1 /* xfaces.c -- "Face" primitives.
2 Copyright (C) 1993, 1994, 1998, 1999, 2000, 2001, 2002, 2003, 2004,
3 2005, 2006, 2007, 2008 Free Software Foundation, Inc.
5 This file is part of GNU Emacs.
7 GNU Emacs is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 3 of the License, or
10 (at your option) any later version.
12 GNU Emacs is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
20 /* New face implementation by Gerd Moellmann <gerd@gnu.org>. */
24 When using Emacs with X, the display style of characters can be
25 changed by defining `faces'. Each face can specify the following
30 2. Relative proportionate width, aka character set width or set
31 width (swidth), e.g. `semi-compressed'.
33 3. Font height in 1/10pt.
35 4. Font weight, e.g. `bold'.
37 5. Font slant, e.g. `italic'.
43 8. Whether or not characters should be underlined, and in what color.
45 9. Whether or not characters should be displayed in inverse video.
47 10. A background stipple, a bitmap.
49 11. Whether or not characters should be overlined, and in what color.
51 12. Whether or not characters should be strike-through, and in what
54 13. Whether or not a box should be drawn around characters, the box
55 type, and, for simple boxes, in what color.
57 14. Font-spec, or nil. This is a special attribute.
59 A font-spec is a collection of font attributes (specs).
61 When this attribute is specified, the face uses a font matching
62 with the specs as is except for what overwritten by the specs in
63 the fontset (see below). In addition, the other font-related
64 attributes (1st thru 5th) are updated from the spec.
66 On the other hand, if one of the other font-related attributes are
67 specified, the correspoinding specs in this attribute is set to nil.
69 15. A face name or list of face names from which to inherit attributes.
71 16. A specified average font width, which is invisible from Lisp,
72 and is used to ensure that a font specified on the command line,
73 for example, can be matched exactly.
75 17. A fontset name. This is another special attribute.
77 A fontset is a mappings from characters to font-specs, and the
78 specs overwrite the font-spec in the 14th attribute.
81 Faces are frame-local by nature because Emacs allows to define the
82 same named face (face names are symbols) differently for different
83 frames. Each frame has an alist of face definitions for all named
84 faces. The value of a named face in such an alist is a Lisp vector
85 with the symbol `face' in slot 0, and a slot for each of the face
86 attributes mentioned above.
88 There is also a global face alist `Vface_new_frame_defaults'. Face
89 definitions from this list are used to initialize faces of newly
92 A face doesn't have to specify all attributes. Those not specified
93 have a value of `unspecified'. Faces specifying all attributes but
94 the 14th are called `fully-specified'.
99 The display style of a given character in the text is determined by
100 combining several faces. This process is called `face merging'.
101 Any aspect of the display style that isn't specified by overlays or
102 text properties is taken from the `default' face. Since it is made
103 sure that the default face is always fully-specified, face merging
104 always results in a fully-specified face.
109 After all face attributes for a character have been determined by
110 merging faces of that character, that face is `realized'. The
111 realization process maps face attributes to what is physically
112 available on the system where Emacs runs. The result is a
113 `realized face' in form of a struct face which is stored in the
114 face cache of the frame on which it was realized.
116 Face realization is done in the context of the character to display
117 because different fonts may be used for different characters. In
118 other words, for characters that have different font
119 specifications, different realized faces are needed to display
122 Font specification is done by fontsets. See the comment in
123 fontset.c for the details. In the current implementation, all ASCII
124 characters share the same font in a fontset.
126 Faces are at first realized for ASCII characters, and, at that
127 time, assigned a specific realized fontset. Hereafter, we call
128 such a face as `ASCII face'. When a face for a multibyte character
129 is realized, it inherits (thus shares) a fontset of an ASCII face
130 that has the same attributes other than font-related ones.
132 Thus, all realized faces have a realized fontset.
137 Unibyte text (i.e. raw 8-bit characters) is displayed with the same
138 font as ASCII characters. That is because it is expected that
139 unibyte text users specify a font that is suitable both for ASCII
140 and raw 8-bit characters.
145 Font selection tries to find the best available matching font for a
146 given (character, face) combination.
148 If the face specifies a fontset name, that fontset determines a
149 pattern for fonts of the given character. If the face specifies a
150 font name or the other font-related attributes, a fontset is
151 realized from the default fontset. In that case, that
152 specification determines a pattern for ASCII characters and the
153 default fontset determines a pattern for multibyte characters.
155 Available fonts on the system on which Emacs runs are then matched
156 against the font pattern. The result of font selection is the best
157 match for the given face attributes in this font list.
159 Font selection can be influenced by the user.
161 1. The user can specify the relative importance he gives the face
162 attributes width, height, weight, and slant by setting
163 face-font-selection-order (faces.el) to a list of face attribute
164 names. The default is '(:width :height :weight :slant), and means
165 that font selection first tries to find a good match for the font
166 width specified by a face, then---within fonts with that
167 width---tries to find a best match for the specified font height,
170 2. Setting face-font-family-alternatives allows the user to
171 specify alternative font families to try if a family specified by a
174 3. Setting face-font-registry-alternatives allows the user to
175 specify all alternative font registries to try for a face
176 specifying a registry.
178 4. Setting face-ignored-fonts allows the user to ignore specific
182 Character composition.
184 Usually, the realization process is already finished when Emacs
185 actually reflects the desired glyph matrix on the screen. However,
186 on displaying a composition (sequence of characters to be composed
187 on the screen), a suitable font for the components of the
188 composition is selected and realized while drawing them on the
189 screen, i.e. the realization process is delayed but in principle
193 Initialization of basic faces.
195 The faces `default', `modeline' are considered `basic faces'.
196 When redisplay happens the first time for a newly created frame,
197 basic faces are realized for CHARSET_ASCII. Frame parameters are
198 used to fill in unspecified attributes of the default face. */
202 #include <sys/types.h>
203 #include <sys/stat.h>
204 #include <stdio.h> /* This needs to be before termchar.h */
207 #include "character.h"
209 #include "keyboard.h"
211 #include "termhooks.h"
213 #ifdef HAVE_X_WINDOWS
217 #include <Xm/XmStrDefs.h>
218 #endif /* USE_MOTIF */
219 #endif /* HAVE_X_WINDOWS */
228 /* Redefine X specifics to W32 equivalents to avoid cluttering the
229 code with #ifdef blocks. */
230 #undef FRAME_X_DISPLAY_INFO
231 #define FRAME_X_DISPLAY_INFO FRAME_W32_DISPLAY_INFO
232 #define x_display_info w32_display_info
233 #define FRAME_X_FONT_TABLE FRAME_W32_FONT_TABLE
234 #define check_x check_w32
235 #define x_list_fonts w32_list_fonts
236 #define GCGraphicsExposures 0
237 #endif /* WINDOWSNT */
241 #define x_display_info mac_display_info
242 #define check_x check_mac
246 #include "dispextern.h"
247 #include "blockinput.h"
249 #include "intervals.h"
250 #include "termchar.h"
252 #ifdef HAVE_WINDOW_SYSTEM
255 #endif /* HAVE_WINDOW_SYSTEM */
257 #ifdef HAVE_X_WINDOWS
259 /* Compensate for a bug in Xos.h on some systems, on which it requires
260 time.h. On some such systems, Xos.h tries to redefine struct
261 timeval and struct timezone if USG is #defined while it is
264 #ifdef XOS_NEEDS_TIME_H
270 #else /* not XOS_NEEDS_TIME_H */
272 #endif /* not XOS_NEEDS_TIME_H */
274 #endif /* HAVE_X_WINDOWS */
278 /* Number of pt per inch (from the TeXbook). */
280 #define PT_PER_INCH 72.27
282 /* Non-zero if face attribute ATTR is unspecified. */
284 #define UNSPECIFIEDP(ATTR) EQ ((ATTR), Qunspecified)
286 /* Non-zero if face attribute ATTR is `ignore-defface'. */
288 #define IGNORE_DEFFACE_P(ATTR) EQ ((ATTR), Qignore_defface)
290 /* Value is the number of elements of VECTOR. */
292 #define DIM(VECTOR) (sizeof (VECTOR) / sizeof *(VECTOR))
294 /* Make a copy of string S on the stack using alloca. Value is a pointer
297 #define STRDUPA(S) strcpy ((char *) alloca (strlen ((S)) + 1), (S))
299 /* Make a copy of the contents of Lisp string S on the stack using
300 alloca. Value is a pointer to the copy. */
302 #define LSTRDUPA(S) STRDUPA (SDATA ((S)))
304 /* Size of hash table of realized faces in face caches (should be a
307 #define FACE_CACHE_BUCKETS_SIZE 1001
309 /* Keyword symbols used for face attribute names. */
311 Lisp_Object QCfamily
, QCheight
, QCweight
, QCslant
, QCunderline
;
312 Lisp_Object QCinverse_video
, QCforeground
, QCbackground
, QCstipple
;
313 Lisp_Object QCwidth
, QCfont
, QCbold
, QCitalic
;
314 Lisp_Object QCreverse_video
;
315 Lisp_Object QCoverline
, QCstrike_through
, QCbox
, QCinherit
;
316 Lisp_Object QCfontset
;
318 /* Keywords symbols used for font properties. */
319 extern Lisp_Object QCfoundry
, QCadstyle
, QCregistry
;
320 extern Lisp_Object QCspacing
, QCsize
, QCavgwidth
;
321 extern Lisp_Object Qp
;
323 /* Symbols used for attribute values. */
325 Lisp_Object Qnormal
, Qbold
, Qultra_light
, Qextra_light
, Qlight
;
326 Lisp_Object Qsemi_light
, Qsemi_bold
, Qextra_bold
, Qultra_bold
;
327 Lisp_Object Qoblique
, Qitalic
, Qreverse_oblique
, Qreverse_italic
;
328 Lisp_Object Qultra_condensed
, Qextra_condensed
, Qcondensed
;
329 Lisp_Object Qsemi_condensed
, Qsemi_expanded
, Qexpanded
, Qextra_expanded
;
330 Lisp_Object Qultra_expanded
;
331 Lisp_Object Qreleased_button
, Qpressed_button
;
332 Lisp_Object QCstyle
, QCcolor
, QCline_width
;
333 Lisp_Object Qunspecified
;
334 Lisp_Object Qignore_defface
;
336 char unspecified_fg
[] = "unspecified-fg", unspecified_bg
[] = "unspecified-bg";
338 /* The name of the function to call when the background of the frame
339 has changed, frame_set_background_mode. */
341 Lisp_Object Qframe_set_background_mode
;
343 /* Names of basic faces. */
345 Lisp_Object Qdefault
, Qtool_bar
, Qregion
, Qfringe
;
346 Lisp_Object Qheader_line
, Qscroll_bar
, Qcursor
, Qborder
, Qmouse
, Qmenu
;
347 Lisp_Object Qmode_line_inactive
, Qvertical_border
;
348 extern Lisp_Object Qmode_line
;
350 /* The symbol `face-alias'. A symbols having that property is an
351 alias for another face. Value of the property is the name of
354 Lisp_Object Qface_alias
;
356 extern Lisp_Object Qcircular_list
;
358 /* Default stipple pattern used on monochrome displays. This stipple
359 pattern is used on monochrome displays instead of shades of gray
360 for a face background color. See `set-face-stipple' for possible
361 values for this variable. */
363 Lisp_Object Vface_default_stipple
;
365 /* Alist of alternative font families. Each element is of the form
366 (FAMILY FAMILY1 FAMILY2 ...). If fonts of FAMILY can't be loaded,
367 try FAMILY1, then FAMILY2, ... */
369 Lisp_Object Vface_alternative_font_family_alist
;
371 /* Alist of alternative font registries. Each element is of the form
372 (REGISTRY REGISTRY1 REGISTRY2...). If fonts of REGISTRY can't be
373 loaded, try REGISTRY1, then REGISTRY2, ... */
375 Lisp_Object Vface_alternative_font_registry_alist
;
377 /* Allowed scalable fonts. A value of nil means don't allow any
378 scalable fonts. A value of t means allow the use of any scalable
379 font. Otherwise, value must be a list of regular expressions. A
380 font may be scaled if its name matches a regular expression in the
383 Lisp_Object Vscalable_fonts_allowed
, Qscalable_fonts_allowed
;
385 /* List of regular expressions that matches names of fonts to ignore. */
387 Lisp_Object Vface_ignored_fonts
;
389 /* Alist of font name patterns vs the rescaling factor. */
391 Lisp_Object Vface_font_rescale_alist
;
393 /* Maximum number of fonts to consider in font_list. If not an
394 integer > 0, DEFAULT_FONT_LIST_LIMIT is used instead. */
396 Lisp_Object Vfont_list_limit
;
397 #define DEFAULT_FONT_LIST_LIMIT 100
399 /* The symbols `foreground-color' and `background-color' which can be
400 used as part of a `face' property. This is for compatibility with
403 Lisp_Object Qforeground_color
, Qbackground_color
;
405 /* The symbols `face' and `mouse-face' used as text properties. */
408 extern Lisp_Object Qmouse_face
;
410 /* Property for basic faces which other faces cannot inherit. */
412 Lisp_Object Qface_no_inherit
;
414 /* Error symbol for wrong_type_argument in load_pixmap. */
416 Lisp_Object Qbitmap_spec_p
;
418 /* Alist of global face definitions. Each element is of the form
419 (FACE . LFACE) where FACE is a symbol naming a face and LFACE
420 is a Lisp vector of face attributes. These faces are used
421 to initialize faces for new frames. */
423 Lisp_Object Vface_new_frame_defaults
;
425 /* The next ID to assign to Lisp faces. */
427 static int next_lface_id
;
429 /* A vector mapping Lisp face Id's to face names. */
431 static Lisp_Object
*lface_id_to_name
;
432 static int lface_id_to_name_size
;
434 /* TTY color-related functions (defined in tty-colors.el). */
436 Lisp_Object Qtty_color_desc
, Qtty_color_by_index
, Qtty_color_standard_values
;
438 /* The name of the function used to compute colors on TTYs. */
440 Lisp_Object Qtty_color_alist
;
442 /* An alist of defined terminal colors and their RGB values. */
444 Lisp_Object Vtty_defined_color_alist
;
446 /* Counter for calls to clear_face_cache. If this counter reaches
447 CLEAR_FONT_TABLE_COUNT, and a frame has more than
448 CLEAR_FONT_TABLE_NFONTS load, unused fonts are freed. */
450 static int clear_font_table_count
;
451 #define CLEAR_FONT_TABLE_COUNT 100
452 #define CLEAR_FONT_TABLE_NFONTS 10
454 /* Non-zero means face attributes have been changed since the last
455 redisplay. Used in redisplay_internal. */
457 int face_change_count
;
459 /* Non-zero means don't display bold text if a face's foreground
460 and background colors are the inverse of the default colors of the
461 display. This is a kluge to suppress `bold black' foreground text
462 which is hard to read on an LCD monitor. */
464 int tty_suppress_bold_inverse_default_colors_p
;
466 /* A list of the form `((x . y))' used to avoid consing in
467 Finternal_set_lisp_face_attribute. */
469 static Lisp_Object Vparam_value_alist
;
471 /* The total number of colors currently allocated. */
474 static int ncolors_allocated
;
475 static int npixmaps_allocated
;
479 /* Non-zero means the definition of the `menu' face for new frames has
482 int menu_face_changed_default
;
485 /* Function prototypes. */
489 struct named_merge_point
;
491 static void map_tty_color
P_ ((struct frame
*, struct face
*,
492 enum lface_attribute_index
, int *));
493 static Lisp_Object resolve_face_name
P_ ((Lisp_Object
, int));
494 static int may_use_scalable_font_p
P_ ((const char *));
495 static void set_font_frame_param
P_ ((Lisp_Object
, Lisp_Object
));
496 static int better_font_p
P_ ((int *, struct font_name
*, struct font_name
*,
498 static int x_face_list_fonts
P_ ((struct frame
*, char *,
499 struct font_name
**, int, int));
500 static int get_lface_attributes
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
*, int));
501 static int load_pixmap
P_ ((struct frame
*, Lisp_Object
, unsigned *, unsigned *));
502 static unsigned char *xstrlwr
P_ ((unsigned char *));
503 static struct frame
*frame_or_selected_frame
P_ ((Lisp_Object
, int));
504 static void load_face_font
P_ ((struct frame
*, struct face
*));
505 static void load_face_colors
P_ ((struct frame
*, struct face
*, Lisp_Object
*));
506 static void free_face_colors
P_ ((struct frame
*, struct face
*));
507 static int face_color_gray_p
P_ ((struct frame
*, char *));
508 static char *build_font_name
P_ ((struct font_name
*));
509 static void free_font_names
P_ ((struct font_name
*, int));
510 static int sorted_font_list
P_ ((struct frame
*, char *,
511 int (*cmpfn
) P_ ((const void *, const void *)),
512 struct font_name
**));
513 static int font_list_1
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
,
514 Lisp_Object
, struct font_name
**));
515 static int font_list
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
,
516 Lisp_Object
, struct font_name
**));
517 static int try_font_list
P_ ((struct frame
*, Lisp_Object
,
518 Lisp_Object
, Lisp_Object
, struct font_name
**));
519 static int try_alternative_families
P_ ((struct frame
*f
, Lisp_Object
,
520 Lisp_Object
, struct font_name
**));
521 static int cmp_font_names
P_ ((const void *, const void *));
522 static struct face
*realize_face
P_ ((struct face_cache
*, Lisp_Object
*,
524 static struct face
*realize_non_ascii_face
P_ ((struct frame
*, Lisp_Object
,
526 static struct face
*realize_x_face
P_ ((struct face_cache
*, Lisp_Object
*));
527 static struct face
*realize_tty_face
P_ ((struct face_cache
*, Lisp_Object
*));
528 static int realize_basic_faces
P_ ((struct frame
*));
529 static int realize_default_face
P_ ((struct frame
*));
530 static void realize_named_face
P_ ((struct frame
*, Lisp_Object
, int));
531 static int lface_fully_specified_p
P_ ((Lisp_Object
*));
532 static int lface_equal_p
P_ ((Lisp_Object
*, Lisp_Object
*));
533 static unsigned hash_string_case_insensitive
P_ ((Lisp_Object
));
534 static unsigned lface_hash
P_ ((Lisp_Object
*));
535 static int lface_same_font_attributes_p
P_ ((Lisp_Object
*, Lisp_Object
*));
536 static struct face_cache
*make_face_cache
P_ ((struct frame
*));
537 static void clear_face_gcs
P_ ((struct face_cache
*));
538 static void free_face_cache
P_ ((struct face_cache
*));
539 static int face_fontset
P_ ((Lisp_Object
*));
540 static void merge_face_vectors
P_ ((struct frame
*, Lisp_Object
*, Lisp_Object
*,
541 struct named_merge_point
*));
542 static int merge_face_ref
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
*,
543 int, struct named_merge_point
*));
544 static int set_lface_from_font
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
,
546 static Lisp_Object lface_from_face_name
P_ ((struct frame
*, Lisp_Object
, int));
547 static struct face
*make_realized_face
P_ ((Lisp_Object
*));
548 static char *best_matching_font
P_ ((struct frame
*, Lisp_Object
*,
549 struct font_name
*, int, int, int *));
550 static void cache_face
P_ ((struct face_cache
*, struct face
*, unsigned));
551 static void uncache_face
P_ ((struct face_cache
*, struct face
*));
553 #ifdef HAVE_WINDOW_SYSTEM
555 static GC x_create_gc
P_ ((struct frame
*, unsigned long, XGCValues
*));
556 static void x_free_gc
P_ ((struct frame
*, GC
));
559 extern Lisp_Object w32_list_fonts
P_ ((struct frame
*, Lisp_Object
, int, int));
560 #endif /* WINDOWSNT */
563 static void x_update_menu_appearance
P_ ((struct frame
*));
565 extern void free_frame_menubar
P_ ((struct frame
*));
566 #endif /* USE_X_TOOLKIT */
568 #endif /* HAVE_WINDOW_SYSTEM */
571 /***********************************************************************
573 ***********************************************************************/
575 #ifdef HAVE_X_WINDOWS
577 #ifdef DEBUG_X_COLORS
579 /* The following is a poor mans infrastructure for debugging X color
580 allocation problems on displays with PseudoColor-8. Some X servers
581 like 3.3.5 XF86_SVGA with Matrox cards apparently don't implement
582 color reference counts completely so that they don't signal an
583 error when a color is freed whose reference count is already 0.
584 Other X servers do. To help me debug this, the following code
585 implements a simple reference counting schema of its own, for a
586 single display/screen. --gerd. */
588 /* Reference counts for pixel colors. */
590 int color_count
[256];
592 /* Register color PIXEL as allocated. */
595 register_color (pixel
)
598 xassert (pixel
< 256);
599 ++color_count
[pixel
];
603 /* Register color PIXEL as deallocated. */
606 unregister_color (pixel
)
609 xassert (pixel
< 256);
610 if (color_count
[pixel
] > 0)
611 --color_count
[pixel
];
617 /* Register N colors from PIXELS as deallocated. */
620 unregister_colors (pixels
, n
)
621 unsigned long *pixels
;
625 for (i
= 0; i
< n
; ++i
)
626 unregister_color (pixels
[i
]);
630 DEFUN ("dump-colors", Fdump_colors
, Sdump_colors
, 0, 0, 0,
631 doc
: /* Dump currently allocated colors to stderr. */)
636 fputc ('\n', stderr
);
638 for (i
= n
= 0; i
< sizeof color_count
/ sizeof color_count
[0]; ++i
)
641 fprintf (stderr
, "%3d: %5d", i
, color_count
[i
]);
644 fputc ('\n', stderr
);
646 fputc ('\t', stderr
);
650 fputc ('\n', stderr
);
654 #endif /* DEBUG_X_COLORS */
657 /* Free colors used on frame F. PIXELS is an array of NPIXELS pixel
658 color values. Interrupt input must be blocked when this function
662 x_free_colors (f
, pixels
, npixels
)
664 unsigned long *pixels
;
667 int class = FRAME_X_DISPLAY_INFO (f
)->visual
->class;
669 /* If display has an immutable color map, freeing colors is not
670 necessary and some servers don't allow it. So don't do it. */
671 if (class != StaticColor
&& class != StaticGray
&& class != TrueColor
)
673 #ifdef DEBUG_X_COLORS
674 unregister_colors (pixels
, npixels
);
676 XFreeColors (FRAME_X_DISPLAY (f
), FRAME_X_COLORMAP (f
),
682 /* Free colors used on frame F. PIXELS is an array of NPIXELS pixel
683 color values. Interrupt input must be blocked when this function
687 x_free_dpy_colors (dpy
, screen
, cmap
, pixels
, npixels
)
691 unsigned long *pixels
;
694 struct x_display_info
*dpyinfo
= x_display_info_for_display (dpy
);
695 int class = dpyinfo
->visual
->class;
697 /* If display has an immutable color map, freeing colors is not
698 necessary and some servers don't allow it. So don't do it. */
699 if (class != StaticColor
&& class != StaticGray
&& class != TrueColor
)
701 #ifdef DEBUG_X_COLORS
702 unregister_colors (pixels
, npixels
);
704 XFreeColors (dpy
, cmap
, pixels
, npixels
, 0);
709 /* Create and return a GC for use on frame F. GC values and mask
710 are given by XGCV and MASK. */
713 x_create_gc (f
, mask
, xgcv
)
720 gc
= XCreateGC (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
), mask
, xgcv
);
727 /* Free GC which was used on frame F. */
734 eassert (interrupt_input_blocked
);
735 IF_DEBUG (xassert (--ngcs
>= 0));
736 XFreeGC (FRAME_X_DISPLAY (f
), gc
);
739 #endif /* HAVE_X_WINDOWS */
742 /* W32 emulation of GCs */
745 x_create_gc (f
, mask
, xgcv
)
752 gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, xgcv
);
759 /* Free GC which was used on frame F. */
766 IF_DEBUG (xassert (--ngcs
>= 0));
770 #endif /* WINDOWSNT */
773 /* Mac OS emulation of GCs */
776 x_create_gc (f
, mask
, xgcv
)
783 gc
= XCreateGC (FRAME_MAC_DISPLAY (f
), FRAME_MAC_WINDOW (f
), mask
, xgcv
);
794 eassert (interrupt_input_blocked
);
795 IF_DEBUG (xassert (--ngcs
>= 0));
796 XFreeGC (FRAME_MAC_DISPLAY (f
), gc
);
801 /* Like stricmp. Used to compare parts of font names which are in
806 const unsigned char *s1
, *s2
;
810 unsigned char c1
= tolower (*s1
);
811 unsigned char c2
= tolower (*s2
);
813 return c1
< c2
? -1 : 1;
818 return *s2
== 0 ? 0 : -1;
823 /* Like strlwr, which might not always be available. */
825 static unsigned char *
829 unsigned char *p
= s
;
832 /* On Mac OS X 10.3, tolower also converts non-ASCII characters
841 /* If FRAME is nil, return a pointer to the selected frame.
842 Otherwise, check that FRAME is a live frame, and return a pointer
843 to it. NPARAM is the parameter number of FRAME, for
844 CHECK_LIVE_FRAME. This is here because it's a frequent pattern in
845 Lisp function definitions. */
847 static INLINE
struct frame
*
848 frame_or_selected_frame (frame
, nparam
)
853 frame
= selected_frame
;
855 CHECK_LIVE_FRAME (frame
);
856 return XFRAME (frame
);
860 /***********************************************************************
862 ***********************************************************************/
864 /* Initialize face cache and basic faces for frame F. */
870 /* Make a face cache, if F doesn't have one. */
871 if (FRAME_FACE_CACHE (f
) == NULL
)
872 FRAME_FACE_CACHE (f
) = make_face_cache (f
);
874 #ifdef HAVE_WINDOW_SYSTEM
875 /* Make the image cache. */
876 if (FRAME_WINDOW_P (f
))
878 if (FRAME_IMAGE_CACHE (f
) == NULL
)
879 /* Is that ever possible?? --Stef */
880 FRAME_IMAGE_CACHE (f
) = make_image_cache ();
881 ++FRAME_IMAGE_CACHE (f
)->refcount
;
883 #endif /* HAVE_WINDOW_SYSTEM */
885 /* Realize basic faces. Must have enough information in frame
886 parameters to realize basic faces at this point. */
887 #ifdef HAVE_X_WINDOWS
888 if (!FRAME_X_P (f
) || FRAME_X_WINDOW (f
))
891 if (!FRAME_WINDOW_P (f
) || FRAME_W32_WINDOW (f
))
894 if (!FRAME_MAC_P (f
) || FRAME_MAC_WINDOW (f
))
896 if (!realize_basic_faces (f
))
901 /* Free face cache of frame F. Called from Fdelete_frame. */
907 struct face_cache
*face_cache
= FRAME_FACE_CACHE (f
);
911 free_face_cache (face_cache
);
912 FRAME_FACE_CACHE (f
) = NULL
;
915 #ifdef HAVE_WINDOW_SYSTEM
916 if (FRAME_WINDOW_P (f
))
918 struct image_cache
*image_cache
= FRAME_IMAGE_CACHE (f
);
921 --image_cache
->refcount
;
922 if (image_cache
->refcount
== 0)
923 free_image_cache (f
);
926 #endif /* HAVE_WINDOW_SYSTEM */
930 /* Clear face caches, and recompute basic faces for frame F. Call
931 this after changing frame parameters on which those faces depend,
932 or when realized faces have been freed due to changing attributes
936 recompute_basic_faces (f
)
939 if (FRAME_FACE_CACHE (f
))
941 clear_face_cache (0);
942 if (!realize_basic_faces (f
))
948 /* Clear the face caches of all frames. CLEAR_FONTS_P non-zero means
949 try to free unused fonts, too. */
952 clear_face_cache (clear_fonts_p
)
955 #ifdef HAVE_WINDOW_SYSTEM
956 Lisp_Object tail
, frame
;
960 || ++clear_font_table_count
== CLEAR_FONT_TABLE_COUNT
)
962 struct x_display_info
*dpyinfo
;
965 /* Not yet implemented. */
966 clear_font_cache (frame
);
970 /* From time to time see if we can unload some fonts. This also
971 frees all realized faces on all frames. Fonts needed by
972 faces will be loaded again when faces are realized again. */
973 clear_font_table_count
= 0;
975 FOR_EACH_FRAME (tail
, frame
)
977 struct frame
*f
= XFRAME (frame
);
978 if (FRAME_WINDOW_P (f
)
979 && FRAME_X_DISPLAY_INFO (f
)->n_fonts
> CLEAR_FONT_TABLE_NFONTS
)
980 free_all_realized_faces (frame
);
985 /* Clear GCs of realized faces. */
986 FOR_EACH_FRAME (tail
, frame
)
989 if (FRAME_WINDOW_P (f
))
990 clear_face_gcs (FRAME_FACE_CACHE (f
));
992 clear_image_caches (Qnil
);
994 #endif /* HAVE_WINDOW_SYSTEM */
998 DEFUN ("clear-face-cache", Fclear_face_cache
, Sclear_face_cache
, 0, 1, 0,
999 doc
: /* Clear face caches on all frames.
