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. Font foundary name.
32 3. Relative proportionate width, aka character set width or set
33 width (swidth), e.g. `semi-compressed'.
35 4. Font height in 1/10pt.
37 5. Font weight, e.g. `bold'.
39 6. Font slant, e.g. `italic'.
45 9. Whether or not characters should be underlined, and in what color.
47 10. Whether or not characters should be displayed in inverse video.
49 11. A background stipple, a bitmap.
51 12. Whether or not characters should be overlined, and in what color.
53 13. Whether or not characters should be strike-through, and in what
56 14. Whether or not a box should be drawn around characters, the box
57 type, and, for simple boxes, in what color.
59 15. Font-spec, or nil. This is a special attribute.
61 A font-spec is a collection of font attributes (specs).
63 When this attribute is specified, the face uses a font matching
64 with the specs as is except for what overwritten by the specs in
65 the fontset (see below). In addition, the other font-related
66 attributes (1st thru 5th) are updated from the spec.
68 On the other hand, if one of the other font-related attributes are
69 specified, the correspoinding specs in this attribute is set to nil.
71 15. A face name or list of face names from which to inherit attributes.
73 16. A specified average font width, which is invisible from Lisp,
74 and is used to ensure that a font specified on the command line,
75 for example, can be matched exactly.
77 17. A fontset name. This is another special attribute.
79 A fontset is a mappings from characters to font-specs, and the
80 specs overwrite the font-spec in the 14th attribute.
83 Faces are frame-local by nature because Emacs allows to define the
84 same named face (face names are symbols) differently for different
85 frames. Each frame has an alist of face definitions for all named
86 faces. The value of a named face in such an alist is a Lisp vector
87 with the symbol `face' in slot 0, and a slot for each of the face
88 attributes mentioned above.
90 There is also a global face alist `Vface_new_frame_defaults'. Face
91 definitions from this list are used to initialize faces of newly
94 A face doesn't have to specify all attributes. Those not specified
95 have a value of `unspecified'. Faces specifying all attributes but
96 the 14th are called `fully-specified'.
101 The display style of a given character in the text is determined by
102 combining several faces. This process is called `face merging'.
103 Any aspect of the display style that isn't specified by overlays or
104 text properties is taken from the `default' face. Since it is made
105 sure that the default face is always fully-specified, face merging
106 always results in a fully-specified face.
111 After all face attributes for a character have been determined by
112 merging faces of that character, that face is `realized'. The
113 realization process maps face attributes to what is physically
114 available on the system where Emacs runs. The result is a
115 `realized face' in form of a struct face which is stored in the
116 face cache of the frame on which it was realized.
118 Face realization is done in the context of the character to display
119 because different fonts may be used for different characters. In
120 other words, for characters that have different font
121 specifications, different realized faces are needed to display
124 Font specification is done by fontsets. See the comment in
125 fontset.c for the details. In the current implementation, all ASCII
126 characters share the same font in a fontset.
128 Faces are at first realized for ASCII characters, and, at that
129 time, assigned a specific realized fontset. Hereafter, we call
130 such a face as `ASCII face'. When a face for a multibyte character
131 is realized, it inherits (thus shares) a fontset of an ASCII face
132 that has the same attributes other than font-related ones.
134 Thus, all realized faces have a realized fontset.
139 Unibyte text (i.e. raw 8-bit characters) is displayed with the same
140 font as ASCII characters. That is because it is expected that
141 unibyte text users specify a font that is suitable both for ASCII
142 and raw 8-bit characters.
147 Font selection tries to find the best available matching font for a
148 given (character, face) combination.
150 If the face specifies a fontset name, that fontset determines a
151 pattern for fonts of the given character. If the face specifies a
152 font name or the other font-related attributes, a fontset is
153 realized from the default fontset. In that case, that
154 specification determines a pattern for ASCII characters and the
155 default fontset determines a pattern for multibyte characters.
157 Available fonts on the system on which Emacs runs are then matched
158 against the font pattern. The result of font selection is the best
159 match for the given face attributes in this font list.
161 Font selection can be influenced by the user.
163 1. The user can specify the relative importance he gives the face
164 attributes width, height, weight, and slant by setting
165 face-font-selection-order (faces.el) to a list of face attribute
166 names. The default is '(:width :height :weight :slant), and means
167 that font selection first tries to find a good match for the font
168 width specified by a face, then---within fonts with that
169 width---tries to find a best match for the specified font height,
172 2. Setting face-font-family-alternatives allows the user to
173 specify alternative font families to try if a family specified by a
176 3. Setting face-font-registry-alternatives allows the user to
177 specify all alternative font registries to try for a face
178 specifying a registry.
180 4. Setting face-ignored-fonts allows the user to ignore specific
184 Character composition.
186 Usually, the realization process is already finished when Emacs
187 actually reflects the desired glyph matrix on the screen. However,
188 on displaying a composition (sequence of characters to be composed
189 on the screen), a suitable font for the components of the
190 composition is selected and realized while drawing them on the
191 screen, i.e. the realization process is delayed but in principle
195 Initialization of basic faces.
197 The faces `default', `modeline' are considered `basic faces'.
198 When redisplay happens the first time for a newly created frame,
199 basic faces are realized for CHARSET_ASCII. Frame parameters are
200 used to fill in unspecified attributes of the default face. */
204 #include <sys/types.h>
205 #include <sys/stat.h>
206 #include <stdio.h> /* This needs to be before termchar.h */
209 #include "character.h"
211 #include "keyboard.h"
213 #include "termhooks.h"
215 #ifdef HAVE_X_WINDOWS
219 #include <Xm/XmStrDefs.h>
220 #endif /* USE_MOTIF */
221 #endif /* HAVE_X_WINDOWS */
230 /* Redefine X specifics to W32 equivalents to avoid cluttering the
231 code with #ifdef blocks. */
232 #undef FRAME_X_DISPLAY_INFO
233 #define FRAME_X_DISPLAY_INFO FRAME_W32_DISPLAY_INFO
234 #define x_display_info w32_display_info
235 #define FRAME_X_FONT_TABLE FRAME_W32_FONT_TABLE
236 #define check_x check_w32
237 #define x_list_fonts w32_list_fonts
238 #define GCGraphicsExposures 0
239 #endif /* WINDOWSNT */
243 #define x_display_info mac_display_info
244 #define check_x check_mac
249 #undef FRAME_X_DISPLAY_INFO
250 #define FRAME_X_DISPLAY_INFO FRAME_NS_DISPLAY_INFO
251 #define x_display_info ns_display_info
252 #define FRAME_X_FONT_TABLE FRAME_NS_FONT_TABLE
253 #define check_x check_ns
254 #define x_list_fonts ns_list_fonts
255 #define GCGraphicsExposures 0
259 #include "dispextern.h"
260 #include "blockinput.h"
262 #include "intervals.h"
263 #include "termchar.h"
266 #ifdef HAVE_WINDOW_SYSTEM
268 #endif /* HAVE_WINDOW_SYSTEM */
270 #ifdef HAVE_X_WINDOWS
272 /* Compensate for a bug in Xos.h on some systems, on which it requires
273 time.h. On some such systems, Xos.h tries to redefine struct
274 timeval and struct timezone if USG is #defined while it is
277 #ifdef XOS_NEEDS_TIME_H
283 #else /* not XOS_NEEDS_TIME_H */
285 #endif /* not XOS_NEEDS_TIME_H */
287 #endif /* HAVE_X_WINDOWS */
291 /* Number of pt per inch (from the TeXbook). */
293 #define PT_PER_INCH 72.27
295 /* Non-zero if face attribute ATTR is unspecified. */
297 #define UNSPECIFIEDP(ATTR) EQ ((ATTR), Qunspecified)
299 /* Non-zero if face attribute ATTR is `ignore-defface'. */
301 #define IGNORE_DEFFACE_P(ATTR) EQ ((ATTR), Qignore_defface)
303 /* Value is the number of elements of VECTOR. */
305 #define DIM(VECTOR) (sizeof (VECTOR) / sizeof *(VECTOR))
307 /* Make a copy of string S on the stack using alloca. Value is a pointer
310 #define STRDUPA(S) strcpy ((char *) alloca (strlen ((S)) + 1), (S))
312 /* Make a copy of the contents of Lisp string S on the stack using
313 alloca. Value is a pointer to the copy. */
315 #define LSTRDUPA(S) STRDUPA (SDATA ((S)))
317 /* Size of hash table of realized faces in face caches (should be a
320 #define FACE_CACHE_BUCKETS_SIZE 1001
322 /* Keyword symbols used for face attribute names. */
324 Lisp_Object QCfamily
, QCheight
, QCweight
, QCslant
, QCunderline
;
325 Lisp_Object QCinverse_video
, QCforeground
, QCbackground
, QCstipple
;
326 Lisp_Object QCwidth
, QCfont
, QCbold
, QCitalic
;
327 Lisp_Object QCreverse_video
;
328 Lisp_Object QCoverline
, QCstrike_through
, QCbox
, QCinherit
;
329 Lisp_Object QCfontset
;
331 /* Keywords symbols used for font properties. */
332 extern Lisp_Object QCfoundry
, QCadstyle
, QCregistry
;
333 extern Lisp_Object QCspacing
, QCsize
, QCavgwidth
;
334 extern Lisp_Object Qp
;
336 /* Symbols used for attribute values. */
338 Lisp_Object Qnormal
, Qbold
, Qultra_light
, Qextra_light
, Qlight
;
339 Lisp_Object Qsemi_light
, Qsemi_bold
, Qextra_bold
, Qultra_bold
;
340 Lisp_Object Qoblique
, Qitalic
, Qreverse_oblique
, Qreverse_italic
;
341 Lisp_Object Qultra_condensed
, Qextra_condensed
, Qcondensed
;
342 Lisp_Object Qsemi_condensed
, Qsemi_expanded
, Qexpanded
, Qextra_expanded
;
343 Lisp_Object Qultra_expanded
;
344 Lisp_Object Qreleased_button
, Qpressed_button
;
345 Lisp_Object QCstyle
, QCcolor
, QCline_width
;
346 Lisp_Object Qunspecified
;
347 Lisp_Object Qignore_defface
;
349 char unspecified_fg
[] = "unspecified-fg", unspecified_bg
[] = "unspecified-bg";
351 /* The name of the function to call when the background of the frame
352 has changed, frame_set_background_mode. */
354 Lisp_Object Qframe_set_background_mode
;
356 /* Names of basic faces. */
358 Lisp_Object Qdefault
, Qtool_bar
, Qregion
, Qfringe
;
359 Lisp_Object Qheader_line
, Qscroll_bar
, Qcursor
, Qborder
, Qmouse
, Qmenu
;
360 Lisp_Object Qmode_line_inactive
, Qvertical_border
;
361 extern Lisp_Object Qmode_line
;
363 /* The symbol `face-alias'. A symbols having that property is an
364 alias for another face. Value of the property is the name of
367 Lisp_Object Qface_alias
;
369 extern Lisp_Object Qcircular_list
;
371 /* Default stipple pattern used on monochrome displays. This stipple
372 pattern is used on monochrome displays instead of shades of gray
373 for a face background color. See `set-face-stipple' for possible
374 values for this variable. */
376 Lisp_Object Vface_default_stipple
;
378 /* Alist of alternative font families. Each element is of the form
379 (FAMILY FAMILY1 FAMILY2 ...). If fonts of FAMILY can't be loaded,
380 try FAMILY1, then FAMILY2, ... */
382 Lisp_Object Vface_alternative_font_family_alist
;
384 /* Alist of alternative font registries. Each element is of the form
385 (REGISTRY REGISTRY1 REGISTRY2...). If fonts of REGISTRY can't be
386 loaded, try REGISTRY1, then REGISTRY2, ... */
388 Lisp_Object Vface_alternative_font_registry_alist
;
390 /* Allowed scalable fonts. A value of nil means don't allow any
391 scalable fonts. A value of t means allow the use of any scalable
392 font. Otherwise, value must be a list of regular expressions. A
393 font may be scaled if its name matches a regular expression in the
396 Lisp_Object Vscalable_fonts_allowed
, Qscalable_fonts_allowed
;
398 /* List of regular expressions that matches names of fonts to ignore. */
400 Lisp_Object Vface_ignored_fonts
;
402 /* Alist of font name patterns vs the rescaling factor. */
404 Lisp_Object Vface_font_rescale_alist
;
406 /* Maximum number of fonts to consider in font_list. If not an
407 integer > 0, DEFAULT_FONT_LIST_LIMIT is used instead. */
409 Lisp_Object Vfont_list_limit
;
410 #define DEFAULT_FONT_LIST_LIMIT 100
412 /* The symbols `foreground-color' and `background-color' which can be
413 used as part of a `face' property. This is for compatibility with
416 Lisp_Object Qforeground_color
, Qbackground_color
;
418 /* The symbols `face' and `mouse-face' used as text properties. */
421 extern Lisp_Object Qmouse_face
;
423 /* Property for basic faces which other faces cannot inherit. */
425 Lisp_Object Qface_no_inherit
;
427 /* Error symbol for wrong_type_argument in load_pixmap. */
429 Lisp_Object Qbitmap_spec_p
;
431 /* Alist of global face definitions. Each element is of the form
432 (FACE . LFACE) where FACE is a symbol naming a face and LFACE
433 is a Lisp vector of face attributes. These faces are used
434 to initialize faces for new frames. */
436 Lisp_Object Vface_new_frame_defaults
;
438 /* Alist of face remappings. Each element is of the form:
439 (FACE REPLACEMENT...) which causes display of the face FACE to use
440 REPLACEMENT... instead. REPLACEMENT... is interpreted the same way
441 the value of a `face' text property is: it may be (1) A face name,
442 (2) A list of face names, (3) A property-list of face attribute/value
443 pairs, or (4) A list of face names intermixed with lists containing
444 face attribute/value pairs.
446 Multiple entries in REPLACEMENT... are merged together to form the final
447 result, with faces or attributes earlier in the list taking precedence
448 over those that are later.
450 Face-name remapping cycles are suppressed; recursive references use
451 the underlying face instead of the remapped face. */
453 Lisp_Object Vface_remapping_alist
;
455 /* The next ID to assign to Lisp faces. */
457 static int next_lface_id
;
459 /* A vector mapping Lisp face Id's to face names. */
461 static Lisp_Object
*lface_id_to_name
;
462 static int lface_id_to_name_size
;
464 /* TTY color-related functions (defined in tty-colors.el). */
466 Lisp_Object Qtty_color_desc
, Qtty_color_by_index
, Qtty_color_standard_values
;
468 /* The name of the function used to compute colors on TTYs. */
470 Lisp_Object Qtty_color_alist
;
472 /* An alist of defined terminal colors and their RGB values. */
474 Lisp_Object Vtty_defined_color_alist
;
476 /* Counter for calls to clear_face_cache. If this counter reaches
477 CLEAR_FONT_TABLE_COUNT, and a frame has more than
478 CLEAR_FONT_TABLE_NFONTS load, unused fonts are freed. */
480 static int clear_font_table_count
;
481 #define CLEAR_FONT_TABLE_COUNT 100
482 #define CLEAR_FONT_TABLE_NFONTS 10
484 /* Non-zero means face attributes have been changed since the last
485 redisplay. Used in redisplay_internal. */
487 int face_change_count
;
489 /* Non-zero means don't display bold text if a face's foreground
490 and background colors are the inverse of the default colors of the
491 display. This is a kluge to suppress `bold black' foreground text
492 which is hard to read on an LCD monitor. */
494 int tty_suppress_bold_inverse_default_colors_p
;
496 /* A list of the form `((x . y))' used to avoid consing in
497 Finternal_set_lisp_face_attribute. */
499 static Lisp_Object Vparam_value_alist
;
501 /* The total number of colors currently allocated. */
504 static int ncolors_allocated
;
505 static int npixmaps_allocated
;
509 /* Non-zero means the definition of the `menu' face for new frames has
512 int menu_face_changed_default
;
515 /* Function prototypes. */
518 struct named_merge_point
;
520 static void map_tty_color
P_ ((struct frame
*, struct face
*,
521 enum lface_attribute_index
, int *));
522 static Lisp_Object resolve_face_name
P_ ((Lisp_Object
, int));
523 static int may_use_scalable_font_p
P_ ((const char *));
524 static void set_font_frame_param
P_ ((Lisp_Object
, Lisp_Object
));
525 static int get_lface_attributes
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
*,
526 int, struct named_merge_point
*));
527 static int load_pixmap
P_ ((struct frame
*, Lisp_Object
, unsigned *, unsigned *));
528 static struct frame
*frame_or_selected_frame
P_ ((Lisp_Object
, int));
529 static void load_face_colors
P_ ((struct frame
*, struct face
*, Lisp_Object
*));
530 static void free_face_colors
P_ ((struct frame
*, struct face
*));
531 static int face_color_gray_p
P_ ((struct frame
*, char *));
532 static struct face
*realize_face
P_ ((struct face_cache
*, Lisp_Object
*,
534 static struct face
*realize_non_ascii_face
P_ ((struct frame
*, Lisp_Object
,
536 static struct face
*realize_x_face
P_ ((struct face_cache
*, Lisp_Object
*));
537 static struct face
*realize_tty_face
P_ ((struct face_cache
*, Lisp_Object
*));
538 static int realize_basic_faces
P_ ((struct frame
*));
539 static int realize_default_face
P_ ((struct frame
*));
540 static void realize_named_face
P_ ((struct frame
*, Lisp_Object
, int));
541 static int lface_fully_specified_p
P_ ((Lisp_Object
*));
542 static int lface_equal_p
P_ ((Lisp_Object
*, Lisp_Object
*));
543 static unsigned hash_string_case_insensitive
P_ ((Lisp_Object
));
544 static unsigned lface_hash
P_ ((Lisp_Object
*));
545 static int lface_same_font_attributes_p
P_ ((Lisp_Object
*, Lisp_Object
*));
546 static struct face_cache
*make_face_cache
P_ ((struct frame
*));
547 static void clear_face_gcs
P_ ((struct face_cache
*));
548 static void free_face_cache
P_ ((struct face_cache
*));
549 static int face_fontset
P_ ((Lisp_Object
*));
550 static void merge_face_vectors
P_ ((struct frame
*, Lisp_Object
*, Lisp_Object
*,
551 struct named_merge_point
*));
552 static int merge_face_ref
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
*,
553 int, struct named_merge_point
*));
554 static int set_lface_from_font
P_ ((struct frame
*, Lisp_Object
, Lisp_Object
,
556 static Lisp_Object lface_from_face_name
P_ ((struct frame
*, Lisp_Object
, int));
557 static struct face
*make_realized_face
P_ ((Lisp_Object
*));
558 static void cache_face
P_ ((struct face_cache
*, struct face
*, unsigned));
559 static void uncache_face
P_ ((struct face_cache
*, struct face
*));
561 #ifdef HAVE_WINDOW_SYSTEM
563 static GC x_create_gc
P_ ((struct frame
*, unsigned long, XGCValues
*));
564 static void x_free_gc
P_ ((struct frame
*, GC
));
567 extern Lisp_Object w32_list_fonts
P_ ((struct frame
*, Lisp_Object
, int, int));
568 #endif /* WINDOWSNT */
571 extern Lisp_Object ns_list_fonts
P_ ((struct frame
*, Lisp_Object
, int, int));
575 static void x_update_menu_appearance
P_ ((struct frame
*));
577 extern void free_frame_menubar
P_ ((struct frame
*));
578 #endif /* USE_X_TOOLKIT */
580 #endif /* HAVE_WINDOW_SYSTEM */
583 /***********************************************************************
585 ***********************************************************************/
587 #ifdef HAVE_X_WINDOWS
589 #ifdef DEBUG_X_COLORS
591 /* The following is a poor mans infrastructure for debugging X color
592 allocation problems on displays with PseudoColor-8. Some X servers
593 like 3.3.5 XF86_SVGA with Matrox cards apparently don't implement
594 color reference counts completely so that they don't signal an
595 error when a color is freed whose reference count is already 0.
596 Other X servers do. To help me debug this, the following code
597 implements a simple reference counting schema of its own, for a
598 single display/screen. --gerd. */
600 /* Reference counts for pixel colors. */
602 int color_count
[256];
604 /* Register color PIXEL as allocated. */
607 register_color (pixel
)
610 xassert (pixel
< 256);
611 ++color_count
[pixel
];
615 /* Register color PIXEL as deallocated. */
618 unregister_color (pixel
)
621 xassert (pixel
< 256);
622 if (color_count
[pixel
] > 0)
623 --color_count
[pixel
];
629 /* Register N colors from PIXELS as deallocated. */
632 unregister_colors (pixels
, n
)
633 unsigned long *pixels
;
637 for (i
= 0; i
< n
; ++i
)
638 unregister_color (pixels
[i
]);
642 DEFUN ("dump-colors", Fdump_colors
, Sdump_colors
, 0, 0, 0,
643 doc
: /* Dump currently allocated colors to stderr. */)
648 fputc ('\n', stderr
);
650 for (i
= n
= 0; i
< sizeof color_count
/ sizeof color_count
[0]; ++i
)
653 fprintf (stderr
, "%3d: %5d", i
, color_count
[i
]);
656 fputc ('\n', stderr
);
658 fputc ('\t', stderr
);
662 fputc ('\n', stderr
);
666 #endif /* DEBUG_X_COLORS */
669 /* Free colors used on frame F. PIXELS is an array of NPIXELS pixel
670 color values. Interrupt input must be blocked when this function
674 x_free_colors (f
, pixels
, npixels
)
676 unsigned long *pixels
;
679 int class = FRAME_X_DISPLAY_INFO (f
)->visual
->class;
681 /* If display has an immutable color map, freeing colors is not
682 necessary and some servers don't allow it. So don't do it. */
683 if (class != StaticColor
&& class != StaticGray
&& class != TrueColor
)
685 #ifdef DEBUG_X_COLORS
686 unregister_colors (pixels
, npixels
);
688 XFreeColors (FRAME_X_DISPLAY (f
), FRAME_X_COLORMAP (f
),
694 /* Free colors used on frame F. PIXELS is an array of NPIXELS pixel
695 color values. Interrupt input must be blocked when this function
699 x_free_dpy_colors (dpy
, screen
, cmap
, pixels
, npixels
)
703 unsigned long *pixels
;
706 struct x_display_info
*dpyinfo
= x_display_info_for_display (dpy
);
707 int class = dpyinfo
->visual
->class;
709 /* If display has an immutable color map, freeing colors is not
710 necessary and some servers don't allow it. So don't do it. */
711 if (class != StaticColor
&& class != StaticGray
&& class != TrueColor
)
713 #ifdef DEBUG_X_COLORS
714 unregister_colors (pixels
, npixels
);
716 XFreeColors (dpy
, cmap
, pixels
, npixels
, 0);
721 /* Create and return a GC for use on frame F. GC values and mask
722 are given by XGCV and MASK. */
725 x_create_gc (f
, mask
, xgcv
)
732 gc
= XCreateGC (FRAME_X_DISPLAY (f
), FRAME_X_WINDOW (f
), mask
, xgcv
);
739 /* Free GC which was used on frame F. */
746 eassert (interrupt_input_blocked
);
747 IF_DEBUG (xassert (--ngcs
>= 0));
748 XFreeGC (FRAME_X_DISPLAY (f
), gc
);
751 #endif /* HAVE_X_WINDOWS */
754 /* W32 emulation of GCs */
757 x_create_gc (f
, mask
, xgcv
)
764 gc
= XCreateGC (NULL
, FRAME_W32_WINDOW (f
), mask
, xgcv
);
771 /* Free GC which was used on frame F. */
778 IF_DEBUG (xassert (--ngcs
>= 0));
782 #endif /* WINDOWSNT */
785 /* NS emulation of GCs */
788 x_create_gc (f
, mask
, xgcv
)
793 GC gc
= xmalloc (sizeof (*gc
));
795 bcopy(xgcv
, gc
, sizeof(XGCValues
));
810 /* Mac OS emulation of GCs */
813 x_create_gc (f
, mask
, xgcv
)
820 gc
= XCreateGC (FRAME_MAC_DISPLAY (f
), FRAME_MAC_WINDOW (f
), mask
, xgcv
);
831 eassert (interrupt_input_blocked
);
832 IF_DEBUG (xassert (--ngcs
>= 0));
833 XFreeGC (FRAME_MAC_DISPLAY (f
), gc
);
838 /* Like strcasecmp/stricmp. Used to compare parts of font names which
843 const unsigned char *s1
, *s2
;
847 unsigned char c1
= tolower (*s1
);
848 unsigned char c2
= tolower (*s2
);
850 return c1
< c2
? -1 : 1;
855 return *s2
== 0 ? 0 : -1;
860 /* If FRAME is nil, return a pointer to the selected frame.
861 Otherwise, check that FRAME is a live frame, and return a pointer
862 to it. NPARAM is the parameter number of FRAME, for
863 CHECK_LIVE_FRAME. This is here because it's a frequent pattern in
864 Lisp function definitions. */
866 static INLINE
struct frame
*
867 frame_or_selected_frame (frame
, nparam
)
872 frame
= selected_frame
;
874 CHECK_LIVE_FRAME (frame
);
875 return XFRAME (frame
);
879 /***********************************************************************
881 ***********************************************************************/
883 /* Initialize face cache and basic faces for frame F. */
889 /* Make a face cache, if F doesn't have one. */
890 if (FRAME_FACE_CACHE (f
) == NULL
)
891 FRAME_FACE_CACHE (f
) = make_face_cache (f
);
893 #ifdef HAVE_WINDOW_SYSTEM
894 /* Make the image cache. */
895 if (FRAME_WINDOW_P (f
))
897 if (FRAME_IMAGE_CACHE (f
) == NULL
)
898 /* Is that ever possible?? --Stef */
899 FRAME_IMAGE_CACHE (f
) = make_image_cache ();
900 ++FRAME_IMAGE_CACHE (f
)->refcount
;
902 #endif /* HAVE_WINDOW_SYSTEM */
904 /* Realize basic faces. Must have enough information in frame
905 parameters to realize basic faces at this point. */
906 #ifdef HAVE_X_WINDOWS
907 if (!FRAME_X_P (f
) || FRAME_X_WINDOW (f
))
910 if (!FRAME_WINDOW_P (f
) || FRAME_W32_WINDOW (f
))
913 if (!FRAME_MAC_P (f
) || FRAME_MAC_WINDOW (f
))
916 if (!FRAME_NS_P (f
) || FRAME_NS_WINDOW (f
))
918 if (!realize_basic_faces (f
))
923 /* Free face cache of frame F. Called from Fdelete_frame. */
929 struct face_cache
*face_cache
= FRAME_FACE_CACHE (f
);
933 free_face_cache (face_cache
);
934 FRAME_FACE_CACHE (f
) = NULL
;
937 #ifdef HAVE_WINDOW_SYSTEM
938 if (FRAME_WINDOW_P (f
))
940 struct image_cache
*image_cache
= FRAME_IMAGE_CACHE (f
);
943 --image_cache
->refcount
;
944 if (image_cache
->refcount
== 0)
945 free_image_cache (f
);
948 #endif /* HAVE_WINDOW_SYSTEM */
952 /* Clear face caches, and recompute basic faces for frame F. Call
953 this after changing frame parameters on which those faces depend,
954 or when realized faces have been freed due to changing attributes
958 recompute_basic_faces (f
)
961 if (FRAME_FACE_CACHE (f
))
963 clear_face_cache (0);
964 if (!realize_basic_faces (f
))
970 /* Clear the face caches of all frames. CLEAR_FONTS_P non-zero means
971 try to free unused fonts, too. */
974 clear_face_cache (clear_fonts_p
)
977 #ifdef HAVE_WINDOW_SYSTEM
978 Lisp_Object tail
, frame
;
982 || ++clear_font_table_count
== CLEAR_FONT_TABLE_COUNT
)
985 /* Not yet implemented. */
986 clear_font_cache (frame
);
989 /* From time to time see if we can unload some fonts. This also
990 frees all realized faces on all frames. Fonts needed by
991 faces will be loaded again when faces are realized again. */
992 clear_font_table_count
= 0;
994 FOR_EACH_FRAME (tail
, frame
)
996 struct frame
*f
= XFRAME (frame
);
997 if (FRAME_WINDOW_P (f
)
998 && FRAME_X_DISPLAY_INFO (f
)->n_fonts
> CLEAR_FONT_TABLE_NFONTS
)
999 free_all_realized_faces (frame
);
1004 /* Clear GCs of realized faces. */
1005 FOR_EACH_FRAME (tail
, frame
)
1008 if (FRAME_WINDOW_P (f
))
1009 clear_face_gcs (FRAME_FACE_CACHE (f
));
1011 clear_image_caches (Qnil
);
1013 #endif /* HAVE_WINDOW_SYSTEM */
1017 DEFUN ("clear-face-cache", Fclear_face_cache
, Sclear_face_cache
, 0, 1, 0,
1018 doc
: /* Clear face caches on all frames.
