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e8af40ee | 1 | ;;; cus-face.el --- customization support for faces |
d543e20b | 2 | ;; |
a3997907 | 3 | ;; Copyright (C) 1996, 1997, 1999, 2000, 2001, 2002 Free Software Foundation, Inc. |
d543e20b PA |
4 | ;; |
5 | ;; Author: Per Abrahamsen <abraham@dina.kvl.dk> | |
6 | ;; Keywords: help, faces | |
d543e20b | 7 | |
6c283d44 | 8 | ;; This file is part of GNU Emacs. |
d543e20b | 9 | |
6c283d44 RS |
10 | ;; GNU Emacs is free software; you can redistribute it and/or modify |
11 | ;; it under the terms of the GNU General Public License as published by | |
12 | ;; the Free Software Foundation; either version 2, or (at your option) | |
13 | ;; any later version. | |
d543e20b | 14 | |
6c283d44 RS |
15 | ;; GNU Emacs is distributed in the hope that it will be useful, |
16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | ;; GNU General Public License for more details. | |
d543e20b | 19 | |
6c283d44 RS |
20 | ;; You should have received a copy of the GNU General Public License |
21 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
22 | ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
23 | ;; Boston, MA 02111-1307, USA. | |
d543e20b | 24 | |
6c283d44 RS |
25 | ;;; Commentary: |
26 | ;; | |
27 | ;; See `custom.el'. | |
d543e20b | 28 | |
6c283d44 | 29 | ;;; Code: |
d543e20b | 30 | |
da0b1f56 | 31 | (defalias 'custom-facep 'facep) |
ccd0d40c | 32 | |
d543e20b PA |
33 | ;;; Declaring a face. |
34 | ||
35 | ;;;###autoload | |
36 | (defun custom-declare-face (face spec doc &rest args) | |
37 | "Like `defface', but FACE is evaluated as a normal argument." | |
6c283d44 | 38 | (unless (get face 'face-defface-spec) |
d543e20b | 39 | (when (fboundp 'facep) |
6c283d44 | 40 | (unless (facep face) |
d543e20b | 41 | ;; If the user has already created the face, respect that. |
f4db5253 | 42 | (let ((value (or (get face 'saved-face) spec))) |
d543e20b PA |
43 | ;; Create global face. |
44 | (make-empty-face face) | |
b5188bcd | 45 | ;; Create frame-local faces |
f4db5253 | 46 | (dolist (frame (frame-list)) |
971e48ca RS |
47 | (face-spec-set face value frame))) |
48 | ;; When making a face after frames already exist | |
49 | (if (memq window-system '(x w32)) | |
50 | (make-face-x-resource-internal face)))) | |
b5188bcd RS |
51 | ;; Don't record SPEC until we see it causes no errors. |
52 | (put face 'face-defface-spec spec) | |
209ddde3 | 53 | (when (and doc (null (face-documentation face))) |
08449ec1 | 54 | (set-face-documentation face (purecopy doc))) |
d543e20b PA |
55 | (custom-handle-all-keywords face args 'custom-face) |
56 | (run-hooks 'custom-define-hook)) | |
57 | face) | |
58 | ||
da0b1f56 GM |
59 | ;;; Face attributes. |
60 | ||
d543e20b | 61 | (defconst custom-face-attributes |
da0b1f56 | 62 | '((:family |
c165ad40 MB |
63 | (string :tag "Font Family" |
64 | :help-echo "Font family or fontset alias name.")) | |
a3997907 | 65 | |
da0b1f56 GM |
66 | (:width |
67 | (choice :tag "Width" | |
68 | :help-echo "Font width." | |
c165ad40 | 69 | :value normal ; default |
da0b1f56 GM |
70 | (const :tag "compressed" condensed) |
71 | (const :tag "condensed" condensed) | |
72 | (const :tag "demiexpanded" semi-expanded) | |
73 | (const :tag "expanded" expanded) | |
74 | (const :tag "extracondensed" extra-condensed) | |
75 | (const :tag "extraexpanded" extra-expanded) | |
76 | (const :tag "medium" normal) | |
77 | (const :tag "narrow" condensed) | |
78 | (const :tag "normal" normal) | |
