299 | { |
3300 | if (EQ (frame, Qt)) | |
3301 | /* Update `default-frame-alist', which is used for new frames. */ | |
3302 | { | |
3303 | store_in_alist (&Vdefault_frame_alist, param, value); | |
3304 | } | |
3305 | else | |
3306 | /* Update the current frame's parameters. */ | |
3307 | { | |
3308 | Lisp_Object cons; | |
3309 | cons = XCAR (Vparam_value_alist); | |
3310 | XSETCAR (cons, param); | |
3311 | XSETCDR (cons, value); | |
3312 | Fmodify_frame_parameters (frame, Vparam_value_alist); | |
3313 | } | |
3314 | } | |
8bd201d6 | 3315 | } |
82641697 | 3316 | |
82641697 GM |
3317 | return face; |
3318 | } | |
3319 | ||
3320 | ||
8bd201d6 GM |
3321 | /* Update the corresponding face when frame parameter PARAM on frame F |
3322 | has been assigned the value NEW_VALUE. */ | |
3323 | ||
3324 | void | |
b5f03016 AS |
3325 | update_face_from_frame_parameter (struct frame *f, Lisp_Object param, |
3326 | Lisp_Object new_value) | |
8bd201d6 | 3327 | { |
46b00436 | 3328 | Lisp_Object face = Qnil; |
8bd201d6 GM |
3329 | Lisp_Object lface; |
3330 | ||
3331 | /* If there are no faces yet, give up. This is the case when called | |
3332 | from Fx_create_frame, and we do the necessary things later in | |
92610620 | 3333 | face-set-after-frame-defaults. */ |
e69b0960 | 3334 | if (NILP (f->face_alist)) |
8bd201d6 | 3335 | return; |
178c5d9c | 3336 | |
8bd201d6 GM |
3337 | if (EQ (param, Qforeground_color)) |
3338 | { | |
46b00436 KS |
3339 | face = Qdefault; |
3340 | lface = lface_from_face_name (f, face, 1); | |
4939150c PE |
3341 | ASET (lface, LFACE_FOREGROUND_INDEX, |
3342 | (STRINGP (new_value) ? new_value : Qunspecified)); | |
8bd201d6 GM |
3343 | realize_basic_faces (f); |
3344 | } | |
3345 | else if (EQ (param, Qbackground_color)) | |
3346 | { | |
92610620 GM |
3347 | Lisp_Object frame; |
3348 | ||
3349 | /* Changing the background color might change the background | |
c20577bc | 3350 | mode, so that we have to load new defface specs. |
64677d90 | 3351 | Call frame-set-background-mode to do that. */ |
92610620 | 3352 | XSETFRAME (frame, f); |
c20577bc | 3353 | call1 (Qframe_set_background_mode, frame); |
178c5d9c | 3354 | |
46b00436 KS |
3355 | face = Qdefault; |
3356 | lface = lface_from_face_name (f, face, 1); | |
4939150c PE |
3357 | ASET (lface, LFACE_BACKGROUND_INDEX, |
3358 | (STRINGP (new_value) ? new_value : Qunspecified)); | |
8bd201d6 GM |
3359 | realize_basic_faces (f); |
3360 | } | |
76ea4cc9 | 3361 | #ifdef HAVE_WINDOW_SYSTEM |
46b00436 | 3362 | else if (EQ (param, Qborder_color)) |
8bd201d6 | 3363 | { |
46b00436 KS |
3364 | face = Qborder; |
3365 | lface = lface_from_face_name (f, face, 1); | |
4939150c PE |
3366 | ASET (lface, LFACE_BACKGROUND_INDEX, |
3367 | (STRINGP (new_value) ? new_value : Qunspecified)); | |
8bd201d6 GM |
3368 | } |
3369 | else if (EQ (param, Qcursor_color)) | |
3370 | { | |
46b00436 KS |
3371 | face = Qcursor; |
3372 | lface = lface_from_face_name (f, face, 1); | |
4939150c PE |
3373 | ASET (lface, LFACE_BACKGROUND_INDEX, |
3374 | (STRINGP (new_value) ? new_value : Qunspecified)); | |
8bd201d6 GM |
3375 | } |
3376 | else if (EQ (param, Qmouse_color)) | |
3377 | { | |
46b00436 KS |
3378 | face = Qmouse; |
3379 | lface = lface_from_face_name (f, face, 1); | |
4939150c PE |
3380 | ASET (lface, LFACE_BACKGROUND_INDEX, |
3381 | (STRINGP (new_value) ? new_value : Qunspecified)); | |
8bd201d6 | 3382 | } |
76ea4cc9 | 3383 | #endif |
46b00436 KS |
3384 | |
3385 | /* Changing a named face means that all realized faces depending on | |
3386 | that face are invalid. Since we cannot tell which realized faces | |
3387 | depend on the face, make sure they are all removed. This is done | |
3388 | by incrementing face_change_count. The next call to | |
3389 | init_iterator will then free realized faces. */ | |
3390 | if (!NILP (face) | |
3391 | && NILP (Fget (face, Qface_no_inherit))) | |
3392 | { | |
3393 | ++face_change_count; | |
3394 | ++windows_or_buffers_changed; | |
3395 | } | |
8bd201d6 GM |
3396 | } |
3397 | ||
3398 | ||
76ea4cc9 EZ |
3399 | #ifdef HAVE_WINDOW_SYSTEM |
3400 | ||
3401 | /* Set the `font' frame parameter of FRAME determined from the | |
3402 | font-object set in `default' face attributes LFACE. */ | |
3403 | ||
3404 | static void | |
971de7fb | 3405 | set_font_frame_param (Lisp_Object frame, Lisp_Object lface) |
76ea4cc9 EZ |
3406 | { |
3407 | struct frame *f = XFRAME (frame); | |
3408 | Lisp_Object font; | |
3409 | ||
3410 | if (FRAME_WINDOW_P (f) | |
3411 | /* Don't do anything if the font is `unspecified'. This can | |
3412 | happen during frame creation. */ | |
3413 | && (font = LFACE_FONT (lface), | |
3414 | ! UNSPECIFIEDP (font))) | |
3415 | { | |
3416 | if (FONT_SPEC_P (font)) | |
3417 | { | |
3418 | font = font_load_for_lface (f, XVECTOR (lface)->contents, font); | |
3419 | if (NILP (font)) | |
3420 | return; | |
4939150c | 3421 | ASET (lface, LFACE_FONT_INDEX, font); |
76ea4cc9 EZ |
3422 | } |
3423 | f->default_face_done_p = 0; | |
3424 | Fmodify_frame_parameters (frame, Fcons (Fcons (Qfont, font), Qnil)); | |
3425 | } | |
3426 | } | |
3427 | ||
3428 | ||
82641697 GM |
3429 | /* Get the value of X resource RESOURCE, class CLASS for the display |
3430 | of frame FRAME. This is here because ordinary `x-get-resource' | |
3431 | doesn't take a frame argument. */ | |
3432 | ||
3433 | DEFUN ("internal-face-x-get-resource", Finternal_face_x_get_resource, | |
7ee72033 | 3434 | Sinternal_face_x_get_resource, 3, 3, 0, doc: /* */) |
5842a27b | 3435 | (Lisp_Object resource, Lisp_Object class, Lisp_Object frame) |
82641697 | 3436 | { |
c3cee013 | 3437 | Lisp_Object value = Qnil; |
b7826503 PJ |
3438 | CHECK_STRING (resource); |
3439 | CHECK_STRING (class); | |
3440 | CHECK_LIVE_FRAME (frame); | |
4d7e6e51 | 3441 | block_input (); |
82641697 GM |
3442 | value = display_x_get_resource (FRAME_X_DISPLAY_INFO (XFRAME (frame)), |
3443 | resource, class, Qnil, Qnil); | |
4d7e6e51 | 3444 | unblock_input (); |
82641697 GM |
3445 | return value; |
3446 | } | |
3447 | ||
3448 | ||
3449 | /* Return resource string VALUE as a boolean value, i.e. nil, or t. | |
3450 | If VALUE is "on" or "true", return t. If VALUE is "off" or | |
3451 | "false", return nil. Otherwise, if SIGNAL_P is non-zero, signal an | |
3452 | error; if SIGNAL_P is zero, return 0. */ | |
178c5d9c | 3453 | |
82641697 | 3454 | static Lisp_Object |
971de7fb | 3455 | face_boolean_x_resource_value (Lisp_Object value, int signal_p) |
82641697 GM |
3456 | { |
3457 | Lisp_Object result = make_number (0); | |
3458 | ||
a54e2c05 | 3459 | eassert (STRINGP (value)); |
178c5d9c | 3460 | |
25a48bd0 PE |
3461 | if (xstrcasecmp (SSDATA (value), "on") == 0 |
3462 | || xstrcasecmp (SSDATA (value), "true") == 0) | |
82641697 | 3463 | result = Qt; |
25a48bd0 PE |
3464 | else if (xstrcasecmp (SSDATA (value), "off") == 0 |
3465 | || xstrcasecmp (SSDATA (value), "false") == 0) | |
82641697 | 3466 | result = Qnil; |
25a48bd0 | 3467 | else if (xstrcasecmp (SSDATA (value), "unspecified") == 0) |
82641697 GM |
3468 | result = Qunspecified; |
3469 | else if (signal_p) | |
3470 | signal_error ("Invalid face attribute value from X resource", value); | |
3471 | ||
3472 | return result; | |
3473 | } | |
3474 | ||
3475 | ||
3476 | DEFUN ("internal-set-lisp-face-attribute-from-resource", | |
3477 | Finternal_set_lisp_face_attribute_from_resource, | |
3478 | Sinternal_set_lisp_face_attribute_from_resource, | |
7ee72033 | 3479 | 3, 4, 0, doc: /* */) |
5842a27b | 3480 | (Lisp_Object face, Lisp_Object attr, Lisp_Object value, Lisp_Object frame) |
82641697 | 3481 | { |
b7826503 PJ |
3482 | CHECK_SYMBOL (face); |
3483 | CHECK_SYMBOL (attr); | |
3484 | CHECK_STRING (value); | |
82641697 | 3485 | |
25a48bd0 | 3486 | if (xstrcasecmp (SSDATA (value), "unspecified") == 0) |
82641697 GM |
3487 | value = Qunspecified; |
3488 | else if (EQ (attr, QCheight)) | |
3489 | { | |
3490 | value = Fstring_to_number (value, make_number (10)); | |
3491 | if (XINT (value) <= 0) | |
3492 | signal_error ("Invalid face height from X resource", value); | |
3493 | } | |
3494 | else if (EQ (attr, QCbold) || EQ (attr, QCitalic)) | |
3495 | value = face_boolean_x_resource_value (value, 1); | |
3496 | else if (EQ (attr, QCweight) || EQ (attr, QCslant) || EQ (attr, QCwidth)) | |
42a5b22f | 3497 | value = intern (SSDATA (value)); |
82641697 GM |
3498 | else if (EQ (attr, QCreverse_video) || EQ (attr, QCinverse_video)) |
3499 | value = face_boolean_x_resource_value (value, 1); | |
3500 | else if (EQ (attr, QCunderline) | |
3501 | || EQ (attr, QCoverline) | |
27188d11 | 3502 | || EQ (attr, QCstrike_through)) |
82641697 GM |
3503 | { |
3504 | Lisp_Object boolean_value; | |
3505 | ||
3506 | /* If the result of face_boolean_x_resource_value is t or nil, | |
3507 | VALUE does NOT specify a color. */ | |
3508 | boolean_value = face_boolean_x_resource_value (value, 0); | |
3509 | if (SYMBOLP (boolean_value)) | |
3510 | value = boolean_value; | |
3511 | } | |
0ad040ff | 3512 | else if (EQ (attr, QCbox) || EQ (attr, QCinherit)) |
27188d11 | 3513 | value = Fcar (Fread_from_string (value, Qnil, Qnil)); |
82641697 GM |
3514 | |
3515 | return Finternal_set_lisp_face_attribute (face, attr, value, frame); | |
3516 | } | |
3517 | ||
c3cee013 | 3518 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 | 3519 | |
c7ae3284 GM |
3520 | \f |
3521 | /*********************************************************************** | |
3522 | Menu face | |
3523 | ***********************************************************************/ | |
3524 | ||
bce72079 | 3525 | #if defined HAVE_X_WINDOWS && defined USE_X_TOOLKIT |
c7ae3284 | 3526 | |
bce72079 GM |
3527 | /* Make menus on frame F appear as specified by the `menu' face. */ |
3528 | ||
3529 | static void | |
ebd15611 | 3530 | x_update_menu_appearance (struct frame *f) |
c7ae3284 | 3531 | { |
a03ad468 | 3532 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
bce72079 | 3533 | XrmDatabase rdb; |
178c5d9c | 3534 | |
bce72079 GM |
3535 | if (dpyinfo |
3536 | && (rdb = XrmGetDatabase (FRAME_X_DISPLAY (f)), | |
3537 | rdb != NULL)) | |
c7ae3284 | 3538 | { |
bce72079 | 3539 | char line[512]; |
670741ab PE |
3540 | char *buf = line; |
3541 | ptrdiff_t bufsize = sizeof line; | |
bce72079 GM |
3542 | Lisp_Object lface = lface_from_face_name (f, Qmenu, 1); |
3543 | struct face *face = FACE_FROM_ID (f, MENU_FACE_ID); | |
42a5b22f | 3544 | const char *myname = SSDATA (Vx_resource_name); |
bce72079 | 3545 | int changed_p = 0; |
8ad582ac GM |
3546 | #ifdef USE_MOTIF |
3547 | const char *popup_path = "popup_menu"; | |
3548 | #else | |
3549 | const char *popup_path = "menu.popup"; | |
3550 | #endif | |
177c0ea7 | 3551 | |
bce72079 GM |
3552 | if (STRINGP (LFACE_FOREGROUND (lface))) |
3553 | { | |
670741ab PE |
3554 | exprintf (&buf, &bufsize, line, -1, "%s.%s*foreground: %s", |
3555 | myname, popup_path, | |
3556 | SDATA (LFACE_FOREGROUND (lface))); | |
bce72079 | 3557 | XrmPutLineResource (&rdb, line); |
670741ab PE |
3558 | exprintf (&buf, &bufsize, line, -1, "%s.pane.menubar*foreground: %s", |
3559 | myname, SDATA (LFACE_FOREGROUND (lface))); | |
bce72079 GM |
3560 | XrmPutLineResource (&rdb, line); |
3561 | changed_p = 1; | |
3562 | } | |
178c5d9c | 3563 | |
bce72079 GM |
3564 | if (STRINGP (LFACE_BACKGROUND (lface))) |
3565 | { | |
670741ab PE |
3566 | exprintf (&buf, &bufsize, line, -1, "%s.%s*background: %s", |
3567 | myname, popup_path, | |
3568 | SDATA (LFACE_BACKGROUND (lface))); | |
bce72079 | 3569 | XrmPutLineResource (&rdb, line); |
670741ab PE |
3570 | |
3571 | exprintf (&buf, &bufsize, line, -1, "%s.pane.menubar*background: %s", | |
3572 | myname, SDATA (LFACE_BACKGROUND (lface))); | |
bce72079 GM |
3573 | XrmPutLineResource (&rdb, line); |
3574 | changed_p = 1; | |
3575 | } | |
177c0ea7 | 3576 | |
2dee4c0b | 3577 | if (face->font |
23888717 CY |
3578 | /* On Solaris 5.8, it's been reported that the `menu' face |
3579 | can be unspecified here, during startup. Why this | |
3580 | happens remains unknown. -- cyd */ | |
3581 | && FONTP (LFACE_FONT (lface)) | |
bce72079 | 3582 | && (!UNSPECIFIEDP (LFACE_FAMILY (lface)) |
53aaf1e2 | 3583 | || !UNSPECIFIEDP (LFACE_FOUNDRY (lface)) |
bce72079 | 3584 | || !UNSPECIFIEDP (LFACE_SWIDTH (lface)) |
bce72079 GM |
3585 | || !UNSPECIFIEDP (LFACE_WEIGHT (lface)) |
3586 | || !UNSPECIFIEDP (LFACE_SLANT (lface)) | |
3587 | || !UNSPECIFIEDP (LFACE_HEIGHT (lface)))) | |
3588 | { | |
47ae3723 | 3589 | Lisp_Object xlfd = Ffont_xlfd_name (LFACE_FONT (lface), Qnil); |
a03ad468 | 3590 | #ifdef USE_MOTIF |
bce72079 | 3591 | const char *suffix = "List"; |
211f2210 | 3592 | Bool motif = True; |
a2d7e722 JD |
3593 | #else |
3594 | #if defined HAVE_X_I18N | |
3595 | ||
3596 | const char *suffix = "Set"; | |
a03ad468 | 3597 | #else |
bce72079 | 3598 | const char *suffix = ""; |
a2d7e722 | 3599 | #endif |
211f2210 | 3600 | Bool motif = False; |
2defe37f | 3601 | #endif |
2dee4c0b KH |
3602 | |
3603 | if (! NILP (xlfd)) | |
3604 | { | |
211f2210 | 3605 | #if defined HAVE_X_I18N |
42a5b22f | 3606 | char *fontsetname = xic_create_fontsetname (SSDATA (xlfd), motif); |
2defe37f | 3607 | #else |
51b59d79 | 3608 | char *fontsetname = SSDATA (xlfd); |
bce72079 | 3609 | #endif |
670741ab PE |
3610 | exprintf (&buf, &bufsize, line, -1, "%s.pane.menubar*font%s: %s", |
3611 | myname, suffix, fontsetname); | |
2dee4c0b | 3612 | XrmPutLineResource (&rdb, line); |
670741ab PE |
3613 | |
3614 | exprintf (&buf, &bufsize, line, -1, "%s.%s*font%s: %s", | |
3615 | myname, popup_path, suffix, fontsetname); | |
2dee4c0b KH |
3616 | XrmPutLineResource (&rdb, line); |
3617 | changed_p = 1; | |
51b59d79 | 3618 | if (fontsetname != SSDATA (xlfd)) |
2dee4c0b KH |
3619 | xfree (fontsetname); |
3620 | } | |
bce72079 | 3621 | } |
c7ae3284 | 3622 | |
bce72079 | 3623 | if (changed_p && f->output_data.x->menubar_widget) |
ac17f0bf | 3624 | free_frame_menubar (f); |
670741ab PE |
3625 | |
3626 | if (buf != line) | |
3627 | xfree (buf); | |
c7ae3284 GM |
3628 | } |
3629 | } | |
3630 | ||
bce72079 | 3631 | #endif /* HAVE_X_WINDOWS && USE_X_TOOLKIT */ |
82641697 GM |
3632 | |
3633 | ||
177c0ea7 | 3634 | DEFUN ("face-attribute-relative-p", Fface_attribute_relative_p, |
cdfaafa9 MB |
3635 | Sface_attribute_relative_p, |
3636 | 2, 2, 0, | |
2d6228e7 RS |
3637 | doc: /* Check whether a face attribute value is relative. |
3638 | Specifically, this function returns t if the attribute ATTRIBUTE | |
3639 | with the value VALUE is relative. | |
3640 | ||
3641 | A relative value is one that doesn't entirely override whatever is | |
3642 | inherited from another face. For most possible attributes, | |
3643 | the only relative value that users see is `unspecified'. | |
3644 | However, for :height, floating point values are also relative. */) | |
5842a27b | 3645 | (Lisp_Object attribute, Lisp_Object value) |
cdfaafa9 | 3646 | { |
a3720aa2 | 3647 | if (EQ (value, Qunspecified) || (EQ (value, QCignore_defface))) |
cdfaafa9 MB |
3648 | return Qt; |
3649 | else if (EQ (attribute, QCheight)) | |
3650 | return INTEGERP (value) ? Qnil : Qt; | |
3651 | else | |
3652 | return Qnil; | |
3653 | } | |
3654 | ||
3655 | DEFUN ("merge-face-attribute", Fmerge_face_attribute, Smerge_face_attribute, | |
3656 | 3, 3, 0, | |
3657 | doc: /* Return face ATTRIBUTE VALUE1 merged with VALUE2. | |
3658 | If VALUE1 or VALUE2 are absolute (see `face-attribute-relative-p'), then | |
3659 | the result will be absolute, otherwise it will be relative. */) | |
5842a27b | 3660 | (Lisp_Object attribute, Lisp_Object value1, Lisp_Object value2) |
cdfaafa9 | 3661 | { |
a3720aa2 | 3662 | if (EQ (value1, Qunspecified) || EQ (value1, QCignore_defface)) |
cdfaafa9 MB |
3663 | return value2; |
3664 | else if (EQ (attribute, QCheight)) | |
e1e419ec | 3665 | return merge_face_heights (value1, value2, value1); |
cdfaafa9 MB |
3666 | else |
3667 | return value1; | |
3668 | } | |
3669 | ||
82641697 GM |
3670 | |
3671 | DEFUN ("internal-get-lisp-face-attribute", Finternal_get_lisp_face_attribute, | |
3672 | Sinternal_get_lisp_face_attribute, | |
3673 | 2, 3, 0, | |
7ee72033 | 3674 | doc: /* Return face attribute KEYWORD of face SYMBOL. |
228299fa GM |
3675 | If SYMBOL does not name a valid Lisp face or KEYWORD isn't a valid |
3676 | face attribute name, signal an error. | |
7fc92635 JB |
3677 | If the optional argument FRAME is given, report on face SYMBOL in that |
3678 | frame. If FRAME is t, report on the defaults for face SYMBOL (for new | |
7ee72033 | 3679 | frames). If FRAME is omitted or nil, use the selected frame. */) |
5842a27b | 3680 | (Lisp_Object symbol, Lisp_Object keyword, Lisp_Object frame) |
82641697 GM |
3681 | { |
3682 | Lisp_Object lface, value = Qnil; | |
178c5d9c | 3683 | |
b7826503 PJ |
3684 | CHECK_SYMBOL (symbol); |
3685 | CHECK_SYMBOL (keyword); | |
82641697 GM |
3686 | |
3687 | if (EQ (frame, Qt)) | |
3688 | lface = lface_from_face_name (NULL, symbol, 1); | |
3689 | else | |
3690 | { | |
3691 | if (NILP (frame)) | |
c0617987 | 3692 | frame = selected_frame; |
b7826503 | 3693 | CHECK_LIVE_FRAME (frame); |
82641697 GM |
3694 | lface = lface_from_face_name (XFRAME (frame), symbol, 1); |
3695 | } | |
3696 | ||
3697 | if (EQ (keyword, QCfamily)) | |
3698 | value = LFACE_FAMILY (lface); | |
53aaf1e2 KH |
3699 | else if (EQ (keyword, QCfoundry)) |
3700 | value = LFACE_FOUNDRY (lface); | |
82641697 GM |
3701 | else if (EQ (keyword, QCheight)) |
3702 | value = LFACE_HEIGHT (lface); | |
3703 | else if (EQ (keyword, QCweight)) | |
3704 | value = LFACE_WEIGHT (lface); | |
3705 | else if (EQ (keyword, QCslant)) | |
3706 | value = LFACE_SLANT (lface); | |
3707 | else if (EQ (keyword, QCunderline)) | |
3708 | value = LFACE_UNDERLINE (lface); | |
3709 | else if (EQ (keyword, QCoverline)) | |
3710 | value = LFACE_OVERLINE (lface); | |
3711 | else if (EQ (keyword, QCstrike_through)) | |
3712 | value = LFACE_STRIKE_THROUGH (lface); | |
3713 | else if (EQ (keyword, QCbox)) | |
3714 | value = LFACE_BOX (lface); | |
3715 | else if (EQ (keyword, QCinverse_video) | |
3716 | || EQ (keyword, QCreverse_video)) | |
3717 | value = LFACE_INVERSE (lface); | |
3718 | else if (EQ (keyword, QCforeground)) | |
3719 | value = LFACE_FOREGROUND (lface); | |
3720 | else if (EQ (keyword, QCbackground)) | |
3721 | value = LFACE_BACKGROUND (lface); | |
3722 | else if (EQ (keyword, QCstipple)) | |
