|
209
|
1 ;;; cus-face.el -- Support for Custom faces.
|
|
|
2 ;;
|
|
|
3 ;; Copyright (C) 1996, 1997 Free Software Foundation, Inc.
|
|
|
4 ;;
|
|
|
5 ;; Author: Per Abrahamsen <abraham@dina.kvl.dk>
|
|
412
|
6 ;; Maintainer: Hrvoje Niksic <hniksic@srce.hr>
|
|
209
|
7 ;; Keywords: help, faces
|
|
|
8 ;; Version: 1.9960-x
|
|
|
9 ;; X-URL: http://www.dina.kvl.dk/~abraham/custom/
|
|
|
10
|
|
|
11 ;;; Commentary:
|
|
|
12 ;;
|
|
|
13 ;; See `custom.el'.
|
|
|
14
|
|
|
15 ;; This file should probably be dissolved, and code moved to faces.el,
|
|
|
16 ;; like Stallman did.
|
|
|
17
|
|
|
18 ;;; Code:
|
|
|
19
|
|
|
20 (require 'custom)
|
|
|
21
|
|
|
22 ;; To elude the warnings for font functions.
|
|
|
23 (eval-when-compile
|
|
|
24 (require 'font))
|
|
|
25
|
|
|
26 ;;; Declaring a face.
|
|
|
27
|
|
|
28 ;;;###autoload
|
|
|
29 (defun custom-declare-face (face spec doc &rest args)
|
|
|
30 "Like `defface', but FACE is evaluated as a normal argument."
|
|
267
|
31 ;; (when (fboundp 'pureload)
|
|
209
|
32 ;; (error "Attempt to declare a face during dump"))
|
|
|
33 (unless (get face 'face-defface-spec)
|
|
|
34 (put face 'face-defface-spec spec)
|
|
|
35 (unless (find-face face)
|
|
|
36 ;; If the user has already created the face, respect that.
|
|
|
37 (let ((value (or (get face 'saved-face) spec))
|
|
|
38 (frames (relevant-custom-frames))
|
|
|
39 frame)
|
|
|
40 ;; Create global face.
|
|
|
41 (make-empty-face face)
|
|
412
|
42 (face-display-set face value)
|
|
209
|
43 ;; Create frame local faces
|
|
|
44 (while frames
|
|
|
45 (setq frame (car frames)
|
|
|
46 frames (cdr frames))
|
|
412
|
47 (face-display-set face value frame))
|
|
209
|
48 (init-face-from-resources face)))
|
|
|
49 (when (and doc (null (face-doc-string face)))
|
|
|
50 (set-face-doc-string face doc))
|
|
|
51 (custom-handle-all-keywords face args 'custom-face)
|
|
|
52 (run-hooks 'custom-define-hook))
|
|
|
53 face)
|
|
|
54
|
|
|
55 ;;; Font Attributes.
|
|
|
56
|
|
|
57 (defconst custom-face-attributes
|
|
290
|
58 '((:foreground (color :tag "Foreground"
|
|
209
|
59 :value ""
|
|
|
60 :help-echo "Set foreground color.")
|
|
|
61 set-face-foreground face-foreground-name)
|
|
|
62 (:background (color :tag "Background"
|
|
|
63 :value ""
|
|
|
64 :help-echo "Set background color.")
|
|
|
65 set-face-background face-background-name)
|
|
290
|
66 (:size (editable-field :format "Size: %v"
|
|
|
67 :help-echo "\
|
|
|
68 Text size (e.g. 9pt or 2mm).")
|
|
|
69 custom-set-face-font-size custom-face-font-size)
|
|
209
|
70 (:family (editable-field :format "Font Family: %v"
|
|
|
71 :help-echo "\
|
|
412
|
72 Name of font family to use (e.g. times).")
|
|
209
|
73 custom-set-face-font-family custom-face-font-family)
|
|
373
|
74 (:background-pixmap (editable-field :format "Background pixmap: %v"
|
|
|
75 :help-echo "\
|
|
|
76 Name of background pixmap file.")
|
|
|
77 set-face-background-pixmap custom-face-background-pixmap)
|
|
|
78 (:dim (toggle :format "%[Dim%]: %v\n"
|
|
|
79 :help-echo "Control whether the text should be dimmed.")
|
|
|
80 set-face-dim-p face-dim-p)
|
|
290
|
81 (:bold (toggle :format "%[Bold%]: %v\n"
|
|
|
82 :help-echo "Control whether a bold font should be used.")
