Commit | Line | Data |
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e8af40ee | 1 | ;;; cus-face.el --- customization support for faces |
d543e20b | 2 | ;; |
0d30b337 | 3 | ;; Copyright (C) 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004, |
409cc4a3 | 4 | ;; 2005, 2006, 2007, 2008 Free Software Foundation, Inc. |
d543e20b PA |
5 | ;; |
6 | ;; Author: Per Abrahamsen <abraham@dina.kvl.dk> | |
7 | ;; Keywords: help, faces | |
d543e20b | 8 | |
6c283d44 | 9 | ;; This file is part of GNU Emacs. |
d543e20b | 10 | |
6c283d44 RS |
11 | ;; GNU Emacs is free software; you can redistribute it and/or modify |
12 | ;; it under the terms of the GNU General Public License as published by | |
b4aa6026 | 13 | ;; the Free Software Foundation; either version 3, or (at your option) |
6c283d44 | 14 | ;; any later version. |
d543e20b | 15 | |
6c283d44 RS |
16 | ;; GNU Emacs is distributed in the hope that it will be useful, |
17 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
18 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
19 | ;; GNU General Public License for more details. | |
d543e20b | 20 | |
6c283d44 RS |
21 | ;; You should have received a copy of the GNU General Public License |
22 | ;; along with GNU Emacs; see the file COPYING. If not, write to the | |
086add15 LK |
23 | ;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
24 | ;; Boston, MA 02110-1301, USA. | |
d543e20b | 25 | |
6c283d44 RS |
26 | ;;; Commentary: |
27 | ;; | |
28 | ;; See `custom.el'. | |
d543e20b | 29 | |
6c283d44 | 30 | ;;; Code: |
d543e20b | 31 | |
da0b1f56 | 32 | (defalias 'custom-facep 'facep) |
ccd0d40c | 33 | |
d543e20b PA |
34 | ;;; Declaring a face. |
35 | ||
d543e20b PA |
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 PA |
41 | ;; If the user has already created the face, respect that. |
42 | (let ((value (or (get face 'saved-face) spec)) | |
987a3489 | 43 | (have-window-system (memq initial-window-system '(x w32)))) |
d543e20b PA |
44 | ;; Create global face. |
45 | (make-empty-face face) | |
b5188bcd | 46 | ;; Create frame-local faces |
f4db5253 | 47 | (dolist (frame (frame-list)) |
af4bbb69 | 48 | (face-spec-set-2 face frame value) |
6dc59f76 | 49 | (when (memq (window-system frame) '(x w32 mac)) |
2246281f KL |
50 | (setq have-window-system t))) |
51 | ;; When making a face after frames already exist | |
52 | (if have-window-system | |
53 | (make-face-x-resource-internal face))))) | |
b5188bcd RS |
54 | ;; Don't record SPEC until we see it causes no errors. |
55 | (put face 'face-defface-spec spec) | |
4829145a | 56 | (push (cons 'defface face) current-load-list) |
209ddde3 | 57 | (when (and doc (null (face-documentation face))) |
08449ec1 | 58 | (set-face-documentation face (purecopy doc))) |
d543e20b PA |
59 | (custom-handle-all-keywords face args 'custom-face) |
60 | (run-hooks 'custom-define-hook)) | |
61 | face) | |
62 | ||
da0b1f56 GM |
63 | ;;; Face attributes. |
64 | ||
d543e20b | 65 | (defconst custom-face-attributes |
da0b1f56 | 66 | '((:family |
c165ad40 MB |
67 | (string :tag "Font Family" |
68 | :help-echo "Font family or fontset alias name.")) | |
a3997907 | 69 | |
da0b1f56 GM |
70 | (:width |
71 | (choice :tag "Width" | |
72 | :help-echo "Font width." | |
c165ad40 | 73 | :value normal ; default |
da0b1f56 GM |
74 | (const :tag "compressed" condensed) |
75 | (const :tag "condensed" condensed) | |
76 | (const :tag "demiexpanded" semi-expanded) | |
77 | (const :tag "expanded" expanded) | |