79 | (const :tag "regular" normal) | |
80 | (const :tag "semicondensed" semi-condensed) | |
81 | (const :tag "semiexpanded" semi-expanded) | |
82 | (const :tag "ultracondensed" ultra-condensed) | |
83 | (const :tag "ultraexpanded" ultra-expanded) | |
51a1edab | 84 | (const :tag "wide" extra-expanded))) |
71296446 | 85 | |
da0b1f56 GM |
86 | (:height |
87 | (choice :tag "Height" | |
88 | :help-echo "Face's font height." | |
c165ad40 | 89 | :value 1.0 ; default |
6bca3005 | 90 | (integer :tag "Height in 1/10 pt") |
51a1edab | 91 | (number :tag "Scale" 1.0))) |
6bca3005 | 92 | |
da0b1f56 GM |
93 | (:weight |
94 | (choice :tag "Weight" | |
95 | :help-echo "Font weight." | |
c165ad40 | 96 | :value normal ; default |
992f7c96 | 97 | (const :tag "black" ultra-bold) |
da0b1f56 GM |
98 | (const :tag "bold" bold) |
99 | (const :tag "book" semi-light) | |
100 | (const :tag "demibold" semi-bold) | |
101 | (const :tag "extralight" extra-light) | |
102 | (const :tag "extrabold" extra-bold) | |
103 | (const :tag "heavy" extra-bold) | |
104 | (const :tag "light" light) | |
105 | (const :tag "medium" normal) | |
106 | (const :tag "normal" normal) | |
107 | (const :tag "regular" normal) | |
108 | (const :tag "semibold" semi-bold) | |
109 | (const :tag "semilight" semi-light) | |
110 | (const :tag "ultralight" ultra-light) | |
51a1edab | 111 | (const :tag "ultrabold" ultra-bold))) |
71296446 | 112 | |
da0b1f56 GM |
113 | (:slant |
114 | (choice :tag "Slant" | |
115 | :help-echo "Font slant." | |
c165ad40 | 116 | :value normal ; default |
da0b1f56 GM |
117 | (const :tag "italic" italic) |
118 | (const :tag "oblique" oblique) | |
51a1edab | 119 | (const :tag "normal" normal))) |
71296446 | 120 | |
da0b1f56 GM |
121 | (:underline |
122 | (choice :tag "Underline" | |
123 | :help-echo "Control text underlining." | |
c165ad40 | 124 | (const :tag "Off" nil) |
da0b1f56 | 125 | (const :tag "On" t) |
51a1edab | 126 | (color :tag "Colored"))) |
71296446 | 127 | |
da0b1f56 GM |
128 | (:overline |
129 | (choice :tag "Overline" | |
130 | :help-echo "Control text overlining." | |
c165ad40 | 131 | (const :tag "Off" nil) |
da0b1f56 | 132 | (const :tag "On" t) |
51a1edab | 133 | (color :tag "Colored"))) |
71296446 | 134 | |
da0b1f56 GM |
135 | (:strike-through |
136 | (choice :tag "Strike-through" | |
137 | :help-echo "Control text strike-through." | |
c165ad40 | 138 | (const :tag "Off" nil) |
da0b1f56 | 139 | (const :tag "On" t) |
51a1edab | 140 | (color :tag "Colored"))) |
71296446 | 141 | |
da0b1f56 | 142 | (:box |
1743c17a | 143 | ;; Fixme: this can probably be done better. |
da0b1f56 GM |
144 | (choice :tag "Box around text" |
145 | :help-echo "Control box around text." | |
c165ad40 | 146 | (const :tag "Off" nil) |
da0b1f56 | 147 | (list :tag "Box" |
36b80a0d | 148 | :value (:line-width 2 :color "grey75" :style released-button) |
1743c17a | 149 | (const :format "" :value :line-width) |
da0b1f56 | 150 | (integer :tag "Width") |
1743c17a DL |
151 | (const :format "" :value :color) |
152 | (choice :tag "Color" (const :tag "*" nil) color) | |
153 | (const :format "" :value :style) | |
154 | (choice :tag "Style" | |
155 | (const :tag "Raised" released-button) | |
156 | (const :tag "Sunken" pressed-button) | |
157 | (const :tag "None" nil)))) | |
51a1edab MB |
158 | ;; filter to make value suitable for customize |
159 | (lambda (real-value) | |
c165ad40 MB |
160 | (and real-value |
161 | (let ((lwidth | |
162 | (or (and (consp real-value) | |
163 | (plist-get real-value :line-width)) | |