1000 Optional THOROUGHLY non-nil means try to free unused fonts, too. */)
1002 Lisp_Object thoroughly
;
1004 clear_face_cache (!NILP (thoroughly
));
1005 ++face_change_count
;
1006 ++windows_or_buffers_changed
;
1011 /***********************************************************************
1013 ***********************************************************************/
1015 #ifdef HAVE_WINDOW_SYSTEM
1017 DEFUN ("bitmap-spec-p", Fbitmap_spec_p
, Sbitmap_spec_p
, 1, 1, 0,
1018 doc
: /* Value is non-nil if OBJECT is a valid bitmap specification.
1019 A bitmap specification is either a string, a file name, or a list
1020 \(WIDTH HEIGHT DATA) where WIDTH is the pixel width of the bitmap,
1021 HEIGHT is its height, and DATA is a string containing the bits of
1022 the pixmap. Bits are stored row by row, each row occupies
1023 \(WIDTH + 7)/8 bytes. */)
1029 if (STRINGP (object
))
1030 /* If OBJECT is a string, it's a file name. */
1032 else if (CONSP (object
))
1034 /* Otherwise OBJECT must be (WIDTH HEIGHT DATA), WIDTH and
1035 HEIGHT must be integers > 0, and DATA must be string large
1036 enough to hold a bitmap of the specified size. */
1037 Lisp_Object width
, height
, data
;
1039 height
= width
= data
= Qnil
;
1043 width
= XCAR (object
);
1044 object
= XCDR (object
);
1047 height
= XCAR (object
);
1048 object
= XCDR (object
);
1050 data
= XCAR (object
);
1054 if (NATNUMP (width
) && NATNUMP (height
) && STRINGP (data
))
1056 int bytes_per_row
= ((XFASTINT (width
) + BITS_PER_CHAR
- 1)
1058 if (SBYTES (data
) >= bytes_per_row
* XINT (height
))
1063 return pixmap_p
? Qt
: Qnil
;
1067 /* Load a bitmap according to NAME (which is either a file name or a
1068 pixmap spec) for use on frame F. Value is the bitmap_id (see
1069 xfns.c). If NAME is nil, return with a bitmap id of zero. If
1070 bitmap cannot be loaded, display a message saying so, and return
1071 zero. Store the bitmap width in *W_PTR and its height in *H_PTR,
1072 if these pointers are not null. */
1075 load_pixmap (f
, name
, w_ptr
, h_ptr
)
1078 unsigned int *w_ptr
, *h_ptr
;
1085 CHECK_TYPE (!NILP (Fbitmap_spec_p (name
)), Qbitmap_spec_p
, name
);
1090 /* Decode a bitmap spec into a bitmap. */
1095 w
= XINT (Fcar (name
));
1096 h
= XINT (Fcar (Fcdr (name
)));
1097 bits
= Fcar (Fcdr (Fcdr (name
)));
1099 bitmap_id
= x_create_bitmap_from_data (f
, SDATA (bits
),
1104 /* It must be a string -- a file name. */
1105 bitmap_id
= x_create_bitmap_from_file (f
, name
);
1111 add_to_log ("Invalid or undefined bitmap `%s'", name
, Qnil
);
1122 ++npixmaps_allocated
;
1125 *w_ptr
= x_bitmap_width (f
, bitmap_id
);
1128 *h_ptr
= x_bitmap_height (f
, bitmap_id
);
1134 #endif /* HAVE_WINDOW_SYSTEM */
1138 /***********************************************************************
1140 ***********************************************************************/
1142 /* Parse RGB_LIST, and fill in the RGB fields of COLOR.
1143 RGB_LIST should contain (at least) 3 lisp integers.
1144 Return 0 if there's a problem with RGB_LIST, otherwise return 1. */
1147 parse_rgb_list (rgb_list
, color
)
1148 Lisp_Object rgb_list
;
1151 #define PARSE_RGB_LIST_FIELD(field) \
1152 if (CONSP (rgb_list) && INTEGERP (XCAR (rgb_list))) \
1154 color->field = XINT (XCAR (rgb_list)); \
1155 rgb_list = XCDR (rgb_list); \
1160 PARSE_RGB_LIST_FIELD (red
);
1161 PARSE_RGB_LIST_FIELD (green
);
1162 PARSE_RGB_LIST_FIELD (blue
);
1168 /* Lookup on frame F the color described by the lisp string COLOR.
1169 The resulting tty color is returned in TTY_COLOR; if STD_COLOR is
1170 non-zero, then the `standard' definition of the same color is
1174 tty_lookup_color (f
, color
, tty_color
, std_color
)
1177 XColor
*tty_color
, *std_color
;
1179 Lisp_Object frame
, color_desc
;
1181 if (!STRINGP (color
) || NILP (Ffboundp (Qtty_color_desc
)))
1184 XSETFRAME (frame
, f
);
1186 color_desc
= call2 (Qtty_color_desc
, color
, frame
);
1187 if (CONSP (color_desc
) && CONSP (XCDR (color_desc
)))
1191 if (! INTEGERP (XCAR (XCDR (color_desc
))))
1194 tty_color
->pixel
= XINT (XCAR (XCDR (color_desc
)));
1196 rgb
= XCDR (XCDR (color_desc
));
1197 if (! parse_rgb_list (rgb
, tty_color
))
1200 /* Should we fill in STD_COLOR too? */
1203 /* Default STD_COLOR to the same as TTY_COLOR. */
1204 *std_color
= *tty_color
;
1206 /* Do a quick check to see if the returned descriptor is
1207 actually _exactly_ equal to COLOR, otherwise we have to
1208 lookup STD_COLOR separately. If it's impossible to lookup
1209 a standard color, we just give up and use TTY_COLOR. */
1210 if ((!STRINGP (XCAR (color_desc
))
1211 || NILP (Fstring_equal (color
, XCAR (color_desc
))))
1212 && !NILP (Ffboundp (Qtty_color_standard_values
)))
1214 /* Look up STD_COLOR separately. */
1215 rgb
= call1 (Qtty_color_standard_values
, color
);
1216 if (! parse_rgb_list (rgb
, std_color
))
1223 else if (NILP (Fsymbol_value (intern ("tty-defined-color-alist"))))
1224 /* We were called early during startup, and the colors are not
1225 yet set up in tty-defined-color-alist. Don't return a failure
1226 indication, since this produces the annoying "Unable to
1227 load color" messages in the *Messages* buffer. */
1230 /* tty-color-desc seems to have returned a bad value. */
1234 /* A version of defined_color for non-X frames. */
1237 tty_defined_color (f
, color_name
, color_def
, alloc
)
1246 color_def
->pixel
= FACE_TTY_DEFAULT_COLOR
;
1248 color_def
->blue
= 0;
1249 color_def
->green
= 0;
1252 status
= tty_lookup_color (f
, build_string (color_name
), color_def
, NULL
);
1254 if (color_def
->pixel
== FACE_TTY_DEFAULT_COLOR
&& *color_name
)
1256 if (strcmp (color_name
, "unspecified-fg") == 0)
1257 color_def
->pixel
= FACE_TTY_DEFAULT_FG_COLOR
;
1258 else if (strcmp (color_name
, "unspecified-bg") == 0)
1259 color_def
->pixel
= FACE_TTY_DEFAULT_BG_COLOR
;
1262 if (color_def
->pixel
!= FACE_TTY_DEFAULT_COLOR
)
1269 /* Decide if color named COLOR_NAME is valid for the display
1270 associated with the frame F; if so, return the rgb values in
1271 COLOR_DEF. If ALLOC is nonzero, allocate a new colormap cell.
1273 This does the right thing for any type of frame. */
1276 defined_color (f
, color_name
, color_def
, alloc
)
1282 if (!FRAME_WINDOW_P (f
))
1283 return tty_defined_color (f
, color_name
, color_def
, alloc
);
1284 #ifdef HAVE_X_WINDOWS
1285 else if (FRAME_X_P (f
))
1286 return x_defined_color (f
, color_name
, color_def
, alloc
);
1289 else if (FRAME_W32_P (f
))
1290 return w32_defined_color (f
, color_name
, color_def
, alloc
);
1293 else if (FRAME_MAC_P (f
))
1294 return mac_defined_color (f
, color_name
, color_def
, alloc
);
1301 /* Given the index IDX of a tty color on frame F, return its name, a
1305 tty_color_name (f
, idx
)
1309 if (idx
>= 0 && !NILP (Ffboundp (Qtty_color_by_index
)))
1312 Lisp_Object coldesc
;
1314 XSETFRAME (frame
, f
);
1315 coldesc
= call2 (Qtty_color_by_index
, make_number (idx
), frame
);
1317 if (!NILP (coldesc
))
1318 return XCAR (coldesc
);
1321 /* We can have an MSDOG frame under -nw for a short window of
1322 opportunity before internal_terminal_init is called. DTRT. */
1323 if (FRAME_MSDOS_P (f
) && !inhibit_window_system
)
1324 return msdos_stdcolor_name (idx
);
1327 if (idx
== FACE_TTY_DEFAULT_FG_COLOR
)
1328 return build_string (unspecified_fg
);
1329 if (idx
== FACE_TTY_DEFAULT_BG_COLOR
)
1330 return build_string (unspecified_bg
);
1332 return Qunspecified
;
1336 /* Return non-zero if COLOR_NAME is a shade of gray (or white or
1339 The criterion implemented here is not a terribly sophisticated one. */
1342 face_color_gray_p (f
, color_name
)
1349 if (defined_color (f
, color_name
, &color
, 0))
1350 gray_p
= (/* Any color sufficiently close to black counts as grey. */
1351 (color
.red
< 5000 && color
.green
< 5000 && color
.blue
< 5000)
1353 ((eabs (color
.red
- color
.green
)
1354 < max (color
.red
, color
.green
) / 20)
1355 && (eabs (color
.green
- color
.blue
)
1356 < max (color
.green
, color
.blue
) / 20)
1357 && (eabs (color
.blue
- color
.red
)
1358 < max (color
.blue
, color
.red
) / 20)));
1366 /* Return non-zero if color COLOR_NAME can be displayed on frame F.
1367 BACKGROUND_P non-zero means the color will be used as background
1371 face_color_supported_p (f
, color_name
, background_p
)
1379 XSETFRAME (frame
, f
);
1381 #ifdef HAVE_WINDOW_SYSTEM
1383 ? (!NILP (Fxw_display_color_p (frame
))
1384 || xstricmp (color_name
, "black") == 0
1385 || xstricmp (color_name
, "white") == 0
1387 && face_color_gray_p (f
, color_name
))
1388 || (!NILP (Fx_display_grayscale_p (frame
))
1389 && face_color_gray_p (f
, color_name
)))
1392 tty_defined_color (f
, color_name
, ¬_used
, 0);
1396 DEFUN ("color-gray-p", Fcolor_gray_p
, Scolor_gray_p
, 1, 2, 0,
1397 doc
: /* Return non-nil if COLOR is a shade of gray (or white or black).
1398 FRAME specifies the frame and thus the display for interpreting COLOR.
1399 If FRAME is nil or omitted, use the selected frame. */)
1401 Lisp_Object color
, frame
;
1405 CHECK_STRING (color
);
1407 frame
= selected_frame
;
1409 CHECK_FRAME (frame
);
1411 return face_color_gray_p (f
, SDATA (color
)) ? Qt
: Qnil
;
1415 DEFUN ("color-supported-p", Fcolor_supported_p
,
1416 Scolor_supported_p
, 1, 3, 0,
1417 doc
: /* Return non-nil if COLOR can be displayed on FRAME.
1418 BACKGROUND-P non-nil means COLOR is used as a background.
1419 Otherwise, this function tells whether it can be used as a foreground.
1420 If FRAME is nil or omitted, use the selected frame.
1421 COLOR must be a valid color name. */)
1422 (color
, frame
, background_p
)
1423 Lisp_Object frame
, color
, background_p
;
1427 CHECK_STRING (color
);
1429 frame
= selected_frame
;
1431 CHECK_FRAME (frame
);
1433 if (face_color_supported_p (f
, SDATA (color
), !NILP (background_p
)))
1439 /* Load color with name NAME for use by face FACE on frame F.
1440 TARGET_INDEX must be one of LFACE_FOREGROUND_INDEX,
1441 LFACE_BACKGROUND_INDEX, LFACE_UNDERLINE_INDEX, LFACE_OVERLINE_INDEX,
1442 LFACE_STRIKE_THROUGH_INDEX, or LFACE_BOX_INDEX. Value is the
1443 pixel color. If color cannot be loaded, display a message, and
1444 return the foreground, background or underline color of F, but
1445 record that fact in flags of the face so that we don't try to free
1449 load_color (f
, face
, name
, target_index
)
1453 enum lface_attribute_index target_index
;
1457 xassert (STRINGP (name
));
1458 xassert (target_index
== LFACE_FOREGROUND_INDEX
1459 || target_index
== LFACE_BACKGROUND_INDEX
1460 || target_index
== LFACE_UNDERLINE_INDEX
1461 || target_index
== LFACE_OVERLINE_INDEX
1462 || target_index
== LFACE_STRIKE_THROUGH_INDEX
1463 || target_index
== LFACE_BOX_INDEX
);
1465 /* if the color map is full, defined_color will return a best match
1466 to the values in an existing cell. */
1467 if (!defined_color (f
, SDATA (name
), &color
, 1))
1469 add_to_log ("Unable to load color \"%s\"", name
, Qnil
);
1471 switch (target_index
)
1473 case LFACE_FOREGROUND_INDEX
:
1474 face
->foreground_defaulted_p
= 1;
1475 color
.pixel
= FRAME_FOREGROUND_PIXEL (f
);
1478 case LFACE_BACKGROUND_INDEX
:
1479 face
->background_defaulted_p
= 1;
1480 color
.pixel
= FRAME_BACKGROUND_PIXEL (f
);
1483 case LFACE_UNDERLINE_INDEX
:
1484 face
->underline_defaulted_p
= 1;
1485 color
.pixel
= FRAME_FOREGROUND_PIXEL (f
);
1488 case LFACE_OVERLINE_INDEX
:
1489 face
->overline_color_defaulted_p
= 1;
1490 color
.pixel
= FRAME_FOREGROUND_PIXEL (f
);
1493 case LFACE_STRIKE_THROUGH_INDEX
:
1494 face
->strike_through_color_defaulted_p
= 1;
1495 color
.pixel
= FRAME_FOREGROUND_PIXEL (f
);
1498 case LFACE_BOX_INDEX
:
1499 face
->box_color_defaulted_p
= 1;
1500 color
.pixel
= FRAME_FOREGROUND_PIXEL (f
);
1509 ++ncolors_allocated
;
1516 #ifdef HAVE_WINDOW_SYSTEM
1518 /* Load colors for face FACE which is used on frame F. Colors are
1519 specified by slots LFACE_BACKGROUND_INDEX and LFACE_FOREGROUND_INDEX
1520 of ATTRS. If the background color specified is not supported on F,
1521 try to emulate gray colors with a stipple from Vface_default_stipple. */
1524 load_face_colors (f
, face
, attrs
)
1531 bg
= attrs
[LFACE_BACKGROUND_INDEX
];
1532 fg
= attrs
[LFACE_FOREGROUND_INDEX
];
1534 /* Swap colors if face is inverse-video. */
1535 if (EQ (attrs
[LFACE_INVERSE_INDEX
], Qt
))
1543 /* Check for support for foreground, not for background because
1544 face_color_supported_p is smart enough to know that grays are
1545 "supported" as background because we are supposed to use stipple
1547 if (!face_color_supported_p (f
, SDATA (bg
), 0)
1548 && !NILP (Fbitmap_spec_p (Vface_default_stipple
)))
1550 x_destroy_bitmap (f
, face
->stipple
);
1551 face
->stipple
= load_pixmap (f
, Vface_default_stipple
,
1552 &face
->pixmap_w
, &face
->pixmap_h
);
1555 face
->background
= load_color (f
, face
, bg
, LFACE_BACKGROUND_INDEX
);
1556 face
->foreground
= load_color (f
, face
, fg
, LFACE_FOREGROUND_INDEX
);
1560 /* Free color PIXEL on frame F. */
1563 unload_color (f
, pixel
)
1565 unsigned long pixel
;
1567 #ifdef HAVE_X_WINDOWS
1571 x_free_colors (f
, &pixel
, 1);
1578 /* Free colors allocated for FACE. */
1581 free_face_colors (f
, face
)
1585 #ifdef HAVE_X_WINDOWS
1586 if (face
->colors_copied_bitwise_p
)
1591 if (!face
->foreground_defaulted_p
)
1593 x_free_colors (f
, &face
->foreground
, 1);
1594 IF_DEBUG (--ncolors_allocated
);
1597 if (!face
->background_defaulted_p
)
1599 x_free_colors (f
, &face
->background
, 1);
1600 IF_DEBUG (--ncolors_allocated
);
1603 if (face
->underline_p
1604 && !face
->underline_defaulted_p
)
1606 x_free_colors (f
, &face
->underline_color
, 1);
1607 IF_DEBUG (--ncolors_allocated
);
1610 if (face
->overline_p
1611 && !face
->overline_color_defaulted_p
)
1613 x_free_colors (f
, &face
->overline_color
, 1);
1614 IF_DEBUG (--ncolors_allocated
);
1617 if (face
->strike_through_p
1618 && !face
->strike_through_color_defaulted_p
)
1620 x_free_colors (f
, &face
->strike_through_color
, 1);
1621 IF_DEBUG (--ncolors_allocated
);
1624 if (face
->box
!= FACE_NO_BOX
1625 && !face
->box_color_defaulted_p
)
1627 x_free_colors (f
, &face
->box_color
, 1);
1628 IF_DEBUG (--ncolors_allocated
);
1632 #endif /* HAVE_X_WINDOWS */
1635 #endif /* HAVE_WINDOW_SYSTEM */
1639 /***********************************************************************
1641 ***********************************************************************/
1643 /* An enumerator for each field of an XLFD font name. */
1664 /* An enumerator for each possible slant value of a font. Taken from
1665 the XLFD specification. */
1673 XLFD_SLANT_REVERSE_ITALIC
,
1674 XLFD_SLANT_REVERSE_OBLIQUE
,
1678 /* Relative font weight according to XLFD documentation. */
1682 XLFD_WEIGHT_UNKNOWN
,
1683 XLFD_WEIGHT_ULTRA_LIGHT
, /* 10 */
1684 XLFD_WEIGHT_EXTRA_LIGHT
, /* 20 */
1685 XLFD_WEIGHT_LIGHT
, /* 30 */
1686 XLFD_WEIGHT_SEMI_LIGHT
, /* 40: SemiLight, Book, ... */
1687 XLFD_WEIGHT_MEDIUM
, /* 50: Medium, Normal, Regular, ... */
1688 XLFD_WEIGHT_SEMI_BOLD
, /* 60: SemiBold, DemiBold, ... */
1689 XLFD_WEIGHT_BOLD
, /* 70: Bold, ... */
1690 XLFD_WEIGHT_EXTRA_BOLD
, /* 80: ExtraBold, Heavy, ... */
1691 XLFD_WEIGHT_ULTRA_BOLD
/* 90: UltraBold, Black, ... */
1694 /* Relative proportionate width. */
1698 XLFD_SWIDTH_UNKNOWN
,
1699 XLFD_SWIDTH_ULTRA_CONDENSED
, /* 10 */
1700 XLFD_SWIDTH_EXTRA_CONDENSED
, /* 20 */
1701 XLFD_SWIDTH_CONDENSED
, /* 30: Condensed, Narrow, Compressed, ... */
1702 XLFD_SWIDTH_SEMI_CONDENSED
, /* 40: semicondensed */
1703 XLFD_SWIDTH_MEDIUM
, /* 50: Medium, Normal, Regular, ... */
1704 XLFD_SWIDTH_SEMI_EXPANDED
, /* 60: SemiExpanded, DemiExpanded, ... */
1705 XLFD_SWIDTH_EXPANDED
, /* 70: Expanded... */
1706 XLFD_SWIDTH_EXTRA_EXPANDED
, /* 80: ExtraExpanded, Wide... */
1707 XLFD_SWIDTH_ULTRA_EXPANDED
/* 90: UltraExpanded... */
1710 /* Structure used for tables mapping XLFD weight, slant, and width
1711 names to numeric and symbolic values. */
1717 Lisp_Object
*symbol
;
1720 /* Table of XLFD slant names and their numeric and symbolic
1721 representations. This table must be sorted by slant names in
1724 static struct table_entry slant_table
[] =
1726 {"i", XLFD_SLANT_ITALIC
, &Qitalic
},
1727 {"o", XLFD_SLANT_OBLIQUE
, &Qoblique
},
1728 {"ot", XLFD_SLANT_OTHER
, &Qitalic
},
1729 {"r", XLFD_SLANT_ROMAN
, &Qnormal
},
1730 {"ri", XLFD_SLANT_REVERSE_ITALIC
, &Qreverse_italic
},
1731 {"ro", XLFD_SLANT_REVERSE_OBLIQUE
, &Qreverse_oblique
}
1734 /* Table of XLFD weight names. This table must be sorted by weight
1735 names in ascending order. */
1737 static struct table_entry weight_table
[] =
1739 {"black", XLFD_WEIGHT_ULTRA_BOLD
, &Qultra_bold
},
1740 {"bold", XLFD_WEIGHT_BOLD
, &Qbold
},
1741 {"book", XLFD_WEIGHT_SEMI_LIGHT
, &Qsemi_light
},
1742 {"demi", XLFD_WEIGHT_SEMI_BOLD
, &Qsemi_bold
},
1743 {"demibold", XLFD_WEIGHT_SEMI_BOLD
, &Qsemi_bold
},
1744 {"extralight", XLFD_WEIGHT_EXTRA_LIGHT
, &Qextra_light
},
1745 {"extrabold", XLFD_WEIGHT_EXTRA_BOLD
, &Qextra_bold
},
1746 {"heavy", XLFD_WEIGHT_EXTRA_BOLD
, &Qextra_bold
},
1747 {"light", XLFD_WEIGHT_LIGHT
, &Qlight
},
1748 {"medium", XLFD_WEIGHT_MEDIUM
, &Qnormal
},
1749 {"normal", XLFD_WEIGHT_MEDIUM
, &Qnormal
},
1750 {"regular", XLFD_WEIGHT_MEDIUM
, &Qnormal
},
1751 {"semibold", XLFD_WEIGHT_SEMI_BOLD
, &Qsemi_bold
},
1752 {"semilight", XLFD_WEIGHT_SEMI_LIGHT
, &Qsemi_light
},
1753 {"ultralight", XLFD_WEIGHT_ULTRA_LIGHT
, &Qultra_light
},
1754 {"ultrabold", XLFD_WEIGHT_ULTRA_BOLD
, &Qultra_bold
}
1757 /* Table of XLFD width names. This table must be sorted by width
1758 names in ascending order. */
1760 static struct table_entry swidth_table
[] =
1762 {"compressed", XLFD_SWIDTH_CONDENSED
, &Qcondensed
},
1763 {"condensed", XLFD_SWIDTH_CONDENSED
, &Qcondensed
},
1764 {"demiexpanded", XLFD_SWIDTH_SEMI_EXPANDED
, &Qsemi_expanded
},
1765 {"expanded", XLFD_SWIDTH_EXPANDED
, &Qexpanded
},
1766 {"extracondensed", XLFD_SWIDTH_EXTRA_CONDENSED
, &Qextra_condensed
},
1767 {"extraexpanded", XLFD_SWIDTH_EXTRA_EXPANDED
, &Qextra_expanded
},
1768 {"medium", XLFD_SWIDTH_MEDIUM
, &Qnormal
},
1769 {"narrow", XLFD_SWIDTH_CONDENSED
, &Qcondensed
},
1770 {"normal", XLFD_SWIDTH_MEDIUM
, &Qnormal
},
1771 {"regular", XLFD_SWIDTH_MEDIUM
, &Qnormal
},
1772 {"semicondensed", XLFD_SWIDTH_SEMI_CONDENSED
, &Qsemi_condensed
},
1773 {"semiexpanded", XLFD_SWIDTH_SEMI_EXPANDED
, &Qsemi_expanded
},
1774 {"ultracondensed", XLFD_SWIDTH_ULTRA_CONDENSED
, &Qultra_condensed
},
1775 {"ultraexpanded", XLFD_SWIDTH_ULTRA_EXPANDED
, &Qultra_expanded
},
1776 {"wide", XLFD_SWIDTH_EXTRA_EXPANDED
, &Qextra_expanded
}
1779 /* The frame in effect when sorting font names. Set temporarily in
1780 sort_fonts so that it is available in font comparison functions. */
1782 static struct frame
*font_frame
;
1784 /* Order by which font selection chooses fonts. The default values
1785 mean `first, find a best match for the font width, then for the
1786 font height, then for weight, then for slant.' This variable can be
1787 set via set-face-font-sort-order. */
1790 static int font_sort_order
[4] = {
1791 XLFD_SWIDTH
, XLFD_POINT_SIZE
, XLFD_WEIGHT
, XLFD_SLANT
1794 static int font_sort_order
[4];
1798 #ifdef HAVE_WINDOW_SYSTEM
1800 /* Return a rescaling ratio of a font of NAME. */
1803 font_rescale_ratio (name
)
1806 Lisp_Object tail
, elt
;
1808 for (tail
= Vface_font_rescale_alist
; CONSP (tail
); tail
= XCDR (tail
))
1811 if (STRINGP (XCAR (elt
)) && FLOATP (XCDR (elt
))
1812 && fast_c_string_match_ignore_case (XCAR (elt
), name
) >= 0)
1813 return XFLOAT_DATA (XCDR (elt
));
1818 static enum font_property_index font_props_for_sorting
[FONT_SIZE_INDEX
];
1821 compare_fonts_by_sort_order (v1
, v2
)
1822 const void *v1
, *v2
;
1824 Lisp_Object font1
= *(Lisp_Object
*) v1
;
1825 Lisp_Object font2
= *(Lisp_Object
*) v2
;
1828 for (i
= 0; i
< FONT_SIZE_INDEX
; i
++)
1830 enum font_property_index idx
= font_props_for_sorting
[i
];
1831 Lisp_Object val1
= AREF (font1
, idx
), val2
= AREF (font2
, idx
);
1834 if (idx
<= FONT_REGISTRY_INDEX
)
1837 result
= STRINGP (val2
) ? strcmp (SDATA (val1
), SDATA (val2
)) : -1;
1839 result
= STRINGP (val2
) ? 1 : 0;
1843 if (INTEGERP (val1
))
1844 result
= INTEGERP (val2
) ? XINT (val1
) - XINT (val2
) : -1;
1846 result
= INTEGERP (val2
) ? 1 : 0;
1854 DEFUN ("x-family-fonts", Fx_family_fonts
, Sx_family_fonts
, 0, 2, 0,
1855 doc
: /* Return a list of available fonts of family FAMILY on FRAME.
1856 If FAMILY is omitted or nil, list all families.
1857 Otherwise, FAMILY must be a string, possibly containing wildcards
1859 If FRAME is omitted or nil, use the selected frame.
1860 Each element of the result is a vector [FAMILY WIDTH POINT-SIZE WEIGHT
1861 SLANT FIXED-P FULL REGISTRY-AND-ENCODING].
1862 FAMILY is the font family name. POINT-SIZE is the size of the
1863 font in 1/10 pt. WIDTH, WEIGHT, and SLANT are symbols describing the
1864 width, weight and slant of the font. These symbols are the same as for
1865 face attributes. FIXED-P is non-nil if the font is fixed-pitch.
