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3656dac0 RS |
1 | ;;; cus-theme.el -- custom theme creation user interface |
2 | ;; | |
aaef169d | 3 | ;; Copyright (C) 2001, 2002, 2003, 2004, 2005, |
114f9c96 | 4 | ;; 2006, 2007, 2008, 2009, 2010 Free Software Foundation, Inc. |
3656dac0 RS |
5 | ;; |
6 | ;; Author: Alex Schroeder <alex@gnu.org> | |
7 | ;; Maintainer: FSF | |
8 | ;; Keywords: help, faces | |
bd78fa1d | 9 | ;; Package: emacs |
3656dac0 RS |
10 | |
11 | ;; This file is part of GNU Emacs. | |
12 | ||
eb3fa2cf | 13 | ;; GNU Emacs is free software: you can redistribute it and/or modify |
3656dac0 | 14 | ;; it under the terms of the GNU General Public License as published by |
eb3fa2cf GM |
15 | ;; the Free Software Foundation, either version 3 of the License, or |
16 | ;; (at your option) any later version. | |
3656dac0 RS |
17 | |
18 | ;; GNU Emacs is distributed in the hope that it will be useful, | |
19 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of | |
20 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
21 | ;; GNU General Public License for more details. | |
22 | ||
23 | ;; You should have received a copy of the GNU General Public License | |
eb3fa2cf | 24 | ;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. |
3656dac0 RS |
25 | |
26 | ;;; Code: | |
27 | ||
28 | (require 'widget) | |
29 | (require 'cus-edit) | |
30 | ||
31 | (eval-when-compile | |
32 | (require 'wid-edit)) | |
33 | ||
bdeaa675 | 34 | (defvar custom-new-theme-mode-map |
bdeaa675 CY |
35 | (let ((map (make-keymap))) |
36 | (set-keymap-parent map widget-keymap) | |
37 | (suppress-keymap map) | |
6b09b5d1 | 38 | (define-key map "\C-x\C-s" 'custom-theme-write) |
bdeaa675 CY |
39 | (define-key map "n" 'widget-forward) |
40 | (define-key map "p" 'widget-backward) | |
bdeaa675 CY |
41 | map) |
42 | "Keymap for `custom-new-theme-mode'.") | |
43 | ||
6b09b5d1 CY |
44 | (define-derived-mode custom-new-theme-mode nil "Cus-Theme" |
45 | "Major mode for editing Custom themes. | |
46 | Do not call this mode function yourself. It is meant for internal use." | |
bdeaa675 | 47 | (use-local-map custom-new-theme-mode-map) |
6b09b5d1 CY |
48 | (custom--initialize-widget-variables) |
49 | (set (make-local-variable 'revert-buffer-function) 'custom-theme-revert)) | |
077ad61c LT |
50 | (put 'custom-new-theme-mode 'mode-class 'special) |
51 | ||
d0f1e2f8 CY |
52 | (defvar custom-theme-name nil) |
53 | (defvar custom-theme-variables nil) | |
54 | (defvar custom-theme-faces nil) | |
76c16af8 CY |
55 | (defvar custom-theme-description nil) |
56 | (defvar custom-theme-insert-variable-marker nil) | |
57 | (defvar custom-theme-insert-face-marker nil) | |
58 | ||
2919746c | 59 | (defvar custom-theme--listed-faces '(default cursor fixed-pitch |
76c16af8 CY |
60 | variable-pitch escape-glyph minibuffer-prompt highlight region |
61 | shadow secondary-selection trailing-whitespace | |
62 | font-lock-builtin-face font-lock-comment-delimiter-face | |
63 | font-lock-comment-face font-lock-constant-face | |
64 | font-lock-doc-face font-lock-function-name-face | |
65 | font-lock-keyword-face font-lock-negation-char-face | |
66 | font-lock-preprocessor-face font-lock-regexp-grouping-backslash | |
67 | font-lock-regexp-grouping-construct font-lock-string-face | |
68 | font-lock-type-face font-lock-variable-name-face | |
69 | font-lock-warning-face button link link-visited fringe | |