164 | (and (integerp real-value) real-value) | |
165 | 1)) | |
166 | (color | |
167 | (or (and (consp real-value) (plist-get real-value :color)) | |
168 | (and (stringp real-value) real-value) | |
169 | nil)) | |
170 | (style | |
171 | (and (consp real-value) (plist-get real-value :style)))) | |
172 | (list :line-width lwidth :color color :style style)))) | |
36b80a0d MB |
173 | ;; filter to make customized-value suitable for storing |
174 | (lambda (cus-value) | |
c165ad40 MB |
175 | (and cus-value |
176 | (let ((lwidth (plist-get cus-value :line-width)) | |
177 | (color (plist-get cus-value :color)) | |
178 | (style (plist-get cus-value :style))) | |
179 | (cond ((and (null color) (null style)) | |
180 | lwidth) | |
181 | ((and (null lwidth) (null style)) | |
182 | ;; actually can't happen, because LWIDTH is always an int | |
183 | color) | |
184 | (t | |
185 | ;; Keep as a plist, but remove null entries | |
186 | (nconc (and lwidth `(:line-width ,lwidth)) | |
187 | (and color `(:color ,color)) | |
188 | (and style `(:style ,style))))))))) | |
71296446 | 189 | |
da0b1f56 GM |
190 | (:inverse-video |
191 | (choice :tag "Inverse-video" | |
192 | :help-echo "Control whether text should be in inverse-video." | |
c165ad40 MB |
193 | (const :tag "Off" nil) |
194 | (const :tag "On" t))) | |
71296446 | 195 | |
da0b1f56 | 196 | (:foreground |
c165ad40 MB |
197 | (color :tag "Foreground" |
198 | :help-echo "Set foreground color.")) | |
71296446 | 199 | |
da0b1f56 | 200 | (:background |
c165ad40 MB |
201 | (color :tag "Background" |
202 | :help-echo "Set background color.")) | |
71296446 | 203 | |
da0b1f56 GM |
204 | (:stipple |
205 | (choice :tag "Stipple" | |
675f1fcb | 206 | :help-echo "Background bit-mask" |
c165ad40 | 207 | (const :tag "None" nil) |
675f1fcb MB |
208 | (file :tag "File" |
209 | :help-echo "Name of bitmap file." | |
210 | :must-match t))) | |
6bca3005 MB |
211 | |
212 | (:inherit | |
213 | (repeat :tag "Inherit" | |
214 | :help-echo "List of faces to inherit attributes from." | |
215 | (face :Tag "Face" default)) | |
51a1edab MB |
216 | ;; filter to make value suitable for customize |
217 | (lambda (real-value) | |
218 | (cond ((or (null real-value) (eq real-value 'unspecified)) | |
219 | nil) | |
220 | ((symbolp real-value) | |
221 | (list real-value)) | |
222 | (t | |
223 | real-value))) | |
224 | ;; filter to make customized-value suitable for storing | |
225 | (lambda (cus-value) | |
226 | (if (and (consp cus-value) (null (cdr cus-value))) | |
227 | (car cus-value) | |
228 | cus-value)))) | |
71296446 | 229 | |
da0b1f56 GM |
230 | "Alist of face attributes. |
231 | ||
51a1edab MB |
232 | The elements are of the form (KEY TYPE PRE-FILTER POST-FILTER), |
233 | where KEY is the name of the attribute, TYPE is a widget type for | |
234 | editing the attribute, PRE-FILTER is a function to make the attribute's | |
235 | value suitable for the customization widget, and POST-FILTER is a | |
236 | function to make the customized value suitable for storing. PRE-FILTER | |
237 | and POST-FILTER are optional. | |
d543e20b | 238 | |
51a1edab MB |
239 | The PRE-FILTER should take a single argument, the attribute value as |
240 | stored, and should return a value for customization (using the | |
241 | customization type TYPE). | |
d543e20b | 242 | |
51a1edab MB |
243 | The POST-FILTER should also take a single argument, the value after |
244 | being customized, and should return a value suitable for setting the | |