1866 FULL is the full name of the font, and REGISTRY-AND-ENCODING is a string
1867 giving the registry and encoding of the font.
1868 The result list is sorted according to the current setting of
1869 the face font sort order. */)
1871 Lisp_Object family
, frame
;
1873 struct frame
*f
= check_x_frame (frame
);
1874 Lisp_Object font_spec
= Qnil
, vec
;
1880 CHECK_STRING (family
);
1881 font_spec
= Ffont_spec (0, NULL
);
1882 Ffont_put (font_spec
, QCfamily
, family
);
1884 vec
= font_list_entities (frame
, font_spec
);
1885 nfonts
= ASIZE (vec
);
1890 for (i
= 0; i
< 4; i
++)
1891 switch (font_sort_order
[i
])
1894 font_props_for_sorting
[i
] = FONT_WIDTH_INDEX
; break;
1895 case XLFD_POINT_SIZE
:
1896 font_props_for_sorting
[i
] = FONT_SIZE_INDEX
; break;
1898 font_props_for_sorting
[i
] = FONT_WEIGHT_INDEX
; break;
1900 font_props_for_sorting
[i
] = FONT_SLANT_INDEX
; break;
1902 font_props_for_sorting
[i
++] = FONT_FAMILY_INDEX
;
1903 font_props_for_sorting
[i
++] = FONT_FOUNDRY_INDEX
;
1904 font_props_for_sorting
[i
++] = FONT_ADSTYLE_INDEX
;
1905 font_props_for_sorting
[i
++] = FONT_REGISTRY_INDEX
;
1907 qsort (XVECTOR (vec
)->contents
, nfonts
, sizeof (Lisp_Object
),
1908 compare_fonts_by_sort_order
);
1912 for (i
= nfonts
- 1; i
>= 0; --i
)
1914 Lisp_Object font
= AREF (vec
, i
);
1915 Lisp_Object v
= Fmake_vector (make_number (8), Qnil
);
1917 Lisp_Object spacing
;
1919 ASET (v
, 0, AREF (font
, FONT_FAMILY_INDEX
));
1920 ASET (v
, 1, FONT_WIDTH_SYMBOLIC (font
));
1921 point
= PIXEL_TO_POINT (XINT (AREF (font
, FONT_SIZE_INDEX
)) * 10,
1923 ASET (v
, 2, make_number (point
));
1924 ASET (v
, 3, FONT_WEIGHT_SYMBOLIC (font
));
1925 ASET (v
, 4, FONT_SLANT_SYMBOLIC (font
));
1926 spacing
= Ffont_get (font
, QCspacing
);
1927 ASET (v
, 5, (NILP (spacing
) || EQ (spacing
, Qp
)) ? Qnil
: Qt
);
1928 ASET (v
, 6, AREF (font
, FONT_NAME_INDEX
));
1929 ASET (v
, 7, AREF (font
, FONT_REGISTRY_INDEX
));
1931 result
= Fcons (v
, result
);
1938 DEFUN ("x-font-family-list", Fx_font_family_list
, Sx_font_family_list
,
1940 doc
: /* Return a list of available font families on FRAME.
1941 If FRAME is omitted or nil, use the selected frame.
1942 Value is a list of conses (FAMILY . FIXED-P) where FAMILY
1943 is a font family, and FIXED-P is non-nil if fonts of that family
1944 are fixed-pitch. */)
1948 return Ffont_family_list (frame
);
1952 DEFUN ("x-list-fonts", Fx_list_fonts
, Sx_list_fonts
, 1, 5, 0,
1953 doc
: /* Return a list of the names of available fonts matching PATTERN.
1954 If optional arguments FACE and FRAME are specified, return only fonts
1955 the same size as FACE on FRAME.
1956 PATTERN is a string, perhaps with wildcard characters;
1957 the * character matches any substring, and
1958 the ? character matches any single character.
1959 PATTERN is case-insensitive.
1960 FACE is a face name--a symbol.
1962 The return value is a list of strings, suitable as arguments to
1965 Fonts Emacs can't use may or may not be excluded
1966 even if they match PATTERN and FACE.
1967 The optional fourth argument MAXIMUM sets a limit on how many
1968 fonts to match. The first MAXIMUM fonts are reported.
1969 The optional fifth argument WIDTH, if specified, is a number of columns
1970 occupied by a character of a font. In that case, return only fonts
1971 the WIDTH times as wide as FACE on FRAME. */)
1972 (pattern
, face
, frame
, maximum
, width
)
1973 Lisp_Object pattern
, face
, frame
, maximum
, width
;
1979 CHECK_STRING (pattern
);
1981 if (! NILP (maximum
))
1982 CHECK_NATNUM (maximum
);
1985 CHECK_NUMBER (width
);
1987 /* We can't simply call check_x_frame because this function may be
1988 called before any frame is created. */
1990 frame
= selected_frame
;
1991 f
= frame_or_selected_frame (frame
, 2);
1992 if (! FRAME_WINDOW_P (f
))
1994 /* Perhaps we have not yet created any frame. */
2000 /* Determine the width standard for comparison with the fonts we find. */
2006 /* This is of limited utility since it works with character
2007 widths. Keep it for compatibility. --gerd. */
2008 int face_id
= lookup_named_face (f
, face
, 0);
2009 struct face
*face
= (face_id
< 0
2011 : FACE_FROM_ID (f
, face_id
));
2013 if (face
&& face
->font
)
2015 size
= face
->font
->pixel_size
;
2016 avgwidth
= face
->font
->average_width
;
2020 size
= FRAME_FONT (f
)->pixel_size
;
2021 avgwidth
= FRAME_FONT (f
)->average_width
;
2024 avgwidth
*= XINT (width
);
2028 Lisp_Object font_spec
;
2029 Lisp_Object args
[2];
2031 font_spec
= font_spec_from_name (pattern
);
2034 Ffont_put (font_spec
, QCsize
, make_number (size
));
2035 Ffont_put (font_spec
, QCavgwidth
, make_number (avgwidth
));
2037 args
[0] = Flist_fonts (font_spec
, frame
, maximum
, Qnil
);
2039 /* We don't have to check fontsets. */
2041 args
[1] = list_fontsets (f
, pattern
, size
);
2042 return Fnconc (2, args
);
2046 #endif /* HAVE_WINDOW_SYSTEM */
2050 /***********************************************************************
2052 ***********************************************************************/
2054 /* Access face attributes of face LFACE, a Lisp vector. */
2056 #define LFACE_FAMILY(LFACE) AREF ((LFACE), LFACE_FAMILY_INDEX)
2057 #define LFACE_HEIGHT(LFACE) AREF ((LFACE), LFACE_HEIGHT_INDEX)
2058 #define LFACE_WEIGHT(LFACE) AREF ((LFACE), LFACE_WEIGHT_INDEX)
2059 #define LFACE_SLANT(LFACE) AREF ((LFACE), LFACE_SLANT_INDEX)
2060 #define LFACE_UNDERLINE(LFACE) AREF ((LFACE), LFACE_UNDERLINE_INDEX)
2061 #define LFACE_INVERSE(LFACE) AREF ((LFACE), LFACE_INVERSE_INDEX)
2062 #define LFACE_FOREGROUND(LFACE) AREF ((LFACE), LFACE_FOREGROUND_INDEX)
2063 #define LFACE_BACKGROUND(LFACE) AREF ((LFACE), LFACE_BACKGROUND_INDEX)
2064 #define LFACE_STIPPLE(LFACE) AREF ((LFACE), LFACE_STIPPLE_INDEX)
2065 #define LFACE_SWIDTH(LFACE) AREF ((LFACE), LFACE_SWIDTH_INDEX)
2066 #define LFACE_OVERLINE(LFACE) AREF ((LFACE), LFACE_OVERLINE_INDEX)
2067 #define LFACE_STRIKE_THROUGH(LFACE) AREF ((LFACE), LFACE_STRIKE_THROUGH_INDEX)
2068 #define LFACE_BOX(LFACE) AREF ((LFACE), LFACE_BOX_INDEX)
2069 #define LFACE_FONT(LFACE) AREF ((LFACE), LFACE_FONT_INDEX)
2070 #define LFACE_INHERIT(LFACE) AREF ((LFACE), LFACE_INHERIT_INDEX)
2071 #define LFACE_FONTSET(LFACE) AREF ((LFACE), LFACE_FONTSET_INDEX)
2073 /* Non-zero if LFACE is a Lisp face. A Lisp face is a vector of size
2074 LFACE_VECTOR_SIZE which has the symbol `face' in slot 0. */
2076 #define LFACEP(LFACE) \
2078 && XVECTOR (LFACE)->size == LFACE_VECTOR_SIZE \
2079 && EQ (AREF (LFACE, 0), Qface))
2084 /* Check consistency of Lisp face attribute vector ATTRS. */
2087 check_lface_attrs (attrs
)
2090 xassert (UNSPECIFIEDP (attrs
[LFACE_FAMILY_INDEX
])
2091 || IGNORE_DEFFACE_P (attrs
[LFACE_FAMILY_INDEX
])
2092 || STRINGP (attrs
[LFACE_FAMILY_INDEX
]));
2093 xassert (UNSPECIFIEDP (attrs
[LFACE_SWIDTH_INDEX
])
2094 || IGNORE_DEFFACE_P (attrs
[LFACE_SWIDTH_INDEX
])
2095 || SYMBOLP (attrs
[LFACE_SWIDTH_INDEX
]));
2096 xassert (UNSPECIFIEDP (attrs
[LFACE_HEIGHT_INDEX
])
2097 || IGNORE_DEFFACE_P (attrs
[LFACE_HEIGHT_INDEX
])
2098 || INTEGERP (attrs
[LFACE_HEIGHT_INDEX
])
2099 || FLOATP (attrs
[LFACE_HEIGHT_INDEX
])
2100 || FUNCTIONP (attrs
[LFACE_HEIGHT_INDEX
]));
2101 xassert (UNSPECIFIEDP (attrs
[LFACE_WEIGHT_INDEX
])
2102 || IGNORE_DEFFACE_P (attrs
[LFACE_WEIGHT_INDEX
])
2103 || SYMBOLP (attrs
[LFACE_WEIGHT_INDEX
]));
2104 xassert (UNSPECIFIEDP (attrs
[LFACE_SLANT_INDEX
])
2105 || IGNORE_DEFFACE_P (attrs
[LFACE_SLANT_INDEX
])
2106 || SYMBOLP (attrs
[LFACE_SLANT_INDEX
]));
2107 xassert (UNSPECIFIEDP (attrs
[LFACE_UNDERLINE_INDEX
])
2108 || IGNORE_DEFFACE_P (attrs
[LFACE_UNDERLINE_INDEX
])
2109 || SYMBOLP (attrs
[LFACE_UNDERLINE_INDEX
])
2110 || STRINGP (attrs
[LFACE_UNDERLINE_INDEX
]));
2111 xassert (UNSPECIFIEDP (attrs
[LFACE_OVERLINE_INDEX
])
2112 || IGNORE_DEFFACE_P (attrs
[LFACE_OVERLINE_INDEX
])
2113 || SYMBOLP (attrs
[LFACE_OVERLINE_INDEX
])
2114 || STRINGP (attrs
[LFACE_OVERLINE_INDEX
]));
2115 xassert (UNSPECIFIEDP (attrs
[LFACE_STRIKE_THROUGH_INDEX
])
2116 || IGNORE_DEFFACE_P (attrs
[LFACE_STRIKE_THROUGH_INDEX
])
2117 || SYMBOLP (attrs
[LFACE_STRIKE_THROUGH_INDEX
])
2118 || STRINGP (attrs
[LFACE_STRIKE_THROUGH_INDEX
]));
2119 xassert (UNSPECIFIEDP (attrs
[LFACE_BOX_INDEX
])
2120 || IGNORE_DEFFACE_P (attrs
[LFACE_BOX_INDEX
])
2121 || SYMBOLP (attrs
[LFACE_BOX_INDEX
])
2122 || STRINGP (attrs
[LFACE_BOX_INDEX
])
2123 || INTEGERP (attrs
[LFACE_BOX_INDEX
])
2124 || CONSP (attrs
[LFACE_BOX_INDEX
]));
2125 xassert (UNSPECIFIEDP (attrs
[LFACE_INVERSE_INDEX
])
2126 || IGNORE_DEFFACE_P (attrs
[LFACE_INVERSE_INDEX
])
2127 || SYMBOLP (attrs
[LFACE_INVERSE_INDEX
]));
2128 xassert (UNSPECIFIEDP (attrs
[LFACE_FOREGROUND_INDEX
])
2129 || IGNORE_DEFFACE_P (attrs
[LFACE_FOREGROUND_INDEX
])
2130 || STRINGP (attrs
[LFACE_FOREGROUND_INDEX
]));
2131 xassert (UNSPECIFIEDP (attrs
[LFACE_BACKGROUND_INDEX
])
2132 || IGNORE_DEFFACE_P (attrs
[LFACE_BACKGROUND_INDEX
])
2133 || STRINGP (attrs
[LFACE_BACKGROUND_INDEX
]));
2134 xassert (UNSPECIFIEDP (attrs
[LFACE_INHERIT_INDEX
])
2135 || IGNORE_DEFFACE_P (attrs
[LFACE_INHERIT_INDEX
])
2136 || NILP (attrs
[LFACE_INHERIT_INDEX
])
2137 || SYMBOLP (attrs
[LFACE_INHERIT_INDEX
])
2138 || CONSP (attrs
[LFACE_INHERIT_INDEX
]));
2139 #ifdef HAVE_WINDOW_SYSTEM
2140 xassert (UNSPECIFIEDP (attrs
[LFACE_STIPPLE_INDEX
])
2141 || IGNORE_DEFFACE_P (attrs
[LFACE_STIPPLE_INDEX
])
2142 || SYMBOLP (attrs
[LFACE_STIPPLE_INDEX
])
2143 || !NILP (Fbitmap_spec_p (attrs
[LFACE_STIPPLE_INDEX
])));
2144 xassert (UNSPECIFIEDP (attrs
[LFACE_FONT_INDEX
])
2145 || IGNORE_DEFFACE_P (attrs
[LFACE_FONT_INDEX
])
2146 || FONTP (attrs
[LFACE_FONT_INDEX
]));
2147 xassert (UNSPECIFIEDP (attrs
[LFACE_FONTSET_INDEX
])
2148 || STRINGP (attrs
[LFACE_FONTSET_INDEX
]));
2153 /* Check consistency of attributes of Lisp face LFACE (a Lisp vector). */
2161 xassert (LFACEP (lface
));
2162 check_lface_attrs (XVECTOR (lface
)->contents
);
2166 #else /* GLYPH_DEBUG == 0 */
2168 #define check_lface_attrs(attrs) (void) 0
2169 #define check_lface(lface) (void) 0
2171 #endif /* GLYPH_DEBUG == 0 */
2175 /* Face-merge cycle checking. */
2177 /* A `named merge point' is simply a point during face-merging where we
2178 look up a face by name. We keep a stack of which named lookups we're
2179 currently processing so that we can easily detect cycles, using a
2180 linked- list of struct named_merge_point structures, typically
2181 allocated on the stack frame of the named lookup functions which are
2182 active (so no consing is required). */
2183 struct named_merge_point
2185 Lisp_Object face_name
;
2186 struct named_merge_point
*prev
;
2190 /* If a face merging cycle is detected for FACE_NAME, return 0,
2191 otherwise add NEW_NAMED_MERGE_POINT, which is initialized using
2192 FACE_NAME, as the head of the linked list pointed to by
2193 NAMED_MERGE_POINTS, and return 1. */
2196 push_named_merge_point (struct named_merge_point
*new_named_merge_point
,
2197 Lisp_Object face_name
,
2198 struct named_merge_point
**named_merge_points
)
2200 struct named_merge_point
*prev
;
2202 for (prev
= *named_merge_points
; prev
; prev
= prev
->prev
)
2203 if (EQ (face_name
, prev
->face_name
))
2206 new_named_merge_point
->face_name
= face_name
;
2207 new_named_merge_point
->prev
= *named_merge_points
;
2209 *named_merge_points
= new_named_merge_point
;
2216 #if 0 /* Seems to be unused. */
2218 internal_resolve_face_name (nargs
, args
)
2222 return Fget (args
[0], args
[1]);
2226 resolve_face_name_error (ignore
)
2233 /* Resolve face name FACE_NAME. If FACE_NAME is a string, intern it
2234 to make it a symbol. If FACE_NAME is an alias for another face,
2235 return that face's name.
2237 Return default face in case of errors. */
2240 resolve_face_name (face_name
, signal_p
)
2241 Lisp_Object face_name
;
2244 Lisp_Object orig_face
;
2245 Lisp_Object tortoise
, hare
;
2247 if (STRINGP (face_name
))
2248 face_name
= intern (SDATA (face_name
));
2250 if (NILP (face_name
) || !SYMBOLP (face_name
))
2253 orig_face
= face_name
;
2254 tortoise
= hare
= face_name
;
2259 hare
= Fget (hare
, Qface_alias
);
2260 if (NILP (hare
) || !SYMBOLP (hare
))
2264 hare
= Fget (hare
, Qface_alias
);
2265 if (NILP (hare
) || !SYMBOLP (hare
))
2268 tortoise
= Fget (tortoise
, Qface_alias
);
2269 if (EQ (hare
, tortoise
))
2272 xsignal1 (Qcircular_list
, orig_face
);
2281 /* Return the face definition of FACE_NAME on frame F. F null means
2282 return the definition for new frames. FACE_NAME may be a string or
2283 a symbol (apparently Emacs 20.2 allowed strings as face names in
2284 face text properties; Ediff uses that). If FACE_NAME is an alias
2285 for another face, return that face's definition. If SIGNAL_P is
2286 non-zero, signal an error if FACE_NAME is not a valid face name.
2287 If SIGNAL_P is zero, value is nil if FACE_NAME is not a valid face
2290 static INLINE Lisp_Object
2291 lface_from_face_name (f
, face_name
, signal_p
)
2293 Lisp_Object face_name
;
2298 face_name
= resolve_face_name (face_name
, signal_p
);
2301 lface
= assq_no_quit (face_name
, f
->face_alist
);
2303 lface
= assq_no_quit (face_name
, Vface_new_frame_defaults
);
2306 lface
= XCDR (lface
);
2308 signal_error ("Invalid face", face_name
);
2310 check_lface (lface
);
2315 /* Get face attributes of face FACE_NAME from frame-local faces on
2316 frame F. Store the resulting attributes in ATTRS which must point
2317 to a vector of Lisp_Objects of size LFACE_VECTOR_SIZE. If SIGNAL_P
2318 is non-zero, signal an error if FACE_NAME does not name a face.
2319 Otherwise, value is zero if FACE_NAME is not a face. */
2322 get_lface_attributes (f
, face_name
, attrs
, signal_p
)
2324 Lisp_Object face_name
;
2331 lface
= lface_from_face_name (f
, face_name
, signal_p
);
2334 bcopy (XVECTOR (lface
)->contents
, attrs
,
2335 LFACE_VECTOR_SIZE
* sizeof *attrs
);
2345 /* Non-zero if all attributes in face attribute vector ATTRS are
2346 specified, i.e. are non-nil. */
2349 lface_fully_specified_p (attrs
)
2354 for (i
= 1; i
< LFACE_VECTOR_SIZE
; ++i
)
2355 if (i
!= LFACE_FONT_INDEX
&& i
!= LFACE_INHERIT_INDEX
)
2356 if ((UNSPECIFIEDP (attrs
[i
]) || IGNORE_DEFFACE_P (attrs
[i
]))
2358 /* MAC_TODO: No stipple support on Mac OS yet, this index is
2359 always unspecified. */
2360 && i
!= LFACE_STIPPLE_INDEX
2365 return i
== LFACE_VECTOR_SIZE
;
2368 #ifdef HAVE_WINDOW_SYSTEM
2370 /* Set font-related attributes of Lisp face LFACE from FONT-OBJECT.
2371 If FORCE_P is zero, set only unspecified attributes of LFACE. The
2372 exception is `font' attribute. It is set to FONT_OBJECT regardless
2376 set_lface_from_font (f
, lface
, font_object
, force_p
)
2378 Lisp_Object lface
, font_object
;
2382 struct font
*font
= XFONT_OBJECT (font_object
);
2384 /* Set attributes only if unspecified, otherwise face defaults for
2385 new frames would never take effect. If the font doesn't have a
2386 specific property, set a normal value for that. */
2388 if (force_p
|| UNSPECIFIEDP (LFACE_FAMILY (lface
)))
2390 Lisp_Object foundry
= AREF (font_object
, FONT_FOUNDRY_INDEX
);
2391 Lisp_Object family
= AREF (font_object
, FONT_FAMILY_INDEX
);
2393 if (! NILP (foundry
))
2395 if (! NILP (family
))
2396 val
= concat3 (SYMBOL_NAME (foundry
), build_string ("-"),
2397 SYMBOL_NAME (family
));
2399 val
= concat2 (SYMBOL_NAME (foundry
), build_string ("-*"));
2403 if (! NILP (family
))
2404 val
= SYMBOL_NAME (family
);
2406 val
= build_string ("*");
2408 LFACE_FAMILY (lface
) = val
;
2411 if (force_p
|| UNSPECIFIEDP (LFACE_HEIGHT (lface
)))
2413 int pt
= PIXEL_TO_POINT (font
->pixel_size
* 10, f
->resy
);
2416 LFACE_HEIGHT (lface
) = make_number (pt
);
2419 if (force_p
|| UNSPECIFIEDP (LFACE_WEIGHT (lface
)))
2421 val
= FONT_WEIGHT_FOR_FACE (font_object
);
2422 LFACE_WEIGHT (lface
) = ! NILP (val
) ? val
:Qnormal
;
2424 if (force_p
|| UNSPECIFIEDP (LFACE_SLANT (lface
)))
2426 val
= FONT_SLANT_FOR_FACE (font_object
);
2427 LFACE_SLANT (lface
) = ! NILP (val
) ? val
: Qnormal
;
2429 if (force_p
|| UNSPECIFIEDP (LFACE_SWIDTH (lface
)))
2431 val
= FONT_WIDTH_FOR_FACE (font_object
);
2432 LFACE_SWIDTH (lface
) = ! NILP (val
) ? val
: Qnormal
;
2435 LFACE_FONT (lface
) = font_object
;
2439 #endif /* HAVE_WINDOW_SYSTEM */
2442 /* Merges the face height FROM with the face height TO, and returns the
2443 merged height. If FROM is an invalid height, then INVALID is
2444 returned instead. FROM and TO may be either absolute face heights or
2445 `relative' heights; the returned value is always an absolute height
2446 unless both FROM and TO are relative. GCPRO is a lisp value that
2447 will be protected from garbage-collection if this function makes a
2451 merge_face_heights (from
, to
, invalid
)
2452 Lisp_Object from
, to
, invalid
;
2454 Lisp_Object result
= invalid
;
2456 if (INTEGERP (from
))
2457 /* FROM is absolute, just use it as is. */
2459 else if (FLOATP (from
))
2460 /* FROM is a scale, use it to adjust TO. */
2463 /* relative X absolute => absolute */
2464 result
= make_number ((EMACS_INT
)(XFLOAT_DATA (from
) * XINT (to
)));
2465 else if (FLOATP (to
))
2466 /* relative X relative => relative */
2467 result
= make_float (XFLOAT_DATA (from
) * XFLOAT_DATA (to
));
2468 else if (UNSPECIFIEDP (to
))
2471 else if (FUNCTIONP (from
))
2472 /* FROM is a function, which use to adjust TO. */
2474 /* Call function with current height as argument.
2475 From is the new height. */
2476 Lisp_Object args
[2];
2480 result
= safe_call (2, args
);
2482 /* Ensure that if TO was absolute, so is the result. */
2483 if (INTEGERP (to
) && !INTEGERP (result
))
2491 /* Merge two Lisp face attribute vectors on frame F, FROM and TO, and
2492 store the resulting attributes in TO, which must be already be
2493 completely specified and contain only absolute attributes. Every
2494 specified attribute of FROM overrides the corresponding attribute of
2495 TO; relative attributes in FROM are merged with the absolute value in
2496 TO and replace it. NAMED_MERGE_POINTS is used internally to detect
2497 loops in face inheritance; it should be 0 when called from other
2501 merge_face_vectors (f
, from
, to
, named_merge_points
)
2503 Lisp_Object
*from
, *to
;
2504 struct named_merge_point
*named_merge_points
;
2508 /* If FROM inherits from some other faces, merge their attributes into
2509 TO before merging FROM's direct attributes. Note that an :inherit
2510 attribute of `unspecified' is the same as one of nil; we never
2511 merge :inherit attributes, so nil is more correct, but lots of
2512 other code uses `unspecified' as a generic value for face attributes. */
2513 if (!UNSPECIFIEDP (from
[LFACE_INHERIT_INDEX
])
2514 && !NILP (from
[LFACE_INHERIT_INDEX
]))
2515 merge_face_ref (f
, from
[LFACE_INHERIT_INDEX
], to
, 0, named_merge_points
);
2517 #ifdef HAVE_WINDOW_SYSTEM
2518 i
= LFACE_FONT_INDEX
;
2519 if (!UNSPECIFIEDP (from
[i
]))
2521 if (!UNSPECIFIEDP (to
[i
]))
2522 to
[i
] = Fmerge_font_spec (from
[i
], to
[i
]);
2524 to
[i
] = Fcopy_font_spec (from
[i
]);
2525 ASET (to
[i
], FONT_SIZE_INDEX
, Qnil
);
2529 for (i
= 1; i
< LFACE_VECTOR_SIZE
; ++i
)
2530 if (!UNSPECIFIEDP (from
[i
]))
2532 if (i
== LFACE_HEIGHT_INDEX
&& !INTEGERP (from
[i
]))
2534 to
[i
] = merge_face_heights (from
[i
], to
[i
], to
[i
]);
2535 #ifdef HAVE_WINDOW_SYSTEM
2536 font_clear_prop (to
, FONT_SIZE_INDEX
);
2539 #ifdef HAVE_WINDOW_SYSTEM
2540 else if (i
!= LFACE_FONT_INDEX
)
2543 if (i
>= LFACE_FAMILY_INDEX
&& i
<=LFACE_SLANT_INDEX
)
2544 font_clear_prop (to
,
2545 (i
== LFACE_FAMILY_INDEX
? FONT_FAMILY_INDEX
2546 : i
== LFACE_SWIDTH_INDEX
? FONT_WIDTH_INDEX
2547 : i
== LFACE_HEIGHT_INDEX
? FONT_SIZE_INDEX
2548 : i
== LFACE_WEIGHT_INDEX
? FONT_WEIGHT_INDEX
2549 : FONT_SLANT_INDEX
));
2554 /* If `font' attribute is specified, reflect the font properties in
2555 it to the other attributes. */
2556 if (0 && !UNSPECIFIEDP (to
[LFACE_FONT_INDEX
]))
2557 font_update_lface (f
, to
);
2559 /* TO is always an absolute face, which should inherit from nothing.
2560 We blindly copy the :inherit attribute above and fix it up here. */
2561 to
[LFACE_INHERIT_INDEX
] = Qnil
;
2564 /* Merge the named face FACE_NAME on frame F, into the vector of face
2565 attributes TO. NAMED_MERGE_POINTS is used to detect loops in face
2566 inheritance. Returns true if FACE_NAME is a valid face name and
2567 merging succeeded. */
2570 merge_named_face (f
, face_name
, to
, named_merge_points
)
2572 Lisp_Object face_name
;
2574 struct named_merge_point
*named_merge_points
;
2576 struct named_merge_point named_merge_point
;
2578 if (push_named_merge_point (&named_merge_point
,
2579 face_name
, &named_merge_points
))
2581 struct gcpro gcpro1
;
2582 Lisp_Object from
[LFACE_VECTOR_SIZE
];
2583 int ok
= get_lface_attributes (f
, face_name
, from
, 0);
2587 GCPRO1 (named_merge_point
.face_name
);
2588 merge_face_vectors (f
, from
, to
, named_merge_points
);
2599 /* Merge face attributes from the lisp `face reference' FACE_REF on
2600 frame F into the face attribute vector TO. If ERR_MSGS is non-zero,
2601 problems with FACE_REF cause an error message to be shown. Return
2602 non-zero if no errors occurred (regardless of the value of ERR_MSGS).