3723 | value = LFACE_STIPPLE (lface); | |
3724 | else if (EQ (keyword, QCwidth)) | |
3725 | value = LFACE_SWIDTH (lface); | |
2c20458f MB |
3726 | else if (EQ (keyword, QCinherit)) |
3727 | value = LFACE_INHERIT (lface); | |
39506348 KH |
3728 | else if (EQ (keyword, QCfont)) |
3729 | value = LFACE_FONT (lface); | |
763bc839 KH |
3730 | else if (EQ (keyword, QCfontset)) |
3731 | value = LFACE_FONTSET (lface); | |
82641697 GM |
3732 | else |
3733 | signal_error ("Invalid face attribute name", keyword); | |
3734 | ||
0268cef3 CY |
3735 | if (IGNORE_DEFFACE_P (value)) |
3736 | return Qunspecified; | |
3737 | ||
82641697 GM |
3738 | return value; |
3739 | } | |
3740 | ||
3741 | ||
3742 | DEFUN ("internal-lisp-face-attribute-values", | |
3743 | Finternal_lisp_face_attribute_values, | |
3744 | Sinternal_lisp_face_attribute_values, 1, 1, 0, | |
7ee72033 MB |
3745 | doc: /* Return a list of valid discrete values for face attribute ATTR. |
3746 | Value is nil if ATTR doesn't have a discrete set of valid values. */) | |
5842a27b | 3747 | (Lisp_Object attr) |
82641697 GM |
3748 | { |
3749 | Lisp_Object result = Qnil; | |
178c5d9c | 3750 | |
b7826503 | 3751 | CHECK_SYMBOL (attr); |
178c5d9c | 3752 | |
2dee4c0b | 3753 | if (EQ (attr, QCunderline)) |
82641697 GM |
3754 | result = Fcons (Qt, Fcons (Qnil, Qnil)); |
3755 | else if (EQ (attr, QCoverline)) | |
3756 | result = Fcons (Qt, Fcons (Qnil, Qnil)); | |
3757 | else if (EQ (attr, QCstrike_through)) | |
3758 | result = Fcons (Qt, Fcons (Qnil, Qnil)); | |
3759 | else if (EQ (attr, QCinverse_video) || EQ (attr, QCreverse_video)) | |
3760 | result = Fcons (Qt, Fcons (Qnil, Qnil)); | |
3761 | ||
3762 | return result; | |
3763 | } | |
178c5d9c | 3764 | |
82641697 GM |
3765 | |
3766 | DEFUN ("internal-merge-in-global-face", Finternal_merge_in_global_face, | |
178c5d9c | 3767 | Sinternal_merge_in_global_face, 2, 2, 0, |
e3cd9e7f | 3768 | doc: /* Add attributes from frame-default definition of FACE to FACE on FRAME. |
7ee72033 | 3769 | Default face attributes override any local face attributes. */) |
5842a27b | 3770 | (Lisp_Object face, Lisp_Object frame) |
82641697 | 3771 | { |
aad40737 MB |
3772 | int i; |
3773 | Lisp_Object global_lface, local_lface, *gvec, *lvec; | |
8d3810fd | 3774 | struct frame *f = XFRAME (frame); |
aad40737 | 3775 | |
b7826503 | 3776 | CHECK_LIVE_FRAME (frame); |
82641697 | 3777 | global_lface = lface_from_face_name (NULL, face, 1); |
8d3810fd | 3778 | local_lface = lface_from_face_name (f, face, 0); |
82641697 GM |
3779 | if (NILP (local_lface)) |
3780 | local_lface = Finternal_make_lisp_face (face, frame); | |
aad40737 | 3781 | |
cec33c90 SM |
3782 | /* Make every specified global attribute override the local one. |
3783 | BEWARE!! This is only used from `face-set-after-frame-default' where | |
3784 | the local frame is defined from default specs in `face-defface-spec' | |
3785 | and those should be overridden by global settings. Hence the strange | |
3786 | "global before local" priority. */ | |
aad40737 MB |
3787 | lvec = XVECTOR (local_lface)->contents; |
3788 | gvec = XVECTOR (global_lface)->contents; | |
3789 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
8d3810fd | 3790 | if (IGNORE_DEFFACE_P (gvec[i])) |
086ca913 | 3791 | ASET (local_lface, i, Qunspecified); |
8d3810fd | 3792 | else if (! UNSPECIFIEDP (gvec[i])) |
086ca913 | 3793 | ASET (local_lface, i, AREF (global_lface, i)); |
8d3810fd | 3794 | |
fa9fa316 | 3795 | /* If the default face was changed, update the face cache and the |
811029d3 | 3796 | `font' frame parameter. */ |
8d3810fd CY |
3797 | if (EQ (face, Qdefault)) |
3798 | { | |
3799 | struct face_cache *c = FRAME_FACE_CACHE (f); | |
3800 | struct face *newface, *oldface = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
3801 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
3802 | ||
0421a7a7 CY |
3803 | /* This can be NULL (e.g., in batch mode). */ |
3804 | if (oldface) | |
8d3810fd | 3805 | { |
fa9fa316 CY |
3806 | /* Ensure that the face vector is fully specified by merging |
3807 | the previously-cached vector. */ | |
72af86bd | 3808 | memcpy (attrs, oldface->lface, sizeof attrs); |
0421a7a7 | 3809 | merge_face_vectors (f, lvec, attrs, 0); |
086ca913 | 3810 | vcopy (local_lface, 0, attrs, LFACE_VECTOR_SIZE); |
fa9fa316 | 3811 | newface = realize_face (c, lvec, DEFAULT_FACE_ID); |
0421a7a7 CY |
3812 | |
3813 | if ((! UNSPECIFIEDP (gvec[LFACE_FAMILY_INDEX]) | |
3814 | || ! UNSPECIFIEDP (gvec[LFACE_FOUNDRY_INDEX]) | |
3815 | || ! UNSPECIFIEDP (gvec[LFACE_HEIGHT_INDEX]) | |
3816 | || ! UNSPECIFIEDP (gvec[LFACE_WEIGHT_INDEX]) | |
3817 | || ! UNSPECIFIEDP (gvec[LFACE_SLANT_INDEX]) | |
3818 | || ! UNSPECIFIEDP (gvec[LFACE_SWIDTH_INDEX]) | |
3819 | || ! UNSPECIFIEDP (gvec[LFACE_FONT_INDEX])) | |
3820 | && newface->font) | |
3821 | { | |
3822 | Lisp_Object name = newface->font->props[FONT_NAME_INDEX]; | |
3823 | Fmodify_frame_parameters (frame, Fcons (Fcons (Qfont, name), | |
3824 | Qnil)); | |
3825 | } | |
1485f4c0 CY |
3826 | |
3827 | if (STRINGP (gvec[LFACE_FOREGROUND_INDEX])) | |
3828 | Fmodify_frame_parameters (frame, | |
3829 | Fcons (Fcons (Qforeground_color, | |
3830 | gvec[LFACE_FOREGROUND_INDEX]), | |
3831 | Qnil)); | |
3832 | ||
3833 | if (STRINGP (gvec[LFACE_BACKGROUND_INDEX])) | |
3834 | Fmodify_frame_parameters (frame, | |
3835 | Fcons (Fcons (Qbackground_color, | |
3836 | gvec[LFACE_BACKGROUND_INDEX]), | |
3837 | Qnil)); | |
8d3810fd CY |
3838 | } |
3839 | } | |
334a2e2a GM |
3840 | |
3841 | return Qnil; | |
82641697 GM |
3842 | } |
3843 | ||
3844 | ||
3845 | /* The following function is implemented for compatibility with 20.2. | |
3846 | The function is used in x-resolve-fonts when it is asked to | |
3847 | return fonts with the same size as the font of a face. This is | |
3848 | done in fontset.el. */ | |
3849 | ||
2db4bfe5 | 3850 | DEFUN ("face-font", Fface_font, Sface_font, 1, 3, 0, |
e3cd9e7f | 3851 | doc: /* Return the font name of face FACE, or nil if it is unspecified. |
2db4bfe5 | 3852 | The font name is, by default, for ASCII characters. |
228299fa GM |
3853 | If the optional argument FRAME is given, report on face FACE in that frame. |
3854 | If FRAME is t, report on the defaults for face FACE (for new frames). | |
3855 | The font default for a face is either nil, or a list | |
3856 | of the form (bold), (italic) or (bold italic). | |
2db4bfe5 KH |
3857 | If FRAME is omitted or nil, use the selected frame. And, in this case, |
3858 | if the optional third argument CHARACTER is given, | |
3859 | return the font name used for CHARACTER. */) | |
5842a27b | 3860 | (Lisp_Object face, Lisp_Object frame, Lisp_Object character) |
82641697 GM |
3861 | { |
3862 | if (EQ (frame, Qt)) | |
3863 | { | |
3864 | Lisp_Object result = Qnil; | |
3865 | Lisp_Object lface = lface_from_face_name (NULL, face, 1); | |
3866 | ||
3867 | if (!UNSPECIFIEDP (LFACE_WEIGHT (lface)) | |
3868 | && !EQ (LFACE_WEIGHT (lface), Qnormal)) | |
3869 | result = Fcons (Qbold, result); | |
178c5d9c | 3870 | |
0f2c6573 | 3871 | if (!UNSPECIFIEDP (LFACE_SLANT (lface)) |
82641697 GM |
3872 | && !EQ (LFACE_SLANT (lface), Qnormal)) |
3873 | result = Fcons (Qitalic, result); | |
178c5d9c | 3874 | |
82641697 GM |
3875 | return result; |
3876 | } | |
3877 | else | |
3878 | { | |
3879 | struct frame *f = frame_or_selected_frame (frame, 1); | |
000fc2b1 | 3880 | int face_id = lookup_named_face (f, face, 1); |
071048a3 | 3881 | struct face *fface = FACE_FROM_ID (f, face_id); |
2db4bfe5 | 3882 | |
071048a3 | 3883 | if (! fface) |
2db4bfe5 | 3884 | return Qnil; |
a1a552b3 | 3885 | #ifdef HAVE_WINDOW_SYSTEM |
75dad34a | 3886 | if (FRAME_WINDOW_P (f) && !NILP (character)) |
a1a552b3 KH |
3887 | { |
3888 | CHECK_CHARACTER (character); | |
071048a3 PE |
3889 | face_id = FACE_FOR_CHAR (f, fface, XINT (character), -1, Qnil); |
3890 | fface = FACE_FROM_ID (f, face_id); | |
a1a552b3 | 3891 | } |
071048a3 PE |
3892 | return (fface->font |
3893 | ? fface->font->props[FONT_NAME_INDEX] | |
2dee4c0b | 3894 | : Qnil); |
1ccdfd33 EZ |
3895 | #else /* !HAVE_WINDOW_SYSTEM */ |
3896 | return build_string (FRAME_MSDOS_P (f) | |
3897 | ? "ms-dos" | |
3898 | : FRAME_W32_P (f) ? "w32term" | |
3899 | :"tty"); | |
3900 | #endif | |
82641697 GM |
3901 | } |
3902 | } | |
3903 | ||
3904 | ||
9717e36c | 3905 | /* Compare face-attribute values v1 and v2 for equality. Value is non-zero if |
82641697 GM |
3906 | all attributes are `equal'. Tries to be fast because this function |
3907 | is called quite often. */ | |
3908 | ||
b0ab8123 | 3909 | static int |
971de7fb | 3910 | face_attr_equal_p (Lisp_Object v1, Lisp_Object v2) |
82641697 | 3911 | { |
9717e36c MB |
3912 | /* Type can differ, e.g. when one attribute is unspecified, i.e. nil, |
3913 | and the other is specified. */ | |
3914 | if (XTYPE (v1) != XTYPE (v2)) | |
3915 | return 0; | |
82641697 | 3916 | |
9717e36c MB |
3917 | if (EQ (v1, v2)) |
3918 | return 1; | |
82641697 | 3919 | |
9717e36c MB |
3920 | switch (XTYPE (v1)) |
3921 | { | |
3922 | case Lisp_String: | |
3923 | if (SBYTES (v1) != SBYTES (v2)) | |
3924 | return 0; | |
82641697 | 3925 | |
72af86bd | 3926 | return memcmp (SDATA (v1), SDATA (v2), SBYTES (v1)) == 0; |
178c5d9c | 3927 | |
2de9f71c | 3928 | case_Lisp_Int: |
9717e36c MB |
3929 | case Lisp_Symbol: |
3930 | return 0; | |
178c5d9c | 3931 | |
9717e36c MB |
3932 | default: |
3933 | return !NILP (Fequal (v1, v2)); | |
82641697 | 3934 | } |
9717e36c MB |
3935 | } |
3936 | ||
3937 | ||
3938 | /* Compare face vectors V1 and V2 for equality. Value is non-zero if | |
3939 | all attributes are `equal'. Tries to be fast because this function | |
3940 | is called quite often. */ | |
3941 | ||
b0ab8123 | 3942 | static int |
971de7fb | 3943 | lface_equal_p (Lisp_Object *v1, Lisp_Object *v2) |
9717e36c MB |
3944 | { |
3945 | int i, equal_p = 1; | |
3946 | ||
3947 | for (i = 1; i < LFACE_VECTOR_SIZE && equal_p; ++i) | |
3948 | equal_p = face_attr_equal_p (v1[i], v2[i]); | |
178c5d9c | 3949 | |
82641697 GM |
3950 | return equal_p; |
3951 | } | |
3952 | ||
3953 | ||
3954 | DEFUN ("internal-lisp-face-equal-p", Finternal_lisp_face_equal_p, | |
3955 | Sinternal_lisp_face_equal_p, 2, 3, 0, | |
7ee72033 | 3956 | doc: /* True if FACE1 and FACE2 are equal. |
03f11322 JB |
3957 | If the optional argument FRAME is given, report on FACE1 and FACE2 in that frame. |
3958 | If FRAME is t, report on the defaults for FACE1 and FACE2 (for new frames). | |
7ee72033 | 3959 | If FRAME is omitted or nil, use the selected frame. */) |
5842a27b | 3960 | (Lisp_Object face1, Lisp_Object face2, Lisp_Object frame) |
82641697 GM |
3961 | { |
3962 | int equal_p; | |
7b953c9c | 3963 | struct frame *f; |
82641697 | 3964 | Lisp_Object lface1, lface2; |
178c5d9c | 3965 | |
7b953c9c MB |
3966 | if (EQ (frame, Qt)) |
3967 | f = NULL; | |
3968 | else | |
3969 | /* Don't use check_x_frame here because this function is called | |
3970 | before X frames exist. At that time, if FRAME is nil, | |
3971 | selected_frame will be used which is the frame dumped with | |
3972 | Emacs. That frame is not an X frame. */ | |
3973 | f = frame_or_selected_frame (frame, 2); | |
3974 | ||
03f11322 JB |
3975 | lface1 = lface_from_face_name (f, face1, 1); |
3976 | lface2 = lface_from_face_name (f, face2, 1); | |
82641697 GM |
3977 | equal_p = lface_equal_p (XVECTOR (lface1)->contents, |
3978 | XVECTOR (lface2)->contents); | |
3979 | return equal_p ? Qt : Qnil; | |
3980 | } | |
3981 | ||
178c5d9c | 3982 | |
82641697 GM |
3983 | DEFUN ("internal-lisp-face-empty-p", Finternal_lisp_face_empty_p, |
3984 | Sinternal_lisp_face_empty_p, 1, 2, 0, | |
7ee72033 | 3985 | doc: /* True if FACE has no attribute specified. |
228299fa GM |
3986 | If the optional argument FRAME is given, report on face FACE in that frame. |
3987 | If FRAME is t, report on the defaults for face FACE (for new frames). | |
7ee72033 | 3988 | If FRAME is omitted or nil, use the selected frame. */) |
5842a27b | 3989 | (Lisp_Object face, Lisp_Object frame) |
82641697 GM |
3990 | { |
3991 | struct frame *f; | |
3992 | Lisp_Object lface; | |
3993 | int i; | |
3994 | ||
3995 | if (NILP (frame)) | |
c0617987 | 3996 | frame = selected_frame; |
b7826503 | 3997 | CHECK_LIVE_FRAME (frame); |
c0617987 | 3998 | f = XFRAME (frame); |
178c5d9c | 3999 | |
82641697 GM |
4000 | if (EQ (frame, Qt)) |
4001 | lface = lface_from_face_name (NULL, face, 1); | |
4002 | else | |
4003 | lface = lface_from_face_name (f, face, 1); | |
4004 | ||
4005 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
a08332c0 | 4006 | if (!UNSPECIFIEDP (AREF (lface, i))) |
82641697 | 4007 | break; |
178c5d9c | 4008 | |
82641697 GM |
4009 | return i == LFACE_VECTOR_SIZE ? Qt : Qnil; |
4010 | } | |
4011 | ||
4012 | ||
4013 | DEFUN ("frame-face-alist", Fframe_face_alist, Sframe_face_alist, | |
178c5d9c | 4014 | 0, 1, 0, |
7ee72033 MB |
4015 | doc: /* Return an alist of frame-local faces defined on FRAME. |
4016 | For internal use only. */) | |
5842a27b | 4017 | (Lisp_Object frame) |
82641697 GM |
4018 | { |
4019 | struct frame *f = frame_or_selected_frame (frame, 0); | |
e69b0960 | 4020 | return f->face_alist; |
82641697 GM |
4021 | } |
4022 | ||
4023 | ||
4024 | /* Return a hash code for Lisp string STRING with case ignored. Used | |
4025 | below in computing a hash value for a Lisp face. */ | |
4026 | ||
b0ab8123 | 4027 | static unsigned |
971de7fb | 4028 | hash_string_case_insensitive (Lisp_Object string) |
82641697 | 4029 | { |
53c208f6 | 4030 | const unsigned char *s; |
82641697 | 4031 | unsigned hash = 0; |
a54e2c05 | 4032 | eassert (STRINGP (string)); |
d5db4077 | 4033 | for (s = SDATA (string); *s; ++s) |
620f13b0 | 4034 | hash = (hash << 1) ^ c_tolower (*s); |
82641697 GM |
4035 | return hash; |
4036 | } | |
4037 | ||
4038 | ||
4039 | /* Return a hash code for face attribute vector V. */ | |
4040 | ||
b0ab8123 | 4041 | static unsigned |
971de7fb | 4042 | lface_hash (Lisp_Object *v) |
82641697 GM |
4043 | { |
4044 | return (hash_string_case_insensitive (v[LFACE_FAMILY_INDEX]) | |
53aaf1e2 | 4045 | ^ hash_string_case_insensitive (v[LFACE_FOUNDRY_INDEX]) |
82641697 GM |
4046 | ^ hash_string_case_insensitive (v[LFACE_FOREGROUND_INDEX]) |
4047 | ^ hash_string_case_insensitive (v[LFACE_BACKGROUND_INDEX]) | |
a2bc5bdd SM |
4048 | ^ XHASH (v[LFACE_WEIGHT_INDEX]) |
4049 | ^ XHASH (v[LFACE_SLANT_INDEX]) | |
4050 | ^ XHASH (v[LFACE_SWIDTH_INDEX]) | |
4051 | ^ XHASH (v[LFACE_HEIGHT_INDEX])); | |
82641697 GM |
4052 | } |
4053 | ||
4054 | ||
4055 | /* Return non-zero if LFACE1 and LFACE2 specify the same font (without | |
4056 | considering charsets/registries). They do if they specify the same | |
2dee4c0b | 4057 | family, point size, weight, width, slant, and font. Both |
763bc839 | 4058 | LFACE1 and LFACE2 must be fully-specified. */ |
82641697 | 4059 | |
b0ab8123 | 4060 | static int |
971de7fb | 4061 | lface_same_font_attributes_p (Lisp_Object *lface1, Lisp_Object *lface2) |
82641697 | 4062 | { |
a54e2c05 | 4063 | eassert (lface_fully_specified_p (lface1) |
82641697 | 4064 | && lface_fully_specified_p (lface2)); |
25a48bd0 | 4065 | return (xstrcasecmp (SSDATA (lface1[LFACE_FAMILY_INDEX]), |
b5f03016 | 4066 | SSDATA (lface2[LFACE_FAMILY_INDEX])) == 0 |
25a48bd0 PE |
4067 | && xstrcasecmp (SSDATA (lface1[LFACE_FOUNDRY_INDEX]), |
4068 | SSDATA (lface2[LFACE_FOUNDRY_INDEX])) == 0 | |
2c20458f | 4069 | && EQ (lface1[LFACE_HEIGHT_INDEX], lface2[LFACE_HEIGHT_INDEX]) |
82641697 GM |
4070 | && EQ (lface1[LFACE_SWIDTH_INDEX], lface2[LFACE_SWIDTH_INDEX]) |
4071 | && EQ (lface1[LFACE_WEIGHT_INDEX], lface2[LFACE_WEIGHT_INDEX]) | |
39506348 | 4072 | && EQ (lface1[LFACE_SLANT_INDEX], lface2[LFACE_SLANT_INDEX]) |
2dee4c0b | 4073 | && EQ (lface1[LFACE_FONT_INDEX], lface2[LFACE_FONT_INDEX]) |
763bc839 KH |
4074 | && (EQ (lface1[LFACE_FONTSET_INDEX], lface2[LFACE_FONTSET_INDEX]) |
4075 | || (STRINGP (lface1[LFACE_FONTSET_INDEX]) | |
4076 | && STRINGP (lface2[LFACE_FONTSET_INDEX]) | |
25a48bd0 | 4077 | && ! xstrcasecmp (SSDATA (lface1[LFACE_FONTSET_INDEX]), |
b5f03016 | 4078 | SSDATA (lface2[LFACE_FONTSET_INDEX])))) |
763bc839 | 4079 | ); |
82641697 GM |
4080 | } |
4081 | ||
4082 | ||
4083 | \f | |
4084 | /*********************************************************************** | |
4085 | Realized Faces | |
4086 | ***********************************************************************/ | |
4087 | ||
4088 | /* Allocate and return a new realized face for Lisp face attribute | |
39506348 | 4089 | vector ATTR. */ |
82641697 GM |
4090 | |
4091 | static struct face * | |
971de7fb | 4092 | make_realized_face (Lisp_Object *attr) |
82641697 | 4093 | { |
23f86fce | 4094 | struct face *face = xzalloc (sizeof *face); |
39506348 | 4095 | face->ascii_face = face; |
72af86bd | 4096 | memcpy (face->lface, attr, sizeof face->lface); |
82641697 GM |
4097 | return face; |
4098 | } | |
4099 | ||
4100 | ||
4101 | /* Free realized face FACE, including its X resources. FACE may | |
4102 | be null. */ | |
4103 | ||
435f4c28 | 4104 | static void |
971de7fb | 4105 | free_realized_face (struct frame *f, struct face *face) |
82641697 GM |
4106 | { |
4107 | if (face) | |
4108 | { | |
c3cee013 JR |
4109 | #ifdef HAVE_WINDOW_SYSTEM |
4110 | if (FRAME_WINDOW_P (f)) | |
82641697 | 4111 | { |
39506348 KH |
4112 | /* Free fontset of FACE if it is ASCII face. */ |
4113 | if (face->fontset >= 0 && face == face->ascii_face) | |
4114 | free_face_fontset (f, face); | |
82641697 GM |
4115 | if (face->gc) |
4116 | { | |
4d7e6e51 | 4117 | block_input (); |
2dee4c0b | 4118 | if (face->font) |
426b2119 | 4119 | font_done_for_face (f, face); |
82641697 GM |
4120 | x_free_gc (f, face->gc); |
4121 | face->gc = 0; | |
4d7e6e51 | 4122 | unblock_input (); |
82641697 | 4123 | } |
178c5d9c | 4124 | |
82641697 GM |
4125 | free_face_colors (f, face); |
4126 | x_destroy_bitmap (f, face->stipple); | |
4127 | } | |
c3cee013 | 4128 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
4129 | |
4130 | xfree (face); | |
4131 | } | |
4132 | } | |
4133 | ||
4134 | ||
4135 | /* Prepare face FACE for subsequent display on frame F. This | |
4136 | allocated GCs if they haven't been allocated yet or have been freed | |
4137 | by clearing the face cache. */ | |
4138 | ||
4139 | void | |
971de7fb | 4140 | prepare_face_for_display (struct frame *f, struct face *face) |
82641697 | 4141 | { |