|
|
|
83 custom-set-face-bold custom-face-bold)
|
|
|
84 (:italic (toggle :format "%[Italic%]: %v\n"
|
|
|
85 :help-echo "\
|
|
|
86 Control whether an italic font should be used.")
|
|
|
87 custom-set-face-italic custom-face-italic)
|
|
|
88 (:underline (toggle :format "%[Underline%]: %v\n"
|
|
|
89 :help-echo "\
|
|
|
90 Control whether the text should be underlined.")
|
|
|
91 set-face-underline-p face-underline-p)
|
|
209
|
92 (:strikethru (toggle :format "%[Strikethru%]: %v\n"
|
|
|
93 :help-echo "\
|
|
|
94 Control whether the text should be strikethru.")
|
|
290
|
95 set-face-strikethru-p face-strikethru-p)
|
|
|
96 (:inverse-video (toggle :format "%[Inverse Video%]: %v\n"
|
|
|
97 :help-echo "\
|
|
|
98 Control whether the text should be inverted. Works only on TTY-s")
|
|
|
99 set-face-reverse-p face-reverse-p))
|
|
209
|
100 "Alist of face attributes.
|
|
|
101
|
|
|
102 The elements are of the form (KEY TYPE SET GET) where KEY is a symbol
|
|
|
103 identifying the attribute, TYPE is a widget type for editing the
|
|
371
|
104 attibute, SET is a function for setting the attribute value, and GET is a function for getiing the attribute value.
|
|
209
|
105
|
|
|
106 The SET function should take three arguments, the face to modify, the
|
|
|
107 value of the attribute, and optionally the frame where the face should
|
|
|
108 be changed.
|
|
|
109
|
|
|
110 The GET function should take two arguments, the face to examine, and
|
|
371
|
111 optonally the frame where the face should be examined.")
|
|
209
|
112
|
|
412
|
113 (defun face-custom-attributes-set (face frame &rest atts)
|
|
209
|
114 "For FACE on FRAME set the attributes [KEYWORD VALUE]....
|
|
|
115 Each keyword should be listed in `custom-face-attributes'.
|
|
|
116
|
|
|
117 If FRAME is nil, set the default face."
|
|
|
118 (while atts
|
|
|
119 (let* ((name (nth 0 atts))
|
|
|
120 (value (nth 1 atts))
|
|
|
121 (fun (nth 2 (assq name custom-face-attributes))))
|
|
|
122 (setq atts (cdr (cdr atts)))
|
|
|
123 (condition-case nil
|
|
412
|
124 (funcall fun face value frame)
|
|
209
|
125 (error nil)))))
|
|
|
126
|
|
|
127 (defun face-custom-attributes-get (face frame)
|
|
|
128 "For FACE on FRAME get the attributes [KEYWORD VALUE]....
|
|
|
129 Each keyword should be listed in `custom-face-attributes'.
|
|
|
130
|
|
|
131 If FRAME is nil, use the default face."
|
|
|
132 (condition-case nil
|
|
|
133 ;; Attempt to get `font.el' from w3.
|
|
|
134 (require 'font)
|
|
|
135 (error nil))
|
|
|
136 (let ((atts custom-face-attributes)
|
|
|
137 att result get)
|
|
|
138 (while atts
|
|
|
139 (setq att (car atts)
|
|
|
140 atts (cdr atts)
|
|
|
141 get (nth 3 att))
|
|
|
142 (condition-case nil
|
|
235
|
143 ;; This may fail if w3 doesn't exist.
|
|
209
|
144 (when get
|
|
|
145 (let ((answer (funcall get face frame)))
|
|
|
146 (unless (equal answer (funcall get 'default frame))
|
|
|
147 (when (widget-apply (nth 1 att) :match answer)
|
|
|
148 (setq result (cons (nth 0 att) (cons answer result)))))))
|
|
|
149 (error nil)))
|
|
|
150 result))
|
|
|
151
|
|
373
|
152 (defsubst custom-face-get-spec (symbol)
|
|
|
153 (or (get symbol 'customized-face)
|
|
|
154 (get symbol 'saved-face)
|
|
|
155 (get symbol 'face-defface-spec)
|
|
|
156 ;; Attempt to construct it.
|
|
|
157 (list (list t (face-custom-attributes-get
|
|
|
158 symbol (selected-frame))))))
|
|
|
159
|
|
412
|
160 (defun custom-set-face-bold (face value &optional frame)
|
|
209
|
161 "Set the bold property of FACE to VALUE."
|
|
|
162 (if value
|
|
412
|
163 (make-face-bold face frame)
|
|
|
164 (make-face-unbold face frame)))
|
|
209
|
165
|
|
|
166 ;; Really, we should get rid of these font.el dependencies... They
|
|
|
167 ;; are still presenting a problem with dumping the faces (font.el is
|
|
|
168 ;; too bloated for us to dump). I am thinking about hacking up
|
|
|
169 ;; font-like functionality myself for the sake of this file. It will
|
|
|
170 ;; probably be to-the-point and more efficient.
|
|
|
171
|
|
|
172 (defun custom-face-bold (face &rest args)
|
|
|
173 "Return non-nil if the font of FACE is bold."
|
|
|
174 (let* ((font (apply 'face-font-name face args))
|
|
|
175 ;; Gag
|
|
|
176 (fontobj (font-create-object font)))
|
|
|
177 (font-bold-p fontobj)))
|
|
|
178
|
|
412
|
179 (defun custom-set-face-italic (face value &optional frame)
|
|
209
|
180 "Set the italic property of FACE to VALUE."