2603 NAMED_MERGE_POINTS is used to detect loops in face inheritance or
2604 list structure; it may be 0 for most callers.
2606 FACE_REF may be a single face specification or a list of such
2607 specifications. Each face specification can be:
2609 1. A symbol or string naming a Lisp face.
2611 2. A property list of the form (KEYWORD VALUE ...) where each
2612 KEYWORD is a face attribute name, and value is an appropriate value
2615 3. Conses or the form (FOREGROUND-COLOR . COLOR) or
2616 (BACKGROUND-COLOR . COLOR) where COLOR is a color name. This is
2617 for compatibility with 20.2.
2619 Face specifications earlier in lists take precedence over later
2623 merge_face_ref (f
, face_ref
, to
, err_msgs
, named_merge_points
)
2625 Lisp_Object face_ref
;
2628 struct named_merge_point
*named_merge_points
;
2630 int ok
= 1; /* Succeed without an error? */
2632 if (CONSP (face_ref
))
2634 Lisp_Object first
= XCAR (face_ref
);
2636 if (EQ (first
, Qforeground_color
)
2637 || EQ (first
, Qbackground_color
))
2639 /* One of (FOREGROUND-COLOR . COLOR) or (BACKGROUND-COLOR
2640 . COLOR). COLOR must be a string. */
2641 Lisp_Object color_name
= XCDR (face_ref
);
2642 Lisp_Object color
= first
;
2644 if (STRINGP (color_name
))
2646 if (EQ (color
, Qforeground_color
))
2647 to
[LFACE_FOREGROUND_INDEX
] = color_name
;
2649 to
[LFACE_BACKGROUND_INDEX
] = color_name
;
2654 add_to_log ("Invalid face color", color_name
, Qnil
);
2658 else if (SYMBOLP (first
)
2659 && *SDATA (SYMBOL_NAME (first
)) == ':')
2661 /* Assume this is the property list form. */
2662 while (CONSP (face_ref
) && CONSP (XCDR (face_ref
)))
2664 Lisp_Object keyword
= XCAR (face_ref
);
2665 Lisp_Object value
= XCAR (XCDR (face_ref
));
2668 /* Specifying `unspecified' is a no-op. */
2669 if (EQ (value
, Qunspecified
))
2671 else if (EQ (keyword
, QCfamily
))
2673 if (STRINGP (value
))
2675 to
[LFACE_FAMILY_INDEX
] = value
;
2676 #ifdef HAVE_WINDOW_SYSTEM
2677 font_clear_prop (to
, FONT_FAMILY_INDEX
);
2683 else if (EQ (keyword
, QCheight
))
2685 Lisp_Object new_height
=
2686 merge_face_heights (value
, to
[LFACE_HEIGHT_INDEX
], Qnil
);
2688 if (! NILP (new_height
))
2690 to
[LFACE_HEIGHT_INDEX
] = new_height
;
2691 #ifdef HAVE_WINDOW_SYSTEM
2692 font_clear_prop (to
, FONT_SIZE_INDEX
);
2698 else if (EQ (keyword
, QCweight
))
2700 if (SYMBOLP (value
) && FONT_WEIGHT_NAME_NUMERIC (value
) >= 0)
2702 to
[LFACE_WEIGHT_INDEX
] = value
;
2703 #ifdef HAVE_WINDOW_SYSTEM
2704 font_clear_prop (to
, FONT_WEIGHT_INDEX
);
2710 else if (EQ (keyword
, QCslant
))
2712 if (SYMBOLP (value
) && FONT_SLANT_NAME_NUMERIC (value
) >= 0)
2714 to
[LFACE_SLANT_INDEX
] = value
;
2715 #ifdef HAVE_WINDOW_SYSTEM
2716 font_clear_prop (to
, FONT_SLANT_INDEX
);
2722 else if (EQ (keyword
, QCunderline
))
2727 to
[LFACE_UNDERLINE_INDEX
] = value
;
2731 else if (EQ (keyword
, QCoverline
))
2736 to
[LFACE_OVERLINE_INDEX
] = value
;
2740 else if (EQ (keyword
, QCstrike_through
))
2745 to
[LFACE_STRIKE_THROUGH_INDEX
] = value
;
2749 else if (EQ (keyword
, QCbox
))
2752 value
= make_number (1);
2753 if (INTEGERP (value
)
2757 to
[LFACE_BOX_INDEX
] = value
;
2761 else if (EQ (keyword
, QCinverse_video
)
2762 || EQ (keyword
, QCreverse_video
))
2764 if (EQ (value
, Qt
) || NILP (value
))
2765 to
[LFACE_INVERSE_INDEX
] = value
;
2769 else if (EQ (keyword
, QCforeground
))
2771 if (STRINGP (value
))
2772 to
[LFACE_FOREGROUND_INDEX
] = value
;
2776 else if (EQ (keyword
, QCbackground
))
2778 if (STRINGP (value
))
2779 to
[LFACE_BACKGROUND_INDEX
] = value
;
2783 else if (EQ (keyword
, QCstipple
))
2785 #ifdef HAVE_X_WINDOWS
2786 Lisp_Object pixmap_p
= Fbitmap_spec_p (value
);
2787 if (!NILP (pixmap_p
))
2788 to
[LFACE_STIPPLE_INDEX
] = value
;
2793 else if (EQ (keyword
, QCwidth
))
2795 if (SYMBOLP (value
) && FONT_WIDTH_NAME_NUMERIC (value
) >= 0)
2797 to
[LFACE_SWIDTH_INDEX
] = value
;
2798 #ifdef HAVE_WINDOW_SYSTEM
2799 font_clear_prop (to
, FONT_WIDTH_INDEX
);
2805 else if (EQ (keyword
, QCinherit
))
2807 /* This is not really very useful; it's just like a
2808 normal face reference. */
2809 if (! merge_face_ref (f
, value
, to
,
2810 err_msgs
, named_merge_points
))
2818 add_to_log ("Invalid face attribute %S %S", keyword
, value
);
2822 face_ref
= XCDR (XCDR (face_ref
));
2827 /* This is a list of face refs. Those at the beginning of the
2828 list take precedence over what follows, so we have to merge
2829 from the end backwards. */
2830 Lisp_Object next
= XCDR (face_ref
);
2833 ok
= merge_face_ref (f
, next
, to
, err_msgs
, named_merge_points
);
2835 if (! merge_face_ref (f
, first
, to
, err_msgs
, named_merge_points
))
2841 /* FACE_REF ought to be a face name. */
2842 ok
= merge_named_face (f
, face_ref
, to
, named_merge_points
);
2843 if (!ok
&& err_msgs
)
2844 add_to_log ("Invalid face reference: %s", face_ref
, Qnil
);
2851 DEFUN ("internal-make-lisp-face", Finternal_make_lisp_face
,
2852 Sinternal_make_lisp_face
, 1, 2, 0,
2853 doc
: /* Make FACE, a symbol, a Lisp face with all attributes nil.
2854 If FACE was not known as a face before, create a new one.
2855 If optional argument FRAME is specified, make a frame-local face
2856 for that frame. Otherwise operate on the global face definition.
2857 Value is a vector of face attributes. */)
2859 Lisp_Object face
, frame
;
2861 Lisp_Object global_lface
, lface
;
2865 CHECK_SYMBOL (face
);
2866 global_lface
= lface_from_face_name (NULL
, face
, 0);
2870 CHECK_LIVE_FRAME (frame
);
2872 lface
= lface_from_face_name (f
, face
, 0);
2875 f
= NULL
, lface
= Qnil
;
2877 /* Add a global definition if there is none. */
2878 if (NILP (global_lface
))
2880 global_lface
= Fmake_vector (make_number (LFACE_VECTOR_SIZE
),
2882 ASET (global_lface
, 0, Qface
);
2883 Vface_new_frame_defaults
= Fcons (Fcons (face
, global_lface
),
2884 Vface_new_frame_defaults
);
2886 /* Assign the new Lisp face a unique ID. The mapping from Lisp
2887 face id to Lisp face is given by the vector lface_id_to_name.
2888 The mapping from Lisp face to Lisp face id is given by the
2889 property `face' of the Lisp face name. */
2890 if (next_lface_id
== lface_id_to_name_size
)
2892 int new_size
= max (50, 2 * lface_id_to_name_size
);
2893 int sz
= new_size
* sizeof *lface_id_to_name
;
2894 lface_id_to_name
= (Lisp_Object
*) xrealloc (lface_id_to_name
, sz
);
2895 lface_id_to_name_size
= new_size
;
2898 lface_id_to_name
[next_lface_id
] = face
;
2899 Fput (face
, Qface
, make_number (next_lface_id
));
2903 for (i
= 1; i
< LFACE_VECTOR_SIZE
; ++i
)
2904 ASET (global_lface
, i
, Qunspecified
);
2906 /* Add a frame-local definition. */
2911 lface
= Fmake_vector (make_number (LFACE_VECTOR_SIZE
),
2913 ASET (lface
, 0, Qface
);
2914 f
->face_alist
= Fcons (Fcons (face
, lface
), f
->face_alist
);
2917 for (i
= 1; i
< LFACE_VECTOR_SIZE
; ++i
)
2918 ASET (lface
, i
, Qunspecified
);
2921 lface
= global_lface
;
2923 /* Changing a named face means that all realized faces depending on
2924 that face are invalid. Since we cannot tell which realized faces
2925 depend on the face, make sure they are all removed. This is done
2926 by incrementing face_change_count. The next call to
2927 init_iterator will then free realized faces. */
2928 if (NILP (Fget (face
, Qface_no_inherit
)))
2930 ++face_change_count
;
2931 ++windows_or_buffers_changed
;
2934 xassert (LFACEP (lface
));
2935 check_lface (lface
);
2940 DEFUN ("internal-lisp-face-p", Finternal_lisp_face_p
,
2941 Sinternal_lisp_face_p
, 1, 2, 0,
2942 doc
: /* Return non-nil if FACE names a face.
2943 If optional second argument FRAME is non-nil, check for the
2944 existence of a frame-local face with name FACE on that frame.
2945 Otherwise check for the existence of a global face. */)
2947 Lisp_Object face
, frame
;
2951 face
= resolve_face_name (face
, 1);
2955 CHECK_LIVE_FRAME (frame
);
2956 lface
= lface_from_face_name (XFRAME (frame
), face
, 0);
2959 lface
= lface_from_face_name (NULL
, face
, 0);
2965 DEFUN ("internal-copy-lisp-face", Finternal_copy_lisp_face
,
2966 Sinternal_copy_lisp_face
, 4, 4, 0,
2967 doc
: /* Copy face FROM to TO.
2968 If FRAME is t, copy the global face definition of FROM.
2969 Otherwise, copy the frame-local definition of FROM on FRAME.
2970 If NEW-FRAME is a frame, copy that data into the frame-local
2971 definition of TO on NEW-FRAME. If NEW-FRAME is nil.
2972 FRAME controls where the data is copied to.
2974 The value is TO. */)
2975 (from
, to
, frame
, new_frame
)
2976 Lisp_Object from
, to
, frame
, new_frame
;
2978 Lisp_Object lface
, copy
;
2980 CHECK_SYMBOL (from
);
2985 /* Copy global definition of FROM. We don't make copies of
2986 strings etc. because 20.2 didn't do it either. */
2987 lface
= lface_from_face_name (NULL
, from
, 1);
2988 copy
= Finternal_make_lisp_face (to
, Qnil
);
2992 /* Copy frame-local definition of FROM. */
2993 if (NILP (new_frame
))
2995 CHECK_LIVE_FRAME (frame
);
2996 CHECK_LIVE_FRAME (new_frame
);
2997 lface
= lface_from_face_name (XFRAME (frame
), from
, 1);
2998 copy
= Finternal_make_lisp_face (to
, new_frame
);
3001 bcopy (XVECTOR (lface
)->contents
, XVECTOR (copy
)->contents
,
3002 LFACE_VECTOR_SIZE
* sizeof (Lisp_Object
));
3004 /* Changing a named face means that all realized faces depending on
3005 that face are invalid. Since we cannot tell which realized faces
3006 depend on the face, make sure they are all removed. This is done
3007 by incrementing face_change_count. The next call to
3008 init_iterator will then free realized faces. */
3009 if (NILP (Fget (to
, Qface_no_inherit
)))
3011 ++face_change_count
;
3012 ++windows_or_buffers_changed
;
3019 DEFUN ("internal-set-lisp-face-attribute", Finternal_set_lisp_face_attribute
,
3020 Sinternal_set_lisp_face_attribute
, 3, 4, 0,
3021 doc
: /* Set attribute ATTR of FACE to VALUE.
3022 FRAME being a frame means change the face on that frame.
3023 FRAME nil means change the face of the selected frame.
3024 FRAME t means change the default for new frames.
3025 FRAME 0 means change the face on all frames, and change the default
3027 (face
, attr
, value
, frame
)
3028 Lisp_Object face
, attr
, value
, frame
;
3031 Lisp_Object old_value
= Qnil
;
3032 #ifdef HAVE_WINDOW_SYSTEM
3033 /* Set one of enum font_property_index (> 0) if ATTR is one of
3034 font-related attributes other than QCfont and QCfontset. */
3035 enum font_property_index prop_index
= 0;
3038 CHECK_SYMBOL (face
);
3039 CHECK_SYMBOL (attr
);
3041 face
= resolve_face_name (face
, 1);
3043 /* If FRAME is 0, change face on all frames, and change the
3044 default for new frames. */
3045 if (INTEGERP (frame
) && XINT (frame
) == 0)
3048 Finternal_set_lisp_face_attribute (face
, attr
, value
, Qt
);
3049 FOR_EACH_FRAME (tail
, frame
)
3050 Finternal_set_lisp_face_attribute (face
, attr
, value
, frame
);
3054 /* Set lface to the Lisp attribute vector of FACE. */
3057 lface
= lface_from_face_name (NULL
, face
, 1);
3059 /* When updating face-new-frame-defaults, we put :ignore-defface
3060 where the caller wants `unspecified'. This forces the frame
3061 defaults to ignore the defface value. Otherwise, the defface
3062 will take effect, which is generally not what is intended.
3063 The value of that attribute will be inherited from some other
3064 face during face merging. See internal_merge_in_global_face. */
3065 if (UNSPECIFIEDP (value
))
3066 value
= Qignore_defface
;
3071 frame
= selected_frame
;
3073 CHECK_LIVE_FRAME (frame
);
3074 lface
= lface_from_face_name (XFRAME (frame
), face
, 0);
3076 /* If a frame-local face doesn't exist yet, create one. */
3078 lface
= Finternal_make_lisp_face (face
, frame
);
3081 if (EQ (attr
, QCfamily
))
3083 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3085 CHECK_STRING (value
);
3086 if (SCHARS (value
) == 0)
3087 signal_error ("Invalid face family", value
);
3089 old_value
= LFACE_FAMILY (lface
);
3090 LFACE_FAMILY (lface
) = value
;
3091 #ifdef HAVE_WINDOW_SYSTEM
3092 prop_index
= FONT_FAMILY_INDEX
;
3095 else if (EQ (attr
, QCheight
))
3097 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3101 test
= (EQ (face
, Qdefault
)
3103 /* The default face must have an absolute size,
3104 otherwise, we do a test merge with a random
3105 height to see if VALUE's ok. */
3106 : merge_face_heights (value
, make_number (10), Qnil
));
3108 if (!INTEGERP (test
) || XINT (test
) <= 0)
3109 signal_error ("Invalid face height", value
);
3112 old_value
= LFACE_HEIGHT (lface
);
3113 LFACE_HEIGHT (lface
) = value
;
3114 #ifdef HAVE_WINDOW_SYSTEM
3115 prop_index
= FONT_SIZE_INDEX
;
3118 else if (EQ (attr
, QCweight
))
3120 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3122 CHECK_SYMBOL (value
);
3123 if (FONT_WEIGHT_NAME_NUMERIC (value
) < 0)
3124 signal_error ("Invalid face weight", value
);
3126 old_value
= LFACE_WEIGHT (lface
);
3127 LFACE_WEIGHT (lface
) = value
;
3128 #ifdef HAVE_WINDOW_SYSTEM
3129 prop_index
= FONT_WEIGHT_INDEX
;
3132 else if (EQ (attr
, QCslant
))
3134 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3136 CHECK_SYMBOL (value
);
3137 if (FONT_SLANT_NAME_NUMERIC (value
) < 0)
3138 signal_error ("Invalid face slant", value
);
3140 old_value
= LFACE_SLANT (lface
);
3141 LFACE_SLANT (lface
) = value
;
3142 #ifdef HAVE_WINDOW_SYSTEM
3143 prop_index
= FONT_SLANT_INDEX
;
3146 else if (EQ (attr
, QCunderline
))
3148 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3149 if ((SYMBOLP (value
)
3151 && !EQ (value
, Qnil
))
3152 /* Underline color. */
3154 && SCHARS (value
) == 0))
3155 signal_error ("Invalid face underline", value
);
3157 old_value
= LFACE_UNDERLINE (lface
);
3158 LFACE_UNDERLINE (lface
) = value
;
3160 else if (EQ (attr
, QCoverline
))
3162 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3163 if ((SYMBOLP (value
)
3165 && !EQ (value
, Qnil
))
3166 /* Overline color. */
3168 && SCHARS (value
) == 0))
3169 signal_error ("Invalid face overline", value
);
3171 old_value
= LFACE_OVERLINE (lface
);
3172 LFACE_OVERLINE (lface
) = value
;
3174 else if (EQ (attr
, QCstrike_through
))
3176 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3177 if ((SYMBOLP (value
)
3179 && !EQ (value
, Qnil
))
3180 /* Strike-through color. */
3182 && SCHARS (value
) == 0))
3183 signal_error ("Invalid face strike-through", value
);
3185 old_value
= LFACE_STRIKE_THROUGH (lface
);
3186 LFACE_STRIKE_THROUGH (lface
) = value
;
3188 else if (EQ (attr
, QCbox
))
3192 /* Allow t meaning a simple box of width 1 in foreground color
3195 value
= make_number (1);
3197 if (UNSPECIFIEDP (value
) || IGNORE_DEFFACE_P (value
))
3199 else if (NILP (value
))
3201 else if (INTEGERP (value
))
3202 valid_p
= XINT (value
) != 0;
3203 else if (STRINGP (value
))
3204 valid_p
= SCHARS (value
) > 0;
3205 else if (CONSP (value
))
3221 if (EQ (k
, QCline_width
))
3223 if (!INTEGERP (v
) || XINT (v
) == 0)
3226 else if (EQ (k
, QCcolor
))
3228 if (!NILP (v
) && (!STRINGP (v
) || SCHARS (v
) == 0))
3231 else if (EQ (k
, QCstyle
))
3233 if (!EQ (v
, Qpressed_button
) && !EQ (v
, Qreleased_button
))
3240 valid_p
= NILP (tem
);
3246 signal_error ("Invalid face box", value
);
3248 old_value
= LFACE_BOX (lface
);
3249 LFACE_BOX (lface
) = value
;
3251 else if (EQ (attr
, QCinverse_video
)
3252 || EQ (attr
, QCreverse_video
))
3254 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3256 CHECK_SYMBOL (value
);
3257 if (!EQ (value
, Qt
) && !NILP (value
))
3258 signal_error ("Invalid inverse-video face attribute value", value
);
3260 old_value
= LFACE_INVERSE (lface
);
3261 LFACE_INVERSE (lface
) = value
;
3263 else if (EQ (attr
, QCforeground
))
3265 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3267 /* Don't check for valid color names here because it depends
3268 on the frame (display) whether the color will be valid
3269 when the face is realized. */
3270 CHECK_STRING (value
);
3271 if (SCHARS (value
) == 0)
3272 signal_error ("Empty foreground color value", value
);
3274 old_value
= LFACE_FOREGROUND (lface
);
3275 LFACE_FOREGROUND (lface
) = value
;
3277 else if (EQ (attr
, QCbackground
))
3279 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3281 /* Don't check for valid color names here because it depends
3282 on the frame (display) whether the color will be valid
3283 when the face is realized. */
3284 CHECK_STRING (value
);
3285 if (SCHARS (value
) == 0)
3286 signal_error ("Empty background color value", value
);
3288 old_value
= LFACE_BACKGROUND (lface
);
3289 LFACE_BACKGROUND (lface
) = value
;
3291 else if (EQ (attr
, QCstipple
))
3293 #ifdef HAVE_X_WINDOWS
3294 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
)
3296 && NILP (Fbitmap_spec_p (value
)))
3297 signal_error ("Invalid stipple attribute", value
);
3298 old_value
= LFACE_STIPPLE (lface
);
3299 LFACE_STIPPLE (lface
) = value
;
3300 #endif /* HAVE_X_WINDOWS */
3302 else if (EQ (attr
, QCwidth
))
3304 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3306 CHECK_SYMBOL (value
);
3307 if (FONT_WIDTH_NAME_NUMERIC (value
) < 0)
3308 signal_error ("Invalid face width", value
);
3310 old_value
= LFACE_SWIDTH (lface
);
3311 LFACE_SWIDTH (lface
) = value
;
3312 #ifdef HAVE_WINDOW_SYSTEM
3313 prop_index
= FONT_WIDTH_INDEX
;
3316 else if (EQ (attr
, QCfont
))
3318 #ifdef HAVE_WINDOW_SYSTEM
3319 if (EQ (frame
, Qt
) || FRAME_WINDOW_P (XFRAME (frame
)))
3321 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3325 old_value
= LFACE_FONT (lface
);
3326 if (! FONTP (value
))
3328 if (STRINGP (value
))
3330 int fontset
= fs_query_fontset (value
, 0);
3333 value
= fontset_ascii (fontset
);
3334 value
= font_spec_from_name (value
);
3337 signal_error ("Invalid font or font-spec", value
);
3340 f
= XFRAME (selected_frame
);
3343 if (! FONT_OBJECT_P (value
))
3345 Lisp_Object
*attrs
= XVECTOR (lface
)->contents
;
3346 Lisp_Object font_object
;
3348 font_object
= font_load_for_lface (f
, attrs
, value
);
3349 if (NILP (font_object
))
3350 signal_error ("Font not available", value
);
3351 value
= font_object
;
3353 set_lface_from_font (f
, lface
, value
, 1);
3356 LFACE_FONT (lface
) = value
;
3358 #endif /* HAVE_WINDOW_SYSTEM */
3360 else if (EQ (attr
, QCfontset
))
3362 #ifdef HAVE_WINDOW_SYSTEM
3363 if (EQ (frame
, Qt
) || FRAME_WINDOW_P (XFRAME (frame
)))
3367 old_value
= LFACE_FONTSET (lface
);
3368 tmp
= Fquery_fontset (value
, Qnil
);
3370 signal_error ("Invalid fontset name", value
);
3371 LFACE_FONTSET (lface
) = value
= tmp
;
3373 #endif /* HAVE_WINDOW_SYSTEM */
3375 else if (EQ (attr
, QCinherit
))
3378 if (SYMBOLP (value
))
3381 for (tail
= value
; CONSP (tail
); tail
= XCDR (tail
))
3382 if (!SYMBOLP (XCAR (tail
)))
3385 LFACE_INHERIT (lface
) = value
;
3387 signal_error ("Invalid face inheritance", value
);
3389 else if (EQ (attr
, QCbold
))
3391 old_value
= LFACE_WEIGHT (lface
);
3392 LFACE_WEIGHT (lface
) = NILP (value
) ? Qnormal
: Qbold
;
3393 #ifdef HAVE_WINDOW_SYSTEM
3394 prop_index
= FONT_WEIGHT_INDEX
;
3397 else if (EQ (attr
, QCitalic
))
3400 old_value
= LFACE_SLANT (lface
);
3401 LFACE_SLANT (lface
) = NILP (value
) ? Qnormal
: Qitalic
;
3402 #ifdef HAVE_WINDOW_SYSTEM
3403 prop_index
= FONT_SLANT_INDEX
;
3407 signal_error ("Invalid face attribute name", attr
);
3409 #ifdef HAVE_WINDOW_SYSTEM
3411 /* If a font-related attribute other than QCfont and QCfontset is
3412 specified, and if the original QCfont attribute has a font
3413 (font-spec or font-object), set the corresponding property in
3414 the font to nil so that the font selector doesn't think that
3415 the attribute is mandatory. */
3416 font_clear_prop (XVECTOR (lface
)->contents
, prop_index
);
3419 /* Changing a named face means that all realized faces depending on
3420 that face are invalid. Since we cannot tell which realized faces
3421 depend on the face, make sure they are all removed. This is done
3422 by incrementing face_change_count. The next call to
3423 init_iterator will then free realized faces. */
3425 && NILP (Fget (face
, Qface_no_inherit
))
3426 && NILP (Fequal (old_value
, value
)))
3428 ++face_change_count
;
3429 ++windows_or_buffers_changed
;
3432 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
)
3433 && NILP (Fequal (old_value
, value
)))
3439 if (EQ (face
, Qdefault
))
3441 #ifdef HAVE_WINDOW_SYSTEM
3442 /* Changed font-related attributes of the `default' face are
3443 reflected in changed `font' frame parameters. */
3445 && (prop_index
|| EQ (attr
, QCfont
))
3446 && lface_fully_specified_p (XVECTOR (lface
)->contents
))
3447 set_font_frame_param (frame
, lface
);
3449 #endif /* HAVE_WINDOW_SYSTEM */
3451 if (EQ (attr
, QCforeground
))
3452 param
= Qforeground_color
;
3453 else if (EQ (attr
, QCbackground
))
3454 param
= Qbackground_color
;
3456 #ifdef HAVE_WINDOW_SYSTEM
3458 else if (EQ (face
, Qscroll_bar
))
3460 /* Changing the colors of `scroll-bar' sets frame parameters
3461 `scroll-bar-foreground' and `scroll-bar-background'. */
3462 if (EQ (attr
, QCforeground
))
3463 param
= Qscroll_bar_foreground
;
3464 else if (EQ (attr
, QCbackground
))
3465 param
= Qscroll_bar_background
;
3467 #endif /* not WINDOWSNT */
3468 else if (EQ (face
, Qborder
))
3470 /* Changing background color of `border' sets frame parameter
3472 if (EQ (attr
, QCbackground
))
3473 param
= Qborder_color
;
3475 else if (EQ (face
, Qcursor
))
3477 /* Changing background color of `cursor' sets frame parameter
3479 if (EQ (attr
, QCbackground
))
3480 param
= Qcursor_color
;
3482 else if (EQ (face
, Qmouse
))
3484 /* Changing background color of `mouse' sets frame parameter
3486 if (EQ (attr
, QCbackground
))
3487 param
= Qmouse_color
;
3489 #endif /* HAVE_WINDOW_SYSTEM */
3490 else if (EQ (face
, Qmenu
))
3492 /* Indicate that we have to update the menu bar when
3493 realizing faces on FRAME. FRAME t change the
3494 default for new frames. We do this by setting
3495 setting the flag in new face caches */
3498 struct frame
*f
= XFRAME (frame
);
3499 if (FRAME_FACE_CACHE (f
) == NULL
)
3500 FRAME_FACE_CACHE (f
) = make_face_cache (f
);
3501 FRAME_FACE_CACHE (f
)->menu_face_changed_p
= 1;
3504 menu_face_changed_default
= 1;
3510 /* Update `default-frame-alist', which is used for new frames. */
3512 store_in_alist (&Vdefault_frame_alist
, param
, value
);
3515 /* Update the current frame's parameters. */
3518 cons
= XCAR (Vparam_value_alist
);
3519 XSETCAR (cons
, param
);
3520 XSETCDR (cons
, value
);
3521 Fmodify_frame_parameters (frame
, Vparam_value_alist
);
3530 #ifdef HAVE_WINDOW_SYSTEM
3532 /* Set the `font' frame parameter of FRAME determined from the
3533 font-object set in `default' face attributes LFACE. */
3536 set_font_frame_param (frame
, lface
)
3537 Lisp_Object frame
, lface
;
3539 struct frame
*f
= XFRAME (frame
);
3541 if (FRAME_WINDOW_P (f
))
3543 Lisp_Object font
= LFACE_FONT (lface
);
3545 if (FONT_SPEC_P (font
))
3547 font
= font_load_for_lface (f
, XVECTOR (lface
)->contents
, font
);
3550 LFACE_FONT (lface
) = font
;
3552 f
->default_face_done_p
= 0;
3553 Fmodify_frame_parameters (frame
, Fcons (Fcons (Qfont
, font
), Qnil
));
3558 /* Update the corresponding face when frame parameter PARAM on frame F
3559 has been assigned the value NEW_VALUE. */
3562 update_face_from_frame_parameter (f
, param
, new_value
)
3564 Lisp_Object param
, new_value
;
3566 Lisp_Object face
= Qnil
;
3569 /* If there are no faces yet, give up. This is the case when called
3570 from Fx_create_frame, and we do the necessary things later in
3571 face-set-after-frame-defaults. */
3572 if (NILP (f
->face_alist
))
3575 if (EQ (param
, Qforeground_color
))
3578 lface
= lface_from_face_name (f
, face
, 1);
3579 LFACE_FOREGROUND (lface
) = (STRINGP (new_value
)
3580 ? new_value
: Qunspecified
);
3581 realize_basic_faces (f
);
3583 else if (EQ (param
, Qbackground_color
))
3587 /* Changing the background color might change the background
3588 mode, so that we have to load new defface specs.