c3cee013 | 4142 | #ifdef HAVE_WINDOW_SYSTEM |
a54e2c05 | 4143 | eassert (FRAME_WINDOW_P (f)); |
178c5d9c | 4144 | |
82641697 GM |
4145 | if (face->gc == 0) |
4146 | { | |
4147 | XGCValues xgcv; | |
4148 | unsigned long mask = GCForeground | GCBackground | GCGraphicsExposures; | |
4149 | ||
4150 | xgcv.foreground = face->foreground; | |
4151 | xgcv.background = face->background; | |
c3cee013 | 4152 | #ifdef HAVE_X_WINDOWS |
82641697 | 4153 | xgcv.graphics_exposures = False; |
c3cee013 | 4154 | #endif |
82641697 | 4155 | |
4d7e6e51 | 4156 | block_input (); |
c3cee013 | 4157 | #ifdef HAVE_X_WINDOWS |
82641697 GM |
4158 | if (face->stipple) |
4159 | { | |
be8a72f4 | 4160 | xgcv.fill_style = FillOpaqueStippled; |
82641697 GM |
4161 | xgcv.stipple = x_bitmap_pixmap (f, face->stipple); |
4162 | mask |= GCFillStyle | GCStipple; | |
4163 | } | |
c3cee013 | 4164 | #endif |
82641697 | 4165 | face->gc = x_create_gc (f, mask, &xgcv); |
2dee4c0b | 4166 | if (face->font) |
426b2119 | 4167 | font_prepare_for_face (f, face); |
4d7e6e51 | 4168 | unblock_input (); |
82641697 | 4169 | } |
c3cee013 | 4170 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
4171 | } |
4172 | ||
82641697 | 4173 | \f |
b35df831 MB |
4174 | /* Returns the `distance' between the colors X and Y. */ |
4175 | ||
4176 | static int | |
971de7fb | 4177 | color_distance (XColor *x, XColor *y) |
b35df831 | 4178 | { |
da6062e6 | 4179 | /* This formula is from a paper titled `Colour metric' by Thiadmer Riemersma. |
b35df831 MB |
4180 | Quoting from that paper: |
4181 | ||
b5f03016 AS |
4182 | This formula has results that are very close to L*u*v* (with the |
4183 | modified lightness curve) and, more importantly, it is a more even | |
da6062e6 | 4184 | algorithm: it does not have a range of colors where it suddenly |
b5f03016 | 4185 | gives far from optimal results. |
b35df831 MB |
4186 | |
4187 | See <http://www.compuphase.com/cmetric.htm> for more info. */ | |
4188 | ||
4189 | long r = (x->red - y->red) >> 8; | |
4190 | long g = (x->green - y->green) >> 8; | |
4191 | long b = (x->blue - y->blue) >> 8; | |
4192 | long r_mean = (x->red + y->red) >> 9; | |
4193 | ||
4194 | return | |
4195 | (((512 + r_mean) * r * r) >> 8) | |
4196 | + 4 * g * g | |
4197 | + (((767 - r_mean) * b * b) >> 8); | |
4198 | } | |
4199 | ||
4200 | ||
4201 | DEFUN ("color-distance", Fcolor_distance, Scolor_distance, 2, 3, 0, | |
4202 | doc: /* Return an integer distance between COLOR1 and COLOR2 on FRAME. | |
4203 | COLOR1 and COLOR2 may be either strings containing the color name, | |
4204 | or lists of the form (RED GREEN BLUE). | |
4205 | If FRAME is unspecified or nil, the current frame is used. */) | |
5842a27b | 4206 | (Lisp_Object color1, Lisp_Object color2, Lisp_Object frame) |
b35df831 MB |
4207 | { |
4208 | struct frame *f; | |
4209 | XColor cdef1, cdef2; | |
4210 | ||
4211 | if (NILP (frame)) | |
4212 | frame = selected_frame; | |
4213 | CHECK_LIVE_FRAME (frame); | |
4214 | f = XFRAME (frame); | |
4215 | ||
6c8e1d62 | 4216 | if (!(CONSP (color1) && parse_rgb_list (color1, &cdef1)) |
42a5b22f | 4217 | && !(STRINGP (color1) && defined_color (f, SSDATA (color1), &cdef1, 0))) |
b35df831 | 4218 | signal_error ("Invalid color", color1); |
6c8e1d62 | 4219 | if (!(CONSP (color2) && parse_rgb_list (color2, &cdef2)) |
42a5b22f | 4220 | && !(STRINGP (color2) && defined_color (f, SSDATA (color2), &cdef2, 0))) |
b35df831 MB |
4221 | signal_error ("Invalid color", color2); |
4222 | ||
4223 | return make_number (color_distance (&cdef1, &cdef2)); | |
4224 | } | |
4225 | ||
4226 | \f | |
82641697 GM |
4227 | /*********************************************************************** |
4228 | Face Cache | |
4229 | ***********************************************************************/ | |
4230 | ||
4231 | /* Return a new face cache for frame F. */ | |
4232 | ||
4233 | static struct face_cache * | |
971de7fb | 4234 | make_face_cache (struct frame *f) |
82641697 GM |
4235 | { |
4236 | struct face_cache *c; | |
4237 | int size; | |
4238 | ||
23f86fce | 4239 | c = xzalloc (sizeof *c); |
82641697 | 4240 | size = FACE_CACHE_BUCKETS_SIZE * sizeof *c->buckets; |
23f86fce | 4241 | c->buckets = xzalloc (size); |
82641697 | 4242 | c->size = 50; |
23f86fce | 4243 | c->faces_by_id = xmalloc (c->size * sizeof *c->faces_by_id); |
82641697 | 4244 | c->f = f; |
ceeda019 | 4245 | c->menu_face_changed_p = menu_face_changed_default; |
82641697 GM |
4246 | return c; |
4247 | } | |
4248 | ||
4249 | ||
4250 | /* Clear out all graphics contexts for all realized faces, except for | |
4251 | the basic faces. This should be done from time to time just to avoid | |
4252 | keeping too many graphics contexts that are no longer needed. */ | |
4253 | ||
4254 | static void | |
971de7fb | 4255 | clear_face_gcs (struct face_cache *c) |
82641697 | 4256 | { |
c3cee013 | 4257 | if (c && FRAME_WINDOW_P (c->f)) |
82641697 | 4258 | { |
c3cee013 | 4259 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 GM |
4260 | int i; |
4261 | for (i = BASIC_FACE_ID_SENTINEL; i < c->used; ++i) | |
4262 | { | |
4263 | struct face *face = c->faces_by_id[i]; | |
4264 | if (face && face->gc) | |
4265 | { | |
4d7e6e51 | 4266 | block_input (); |
2dee4c0b | 4267 | if (face->font) |
426b2119 | 4268 | font_done_for_face (c->f, face); |
82641697 GM |
4269 | x_free_gc (c->f, face->gc); |
4270 | face->gc = 0; | |
4d7e6e51 | 4271 | unblock_input (); |
82641697 GM |
4272 | } |
4273 | } | |
c3cee013 | 4274 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
4275 | } |
4276 | } | |
4277 | ||
4278 | ||
7fc92635 JB |
4279 | /* Free all realized faces in face cache C, including basic faces. |
4280 | C may be null. If faces are freed, make sure the frame's current | |
82641697 GM |
4281 | matrix is marked invalid, so that a display caused by an expose |
4282 | event doesn't try to use faces we destroyed. */ | |
4283 | ||
4284 | static void | |
971de7fb | 4285 | free_realized_faces (struct face_cache *c) |
82641697 GM |
4286 | { |
4287 | if (c && c->used) | |
4288 | { | |
4289 | int i, size; | |
4290 | struct frame *f = c->f; | |
4291 | ||
84ec3b4b GM |
4292 | /* We must block input here because we can't process X events |
4293 | safely while only some faces are freed, or when the frame's | |
4294 | current matrix still references freed faces. */ | |
4d7e6e51 | 4295 | block_input (); |
84ec3b4b | 4296 | |
82641697 GM |
4297 | for (i = 0; i < c->used; ++i) |
4298 | { | |
4299 | free_realized_face (f, c->faces_by_id[i]); | |
4300 | c->faces_by_id[i] = NULL; | |
4301 | } | |
178c5d9c | 4302 | |
82641697 GM |
4303 | c->used = 0; |
4304 | size = FACE_CACHE_BUCKETS_SIZE * sizeof *c->buckets; | |
72af86bd | 4305 | memset (c->buckets, 0, size); |
82641697 GM |
4306 | |
4307 | /* Must do a thorough redisplay the next time. Mark current | |
4308 | matrices as invalid because they will reference faces freed | |
4309 | above. This function is also called when a frame is | |
4310 | destroyed. In this case, the root window of F is nil. */ | |
e69b0960 | 4311 | if (WINDOWP (f->root_window)) |
82641697 GM |
4312 | { |
4313 | clear_current_matrices (f); | |
4314 | ++windows_or_buffers_changed; | |
4315 | } | |
84ec3b4b | 4316 | |
4d7e6e51 | 4317 | unblock_input (); |
82641697 GM |
4318 | } |
4319 | } | |
4320 | ||
4321 | ||
4322 | /* Free all realized faces on FRAME or on all frames if FRAME is nil. | |
4323 | This is done after attributes of a named face have been changed, | |
4324 | because we can't tell which realized faces depend on that face. */ | |
4325 | ||
4326 | void | |
971de7fb | 4327 | free_all_realized_faces (Lisp_Object frame) |
82641697 GM |
4328 | { |
4329 | if (NILP (frame)) | |
4330 | { | |
4331 | Lisp_Object rest; | |
4332 | FOR_EACH_FRAME (rest, frame) | |
4333 | free_realized_faces (FRAME_FACE_CACHE (XFRAME (frame))); | |
4334 | } | |
4335 | else | |
4336 | free_realized_faces (FRAME_FACE_CACHE (XFRAME (frame))); | |
4337 | } | |
4338 | ||
4339 | ||
4340 | /* Free face cache C and faces in it, including their X resources. */ | |
4341 | ||
4342 | static void | |
971de7fb | 4343 | free_face_cache (struct face_cache *c) |
82641697 GM |
4344 | { |
4345 | if (c) | |
4346 | { | |
4347 | free_realized_faces (c); | |
4348 | xfree (c->buckets); | |
4349 | xfree (c->faces_by_id); | |
4350 | xfree (c); | |
4351 | } | |
4352 | } | |
4353 | ||
4354 | ||
4355 | /* Cache realized face FACE in face cache C. HASH is the hash value | |
af53b43c KH |
4356 | of FACE. If FACE is for ASCII characters (i.e. FACE->ascii_face == |
4357 | FACE), insert the new face to the beginning of the collision list | |
4358 | of the face hash table of C. Otherwise, add the new face to the | |
4359 | end of the collision list. This way, lookup_face can quickly find | |
4360 | that a requested face is not cached. */ | |
82641697 GM |
4361 | |
4362 | static void | |
971de7fb | 4363 | cache_face (struct face_cache *c, struct face *face, unsigned int hash) |
82641697 GM |
4364 | { |
4365 | int i = hash % FACE_CACHE_BUCKETS_SIZE; | |
4366 | ||
4367 | face->hash = hash; | |
4368 | ||
af53b43c | 4369 | if (face->ascii_face != face) |
82641697 GM |
4370 | { |
4371 | struct face *last = c->buckets[i]; | |
4372 | if (last) | |
4373 | { | |
4374 | while (last->next) | |
4375 | last = last->next; | |
4376 | last->next = face; | |
4377 | face->prev = last; | |
4378 | face->next = NULL; | |
4379 | } | |
4380 | else | |
4381 | { | |
4382 | c->buckets[i] = face; | |
4383 | face->prev = face->next = NULL; | |
4384 | } | |
4385 | } | |
4386 | else | |
4387 | { | |
4388 | face->prev = NULL; | |
4389 | face->next = c->buckets[i]; | |
4390 | if (face->next) | |
4391 | face->next->prev = face; | |
4392 | c->buckets[i] = face; | |
4393 | } | |
4394 | ||
4395 | /* Find a free slot in C->faces_by_id and use the index of the free | |
4396 | slot as FACE->id. */ | |
4397 | for (i = 0; i < c->used; ++i) | |
4398 | if (c->faces_by_id[i] == NULL) | |
4399 | break; | |
4400 | face->id = i; | |
178c5d9c | 4401 | |
e509cfa6 | 4402 | #ifdef GLYPH_DEBUG |
85fece3e PE |
4403 | /* Check that FACE got a unique id. */ |
4404 | { | |
4405 | int j, n; | |
4406 | struct face *face1; | |
4407 | ||
4408 | for (j = n = 0; j < FACE_CACHE_BUCKETS_SIZE; ++j) | |
4409 | for (face1 = c->buckets[j]; face1; face1 = face1->next) | |
4410 | if (face1->id == i) | |
4411 | ++n; | |
4412 | ||
a54e2c05 | 4413 | eassert (n == 1); |
85fece3e PE |
4414 | } |
4415 | #endif /* GLYPH_DEBUG */ | |
4416 | ||
82641697 | 4417 | /* Maybe enlarge C->faces_by_id. */ |
6b61353c | 4418 | if (i == c->used) |
82641697 | 4419 | { |
6b61353c | 4420 | if (c->used == c->size) |
0065d054 PE |
4421 | c->faces_by_id = xpalloc (c->faces_by_id, &c->size, 1, MAX_FACE_ID, |
4422 | sizeof *c->faces_by_id); | |
6b61353c | 4423 | c->used++; |
82641697 GM |
4424 | } |
4425 | ||
82641697 | 4426 | c->faces_by_id[i] = face; |
82641697 GM |
4427 | } |
4428 | ||
4429 | ||
4430 | /* Remove face FACE from cache C. */ | |
4431 | ||
4432 | static void | |
971de7fb | 4433 | uncache_face (struct face_cache *c, struct face *face) |
82641697 GM |
4434 | { |
4435 | int i = face->hash % FACE_CACHE_BUCKETS_SIZE; | |
178c5d9c | 4436 | |
82641697 GM |
4437 | if (face->prev) |
4438 | face->prev->next = face->next; | |
4439 | else | |
4440 | c->buckets[i] = face->next; | |
178c5d9c | 4441 | |
82641697 GM |
4442 | if (face->next) |
4443 | face->next->prev = face->prev; | |
178c5d9c | 4444 | |
82641697 GM |
4445 | c->faces_by_id[face->id] = NULL; |
4446 | if (face->id == c->used) | |
4447 | --c->used; | |
4448 | } | |
4449 | ||
4450 | ||
4451 | /* Look up a realized face with face attributes ATTR in the face cache | |
af53b43c KH |
4452 | of frame F. The face will be used to display ASCII characters. |
4453 | Value is the ID of the face found. If no suitable face is found, | |
4454 | realize a new one. */ | |
82641697 | 4455 | |
b0ab8123 | 4456 | static int |
971de7fb | 4457 | lookup_face (struct frame *f, Lisp_Object *attr) |
82641697 | 4458 | { |
39506348 | 4459 | struct face_cache *cache = FRAME_FACE_CACHE (f); |
82641697 GM |
4460 | unsigned hash; |
4461 | int i; | |
4462 | struct face *face; | |
4463 | ||
a54e2c05 | 4464 | eassert (cache != NULL); |
82641697 GM |
4465 | check_lface_attrs (attr); |
4466 | ||
4467 | /* Look up ATTR in the face cache. */ | |
4468 | hash = lface_hash (attr); | |
4469 | i = hash % FACE_CACHE_BUCKETS_SIZE; | |
178c5d9c | 4470 | |
39506348 | 4471 | for (face = cache->buckets[i]; face; face = face->next) |
af53b43c KH |
4472 | { |
4473 | if (face->ascii_face != face) | |
4474 | { | |
4475 | /* There's no more ASCII face. */ | |
4476 | face = NULL; | |
4477 | break; | |
4478 | } | |
4479 | if (face->hash == hash | |
4480 | && lface_equal_p (face->lface, attr)) | |
4481 | break; | |
4482 | } | |
82641697 GM |
4483 | |
4484 | /* If not found, realize a new face. */ | |
4485 | if (face == NULL) | |
af53b43c | 4486 | face = realize_face (cache, attr, -1); |
82641697 | 4487 | |
e509cfa6 | 4488 | #ifdef GLYPH_DEBUG |
a54e2c05 | 4489 | eassert (face == FACE_FROM_ID (f, face->id)); |
82641697 | 4490 | #endif /* GLYPH_DEBUG */ |
178c5d9c | 4491 | |
82641697 GM |
4492 | return face->id; |
4493 | } | |
4494 | ||
2dee4c0b KH |
4495 | #ifdef HAVE_WINDOW_SYSTEM |
4496 | /* Look up a realized face that has the same attributes as BASE_FACE | |
4497 | except for the font in the face cache of frame F. If FONT-OBJECT | |
4498 | is not nil, it is an already opened font. If FONT-OBJECT is nil, | |
4499 | the face has no font. Value is the ID of the face found. If no | |
4500 | suitable face is found, realize a new one. */ | |
426b2119 | 4501 | |
426b2119 | 4502 | int |
971de7fb | 4503 | face_for_font (struct frame *f, Lisp_Object font_object, struct face *base_face) |
426b2119 KH |
4504 | { |
4505 | struct face_cache *cache = FRAME_FACE_CACHE (f); | |
4506 | unsigned hash; | |
4507 | int i; | |
4508 | struct face *face; | |
4509 | ||
a54e2c05 | 4510 | eassert (cache != NULL); |
426b2119 KH |
4511 | base_face = base_face->ascii_face; |
4512 | hash = lface_hash (base_face->lface); | |
4513 | i = hash % FACE_CACHE_BUCKETS_SIZE; | |
4514 | ||
4515 | for (face = cache->buckets[i]; face; face = face->next) | |
4516 | { | |
4517 | if (face->ascii_face == face) | |
4518 | continue; | |
4519 | if (face->ascii_face == base_face | |
2dee4c0b KH |
4520 | && face->font == (NILP (font_object) ? NULL |
4521 | : XFONT_OBJECT (font_object)) | |
4522 | && lface_equal_p (face->lface, base_face->lface)) | |
426b2119 KH |
4523 | return face->id; |
4524 | } | |
4525 | ||
4526 | /* If not found, realize a new face. */ | |
2dee4c0b | 4527 | face = realize_non_ascii_face (f, font_object, base_face); |
426b2119 KH |
4528 | return face->id; |
4529 | } | |
8c6204de | 4530 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 | 4531 | |
82641697 | 4532 | /* Return the face id of the realized face for named face SYMBOL on |
af53b43c KH |
4533 | frame F suitable for displaying ASCII characters. Value is -1 if |
4534 | the face couldn't be determined, which might happen if the default | |
4535 | face isn't realized and cannot be realized. */ | |
82641697 GM |
4536 | |
4537 | int | |
971de7fb | 4538 | lookup_named_face (struct frame *f, Lisp_Object symbol, int signal_p) |
82641697 | 4539 | { |
e7d7fd8c MB |
4540 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
4541 | Lisp_Object symbol_attrs[LFACE_VECTOR_SIZE]; | |
82641697 GM |
4542 | struct face *default_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); |
4543 | ||
b5de343d GM |
4544 | if (default_face == NULL) |
4545 | { | |
4546 | if (!realize_basic_faces (f)) | |
4547 | return -1; | |
4548 | default_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
418ca4d2 | 4549 | if (default_face == NULL) |
1088b922 | 4550 | emacs_abort (); /* realize_basic_faces must have set it up */ |
b5de343d GM |
4551 | } |
4552 | ||
f2cec7a9 | 4553 | if (! get_lface_attributes (f, symbol, symbol_attrs, signal_p, 0)) |
2272e967 KS |
4554 | return -1; |
4555 | ||
72af86bd | 4556 | memcpy (attrs, default_face->lface, sizeof attrs); |
e7d7fd8c | 4557 | merge_face_vectors (f, symbol_attrs, attrs, 0); |
a0a23346 | 4558 | |
af53b43c | 4559 | return lookup_face (f, attrs); |
82641697 GM |
4560 | } |
4561 | ||
4562 | ||
1682701f | 4563 | /* Return the display face-id of the basic face whose canonical face-id |
f2cec7a9 MB |
4564 | is FACE_ID. The return value will usually simply be FACE_ID, unless that |
4565 | basic face has bee remapped via Vface_remapping_alist. This function is | |
4566 | conservative: if something goes wrong, it will simply return FACE_ID | |
4567 | rather than signal an error. */ | |
4568 | ||
4569 | int | |
971de7fb | 4570 | lookup_basic_face (struct frame *f, int face_id) |
f2cec7a9 MB |
4571 | { |
4572 | Lisp_Object name, mapping; | |
4573 | int remapped_face_id; | |
4574 | ||
4575 | if (NILP (Vface_remapping_alist)) | |
4576 | return face_id; /* Nothing to do. */ | |
4577 | ||
4578 | switch (face_id) | |
4579 | { | |
4580 | case DEFAULT_FACE_ID: name = Qdefault; break; | |
4581 | case MODE_LINE_FACE_ID: name = Qmode_line; break; | |
4582 | case MODE_LINE_INACTIVE_FACE_ID: name = Qmode_line_inactive; break; | |
4583 | case HEADER_LINE_FACE_ID: name = Qheader_line; break; | |
4584 | case TOOL_BAR_FACE_ID: name = Qtool_bar; break; | |
4585 | case FRINGE_FACE_ID: name = Qfringe; break; | |
4586 | case SCROLL_BAR_FACE_ID: name = Qscroll_bar; break; | |
4587 | case BORDER_FACE_ID: name = Qborder; break; | |
4588 | case CURSOR_FACE_ID: name = Qcursor; break; | |
4589 | case MOUSE_FACE_ID: name = Qmouse; break; | |
4590 | case MENU_FACE_ID: name = Qmenu; break; | |
4591 | ||
4592 | default: | |
1088b922 | 4593 | emacs_abort (); /* the caller is supposed to pass us a basic face id */ |
f2cec7a9 MB |
4594 | } |
4595 | ||
4596 | /* Do a quick scan through Vface_remapping_alist, and return immediately | |
4597 | if there is no remapping for face NAME. This is just an optimization | |
4598 | for the very common no-remapping case. */ | |
4599 | mapping = assq_no_quit (name, Vface_remapping_alist); | |
4600 | if (NILP (mapping)) | |
4601 | return face_id; /* Give up. */ | |
4602 | ||
4603 | /* If there is a remapping entry, lookup the face using NAME, which will | |
4604 | handle the remapping too. */ | |
4605 | remapped_face_id = lookup_named_face (f, name, 0); | |