78 | (const :tag "extracondensed" extra-condensed) | |
79 | (const :tag "extraexpanded" extra-expanded) | |
80 | (const :tag "medium" normal) | |
81 | (const :tag "narrow" condensed) | |
82 | (const :tag "normal" normal) | |
83 | (const :tag "regular" normal) | |
84 | (const :tag "semicondensed" semi-condensed) | |
85 | (const :tag "semiexpanded" semi-expanded) | |
86 | (const :tag "ultracondensed" ultra-condensed) | |
87 | (const :tag "ultraexpanded" ultra-expanded) | |
51a1edab | 88 | (const :tag "wide" extra-expanded))) |
71296446 | 89 | |
da0b1f56 GM |
90 | (:height |
91 | (choice :tag "Height" | |
92 | :help-echo "Face's font height." | |
c165ad40 | 93 | :value 1.0 ; default |
6bca3005 | 94 | (integer :tag "Height in 1/10 pt") |
51a1edab | 95 | (number :tag "Scale" 1.0))) |
6bca3005 | 96 | |
da0b1f56 GM |
97 | (:weight |
98 | (choice :tag "Weight" | |
99 | :help-echo "Font weight." | |
c165ad40 | 100 | :value normal ; default |
992f7c96 | 101 | (const :tag "black" ultra-bold) |
da0b1f56 GM |
102 | (const :tag "bold" bold) |
103 | (const :tag "book" semi-light) | |
104 | (const :tag "demibold" semi-bold) | |
105 | (const :tag "extralight" extra-light) | |
106 | (const :tag "extrabold" extra-bold) | |
107 | (const :tag "heavy" extra-bold) | |
108 | (const :tag "light" light) | |
109 | (const :tag "medium" normal) | |
110 | (const :tag "normal" normal) | |
111 | (const :tag "regular" normal) | |
112 | (const :tag "semibold" semi-bold) | |
113 | (const :tag "semilight" semi-light) | |
114 | (const :tag "ultralight" ultra-light) | |
51a1edab | 115 | (const :tag "ultrabold" ultra-bold))) |
71296446 | 116 | |
da0b1f56 GM |
117 | (:slant |
118 | (choice :tag "Slant" | |
119 | :help-echo "Font slant." | |
c165ad40 | 120 | :value normal ; default |
da0b1f56 GM |
121 | (const :tag "italic" italic) |
122 | (const :tag "oblique" oblique) | |
43240958 CY |
123 | (const :tag "normal" normal) |
124 | (const :tag "roman" roman))) | |
71296446 | 125 | |
da0b1f56 GM |
126 | (:underline |
127 | (choice :tag "Underline" | |
128 | :help-echo "Control text underlining." | |
c165ad40 | 129 | (const :tag "Off" nil) |
da0b1f56 | 130 | (const :tag "On" t) |
51a1edab | 131 | (color :tag "Colored"))) |
71296446 | 132 | |
da0b1f56 GM |
133 | (:overline |
134 | (choice :tag "Overline" | |
135 | :help-echo "Control text overlining." | |
c165ad40 | 136 | (const :tag "Off" nil) |
da0b1f56 | 137 | (const :tag "On" t) |
51a1edab | 138 | (color :tag "Colored"))) |
71296446 | 139 | |
da0b1f56 GM |
140 | (:strike-through |
141 | (choice :tag "Strike-through" | |
142 | :help-echo "Control text strike-through." | |
c165ad40 | 143 | (const :tag "Off" nil) |
da0b1f56 | 144 | (const :tag "On" t) |
51a1edab | 145 | (color :tag "Colored"))) |
71296446 | 146 | |
da0b1f56 | 147 | (:box |
1743c17a | 148 | ;; Fixme: this can probably be done better. |
da0b1f56 GM |
149 | (choice :tag "Box around text" |
150 | :help-echo "Control box around text." | |
c165ad40 | 151 | (const :tag "Off" nil) |
da0b1f56 | 152 | (list :tag "Box" |
36b80a0d | 153 | :value (:line-width 2 :color "grey75" :style released-button) |
1743c17a | 154 | (const :format "" :value :line-width) |
da0b1f56 | 155 | (integer :tag "Width") |
1743c17a DL |
156 | (const :format "" :value :color) |
157 | (choice :tag "Color" (const :tag "*" nil) color) | |
158 | (const :format "" :value :style) | |
159 | (choice :tag "Style" | |