1019 Optional THOROUGHLY non-nil means try to free unused fonts, too. */)
1021 Lisp_Object thoroughly
;
1023 clear_face_cache (!NILP (thoroughly
));
1024 ++face_change_count
;
1025 ++windows_or_buffers_changed
;
1030 /***********************************************************************
1032 ***********************************************************************/
1034 #ifdef HAVE_WINDOW_SYSTEM
1036 DEFUN ("bitmap-spec-p", Fbitmap_spec_p
, Sbitmap_spec_p
, 1, 1, 0,
1037 doc
: /* Value is non-nil if OBJECT is a valid bitmap specification.
1038 A bitmap specification is either a string, a file name, or a list
1039 \(WIDTH HEIGHT DATA) where WIDTH is the pixel width of the bitmap,
1040 HEIGHT is its height, and DATA is a string containing the bits of
1041 the pixmap. Bits are stored row by row, each row occupies
1042 \(WIDTH + 7)/8 bytes. */)
1048 if (STRINGP (object
))
1049 /* If OBJECT is a string, it's a file name. */
1051 else if (CONSP (object
))
1053 /* Otherwise OBJECT must be (WIDTH HEIGHT DATA), WIDTH and
1054 HEIGHT must be integers > 0, and DATA must be string large
1055 enough to hold a bitmap of the specified size. */
1056 Lisp_Object width
, height
, data
;
1058 height
= width
= data
= Qnil
;
1062 width
= XCAR (object
);
1063 object
= XCDR (object
);
1066 height
= XCAR (object
);
1067 object
= XCDR (object
);
1069 data
= XCAR (object
);
1073 if (NATNUMP (width
) && NATNUMP (height
) && STRINGP (data
))
1075 int bytes_per_row
= ((XFASTINT (width
) + BITS_PER_CHAR
- 1)
1077 if (SBYTES (data
) >= bytes_per_row
* XINT (height
))
1082 return pixmap_p
? Qt
: Qnil
;
1086 /* Load a bitmap according to NAME (which is either a file name or a
1087 pixmap spec) for use on frame F. Value is the bitmap_id (see
1088 xfns.c). If NAME is nil, return with a bitmap id of zero. If
1089 bitmap cannot be loaded, display a message saying so, and return
1090 zero. Store the bitmap width in *W_PTR and its height in *H_PTR,
1091 if these pointers are not null. */
1094 load_pixmap (f
, name
, w_ptr
, h_ptr
)
1097 unsigned int *w_ptr
, *h_ptr
;
1104 CHECK_TYPE (!NILP (Fbitmap_spec_p (name
)), Qbitmap_spec_p
, name
);
1109 /* Decode a bitmap spec into a bitmap. */
1114 w
= XINT (Fcar (name
));
1115 h
= XINT (Fcar (Fcdr (name
)));
1116 bits
= Fcar (Fcdr (Fcdr (name
)));
1118 bitmap_id
= x_create_bitmap_from_data (f
, SDATA (bits
),
1123 /* It must be a string -- a file name. */
1124 bitmap_id
= x_create_bitmap_from_file (f
, name
);
1130 add_to_log ("Invalid or undefined bitmap `%s'", name
, Qnil
);
1141 ++npixmaps_allocated
;
1144 *w_ptr
= x_bitmap_width (f
, bitmap_id
);
1147 *h_ptr
= x_bitmap_height (f
, bitmap_id
);
1153 #endif /* HAVE_WINDOW_SYSTEM */
1157 /***********************************************************************
1159 ***********************************************************************/
1161 /* Parse RGB_LIST, and fill in the RGB fields of COLOR.
1162 RGB_LIST should contain (at least) 3 lisp integers.
1163 Return 0 if there's a problem with RGB_LIST, otherwise return 1. */
1166 parse_rgb_list (rgb_list
, color
)
1167 Lisp_Object rgb_list
;
1170 #define PARSE_RGB_LIST_FIELD(field) \
1171 if (CONSP (rgb_list) && INTEGERP (XCAR (rgb_list))) \
1173 color->field = XINT (XCAR (rgb_list)); \
1174 rgb_list = XCDR (rgb_list); \
1179 PARSE_RGB_LIST_FIELD (red
);
1180 PARSE_RGB_LIST_FIELD (green
);
1181 PARSE_RGB_LIST_FIELD (blue
);
1187 /* Lookup on frame F the color described by the lisp string COLOR.
1188 The resulting tty color is returned in TTY_COLOR; if STD_COLOR is
1189 non-zero, then the `standard' definition of the same color is
1193 tty_lookup_color (f
, color
, tty_color
, std_color
)
1196 XColor
*tty_color
, *std_color
;
1198 Lisp_Object frame
, color_desc
;
1200 if (!STRINGP (color
) || NILP (Ffboundp (Qtty_color_desc
)))
1203 XSETFRAME (frame
, f
);
1205 color_desc
= call2 (Qtty_color_desc
, color
, frame
);
1206 if (CONSP (color_desc
) && CONSP (XCDR (color_desc
)))
1210 if (! INTEGERP (XCAR (XCDR (color_desc
))))
1213 tty_color
->pixel
= XINT (XCAR (XCDR (color_desc
)));
1215 rgb
= XCDR (XCDR (color_desc
));
1216 if (! parse_rgb_list (rgb
, tty_color
))
1219 /* Should we fill in STD_COLOR too? */
1222 /* Default STD_COLOR to the same as TTY_COLOR. */
1223 *std_color
= *tty_color
;
1225 /* Do a quick check to see if the returned descriptor is
1226 actually _exactly_ equal to COLOR, otherwise we have to
1227 lookup STD_COLOR separately. If it's impossible to lookup
1228 a standard color, we just give up and use TTY_COLOR. */
1229 if ((!STRINGP (XCAR (color_desc
))
1230 || NILP (Fstring_equal (color
, XCAR (color_desc
))))
1231 && !NILP (Ffboundp (Qtty_color_standard_values
)))
1233 /* Look up STD_COLOR separately. */
1234 rgb
= call1 (Qtty_color_standard_values
, color
);
1235 if (! parse_rgb_list (rgb
, std_color
))
1242 else if (NILP (Fsymbol_value (intern ("tty-defined-color-alist"))))
1243 /* We were called early during startup, and the colors are not
1244 yet set up in tty-defined-color-alist. Don't return a failure
1245 indication, since this produces the annoying "Unable to
1246 load color" messages in the *Messages* buffer. */
1249 /* tty-color-desc seems to have returned a bad value. */
1253 /* A version of defined_color for non-X frames. */
1256 tty_defined_color (f
, color_name
, color_def
, alloc
)
1265 color_def
->pixel
= FACE_TTY_DEFAULT_COLOR
;
1267 color_def
->blue
= 0;
1268 color_def
->green
= 0;
1271 status
= tty_lookup_color (f
, build_string (color_name
), color_def
, NULL
);
1273 if (color_def
->pixel
== FACE_TTY_DEFAULT_COLOR
&& *color_name
)
1275 if (strcmp (color_name
, "unspecified-fg") == 0)
1276 color_def
->pixel
= FACE_TTY_DEFAULT_FG_COLOR
;
1277 else if (strcmp (color_name
, "unspecified-bg") == 0)
1278 color_def
->pixel
= FACE_TTY_DEFAULT_BG_COLOR
;
1281 if (color_def
->pixel
!= FACE_TTY_DEFAULT_COLOR
)
1288 /* Decide if color named COLOR_NAME is valid for the display
1289 associated with the frame F; if so, return the rgb values in
1290 COLOR_DEF. If ALLOC is nonzero, allocate a new colormap cell.
1292 This does the right thing for any type of frame. */
1295 defined_color (f
, color_name
, color_def
, alloc
)
1301 if (!FRAME_WINDOW_P (f
))
1302 return tty_defined_color (f
, color_name
, color_def
, alloc
);
1303 #ifdef HAVE_X_WINDOWS
1304 else if (FRAME_X_P (f
))
1305 return x_defined_color (f
, color_name
, color_def
, alloc
);
1308 else if (FRAME_W32_P (f
))
1309 return w32_defined_color (f
, color_name
, color_def
, alloc
);
1312 else if (FRAME_MAC_P (f
))
1313 return mac_defined_color (f
, color_name
, color_def
, alloc
);
1316 else if (FRAME_NS_P (f
))
1317 return ns_defined_color (f
, color_name
, color_def
, alloc
, 1);
1324 /* Given the index IDX of a tty color on frame F, return its name, a
1328 tty_color_name (f
, idx
)
1332 if (idx
>= 0 && !NILP (Ffboundp (Qtty_color_by_index
)))
1335 Lisp_Object coldesc
;
1337 XSETFRAME (frame
, f
);
1338 coldesc
= call2 (Qtty_color_by_index
, make_number (idx
), frame
);
1340 if (!NILP (coldesc
))
1341 return XCAR (coldesc
);
1344 /* We can have an MSDOG frame under -nw for a short window of
1345 opportunity before internal_terminal_init is called. DTRT. */
1346 if (FRAME_MSDOS_P (f
) && !inhibit_window_system
)
1347 return msdos_stdcolor_name (idx
);
1350 if (idx
== FACE_TTY_DEFAULT_FG_COLOR
)
1351 return build_string (unspecified_fg
);
1352 if (idx
== FACE_TTY_DEFAULT_BG_COLOR
)
1353 return build_string (unspecified_bg
);
1355 return Qunspecified
;
1359 /* Return non-zero if COLOR_NAME is a shade of gray (or white or
1362 The criterion implemented here is not a terribly sophisticated one. */
1365 face_color_gray_p (f
, color_name
)
1372 if (defined_color (f
, color_name
, &color
, 0))
1373 gray_p
= (/* Any color sufficiently close to black counts as grey. */
1374 (color
.red
< 5000 && color
.green
< 5000 && color
.blue
< 5000)
1376 ((eabs (color
.red
- color
.green
)
1377 < max (color
.red
, color
.green
) / 20)
1378 && (eabs (color
.green
- color
.blue
)
1379 < max (color
.green
, color
.blue
) / 20)
1380 && (eabs (color
.blue
- color
.red
)
1381 < max (color
.blue
, color
.red
) / 20)));
1389 /* Return non-zero if color COLOR_NAME can be displayed on frame F.
1390 BACKGROUND_P non-zero means the color will be used as background
1394 face_color_supported_p (f
, color_name
, background_p
)
1402 XSETFRAME (frame
, f
);
1404 #ifdef HAVE_WINDOW_SYSTEM
1406 ? (!NILP (Fxw_display_color_p (frame
))
1407 || xstrcasecmp (color_name
, "black") == 0
1408 || xstrcasecmp (color_name
, "white") == 0
1410 && face_color_gray_p (f
, color_name
))
1411 || (!NILP (Fx_display_grayscale_p (frame
))
1412 && face_color_gray_p (f
, color_name
)))
1415 tty_defined_color (f
, color_name
, ¬_used
, 0);
1419 DEFUN ("color-gray-p", Fcolor_gray_p
, Scolor_gray_p
, 1, 2, 0,
1420 doc
: /* Return non-nil if COLOR is a shade of gray (or white or black).
1421 FRAME specifies the frame and thus the display for interpreting COLOR.
1422 If FRAME is nil or omitted, use the selected frame. */)
1424 Lisp_Object color
, frame
;
1428 CHECK_STRING (color
);
1430 frame
= selected_frame
;
1432 CHECK_FRAME (frame
);
1434 return face_color_gray_p (f
, SDATA (color
)) ? Qt
: Qnil
;
1438 DEFUN ("color-supported-p", Fcolor_supported_p
,
1439 Scolor_supported_p
, 1, 3, 0,
1440 doc
: /* Return non-nil if COLOR can be displayed on FRAME.
1441 BACKGROUND-P non-nil means COLOR is used as a background.
1442 Otherwise, this function tells whether it can be used as a foreground.
1443 If FRAME is nil or omitted, use the selected frame.
1444 COLOR must be a valid color name. */)
1445 (color
, frame
, background_p
)
1446 Lisp_Object frame
, color
, background_p
;
1450 CHECK_STRING (color
);
1452 frame
= selected_frame
;
1454 CHECK_FRAME (frame
);
1456 if (face_color_supported_p (f
, SDATA (color
), !NILP (background_p
)))
1462 /* Load color with name NAME for use by face FACE on frame F.
1463 TARGET_INDEX must be one of LFACE_FOREGROUND_INDEX,
1464 LFACE_BACKGROUND_INDEX, LFACE_UNDERLINE_INDEX, LFACE_OVERLINE_INDEX,
1465 LFACE_STRIKE_THROUGH_INDEX, or LFACE_BOX_INDEX. Value is the
1466 pixel color. If color cannot be loaded, display a message, and
1467 return the foreground, background or underline color of F, but
1468 record that fact in flags of the face so that we don't try to free
1472 load_color (f
, face
, name
, target_index
)
1476 enum lface_attribute_index target_index
;
1480 xassert (STRINGP (name
));
1481 xassert (target_index
== LFACE_FOREGROUND_INDEX
1482 || target_index
== LFACE_BACKGROUND_INDEX
1483 || target_index
== LFACE_UNDERLINE_INDEX
1484 || target_index
== LFACE_OVERLINE_INDEX
1485 || target_index
== LFACE_STRIKE_THROUGH_INDEX
1486 || target_index
== LFACE_BOX_INDEX
);
1488 /* if the color map is full, defined_color will return a best match
1489 to the values in an existing cell. */
1490 if (!defined_color (f
, SDATA (name
), &color
, 1))
1492 add_to_log ("Unable to load color \"%s\"", name
, Qnil
);
1494 switch (target_index
)
1496 case LFACE_FOREGROUND_INDEX
:
1497 face
->foreground_defaulted_p
= 1;
1498 color
.pixel
= FRAME_FOREGROUND_PIXEL (f
);
1501 case LFACE_BACKGROUND_INDEX
:
1502 face
->background_defaulted_p
= 1;
1503 color
.pixel
= FRAME_BACKGROUND_PIXEL (f
);
1506 case LFACE_UNDERLINE_INDEX
:
1507 face
->underline_defaulted_p
= 1;
1508 color
.pixel
= FRAME_FOREGROUND_PIXEL (f
);
1511 case LFACE_OVERLINE_INDEX
:
1512 face
->overline_color_defaulted_p
= 1;
1513 color
.pixel
= FRAME_FOREGROUND_PIXEL (f
);
1516 case LFACE_STRIKE_THROUGH_INDEX
:
1517 face
->strike_through_color_defaulted_p
= 1;
1518 color
.pixel
= FRAME_FOREGROUND_PIXEL (f
);
1521 case LFACE_BOX_INDEX
:
1522 face
->box_color_defaulted_p
= 1;
1523 color
.pixel
= FRAME_FOREGROUND_PIXEL (f
);
1532 ++ncolors_allocated
;
1539 #ifdef HAVE_WINDOW_SYSTEM
1541 /* Load colors for face FACE which is used on frame F. Colors are
1542 specified by slots LFACE_BACKGROUND_INDEX and LFACE_FOREGROUND_INDEX
1543 of ATTRS. If the background color specified is not supported on F,
1544 try to emulate gray colors with a stipple from Vface_default_stipple. */
1547 load_face_colors (f
, face
, attrs
)
1554 bg
= attrs
[LFACE_BACKGROUND_INDEX
];
1555 fg
= attrs
[LFACE_FOREGROUND_INDEX
];
1557 /* Swap colors if face is inverse-video. */
1558 if (EQ (attrs
[LFACE_INVERSE_INDEX
], Qt
))
1566 /* Check for support for foreground, not for background because
1567 face_color_supported_p is smart enough to know that grays are
1568 "supported" as background because we are supposed to use stipple
1570 if (!face_color_supported_p (f
, SDATA (bg
), 0)
1571 && !NILP (Fbitmap_spec_p (Vface_default_stipple
)))
1573 x_destroy_bitmap (f
, face
->stipple
);
1574 face
->stipple
= load_pixmap (f
, Vface_default_stipple
,
1575 &face
->pixmap_w
, &face
->pixmap_h
);
1578 face
->background
= load_color (f
, face
, bg
, LFACE_BACKGROUND_INDEX
);
1579 face
->foreground
= load_color (f
, face
, fg
, LFACE_FOREGROUND_INDEX
);
1583 /* Free color PIXEL on frame F. */
1586 unload_color (f
, pixel
)
1588 unsigned long pixel
;
1590 #ifdef HAVE_X_WINDOWS
1594 x_free_colors (f
, &pixel
, 1);
1601 /* Free colors allocated for FACE. */
1604 free_face_colors (f
, face
)
1608 /* PENDING(NS): need to do something here? */
1609 #ifdef HAVE_X_WINDOWS
1610 if (face
->colors_copied_bitwise_p
)
1615 if (!face
->foreground_defaulted_p
)
1617 x_free_colors (f
, &face
->foreground
, 1);
1618 IF_DEBUG (--ncolors_allocated
);
1621 if (!face
->background_defaulted_p
)
1623 x_free_colors (f
, &face
->background
, 1);
1624 IF_DEBUG (--ncolors_allocated
);
1627 if (face
->underline_p
1628 && !face
->underline_defaulted_p
)
1630 x_free_colors (f
, &face
->underline_color
, 1);
1631 IF_DEBUG (--ncolors_allocated
);
1634 if (face
->overline_p
1635 && !face
->overline_color_defaulted_p
)
1637 x_free_colors (f
, &face
->overline_color
, 1);
1638 IF_DEBUG (--ncolors_allocated
);
1641 if (face
->strike_through_p
1642 && !face
->strike_through_color_defaulted_p
)
1644 x_free_colors (f
, &face
->strike_through_color
, 1);
1645 IF_DEBUG (--ncolors_allocated
);
1648 if (face
->box
!= FACE_NO_BOX
1649 && !face
->box_color_defaulted_p
)
1651 x_free_colors (f
, &face
->box_color
, 1);
1652 IF_DEBUG (--ncolors_allocated
);
1656 #endif /* HAVE_X_WINDOWS */
1659 #endif /* HAVE_WINDOW_SYSTEM */
1663 /***********************************************************************
1665 ***********************************************************************/
1667 /* An enumerator for each field of an XLFD font name. */
1688 /* An enumerator for each possible slant value of a font. Taken from
1689 the XLFD specification. */
1697 XLFD_SLANT_REVERSE_ITALIC
,
1698 XLFD_SLANT_REVERSE_OBLIQUE
,
1702 /* Relative font weight according to XLFD documentation. */
1706 XLFD_WEIGHT_UNKNOWN
,
1707 XLFD_WEIGHT_ULTRA_LIGHT
, /* 10 */
1708 XLFD_WEIGHT_EXTRA_LIGHT
, /* 20 */
1709 XLFD_WEIGHT_LIGHT
, /* 30 */
1710 XLFD_WEIGHT_SEMI_LIGHT
, /* 40: SemiLight, Book, ... */
1711 XLFD_WEIGHT_MEDIUM
, /* 50: Medium, Normal, Regular, ... */
1712 XLFD_WEIGHT_SEMI_BOLD
, /* 60: SemiBold, DemiBold, ... */
1713 XLFD_WEIGHT_BOLD
, /* 70: Bold, ... */
1714 XLFD_WEIGHT_EXTRA_BOLD
, /* 80: ExtraBold, Heavy, ... */
1715 XLFD_WEIGHT_ULTRA_BOLD
/* 90: UltraBold, Black, ... */
1718 /* Relative proportionate width. */
1722 XLFD_SWIDTH_UNKNOWN
,
1723 XLFD_SWIDTH_ULTRA_CONDENSED
, /* 10 */
1724 XLFD_SWIDTH_EXTRA_CONDENSED
, /* 20 */
1725 XLFD_SWIDTH_CONDENSED
, /* 30: Condensed, Narrow, Compressed, ... */
1726 XLFD_SWIDTH_SEMI_CONDENSED
, /* 40: semicondensed */
1727 XLFD_SWIDTH_MEDIUM
, /* 50: Medium, Normal, Regular, ... */
1728 XLFD_SWIDTH_SEMI_EXPANDED
, /* 60: SemiExpanded, DemiExpanded, ... */
1729 XLFD_SWIDTH_EXPANDED
, /* 70: Expanded... */
1730 XLFD_SWIDTH_EXTRA_EXPANDED
, /* 80: ExtraExpanded, Wide... */
1731 XLFD_SWIDTH_ULTRA_EXPANDED
/* 90: UltraExpanded... */
1734 /* Order by which font selection chooses fonts. The default values
1735 mean `first, find a best match for the font width, then for the
1736 font height, then for weight, then for slant.' This variable can be
1737 set via set-face-font-sort-order. */
1740 static int font_sort_order
[4] = {
1741 XLFD_SWIDTH
, XLFD_POINT_SIZE
, XLFD_WEIGHT
, XLFD_SLANT
1744 static int font_sort_order
[4];
1748 #ifdef HAVE_WINDOW_SYSTEM
1750 /* Return a rescaling ratio of a font of NAME. */
1753 font_rescale_ratio (name
)
1756 Lisp_Object tail
, elt
;
1758 for (tail
= Vface_font_rescale_alist
; CONSP (tail
); tail
= XCDR (tail
))
1761 if (STRINGP (XCAR (elt
)) && FLOATP (XCDR (elt
))
1762 && fast_c_string_match_ignore_case (XCAR (elt
), name
) >= 0)
1763 return XFLOAT_DATA (XCDR (elt
));
1768 static enum font_property_index font_props_for_sorting
[FONT_SIZE_INDEX
];
1771 compare_fonts_by_sort_order (v1
, v2
)
1772 const void *v1
, *v2
;
1774 Lisp_Object font1
= *(Lisp_Object
*) v1
;
1775 Lisp_Object font2
= *(Lisp_Object
*) v2
;
1778 for (i
= 0; i
< FONT_SIZE_INDEX
; i
++)
1780 enum font_property_index idx
= font_props_for_sorting
[i
];
1781 Lisp_Object val1
= AREF (font1
, idx
), val2
= AREF (font2
, idx
);
1784 if (idx
<= FONT_REGISTRY_INDEX
)
1787 result
= STRINGP (val2
) ? strcmp (SDATA (val1
), SDATA (val2
)) : -1;
1789 result
= STRINGP (val2
) ? 1 : 0;
1793 if (INTEGERP (val1
))
1794 result
= INTEGERP (val2
) ? XINT (val1
) - XINT (val2
) : -1;
1796 result
= INTEGERP (val2
) ? 1 : 0;
1804 DEFUN ("x-family-fonts", Fx_family_fonts
, Sx_family_fonts
, 0, 2, 0,
1805 doc
: /* Return a list of available fonts of family FAMILY on FRAME.
1806 If FAMILY is omitted or nil, list all families.
1807 Otherwise, FAMILY must be a string, possibly containing wildcards
1809 If FRAME is omitted or nil, use the selected frame.
1810 Each element of the result is a vector [FAMILY WIDTH POINT-SIZE WEIGHT
1811 SLANT FIXED-P FULL REGISTRY-AND-ENCODING].
1812 FAMILY is the font family name. POINT-SIZE is the size of the
1813 font in 1/10 pt. WIDTH, WEIGHT, and SLANT are symbols describing the
1814 width, weight and slant of the font. These symbols are the same as for
1815 face attributes. FIXED-P is non-nil if the font is fixed-pitch.
1816 FULL is the full name of the font, and REGISTRY-AND-ENCODING is a string
1817 giving the registry and encoding of the font.
1818 The result list is sorted according to the current setting of
1819 the face font sort order. */)
1821 Lisp_Object family
, frame
;
1823 Lisp_Object font_spec
, vec
;
1828 frame
= selected_frame
;
1829 CHECK_LIVE_FRAME (frame
);
1831 font_spec
= Ffont_spec (0, NULL
);
1834 CHECK_STRING (family
);
1835 font_parse_family_registry (family
, Qnil
, font_spec
);
1837 vec
= font_list_entities (frame
, font_spec
);
1838 nfonts
= ASIZE (vec
);
1843 for (i
= 0; i
< 4; i
++)
1844 switch (font_sort_order
[i
])
1847 font_props_for_sorting
[i
] = FONT_WIDTH_INDEX
; break;
1848 case XLFD_POINT_SIZE
:
1849 font_props_for_sorting
[i
] = FONT_SIZE_INDEX
; break;
1851 font_props_for_sorting
[i
] = FONT_WEIGHT_INDEX
; break;
1853 font_props_for_sorting
[i
] = FONT_SLANT_INDEX
; break;
1855 font_props_for_sorting
[i
++] = FONT_FAMILY_INDEX
;
1856 font_props_for_sorting
[i
++] = FONT_FOUNDRY_INDEX
;
1857 font_props_for_sorting
[i
++] = FONT_ADSTYLE_INDEX
;
1858 font_props_for_sorting
[i
++] = FONT_REGISTRY_INDEX
;
1860 qsort (XVECTOR (vec
)->contents
, nfonts
, sizeof (Lisp_Object
),
1861 compare_fonts_by_sort_order
);
1865 for (i
= nfonts
- 1; i
>= 0; --i
)
1867 Lisp_Object font
= AREF (vec
, i
);
1868 Lisp_Object v
= Fmake_vector (make_number (8), Qnil
);
1870 Lisp_Object spacing
;
1872 ASET (v
, 0, AREF (font
, FONT_FAMILY_INDEX
));
1873 ASET (v
, 1, FONT_WIDTH_SYMBOLIC (font
));
1874 point
= PIXEL_TO_POINT (XINT (AREF (font
, FONT_SIZE_INDEX
)) * 10,
1875 XFRAME (frame
)->resy
);
1876 ASET (v
, 2, make_number (point
));
1877 ASET (v
, 3, FONT_WEIGHT_SYMBOLIC (font
));
1878 ASET (v
, 4, FONT_SLANT_SYMBOLIC (font
));
1879 spacing
= Ffont_get (font
, QCspacing
);
1880 ASET (v
, 5, (NILP (spacing
) || EQ (spacing
, Qp
)) ? Qnil
: Qt
);
1881 ASET (v
, 6, Ffont_xlfd_name (font
, Qnil
));
1882 ASET (v
, 7, AREF (font
, FONT_REGISTRY_INDEX
));
1884 result
= Fcons (v
, result
);
1891 DEFUN ("x-font-family-list", Fx_font_family_list
, Sx_font_family_list
,
1893 doc
: /* Return a list of available font families on FRAME.
1894 If FRAME is omitted or nil, use the selected frame.
1895 Value is a list of conses (FAMILY . FIXED-P) where FAMILY
1896 is a font family, and FIXED-P is non-nil if fonts of that family
1897 are fixed-pitch. */)
1901 return Ffont_family_list (frame
);
1905 DEFUN ("x-list-fonts", Fx_list_fonts
, Sx_list_fonts
, 1, 5, 0,
1906 doc
: /* Return a list of the names of available fonts matching PATTERN.
1907 If optional arguments FACE and FRAME are specified, return only fonts
1908 the same size as FACE on FRAME.
1909 PATTERN is a string, perhaps with wildcard characters;
1910 the * character matches any substring, and
1911 the ? character matches any single character.
1912 PATTERN is case-insensitive.
1913 FACE is a face name--a symbol.
1915 The return value is a list of strings, suitable as arguments to
1918 Fonts Emacs can't use may or may not be excluded
1919 even if they match PATTERN and FACE.
1920 The optional fourth argument MAXIMUM sets a limit on how many
1921 fonts to match. The first MAXIMUM fonts are reported.
