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comparison lisp/x-faces.el @ 209:41ff10fd062f r20-4b3
Import from CVS: tag r20-4b3
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date | Mon, 13 Aug 2007 10:04:58 +0200 |
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1 ;;; x-faces.el --- X-specific face frobnication, aka black magic. | |
2 | |
3 ;; Copyright (C) 1992-4, 1997 Free Software Foundation, Inc. | |
4 ;; Copyright (C) 1995, 1996 Ben Wing. | |
5 | |
6 ;; Author: Jamie Zawinski <jwz@netscape.com> | |
7 ;; Maintainer: XEmacs Development Team | |
8 ;; Keywords: extensions, internal, dumped | |
9 | |
10 ;; This file is part of XEmacs. | |
11 | |
12 ;; XEmacs is free software; you can redistribute it and/or modify it | |
13 ;; under the terms of the GNU General Public License as published by | |
14 ;; the Free Software Foundation; either version 2, or (at your option) | |
15 ;; any later version. | |
16 | |
17 ;; XEmacs is distributed in the hope that it will be useful, but | |
18 ;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
19 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
20 ;; General Public License for more details. | |
21 | |
22 ;; You should have received a copy of the GNU General Public License | |
23 ;; along with XEmacs; see the file COPYING. If not, write to the | |
24 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
25 ;; Boston, MA 02111-1307, USA. | |
26 | |
27 ;;; Synched up with: Not synched. | |
28 | |
29 ;;; Commentary: | |
30 | |
31 ;; This file is dumped with XEmacs (when X support is compiled in). | |
32 | |
33 ;; Modified by: Chuck Thompson | |
34 ;; Modified by: Ben Wing | |
35 ;; Modified by: Martin Buchholz | |
36 | |
37 ;; This file does the magic to parse X font names, and make sure that the | |
38 ;; default and modeline attributes of new frames are specified enough. | |
39 | |
40 ;; The resource-manager syntax for faces is | |
41 | |
42 ;; Emacs.bold.attributeFont: font-name | |
43 ;; Emacs.bold.attributeForeground: fg | |
44 ;; Emacs.bold.attributeBackground: bg | |
45 ;; Emacs.bold.attributeBackgroundPixmap: file | |
46 ;; Emacs.bold.attributeUnderline: true/false | |
47 ;; Emacs.bold.attributeStrikethru: true/false | |
48 | |
49 ;; You can specify the properties of a face on a per-frame basis. For | |
50 ;; example, to have the "isearch" face use a red foreground on frames | |
51 ;; named "emacs" (the default) but use a blue foreground on frames that | |
52 ;; you create named "debugger", you could do | |
53 | |
54 ;; Emacs*emacs.isearch.attributeForeground: red | |
55 ;; Emacs*debugger.isearch.attributeForeground: blue | |
56 | |
57 ;; Generally things that make faces won't set any of the face attributes if | |
58 ;; you have already given them values via the resource database. You can | |
59 ;; also change this stuff from your .emacs file, by using the functions | |
60 ;; set-face-foreground, set-face-font, etc. See the code in this file, and | |
61 ;; in faces.el. | |
62 | |
63 ;;; Code: | |
64 | |
65 (defconst x-font-regexp nil) | |
66 (defconst x-font-regexp-head nil) | |
67 (defconst x-font-regexp-head-2 nil) | |
68 (defconst x-font-regexp-weight nil) | |
69 (defconst x-font-regexp-slant nil) | |
70 (defconst x-font-regexp-pixel nil) | |
71 (defconst x-font-regexp-point nil) | |
72 (defconst x-font-regexp-foundry-and-family nil) | |
73 (defconst x-font-regexp-registry-and-encoding nil) | |
74 (defconst x-font-regexp-spacing nil) | |
75 | |
76 ;;; Regexps matching font names in "Host Portable Character Representation." | |
77 ;;; | |
78 (let ((- "[-?]") | |
79 (foundry "[^-]*") | |
80 (family "[^-]*") | |
81 (weight "\\(bold\\|demibold\\|medium\\|black\\)") ; 1 | |
82 ; (weight\? "\\(\\*\\|bold\\|demibold\\|medium\\|\\)") ; 1 | |
83 (weight\? "\\([^-]*\\)") ; 1 | |
84 (slant "\\([ior]\\)") ; 2 | |
85 ; (slant\? "\\([ior?*]?\\)") ; 2 | |