70 | header-line tooltip mode-line mode-line-buffer-id | |
71 | mode-line-emphasis mode-line-highlight mode-line-inactive | |
72 | isearch isearch-fail lazy-highlight match next-error | |
73 | query-replace) | |
74 | "Faces listed by default in the *Custom Theme* buffer.") | |
077ad61c | 75 | |
6b09b5d1 CY |
76 | (defvar custom-theme--save-name) |
77 | ||
87e391a9 | 78 | ;;;###autoload |
6b09b5d1 CY |
79 | (defun customize-create-theme (&optional theme buffer) |
80 | "Create or edit a custom theme. | |
81 | THEME, if non-nil, should be an existing theme to edit. | |
da16abfc CY |
82 | BUFFER, if non-nil, should be a buffer to use; the default is |
83 | named *Custom Theme*." | |
3656dac0 | 84 | (interactive) |
6b09b5d1 | 85 | (switch-to-buffer (get-buffer-create (or buffer "*Custom Theme*"))) |
077ad61c | 86 | (let ((inhibit-read-only t)) |
da16abfc CY |
87 | (erase-buffer) |
88 | (dolist (ov (overlays-in (point-min) (point-max))) | |
89 | (delete-overlay ov))) | |
077ad61c | 90 | (custom-new-theme-mode) |
3656dac0 | 91 | (make-local-variable 'custom-theme-name) |
6b09b5d1 | 92 | (set (make-local-variable 'custom-theme--save-name) theme) |
76c16af8 CY |
93 | (set (make-local-variable 'custom-theme-faces) nil) |
94 | (set (make-local-variable 'custom-theme-variables) nil) | |
95 | (set (make-local-variable 'custom-theme-description) "") | |
d0f1e2f8 | 96 | (make-local-variable 'custom-theme-insert-face-marker) |
76c16af8 CY |
97 | (make-local-variable 'custom-theme-insert-variable-marker) |
98 | (make-local-variable 'custom-theme--listed-faces) | |
077ad61c | 99 | |
d0f1e2f8 | 100 | (widget-create 'push-button |
76c16af8 | 101 | :tag " Visit Theme " |
d0f1e2f8 CY |
102 | :help-echo "Insert the settings of a pre-defined theme." |
103 | :action (lambda (widget &optional event) | |
104 | (call-interactively 'custom-theme-visit-theme))) | |
105 | (widget-insert " ") | |
106 | (widget-create 'push-button | |
76c16af8 | 107 | :tag " Merge Theme " |
d0f1e2f8 CY |
108 | :help-echo "Merge in the settings of a pre-defined theme." |
109 | :action (lambda (widget &optional event) | |
110 | (call-interactively 'custom-theme-merge-theme))) | |
111 | (widget-insert " ") | |
76c16af8 | 112 | (widget-create 'push-button :notify 'revert-buffer " Revert ") |
077ad61c | 113 | |
76c16af8 | 114 | (widget-insert "\n\nTheme name : ") |
3656dac0 | 115 | (setq custom-theme-name |
6b09b5d1 CY |
116 | (widget-create 'editable-field |
117 | :value (if theme (symbol-name theme) ""))) | |
76c16af8 | 118 | (widget-insert "Description: ") |
3656dac0 | 119 | (setq custom-theme-description |
71296446 | 120 | (widget-create 'text |
3656dac0 | 121 | :value (format-time-string "Created %Y-%m-%d."))) |
76c16af8 | 122 | (widget-insert " ") |
3656dac0 | 123 | (widget-create 'push-button |
76c16af8 CY |
124 | :notify (function custom-theme-write) |
125 | " Save Theme ") | |
da16abfc CY |
126 | |
127 | (let (vars values faces face-specs) | |
128 | ||
129 | ;; Load the theme settings. | |
130 | (when theme | |
131 | (load-theme theme t) | |
132 | (dolist (setting (get theme 'theme-settings)) | |
133 | (if (eq (car setting) 'theme-value) | |
134 | (progn (push (nth 1 setting) vars) | |
135 | (push (nth 3 setting) values)) | |
136 | (push (nth 1 setting) faces) | |
137 | (push (nth 3 setting) face-specs)))) | |
138 | ||
139 | ;; If THEME is non-nil, insert all of that theme's faces. | |
