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82641697 | 1 | /* xfaces.c -- "Face" primitives. |
e9bffc61 | 2 | |
ab422c4d | 3 | Copyright (C) 1993-1994, 1998-2013 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 | 317 | Lisp_Object Qextra_light, Qlight; |
f2045622 | 318 | Lisp_Object Qsemi_light, Qsemi_bold, Qextra_bold, Qultra_bold; |
a411ac43 | 319 | Lisp_Object Qoblique; |
cc39a9db | 320 | Lisp_Object Qitalic; |
955cbe7b PE |
321 | static Lisp_Object Qreleased_button, Qpressed_button; |
322 | static Lisp_Object QCstyle, QCcolor, QCline_width; | |
1b2de274 | 323 | Lisp_Object Qunspecified; /* used in dosfns.c */ |
a3720aa2 | 324 | static Lisp_Object QCignore_defface; |
ef917393 EZ |
325 | |
326 | char unspecified_fg[] = "unspecified-fg", unspecified_bg[] = "unspecified-bg"; | |
82641697 | 327 | |
92610620 | 328 | /* The name of the function to call when the background of the frame |
c20577bc | 329 | has changed, frame_set_background_mode. */ |
92610620 | 330 | |
19d5c50c | 331 | static Lisp_Object Qframe_set_background_mode; |
92610620 | 332 | |
82641697 GM |
333 | /* Names of basic faces. */ |
334 | ||
955cbe7b PE |
335 | Lisp_Object Qdefault, Qtool_bar, Qfringe; |
336 | static Lisp_Object Qregion; | |
337 | Lisp_Object Qheader_line, Qscroll_bar, Qcursor; | |
338 | static Lisp_Object Qborder, Qmouse, Qmenu; | |
339 | Lisp_Object Qmode_line_inactive; | |
340 | static Lisp_Object Qvertical_border; | |
8bd201d6 | 341 | |
92610620 GM |
342 | /* The symbol `face-alias'. A symbols having that property is an |
343 | alias for another face. Value of the property is the name of | |
344 | the aliased face. */ | |
345 | ||
955cbe7b | 346 | static Lisp_Object Qface_alias; |
92610620 | 347 | |
82641697 GM |
348 | /* Alist of alternative font families. Each element is of the form |
349 | (FAMILY FAMILY1 FAMILY2 ...). If fonts of FAMILY can't be loaded, | |
350 | try FAMILY1, then FAMILY2, ... */ | |
351 | ||
352 | Lisp_Object Vface_alternative_font_family_alist; | |
353 | ||
32fcc231 GM |
354 | /* Alist of alternative font registries. Each element is of the form |
355 | (REGISTRY REGISTRY1 REGISTRY2...). If fonts of REGISTRY can't be | |
356 | loaded, try REGISTRY1, then REGISTRY2, ... */ | |
357 | ||
358 | Lisp_Object Vface_alternative_font_registry_alist; | |
359 | ||
82641697 GM |
360 | /* Allowed scalable fonts. A value of nil means don't allow any |
361 | scalable fonts. A value of t means allow the use of any scalable | |
362 | font. Otherwise, value must be a list of regular expressions. A | |
363 | font may be scaled if its name matches a regular expression in the | |
364 | list. */ | |
365 | ||
955cbe7b | 366 | static Lisp_Object Qscalable_fonts_allowed; |
c824bfbc | 367 | |
82641697 GM |
368 | /* The symbols `foreground-color' and `background-color' which can be |
369 | used as part of a `face' property. This is for compatibility with | |
370 | Emacs 20.2. */ | |
371 | ||
372 | Lisp_Object Qforeground_color, Qbackground_color; | |
373 | ||
374 | /* The symbols `face' and `mouse-face' used as text properties. */ | |
7b7739b1 | 375 | |
ff83dbb1 | 376 | Lisp_Object Qface; |
82641697 | 377 | |
46b00436 KS |
378 | /* Property for basic faces which other faces cannot inherit. */ |
379 | ||
955cbe7b | 380 | static Lisp_Object Qface_no_inherit; |
46b00436 | 381 | |
82641697 GM |
382 | /* Error symbol for wrong_type_argument in load_pixmap. */ |
383 | ||
955cbe7b | 384 | static Lisp_Object Qbitmap_spec_p; |
f211082d | 385 | |
82641697 | 386 | /* The next ID to assign to Lisp faces. */ |
cb637678 | 387 | |
82641697 | 388 | static int next_lface_id; |
c115973b | 389 | |
82641697 | 390 | /* A vector mapping Lisp face Id's to face names. */ |
c115973b | 391 | |
82641697 | 392 | static Lisp_Object *lface_id_to_name; |
0065d054 | 393 | static ptrdiff_t lface_id_to_name_size; |
c115973b | 394 | |
ae4b4ba5 GM |
395 | /* TTY color-related functions (defined in tty-colors.el). */ |
396 | ||
955cbe7b | 397 | static Lisp_Object Qtty_color_desc, Qtty_color_by_index, Qtty_color_standard_values; |
82641697 | 398 | |
ae4b4ba5 GM |
399 | /* The name of the function used to compute colors on TTYs. */ |
400 | ||
955cbe7b | 401 | static Lisp_Object Qtty_color_alist; |
ae4b4ba5 | 402 | |
82641697 GM |
403 | /* Counter for calls to clear_face_cache. If this counter reaches |
404 | CLEAR_FONT_TABLE_COUNT, and a frame has more than | |
405 | CLEAR_FONT_TABLE_NFONTS load, unused fonts are freed. */ | |
406 | ||
407 | static int clear_font_table_count; | |
408 | #define CLEAR_FONT_TABLE_COUNT 100 | |
409 | #define CLEAR_FONT_TABLE_NFONTS 10 | |
410 | ||
411 | /* Non-zero means face attributes have been changed since the last | |
412 | redisplay. Used in redisplay_internal. */ | |
413 | ||
414 | int face_change_count; | |
415 | ||
a4a76b61 GM |
416 | /* Non-zero means don't display bold text if a face's foreground |
417 | and background colors are the inverse of the default colors of the | |
418 | display. This is a kluge to suppress `bold black' foreground text | |
419 | which is hard to read on an LCD monitor. */ | |
420 | ||
435f4c28 | 421 | static int tty_suppress_bold_inverse_default_colors_p; |
a4a76b61 | 422 | |
dbc968b8 GM |
423 | /* A list of the form `((x . y))' used to avoid consing in |
424 | Finternal_set_lisp_face_attribute. */ | |
425 | ||
426 | static Lisp_Object Vparam_value_alist; | |
427 | ||
82641697 GM |
428 | /* The total number of colors currently allocated. */ |
429 | ||
e509cfa6 | 430 | #ifdef GLYPH_DEBUG |
82641697 GM |
431 | static int ncolors_allocated; |
432 | static int npixmaps_allocated; | |
433 | static int ngcs; | |
434 | #endif | |
435 | ||
ceeda019 GM |
436 | /* Non-zero means the definition of the `menu' face for new frames has |
437 | been changed. */ | |
438 | ||
435f4c28 | 439 | static int menu_face_changed_default; |
82641697 GM |
440 | |
441 | \f | |
442 | /* Function prototypes. */ | |
443 | ||
82641697 | 444 | struct table_entry; |
a0a23346 | 445 | struct named_merge_point; |
82641697 | 446 | |
f57e2426 | 447 | static void set_font_frame_param (Lisp_Object, Lisp_Object); |
f57e2426 | 448 | static struct face *realize_face (struct face_cache *, Lisp_Object *, |
b5f03016 | 449 | int); |
f57e2426 | 450 | static struct face *realize_non_ascii_face (struct frame *, Lisp_Object, |
b5f03016 | 451 | struct face *); |
f57e2426 J |
452 | static struct face *realize_x_face (struct face_cache *, Lisp_Object *); |
453 | static struct face *realize_tty_face (struct face_cache *, Lisp_Object *); | |
454 | static int realize_basic_faces (struct frame *); | |
455 | static int realize_default_face (struct frame *); | |
456 | static void realize_named_face (struct frame *, Lisp_Object, int); | |
f57e2426 J |
457 | static struct face_cache *make_face_cache (struct frame *); |
458 | static void clear_face_gcs (struct face_cache *); | |
459 | static void free_face_cache (struct face_cache *); | |
f57e2426 | 460 | static int merge_face_ref (struct frame *, Lisp_Object, Lisp_Object *, |
b5f03016 | 461 | int, struct named_merge_point *); |
c115973b | 462 | |
cb637678 | 463 | \f |
82641697 GM |
464 | /*********************************************************************** |
465 | Utilities | |
466 | ***********************************************************************/ | |
c115973b | 467 | |
87485d6f | 468 | #ifdef HAVE_X_WINDOWS |
cb637678 | 469 | |
a435fc2a GM |
470 | #ifdef DEBUG_X_COLORS |
471 | ||
472 | /* The following is a poor mans infrastructure for debugging X color | |
473 | allocation problems on displays with PseudoColor-8. Some X servers | |
474 | like 3.3.5 XF86_SVGA with Matrox cards apparently don't implement | |
475 | color reference counts completely so that they don't signal an | |
476 | error when a color is freed whose reference count is already 0. | |
477 | Other X servers do. To help me debug this, the following code | |
478 | implements a simple reference counting schema of its own, for a | |
479 | single display/screen. --gerd. */ | |
480 | ||
481 | /* Reference counts for pixel colors. */ | |
482 | ||
483 | int color_count[256]; | |
484 | ||
485 | /* Register color PIXEL as allocated. */ | |
486 | ||
487 | void | |
1dae0f0a | 488 | register_color (unsigned long pixel) |
a435fc2a | 489 | { |
a54e2c05 | 490 | eassert (pixel < 256); |
a435fc2a GM |
491 | ++color_count[pixel]; |
492 | } | |
493 | ||
494 | ||
495 | /* Register color PIXEL as deallocated. */ | |
496 | ||
497 | void | |
1dae0f0a | 498 | unregister_color (unsigned long pixel) |
a435fc2a | 499 | { |
a54e2c05 | 500 | eassert (pixel < 256); |
a435fc2a GM |
501 | if (color_count[pixel] > 0) |
502 | --color_count[pixel]; | |
503 | else | |
1088b922 | 504 | emacs_abort (); |
a435fc2a GM |
505 | } |
506 | ||
507 | ||
508 | /* Register N colors from PIXELS as deallocated. */ | |
509 | ||
510 | void | |
1dae0f0a | 511 | unregister_colors (unsigned long *pixels, int n) |
a435fc2a GM |
512 | { |
513 | int i; | |
514 | for (i = 0; i < n; ++i) | |
515 | unregister_color (pixels[i]); | |
516 | } | |
517 | ||
08dc08dc | 518 | |
a7ca3326 | 519 | DEFUN ("dump-colors", Fdump_colors, Sdump_colors, 0, 0, 0, |
7ee72033 | 520 | doc: /* Dump currently allocated colors to stderr. */) |
5842a27b | 521 | (void) |
08dc08dc GM |
522 | { |
523 | int i, n; | |
524 | ||
525 | fputc ('\n', stderr); | |
178c5d9c | 526 | |
08dc08dc GM |
527 | for (i = n = 0; i < sizeof color_count / sizeof color_count[0]; ++i) |
528 | if (color_count[i]) | |
529 | { | |
530 | fprintf (stderr, "%3d: %5d", i, color_count[i]); | |
531 | ++n; | |
532 | if (n % 5 == 0) | |
533 | fputc ('\n', stderr); | |
534 | else | |
535 | fputc ('\t', stderr); | |
536 | } | |
537 | ||
538 | if (n % 5 != 0) | |
539 | fputc ('\n', stderr); | |
540 | return Qnil; | |
541 | } | |
542 | ||
a435fc2a GM |
543 | #endif /* DEBUG_X_COLORS */ |
544 | ||
d12d0a9b | 545 | |
1f847cf8 GM |
546 | /* Free colors used on frame F. PIXELS is an array of NPIXELS pixel |
547 | color values. Interrupt input must be blocked when this function | |
548 | is called. */ | |
549 | ||
550 | void | |
971de7fb | 551 | x_free_colors (struct frame *f, long unsigned int *pixels, int npixels) |
1f847cf8 GM |
552 | { |
553 | int class = FRAME_X_DISPLAY_INFO (f)->visual->class; | |
554 | ||
555 | /* If display has an immutable color map, freeing colors is not | |
556 | necessary and some servers don't allow it. So don't do it. */ | |
557 | if (class != StaticColor && class != StaticGray && class != TrueColor) | |
558 | { | |
a435fc2a | 559 | #ifdef DEBUG_X_COLORS |
08dc08dc | 560 | unregister_colors (pixels, npixels); |
a435fc2a | 561 | #endif |
513c5806 GM |
562 | XFreeColors (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), |
563 | pixels, npixels, 0); | |
08dc08dc GM |
564 | } |
565 | } | |
566 | ||
567 | ||
435f4c28 PE |
568 | #ifdef USE_X_TOOLKIT |
569 | ||
08dc08dc GM |
570 | /* Free colors used on frame F. PIXELS is an array of NPIXELS pixel |
571 | color values. Interrupt input must be blocked when this function | |
572 | is called. */ | |
573 | ||
574 | void | |
b5f03016 AS |
575 | x_free_dpy_colors (Display *dpy, Screen *screen, Colormap cmap, |
576 | long unsigned int *pixels, int npixels) | |
08dc08dc GM |
577 | { |
578 | struct x_display_info *dpyinfo = x_display_info_for_display (dpy); | |
579 | int class = dpyinfo->visual->class; | |
580 | ||
581 | /* If display has an immutable color map, freeing colors is not | |
582 | necessary and some servers don't allow it. So don't do it. */ | |
583 | if (class != StaticColor && class != StaticGray && class != TrueColor) | |
584 | { | |
a435fc2a | 585 | #ifdef DEBUG_X_COLORS |
08dc08dc | 586 | unregister_colors (pixels, npixels); |
a435fc2a | 587 | #endif |
513c5806 | 588 | XFreeColors (dpy, cmap, pixels, npixels, 0); |
1f847cf8 GM |
589 | } |
590 | } | |
435f4c28 | 591 | #endif /* USE_X_TOOLKIT */ |
08dc08dc | 592 | |
82641697 GM |
593 | /* Create and return a GC for use on frame F. GC values and mask |
594 | are given by XGCV and MASK. */ | |
595 | ||
b0ab8123 | 596 | static GC |
971de7fb | 597 | x_create_gc (struct frame *f, long unsigned int mask, XGCValues *xgcv) |
c115973b JB |
598 | { |
599 | GC gc; | |
4d7e6e51 | 600 | block_input (); |
82641697 | 601 | gc = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), mask, xgcv); |
4d7e6e51 | 602 | unblock_input (); |
82641697 GM |
603 | IF_DEBUG (++ngcs); |
604 | return gc; | |
605 | } | |
c115973b | 606 | |
42120bc7 | 607 | |
82641697 GM |
608 | /* Free GC which was used on frame F. */ |
609 | ||
b0ab8123 | 610 | static void |
971de7fb | 611 | x_free_gc (struct frame *f, GC gc) |
82641697 | 612 | { |
4d7e6e51 | 613 | eassert (input_blocked_p ()); |
a54e2c05 | 614 | IF_DEBUG (eassert (--ngcs >= 0)); |
82641697 | 615 | XFreeGC (FRAME_X_DISPLAY (f), gc); |
82641697 | 616 | } |
660ed669 | 617 | |
82641697 | 618 | #endif /* HAVE_X_WINDOWS */ |
660ed669 | 619 | |
0fda9b75 | 620 | #ifdef HAVE_NTGUI |
c3cee013 JR |
621 | /* W32 emulation of GCs */ |
622 | ||
b0ab8123 | 623 | static GC |
7c3320d8 | 624 | x_create_gc (struct frame *f, unsigned long mask, XGCValues *xgcv) |
c3cee013 JR |
625 | { |
626 | GC gc; | |
4d7e6e51 | 627 | block_input (); |
c3cee013 | 628 | gc = XCreateGC (NULL, FRAME_W32_WINDOW (f), mask, xgcv); |
4d7e6e51 | 629 | unblock_input (); |
c3cee013 JR |
630 | IF_DEBUG (++ngcs); |
631 | return gc; | |
632 | } | |
633 | ||
634 | ||
635 | /* Free GC which was used on frame F. */ | |
636 | ||
b0ab8123 | 637 | static void |
7c3320d8 | 638 | x_free_gc (struct frame *f, GC gc) |
c3cee013 | 639 | { |
a54e2c05 | 640 | IF_DEBUG (eassert (--ngcs >= 0)); |
c3cee013 | 641 | xfree (gc); |
c3cee013 JR |
642 | } |
643 | ||
0fda9b75 | 644 | #endif /* HAVE_NTGUI */ |
660ed669 | 645 | |
edfda783 AR |
646 | #ifdef HAVE_NS |
647 | /* NS emulation of GCs */ | |
648 | ||
b0ab8123 | 649 | static GC |
3d608a86 | 650 | x_create_gc (struct frame *f, |
b5f03016 AS |
651 | unsigned long mask, |
652 | XGCValues *xgcv) | |
edfda783 | 653 | { |
38182d90 | 654 | GC gc = xmalloc (sizeof *gc); |
ae1d87e2 | 655 | *gc = *xgcv; |
edfda783 AR |
656 | return gc; |
657 | } | |
658 | ||
b0ab8123 | 659 | static void |
3d608a86 | 660 | x_free_gc (struct frame *f, GC gc) |
edfda783 | 661 | { |
5f445726 | 662 | xfree (gc); |
edfda783 AR |
663 | } |
664 | #endif /* HAVE_NS */ | |
665 | ||
82641697 GM |
666 | /*********************************************************************** |
667 | Frames and faces | |
668 | ***********************************************************************/ | |
cd0bb842 | 669 | |
82641697 | 670 | /* Initialize face cache and basic faces for frame F. */ |
cb637678 | 671 | |
82641697 | 672 | void |
971de7fb | 673 | init_frame_faces (struct frame *f) |
cb637678 | 674 | { |
82641697 GM |
675 | /* Make a face cache, if F doesn't have one. */ |
676 | if (FRAME_FACE_CACHE (f) == NULL) | |
677 | FRAME_FACE_CACHE (f) = make_face_cache (f); | |
178c5d9c | 678 | |
c3cee013 | 679 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 680 | /* Make the image cache. */ |
c3cee013 | 681 | if (FRAME_WINDOW_P (f)) |
82641697 | 682 | { |
91c37b7e CY |
683 | /* We initialize the image cache when creating the first frame |
684 | on a terminal, and not during terminal creation. This way, | |
685 | `x-open-connection' on a tty won't create an image cache. */ | |
354884c4 | 686 | if (FRAME_IMAGE_CACHE (f) == NULL) |
354884c4 SM |
687 | FRAME_IMAGE_CACHE (f) = make_image_cache (); |
688 | ++FRAME_IMAGE_CACHE (f)->refcount; | |
82641697 | 689 | } |
c3cee013 | 690 | #endif /* HAVE_WINDOW_SYSTEM */ |
cb637678 | 691 | |
178c5d9c | 692 | /* Realize basic faces. Must have enough information in frame |
82641697 GM |
693 | parameters to realize basic faces at this point. */ |
694 | #ifdef HAVE_X_WINDOWS | |
695 | if (!FRAME_X_P (f) || FRAME_X_WINDOW (f)) | |
c3cee013 | 696 | #endif |
0fda9b75 | 697 | #ifdef HAVE_NTGUI |
c3cee013 | 698 | if (!FRAME_WINDOW_P (f) || FRAME_W32_WINDOW (f)) |
f00691a3 | 699 | #endif |
edfda783 AR |
700 | #ifdef HAVE_NS |
701 | if (!FRAME_NS_P (f) || FRAME_NS_WINDOW (f)) | |
82641697 GM |
702 | #endif |
703 | if (!realize_basic_faces (f)) | |
1088b922 | 704 | emacs_abort (); |
82641697 | 705 | } |
cb637678 | 706 | |
cb637678 | 707 | |
e2749141 | 708 | /* Free face cache of frame F. Called from delete_frame. */ |
cb637678 | 709 | |
82641697 | 710 | void |
971de7fb | 711 | free_frame_faces (struct frame *f) |
cb637678 | 712 | { |
82641697 | 713 | struct face_cache *face_cache = FRAME_FACE_CACHE (f); |
178c5d9c | 714 | |
82641697 GM |
715 | if (face_cache) |
716 | { | |
717 | free_face_cache (face_cache); | |
718 | FRAME_FACE_CACHE (f) = NULL; | |
719 | } | |
660ed669 | 720 | |
c3cee013 JR |
721 | #ifdef HAVE_WINDOW_SYSTEM |
722 | if (FRAME_WINDOW_P (f)) | |
195f798e | 723 | { |
354884c4 | 724 | struct image_cache *image_cache = FRAME_IMAGE_CACHE (f); |
82641697 | 725 | if (image_cache) |
195f798e | 726 | { |
82641697 GM |
727 | --image_cache->refcount; |
728 | if (image_cache->refcount == 0) | |
729 | free_image_cache (f); | |
195f798e RS |
730 | } |
731 | } | |
c3cee013 | 732 | #endif /* HAVE_WINDOW_SYSTEM */ |
cb637678 JB |
733 | } |
734 | ||
82641697 | 735 | |
8bd201d6 GM |
736 | /* Clear face caches, and recompute basic faces for frame F. Call |
737 | this after changing frame parameters on which those faces depend, | |
738 | or when realized faces have been freed due to changing attributes | |
739 | of named faces. */ | |
82641697 GM |
740 | |
741 | void | |
971de7fb | 742 | recompute_basic_faces (struct frame *f) |
cb637678 | 743 | { |
82641697 GM |
744 | if (FRAME_FACE_CACHE (f)) |
745 | { | |
8bd201d6 | 746 | clear_face_cache (0); |
18df9369 | 747 | if (!realize_basic_faces (f)) |
1088b922 | 748 | emacs_abort (); |
82641697 GM |
749 | } |
750 | } | |
cb637678 | 751 | |
cb637678 | 752 | |
82641697 GM |
753 | /* Clear the face caches of all frames. CLEAR_FONTS_P non-zero means |
754 | try to free unused fonts, too. */ | |
cb637678 | 755 | |
adfea139 | 756 | void |
971de7fb | 757 | clear_face_cache (int clear_fonts_p) |
cb637678 | 758 | { |
c3cee013 | 759 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 760 | Lisp_Object tail, frame; |
828e66d1 | 761 | |
82641697 GM |
762 | if (clear_fonts_p |
763 | || ++clear_font_table_count == CLEAR_FONT_TABLE_COUNT) | |
828e66d1 | 764 | { |
2dee4c0b KH |
765 | #if 0 |
766 | /* Not yet implemented. */ | |
767 | clear_font_cache (frame); | |
768 | #endif | |
769 | ||
82641697 GM |
770 | /* From time to time see if we can unload some fonts. This also |
771 | frees all realized faces on all frames. Fonts needed by | |
772 | faces will be loaded again when faces are realized again. */ | |
773 | clear_font_table_count = 0; | |
195f798e | 774 | |
82641697 | 775 | FOR_EACH_FRAME (tail, frame) |
195f798e | 776 | { |
d5641fc5 | 777 | struct frame *f = XFRAME (frame); |
c3cee013 | 778 | if (FRAME_WINDOW_P (f) |
82641697 | 779 | && FRAME_X_DISPLAY_INFO (f)->n_fonts > CLEAR_FONT_TABLE_NFONTS) |
d5641fc5 | 780 | free_all_realized_faces (frame); |
82641697 GM |
781 | } |
782 | } | |
783 | else | |
784 | { | |
785 | /* Clear GCs of realized faces. */ | |
786 | FOR_EACH_FRAME (tail, frame) | |
787 | { | |
071048a3 | 788 | struct frame *f = XFRAME (frame); |
c3cee013 | 789 | if (FRAME_WINDOW_P (f)) |
82641697 | 790 | clear_face_gcs (FRAME_FACE_CACHE (f)); |
195f798e | 791 | } |
a2bc5bdd | 792 | clear_image_caches (Qnil); |
828e66d1 | 793 | } |
c3cee013 | 794 | #endif /* HAVE_WINDOW_SYSTEM */ |
cd0bb842 RS |
795 | } |
796 | ||
82641697 | 797 | |
a7ca3326 | 798 | DEFUN ("clear-face-cache", Fclear_face_cache, Sclear_face_cache, 0, 1, 0, |
7ee72033 MB |
799 | doc: /* Clear face caches on all frames. |
800 | Optional THOROUGHLY non-nil means try to free unused fonts, too. */) | |
5842a27b | 801 | (Lisp_Object thoroughly) |
cd0bb842 | 802 | { |
6a3f48c7 | 803 | clear_face_cache (!NILP (thoroughly)); |
ae4b4ba5 GM |
804 | ++face_change_count; |
805 | ++windows_or_buffers_changed; | |
82641697 GM |
806 | return Qnil; |
807 | } | |
808 | ||
82641697 GM |
809 | \f |
810 | /*********************************************************************** | |
811 | X Pixmaps | |
812 | ***********************************************************************/ | |
813 | ||
c3cee013 | 814 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 815 | |
fef04523 | 816 | DEFUN ("bitmap-spec-p", Fbitmap_spec_p, Sbitmap_spec_p, 1, 1, 0, |
7ee72033 | 817 | doc: /* Value is non-nil if OBJECT is a valid bitmap specification. |
228299fa GM |
818 | A bitmap specification is either a string, a file name, or a list |
819 | \(WIDTH HEIGHT DATA) where WIDTH is the pixel width of the bitmap, | |
820 | HEIGHT is its height, and DATA is a string containing the bits of | |
821 | the pixmap. Bits are stored row by row, each row occupies | |
7ee72033 | 822 | \(WIDTH + 7)/8 bytes. */) |
5842a27b | 823 | (Lisp_Object object) |
82641697 | 824 | { |
c7ae3284 | 825 | int pixmap_p = 0; |
178c5d9c | 826 | |
c7ae3284 GM |
827 | if (STRINGP (object)) |
828 | /* If OBJECT is a string, it's a file name. */ | |
829 | pixmap_p = 1; | |
830 | else if (CONSP (object)) | |
831 | { | |
832 | /* Otherwise OBJECT must be (WIDTH HEIGHT DATA), WIDTH and | |
d311d28c | 833 | HEIGHT must be ints > 0, and DATA must be string large |
c7ae3284 GM |
834 | enough to hold a bitmap of the specified size. */ |
835 | Lisp_Object width, height, data; | |
836 | ||
837 | height = width = data = Qnil; | |
178c5d9c | 838 | |
c7ae3284 GM |
839 | if (CONSP (object)) |
840 | { | |
841 | width = XCAR (object); | |
842 | object = XCDR (object); | |
843 | if (CONSP (object)) | |
844 | { | |
845 | height = XCAR (object); | |
846 | object = XCDR (object); | |
847 | if (CONSP (object)) | |
848 | data = XCAR (object); | |
849 | } | |
850 | } | |
cd0bb842 | 851 | |
c8907a93 | 852 | if (STRINGP (data) |
d311d28c PE |
853 | && RANGED_INTEGERP (1, width, INT_MAX) |
854 | && RANGED_INTEGERP (1, height, INT_MAX)) | |
c7ae3284 | 855 | { |
d311d28c PE |
856 | int bytes_per_row = ((XINT (width) + BITS_PER_CHAR - 1) |
857 | / BITS_PER_CHAR); | |
c8907a93 | 858 | if (XINT (height) <= SBYTES (data) / bytes_per_row) |
c7ae3284 GM |
859 | pixmap_p = 1; |
860 | } | |
861 | } | |
862 | ||
863 | return pixmap_p ? Qt : Qnil; | |
cd0bb842 RS |
864 | } |
865 | ||
cd0bb842 | 866 | |
82641697 GM |
867 | /* Load a bitmap according to NAME (which is either a file name or a |
868 | pixmap spec) for use on frame F. Value is the bitmap_id (see | |
869 | xfns.c). If NAME is nil, return with a bitmap id of zero. If | |
870 | bitmap cannot be loaded, display a message saying so, and return | |
871 | zero. Store the bitmap width in *W_PTR and its height in *H_PTR, | |
872 | if these pointers are not null. */ | |
cd0bb842 | 873 | |
0766b489 | 874 | static ptrdiff_t |
b5f03016 AS |
875 | load_pixmap (FRAME_PTR f, Lisp_Object name, unsigned int *w_ptr, |
876 | unsigned int *h_ptr) | |
cd0bb842 | 877 | { |
0766b489 | 878 | ptrdiff_t bitmap_id; |
cd0bb842 RS |
879 | |
880 | if (NILP (name)) | |
82641697 | 881 | return 0; |
cd0bb842 | 882 | |
d5ddd1a3 | 883 | CHECK_TYPE (!NILP (Fbitmap_spec_p (name)), Qbitmap_spec_p, name); |
cd0bb842 | 884 | |
4d7e6e51 | 885 | block_input (); |
cd0bb842 RS |
886 | if (CONSP (name)) |
887 | { | |
888 | /* Decode a bitmap spec into a bitmap. */ | |
889 | ||
890 | int h, w; | |
891 | Lisp_Object bits; | |
892 | ||
893 | w = XINT (Fcar (name)); | |
894 | h = XINT (Fcar (Fcdr (name))); | |
895 | bits = Fcar (Fcdr (Fcdr (name))); | |
896 | ||
42a5b22f | 897 | bitmap_id = x_create_bitmap_from_data (f, SSDATA (bits), |
cd0bb842 RS |
898 | w, h); |
899 | } | |
900 | else | |
901 | { | |
902 | /* It must be a string -- a file name. */ | |
903 | bitmap_id = x_create_bitmap_from_file (f, name); | |
904 | } | |
4d7e6e51 | 905 | unblock_input (); |
cd0bb842 | 906 | |
7812a96f | 907 | if (bitmap_id < 0) |
82641697 | 908 | { |
2eb582ae | 909 | add_to_log ("Invalid or undefined bitmap `%s'", name, Qnil); |
82641697 | 910 | bitmap_id = 0; |
cd0bb842 | 911 | |
82641697 GM |
912 | if (w_ptr) |
913 | *w_ptr = 0; | |
914 | if (h_ptr) | |
915 | *h_ptr = 0; | |
916 | } | |
917 | else | |
918 | { | |
e509cfa6 | 919 | #ifdef GLYPH_DEBUG |
82641697 GM |
920 | ++npixmaps_allocated; |
921 | #endif | |
922 | if (w_ptr) | |
923 | *w_ptr = x_bitmap_width (f, bitmap_id); | |
924 | ||
925 | if (h_ptr) | |
926 | *h_ptr = x_bitmap_height (f, bitmap_id); | |
927 | } | |
cd0bb842 RS |
928 | |
929 | return bitmap_id; | |
cb637678 | 930 | } |
87485d6f | 931 | |
c3cee013 | 932 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 | 933 | |
87485d6f | 934 | |
82641697 | 935 | \f |
82641697 GM |
936 | /*********************************************************************** |
937 | X Colors | |
938 | ***********************************************************************/ | |
939 | ||
b35df831 MB |
940 | /* Parse RGB_LIST, and fill in the RGB fields of COLOR. |
941 | RGB_LIST should contain (at least) 3 lisp integers. | |
942 | Return 0 if there's a problem with RGB_LIST, otherwise return 1. */ | |
943 | ||
944 | static int | |
971de7fb | 945 | parse_rgb_list (Lisp_Object rgb_list, XColor *color) |
b35df831 MB |
946 | { |
947 | #define PARSE_RGB_LIST_FIELD(field) \ | |
948 | if (CONSP (rgb_list) && INTEGERP (XCAR (rgb_list))) \ | |
949 | { \ | |
950 | color->field = XINT (XCAR (rgb_list)); \ | |
951 | rgb_list = XCDR (rgb_list); \ | |
952 | } \ | |
953 | else \ | |
954 | return 0; | |
955 | ||
956 | PARSE_RGB_LIST_FIELD (red); | |
957 | PARSE_RGB_LIST_FIELD (green); | |
958 | PARSE_RGB_LIST_FIELD (blue); | |
959 | ||
960 | return 1; | |
961 | } | |
962 | ||
963 | ||
964 | /* Lookup on frame F the color described by the lisp string COLOR. | |
965 | The resulting tty color is returned in TTY_COLOR; if STD_COLOR is | |
966 | non-zero, then the `standard' definition of the same color is | |
967 | returned in it. */ | |
968 | ||
578098f3 | 969 | static bool |
b5f03016 AS |
970 | tty_lookup_color (struct frame *f, Lisp_Object color, XColor *tty_color, |
971 | XColor *std_color) | |
b35df831 MB |
972 | { |
973 | Lisp_Object frame, color_desc; | |
974 | ||
975 | if (!STRINGP (color) || NILP (Ffboundp (Qtty_color_desc))) | |
976 | return 0; | |
977 | ||
978 | XSETFRAME (frame, f); | |
979 | ||
980 | color_desc = call2 (Qtty_color_desc, color, frame); | |
981 | if (CONSP (color_desc) && CONSP (XCDR (color_desc))) | |
982 | { | |
983 | Lisp_Object rgb; | |
984 | ||
985 | if (! INTEGERP (XCAR (XCDR (color_desc)))) | |
986 | return 0; | |
987 | ||
988 | tty_color->pixel = XINT (XCAR (XCDR (color_desc))); | |
989 | ||
990 | rgb = XCDR (XCDR (color_desc)); | |
991 | if (! parse_rgb_list (rgb, tty_color)) | |
992 | return 0; | |
993 | ||
994 | /* Should we fill in STD_COLOR too? */ | |
995 | if (std_color) | |
996 | { | |
997 | /* Default STD_COLOR to the same as TTY_COLOR. */ | |
998 | *std_color = *tty_color; | |
999 | ||
1000 | /* Do a quick check to see if the returned descriptor is | |
1001 | actually _exactly_ equal to COLOR, otherwise we have to | |
1002 | lookup STD_COLOR separately. If it's impossible to lookup | |
1003 | a standard color, we just give up and use TTY_COLOR. */ | |
1004 | if ((!STRINGP (XCAR (color_desc)) | |
1005 | || NILP (Fstring_equal (color, XCAR (color_desc)))) | |
51f86bfc | 1006 | && !NILP (Ffboundp (Qtty_color_standard_values))) |
b35df831 MB |
1007 | { |
1008 | /* Look up STD_COLOR separately. */ | |
1009 | rgb = call1 (Qtty_color_standard_values, color); | |
1010 | if (! parse_rgb_list (rgb, std_color)) | |
1011 | return 0; | |
1012 | } | |
1013 | } | |
1014 | ||
1015 | return 1; | |
1016 | } | |
1017 | else if (NILP (Fsymbol_value (intern ("tty-defined-color-alist")))) | |
1018 | /* We were called early during startup, and the colors are not | |
1019 | yet set up in tty-defined-color-alist. Don't return a failure | |
1020 | indication, since this produces the annoying "Unable to | |
1021 | load color" messages in the *Messages* buffer. */ | |
1022 | return 1; | |
1023 | else | |
1024 | /* tty-color-desc seems to have returned a bad value. */ | |
1025 | return 0; | |
1026 | } | |
1027 | ||
2d764c78 | 1028 | /* A version of defined_color for non-X frames. */ |
08dc08dc | 1029 | |
578098f3 | 1030 | static bool |
eec47d6b | 1031 | tty_defined_color (struct frame *f, const char *color_name, |
578098f3 | 1032 | XColor *color_def, bool alloc) |
2d764c78 | 1033 | { |
578098f3 | 1034 | bool status = 1; |
2d764c78 | 1035 | |
b35df831 | 1036 | /* Defaults. */ |
177c0ea7 | 1037 | color_def->pixel = FACE_TTY_DEFAULT_COLOR; |
b35df831 MB |
1038 | color_def->red = 0; |
1039 | color_def->blue = 0; | |
1040 | color_def->green = 0; | |
a61c12d5 | 1041 | |
b35df831 | 1042 | if (*color_name) |
3062711f | 1043 | status = tty_lookup_color (f, build_string (color_name), color_def, NULL); |
b35df831 MB |
1044 | |
1045 | if (color_def->pixel == FACE_TTY_DEFAULT_COLOR && *color_name) | |
f9d2fdc4 EZ |
1046 | { |
1047 | if (strcmp (color_name, "unspecified-fg") == 0) | |
b35df831 | 1048 | color_def->pixel = FACE_TTY_DEFAULT_FG_COLOR; |
f9d2fdc4 | 1049 | else if (strcmp (color_name, "unspecified-bg") == 0) |
b35df831 | 1050 | color_def->pixel = FACE_TTY_DEFAULT_BG_COLOR; |
f9d2fdc4 EZ |
1051 | } |
1052 | ||
b35df831 | 1053 | if (color_def->pixel != FACE_TTY_DEFAULT_COLOR) |
3b451f74 EZ |
1054 | status = 1; |
1055 | ||
2d764c78 EZ |
1056 | return status; |
1057 | } | |
1058 | ||
08dc08dc GM |
1059 | |
1060 | /* Decide if color named COLOR_NAME is valid for the display | |
1061 | associated with the frame F; if so, return the rgb values in | |
578098f3 | 1062 | COLOR_DEF. If ALLOC, allocate a new colormap cell. |
2d764c78 EZ |
1063 | |
1064 | This does the right thing for any type of frame. */ | |
08dc08dc | 1065 | |
578098f3 | 1066 | static bool |
b5f03016 | 1067 | defined_color (struct frame *f, const char *color_name, XColor *color_def, |
578098f3 | 1068 | bool alloc) |
2d764c78 EZ |
1069 | { |
1070 | if (!FRAME_WINDOW_P (f)) | |
1071 | return tty_defined_color (f, color_name, color_def, alloc); | |
82641697 | 1072 | #ifdef HAVE_X_WINDOWS |
2d764c78 EZ |
1073 | else if (FRAME_X_P (f)) |
1074 | return x_defined_color (f, color_name, color_def, alloc); | |
1075 | #endif | |
0fda9b75 | 1076 | #ifdef HAVE_NTGUI |
2d764c78 | 1077 | else if (FRAME_W32_P (f)) |
2d764c78 EZ |
1078 | return w32_defined_color (f, color_name, color_def, alloc); |
1079 | #endif | |
edfda783 AR |
1080 | #ifdef HAVE_NS |
1081 | else if (FRAME_NS_P (f)) | |
1082 | return ns_defined_color (f, color_name, color_def, alloc, 1); | |
2d764c78 EZ |
1083 | #endif |
1084 | else | |
1088b922 | 1085 | emacs_abort (); |
2d764c78 EZ |
1086 | } |
1087 | ||
08dc08dc GM |
1088 | |
1089 | /* Given the index IDX of a tty color on frame F, return its name, a | |
1090 | Lisp string. */ | |
2d764c78 EZ |
1091 | |
1092 | Lisp_Object | |
971de7fb | 1093 | tty_color_name (struct frame *f, int idx) |
2d764c78 | 1094 | { |
2d764c78 EZ |
1095 | if (idx >= 0 && !NILP (Ffboundp (Qtty_color_by_index))) |
1096 | { | |
a61c12d5 EZ |
1097 | Lisp_Object frame; |
1098 | Lisp_Object coldesc; | |
1099 | ||
1100 | XSETFRAME (frame, f); | |
1101 | coldesc = call2 (Qtty_color_by_index, make_number (idx), frame); | |
2d764c78 EZ |
1102 | |
1103 | if (!NILP (coldesc)) | |
1104 | return XCAR (coldesc); | |
1105 | } | |
1106 | #ifdef MSDOS | |
1107 | /* We can have an MSDOG frame under -nw for a short window of | |
1108 | opportunity before internal_terminal_init is called. DTRT. */ | |
1109 | if (FRAME_MSDOS_P (f) && !inhibit_window_system) | |
1110 | return msdos_stdcolor_name (idx); | |
1111 | #endif | |
1112 | ||
ef917393 EZ |
1113 | if (idx == FACE_TTY_DEFAULT_FG_COLOR) |
1114 | return build_string (unspecified_fg); | |
1115 | if (idx == FACE_TTY_DEFAULT_BG_COLOR) | |
1116 | return build_string (unspecified_bg); | |
c3cee013 | 1117 | |
ef917393 | 1118 | return Qunspecified; |
2d764c78 | 1119 | } |
82641697 | 1120 | |
08dc08dc | 1121 | |
82641697 | 1122 | /* Return non-zero if COLOR_NAME is a shade of gray (or white or |
71433d39 RS |
1123 | black) on frame F. |
1124 | ||
1125 | The criterion implemented here is not a terribly sophisticated one. */ | |
82641697 GM |
1126 | |
1127 | static int | |
eec47d6b | 1128 | face_color_gray_p (struct frame *f, const char *color_name) |
82641697 GM |
1129 | { |
1130 | XColor color; | |
1131 | int gray_p; | |
1132 | ||
1133 | if (defined_color (f, color_name, &color, 0)) | |
e4769531 | 1134 | gray_p = (/* Any color sufficiently close to black counts as gray. */ |
71433d39 RS |
1135 | (color.red < 5000 && color.green < 5000 && color.blue < 5000) |
1136 | || | |
1ea40aa2 | 1137 | ((eabs (color.red - color.green) |
71433d39 | 1138 | < max (color.red, color.green) / 20) |
1ea40aa2 | 1139 | && (eabs (color.green - color.blue) |
71433d39 | 1140 | < max (color.green, color.blue) / 20) |
1ea40aa2 | 1141 | && (eabs (color.blue - color.red) |
71433d39 | 1142 | < max (color.blue, color.red) / 20))); |
87485d6f | 1143 | else |
82641697 | 1144 | gray_p = 0; |
178c5d9c | 1145 | |
82641697 | 1146 | return gray_p; |
87485d6f | 1147 | } |
87485d6f | 1148 | |
cb637678 | 1149 | |
82641697 GM |
1150 | /* Return non-zero if color COLOR_NAME can be displayed on frame F. |
1151 | BACKGROUND_P non-zero means the color will be used as background | |
1152 | color. */ | |
1153 | ||
1154 | static int | |
b5f03016 AS |