86 (slant\? "\\([^-]?\\)") ; 2 | |
87 ; (swidth "\\(\\*\\|normal\\|semicondensed\\|\\)") ; 3 | |
88 (swidth "\\([^-]*\\)") ; 3 | |
89 ; (adstyle "\\(\\*\\|sans\\|\\)") ; 4 | |
90 (adstyle "\\([^-]*\\)") ; 4 | |
91 (pixelsize "\\(\\*\\|[0-9]+\\)") ; 5 | |
92 (pointsize "\\(\\*\\|0\\|[0-9][0-9]+\\)") ; 6 | |
93 ; (resx "\\(\\*\\|[0-9][0-9]+\\)") ; 7 | |
94 ; (resy "\\(\\*\\|[0-9][0-9]+\\)") ; 8 | |
95 (resx "\\([*0]\\|[0-9][0-9]+\\)") ; 7 | |
96 (resy "\\([*0]\\|[0-9][0-9]+\\)") ; 8 | |
97 (spacing "[cmp?*]") | |
98 (avgwidth "\\(\\*\\|[0-9]+\\)") ; 9 | |
99 (registry "[^-]*") ; some fonts have omitted registries | |
100 ; (encoding ".+") ; note that encoding may contain "-"... | |
101 (encoding "[^-]+") ; false! | |
102 ) | |
103 (setq x-font-regexp | |
104 (purecopy | |
105 (concat "\\`\\*?[-?*]" | |
106 foundry - family - weight\? - slant\? - swidth - adstyle - | |
107 pixelsize - pointsize - resx - resy - spacing - avgwidth - | |
108 registry - encoding "\\'" | |
109 ))) | |
110 (setq x-font-regexp-head | |
111 (purecopy | |
112 (concat "\\`[-?*]" foundry - family - weight\? - slant\? | |
113 "\\([-*?]\\|\\'\\)"))) | |
114 (setq x-font-regexp-head-2 | |
115 (purecopy | |
116 (concat "\\`[-?*]" foundry - family - weight\? - slant\? | |
117 - swidth - adstyle - pixelsize - pointsize | |
118 "\\([-*?]\\|\\'\\)"))) | |
119 (setq x-font-regexp-slant (purecopy (concat - slant -))) | |
120 (setq x-font-regexp-weight (purecopy (concat - weight -))) | |
121 ;; if we can't match any of the more specific regexps (unfortunate) then | |
122 ;; look for digits; assume 2+ digits is 10ths of points, and 1-2 digits | |
123 ;; is pixels. Bogus as hell. | |
124 (setq x-font-regexp-pixel (purecopy "[-?*]\\([0-9][0-9]?\\)[-?*]")) | |
125 (setq x-font-regexp-point (purecopy "[-?*]\\([0-9][0-9]+\\)[-?*]")) | |
126 ;; the following two are used by x-font-menu.el. | |
127 (setq x-font-regexp-foundry-and-family | |
128 (purecopy (concat "\\`[-?*]" foundry - "\\(" family "\\)" -))) | |
129 (setq x-font-regexp-registry-and-encoding | |
130 (purecopy (concat - "\\(" registry "\\)" - "\\(" encoding "\\)\\'"))) | |
131 (setq x-font-regexp-spacing | |
132 (purecopy (concat - "\\(" spacing "\\)" - avgwidth | |
133 - registry - encoding "\\'"))) | |
134 ) | |
135 | |
136 ;; A "loser font" is something like "8x13" -> "8x13bold". | |
137 ;; These are supported only through extreme generosity. | |
138 (defconst x-loser-font-regexp (purecopy "\\`[0-9]+x[0-9]+\\'")) | |
139 | |
140 (defun x-frob-font-weight (font which) | |
141 (if (font-instance-p font) (setq font (font-instance-name font))) | |
142 (cond ((null font) nil) | |
143 ((or (string-match x-font-regexp font) | |
144 (string-match x-font-regexp-head font) | |
145 (string-match x-font-regexp-weight font)) | |
146 (concat (substring font 0 (match-beginning 1)) which | |
147 (substring font (match-end 1)))) | |
148 ((string-match x-loser-font-regexp font) | |
149 (concat font which)) | |
150 (t nil))) | |
151 | |
152 (defun x-frob-font-slant (font which) | |
153 (if (font-instance-p font) (setq font (font-instance-name font))) | |
154 (cond ((null font) nil) | |
155 ((or (string-match x-font-regexp font) | |
156 (string-match x-font-regexp-head font)) | |
157 (concat (substring font 0 (match-beginning 2)) which | |
158 (substring font (match-end 2)))) | |
159 ((string-match x-font-regexp-slant font) | |
160 (concat (substring font 0 (match-beginning 1)) which | |
161 (substring font (match-end 1)))) | |
162 ((string-match x-loser-font-regexp font) | |
163 (concat font which)) | |
164 (t nil))) | |
165 | |
166 (defun try-font-name (name &optional device) | |
167 ;; yes, name really should be here twice. | |
168 (and name (make-font-instance name device t) name)) | |
169 | |
170 (defun x-make-font-bold (font &optional device) | |
171 "Given an X font specification, this attempts to make a `bold' font. | |
172 If it fails, it returns nil." | |
