Commit | Line | Data |
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82641697 | 1 | /* xfaces.c -- "Face" primitives. |
565c8641 | 2 | Copyright (C) 1993, 1994, 1998, 1999, 2000 Free Software Foundation. |
7b7739b1 | 3 | |
c115973b JB |
4 | This file is part of GNU Emacs. |
5 | ||
6 | GNU Emacs is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
7b7739b1 | 8 | the Free Software Foundation; either version 2, or (at your option) |
c115973b JB |
9 | any later version. |
10 | ||
11 | GNU Emacs is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with GNU Emacs; see the file COPYING. If not, write to | |
3b7ad313 EN |
18 | the Free Software Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ | |
c115973b | 20 | |
82641697 GM |
21 | /* New face implementation by Gerd Moellmann <gerd@gnu.org>. */ |
22 | ||
23 | /* Faces. | |
24 | ||
25 | When using Emacs with X, the display style of characters can be | |
26 | changed by defining `faces'. Each face can specify the following | |
27 | display attributes: | |
28 | ||
39506348 | 29 | 1. Font family name. |
178c5d9c | 30 | |
82641697 GM |
31 | 2. Relative proportionate width, aka character set width or set |
32 | width (swidth), e.g. `semi-compressed'. | |
178c5d9c | 33 | |
39506348 | 34 | 3. Font height in 1/10pt. |
178c5d9c | 35 | |
82641697 | 36 | 4. Font weight, e.g. `bold'. |
178c5d9c | 37 | |
82641697 | 38 | 5. Font slant, e.g. `italic'. |
178c5d9c | 39 | |
82641697 | 40 | 6. Foreground color. |
178c5d9c | 41 | |
82641697 GM |
42 | 7. Background color. |
43 | ||
44 | 8. Whether or not characters should be underlined, and in what color. | |
45 | ||
46 | 9. Whether or not characters should be displayed in inverse video. | |
47 | ||
48 | 10. A background stipple, a bitmap. | |
49 | ||
50 | 11. Whether or not characters should be overlined, and in what color. | |
51 | ||
52 | 12. Whether or not characters should be strike-through, and in what | |
53 | color. | |
54 | ||
55 | 13. Whether or not a box should be drawn around characters, the box | |
56 | type, and, for simple boxes, in what color. | |
57 | ||
39506348 KH |
58 | 14. Font or fontset pattern, or nil. This is a special attribute. |
59 | When this attribyte is specified, the face uses a font opened by | |
60 | that pattern as is. In addition, all the other font-related | |
61 | attributes (1st thru 5th) are generated from the opened font name. | |
62 | On the other hand, if one of the other font-related attributes are | |
63 | specified, this attribute is set to nil. In that case, the face | |
64 | doesn't inherit this attribute from the `default' face, and uses a | |
65 | font determined by the other attributes (those may be inherited | |
66 | from the `default' face). | |
67 | ||
82641697 GM |
68 | Faces are frame-local by nature because Emacs allows to define the |
69 | same named face (face names are symbols) differently for different | |
70 | frames. Each frame has an alist of face definitions for all named | |
71 | faces. The value of a named face in such an alist is a Lisp vector | |
39506348 KH |
72 | with the symbol `face' in slot 0, and a slot for each of the face |
73 | attributes mentioned above. | |
82641697 GM |
74 | |
75 | There is also a global face alist `Vface_new_frame_defaults'. Face | |
76 | definitions from this list are used to initialize faces of newly | |
77 | created frames. | |
178c5d9c | 78 | |
82641697 | 79 | A face doesn't have to specify all attributes. Those not specified |
39506348 KH |
80 | have a value of `unspecified'. Faces specifying all attributes but |
81 | the 14th are called `fully-specified'. | |
82641697 GM |
82 | |
83 | ||
84 | Face merging. | |
85 | ||
86 | The display style of a given character in the text is determined by | |
87 | combining several faces. This process is called `face merging'. | |
88 | Any aspect of the display style that isn't specified by overlays or | |
89 | text properties is taken from the `default' face. Since it is made | |
90 | sure that the default face is always fully-specified, face merging | |
91 | always results in a fully-specified face. | |
92 | ||
93 | ||
94 | Face realization. | |
178c5d9c | 95 | |
82641697 GM |
96 | After all face attributes for a character have been determined by |
97 | merging faces of that character, that face is `realized'. The | |
98 | realization process maps face attributes to what is physically | |
99 | available on the system where Emacs runs. The result is a | |
100 | `realized face' in form of a struct face which is stored in the | |
101 | face cache of the frame on which it was realized. | |
102 | ||
39506348 KH |
103 | Face realization is done in the context of the character to display |
104 | because different fonts may be used for different characters. In | |
105 | other words, for characters that have different font | |
106 | specifications, different realized faces are needed to display | |
82641697 GM |
107 | them. |
108 | ||
39506348 KH |
109 | Font specification is done by fontsets. See the comment in |
110 | fontset.c for the details. In the current implementation, all ASCII | |
111 | characters share the same font in a fontset. | |
112 | ||
113 | Faces are at first realized for ASCII characters, and, at that | |
114 | time, assigned a specific realized fontset. Hereafter, we call | |
115 | such a face as `ASCII face'. When a face for a multibyte character | |
116 | is realized, it inherits (thus shares) a fontset of an ASCII face | |
117 | that has the same attributes other than font-related ones. | |
118 | ||
119 | Thus, all realzied face have a realized fontset. | |
82641697 GM |
120 | |
121 | ||
122 | Unibyte text. | |
123 | ||
39506348 KH |
124 | Unibyte text (i.e. raw 8-bit characters) is displayed with the same |
125 | font as ASCII characters. That is because it is expected that | |
126 | unibyte text users specify a font that is suitable both for ASCII | |
127 | and raw 8-bit characters. | |
128 | ||
82641697 GM |
129 | |
130 | Font selection. | |
131 | ||
132 | Font selection tries to find the best available matching font for a | |
39506348 | 133 | given (character, face) combination. |
82641697 | 134 | |
39506348 KH |
135 | If the face specifies a fontset name, that fontset determines a |
136 | pattern for fonts of the given character. If the face specifies a | |
137 | font name or the other font-related attributes, a fontset is | |
138 | realized from the default fontset. In that case, that | |
139 | specification determines a pattern for ASCII characters and the | |
140 | default fontset determines a pattern for multibyte characters. | |
82641697 GM |
141 | |
142 | Available fonts on the system on which Emacs runs are then matched | |
143 | against the font pattern. The result of font selection is the best | |
144 | match for the given face attributes in this font list. | |
145 | ||
146 | Font selection can be influenced by the user. | |
147 | ||
148 | 1. The user can specify the relative importance he gives the face | |
149 | attributes width, height, weight, and slant by setting | |
150 | face-font-selection-order (faces.el) to a list of face attribute | |
151 | names. The default is '(:width :height :weight :slant), and means | |
152 | that font selection first tries to find a good match for the font | |
153 | width specified by a face, then---within fonts with that | |
154 | width---tries to find a best match for the specified font height, | |
155 | etc. | |
156 | ||
157 | 2. Setting face-alternative-font-family-alist allows the user to | |
158 | specify alternative font families to try if a family specified by a | |
159 | face doesn't exist. | |
160 | ||
161 | ||
178c5d9c | 162 | Character compositition. |
39506348 KH |
163 | |
164 | Usually, the realization process is already finished when Emacs | |
165 | actually reflects the desired glyph matrix on the screen. However, | |
166 | on displaying a composition (sequence of characters to be composed | |
167 | on the screen), a suitable font for the components of the | |
168 | composition is selected and realized while drawing them on the | |
169 | screen, i.e. the realization process is delayed but in principle | |
170 | the same. | |
82641697 | 171 | |
178c5d9c | 172 | |
82641697 GM |
173 | Initialization of basic faces. |
174 | ||
175 | The faces `default', `modeline' are considered `basic faces'. | |
176 | When redisplay happens the first time for a newly created frame, | |
177 | basic faces are realized for CHARSET_ASCII. Frame parameters are | |
178 | used to fill in unspecified attributes of the default face. */ | |
179 | ||
180 | /* Define SCALABLE_FONTS to a non-zero value to enable scalable | |
181 | font use. Define it to zero to disable scalable font use. | |
182 | ||
183 | Use of too many or too large scalable fonts can crash XFree86 | |
184 | servers. That's why I've put the code dealing with scalable fonts | |
185 | in #if's. */ | |
186 | ||
187 | #define SCALABLE_FONTS 1 | |
7b7739b1 | 188 | |
68c45bf0 | 189 | #include <config.h> |
c115973b JB |
190 | #include <sys/types.h> |
191 | #include <sys/stat.h> | |
c115973b | 192 | #include "lisp.h" |
a8517066 | 193 | #include "charset.h" |
b5c53576 RS |
194 | #include "frame.h" |
195 | ||
f7cc6849 DL |
196 | #ifdef HAVE_WINDOW_SYSTEM |
197 | #include "fontset.h" | |
198 | #endif | |
87485d6f | 199 | #ifdef HAVE_X_WINDOWS |
c115973b | 200 | #include "xterm.h" |
c7ae3284 GM |
201 | #ifdef USE_MOTIF |
202 | #include <Xm/Xm.h> | |
203 | #include <Xm/XmStrDefs.h> | |
204 | #endif /* USE_MOTIF */ | |
87485d6f | 205 | #endif |
82641697 | 206 | |
87485d6f MW |
207 | #ifdef MSDOS |
208 | #include "dosfns.h" | |
209 | #endif | |
82641697 | 210 | |
c3cee013 JR |
211 | #ifdef WINDOWSNT |
212 | #include "w32term.h" | |
213 | #include "fontset.h" | |
214 | /* Redefine X specifics to W32 equivalents to avoid cluttering the | |
215 | code with #ifdef blocks. */ | |
216 | #define FRAME_X_DISPLAY_INFO FRAME_W32_DISPLAY_INFO | |
217 | #define x_display_info w32_display_info | |
218 | #define FRAME_X_FONT_TABLE FRAME_W32_FONT_TABLE | |
219 | #define check_x check_w32 | |
220 | #define x_list_fonts w32_list_fonts | |
221 | #define GCGraphicsExposures 0 | |
222 | /* For historic reasons, FONT_WIDTH refers to average width on W32, | |
223 | not maximum as on X. Redefine here. */ | |
224 | #define FONT_WIDTH FONT_MAX_WIDTH | |
225 | #endif | |
226 | ||
c115973b | 227 | #include "buffer.h" |
f211082d | 228 | #include "dispextern.h" |
357f32fc | 229 | #include "blockinput.h" |
b6d40e46 | 230 | #include "window.h" |
bde7c500 | 231 | #include "intervals.h" |
c115973b | 232 | |
87485d6f | 233 | #ifdef HAVE_X_WINDOWS |
82641697 GM |
234 | |
235 | /* Compensate for a bug in Xos.h on some systems, on which it requires | |
657070ac JB |
236 | time.h. On some such systems, Xos.h tries to redefine struct |
237 | timeval and struct timezone if USG is #defined while it is | |
238 | #included. */ | |
657070ac | 239 | |
82641697 | 240 | #ifdef XOS_NEEDS_TIME_H |
e11d186d | 241 | #include <time.h> |
657070ac JB |
242 | #undef USG |
243 | #include <X11/Xos.h> | |
244 | #define USG | |
e11d186d | 245 | #define __TIMEVAL__ |
82641697 GM |
246 | #else /* not XOS_NEEDS_TIME_H */ |
247 | #include <X11/Xos.h> | |
248 | #endif /* not XOS_NEEDS_TIME_H */ | |
e11d186d | 249 | |
82641697 | 250 | #endif /* HAVE_X_WINDOWS */ |
7a4d2269 | 251 | |
82641697 | 252 | #include <stdio.h> |
82641697 GM |
253 | #include <ctype.h> |
254 | #include "keyboard.h" | |
c115973b | 255 | |
82641697 GM |
256 | #ifndef max |
257 | #define max(A, B) ((A) > (B) ? (A) : (B)) | |
258 | #define min(A, B) ((A) < (B) ? (A) : (B)) | |
259 | #define abs(X) ((X) < 0 ? -(X) : (X)) | |
657070ac | 260 | #endif |
cb637678 | 261 | |
82641697 GM |
262 | /* Non-zero if face attribute ATTR is unspecified. */ |
263 | ||
264 | #define UNSPECIFIEDP(ATTR) EQ ((ATTR), Qunspecified) | |
265 | ||
266 | /* Value is the number of elements of VECTOR. */ | |
267 | ||
268 | #define DIM(VECTOR) (sizeof (VECTOR) / sizeof *(VECTOR)) | |
269 | ||
178c5d9c | 270 | /* Make a copy of string S on the stack using alloca. Value is a pointer |
82641697 GM |
271 | to the copy. */ |
272 | ||
273 | #define STRDUPA(S) strcpy ((char *) alloca (strlen ((S)) + 1), (S)) | |
bc0db68d | 274 | |
82641697 GM |
275 | /* Make a copy of the contents of Lisp string S on the stack using |
276 | alloca. Value is a pointer to the copy. */ | |
277 | ||
278 | #define LSTRDUPA(S) STRDUPA (XSTRING ((S))->data) | |
279 | ||
178c5d9c | 280 | /* Size of hash table of realized faces in face caches (should be a |
82641697 GM |
281 | prime number). */ |
282 | ||
283 | #define FACE_CACHE_BUCKETS_SIZE 1001 | |
284 | ||
2d764c78 | 285 | /* A definition of XColor for non-X frames. */ |
ae4b4ba5 | 286 | |
2d764c78 | 287 | #ifndef HAVE_X_WINDOWS |
ae4b4ba5 GM |
288 | |
289 | typedef struct | |
290 | { | |
2d764c78 EZ |
291 | unsigned long pixel; |
292 | unsigned short red, green, blue; | |
293 | char flags; | |
294 | char pad; | |
ae4b4ba5 GM |
295 | } |
296 | XColor; | |
297 | ||
298 | #endif /* not HAVE_X_WINDOWS */ | |
2d764c78 | 299 | |
82641697 GM |
300 | /* Keyword symbols used for face attribute names. */ |
301 | ||
302 | Lisp_Object QCfamily, QCheight, QCweight, QCslant, QCunderline; | |
303 | Lisp_Object QCinverse_video, QCforeground, QCbackground, QCstipple; | |
304 | Lisp_Object QCwidth, QCfont, QCbold, QCitalic; | |
305 | Lisp_Object QCreverse_video; | |
306 | Lisp_Object QCoverline, QCstrike_through, QCbox; | |
307 | ||
308 | /* Symbols used for attribute values. */ | |
309 | ||
310 | Lisp_Object Qnormal, Qbold, Qultra_light, Qextra_light, Qlight; | |
311 | Lisp_Object Qsemi_light, Qsemi_bold, Qextra_bold, Qultra_bold; | |
312 | Lisp_Object Qoblique, Qitalic, Qreverse_oblique, Qreverse_italic; | |
313 | Lisp_Object Qultra_condensed, Qextra_condensed, Qcondensed; | |
314 | Lisp_Object Qsemi_condensed, Qsemi_expanded, Qexpanded, Qextra_expanded; | |
315 | Lisp_Object Qultra_expanded; | |
316 | Lisp_Object Qreleased_button, Qpressed_button; | |
317 | Lisp_Object QCstyle, QCcolor, QCline_width; | |
ef917393 EZ |
318 | Lisp_Object Qunspecified; |
319 | ||
320 | char unspecified_fg[] = "unspecified-fg", unspecified_bg[] = "unspecified-bg"; | |
82641697 | 321 | |
92610620 GM |
322 | /* The name of the function to call when the background of the frame |
323 | has changed, frame_update_face_colors. */ | |
324 | ||
325 | Lisp_Object Qframe_update_face_colors; | |
326 | ||
82641697 GM |
327 | /* Names of basic faces. */ |
328 | ||
fb4927c4 | 329 | Lisp_Object Qdefault, Qtool_bar, Qregion, Qfringe; |
c7ae3284 | 330 | Lisp_Object Qheader_line, Qscroll_bar, Qcursor, Qborder, Qmouse, Qmenu; |
fb4927c4 | 331 | extern Lisp_Object Qmode_line; |
8bd201d6 | 332 | |
92610620 GM |
333 | /* The symbol `face-alias'. A symbols having that property is an |
334 | alias for another face. Value of the property is the name of | |
335 | the aliased face. */ | |
336 | ||
337 | Lisp_Object Qface_alias; | |
338 | ||
8bd201d6 GM |
339 | /* Names of frame parameters related to faces. */ |
340 | ||
341 | extern Lisp_Object Qscroll_bar_foreground, Qscroll_bar_background; | |
342 | extern Lisp_Object Qborder_color, Qcursor_color, Qmouse_color; | |
82641697 GM |
343 | |
344 | /* Default stipple pattern used on monochrome displays. This stipple | |
345 | pattern is used on monochrome displays instead of shades of gray | |
346 | for a face background color. See `set-face-stipple' for possible | |
347 | values for this variable. */ | |
348 | ||
349 | Lisp_Object Vface_default_stipple; | |
350 | ||
82641697 GM |
351 | /* Alist of alternative font families. Each element is of the form |
352 | (FAMILY FAMILY1 FAMILY2 ...). If fonts of FAMILY can't be loaded, | |
353 | try FAMILY1, then FAMILY2, ... */ | |
354 | ||
355 | Lisp_Object Vface_alternative_font_family_alist; | |
356 | ||
357 | /* Allowed scalable fonts. A value of nil means don't allow any | |
358 | scalable fonts. A value of t means allow the use of any scalable | |
359 | font. Otherwise, value must be a list of regular expressions. A | |
360 | font may be scaled if its name matches a regular expression in the | |
361 | list. */ | |
362 | ||
363 | #if SCALABLE_FONTS | |
364 | Lisp_Object Vscalable_fonts_allowed; | |
365 | #endif | |
366 | ||
057df17c GM |
367 | /* Maximum number of fonts to consider in font_list. If not an |
368 | integer > 0, DEFAULT_FONT_LIST_LIMIT is used instead. */ | |
369 | ||
370 | Lisp_Object Vfont_list_limit; | |
371 | #define DEFAULT_FONT_LIST_LIMIT 100 | |
372 | ||
82641697 GM |
373 | /* The symbols `foreground-color' and `background-color' which can be |
374 | used as part of a `face' property. This is for compatibility with | |
375 | Emacs 20.2. */ | |
376 | ||
377 | Lisp_Object Qforeground_color, Qbackground_color; | |
378 | ||
379 | /* The symbols `face' and `mouse-face' used as text properties. */ | |
7b7739b1 | 380 | |
ff83dbb1 | 381 | Lisp_Object Qface; |
82641697 GM |
382 | extern Lisp_Object Qmouse_face; |
383 | ||
384 | /* Error symbol for wrong_type_argument in load_pixmap. */ | |
385 | ||
fef04523 | 386 | Lisp_Object Qbitmap_spec_p; |
f211082d | 387 | |
82641697 GM |
388 | /* Alist of global face definitions. Each element is of the form |
389 | (FACE . LFACE) where FACE is a symbol naming a face and LFACE | |
390 | is a Lisp vector of face attributes. These faces are used | |
391 | to initialize faces for new frames. */ | |
cb637678 | 392 | |
82641697 | 393 | Lisp_Object Vface_new_frame_defaults; |
18195655 | 394 | |
82641697 | 395 | /* The next ID to assign to Lisp faces. */ |
cb637678 | 396 | |
82641697 | 397 | static int next_lface_id; |
c115973b | 398 | |
82641697 | 399 | /* A vector mapping Lisp face Id's to face names. */ |
c115973b | 400 | |
82641697 GM |
401 | static Lisp_Object *lface_id_to_name; |
402 | static int lface_id_to_name_size; | |
c115973b | 403 | |
ae4b4ba5 GM |
404 | /* TTY color-related functions (defined in tty-colors.el). */ |
405 | ||
2d764c78 | 406 | Lisp_Object Qtty_color_desc, Qtty_color_by_index; |
82641697 | 407 | |
ae4b4ba5 GM |
408 | /* The name of the function used to compute colors on TTYs. */ |
409 | ||
410 | Lisp_Object Qtty_color_alist; | |
411 | ||
412 | /* An alist of defined terminal colors and their RGB values. */ | |
413 | ||
414 | Lisp_Object Vtty_defined_color_alist; | |
415 | ||
82641697 GM |
416 | /* Counter for calls to clear_face_cache. If this counter reaches |
417 | CLEAR_FONT_TABLE_COUNT, and a frame has more than | |
418 | CLEAR_FONT_TABLE_NFONTS load, unused fonts are freed. */ | |
419 | ||
420 | static int clear_font_table_count; | |
421 | #define CLEAR_FONT_TABLE_COUNT 100 | |
422 | #define CLEAR_FONT_TABLE_NFONTS 10 | |
423 | ||
424 | /* Non-zero means face attributes have been changed since the last | |
425 | redisplay. Used in redisplay_internal. */ | |
426 | ||
427 | int face_change_count; | |
428 | ||
a4a76b61 GM |
429 | /* Non-zero means don't display bold text if a face's foreground |
430 | and background colors are the inverse of the default colors of the | |
431 | display. This is a kluge to suppress `bold black' foreground text | |
432 | which is hard to read on an LCD monitor. */ | |
433 | ||
434 | int tty_suppress_bold_inverse_default_colors_p; | |
435 | ||
82641697 GM |
436 | /* The total number of colors currently allocated. */ |
437 | ||
438 | #if GLYPH_DEBUG | |
439 | static int ncolors_allocated; | |
440 | static int npixmaps_allocated; | |
441 | static int ngcs; | |
442 | #endif | |
443 | ||
444 | ||
445 | \f | |
446 | /* Function prototypes. */ | |
447 | ||
448 | struct font_name; | |
449 | struct table_entry; | |
450 | ||
ae4b4ba5 GM |
451 | static void map_tty_color P_ ((struct frame *, struct face *, |
452 | enum lface_attribute_index, int *)); | |
c7ae3284 | 453 | static Lisp_Object resolve_face_name P_ ((Lisp_Object)); |
82641697 GM |
454 | static int may_use_scalable_font_p P_ ((struct font_name *, char *)); |
455 | static void set_font_frame_param P_ ((Lisp_Object, Lisp_Object)); | |
456 | static int better_font_p P_ ((int *, struct font_name *, struct font_name *, | |
457 | int)); | |
458 | static int first_font_matching P_ ((struct frame *f, char *, | |
459 | struct font_name *)); | |
460 | static int x_face_list_fonts P_ ((struct frame *, char *, | |
461 | struct font_name *, int, int, int)); | |
462 | static int font_scalable_p P_ ((struct font_name *)); | |
82641697 GM |
463 | static int get_lface_attributes P_ ((struct frame *, Lisp_Object, Lisp_Object *, int)); |
464 | static int load_pixmap P_ ((struct frame *, Lisp_Object, unsigned *, unsigned *)); | |
82641697 GM |
465 | static unsigned char *xstrlwr P_ ((unsigned char *)); |
466 | static void signal_error P_ ((char *, Lisp_Object)); | |
82641697 | 467 | static struct frame *frame_or_selected_frame P_ ((Lisp_Object, int)); |
39506348 | 468 | static void load_face_font P_ ((struct frame *, struct face *, int)); |
82641697 GM |
469 | static void load_face_colors P_ ((struct frame *, struct face *, Lisp_Object *)); |
470 | static void free_face_colors P_ ((struct frame *, struct face *)); | |
471 | static int face_color_gray_p P_ ((struct frame *, char *)); | |
472 | static char *build_font_name P_ ((struct font_name *)); | |
473 | static void free_font_names P_ ((struct font_name *, int)); | |
474 | static int sorted_font_list P_ ((struct frame *, char *, | |
475 | int (*cmpfn) P_ ((const void *, const void *)), | |
476 | struct font_name **)); | |
39506348 KH |
477 | static int font_list P_ ((struct frame *, Lisp_Object, Lisp_Object, |
478 | Lisp_Object, struct font_name **)); | |
479 | static int try_font_list P_ ((struct frame *, Lisp_Object *, Lisp_Object, | |
480 | Lisp_Object, Lisp_Object, struct font_name **)); | |
82641697 | 481 | static int cmp_font_names P_ ((const void *, const void *)); |
39506348 KH |
482 | static struct face *realize_face P_ ((struct face_cache *, Lisp_Object *, int, |
483 | struct face *, int)); | |
82641697 | 484 | static struct face *realize_x_face P_ ((struct face_cache *, |
39506348 | 485 | Lisp_Object *, int, struct face *)); |
82641697 GM |
486 | static struct face *realize_tty_face P_ ((struct face_cache *, |
487 | Lisp_Object *, int)); | |
488 | static int realize_basic_faces P_ ((struct frame *)); | |
489 | static int realize_default_face P_ ((struct frame *)); | |
490 | static void realize_named_face P_ ((struct frame *, Lisp_Object, int)); | |
491 | static int lface_fully_specified_p P_ ((Lisp_Object *)); | |
492 | static int lface_equal_p P_ ((Lisp_Object *, Lisp_Object *)); | |
493 | static unsigned hash_string_case_insensitive P_ ((Lisp_Object)); | |
494 | static unsigned lface_hash P_ ((Lisp_Object *)); | |
495 | static int lface_same_font_attributes_p P_ ((Lisp_Object *, Lisp_Object *)); | |
496 | static struct face_cache *make_face_cache P_ ((struct frame *)); | |
497 | static void free_realized_face P_ ((struct frame *, struct face *)); | |
498 | static void clear_face_gcs P_ ((struct face_cache *)); | |
499 | static void free_face_cache P_ ((struct face_cache *)); | |
500 | static int face_numeric_weight P_ ((Lisp_Object)); | |
501 | static int face_numeric_slant P_ ((Lisp_Object)); | |
502 | static int face_numeric_swidth P_ ((Lisp_Object)); | |
39506348 KH |
503 | static int face_fontset P_ ((Lisp_Object *)); |
504 | static char *choose_face_font P_ ((struct frame *, Lisp_Object *, int, int)); | |
82641697 GM |
505 | static void merge_face_vectors P_ ((Lisp_Object *from, Lisp_Object *)); |
506 | static void merge_face_vector_with_property P_ ((struct frame *, Lisp_Object *, | |
507 | Lisp_Object)); | |
39506348 KH |
508 | static int set_lface_from_font_name P_ ((struct frame *, Lisp_Object, |
509 | Lisp_Object, int, int)); | |
82641697 | 510 | static Lisp_Object lface_from_face_name P_ ((struct frame *, Lisp_Object, int)); |
39506348 | 511 | static struct face *make_realized_face P_ ((Lisp_Object *)); |
82641697 GM |
512 | static void free_realized_faces P_ ((struct face_cache *)); |
513 | static char *best_matching_font P_ ((struct frame *, Lisp_Object *, | |
514 | struct font_name *, int)); | |
515 | static void cache_face P_ ((struct face_cache *, struct face *, unsigned)); | |
516 | static void uncache_face P_ ((struct face_cache *, struct face *)); | |
517 | static int xlfd_numeric_slant P_ ((struct font_name *)); | |
518 | static int xlfd_numeric_weight P_ ((struct font_name *)); | |
519 | static int xlfd_numeric_swidth P_ ((struct font_name *)); | |
520 | static Lisp_Object xlfd_symbolic_slant P_ ((struct font_name *)); | |
521 | static Lisp_Object xlfd_symbolic_weight P_ ((struct font_name *)); | |
522 | static Lisp_Object xlfd_symbolic_swidth P_ ((struct font_name *)); | |
523 | static int xlfd_fixed_p P_ ((struct font_name *)); | |
524 | static int xlfd_numeric_value P_ ((struct table_entry *, int, struct font_name *, | |
525 | int, int)); | |
526 | static Lisp_Object xlfd_symbolic_value P_ ((struct table_entry *, int, | |
6fc556fd KR |
527 | struct font_name *, int, |
528 | Lisp_Object)); | |
82641697 GM |
529 | static struct table_entry *xlfd_lookup_field_contents P_ ((struct table_entry *, int, |
530 | struct font_name *, int)); | |
531 | ||
c3cee013 | 532 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 GM |
533 | |
534 | static int split_font_name P_ ((struct frame *, struct font_name *, int)); | |
535 | static int xlfd_point_size P_ ((struct frame *, struct font_name *)); | |
536 | static void sort_fonts P_ ((struct frame *, struct font_name *, int, | |
537 | int (*cmpfn) P_ ((const void *, const void *)))); | |
538 | static GC x_create_gc P_ ((struct frame *, unsigned long, XGCValues *)); | |
539 | static void x_free_gc P_ ((struct frame *, GC)); | |
540 | static void clear_font_table P_ ((struct frame *)); | |
541 | ||
c3cee013 JR |
542 | #ifdef WINDOWSNT |
543 | extern Lisp_Object w32_list_fonts P_ ((struct frame *, Lisp_Object, int, int)); | |
544 | #endif /* WINDOWSNT */ | |
545 | ||
546 | #endif /* HAVE_WINDOW_SYSTEM */ | |
c115973b | 547 | |
cb637678 | 548 | \f |
82641697 GM |
549 | /*********************************************************************** |
550 | Utilities | |
551 | ***********************************************************************/ | |
c115973b | 552 | |
87485d6f | 553 | #ifdef HAVE_X_WINDOWS |
cb637678 | 554 | |
a435fc2a GM |
555 | #ifdef DEBUG_X_COLORS |
556 | ||
557 | /* The following is a poor mans infrastructure for debugging X color | |
558 | allocation problems on displays with PseudoColor-8. Some X servers | |
559 | like 3.3.5 XF86_SVGA with Matrox cards apparently don't implement | |
560 | color reference counts completely so that they don't signal an | |
561 | error when a color is freed whose reference count is already 0. | |
562 | Other X servers do. To help me debug this, the following code | |
563 | implements a simple reference counting schema of its own, for a | |
564 | single display/screen. --gerd. */ | |
565 | ||
566 | /* Reference counts for pixel colors. */ | |
567 | ||
568 | int color_count[256]; | |
569 | ||
570 | /* Register color PIXEL as allocated. */ | |
571 | ||
572 | void | |
573 | register_color (pixel) | |
574 | unsigned long pixel; | |
575 | { | |
576 | xassert (pixel < 256); | |
577 | ++color_count[pixel]; | |
578 | } | |
579 | ||
580 | ||
581 | /* Register color PIXEL as deallocated. */ | |
582 | ||
583 | void | |
584 | unregister_color (pixel) | |
585 | unsigned long pixel; | |
586 | { | |
587 | xassert (pixel < 256); | |
588 | if (color_count[pixel] > 0) | |
589 | --color_count[pixel]; | |
590 | else | |
591 | abort (); | |
592 | } | |
593 | ||
594 | ||
595 | /* Register N colors from PIXELS as deallocated. */ | |
596 | ||
597 | void | |
598 | unregister_colors (pixels, n) | |
599 | unsigned long *pixels; | |
600 | int n; | |
601 | { | |
602 | int i; | |
603 | for (i = 0; i < n; ++i) | |
604 | unregister_color (pixels[i]); | |
605 | } | |
606 | ||
08dc08dc GM |
607 | |
608 | DEFUN ("dump-colors", Fdump_colors, Sdump_colors, 0, 0, 0, | |
609 | "Dump currently allocated colors and their reference counts to stderr.") | |
610 | () | |
611 | { | |
612 | int i, n; | |
613 | ||
614 | fputc ('\n', stderr); | |
178c5d9c | 615 | |
08dc08dc GM |
616 | for (i = n = 0; i < sizeof color_count / sizeof color_count[0]; ++i) |
617 | if (color_count[i]) | |
618 | { | |
619 | fprintf (stderr, "%3d: %5d", i, color_count[i]); | |
620 | ++n; | |
621 | if (n % 5 == 0) | |
622 | fputc ('\n', stderr); | |
623 | else | |
624 | fputc ('\t', stderr); | |
625 | } | |
626 | ||
627 | if (n % 5 != 0) | |
628 | fputc ('\n', stderr); | |
629 | return Qnil; | |
630 | } | |
631 | ||
632 | ||
a435fc2a GM |
633 | #endif /* DEBUG_X_COLORS */ |
634 | ||
1f847cf8 GM |
635 | /* Free colors used on frame F. PIXELS is an array of NPIXELS pixel |
636 | color values. Interrupt input must be blocked when this function | |
637 | is called. */ | |
638 | ||
639 | void | |
640 | x_free_colors (f, pixels, npixels) | |
641 | struct frame *f; | |
642 | unsigned long *pixels; | |
643 | int npixels; | |
644 | { | |
645 | int class = FRAME_X_DISPLAY_INFO (f)->visual->class; | |
646 | ||
647 | /* If display has an immutable color map, freeing colors is not | |
648 | necessary and some servers don't allow it. So don't do it. */ | |
649 | if (class != StaticColor && class != StaticGray && class != TrueColor) | |
650 | { | |
08dc08dc GM |
651 | XFreeColors (FRAME_X_DISPLAY (f), FRAME_X_COLORMAP (f), |
652 | pixels, npixels, 0); | |
a435fc2a | 653 | #ifdef DEBUG_X_COLORS |
08dc08dc | 654 | unregister_colors (pixels, npixels); |
a435fc2a | 655 | #endif |
08dc08dc GM |
656 | } |
657 | } | |
658 | ||
659 | ||
660 | /* Free colors used on frame F. PIXELS is an array of NPIXELS pixel | |
661 | color values. Interrupt input must be blocked when this function | |
662 | is called. */ | |
663 | ||
664 | void | |
665 | x_free_dpy_colors (dpy, screen, cmap, pixels, npixels) | |
666 | Display *dpy; | |
667 | Screen *screen; | |
668 | Colormap cmap; | |
669 | unsigned long *pixels; | |
670 | int npixels; | |
671 | { | |
672 | struct x_display_info *dpyinfo = x_display_info_for_display (dpy); | |
673 | int class = dpyinfo->visual->class; | |
674 | ||
675 | /* If display has an immutable color map, freeing colors is not | |
676 | necessary and some servers don't allow it. So don't do it. */ | |
677 | if (class != StaticColor && class != StaticGray && class != TrueColor) | |
678 | { | |
679 | XFreeColors (dpy, cmap, pixels, npixels, 0); | |
a435fc2a | 680 | #ifdef DEBUG_X_COLORS |
08dc08dc | 681 | unregister_colors (pixels, npixels); |
a435fc2a | 682 | #endif |
1f847cf8 GM |
683 | } |
684 | } | |
685 | ||
08dc08dc | 686 | |
82641697 GM |
687 | /* Create and return a GC for use on frame F. GC values and mask |
688 | are given by XGCV and MASK. */ | |
689 | ||
690 | static INLINE GC | |
691 | x_create_gc (f, mask, xgcv) | |
cb637678 | 692 | struct frame *f; |
82641697 GM |
693 | unsigned long mask; |
694 | XGCValues *xgcv; | |
c115973b JB |
695 | { |
696 | GC gc; | |
82641697 GM |
697 | BLOCK_INPUT; |
698 | gc = XCreateGC (FRAME_X_DISPLAY (f), FRAME_X_WINDOW (f), mask, xgcv); | |
699 | UNBLOCK_INPUT; | |
700 | IF_DEBUG (++ngcs); | |
701 | return gc; | |
702 | } | |
c115973b | 703 | |
42120bc7 | 704 | |
82641697 GM |
705 | /* Free GC which was used on frame F. */ |
706 | ||
707 | static INLINE void | |
708 | x_free_gc (f, gc) | |
709 | struct frame *f; | |
710 | GC gc; | |
711 | { | |
660ed669 | 712 | BLOCK_INPUT; |
82641697 GM |
713 | xassert (--ngcs >= 0); |
714 | XFreeGC (FRAME_X_DISPLAY (f), gc); | |
715 | UNBLOCK_INPUT; | |
716 | } | |
660ed669 | 717 | |
82641697 | 718 | #endif /* HAVE_X_WINDOWS */ |
660ed669 | 719 | |
c3cee013 JR |
720 | #ifdef WINDOWSNT |
721 | /* W32 emulation of GCs */ | |
722 | ||
723 | static INLINE GC | |
724 | x_create_gc (f, mask, xgcv) | |
725 | struct frame *f; | |
726 | unsigned long mask; | |
727 | XGCValues *xgcv; | |
728 | { | |
729 | GC gc; | |
730 | BLOCK_INPUT; | |
731 | gc = XCreateGC (NULL, FRAME_W32_WINDOW (f), mask, xgcv); | |
732 | UNBLOCK_INPUT; | |
733 | IF_DEBUG (++ngcs); | |
734 | return gc; | |
735 | } | |
736 | ||
737 | ||
738 | /* Free GC which was used on frame F. */ | |
739 | ||
740 | static INLINE void | |
741 | x_free_gc (f, gc) | |
742 | struct frame *f; | |
743 | GC gc; | |
744 | { | |
745 | BLOCK_INPUT; | |
746 | xassert (--ngcs >= 0); | |
747 | xfree (gc); | |
748 | UNBLOCK_INPUT; | |
749 | } | |
750 | ||
751 | #endif /* WINDOWSNT */ | |
660ed669 | 752 | |
82641697 GM |
753 | /* Like stricmp. Used to compare parts of font names which are in |
754 | ISO8859-1. */ | |
755 | ||
756 | int | |
757 | xstricmp (s1, s2) | |
758 | unsigned char *s1, *s2; | |
759 | { | |
760 | while (*s1 && *s2) | |
95887807 | 761 | { |
82641697 GM |
762 | unsigned char c1 = tolower (*s1); |
763 | unsigned char c2 = tolower (*s2); | |
764 | if (c1 != c2) | |
765 | return c1 < c2 ? -1 : 1; | |
766 | ++s1, ++s2; | |
95887807 | 767 | } |
cd0bb842 | 768 | |
82641697 GM |
769 | if (*s1 == 0) |
770 | return *s2 == 0 ? 0 : -1; | |
771 | return 1; | |
772 | } | |
660ed669 | 773 | |
660ed669 | 774 | |
82641697 | 775 | /* Like strlwr, which might not always be available. */ |