1922 The optional fifth argument WIDTH, if specified, is a number of columns
1923 occupied by a character of a font. In that case, return only fonts
1924 the WIDTH times as wide as FACE on FRAME. */)
1925 (pattern
, face
, frame
, maximum
, width
)
1926 Lisp_Object pattern
, face
, frame
, maximum
, width
;
1932 CHECK_STRING (pattern
);
1934 if (! NILP (maximum
))
1935 CHECK_NATNUM (maximum
);
1938 CHECK_NUMBER (width
);
1940 /* We can't simply call check_x_frame because this function may be
1941 called before any frame is created. */
1943 frame
= selected_frame
;
1944 f
= frame_or_selected_frame (frame
, 2);
1945 if (! FRAME_WINDOW_P (f
))
1947 /* Perhaps we have not yet created any frame. */
1953 /* Determine the width standard for comparison with the fonts we find. */
1959 /* This is of limited utility since it works with character
1960 widths. Keep it for compatibility. --gerd. */
1961 int face_id
= lookup_named_face (f
, face
, 0);
1962 struct face
*face
= (face_id
< 0
1964 : FACE_FROM_ID (f
, face_id
));
1966 if (face
&& face
->font
)
1968 size
= face
->font
->pixel_size
;
1969 avgwidth
= face
->font
->average_width
;
1973 size
= FRAME_FONT (f
)->pixel_size
;
1974 avgwidth
= FRAME_FONT (f
)->average_width
;
1977 avgwidth
*= XINT (width
);
1981 Lisp_Object font_spec
;
1982 Lisp_Object args
[2], tail
;
1984 font_spec
= font_spec_from_name (pattern
);
1987 Ffont_put (font_spec
, QCsize
, make_number (size
));
1988 Ffont_put (font_spec
, QCavgwidth
, make_number (avgwidth
));
1990 args
[0] = Flist_fonts (font_spec
, frame
, maximum
, font_spec
);
1991 for (tail
= args
[0]; CONSP (tail
); tail
= XCDR (tail
))
1992 XSETCAR (tail
, Ffont_xlfd_name (XCAR (tail
), Qnil
));
1994 /* We don't have to check fontsets. */
1996 args
[1] = list_fontsets (f
, pattern
, size
);
1997 return Fnconc (2, args
);
2001 #endif /* HAVE_WINDOW_SYSTEM */
2005 /***********************************************************************
2007 ***********************************************************************/
2009 /* Access face attributes of face LFACE, a Lisp vector. */
2011 #define LFACE_FAMILY(LFACE) AREF ((LFACE), LFACE_FAMILY_INDEX)
2012 #define LFACE_FOUNDRY(LFACE) AREF ((LFACE), LFACE_FOUNDRY_INDEX)
2013 #define LFACE_HEIGHT(LFACE) AREF ((LFACE), LFACE_HEIGHT_INDEX)
2014 #define LFACE_WEIGHT(LFACE) AREF ((LFACE), LFACE_WEIGHT_INDEX)
2015 #define LFACE_SLANT(LFACE) AREF ((LFACE), LFACE_SLANT_INDEX)
2016 #define LFACE_UNDERLINE(LFACE) AREF ((LFACE), LFACE_UNDERLINE_INDEX)
2017 #define LFACE_INVERSE(LFACE) AREF ((LFACE), LFACE_INVERSE_INDEX)
2018 #define LFACE_FOREGROUND(LFACE) AREF ((LFACE), LFACE_FOREGROUND_INDEX)
2019 #define LFACE_BACKGROUND(LFACE) AREF ((LFACE), LFACE_BACKGROUND_INDEX)
2020 #define LFACE_STIPPLE(LFACE) AREF ((LFACE), LFACE_STIPPLE_INDEX)
2021 #define LFACE_SWIDTH(LFACE) AREF ((LFACE), LFACE_SWIDTH_INDEX)
2022 #define LFACE_OVERLINE(LFACE) AREF ((LFACE), LFACE_OVERLINE_INDEX)
2023 #define LFACE_STRIKE_THROUGH(LFACE) AREF ((LFACE), LFACE_STRIKE_THROUGH_INDEX)
2024 #define LFACE_BOX(LFACE) AREF ((LFACE), LFACE_BOX_INDEX)
2025 #define LFACE_FONT(LFACE) AREF ((LFACE), LFACE_FONT_INDEX)
2026 #define LFACE_INHERIT(LFACE) AREF ((LFACE), LFACE_INHERIT_INDEX)
2027 #define LFACE_FONTSET(LFACE) AREF ((LFACE), LFACE_FONTSET_INDEX)
2029 /* Non-zero if LFACE is a Lisp face. A Lisp face is a vector of size
2030 LFACE_VECTOR_SIZE which has the symbol `face' in slot 0. */
2032 #define LFACEP(LFACE) \
2034 && XVECTOR (LFACE)->size == LFACE_VECTOR_SIZE \
2035 && EQ (AREF (LFACE, 0), Qface))
2040 /* Check consistency of Lisp face attribute vector ATTRS. */
2043 check_lface_attrs (attrs
)
2046 xassert (UNSPECIFIEDP (attrs
[LFACE_FAMILY_INDEX
])
2047 || IGNORE_DEFFACE_P (attrs
[LFACE_FAMILY_INDEX
])
2048 || STRINGP (attrs
[LFACE_FAMILY_INDEX
]));
2049 xassert (UNSPECIFIEDP (attrs
[LFACE_FOUNDRY_INDEX
])
2050 || IGNORE_DEFFACE_P (attrs
[LFACE_FOUNDRY_INDEX
])
2051 || STRINGP (attrs
[LFACE_FOUNDRY_INDEX
]));
2052 xassert (UNSPECIFIEDP (attrs
[LFACE_SWIDTH_INDEX
])
2053 || IGNORE_DEFFACE_P (attrs
[LFACE_SWIDTH_INDEX
])
2054 || SYMBOLP (attrs
[LFACE_SWIDTH_INDEX
]));
2055 xassert (UNSPECIFIEDP (attrs
[LFACE_HEIGHT_INDEX
])
2056 || IGNORE_DEFFACE_P (attrs
[LFACE_HEIGHT_INDEX
])
2057 || INTEGERP (attrs
[LFACE_HEIGHT_INDEX
])
2058 || FLOATP (attrs
[LFACE_HEIGHT_INDEX
])
2059 || FUNCTIONP (attrs
[LFACE_HEIGHT_INDEX
]));
2060 xassert (UNSPECIFIEDP (attrs
[LFACE_WEIGHT_INDEX
])
2061 || IGNORE_DEFFACE_P (attrs
[LFACE_WEIGHT_INDEX
])
2062 || SYMBOLP (attrs
[LFACE_WEIGHT_INDEX
]));
2063 xassert (UNSPECIFIEDP (attrs
[LFACE_SLANT_INDEX
])
2064 || IGNORE_DEFFACE_P (attrs
[LFACE_SLANT_INDEX
])
2065 || SYMBOLP (attrs
[LFACE_SLANT_INDEX
]));
2066 xassert (UNSPECIFIEDP (attrs
[LFACE_UNDERLINE_INDEX
])
2067 || IGNORE_DEFFACE_P (attrs
[LFACE_UNDERLINE_INDEX
])
2068 || SYMBOLP (attrs
[LFACE_UNDERLINE_INDEX
])
2069 || STRINGP (attrs
[LFACE_UNDERLINE_INDEX
]));
2070 xassert (UNSPECIFIEDP (attrs
[LFACE_OVERLINE_INDEX
])
2071 || IGNORE_DEFFACE_P (attrs
[LFACE_OVERLINE_INDEX
])
2072 || SYMBOLP (attrs
[LFACE_OVERLINE_INDEX
])
2073 || STRINGP (attrs
[LFACE_OVERLINE_INDEX
]));
2074 xassert (UNSPECIFIEDP (attrs
[LFACE_STRIKE_THROUGH_INDEX
])
2075 || IGNORE_DEFFACE_P (attrs
[LFACE_STRIKE_THROUGH_INDEX
])
2076 || SYMBOLP (attrs
[LFACE_STRIKE_THROUGH_INDEX
])
2077 || STRINGP (attrs
[LFACE_STRIKE_THROUGH_INDEX
]));
2078 xassert (UNSPECIFIEDP (attrs
[LFACE_BOX_INDEX
])
2079 || IGNORE_DEFFACE_P (attrs
[LFACE_BOX_INDEX
])
2080 || SYMBOLP (attrs
[LFACE_BOX_INDEX
])
2081 || STRINGP (attrs
[LFACE_BOX_INDEX
])
2082 || INTEGERP (attrs
[LFACE_BOX_INDEX
])
2083 || CONSP (attrs
[LFACE_BOX_INDEX
]));
2084 xassert (UNSPECIFIEDP (attrs
[LFACE_INVERSE_INDEX
])
2085 || IGNORE_DEFFACE_P (attrs
[LFACE_INVERSE_INDEX
])
2086 || SYMBOLP (attrs
[LFACE_INVERSE_INDEX
]));
2087 xassert (UNSPECIFIEDP (attrs
[LFACE_FOREGROUND_INDEX
])
2088 || IGNORE_DEFFACE_P (attrs
[LFACE_FOREGROUND_INDEX
])
2089 || STRINGP (attrs
[LFACE_FOREGROUND_INDEX
]));
2090 xassert (UNSPECIFIEDP (attrs
[LFACE_BACKGROUND_INDEX
])
2091 || IGNORE_DEFFACE_P (attrs
[LFACE_BACKGROUND_INDEX
])
2092 || STRINGP (attrs
[LFACE_BACKGROUND_INDEX
]));
2093 xassert (UNSPECIFIEDP (attrs
[LFACE_INHERIT_INDEX
])
2094 || IGNORE_DEFFACE_P (attrs
[LFACE_INHERIT_INDEX
])
2095 || NILP (attrs
[LFACE_INHERIT_INDEX
])
2096 || SYMBOLP (attrs
[LFACE_INHERIT_INDEX
])
2097 || CONSP (attrs
[LFACE_INHERIT_INDEX
]));
2098 #ifdef HAVE_WINDOW_SYSTEM
2099 xassert (UNSPECIFIEDP (attrs
[LFACE_STIPPLE_INDEX
])
2100 || IGNORE_DEFFACE_P (attrs
[LFACE_STIPPLE_INDEX
])
2101 || SYMBOLP (attrs
[LFACE_STIPPLE_INDEX
])
2102 || !NILP (Fbitmap_spec_p (attrs
[LFACE_STIPPLE_INDEX
])));
2103 xassert (UNSPECIFIEDP (attrs
[LFACE_FONT_INDEX
])
2104 || IGNORE_DEFFACE_P (attrs
[LFACE_FONT_INDEX
])
2105 || FONTP (attrs
[LFACE_FONT_INDEX
]));
2106 xassert (UNSPECIFIEDP (attrs
[LFACE_FONTSET_INDEX
])
2107 || STRINGP (attrs
[LFACE_FONTSET_INDEX
]));
2112 /* Check consistency of attributes of Lisp face LFACE (a Lisp vector). */
2120 xassert (LFACEP (lface
));
2121 check_lface_attrs (XVECTOR (lface
)->contents
);
2125 #else /* GLYPH_DEBUG == 0 */
2127 #define check_lface_attrs(attrs) (void) 0
2128 #define check_lface(lface) (void) 0
2130 #endif /* GLYPH_DEBUG == 0 */
2134 /* Face-merge cycle checking. */
2136 enum named_merge_point_kind
2138 NAMED_MERGE_POINT_NORMAL
,
2139 NAMED_MERGE_POINT_REMAP
2142 /* A `named merge point' is simply a point during face-merging where we
2143 look up a face by name. We keep a stack of which named lookups we're
2144 currently processing so that we can easily detect cycles, using a
2145 linked- list of struct named_merge_point structures, typically
2146 allocated on the stack frame of the named lookup functions which are
2147 active (so no consing is required). */
2148 struct named_merge_point
2150 Lisp_Object face_name
;
2151 enum named_merge_point_kind named_merge_point_kind
;
2152 struct named_merge_point
*prev
;
2156 /* If a face merging cycle is detected for FACE_NAME, return 0,
2157 otherwise add NEW_NAMED_MERGE_POINT, which is initialized using
2158 FACE_NAME and NAMED_MERGE_POINT_KIND, as the head of the linked list
2159 pointed to by NAMED_MERGE_POINTS, and return 1. */
2162 push_named_merge_point (struct named_merge_point
*new_named_merge_point
,
2163 Lisp_Object face_name
,
2164 enum named_merge_point_kind named_merge_point_kind
,
2165 struct named_merge_point
**named_merge_points
)
2167 struct named_merge_point
*prev
;
2169 for (prev
= *named_merge_points
; prev
; prev
= prev
->prev
)
2170 if (EQ (face_name
, prev
->face_name
))
2172 if (prev
->named_merge_point_kind
== named_merge_point_kind
)
2173 /* A cycle, so fail. */
2175 else if (prev
->named_merge_point_kind
== NAMED_MERGE_POINT_REMAP
)
2176 /* A remap `hides ' any previous normal merge points
2177 (because the remap means that it's actually different face),
2178 so as we know the current merge point must be normal, we
2179 can just assume it's OK. */
2183 new_named_merge_point
->face_name
= face_name
;
2184 new_named_merge_point
->named_merge_point_kind
= named_merge_point_kind
;
2185 new_named_merge_point
->prev
= *named_merge_points
;
2187 *named_merge_points
= new_named_merge_point
;
2194 #if 0 /* Seems to be unused. */
2196 internal_resolve_face_name (nargs
, args
)
2200 return Fget (args
[0], args
[1]);
2204 resolve_face_name_error (ignore
)
2211 /* Resolve face name FACE_NAME. If FACE_NAME is a string, intern it
2212 to make it a symbol. If FACE_NAME is an alias for another face,
2213 return that face's name.
2215 Return default face in case of errors. */
2218 resolve_face_name (face_name
, signal_p
)
2219 Lisp_Object face_name
;
2222 Lisp_Object orig_face
;
2223 Lisp_Object tortoise
, hare
;
2225 if (STRINGP (face_name
))
2226 face_name
= intern (SDATA (face_name
));
2228 if (NILP (face_name
) || !SYMBOLP (face_name
))
2231 orig_face
= face_name
;
2232 tortoise
= hare
= face_name
;
2237 hare
= Fget (hare
, Qface_alias
);
2238 if (NILP (hare
) || !SYMBOLP (hare
))
2242 hare
= Fget (hare
, Qface_alias
);
2243 if (NILP (hare
) || !SYMBOLP (hare
))
2246 tortoise
= Fget (tortoise
, Qface_alias
);
2247 if (EQ (hare
, tortoise
))
2250 xsignal1 (Qcircular_list
, orig_face
);
2259 /* Return the face definition of FACE_NAME on frame F. F null means
2260 return the definition for new frames. FACE_NAME may be a string or
2261 a symbol (apparently Emacs 20.2 allowed strings as face names in
2262 face text properties; Ediff uses that). If SIGNAL_P is non-zero,
2263 signal an error if FACE_NAME is not a valid face name. If SIGNAL_P
2264 is zero, value is nil if FACE_NAME is not a valid face name. */
2265 static INLINE Lisp_Object
2266 lface_from_face_name_no_resolve (f
, face_name
, signal_p
)
2268 Lisp_Object face_name
;
2274 lface
= assq_no_quit (face_name
, f
->face_alist
);
2276 lface
= assq_no_quit (face_name
, Vface_new_frame_defaults
);
2279 lface
= XCDR (lface
);
2281 signal_error ("Invalid face", face_name
);
2283 check_lface (lface
);
2288 /* Return the face definition of FACE_NAME on frame F. F null means
2289 return the definition for new frames. FACE_NAME may be a string or
2290 a symbol (apparently Emacs 20.2 allowed strings as face names in
2291 face text properties; Ediff uses that). If FACE_NAME is an alias
2292 for another face, return that face's definition. If SIGNAL_P is
2293 non-zero, signal an error if FACE_NAME is not a valid face name.
2294 If SIGNAL_P is zero, value is nil if FACE_NAME is not a valid face
2296 static INLINE Lisp_Object
2297 lface_from_face_name (f
, face_name
, signal_p
)
2299 Lisp_Object face_name
;
2302 face_name
= resolve_face_name (face_name
, signal_p
);
2303 return lface_from_face_name_no_resolve (f
, face_name
, signal_p
);
2307 /* Get face attributes of face FACE_NAME from frame-local faces on
2308 frame F. Store the resulting attributes in ATTRS which must point
2309 to a vector of Lisp_Objects of size LFACE_VECTOR_SIZE. If SIGNAL_P
2310 is non-zero, signal an error if FACE_NAME does not name a face.
2311 Otherwise, value is zero if FACE_NAME is not a face. */
2314 get_lface_attributes_no_remap (f
, face_name
, attrs
, signal_p
)
2316 Lisp_Object face_name
;
2322 lface
= lface_from_face_name_no_resolve (f
, face_name
, signal_p
);
2325 bcopy (XVECTOR (lface
)->contents
, attrs
,
2326 LFACE_VECTOR_SIZE
* sizeof *attrs
);
2328 return !NILP (lface
);
2331 /* Get face attributes of face FACE_NAME from frame-local faces on frame
2332 F. Store the resulting attributes in ATTRS which must point to a
2333 vector of Lisp_Objects of size LFACE_VECTOR_SIZE. If FACE_NAME is an
2334 alias for another face, use that face's definition. If SIGNAL_P is
2335 non-zero, signal an error if FACE_NAME does not name a face.
2336 Otherwise, value is zero if FACE_NAME is not a face. */
2339 get_lface_attributes (f
, face_name
, attrs
, signal_p
, named_merge_points
)
2341 Lisp_Object face_name
;
2344 struct named_merge_point
*named_merge_points
;
2346 Lisp_Object face_remapping
;
2348 face_name
= resolve_face_name (face_name
, signal_p
);
2350 /* See if SYMBOL has been remapped to some other face (usually this
2351 is done buffer-locally). */
2352 face_remapping
= assq_no_quit (face_name
, Vface_remapping_alist
);
2353 if (CONSP (face_remapping
))
2355 struct named_merge_point named_merge_point
;
2357 if (push_named_merge_point (&named_merge_point
,
2358 face_name
, NAMED_MERGE_POINT_REMAP
,
2359 &named_merge_points
))
2363 for (i
= 1; i
< LFACE_VECTOR_SIZE
; ++i
)
2364 attrs
[i
] = Qunspecified
;
2366 return merge_face_ref (f
, XCDR (face_remapping
), attrs
,
2367 signal_p
, named_merge_points
);
2371 /* Default case, no remapping. */
2372 return get_lface_attributes_no_remap (f
, face_name
, attrs
, signal_p
);
2376 /* Non-zero if all attributes in face attribute vector ATTRS are
2377 specified, i.e. are non-nil. */
2380 lface_fully_specified_p (attrs
)
2385 for (i
= 1; i
< LFACE_VECTOR_SIZE
; ++i
)
2386 if (i
!= LFACE_FONT_INDEX
&& i
!= LFACE_INHERIT_INDEX
)
2387 if ((UNSPECIFIEDP (attrs
[i
]) || IGNORE_DEFFACE_P (attrs
[i
]))
2389 /* MAC_TODO: No stipple support on Mac OS yet, this index is
2390 always unspecified. */
2391 && i
!= LFACE_STIPPLE_INDEX
2396 return i
== LFACE_VECTOR_SIZE
;
2399 #ifdef HAVE_WINDOW_SYSTEM
2401 /* Set font-related attributes of Lisp face LFACE from FONT-OBJECT.
2402 If FORCE_P is zero, set only unspecified attributes of LFACE. The
2403 exception is `font' attribute. It is set to FONT_OBJECT regardless
2407 set_lface_from_font (f
, lface
, font_object
, force_p
)
2409 Lisp_Object lface
, font_object
;
2413 struct font
*font
= XFONT_OBJECT (font_object
);
2415 /* Set attributes only if unspecified, otherwise face defaults for
2416 new frames would never take effect. If the font doesn't have a
2417 specific property, set a normal value for that. */
2419 if (force_p
|| UNSPECIFIEDP (LFACE_FAMILY (lface
)))
2421 Lisp_Object family
= AREF (font_object
, FONT_FAMILY_INDEX
);
2423 LFACE_FAMILY (lface
) = SYMBOL_NAME (family
);
2426 if (force_p
|| UNSPECIFIEDP (LFACE_FOUNDRY (lface
)))
2428 Lisp_Object foundry
= AREF (font_object
, FONT_FOUNDRY_INDEX
);
2430 LFACE_FOUNDRY (lface
) = SYMBOL_NAME (foundry
);
2433 if (force_p
|| UNSPECIFIEDP (LFACE_HEIGHT (lface
)))
2435 int pt
= PIXEL_TO_POINT (font
->pixel_size
* 10, f
->resy
);
2438 LFACE_HEIGHT (lface
) = make_number (pt
);
2441 if (force_p
|| UNSPECIFIEDP (LFACE_WEIGHT (lface
)))
2443 val
= FONT_WEIGHT_FOR_FACE (font_object
);
2444 LFACE_WEIGHT (lface
) = ! NILP (val
) ? val
:Qnormal
;
2446 if (force_p
|| UNSPECIFIEDP (LFACE_SLANT (lface
)))
2448 val
= FONT_SLANT_FOR_FACE (font_object
);
2449 LFACE_SLANT (lface
) = ! NILP (val
) ? val
: Qnormal
;
2451 if (force_p
|| UNSPECIFIEDP (LFACE_SWIDTH (lface
)))
2453 val
= FONT_WIDTH_FOR_FACE (font_object
);
2454 LFACE_SWIDTH (lface
) = ! NILP (val
) ? val
: Qnormal
;
2457 LFACE_FONT (lface
) = font_object
;
2461 #endif /* HAVE_WINDOW_SYSTEM */
2464 /* Merges the face height FROM with the face height TO, and returns the
2465 merged height. If FROM is an invalid height, then INVALID is
2466 returned instead. FROM and TO may be either absolute face heights or
2467 `relative' heights; the returned value is always an absolute height
2468 unless both FROM and TO are relative. GCPRO is a lisp value that
2469 will be protected from garbage-collection if this function makes a
2473 merge_face_heights (from
, to
, invalid
)
2474 Lisp_Object from
, to
, invalid
;
2476 Lisp_Object result
= invalid
;
2478 if (INTEGERP (from
))
2479 /* FROM is absolute, just use it as is. */
2481 else if (FLOATP (from
))
2482 /* FROM is a scale, use it to adjust TO. */
2485 /* relative X absolute => absolute */
2486 result
= make_number ((EMACS_INT
)(XFLOAT_DATA (from
) * XINT (to
)));
2487 else if (FLOATP (to
))
2488 /* relative X relative => relative */
2489 result
= make_float (XFLOAT_DATA (from
) * XFLOAT_DATA (to
));
2490 else if (UNSPECIFIEDP (to
))
2493 else if (FUNCTIONP (from
))
2494 /* FROM is a function, which use to adjust TO. */
2496 /* Call function with current height as argument.
2497 From is the new height. */
2498 Lisp_Object args
[2];
2502 result
= safe_call (2, args
);
2504 /* Ensure that if TO was absolute, so is the result. */
2505 if (INTEGERP (to
) && !INTEGERP (result
))
2513 /* Merge two Lisp face attribute vectors on frame F, FROM and TO, and
2514 store the resulting attributes in TO, which must be already be
2515 completely specified and contain only absolute attributes. Every
2516 specified attribute of FROM overrides the corresponding attribute of
2517 TO; relative attributes in FROM are merged with the absolute value in
2518 TO and replace it. NAMED_MERGE_POINTS is used internally to detect
2519 loops in face inheritance/remapping; it should be 0 when called from
2523 merge_face_vectors (f
, from
, to
, named_merge_points
)
2525 Lisp_Object
*from
, *to
;
2526 struct named_merge_point
*named_merge_points
;
2530 /* If FROM inherits from some other faces, merge their attributes into
2531 TO before merging FROM's direct attributes. Note that an :inherit
2532 attribute of `unspecified' is the same as one of nil; we never
2533 merge :inherit attributes, so nil is more correct, but lots of
2534 other code uses `unspecified' as a generic value for face attributes. */
2535 if (!UNSPECIFIEDP (from
[LFACE_INHERIT_INDEX
])
2536 && !NILP (from
[LFACE_INHERIT_INDEX
]))
2537 merge_face_ref (f
, from
[LFACE_INHERIT_INDEX
], to
, 0, named_merge_points
);
2539 i
= LFACE_FONT_INDEX
;
2540 if (!UNSPECIFIEDP (from
[i
]))
2542 if (!UNSPECIFIEDP (to
[i
]))
2543 to
[i
] = Fmerge_font_spec (from
[i
], to
[i
]);
2545 to
[i
] = Fcopy_font_spec (from
[i
]);
2546 ASET (to
[i
], FONT_SIZE_INDEX
, Qnil
);
2549 for (i
= 1; i
< LFACE_VECTOR_SIZE
; ++i
)
2550 if (!UNSPECIFIEDP (from
[i
]))
2552 if (i
== LFACE_HEIGHT_INDEX
&& !INTEGERP (from
[i
]))
2554 to
[i
] = merge_face_heights (from
[i
], to
[i
], to
[i
]);
2555 font_clear_prop (to
, FONT_SIZE_INDEX
);
2557 else if (i
!= LFACE_FONT_INDEX
)
2560 if (i
>= LFACE_FAMILY_INDEX
&& i
<=LFACE_SLANT_INDEX
)
2561 font_clear_prop (to
,
2562 (i
== LFACE_FAMILY_INDEX
? FONT_FAMILY_INDEX
2563 : i
== LFACE_FOUNDRY_INDEX
? FONT_FOUNDRY_INDEX
2564 : i
== LFACE_SWIDTH_INDEX
? FONT_WIDTH_INDEX
2565 : i
== LFACE_HEIGHT_INDEX
? FONT_SIZE_INDEX
2566 : i
== LFACE_WEIGHT_INDEX
? FONT_WEIGHT_INDEX
2567 : FONT_SLANT_INDEX
));
2571 /* If `font' attribute is specified, reflect the font properties in
2572 it to the other attributes. */
2573 if (0 && !UNSPECIFIEDP (to
[LFACE_FONT_INDEX
]))
2574 font_update_lface (f
, to
);
2576 /* TO is always an absolute face, which should inherit from nothing.
2577 We blindly copy the :inherit attribute above and fix it up here. */
2578 to
[LFACE_INHERIT_INDEX
] = Qnil
;
2581 /* Merge the named face FACE_NAME on frame F, into the vector of face
2582 attributes TO. NAMED_MERGE_POINTS is used to detect loops in face
2583 inheritance. Returns true if FACE_NAME is a valid face name and
2584 merging succeeded. */
2587 merge_named_face (f
, face_name
, to
, named_merge_points
)
2589 Lisp_Object face_name
;
2591 struct named_merge_point
*named_merge_points
;
2593 struct named_merge_point named_merge_point
;
2595 if (push_named_merge_point (&named_merge_point
,
2596 face_name
, NAMED_MERGE_POINT_NORMAL
,
2597 &named_merge_points
))
2599 struct gcpro gcpro1
;
2600 Lisp_Object from
[LFACE_VECTOR_SIZE
];
2601 int ok
= get_lface_attributes (f
, face_name
, from
, 0, named_merge_points
);
2605 GCPRO1 (named_merge_point
.face_name
);
2606 merge_face_vectors (f
, from
, to
, named_merge_points
);
2617 /* Merge face attributes from the lisp `face reference' FACE_REF on
2618 frame F into the face attribute vector TO. If ERR_MSGS is non-zero,
2619 problems with FACE_REF cause an error message to be shown. Return
2620 non-zero if no errors occurred (regardless of the value of ERR_MSGS).
2621 NAMED_MERGE_POINTS is used to detect loops in face inheritance or
2622 list structure; it may be 0 for most callers.
2624 FACE_REF may be a single face specification or a list of such
2625 specifications. Each face specification can be:
2627 1. A symbol or string naming a Lisp face.
2629 2. A property list of the form (KEYWORD VALUE ...) where each
2630 KEYWORD is a face attribute name, and value is an appropriate value
2633 3. Conses or the form (FOREGROUND-COLOR . COLOR) or
2634 (BACKGROUND-COLOR . COLOR) where COLOR is a color name. This is
2635 for compatibility with 20.2.