1155 | face_color_supported_p (struct frame *f, const char *color_name, |
1156 | int background_p) | |
82641697 GM |
1157 | { |
1158 | Lisp_Object frame; | |
2d764c78 | 1159 | XColor not_used; |
82641697 GM |
1160 | |
1161 | XSETFRAME (frame, f); | |
6b61353c | 1162 | return |
6a46b96b | 1163 | #ifdef HAVE_WINDOW_SYSTEM |
6b61353c KH |
1164 | FRAME_WINDOW_P (f) |
1165 | ? (!NILP (Fxw_display_color_p (frame)) | |
05131107 JR |
1166 | || xstrcasecmp (color_name, "black") == 0 |
1167 | || xstrcasecmp (color_name, "white") == 0 | |
6b61353c KH |
1168 | || (background_p |
1169 | && face_color_gray_p (f, color_name)) | |
1170 | || (!NILP (Fx_display_grayscale_p (frame)) | |
1171 | && face_color_gray_p (f, color_name))) | |
1172 | : | |
1173 | #endif | |
1174 | tty_defined_color (f, color_name, ¬_used, 0); | |
2d764c78 | 1175 | } |
82641697 GM |
1176 | |
1177 | ||
da47150d | 1178 | DEFUN ("color-gray-p", Fcolor_gray_p, Scolor_gray_p, 1, 2, 0, |
7ee72033 | 1179 | doc: /* Return non-nil if COLOR is a shade of gray (or white or black). |
228299fa | 1180 | FRAME specifies the frame and thus the display for interpreting COLOR. |
7ee72033 | 1181 | If FRAME is nil or omitted, use the selected frame. */) |
5842a27b | 1182 | (Lisp_Object color, Lisp_Object frame) |
cb637678 | 1183 | { |
b7826503 | 1184 | CHECK_STRING (color); |
d9f07150 DA |
1185 | return (face_color_gray_p (decode_any_frame (frame), SSDATA (color)) |
1186 | ? Qt : Qnil); | |
82641697 | 1187 | } |
660ed669 | 1188 | |
fffc2367 | 1189 | |
da47150d | 1190 | DEFUN ("color-supported-p", Fcolor_supported_p, |
2e1bb1c3 | 1191 | Scolor_supported_p, 1, 3, 0, |
7ee72033 | 1192 | doc: /* Return non-nil if COLOR can be displayed on FRAME. |
228299fa | 1193 | BACKGROUND-P non-nil means COLOR is used as a background. |
fc820cc5 | 1194 | Otherwise, this function tells whether it can be used as a foreground. |
228299fa | 1195 | If FRAME is nil or omitted, use the selected frame. |
7ee72033 | 1196 | COLOR must be a valid color name. */) |
5842a27b | 1197 | (Lisp_Object color, Lisp_Object frame, Lisp_Object background_p) |
82641697 | 1198 | { |
b7826503 | 1199 | CHECK_STRING (color); |
d9f07150 DA |
1200 | return (face_color_supported_p (decode_any_frame (frame), |
1201 | SSDATA (color), !NILP (background_p)) | |
1202 | ? Qt : Qnil); | |
82641697 | 1203 | } |
7b37f67b | 1204 | |
08dc08dc | 1205 | |
82641697 GM |
1206 | /* Load color with name NAME for use by face FACE on frame F. |
1207 | TARGET_INDEX must be one of LFACE_FOREGROUND_INDEX, | |
1208 | LFACE_BACKGROUND_INDEX, LFACE_UNDERLINE_INDEX, LFACE_OVERLINE_INDEX, | |
1209 | LFACE_STRIKE_THROUGH_INDEX, or LFACE_BOX_INDEX. Value is the | |
1210 | pixel color. If color cannot be loaded, display a message, and | |
1211 | return the foreground, background or underline color of F, but | |
1212 | record that fact in flags of the face so that we don't try to free | |
1213 | these colors. */ | |
1214 | ||
44747bd0 | 1215 | unsigned long |
b5f03016 AS |
1216 | load_color (struct frame *f, struct face *face, Lisp_Object name, |
1217 | enum lface_attribute_index target_index) | |
82641697 GM |
1218 | { |
1219 | XColor color; | |
178c5d9c | 1220 | |
a54e2c05 DA |
1221 | eassert (STRINGP (name)); |
1222 | eassert (target_index == LFACE_FOREGROUND_INDEX | |
82641697 GM |
1223 | || target_index == LFACE_BACKGROUND_INDEX |
1224 | || target_index == LFACE_UNDERLINE_INDEX | |
1225 | || target_index == LFACE_OVERLINE_INDEX | |
1226 | || target_index == LFACE_STRIKE_THROUGH_INDEX | |
1227 | || target_index == LFACE_BOX_INDEX); | |
178c5d9c | 1228 | |
82641697 GM |
1229 | /* if the color map is full, defined_color will return a best match |
1230 | to the values in an existing cell. */ | |
42a5b22f | 1231 | if (!defined_color (f, SSDATA (name), &color, 1)) |
82641697 | 1232 | { |
2d764c78 | 1233 | add_to_log ("Unable to load color \"%s\"", name, Qnil); |
178c5d9c | 1234 | |
82641697 | 1235 | switch (target_index) |
1120eb5e | 1236 | { |
82641697 GM |
1237 | case LFACE_FOREGROUND_INDEX: |
1238 | face->foreground_defaulted_p = 1; | |
1239 | color.pixel = FRAME_FOREGROUND_PIXEL (f); | |
1240 | break; | |
178c5d9c | 1241 | |
82641697 GM |
1242 | case LFACE_BACKGROUND_INDEX: |
1243 | face->background_defaulted_p = 1; | |
1244 | color.pixel = FRAME_BACKGROUND_PIXEL (f); | |
1245 | break; | |
178c5d9c | 1246 | |
82641697 GM |
1247 | case LFACE_UNDERLINE_INDEX: |
1248 | face->underline_defaulted_p = 1; | |
1249 | color.pixel = FRAME_FOREGROUND_PIXEL (f); | |
1250 | break; | |
178c5d9c | 1251 | |
82641697 GM |
1252 | case LFACE_OVERLINE_INDEX: |
1253 | face->overline_color_defaulted_p = 1; | |
1254 | color.pixel = FRAME_FOREGROUND_PIXEL (f); | |
1120eb5e | 1255 | break; |
178c5d9c | 1256 | |
82641697 GM |
1257 | case LFACE_STRIKE_THROUGH_INDEX: |
1258 | face->strike_through_color_defaulted_p = 1; | |
1259 | color.pixel = FRAME_FOREGROUND_PIXEL (f); | |
1260 | break; | |
178c5d9c | 1261 | |
82641697 GM |
1262 | case LFACE_BOX_INDEX: |
1263 | face->box_color_defaulted_p = 1; | |
1264 | color.pixel = FRAME_FOREGROUND_PIXEL (f); | |
1265 | break; | |
1266 | ||
1267 | default: | |
1088b922 | 1268 | emacs_abort (); |
1120eb5e | 1269 | } |
82641697 | 1270 | } |
e509cfa6 | 1271 | #ifdef GLYPH_DEBUG |
82641697 GM |
1272 | else |
1273 | ++ncolors_allocated; | |
1274 | #endif | |
178c5d9c | 1275 | |
82641697 GM |
1276 | return color.pixel; |
1277 | } | |
1120eb5e | 1278 | |
08dc08dc | 1279 | |
c3cee013 | 1280 | #ifdef HAVE_WINDOW_SYSTEM |
1120eb5e | 1281 | |
82641697 GM |
1282 | /* Load colors for face FACE which is used on frame F. Colors are |
1283 | specified by slots LFACE_BACKGROUND_INDEX and LFACE_FOREGROUND_INDEX | |
1284 | of ATTRS. If the background color specified is not supported on F, | |
1285 | try to emulate gray colors with a stipple from Vface_default_stipple. */ | |
1286 | ||
1287 | static void | |
4973679b PE |
1288 | load_face_colors (struct frame *f, struct face *face, |
1289 | Lisp_Object attrs[LFACE_VECTOR_SIZE]) | |
82641697 GM |
1290 | { |
1291 | Lisp_Object fg, bg; | |
1292 | ||
1293 | bg = attrs[LFACE_BACKGROUND_INDEX]; | |
1294 | fg = attrs[LFACE_FOREGROUND_INDEX]; | |
1295 | ||
1296 | /* Swap colors if face is inverse-video. */ | |
1297 | if (EQ (attrs[LFACE_INVERSE_INDEX], Qt)) | |
1298 | { | |
1299 | Lisp_Object tmp; | |
1300 | tmp = fg; | |
1301 | fg = bg; | |
1302 | bg = tmp; | |
1303 | } | |
1304 | ||
1305 | /* Check for support for foreground, not for background because | |
1306 | face_color_supported_p is smart enough to know that grays are | |
1307 | "supported" as background because we are supposed to use stipple | |
1308 | for them. */ | |
42a5b22f | 1309 | if (!face_color_supported_p (f, SSDATA (bg), 0) |
fef04523 | 1310 | && !NILP (Fbitmap_spec_p (Vface_default_stipple))) |
82641697 GM |
1311 | { |
1312 | x_destroy_bitmap (f, face->stipple); | |
1313 | face->stipple = load_pixmap (f, Vface_default_stipple, | |
1314 | &face->pixmap_w, &face->pixmap_h); | |
1315 | } | |
82641697 | 1316 | |
be8a72f4 | 1317 | face->background = load_color (f, face, bg, LFACE_BACKGROUND_INDEX); |
82641697 | 1318 | face->foreground = load_color (f, face, fg, LFACE_FOREGROUND_INDEX); |
cb637678 JB |
1319 | } |
1320 | ||
660ed669 | 1321 | |
82641697 | 1322 | /* Free color PIXEL on frame F. */ |
cd0bb842 | 1323 | |
cb637678 | 1324 | void |
971de7fb | 1325 | unload_color (struct frame *f, long unsigned int pixel) |
cb637678 | 1326 | { |
c3cee013 | 1327 | #ifdef HAVE_X_WINDOWS |
30a7ac22 GM |
1328 | if (pixel != -1) |
1329 | { | |
4d7e6e51 | 1330 | block_input (); |
30a7ac22 | 1331 | x_free_colors (f, &pixel, 1); |
4d7e6e51 | 1332 | unblock_input (); |
30a7ac22 | 1333 | } |
c3cee013 | 1334 | #endif |
82641697 GM |
1335 | } |
1336 | ||
1337 | ||
1338 | /* Free colors allocated for FACE. */ | |
1339 | ||
1340 | static void | |
971de7fb | 1341 | free_face_colors (struct frame *f, struct face *face) |
82641697 | 1342 | { |
edfda783 | 1343 | /* PENDING(NS): need to do something here? */ |
c3cee013 | 1344 | #ifdef HAVE_X_WINDOWS |
28a072fe GM |
1345 | if (face->colors_copied_bitwise_p) |
1346 | return; | |
1347 | ||
4d7e6e51 | 1348 | block_input (); |
178c5d9c | 1349 | |
08dc08dc GM |
1350 | if (!face->foreground_defaulted_p) |
1351 | { | |
1352 | x_free_colors (f, &face->foreground, 1); | |
1353 | IF_DEBUG (--ncolors_allocated); | |
1354 | } | |
178c5d9c | 1355 | |
08dc08dc GM |
1356 | if (!face->background_defaulted_p) |
1357 | { | |
1358 | x_free_colors (f, &face->background, 1); | |
1359 | IF_DEBUG (--ncolors_allocated); | |
1360 | } | |
82641697 | 1361 | |
08dc08dc GM |
1362 | if (face->underline_p |
1363 | && !face->underline_defaulted_p) | |
1364 | { | |
1365 | x_free_colors (f, &face->underline_color, 1); | |
1366 | IF_DEBUG (--ncolors_allocated); | |
1367 | } | |
82641697 | 1368 | |
08dc08dc GM |
1369 | if (face->overline_p |
1370 | && !face->overline_color_defaulted_p) | |
1371 | { | |
1372 | x_free_colors (f, &face->overline_color, 1); | |
1373 | IF_DEBUG (--ncolors_allocated); | |
1374 | } | |
82641697 | 1375 | |
08dc08dc GM |
1376 | if (face->strike_through_p |
1377 | && !face->strike_through_color_defaulted_p) | |
1378 | { | |
1379 | x_free_colors (f, &face->strike_through_color, 1); | |
1380 | IF_DEBUG (--ncolors_allocated); | |
1381 | } | |
82641697 | 1382 | |
08dc08dc GM |
1383 | if (face->box != FACE_NO_BOX |
1384 | && !face->box_color_defaulted_p) | |
1385 | { | |
1386 | x_free_colors (f, &face->box_color, 1); | |
1387 | IF_DEBUG (--ncolors_allocated); | |
82641697 | 1388 | } |
08dc08dc | 1389 | |
4d7e6e51 | 1390 | unblock_input (); |
2d764c78 | 1391 | #endif /* HAVE_X_WINDOWS */ |
c3cee013 | 1392 | } |
08dc08dc | 1393 | |
c3cee013 | 1394 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
1395 | |
1396 | ||
1397 | \f | |
1398 | /*********************************************************************** | |
1399 | XLFD Font Names | |
1400 | ***********************************************************************/ | |
1401 | ||
1402 | /* An enumerator for each field of an XLFD font name. */ | |
1403 | ||
1404 | enum xlfd_field | |
1405 | { | |
1406 | XLFD_FOUNDRY, | |
1407 | XLFD_FAMILY, | |
1408 | XLFD_WEIGHT, | |
1409 | XLFD_SLANT, | |
1410 | XLFD_SWIDTH, | |
1411 | XLFD_ADSTYLE, | |
1412 | XLFD_PIXEL_SIZE, | |
1413 | XLFD_POINT_SIZE, | |
1414 | XLFD_RESX, | |
1415 | XLFD_RESY, | |
1416 | XLFD_SPACING, | |
1417 | XLFD_AVGWIDTH, | |
1418 | XLFD_REGISTRY, | |
1419 | XLFD_ENCODING, | |
1420 | XLFD_LAST | |
1421 | }; | |
1422 | ||
178c5d9c | 1423 | /* An enumerator for each possible slant value of a font. Taken from |
82641697 GM |
1424 | the XLFD specification. */ |
1425 | ||
1426 | enum xlfd_slant | |
1427 | { | |
1428 | XLFD_SLANT_UNKNOWN, | |
1429 | XLFD_SLANT_ROMAN, | |
1430 | XLFD_SLANT_ITALIC, | |
1431 | XLFD_SLANT_OBLIQUE, | |
1432 | XLFD_SLANT_REVERSE_ITALIC, | |
1433 | XLFD_SLANT_REVERSE_OBLIQUE, | |
1434 | XLFD_SLANT_OTHER | |
1435 | }; | |
1436 | ||
1437 | /* Relative font weight according to XLFD documentation. */ | |
1438 | ||
1439 | enum xlfd_weight | |
1440 | { | |
1441 | XLFD_WEIGHT_UNKNOWN, | |
1442 | XLFD_WEIGHT_ULTRA_LIGHT, /* 10 */ | |
1443 | XLFD_WEIGHT_EXTRA_LIGHT, /* 20 */ | |
1444 | XLFD_WEIGHT_LIGHT, /* 30 */ | |
1445 | XLFD_WEIGHT_SEMI_LIGHT, /* 40: SemiLight, Book, ... */ | |
1446 | XLFD_WEIGHT_MEDIUM, /* 50: Medium, Normal, Regular, ... */ | |
1447 | XLFD_WEIGHT_SEMI_BOLD, /* 60: SemiBold, DemiBold, ... */ | |
1448 | XLFD_WEIGHT_BOLD, /* 70: Bold, ... */ | |
1449 | XLFD_WEIGHT_EXTRA_BOLD, /* 80: ExtraBold, Heavy, ... */ | |
1450 | XLFD_WEIGHT_ULTRA_BOLD /* 90: UltraBold, Black, ... */ | |
1451 | }; | |
1452 | ||
1453 | /* Relative proportionate width. */ | |
1454 | ||
1455 | enum xlfd_swidth | |
1456 | { | |
1457 | XLFD_SWIDTH_UNKNOWN, | |
1458 | XLFD_SWIDTH_ULTRA_CONDENSED, /* 10 */ | |
1459 | XLFD_SWIDTH_EXTRA_CONDENSED, /* 20 */ | |
1460 | XLFD_SWIDTH_CONDENSED, /* 30: Condensed, Narrow, Compressed, ... */ | |
1461 | XLFD_SWIDTH_SEMI_CONDENSED, /* 40: semicondensed */ | |
1462 | XLFD_SWIDTH_MEDIUM, /* 50: Medium, Normal, Regular, ... */ | |
1463 | XLFD_SWIDTH_SEMI_EXPANDED, /* 60: SemiExpanded, DemiExpanded, ... */ | |
1464 | XLFD_SWIDTH_EXPANDED, /* 70: Expanded... */ | |
1465 | XLFD_SWIDTH_EXTRA_EXPANDED, /* 80: ExtraExpanded, Wide... */ | |
1466 | XLFD_SWIDTH_ULTRA_EXPANDED /* 90: UltraExpanded... */ | |
1467 | }; | |
1468 | ||
82641697 GM |
1469 | /* Order by which font selection chooses fonts. The default values |
1470 | mean `first, find a best match for the font width, then for the | |
1471 | font height, then for weight, then for slant.' This variable can be | |
1472 | set via set-face-font-sort-order. */ | |
1473 | ||
1474 | static int font_sort_order[4]; | |
82641697 | 1475 | |
2dee4c0b KH |
1476 | #ifdef HAVE_WINDOW_SYSTEM |
1477 | ||
2dee4c0b | 1478 | static enum font_property_index font_props_for_sorting[FONT_SIZE_INDEX]; |
82641697 | 1479 | |
2dee4c0b | 1480 | static int |
971de7fb | 1481 | compare_fonts_by_sort_order (const void *v1, const void *v2) |
2dee4c0b | 1482 | { |
98c6f1e3 PE |
1483 | Lisp_Object const *p1 = v1; |
1484 | Lisp_Object const *p2 = v2; | |
1485 | Lisp_Object font1 = *p1; | |
1486 | Lisp_Object font2 = *p2; | |
2dee4c0b | 1487 | int i; |
d5ab09cd | 1488 | |
2dee4c0b KH |
1489 | for (i = 0; i < FONT_SIZE_INDEX; i++) |
1490 | { | |
1491 | enum font_property_index idx = font_props_for_sorting[i]; | |
1492 | Lisp_Object val1 = AREF (font1, idx), val2 = AREF (font2, idx); | |
1493 | int result; | |
82641697 | 1494 | |
2dee4c0b KH |
1495 | if (idx <= FONT_REGISTRY_INDEX) |
1496 | { | |
1497 | if (STRINGP (val1)) | |
42a5b22f | 1498 | result = STRINGP (val2) ? strcmp (SSDATA (val1), SSDATA (val2)) : -1; |
2dee4c0b KH |
1499 | else |
1500 | result = STRINGP (val2) ? 1 : 0; | |
1501 | } | |
1502 | else | |
1503 | { | |
1504 | if (INTEGERP (val1)) | |
d311d28c PE |
1505 | result = (INTEGERP (val2) && XINT (val1) >= XINT (val2) |
1506 | ? XINT (val1) > XINT (val2) | |
1507 | : -1); | |
2dee4c0b KH |
1508 | else |
1509 | result = INTEGERP (val2) ? 1 : 0; | |
1510 | } | |
1511 | if (result) | |
1512 | return result; | |
1513 | } | |
1514 | return 0; | |
82641697 GM |
1515 | } |
1516 | ||
2dee4c0b KH |
1517 | DEFUN ("x-family-fonts", Fx_family_fonts, Sx_family_fonts, 0, 2, 0, |
1518 | doc: /* Return a list of available fonts of family FAMILY on FRAME. | |
1519 | If FAMILY is omitted or nil, list all families. | |
1520 | Otherwise, FAMILY must be a string, possibly containing wildcards | |
1521 | `?' and `*'. | |
1522 | If FRAME is omitted or nil, use the selected frame. | |
1523 | Each element of the result is a vector [FAMILY WIDTH POINT-SIZE WEIGHT | |
1524 | SLANT FIXED-P FULL REGISTRY-AND-ENCODING]. | |
1525 | FAMILY is the font family name. POINT-SIZE is the size of the | |
1526 | font in 1/10 pt. WIDTH, WEIGHT, and SLANT are symbols describing the | |
1527 | width, weight and slant of the font. These symbols are the same as for | |
1528 | face attributes. FIXED-P is non-nil if the font is fixed-pitch. | |
1529 | FULL is the full name of the font, and REGISTRY-AND-ENCODING is a string | |
1530 | giving the registry and encoding of the font. | |
1531 | The result list is sorted according to the current setting of | |
1532 | the face font sort order. */) | |
5842a27b | 1533 | (Lisp_Object family, Lisp_Object frame) |
2dee4c0b | 1534 | { |
022eef62 | 1535 | Lisp_Object font_spec, list, *drivers, vec; |
d311d28c PE |
1536 | ptrdiff_t i, nfonts; |
1537 | EMACS_INT ndrivers; | |
2dee4c0b | 1538 | Lisp_Object result; |
d311d28c | 1539 | USE_SAFE_ALLOCA; |
82641697 | 1540 | |
62057df6 KH |
1541 | if (NILP (frame)) |
1542 | frame = selected_frame; | |
1543 | CHECK_LIVE_FRAME (frame); | |
1544 | ||
1545 | font_spec = Ffont_spec (0, NULL); | |
2dee4c0b KH |
1546 | if (!NILP (family)) |
1547 | { | |
1548 | CHECK_STRING (family); | |
6b1f69f1 | 1549 | font_parse_family_registry (family, Qnil, font_spec); |
2dee4c0b | 1550 | } |
022eef62 CY |
1551 | |
1552 | list = font_list_entities (frame, font_spec); | |
1553 | if (NILP (list)) | |
2dee4c0b | 1554 | return Qnil; |
022eef62 CY |
1555 | |
1556 | /* Sort the font entities. */ | |
1557 | for (i = 0; i < 4; i++) | |
1558 | switch (font_sort_order[i]) | |
1559 | { | |
1560 | case XLFD_SWIDTH: | |
1561 | font_props_for_sorting[i] = FONT_WIDTH_INDEX; break; | |
1562 | case XLFD_POINT_SIZE: | |
1563 | font_props_for_sorting[i] = FONT_SIZE_INDEX; break; | |
1564 | case XLFD_WEIGHT: | |
1565 | font_props_for_sorting[i] = FONT_WEIGHT_INDEX; break; | |
1566 | default: | |
1567 | font_props_for_sorting[i] = FONT_SLANT_INDEX; break; | |
1568 | } | |
1569 | font_props_for_sorting[i++] = FONT_FAMILY_INDEX; | |
1570 | font_props_for_sorting[i++] = FONT_FOUNDRY_INDEX; | |
1571 | font_props_for_sorting[i++] = FONT_ADSTYLE_INDEX; | |
1572 | font_props_for_sorting[i++] = FONT_REGISTRY_INDEX; | |
1573 | ||
1574 | ndrivers = XINT (Flength (list)); | |
d311d28c | 1575 | SAFE_ALLOCA_LISP (drivers, ndrivers); |
022eef62 CY |
1576 | for (i = 0; i < ndrivers; i++, list = XCDR (list)) |
1577 | drivers[i] = XCAR (list); | |
1578 | vec = Fvconcat (ndrivers, drivers); | |
1579 | nfonts = ASIZE (vec); | |
1580 | ||
663e2b3f | 1581 | qsort (XVECTOR (vec)->contents, nfonts, word_size, |
022eef62 | 1582 | compare_fonts_by_sort_order); |
82641697 | 1583 | |
2dee4c0b KH |
1584 | result = Qnil; |
1585 | for (i = nfonts - 1; i >= 0; --i) | |
1586 | { | |
1587 | Lisp_Object font = AREF (vec, i); | |
25721f5b | 1588 | Lisp_Object v = make_uninit_vector (8); |
2dee4c0b KH |
1589 | int point; |
1590 | Lisp_Object spacing; | |
1591 | ||
1592 | ASET (v, 0, AREF (font, FONT_FAMILY_INDEX)); | |
1593 | ASET (v, 1, FONT_WIDTH_SYMBOLIC (font)); | |
1594 | point = PIXEL_TO_POINT (XINT (AREF (font, FONT_SIZE_INDEX)) * 10, | |
62057df6 | 1595 | XFRAME (frame)->resy); |
2dee4c0b KH |
1596 | ASET (v, 2, make_number (point)); |
1597 | ASET (v, 3, FONT_WEIGHT_SYMBOLIC (font)); | |
1598 | ASET (v, 4, FONT_SLANT_SYMBOLIC (font)); | |
1599 | spacing = Ffont_get (font, QCspacing); | |
1600 | ASET (v, 5, (NILP (spacing) || EQ (spacing, Qp)) ? Qnil : Qt); | |
62057df6 | 1601 | ASET (v, 6, Ffont_xlfd_name (font, Qnil)); |
2dee4c0b | 1602 | ASET (v, 7, AREF (font, FONT_REGISTRY_INDEX)); |
82641697 | 1603 | |
2dee4c0b KH |
1604 | result = Fcons (v, result); |
1605 | } | |
82641697 | 1606 | |
d311d28c | 1607 | SAFE_FREE (); |
2dee4c0b | 1608 | return result; |
82641697 GM |
1609 | } |
1610 | ||
2dee4c0b KH |
1611 | DEFUN ("x-list-fonts", Fx_list_fonts, Sx_list_fonts, 1, 5, 0, |
1612 | doc: /* Return a list of the names of available fonts matching PATTERN. | |
1613 | If optional arguments FACE and FRAME are specified, return only fonts | |
1614 | the same size as FACE on FRAME. | |
21bdb81a CY |
1615 | |
1616 | PATTERN should be a string containing a font name in the XLFD, | |
1617 | Fontconfig, or GTK format. A font name given in the XLFD format may | |
1618 | contain wildcard characters: | |
2dee4c0b KH |
1619 | the * character matches any substring, and |
1620 | the ? character matches any single character. | |
1621 | PATTERN is case-insensitive. | |
2dee4c0b KH |
1622 | |
1623 | The return value is a list of strings, suitable as arguments to | |
d5ab09cd | 1624 | `set-face-font'. |
82641697 | 1625 | |
2dee4c0b KH |
1626 | Fonts Emacs can't use may or may not be excluded |
1627 | even if they match PATTERN and FACE. | |
1628 | The optional fourth argument MAXIMUM sets a limit on how many | |
1629 | fonts to match. The first MAXIMUM fonts are reported. | |
1630 | The optional fifth argument WIDTH, if specified, is a number of columns | |
1631 | occupied by a character of a font. In that case, return only fonts | |
1632 | the WIDTH times as wide as FACE on FRAME. */) | |
b5f03016 AS |
1633 | (Lisp_Object pattern, Lisp_Object face, Lisp_Object frame, |
1634 | Lisp_Object maximum, Lisp_Object width) | |
82641697 | 1635 | { |
2dee4c0b | 1636 | struct frame *f; |
1e9966ea | 1637 | int size, avgwidth IF_LINT (= 0); |
82641697 | 1638 | |
2dee4c0b KH |
1639 | check_x (); |
1640 | CHECK_STRING (pattern); | |
82641697 | 1641 | |
2dee4c0b KH |
1642 | if (! NILP (maximum)) |
1643 | CHECK_NATNUM (maximum); | |
82641697 | 1644 | |
2dee4c0b KH |
1645 | if (!NILP (width)) |
1646 | CHECK_NUMBER (width); | |
82641697 | 1647 | |
2dee4c0b KH |
1648 | /* We can't simply call check_x_frame because this function may be |
1649 | called before any frame is created. */ | |
d9f07150 | 1650 | f = decode_live_frame (frame); |
2dee4c0b KH |
1651 | if (! FRAME_WINDOW_P (f)) |
1652 | { | |
1653 | /* Perhaps we have not yet created any frame. */ | |
1654 | f = NULL; | |
1655 | frame = Qnil; | |
1656 | face = Qnil; | |
1657 | } | |
d9f07150 DA |
1658 | else |
1659 | XSETFRAME (frame, f); | |
82641697 | 1660 | |
2dee4c0b | 1661 | /* Determine the width standard for comparison with the fonts we find. */ |
82641697 | 1662 | |
2dee4c0b KH |
1663 | if (NILP (face)) |
1664 | size = 0; | |
1665 | else | |
1666 | { | |
1667 | /* This is of limited utility since it works with character | |
1668 | widths. Keep it for compatibility. --gerd. */ | |
1669 | int face_id = lookup_named_face (f, face, 0); | |
071048a3 PE |
1670 | struct face *width_face = (face_id < 0 |
1671 | ? NULL | |
1672 | : FACE_FROM_ID (f, face_id)); | |
82641697 | 1673 | |
071048a3 | 1674 | if (width_face && width_face->font) |
2dee4c0b | 1675 | { |
071048a3 PE |
1676 | size = width_face->font->pixel_size; |
1677 | avgwidth = width_face->font->average_width; | |
2dee4c0b KH |
1678 | } |
1679 | else | |
1680 | { | |
1681 | size = FRAME_FONT (f)->pixel_size; | |
1682 | avgwidth = FRAME_FONT (f)->average_width; | |
1683 | } | |
1684 | if (!NILP (width)) | |
1685 | avgwidth *= XINT (width); | |
1686 | } | |
82641697 | 1687 | |
2dee4c0b KH |
1688 | { |
1689 | Lisp_Object font_spec; | |
a4eec626 | 1690 | Lisp_Object args[2], tail; |
82641697 | 1691 | |
2dee4c0b | 1692 | font_spec = font_spec_from_name (pattern); |
21bdb81a CY |
1693 | if (!FONTP (font_spec)) |
1694 | signal_error ("Invalid font name", pattern); | |
1695 | ||
2dee4c0b KH |
1696 | if (size) |
1697 | { | |
1698 | Ffont_put (font_spec, QCsize, make_number (size)); | |
1699 | Ffont_put (font_spec, QCavgwidth, make_number (avgwidth)); | |
1700 | } | |
34e97272 | 1701 | args[0] = Flist_fonts (font_spec, frame, maximum, font_spec); |
a4eec626 | 1702 | for (tail = args[0]; CONSP (tail); tail = XCDR (tail)) |
493dcf2c KH |
1703 | { |
1704 | Lisp_Object font_entity; | |
1705 | ||
1706 | font_entity = XCAR (tail); | |
1707 | if ((NILP (AREF (font_entity, FONT_SIZE_INDEX)) | |
1708 | || XINT (AREF (font_entity, FONT_SIZE_INDEX)) == 0) | |
1709 | && ! NILP (AREF (font_spec, FONT_SIZE_INDEX))) | |
1710 | { | |
1711 | /* This is a scalable font. For backward compatibility, | |
1712 | we set the specified size. */ | |
92470028 | 1713 | font_entity = copy_font_spec (font_entity); |
493dcf2c KH |
1714 | ASET (font_entity, FONT_SIZE_INDEX, |
1715 | AREF (font_spec, FONT_SIZE_INDEX)); | |
1716 | } | |
1717 | XSETCAR (tail, Ffont_xlfd_name (font_entity, Qnil)); | |
1718 | } | |
2dee4c0b KH |
1719 | if (NILP (frame)) |
1720 | /* We don't have to check fontsets. */ | |
1721 | return args[0]; | |
1722 | args[1] = list_fontsets (f, pattern, size); | |
1723 | return Fnconc (2, args); | |
1724 | } | |
82641697 | 1725 | } |
178c5d9c | 1726 | |
2dee4c0b | 1727 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 | 1728 | |
82641697 GM |
1729 | \f |
1730 | /*********************************************************************** | |
1731 | Lisp Faces | |
1732 | ***********************************************************************/ | |
1733 | ||
a08332c0 GM |
1734 | /* Access face attributes of face LFACE, a Lisp vector. */ |
1735 | ||
1736 | #define LFACE_FAMILY(LFACE) AREF ((LFACE), LFACE_FAMILY_INDEX) | |
53aaf1e2 | 1737 | #define LFACE_FOUNDRY(LFACE) AREF ((LFACE), LFACE_FOUNDRY_INDEX) |
a08332c0 GM |
1738 | #define LFACE_HEIGHT(LFACE) AREF ((LFACE), LFACE_HEIGHT_INDEX) |
1739 | #define LFACE_WEIGHT(LFACE) AREF ((LFACE), LFACE_WEIGHT_INDEX) | |
1740 | #define LFACE_SLANT(LFACE) AREF ((LFACE), LFACE_SLANT_INDEX) | |
1741 | #define LFACE_UNDERLINE(LFACE) AREF ((LFACE), LFACE_UNDERLINE_INDEX) | |
1742 | #define LFACE_INVERSE(LFACE) AREF ((LFACE), LFACE_INVERSE_INDEX) | |
1743 | #define LFACE_FOREGROUND(LFACE) AREF ((LFACE), LFACE_FOREGROUND_INDEX) | |
1744 | #define LFACE_BACKGROUND(LFACE) AREF ((LFACE), LFACE_BACKGROUND_INDEX) | |
1745 | #define LFACE_STIPPLE(LFACE) AREF ((LFACE), LFACE_STIPPLE_INDEX) | |
1746 | #define LFACE_SWIDTH(LFACE) AREF ((LFACE), LFACE_SWIDTH_INDEX) | |
1747 | #define LFACE_OVERLINE(LFACE) AREF ((LFACE), LFACE_OVERLINE_INDEX) | |
1748 | #define LFACE_STRIKE_THROUGH(LFACE) AREF ((LFACE), LFACE_STRIKE_THROUGH_INDEX) | |
1749 | #define LFACE_BOX(LFACE) AREF ((LFACE), LFACE_BOX_INDEX) | |
1750 | #define LFACE_FONT(LFACE) AREF ((LFACE), LFACE_FONT_INDEX) | |
1751 | #define LFACE_INHERIT(LFACE) AREF ((LFACE), LFACE_INHERIT_INDEX) | |
763bc839 | 1752 | #define LFACE_FONTSET(LFACE) AREF ((LFACE), LFACE_FONTSET_INDEX) |
82641697 GM |
1753 | |
1754 | /* Non-zero if LFACE is a Lisp face. A Lisp face is a vector of size | |
1755 | LFACE_VECTOR_SIZE which has the symbol `face' in slot 0. */ | |
1756 | ||
1757 | #define LFACEP(LFACE) \ | |
1758 | (VECTORP (LFACE) \ | |
77b37c05 | 1759 | && ASIZE (LFACE) == LFACE_VECTOR_SIZE \ |
a08332c0 | 1760 | && EQ (AREF (LFACE, 0), Qface)) |
82641697 | 1761 | |
178c5d9c | 1762 | |
e509cfa6 | 1763 | #ifdef GLYPH_DEBUG |
82641697 GM |
1764 | |
1765 | /* Check consistency of Lisp face attribute vector ATTRS. */ | |
1766 | ||
1767 | static void | |
4973679b | 1768 | check_lface_attrs (Lisp_Object attrs[LFACE_VECTOR_SIZE]) |
82641697 | 1769 | { |
a54e2c05 | 1770 | eassert (UNSPECIFIEDP (attrs[LFACE_FAMILY_INDEX]) |
2ff10663 | 1771 | || IGNORE_DEFFACE_P (attrs[LFACE_FAMILY_INDEX]) |
82641697 | 1772 | || STRINGP (attrs[LFACE_FAMILY_INDEX])); |
a54e2c05 | 1773 | eassert (UNSPECIFIEDP (attrs[LFACE_FOUNDRY_INDEX]) |
53aaf1e2 KH |
1774 | || IGNORE_DEFFACE_P (attrs[LFACE_FOUNDRY_INDEX]) |
1775 | || STRINGP (attrs[LFACE_FOUNDRY_INDEX])); | |
a54e2c05 | 1776 | eassert (UNSPECIFIEDP (attrs[LFACE_SWIDTH_INDEX]) |
2ff10663 | 1777 | || IGNORE_DEFFACE_P (attrs[LFACE_SWIDTH_INDEX]) |
82641697 | 1778 | || SYMBOLP (attrs[LFACE_SWIDTH_INDEX])); |
a54e2c05 | 1779 | eassert (UNSPECIFIEDP (attrs[LFACE_HEIGHT_INDEX]) |
2ff10663 | 1780 | || IGNORE_DEFFACE_P (attrs[LFACE_HEIGHT_INDEX]) |
2c20458f MB |
1781 | || INTEGERP (attrs[LFACE_HEIGHT_INDEX]) |
1782 | || FLOATP (attrs[LFACE_HEIGHT_INDEX]) | |
1783 | || FUNCTIONP (attrs[LFACE_HEIGHT_INDEX])); | |
a54e2c05 | 1784 | eassert (UNSPECIFIEDP (attrs[LFACE_WEIGHT_INDEX]) |
2ff10663 | 1785 | || IGNORE_DEFFACE_P (attrs[LFACE_WEIGHT_INDEX]) |
82641697 | 1786 | || SYMBOLP (attrs[LFACE_WEIGHT_INDEX])); |
a54e2c05 | 1787 | eassert (UNSPECIFIEDP (attrs[LFACE_SLANT_INDEX]) |
2ff10663 | 1788 | || IGNORE_DEFFACE_P (attrs[LFACE_SLANT_INDEX]) |
82641697 | 1789 | || SYMBOLP (attrs[LFACE_SLANT_INDEX])); |
a54e2c05 | 1790 | eassert (UNSPECIFIEDP (attrs[LFACE_UNDERLINE_INDEX]) |
2ff10663 | 1791 | || IGNORE_DEFFACE_P (attrs[LFACE_UNDERLINE_INDEX]) |
82641697 | 1792 | || SYMBOLP (attrs[LFACE_UNDERLINE_INDEX]) |
9b0e3eba AA |
1793 | || STRINGP (attrs[LFACE_UNDERLINE_INDEX]) |
1794 | || CONSP (attrs[LFACE_UNDERLINE_INDEX])); | |
a54e2c05 | 1795 | eassert (UNSPECIFIEDP (attrs[LFACE_OVERLINE_INDEX]) |
2ff10663 | 1796 | || IGNORE_DEFFACE_P (attrs[LFACE_OVERLINE_INDEX]) |
82641697 GM |
1797 | || SYMBOLP (attrs[LFACE_OVERLINE_INDEX]) |
1798 | || STRINGP (attrs[LFACE_OVERLINE_INDEX])); | |
a54e2c05 | 1799 | eassert (UNSPECIFIEDP (attrs[LFACE_STRIKE_THROUGH_INDEX]) |
2ff10663 | 1800 | || IGNORE_DEFFACE_P (attrs[LFACE_STRIKE_THROUGH_INDEX]) |
82641697 GM |
1801 | || SYMBOLP (attrs[LFACE_STRIKE_THROUGH_INDEX]) |
1802 | || STRINGP (attrs[LFACE_STRIKE_THROUGH_INDEX])); | |
a54e2c05 | 1803 | eassert (UNSPECIFIEDP (attrs[LFACE_BOX_INDEX]) |
2ff10663 | 1804 | || IGNORE_DEFFACE_P (attrs[LFACE_BOX_INDEX]) |
82641697 GM |
1805 | || SYMBOLP (attrs[LFACE_BOX_INDEX]) |
1806 | || STRINGP (attrs[LFACE_BOX_INDEX]) | |
1807 | || INTEGERP (attrs[LFACE_BOX_INDEX]) | |
1808 | || CONSP (attrs[LFACE_BOX_INDEX])); | |
a54e2c05 | 1809 | eassert (UNSPECIFIEDP (attrs[LFACE_INVERSE_INDEX]) |
2ff10663 | 1810 | || IGNORE_DEFFACE_P (attrs[LFACE_INVERSE_INDEX]) |
82641697 | 1811 | || SYMBOLP (attrs[LFACE_INVERSE_INDEX])); |
a54e2c05 | 1812 | eassert (UNSPECIFIEDP (attrs[LFACE_FOREGROUND_INDEX]) |
2ff10663 | 1813 | || IGNORE_DEFFACE_P (attrs[LFACE_FOREGROUND_INDEX]) |
82641697 | 1814 | || STRINGP (attrs[LFACE_FOREGROUND_INDEX])); |
a54e2c05 | 1815 | eassert (UNSPECIFIEDP (attrs[LFACE_BACKGROUND_INDEX]) |
2ff10663 | 1816 | || IGNORE_DEFFACE_P (attrs[LFACE_BACKGROUND_INDEX]) |
82641697 | 1817 | || STRINGP (attrs[LFACE_BACKGROUND_INDEX])); |
a54e2c05 | 1818 | eassert (UNSPECIFIEDP (attrs[LFACE_INHERIT_INDEX]) |
2ff10663 | 1819 | || IGNORE_DEFFACE_P (attrs[LFACE_INHERIT_INDEX]) |
2c20458f MB |
1820 | || NILP (attrs[LFACE_INHERIT_INDEX]) |
1821 | || SYMBOLP (attrs[LFACE_INHERIT_INDEX]) | |
1822 | || CONSP (attrs[LFACE_INHERIT_INDEX])); | |
82641697 | 1823 | #ifdef HAVE_WINDOW_SYSTEM |
a54e2c05 | 1824 | eassert (UNSPECIFIEDP (attrs[LFACE_STIPPLE_INDEX]) |
2ff10663 | 1825 | || IGNORE_DEFFACE_P (attrs[LFACE_STIPPLE_INDEX]) |
82641697 | 1826 | || SYMBOLP (attrs[LFACE_STIPPLE_INDEX]) |
fef04523 | 1827 | || !NILP (Fbitmap_spec_p (attrs[LFACE_STIPPLE_INDEX]))); |
a54e2c05 | 1828 | eassert (UNSPECIFIEDP (attrs[LFACE_FONT_INDEX]) |
2ff10663 | 1829 | || IGNORE_DEFFACE_P (attrs[LFACE_FONT_INDEX]) |
2dee4c0b | 1830 | || FONTP (attrs[LFACE_FONT_INDEX])); |
a54e2c05 | 1831 | eassert (UNSPECIFIEDP (attrs[LFACE_FONTSET_INDEX]) |
f25e39b4 EZ |
1832 | || STRINGP (attrs[LFACE_FONTSET_INDEX]) |
1833 | || NILP (attrs[LFACE_FONTSET_INDEX])); | |
82641697 GM |
1834 | #endif |
1835 | } | |
1836 | ||
1837 | ||
1838 | /* Check consistency of attributes of Lisp face LFACE (a Lisp vector). */ | |
1839 | ||
1840 | static void | |
7d7d0045 | 1841 | check_lface (Lisp_Object lface) |
82641697 GM |
1842 | { |
1843 | if (!NILP (lface)) | |
1844 | { | |
a54e2c05 | 1845 | eassert (LFACEP (lface)); |
82641697 GM |
1846 | check_lface_attrs (XVECTOR (lface)->contents); |
1847 | } | |
1848 | } | |
1849 | ||
e509cfa6 | 1850 | #else /* not GLYPH_DEBUG */ |
82641697 GM |
1851 | |
1852 | #define check_lface_attrs(attrs) (void) 0 | |
1853 | #define check_lface(lface) (void) 0 | |
1854 | ||
e509cfa6 | 1855 | #endif /* GLYPH_DEBUG */ |
82641697 GM |
1856 | |
1857 | ||
a0a23346 MB |
1858 | \f |
1859 | /* Face-merge cycle checking. */ | |
1860 | ||
f2cec7a9 MB |
1861 | enum named_merge_point_kind |
1862 | { | |
1863 | NAMED_MERGE_POINT_NORMAL, | |
1864 | NAMED_MERGE_POINT_REMAP | |
1865 | }; | |
1866 | ||
a0a23346 MB |
1867 | /* A `named merge point' is simply a point during face-merging where we |
1868 | look up a face by name. We keep a stack of which named lookups we're | |
1869 | currently processing so that we can easily detect cycles, using a | |
1870 | linked- list of struct named_merge_point structures, typically | |
1871 | allocated on the stack frame of the named lookup functions which are | |
1872 | active (so no consing is required). */ | |
1873 | struct named_merge_point | |
1874 | { | |
1875 | Lisp_Object face_name; | |
f2cec7a9 | 1876 | enum named_merge_point_kind named_merge_point_kind; |
a0a23346 MB |
1877 | struct named_merge_point *prev; |
1878 | }; | |
1879 | ||
1880 | ||
1881 | /* If a face merging cycle is detected for FACE_NAME, return 0, | |
1882 | otherwise add NEW_NAMED_MERGE_POINT, which is initialized using | |
f2cec7a9 MB |
1883 | FACE_NAME and NAMED_MERGE_POINT_KIND, as the head of the linked list |
1884 | pointed to by NAMED_MERGE_POINTS, and return 1. */ | |
a0a23346 | 1885 | |
b0ab8123 | 1886 | static int |
a0a23346 MB |
1887 | push_named_merge_point (struct named_merge_point *new_named_merge_point, |
1888 | Lisp_Object face_name, | |
f2cec7a9 | 1889 | enum named_merge_point_kind named_merge_point_kind, |
a0a23346 MB |
1890 | struct named_merge_point **named_merge_points) |
1891 | { | |
1892 | struct named_merge_point *prev; | |
1893 | ||
1894 | for (prev = *named_merge_points; prev; prev = prev->prev) | |
1895 | if (EQ (face_name, prev->face_name)) | |
f2cec7a9 MB |
1896 | { |
1897 | if (prev->named_merge_point_kind == named_merge_point_kind) | |
1898 | /* A cycle, so fail. */ | |
1899 | return 0; | |
1900 | else if (prev->named_merge_point_kind == NAMED_MERGE_POINT_REMAP) | |
1901 | /* A remap `hides ' any previous normal merge points | |
1902 | (because the remap means that it's actually different face), | |
1903 | so as we know the current merge point must be normal, we | |
1904 | can just assume it's OK. */ | |
1905 | break; | |
1906 | } | |
a0a23346 MB |
1907 | |
1908 | new_named_merge_point->face_name = face_name; | |
f2cec7a9 | 1909 | new_named_merge_point->named_merge_point_kind = named_merge_point_kind; |
a0a23346 MB |
1910 | new_named_merge_point->prev = *named_merge_points; |
1911 | ||
1912 | *named_merge_points = new_named_merge_point; | |
1913 | ||
1914 | return 1; | |
1915 | } | |
1916 | ||
1917 | \f | |
39506348 | 1918 | /* Resolve face name FACE_NAME. If FACE_NAME is a string, intern it |
d1bf13b3 KS |
1919 | to make it a symbol. If FACE_NAME is an alias for another face, |