3589 Call frame-set-background-mode to do that. */
3590 XSETFRAME (frame
, f
);
3591 call1 (Qframe_set_background_mode
, frame
);
3594 lface
= lface_from_face_name (f
, face
, 1);
3595 LFACE_BACKGROUND (lface
) = (STRINGP (new_value
)
3596 ? new_value
: Qunspecified
);
3597 realize_basic_faces (f
);
3599 else if (EQ (param
, Qborder_color
))
3602 lface
= lface_from_face_name (f
, face
, 1);
3603 LFACE_BACKGROUND (lface
) = (STRINGP (new_value
)
3604 ? new_value
: Qunspecified
);
3606 else if (EQ (param
, Qcursor_color
))
3609 lface
= lface_from_face_name (f
, face
, 1);
3610 LFACE_BACKGROUND (lface
) = (STRINGP (new_value
)
3611 ? new_value
: Qunspecified
);
3613 else if (EQ (param
, Qmouse_color
))
3616 lface
= lface_from_face_name (f
, face
, 1);
3617 LFACE_BACKGROUND (lface
) = (STRINGP (new_value
)
3618 ? new_value
: Qunspecified
);
3621 /* Changing a named face means that all realized faces depending on
3622 that face are invalid. Since we cannot tell which realized faces
3623 depend on the face, make sure they are all removed. This is done
3624 by incrementing face_change_count. The next call to
3625 init_iterator will then free realized faces. */
3627 && NILP (Fget (face
, Qface_no_inherit
)))
3629 ++face_change_count
;
3630 ++windows_or_buffers_changed
;
3635 /* Get the value of X resource RESOURCE, class CLASS for the display
3636 of frame FRAME. This is here because ordinary `x-get-resource'
3637 doesn't take a frame argument. */
3639 DEFUN ("internal-face-x-get-resource", Finternal_face_x_get_resource
,
3640 Sinternal_face_x_get_resource
, 3, 3, 0, doc
: /* */)
3641 (resource
, class, frame
)
3642 Lisp_Object resource
, class, frame
;
3644 Lisp_Object value
= Qnil
;
3645 CHECK_STRING (resource
);
3646 CHECK_STRING (class);
3647 CHECK_LIVE_FRAME (frame
);
3649 value
= display_x_get_resource (FRAME_X_DISPLAY_INFO (XFRAME (frame
)),
3650 resource
, class, Qnil
, Qnil
);
3656 /* Return resource string VALUE as a boolean value, i.e. nil, or t.
3657 If VALUE is "on" or "true", return t. If VALUE is "off" or
3658 "false", return nil. Otherwise, if SIGNAL_P is non-zero, signal an
3659 error; if SIGNAL_P is zero, return 0. */
3662 face_boolean_x_resource_value (value
, signal_p
)
3666 Lisp_Object result
= make_number (0);
3668 xassert (STRINGP (value
));
3670 if (xstricmp (SDATA (value
), "on") == 0
3671 || xstricmp (SDATA (value
), "true") == 0)
3673 else if (xstricmp (SDATA (value
), "off") == 0
3674 || xstricmp (SDATA (value
), "false") == 0)
3676 else if (xstricmp (SDATA (value
), "unspecified") == 0)
3677 result
= Qunspecified
;
3679 signal_error ("Invalid face attribute value from X resource", value
);
3685 DEFUN ("internal-set-lisp-face-attribute-from-resource",
3686 Finternal_set_lisp_face_attribute_from_resource
,
3687 Sinternal_set_lisp_face_attribute_from_resource
,
3688 3, 4, 0, doc
: /* */)
3689 (face
, attr
, value
, frame
)
3690 Lisp_Object face
, attr
, value
, frame
;
3692 CHECK_SYMBOL (face
);
3693 CHECK_SYMBOL (attr
);
3694 CHECK_STRING (value
);
3696 if (xstricmp (SDATA (value
), "unspecified") == 0)
3697 value
= Qunspecified
;
3698 else if (EQ (attr
, QCheight
))
3700 value
= Fstring_to_number (value
, make_number (10));
3701 if (XINT (value
) <= 0)
3702 signal_error ("Invalid face height from X resource", value
);
3704 else if (EQ (attr
, QCbold
) || EQ (attr
, QCitalic
))
3705 value
= face_boolean_x_resource_value (value
, 1);
3706 else if (EQ (attr
, QCweight
) || EQ (attr
, QCslant
) || EQ (attr
, QCwidth
))
3707 value
= intern (SDATA (value
));
3708 else if (EQ (attr
, QCreverse_video
) || EQ (attr
, QCinverse_video
))
3709 value
= face_boolean_x_resource_value (value
, 1);
3710 else if (EQ (attr
, QCunderline
)
3711 || EQ (attr
, QCoverline
)
3712 || EQ (attr
, QCstrike_through
))
3714 Lisp_Object boolean_value
;
3716 /* If the result of face_boolean_x_resource_value is t or nil,
3717 VALUE does NOT specify a color. */
3718 boolean_value
= face_boolean_x_resource_value (value
, 0);
3719 if (SYMBOLP (boolean_value
))
3720 value
= boolean_value
;
3722 else if (EQ (attr
, QCbox
) || EQ (attr
, QCinherit
))
3723 value
= Fcar (Fread_from_string (value
, Qnil
, Qnil
));
3725 return Finternal_set_lisp_face_attribute (face
, attr
, value
, frame
);
3728 #endif /* HAVE_WINDOW_SYSTEM */
3731 /***********************************************************************
3733 ***********************************************************************/
3735 #if defined HAVE_X_WINDOWS && defined USE_X_TOOLKIT
3737 /* Make menus on frame F appear as specified by the `menu' face. */
3740 x_update_menu_appearance (f
)
3743 struct x_display_info
*dpyinfo
= FRAME_X_DISPLAY_INFO (f
);
3747 && (rdb
= XrmGetDatabase (FRAME_X_DISPLAY (f
)),
3751 Lisp_Object lface
= lface_from_face_name (f
, Qmenu
, 1);
3752 struct face
*face
= FACE_FROM_ID (f
, MENU_FACE_ID
);
3753 const char *myname
= SDATA (Vx_resource_name
);
3756 const char *popup_path
= "popup_menu";
3758 const char *popup_path
= "menu.popup";
3761 if (STRINGP (LFACE_FOREGROUND (lface
)))
3763 sprintf (line
, "%s.%s*foreground: %s",
3765 SDATA (LFACE_FOREGROUND (lface
)));
3766 XrmPutLineResource (&rdb
, line
);
3767 sprintf (line
, "%s.pane.menubar*foreground: %s",
3768 myname
, SDATA (LFACE_FOREGROUND (lface
)));
3769 XrmPutLineResource (&rdb
, line
);
3773 if (STRINGP (LFACE_BACKGROUND (lface
)))
3775 sprintf (line
, "%s.%s*background: %s",
3777 SDATA (LFACE_BACKGROUND (lface
)));
3778 XrmPutLineResource (&rdb
, line
);
3779 sprintf (line
, "%s.pane.menubar*background: %s",
3780 myname
, SDATA (LFACE_BACKGROUND (lface
)));
3781 XrmPutLineResource (&rdb
, line
);
3786 && (!UNSPECIFIEDP (LFACE_FAMILY (lface
))
3787 || !UNSPECIFIEDP (LFACE_SWIDTH (lface
))
3788 || !UNSPECIFIEDP (LFACE_WEIGHT (lface
))
3789 || !UNSPECIFIEDP (LFACE_SLANT (lface
))
3790 || !UNSPECIFIEDP (LFACE_HEIGHT (lface
))))
3792 Lisp_Object xlfd
= Ffont_xlfd_name (LFACE_FONT (lface
));
3794 const char *suffix
= "List";
3797 #if defined HAVE_X_I18N
3799 const char *suffix
= "Set";
3801 const char *suffix
= "";
3808 #if defined HAVE_X_I18N
3809 extern char *xic_create_fontsetname
3810 P_ ((char *base_fontname
, Bool motif
));
3811 char *fontsetname
= xic_create_fontsetname (SDATA (xlfd
), motif
);
3813 char *fontsetname
= (char *) SDATA (xlfd
);
3815 sprintf (line
, "%s.pane.menubar*font%s: %s",
3816 myname
, suffix
, fontsetname
);
3817 XrmPutLineResource (&rdb
, line
);
3818 sprintf (line
, "%s.%s*font%s: %s",
3819 myname
, popup_path
, suffix
, fontsetname
);
3820 XrmPutLineResource (&rdb
, line
);
3822 if (fontsetname
!= (char *) SDATA (xlfd
))
3823 xfree (fontsetname
);
3827 if (changed_p
&& f
->output_data
.x
->menubar_widget
)
3828 free_frame_menubar (f
);
3832 #endif /* HAVE_X_WINDOWS && USE_X_TOOLKIT */
3835 DEFUN ("face-attribute-relative-p", Fface_attribute_relative_p
,
3836 Sface_attribute_relative_p
,
3838 doc
: /* Check whether a face attribute value is relative.
3839 Specifically, this function returns t if the attribute ATTRIBUTE
3840 with the value VALUE is relative.
3842 A relative value is one that doesn't entirely override whatever is
3843 inherited from another face. For most possible attributes,
3844 the only relative value that users see is `unspecified'.
3845 However, for :height, floating point values are also relative. */)
3847 Lisp_Object attribute
, value
;
3849 if (EQ (value
, Qunspecified
) || (EQ (value
, Qignore_defface
)))
3851 else if (EQ (attribute
, QCheight
))
3852 return INTEGERP (value
) ? Qnil
: Qt
;
3857 DEFUN ("merge-face-attribute", Fmerge_face_attribute
, Smerge_face_attribute
,
3859 doc
: /* Return face ATTRIBUTE VALUE1 merged with VALUE2.
3860 If VALUE1 or VALUE2 are absolute (see `face-attribute-relative-p'), then
3861 the result will be absolute, otherwise it will be relative. */)
3862 (attribute
, value1
, value2
)
3863 Lisp_Object attribute
, value1
, value2
;
3865 if (EQ (value1
, Qunspecified
) || EQ (value1
, Qignore_defface
))
3867 else if (EQ (attribute
, QCheight
))
3868 return merge_face_heights (value1
, value2
, value1
);
3874 DEFUN ("internal-get-lisp-face-attribute", Finternal_get_lisp_face_attribute
,
3875 Sinternal_get_lisp_face_attribute
,
3877 doc
: /* Return face attribute KEYWORD of face SYMBOL.
3878 If SYMBOL does not name a valid Lisp face or KEYWORD isn't a valid
3879 face attribute name, signal an error.
3880 If the optional argument FRAME is given, report on face SYMBOL in that
3881 frame. If FRAME is t, report on the defaults for face SYMBOL (for new
3882 frames). If FRAME is omitted or nil, use the selected frame. */)
3883 (symbol
, keyword
, frame
)
3884 Lisp_Object symbol
, keyword
, frame
;
3886 Lisp_Object lface
, value
= Qnil
;
3888 CHECK_SYMBOL (symbol
);
3889 CHECK_SYMBOL (keyword
);
3892 lface
= lface_from_face_name (NULL
, symbol
, 1);
3896 frame
= selected_frame
;
3897 CHECK_LIVE_FRAME (frame
);
3898 lface
= lface_from_face_name (XFRAME (frame
), symbol
, 1);
3901 if (EQ (keyword
, QCfamily
))
3902 value
= LFACE_FAMILY (lface
);
3903 else if (EQ (keyword
, QCheight
))
3904 value
= LFACE_HEIGHT (lface
);
3905 else if (EQ (keyword
, QCweight
))
3906 value
= LFACE_WEIGHT (lface
);
3907 else if (EQ (keyword
, QCslant
))
3908 value
= LFACE_SLANT (lface
);
3909 else if (EQ (keyword
, QCunderline
))
3910 value
= LFACE_UNDERLINE (lface
);
3911 else if (EQ (keyword
, QCoverline
))
3912 value
= LFACE_OVERLINE (lface
);
3913 else if (EQ (keyword
, QCstrike_through
))
3914 value
= LFACE_STRIKE_THROUGH (lface
);
3915 else if (EQ (keyword
, QCbox
))
3916 value
= LFACE_BOX (lface
);
3917 else if (EQ (keyword
, QCinverse_video
)
3918 || EQ (keyword
, QCreverse_video
))
3919 value
= LFACE_INVERSE (lface
);
3920 else if (EQ (keyword
, QCforeground
))
3921 value
= LFACE_FOREGROUND (lface
);
3922 else if (EQ (keyword
, QCbackground
))
3923 value
= LFACE_BACKGROUND (lface
);
3924 else if (EQ (keyword
, QCstipple
))
3925 value
= LFACE_STIPPLE (lface
);
3926 else if (EQ (keyword
, QCwidth
))
3927 value
= LFACE_SWIDTH (lface
);
3928 else if (EQ (keyword
, QCinherit
))
3929 value
= LFACE_INHERIT (lface
);
3930 else if (EQ (keyword
, QCfont
))
3931 value
= LFACE_FONT (lface
);
3932 else if (EQ (keyword
, QCfontset
))
3933 value
= LFACE_FONTSET (lface
);
3935 signal_error ("Invalid face attribute name", keyword
);
3937 if (IGNORE_DEFFACE_P (value
))
3938 return Qunspecified
;
3944 DEFUN ("internal-lisp-face-attribute-values",
3945 Finternal_lisp_face_attribute_values
,
3946 Sinternal_lisp_face_attribute_values
, 1, 1, 0,
3947 doc
: /* Return a list of valid discrete values for face attribute ATTR.
3948 Value is nil if ATTR doesn't have a discrete set of valid values. */)
3952 Lisp_Object result
= Qnil
;
3954 CHECK_SYMBOL (attr
);
3956 if (EQ (attr
, QCunderline
))
3957 result
= Fcons (Qt
, Fcons (Qnil
, Qnil
));
3958 else if (EQ (attr
, QCoverline
))
3959 result
= Fcons (Qt
, Fcons (Qnil
, Qnil
));
3960 else if (EQ (attr
, QCstrike_through
))
3961 result
= Fcons (Qt
, Fcons (Qnil
, Qnil
));
3962 else if (EQ (attr
, QCinverse_video
) || EQ (attr
, QCreverse_video
))
3963 result
= Fcons (Qt
, Fcons (Qnil
, Qnil
));
3969 DEFUN ("internal-merge-in-global-face", Finternal_merge_in_global_face
,
3970 Sinternal_merge_in_global_face
, 2, 2, 0,
3971 doc
: /* Add attributes from frame-default definition of FACE to FACE on FRAME.
3972 Default face attributes override any local face attributes. */)
3974 Lisp_Object face
, frame
;
3977 Lisp_Object global_lface
, local_lface
, *gvec
, *lvec
;
3979 CHECK_LIVE_FRAME (frame
);
3980 global_lface
= lface_from_face_name (NULL
, face
, 1);
3981 local_lface
= lface_from_face_name (XFRAME (frame
), face
, 0);
3982 if (NILP (local_lface
))
3983 local_lface
= Finternal_make_lisp_face (face
, frame
);
3985 /* Make every specified global attribute override the local one.
3986 BEWARE!! This is only used from `face-set-after-frame-default' where
3987 the local frame is defined from default specs in `face-defface-spec'
3988 and those should be overridden by global settings. Hence the strange
3989 "global before local" priority. */
3990 lvec
= XVECTOR (local_lface
)->contents
;
3991 gvec
= XVECTOR (global_lface
)->contents
;
3992 for (i
= 1; i
< LFACE_VECTOR_SIZE
; ++i
)
3993 if (! UNSPECIFIEDP (gvec
[i
]))
3995 if (IGNORE_DEFFACE_P (gvec
[i
]))
3996 lvec
[i
] = Qunspecified
;
4005 /* The following function is implemented for compatibility with 20.2.
4006 The function is used in x-resolve-fonts when it is asked to
4007 return fonts with the same size as the font of a face. This is
4008 done in fontset.el. */
4010 DEFUN ("face-font", Fface_font
, Sface_font
, 1, 3, 0,
4011 doc
: /* Return the font name of face FACE, or nil if it is unspecified.
4012 The font name is, by default, for ASCII characters.
4013 If the optional argument FRAME is given, report on face FACE in that frame.
4014 If FRAME is t, report on the defaults for face FACE (for new frames).
4015 The font default for a face is either nil, or a list
4016 of the form (bold), (italic) or (bold italic).
4017 If FRAME is omitted or nil, use the selected frame. And, in this case,
4018 if the optional third argument CHARACTER is given,
4019 return the font name used for CHARACTER. */)
4020 (face
, frame
, character
)
4021 Lisp_Object face
, frame
, character
;
4025 Lisp_Object result
= Qnil
;
4026 Lisp_Object lface
= lface_from_face_name (NULL
, face
, 1);
4028 if (!UNSPECIFIEDP (LFACE_WEIGHT (lface
))
4029 && !EQ (LFACE_WEIGHT (lface
), Qnormal
))
4030 result
= Fcons (Qbold
, result
);
4032 if (!UNSPECIFIEDP (LFACE_SLANT (lface
))
4033 && !EQ (LFACE_SLANT (lface
), Qnormal
))
4034 result
= Fcons (Qitalic
, result
);
4040 struct frame
*f
= frame_or_selected_frame (frame
, 1);
4041 int face_id
= lookup_named_face (f
, face
, 1);
4042 struct face
*face
= FACE_FROM_ID (f
, face_id
);
4046 #ifdef HAVE_WINDOW_SYSTEM
4047 if (FRAME_WINDOW_P (f
) && !NILP (character
))
4049 CHECK_CHARACTER (character
);
4050 face_id
= FACE_FOR_CHAR (f
, face
, XINT (character
), -1, Qnil
);
4051 face
= FACE_FROM_ID (f
, face_id
);
4054 ? face
->font
->props
[FONT_NAME_INDEX
]
4056 #else /* !HAVE_WINDOW_SYSTEM */
4057 return build_string (FRAME_MSDOS_P (f
)
4059 : FRAME_W32_P (f
) ? "w32term"
4066 /* Compare face-attribute values v1 and v2 for equality. Value is non-zero if
4067 all attributes are `equal'. Tries to be fast because this function
4068 is called quite often. */
4071 face_attr_equal_p (v1
, v2
)
4074 /* Type can differ, e.g. when one attribute is unspecified, i.e. nil,
4075 and the other is specified. */
4076 if (XTYPE (v1
) != XTYPE (v2
))
4085 if (SBYTES (v1
) != SBYTES (v2
))
4088 return bcmp (SDATA (v1
), SDATA (v2
), SBYTES (v1
)) == 0;
4095 return !NILP (Fequal (v1
, v2
));
4100 /* Compare face vectors V1 and V2 for equality. Value is non-zero if
4101 all attributes are `equal'. Tries to be fast because this function
4102 is called quite often. */
4105 lface_equal_p (v1
, v2
)
4106 Lisp_Object
*v1
, *v2
;
4110 for (i
= 1; i
< LFACE_VECTOR_SIZE
&& equal_p
; ++i
)
4111 equal_p
= face_attr_equal_p (v1
[i
], v2
[i
]);
4117 DEFUN ("internal-lisp-face-equal-p", Finternal_lisp_face_equal_p
,
4118 Sinternal_lisp_face_equal_p
, 2, 3, 0,
4119 doc
: /* True if FACE1 and FACE2 are equal.
4120 If the optional argument FRAME is given, report on FACE1 and FACE2 in that frame.
4121 If FRAME is t, report on the defaults for FACE1 and FACE2 (for new frames).
4122 If FRAME is omitted or nil, use the selected frame. */)
4123 (face1
, face2
, frame
)
4124 Lisp_Object face1
, face2
, frame
;
4128 Lisp_Object lface1
, lface2
;
4133 /* Don't use check_x_frame here because this function is called
4134 before X frames exist. At that time, if FRAME is nil,
4135 selected_frame will be used which is the frame dumped with
4136 Emacs. That frame is not an X frame. */
4137 f
= frame_or_selected_frame (frame
, 2);
4139 lface1
= lface_from_face_name (f
, face1
, 1);
4140 lface2
= lface_from_face_name (f
, face2
, 1);
4141 equal_p
= lface_equal_p (XVECTOR (lface1
)->contents
,
4142 XVECTOR (lface2
)->contents
);
4143 return equal_p
? Qt
: Qnil
;
4147 DEFUN ("internal-lisp-face-empty-p", Finternal_lisp_face_empty_p
,
4148 Sinternal_lisp_face_empty_p
, 1, 2, 0,
4149 doc
: /* True if FACE has no attribute specified.
4150 If the optional argument FRAME is given, report on face FACE in that frame.
4151 If FRAME is t, report on the defaults for face FACE (for new frames).
4152 If FRAME is omitted or nil, use the selected frame. */)
4154 Lisp_Object face
, frame
;
4161 frame
= selected_frame
;
4162 CHECK_LIVE_FRAME (frame
);
4166 lface
= lface_from_face_name (NULL
, face
, 1);
4168 lface
= lface_from_face_name (f
, face
, 1);
4170 for (i
= 1; i
< LFACE_VECTOR_SIZE
; ++i
)
4171 if (!UNSPECIFIEDP (AREF (lface
, i
)))
4174 return i
== LFACE_VECTOR_SIZE
? Qt
: Qnil
;
4178 DEFUN ("frame-face-alist", Fframe_face_alist
, Sframe_face_alist
,
4180 doc
: /* Return an alist of frame-local faces defined on FRAME.
4181 For internal use only. */)
4185 struct frame
*f
= frame_or_selected_frame (frame
, 0);
4186 return f
->face_alist
;
4190 /* Return a hash code for Lisp string STRING with case ignored. Used
4191 below in computing a hash value for a Lisp face. */
4193 static INLINE
unsigned
4194 hash_string_case_insensitive (string
)
4197 const unsigned char *s
;
4199 xassert (STRINGP (string
));
4200 for (s
= SDATA (string
); *s
; ++s
)
4201 hash
= (hash
<< 1) ^ tolower (*s
);
4206 /* Return a hash code for face attribute vector V. */
4208 static INLINE
unsigned
4212 return (hash_string_case_insensitive (v
[LFACE_FAMILY_INDEX
])
4213 ^ hash_string_case_insensitive (v
[LFACE_FOREGROUND_INDEX
])
4214 ^ hash_string_case_insensitive (v
[LFACE_BACKGROUND_INDEX
])
4215 ^ XHASH (v
[LFACE_WEIGHT_INDEX
])
4216 ^ XHASH (v
[LFACE_SLANT_INDEX
])
4217 ^ XHASH (v
[LFACE_SWIDTH_INDEX
])
4218 ^ XHASH (v
[LFACE_HEIGHT_INDEX
]));
4222 /* Return non-zero if LFACE1 and LFACE2 specify the same font (without
4223 considering charsets/registries). They do if they specify the same
4224 family, point size, weight, width, slant, and font. Both
4225 LFACE1 and LFACE2 must be fully-specified. */
4228 lface_same_font_attributes_p (lface1
, lface2
)
4229 Lisp_Object
*lface1
, *lface2
;
4231 xassert (lface_fully_specified_p (lface1
)
4232 && lface_fully_specified_p (lface2
));
4233 return (xstricmp (SDATA (lface1
[LFACE_FAMILY_INDEX
]),
4234 SDATA (lface2
[LFACE_FAMILY_INDEX
])) == 0
4235 && EQ (lface1
[LFACE_HEIGHT_INDEX
], lface2
[LFACE_HEIGHT_INDEX
])
4236 && EQ (lface1
[LFACE_SWIDTH_INDEX
], lface2
[LFACE_SWIDTH_INDEX
])
4237 && EQ (lface1
[LFACE_WEIGHT_INDEX
], lface2
[LFACE_WEIGHT_INDEX
])
4238 && EQ (lface1
[LFACE_SLANT_INDEX
], lface2
[LFACE_SLANT_INDEX
])
4239 && EQ (lface1
[LFACE_FONT_INDEX
], lface2
[LFACE_FONT_INDEX
])
4240 && (EQ (lface1
[LFACE_FONTSET_INDEX
], lface2
[LFACE_FONTSET_INDEX
])
4241 || (STRINGP (lface1
[LFACE_FONTSET_INDEX
])
4242 && STRINGP (lface2
[LFACE_FONTSET_INDEX
])
4243 && ! xstricmp (SDATA (lface1
[LFACE_FONTSET_INDEX
]),
4244 SDATA (lface2
[LFACE_FONTSET_INDEX
]))))
4250 /***********************************************************************
4252 ***********************************************************************/
4254 /* Allocate and return a new realized face for Lisp face attribute
4257 static struct face
*
4258 make_realized_face (attr
)
4261 struct face
*face
= (struct face
*) xmalloc (sizeof *face
);
4262 bzero (face
, sizeof *face
);
4263 face
->ascii_face
= face
;
4264 bcopy (attr
, face
->lface
, sizeof face
->lface
);
4269 /* Free realized face FACE, including its X resources. FACE may
4273 free_realized_face (f
, face
)
4279 #ifdef HAVE_WINDOW_SYSTEM
4280 if (FRAME_WINDOW_P (f
))
4282 /* Free fontset of FACE if it is ASCII face. */
4283 if (face
->fontset
>= 0 && face
== face
->ascii_face
)
4284 free_face_fontset (f
, face
);
4289 font_done_for_face (f
, face
);
4290 x_free_gc (f
, face
->gc
);
4295 free_face_colors (f
, face
);
4296 x_destroy_bitmap (f
, face
->stipple
);
4298 #endif /* HAVE_WINDOW_SYSTEM */
4305 /* Prepare face FACE for subsequent display on frame F. This
4306 allocated GCs if they haven't been allocated yet or have been freed
4307 by clearing the face cache. */
4310 prepare_face_for_display (f
, face
)
4314 #ifdef HAVE_WINDOW_SYSTEM
4315 xassert (FRAME_WINDOW_P (f
));
4320 unsigned long mask
= GCForeground
| GCBackground
| GCGraphicsExposures
;
4322 xgcv
.foreground
= face
->foreground
;
4323 xgcv
.background
= face
->background
;
4324 #ifdef HAVE_X_WINDOWS
4325 xgcv
.graphics_exposures
= False
;
4329 #ifdef HAVE_X_WINDOWS
4332 xgcv
.fill_style
= FillOpaqueStippled
;
4333 xgcv
.stipple
= x_bitmap_pixmap (f
, face
->stipple
);
4334 mask
|= GCFillStyle
| GCStipple
;
4337 face
->gc
= x_create_gc (f
, mask
, &xgcv
);
4339 font_prepare_for_face (f
, face
);
4342 #endif /* HAVE_WINDOW_SYSTEM */
4346 /* Returns the `distance' between the colors X and Y. */
4349 color_distance (x
, y
)
4352 /* This formula is from a paper title `Colour metric' by Thiadmer Riemersma.
4353 Quoting from that paper:
4355 This formula has results that are very close to L*u*v* (with the
4356 modified lightness curve) and, more importantly, it is a more even
4357 algorithm: it does not have a range of colours where it suddenly
4358 gives far from optimal results.