173 ;; Certain Type1 fonts know "bold" as "black"... | |
174 (or (try-font-name (x-frob-font-weight font "bold") device) | |
175 (try-font-name (x-frob-font-weight font "black") device) | |
176 (try-font-name (x-frob-font-weight font "demibold") device))) | |
177 | |
178 (defun x-make-font-unbold (font &optional device) | |
179 "Given an X font specification, this attempts to make a non-bold font. | |
180 If it fails, it returns nil." | |
181 (try-font-name (x-frob-font-weight font "medium") device)) | |
182 | |
183 (defcustom *try-oblique-before-italic-fonts* nil | |
184 "*If nil, italic fonts are searched before oblique fonts. | |
185 If non-nil, oblique fonts are tried before italic fonts. This is mostly | |
186 applicable to adobe-courier fonts" | |
187 :type 'boolean | |
188 :tag "Try Oblique Before Italic Fonts" | |
189 :group 'x) | |
190 | |
191 (defun x-make-font-italic (font &optional device) | |
192 "Given an X font specification, this attempts to make an `italic' font. | |
193 If it fails, it returns nil." | |
194 (if *try-oblique-before-italic-fonts* | |
195 (or (try-font-name (x-frob-font-slant font "o") device) | |
196 (try-font-name (x-frob-font-slant font "i") device)) | |
197 (or (try-font-name (x-frob-font-slant font "i") device) | |
198 (try-font-name (x-frob-font-slant font "o") device)))) | |
199 | |
200 (defun x-make-font-unitalic (font &optional device) | |
201 "Given an X font specification, this attempts to make a non-italic font. | |
202 If it fails, it returns nil." | |
203 (try-font-name (x-frob-font-slant font "r") device)) | |
204 | |
205 (defun x-make-font-bold-italic (font &optional device) | |
206 "Given an X font specification, this attempts to make a `bold-italic' font. | |
207 If it fails, it returns nil." | |
208 ;; This is haired up to avoid loading the "intermediate" fonts. | |
209 (or (try-font-name | |
210 (x-frob-font-slant (x-frob-font-weight font "bold") "i") device) | |
211 (try-font-name | |
212 (x-frob-font-slant (x-frob-font-weight font "bold") "o") device) | |
213 (try-font-name | |
214 (x-frob-font-slant (x-frob-font-weight font "black") "i") device) | |
215 (try-font-name | |
216 (x-frob-font-slant (x-frob-font-weight font "black") "o") device) | |
217 (try-font-name | |
218 (x-frob-font-slant (x-frob-font-weight font "demibold") "i") device) | |
219 (try-font-name | |
220 (x-frob-font-slant (x-frob-font-weight font "demibold") "o") device))) | |
221 | |
222 (defun x-font-size (font) | |
223 "Return the nominal size of the given font. | |
224 This is done by parsing its name, so it's likely to lose. | |
225 X fonts can be specified (by the user) in either pixels or 10ths of points, | |
226 and this returns the first one it finds, so you have to decide which units | |
227 the returned value is measured in yourself..." | |
228 (if (font-instance-p font) (setq font (font-instance-name font))) | |
229 (cond ((or (string-match x-font-regexp font) | |
230 (string-match x-font-regexp-head-2 font)) | |
231 (string-to-int (substring font (match-beginning 6) (match-end 6)))) | |
232 ((or (string-match x-font-regexp-pixel font) | |
233 (string-match x-font-regexp-point font)) | |
234 (string-to-int (substring font (match-beginning 1) (match-end 1)))) | |
235 (t nil))) | |
236 | |
237 ;; Given a font name, this function returns a list describing all fonts | |
238 ;; of all sizes that otherwise match the given font spec. Each element | |
239 ;; in the list is a list of three items: the pixel size of the font, | |
240 ;; the point size (in 1/10ths of a point) of the font, and the fully- | |
241 ;; qualified font name. The first two values may be zero; this | |
242 ;; refers to a scalable font. | |
243 | |
244 (defun x-available-font-sizes (font device) | |
245 (if (font-instance-p font) (setq font (font-instance-name font))) | |
246 (cond ((string-match x-font-regexp font) | |