2637 Face specifications earlier in lists take precedence over later
2641 merge_face_ref (f
, face_ref
, to
, err_msgs
, named_merge_points
)
2643 Lisp_Object face_ref
;
2646 struct named_merge_point
*named_merge_points
;
2648 int ok
= 1; /* Succeed without an error? */
2650 if (CONSP (face_ref
))
2652 Lisp_Object first
= XCAR (face_ref
);
2654 if (EQ (first
, Qforeground_color
)
2655 || EQ (first
, Qbackground_color
))
2657 /* One of (FOREGROUND-COLOR . COLOR) or (BACKGROUND-COLOR
2658 . COLOR). COLOR must be a string. */
2659 Lisp_Object color_name
= XCDR (face_ref
);
2660 Lisp_Object color
= first
;
2662 if (STRINGP (color_name
))
2664 if (EQ (color
, Qforeground_color
))
2665 to
[LFACE_FOREGROUND_INDEX
] = color_name
;
2667 to
[LFACE_BACKGROUND_INDEX
] = color_name
;
2672 add_to_log ("Invalid face color", color_name
, Qnil
);
2676 else if (SYMBOLP (first
)
2677 && *SDATA (SYMBOL_NAME (first
)) == ':')
2679 /* Assume this is the property list form. */
2680 while (CONSP (face_ref
) && CONSP (XCDR (face_ref
)))
2682 Lisp_Object keyword
= XCAR (face_ref
);
2683 Lisp_Object value
= XCAR (XCDR (face_ref
));
2686 /* Specifying `unspecified' is a no-op. */
2687 if (EQ (value
, Qunspecified
))
2689 else if (EQ (keyword
, QCfamily
))
2691 if (STRINGP (value
))
2693 to
[LFACE_FAMILY_INDEX
] = value
;
2694 font_clear_prop (to
, FONT_FAMILY_INDEX
);
2699 else if (EQ (keyword
, QCfoundry
))
2701 if (STRINGP (value
))
2703 to
[LFACE_FOUNDRY_INDEX
] = value
;
2704 font_clear_prop (to
, FONT_FOUNDRY_INDEX
);
2709 else if (EQ (keyword
, QCheight
))
2711 Lisp_Object new_height
=
2712 merge_face_heights (value
, to
[LFACE_HEIGHT_INDEX
], Qnil
);
2714 if (! NILP (new_height
))
2716 to
[LFACE_HEIGHT_INDEX
] = new_height
;
2717 font_clear_prop (to
, FONT_SIZE_INDEX
);
2722 else if (EQ (keyword
, QCweight
))
2724 if (SYMBOLP (value
) && FONT_WEIGHT_NAME_NUMERIC (value
) >= 0)
2726 to
[LFACE_WEIGHT_INDEX
] = value
;
2727 font_clear_prop (to
, FONT_WEIGHT_INDEX
);
2732 else if (EQ (keyword
, QCslant
))
2734 if (SYMBOLP (value
) && FONT_SLANT_NAME_NUMERIC (value
) >= 0)
2736 to
[LFACE_SLANT_INDEX
] = value
;
2737 font_clear_prop (to
, FONT_SLANT_INDEX
);
2742 else if (EQ (keyword
, QCunderline
))
2747 to
[LFACE_UNDERLINE_INDEX
] = value
;
2751 else if (EQ (keyword
, QCoverline
))
2756 to
[LFACE_OVERLINE_INDEX
] = value
;
2760 else if (EQ (keyword
, QCstrike_through
))
2765 to
[LFACE_STRIKE_THROUGH_INDEX
] = value
;
2769 else if (EQ (keyword
, QCbox
))
2772 value
= make_number (1);
2773 if (INTEGERP (value
)
2777 to
[LFACE_BOX_INDEX
] = value
;
2781 else if (EQ (keyword
, QCinverse_video
)
2782 || EQ (keyword
, QCreverse_video
))
2784 if (EQ (value
, Qt
) || NILP (value
))
2785 to
[LFACE_INVERSE_INDEX
] = value
;
2789 else if (EQ (keyword
, QCforeground
))
2791 if (STRINGP (value
))
2792 to
[LFACE_FOREGROUND_INDEX
] = value
;
2796 else if (EQ (keyword
, QCbackground
))
2798 if (STRINGP (value
))
2799 to
[LFACE_BACKGROUND_INDEX
] = value
;
2803 else if (EQ (keyword
, QCstipple
))
2805 #if defined(HAVE_X_WINDOWS) || defined(HAVE_NS)
2806 Lisp_Object pixmap_p
= Fbitmap_spec_p (value
);
2807 if (!NILP (pixmap_p
))
2808 to
[LFACE_STIPPLE_INDEX
] = value
;
2813 else if (EQ (keyword
, QCwidth
))
2815 if (SYMBOLP (value
) && FONT_WIDTH_NAME_NUMERIC (value
) >= 0)
2817 to
[LFACE_SWIDTH_INDEX
] = value
;
2818 font_clear_prop (to
, FONT_WIDTH_INDEX
);
2823 else if (EQ (keyword
, QCinherit
))
2825 /* This is not really very useful; it's just like a
2826 normal face reference. */
2827 if (! merge_face_ref (f
, value
, to
,
2828 err_msgs
, named_merge_points
))
2836 add_to_log ("Invalid face attribute %S %S", keyword
, value
);
2840 face_ref
= XCDR (XCDR (face_ref
));
2845 /* This is a list of face refs. Those at the beginning of the
2846 list take precedence over what follows, so we have to merge
2847 from the end backwards. */
2848 Lisp_Object next
= XCDR (face_ref
);
2851 ok
= merge_face_ref (f
, next
, to
, err_msgs
, named_merge_points
);
2853 if (! merge_face_ref (f
, first
, to
, err_msgs
, named_merge_points
))
2859 /* FACE_REF ought to be a face name. */
2860 ok
= merge_named_face (f
, face_ref
, to
, named_merge_points
);
2861 if (!ok
&& err_msgs
)
2862 add_to_log ("Invalid face reference: %s", face_ref
, Qnil
);
2869 DEFUN ("internal-make-lisp-face", Finternal_make_lisp_face
,
2870 Sinternal_make_lisp_face
, 1, 2, 0,
2871 doc
: /* Make FACE, a symbol, a Lisp face with all attributes nil.
2872 If FACE was not known as a face before, create a new one.
2873 If optional argument FRAME is specified, make a frame-local face
2874 for that frame. Otherwise operate on the global face definition.
2875 Value is a vector of face attributes. */)
2877 Lisp_Object face
, frame
;
2879 Lisp_Object global_lface
, lface
;
2883 CHECK_SYMBOL (face
);
2884 global_lface
= lface_from_face_name (NULL
, face
, 0);
2888 CHECK_LIVE_FRAME (frame
);
2890 lface
= lface_from_face_name (f
, face
, 0);
2893 f
= NULL
, lface
= Qnil
;
2895 /* Add a global definition if there is none. */
2896 if (NILP (global_lface
))
2898 global_lface
= Fmake_vector (make_number (LFACE_VECTOR_SIZE
),
2900 ASET (global_lface
, 0, Qface
);
2901 Vface_new_frame_defaults
= Fcons (Fcons (face
, global_lface
),
2902 Vface_new_frame_defaults
);
2904 /* Assign the new Lisp face a unique ID. The mapping from Lisp
2905 face id to Lisp face is given by the vector lface_id_to_name.
2906 The mapping from Lisp face to Lisp face id is given by the
2907 property `face' of the Lisp face name. */
2908 if (next_lface_id
== lface_id_to_name_size
)
2910 int new_size
= max (50, 2 * lface_id_to_name_size
);
2911 int sz
= new_size
* sizeof *lface_id_to_name
;
2912 lface_id_to_name
= (Lisp_Object
*) xrealloc (lface_id_to_name
, sz
);
2913 lface_id_to_name_size
= new_size
;
2916 lface_id_to_name
[next_lface_id
] = face
;
2917 Fput (face
, Qface
, make_number (next_lface_id
));
2921 for (i
= 1; i
< LFACE_VECTOR_SIZE
; ++i
)
2922 ASET (global_lface
, i
, Qunspecified
);
2924 /* Add a frame-local definition. */
2929 lface
= Fmake_vector (make_number (LFACE_VECTOR_SIZE
),
2931 ASET (lface
, 0, Qface
);
2932 f
->face_alist
= Fcons (Fcons (face
, lface
), f
->face_alist
);
2935 for (i
= 1; i
< LFACE_VECTOR_SIZE
; ++i
)
2936 ASET (lface
, i
, Qunspecified
);
2939 lface
= global_lface
;
2941 /* Changing a named face means that all realized faces depending on
2942 that face are invalid. Since we cannot tell which realized faces
2943 depend on the face, make sure they are all removed. This is done
2944 by incrementing face_change_count. The next call to
2945 init_iterator will then free realized faces. */
2946 if (NILP (Fget (face
, Qface_no_inherit
)))
2948 ++face_change_count
;
2949 ++windows_or_buffers_changed
;
2952 xassert (LFACEP (lface
));
2953 check_lface (lface
);
2958 DEFUN ("internal-lisp-face-p", Finternal_lisp_face_p
,
2959 Sinternal_lisp_face_p
, 1, 2, 0,
2960 doc
: /* Return non-nil if FACE names a face.
2961 If optional second argument FRAME is non-nil, check for the
2962 existence of a frame-local face with name FACE on that frame.
2963 Otherwise check for the existence of a global face. */)
2965 Lisp_Object face
, frame
;
2969 face
= resolve_face_name (face
, 1);
2973 CHECK_LIVE_FRAME (frame
);
2974 lface
= lface_from_face_name (XFRAME (frame
), face
, 0);
2977 lface
= lface_from_face_name (NULL
, face
, 0);
2983 DEFUN ("internal-copy-lisp-face", Finternal_copy_lisp_face
,
2984 Sinternal_copy_lisp_face
, 4, 4, 0,
2985 doc
: /* Copy face FROM to TO.
2986 If FRAME is t, copy the global face definition of FROM.
2987 Otherwise, copy the frame-local definition of FROM on FRAME.
2988 If NEW-FRAME is a frame, copy that data into the frame-local
2989 definition of TO on NEW-FRAME. If NEW-FRAME is nil,
2990 FRAME controls where the data is copied to.
2992 The value is TO. */)
2993 (from
, to
, frame
, new_frame
)
2994 Lisp_Object from
, to
, frame
, new_frame
;
2996 Lisp_Object lface
, copy
;
2998 CHECK_SYMBOL (from
);
3003 /* Copy global definition of FROM. We don't make copies of
3004 strings etc. because 20.2 didn't do it either. */
3005 lface
= lface_from_face_name (NULL
, from
, 1);
3006 copy
= Finternal_make_lisp_face (to
, Qnil
);
3010 /* Copy frame-local definition of FROM. */
3011 if (NILP (new_frame
))
3013 CHECK_LIVE_FRAME (frame
);
3014 CHECK_LIVE_FRAME (new_frame
);
3015 lface
= lface_from_face_name (XFRAME (frame
), from
, 1);
3016 copy
= Finternal_make_lisp_face (to
, new_frame
);
3019 bcopy (XVECTOR (lface
)->contents
, XVECTOR (copy
)->contents
,
3020 LFACE_VECTOR_SIZE
* sizeof (Lisp_Object
));
3022 /* Changing a named face means that all realized faces depending on
3023 that face are invalid. Since we cannot tell which realized faces
3024 depend on the face, make sure they are all removed. This is done
3025 by incrementing face_change_count. The next call to
3026 init_iterator will then free realized faces. */
3027 if (NILP (Fget (to
, Qface_no_inherit
)))
3029 ++face_change_count
;
3030 ++windows_or_buffers_changed
;
3037 DEFUN ("internal-set-lisp-face-attribute", Finternal_set_lisp_face_attribute
,
3038 Sinternal_set_lisp_face_attribute
, 3, 4, 0,
3039 doc
: /* Set attribute ATTR of FACE to VALUE.
3040 FRAME being a frame means change the face on that frame.
3041 FRAME nil means change the face of the selected frame.
3042 FRAME t means change the default for new frames.
3043 FRAME 0 means change the face on all frames, and change the default
3045 (face
, attr
, value
, frame
)
3046 Lisp_Object face
, attr
, value
, frame
;
3049 Lisp_Object old_value
= Qnil
;
3050 /* Set one of enum font_property_index (> 0) if ATTR is one of
3051 font-related attributes other than QCfont and QCfontset. */
3052 enum font_property_index prop_index
= 0;
3054 CHECK_SYMBOL (face
);
3055 CHECK_SYMBOL (attr
);
3057 face
= resolve_face_name (face
, 1);
3059 /* If FRAME is 0, change face on all frames, and change the
3060 default for new frames. */
3061 if (INTEGERP (frame
) && XINT (frame
) == 0)
3064 Finternal_set_lisp_face_attribute (face
, attr
, value
, Qt
);
3065 FOR_EACH_FRAME (tail
, frame
)
3066 Finternal_set_lisp_face_attribute (face
, attr
, value
, frame
);
3070 /* Set lface to the Lisp attribute vector of FACE. */
3073 lface
= lface_from_face_name (NULL
, face
, 1);
3075 /* When updating face-new-frame-defaults, we put :ignore-defface
3076 where the caller wants `unspecified'. This forces the frame
3077 defaults to ignore the defface value. Otherwise, the defface
3078 will take effect, which is generally not what is intended.
3079 The value of that attribute will be inherited from some other
3080 face during face merging. See internal_merge_in_global_face. */
3081 if (UNSPECIFIEDP (value
))
3082 value
= Qignore_defface
;
3087 frame
= selected_frame
;
3089 CHECK_LIVE_FRAME (frame
);
3090 lface
= lface_from_face_name (XFRAME (frame
), face
, 0);
3092 /* If a frame-local face doesn't exist yet, create one. */
3094 lface
= Finternal_make_lisp_face (face
, frame
);
3097 if (EQ (attr
, QCfamily
))
3099 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3101 CHECK_STRING (value
);
3102 if (SCHARS (value
) == 0)
3103 signal_error ("Invalid face family", value
);
3105 old_value
= LFACE_FAMILY (lface
);
3106 LFACE_FAMILY (lface
) = value
;
3107 prop_index
= FONT_FAMILY_INDEX
;
3109 else if (EQ (attr
, QCfoundry
))
3111 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3113 CHECK_STRING (value
);
3114 if (SCHARS (value
) == 0)
3115 signal_error ("Invalid face foundry", value
);
3117 old_value
= LFACE_FOUNDRY (lface
);
3118 LFACE_FOUNDRY (lface
) = value
;
3119 prop_index
= FONT_FOUNDRY_INDEX
;
3121 else if (EQ (attr
, QCheight
))
3123 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3127 test
= (EQ (face
, Qdefault
)
3129 /* The default face must have an absolute size,
3130 otherwise, we do a test merge with a random
3131 height to see if VALUE's ok. */
3132 : merge_face_heights (value
, make_number (10), Qnil
));
3134 if (!INTEGERP (test
) || XINT (test
) <= 0)
3135 signal_error ("Invalid face height", value
);
3138 old_value
= LFACE_HEIGHT (lface
);
3139 LFACE_HEIGHT (lface
) = value
;
3140 prop_index
= FONT_SIZE_INDEX
;
3142 else if (EQ (attr
, QCweight
))
3144 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3146 CHECK_SYMBOL (value
);
3147 if (FONT_WEIGHT_NAME_NUMERIC (value
) < 0)
3148 signal_error ("Invalid face weight", value
);
3150 old_value
= LFACE_WEIGHT (lface
);
3151 LFACE_WEIGHT (lface
) = value
;
3152 prop_index
= FONT_WEIGHT_INDEX
;
3154 else if (EQ (attr
, QCslant
))
3156 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3158 CHECK_SYMBOL (value
);
3159 if (FONT_SLANT_NAME_NUMERIC (value
) < 0)
3160 signal_error ("Invalid face slant", value
);
3162 old_value
= LFACE_SLANT (lface
);
3163 LFACE_SLANT (lface
) = value
;
3164 prop_index
= FONT_SLANT_INDEX
;
3166 else if (EQ (attr
, QCunderline
))
3168 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3169 if ((SYMBOLP (value
)
3171 && !EQ (value
, Qnil
))
3172 /* Underline color. */
3174 && SCHARS (value
) == 0))
3175 signal_error ("Invalid face underline", value
);
3177 old_value
= LFACE_UNDERLINE (lface
);
3178 LFACE_UNDERLINE (lface
) = value
;
3180 else if (EQ (attr
, QCoverline
))
3182 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3183 if ((SYMBOLP (value
)
3185 && !EQ (value
, Qnil
))
3186 /* Overline color. */
3188 && SCHARS (value
) == 0))
3189 signal_error ("Invalid face overline", value
);
3191 old_value
= LFACE_OVERLINE (lface
);
3192 LFACE_OVERLINE (lface
) = value
;
3194 else if (EQ (attr
, QCstrike_through
))
3196 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3197 if ((SYMBOLP (value
)
3199 && !EQ (value
, Qnil
))
3200 /* Strike-through color. */
3202 && SCHARS (value
) == 0))
3203 signal_error ("Invalid face strike-through", value
);
3205 old_value
= LFACE_STRIKE_THROUGH (lface
);
3206 LFACE_STRIKE_THROUGH (lface
) = value
;
3208 else if (EQ (attr
, QCbox
))
3212 /* Allow t meaning a simple box of width 1 in foreground color
3215 value
= make_number (1);
3217 if (UNSPECIFIEDP (value
) || IGNORE_DEFFACE_P (value
))
3219 else if (NILP (value
))
3221 else if (INTEGERP (value
))
3222 valid_p
= XINT (value
) != 0;
3223 else if (STRINGP (value
))
3224 valid_p
= SCHARS (value
) > 0;
3225 else if (CONSP (value
))
3241 if (EQ (k
, QCline_width
))
3243 if (!INTEGERP (v
) || XINT (v
) == 0)
3246 else if (EQ (k
, QCcolor
))
3248 if (!NILP (v
) && (!STRINGP (v
) || SCHARS (v
) == 0))
3251 else if (EQ (k
, QCstyle
))
3253 if (!EQ (v
, Qpressed_button
) && !EQ (v
, Qreleased_button
))
3260 valid_p
= NILP (tem
);
3266 signal_error ("Invalid face box", value
);
3268 old_value
= LFACE_BOX (lface
);
3269 LFACE_BOX (lface
) = value
;
3271 else if (EQ (attr
, QCinverse_video
)
3272 || EQ (attr
, QCreverse_video
))
3274 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3276 CHECK_SYMBOL (value
);
3277 if (!EQ (value
, Qt
) && !NILP (value
))
3278 signal_error ("Invalid inverse-video face attribute value", value
);
3280 old_value
= LFACE_INVERSE (lface
);
3281 LFACE_INVERSE (lface
) = value
;
3283 else if (EQ (attr
, QCforeground
))
3285 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3287 /* Don't check for valid color names here because it depends
3288 on the frame (display) whether the color will be valid
3289 when the face is realized. */
3290 CHECK_STRING (value
);
3291 if (SCHARS (value
) == 0)
3292 signal_error ("Empty foreground color value", value
);
3294 old_value
= LFACE_FOREGROUND (lface
);
3295 LFACE_FOREGROUND (lface
) = value
;
3297 else if (EQ (attr
, QCbackground
))
3299 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3301 /* Don't check for valid color names here because it depends
3302 on the frame (display) whether the color will be valid
3303 when the face is realized. */
3304 CHECK_STRING (value
);
3305 if (SCHARS (value
) == 0)
3306 signal_error ("Empty background color value", value
);
3308 old_value
= LFACE_BACKGROUND (lface
);
3309 LFACE_BACKGROUND (lface
) = value
;
3311 else if (EQ (attr
, QCstipple
))
3313 #if defined(HAVE_X_WINDOWS) || defined(HAVE_NS)
3314 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
)
3316 && NILP (Fbitmap_spec_p (value
)))
3317 signal_error ("Invalid stipple attribute", value
);
3318 old_value
= LFACE_STIPPLE (lface
);
3319 LFACE_STIPPLE (lface
) = value
;
3320 #endif /* HAVE_X_WINDOWS || HAVE_NS */
3322 else if (EQ (attr
, QCwidth
))
3324 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3326 CHECK_SYMBOL (value
);
3327 if (FONT_WIDTH_NAME_NUMERIC (value
) < 0)
3328 signal_error ("Invalid face width", value
);
3330 old_value
= LFACE_SWIDTH (lface
);
3331 LFACE_SWIDTH (lface
) = value
;
3332 prop_index
= FONT_WIDTH_INDEX
;
3334 else if (EQ (attr
, QCfont
))
3336 #ifdef HAVE_WINDOW_SYSTEM
3337 if (EQ (frame
, Qt
) || FRAME_WINDOW_P (XFRAME (frame
)))
3339 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
))
3343 old_value
= LFACE_FONT (lface
);
3344 if (! FONTP (value
))
3346 if (STRINGP (value
))
3348 int fontset
= fs_query_fontset (value
, 0);
3351 value
= fontset_ascii (fontset
);
3352 value
= font_spec_from_name (value
);
3355 signal_error ("Invalid font or font-spec", value
);
3358 f
= XFRAME (selected_frame
);
3361 if (! FONT_OBJECT_P (value
))
3363 Lisp_Object
*attrs
= XVECTOR (lface
)->contents
;
3364 Lisp_Object font_object
;
3366 font_object
= font_load_for_lface (f
, attrs
, value
);
3367 if (NILP (font_object
))
3368 signal_error ("Font not available", value
);
3369 value
= font_object
;
3371 set_lface_from_font (f
, lface
, value
, 1);
3374 LFACE_FONT (lface
) = value
;
3376 #endif /* HAVE_WINDOW_SYSTEM */
3378 else if (EQ (attr
, QCfontset
))
3380 #ifdef HAVE_WINDOW_SYSTEM
3381 if (EQ (frame
, Qt
) || FRAME_WINDOW_P (XFRAME (frame
)))
3385 old_value
= LFACE_FONTSET (lface
);
3386 tmp
= Fquery_fontset (value
, Qnil
);
3388 signal_error ("Invalid fontset name", value
);
3389 LFACE_FONTSET (lface
) = value
= tmp
;
3391 #endif /* HAVE_WINDOW_SYSTEM */
3393 else if (EQ (attr
, QCinherit
))
3396 if (SYMBOLP (value
))
3399 for (tail
= value
; CONSP (tail
); tail
= XCDR (tail
))
3400 if (!SYMBOLP (XCAR (tail
)))
3403 LFACE_INHERIT (lface
) = value
;
3405 signal_error ("Invalid face inheritance", value
);
3407 else if (EQ (attr
, QCbold
))
3409 old_value
= LFACE_WEIGHT (lface
);
3410 LFACE_WEIGHT (lface
) = NILP (value
) ? Qnormal
: Qbold
;
3411 prop_index
= FONT_WEIGHT_INDEX
;
3413 else if (EQ (attr
, QCitalic
))
3416 old_value
= LFACE_SLANT (lface
);
3417 LFACE_SLANT (lface
) = NILP (value
) ? Qnormal
: Qitalic
;
3418 prop_index
= FONT_SLANT_INDEX
;
3421 signal_error ("Invalid face attribute name", attr
);
3424 /* If a font-related attribute other than QCfont and QCfontset is
3425 specified, and if the original QCfont attribute has a font
3426 (font-spec or font-object), set the corresponding property in
3427 the font to nil so that the font selector doesn't think that
3428 the attribute is mandatory. */
3429 font_clear_prop (XVECTOR (lface
)->contents
, prop_index
);
3431 /* Changing a named face means that all realized faces depending on
3432 that face are invalid. Since we cannot tell which realized faces
3433 depend on the face, make sure they are all removed. This is done
3434 by incrementing face_change_count. The next call to
3435 init_iterator will then free realized faces. */
3437 && NILP (Fget (face
, Qface_no_inherit
))
3438 && NILP (Fequal (old_value
, value
)))
3440 ++face_change_count
;
3441 ++windows_or_buffers_changed
;
3444 if (!UNSPECIFIEDP (value
) && !IGNORE_DEFFACE_P (value
)
3445 && NILP (Fequal (old_value
, value
)))
3451 if (EQ (face
, Qdefault
))
3453 #ifdef HAVE_WINDOW_SYSTEM
3454 /* Changed font-related attributes of the `default' face are
3455 reflected in changed `font' frame parameters. */
3457 && (prop_index
|| EQ (attr
, QCfont
))
3458 && lface_fully_specified_p (XVECTOR (lface
)->contents
))
3459 set_font_frame_param (frame
, lface
);
3461 #endif /* HAVE_WINDOW_SYSTEM */
3463 if (EQ (attr
, QCforeground
))
3464 param
= Qforeground_color
;
3465 else if (EQ (attr
, QCbackground
))
3466 param
= Qbackground_color
;
3468 #ifdef HAVE_WINDOW_SYSTEM
3470 else if (EQ (face
, Qscroll_bar
))
3472 /* Changing the colors of `scroll-bar' sets frame parameters
3473 `scroll-bar-foreground' and `scroll-bar-background'. */
3474 if (EQ (attr
, QCforeground
))
3475 param
= Qscroll_bar_foreground
;
3476 else if (EQ (attr
, QCbackground
))
3477 param
= Qscroll_bar_background
;
3479 #endif /* not WINDOWSNT */
3480 else if (EQ (face
, Qborder
))
3482 /* Changing background color of `border' sets frame parameter
3484 if (EQ (attr
, QCbackground
))
3485 param
= Qborder_color
;
3487 else if (EQ (face
, Qcursor
))
3489 /* Changing background color of `cursor' sets frame parameter
3491 if (EQ (attr
, QCbackground
))
3492 param
= Qcursor_color
;
3494 else if (EQ (face
, Qmouse
))
3496 /* Changing background color of `mouse' sets frame parameter
3498 if (EQ (attr
, QCbackground
))
3499 param
= Qmouse_color
;
3501 #endif /* HAVE_WINDOW_SYSTEM */
3502 else if (EQ (face
, Qmenu
))
3504 /* Indicate that we have to update the menu bar when
3505 realizing faces on FRAME. FRAME t change the
3506 default for new frames. We do this by setting
3507 setting the flag in new face caches */
3510 struct frame
*f
= XFRAME (frame
);
3511 if (FRAME_FACE_CACHE (f
) == NULL
)
3512 FRAME_FACE_CACHE (f
) = make_face_cache (f
);
3513 FRAME_FACE_CACHE (f
)->menu_face_changed_p
= 1;
3516 menu_face_changed_default
= 1;
3522 /* Update `default-frame-alist', which is used for new frames. */
3524 store_in_alist (&Vdefault_frame_alist
, param
, value
);
3527 /* Update the current frame's parameters. */
3530 cons
= XCAR (Vparam_value_alist
);
3531 XSETCAR (cons
, param
);
3532 XSETCDR (cons
, value
);
3533 Fmodify_frame_parameters (frame
, Vparam_value_alist
);
3542 #ifdef HAVE_WINDOW_SYSTEM
3544 /* Set the `font' frame parameter of FRAME determined from the
3545 font-object set in `default' face attributes LFACE. */
3548 set_font_frame_param (frame
, lface
)
3549 Lisp_Object frame
, lface
;
3551 struct frame
*f
= XFRAME (frame
);
3554 if (FRAME_WINDOW_P (f
)
3555 /* Don't do anything if the font is `unspecified'. This can
3556 happen during frame creation. */
3557 && (font
= LFACE_FONT (lface
),
3558 ! UNSPECIFIEDP (font
)))
3560 if (FONT_SPEC_P (font
))
3562 font
= font_load_for_lface (f
, XVECTOR (lface
)->contents
, font
);
3565 LFACE_FONT (lface
) = font
;
3567 f
->default_face_done_p
= 0;
3568 Fmodify_frame_parameters (frame
, Fcons (Fcons (Qfont
, font
), Qnil
));
3573 /* Update the corresponding face when frame parameter PARAM on frame F
3574 has been assigned the value NEW_VALUE. */
3577 update_face_from_frame_parameter (f
, param
, new_value
)
3579 Lisp_Object param
, new_value
;
3581 Lisp_Object face
= Qnil
;
3584 /* If there are no faces yet, give up. This is the case when called
3585 from Fx_create_frame, and we do the necessary things later in
3586 face-set-after-frame-defaults. */
3587 if (NILP (f
->face_alist
))
3590 if (EQ (param
, Qforeground_color
))
3593 lface
= lface_from_face_name (f
, face
, 1);
3594 LFACE_FOREGROUND (lface
) = (STRINGP (new_value
)
3595 ? new_value
: Qunspecified
);
3596 realize_basic_faces (f
);
3598 else if (EQ (param
, Qbackground_color
))
3602 /* Changing the background color might change the background
3603 mode, so that we have to load new defface specs.
3604 Call frame-update-face-colors to do that. */
3605 XSETFRAME (frame
, f
);
3606 call1 (Qframe_set_background_mode
, frame
);
3609 lface
= lface_from_face_name (f
, face
, 1);
3610 LFACE_BACKGROUND (lface
) = (STRINGP (new_value
)
3611 ? new_value
: Qunspecified
);
3612 realize_basic_faces (f
);
3614 else if (EQ (param
, Qborder_color
))
3617 lface
= lface_from_face_name (f
, face
, 1);
3618 LFACE_BACKGROUND (lface
) = (STRINGP (new_value
)
3619 ? new_value
: Qunspecified
);
3621 else if (EQ (param
, Qcursor_color
))
3624 lface
= lface_from_face_name (f
, face
, 1);
3625 LFACE_BACKGROUND (lface
) = (STRINGP (new_value
)
3626 ? new_value
: Qunspecified
);
3628 else if (EQ (param
, Qmouse_color
))
3631 lface
= lface_from_face_name (f
, face
, 1);
3632 LFACE_BACKGROUND (lface
) = (STRINGP (new_value
)
3633 ? new_value
: Qunspecified
);
3636 /* Changing a named face means that all realized faces depending on
3637 that face are invalid. Since we cannot tell which realized faces
3638 depend on the face, make sure they are all removed. This is done
3639 by incrementing face_change_count. The next call to
3640 init_iterator will then free realized faces. */
3642 && NILP (Fget (face
, Qface_no_inherit
)))
3644 ++face_change_count
;
3645 ++windows_or_buffers_changed
;
3650 /* Get the value of X resource RESOURCE, class CLASS for the display
3651 of frame FRAME. This is here because ordinary `x-get-resource'
3652 doesn't take a frame argument. */
3654 DEFUN ("internal-face-x-get-resource", Finternal_face_x_get_resource
,
3655 Sinternal_face_x_get_resource
, 3, 3, 0, doc
: /* */)
3656 (resource
, class, frame
)
3657 Lisp_Object resource
, class, frame
;
3659 Lisp_Object value
= Qnil
;
3660 CHECK_STRING (resource
);
3661 CHECK_STRING (class);
3662 CHECK_LIVE_FRAME (frame
);
3664 value
= display_x_get_resource (FRAME_X_DISPLAY_INFO (XFRAME (frame
)),
3665 resource
, class, Qnil
, Qnil
);
3671 /* Return resource string VALUE as a boolean value, i.e. nil, or t.