42120bc7 | 776 | |
82641697 GM |
777 | static unsigned char * |
778 | xstrlwr (s) | |
779 | unsigned char *s; | |
780 | { | |
781 | unsigned char *p = s; | |
782 | ||
783 | for (p = s; *p; ++p) | |
784 | *p = tolower (*p); | |
785 | ||
786 | return s; | |
c115973b | 787 | } |
cb637678 | 788 | |
42120bc7 | 789 | |
82641697 GM |
790 | /* Signal `error' with message S, and additional argument ARG. */ |
791 | ||
792 | static void | |
793 | signal_error (s, arg) | |
794 | char *s; | |
795 | Lisp_Object arg; | |
42120bc7 | 796 | { |
82641697 GM |
797 | Fsignal (Qerror, Fcons (build_string (s), Fcons (arg, Qnil))); |
798 | } | |
42120bc7 | 799 | |
82641697 | 800 | |
c0617987 GM |
801 | /* If FRAME is nil, return a pointer to the selected frame. |
802 | Otherwise, check that FRAME is a live frame, and return a pointer | |
803 | to it. NPARAM is the parameter number of FRAME, for | |
804 | CHECK_LIVE_FRAME. This is here because it's a frequent pattern in | |
805 | Lisp function definitions. */ | |
82641697 GM |
806 | |
807 | static INLINE struct frame * | |
808 | frame_or_selected_frame (frame, nparam) | |
809 | Lisp_Object frame; | |
810 | int nparam; | |
811 | { | |
82641697 | 812 | if (NILP (frame)) |
c0617987 | 813 | frame = selected_frame; |
178c5d9c | 814 | |
c0617987 GM |
815 | CHECK_LIVE_FRAME (frame, nparam); |
816 | return XFRAME (frame); | |
42120bc7 | 817 | } |
82641697 | 818 | |
42120bc7 | 819 | \f |
82641697 GM |
820 | /*********************************************************************** |
821 | Frames and faces | |
822 | ***********************************************************************/ | |
cd0bb842 | 823 | |
82641697 | 824 | /* Initialize face cache and basic faces for frame F. */ |
cb637678 | 825 | |
82641697 GM |
826 | void |
827 | init_frame_faces (f) | |
cb637678 | 828 | struct frame *f; |
cb637678 | 829 | { |
82641697 GM |
830 | /* Make a face cache, if F doesn't have one. */ |
831 | if (FRAME_FACE_CACHE (f) == NULL) | |
832 | FRAME_FACE_CACHE (f) = make_face_cache (f); | |
178c5d9c | 833 | |
c3cee013 | 834 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 835 | /* Make the image cache. */ |
c3cee013 | 836 | if (FRAME_WINDOW_P (f)) |
82641697 GM |
837 | { |
838 | if (FRAME_X_IMAGE_CACHE (f) == NULL) | |
839 | FRAME_X_IMAGE_CACHE (f) = make_image_cache (); | |
840 | ++FRAME_X_IMAGE_CACHE (f)->refcount; | |
841 | } | |
c3cee013 | 842 | #endif /* HAVE_WINDOW_SYSTEM */ |
cb637678 | 843 | |
178c5d9c | 844 | /* Realize basic faces. Must have enough information in frame |
82641697 GM |
845 | parameters to realize basic faces at this point. */ |
846 | #ifdef HAVE_X_WINDOWS | |
847 | if (!FRAME_X_P (f) || FRAME_X_WINDOW (f)) | |
c3cee013 JR |
848 | #endif |
849 | #ifdef WINDOWSNT | |
850 | if (!FRAME_WINDOW_P (f) || FRAME_W32_WINDOW (f)) | |
82641697 GM |
851 | #endif |
852 | if (!realize_basic_faces (f)) | |
853 | abort (); | |
854 | } | |
cb637678 | 855 | |
cb637678 | 856 | |
82641697 | 857 | /* Free face cache of frame F. Called from Fdelete_frame. */ |
cb637678 | 858 | |
82641697 GM |
859 | void |
860 | free_frame_faces (f) | |
cb637678 | 861 | struct frame *f; |
cb637678 | 862 | { |
82641697 | 863 | struct face_cache *face_cache = FRAME_FACE_CACHE (f); |
178c5d9c | 864 | |
82641697 GM |
865 | if (face_cache) |
866 | { | |
867 | free_face_cache (face_cache); | |
868 | FRAME_FACE_CACHE (f) = NULL; | |
869 | } | |
660ed669 | 870 | |
c3cee013 JR |
871 | #ifdef HAVE_WINDOW_SYSTEM |
872 | if (FRAME_WINDOW_P (f)) | |
195f798e | 873 | { |
82641697 GM |
874 | struct image_cache *image_cache = FRAME_X_IMAGE_CACHE (f); |
875 | if (image_cache) | |
195f798e | 876 | { |
82641697 GM |
877 | --image_cache->refcount; |
878 | if (image_cache->refcount == 0) | |
879 | free_image_cache (f); | |
195f798e RS |
880 | } |
881 | } | |
c3cee013 | 882 | #endif /* HAVE_WINDOW_SYSTEM */ |
cb637678 JB |
883 | } |
884 | ||
82641697 | 885 | |
8bd201d6 GM |
886 | /* Clear face caches, and recompute basic faces for frame F. Call |
887 | this after changing frame parameters on which those faces depend, | |
888 | or when realized faces have been freed due to changing attributes | |
889 | of named faces. */ | |
82641697 GM |
890 | |
891 | void | |
892 | recompute_basic_faces (f) | |
cb637678 | 893 | struct frame *f; |
cb637678 | 894 | { |
82641697 GM |
895 | if (FRAME_FACE_CACHE (f)) |
896 | { | |
8bd201d6 | 897 | clear_face_cache (0); |
18df9369 GM |
898 | if (!realize_basic_faces (f)) |
899 | abort (); | |
82641697 GM |
900 | } |
901 | } | |
cb637678 | 902 | |
cb637678 | 903 | |
82641697 GM |
904 | /* Clear the face caches of all frames. CLEAR_FONTS_P non-zero means |
905 | try to free unused fonts, too. */ | |
cb637678 | 906 | |
adfea139 | 907 | void |
82641697 GM |
908 | clear_face_cache (clear_fonts_p) |
909 | int clear_fonts_p; | |
cb637678 | 910 | { |
c3cee013 | 911 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 GM |
912 | Lisp_Object tail, frame; |
913 | struct frame *f; | |
828e66d1 | 914 | |
82641697 GM |
915 | if (clear_fonts_p |
916 | || ++clear_font_table_count == CLEAR_FONT_TABLE_COUNT) | |
828e66d1 | 917 | { |
82641697 GM |
918 | /* From time to time see if we can unload some fonts. This also |
919 | frees all realized faces on all frames. Fonts needed by | |
920 | faces will be loaded again when faces are realized again. */ | |
921 | clear_font_table_count = 0; | |
195f798e | 922 | |
82641697 | 923 | FOR_EACH_FRAME (tail, frame) |
195f798e | 924 | { |
82641697 | 925 | f = XFRAME (frame); |
c3cee013 | 926 | if (FRAME_WINDOW_P (f) |
82641697 | 927 | && FRAME_X_DISPLAY_INFO (f)->n_fonts > CLEAR_FONT_TABLE_NFONTS) |
195f798e | 928 | { |
82641697 GM |
929 | free_all_realized_faces (frame); |
930 | clear_font_table (f); | |
931 | } | |
932 | } | |
933 | } | |
934 | else | |
935 | { | |
936 | /* Clear GCs of realized faces. */ | |
937 | FOR_EACH_FRAME (tail, frame) | |
938 | { | |
939 | f = XFRAME (frame); | |
c3cee013 | 940 | if (FRAME_WINDOW_P (f)) |
82641697 GM |
941 | { |
942 | clear_face_gcs (FRAME_FACE_CACHE (f)); | |
943 | clear_image_cache (f, 0); | |
195f798e RS |
944 | } |
945 | } | |
828e66d1 | 946 | } |
c3cee013 | 947 | #endif /* HAVE_WINDOW_SYSTEM */ |
cd0bb842 RS |
948 | } |
949 | ||
82641697 GM |
950 | |
951 | DEFUN ("clear-face-cache", Fclear_face_cache, Sclear_face_cache, 0, 1, 0, | |
952 | "Clear face caches on all frames.\n\ | |
953 | Optional THOROUGHLY non-nil means try to free unused fonts, too.") | |
954 | (thorougly) | |
955 | Lisp_Object thorougly; | |
cd0bb842 | 956 | { |
82641697 | 957 | clear_face_cache (!NILP (thorougly)); |
ae4b4ba5 GM |
958 | ++face_change_count; |
959 | ++windows_or_buffers_changed; | |
82641697 GM |
960 | return Qnil; |
961 | } | |
962 | ||
963 | ||
964 | ||
c3cee013 | 965 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 GM |
966 | |
967 | ||
39506348 KH |
968 | /* Remove those fonts from the font table of frame F exept for the |
969 | default ASCII font for the frame. Called from clear_face_cache | |
970 | from time to time. */ | |
82641697 GM |
971 | |
972 | static void | |
973 | clear_font_table (f) | |
974 | struct frame *f; | |
975 | { | |
976 | struct x_display_info *dpyinfo = FRAME_X_DISPLAY_INFO (f); | |
82641697 GM |
977 | int i; |
978 | ||
c3cee013 | 979 | xassert (FRAME_WINDOW_P (f)); |
82641697 | 980 | |
39506348 KH |
981 | /* Free those fonts that are not used by the frame F as the default. */ |
982 | for (i = 0; i < dpyinfo->n_fonts; ++i) | |
983 | { | |
984 | struct font_info *font_info = dpyinfo->font_table + i; | |
82641697 | 985 | |
39506348 KH |
986 | if (!font_info->name |
987 | || font_info->font == FRAME_FONT (f)) | |
988 | continue; | |
82641697 | 989 | |
39506348 KH |
990 | /* Free names. */ |
991 | if (font_info->full_name != font_info->name) | |
992 | xfree (font_info->full_name); | |
993 | xfree (font_info->name); | |
82641697 | 994 | |
39506348 KH |
995 | /* Free the font. */ |
996 | BLOCK_INPUT; | |
c3cee013 | 997 | #ifdef HAVE_X_WINDOWS |
39506348 | 998 | XFreeFont (dpyinfo->display, font_info->font); |
c3cee013 JR |
999 | #endif |
1000 | #ifdef WINDOWSNT | |
39506348 | 1001 | w32_unload_font (dpyinfo, font_info->font); |
c3cee013 | 1002 | #endif |
39506348 | 1003 | UNBLOCK_INPUT; |
82641697 | 1004 | |
39506348 KH |
1005 | /* Mark font table slot free. */ |
1006 | font_info->font = NULL; | |
1007 | font_info->name = font_info->full_name = NULL; | |
1008 | } | |
82641697 GM |
1009 | } |
1010 | ||
c3cee013 | 1011 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
1012 | |
1013 | ||
1014 | \f | |
1015 | /*********************************************************************** | |
1016 | X Pixmaps | |
1017 | ***********************************************************************/ | |
1018 | ||
c3cee013 | 1019 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 1020 | |
fef04523 GM |
1021 | DEFUN ("bitmap-spec-p", Fbitmap_spec_p, Sbitmap_spec_p, 1, 1, 0, |
1022 | "Value is non-nil if OBJECT is a valid bitmap specification.\n\ | |
1023 | A bitmap specification is either a string, a file name, or a list\n\ | |
1024 | (WIDTH HEIGHT DATA) where WIDTH is the pixel width of the bitmap,\n\ | |
c7ae3284 GM |
1025 | HEIGHT is its height, and DATA is a string containing the bits of\n\ |
1026 | the pixmap. Bits are stored row by row, each row occupies\n\ | |
1027 | (WIDTH + 7)/8 bytes.") | |
82641697 GM |
1028 | (object) |
1029 | Lisp_Object object; | |
1030 | { | |
c7ae3284 | 1031 | int pixmap_p = 0; |
178c5d9c | 1032 | |
c7ae3284 GM |
1033 | if (STRINGP (object)) |
1034 | /* If OBJECT is a string, it's a file name. */ | |
1035 | pixmap_p = 1; | |
1036 | else if (CONSP (object)) | |
1037 | { | |
1038 | /* Otherwise OBJECT must be (WIDTH HEIGHT DATA), WIDTH and | |
1039 | HEIGHT must be integers > 0, and DATA must be string large | |
1040 | enough to hold a bitmap of the specified size. */ | |
1041 | Lisp_Object width, height, data; | |
1042 | ||
1043 | height = width = data = Qnil; | |
178c5d9c | 1044 | |
c7ae3284 GM |
1045 | if (CONSP (object)) |
1046 | { | |
1047 | width = XCAR (object); | |
1048 | object = XCDR (object); | |
1049 | if (CONSP (object)) | |
1050 | { | |
1051 | height = XCAR (object); | |
1052 | object = XCDR (object); | |
1053 | if (CONSP (object)) | |
1054 | data = XCAR (object); | |
1055 | } | |
1056 | } | |
cd0bb842 | 1057 | |
c7ae3284 GM |
1058 | if (NATNUMP (width) && NATNUMP (height) && STRINGP (data)) |
1059 | { | |
1060 | int bytes_per_row = ((XFASTINT (width) + BITS_PER_CHAR - 1) | |
1061 | / BITS_PER_CHAR); | |
6fc556fd | 1062 | if (STRING_BYTES (XSTRING (data)) >= bytes_per_row * XINT (height)) |
c7ae3284 GM |
1063 | pixmap_p = 1; |
1064 | } | |
1065 | } | |
1066 | ||
1067 | return pixmap_p ? Qt : Qnil; | |
cd0bb842 RS |
1068 | } |
1069 | ||
cd0bb842 | 1070 | |
82641697 GM |
1071 | /* Load a bitmap according to NAME (which is either a file name or a |
1072 | pixmap spec) for use on frame F. Value is the bitmap_id (see | |
1073 | xfns.c). If NAME is nil, return with a bitmap id of zero. If | |
1074 | bitmap cannot be loaded, display a message saying so, and return | |
1075 | zero. Store the bitmap width in *W_PTR and its height in *H_PTR, | |
1076 | if these pointers are not null. */ | |
cd0bb842 | 1077 | |
82641697 | 1078 | static int |
cd0bb842 | 1079 | load_pixmap (f, name, w_ptr, h_ptr) |
7812a96f | 1080 | FRAME_PTR f; |
cd0bb842 RS |
1081 | Lisp_Object name; |
1082 | unsigned int *w_ptr, *h_ptr; | |
1083 | { | |
1084 | int bitmap_id; | |
1085 | Lisp_Object tem; | |
1086 | ||
1087 | if (NILP (name)) | |
82641697 | 1088 | return 0; |
cd0bb842 | 1089 | |
fef04523 | 1090 | tem = Fbitmap_spec_p (name); |
cd0bb842 | 1091 | if (NILP (tem)) |
fef04523 | 1092 | wrong_type_argument (Qbitmap_spec_p, name); |
cd0bb842 RS |
1093 | |
1094 | BLOCK_INPUT; | |
cd0bb842 RS |
1095 | if (CONSP (name)) |
1096 | { | |
1097 | /* Decode a bitmap spec into a bitmap. */ | |
1098 | ||
1099 | int h, w; | |
1100 | Lisp_Object bits; | |
1101 | ||
1102 | w = XINT (Fcar (name)); | |
1103 | h = XINT (Fcar (Fcdr (name))); | |
1104 | bits = Fcar (Fcdr (Fcdr (name))); | |
1105 | ||
1106 | bitmap_id = x_create_bitmap_from_data (f, XSTRING (bits)->data, | |
1107 | w, h); | |
1108 | } | |
1109 | else | |
1110 | { | |
1111 | /* It must be a string -- a file name. */ | |
1112 | bitmap_id = x_create_bitmap_from_file (f, name); | |
1113 | } | |
1114 | UNBLOCK_INPUT; | |
1115 | ||
7812a96f | 1116 | if (bitmap_id < 0) |
82641697 | 1117 | { |
1b8f7fbc | 1118 | add_to_log ("Invalid or undefined bitmap %s", name, Qnil); |
82641697 | 1119 | bitmap_id = 0; |
cd0bb842 | 1120 | |
82641697 GM |
1121 | if (w_ptr) |
1122 | *w_ptr = 0; | |
1123 | if (h_ptr) | |
1124 | *h_ptr = 0; | |
1125 | } | |
1126 | else | |
1127 | { | |
1128 | #if GLYPH_DEBUG | |
1129 | ++npixmaps_allocated; | |
1130 | #endif | |
1131 | if (w_ptr) | |
1132 | *w_ptr = x_bitmap_width (f, bitmap_id); | |
1133 | ||
1134 | if (h_ptr) | |
1135 | *h_ptr = x_bitmap_height (f, bitmap_id); | |
1136 | } | |
cd0bb842 RS |
1137 | |
1138 | return bitmap_id; | |
cb637678 | 1139 | } |
87485d6f | 1140 | |
c3cee013 | 1141 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 | 1142 | |
87485d6f | 1143 | |
82641697 GM |
1144 | \f |
1145 | /*********************************************************************** | |
1146 | Minimum font bounds | |
1147 | ***********************************************************************/ | |
1148 | ||
c3cee013 | 1149 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 1150 | |
d6fc0a22 GM |
1151 | /* Update the line_height of frame F. Return non-zero if line height |
1152 | changes. */ | |
87485d6f | 1153 | |
82641697 GM |
1154 | int |
1155 | frame_update_line_height (f) | |
87485d6f | 1156 | struct frame *f; |
87485d6f | 1157 | { |
39506348 | 1158 | int line_height, changed_p; |
178c5d9c | 1159 | |
39506348 | 1160 | line_height = FONT_HEIGHT (FRAME_FONT (f)); |
c3cee013 JR |
1161 | changed_p = line_height != FRAME_LINE_HEIGHT (f); |
1162 | FRAME_LINE_HEIGHT (f) = line_height; | |
82641697 | 1163 | return changed_p; |
87485d6f MW |
1164 | } |
1165 | ||
c3cee013 | 1166 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
1167 | |
1168 | \f | |
1169 | /*********************************************************************** | |
1170 | Fonts | |
1171 | ***********************************************************************/ | |
1172 | ||
c3cee013 | 1173 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 1174 | |
39506348 KH |
1175 | /* Load font of face FACE which is used on frame F to display |
1176 | character C. The name of the font to load is determined by lface | |
1177 | and fontset of FACE. */ | |
82641697 GM |
1178 | |
1179 | static void | |
39506348 | 1180 | load_face_font (f, face, c) |
82641697 GM |
1181 | struct frame *f; |
1182 | struct face *face; | |
39506348 | 1183 | int c; |
87485d6f | 1184 | { |
82641697 | 1185 | struct font_info *font_info = NULL; |
39506348 | 1186 | char *font_name; |
178c5d9c | 1187 | |
82641697 | 1188 | face->font_info_id = -1; |
82641697 | 1189 | face->font = NULL; |
39506348 KH |
1190 | |
1191 | font_name = choose_face_font (f, face->lface, face->fontset, c); | |
1192 | if (!font_name) | |
1193 | return; | |
1194 | ||
82641697 | 1195 | BLOCK_INPUT; |
39506348 | 1196 | font_info = FS_LOAD_FACE_FONT (f, c, font_name, face); |
82641697 GM |
1197 | UNBLOCK_INPUT; |
1198 | ||
1199 | if (font_info) | |
1200 | { | |
39506348 | 1201 | face->font_info_id = font_info->font_idx; |
82641697 GM |
1202 | face->font = font_info->font; |
1203 | face->font_name = font_info->full_name; | |
39506348 | 1204 | if (face->gc) |
82641697 | 1205 | { |
39506348 KH |
1206 | x_free_gc (f, face->gc); |
1207 | face->gc = 0; | |
82641697 GM |
1208 | } |
1209 | } | |
39506348 | 1210 | else |
1b8f7fbc | 1211 | add_to_log ("Unable to load font %s", |
7dbdfcf8 | 1212 | build_string (font_name), Qnil); |
39506348 | 1213 | xfree (font_name); |
87485d6f MW |
1214 | } |
1215 | ||
c3cee013 | 1216 | #endif /* HAVE_WINDOW_SYSTEM */ |
87485d6f | 1217 | |
87485d6f | 1218 | |
82641697 GM |
1219 | \f |
1220 | /*********************************************************************** | |
1221 | X Colors | |
1222 | ***********************************************************************/ | |
1223 | ||
2d764c78 | 1224 | /* A version of defined_color for non-X frames. */ |
08dc08dc | 1225 | |
2d764c78 EZ |
1226 | int |
1227 | tty_defined_color (f, color_name, color_def, alloc) | |
1228 | struct frame *f; | |
1229 | char *color_name; | |
1230 | XColor *color_def; | |
1231 | int alloc; | |
1232 | { | |
1233 | Lisp_Object color_desc; | |
ae4b4ba5 GM |
1234 | unsigned long color_idx = FACE_TTY_DEFAULT_COLOR; |
1235 | unsigned long red = 0, green = 0, blue = 0; | |
2d764c78 EZ |
1236 | int status = 1; |
1237 | ||
1238 | if (*color_name && !NILP (Ffboundp (Qtty_color_desc))) | |
1239 | { | |
a61c12d5 EZ |
1240 | Lisp_Object frame; |
1241 | ||
1242 | XSETFRAME (frame, f); | |
2d764c78 | 1243 | status = 0; |
a61c12d5 | 1244 | color_desc = call2 (Qtty_color_desc, build_string (color_name), frame); |
363e4e42 | 1245 | if (CONSP (color_desc) && CONSP (XCDR (color_desc))) |
2d764c78 EZ |
1246 | { |
1247 | color_idx = XINT (XCAR (XCDR (color_desc))); | |
1248 | if (CONSP (XCDR (XCDR (color_desc)))) | |
1249 | { | |
1250 | red = XINT (XCAR (XCDR (XCDR (color_desc)))); | |
1251 | green = XINT (XCAR (XCDR (XCDR (XCDR (color_desc))))); | |
1252 | blue = XINT (XCAR (XCDR (XCDR (XCDR (XCDR (color_desc)))))); | |
1253 | } | |
1254 | status = 1; | |
1255 | } | |
a61c12d5 | 1256 | else if (NILP (Fsymbol_value (intern ("tty-defined-color-alist")))) |
2d764c78 | 1257 | /* We were called early during startup, and the colors are not |
a61c12d5 | 1258 | yet set up in tty-defined-color-alist. Don't return a failure |
2d764c78 EZ |
1259 | indication, since this produces the annoying "Unable to |
1260 | load color" messages in the *Messages* buffer. */ | |
1261 | status = 1; | |
1262 | } | |
f9d2fdc4 EZ |
1263 | if (color_idx == FACE_TTY_DEFAULT_COLOR && *color_name) |
1264 | { | |
1265 | if (strcmp (color_name, "unspecified-fg") == 0) | |
1266 | color_idx = FACE_TTY_DEFAULT_FG_COLOR; | |
1267 | else if (strcmp (color_name, "unspecified-bg") == 0) | |
1268 | color_idx = FACE_TTY_DEFAULT_BG_COLOR; | |
1269 | } | |
1270 | ||
3b451f74 EZ |
1271 | if (color_idx != FACE_TTY_DEFAULT_COLOR) |
1272 | status = 1; | |
1273 | ||
3a28db80 | 1274 | color_def->pixel = color_idx; |
2d764c78 EZ |
1275 | color_def->red = red; |
1276 | color_def->green = green; | |
1277 | color_def->blue = blue; | |
1278 | ||
1279 | return status; | |
1280 | } | |
1281 | ||
08dc08dc GM |
1282 | |
1283 | /* Decide if color named COLOR_NAME is valid for the display | |
1284 | associated with the frame F; if so, return the rgb values in | |
1285 | COLOR_DEF. If ALLOC is nonzero, allocate a new colormap cell. | |
2d764c78 EZ |
1286 | |
1287 | This does the right thing for any type of frame. */ | |
08dc08dc | 1288 | |
2d764c78 EZ |
1289 | int |
1290 | defined_color (f, color_name, color_def, alloc) | |
1291 | struct frame *f; | |
1292 | char *color_name; | |
1293 | XColor *color_def; | |
1294 | int alloc; | |
1295 | { | |
1296 | if (!FRAME_WINDOW_P (f)) | |
1297 | return tty_defined_color (f, color_name, color_def, alloc); | |
82641697 | 1298 | #ifdef HAVE_X_WINDOWS |
2d764c78 EZ |
1299 | else if (FRAME_X_P (f)) |
1300 | return x_defined_color (f, color_name, color_def, alloc); | |
1301 | #endif | |
1302 | #ifdef WINDOWSNT | |
1303 | else if (FRAME_W32_P (f)) | |
2d764c78 EZ |
1304 | return w32_defined_color (f, color_name, color_def, alloc); |
1305 | #endif | |
1306 | #ifdef macintosh | |
1307 | else if (FRAME_MAC_P (f)) | |
1308 | /* FIXME: mac_defined_color doesn't exist! */ | |
1309 | return mac_defined_color (f, color_name, color_def, alloc); | |
1310 | #endif | |
1311 | else | |
1312 | abort (); | |
1313 | } | |
1314 | ||
08dc08dc GM |
1315 | |
1316 | /* Given the index IDX of a tty color on frame F, return its name, a | |
1317 | Lisp string. */ | |
2d764c78 EZ |
1318 | |
1319 | Lisp_Object | |
1320 | tty_color_name (f, idx) | |
1321 | struct frame *f; | |
1322 | int idx; | |
1323 | { | |
2d764c78 EZ |
1324 | if (idx >= 0 && !NILP (Ffboundp (Qtty_color_by_index))) |
1325 | { | |
a61c12d5 EZ |
1326 | Lisp_Object frame; |
1327 | Lisp_Object coldesc; | |
1328 | ||
1329 | XSETFRAME (frame, f); | |
1330 | coldesc = call2 (Qtty_color_by_index, make_number (idx), frame); | |
2d764c78 EZ |
1331 | |
1332 | if (!NILP (coldesc)) | |
1333 | return XCAR (coldesc); | |
1334 | } | |
1335 | #ifdef MSDOS | |
1336 | /* We can have an MSDOG frame under -nw for a short window of | |
1337 | opportunity before internal_terminal_init is called. DTRT. */ | |
1338 | if (FRAME_MSDOS_P (f) && !inhibit_window_system) | |
1339 | return msdos_stdcolor_name (idx); | |
1340 | #endif | |
1341 | ||
ef917393 EZ |
1342 | if (idx == FACE_TTY_DEFAULT_FG_COLOR) |
1343 | return build_string (unspecified_fg); | |
1344 | if (idx == FACE_TTY_DEFAULT_BG_COLOR) | |
1345 | return build_string (unspecified_bg); | |
c3cee013 JR |
1346 | |
1347 | #ifdef WINDOWSNT | |
1348 | return vga_stdcolor_name (idx); | |
1349 | #endif | |
1350 | ||
ef917393 | 1351 | return Qunspecified; |
2d764c78 | 1352 | } |
82641697 | 1353 | |
08dc08dc | 1354 | |
82641697 GM |
1355 | /* Return non-zero if COLOR_NAME is a shade of gray (or white or |
1356 | black) on frame F. The algorithm is taken from 20.2 faces.el. */ | |
1357 | ||
1358 | static int | |
1359 | face_color_gray_p (f, color_name) | |
1360 | struct frame *f; | |
1361 | char *color_name; | |
1362 | { | |
1363 | XColor color; | |
1364 | int gray_p; | |
1365 | ||
1366 | if (defined_color (f, color_name, &color, 0)) | |
1367 | gray_p = ((abs (color.red - color.green) | |
1368 | < max (color.red, color.green) / 20) | |
1369 | && (abs (color.green - color.blue) | |
1370 | < max (color.green, color.blue) / 20) | |
1371 | && (abs (color.blue - color.red) | |
1372 | < max (color.blue, color.red) / 20)); | |
87485d6f | 1373 | else |
82641697 | 1374 | gray_p = 0; |
178c5d9c | 1375 | |
82641697 | 1376 | return gray_p; |
87485d6f | 1377 | } |
87485d6f | 1378 | |
cb637678 | 1379 | |
82641697 GM |
1380 | /* Return non-zero if color COLOR_NAME can be displayed on frame F. |
1381 | BACKGROUND_P non-zero means the color will be used as background | |
1382 | color. */ | |
1383 | ||
1384 | static int | |
1385 | face_color_supported_p (f, color_name, background_p) | |
1386 | struct frame *f; | |
1387 | char *color_name; | |
1388 | int background_p; | |
1389 | { | |
1390 | Lisp_Object frame; | |
2d764c78 | 1391 | XColor not_used; |
82641697 GM |
1392 | |
1393 | XSETFRAME (frame, f); | |
8affcced KH |
1394 | return (FRAME_WINDOW_P (f) |
1395 | ? (!NILP (Fxw_display_color_p (frame)) | |
1396 | || xstricmp (color_name, "black") == 0 | |
1397 | || xstricmp (color_name, "white") == 0 | |
1398 | || (background_p | |
1399 | && face_color_gray_p (f, color_name)) | |
1400 | || (!NILP (Fx_display_grayscale_p (frame)) | |
1401 | && face_color_gray_p (f, color_name))) | |
1402 | : tty_defined_color (f, color_name, ¬_used, 0)); | |
2d764c78 | 1403 | } |
82641697 GM |
1404 | |
1405 | ||
da47150d | 1406 | DEFUN ("color-gray-p", Fcolor_gray_p, Scolor_gray_p, 1, 2, 0, |
82641697 GM |
1407 | "Return non-nil if COLOR is a shade of gray (or white or black).\n\ |
1408 | FRAME specifies the frame and thus the display for interpreting COLOR.\n\ | |
1409 | If FRAME is nil or omitted, use the selected frame.") | |
1410 | (color, frame) | |
1411 | Lisp_Object color, frame; | |
cb637678 | 1412 | { |
2d764c78 EZ |
1413 | struct frame *f; |
1414 | ||
1415 | CHECK_FRAME (frame, 0); | |
82641697 | 1416 | CHECK_STRING (color, 0); |
2d764c78 | 1417 | f = XFRAME (frame); |
82641697 GM |
1418 | return face_color_gray_p (f, XSTRING (color)->data) ? Qt : Qnil; |
1419 | } | |
660ed669 | 1420 | |
fffc2367 | 1421 | |
da47150d EZ |
1422 | DEFUN ("color-supported-p", Fcolor_supported_p, |
1423 | Scolor_supported_p, 2, 3, 0, | |
82641697 GM |
1424 | "Return non-nil if COLOR can be displayed on FRAME.\n\ |
1425 | BACKGROUND-P non-nil means COLOR is used as a background.\n\ | |
1426 | If FRAME is nil or omitted, use the selected frame.\n\ | |
1427 | COLOR must be a valid color name.") | |
da47150d | 1428 | (color, frame, background_p) |
82641697 GM |
1429 | Lisp_Object frame, color, background_p; |
1430 | { | |
2d764c78 EZ |
1431 | struct frame *f; |
1432 | ||
1433 | CHECK_FRAME (frame, 0); | |
82641697 | 1434 | CHECK_STRING (color, 0); |
2d764c78 | 1435 | f = XFRAME (frame); |
82641697 GM |
1436 | if (face_color_supported_p (f, XSTRING (color)->data, !NILP (background_p))) |
1437 | return Qt; | |
1438 | return Qnil; | |
1439 | } | |
7b37f67b | 1440 | |
08dc08dc | 1441 | |
82641697 GM |
1442 | /* Load color with name NAME for use by face FACE on frame F. |
1443 | TARGET_INDEX must be one of LFACE_FOREGROUND_INDEX, | |
1444 | LFACE_BACKGROUND_INDEX, LFACE_UNDERLINE_INDEX, LFACE_OVERLINE_INDEX, | |
1445 | LFACE_STRIKE_THROUGH_INDEX, or LFACE_BOX_INDEX. Value is the | |
1446 | pixel color. If color cannot be loaded, display a message, and | |
1447 | return the foreground, background or underline color of F, but | |
1448 | record that fact in flags of the face so that we don't try to free | |
1449 | these colors. */ | |
1450 | ||
44747bd0 | 1451 | unsigned long |
82641697 GM |
1452 | load_color (f, face, name, target_index) |
1453 | struct frame *f; | |
1454 | struct face *face; | |
1455 | Lisp_Object name; | |
1456 | enum lface_attribute_index target_index; | |
1457 | { | |
1458 | XColor color; | |
178c5d9c | 1459 | |
82641697 GM |
1460 | xassert (STRINGP (name)); |
1461 | xassert (target_index == LFACE_FOREGROUND_INDEX | |
1462 | || target_index == LFACE_BACKGROUND_INDEX | |
1463 | || target_index == LFACE_UNDERLINE_INDEX | |
1464 | || target_index == LFACE_OVERLINE_INDEX | |
1465 | || target_index == LFACE_STRIKE_THROUGH_INDEX | |
1466 | || target_index == LFACE_BOX_INDEX); | |
178c5d9c | 1467 | |
82641697 GM |
1468 | /* if the color map is full, defined_color will return a best match |
1469 | to the values in an existing cell. */ | |
1470 | if (!defined_color (f, XSTRING (name)->data, &color, 1)) | |
1471 | { | |
2d764c78 | 1472 | add_to_log ("Unable to load color \"%s\"", name, Qnil); |
178c5d9c | 1473 | |
82641697 | 1474 | switch (target_index) |
1120eb5e | 1475 | { |
82641697 GM |
1476 | case LFACE_FOREGROUND_INDEX: |
1477 | face->foreground_defaulted_p = 1; | |
1478 | color.pixel = FRAME_FOREGROUND_PIXEL (f); | |
1479 | break; | |
178c5d9c | 1480 | |
82641697 GM |
1481 | case LFACE_BACKGROUND_INDEX: |
1482 | face->background_defaulted_p = 1; | |
1483 | color.pixel = FRAME_BACKGROUND_PIXEL (f); | |
1484 | break; | |
178c5d9c | 1485 | |
82641697 GM |
1486 | case LFACE_UNDERLINE_INDEX: |
1487 | face->underline_defaulted_p = 1; | |
1488 | color.pixel = FRAME_FOREGROUND_PIXEL (f); | |
1489 | break; | |
178c5d9c | 1490 | |
82641697 GM |
1491 | case LFACE_OVERLINE_INDEX: |
1492 | face->overline_color_defaulted_p = 1; | |
1493 | color.pixel = FRAME_FOREGROUND_PIXEL (f); | |
1120eb5e | 1494 | break; |
178c5d9c | 1495 | |
82641697 GM |
1496 | case LFACE_STRIKE_THROUGH_INDEX: |
1497 | face->strike_through_color_defaulted_p = 1; | |
1498 | color.pixel = FRAME_FOREGROUND_PIXEL (f); | |
1499 | break; | |
178c5d9c | 1500 | |
82641697 GM |
1501 | case LFACE_BOX_INDEX: |
1502 | face->box_color_defaulted_p = 1; | |
1503 | color.pixel = FRAME_FOREGROUND_PIXEL (f); | |
1504 | break; | |
1505 | ||
1506 | default: | |
1507 | abort (); | |
1120eb5e | 1508 | } |
82641697 GM |
1509 | } |
1510 | #if GLYPH_DEBUG | |
1511 | else | |
1512 | ++ncolors_allocated; | |
1513 | #endif | |
178c5d9c | 1514 | |
82641697 GM |
1515 | return color.pixel; |
1516 | } | |
1120eb5e | 1517 | |
08dc08dc | 1518 | |
c3cee013 | 1519 | #ifdef HAVE_WINDOW_SYSTEM |
1120eb5e | 1520 | |
82641697 GM |
1521 | /* Load colors for face FACE which is used on frame F. Colors are |
1522 | specified by slots LFACE_BACKGROUND_INDEX and LFACE_FOREGROUND_INDEX | |
1523 | of ATTRS. If the background color specified is not supported on F, | |
1524 | try to emulate gray colors with a stipple from Vface_default_stipple. */ | |
1525 | ||
1526 | static void | |
1527 | load_face_colors (f, face, attrs) | |
1528 | struct frame *f; | |
1529 | struct face *face; | |
1530 | Lisp_Object *attrs; | |
1531 | { | |
1532 | Lisp_Object fg, bg; | |
1533 | ||
1534 | bg = attrs[LFACE_BACKGROUND_INDEX]; | |
1535 | fg = attrs[LFACE_FOREGROUND_INDEX]; | |
1536 | ||
1537 | /* Swap colors if face is inverse-video. */ | |
1538 | if (EQ (attrs[LFACE_INVERSE_INDEX], Qt)) | |
1539 | { | |
1540 | Lisp_Object tmp; | |
1541 | tmp = fg; | |
1542 | fg = bg; | |
1543 | bg = tmp; | |
1544 | } | |
1545 | ||
1546 | /* Check for support for foreground, not for background because | |
1547 | face_color_supported_p is smart enough to know that grays are | |
1548 | "supported" as background because we are supposed to use stipple | |
1549 | for them. */ | |
1550 | if (!face_color_supported_p (f, XSTRING (bg)->data, 0) | |
fef04523 | 1551 | && !NILP (Fbitmap_spec_p (Vface_default_stipple))) |
82641697 GM |
1552 | { |
1553 | x_destroy_bitmap (f, face->stipple); | |
1554 | face->stipple = load_pixmap (f, Vface_default_stipple, | |
1555 | &face->pixmap_w, &face->pixmap_h); | |
1556 | } | |
82641697 | 1557 | |
be8a72f4 | 1558 | face->background = load_color (f, face, bg, LFACE_BACKGROUND_INDEX); |
82641697 | 1559 | face->foreground = load_color (f, face, fg, LFACE_FOREGROUND_INDEX); |
cb637678 JB |
1560 | } |
1561 | ||
660ed669 | 1562 | |
82641697 | 1563 | /* Free color PIXEL on frame F. */ |
cd0bb842 | 1564 | |
cb637678 | 1565 | void |
82641697 | 1566 | unload_color (f, pixel) |
cb637678 | 1567 | struct frame *f; |
82641697 | 1568 | unsigned long pixel; |
cb637678 | 1569 | { |
c3cee013 | 1570 | #ifdef HAVE_X_WINDOWS |
660ed669 | 1571 | BLOCK_INPUT; |
1f847cf8 | 1572 | x_free_colors (f, &pixel, 1); |
82641697 | 1573 | UNBLOCK_INPUT; |
c3cee013 | 1574 | #endif |
82641697 GM |
1575 | } |
1576 | ||
1577 | ||
1578 | /* Free colors allocated for FACE. */ | |
1579 | ||
1580 | static void | |
1581 | free_face_colors (f, face) | |
1582 | struct frame *f; | |
1583 | struct face *face; | |
1584 | { | |
c3cee013 | 1585 | #ifdef HAVE_X_WINDOWS |
08dc08dc | 1586 | BLOCK_INPUT; |
178c5d9c | 1587 | |
08dc08dc GM |
1588 | if (!face->foreground_defaulted_p) |
1589 | { | |
1590 | x_free_colors (f, &face->foreground, 1); | |
1591 | IF_DEBUG (--ncolors_allocated); | |
1592 | } | |
178c5d9c | 1593 | |
08dc08dc GM |
1594 | if (!face->background_defaulted_p) |
1595 | { | |
1596 | x_free_colors (f, &face->background, 1); | |
1597 | IF_DEBUG (--ncolors_allocated); | |
1598 | } | |
82641697 | 1599 | |
08dc08dc GM |
1600 | if (face->underline_p |
1601 | && !face->underline_defaulted_p) | |
1602 | { | |
1603 | x_free_colors (f, &face->underline_color, 1); | |
1604 | IF_DEBUG (--ncolors_allocated); | |
1605 | } | |
82641697 | 1606 | |
08dc08dc GM |
1607 | if (face->overline_p |
1608 | && !face->overline_color_defaulted_p) | |
1609 | { | |
1610 | x_free_colors (f, &face->overline_color, 1); | |
1611 | IF_DEBUG (--ncolors_allocated); | |
1612 | } | |
82641697 | 1613 | |
08dc08dc GM |
1614 | if (face->strike_through_p |
1615 | && !face->strike_through_color_defaulted_p) | |
1616 | { | |
1617 | x_free_colors (f, &face->strike_through_color, 1); | |
1618 | IF_DEBUG (--ncolors_allocated); | |
1619 | } | |
82641697 | 1620 | |
08dc08dc GM |
1621 | if (face->box != FACE_NO_BOX |
1622 | && !face->box_color_defaulted_p) | |
1623 | { | |
1624 | x_free_colors (f, &face->box_color, 1); | |
1625 | IF_DEBUG (--ncolors_allocated); | |
82641697 | 1626 | } |
08dc08dc GM |
1627 | |
1628 | UNBLOCK_INPUT; | |
2d764c78 | 1629 | #endif /* HAVE_X_WINDOWS */ |
c3cee013 | 1630 | } |
08dc08dc | 1631 | |
c3cee013 | 1632 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
1633 | |
1634 | ||
1635 | \f | |
1636 | /*********************************************************************** | |
1637 | XLFD Font Names | |
1638 | ***********************************************************************/ | |
1639 | ||
1640 | /* An enumerator for each field of an XLFD font name. */ | |
1641 | ||
1642 | enum xlfd_field | |
1643 | { | |
1644 | XLFD_FOUNDRY, | |
1645 | XLFD_FAMILY, | |
1646 | XLFD_WEIGHT, | |
1647 | XLFD_SLANT, | |
1648 | XLFD_SWIDTH, | |
1649 | XLFD_ADSTYLE, | |
1650 | XLFD_PIXEL_SIZE, | |
1651 | XLFD_POINT_SIZE, | |
1652 | XLFD_RESX, | |
1653 | XLFD_RESY, | |
1654 | XLFD_SPACING, | |
1655 | XLFD_AVGWIDTH, | |
1656 | XLFD_REGISTRY, | |
1657 | XLFD_ENCODING, | |
1658 | XLFD_LAST | |
1659 | }; | |
1660 | ||
178c5d9c | 1661 | /* An enumerator for each possible slant value of a font. Taken from |
82641697 GM |
1662 | the XLFD specification. */ |
1663 | ||
1664 | enum xlfd_slant | |
1665 | { | |
1666 | XLFD_SLANT_UNKNOWN, | |
1667 | XLFD_SLANT_ROMAN, | |
1668 | XLFD_SLANT_ITALIC, | |
1669 | XLFD_SLANT_OBLIQUE, | |
1670 | XLFD_SLANT_REVERSE_ITALIC, | |
1671 | XLFD_SLANT_REVERSE_OBLIQUE, | |
1672 | XLFD_SLANT_OTHER | |
1673 | }; | |
1674 | ||
1675 | /* Relative font weight according to XLFD documentation. */ | |