1920 | return that face's name. | |
1921 | ||
1922 | Return default face in case of errors. */ | |
c7ae3284 GM |
1923 | |
1924 | static Lisp_Object | |
971de7fb | 1925 | resolve_face_name (Lisp_Object face_name, int signal_p) |
c7ae3284 | 1926 | { |
d1bf13b3 KS |
1927 | Lisp_Object orig_face; |
1928 | Lisp_Object tortoise, hare; | |
178c5d9c | 1929 | |
c7ae3284 | 1930 | if (STRINGP (face_name)) |
42a5b22f | 1931 | face_name = intern (SSDATA (face_name)); |
c7ae3284 | 1932 | |
d1bf13b3 KS |
1933 | if (NILP (face_name) || !SYMBOLP (face_name)) |
1934 | return face_name; | |
1935 | ||
1936 | orig_face = face_name; | |
1937 | tortoise = hare = face_name; | |
1938 | ||
1939 | while (1) | |
c7ae3284 | 1940 | { |
d1bf13b3 KS |
1941 | face_name = hare; |
1942 | hare = Fget (hare, Qface_alias); | |
1943 | if (NILP (hare) || !SYMBOLP (hare)) | |
c7ae3284 | 1944 | break; |
d1bf13b3 KS |
1945 | |
1946 | face_name = hare; | |
1947 | hare = Fget (hare, Qface_alias); | |
1948 | if (NILP (hare) || !SYMBOLP (hare)) | |
f3745204 | 1949 | break; |
d1bf13b3 KS |
1950 | |
1951 | tortoise = Fget (tortoise, Qface_alias); | |
1952 | if (EQ (hare, tortoise)) | |
1953 | { | |
1954 | if (signal_p) | |
8009eb44 | 1955 | xsignal1 (Qcircular_list, orig_face); |
d1bf13b3 KS |
1956 | return Qdefault; |
1957 | } | |
c7ae3284 GM |
1958 | } |
1959 | ||
1960 | return face_name; | |
1961 | } | |
1962 | ||
1963 | ||
82641697 | 1964 | /* Return the face definition of FACE_NAME on frame F. F null means |
45d9f1ef GM |
1965 | return the definition for new frames. FACE_NAME may be a string or |
1966 | a symbol (apparently Emacs 20.2 allowed strings as face names in | |
f2cec7a9 MB |
1967 | face text properties; Ediff uses that). If SIGNAL_P is non-zero, |
1968 | signal an error if FACE_NAME is not a valid face name. If SIGNAL_P | |
1969 | is zero, value is nil if FACE_NAME is not a valid face name. */ | |
b0ab8123 | 1970 | static Lisp_Object |
b5f03016 AS |
1971 | lface_from_face_name_no_resolve (struct frame *f, Lisp_Object face_name, |
1972 | int signal_p) | |
82641697 | 1973 | { |
c7ae3284 | 1974 | Lisp_Object lface; |
82641697 GM |
1975 | |
1976 | if (f) | |
e69b0960 | 1977 | lface = assq_no_quit (face_name, f->face_alist); |
82641697 GM |
1978 | else |
1979 | lface = assq_no_quit (face_name, Vface_new_frame_defaults); | |
1980 | ||
1981 | if (CONSP (lface)) | |
1982 | lface = XCDR (lface); | |
1983 | else if (signal_p) | |
1984 | signal_error ("Invalid face", face_name); | |
1985 | ||
1986 | check_lface (lface); | |
f2cec7a9 | 1987 | |
82641697 GM |
1988 | return lface; |
1989 | } | |
1990 | ||
f2cec7a9 MB |
1991 | /* Return the face definition of FACE_NAME on frame F. F null means |
1992 | return the definition for new frames. FACE_NAME may be a string or | |
1993 | a symbol (apparently Emacs 20.2 allowed strings as face names in | |
1994 | face text properties; Ediff uses that). If FACE_NAME is an alias | |
1995 | for another face, return that face's definition. If SIGNAL_P is | |
1996 | non-zero, signal an error if FACE_NAME is not a valid face name. | |
1997 | If SIGNAL_P is zero, value is nil if FACE_NAME is not a valid face | |
1998 | name. */ | |
b0ab8123 | 1999 | static Lisp_Object |
971de7fb | 2000 | lface_from_face_name (struct frame *f, Lisp_Object face_name, int signal_p) |
f2cec7a9 MB |
2001 | { |
2002 | face_name = resolve_face_name (face_name, signal_p); | |
2003 | return lface_from_face_name_no_resolve (f, face_name, signal_p); | |
2004 | } | |
2005 | ||
82641697 | 2006 | |
e7d7fd8c MB |
2007 | /* Get face attributes of face FACE_NAME from frame-local faces on |
2008 | frame F. Store the resulting attributes in ATTRS which must point | |
2009 | to a vector of Lisp_Objects of size LFACE_VECTOR_SIZE. If SIGNAL_P | |
2010 | is non-zero, signal an error if FACE_NAME does not name a face. | |
2011 | Otherwise, value is zero if FACE_NAME is not a face. */ | |
2012 | ||
b0ab8123 | 2013 | static int |
b5f03016 | 2014 | get_lface_attributes_no_remap (struct frame *f, Lisp_Object face_name, |
4973679b PE |
2015 | Lisp_Object attrs[LFACE_VECTOR_SIZE], |
2016 | int signal_p) | |
e7d7fd8c MB |
2017 | { |
2018 | Lisp_Object lface; | |
e7d7fd8c | 2019 | |
f2cec7a9 MB |
2020 | lface = lface_from_face_name_no_resolve (f, face_name, signal_p); |
2021 | ||
2022 | if (! NILP (lface)) | |
72af86bd AS |
2023 | memcpy (attrs, XVECTOR (lface)->contents, |
2024 | LFACE_VECTOR_SIZE * sizeof *attrs); | |
f2cec7a9 MB |
2025 | |
2026 | return !NILP (lface); | |
2027 | } | |
2028 | ||
2029 | /* Get face attributes of face FACE_NAME from frame-local faces on frame | |
2030 | F. Store the resulting attributes in ATTRS which must point to a | |
2031 | vector of Lisp_Objects of size LFACE_VECTOR_SIZE. If FACE_NAME is an | |
2032 | alias for another face, use that face's definition. If SIGNAL_P is | |
2033 | non-zero, signal an error if FACE_NAME does not name a face. | |
2034 | Otherwise, value is zero if FACE_NAME is not a face. */ | |
2035 | ||
b0ab8123 | 2036 | static int |
b5f03016 | 2037 | get_lface_attributes (struct frame *f, Lisp_Object face_name, |
4973679b | 2038 | Lisp_Object attrs[LFACE_VECTOR_SIZE], int signal_p, |
b5f03016 | 2039 | struct named_merge_point *named_merge_points) |
f2cec7a9 MB |
2040 | { |
2041 | Lisp_Object face_remapping; | |
2042 | ||
2043 | face_name = resolve_face_name (face_name, signal_p); | |
2044 | ||
2045 | /* See if SYMBOL has been remapped to some other face (usually this | |
2046 | is done buffer-locally). */ | |
2047 | face_remapping = assq_no_quit (face_name, Vface_remapping_alist); | |
2048 | if (CONSP (face_remapping)) | |
e7d7fd8c | 2049 | { |
f2cec7a9 MB |
2050 | struct named_merge_point named_merge_point; |
2051 | ||
2052 | if (push_named_merge_point (&named_merge_point, | |
2053 | face_name, NAMED_MERGE_POINT_REMAP, | |
2054 | &named_merge_points)) | |
2055 | { | |
2056 | int i; | |
2057 | ||
2058 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
2059 | attrs[i] = Qunspecified; | |
2060 | ||
2061 | return merge_face_ref (f, XCDR (face_remapping), attrs, | |
2062 | signal_p, named_merge_points); | |
2063 | } | |
e7d7fd8c | 2064 | } |
e7d7fd8c | 2065 | |
f2cec7a9 MB |
2066 | /* Default case, no remapping. */ |
2067 | return get_lface_attributes_no_remap (f, face_name, attrs, signal_p); | |
e7d7fd8c MB |
2068 | } |
2069 | ||
2070 | ||
82641697 GM |
2071 | /* Non-zero if all attributes in face attribute vector ATTRS are |
2072 | specified, i.e. are non-nil. */ | |
2073 | ||
2074 | static int | |
4973679b | 2075 | lface_fully_specified_p (Lisp_Object attrs[LFACE_VECTOR_SIZE]) |
82641697 GM |
2076 | { |
2077 | int i; | |
2078 | ||
2079 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
2dee4c0b | 2080 | if (i != LFACE_FONT_INDEX && i != LFACE_INHERIT_INDEX) |
9e2a2647 | 2081 | if ((UNSPECIFIEDP (attrs[i]) || IGNORE_DEFFACE_P (attrs[i]))) |
b5f03016 | 2082 | break; |
82641697 GM |
2083 | |
2084 | return i == LFACE_VECTOR_SIZE; | |
2085 | } | |
2086 | ||
c3cee013 | 2087 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 2088 | |
2dee4c0b KH |
2089 | /* Set font-related attributes of Lisp face LFACE from FONT-OBJECT. |
2090 | If FORCE_P is zero, set only unspecified attributes of LFACE. The | |
2091 | exception is `font' attribute. It is set to FONT_OBJECT regardless | |
2092 | of FORCE_P. */ | |
178c5d9c | 2093 | |
82641697 | 2094 | static int |
b5f03016 AS |
2095 | set_lface_from_font (struct frame *f, Lisp_Object lface, |
2096 | Lisp_Object font_object, int force_p) | |
f4d3bea3 | 2097 | { |
f4d3bea3 | 2098 | Lisp_Object val; |
2dee4c0b | 2099 | struct font *font = XFONT_OBJECT (font_object); |
f4d3bea3 KH |
2100 | |
2101 | /* Set attributes only if unspecified, otherwise face defaults for | |
2102 | new frames would never take effect. If the font doesn't have a | |
2103 | specific property, set a normal value for that. */ | |
2104 | ||
2105 | if (force_p || UNSPECIFIEDP (LFACE_FAMILY (lface))) | |
2106 | { | |
2dee4c0b | 2107 | Lisp_Object family = AREF (font_object, FONT_FAMILY_INDEX); |
f4d3bea3 | 2108 | |
4939150c | 2109 | ASET (lface, LFACE_FAMILY_INDEX, SYMBOL_NAME (family)); |
53aaf1e2 KH |
2110 | } |
2111 | ||
2112 | if (force_p || UNSPECIFIEDP (LFACE_FOUNDRY (lface))) | |
2113 | { | |
2114 | Lisp_Object foundry = AREF (font_object, FONT_FOUNDRY_INDEX); | |
2115 | ||
4939150c | 2116 | ASET (lface, LFACE_FOUNDRY_INDEX, SYMBOL_NAME (foundry)); |
f4d3bea3 KH |
2117 | } |
2118 | ||
2119 | if (force_p || UNSPECIFIEDP (LFACE_HEIGHT (lface))) | |
2120 | { | |
2dee4c0b | 2121 | int pt = PIXEL_TO_POINT (font->pixel_size * 10, f->resy); |
f4d3bea3 | 2122 | |
a54e2c05 | 2123 | eassert (pt > 0); |
4939150c | 2124 | ASET (lface, LFACE_HEIGHT_INDEX, make_number (pt)); |
f4d3bea3 KH |
2125 | } |
2126 | ||
f4d3bea3 KH |
2127 | if (force_p || UNSPECIFIEDP (LFACE_WEIGHT (lface))) |
2128 | { | |
2dee4c0b | 2129 | val = FONT_WEIGHT_FOR_FACE (font_object); |
4939150c | 2130 | ASET (lface, LFACE_WEIGHT_INDEX, ! NILP (val) ? val :Qnormal); |
f4d3bea3 KH |
2131 | } |
2132 | if (force_p || UNSPECIFIEDP (LFACE_SLANT (lface))) | |
2133 | { | |
2dee4c0b | 2134 | val = FONT_SLANT_FOR_FACE (font_object); |
4939150c | 2135 | ASET (lface, LFACE_SLANT_INDEX, ! NILP (val) ? val : Qnormal); |
f4d3bea3 KH |
2136 | } |
2137 | if (force_p || UNSPECIFIEDP (LFACE_SWIDTH (lface))) | |
2138 | { | |
2dee4c0b | 2139 | val = FONT_WIDTH_FOR_FACE (font_object); |
4939150c | 2140 | ASET (lface, LFACE_SWIDTH_INDEX, ! NILP (val) ? val : Qnormal); |
f4d3bea3 KH |
2141 | } |
2142 | ||
4939150c | 2143 | ASET (lface, LFACE_FONT_INDEX, font_object); |
2dee4c0b | 2144 | return 1; |
f4d3bea3 | 2145 | } |
f4d3bea3 | 2146 | |
c3cee013 | 2147 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
2148 | |
2149 | ||
2c20458f MB |
2150 | /* Merges the face height FROM with the face height TO, and returns the |
2151 | merged height. If FROM is an invalid height, then INVALID is | |
cdfaafa9 MB |
2152 | returned instead. FROM and TO may be either absolute face heights or |
2153 | `relative' heights; the returned value is always an absolute height | |
fe69cf00 | 2154 | unless both FROM and TO are relative. */ |
2c20458f | 2155 | |
6b463e58 | 2156 | static Lisp_Object |
971de7fb | 2157 | merge_face_heights (Lisp_Object from, Lisp_Object to, Lisp_Object invalid) |
2c20458f | 2158 | { |
cdfaafa9 | 2159 | Lisp_Object result = invalid; |
2c20458f MB |
2160 | |
2161 | if (INTEGERP (from)) | |
cdfaafa9 MB |
2162 | /* FROM is absolute, just use it as is. */ |
2163 | result = from; | |
2164 | else if (FLOATP (from)) | |
2165 | /* FROM is a scale, use it to adjust TO. */ | |
2166 | { | |
2167 | if (INTEGERP (to)) | |
2168 | /* relative X absolute => absolute */ | |
d311d28c | 2169 | result = make_number (XFLOAT_DATA (from) * XINT (to)); |
cdfaafa9 MB |
2170 | else if (FLOATP (to)) |
2171 | /* relative X relative => relative */ | |
2172 | result = make_float (XFLOAT_DATA (from) * XFLOAT_DATA (to)); | |
a0a23346 MB |
2173 | else if (UNSPECIFIEDP (to)) |
2174 | result = from; | |
2c20458f | 2175 | } |
2c20458f | 2176 | else if (FUNCTIONP (from)) |
cdfaafa9 | 2177 | /* FROM is a function, which use to adjust TO. */ |
2c20458f MB |
2178 | { |
2179 | /* Call function with current height as argument. | |
2180 | From is the new height. */ | |
6cd7a139 | 2181 | result = safe_call1 (from, to); |
2c20458f | 2182 | |
cdfaafa9 MB |
2183 | /* Ensure that if TO was absolute, so is the result. */ |
2184 | if (INTEGERP (to) && !INTEGERP (result)) | |
2185 | result = invalid; | |
2c20458f MB |
2186 | } |
2187 | ||
cdfaafa9 | 2188 | return result; |
2c20458f MB |
2189 | } |
2190 | ||
2191 | ||
2192 | /* Merge two Lisp face attribute vectors on frame F, FROM and TO, and | |
613fa7f2 | 2193 | store the resulting attributes in TO, which must be already be |
e7d7fd8c MB |
2194 | completely specified and contain only absolute attributes. Every |
2195 | specified attribute of FROM overrides the corresponding attribute of | |
2196 | TO; relative attributes in FROM are merged with the absolute value in | |
2197 | TO and replace it. NAMED_MERGE_POINTS is used internally to detect | |
f2cec7a9 MB |
2198 | loops in face inheritance/remapping; it should be 0 when called from |
2199 | other places. */ | |
82641697 | 2200 | |
b0ab8123 | 2201 | static void |
b5f03016 AS |
2202 | merge_face_vectors (struct frame *f, Lisp_Object *from, Lisp_Object *to, |
2203 | struct named_merge_point *named_merge_points) | |
82641697 GM |
2204 | { |
2205 | int i; | |
383dcbf9 | 2206 | Lisp_Object font = Qnil; |
2c20458f MB |
2207 | |
2208 | /* If FROM inherits from some other faces, merge their attributes into | |
2209 | TO before merging FROM's direct attributes. Note that an :inherit | |
2210 | attribute of `unspecified' is the same as one of nil; we never | |
2211 | merge :inherit attributes, so nil is more correct, but lots of | |
2212 | other code uses `unspecified' as a generic value for face attributes. */ | |
2213 | if (!UNSPECIFIEDP (from[LFACE_INHERIT_INDEX]) | |
2214 | && !NILP (from[LFACE_INHERIT_INDEX])) | |
a0a23346 | 2215 | merge_face_ref (f, from[LFACE_INHERIT_INDEX], to, 0, named_merge_points); |
2c20458f | 2216 | |
383dcbf9 | 2217 | if (FONT_SPEC_P (from[LFACE_FONT_INDEX])) |
2dee4c0b | 2218 | { |
383dcbf9 CY |
2219 | if (!UNSPECIFIEDP (to[LFACE_FONT_INDEX])) |
2220 | font = merge_font_spec (from[LFACE_FONT_INDEX], to[LFACE_FONT_INDEX]); | |
2dee4c0b | 2221 | else |
383dcbf9 CY |
2222 | font = copy_font_spec (from[LFACE_FONT_INDEX]); |
2223 | to[LFACE_FONT_INDEX] = font; | |
2dee4c0b | 2224 | } |
87188200 | 2225 | |
82641697 GM |
2226 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) |
2227 | if (!UNSPECIFIEDP (from[i])) | |
ab8469eb PJ |
2228 | { |
2229 | if (i == LFACE_HEIGHT_INDEX && !INTEGERP (from[i])) | |
2dee4c0b KH |
2230 | { |
2231 | to[i] = merge_face_heights (from[i], to[i], to[i]); | |
2232 | font_clear_prop (to, FONT_SIZE_INDEX); | |
2233 | } | |
383dcbf9 | 2234 | else if (i != LFACE_FONT_INDEX && ! EQ (to[i], from[i])) |
2dee4c0b KH |
2235 | { |
2236 | to[i] = from[i]; | |
2237 | if (i >= LFACE_FAMILY_INDEX && i <=LFACE_SLANT_INDEX) | |
2238 | font_clear_prop (to, | |
2239 | (i == LFACE_FAMILY_INDEX ? FONT_FAMILY_INDEX | |
53aaf1e2 | 2240 | : i == LFACE_FOUNDRY_INDEX ? FONT_FOUNDRY_INDEX |
2dee4c0b KH |
2241 | : i == LFACE_SWIDTH_INDEX ? FONT_WIDTH_INDEX |
2242 | : i == LFACE_HEIGHT_INDEX ? FONT_SIZE_INDEX | |
2243 | : i == LFACE_WEIGHT_INDEX ? FONT_WEIGHT_INDEX | |
2244 | : FONT_SLANT_INDEX)); | |
2245 | } | |
ab8469eb | 2246 | } |
2c20458f | 2247 | |
383dcbf9 CY |
2248 | /* If FROM specifies a font spec, make its contents take precedence |
2249 | over :family and other attributes. This is needed for face | |
2250 | remapping using :font to work. */ | |
2251 | ||
2252 | if (!NILP (font)) | |
2253 | { | |
2254 | if (! NILP (AREF (font, FONT_FOUNDRY_INDEX))) | |
2255 | to[LFACE_FOUNDRY_INDEX] = SYMBOL_NAME (AREF (font, FONT_FOUNDRY_INDEX)); | |
2256 | if (! NILP (AREF (font, FONT_FAMILY_INDEX))) | |
2257 | to[LFACE_FAMILY_INDEX] = SYMBOL_NAME (AREF (font, FONT_FAMILY_INDEX)); | |
2258 | if (! NILP (AREF (font, FONT_WEIGHT_INDEX))) | |
2259 | to[LFACE_WEIGHT_INDEX] = FONT_WEIGHT_FOR_FACE (font); | |
2260 | if (! NILP (AREF (font, FONT_SLANT_INDEX))) | |
2261 | to[LFACE_SLANT_INDEX] = FONT_SLANT_FOR_FACE (font); | |
2262 | if (! NILP (AREF (font, FONT_WIDTH_INDEX))) | |
2263 | to[LFACE_SWIDTH_INDEX] = FONT_WIDTH_FOR_FACE (font); | |
2264 | ASET (font, FONT_SIZE_INDEX, Qnil); | |
2265 | } | |
2266 | ||
2c20458f MB |
2267 | /* TO is always an absolute face, which should inherit from nothing. |
2268 | We blindly copy the :inherit attribute above and fix it up here. */ | |
2269 | to[LFACE_INHERIT_INDEX] = Qnil; | |
2270 | } | |
2271 | ||
a0a23346 MB |
2272 | /* Merge the named face FACE_NAME on frame F, into the vector of face |
2273 | attributes TO. NAMED_MERGE_POINTS is used to detect loops in face | |
2274 | inheritance. Returns true if FACE_NAME is a valid face name and | |
2275 | merging succeeded. */ | |
6288c62f | 2276 | |
a0a23346 | 2277 | static int |
b5f03016 AS |
2278 | merge_named_face (struct frame *f, Lisp_Object face_name, Lisp_Object *to, |
2279 | struct named_merge_point *named_merge_points) | |
2c20458f | 2280 | { |
a0a23346 | 2281 | struct named_merge_point named_merge_point; |
2c20458f | 2282 | |
a0a23346 | 2283 | if (push_named_merge_point (&named_merge_point, |
f2cec7a9 MB |
2284 | face_name, NAMED_MERGE_POINT_NORMAL, |
2285 | &named_merge_points)) | |
2c20458f | 2286 | { |
e1e419ec | 2287 | struct gcpro gcpro1; |
e7d7fd8c | 2288 | Lisp_Object from[LFACE_VECTOR_SIZE]; |
f2cec7a9 | 2289 | int ok = get_lface_attributes (f, face_name, from, 0, named_merge_points); |
2c20458f | 2290 | |
e7d7fd8c MB |
2291 | if (ok) |
2292 | { | |
2293 | GCPRO1 (named_merge_point.face_name); | |
2294 | merge_face_vectors (f, from, to, named_merge_points); | |
2295 | UNGCPRO; | |
2296 | } | |
2297 | ||
2298 | return ok; | |
2c20458f | 2299 | } |
a0a23346 MB |
2300 | else |
2301 | return 0; | |
82641697 GM |
2302 | } |
2303 | ||
2304 | ||
a0a23346 MB |
2305 | /* Merge face attributes from the lisp `face reference' FACE_REF on |
2306 | frame F into the face attribute vector TO. If ERR_MSGS is non-zero, | |
2307 | problems with FACE_REF cause an error message to be shown. Return | |
2308 | non-zero if no errors occurred (regardless of the value of ERR_MSGS). | |
2309 | NAMED_MERGE_POINTS is used to detect loops in face inheritance or | |
2310 | list structure; it may be 0 for most callers. | |
2311 | ||
2312 | FACE_REF may be a single face specification or a list of such | |
2313 | specifications. Each face specification can be: | |
82641697 GM |
2314 | |
2315 | 1. A symbol or string naming a Lisp face. | |
2316 | ||
2317 | 2. A property list of the form (KEYWORD VALUE ...) where each | |
2318 | KEYWORD is a face attribute name, and value is an appropriate value | |
2319 | for that attribute. | |
2320 | ||
2321 | 3. Conses or the form (FOREGROUND-COLOR . COLOR) or | |
2322 | (BACKGROUND-COLOR . COLOR) where COLOR is a color name. This is | |
2323 | for compatibility with 20.2. | |
2324 | ||
2325 | Face specifications earlier in lists take precedence over later | |
2326 | specifications. */ | |
178c5d9c | 2327 | |
a0a23346 | 2328 | static int |
b5f03016 AS |
2329 | merge_face_ref (struct frame *f, Lisp_Object face_ref, Lisp_Object *to, |
2330 | int err_msgs, struct named_merge_point *named_merge_points) | |
82641697 | 2331 | { |
a0a23346 MB |
2332 | int ok = 1; /* Succeed without an error? */ |
2333 | ||
2334 | if (CONSP (face_ref)) | |
82641697 | 2335 | { |
a0a23346 | 2336 | Lisp_Object first = XCAR (face_ref); |
178c5d9c | 2337 | |
82641697 GM |
2338 | if (EQ (first, Qforeground_color) |
2339 | || EQ (first, Qbackground_color)) | |
2340 | { | |
2341 | /* One of (FOREGROUND-COLOR . COLOR) or (BACKGROUND-COLOR | |
2342 | . COLOR). COLOR must be a string. */ | |
a0a23346 | 2343 | Lisp_Object color_name = XCDR (face_ref); |
82641697 GM |
2344 | Lisp_Object color = first; |
2345 | ||
2346 | if (STRINGP (color_name)) | |
2347 | { | |
2348 | if (EQ (color, Qforeground_color)) | |
2349 | to[LFACE_FOREGROUND_INDEX] = color_name; | |
2350 | else | |
2351 | to[LFACE_BACKGROUND_INDEX] = color_name; | |
2352 | } | |
2353 | else | |
a0a23346 MB |
2354 | { |
2355 | if (err_msgs) | |
2356 | add_to_log ("Invalid face color", color_name, Qnil); | |
2357 | ok = 0; | |
2358 | } | |
82641697 GM |
2359 | } |
2360 | else if (SYMBOLP (first) | |
d5db4077 | 2361 | && *SDATA (SYMBOL_NAME (first)) == ':') |
82641697 GM |
2362 | { |
2363 | /* Assume this is the property list form. */ | |
a0a23346 | 2364 | while (CONSP (face_ref) && CONSP (XCDR (face_ref))) |
82641697 | 2365 | { |
a0a23346 MB |
2366 | Lisp_Object keyword = XCAR (face_ref); |
2367 | Lisp_Object value = XCAR (XCDR (face_ref)); | |
2368 | int err = 0; | |
82641697 | 2369 | |
d9639b25 RS |
2370 | /* Specifying `unspecified' is a no-op. */ |
2371 | if (EQ (value, Qunspecified)) | |
2372 | ; | |
2373 | else if (EQ (keyword, QCfamily)) | |
82641697 GM |
2374 | { |
2375 | if (STRINGP (value)) | |
2dee4c0b KH |
2376 | { |
2377 | to[LFACE_FAMILY_INDEX] = value; | |
2378 | font_clear_prop (to, FONT_FAMILY_INDEX); | |
2379 | } | |
82641697 | 2380 | else |
a0a23346 | 2381 | err = 1; |
82641697 | 2382 | } |
53aaf1e2 KH |
2383 | else if (EQ (keyword, QCfoundry)) |
2384 | { | |
2385 | if (STRINGP (value)) | |
2386 | { | |
2387 | to[LFACE_FOUNDRY_INDEX] = value; | |
2388 | font_clear_prop (to, FONT_FOUNDRY_INDEX); | |
2389 | } | |
2390 | else | |
2391 | err = 1; | |
2392 | } | |
82641697 GM |
2393 | else if (EQ (keyword, QCheight)) |
2394 | { | |
2c20458f | 2395 | Lisp_Object new_height = |
e1e419ec | 2396 | merge_face_heights (value, to[LFACE_HEIGHT_INDEX], Qnil); |
2c20458f | 2397 | |
a0a23346 | 2398 | if (! NILP (new_height)) |
2dee4c0b KH |
2399 | { |
2400 | to[LFACE_HEIGHT_INDEX] = new_height; | |
2401 | font_clear_prop (to, FONT_SIZE_INDEX); | |
2402 | } | |
a0a23346 MB |
2403 | else |
2404 | err = 1; | |
82641697 GM |
2405 | } |
2406 | else if (EQ (keyword, QCweight)) | |
2407 | { | |
2dee4c0b KH |
2408 | if (SYMBOLP (value) && FONT_WEIGHT_NAME_NUMERIC (value) >= 0) |
2409 | { | |
2410 | to[LFACE_WEIGHT_INDEX] = value; | |
2411 | font_clear_prop (to, FONT_WEIGHT_INDEX); | |
2412 | } | |
82641697 | 2413 | else |
a0a23346 | 2414 | err = 1; |
82641697 GM |
2415 | } |
2416 | else if (EQ (keyword, QCslant)) | |
2417 | { | |
2dee4c0b KH |
2418 | if (SYMBOLP (value) && FONT_SLANT_NAME_NUMERIC (value) >= 0) |
2419 | { | |
2420 | to[LFACE_SLANT_INDEX] = value; | |
2421 | font_clear_prop (to, FONT_SLANT_INDEX); | |
2422 | } | |
82641697 | 2423 | else |
a0a23346 | 2424 | err = 1; |
82641697 GM |
2425 | } |
2426 | else if (EQ (keyword, QCunderline)) | |
2427 | { | |
2428 | if (EQ (value, Qt) | |
2429 | || NILP (value) | |
9b0e3eba AA |
2430 | || STRINGP (value) |
2431 | || CONSP (value)) | |
82641697 GM |
2432 | to[LFACE_UNDERLINE_INDEX] = value; |
2433 | else | |
a0a23346 | 2434 | err = 1; |
82641697 GM |
2435 | } |
2436 | else if (EQ (keyword, QCoverline)) | |
2437 | { | |
2438 | if (EQ (value, Qt) | |
2439 | || NILP (value) | |
2440 | || STRINGP (value)) | |
2441 | to[LFACE_OVERLINE_INDEX] = value; | |
2442 | else | |
a0a23346 | 2443 | err = 1; |
82641697 GM |
2444 | } |
2445 | else if (EQ (keyword, QCstrike_through)) | |
2446 | { | |
2447 | if (EQ (value, Qt) | |
2448 | || NILP (value) | |
2449 | || STRINGP (value)) | |
2450 | to[LFACE_STRIKE_THROUGH_INDEX] = value; | |
2451 | else | |
a0a23346 | 2452 | err = 1; |
82641697 GM |
2453 | } |
2454 | else if (EQ (keyword, QCbox)) | |
2455 | { | |
2456 | if (EQ (value, Qt)) | |
2457 | value = make_number (1); | |
2458 | if (INTEGERP (value) | |
2459 | || STRINGP (value) | |
2460 | || CONSP (value) | |
2461 | || NILP (value)) | |
2462 | to[LFACE_BOX_INDEX] = value; | |
2463 | else | |
a0a23346 | 2464 | err = 1; |
82641697 GM |
2465 | } |
2466 | else if (EQ (keyword, QCinverse_video) | |
2467 | || EQ (keyword, QCreverse_video)) | |
2468 | { | |
2469 | if (EQ (value, Qt) || NILP (value)) | |
2470 | to[LFACE_INVERSE_INDEX] = value; | |
2471 | else | |
a0a23346 | 2472 | err = 1; |
82641697 GM |
2473 | } |
2474 | else if (EQ (keyword, QCforeground)) | |
2475 | { | |
2476 | if (STRINGP (value)) | |
2477 | to[LFACE_FOREGROUND_INDEX] = value; | |
2478 | else | |
a0a23346 | 2479 | err = 1; |
82641697 GM |
2480 | } |
2481 | else if (EQ (keyword, QCbackground)) | |
2482 | { | |
2483 | if (STRINGP (value)) | |
2484 | to[LFACE_BACKGROUND_INDEX] = value; | |
2485 | else | |
a0a23346 | 2486 | err = 1; |
82641697 GM |
2487 | } |
2488 | else if (EQ (keyword, QCstipple)) | |
2489 | { | |
17a2cbbd | 2490 | #if defined (HAVE_WINDOW_SYSTEM) |
fef04523 | 2491 | Lisp_Object pixmap_p = Fbitmap_spec_p (value); |
82641697 GM |
2492 | if (!NILP (pixmap_p)) |
2493 | to[LFACE_STIPPLE_INDEX] = value; | |
2494 | else | |
a0a23346 | 2495 | err = 1; |
17a2cbbd | 2496 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
2497 | } |
2498 | else if (EQ (keyword, QCwidth)) | |
2499 | { | |
2dee4c0b KH |
2500 | if (SYMBOLP (value) && FONT_WIDTH_NAME_NUMERIC (value) >= 0) |
2501 | { | |
2502 | to[LFACE_SWIDTH_INDEX] = value; | |
2503 | font_clear_prop (to, FONT_WIDTH_INDEX); | |
2504 | } | |
82641697 | 2505 | else |
a0a23346 | 2506 | err = 1; |
82641697 | 2507 | } |
383dcbf9 CY |
2508 | else if (EQ (keyword, QCfont)) |
2509 | { | |
2510 | if (FONTP (value)) | |
2511 | to[LFACE_FONT_INDEX] = value; | |
2512 | else | |
2513 | err = 1; | |
2514 | } | |
2c20458f MB |
2515 | else if (EQ (keyword, QCinherit)) |
2516 | { | |
a0a23346 MB |
2517 | /* This is not really very useful; it's just like a |
2518 | normal face reference. */ | |
2519 | if (! merge_face_ref (f, value, to, | |
2520 | err_msgs, named_merge_points)) | |
2521 | err = 1; | |
2c20458f | 2522 | } |
82641697 | 2523 | else |
a0a23346 | 2524 | err = 1; |
82641697 | 2525 | |
a0a23346 MB |
2526 | if (err) |
2527 | { | |
2528 | add_to_log ("Invalid face attribute %S %S", keyword, value); | |
2529 | ok = 0; | |
2530 | } | |
82641697 | 2531 | |
a0a23346 | 2532 | face_ref = XCDR (XCDR (face_ref)); |
82641697 GM |
2533 | } |
2534 | } | |
2535 | else | |
2536 | { | |
a0a23346 MB |
2537 | /* This is a list of face refs. Those at the beginning of the |
2538 | list take precedence over what follows, so we have to merge | |
2539 | from the end backwards. */ | |
2540 | Lisp_Object next = XCDR (face_ref); | |
2541 | ||
2542 | if (! NILP (next)) | |
2543 | ok = merge_face_ref (f, next, to, err_msgs, named_merge_points); | |
2544 | ||
2545 | if (! merge_face_ref (f, first, to, err_msgs, named_merge_points)) | |
2546 | ok = 0; | |
82641697 GM |
2547 | } |
2548 | } | |
2549 | else | |
2550 | { | |
a0a23346 MB |
2551 | /* FACE_REF ought to be a face name. */ |
2552 | ok = merge_named_face (f, face_ref, to, named_merge_points); | |
2553 | if (!ok && err_msgs) | |
2554 | add_to_log ("Invalid face reference: %s", face_ref, Qnil); | |
82641697 | 2555 | } |
a0a23346 MB |
2556 | |
2557 | return ok; | |
82641697 GM |
2558 | } |
2559 | ||
2560 | ||
2561 | DEFUN ("internal-make-lisp-face", Finternal_make_lisp_face, | |
2562 | Sinternal_make_lisp_face, 1, 2, 0, | |
7ee72033 | 2563 | doc: /* Make FACE, a symbol, a Lisp face with all attributes nil. |
228299fa GM |
2564 | If FACE was not known as a face before, create a new one. |
2565 | If optional argument FRAME is specified, make a frame-local face | |
2566 | for that frame. Otherwise operate on the global face definition. | |
7ee72033 | 2567 | Value is a vector of face attributes. */) |
5842a27b | 2568 | (Lisp_Object face, Lisp_Object frame) |
82641697 GM |
2569 | { |
2570 | Lisp_Object global_lface, lface; | |
2571 | struct frame *f; | |
2572 | int i; | |
2573 | ||
b7826503 | 2574 | CHECK_SYMBOL (face); |
82641697 | 2575 | global_lface = lface_from_face_name (NULL, face, 0); |
178c5d9c | 2576 | |
82641697 GM |
2577 | if (!NILP (frame)) |
2578 | { | |
b7826503 | 2579 | CHECK_LIVE_FRAME (frame); |
82641697 GM |
2580 | f = XFRAME (frame); |
2581 | lface = lface_from_face_name (f, face, 0); | |
2582 | } | |
2583 | else | |
2584 | f = NULL, lface = Qnil; | |
2585 | ||
2586 | /* Add a global definition if there is none. */ | |
2587 | if (NILP (global_lface)) | |
2588 | { | |
2589 | global_lface = Fmake_vector (make_number (LFACE_VECTOR_SIZE), | |
2590 | Qunspecified); | |
dfae5f9a | 2591 | ASET (global_lface, 0, Qface); |
178c5d9c | 2592 | Vface_new_frame_defaults = Fcons (Fcons (face, global_lface), |
82641697 | 2593 | Vface_new_frame_defaults); |
178c5d9c | 2594 | |
82641697 GM |
2595 | /* Assign the new Lisp face a unique ID. The mapping from Lisp |
2596 | face id to Lisp face is given by the vector lface_id_to_name. | |
2597 | The mapping from Lisp face to Lisp face id is given by the | |
2598 | property `face' of the Lisp face name. */ | |
2599 | if (next_lface_id == lface_id_to_name_size) | |
0065d054 | 2600 | lface_id_to_name = |
d311d28c | 2601 | xpalloc (lface_id_to_name, &lface_id_to_name_size, 1, MAX_FACE_ID, |
0065d054 | 2602 | sizeof *lface_id_to_name); |
178c5d9c | 2603 | |
82641697 GM |
2604 | lface_id_to_name[next_lface_id] = face; |
2605 | Fput (face, Qface, make_number (next_lface_id)); | |
2606 | ++next_lface_id; | |
2607 | } | |
2608 | else if (f == NULL) | |
2609 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
dfae5f9a | 2610 | ASET (global_lface, i, Qunspecified); |
178c5d9c | 2611 | |
82641697 GM |
2612 | /* Add a frame-local definition. */ |
2613 | if (f) | |
2614 | { | |
2615 | if (NILP (lface)) | |
2616 | { | |
2617 | lface = Fmake_vector (make_number (LFACE_VECTOR_SIZE), | |
2618 | Qunspecified); | |
dfae5f9a | 2619 | ASET (lface, 0, Qface); |
f00af5b1 | 2620 | fset_face_alist (f, Fcons (Fcons (face, lface), f->face_alist)); |
82641697 GM |
2621 | } |
2622 | else | |
2623 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
dfae5f9a | 2624 | ASET (lface, i, Qunspecified); |
82641697 GM |
2625 | } |
2626 | else | |
2627 | lface = global_lface; | |
2628 | ||
33565969 RS |
2629 | /* Changing a named face means that all realized faces depending on |
2630 | that face are invalid. Since we cannot tell which realized faces | |
2631 | depend on the face, make sure they are all removed. This is done | |
2632 | by incrementing face_change_count. The next call to | |
2633 | init_iterator will then free realized faces. */ | |
46b00436 KS |
2634 | if (NILP (Fget (face, Qface_no_inherit))) |
2635 | { | |
2636 | ++face_change_count; | |
2637 | ++windows_or_buffers_changed; | |
2638 | } | |
33565969 | 2639 | |
a54e2c05 | 2640 | eassert (LFACEP (lface)); |
82641697 GM |
2641 | check_lface (lface); |
2642 | return lface; | |
2643 | } | |
2644 | ||
2645 | ||
2646 | DEFUN ("internal-lisp-face-p", Finternal_lisp_face_p, | |
2647 | Sinternal_lisp_face_p, 1, 2, 0, | |
7ee72033 | 2648 | doc: /* Return non-nil if FACE names a face. |
b84ce3c5 | 2649 | FACE should be a symbol or string. |
1d256714 | 2650 | If optional second argument FRAME is non-nil, check for the |
228299fa | 2651 | existence of a frame-local face with name FACE on that frame. |
7ee72033 | 2652 | Otherwise check for the existence of a global face. */) |
5842a27b | 2653 | (Lisp_Object face, Lisp_Object frame) |
82641697 GM |
2654 | { |
2655 | Lisp_Object lface; | |
178c5d9c | 2656 | |
65fddb74 JB |
2657 | face = resolve_face_name (face, 1); |
2658 | ||
82641697 GM |
2659 | if (!NILP (frame)) |
2660 | { | |
b7826503 | 2661 | CHECK_LIVE_FRAME (frame); |
82641697 GM |
2662 | lface = lface_from_face_name (XFRAME (frame), face, 0); |
2663 | } | |
2664 | else | |
2665 | lface = lface_from_face_name (NULL, face, 0); | |
2666 | ||
2667 | return lface; | |
2668 | } | |
2669 | ||
2670 | ||
2671 | DEFUN ("internal-copy-lisp-face", Finternal_copy_lisp_face, | |
2672 | Sinternal_copy_lisp_face, 4, 4, 0, | |
7ee72033 | 2673 | doc: /* Copy face FROM to TO. |
5e9bab6f RS |
2674 | If FRAME is t, copy the global face definition of FROM. |
2675 | Otherwise, copy the frame-local definition of FROM on FRAME. | |
2676 | If NEW-FRAME is a frame, copy that data into the frame-local | |
d5ab09cd | 2677 | definition of TO on NEW-FRAME. If NEW-FRAME is nil, |
5e9bab6f | 2678 | FRAME controls where the data is copied to. |
228299fa | 2679 | |
5e9bab6f | 2680 | The value is TO. */) |
5842a27b | 2681 | (Lisp_Object from, Lisp_Object to, Lisp_Object frame, Lisp_Object new_frame) |
82641697 GM |
2682 | { |
2683 | Lisp_Object lface, copy; | |
178c5d9c | 2684 | |
b7826503 PJ |
2685 | CHECK_SYMBOL (from); |
2686 | CHECK_SYMBOL (to); | |
82641697 GM |
2687 | |
2688 | if (EQ (frame, Qt)) | |
2689 | { | |
2690 | /* Copy global definition of FROM. We don't make copies of | |
2691 | strings etc. because 20.2 didn't do it either. */ | |
2692 | lface = lface_from_face_name (NULL, from, 1); | |
2693 | copy = Finternal_make_lisp_face (to, Qnil); | |
2694 | } | |
2695 | else | |
2696 | { | |
2697 | /* Copy frame-local definition of FROM. */ | |
5e9bab6f RS |
2698 | if (NILP (new_frame)) |
2699 | new_frame = frame; | |
b7826503 PJ |
2700 | CHECK_LIVE_FRAME (frame); |
2701 | CHECK_LIVE_FRAME (new_frame); | |
82641697 GM |
2702 | lface = lface_from_face_name (XFRAME (frame), from, 1); |
2703 | copy = Finternal_make_lisp_face (to, new_frame); | |
2704 | } | |
178c5d9c | 2705 | |
086ca913 | 2706 | vcopy (copy, 0, XVECTOR (lface)->contents, LFACE_VECTOR_SIZE); |
178c5d9c | 2707 | |
33565969 RS |
2708 | /* Changing a named face means that all realized faces depending on |
2709 | that face are invalid. Since we cannot tell which realized faces | |
2710 | depend on the face, make sure they are all removed. This is done | |
2711 | by incrementing face_change_count. The next call to | |
2712 | init_iterator will then free realized faces. */ | |
46b00436 KS |
2713 | if (NILP (Fget (to, Qface_no_inherit))) |
2714 | { | |
2715 | ++face_change_count; | |
2716 | ++windows_or_buffers_changed; | |
2717 | } | |
33565969 | 2718 | |
82641697 GM |
2719 | return to; |
2720 | } | |
2721 | ||
2722 | ||
2723 | DEFUN ("internal-set-lisp-face-attribute", Finternal_set_lisp_face_attribute, | |
2724 | Sinternal_set_lisp_face_attribute, 3, 4, 0, | |
7ee72033 | 2725 | doc: /* Set attribute ATTR of FACE to VALUE. |
228299fa GM |
2726 | FRAME being a frame means change the face on that frame. |
2727 | FRAME nil means change the face of the selected frame. | |