160 | (const :tag "Raised" released-button) | |
161 | (const :tag "Sunken" pressed-button) | |
162 | (const :tag "None" nil)))) | |
51a1edab MB |
163 | ;; filter to make value suitable for customize |
164 | (lambda (real-value) | |
c165ad40 MB |
165 | (and real-value |
166 | (let ((lwidth | |
167 | (or (and (consp real-value) | |
168 | (plist-get real-value :line-width)) | |
169 | (and (integerp real-value) real-value) | |
170 | 1)) | |
171 | (color | |
172 | (or (and (consp real-value) (plist-get real-value :color)) | |
173 | (and (stringp real-value) real-value) | |
174 | nil)) | |
175 | (style | |
176 | (and (consp real-value) (plist-get real-value :style)))) | |
177 | (list :line-width lwidth :color color :style style)))) | |
36b80a0d MB |
178 | ;; filter to make customized-value suitable for storing |
179 | (lambda (cus-value) | |
c165ad40 MB |
180 | (and cus-value |
181 | (let ((lwidth (plist-get cus-value :line-width)) | |
182 | (color (plist-get cus-value :color)) | |
183 | (style (plist-get cus-value :style))) | |
184 | (cond ((and (null color) (null style)) | |
185 | lwidth) | |
186 | ((and (null lwidth) (null style)) | |
187 | ;; actually can't happen, because LWIDTH is always an int | |
188 | color) | |
189 | (t | |
190 | ;; Keep as a plist, but remove null entries | |
191 | (nconc (and lwidth `(:line-width ,lwidth)) | |
192 | (and color `(:color ,color)) | |
193 | (and style `(:style ,style))))))))) | |
71296446 | 194 | |
da0b1f56 GM |
195 | (:inverse-video |
196 | (choice :tag "Inverse-video" | |
197 | :help-echo "Control whether text should be in inverse-video." | |
c165ad40 MB |
198 | (const :tag "Off" nil) |
199 | (const :tag "On" t))) | |
71296446 | 200 | |
da0b1f56 | 201 | (:foreground |
c165ad40 | 202 | (color :tag "Foreground" |
4bbe6176 | 203 | :help-echo "Set foreground color (name or #RRGGBB hex spec).")) |
71296446 | 204 | |
da0b1f56 | 205 | (:background |
c165ad40 | 206 | (color :tag "Background" |
4bbe6176 | 207 | :help-echo "Set background color (name or #RRGGBB hex spec).")) |
71296446 | 208 | |
da0b1f56 GM |
209 | (:stipple |
210 | (choice :tag "Stipple" | |
675f1fcb | 211 | :help-echo "Background bit-mask" |
c165ad40 | 212 | (const :tag "None" nil) |
675f1fcb MB |
213 | (file :tag "File" |
214 | :help-echo "Name of bitmap file." | |
215 | :must-match t))) | |
6bca3005 MB |
216 | |
217 | (:inherit | |
218 | (repeat :tag "Inherit" | |
219 | :help-echo "List of faces to inherit attributes from." | |
220 | (face :Tag "Face" default)) | |
51a1edab MB |
221 | ;; filter to make value suitable for customize |
222 | (lambda (real-value) | |
223 | (cond ((or (null real-value) (eq real-value 'unspecified)) | |
224 | nil) | |
225 | ((symbolp real-value) | |
226 | (list real-value)) | |
227 | (t | |
228 | real-value))) | |
229 | ;; filter to make customized-value suitable for storing | |
230 | (lambda (cus-value) | |
231 | (if (and (consp cus-value) (null (cdr cus-value))) | |
232 | (car cus-value) | |
233 | cus-value)))) | |
71296446 | 234 | |
da0b1f56 GM |
235 | "Alist of face attributes. |
236 | ||
51a1edab MB |
237 | The elements are of the form (KEY TYPE PRE-FILTER POST-FILTER), |
238 | where KEY is the name of the attribute, TYPE is a widget type for | |
239 | editing the attribute, PRE-FILTER is a function to make the attribute's | |
240 | value suitable for the customization widget, and POST-FILTER is a | |
241 | function to make the customized value suitable for storing. PRE-FILTER | |