247 ;; turn pixelsize, pointsize, and avgwidth into wildcards | |
248 (setq font | |
249 (concat (substring font 0 (match-beginning 5)) "*" | |
250 (substring font (match-end 5) (match-beginning 6)) "*" | |
251 (substring font (match-end 6) (match-beginning 9)) "*" | |
252 (substring font (match-end 9) (match-end 0))))) | |
253 ((string-match x-font-regexp-head-2 font) | |
254 ;; turn pixelsize and pointsize into wildcards | |
255 (setq font | |
256 (concat (substring font 0 (match-beginning 5)) "*" | |
257 (substring font (match-end 5) (match-beginning 6)) "*" | |
258 (substring font (match-end 6) (match-end 0))))) | |
259 ((string-match "[-?*]\\([0-9]+\\)[-?*]" font) | |
260 ;; Turn the first integer we match into a wildcard. | |
261 ;; This is pretty dubious... | |
262 (setq font | |
263 (concat (substring font 0 (match-beginning 1)) "*" | |
264 (substring font (match-end 1) (match-end 0)))))) | |
265 (sort | |
266 (delq nil | |
267 (mapcar (function | |
268 (lambda (name) | |
269 (and (string-match x-font-regexp name) | |
270 (list | |
271 (string-to-int (substring name (match-beginning 5) | |
272 (match-end 5))) | |
273 (string-to-int (substring name (match-beginning 6) | |
274 (match-end 6))) | |
275 name)))) | |
276 (list-fonts font device))) | |
277 (function (lambda (x y) (if (= (nth 1 x) (nth 1 y)) | |
278 (< (nth 0 x) (nth 0 y)) | |
279 (< (nth 1 x) (nth 1 y))))))) | |
280 | |
281 ;; Given a font name, this attempts to construct a valid font name for | |
282 ;; DEVICE whose size is the next smaller (if UP-P is nil) or larger | |
283 ;; (if UP-P is t) size and whose other characteristics are the same | |
284 ;; as the given font. | |
285 | |
286 (defun x-frob-font-size (font up-p device) | |
287 (if (stringp font) (setq font (make-font-instance font device))) | |
288 (if (font-instance-p font) (setq font (font-instance-truename font))) | |
289 (let ((available (and font | |
290 (x-available-font-sizes font device)))) | |
291 (cond | |
292 ((null available) nil) | |
293 ((or (= 0 (nth 0 (car available))) | |
294 (= 0 (nth 1 (car available)))) | |
295 ;; R5 scalable fonts: change size by 1 point. | |
296 ;; If they're scalable the first font will have pixel or point = 0. | |
297 ;; Sometimes one is 0 and the other isn't (if it's a bitmap font that | |
298 ;; can be scaled), sometimes both are (if it's a true outline font). | |
299 (let ((name (nth 2 (car available))) | |
300 old-size) | |
301 (or (string-match x-font-regexp font) (error "can't parse %S" font)) | |
302 (setq old-size (string-to-int | |
303 (substring font (match-beginning 6) (match-end 6)))) | |
304 (or (> old-size 0) (error "font truename has 0 pointsize?")) | |
305 (or (string-match x-font-regexp name) (error "can't parse %S" name)) | |
306 ;; turn pixelsize into a wildcard, and make pointsize be +/- 10, | |
307 ;; which is +/- 1 point. All other fields stay the same as they | |
308 ;; were in the "template" font returned by x-available-font-sizes. | |
309 ;; | |
310 ;; #### But this might return the same font: for example, if the | |
311 ;; truename of "-*-courier-medium-r-normal--*-230-75-75-m-0-*" | |
312 ;; is "...-240-..." (instead of 230) then this loses, because | |
313 ;; the 230 that was passed in as an arg got turned into 240 | |
314 ;; by the call to font-instance-truename; then we decrement that | |
315 ;; by 10 and return the result which is the same. I think the | |
316 ;; way to fix this is to make this be a loop that keeps trying | |
317 ;; progressively larger pointsize deltas until it finds one | |
318 ;; whose truename differs. Have to be careful to avoid infinite | |
319 ;; loops at the upper end... | |
320 ;; | |
321 (concat (substring name 0 (match-beginning 5)) "*" | |
322 (substring name (match-end 5) (match-beginning 6)) | |
323 (int-to-string (+ old-size (if up-p 10 -10))) | |
324 (substring name (match-end 6) (match-end 0))))) | |