2728 | FRAME t means change the default for new frames. | |
2729 | FRAME 0 means change the face on all frames, and change the default | |
7ee72033 | 2730 | for new frames. */) |
5842a27b | 2731 | (Lisp_Object face, Lisp_Object attr, Lisp_Object value, Lisp_Object frame) |
82641697 GM |
2732 | { |
2733 | Lisp_Object lface; | |
2734 | Lisp_Object old_value = Qnil; | |
2dee4c0b KH |
2735 | /* Set one of enum font_property_index (> 0) if ATTR is one of |
2736 | font-related attributes other than QCfont and QCfontset. */ | |
2737 | enum font_property_index prop_index = 0; | |
178c5d9c | 2738 | |
b7826503 PJ |
2739 | CHECK_SYMBOL (face); |
2740 | CHECK_SYMBOL (attr); | |
82641697 | 2741 | |
d1bf13b3 | 2742 | face = resolve_face_name (face, 1); |
c7ae3284 | 2743 | |
628436fb GM |
2744 | /* If FRAME is 0, change face on all frames, and change the |
2745 | default for new frames. */ | |
2746 | if (INTEGERP (frame) && XINT (frame) == 0) | |
2747 | { | |
2748 | Lisp_Object tail; | |
d12d0a9b | 2749 | Finternal_set_lisp_face_attribute (face, attr, value, Qt); |
628436fb GM |
2750 | FOR_EACH_FRAME (tail, frame) |
2751 | Finternal_set_lisp_face_attribute (face, attr, value, frame); | |
d12d0a9b | 2752 | return face; |
628436fb GM |
2753 | } |
2754 | ||
82641697 GM |
2755 | /* Set lface to the Lisp attribute vector of FACE. */ |
2756 | if (EQ (frame, Qt)) | |
0268cef3 CY |
2757 | { |
2758 | lface = lface_from_face_name (NULL, face, 1); | |
67d23e01 CY |
2759 | |
2760 | /* When updating face-new-frame-defaults, we put :ignore-defface | |
2761 | where the caller wants `unspecified'. This forces the frame | |
2762 | defaults to ignore the defface value. Otherwise, the defface | |
2763 | will take effect, which is generally not what is intended. | |
2764 | The value of that attribute will be inherited from some other | |
2765 | face during face merging. See internal_merge_in_global_face. */ | |
0268cef3 | 2766 | if (UNSPECIFIEDP (value)) |
a3720aa2 | 2767 | value = QCignore_defface; |
0268cef3 | 2768 | } |
82641697 GM |
2769 | else |
2770 | { | |
2771 | if (NILP (frame)) | |
c0617987 | 2772 | frame = selected_frame; |
178c5d9c | 2773 | |
b7826503 | 2774 | CHECK_LIVE_FRAME (frame); |
82641697 | 2775 | lface = lface_from_face_name (XFRAME (frame), face, 0); |
178c5d9c | 2776 | |
82641697 GM |
2777 | /* If a frame-local face doesn't exist yet, create one. */ |
2778 | if (NILP (lface)) | |
2779 | lface = Finternal_make_lisp_face (face, frame); | |
2780 | } | |
2781 | ||
2782 | if (EQ (attr, QCfamily)) | |
2783 | { | |
2ff10663 | 2784 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 | 2785 | { |
b7826503 | 2786 | CHECK_STRING (value); |
d5db4077 | 2787 | if (SCHARS (value) == 0) |
82641697 GM |
2788 | signal_error ("Invalid face family", value); |
2789 | } | |
2790 | old_value = LFACE_FAMILY (lface); | |
4939150c | 2791 | ASET (lface, LFACE_FAMILY_INDEX, value); |
2dee4c0b | 2792 | prop_index = FONT_FAMILY_INDEX; |
82641697 | 2793 | } |
53aaf1e2 KH |
2794 | else if (EQ (attr, QCfoundry)) |
2795 | { | |
2796 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) | |
2797 | { | |
2798 | CHECK_STRING (value); | |
2799 | if (SCHARS (value) == 0) | |
2800 | signal_error ("Invalid face foundry", value); | |
2801 | } | |
2802 | old_value = LFACE_FOUNDRY (lface); | |
4939150c | 2803 | ASET (lface, LFACE_FOUNDRY_INDEX, value); |
53aaf1e2 KH |
2804 | prop_index = FONT_FOUNDRY_INDEX; |
2805 | } | |
82641697 GM |
2806 | else if (EQ (attr, QCheight)) |
2807 | { | |
2ff10663 | 2808 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 | 2809 | { |
e66d5363 CY |
2810 | if (EQ (face, Qdefault)) |
2811 | { | |
2812 | /* The default face must have an absolute size. */ | |
2813 | if (!INTEGERP (value) || XINT (value) <= 0) | |
b5f03016 AS |
2814 | signal_error ("Default face height not absolute and positive", |
2815 | value); | |
e66d5363 CY |
2816 | } |
2817 | else | |
2818 | { | |
2819 | /* For non-default faces, do a test merge with a random | |
2820 | height to see if VALUE's ok. */ | |
2821 | Lisp_Object test = merge_face_heights (value, | |
2822 | make_number (10), | |
2823 | Qnil); | |
2824 | if (!INTEGERP (test) || XINT (test) <= 0) | |
b5f03016 AS |
2825 | signal_error ("Face height does not produce a positive integer", |
2826 | value); | |
e66d5363 | 2827 | } |
82641697 | 2828 | } |
2c20458f | 2829 | |
82641697 | 2830 | old_value = LFACE_HEIGHT (lface); |
4939150c | 2831 | ASET (lface, LFACE_HEIGHT_INDEX, value); |
2dee4c0b | 2832 | prop_index = FONT_SIZE_INDEX; |
82641697 GM |
2833 | } |
2834 | else if (EQ (attr, QCweight)) | |
2835 | { | |
2ff10663 | 2836 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 | 2837 | { |
b7826503 | 2838 | CHECK_SYMBOL (value); |
2dee4c0b | 2839 | if (FONT_WEIGHT_NAME_NUMERIC (value) < 0) |
82641697 GM |
2840 | signal_error ("Invalid face weight", value); |
2841 | } | |
2842 | old_value = LFACE_WEIGHT (lface); | |
4939150c | 2843 | ASET (lface, LFACE_WEIGHT_INDEX, value); |
2dee4c0b | 2844 | prop_index = FONT_WEIGHT_INDEX; |
82641697 GM |
2845 | } |
2846 | else if (EQ (attr, QCslant)) | |
2847 | { | |
2ff10663 | 2848 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 | 2849 | { |
b7826503 | 2850 | CHECK_SYMBOL (value); |
2dee4c0b | 2851 | if (FONT_SLANT_NAME_NUMERIC (value) < 0) |
82641697 GM |
2852 | signal_error ("Invalid face slant", value); |
2853 | } | |
2854 | old_value = LFACE_SLANT (lface); | |
4939150c | 2855 | ASET (lface, LFACE_SLANT_INDEX, value); |
2dee4c0b | 2856 | prop_index = FONT_SLANT_INDEX; |
82641697 GM |
2857 | } |
2858 | else if (EQ (attr, QCunderline)) | |
2859 | { | |
9b0e3eba | 2860 | int valid_p = 0; |
38182d90 | 2861 | |
9b0e3eba AA |
2862 | if (UNSPECIFIEDP (value) || IGNORE_DEFFACE_P (value)) |
2863 | valid_p = 1; | |
2864 | else if (NILP (value) || EQ (value, Qt)) | |
2865 | valid_p = 1; | |
2866 | else if (STRINGP (value) && SCHARS (value) > 0) | |
2867 | valid_p = 1; | |
2868 | else if (CONSP (value)) | |
2869 | { | |
2870 | Lisp_Object key, val, list; | |
2871 | ||
2872 | list = value; | |
bde3c6c0 GM |
2873 | /* FIXME? This errs on the side of acceptance. Eg it accepts: |
2874 | (defface foo '((t :underline 'foo) "doc") | |
2875 | Maybe this is intentional, maybe it isn't. | |
2876 | Non-nil symbols other than t are not documented as being valid. | |
2877 | Eg compare with inverse-video, which explicitly rejects them. | |
2878 | */ | |
9b0e3eba AA |
2879 | valid_p = 1; |
2880 | ||
2881 | while (!NILP (CAR_SAFE(list))) | |
2882 | { | |
2883 | key = CAR_SAFE (list); | |
2884 | list = CDR_SAFE (list); | |
2885 | val = CAR_SAFE (list); | |
2886 | list = CDR_SAFE (list); | |
38182d90 PE |
2887 | |
2888 | if (NILP (key) || NILP (val)) | |
9b0e3eba AA |
2889 | { |
2890 | valid_p = 0; | |
2891 | break; | |
2892 | } | |
2893 | ||
2894 | else if (EQ (key, QCcolor) | |
2895 | && !(EQ (val, Qforeground_color) | |
2896 | || (STRINGP (val) && SCHARS (val) > 0))) | |
2897 | { | |
2898 | valid_p = 0; | |
2899 | break; | |
2900 | } | |
38182d90 PE |
2901 | |
2902 | else if (EQ (key, QCstyle) | |
9b0e3eba AA |
2903 | && !(EQ (val, Qline) || EQ (val, Qwave))) |
2904 | { | |
2905 | valid_p = 0; | |
2906 | break; | |
2907 | } | |
2908 | } | |
2909 | } | |
38182d90 | 2910 | |
9b0e3eba AA |
2911 | if (!valid_p) |
2912 | signal_error ("Invalid face underline", value); | |
38182d90 | 2913 | |
82641697 | 2914 | old_value = LFACE_UNDERLINE (lface); |
4939150c | 2915 | ASET (lface, LFACE_UNDERLINE_INDEX, value); |
82641697 GM |
2916 | } |
2917 | else if (EQ (attr, QCoverline)) | |
2918 | { | |
2ff10663 | 2919 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 GM |
2920 | if ((SYMBOLP (value) |
2921 | && !EQ (value, Qt) | |
2922 | && !EQ (value, Qnil)) | |
2923 | /* Overline color. */ | |
2924 | || (STRINGP (value) | |
d5db4077 | 2925 | && SCHARS (value) == 0)) |
82641697 | 2926 | signal_error ("Invalid face overline", value); |
178c5d9c | 2927 | |
82641697 | 2928 | old_value = LFACE_OVERLINE (lface); |
4939150c | 2929 | ASET (lface, LFACE_OVERLINE_INDEX, value); |
82641697 GM |
2930 | } |
2931 | else if (EQ (attr, QCstrike_through)) | |
2932 | { | |
2ff10663 | 2933 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 GM |
2934 | if ((SYMBOLP (value) |
2935 | && !EQ (value, Qt) | |
2936 | && !EQ (value, Qnil)) | |
2937 | /* Strike-through color. */ | |
2938 | || (STRINGP (value) | |
d5db4077 | 2939 | && SCHARS (value) == 0)) |
82641697 | 2940 | signal_error ("Invalid face strike-through", value); |
178c5d9c | 2941 | |
82641697 | 2942 | old_value = LFACE_STRIKE_THROUGH (lface); |
4939150c | 2943 | ASET (lface, LFACE_STRIKE_THROUGH_INDEX, value); |
82641697 GM |
2944 | } |
2945 | else if (EQ (attr, QCbox)) | |
2946 | { | |
2947 | int valid_p; | |
178c5d9c | 2948 | |
82641697 | 2949 | /* Allow t meaning a simple box of width 1 in foreground color |
b5f03016 | 2950 | of the face. */ |
82641697 GM |
2951 | if (EQ (value, Qt)) |
2952 | value = make_number (1); | |
2953 | ||
2ff10663 | 2954 | if (UNSPECIFIEDP (value) || IGNORE_DEFFACE_P (value)) |
82641697 GM |
2955 | valid_p = 1; |
2956 | else if (NILP (value)) | |
2957 | valid_p = 1; | |
2958 | else if (INTEGERP (value)) | |
89624b8b | 2959 | valid_p = XINT (value) != 0; |
82641697 | 2960 | else if (STRINGP (value)) |
d5db4077 | 2961 | valid_p = SCHARS (value) > 0; |
82641697 GM |
2962 | else if (CONSP (value)) |
2963 | { | |
2964 | Lisp_Object tem; | |
178c5d9c | 2965 | |
82641697 GM |
2966 | tem = value; |
2967 | while (CONSP (tem)) | |
2968 | { | |
2969 | Lisp_Object k, v; | |
2970 | ||
2971 | k = XCAR (tem); | |
2972 | tem = XCDR (tem); | |
2973 | if (!CONSP (tem)) | |
2974 | break; | |
2975 | v = XCAR (tem); | |
2976 | tem = XCDR (tem); | |
178c5d9c | 2977 | |
82641697 GM |
2978 | if (EQ (k, QCline_width)) |
2979 | { | |
89624b8b | 2980 | if (!INTEGERP (v) || XINT (v) == 0) |
82641697 GM |
2981 | break; |
2982 | } | |
2983 | else if (EQ (k, QCcolor)) | |
2984 | { | |
91c212f1 | 2985 | if (!NILP (v) && (!STRINGP (v) || SCHARS (v) == 0)) |
82641697 GM |
2986 | break; |
2987 | } | |
2988 | else if (EQ (k, QCstyle)) | |
2989 | { | |
2990 | if (!EQ (v, Qpressed_button) && !EQ (v, Qreleased_button)) | |
2991 | break; | |
2992 | } | |
2993 | else | |
2994 | break; | |
2995 | } | |
2996 | ||
2997 | valid_p = NILP (tem); | |
2998 | } | |
2999 | else | |
3000 | valid_p = 0; | |
3001 | ||
3002 | if (!valid_p) | |
3003 | signal_error ("Invalid face box", value); | |
178c5d9c | 3004 | |
82641697 | 3005 | old_value = LFACE_BOX (lface); |
4939150c | 3006 | ASET (lface, LFACE_BOX_INDEX, value); |
82641697 GM |
3007 | } |
3008 | else if (EQ (attr, QCinverse_video) | |
3009 | || EQ (attr, QCreverse_video)) | |
3010 | { | |
2ff10663 | 3011 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 | 3012 | { |
b7826503 | 3013 | CHECK_SYMBOL (value); |
82641697 GM |
3014 | if (!EQ (value, Qt) && !NILP (value)) |
3015 | signal_error ("Invalid inverse-video face attribute value", value); | |
3016 | } | |
3017 | old_value = LFACE_INVERSE (lface); | |
4939150c | 3018 | ASET (lface, LFACE_INVERSE_INDEX, value); |
82641697 GM |
3019 | } |
3020 | else if (EQ (attr, QCforeground)) | |
3021 | { | |
ca6888b6 CY |
3022 | /* Compatibility with 20.x. */ |
3023 | if (NILP (value)) | |
3024 | value = Qunspecified; | |
2ff10663 | 3025 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 GM |
3026 | { |
3027 | /* Don't check for valid color names here because it depends | |
3028 | on the frame (display) whether the color will be valid | |
3029 | when the face is realized. */ | |
b7826503 | 3030 | CHECK_STRING (value); |
d5db4077 | 3031 | if (SCHARS (value) == 0) |
82641697 GM |
3032 | signal_error ("Empty foreground color value", value); |
3033 | } | |
3034 | old_value = LFACE_FOREGROUND (lface); | |
4939150c | 3035 | ASET (lface, LFACE_FOREGROUND_INDEX, value); |
82641697 GM |
3036 | } |
3037 | else if (EQ (attr, QCbackground)) | |
3038 | { | |
ca6888b6 CY |
3039 | /* Compatibility with 20.x. */ |
3040 | if (NILP (value)) | |
3041 | value = Qunspecified; | |
2ff10663 | 3042 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 GM |
3043 | { |
3044 | /* Don't check for valid color names here because it depends | |
3045 | on the frame (display) whether the color will be valid | |
3046 | when the face is realized. */ | |
b7826503 | 3047 | CHECK_STRING (value); |
d5db4077 | 3048 | if (SCHARS (value) == 0) |
82641697 GM |
3049 | signal_error ("Empty background color value", value); |
3050 | } | |
3051 | old_value = LFACE_BACKGROUND (lface); | |
4939150c | 3052 | ASET (lface, LFACE_BACKGROUND_INDEX, value); |
82641697 GM |
3053 | } |
3054 | else if (EQ (attr, QCstipple)) | |
3055 | { | |
17a2cbbd | 3056 | #if defined (HAVE_WINDOW_SYSTEM) |
2ff10663 | 3057 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value) |
82641697 | 3058 | && !NILP (value) |
fef04523 | 3059 | && NILP (Fbitmap_spec_p (value))) |
82641697 GM |
3060 | signal_error ("Invalid stipple attribute", value); |
3061 | old_value = LFACE_STIPPLE (lface); | |
4939150c | 3062 | ASET (lface, LFACE_STIPPLE_INDEX, value); |
17a2cbbd | 3063 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
3064 | } |
3065 | else if (EQ (attr, QCwidth)) | |
3066 | { | |
2ff10663 | 3067 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
82641697 | 3068 | { |
b7826503 | 3069 | CHECK_SYMBOL (value); |
2dee4c0b | 3070 | if (FONT_WIDTH_NAME_NUMERIC (value) < 0) |
82641697 GM |
3071 | signal_error ("Invalid face width", value); |
3072 | } | |
3073 | old_value = LFACE_SWIDTH (lface); | |
4939150c | 3074 | ASET (lface, LFACE_SWIDTH_INDEX, value); |
2dee4c0b | 3075 | prop_index = FONT_WIDTH_INDEX; |
82641697 | 3076 | } |
2dee4c0b | 3077 | else if (EQ (attr, QCfont)) |
82641697 | 3078 | { |
c3cee013 | 3079 | #ifdef HAVE_WINDOW_SYSTEM |
3d90c96c | 3080 | if (EQ (frame, Qt) || FRAME_WINDOW_P (XFRAME (frame))) |
96fbd2c6 | 3081 | { |
2dee4c0b | 3082 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value)) |
f4d3bea3 | 3083 | { |
2dee4c0b KH |
3084 | FRAME_PTR f; |
3085 | ||
3086 | old_value = LFACE_FONT (lface); | |
3087 | if (! FONTP (value)) | |
f4d3bea3 | 3088 | { |
2dee4c0b KH |
3089 | if (STRINGP (value)) |
3090 | { | |
21bdb81a CY |
3091 | Lisp_Object name = value; |
3092 | int fontset = fs_query_fontset (name, 0); | |
2dee4c0b KH |
3093 | |
3094 | if (fontset >= 0) | |
21bdb81a CY |
3095 | name = fontset_ascii (fontset); |
3096 | value = font_spec_from_name (name); | |
3097 | if (!FONTP (value)) | |
3098 | signal_error ("Invalid font name", name); | |
2dee4c0b KH |
3099 | } |
3100 | else | |
3101 | signal_error ("Invalid font or font-spec", value); | |
f4d3bea3 | 3102 | } |
2dee4c0b KH |
3103 | if (EQ (frame, Qt)) |
3104 | f = XFRAME (selected_frame); | |
f4d3bea3 | 3105 | else |
2dee4c0b KH |
3106 | f = XFRAME (frame); |
3107 | if (! FONT_OBJECT_P (value)) | |
f4d3bea3 | 3108 | { |
2dee4c0b | 3109 | Lisp_Object *attrs = XVECTOR (lface)->contents; |
f4d3bea3 KH |
3110 | Lisp_Object font_object; |
3111 | ||
2dee4c0b | 3112 | font_object = font_load_for_lface (f, attrs, value); |
db1c10a2 | 3113 | if (NILP (font_object)) |
2dee4c0b KH |
3114 | signal_error ("Font not available", value); |
3115 | value = font_object; | |
f4d3bea3 | 3116 | } |
2dee4c0b | 3117 | set_lface_from_font (f, lface, value, 1); |
f4d3bea3 KH |
3118 | } |
3119 | else | |
4939150c | 3120 | ASET (lface, LFACE_FONT_INDEX, value); |
2dee4c0b KH |
3121 | } |
3122 | #endif /* HAVE_WINDOW_SYSTEM */ | |
3123 | } | |
3124 | else if (EQ (attr, QCfontset)) | |
3125 | { | |
3126 | #ifdef HAVE_WINDOW_SYSTEM | |
3127 | if (EQ (frame, Qt) || FRAME_WINDOW_P (XFRAME (frame))) | |
3128 | { | |
3129 | Lisp_Object tmp; | |
39506348 | 3130 | |
2dee4c0b KH |
3131 | old_value = LFACE_FONTSET (lface); |
3132 | tmp = Fquery_fontset (value, Qnil); | |
3133 | if (NILP (tmp)) | |
3134 | signal_error ("Invalid fontset name", value); | |
4939150c | 3135 | ASET (lface, LFACE_FONTSET_INDEX, value = tmp); |
96fbd2c6 | 3136 | } |
c3cee013 | 3137 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 | 3138 | } |
2c20458f MB |
3139 | else if (EQ (attr, QCinherit)) |
3140 | { | |
3141 | Lisp_Object tail; | |
3142 | if (SYMBOLP (value)) | |
3143 | tail = Qnil; | |
3144 | else | |
3145 | for (tail = value; CONSP (tail); tail = XCDR (tail)) | |
3146 | if (!SYMBOLP (XCAR (tail))) | |
3147 | break; | |
3148 | if (NILP (tail)) | |
4939150c | 3149 | ASET (lface, LFACE_INHERIT_INDEX, value); |
2c20458f | 3150 | else |
6288c62f | 3151 | signal_error ("Invalid face inheritance", value); |
2c20458f | 3152 | } |
82641697 GM |
3153 | else if (EQ (attr, QCbold)) |
3154 | { | |
3155 | old_value = LFACE_WEIGHT (lface); | |
4939150c | 3156 | ASET (lface, LFACE_WEIGHT_INDEX, NILP (value) ? Qnormal : Qbold); |
2dee4c0b | 3157 | prop_index = FONT_WEIGHT_INDEX; |
82641697 GM |
3158 | } |
3159 | else if (EQ (attr, QCitalic)) | |
3160 | { | |
2dee4c0b | 3161 | attr = QCslant; |
82641697 | 3162 | old_value = LFACE_SLANT (lface); |
4939150c | 3163 | ASET (lface, LFACE_SLANT_INDEX, NILP (value) ? Qnormal : Qitalic); |
2dee4c0b | 3164 | prop_index = FONT_SLANT_INDEX; |
82641697 GM |
3165 | } |
3166 | else | |
3167 | signal_error ("Invalid face attribute name", attr); | |
3168 | ||
2dee4c0b | 3169 | if (prop_index) |
e69a00b7 CY |
3170 | { |
3171 | /* If a font-related attribute other than QCfont and QCfontset | |
3172 | is specified, and if the original QCfont attribute has a font | |
3173 | (font-spec or font-object), set the corresponding property in | |
3174 | the font to nil so that the font selector doesn't think that | |
3175 | the attribute is mandatory. Also, clear the average | |
3176 | width. */ | |
3177 | font_clear_prop (XVECTOR (lface)->contents, prop_index); | |
e69a00b7 | 3178 | } |
39506348 | 3179 | |
82641697 GM |
3180 | /* Changing a named face means that all realized faces depending on |
3181 | that face are invalid. Since we cannot tell which realized faces | |
3182 | depend on the face, make sure they are all removed. This is done | |
3183 | by incrementing face_change_count. The next call to | |
3184 | init_iterator will then free realized faces. */ | |
3185 | if (!EQ (frame, Qt) | |
46b00436 | 3186 | && NILP (Fget (face, Qface_no_inherit)) |
2dee4c0b | 3187 | && NILP (Fequal (old_value, value))) |
82641697 GM |
3188 | { |
3189 | ++face_change_count; | |
3190 | ++windows_or_buffers_changed; | |
3191 | } | |
3192 | ||
2ff10663 | 3193 | if (!UNSPECIFIEDP (value) && !IGNORE_DEFFACE_P (value) |
82641697 | 3194 | && NILP (Fequal (old_value, value))) |
8bd201d6 GM |
3195 | { |
3196 | Lisp_Object param; | |
3197 | ||
3198 | param = Qnil; | |
178c5d9c | 3199 | |
8bd201d6 GM |
3200 | if (EQ (face, Qdefault)) |
3201 | { | |
b9c769f8 | 3202 | #ifdef HAVE_WINDOW_SYSTEM |
8bd201d6 GM |
3203 | /* Changed font-related attributes of the `default' face are |
3204 | reflected in changed `font' frame parameters. */ | |
ceeda019 | 3205 | if (FRAMEP (frame) |
2dee4c0b | 3206 | && (prop_index || EQ (attr, QCfont)) |
8bd201d6 GM |
3207 | && lface_fully_specified_p (XVECTOR (lface)->contents)) |
3208 | set_font_frame_param (frame, lface); | |
b9c769f8 EZ |
3209 | else |
3210 | #endif /* HAVE_WINDOW_SYSTEM */ | |
3211 | ||
3212 | if (EQ (attr, QCforeground)) | |
8bd201d6 GM |
3213 | param = Qforeground_color; |
3214 | else if (EQ (attr, QCbackground)) | |
3215 | param = Qbackground_color; | |
3216 | } | |
b9c769f8 | 3217 | #ifdef HAVE_WINDOW_SYSTEM |
0fda9b75 | 3218 | #ifndef HAVE_NTGUI |
8bd201d6 GM |
3219 | else if (EQ (face, Qscroll_bar)) |
3220 | { | |
3221 | /* Changing the colors of `scroll-bar' sets frame parameters | |
3222 | `scroll-bar-foreground' and `scroll-bar-background'. */ | |
3223 | if (EQ (attr, QCforeground)) | |
3224 | param = Qscroll_bar_foreground; | |
3225 | else if (EQ (attr, QCbackground)) | |
3226 | param = Qscroll_bar_background; | |
3227 | } | |
0fda9b75 | 3228 | #endif /* not HAVE_NTGUI */ |
8bd201d6 GM |
3229 | else if (EQ (face, Qborder)) |
3230 | { | |
3231 | /* Changing background color of `border' sets frame parameter | |
3232 | `border-color'. */ | |
3233 | if (EQ (attr, QCbackground)) | |
3234 | param = Qborder_color; | |
3235 | } | |
3236 | else if (EQ (face, Qcursor)) | |
3237 | { | |
3238 | /* Changing background color of `cursor' sets frame parameter | |
3239 | `cursor-color'. */ | |
3240 | if (EQ (attr, QCbackground)) | |
3241 | param = Qcursor_color; | |
3242 | } | |
3243 | else if (EQ (face, Qmouse)) | |
3244 | { | |
3245 | /* Changing background color of `mouse' sets frame parameter | |
3246 | `mouse-color'. */ | |
3247 | if (EQ (attr, QCbackground)) | |
3248 | param = Qmouse_color; | |
3249 | } | |
b9c769f8 | 3250 | #endif /* HAVE_WINDOW_SYSTEM */ |
563f68f1 | 3251 | else if (EQ (face, Qmenu)) |
ceeda019 GM |
3252 | { |
3253 | /* Indicate that we have to update the menu bar when | |
3254 | realizing faces on FRAME. FRAME t change the | |
3255 | default for new frames. We do this by setting | |
3256 | setting the flag in new face caches */ | |
3257 | if (FRAMEP (frame)) | |
3258 | { | |
3259 | struct frame *f = XFRAME (frame); | |
3260 | if (FRAME_FACE_CACHE (f) == NULL) | |
3261 | FRAME_FACE_CACHE (f) = make_face_cache (f); | |
3262 | FRAME_FACE_CACHE (f)->menu_face_changed_p = 1; | |
3263 | } | |
3264 | else | |
3265 | menu_face_changed_default = 1; | |
3266 | } | |
8bd201d6 | 3267 | |
39506348 | 3268 | if (!NILP (param)) |
ab8469eb PJ |
3269 | { |
3270 | if (EQ (frame, Qt)) | |
3271 | /* Update `default-frame-alist', which is used for new frames. */ | |
3272 | { | |
3273 | store_in_alist (&Vdefault_frame_alist, param, value); | |
3274 | } | |
3275 | else | |
3276 | /* Update the current frame's parameters. */ | |
3277 | { | |
3278 | Lisp_Object cons; | |
3279 | cons = XCAR (Vparam_value_alist); | |
3280 | XSETCAR (cons, param); | |
3281 | XSETCDR (cons, value); | |
3282 | Fmodify_frame_parameters (frame, Vparam_value_alist); | |
3283 | } | |
3284 | } | |
8bd201d6 | 3285 | } |
82641697 | 3286 | |
82641697 GM |
3287 | return face; |
3288 | } | |
3289 | ||
3290 | ||
8bd201d6 GM |
3291 | /* Update the corresponding face when frame parameter PARAM on frame F |
3292 | has been assigned the value NEW_VALUE. */ | |
3293 | ||
3294 | void | |
b5f03016 AS |
3295 | update_face_from_frame_parameter (struct frame *f, Lisp_Object param, |
3296 | Lisp_Object new_value) | |
8bd201d6 | 3297 | { |
46b00436 | 3298 | Lisp_Object face = Qnil; |
8bd201d6 GM |
3299 | Lisp_Object lface; |
3300 | ||
3301 | /* If there are no faces yet, give up. This is the case when called | |
3302 | from Fx_create_frame, and we do the necessary things later in | |
92610620 | 3303 | face-set-after-frame-defaults. */ |
e69b0960 | 3304 | if (NILP (f->face_alist)) |
8bd201d6 | 3305 | return; |
178c5d9c | 3306 | |
8bd201d6 GM |
3307 | if (EQ (param, Qforeground_color)) |
3308 | { | |
46b00436 KS |
3309 | face = Qdefault; |
3310 | lface = lface_from_face_name (f, face, 1); | |
4939150c PE |
3311 | ASET (lface, LFACE_FOREGROUND_INDEX, |
3312 | (STRINGP (new_value) ? new_value : Qunspecified)); | |
8bd201d6 GM |
3313 | realize_basic_faces (f); |
3314 | } | |
3315 | else if (EQ (param, Qbackground_color)) | |
3316 | { | |
92610620 GM |
3317 | Lisp_Object frame; |
3318 | ||
3319 | /* Changing the background color might change the background | |
c20577bc | 3320 | mode, so that we have to load new defface specs. |
64677d90 | 3321 | Call frame-set-background-mode to do that. */ |
92610620 | 3322 | XSETFRAME (frame, f); |
c20577bc | 3323 | call1 (Qframe_set_background_mode, frame); |
178c5d9c | 3324 | |
46b00436 KS |
3325 | face = Qdefault; |
3326 | lface = lface_from_face_name (f, face, 1); | |
4939150c PE |
3327 | ASET (lface, LFACE_BACKGROUND_INDEX, |
3328 | (STRINGP (new_value) ? new_value : Qunspecified)); | |
8bd201d6 GM |
3329 | realize_basic_faces (f); |
3330 | } | |
76ea4cc9 | 3331 | #ifdef HAVE_WINDOW_SYSTEM |
46b00436 | 3332 | else if (EQ (param, Qborder_color)) |
8bd201d6 | 3333 | { |
46b00436 KS |
3334 | face = Qborder; |
3335 | lface = lface_from_face_name (f, face, 1); | |
4939150c PE |
3336 | ASET (lface, LFACE_BACKGROUND_INDEX, |
3337 | (STRINGP (new_value) ? new_value : Qunspecified)); | |
8bd201d6 GM |
3338 | } |
3339 | else if (EQ (param, Qcursor_color)) | |
3340 | { | |
46b00436 KS |
3341 | face = Qcursor; |
3342 | lface = lface_from_face_name (f, face, 1); | |
4939150c PE |
3343 | ASET (lface, LFACE_BACKGROUND_INDEX, |
3344 | (STRINGP (new_value) ? new_value : Qunspecified)); | |
8bd201d6 GM |
3345 | } |
3346 | else if (EQ (param, Qmouse_color)) | |
3347 | { | |
46b00436 KS |
3348 | face = Qmouse; |
3349 | lface = lface_from_face_name (f, face, 1); | |
4939150c PE |
3350 | ASET (lface, LFACE_BACKGROUND_INDEX, |
3351 | (STRINGP (new_value) ? new_value : Qunspecified)); | |
8bd201d6 | 3352 | } |
76ea4cc9 | 3353 | #endif |
46b00436 KS |
3354 | |
3355 | /* Changing a named face means that all realized faces depending on | |
3356 | that face are invalid. Since we cannot tell which realized faces | |
3357 | depend on the face, make sure they are all removed. This is done | |
3358 | by incrementing face_change_count. The next call to | |
3359 | init_iterator will then free realized faces. */ | |
3360 | if (!NILP (face) | |
3361 | && NILP (Fget (face, Qface_no_inherit))) | |
3362 | { | |
3363 | ++face_change_count; | |
3364 | ++windows_or_buffers_changed; | |
3365 | } | |
8bd201d6 GM |
3366 | } |
3367 | ||
3368 | ||
76ea4cc9 EZ |
3369 | #ifdef HAVE_WINDOW_SYSTEM |
3370 | ||
3371 | /* Set the `font' frame parameter of FRAME determined from the | |
3372 | font-object set in `default' face attributes LFACE. */ | |
3373 | ||
3374 | static void | |
971de7fb | 3375 | set_font_frame_param (Lisp_Object frame, Lisp_Object lface) |
76ea4cc9 EZ |
3376 | { |
3377 | struct frame *f = XFRAME (frame); | |
3378 | Lisp_Object font; | |
3379 | ||
3380 | if (FRAME_WINDOW_P (f) | |
3381 | /* Don't do anything if the font is `unspecified'. This can | |
3382 | happen during frame creation. */ | |
3383 | && (font = LFACE_FONT (lface), | |
3384 | ! UNSPECIFIEDP (font))) | |
3385 | { | |
3386 | if (FONT_SPEC_P (font)) | |
3387 | { | |
3388 | font = font_load_for_lface (f, XVECTOR (lface)->contents, font); | |
3389 | if (NILP (font)) | |
3390 | return; | |
4939150c | 3391 | ASET (lface, LFACE_FONT_INDEX, font); |
76ea4cc9 EZ |
3392 | } |
3393 | f->default_face_done_p = 0; | |
3394 | Fmodify_frame_parameters (frame, Fcons (Fcons (Qfont, font), Qnil)); | |
3395 | } | |
3396 | } | |
3397 | ||
3398 | ||
82641697 GM |
3399 | /* Get the value of X resource RESOURCE, class CLASS for the display |
3400 | of frame FRAME. This is here because ordinary `x-get-resource' | |
3401 | doesn't take a frame argument. */ | |
3402 | ||
3403 | DEFUN ("internal-face-x-get-resource", Finternal_face_x_get_resource, | |
7ee72033 | 3404 | Sinternal_face_x_get_resource, 3, 3, 0, doc: /* */) |
5842a27b | 3405 | (Lisp_Object resource, Lisp_Object class, Lisp_Object frame) |
82641697 | 3406 | { |
c3cee013 | 3407 | Lisp_Object value = Qnil; |
b7826503 PJ |
3408 | CHECK_STRING (resource); |
3409 | CHECK_STRING (class); | |
3410 | CHECK_LIVE_FRAME (frame); | |
4d7e6e51 | 3411 | block_input (); |
82641697 GM |
3412 | value = display_x_get_resource (FRAME_X_DISPLAY_INFO (XFRAME (frame)), |
3413 | resource, class, Qnil, Qnil); | |
4d7e6e51 | 3414 | unblock_input (); |
82641697 GM |
3415 | return value; |
3416 | } | |
3417 | ||
3418 | ||
3419 | /* Return resource string VALUE as a boolean value, i.e. nil, or t. | |
3420 | If VALUE is "on" or "true", return t. If VALUE is "off" or | |
3421 | "false", return nil. Otherwise, if SIGNAL_P is non-zero, signal an | |
3422 | error; if SIGNAL_P is zero, return 0. */ | |
178c5d9c | 3423 | |
82641697 | 3424 | static Lisp_Object |
971de7fb | 3425 | face_boolean_x_resource_value (Lisp_Object value, int signal_p) |
82641697 GM |
3426 | { |
3427 | Lisp_Object result = make_number (0); | |
3428 | ||
a54e2c05 | 3429 | eassert (STRINGP (value)); |
178c5d9c | 3430 | |
25a48bd0 PE |
3431 | if (xstrcasecmp (SSDATA (value), "on") == 0 |
3432 | || xstrcasecmp (SSDATA (value), "true") == 0) | |
82641697 | 3433 | result = Qt; |
25a48bd0 PE |
3434 | else if (xstrcasecmp (SSDATA (value), "off") == 0 |
3435 | || xstrcasecmp (SSDATA (value), "false") == 0) | |
82641697 | 3436 | result = Qnil; |
25a48bd0 | 3437 | else if (xstrcasecmp (SSDATA (value), "unspecified") == 0) |
82641697 GM |
3438 | result = Qunspecified; |
3439 | else if (signal_p) | |
3440 | signal_error ("Invalid face attribute value from X resource", value); | |
3441 | ||
3442 | return result; | |
3443 | } | |
3444 | ||
3445 | ||
3446 | DEFUN ("internal-set-lisp-face-attribute-from-resource", | |
3447 | Finternal_set_lisp_face_attribute_from_resource, | |
3448 | Sinternal_set_lisp_face_attribute_from_resource, | |
7ee72033 | 3449 | 3, 4, 0, doc: /* */) |
5842a27b | 3450 | (Lisp_Object face, Lisp_Object attr, Lisp_Object value, Lisp_Object frame) |
82641697 | 3451 | { |
b7826503 PJ |
3452 | CHECK_SYMBOL (face); |
3453 | CHECK_SYMBOL (attr); | |
3454 | CHECK_STRING (value); | |
82641697 | 3455 | |
25a48bd0 | 3456 | if (xstrcasecmp (SSDATA (value), "unspecified") == 0) |
82641697 GM |
3457 | value = Qunspecified; |
3458 | else if (EQ (attr, QCheight)) | |
3459 | { | |
3460 | value = Fstring_to_number (value, make_number (10)); | |
3461 | if (XINT (value) <= 0) | |
3462 | signal_error ("Invalid face height from X resource", value); | |
3463 | } | |
3464 | else if (EQ (attr, QCbold) || EQ (attr, QCitalic)) | |
3465 | value = face_boolean_x_resource_value (value, 1); | |
3466 | else if (EQ (attr, QCweight) || EQ (attr, QCslant) || EQ (attr, QCwidth)) | |
42a5b22f | 3467 | value = intern (SSDATA (value)); |
82641697 GM |
3468 | else if (EQ (attr, QCreverse_video) || EQ (attr, QCinverse_video)) |
3469 | value = face_boolean_x_resource_value (value, 1); | |
3470 | else if (EQ (attr, QCunderline) | |
3471 | || EQ (attr, QCoverline) | |
27188d11 | 3472 | || EQ (attr, QCstrike_through)) |
82641697 GM |
3473 | { |
3474 | Lisp_Object boolean_value; | |
3475 | ||
3476 | /* If the result of face_boolean_x_resource_value is t or nil, | |
3477 | VALUE does NOT specify a color. */ | |
3478 | boolean_value = face_boolean_x_resource_value (value, 0); | |
3479 | if (SYMBOLP (boolean_value)) | |
3480 | value = boolean_value; | |
3481 | } | |
0ad040ff | 3482 | else if (EQ (attr, QCbox) || EQ (attr, QCinherit)) |
27188d11 | 3483 | value = Fcar (Fread_from_string (value, Qnil, Qnil)); |
82641697 GM |
3484 | |
3485 | return Finternal_set_lisp_face_attribute (face, attr, value, frame); | |
3486 | } | |
3487 | ||
c3cee013 | 3488 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 | 3489 | |
c7ae3284 GM |
3490 | \f |
3491 | /*********************************************************************** | |
3492 | Menu face | |
3493 | ***********************************************************************/ | |
3494 | ||
bce72079 | 3495 | #if defined HAVE_X_WINDOWS && defined USE_X_TOOLKIT |
c7ae3284 | 3496 | |
bce72079 GM |
3497 | /* Make menus on frame F appear as specified by the `menu' face. */ |
3498 | ||
3499 | static void | |
ebd15611 | 3500 | x_update_menu_appearance (struct frame *f) |
c7ae3284 | 3501 | { |
a03ad468 | 3502 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); |
bce72079 | 3503 | XrmDatabase rdb; |
178c5d9c | 3504 | |
bce72079 GM |
3505 | if (dpyinfo |
3506 | && (rdb = XrmGetDatabase (FRAME_X_DISPLAY (f)), | |
3507 | rdb != NULL)) | |
c7ae3284 | 3508 | { |
bce72079 | 3509 | char line[512]; |
670741ab PE |
3510 | char *buf = line; |
3511 | ptrdiff_t bufsize = sizeof line; | |
bce72079 GM |
3512 | Lisp_Object lface = lface_from_face_name (f, Qmenu, 1); |
3513 | struct face *face = FACE_FROM_ID (f, MENU_FACE_ID); | |
42a5b22f | 3514 | const char *myname = SSDATA (Vx_resource_name); |
bce72079 | 3515 | int changed_p = 0; |
8ad582ac GM |
3516 | #ifdef USE_MOTIF |
3517 | const char *popup_path = "popup_menu"; | |
3518 | #else | |
3519 | const char *popup_path = "menu.popup"; | |
3520 | #endif | |
177c0ea7 | 3521 | |
bce72079 GM |
3522 | if (STRINGP (LFACE_FOREGROUND (lface))) |
3523 | { | |
670741ab PE |
3524 | exprintf (&buf, &bufsize, line, -1, "%s.%s*foreground: %s", |
3525 | myname, popup_path, | |
3526 | SDATA (LFACE_FOREGROUND (lface))); | |
bce72079 | 3527 | XrmPutLineResource (&rdb, line); |
670741ab PE |
3528 | exprintf (&buf, &bufsize, line, -1, "%s.pane.menubar*foreground: %s", |
3529 | myname, SDATA (LFACE_FOREGROUND (lface))); | |
bce72079 GM |
3530 | XrmPutLineResource (&rdb, line); |
3531 | changed_p = 1; | |
3532 | } | |
178c5d9c | 3533 | |
bce72079 GM |
3534 | if (STRINGP (LFACE_BACKGROUND (lface))) |
3535 | { | |
670741ab PE |
3536 | exprintf (&buf, &bufsize, line, -1, "%s.%s*background: %s", |
3537 | myname, popup_path, | |
3538 | SDATA (LFACE_BACKGROUND (lface))); | |
bce72079 | 3539 | XrmPutLineResource (&rdb, line); |
670741ab PE |
3540 | |
3541 | exprintf (&buf, &bufsize, line, -1, "%s.pane.menubar*background: %s", | |
3542 | myname, SDATA (LFACE_BACKGROUND (lface))); | |
bce72079 GM |
3543 | XrmPutLineResource (&rdb, line); |
3544 | changed_p = 1; | |
3545 | } | |
177c0ea7 | 3546 | |
2dee4c0b | 3547 | if (face->font |
23888717 CY |
3548 | /* On Solaris 5.8, it's been reported that the `menu' face |
3549 | can be unspecified here, during startup. Why this | |
3550 | happens remains unknown. -- cyd */ | |