1676 | ||
1677 | enum xlfd_weight | |
1678 | { | |
1679 | XLFD_WEIGHT_UNKNOWN, | |
1680 | XLFD_WEIGHT_ULTRA_LIGHT, /* 10 */ | |
1681 | XLFD_WEIGHT_EXTRA_LIGHT, /* 20 */ | |
1682 | XLFD_WEIGHT_LIGHT, /* 30 */ | |
1683 | XLFD_WEIGHT_SEMI_LIGHT, /* 40: SemiLight, Book, ... */ | |
1684 | XLFD_WEIGHT_MEDIUM, /* 50: Medium, Normal, Regular, ... */ | |
1685 | XLFD_WEIGHT_SEMI_BOLD, /* 60: SemiBold, DemiBold, ... */ | |
1686 | XLFD_WEIGHT_BOLD, /* 70: Bold, ... */ | |
1687 | XLFD_WEIGHT_EXTRA_BOLD, /* 80: ExtraBold, Heavy, ... */ | |
1688 | XLFD_WEIGHT_ULTRA_BOLD /* 90: UltraBold, Black, ... */ | |
1689 | }; | |
1690 | ||
1691 | /* Relative proportionate width. */ | |
1692 | ||
1693 | enum xlfd_swidth | |
1694 | { | |
1695 | XLFD_SWIDTH_UNKNOWN, | |
1696 | XLFD_SWIDTH_ULTRA_CONDENSED, /* 10 */ | |
1697 | XLFD_SWIDTH_EXTRA_CONDENSED, /* 20 */ | |
1698 | XLFD_SWIDTH_CONDENSED, /* 30: Condensed, Narrow, Compressed, ... */ | |
1699 | XLFD_SWIDTH_SEMI_CONDENSED, /* 40: semicondensed */ | |
1700 | XLFD_SWIDTH_MEDIUM, /* 50: Medium, Normal, Regular, ... */ | |
1701 | XLFD_SWIDTH_SEMI_EXPANDED, /* 60: SemiExpanded, DemiExpanded, ... */ | |
1702 | XLFD_SWIDTH_EXPANDED, /* 70: Expanded... */ | |
1703 | XLFD_SWIDTH_EXTRA_EXPANDED, /* 80: ExtraExpanded, Wide... */ | |
1704 | XLFD_SWIDTH_ULTRA_EXPANDED /* 90: UltraExpanded... */ | |
1705 | }; | |
1706 | ||
1707 | /* Structure used for tables mapping XLFD weight, slant, and width | |
1708 | names to numeric and symbolic values. */ | |
1709 | ||
1710 | struct table_entry | |
1711 | { | |
1712 | char *name; | |
1713 | int numeric; | |
1714 | Lisp_Object *symbol; | |
1715 | }; | |
1716 | ||
1717 | /* Table of XLFD slant names and their numeric and symbolic | |
1718 | representations. This table must be sorted by slant names in | |
1719 | ascending order. */ | |
1720 | ||
1721 | static struct table_entry slant_table[] = | |
1722 | { | |
1723 | {"i", XLFD_SLANT_ITALIC, &Qitalic}, | |
1724 | {"o", XLFD_SLANT_OBLIQUE, &Qoblique}, | |
1725 | {"ot", XLFD_SLANT_OTHER, &Qitalic}, | |
1726 | {"r", XLFD_SLANT_ROMAN, &Qnormal}, | |
1727 | {"ri", XLFD_SLANT_REVERSE_ITALIC, &Qreverse_italic}, | |
1728 | {"ro", XLFD_SLANT_REVERSE_OBLIQUE, &Qreverse_oblique} | |
1729 | }; | |
1730 | ||
1731 | /* Table of XLFD weight names. This table must be sorted by weight | |
1732 | names in ascending order. */ | |
1733 | ||
1734 | static struct table_entry weight_table[] = | |
1735 | { | |
1736 | {"black", XLFD_WEIGHT_ULTRA_BOLD, &Qultra_bold}, | |
1737 | {"bold", XLFD_WEIGHT_BOLD, &Qbold}, | |
1738 | {"book", XLFD_WEIGHT_SEMI_LIGHT, &Qsemi_light}, | |
1739 | {"demibold", XLFD_WEIGHT_SEMI_BOLD, &Qsemi_bold}, | |
1740 | {"extralight", XLFD_WEIGHT_EXTRA_LIGHT, &Qextra_light}, | |
1741 | {"extrabold", XLFD_WEIGHT_EXTRA_BOLD, &Qextra_bold}, | |
1742 | {"heavy", XLFD_WEIGHT_EXTRA_BOLD, &Qextra_bold}, | |
1743 | {"light", XLFD_WEIGHT_LIGHT, &Qlight}, | |
1744 | {"medium", XLFD_WEIGHT_MEDIUM, &Qnormal}, | |
1745 | {"normal", XLFD_WEIGHT_MEDIUM, &Qnormal}, | |
1746 | {"regular", XLFD_WEIGHT_MEDIUM, &Qnormal}, | |
1747 | {"semibold", XLFD_WEIGHT_SEMI_BOLD, &Qsemi_bold}, | |
1748 | {"semilight", XLFD_WEIGHT_SEMI_LIGHT, &Qsemi_light}, | |
1749 | {"ultralight", XLFD_WEIGHT_ULTRA_LIGHT, &Qultra_light}, | |
1750 | {"ultrabold", XLFD_WEIGHT_ULTRA_BOLD, &Qultra_bold} | |
1751 | }; | |
1752 | ||
1753 | /* Table of XLFD width names. This table must be sorted by width | |
1754 | names in ascending order. */ | |
1755 | ||
1756 | static struct table_entry swidth_table[] = | |
1757 | { | |
1758 | {"compressed", XLFD_SWIDTH_CONDENSED, &Qcondensed}, | |
1759 | {"condensed", XLFD_SWIDTH_CONDENSED, &Qcondensed}, | |
1760 | {"demiexpanded", XLFD_SWIDTH_SEMI_EXPANDED, &Qsemi_expanded}, | |
1761 | {"expanded", XLFD_SWIDTH_EXPANDED, &Qexpanded}, | |
1762 | {"extracondensed", XLFD_SWIDTH_EXTRA_CONDENSED, &Qextra_condensed}, | |
1763 | {"extraexpanded", XLFD_SWIDTH_EXTRA_EXPANDED, &Qextra_expanded}, | |
1764 | {"medium", XLFD_SWIDTH_MEDIUM, &Qnormal}, | |
1765 | {"narrow", XLFD_SWIDTH_CONDENSED, &Qcondensed}, | |
1766 | {"normal", XLFD_SWIDTH_MEDIUM, &Qnormal}, | |
1767 | {"regular", XLFD_SWIDTH_MEDIUM, &Qnormal}, | |
1768 | {"semicondensed", XLFD_SWIDTH_SEMI_CONDENSED, &Qsemi_condensed}, | |
1769 | {"semiexpanded", XLFD_SWIDTH_SEMI_EXPANDED, &Qsemi_expanded}, | |
1770 | {"ultracondensed", XLFD_SWIDTH_ULTRA_CONDENSED, &Qultra_condensed}, | |
1771 | {"ultraexpanded", XLFD_SWIDTH_ULTRA_EXPANDED, &Qultra_expanded}, | |
1772 | {"wide", XLFD_SWIDTH_EXTRA_EXPANDED, &Qextra_expanded} | |
1773 | }; | |
1774 | ||
1775 | /* Structure used to hold the result of splitting font names in XLFD | |
1776 | format into their fields. */ | |
1777 | ||
1778 | struct font_name | |
1779 | { | |
1780 | /* The original name which is modified destructively by | |
1781 | split_font_name. The pointer is kept here to be able to free it | |
1782 | if it was allocated from the heap. */ | |
1783 | char *name; | |
1784 | ||
1785 | /* Font name fields. Each vector element points into `name' above. | |
1786 | Fields are NUL-terminated. */ | |
1787 | char *fields[XLFD_LAST]; | |
1788 | ||
1789 | /* Numeric values for those fields that interest us. See | |
1790 | split_font_name for which these are. */ | |
1791 | int numeric[XLFD_LAST]; | |
1792 | }; | |
1793 | ||
1794 | /* The frame in effect when sorting font names. Set temporarily in | |
1795 | sort_fonts so that it is available in font comparison functions. */ | |
1796 | ||
1797 | static struct frame *font_frame; | |
1798 | ||
1799 | /* Order by which font selection chooses fonts. The default values | |
1800 | mean `first, find a best match for the font width, then for the | |
1801 | font height, then for weight, then for slant.' This variable can be | |
1802 | set via set-face-font-sort-order. */ | |
1803 | ||
1804 | static int font_sort_order[4]; | |
1805 | ||
1806 | ||
1807 | /* Look up FONT.fields[FIELD_INDEX] in TABLE which has DIM entries. | |
1808 | TABLE must be sorted by TABLE[i]->name in ascending order. Value | |
1809 | is a pointer to the matching table entry or null if no table entry | |
1810 | matches. */ | |
1811 | ||
1812 | static struct table_entry * | |
1813 | xlfd_lookup_field_contents (table, dim, font, field_index) | |
1814 | struct table_entry *table; | |
1815 | int dim; | |
1816 | struct font_name *font; | |
1817 | int field_index; | |
1818 | { | |
1819 | /* Function split_font_name converts fields to lower-case, so there | |
1820 | is no need to use xstrlwr or xstricmp here. */ | |
1821 | char *s = font->fields[field_index]; | |
1822 | int low, mid, high, cmp; | |
1823 | ||
1824 | low = 0; | |
1825 | high = dim - 1; | |
1826 | ||
1827 | while (low <= high) | |
1828 | { | |
1829 | mid = (low + high) / 2; | |
1830 | cmp = strcmp (table[mid].name, s); | |
178c5d9c | 1831 | |
82641697 GM |
1832 | if (cmp < 0) |
1833 | low = mid + 1; | |
1834 | else if (cmp > 0) | |
1835 | high = mid - 1; | |
1836 | else | |
1837 | return table + mid; | |
1838 | } | |
1839 | ||
1840 | return NULL; | |
1841 | } | |
1842 | ||
1843 | ||
1844 | /* Return a numeric representation for font name field | |
1845 | FONT.fields[FIELD_INDEX]. The field is looked up in TABLE which | |
1846 | has DIM entries. Value is the numeric value found or DFLT if no | |
1847 | table entry matches. This function is used to translate weight, | |
1848 | slant, and swidth names of XLFD font names to numeric values. */ | |
1849 | ||
1850 | static INLINE int | |
1851 | xlfd_numeric_value (table, dim, font, field_index, dflt) | |
1852 | struct table_entry *table; | |
1853 | int dim; | |
1854 | struct font_name *font; | |
1855 | int field_index; | |
1856 | int dflt; | |
1857 | { | |
1858 | struct table_entry *p; | |
1859 | p = xlfd_lookup_field_contents (table, dim, font, field_index); | |
1860 | return p ? p->numeric : dflt; | |
1861 | } | |
1862 | ||
1863 | ||
1864 | /* Return a symbolic representation for font name field | |
1865 | FONT.fields[FIELD_INDEX]. The field is looked up in TABLE which | |
1866 | has DIM entries. Value is the symbolic value found or DFLT if no | |
1867 | table entry matches. This function is used to translate weight, | |
1868 | slant, and swidth names of XLFD font names to symbols. */ | |
1869 | ||
1870 | static INLINE Lisp_Object | |
1871 | xlfd_symbolic_value (table, dim, font, field_index, dflt) | |
1872 | struct table_entry *table; | |
1873 | int dim; | |
1874 | struct font_name *font; | |
1875 | int field_index; | |
6fc556fd | 1876 | Lisp_Object dflt; |
82641697 GM |
1877 | { |
1878 | struct table_entry *p; | |
1879 | p = xlfd_lookup_field_contents (table, dim, font, field_index); | |
1880 | return p ? *p->symbol : dflt; | |
1881 | } | |
1882 | ||
1883 | ||
1884 | /* Return a numeric value for the slant of the font given by FONT. */ | |
1885 | ||
1886 | static INLINE int | |
1887 | xlfd_numeric_slant (font) | |
1888 | struct font_name *font; | |
1889 | { | |
1890 | return xlfd_numeric_value (slant_table, DIM (slant_table), | |
1891 | font, XLFD_SLANT, XLFD_SLANT_ROMAN); | |
1892 | } | |
1893 | ||
1894 | ||
1895 | /* Return a symbol representing the weight of the font given by FONT. */ | |
1896 | ||
1897 | static INLINE Lisp_Object | |
1898 | xlfd_symbolic_slant (font) | |
1899 | struct font_name *font; | |
1900 | { | |
1901 | return xlfd_symbolic_value (slant_table, DIM (slant_table), | |
1902 | font, XLFD_SLANT, Qnormal); | |
1903 | } | |
1904 | ||
1905 | ||
1906 | /* Return a numeric value for the weight of the font given by FONT. */ | |
1907 | ||
1908 | static INLINE int | |
1909 | xlfd_numeric_weight (font) | |
1910 | struct font_name *font; | |
1911 | { | |
1912 | return xlfd_numeric_value (weight_table, DIM (weight_table), | |
1913 | font, XLFD_WEIGHT, XLFD_WEIGHT_MEDIUM); | |
1914 | } | |
1915 | ||
1916 | ||
1917 | /* Return a symbol representing the slant of the font given by FONT. */ | |
1918 | ||
1919 | static INLINE Lisp_Object | |
1920 | xlfd_symbolic_weight (font) | |
1921 | struct font_name *font; | |
1922 | { | |
1923 | return xlfd_symbolic_value (weight_table, DIM (weight_table), | |
1924 | font, XLFD_WEIGHT, Qnormal); | |
1925 | } | |
1926 | ||
1927 | ||
1928 | /* Return a numeric value for the swidth of the font whose XLFD font | |
1929 | name fields are found in FONT. */ | |
1930 | ||
1931 | static INLINE int | |
1932 | xlfd_numeric_swidth (font) | |
1933 | struct font_name *font; | |
1934 | { | |
1935 | return xlfd_numeric_value (swidth_table, DIM (swidth_table), | |
1936 | font, XLFD_SWIDTH, XLFD_SWIDTH_MEDIUM); | |
1937 | } | |
1938 | ||
1939 | ||
1940 | /* Return a symbolic value for the swidth of FONT. */ | |
1941 | ||
1942 | static INLINE Lisp_Object | |
1943 | xlfd_symbolic_swidth (font) | |
1944 | struct font_name *font; | |
1945 | { | |
1946 | return xlfd_symbolic_value (swidth_table, DIM (swidth_table), | |
1947 | font, XLFD_SWIDTH, Qnormal); | |
1948 | } | |
178c5d9c | 1949 | |
82641697 GM |
1950 | |
1951 | /* Look up the entry of SYMBOL in the vector TABLE which has DIM | |
1952 | entries. Value is a pointer to the matching table entry or null if | |
1953 | no element of TABLE contains SYMBOL. */ | |
1954 | ||
1955 | static struct table_entry * | |
1956 | face_value (table, dim, symbol) | |
1957 | struct table_entry *table; | |
1958 | int dim; | |
1959 | Lisp_Object symbol; | |
1960 | { | |
1961 | int i; | |
1962 | ||
1963 | xassert (SYMBOLP (symbol)); | |
178c5d9c | 1964 | |
82641697 GM |
1965 | for (i = 0; i < dim; ++i) |
1966 | if (EQ (*table[i].symbol, symbol)) | |
1967 | break; | |
1968 | ||
1969 | return i < dim ? table + i : NULL; | |
1970 | } | |
1971 | ||
1972 | ||
1973 | /* Return a numeric value for SYMBOL in the vector TABLE which has DIM | |
1974 | entries. Value is -1 if SYMBOL is not found in TABLE. */ | |
1975 | ||
1976 | static INLINE int | |
1977 | face_numeric_value (table, dim, symbol) | |
1978 | struct table_entry *table; | |
1979 | int dim; | |
1980 | Lisp_Object symbol; | |
1981 | { | |
1982 | struct table_entry *p = face_value (table, dim, symbol); | |
1983 | return p ? p->numeric : -1; | |
1984 | } | |
1985 | ||
1986 | ||
1987 | /* Return a numeric value representing the weight specified by Lisp | |
1988 | symbol WEIGHT. Value is one of the enumerators of enum | |
1989 | xlfd_weight. */ | |
1990 | ||
1991 | static INLINE int | |
1992 | face_numeric_weight (weight) | |
1993 | Lisp_Object weight; | |
1994 | { | |
1995 | return face_numeric_value (weight_table, DIM (weight_table), weight); | |
1996 | } | |
1997 | ||
1998 | ||
1999 | /* Return a numeric value representing the slant specified by Lisp | |
2000 | symbol SLANT. Value is one of the enumerators of enum xlfd_slant. */ | |
2001 | ||
2002 | static INLINE int | |
2003 | face_numeric_slant (slant) | |
2004 | Lisp_Object slant; | |
2005 | { | |
2006 | return face_numeric_value (slant_table, DIM (slant_table), slant); | |
2007 | } | |
2008 | ||
2009 | ||
2010 | /* Return a numeric value representing the swidth specified by Lisp | |
2011 | symbol WIDTH. Value is one of the enumerators of enum xlfd_swidth. */ | |
2012 | ||
2013 | static int | |
2014 | face_numeric_swidth (width) | |
2015 | Lisp_Object width; | |
2016 | { | |
2017 | return face_numeric_value (swidth_table, DIM (swidth_table), width); | |
2018 | } | |
2019 | ||
2020 | ||
c3cee013 | 2021 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 GM |
2022 | |
2023 | /* Return non-zero if FONT is the name of a fixed-pitch font. */ | |
2024 | ||
2025 | static INLINE int | |
2026 | xlfd_fixed_p (font) | |
2027 | struct font_name *font; | |
2028 | { | |
2029 | /* Function split_font_name converts fields to lower-case, so there | |
2030 | is no need to use tolower here. */ | |
2031 | return *font->fields[XLFD_SPACING] != 'p'; | |
2032 | } | |
2033 | ||
2034 | ||
2035 | /* Return the point size of FONT on frame F, measured in 1/10 pt. | |
2036 | ||
2037 | The actual height of the font when displayed on F depends on the | |
2038 | resolution of both the font and frame. For example, a 10pt font | |
2039 | designed for a 100dpi display will display larger than 10pt on a | |
2040 | 75dpi display. (It's not unusual to use fonts not designed for the | |
2041 | display one is using. For example, some intlfonts are available in | |
2042 | 72dpi versions, only.) | |
2043 | ||
2044 | Value is the real point size of FONT on frame F, or 0 if it cannot | |
2045 | be determined. */ | |
2046 | ||
2047 | static INLINE int | |
2048 | xlfd_point_size (f, font) | |
2049 | struct frame *f; | |
2050 | struct font_name *font; | |
2051 | { | |
2052 | double resy = FRAME_X_DISPLAY_INFO (f)->resy; | |
2053 | double font_resy = atoi (font->fields[XLFD_RESY]); | |
2054 | double font_pt = atoi (font->fields[XLFD_POINT_SIZE]); | |
2055 | int real_pt; | |
2056 | ||
2057 | if (font_resy == 0 || font_pt == 0) | |
2058 | real_pt = 0; | |
2059 | else | |
2060 | real_pt = (font_resy / resy) * font_pt + 0.5; | |
2061 | ||
2062 | return real_pt; | |
2063 | } | |
2064 | ||
2065 | ||
39506348 KH |
2066 | /* Return point size of PIXEL dots while considering Y-resultion (DPI) |
2067 | of frame F. This function is used to guess a point size of font | |
2068 | when only the pixel height of the font is available. */ | |
2069 | ||
2070 | static INLINE int | |
2071 | pixel_point_size (f, pixel) | |
2072 | struct frame *f; | |
2073 | int pixel; | |
2074 | { | |
2075 | double resy = FRAME_X_DISPLAY_INFO (f)->resy; | |
2076 | double real_pt; | |
2077 | int int_pt; | |
2078 | ||
2079 | /* As one inch is 72 points, 72/RESY gives the point size of one dot. */ | |
2080 | real_pt = pixel * 72 / resy; | |
2081 | int_pt = real_pt + 0.5; | |
2082 | ||
2083 | return int_pt; | |
2084 | } | |
2085 | ||
2086 | ||
82641697 GM |
2087 | /* Split XLFD font name FONT->name destructively into NUL-terminated, |
2088 | lower-case fields in FONT->fields. NUMERIC_P non-zero means | |
2089 | compute numeric values for fields XLFD_POINT_SIZE, XLFD_SWIDTH, | |
2090 | XLFD_RESY, XLFD_SLANT, and XLFD_WEIGHT in FONT->numeric. Value is | |
2091 | zero if the font name doesn't have the format we expect. The | |
2092 | expected format is a font name that starts with a `-' and has | |
2093 | XLFD_LAST fields separated by `-'. (The XLFD specification allows | |
2094 | forms of font names where certain field contents are enclosed in | |
2095 | square brackets. We don't support that, for now. */ | |
2096 | ||
2097 | static int | |
2098 | split_font_name (f, font, numeric_p) | |
2099 | struct frame *f; | |
2100 | struct font_name *font; | |
2101 | int numeric_p; | |
2102 | { | |
2103 | int i = 0; | |
2104 | int success_p; | |
2105 | ||
2106 | if (*font->name == '-') | |
2107 | { | |
2108 | char *p = xstrlwr (font->name) + 1; | |
2109 | ||
2110 | while (i < XLFD_LAST) | |
2111 | { | |
2112 | font->fields[i] = p; | |
2113 | ++i; | |
178c5d9c | 2114 | |
82641697 GM |
2115 | while (*p && *p != '-') |
2116 | ++p; | |
178c5d9c | 2117 | |
82641697 GM |
2118 | if (*p != '-') |
2119 | break; | |
178c5d9c | 2120 | |
82641697 GM |
2121 | *p++ = 0; |
2122 | } | |
2123 | } | |
2124 | ||
2125 | success_p = i == XLFD_LAST; | |
2126 | ||
2127 | /* If requested, and font name was in the expected format, | |
2128 | compute numeric values for some fields. */ | |
2129 | if (numeric_p && success_p) | |
2130 | { | |
2131 | font->numeric[XLFD_POINT_SIZE] = xlfd_point_size (f, font); | |
2132 | font->numeric[XLFD_RESY] = atoi (font->fields[XLFD_RESY]); | |
2133 | font->numeric[XLFD_SLANT] = xlfd_numeric_slant (font); | |
2134 | font->numeric[XLFD_WEIGHT] = xlfd_numeric_weight (font); | |
2135 | font->numeric[XLFD_SWIDTH] = xlfd_numeric_swidth (font); | |
2136 | } | |
2137 | ||
2138 | return success_p; | |
2139 | } | |
2140 | ||
2141 | ||
2142 | /* Build an XLFD font name from font name fields in FONT. Value is a | |
2143 | pointer to the font name, which is allocated via xmalloc. */ | |
178c5d9c | 2144 | |
82641697 GM |
2145 | static char * |
2146 | build_font_name (font) | |
2147 | struct font_name *font; | |
2148 | { | |
2149 | int i; | |
2150 | int size = 100; | |
2151 | char *font_name = (char *) xmalloc (size); | |
2152 | int total_length = 0; | |
2153 | ||
2154 | for (i = 0; i < XLFD_LAST; ++i) | |
2155 | { | |
2156 | /* Add 1 because of the leading `-'. */ | |
2157 | int len = strlen (font->fields[i]) + 1; | |
2158 | ||
2159 | /* Reallocate font_name if necessary. Add 1 for the final | |
2160 | NUL-byte. */ | |
2161 | if (total_length + len + 1 >= size) | |
2162 | { | |
2163 | int new_size = max (2 * size, size + len + 1); | |
2164 | int sz = new_size * sizeof *font_name; | |
2165 | font_name = (char *) xrealloc (font_name, sz); | |
2166 | size = new_size; | |
2167 | } | |
2168 | ||
2169 | font_name[total_length] = '-'; | |
2170 | bcopy (font->fields[i], font_name + total_length + 1, len - 1); | |
2171 | total_length += len; | |
2172 | } | |
2173 | ||
2174 | font_name[total_length] = 0; | |
2175 | return font_name; | |
2176 | } | |
2177 | ||
2178 | ||
2179 | /* Free an array FONTS of N font_name structures. This frees FONTS | |
2180 | itself and all `name' fields in its elements. */ | |
2181 | ||
2182 | static INLINE void | |
2183 | free_font_names (fonts, n) | |
2184 | struct font_name *fonts; | |
2185 | int n; | |
2186 | { | |
2187 | while (n) | |
2188 | xfree (fonts[--n].name); | |
2189 | xfree (fonts); | |
2190 | } | |
2191 | ||
2192 | ||
2193 | /* Sort vector FONTS of font_name structures which contains NFONTS | |
2194 | elements using qsort and comparison function CMPFN. F is the frame | |
2195 | on which the fonts will be used. The global variable font_frame | |
2196 | is temporarily set to F to make it available in CMPFN. */ | |
2197 | ||
2198 | static INLINE void | |
2199 | sort_fonts (f, fonts, nfonts, cmpfn) | |
2200 | struct frame *f; | |
2201 | struct font_name *fonts; | |
2202 | int nfonts; | |
2203 | int (*cmpfn) P_ ((const void *, const void *)); | |
2204 | { | |
2205 | font_frame = f; | |
2206 | qsort (fonts, nfonts, sizeof *fonts, cmpfn); | |
2207 | font_frame = NULL; | |
2208 | } | |
2209 | ||
2210 | ||
2211 | /* Get fonts matching PATTERN on frame F. If F is null, use the first | |
2212 | display in x_display_list. FONTS is a pointer to a vector of | |
2213 | NFONTS font_name structures. TRY_ALTERNATIVES_P non-zero means try | |
2214 | alternative patterns from Valternate_fontname_alist if no fonts are | |
2215 | found matching PATTERN. SCALABLE_FONTS_P non-zero means include | |
2216 | scalable fonts. | |
2217 | ||
2218 | For all fonts found, set FONTS[i].name to the name of the font, | |
2219 | allocated via xmalloc, and split font names into fields. Ignore | |
2220 | fonts that we can't parse. Value is the number of fonts found. | |
178c5d9c | 2221 | |
82641697 GM |
2222 | This is similar to x_list_fonts. The differences are: |
2223 | ||
2224 | 1. It avoids consing. | |
2225 | 2. It never calls XLoadQueryFont. */ | |
2226 | ||
2227 | static int | |
2228 | x_face_list_fonts (f, pattern, fonts, nfonts, try_alternatives_p, | |
2229 | scalable_fonts_p) | |
2230 | struct frame *f; | |
2231 | char *pattern; | |
2232 | struct font_name *fonts; | |
2233 | int nfonts, try_alternatives_p; | |
2234 | int scalable_fonts_p; | |
2235 | { | |
82641697 GM |
2236 | int n, i, j; |
2237 | char **names; | |
c3cee013 JR |
2238 | #ifdef HAVE_X_WINDOWS |
2239 | Display *dpy = f ? FRAME_X_DISPLAY (f) : x_display_list->display; | |
82641697 GM |
2240 | |
2241 | /* Get the list of fonts matching PATTERN from the X server. */ | |
2242 | BLOCK_INPUT; | |
2243 | names = XListFonts (dpy, pattern, nfonts, &n); | |
2244 | UNBLOCK_INPUT; | |
c3cee013 JR |
2245 | #endif |
2246 | #ifdef WINDOWSNT | |
2247 | /* NTEMACS_TODO : currently this uses w32_list_fonts, but it may be | |
2248 | better to do it the other way around. */ | |
2249 | Lisp_Object lfonts; | |
2250 | Lisp_Object lpattern, tem; | |
2251 | ||
2252 | n = 0; | |
2253 | names = NULL; | |
2254 | ||
2255 | lpattern = build_string (pattern); | |
2256 | ||
2257 | /* Get the list of fonts matching PATTERN. */ | |
2258 | BLOCK_INPUT; | |
2259 | lfonts = w32_list_fonts (f, lpattern, 0, nfonts); | |
2260 | UNBLOCK_INPUT; | |
2261 | ||
2262 | /* Count fonts returned */ | |
2263 | for (tem = lfonts; CONSP (tem); tem = XCDR (tem)) | |
2264 | n++; | |
2265 | ||
2266 | /* Allocate array. */ | |
2267 | if (n) | |
2268 | names = (char **) xmalloc (n * sizeof (char *)); | |
2269 | ||
2270 | /* Extract font names into char * array. */ | |
2271 | tem = lfonts; | |
2272 | for (i = 0; i < n; i++) | |
2273 | { | |
2274 | names[i] = XSTRING (XCAR (tem))->data; | |
2275 | tem = XCDR (tem); | |
2276 | } | |
2277 | #endif | |
82641697 GM |
2278 | |
2279 | if (names) | |
2280 | { | |
2281 | /* Make a copy of the font names we got from X, and | |
2282 | split them into fields. */ | |
2283 | for (i = j = 0; i < n; ++i) | |
2284 | { | |
2285 | /* Make a copy of the font name. */ | |
2286 | fonts[j].name = xstrdup (names[i]); | |
2287 | ||
2288 | /* Ignore fonts having a name that we can't parse. */ | |
2289 | if (!split_font_name (f, fonts + j, 1)) | |
2290 | xfree (fonts[j].name); | |
2291 | else if (font_scalable_p (fonts + j)) | |
2292 | { | |
2293 | #if SCALABLE_FONTS | |
2294 | if (!scalable_fonts_p | |
2295 | || !may_use_scalable_font_p (fonts + j, names[i])) | |
2296 | xfree (fonts[j].name); | |
2297 | else | |
2298 | ++j; | |
2299 | #else /* !SCALABLE_FONTS */ | |
2300 | /* Always ignore scalable fonts. */ | |
2301 | xfree (fonts[j].name); | |
2302 | #endif /* !SCALABLE_FONTS */ | |
2303 | } | |
2304 | else | |
2305 | ++j; | |
2306 | } | |
2307 | ||
2308 | n = j; | |
2309 | ||
c3cee013 | 2310 | #ifdef HAVE_X_WINDOWS |
82641697 GM |
2311 | /* Free font names. */ |
2312 | BLOCK_INPUT; | |
2313 | XFreeFontNames (names); | |
2314 | UNBLOCK_INPUT; | |
c3cee013 | 2315 | #endif |
82641697 | 2316 | } |
178c5d9c | 2317 | |
82641697 GM |
2318 | |
2319 | /* If no fonts found, try patterns from Valternate_fontname_alist. */ | |
2320 | if (n == 0 && try_alternatives_p) | |
2321 | { | |
2322 | Lisp_Object list = Valternate_fontname_alist; | |
2323 | ||
2324 | while (CONSP (list)) | |
2325 | { | |
2326 | Lisp_Object entry = XCAR (list); | |
2327 | if (CONSP (entry) | |
2328 | && STRINGP (XCAR (entry)) | |
2329 | && strcmp (XSTRING (XCAR (entry))->data, pattern) == 0) | |
2330 | break; | |
2331 | list = XCDR (list); | |
2332 | } | |
2333 | ||
2334 | if (CONSP (list)) | |
2335 | { | |
2336 | Lisp_Object patterns = XCAR (list); | |
2337 | Lisp_Object name; | |
178c5d9c | 2338 | |
82641697 GM |
2339 | while (CONSP (patterns) |
2340 | /* If list is screwed up, give up. */ | |
2341 | && (name = XCAR (patterns), | |
2342 | STRINGP (name)) | |
2343 | /* Ignore patterns equal to PATTERN because we tried that | |
2344 | already with no success. */ | |
2345 | && (strcmp (XSTRING (name)->data, pattern) == 0 | |
2346 | || (n = x_face_list_fonts (f, XSTRING (name)->data, | |
2347 | fonts, nfonts, 0, | |
2348 | scalable_fonts_p), | |
2349 | n == 0))) | |
2350 | patterns = XCDR (patterns); | |
2351 | } | |
2352 | } | |
178c5d9c | 2353 | |
82641697 GM |
2354 | return n; |
2355 | } | |
178c5d9c | 2356 | |
82641697 GM |
2357 | |
2358 | /* Determine the first font matching PATTERN on frame F. Return in | |
2359 | *FONT the matching font name, split into fields. Value is non-zero | |
2360 | if a match was found. */ | |
2361 | ||
2362 | static int | |
2363 | first_font_matching (f, pattern, font) | |
2364 | struct frame *f; | |
2365 | char *pattern; | |
2366 | struct font_name *font; | |
2367 | { | |
2368 | int nfonts = 100; | |
2369 | struct font_name *fonts; | |
2370 | ||
2371 | fonts = (struct font_name *) xmalloc (nfonts * sizeof *fonts); | |
2372 | nfonts = x_face_list_fonts (f, pattern, fonts, nfonts, 1, 0); | |
2373 | ||
2374 | if (nfonts > 0) | |
2375 | { | |
2376 | bcopy (&fonts[0], font, sizeof *font); | |
178c5d9c | 2377 | |
82641697 GM |
2378 | fonts[0].name = NULL; |
2379 | free_font_names (fonts, nfonts); | |
2380 | } | |
2381 | ||
2382 | return nfonts > 0; | |
2383 | } | |
2384 | ||
2385 | ||
2386 | /* Determine fonts matching PATTERN on frame F. Sort resulting fonts | |
2387 | using comparison function CMPFN. Value is the number of fonts | |
2388 | found. If value is non-zero, *FONTS is set to a vector of | |
2389 | font_name structures allocated from the heap containing matching | |
2390 | fonts. Each element of *FONTS contains a name member that is also | |
2391 | allocated from the heap. Font names in these structures are split | |
2392 | into fields. Use free_font_names to free such an array. */ | |
2393 | ||
2394 | static int | |
2395 | sorted_font_list (f, pattern, cmpfn, fonts) | |
2396 | struct frame *f; | |
2397 | char *pattern; | |
2398 | int (*cmpfn) P_ ((const void *, const void *)); | |
2399 | struct font_name **fonts; | |
2400 | { | |
2401 | int nfonts; | |
178c5d9c | 2402 | |
82641697 | 2403 | /* Get the list of fonts matching pattern. 100 should suffice. */ |
057df17c GM |
2404 | nfonts = DEFAULT_FONT_LIST_LIMIT; |
2405 | if (INTEGERP (Vfont_list_limit) && XINT (Vfont_list_limit) > 0) | |
2406 | nfonts = XFASTINT (Vfont_list_limit); | |
178c5d9c | 2407 | |
82641697 GM |
2408 | *fonts = (struct font_name *) xmalloc (nfonts * sizeof **fonts); |
2409 | #if SCALABLE_FONTS | |
2410 | nfonts = x_face_list_fonts (f, pattern, *fonts, nfonts, 1, 1); | |
2411 | #else | |
2412 | nfonts = x_face_list_fonts (f, pattern, *fonts, nfonts, 1, 0); | |
2413 | #endif | |
178c5d9c SS |
2414 | |
2415 | /* Sort the resulting array and return it in *FONTS. If no | |
82641697 GM |
2416 | fonts were found, make sure to set *FONTS to null. */ |
2417 | if (nfonts) | |
2418 | sort_fonts (f, *fonts, nfonts, cmpfn); | |
2419 | else | |
2420 | { | |
2421 | xfree (*fonts); | |
2422 | *fonts = NULL; | |
2423 | } | |
2424 | ||
2425 | return nfonts; | |
2426 | } | |
2427 | ||
2428 | ||
2429 | /* Compare two font_name structures *A and *B. Value is analogous to | |
2430 | strcmp. Sort order is given by the global variable | |
2431 | font_sort_order. Font names are sorted so that, everything else | |
2432 | being equal, fonts with a resolution closer to that of the frame on | |
2433 | which they are used are listed first. The global variable | |
2434 | font_frame is the frame on which we operate. */ | |
2435 | ||
2436 | static int | |
2437 | cmp_font_names (a, b) | |
2438 | const void *a, *b; | |
2439 | { | |
2440 | struct font_name *x = (struct font_name *) a; | |
2441 | struct font_name *y = (struct font_name *) b; | |
2442 | int cmp; | |
2443 | ||
2444 | /* All strings have been converted to lower-case by split_font_name, | |
2445 | so we can use strcmp here. */ | |
2446 | cmp = strcmp (x->fields[XLFD_FAMILY], y->fields[XLFD_FAMILY]); | |
2447 | if (cmp == 0) | |
2448 | { | |
2449 | int i; | |
178c5d9c | 2450 | |
82641697 GM |
2451 | for (i = 0; i < DIM (font_sort_order) && cmp == 0; ++i) |
2452 | { | |
2453 | int j = font_sort_order[i]; | |
2454 | cmp = x->numeric[j] - y->numeric[j]; | |
2455 | } | |
2456 | ||
2457 | if (cmp == 0) | |
2458 | { | |
2459 | /* Everything else being equal, we prefer fonts with an | |
2460 | y-resolution closer to that of the frame. */ | |
2461 | int resy = FRAME_X_DISPLAY_INFO (font_frame)->resy; | |
2462 | int x_resy = x->numeric[XLFD_RESY]; | |
2463 | int y_resy = y->numeric[XLFD_RESY]; | |
2464 | cmp = abs (resy - x_resy) - abs (resy - y_resy); | |
2465 | } | |
2466 | } | |
2467 | ||
2468 | return cmp; | |
2469 | } | |
2470 | ||
2471 | ||
2472 | /* Get a sorted list of fonts of family FAMILY on frame F. If PATTERN | |
39506348 KH |
2473 | is non-nil list fonts matching that pattern. Otherwise, if |
2474 | REGISTRY is non-nil return only fonts with that registry, otherwise | |
2475 | return fonts of any registry. Set *FONTS to a vector of font_name | |
2476 | structures allocated from the heap containing the fonts found. | |
2477 | Value is the number of fonts found. */ | |
82641697 GM |
2478 | |
2479 | static int | |
39506348 | 2480 | font_list (f, pattern, family, registry, fonts) |
82641697 | 2481 | struct frame *f; |
39506348 | 2482 | Lisp_Object pattern, family, registry; |
82641697 GM |
2483 | struct font_name **fonts; |
2484 | { | |
39506348 KH |
2485 | char *pattern_str, *family_str, *registry_str; |
2486 | ||
2487 | if (NILP (pattern)) | |
82641697 | 2488 | { |
39506348 KH |
2489 | family_str = (NILP (family) ? "*" : (char *) XSTRING (family)->data); |
2490 | registry_str = (NILP (registry) ? "*" : (char *) XSTRING (registry)->data); | |
178c5d9c | 2491 | |
39506348 | 2492 | pattern_str = (char *) alloca (strlen (family_str) |
0d1f7c08 KH |
2493 | + strlen (registry_str) |
2494 | + 10); | |
2495 | strcpy (pattern_str, index (family_str, '-') ? "-" : "-*-"); | |
2496 | strcat (pattern_str, family_str); | |
2497 | strcat (pattern_str, "-*-"); | |
2498 | strcat (pattern_str, registry_str); | |
2499 | if (!index (registry_str, '-')) | |
2500 | { | |
2501 | if (registry_str[strlen (registry_str) - 1] == '*') | |
2502 | strcat (pattern_str, "-*"); | |
2503 | else | |
2504 | strcat (pattern_str, "*-*"); | |
2505 | } | |
82641697 | 2506 | } |
39506348 KH |
2507 | else |
2508 | pattern_str = (char *) XSTRING (pattern)->data; | |
178c5d9c | 2509 | |
39506348 | 2510 | return sorted_font_list (f, pattern_str, cmp_font_names, fonts); |
82641697 GM |
2511 | } |
2512 | ||
2513 | ||
2514 | /* Remove elements from LIST whose cars are `equal'. Called from | |
92610620 | 2515 | x-family-fonts and x-font-family-list to remove duplicate font |
82641697 GM |
2516 | entries. */ |
2517 | ||
2518 | static void | |
2519 | remove_duplicates (list) | |
2520 | Lisp_Object list; | |
2521 | { | |
2522 | Lisp_Object tail = list; | |
178c5d9c | 2523 | |
82641697 GM |
2524 | while (!NILP (tail) && !NILP (XCDR (tail))) |
2525 | { | |
2526 | Lisp_Object next = XCDR (tail); | |
2527 | if (!NILP (Fequal (XCAR (next), XCAR (tail)))) | |
2528 | XCDR (tail) = XCDR (next); | |
2529 | else | |
2530 | tail = XCDR (tail); | |
2531 | } | |
2532 | } | |
2533 | ||
2534 | ||
92610620 | 2535 | DEFUN ("x-family-fonts", Fx_family_fonts, Sx_family_fonts, 0, 2, 0, |
82641697 GM |
2536 | "Return a list of available fonts of family FAMILY on FRAME.\n\ |
2537 | If FAMILY is omitted or nil, list all families.\n\ | |
2538 | Otherwise, FAMILY must be a string, possibly containing wildcards\n\ | |
2539 | `?' and `*'.\n\ | |
2540 | If FRAME is omitted or nil, use the selected frame.\n\ | |
2541 | Each element of the result is a vector [FAMILY WIDTH POINT-SIZE WEIGHT\n\ | |
057df17c | 2542 | SLANT FIXED-P FULL REGISTRY-AND-ENCODING].\n\ |
82641697 GM |
2543 | FAMILY is the font family name. POINT-SIZE is the size of the\n\ |
2544 | font in 1/10 pt. WIDTH, WEIGHT, and SLANT are symbols describing the\n\ | |
2545 | width, weight and slant of the font. These symbols are the same as for\n\ | |
2546 | face attributes. FIXED-P is non-nil if the font is fixed-pitch.\n\ | |
057df17c GM |
2547 | FULL is the full name of the font, and REGISTRY-AND-ENCODING is a string\n\ |
2548 | giving the registry and encoding of the font.\n\ | |
82641697 GM |
2549 | The result list is sorted according to the current setting of\n\ |