245 | given face attribute.") | |
d543e20b PA |
246 | |
247 | (defun custom-face-attributes-get (face frame) | |
6c283d44 RS |
248 | "For FACE on FRAME, return an alternating list describing its attributes. |
249 | The list has the form (KEYWORD VALUE KEYWORD VALUE...). | |
d543e20b PA |
250 | Each keyword should be listed in `custom-face-attributes'. |
251 | ||
6c283d44 | 252 | If FRAME is nil, use the global defaults for FACE." |
da0b1f56 GM |
253 | (let ((attrs custom-face-attributes) |
254 | plist) | |
255 | (while attrs | |
256 | (let* ((attribute (car (car attrs))) | |
257 | (value (face-attribute face attribute frame))) | |
258 | (setq attrs (cdr attrs)) | |
6bca3005 MB |
259 | (unless (or (eq value 'unspecified) |
260 | (and (null value) (memq attribute '(:inherit)))) | |
da0b1f56 GM |
261 | (setq plist (cons attribute (cons value plist)))))) |
262 | plist)) | |
d543e20b | 263 | |
d543e20b PA |
264 | ;;; Initializing. |
265 | ||
d543e20b PA |
266 | ;;;###autoload |
267 | (defun custom-set-faces (&rest args) | |
268 | "Initialize faces according to user preferences. | |
a3997907 RS |
269 | This associates the settings with the `user' theme. |
270 | The arguments should be a list where each entry has the form: | |
271 | ||
272 | (FACE SPEC [NOW [COMMENT]]) | |
273 | ||
274 | SPEC is stored as the saved value for FACE, as well as the value for the | |
275 | `user' theme. The `user' theme is one of the default themes known to Emacs. | |
276 | See `custom-known-themes' for more information on the known themes. | |
277 | See `custom-theme-set-faces' for more information on the interplay | |
278 | between themes and faces. | |
279 | See `defface' for the format of SPEC. | |
280 | ||
281 | If NOW is present and non-nil, FACE is created now, according to SPEC. | |
282 | COMMENT is a string comment about FACE." | |
283 | (apply 'custom-theme-set-faces 'user args)) | |
284 | ||
285 | (defun custom-theme-set-faces (theme &rest args) | |
286 | "Initialize faces for theme THEME. | |
d543e20b PA |
287 | The arguments should be a list where each entry has the form: |
288 | ||
1743c17a | 289 | (FACE SPEC [NOW [COMMENT]]) |
d543e20b | 290 | |
a3997907 RS |
291 | SPEC is stored as the saved value for FACE, as well as the value for the |
292 | `user' theme. The `user' theme is one of the default themes known to Emacs. | |
293 | See `custom-known-themes' for more information on the known themes. | |
294 | See `custom-theme-set-faces' for more information on the interplay | |
295 | between themes and faces. | |
296 | See `defface' for the format of SPEC. | |
297 | ||
6c283d44 | 298 | If NOW is present and non-nil, FACE is created now, according to SPEC. |
1743c17a | 299 | COMMENT is a string comment about FACE. |
d543e20b | 300 | |
a3997907 RS |
301 | Several properties of THEME and FACE are used in the process: |
302 | ||
303 | If THEME property `theme-immediate' is non-nil, this is equivalent of | |
304 | providing the NOW argument to all faces in the argument list: FACE is | |
305 | created now. The only difference is FACE property `force-face': if NOW | |
306 | is non-nil, FACE property `force-face' is set to the symbol `rogue', else | |
307 | if THEME property `theme-immediate' is non-nil, FACE property `force-face' | |
308 | is set to the symbol `immediate'. | |
309 | ||
310 | SPEC itself is saved in FACE property `saved-face' and it is stored in | |
311 | FACE's list property `theme-face' \(using `custom-push-theme')." | |
