Mercurial > hg > xemacs-beta
annotate lisp/faces.el @ 5292:e4305eb6fb8c
Merge some permissions corrections to trunk.
| author | Stephen J. Turnbull <stephen@xemacs.org> |
|---|---|
| date | Mon, 18 Oct 2010 23:21:23 +0900 |
| parents | d27c1ee1943b |
| children | 2a54dfbe434f b9167d522a9a |
| rev | line source |
|---|---|
| 428 | 1 ;;; faces.el --- Lisp interface to the C "face" structure |
| 2 | |
| 3 ;; Copyright (C) 1992-4, 1997 Free Software Foundation, Inc. | |
| 4 ;; Copyright (C) 1995 Board of Trustees, University of Illinois | |
| 3027 | 5 ;; Copyright (C) 1995, 1996, 2002, 2005 Ben Wing |
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6 ;; Copyright (C) 2010 Didier Verna |
| 428 | 7 |
| 8 ;; Author: Ben Wing <ben@xemacs.org> | |
| 9 ;; Keywords: faces, internal, dumped | |
| 10 | |
| 11 ;; This file is part of XEmacs. | |
| 12 | |
| 13 ;; XEmacs is free software; you can redistribute it and/or modify it | |
| 14 ;; under the terms of the GNU General Public License as published by | |
| 15 ;; the Free Software Foundation; either version 2, or (at your option) | |
| 16 ;; any later version. | |
| 17 | |
| 18 ;; XEmacs is distributed in the hope that it will be useful, but | |
| 19 ;; WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 21 ;; General Public License for more details. | |
| 22 | |
| 23 ;; You should have received a copy of the GNU General Public License | |
| 24 ;; along with XEmacs; see the file COPYING. If not, write to the | |
| 25 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 26 ;; Boston, MA 02111-1307, USA. | |
| 27 | |
| 28 ;;; Synched up with: Not synched with FSF. Almost completely divergent. | |
| 29 | |
| 30 ;;; Commentary: | |
| 31 | |
| 32 ;; This file is dumped with XEmacs. | |
| 33 | |
| 34 ;; face implementation #1 (used Lisp vectors and parallel C vectors; | |
| 35 ;; FSFmacs still uses this) authored by Jamie Zawinski <jwz@jwz.org> | |
| 36 ;; pre Lucid-Emacs 19.0. | |
| 37 | |
| 38 ;; face implementation #2 (used one face object per frame per face) | |
| 39 ;; authored by Jamie Zawinski for 19.9. | |
| 40 | |
| 41 ;; face implementation #3 (use one face object per face) originally | |
| 42 ;; authored for 19.12 by Chuck Thompson <cthomp@cs.uiuc.edu>, | |
| 43 ;; rewritten by Ben Wing with the advent of specifiers. | |
| 44 | |
| 45 | |
| 46 ;;; Some stuff in FSF's faces.el is in our x-faces.el. | |
| 47 | |
| 48 ;;; Code: | |
| 49 | |
| 771 | 50 ;; To elude the warnings for font functions. (Normally autoloaded when |
| 51 ;; font-create-object is called) | |
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52 (eval-when-compile (require 'font)) |
| 771 | 53 |
| 428 | 54 (defgroup faces nil |
| 55 "Support for multiple text attributes (fonts, colors, ...) | |
| 56 Such a collection of attributes is called a \"face\"." | |
| 57 :group 'emacs) | |
| 58 | |
| 59 | |
| 60 (defun read-face-name (prompt) | |
| 61 (let (face) | |
| 62 (while (= (length face) 0) ; nil or "" | |
| 63 (setq face (completing-read prompt | |
| 64 (mapcar (lambda (x) (list (symbol-name x))) | |
| 65 (face-list)) | |
| 66 nil t))) | |
| 67 (intern face))) | |
| 68 | |
| 69 (defun face-interactive (what &optional bool) | |
| 70 (let* ((fn (intern (concat "face-" what "-instance"))) | |
| 71 (face (read-face-name (format "Set %s of face: " what))) | |
| 72 (default (if (fboundp fn) | |
| 73 ;; #### we should distinguish here between | |
| 74 ;; explicitly setting the value to be the | |
| 75 ;; same as the default face's value, and | |
| 76 ;; not setting a value at all. | |
| 77 (funcall fn face))) | |
| 78 (value (if bool | |
| 79 (y-or-n-p (format "Should face %s be %s? " | |
| 80 (symbol-name face) bool)) | |
| 81 (read-string (format "Set %s of face %s to: " | |
| 82 what (symbol-name face)) | |
| 83 (cond ((font-instance-p default) | |
| 84 (font-instance-name default)) | |
| 85 ((color-instance-p default) | |
| 86 (color-instance-name default)) | |
| 87 ((image-instance-p default) | |
| 88 (image-instance-file-name default)) | |
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89 ((face-background-placement-instance-p default) |
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90 (symbol-name default)) |
| 428 | 91 (t default)))))) |
| 92 (list face (if (equal value "") nil value)))) | |
| 93 | |
| 94 (defconst built-in-face-specifiers | |