3672 If VALUE is "on" or "true", return t. If VALUE is "off" or
3673 "false", return nil. Otherwise, if SIGNAL_P is non-zero, signal an
3674 error; if SIGNAL_P is zero, return 0. */
3677 face_boolean_x_resource_value (value
, signal_p
)
3681 Lisp_Object result
= make_number (0);
3683 xassert (STRINGP (value
));
3685 if (xstrcasecmp (SDATA (value
), "on") == 0
3686 || xstrcasecmp (SDATA (value
), "true") == 0)
3688 else if (xstrcasecmp (SDATA (value
), "off") == 0
3689 || xstrcasecmp (SDATA (value
), "false") == 0)
3691 else if (xstrcasecmp (SDATA (value
), "unspecified") == 0)
3692 result
= Qunspecified
;
3694 signal_error ("Invalid face attribute value from X resource", value
);
3700 DEFUN ("internal-set-lisp-face-attribute-from-resource",
3701 Finternal_set_lisp_face_attribute_from_resource
,
3702 Sinternal_set_lisp_face_attribute_from_resource
,
3703 3, 4, 0, doc
: /* */)
3704 (face
, attr
, value
, frame
)
3705 Lisp_Object face
, attr
, value
, frame
;
3707 CHECK_SYMBOL (face
);
3708 CHECK_SYMBOL (attr
);
3709 CHECK_STRING (value
);
3711 if (xstrcasecmp (SDATA (value
), "unspecified") == 0)
3712 value
= Qunspecified
;
3713 else if (EQ (attr
, QCheight
))
3715 value
= Fstring_to_number (value
, make_number (10));
3716 if (XINT (value
) <= 0)
3717 signal_error ("Invalid face height from X resource", value
);
3719 else if (EQ (attr
, QCbold
) || EQ (attr
, QCitalic
))
3720 value
= face_boolean_x_resource_value (value
, 1);
3721 else if (EQ (attr
, QCweight
) || EQ (attr
, QCslant
) || EQ (attr
, QCwidth
))
3722 value
= intern (SDATA (value
));
3723 else if (EQ (attr
, QCreverse_video
) || EQ (attr
, QCinverse_video
))
3724 value
= face_boolean_x_resource_value (value
, 1);
3725 else if (EQ (attr
, QCunderline
)
3726 || EQ (attr
, QCoverline
)
3727 || EQ (attr
, QCstrike_through
))
3729 Lisp_Object boolean_value
;
3731 /* If the result of face_boolean_x_resource_value is t or nil,
3732 VALUE does NOT specify a color. */
3733 boolean_value
= face_boolean_x_resource_value (value
, 0);
3734 if (SYMBOLP (boolean_value
))
3735 value
= boolean_value
;
3737 else if (EQ (attr
, QCbox
) || EQ (attr
, QCinherit
))
3738 value
= Fcar (Fread_from_string (value
, Qnil
, Qnil
));
3740 return Finternal_set_lisp_face_attribute (face
, attr
, value
, frame
);
3743 #endif /* HAVE_WINDOW_SYSTEM */
3746 /***********************************************************************
3748 ***********************************************************************/
3750 #if defined HAVE_X_WINDOWS && defined USE_X_TOOLKIT
3752 /* Make menus on frame F appear as specified by the `menu' face. */
3755 x_update_menu_appearance (f
)
3758 struct x_display_info
*dpyinfo
= FRAME_X_DISPLAY_INFO (f
);
3762 && (rdb
= XrmGetDatabase (FRAME_X_DISPLAY (f
)),
3766 Lisp_Object lface
= lface_from_face_name (f
, Qmenu
, 1);
3767 struct face
*face
= FACE_FROM_ID (f
, MENU_FACE_ID
);
3768 const char *myname
= SDATA (Vx_resource_name
);
3771 const char *popup_path
= "popup_menu";
3773 const char *popup_path
= "menu.popup";
3776 if (STRINGP (LFACE_FOREGROUND (lface
)))
3778 sprintf (line
, "%s.%s*foreground: %s",
3780 SDATA (LFACE_FOREGROUND (lface
)));
3781 XrmPutLineResource (&rdb
, line
);
3782 sprintf (line
, "%s.pane.menubar*foreground: %s",
3783 myname
, SDATA (LFACE_FOREGROUND (lface
)));
3784 XrmPutLineResource (&rdb
, line
);
3788 if (STRINGP (LFACE_BACKGROUND (lface
)))
3790 sprintf (line
, "%s.%s*background: %s",
3792 SDATA (LFACE_BACKGROUND (lface
)));
3793 XrmPutLineResource (&rdb
, line
);
3794 sprintf (line
, "%s.pane.menubar*background: %s",
3795 myname
, SDATA (LFACE_BACKGROUND (lface
)));
3796 XrmPutLineResource (&rdb
, line
);
3801 && (!UNSPECIFIEDP (LFACE_FAMILY (lface
))
3802 || !UNSPECIFIEDP (LFACE_FOUNDRY (lface
))
3803 || !UNSPECIFIEDP (LFACE_SWIDTH (lface
))
3804 || !UNSPECIFIEDP (LFACE_WEIGHT (lface
))
3805 || !UNSPECIFIEDP (LFACE_SLANT (lface
))
3806 || !UNSPECIFIEDP (LFACE_HEIGHT (lface
))))
3808 Lisp_Object xlfd
= Ffont_xlfd_name (LFACE_FONT (lface
), Qnil
);
3810 const char *suffix
= "List";
3813 #if defined HAVE_X_I18N
3815 const char *suffix
= "Set";
3817 const char *suffix
= "";
3824 #if defined HAVE_X_I18N
3825 extern char *xic_create_fontsetname
3826 P_ ((char *base_fontname
, Bool motif
));
3827 char *fontsetname
= xic_create_fontsetname (SDATA (xlfd
), motif
);
3829 char *fontsetname
= (char *) SDATA (xlfd
);
3831 sprintf (line
, "%s.pane.menubar*font%s: %s",
3832 myname
, suffix
, fontsetname
);
3833 XrmPutLineResource (&rdb
, line
);
3834 sprintf (line
, "%s.%s*font%s: %s",
3835 myname
, popup_path
, suffix
, fontsetname
);
3836 XrmPutLineResource (&rdb
, line
);
3838 if (fontsetname
!= (char *) SDATA (xlfd
))
3839 xfree (fontsetname
);
3843 if (changed_p
&& f
->output_data
.x
->menubar_widget
)
3844 free_frame_menubar (f
);
3848 #endif /* HAVE_X_WINDOWS && USE_X_TOOLKIT */
3851 DEFUN ("face-attribute-relative-p", Fface_attribute_relative_p
,
3852 Sface_attribute_relative_p
,
3854 doc
: /* Check whether a face attribute value is relative.
3855 Specifically, this function returns t if the attribute ATTRIBUTE
3856 with the value VALUE is relative.
3858 A relative value is one that doesn't entirely override whatever is
3859 inherited from another face. For most possible attributes,
3860 the only relative value that users see is `unspecified'.
3861 However, for :height, floating point values are also relative. */)
3863 Lisp_Object attribute
, value
;
3865 if (EQ (value
, Qunspecified
) || (EQ (value
, Qignore_defface
)))
3867 else if (EQ (attribute
, QCheight
))
3868 return INTEGERP (value
) ? Qnil
: Qt
;
3873 DEFUN ("merge-face-attribute", Fmerge_face_attribute
, Smerge_face_attribute
,
3875 doc
: /* Return face ATTRIBUTE VALUE1 merged with VALUE2.
3876 If VALUE1 or VALUE2 are absolute (see `face-attribute-relative-p'), then
3877 the result will be absolute, otherwise it will be relative. */)
3878 (attribute
, value1
, value2
)
3879 Lisp_Object attribute
, value1
, value2
;
3881 if (EQ (value1
, Qunspecified
) || EQ (value1
, Qignore_defface
))
3883 else if (EQ (attribute
, QCheight
))
3884 return merge_face_heights (value1
, value2
, value1
);
3890 DEFUN ("internal-get-lisp-face-attribute", Finternal_get_lisp_face_attribute
,
3891 Sinternal_get_lisp_face_attribute
,
3893 doc
: /* Return face attribute KEYWORD of face SYMBOL.
3894 If SYMBOL does not name a valid Lisp face or KEYWORD isn't a valid
3895 face attribute name, signal an error.
3896 If the optional argument FRAME is given, report on face SYMBOL in that
3897 frame. If FRAME is t, report on the defaults for face SYMBOL (for new
3898 frames). If FRAME is omitted or nil, use the selected frame. */)
3899 (symbol
, keyword
, frame
)
3900 Lisp_Object symbol
, keyword
, frame
;
3902 Lisp_Object lface
, value
= Qnil
;
3904 CHECK_SYMBOL (symbol
);
3905 CHECK_SYMBOL (keyword
);
3908 lface
= lface_from_face_name (NULL
, symbol
, 1);
3912 frame
= selected_frame
;
3913 CHECK_LIVE_FRAME (frame
);
3914 lface
= lface_from_face_name (XFRAME (frame
), symbol
, 1);
3917 if (EQ (keyword
, QCfamily
))
3918 value
= LFACE_FAMILY (lface
);
3919 else if (EQ (keyword
, QCfoundry
))
3920 value
= LFACE_FOUNDRY (lface
);
3921 else if (EQ (keyword
, QCheight
))
3922 value
= LFACE_HEIGHT (lface
);
3923 else if (EQ (keyword
, QCweight
))
3924 value
= LFACE_WEIGHT (lface
);
3925 else if (EQ (keyword
, QCslant
))
3926 value
= LFACE_SLANT (lface
);
3927 else if (EQ (keyword
, QCunderline
))
3928 value
= LFACE_UNDERLINE (lface
);
3929 else if (EQ (keyword
, QCoverline
))
3930 value
= LFACE_OVERLINE (lface
);
3931 else if (EQ (keyword
, QCstrike_through
))
3932 value
= LFACE_STRIKE_THROUGH (lface
);
3933 else if (EQ (keyword
, QCbox
))
3934 value
= LFACE_BOX (lface
);
3935 else if (EQ (keyword
, QCinverse_video
)
3936 || EQ (keyword
, QCreverse_video
))
3937 value
= LFACE_INVERSE (lface
);
3938 else if (EQ (keyword
, QCforeground
))
3939 value
= LFACE_FOREGROUND (lface
);
3940 else if (EQ (keyword
, QCbackground
))
3941 value
= LFACE_BACKGROUND (lface
);
3942 else if (EQ (keyword
, QCstipple
))
3943 value
= LFACE_STIPPLE (lface
);
3944 else if (EQ (keyword
, QCwidth
))
3945 value
= LFACE_SWIDTH (lface
);
3946 else if (EQ (keyword
, QCinherit
))
3947 value
= LFACE_INHERIT (lface
);
3948 else if (EQ (keyword
, QCfont
))
3949 value
= LFACE_FONT (lface
);
3950 else if (EQ (keyword
, QCfontset
))
3951 value
= LFACE_FONTSET (lface
);
3953 signal_error ("Invalid face attribute name", keyword
);
3955 if (IGNORE_DEFFACE_P (value
))
3956 return Qunspecified
;
3962 DEFUN ("internal-lisp-face-attribute-values",
3963 Finternal_lisp_face_attribute_values
,
3964 Sinternal_lisp_face_attribute_values
, 1, 1, 0,
3965 doc
: /* Return a list of valid discrete values for face attribute ATTR.
3966 Value is nil if ATTR doesn't have a discrete set of valid values. */)
3970 Lisp_Object result
= Qnil
;
3972 CHECK_SYMBOL (attr
);
3974 if (EQ (attr
, QCunderline
))
3975 result
= Fcons (Qt
, Fcons (Qnil
, Qnil
));
3976 else if (EQ (attr
, QCoverline
))
3977 result
= Fcons (Qt
, Fcons (Qnil
, Qnil
));
3978 else if (EQ (attr
, QCstrike_through
))
3979 result
= Fcons (Qt
, Fcons (Qnil
, Qnil
));
3980 else if (EQ (attr
, QCinverse_video
) || EQ (attr
, QCreverse_video
))
3981 result
= Fcons (Qt
, Fcons (Qnil
, Qnil
));
3987 DEFUN ("internal-merge-in-global-face", Finternal_merge_in_global_face
,
3988 Sinternal_merge_in_global_face
, 2, 2, 0,
3989 doc
: /* Add attributes from frame-default definition of FACE to FACE on FRAME.
3990 Default face attributes override any local face attributes. */)
3992 Lisp_Object face
, frame
;
3995 Lisp_Object global_lface
, local_lface
, *gvec
, *lvec
;
3996 struct frame
*f
= XFRAME (frame
);
3998 CHECK_LIVE_FRAME (frame
);
3999 global_lface
= lface_from_face_name (NULL
, face
, 1);
4000 local_lface
= lface_from_face_name (f
, face
, 0);
4001 if (NILP (local_lface
))
4002 local_lface
= Finternal_make_lisp_face (face
, frame
);
4004 /* Make every specified global attribute override the local one.
4005 BEWARE!! This is only used from `face-set-after-frame-default' where
4006 the local frame is defined from default specs in `face-defface-spec'
4007 and those should be overridden by global settings. Hence the strange
4008 "global before local" priority. */
4009 lvec
= XVECTOR (local_lface
)->contents
;
4010 gvec
= XVECTOR (global_lface
)->contents
;
4011 for (i
= 1; i
< LFACE_VECTOR_SIZE
; ++i
)
4012 if (IGNORE_DEFFACE_P (gvec
[i
]))
4013 lvec
[i
] = Qunspecified
;
4014 else if (! UNSPECIFIEDP (gvec
[i
]))
4017 /* If the default face was changed, update the face cache and the
4018 `font' frame parameter. */
4019 if (EQ (face
, Qdefault
))
4021 struct face_cache
*c
= FRAME_FACE_CACHE (f
);
4022 struct face
*newface
, *oldface
= FACE_FROM_ID (f
, DEFAULT_FACE_ID
);
4023 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
4025 /* This can be NULL (e.g., in batch mode). */
4028 /* Ensure that the face vector is fully specified by merging
4029 the previously-cached vector. */
4030 bcopy (oldface
->lface
, attrs
, sizeof attrs
);
4031 merge_face_vectors (f
, lvec
, attrs
, 0);
4032 bcopy (attrs
, lvec
, sizeof attrs
);
4033 newface
= realize_face (c
, lvec
, DEFAULT_FACE_ID
);
4035 if ((! UNSPECIFIEDP (gvec
[LFACE_FAMILY_INDEX
])
4036 || ! UNSPECIFIEDP (gvec
[LFACE_FOUNDRY_INDEX
])
4037 || ! UNSPECIFIEDP (gvec
[LFACE_HEIGHT_INDEX
])
4038 || ! UNSPECIFIEDP (gvec
[LFACE_WEIGHT_INDEX
])
4039 || ! UNSPECIFIEDP (gvec
[LFACE_SLANT_INDEX
])
4040 || ! UNSPECIFIEDP (gvec
[LFACE_SWIDTH_INDEX
])
4041 || ! UNSPECIFIEDP (gvec
[LFACE_FONT_INDEX
]))
4044 Lisp_Object name
= newface
->font
->props
[FONT_NAME_INDEX
];
4045 Fmodify_frame_parameters (frame
, Fcons (Fcons (Qfont
, name
),
4055 /* The following function is implemented for compatibility with 20.2.
4056 The function is used in x-resolve-fonts when it is asked to
4057 return fonts with the same size as the font of a face. This is
4058 done in fontset.el. */
4060 DEFUN ("face-font", Fface_font
, Sface_font
, 1, 3, 0,
4061 doc
: /* Return the font name of face FACE, or nil if it is unspecified.
4062 The font name is, by default, for ASCII characters.
4063 If the optional argument FRAME is given, report on face FACE in that frame.
4064 If FRAME is t, report on the defaults for face FACE (for new frames).
4065 The font default for a face is either nil, or a list
4066 of the form (bold), (italic) or (bold italic).
4067 If FRAME is omitted or nil, use the selected frame. And, in this case,
4068 if the optional third argument CHARACTER is given,
4069 return the font name used for CHARACTER. */)
4070 (face
, frame
, character
)
4071 Lisp_Object face
, frame
, character
;
4075 Lisp_Object result
= Qnil
;
4076 Lisp_Object lface
= lface_from_face_name (NULL
, face
, 1);
4078 if (!UNSPECIFIEDP (LFACE_WEIGHT (lface
))
4079 && !EQ (LFACE_WEIGHT (lface
), Qnormal
))
4080 result
= Fcons (Qbold
, result
);
4082 if (!UNSPECIFIEDP (LFACE_SLANT (lface
))
4083 && !EQ (LFACE_SLANT (lface
), Qnormal
))
4084 result
= Fcons (Qitalic
, result
);
4090 struct frame
*f
= frame_or_selected_frame (frame
, 1);
4091 int face_id
= lookup_named_face (f
, face
, 1);
4092 struct face
*face
= FACE_FROM_ID (f
, face_id
);
4096 #ifdef HAVE_WINDOW_SYSTEM
4097 if (FRAME_WINDOW_P (f
) && !NILP (character
))
4099 CHECK_CHARACTER (character
);
4100 face_id
= FACE_FOR_CHAR (f
, face
, XINT (character
), -1, Qnil
);
4101 face
= FACE_FROM_ID (f
, face_id
);
4104 ? face
->font
->props
[FONT_NAME_INDEX
]
4106 #else /* !HAVE_WINDOW_SYSTEM */
4107 return build_string (FRAME_MSDOS_P (f
)
4109 : FRAME_W32_P (f
) ? "w32term"
4116 /* Compare face-attribute values v1 and v2 for equality. Value is non-zero if
4117 all attributes are `equal'. Tries to be fast because this function
4118 is called quite often. */
4121 face_attr_equal_p (v1
, v2
)
4124 /* Type can differ, e.g. when one attribute is unspecified, i.e. nil,
4125 and the other is specified. */
4126 if (XTYPE (v1
) != XTYPE (v2
))
4135 if (SBYTES (v1
) != SBYTES (v2
))
4138 return bcmp (SDATA (v1
), SDATA (v2
), SBYTES (v1
)) == 0;
4145 return !NILP (Fequal (v1
, v2
));
4150 /* Compare face vectors V1 and V2 for equality. Value is non-zero if
4151 all attributes are `equal'. Tries to be fast because this function
4152 is called quite often. */
4155 lface_equal_p (v1
, v2
)
4156 Lisp_Object
*v1
, *v2
;
4160 for (i
= 1; i
< LFACE_VECTOR_SIZE
&& equal_p
; ++i
)
4161 equal_p
= face_attr_equal_p (v1
[i
], v2
[i
]);
4167 DEFUN ("internal-lisp-face-equal-p", Finternal_lisp_face_equal_p
,
4168 Sinternal_lisp_face_equal_p
, 2, 3, 0,
4169 doc
: /* True if FACE1 and FACE2 are equal.
4170 If the optional argument FRAME is given, report on FACE1 and FACE2 in that frame.
4171 If FRAME is t, report on the defaults for FACE1 and FACE2 (for new frames).
4172 If FRAME is omitted or nil, use the selected frame. */)
4173 (face1
, face2
, frame
)
4174 Lisp_Object face1
, face2
, frame
;
4178 Lisp_Object lface1
, lface2
;
4183 /* Don't use check_x_frame here because this function is called
4184 before X frames exist. At that time, if FRAME is nil,
4185 selected_frame will be used which is the frame dumped with
4186 Emacs. That frame is not an X frame. */
4187 f
= frame_or_selected_frame (frame
, 2);
4189 lface1
= lface_from_face_name (f
, face1
, 1);
4190 lface2
= lface_from_face_name (f
, face2
, 1);
4191 equal_p
= lface_equal_p (XVECTOR (lface1
)->contents
,
4192 XVECTOR (lface2
)->contents
);
4193 return equal_p
? Qt
: Qnil
;
4197 DEFUN ("internal-lisp-face-empty-p", Finternal_lisp_face_empty_p
,
4198 Sinternal_lisp_face_empty_p
, 1, 2, 0,
4199 doc
: /* True if FACE has no attribute specified.
4200 If the optional argument FRAME is given, report on face FACE in that frame.
4201 If FRAME is t, report on the defaults for face FACE (for new frames).
4202 If FRAME is omitted or nil, use the selected frame. */)
4204 Lisp_Object face
, frame
;
4211 frame
= selected_frame
;
4212 CHECK_LIVE_FRAME (frame
);
4216 lface
= lface_from_face_name (NULL
, face
, 1);
4218 lface
= lface_from_face_name (f
, face
, 1);
4220 for (i
= 1; i
< LFACE_VECTOR_SIZE
; ++i
)
4221 if (!UNSPECIFIEDP (AREF (lface
, i
)))
4224 return i
== LFACE_VECTOR_SIZE
? Qt
: Qnil
;
4228 DEFUN ("frame-face-alist", Fframe_face_alist
, Sframe_face_alist
,
4230 doc
: /* Return an alist of frame-local faces defined on FRAME.
4231 For internal use only. */)
4235 struct frame
*f
= frame_or_selected_frame (frame
, 0);
4236 return f
->face_alist
;
4240 /* Return a hash code for Lisp string STRING with case ignored. Used
4241 below in computing a hash value for a Lisp face. */
4243 static INLINE
unsigned
4244 hash_string_case_insensitive (string
)
4247 const unsigned char *s
;
4249 xassert (STRINGP (string
));
4250 for (s
= SDATA (string
); *s
; ++s
)
4251 hash
= (hash
<< 1) ^ tolower (*s
);
4256 /* Return a hash code for face attribute vector V. */
4258 static INLINE
unsigned
4262 return (hash_string_case_insensitive (v
[LFACE_FAMILY_INDEX
])
4263 ^ hash_string_case_insensitive (v
[LFACE_FOUNDRY_INDEX
])
4264 ^ hash_string_case_insensitive (v
[LFACE_FOREGROUND_INDEX
])
4265 ^ hash_string_case_insensitive (v
[LFACE_BACKGROUND_INDEX
])
4266 ^ XHASH (v
[LFACE_WEIGHT_INDEX
])
4267 ^ XHASH (v
[LFACE_SLANT_INDEX
])
4268 ^ XHASH (v
[LFACE_SWIDTH_INDEX
])
4269 ^ XHASH (v
[LFACE_HEIGHT_INDEX
]));
4273 /* Return non-zero if LFACE1 and LFACE2 specify the same font (without
4274 considering charsets/registries). They do if they specify the same
4275 family, point size, weight, width, slant, and font. Both
4276 LFACE1 and LFACE2 must be fully-specified. */
4279 lface_same_font_attributes_p (lface1
, lface2
)
4280 Lisp_Object
*lface1
, *lface2
;
4282 xassert (lface_fully_specified_p (lface1
)
4283 && lface_fully_specified_p (lface2
));
4284 return (xstrcasecmp (SDATA (lface1
[LFACE_FAMILY_INDEX
]),
4285 SDATA (lface2
[LFACE_FAMILY_INDEX
])) == 0
4286 && xstrcasecmp (SDATA (lface1
[LFACE_FOUNDRY_INDEX
]),
4287 SDATA (lface2
[LFACE_FOUNDRY_INDEX
])) == 0
4288 && EQ (lface1
[LFACE_HEIGHT_INDEX
], lface2
[LFACE_HEIGHT_INDEX
])
4289 && EQ (lface1
[LFACE_SWIDTH_INDEX
], lface2
[LFACE_SWIDTH_INDEX
])
4290 && EQ (lface1
[LFACE_WEIGHT_INDEX
], lface2
[LFACE_WEIGHT_INDEX
])
4291 && EQ (lface1
[LFACE_SLANT_INDEX
], lface2
[LFACE_SLANT_INDEX
])
4292 && EQ (lface1
[LFACE_FONT_INDEX
], lface2
[LFACE_FONT_INDEX
])
4293 && (EQ (lface1
[LFACE_FONTSET_INDEX
], lface2
[LFACE_FONTSET_INDEX
])
4294 || (STRINGP (lface1
[LFACE_FONTSET_INDEX
])
4295 && STRINGP (lface2
[LFACE_FONTSET_INDEX
])
4296 && ! xstrcasecmp (SDATA (lface1
[LFACE_FONTSET_INDEX
]),
4297 SDATA (lface2
[LFACE_FONTSET_INDEX
]))))
4303 /***********************************************************************
4305 ***********************************************************************/
4307 /* Allocate and return a new realized face for Lisp face attribute
4310 static struct face
*
4311 make_realized_face (attr
)
4314 struct face
*face
= (struct face
*) xmalloc (sizeof *face
);
4315 bzero (face
, sizeof *face
);
4316 face
->ascii_face
= face
;
4317 bcopy (attr
, face
->lface
, sizeof face
->lface
);
4322 /* Free realized face FACE, including its X resources. FACE may
4326 free_realized_face (f
, face
)
4332 #ifdef HAVE_WINDOW_SYSTEM
4333 if (FRAME_WINDOW_P (f
))
4335 /* Free fontset of FACE if it is ASCII face. */
4336 if (face
->fontset
>= 0 && face
== face
->ascii_face
)
4337 free_face_fontset (f
, face
);
4342 font_done_for_face (f
, face
);
4343 x_free_gc (f
, face
->gc
);
4348 free_face_colors (f
, face
);
4349 x_destroy_bitmap (f
, face
->stipple
);
4351 #endif /* HAVE_WINDOW_SYSTEM */
4358 /* Prepare face FACE for subsequent display on frame F. This
4359 allocated GCs if they haven't been allocated yet or have been freed
4360 by clearing the face cache. */
4363 prepare_face_for_display (f
, face
)
4367 #ifdef HAVE_WINDOW_SYSTEM
4368 xassert (FRAME_WINDOW_P (f
));
4373 unsigned long mask
= GCForeground
| GCBackground
| GCGraphicsExposures
;
4375 xgcv
.foreground
= face
->foreground
;
4376 xgcv
.background
= face
->background
;
4377 #ifdef HAVE_X_WINDOWS
4378 xgcv
.graphics_exposures
= False
;
4382 #ifdef HAVE_X_WINDOWS
4385 xgcv
.fill_style
= FillOpaqueStippled
;
4386 xgcv
.stipple
= x_bitmap_pixmap (f
, face
->stipple
);
4387 mask
|= GCFillStyle
| GCStipple
;
4390 face
->gc
= x_create_gc (f
, mask
, &xgcv
);
4392 font_prepare_for_face (f
, face
);
4395 #endif /* HAVE_WINDOW_SYSTEM */
4399 /* Returns the `distance' between the colors X and Y. */
4402 color_distance (x
, y
)
4405 /* This formula is from a paper title `Colour metric' by Thiadmer Riemersma.
4406 Quoting from that paper:
4408 This formula has results that are very close to L*u*v* (with the
4409 modified lightness curve) and, more importantly, it is a more even
4410 algorithm: it does not have a range of colours where it suddenly
4411 gives far from optimal results.
4413 See <http://www.compuphase.com/cmetric.htm> for more info. */
4415 long r
= (x
->red
- y
->red
) >> 8;
4416 long g
= (x
->green
- y
->green
) >> 8;
4417 long b
= (x
->blue
- y
->blue
) >> 8;
4418 long r_mean
= (x
->red
+ y
->red
) >> 9;
4421 (((512 + r_mean
) * r
* r
) >> 8)
4423 + (((767 - r_mean
) * b
* b
) >> 8);
4427 DEFUN ("color-distance", Fcolor_distance
, Scolor_distance
, 2, 3, 0,
4428 doc
: /* Return an integer distance between COLOR1 and COLOR2 on FRAME.
4429 COLOR1 and COLOR2 may be either strings containing the color name,
4430 or lists of the form (RED GREEN BLUE).
4431 If FRAME is unspecified or nil, the current frame is used. */)
4432 (color1
, color2
, frame
)
4433 Lisp_Object color1
, color2
, frame
;
4436 XColor cdef1
, cdef2
;
4439 frame
= selected_frame
;
4440 CHECK_LIVE_FRAME (frame
);
4443 if (!(CONSP (color1
) && parse_rgb_list (color1
, &cdef1
))
4444 && !(STRINGP (color1
) && defined_color (f
, SDATA (color1
), &cdef1
, 0)))
4445 signal_error ("Invalid color", color1
);
4446 if (!(CONSP (color2
) && parse_rgb_list (color2
, &cdef2
))
4447 && !(STRINGP (color2
) && defined_color (f
, SDATA (color2
), &cdef2
, 0)))
4448 signal_error ("Invalid color", color2
);
4450 return make_number (color_distance (&cdef1
, &cdef2
));
4454 /***********************************************************************
4456 ***********************************************************************/
4458 /* Return a new face cache for frame F. */
4460 static struct face_cache
*
4464 struct face_cache
*c
;
4467 c
= (struct face_cache
*) xmalloc (sizeof *c
);
4468 bzero (c
, sizeof *c
);
4469 size
= FACE_CACHE_BUCKETS_SIZE
* sizeof *c
->buckets
;
4470 c
->buckets
= (struct face
**) xmalloc (size
);
4471 bzero (c
->buckets
, size
);
4473 c
->faces_by_id
= (struct face
**) xmalloc (c
->size
* sizeof *c
->faces_by_id
);
4475 c
->menu_face_changed_p
= menu_face_changed_default
;
4480 /* Clear out all graphics contexts for all realized faces, except for
4481 the basic faces. This should be done from time to time just to avoid
4482 keeping too many graphics contexts that are no longer needed. */
4486 struct face_cache
*c
;
4488 if (c
&& FRAME_WINDOW_P (c
->f
))
4490 #ifdef HAVE_WINDOW_SYSTEM
4492 for (i
= BASIC_FACE_ID_SENTINEL
; i
< c
->used
; ++i
)
4494 struct face
*face
= c
->faces_by_id
[i
];
4495 if (face
&& face
->gc
)
4499 font_done_for_face (c
->f
, face
);
4500 x_free_gc (c
->f
, face
->gc
);
4505 #endif /* HAVE_WINDOW_SYSTEM */
4510 /* Free all realized faces in face cache C, including basic faces.