4606 | if (remapped_face_id < 0) | |
4607 | return face_id; /* Give up. */ | |
4608 | ||
4609 | return remapped_face_id; | |
4610 | } | |
4611 | ||
4612 | ||
82641697 GM |
4613 | /* Return a face for charset ASCII that is like the face with id |
4614 | FACE_ID on frame F, but has a font that is STEPS steps smaller. | |
4615 | STEPS < 0 means larger. Value is the id of the face. */ | |
4616 | ||
4617 | int | |
971de7fb | 4618 | smaller_face (struct frame *f, int face_id, int steps) |
39506348 | 4619 | { |
c3cee013 | 4620 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 GM |
4621 | struct face *face; |
4622 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
4623 | int pt, last_pt, last_height; | |
4624 | int delta; | |
4625 | int new_face_id; | |
4626 | struct face *new_face; | |
4627 | ||
4628 | /* If not called for an X frame, just return the original face. */ | |
4629 | if (FRAME_TERMCAP_P (f)) | |
4630 | return face_id; | |
4631 | ||
4632 | /* Try in increments of 1/2 pt. */ | |
4633 | delta = steps < 0 ? 5 : -5; | |
1ea40aa2 | 4634 | steps = eabs (steps); |
178c5d9c | 4635 | |
82641697 | 4636 | face = FACE_FROM_ID (f, face_id); |
72af86bd | 4637 | memcpy (attrs, face->lface, sizeof attrs); |
82641697 GM |
4638 | pt = last_pt = XFASTINT (attrs[LFACE_HEIGHT_INDEX]); |
4639 | new_face_id = face_id; | |
4640 | last_height = FONT_HEIGHT (face->font); | |
4641 | ||
4642 | while (steps | |
4643 | && pt + delta > 0 | |
4644 | /* Give up if we cannot find a font within 10pt. */ | |
1ea40aa2 | 4645 | && eabs (last_pt - pt) < 100) |
82641697 GM |
4646 | { |
4647 | /* Look up a face for a slightly smaller/larger font. */ | |
4648 | pt += delta; | |
4649 | attrs[LFACE_HEIGHT_INDEX] = make_number (pt); | |
af53b43c | 4650 | new_face_id = lookup_face (f, attrs); |
82641697 GM |
4651 | new_face = FACE_FROM_ID (f, new_face_id); |
4652 | ||
4653 | /* If height changes, count that as one step. */ | |
b4c3ca09 GM |
4654 | if ((delta < 0 && FONT_HEIGHT (new_face->font) < last_height) |
4655 | || (delta > 0 && FONT_HEIGHT (new_face->font) > last_height)) | |
82641697 GM |
4656 | { |
4657 | --steps; | |
4658 | last_height = FONT_HEIGHT (new_face->font); | |
4659 | last_pt = pt; | |
4660 | } | |
4661 | } | |
4662 | ||
4663 | return new_face_id; | |
4664 | ||
c3cee013 | 4665 | #else /* not HAVE_WINDOW_SYSTEM */ |
82641697 GM |
4666 | |
4667 | return face_id; | |
178c5d9c | 4668 | |
c3cee013 | 4669 | #endif /* not HAVE_WINDOW_SYSTEM */ |
82641697 GM |
4670 | } |
4671 | ||
4672 | ||
4673 | /* Return a face for charset ASCII that is like the face with id | |
4674 | FACE_ID on frame F, but has height HEIGHT. */ | |
4675 | ||
4676 | int | |
971de7fb | 4677 | face_with_height (struct frame *f, int face_id, int height) |
82641697 | 4678 | { |
c3cee013 | 4679 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 GM |
4680 | struct face *face; |
4681 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
4682 | ||
4683 | if (FRAME_TERMCAP_P (f) | |
4684 | || height <= 0) | |
4685 | return face_id; | |
4686 | ||
4687 | face = FACE_FROM_ID (f, face_id); | |
72af86bd | 4688 | memcpy (attrs, face->lface, sizeof attrs); |
82641697 | 4689 | attrs[LFACE_HEIGHT_INDEX] = make_number (height); |
a8c0cc18 | 4690 | font_clear_prop (attrs, FONT_SIZE_INDEX); |
af53b43c | 4691 | face_id = lookup_face (f, attrs); |
c3cee013 | 4692 | #endif /* HAVE_WINDOW_SYSTEM */ |
178c5d9c | 4693 | |
82641697 GM |
4694 | return face_id; |
4695 | } | |
4696 | ||
b5de343d | 4697 | |
44747bd0 | 4698 | /* Return the face id of the realized face for named face SYMBOL on |
af53b43c KH |
4699 | frame F suitable for displaying ASCII characters, and use |
4700 | attributes of the face FACE_ID for attributes that aren't | |
4701 | completely specified by SYMBOL. This is like lookup_named_face, | |
4702 | except that the default attributes come from FACE_ID, not from the | |
4703 | default face. FACE_ID is assumed to be already realized. */ | |
44747bd0 EZ |
4704 | |
4705 | int | |
b5f03016 AS |
4706 | lookup_derived_face (struct frame *f, Lisp_Object symbol, int face_id, |
4707 | int signal_p) | |
44747bd0 | 4708 | { |
e7d7fd8c | 4709 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
44747bd0 EZ |
4710 | Lisp_Object symbol_attrs[LFACE_VECTOR_SIZE]; |
4711 | struct face *default_face = FACE_FROM_ID (f, face_id); | |
4712 | ||
4713 | if (!default_face) | |
1088b922 | 4714 | emacs_abort (); |
44747bd0 | 4715 | |
d8453278 CY |
4716 | if (!get_lface_attributes (f, symbol, symbol_attrs, signal_p, 0)) |
4717 | return -1; | |
4718 | ||
72af86bd | 4719 | memcpy (attrs, default_face->lface, sizeof attrs); |
e7d7fd8c | 4720 | merge_face_vectors (f, symbol_attrs, attrs, 0); |
af53b43c | 4721 | return lookup_face (f, attrs); |
44747bd0 EZ |
4722 | } |
4723 | ||
f6608d5c RS |
4724 | DEFUN ("face-attributes-as-vector", Fface_attributes_as_vector, |
4725 | Sface_attributes_as_vector, 1, 1, 0, | |
4bb962be | 4726 | doc: /* Return a vector of face attributes corresponding to PLIST. */) |
5842a27b | 4727 | (Lisp_Object plist) |
f6608d5c RS |
4728 | { |
4729 | Lisp_Object lface; | |
4730 | lface = Fmake_vector (make_number (LFACE_VECTOR_SIZE), | |
4731 | Qunspecified); | |
a0a23346 MB |
4732 | merge_face_ref (XFRAME (selected_frame), plist, XVECTOR (lface)->contents, |
4733 | 1, 0); | |
f6608d5c RS |
4734 | return lface; |
4735 | } | |
4736 | ||
82641697 GM |
4737 | |
4738 | \f | |
9717e36c MB |
4739 | /*********************************************************************** |
4740 | Face capability testing | |
4741 | ***********************************************************************/ | |
4742 | ||
4743 | ||
4744 | /* If the distance (as returned by color_distance) between two colors is | |
4745 | less than this, then they are considered the same, for determining | |
4746 | whether a color is supported or not. The range of values is 0-65535. */ | |
4747 | ||
4748 | #define TTY_SAME_COLOR_THRESHOLD 10000 | |
4749 | ||
ccda4e3c | 4750 | #ifdef HAVE_WINDOW_SYSTEM |
9717e36c MB |
4751 | |
4752 | /* Return non-zero if all the face attributes in ATTRS are supported | |
4753 | on the window-system frame F. | |
4754 | ||
4755 | The definition of `supported' is somewhat heuristic, but basically means | |
4756 | that a face containing all the attributes in ATTRS, when merged with the | |
4757 | default face for display, can be represented in a way that's | |
4758 | ||
4759 | \(1) different in appearance than the default face, and | |
8e330b22 | 4760 | \(2) `close in spirit' to what the attributes specify, if not exact. */ |
9717e36c MB |
4761 | |
4762 | static int | |
4973679b PE |
4763 | x_supports_face_attributes_p (struct frame *f, |
4764 | Lisp_Object attrs[LFACE_VECTOR_SIZE], | |
b5f03016 | 4765 | struct face *def_face) |
9717e36c | 4766 | { |
8e330b22 | 4767 | Lisp_Object *def_attrs = def_face->lface; |
9717e36c MB |
4768 | |
4769 | /* Check that other specified attributes are different that the default | |
4770 | face. */ | |
4771 | if ((!UNSPECIFIEDP (attrs[LFACE_UNDERLINE_INDEX]) | |
4772 | && face_attr_equal_p (attrs[LFACE_UNDERLINE_INDEX], | |
4773 | def_attrs[LFACE_UNDERLINE_INDEX])) | |
4774 | || (!UNSPECIFIEDP (attrs[LFACE_INVERSE_INDEX]) | |
4775 | && face_attr_equal_p (attrs[LFACE_INVERSE_INDEX], | |
4776 | def_attrs[LFACE_INVERSE_INDEX])) | |
4777 | || (!UNSPECIFIEDP (attrs[LFACE_FOREGROUND_INDEX]) | |
4778 | && face_attr_equal_p (attrs[LFACE_FOREGROUND_INDEX], | |
4779 | def_attrs[LFACE_FOREGROUND_INDEX])) | |
4780 | || (!UNSPECIFIEDP (attrs[LFACE_BACKGROUND_INDEX]) | |
4781 | && face_attr_equal_p (attrs[LFACE_BACKGROUND_INDEX], | |
4782 | def_attrs[LFACE_BACKGROUND_INDEX])) | |
4783 | || (!UNSPECIFIEDP (attrs[LFACE_STIPPLE_INDEX]) | |
4784 | && face_attr_equal_p (attrs[LFACE_STIPPLE_INDEX], | |
4785 | def_attrs[LFACE_STIPPLE_INDEX])) | |
4786 | || (!UNSPECIFIEDP (attrs[LFACE_OVERLINE_INDEX]) | |
4787 | && face_attr_equal_p (attrs[LFACE_OVERLINE_INDEX], | |
4788 | def_attrs[LFACE_OVERLINE_INDEX])) | |
4789 | || (!UNSPECIFIEDP (attrs[LFACE_STRIKE_THROUGH_INDEX]) | |
4790 | && face_attr_equal_p (attrs[LFACE_STRIKE_THROUGH_INDEX], | |
4791 | def_attrs[LFACE_STRIKE_THROUGH_INDEX])) | |
4792 | || (!UNSPECIFIEDP (attrs[LFACE_BOX_INDEX]) | |
4793 | && face_attr_equal_p (attrs[LFACE_BOX_INDEX], | |
4794 | def_attrs[LFACE_BOX_INDEX]))) | |
4795 | return 0; | |
4796 | ||
4797 | /* Check font-related attributes, as those are the most commonly | |
4798 | "unsupported" on a window-system (because of missing fonts). */ | |
4799 | if (!UNSPECIFIEDP (attrs[LFACE_FAMILY_INDEX]) | |
53aaf1e2 | 4800 | || !UNSPECIFIEDP (attrs[LFACE_FOUNDRY_INDEX]) |
9717e36c MB |
4801 | || !UNSPECIFIEDP (attrs[LFACE_HEIGHT_INDEX]) |
4802 | || !UNSPECIFIEDP (attrs[LFACE_WEIGHT_INDEX]) | |
4803 | || !UNSPECIFIEDP (attrs[LFACE_SLANT_INDEX]) | |
2dee4c0b | 4804 | || !UNSPECIFIEDP (attrs[LFACE_SWIDTH_INDEX])) |
9717e36c | 4805 | { |
327719ee | 4806 | int face_id; |
9717e36c MB |
4807 | struct face *face; |
4808 | Lisp_Object merged_attrs[LFACE_VECTOR_SIZE]; | |
2dee4c0b | 4809 | int i; |
9717e36c | 4810 | |
72af86bd | 4811 | memcpy (merged_attrs, def_attrs, sizeof merged_attrs); |
9717e36c | 4812 | |
a0a23346 | 4813 | merge_face_vectors (f, attrs, merged_attrs, 0); |
9717e36c | 4814 | |
327719ee MB |
4815 | face_id = lookup_face (f, merged_attrs); |
4816 | face = FACE_FROM_ID (f, face_id); | |
9717e36c MB |
4817 | |
4818 | if (! face) | |
2010ba8c | 4819 | error ("Cannot make face"); |
9717e36c | 4820 | |
4fc1984a KH |
4821 | /* If the font is the same, or no font is found, then not |
4822 | supported. */ | |
4823 | if (face->font == def_face->font | |
4824 | || ! face->font) | |
9717e36c | 4825 | return 0; |
2dee4c0b KH |
4826 | for (i = FONT_TYPE_INDEX; i <= FONT_SIZE_INDEX; i++) |
4827 | if (! EQ (face->font->props[i], def_face->font->props[i])) | |
4828 | { | |
4829 | Lisp_Object s1, s2; | |
4830 | ||
4831 | if (i < FONT_FOUNDRY_INDEX || i > FONT_REGISTRY_INDEX | |
4832 | || face->font->driver->case_sensitive) | |
4833 | return 1; | |
4834 | s1 = SYMBOL_NAME (face->font->props[i]); | |
4835 | s2 = SYMBOL_NAME (def_face->font->props[i]); | |
4836 | if (! EQ (Fcompare_strings (s1, make_number (0), Qnil, | |
4837 | s2, make_number (0), Qnil, Qt), Qt)) | |
4838 | return 1; | |
4839 | } | |
4840 | return 0; | |
9717e36c MB |
4841 | } |
4842 | ||
4843 | /* Everything checks out, this face is supported. */ | |
4844 | return 1; | |
4845 | } | |
4846 | ||
ccda4e3c | 4847 | #endif /* HAVE_WINDOW_SYSTEM */ |
9717e36c MB |
4848 | |
4849 | /* Return non-zero if all the face attributes in ATTRS are supported | |
4850 | on the tty frame F. | |
4851 | ||
4852 | The definition of `supported' is somewhat heuristic, but basically means | |
4853 | that a face containing all the attributes in ATTRS, when merged | |
4854 | with the default face for display, can be represented in a way that's | |
4855 | ||
4856 | \(1) different in appearance than the default face, and | |
4857 | \(2) `close in spirit' to what the attributes specify, if not exact. | |
4858 | ||
4859 | Point (2) implies that a `:weight black' attribute will be satisfied | |
4860 | by any terminal that can display bold, and a `:foreground "yellow"' as | |
4861 | long as the terminal can display a yellowish color, but `:slant italic' | |
4862 | will _not_ be satisfied by the tty display code's automatic | |
4863 | substitution of a `dim' face for italic. */ | |
4864 | ||
4865 | static int | |
4973679b PE |
4866 | tty_supports_face_attributes_p (struct frame *f, |
4867 | Lisp_Object attrs[LFACE_VECTOR_SIZE], | |
b5f03016 | 4868 | struct face *def_face) |
9717e36c | 4869 | { |
cd4eb164 | 4870 | int weight, slant; |
9717e36c MB |
4871 | Lisp_Object val, fg, bg; |
4872 | XColor fg_tty_color, fg_std_color; | |
4873 | XColor bg_tty_color, bg_std_color; | |
4874 | unsigned test_caps = 0; | |
8e330b22 | 4875 | Lisp_Object *def_attrs = def_face->lface; |
9717e36c | 4876 | |
8e330b22 MB |
4877 | /* First check some easy-to-check stuff; ttys support none of the |
4878 | following attributes, so we can just return false if any are requested | |
4879 | (even if `nominal' values are specified, we should still return false, | |
4880 | as that will be the same value that the default face uses). We | |
4881 | consider :slant unsupportable on ttys, even though the face code | |
4882 | actually `fakes' them using a dim attribute if possible. This is | |
4883 | because the faked result is too different from what the face | |
4884 | specifies. */ | |
4885 | if (!UNSPECIFIEDP (attrs[LFACE_FAMILY_INDEX]) | |
53aaf1e2 | 4886 | || !UNSPECIFIEDP (attrs[LFACE_FOUNDRY_INDEX]) |
8e330b22 MB |
4887 | || !UNSPECIFIEDP (attrs[LFACE_STIPPLE_INDEX]) |
4888 | || !UNSPECIFIEDP (attrs[LFACE_HEIGHT_INDEX]) | |
4889 | || !UNSPECIFIEDP (attrs[LFACE_SWIDTH_INDEX]) | |
4890 | || !UNSPECIFIEDP (attrs[LFACE_OVERLINE_INDEX]) | |
4891 | || !UNSPECIFIEDP (attrs[LFACE_STRIKE_THROUGH_INDEX]) | |
cd4eb164 | 4892 | || !UNSPECIFIEDP (attrs[LFACE_BOX_INDEX])) |
9717e36c MB |
4893 | return 0; |
4894 | ||
9717e36c MB |
4895 | /* Test for terminal `capabilities' (non-color character attributes). */ |
4896 | ||
4897 | /* font weight (bold/dim) */ | |
337fbd17 CY |
4898 | val = attrs[LFACE_WEIGHT_INDEX]; |
4899 | if (!UNSPECIFIEDP (val) | |
4900 | && (weight = FONT_WEIGHT_NAME_NUMERIC (val), weight >= 0)) | |
9717e36c | 4901 | { |
2dee4c0b | 4902 | int def_weight = FONT_WEIGHT_NAME_NUMERIC (def_attrs[LFACE_WEIGHT_INDEX]); |
8e330b22 | 4903 | |
2dee4c0b | 4904 | if (weight > 100) |
8e330b22 | 4905 | { |
2dee4c0b | 4906 | if (def_weight > 100) |
8e330b22 MB |
4907 | return 0; /* same as default */ |
4908 | test_caps = TTY_CAP_BOLD; | |
4909 | } | |
2dee4c0b | 4910 | else if (weight < 100) |
8e330b22 | 4911 | { |
2dee4c0b | 4912 | if (def_weight < 100) |
8e330b22 MB |
4913 | return 0; /* same as default */ |
4914 | test_caps = TTY_CAP_DIM; | |
4915 | } | |
2dee4c0b | 4916 | else if (def_weight == 100) |
8e330b22 | 4917 | return 0; /* same as default */ |
9717e36c MB |
4918 | } |
4919 | ||
cd4eb164 CY |
4920 | /* font slant */ |
4921 | val = attrs[LFACE_SLANT_INDEX]; | |
4922 | if (!UNSPECIFIEDP (val) | |
4923 | && (slant = FONT_SLANT_NAME_NUMERIC (val), slant >= 0)) | |
4924 | { | |
4925 | int def_slant = FONT_SLANT_NAME_NUMERIC (def_attrs[LFACE_SLANT_INDEX]); | |
4926 | if (slant == 100 || slant == def_slant) | |
4927 | return 0; /* same as default */ | |
4928 | else | |
4929 | test_caps |= TTY_CAP_ITALIC; | |
4930 | } | |
4931 | ||
9717e36c MB |
4932 | /* underlining */ |
4933 | val = attrs[LFACE_UNDERLINE_INDEX]; | |
8e330b22 | 4934 | if (!UNSPECIFIEDP (val)) |
9717e36c MB |
4935 | { |
4936 | if (STRINGP (val)) | |
8e330b22 MB |
4937 | return 0; /* ttys can't use colored underlines */ |
4938 | else if (face_attr_equal_p (val, def_attrs[LFACE_UNDERLINE_INDEX])) | |
4939 | return 0; /* same as default */ | |
9717e36c MB |
4940 | else |
4941 | test_caps |= TTY_CAP_UNDERLINE; | |
4942 | } | |
4943 | ||
4944 | /* inverse video */ | |
4945 | val = attrs[LFACE_INVERSE_INDEX]; | |
8e330b22 MB |
4946 | if (!UNSPECIFIEDP (val)) |
4947 | { | |
a13ab63f | 4948 | if (face_attr_equal_p (val, def_attrs[LFACE_INVERSE_INDEX])) |
8e330b22 MB |
4949 | return 0; /* same as default */ |
4950 | else | |
4951 | test_caps |= TTY_CAP_INVERSE; | |
4952 | } | |
9717e36c MB |
4953 | |
4954 | ||
4955 | /* Color testing. */ | |
4956 | ||
4957 | /* Default the color indices in FG_TTY_COLOR and BG_TTY_COLOR, since | |
4958 | we use them when calling `tty_capable_p' below, even if the face | |
4959 | specifies no colors. */ | |
4960 | fg_tty_color.pixel = FACE_TTY_DEFAULT_FG_COLOR; | |
4961 | bg_tty_color.pixel = FACE_TTY_DEFAULT_BG_COLOR; | |
4962 | ||
4963 | /* Check if foreground color is close enough. */ | |
4964 | fg = attrs[LFACE_FOREGROUND_INDEX]; | |
4965 | if (STRINGP (fg)) | |
4966 | { | |
8e330b22 MB |
4967 | Lisp_Object def_fg = def_attrs[LFACE_FOREGROUND_INDEX]; |
4968 | ||
4969 | if (face_attr_equal_p (fg, def_fg)) | |
4970 | return 0; /* same as default */ | |
4971 | else if (! tty_lookup_color (f, fg, &fg_tty_color, &fg_std_color)) | |
4972 | return 0; /* not a valid color */ | |
9717e36c MB |
4973 | else if (color_distance (&fg_tty_color, &fg_std_color) |
4974 | > TTY_SAME_COLOR_THRESHOLD) | |
8e330b22 MB |
4975 | return 0; /* displayed color is too different */ |
4976 | else | |
4977 | /* Make sure the color is really different than the default. */ | |
4978 | { | |
4979 | XColor def_fg_color; | |
4980 | if (tty_lookup_color (f, def_fg, &def_fg_color, 0) | |
4981 | && (color_distance (&fg_tty_color, &def_fg_color) | |
4982 | <= TTY_SAME_COLOR_THRESHOLD)) | |
4983 | return 0; | |
4984 | } | |
9717e36c MB |
4985 | } |
4986 | ||
4987 | /* Check if background color is close enough. */ | |
4988 | bg = attrs[LFACE_BACKGROUND_INDEX]; | |
4989 | if (STRINGP (bg)) | |
4990 | { | |
a13ab63f | 4991 | Lisp_Object def_bg = def_attrs[LFACE_BACKGROUND_INDEX]; |
8e330b22 MB |
4992 | |
4993 | if (face_attr_equal_p (bg, def_bg)) | |
4994 | return 0; /* same as default */ | |
4995 | else if (! tty_lookup_color (f, bg, &bg_tty_color, &bg_std_color)) | |
4996 | return 0; /* not a valid color */ | |
9717e36c MB |
4997 | else if (color_distance (&bg_tty_color, &bg_std_color) |
4998 | > TTY_SAME_COLOR_THRESHOLD) | |
8e330b22 MB |
4999 | return 0; /* displayed color is too different */ |
5000 | else | |
5001 | /* Make sure the color is really different than the default. */ | |
5002 | { | |
5003 | XColor def_bg_color; | |
5004 | if (tty_lookup_color (f, def_bg, &def_bg_color, 0) | |
5005 | && (color_distance (&bg_tty_color, &def_bg_color) | |
5006 | <= TTY_SAME_COLOR_THRESHOLD)) | |
5007 | return 0; | |
5008 | } | |
9717e36c MB |
5009 | } |
5010 | ||
5011 | /* If both foreground and background are requested, see if the | |
5012 | distance between them is OK. We just check to see if the distance | |
5013 | between the tty's foreground and background is close enough to the | |
5014 | distance between the standard foreground and background. */ | |
5015 | if (STRINGP (fg) && STRINGP (bg)) | |
5016 | { | |
5017 | int delta_delta | |
5018 | = (color_distance (&fg_std_color, &bg_std_color) | |
5019 | - color_distance (&fg_tty_color, &bg_tty_color)); | |
5020 | if (delta_delta > TTY_SAME_COLOR_THRESHOLD | |