4360 See <http://www.compuphase.com/cmetric.htm> for more info. */
4362 long r
= (x
->red
- y
->red
) >> 8;
4363 long g
= (x
->green
- y
->green
) >> 8;
4364 long b
= (x
->blue
- y
->blue
) >> 8;
4365 long r_mean
= (x
->red
+ y
->red
) >> 9;
4368 (((512 + r_mean
) * r
* r
) >> 8)
4370 + (((767 - r_mean
) * b
* b
) >> 8);
4374 DEFUN ("color-distance", Fcolor_distance
, Scolor_distance
, 2, 3, 0,
4375 doc
: /* Return an integer distance between COLOR1 and COLOR2 on FRAME.
4376 COLOR1 and COLOR2 may be either strings containing the color name,
4377 or lists of the form (RED GREEN BLUE).
4378 If FRAME is unspecified or nil, the current frame is used. */)
4379 (color1
, color2
, frame
)
4380 Lisp_Object color1
, color2
, frame
;
4383 XColor cdef1
, cdef2
;
4386 frame
= selected_frame
;
4387 CHECK_LIVE_FRAME (frame
);
4390 if (!(CONSP (color1
) && parse_rgb_list (color1
, &cdef1
))
4391 && !(STRINGP (color1
) && defined_color (f
, SDATA (color1
), &cdef1
, 0)))
4392 signal_error ("Invalid color", color1
);
4393 if (!(CONSP (color2
) && parse_rgb_list (color2
, &cdef2
))
4394 && !(STRINGP (color2
) && defined_color (f
, SDATA (color2
), &cdef2
, 0)))
4395 signal_error ("Invalid color", color2
);
4397 return make_number (color_distance (&cdef1
, &cdef2
));
4401 /***********************************************************************
4403 ***********************************************************************/
4405 /* Return a new face cache for frame F. */
4407 static struct face_cache
*
4411 struct face_cache
*c
;
4414 c
= (struct face_cache
*) xmalloc (sizeof *c
);
4415 bzero (c
, sizeof *c
);
4416 size
= FACE_CACHE_BUCKETS_SIZE
* sizeof *c
->buckets
;
4417 c
->buckets
= (struct face
**) xmalloc (size
);
4418 bzero (c
->buckets
, size
);
4420 c
->faces_by_id
= (struct face
**) xmalloc (c
->size
* sizeof *c
->faces_by_id
);
4422 c
->menu_face_changed_p
= menu_face_changed_default
;
4427 /* Clear out all graphics contexts for all realized faces, except for
4428 the basic faces. This should be done from time to time just to avoid
4429 keeping too many graphics contexts that are no longer needed. */
4433 struct face_cache
*c
;
4435 if (c
&& FRAME_WINDOW_P (c
->f
))
4437 #ifdef HAVE_WINDOW_SYSTEM
4439 for (i
= BASIC_FACE_ID_SENTINEL
; i
< c
->used
; ++i
)
4441 struct face
*face
= c
->faces_by_id
[i
];
4442 if (face
&& face
->gc
)
4446 font_done_for_face (c
->f
, face
);
4447 x_free_gc (c
->f
, face
->gc
);
4452 #endif /* HAVE_WINDOW_SYSTEM */
4457 /* Free all realized faces in face cache C, including basic faces.
4458 C may be null. If faces are freed, make sure the frame's current
4459 matrix is marked invalid, so that a display caused by an expose
4460 event doesn't try to use faces we destroyed. */
4463 free_realized_faces (c
)
4464 struct face_cache
*c
;
4469 struct frame
*f
= c
->f
;
4471 /* We must block input here because we can't process X events
4472 safely while only some faces are freed, or when the frame's
4473 current matrix still references freed faces. */
4476 for (i
= 0; i
< c
->used
; ++i
)
4478 free_realized_face (f
, c
->faces_by_id
[i
]);
4479 c
->faces_by_id
[i
] = NULL
;
4483 size
= FACE_CACHE_BUCKETS_SIZE
* sizeof *c
->buckets
;
4484 bzero (c
->buckets
, size
);
4486 /* Must do a thorough redisplay the next time. Mark current
4487 matrices as invalid because they will reference faces freed
4488 above. This function is also called when a frame is
4489 destroyed. In this case, the root window of F is nil. */
4490 if (WINDOWP (f
->root_window
))
4492 clear_current_matrices (f
);
4493 ++windows_or_buffers_changed
;
4501 /* Free all realized faces that are using FONTSET on frame F. */
4504 free_realized_faces_for_fontset (f
, fontset
)
4508 struct face_cache
*cache
= FRAME_FACE_CACHE (f
);
4512 /* We must block input here because we can't process X events safely
4513 while only some faces are freed, or when the frame's current
4514 matrix still references freed faces. */
4517 for (i
= 0; i
< cache
->used
; i
++)
4519 face
= cache
->faces_by_id
[i
];
4521 && face
->fontset
== fontset
)
4523 uncache_face (cache
, face
);
4524 free_realized_face (f
, face
);
4528 /* Must do a thorough redisplay the next time. Mark current
4529 matrices as invalid because they will reference faces freed
4530 above. This function is also called when a frame is destroyed.
4531 In this case, the root window of F is nil. */
4532 if (WINDOWP (f
->root_window
))
4534 clear_current_matrices (f
);
4535 ++windows_or_buffers_changed
;
4542 /* Free all realized faces on FRAME or on all frames if FRAME is nil.
4543 This is done after attributes of a named face have been changed,
4544 because we can't tell which realized faces depend on that face. */
4547 free_all_realized_faces (frame
)
4553 FOR_EACH_FRAME (rest
, frame
)
4554 free_realized_faces (FRAME_FACE_CACHE (XFRAME (frame
)));
4557 free_realized_faces (FRAME_FACE_CACHE (XFRAME (frame
)));
4561 /* Free face cache C and faces in it, including their X resources. */
4565 struct face_cache
*c
;
4569 free_realized_faces (c
);
4571 xfree (c
->faces_by_id
);
4577 /* Cache realized face FACE in face cache C. HASH is the hash value
4578 of FACE. If FACE is for ASCII characters (i.e. FACE->ascii_face ==
4579 FACE), insert the new face to the beginning of the collision list
4580 of the face hash table of C. Otherwise, add the new face to the
4581 end of the collision list. This way, lookup_face can quickly find
4582 that a requested face is not cached. */
4585 cache_face (c
, face
, hash
)
4586 struct face_cache
*c
;
4590 int i
= hash
% FACE_CACHE_BUCKETS_SIZE
;
4594 if (face
->ascii_face
!= face
)
4596 struct face
*last
= c
->buckets
[i
];
4607 c
->buckets
[i
] = face
;
4608 face
->prev
= face
->next
= NULL
;
4614 face
->next
= c
->buckets
[i
];
4616 face
->next
->prev
= face
;
4617 c
->buckets
[i
] = face
;
4620 /* Find a free slot in C->faces_by_id and use the index of the free
4621 slot as FACE->id. */
4622 for (i
= 0; i
< c
->used
; ++i
)
4623 if (c
->faces_by_id
[i
] == NULL
)
4627 /* Maybe enlarge C->faces_by_id. */
4630 if (c
->used
== c
->size
)
4633 new_size
= min (2 * c
->size
, MAX_FACE_ID
);
4634 if (new_size
== c
->size
)
4635 abort (); /* Alternatives? ++kfs */
4636 sz
= new_size
* sizeof *c
->faces_by_id
;
4637 c
->faces_by_id
= (struct face
**) xrealloc (c
->faces_by_id
, sz
);
4644 /* Check that FACE got a unique id. */
4649 for (j
= n
= 0; j
< FACE_CACHE_BUCKETS_SIZE
; ++j
)
4650 for (face
= c
->buckets
[j
]; face
; face
= face
->next
)
4656 #endif /* GLYPH_DEBUG */
4658 c
->faces_by_id
[i
] = face
;
4662 /* Remove face FACE from cache C. */
4665 uncache_face (c
, face
)
4666 struct face_cache
*c
;
4669 int i
= face
->hash
% FACE_CACHE_BUCKETS_SIZE
;
4672 face
->prev
->next
= face
->next
;
4674 c
->buckets
[i
] = face
->next
;
4677 face
->next
->prev
= face
->prev
;
4679 c
->faces_by_id
[face
->id
] = NULL
;
4680 if (face
->id
== c
->used
)
4685 /* Look up a realized face with face attributes ATTR in the face cache
4686 of frame F. The face will be used to display ASCII characters.
4687 Value is the ID of the face found. If no suitable face is found,
4688 realize a new one. */
4691 lookup_face (f
, attr
)
4695 struct face_cache
*cache
= FRAME_FACE_CACHE (f
);
4700 xassert (cache
!= NULL
);
4701 check_lface_attrs (attr
);
4703 /* Look up ATTR in the face cache. */
4704 hash
= lface_hash (attr
);
4705 i
= hash
% FACE_CACHE_BUCKETS_SIZE
;
4707 for (face
= cache
->buckets
[i
]; face
; face
= face
->next
)
4709 if (face
->ascii_face
!= face
)
4711 /* There's no more ASCII face. */
4715 if (face
->hash
== hash
4716 && lface_equal_p (face
->lface
, attr
))
4720 /* If not found, realize a new face. */
4722 face
= realize_face (cache
, attr
, -1);
4725 xassert (face
== FACE_FROM_ID (f
, face
->id
));
4726 #endif /* GLYPH_DEBUG */
4731 #ifdef HAVE_WINDOW_SYSTEM
4732 /* Look up a realized face that has the same attributes as BASE_FACE
4733 except for the font in the face cache of frame F. If FONT-OBJECT
4734 is not nil, it is an already opened font. If FONT-OBJECT is nil,
4735 the face has no font. Value is the ID of the face found. If no
4736 suitable face is found, realize a new one. */
4739 face_for_font (f
, font_object
, base_face
)
4741 Lisp_Object font_object
;
4742 struct face
*base_face
;
4744 struct face_cache
*cache
= FRAME_FACE_CACHE (f
);
4749 xassert (cache
!= NULL
);
4750 base_face
= base_face
->ascii_face
;
4751 hash
= lface_hash (base_face
->lface
);
4752 i
= hash
% FACE_CACHE_BUCKETS_SIZE
;
4754 for (face
= cache
->buckets
[i
]; face
; face
= face
->next
)
4756 if (face
->ascii_face
== face
)
4758 if (face
->ascii_face
== base_face
4759 && face
->font
== (NILP (font_object
) ? NULL
4760 : XFONT_OBJECT (font_object
))
4761 && lface_equal_p (face
->lface
, base_face
->lface
))
4765 /* If not found, realize a new face. */
4766 face
= realize_non_ascii_face (f
, font_object
, base_face
);
4769 #endif /* HAVE_WINDOW_SYSTEM */
4771 /* Return the face id of the realized face for named face SYMBOL on
4772 frame F suitable for displaying ASCII characters. Value is -1 if
4773 the face couldn't be determined, which might happen if the default
4774 face isn't realized and cannot be realized. */
4777 lookup_named_face (f
, symbol
, signal_p
)
4782 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
4783 Lisp_Object symbol_attrs
[LFACE_VECTOR_SIZE
];
4784 struct face
*default_face
= FACE_FROM_ID (f
, DEFAULT_FACE_ID
);
4786 if (default_face
== NULL
)
4788 if (!realize_basic_faces (f
))
4790 default_face
= FACE_FROM_ID (f
, DEFAULT_FACE_ID
);
4791 if (default_face
== NULL
)
4792 abort (); /* realize_basic_faces must have set it up */
4795 if (!get_lface_attributes (f
, symbol
, symbol_attrs
, signal_p
))
4798 bcopy (default_face
->lface
, attrs
, sizeof attrs
);
4799 merge_face_vectors (f
, symbol_attrs
, attrs
, 0);
4801 return lookup_face (f
, attrs
);
4805 /* Return the ID of the realized ASCII face of Lisp face with ID
4806 LFACE_ID on frame F. Value is -1 if LFACE_ID isn't valid. */
4809 ascii_face_of_lisp_face (f
, lface_id
)
4815 if (lface_id
>= 0 && lface_id
< lface_id_to_name_size
)
4817 Lisp_Object face_name
= lface_id_to_name
[lface_id
];
4818 face_id
= lookup_named_face (f
, face_name
, 1);
4827 /* Return a face for charset ASCII that is like the face with id
4828 FACE_ID on frame F, but has a font that is STEPS steps smaller.
4829 STEPS < 0 means larger. Value is the id of the face. */
4832 smaller_face (f
, face_id
, steps
)
4836 #ifdef HAVE_WINDOW_SYSTEM
4838 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
4839 int pt
, last_pt
, last_height
;
4842 struct face
*new_face
;
4844 /* If not called for an X frame, just return the original face. */
4845 if (FRAME_TERMCAP_P (f
))
4848 /* Try in increments of 1/2 pt. */
4849 delta
= steps
< 0 ? 5 : -5;
4850 steps
= eabs (steps
);
4852 face
= FACE_FROM_ID (f
, face_id
);
4853 bcopy (face
->lface
, attrs
, sizeof attrs
);
4854 pt
= last_pt
= XFASTINT (attrs
[LFACE_HEIGHT_INDEX
]);
4855 new_face_id
= face_id
;
4856 last_height
= FONT_HEIGHT (face
->font
);
4860 /* Give up if we cannot find a font within 10pt. */
4861 && eabs (last_pt
- pt
) < 100)
4863 /* Look up a face for a slightly smaller/larger font. */
4865 attrs
[LFACE_HEIGHT_INDEX
] = make_number (pt
);
4866 new_face_id
= lookup_face (f
, attrs
);
4867 new_face
= FACE_FROM_ID (f
, new_face_id
);
4869 /* If height changes, count that as one step. */
4870 if ((delta
< 0 && FONT_HEIGHT (new_face
->font
) < last_height
)
4871 || (delta
> 0 && FONT_HEIGHT (new_face
->font
) > last_height
))
4874 last_height
= FONT_HEIGHT (new_face
->font
);
4881 #else /* not HAVE_WINDOW_SYSTEM */
4885 #endif /* not HAVE_WINDOW_SYSTEM */
4889 /* Return a face for charset ASCII that is like the face with id
4890 FACE_ID on frame F, but has height HEIGHT. */
4893 face_with_height (f
, face_id
, height
)
4898 #ifdef HAVE_WINDOW_SYSTEM
4900 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
4902 if (FRAME_TERMCAP_P (f
)
4906 face
= FACE_FROM_ID (f
, face_id
);
4907 bcopy (face
->lface
, attrs
, sizeof attrs
);
4908 attrs
[LFACE_HEIGHT_INDEX
] = make_number (height
);
4909 face_id
= lookup_face (f
, attrs
);
4910 #endif /* HAVE_WINDOW_SYSTEM */
4916 /* Return the face id of the realized face for named face SYMBOL on
4917 frame F suitable for displaying ASCII characters, and use
4918 attributes of the face FACE_ID for attributes that aren't
4919 completely specified by SYMBOL. This is like lookup_named_face,
4920 except that the default attributes come from FACE_ID, not from the
4921 default face. FACE_ID is assumed to be already realized. */
4924 lookup_derived_face (f
, symbol
, face_id
, signal_p
)
4930 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
4931 Lisp_Object symbol_attrs
[LFACE_VECTOR_SIZE
];
4932 struct face
*default_face
= FACE_FROM_ID (f
, face_id
);
4937 get_lface_attributes (f
, symbol
, symbol_attrs
, signal_p
);
4938 bcopy (default_face
->lface
, attrs
, sizeof attrs
);
4939 merge_face_vectors (f
, symbol_attrs
, attrs
, 0);
4940 return lookup_face (f
, attrs
);
4943 DEFUN ("face-attributes-as-vector", Fface_attributes_as_vector
,
4944 Sface_attributes_as_vector
, 1, 1, 0,
4945 doc
: /* Return a vector of face attributes corresponding to PLIST. */)
4950 lface
= Fmake_vector (make_number (LFACE_VECTOR_SIZE
),
4952 merge_face_ref (XFRAME (selected_frame
), plist
, XVECTOR (lface
)->contents
,
4959 /***********************************************************************
4960 Face capability testing
4961 ***********************************************************************/
4964 /* If the distance (as returned by color_distance) between two colors is
4965 less than this, then they are considered the same, for determining
4966 whether a color is supported or not. The range of values is 0-65535. */
4968 #define TTY_SAME_COLOR_THRESHOLD 10000
4970 #ifdef HAVE_WINDOW_SYSTEM
4972 /* Return non-zero if all the face attributes in ATTRS are supported
4973 on the window-system frame F.
4975 The definition of `supported' is somewhat heuristic, but basically means
4976 that a face containing all the attributes in ATTRS, when merged with the
4977 default face for display, can be represented in a way that's
4979 \(1) different in appearance than the default face, and
4980 \(2) `close in spirit' to what the attributes specify, if not exact. */
4983 x_supports_face_attributes_p (f
, attrs
, def_face
)
4986 struct face
*def_face
;
4988 Lisp_Object
*def_attrs
= def_face
->lface
;
4990 /* Check that other specified attributes are different that the default
4992 if ((!UNSPECIFIEDP (attrs
[LFACE_UNDERLINE_INDEX
])
4993 && face_attr_equal_p (attrs
[LFACE_UNDERLINE_INDEX
],
4994 def_attrs
[LFACE_UNDERLINE_INDEX
]))
4995 || (!UNSPECIFIEDP (attrs
[LFACE_INVERSE_INDEX
])
4996 && face_attr_equal_p (attrs
[LFACE_INVERSE_INDEX
],
4997 def_attrs
[LFACE_INVERSE_INDEX
]))
4998 || (!UNSPECIFIEDP (attrs
[LFACE_FOREGROUND_INDEX
])
4999 && face_attr_equal_p (attrs
[LFACE_FOREGROUND_INDEX
],
5000 def_attrs
[LFACE_FOREGROUND_INDEX
]))
5001 || (!UNSPECIFIEDP (attrs
[LFACE_BACKGROUND_INDEX
])
5002 && face_attr_equal_p (attrs
[LFACE_BACKGROUND_INDEX
],
5003 def_attrs
[LFACE_BACKGROUND_INDEX
]))
5004 || (!UNSPECIFIEDP (attrs
[LFACE_STIPPLE_INDEX
])
5005 && face_attr_equal_p (attrs
[LFACE_STIPPLE_INDEX
],
5006 def_attrs
[LFACE_STIPPLE_INDEX
]))
5007 || (!UNSPECIFIEDP (attrs
[LFACE_OVERLINE_INDEX
])
5008 && face_attr_equal_p (attrs
[LFACE_OVERLINE_INDEX
],
5009 def_attrs
[LFACE_OVERLINE_INDEX
]))
5010 || (!UNSPECIFIEDP (attrs
[LFACE_STRIKE_THROUGH_INDEX
])
5011 && face_attr_equal_p (attrs
[LFACE_STRIKE_THROUGH_INDEX
],
5012 def_attrs
[LFACE_STRIKE_THROUGH_INDEX
]))
5013 || (!UNSPECIFIEDP (attrs
[LFACE_BOX_INDEX
])
5014 && face_attr_equal_p (attrs
[LFACE_BOX_INDEX
],
5015 def_attrs
[LFACE_BOX_INDEX
])))
5018 /* Check font-related attributes, as those are the most commonly
5019 "unsupported" on a window-system (because of missing fonts). */
5020 if (!UNSPECIFIEDP (attrs
[LFACE_FAMILY_INDEX
])
5021 || !UNSPECIFIEDP (attrs
[LFACE_HEIGHT_INDEX
])
5022 || !UNSPECIFIEDP (attrs
[LFACE_WEIGHT_INDEX
])
5023 || !UNSPECIFIEDP (attrs
[LFACE_SLANT_INDEX
])
5024 || !UNSPECIFIEDP (attrs
[LFACE_SWIDTH_INDEX
]))
5028 Lisp_Object merged_attrs
[LFACE_VECTOR_SIZE
];
5031 bcopy (def_attrs
, merged_attrs
, sizeof merged_attrs
);
5033 merge_face_vectors (f
, attrs
, merged_attrs
, 0);
5035 face_id
= lookup_face (f
, merged_attrs
);
5036 face
= FACE_FROM_ID (f
, face_id
);
5039 error ("Cannot make face");
5041 /* If the font is the same, then not supported. */
5042 if (face
->font
== def_face
->font
)
5044 for (i
= FONT_TYPE_INDEX
; i
<= FONT_SIZE_INDEX
; i
++)
5045 if (! EQ (face
->font
->props
[i
], def_face
->font
->props
[i
]))
5049 if (i
< FONT_FOUNDRY_INDEX
|| i
> FONT_REGISTRY_INDEX
5050 || face
->font
->driver
->case_sensitive
)
5052 s1
= SYMBOL_NAME (face
->font
->props
[i
]);
5053 s2
= SYMBOL_NAME (def_face
->font
->props
[i
]);
5054 if (! EQ (Fcompare_strings (s1
, make_number (0), Qnil
,
5055 s2
, make_number (0), Qnil
, Qt
), Qt
))
5061 /* Everything checks out, this face is supported. */
5065 #endif /* HAVE_WINDOW_SYSTEM */
5067 /* Return non-zero if all the face attributes in ATTRS are supported
5070 The definition of `supported' is somewhat heuristic, but basically means
5071 that a face containing all the attributes in ATTRS, when merged
5072 with the default face for display, can be represented in a way that's
5074 \(1) different in appearance than the default face, and
5075 \(2) `close in spirit' to what the attributes specify, if not exact.
5077 Point (2) implies that a `:weight black' attribute will be satisfied
5078 by any terminal that can display bold, and a `:foreground "yellow"' as
5079 long as the terminal can display a yellowish color, but `:slant italic'
5080 will _not_ be satisfied by the tty display code's automatic
5081 substitution of a `dim' face for italic. */
5084 tty_supports_face_attributes_p (f
, attrs
, def_face
)
5087 struct face
*def_face
;
5090 Lisp_Object val
, fg
, bg
;
5091 XColor fg_tty_color
, fg_std_color
;
5092 XColor bg_tty_color
, bg_std_color
;
5093 unsigned test_caps
= 0;
5094 Lisp_Object
*def_attrs
= def_face
->lface
;
5097 /* First check some easy-to-check stuff; ttys support none of the
5098 following attributes, so we can just return false if any are requested
5099 (even if `nominal' values are specified, we should still return false,
5100 as that will be the same value that the default face uses). We
5101 consider :slant unsupportable on ttys, even though the face code
5102 actually `fakes' them using a dim attribute if possible. This is
5103 because the faked result is too different from what the face
5105 if (!UNSPECIFIEDP (attrs
[LFACE_FAMILY_INDEX
])
5106 || !UNSPECIFIEDP (attrs
[LFACE_STIPPLE_INDEX
])
5107 || !UNSPECIFIEDP (attrs
[LFACE_HEIGHT_INDEX
])
5108 || !UNSPECIFIEDP (attrs
[LFACE_SWIDTH_INDEX
])
5109 || !UNSPECIFIEDP (attrs
[LFACE_OVERLINE_INDEX
])
5110 || !UNSPECIFIEDP (attrs
[LFACE_STRIKE_THROUGH_INDEX
])
5111 || !UNSPECIFIEDP (attrs
[LFACE_BOX_INDEX
])
5112 || !UNSPECIFIEDP (attrs
[LFACE_SLANT_INDEX
]))
5116 /* Test for terminal `capabilities' (non-color character attributes). */
5118 /* font weight (bold/dim) */
5119 weight
= FONT_WEIGHT_NAME_NUMERIC (attrs
[LFACE_WEIGHT_INDEX
]);
5122 int def_weight
= FONT_WEIGHT_NAME_NUMERIC (def_attrs
[LFACE_WEIGHT_INDEX
]);
5126 if (def_weight
> 100)
5127 return 0; /* same as default */
5128 test_caps
= TTY_CAP_BOLD
;
5130 else if (weight
< 100)
5132 if (def_weight
< 100)
5133 return 0; /* same as default */
5134 test_caps
= TTY_CAP_DIM
;
5136 else if (def_weight
== 100)
5137 return 0; /* same as default */
5141 val
= attrs
[LFACE_UNDERLINE_INDEX
];
5142 if (!UNSPECIFIEDP (val
))
5145 return 0; /* ttys can't use colored underlines */
5146 else if (face_attr_equal_p (val
, def_attrs
[LFACE_UNDERLINE_INDEX
]))
5147 return 0; /* same as default */
5149 test_caps
|= TTY_CAP_UNDERLINE
;
5153 val
= attrs
[LFACE_INVERSE_INDEX
];
5154 if (!UNSPECIFIEDP (val
))
5156 if (face_attr_equal_p (val
, def_attrs
[LFACE_INVERSE_INDEX
]))
5157 return 0; /* same as default */
5159 test_caps
|= TTY_CAP_INVERSE
;
5163 /* Color testing. */
5165 /* Default the color indices in FG_TTY_COLOR and BG_TTY_COLOR, since
5166 we use them when calling `tty_capable_p' below, even if the face
5167 specifies no colors. */
5168 fg_tty_color
.pixel
= FACE_TTY_DEFAULT_FG_COLOR
;
5169 bg_tty_color
.pixel
= FACE_TTY_DEFAULT_BG_COLOR
;
5171 /* Check if foreground color is close enough. */
5172 fg
= attrs
[LFACE_FOREGROUND_INDEX
];
5175 Lisp_Object def_fg
= def_attrs
[LFACE_FOREGROUND_INDEX
];
5177 if (face_attr_equal_p (fg
, def_fg
))
5178 return 0; /* same as default */
5179 else if (! tty_lookup_color (f
, fg
, &fg_tty_color
, &fg_std_color
))
5180 return 0; /* not a valid color */
5181 else if (color_distance (&fg_tty_color
, &fg_std_color
)
5182 > TTY_SAME_COLOR_THRESHOLD
)
5183 return 0; /* displayed color is too different */
5185 /* Make sure the color is really different than the default. */
5187 XColor def_fg_color
;
5188 if (tty_lookup_color (f
, def_fg
, &def_fg_color
, 0)
5189 && (color_distance (&fg_tty_color
, &def_fg_color
)
5190 <= TTY_SAME_COLOR_THRESHOLD
))
5195 /* Check if background color is close enough. */
5196 bg
= attrs
[LFACE_BACKGROUND_INDEX
];
5199 Lisp_Object def_bg
= def_attrs
[LFACE_BACKGROUND_INDEX
];
5201 if (face_attr_equal_p (bg
, def_bg
))
5202 return 0; /* same as default */
5203 else if (! tty_lookup_color (f
, bg
, &bg_tty_color
, &bg_std_color
))
5204 return 0; /* not a valid color */
5205 else if (color_distance (&bg_tty_color
, &bg_std_color
)
5206 > TTY_SAME_COLOR_THRESHOLD
)
5207 return 0; /* displayed color is too different */
5209 /* Make sure the color is really different than the default. */
5211 XColor def_bg_color
;
5212 if (tty_lookup_color (f
, def_bg
, &def_bg_color
, 0)
5213 && (color_distance (&bg_tty_color
, &def_bg_color
)
5214 <= TTY_SAME_COLOR_THRESHOLD
))
5219 /* If both foreground and background are requested, see if the
5220 distance between them is OK. We just check to see if the distance
5221 between the tty's foreground and background is close enough to the
5222 distance between the standard foreground and background. */
5223 if (STRINGP (fg
) && STRINGP (bg
))
5226 = (color_distance (&fg_std_color
, &bg_std_color
)
5227 - color_distance (&fg_tty_color
, &bg_tty_color
));
5228 if (delta_delta
> TTY_SAME_COLOR_THRESHOLD
5229 || delta_delta
< -TTY_SAME_COLOR_THRESHOLD
)
5234 /* See if the capabilities we selected above are supported, with the
5236 if (test_caps
!= 0 &&
5237 ! tty_capable_p (FRAME_TTY (f
), test_caps
, fg_tty_color
.pixel
, bg_tty_color
.pixel
))
5241 /* Hmmm, everything checks out, this terminal must support this face. */
5246 DEFUN ("display-supports-face-attributes-p",
5247 Fdisplay_supports_face_attributes_p
, Sdisplay_supports_face_attributes_p
,
5249 doc
: /* Return non-nil if all the face attributes in ATTRIBUTES are supported.