| 95 (built-in-face-specifiers) | |
| 96 "A list of the built-in face properties that are specifiers.") | |
| 97 | |
| 98 (defun face-property (face property &optional locale tag-set exact-p) | |
| 99 "Return FACE's value of the given PROPERTY. | |
| 100 | |
| 3027 | 101 NOTE: If you are looking for the \"value\" of a built-in face property |
| 102 (`foreground', `background', `font', `background-pixmap', etc.), you | |
| 103 are probably better off calling `face-property-instance'. The return | |
| 104 value of `face-property' for built-in properties describes the original | |
| 105 specification used to determine the face property, which may be nil, | |
| 106 a list of instantiators, or something else that is unexpected. For | |
| 107 example, if you ask for a face property in a particular buffer (by | |
| 108 specifying a buffer for LOCALE), you will get a non-nil return value | |
| 109 only if a buffer-local specification for that particular buffer had | |
| 110 previously been given. | |
| 111 | |
| 112 For a full list of built-in property names and their semantics, see | |
| 113 `set-face-property'. | |
| 428 | 114 |
| 3027 | 115 If LOCALE is omitted, the FACE's actual value for PROPERTY will be |
| 116 returned. In this case, this function appears to behave rather | |
| 117 differently depending on whether PROPERTY is a built-in face property of | |
| 118 a user-defined face property. This is because the most basic value of a | |
| 119 user-defined property is simply whatever was set using | |
| 120 `set-face-property', but for a built-in property it's always a specifier, | |
| 121 which is an abstract object encapsulating all the specifications for that | |
| 122 particular property. | |
| 123 | |
| 124 LOCALE, if supplied, will generally be a buffer, frame or | |
| 125 `global' (for the global value), but there are other possibilities -- see | |
| 126 the following paragraph. This mostly applies to built-in properties. In | |
| 127 this case, the return value will not be a specifier object but the | |
| 128 specification(s) for the given locale or locale type will be returned | |
| 129 (equivalent to calling `specifier-specs' on the specifier). | |
| 130 (Technically, the same thing happens if the basic value of a user- | |
| 131 defined property is a specifier, although this usage is rare.) | |
| 428 | 132 |
| 133 The return value will be a list of instantiators (e.g. strings | |
| 134 specifying a font or color name), or a list of specifications, each | |
| 135 of which is a cons of a locale and a list of instantiators. | |
| 136 Specifically, if LOCALE is a particular locale (a buffer, window, | |
| 3027 | 137 frame, device, or `global'), a list of instantiators for that locale |
| 428 | 138 will be returned. Otherwise, if LOCALE is a locale type (one of |
| 3027 | 139 the symbols `buffer', `window', `frame', or `device'), the specifications |
| 428 | 140 for all locales of that type will be returned. Finally, if LOCALE is |
| 3027 | 141 `all', the specifications for all locales of all types will be returned. |
| 428 | 142 |
| 143 The specifications in a specifier determine what the value of | |
| 144 PROPERTY will be in a particular \"domain\" or set of circumstances, | |
| 3027 | 145 which is typically a particular Emacs window -- which in turn defines |
| 146 a buffer (the buffer in the window), a frame (the frame that the window | |
| 147 is in), and a device (the device that the frame is in). The value is | |
| 442 | 148 derived from the instantiator associated with the most specific |
| 3027 | 149 locale (in the order buffer, window, frame, device, and `global') |
| 428 | 150 that matches the domain in question. In other words, given a domain |
| 442 | 151 (i.e. an Emacs window, usually), the specifier for PROPERTY will |
| 152 first be searched for a specification whose locale is the buffer | |
| 153 contained within that window; then for a specification whose locale | |
| 154 is the window itself; then for a specification whose locale is the | |
| 155 frame that the window is contained within; etc. The first | |
| 156 instantiator that is valid for the domain (usually this means that | |
| 157 the instantiator is recognized by the device [i.e. MS Windows, the X | |
| 3027 | 158 server or TTY device]) will be \"instantiated\", which generates |