5021 | || delta_delta < -TTY_SAME_COLOR_THRESHOLD) | |
5022 | return 0; | |
5023 | } | |
5024 | ||
5025 | ||
5026 | /* See if the capabilities we selected above are supported, with the | |
5027 | given colors. */ | |
5028 | if (test_caps != 0 && | |
b5f03016 AS |
5029 | ! tty_capable_p (FRAME_TTY (f), test_caps, fg_tty_color.pixel, |
5030 | bg_tty_color.pixel)) | |
9717e36c MB |
5031 | return 0; |
5032 | ||
5033 | ||
5034 | /* Hmmm, everything checks out, this terminal must support this face. */ | |
5035 | return 1; | |
5036 | } | |
5037 | ||
5038 | ||
5039 | DEFUN ("display-supports-face-attributes-p", | |
5040 | Fdisplay_supports_face_attributes_p, Sdisplay_supports_face_attributes_p, | |
5041 | 1, 2, 0, | |
5042 | doc: /* Return non-nil if all the face attributes in ATTRIBUTES are supported. | |
5043 | The optional argument DISPLAY can be a display name, a frame, or | |
9fed2905 | 5044 | nil (meaning the selected frame's display). |
9717e36c MB |
5045 | |
5046 | The definition of `supported' is somewhat heuristic, but basically means | |
5047 | that a face containing all the attributes in ATTRIBUTES, when merged | |
5048 | with the default face for display, can be represented in a way that's | |
5049 | ||
5050 | \(1) different in appearance than the default face, and | |
5051 | \(2) `close in spirit' to what the attributes specify, if not exact. | |
5052 | ||
5053 | Point (2) implies that a `:weight black' attribute will be satisfied by | |
5054 | any display that can display bold, and a `:foreground \"yellow\"' as long | |
5055 | as it can display a yellowish color, but `:slant italic' will _not_ be | |
5056 | satisfied by the tty display code's automatic substitution of a `dim' | |
9fed2905 | 5057 | face for italic. */) |
5842a27b | 5058 | (Lisp_Object attributes, Lisp_Object display) |
9717e36c | 5059 | { |
221439a0 | 5060 | int supports = 0, i; |
9717e36c MB |
5061 | Lisp_Object frame; |
5062 | struct frame *f; | |
8e330b22 | 5063 | struct face *def_face; |
9717e36c MB |
5064 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
5065 | ||
0722292b MB |
5066 | if (noninteractive || !initialized) |
5067 | /* We may not be able to access low-level face information in batch | |
5068 | mode, or before being dumped, and this function is not going to | |
5069 | be very useful in those cases anyway, so just give up. */ | |
5070 | return Qnil; | |
5071 | ||
9717e36c MB |
5072 | if (NILP (display)) |
5073 | frame = selected_frame; | |
5074 | else if (FRAMEP (display)) | |
5075 | frame = display; | |
5076 | else | |
5077 | { | |
5078 | /* Find any frame on DISPLAY. */ | |
5079 | Lisp_Object fl_tail; | |
5080 | ||
5081 | frame = Qnil; | |
5082 | for (fl_tail = Vframe_list; CONSP (fl_tail); fl_tail = XCDR (fl_tail)) | |
5083 | { | |
5084 | frame = XCAR (fl_tail); | |
5085 | if (!NILP (Fequal (Fcdr (Fassq (Qdisplay, | |
e69b0960 | 5086 | XFRAME (frame)->param_alist)), |
9717e36c MB |
5087 | display))) |
5088 | break; | |
5089 | } | |
5090 | } | |
5091 | ||
5092 | CHECK_LIVE_FRAME (frame); | |
5093 | f = XFRAME (frame); | |
5094 | ||
5095 | for (i = 0; i < LFACE_VECTOR_SIZE; i++) | |
5096 | attrs[i] = Qunspecified; | |
a0a23346 | 5097 | merge_face_ref (f, attributes, attrs, 1, 0); |
9717e36c | 5098 | |
8e330b22 MB |
5099 | def_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); |
5100 | if (def_face == NULL) | |
5101 | { | |
5102 | if (! realize_basic_faces (f)) | |
734e9514 | 5103 | error ("Cannot realize default face"); |
8e330b22 | 5104 | def_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); |
418ca4d2 | 5105 | if (def_face == NULL) |
1088b922 | 5106 | emacs_abort (); /* realize_basic_faces must have set it up */ |
8e330b22 MB |
5107 | } |
5108 | ||
9717e36c MB |
5109 | /* Dispatch to the appropriate handler. */ |
5110 | if (FRAME_TERMCAP_P (f) || FRAME_MSDOS_P (f)) | |
8e330b22 | 5111 | supports = tty_supports_face_attributes_p (f, attrs, def_face); |
ccda4e3c | 5112 | #ifdef HAVE_WINDOW_SYSTEM |
9717e36c | 5113 | else |
8e330b22 MB |
5114 | supports = x_supports_face_attributes_p (f, attrs, def_face); |
5115 | #endif | |
9717e36c MB |
5116 | |
5117 | return supports ? Qt : Qnil; | |
5118 | } | |
5119 | ||
5120 | \f | |
82641697 GM |
5121 | /*********************************************************************** |
5122 | Font selection | |
5123 | ***********************************************************************/ | |
5124 | ||
2c7d1565 | 5125 | DEFUN ("internal-set-font-selection-order", |
82641697 GM |
5126 | Finternal_set_font_selection_order, |
5127 | Sinternal_set_font_selection_order, 1, 1, 0, | |
7ee72033 | 5128 | doc: /* Set font selection order for face font selection to ORDER. |
228299fa GM |
5129 | ORDER must be a list of length 4 containing the symbols `:width', |
5130 | `:height', `:weight', and `:slant'. Face attributes appearing | |
5131 | first in ORDER are matched first, e.g. if `:height' appears before | |
5132 | `:weight' in ORDER, font selection first tries to find a font with | |
5133 | a suitable height, and then tries to match the font weight. | |
7ee72033 | 5134 | Value is ORDER. */) |
5842a27b | 5135 | (Lisp_Object order) |
82641697 GM |
5136 | { |
5137 | Lisp_Object list; | |
5138 | int i; | |
a08332c0 | 5139 | int indices[DIM (font_sort_order)]; |
178c5d9c | 5140 | |
b7826503 | 5141 | CHECK_LIST (order); |
72af86bd | 5142 | memset (indices, 0, sizeof indices); |
82641697 GM |
5143 | i = 0; |
5144 | ||
5145 | for (list = order; | |
5146 | CONSP (list) && i < DIM (indices); | |
5147 | list = XCDR (list), ++i) | |
5148 | { | |
5149 | Lisp_Object attr = XCAR (list); | |
5150 | int xlfd; | |
5151 | ||
5152 | if (EQ (attr, QCwidth)) | |
5153 | xlfd = XLFD_SWIDTH; | |
5154 | else if (EQ (attr, QCheight)) | |
5155 | xlfd = XLFD_POINT_SIZE; | |
5156 | else if (EQ (attr, QCweight)) | |
5157 | xlfd = XLFD_WEIGHT; | |
5158 | else if (EQ (attr, QCslant)) | |
5159 | xlfd = XLFD_SLANT; | |
5160 | else | |
5161 | break; | |
5162 | ||
5163 | if (indices[i] != 0) | |
5164 | break; | |
5165 | indices[i] = xlfd; | |
5166 | } | |
5167 | ||
a08332c0 | 5168 | if (!NILP (list) || i != DIM (indices)) |
82641697 | 5169 | signal_error ("Invalid font sort order", order); |
a08332c0 GM |
5170 | for (i = 0; i < DIM (font_sort_order); ++i) |
5171 | if (indices[i] == 0) | |
5172 | signal_error ("Invalid font sort order", order); | |
82641697 | 5173 | |
72af86bd | 5174 | if (memcmp (indices, font_sort_order, sizeof indices) != 0) |
82641697 | 5175 | { |
72af86bd | 5176 | memcpy (font_sort_order, indices, sizeof font_sort_order); |
82641697 GM |
5177 | free_all_realized_faces (Qnil); |
5178 | } | |
178c5d9c | 5179 | |
2dee4c0b | 5180 | font_update_sort_order (font_sort_order); |
426b2119 | 5181 | |
82641697 GM |
5182 | return Qnil; |
5183 | } | |
5184 | ||
5185 | ||
5186 | DEFUN ("internal-set-alternative-font-family-alist", | |
5187 | Finternal_set_alternative_font_family_alist, | |
5188 | Sinternal_set_alternative_font_family_alist, 1, 1, 0, | |
c71f3632 | 5189 | doc: /* Define alternative font families to try in face font selection. |
228299fa GM |
5190 | ALIST is an alist of (FAMILY ALTERNATIVE1 ALTERNATIVE2 ...) entries. |
5191 | Each ALTERNATIVE is tried in order if no fonts of font family FAMILY can | |
7ee72033 | 5192 | be found. Value is ALIST. */) |
5842a27b | 5193 | (Lisp_Object alist) |
82641697 | 5194 | { |
a77d5bb2 | 5195 | Lisp_Object entry, tail, tail2; |
53aaf1e2 | 5196 | |
b7826503 | 5197 | CHECK_LIST (alist); |
53aaf1e2 KH |
5198 | alist = Fcopy_sequence (alist); |
5199 | for (tail = alist; CONSP (tail); tail = XCDR (tail)) | |
a77d5bb2 CY |
5200 | { |
5201 | entry = XCAR (tail); | |
5202 | CHECK_LIST (entry); | |
5203 | entry = Fcopy_sequence (entry); | |
5204 | XSETCAR (tail, entry); | |
5205 | for (tail2 = entry; CONSP (tail2); tail2 = XCDR (tail2)) | |
5206 | XSETCAR (tail2, Fintern (XCAR (tail2), Qnil)); | |
5207 | } | |
5208 | ||
82641697 GM |
5209 | Vface_alternative_font_family_alist = alist; |
5210 | free_all_realized_faces (Qnil); | |
5211 | return alist; | |
5212 | } | |
5213 | ||
5214 | ||
32fcc231 GM |
5215 | DEFUN ("internal-set-alternative-font-registry-alist", |
5216 | Finternal_set_alternative_font_registry_alist, | |
5217 | Sinternal_set_alternative_font_registry_alist, 1, 1, 0, | |
e3cd9e7f | 5218 | doc: /* Define alternative font registries to try in face font selection. |
228299fa GM |
5219 | ALIST is an alist of (REGISTRY ALTERNATIVE1 ALTERNATIVE2 ...) entries. |
5220 | Each ALTERNATIVE is tried in order if no fonts of font registry REGISTRY can | |
7ee72033 | 5221 | be found. Value is ALIST. */) |
5842a27b | 5222 | (Lisp_Object alist) |
32fcc231 | 5223 | { |
a77d5bb2 | 5224 | Lisp_Object entry, tail, tail2; |
53aaf1e2 | 5225 | |
b7826503 | 5226 | CHECK_LIST (alist); |
53aaf1e2 KH |
5227 | alist = Fcopy_sequence (alist); |
5228 | for (tail = alist; CONSP (tail); tail = XCDR (tail)) | |
a77d5bb2 CY |
5229 | { |
5230 | entry = XCAR (tail); | |
5231 | CHECK_LIST (entry); | |
5232 | entry = Fcopy_sequence (entry); | |
5233 | XSETCAR (tail, entry); | |
5234 | for (tail2 = entry; CONSP (tail2); tail2 = XCDR (tail2)) | |
5235 | XSETCAR (tail2, Fdowncase (XCAR (tail2))); | |
5236 | } | |
32fcc231 GM |
5237 | Vface_alternative_font_registry_alist = alist; |
5238 | free_all_realized_faces (Qnil); | |
5239 | return alist; | |
5240 | } | |
5241 | ||
5242 | ||
c3cee013 | 5243 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 5244 | |
39506348 KH |
5245 | /* Return the fontset id of the base fontset name or alias name given |
5246 | by the fontset attribute of ATTRS. Value is -1 if the fontset | |
5247 | attribute of ATTRS doesn't name a fontset. */ | |
82641697 GM |
5248 | |
5249 | static int | |
4973679b | 5250 | face_fontset (Lisp_Object attrs[LFACE_VECTOR_SIZE]) |
82641697 | 5251 | { |
39506348 | 5252 | Lisp_Object name; |
178c5d9c | 5253 | |
763bc839 | 5254 | name = attrs[LFACE_FONTSET_INDEX]; |
39506348 KH |
5255 | if (!STRINGP (name)) |
5256 | return -1; | |
5257 | return fs_query_fontset (name, 0); | |
82641697 GM |
5258 | } |
5259 | ||
c3cee013 | 5260 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
5261 | |
5262 | ||
5263 | \f | |
5264 | /*********************************************************************** | |
5265 | Face Realization | |
5266 | ***********************************************************************/ | |
5267 | ||
5268 | /* Realize basic faces on frame F. Value is zero if frame parameters | |
5269 | of F don't contain enough information needed to realize the default | |
5270 | face. */ | |
5271 | ||
5272 | static int | |
971de7fb | 5273 | realize_basic_faces (struct frame *f) |
82641697 GM |
5274 | { |
5275 | int success_p = 0; | |
d311d28c | 5276 | ptrdiff_t count = SPECPDL_INDEX (); |
17e8204b | 5277 | |
04386463 GM |
5278 | /* Block input here so that we won't be surprised by an X expose |
5279 | event, for instance, without having the faces set up. */ | |
4d7e6e51 | 5280 | block_input (); |
eeffb293 | 5281 | specbind (Qscalable_fonts_allowed, Qt); |
178c5d9c | 5282 | |
82641697 GM |
5283 | if (realize_default_face (f)) |
5284 | { | |
92610620 | 5285 | realize_named_face (f, Qmode_line, MODE_LINE_FACE_ID); |
039b6394 | 5286 | realize_named_face (f, Qmode_line_inactive, MODE_LINE_INACTIVE_FACE_ID); |
9ea173e8 | 5287 | realize_named_face (f, Qtool_bar, TOOL_BAR_FACE_ID); |
4e50fa8b | 5288 | realize_named_face (f, Qfringe, FRINGE_FACE_ID); |
045dee35 | 5289 | realize_named_face (f, Qheader_line, HEADER_LINE_FACE_ID); |
8bd201d6 GM |
5290 | realize_named_face (f, Qscroll_bar, SCROLL_BAR_FACE_ID); |
5291 | realize_named_face (f, Qborder, BORDER_FACE_ID); | |
5292 | realize_named_face (f, Qcursor, CURSOR_FACE_ID); | |
5293 | realize_named_face (f, Qmouse, MOUSE_FACE_ID); | |
c7ae3284 | 5294 | realize_named_face (f, Qmenu, MENU_FACE_ID); |
53abc3bf | 5295 | realize_named_face (f, Qvertical_border, VERTICAL_BORDER_FACE_ID); |
563f68f1 | 5296 | |
b5de343d | 5297 | /* Reflect changes in the `menu' face in menu bars. */ |
ceeda019 | 5298 | if (FRAME_FACE_CACHE (f)->menu_face_changed_p) |
563f68f1 | 5299 | { |
ceeda019 | 5300 | FRAME_FACE_CACHE (f)->menu_face_changed_p = 0; |
563f68f1 | 5301 | #ifdef USE_X_TOOLKIT |
b5f03016 AS |
5302 | if (FRAME_WINDOW_P (f)) |
5303 | x_update_menu_appearance (f); | |
a03ad468 | 5304 | #endif |
563f68f1 | 5305 | } |
177c0ea7 | 5306 | |
82641697 GM |
5307 | success_p = 1; |
5308 | } | |
5309 | ||
eeffb293 | 5310 | unbind_to (count, Qnil); |
4d7e6e51 | 5311 | unblock_input (); |
82641697 GM |
5312 | return success_p; |
5313 | } | |
5314 | ||
5315 | ||
5316 | /* Realize the default face on frame F. If the face is not fully | |
5317 | specified, make it fully-specified. Attributes of the default face | |
5318 | that are not explicitly specified are taken from frame parameters. */ | |
5319 | ||
5320 | static int | |
971de7fb | 5321 | realize_default_face (struct frame *f) |
82641697 GM |
5322 | { |
5323 | struct face_cache *c = FRAME_FACE_CACHE (f); | |
5324 | Lisp_Object lface; | |
5325 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
82641697 | 5326 | struct face *face; |
82641697 GM |
5327 | |
5328 | /* If the `default' face is not yet known, create it. */ | |
5329 | lface = lface_from_face_name (f, Qdefault, 0); | |
5330 | if (NILP (lface)) | |
1682701f | 5331 | { |
07446869 GM |
5332 | Lisp_Object frame; |
5333 | XSETFRAME (frame, f); | |
5334 | lface = Finternal_make_lisp_face (Qdefault, frame); | |
1682701f | 5335 | } |
07446869 | 5336 | |
c3cee013 JR |
5337 | #ifdef HAVE_WINDOW_SYSTEM |
5338 | if (FRAME_WINDOW_P (f)) | |
82641697 | 5339 | { |
2dee4c0b KH |
5340 | Lisp_Object font_object; |
5341 | ||
5342 | XSETFONT (font_object, FRAME_FONT (f)); | |
5343 | set_lface_from_font (f, lface, font_object, f->default_face_done_p); | |
4939150c | 5344 | ASET (lface, LFACE_FONTSET_INDEX, fontset_name (FRAME_FONTSET (f))); |
a5f696ac | 5345 | f->default_face_done_p = 1; |
82641697 | 5346 | } |
c3cee013 | 5347 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 | 5348 | |
44747bd0 | 5349 | if (!FRAME_WINDOW_P (f)) |
82641697 | 5350 | { |
4939150c PE |
5351 | ASET (lface, LFACE_FAMILY_INDEX, build_string ("default")); |
5352 | ASET (lface, LFACE_FOUNDRY_INDEX, LFACE_FAMILY (lface)); | |
5353 | ASET (lface, LFACE_SWIDTH_INDEX, Qnormal); | |
5354 | ASET (lface, LFACE_HEIGHT_INDEX, make_number (1)); | |
c1e7532d | 5355 | if (UNSPECIFIEDP (LFACE_WEIGHT (lface))) |
4939150c | 5356 | ASET (lface, LFACE_WEIGHT_INDEX, Qnormal); |
c1e7532d | 5357 | if (UNSPECIFIEDP (LFACE_SLANT (lface))) |
4939150c | 5358 | ASET (lface, LFACE_SLANT_INDEX, Qnormal); |
70d6ecc6 | 5359 | if (UNSPECIFIEDP (LFACE_FONTSET (lface))) |
4939150c | 5360 | ASET (lface, LFACE_FONTSET_INDEX, Qnil); |
82641697 | 5361 | } |
178c5d9c | 5362 | |
82641697 | 5363 | if (UNSPECIFIEDP (LFACE_UNDERLINE (lface))) |
4939150c | 5364 | ASET (lface, LFACE_UNDERLINE_INDEX, Qnil); |
178c5d9c | 5365 | |
82641697 | 5366 | if (UNSPECIFIEDP (LFACE_OVERLINE (lface))) |
4939150c | 5367 | ASET (lface, LFACE_OVERLINE_INDEX, Qnil); |
178c5d9c | 5368 | |
82641697 | 5369 | if (UNSPECIFIEDP (LFACE_STRIKE_THROUGH (lface))) |
4939150c | 5370 | ASET (lface, LFACE_STRIKE_THROUGH_INDEX, Qnil); |
178c5d9c | 5371 | |
82641697 | 5372 | if (UNSPECIFIEDP (LFACE_BOX (lface))) |
4939150c | 5373 | ASET (lface, LFACE_BOX_INDEX, Qnil); |
178c5d9c | 5374 | |
82641697 | 5375 | if (UNSPECIFIEDP (LFACE_INVERSE (lface))) |
4939150c | 5376 | ASET (lface, LFACE_INVERSE_INDEX, Qnil); |
178c5d9c | 5377 | |
82641697 GM |
5378 | if (UNSPECIFIEDP (LFACE_FOREGROUND (lface))) |
5379 | { | |
5380 | /* This function is called so early that colors are not yet | |
5381 | set in the frame parameter list. */ | |
e69b0960 | 5382 | Lisp_Object color = Fassq (Qforeground_color, f->param_alist); |
178c5d9c | 5383 | |
82641697 | 5384 | if (CONSP (color) && STRINGP (XCDR (color))) |
4939150c | 5385 | ASET (lface, LFACE_FOREGROUND_INDEX, XCDR (color)); |
c3cee013 | 5386 | else if (FRAME_WINDOW_P (f)) |
82641697 | 5387 | return 0; |
3224dac1 | 5388 | else if (FRAME_INITIAL_P (f) || FRAME_TERMCAP_P (f) || FRAME_MSDOS_P (f)) |
4939150c | 5389 | ASET (lface, LFACE_FOREGROUND_INDEX, build_string (unspecified_fg)); |
f9d2fdc4 | 5390 | else |
1088b922 | 5391 | emacs_abort (); |
82641697 | 5392 | } |
178c5d9c | 5393 | |
82641697 GM |
5394 | if (UNSPECIFIEDP (LFACE_BACKGROUND (lface))) |
5395 | { | |
5396 | /* This function is called so early that colors are not yet | |
5397 | set in the frame parameter list. */ | |
e69b0960 | 5398 | Lisp_Object color = Fassq (Qbackground_color, f->param_alist); |
82641697 | 5399 | if (CONSP (color) && STRINGP (XCDR (color))) |
4939150c | 5400 | ASET (lface, LFACE_BACKGROUND_INDEX, XCDR (color)); |
c3cee013 | 5401 | else if (FRAME_WINDOW_P (f)) |
82641697 | 5402 | return 0; |
3224dac1 | 5403 | else if (FRAME_INITIAL_P (f) || FRAME_TERMCAP_P (f) || FRAME_MSDOS_P (f)) |
4939150c | 5404 | ASET (lface, LFACE_BACKGROUND_INDEX, build_string (unspecified_bg)); |
f9d2fdc4 | 5405 | else |
1088b922 | 5406 | emacs_abort (); |
82641697 | 5407 | } |
178c5d9c | 5408 | |
82641697 | 5409 | if (UNSPECIFIEDP (LFACE_STIPPLE (lface))) |
4939150c | 5410 | ASET (lface, LFACE_STIPPLE_INDEX, Qnil); |
82641697 GM |
5411 | |
5412 | /* Realize the face; it must be fully-specified now. */ | |
a54e2c05 | 5413 | eassert (lface_fully_specified_p (XVECTOR (lface)->contents)); |
82641697 | 5414 | check_lface (lface); |
72af86bd | 5415 | memcpy (attrs, XVECTOR (lface)->contents, sizeof attrs); |
af53b43c | 5416 | face = realize_face (c, attrs, DEFAULT_FACE_ID); |
4da9c136 KH |
5417 | |
5418 | #ifdef HAVE_WINDOW_SYSTEM | |
41a9b76e | 5419 | #ifdef HAVE_X_WINDOWS |
361c0d6e | 5420 | if (FRAME_X_P (f) && face->font != FRAME_FONT (f)) |
73158a39 CY |
5421 | { |
5422 | /* This can happen when making a frame on a display that does | |
b5f03016 | 5423 | not support the default font. */ |
73158a39 | 5424 | if (!face->font) |
b5f03016 | 5425 | return 0; |
d5ab09cd | 5426 | |
73158a39 | 5427 | /* Otherwise, the font specified for the frame was not |
b5f03016 AS |
5428 | acceptable as a font for the default face (perhaps because |
5429 | auto-scaled fonts are rejected), so we must adjust the frame | |
5430 | font. */ | |
2dee4c0b | 5431 | x_set_font (f, LFACE_FONT (lface), Qnil); |