140 | ;; Otherwise, insert those in `custom-theme--listed-faces'. | |
141 | (widget-insert "\n\n Theme faces:\n ") | |
142 | (if theme | |
143 | (while faces | |
144 | (custom-theme-add-face-1 (pop faces) (pop face-specs))) | |
145 | (dolist (face custom-theme--listed-faces) | |
146 | (custom-theme-add-face-1 face nil))) | |
147 | (setq custom-theme-insert-face-marker (point-marker)) | |
148 | (widget-insert " ") | |
149 | (widget-create 'push-button | |
150 | :tag "Insert Additional Face" | |
151 | :help-echo "Add another face to this theme." | |
152 | :follow-link 'mouse-face | |
153 | :button-face 'custom-link | |
154 | :mouse-face 'highlight | |
155 | :pressed-face 'highlight | |
156 | :action (lambda (widget &optional event) | |
157 | (call-interactively 'custom-theme-add-face))) | |
158 | ||
159 | ;; If THEME is non-nil, insert all of that theme's variables. | |
160 | (widget-insert "\n\n Theme variables:\n ") | |
161 | (if theme | |
162 | (while vars | |
163 | (custom-theme-add-var-1 (pop vars) (pop values)))) | |
164 | (setq custom-theme-insert-variable-marker (point-marker)) | |
165 | (widget-insert " ") | |
166 | (widget-create 'push-button | |
167 | :tag "Insert Variable" | |
168 | :help-echo "Add another variable to this theme." | |
169 | :follow-link 'mouse-face | |
170 | :button-face 'custom-link | |
171 | :mouse-face 'highlight | |
172 | :pressed-face 'highlight | |
173 | :action (lambda (widget &optional event) | |
174 | (call-interactively 'custom-theme-add-variable))) | |
175 | (widget-insert ?\n) | |
176 | (widget-setup) | |
177 | (goto-char (point-min)) | |
178 | (message ""))) | |
d0f1e2f8 | 179 | |
76c16af8 CY |
180 | (defun custom-theme-revert (ignore-auto noconfirm) |
181 | (when (or noconfirm (y-or-n-p "Discard current changes? ")) | |
6b09b5d1 | 182 | (customize-create-theme custom-theme--save-name (current-buffer)))) |
76c16af8 | 183 | |
d0f1e2f8 CY |
184 | ;;; Theme variables |
185 | ||
da16abfc CY |
186 | (defun custom-theme-add-variable (var value) |
187 | "Add a widget for VAR (a symbol) to the *New Custom Theme* buffer. | |
188 | VALUE should be a value to which to set the widget; when called | |
189 | interactively, this defaults to the current value of VAR." | |
190 | (interactive | |
191 | (let ((v (read-variable "Variable name: "))) | |
192 | (list v (symbol-value v)))) | |
193 | (let ((var-and-widget (assq var custom-theme-faces))) | |
194 | (cond ((null var-and-widget) | |
195 | ;; If VAR is not yet in the buffer, add it. | |
196 | (save-excursion | |
197 | (goto-char custom-theme-insert-variable-marker) | |
198 | (custom-theme-add-var-1 var value) | |
199 | (move-marker custom-theme-insert-variable-marker (point)) | |
200 | (widget-setup))) | |
201 | ;; Otherwise, alter that var widget. | |
202 | (t | |
203 | (let ((widget (cdr var-and-widget))) | |
204 | (widget-put widget :shown-value (list value)) | |
205 | (custom-redraw widget)))))) | |
206 | ||
207 | (defun custom-theme-add-var-1 (symbol val) | |
208 | (widget-insert " ") | |
209 | (push (cons symbol | |
210 | (widget-create 'custom-variable | |
211 | :tag (custom-unlispify-tag-name symbol) | |
212 | :value symbol | |
213 | :shown-value (list val) | |
214 | :notify 'ignore | |
215 | :custom-level 0 | |
216 | :custom-state 'hidden | |
217 | :inhibit-magic t)) | |
218 | custom-theme-variables) | |
219 | (widget-insert " ")) | |