3551 | && FONTP (LFACE_FONT (lface)) | |
bce72079 | 3552 | && (!UNSPECIFIEDP (LFACE_FAMILY (lface)) |
53aaf1e2 | 3553 | || !UNSPECIFIEDP (LFACE_FOUNDRY (lface)) |
bce72079 | 3554 | || !UNSPECIFIEDP (LFACE_SWIDTH (lface)) |
bce72079 GM |
3555 | || !UNSPECIFIEDP (LFACE_WEIGHT (lface)) |
3556 | || !UNSPECIFIEDP (LFACE_SLANT (lface)) | |
3557 | || !UNSPECIFIEDP (LFACE_HEIGHT (lface)))) | |
3558 | { | |
47ae3723 | 3559 | Lisp_Object xlfd = Ffont_xlfd_name (LFACE_FONT (lface), Qnil); |
a03ad468 | 3560 | #ifdef USE_MOTIF |
bce72079 | 3561 | const char *suffix = "List"; |
211f2210 | 3562 | Bool motif = True; |
a2d7e722 JD |
3563 | #else |
3564 | #if defined HAVE_X_I18N | |
3565 | ||
3566 | const char *suffix = "Set"; | |
a03ad468 | 3567 | #else |
bce72079 | 3568 | const char *suffix = ""; |
a2d7e722 | 3569 | #endif |
211f2210 | 3570 | Bool motif = False; |
2defe37f | 3571 | #endif |
2dee4c0b KH |
3572 | |
3573 | if (! NILP (xlfd)) | |
3574 | { | |
211f2210 | 3575 | #if defined HAVE_X_I18N |
42a5b22f | 3576 | char *fontsetname = xic_create_fontsetname (SSDATA (xlfd), motif); |
2defe37f | 3577 | #else |
51b59d79 | 3578 | char *fontsetname = SSDATA (xlfd); |
bce72079 | 3579 | #endif |
670741ab PE |
3580 | exprintf (&buf, &bufsize, line, -1, "%s.pane.menubar*font%s: %s", |
3581 | myname, suffix, fontsetname); | |
2dee4c0b | 3582 | XrmPutLineResource (&rdb, line); |
670741ab PE |
3583 | |
3584 | exprintf (&buf, &bufsize, line, -1, "%s.%s*font%s: %s", | |
3585 | myname, popup_path, suffix, fontsetname); | |
2dee4c0b KH |
3586 | XrmPutLineResource (&rdb, line); |
3587 | changed_p = 1; | |
51b59d79 | 3588 | if (fontsetname != SSDATA (xlfd)) |
2dee4c0b KH |
3589 | xfree (fontsetname); |
3590 | } | |
bce72079 | 3591 | } |
c7ae3284 | 3592 | |
bce72079 | 3593 | if (changed_p && f->output_data.x->menubar_widget) |
ac17f0bf | 3594 | free_frame_menubar (f); |
670741ab PE |
3595 | |
3596 | if (buf != line) | |
3597 | xfree (buf); | |
c7ae3284 GM |
3598 | } |
3599 | } | |
3600 | ||
bce72079 | 3601 | #endif /* HAVE_X_WINDOWS && USE_X_TOOLKIT */ |
82641697 GM |
3602 | |
3603 | ||
177c0ea7 | 3604 | DEFUN ("face-attribute-relative-p", Fface_attribute_relative_p, |
cdfaafa9 MB |
3605 | Sface_attribute_relative_p, |
3606 | 2, 2, 0, | |
2d6228e7 RS |
3607 | doc: /* Check whether a face attribute value is relative. |
3608 | Specifically, this function returns t if the attribute ATTRIBUTE | |
3609 | with the value VALUE is relative. | |
3610 | ||
3611 | A relative value is one that doesn't entirely override whatever is | |
3612 | inherited from another face. For most possible attributes, | |
3613 | the only relative value that users see is `unspecified'. | |
3614 | However, for :height, floating point values are also relative. */) | |
5842a27b | 3615 | (Lisp_Object attribute, Lisp_Object value) |
cdfaafa9 | 3616 | { |
a3720aa2 | 3617 | if (EQ (value, Qunspecified) || (EQ (value, QCignore_defface))) |
cdfaafa9 MB |
3618 | return Qt; |
3619 | else if (EQ (attribute, QCheight)) | |
3620 | return INTEGERP (value) ? Qnil : Qt; | |
3621 | else | |
3622 | return Qnil; | |
3623 | } | |
3624 | ||
3625 | DEFUN ("merge-face-attribute", Fmerge_face_attribute, Smerge_face_attribute, | |
3626 | 3, 3, 0, | |
3627 | doc: /* Return face ATTRIBUTE VALUE1 merged with VALUE2. | |
3628 | If VALUE1 or VALUE2 are absolute (see `face-attribute-relative-p'), then | |
3629 | the result will be absolute, otherwise it will be relative. */) | |
5842a27b | 3630 | (Lisp_Object attribute, Lisp_Object value1, Lisp_Object value2) |
cdfaafa9 | 3631 | { |
a3720aa2 | 3632 | if (EQ (value1, Qunspecified) || EQ (value1, QCignore_defface)) |
cdfaafa9 MB |
3633 | return value2; |
3634 | else if (EQ (attribute, QCheight)) | |
e1e419ec | 3635 | return merge_face_heights (value1, value2, value1); |
cdfaafa9 MB |
3636 | else |
3637 | return value1; | |
3638 | } | |
3639 | ||
82641697 GM |
3640 | |
3641 | DEFUN ("internal-get-lisp-face-attribute", Finternal_get_lisp_face_attribute, | |
3642 | Sinternal_get_lisp_face_attribute, | |
3643 | 2, 3, 0, | |
7ee72033 | 3644 | doc: /* Return face attribute KEYWORD of face SYMBOL. |
228299fa GM |
3645 | If SYMBOL does not name a valid Lisp face or KEYWORD isn't a valid |
3646 | face attribute name, signal an error. | |
7fc92635 JB |
3647 | If the optional argument FRAME is given, report on face SYMBOL in that |
3648 | frame. If FRAME is t, report on the defaults for face SYMBOL (for new | |
7ee72033 | 3649 | frames). If FRAME is omitted or nil, use the selected frame. */) |
5842a27b | 3650 | (Lisp_Object symbol, Lisp_Object keyword, Lisp_Object frame) |
82641697 | 3651 | { |
d9f07150 DA |
3652 | struct frame *f = EQ (frame, Qt) ? NULL : decode_live_frame (frame); |
3653 | Lisp_Object lface = lface_from_face_name (f, symbol, 1), value = Qnil; | |
178c5d9c | 3654 | |
b7826503 PJ |
3655 | CHECK_SYMBOL (symbol); |
3656 | CHECK_SYMBOL (keyword); | |
82641697 | 3657 | |
82641697 GM |
3658 | if (EQ (keyword, QCfamily)) |
3659 | value = LFACE_FAMILY (lface); | |
53aaf1e2 KH |
3660 | else if (EQ (keyword, QCfoundry)) |
3661 | value = LFACE_FOUNDRY (lface); | |
82641697 GM |
3662 | else if (EQ (keyword, QCheight)) |
3663 | value = LFACE_HEIGHT (lface); | |
3664 | else if (EQ (keyword, QCweight)) | |
3665 | value = LFACE_WEIGHT (lface); | |
3666 | else if (EQ (keyword, QCslant)) | |
3667 | value = LFACE_SLANT (lface); | |
3668 | else if (EQ (keyword, QCunderline)) | |
3669 | value = LFACE_UNDERLINE (lface); | |
3670 | else if (EQ (keyword, QCoverline)) | |
3671 | value = LFACE_OVERLINE (lface); | |
3672 | else if (EQ (keyword, QCstrike_through)) | |
3673 | value = LFACE_STRIKE_THROUGH (lface); | |
3674 | else if (EQ (keyword, QCbox)) | |
3675 | value = LFACE_BOX (lface); | |
3676 | else if (EQ (keyword, QCinverse_video) | |
3677 | || EQ (keyword, QCreverse_video)) | |
3678 | value = LFACE_INVERSE (lface); | |
3679 | else if (EQ (keyword, QCforeground)) | |
3680 | value = LFACE_FOREGROUND (lface); | |
3681 | else if (EQ (keyword, QCbackground)) | |
3682 | value = LFACE_BACKGROUND (lface); | |
3683 | else if (EQ (keyword, QCstipple)) | |
3684 | value = LFACE_STIPPLE (lface); | |
3685 | else if (EQ (keyword, QCwidth)) | |
3686 | value = LFACE_SWIDTH (lface); | |
2c20458f MB |
3687 | else if (EQ (keyword, QCinherit)) |
3688 | value = LFACE_INHERIT (lface); | |
39506348 KH |
3689 | else if (EQ (keyword, QCfont)) |
3690 | value = LFACE_FONT (lface); | |
763bc839 KH |
3691 | else if (EQ (keyword, QCfontset)) |
3692 | value = LFACE_FONTSET (lface); | |
82641697 GM |
3693 | else |
3694 | signal_error ("Invalid face attribute name", keyword); | |
3695 | ||
0268cef3 CY |
3696 | if (IGNORE_DEFFACE_P (value)) |
3697 | return Qunspecified; | |
3698 | ||
82641697 GM |
3699 | return value; |
3700 | } | |
3701 | ||
3702 | ||
3703 | DEFUN ("internal-lisp-face-attribute-values", | |
3704 | Finternal_lisp_face_attribute_values, | |
3705 | Sinternal_lisp_face_attribute_values, 1, 1, 0, | |
7ee72033 MB |
3706 | doc: /* Return a list of valid discrete values for face attribute ATTR. |
3707 | Value is nil if ATTR doesn't have a discrete set of valid values. */) | |
5842a27b | 3708 | (Lisp_Object attr) |
82641697 GM |
3709 | { |
3710 | Lisp_Object result = Qnil; | |
178c5d9c | 3711 | |
b7826503 | 3712 | CHECK_SYMBOL (attr); |
178c5d9c | 3713 | |
2dee4c0b | 3714 | if (EQ (attr, QCunderline)) |
82641697 GM |
3715 | result = Fcons (Qt, Fcons (Qnil, Qnil)); |
3716 | else if (EQ (attr, QCoverline)) | |
3717 | result = Fcons (Qt, Fcons (Qnil, Qnil)); | |
3718 | else if (EQ (attr, QCstrike_through)) | |
3719 | result = Fcons (Qt, Fcons (Qnil, Qnil)); | |
3720 | else if (EQ (attr, QCinverse_video) || EQ (attr, QCreverse_video)) | |
3721 | result = Fcons (Qt, Fcons (Qnil, Qnil)); | |
3722 | ||
3723 | return result; | |
3724 | } | |
178c5d9c | 3725 | |
82641697 GM |
3726 | |
3727 | DEFUN ("internal-merge-in-global-face", Finternal_merge_in_global_face, | |
178c5d9c | 3728 | Sinternal_merge_in_global_face, 2, 2, 0, |
e3cd9e7f | 3729 | doc: /* Add attributes from frame-default definition of FACE to FACE on FRAME. |
7ee72033 | 3730 | Default face attributes override any local face attributes. */) |
5842a27b | 3731 | (Lisp_Object face, Lisp_Object frame) |
82641697 | 3732 | { |
aad40737 MB |
3733 | int i; |
3734 | Lisp_Object global_lface, local_lface, *gvec, *lvec; | |
8d3810fd | 3735 | struct frame *f = XFRAME (frame); |
aad40737 | 3736 | |
b7826503 | 3737 | CHECK_LIVE_FRAME (frame); |
82641697 | 3738 | global_lface = lface_from_face_name (NULL, face, 1); |
8d3810fd | 3739 | local_lface = lface_from_face_name (f, face, 0); |
82641697 GM |
3740 | if (NILP (local_lface)) |
3741 | local_lface = Finternal_make_lisp_face (face, frame); | |
aad40737 | 3742 | |
cec33c90 SM |
3743 | /* Make every specified global attribute override the local one. |
3744 | BEWARE!! This is only used from `face-set-after-frame-default' where | |
3745 | the local frame is defined from default specs in `face-defface-spec' | |
3746 | and those should be overridden by global settings. Hence the strange | |
3747 | "global before local" priority. */ | |
aad40737 MB |
3748 | lvec = XVECTOR (local_lface)->contents; |
3749 | gvec = XVECTOR (global_lface)->contents; | |
3750 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
8d3810fd | 3751 | if (IGNORE_DEFFACE_P (gvec[i])) |
086ca913 | 3752 | ASET (local_lface, i, Qunspecified); |
8d3810fd | 3753 | else if (! UNSPECIFIEDP (gvec[i])) |
086ca913 | 3754 | ASET (local_lface, i, AREF (global_lface, i)); |
8d3810fd | 3755 | |
fa9fa316 | 3756 | /* If the default face was changed, update the face cache and the |
811029d3 | 3757 | `font' frame parameter. */ |
8d3810fd CY |
3758 | if (EQ (face, Qdefault)) |
3759 | { | |
3760 | struct face_cache *c = FRAME_FACE_CACHE (f); | |
3761 | struct face *newface, *oldface = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
3762 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
3763 | ||
0421a7a7 CY |
3764 | /* This can be NULL (e.g., in batch mode). */ |
3765 | if (oldface) | |
8d3810fd | 3766 | { |
fa9fa316 CY |
3767 | /* Ensure that the face vector is fully specified by merging |
3768 | the previously-cached vector. */ | |
72af86bd | 3769 | memcpy (attrs, oldface->lface, sizeof attrs); |
0421a7a7 | 3770 | merge_face_vectors (f, lvec, attrs, 0); |
086ca913 | 3771 | vcopy (local_lface, 0, attrs, LFACE_VECTOR_SIZE); |
fa9fa316 | 3772 | newface = realize_face (c, lvec, DEFAULT_FACE_ID); |
0421a7a7 CY |
3773 | |
3774 | if ((! UNSPECIFIEDP (gvec[LFACE_FAMILY_INDEX]) | |
3775 | || ! UNSPECIFIEDP (gvec[LFACE_FOUNDRY_INDEX]) | |
3776 | || ! UNSPECIFIEDP (gvec[LFACE_HEIGHT_INDEX]) | |
3777 | || ! UNSPECIFIEDP (gvec[LFACE_WEIGHT_INDEX]) | |
3778 | || ! UNSPECIFIEDP (gvec[LFACE_SLANT_INDEX]) | |
3779 | || ! UNSPECIFIEDP (gvec[LFACE_SWIDTH_INDEX]) | |
3780 | || ! UNSPECIFIEDP (gvec[LFACE_FONT_INDEX])) | |
3781 | && newface->font) | |
3782 | { | |
3783 | Lisp_Object name = newface->font->props[FONT_NAME_INDEX]; | |
3784 | Fmodify_frame_parameters (frame, Fcons (Fcons (Qfont, name), | |
3785 | Qnil)); | |
3786 | } | |
1485f4c0 CY |
3787 | |
3788 | if (STRINGP (gvec[LFACE_FOREGROUND_INDEX])) | |
3789 | Fmodify_frame_parameters (frame, | |
3790 | Fcons (Fcons (Qforeground_color, | |
3791 | gvec[LFACE_FOREGROUND_INDEX]), | |
3792 | Qnil)); | |
3793 | ||
3794 | if (STRINGP (gvec[LFACE_BACKGROUND_INDEX])) | |
3795 | Fmodify_frame_parameters (frame, | |
3796 | Fcons (Fcons (Qbackground_color, | |
3797 | gvec[LFACE_BACKGROUND_INDEX]), | |
3798 | Qnil)); | |
8d3810fd CY |
3799 | } |
3800 | } | |
334a2e2a GM |
3801 | |
3802 | return Qnil; | |
82641697 GM |
3803 | } |
3804 | ||
3805 | ||
3806 | /* The following function is implemented for compatibility with 20.2. | |
3807 | The function is used in x-resolve-fonts when it is asked to | |
3808 | return fonts with the same size as the font of a face. This is | |
3809 | done in fontset.el. */ | |
3810 | ||
2db4bfe5 | 3811 | DEFUN ("face-font", Fface_font, Sface_font, 1, 3, 0, |
e3cd9e7f | 3812 | doc: /* Return the font name of face FACE, or nil if it is unspecified. |
2db4bfe5 | 3813 | The font name is, by default, for ASCII characters. |
228299fa GM |
3814 | If the optional argument FRAME is given, report on face FACE in that frame. |
3815 | If FRAME is t, report on the defaults for face FACE (for new frames). | |
3816 | The font default for a face is either nil, or a list | |
3817 | of the form (bold), (italic) or (bold italic). | |
2db4bfe5 KH |
3818 | If FRAME is omitted or nil, use the selected frame. And, in this case, |
3819 | if the optional third argument CHARACTER is given, | |
3820 | return the font name used for CHARACTER. */) | |
5842a27b | 3821 | (Lisp_Object face, Lisp_Object frame, Lisp_Object character) |
82641697 GM |
3822 | { |
3823 | if (EQ (frame, Qt)) | |
3824 | { | |
3825 | Lisp_Object result = Qnil; | |
3826 | Lisp_Object lface = lface_from_face_name (NULL, face, 1); | |
3827 | ||
3828 | if (!UNSPECIFIEDP (LFACE_WEIGHT (lface)) | |
3829 | && !EQ (LFACE_WEIGHT (lface), Qnormal)) | |
3830 | result = Fcons (Qbold, result); | |
178c5d9c | 3831 | |
0f2c6573 | 3832 | if (!UNSPECIFIEDP (LFACE_SLANT (lface)) |
82641697 GM |
3833 | && !EQ (LFACE_SLANT (lface), Qnormal)) |
3834 | result = Fcons (Qitalic, result); | |
178c5d9c | 3835 | |
82641697 GM |
3836 | return result; |
3837 | } | |
3838 | else | |
3839 | { | |
d9f07150 | 3840 | struct frame *f = decode_live_frame (frame); |
000fc2b1 | 3841 | int face_id = lookup_named_face (f, face, 1); |
071048a3 | 3842 | struct face *fface = FACE_FROM_ID (f, face_id); |
2db4bfe5 | 3843 | |
071048a3 | 3844 | if (! fface) |
2db4bfe5 | 3845 | return Qnil; |
a1a552b3 | 3846 | #ifdef HAVE_WINDOW_SYSTEM |
75dad34a | 3847 | if (FRAME_WINDOW_P (f) && !NILP (character)) |
a1a552b3 KH |
3848 | { |
3849 | CHECK_CHARACTER (character); | |
071048a3 PE |
3850 | face_id = FACE_FOR_CHAR (f, fface, XINT (character), -1, Qnil); |
3851 | fface = FACE_FROM_ID (f, face_id); | |
a1a552b3 | 3852 | } |
071048a3 PE |
3853 | return (fface->font |
3854 | ? fface->font->props[FONT_NAME_INDEX] | |
2dee4c0b | 3855 | : Qnil); |
1ccdfd33 EZ |
3856 | #else /* !HAVE_WINDOW_SYSTEM */ |
3857 | return build_string (FRAME_MSDOS_P (f) | |
3858 | ? "ms-dos" | |
3859 | : FRAME_W32_P (f) ? "w32term" | |
3860 | :"tty"); | |
3861 | #endif | |
82641697 GM |
3862 | } |
3863 | } | |
3864 | ||
3865 | ||
9717e36c | 3866 | /* Compare face-attribute values v1 and v2 for equality. Value is non-zero if |
82641697 GM |
3867 | all attributes are `equal'. Tries to be fast because this function |
3868 | is called quite often. */ | |
3869 | ||
b0ab8123 | 3870 | static int |
971de7fb | 3871 | face_attr_equal_p (Lisp_Object v1, Lisp_Object v2) |
82641697 | 3872 | { |
9717e36c MB |
3873 | /* Type can differ, e.g. when one attribute is unspecified, i.e. nil, |
3874 | and the other is specified. */ | |
3875 | if (XTYPE (v1) != XTYPE (v2)) | |
3876 | return 0; | |
82641697 | 3877 | |
9717e36c MB |
3878 | if (EQ (v1, v2)) |
3879 | return 1; | |
82641697 | 3880 | |
9717e36c MB |
3881 | switch (XTYPE (v1)) |
3882 | { | |
3883 | case Lisp_String: | |
3884 | if (SBYTES (v1) != SBYTES (v2)) | |
3885 | return 0; | |
82641697 | 3886 | |
72af86bd | 3887 | return memcmp (SDATA (v1), SDATA (v2), SBYTES (v1)) == 0; |
178c5d9c | 3888 | |
2de9f71c | 3889 | case_Lisp_Int: |
9717e36c MB |
3890 | case Lisp_Symbol: |
3891 | return 0; | |
178c5d9c | 3892 | |
9717e36c MB |
3893 | default: |
3894 | return !NILP (Fequal (v1, v2)); | |
82641697 | 3895 | } |
9717e36c MB |
3896 | } |
3897 | ||
3898 | ||
3899 | /* Compare face vectors V1 and V2 for equality. Value is non-zero if | |
3900 | all attributes are `equal'. Tries to be fast because this function | |
3901 | is called quite often. */ | |
3902 | ||
b0ab8123 | 3903 | static int |
971de7fb | 3904 | lface_equal_p (Lisp_Object *v1, Lisp_Object *v2) |
9717e36c MB |
3905 | { |
3906 | int i, equal_p = 1; | |
3907 | ||
3908 | for (i = 1; i < LFACE_VECTOR_SIZE && equal_p; ++i) | |
3909 | equal_p = face_attr_equal_p (v1[i], v2[i]); | |
178c5d9c | 3910 | |
82641697 GM |
3911 | return equal_p; |
3912 | } | |
3913 | ||
3914 | ||
3915 | DEFUN ("internal-lisp-face-equal-p", Finternal_lisp_face_equal_p, | |
3916 | Sinternal_lisp_face_equal_p, 2, 3, 0, | |
7ee72033 | 3917 | doc: /* True if FACE1 and FACE2 are equal. |
03f11322 JB |
3918 | If the optional argument FRAME is given, report on FACE1 and FACE2 in that frame. |
3919 | If FRAME is t, report on the defaults for FACE1 and FACE2 (for new frames). | |
7ee72033 | 3920 | If FRAME is omitted or nil, use the selected frame. */) |
5842a27b | 3921 | (Lisp_Object face1, Lisp_Object face2, Lisp_Object frame) |
82641697 GM |
3922 | { |
3923 | int equal_p; | |
7b953c9c | 3924 | struct frame *f; |
82641697 | 3925 | Lisp_Object lface1, lface2; |
178c5d9c | 3926 | |
d9f07150 DA |
3927 | /* Don't use check_x_frame here because this function is called |
3928 | before X frames exist. At that time, if FRAME is nil, | |
3929 | selected_frame will be used which is the frame dumped with | |
3930 | Emacs. That frame is not an X frame. */ | |
3931 | f = EQ (frame, Qt) ? NULL : decode_live_frame (frame); | |
7b953c9c | 3932 | |
03f11322 JB |
3933 | lface1 = lface_from_face_name (f, face1, 1); |
3934 | lface2 = lface_from_face_name (f, face2, 1); | |
82641697 GM |
3935 | equal_p = lface_equal_p (XVECTOR (lface1)->contents, |
3936 | XVECTOR (lface2)->contents); | |
3937 | return equal_p ? Qt : Qnil; | |
3938 | } | |
3939 | ||
178c5d9c | 3940 | |
82641697 GM |
3941 | DEFUN ("internal-lisp-face-empty-p", Finternal_lisp_face_empty_p, |
3942 | Sinternal_lisp_face_empty_p, 1, 2, 0, | |
7ee72033 | 3943 | doc: /* True if FACE has no attribute specified. |
228299fa GM |
3944 | If the optional argument FRAME is given, report on face FACE in that frame. |
3945 | If FRAME is t, report on the defaults for face FACE (for new frames). | |
7ee72033 | 3946 | If FRAME is omitted or nil, use the selected frame. */) |
5842a27b | 3947 | (Lisp_Object face, Lisp_Object frame) |
82641697 | 3948 | { |
d9f07150 DA |
3949 | struct frame *f = EQ (frame, Qt) ? NULL : decode_live_frame (frame); |
3950 | Lisp_Object lface = lface_from_face_name (f, face, 1); | |
82641697 GM |
3951 | int i; |
3952 | ||
82641697 | 3953 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) |
a08332c0 | 3954 | if (!UNSPECIFIEDP (AREF (lface, i))) |
82641697 | 3955 | break; |
178c5d9c | 3956 | |
82641697 GM |
3957 | return i == LFACE_VECTOR_SIZE ? Qt : Qnil; |
3958 | } | |
3959 | ||
3960 | ||
3961 | DEFUN ("frame-face-alist", Fframe_face_alist, Sframe_face_alist, | |
178c5d9c | 3962 | 0, 1, 0, |
7ee72033 MB |
3963 | doc: /* Return an alist of frame-local faces defined on FRAME. |
3964 | For internal use only. */) | |
5842a27b | 3965 | (Lisp_Object frame) |
82641697 | 3966 | { |
d9f07150 | 3967 | return decode_live_frame (frame)->face_alist; |
82641697 GM |
3968 | } |
3969 | ||
3970 | ||
3971 | /* Return a hash code for Lisp string STRING with case ignored. Used | |
3972 | below in computing a hash value for a Lisp face. */ | |
3973 | ||
b0ab8123 | 3974 | static unsigned |
971de7fb | 3975 | hash_string_case_insensitive (Lisp_Object string) |
82641697 | 3976 | { |
53c208f6 | 3977 | const unsigned char *s; |
82641697 | 3978 | unsigned hash = 0; |
a54e2c05 | 3979 | eassert (STRINGP (string)); |
d5db4077 | 3980 | for (s = SDATA (string); *s; ++s) |
620f13b0 | 3981 | hash = (hash << 1) ^ c_tolower (*s); |
82641697 GM |
3982 | return hash; |
3983 | } | |
3984 | ||
3985 | ||
3986 | /* Return a hash code for face attribute vector V. */ | |
3987 | ||
b0ab8123 | 3988 | static unsigned |
971de7fb | 3989 | lface_hash (Lisp_Object *v) |
82641697 GM |
3990 | { |
3991 | return (hash_string_case_insensitive (v[LFACE_FAMILY_INDEX]) | |
53aaf1e2 | 3992 | ^ hash_string_case_insensitive (v[LFACE_FOUNDRY_INDEX]) |
82641697 GM |
3993 | ^ hash_string_case_insensitive (v[LFACE_FOREGROUND_INDEX]) |
3994 | ^ hash_string_case_insensitive (v[LFACE_BACKGROUND_INDEX]) | |
a2bc5bdd SM |
3995 | ^ XHASH (v[LFACE_WEIGHT_INDEX]) |
3996 | ^ XHASH (v[LFACE_SLANT_INDEX]) | |
3997 | ^ XHASH (v[LFACE_SWIDTH_INDEX]) | |
3998 | ^ XHASH (v[LFACE_HEIGHT_INDEX])); | |
82641697 GM |
3999 | } |
4000 | ||
4001 | ||
4002 | /* Return non-zero if LFACE1 and LFACE2 specify the same font (without | |
4003 | considering charsets/registries). They do if they specify the same | |
2dee4c0b | 4004 | family, point size, weight, width, slant, and font. Both |
763bc839 | 4005 | LFACE1 and LFACE2 must be fully-specified. */ |
82641697 | 4006 | |
b0ab8123 | 4007 | static int |
971de7fb | 4008 | lface_same_font_attributes_p (Lisp_Object *lface1, Lisp_Object *lface2) |
82641697 | 4009 | { |
a54e2c05 | 4010 | eassert (lface_fully_specified_p (lface1) |
82641697 | 4011 | && lface_fully_specified_p (lface2)); |
25a48bd0 | 4012 | return (xstrcasecmp (SSDATA (lface1[LFACE_FAMILY_INDEX]), |
b5f03016 | 4013 | SSDATA (lface2[LFACE_FAMILY_INDEX])) == 0 |
25a48bd0 PE |
4014 | && xstrcasecmp (SSDATA (lface1[LFACE_FOUNDRY_INDEX]), |
4015 | SSDATA (lface2[LFACE_FOUNDRY_INDEX])) == 0 | |
2c20458f | 4016 | && EQ (lface1[LFACE_HEIGHT_INDEX], lface2[LFACE_HEIGHT_INDEX]) |
82641697 GM |
4017 | && EQ (lface1[LFACE_SWIDTH_INDEX], lface2[LFACE_SWIDTH_INDEX]) |
4018 | && EQ (lface1[LFACE_WEIGHT_INDEX], lface2[LFACE_WEIGHT_INDEX]) | |
39506348 | 4019 | && EQ (lface1[LFACE_SLANT_INDEX], lface2[LFACE_SLANT_INDEX]) |
2dee4c0b | 4020 | && EQ (lface1[LFACE_FONT_INDEX], lface2[LFACE_FONT_INDEX]) |
763bc839 KH |
4021 | && (EQ (lface1[LFACE_FONTSET_INDEX], lface2[LFACE_FONTSET_INDEX]) |
4022 | || (STRINGP (lface1[LFACE_FONTSET_INDEX]) | |
4023 | && STRINGP (lface2[LFACE_FONTSET_INDEX]) | |
25a48bd0 | 4024 | && ! xstrcasecmp (SSDATA (lface1[LFACE_FONTSET_INDEX]), |
b5f03016 | 4025 | SSDATA (lface2[LFACE_FONTSET_INDEX])))) |
763bc839 | 4026 | ); |
82641697 GM |
4027 | } |
4028 | ||
4029 | ||
4030 | \f | |
4031 | /*********************************************************************** | |
4032 | Realized Faces | |
4033 | ***********************************************************************/ | |
4034 | ||
4035 | /* Allocate and return a new realized face for Lisp face attribute | |
39506348 | 4036 | vector ATTR. */ |
82641697 GM |
4037 | |
4038 | static struct face * | |
971de7fb | 4039 | make_realized_face (Lisp_Object *attr) |
82641697 | 4040 | { |
23f86fce | 4041 | struct face *face = xzalloc (sizeof *face); |
39506348 | 4042 | face->ascii_face = face; |
72af86bd | 4043 | memcpy (face->lface, attr, sizeof face->lface); |
82641697 GM |
4044 | return face; |
4045 | } | |
4046 | ||
4047 | ||
4048 | /* Free realized face FACE, including its X resources. FACE may | |
4049 | be null. */ | |
4050 | ||
435f4c28 | 4051 | static void |
971de7fb | 4052 | free_realized_face (struct frame *f, struct face *face) |
82641697 GM |
4053 | { |
4054 | if (face) | |
4055 | { | |
c3cee013 JR |
4056 | #ifdef HAVE_WINDOW_SYSTEM |
4057 | if (FRAME_WINDOW_P (f)) | |
82641697 | 4058 | { |
39506348 KH |
4059 | /* Free fontset of FACE if it is ASCII face. */ |
4060 | if (face->fontset >= 0 && face == face->ascii_face) | |
4061 | free_face_fontset (f, face); | |
82641697 GM |
4062 | if (face->gc) |
4063 | { | |
4d7e6e51 | 4064 | block_input (); |
2dee4c0b | 4065 | if (face->font) |
426b2119 | 4066 | font_done_for_face (f, face); |
82641697 GM |
4067 | x_free_gc (f, face->gc); |
4068 | face->gc = 0; | |
4d7e6e51 | 4069 | unblock_input (); |
82641697 | 4070 | } |
178c5d9c | 4071 | |
82641697 GM |
4072 | free_face_colors (f, face); |
4073 | x_destroy_bitmap (f, face->stipple); | |
4074 | } | |
c3cee013 | 4075 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
4076 | |
4077 | xfree (face); | |
4078 | } | |
4079 | } | |
4080 | ||
4081 | ||
4082 | /* Prepare face FACE for subsequent display on frame F. This | |
4083 | allocated GCs if they haven't been allocated yet or have been freed | |
4084 | by clearing the face cache. */ | |
4085 | ||
4086 | void | |
971de7fb | 4087 | prepare_face_for_display (struct frame *f, struct face *face) |
82641697 | 4088 | { |
c3cee013 | 4089 | #ifdef HAVE_WINDOW_SYSTEM |
a54e2c05 | 4090 | eassert (FRAME_WINDOW_P (f)); |
178c5d9c | 4091 | |
82641697 GM |
4092 | if (face->gc == 0) |
4093 | { | |
4094 | XGCValues xgcv; | |
4095 | unsigned long mask = GCForeground | GCBackground | GCGraphicsExposures; | |
4096 | ||
4097 | xgcv.foreground = face->foreground; | |
4098 | xgcv.background = face->background; | |
c3cee013 | 4099 | #ifdef HAVE_X_WINDOWS |
82641697 | 4100 | xgcv.graphics_exposures = False; |
c3cee013 | 4101 | #endif |
82641697 | 4102 | |
4d7e6e51 | 4103 | block_input (); |
c3cee013 | 4104 | #ifdef HAVE_X_WINDOWS |
82641697 GM |
4105 | if (face->stipple) |
4106 | { | |
be8a72f4 | 4107 | xgcv.fill_style = FillOpaqueStippled; |
82641697 GM |
4108 | xgcv.stipple = x_bitmap_pixmap (f, face->stipple); |
4109 | mask |= GCFillStyle | GCStipple; | |
4110 | } | |
c3cee013 | 4111 | #endif |
82641697 | 4112 | face->gc = x_create_gc (f, mask, &xgcv); |
2dee4c0b | 4113 | if (face->font) |
426b2119 | 4114 | font_prepare_for_face (f, face); |
4d7e6e51 | 4115 | unblock_input (); |
82641697 | 4116 | } |
c3cee013 | 4117 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
4118 | } |
4119 | ||
82641697 | 4120 | \f |
b35df831 MB |
4121 | /* Returns the `distance' between the colors X and Y. */ |
4122 | ||
4123 | static int | |
971de7fb | 4124 | color_distance (XColor *x, XColor *y) |
b35df831 | 4125 | { |
da6062e6 | 4126 | /* This formula is from a paper titled `Colour metric' by Thiadmer Riemersma. |
b35df831 MB |
4127 | Quoting from that paper: |
4128 | ||
b5f03016 AS |
4129 | This formula has results that are very close to L*u*v* (with the |
4130 | modified lightness curve) and, more importantly, it is a more even | |
da6062e6 | 4131 | algorithm: it does not have a range of colors where it suddenly |
b5f03016 | 4132 | gives far from optimal results. |
b35df831 MB |
4133 | |
4134 | See <http://www.compuphase.com/cmetric.htm> for more info. */ | |
4135 | ||
4136 | long r = (x->red - y->red) >> 8; | |
4137 | long g = (x->green - y->green) >> 8; | |
4138 | long b = (x->blue - y->blue) >> 8; | |
4139 | long r_mean = (x->red + y->red) >> 9; | |
4140 | ||
4141 | return | |
4142 | (((512 + r_mean) * r * r) >> 8) | |
4143 | + 4 * g * g | |
4144 | + (((767 - r_mean) * b * b) >> 8); | |
4145 | } | |
4146 | ||
4147 | ||
4148 | DEFUN ("color-distance", Fcolor_distance, Scolor_distance, 2, 3, 0, | |
4149 | doc: /* Return an integer distance between COLOR1 and COLOR2 on FRAME. | |
4150 | COLOR1 and COLOR2 may be either strings containing the color name, | |
4151 | or lists of the form (RED GREEN BLUE). | |
4152 | If FRAME is unspecified or nil, the current frame is used. */) | |
5842a27b | 4153 | (Lisp_Object color1, Lisp_Object color2, Lisp_Object frame) |
b35df831 | 4154 | { |
d9f07150 | 4155 | struct frame *f = decode_live_frame (frame); |
b35df831 MB |
4156 | XColor cdef1, cdef2; |
4157 | ||
6c8e1d62 | 4158 | if (!(CONSP (color1) && parse_rgb_list (color1, &cdef1)) |
42a5b22f | 4159 | && !(STRINGP (color1) && defined_color (f, SSDATA (color1), &cdef1, 0))) |
b35df831 | 4160 | signal_error ("Invalid color", color1); |
6c8e1d62 | 4161 | if (!(CONSP (color2) && parse_rgb_list (color2, &cdef2)) |
42a5b22f | 4162 | && !(STRINGP (color2) && defined_color (f, SSDATA (color2), &cdef2, 0))) |
b35df831 MB |
4163 | signal_error ("Invalid color", color2); |
4164 | ||
4165 | return make_number (color_distance (&cdef1, &cdef2)); | |
4166 | } | |
4167 | ||
4168 | \f | |
82641697 GM |
4169 | /*********************************************************************** |
4170 | Face Cache | |
4171 | ***********************************************************************/ | |
4172 | ||
4173 | /* Return a new face cache for frame F. */ | |
4174 | ||
4175 | static struct face_cache * | |
971de7fb | 4176 | make_face_cache (struct frame *f) |
82641697 GM |
4177 | { |
4178 | struct face_cache *c; | |
4179 | int size; | |
4180 | ||
23f86fce | 4181 | c = xzalloc (sizeof *c); |
82641697 | 4182 | size = FACE_CACHE_BUCKETS_SIZE * sizeof *c->buckets; |
23f86fce | 4183 | c->buckets = xzalloc (size); |
82641697 | 4184 | c->size = 50; |
23f86fce | 4185 | c->faces_by_id = xmalloc (c->size * sizeof *c->faces_by_id); |
82641697 | 4186 | c->f = f; |
ceeda019 | 4187 | c->menu_face_changed_p = menu_face_changed_default; |
82641697 GM |
4188 | return c; |
4189 | } | |
4190 | ||
4191 | ||
4192 | /* Clear out all graphics contexts for all realized faces, except for | |
4193 | the basic faces. This should be done from time to time just to avoid | |
4194 | keeping too many graphics contexts that are no longer needed. */ | |
4195 | ||
4196 | static void | |
971de7fb | 4197 | clear_face_gcs (struct face_cache *c) |
82641697 | 4198 | { |
c3cee013 | 4199 | if (c && FRAME_WINDOW_P (c->f)) |
82641697 | 4200 | { |
c3cee013 | 4201 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 GM |
4202 | int i; |
4203 | for (i = BASIC_FACE_ID_SENTINEL; i < c->used; ++i) | |
4204 | { | |
4205 | struct face *face = c->faces_by_id[i]; | |
4206 | if (face && face->gc) | |
4207 | { | |
4d7e6e51 | 4208 | block_input (); |
2dee4c0b | 4209 | if (face->font) |
426b2119 | 4210 | font_done_for_face (c->f, face); |
82641697 GM |
4211 | x_free_gc (c->f, face->gc); |
4212 | face->gc = 0; | |
4d7e6e51 | 4213 | unblock_input (); |
82641697 GM |
4214 | } |
4215 | } | |
c3cee013 | 4216 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
4217 | } |
4218 | } | |
4219 | ||
4220 | ||
7fc92635 JB |
4221 | /* Free all realized faces in face cache C, including basic faces. |
4222 | C may be null. If faces are freed, make sure the frame's current | |
82641697 GM |
4223 | matrix is marked invalid, so that a display caused by an expose |
4224 | event doesn't try to use faces we destroyed. */ | |
4225 | ||
4226 | static void | |
971de7fb | 4227 | free_realized_faces (struct face_cache *c) |
82641697 GM |
4228 | { |
4229 | if (c && c->used) | |
4230 | { | |
4231 | int i, size; | |
4232 | struct frame *f = c->f; | |
4233 | ||
84ec3b4b GM |
4234 | /* We must block input here because we can't process X events |
4235 | safely while only some faces are freed, or when the frame's | |
4236 | current matrix still references freed faces. */ | |
4d7e6e51 | 4237 | block_input (); |
84ec3b4b | 4238 | |
82641697 GM |
4239 | for (i = 0; i < c->used; ++i) |
4240 | { | |
4241 | free_realized_face (f, c->faces_by_id[i]); | |
4242 | c->faces_by_id[i] = NULL; | |
4243 | } | |
178c5d9c | 4244 | |
82641697 GM |
4245 | c->used = 0; |
4246 | size = FACE_CACHE_BUCKETS_SIZE * sizeof *c->buckets; | |
72af86bd | 4247 | memset (c->buckets, 0, size); |
82641697 GM |
4248 | |
4249 | /* Must do a thorough redisplay the next time. Mark current | |
4250 | matrices as invalid because they will reference faces freed | |
4251 | above. This function is also called when a frame is | |
4252 | destroyed. In this case, the root window of F is nil. */ | |
e69b0960 | 4253 | if (WINDOWP (f->root_window)) |
82641697 GM |
4254 | { |
4255 | clear_current_matrices (f); | |
4256 | ++windows_or_buffers_changed; | |
4257 | } | |
84ec3b4b | 4258 | |
4d7e6e51 | 4259 | unblock_input (); |
82641697 GM |
4260 | } |
4261 | } | |
4262 | ||
4263 | ||
4264 | /* Free all realized faces on FRAME or on all frames if FRAME is nil. | |
4265 | This is done after attributes of a named face have been changed, | |
4266 | because we can't tell which realized faces depend on that face. */ | |
4267 | ||
4268 | void | |
971de7fb | 4269 | free_all_realized_faces (Lisp_Object frame) |
82641697 GM |
4270 | { |
4271 | if (NILP (frame)) | |
4272 | { | |
4273 | Lisp_Object rest; | |
4274 | FOR_EACH_FRAME (rest, frame) | |
4275 | free_realized_faces (FRAME_FACE_CACHE (XFRAME (frame))); | |
4276 | } | |
4277 | else | |
4278 | free_realized_faces (FRAME_FACE_CACHE (XFRAME (frame))); | |
4279 | } | |
4280 | ||
4281 | ||
4282 | /* Free face cache C and faces in it, including their X resources. */ | |
4283 | ||
4284 | static void | |
971de7fb | 4285 | free_face_cache (struct face_cache *c) |
82641697 GM |
4286 | { |
4287 | if (c) | |
4288 | { | |
4289 | free_realized_faces (c); | |
4290 | xfree (c->buckets); | |
4291 | xfree (c->faces_by_id); | |
4292 | xfree (c); | |
4293 | } | |
4294 | } | |
4295 | ||
4296 | ||
4297 | /* Cache realized face FACE in face cache C. HASH is the hash value | |
af53b43c KH |
4298 | of FACE. If FACE is for ASCII characters (i.e. FACE->ascii_face == |
4299 | FACE), insert the new face to the beginning of the collision list | |
4300 | of the face hash table of C. Otherwise, add the new face to the | |
4301 | end of the collision list. This way, lookup_face can quickly find | |
4302 | that a requested face is not cached. */ | |
82641697 GM |
4303 | |
4304 | static void | |
971de7fb | 4305 | cache_face (struct face_cache *c, struct face *face, unsigned int hash) |
82641697 GM |
4306 | { |
4307 | int i = hash % FACE_CACHE_BUCKETS_SIZE; | |
4308 | ||
4309 | face->hash = hash; | |
4310 | ||
af53b43c | 4311 | if (face->ascii_face != face) |
82641697 GM |
4312 | { |
4313 | struct face *last = c->buckets[i]; | |
4314 | if (last) | |
4315 | { | |
4316 | while (last->next) | |
4317 | last = last->next; | |
4318 | last->next = face; | |
4319 | face->prev = last; | |
4320 | face->next = NULL; | |
4321 | } | |
4322 | else | |