2550 | the face font sort order.") | |
2551 | (family, frame) | |
2552 | Lisp_Object family, frame; | |
2553 | { | |
2554 | struct frame *f = check_x_frame (frame); | |
2555 | struct font_name *fonts; | |
2556 | int i, nfonts; | |
2557 | Lisp_Object result; | |
2558 | struct gcpro gcpro1; | |
82641697 | 2559 | |
39506348 KH |
2560 | if (!NILP (family)) |
2561 | CHECK_STRING (family, 1); | |
178c5d9c | 2562 | |
82641697 GM |
2563 | result = Qnil; |
2564 | GCPRO1 (result); | |
39506348 | 2565 | nfonts = font_list (f, Qnil, family, Qnil, &fonts); |
82641697 GM |
2566 | for (i = nfonts - 1; i >= 0; --i) |
2567 | { | |
057df17c GM |
2568 | Lisp_Object v = Fmake_vector (make_number (8), Qnil); |
2569 | char *tem; | |
82641697 | 2570 | |
82641697 GM |
2571 | ASET (v, 0, build_string (fonts[i].fields[XLFD_FAMILY])); |
2572 | ASET (v, 1, xlfd_symbolic_swidth (fonts + i)); | |
2573 | ASET (v, 2, make_number (xlfd_point_size (f, fonts + i))); | |
2574 | ASET (v, 3, xlfd_symbolic_weight (fonts + i)); | |
2575 | ASET (v, 4, xlfd_symbolic_slant (fonts + i)); | |
2576 | ASET (v, 5, xlfd_fixed_p (fonts + i) ? Qt : Qnil); | |
057df17c GM |
2577 | tem = build_font_name (fonts + i); |
2578 | ASET (v, 6, build_string (tem)); | |
2579 | sprintf (tem, "%s-%s", fonts[i].fields[XLFD_REGISTRY], | |
2580 | fonts[i].fields[XLFD_ENCODING]); | |
2581 | ASET (v, 7, build_string (tem)); | |
2582 | xfree (tem); | |
178c5d9c | 2583 | |
82641697 | 2584 | result = Fcons (v, result); |
82641697 GM |
2585 | } |
2586 | ||
2587 | remove_duplicates (result); | |
2588 | free_font_names (fonts, nfonts); | |
2589 | UNGCPRO; | |
2590 | return result; | |
2591 | } | |
2592 | ||
2593 | ||
2594 | DEFUN ("x-font-family-list", Fx_font_family_list, Sx_font_family_list, | |
2595 | 0, 1, 0, | |
2596 | "Return a list of available font families on FRAME.\n\ | |
2597 | If FRAME is omitted or nil, use the selected frame.\n\ | |
2598 | Value is a list of conses (FAMILY . FIXED-P) where FAMILY\n\ | |
2599 | is a font family, and FIXED-P is non-nil if fonts of that family\n\ | |
2600 | are fixed-pitch.") | |
2601 | (frame) | |
2602 | Lisp_Object frame; | |
2603 | { | |
2604 | struct frame *f = check_x_frame (frame); | |
2605 | int nfonts, i; | |
2606 | struct font_name *fonts; | |
2607 | Lisp_Object result; | |
2608 | struct gcpro gcpro1; | |
057df17c GM |
2609 | int count = specpdl_ptr - specpdl; |
2610 | int limit; | |
2611 | ||
2612 | /* Let's consider all fonts. Increase the limit for matching | |
2613 | fonts until we have them all. */ | |
2614 | for (limit = 500;;) | |
2615 | { | |
2616 | specbind (intern ("font-list-limit"), make_number (limit)); | |
39506348 | 2617 | nfonts = font_list (f, Qnil, Qnil, Qnil, &fonts); |
178c5d9c | 2618 | |
057df17c GM |
2619 | if (nfonts == limit) |
2620 | { | |
2621 | free_font_names (fonts, nfonts); | |
2622 | limit *= 2; | |
2623 | } | |
2624 | else | |
2625 | break; | |
2626 | } | |
178c5d9c | 2627 | |
82641697 GM |
2628 | result = Qnil; |
2629 | GCPRO1 (result); | |
2630 | for (i = nfonts - 1; i >= 0; --i) | |
2631 | result = Fcons (Fcons (build_string (fonts[i].fields[XLFD_FAMILY]), | |
2632 | xlfd_fixed_p (fonts + i) ? Qt : Qnil), | |
2633 | result); | |
2634 | ||
2635 | remove_duplicates (result); | |
2636 | free_font_names (fonts, nfonts); | |
2637 | UNGCPRO; | |
057df17c | 2638 | return unbind_to (count, result); |
82641697 GM |
2639 | } |
2640 | ||
2641 | ||
2642 | DEFUN ("x-list-fonts", Fx_list_fonts, Sx_list_fonts, 1, 5, 0, | |
2643 | "Return a list of the names of available fonts matching PATTERN.\n\ | |
2644 | If optional arguments FACE and FRAME are specified, return only fonts\n\ | |
2645 | the same size as FACE on FRAME.\n\ | |
2646 | PATTERN is a string, perhaps with wildcard characters;\n\ | |
2647 | the * character matches any substring, and\n\ | |
2648 | the ? character matches any single character.\n\ | |
2649 | PATTERN is case-insensitive.\n\ | |
2650 | FACE is a face name--a symbol.\n\ | |
2651 | \n\ | |
2652 | The return value is a list of strings, suitable as arguments to\n\ | |
2653 | set-face-font.\n\ | |
2654 | \n\ | |
2655 | Fonts Emacs can't use may or may not be excluded\n\ | |
2656 | even if they match PATTERN and FACE.\n\ | |
2657 | The optional fourth argument MAXIMUM sets a limit on how many\n\ | |
2658 | fonts to match. The first MAXIMUM fonts are reported.\n\ | |
2659 | The optional fifth argument WIDTH, if specified, is a number of columns\n\ | |
2660 | occupied by a character of a font. In that case, return only fonts\n\ | |
2661 | the WIDTH times as wide as FACE on FRAME.") | |
2662 | (pattern, face, frame, maximum, width) | |
2663 | Lisp_Object pattern, face, frame, maximum, width; | |
2664 | { | |
2665 | struct frame *f; | |
2666 | int size; | |
2667 | int maxnames; | |
2668 | ||
2669 | check_x (); | |
2670 | CHECK_STRING (pattern, 0); | |
178c5d9c | 2671 | |
82641697 GM |
2672 | if (NILP (maximum)) |
2673 | maxnames = 2000; | |
2674 | else | |
2675 | { | |
2676 | CHECK_NATNUM (maximum, 0); | |
2677 | maxnames = XINT (maximum); | |
2678 | } | |
2679 | ||
2680 | if (!NILP (width)) | |
2681 | CHECK_NUMBER (width, 4); | |
2682 | ||
2683 | /* We can't simply call check_x_frame because this function may be | |
2684 | called before any frame is created. */ | |
2685 | f = frame_or_selected_frame (frame, 2); | |
c3cee013 | 2686 | if (!FRAME_WINDOW_P (f)) |
82641697 GM |
2687 | { |
2688 | /* Perhaps we have not yet created any frame. */ | |
2689 | f = NULL; | |
2690 | face = Qnil; | |
2691 | } | |
2692 | ||
2693 | /* Determine the width standard for comparison with the fonts we find. */ | |
2694 | ||
2695 | if (NILP (face)) | |
2696 | size = 0; | |
2697 | else | |
2698 | { | |
2699 | /* This is of limited utility since it works with character | |
2700 | widths. Keep it for compatibility. --gerd. */ | |
39506348 | 2701 | int face_id = lookup_named_face (f, face, 0); |
82641697 GM |
2702 | struct face *face = FACE_FROM_ID (f, face_id); |
2703 | ||
2704 | if (face->font) | |
c3cee013 | 2705 | size = FONT_WIDTH (face->font); |
82641697 | 2706 | else |
c3cee013 | 2707 | size = FONT_WIDTH (FRAME_FONT (f)); |
82641697 GM |
2708 | |
2709 | if (!NILP (width)) | |
2710 | size *= XINT (width); | |
2711 | } | |
2712 | ||
2713 | { | |
2714 | Lisp_Object args[2]; | |
2715 | ||
2716 | args[0] = x_list_fonts (f, pattern, size, maxnames); | |
2717 | if (f == NULL) | |
2718 | /* We don't have to check fontsets. */ | |
2719 | return args[0]; | |
2720 | args[1] = list_fontsets (f, pattern, size); | |
2721 | return Fnconc (2, args); | |
2722 | } | |
2723 | } | |
2724 | ||
c3cee013 | 2725 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
2726 | |
2727 | ||
2728 | \f | |
2729 | /*********************************************************************** | |
2730 | Lisp Faces | |
2731 | ***********************************************************************/ | |
2732 | ||
2733 | /* Access face attributes of face FACE, a Lisp vector. */ | |
2734 | ||
2735 | #define LFACE_FAMILY(LFACE) \ | |
2736 | XVECTOR (LFACE)->contents[LFACE_FAMILY_INDEX] | |
2737 | #define LFACE_HEIGHT(LFACE) \ | |
2738 | XVECTOR (LFACE)->contents[LFACE_HEIGHT_INDEX] | |
2739 | #define LFACE_WEIGHT(LFACE) \ | |
2740 | XVECTOR (LFACE)->contents[LFACE_WEIGHT_INDEX] | |
2741 | #define LFACE_SLANT(LFACE) \ | |
2742 | XVECTOR (LFACE)->contents[LFACE_SLANT_INDEX] | |
2743 | #define LFACE_UNDERLINE(LFACE) \ | |
2744 | XVECTOR (LFACE)->contents[LFACE_UNDERLINE_INDEX] | |
2745 | #define LFACE_INVERSE(LFACE) \ | |
2746 | XVECTOR (LFACE)->contents[LFACE_INVERSE_INDEX] | |
2747 | #define LFACE_FOREGROUND(LFACE) \ | |
2748 | XVECTOR (LFACE)->contents[LFACE_FOREGROUND_INDEX] | |
2749 | #define LFACE_BACKGROUND(LFACE) \ | |
2750 | XVECTOR (LFACE)->contents[LFACE_BACKGROUND_INDEX] | |
2751 | #define LFACE_STIPPLE(LFACE) \ | |
2752 | XVECTOR (LFACE)->contents[LFACE_STIPPLE_INDEX] | |
2753 | #define LFACE_SWIDTH(LFACE) \ | |
2754 | XVECTOR (LFACE)->contents[LFACE_SWIDTH_INDEX] | |
2755 | #define LFACE_OVERLINE(LFACE) \ | |
2756 | XVECTOR (LFACE)->contents[LFACE_OVERLINE_INDEX] | |
2757 | #define LFACE_STRIKE_THROUGH(LFACE) \ | |
2758 | XVECTOR (LFACE)->contents[LFACE_STRIKE_THROUGH_INDEX] | |
2759 | #define LFACE_BOX(LFACE) \ | |
2760 | XVECTOR (LFACE)->contents[LFACE_BOX_INDEX] | |
39506348 KH |
2761 | #define LFACE_FONT(LFACE) \ |
2762 | XVECTOR (LFACE)->contents[LFACE_FONT_INDEX] | |
82641697 GM |
2763 | |
2764 | /* Non-zero if LFACE is a Lisp face. A Lisp face is a vector of size | |
2765 | LFACE_VECTOR_SIZE which has the symbol `face' in slot 0. */ | |
2766 | ||
2767 | #define LFACEP(LFACE) \ | |
2768 | (VECTORP (LFACE) \ | |
2769 | && XVECTOR (LFACE)->size == LFACE_VECTOR_SIZE \ | |
2770 | && EQ (XVECTOR (LFACE)->contents[0], Qface)) | |
2771 | ||
178c5d9c | 2772 | |
82641697 GM |
2773 | #if GLYPH_DEBUG |
2774 | ||
2775 | /* Check consistency of Lisp face attribute vector ATTRS. */ | |
2776 | ||
2777 | static void | |
2778 | check_lface_attrs (attrs) | |
2779 | Lisp_Object *attrs; | |
2780 | { | |
2781 | xassert (UNSPECIFIEDP (attrs[LFACE_FAMILY_INDEX]) | |
2782 | || STRINGP (attrs[LFACE_FAMILY_INDEX])); | |
2783 | xassert (UNSPECIFIEDP (attrs[LFACE_SWIDTH_INDEX]) | |
2784 | || SYMBOLP (attrs[LFACE_SWIDTH_INDEX])); | |
2785 | xassert (UNSPECIFIEDP (attrs[LFACE_HEIGHT_INDEX]) | |
2786 | || INTEGERP (attrs[LFACE_HEIGHT_INDEX])); | |
2787 | xassert (UNSPECIFIEDP (attrs[LFACE_WEIGHT_INDEX]) | |
2788 | || SYMBOLP (attrs[LFACE_WEIGHT_INDEX])); | |
2789 | xassert (UNSPECIFIEDP (attrs[LFACE_SLANT_INDEX]) | |
2790 | || SYMBOLP (attrs[LFACE_SLANT_INDEX])); | |
2791 | xassert (UNSPECIFIEDP (attrs[LFACE_UNDERLINE_INDEX]) | |
2792 | || SYMBOLP (attrs[LFACE_UNDERLINE_INDEX]) | |
2793 | || STRINGP (attrs[LFACE_UNDERLINE_INDEX])); | |
2794 | xassert (UNSPECIFIEDP (attrs[LFACE_OVERLINE_INDEX]) | |
2795 | || SYMBOLP (attrs[LFACE_OVERLINE_INDEX]) | |
2796 | || STRINGP (attrs[LFACE_OVERLINE_INDEX])); | |
2797 | xassert (UNSPECIFIEDP (attrs[LFACE_STRIKE_THROUGH_INDEX]) | |
2798 | || SYMBOLP (attrs[LFACE_STRIKE_THROUGH_INDEX]) | |
2799 | || STRINGP (attrs[LFACE_STRIKE_THROUGH_INDEX])); | |
2800 | xassert (UNSPECIFIEDP (attrs[LFACE_BOX_INDEX]) | |
2801 | || SYMBOLP (attrs[LFACE_BOX_INDEX]) | |
2802 | || STRINGP (attrs[LFACE_BOX_INDEX]) | |
2803 | || INTEGERP (attrs[LFACE_BOX_INDEX]) | |
2804 | || CONSP (attrs[LFACE_BOX_INDEX])); | |
2805 | xassert (UNSPECIFIEDP (attrs[LFACE_INVERSE_INDEX]) | |
2806 | || SYMBOLP (attrs[LFACE_INVERSE_INDEX])); | |
2807 | xassert (UNSPECIFIEDP (attrs[LFACE_FOREGROUND_INDEX]) | |
2808 | || STRINGP (attrs[LFACE_FOREGROUND_INDEX])); | |
2809 | xassert (UNSPECIFIEDP (attrs[LFACE_BACKGROUND_INDEX]) | |
2810 | || STRINGP (attrs[LFACE_BACKGROUND_INDEX])); | |
2811 | #ifdef HAVE_WINDOW_SYSTEM | |
2812 | xassert (UNSPECIFIEDP (attrs[LFACE_STIPPLE_INDEX]) | |
2813 | || SYMBOLP (attrs[LFACE_STIPPLE_INDEX]) | |
fef04523 | 2814 | || !NILP (Fbitmap_spec_p (attrs[LFACE_STIPPLE_INDEX]))); |
39506348 | 2815 | xassert (UNSPECIFIEDP (attrs[LFACE_FONT_INDEX]) |
d2cafc8c GM |
2816 | || NILP (attrs[LFACE_FONT_INDEX]) |
2817 | || STRINGP (attrs[LFACE_FONT_INDEX])); | |
82641697 GM |
2818 | #endif |
2819 | } | |
2820 | ||
2821 | ||
2822 | /* Check consistency of attributes of Lisp face LFACE (a Lisp vector). */ | |
2823 | ||
2824 | static void | |
2825 | check_lface (lface) | |
2826 | Lisp_Object lface; | |
2827 | { | |
2828 | if (!NILP (lface)) | |
2829 | { | |
2830 | xassert (LFACEP (lface)); | |
2831 | check_lface_attrs (XVECTOR (lface)->contents); | |
2832 | } | |
2833 | } | |
2834 | ||
2835 | #else /* GLYPH_DEBUG == 0 */ | |
2836 | ||
2837 | #define check_lface_attrs(attrs) (void) 0 | |
2838 | #define check_lface(lface) (void) 0 | |
2839 | ||
2840 | #endif /* GLYPH_DEBUG == 0 */ | |
2841 | ||
2842 | ||
39506348 | 2843 | /* Resolve face name FACE_NAME. If FACE_NAME is a string, intern it |
c7ae3284 GM |
2844 | to make it a symvol. If FACE_NAME is an alias for another face, |
2845 | return that face's name. */ | |
2846 | ||
2847 | static Lisp_Object | |
2848 | resolve_face_name (face_name) | |
2849 | Lisp_Object face_name; | |
2850 | { | |
2851 | Lisp_Object aliased; | |
178c5d9c | 2852 | |
c7ae3284 GM |
2853 | if (STRINGP (face_name)) |
2854 | face_name = intern (XSTRING (face_name)->data); | |
2855 | ||
2856 | for (;;) | |
2857 | { | |
2858 | aliased = Fget (face_name, Qface_alias); | |
2859 | if (NILP (aliased)) | |
2860 | break; | |
2861 | else | |
2862 | face_name = aliased; | |
2863 | } | |
2864 | ||
2865 | return face_name; | |
2866 | } | |
2867 | ||
2868 | ||
82641697 GM |
2869 | /* Return the face definition of FACE_NAME on frame F. F null means |
2870 | return the global definition. FACE_NAME may be a string or a | |
2871 | symbol (apparently Emacs 20.2 allows strings as face names in face | |
92610620 GM |
2872 | text properties; ediff uses that). If FACE_NAME is an alias for |
2873 | another face, return that face's definition. If SIGNAL_P is | |
2874 | non-zero, signal an error if FACE_NAME is not a valid face name. | |
2875 | If SIGNAL_P is zero, value is nil if FACE_NAME is not a valid face | |
2876 | name. */ | |
82641697 GM |
2877 | |
2878 | static INLINE Lisp_Object | |
2879 | lface_from_face_name (f, face_name, signal_p) | |
2880 | struct frame *f; | |
2881 | Lisp_Object face_name; | |
2882 | int signal_p; | |
2883 | { | |
c7ae3284 | 2884 | Lisp_Object lface; |
82641697 | 2885 | |
c7ae3284 | 2886 | face_name = resolve_face_name (face_name); |
92610620 | 2887 | |
82641697 GM |
2888 | if (f) |
2889 | lface = assq_no_quit (face_name, f->face_alist); | |
2890 | else | |
2891 | lface = assq_no_quit (face_name, Vface_new_frame_defaults); | |
2892 | ||
2893 | if (CONSP (lface)) | |
2894 | lface = XCDR (lface); | |
2895 | else if (signal_p) | |
2896 | signal_error ("Invalid face", face_name); | |
2897 | ||
2898 | check_lface (lface); | |
2899 | return lface; | |
2900 | } | |
2901 | ||
2902 | ||
2903 | /* Get face attributes of face FACE_NAME from frame-local faces on | |
2904 | frame F. Store the resulting attributes in ATTRS which must point | |
2905 | to a vector of Lisp_Objects of size LFACE_VECTOR_SIZE. If SIGNAL_P | |
2906 | is non-zero, signal an error if FACE_NAME does not name a face. | |
2907 | Otherwise, value is zero if FACE_NAME is not a face. */ | |
2908 | ||
2909 | static INLINE int | |
2910 | get_lface_attributes (f, face_name, attrs, signal_p) | |
2911 | struct frame *f; | |
2912 | Lisp_Object face_name; | |
2913 | Lisp_Object *attrs; | |
2914 | int signal_p; | |
2915 | { | |
2916 | Lisp_Object lface; | |
2917 | int success_p; | |
2918 | ||
2919 | lface = lface_from_face_name (f, face_name, signal_p); | |
2920 | if (!NILP (lface)) | |
2921 | { | |
2922 | bcopy (XVECTOR (lface)->contents, attrs, | |
2923 | LFACE_VECTOR_SIZE * sizeof *attrs); | |
2924 | success_p = 1; | |
2925 | } | |
2926 | else | |
2927 | success_p = 0; | |
2928 | ||
2929 | return success_p; | |
2930 | } | |
2931 | ||
2932 | ||
2933 | /* Non-zero if all attributes in face attribute vector ATTRS are | |
2934 | specified, i.e. are non-nil. */ | |
2935 | ||
2936 | static int | |
2937 | lface_fully_specified_p (attrs) | |
2938 | Lisp_Object *attrs; | |
2939 | { | |
2940 | int i; | |
2941 | ||
2942 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
d2cafc8c | 2943 | if (UNSPECIFIEDP (attrs[i]) && i != LFACE_FONT_INDEX) |
82641697 GM |
2944 | break; |
2945 | ||
2946 | return i == LFACE_VECTOR_SIZE; | |
2947 | } | |
2948 | ||
c3cee013 | 2949 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 2950 | |
39506348 KH |
2951 | /* Set font-related attributes of Lisp face LFACE from the fullname of |
2952 | the font opened by FONTNAME. If FORCE_P is zero, set only | |
2953 | unspecified attributes of LFACE. The exception is `font' | |
2954 | attribute. It is set to FONTNAME as is regardless of FORCE_P. | |
2955 | ||
2956 | If FONTNAME is not available on frame F, | |
2957 | return 0 if MAY_FAIL_P is non-zero, otherwise abort. | |
2958 | If the fullname is not in a valid XLFD format, | |
2959 | return 0 if MAY_FAIL_P is non-zero, otherwise set normal values | |
2960 | in LFACE and return 1. | |
2961 | Otherwise, return 1. */ | |
178c5d9c | 2962 | |
82641697 | 2963 | static int |
39506348 | 2964 | set_lface_from_font_name (f, lface, fontname, force_p, may_fail_p) |
82641697 GM |
2965 | struct frame *f; |
2966 | Lisp_Object lface; | |
39506348 | 2967 | Lisp_Object fontname; |
3221576b | 2968 | int force_p, may_fail_p; |
82641697 GM |
2969 | { |
2970 | struct font_name font; | |
2971 | char *buffer; | |
2972 | int pt; | |
39506348 KH |
2973 | int have_xlfd_p; |
2974 | int fontset; | |
2975 | char *font_name = XSTRING (fontname)->data; | |
2976 | struct font_info *font_info; | |
82641697 | 2977 | |
39506348 KH |
2978 | /* If FONTNAME is actually a fontset name, get ASCII font name of it. */ |
2979 | fontset = fs_query_fontset (fontname, 0); | |
2980 | if (fontset >= 0) | |
2981 | font_name = XSTRING (fontset_ascii (fontset))->data; | |
2982 | ||
2983 | /* Check if FONT_NAME is surely available on the system. Usually | |
2984 | FONT_NAME is already cached for the frame F and FS_LOAD_FONT | |
2985 | returns quickly. But, even if FONT_NAME is not yet cached, | |
2986 | caching it now is not futail because we anyway load the font | |
2987 | later. */ | |
2988 | BLOCK_INPUT; | |
2989 | font_info = FS_LOAD_FONT (f, 0, font_name, -1); | |
2990 | UNBLOCK_INPUT; | |
82641697 | 2991 | |
39506348 | 2992 | if (!font_info) |
3221576b GM |
2993 | { |
2994 | if (may_fail_p) | |
2995 | return 0; | |
39506348 | 2996 | abort (); |
3221576b | 2997 | } |
39506348 KH |
2998 | |
2999 | font.name = STRDUPA (font_info->full_name); | |
3000 | have_xlfd_p = split_font_name (f, &font, 1); | |
3221576b | 3001 | |
82641697 | 3002 | /* Set attributes only if unspecified, otherwise face defaults for |
39506348 KH |
3003 | new frames would never take effect. If we couldn't get a font |
3004 | name conforming to XLFD, set normal values. */ | |
178c5d9c | 3005 | |
82641697 GM |
3006 | if (force_p || UNSPECIFIEDP (LFACE_FAMILY (lface))) |
3007 | { | |
39506348 KH |
3008 | Lisp_Object val; |
3009 | if (have_xlfd_p) | |
3010 | { | |
3011 | buffer = (char *) alloca (strlen (font.fields[XLFD_FAMILY]) | |
3012 | + strlen (font.fields[XLFD_FOUNDRY]) | |
3013 | + 2); | |
3014 | sprintf (buffer, "%s-%s", font.fields[XLFD_FOUNDRY], | |
3015 | font.fields[XLFD_FAMILY]); | |
3016 | val = build_string (buffer); | |
3017 | } | |
3018 | else | |
3019 | val = build_string ("*"); | |
3020 | LFACE_FAMILY (lface) = val; | |
82641697 GM |
3021 | } |
3022 | ||
3023 | if (force_p || UNSPECIFIEDP (LFACE_HEIGHT (lface))) | |
3024 | { | |
39506348 KH |
3025 | if (have_xlfd_p) |
3026 | pt = xlfd_point_size (f, &font); | |
3027 | else | |
3028 | pt = pixel_point_size (f, font_info->height * 10); | |
82641697 GM |
3029 | xassert (pt > 0); |
3030 | LFACE_HEIGHT (lface) = make_number (pt); | |
3031 | } | |
3032 | ||
3033 | if (force_p || UNSPECIFIEDP (LFACE_SWIDTH (lface))) | |
39506348 KH |
3034 | LFACE_SWIDTH (lface) |
3035 | = have_xlfd_p ? xlfd_symbolic_swidth (&font) : Qnormal; | |
82641697 GM |
3036 | |
3037 | if (force_p || UNSPECIFIEDP (LFACE_WEIGHT (lface))) | |
39506348 KH |
3038 | LFACE_WEIGHT (lface) |
3039 | = have_xlfd_p ? xlfd_symbolic_weight (&font) : Qnormal; | |
82641697 GM |
3040 | |
3041 | if (force_p || UNSPECIFIEDP (LFACE_SLANT (lface))) | |
39506348 KH |
3042 | LFACE_SLANT (lface) |
3043 | = have_xlfd_p ? xlfd_symbolic_slant (&font) : Qnormal; | |
82641697 | 3044 | |
39506348 | 3045 | LFACE_FONT (lface) = fontname; |
178c5d9c | 3046 | |
82641697 GM |
3047 | return 1; |
3048 | } | |
c3cee013 | 3049 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
3050 | |
3051 | ||
3052 | /* Merge two Lisp face attribute vectors FROM and TO and store the | |
3053 | resulting attributes in TO. Every non-nil attribute of FROM | |
3054 | overrides the corresponding attribute of TO. */ | |
3055 | ||
3056 | static INLINE void | |
3057 | merge_face_vectors (from, to) | |
3058 | Lisp_Object *from, *to; | |
3059 | { | |
3060 | int i; | |
3061 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
3062 | if (!UNSPECIFIEDP (from[i])) | |
3063 | to[i] = from[i]; | |
3064 | } | |
3065 | ||
3066 | ||
3067 | /* Given a Lisp face attribute vector TO and a Lisp object PROP that | |
3068 | is a face property, determine the resulting face attributes on | |
3069 | frame F, and store them in TO. PROP may be a single face | |
3070 | specification or a list of such specifications. Each face | |
3071 | specification can be | |
3072 | ||
3073 | 1. A symbol or string naming a Lisp face. | |
3074 | ||
3075 | 2. A property list of the form (KEYWORD VALUE ...) where each | |
3076 | KEYWORD is a face attribute name, and value is an appropriate value | |
3077 | for that attribute. | |
3078 | ||
3079 | 3. Conses or the form (FOREGROUND-COLOR . COLOR) or | |
3080 | (BACKGROUND-COLOR . COLOR) where COLOR is a color name. This is | |
3081 | for compatibility with 20.2. | |
3082 | ||
3083 | Face specifications earlier in lists take precedence over later | |
3084 | specifications. */ | |
178c5d9c | 3085 | |
82641697 GM |
3086 | static void |
3087 | merge_face_vector_with_property (f, to, prop) | |
3088 | struct frame *f; | |
3089 | Lisp_Object *to; | |
3090 | Lisp_Object prop; | |
3091 | { | |
3092 | if (CONSP (prop)) | |
3093 | { | |
3094 | Lisp_Object first = XCAR (prop); | |
178c5d9c | 3095 | |
82641697 GM |
3096 | if (EQ (first, Qforeground_color) |
3097 | || EQ (first, Qbackground_color)) | |
3098 | { | |
3099 | /* One of (FOREGROUND-COLOR . COLOR) or (BACKGROUND-COLOR | |
3100 | . COLOR). COLOR must be a string. */ | |
3101 | Lisp_Object color_name = XCDR (prop); | |
3102 | Lisp_Object color = first; | |
3103 | ||
3104 | if (STRINGP (color_name)) | |
3105 | { | |
3106 | if (EQ (color, Qforeground_color)) | |
3107 | to[LFACE_FOREGROUND_INDEX] = color_name; | |
3108 | else | |
3109 | to[LFACE_BACKGROUND_INDEX] = color_name; | |
3110 | } | |
3111 | else | |
1b8f7fbc | 3112 | add_to_log ("Invalid face color", color_name, Qnil); |
82641697 GM |
3113 | } |
3114 | else if (SYMBOLP (first) | |
3115 | && *XSYMBOL (first)->name->data == ':') | |
3116 | { | |
3117 | /* Assume this is the property list form. */ | |
3118 | while (CONSP (prop) && CONSP (XCDR (prop))) | |
3119 | { | |
3120 | Lisp_Object keyword = XCAR (prop); | |
3121 | Lisp_Object value = XCAR (XCDR (prop)); | |
3122 | ||
3123 | if (EQ (keyword, QCfamily)) | |
3124 | { | |
3125 | if (STRINGP (value)) | |
3126 | to[LFACE_FAMILY_INDEX] = value; | |
3127 | else | |
1a948b17 | 3128 | add_to_log ("Invalid face font family", value, Qnil); |
82641697 GM |
3129 | } |
3130 | else if (EQ (keyword, QCheight)) | |
3131 | { | |
3132 | if (INTEGERP (value)) | |
3133 | to[LFACE_HEIGHT_INDEX] = value; | |
3134 | else | |
1a948b17 | 3135 | add_to_log ("Invalid face font height", value, Qnil); |
82641697 GM |
3136 | } |
3137 | else if (EQ (keyword, QCweight)) | |
3138 | { | |
3139 | if (SYMBOLP (value) | |
3140 | && face_numeric_weight (value) >= 0) | |
3141 | to[LFACE_WEIGHT_INDEX] = value; | |
3142 | else | |
1a948b17 | 3143 | add_to_log ("Invalid face weight", value, Qnil); |
82641697 GM |
3144 | } |
3145 | else if (EQ (keyword, QCslant)) | |
3146 | { | |
3147 | if (SYMBOLP (value) | |
3148 | && face_numeric_slant (value) >= 0) | |
3149 | to[LFACE_SLANT_INDEX] = value; | |
3150 | else | |
1a948b17 | 3151 | add_to_log ("Invalid face slant", value, Qnil); |
82641697 GM |
3152 | } |
3153 | else if (EQ (keyword, QCunderline)) | |
3154 | { | |
3155 | if (EQ (value, Qt) | |
3156 | || NILP (value) | |
3157 | || STRINGP (value)) | |
3158 | to[LFACE_UNDERLINE_INDEX] = value; | |
3159 | else | |
1a948b17 | 3160 | add_to_log ("Invalid face underline", value, Qnil); |
82641697 GM |
3161 | } |
3162 | else if (EQ (keyword, QCoverline)) | |
3163 | { | |
3164 | if (EQ (value, Qt) | |
3165 | || NILP (value) | |
3166 | || STRINGP (value)) | |
3167 | to[LFACE_OVERLINE_INDEX] = value; | |
3168 | else | |
1a948b17 | 3169 | add_to_log ("Invalid face overline", value, Qnil); |
82641697 GM |
3170 | } |
3171 | else if (EQ (keyword, QCstrike_through)) | |
3172 | { | |
3173 | if (EQ (value, Qt) | |
3174 | || NILP (value) | |
3175 | || STRINGP (value)) | |
3176 | to[LFACE_STRIKE_THROUGH_INDEX] = value; | |
3177 | else | |
1a948b17 | 3178 | add_to_log ("Invalid face strike-through", value, Qnil); |
82641697 GM |
3179 | } |
3180 | else if (EQ (keyword, QCbox)) | |
3181 | { | |
3182 | if (EQ (value, Qt)) | |
3183 | value = make_number (1); | |
3184 | if (INTEGERP (value) | |
3185 | || STRINGP (value) | |
3186 | || CONSP (value) | |
3187 | || NILP (value)) | |
3188 | to[LFACE_BOX_INDEX] = value; | |
3189 | else | |
1a948b17 | 3190 | add_to_log ("Invalid face box", value, Qnil); |
82641697 GM |
3191 | } |
3192 | else if (EQ (keyword, QCinverse_video) | |
3193 | || EQ (keyword, QCreverse_video)) | |
3194 | { | |
3195 | if (EQ (value, Qt) || NILP (value)) | |
3196 | to[LFACE_INVERSE_INDEX] = value; | |
3197 | else | |
1a948b17 | 3198 | add_to_log ("Invalid face inverse-video", value, Qnil); |
82641697 GM |
3199 | } |
3200 | else if (EQ (keyword, QCforeground)) | |
3201 | { | |
3202 | if (STRINGP (value)) | |
3203 | to[LFACE_FOREGROUND_INDEX] = value; | |
3204 | else | |
1a948b17 | 3205 | add_to_log ("Invalid face foreground", value, Qnil); |
82641697 GM |
3206 | } |
3207 | else if (EQ (keyword, QCbackground)) | |
3208 | { | |
3209 | if (STRINGP (value)) | |
3210 | to[LFACE_BACKGROUND_INDEX] = value; | |
3211 | else | |
1a948b17 | 3212 | add_to_log ("Invalid face background", value, Qnil); |
82641697 GM |
3213 | } |
3214 | else if (EQ (keyword, QCstipple)) | |
3215 | { | |
3216 | #ifdef HAVE_X_WINDOWS | |
fef04523 | 3217 | Lisp_Object pixmap_p = Fbitmap_spec_p (value); |
82641697 GM |
3218 | if (!NILP (pixmap_p)) |
3219 | to[LFACE_STIPPLE_INDEX] = value; | |
3220 | else | |
1a948b17 | 3221 | add_to_log ("Invalid face stipple", value, Qnil); |
82641697 GM |
3222 | #endif |
3223 | } | |
3224 | else if (EQ (keyword, QCwidth)) | |
3225 | { | |
3226 | if (SYMBOLP (value) | |
3227 | && face_numeric_swidth (value) >= 0) | |
3228 | to[LFACE_SWIDTH_INDEX] = value; | |
3229 | else | |
1a948b17 | 3230 | add_to_log ("Invalid face width", value, Qnil); |
82641697 GM |
3231 | } |
3232 | else | |
1b8f7fbc | 3233 | add_to_log ("Invalid attribute %s in face property", |
7dbdfcf8 | 3234 | keyword, Qnil); |
82641697 GM |
3235 | |
3236 | prop = XCDR (XCDR (prop)); | |
3237 | } | |
3238 | } | |
3239 | else | |
3240 | { | |
3241 | /* This is a list of face specs. Specifications at the | |
3242 | beginning of the list take precedence over later | |
3243 | specifications, so we have to merge starting with the | |
3244 | last specification. */ | |
3245 | Lisp_Object next = XCDR (prop); | |
3246 | if (!NILP (next)) | |
3247 | merge_face_vector_with_property (f, to, next); | |
3248 | merge_face_vector_with_property (f, to, first); | |
3249 | } | |
3250 | } | |
3251 | else | |
3252 | { | |
3253 | /* PROP ought to be a face name. */ | |
3254 | Lisp_Object lface = lface_from_face_name (f, prop, 0); | |
3255 | if (NILP (lface)) | |
1b8f7fbc | 3256 | add_to_log ("Invalid face text property value: %s", prop, Qnil); |
82641697 GM |
3257 | else |
3258 | merge_face_vectors (XVECTOR (lface)->contents, to); | |
3259 | } | |
3260 | } | |
3261 | ||
3262 | ||
3263 | DEFUN ("internal-make-lisp-face", Finternal_make_lisp_face, | |
3264 | Sinternal_make_lisp_face, 1, 2, 0, | |
3265 | "Make FACE, a symbol, a Lisp face with all attributes nil.\n\ | |
3266 | If FACE was not known as a face before, create a new one.\n\ | |
3267 | If optional argument FRAME is specified, make a frame-local face\n\ | |
3268 | for that frame. Otherwise operate on the global face definition.\n\ | |
3269 | Value is a vector of face attributes.") | |
3270 | (face, frame) | |
3271 | Lisp_Object face, frame; | |
3272 | { | |
3273 | Lisp_Object global_lface, lface; | |
3274 | struct frame *f; | |
3275 | int i; | |
3276 | ||
3277 | CHECK_SYMBOL (face, 0); | |
3278 | global_lface = lface_from_face_name (NULL, face, 0); | |
178c5d9c | 3279 | |
82641697 GM |
3280 | if (!NILP (frame)) |
3281 | { | |
3282 | CHECK_LIVE_FRAME (frame, 1); | |
3283 | f = XFRAME (frame); | |
3284 | lface = lface_from_face_name (f, face, 0); | |
3285 | } | |
3286 | else | |
3287 | f = NULL, lface = Qnil; | |
3288 | ||
3289 | /* Add a global definition if there is none. */ | |
3290 | if (NILP (global_lface)) | |
3291 | { | |
3292 | global_lface = Fmake_vector (make_number (LFACE_VECTOR_SIZE), | |
3293 | Qunspecified); | |
3294 | XVECTOR (global_lface)->contents[0] = Qface; | |
178c5d9c | 3295 | Vface_new_frame_defaults = Fcons (Fcons (face, global_lface), |
82641697 | 3296 | Vface_new_frame_defaults); |
178c5d9c | 3297 | |
82641697 GM |
3298 | /* Assign the new Lisp face a unique ID. The mapping from Lisp |
3299 | face id to Lisp face is given by the vector lface_id_to_name. | |
3300 | The mapping from Lisp face to Lisp face id is given by the | |
3301 | property `face' of the Lisp face name. */ | |
3302 | if (next_lface_id == lface_id_to_name_size) | |
3303 | { | |
3304 | int new_size = max (50, 2 * lface_id_to_name_size); | |
3305 | int sz = new_size * sizeof *lface_id_to_name; | |
3306 | lface_id_to_name = (Lisp_Object *) xrealloc (lface_id_to_name, sz); | |
3307 | lface_id_to_name_size = new_size; | |
3308 | } | |
178c5d9c | 3309 | |
82641697 GM |
3310 | lface_id_to_name[next_lface_id] = face; |
3311 | Fput (face, Qface, make_number (next_lface_id)); | |
3312 | ++next_lface_id; | |
3313 | } | |
3314 | else if (f == NULL) | |
3315 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
3316 | XVECTOR (global_lface)->contents[i] = Qunspecified; | |
178c5d9c | 3317 | |
82641697 GM |
3318 | /* Add a frame-local definition. */ |
3319 | if (f) | |
3320 | { | |
3321 | if (NILP (lface)) | |
3322 | { | |
3323 | lface = Fmake_vector (make_number (LFACE_VECTOR_SIZE), | |
3324 | Qunspecified); | |
3325 | XVECTOR (lface)->contents[0] = Qface; | |
3326 | f->face_alist = Fcons (Fcons (face, lface), f->face_alist); | |
3327 | } | |
3328 | else | |
3329 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
3330 | XVECTOR (lface)->contents[i] = Qunspecified; | |
3331 | } | |
3332 | else | |
3333 | lface = global_lface; | |
3334 | ||
3335 | xassert (LFACEP (lface)); | |
3336 | check_lface (lface); | |
3337 | return lface; | |
3338 | } | |
3339 | ||
3340 | ||
3341 | DEFUN ("internal-lisp-face-p", Finternal_lisp_face_p, | |
3342 | Sinternal_lisp_face_p, 1, 2, 0, | |
3343 | "Return non-nil if FACE names a face.\n\ | |
3344 | If optional second parameter FRAME is non-nil, check for the\n\ | |
3345 | existence of a frame-local face with name FACE on that frame.\n\ | |
3346 | Otherwise check for the existence of a global face.") | |
3347 | (face, frame) | |
3348 | Lisp_Object face, frame; | |
3349 | { | |
3350 | Lisp_Object lface; | |
178c5d9c | 3351 | |
82641697 GM |
3352 | if (!NILP (frame)) |
3353 | { | |
3354 | CHECK_LIVE_FRAME (frame, 1); | |
3355 | lface = lface_from_face_name (XFRAME (frame), face, 0); | |
3356 | } | |
3357 | else | |
3358 | lface = lface_from_face_name (NULL, face, 0); | |
3359 | ||
3360 | return lface; | |
3361 | } | |
3362 | ||
3363 | ||
3364 | DEFUN ("internal-copy-lisp-face", Finternal_copy_lisp_face, | |
3365 | Sinternal_copy_lisp_face, 4, 4, 0, | |
3366 | "Copy face FROM to TO.\n\ | |
3367 | If FRAME it t, copy the global face definition of FROM to the\n\ | |
3368 | global face definition of TO. Otherwise, copy the frame-local\n\ | |
3369 | definition of FROM on FRAME to the frame-local definition of TO\n\ | |
3370 | on NEW-FRAME, or FRAME if NEW-FRAME is nil.\n\ | |
3371 | \n\ | |
3372 | Value is TO.") | |
3373 | (from, to, frame, new_frame) | |
3374 | Lisp_Object from, to, frame, new_frame; | |
3375 | { | |
3376 | Lisp_Object lface, copy; | |
178c5d9c | 3377 | |
82641697 GM |
3378 | CHECK_SYMBOL (from, 0); |
3379 | CHECK_SYMBOL (to, 1); | |
3380 | if (NILP (new_frame)) | |
3381 | new_frame = frame; | |
3382 | ||
3383 | if (EQ (frame, Qt)) | |
3384 | { | |
3385 | /* Copy global definition of FROM. We don't make copies of | |
3386 | strings etc. because 20.2 didn't do it either. */ | |
3387 | lface = lface_from_face_name (NULL, from, 1); | |
3388 | copy = Finternal_make_lisp_face (to, Qnil); | |
3389 | } | |
3390 | else | |
3391 | { | |
3392 | /* Copy frame-local definition of FROM. */ | |
3393 | CHECK_LIVE_FRAME (frame, 2); | |
3394 | CHECK_LIVE_FRAME (new_frame, 3); | |
3395 | lface = lface_from_face_name (XFRAME (frame), from, 1); | |
3396 | copy = Finternal_make_lisp_face (to, new_frame); | |
3397 | } | |
178c5d9c | 3398 | |
82641697 GM |
3399 | bcopy (XVECTOR (lface)->contents, XVECTOR (copy)->contents, |
3400 | LFACE_VECTOR_SIZE * sizeof (Lisp_Object)); | |
178c5d9c | 3401 | |
82641697 GM |
3402 | return to; |
3403 | } | |
3404 | ||
3405 | ||
3406 | DEFUN ("internal-set-lisp-face-attribute", Finternal_set_lisp_face_attribute, | |
3407 | Sinternal_set_lisp_face_attribute, 3, 4, 0, | |
3408 | "Set attribute ATTR of FACE to VALUE.\n\ | |
3409 | If optional argument FRAME is given, set the face attribute of face FACE\n\ | |