d0f1e2f8 CY |
220 | |
221 | ;;; Theme faces | |
222 | ||
da16abfc CY |
223 | (defun custom-theme-add-face (face &optional spec) |
224 | "Add a widget for FACE (a symbol) to the *New Custom Theme* buffer. | |
225 | SPEC, if non-nil, should be a face spec to which to set the widget." | |
226 | (interactive (list (read-face-name "Face name" nil nil) nil)) | |
227 | (unless (or (facep face) spec) | |
228 | (error "`%s' has no face definition" face)) | |
229 | (let ((face-and-widget (assq face custom-theme-faces))) | |
230 | (cond ((null face-and-widget) | |
231 | ;; If FACE is not yet in the buffer, add it. | |
232 | (save-excursion | |
233 | (goto-char custom-theme-insert-face-marker) | |
234 | (custom-theme-add-face-1 face spec) | |
76c16af8 | 235 | (move-marker custom-theme-insert-face-marker (point)) |
da16abfc CY |
236 | (widget-setup))) |
237 | ;; Otherwise, if SPEC is supplied, alter that face widget. | |
238 | (spec | |
239 | (let ((widget (cdr face-and-widget))) | |
240 | (widget-put widget :shown-value spec) | |
241 | (custom-redraw widget))) | |
242 | ((called-interactively-p 'interactive) | |
243 | (error "`%s' is already present" face))))) | |
244 | ||
245 | (defun custom-theme-add-face-1 (symbol spec) | |
246 | (widget-insert " ") | |
247 | (push (cons symbol | |
248 | (widget-create 'custom-face | |
249 | :tag (custom-unlispify-tag-name symbol) | |
250 | :documentation-shown t | |
251 | :value symbol | |
252 | :custom-state 'hidden | |
253 | :display-style 'concise | |
254 | :shown-value spec | |
255 | :inhibit-magic t | |
256 | :sample-indent 34)) | |
257 | custom-theme-faces) | |
258 | (widget-insert " ")) | |
d0f1e2f8 CY |
259 | |
260 | ;;; Reading and writing | |
261 | ||
da16abfc CY |
262 | (defun custom-theme-visit-theme (theme) |
263 | "Load the custom theme THEME's settings into the current buffer." | |
264 | (interactive | |
265 | (list | |
266 | (intern (completing-read "Find custom theme: " | |
267 | (mapcar 'symbol-name | |
268 | (custom-available-themes)))))) | |
269 | (unless (custom-theme-name-valid-p theme) | |
270 | (error "No valid theme named `%s'" theme)) | |
271 | (cond ((not (eq major-mode 'custom-new-theme-mode)) | |
272 | (customize-create-theme theme)) | |
273 | ((y-or-n-p "Discard current changes? ") | |
274 | (setq custom-theme--save-name theme) | |
275 | (custom-theme-revert nil t)))) | |
d0f1e2f8 CY |
276 | |
277 | (defun custom-theme-merge-theme (theme) | |
da16abfc | 278 | "Merge the custom theme THEME's settings into the current buffer." |
6b09b5d1 CY |
279 | (interactive |
280 | (list | |
281 | (intern (completing-read "Merge custom theme: " | |
282 | (mapcar 'symbol-name | |
283 | (custom-available-themes)))))) | |
da16abfc CY |
284 | (unless (eq theme 'user) |
285 | (unless (custom-theme-name-valid-p theme) | |
286 | (error "Invalid theme name `%s'" theme)) | |
287 | (load-theme theme t)) | |
288 | (let ((settings (reverse (get theme 'theme-settings)))) | |
d0f1e2f8 | 289 | (dolist (setting settings) |
da16abfc CY |
290 | (funcall (if (eq (car setting) 'theme-value) |
291 | 'custom-theme-add-variable | |
292 | 'custom-theme-add-face) | |
293 | (nth 1 setting) | |
294 | (nth 3 setting)))) | |
d0f1e2f8 CY |
295 | theme) |
296 | ||
3656dac0 | 297 | (defun custom-theme-write (&rest ignore) |
da16abfc | 298 | "Write the current custom theme to its theme file." |
6b09b5d1 | 299 | (interactive) |