4511 C may be null. If faces are freed, make sure the frame's current
4512 matrix is marked invalid, so that a display caused by an expose
4513 event doesn't try to use faces we destroyed. */
4516 free_realized_faces (c
)
4517 struct face_cache
*c
;
4522 struct frame
*f
= c
->f
;
4524 /* We must block input here because we can't process X events
4525 safely while only some faces are freed, or when the frame's
4526 current matrix still references freed faces. */
4529 for (i
= 0; i
< c
->used
; ++i
)
4531 free_realized_face (f
, c
->faces_by_id
[i
]);
4532 c
->faces_by_id
[i
] = NULL
;
4536 size
= FACE_CACHE_BUCKETS_SIZE
* sizeof *c
->buckets
;
4537 bzero (c
->buckets
, size
);
4539 /* Must do a thorough redisplay the next time. Mark current
4540 matrices as invalid because they will reference faces freed
4541 above. This function is also called when a frame is
4542 destroyed. In this case, the root window of F is nil. */
4543 if (WINDOWP (f
->root_window
))
4545 clear_current_matrices (f
);
4546 ++windows_or_buffers_changed
;
4554 /* Free all realized faces that are using FONTSET on frame F. */
4557 free_realized_faces_for_fontset (f
, fontset
)
4561 struct face_cache
*cache
= FRAME_FACE_CACHE (f
);
4565 /* We must block input here because we can't process X events safely
4566 while only some faces are freed, or when the frame's current
4567 matrix still references freed faces. */
4570 for (i
= 0; i
< cache
->used
; i
++)
4572 face
= cache
->faces_by_id
[i
];
4574 && face
->fontset
== fontset
)
4576 uncache_face (cache
, face
);
4577 free_realized_face (f
, face
);
4581 /* Must do a thorough redisplay the next time. Mark current
4582 matrices as invalid because they will reference faces freed
4583 above. This function is also called when a frame is destroyed.
4584 In this case, the root window of F is nil. */
4585 if (WINDOWP (f
->root_window
))
4587 clear_current_matrices (f
);
4588 ++windows_or_buffers_changed
;
4595 /* Free all realized faces on FRAME or on all frames if FRAME is nil.
4596 This is done after attributes of a named face have been changed,
4597 because we can't tell which realized faces depend on that face. */
4600 free_all_realized_faces (frame
)
4606 FOR_EACH_FRAME (rest
, frame
)
4607 free_realized_faces (FRAME_FACE_CACHE (XFRAME (frame
)));
4610 free_realized_faces (FRAME_FACE_CACHE (XFRAME (frame
)));
4614 /* Free face cache C and faces in it, including their X resources. */
4618 struct face_cache
*c
;
4622 free_realized_faces (c
);
4624 xfree (c
->faces_by_id
);
4630 /* Cache realized face FACE in face cache C. HASH is the hash value
4631 of FACE. If FACE is for ASCII characters (i.e. FACE->ascii_face ==
4632 FACE), insert the new face to the beginning of the collision list
4633 of the face hash table of C. Otherwise, add the new face to the
4634 end of the collision list. This way, lookup_face can quickly find
4635 that a requested face is not cached. */
4638 cache_face (c
, face
, hash
)
4639 struct face_cache
*c
;
4643 int i
= hash
% FACE_CACHE_BUCKETS_SIZE
;
4647 if (face
->ascii_face
!= face
)
4649 struct face
*last
= c
->buckets
[i
];
4660 c
->buckets
[i
] = face
;
4661 face
->prev
= face
->next
= NULL
;
4667 face
->next
= c
->buckets
[i
];
4669 face
->next
->prev
= face
;
4670 c
->buckets
[i
] = face
;
4673 /* Find a free slot in C->faces_by_id and use the index of the free
4674 slot as FACE->id. */
4675 for (i
= 0; i
< c
->used
; ++i
)
4676 if (c
->faces_by_id
[i
] == NULL
)
4680 /* Maybe enlarge C->faces_by_id. */
4683 if (c
->used
== c
->size
)
4686 new_size
= min (2 * c
->size
, MAX_FACE_ID
);
4687 if (new_size
== c
->size
)
4688 abort (); /* Alternatives? ++kfs */
4689 sz
= new_size
* sizeof *c
->faces_by_id
;
4690 c
->faces_by_id
= (struct face
**) xrealloc (c
->faces_by_id
, sz
);
4697 /* Check that FACE got a unique id. */
4702 for (j
= n
= 0; j
< FACE_CACHE_BUCKETS_SIZE
; ++j
)
4703 for (face
= c
->buckets
[j
]; face
; face
= face
->next
)
4709 #endif /* GLYPH_DEBUG */
4711 c
->faces_by_id
[i
] = face
;
4715 /* Remove face FACE from cache C. */
4718 uncache_face (c
, face
)
4719 struct face_cache
*c
;
4722 int i
= face
->hash
% FACE_CACHE_BUCKETS_SIZE
;
4725 face
->prev
->next
= face
->next
;
4727 c
->buckets
[i
] = face
->next
;
4730 face
->next
->prev
= face
->prev
;
4732 c
->faces_by_id
[face
->id
] = NULL
;
4733 if (face
->id
== c
->used
)
4738 /* Look up a realized face with face attributes ATTR in the face cache
4739 of frame F. The face will be used to display ASCII characters.
4740 Value is the ID of the face found. If no suitable face is found,
4741 realize a new one. */
4744 lookup_face (f
, attr
)
4748 struct face_cache
*cache
= FRAME_FACE_CACHE (f
);
4753 xassert (cache
!= NULL
);
4754 check_lface_attrs (attr
);
4756 /* Look up ATTR in the face cache. */
4757 hash
= lface_hash (attr
);
4758 i
= hash
% FACE_CACHE_BUCKETS_SIZE
;
4760 for (face
= cache
->buckets
[i
]; face
; face
= face
->next
)
4762 if (face
->ascii_face
!= face
)
4764 /* There's no more ASCII face. */
4768 if (face
->hash
== hash
4769 && lface_equal_p (face
->lface
, attr
))
4773 /* If not found, realize a new face. */
4775 face
= realize_face (cache
, attr
, -1);
4778 xassert (face
== FACE_FROM_ID (f
, face
->id
));
4779 #endif /* GLYPH_DEBUG */
4784 #ifdef HAVE_WINDOW_SYSTEM
4785 /* Look up a realized face that has the same attributes as BASE_FACE
4786 except for the font in the face cache of frame F. If FONT-OBJECT
4787 is not nil, it is an already opened font. If FONT-OBJECT is nil,
4788 the face has no font. Value is the ID of the face found. If no
4789 suitable face is found, realize a new one. */
4792 face_for_font (f
, font_object
, base_face
)
4794 Lisp_Object font_object
;
4795 struct face
*base_face
;
4797 struct face_cache
*cache
= FRAME_FACE_CACHE (f
);
4802 xassert (cache
!= NULL
);
4803 base_face
= base_face
->ascii_face
;
4804 hash
= lface_hash (base_face
->lface
);
4805 i
= hash
% FACE_CACHE_BUCKETS_SIZE
;
4807 for (face
= cache
->buckets
[i
]; face
; face
= face
->next
)
4809 if (face
->ascii_face
== face
)
4811 if (face
->ascii_face
== base_face
4812 && face
->font
== (NILP (font_object
) ? NULL
4813 : XFONT_OBJECT (font_object
))
4814 && lface_equal_p (face
->lface
, base_face
->lface
))
4818 /* If not found, realize a new face. */
4819 face
= realize_non_ascii_face (f
, font_object
, base_face
);
4822 #endif /* HAVE_WINDOW_SYSTEM */
4824 /* Return the face id of the realized face for named face SYMBOL on
4825 frame F suitable for displaying ASCII characters. Value is -1 if
4826 the face couldn't be determined, which might happen if the default
4827 face isn't realized and cannot be realized. */
4830 lookup_named_face (f
, symbol
, signal_p
)
4835 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
4836 Lisp_Object symbol_attrs
[LFACE_VECTOR_SIZE
];
4837 struct face
*default_face
= FACE_FROM_ID (f
, DEFAULT_FACE_ID
);
4839 if (default_face
== NULL
)
4841 if (!realize_basic_faces (f
))
4843 default_face
= FACE_FROM_ID (f
, DEFAULT_FACE_ID
);
4844 if (default_face
== NULL
)
4845 abort (); /* realize_basic_faces must have set it up */
4848 if (! get_lface_attributes (f
, symbol
, symbol_attrs
, signal_p
, 0))
4851 bcopy (default_face
->lface
, attrs
, sizeof attrs
);
4852 merge_face_vectors (f
, symbol_attrs
, attrs
, 0);
4854 return lookup_face (f
, attrs
);
4858 /* Return the display face-id of the basic face who's canonical face-id
4859 is FACE_ID. The return value will usually simply be FACE_ID, unless that
4860 basic face has bee remapped via Vface_remapping_alist. This function is
4861 conservative: if something goes wrong, it will simply return FACE_ID
4862 rather than signal an error. */
4865 lookup_basic_face (f
, face_id
)
4869 Lisp_Object name
, mapping
;
4870 int remapped_face_id
;
4872 if (NILP (Vface_remapping_alist
))
4873 return face_id
; /* Nothing to do. */
4877 case DEFAULT_FACE_ID
: name
= Qdefault
; break;
4878 case MODE_LINE_FACE_ID
: name
= Qmode_line
; break;
4879 case MODE_LINE_INACTIVE_FACE_ID
: name
= Qmode_line_inactive
; break;
4880 case HEADER_LINE_FACE_ID
: name
= Qheader_line
; break;
4881 case TOOL_BAR_FACE_ID
: name
= Qtool_bar
; break;
4882 case FRINGE_FACE_ID
: name
= Qfringe
; break;
4883 case SCROLL_BAR_FACE_ID
: name
= Qscroll_bar
; break;
4884 case BORDER_FACE_ID
: name
= Qborder
; break;
4885 case CURSOR_FACE_ID
: name
= Qcursor
; break;
4886 case MOUSE_FACE_ID
: name
= Qmouse
; break;
4887 case MENU_FACE_ID
: name
= Qmenu
; break;
4890 abort (); /* the caller is supposed to pass us a basic face id */
4893 /* Do a quick scan through Vface_remapping_alist, and return immediately
4894 if there is no remapping for face NAME. This is just an optimization
4895 for the very common no-remapping case. */
4896 mapping
= assq_no_quit (name
, Vface_remapping_alist
);
4898 return face_id
; /* Give up. */
4900 /* If there is a remapping entry, lookup the face using NAME, which will
4901 handle the remapping too. */
4902 remapped_face_id
= lookup_named_face (f
, name
, 0);
4903 if (remapped_face_id
< 0)
4904 return face_id
; /* Give up. */
4906 return remapped_face_id
;
4910 /* Return the ID of the realized ASCII face of Lisp face with ID
4911 LFACE_ID on frame F. Value is -1 if LFACE_ID isn't valid. */
4914 ascii_face_of_lisp_face (f
, lface_id
)
4920 if (lface_id
>= 0 && lface_id
< lface_id_to_name_size
)
4922 Lisp_Object face_name
= lface_id_to_name
[lface_id
];
4923 face_id
= lookup_named_face (f
, face_name
, 1);
4932 /* Return a face for charset ASCII that is like the face with id
4933 FACE_ID on frame F, but has a font that is STEPS steps smaller.
4934 STEPS < 0 means larger. Value is the id of the face. */
4937 smaller_face (f
, face_id
, steps
)
4941 #ifdef HAVE_WINDOW_SYSTEM
4943 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
4944 int pt
, last_pt
, last_height
;
4947 struct face
*new_face
;
4949 /* If not called for an X frame, just return the original face. */
4950 if (FRAME_TERMCAP_P (f
))
4953 /* Try in increments of 1/2 pt. */
4954 delta
= steps
< 0 ? 5 : -5;
4955 steps
= eabs (steps
);
4957 face
= FACE_FROM_ID (f
, face_id
);
4958 bcopy (face
->lface
, attrs
, sizeof attrs
);
4959 pt
= last_pt
= XFASTINT (attrs
[LFACE_HEIGHT_INDEX
]);
4960 new_face_id
= face_id
;
4961 last_height
= FONT_HEIGHT (face
->font
);
4965 /* Give up if we cannot find a font within 10pt. */
4966 && eabs (last_pt
- pt
) < 100)
4968 /* Look up a face for a slightly smaller/larger font. */
4970 attrs
[LFACE_HEIGHT_INDEX
] = make_number (pt
);
4971 new_face_id
= lookup_face (f
, attrs
);
4972 new_face
= FACE_FROM_ID (f
, new_face_id
);
4974 /* If height changes, count that as one step. */
4975 if ((delta
< 0 && FONT_HEIGHT (new_face
->font
) < last_height
)
4976 || (delta
> 0 && FONT_HEIGHT (new_face
->font
) > last_height
))
4979 last_height
= FONT_HEIGHT (new_face
->font
);
4986 #else /* not HAVE_WINDOW_SYSTEM */
4990 #endif /* not HAVE_WINDOW_SYSTEM */
4994 /* Return a face for charset ASCII that is like the face with id
4995 FACE_ID on frame F, but has height HEIGHT. */
4998 face_with_height (f
, face_id
, height
)
5003 #ifdef HAVE_WINDOW_SYSTEM
5005 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
5007 if (FRAME_TERMCAP_P (f
)
5011 face
= FACE_FROM_ID (f
, face_id
);
5012 bcopy (face
->lface
, attrs
, sizeof attrs
);
5013 attrs
[LFACE_HEIGHT_INDEX
] = make_number (height
);
5014 face_id
= lookup_face (f
, attrs
);
5015 #endif /* HAVE_WINDOW_SYSTEM */
5021 /* Return the face id of the realized face for named face SYMBOL on
5022 frame F suitable for displaying ASCII characters, and use
5023 attributes of the face FACE_ID for attributes that aren't
5024 completely specified by SYMBOL. This is like lookup_named_face,
5025 except that the default attributes come from FACE_ID, not from the
5026 default face. FACE_ID is assumed to be already realized. */
5029 lookup_derived_face (f
, symbol
, face_id
, signal_p
)
5035 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
5036 Lisp_Object symbol_attrs
[LFACE_VECTOR_SIZE
];
5037 struct face
*default_face
= FACE_FROM_ID (f
, face_id
);
5042 get_lface_attributes (f
, symbol
, symbol_attrs
, signal_p
, 0);
5043 bcopy (default_face
->lface
, attrs
, sizeof attrs
);
5044 merge_face_vectors (f
, symbol_attrs
, attrs
, 0);
5045 return lookup_face (f
, attrs
);
5048 DEFUN ("face-attributes-as-vector", Fface_attributes_as_vector
,
5049 Sface_attributes_as_vector
, 1, 1, 0,
5050 doc
: /* Return a vector of face attributes corresponding to PLIST. */)
5055 lface
= Fmake_vector (make_number (LFACE_VECTOR_SIZE
),
5057 merge_face_ref (XFRAME (selected_frame
), plist
, XVECTOR (lface
)->contents
,
5064 /***********************************************************************
5065 Face capability testing
5066 ***********************************************************************/
5069 /* If the distance (as returned by color_distance) between two colors is
5070 less than this, then they are considered the same, for determining
5071 whether a color is supported or not. The range of values is 0-65535. */
5073 #define TTY_SAME_COLOR_THRESHOLD 10000
5075 #ifdef HAVE_WINDOW_SYSTEM
5077 /* Return non-zero if all the face attributes in ATTRS are supported
5078 on the window-system frame F.
5080 The definition of `supported' is somewhat heuristic, but basically means
5081 that a face containing all the attributes in ATTRS, when merged with the
5082 default face for display, can be represented in a way that's
5084 \(1) different in appearance than the default face, and
5085 \(2) `close in spirit' to what the attributes specify, if not exact. */
5088 x_supports_face_attributes_p (f
, attrs
, def_face
)
5091 struct face
*def_face
;
5093 Lisp_Object
*def_attrs
= def_face
->lface
;
5095 /* Check that other specified attributes are different that the default
5097 if ((!UNSPECIFIEDP (attrs
[LFACE_UNDERLINE_INDEX
])
5098 && face_attr_equal_p (attrs
[LFACE_UNDERLINE_INDEX
],
5099 def_attrs
[LFACE_UNDERLINE_INDEX
]))
5100 || (!UNSPECIFIEDP (attrs
[LFACE_INVERSE_INDEX
])
5101 && face_attr_equal_p (attrs
[LFACE_INVERSE_INDEX
],
5102 def_attrs
[LFACE_INVERSE_INDEX
]))
5103 || (!UNSPECIFIEDP (attrs
[LFACE_FOREGROUND_INDEX
])
5104 && face_attr_equal_p (attrs
[LFACE_FOREGROUND_INDEX
],
5105 def_attrs
[LFACE_FOREGROUND_INDEX
]))
5106 || (!UNSPECIFIEDP (attrs
[LFACE_BACKGROUND_INDEX
])
5107 && face_attr_equal_p (attrs
[LFACE_BACKGROUND_INDEX
],
5108 def_attrs
[LFACE_BACKGROUND_INDEX
]))
5109 || (!UNSPECIFIEDP (attrs
[LFACE_STIPPLE_INDEX
])
5110 && face_attr_equal_p (attrs
[LFACE_STIPPLE_INDEX
],
5111 def_attrs
[LFACE_STIPPLE_INDEX
]))
5112 || (!UNSPECIFIEDP (attrs
[LFACE_OVERLINE_INDEX
])
5113 && face_attr_equal_p (attrs
[LFACE_OVERLINE_INDEX
],
5114 def_attrs
[LFACE_OVERLINE_INDEX
]))
5115 || (!UNSPECIFIEDP (attrs
[LFACE_STRIKE_THROUGH_INDEX
])
5116 && face_attr_equal_p (attrs
[LFACE_STRIKE_THROUGH_INDEX
],
5117 def_attrs
[LFACE_STRIKE_THROUGH_INDEX
]))
5118 || (!UNSPECIFIEDP (attrs
[LFACE_BOX_INDEX
])
5119 && face_attr_equal_p (attrs
[LFACE_BOX_INDEX
],
5120 def_attrs
[LFACE_BOX_INDEX
])))
5123 /* Check font-related attributes, as those are the most commonly
5124 "unsupported" on a window-system (because of missing fonts). */
5125 if (!UNSPECIFIEDP (attrs
[LFACE_FAMILY_INDEX
])
5126 || !UNSPECIFIEDP (attrs
[LFACE_FOUNDRY_INDEX
])
5127 || !UNSPECIFIEDP (attrs
[LFACE_HEIGHT_INDEX
])
5128 || !UNSPECIFIEDP (attrs
[LFACE_WEIGHT_INDEX
])
5129 || !UNSPECIFIEDP (attrs
[LFACE_SLANT_INDEX
])
5130 || !UNSPECIFIEDP (attrs
[LFACE_SWIDTH_INDEX
]))
5134 Lisp_Object merged_attrs
[LFACE_VECTOR_SIZE
];
5137 bcopy (def_attrs
, merged_attrs
, sizeof merged_attrs
);
5139 merge_face_vectors (f
, attrs
, merged_attrs
, 0);
5141 face_id
= lookup_face (f
, merged_attrs
);
5142 face
= FACE_FROM_ID (f
, face_id
);
5145 error ("Cannot make face");
5147 /* If the font is the same, or no font is found, then not
5149 if (face
->font
== def_face
->font
5152 for (i
= FONT_TYPE_INDEX
; i
<= FONT_SIZE_INDEX
; i
++)
5153 if (! EQ (face
->font
->props
[i
], def_face
->font
->props
[i
]))
5157 if (i
< FONT_FOUNDRY_INDEX
|| i
> FONT_REGISTRY_INDEX
5158 || face
->font
->driver
->case_sensitive
)
5160 s1
= SYMBOL_NAME (face
->font
->props
[i
]);
5161 s2
= SYMBOL_NAME (def_face
->font
->props
[i
]);
5162 if (! EQ (Fcompare_strings (s1
, make_number (0), Qnil
,
5163 s2
, make_number (0), Qnil
, Qt
), Qt
))
5169 /* Everything checks out, this face is supported. */
5173 #endif /* HAVE_WINDOW_SYSTEM */
5175 /* Return non-zero if all the face attributes in ATTRS are supported
5178 The definition of `supported' is somewhat heuristic, but basically means
5179 that a face containing all the attributes in ATTRS, when merged
5180 with the default face for display, can be represented in a way that's
5182 \(1) different in appearance than the default face, and
5183 \(2) `close in spirit' to what the attributes specify, if not exact.
5185 Point (2) implies that a `:weight black' attribute will be satisfied
5186 by any terminal that can display bold, and a `:foreground "yellow"' as
5187 long as the terminal can display a yellowish color, but `:slant italic'
5188 will _not_ be satisfied by the tty display code's automatic
5189 substitution of a `dim' face for italic. */
5192 tty_supports_face_attributes_p (f
, attrs
, def_face
)
5195 struct face
*def_face
;
5198 Lisp_Object val
, fg
, bg
;
5199 XColor fg_tty_color
, fg_std_color
;
5200 XColor bg_tty_color
, bg_std_color
;
5201 unsigned test_caps
= 0;
5202 Lisp_Object
*def_attrs
= def_face
->lface
;
5205 /* First check some easy-to-check stuff; ttys support none of the
5206 following attributes, so we can just return false if any are requested
5207 (even if `nominal' values are specified, we should still return false,
5208 as that will be the same value that the default face uses). We
5209 consider :slant unsupportable on ttys, even though the face code
5210 actually `fakes' them using a dim attribute if possible. This is
5211 because the faked result is too different from what the face
5213 if (!UNSPECIFIEDP (attrs
[LFACE_FAMILY_INDEX
])
5214 || !UNSPECIFIEDP (attrs
[LFACE_FOUNDRY_INDEX
])
5215 || !UNSPECIFIEDP (attrs
[LFACE_STIPPLE_INDEX
])
5216 || !UNSPECIFIEDP (attrs
[LFACE_HEIGHT_INDEX
])
5217 || !UNSPECIFIEDP (attrs
[LFACE_SWIDTH_INDEX
])
5218 || !UNSPECIFIEDP (attrs
[LFACE_OVERLINE_INDEX
])
5219 || !UNSPECIFIEDP (attrs
[LFACE_STRIKE_THROUGH_INDEX
])
5220 || !UNSPECIFIEDP (attrs
[LFACE_BOX_INDEX
])
5221 || !UNSPECIFIEDP (attrs
[LFACE_SLANT_INDEX
]))
5225 /* Test for terminal `capabilities' (non-color character attributes). */
5227 /* font weight (bold/dim) */
5228 weight
= FONT_WEIGHT_NAME_NUMERIC (attrs
[LFACE_WEIGHT_INDEX
]);
5231 int def_weight
= FONT_WEIGHT_NAME_NUMERIC (def_attrs
[LFACE_WEIGHT_INDEX
]);
5235 if (def_weight
> 100)
5236 return 0; /* same as default */
5237 test_caps
= TTY_CAP_BOLD
;
5239 else if (weight
< 100)
5241 if (def_weight
< 100)
5242 return 0; /* same as default */
5243 test_caps
= TTY_CAP_DIM
;
5245 else if (def_weight
== 100)
5246 return 0; /* same as default */
5250 val
= attrs
[LFACE_UNDERLINE_INDEX
];
5251 if (!UNSPECIFIEDP (val
))
5254 return 0; /* ttys can't use colored underlines */
5255 else if (face_attr_equal_p (val
, def_attrs
[LFACE_UNDERLINE_INDEX
]))
5256 return 0; /* same as default */
5258 test_caps
|= TTY_CAP_UNDERLINE
;
5262 val
= attrs
[LFACE_INVERSE_INDEX
];
5263 if (!UNSPECIFIEDP (val
))
5265 if (face_attr_equal_p (val
, def_attrs
[LFACE_INVERSE_INDEX
]))
5266 return 0; /* same as default */
5268 test_caps
|= TTY_CAP_INVERSE
;
5272 /* Color testing. */
5274 /* Default the color indices in FG_TTY_COLOR and BG_TTY_COLOR, since
5275 we use them when calling `tty_capable_p' below, even if the face
5276 specifies no colors. */
5277 fg_tty_color
.pixel
= FACE_TTY_DEFAULT_FG_COLOR
;
5278 bg_tty_color
.pixel
= FACE_TTY_DEFAULT_BG_COLOR
;
5280 /* Check if foreground color is close enough. */
5281 fg
= attrs
[LFACE_FOREGROUND_INDEX
];
5284 Lisp_Object def_fg
= def_attrs
[LFACE_FOREGROUND_INDEX
];
5286 if (face_attr_equal_p (fg
, def_fg
))
5287 return 0; /* same as default */
5288 else if (! tty_lookup_color (f
, fg
, &fg_tty_color
, &fg_std_color
))
5289 return 0; /* not a valid color */
5290 else if (color_distance (&fg_tty_color
, &fg_std_color
)
5291 > TTY_SAME_COLOR_THRESHOLD
)
5292 return 0; /* displayed color is too different */
5294 /* Make sure the color is really different than the default. */
5296 XColor def_fg_color
;
5297 if (tty_lookup_color (f
, def_fg
, &def_fg_color
, 0)
5298 && (color_distance (&fg_tty_color
, &def_fg_color
)
5299 <= TTY_SAME_COLOR_THRESHOLD
))
5304 /* Check if background color is close enough. */
5305 bg
= attrs
[LFACE_BACKGROUND_INDEX
];
5308 Lisp_Object def_bg
= def_attrs
[LFACE_BACKGROUND_INDEX
];
5310 if (face_attr_equal_p (bg
, def_bg
))
5311 return 0; /* same as default */
5312 else if (! tty_lookup_color (f
, bg
, &bg_tty_color
, &bg_std_color
))
5313 return 0; /* not a valid color */
5314 else if (color_distance (&bg_tty_color
, &bg_std_color
)
5315 > TTY_SAME_COLOR_THRESHOLD
)
5316 return 0; /* displayed color is too different */
5318 /* Make sure the color is really different than the default. */
5320 XColor def_bg_color
;
5321 if (tty_lookup_color (f
, def_bg
, &def_bg_color
, 0)
5322 && (color_distance (&bg_tty_color
, &def_bg_color
)
5323 <= TTY_SAME_COLOR_THRESHOLD
))
5328 /* If both foreground and background are requested, see if the
5329 distance between them is OK. We just check to see if the distance
5330 between the tty's foreground and background is close enough to the
5331 distance between the standard foreground and background. */
5332 if (STRINGP (fg
) && STRINGP (bg
))
5335 = (color_distance (&fg_std_color
, &bg_std_color
)
5336 - color_distance (&fg_tty_color
, &bg_tty_color
));
5337 if (delta_delta
> TTY_SAME_COLOR_THRESHOLD
5338 || delta_delta
< -TTY_SAME_COLOR_THRESHOLD
)
5343 /* See if the capabilities we selected above are supported, with the
5345 if (test_caps
!= 0 &&
5346 ! tty_capable_p (FRAME_TTY (f
), test_caps
, fg_tty_color
.pixel
, bg_tty_color
.pixel
))
5350 /* Hmmm, everything checks out, this terminal must support this face. */
5355 DEFUN ("display-supports-face-attributes-p",
5356 Fdisplay_supports_face_attributes_p
, Sdisplay_supports_face_attributes_p
,
5358 doc
: /* Return non-nil if all the face attributes in ATTRIBUTES are supported.
5359 The optional argument DISPLAY can be a display name, a frame, or
5360 nil (meaning the selected frame's display).
5362 The definition of `supported' is somewhat heuristic, but basically means
5363 that a face containing all the attributes in ATTRIBUTES, when merged
5364 with the default face for display, can be represented in a way that's
5366 \(1) different in appearance than the default face, and
5367 \(2) `close in spirit' to what the attributes specify, if not exact.