|
|
|
181 (if value
|
|
412
|
182 (make-face-italic face frame)
|
|
|
183 (make-face-unitalic face frame)))
|
|
209
|
184
|
|
|
185 (defun custom-face-italic (face &rest args)
|
|
|
186 "Return non-nil if the font of FACE is italic."
|
|
|
187 (let* ((font (apply 'face-font-name face args))
|
|
|
188 ;; Gag
|
|
|
189 (fontobj (font-create-object font)))
|
|
|
190 (font-italic-p fontobj)))
|
|
|
191
|
|
373
|
192 (defun custom-face-background-pixmap (face &rest args)
|
|
|
193 "Return the name of the background pixmap file used for FACE."
|
|
209
|
194 (let ((image (apply 'specifier-instance
|
|
|
195 (face-background-pixmap face) args)))
|
|
|
196 (and image
|
|
|
197 (image-instance-file-name image))))
|
|
|
198
|
|
412
|
199 (defun custom-set-face-font-size (face size &rest args)
|
|
209
|
200 "Set the font of FACE to SIZE"
|
|
412
|
201 (let* ((font (apply 'face-font-name face args))
|
|
209
|
202 ;; Gag
|
|
|
203 (fontobj (font-create-object font)))
|
|
|
204 (set-font-size fontobj size)
|
|
412
|
205 (apply 'font-set-face-font face fontobj args)))
|
|
209
|
206
|
|
|
207 (defun custom-face-font-size (face &rest args)
|
|
|
208 "Return the size of the font of FACE as a string."
|
|
|
209 (let* ((font (apply 'face-font-name face args))
|
|
|
210 ;; Gag
|
|
|
211 (fontobj (font-create-object font)))
|
|
|
212 (format "%s" (font-size fontobj))))
|
|
|
213
|
|
412
|
214 (defun custom-set-face-font-family (face family &rest args)
|
|
209
|
215 "Set the font of FACE to FAMILY."
|
|
412
|
216 (let* ((font (apply 'face-font-name face args))
|
|
209
|
217 ;; Gag
|
|
|
218 (fontobj (font-create-object font)))
|
|
|
219 (set-font-family fontobj family)
|
|
412
|
220 (apply 'font-set-face-font face fontobj args)))
|
|
209
|
221
|
|
|
222 (defun custom-face-font-family (face &rest args)
|
|
|
223 "Return the name of the font family of FACE."
|
|
|
224 (let* ((font (apply 'face-font-name face args))
|
|
|
225 ;; Gag
|
|
|
226 (fontobj (font-create-object font)))
|
|
|
227 (font-family fontobj)))
|
|
|
228
|
|
377
|
229 ;;;###autoload
|
|
373
|
230 (defun custom-set-face-update-spec (face display plist)
|
|
|
231 "Customize the FACE for display types matching DISPLAY, merging
|
|
|
232 in the new items from PLIST"
|
|
|
233 (let ((spec (face-spec-update-all-matching (custom-face-get-spec face)
|
|
|
234 display plist)))
|
|
|
235 (put face 'customized-face spec)
|
|
412
|
236 (face-spec-set face spec)))
|
|
373
|
237
|
|
209
|
238 ;;; Initializing.
|
|
|
239
|
|
|
240 ;;;###autoload
|
|
|
241 (defun custom-set-faces (&rest args)
|
|
|
242 "Initialize faces according to user preferences.
|
|
|
243 The arguments should be a list where each entry has the form:
|
|
|
244
|
|
412
|
245 (FACE SPEC [NOW])
|
|
209
|
246
|
|
|
247 SPEC will be stored as the saved value for FACE. If NOW is present
|
|
|
248 and non-nil, FACE will also be created according to SPEC.
|
|
|
249
|
|
|
250 See `defface' for the format of SPEC."
|
|
412
|
251 (while args
|
|
|
252 (let ((entry (car args)))
|
|
|
253 (if (listp entry)
|
|
|
254 (let ((face (nth 0 entry))
|
|
|
255 (spec (nth 1 entry))
|
|
|
256 (now (nth 2 entry)))
|
|
209
|
257 (put face 'saved-face spec)
|
|
412
|
258 (when now
|
|
|
259 (put face 'force-face t))
|
|
|
260 (when (or now (find-face face))
|
|
209
|
261 (unless (find-face face)
|
|
|
262 (make-empty-face face))
|
|
412
|
263 (face-spec-set face spec))
|
|
|
264 (setq args (cdr args)))
|
|
|
265 ;; Old format, a plist of FACE SPEC pairs.
|
|
|
266 (let ((face (nth 0 args))
|
|
|
267 (spec (nth 1 args)))
|
|
|
268 (put face 'saved-face spec))
|
|
|
269 (setq args (cdr (cdr args)))))))
|
|
209
|
270
|
|
|
271 ;;; The End.
|
|
|
272
|
|
|
273 (provide 'cus-face)
|
|
|
274
|
|
|
275 ;; cus-face.el ends here
|