| 159 a Lisp object encapsulating the original instantiator and the underlying | |
| 160 window-system object describing the property. The function | |
| 161 `face-property-instance' actually does all this." | |
| 428 | 162 |
| 163 (setq face (get-face face)) | |
| 164 (let ((value (get face property))) | |
| 165 (if (and locale | |
| 166 (or (memq property built-in-face-specifiers) | |
| 167 (specifierp value))) | |
| 168 (setq value (specifier-specs value locale tag-set exact-p))) | |
| 169 value)) | |
| 170 | |
| 171 (defun convert-face-property-into-specifier (face property) | |
| 172 "Convert PROPERTY on FACE into a specifier, if it's not already." | |
| 173 (setq face (get-face face)) | |
| 174 (let ((specifier (get face property))) | |
| 175 ;; if a user-property does not have a specifier but a | |
| 176 ;; locale was specified, put a specifier there. | |
| 177 ;; If there was already a value there, convert it to a | |
| 3027 | 178 ;; specifier with the value as its `global' instantiator. |
| 428 | 179 (unless (specifierp specifier) |
| 180 (let ((new-specifier (make-specifier 'generic))) | |
| 181 (if (or (not (null specifier)) | |
| 182 ;; make sure the nil returned from `get' wasn't | |
| 183 ;; actually the value of the property | |
| 184 (null (get face property t))) | |
| 185 (add-spec-to-specifier new-specifier specifier)) | |
| 186 (setq specifier new-specifier) | |
| 187 (put face property specifier))))) | |
| 188 | |
| 189 (defun face-property-instance (face property | |
| 872 | 190 &optional domain default no-fallback) |
| 428 | 191 "Return the instance of FACE's PROPERTY in the specified DOMAIN. |
| 192 | |
| 193 Under most circumstances, DOMAIN will be a particular window, | |
| 194 and the returned instance describes how the specified property | |
| 195 actually is displayed for that window and the particular buffer | |
| 196 in it. Note that this may not be the same as how the property | |
| 197 appears when the buffer is displayed in a different window or | |
| 198 frame, or how the property appears in the same window if you | |
| 199 switch to another buffer in that window; and in those cases, | |
| 200 the returned instance would be different. | |
| 201 | |
| 202 The returned instance will typically be a color-instance, | |
| 3027 | 203 font-instance, or image-instance object, and you can query |
| 428 | 204 it using the appropriate object-specific functions. For example, |
| 205 you could use `color-instance-rgb-components' to find out the | |
| 3027 | 206 RGB (red, green, and blue) components of how the `background' |
| 207 property of the `highlight' face is displayed in a particular | |
| 428 | 208 window. The results might be different from the results |
| 209 you would get for another window (perhaps the user | |
| 210 specified a different color for the frame that window is on; | |
| 211 or perhaps the same color was specified but the window is | |
| 212 on a different X server, and that X server has different RGB | |
| 213 values for the color from this one). | |
| 214 | |
| 215 DOMAIN defaults to the selected window if omitted. | |
| 216 | |
| 217 DOMAIN can be a frame or device, instead of a window. The value | |
| 218 returned for a such a domain is used in special circumstances | |
| 219 when a more specific domain does not apply; for example, a frame | |
| 220 value might be used for coloring a toolbar, which is conceptually | |
| 221 attached to a frame rather than a particular window. The value | |
| 222 is also useful in determining what the value would be for a | |
| 223 particular window within the frame or device, if it is not | |
| 224 overridden by a more specific specification. | |
| 225 | |
| 226 If PROPERTY does not name a built-in property, its value will | |
| 227 simply be returned unless it is a specifier object, in which case | |
| 228 it will be instanced using `specifier-instance'. | |
| 229 | |
| 230 Optional arguments DEFAULT and NO-FALLBACK are the same as in | |
| 231 `specifier-instance'." | |
| 232 | |
| 233 (setq face (get-face face)) | |
| 234 (let ((value (get face property))) | |
| 235 (if (specifierp value) | |
| 236 (setq value (specifier-instance value domain default no-fallback))) | |
| 237 value)) | |
| 238 | |
| 239 (defun face-property-matching-instance (face property matchspec | |