73158a39 | 5432 | } |
4da9c136 KH |
5433 | #endif /* HAVE_X_WINDOWS */ |
5434 | #endif /* HAVE_WINDOW_SYSTEM */ | |
82641697 GM |
5435 | return 1; |
5436 | } | |
5437 | ||
5438 | ||
5439 | /* Realize basic faces other than the default face in face cache C. | |
5440 | SYMBOL is the face name, ID is the face id the realized face must | |
5441 | have. The default face must have been realized already. */ | |
5442 | ||
5443 | static void | |
971de7fb | 5444 | realize_named_face (struct frame *f, Lisp_Object symbol, int id) |
82641697 | 5445 | { |
e7d7fd8c | 5446 | struct face_cache *c = FRAME_FACE_CACHE (f); |
82641697 GM |
5447 | Lisp_Object lface = lface_from_face_name (f, symbol, 0); |
5448 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
e7d7fd8c | 5449 | Lisp_Object symbol_attrs[LFACE_VECTOR_SIZE]; |
82641697 GM |
5450 | |
5451 | /* The default face must exist and be fully specified. */ | |
f2cec7a9 | 5452 | get_lface_attributes_no_remap (f, Qdefault, attrs, 1); |
82641697 | 5453 | check_lface_attrs (attrs); |
a54e2c05 | 5454 | eassert (lface_fully_specified_p (attrs)); |
82641697 | 5455 | |
e7d7fd8c | 5456 | /* If SYMBOL isn't know as a face, create it. */ |
82641697 GM |
5457 | if (NILP (lface)) |
5458 | { | |
5459 | Lisp_Object frame; | |
5460 | XSETFRAME (frame, f); | |
5461 | lface = Finternal_make_lisp_face (symbol, frame); | |
5462 | } | |
5463 | ||
5464 | /* Merge SYMBOL's face with the default face. */ | |
f2cec7a9 | 5465 | get_lface_attributes_no_remap (f, symbol, symbol_attrs, 1); |
e7d7fd8c MB |
5466 | merge_face_vectors (f, symbol_attrs, attrs, 0); |
5467 | ||
5468 | /* Realize the face. */ | |
a5a62657 | 5469 | realize_face (c, attrs, id); |
82641697 GM |
5470 | } |
5471 | ||
5472 | ||
5473 | /* Realize the fully-specified face with attributes ATTRS in face | |
af53b43c KH |
5474 | cache CACHE for ASCII characters. If FORMER_FACE_ID is |
5475 | non-negative, it is an ID of face to remove before caching the new | |
5476 | face. Value is a pointer to the newly created realized face. */ | |
82641697 GM |
5477 | |
5478 | static struct face * | |
4973679b PE |
5479 | realize_face (struct face_cache *cache, Lisp_Object attrs[LFACE_VECTOR_SIZE], |
5480 | int former_face_id) | |
82641697 GM |
5481 | { |
5482 | struct face *face; | |
178c5d9c | 5483 | |
82641697 | 5484 | /* LFACE must be fully specified. */ |
a54e2c05 | 5485 | eassert (cache != NULL); |
82641697 GM |
5486 | check_lface_attrs (attrs); |
5487 | ||
39506348 KH |
5488 | if (former_face_id >= 0 && cache->used > former_face_id) |
5489 | { | |
5490 | /* Remove the former face. */ | |
5491 | struct face *former_face = cache->faces_by_id[former_face_id]; | |
5492 | uncache_face (cache, former_face); | |
5493 | free_realized_face (cache->f, former_face); | |
7c33a057 | 5494 | SET_FRAME_GARBAGED (cache->f); |
39506348 KH |
5495 | } |
5496 | ||
5497 | if (FRAME_WINDOW_P (cache->f)) | |
af53b43c | 5498 | face = realize_x_face (cache, attrs); |
e689ec06 | 5499 | else if (FRAME_TERMCAP_P (cache->f) || FRAME_MSDOS_P (cache->f)) |
af53b43c | 5500 | face = realize_tty_face (cache, attrs); |
d448e982 KL |
5501 | else if (FRAME_INITIAL_P (cache->f)) |
5502 | { | |
5503 | /* Create a dummy face. */ | |
5504 | face = make_realized_face (attrs); | |
5505 | } | |
82641697 | 5506 | else |
1088b922 | 5507 | emacs_abort (); |
82641697 | 5508 | |
39506348 KH |
5509 | /* Insert the new face. */ |
5510 | cache_face (cache, face, lface_hash (attrs)); | |
af53b43c KH |
5511 | return face; |
5512 | } | |
5513 | ||
5514 | ||
8c6204de | 5515 | #ifdef HAVE_WINDOW_SYSTEM |
2dee4c0b KH |
5516 | /* Realize the fully-specified face that uses FONT-OBJECT and has the |
5517 | same attributes as BASE_FACE except for the font on frame F. | |
5518 | FONT-OBJECT may be nil, in which case, realized a face of | |
5519 | no-font. */ | |
af53b43c KH |
5520 | |
5521 | static struct face * | |
b5f03016 AS |
5522 | realize_non_ascii_face (struct frame *f, Lisp_Object font_object, |
5523 | struct face *base_face) | |
af53b43c KH |
5524 | { |
5525 | struct face_cache *cache = FRAME_FACE_CACHE (f); | |
8f924df7 | 5526 | struct face *face; |
af53b43c | 5527 | |
23f86fce | 5528 | face = xmalloc (sizeof *face); |
af53b43c KH |
5529 | *face = *base_face; |
5530 | face->gc = 0; | |
bdd10de6 | 5531 | face->extra = NULL; |
2dee4c0b KH |
5532 | face->overstrike |
5533 | = (! NILP (font_object) | |
5534 | && FONT_WEIGHT_NAME_NUMERIC (face->lface[LFACE_WEIGHT_INDEX]) > 100 | |
5535 | && FONT_WEIGHT_NUMERIC (font_object) <= 100); | |
af53b43c KH |
5536 | |
5537 | /* Don't try to free the colors copied bitwise from BASE_FACE. */ | |
5538 | face->colors_copied_bitwise_p = 1; | |
2dee4c0b | 5539 | face->font = NILP (font_object) ? NULL : XFONT_OBJECT (font_object); |
af53b43c KH |
5540 | face->gc = 0; |
5541 | ||
5542 | cache_face (cache, face, face->hash); | |
5543 | ||
82641697 GM |
5544 | return face; |
5545 | } | |
8c6204de | 5546 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
5547 | |
5548 | ||
5549 | /* Realize the fully-specified face with attributes ATTRS in face | |
af53b43c KH |
5550 | cache CACHE for ASCII characters. Do it for X frame CACHE->f. If |
5551 | the new face doesn't share font with the default face, a fontname | |
5552 | is allocated from the heap and set in `font_name' of the new face, | |
5553 | but it is not yet loaded here. Value is a pointer to the newly | |
5554 | created realized face. */ | |
82641697 GM |
5555 | |
5556 | static struct face * | |
4973679b | 5557 | realize_x_face (struct face_cache *cache, Lisp_Object attrs[LFACE_VECTOR_SIZE]) |
82641697 | 5558 | { |
7d603e3f | 5559 | struct face *face = NULL; |
c3cee013 | 5560 | #ifdef HAVE_WINDOW_SYSTEM |
7d603e3f | 5561 | struct face *default_face; |
78d2079c | 5562 | struct frame *f; |
9b0e3eba | 5563 | Lisp_Object stipple, underline, overline, strike_through, box; |
82641697 | 5564 | |
a54e2c05 | 5565 | eassert (FRAME_WINDOW_P (cache->f)); |
82641697 GM |
5566 | |
5567 | /* Allocate a new realized face. */ | |
39506348 | 5568 | face = make_realized_face (attrs); |
af53b43c | 5569 | face->ascii_face = face; |
39506348 KH |
5570 | |
5571 | f = cache->f; | |
5572 | ||
82641697 GM |
5573 | /* Determine the font to use. Most of the time, the font will be |
5574 | the same as the font of the default face, so try that first. */ | |
5575 | default_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
5576 | if (default_face | |
82641697 GM |
5577 | && lface_same_font_attributes_p (default_face->lface, attrs)) |
5578 | { | |
5579 | face->font = default_face->font; | |
76f54ecc KH |
5580 | face->fontset |
5581 | = make_fontset_for_ascii_face (f, default_face->fontset, face); | |
82641697 GM |
5582 | } |
5583 | else | |
5584 | { | |
39506348 | 5585 | /* If the face attribute ATTRS specifies a fontset, use it as |
fc8c4797 KH |
5586 | the base of a new realized fontset. Otherwise, use the same |
5587 | base fontset as of the default face. The base determines | |
5588 | registry and encoding of a font. It may also determine | |
5589 | foundry and family. The other fields of font name pattern | |
5590 | are constructed from ATTRS. */ | |
5591 | int fontset = face_fontset (attrs); | |
5592 | ||
af53b43c KH |
5593 | /* If we are realizing the default face, ATTRS should specify a |
5594 | fontset. In other words, if FONTSET is -1, we are not | |
5595 | realizing the default face, thus the default face should have | |
5596 | already been realized. */ | |
5597 | if (fontset == -1) | |
d78494f9 CY |
5598 | { |
5599 | if (default_face) | |
5600 | fontset = default_face->fontset; | |
5601 | if (fontset == -1) | |
1088b922 | 5602 | emacs_abort (); |
d78494f9 | 5603 | } |
2dee4c0b KH |
5604 | if (! FONT_OBJECT_P (attrs[LFACE_FONT_INDEX])) |
5605 | attrs[LFACE_FONT_INDEX] | |
5606 | = font_load_for_lface (f, attrs, attrs[LFACE_FONT_INDEX]); | |
5607 | if (FONT_OBJECT_P (attrs[LFACE_FONT_INDEX])) | |
5608 | { | |
5609 | face->font = XFONT_OBJECT (attrs[LFACE_FONT_INDEX]); | |
5610 | face->fontset = make_fontset_for_ascii_face (f, fontset, face); | |
5611 | } | |
426b2119 | 5612 | else |
2dee4c0b KH |
5613 | { |
5614 | face->font = NULL; | |
5615 | face->fontset = -1; | |
5616 | } | |
82641697 GM |
5617 | } |
5618 | ||
2dee4c0b KH |
5619 | if (face->font |
5620 | && FONT_WEIGHT_NAME_NUMERIC (attrs[LFACE_WEIGHT_INDEX]) > 100 | |
5621 | && FONT_WEIGHT_NUMERIC (attrs[LFACE_FONT_INDEX]) <= 100) | |
5622 | face->overstrike = 1; | |
5623 | ||
82641697 | 5624 | /* Load colors, and set remaining attributes. */ |
178c5d9c | 5625 | |
82641697 | 5626 | load_face_colors (f, face, attrs); |
660ed669 | 5627 | |
82641697 GM |
5628 | /* Set up box. */ |
5629 | box = attrs[LFACE_BOX_INDEX]; | |
5630 | if (STRINGP (box)) | |
cb637678 | 5631 | { |
82641697 GM |
5632 | /* A simple box of line width 1 drawn in color given by |
5633 | the string. */ | |
5634 | face->box_color = load_color (f, face, attrs[LFACE_BOX_INDEX], | |
5635 | LFACE_BOX_INDEX); | |
5636 | face->box = FACE_SIMPLE_BOX; | |
5637 | face->box_line_width = 1; | |
cb637678 | 5638 | } |
82641697 | 5639 | else if (INTEGERP (box)) |
42120bc7 | 5640 | { |
82641697 | 5641 | /* Simple box of specified line width in foreground color of the |
b5f03016 | 5642 | face. */ |
a54e2c05 | 5643 | eassert (XINT (box) != 0); |
82641697 | 5644 | face->box = FACE_SIMPLE_BOX; |
89624b8b | 5645 | face->box_line_width = XINT (box); |
82641697 GM |
5646 | face->box_color = face->foreground; |
5647 | face->box_color_defaulted_p = 1; | |
5648 | } | |
5649 | else if (CONSP (box)) | |
5650 | { | |
5651 | /* `(:width WIDTH :color COLOR :shadow SHADOW)'. SHADOW | |
5652 | being one of `raised' or `sunken'. */ | |
5653 | face->box = FACE_SIMPLE_BOX; | |
5654 | face->box_color = face->foreground; | |
5655 | face->box_color_defaulted_p = 1; | |
5656 | face->box_line_width = 1; | |
5657 | ||
5658 | while (CONSP (box)) | |
42120bc7 | 5659 | { |
82641697 GM |
5660 | Lisp_Object keyword, value; |
5661 | ||
5662 | keyword = XCAR (box); | |
5663 | box = XCDR (box); | |
5664 | ||
5665 | if (!CONSP (box)) | |
5666 | break; | |
5667 | value = XCAR (box); | |
5668 | box = XCDR (box); | |
5669 | ||
5670 | if (EQ (keyword, QCline_width)) | |
5671 | { | |
89624b8b KH |
5672 | if (INTEGERP (value) && XINT (value) != 0) |
5673 | face->box_line_width = XINT (value); | |
82641697 GM |
5674 | } |
5675 | else if (EQ (keyword, QCcolor)) | |
5676 | { | |
5677 | if (STRINGP (value)) | |
5678 | { | |
5679 | face->box_color = load_color (f, face, value, | |
5680 | LFACE_BOX_INDEX); | |
5681 | face->use_box_color_for_shadows_p = 1; | |
5682 | } | |
5683 | } | |
5684 | else if (EQ (keyword, QCstyle)) | |
a8517066 | 5685 | { |
82641697 GM |
5686 | if (EQ (value, Qreleased_button)) |
5687 | face->box = FACE_RAISED_BOX; | |
5688 | else if (EQ (value, Qpressed_button)) | |
5689 | face->box = FACE_SUNKEN_BOX; | |
a8517066 | 5690 | } |
42120bc7 RS |
5691 | } |
5692 | } | |
195f798e | 5693 | |
82641697 | 5694 | /* Text underline, overline, strike-through. */ |
178c5d9c | 5695 | |
9b0e3eba AA |
5696 | underline = attrs[LFACE_UNDERLINE_INDEX]; |
5697 | if (EQ (underline, Qt)) | |
178c5d9c | 5698 | { |
82641697 GM |
5699 | /* Use default color (same as foreground color). */ |
5700 | face->underline_p = 1; | |
9b0e3eba | 5701 | face->underline_type = FACE_UNDER_LINE; |
82641697 GM |
5702 | face->underline_defaulted_p = 1; |
5703 | face->underline_color = 0; | |
5704 | } | |
9b0e3eba | 5705 | else if (STRINGP (underline)) |
195f798e | 5706 | { |
82641697 GM |
5707 | /* Use specified color. */ |
5708 | face->underline_p = 1; | |
9b0e3eba | 5709 | face->underline_type = FACE_UNDER_LINE; |
82641697 GM |
5710 | face->underline_defaulted_p = 0; |
5711 | face->underline_color | |
9b0e3eba | 5712 | = load_color (f, face, underline, |
82641697 | 5713 | LFACE_UNDERLINE_INDEX); |
195f798e | 5714 | } |
9b0e3eba | 5715 | else if (NILP (underline)) |
7b00de84 | 5716 | { |
82641697 GM |
5717 | face->underline_p = 0; |
5718 | face->underline_defaulted_p = 0; | |
5719 | face->underline_color = 0; | |
7b00de84 | 5720 | } |
9b0e3eba AA |
5721 | else if (CONSP (underline)) |
5722 | { | |
38182d90 | 5723 | /* `(:color COLOR :style STYLE)'. |
9b0e3eba AA |
5724 | STYLE being one of `line' or `wave'. */ |
5725 | face->underline_p = 1; | |
5726 | face->underline_color = 0; | |
5727 | face->underline_defaulted_p = 1; | |
5728 | face->underline_type = FACE_UNDER_LINE; | |
5729 | ||
5730 | while (CONSP (underline)) | |
5731 | { | |
5732 | Lisp_Object keyword, value; | |
5733 | ||
5734 | keyword = XCAR (underline); | |
5735 | underline = XCDR (underline); | |
5736 | ||
5737 | if (!CONSP (underline)) | |
5738 | break; | |
5739 | value = XCAR (underline); | |
5740 | underline = XCDR (underline); | |
5741 | ||
5742 | if (EQ (keyword, QCcolor)) | |
5743 | { | |
5744 | if (EQ (value, Qforeground_color)) | |
5745 | { | |
5746 | face->underline_defaulted_p = 1; | |
5747 | face->underline_color = 0; | |
5748 | } | |
5749 | else if (STRINGP (value)) | |
5750 | { | |
5751 | face->underline_defaulted_p = 0; | |
5752 | face->underline_color = load_color (f, face, value, | |
5753 | LFACE_UNDERLINE_INDEX); | |
5754 | } | |
5755 | } | |
5756 | else if (EQ (keyword, QCstyle)) | |
5757 | { | |
5758 | if (EQ (value, Qline)) | |
5759 | face->underline_type = FACE_UNDER_LINE; | |
5760 | else if (EQ (value, Qwave)) | |
5761 | face->underline_type = FACE_UNDER_WAVE; | |
5762 | } | |
5763 | } | |
5764 | } | |
38182d90 | 5765 | |
82641697 GM |
5766 | overline = attrs[LFACE_OVERLINE_INDEX]; |
5767 | if (STRINGP (overline)) | |
cb637678 | 5768 | { |
82641697 GM |
5769 | face->overline_color |
5770 | = load_color (f, face, attrs[LFACE_OVERLINE_INDEX], | |
5771 | LFACE_OVERLINE_INDEX); | |
5772 | face->overline_p = 1; | |
cb637678 | 5773 | } |
82641697 | 5774 | else if (EQ (overline, Qt)) |
cb637678 | 5775 | { |
82641697 GM |
5776 | face->overline_color = face->foreground; |
5777 | face->overline_color_defaulted_p = 1; | |
5778 | face->overline_p = 1; | |
cb637678 JB |
5779 | } |
5780 | ||
82641697 GM |
5781 | strike_through = attrs[LFACE_STRIKE_THROUGH_INDEX]; |
5782 | if (STRINGP (strike_through)) | |
5783 | { | |
5784 | face->strike_through_color | |
5785 | = load_color (f, face, attrs[LFACE_STRIKE_THROUGH_INDEX], | |
5786 | LFACE_STRIKE_THROUGH_INDEX); | |
5787 | face->strike_through_p = 1; | |
5788 | } | |
5789 | else if (EQ (strike_through, Qt)) | |
5790 | { | |
5791 | face->strike_through_color = face->foreground; | |
5792 | face->strike_through_color_defaulted_p = 1; | |
5793 | face->strike_through_p = 1; | |
5794 | } | |
867dd159 | 5795 | |
82641697 GM |
5796 | stipple = attrs[LFACE_STIPPLE_INDEX]; |
5797 | if (!NILP (stipple)) | |
5798 | face->stipple = load_pixmap (f, stipple, &face->pixmap_w, &face->pixmap_h); | |
c3cee013 | 5799 | #endif /* HAVE_WINDOW_SYSTEM */ |
660ed669 | 5800 | |
82641697 | 5801 | return face; |
660ed669 JB |
5802 | } |
5803 | ||
729425b1 | 5804 | |
ae4b4ba5 GM |
5805 | /* Map a specified color of face FACE on frame F to a tty color index. |
5806 | IDX is either LFACE_FOREGROUND_INDEX or LFACE_BACKGROUND_INDEX, and | |
5807 | specifies which color to map. Set *DEFAULTED to 1 if mapping to the | |
5808 | default foreground/background colors. */ | |
5809 | ||
5810 | static void | |
b5f03016 AS |
5811 | map_tty_color (struct frame *f, struct face *face, |
5812 | enum lface_attribute_index idx, int *defaulted) | |
ae4b4ba5 GM |
5813 | { |
5814 | Lisp_Object frame, color, def; | |
5815 | int foreground_p = idx == LFACE_FOREGROUND_INDEX; | |
a5a62657 PE |
5816 | unsigned long default_pixel = |
5817 | foreground_p ? FACE_TTY_DEFAULT_FG_COLOR : FACE_TTY_DEFAULT_BG_COLOR; | |
5818 | unsigned long pixel = default_pixel; | |
5819 | #ifdef MSDOS | |
5820 | unsigned long default_other_pixel = | |
5821 | foreground_p ? FACE_TTY_DEFAULT_BG_COLOR : FACE_TTY_DEFAULT_FG_COLOR; | |
5822 | #endif | |
ae4b4ba5 | 5823 | |
a54e2c05 | 5824 | eassert (idx == LFACE_FOREGROUND_INDEX || idx == LFACE_BACKGROUND_INDEX); |
ae4b4ba5 | 5825 | |
ae4b4ba5 GM |
5826 | XSETFRAME (frame, f); |
5827 | color = face->lface[idx]; | |
177c0ea7 | 5828 | |
ae4b4ba5 | 5829 | if (STRINGP (color) |
d5db4077 | 5830 | && SCHARS (color) |
ae4b4ba5 GM |
5831 | && CONSP (Vtty_defined_color_alist) |
5832 | && (def = assq_no_quit (color, call1 (Qtty_color_alist, frame)), | |
5833 | CONSP (def))) | |
5834 | { | |
5835 | /* Associations in tty-defined-color-alist are of the form | |
5836 | (NAME INDEX R G B). We need the INDEX part. */ | |
5837 | pixel = XINT (XCAR (XCDR (def))); | |
5838 | } | |
5839 | ||
5840 | if (pixel == default_pixel && STRINGP (color)) | |
5841 | { | |
5842 | pixel = load_color (f, face, color, idx); | |
5843 | ||
8d05ec51 | 5844 | #ifdef MSDOS |
ae4b4ba5 GM |
5845 | /* If the foreground of the default face is the default color, |
5846 | use the foreground color defined by the frame. */ | |
ae4b4ba5 GM |
5847 | if (FRAME_MSDOS_P (f)) |
5848 | { | |
ae4b4ba5 GM |
5849 | if (pixel == default_pixel |
5850 | || pixel == FACE_TTY_DEFAULT_COLOR) | |
5851 | { | |
5852 | if (foreground_p) | |
5853 | pixel = FRAME_FOREGROUND_PIXEL (f); | |
5854 | else | |
5855 | pixel = FRAME_BACKGROUND_PIXEL (f); | |
5856 | face->lface[idx] = tty_color_name (f, pixel); | |
5857 | *defaulted = 1; | |
5858 | } | |
5859 | else if (pixel == default_other_pixel) | |
5860 | { | |
5861 | if (foreground_p) | |
5862 | pixel = FRAME_BACKGROUND_PIXEL (f); | |
5863 | else | |
5864 | pixel = FRAME_FOREGROUND_PIXEL (f); | |
5865 | face->lface[idx] = tty_color_name (f, pixel); | |
5866 | *defaulted = 1; | |
5867 | } | |
b5f03016 | 5868 | } |
8d05ec51 | 5869 | #endif /* MSDOS */ |
ae4b4ba5 GM |
5870 | } |
5871 | ||
5872 | if (foreground_p) | |
5873 | face->foreground = pixel; | |
5874 | else | |
5875 | face->background = pixel; | |
5876 | } | |
5877 | ||
5878 | ||
82641697 | 5879 | /* Realize the fully-specified face with attributes ATTRS in face |
af53b43c KH |
5880 | cache CACHE for ASCII characters. Do it for TTY frame CACHE->f. |
5881 | Value is a pointer to the newly created realized face. */ | |
a8517066 | 5882 | |
82641697 | 5883 | static struct face * |
4973679b PE |
5884 | realize_tty_face (struct face_cache *cache, |
5885 | Lisp_Object attrs[LFACE_VECTOR_SIZE]) | |
82641697 GM |