3410 | on that frame. If FRAME is t, set the attribute of the default for face\n\ | |
3411 | FACE (for new frames). If FRAME is omitted or nil, use the selected\n\ | |
3412 | frame.") | |
3413 | (face, attr, value, frame) | |
3414 | Lisp_Object face, attr, value, frame; | |
3415 | { | |
3416 | Lisp_Object lface; | |
3417 | Lisp_Object old_value = Qnil; | |
39506348 KH |
3418 | /* Set 1 if ATTR is QCfont. */ |
3419 | int font_attr_p = 0; | |
3420 | /* Set 1 if ATTR is one of font-related attributes other than QCfont. */ | |
82641697 | 3421 | int font_related_attr_p = 0; |
178c5d9c | 3422 | |
82641697 GM |
3423 | CHECK_SYMBOL (face, 0); |
3424 | CHECK_SYMBOL (attr, 1); | |
3425 | ||
c7ae3284 GM |
3426 | face = resolve_face_name (face); |
3427 | ||
82641697 GM |
3428 | /* Set lface to the Lisp attribute vector of FACE. */ |
3429 | if (EQ (frame, Qt)) | |
3430 | lface = lface_from_face_name (NULL, face, 1); | |
3431 | else | |
3432 | { | |
3433 | if (NILP (frame)) | |
c0617987 | 3434 | frame = selected_frame; |
178c5d9c | 3435 | |
82641697 GM |
3436 | CHECK_LIVE_FRAME (frame, 3); |
3437 | lface = lface_from_face_name (XFRAME (frame), face, 0); | |
178c5d9c | 3438 | |
82641697 GM |
3439 | /* If a frame-local face doesn't exist yet, create one. */ |
3440 | if (NILP (lface)) | |
3441 | lface = Finternal_make_lisp_face (face, frame); | |
3442 | } | |
3443 | ||
3444 | if (EQ (attr, QCfamily)) | |
3445 | { | |
3446 | if (!UNSPECIFIEDP (value)) | |
3447 | { | |
3448 | CHECK_STRING (value, 3); | |
3449 | if (XSTRING (value)->size == 0) | |
3450 | signal_error ("Invalid face family", value); | |
3451 | } | |
3452 | old_value = LFACE_FAMILY (lface); | |
3453 | LFACE_FAMILY (lface) = value; | |
3454 | font_related_attr_p = 1; | |
3455 | } | |
3456 | else if (EQ (attr, QCheight)) | |
3457 | { | |
3458 | if (!UNSPECIFIEDP (value)) | |
3459 | { | |
3460 | CHECK_NUMBER (value, 3); | |
3461 | if (XINT (value) <= 0) | |
3462 | signal_error ("Invalid face height", value); | |
3463 | } | |
3464 | old_value = LFACE_HEIGHT (lface); | |
3465 | LFACE_HEIGHT (lface) = value; | |
3466 | font_related_attr_p = 1; | |
3467 | } | |
3468 | else if (EQ (attr, QCweight)) | |
3469 | { | |
3470 | if (!UNSPECIFIEDP (value)) | |
3471 | { | |
3472 | CHECK_SYMBOL (value, 3); | |
3473 | if (face_numeric_weight (value) < 0) | |
3474 | signal_error ("Invalid face weight", value); | |
3475 | } | |
3476 | old_value = LFACE_WEIGHT (lface); | |
3477 | LFACE_WEIGHT (lface) = value; | |
3478 | font_related_attr_p = 1; | |
3479 | } | |
3480 | else if (EQ (attr, QCslant)) | |
3481 | { | |
3482 | if (!UNSPECIFIEDP (value)) | |
3483 | { | |
3484 | CHECK_SYMBOL (value, 3); | |
3485 | if (face_numeric_slant (value) < 0) | |
3486 | signal_error ("Invalid face slant", value); | |
3487 | } | |
3488 | old_value = LFACE_SLANT (lface); | |
3489 | LFACE_SLANT (lface) = value; | |
3490 | font_related_attr_p = 1; | |
3491 | } | |
3492 | else if (EQ (attr, QCunderline)) | |
3493 | { | |
3494 | if (!UNSPECIFIEDP (value)) | |
3495 | if ((SYMBOLP (value) | |
3496 | && !EQ (value, Qt) | |
3497 | && !EQ (value, Qnil)) | |
3498 | /* Underline color. */ | |
3499 | || (STRINGP (value) | |
3500 | && XSTRING (value)->size == 0)) | |
3501 | signal_error ("Invalid face underline", value); | |
178c5d9c | 3502 | |
82641697 GM |
3503 | old_value = LFACE_UNDERLINE (lface); |
3504 | LFACE_UNDERLINE (lface) = value; | |
3505 | } | |
3506 | else if (EQ (attr, QCoverline)) | |
3507 | { | |
3508 | if (!UNSPECIFIEDP (value)) | |
3509 | if ((SYMBOLP (value) | |
3510 | && !EQ (value, Qt) | |
3511 | && !EQ (value, Qnil)) | |
3512 | /* Overline color. */ | |
3513 | || (STRINGP (value) | |
3514 | && XSTRING (value)->size == 0)) | |
3515 | signal_error ("Invalid face overline", value); | |
178c5d9c | 3516 | |
82641697 GM |
3517 | old_value = LFACE_OVERLINE (lface); |
3518 | LFACE_OVERLINE (lface) = value; | |
3519 | } | |
3520 | else if (EQ (attr, QCstrike_through)) | |
3521 | { | |
3522 | if (!UNSPECIFIEDP (value)) | |
3523 | if ((SYMBOLP (value) | |
3524 | && !EQ (value, Qt) | |
3525 | && !EQ (value, Qnil)) | |
3526 | /* Strike-through color. */ | |
3527 | || (STRINGP (value) | |
3528 | && XSTRING (value)->size == 0)) | |
3529 | signal_error ("Invalid face strike-through", value); | |
178c5d9c | 3530 | |
82641697 GM |
3531 | old_value = LFACE_STRIKE_THROUGH (lface); |
3532 | LFACE_STRIKE_THROUGH (lface) = value; | |
3533 | } | |
3534 | else if (EQ (attr, QCbox)) | |
3535 | { | |
3536 | int valid_p; | |
178c5d9c | 3537 | |
82641697 GM |
3538 | /* Allow t meaning a simple box of width 1 in foreground color |
3539 | of the face. */ | |
3540 | if (EQ (value, Qt)) | |
3541 | value = make_number (1); | |
3542 | ||
3543 | if (UNSPECIFIEDP (value)) | |
3544 | valid_p = 1; | |
3545 | else if (NILP (value)) | |
3546 | valid_p = 1; | |
3547 | else if (INTEGERP (value)) | |
3548 | valid_p = XINT (value) > 0; | |
3549 | else if (STRINGP (value)) | |
3550 | valid_p = XSTRING (value)->size > 0; | |
3551 | else if (CONSP (value)) | |
3552 | { | |
3553 | Lisp_Object tem; | |
178c5d9c | 3554 | |
82641697 GM |
3555 | tem = value; |
3556 | while (CONSP (tem)) | |
3557 | { | |
3558 | Lisp_Object k, v; | |
3559 | ||
3560 | k = XCAR (tem); | |
3561 | tem = XCDR (tem); | |
3562 | if (!CONSP (tem)) | |
3563 | break; | |
3564 | v = XCAR (tem); | |
3565 | tem = XCDR (tem); | |
178c5d9c | 3566 | |
82641697 GM |
3567 | if (EQ (k, QCline_width)) |
3568 | { | |
3569 | if (!INTEGERP (v) || XINT (v) <= 0) | |
3570 | break; | |
3571 | } | |
3572 | else if (EQ (k, QCcolor)) | |
3573 | { | |
3574 | if (!STRINGP (v) || XSTRING (v)->size == 0) | |
3575 | break; | |
3576 | } | |
3577 | else if (EQ (k, QCstyle)) | |
3578 | { | |
3579 | if (!EQ (v, Qpressed_button) && !EQ (v, Qreleased_button)) | |
3580 | break; | |
3581 | } | |
3582 | else | |
3583 | break; | |
3584 | } | |
3585 | ||
3586 | valid_p = NILP (tem); | |
3587 | } | |
3588 | else | |
3589 | valid_p = 0; | |
3590 | ||
3591 | if (!valid_p) | |
3592 | signal_error ("Invalid face box", value); | |
178c5d9c | 3593 | |
82641697 GM |
3594 | old_value = LFACE_BOX (lface); |
3595 | LFACE_BOX (lface) = value; | |
3596 | } | |
3597 | else if (EQ (attr, QCinverse_video) | |
3598 | || EQ (attr, QCreverse_video)) | |
3599 | { | |
3600 | if (!UNSPECIFIEDP (value)) | |
3601 | { | |
3602 | CHECK_SYMBOL (value, 3); | |
3603 | if (!EQ (value, Qt) && !NILP (value)) | |
3604 | signal_error ("Invalid inverse-video face attribute value", value); | |
3605 | } | |
3606 | old_value = LFACE_INVERSE (lface); | |
3607 | LFACE_INVERSE (lface) = value; | |
3608 | } | |
3609 | else if (EQ (attr, QCforeground)) | |
3610 | { | |
ef917393 | 3611 | if (!UNSPECIFIEDP (value)) |
82641697 GM |
3612 | { |
3613 | /* Don't check for valid color names here because it depends | |
3614 | on the frame (display) whether the color will be valid | |
3615 | when the face is realized. */ | |
3616 | CHECK_STRING (value, 3); | |
3617 | if (XSTRING (value)->size == 0) | |
3618 | signal_error ("Empty foreground color value", value); | |
3619 | } | |
3620 | old_value = LFACE_FOREGROUND (lface); | |
3621 | LFACE_FOREGROUND (lface) = value; | |
3622 | } | |
3623 | else if (EQ (attr, QCbackground)) | |
3624 | { | |
ef917393 | 3625 | if (!UNSPECIFIEDP (value)) |
82641697 GM |
3626 | { |
3627 | /* Don't check for valid color names here because it depends | |
3628 | on the frame (display) whether the color will be valid | |
3629 | when the face is realized. */ | |
3630 | CHECK_STRING (value, 3); | |
3631 | if (XSTRING (value)->size == 0) | |
3632 | signal_error ("Empty background color value", value); | |
3633 | } | |
3634 | old_value = LFACE_BACKGROUND (lface); | |
3635 | LFACE_BACKGROUND (lface) = value; | |
3636 | } | |
3637 | else if (EQ (attr, QCstipple)) | |
3638 | { | |
3639 | #ifdef HAVE_X_WINDOWS | |
3640 | if (!UNSPECIFIEDP (value) | |
3641 | && !NILP (value) | |
fef04523 | 3642 | && NILP (Fbitmap_spec_p (value))) |
82641697 GM |
3643 | signal_error ("Invalid stipple attribute", value); |
3644 | old_value = LFACE_STIPPLE (lface); | |
3645 | LFACE_STIPPLE (lface) = value; | |
3646 | #endif /* HAVE_X_WINDOWS */ | |
3647 | } | |
3648 | else if (EQ (attr, QCwidth)) | |
3649 | { | |
3650 | if (!UNSPECIFIEDP (value)) | |
3651 | { | |
3652 | CHECK_SYMBOL (value, 3); | |
3653 | if (face_numeric_swidth (value) < 0) | |
3654 | signal_error ("Invalid face width", value); | |
3655 | } | |
3656 | old_value = LFACE_SWIDTH (lface); | |
3657 | LFACE_SWIDTH (lface) = value; | |
3658 | font_related_attr_p = 1; | |
3659 | } | |
3660 | else if (EQ (attr, QCfont)) | |
3661 | { | |
c3cee013 | 3662 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 GM |
3663 | /* Set font-related attributes of the Lisp face from an |
3664 | XLFD font name. */ | |
3665 | struct frame *f; | |
39506348 | 3666 | Lisp_Object tmp; |
82641697 GM |
3667 | |
3668 | CHECK_STRING (value, 3); | |
3669 | if (EQ (frame, Qt)) | |
c0617987 | 3670 | f = SELECTED_FRAME (); |
82641697 GM |
3671 | else |
3672 | f = check_x_frame (frame); | |
178c5d9c | 3673 | |
39506348 KH |
3674 | /* VALUE may be a fontset name or an alias of fontset. In such |
3675 | a case, use the base fontset name. */ | |
3676 | tmp = Fquery_fontset (value, Qnil); | |
3677 | if (!NILP (tmp)) | |
3678 | value = tmp; | |
3679 | ||
3680 | if (!set_lface_from_font_name (f, lface, value, 1, 1)) | |
3681 | signal_error ("Invalid font or fontset name", value); | |
3682 | ||
3683 | font_attr_p = 1; | |
c3cee013 | 3684 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
3685 | } |
3686 | else if (EQ (attr, QCbold)) | |
3687 | { | |
3688 | old_value = LFACE_WEIGHT (lface); | |
3689 | LFACE_WEIGHT (lface) = NILP (value) ? Qnormal : Qbold; | |
3690 | font_related_attr_p = 1; | |
3691 | } | |
3692 | else if (EQ (attr, QCitalic)) | |
3693 | { | |
3694 | old_value = LFACE_SLANT (lface); | |
3695 | LFACE_SLANT (lface) = NILP (value) ? Qnormal : Qitalic; | |
3696 | font_related_attr_p = 1; | |
3697 | } | |
3698 | else | |
3699 | signal_error ("Invalid face attribute name", attr); | |
3700 | ||
39506348 KH |
3701 | if (font_related_attr_p |
3702 | && !UNSPECIFIEDP (value)) | |
3703 | /* If a font-related attribute other than QCfont is specified, the | |
3704 | original `font' attribute nor that of default face is useless | |
3705 | to determine a new font. Thus, we set it to nil so that font | |
3706 | selection mechanism doesn't use it. */ | |
3707 | LFACE_FONT (lface) = Qnil; | |
3708 | ||
82641697 GM |
3709 | /* Changing a named face means that all realized faces depending on |
3710 | that face are invalid. Since we cannot tell which realized faces | |
3711 | depend on the face, make sure they are all removed. This is done | |
3712 | by incrementing face_change_count. The next call to | |
3713 | init_iterator will then free realized faces. */ | |
3714 | if (!EQ (frame, Qt) | |
3715 | && (EQ (attr, QCfont) | |
3716 | || NILP (Fequal (old_value, value)))) | |
3717 | { | |
3718 | ++face_change_count; | |
3719 | ++windows_or_buffers_changed; | |
3720 | } | |
3721 | ||
c3cee013 | 3722 | #ifdef HAVE_WINDOW_SYSTEM |
8bd201d6 GM |
3723 | |
3724 | if (!EQ (frame, Qt) | |
3725 | && !UNSPECIFIEDP (value) | |
82641697 | 3726 | && NILP (Fequal (old_value, value))) |
8bd201d6 GM |
3727 | { |
3728 | Lisp_Object param; | |
3729 | ||
3730 | param = Qnil; | |
178c5d9c | 3731 | |
8bd201d6 GM |
3732 | if (EQ (face, Qdefault)) |
3733 | { | |
3734 | /* Changed font-related attributes of the `default' face are | |
3735 | reflected in changed `font' frame parameters. */ | |
39506348 | 3736 | if ((font_related_attr_p || font_attr_p) |
8bd201d6 GM |
3737 | && lface_fully_specified_p (XVECTOR (lface)->contents)) |
3738 | set_font_frame_param (frame, lface); | |
3739 | else if (EQ (attr, QCforeground)) | |
3740 | param = Qforeground_color; | |
3741 | else if (EQ (attr, QCbackground)) | |
3742 | param = Qbackground_color; | |
3743 | } | |
c3cee013 | 3744 | #ifndef WINDOWSNT |
8bd201d6 GM |
3745 | else if (EQ (face, Qscroll_bar)) |
3746 | { | |
3747 | /* Changing the colors of `scroll-bar' sets frame parameters | |
3748 | `scroll-bar-foreground' and `scroll-bar-background'. */ | |
3749 | if (EQ (attr, QCforeground)) | |
3750 | param = Qscroll_bar_foreground; | |
3751 | else if (EQ (attr, QCbackground)) | |
3752 | param = Qscroll_bar_background; | |
3753 | } | |
c3cee013 | 3754 | #endif |
8bd201d6 GM |
3755 | else if (EQ (face, Qborder)) |
3756 | { | |
3757 | /* Changing background color of `border' sets frame parameter | |
3758 | `border-color'. */ | |
3759 | if (EQ (attr, QCbackground)) | |
3760 | param = Qborder_color; | |
3761 | } | |
3762 | else if (EQ (face, Qcursor)) | |
3763 | { | |
3764 | /* Changing background color of `cursor' sets frame parameter | |
3765 | `cursor-color'. */ | |
3766 | if (EQ (attr, QCbackground)) | |
3767 | param = Qcursor_color; | |
3768 | } | |
3769 | else if (EQ (face, Qmouse)) | |
3770 | { | |
3771 | /* Changing background color of `mouse' sets frame parameter | |
3772 | `mouse-color'. */ | |
3773 | if (EQ (attr, QCbackground)) | |
3774 | param = Qmouse_color; | |
3775 | } | |
3776 | ||
39506348 | 3777 | if (!NILP (param)) |
8bd201d6 GM |
3778 | Fmodify_frame_parameters (frame, Fcons (Fcons (param, value), Qnil)); |
3779 | } | |
82641697 | 3780 | |
c3cee013 | 3781 | #endif /* HAVE_WINDOW_SYSTEM */ |
178c5d9c | 3782 | |
82641697 GM |
3783 | return face; |
3784 | } | |
3785 | ||
3786 | ||
c3cee013 | 3787 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 3788 | |
39506348 KH |
3789 | /* Set the `font' frame parameter of FRAME determined from `default' |
3790 | face attributes LFACE. If a face or fontset name is explicitely | |
3791 | specfied in LFACE, use it as is. Otherwise, determine a font name | |
3792 | from the other font-related atrributes of LFACE. In that case, if | |
3793 | there's no matching font, signals an error. */ | |
82641697 GM |
3794 | |
3795 | static void | |
3796 | set_font_frame_param (frame, lface) | |
3797 | Lisp_Object frame, lface; | |
3798 | { | |
3799 | struct frame *f = XFRAME (frame); | |
39506348 | 3800 | Lisp_Object font_name; |
82641697 GM |
3801 | char *font; |
3802 | ||
39506348 KH |
3803 | if (STRINGP (LFACE_FONT (lface))) |
3804 | font_name = LFACE_FONT (lface); | |
82641697 GM |
3805 | else |
3806 | { | |
39506348 KH |
3807 | /* Choose a font name that reflects LFACE's attributes and has |
3808 | the registry and encoding pattern specified in the default | |
3809 | fontset (3rd arg: -1) for ASCII characters (4th arg: 0). */ | |
3810 | font = choose_face_font (f, XVECTOR (lface)->contents, -1, 0); | |
3811 | if (!font) | |
3812 | error ("No font matches the specified attribute"); | |
3813 | font_name = build_string (font); | |
3814 | xfree (font); | |
82641697 | 3815 | } |
39506348 | 3816 | store_frame_param (f, Qfont, font_name); |
82641697 GM |
3817 | } |
3818 | ||
3819 | ||
8bd201d6 GM |
3820 | /* Update the corresponding face when frame parameter PARAM on frame F |
3821 | has been assigned the value NEW_VALUE. */ | |
3822 | ||
3823 | void | |
3824 | update_face_from_frame_parameter (f, param, new_value) | |
3825 | struct frame *f; | |
3826 | Lisp_Object param, new_value; | |
3827 | { | |
3828 | Lisp_Object lface; | |
3829 | ||
3830 | /* If there are no faces yet, give up. This is the case when called | |
3831 | from Fx_create_frame, and we do the necessary things later in | |
92610620 | 3832 | face-set-after-frame-defaults. */ |
8bd201d6 GM |
3833 | if (NILP (f->face_alist)) |
3834 | return; | |
178c5d9c | 3835 | |
8bd201d6 GM |
3836 | if (EQ (param, Qforeground_color)) |
3837 | { | |
3838 | lface = lface_from_face_name (f, Qdefault, 1); | |
3839 | LFACE_FOREGROUND (lface) = (STRINGP (new_value) | |
3840 | ? new_value : Qunspecified); | |
3841 | realize_basic_faces (f); | |
3842 | } | |
3843 | else if (EQ (param, Qbackground_color)) | |
3844 | { | |
92610620 GM |
3845 | Lisp_Object frame; |
3846 | ||
3847 | /* Changing the background color might change the background | |
3848 | mode, so that we have to load new defface specs. Call | |
3849 | frame-update-face-colors to do that. */ | |
3850 | XSETFRAME (frame, f); | |
3851 | call1 (Qframe_update_face_colors, frame); | |
178c5d9c | 3852 | |
8bd201d6 GM |
3853 | lface = lface_from_face_name (f, Qdefault, 1); |
3854 | LFACE_BACKGROUND (lface) = (STRINGP (new_value) | |
3855 | ? new_value : Qunspecified); | |
3856 | realize_basic_faces (f); | |
3857 | } | |
3858 | if (EQ (param, Qborder_color)) | |
3859 | { | |
3860 | lface = lface_from_face_name (f, Qborder, 1); | |
3861 | LFACE_BACKGROUND (lface) = (STRINGP (new_value) | |
3862 | ? new_value : Qunspecified); | |
3863 | } | |
3864 | else if (EQ (param, Qcursor_color)) | |
3865 | { | |
3866 | lface = lface_from_face_name (f, Qcursor, 1); | |
3867 | LFACE_BACKGROUND (lface) = (STRINGP (new_value) | |
3868 | ? new_value : Qunspecified); | |
3869 | } | |
3870 | else if (EQ (param, Qmouse_color)) | |
3871 | { | |
3872 | lface = lface_from_face_name (f, Qmouse, 1); | |
3873 | LFACE_BACKGROUND (lface) = (STRINGP (new_value) | |
3874 | ? new_value : Qunspecified); | |
3875 | } | |
3876 | } | |
3877 | ||
3878 | ||
82641697 GM |
3879 | /* Get the value of X resource RESOURCE, class CLASS for the display |
3880 | of frame FRAME. This is here because ordinary `x-get-resource' | |
3881 | doesn't take a frame argument. */ | |
3882 | ||
3883 | DEFUN ("internal-face-x-get-resource", Finternal_face_x_get_resource, | |
3884 | Sinternal_face_x_get_resource, 3, 3, 0, "") | |
3885 | (resource, class, frame) | |
3886 | Lisp_Object resource, class, frame; | |
3887 | { | |
c3cee013 JR |
3888 | Lisp_Object value = Qnil; |
3889 | #ifndef WINDOWSNT | |
82641697 GM |
3890 | CHECK_STRING (resource, 0); |
3891 | CHECK_STRING (class, 1); | |
3892 | CHECK_LIVE_FRAME (frame, 2); | |
3893 | BLOCK_INPUT; | |
3894 | value = display_x_get_resource (FRAME_X_DISPLAY_INFO (XFRAME (frame)), | |
3895 | resource, class, Qnil, Qnil); | |
3896 | UNBLOCK_INPUT; | |
c3cee013 | 3897 | #endif |
82641697 GM |
3898 | return value; |
3899 | } | |
3900 | ||
3901 | ||
3902 | /* Return resource string VALUE as a boolean value, i.e. nil, or t. | |
3903 | If VALUE is "on" or "true", return t. If VALUE is "off" or | |
3904 | "false", return nil. Otherwise, if SIGNAL_P is non-zero, signal an | |
3905 | error; if SIGNAL_P is zero, return 0. */ | |
178c5d9c | 3906 | |
82641697 GM |
3907 | static Lisp_Object |
3908 | face_boolean_x_resource_value (value, signal_p) | |
3909 | Lisp_Object value; | |
3910 | int signal_p; | |
3911 | { | |
3912 | Lisp_Object result = make_number (0); | |
3913 | ||
3914 | xassert (STRINGP (value)); | |
178c5d9c | 3915 | |
82641697 GM |
3916 | if (xstricmp (XSTRING (value)->data, "on") == 0 |
3917 | || xstricmp (XSTRING (value)->data, "true") == 0) | |
3918 | result = Qt; | |
3919 | else if (xstricmp (XSTRING (value)->data, "off") == 0 | |
3920 | || xstricmp (XSTRING (value)->data, "false") == 0) | |
3921 | result = Qnil; | |
3922 | else if (xstricmp (XSTRING (value)->data, "unspecified") == 0) | |
3923 | result = Qunspecified; | |
3924 | else if (signal_p) | |
3925 | signal_error ("Invalid face attribute value from X resource", value); | |
3926 | ||
3927 | return result; | |
3928 | } | |
3929 | ||
3930 | ||
3931 | DEFUN ("internal-set-lisp-face-attribute-from-resource", | |
3932 | Finternal_set_lisp_face_attribute_from_resource, | |
3933 | Sinternal_set_lisp_face_attribute_from_resource, | |
3934 | 3, 4, 0, "") | |
3935 | (face, attr, value, frame) | |
3936 | Lisp_Object face, attr, value, frame; | |
3937 | { | |
3938 | CHECK_SYMBOL (face, 0); | |
3939 | CHECK_SYMBOL (attr, 1); | |
3940 | CHECK_STRING (value, 2); | |
3941 | ||
3942 | if (xstricmp (XSTRING (value)->data, "unspecified") == 0) | |
3943 | value = Qunspecified; | |
3944 | else if (EQ (attr, QCheight)) | |
3945 | { | |
3946 | value = Fstring_to_number (value, make_number (10)); | |
3947 | if (XINT (value) <= 0) | |
3948 | signal_error ("Invalid face height from X resource", value); | |
3949 | } | |
3950 | else if (EQ (attr, QCbold) || EQ (attr, QCitalic)) | |
3951 | value = face_boolean_x_resource_value (value, 1); | |
3952 | else if (EQ (attr, QCweight) || EQ (attr, QCslant) || EQ (attr, QCwidth)) | |
3953 | value = intern (XSTRING (value)->data); | |
3954 | else if (EQ (attr, QCreverse_video) || EQ (attr, QCinverse_video)) | |
3955 | value = face_boolean_x_resource_value (value, 1); | |
3956 | else if (EQ (attr, QCunderline) | |
3957 | || EQ (attr, QCoverline) | |
3958 | || EQ (attr, QCstrike_through) | |
3959 | || EQ (attr, QCbox)) | |
3960 | { | |
3961 | Lisp_Object boolean_value; | |
3962 | ||
3963 | /* If the result of face_boolean_x_resource_value is t or nil, | |
3964 | VALUE does NOT specify a color. */ | |
3965 | boolean_value = face_boolean_x_resource_value (value, 0); | |
3966 | if (SYMBOLP (boolean_value)) | |
3967 | value = boolean_value; | |
3968 | } | |
3969 | ||
3970 | return Finternal_set_lisp_face_attribute (face, attr, value, frame); | |
3971 | } | |
3972 | ||
c3cee013 | 3973 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 | 3974 | |
c7ae3284 | 3975 | \f |
c3cee013 | 3976 | #ifdef HAVE_X_WINDOWS |
c7ae3284 GM |
3977 | /*********************************************************************** |
3978 | Menu face | |
3979 | ***********************************************************************/ | |
3980 | ||
3981 | #ifdef USE_X_TOOLKIT | |
3982 | ||
f7cc6849 DL |
3983 | #include "../lwlib/lwlib-utils.h" |
3984 | ||
c7ae3284 GM |
3985 | /* Structure used to pass X resources to functions called via |
3986 | XtApplyToWidgets. */ | |
3987 | ||
3988 | struct x_resources | |
3989 | { | |
3990 | Arg *av; | |
3991 | int ac; | |
3992 | }; | |
3993 | ||
3994 | ||
3995 | #ifdef USE_MOTIF | |
3996 | ||
3997 | static void xm_apply_resources P_ ((Widget, XtPointer)); | |
3998 | static void xm_set_menu_resources_from_menu_face P_ ((struct frame *, Widget)); | |
3999 | ||
4000 | ||
4001 | /* Set widget W's X resources from P which points to an x_resources | |
4002 | structure. If W is a cascade button, apply resources to W's | |
4003 | submenu. */ | |
4004 | ||
4005 | static void | |
4006 | xm_apply_resources (w, p) | |
4007 | Widget w; | |
4008 | XtPointer p; | |
4009 | { | |
4010 | Widget submenu = 0; | |
4011 | struct x_resources *res = (struct x_resources *) p; | |
178c5d9c | 4012 | |
c7ae3284 GM |
4013 | XtSetValues (w, res->av, res->ac); |
4014 | XtVaGetValues (w, XmNsubMenuId, &submenu, NULL); | |
4015 | if (submenu) | |
4016 | { | |
4017 | XtSetValues (submenu, res->av, res->ac); | |
4018 | XtApplyToWidgets (submenu, xm_apply_resources, p); | |
4019 | } | |
4020 | } | |
4021 | ||
4022 | ||
4023 | /* Set X resources of menu-widget WIDGET on frame F from face `menu'. | |
4024 | This is the LessTif/Motif version. As of LessTif 0.88 it has the | |
4025 | following problems: | |
4026 | ||
4027 | 1. Setting the XmNfontList resource leads to an infinite loop | |
4028 | somewhere in LessTif. */ | |
4029 | ||
4030 | static void | |
4031 | xm_set_menu_resources_from_menu_face (f, widget) | |
4032 | struct frame *f; | |
4033 | Widget widget; | |
4034 | { | |
4035 | struct face *face; | |
4036 | Lisp_Object lface; | |
4037 | Arg av[3]; | |
4038 | int ac = 0; | |
4039 | XmFontList fl = 0; | |
4040 | ||
4041 | lface = lface_from_face_name (f, Qmenu, 1); | |
4042 | face = FACE_FROM_ID (f, MENU_FACE_ID); | |
4043 | ||
4044 | if (!UNSPECIFIEDP (LFACE_FOREGROUND (lface))) | |
4045 | { | |
4046 | XtSetArg (av[ac], XmNforeground, face->foreground); | |
4047 | ++ac; | |
4048 | } | |
4049 | ||
4050 | if (!UNSPECIFIEDP (LFACE_BACKGROUND (lface))) | |
4051 | { | |
4052 | XtSetArg (av[ac], XmNbackground, face->background); | |
4053 | ++ac; | |
4054 | } | |
4055 | ||
4056 | /* If any font-related attribute of `menu' is set, set the font. */ | |
4057 | if (face->font | |
4058 | && (!UNSPECIFIEDP (LFACE_FAMILY (lface)) | |
4059 | || !UNSPECIFIEDP (LFACE_SWIDTH (lface)) | |
4060 | || !UNSPECIFIEDP (LFACE_WEIGHT (lface)) | |
4061 | || !UNSPECIFIEDP (LFACE_SLANT (lface)) | |
4062 | || !UNSPECIFIEDP (LFACE_HEIGHT (lface)))) | |
4063 | { | |
4064 | #if 0 /* Setting the font leads to an infinite loop somewhere | |
4065 | in LessTif during geometry computation. */ | |
4066 | XmFontListEntry fe; | |
4067 | fe = XmFontListEntryCreate ("menu_font", XmFONT_IS_FONT, face->font); | |
4068 | fl = XmFontListAppendEntry (NULL, fe); | |
4069 | XtSetArg (av[ac], XmNfontList, fl); | |
4070 | ++ac; | |
4071 | #endif | |
4072 | } | |
4073 | ||
4074 | xassert (ac <= sizeof av / sizeof *av); | |
178c5d9c | 4075 | |
c7ae3284 GM |
4076 | if (ac) |
4077 | { | |
4078 | struct x_resources res; | |
178c5d9c | 4079 | |
c7ae3284 GM |
4080 | XtSetValues (widget, av, ac); |
4081 | res.av = av, res.ac = ac; | |
4082 | XtApplyToWidgets (widget, xm_apply_resources, &res); | |
4083 | if (fl) | |
4084 | XmFontListFree (fl); | |
4085 | } | |
4086 | } | |
4087 | ||
4088 | ||
4089 | #endif /* USE_MOTIF */ | |
4090 | ||
4091 | #ifdef USE_LUCID | |
4092 | ||
4093 | static void xl_apply_resources P_ ((Widget, XtPointer)); | |
4094 | static void xl_set_menu_resources_from_menu_face P_ ((struct frame *, Widget)); | |
4095 | ||
4096 | ||
4097 | /* Set widget W's resources from P which points to an x_resources | |
4098 | structure. */ | |
4099 | ||
4100 | static void | |
4101 | xl_apply_resources (widget, p) | |
4102 | Widget widget; | |
4103 | XtPointer p; | |
4104 | { | |
4105 | struct x_resources *res = (struct x_resources *) p; | |
4106 | XtSetValues (widget, res->av, res->ac); | |
4107 | } | |
4108 | ||
4109 | ||
4110 | /* On frame F, set X resources of menu-widget WIDGET from face `menu'. | |
4111 | This is the Lucid version. */ | |
4112 | ||
4113 | static void | |
4114 | xl_set_menu_resources_from_menu_face (f, widget) | |
4115 | struct frame *f; | |
4116 | Widget widget; | |
4117 | { | |
4118 | struct face *face; | |
4119 | Lisp_Object lface; | |
4120 | Arg av[3]; | |
4121 | int ac = 0; | |
4122 | ||
4123 | lface = lface_from_face_name (f, Qmenu, 1); | |
4124 | face = FACE_FROM_ID (f, MENU_FACE_ID); | |
4125 | ||
4126 | if (!UNSPECIFIEDP (LFACE_FOREGROUND (lface))) | |
4127 | { | |
4128 | XtSetArg (av[ac], XtNforeground, face->foreground); | |
4129 | ++ac; | |
4130 | } | |
4131 | ||
4132 | if (!UNSPECIFIEDP (LFACE_BACKGROUND (lface))) | |
4133 | { | |
4134 | XtSetArg (av[ac], XtNbackground, face->background); | |
4135 | ++ac; | |
4136 | } | |
4137 | ||
4138 | if (face->font | |
4139 | && (!UNSPECIFIEDP (LFACE_FAMILY (lface)) | |
4140 | || !UNSPECIFIEDP (LFACE_SWIDTH (lface)) | |
4141 | || !UNSPECIFIEDP (LFACE_WEIGHT (lface)) | |
4142 | || !UNSPECIFIEDP (LFACE_SLANT (lface)) | |
4143 | || !UNSPECIFIEDP (LFACE_HEIGHT (lface)))) | |
4144 | { | |
4145 | XtSetArg (av[ac], XtNfont, face->font); | |
4146 | ++ac; | |
4147 | } | |
4148 | ||
4149 | if (ac) | |
4150 | { | |
4151 | struct x_resources res; | |
178c5d9c | 4152 | |
c7ae3284 GM |
4153 | XtSetValues (widget, av, ac); |
4154 | ||
4155 | /* We must do children here in case we're handling a pop-up menu | |
4156 | in which case WIDGET is a popup shell. XtApplyToWidgets | |
4157 | is a function from lwlib. */ | |
4158 | res.av = av, res.ac = ac; | |
4159 | XtApplyToWidgets (widget, xl_apply_resources, &res); | |
4160 | } | |
4161 | } | |
4162 | ||
4163 | #endif /* USE_LUCID */ | |
4164 | ||
4165 | ||
4166 | /* On frame F, set X resources of menu-widget WIDGET from face `menu'. */ | |
4167 | ||
4168 | void | |
4169 | x_set_menu_resources_from_menu_face (f, widget) | |
4170 | struct frame *f; | |
4171 | Widget widget; | |
4172 | { | |
15daa944 GM |
4173 | /* Realized faces may have been removed on frame F, e.g. because of |
4174 | face attribute changes. Recompute them, if necessary, since we | |
4175 | will need the `menu' face. */ | |
4176 | if (f->face_cache->used == 0) | |
4177 | recompute_basic_faces (f); | |
178c5d9c | 4178 | |
c7ae3284 GM |
4179 | #ifdef USE_LUCID |
4180 | xl_set_menu_resources_from_menu_face (f, widget); | |
4181 | #endif | |
4182 | #ifdef USE_MOTIF | |
4183 | xm_set_menu_resources_from_menu_face (f, widget); | |
4184 | #endif | |
4185 | } | |
4186 | ||
4187 | #endif /* USE_X_TOOLKIT */ | |
4188 | ||
82641697 GM |
4189 | #endif /* HAVE_X_WINDOWS */ |
4190 | ||
4191 | ||
4192 | ||
4193 | DEFUN ("internal-get-lisp-face-attribute", Finternal_get_lisp_face_attribute, | |
4194 | Sinternal_get_lisp_face_attribute, | |
4195 | 2, 3, 0, | |
4196 | "Return face attribute KEYWORD of face SYMBOL.\n\ | |
4197 | If SYMBOL does not name a valid Lisp face or KEYWORD isn't a valid\n\ | |
4198 | face attribute name, signal an error.\n\ | |
4199 | If the optional argument FRAME is given, report on face FACE in that\n\ | |
4200 | frame. If FRAME is t, report on the defaults for face FACE (for new\n\ | |
4201 | frames). If FRAME is omitted or nil, use the selected frame.") | |
4202 | (symbol, keyword, frame) | |
4203 | Lisp_Object symbol, keyword, frame; | |
4204 | { | |
4205 | Lisp_Object lface, value = Qnil; | |
178c5d9c | 4206 | |
82641697 GM |
4207 | CHECK_SYMBOL (symbol, 0); |
4208 | CHECK_SYMBOL (keyword, 1); | |
4209 | ||
4210 | if (EQ (frame, Qt)) | |
4211 | lface = lface_from_face_name (NULL, symbol, 1); | |
4212 | else | |
4213 | { | |
4214 | if (NILP (frame)) | |
c0617987 | 4215 | frame = selected_frame; |
82641697 GM |
4216 | CHECK_LIVE_FRAME (frame, 2); |
4217 | lface = lface_from_face_name (XFRAME (frame), symbol, 1); | |
4218 | } | |
4219 | ||
4220 | if (EQ (keyword, QCfamily)) | |
4221 | value = LFACE_FAMILY (lface); | |
4222 | else if (EQ (keyword, QCheight)) | |
4223 | value = LFACE_HEIGHT (lface); | |
4224 | else if (EQ (keyword, QCweight)) | |
4225 | value = LFACE_WEIGHT (lface); | |
4226 | else if (EQ (keyword, QCslant)) | |
4227 | value = LFACE_SLANT (lface); | |
4228 | else if (EQ (keyword, QCunderline)) | |
4229 | value = LFACE_UNDERLINE (lface); | |
4230 | else if (EQ (keyword, QCoverline)) | |
4231 | value = LFACE_OVERLINE (lface); | |
4232 | else if (EQ (keyword, QCstrike_through)) | |
4233 | value = LFACE_STRIKE_THROUGH (lface); | |
4234 | else if (EQ (keyword, QCbox)) | |
4235 | value = LFACE_BOX (lface); | |
4236 | else if (EQ (keyword, QCinverse_video) | |
4237 | || EQ (keyword, QCreverse_video)) | |
4238 | value = LFACE_INVERSE (lface); | |
4239 | else if (EQ (keyword, QCforeground)) | |
4240 | value = LFACE_FOREGROUND (lface); | |
4241 | else if (EQ (keyword, QCbackground)) | |
4242 | value = LFACE_BACKGROUND (lface); | |
4243 | else if (EQ (keyword, QCstipple)) | |
4244 | value = LFACE_STIPPLE (lface); | |
4245 | else if (EQ (keyword, QCwidth)) | |
4246 | value = LFACE_SWIDTH (lface); | |
39506348 KH |
4247 | else if (EQ (keyword, QCfont)) |
4248 | value = LFACE_FONT (lface); | |
82641697 GM |
4249 | else |
4250 | signal_error ("Invalid face attribute name", keyword); | |
4251 | ||
4252 | return value; | |
4253 | } | |
4254 | ||
4255 | ||
4256 | DEFUN ("internal-lisp-face-attribute-values", | |
4257 | Finternal_lisp_face_attribute_values, | |
4258 | Sinternal_lisp_face_attribute_values, 1, 1, 0, | |
4259 | "Return a list of valid discrete values for face attribute ATTR.\n\ | |
4260 | Value is nil if ATTR doesn't have a discrete set of valid values.") | |
4261 | (attr) | |
4262 | Lisp_Object attr; | |
4263 | { | |
4264 | Lisp_Object result = Qnil; | |
178c5d9c | 4265 | |
82641697 | 4266 | CHECK_SYMBOL (attr, 0); |
178c5d9c | 4267 | |
82641697 GM |
4268 | if (EQ (attr, QCweight) |
4269 | || EQ (attr, QCslant) | |
4270 | || EQ (attr, QCwidth)) | |
4271 | { | |
4272 | /* Extract permissible symbols from tables. */ | |
4273 | struct table_entry *table; | |
4274 | int i, dim; | |
178c5d9c | 4275 | |
82641697 GM |
4276 | if (EQ (attr, QCweight)) |
4277 | table = weight_table, dim = DIM (weight_table); | |
4278 | else if (EQ (attr, QCslant)) | |
4279 | table = slant_table, dim = DIM (slant_table); | |
4280 | else | |
4281 | table = swidth_table, dim = DIM (swidth_table); | |
4282 | ||
4283 | for (i = 0; i < dim; ++i) | |
4284 | { | |
4285 | Lisp_Object symbol = *table[i].symbol; | |
4286 | Lisp_Object tail = result; | |
4287 | ||
4288 | while (!NILP (tail) | |
4289 | && !EQ (XCAR (tail), symbol)) | |
4290 | tail = XCDR (tail); | |
4291 | ||
4292 | if (NILP (tail)) | |
4293 | result = Fcons (symbol, result); | |
4294 | } | |
4295 | } | |
4296 | else if (EQ (attr, QCunderline)) | |
4297 | result = Fcons (Qt, Fcons (Qnil, Qnil)); | |
4298 | else if (EQ (attr, QCoverline)) | |
4299 | result = Fcons (Qt, Fcons (Qnil, Qnil)); | |
4300 | else if (EQ (attr, QCstrike_through)) | |
4301 | result = Fcons (Qt, Fcons (Qnil, Qnil)); | |
4302 | else if (EQ (attr, QCinverse_video) || EQ (attr, QCreverse_video)) | |
4303 | result = Fcons (Qt, Fcons (Qnil, Qnil)); | |
4304 | ||
4305 | return result; | |
4306 | } | |
178c5d9c | 4307 | |
82641697 GM |
4308 | |
4309 | DEFUN ("internal-merge-in-global-face", Finternal_merge_in_global_face, | |
178c5d9c | 4310 | Sinternal_merge_in_global_face, 2, 2, 0, |
82641697 GM |
4311 | "Add attributes from frame-default definition of FACE to FACE on FRAME.") |
4312 | (face, frame) | |
4313 | Lisp_Object face, frame; | |
4314 | { | |