d0f1e2f8 | 300 | (let* ((name (widget-value custom-theme-name)) |
d0f1e2f8 | 301 | (doc (widget-value custom-theme-description)) |
76c16af8 CY |
302 | (vars custom-theme-variables) |
303 | (faces custom-theme-faces) | |
304 | filename) | |
305 | (when (string-equal name "") | |
306 | (setq name (read-from-minibuffer "Theme name: " (user-login-name))) | |
307 | (widget-value-set custom-theme-name name)) | |
6b09b5d1 CY |
308 | (unless (custom-theme-name-valid-p (intern name)) |
309 | (error "Custom themes cannot be named `%s'" name)) | |
76c16af8 CY |
310 | |
311 | (setq filename (expand-file-name (concat name "-theme.el") | |
312 | custom-theme-directory)) | |
313 | (and (file-exists-p filename) | |
314 | (not (y-or-n-p (format "File %s exists. Overwrite? " filename))) | |
315 | (error "Aborted")) | |
316 | ||
d0f1e2f8 CY |
317 | (with-temp-buffer |
318 | (emacs-lisp-mode) | |
319 | (unless (file-exists-p custom-theme-directory) | |
320 | (make-directory (file-name-as-directory custom-theme-directory) t)) | |
321 | (setq buffer-file-name filename) | |
322 | (erase-buffer) | |
323 | (insert "(deftheme " name) | |
324 | (if doc (insert "\n \"" doc "\"")) | |
325 | (insert ")\n") | |
326 | (custom-theme-write-variables name vars) | |
327 | (custom-theme-write-faces name faces) | |
328 | (insert "\n(provide-theme '" name ")\n") | |
329 | (save-buffer)) | |
330 | (dolist (var vars) | |
76c16af8 CY |
331 | (when (widget-get (cdr var) :children) |
332 | (widget-put (cdr var) :custom-state 'saved) | |
333 | (custom-redraw-magic (cdr var)))) | |
334 | (dolist (face custom-theme-faces) | |
335 | (when (widget-get (cdr face) :children) | |
336 | (widget-put (cdr face) :custom-state 'saved) | |
6b09b5d1 CY |
337 | (custom-redraw-magic (cdr face)))) |
338 | (message "Theme written to %s" filename))) | |
3656dac0 RS |
339 | |
340 | (defun custom-theme-write-variables (theme vars) | |
341 | "Write a `custom-theme-set-variables' command for THEME. | |
342 | It includes all variables in list VARS." | |
3656dac0 RS |
343 | (when vars |
344 | (let ((standard-output (current-buffer))) | |
345 | (princ "\n(custom-theme-set-variables\n") | |
346 | (princ " '") | |
347 | (princ theme) | |
348 | (princ "\n") | |
76c16af8 CY |
349 | (dolist (spec vars) |
350 | (let* ((symbol (car spec)) | |
da16abfc CY |
351 | (widget (cdr spec)) |
352 | (child (car-safe (widget-get widget :children))) | |
76c16af8 CY |
353 | (value (if child |
354 | (widget-value child) | |
da16abfc CY |
355 | ;; Child is null if the widget is closed (hidden). |
356 | (car (widget-get widget :shown-value))))) | |
76c16af8 CY |
357 | (when (boundp symbol) |
358 | (unless (bolp) | |
359 | (princ "\n")) | |
360 | (princ " '(") | |
361 | (prin1 symbol) | |
362 | (princ " ") | |
363 | (prin1 (custom-quote value)) | |
364 | (princ ")")))) | |
3656dac0 RS |
365 | (if (bolp) |
366 | (princ " ")) | |
367 | (princ ")") | |
368 | (unless (looking-at "\n") | |
369 | (princ "\n"))))) | |
370 | ||
371 | (defun custom-theme-write-faces (theme faces) | |
372 | "Write a `custom-theme-set-faces' command for THEME. | |
373 | It includes all faces in list FACES." | |
374 | (when faces | |
375 | (let ((standard-output (current-buffer))) | |
376 | (princ "\n(custom-theme-set-faces\n") | |
377 | (princ " '") | |
378 | (princ theme) | |
379 | (princ "\n") | |
76c16af8 CY |
380 | (dolist (spec faces) |