5369 Point (2) implies that a `:weight black' attribute will be satisfied by
5370 any display that can display bold, and a `:foreground \"yellow\"' as long
5371 as it can display a yellowish color, but `:slant italic' will _not_ be
5372 satisfied by the tty display code's automatic substitution of a `dim'
5373 face for italic. */)
5374 (attributes
, display
)
5375 Lisp_Object attributes
, display
;
5377 int supports
= 0, i
;
5380 struct face
*def_face
;
5381 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
5383 if (noninteractive
|| !initialized
)
5384 /* We may not be able to access low-level face information in batch
5385 mode, or before being dumped, and this function is not going to
5386 be very useful in those cases anyway, so just give up. */
5390 frame
= selected_frame
;
5391 else if (FRAMEP (display
))
5395 /* Find any frame on DISPLAY. */
5396 Lisp_Object fl_tail
;
5399 for (fl_tail
= Vframe_list
; CONSP (fl_tail
); fl_tail
= XCDR (fl_tail
))
5401 frame
= XCAR (fl_tail
);
5402 if (!NILP (Fequal (Fcdr (Fassq (Qdisplay
,
5403 XFRAME (frame
)->param_alist
)),
5409 CHECK_LIVE_FRAME (frame
);
5412 for (i
= 0; i
< LFACE_VECTOR_SIZE
; i
++)
5413 attrs
[i
] = Qunspecified
;
5414 merge_face_ref (f
, attributes
, attrs
, 1, 0);
5416 def_face
= FACE_FROM_ID (f
, DEFAULT_FACE_ID
);
5417 if (def_face
== NULL
)
5419 if (! realize_basic_faces (f
))
5420 error ("Cannot realize default face");
5421 def_face
= FACE_FROM_ID (f
, DEFAULT_FACE_ID
);
5422 if (def_face
== NULL
)
5423 abort (); /* realize_basic_faces must have set it up */
5426 /* Dispatch to the appropriate handler. */
5427 if (FRAME_TERMCAP_P (f
) || FRAME_MSDOS_P (f
))
5428 supports
= tty_supports_face_attributes_p (f
, attrs
, def_face
);
5429 #ifdef HAVE_WINDOW_SYSTEM
5431 supports
= x_supports_face_attributes_p (f
, attrs
, def_face
);
5434 return supports
? Qt
: Qnil
;
5438 /***********************************************************************
5440 ***********************************************************************/
5442 DEFUN ("internal-set-font-selection-order",
5443 Finternal_set_font_selection_order
,
5444 Sinternal_set_font_selection_order
, 1, 1, 0,
5445 doc
: /* Set font selection order for face font selection to ORDER.
5446 ORDER must be a list of length 4 containing the symbols `:width',
5447 `:height', `:weight', and `:slant'. Face attributes appearing
5448 first in ORDER are matched first, e.g. if `:height' appears before
5449 `:weight' in ORDER, font selection first tries to find a font with
5450 a suitable height, and then tries to match the font weight.
5457 int indices
[DIM (font_sort_order
)];
5460 bzero (indices
, sizeof indices
);
5464 CONSP (list
) && i
< DIM (indices
);
5465 list
= XCDR (list
), ++i
)
5467 Lisp_Object attr
= XCAR (list
);
5470 if (EQ (attr
, QCwidth
))
5472 else if (EQ (attr
, QCheight
))
5473 xlfd
= XLFD_POINT_SIZE
;
5474 else if (EQ (attr
, QCweight
))
5476 else if (EQ (attr
, QCslant
))
5481 if (indices
[i
] != 0)
5486 if (!NILP (list
) || i
!= DIM (indices
))
5487 signal_error ("Invalid font sort order", order
);
5488 for (i
= 0; i
< DIM (font_sort_order
); ++i
)
5489 if (indices
[i
] == 0)
5490 signal_error ("Invalid font sort order", order
);
5492 if (bcmp (indices
, font_sort_order
, sizeof indices
) != 0)
5494 bcopy (indices
, font_sort_order
, sizeof font_sort_order
);
5495 free_all_realized_faces (Qnil
);
5498 font_update_sort_order (font_sort_order
);
5504 DEFUN ("internal-set-alternative-font-family-alist",
5505 Finternal_set_alternative_font_family_alist
,
5506 Sinternal_set_alternative_font_family_alist
, 1, 1, 0,
5507 doc
: /* Define alternative font families to try in face font selection.
5508 ALIST is an alist of (FAMILY ALTERNATIVE1 ALTERNATIVE2 ...) entries.
5509 Each ALTERNATIVE is tried in order if no fonts of font family FAMILY can
5510 be found. Value is ALIST. */)
5514 Lisp_Object tail
, tail2
;
5517 alist
= Fcopy_sequence (alist
);
5518 for (tail
= alist
; CONSP (tail
); tail
= XCDR (tail
))
5519 for (tail2
= XCAR (tail
); CONSP (tail2
); tail2
= XCDR (tail2
))
5520 XSETCAR (tail2
, Fintern (XCAR (tail2
), Qnil
));
5521 Vface_alternative_font_family_alist
= alist
;
5522 free_all_realized_faces (Qnil
);
5527 DEFUN ("internal-set-alternative-font-registry-alist",
5528 Finternal_set_alternative_font_registry_alist
,
5529 Sinternal_set_alternative_font_registry_alist
, 1, 1, 0,
5530 doc
: /* Define alternative font registries to try in face font selection.
5531 ALIST is an alist of (REGISTRY ALTERNATIVE1 ALTERNATIVE2 ...) entries.
5532 Each ALTERNATIVE is tried in order if no fonts of font registry REGISTRY can
5533 be found. Value is ALIST. */)
5537 Lisp_Object tail
, tail2
;
5540 alist
= Fcopy_sequence (alist
);
5541 for (tail
= alist
; CONSP (tail
); tail
= XCDR (tail
))
5542 for (tail2
= XCAR (tail
); CONSP (tail2
); tail2
= XCDR (tail2
))
5543 XSETCAR (tail2
, Fdowncase (XCAR (tail2
)));
5544 Vface_alternative_font_registry_alist
= alist
;
5545 free_all_realized_faces (Qnil
);
5550 #ifdef HAVE_WINDOW_SYSTEM
5552 /* Ignore the difference of font point size less than this value. */
5554 #define FONT_POINT_SIZE_QUANTUM 5
5556 /* Return the fontset id of the base fontset name or alias name given
5557 by the fontset attribute of ATTRS. Value is -1 if the fontset
5558 attribute of ATTRS doesn't name a fontset. */
5561 face_fontset (attrs
)
5566 name
= attrs
[LFACE_FONTSET_INDEX
];
5567 if (!STRINGP (name
))
5569 return fs_query_fontset (name
, 0);
5572 #endif /* HAVE_WINDOW_SYSTEM */
5576 /***********************************************************************
5578 ***********************************************************************/
5580 /* Realize basic faces on frame F. Value is zero if frame parameters
5581 of F don't contain enough information needed to realize the default
5585 realize_basic_faces (f
)
5589 int count
= SPECPDL_INDEX ();
5591 /* Block input here so that we won't be surprised by an X expose
5592 event, for instance, without having the faces set up. */
5594 specbind (Qscalable_fonts_allowed
, Qt
);
5596 if (realize_default_face (f
))
5598 realize_named_face (f
, Qmode_line
, MODE_LINE_FACE_ID
);
5599 realize_named_face (f
, Qmode_line_inactive
, MODE_LINE_INACTIVE_FACE_ID
);
5600 realize_named_face (f
, Qtool_bar
, TOOL_BAR_FACE_ID
);
5601 realize_named_face (f
, Qfringe
, FRINGE_FACE_ID
);
5602 realize_named_face (f
, Qheader_line
, HEADER_LINE_FACE_ID
);
5603 realize_named_face (f
, Qscroll_bar
, SCROLL_BAR_FACE_ID
);
5604 realize_named_face (f
, Qborder
, BORDER_FACE_ID
);
5605 realize_named_face (f
, Qcursor
, CURSOR_FACE_ID
);
5606 realize_named_face (f
, Qmouse
, MOUSE_FACE_ID
);
5607 realize_named_face (f
, Qmenu
, MENU_FACE_ID
);
5608 realize_named_face (f
, Qvertical_border
, VERTICAL_BORDER_FACE_ID
);
5610 /* Reflect changes in the `menu' face in menu bars. */
5611 if (FRAME_FACE_CACHE (f
)->menu_face_changed_p
)
5613 FRAME_FACE_CACHE (f
)->menu_face_changed_p
= 0;
5614 #ifdef USE_X_TOOLKIT
5615 if (FRAME_WINDOW_P (f
))
5616 x_update_menu_appearance (f
);
5623 unbind_to (count
, Qnil
);
5629 /* Realize the default face on frame F. If the face is not fully
5630 specified, make it fully-specified. Attributes of the default face
5631 that are not explicitly specified are taken from frame parameters. */
5634 realize_default_face (f
)
5637 struct face_cache
*c
= FRAME_FACE_CACHE (f
);
5639 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
5642 /* If the `default' face is not yet known, create it. */
5643 lface
= lface_from_face_name (f
, Qdefault
, 0);
5647 XSETFRAME (frame
, f
);
5648 lface
= Finternal_make_lisp_face (Qdefault
, frame
);
5651 #ifdef HAVE_WINDOW_SYSTEM
5652 if (FRAME_WINDOW_P (f
))
5654 Lisp_Object font_object
;
5656 XSETFONT (font_object
, FRAME_FONT (f
));
5657 set_lface_from_font (f
, lface
, font_object
, f
->default_face_done_p
);
5658 LFACE_FONTSET (lface
) = fontset_name (FRAME_FONTSET (f
));
5659 f
->default_face_done_p
= 1;
5661 #endif /* HAVE_WINDOW_SYSTEM */
5663 if (!FRAME_WINDOW_P (f
))
5665 LFACE_FAMILY (lface
) = build_string ("default");
5666 LFACE_FOUNDRY (lface
) = LFACE_FAMILY (lface
);
5667 LFACE_SWIDTH (lface
) = Qnormal
;
5668 LFACE_HEIGHT (lface
) = make_number (1);
5669 if (UNSPECIFIEDP (LFACE_WEIGHT (lface
)))
5670 LFACE_WEIGHT (lface
) = Qnormal
;
5671 if (UNSPECIFIEDP (LFACE_SLANT (lface
)))
5672 LFACE_SLANT (lface
) = Qnormal
;
5673 if (UNSPECIFIEDP (LFACE_FONTSET (lface
)))
5674 LFACE_FONTSET (lface
) = Qnil
;
5677 if (UNSPECIFIEDP (LFACE_UNDERLINE (lface
)))
5678 LFACE_UNDERLINE (lface
) = Qnil
;
5680 if (UNSPECIFIEDP (LFACE_OVERLINE (lface
)))
5681 LFACE_OVERLINE (lface
) = Qnil
;
5683 if (UNSPECIFIEDP (LFACE_STRIKE_THROUGH (lface
)))
5684 LFACE_STRIKE_THROUGH (lface
) = Qnil
;
5686 if (UNSPECIFIEDP (LFACE_BOX (lface
)))
5687 LFACE_BOX (lface
) = Qnil
;
5689 if (UNSPECIFIEDP (LFACE_INVERSE (lface
)))
5690 LFACE_INVERSE (lface
) = Qnil
;
5692 if (UNSPECIFIEDP (LFACE_FOREGROUND (lface
)))
5694 /* This function is called so early that colors are not yet
5695 set in the frame parameter list. */
5696 Lisp_Object color
= Fassq (Qforeground_color
, f
->param_alist
);
5698 if (CONSP (color
) && STRINGP (XCDR (color
)))
5699 LFACE_FOREGROUND (lface
) = XCDR (color
);
5700 else if (FRAME_WINDOW_P (f
))
5702 else if (FRAME_INITIAL_P (f
) || FRAME_TERMCAP_P (f
) || FRAME_MSDOS_P (f
))
5703 LFACE_FOREGROUND (lface
) = build_string (unspecified_fg
);
5708 if (UNSPECIFIEDP (LFACE_BACKGROUND (lface
)))
5710 /* This function is called so early that colors are not yet
5711 set in the frame parameter list. */
5712 Lisp_Object color
= Fassq (Qbackground_color
, f
->param_alist
);
5713 if (CONSP (color
) && STRINGP (XCDR (color
)))
5714 LFACE_BACKGROUND (lface
) = XCDR (color
);
5715 else if (FRAME_WINDOW_P (f
))
5717 else if (FRAME_INITIAL_P (f
) || FRAME_TERMCAP_P (f
) || FRAME_MSDOS_P (f
))
5718 LFACE_BACKGROUND (lface
) = build_string (unspecified_bg
);
5723 if (UNSPECIFIEDP (LFACE_STIPPLE (lface
)))
5724 LFACE_STIPPLE (lface
) = Qnil
;
5726 /* Realize the face; it must be fully-specified now. */
5727 xassert (lface_fully_specified_p (XVECTOR (lface
)->contents
));
5728 check_lface (lface
);
5729 bcopy (XVECTOR (lface
)->contents
, attrs
, sizeof attrs
);
5730 face
= realize_face (c
, attrs
, DEFAULT_FACE_ID
);
5732 #ifdef HAVE_WINDOW_SYSTEM
5733 #ifdef HAVE_X_WINDOWS
5734 if (FRAME_X_P (f
) && face
->font
!= FRAME_FONT (f
))
5736 /* This can happen when making a frame on a display that does
5737 not support the default font. */
5741 /* Otherwise, the font specified for the frame was not
5742 acceptable as a font for the default face (perhaps because
5743 auto-scaled fonts are rejected), so we must adjust the frame
5745 x_set_font (f
, LFACE_FONT (lface
), Qnil
);
5747 #endif /* HAVE_X_WINDOWS */
5748 #endif /* HAVE_WINDOW_SYSTEM */
5753 /* Realize basic faces other than the default face in face cache C.
5754 SYMBOL is the face name, ID is the face id the realized face must
5755 have. The default face must have been realized already. */
5758 realize_named_face (f
, symbol
, id
)
5763 struct face_cache
*c
= FRAME_FACE_CACHE (f
);
5764 Lisp_Object lface
= lface_from_face_name (f
, symbol
, 0);
5765 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
5766 Lisp_Object symbol_attrs
[LFACE_VECTOR_SIZE
];
5767 struct face
*new_face
;
5769 /* The default face must exist and be fully specified. */
5770 get_lface_attributes_no_remap (f
, Qdefault
, attrs
, 1);
5771 check_lface_attrs (attrs
);
5772 xassert (lface_fully_specified_p (attrs
));
5774 /* If SYMBOL isn't know as a face, create it. */
5778 XSETFRAME (frame
, f
);
5779 lface
= Finternal_make_lisp_face (symbol
, frame
);
5782 /* Merge SYMBOL's face with the default face. */
5783 get_lface_attributes_no_remap (f
, symbol
, symbol_attrs
, 1);
5784 merge_face_vectors (f
, symbol_attrs
, attrs
, 0);
5786 /* Realize the face. */
5787 new_face
= realize_face (c
, attrs
, id
);
5791 /* Realize the fully-specified face with attributes ATTRS in face
5792 cache CACHE for ASCII characters. If FORMER_FACE_ID is
5793 non-negative, it is an ID of face to remove before caching the new
5794 face. Value is a pointer to the newly created realized face. */
5796 static struct face
*
5797 realize_face (cache
, attrs
, former_face_id
)
5798 struct face_cache
*cache
;
5804 /* LFACE must be fully specified. */
5805 xassert (cache
!= NULL
);
5806 check_lface_attrs (attrs
);
5808 if (former_face_id
>= 0 && cache
->used
> former_face_id
)
5810 /* Remove the former face. */
5811 struct face
*former_face
= cache
->faces_by_id
[former_face_id
];
5812 uncache_face (cache
, former_face
);
5813 free_realized_face (cache
->f
, former_face
);
5816 if (FRAME_WINDOW_P (cache
->f
))
5817 face
= realize_x_face (cache
, attrs
);
5818 else if (FRAME_TERMCAP_P (cache
->f
) || FRAME_MSDOS_P (cache
->f
))
5819 face
= realize_tty_face (cache
, attrs
);
5820 else if (FRAME_INITIAL_P (cache
->f
))
5822 /* Create a dummy face. */
5823 face
= make_realized_face (attrs
);
5828 /* Insert the new face. */
5829 cache_face (cache
, face
, lface_hash (attrs
));
5834 #ifdef HAVE_WINDOW_SYSTEM
5835 /* Realize the fully-specified face that uses FONT-OBJECT and has the
5836 same attributes as BASE_FACE except for the font on frame F.
5837 FONT-OBJECT may be nil, in which case, realized a face of
5840 static struct face
*
5841 realize_non_ascii_face (f
, font_object
, base_face
)
5843 Lisp_Object font_object
;
5844 struct face
*base_face
;
5846 struct face_cache
*cache
= FRAME_FACE_CACHE (f
);
5849 face
= (struct face
*) xmalloc (sizeof *face
);
5854 = (! NILP (font_object
)
5855 && FONT_WEIGHT_NAME_NUMERIC (face
->lface
[LFACE_WEIGHT_INDEX
]) > 100
5856 && FONT_WEIGHT_NUMERIC (font_object
) <= 100);
5858 /* Don't try to free the colors copied bitwise from BASE_FACE. */
5859 face
->colors_copied_bitwise_p
= 1;
5860 face
->font
= NILP (font_object
) ? NULL
: XFONT_OBJECT (font_object
);
5863 cache_face (cache
, face
, face
->hash
);
5867 #endif /* HAVE_WINDOW_SYSTEM */
5870 /* Realize the fully-specified face with attributes ATTRS in face
5871 cache CACHE for ASCII characters. Do it for X frame CACHE->f. If
5872 the new face doesn't share font with the default face, a fontname
5873 is allocated from the heap and set in `font_name' of the new face,
5874 but it is not yet loaded here. Value is a pointer to the newly
5875 created realized face. */
5877 static struct face
*
5878 realize_x_face (cache
, attrs
)
5879 struct face_cache
*cache
;
5882 struct face
*face
= NULL
;
5883 #ifdef HAVE_WINDOW_SYSTEM
5884 struct face
*default_face
;
5886 Lisp_Object stipple
, overline
, strike_through
, box
;
5888 xassert (FRAME_WINDOW_P (cache
->f
));
5890 /* Allocate a new realized face. */
5891 face
= make_realized_face (attrs
);
5892 face
->ascii_face
= face
;
5896 /* Determine the font to use. Most of the time, the font will be
5897 the same as the font of the default face, so try that first. */
5898 default_face
= FACE_FROM_ID (f
, DEFAULT_FACE_ID
);
5900 && lface_same_font_attributes_p (default_face
->lface
, attrs
))
5902 face
->font
= default_face
->font
;
5904 = make_fontset_for_ascii_face (f
, default_face
->fontset
, face
);
5908 /* If the face attribute ATTRS specifies a fontset, use it as
5909 the base of a new realized fontset. Otherwise, use the same
5910 base fontset as of the default face. The base determines
5911 registry and encoding of a font. It may also determine
5912 foundry and family. The other fields of font name pattern
5913 are constructed from ATTRS. */
5914 int fontset
= face_fontset (attrs
);
5916 /* If we are realizing the default face, ATTRS should specify a
5917 fontset. In other words, if FONTSET is -1, we are not
5918 realizing the default face, thus the default face should have
5919 already been realized. */
5921 fontset
= default_face
->fontset
;
5924 if (! FONT_OBJECT_P (attrs
[LFACE_FONT_INDEX
]))
5925 attrs
[LFACE_FONT_INDEX
]
5926 = font_load_for_lface (f
, attrs
, attrs
[LFACE_FONT_INDEX
]);
5927 if (FONT_OBJECT_P (attrs
[LFACE_FONT_INDEX
]))
5929 face
->font
= XFONT_OBJECT (attrs
[LFACE_FONT_INDEX
]);
5930 face
->fontset
= make_fontset_for_ascii_face (f
, fontset
, face
);
5940 && FONT_WEIGHT_NAME_NUMERIC (attrs
[LFACE_WEIGHT_INDEX
]) > 100
5941 && FONT_WEIGHT_NUMERIC (attrs
[LFACE_FONT_INDEX
]) <= 100)
5942 face
->overstrike
= 1;
5944 /* Load colors, and set remaining attributes. */
5946 load_face_colors (f
, face
, attrs
);
5949 box
= attrs
[LFACE_BOX_INDEX
];
5952 /* A simple box of line width 1 drawn in color given by
5954 face
->box_color
= load_color (f
, face
, attrs
[LFACE_BOX_INDEX
],
5956 face
->box
= FACE_SIMPLE_BOX
;
5957 face
->box_line_width
= 1;
5959 else if (INTEGERP (box
))
5961 /* Simple box of specified line width in foreground color of the
5963 xassert (XINT (box
) != 0);
5964 face
->box
= FACE_SIMPLE_BOX
;
5965 face
->box_line_width
= XINT (box
);
5966 face
->box_color
= face
->foreground
;
5967 face
->box_color_defaulted_p
= 1;
5969 else if (CONSP (box
))
5971 /* `(:width WIDTH :color COLOR :shadow SHADOW)'. SHADOW
5972 being one of `raised' or `sunken'. */
5973 face
->box
= FACE_SIMPLE_BOX
;
5974 face
->box_color
= face
->foreground
;
5975 face
->box_color_defaulted_p
= 1;
5976 face
->box_line_width
= 1;
5980 Lisp_Object keyword
, value
;
5982 keyword
= XCAR (box
);
5990 if (EQ (keyword
, QCline_width
))
5992 if (INTEGERP (value
) && XINT (value
) != 0)
5993 face
->box_line_width
= XINT (value
);
5995 else if (EQ (keyword
, QCcolor
))
5997 if (STRINGP (value
))
5999 face
->box_color
= load_color (f
, face
, value
,
6001 face
->use_box_color_for_shadows_p
= 1;
6004 else if (EQ (keyword
, QCstyle
))
6006 if (EQ (value
, Qreleased_button
))
6007 face
->box
= FACE_RAISED_BOX
;
6008 else if (EQ (value
, Qpressed_button
))
6009 face
->box
= FACE_SUNKEN_BOX
;
6014 /* Text underline, overline, strike-through. */
6016 if (EQ (attrs
[LFACE_UNDERLINE_INDEX
], Qt
))
6018 /* Use default color (same as foreground color). */
6019 face
->underline_p
= 1;
6020 face
->underline_defaulted_p
= 1;
6021 face
->underline_color
= 0;
6023 else if (STRINGP (attrs
[LFACE_UNDERLINE_INDEX
]))
6025 /* Use specified color. */
6026 face
->underline_p
= 1;
6027 face
->underline_defaulted_p
= 0;
6028 face
->underline_color
6029 = load_color (f
, face
, attrs
[LFACE_UNDERLINE_INDEX
],
6030 LFACE_UNDERLINE_INDEX
);
6032 else if (NILP (attrs
[LFACE_UNDERLINE_INDEX
]))
6034 face
->underline_p
= 0;
6035 face
->underline_defaulted_p
= 0;
6036 face
->underline_color
= 0;
6039 overline
= attrs
[LFACE_OVERLINE_INDEX
];
6040 if (STRINGP (overline
))
6042 face
->overline_color
6043 = load_color (f
, face
, attrs
[LFACE_OVERLINE_INDEX
],
6044 LFACE_OVERLINE_INDEX
);
6045 face
->overline_p
= 1;
6047 else if (EQ (overline
, Qt
))
6049 face
->overline_color
= face
->foreground
;
6050 face
->overline_color_defaulted_p
= 1;
6051 face
->overline_p
= 1;
6054 strike_through
= attrs
[LFACE_STRIKE_THROUGH_INDEX
];
6055 if (STRINGP (strike_through
))
6057 face
->strike_through_color
6058 = load_color (f
, face
, attrs
[LFACE_STRIKE_THROUGH_INDEX
],
6059 LFACE_STRIKE_THROUGH_INDEX
);
6060 face
->strike_through_p
= 1;
6062 else if (EQ (strike_through
, Qt
))
6064 face
->strike_through_color
= face
->foreground
;
6065 face
->strike_through_color_defaulted_p
= 1;
6066 face
->strike_through_p
= 1;
6069 stipple
= attrs
[LFACE_STIPPLE_INDEX
];
6070 if (!NILP (stipple
))
6071 face
->stipple
= load_pixmap (f
, stipple
, &face
->pixmap_w
, &face
->pixmap_h
);
6072 #endif /* HAVE_WINDOW_SYSTEM */
6078 /* Map a specified color of face FACE on frame F to a tty color index.
6079 IDX is either LFACE_FOREGROUND_INDEX or LFACE_BACKGROUND_INDEX, and
6080 specifies which color to map. Set *DEFAULTED to 1 if mapping to the
6081 default foreground/background colors. */
6084 map_tty_color (f
, face
, idx
, defaulted
)
6087 enum lface_attribute_index idx
;
6090 Lisp_Object frame
, color
, def
;
6091 int foreground_p
= idx
== LFACE_FOREGROUND_INDEX
;
6092 unsigned long default_pixel
, default_other_pixel
, pixel
;
6094 xassert (idx
== LFACE_FOREGROUND_INDEX
|| idx
== LFACE_BACKGROUND_INDEX
);
6098 pixel
= default_pixel
= FACE_TTY_DEFAULT_FG_COLOR
;
6099 default_other_pixel
= FACE_TTY_DEFAULT_BG_COLOR
;
6103 pixel
= default_pixel
= FACE_TTY_DEFAULT_BG_COLOR
;
6104 default_other_pixel
= FACE_TTY_DEFAULT_FG_COLOR
;
6107 XSETFRAME (frame
, f
);
6108 color
= face
->lface
[idx
];
6112 && CONSP (Vtty_defined_color_alist
)
6113 && (def
= assq_no_quit (color
, call1 (Qtty_color_alist
, frame
)),
6116 /* Associations in tty-defined-color-alist are of the form
6117 (NAME INDEX R G B). We need the INDEX part. */
6118 pixel
= XINT (XCAR (XCDR (def
)));
6121 if (pixel
== default_pixel
&& STRINGP (color
))
6123 pixel
= load_color (f
, face
, color
, idx
);
6126 /* If the foreground of the default face is the default color,
6127 use the foreground color defined by the frame. */
6128 if (FRAME_MSDOS_P (f
))
6130 if (pixel
== default_pixel
6131 || pixel
== FACE_TTY_DEFAULT_COLOR
)
6134 pixel
= FRAME_FOREGROUND_PIXEL (f
);
6136 pixel
= FRAME_BACKGROUND_PIXEL (f
);
6137 face
->lface
[idx
] = tty_color_name (f
, pixel
);
6140 else if (pixel
== default_other_pixel
)
6143 pixel
= FRAME_BACKGROUND_PIXEL (f
);
6145 pixel
= FRAME_FOREGROUND_PIXEL (f
);
6146 face
->lface
[idx
] = tty_color_name (f
, pixel
);
6154 face
->foreground
= pixel
;
6156 face
->background
= pixel
;
6160 /* Realize the fully-specified face with attributes ATTRS in face
6161 cache CACHE for ASCII characters. Do it for TTY frame CACHE->f.
6162 Value is a pointer to the newly created realized face. */
6164 static struct face
*
6165 realize_tty_face (cache
, attrs
)
6166 struct face_cache
*cache
;
6171 int face_colors_defaulted
= 0;
6172 struct frame
*f
= cache
->f
;
6174 /* Frame must be a termcap frame. */
6175 xassert (FRAME_TERMCAP_P (cache
->f
) || FRAME_MSDOS_P (cache
->f
));
6177 /* Allocate a new realized face. */
6178 face
= make_realized_face (attrs
);
6180 face
->font_name
= FRAME_MSDOS_P (cache
->f
) ? "ms-dos" : "tty";
6183 /* Map face attributes to TTY appearances. We map slant to
6184 dimmed text because we want italic text to appear differently
6185 and because dimmed text is probably used infrequently. */
6186 weight
= FONT_WEIGHT_NAME_NUMERIC (attrs
[LFACE_WEIGHT_INDEX
]);
6187 slant
= FONT_SLANT_NAME_NUMERIC (attrs
[LFACE_SLANT_INDEX
]);
6189 face
->tty_bold_p
= 1;
6190 if (weight
< 100 || slant
!= 100)
6191 face
->tty_dim_p
= 1;
6192 if (!NILP (attrs
[LFACE_UNDERLINE_INDEX
]))
6193 face
->tty_underline_p
= 1;
6194 if (!NILP (attrs
[LFACE_INVERSE_INDEX
]))
6195 face
->tty_reverse_p
= 1;
6197 /* Map color names to color indices. */
6198 map_tty_color (f
, face
, LFACE_FOREGROUND_INDEX
, &face_colors_defaulted
);
6199 map_tty_color (f
, face
, LFACE_BACKGROUND_INDEX
, &face_colors_defaulted
);
6201 /* Swap colors if face is inverse-video. If the colors are taken
6202 from the frame colors, they are already inverted, since the
6203 frame-creation function calls x-handle-reverse-video. */
6204 if (face
->tty_reverse_p
&& !face_colors_defaulted
)
6206 unsigned long tem
= face
->foreground
;
6207 face
->foreground
= face
->background
;
6208 face
->background
= tem
;
6211 if (tty_suppress_bold_inverse_default_colors_p
6213 && face
->background
== FACE_TTY_DEFAULT_FG_COLOR
6214 && face
->foreground
== FACE_TTY_DEFAULT_BG_COLOR
)
6215 face
->tty_bold_p
= 0;
6221 DEFUN ("tty-suppress-bold-inverse-default-colors",
6222 Ftty_suppress_bold_inverse_default_colors
,
6223 Stty_suppress_bold_inverse_default_colors
, 1, 1, 0,
6224 doc
: /* Suppress/allow boldness of faces with inverse default colors.