4315 | Lisp_Object global_lface, local_lface; | |
4316 | CHECK_LIVE_FRAME (frame, 1); | |
4317 | global_lface = lface_from_face_name (NULL, face, 1); | |
4318 | local_lface = lface_from_face_name (XFRAME (frame), face, 0); | |
4319 | if (NILP (local_lface)) | |
4320 | local_lface = Finternal_make_lisp_face (face, frame); | |
4321 | merge_face_vectors (XVECTOR (global_lface)->contents, | |
4322 | XVECTOR (local_lface)->contents); | |
4323 | return face; | |
4324 | } | |
4325 | ||
4326 | ||
4327 | /* The following function is implemented for compatibility with 20.2. | |
4328 | The function is used in x-resolve-fonts when it is asked to | |
4329 | return fonts with the same size as the font of a face. This is | |
4330 | done in fontset.el. */ | |
4331 | ||
178c5d9c | 4332 | DEFUN ("face-font", Fface_font, Sface_font, 1, 2, 0, |
82641697 GM |
4333 | "Return the font name of face FACE, or nil if it is unspecified.\n\ |
4334 | If the optional argument FRAME is given, report on face FACE in that frame.\n\ | |
4335 | If FRAME is t, report on the defaults for face FACE (for new frames).\n\ | |
4336 | The font default for a face is either nil, or a list\n\ | |
4337 | of the form (bold), (italic) or (bold italic).\n\ | |
4338 | If FRAME is omitted or nil, use the selected frame.") | |
4339 | (face, frame) | |
4340 | Lisp_Object face, frame; | |
4341 | { | |
4342 | if (EQ (frame, Qt)) | |
4343 | { | |
4344 | Lisp_Object result = Qnil; | |
4345 | Lisp_Object lface = lface_from_face_name (NULL, face, 1); | |
4346 | ||
4347 | if (!UNSPECIFIEDP (LFACE_WEIGHT (lface)) | |
4348 | && !EQ (LFACE_WEIGHT (lface), Qnormal)) | |
4349 | result = Fcons (Qbold, result); | |
178c5d9c | 4350 | |
82641697 GM |
4351 | if (!NILP (LFACE_SLANT (lface)) |
4352 | && !EQ (LFACE_SLANT (lface), Qnormal)) | |
4353 | result = Fcons (Qitalic, result); | |
178c5d9c | 4354 | |
82641697 GM |
4355 | return result; |
4356 | } | |
4357 | else | |
4358 | { | |
4359 | struct frame *f = frame_or_selected_frame (frame, 1); | |
39506348 | 4360 | int face_id = lookup_named_face (f, face, 0); |
82641697 GM |
4361 | struct face *face = FACE_FROM_ID (f, face_id); |
4362 | return build_string (face->font_name); | |
4363 | } | |
4364 | } | |
4365 | ||
4366 | ||
4367 | /* Compare face vectors V1 and V2 for equality. Value is non-zero if | |
4368 | all attributes are `equal'. Tries to be fast because this function | |
4369 | is called quite often. */ | |
4370 | ||
4371 | static INLINE int | |
4372 | lface_equal_p (v1, v2) | |
4373 | Lisp_Object *v1, *v2; | |
4374 | { | |
4375 | int i, equal_p = 1; | |
4376 | ||
4377 | for (i = 1; i < LFACE_VECTOR_SIZE && equal_p; ++i) | |
4378 | { | |
4379 | Lisp_Object a = v1[i]; | |
4380 | Lisp_Object b = v2[i]; | |
4381 | ||
4382 | /* Type can differ, e.g. when one attribute is unspecified, i.e. nil, | |
4383 | and the other is specified. */ | |
4384 | equal_p = XTYPE (a) == XTYPE (b); | |
4385 | if (!equal_p) | |
4386 | break; | |
4387 | ||
4388 | if (!EQ (a, b)) | |
4389 | { | |
4390 | switch (XTYPE (a)) | |
4391 | { | |
4392 | case Lisp_String: | |
ae4b4ba5 GM |
4393 | equal_p = ((STRING_BYTES (XSTRING (a)) |
4394 | == STRING_BYTES (XSTRING (b))) | |
82641697 | 4395 | && bcmp (XSTRING (a)->data, XSTRING (b)->data, |
ae4b4ba5 | 4396 | STRING_BYTES (XSTRING (a))) == 0); |
82641697 | 4397 | break; |
178c5d9c | 4398 | |
82641697 GM |
4399 | case Lisp_Int: |
4400 | case Lisp_Symbol: | |
4401 | equal_p = 0; | |
4402 | break; | |
178c5d9c | 4403 | |
82641697 GM |
4404 | default: |
4405 | equal_p = !NILP (Fequal (a, b)); | |
4406 | break; | |
4407 | } | |
4408 | } | |
4409 | } | |
178c5d9c | 4410 | |
82641697 GM |
4411 | return equal_p; |
4412 | } | |
4413 | ||
4414 | ||
4415 | DEFUN ("internal-lisp-face-equal-p", Finternal_lisp_face_equal_p, | |
4416 | Sinternal_lisp_face_equal_p, 2, 3, 0, | |
4417 | "True if FACE1 and FACE2 are equal.\n\ | |
4418 | If the optional argument FRAME is given, report on face FACE in that frame.\n\ | |
4419 | If FRAME is t, report on the defaults for face FACE (for new frames).\n\ | |
4420 | If FRAME is omitted or nil, use the selected frame.") | |
4421 | (face1, face2, frame) | |
4422 | Lisp_Object face1, face2, frame; | |
4423 | { | |
4424 | int equal_p; | |
4425 | struct frame *f; | |
4426 | Lisp_Object lface1, lface2; | |
178c5d9c | 4427 | |
82641697 GM |
4428 | if (EQ (frame, Qt)) |
4429 | f = NULL; | |
4430 | else | |
4431 | /* Don't use check_x_frame here because this function is called | |
4432 | before X frames exist. At that time, if FRAME is nil, | |
4433 | selected_frame will be used which is the frame dumped with | |
4434 | Emacs. That frame is not an X frame. */ | |
4435 | f = frame_or_selected_frame (frame, 2); | |
4436 | ||
4437 | lface1 = lface_from_face_name (NULL, face1, 1); | |
4438 | lface2 = lface_from_face_name (NULL, face2, 1); | |
4439 | equal_p = lface_equal_p (XVECTOR (lface1)->contents, | |
4440 | XVECTOR (lface2)->contents); | |
4441 | return equal_p ? Qt : Qnil; | |
4442 | } | |
4443 | ||
178c5d9c | 4444 | |
82641697 GM |
4445 | DEFUN ("internal-lisp-face-empty-p", Finternal_lisp_face_empty_p, |
4446 | Sinternal_lisp_face_empty_p, 1, 2, 0, | |
4447 | "True if FACE has no attribute specified.\n\ | |
4448 | If the optional argument FRAME is given, report on face FACE in that frame.\n\ | |
4449 | If FRAME is t, report on the defaults for face FACE (for new frames).\n\ | |
4450 | If FRAME is omitted or nil, use the selected frame.") | |
4451 | (face, frame) | |
4452 | Lisp_Object face, frame; | |
4453 | { | |
4454 | struct frame *f; | |
4455 | Lisp_Object lface; | |
4456 | int i; | |
4457 | ||
4458 | if (NILP (frame)) | |
c0617987 GM |
4459 | frame = selected_frame; |
4460 | CHECK_LIVE_FRAME (frame, 0); | |
4461 | f = XFRAME (frame); | |
178c5d9c | 4462 | |
82641697 GM |
4463 | if (EQ (frame, Qt)) |
4464 | lface = lface_from_face_name (NULL, face, 1); | |
4465 | else | |
4466 | lface = lface_from_face_name (f, face, 1); | |
4467 | ||
4468 | for (i = 1; i < LFACE_VECTOR_SIZE; ++i) | |
4469 | if (!UNSPECIFIEDP (XVECTOR (lface)->contents[i])) | |
4470 | break; | |
178c5d9c | 4471 | |
82641697 GM |
4472 | return i == LFACE_VECTOR_SIZE ? Qt : Qnil; |
4473 | } | |
4474 | ||
4475 | ||
4476 | DEFUN ("frame-face-alist", Fframe_face_alist, Sframe_face_alist, | |
178c5d9c | 4477 | 0, 1, 0, |
82641697 GM |
4478 | "Return an alist of frame-local faces defined on FRAME.\n\ |
4479 | For internal use only.") | |
4480 | (frame) | |
4481 | Lisp_Object frame; | |
4482 | { | |
4483 | struct frame *f = frame_or_selected_frame (frame, 0); | |
4484 | return f->face_alist; | |
4485 | } | |
4486 | ||
4487 | ||
4488 | /* Return a hash code for Lisp string STRING with case ignored. Used | |
4489 | below in computing a hash value for a Lisp face. */ | |
4490 | ||
4491 | static INLINE unsigned | |
4492 | hash_string_case_insensitive (string) | |
4493 | Lisp_Object string; | |
4494 | { | |
4495 | unsigned char *s; | |
4496 | unsigned hash = 0; | |
4497 | xassert (STRINGP (string)); | |
4498 | for (s = XSTRING (string)->data; *s; ++s) | |
4499 | hash = (hash << 1) ^ tolower (*s); | |
4500 | return hash; | |
4501 | } | |
4502 | ||
4503 | ||
4504 | /* Return a hash code for face attribute vector V. */ | |
4505 | ||
4506 | static INLINE unsigned | |
4507 | lface_hash (v) | |
4508 | Lisp_Object *v; | |
4509 | { | |
4510 | return (hash_string_case_insensitive (v[LFACE_FAMILY_INDEX]) | |
4511 | ^ hash_string_case_insensitive (v[LFACE_FOREGROUND_INDEX]) | |
4512 | ^ hash_string_case_insensitive (v[LFACE_BACKGROUND_INDEX]) | |
6fc556fd KR |
4513 | ^ XFASTINT (v[LFACE_WEIGHT_INDEX]) |
4514 | ^ XFASTINT (v[LFACE_SLANT_INDEX]) | |
4515 | ^ XFASTINT (v[LFACE_SWIDTH_INDEX]) | |
82641697 GM |
4516 | ^ XFASTINT (v[LFACE_HEIGHT_INDEX])); |
4517 | } | |
4518 | ||
4519 | ||
4520 | /* Return non-zero if LFACE1 and LFACE2 specify the same font (without | |
4521 | considering charsets/registries). They do if they specify the same | |
39506348 KH |
4522 | family, point size, weight, width, slant, and fontset. Both LFACE1 |
4523 | and LFACE2 must be fully-specified. */ | |
82641697 GM |
4524 | |
4525 | static INLINE int | |
4526 | lface_same_font_attributes_p (lface1, lface2) | |
4527 | Lisp_Object *lface1, *lface2; | |
4528 | { | |
4529 | xassert (lface_fully_specified_p (lface1) | |
4530 | && lface_fully_specified_p (lface2)); | |
4531 | return (xstricmp (XSTRING (lface1[LFACE_FAMILY_INDEX])->data, | |
4532 | XSTRING (lface2[LFACE_FAMILY_INDEX])->data) == 0 | |
4533 | && (XFASTINT (lface1[LFACE_HEIGHT_INDEX]) | |
4534 | == XFASTINT (lface2[LFACE_HEIGHT_INDEX])) | |
4535 | && EQ (lface1[LFACE_SWIDTH_INDEX], lface2[LFACE_SWIDTH_INDEX]) | |
4536 | && EQ (lface1[LFACE_WEIGHT_INDEX], lface2[LFACE_WEIGHT_INDEX]) | |
39506348 KH |
4537 | && EQ (lface1[LFACE_SLANT_INDEX], lface2[LFACE_SLANT_INDEX]) |
4538 | && (EQ (lface1[LFACE_FONT_INDEX], lface2[LFACE_FONT_INDEX]) | |
4539 | || (STRINGP (lface1[LFACE_FONT_INDEX]) | |
d00b1b63 | 4540 | && STRINGP (lface2[LFACE_FONT_INDEX]) |
39506348 KH |
4541 | && xstricmp (XSTRING (lface1[LFACE_FONT_INDEX])->data, |
4542 | XSTRING (lface2[LFACE_FONT_INDEX])->data)))); | |
82641697 GM |
4543 | } |
4544 | ||
4545 | ||
4546 | \f | |
4547 | /*********************************************************************** | |
4548 | Realized Faces | |
4549 | ***********************************************************************/ | |
4550 | ||
4551 | /* Allocate and return a new realized face for Lisp face attribute | |
39506348 | 4552 | vector ATTR. */ |
82641697 GM |
4553 | |
4554 | static struct face * | |
39506348 | 4555 | make_realized_face (attr) |
82641697 | 4556 | Lisp_Object *attr; |
82641697 GM |
4557 | { |
4558 | struct face *face = (struct face *) xmalloc (sizeof *face); | |
4559 | bzero (face, sizeof *face); | |
39506348 | 4560 | face->ascii_face = face; |
82641697 GM |
4561 | bcopy (attr, face->lface, sizeof face->lface); |
4562 | return face; | |
4563 | } | |
4564 | ||
4565 | ||
4566 | /* Free realized face FACE, including its X resources. FACE may | |
4567 | be null. */ | |
4568 | ||
4569 | static void | |
4570 | free_realized_face (f, face) | |
4571 | struct frame *f; | |
4572 | struct face *face; | |
4573 | { | |
4574 | if (face) | |
4575 | { | |
c3cee013 JR |
4576 | #ifdef HAVE_WINDOW_SYSTEM |
4577 | if (FRAME_WINDOW_P (f)) | |
82641697 | 4578 | { |
39506348 KH |
4579 | /* Free fontset of FACE if it is ASCII face. */ |
4580 | if (face->fontset >= 0 && face == face->ascii_face) | |
4581 | free_face_fontset (f, face); | |
82641697 GM |
4582 | if (face->gc) |
4583 | { | |
4584 | x_free_gc (f, face->gc); | |
4585 | face->gc = 0; | |
4586 | } | |
178c5d9c | 4587 | |
82641697 GM |
4588 | free_face_colors (f, face); |
4589 | x_destroy_bitmap (f, face->stipple); | |
4590 | } | |
c3cee013 | 4591 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
4592 | |
4593 | xfree (face); | |
4594 | } | |
4595 | } | |
4596 | ||
4597 | ||
4598 | /* Prepare face FACE for subsequent display on frame F. This | |
4599 | allocated GCs if they haven't been allocated yet or have been freed | |
4600 | by clearing the face cache. */ | |
4601 | ||
4602 | void | |
4603 | prepare_face_for_display (f, face) | |
4604 | struct frame *f; | |
4605 | struct face *face; | |
4606 | { | |
c3cee013 JR |
4607 | #ifdef HAVE_WINDOW_SYSTEM |
4608 | xassert (FRAME_WINDOW_P (f)); | |
178c5d9c | 4609 | |
82641697 GM |
4610 | if (face->gc == 0) |
4611 | { | |
4612 | XGCValues xgcv; | |
4613 | unsigned long mask = GCForeground | GCBackground | GCGraphicsExposures; | |
4614 | ||
4615 | xgcv.foreground = face->foreground; | |
4616 | xgcv.background = face->background; | |
c3cee013 | 4617 | #ifdef HAVE_X_WINDOWS |
82641697 | 4618 | xgcv.graphics_exposures = False; |
c3cee013 | 4619 | #endif |
82641697 GM |
4620 | /* The font of FACE may be null if we couldn't load it. */ |
4621 | if (face->font) | |
4622 | { | |
c3cee013 | 4623 | #ifdef HAVE_X_WINDOWS |
82641697 | 4624 | xgcv.font = face->font->fid; |
c3cee013 JR |
4625 | #endif |
4626 | #ifdef WINDOWSNT | |
4627 | xgcv.font = face->font; | |
4628 | #endif | |
82641697 GM |
4629 | mask |= GCFont; |
4630 | } | |
4631 | ||
4632 | BLOCK_INPUT; | |
c3cee013 | 4633 | #ifdef HAVE_X_WINDOWS |
82641697 GM |
4634 | if (face->stipple) |
4635 | { | |
be8a72f4 | 4636 | xgcv.fill_style = FillOpaqueStippled; |
82641697 GM |
4637 | xgcv.stipple = x_bitmap_pixmap (f, face->stipple); |
4638 | mask |= GCFillStyle | GCStipple; | |
4639 | } | |
c3cee013 | 4640 | #endif |
82641697 GM |
4641 | face->gc = x_create_gc (f, mask, &xgcv); |
4642 | UNBLOCK_INPUT; | |
4643 | } | |
c3cee013 | 4644 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
4645 | } |
4646 | ||
82641697 GM |
4647 | \f |
4648 | /*********************************************************************** | |
4649 | Face Cache | |
4650 | ***********************************************************************/ | |
4651 | ||
4652 | /* Return a new face cache for frame F. */ | |
4653 | ||
4654 | static struct face_cache * | |
4655 | make_face_cache (f) | |
4656 | struct frame *f; | |
4657 | { | |
4658 | struct face_cache *c; | |
4659 | int size; | |
4660 | ||
4661 | c = (struct face_cache *) xmalloc (sizeof *c); | |
4662 | bzero (c, sizeof *c); | |
4663 | size = FACE_CACHE_BUCKETS_SIZE * sizeof *c->buckets; | |
4664 | c->buckets = (struct face **) xmalloc (size); | |
4665 | bzero (c->buckets, size); | |
4666 | c->size = 50; | |
4667 | c->faces_by_id = (struct face **) xmalloc (c->size * sizeof *c->faces_by_id); | |
4668 | c->f = f; | |
4669 | return c; | |
4670 | } | |
4671 | ||
4672 | ||
4673 | /* Clear out all graphics contexts for all realized faces, except for | |
4674 | the basic faces. This should be done from time to time just to avoid | |
4675 | keeping too many graphics contexts that are no longer needed. */ | |
4676 | ||
4677 | static void | |
4678 | clear_face_gcs (c) | |
4679 | struct face_cache *c; | |
4680 | { | |
c3cee013 | 4681 | if (c && FRAME_WINDOW_P (c->f)) |
82641697 | 4682 | { |
c3cee013 | 4683 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 GM |
4684 | int i; |
4685 | for (i = BASIC_FACE_ID_SENTINEL; i < c->used; ++i) | |
4686 | { | |
4687 | struct face *face = c->faces_by_id[i]; | |
4688 | if (face && face->gc) | |
4689 | { | |
4690 | x_free_gc (c->f, face->gc); | |
4691 | face->gc = 0; | |
4692 | } | |
4693 | } | |
c3cee013 | 4694 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
4695 | } |
4696 | } | |
4697 | ||
4698 | ||
4699 | /* Free all realized faces in face cache C, including basic faces. C | |
4700 | may be null. If faces are freed, make sure the frame's current | |
4701 | matrix is marked invalid, so that a display caused by an expose | |
4702 | event doesn't try to use faces we destroyed. */ | |
4703 | ||
4704 | static void | |
4705 | free_realized_faces (c) | |
4706 | struct face_cache *c; | |
4707 | { | |
4708 | if (c && c->used) | |
4709 | { | |
4710 | int i, size; | |
4711 | struct frame *f = c->f; | |
4712 | ||
84ec3b4b GM |
4713 | /* We must block input here because we can't process X events |
4714 | safely while only some faces are freed, or when the frame's | |
4715 | current matrix still references freed faces. */ | |
4716 | BLOCK_INPUT; | |
4717 | ||
82641697 GM |
4718 | for (i = 0; i < c->used; ++i) |
4719 | { | |
4720 | free_realized_face (f, c->faces_by_id[i]); | |
4721 | c->faces_by_id[i] = NULL; | |
4722 | } | |
178c5d9c | 4723 | |
82641697 GM |
4724 | c->used = 0; |
4725 | size = FACE_CACHE_BUCKETS_SIZE * sizeof *c->buckets; | |
4726 | bzero (c->buckets, size); | |
4727 | ||
4728 | /* Must do a thorough redisplay the next time. Mark current | |
4729 | matrices as invalid because they will reference faces freed | |
4730 | above. This function is also called when a frame is | |
4731 | destroyed. In this case, the root window of F is nil. */ | |
4732 | if (WINDOWP (f->root_window)) | |
4733 | { | |
4734 | clear_current_matrices (f); | |
4735 | ++windows_or_buffers_changed; | |
4736 | } | |
84ec3b4b GM |
4737 | |
4738 | UNBLOCK_INPUT; | |
82641697 GM |
4739 | } |
4740 | } | |
4741 | ||
4742 | ||
39506348 KH |
4743 | /* Free all faces realized for multibyte characters on frame F that |
4744 | has FONTSET. */ | |
4745 | ||
4746 | void | |
4747 | free_realized_multibyte_face (f, fontset) | |
4748 | struct frame *f; | |
4749 | int fontset; | |
4750 | { | |
4751 | struct face_cache *cache = FRAME_FACE_CACHE (f); | |
4752 | struct face *face; | |
4753 | int i; | |
4754 | ||
84ec3b4b GM |
4755 | /* We must block input here because we can't process X events safely |
4756 | while only some faces are freed, or when the frame's current | |
4757 | matrix still references freed faces. */ | |
4758 | BLOCK_INPUT; | |
178c5d9c | 4759 | |
39506348 KH |
4760 | for (i = 0; i < cache->used; i++) |
4761 | { | |
4762 | face = cache->faces_by_id[i]; | |
4763 | if (face | |
4764 | && face != face->ascii_face | |
4765 | && face->fontset == fontset) | |
4766 | { | |
4767 | uncache_face (cache, face); | |
4768 | free_realized_face (f, face); | |
4769 | } | |
4770 | } | |
178c5d9c | 4771 | |
84ec3b4b GM |
4772 | /* Must do a thorough redisplay the next time. Mark current |
4773 | matrices as invalid because they will reference faces freed | |
4774 | above. This function is also called when a frame is destroyed. | |
4775 | In this case, the root window of F is nil. */ | |
39506348 KH |
4776 | if (WINDOWP (f->root_window)) |
4777 | { | |
4778 | clear_current_matrices (f); | |
4779 | ++windows_or_buffers_changed; | |
4780 | } | |
178c5d9c | 4781 | |
84ec3b4b | 4782 | UNBLOCK_INPUT; |
39506348 KH |
4783 | } |
4784 | ||
4785 | ||
82641697 GM |
4786 | /* Free all realized faces on FRAME or on all frames if FRAME is nil. |
4787 | This is done after attributes of a named face have been changed, | |
4788 | because we can't tell which realized faces depend on that face. */ | |
4789 | ||
4790 | void | |
4791 | free_all_realized_faces (frame) | |
4792 | Lisp_Object frame; | |
4793 | { | |
4794 | if (NILP (frame)) | |
4795 | { | |
4796 | Lisp_Object rest; | |
4797 | FOR_EACH_FRAME (rest, frame) | |
4798 | free_realized_faces (FRAME_FACE_CACHE (XFRAME (frame))); | |
4799 | } | |
4800 | else | |
4801 | free_realized_faces (FRAME_FACE_CACHE (XFRAME (frame))); | |
4802 | } | |
4803 | ||
4804 | ||
4805 | /* Free face cache C and faces in it, including their X resources. */ | |
4806 | ||
4807 | static void | |
4808 | free_face_cache (c) | |
4809 | struct face_cache *c; | |
4810 | { | |
4811 | if (c) | |
4812 | { | |
4813 | free_realized_faces (c); | |
4814 | xfree (c->buckets); | |
4815 | xfree (c->faces_by_id); | |
4816 | xfree (c); | |
4817 | } | |
4818 | } | |
4819 | ||
4820 | ||
4821 | /* Cache realized face FACE in face cache C. HASH is the hash value | |
4822 | of FACE. If FACE->fontset >= 0, add the new face to the end of the | |
4823 | collision list of the face hash table of C. This is done because | |
39506348 KH |
4824 | otherwise lookup_face would find FACE for every character, even if |
4825 | faces with the same attributes but for specific characters exist. */ | |
82641697 GM |
4826 | |
4827 | static void | |
4828 | cache_face (c, face, hash) | |
4829 | struct face_cache *c; | |
4830 | struct face *face; | |
4831 | unsigned hash; | |
4832 | { | |
4833 | int i = hash % FACE_CACHE_BUCKETS_SIZE; | |
4834 | ||
4835 | face->hash = hash; | |
4836 | ||
4837 | if (face->fontset >= 0) | |
4838 | { | |
4839 | struct face *last = c->buckets[i]; | |
4840 | if (last) | |
4841 | { | |
4842 | while (last->next) | |
4843 | last = last->next; | |
4844 | last->next = face; | |
4845 | face->prev = last; | |
4846 | face->next = NULL; | |
4847 | } | |
4848 | else | |
4849 | { | |
4850 | c->buckets[i] = face; | |
4851 | face->prev = face->next = NULL; | |
4852 | } | |
4853 | } | |
4854 | else | |
4855 | { | |
4856 | face->prev = NULL; | |
4857 | face->next = c->buckets[i]; | |
4858 | if (face->next) | |
4859 | face->next->prev = face; | |
4860 | c->buckets[i] = face; | |
4861 | } | |
4862 | ||
4863 | /* Find a free slot in C->faces_by_id and use the index of the free | |
4864 | slot as FACE->id. */ | |
4865 | for (i = 0; i < c->used; ++i) | |
4866 | if (c->faces_by_id[i] == NULL) | |
4867 | break; | |
4868 | face->id = i; | |
178c5d9c | 4869 | |
82641697 GM |
4870 | /* Maybe enlarge C->faces_by_id. */ |
4871 | if (i == c->used && c->used == c->size) | |
4872 | { | |
4873 | int new_size = 2 * c->size; | |
4874 | int sz = new_size * sizeof *c->faces_by_id; | |
4875 | c->faces_by_id = (struct face **) xrealloc (c->faces_by_id, sz); | |
4876 | c->size = new_size; | |
4877 | } | |
4878 | ||
4879 | #if GLYPH_DEBUG | |
4880 | /* Check that FACE got a unique id. */ | |
4881 | { | |
4882 | int j, n; | |
4883 | struct face *face; | |
4884 | ||
4885 | for (j = n = 0; j < FACE_CACHE_BUCKETS_SIZE; ++j) | |
4886 | for (face = c->buckets[j]; face; face = face->next) | |
4887 | if (face->id == i) | |
4888 | ++n; | |
4889 | ||
4890 | xassert (n == 1); | |
4891 | } | |
4892 | #endif /* GLYPH_DEBUG */ | |
178c5d9c | 4893 | |
82641697 GM |
4894 | c->faces_by_id[i] = face; |
4895 | if (i == c->used) | |
4896 | ++c->used; | |
4897 | } | |
4898 | ||
4899 | ||
4900 | /* Remove face FACE from cache C. */ | |
4901 | ||
4902 | static void | |
4903 | uncache_face (c, face) | |
4904 | struct face_cache *c; | |
4905 | struct face *face; | |
4906 | { | |
4907 | int i = face->hash % FACE_CACHE_BUCKETS_SIZE; | |
178c5d9c | 4908 | |
82641697 GM |
4909 | if (face->prev) |
4910 | face->prev->next = face->next; | |
4911 | else | |
4912 | c->buckets[i] = face->next; | |
178c5d9c | 4913 | |
82641697 GM |
4914 | if (face->next) |
4915 | face->next->prev = face->prev; | |
178c5d9c | 4916 | |
82641697 GM |
4917 | c->faces_by_id[face->id] = NULL; |
4918 | if (face->id == c->used) | |
4919 | --c->used; | |
4920 | } | |
4921 | ||
4922 | ||
4923 | /* Look up a realized face with face attributes ATTR in the face cache | |
39506348 KH |
4924 | of frame F. The face will be used to display character C. Value |
4925 | is the ID of the face found. If no suitable face is found, realize | |
4926 | a new one. In that case, if C is a multibyte character, BASE_FACE | |
0badc114 | 4927 | is a face that has the same attributes. */ |
82641697 GM |
4928 | |
4929 | INLINE int | |
39506348 | 4930 | lookup_face (f, attr, c, base_face) |
82641697 GM |
4931 | struct frame *f; |
4932 | Lisp_Object *attr; | |
39506348 KH |
4933 | int c; |
4934 | struct face *base_face; | |
82641697 | 4935 | { |
39506348 | 4936 | struct face_cache *cache = FRAME_FACE_CACHE (f); |
82641697 GM |
4937 | unsigned hash; |
4938 | int i; | |
4939 | struct face *face; | |
4940 | ||
39506348 | 4941 | xassert (cache != NULL); |
82641697 GM |
4942 | check_lface_attrs (attr); |
4943 | ||
4944 | /* Look up ATTR in the face cache. */ | |
4945 | hash = lface_hash (attr); | |
4946 | i = hash % FACE_CACHE_BUCKETS_SIZE; | |
178c5d9c | 4947 | |
39506348 | 4948 | for (face = cache->buckets[i]; face; face = face->next) |
82641697 | 4949 | if (face->hash == hash |
44747bd0 | 4950 | && (!FRAME_WINDOW_P (f) |
39506348 | 4951 | || FACE_SUITABLE_FOR_CHAR_P (face, c)) |
82641697 GM |
4952 | && lface_equal_p (face->lface, attr)) |
4953 | break; | |
4954 | ||
4955 | /* If not found, realize a new face. */ | |
4956 | if (face == NULL) | |
39506348 | 4957 | face = realize_face (cache, attr, c, base_face, -1); |
82641697 GM |
4958 | |
4959 | #if GLYPH_DEBUG | |
4960 | xassert (face == FACE_FROM_ID (f, face->id)); | |
d2ff77da KH |
4961 | |
4962 | /* When this function is called from face_for_char (in this case, C is | |
4963 | a multibyte character), a fontset of a face returned by | |
4964 | realize_face is not yet set, i.e. FACE_SUITABLE_FOR_CHAR_P (FACE, | |
4965 | C) is not sutisfied. The fontset is set for this face by | |
4966 | face_for_char later. */ | |
c87a1fda | 4967 | #if 0 |
c3cee013 | 4968 | if (FRAME_WINDOW_P (f)) |
39506348 | 4969 | xassert (FACE_SUITABLE_FOR_CHAR_P (face, c)); |
c87a1fda | 4970 | #endif |
82641697 | 4971 | #endif /* GLYPH_DEBUG */ |
178c5d9c | 4972 | |
82641697 GM |
4973 | return face->id; |
4974 | } | |
4975 | ||
4976 | ||
4977 | /* Return the face id of the realized face for named face SYMBOL on | |
39506348 | 4978 | frame F suitable for displaying character C. */ |
82641697 GM |
4979 | |
4980 | int | |
39506348 | 4981 | lookup_named_face (f, symbol, c) |
82641697 GM |
4982 | struct frame *f; |
4983 | Lisp_Object symbol; | |
39506348 | 4984 | int c; |
82641697 GM |
4985 | { |
4986 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
4987 | Lisp_Object symbol_attrs[LFACE_VECTOR_SIZE]; | |
4988 | struct face *default_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
4989 | ||
4990 | get_lface_attributes (f, symbol, symbol_attrs, 1); | |
4991 | bcopy (default_face->lface, attrs, sizeof attrs); | |
4992 | merge_face_vectors (symbol_attrs, attrs); | |
39506348 | 4993 | return lookup_face (f, attrs, c, NULL); |
82641697 GM |
4994 | } |
4995 | ||
4996 | ||
4997 | /* Return the ID of the realized ASCII face of Lisp face with ID | |
4998 | LFACE_ID on frame F. Value is -1 if LFACE_ID isn't valid. */ | |
4999 | ||
5000 | int | |
5001 | ascii_face_of_lisp_face (f, lface_id) | |
5002 | struct frame *f; | |
5003 | int lface_id; | |
5004 | { | |
5005 | int face_id; | |
178c5d9c | 5006 | |
82641697 GM |
5007 | if (lface_id >= 0 && lface_id < lface_id_to_name_size) |
5008 | { | |
5009 | Lisp_Object face_name = lface_id_to_name[lface_id]; | |
39506348 | 5010 | face_id = lookup_named_face (f, face_name, 0); |
82641697 GM |
5011 | } |
5012 | else | |
5013 | face_id = -1; | |
5014 | ||
5015 | return face_id; | |
5016 | } | |
5017 | ||
5018 | ||
5019 | /* Return a face for charset ASCII that is like the face with id | |
5020 | FACE_ID on frame F, but has a font that is STEPS steps smaller. | |
5021 | STEPS < 0 means larger. Value is the id of the face. */ | |
5022 | ||
5023 | int | |
5024 | smaller_face (f, face_id, steps) | |
5025 | struct frame *f; | |
5026 | int face_id, steps; | |
39506348 | 5027 | { |
c3cee013 | 5028 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 GM |
5029 | struct face *face; |
5030 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
5031 | int pt, last_pt, last_height; | |
5032 | int delta; | |
5033 | int new_face_id; | |
5034 | struct face *new_face; | |
5035 | ||
5036 | /* If not called for an X frame, just return the original face. */ | |
5037 | if (FRAME_TERMCAP_P (f)) | |
5038 | return face_id; | |
5039 | ||
5040 | /* Try in increments of 1/2 pt. */ | |
5041 | delta = steps < 0 ? 5 : -5; | |
5042 | steps = abs (steps); | |
178c5d9c | 5043 | |
82641697 GM |
5044 | face = FACE_FROM_ID (f, face_id); |
5045 | bcopy (face->lface, attrs, sizeof attrs); | |
5046 | pt = last_pt = XFASTINT (attrs[LFACE_HEIGHT_INDEX]); | |
5047 | new_face_id = face_id; | |
5048 | last_height = FONT_HEIGHT (face->font); | |
5049 | ||
5050 | while (steps | |
5051 | && pt + delta > 0 | |
5052 | /* Give up if we cannot find a font within 10pt. */ | |
5053 | && abs (last_pt - pt) < 100) | |
5054 | { | |
5055 | /* Look up a face for a slightly smaller/larger font. */ | |
5056 | pt += delta; | |
5057 | attrs[LFACE_HEIGHT_INDEX] = make_number (pt); | |
39506348 | 5058 | new_face_id = lookup_face (f, attrs, 0, NULL); |
82641697 GM |
5059 | new_face = FACE_FROM_ID (f, new_face_id); |
5060 | ||
5061 | /* If height changes, count that as one step. */ | |
5062 | if (FONT_HEIGHT (new_face->font) != last_height) | |
5063 | { | |
5064 | --steps; | |
5065 | last_height = FONT_HEIGHT (new_face->font); | |
5066 | last_pt = pt; | |
5067 | } | |
5068 | } | |
5069 | ||
5070 | return new_face_id; | |
5071 | ||
c3cee013 | 5072 | #else /* not HAVE_WINDOW_SYSTEM */ |
82641697 GM |
5073 | |
5074 | return face_id; | |
178c5d9c | 5075 | |
c3cee013 | 5076 | #endif /* not HAVE_WINDOW_SYSTEM */ |
82641697 GM |
5077 | } |
5078 | ||
5079 | ||
5080 | /* Return a face for charset ASCII that is like the face with id | |
5081 | FACE_ID on frame F, but has height HEIGHT. */ | |
5082 | ||
5083 | int | |
5084 | face_with_height (f, face_id, height) | |
5085 | struct frame *f; | |
5086 | int face_id; | |
5087 | int height; | |
5088 | { | |
c3cee013 | 5089 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 GM |
5090 | struct face *face; |
5091 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
5092 | ||
5093 | if (FRAME_TERMCAP_P (f) | |
5094 | || height <= 0) | |
5095 | return face_id; | |
5096 | ||
5097 | face = FACE_FROM_ID (f, face_id); | |
5098 | bcopy (face->lface, attrs, sizeof attrs); | |
5099 | attrs[LFACE_HEIGHT_INDEX] = make_number (height); | |
39506348 | 5100 | face_id = lookup_face (f, attrs, 0, NULL); |
c3cee013 | 5101 | #endif /* HAVE_WINDOW_SYSTEM */ |
178c5d9c | 5102 | |
82641697 GM |
5103 | return face_id; |
5104 | } | |
5105 | ||
44747bd0 | 5106 | /* Return the face id of the realized face for named face SYMBOL on |
39506348 KH |
5107 | frame F suitable for displaying character C, and use attributes of |
5108 | the face FACE_ID for attributes that aren't completely specified by | |
5109 | SYMBOL. This is like lookup_named_face, except that the default | |
5110 | attributes come from FACE_ID, not from the default face. FACE_ID | |
5111 | is assumed to be already realized. */ | |
44747bd0 EZ |
5112 | |
5113 | int | |
39506348 | 5114 | lookup_derived_face (f, symbol, c, face_id) |
44747bd0 EZ |
5115 | struct frame *f; |
5116 | Lisp_Object symbol; | |
39506348 | 5117 | int c; |
44747bd0 EZ |
5118 | int face_id; |
5119 | { | |
5120 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
5121 | Lisp_Object symbol_attrs[LFACE_VECTOR_SIZE]; | |
5122 | struct face *default_face = FACE_FROM_ID (f, face_id); | |
5123 | ||
5124 | if (!default_face) | |
5125 | abort (); | |
5126 | ||
5127 | get_lface_attributes (f, symbol, symbol_attrs, 1); | |
5128 | bcopy (default_face->lface, attrs, sizeof attrs); | |
5129 | merge_face_vectors (symbol_attrs, attrs); | |
39506348 | 5130 | return lookup_face (f, attrs, c, default_face); |
44747bd0 EZ |
5131 | } |
5132 | ||
82641697 GM |
5133 | |
5134 | \f | |
5135 | /*********************************************************************** | |
5136 | Font selection | |
5137 | ***********************************************************************/ | |
5138 | ||
5139 | DEFUN ("internal-set-font-selection-order", | |
5140 | Finternal_set_font_selection_order, | |
5141 | Sinternal_set_font_selection_order, 1, 1, 0, | |
5142 | "Set font selection order for face font selection to ORDER.\n\ | |
5143 | ORDER must be a list of length 4 containing the symbols `:width',\n\ | |
5144 | `:height', `:weight', and `:slant'. Face attributes appearing\n\ | |
5145 | first in ORDER are matched first, e.g. if `:height' appears before\n\ | |
5146 | `:weight' in ORDER, font selection first tries to find a font with\n\ | |
5147 | a suitable height, and then tries to match the font weight.\n\ | |
5148 | Value is ORDER.") | |
5149 | (order) | |
5150 | Lisp_Object order; | |
5151 | { | |
5152 | Lisp_Object list; | |
5153 | int i; | |
5154 | int indices[4]; | |
178c5d9c | 5155 | |
82641697 GM |
5156 | CHECK_LIST (order, 0); |
5157 | bzero (indices, sizeof indices); | |
5158 | i = 0; | |
5159 | ||
5160 | for (list = order; | |
5161 | CONSP (list) && i < DIM (indices); | |
5162 | list = XCDR (list), ++i) | |
5163 | { | |
5164 | Lisp_Object attr = XCAR (list); | |
5165 | int xlfd; | |
5166 | ||
5167 | if (EQ (attr, QCwidth)) | |
5168 | xlfd = XLFD_SWIDTH; | |
5169 | else if (EQ (attr, QCheight)) | |
5170 | xlfd = XLFD_POINT_SIZE; | |
5171 | else if (EQ (attr, QCweight)) | |
5172 | xlfd = XLFD_WEIGHT; | |
5173 | else if (EQ (attr, QCslant)) | |
5174 | xlfd = XLFD_SLANT; | |
5175 | else | |
5176 | break; | |
5177 | ||
5178 | if (indices[i] != 0) | |
5179 | break; | |
5180 | indices[i] = xlfd; | |
5181 | } | |
5182 | ||
5183 | if (!NILP (list) | |
5184 | || i != DIM (indices) | |
5185 | || indices[0] == 0 | |
5186 | || indices[1] == 0 | |
5187 | || indices[2] == 0 | |
5188 | || indices[3] == 0) | |
5189 | signal_error ("Invalid font sort order", order); | |
5190 | ||
5191 | if (bcmp (indices, font_sort_order, sizeof indices) != 0) | |
5192 | { | |
5193 | bcopy (indices, font_sort_order, sizeof font_sort_order); | |
5194 | free_all_realized_faces (Qnil); | |
5195 | } | |
178c5d9c | 5196 | |
82641697 GM |
5197 | return Qnil; |
5198 | } | |
5199 | ||
5200 | ||
5201 | DEFUN ("internal-set-alternative-font-family-alist", | |
5202 | Finternal_set_alternative_font_family_alist, | |
5203 | Sinternal_set_alternative_font_family_alist, 1, 1, 0, | |
5204 | "Define alternative font families to try in face font selection.\n\ | |
5205 | ALIST is an alist of (FAMILY ALTERNATIVE1 ALTERNATIVE2 ...) entries.\n\ | |
5206 | Each ALTERNATIVE is tried in order if no fonts of font family FAMILY can\n\ | |
5207 | be found. Value is ALIST.") | |
5208 | (alist) | |
5209 | Lisp_Object alist; | |
5210 | { | |
5211 | CHECK_LIST (alist, 0); | |
5212 | Vface_alternative_font_family_alist = alist; | |
5213 | free_all_realized_faces (Qnil); | |
5214 | return alist; | |
5215 | } | |
5216 | ||
5217 | ||
c3cee013 | 5218 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 5219 | |