381 | (let* ((symbol (car spec)) | |
382 | (widget (cdr spec)) | |
76c16af8 | 383 | (value |
da16abfc CY |
384 | (if (car-safe (widget-get widget :children)) |
385 | (custom-face-widget-to-spec widget) | |
386 | ;; Child is null if the widget is closed (hidden). | |
387 | (widget-get widget :shown-value)))) | |
76c16af8 | 388 | (when (and (facep symbol) value) |
da16abfc | 389 | (princ (if (bolp) " '(" "\n '(")) |
76c16af8 CY |
390 | (prin1 symbol) |
391 | (princ " ") | |
392 | (prin1 value) | |
393 | (princ ")")))) | |
da16abfc | 394 | (if (bolp) (princ " ")) |
3656dac0 RS |
395 | (princ ")") |
396 | (unless (looking-at "\n") | |
397 | (princ "\n"))))) | |
398 | ||
6b09b5d1 CY |
399 | \f |
400 | ;;; Describing Custom themes. | |
401 | ||
402 | ;;;###autoload | |
403 | (defun describe-theme (theme) | |
404 | "Display a description of the Custom theme THEME (a symbol)." | |
405 | (interactive | |
406 | (list | |
407 | (intern (completing-read "Describe custom theme: " | |
408 | (mapcar 'symbol-name | |
409 | (custom-available-themes)))))) | |
410 | (unless (custom-theme-name-valid-p theme) | |
411 | (error "Invalid theme name `%s'" theme)) | |
412 | (help-setup-xref (list 'describe-theme theme) | |
413 | (called-interactively-p 'interactive)) | |
414 | (with-help-window (help-buffer) | |
415 | (with-current-buffer standard-output | |
416 | (describe-theme-1 theme)))) | |
417 | ||
418 | (defun describe-theme-1 (theme) | |
419 | (prin1 theme) | |
420 | (princ " is a custom theme") | |
421 | (let ((fn (locate-file (concat (symbol-name theme) "-theme.el") | |
422 | (cons custom-theme-directory load-path) | |
2919746c CY |
423 | '("" "c"))) |
424 | doc) | |
6b09b5d1 CY |
425 | (when fn |
426 | (princ " in `") | |
427 | (help-insert-xref-button (file-name-nondirectory fn) | |
428 | 'help-theme-def fn) | |
429 | (princ "'")) | |
2919746c CY |
430 | (princ ".\n") |
431 | (if (not (memq theme custom-known-themes)) | |
432 | (progn | |
433 | (princ "It is not loaded.") | |
434 | ;; Attempt to grab the theme documentation | |
435 | (when fn | |
436 | (with-temp-buffer | |
437 | (insert-file-contents fn) | |
438 | (let ((sexp (let ((read-circle nil)) | |
439 | (condition-case nil | |
440 | (read (current-buffer)) | |
441 | (end-of-file nil))))) | |
442 | (and sexp (listp sexp) | |
443 | (eq (car sexp) 'deftheme) | |
444 | (setq doc (nth 2 sexp))))))) | |
445 | (if (custom-theme-enabled-p theme) | |
446 | (princ "It is loaded and enabled.") | |
447 | (princ "It is loaded but disabled.")) | |
448 | (setq doc (get theme 'theme-documentation))) | |
449 | ||
450 | (princ "\n\nDocumentation:\n") | |
451 | (princ (if (stringp doc) | |
452 | doc | |
453 | "No documentation available."))) | |
6b09b5d1 CY |
454 | (princ "\n\nYou can ") |
455 | (help-insert-xref-button "customize" 'help-theme-edit theme) | |
456 | (princ " this theme.")) | |
457 | ||
458 | \f | |
459 | ;;; Theme chooser | |
460 | ||
461 | (defvar custom--listed-themes) | |
462 | ||
463 | (defcustom custom-theme-allow-multiple-selections nil | |
464 | "Whether to allow multi-selections in the *Custom Themes* buffer." | |
465 | :type 'boolean | |
466 | :group 'custom-buffer) | |
467 | ||
468 | (defvar custom-theme-choose-mode-map | |
469 | (let ((map (make-keymap))) | |
470 | (set-keymap-parent map widget-keymap) | |
471 | (suppress-keymap map) | |
472 | (define-key map "\C-x\C-s" 'custom-theme-save) | |