5250 The optional argument DISPLAY can be a display name, a frame, or
5251 nil (meaning the selected frame's display).
5253 The definition of `supported' is somewhat heuristic, but basically means
5254 that a face containing all the attributes in ATTRIBUTES, when merged
5255 with the default face for display, can be represented in a way that's
5257 \(1) different in appearance than the default face, and
5258 \(2) `close in spirit' to what the attributes specify, if not exact.
5260 Point (2) implies that a `:weight black' attribute will be satisfied by
5261 any display that can display bold, and a `:foreground \"yellow\"' as long
5262 as it can display a yellowish color, but `:slant italic' will _not_ be
5263 satisfied by the tty display code's automatic substitution of a `dim'
5264 face for italic. */)
5265 (attributes
, display
)
5266 Lisp_Object attributes
, display
;
5268 int supports
= 0, i
;
5271 struct face
*def_face
;
5272 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
5274 if (noninteractive
|| !initialized
)
5275 /* We may not be able to access low-level face information in batch
5276 mode, or before being dumped, and this function is not going to
5277 be very useful in those cases anyway, so just give up. */
5281 frame
= selected_frame
;
5282 else if (FRAMEP (display
))
5286 /* Find any frame on DISPLAY. */
5287 Lisp_Object fl_tail
;
5290 for (fl_tail
= Vframe_list
; CONSP (fl_tail
); fl_tail
= XCDR (fl_tail
))
5292 frame
= XCAR (fl_tail
);
5293 if (!NILP (Fequal (Fcdr (Fassq (Qdisplay
,
5294 XFRAME (frame
)->param_alist
)),
5300 CHECK_LIVE_FRAME (frame
);
5303 for (i
= 0; i
< LFACE_VECTOR_SIZE
; i
++)
5304 attrs
[i
] = Qunspecified
;
5305 merge_face_ref (f
, attributes
, attrs
, 1, 0);
5307 def_face
= FACE_FROM_ID (f
, DEFAULT_FACE_ID
);
5308 if (def_face
== NULL
)
5310 if (! realize_basic_faces (f
))
5311 error ("Cannot realize default face");
5312 def_face
= FACE_FROM_ID (f
, DEFAULT_FACE_ID
);
5313 if (def_face
== NULL
)
5314 abort (); /* realize_basic_faces must have set it up */
5317 /* Dispatch to the appropriate handler. */
5318 if (FRAME_TERMCAP_P (f
) || FRAME_MSDOS_P (f
))
5319 supports
= tty_supports_face_attributes_p (f
, attrs
, def_face
);
5320 #ifdef HAVE_WINDOW_SYSTEM
5322 supports
= x_supports_face_attributes_p (f
, attrs
, def_face
);
5325 return supports
? Qt
: Qnil
;
5329 /***********************************************************************
5331 ***********************************************************************/
5333 DEFUN ("internal-set-font-selection-order",
5334 Finternal_set_font_selection_order
,
5335 Sinternal_set_font_selection_order
, 1, 1, 0,
5336 doc
: /* Set font selection order for face font selection to ORDER.
5337 ORDER must be a list of length 4 containing the symbols `:width',
5338 `:height', `:weight', and `:slant'. Face attributes appearing
5339 first in ORDER are matched first, e.g. if `:height' appears before
5340 `:weight' in ORDER, font selection first tries to find a font with
5341 a suitable height, and then tries to match the font weight.
5348 int indices
[DIM (font_sort_order
)];
5351 bzero (indices
, sizeof indices
);
5355 CONSP (list
) && i
< DIM (indices
);
5356 list
= XCDR (list
), ++i
)
5358 Lisp_Object attr
= XCAR (list
);
5361 if (EQ (attr
, QCwidth
))
5363 else if (EQ (attr
, QCheight
))
5364 xlfd
= XLFD_POINT_SIZE
;
5365 else if (EQ (attr
, QCweight
))
5367 else if (EQ (attr
, QCslant
))
5372 if (indices
[i
] != 0)
5377 if (!NILP (list
) || i
!= DIM (indices
))
5378 signal_error ("Invalid font sort order", order
);
5379 for (i
= 0; i
< DIM (font_sort_order
); ++i
)
5380 if (indices
[i
] == 0)
5381 signal_error ("Invalid font sort order", order
);
5383 if (bcmp (indices
, font_sort_order
, sizeof indices
) != 0)
5385 bcopy (indices
, font_sort_order
, sizeof font_sort_order
);
5386 free_all_realized_faces (Qnil
);
5389 font_update_sort_order (font_sort_order
);
5395 DEFUN ("internal-set-alternative-font-family-alist",
5396 Finternal_set_alternative_font_family_alist
,
5397 Sinternal_set_alternative_font_family_alist
, 1, 1, 0,
5398 doc
: /* Define alternative font families to try in face font selection.
5399 ALIST is an alist of (FAMILY ALTERNATIVE1 ALTERNATIVE2 ...) entries.
5400 Each ALTERNATIVE is tried in order if no fonts of font family FAMILY can
5401 be found. Value is ALIST. */)
5406 Vface_alternative_font_family_alist
= alist
;
5407 free_all_realized_faces (Qnil
);
5412 DEFUN ("internal-set-alternative-font-registry-alist",
5413 Finternal_set_alternative_font_registry_alist
,
5414 Sinternal_set_alternative_font_registry_alist
, 1, 1, 0,
5415 doc
: /* Define alternative font registries to try in face font selection.
5416 ALIST is an alist of (REGISTRY ALTERNATIVE1 ALTERNATIVE2 ...) entries.
5417 Each ALTERNATIVE is tried in order if no fonts of font registry REGISTRY can
5418 be found. Value is ALIST. */)
5423 Vface_alternative_font_registry_alist
= alist
;
5424 free_all_realized_faces (Qnil
);
5429 #ifdef HAVE_WINDOW_SYSTEM
5431 /* Ignore the difference of font point size less than this value. */
5433 #define FONT_POINT_SIZE_QUANTUM 5
5435 /* Return the fontset id of the base fontset name or alias name given
5436 by the fontset attribute of ATTRS. Value is -1 if the fontset
5437 attribute of ATTRS doesn't name a fontset. */
5440 face_fontset (attrs
)
5445 name
= attrs
[LFACE_FONTSET_INDEX
];
5446 if (!STRINGP (name
))
5448 return fs_query_fontset (name
, 0);
5451 #endif /* HAVE_WINDOW_SYSTEM */
5455 /***********************************************************************
5457 ***********************************************************************/
5459 /* Realize basic faces on frame F. Value is zero if frame parameters
5460 of F don't contain enough information needed to realize the default
5464 realize_basic_faces (f
)
5468 int count
= SPECPDL_INDEX ();
5470 /* Block input here so that we won't be surprised by an X expose
5471 event, for instance, without having the faces set up. */
5473 specbind (Qscalable_fonts_allowed
, Qt
);
5475 if (realize_default_face (f
))
5477 realize_named_face (f
, Qmode_line
, MODE_LINE_FACE_ID
);
5478 realize_named_face (f
, Qmode_line_inactive
, MODE_LINE_INACTIVE_FACE_ID
);
5479 realize_named_face (f
, Qtool_bar
, TOOL_BAR_FACE_ID
);
5480 realize_named_face (f
, Qfringe
, FRINGE_FACE_ID
);
5481 realize_named_face (f
, Qheader_line
, HEADER_LINE_FACE_ID
);
5482 realize_named_face (f
, Qscroll_bar
, SCROLL_BAR_FACE_ID
);
5483 realize_named_face (f
, Qborder
, BORDER_FACE_ID
);
5484 realize_named_face (f
, Qcursor
, CURSOR_FACE_ID
);
5485 realize_named_face (f
, Qmouse
, MOUSE_FACE_ID
);
5486 realize_named_face (f
, Qmenu
, MENU_FACE_ID
);
5487 realize_named_face (f
, Qvertical_border
, VERTICAL_BORDER_FACE_ID
);
5489 /* Reflect changes in the `menu' face in menu bars. */
5490 if (FRAME_FACE_CACHE (f
)->menu_face_changed_p
)
5492 FRAME_FACE_CACHE (f
)->menu_face_changed_p
= 0;
5493 #ifdef USE_X_TOOLKIT
5494 if (FRAME_WINDOW_P (f
))
5495 x_update_menu_appearance (f
);
5502 unbind_to (count
, Qnil
);
5508 /* Realize the default face on frame F. If the face is not fully
5509 specified, make it fully-specified. Attributes of the default face
5510 that are not explicitly specified are taken from frame parameters. */
5513 realize_default_face (f
)
5516 struct face_cache
*c
= FRAME_FACE_CACHE (f
);
5518 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
5521 /* If the `default' face is not yet known, create it. */
5522 lface
= lface_from_face_name (f
, Qdefault
, 0);
5526 XSETFRAME (frame
, f
);
5527 lface
= Finternal_make_lisp_face (Qdefault
, frame
);
5530 #ifdef HAVE_WINDOW_SYSTEM
5531 if (FRAME_WINDOW_P (f
))
5533 Lisp_Object font_object
;
5535 XSETFONT (font_object
, FRAME_FONT (f
));
5536 set_lface_from_font (f
, lface
, font_object
, f
->default_face_done_p
);
5537 LFACE_FONTSET (lface
) = fontset_name (FRAME_FONTSET (f
));
5538 f
->default_face_done_p
= 1;
5540 #endif /* HAVE_WINDOW_SYSTEM */
5542 if (!FRAME_WINDOW_P (f
))
5544 LFACE_FAMILY (lface
) = build_string ("default");
5545 LFACE_SWIDTH (lface
) = Qnormal
;
5546 LFACE_HEIGHT (lface
) = make_number (1);
5547 if (UNSPECIFIEDP (LFACE_WEIGHT (lface
)))
5548 LFACE_WEIGHT (lface
) = Qnormal
;
5549 if (UNSPECIFIEDP (LFACE_SLANT (lface
)))
5550 LFACE_SLANT (lface
) = Qnormal
;
5553 if (UNSPECIFIEDP (LFACE_UNDERLINE (lface
)))
5554 LFACE_UNDERLINE (lface
) = Qnil
;
5556 if (UNSPECIFIEDP (LFACE_OVERLINE (lface
)))
5557 LFACE_OVERLINE (lface
) = Qnil
;
5559 if (UNSPECIFIEDP (LFACE_STRIKE_THROUGH (lface
)))
5560 LFACE_STRIKE_THROUGH (lface
) = Qnil
;
5562 if (UNSPECIFIEDP (LFACE_BOX (lface
)))
5563 LFACE_BOX (lface
) = Qnil
;
5565 if (UNSPECIFIEDP (LFACE_INVERSE (lface
)))
5566 LFACE_INVERSE (lface
) = Qnil
;
5568 if (UNSPECIFIEDP (LFACE_FOREGROUND (lface
)))
5570 /* This function is called so early that colors are not yet
5571 set in the frame parameter list. */
5572 Lisp_Object color
= Fassq (Qforeground_color
, f
->param_alist
);
5574 if (CONSP (color
) && STRINGP (XCDR (color
)))
5575 LFACE_FOREGROUND (lface
) = XCDR (color
);
5576 else if (FRAME_WINDOW_P (f
))
5578 else if (FRAME_INITIAL_P (f
) || FRAME_TERMCAP_P (f
) || FRAME_MSDOS_P (f
))
5579 LFACE_FOREGROUND (lface
) = build_string (unspecified_fg
);
5584 if (UNSPECIFIEDP (LFACE_BACKGROUND (lface
)))
5586 /* This function is called so early that colors are not yet
5587 set in the frame parameter list. */
5588 Lisp_Object color
= Fassq (Qbackground_color
, f
->param_alist
);
5589 if (CONSP (color
) && STRINGP (XCDR (color
)))
5590 LFACE_BACKGROUND (lface
) = XCDR (color
);
5591 else if (FRAME_WINDOW_P (f
))
5593 else if (FRAME_INITIAL_P (f
) || FRAME_TERMCAP_P (f
) || FRAME_MSDOS_P (f
))
5594 LFACE_BACKGROUND (lface
) = build_string (unspecified_bg
);
5599 if (UNSPECIFIEDP (LFACE_STIPPLE (lface
)))
5600 LFACE_STIPPLE (lface
) = Qnil
;
5602 /* Realize the face; it must be fully-specified now. */
5603 xassert (lface_fully_specified_p (XVECTOR (lface
)->contents
));
5604 check_lface (lface
);
5605 bcopy (XVECTOR (lface
)->contents
, attrs
, sizeof attrs
);
5606 face
= realize_face (c
, attrs
, DEFAULT_FACE_ID
);
5608 #ifdef HAVE_WINDOW_SYSTEM
5609 #ifdef HAVE_X_WINDOWS
5610 if (FRAME_X_P (f
) && face
->font
!= FRAME_FONT (f
))
5612 /* This can happen when making a frame on a display that does
5613 not support the default font. */
5617 /* Otherwise, the font specified for the frame was not
5618 acceptable as a font for the default face (perhaps because
5619 auto-scaled fonts are rejected), so we must adjust the frame
5621 x_set_font (f
, LFACE_FONT (lface
), Qnil
);
5623 #endif /* HAVE_X_WINDOWS */
5624 #endif /* HAVE_WINDOW_SYSTEM */
5629 /* Realize basic faces other than the default face in face cache C.
5630 SYMBOL is the face name, ID is the face id the realized face must
5631 have. The default face must have been realized already. */
5634 realize_named_face (f
, symbol
, id
)
5639 struct face_cache
*c
= FRAME_FACE_CACHE (f
);
5640 Lisp_Object lface
= lface_from_face_name (f
, symbol
, 0);
5641 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
5642 Lisp_Object symbol_attrs
[LFACE_VECTOR_SIZE
];
5643 struct face
*new_face
;
5645 /* The default face must exist and be fully specified. */
5646 get_lface_attributes (f
, Qdefault
, attrs
, 1);
5647 check_lface_attrs (attrs
);
5648 xassert (lface_fully_specified_p (attrs
));
5650 /* If SYMBOL isn't know as a face, create it. */
5654 XSETFRAME (frame
, f
);
5655 lface
= Finternal_make_lisp_face (symbol
, frame
);
5658 /* Merge SYMBOL's face with the default face. */
5659 get_lface_attributes (f
, symbol
, symbol_attrs
, 1);
5660 merge_face_vectors (f
, symbol_attrs
, attrs
, 0);
5662 /* Realize the face. */
5663 new_face
= realize_face (c
, attrs
, id
);
5667 /* Realize the fully-specified face with attributes ATTRS in face
5668 cache CACHE for ASCII characters. If FORMER_FACE_ID is
5669 non-negative, it is an ID of face to remove before caching the new
5670 face. Value is a pointer to the newly created realized face. */
5672 static struct face
*
5673 realize_face (cache
, attrs
, former_face_id
)
5674 struct face_cache
*cache
;
5680 /* LFACE must be fully specified. */
5681 xassert (cache
!= NULL
);
5682 check_lface_attrs (attrs
);
5684 if (former_face_id
>= 0 && cache
->used
> former_face_id
)
5686 /* Remove the former face. */
5687 struct face
*former_face
= cache
->faces_by_id
[former_face_id
];
5688 uncache_face (cache
, former_face
);
5689 free_realized_face (cache
->f
, former_face
);
5692 if (FRAME_WINDOW_P (cache
->f
))
5693 face
= realize_x_face (cache
, attrs
);
5694 else if (FRAME_TERMCAP_P (cache
->f
) || FRAME_MSDOS_P (cache
->f
))
5695 face
= realize_tty_face (cache
, attrs
);
5696 else if (FRAME_INITIAL_P (cache
->f
))
5698 /* Create a dummy face. */
5699 face
= make_realized_face (attrs
);
5704 /* Insert the new face. */
5705 cache_face (cache
, face
, lface_hash (attrs
));
5710 #ifdef HAVE_WINDOW_SYSTEM
5711 /* Realize the fully-specified face that uses FONT-OBJECT and has the
5712 same attributes as BASE_FACE except for the font on frame F.
5713 FONT-OBJECT may be nil, in which case, realized a face of
5716 static struct face
*
5717 realize_non_ascii_face (f
, font_object
, base_face
)
5719 Lisp_Object font_object
;
5720 struct face
*base_face
;
5722 struct face_cache
*cache
= FRAME_FACE_CACHE (f
);
5725 face
= (struct face
*) xmalloc (sizeof *face
);
5730 = (! NILP (font_object
)
5731 && FONT_WEIGHT_NAME_NUMERIC (face
->lface
[LFACE_WEIGHT_INDEX
]) > 100
5732 && FONT_WEIGHT_NUMERIC (font_object
) <= 100);
5734 /* Don't try to free the colors copied bitwise from BASE_FACE. */
5735 face
->colors_copied_bitwise_p
= 1;
5736 face
->font
= NILP (font_object
) ? NULL
: XFONT_OBJECT (font_object
);
5739 cache_face (cache
, face
, face
->hash
);
5743 #endif /* HAVE_WINDOW_SYSTEM */
5746 /* Realize the fully-specified face with attributes ATTRS in face
5747 cache CACHE for ASCII characters. Do it for X frame CACHE->f. If
5748 the new face doesn't share font with the default face, a fontname
5749 is allocated from the heap and set in `font_name' of the new face,
5750 but it is not yet loaded here. Value is a pointer to the newly
5751 created realized face. */
5753 static struct face
*
5754 realize_x_face (cache
, attrs
)
5755 struct face_cache
*cache
;
5758 struct face
*face
= NULL
;
5759 #ifdef HAVE_WINDOW_SYSTEM
5760 struct face
*default_face
;
5762 Lisp_Object stipple
, overline
, strike_through
, box
;
5764 xassert (FRAME_WINDOW_P (cache
->f
));
5766 /* Allocate a new realized face. */
5767 face
= make_realized_face (attrs
);
5768 face
->ascii_face
= face
;
5772 /* Determine the font to use. Most of the time, the font will be
5773 the same as the font of the default face, so try that first. */
5774 default_face
= FACE_FROM_ID (f
, DEFAULT_FACE_ID
);
5776 && lface_same_font_attributes_p (default_face
->lface
, attrs
))
5778 face
->font
= default_face
->font
;
5779 face
->fontset
= make_fontset_for_ascii_face (f
, -1, face
);
5783 /* If the face attribute ATTRS specifies a fontset, use it as
5784 the base of a new realized fontset. Otherwise, use the same
5785 base fontset as of the default face. The base determines
5786 registry and encoding of a font. It may also determine
5787 foundry and family. The other fields of font name pattern
5788 are constructed from ATTRS. */
5789 int fontset
= face_fontset (attrs
);
5791 /* If we are realizing the default face, ATTRS should specify a
5792 fontset. In other words, if FONTSET is -1, we are not
5793 realizing the default face, thus the default face should have
5794 already been realized. */
5796 fontset
= default_face
->fontset
;
5799 if (! FONT_OBJECT_P (attrs
[LFACE_FONT_INDEX
]))
5800 attrs
[LFACE_FONT_INDEX
]
5801 = font_load_for_lface (f
, attrs
, attrs
[LFACE_FONT_INDEX
]);
5802 if (FONT_OBJECT_P (attrs
[LFACE_FONT_INDEX
]))
5804 face
->font
= XFONT_OBJECT (attrs
[LFACE_FONT_INDEX
]);
5805 face
->fontset
= make_fontset_for_ascii_face (f
, fontset
, face
);
5815 && FONT_WEIGHT_NAME_NUMERIC (attrs
[LFACE_WEIGHT_INDEX
]) > 100
5816 && FONT_WEIGHT_NUMERIC (attrs
[LFACE_FONT_INDEX
]) <= 100)
5817 face
->overstrike
= 1;
5819 /* Load colors, and set remaining attributes. */
5821 load_face_colors (f
, face
, attrs
);
5824 box
= attrs
[LFACE_BOX_INDEX
];
5827 /* A simple box of line width 1 drawn in color given by
5829 face
->box_color
= load_color (f
, face
, attrs
[LFACE_BOX_INDEX
],
5831 face
->box
= FACE_SIMPLE_BOX
;
5832 face
->box_line_width
= 1;
5834 else if (INTEGERP (box
))
5836 /* Simple box of specified line width in foreground color of the
5838 xassert (XINT (box
) != 0);
5839 face
->box
= FACE_SIMPLE_BOX
;
5840 face
->box_line_width
= XINT (box
);
5841 face
->box_color
= face
->foreground
;
5842 face
->box_color_defaulted_p
= 1;
5844 else if (CONSP (box
))
5846 /* `(:width WIDTH :color COLOR :shadow SHADOW)'. SHADOW
5847 being one of `raised' or `sunken'. */
5848 face
->box
= FACE_SIMPLE_BOX
;
5849 face
->box_color
= face
->foreground
;
5850 face
->box_color_defaulted_p
= 1;
5851 face
->box_line_width
= 1;
5855 Lisp_Object keyword
, value
;
5857 keyword
= XCAR (box
);
5865 if (EQ (keyword
, QCline_width
))
5867 if (INTEGERP (value
) && XINT (value
) != 0)
5868 face
->box_line_width
= XINT (value
);
5870 else if (EQ (keyword
, QCcolor
))
5872 if (STRINGP (value
))
5874 face
->box_color
= load_color (f
, face
, value
,
5876 face
->use_box_color_for_shadows_p
= 1;
5879 else if (EQ (keyword
, QCstyle
))
5881 if (EQ (value
, Qreleased_button
))
5882 face
->box
= FACE_RAISED_BOX
;
5883 else if (EQ (value
, Qpressed_button
))
5884 face
->box
= FACE_SUNKEN_BOX
;
5889 /* Text underline, overline, strike-through. */
5891 if (EQ (attrs
[LFACE_UNDERLINE_INDEX
], Qt
))
5893 /* Use default color (same as foreground color). */
5894 face
->underline_p
= 1;
5895 face
->underline_defaulted_p
= 1;
5896 face
->underline_color
= 0;
5898 else if (STRINGP (attrs
[LFACE_UNDERLINE_INDEX
]))
5900 /* Use specified color. */
5901 face
->underline_p
= 1;
5902 face
->underline_defaulted_p
= 0;
5903 face
->underline_color
5904 = load_color (f
, face
, attrs
[LFACE_UNDERLINE_INDEX
],
5905 LFACE_UNDERLINE_INDEX
);
5907 else if (NILP (attrs
[LFACE_UNDERLINE_INDEX
]))
5909 face
->underline_p
= 0;
5910 face
->underline_defaulted_p
= 0;
5911 face
->underline_color
= 0;
5914 overline
= attrs
[LFACE_OVERLINE_INDEX
];
5915 if (STRINGP (overline
))
5917 face
->overline_color
5918 = load_color (f
, face
, attrs
[LFACE_OVERLINE_INDEX
],
5919 LFACE_OVERLINE_INDEX
);
5920 face
->overline_p
= 1;
5922 else if (EQ (overline
, Qt
))
5924 face
->overline_color
= face
->foreground
;
5925 face
->overline_color_defaulted_p
= 1;
5926 face
->overline_p
= 1;
5929 strike_through
= attrs
[LFACE_STRIKE_THROUGH_INDEX
];
5930 if (STRINGP (strike_through
))
5932 face
->strike_through_color
5933 = load_color (f
, face
, attrs
[LFACE_STRIKE_THROUGH_INDEX
],
5934 LFACE_STRIKE_THROUGH_INDEX
);
5935 face
->strike_through_p
= 1;
5937 else if (EQ (strike_through
, Qt
))
5939 face
->strike_through_color
= face
->foreground
;
5940 face
->strike_through_color_defaulted_p
= 1;
5941 face
->strike_through_p
= 1;
5944 stipple
= attrs
[LFACE_STIPPLE_INDEX
];
5945 if (!NILP (stipple
))
5946 face
->stipple
= load_pixmap (f
, stipple
, &face
->pixmap_w
, &face
->pixmap_h
);
5947 #endif /* HAVE_WINDOW_SYSTEM */
5953 /* Map a specified color of face FACE on frame F to a tty color index.
5954 IDX is either LFACE_FOREGROUND_INDEX or LFACE_BACKGROUND_INDEX, and
5955 specifies which color to map. Set *DEFAULTED to 1 if mapping to the
5956 default foreground/background colors. */
5959 map_tty_color (f
, face
, idx
, defaulted
)
5962 enum lface_attribute_index idx
;
5965 Lisp_Object frame
, color
, def
;
5966 int foreground_p
= idx
== LFACE_FOREGROUND_INDEX
;
5967 unsigned long default_pixel
, default_other_pixel
, pixel
;
5969 xassert (idx
== LFACE_FOREGROUND_INDEX
|| idx
== LFACE_BACKGROUND_INDEX
);
5973 pixel
= default_pixel
= FACE_TTY_DEFAULT_FG_COLOR
;
5974 default_other_pixel
= FACE_TTY_DEFAULT_BG_COLOR
;
5978 pixel
= default_pixel
= FACE_TTY_DEFAULT_BG_COLOR
;
5979 default_other_pixel
= FACE_TTY_DEFAULT_FG_COLOR
;
5982 XSETFRAME (frame
, f
);
5983 color
= face
->lface
[idx
];
5987 && CONSP (Vtty_defined_color_alist
)
5988 && (def
= assq_no_quit (color
, call1 (Qtty_color_alist
, frame
)),
5991 /* Associations in tty-defined-color-alist are of the form
5992 (NAME INDEX R G B). We need the INDEX part. */
5993 pixel
= XINT (XCAR (XCDR (def
)));
5996 if (pixel
== default_pixel
&& STRINGP (color
))
5998 pixel
= load_color (f
, face
, color
, idx
);
6001 /* If the foreground of the default face is the default color,
6002 use the foreground color defined by the frame. */
6003 if (FRAME_MSDOS_P (f
))
6005 if (pixel
== default_pixel
6006 || pixel
== FACE_TTY_DEFAULT_COLOR
)
6009 pixel
= FRAME_FOREGROUND_PIXEL (f
);
6011 pixel
= FRAME_BACKGROUND_PIXEL (f
);
6012 face
->lface
[idx
] = tty_color_name (f
, pixel
);
6015 else if (pixel
== default_other_pixel
)
6018 pixel
= FRAME_BACKGROUND_PIXEL (f
);
6020 pixel
= FRAME_FOREGROUND_PIXEL (f
);
6021 face
->lface
[idx
] = tty_color_name (f
, pixel
);
6029 face
->foreground
= pixel
;
6031 face
->background
= pixel
;
6035 /* Realize the fully-specified face with attributes ATTRS in face
6036 cache CACHE for ASCII characters. Do it for TTY frame CACHE->f.
6037 Value is a pointer to the newly created realized face. */
6039 static struct face
*
6040 realize_tty_face (cache
, attrs
)
6041 struct face_cache
*cache
;
6046 int face_colors_defaulted
= 0;
6047 struct frame
*f
= cache
->f
;
6049 /* Frame must be a termcap frame. */
6050 xassert (FRAME_TERMCAP_P (cache
->f
) || FRAME_MSDOS_P (cache
->f
));
6052 /* Allocate a new realized face. */
6053 face
= make_realized_face (attrs
);
6055 face
->font_name
= FRAME_MSDOS_P (cache
->f
) ? "ms-dos" : "tty";
6058 /* Map face attributes to TTY appearances. We map slant to
6059 dimmed text because we want italic text to appear differently
6060 and because dimmed text is probably used infrequently. */
6061 weight
= FONT_WEIGHT_NAME_NUMERIC (attrs
[LFACE_WEIGHT_INDEX
]);
6062 slant
= FONT_SLANT_NAME_NUMERIC (attrs
[LFACE_SLANT_INDEX
]);
6064 face
->tty_bold_p
= 1;
6065 if (weight
< 100 || slant
!= 100)
6066 face
->tty_dim_p
= 1;
6067 if (!NILP (attrs
[LFACE_UNDERLINE_INDEX
]))
6068 face
->tty_underline_p
= 1;
6069 if (!NILP (attrs
[LFACE_INVERSE_INDEX
]))
6070 face
->tty_reverse_p
= 1;
6072 /* Map color names to color indices. */
6073 map_tty_color (f
, face
, LFACE_FOREGROUND_INDEX
, &face_colors_defaulted
);
6074 map_tty_color (f
, face
, LFACE_BACKGROUND_INDEX
, &face_colors_defaulted
);
6076 /* Swap colors if face is inverse-video. If the colors are taken
6077 from the frame colors, they are already inverted, since the
6078 frame-creation function calls x-handle-reverse-video. */
6079 if (face
->tty_reverse_p
&& !face_colors_defaulted
)
6081 unsigned long tem
= face
->foreground
;
6082 face
->foreground
= face
->background
;
6083 face
->background
= tem
;
6086 if (tty_suppress_bold_inverse_default_colors_p
6088 && face
->background
== FACE_TTY_DEFAULT_FG_COLOR
6089 && face
->foreground
== FACE_TTY_DEFAULT_BG_COLOR
)
6090 face
->tty_bold_p
= 0;
6096 DEFUN ("tty-suppress-bold-inverse-default-colors",
6097 Ftty_suppress_bold_inverse_default_colors
,
6098 Stty_suppress_bold_inverse_default_colors
, 1, 1, 0,
6099 doc
: /* Suppress/allow boldness of faces with inverse default colors.