4323 | { | |
4324 | c->buckets[i] = face; | |
4325 | face->prev = face->next = NULL; | |
4326 | } | |
4327 | } | |
4328 | else | |
4329 | { | |
4330 | face->prev = NULL; | |
4331 | face->next = c->buckets[i]; | |
4332 | if (face->next) | |
4333 | face->next->prev = face; | |
4334 | c->buckets[i] = face; | |
4335 | } | |
4336 | ||
4337 | /* Find a free slot in C->faces_by_id and use the index of the free | |
4338 | slot as FACE->id. */ | |
4339 | for (i = 0; i < c->used; ++i) | |
4340 | if (c->faces_by_id[i] == NULL) | |
4341 | break; | |
4342 | face->id = i; | |
178c5d9c | 4343 | |
e509cfa6 | 4344 | #ifdef GLYPH_DEBUG |
85fece3e PE |
4345 | /* Check that FACE got a unique id. */ |
4346 | { | |
4347 | int j, n; | |
4348 | struct face *face1; | |
4349 | ||
4350 | for (j = n = 0; j < FACE_CACHE_BUCKETS_SIZE; ++j) | |
4351 | for (face1 = c->buckets[j]; face1; face1 = face1->next) | |
4352 | if (face1->id == i) | |
4353 | ++n; | |
4354 | ||
a54e2c05 | 4355 | eassert (n == 1); |
85fece3e PE |
4356 | } |
4357 | #endif /* GLYPH_DEBUG */ | |
4358 | ||
82641697 | 4359 | /* Maybe enlarge C->faces_by_id. */ |
6b61353c | 4360 | if (i == c->used) |
82641697 | 4361 | { |
6b61353c | 4362 | if (c->used == c->size) |
0065d054 PE |
4363 | c->faces_by_id = xpalloc (c->faces_by_id, &c->size, 1, MAX_FACE_ID, |
4364 | sizeof *c->faces_by_id); | |
6b61353c | 4365 | c->used++; |
82641697 GM |
4366 | } |
4367 | ||
82641697 | 4368 | c->faces_by_id[i] = face; |
82641697 GM |
4369 | } |
4370 | ||
4371 | ||
4372 | /* Remove face FACE from cache C. */ | |
4373 | ||
4374 | static void | |
971de7fb | 4375 | uncache_face (struct face_cache *c, struct face *face) |
82641697 GM |
4376 | { |
4377 | int i = face->hash % FACE_CACHE_BUCKETS_SIZE; | |
178c5d9c | 4378 | |
82641697 GM |
4379 | if (face->prev) |
4380 | face->prev->next = face->next; | |
4381 | else | |
4382 | c->buckets[i] = face->next; | |
178c5d9c | 4383 | |
82641697 GM |
4384 | if (face->next) |
4385 | face->next->prev = face->prev; | |
178c5d9c | 4386 | |
82641697 GM |
4387 | c->faces_by_id[face->id] = NULL; |
4388 | if (face->id == c->used) | |
4389 | --c->used; | |
4390 | } | |
4391 | ||
4392 | ||
4393 | /* Look up a realized face with face attributes ATTR in the face cache | |
af53b43c KH |
4394 | of frame F. The face will be used to display ASCII characters. |
4395 | Value is the ID of the face found. If no suitable face is found, | |
4396 | realize a new one. */ | |
82641697 | 4397 | |
b0ab8123 | 4398 | static int |
971de7fb | 4399 | lookup_face (struct frame *f, Lisp_Object *attr) |
82641697 | 4400 | { |
39506348 | 4401 | struct face_cache *cache = FRAME_FACE_CACHE (f); |
82641697 GM |
4402 | unsigned hash; |
4403 | int i; | |
4404 | struct face *face; | |
4405 | ||
a54e2c05 | 4406 | eassert (cache != NULL); |
82641697 GM |
4407 | check_lface_attrs (attr); |
4408 | ||
4409 | /* Look up ATTR in the face cache. */ | |
4410 | hash = lface_hash (attr); | |
4411 | i = hash % FACE_CACHE_BUCKETS_SIZE; | |
178c5d9c | 4412 | |
39506348 | 4413 | for (face = cache->buckets[i]; face; face = face->next) |
af53b43c KH |
4414 | { |
4415 | if (face->ascii_face != face) | |
4416 | { | |
4417 | /* There's no more ASCII face. */ | |
4418 | face = NULL; | |
4419 | break; | |
4420 | } | |
4421 | if (face->hash == hash | |
4422 | && lface_equal_p (face->lface, attr)) | |
4423 | break; | |
4424 | } | |
82641697 GM |
4425 | |
4426 | /* If not found, realize a new face. */ | |
4427 | if (face == NULL) | |
af53b43c | 4428 | face = realize_face (cache, attr, -1); |
82641697 | 4429 | |
e509cfa6 | 4430 | #ifdef GLYPH_DEBUG |
a54e2c05 | 4431 | eassert (face == FACE_FROM_ID (f, face->id)); |
82641697 | 4432 | #endif /* GLYPH_DEBUG */ |
178c5d9c | 4433 | |
82641697 GM |
4434 | return face->id; |
4435 | } | |
4436 | ||
2dee4c0b KH |
4437 | #ifdef HAVE_WINDOW_SYSTEM |
4438 | /* Look up a realized face that has the same attributes as BASE_FACE | |
4439 | except for the font in the face cache of frame F. If FONT-OBJECT | |
4440 | is not nil, it is an already opened font. If FONT-OBJECT is nil, | |
4441 | the face has no font. Value is the ID of the face found. If no | |
4442 | suitable face is found, realize a new one. */ | |
426b2119 | 4443 | |
426b2119 | 4444 | int |
971de7fb | 4445 | face_for_font (struct frame *f, Lisp_Object font_object, struct face *base_face) |
426b2119 KH |
4446 | { |
4447 | struct face_cache *cache = FRAME_FACE_CACHE (f); | |
4448 | unsigned hash; | |
4449 | int i; | |
4450 | struct face *face; | |
4451 | ||
a54e2c05 | 4452 | eassert (cache != NULL); |
426b2119 KH |
4453 | base_face = base_face->ascii_face; |
4454 | hash = lface_hash (base_face->lface); | |
4455 | i = hash % FACE_CACHE_BUCKETS_SIZE; | |
4456 | ||
4457 | for (face = cache->buckets[i]; face; face = face->next) | |
4458 | { | |
4459 | if (face->ascii_face == face) | |
4460 | continue; | |
4461 | if (face->ascii_face == base_face | |
2dee4c0b KH |
4462 | && face->font == (NILP (font_object) ? NULL |
4463 | : XFONT_OBJECT (font_object)) | |
4464 | && lface_equal_p (face->lface, base_face->lface)) | |
426b2119 KH |
4465 | return face->id; |
4466 | } | |
4467 | ||
4468 | /* If not found, realize a new face. */ | |
2dee4c0b | 4469 | face = realize_non_ascii_face (f, font_object, base_face); |
426b2119 KH |
4470 | return face->id; |
4471 | } | |
8c6204de | 4472 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 | 4473 | |
82641697 | 4474 | /* Return the face id of the realized face for named face SYMBOL on |
af53b43c KH |
4475 | frame F suitable for displaying ASCII characters. Value is -1 if |
4476 | the face couldn't be determined, which might happen if the default | |
4477 | face isn't realized and cannot be realized. */ | |
82641697 GM |
4478 | |
4479 | int | |
971de7fb | 4480 | lookup_named_face (struct frame *f, Lisp_Object symbol, int signal_p) |
82641697 | 4481 | { |
e7d7fd8c MB |
4482 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
4483 | Lisp_Object symbol_attrs[LFACE_VECTOR_SIZE]; | |
82641697 GM |
4484 | struct face *default_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); |
4485 | ||
b5de343d GM |
4486 | if (default_face == NULL) |
4487 | { | |
4488 | if (!realize_basic_faces (f)) | |
4489 | return -1; | |
4490 | default_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
418ca4d2 | 4491 | if (default_face == NULL) |
1088b922 | 4492 | emacs_abort (); /* realize_basic_faces must have set it up */ |
b5de343d GM |
4493 | } |
4494 | ||
f2cec7a9 | 4495 | if (! get_lface_attributes (f, symbol, symbol_attrs, signal_p, 0)) |
2272e967 KS |
4496 | return -1; |
4497 | ||
72af86bd | 4498 | memcpy (attrs, default_face->lface, sizeof attrs); |
e7d7fd8c | 4499 | merge_face_vectors (f, symbol_attrs, attrs, 0); |
a0a23346 | 4500 | |
af53b43c | 4501 | return lookup_face (f, attrs); |
82641697 GM |
4502 | } |
4503 | ||
4504 | ||
1682701f | 4505 | /* Return the display face-id of the basic face whose canonical face-id |
f2cec7a9 MB |
4506 | is FACE_ID. The return value will usually simply be FACE_ID, unless that |
4507 | basic face has bee remapped via Vface_remapping_alist. This function is | |
4508 | conservative: if something goes wrong, it will simply return FACE_ID | |
4509 | rather than signal an error. */ | |
4510 | ||
4511 | int | |
971de7fb | 4512 | lookup_basic_face (struct frame *f, int face_id) |
f2cec7a9 MB |
4513 | { |
4514 | Lisp_Object name, mapping; | |
4515 | int remapped_face_id; | |
4516 | ||
4517 | if (NILP (Vface_remapping_alist)) | |
4518 | return face_id; /* Nothing to do. */ | |
4519 | ||
4520 | switch (face_id) | |
4521 | { | |
4522 | case DEFAULT_FACE_ID: name = Qdefault; break; | |
4523 | case MODE_LINE_FACE_ID: name = Qmode_line; break; | |
4524 | case MODE_LINE_INACTIVE_FACE_ID: name = Qmode_line_inactive; break; | |
4525 | case HEADER_LINE_FACE_ID: name = Qheader_line; break; | |
4526 | case TOOL_BAR_FACE_ID: name = Qtool_bar; break; | |
4527 | case FRINGE_FACE_ID: name = Qfringe; break; | |
4528 | case SCROLL_BAR_FACE_ID: name = Qscroll_bar; break; | |
4529 | case BORDER_FACE_ID: name = Qborder; break; | |
4530 | case CURSOR_FACE_ID: name = Qcursor; break; | |
4531 | case MOUSE_FACE_ID: name = Qmouse; break; | |
4532 | case MENU_FACE_ID: name = Qmenu; break; | |
4533 | ||
4534 | default: | |
1088b922 | 4535 | emacs_abort (); /* the caller is supposed to pass us a basic face id */ |
f2cec7a9 MB |
4536 | } |
4537 | ||
4538 | /* Do a quick scan through Vface_remapping_alist, and return immediately | |
4539 | if there is no remapping for face NAME. This is just an optimization | |
4540 | for the very common no-remapping case. */ | |
4541 | mapping = assq_no_quit (name, Vface_remapping_alist); | |
4542 | if (NILP (mapping)) | |
4543 | return face_id; /* Give up. */ | |
4544 | ||
4545 | /* If there is a remapping entry, lookup the face using NAME, which will | |
4546 | handle the remapping too. */ | |
4547 | remapped_face_id = lookup_named_face (f, name, 0); | |
4548 | if (remapped_face_id < 0) | |
4549 | return face_id; /* Give up. */ | |
4550 | ||
4551 | return remapped_face_id; | |
4552 | } | |
4553 | ||
4554 | ||
82641697 GM |
4555 | /* Return a face for charset ASCII that is like the face with id |
4556 | FACE_ID on frame F, but has a font that is STEPS steps smaller. | |
4557 | STEPS < 0 means larger. Value is the id of the face. */ | |
4558 | ||
4559 | int | |
971de7fb | 4560 | smaller_face (struct frame *f, int face_id, int steps) |
39506348 | 4561 | { |
c3cee013 | 4562 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 GM |
4563 | struct face *face; |
4564 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
4565 | int pt, last_pt, last_height; | |
4566 | int delta; | |
4567 | int new_face_id; | |
4568 | struct face *new_face; | |
4569 | ||
4570 | /* If not called for an X frame, just return the original face. */ | |
4571 | if (FRAME_TERMCAP_P (f)) | |
4572 | return face_id; | |
4573 | ||
4574 | /* Try in increments of 1/2 pt. */ | |
4575 | delta = steps < 0 ? 5 : -5; | |
1ea40aa2 | 4576 | steps = eabs (steps); |
178c5d9c | 4577 | |
82641697 | 4578 | face = FACE_FROM_ID (f, face_id); |
72af86bd | 4579 | memcpy (attrs, face->lface, sizeof attrs); |
82641697 GM |
4580 | pt = last_pt = XFASTINT (attrs[LFACE_HEIGHT_INDEX]); |
4581 | new_face_id = face_id; | |
4582 | last_height = FONT_HEIGHT (face->font); | |
4583 | ||
4584 | while (steps | |
4585 | && pt + delta > 0 | |
4586 | /* Give up if we cannot find a font within 10pt. */ | |
1ea40aa2 | 4587 | && eabs (last_pt - pt) < 100) |
82641697 GM |
4588 | { |
4589 | /* Look up a face for a slightly smaller/larger font. */ | |
4590 | pt += delta; | |
4591 | attrs[LFACE_HEIGHT_INDEX] = make_number (pt); | |
af53b43c | 4592 | new_face_id = lookup_face (f, attrs); |
82641697 GM |
4593 | new_face = FACE_FROM_ID (f, new_face_id); |
4594 | ||
4595 | /* If height changes, count that as one step. */ | |
b4c3ca09 GM |
4596 | if ((delta < 0 && FONT_HEIGHT (new_face->font) < last_height) |
4597 | || (delta > 0 && FONT_HEIGHT (new_face->font) > last_height)) | |
82641697 GM |
4598 | { |
4599 | --steps; | |
4600 | last_height = FONT_HEIGHT (new_face->font); | |
4601 | last_pt = pt; | |
4602 | } | |
4603 | } | |
4604 | ||
4605 | return new_face_id; | |
4606 | ||
c3cee013 | 4607 | #else /* not HAVE_WINDOW_SYSTEM */ |
82641697 GM |
4608 | |
4609 | return face_id; | |
178c5d9c | 4610 | |
c3cee013 | 4611 | #endif /* not HAVE_WINDOW_SYSTEM */ |
82641697 GM |
4612 | } |
4613 | ||
4614 | ||
4615 | /* Return a face for charset ASCII that is like the face with id | |
4616 | FACE_ID on frame F, but has height HEIGHT. */ | |
4617 | ||
4618 | int | |
971de7fb | 4619 | face_with_height (struct frame *f, int face_id, int height) |
82641697 | 4620 | { |
c3cee013 | 4621 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 GM |
4622 | struct face *face; |
4623 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
4624 | ||
4625 | if (FRAME_TERMCAP_P (f) | |
4626 | || height <= 0) | |
4627 | return face_id; | |
4628 | ||
4629 | face = FACE_FROM_ID (f, face_id); | |
72af86bd | 4630 | memcpy (attrs, face->lface, sizeof attrs); |
82641697 | 4631 | attrs[LFACE_HEIGHT_INDEX] = make_number (height); |
a8c0cc18 | 4632 | font_clear_prop (attrs, FONT_SIZE_INDEX); |
af53b43c | 4633 | face_id = lookup_face (f, attrs); |
c3cee013 | 4634 | #endif /* HAVE_WINDOW_SYSTEM */ |
178c5d9c | 4635 | |
82641697 GM |
4636 | return face_id; |
4637 | } | |
4638 | ||
b5de343d | 4639 | |
44747bd0 | 4640 | /* Return the face id of the realized face for named face SYMBOL on |
af53b43c KH |
4641 | frame F suitable for displaying ASCII characters, and use |
4642 | attributes of the face FACE_ID for attributes that aren't | |
4643 | completely specified by SYMBOL. This is like lookup_named_face, | |
4644 | except that the default attributes come from FACE_ID, not from the | |
4645 | default face. FACE_ID is assumed to be already realized. */ | |
44747bd0 EZ |
4646 | |
4647 | int | |
b5f03016 AS |
4648 | lookup_derived_face (struct frame *f, Lisp_Object symbol, int face_id, |
4649 | int signal_p) | |
44747bd0 | 4650 | { |
e7d7fd8c | 4651 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
44747bd0 EZ |
4652 | Lisp_Object symbol_attrs[LFACE_VECTOR_SIZE]; |
4653 | struct face *default_face = FACE_FROM_ID (f, face_id); | |
4654 | ||
4655 | if (!default_face) | |
1088b922 | 4656 | emacs_abort (); |
44747bd0 | 4657 | |
d8453278 CY |
4658 | if (!get_lface_attributes (f, symbol, symbol_attrs, signal_p, 0)) |
4659 | return -1; | |
4660 | ||
72af86bd | 4661 | memcpy (attrs, default_face->lface, sizeof attrs); |
e7d7fd8c | 4662 | merge_face_vectors (f, symbol_attrs, attrs, 0); |
af53b43c | 4663 | return lookup_face (f, attrs); |
44747bd0 EZ |
4664 | } |
4665 | ||
f6608d5c RS |
4666 | DEFUN ("face-attributes-as-vector", Fface_attributes_as_vector, |
4667 | Sface_attributes_as_vector, 1, 1, 0, | |
4bb962be | 4668 | doc: /* Return a vector of face attributes corresponding to PLIST. */) |
5842a27b | 4669 | (Lisp_Object plist) |
f6608d5c RS |
4670 | { |
4671 | Lisp_Object lface; | |
4672 | lface = Fmake_vector (make_number (LFACE_VECTOR_SIZE), | |
4673 | Qunspecified); | |
a0a23346 MB |
4674 | merge_face_ref (XFRAME (selected_frame), plist, XVECTOR (lface)->contents, |
4675 | 1, 0); | |
f6608d5c RS |
4676 | return lface; |
4677 | } | |
4678 | ||
82641697 GM |
4679 | |
4680 | \f | |
9717e36c MB |
4681 | /*********************************************************************** |
4682 | Face capability testing | |
4683 | ***********************************************************************/ | |
4684 | ||
4685 | ||
4686 | /* If the distance (as returned by color_distance) between two colors is | |
4687 | less than this, then they are considered the same, for determining | |
4688 | whether a color is supported or not. The range of values is 0-65535. */ | |
4689 | ||
4690 | #define TTY_SAME_COLOR_THRESHOLD 10000 | |
4691 | ||
ccda4e3c | 4692 | #ifdef HAVE_WINDOW_SYSTEM |
9717e36c MB |
4693 | |
4694 | /* Return non-zero if all the face attributes in ATTRS are supported | |
4695 | on the window-system frame F. | |
4696 | ||
4697 | The definition of `supported' is somewhat heuristic, but basically means | |
4698 | that a face containing all the attributes in ATTRS, when merged with the | |
4699 | default face for display, can be represented in a way that's | |
4700 | ||
4701 | \(1) different in appearance than the default face, and | |
8e330b22 | 4702 | \(2) `close in spirit' to what the attributes specify, if not exact. */ |
9717e36c MB |
4703 | |
4704 | static int | |
4973679b PE |
4705 | x_supports_face_attributes_p (struct frame *f, |
4706 | Lisp_Object attrs[LFACE_VECTOR_SIZE], | |
b5f03016 | 4707 | struct face *def_face) |
9717e36c | 4708 | { |
8e330b22 | 4709 | Lisp_Object *def_attrs = def_face->lface; |
9717e36c MB |
4710 | |
4711 | /* Check that other specified attributes are different that the default | |
4712 | face. */ | |
4713 | if ((!UNSPECIFIEDP (attrs[LFACE_UNDERLINE_INDEX]) | |
4714 | && face_attr_equal_p (attrs[LFACE_UNDERLINE_INDEX], | |
4715 | def_attrs[LFACE_UNDERLINE_INDEX])) | |
4716 | || (!UNSPECIFIEDP (attrs[LFACE_INVERSE_INDEX]) | |
4717 | && face_attr_equal_p (attrs[LFACE_INVERSE_INDEX], | |
4718 | def_attrs[LFACE_INVERSE_INDEX])) | |
4719 | || (!UNSPECIFIEDP (attrs[LFACE_FOREGROUND_INDEX]) | |
4720 | && face_attr_equal_p (attrs[LFACE_FOREGROUND_INDEX], | |
4721 | def_attrs[LFACE_FOREGROUND_INDEX])) | |
4722 | || (!UNSPECIFIEDP (attrs[LFACE_BACKGROUND_INDEX]) | |
4723 | && face_attr_equal_p (attrs[LFACE_BACKGROUND_INDEX], | |
4724 | def_attrs[LFACE_BACKGROUND_INDEX])) | |
4725 | || (!UNSPECIFIEDP (attrs[LFACE_STIPPLE_INDEX]) | |
4726 | && face_attr_equal_p (attrs[LFACE_STIPPLE_INDEX], | |
4727 | def_attrs[LFACE_STIPPLE_INDEX])) | |
4728 | || (!UNSPECIFIEDP (attrs[LFACE_OVERLINE_INDEX]) | |
4729 | && face_attr_equal_p (attrs[LFACE_OVERLINE_INDEX], | |
4730 | def_attrs[LFACE_OVERLINE_INDEX])) | |
4731 | || (!UNSPECIFIEDP (attrs[LFACE_STRIKE_THROUGH_INDEX]) | |
4732 | && face_attr_equal_p (attrs[LFACE_STRIKE_THROUGH_INDEX], | |
4733 | def_attrs[LFACE_STRIKE_THROUGH_INDEX])) | |
4734 | || (!UNSPECIFIEDP (attrs[LFACE_BOX_INDEX]) | |
4735 | && face_attr_equal_p (attrs[LFACE_BOX_INDEX], | |
4736 | def_attrs[LFACE_BOX_INDEX]))) | |
4737 | return 0; | |
4738 | ||
4739 | /* Check font-related attributes, as those are the most commonly | |
4740 | "unsupported" on a window-system (because of missing fonts). */ | |
4741 | if (!UNSPECIFIEDP (attrs[LFACE_FAMILY_INDEX]) | |
53aaf1e2 | 4742 | || !UNSPECIFIEDP (attrs[LFACE_FOUNDRY_INDEX]) |
9717e36c MB |
4743 | || !UNSPECIFIEDP (attrs[LFACE_HEIGHT_INDEX]) |
4744 | || !UNSPECIFIEDP (attrs[LFACE_WEIGHT_INDEX]) | |
4745 | || !UNSPECIFIEDP (attrs[LFACE_SLANT_INDEX]) | |
2dee4c0b | 4746 | || !UNSPECIFIEDP (attrs[LFACE_SWIDTH_INDEX])) |
9717e36c | 4747 | { |
327719ee | 4748 | int face_id; |
9717e36c MB |
4749 | struct face *face; |
4750 | Lisp_Object merged_attrs[LFACE_VECTOR_SIZE]; | |
2dee4c0b | 4751 | int i; |
9717e36c | 4752 | |
72af86bd | 4753 | memcpy (merged_attrs, def_attrs, sizeof merged_attrs); |
9717e36c | 4754 | |
a0a23346 | 4755 | merge_face_vectors (f, attrs, merged_attrs, 0); |
9717e36c | 4756 | |
327719ee MB |
4757 | face_id = lookup_face (f, merged_attrs); |
4758 | face = FACE_FROM_ID (f, face_id); | |
9717e36c MB |
4759 | |
4760 | if (! face) | |
2010ba8c | 4761 | error ("Cannot make face"); |
9717e36c | 4762 | |
4fc1984a KH |
4763 | /* If the font is the same, or no font is found, then not |
4764 | supported. */ | |
4765 | if (face->font == def_face->font | |
4766 | || ! face->font) | |
9717e36c | 4767 | return 0; |
2dee4c0b KH |
4768 | for (i = FONT_TYPE_INDEX; i <= FONT_SIZE_INDEX; i++) |
4769 | if (! EQ (face->font->props[i], def_face->font->props[i])) | |
4770 | { | |
4771 | Lisp_Object s1, s2; | |
4772 | ||
4773 | if (i < FONT_FOUNDRY_INDEX || i > FONT_REGISTRY_INDEX | |
4774 | || face->font->driver->case_sensitive) | |
4775 | return 1; | |
4776 | s1 = SYMBOL_NAME (face->font->props[i]); | |
4777 | s2 = SYMBOL_NAME (def_face->font->props[i]); | |
4778 | if (! EQ (Fcompare_strings (s1, make_number (0), Qnil, | |
4779 | s2, make_number (0), Qnil, Qt), Qt)) | |
4780 | return 1; | |
4781 | } | |
4782 | return 0; | |
9717e36c MB |
4783 | } |
4784 | ||
4785 | /* Everything checks out, this face is supported. */ | |
4786 | return 1; | |
4787 | } | |
4788 | ||
ccda4e3c | 4789 | #endif /* HAVE_WINDOW_SYSTEM */ |
9717e36c MB |
4790 | |
4791 | /* Return non-zero if all the face attributes in ATTRS are supported | |
4792 | on the tty frame F. | |
4793 | ||
4794 | The definition of `supported' is somewhat heuristic, but basically means | |
4795 | that a face containing all the attributes in ATTRS, when merged | |
4796 | with the default face for display, can be represented in a way that's | |
4797 | ||
4798 | \(1) different in appearance than the default face, and | |
4799 | \(2) `close in spirit' to what the attributes specify, if not exact. | |
4800 | ||
4801 | Point (2) implies that a `:weight black' attribute will be satisfied | |
4802 | by any terminal that can display bold, and a `:foreground "yellow"' as | |
4803 | long as the terminal can display a yellowish color, but `:slant italic' | |
4804 | will _not_ be satisfied by the tty display code's automatic | |
4805 | substitution of a `dim' face for italic. */ | |
4806 | ||
4807 | static int | |
4973679b PE |
4808 | tty_supports_face_attributes_p (struct frame *f, |
4809 | Lisp_Object attrs[LFACE_VECTOR_SIZE], | |
b5f03016 | 4810 | struct face *def_face) |
9717e36c | 4811 | { |
cd4eb164 | 4812 | int weight, slant; |
9717e36c MB |
4813 | Lisp_Object val, fg, bg; |
4814 | XColor fg_tty_color, fg_std_color; | |
4815 | XColor bg_tty_color, bg_std_color; | |
4816 | unsigned test_caps = 0; | |
8e330b22 | 4817 | Lisp_Object *def_attrs = def_face->lface; |
9717e36c | 4818 | |
8e330b22 MB |
4819 | /* First check some easy-to-check stuff; ttys support none of the |
4820 | following attributes, so we can just return false if any are requested | |
4821 | (even if `nominal' values are specified, we should still return false, | |
4822 | as that will be the same value that the default face uses). We | |
4823 | consider :slant unsupportable on ttys, even though the face code | |
4824 | actually `fakes' them using a dim attribute if possible. This is | |
4825 | because the faked result is too different from what the face | |
4826 | specifies. */ | |
4827 | if (!UNSPECIFIEDP (attrs[LFACE_FAMILY_INDEX]) | |
53aaf1e2 | 4828 | || !UNSPECIFIEDP (attrs[LFACE_FOUNDRY_INDEX]) |
8e330b22 MB |
4829 | || !UNSPECIFIEDP (attrs[LFACE_STIPPLE_INDEX]) |
4830 | || !UNSPECIFIEDP (attrs[LFACE_HEIGHT_INDEX]) | |
4831 | || !UNSPECIFIEDP (attrs[LFACE_SWIDTH_INDEX]) | |
4832 | || !UNSPECIFIEDP (attrs[LFACE_OVERLINE_INDEX]) | |
4833 | || !UNSPECIFIEDP (attrs[LFACE_STRIKE_THROUGH_INDEX]) | |
cd4eb164 | 4834 | || !UNSPECIFIEDP (attrs[LFACE_BOX_INDEX])) |
9717e36c MB |
4835 | return 0; |
4836 | ||
9717e36c MB |
4837 | /* Test for terminal `capabilities' (non-color character attributes). */ |
4838 | ||
4839 | /* font weight (bold/dim) */ | |
337fbd17 CY |
4840 | val = attrs[LFACE_WEIGHT_INDEX]; |
4841 | if (!UNSPECIFIEDP (val) | |
4842 | && (weight = FONT_WEIGHT_NAME_NUMERIC (val), weight >= 0)) | |
9717e36c | 4843 | { |
2dee4c0b | 4844 | int def_weight = FONT_WEIGHT_NAME_NUMERIC (def_attrs[LFACE_WEIGHT_INDEX]); |
8e330b22 | 4845 | |
2dee4c0b | 4846 | if (weight > 100) |
8e330b22 | 4847 | { |
2dee4c0b | 4848 | if (def_weight > 100) |
8e330b22 MB |
4849 | return 0; /* same as default */ |
4850 | test_caps = TTY_CAP_BOLD; | |
4851 | } | |
2dee4c0b | 4852 | else if (weight < 100) |
8e330b22 | 4853 | { |
2dee4c0b | 4854 | if (def_weight < 100) |
8e330b22 MB |
4855 | return 0; /* same as default */ |
4856 | test_caps = TTY_CAP_DIM; | |
4857 | } | |
2dee4c0b | 4858 | else if (def_weight == 100) |
8e330b22 | 4859 | return 0; /* same as default */ |
9717e36c MB |
4860 | } |
4861 | ||
cd4eb164 CY |
4862 | /* font slant */ |
4863 | val = attrs[LFACE_SLANT_INDEX]; | |
4864 | if (!UNSPECIFIEDP (val) | |
4865 | && (slant = FONT_SLANT_NAME_NUMERIC (val), slant >= 0)) | |
4866 | { | |
4867 | int def_slant = FONT_SLANT_NAME_NUMERIC (def_attrs[LFACE_SLANT_INDEX]); | |
4868 | if (slant == 100 || slant == def_slant) | |
4869 | return 0; /* same as default */ | |
4870 | else | |
4871 | test_caps |= TTY_CAP_ITALIC; | |
4872 | } | |
4873 | ||
9717e36c MB |
4874 | /* underlining */ |
4875 | val = attrs[LFACE_UNDERLINE_INDEX]; | |
8e330b22 | 4876 | if (!UNSPECIFIEDP (val)) |
9717e36c MB |
4877 | { |
4878 | if (STRINGP (val)) | |
8e330b22 | 4879 | return 0; /* ttys can't use colored underlines */ |
073ca75b JL |
4880 | else if (EQ (CAR_SAFE (val), QCstyle) && EQ (CAR_SAFE (CDR_SAFE (val)), Qwave)) |
4881 | return 0; /* ttys can't use wave underlines */ | |
8e330b22 MB |
4882 | else if (face_attr_equal_p (val, def_attrs[LFACE_UNDERLINE_INDEX])) |
4883 | return 0; /* same as default */ | |
9717e36c MB |
4884 | else |
4885 | test_caps |= TTY_CAP_UNDERLINE; | |
4886 | } | |
4887 | ||
4888 | /* inverse video */ | |
4889 | val = attrs[LFACE_INVERSE_INDEX]; | |
8e330b22 MB |
4890 | if (!UNSPECIFIEDP (val)) |
4891 | { | |
a13ab63f | 4892 | if (face_attr_equal_p (val, def_attrs[LFACE_INVERSE_INDEX])) |
8e330b22 MB |
4893 | return 0; /* same as default */ |
4894 | else | |
4895 | test_caps |= TTY_CAP_INVERSE; | |
4896 | } | |
9717e36c MB |
4897 | |
4898 | ||
4899 | /* Color testing. */ | |
4900 | ||
4901 | /* Default the color indices in FG_TTY_COLOR and BG_TTY_COLOR, since | |
4902 | we use them when calling `tty_capable_p' below, even if the face | |
4903 | specifies no colors. */ | |
4904 | fg_tty_color.pixel = FACE_TTY_DEFAULT_FG_COLOR; | |
4905 | bg_tty_color.pixel = FACE_TTY_DEFAULT_BG_COLOR; | |
4906 | ||
4907 | /* Check if foreground color is close enough. */ | |
4908 | fg = attrs[LFACE_FOREGROUND_INDEX]; | |
4909 | if (STRINGP (fg)) | |
4910 | { | |
8e330b22 MB |
4911 | Lisp_Object def_fg = def_attrs[LFACE_FOREGROUND_INDEX]; |
4912 | ||
4913 | if (face_attr_equal_p (fg, def_fg)) | |
4914 | return 0; /* same as default */ | |
4915 | else if (! tty_lookup_color (f, fg, &fg_tty_color, &fg_std_color)) | |
4916 | return 0; /* not a valid color */ | |
9717e36c MB |
4917 | else if (color_distance (&fg_tty_color, &fg_std_color) |
4918 | > TTY_SAME_COLOR_THRESHOLD) | |
8e330b22 MB |
4919 | return 0; /* displayed color is too different */ |
4920 | else | |
4921 | /* Make sure the color is really different than the default. */ | |
4922 | { | |
4923 | XColor def_fg_color; | |
4924 | if (tty_lookup_color (f, def_fg, &def_fg_color, 0) | |
4925 | && (color_distance (&fg_tty_color, &def_fg_color) | |
4926 | <= TTY_SAME_COLOR_THRESHOLD)) | |
4927 | return 0; | |
4928 | } | |
9717e36c MB |
4929 | } |
4930 | ||
4931 | /* Check if background color is close enough. */ | |
4932 | bg = attrs[LFACE_BACKGROUND_INDEX]; | |
4933 | if (STRINGP (bg)) | |
4934 | { | |
a13ab63f | 4935 | Lisp_Object def_bg = def_attrs[LFACE_BACKGROUND_INDEX]; |
8e330b22 MB |
4936 | |
4937 | if (face_attr_equal_p (bg, def_bg)) | |
4938 | return 0; /* same as default */ | |
4939 | else if (! tty_lookup_color (f, bg, &bg_tty_color, &bg_std_color)) | |
4940 | return 0; /* not a valid color */ | |
9717e36c MB |
4941 | else if (color_distance (&bg_tty_color, &bg_std_color) |
4942 | > TTY_SAME_COLOR_THRESHOLD) | |
8e330b22 MB |
4943 | return 0; /* displayed color is too different */ |
4944 | else | |
4945 | /* Make sure the color is really different than the default. */ | |
4946 | { | |
4947 | XColor def_bg_color; | |
4948 | if (tty_lookup_color (f, def_bg, &def_bg_color, 0) | |
4949 | && (color_distance (&bg_tty_color, &def_bg_color) | |
4950 | <= TTY_SAME_COLOR_THRESHOLD)) | |
4951 | return 0; | |
4952 | } | |
9717e36c MB |
4953 | } |
4954 | ||
4955 | /* If both foreground and background are requested, see if the | |
4956 | distance between them is OK. We just check to see if the distance | |
4957 | between the tty's foreground and background is close enough to the | |
4958 | distance between the standard foreground and background. */ | |
4959 | if (STRINGP (fg) && STRINGP (bg)) | |
4960 | { | |
4961 | int delta_delta | |
4962 | = (color_distance (&fg_std_color, &bg_std_color) | |
4963 | - color_distance (&fg_tty_color, &bg_tty_color)); | |
4964 | if (delta_delta > TTY_SAME_COLOR_THRESHOLD | |
4965 | || delta_delta < -TTY_SAME_COLOR_THRESHOLD) | |
4966 | return 0; | |
4967 | } | |
4968 | ||
4969 | ||
4970 | /* See if the capabilities we selected above are supported, with the | |
4971 | given colors. */ | |
4972 | if (test_caps != 0 && | |
b5f03016 AS |
4973 | ! tty_capable_p (FRAME_TTY (f), test_caps, fg_tty_color.pixel, |
4974 | bg_tty_color.pixel)) | |
9717e36c MB |
4975 | return 0; |
4976 | ||
4977 | ||
4978 | /* Hmmm, everything checks out, this terminal must support this face. */ | |
4979 | return 1; | |
4980 | } | |
4981 | ||
4982 | ||
4983 | DEFUN ("display-supports-face-attributes-p", | |
4984 | Fdisplay_supports_face_attributes_p, Sdisplay_supports_face_attributes_p, | |
4985 | 1, 2, 0, | |
4986 | doc: /* Return non-nil if all the face attributes in ATTRIBUTES are supported. | |
4987 | The optional argument DISPLAY can be a display name, a frame, or | |
9fed2905 | 4988 | nil (meaning the selected frame's display). |
9717e36c MB |
4989 | |
4990 | The definition of `supported' is somewhat heuristic, but basically means | |
4991 | that a face containing all the attributes in ATTRIBUTES, when merged | |
4992 | with the default face for display, can be represented in a way that's | |
4993 | ||
4994 | \(1) different in appearance than the default face, and | |
4995 | \(2) `close in spirit' to what the attributes specify, if not exact. | |
4996 | ||
4997 | Point (2) implies that a `:weight black' attribute will be satisfied by | |
4998 | any display that can display bold, and a `:foreground \"yellow\"' as long | |
4999 | as it can display a yellowish color, but `:slant italic' will _not_ be | |
5000 | satisfied by the tty display code's automatic substitution of a `dim' | |
9fed2905 | 5001 | face for italic. */) |
5842a27b | 5002 | (Lisp_Object attributes, Lisp_Object display) |
9717e36c | 5003 | { |
221439a0 | 5004 | int supports = 0, i; |
9717e36c MB |
5005 | Lisp_Object frame; |
5006 | struct frame *f; | |
8e330b22 | 5007 | struct face *def_face; |
9717e36c MB |
5008 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
5009 | ||
0722292b MB |
5010 | if (noninteractive || !initialized) |
5011 | /* We may not be able to access low-level face information in batch | |
5012 | mode, or before being dumped, and this function is not going to | |
5013 | be very useful in those cases anyway, so just give up. */ | |
5014 | return Qnil; | |
5015 | ||
9717e36c MB |
5016 | if (NILP (display)) |
5017 | frame = selected_frame; | |
5018 | else if (FRAMEP (display)) | |
5019 | frame = display; | |
5020 | else | |
5021 | { | |
5022 | /* Find any frame on DISPLAY. */ | |
5b04e9f9 | 5023 | Lisp_Object tail; |
9717e36c MB |
5024 | |
5025 | frame = Qnil; | |
5b04e9f9 DA |
5026 | FOR_EACH_FRAME (tail, frame) |
5027 | if (!NILP (Fequal (Fcdr (Fassq (Qdisplay, | |
5028 | XFRAME (frame)->param_alist)), | |
5029 | display))) | |
5030 | break; | |
9717e36c MB |
5031 | } |
5032 | ||
5033 | CHECK_LIVE_FRAME (frame); | |
5034 | f = XFRAME (frame); | |
5035 | ||
5036 | for (i = 0; i < LFACE_VECTOR_SIZE; i++) | |
5037 | attrs[i] = Qunspecified; | |
a0a23346 | 5038 | merge_face_ref (f, attributes, attrs, 1, 0); |
9717e36c | 5039 | |
8e330b22 MB |
5040 | def_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); |
5041 | if (def_face == NULL) | |
5042 | { | |
5043 | if (! realize_basic_faces (f)) | |
734e9514 | 5044 | error ("Cannot realize default face"); |
8e330b22 | 5045 | def_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); |
418ca4d2 | 5046 | if (def_face == NULL) |
1088b922 | 5047 | emacs_abort (); /* realize_basic_faces must have set it up */ |
8e330b22 MB |
5048 | } |
5049 | ||
9717e36c MB |
5050 | /* Dispatch to the appropriate handler. */ |
5051 | if (FRAME_TERMCAP_P (f) || FRAME_MSDOS_P (f)) | |
8e330b22 | 5052 | supports = tty_supports_face_attributes_p (f, attrs, def_face); |
ccda4e3c | 5053 | #ifdef HAVE_WINDOW_SYSTEM |
9717e36c | 5054 | else |
8e330b22 MB |
5055 | supports = x_supports_face_attributes_p (f, attrs, def_face); |
5056 | #endif | |
9717e36c MB |
5057 | |
5058 | return supports ? Qt : Qnil; | |
5059 | } | |
5060 | ||
5061 | \f | |
82641697 GM |
5062 | /*********************************************************************** |
5063 | Font selection | |
5064 | ***********************************************************************/ | |
5065 | ||
2c7d1565 | 5066 | DEFUN ("internal-set-font-selection-order", |
82641697 GM |
5067 | Finternal_set_font_selection_order, |
5068 | Sinternal_set_font_selection_order, 1, 1, 0, | |
7ee72033 | 5069 | doc: /* Set font selection order for face font selection to ORDER. |
228299fa GM |
5070 | ORDER must be a list of length 4 containing the symbols `:width', |
5071 | `:height', `:weight', and `:slant'. Face attributes appearing | |
5072 | first in ORDER are matched first, e.g. if `:height' appears before | |
5073 | `:weight' in ORDER, font selection first tries to find a font with | |
5074 | a suitable height, and then tries to match the font weight. | |
7ee72033 | 5075 | Value is ORDER. */) |
5842a27b | 5076 | (Lisp_Object order) |
82641697 GM |
5077 | { |
5078 | Lisp_Object list; | |
5079 | int i; | |
a08332c0 | 5080 | int indices[DIM (font_sort_order)]; |
178c5d9c | 5081 | |
b7826503 | 5082 | CHECK_LIST (order); |
72af86bd | 5083 | memset (indices, 0, sizeof indices); |
82641697 GM |
5084 | i = 0; |
5085 | ||
5086 | for (list = order; | |
5087 | CONSP (list) && i < DIM (indices); | |
5088 | list = XCDR (list), ++i) | |
5089 | { | |
5090 | Lisp_Object attr = XCAR (list); | |
5091 | int xlfd; | |
5092 | ||
5093 | if (EQ (attr, QCwidth)) | |
5094 | xlfd = XLFD_SWIDTH; | |
5095 | else if (EQ (attr, QCheight)) | |
5096 | xlfd = XLFD_POINT_SIZE; | |
5097 | else if (EQ (attr, QCweight)) | |
5098 | xlfd = XLFD_WEIGHT; | |
5099 | else if (EQ (attr, QCslant)) | |
5100 | xlfd = XLFD_SLANT; | |
5101 | else | |
5102 | break; | |
5103 | ||
5104 | if (indices[i] != 0) | |
5105 | break; | |
5106 | indices[i] = xlfd; | |