5886 | { |
5887 | struct face *face; | |
5888 | int weight, slant; | |
2d764c78 | 5889 | int face_colors_defaulted = 0; |
ae4b4ba5 | 5890 | struct frame *f = cache->f; |
729425b1 | 5891 | |
82641697 | 5892 | /* Frame must be a termcap frame. */ |
a54e2c05 | 5893 | eassert (FRAME_TERMCAP_P (cache->f) || FRAME_MSDOS_P (cache->f)); |
178c5d9c | 5894 | |
82641697 | 5895 | /* Allocate a new realized face. */ |
39506348 | 5896 | face = make_realized_face (attrs); |
2dee4c0b | 5897 | #if 0 |
e689ec06 | 5898 | face->font_name = FRAME_MSDOS_P (cache->f) ? "ms-dos" : "tty"; |
2dee4c0b | 5899 | #endif |
82641697 | 5900 | |
cd4eb164 | 5901 | /* Map face attributes to TTY appearances. */ |
2dee4c0b KH |
5902 | weight = FONT_WEIGHT_NAME_NUMERIC (attrs[LFACE_WEIGHT_INDEX]); |
5903 | slant = FONT_SLANT_NAME_NUMERIC (attrs[LFACE_SLANT_INDEX]); | |
5904 | if (weight > 100) | |
82641697 | 5905 | face->tty_bold_p = 1; |
cd4eb164 CY |
5906 | if (slant != 100) |
5907 | face->tty_italic_p = 1; | |
82641697 GM |
5908 | if (!NILP (attrs[LFACE_UNDERLINE_INDEX])) |
5909 | face->tty_underline_p = 1; | |
5910 | if (!NILP (attrs[LFACE_INVERSE_INDEX])) | |
5911 | face->tty_reverse_p = 1; | |
5912 | ||
5913 | /* Map color names to color indices. */ | |
ae4b4ba5 GM |
5914 | map_tty_color (f, face, LFACE_FOREGROUND_INDEX, &face_colors_defaulted); |
5915 | map_tty_color (f, face, LFACE_BACKGROUND_INDEX, &face_colors_defaulted); | |
177c0ea7 | 5916 | |
2d764c78 EZ |
5917 | /* Swap colors if face is inverse-video. If the colors are taken |
5918 | from the frame colors, they are already inverted, since the | |
5919 | frame-creation function calls x-handle-reverse-video. */ | |
5920 | if (face->tty_reverse_p && !face_colors_defaulted) | |
44747bd0 EZ |
5921 | { |
5922 | unsigned long tem = face->foreground; | |
44747bd0 EZ |
5923 | face->foreground = face->background; |
5924 | face->background = tem; | |
5925 | } | |
44747bd0 | 5926 | |
a4a76b61 GM |
5927 | if (tty_suppress_bold_inverse_default_colors_p |
5928 | && face->tty_bold_p | |
5929 | && face->background == FACE_TTY_DEFAULT_FG_COLOR | |
5930 | && face->foreground == FACE_TTY_DEFAULT_BG_COLOR) | |
5931 | face->tty_bold_p = 0; | |
5932 | ||
82641697 | 5933 | return face; |
729425b1 | 5934 | } |
867dd159 | 5935 | |
82641697 | 5936 | |
a4a76b61 GM |
5937 | DEFUN ("tty-suppress-bold-inverse-default-colors", |
5938 | Ftty_suppress_bold_inverse_default_colors, | |
5939 | Stty_suppress_bold_inverse_default_colors, 1, 1, 0, | |
e3cd9e7f | 5940 | doc: /* Suppress/allow boldness of faces with inverse default colors. |
228299fa GM |
5941 | SUPPRESS non-nil means suppress it. |
5942 | This affects bold faces on TTYs whose foreground is the default background | |
5943 | color of the display and whose background is the default foreground color. | |
5944 | For such faces, the bold face attribute is ignored if this variable | |
7ee72033 | 5945 | is non-nil. */) |
5842a27b | 5946 | (Lisp_Object suppress) |
a4a76b61 GM |
5947 | { |
5948 | tty_suppress_bold_inverse_default_colors_p = !NILP (suppress); | |
5949 | ++face_change_count; | |
5950 | return suppress; | |
5951 | } | |
5952 | ||
5953 | ||
82641697 GM |
5954 | \f |
5955 | /*********************************************************************** | |
5956 | Computing Faces | |
5957 | ***********************************************************************/ | |
5958 | ||
5959 | /* Return the ID of the face to use to display character CH with face | |
5960 | property PROP on frame F in current_buffer. */ | |
2e16580f RS |
5961 | |
5962 | int | |
971de7fb | 5963 | compute_char_face (struct frame *f, int ch, Lisp_Object prop) |
2e16580f | 5964 | { |
82641697 | 5965 | int face_id; |
39506348 | 5966 | |
4b4deea2 | 5967 | if (NILP (BVAR (current_buffer, enable_multibyte_characters))) |
522d42f7 | 5968 | ch = 0; |
178c5d9c | 5969 | |
82641697 | 5970 | if (NILP (prop)) |
39506348 KH |
5971 | { |
5972 | struct face *face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
779c6fb6 | 5973 | face_id = FACE_FOR_CHAR (f, face, ch, -1, Qnil); |
39506348 | 5974 | } |
82641697 | 5975 | else |
2e16580f | 5976 | { |
82641697 GM |
5977 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
5978 | struct face *default_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
72af86bd | 5979 | memcpy (attrs, default_face->lface, sizeof attrs); |
a0a23346 | 5980 | merge_face_ref (f, prop, attrs, 1, 0); |
af53b43c | 5981 | face_id = lookup_face (f, attrs); |
2e16580f RS |
5982 | } |
5983 | ||
82641697 | 5984 | return face_id; |
2e16580f | 5985 | } |
bc0db68d | 5986 | |
82641697 GM |
5987 | /* Return the face ID associated with buffer position POS for |
5988 | displaying ASCII characters. Return in *ENDPTR the position at | |
5989 | which a different face is needed, as far as text properties and | |
5990 | overlays are concerned. W is a window displaying current_buffer. | |
5991 | ||
5992 | REGION_BEG, REGION_END delimit the region, so it can be | |
5993 | highlighted. | |
6f134486 | 5994 | |
82641697 GM |
5995 | LIMIT is a position not to scan beyond. That is to limit the time |
5996 | this function can take. | |
5997 | ||
5998 | If MOUSE is non-zero, use the character's mouse-face, not its face. | |
5999 | ||
6970f632 CY |
6000 | BASE_FACE_ID, if non-negative, specifies a base face id to use |
6001 | instead of DEFAULT_FACE_ID. | |
6002 | ||
39506348 | 6003 | The face returned is suitable for displaying ASCII characters. */ |
bc0db68d | 6004 | |
cb637678 | 6005 | int |
d311d28c PE |
6006 | face_at_buffer_position (struct window *w, ptrdiff_t pos, |
6007 | ptrdiff_t region_beg, ptrdiff_t region_end, | |
6008 | ptrdiff_t *endptr, ptrdiff_t limit, | |
d5a3eaaf | 6009 | int mouse, int base_face_id) |
7b7739b1 | 6010 | { |
d3d50620 | 6011 | struct frame *f = XFRAME (w->frame); |
82641697 | 6012 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
b6d40e46 | 6013 | Lisp_Object prop, position; |
b081724f | 6014 | ptrdiff_t i, noverlays; |
7b7739b1 | 6015 | Lisp_Object *overlay_vec; |
d311d28c | 6016 | ptrdiff_t endpos; |
82641697 GM |
6017 | Lisp_Object propname = mouse ? Qmouse_face : Qface; |
6018 | Lisp_Object limit1, end; | |
6019 | struct face *default_face; | |
f6b98e0b JB |
6020 | |
6021 | /* W must display the current buffer. We could write this function | |
6022 | to use the frame and buffer of W, but right now it doesn't. */ | |
a54e2c05 | 6023 | /* eassert (XBUFFER (w->buffer) == current_buffer); */ |
f211082d | 6024 | |
82641697 | 6025 | XSETFASTINT (position, pos); |
7b7739b1 | 6026 | |
f6b98e0b | 6027 | endpos = ZV; |
bc0db68d RS |
6028 | if (pos < region_beg && region_beg < endpos) |
6029 | endpos = region_beg; | |
f6b98e0b | 6030 | |
82641697 GM |
6031 | /* Get the `face' or `mouse_face' text property at POS, and |
6032 | determine the next position at which the property changes. */ | |
d3d50620 | 6033 | prop = Fget_text_property (position, propname, w->buffer); |
82641697 | 6034 | XSETFASTINT (limit1, (limit < endpos ? limit : endpos)); |
d3d50620 | 6035 | end = Fnext_single_property_change (position, propname, w->buffer, limit1); |
82641697 GM |
6036 | if (INTEGERP (end)) |
6037 | endpos = XINT (end); | |
6f134486 | 6038 | |
82641697 | 6039 | /* Look at properties from overlays. */ |
b6d40e46 | 6040 | { |
d311d28c | 6041 | ptrdiff_t next_overlay; |
b6d40e46 | 6042 | |
0bc90bba | 6043 | GET_OVERLAYS_AT (pos, overlay_vec, noverlays, &next_overlay, 0); |
f6b98e0b JB |
6044 | if (next_overlay < endpos) |
6045 | endpos = next_overlay; | |
b6d40e46 JB |
6046 | } |
6047 | ||
6048 | *endptr = endpos; | |
7b7739b1 | 6049 | |
823564e5 EZ |
6050 | { |
6051 | int face_id; | |
6052 | ||
6053 | if (base_face_id >= 0) | |
6054 | face_id = base_face_id; | |
6055 | else if (NILP (Vface_remapping_alist)) | |
6056 | face_id = DEFAULT_FACE_ID; | |
6057 | else | |
6058 | face_id = lookup_basic_face (f, DEFAULT_FACE_ID); | |
6059 | ||
6060 | default_face = FACE_FROM_ID (f, face_id); | |
6061 | } | |
178c5d9c | 6062 | |
82641697 GM |
6063 | /* Optimize common cases where we can use the default face. */ |
6064 | if (noverlays == 0 | |
6065 | && NILP (prop) | |
39506348 | 6066 | && !(pos >= region_beg && pos < region_end)) |
f2cec7a9 | 6067 | return default_face->id; |
82641697 GM |
6068 | |
6069 | /* Begin with attributes from the default face. */ | |
72af86bd | 6070 | memcpy (attrs, default_face->lface, sizeof attrs); |
82641697 GM |
6071 | |
6072 | /* Merge in attributes specified via text properties. */ | |
6073 | if (!NILP (prop)) | |
a0a23346 | 6074 | merge_face_ref (f, prop, attrs, 1, 0); |
82641697 GM |
6075 | |
6076 | /* Now merge the overlay data. */ | |
18195655 | 6077 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
18195655 | 6078 | for (i = 0; i < noverlays; i++) |
4699e6d2 | 6079 | { |
18195655 | 6080 | Lisp_Object oend; |
56adbe62 | 6081 | ptrdiff_t oendpos; |
18195655 RS |
6082 | |
6083 | prop = Foverlay_get (overlay_vec[i], propname); | |
82641697 | 6084 | if (!NILP (prop)) |
a0a23346 | 6085 | merge_face_ref (f, prop, attrs, 1, 0); |
18195655 RS |
6086 | |
6087 | oend = OVERLAY_END (overlay_vec[i]); | |
6088 | oendpos = OVERLAY_POSITION (oend); | |
6089 | if (oendpos < endpos) | |
6090 | endpos = oendpos; | |
6091 | } | |
6092 | ||
82641697 | 6093 | /* If in the region, merge in the region face. */ |
18195655 RS |
6094 | if (pos >= region_beg && pos < region_end) |
6095 | { | |
a0a23346 | 6096 | merge_named_face (f, Qregion, attrs, 0); |
178c5d9c | 6097 | |
18195655 RS |
6098 | if (region_end < endpos) |
6099 | endpos = region_end; | |
18195655 RS |
6100 | } |
6101 | ||
6102 | *endptr = endpos; | |
6103 | ||
82641697 | 6104 | /* Look up a realized face with the given face attributes, |
39506348 | 6105 | or realize a new one for ASCII characters. */ |
af53b43c | 6106 | return lookup_face (f, attrs); |
18195655 RS |
6107 | } |
6108 | ||
a193ecf1 RS |
6109 | /* Return the face ID at buffer position POS for displaying ASCII |
6110 | characters associated with overlay strings for overlay OVERLAY. | |
6111 | ||
6112 | Like face_at_buffer_position except for OVERLAY. Currently it | |
6113 | simply disregards the `face' properties of all overlays. */ | |
03e1d617 RS |
6114 | |
6115 | int | |
d311d28c PE |
6116 | face_for_overlay_string (struct window *w, ptrdiff_t pos, |
6117 | ptrdiff_t region_beg, ptrdiff_t region_end, | |
6118 | ptrdiff_t *endptr, ptrdiff_t limit, | |
d5a3eaaf | 6119 | int mouse, Lisp_Object overlay) |
03e1d617 | 6120 | { |
d3d50620 | 6121 | struct frame *f = XFRAME (w->frame); |
03e1d617 RS |
6122 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
6123 | Lisp_Object prop, position; | |
56adbe62 | 6124 | ptrdiff_t endpos; |
03e1d617 RS |
6125 | Lisp_Object propname = mouse ? Qmouse_face : Qface; |
6126 | Lisp_Object limit1, end; | |
6127 | struct face *default_face; | |
6128 | ||
6129 | /* W must display the current buffer. We could write this function | |
6130 | to use the frame and buffer of W, but right now it doesn't. */ | |
a54e2c05 | 6131 | /* eassert (XBUFFER (w->buffer) == current_buffer); */ |
03e1d617 | 6132 | |
03e1d617 RS |
6133 | XSETFASTINT (position, pos); |
6134 | ||
6135 | endpos = ZV; | |
6136 | if (pos < region_beg && region_beg < endpos) | |
6137 | endpos = region_beg; | |
6138 | ||
6139 | /* Get the `face' or `mouse_face' text property at POS, and | |
6140 | determine the next position at which the property changes. */ | |
d3d50620 | 6141 | prop = Fget_text_property (position, propname, w->buffer); |
03e1d617 | 6142 | XSETFASTINT (limit1, (limit < endpos ? limit : endpos)); |
d3d50620 | 6143 | end = Fnext_single_property_change (position, propname, w->buffer, limit1); |
03e1d617 RS |
6144 | if (INTEGERP (end)) |
6145 | endpos = XINT (end); | |
6146 | ||
6147 | *endptr = endpos; | |
6148 | ||
1682701f | 6149 | /* Optimize common case where we can use the default face. */ |
03e1d617 | 6150 | if (NILP (prop) |
1682701f CY |
6151 | && !(pos >= region_beg && pos < region_end) |
6152 | && NILP (Vface_remapping_alist)) | |
03e1d617 RS |
6153 | return DEFAULT_FACE_ID; |
6154 | ||
6155 | /* Begin with attributes from the default face. */ | |
1682701f | 6156 | default_face = FACE_FROM_ID (f, lookup_basic_face (f, DEFAULT_FACE_ID)); |
72af86bd | 6157 | memcpy (attrs, default_face->lface, sizeof attrs); |
03e1d617 RS |
6158 | |
6159 | /* Merge in attributes specified via text properties. */ | |
6160 | if (!NILP (prop)) | |
6161 | merge_face_ref (f, prop, attrs, 1, 0); | |
6162 | ||
6163 | /* If in the region, merge in the region face. */ | |
6164 | if (pos >= region_beg && pos < region_end) | |
6165 | { | |
6166 | merge_named_face (f, Qregion, attrs, 0); | |
6167 | ||
6168 | if (region_end < endpos) | |
6169 | endpos = region_end; | |
6170 | } | |
6171 | ||
6172 | *endptr = endpos; | |
6173 | ||
6174 | /* Look up a realized face with the given face attributes, | |
6175 | or realize a new one for ASCII characters. */ | |
ce9c2e7b | 6176 | return lookup_face (f, attrs); |
03e1d617 RS |
6177 | } |
6178 | ||
60573a90 | 6179 | |
82641697 | 6180 | /* Compute the face at character position POS in Lisp string STRING on |
39506348 | 6181 | window W, for ASCII characters. |
7b7739b1 | 6182 | |
82641697 GM |
6183 | If STRING is an overlay string, it comes from position BUFPOS in |
6184 | current_buffer, otherwise BUFPOS is zero to indicate that STRING is | |
6185 | not an overlay string. W must display the current buffer. | |
6186 | REGION_BEG and REGION_END give the start and end positions of the | |
8714a182 GM |
6187 | region; both are -1 if no region is visible. |
6188 | ||
6189 | BASE_FACE_ID is the id of a face to merge with. For strings coming | |
6190 | from overlays or the `display' property it is the face at BUFPOS. | |
178c5d9c | 6191 | |
48a4ca99 GM |
6192 | If MOUSE_P is non-zero, use the character's mouse-face, not its face. |
6193 | ||
82641697 GM |
6194 | Set *ENDPTR to the next position where to check for faces in |
6195 | STRING; -1 if the face is constant from POS to the end of the | |
6196 | string. | |
18195655 | 6197 | |
82641697 | 6198 | Value is the id of the face to use. The face returned is suitable |
39506348 | 6199 | for displaying ASCII characters. */ |
fffc2367 | 6200 | |
82641697 | 6201 | int |
d5a3eaaf | 6202 | face_at_string_position (struct window *w, Lisp_Object string, |
d311d28c PE |
6203 | ptrdiff_t pos, ptrdiff_t bufpos, |
6204 | ptrdiff_t region_beg, ptrdiff_t region_end, | |
6205 | ptrdiff_t *endptr, enum face_id base_face_id, | |
d5a3eaaf | 6206 | int mouse_p) |
660ed669 | 6207 | { |
82641697 GM |
6208 | Lisp_Object prop, position, end, limit; |
6209 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
6210 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
6211 | struct face *base_face; | |
6212 | int multibyte_p = STRING_MULTIBYTE (string); | |
48a4ca99 | 6213 | Lisp_Object prop_name = mouse_p ? Qmouse_face : Qface; |
82641697 GM |
6214 | |
6215 | /* Get the value of the face property at the current position within | |
6216 | STRING. Value is nil if there is no face property. */ | |
6217 | XSETFASTINT (position, pos); | |
48a4ca99 | 6218 | prop = Fget_text_property (position, prop_name, string); |
82641697 GM |
6219 | |
6220 | /* Get the next position at which to check for faces. Value of end | |
6221 | is nil if face is constant all the way to the end of the string. | |
6222 | Otherwise it is a string position where to check faces next. | |
6223 | Limit is the maximum position up to which to check for property | |
6224 | changes in Fnext_single_property_change. Strings are usually | |
6225 | short, so set the limit to the end of the string. */ | |
d5db4077 | 6226 | XSETFASTINT (limit, SCHARS (string)); |
48a4ca99 | 6227 | end = Fnext_single_property_change (position, prop_name, string, limit); |
82641697 GM |
6228 | if (INTEGERP (end)) |
6229 | *endptr = XFASTINT (end); | |
6230 | else | |
6231 | *endptr = -1; | |
6232 | ||
6233 | base_face = FACE_FROM_ID (f, base_face_id); | |
a54e2c05 | 6234 | eassert (base_face); |
82641697 GM |
6235 | |
6236 | /* Optimize the default case that there is no face property and we | |
6237 | are not in the region. */ | |
6238 | if (NILP (prop) | |
6239 | && (base_face_id != DEFAULT_FACE_ID | |
6240 | /* BUFPOS <= 0 means STRING is not an overlay string, so | |
6241 | that the region doesn't have to be taken into account. */ | |
6242 | || bufpos <= 0 | |
6243 | || bufpos < region_beg | |
6244 | || bufpos >= region_end) | |
6245 | && (multibyte_p | |
6246 | /* We can't realize faces for different charsets differently | |
6247 | if we don't have fonts, so we can stop here if not working | |
6248 | on a window-system frame. */ | |
6249 | || !FRAME_WINDOW_P (f) | |
239f9db9 | 6250 | || FACE_SUITABLE_FOR_ASCII_CHAR_P (base_face, 0))) |
82641697 GM |
6251 | return base_face->id; |
6252 | ||
6253 | /* Begin with attributes from the base face. */ | |
72af86bd | 6254 | memcpy (attrs, base_face->lface, sizeof attrs); |
82641697 GM |
6255 | |
6256 | /* Merge in attributes specified via text properties. */ | |
6257 | if (!NILP (prop)) | |
a0a23346 | 6258 | merge_face_ref (f, prop, attrs, 1, 0); |
82641697 GM |
6259 | |
6260 | /* If in the region, merge in the region face. */ | |
6261 | if (bufpos | |
6262 | && bufpos >= region_beg | |
6263 | && bufpos < region_end) | |
a0a23346 | 6264 | merge_named_face (f, Qregion, attrs, 0); |
660ed669 | 6265 | |
82641697 | 6266 | /* Look up a realized face with the given face attributes, |
39506348 | 6267 | or realize a new one for ASCII characters. */ |
af53b43c | 6268 | return lookup_face (f, attrs); |
660ed669 JB |
6269 | } |
6270 | ||
6271 | ||
fd998c7f KS |
6272 | /* Merge a face into a realized face. |
6273 | ||
6274 | F is frame where faces are (to be) realized. | |
6275 | ||
dc91a0ed KS |
6276 | FACE_NAME is named face to merge. |
6277 | ||
6278 | If FACE_NAME is nil, FACE_ID is face_id of realized face to merge. | |
6279 | ||
6280 | If FACE_NAME is t, FACE_ID is lface_id of face to merge. | |
fd998c7f KS |
6281 | |
6282 | BASE_FACE_ID is realized face to merge into. | |
6283 | ||
dc91a0ed | 6284 | Return new face id. |
fd998c7f KS |
6285 | */ |
6286 | ||
6287 | int | |
d311d28c | 6288 | merge_faces (struct frame *f, Lisp_Object face_name, int face_id, |
9910e595 | 6289 | int base_face_id) |