6100 SUPPRESS non-nil means suppress it.
6101 This affects bold faces on TTYs whose foreground is the default background
6102 color of the display and whose background is the default foreground color.
6103 For such faces, the bold face attribute is ignored if this variable
6106 Lisp_Object suppress
;
6108 tty_suppress_bold_inverse_default_colors_p
= !NILP (suppress
);
6109 ++face_change_count
;
6115 /***********************************************************************
6117 ***********************************************************************/
6119 /* Return the ID of the face to use to display character CH with face
6120 property PROP on frame F in current_buffer. */
6123 compute_char_face (f
, ch
, prop
)
6130 if (NILP (current_buffer
->enable_multibyte_characters
))
6135 struct face
*face
= FACE_FROM_ID (f
, DEFAULT_FACE_ID
);
6136 face_id
= FACE_FOR_CHAR (f
, face
, ch
, -1, Qnil
);
6140 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
6141 struct face
*default_face
= FACE_FROM_ID (f
, DEFAULT_FACE_ID
);
6142 bcopy (default_face
->lface
, attrs
, sizeof attrs
);
6143 merge_face_ref (f
, prop
, attrs
, 1, 0);
6144 face_id
= lookup_face (f
, attrs
);
6150 /* Return the face ID associated with buffer position POS for
6151 displaying ASCII characters. Return in *ENDPTR the position at
6152 which a different face is needed, as far as text properties and
6153 overlays are concerned. W is a window displaying current_buffer.
6155 REGION_BEG, REGION_END delimit the region, so it can be
6158 LIMIT is a position not to scan beyond. That is to limit the time
6159 this function can take.
6161 If MOUSE is non-zero, use the character's mouse-face, not its face.
6163 The face returned is suitable for displaying ASCII characters. */
6166 face_at_buffer_position (w
, pos
, region_beg
, region_end
,
6167 endptr
, limit
, mouse
)
6170 EMACS_INT region_beg
, region_end
;
6175 struct frame
*f
= XFRAME (w
->frame
);
6176 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
6177 Lisp_Object prop
, position
;
6179 Lisp_Object
*overlay_vec
;
6182 Lisp_Object propname
= mouse
? Qmouse_face
: Qface
;
6183 Lisp_Object limit1
, end
;
6184 struct face
*default_face
;
6186 /* W must display the current buffer. We could write this function
6187 to use the frame and buffer of W, but right now it doesn't. */
6188 /* xassert (XBUFFER (w->buffer) == current_buffer); */
6190 XSETFRAME (frame
, f
);
6191 XSETFASTINT (position
, pos
);
6194 if (pos
< region_beg
&& region_beg
< endpos
)
6195 endpos
= region_beg
;
6197 /* Get the `face' or `mouse_face' text property at POS, and
6198 determine the next position at which the property changes. */
6199 prop
= Fget_text_property (position
, propname
, w
->buffer
);
6200 XSETFASTINT (limit1
, (limit
< endpos
? limit
: endpos
));
6201 end
= Fnext_single_property_change (position
, propname
, w
->buffer
, limit1
);
6203 endpos
= XINT (end
);
6205 /* Look at properties from overlays. */
6207 EMACS_INT next_overlay
;
6209 GET_OVERLAYS_AT (pos
, overlay_vec
, noverlays
, &next_overlay
, 0);
6210 if (next_overlay
< endpos
)
6211 endpos
= next_overlay
;
6216 default_face
= FACE_FROM_ID (f
, DEFAULT_FACE_ID
);
6218 /* Optimize common cases where we can use the default face. */
6221 && !(pos
>= region_beg
&& pos
< region_end
))
6222 return DEFAULT_FACE_ID
;
6224 /* Begin with attributes from the default face. */
6225 bcopy (default_face
->lface
, attrs
, sizeof attrs
);
6227 /* Merge in attributes specified via text properties. */
6229 merge_face_ref (f
, prop
, attrs
, 1, 0);
6231 /* Now merge the overlay data. */
6232 noverlays
= sort_overlays (overlay_vec
, noverlays
, w
);
6233 for (i
= 0; i
< noverlays
; i
++)
6238 prop
= Foverlay_get (overlay_vec
[i
], propname
);
6240 merge_face_ref (f
, prop
, attrs
, 1, 0);
6242 oend
= OVERLAY_END (overlay_vec
[i
]);
6243 oendpos
= OVERLAY_POSITION (oend
);
6244 if (oendpos
< endpos
)
6248 /* If in the region, merge in the region face. */
6249 if (pos
>= region_beg
&& pos
< region_end
)
6251 merge_named_face (f
, Qregion
, attrs
, 0);
6253 if (region_end
< endpos
)
6254 endpos
= region_end
;
6259 /* Look up a realized face with the given face attributes,
6260 or realize a new one for ASCII characters. */
6261 return lookup_face (f
, attrs
);
6264 /* Return the face ID at buffer position POS for displaying ASCII
6265 characters associated with overlay strings for overlay OVERLAY.
6267 Like face_at_buffer_position except for OVERLAY. Currently it
6268 simply disregards the `face' properties of all overlays. */
6271 face_for_overlay_string (w
, pos
, region_beg
, region_end
,
6272 endptr
, limit
, mouse
, overlay
)
6275 EMACS_INT region_beg
, region_end
;
6279 Lisp_Object overlay
;
6281 struct frame
*f
= XFRAME (w
->frame
);
6282 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
6283 Lisp_Object prop
, position
;
6286 Lisp_Object propname
= mouse
? Qmouse_face
: Qface
;
6287 Lisp_Object limit1
, end
;
6288 struct face
*default_face
;
6290 /* W must display the current buffer. We could write this function
6291 to use the frame and buffer of W, but right now it doesn't. */
6292 /* xassert (XBUFFER (w->buffer) == current_buffer); */
6294 XSETFRAME (frame
, f
);
6295 XSETFASTINT (position
, pos
);
6298 if (pos
< region_beg
&& region_beg
< endpos
)
6299 endpos
= region_beg
;
6301 /* Get the `face' or `mouse_face' text property at POS, and
6302 determine the next position at which the property changes. */
6303 prop
= Fget_text_property (position
, propname
, w
->buffer
);
6304 XSETFASTINT (limit1
, (limit
< endpos
? limit
: endpos
));
6305 end
= Fnext_single_property_change (position
, propname
, w
->buffer
, limit1
);
6307 endpos
= XINT (end
);
6311 default_face
= FACE_FROM_ID (f
, DEFAULT_FACE_ID
);
6313 /* Optimize common cases where we can use the default face. */
6315 && !(pos
>= region_beg
&& pos
< region_end
))
6316 return DEFAULT_FACE_ID
;
6318 /* Begin with attributes from the default face. */
6319 bcopy (default_face
->lface
, attrs
, sizeof attrs
);
6321 /* Merge in attributes specified via text properties. */
6323 merge_face_ref (f
, prop
, attrs
, 1, 0);
6325 /* If in the region, merge in the region face. */
6326 if (pos
>= region_beg
&& pos
< region_end
)
6328 merge_named_face (f
, Qregion
, attrs
, 0);
6330 if (region_end
< endpos
)
6331 endpos
= region_end
;
6336 /* Look up a realized face with the given face attributes,
6337 or realize a new one for ASCII characters. */
6338 return lookup_face (f
, attrs
);
6342 /* Compute the face at character position POS in Lisp string STRING on
6343 window W, for ASCII characters.
6345 If STRING is an overlay string, it comes from position BUFPOS in
6346 current_buffer, otherwise BUFPOS is zero to indicate that STRING is
6347 not an overlay string. W must display the current buffer.
6348 REGION_BEG and REGION_END give the start and end positions of the
6349 region; both are -1 if no region is visible.
6351 BASE_FACE_ID is the id of a face to merge with. For strings coming
6352 from overlays or the `display' property it is the face at BUFPOS.
6354 If MOUSE_P is non-zero, use the character's mouse-face, not its face.
6356 Set *ENDPTR to the next position where to check for faces in
6357 STRING; -1 if the face is constant from POS to the end of the
6360 Value is the id of the face to use. The face returned is suitable
6361 for displaying ASCII characters. */
6364 face_at_string_position (w
, string
, pos
, bufpos
, region_beg
,
6365 region_end
, endptr
, base_face_id
, mouse_p
)
6368 EMACS_INT pos
, bufpos
;
6369 EMACS_INT region_beg
, region_end
;
6371 enum face_id base_face_id
;
6374 Lisp_Object prop
, position
, end
, limit
;
6375 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
6376 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
6377 struct face
*base_face
;
6378 int multibyte_p
= STRING_MULTIBYTE (string
);
6379 Lisp_Object prop_name
= mouse_p
? Qmouse_face
: Qface
;
6381 /* Get the value of the face property at the current position within
6382 STRING. Value is nil if there is no face property. */
6383 XSETFASTINT (position
, pos
);
6384 prop
= Fget_text_property (position
, prop_name
, string
);
6386 /* Get the next position at which to check for faces. Value of end
6387 is nil if face is constant all the way to the end of the string.
6388 Otherwise it is a string position where to check faces next.
6389 Limit is the maximum position up to which to check for property
6390 changes in Fnext_single_property_change. Strings are usually
6391 short, so set the limit to the end of the string. */
6392 XSETFASTINT (limit
, SCHARS (string
));
6393 end
= Fnext_single_property_change (position
, prop_name
, string
, limit
);
6395 *endptr
= XFASTINT (end
);
6399 base_face
= FACE_FROM_ID (f
, base_face_id
);
6400 xassert (base_face
);
6402 /* Optimize the default case that there is no face property and we
6403 are not in the region. */
6405 && (base_face_id
!= DEFAULT_FACE_ID
6406 /* BUFPOS <= 0 means STRING is not an overlay string, so
6407 that the region doesn't have to be taken into account. */
6409 || bufpos
< region_beg
6410 || bufpos
>= region_end
)
6412 /* We can't realize faces for different charsets differently
6413 if we don't have fonts, so we can stop here if not working
6414 on a window-system frame. */
6415 || !FRAME_WINDOW_P (f
)
6416 || FACE_SUITABLE_FOR_CHAR_P (base_face
, 0)))
6417 return base_face
->id
;
6419 /* Begin with attributes from the base face. */
6420 bcopy (base_face
->lface
, attrs
, sizeof attrs
);
6422 /* Merge in attributes specified via text properties. */
6424 merge_face_ref (f
, prop
, attrs
, 1, 0);
6426 /* If in the region, merge in the region face. */
6428 && bufpos
>= region_beg
6429 && bufpos
< region_end
)
6430 merge_named_face (f
, Qregion
, attrs
, 0);
6432 /* Look up a realized face with the given face attributes,
6433 or realize a new one for ASCII characters. */
6434 return lookup_face (f
, attrs
);
6438 /* Merge a face into a realized face.
6440 F is frame where faces are (to be) realized.
6442 FACE_NAME is named face to merge.
6444 If FACE_NAME is nil, FACE_ID is face_id of realized face to merge.
6446 If FACE_NAME is t, FACE_ID is lface_id of face to merge.
6448 BASE_FACE_ID is realized face to merge into.
6454 merge_faces (f
, face_name
, face_id
, base_face_id
)
6456 Lisp_Object face_name
;
6457 int face_id
, base_face_id
;
6459 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
6460 struct face
*base_face
;
6462 base_face
= FACE_FROM_ID (f
, base_face_id
);
6464 return base_face_id
;
6466 if (EQ (face_name
, Qt
))
6468 if (face_id
< 0 || face_id
>= lface_id_to_name_size
)
6469 return base_face_id
;
6470 face_name
= lface_id_to_name
[face_id
];
6471 face_id
= lookup_derived_face (f
, face_name
, base_face_id
, 1);
6474 return base_face_id
;
6477 /* Begin with attributes from the base face. */
6478 bcopy (base_face
->lface
, attrs
, sizeof attrs
);
6480 if (!NILP (face_name
))
6482 if (!merge_named_face (f
, face_name
, attrs
, 0))
6483 return base_face_id
;
6489 return base_face_id
;
6490 face
= FACE_FROM_ID (f
, face_id
);
6492 return base_face_id
;
6493 merge_face_vectors (f
, face
->lface
, attrs
, 0);
6496 /* Look up a realized face with the given face attributes,
6497 or realize a new one for ASCII characters. */
6498 return lookup_face (f
, attrs
);
6502 /***********************************************************************
6504 ***********************************************************************/
6508 /* Print the contents of the realized face FACE to stderr. */
6511 dump_realized_face (face
)
6514 fprintf (stderr
, "ID: %d\n", face
->id
);
6515 #ifdef HAVE_X_WINDOWS
6516 fprintf (stderr
, "gc: %ld\n", (long) face
->gc
);
6518 fprintf (stderr
, "foreground: 0x%lx (%s)\n",
6520 SDATA (face
->lface
[LFACE_FOREGROUND_INDEX
]));
6521 fprintf (stderr
, "background: 0x%lx (%s)\n",
6523 SDATA (face
->lface
[LFACE_BACKGROUND_INDEX
]));
6525 fprintf (stderr
, "font_name: %s (%s)\n",
6526 SDATA (face
->font
->props
[FONT_NAME_INDEX
]),
6527 SDATA (face
->lface
[LFACE_FAMILY_INDEX
]));
6528 #ifdef HAVE_X_WINDOWS
6529 fprintf (stderr
, "font = %p\n", face
->font
);
6531 fprintf (stderr
, "fontset: %d\n", face
->fontset
);
6532 fprintf (stderr
, "underline: %d (%s)\n",
6534 SDATA (Fsymbol_name (face
->lface
[LFACE_UNDERLINE_INDEX
])));
6535 fprintf (stderr
, "hash: %d\n", face
->hash
);
6539 DEFUN ("dump-face", Fdump_face
, Sdump_face
, 0, 1, 0, doc
: /* */)
6547 fprintf (stderr
, "font selection order: ");
6548 for (i
= 0; i
< DIM (font_sort_order
); ++i
)
6549 fprintf (stderr
, "%d ", font_sort_order
[i
]);
6550 fprintf (stderr
, "\n");
6552 fprintf (stderr
, "alternative fonts: ");
6553 debug_print (Vface_alternative_font_family_alist
);
6554 fprintf (stderr
, "\n");
6556 for (i
= 0; i
< FRAME_FACE_CACHE (SELECTED_FRAME ())->used
; ++i
)
6557 Fdump_face (make_number (i
));
6563 face
= FACE_FROM_ID (SELECTED_FRAME (), XINT (n
));
6565 error ("Not a valid face");
6566 dump_realized_face (face
);
6573 DEFUN ("show-face-resources", Fshow_face_resources
, Sshow_face_resources
,
6574 0, 0, 0, doc
: /* */)
6577 fprintf (stderr
, "number of colors = %d\n", ncolors_allocated
);
6578 fprintf (stderr
, "number of pixmaps = %d\n", npixmaps_allocated
);
6579 fprintf (stderr
, "number of GCs = %d\n", ngcs
);
6583 #endif /* GLYPH_DEBUG != 0 */
6587 /***********************************************************************
6589 ***********************************************************************/
6594 Qface
= intern ("face");
6596 Qface_no_inherit
= intern ("face-no-inherit");
6597 staticpro (&Qface_no_inherit
);
6598 Qbitmap_spec_p
= intern ("bitmap-spec-p");
6599 staticpro (&Qbitmap_spec_p
);
6600 Qframe_set_background_mode
= intern ("frame-set-background-mode");
6601 staticpro (&Qframe_set_background_mode
);
6603 /* Lisp face attribute keywords. */
6604 QCfamily
= intern (":family");
6605 staticpro (&QCfamily
);
6606 QCheight
= intern (":height");
6607 staticpro (&QCheight
);
6608 QCweight
= intern (":weight");
6609 staticpro (&QCweight
);
6610 QCslant
= intern (":slant");
6611 staticpro (&QCslant
);
6612 QCunderline
= intern (":underline");
6613 staticpro (&QCunderline
);
6614 QCinverse_video
= intern (":inverse-video");
6615 staticpro (&QCinverse_video
);
6616 QCreverse_video
= intern (":reverse-video");
6617 staticpro (&QCreverse_video
);
6618 QCforeground
= intern (":foreground");
6619 staticpro (&QCforeground
);
6620 QCbackground
= intern (":background");
6621 staticpro (&QCbackground
);
6622 QCstipple
= intern (":stipple");
6623 staticpro (&QCstipple
);
6624 QCwidth
= intern (":width");
6625 staticpro (&QCwidth
);
6626 QCfont
= intern (":font");
6627 staticpro (&QCfont
);
6628 QCfontset
= intern (":fontset");
6629 staticpro (&QCfontset
);
6630 QCbold
= intern (":bold");
6631 staticpro (&QCbold
);
6632 QCitalic
= intern (":italic");
6633 staticpro (&QCitalic
);
6634 QCoverline
= intern (":overline");
6635 staticpro (&QCoverline
);
6636 QCstrike_through
= intern (":strike-through");
6637 staticpro (&QCstrike_through
);
6638 QCbox
= intern (":box");
6640 QCinherit
= intern (":inherit");
6641 staticpro (&QCinherit
);
6643 /* Symbols used for Lisp face attribute values. */
6644 QCcolor
= intern (":color");
6645 staticpro (&QCcolor
);
6646 QCline_width
= intern (":line-width");
6647 staticpro (&QCline_width
);
6648 QCstyle
= intern (":style");
6649 staticpro (&QCstyle
);
6650 Qreleased_button
= intern ("released-button");
6651 staticpro (&Qreleased_button
);
6652 Qpressed_button
= intern ("pressed-button");
6653 staticpro (&Qpressed_button
);
6654 Qnormal
= intern ("normal");
6655 staticpro (&Qnormal
);
6656 Qultra_light
= intern ("ultra-light");
6657 staticpro (&Qultra_light
);
6658 Qextra_light
= intern ("extra-light");
6659 staticpro (&Qextra_light
);
6660 Qlight
= intern ("light");
6661 staticpro (&Qlight
);
6662 Qsemi_light
= intern ("semi-light");
6663 staticpro (&Qsemi_light
);
6664 Qsemi_bold
= intern ("semi-bold");
6665 staticpro (&Qsemi_bold
);
6666 Qbold
= intern ("bold");
6668 Qextra_bold
= intern ("extra-bold");
6669 staticpro (&Qextra_bold
);
6670 Qultra_bold
= intern ("ultra-bold");
6671 staticpro (&Qultra_bold
);
6672 Qoblique
= intern ("oblique");
6673 staticpro (&Qoblique
);
6674 Qitalic
= intern ("italic");
6675 staticpro (&Qitalic
);
6676 Qreverse_oblique
= intern ("reverse-oblique");
6677 staticpro (&Qreverse_oblique
);
6678 Qreverse_italic
= intern ("reverse-italic");
6679 staticpro (&Qreverse_italic
);
6680 Qultra_condensed
= intern ("ultra-condensed");
6681 staticpro (&Qultra_condensed
);
6682 Qextra_condensed
= intern ("extra-condensed");
6683 staticpro (&Qextra_condensed
);
6684 Qcondensed
= intern ("condensed");
6685 staticpro (&Qcondensed
);
6686 Qsemi_condensed
= intern ("semi-condensed");
6687 staticpro (&Qsemi_condensed
);
6688 Qsemi_expanded
= intern ("semi-expanded");
6689 staticpro (&Qsemi_expanded
);
6690 Qexpanded
= intern ("expanded");
6691 staticpro (&Qexpanded
);
6692 Qextra_expanded
= intern ("extra-expanded");
6693 staticpro (&Qextra_expanded
);
6694 Qultra_expanded
= intern ("ultra-expanded");
6695 staticpro (&Qultra_expanded
);
6696 Qbackground_color
= intern ("background-color");
6697 staticpro (&Qbackground_color
);
6698 Qforeground_color
= intern ("foreground-color");
6699 staticpro (&Qforeground_color
);
6700 Qunspecified
= intern ("unspecified");
6701 staticpro (&Qunspecified
);
6702 Qignore_defface
= intern (":ignore-defface");
6703 staticpro (&Qignore_defface
);
6705 Qface_alias
= intern ("face-alias");
6706 staticpro (&Qface_alias
);
6707 Qdefault
= intern ("default");
6708 staticpro (&Qdefault
);
6709 Qtool_bar
= intern ("tool-bar");
6710 staticpro (&Qtool_bar
);
6711 Qregion
= intern ("region");
6712 staticpro (&Qregion
);
6713 Qfringe
= intern ("fringe");
6714 staticpro (&Qfringe
);
6715 Qheader_line
= intern ("header-line");
6716 staticpro (&Qheader_line
);
6717 Qscroll_bar
= intern ("scroll-bar");
6718 staticpro (&Qscroll_bar
);
6719 Qmenu
= intern ("menu");
6721 Qcursor
= intern ("cursor");
6722 staticpro (&Qcursor
);
6723 Qborder
= intern ("border");
6724 staticpro (&Qborder
);
6725 Qmouse
= intern ("mouse");
6726 staticpro (&Qmouse
);
6727 Qmode_line_inactive
= intern ("mode-line-inactive");
6728 staticpro (&Qmode_line_inactive
);
6729 Qvertical_border
= intern ("vertical-border");
6730 staticpro (&Qvertical_border
);
6731 Qtty_color_desc
= intern ("tty-color-desc");
6732 staticpro (&Qtty_color_desc
);
6733 Qtty_color_standard_values
= intern ("tty-color-standard-values");
6734 staticpro (&Qtty_color_standard_values
);
6735 Qtty_color_by_index
= intern ("tty-color-by-index");
6736 staticpro (&Qtty_color_by_index
);
6737 Qtty_color_alist
= intern ("tty-color-alist");
6738 staticpro (&Qtty_color_alist
);
6739 Qscalable_fonts_allowed
= intern ("scalable-fonts-allowed");
6740 staticpro (&Qscalable_fonts_allowed
);
6742 Vparam_value_alist
= Fcons (Fcons (Qnil
, Qnil
), Qnil
);
6743 staticpro (&Vparam_value_alist
);
6744 Vface_alternative_font_family_alist
= Qnil
;
6745 staticpro (&Vface_alternative_font_family_alist
);
6746 Vface_alternative_font_registry_alist
= Qnil
;
6747 staticpro (&Vface_alternative_font_registry_alist
);
6749 defsubr (&Sinternal_make_lisp_face
);
6750 defsubr (&Sinternal_lisp_face_p
);
6751 defsubr (&Sinternal_set_lisp_face_attribute
);
6752 #ifdef HAVE_WINDOW_SYSTEM
6753 defsubr (&Sinternal_set_lisp_face_attribute_from_resource
);
6755 defsubr (&Scolor_gray_p
);
6756 defsubr (&Scolor_supported_p
);
6757 defsubr (&Sface_attribute_relative_p
);
6758 defsubr (&Smerge_face_attribute
);
6759 defsubr (&Sinternal_get_lisp_face_attribute
);
6760 defsubr (&Sinternal_lisp_face_attribute_values
);
6761 defsubr (&Sinternal_lisp_face_equal_p
);
6762 defsubr (&Sinternal_lisp_face_empty_p
);
6763 defsubr (&Sinternal_copy_lisp_face
);
6764 defsubr (&Sinternal_merge_in_global_face
);
6765 defsubr (&Sface_font
);
6766 defsubr (&Sframe_face_alist
);
6767 defsubr (&Sdisplay_supports_face_attributes_p
);
6768 defsubr (&Scolor_distance
);
6769 defsubr (&Sinternal_set_font_selection_order
);
6770 defsubr (&Sinternal_set_alternative_font_family_alist
);
6771 defsubr (&Sinternal_set_alternative_font_registry_alist
);
6772 defsubr (&Sface_attributes_as_vector
);
6774 defsubr (&Sdump_face
);
6775 defsubr (&Sshow_face_resources
);
6776 #endif /* GLYPH_DEBUG */
6777 defsubr (&Sclear_face_cache
);
6778 defsubr (&Stty_suppress_bold_inverse_default_colors
);
6780 #if defined DEBUG_X_COLORS && defined HAVE_X_WINDOWS
6781 defsubr (&Sdump_colors
);
6784 DEFVAR_LISP ("font-list-limit", &Vfont_list_limit
,
6785 doc
: /* *Limit for font matching.
6786 If an integer > 0, font matching functions won't load more than
6787 that number of fonts when searching for a matching font. */);
6788 Vfont_list_limit
= make_number (DEFAULT_FONT_LIST_LIMIT
);
6790 DEFVAR_LISP ("face-new-frame-defaults", &Vface_new_frame_defaults
,
6791 doc
: /* List of global face definitions (for internal use only.) */);
6792 Vface_new_frame_defaults
= Qnil
;
6794 DEFVAR_LISP ("face-default-stipple", &Vface_default_stipple
,
6795 doc
: /* *Default stipple pattern used on monochrome displays.
6796 This stipple pattern is used on monochrome displays
6797 instead of shades of gray for a face background color.
6798 See `set-face-stipple' for possible values for this variable. */);
6799 Vface_default_stipple
= build_string ("gray3");
6801 DEFVAR_LISP ("tty-defined-color-alist", &Vtty_defined_color_alist
,
6802 doc
: /* An alist of defined terminal colors and their RGB values. */);
6803 Vtty_defined_color_alist
= Qnil
;
6805 DEFVAR_LISP ("scalable-fonts-allowed", &Vscalable_fonts_allowed
,
6806 doc
: /* Allowed scalable fonts.
6807 A value of nil means don't allow any scalable fonts.
6808 A value of t means allow any scalable font.
6809 Otherwise, value must be a list of regular expressions. A font may be
6810 scaled if its name matches a regular expression in the list.
6811 Note that if value is nil, a scalable font might still be used, if no
6812 other font of the appropriate family and registry is available. */);
6813 Vscalable_fonts_allowed
= Qnil
;
6815 DEFVAR_LISP ("face-ignored-fonts", &Vface_ignored_fonts
,
6816 doc
: /* List of ignored fonts.
6817 Each element is a regular expression that matches names of fonts to
6819 Vface_ignored_fonts
= Qnil
;
6821 DEFVAR_LISP ("face-font-rescale-alist", &Vface_font_rescale_alist
,
6822 doc
: /* Alist of fonts vs the rescaling factors.
6823 Each element is a cons (FONT-NAME-PATTERN . RESCALE-RATIO), where
6824 FONT-NAME-PATTERN is a regular expression matching a font name, and
6825 RESCALE-RATIO is a floating point number to specify how much larger
6826 \(or smaller) font we should use. For instance, if a face requests
6827 a font of 10 point, we actually use a font of 10 * RESCALE-RATIO point. */);
6828 Vface_font_rescale_alist
= Qnil
;
6830 #ifdef HAVE_WINDOW_SYSTEM
6831 defsubr (&Sbitmap_spec_p
);
6832 defsubr (&Sx_list_fonts
);
6833 defsubr (&Sinternal_face_x_get_resource
);
6834 defsubr (&Sx_family_fonts
);
6835 defsubr (&Sx_font_family_list
);
6836 #endif /* HAVE_WINDOW_SYSTEM */
6839 /* arch-tag: 8a0f7598-5517-408d-9ab3-1da6fcd4c749
6840 (do not change this comment) */