242 | and POST-FILTER are optional. | |
d543e20b | 243 | |
51a1edab MB |
244 | The PRE-FILTER should take a single argument, the attribute value as |
245 | stored, and should return a value for customization (using the | |
246 | customization type TYPE). | |
d543e20b | 247 | |
51a1edab MB |
248 | The POST-FILTER should also take a single argument, the value after |
249 | being customized, and should return a value suitable for setting the | |
250 | given face attribute.") | |
d543e20b PA |
251 | |
252 | (defun custom-face-attributes-get (face frame) | |
6c283d44 RS |
253 | "For FACE on FRAME, return an alternating list describing its attributes. |
254 | The list has the form (KEYWORD VALUE KEYWORD VALUE...). | |
d543e20b PA |
255 | Each keyword should be listed in `custom-face-attributes'. |
256 | ||
6c283d44 | 257 | If FRAME is nil, use the global defaults for FACE." |
da0b1f56 GM |
258 | (let ((attrs custom-face-attributes) |
259 | plist) | |
260 | (while attrs | |
261 | (let* ((attribute (car (car attrs))) | |
262 | (value (face-attribute face attribute frame))) | |
263 | (setq attrs (cdr attrs)) | |
6bca3005 MB |
264 | (unless (or (eq value 'unspecified) |
265 | (and (null value) (memq attribute '(:inherit)))) | |
da0b1f56 GM |
266 | (setq plist (cons attribute (cons value plist)))))) |
267 | plist)) | |
d543e20b | 268 | |
d543e20b PA |
269 | ;;; Initializing. |
270 | ||
d543e20b PA |
271 | (defun custom-set-faces (&rest args) |
272 | "Initialize faces according to user preferences. | |
a3997907 RS |
273 | This associates the settings with the `user' theme. |
274 | The arguments should be a list where each entry has the form: | |
275 | ||
276 | (FACE SPEC [NOW [COMMENT]]) | |
277 | ||
278 | SPEC is stored as the saved value for FACE, as well as the value for the | |
279 | `user' theme. The `user' theme is one of the default themes known to Emacs. | |
280 | See `custom-known-themes' for more information on the known themes. | |
281 | See `custom-theme-set-faces' for more information on the interplay | |
282 | between themes and faces. | |
283 | See `defface' for the format of SPEC. | |
284 | ||
285 | If NOW is present and non-nil, FACE is created now, according to SPEC. | |
286 | COMMENT is a string comment about FACE." | |
287 | (apply 'custom-theme-set-faces 'user args)) | |
288 | ||
289 | (defun custom-theme-set-faces (theme &rest args) | |
290 | "Initialize faces for theme THEME. | |
d543e20b PA |
291 | The arguments should be a list where each entry has the form: |
292 | ||
1743c17a | 293 | (FACE SPEC [NOW [COMMENT]]) |
d543e20b | 294 | |
a3997907 RS |
295 | SPEC is stored as the saved value for FACE, as well as the value for the |
296 | `user' theme. The `user' theme is one of the default themes known to Emacs. | |
297 | See `custom-known-themes' for more information on the known themes. | |
298 | See `custom-theme-set-faces' for more information on the interplay | |
299 | between themes and faces. | |
300 | See `defface' for the format of SPEC. | |
301 | ||
6c283d44 | 302 | If NOW is present and non-nil, FACE is created now, according to SPEC. |
1743c17a | 303 | COMMENT is a string comment about FACE. |
d543e20b | 304 | |
a3997907 RS |
305 | Several properties of THEME and FACE are used in the process: |
306 | ||
307 | If THEME property `theme-immediate' is non-nil, this is equivalent of | |
308 | providing the NOW argument to all faces in the argument list: FACE is | |