82641697 GM |
5220 | /* Value is non-zero if FONT is the name of a scalable font. The |
5221 | X11R6 XLFD spec says that point size, pixel size, and average width | |
5222 | are zero for scalable fonts. Intlfonts contain at least one | |
5223 | scalable font ("*-muleindian-1") for which this isn't true, so we | |
5224 | just test average width. */ | |
5225 | ||
5226 | static int | |
5227 | font_scalable_p (font) | |
5228 | struct font_name *font; | |
5229 | { | |
5230 | char *s = font->fields[XLFD_AVGWIDTH]; | |
c3cee013 JR |
5231 | return (*s == '0' && *(s + 1) == '\0') |
5232 | #ifdef WINDOWSNT | |
5233 | /* Windows implementation of XLFD is slightly broken for backward | |
5234 | compatibility with previous broken versions, so test for | |
5235 | wildcards as well as 0. */ | |
5236 | || *s == '*' | |
5237 | #endif | |
5238 | ; | |
82641697 GM |
5239 | } |
5240 | ||
5241 | ||
5242 | /* Value is non-zero if FONT1 is a better match for font attributes | |
5243 | VALUES than FONT2. VALUES is an array of face attribute values in | |
5244 | font sort order. COMPARE_PT_P zero means don't compare point | |
5245 | sizes. */ | |
5246 | ||
5247 | static int | |
5248 | better_font_p (values, font1, font2, compare_pt_p) | |
5249 | int *values; | |
5250 | struct font_name *font1, *font2; | |
5251 | int compare_pt_p; | |
5252 | { | |
5253 | int i; | |
178c5d9c | 5254 | |
82641697 GM |
5255 | for (i = 0; i < 4; ++i) |
5256 | { | |
5257 | int xlfd_idx = font_sort_order[i]; | |
5258 | ||
5259 | if (compare_pt_p || xlfd_idx != XLFD_POINT_SIZE) | |
5260 | { | |
5261 | int delta1 = abs (values[i] - font1->numeric[xlfd_idx]); | |
5262 | int delta2 = abs (values[i] - font2->numeric[xlfd_idx]); | |
178c5d9c | 5263 | |
82641697 GM |
5264 | if (delta1 > delta2) |
5265 | return 0; | |
5266 | else if (delta1 < delta2) | |
5267 | return 1; | |
5268 | else | |
5269 | { | |
5270 | /* The difference may be equal because, e.g., the face | |
5271 | specifies `italic' but we have only `regular' and | |
5272 | `oblique'. Prefer `oblique' in this case. */ | |
5273 | if ((xlfd_idx == XLFD_WEIGHT || xlfd_idx == XLFD_SLANT) | |
5274 | && font1->numeric[xlfd_idx] > values[i] | |
5275 | && font2->numeric[xlfd_idx] < values[i]) | |
5276 | return 1; | |
5277 | } | |
5278 | } | |
5279 | } | |
178c5d9c | 5280 | |
82641697 GM |
5281 | return 0; |
5282 | } | |
5283 | ||
5284 | ||
5285 | #if SCALABLE_FONTS | |
5286 | ||
5287 | /* Value is non-zero if FONT is an exact match for face attributes in | |
5288 | SPECIFIED. SPECIFIED is an array of face attribute values in font | |
5289 | sort order. */ | |
5290 | ||
5291 | static int | |
5292 | exact_face_match_p (specified, font) | |
5293 | int *specified; | |
5294 | struct font_name *font; | |
5295 | { | |
5296 | int i; | |
178c5d9c | 5297 | |
82641697 GM |
5298 | for (i = 0; i < 4; ++i) |
5299 | if (specified[i] != font->numeric[font_sort_order[i]]) | |
5300 | break; | |
5301 | ||
5302 | return i == 4; | |
5303 | } | |
5304 | ||
5305 | ||
5306 | /* Value is the name of a scaled font, generated from scalable font | |
5307 | FONT on frame F. SPECIFIED_PT is the point-size to scale FONT to. | |
5308 | Value is allocated from heap. */ | |
5309 | ||
5310 | static char * | |
5311 | build_scalable_font_name (f, font, specified_pt) | |
5312 | struct frame *f; | |
5313 | struct font_name *font; | |
5314 | int specified_pt; | |
5315 | { | |
5316 | char point_size[20], pixel_size[20]; | |
5317 | int pixel_value; | |
5318 | double resy = FRAME_X_DISPLAY_INFO (f)->resy; | |
5319 | double pt; | |
5320 | ||
5321 | /* If scalable font is for a specific resolution, compute | |
5322 | the point size we must specify from the resolution of | |
5323 | the display and the specified resolution of the font. */ | |
5324 | if (font->numeric[XLFD_RESY] != 0) | |
5325 | { | |
5326 | pt = resy / font->numeric[XLFD_RESY] * specified_pt + 0.5; | |
5327 | pixel_value = font->numeric[XLFD_RESY] / 720.0 * pt; | |
5328 | } | |
5329 | else | |
5330 | { | |
5331 | pt = specified_pt; | |
5332 | pixel_value = resy / 720.0 * pt; | |
5333 | } | |
178c5d9c | 5334 | |
82641697 GM |
5335 | /* Set point size of the font. */ |
5336 | sprintf (point_size, "%d", (int) pt); | |
5337 | font->fields[XLFD_POINT_SIZE] = point_size; | |
5338 | font->numeric[XLFD_POINT_SIZE] = pt; | |
178c5d9c | 5339 | |
82641697 GM |
5340 | /* Set pixel size. */ |
5341 | sprintf (pixel_size, "%d", pixel_value); | |
5342 | font->fields[XLFD_PIXEL_SIZE] = pixel_size; | |
5343 | font->numeric[XLFD_PIXEL_SIZE] = pixel_value; | |
178c5d9c | 5344 | |
82641697 GM |
5345 | /* If font doesn't specify its resolution, use the |
5346 | resolution of the display. */ | |
5347 | if (font->numeric[XLFD_RESY] == 0) | |
5348 | { | |
5349 | char buffer[20]; | |
5350 | sprintf (buffer, "%d", (int) resy); | |
5351 | font->fields[XLFD_RESY] = buffer; | |
5352 | font->numeric[XLFD_RESY] = resy; | |
5353 | } | |
178c5d9c | 5354 | |
82641697 GM |
5355 | if (strcmp (font->fields[XLFD_RESX], "0") == 0) |
5356 | { | |
5357 | char buffer[20]; | |
5358 | int resx = FRAME_X_DISPLAY_INFO (f)->resx; | |
5359 | sprintf (buffer, "%d", resx); | |
5360 | font->fields[XLFD_RESX] = buffer; | |
5361 | font->numeric[XLFD_RESX] = resx; | |
5362 | } | |
5363 | ||
5364 | return build_font_name (font); | |
5365 | } | |
5366 | ||
5367 | ||
5368 | /* Value is non-zero if we are allowed to use scalable font FONT. We | |
5369 | can't run a Lisp function here since this function may be called | |
5370 | with input blocked. */ | |
5371 | ||
5372 | static int | |
5373 | may_use_scalable_font_p (font, name) | |
5374 | struct font_name *font; | |
5375 | char *name; | |
5376 | { | |
5377 | if (EQ (Vscalable_fonts_allowed, Qt)) | |
5378 | return 1; | |
5379 | else if (CONSP (Vscalable_fonts_allowed)) | |
5380 | { | |
5381 | Lisp_Object tail, regexp; | |
178c5d9c | 5382 | |
82641697 GM |
5383 | for (tail = Vscalable_fonts_allowed; CONSP (tail); tail = XCDR (tail)) |
5384 | { | |
5385 | regexp = XCAR (tail); | |
5386 | if (STRINGP (regexp) | |
5387 | && fast_c_string_match_ignore_case (regexp, name) >= 0) | |
5388 | return 1; | |
5389 | } | |
5390 | } | |
178c5d9c | 5391 | |
82641697 GM |
5392 | return 0; |
5393 | } | |
5394 | ||
5395 | #endif /* SCALABLE_FONTS != 0 */ | |
5396 | ||
5397 | ||
5398 | /* Return the name of the best matching font for face attributes | |
5399 | ATTRS in the array of font_name structures FONTS which contains | |
5400 | NFONTS elements. Value is a font name which is allocated from | |
5401 | the heap. FONTS is freed by this function. */ | |
5402 | ||
5403 | static char * | |
5404 | best_matching_font (f, attrs, fonts, nfonts) | |
5405 | struct frame *f; | |
5406 | Lisp_Object *attrs; | |
5407 | struct font_name *fonts; | |
5408 | int nfonts; | |
5409 | { | |
5410 | char *font_name; | |
5411 | struct font_name *best; | |
5412 | int i, pt; | |
5413 | int specified[4]; | |
5414 | int exact_p; | |
5415 | ||
5416 | if (nfonts == 0) | |
5417 | return NULL; | |
5418 | ||
5419 | /* Make specified font attributes available in `specified', | |
5420 | indexed by sort order. */ | |
5421 | for (i = 0; i < DIM (font_sort_order); ++i) | |
5422 | { | |
5423 | int xlfd_idx = font_sort_order[i]; | |
178c5d9c | 5424 | |
82641697 GM |
5425 | if (xlfd_idx == XLFD_SWIDTH) |
5426 | specified[i] = face_numeric_swidth (attrs[LFACE_SWIDTH_INDEX]); | |
5427 | else if (xlfd_idx == XLFD_POINT_SIZE) | |
5428 | specified[i] = pt = XFASTINT (attrs[LFACE_HEIGHT_INDEX]); | |
5429 | else if (xlfd_idx == XLFD_WEIGHT) | |
5430 | specified[i] = face_numeric_weight (attrs[LFACE_WEIGHT_INDEX]); | |
5431 | else if (xlfd_idx == XLFD_SLANT) | |
5432 | specified[i] = face_numeric_slant (attrs[LFACE_SLANT_INDEX]); | |
5433 | else | |
5434 | abort (); | |
5435 | } | |
5436 | ||
5437 | #if SCALABLE_FONTS | |
5438 | ||
5439 | /* Set to 1 */ | |
5440 | exact_p = 0; | |
178c5d9c | 5441 | |
82641697 GM |
5442 | /* Start with the first non-scalable font in the list. */ |
5443 | for (i = 0; i < nfonts; ++i) | |
5444 | if (!font_scalable_p (fonts + i)) | |
5445 | break; | |
5446 | ||
5447 | /* Find the best match among the non-scalable fonts. */ | |
5448 | if (i < nfonts) | |
5449 | { | |
5450 | best = fonts + i; | |
178c5d9c | 5451 | |
82641697 GM |
5452 | for (i = 1; i < nfonts; ++i) |
5453 | if (!font_scalable_p (fonts + i) | |
5454 | && better_font_p (specified, fonts + i, best, 1)) | |
5455 | { | |
5456 | best = fonts + i; | |
5457 | ||
5458 | exact_p = exact_face_match_p (specified, best); | |
5459 | if (exact_p) | |
5460 | break; | |
5461 | } | |
178c5d9c | 5462 | |
82641697 GM |
5463 | } |
5464 | else | |
5465 | best = NULL; | |
5466 | ||
5467 | /* Unless we found an exact match among non-scalable fonts, see if | |
5468 | we can find a better match among scalable fonts. */ | |
5469 | if (!exact_p) | |
5470 | { | |
5471 | /* A scalable font is better if | |
5472 | ||
5473 | 1. its weight, slant, swidth attributes are better, or. | |
178c5d9c | 5474 | |
82641697 GM |
5475 | 2. the best non-scalable font doesn't have the required |
5476 | point size, and the scalable fonts weight, slant, swidth | |
5477 | isn't worse. */ | |
5478 | ||
5479 | int non_scalable_has_exact_height_p; | |
5480 | ||
5481 | if (best && best->numeric[XLFD_POINT_SIZE] == pt) | |
5482 | non_scalable_has_exact_height_p = 1; | |
5483 | else | |
5484 | non_scalable_has_exact_height_p = 0; | |
178c5d9c | 5485 | |
82641697 GM |
5486 | for (i = 0; i < nfonts; ++i) |
5487 | if (font_scalable_p (fonts + i)) | |
5488 | { | |
5489 | if (best == NULL | |
5490 | || better_font_p (specified, fonts + i, best, 0) | |
5491 | || (!non_scalable_has_exact_height_p | |
5492 | && !better_font_p (specified, best, fonts + i, 0))) | |
5493 | best = fonts + i; | |
5494 | } | |
5495 | } | |
5496 | ||
5497 | if (font_scalable_p (best)) | |
5498 | font_name = build_scalable_font_name (f, best, pt); | |
5499 | else | |
5500 | font_name = build_font_name (best); | |
178c5d9c | 5501 | |
82641697 | 5502 | #else /* !SCALABLE_FONTS */ |
178c5d9c | 5503 | |
82641697 GM |
5504 | /* Find the best non-scalable font. */ |
5505 | best = fonts; | |
178c5d9c | 5506 | |
82641697 GM |
5507 | for (i = 1; i < nfonts; ++i) |
5508 | { | |
5509 | xassert (!font_scalable_p (fonts + i)); | |
5510 | if (better_font_p (specified, fonts + i, best, 1)) | |
5511 | best = fonts + i; | |
5512 | } | |
178c5d9c | 5513 | |
82641697 GM |
5514 | font_name = build_font_name (best); |
5515 | ||
5516 | #endif /* !SCALABLE_FONTS */ | |
5517 | ||
5518 | /* Free font_name structures. */ | |
5519 | free_font_names (fonts, nfonts); | |
178c5d9c | 5520 | |
82641697 GM |
5521 | return font_name; |
5522 | } | |
5523 | ||
5524 | ||
5525 | /* Try to get a list of fonts on frame F with font family FAMILY and | |
5526 | registry/encoding REGISTRY. Return in *FONTS a pointer to a vector | |
5527 | of font_name structures for the fonts matched. Value is the number | |
5528 | of fonts found. */ | |
5529 | ||
5530 | static int | |
5531 | try_font_list (f, attrs, pattern, family, registry, fonts) | |
5532 | struct frame *f; | |
5533 | Lisp_Object *attrs; | |
39506348 | 5534 | Lisp_Object pattern, family, registry; |
82641697 GM |
5535 | struct font_name **fonts; |
5536 | { | |
5537 | int nfonts; | |
5538 | ||
39506348 KH |
5539 | if (NILP (family) && STRINGP (attrs[LFACE_FAMILY_INDEX])) |
5540 | family = attrs[LFACE_FAMILY_INDEX]; | |
178c5d9c | 5541 | |
82641697 | 5542 | nfonts = font_list (f, pattern, family, registry, fonts); |
178c5d9c | 5543 | |
39506348 | 5544 | if (nfonts == 0 && !NILP (family)) |
82641697 GM |
5545 | { |
5546 | Lisp_Object alter; | |
178c5d9c | 5547 | |
82641697 GM |
5548 | /* Try alternative font families from |
5549 | Vface_alternative_font_family_alist. */ | |
39506348 | 5550 | alter = Fassoc (family, Vface_alternative_font_family_alist); |
82641697 GM |
5551 | if (CONSP (alter)) |
5552 | for (alter = XCDR (alter); | |
5553 | CONSP (alter) && nfonts == 0; | |
5554 | alter = XCDR (alter)) | |
5555 | { | |
5556 | if (STRINGP (XCAR (alter))) | |
39506348 | 5557 | nfonts = font_list (f, Qnil, XCAR (alter), registry, fonts); |
82641697 | 5558 | } |
178c5d9c | 5559 | |
82641697 GM |
5560 | /* Try font family of the default face or "fixed". */ |
5561 | if (nfonts == 0) | |
5562 | { | |
5563 | struct face *dflt = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
5564 | if (dflt) | |
39506348 | 5565 | family = dflt->lface[LFACE_FAMILY_INDEX]; |
82641697 | 5566 | else |
39506348 KH |
5567 | family = build_string ("fixed"); |
5568 | nfonts = font_list (f, Qnil, family, registry, fonts); | |
82641697 | 5569 | } |
178c5d9c | 5570 | |
82641697 GM |
5571 | /* Try any family with the given registry. */ |
5572 | if (nfonts == 0) | |
39506348 | 5573 | nfonts = font_list (f, Qnil, Qnil, registry, fonts); |
82641697 GM |
5574 | } |
5575 | ||
5576 | return nfonts; | |
5577 | } | |
5578 | ||
82641697 | 5579 | |
39506348 KH |
5580 | /* Return the fontset id of the base fontset name or alias name given |
5581 | by the fontset attribute of ATTRS. Value is -1 if the fontset | |
5582 | attribute of ATTRS doesn't name a fontset. */ | |
82641697 GM |
5583 | |
5584 | static int | |
39506348 | 5585 | face_fontset (attrs) |
82641697 GM |
5586 | Lisp_Object *attrs; |
5587 | { | |
39506348 | 5588 | Lisp_Object name; |
82641697 | 5589 | int fontset; |
178c5d9c | 5590 | |
39506348 KH |
5591 | name = attrs[LFACE_FONT_INDEX]; |
5592 | if (!STRINGP (name)) | |
5593 | return -1; | |
5594 | return fs_query_fontset (name, 0); | |
82641697 GM |
5595 | } |
5596 | ||
5597 | ||
39506348 KH |
5598 | /* Choose a name of font to use on frame F to display character C with |
5599 | Lisp face attributes specified by ATTRS. The font name is | |
5600 | determined by the font-related attributes in ATTRS and the name | |
5601 | pattern for C in FONTSET. Value is the font name which is | |
5602 | allocated from the heap and must be freed by the caller, or NULL if | |
5603 | we can get no information about the font name of C. It is assured | |
5604 | that we always get some information for a single byte | |
5605 | character. */ | |
82641697 GM |
5606 | |
5607 | static char * | |
39506348 | 5608 | choose_face_font (f, attrs, fontset, c) |
82641697 GM |
5609 | struct frame *f; |
5610 | Lisp_Object *attrs; | |
39506348 | 5611 | int fontset, c; |
82641697 | 5612 | { |
39506348 | 5613 | Lisp_Object pattern; |
82641697 | 5614 | char *font_name = NULL; |
82641697 GM |
5615 | struct font_name *fonts; |
5616 | int nfonts; | |
178c5d9c | 5617 | |
39506348 KH |
5618 | /* Get (foundry and) family name and registry (and encoding) name of |
5619 | a font for C. */ | |
5620 | pattern = fontset_font_pattern (f, fontset, c); | |
5621 | if (NILP (pattern)) | |
5622 | { | |
5623 | xassert (!SINGLE_BYTE_CHAR_P (c)); | |
5624 | return NULL; | |
5625 | } | |
5626 | /* If what we got is a name pattern, return it. */ | |
5627 | if (STRINGP (pattern)) | |
5628 | return xstrdup (XSTRING (pattern)->data); | |
82641697 | 5629 | |
39506348 KH |
5630 | /* Family name may be specified both in ATTRS and car part of |
5631 | PATTERN. The former has higher priority if C is a single byte | |
5632 | character. */ | |
5633 | if (STRINGP (attrs[LFACE_FAMILY_INDEX]) | |
5634 | && SINGLE_BYTE_CHAR_P (c)) | |
5635 | XCAR (pattern) = Qnil; | |
82641697 | 5636 | |
178c5d9c | 5637 | /* Get a list of fonts matching that pattern and choose the |
82641697 | 5638 | best match for the specified face attributes from it. */ |
39506348 KH |
5639 | nfonts = try_font_list (f, attrs, Qnil, XCAR (pattern), XCDR (pattern), |
5640 | &fonts); | |
82641697 GM |
5641 | font_name = best_matching_font (f, attrs, fonts, nfonts); |
5642 | return font_name; | |
5643 | } | |
5644 | ||
c3cee013 | 5645 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 GM |
5646 | |
5647 | ||
5648 | \f | |
5649 | /*********************************************************************** | |
5650 | Face Realization | |
5651 | ***********************************************************************/ | |
5652 | ||
5653 | /* Realize basic faces on frame F. Value is zero if frame parameters | |
5654 | of F don't contain enough information needed to realize the default | |
5655 | face. */ | |
5656 | ||
5657 | static int | |
5658 | realize_basic_faces (f) | |
5659 | struct frame *f; | |
5660 | { | |
5661 | int success_p = 0; | |
17e8204b GM |
5662 | |
5663 | /* Block input there so that we won't be surprised by an X expose | |
5664 | event, for instance without having the faces set up. */ | |
5665 | BLOCK_INPUT; | |
178c5d9c | 5666 | |
82641697 GM |
5667 | if (realize_default_face (f)) |
5668 | { | |
92610620 | 5669 | realize_named_face (f, Qmode_line, MODE_LINE_FACE_ID); |
9ea173e8 | 5670 | realize_named_face (f, Qtool_bar, TOOL_BAR_FACE_ID); |
8bd201d6 | 5671 | realize_named_face (f, Qfringe, BITMAP_AREA_FACE_ID); |
045dee35 | 5672 | realize_named_face (f, Qheader_line, HEADER_LINE_FACE_ID); |
8bd201d6 GM |
5673 | realize_named_face (f, Qscroll_bar, SCROLL_BAR_FACE_ID); |
5674 | realize_named_face (f, Qborder, BORDER_FACE_ID); | |
5675 | realize_named_face (f, Qcursor, CURSOR_FACE_ID); | |
5676 | realize_named_face (f, Qmouse, MOUSE_FACE_ID); | |
c7ae3284 | 5677 | realize_named_face (f, Qmenu, MENU_FACE_ID); |
82641697 GM |
5678 | success_p = 1; |
5679 | } | |
5680 | ||
17e8204b | 5681 | UNBLOCK_INPUT; |
82641697 GM |
5682 | return success_p; |
5683 | } | |
5684 | ||
5685 | ||
5686 | /* Realize the default face on frame F. If the face is not fully | |
5687 | specified, make it fully-specified. Attributes of the default face | |
5688 | that are not explicitly specified are taken from frame parameters. */ | |
5689 | ||
5690 | static int | |
5691 | realize_default_face (f) | |
5692 | struct frame *f; | |
5693 | { | |
5694 | struct face_cache *c = FRAME_FACE_CACHE (f); | |
5695 | Lisp_Object lface; | |
5696 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
82641697 GM |
5697 | Lisp_Object frame_font; |
5698 | struct face *face; | |
5699 | int fontset; | |
5700 | ||
5701 | /* If the `default' face is not yet known, create it. */ | |
5702 | lface = lface_from_face_name (f, Qdefault, 0); | |
5703 | if (NILP (lface)) | |
5704 | { | |
5705 | Lisp_Object frame; | |
5706 | XSETFRAME (frame, f); | |
5707 | lface = Finternal_make_lisp_face (Qdefault, frame); | |
5708 | } | |
5709 | ||
c3cee013 JR |
5710 | #ifdef HAVE_WINDOW_SYSTEM |
5711 | if (FRAME_WINDOW_P (f)) | |
82641697 GM |
5712 | { |
5713 | /* Set frame_font to the value of the `font' frame parameter. */ | |
5714 | frame_font = Fassq (Qfont, f->param_alist); | |
5715 | xassert (CONSP (frame_font) && STRINGP (XCDR (frame_font))); | |
5716 | frame_font = XCDR (frame_font); | |
39506348 | 5717 | set_lface_from_font_name (f, lface, frame_font, 0, 1); |
82641697 | 5718 | } |
c3cee013 | 5719 | #endif /* HAVE_WINDOW_SYSTEM */ |
82641697 | 5720 | |
44747bd0 | 5721 | if (!FRAME_WINDOW_P (f)) |
82641697 GM |
5722 | { |
5723 | LFACE_FAMILY (lface) = build_string ("default"); | |
5724 | LFACE_SWIDTH (lface) = Qnormal; | |
5725 | LFACE_HEIGHT (lface) = make_number (1); | |
5726 | LFACE_WEIGHT (lface) = Qnormal; | |
5727 | LFACE_SLANT (lface) = Qnormal; | |
5728 | } | |
178c5d9c | 5729 | |
82641697 GM |
5730 | if (UNSPECIFIEDP (LFACE_UNDERLINE (lface))) |
5731 | LFACE_UNDERLINE (lface) = Qnil; | |
178c5d9c | 5732 | |
82641697 GM |
5733 | if (UNSPECIFIEDP (LFACE_OVERLINE (lface))) |
5734 | LFACE_OVERLINE (lface) = Qnil; | |
178c5d9c | 5735 | |
82641697 GM |
5736 | if (UNSPECIFIEDP (LFACE_STRIKE_THROUGH (lface))) |
5737 | LFACE_STRIKE_THROUGH (lface) = Qnil; | |
178c5d9c | 5738 | |
82641697 GM |
5739 | if (UNSPECIFIEDP (LFACE_BOX (lface))) |
5740 | LFACE_BOX (lface) = Qnil; | |
178c5d9c | 5741 | |
82641697 GM |
5742 | if (UNSPECIFIEDP (LFACE_INVERSE (lface))) |
5743 | LFACE_INVERSE (lface) = Qnil; | |
178c5d9c | 5744 | |
82641697 GM |
5745 | if (UNSPECIFIEDP (LFACE_FOREGROUND (lface))) |
5746 | { | |
5747 | /* This function is called so early that colors are not yet | |
5748 | set in the frame parameter list. */ | |
5749 | Lisp_Object color = Fassq (Qforeground_color, f->param_alist); | |
178c5d9c | 5750 | |
82641697 GM |
5751 | if (CONSP (color) && STRINGP (XCDR (color))) |
5752 | LFACE_FOREGROUND (lface) = XCDR (color); | |
c3cee013 | 5753 | else if (FRAME_WINDOW_P (f)) |
82641697 | 5754 | return 0; |
f9d2fdc4 | 5755 | else if (FRAME_TERMCAP_P (f) || FRAME_MSDOS_P (f)) |
ef917393 | 5756 | LFACE_FOREGROUND (lface) = build_string (unspecified_fg); |
f9d2fdc4 | 5757 | else |
82641697 GM |
5758 | abort (); |
5759 | } | |
178c5d9c | 5760 | |
82641697 GM |
5761 | if (UNSPECIFIEDP (LFACE_BACKGROUND (lface))) |
5762 | { | |
5763 | /* This function is called so early that colors are not yet | |
5764 | set in the frame parameter list. */ | |
5765 | Lisp_Object color = Fassq (Qbackground_color, f->param_alist); | |
5766 | if (CONSP (color) && STRINGP (XCDR (color))) | |
5767 | LFACE_BACKGROUND (lface) = XCDR (color); | |
c3cee013 | 5768 | else if (FRAME_WINDOW_P (f)) |
82641697 | 5769 | return 0; |
f9d2fdc4 | 5770 | else if (FRAME_TERMCAP_P (f) || FRAME_MSDOS_P (f)) |
ef917393 | 5771 | LFACE_BACKGROUND (lface) = build_string (unspecified_bg); |
f9d2fdc4 | 5772 | else |
82641697 GM |
5773 | abort (); |
5774 | } | |
178c5d9c | 5775 | |
82641697 GM |
5776 | if (UNSPECIFIEDP (LFACE_STIPPLE (lface))) |
5777 | LFACE_STIPPLE (lface) = Qnil; | |
5778 | ||
5779 | /* Realize the face; it must be fully-specified now. */ | |
5780 | xassert (lface_fully_specified_p (XVECTOR (lface)->contents)); | |
5781 | check_lface (lface); | |
5782 | bcopy (XVECTOR (lface)->contents, attrs, sizeof attrs); | |
39506348 | 5783 | face = realize_face (c, attrs, 0, NULL, DEFAULT_FACE_ID); |
82641697 GM |
5784 | return 1; |
5785 | } | |
5786 | ||
5787 | ||
5788 | /* Realize basic faces other than the default face in face cache C. | |
5789 | SYMBOL is the face name, ID is the face id the realized face must | |
5790 | have. The default face must have been realized already. */ | |
5791 | ||
5792 | static void | |
5793 | realize_named_face (f, symbol, id) | |
5794 | struct frame *f; | |
5795 | Lisp_Object symbol; | |
5796 | int id; | |
5797 | { | |
5798 | struct face_cache *c = FRAME_FACE_CACHE (f); | |
5799 | Lisp_Object lface = lface_from_face_name (f, symbol, 0); | |
5800 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
5801 | Lisp_Object symbol_attrs[LFACE_VECTOR_SIZE]; | |
5802 | struct face *new_face; | |
5803 | ||
5804 | /* The default face must exist and be fully specified. */ | |
5805 | get_lface_attributes (f, Qdefault, attrs, 1); | |
5806 | check_lface_attrs (attrs); | |
5807 | xassert (lface_fully_specified_p (attrs)); | |
5808 | ||
5809 | /* If SYMBOL isn't know as a face, create it. */ | |
5810 | if (NILP (lface)) | |
5811 | { | |
5812 | Lisp_Object frame; | |
5813 | XSETFRAME (frame, f); | |
5814 | lface = Finternal_make_lisp_face (symbol, frame); | |
5815 | } | |
5816 | ||
5817 | /* Merge SYMBOL's face with the default face. */ | |
5818 | get_lface_attributes (f, symbol, symbol_attrs, 1); | |
5819 | merge_face_vectors (symbol_attrs, attrs); | |
5820 | ||
5821 | /* Realize the face. */ | |
39506348 | 5822 | new_face = realize_face (c, attrs, 0, NULL, id); |
82641697 GM |
5823 | } |
5824 | ||
5825 | ||
5826 | /* Realize the fully-specified face with attributes ATTRS in face | |
39506348 | 5827 | cache CACHE for character C. If C is a multibyte character, |
0badc114 KH |
5828 | BASE_FACE is a face that has the same attributes. Otherwise, |
5829 | BASE_FACE is ignored. If FORMER_FACE_ID is non-negative, it is an | |
5830 | ID of face to remove before caching the new face. Value is a | |
5831 | pointer to the newly created realized face. */ | |
82641697 GM |
5832 | |
5833 | static struct face * | |
39506348 KH |
5834 | realize_face (cache, attrs, c, base_face, former_face_id) |
5835 | struct face_cache *cache; | |
82641697 | 5836 | Lisp_Object *attrs; |
39506348 KH |
5837 | int c; |
5838 | struct face *base_face; | |
5839 | int former_face_id; | |
82641697 GM |
5840 | { |
5841 | struct face *face; | |
178c5d9c | 5842 | |
82641697 | 5843 | /* LFACE must be fully specified. */ |
39506348 | 5844 | xassert (cache != NULL); |
82641697 GM |
5845 | check_lface_attrs (attrs); |
5846 | ||
39506348 KH |
5847 | if (former_face_id >= 0 && cache->used > former_face_id) |
5848 | { | |
5849 | /* Remove the former face. */ | |
5850 | struct face *former_face = cache->faces_by_id[former_face_id]; | |
5851 | uncache_face (cache, former_face); | |
5852 | free_realized_face (cache->f, former_face); | |
5853 | } | |
5854 | ||
5855 | if (FRAME_WINDOW_P (cache->f)) | |
5856 | face = realize_x_face (cache, attrs, c, base_face); | |
5857 | else if (FRAME_TERMCAP_P (cache->f) || FRAME_MSDOS_P (cache->f)) | |
5858 | face = realize_tty_face (cache, attrs, c); | |
82641697 GM |
5859 | else |
5860 | abort (); | |
5861 | ||
39506348 KH |
5862 | /* Insert the new face. */ |
5863 | cache_face (cache, face, lface_hash (attrs)); | |
5864 | #ifdef HAVE_WINDOW_SYSTEM | |
192cb6cf | 5865 | if (FRAME_WINDOW_P (cache->f) && face->font == NULL) |
39506348 KH |
5866 | load_face_font (cache->f, face, c); |
5867 | #endif /* HAVE_WINDOW_SYSTEM */ | |
82641697 GM |
5868 | return face; |
5869 | } | |
5870 | ||
5871 | ||
5872 | /* Realize the fully-specified face with attributes ATTRS in face | |
39506348 | 5873 | cache CACHE for character C. Do it for X frame CACHE->f. If C is |
0badc114 KH |
5874 | a multibyte character, BASE_FACE is a face that has the same |
5875 | attributes. Otherwise, BASE_FACE is ignored. If the new face | |
5876 | doesn't share font with the default face, a fontname is allocated | |
5877 | from the heap and set in `font_name' of the new face, but it is not | |
5878 | yet loaded here. Value is a pointer to the newly created realized | |
5879 | face. */ | |
82641697 GM |
5880 | |
5881 | static struct face * | |
39506348 KH |
5882 | realize_x_face (cache, attrs, c, base_face) |
5883 | struct face_cache *cache; | |
82641697 | 5884 | Lisp_Object *attrs; |
39506348 KH |
5885 | int c; |
5886 | struct face *base_face; | |
82641697 | 5887 | { |
c3cee013 | 5888 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 5889 | struct face *face, *default_face; |
78d2079c | 5890 | struct frame *f; |
82641697 | 5891 | Lisp_Object stipple, overline, strike_through, box; |
82641697 | 5892 | |
39506348 KH |
5893 | xassert (FRAME_WINDOW_P (cache->f)); |
5894 | xassert (SINGLE_BYTE_CHAR_P (c) | |
0badc114 | 5895 | || base_face); |
82641697 GM |
5896 | |
5897 | /* Allocate a new realized face. */ | |
39506348 KH |
5898 | face = make_realized_face (attrs); |
5899 | ||
5900 | f = cache->f; | |
5901 | ||
5902 | /* If C is a multibyte character, we share all face attirbutes with | |
5903 | BASE_FACE including the realized fontset. But, we must load a | |
5904 | different font. */ | |
5905 | if (!SINGLE_BYTE_CHAR_P (c)) | |
5906 | { | |
5907 | bcopy (base_face, face, sizeof *face); | |
5908 | face->gc = 0; | |
e911049b GM |
5909 | |
5910 | /* Don't try to free the colors copied bitwise from BASE_FACE. */ | |
5911 | face->foreground_defaulted_p = 1; | |
5912 | face->background_defaulted_p = 1; | |
178c5d9c | 5913 | face->underline_defaulted_p = 1; |
e911049b GM |
5914 | face->overline_color_defaulted_p = 1; |
5915 | face->strike_through_color_defaulted_p = 1; | |
5916 | face->box_color_defaulted_p = 1; | |
178c5d9c | 5917 | |
e911049b GM |
5918 | /* to force realize_face to load font */ |
5919 | face->font = NULL; | |
39506348 KH |
5920 | return face; |
5921 | } | |
5922 | ||
5923 | /* Now we are realizing a face for ASCII (and unibyte) characters. */ | |
82641697 GM |
5924 | |
5925 | /* Determine the font to use. Most of the time, the font will be | |
5926 | the same as the font of the default face, so try that first. */ | |
5927 | default_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
5928 | if (default_face | |
39506348 | 5929 | && FACE_SUITABLE_FOR_CHAR_P (default_face, c) |
82641697 GM |
5930 | && lface_same_font_attributes_p (default_face->lface, attrs)) |
5931 | { | |
5932 | face->font = default_face->font; | |
5933 | face->fontset = default_face->fontset; | |
5934 | face->font_info_id = default_face->font_info_id; | |
5935 | face->font_name = default_face->font_name; | |
39506348 | 5936 | face->ascii_face = face; |
82641697 | 5937 | |
39506348 KH |
5938 | /* But, as we can't share the fontset, make a new realized |
5939 | fontset that has the same base fontset as of the default | |
5940 | face. */ | |
5941 | face->fontset | |
5942 | = make_fontset_for_ascii_face (f, default_face->fontset); | |
82641697 GM |
5943 | } |
5944 | else | |
5945 | { | |
39506348 | 5946 | /* If the face attribute ATTRS specifies a fontset, use it as |
fc8c4797 KH |
5947 | the base of a new realized fontset. Otherwise, use the same |
5948 | base fontset as of the default face. The base determines | |
5949 | registry and encoding of a font. It may also determine | |
5950 | foundry and family. The other fields of font name pattern | |
5951 | are constructed from ATTRS. */ | |
5952 | int fontset = face_fontset (attrs); | |
5953 | ||
178c5d9c | 5954 | if ((fontset == -1) && default_face) |
fc8c4797 KH |
5955 | fontset = default_face->fontset; |
5956 | face->fontset = make_fontset_for_ascii_face (f, fontset); | |
39506348 | 5957 | face->font = NULL; /* to force realize_face to load font */ |
82641697 GM |
5958 | } |
5959 | ||
5960 | /* Load colors, and set remaining attributes. */ | |
178c5d9c | 5961 | |
82641697 | 5962 | load_face_colors (f, face, attrs); |
660ed669 | 5963 | |
82641697 GM |
5964 | /* Set up box. */ |
5965 | box = attrs[LFACE_BOX_INDEX]; | |
5966 | if (STRINGP (box)) | |
cb637678 | 5967 | { |
82641697 GM |
5968 | /* A simple box of line width 1 drawn in color given by |
5969 | the string. */ | |
5970 | face->box_color = load_color (f, face, attrs[LFACE_BOX_INDEX], | |
5971 | LFACE_BOX_INDEX); | |
5972 | face->box = FACE_SIMPLE_BOX; | |
5973 | face->box_line_width = 1; | |
cb637678 | 5974 | } |
82641697 | 5975 | else if (INTEGERP (box)) |
42120bc7 | 5976 | { |
82641697 GM |
5977 | /* Simple box of specified line width in foreground color of the |
5978 | face. */ | |
5979 | xassert (XINT (box) > 0); | |
5980 | face->box = FACE_SIMPLE_BOX; | |
5981 | face->box_line_width = XFASTINT (box); | |
5982 | face->box_color = face->foreground; | |
5983 | face->box_color_defaulted_p = 1; | |
5984 | } | |
5985 | else if (CONSP (box)) | |
5986 | { | |
5987 | /* `(:width WIDTH :color COLOR :shadow SHADOW)'. SHADOW | |
5988 | being one of `raised' or `sunken'. */ | |
5989 | face->box = FACE_SIMPLE_BOX; | |
5990 | face->box_color = face->foreground; | |
5991 | face->box_color_defaulted_p = 1; | |
5992 | face->box_line_width = 1; | |
5993 | ||
5994 | while (CONSP (box)) | |
42120bc7 | 5995 | { |
82641697 GM |
5996 | Lisp_Object keyword, value; |
5997 | ||
5998 | keyword = XCAR (box); | |
5999 | box = XCDR (box); | |
6000 | ||
6001 | if (!CONSP (box)) | |
6002 | break; | |
6003 | value = XCAR (box); | |
6004 | box = XCDR (box); | |
6005 | ||
6006 | if (EQ (keyword, QCline_width)) | |
6007 | { | |
6008 | if (INTEGERP (value) && XINT (value) > 0) | |
6009 | face->box_line_width = XFASTINT (value); | |
6010 | } | |
6011 | else if (EQ (keyword, QCcolor)) | |
6012 | { | |
6013 | if (STRINGP (value)) | |
6014 | { | |
6015 | face->box_color = load_color (f, face, value, | |
6016 | LFACE_BOX_INDEX); | |
6017 | face->use_box_color_for_shadows_p = 1; | |
6018 | } | |
6019 | } | |
6020 | else if (EQ (keyword, QCstyle)) | |
a8517066 | 6021 | { |
82641697 GM |
6022 | if (EQ (value, Qreleased_button)) |
6023 | face->box = FACE_RAISED_BOX; | |
6024 | else if (EQ (value, Qpressed_button)) | |
6025 | face->box = FACE_SUNKEN_BOX; | |
a8517066 | 6026 | } |
42120bc7 RS |
6027 | } |
6028 | } | |
195f798e | 6029 | |
82641697 | 6030 | /* Text underline, overline, strike-through. */ |
178c5d9c | 6031 | |
82641697 | 6032 | if (EQ (attrs[LFACE_UNDERLINE_INDEX], Qt)) |
178c5d9c | 6033 | { |
82641697 GM |
6034 | /* Use default color (same as foreground color). */ |
6035 | face->underline_p = 1; | |
6036 | face->underline_defaulted_p = 1; | |
6037 | face->underline_color = 0; | |
6038 | } | |
6039 | else if (STRINGP (attrs[LFACE_UNDERLINE_INDEX])) | |
195f798e | 6040 | { |
82641697 GM |
6041 | /* Use specified color. */ |
6042 | face->underline_p = 1; | |
6043 | face->underline_defaulted_p = 0; | |
6044 | face->underline_color | |
6045 | = load_color (f, face, attrs[LFACE_UNDERLINE_INDEX], | |
6046 | LFACE_UNDERLINE_INDEX); | |
195f798e | 6047 | } |
82641697 | 6048 | else if (NILP (attrs[LFACE_UNDERLINE_INDEX])) |
7b00de84 | 6049 | { |
82641697 GM |
6050 | face->underline_p = 0; |
6051 | face->underline_defaulted_p = 0; | |
6052 | face->underline_color = 0; | |
7b00de84 JB |
6053 | } |
6054 | ||
82641697 GM |
6055 | overline = attrs[LFACE_OVERLINE_INDEX]; |
6056 | if (STRINGP (overline)) | |
cb637678 | 6057 | { |
82641697 GM |
6058 | face->overline_color |
6059 | = load_color (f, face, attrs[LFACE_OVERLINE_INDEX], | |
6060 | LFACE_OVERLINE_INDEX); | |
6061 | face->overline_p = 1; | |