5107 | } | |
5108 | ||
a08332c0 | 5109 | if (!NILP (list) || i != DIM (indices)) |
82641697 | 5110 | signal_error ("Invalid font sort order", order); |
a08332c0 GM |
5111 | for (i = 0; i < DIM (font_sort_order); ++i) |
5112 | if (indices[i] == 0) | |
5113 | signal_error ("Invalid font sort order", order); | |
82641697 | 5114 | |
72af86bd | 5115 | if (memcmp (indices, font_sort_order, sizeof indices) != 0) |
82641697 | 5116 | { |
72af86bd | 5117 | memcpy (font_sort_order, indices, sizeof font_sort_order); |
82641697 GM |
5118 | free_all_realized_faces (Qnil); |
5119 | } | |
178c5d9c | 5120 | |
2dee4c0b | 5121 | font_update_sort_order (font_sort_order); |
426b2119 | 5122 | |
82641697 GM |
5123 | return Qnil; |
5124 | } | |
5125 | ||
5126 | ||
5127 | DEFUN ("internal-set-alternative-font-family-alist", | |
5128 | Finternal_set_alternative_font_family_alist, | |
5129 | Sinternal_set_alternative_font_family_alist, 1, 1, 0, | |
c71f3632 | 5130 | doc: /* Define alternative font families to try in face font selection. |
228299fa GM |
5131 | ALIST is an alist of (FAMILY ALTERNATIVE1 ALTERNATIVE2 ...) entries. |
5132 | Each ALTERNATIVE is tried in order if no fonts of font family FAMILY can | |
7ee72033 | 5133 | be found. Value is ALIST. */) |
5842a27b | 5134 | (Lisp_Object alist) |
82641697 | 5135 | { |
a77d5bb2 | 5136 | Lisp_Object entry, tail, tail2; |
53aaf1e2 | 5137 | |
b7826503 | 5138 | CHECK_LIST (alist); |
53aaf1e2 KH |
5139 | alist = Fcopy_sequence (alist); |
5140 | for (tail = alist; CONSP (tail); tail = XCDR (tail)) | |
a77d5bb2 CY |
5141 | { |
5142 | entry = XCAR (tail); | |
5143 | CHECK_LIST (entry); | |
5144 | entry = Fcopy_sequence (entry); | |
5145 | XSETCAR (tail, entry); | |
5146 | for (tail2 = entry; CONSP (tail2); tail2 = XCDR (tail2)) | |
5147 | XSETCAR (tail2, Fintern (XCAR (tail2), Qnil)); | |
5148 | } | |
5149 | ||
82641697 GM |
5150 | Vface_alternative_font_family_alist = alist; |
5151 | free_all_realized_faces (Qnil); | |
5152 | return alist; | |
5153 | } | |
5154 | ||
5155 | ||
32fcc231 GM |
5156 | DEFUN ("internal-set-alternative-font-registry-alist", |
5157 | Finternal_set_alternative_font_registry_alist, | |
5158 | Sinternal_set_alternative_font_registry_alist, 1, 1, 0, | |
e3cd9e7f | 5159 | doc: /* Define alternative font registries to try in face font selection. |
228299fa GM |
5160 | ALIST is an alist of (REGISTRY ALTERNATIVE1 ALTERNATIVE2 ...) entries. |
5161 | Each ALTERNATIVE is tried in order if no fonts of font registry REGISTRY can | |
7ee72033 | 5162 | be found. Value is ALIST. */) |
5842a27b | 5163 | (Lisp_Object alist) |
32fcc231 | 5164 | { |
a77d5bb2 | 5165 | Lisp_Object entry, tail, tail2; |
53aaf1e2 | 5166 | |
b7826503 | 5167 | CHECK_LIST (alist); |
53aaf1e2 KH |
5168 | alist = Fcopy_sequence (alist); |
5169 | for (tail = alist; CONSP (tail); tail = XCDR (tail)) | |
a77d5bb2 CY |
5170 | { |
5171 | entry = XCAR (tail); | |
5172 | CHECK_LIST (entry); | |
5173 | entry = Fcopy_sequence (entry); | |
5174 | XSETCAR (tail, entry); | |
5175 | for (tail2 = entry; CONSP (tail2); tail2 = XCDR (tail2)) | |
5176 | XSETCAR (tail2, Fdowncase (XCAR (tail2))); | |
5177 | } | |
32fcc231 GM |
5178 | Vface_alternative_font_registry_alist = alist; |
5179 | free_all_realized_faces (Qnil); | |
5180 | return alist; | |
5181 | } | |
5182 | ||
5183 | ||
c3cee013 | 5184 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 5185 | |
39506348 KH |
5186 | /* Return the fontset id of the base fontset name or alias name given |
5187 | by the fontset attribute of ATTRS. Value is -1 if the fontset | |
5188 | attribute of ATTRS doesn't name a fontset. */ | |
82641697 GM |
5189 | |
5190 | static int | |
4973679b | 5191 | face_fontset (Lisp_Object attrs[LFACE_VECTOR_SIZE]) |
82641697 | 5192 | { |
39506348 | 5193 | Lisp_Object name; |
178c5d9c | 5194 | |
763bc839 | 5195 | name = attrs[LFACE_FONTSET_INDEX]; |
39506348 KH |
5196 | if (!STRINGP (name)) |
5197 | return -1; | |
5198 | return fs_query_fontset (name, 0); | |
82641697 GM |
5199 | } |
5200 | ||
c3cee013 | 5201 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
5202 | |
5203 | ||
5204 | \f | |
5205 | /*********************************************************************** | |
5206 | Face Realization | |
5207 | ***********************************************************************/ | |
5208 | ||
5209 | /* Realize basic faces on frame F. Value is zero if frame parameters | |
5210 | of F don't contain enough information needed to realize the default | |
5211 | face. */ | |
5212 | ||
5213 | static int | |
971de7fb | 5214 | realize_basic_faces (struct frame *f) |
82641697 GM |
5215 | { |
5216 | int success_p = 0; | |
d311d28c | 5217 | ptrdiff_t count = SPECPDL_INDEX (); |
17e8204b | 5218 | |
04386463 GM |
5219 | /* Block input here so that we won't be surprised by an X expose |
5220 | event, for instance, without having the faces set up. */ | |
4d7e6e51 | 5221 | block_input (); |
eeffb293 | 5222 | specbind (Qscalable_fonts_allowed, Qt); |
178c5d9c | 5223 | |
82641697 GM |
5224 | if (realize_default_face (f)) |
5225 | { | |
92610620 | 5226 | realize_named_face (f, Qmode_line, MODE_LINE_FACE_ID); |
039b6394 | 5227 | realize_named_face (f, Qmode_line_inactive, MODE_LINE_INACTIVE_FACE_ID); |
9ea173e8 | 5228 | realize_named_face (f, Qtool_bar, TOOL_BAR_FACE_ID); |
4e50fa8b | 5229 | realize_named_face (f, Qfringe, FRINGE_FACE_ID); |
045dee35 | 5230 | realize_named_face (f, Qheader_line, HEADER_LINE_FACE_ID); |
8bd201d6 GM |
5231 | realize_named_face (f, Qscroll_bar, SCROLL_BAR_FACE_ID); |
5232 | realize_named_face (f, Qborder, BORDER_FACE_ID); | |
5233 | realize_named_face (f, Qcursor, CURSOR_FACE_ID); | |
5234 | realize_named_face (f, Qmouse, MOUSE_FACE_ID); | |
c7ae3284 | 5235 | realize_named_face (f, Qmenu, MENU_FACE_ID); |
53abc3bf | 5236 | realize_named_face (f, Qvertical_border, VERTICAL_BORDER_FACE_ID); |
563f68f1 | 5237 | |
b5de343d | 5238 | /* Reflect changes in the `menu' face in menu bars. */ |
ceeda019 | 5239 | if (FRAME_FACE_CACHE (f)->menu_face_changed_p) |
563f68f1 | 5240 | { |
ceeda019 | 5241 | FRAME_FACE_CACHE (f)->menu_face_changed_p = 0; |
563f68f1 | 5242 | #ifdef USE_X_TOOLKIT |
b5f03016 AS |
5243 | if (FRAME_WINDOW_P (f)) |
5244 | x_update_menu_appearance (f); | |
a03ad468 | 5245 | #endif |
563f68f1 | 5246 | } |
177c0ea7 | 5247 | |
82641697 GM |
5248 | success_p = 1; |
5249 | } | |
5250 | ||
eeffb293 | 5251 | unbind_to (count, Qnil); |
4d7e6e51 | 5252 | unblock_input (); |
82641697 GM |
5253 | return success_p; |
5254 | } | |
5255 | ||
5256 | ||
5257 | /* Realize the default face on frame F. If the face is not fully | |
5258 | specified, make it fully-specified. Attributes of the default face | |
5259 | that are not explicitly specified are taken from frame parameters. */ | |
5260 | ||
5261 | static int | |
971de7fb | 5262 | realize_default_face (struct frame *f) |
82641697 GM |
5263 | { |
5264 | struct face_cache *c = FRAME_FACE_CACHE (f); | |
5265 | Lisp_Object lface; | |
5266 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
82641697 | 5267 | struct face *face; |
82641697 GM |
5268 | |
5269 | /* If the `default' face is not yet known, create it. */ | |
5270 | lface = lface_from_face_name (f, Qdefault, 0); | |
5271 | if (NILP (lface)) | |
1682701f | 5272 | { |
07446869 GM |
5273 | Lisp_Object frame; |
5274 | XSETFRAME (frame, f); | |
5275 | lface = Finternal_make_lisp_face (Qdefault, frame); | |
1682701f | 5276 | } |
07446869 | 5277 | |
c3cee013 JR |
5278 | #ifdef HAVE_WINDOW_SYSTEM |
5279 | if (FRAME_WINDOW_P (f)) | |
82641697 | 5280 | { |
2dee4c0b KH |
5281 | Lisp_Object font_object; |
5282 | ||
5283 | XSETFONT (font_object, FRAME_FONT (f)); | |
5284 | set_lface_from_font (f, lface, font_object, f->default_face_done_p); | |
4939150c | 5285 | ASET (lface, LFACE_FONTSET_INDEX, fontset_name (FRAME_FONTSET (f))); |
a5f696ac | 5286 | f->default_face_done_p = 1; |
82641697 | 5287 | } |
c3cee013 | 5288 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 | 5289 | |
44747bd0 | 5290 | if (!FRAME_WINDOW_P (f)) |
82641697 | 5291 | { |
4939150c PE |
5292 | ASET (lface, LFACE_FAMILY_INDEX, build_string ("default")); |
5293 | ASET (lface, LFACE_FOUNDRY_INDEX, LFACE_FAMILY (lface)); | |
5294 | ASET (lface, LFACE_SWIDTH_INDEX, Qnormal); | |
5295 | ASET (lface, LFACE_HEIGHT_INDEX, make_number (1)); | |
c1e7532d | 5296 | if (UNSPECIFIEDP (LFACE_WEIGHT (lface))) |
4939150c | 5297 | ASET (lface, LFACE_WEIGHT_INDEX, Qnormal); |
c1e7532d | 5298 | if (UNSPECIFIEDP (LFACE_SLANT (lface))) |
4939150c | 5299 | ASET (lface, LFACE_SLANT_INDEX, Qnormal); |
70d6ecc6 | 5300 | if (UNSPECIFIEDP (LFACE_FONTSET (lface))) |
4939150c | 5301 | ASET (lface, LFACE_FONTSET_INDEX, Qnil); |
82641697 | 5302 | } |
178c5d9c | 5303 | |
82641697 | 5304 | if (UNSPECIFIEDP (LFACE_UNDERLINE (lface))) |
4939150c | 5305 | ASET (lface, LFACE_UNDERLINE_INDEX, Qnil); |
178c5d9c | 5306 | |
82641697 | 5307 | if (UNSPECIFIEDP (LFACE_OVERLINE (lface))) |
4939150c | 5308 | ASET (lface, LFACE_OVERLINE_INDEX, Qnil); |
178c5d9c | 5309 | |
82641697 | 5310 | if (UNSPECIFIEDP (LFACE_STRIKE_THROUGH (lface))) |
4939150c | 5311 | ASET (lface, LFACE_STRIKE_THROUGH_INDEX, Qnil); |
178c5d9c | 5312 | |
82641697 | 5313 | if (UNSPECIFIEDP (LFACE_BOX (lface))) |
4939150c | 5314 | ASET (lface, LFACE_BOX_INDEX, Qnil); |
178c5d9c | 5315 | |
82641697 | 5316 | if (UNSPECIFIEDP (LFACE_INVERSE (lface))) |
4939150c | 5317 | ASET (lface, LFACE_INVERSE_INDEX, Qnil); |
178c5d9c | 5318 | |
82641697 GM |
5319 | if (UNSPECIFIEDP (LFACE_FOREGROUND (lface))) |
5320 | { | |
5321 | /* This function is called so early that colors are not yet | |
5322 | set in the frame parameter list. */ | |
e69b0960 | 5323 | Lisp_Object color = Fassq (Qforeground_color, f->param_alist); |
178c5d9c | 5324 | |
82641697 | 5325 | if (CONSP (color) && STRINGP (XCDR (color))) |
4939150c | 5326 | ASET (lface, LFACE_FOREGROUND_INDEX, XCDR (color)); |
c3cee013 | 5327 | else if (FRAME_WINDOW_P (f)) |
82641697 | 5328 | return 0; |
3224dac1 | 5329 | else if (FRAME_INITIAL_P (f) || FRAME_TERMCAP_P (f) || FRAME_MSDOS_P (f)) |
4939150c | 5330 | ASET (lface, LFACE_FOREGROUND_INDEX, build_string (unspecified_fg)); |
f9d2fdc4 | 5331 | else |
1088b922 | 5332 | emacs_abort (); |
82641697 | 5333 | } |
178c5d9c | 5334 | |
82641697 GM |
5335 | if (UNSPECIFIEDP (LFACE_BACKGROUND (lface))) |
5336 | { | |
5337 | /* This function is called so early that colors are not yet | |
5338 | set in the frame parameter list. */ | |
e69b0960 | 5339 | Lisp_Object color = Fassq (Qbackground_color, f->param_alist); |
82641697 | 5340 | if (CONSP (color) && STRINGP (XCDR (color))) |
4939150c | 5341 | ASET (lface, LFACE_BACKGROUND_INDEX, XCDR (color)); |
c3cee013 | 5342 | else if (FRAME_WINDOW_P (f)) |
82641697 | 5343 | return 0; |
3224dac1 | 5344 | else if (FRAME_INITIAL_P (f) || FRAME_TERMCAP_P (f) || FRAME_MSDOS_P (f)) |
4939150c | 5345 | ASET (lface, LFACE_BACKGROUND_INDEX, build_string (unspecified_bg)); |
f9d2fdc4 | 5346 | else |
1088b922 | 5347 | emacs_abort (); |
82641697 | 5348 | } |
178c5d9c | 5349 | |
82641697 | 5350 | if (UNSPECIFIEDP (LFACE_STIPPLE (lface))) |
4939150c | 5351 | ASET (lface, LFACE_STIPPLE_INDEX, Qnil); |
82641697 GM |
5352 | |
5353 | /* Realize the face; it must be fully-specified now. */ | |
a54e2c05 | 5354 | eassert (lface_fully_specified_p (XVECTOR (lface)->contents)); |
82641697 | 5355 | check_lface (lface); |
72af86bd | 5356 | memcpy (attrs, XVECTOR (lface)->contents, sizeof attrs); |
af53b43c | 5357 | face = realize_face (c, attrs, DEFAULT_FACE_ID); |
4da9c136 KH |
5358 | |
5359 | #ifdef HAVE_WINDOW_SYSTEM | |
41a9b76e | 5360 | #ifdef HAVE_X_WINDOWS |
361c0d6e | 5361 | if (FRAME_X_P (f) && face->font != FRAME_FONT (f)) |
73158a39 CY |
5362 | { |
5363 | /* This can happen when making a frame on a display that does | |
b5f03016 | 5364 | not support the default font. */ |
73158a39 | 5365 | if (!face->font) |
b5f03016 | 5366 | return 0; |
d5ab09cd | 5367 | |
73158a39 | 5368 | /* Otherwise, the font specified for the frame was not |
b5f03016 AS |
5369 | acceptable as a font for the default face (perhaps because |
5370 | auto-scaled fonts are rejected), so we must adjust the frame | |
5371 | font. */ | |
2dee4c0b | 5372 | x_set_font (f, LFACE_FONT (lface), Qnil); |
73158a39 | 5373 | } |
4da9c136 KH |
5374 | #endif /* HAVE_X_WINDOWS */ |
5375 | #endif /* HAVE_WINDOW_SYSTEM */ | |
82641697 GM |
5376 | return 1; |
5377 | } | |
5378 | ||
5379 | ||
5380 | /* Realize basic faces other than the default face in face cache C. | |
5381 | SYMBOL is the face name, ID is the face id the realized face must | |
5382 | have. The default face must have been realized already. */ | |
5383 | ||
5384 | static void | |
971de7fb | 5385 | realize_named_face (struct frame *f, Lisp_Object symbol, int id) |
82641697 | 5386 | { |
e7d7fd8c | 5387 | struct face_cache *c = FRAME_FACE_CACHE (f); |
82641697 GM |
5388 | Lisp_Object lface = lface_from_face_name (f, symbol, 0); |
5389 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
e7d7fd8c | 5390 | Lisp_Object symbol_attrs[LFACE_VECTOR_SIZE]; |
82641697 GM |
5391 | |
5392 | /* The default face must exist and be fully specified. */ | |
f2cec7a9 | 5393 | get_lface_attributes_no_remap (f, Qdefault, attrs, 1); |
82641697 | 5394 | check_lface_attrs (attrs); |
a54e2c05 | 5395 | eassert (lface_fully_specified_p (attrs)); |
82641697 | 5396 | |
e7d7fd8c | 5397 | /* If SYMBOL isn't know as a face, create it. */ |
82641697 GM |
5398 | if (NILP (lface)) |
5399 | { | |
5400 | Lisp_Object frame; | |
5401 | XSETFRAME (frame, f); | |
5402 | lface = Finternal_make_lisp_face (symbol, frame); | |
5403 | } | |
5404 | ||
5405 | /* Merge SYMBOL's face with the default face. */ | |
f2cec7a9 | 5406 | get_lface_attributes_no_remap (f, symbol, symbol_attrs, 1); |
e7d7fd8c MB |
5407 | merge_face_vectors (f, symbol_attrs, attrs, 0); |
5408 | ||
5409 | /* Realize the face. */ | |
a5a62657 | 5410 | realize_face (c, attrs, id); |
82641697 GM |
5411 | } |
5412 | ||
5413 | ||
5414 | /* Realize the fully-specified face with attributes ATTRS in face | |
af53b43c KH |
5415 | cache CACHE for ASCII characters. If FORMER_FACE_ID is |
5416 | non-negative, it is an ID of face to remove before caching the new | |
5417 | face. Value is a pointer to the newly created realized face. */ | |
82641697 GM |
5418 | |
5419 | static struct face * | |
4973679b PE |
5420 | realize_face (struct face_cache *cache, Lisp_Object attrs[LFACE_VECTOR_SIZE], |
5421 | int former_face_id) | |
82641697 GM |
5422 | { |
5423 | struct face *face; | |
178c5d9c | 5424 | |
82641697 | 5425 | /* LFACE must be fully specified. */ |
a54e2c05 | 5426 | eassert (cache != NULL); |
82641697 GM |
5427 | check_lface_attrs (attrs); |
5428 | ||
39506348 KH |
5429 | if (former_face_id >= 0 && cache->used > former_face_id) |
5430 | { | |
5431 | /* Remove the former face. */ | |
5432 | struct face *former_face = cache->faces_by_id[former_face_id]; | |
5433 | uncache_face (cache, former_face); | |
5434 | free_realized_face (cache->f, former_face); | |
7c33a057 | 5435 | SET_FRAME_GARBAGED (cache->f); |
39506348 KH |
5436 | } |
5437 | ||
5438 | if (FRAME_WINDOW_P (cache->f)) | |
af53b43c | 5439 | face = realize_x_face (cache, attrs); |
e689ec06 | 5440 | else if (FRAME_TERMCAP_P (cache->f) || FRAME_MSDOS_P (cache->f)) |
af53b43c | 5441 | face = realize_tty_face (cache, attrs); |
d448e982 KL |
5442 | else if (FRAME_INITIAL_P (cache->f)) |
5443 | { | |
5444 | /* Create a dummy face. */ | |
5445 | face = make_realized_face (attrs); | |
5446 | } | |
82641697 | 5447 | else |
1088b922 | 5448 | emacs_abort (); |
82641697 | 5449 | |
39506348 KH |
5450 | /* Insert the new face. */ |
5451 | cache_face (cache, face, lface_hash (attrs)); | |
af53b43c KH |
5452 | return face; |
5453 | } | |
5454 | ||
5455 | ||
8c6204de | 5456 | #ifdef HAVE_WINDOW_SYSTEM |
2dee4c0b KH |
5457 | /* Realize the fully-specified face that uses FONT-OBJECT and has the |
5458 | same attributes as BASE_FACE except for the font on frame F. | |
5459 | FONT-OBJECT may be nil, in which case, realized a face of | |
5460 | no-font. */ | |
af53b43c KH |
5461 | |
5462 | static struct face * | |
b5f03016 AS |
5463 | realize_non_ascii_face (struct frame *f, Lisp_Object font_object, |
5464 | struct face *base_face) | |
af53b43c KH |
5465 | { |
5466 | struct face_cache *cache = FRAME_FACE_CACHE (f); | |
8f924df7 | 5467 | struct face *face; |
af53b43c | 5468 | |
23f86fce | 5469 | face = xmalloc (sizeof *face); |
af53b43c KH |
5470 | *face = *base_face; |
5471 | face->gc = 0; | |
bdd10de6 | 5472 | face->extra = NULL; |
2dee4c0b KH |
5473 | face->overstrike |
5474 | = (! NILP (font_object) | |
5475 | && FONT_WEIGHT_NAME_NUMERIC (face->lface[LFACE_WEIGHT_INDEX]) > 100 | |
5476 | && FONT_WEIGHT_NUMERIC (font_object) <= 100); | |
af53b43c KH |
5477 | |
5478 | /* Don't try to free the colors copied bitwise from BASE_FACE. */ | |
5479 | face->colors_copied_bitwise_p = 1; | |
2dee4c0b | 5480 | face->font = NILP (font_object) ? NULL : XFONT_OBJECT (font_object); |
af53b43c KH |
5481 | face->gc = 0; |
5482 | ||
5483 | cache_face (cache, face, face->hash); | |
5484 | ||
82641697 GM |
5485 | return face; |
5486 | } | |
8c6204de | 5487 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
5488 | |
5489 | ||
5490 | /* Realize the fully-specified face with attributes ATTRS in face | |
af53b43c KH |
5491 | cache CACHE for ASCII characters. Do it for X frame CACHE->f. If |
5492 | the new face doesn't share font with the default face, a fontname | |
5493 | is allocated from the heap and set in `font_name' of the new face, | |
5494 | but it is not yet loaded here. Value is a pointer to the newly | |
5495 | created realized face. */ | |
82641697 GM |
5496 | |
5497 | static struct face * | |
4973679b | 5498 | realize_x_face (struct face_cache *cache, Lisp_Object attrs[LFACE_VECTOR_SIZE]) |
82641697 | 5499 | { |
7d603e3f | 5500 | struct face *face = NULL; |
c3cee013 | 5501 | #ifdef HAVE_WINDOW_SYSTEM |
7d603e3f | 5502 | struct face *default_face; |
78d2079c | 5503 | struct frame *f; |
9b0e3eba | 5504 | Lisp_Object stipple, underline, overline, strike_through, box; |
82641697 | 5505 | |
a54e2c05 | 5506 | eassert (FRAME_WINDOW_P (cache->f)); |
82641697 GM |
5507 | |
5508 | /* Allocate a new realized face. */ | |
39506348 | 5509 | face = make_realized_face (attrs); |
af53b43c | 5510 | face->ascii_face = face; |
39506348 KH |
5511 | |
5512 | f = cache->f; | |
5513 | ||
82641697 GM |
5514 | /* Determine the font to use. Most of the time, the font will be |
5515 | the same as the font of the default face, so try that first. */ | |
5516 | default_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
5517 | if (default_face | |
82641697 GM |
5518 | && lface_same_font_attributes_p (default_face->lface, attrs)) |
5519 | { | |
5520 | face->font = default_face->font; | |
76f54ecc KH |
5521 | face->fontset |
5522 | = make_fontset_for_ascii_face (f, default_face->fontset, face); | |
82641697 GM |
5523 | } |
5524 | else | |
5525 | { | |
39506348 | 5526 | /* If the face attribute ATTRS specifies a fontset, use it as |
fc8c4797 KH |
5527 | the base of a new realized fontset. Otherwise, use the same |
5528 | base fontset as of the default face. The base determines | |
5529 | registry and encoding of a font. It may also determine | |
5530 | foundry and family. The other fields of font name pattern | |
5531 | are constructed from ATTRS. */ | |
5532 | int fontset = face_fontset (attrs); | |
5533 | ||
af53b43c KH |
5534 | /* If we are realizing the default face, ATTRS should specify a |
5535 | fontset. In other words, if FONTSET is -1, we are not | |
5536 | realizing the default face, thus the default face should have | |
5537 | already been realized. */ | |
5538 | if (fontset == -1) | |
d78494f9 CY |
5539 | { |
5540 | if (default_face) | |
5541 | fontset = default_face->fontset; | |
5542 | if (fontset == -1) | |
1088b922 | 5543 | emacs_abort (); |
d78494f9 | 5544 | } |
2dee4c0b KH |
5545 | if (! FONT_OBJECT_P (attrs[LFACE_FONT_INDEX])) |
5546 | attrs[LFACE_FONT_INDEX] | |
5547 | = font_load_for_lface (f, attrs, attrs[LFACE_FONT_INDEX]); | |
5548 | if (FONT_OBJECT_P (attrs[LFACE_FONT_INDEX])) | |
5549 | { | |
5550 | face->font = XFONT_OBJECT (attrs[LFACE_FONT_INDEX]); | |
5551 | face->fontset = make_fontset_for_ascii_face (f, fontset, face); | |
5552 | } | |
426b2119 | 5553 | else |
2dee4c0b KH |
5554 | { |
5555 | face->font = NULL; | |
5556 | face->fontset = -1; | |
5557 | } | |
82641697 GM |
5558 | } |
5559 | ||
2dee4c0b KH |
5560 | if (face->font |
5561 | && FONT_WEIGHT_NAME_NUMERIC (attrs[LFACE_WEIGHT_INDEX]) > 100 | |
5562 | && FONT_WEIGHT_NUMERIC (attrs[LFACE_FONT_INDEX]) <= 100) | |
5563 | face->overstrike = 1; | |
5564 | ||
82641697 | 5565 | /* Load colors, and set remaining attributes. */ |
178c5d9c | 5566 | |
82641697 | 5567 | load_face_colors (f, face, attrs); |
660ed669 | 5568 | |
82641697 GM |
5569 | /* Set up box. */ |
5570 | box = attrs[LFACE_BOX_INDEX]; | |
5571 | if (STRINGP (box)) | |
cb637678 | 5572 | { |
82641697 GM |
5573 | /* A simple box of line width 1 drawn in color given by |
5574 | the string. */ | |
5575 | face->box_color = load_color (f, face, attrs[LFACE_BOX_INDEX], | |
5576 | LFACE_BOX_INDEX); | |
5577 | face->box = FACE_SIMPLE_BOX; | |
5578 | face->box_line_width = 1; | |
cb637678 | 5579 | } |
82641697 | 5580 | else if (INTEGERP (box)) |
42120bc7 | 5581 | { |
82641697 | 5582 | /* Simple box of specified line width in foreground color of the |
b5f03016 | 5583 | face. */ |
a54e2c05 | 5584 | eassert (XINT (box) != 0); |
82641697 | 5585 | face->box = FACE_SIMPLE_BOX; |
89624b8b | 5586 | face->box_line_width = XINT (box); |
82641697 GM |
5587 | face->box_color = face->foreground; |
5588 | face->box_color_defaulted_p = 1; | |
5589 | } | |
5590 | else if (CONSP (box)) | |
5591 | { | |
5592 | /* `(:width WIDTH :color COLOR :shadow SHADOW)'. SHADOW | |
5593 | being one of `raised' or `sunken'. */ | |
5594 | face->box = FACE_SIMPLE_BOX; | |
5595 | face->box_color = face->foreground; | |
5596 | face->box_color_defaulted_p = 1; | |
5597 | face->box_line_width = 1; | |
5598 | ||
5599 | while (CONSP (box)) | |
42120bc7 | 5600 | { |
82641697 GM |
5601 | Lisp_Object keyword, value; |
5602 | ||
5603 | keyword = XCAR (box); | |
5604 | box = XCDR (box); | |
5605 | ||
5606 | if (!CONSP (box)) | |
5607 | break; | |
5608 | value = XCAR (box); | |
5609 | box = XCDR (box); | |
5610 | ||
5611 | if (EQ (keyword, QCline_width)) | |
5612 | { | |
89624b8b KH |
5613 | if (INTEGERP (value) && XINT (value) != 0) |
5614 | face->box_line_width = XINT (value); | |
82641697 GM |
5615 | } |
5616 | else if (EQ (keyword, QCcolor)) | |
5617 | { | |
5618 | if (STRINGP (value)) | |
5619 | { | |
5620 | face->box_color = load_color (f, face, value, | |
5621 | LFACE_BOX_INDEX); | |
5622 | face->use_box_color_for_shadows_p = 1; | |
5623 | } | |
5624 | } | |
5625 | else if (EQ (keyword, QCstyle)) | |
a8517066 | 5626 | { |
82641697 GM |
5627 | if (EQ (value, Qreleased_button)) |
5628 | face->box = FACE_RAISED_BOX; | |
5629 | else if (EQ (value, Qpressed_button)) | |
5630 | face->box = FACE_SUNKEN_BOX; | |
a8517066 | 5631 | } |
42120bc7 RS |
5632 | } |
5633 | } | |
195f798e | 5634 | |
82641697 | 5635 | /* Text underline, overline, strike-through. */ |
178c5d9c | 5636 | |
9b0e3eba AA |
5637 | underline = attrs[LFACE_UNDERLINE_INDEX]; |
5638 | if (EQ (underline, Qt)) | |
178c5d9c | 5639 | { |
82641697 GM |
5640 | /* Use default color (same as foreground color). */ |
5641 | face->underline_p = 1; | |
9b0e3eba | 5642 | face->underline_type = FACE_UNDER_LINE; |
82641697 GM |
5643 | face->underline_defaulted_p = 1; |
5644 | face->underline_color = 0; | |
5645 | } | |
9b0e3eba | 5646 | else if (STRINGP (underline)) |
195f798e | 5647 | { |
82641697 GM |
5648 | /* Use specified color. */ |
5649 | face->underline_p = 1; | |
9b0e3eba | 5650 | face->underline_type = FACE_UNDER_LINE; |
82641697 GM |
5651 | face->underline_defaulted_p = 0; |
5652 | face->underline_color | |
9b0e3eba | 5653 | = load_color (f, face, underline, |
82641697 | 5654 | LFACE_UNDERLINE_INDEX); |
195f798e | 5655 | } |
9b0e3eba | 5656 | else if (NILP (underline)) |
7b00de84 | 5657 | { |
82641697 GM |
5658 | face->underline_p = 0; |
5659 | face->underline_defaulted_p = 0; | |
5660 | face->underline_color = 0; | |
7b00de84 | 5661 | } |
9b0e3eba AA |
5662 | else if (CONSP (underline)) |
5663 | { | |
38182d90 | 5664 | /* `(:color COLOR :style STYLE)'. |
9b0e3eba AA |
5665 | STYLE being one of `line' or `wave'. */ |
5666 | face->underline_p = 1; | |
5667 | face->underline_color = 0; | |
5668 | face->underline_defaulted_p = 1; | |
5669 | face->underline_type = FACE_UNDER_LINE; | |
5670 | ||
bde3c6c0 GM |
5671 | /* FIXME? This is also not robust about checking the precise form. |
5672 | See comments in Finternal_set_lisp_face_attribute. */ | |
9b0e3eba AA |
5673 | while (CONSP (underline)) |
5674 | { | |
5675 | Lisp_Object keyword, value; | |
5676 | ||
5677 | keyword = XCAR (underline); | |
5678 | underline = XCDR (underline); | |
5679 | ||
5680 | if (!CONSP (underline)) | |
5681 | break; | |
5682 | value = XCAR (underline); | |
5683 | underline = XCDR (underline); | |
5684 | ||
5685 | if (EQ (keyword, QCcolor)) | |
5686 | { | |
5687 | if (EQ (value, Qforeground_color)) | |
5688 | { | |
5689 | face->underline_defaulted_p = 1; | |
5690 | face->underline_color = 0; | |
5691 | } | |
5692 | else if (STRINGP (value)) | |
5693 | { | |
5694 | face->underline_defaulted_p = 0; | |
5695 | face->underline_color = load_color (f, face, value, | |
5696 | LFACE_UNDERLINE_INDEX); | |
5697 | } | |
5698 | } | |
5699 | else if (EQ (keyword, QCstyle)) | |
5700 | { | |
5701 | if (EQ (value, Qline)) | |
5702 | face->underline_type = FACE_UNDER_LINE; | |
5703 | else if (EQ (value, Qwave)) | |
5704 | face->underline_type = FACE_UNDER_WAVE; | |
5705 | } | |
5706 | } | |
5707 | } | |
38182d90 | 5708 | |
82641697 GM |
5709 | overline = attrs[LFACE_OVERLINE_INDEX]; |
5710 | if (STRINGP (overline)) | |
cb637678 | 5711 | { |
82641697 GM |
5712 | face->overline_color |
5713 | = load_color (f, face, attrs[LFACE_OVERLINE_INDEX], | |
5714 | LFACE_OVERLINE_INDEX); | |
5715 | face->overline_p = 1; | |
cb637678 | 5716 | } |
82641697 | 5717 | else if (EQ (overline, Qt)) |
cb637678 | 5718 | { |
82641697 GM |
5719 | face->overline_color = face->foreground; |
5720 | face->overline_color_defaulted_p = 1; | |
5721 | face->overline_p = 1; | |
cb637678 JB |
5722 | } |
5723 | ||
82641697 GM |
5724 | strike_through = attrs[LFACE_STRIKE_THROUGH_INDEX]; |
5725 | if (STRINGP (strike_through)) | |
5726 | { | |
5727 | face->strike_through_color | |
5728 | = load_color (f, face, attrs[LFACE_STRIKE_THROUGH_INDEX], | |
5729 | LFACE_STRIKE_THROUGH_INDEX); | |
5730 | face->strike_through_p = 1; | |
5731 | } | |
5732 | else if (EQ (strike_through, Qt)) | |
5733 | { | |
5734 | face->strike_through_color = face->foreground; | |
5735 | face->strike_through_color_defaulted_p = 1; | |
5736 | face->strike_through_p = 1; | |
5737 | } | |
867dd159 | 5738 | |
82641697 GM |
5739 | stipple = attrs[LFACE_STIPPLE_INDEX]; |
5740 | if (!NILP (stipple)) | |
5741 | face->stipple = load_pixmap (f, stipple, &face->pixmap_w, &face->pixmap_h); | |
c3cee013 | 5742 | #endif /* HAVE_WINDOW_SYSTEM */ |
660ed669 | 5743 | |
82641697 | 5744 | return face; |
660ed669 JB |
5745 | } |
5746 | ||
729425b1 | 5747 | |
ae4b4ba5 GM |
5748 | /* Map a specified color of face FACE on frame F to a tty color index. |
5749 | IDX is either LFACE_FOREGROUND_INDEX or LFACE_BACKGROUND_INDEX, and | |
5750 | specifies which color to map. Set *DEFAULTED to 1 if mapping to the | |
5751 | default foreground/background colors. */ | |
5752 | ||
5753 | static void | |
b5f03016 AS |
5754 | map_tty_color (struct frame *f, struct face *face, |
5755 | enum lface_attribute_index idx, int *defaulted) | |
ae4b4ba5 GM |
5756 | { |
5757 | Lisp_Object frame, color, def; | |
5758 | int foreground_p = idx == LFACE_FOREGROUND_INDEX; | |
a5a62657 PE |
5759 | unsigned long default_pixel = |
5760 | foreground_p ? FACE_TTY_DEFAULT_FG_COLOR : FACE_TTY_DEFAULT_BG_COLOR; | |
5761 | unsigned long pixel = default_pixel; | |
5762 | #ifdef MSDOS | |
5763 | unsigned long default_other_pixel = | |
5764 | foreground_p ? FACE_TTY_DEFAULT_BG_COLOR : FACE_TTY_DEFAULT_FG_COLOR; | |
5765 | #endif | |
ae4b4ba5 | 5766 | |
a54e2c05 | 5767 | eassert (idx == LFACE_FOREGROUND_INDEX || idx == LFACE_BACKGROUND_INDEX); |
ae4b4ba5 | 5768 | |
ae4b4ba5 GM |
5769 | XSETFRAME (frame, f); |
5770 | color = face->lface[idx]; | |
177c0ea7 | 5771 | |
ae4b4ba5 | 5772 | if (STRINGP (color) |
d5db4077 | 5773 | && SCHARS (color) |
ae4b4ba5 GM |
5774 | && CONSP (Vtty_defined_color_alist) |
5775 | && (def = assq_no_quit (color, call1 (Qtty_color_alist, frame)), | |
5776 | CONSP (def))) | |
5777 | { | |
5778 | /* Associations in tty-defined-color-alist are of the form | |
5779 | (NAME INDEX R G B). We need the INDEX part. */ | |
5780 | pixel = XINT (XCAR (XCDR (def))); | |
5781 | } | |
5782 | ||
5783 | if (pixel == default_pixel && STRINGP (color)) | |
5784 | { | |
5785 | pixel = load_color (f, face, color, idx); | |
5786 | ||
8d05ec51 | 5787 | #ifdef MSDOS |
ae4b4ba5 GM |
5788 | /* If the foreground of the default face is the default color, |
5789 | use the foreground color defined by the frame. */ | |
ae4b4ba5 GM |
5790 | if (FRAME_MSDOS_P (f)) |
5791 | { | |
ae4b4ba5 GM |
5792 | if (pixel == default_pixel |
5793 | || pixel == FACE_TTY_DEFAULT_COLOR) | |
5794 | { | |
5795 | if (foreground_p) | |
5796 | pixel = FRAME_FOREGROUND_PIXEL (f); | |
5797 | else | |
5798 | pixel = FRAME_BACKGROUND_PIXEL (f); | |
5799 | face->lface[idx] = tty_color_name (f, pixel); | |
5800 | *defaulted = 1; | |
5801 | } | |
5802 | else if (pixel == default_other_pixel) | |
5803 | { | |
5804 | if (foreground_p) | |
5805 | pixel = FRAME_BACKGROUND_PIXEL (f); | |
5806 | else | |
5807 | pixel = FRAME_FOREGROUND_PIXEL (f); | |
5808 | face->lface[idx] = tty_color_name (f, pixel); | |
5809 | *defaulted = 1; | |
5810 | } | |
b5f03016 | 5811 | } |
8d05ec51 | 5812 | #endif /* MSDOS */ |
ae4b4ba5 GM |
5813 | } |
5814 | ||
5815 | if (foreground_p) | |
5816 | face->foreground = pixel; | |
5817 | else | |
5818 | face->background = pixel; | |
5819 | } | |
5820 | ||
5821 | ||
82641697 | 5822 | /* Realize the fully-specified face with attributes ATTRS in face |
af53b43c KH |
5823 | cache CACHE for ASCII characters. Do it for TTY frame CACHE->f. |
5824 | Value is a pointer to the newly created realized face. */ | |
a8517066 | 5825 | |
82641697 | 5826 | static struct face * |
4973679b PE |
5827 | realize_tty_face (struct face_cache *cache, |
5828 | Lisp_Object attrs[LFACE_VECTOR_SIZE]) | |
82641697 GM |
5829 | { |
5830 | struct face *face; | |
5831 | int weight, slant; | |
2d764c78 | 5832 | int face_colors_defaulted = 0; |
ae4b4ba5 | 5833 | struct frame *f = cache->f; |
729425b1 | 5834 | |
82641697 | 5835 | /* Frame must be a termcap frame. */ |
a54e2c05 | 5836 | eassert (FRAME_TERMCAP_P (cache->f) || FRAME_MSDOS_P (cache->f)); |
178c5d9c | 5837 | |
82641697 | 5838 | /* Allocate a new realized face. */ |
39506348 | 5839 | face = make_realized_face (attrs); |
2dee4c0b | 5840 | #if 0 |
e689ec06 | 5841 | face->font_name = FRAME_MSDOS_P (cache->f) ? "ms-dos" : "tty"; |
2dee4c0b | 5842 | #endif |
82641697 | 5843 | |
cd4eb164 | 5844 | /* Map face attributes to TTY appearances. */ |
2dee4c0b KH |
5845 | weight = FONT_WEIGHT_NAME_NUMERIC (attrs[LFACE_WEIGHT_INDEX]); |
5846 | slant = FONT_SLANT_NAME_NUMERIC (attrs[LFACE_SLANT_INDEX]); | |
5847 | if (weight > 100) | |
82641697 | 5848 | face->tty_bold_p = 1; |
cd4eb164 CY |
5849 | if (slant != 100) |
5850 | face->tty_italic_p = 1; | |
82641697 GM |
5851 | if (!NILP (attrs[LFACE_UNDERLINE_INDEX])) |
5852 | face->tty_underline_p = 1; | |
5853 | if (!NILP (attrs[LFACE_INVERSE_INDEX])) | |
5854 | face->tty_reverse_p = 1; | |
5855 | ||
5856 | /* Map color names to color indices. */ | |
ae4b4ba5 GM |
5857 | map_tty_color (f, face, LFACE_FOREGROUND_INDEX, &face_colors_defaulted); |
5858 | map_tty_color (f, face, LFACE_BACKGROUND_INDEX, &face_colors_defaulted); | |
177c0ea7 | 5859 | |
2d764c78 EZ |
5860 | /* Swap colors if face is inverse-video. If the colors are taken |
5861 | from the frame colors, they are already inverted, since the | |
5862 | frame-creation function calls x-handle-reverse-video. */ | |
5863 | if (face->tty_reverse_p && !face_colors_defaulted) | |
44747bd0 EZ |
5864 | { |
5865 | unsigned long tem = face->foreground; | |
44747bd0 EZ |
5866 | face->foreground = face->background; |
5867 | face->background = tem; | |
5868 | } | |
44747bd0 | 5869 | |
a4a76b61 GM |
5870 | if (tty_suppress_bold_inverse_default_colors_p |
5871 | && face->tty_bold_p | |
5872 | && face->background == FACE_TTY_DEFAULT_FG_COLOR | |
5873 | && face->foreground == FACE_TTY_DEFAULT_BG_COLOR) | |
5874 | face->tty_bold_p = 0; | |
5875 | ||
82641697 | 5876 | return face; |
729425b1 | 5877 | } |
867dd159 | 5878 | |
82641697 | 5879 | |
a4a76b61 GM |
5880 | DEFUN ("tty-suppress-bold-inverse-default-colors", |
5881 | Ftty_suppress_bold_inverse_default_colors, | |
5882 | Stty_suppress_bold_inverse_default_colors, 1, 1, 0, | |
e3cd9e7f | 5883 | doc: /* Suppress/allow boldness of faces with inverse default colors. |
228299fa GM |
5884 | SUPPRESS non-nil means suppress it. |