325 (t | |
326 ;; non-scalable fonts: take the next available size. | |
327 (let ((rest available) | |
328 (last nil) | |
329 result) | |
330 (setq font (downcase font)) | |
331 (while rest | |
332 (cond ((and (not up-p) (equal font (downcase (nth 2 (car rest))))) | |
333 (setq result last | |
334 rest nil)) | |
335 ((and up-p (equal font (and last (downcase (nth 2 last))))) | |
336 (setq result (car rest) | |
337 rest nil))) | |
338 (setq last (car rest)) | |
339 (setq rest (cdr rest))) | |
340 (nth 2 result)))))) | |
341 | |
342 (defun x-find-smaller-font (font &optional device) | |
343 "Loads a new, slightly smaller version of the given font (or font name). | |
344 Returns the font if it succeeds, nil otherwise. | |
345 If scalable fonts are available, this returns a font which is 1 point smaller. | |
346 Otherwise, it returns the next smaller version of this font that is defined." | |
347 (x-frob-font-size font nil device)) | |
348 | |
349 (defun x-find-larger-font (font &optional device) | |
350 "Loads a new, slightly larger version of the given font (or font name). | |
351 Returns the font if it succeeds, nil otherwise. | |
352 If scalable fonts are available, this returns a font which is 1 point larger. | |
353 Otherwise, it returns the next larger version of this font that is defined." | |
354 (x-frob-font-size font t device)) | |
355 | |
356 (defalias 'x-make-face-bold 'make-face-bold) | |
357 (defalias 'x-make-face-italic 'make-face-italic) | |
358 (defalias 'x-make-face-bold-italic 'make-face-bold-italic) | |
359 (defalias 'x-make-face-unbold 'make-face-unbold) | |
360 (defalias 'x-make-face-unitalic 'make-face-unitalic) | |
361 | |
362 (make-obsolete 'x-make-face-bold 'make-face-bold) | |
363 (make-obsolete 'x-make-face-italic 'make-face-italic) | |
364 (make-obsolete 'x-make-face-bold-italic 'make-face-bold-italic) | |
365 (make-obsolete 'x-make-face-unbold 'make-face-unbold) | |
366 (make-obsolete 'x-make-face-unitalic 'make-face-unitalic) | |
367 | |
368 | |
369 ;; Define some logical color names to be used when reading the pixmap files. | |
370 (if (featurep 'xpm) | |
371 (setq xpm-color-symbols | |
372 (list | |
373 (purecopy '("foreground" (face-foreground 'default))) | |
374 (purecopy '("background" (face-background 'default))) | |
375 (purecopy '("backgroundToolBarColor" | |
376 (x-get-resource "backgroundToolBarColor" | |
377 "BackgroundToolBarColor" 'string))) | |
378 ))) | |
379 | |
380 ;;; internal routines | |
381 | |
382 ;;; x-init-face-from-resources is responsible for initializing a | |
383 ;;; newly-created face from the resource database. | |
384 ;;; | |
385 ;;; When a new frame is created, it is called from `x-init-frame-faces' | |
386 ;;; called from `init-frame-faces' called from init_frame_faces() | |
387 ;;; from Fmake_frame(). In this case it is called once for each existing | |
388 ;;; face, with the newly-created frame as the argument. It then initializes | |
389 ;;; the newly-created faces on that frame. | |
390 ;;; | |
391 ;;; It's also called from `init-device-faces' and | |
392 ;;; `init-global-faces'. | |
393 ;;; | |
394 ;;; This had better not signal an error. The frame is in an intermediate | |
395 ;;; state where signalling an error or entering the debugger would likely | |
396 ;;; result in a crash. | |
397 | |
398 (defun x-init-face-from-resources (face &optional locale set-anyway) | |
399 | |
400 ;; | |
401 ;; These are things like "attributeForeground" instead of simply | |
402 ;; "foreground" because people tend to do things like "*foreground", | |
403 ;; which would cause all faces to be fully qualified, making faces | |
404 ;; inherit attributes in a non-useful way. So we've made them slightly | |
405 ;; less obvious to specify in order to make them work correctly in | |
406 ;; more random environments. | |
407 ;; | |
408 ;; I think these should be called "face.faceForeground" instead of | |