cb637678 | 6062 | } |
82641697 | 6063 | else if (EQ (overline, Qt)) |
cb637678 | 6064 | { |
82641697 GM |
6065 | face->overline_color = face->foreground; |
6066 | face->overline_color_defaulted_p = 1; | |
6067 | face->overline_p = 1; | |
cb637678 JB |
6068 | } |
6069 | ||
82641697 GM |
6070 | strike_through = attrs[LFACE_STRIKE_THROUGH_INDEX]; |
6071 | if (STRINGP (strike_through)) | |
6072 | { | |
6073 | face->strike_through_color | |
6074 | = load_color (f, face, attrs[LFACE_STRIKE_THROUGH_INDEX], | |
6075 | LFACE_STRIKE_THROUGH_INDEX); | |
6076 | face->strike_through_p = 1; | |
6077 | } | |
6078 | else if (EQ (strike_through, Qt)) | |
6079 | { | |
6080 | face->strike_through_color = face->foreground; | |
6081 | face->strike_through_color_defaulted_p = 1; | |
6082 | face->strike_through_p = 1; | |
6083 | } | |
867dd159 | 6084 | |
82641697 GM |
6085 | stipple = attrs[LFACE_STIPPLE_INDEX]; |
6086 | if (!NILP (stipple)) | |
6087 | face->stipple = load_pixmap (f, stipple, &face->pixmap_w, &face->pixmap_h); | |
660ed669 | 6088 | |
39506348 | 6089 | xassert (FACE_SUITABLE_FOR_CHAR_P (face, c)); |
82641697 | 6090 | return face; |
c3cee013 | 6091 | #endif /* HAVE_WINDOW_SYSTEM */ |
660ed669 JB |
6092 | } |
6093 | ||
729425b1 | 6094 | |
ae4b4ba5 GM |
6095 | /* Map a specified color of face FACE on frame F to a tty color index. |
6096 | IDX is either LFACE_FOREGROUND_INDEX or LFACE_BACKGROUND_INDEX, and | |
6097 | specifies which color to map. Set *DEFAULTED to 1 if mapping to the | |
6098 | default foreground/background colors. */ | |
6099 | ||
6100 | static void | |
6101 | map_tty_color (f, face, idx, defaulted) | |
6102 | struct frame *f; | |
6103 | struct face *face; | |
6104 | enum lface_attribute_index idx; | |
6105 | int *defaulted; | |
6106 | { | |
6107 | Lisp_Object frame, color, def; | |
6108 | int foreground_p = idx == LFACE_FOREGROUND_INDEX; | |
6109 | unsigned long default_pixel, default_other_pixel, pixel; | |
6110 | ||
6111 | xassert (idx == LFACE_FOREGROUND_INDEX || idx == LFACE_BACKGROUND_INDEX); | |
6112 | ||
6113 | if (foreground_p) | |
6114 | { | |
6115 | pixel = default_pixel = FACE_TTY_DEFAULT_FG_COLOR; | |
6116 | default_other_pixel = FACE_TTY_DEFAULT_BG_COLOR; | |
6117 | } | |
6118 | else | |
6119 | { | |
6120 | pixel = default_pixel = FACE_TTY_DEFAULT_BG_COLOR; | |
6121 | default_other_pixel = FACE_TTY_DEFAULT_FG_COLOR; | |
6122 | } | |
6123 | ||
6124 | XSETFRAME (frame, f); | |
6125 | color = face->lface[idx]; | |
6126 | ||
6127 | if (STRINGP (color) | |
6128 | && XSTRING (color)->size | |
6129 | && CONSP (Vtty_defined_color_alist) | |
6130 | && (def = assq_no_quit (color, call1 (Qtty_color_alist, frame)), | |
6131 | CONSP (def))) | |
6132 | { | |
6133 | /* Associations in tty-defined-color-alist are of the form | |
6134 | (NAME INDEX R G B). We need the INDEX part. */ | |
6135 | pixel = XINT (XCAR (XCDR (def))); | |
6136 | } | |
6137 | ||
6138 | if (pixel == default_pixel && STRINGP (color)) | |
6139 | { | |
6140 | pixel = load_color (f, face, color, idx); | |
6141 | ||
6142 | #if defined (MSDOS) || defined (WINDOWSNT) | |
6143 | /* If the foreground of the default face is the default color, | |
6144 | use the foreground color defined by the frame. */ | |
6145 | #ifdef MSDOS | |
6146 | if (FRAME_MSDOS_P (f)) | |
6147 | { | |
6148 | #endif /* MSDOS */ | |
6149 | if (pixel == default_pixel | |
6150 | || pixel == FACE_TTY_DEFAULT_COLOR) | |
6151 | { | |
6152 | if (foreground_p) | |
6153 | pixel = FRAME_FOREGROUND_PIXEL (f); | |
6154 | else | |
6155 | pixel = FRAME_BACKGROUND_PIXEL (f); | |
6156 | face->lface[idx] = tty_color_name (f, pixel); | |
6157 | *defaulted = 1; | |
6158 | } | |
6159 | else if (pixel == default_other_pixel) | |
6160 | { | |
6161 | if (foreground_p) | |
6162 | pixel = FRAME_BACKGROUND_PIXEL (f); | |
6163 | else | |
6164 | pixel = FRAME_FOREGROUND_PIXEL (f); | |
6165 | face->lface[idx] = tty_color_name (f, pixel); | |
6166 | *defaulted = 1; | |
6167 | } | |
6168 | #ifdef MSDOS | |
6169 | } | |
6170 | #endif | |
6171 | #endif /* MSDOS or WINDOWSNT */ | |
6172 | } | |
6173 | ||
6174 | if (foreground_p) | |
6175 | face->foreground = pixel; | |
6176 | else | |
6177 | face->background = pixel; | |
6178 | } | |
6179 | ||
6180 | ||
82641697 | 6181 | /* Realize the fully-specified face with attributes ATTRS in face |
39506348 KH |
6182 | cache CACHE for character C. Do it for TTY frame CACHE->f. Value is a |
6183 | pointer to the newly created realized face. */ | |
a8517066 | 6184 | |
82641697 | 6185 | static struct face * |
39506348 KH |
6186 | realize_tty_face (cache, attrs, c) |
6187 | struct face_cache *cache; | |
82641697 | 6188 | Lisp_Object *attrs; |
39506348 | 6189 | int c; |
82641697 GM |
6190 | { |
6191 | struct face *face; | |
6192 | int weight, slant; | |
2d764c78 | 6193 | int face_colors_defaulted = 0; |
ae4b4ba5 | 6194 | struct frame *f = cache->f; |
729425b1 | 6195 | |
82641697 | 6196 | /* Frame must be a termcap frame. */ |
39506348 | 6197 | xassert (FRAME_TERMCAP_P (cache->f) || FRAME_MSDOS_P (cache->f)); |
178c5d9c | 6198 | |
82641697 | 6199 | /* Allocate a new realized face. */ |
39506348 KH |
6200 | face = make_realized_face (attrs); |
6201 | face->font_name = FRAME_MSDOS_P (cache->f) ? "ms-dos" : "tty"; | |
82641697 | 6202 | |
178c5d9c | 6203 | /* Map face attributes to TTY appearances. We map slant to |
82641697 GM |
6204 | dimmed text because we want italic text to appear differently |
6205 | and because dimmed text is probably used infrequently. */ | |
6206 | weight = face_numeric_weight (attrs[LFACE_WEIGHT_INDEX]); | |
6207 | slant = face_numeric_slant (attrs[LFACE_SLANT_INDEX]); | |
6208 | ||
6209 | if (weight > XLFD_WEIGHT_MEDIUM) | |
6210 | face->tty_bold_p = 1; | |
6211 | if (weight < XLFD_WEIGHT_MEDIUM || slant != XLFD_SLANT_ROMAN) | |
6212 | face->tty_dim_p = 1; | |
6213 | if (!NILP (attrs[LFACE_UNDERLINE_INDEX])) | |
6214 | face->tty_underline_p = 1; | |
6215 | if (!NILP (attrs[LFACE_INVERSE_INDEX])) | |
6216 | face->tty_reverse_p = 1; | |
6217 | ||
6218 | /* Map color names to color indices. */ | |
ae4b4ba5 GM |
6219 | map_tty_color (f, face, LFACE_FOREGROUND_INDEX, &face_colors_defaulted); |
6220 | map_tty_color (f, face, LFACE_BACKGROUND_INDEX, &face_colors_defaulted); | |
6221 | ||
2d764c78 EZ |
6222 | /* Swap colors if face is inverse-video. If the colors are taken |
6223 | from the frame colors, they are already inverted, since the | |
6224 | frame-creation function calls x-handle-reverse-video. */ | |
6225 | if (face->tty_reverse_p && !face_colors_defaulted) | |
44747bd0 EZ |
6226 | { |
6227 | unsigned long tem = face->foreground; | |
44747bd0 EZ |
6228 | face->foreground = face->background; |
6229 | face->background = tem; | |
6230 | } | |
44747bd0 | 6231 | |
a4a76b61 GM |
6232 | if (tty_suppress_bold_inverse_default_colors_p |
6233 | && face->tty_bold_p | |
6234 | && face->background == FACE_TTY_DEFAULT_FG_COLOR | |
6235 | && face->foreground == FACE_TTY_DEFAULT_BG_COLOR) | |
6236 | face->tty_bold_p = 0; | |
6237 | ||
82641697 | 6238 | return face; |
729425b1 | 6239 | } |
867dd159 | 6240 | |
82641697 | 6241 | |
a4a76b61 GM |
6242 | DEFUN ("tty-suppress-bold-inverse-default-colors", |
6243 | Ftty_suppress_bold_inverse_default_colors, | |
6244 | Stty_suppress_bold_inverse_default_colors, 1, 1, 0, | |
6245 | "Suppress/allow boldness of faces with inverse default colors.\n\ | |
6246 | SUPPRESS non-nil means suppress it.\n\ | |
1beeb7e3 GM |
6247 | This affects bold faces on TTYs whose foreground is the default background\n\ |
6248 | color of the display and whose background is the default foreground color.\n\ | |
41e757a6 GM |
6249 | For such faces, the bold face attribute is ignored if this variable\n\ |
6250 | is non-nil.") | |
a4a76b61 GM |
6251 | (suppress) |
6252 | Lisp_Object suppress; | |
6253 | { | |
6254 | tty_suppress_bold_inverse_default_colors_p = !NILP (suppress); | |
6255 | ++face_change_count; | |
6256 | return suppress; | |
6257 | } | |
6258 | ||
6259 | ||
82641697 GM |
6260 | \f |
6261 | /*********************************************************************** | |
6262 | Computing Faces | |
6263 | ***********************************************************************/ | |
6264 | ||
6265 | /* Return the ID of the face to use to display character CH with face | |
6266 | property PROP on frame F in current_buffer. */ | |
2e16580f RS |
6267 | |
6268 | int | |
82641697 | 6269 | compute_char_face (f, ch, prop) |
2e16580f | 6270 | struct frame *f; |
82641697 GM |
6271 | int ch; |
6272 | Lisp_Object prop; | |
2e16580f | 6273 | { |
82641697 | 6274 | int face_id; |
39506348 KH |
6275 | |
6276 | if (NILP (current_buffer->enable_multibyte_characters)) | |
6277 | ch = -1; | |
178c5d9c | 6278 | |
82641697 | 6279 | if (NILP (prop)) |
39506348 KH |
6280 | { |
6281 | struct face *face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
6282 | face_id = FACE_FOR_CHAR (f, face, ch); | |
6283 | } | |
82641697 | 6284 | else |
2e16580f | 6285 | { |
82641697 GM |
6286 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; |
6287 | struct face *default_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); | |
6288 | bcopy (default_face->lface, attrs, sizeof attrs); | |
6289 | merge_face_vector_with_property (f, attrs, prop); | |
39506348 | 6290 | face_id = lookup_face (f, attrs, ch, NULL); |
2e16580f RS |
6291 | } |
6292 | ||
82641697 | 6293 | return face_id; |
2e16580f | 6294 | } |
bc0db68d | 6295 | |
b349f4fb | 6296 | |
82641697 GM |
6297 | /* Return the face ID associated with buffer position POS for |
6298 | displaying ASCII characters. Return in *ENDPTR the position at | |
6299 | which a different face is needed, as far as text properties and | |
6300 | overlays are concerned. W is a window displaying current_buffer. | |
6301 | ||
6302 | REGION_BEG, REGION_END delimit the region, so it can be | |
6303 | highlighted. | |
6f134486 | 6304 | |
82641697 GM |
6305 | LIMIT is a position not to scan beyond. That is to limit the time |
6306 | this function can take. | |
6307 | ||
6308 | If MOUSE is non-zero, use the character's mouse-face, not its face. | |
6309 | ||
39506348 | 6310 | The face returned is suitable for displaying ASCII characters. */ |
bc0db68d | 6311 | |
cb637678 | 6312 | int |
82641697 GM |
6313 | face_at_buffer_position (w, pos, region_beg, region_end, |
6314 | endptr, limit, mouse) | |
f211082d | 6315 | struct window *w; |
7b7739b1 | 6316 | int pos; |
bc0db68d | 6317 | int region_beg, region_end; |
7b7739b1 | 6318 | int *endptr; |
b349f4fb | 6319 | int limit; |
6f134486 | 6320 | int mouse; |
7b7739b1 | 6321 | { |
82641697 GM |
6322 | struct frame *f = XFRAME (w->frame); |
6323 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
b6d40e46 | 6324 | Lisp_Object prop, position; |
82641697 | 6325 | int i, noverlays; |
7b7739b1 | 6326 | Lisp_Object *overlay_vec; |
f211082d | 6327 | Lisp_Object frame; |
f6b98e0b | 6328 | int endpos; |
82641697 GM |
6329 | Lisp_Object propname = mouse ? Qmouse_face : Qface; |
6330 | Lisp_Object limit1, end; | |
6331 | struct face *default_face; | |
6332 | int multibyte_p = !NILP (current_buffer->enable_multibyte_characters); | |
f6b98e0b JB |
6333 | |
6334 | /* W must display the current buffer. We could write this function | |
6335 | to use the frame and buffer of W, but right now it doesn't. */ | |
060fb5c1 | 6336 | /* xassert (XBUFFER (w->buffer) == current_buffer); */ |
f211082d | 6337 | |
ac22a6c4 | 6338 | XSETFRAME (frame, f); |
82641697 | 6339 | XSETFASTINT (position, pos); |
7b7739b1 | 6340 | |
f6b98e0b | 6341 | endpos = ZV; |
bc0db68d RS |
6342 | if (pos < region_beg && region_beg < endpos) |
6343 | endpos = region_beg; | |
f6b98e0b | 6344 | |
82641697 GM |
6345 | /* Get the `face' or `mouse_face' text property at POS, and |
6346 | determine the next position at which the property changes. */ | |
6f134486 | 6347 | prop = Fget_text_property (position, propname, w->buffer); |
82641697 GM |
6348 | XSETFASTINT (limit1, (limit < endpos ? limit : endpos)); |
6349 | end = Fnext_single_property_change (position, propname, w->buffer, limit1); | |
6350 | if (INTEGERP (end)) | |
6351 | endpos = XINT (end); | |
6f134486 | 6352 | |
82641697 | 6353 | /* Look at properties from overlays. */ |
b6d40e46 | 6354 | { |
f6b98e0b | 6355 | int next_overlay; |
9516fe94 RS |
6356 | int len; |
6357 | ||
6358 | /* First try with room for 40 overlays. */ | |
6359 | len = 40; | |
6360 | overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object)); | |
7af31819 | 6361 | noverlays = overlays_at (pos, 0, &overlay_vec, &len, |
565c8641 | 6362 | &next_overlay, NULL, 0); |
9516fe94 | 6363 | |
82641697 GM |
6364 | /* If there are more than 40, make enough space for all, and try |
6365 | again. */ | |
9516fe94 RS |
6366 | if (noverlays > len) |
6367 | { | |
6368 | len = noverlays; | |
6369 | overlay_vec = (Lisp_Object *) alloca (len * sizeof (Lisp_Object)); | |
82277c2f | 6370 | noverlays = overlays_at (pos, 0, &overlay_vec, &len, |
565c8641 | 6371 | &next_overlay, NULL, 0); |
9516fe94 | 6372 | } |
b6d40e46 | 6373 | |
f6b98e0b JB |
6374 | if (next_overlay < endpos) |
6375 | endpos = next_overlay; | |
b6d40e46 JB |
6376 | } |
6377 | ||
6378 | *endptr = endpos; | |
7b7739b1 | 6379 | |
82641697 | 6380 | default_face = FACE_FROM_ID (f, DEFAULT_FACE_ID); |
178c5d9c | 6381 | |
82641697 GM |
6382 | /* Optimize common cases where we can use the default face. */ |
6383 | if (noverlays == 0 | |
6384 | && NILP (prop) | |
39506348 | 6385 | && !(pos >= region_beg && pos < region_end)) |
82641697 GM |
6386 | return DEFAULT_FACE_ID; |
6387 | ||
6388 | /* Begin with attributes from the default face. */ | |
6389 | bcopy (default_face->lface, attrs, sizeof attrs); | |
6390 | ||
6391 | /* Merge in attributes specified via text properties. */ | |
6392 | if (!NILP (prop)) | |
6393 | merge_face_vector_with_property (f, attrs, prop); | |
6394 | ||
6395 | /* Now merge the overlay data. */ | |
18195655 | 6396 | noverlays = sort_overlays (overlay_vec, noverlays, w); |
18195655 | 6397 | for (i = 0; i < noverlays; i++) |
4699e6d2 | 6398 | { |
18195655 RS |
6399 | Lisp_Object oend; |
6400 | int oendpos; | |
6401 | ||
6402 | prop = Foverlay_get (overlay_vec[i], propname); | |
82641697 GM |
6403 | if (!NILP (prop)) |
6404 | merge_face_vector_with_property (f, attrs, prop); | |
18195655 RS |
6405 | |
6406 | oend = OVERLAY_END (overlay_vec[i]); | |
6407 | oendpos = OVERLAY_POSITION (oend); | |
6408 | if (oendpos < endpos) | |
6409 | endpos = oendpos; | |
6410 | } | |
6411 | ||
82641697 | 6412 | /* If in the region, merge in the region face. */ |
18195655 RS |
6413 | if (pos >= region_beg && pos < region_end) |
6414 | { | |
82641697 GM |
6415 | Lisp_Object region_face = lface_from_face_name (f, Qregion, 0); |
6416 | merge_face_vectors (XVECTOR (region_face)->contents, attrs); | |
178c5d9c | 6417 | |
18195655 RS |
6418 | if (region_end < endpos) |
6419 | endpos = region_end; | |
18195655 RS |
6420 | } |
6421 | ||
6422 | *endptr = endpos; | |
6423 | ||
82641697 | 6424 | /* Look up a realized face with the given face attributes, |
39506348 KH |
6425 | or realize a new one for ASCII characters. */ |
6426 | return lookup_face (f, attrs, 0, NULL); | |
18195655 RS |
6427 | } |
6428 | ||
60573a90 | 6429 | |
82641697 | 6430 | /* Compute the face at character position POS in Lisp string STRING on |
39506348 | 6431 | window W, for ASCII characters. |
7b7739b1 | 6432 | |
82641697 GM |
6433 | If STRING is an overlay string, it comes from position BUFPOS in |
6434 | current_buffer, otherwise BUFPOS is zero to indicate that STRING is | |
6435 | not an overlay string. W must display the current buffer. | |
6436 | REGION_BEG and REGION_END give the start and end positions of the | |
6437 | region; both are -1 if no region is visible. BASE_FACE_ID is the | |
6438 | id of the basic face to merge with. It is usually equal to | |
045dee35 | 6439 | DEFAULT_FACE_ID but can be MODE_LINE_FACE_ID or HEADER_LINE_FACE_ID |
82641697 | 6440 | for strings displayed in the mode or top line. |
178c5d9c | 6441 | |
82641697 GM |
6442 | Set *ENDPTR to the next position where to check for faces in |
6443 | STRING; -1 if the face is constant from POS to the end of the | |
6444 | string. | |
18195655 | 6445 | |
82641697 | 6446 | Value is the id of the face to use. The face returned is suitable |
39506348 | 6447 | for displaying ASCII characters. */ |
fffc2367 | 6448 | |
82641697 GM |
6449 | int |
6450 | face_at_string_position (w, string, pos, bufpos, region_beg, | |
6451 | region_end, endptr, base_face_id) | |
6452 | struct window *w; | |
6453 | Lisp_Object string; | |
6454 | int pos, bufpos; | |
6455 | int region_beg, region_end; | |
6456 | int *endptr; | |
6457 | enum face_id base_face_id; | |
660ed669 | 6458 | { |
82641697 GM |
6459 | Lisp_Object prop, position, end, limit; |
6460 | struct frame *f = XFRAME (WINDOW_FRAME (w)); | |
6461 | Lisp_Object attrs[LFACE_VECTOR_SIZE]; | |
6462 | struct face *base_face; | |
6463 | int multibyte_p = STRING_MULTIBYTE (string); | |
6464 | ||
6465 | /* Get the value of the face property at the current position within | |
6466 | STRING. Value is nil if there is no face property. */ | |
6467 | XSETFASTINT (position, pos); | |
6468 | prop = Fget_text_property (position, Qface, string); | |
6469 | ||
6470 | /* Get the next position at which to check for faces. Value of end | |
6471 | is nil if face is constant all the way to the end of the string. | |
6472 | Otherwise it is a string position where to check faces next. | |
6473 | Limit is the maximum position up to which to check for property | |
6474 | changes in Fnext_single_property_change. Strings are usually | |
6475 | short, so set the limit to the end of the string. */ | |
6476 | XSETFASTINT (limit, XSTRING (string)->size); | |
6477 | end = Fnext_single_property_change (position, Qface, string, limit); | |
6478 | if (INTEGERP (end)) | |
6479 | *endptr = XFASTINT (end); | |
6480 | else | |
6481 | *endptr = -1; | |
6482 | ||
6483 | base_face = FACE_FROM_ID (f, base_face_id); | |
6484 | xassert (base_face); | |
6485 | ||
6486 | /* Optimize the default case that there is no face property and we | |
6487 | are not in the region. */ | |
6488 | if (NILP (prop) | |
6489 | && (base_face_id != DEFAULT_FACE_ID | |
6490 | /* BUFPOS <= 0 means STRING is not an overlay string, so | |
6491 | that the region doesn't have to be taken into account. */ | |
6492 | || bufpos <= 0 | |
6493 | || bufpos < region_beg | |
6494 | || bufpos >= region_end) | |
6495 | && (multibyte_p | |
6496 | /* We can't realize faces for different charsets differently | |
6497 | if we don't have fonts, so we can stop here if not working | |
6498 | on a window-system frame. */ | |
6499 | || !FRAME_WINDOW_P (f) | |
39506348 | 6500 | || FACE_SUITABLE_FOR_CHAR_P (base_face, 0))) |
82641697 GM |
6501 | return base_face->id; |
6502 | ||
6503 | /* Begin with attributes from the base face. */ | |
6504 | bcopy (base_face->lface, attrs, sizeof attrs); | |
6505 | ||
6506 | /* Merge in attributes specified via text properties. */ | |
6507 | if (!NILP (prop)) | |
6508 | merge_face_vector_with_property (f, attrs, prop); | |
6509 | ||
6510 | /* If in the region, merge in the region face. */ | |
6511 | if (bufpos | |
6512 | && bufpos >= region_beg | |
6513 | && bufpos < region_end) | |
a8517066 | 6514 | { |
82641697 GM |
6515 | Lisp_Object region_face = lface_from_face_name (f, Qregion, 0); |
6516 | merge_face_vectors (XVECTOR (region_face)->contents, attrs); | |
a8517066 | 6517 | } |
660ed669 | 6518 | |
82641697 | 6519 | /* Look up a realized face with the given face attributes, |
39506348 KH |
6520 | or realize a new one for ASCII characters. */ |
6521 | return lookup_face (f, attrs, 0, NULL); | |
660ed669 JB |
6522 | } |
6523 | ||
6524 | ||
c115973b | 6525 | \f |
82641697 GM |
6526 | /*********************************************************************** |
6527 | Tests | |
6528 | ***********************************************************************/ | |
c115973b | 6529 | |
82641697 | 6530 | #if GLYPH_DEBUG |
c115973b | 6531 | |
82641697 | 6532 | /* Print the contents of the realized face FACE to stderr. */ |
c115973b | 6533 | |
82641697 GM |
6534 | static void |
6535 | dump_realized_face (face) | |
6536 | struct face *face; | |
6537 | { | |
6538 | fprintf (stderr, "ID: %d\n", face->id); | |
6539 | #ifdef HAVE_X_WINDOWS | |
6540 | fprintf (stderr, "gc: %d\n", (int) face->gc); | |
6541 | #endif | |
6542 | fprintf (stderr, "foreground: 0x%lx (%s)\n", | |
6543 | face->foreground, | |
6544 | XSTRING (face->lface[LFACE_FOREGROUND_INDEX])->data); | |
6545 | fprintf (stderr, "background: 0x%lx (%s)\n", | |
6546 | face->background, | |
6547 | XSTRING (face->lface[LFACE_BACKGROUND_INDEX])->data); | |
6548 | fprintf (stderr, "font_name: %s (%s)\n", | |
6549 | face->font_name, | |
6550 | XSTRING (face->lface[LFACE_FAMILY_INDEX])->data); | |
6551 | #ifdef HAVE_X_WINDOWS | |
6552 | fprintf (stderr, "font = %p\n", face->font); | |
6553 | #endif | |
6554 | fprintf (stderr, "font_info_id = %d\n", face->font_info_id); | |
6555 | fprintf (stderr, "fontset: %d\n", face->fontset); | |
6556 | fprintf (stderr, "underline: %d (%s)\n", | |
6557 | face->underline_p, | |
6558 | XSTRING (Fsymbol_name (face->lface[LFACE_UNDERLINE_INDEX]))->data); | |
6559 | fprintf (stderr, "hash: %d\n", face->hash); | |
6560 | fprintf (stderr, "charset: %d\n", face->charset); | |
c115973b JB |
6561 | } |
6562 | ||
6563 | ||
82641697 GM |
6564 | DEFUN ("dump-face", Fdump_face, Sdump_face, 0, 1, 0, "") |
6565 | (n) | |
6566 | Lisp_Object n; | |
c115973b | 6567 | { |
82641697 | 6568 | if (NILP (n)) |
c115973b | 6569 | { |
82641697 | 6570 | int i; |
178c5d9c | 6571 | |
82641697 GM |
6572 | fprintf (stderr, "font selection order: "); |
6573 | for (i = 0; i < DIM (font_sort_order); ++i) | |
6574 | fprintf (stderr, "%d ", font_sort_order[i]); | |
6575 | fprintf (stderr, "\n"); | |
6576 | ||
6577 | fprintf (stderr, "alternative fonts: "); | |
6578 | debug_print (Vface_alternative_font_family_alist); | |
6579 | fprintf (stderr, "\n"); | |
178c5d9c | 6580 | |
c0617987 | 6581 | for (i = 0; i < FRAME_FACE_CACHE (SELECTED_FRAME ())->used; ++i) |
82641697 | 6582 | Fdump_face (make_number (i)); |
c115973b JB |
6583 | } |
6584 | else | |
f5e278c7 | 6585 | { |
82641697 GM |
6586 | struct face *face; |
6587 | CHECK_NUMBER (n, 0); | |
c0617987 | 6588 | face = FACE_FROM_ID (SELECTED_FRAME (), XINT (n)); |
82641697 GM |
6589 | if (face == NULL) |
6590 | error ("Not a valid face"); | |
6591 | dump_realized_face (face); | |
f5e278c7 | 6592 | } |
178c5d9c | 6593 | |
c115973b JB |
6594 | return Qnil; |
6595 | } | |
b5c53576 | 6596 | |
b5c53576 | 6597 | |
82641697 GM |
6598 | DEFUN ("show-face-resources", Fshow_face_resources, Sshow_face_resources, |
6599 | 0, 0, 0, "") | |
6600 | () | |
b5c53576 | 6601 | { |
82641697 GM |
6602 | fprintf (stderr, "number of colors = %d\n", ncolors_allocated); |
6603 | fprintf (stderr, "number of pixmaps = %d\n", npixmaps_allocated); | |
6604 | fprintf (stderr, "number of GCs = %d\n", ngcs); | |
6605 | return Qnil; | |
b5c53576 RS |
6606 | } |
6607 | ||
82641697 GM |
6608 | #endif /* GLYPH_DEBUG != 0 */ |
6609 | ||
b5c53576 | 6610 | |
c115973b | 6611 | \f |
82641697 GM |
6612 | /*********************************************************************** |
6613 | Initialization | |
6614 | ***********************************************************************/ | |
cb637678 | 6615 | |
c115973b | 6616 | void |
f211082d | 6617 | syms_of_xfaces () |
c115973b | 6618 | { |
f211082d JB |
6619 | Qface = intern ("face"); |
6620 | staticpro (&Qface); | |
fef04523 GM |
6621 | Qbitmap_spec_p = intern ("bitmap-spec-p"); |
6622 | staticpro (&Qbitmap_spec_p); | |
92610620 GM |
6623 | Qframe_update_face_colors = intern ("frame-update-face-colors"); |
6624 | staticpro (&Qframe_update_face_colors); | |
178c5d9c | 6625 | |
82641697 GM |
6626 | /* Lisp face attribute keywords. */ |
6627 | QCfamily = intern (":family"); | |
6628 | staticpro (&QCfamily); | |
6629 | QCheight = intern (":height"); | |
6630 | staticpro (&QCheight); | |
6631 | QCweight = intern (":weight"); | |
6632 | staticpro (&QCweight); | |
6633 | QCslant = intern (":slant"); | |
6634 | staticpro (&QCslant); | |
6635 | QCunderline = intern (":underline"); | |
6636 | staticpro (&QCunderline); | |
6637 | QCinverse_video = intern (":inverse-video"); | |
178c5d9c | 6638 | staticpro (&QCinverse_video); |
82641697 GM |
6639 | QCreverse_video = intern (":reverse-video"); |
6640 | staticpro (&QCreverse_video); | |
6641 | QCforeground = intern (":foreground"); | |
6642 | staticpro (&QCforeground); | |
6643 | QCbackground = intern (":background"); | |
6644 | staticpro (&QCbackground); | |
6645 | QCstipple = intern (":stipple");; | |
6646 | staticpro (&QCstipple); | |
6647 | QCwidth = intern (":width"); | |
6648 | staticpro (&QCwidth); | |
6649 | QCfont = intern (":font"); | |
6650 | staticpro (&QCfont); | |
6651 | QCbold = intern (":bold"); | |
6652 | staticpro (&QCbold); | |
6653 | QCitalic = intern (":italic"); | |
6654 | staticpro (&QCitalic); | |
6655 | QCoverline = intern (":overline"); | |
6656 | staticpro (&QCoverline); | |
6657 | QCstrike_through = intern (":strike-through"); | |
6658 | staticpro (&QCstrike_through); | |
6659 | QCbox = intern (":box"); | |
6660 | staticpro (&QCbox); | |
6661 | ||
6662 | /* Symbols used for Lisp face attribute values. */ | |
6663 | QCcolor = intern (":color"); | |
6664 | staticpro (&QCcolor); | |
6665 | QCline_width = intern (":line-width"); | |
6666 | staticpro (&QCline_width); | |
6667 | QCstyle = intern (":style"); | |
6668 | staticpro (&QCstyle); | |
6669 | Qreleased_button = intern ("released-button"); | |
6670 | staticpro (&Qreleased_button); | |
6671 | Qpressed_button = intern ("pressed-button"); | |
6672 | staticpro (&Qpressed_button); | |
6673 | Qnormal = intern ("normal"); | |
6674 | staticpro (&Qnormal); | |
6675 | Qultra_light = intern ("ultra-light"); | |
6676 | staticpro (&Qultra_light); | |
6677 | Qextra_light = intern ("extra-light"); | |
6678 | staticpro (&Qextra_light); | |
6679 | Qlight = intern ("light"); | |
6680 | staticpro (&Qlight); | |
6681 | Qsemi_light = intern ("semi-light"); | |
6682 | staticpro (&Qsemi_light); | |
6683 | Qsemi_bold = intern ("semi-bold"); | |
6684 | staticpro (&Qsemi_bold); | |
6685 | Qbold = intern ("bold"); | |
6686 | staticpro (&Qbold); | |
6687 | Qextra_bold = intern ("extra-bold"); | |
6688 | staticpro (&Qextra_bold); | |
6689 | Qultra_bold = intern ("ultra-bold"); | |
6690 | staticpro (&Qultra_bold); | |
6691 | Qoblique = intern ("oblique"); | |
6692 | staticpro (&Qoblique); | |
6693 | Qitalic = intern ("italic"); | |
6694 | staticpro (&Qitalic); | |
6695 | Qreverse_oblique = intern ("reverse-oblique"); | |
6696 | staticpro (&Qreverse_oblique); | |
6697 | Qreverse_italic = intern ("reverse-italic"); | |
6698 | staticpro (&Qreverse_italic); | |
6699 | Qultra_condensed = intern ("ultra-condensed"); | |
6700 | staticpro (&Qultra_condensed); | |
6701 | Qextra_condensed = intern ("extra-condensed"); | |
6702 | staticpro (&Qextra_condensed); | |
6703 | Qcondensed = intern ("condensed"); | |
6704 | staticpro (&Qcondensed); | |
6705 | Qsemi_condensed = intern ("semi-condensed"); | |
6706 | staticpro (&Qsemi_condensed); | |
6707 | Qsemi_expanded = intern ("semi-expanded"); | |
6708 | staticpro (&Qsemi_expanded); | |
6709 | Qexpanded = intern ("expanded"); | |
6710 | staticpro (&Qexpanded); | |
6711 | Qextra_expanded = intern ("extra-expanded"); | |
6712 | staticpro (&Qextra_expanded); | |
6713 | Qultra_expanded = intern ("ultra-expanded"); | |
6714 | staticpro (&Qultra_expanded); | |
6715 | Qbackground_color = intern ("background-color"); | |
6716 | staticpro (&Qbackground_color); | |
6717 | Qforeground_color = intern ("foreground-color"); | |
6718 | staticpro (&Qforeground_color); | |
6719 | Qunspecified = intern ("unspecified"); | |
6720 | staticpro (&Qunspecified); | |
6721 | ||
92610620 GM |
6722 | Qface_alias = intern ("face-alias"); |
6723 | staticpro (&Qface_alias); | |
82641697 GM |
6724 | Qdefault = intern ("default"); |
6725 | staticpro (&Qdefault); | |
9ea173e8 GM |
6726 | Qtool_bar = intern ("tool-bar"); |
6727 | staticpro (&Qtool_bar); | |
82641697 GM |
6728 | Qregion = intern ("region"); |
6729 | staticpro (&Qregion); | |
8bd201d6 GM |
6730 | Qfringe = intern ("fringe"); |
6731 | staticpro (&Qfringe); | |
045dee35 GM |
6732 | Qheader_line = intern ("header-line"); |
6733 | staticpro (&Qheader_line); | |
8bd201d6 GM |
6734 | Qscroll_bar = intern ("scroll-bar"); |
6735 | staticpro (&Qscroll_bar); | |
c7ae3284 GM |
6736 | Qmenu = intern ("menu"); |
6737 | staticpro (&Qmenu); | |
8bd201d6 GM |
6738 | Qcursor = intern ("cursor"); |
6739 | staticpro (&Qcursor); | |
6740 | Qborder = intern ("border"); | |
6741 | staticpro (&Qborder); | |
6742 | Qmouse = intern ("mouse"); | |
6743 | staticpro (&Qmouse); | |
2d764c78 EZ |
6744 | Qtty_color_desc = intern ("tty-color-desc"); |
6745 | staticpro (&Qtty_color_desc); | |
6746 | Qtty_color_by_index = intern ("tty-color-by-index"); | |
6747 | staticpro (&Qtty_color_by_index); | |
ae4b4ba5 GM |
6748 | Qtty_color_alist = intern ("tty-color-alist"); |
6749 | staticpro (&Qtty_color_alist); | |
82641697 | 6750 | |
434b9cc5 GM |
6751 | Vface_alternative_font_family_alist = Qnil; |
6752 | staticpro (&Vface_alternative_font_family_alist); | |
6753 | ||
82641697 GM |
6754 | defsubr (&Sinternal_make_lisp_face); |
6755 | defsubr (&Sinternal_lisp_face_p); | |
6756 | defsubr (&Sinternal_set_lisp_face_attribute); | |
c3cee013 | 6757 | #ifdef HAVE_WINDOW_SYSTEM |
82641697 | 6758 | defsubr (&Sinternal_set_lisp_face_attribute_from_resource); |
42608ba8 | 6759 | #endif |
ea4fa0af GM |
6760 | defsubr (&Scolor_gray_p); |
6761 | defsubr (&Scolor_supported_p); | |
82641697 GM |
6762 | defsubr (&Sinternal_get_lisp_face_attribute); |
6763 | defsubr (&Sinternal_lisp_face_attribute_values); | |
6764 | defsubr (&Sinternal_lisp_face_equal_p); | |
6765 | defsubr (&Sinternal_lisp_face_empty_p); | |
6766 | defsubr (&Sinternal_copy_lisp_face); | |
6767 | defsubr (&Sinternal_merge_in_global_face); | |
6768 | defsubr (&Sface_font); | |
6769 | defsubr (&Sframe_face_alist); | |
6770 | defsubr (&Sinternal_set_font_selection_order); | |
6771 | defsubr (&Sinternal_set_alternative_font_family_alist); | |
6772 | #if GLYPH_DEBUG | |
6773 | defsubr (&Sdump_face); | |
6774 | defsubr (&Sshow_face_resources); | |
6775 | #endif /* GLYPH_DEBUG */ | |
6776 | defsubr (&Sclear_face_cache); | |
a4a76b61 | 6777 | defsubr (&Stty_suppress_bold_inverse_default_colors); |
82641697 | 6778 | |
38426dee | 6779 | #if defined DEBUG_X_COLORS && defined HAVE_X_WINDOWS |
08dc08dc GM |
6780 | defsubr (&Sdump_colors); |
6781 | #endif | |
6782 | ||
057df17c GM |
6783 | DEFVAR_LISP ("font-list-limit", &Vfont_list_limit, |
6784 | "*Limit for font matching.\n\ | |
6785 | If an integer > 0, font matching functions won't load more than\n\ | |
6786 | that number of fonts when searching for a matching font."); | |
6787 | Vfont_list_limit = make_number (DEFAULT_FONT_LIST_LIMIT); | |
6788 | ||
82641697 GM |
6789 | DEFVAR_LISP ("face-new-frame-defaults", &Vface_new_frame_defaults, |
6790 | "List of global face definitions (for internal use only.)"); | |
6791 | Vface_new_frame_defaults = Qnil; | |
178c5d9c | 6792 | |
82641697 GM |
6793 | DEFVAR_LISP ("face-default-stipple", &Vface_default_stipple, |
6794 | "*Default stipple pattern used on monochrome displays.\n\ | |
6795 | This stipple pattern is used on monochrome displays\n\ | |
6796 | instead of shades of gray for a face background color.\n\ | |
6797 | See `set-face-stipple' for possible values for this variable."); | |
6798 | Vface_default_stipple = build_string ("gray3"); | |
6799 | ||
ae4b4ba5 GM |
6800 | DEFVAR_LISP ("tty-defined-color-alist", &Vtty_defined_color_alist, |
6801 | "An alist of defined terminal colors and their RGB values."); | |
6802 | Vtty_defined_color_alist = Qnil; | |
6803 | ||
82641697 | 6804 | #if SCALABLE_FONTS |
178c5d9c | 6805 | |
82641697 GM |
6806 | DEFVAR_LISP ("scalable-fonts-allowed", &Vscalable_fonts_allowed, |
6807 | "Allowed scalable fonts.\n\ | |
6808 | A value of nil means don't allow any scalable fonts.\n\ | |
6809 | A value of t means allow any scalable font.\n\ | |
6810 | Otherwise, value must be a list of regular expressions. A font may be\n\ | |
6811 | scaled if its name matches a regular expression in the list."); | |
c3cee013 JR |
6812 | #ifdef WINDOWSNT |
6813 | /* Windows uses mainly truetype fonts, so disallowing scalable fonts | |
6814 | by default limits the fonts available severely. */ | |
6815 | Vscalable_fonts_allowed = Qt; | |
6816 | #else | |
82641697 | 6817 | Vscalable_fonts_allowed = Qnil; |
c3cee013 | 6818 | #endif |
82641697 | 6819 | #endif /* SCALABLE_FONTS */ |
b5c53576 | 6820 | |
c3cee013 | 6821 | #ifdef HAVE_WINDOW_SYSTEM |
fef04523 | 6822 | defsubr (&Sbitmap_spec_p); |
82641697 GM |
6823 | defsubr (&Sx_list_fonts); |
6824 | defsubr (&Sinternal_face_x_get_resource); | |
92610620 | 6825 | defsubr (&Sx_family_fonts); |
82641697 | 6826 | defsubr (&Sx_font_family_list); |
c3cee013 | 6827 | #endif /* HAVE_WINDOW_SYSTEM */ |
c115973b | 6828 | } |