473 | (define-key map "n" 'widget-forward) | |
474 | (define-key map "p" 'widget-backward) | |
475 | (define-key map "?" 'custom-describe-theme) | |
476 | map) | |
477 | "Keymap for `custom-theme-choose-mode'.") | |
478 | ||
479 | (define-derived-mode custom-theme-choose-mode nil "Cus-Theme" | |
480 | "Major mode for selecting Custom themes. | |
481 | Do not call this mode function yourself. It is meant for internal use." | |
482 | (use-local-map custom-theme-choose-mode-map) | |
483 | (custom--initialize-widget-variables) | |
484 | (set (make-local-variable 'revert-buffer-function) | |
485 | (lambda (ignore-auto noconfirm) | |
486 | (when (or noconfirm (y-or-n-p "Discard current choices? ")) | |
487 | (customize-themes (current-buffer)))))) | |
488 | (put 'custom-theme-choose-mode 'mode-class 'special) | |
489 | ||
490 | ;;;###autoload | |
491 | (defun customize-themes (&optional buffer) | |
492 | "Display a selectable list of Custom themes. | |
493 | When called from Lisp, BUFFER should be the buffer to use; if | |
494 | omitted, a buffer named *Custom Themes* is used." | |
495 | (interactive) | |
496 | (pop-to-buffer (get-buffer-create (or buffer "*Custom Themes*"))) | |
497 | (let ((inhibit-read-only t)) | |
498 | (erase-buffer)) | |
499 | (custom-theme-choose-mode) | |
500 | (set (make-local-variable 'custom--listed-themes) nil) | |
501 | (make-local-variable 'custom-theme-allow-multiple-selections) | |
502 | (and (null custom-theme-allow-multiple-selections) | |
503 | (> (length custom-enabled-themes) 1) | |
504 | (setq custom-theme-allow-multiple-selections t)) | |
505 | ||
506 | (widget-insert | |
507 | (substitute-command-keys | |
508 | "Type RET or click to enable/disable listed custom themes. | |
509 | Type \\[custom-describe-theme] to describe the theme at point. | |
510 | Theme files are named *-theme.el in `")) | |
511 | (when (stringp custom-theme-directory) | |
512 | (widget-create 'link :value custom-theme-directory | |
513 | :button-face 'custom-link | |
514 | :mouse-face 'highlight | |
515 | :pressed-face 'highlight | |
516 | :help-echo "Describe `custom-theme-directory'." | |
517 | :keymap custom-mode-link-map | |
518 | :follow-link 'mouse-face | |
519 | :action (lambda (widget &rest ignore) | |
520 | (describe-variable 'custom-theme-directory))) | |
521 | (widget-insert "' or `")) | |
522 | (widget-create 'link :value "load-path" | |
523 | :button-face 'custom-link | |
524 | :mouse-face 'highlight | |
525 | :pressed-face 'highlight | |
526 | :help-echo "Describe `load-path'." | |
527 | :keymap custom-mode-link-map | |
528 | :follow-link 'mouse-face | |
529 | :action (lambda (widget &rest ignore) | |
530 | (describe-variable 'load-path))) | |
531 | (widget-insert "'.\n\n") | |
da16abfc CY |
532 | |
533 | ;; If the user has made customizations, display a warning and | |
534 | ;; provide buttons to disable or convert them. | |
535 | (let ((user-settings (get 'user 'theme-settings))) | |
536 | (unless (or (null user-settings) | |
537 | (and (null (cdr user-settings)) | |
538 | (eq (caar user-settings) 'theme-value) | |
539 | (eq (cadr (car user-settings)) 'custom-enabled-themes))) | |
540 | (widget-insert "Note: Your custom settings take precedence over theme settings.\n\n") | |
541 | ;; FIXME: Provide some way to painlessly disable or migrate | |
542 | ;; these settings. | |
543 | )) | |
544 | ||
6b09b5d1 CY |