309 | created now. The only difference is FACE property `force-face': if NOW | |
310 | is non-nil, FACE property `force-face' is set to the symbol `rogue', else | |
311 | if THEME property `theme-immediate' is non-nil, FACE property `force-face' | |
312 | is set to the symbol `immediate'. | |
313 | ||
314 | SPEC itself is saved in FACE property `saved-face' and it is stored in | |
315 | FACE's list property `theme-face' \(using `custom-push-theme')." | |
316 | (custom-check-theme theme) | |
317 | (let ((immediate (get theme 'theme-immediate))) | |
318 | (while args | |
319 | (let ((entry (car args))) | |
320 | (if (listp entry) | |
321 | (let ((face (nth 0 entry)) | |
322 | (spec (nth 1 entry)) | |
323 | (now (nth 2 entry)) | |
e335f09e CY |
324 | (comment (nth 3 entry)) |
325 | oldspec) | |
403546cb LT |
326 | ;; If FACE is actually an alias, customize the face it |
327 | ;; is aliased to. | |
328 | (if (get face 'face-alias) | |
329 | (setq face (get face 'face-alias))) | |
e335f09e CY |
330 | |
331 | (setq oldspec (get face 'theme-face)) | |
332 | (when (not (and oldspec (eq 'user (caar oldspec)))) | |
333 | (put face 'saved-face spec) | |
334 | (put face 'saved-face-comment comment)) | |
335 | ||
a3997907 RS |
336 | (custom-push-theme 'theme-face face theme 'set spec) |
337 | (when (or now immediate) | |
338 | (put face 'force-face (if now 'rogue 'immediate))) | |
339 | (when (or now immediate (facep face)) | |
340 | (unless (facep face) | |
341 | (make-empty-face face)) | |
342 | (put face 'face-comment comment) | |
af4bbb69 RS |
343 | (put face 'face-override-spec nil) |
344 | (face-spec-set face spec t)) | |
578b4e9d RS |
345 | (setq args (cdr args))) |
346 | ;; Old format, a plist of FACE SPEC pairs. | |
347 | (let ((face (nth 0 args)) | |
348 | (spec (nth 1 args))) | |
349 | (if (get face 'face-alias) | |
350 | (setq face (get face 'face-alias))) | |
351 | (put face 'saved-face spec) | |
352 | (custom-push-theme 'theme-face face theme 'set spec)) | |
353 | (setq args (cdr (cdr args)))))))) | |
a3997907 | 354 | |
d358aa10 CY |
355 | ;; XEmacs compability function. In XEmacs, when you reset a Custom |
356 | ;; Theme, you have to specify the theme to reset it to. We just apply | |
357 | ;; the next theme. | |
a3997907 | 358 | (defun custom-theme-reset-faces (theme &rest args) |
2c9e973f RS |
359 | "Reset the specs in THEME of some faces to their specs in other themes. |
360 | Each of the arguments ARGS has this form: | |
a3997907 | 361 | |
d358aa10 | 362 | (FACE IGNORED) |
a3997907 | 363 | |
d358aa10 | 364 | This means reset FACE. The argument IGNORED is ignored." |
a3997907 | 365 | (custom-check-theme theme) |
2c9e973f | 366 | (dolist (arg args) |
d358aa10 | 367 | (custom-push-theme 'theme-face (car arg) theme 'reset))) |
a3997907 | 368 | |
a3997907 | 369 | (defun custom-reset-faces (&rest args) |
2c9e973f RS |
370 | "Reset the specs of some faces to their specs in specified themes. |
371 | This creates settings in the `user' theme. | |
372 | ||
373 | Each of the arguments ARGS has this form: | |
374 | ||
375 | (FACE FROM-THEME) | |
a3997907 | 376 | |
2c9e973f | 377 | This means reset FACE to its value in FROM-THEME." |
a3997907 | 378 | (apply 'custom-theme-reset-faces 'user args)) |
d543e20b PA |
379 | |
380 | ;;; The End. | |
381 | ||
382 | (provide 'cus-face) | |
383 | ||
cbee283d | 384 | ;; arch-tag: 9a5c4b63-0d27-4c92-a5af-f2c7ed764c2b |
1743c17a | 385 | ;;; cus-face.el ends here |