fd998c7f KS |
6290 | { |
6291 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
6292 | struct face *base_face; | |
6293 | ||
6294 | base_face = FACE_FROM_ID (f, base_face_id); | |
6295 | if (!base_face) | |
6296 | return base_face_id; | |
6297 | ||
dc91a0ed KS |
6298 | if (EQ (face_name, Qt)) |
6299 | { | |
6300 | if (face_id < 0 || face_id >= lface_id_to_name_size) | |
6301 | return base_face_id; | |
6302 | face_name = lface_id_to_name[face_id]; | |
d8453278 CY |
6303 | /* When called during make-frame, lookup_derived_face may fail |
6304 | if the faces are uninitialized. Don't signal an error. */ | |
6305 | face_id = lookup_derived_face (f, face_name, base_face_id, 0); | |
6306 | return (face_id >= 0 ? face_id : base_face_id); | |
dc91a0ed KS |
6307 | } |
6308 | ||
fd998c7f | 6309 | /* Begin with attributes from the base face. */ |
72af86bd | 6310 | memcpy (attrs, base_face->lface, sizeof attrs); |
fd998c7f KS |
6311 | |
6312 | if (!NILP (face_name)) | |
6313 | { | |
6314 | if (!merge_named_face (f, face_name, attrs, 0)) | |
6315 | return base_face_id; | |
6316 | } | |
6317 | else | |
6318 | { | |
6319 | struct face *face; | |
dc91a0ed KS |
6320 | if (face_id < 0) |
6321 | return base_face_id; | |
fd998c7f KS |
6322 | face = FACE_FROM_ID (f, face_id); |
6323 | if (!face) | |
6324 | return base_face_id; | |
6325 | merge_face_vectors (f, face->lface, attrs, 0); | |
6326 | } | |
6327 | ||
6328 | /* Look up a realized face with the given face attributes, | |
6329 | or realize a new one for ASCII characters. */ | |
0e3ae538 | 6330 | return lookup_face (f, attrs); |
fd998c7f KS |
6331 | } |
6332 | ||
c115973b | 6333 | \f |
7ded3383 AR |
6334 | |
6335 | #ifndef HAVE_X_WINDOWS | |
6336 | DEFUN ("x-load-color-file", Fx_load_color_file, | |
6337 | Sx_load_color_file, 1, 1, 0, | |
6338 | doc: /* Create an alist of color entries from an external file. | |
6339 | ||
6340 | The file should define one named RGB color per line like so: | |
6341 | R G B name | |
6342 | where R,G,B are numbers between 0 and 255 and name is an arbitrary string. */) | |
5842a27b | 6343 | (Lisp_Object filename) |
7ded3383 AR |
6344 | { |
6345 | FILE *fp; | |
6346 | Lisp_Object cmap = Qnil; | |
6347 | Lisp_Object abspath; | |
6348 | ||
6349 | CHECK_STRING (filename); | |
6350 | abspath = Fexpand_file_name (filename, Qnil); | |
6351 | ||
6045c4fd | 6352 | fp = fopen (SSDATA (abspath), "rt"); |
7ded3383 AR |
6353 | if (fp) |
6354 | { | |
6355 | char buf[512]; | |
6356 | int red, green, blue; | |
6357 | int num; | |
6358 | ||
4d7e6e51 | 6359 | block_input (); |
7ded3383 AR |
6360 | |
6361 | while (fgets (buf, sizeof (buf), fp) != NULL) { | |
6362 | if (sscanf (buf, "%u %u %u %n", &red, &green, &blue, &num) == 3) | |
6363 | { | |
6364 | char *name = buf + num; | |
6365 | num = strlen (name) - 1; | |
40aa3f13 | 6366 | if (num >= 0 && name[num] == '\n') |
7ded3383 AR |
6367 | name[num] = 0; |
6368 | cmap = Fcons (Fcons (build_string (name), | |
0fda9b75 | 6369 | #ifdef HAVE_NTGUI |
dee8cd43 | 6370 | make_number (RGB (red, green, blue))), |
ebadbfa6 | 6371 | #else |
dee8cd43 | 6372 | make_number ((red << 16) | (green << 8) | blue)), |
ebadbfa6 | 6373 | #endif |
7ded3383 AR |
6374 | cmap); |
6375 | } | |
6376 | } | |
6377 | fclose (fp); | |
6378 | ||
4d7e6e51 | 6379 | unblock_input (); |
7ded3383 AR |
6380 | } |
6381 | ||
6382 | return cmap; | |
6383 | } | |
6384 | #endif | |
6385 | ||
6386 | \f | |
82641697 GM |
6387 | /*********************************************************************** |
6388 | Tests | |
6389 | ***********************************************************************/ | |
c115973b | 6390 | |
e509cfa6 | 6391 | #ifdef GLYPH_DEBUG |
c115973b | 6392 | |
82641697 | 6393 | /* Print the contents of the realized face FACE to stderr. */ |
c115973b | 6394 | |
82641697 | 6395 | static void |
7d7d0045 | 6396 | dump_realized_face (struct face *face) |
82641697 GM |
6397 | { |
6398 | fprintf (stderr, "ID: %d\n", face->id); | |
6399 | #ifdef HAVE_X_WINDOWS | |
2defe37f | 6400 | fprintf (stderr, "gc: %ld\n", (long) face->gc); |
82641697 GM |
6401 | #endif |
6402 | fprintf (stderr, "foreground: 0x%lx (%s)\n", | |
6403 | face->foreground, | |
d5db4077 | 6404 | SDATA (face->lface[LFACE_FOREGROUND_INDEX])); |
82641697 GM |
6405 | fprintf (stderr, "background: 0x%lx (%s)\n", |
6406 | face->background, | |
d5db4077 | 6407 | SDATA (face->lface[LFACE_BACKGROUND_INDEX])); |
2dee4c0b KH |
6408 | if (face->font) |
6409 | fprintf (stderr, "font_name: %s (%s)\n", | |
6410 | SDATA (face->font->props[FONT_NAME_INDEX]), | |
6411 | SDATA (face->lface[LFACE_FAMILY_INDEX])); | |
82641697 GM |
6412 | #ifdef HAVE_X_WINDOWS |
6413 | fprintf (stderr, "font = %p\n", face->font); | |
6414 | #endif | |
82641697 GM |
6415 | fprintf (stderr, "fontset: %d\n", face->fontset); |
6416 | fprintf (stderr, "underline: %d (%s)\n", | |
6417 | face->underline_p, | |
d5db4077 | 6418 | SDATA (Fsymbol_name (face->lface[LFACE_UNDERLINE_INDEX]))); |
82641697 | 6419 | fprintf (stderr, "hash: %d\n", face->hash); |
c115973b JB |
6420 | } |
6421 | ||
6422 | ||
a7ca3326 | 6423 | DEFUN ("dump-face", Fdump_face, Sdump_face, 0, 1, 0, doc: /* */) |
5842a27b | 6424 | (Lisp_Object n) |
c115973b | 6425 | { |
82641697 | 6426 | if (NILP (n)) |
c115973b | 6427 | { |
82641697 | 6428 | int i; |
178c5d9c | 6429 | |
82641697 GM |
6430 | fprintf (stderr, "font selection order: "); |
6431 | for (i = 0; i < DIM (font_sort_order); ++i) | |
6432 | fprintf (stderr, "%d ", font_sort_order[i]); | |
6433 | fprintf (stderr, "\n"); | |
6434 | ||
6435 | fprintf (stderr, "alternative fonts: "); | |
6436 | debug_print (Vface_alternative_font_family_alist); | |
6437 | fprintf (stderr, "\n"); | |
178c5d9c | 6438 | |
c0617987 | 6439 | for (i = 0; i < FRAME_FACE_CACHE (SELECTED_FRAME ())->used; ++i) |
82641697 | 6440 | Fdump_face (make_number (i)); |
c115973b JB |
6441 | } |
6442 | else | |
f5e278c7 | 6443 | { |
82641697 | 6444 | struct face *face; |
b7826503 | 6445 | CHECK_NUMBER (n); |
c0617987 | 6446 | face = FACE_FROM_ID (SELECTED_FRAME (), XINT (n)); |
82641697 GM |
6447 | if (face == NULL) |
6448 | error ("Not a valid face"); | |
6449 | dump_realized_face (face); | |
f5e278c7 | 6450 | } |
178c5d9c | 6451 | |
c115973b JB |
6452 | return Qnil; |
6453 | } | |
b5c53576 | 6454 | |
b5c53576 | 6455 | |
a7ca3326 | 6456 | DEFUN ("show-face-resources", Fshow_face_resources, Sshow_face_resources, |
7ee72033 | 6457 | 0, 0, 0, doc: /* */) |
5842a27b | 6458 | (void) |
b5c53576 | 6459 | { |
82641697 GM |
6460 | fprintf (stderr, "number of colors = %d\n", ncolors_allocated); |
6461 | fprintf (stderr, "number of pixmaps = %d\n", npixmaps_allocated); | |
6462 | fprintf (stderr, "number of GCs = %d\n", ngcs); | |
6463 | return Qnil; | |
b5c53576 RS |
6464 | } |
6465 | ||
e509cfa6 | 6466 | #endif /* GLYPH_DEBUG */ |
82641697 | 6467 | |
b5c53576 | 6468 | |
c115973b | 6469 | \f |
82641697 GM |
6470 | /*********************************************************************** |
6471 | Initialization | |
6472 | ***********************************************************************/ | |
cb637678 | 6473 | |
c115973b | 6474 | void |
971de7fb | 6475 | syms_of_xfaces (void) |
c115973b | 6476 | { |
cd3520a4 JB |
6477 | DEFSYM (Qface, "face"); |
6478 | DEFSYM (Qface_no_inherit, "face-no-inherit"); | |
6479 | DEFSYM (Qbitmap_spec_p, "bitmap-spec-p"); | |
6480 | DEFSYM (Qframe_set_background_mode, "frame-set-background-mode"); | |
178c5d9c | 6481 | |
82641697 | 6482 | /* Lisp face attribute keywords. */ |
cd3520a4 JB |
6483 | DEFSYM (QCfamily, ":family"); |
6484 | DEFSYM (QCheight, ":height"); | |
6485 | DEFSYM (QCweight, ":weight"); | |
6486 | DEFSYM (QCslant, ":slant"); | |
6487 | DEFSYM (QCunderline, ":underline"); | |
6488 | DEFSYM (QCinverse_video, ":inverse-video"); | |
6489 | DEFSYM (QCreverse_video, ":reverse-video"); | |
6490 | DEFSYM (QCforeground, ":foreground"); | |
6491 | DEFSYM (QCbackground, ":background"); | |
6492 | DEFSYM (QCstipple, ":stipple"); | |
6493 | DEFSYM (QCwidth, ":width"); | |
6494 | DEFSYM (QCfont, ":font"); | |
6495 | DEFSYM (QCfontset, ":fontset"); | |
6496 | DEFSYM (QCbold, ":bold"); | |
6497 | DEFSYM (QCitalic, ":italic"); | |
6498 | DEFSYM (QCoverline, ":overline"); | |
6499 | DEFSYM (QCstrike_through, ":strike-through"); | |
6500 | DEFSYM (QCbox, ":box"); | |
6501 | DEFSYM (QCinherit, ":inherit"); | |
82641697 GM |
6502 | |
6503 | /* Symbols used for Lisp face attribute values. */ | |
cd3520a4 JB |
6504 | DEFSYM (QCcolor, ":color"); |
6505 | DEFSYM (QCline_width, ":line-width"); | |
6506 | DEFSYM (QCstyle, ":style"); | |
9b0e3eba AA |
6507 | DEFSYM (Qline, "line"); |
6508 | DEFSYM (Qwave, "wave"); | |
cd3520a4 JB |
6509 | DEFSYM (Qreleased_button, "released-button"); |
6510 | DEFSYM (Qpressed_button, "pressed-button"); | |
6511 | DEFSYM (Qnormal, "normal"); | |
6512 | DEFSYM (Qultra_light, "ultra-light"); | |
6513 | DEFSYM (Qextra_light, "extra-light"); | |
6514 | DEFSYM (Qlight, "light"); | |
6515 | DEFSYM (Qsemi_light, "semi-light"); | |
6516 | DEFSYM (Qsemi_bold, "semi-bold"); | |
6517 | DEFSYM (Qbold, "bold"); | |
6518 | DEFSYM (Qextra_bold, "extra-bold"); | |
6519 | DEFSYM (Qultra_bold, "ultra-bold"); | |
6520 | DEFSYM (Qoblique, "oblique"); | |
6521 | DEFSYM (Qitalic, "italic"); | |
6522 | DEFSYM (Qreverse_oblique, "reverse-oblique"); | |
6523 | DEFSYM (Qreverse_italic, "reverse-italic"); | |
6524 | DEFSYM (Qultra_condensed, "ultra-condensed"); | |
6525 | DEFSYM (Qextra_condensed, "extra-condensed"); | |
6526 | DEFSYM (Qcondensed, "condensed"); | |
6527 | DEFSYM (Qsemi_condensed, "semi-condensed"); | |
6528 | DEFSYM (Qsemi_expanded, "semi-expanded"); | |
6529 | DEFSYM (Qexpanded, "expanded"); | |
6530 | DEFSYM (Qextra_expanded, "extra-expanded"); | |
6531 | DEFSYM (Qultra_expanded, "ultra-expanded"); | |
6532 | DEFSYM (Qbackground_color, "background-color"); | |
6533 | DEFSYM (Qforeground_color, "foreground-color"); | |
6534 | DEFSYM (Qunspecified, "unspecified"); | |
a3720aa2 | 6535 | DEFSYM (QCignore_defface, ":ignore-defface"); |
cd3520a4 JB |
6536 | |
6537 | DEFSYM (Qface_alias, "face-alias"); | |
6538 | DEFSYM (Qdefault, "default"); | |
6539 | DEFSYM (Qtool_bar, "tool-bar"); | |
6540 | DEFSYM (Qregion, "region"); | |
6541 | DEFSYM (Qfringe, "fringe"); | |
6542 | DEFSYM (Qheader_line, "header-line"); | |
6543 | DEFSYM (Qscroll_bar, "scroll-bar"); | |
6544 | DEFSYM (Qmenu, "menu"); | |
6545 | DEFSYM (Qcursor, "cursor"); | |
6546 | DEFSYM (Qborder, "border"); | |
6547 | DEFSYM (Qmouse, "mouse"); | |
6548 | DEFSYM (Qmode_line_inactive, "mode-line-inactive"); | |
6549 | DEFSYM (Qvertical_border, "vertical-border"); | |
6550 | DEFSYM (Qtty_color_desc, "tty-color-desc"); | |
6551 | DEFSYM (Qtty_color_standard_values, "tty-color-standard-values"); | |
6552 | DEFSYM (Qtty_color_by_index, "tty-color-by-index"); | |
6553 | DEFSYM (Qtty_color_alist, "tty-color-alist"); | |
6554 | DEFSYM (Qscalable_fonts_allowed, "scalable-fonts-allowed"); | |
82641697 | 6555 | |
dbc968b8 GM |
6556 | Vparam_value_alist = Fcons (Fcons (Qnil, Qnil), Qnil); |
6557 | staticpro (&Vparam_value_alist); | |
434b9cc5 GM |
6558 | Vface_alternative_font_family_alist = Qnil; |
6559 | staticpro (&Vface_alternative_font_family_alist); | |
32fcc231 GM |
6560 | Vface_alternative_font_registry_alist = Qnil; |
6561 | staticpro (&Vface_alternative_font_registry_alist); | |
434b9cc5 | 6562 | |
82641697 GM |
6563 | defsubr (&Sinternal_make_lisp_face); |
6564 | defsubr (&Sinternal_lisp_face_p); | |
6565 | defsubr (&Sinternal_set_lisp_face_attribute); | |
c3cee013 | 6566 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 6567 | defsubr (&Sinternal_set_lisp_face_attribute_from_resource); |
42608ba8 | 6568 | #endif |
ea4fa0af GM |
6569 | defsubr (&Scolor_gray_p); |
6570 | defsubr (&Scolor_supported_p); | |
7ded3383 AR |
6571 | #ifndef HAVE_X_WINDOWS |
6572 | defsubr (&Sx_load_color_file); | |
6573 | #endif | |
cdfaafa9 MB |
6574 | defsubr (&Sface_attribute_relative_p); |
6575 | defsubr (&Smerge_face_attribute); | |
82641697 GM |
6576 | defsubr (&Sinternal_get_lisp_face_attribute); |
6577 | defsubr (&Sinternal_lisp_face_attribute_values); | |
6578 | defsubr (&Sinternal_lisp_face_equal_p); | |
6579 | defsubr (&Sinternal_lisp_face_empty_p); | |
6580 | defsubr (&Sinternal_copy_lisp_face); | |
6581 | defsubr (&Sinternal_merge_in_global_face); | |
6582 | defsubr (&Sface_font); | |
6583 | defsubr (&Sframe_face_alist); | |
9717e36c | 6584 | defsubr (&Sdisplay_supports_face_attributes_p); |
b35df831 | 6585 | defsubr (&Scolor_distance); |
82641697 GM |
6586 | defsubr (&Sinternal_set_font_selection_order); |
6587 | defsubr (&Sinternal_set_alternative_font_family_alist); | |
32fcc231 | 6588 | defsubr (&Sinternal_set_alternative_font_registry_alist); |
f6608d5c | 6589 | defsubr (&Sface_attributes_as_vector); |
e509cfa6 | 6590 | #ifdef GLYPH_DEBUG |
82641697 GM |
6591 | defsubr (&Sdump_face); |
6592 | defsubr (&Sshow_face_resources); | |
6593 | #endif /* GLYPH_DEBUG */ | |
6594 | defsubr (&Sclear_face_cache); | |
a4a76b61 | 6595 | defsubr (&Stty_suppress_bold_inverse_default_colors); |
82641697 | 6596 | |
38426dee | 6597 | #if defined DEBUG_X_COLORS && defined HAVE_X_WINDOWS |
08dc08dc GM |
6598 | defsubr (&Sdump_colors); |
6599 | #endif | |
6600 | ||
29208e82 | 6601 | DEFVAR_LISP ("face-new-frame-defaults", Vface_new_frame_defaults, |
7ee72033 | 6602 | doc: /* List of global face definitions (for internal use only.) */); |
82641697 | 6603 | Vface_new_frame_defaults = Qnil; |
178c5d9c | 6604 | |
29208e82 | 6605 | DEFVAR_LISP ("face-default-stipple", Vface_default_stipple, |
fb7ada5f | 6606 | doc: /* Default stipple pattern used on monochrome displays. |
228299fa GM |
6607 | This stipple pattern is used on monochrome displays |
6608 | instead of shades of gray for a face background color. | |
6609 | See `set-face-stipple' for possible values for this variable. */); | |
2a0213a6 | 6610 | Vface_default_stipple = build_pure_c_string ("gray3"); |
82641697 | 6611 | |
29208e82 | 6612 | DEFVAR_LISP ("tty-defined-color-alist", Vtty_defined_color_alist, |
46710489 GM |
6613 | doc: /* An alist of defined terminal colors and their RGB values. |
6614 | See the docstring of `tty-color-alist' for the details. */); | |
ae4b4ba5 GM |
6615 | Vtty_defined_color_alist = Qnil; |
6616 | ||
29208e82 | 6617 | DEFVAR_LISP ("scalable-fonts-allowed", Vscalable_fonts_allowed, |
7ee72033 | 6618 | doc: /* Allowed scalable fonts. |
228299fa GM |
6619 | A value of nil means don't allow any scalable fonts. |
6620 | A value of t means allow any scalable font. | |
6621 | Otherwise, value must be a list of regular expressions. A font may be | |
6622 | scaled if its name matches a regular expression in the list. | |
6623 | Note that if value is nil, a scalable font might still be used, if no | |
6624 | other font of the appropriate family and registry is available. */); | |
3cf80731 | 6625 | Vscalable_fonts_allowed = Qnil; |
b5c53576 | 6626 | |
29208e82 | 6627 | DEFVAR_LISP ("face-ignored-fonts", Vface_ignored_fonts, |
7ee72033 | 6628 | doc: /* List of ignored fonts. |
228299fa GM |
6629 | Each element is a regular expression that matches names of fonts to |
6630 | ignore. */); | |
c824bfbc KH |
6631 | Vface_ignored_fonts = Qnil; |
6632 | ||
29208e82 | 6633 | DEFVAR_LISP ("face-remapping-alist", Vface_remapping_alist, |
f2cec7a9 MB |
6634 | doc: /* Alist of face remappings. |
6635 | Each element is of the form: | |
6636 | ||
fb5b8aca | 6637 | (FACE . REPLACEMENT), |
f2cec7a9 | 6638 | |
fb5b8aca CY |
6639 | which causes display of the face FACE to use REPLACEMENT instead. |
6640 | REPLACEMENT is a face specification, i.e. one of the following: | |
f2cec7a9 | 6641 | |
fb5b8aca CY |
6642 | (1) a face name |
6643 | (2) a property list of attribute/value pairs, or | |
6644 | (3) a list in which each element has the form of (1) or (2). | |
f2cec7a9 | 6645 | |
fb5b8aca CY |
6646 | List values for REPLACEMENT are merged to form the final face |
6647 | specification, with earlier entries taking precedence, in the same as | |
6648 | as in the `face' text property. | |
6649 | ||
6650 | Face-name remapping cycles are suppressed; recursive references use | |
6651 | the underlying face instead of the remapped face. So a remapping of | |
6652 | the form: | |
f2cec7a9 MB |
6653 | |
6654 | (FACE EXTRA-FACE... FACE) | |
6655 | ||
6656 | or: | |
6657 | ||
6658 | (FACE (FACE-ATTR VAL ...) FACE) | |
6659 | ||
fb5b8aca CY |
6660 | causes EXTRA-FACE... or (FACE-ATTR VAL ...) to be _merged_ with the |
6661 | existing definition of FACE. Note that this isn't necessary for the | |
6662 | default face, since every face inherits from the default face. | |
f2cec7a9 | 6663 | |
fb5b8aca CY |
6664 | If this variable is made buffer-local, the face remapping takes effect |
6665 | only in that buffer. For instance, the mode my-mode could define a | |
6666 | face `my-mode-default', and then in the mode setup function, do: | |
f2cec7a9 MB |
6667 | |
6668 | (set (make-local-variable 'face-remapping-alist) | |
b5f03016 | 6669 | '((default my-mode-default)))). |
635c0aa1 CY |
6670 | |
6671 | Because Emacs normally only redraws screen areas when the underlying | |
6672 | buffer contents change, you may need to call `redraw-display' after | |
6673 | changing this variable for it to take effect. */); | |
f2cec7a9 MB |
6674 | Vface_remapping_alist = Qnil; |
6675 | ||
29208e82 | 6676 | DEFVAR_LISP ("face-font-rescale-alist", Vface_font_rescale_alist, |
f70400f2 | 6677 | doc: /* Alist of fonts vs the rescaling factors. |
96f9306b KH |
6678 | Each element is a cons (FONT-PATTERN . RESCALE-RATIO), where |
6679 | FONT-PATTERN is a font-spec or a regular expression matching a font name, and | |
f70400f2 KH |
6680 | RESCALE-RATIO is a floating point number to specify how much larger |
6681 | \(or smaller) font we should use. For instance, if a face requests | |
6682 | a font of 10 point, we actually use a font of 10 * RESCALE-RATIO point. */); | |
6683 | Vface_font_rescale_alist = Qnil; | |
6684 | ||
c3cee013 | 6685 | #ifdef HAVE_WINDOW_SYSTEM |
fef04523 | 6686 | defsubr (&Sbitmap_spec_p); |
82641697 GM |
6687 | defsubr (&Sx_list_fonts); |
6688 | defsubr (&Sinternal_face_x_get_resource); | |
92610620 | 6689 | defsubr (&Sx_family_fonts); |
32247e3d | 6690 | #endif |
c115973b | 6691 | } |