312 | (custom-check-theme theme) | |
313 | (let ((immediate (get theme 'theme-immediate))) | |
314 | (while args | |
315 | (let ((entry (car args))) | |
316 | (if (listp entry) | |
317 | (let ((face (nth 0 entry)) | |
318 | (spec (nth 1 entry)) | |
319 | (now (nth 2 entry)) | |
320 | (comment (nth 3 entry))) | |
321 | (put face 'saved-face spec) | |
322 | (put face 'saved-face-comment comment) | |
323 | (custom-push-theme 'theme-face face theme 'set spec) | |
324 | (when (or now immediate) | |
325 | (put face 'force-face (if now 'rogue 'immediate))) | |
326 | (when (or now immediate (facep face)) | |
327 | (unless (facep face) | |
328 | (make-empty-face face)) | |
329 | (put face 'face-comment comment) | |
330 | (face-spec-set face spec)) | |
d543e20b PA |
331 | (setq args (cdr args))) |
332 | ;; Old format, a plist of FACE SPEC pairs. | |
333 | (let ((face (nth 0 args)) | |
334 | (spec (nth 1 args))) | |
a3997907 RS |
335 | (put face 'saved-face spec) |
336 | (custom-push-theme 'theme-face face theme 'set spec)) | |
337 | (setq args (cdr (cdr args)))))))) | |
338 | ||
339 | ;;;###autoload | |
340 | (defun custom-theme-face-value (face theme) | |
341 | "Return spec of FACE in THEME if THEME modifies FACE. | |
342 | Value is nil otherwise. The association between theme and spec for FACE | |
343 | is stored in FACE's property `theme-face'. The appropriate face | |
344 | is retrieved using `custom-theme-value'." | |
345 | ;; Returns car because the value is stored inside a one element list | |
346 | (car-safe (custom-theme-value theme (get face 'theme-face)))) | |
347 | ||
348 | (defun custom-theme-reset-internal-face (face to-theme) | |
349 | "Reset FACE to the value defined by TO-THEME. | |
350 | If FACE is not defined in TO-THEME, reset FACE to the standard | |
351 | value. See `custom-theme-face-value'. The standard value is | |
352 | stored in SYMBOL's property `face-defface-spec' by `defface'." | |
353 | (let ((spec (custom-theme-face-value face to-theme)) | |
354 | was-in-theme) | |
355 | (setq was-in-theme spec) | |
356 | (setq spec (or spec (get face 'face-defface-spec))) | |
357 | (when spec | |
358 | (put face 'save-face was-in-theme) | |
359 | (when (or (get face 'force-face) (facep face)) | |
360 | (unless (facep face) | |
361 | (make-empty-face face)) | |
362 | (face-spec-set face spec))) | |
363 | spec)) | |
364 | ||
365 | ;;;###autoload | |
366 | (defun custom-theme-reset-faces (theme &rest args) | |
367 | "Reset the value of the face to values previously defined. | |
368 | Associate this setting with THEME. | |
369 | ||
370 | ARGS is a list of lists of the form | |
371 | ||
372 | (FACE TO-THEME) | |
373 | ||
374 | This means reset FACE to its value in TO-THEME." | |
375 | (custom-check-theme theme) | |
376 | (mapcar '(lambda (arg) | |
377 | (apply 'custom-theme-reset-internal-face arg) | |
378 | (custom-push-theme 'theme-face (car arg) theme 'reset (cadr arg))) | |
379 | args)) | |
380 | ||
381 | ;;;###autoload | |
382 | (defun custom-reset-faces (&rest args) | |
383 | "Reset the value of the face to values previously saved. | |
384 | This is the setting assosiated the `user' theme. | |
385 | ||
386 | ARGS is defined as for `custom-theme-reset-faces'" | |
387 | (apply 'custom-theme-reset-faces 'user args)) | |
d543e20b PA |
388 | |
389 | ;;; The End. | |
390 | ||
391 | (provide 'cus-face) | |
392 | ||
ab5796a9 | 393 | ;;; arch-tag: 9a5c4b63-0d27-4c92-a5af-f2c7ed764c2b |
1743c17a | 394 | ;;; cus-face.el ends here |