409 ;; "face.attributeForeground", but they're the way they are for | |
410 ;; hysterical reasons. (jwz) | |
411 | |
412 (let* ((append (if set-anyway nil 'append)) | |
413 (face-sym (face-name face)) | |
414 (name (symbol-name face-sym)) | |
415 (fn (x-get-resource-and-maybe-bogosity-check | |
416 (concat name ".attributeFont") | |
417 "Face.AttributeFont" | |
418 'string locale)) | |
419 (fg (x-get-resource-and-maybe-bogosity-check | |
420 (concat name ".attributeForeground") | |
421 "Face.AttributeForeground" | |
422 'string locale)) | |
423 (bg (x-get-resource-and-maybe-bogosity-check | |
424 (concat name ".attributeBackground") | |
425 "Face.AttributeBackground" | |
426 'string locale)) | |
427 (bgp (x-get-resource-and-maybe-bogosity-check | |
428 (concat name ".attributeBackgroundPixmap") | |
429 "Face.AttributeBackgroundPixmap" | |
430 'string locale)) | |
431 (ulp (x-get-resource-and-maybe-bogosity-check | |
432 (concat name ".attributeUnderline") | |
433 "Face.AttributeUnderline" | |
434 'boolean locale)) | |
435 (stp (x-get-resource-and-maybe-bogosity-check | |
436 (concat name ".attributeStrikethru") | |
437 "Face.AttributeStrikethru" | |
438 'boolean locale)) | |
439 ;; we still resource for these TTY-only resources so that | |
440 ;; you can specify resources for TTY frames/devices. This is | |
441 ;; useful when you start up your XEmacs on an X display and later | |
442 ;; open some TTY frames. | |
443 (hp (x-get-resource-and-maybe-bogosity-check | |
444 (concat name ".attributeHighlight") | |
445 "Face.AttributeHighlight" | |
446 'boolean locale)) | |
447 (dp (x-get-resource-and-maybe-bogosity-check | |
448 (concat name ".attributeDim") | |
449 "Face.AttributeDim" | |
450 'boolean locale)) | |
451 (bp (x-get-resource-and-maybe-bogosity-check | |
452 (concat name ".attributeBlinking") | |
453 "Face.AttributeBlinking" | |
454 'boolean locale)) | |
455 (rp (x-get-resource-and-maybe-bogosity-check | |
456 (concat name ".attributeReverse") | |
457 "Face.AttributeReverse" | |
458 'boolean locale)) | |
459 ) | |
460 | |
461 ;; | |
462 ;; If this is the default face, then any unspecified properties should | |
463 ;; be defaulted from the global properties. Can't do this for | |
464 ;; frames or devices because then, common resource specs like | |
465 ;; "*Foreground: black" will have unwanted effects. | |
466 ;; | |
467 (if (and (eq (face-name face) 'default) | |
468 (or (null locale) (eq locale 'global))) | |
469 (progn | |
470 (or fn (setq fn (x-get-resource | |
471 "font" "Font" 'string locale))) | |
472 (or fg (setq fg (x-get-resource | |
473 "foreground" "Foreground" 'string locale))) | |
474 (or bg (setq bg (x-get-resource | |
475 "background" "Background" 'string locale))))) | |
476 ;; | |
477 ;; "*cursorColor: foo" is equivalent to setting the background of the | |
478 ;; text-cursor face. | |
479 ;; | |
480 (if (and (eq (face-name face) 'text-cursor) | |
481 (or (null locale) (eq locale 'global))) | |
482 (setq bg (or (x-get-resource | |
483 "cursorColor" "CursorColor" 'string locale) bg))) | |
484 ;; #### should issue warnings? I think this should be | |
485 ;; done when the instancing actually happens, but I'm not | |
486 ;; sure how it should actually be dealt with. | |
487 (if fn | |
488 (set-face-font face fn locale nil append)) | |
489 ;; Kludge-o-rooni. Set the foreground and background resources for | |
490 ;; X devices only -- otherwise things tend to get all messed up | |
491 ;; if you start up an X frame and then later create a TTY frame. | |
492 (if fg | |
493 (set-face-foreground face fg locale 'x append)) | |
494 (if bg | |
495 (set-face-background face bg locale 'x append)) | |
496 (if bgp | |
497 (set-face-background-pixmap face bgp locale nil append)) | |
498 (if ulp | |
499 (set-face-underline-p face ulp locale nil append)) | |
500 (if stp | |
501 (set-face-strikethru-p face stp locale nil append)) | |