5885 | This affects bold faces on TTYs whose foreground is the default background | |
5886 | color of the display and whose background is the default foreground color. | |
5887 | For such faces, the bold face attribute is ignored if this variable | |
7ee72033 | 5888 | is non-nil. */) |
5842a27b | 5889 | (Lisp_Object suppress) |
a4a76b61 GM |
5890 | { |
5891 | tty_suppress_bold_inverse_default_colors_p = !NILP (suppress); | |
5892 | ++face_change_count; | |
5893 | return suppress; | |
5894 | } | |
5895 | ||
5896 | ||
82641697 GM |
5897 | \f |
5898 | /*********************************************************************** | |
5899 | Computing Faces | |
5900 | ***********************************************************************/ | |
5901 | ||
5902 | /* Return the ID of the face to use to display character CH with face | |
5903 | property PROP on frame F in current_buffer. */ | |
2e16580f RS |
5904 | |
5905 | int | |
971de7fb | 5906 | compute_char_face (struct frame *f, int ch, Lisp_Object prop) |
2e16580f | 5907 | { |
82641697 | 5908 | int face_id; |
39506348 | 5909 | |
4b4deea2 | 5910 | if (NILP (BVAR (current_buffer, enable_multibyte_characters))) |
522d42f7 | 5911 | ch = 0; |
178c5d9c | 5912 | |
82641697 | 5913 | if (NILP (prop)) |
39506348 KH |
5914 | { |
5915 | struct face *face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
779c6fb6 | 5916 | face_id = FACE_FOR_CHAR (f, face, ch, -1, Qnil); |
39506348 | 5917 | } |
82641697 | 5918 | else |
2e16580f | 5919 | { |
82641697 GM |
5920 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
5921 | struct face *default_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
72af86bd | 5922 | memcpy (attrs, default_face->lface, sizeof attrs); |
a0a23346 | 5923 | merge_face_ref (f, prop, attrs, 1, 0); |
af53b43c | 5924 | face_id = lookup_face (f, attrs); |
2e16580f RS |
5925 | } |
5926 | ||
82641697 | 5927 | return face_id; |
2e16580f | 5928 | } |
bc0db68d | 5929 | |
82641697 GM |
5930 | /* Return the face ID associated with buffer position POS for |
5931 | displaying ASCII characters. Return in *ENDPTR the position at | |
5932 | which a different face is needed, as far as text properties and | |
5933 | overlays are concerned. W is a window displaying current_buffer. | |
5934 | ||
5935 | REGION_BEG, REGION_END delimit the region, so it can be | |
5936 | highlighted. | |
6f134486 | 5937 | |
82641697 GM |
5938 | LIMIT is a position not to scan beyond. That is to limit the time |
5939 | this function can take. | |
5940 | ||
5941 | If MOUSE is non-zero, use the character's mouse-face, not its face. | |
5942 | ||
6970f632 CY |
5943 | BASE_FACE_ID, if non-negative, specifies a base face id to use |
5944 | instead of DEFAULT_FACE_ID. | |
5945 | ||
39506348 | 5946 | The face returned is suitable for displaying ASCII characters. */ |
bc0db68d | 5947 | |
cb637678 | 5948 | int |
d311d28c PE |
5949 | face_at_buffer_position (struct window *w, ptrdiff_t pos, |
5950 | ptrdiff_t region_beg, ptrdiff_t region_end, | |
5951 | ptrdiff_t *endptr, ptrdiff_t limit, | |
d5a3eaaf | 5952 | int mouse, int base_face_id) |
7b7739b1 | 5953 | { |
d3d50620 | 5954 | struct frame *f = XFRAME (w->frame); |
82641697 | 5955 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
b6d40e46 | 5956 | Lisp_Object prop, position; |
b081724f | 5957 | ptrdiff_t i, noverlays; |
7b7739b1 | 5958 | Lisp_Object *overlay_vec; |
d311d28c | 5959 | ptrdiff_t endpos; |
82641697 GM |
5960 | Lisp_Object propname = mouse ? Qmouse_face : Qface; |
5961 | Lisp_Object limit1, end; | |
5962 | struct face *default_face; | |
f6b98e0b JB |
5963 | |
5964 | /* W must display the current buffer. We could write this function | |
5965 | to use the frame and buffer of W, but right now it doesn't. */ | |
a54e2c05 | 5966 | /* eassert (XBUFFER (w->buffer) == current_buffer); */ |
f211082d | 5967 | |
82641697 | 5968 | XSETFASTINT (position, pos); |
7b7739b1 | 5969 | |
f6b98e0b | 5970 | endpos = ZV; |
bc0db68d RS |
5971 | if (pos < region_beg && region_beg < endpos) |
5972 | endpos = region_beg; | |
f6b98e0b | 5973 | |
82641697 GM |
5974 | /* Get the `face' or `mouse_face' text property at POS, and |
5975 | determine the next position at which the property changes. */ | |
d3d50620 | 5976 | prop = Fget_text_property (position, propname, w->buffer); |
82641697 | 5977 | XSETFASTINT (limit1, (limit < endpos ? limit : endpos)); |
d3d50620 | 5978 | end = Fnext_single_property_change (position, propname, w->buffer, limit1); |
82641697 GM |
5979 | if (INTEGERP (end)) |
5980 | endpos = XINT (end); | |
6f134486 | 5981 | |
82641697 | 5982 | /* Look at properties from overlays. */ |
b6d40e46 | 5983 | { |
d311d28c | 5984 | ptrdiff_t next_overlay; |
b6d40e46 | 5985 | |
0bc90bba | 5986 | GET_OVERLAYS_AT (pos, overlay_vec, noverlays, &next_overlay, 0); |
f6b98e0b JB |
5987 | if (next_overlay < endpos) |
5988 | endpos = next_overlay; | |
b6d40e46 JB |
5989 | } |
5990 | ||
5991 | *endptr = endpos; | |
7b7739b1 | 5992 | |
823564e5 EZ |
5993 | { |
5994 | int face_id; | |
5995 | ||
5996 | if (base_face_id >= 0) | |
5997 | face_id = base_face_id; | |
5998 | else if (NILP (Vface_remapping_alist)) | |
5999 | face_id = DEFAULT_FACE_ID; | |
6000 | else | |
6001 | face_id = lookup_basic_face (f, DEFAULT_FACE_ID); | |
6002 | ||
6003 | default_face = FACE_FROM_ID (f, face_id); | |
6004 | } | |
178c5d9c | 6005 | |
82641697 GM |
6006 | /* Optimize common cases where we can use the default face. */ |
6007 | if (noverlays == 0 | |
6008 | && NILP (prop) | |
39506348 | 6009 | && !(pos >= region_beg && pos < region_end)) |
f2cec7a9 | 6010 | return default_face->id; |
82641697 GM |
6011 | |
6012 | /* Begin with attributes from the default face. */ | |
72af86bd | 6013 | memcpy (attrs, default_face->lface, sizeof attrs); |
82641697 GM |
6014 | |
6015 | /* Merge in attributes specified via text properties. */ | |
6016 | if (!NILP (prop)) | |
a0a23346 | 6017 | merge_face_ref (f, prop, attrs, 1, 0); |
82641697 GM |
6018 | |
6019 | /* Now merge the overlay data. */ | |
18195655 | 6020 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
18195655 | 6021 | for (i = 0; i < noverlays; i++) |
4699e6d2 | 6022 | { |
18195655 | 6023 | Lisp_Object oend; |
56adbe62 | 6024 | ptrdiff_t oendpos; |
18195655 RS |
6025 | |
6026 | prop = Foverlay_get (overlay_vec[i], propname); | |
82641697 | 6027 | if (!NILP (prop)) |
a0a23346 | 6028 | merge_face_ref (f, prop, attrs, 1, 0); |
18195655 RS |
6029 | |
6030 | oend = OVERLAY_END (overlay_vec[i]); | |
6031 | oendpos = OVERLAY_POSITION (oend); | |
6032 | if (oendpos < endpos) | |
6033 | endpos = oendpos; | |
6034 | } | |
6035 | ||
82641697 | 6036 | /* If in the region, merge in the region face. */ |
18195655 RS |
6037 | if (pos >= region_beg && pos < region_end) |
6038 | { | |
a0a23346 | 6039 | merge_named_face (f, Qregion, attrs, 0); |
178c5d9c | 6040 | |
18195655 RS |
6041 | if (region_end < endpos) |
6042 | endpos = region_end; | |
18195655 RS |
6043 | } |
6044 | ||
6045 | *endptr = endpos; | |
6046 | ||
82641697 | 6047 | /* Look up a realized face with the given face attributes, |
39506348 | 6048 | or realize a new one for ASCII characters. */ |
af53b43c | 6049 | return lookup_face (f, attrs); |
18195655 RS |
6050 | } |
6051 | ||
a193ecf1 RS |
6052 | /* Return the face ID at buffer position POS for displaying ASCII |
6053 | characters associated with overlay strings for overlay OVERLAY. | |
6054 | ||
6055 | Like face_at_buffer_position except for OVERLAY. Currently it | |
6056 | simply disregards the `face' properties of all overlays. */ | |
03e1d617 RS |
6057 | |
6058 | int | |
d311d28c PE |
6059 | face_for_overlay_string (struct window *w, ptrdiff_t pos, |
6060 | ptrdiff_t region_beg, ptrdiff_t region_end, | |
6061 | ptrdiff_t *endptr, ptrdiff_t limit, | |
d5a3eaaf | 6062 | int mouse, Lisp_Object overlay) |
03e1d617 | 6063 | { |
d3d50620 | 6064 | struct frame *f = XFRAME (w->frame); |
03e1d617 RS |
6065 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
6066 | Lisp_Object prop, position; | |
56adbe62 | 6067 | ptrdiff_t endpos; |
03e1d617 RS |
6068 | Lisp_Object propname = mouse ? Qmouse_face : Qface; |
6069 | Lisp_Object limit1, end; | |
6070 | struct face *default_face; | |
6071 | ||
6072 | /* W must display the current buffer. We could write this function | |
6073 | to use the frame and buffer of W, but right now it doesn't. */ | |
a54e2c05 | 6074 | /* eassert (XBUFFER (w->buffer) == current_buffer); */ |
03e1d617 | 6075 | |
03e1d617 RS |
6076 | XSETFASTINT (position, pos); |
6077 | ||
6078 | endpos = ZV; | |
6079 | if (pos < region_beg && region_beg < endpos) | |
6080 | endpos = region_beg; | |
6081 | ||
6082 | /* Get the `face' or `mouse_face' text property at POS, and | |
6083 | determine the next position at which the property changes. */ | |
d3d50620 | 6084 | prop = Fget_text_property (position, propname, w->buffer); |
03e1d617 | 6085 | XSETFASTINT (limit1, (limit < endpos ? limit : endpos)); |
d3d50620 | 6086 | end = Fnext_single_property_change (position, propname, w->buffer, limit1); |
03e1d617 RS |
6087 | if (INTEGERP (end)) |
6088 | endpos = XINT (end); | |
6089 | ||
6090 | *endptr = endpos; | |
6091 | ||
1682701f | 6092 | /* Optimize common case where we can use the default face. */ |
03e1d617 | 6093 | if (NILP (prop) |
1682701f CY |
6094 | && !(pos >= region_beg && pos < region_end) |
6095 | && NILP (Vface_remapping_alist)) | |
03e1d617 RS |
6096 | return DEFAULT_FACE_ID; |
6097 | ||
6098 | /* Begin with attributes from the default face. */ | |
1682701f | 6099 | default_face = FACE_FROM_ID (f, lookup_basic_face (f, DEFAULT_FACE_ID)); |
72af86bd | 6100 | memcpy (attrs, default_face->lface, sizeof attrs); |
03e1d617 RS |
6101 | |
6102 | /* Merge in attributes specified via text properties. */ | |
6103 | if (!NILP (prop)) | |
6104 | merge_face_ref (f, prop, attrs, 1, 0); | |
6105 | ||
6106 | /* If in the region, merge in the region face. */ | |
6107 | if (pos >= region_beg && pos < region_end) | |
6108 | { | |
6109 | merge_named_face (f, Qregion, attrs, 0); | |
6110 | ||
6111 | if (region_end < endpos) | |
6112 | endpos = region_end; | |
6113 | } | |
6114 | ||
6115 | *endptr = endpos; | |
6116 | ||
6117 | /* Look up a realized face with the given face attributes, | |
6118 | or realize a new one for ASCII characters. */ | |
ce9c2e7b | 6119 | return lookup_face (f, attrs); |
03e1d617 RS |
6120 | } |
6121 | ||
60573a90 | 6122 | |
82641697 | 6123 | /* Compute the face at character position POS in Lisp string STRING on |
39506348 | 6124 | window W, for ASCII characters. |
7b7739b1 | 6125 | |
82641697 GM |
6126 | If STRING is an overlay string, it comes from position BUFPOS in |
6127 | current_buffer, otherwise BUFPOS is zero to indicate that STRING is | |
6128 | not an overlay string. W must display the current buffer. | |
6129 | REGION_BEG and REGION_END give the start and end positions of the | |
8714a182 GM |
6130 | region; both are -1 if no region is visible. |
6131 | ||
6132 | BASE_FACE_ID is the id of a face to merge with. For strings coming | |
6133 | from overlays or the `display' property it is the face at BUFPOS. | |
178c5d9c | 6134 | |
48a4ca99 GM |
6135 | If MOUSE_P is non-zero, use the character's mouse-face, not its face. |
6136 | ||
82641697 GM |
6137 | Set *ENDPTR to the next position where to check for faces in |
6138 | STRING; -1 if the face is constant from POS to the end of the | |
6139 | string. | |
18195655 | 6140 | |
82641697 | 6141 | Value is the id of the face to use. The face returned is suitable |
39506348 | 6142 | for displaying ASCII characters. */ |
fffc2367 | 6143 | |
82641697 | 6144 | int |
d5a3eaaf | 6145 | face_at_string_position (struct window *w, Lisp_Object string, |
d311d28c PE |
6146 | ptrdiff_t pos, ptrdiff_t bufpos, |
6147 | ptrdiff_t region_beg, ptrdiff_t region_end, | |
6148 | ptrdiff_t *endptr, enum face_id base_face_id, | |
d5a3eaaf | 6149 | int mouse_p) |
660ed669 | 6150 | { |
82641697 GM |
6151 | Lisp_Object prop, position, end, limit; |
6152 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
6153 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
6154 | struct face *base_face; | |
0063fdb1 | 6155 | bool multibyte_p = STRING_MULTIBYTE (string); |
48a4ca99 | 6156 | Lisp_Object prop_name = mouse_p ? Qmouse_face : Qface; |
82641697 GM |
6157 | |
6158 | /* Get the value of the face property at the current position within | |
6159 | STRING. Value is nil if there is no face property. */ | |
6160 | XSETFASTINT (position, pos); | |
48a4ca99 | 6161 | prop = Fget_text_property (position, prop_name, string); |
82641697 GM |
6162 | |
6163 | /* Get the next position at which to check for faces. Value of end | |
6164 | is nil if face is constant all the way to the end of the string. | |
6165 | Otherwise it is a string position where to check faces next. | |
6166 | Limit is the maximum position up to which to check for property | |
6167 | changes in Fnext_single_property_change. Strings are usually | |
6168 | short, so set the limit to the end of the string. */ | |
d5db4077 | 6169 | XSETFASTINT (limit, SCHARS (string)); |
48a4ca99 | 6170 | end = Fnext_single_property_change (position, prop_name, string, limit); |
82641697 GM |
6171 | if (INTEGERP (end)) |
6172 | *endptr = XFASTINT (end); | |
6173 | else | |
6174 | *endptr = -1; | |
6175 | ||
6176 | base_face = FACE_FROM_ID (f, base_face_id); | |
a54e2c05 | 6177 | eassert (base_face); |
82641697 GM |
6178 | |
6179 | /* Optimize the default case that there is no face property and we | |
6180 | are not in the region. */ | |
6181 | if (NILP (prop) | |
6182 | && (base_face_id != DEFAULT_FACE_ID | |
6183 | /* BUFPOS <= 0 means STRING is not an overlay string, so | |
6184 | that the region doesn't have to be taken into account. */ | |
6185 | || bufpos <= 0 | |
6186 | || bufpos < region_beg | |
6187 | || bufpos >= region_end) | |
6188 | && (multibyte_p | |
6189 | /* We can't realize faces for different charsets differently | |
6190 | if we don't have fonts, so we can stop here if not working | |
6191 | on a window-system frame. */ | |
6192 | || !FRAME_WINDOW_P (f) | |
239f9db9 | 6193 | || FACE_SUITABLE_FOR_ASCII_CHAR_P (base_face, 0))) |
82641697 GM |
6194 | return base_face->id; |
6195 | ||
6196 | /* Begin with attributes from the base face. */ | |
72af86bd | 6197 | memcpy (attrs, base_face->lface, sizeof attrs); |
82641697 GM |
6198 | |
6199 | /* Merge in attributes specified via text properties. */ | |
6200 | if (!NILP (prop)) | |
a0a23346 | 6201 | merge_face_ref (f, prop, attrs, 1, 0); |
82641697 GM |
6202 | |
6203 | /* If in the region, merge in the region face. */ | |
6204 | if (bufpos | |
6205 | && bufpos >= region_beg | |
6206 | && bufpos < region_end) | |
a0a23346 | 6207 | merge_named_face (f, Qregion, attrs, 0); |
660ed669 | 6208 | |
82641697 | 6209 | /* Look up a realized face with the given face attributes, |
39506348 | 6210 | or realize a new one for ASCII characters. */ |
af53b43c | 6211 | return lookup_face (f, attrs); |
660ed669 JB |
6212 | } |
6213 | ||
6214 | ||
fd998c7f KS |
6215 | /* Merge a face into a realized face. |
6216 | ||
6217 | F is frame where faces are (to be) realized. | |
6218 | ||
dc91a0ed KS |
6219 | FACE_NAME is named face to merge. |
6220 | ||
6221 | If FACE_NAME is nil, FACE_ID is face_id of realized face to merge. | |
6222 | ||
6223 | If FACE_NAME is t, FACE_ID is lface_id of face to merge. | |
fd998c7f KS |
6224 | |
6225 | BASE_FACE_ID is realized face to merge into. | |
6226 | ||
dc91a0ed | 6227 | Return new face id. |
fd998c7f KS |
6228 | */ |
6229 | ||
6230 | int | |
d311d28c | 6231 | merge_faces (struct frame *f, Lisp_Object face_name, int face_id, |
9910e595 | 6232 | int base_face_id) |
fd998c7f KS |
6233 | { |
6234 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
6235 | struct face *base_face; | |
6236 | ||
6237 | base_face = FACE_FROM_ID (f, base_face_id); | |
6238 | if (!base_face) | |
6239 | return base_face_id; | |
6240 | ||
dc91a0ed KS |
6241 | if (EQ (face_name, Qt)) |
6242 | { | |
6243 | if (face_id < 0 || face_id >= lface_id_to_name_size) | |
6244 | return base_face_id; | |
6245 | face_name = lface_id_to_name[face_id]; | |
d8453278 CY |
6246 | /* When called during make-frame, lookup_derived_face may fail |
6247 | if the faces are uninitialized. Don't signal an error. */ | |
6248 | face_id = lookup_derived_face (f, face_name, base_face_id, 0); | |
6249 | return (face_id >= 0 ? face_id : base_face_id); | |
dc91a0ed KS |
6250 | } |
6251 | ||
fd998c7f | 6252 | /* Begin with attributes from the base face. */ |
72af86bd | 6253 | memcpy (attrs, base_face->lface, sizeof attrs); |
fd998c7f KS |
6254 | |
6255 | if (!NILP (face_name)) | |
6256 | { | |
6257 | if (!merge_named_face (f, face_name, attrs, 0)) | |
6258 | return base_face_id; | |
6259 | } | |
6260 | else | |
6261 | { | |
6262 | struct face *face; | |
dc91a0ed KS |
6263 | if (face_id < 0) |
6264 | return base_face_id; | |
fd998c7f KS |
6265 | face = FACE_FROM_ID (f, face_id); |
6266 | if (!face) | |
6267 | return base_face_id; | |
6268 | merge_face_vectors (f, face->lface, attrs, 0); | |
6269 | } | |
6270 | ||
6271 | /* Look up a realized face with the given face attributes, | |
6272 | or realize a new one for ASCII characters. */ | |
0e3ae538 | 6273 | return lookup_face (f, attrs); |
fd998c7f KS |
6274 | } |
6275 | ||
c115973b | 6276 | \f |
7ded3383 AR |
6277 | |
6278 | #ifndef HAVE_X_WINDOWS | |
6279 | DEFUN ("x-load-color-file", Fx_load_color_file, | |
6280 | Sx_load_color_file, 1, 1, 0, | |
6281 | doc: /* Create an alist of color entries from an external file. | |
6282 | ||
6283 | The file should define one named RGB color per line like so: | |
6284 | R G B name | |
6285 | where R,G,B are numbers between 0 and 255 and name is an arbitrary string. */) | |
5842a27b | 6286 | (Lisp_Object filename) |
7ded3383 AR |
6287 | { |
6288 | FILE *fp; | |
6289 | Lisp_Object cmap = Qnil; | |
6290 | Lisp_Object abspath; | |
6291 | ||
6292 | CHECK_STRING (filename); | |
6293 | abspath = Fexpand_file_name (filename, Qnil); | |
6294 | ||
6045c4fd | 6295 | fp = fopen (SSDATA (abspath), "rt"); |
7ded3383 AR |
6296 | if (fp) |
6297 | { | |
6298 | char buf[512]; | |
6299 | int red, green, blue; | |
6300 | int num; | |
6301 | ||
4d7e6e51 | 6302 | block_input (); |
7ded3383 AR |
6303 | |
6304 | while (fgets (buf, sizeof (buf), fp) != NULL) { | |
6305 | if (sscanf (buf, "%u %u %u %n", &red, &green, &blue, &num) == 3) | |
6306 | { | |
6307 | char *name = buf + num; | |
6308 | num = strlen (name) - 1; | |
40aa3f13 | 6309 | if (num >= 0 && name[num] == '\n') |
7ded3383 AR |
6310 | name[num] = 0; |
6311 | cmap = Fcons (Fcons (build_string (name), | |
0fda9b75 | 6312 | #ifdef HAVE_NTGUI |
dee8cd43 | 6313 | make_number (RGB (red, green, blue))), |
ebadbfa6 | 6314 | #else |
dee8cd43 | 6315 | make_number ((red << 16) | (green << 8) | blue)), |
ebadbfa6 | 6316 | #endif |
7ded3383 AR |
6317 | cmap); |
6318 | } | |
6319 | } | |
6320 | fclose (fp); | |
6321 | ||
4d7e6e51 | 6322 | unblock_input (); |
7ded3383 AR |
6323 | } |
6324 | ||
6325 | return cmap; | |
6326 | } | |
6327 | #endif | |
6328 | ||
6329 | \f | |
82641697 GM |
6330 | /*********************************************************************** |
6331 | Tests | |
6332 | ***********************************************************************/ | |
c115973b | 6333 | |
e509cfa6 | 6334 | #ifdef GLYPH_DEBUG |
c115973b | 6335 | |
82641697 | 6336 | /* Print the contents of the realized face FACE to stderr. */ |
c115973b | 6337 | |
82641697 | 6338 | static void |
7d7d0045 | 6339 | dump_realized_face (struct face *face) |
82641697 GM |
6340 | { |
6341 | fprintf (stderr, "ID: %d\n", face->id); | |
6342 | #ifdef HAVE_X_WINDOWS | |
2defe37f | 6343 | fprintf (stderr, "gc: %ld\n", (long) face->gc); |
82641697 GM |
6344 | #endif |
6345 | fprintf (stderr, "foreground: 0x%lx (%s)\n", | |
6346 | face->foreground, | |
d5db4077 | 6347 | SDATA (face->lface[LFACE_FOREGROUND_INDEX])); |
82641697 GM |
6348 | fprintf (stderr, "background: 0x%lx (%s)\n", |
6349 | face->background, | |
d5db4077 | 6350 | SDATA (face->lface[LFACE_BACKGROUND_INDEX])); |
2dee4c0b KH |
6351 | if (face->font) |
6352 | fprintf (stderr, "font_name: %s (%s)\n", | |
6353 | SDATA (face->font->props[FONT_NAME_INDEX]), | |
6354 | SDATA (face->lface[LFACE_FAMILY_INDEX])); | |
82641697 GM |
6355 | #ifdef HAVE_X_WINDOWS |
6356 | fprintf (stderr, "font = %p\n", face->font); | |
6357 | #endif | |
82641697 GM |
6358 | fprintf (stderr, "fontset: %d\n", face->fontset); |
6359 | fprintf (stderr, "underline: %d (%s)\n", | |
6360 | face->underline_p, | |
d5db4077 | 6361 | SDATA (Fsymbol_name (face->lface[LFACE_UNDERLINE_INDEX]))); |
82641697 | 6362 | fprintf (stderr, "hash: %d\n", face->hash); |
c115973b JB |
6363 | } |
6364 | ||
6365 | ||
a7ca3326 | 6366 | DEFUN ("dump-face", Fdump_face, Sdump_face, 0, 1, 0, doc: /* */) |
5842a27b | 6367 | (Lisp_Object n) |
c115973b | 6368 | { |
82641697 | 6369 | if (NILP (n)) |
c115973b | 6370 | { |
82641697 | 6371 | int i; |
178c5d9c | 6372 | |
82641697 GM |
6373 | fprintf (stderr, "font selection order: "); |
6374 | for (i = 0; i < DIM (font_sort_order); ++i) | |
6375 | fprintf (stderr, "%d ", font_sort_order[i]); | |
6376 | fprintf (stderr, "\n"); | |
6377 | ||
6378 | fprintf (stderr, "alternative fonts: "); | |
6379 | debug_print (Vface_alternative_font_family_alist); | |
6380 | fprintf (stderr, "\n"); | |
178c5d9c | 6381 | |
c0617987 | 6382 | for (i = 0; i < FRAME_FACE_CACHE (SELECTED_FRAME ())->used; ++i) |
82641697 | 6383 | Fdump_face (make_number (i)); |
c115973b JB |
6384 | } |
6385 | else | |
f5e278c7 | 6386 | { |
82641697 | 6387 | struct face *face; |
b7826503 | 6388 | CHECK_NUMBER (n); |
c0617987 | 6389 | face = FACE_FROM_ID (SELECTED_FRAME (), XINT (n)); |
82641697 GM |
6390 | if (face == NULL) |
6391 | error ("Not a valid face"); | |
6392 | dump_realized_face (face); | |
f5e278c7 | 6393 | } |
178c5d9c | 6394 | |
c115973b JB |
6395 | return Qnil; |
6396 | } | |
b5c53576 | 6397 | |
b5c53576 | 6398 | |
a7ca3326 | 6399 | DEFUN ("show-face-resources", Fshow_face_resources, Sshow_face_resources, |
7ee72033 | 6400 | 0, 0, 0, doc: /* */) |
5842a27b | 6401 | (void) |
b5c53576 | 6402 | { |
82641697 GM |
6403 | fprintf (stderr, "number of colors = %d\n", ncolors_allocated); |
6404 | fprintf (stderr, "number of pixmaps = %d\n", npixmaps_allocated); | |
6405 | fprintf (stderr, "number of GCs = %d\n", ngcs); | |
6406 | return Qnil; | |
b5c53576 RS |
6407 | } |
6408 | ||
e509cfa6 | 6409 | #endif /* GLYPH_DEBUG */ |
82641697 | 6410 | |
b5c53576 | 6411 | |
c115973b | 6412 | \f |
82641697 GM |
6413 | /*********************************************************************** |
6414 | Initialization | |
6415 | ***********************************************************************/ | |
cb637678 | 6416 | |
c115973b | 6417 | void |
971de7fb | 6418 | syms_of_xfaces (void) |
c115973b | 6419 | { |
cd3520a4 JB |
6420 | DEFSYM (Qface, "face"); |
6421 | DEFSYM (Qface_no_inherit, "face-no-inherit"); | |
6422 | DEFSYM (Qbitmap_spec_p, "bitmap-spec-p"); | |
6423 | DEFSYM (Qframe_set_background_mode, "frame-set-background-mode"); | |
178c5d9c | 6424 | |
82641697 | 6425 | /* Lisp face attribute keywords. */ |
cd3520a4 JB |
6426 | DEFSYM (QCfamily, ":family"); |
6427 | DEFSYM (QCheight, ":height"); | |
6428 | DEFSYM (QCweight, ":weight"); | |
6429 | DEFSYM (QCslant, ":slant"); | |
6430 | DEFSYM (QCunderline, ":underline"); | |
6431 | DEFSYM (QCinverse_video, ":inverse-video"); | |
6432 | DEFSYM (QCreverse_video, ":reverse-video"); | |
6433 | DEFSYM (QCforeground, ":foreground"); | |
6434 | DEFSYM (QCbackground, ":background"); | |
6435 | DEFSYM (QCstipple, ":stipple"); | |
6436 | DEFSYM (QCwidth, ":width"); | |
6437 | DEFSYM (QCfont, ":font"); | |
6438 | DEFSYM (QCfontset, ":fontset"); | |
6439 | DEFSYM (QCbold, ":bold"); | |
6440 | DEFSYM (QCitalic, ":italic"); | |
6441 | DEFSYM (QCoverline, ":overline"); | |
6442 | DEFSYM (QCstrike_through, ":strike-through"); | |
6443 | DEFSYM (QCbox, ":box"); | |
6444 | DEFSYM (QCinherit, ":inherit"); | |
82641697 GM |
6445 | |
6446 | /* Symbols used for Lisp face attribute values. */ | |
cd3520a4 JB |
6447 | DEFSYM (QCcolor, ":color"); |
6448 | DEFSYM (QCline_width, ":line-width"); | |
6449 | DEFSYM (QCstyle, ":style"); | |
9b0e3eba AA |
6450 | DEFSYM (Qline, "line"); |
6451 | DEFSYM (Qwave, "wave"); | |
cd3520a4 JB |
6452 | DEFSYM (Qreleased_button, "released-button"); |
6453 | DEFSYM (Qpressed_button, "pressed-button"); | |
6454 | DEFSYM (Qnormal, "normal"); | |
cd3520a4 JB |
6455 | DEFSYM (Qextra_light, "extra-light"); |
6456 | DEFSYM (Qlight, "light"); | |
6457 | DEFSYM (Qsemi_light, "semi-light"); | |
6458 | DEFSYM (Qsemi_bold, "semi-bold"); | |
6459 | DEFSYM (Qbold, "bold"); | |
6460 | DEFSYM (Qextra_bold, "extra-bold"); | |
6461 | DEFSYM (Qultra_bold, "ultra-bold"); | |
6462 | DEFSYM (Qoblique, "oblique"); | |
6463 | DEFSYM (Qitalic, "italic"); | |
cd3520a4 JB |
6464 | DEFSYM (Qbackground_color, "background-color"); |
6465 | DEFSYM (Qforeground_color, "foreground-color"); | |
6466 | DEFSYM (Qunspecified, "unspecified"); | |
a3720aa2 | 6467 | DEFSYM (QCignore_defface, ":ignore-defface"); |
cd3520a4 JB |
6468 | |
6469 | DEFSYM (Qface_alias, "face-alias"); | |
6470 | DEFSYM (Qdefault, "default"); | |
6471 | DEFSYM (Qtool_bar, "tool-bar"); | |
6472 | DEFSYM (Qregion, "region"); | |
6473 | DEFSYM (Qfringe, "fringe"); | |
6474 | DEFSYM (Qheader_line, "header-line"); | |
6475 | DEFSYM (Qscroll_bar, "scroll-bar"); | |
6476 | DEFSYM (Qmenu, "menu"); | |
6477 | DEFSYM (Qcursor, "cursor"); | |
6478 | DEFSYM (Qborder, "border"); | |
6479 | DEFSYM (Qmouse, "mouse"); | |
6480 | DEFSYM (Qmode_line_inactive, "mode-line-inactive"); | |
6481 | DEFSYM (Qvertical_border, "vertical-border"); | |
6482 | DEFSYM (Qtty_color_desc, "tty-color-desc"); | |
6483 | DEFSYM (Qtty_color_standard_values, "tty-color-standard-values"); | |
6484 | DEFSYM (Qtty_color_by_index, "tty-color-by-index"); | |
6485 | DEFSYM (Qtty_color_alist, "tty-color-alist"); | |
6486 | DEFSYM (Qscalable_fonts_allowed, "scalable-fonts-allowed"); | |
82641697 | 6487 | |
dbc968b8 GM |
6488 | Vparam_value_alist = Fcons (Fcons (Qnil, Qnil), Qnil); |
6489 | staticpro (&Vparam_value_alist); | |
434b9cc5 GM |
6490 | Vface_alternative_font_family_alist = Qnil; |
6491 | staticpro (&Vface_alternative_font_family_alist); | |
32fcc231 GM |
6492 | Vface_alternative_font_registry_alist = Qnil; |
6493 | staticpro (&Vface_alternative_font_registry_alist); | |
434b9cc5 | 6494 | |
82641697 GM |
6495 | defsubr (&Sinternal_make_lisp_face); |
6496 | defsubr (&Sinternal_lisp_face_p); | |
6497 | defsubr (&Sinternal_set_lisp_face_attribute); | |
c3cee013 | 6498 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 6499 | defsubr (&Sinternal_set_lisp_face_attribute_from_resource); |
42608ba8 | 6500 | #endif |
ea4fa0af GM |
6501 | defsubr (&Scolor_gray_p); |
6502 | defsubr (&Scolor_supported_p); | |
7ded3383 AR |
6503 | #ifndef HAVE_X_WINDOWS |
6504 | defsubr (&Sx_load_color_file); | |
6505 | #endif | |
cdfaafa9 MB |
6506 | defsubr (&Sface_attribute_relative_p); |
6507 | defsubr (&Smerge_face_attribute); | |
82641697 GM |
6508 | defsubr (&Sinternal_get_lisp_face_attribute); |
6509 | defsubr (&Sinternal_lisp_face_attribute_values); | |
6510 | defsubr (&Sinternal_lisp_face_equal_p); | |
6511 | defsubr (&Sinternal_lisp_face_empty_p); | |
6512 | defsubr (&Sinternal_copy_lisp_face); | |
6513 | defsubr (&Sinternal_merge_in_global_face); | |
6514 | defsubr (&Sface_font); | |
6515 | defsubr (&Sframe_face_alist); | |
9717e36c | 6516 | defsubr (&Sdisplay_supports_face_attributes_p); |
b35df831 | 6517 | defsubr (&Scolor_distance); |
82641697 GM |
6518 | defsubr (&Sinternal_set_font_selection_order); |
6519 | defsubr (&Sinternal_set_alternative_font_family_alist); | |
32fcc231 | 6520 | defsubr (&Sinternal_set_alternative_font_registry_alist); |
f6608d5c | 6521 | defsubr (&Sface_attributes_as_vector); |
e509cfa6 | 6522 | #ifdef GLYPH_DEBUG |
82641697 GM |
6523 | defsubr (&Sdump_face); |
6524 | defsubr (&Sshow_face_resources); | |
6525 | #endif /* GLYPH_DEBUG */ | |
6526 | defsubr (&Sclear_face_cache); | |
a4a76b61 | 6527 | defsubr (&Stty_suppress_bold_inverse_default_colors); |
82641697 | 6528 | |
38426dee | 6529 | #if defined DEBUG_X_COLORS && defined HAVE_X_WINDOWS |
08dc08dc GM |
6530 | defsubr (&Sdump_colors); |
6531 | #endif | |
6532 | ||
29208e82 | 6533 | DEFVAR_LISP ("face-new-frame-defaults", Vface_new_frame_defaults, |
7ee72033 | 6534 | doc: /* List of global face definitions (for internal use only.) */); |
82641697 | 6535 | Vface_new_frame_defaults = Qnil; |
178c5d9c | 6536 | |
29208e82 | 6537 | DEFVAR_LISP ("face-default-stipple", Vface_default_stipple, |
fb7ada5f | 6538 | doc: /* Default stipple pattern used on monochrome displays. |
228299fa GM |
6539 | This stipple pattern is used on monochrome displays |
6540 | instead of shades of gray for a face background color. | |
6541 | See `set-face-stipple' for possible values for this variable. */); | |
2a0213a6 | 6542 | Vface_default_stipple = build_pure_c_string ("gray3"); |
82641697 | 6543 | |
29208e82 | 6544 | DEFVAR_LISP ("tty-defined-color-alist", Vtty_defined_color_alist, |
46710489 GM |
6545 | doc: /* An alist of defined terminal colors and their RGB values. |
6546 | See the docstring of `tty-color-alist' for the details. */); | |
ae4b4ba5 GM |
6547 | Vtty_defined_color_alist = Qnil; |
6548 | ||
29208e82 | 6549 | DEFVAR_LISP ("scalable-fonts-allowed", Vscalable_fonts_allowed, |
7ee72033 | 6550 | doc: /* Allowed scalable fonts. |
228299fa GM |
6551 | A value of nil means don't allow any scalable fonts. |
6552 | A value of t means allow any scalable font. | |
6553 | Otherwise, value must be a list of regular expressions. A font may be | |
6554 | scaled if its name matches a regular expression in the list. | |
6555 | Note that if value is nil, a scalable font might still be used, if no | |
6556 | other font of the appropriate family and registry is available. */); | |
3cf80731 | 6557 | Vscalable_fonts_allowed = Qnil; |
b5c53576 | 6558 | |
29208e82 | 6559 | DEFVAR_LISP ("face-ignored-fonts", Vface_ignored_fonts, |
7ee72033 | 6560 | doc: /* List of ignored fonts. |
228299fa GM |
6561 | Each element is a regular expression that matches names of fonts to |
6562 | ignore. */); | |
c824bfbc KH |
6563 | Vface_ignored_fonts = Qnil; |
6564 | ||
29208e82 | 6565 | DEFVAR_LISP ("face-remapping-alist", Vface_remapping_alist, |
f2cec7a9 MB |
6566 | doc: /* Alist of face remappings. |
6567 | Each element is of the form: | |
6568 | ||
fb5b8aca | 6569 | (FACE . REPLACEMENT), |
f2cec7a9 | 6570 | |
fb5b8aca CY |
6571 | which causes display of the face FACE to use REPLACEMENT instead. |
6572 | REPLACEMENT is a face specification, i.e. one of the following: | |
f2cec7a9 | 6573 | |
fb5b8aca CY |
6574 | (1) a face name |
6575 | (2) a property list of attribute/value pairs, or | |
6576 | (3) a list in which each element has the form of (1) or (2). | |
f2cec7a9 | 6577 | |
fb5b8aca CY |
6578 | List values for REPLACEMENT are merged to form the final face |
6579 | specification, with earlier entries taking precedence, in the same as | |
6580 | as in the `face' text property. | |
6581 | ||
6582 | Face-name remapping cycles are suppressed; recursive references use | |
6583 | the underlying face instead of the remapped face. So a remapping of | |
6584 | the form: | |
f2cec7a9 MB |
6585 | |
6586 | (FACE EXTRA-FACE... FACE) | |
6587 | ||
6588 | or: | |
6589 | ||
6590 | (FACE (FACE-ATTR VAL ...) FACE) | |
6591 | ||
fb5b8aca CY |
6592 | causes EXTRA-FACE... or (FACE-ATTR VAL ...) to be _merged_ with the |
6593 | existing definition of FACE. Note that this isn't necessary for the | |
6594 | default face, since every face inherits from the default face. | |
f2cec7a9 | 6595 | |
fb5b8aca CY |
6596 | If this variable is made buffer-local, the face remapping takes effect |
6597 | only in that buffer. For instance, the mode my-mode could define a | |
6598 | face `my-mode-default', and then in the mode setup function, do: | |
f2cec7a9 MB |
6599 | |
6600 | (set (make-local-variable 'face-remapping-alist) | |
b5f03016 | 6601 | '((default my-mode-default)))). |
635c0aa1 CY |
6602 | |
6603 | Because Emacs normally only redraws screen areas when the underlying | |
6604 | buffer contents change, you may need to call `redraw-display' after | |
6605 | changing this variable for it to take effect. */); | |
f2cec7a9 MB |
6606 | Vface_remapping_alist = Qnil; |
6607 | ||
29208e82 | 6608 | DEFVAR_LISP ("face-font-rescale-alist", Vface_font_rescale_alist, |
f70400f2 | 6609 | doc: /* Alist of fonts vs the rescaling factors. |
96f9306b KH |
6610 | Each element is a cons (FONT-PATTERN . RESCALE-RATIO), where |
6611 | FONT-PATTERN is a font-spec or a regular expression matching a font name, and | |
f70400f2 KH |
6612 | RESCALE-RATIO is a floating point number to specify how much larger |
6613 | \(or smaller) font we should use. For instance, if a face requests | |
6614 | a font of 10 point, we actually use a font of 10 * RESCALE-RATIO point. */); | |
6615 | Vface_font_rescale_alist = Qnil; | |
6616 | ||
c3cee013 | 6617 | #ifdef HAVE_WINDOW_SYSTEM |
fef04523 | 6618 | defsubr (&Sbitmap_spec_p); |
82641697 GM |
6619 | defsubr (&Sx_list_fonts); |
6620 | defsubr (&Sinternal_face_x_get_resource); | |
92610620 | 6621 | defsubr (&Sx_family_fonts); |
32247e3d | 6622 | #endif |
c115973b | 6623 | } |