545 | (widget-create 'push-button |
546 | :tag " Save Theme Settings " | |
547 | :help-echo "Save the selected themes for future sessions." | |
548 | :action 'custom-theme-save) | |
549 | (widget-insert ?\n) | |
550 | (widget-create 'checkbox | |
551 | :value custom-theme-allow-multiple-selections | |
552 | :action 'custom-theme-selections-toggle) | |
553 | (widget-insert (propertize " Allow more than one theme at a time" | |
554 | 'face '(variable-pitch (:height 0.9)))) | |
555 | ||
556 | (widget-insert "\n\nAvailable Custom Themes:\n") | |
557 | (let (widget) | |
558 | (dolist (theme (custom-available-themes)) | |
559 | (setq widget (widget-create 'checkbox | |
560 | :value (custom-theme-enabled-p theme) | |
561 | :theme-name theme | |
562 | :action 'custom-theme-checkbox-toggle)) | |
563 | (push (cons theme widget) custom--listed-themes) | |
564 | (widget-create-child-and-convert widget 'push-button | |
565 | :button-face-get 'ignore | |
566 | :mouse-face-get 'ignore | |
567 | :value (format " %s" theme) | |
568 | :action 'widget-parent-action) | |
569 | (widget-insert ?\n))) | |
570 | (goto-char (point-min)) | |
571 | (widget-setup)) | |
572 | ||
573 | (defun custom-theme-checkbox-toggle (widget &optional event) | |
574 | (let ((this-theme (widget-get widget :theme-name))) | |
575 | (if (widget-value widget) | |
576 | ;; Disable the theme. | |
577 | (disable-theme this-theme) | |
578 | ;; Enable the theme. | |
579 | (unless custom-theme-allow-multiple-selections | |
580 | ;; If only one theme is allowed, disable all other themes and | |
581 | ;; uncheck their boxes. | |
582 | (dolist (theme custom-enabled-themes) | |
583 | (and (not (eq theme this-theme)) | |
584 | (assq theme custom--listed-themes) | |
585 | (disable-theme theme))) | |
586 | (dolist (theme custom--listed-themes) | |
587 | (unless (eq (car theme) this-theme) | |
588 | (widget-value-set (cdr theme) nil) | |
589 | (widget-apply (cdr theme) :notify (cdr theme) event)))) | |
590 | (load-theme this-theme))) | |
591 | ;; Mark `custom-enabled-themes' as "set for current session". | |
592 | (put 'custom-enabled-themes 'customized-value | |
593 | (list (custom-quote custom-enabled-themes))) | |
594 | ;; Check/uncheck the widget. | |
595 | (widget-toggle-action widget event)) | |
596 | ||
597 | (defun custom-describe-theme () | |
598 | "Describe the Custom theme on the current line." | |
599 | (interactive) | |
600 | (let ((widget (widget-at (line-beginning-position)))) | |
601 | (and widget | |
602 | (describe-theme (widget-get widget :theme-name))))) | |
603 | ||
604 | (defun custom-theme-save (&rest ignore) | |
605 | (interactive) | |
606 | (customize-save-variable 'custom-enabled-themes custom-enabled-themes) | |
607 | (message "Custom themes saved for future sessions.")) | |
608 | ||
609 | (defun custom-theme-selections-toggle (widget &optional event) | |
610 | (when (widget-value widget) | |
611 | ;; Deactivate multiple-selections. | |
612 | (if (> (length (delq nil (mapcar (lambda (x) (widget-value (cdr x))) | |
613 | custom--listed-themes))) | |
614 | 1) | |
615 | (error "More than one theme is currently selected"))) | |
616 | (widget-toggle-action widget event) | |
617 | (setq custom-theme-allow-multiple-selections (widget-value widget))) | |
618 | ||
cbee283d | 619 | ;; arch-tag: cd6919bc-63af-410e-bae2-b6702e762344 |
3656dac0 | 620 | ;;; cus-theme.el ends here |