502 (if hp | |
503 (set-face-highlight-p face hp locale nil append)) | |
504 (if dp | |
505 (set-face-dim-p face dp locale nil append)) | |
506 (if bp | |
507 (set-face-blinking-p face bp locale nil append)) | |
508 (if rp | |
509 (set-face-reverse-p face rp locale nil append)) | |
510 )) | |
511 | |
512 ;; GNU Emacs compatibility. (move to obsolete.el?) | |
513 (defalias 'make-face-x-resource-internal 'x-init-face-from-resources) | |
514 | |
515 ;;; x-init-global-faces is responsible for ensuring that the | |
516 ;;; default face has some reasonable fallbacks if nothing else is | |
517 ;;; specified. | |
518 ;;; | |
519 (defun x-init-global-faces () | |
520 (or (face-font 'default 'global) | |
521 (set-face-font 'default | |
522 "-*-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-*") | |
523 'global) | |
524 (or (face-foreground 'default 'global) | |
525 (set-face-foreground 'default "black" 'global 'x)) | |
526 (or (face-background 'default 'global) | |
527 (set-face-background 'default "gray80" 'global 'x))) | |
528 | |
529 ;;; x-init-device-faces is responsible for initializing default | |
530 ;;; values for faces on a newly created device. | |
531 ;;; | |
532 (defun x-init-device-faces (device) | |
533 ;; | |
534 ;; If the "default" face didn't have a font specified, try to pick one. | |
535 ;; | |
536 (or | |
537 (face-font-instance 'default device) | |
538 ;; | |
539 ;; No font specified in the resource database; try to cope. | |
540 ;; | |
541 ;; At first I wanted to do this by just putting a font-spec in the | |
542 ;; fallback resources passed to XtAppInitialize(), but that fails | |
543 ;; if there is an Emacs app-defaults file which doesn't specify a | |
544 ;; font: apparently the fallback resources are not consulted when | |
545 ;; there is an app-defaults file, which seems pretty bogus to me. | |
546 ;; | |
547 ;; We should also probably try "*xtDefaultFont", but I think that it | |
548 ;; might be legal to specify that as "xtDefaultFont:", that is, at | |
549 ;; top level, instead of "*xtDefaultFont:", that is, applicable to | |
550 ;; every application. `x-get-resource' can't handle that right now. | |
551 ;; Anyway, xtDefaultFont is probably variable-width. | |
552 ;; | |
553 ;; Some who have LucidaTypewriter think it's a better font than Courier, | |
554 ;; but it has the bug that there are no italic and bold italic versions. | |
555 ;; We could hair this code up to try and mix-and-match fonts to get a | |
556 ;; full complement, but really, why bother. It's just a default. | |
557 ;; | |
558 (let (new-x-font) | |
559 (setq new-x-font (or | |
560 ;; | |
561 ;; We default to looking for iso8859 fonts. Using a wildcard for the | |
562 ;; encoding would be bad, because that can cause English speakers to get | |
563 ;; Kanji fonts by default. It is safe to assume that people using a | |
564 ;; language other than English have both set $LANG, and have specified | |
565 ;; their `font' and `fontList' resources. In any event, it's better to | |
566 ;; err on the side of the English speaker in this case because they are | |
567 ;; much less likely to have encountered this problem, and are thus less | |
568 ;; likely to know what to do about it. | |
569 | |
570 ;; Try for Courier. Almost everyone has that. (Does anyone not?) | |
571 (make-font-instance | |
572 "-*-courier-medium-r-*-*-*-120-*-*-*-*-iso8859-*" device t) | |
573 (make-font-instance | |
574 "-*-courier-*-r-*-*-*-120-*-*-*-*-iso8859-*" device t) | |
575 ;; Next try for any "medium" charcell or monospaced iso8859 font. | |
576 (make-font-instance "-*-*-medium-r-*-*-*-120-*-*-m-*-iso8859-*" device t) | |
577 (make-font-instance "-*-*-medium-r-*-*-*-120-*-*-c-*-iso8859-*" device t) | |
578 ;; Next try for any charcell or monospaced iso8859 font. | |
579 (make-font-instance "-*-*-*-r-*-*-*-120-*-*-m-*-iso8859-*" device t) | |