6225 SUPPRESS non-nil means suppress it.
6226 This affects bold faces on TTYs whose foreground is the default background
6227 color of the display and whose background is the default foreground color.
6228 For such faces, the bold face attribute is ignored if this variable
6231 Lisp_Object suppress
;
6233 tty_suppress_bold_inverse_default_colors_p
= !NILP (suppress
);
6234 ++face_change_count
;
6240 /***********************************************************************
6242 ***********************************************************************/
6244 /* Return the ID of the face to use to display character CH with face
6245 property PROP on frame F in current_buffer. */
6248 compute_char_face (f
, ch
, prop
)
6255 if (NILP (current_buffer
->enable_multibyte_characters
))
6260 struct face
*face
= FACE_FROM_ID (f
, DEFAULT_FACE_ID
);
6261 face_id
= FACE_FOR_CHAR (f
, face
, ch
, -1, Qnil
);
6265 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
6266 struct face
*default_face
= FACE_FROM_ID (f
, DEFAULT_FACE_ID
);
6267 bcopy (default_face
->lface
, attrs
, sizeof attrs
);
6268 merge_face_ref (f
, prop
, attrs
, 1, 0);
6269 face_id
= lookup_face (f
, attrs
);
6275 /* Return the face ID associated with buffer position POS for
6276 displaying ASCII characters. Return in *ENDPTR the position at
6277 which a different face is needed, as far as text properties and
6278 overlays are concerned. W is a window displaying current_buffer.
6280 REGION_BEG, REGION_END delimit the region, so it can be
6283 LIMIT is a position not to scan beyond. That is to limit the time
6284 this function can take.
6286 If MOUSE is non-zero, use the character's mouse-face, not its face.
6288 The face returned is suitable for displaying ASCII characters. */
6291 face_at_buffer_position (w
, pos
, region_beg
, region_end
,
6292 endptr
, limit
, mouse
)
6295 EMACS_INT region_beg
, region_end
;
6300 struct frame
*f
= XFRAME (w
->frame
);
6301 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
6302 Lisp_Object prop
, position
;
6304 Lisp_Object
*overlay_vec
;
6307 Lisp_Object propname
= mouse
? Qmouse_face
: Qface
;
6308 Lisp_Object limit1
, end
;
6309 struct face
*default_face
;
6311 /* W must display the current buffer. We could write this function
6312 to use the frame and buffer of W, but right now it doesn't. */
6313 /* xassert (XBUFFER (w->buffer) == current_buffer); */
6315 XSETFRAME (frame
, f
);
6316 XSETFASTINT (position
, pos
);
6319 if (pos
< region_beg
&& region_beg
< endpos
)
6320 endpos
= region_beg
;
6322 /* Get the `face' or `mouse_face' text property at POS, and
6323 determine the next position at which the property changes. */
6324 prop
= Fget_text_property (position
, propname
, w
->buffer
);
6325 XSETFASTINT (limit1
, (limit
< endpos
? limit
: endpos
));
6326 end
= Fnext_single_property_change (position
, propname
, w
->buffer
, limit1
);
6328 endpos
= XINT (end
);
6330 /* Look at properties from overlays. */
6332 EMACS_INT next_overlay
;
6334 GET_OVERLAYS_AT (pos
, overlay_vec
, noverlays
, &next_overlay
, 0);
6335 if (next_overlay
< endpos
)
6336 endpos
= next_overlay
;
6342 /* Perhaps remap BASE_FACE_ID to a user-specified alternative. */
6343 if (NILP (Vface_remapping_alist
))
6344 default_face
= FACE_FROM_ID (f
, DEFAULT_FACE_ID
);
6346 default_face
= FACE_FROM_ID (f
, lookup_basic_face (f
, DEFAULT_FACE_ID
));
6348 /* Optimize common cases where we can use the default face. */
6351 && !(pos
>= region_beg
&& pos
< region_end
))
6352 return default_face
->id
;
6354 /* Begin with attributes from the default face. */
6355 bcopy (default_face
->lface
, attrs
, sizeof attrs
);
6357 /* Merge in attributes specified via text properties. */
6359 merge_face_ref (f
, prop
, attrs
, 1, 0);
6361 /* Now merge the overlay data. */
6362 noverlays
= sort_overlays (overlay_vec
, noverlays
, w
);
6363 for (i
= 0; i
< noverlays
; i
++)
6368 prop
= Foverlay_get (overlay_vec
[i
], propname
);
6370 merge_face_ref (f
, prop
, attrs
, 1, 0);
6372 oend
= OVERLAY_END (overlay_vec
[i
]);
6373 oendpos
= OVERLAY_POSITION (oend
);
6374 if (oendpos
< endpos
)
6378 /* If in the region, merge in the region face. */
6379 if (pos
>= region_beg
&& pos
< region_end
)
6381 merge_named_face (f
, Qregion
, attrs
, 0);
6383 if (region_end
< endpos
)
6384 endpos
= region_end
;
6389 /* Look up a realized face with the given face attributes,
6390 or realize a new one for ASCII characters. */
6391 return lookup_face (f
, attrs
);
6394 /* Return the face ID at buffer position POS for displaying ASCII
6395 characters associated with overlay strings for overlay OVERLAY.
6397 Like face_at_buffer_position except for OVERLAY. Currently it
6398 simply disregards the `face' properties of all overlays. */
6401 face_for_overlay_string (w
, pos
, region_beg
, region_end
,
6402 endptr
, limit
, mouse
, overlay
)
6405 EMACS_INT region_beg
, region_end
;
6409 Lisp_Object overlay
;
6411 struct frame
*f
= XFRAME (w
->frame
);
6412 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
6413 Lisp_Object prop
, position
;
6416 Lisp_Object propname
= mouse
? Qmouse_face
: Qface
;
6417 Lisp_Object limit1
, end
;
6418 struct face
*default_face
;
6420 /* W must display the current buffer. We could write this function
6421 to use the frame and buffer of W, but right now it doesn't. */
6422 /* xassert (XBUFFER (w->buffer) == current_buffer); */
6424 XSETFRAME (frame
, f
);
6425 XSETFASTINT (position
, pos
);
6428 if (pos
< region_beg
&& region_beg
< endpos
)
6429 endpos
= region_beg
;
6431 /* Get the `face' or `mouse_face' text property at POS, and
6432 determine the next position at which the property changes. */
6433 prop
= Fget_text_property (position
, propname
, w
->buffer
);
6434 XSETFASTINT (limit1
, (limit
< endpos
? limit
: endpos
));
6435 end
= Fnext_single_property_change (position
, propname
, w
->buffer
, limit1
);
6437 endpos
= XINT (end
);
6441 default_face
= FACE_FROM_ID (f
, DEFAULT_FACE_ID
);
6443 /* Optimize common cases where we can use the default face. */
6445 && !(pos
>= region_beg
&& pos
< region_end
))
6446 return DEFAULT_FACE_ID
;
6448 /* Begin with attributes from the default face. */
6449 bcopy (default_face
->lface
, attrs
, sizeof attrs
);
6451 /* Merge in attributes specified via text properties. */
6453 merge_face_ref (f
, prop
, attrs
, 1, 0);
6455 /* If in the region, merge in the region face. */
6456 if (pos
>= region_beg
&& pos
< region_end
)
6458 merge_named_face (f
, Qregion
, attrs
, 0);
6460 if (region_end
< endpos
)
6461 endpos
= region_end
;
6466 /* Look up a realized face with the given face attributes,
6467 or realize a new one for ASCII characters. */
6468 return lookup_face (f
, attrs
);
6472 /* Compute the face at character position POS in Lisp string STRING on
6473 window W, for ASCII characters.
6475 If STRING is an overlay string, it comes from position BUFPOS in
6476 current_buffer, otherwise BUFPOS is zero to indicate that STRING is
6477 not an overlay string. W must display the current buffer.
6478 REGION_BEG and REGION_END give the start and end positions of the
6479 region; both are -1 if no region is visible.
6481 BASE_FACE_ID is the id of a face to merge with. For strings coming
6482 from overlays or the `display' property it is the face at BUFPOS.
6484 If MOUSE_P is non-zero, use the character's mouse-face, not its face.
6486 Set *ENDPTR to the next position where to check for faces in
6487 STRING; -1 if the face is constant from POS to the end of the
6490 Value is the id of the face to use. The face returned is suitable
6491 for displaying ASCII characters. */
6494 face_at_string_position (w
, string
, pos
, bufpos
, region_beg
,
6495 region_end
, endptr
, base_face_id
, mouse_p
)
6498 EMACS_INT pos
, bufpos
;
6499 EMACS_INT region_beg
, region_end
;
6501 enum face_id base_face_id
;
6504 Lisp_Object prop
, position
, end
, limit
;
6505 struct frame
*f
= XFRAME (WINDOW_FRAME (w
));
6506 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
6507 struct face
*base_face
;
6508 int multibyte_p
= STRING_MULTIBYTE (string
);
6509 Lisp_Object prop_name
= mouse_p
? Qmouse_face
: Qface
;
6511 /* Get the value of the face property at the current position within
6512 STRING. Value is nil if there is no face property. */
6513 XSETFASTINT (position
, pos
);
6514 prop
= Fget_text_property (position
, prop_name
, string
);
6516 /* Get the next position at which to check for faces. Value of end
6517 is nil if face is constant all the way to the end of the string.
6518 Otherwise it is a string position where to check faces next.
6519 Limit is the maximum position up to which to check for property
6520 changes in Fnext_single_property_change. Strings are usually
6521 short, so set the limit to the end of the string. */
6522 XSETFASTINT (limit
, SCHARS (string
));
6523 end
= Fnext_single_property_change (position
, prop_name
, string
, limit
);
6525 *endptr
= XFASTINT (end
);
6529 base_face
= FACE_FROM_ID (f
, base_face_id
);
6530 xassert (base_face
);
6532 /* Optimize the default case that there is no face property and we
6533 are not in the region. */
6535 && (base_face_id
!= DEFAULT_FACE_ID
6536 /* BUFPOS <= 0 means STRING is not an overlay string, so
6537 that the region doesn't have to be taken into account. */
6539 || bufpos
< region_beg
6540 || bufpos
>= region_end
)
6542 /* We can't realize faces for different charsets differently
6543 if we don't have fonts, so we can stop here if not working
6544 on a window-system frame. */
6545 || !FRAME_WINDOW_P (f
)
6546 || FACE_SUITABLE_FOR_CHAR_P (base_face
, 0)))
6547 return base_face
->id
;
6549 /* Begin with attributes from the base face. */
6550 bcopy (base_face
->lface
, attrs
, sizeof attrs
);
6552 /* Merge in attributes specified via text properties. */
6554 merge_face_ref (f
, prop
, attrs
, 1, 0);
6556 /* If in the region, merge in the region face. */
6558 && bufpos
>= region_beg
6559 && bufpos
< region_end
)
6560 merge_named_face (f
, Qregion
, attrs
, 0);
6562 /* Look up a realized face with the given face attributes,
6563 or realize a new one for ASCII characters. */
6564 return lookup_face (f
, attrs
);
6568 /* Merge a face into a realized face.
6570 F is frame where faces are (to be) realized.
6572 FACE_NAME is named face to merge.
6574 If FACE_NAME is nil, FACE_ID is face_id of realized face to merge.
6576 If FACE_NAME is t, FACE_ID is lface_id of face to merge.
6578 BASE_FACE_ID is realized face to merge into.
6584 merge_faces (f
, face_name
, face_id
, base_face_id
)
6586 Lisp_Object face_name
;
6587 int face_id
, base_face_id
;
6589 Lisp_Object attrs
[LFACE_VECTOR_SIZE
];
6590 struct face
*base_face
;
6592 base_face
= FACE_FROM_ID (f
, base_face_id
);
6594 return base_face_id
;
6596 if (EQ (face_name
, Qt
))
6598 if (face_id
< 0 || face_id
>= lface_id_to_name_size
)
6599 return base_face_id
;
6600 face_name
= lface_id_to_name
[face_id
];
6601 face_id
= lookup_derived_face (f
, face_name
, base_face_id
, 1);
6604 return base_face_id
;
6607 /* Begin with attributes from the base face. */
6608 bcopy (base_face
->lface
, attrs
, sizeof attrs
);
6610 if (!NILP (face_name
))
6612 if (!merge_named_face (f
, face_name
, attrs
, 0))
6613 return base_face_id
;
6619 return base_face_id
;
6620 face
= FACE_FROM_ID (f
, face_id
);
6622 return base_face_id
;
6623 merge_face_vectors (f
, face
->lface
, attrs
, 0);
6626 /* Look up a realized face with the given face attributes,
6627 or realize a new one for ASCII characters. */
6628 return lookup_face (f
, attrs
);
6632 /***********************************************************************
6634 ***********************************************************************/
6638 /* Print the contents of the realized face FACE to stderr. */
6641 dump_realized_face (face
)
6644 fprintf (stderr
, "ID: %d\n", face
->id
);
6645 #ifdef HAVE_X_WINDOWS
6646 fprintf (stderr
, "gc: %ld\n", (long) face
->gc
);
6648 fprintf (stderr
, "foreground: 0x%lx (%s)\n",
6650 SDATA (face
->lface
[LFACE_FOREGROUND_INDEX
]));
6651 fprintf (stderr
, "background: 0x%lx (%s)\n",
6653 SDATA (face
->lface
[LFACE_BACKGROUND_INDEX
]));
6655 fprintf (stderr
, "font_name: %s (%s)\n",
6656 SDATA (face
->font
->props
[FONT_NAME_INDEX
]),
6657 SDATA (face
->lface
[LFACE_FAMILY_INDEX
]));
6658 #ifdef HAVE_X_WINDOWS
6659 fprintf (stderr
, "font = %p\n", face
->font
);
6661 fprintf (stderr
, "fontset: %d\n", face
->fontset
);
6662 fprintf (stderr
, "underline: %d (%s)\n",
6664 SDATA (Fsymbol_name (face
->lface
[LFACE_UNDERLINE_INDEX
])));
6665 fprintf (stderr
, "hash: %d\n", face
->hash
);
6669 DEFUN ("dump-face", Fdump_face
, Sdump_face
, 0, 1, 0, doc
: /* */)
6677 fprintf (stderr
, "font selection order: ");
6678 for (i
= 0; i
< DIM (font_sort_order
); ++i
)
6679 fprintf (stderr
, "%d ", font_sort_order
[i
]);
6680 fprintf (stderr
, "\n");
6682 fprintf (stderr
, "alternative fonts: ");
6683 debug_print (Vface_alternative_font_family_alist
);
6684 fprintf (stderr
, "\n");
6686 for (i
= 0; i
< FRAME_FACE_CACHE (SELECTED_FRAME ())->used
; ++i
)
6687 Fdump_face (make_number (i
));
6693 face
= FACE_FROM_ID (SELECTED_FRAME (), XINT (n
));
6695 error ("Not a valid face");
6696 dump_realized_face (face
);
6703 DEFUN ("show-face-resources", Fshow_face_resources
, Sshow_face_resources
,
6704 0, 0, 0, doc
: /* */)
6707 fprintf (stderr
, "number of colors = %d\n", ncolors_allocated
);
6708 fprintf (stderr
, "number of pixmaps = %d\n", npixmaps_allocated
);
6709 fprintf (stderr
, "number of GCs = %d\n", ngcs
);
6713 #endif /* GLYPH_DEBUG != 0 */
6717 /***********************************************************************
6719 ***********************************************************************/
6724 Qface
= intern ("face");
6726 Qface_no_inherit
= intern ("face-no-inherit");
6727 staticpro (&Qface_no_inherit
);
6728 Qbitmap_spec_p
= intern ("bitmap-spec-p");
6729 staticpro (&Qbitmap_spec_p
);
6730 Qframe_set_background_mode
= intern ("frame-set-background-mode");
6731 staticpro (&Qframe_set_background_mode
);
6733 /* Lisp face attribute keywords. */
6734 QCfamily
= intern (":family");
6735 staticpro (&QCfamily
);
6736 QCheight
= intern (":height");
6737 staticpro (&QCheight
);
6738 QCweight
= intern (":weight");
6739 staticpro (&QCweight
);
6740 QCslant
= intern (":slant");
6741 staticpro (&QCslant
);
6742 QCunderline
= intern (":underline");
6743 staticpro (&QCunderline
);
6744 QCinverse_video
= intern (":inverse-video");
6745 staticpro (&QCinverse_video
);
6746 QCreverse_video
= intern (":reverse-video");
6747 staticpro (&QCreverse_video
);
6748 QCforeground
= intern (":foreground");
6749 staticpro (&QCforeground
);
6750 QCbackground
= intern (":background");
6751 staticpro (&QCbackground
);
6752 QCstipple
= intern (":stipple");
6753 staticpro (&QCstipple
);
6754 QCwidth
= intern (":width");
6755 staticpro (&QCwidth
);
6756 QCfont
= intern (":font");
6757 staticpro (&QCfont
);
6758 QCfontset
= intern (":fontset");
6759 staticpro (&QCfontset
);
6760 QCbold
= intern (":bold");
6761 staticpro (&QCbold
);
6762 QCitalic
= intern (":italic");
6763 staticpro (&QCitalic
);
6764 QCoverline
= intern (":overline");
6765 staticpro (&QCoverline
);
6766 QCstrike_through
= intern (":strike-through");
6767 staticpro (&QCstrike_through
);
6768 QCbox
= intern (":box");
6770 QCinherit
= intern (":inherit");
6771 staticpro (&QCinherit
);
6773 /* Symbols used for Lisp face attribute values. */
6774 QCcolor
= intern (":color");
6775 staticpro (&QCcolor
);
6776 QCline_width
= intern (":line-width");
6777 staticpro (&QCline_width
);
6778 QCstyle
= intern (":style");
6779 staticpro (&QCstyle
);
6780 Qreleased_button
= intern ("released-button");
6781 staticpro (&Qreleased_button
);
6782 Qpressed_button
= intern ("pressed-button");
6783 staticpro (&Qpressed_button
);
6784 Qnormal
= intern ("normal");
6785 staticpro (&Qnormal
);
6786 Qultra_light
= intern ("ultra-light");
6787 staticpro (&Qultra_light
);
6788 Qextra_light
= intern ("extra-light");
6789 staticpro (&Qextra_light
);
6790 Qlight
= intern ("light");
6791 staticpro (&Qlight
);
6792 Qsemi_light
= intern ("semi-light");
6793 staticpro (&Qsemi_light
);
6794 Qsemi_bold
= intern ("semi-bold");
6795 staticpro (&Qsemi_bold
);
6796 Qbold
= intern ("bold");
6798 Qextra_bold
= intern ("extra-bold");
6799 staticpro (&Qextra_bold
);
6800 Qultra_bold
= intern ("ultra-bold");
6801 staticpro (&Qultra_bold
);
6802 Qoblique
= intern ("oblique");
6803 staticpro (&Qoblique
);
6804 Qitalic
= intern ("italic");
6805 staticpro (&Qitalic
);
6806 Qreverse_oblique
= intern ("reverse-oblique");
6807 staticpro (&Qreverse_oblique
);
6808 Qreverse_italic
= intern ("reverse-italic");
6809 staticpro (&Qreverse_italic
);
6810 Qultra_condensed
= intern ("ultra-condensed");
6811 staticpro (&Qultra_condensed
);
6812 Qextra_condensed
= intern ("extra-condensed");
6813 staticpro (&Qextra_condensed
);
6814 Qcondensed
= intern ("condensed");
6815 staticpro (&Qcondensed
);
6816 Qsemi_condensed
= intern ("semi-condensed");
6817 staticpro (&Qsemi_condensed
);
6818 Qsemi_expanded
= intern ("semi-expanded");
6819 staticpro (&Qsemi_expanded
);
6820 Qexpanded
= intern ("expanded");
6821 staticpro (&Qexpanded
);
6822 Qextra_expanded
= intern ("extra-expanded");
6823 staticpro (&Qextra_expanded
);
6824 Qultra_expanded
= intern ("ultra-expanded");
6825 staticpro (&Qultra_expanded
);
6826 Qbackground_color
= intern ("background-color");
6827 staticpro (&Qbackground_color
);
6828 Qforeground_color
= intern ("foreground-color");
6829 staticpro (&Qforeground_color
);
6830 Qunspecified
= intern ("unspecified");
6831 staticpro (&Qunspecified
);
6832 Qignore_defface
= intern (":ignore-defface");
6833 staticpro (&Qignore_defface
);
6835 Qface_alias
= intern ("face-alias");
6836 staticpro (&Qface_alias
);
6837 Qdefault
= intern ("default");
6838 staticpro (&Qdefault
);
6839 Qtool_bar
= intern ("tool-bar");
6840 staticpro (&Qtool_bar
);
6841 Qregion
= intern ("region");
6842 staticpro (&Qregion
);
6843 Qfringe
= intern ("fringe");
6844 staticpro (&Qfringe
);
6845 Qheader_line
= intern ("header-line");
6846 staticpro (&Qheader_line
);
6847 Qscroll_bar
= intern ("scroll-bar");
6848 staticpro (&Qscroll_bar
);
6849 Qmenu
= intern ("menu");
6851 Qcursor
= intern ("cursor");
6852 staticpro (&Qcursor
);
6853 Qborder
= intern ("border");
6854 staticpro (&Qborder
);
6855 Qmouse
= intern ("mouse");
6856 staticpro (&Qmouse
);
6857 Qmode_line_inactive
= intern ("mode-line-inactive");
6858 staticpro (&Qmode_line_inactive
);
6859 Qvertical_border
= intern ("vertical-border");
6860 staticpro (&Qvertical_border
);
6861 Qtty_color_desc
= intern ("tty-color-desc");
6862 staticpro (&Qtty_color_desc
);
6863 Qtty_color_standard_values
= intern ("tty-color-standard-values");
6864 staticpro (&Qtty_color_standard_values
);
6865 Qtty_color_by_index
= intern ("tty-color-by-index");
6866 staticpro (&Qtty_color_by_index
);
6867 Qtty_color_alist
= intern ("tty-color-alist");
6868 staticpro (&Qtty_color_alist
);
6869 Qscalable_fonts_allowed
= intern ("scalable-fonts-allowed");
6870 staticpro (&Qscalable_fonts_allowed
);
6872 Vparam_value_alist
= Fcons (Fcons (Qnil
, Qnil
), Qnil
);
6873 staticpro (&Vparam_value_alist
);
6874 Vface_alternative_font_family_alist
= Qnil
;
6875 staticpro (&Vface_alternative_font_family_alist
);
6876 Vface_alternative_font_registry_alist
= Qnil
;
6877 staticpro (&Vface_alternative_font_registry_alist
);
6879 defsubr (&Sinternal_make_lisp_face
);
6880 defsubr (&Sinternal_lisp_face_p
);
6881 defsubr (&Sinternal_set_lisp_face_attribute
);
6882 #ifdef HAVE_WINDOW_SYSTEM
6883 defsubr (&Sinternal_set_lisp_face_attribute_from_resource
);
6885 defsubr (&Scolor_gray_p
);
6886 defsubr (&Scolor_supported_p
);
6887 defsubr (&Sface_attribute_relative_p
);
6888 defsubr (&Smerge_face_attribute
);
6889 defsubr (&Sinternal_get_lisp_face_attribute
);
6890 defsubr (&Sinternal_lisp_face_attribute_values
);
6891 defsubr (&Sinternal_lisp_face_equal_p
);
6892 defsubr (&Sinternal_lisp_face_empty_p
);
6893 defsubr (&Sinternal_copy_lisp_face
);
6894 defsubr (&Sinternal_merge_in_global_face
);
6895 defsubr (&Sface_font
);
6896 defsubr (&Sframe_face_alist
);
6897 defsubr (&Sdisplay_supports_face_attributes_p
);
6898 defsubr (&Scolor_distance
);
6899 defsubr (&Sinternal_set_font_selection_order
);
6900 defsubr (&Sinternal_set_alternative_font_family_alist
);
6901 defsubr (&Sinternal_set_alternative_font_registry_alist
);
6902 defsubr (&Sface_attributes_as_vector
);
6904 defsubr (&Sdump_face
);
6905 defsubr (&Sshow_face_resources
);
6906 #endif /* GLYPH_DEBUG */
6907 defsubr (&Sclear_face_cache
);
6908 defsubr (&Stty_suppress_bold_inverse_default_colors
);
6910 #if defined DEBUG_X_COLORS && defined HAVE_X_WINDOWS
6911 defsubr (&Sdump_colors
);
6914 DEFVAR_LISP ("font-list-limit", &Vfont_list_limit
,
6915 doc
: /* *Limit for font matching.
6916 If an integer > 0, font matching functions won't load more than
6917 that number of fonts when searching for a matching font. */);
6918 Vfont_list_limit
= make_number (DEFAULT_FONT_LIST_LIMIT
);
6920 DEFVAR_LISP ("face-new-frame-defaults", &Vface_new_frame_defaults
,
6921 doc
: /* List of global face definitions (for internal use only.) */);
6922 Vface_new_frame_defaults
= Qnil
;
6924 DEFVAR_LISP ("face-default-stipple", &Vface_default_stipple
,
6925 doc
: /* *Default stipple pattern used on monochrome displays.
6926 This stipple pattern is used on monochrome displays
6927 instead of shades of gray for a face background color.
6928 See `set-face-stipple' for possible values for this variable. */);
6929 Vface_default_stipple
= build_string ("gray3");
6931 DEFVAR_LISP ("tty-defined-color-alist", &Vtty_defined_color_alist
,
6932 doc
: /* An alist of defined terminal colors and their RGB values. */);
6933 Vtty_defined_color_alist
= Qnil
;
6935 DEFVAR_LISP ("scalable-fonts-allowed", &Vscalable_fonts_allowed
,
6936 doc
: /* Allowed scalable fonts.
6937 A value of nil means don't allow any scalable fonts.
6938 A value of t means allow any scalable font.
6939 Otherwise, value must be a list of regular expressions. A font may be
6940 scaled if its name matches a regular expression in the list.
6941 Note that if value is nil, a scalable font might still be used, if no
6942 other font of the appropriate family and registry is available. */);
6943 Vscalable_fonts_allowed
= Qnil
;
6945 DEFVAR_LISP ("face-ignored-fonts", &Vface_ignored_fonts
,
6946 doc
: /* List of ignored fonts.
6947 Each element is a regular expression that matches names of fonts to
6949 Vface_ignored_fonts
= Qnil
;
6951 DEFVAR_LISP ("face-remapping-alist", &Vface_remapping_alist
,
6952 doc
: /* Alist of face remappings.
6953 Each element is of the form:
6955 (FACE REPLACEMENT...),
6957 which causes display of the face FACE to use REPLACEMENT... instead.
6958 REPLACEMENT... is interpreted the same way the value of a `face' text
6959 property is: it may be (1) A face name, (2) A list of face names, (3) A
6960 property-list of face attribute/value pairs, or (4) A list of face names
6961 intermixed with lists containing face attribute/value pairs.
6963 Multiple entries in REPLACEMENT... are merged together to form the final
6964 result, with faces or attributes earlier in the list taking precedence
6965 over those that are later.
6967 Face-name remapping cycles are suppressed; recursive references use the
6968 underlying face instead of the remapped face. So a remapping of the form:
6970 (FACE EXTRA-FACE... FACE)
6974 (FACE (FACE-ATTR VAL ...) FACE)
6976 will cause EXTRA-FACE... or (FACE-ATTR VAL ...) to be _merged_ with the
6977 existing definition of FACE. Note that for the default face, this isn't
6978 necessary, as every face inherits from the default face.
6980 Making this variable buffer-local is a good way to allow buffer-specific
6981 face definitions. For instance, the mode my-mode could define a face
6982 `my-mode-default', and then in the mode setup function, do:
6984 (set (make-local-variable 'face-remapping-alist)
6985 '((default my-mode-default)))). */);
6986 Vface_remapping_alist
= Qnil
;
6988 DEFVAR_LISP ("face-font-rescale-alist", &Vface_font_rescale_alist
,
6989 doc
: /* Alist of fonts vs the rescaling factors.
6990 Each element is a cons (FONT-NAME-PATTERN . RESCALE-RATIO), where
6991 FONT-NAME-PATTERN is a regular expression matching a font name, and
6992 RESCALE-RATIO is a floating point number to specify how much larger
6993 \(or smaller) font we should use. For instance, if a face requests
6994 a font of 10 point, we actually use a font of 10 * RESCALE-RATIO point. */);
6995 Vface_font_rescale_alist
= Qnil
;
6997 #ifdef HAVE_WINDOW_SYSTEM
6998 defsubr (&Sbitmap_spec_p
);
6999 defsubr (&Sx_list_fonts
);
7000 defsubr (&Sinternal_face_x_get_resource
);
7001 defsubr (&Sx_family_fonts
);
7002 defsubr (&Sx_font_family_list
);
7003 #endif /* HAVE_WINDOW_SYSTEM */
7006 /* arch-tag: 8a0f7598-5517-408d-9ab3-1da6fcd4c749
7007 (do not change this comment) */