580 (make-font-instance "-*-*-*-r-*-*-*-120-*-*-c-*-iso8859-*" device t) | |
581 ;; Ok, let's at least try to stay in 8859... | |
582 (make-font-instance "-*-*-*-r-*-*-*-120-*-*-*-*-iso8859-*" device t) | |
583 ;; Boy, we sure are losing now. Try the above, but in any encoding. | |
584 (make-font-instance "-*-*-medium-r-*-*-*-120-*-*-m-*-*-*" device t) | |
585 (make-font-instance "-*-*-medium-r-*-*-*-120-*-*-c-*-*-*" device t) | |
586 (make-font-instance "-*-*-*-r-*-*-*-120-*-*-m-*-*-*" device t) | |
587 (make-font-instance "-*-*-*-r-*-*-*-120-*-*-c-*-*-*" device t) | |
588 (make-font-instance "-*-*-*-r-*-*-*-120-*-*-*-*-*-*" device t) | |
589 ;; Hello? Please? | |
590 (make-font-instance "-*-*-*-*-*-*-*-120-*-*-*-*-*-*" device t) | |
591 (make-font-instance "*" device t) | |
592 ;; if we get to here we're screwed, and faces.c will fatal()... | |
593 )) | |
594 (if (not (face-font 'default 'global)) | |
595 (set-face-font 'default new-x-font) | |
596 (set-face-font 'default new-x-font device)))) | |
597 ;; | |
598 ;; If the "default" face didn't have both colors specified, then pick | |
599 ;; some, taking into account whether one of the colors was specified. | |
600 ;; | |
601 (let ((fg (face-foreground-instance 'default device)) | |
602 (bg (face-background-instance 'default device))) | |
603 (if (not (and fg bg)) | |
604 (if (or (and fg (equal (downcase (color-instance-name fg)) "white")) | |
605 (and bg (equal (downcase (color-instance-name bg)) "black"))) | |
606 (progn | |
607 (or fg (set-face-foreground 'default "white" device)) | |
608 (or bg (set-face-background 'default "black" device))) | |
609 (or fg (set-face-foreground 'default "white" device)) | |
610 (or bg (set-face-background 'default "black" device))))) | |
611 | |
612 ;; Don't look at reverseVideo now or initialize the modeline. This | |
613 ;; is done on a per-frame basis at the appropriate time. | |
614 | |
615 ;; | |
616 ;; Now let's try to pick some reasonable defaults for a few other faces. | |
617 ;; This kind of stuff should normally go on the create-frame-hook, but | |
618 ;; this way we won't be in danger of the user screwing things up by not | |
619 ;; adding hooks in a safe way. | |
620 ;; | |
621 (x-init-pointer-shape device) ; from x-mouse.el | |
622 ) | |
623 | |
624 ;;; This is called from `init-frame-faces', which is called from | |
625 ;;; init_frame_faces() which is called from Fmake_frame(), to perform | |
626 ;;; any device-specific initialization. | |
627 ;;; | |
628 (defun x-init-frame-faces (frame) | |
629 ;; | |
630 ;; The faces already got initialized (by init-frame-faces) from | |
631 ;; the resource database or global, non-frame faces. The default, | |
632 ;; bold, bold-italic, and italic faces (plus various other random faces) | |
633 ;; got set up then. But modeline didn't so that reverseVideo can be | |
634 ;; frame-specific. | |
635 ;; | |
636 | |
637 ;; | |
638 ;; If reverseVideo was specified, swap the foreground and background | |
639 ;; of the default and modeline faces. | |
640 ;; | |
641 (cond ((car (x-get-resource "reverseVideo" "ReverseVideo" 'boolean frame)) | |
642 ;; First make sure the modeline has fg and bg, inherited from the | |
643 ;; current default face - for the case where only one is specified, | |
644 ;; so that invert-face doesn't do something weird. | |
645 (or (face-foreground 'modeline frame) | |
646 (set-face-foreground 'modeline | |
647 (face-foreground-instance 'default frame) | |
648 frame)) | |
649 (or (face-background 'modeline frame) | |
650 (set-face-background 'modeline | |
651 (face-background-instance 'default frame) | |
652 frame)) | |
653 ;; Now invert both of them. If they end up looking the same, | |
654 ;; make-frame-initial-faces will invert the modeline again later. | |
655 (invert-face 'default frame) | |
656 (invert-face 'modeline frame) | |
657 ))) | |
658 | |
659 ;;; x-faces.el ends here |