| 872 | 240 &optional domain default |
| 241 no-fallback) | |
| 428 | 242 "Return the instance of FACE's PROPERTY matching MATCHSPEC in DOMAIN. |
| 243 Currently the only useful value for MATCHSPEC is a charset, when used | |
| 244 in conjunction with the face's font; this allows you to retrieve a | |
| 245 font that can be used to display a particular charset, rather than just | |
| 246 any font. | |
| 247 | |
| 248 Other than MATCHSPEC, this function is identical to `face-property-instance'. | |
| 249 See also `specifier-matching-instance' for a fuller description of the | |
| 250 matching process." | |
| 251 | |
| 252 (setq face (get-face face)) | |
| 253 (let ((value (get face property))) | |
| 3659 | 254 (when (specifierp value) |
| 255 (setq value (specifier-matching-instance value matchspec domain | |
| 256 default no-fallback))) | |
| 428 | 257 value)) |
| 258 | |
| 259 (defun set-face-property (face property value &optional locale tag-set | |
| 872 | 260 how-to-add) |
| 428 | 261 "Change a property of FACE. |
| 262 | |
| 263 NOTE: If you want to remove a property from a face, use `remove-face-property' | |
| 264 rather than attempting to set a value of nil for the property. | |
| 265 | |
| 266 For built-in properties, the actual value of the property is a | |
| 267 specifier and you cannot change this; but you can change the | |
| 268 specifications within the specifier, and that is what this function | |
| 269 will do. For user-defined properties, you can use this function | |
| 270 to either change the actual value of the property or, if this value | |
| 271 is a specifier, change the specifications within it. | |
| 272 | |
| 273 If PROPERTY is a built-in property, the specifications to be added to | |
| 274 this property can be supplied in many different ways: | |
| 275 | |
| 276 -- If VALUE is a simple instantiator (e.g. a string naming a font or | |
| 277 color) or a list of instantiators, then the instantiator(s) will | |
| 278 be added as a specification of the property for the given LOCALE | |
| 3027 | 279 (which defaults to `global' if omitted). |
| 428 | 280 -- If VALUE is a list of specifications (each of which is a cons of |
| 281 a locale and a list of instantiators), then LOCALE must be nil | |
| 282 (it does not make sense to explicitly specify a locale in this | |
| 283 case), and specifications will be added as given. | |
| 284 -- If VALUE is a specifier (as would be returned by `face-property' | |
| 285 if no LOCALE argument is given), then some or all of the | |
| 286 specifications in the specifier will be added to the property. | |
| 287 In this case, the function is really equivalent to | |
| 288 `copy-specifier' and LOCALE has the same semantics (if it is | |
| 289 a particular locale, the specification for the locale will be | |
| 290 copied; if a locale type, specifications for all locales of | |
| 3027 | 291 that type will be copied; if nil or `all', then all |
| 428 | 292 specifications will be copied). |
| 293 | |
| 3027 | 294 HOW-TO-ADD should be either nil or one of the symbols `prepend', |
| 295 `append', `remove-tag-set-prepend', `remove-tag-set-append', `remove-locale', | |
| 296 `remove-locale-type', or `remove-all'. See `copy-specifier' and | |
| 428 | 297 `add-spec-to-specifier' for a description of what each of |
| 298 these means. Most of the time, you do not need to worry about | |
| 299 this argument; the default behavior usually is fine. | |
| 300 | |
| 301 In general, it is OK to pass an instance object (e.g. as returned | |
| 302 by `face-property-instance') as an instantiator in place of | |
| 303 an actual instantiator. In such a case, the instantiator used | |
| 304 to create that instance object will be used (for example, if | |
| 3027 | 305 you set a font-instance object as the value of the `font' |
| 428 | 306 property, then the font name used to create that object will |
| 307 be used instead). If some cases, however, doing this | |
| 308 conversion does not make sense, and this will be noted in | |
| 309 the documentation for particular types of instance objects. | |
| 310 | |
| 311 If PROPERTY is not a built-in property, then this function will | |
| 312 simply set its value if LOCALE is nil. However, if LOCALE is | |
| 313 given, then this function will attempt to add VALUE as the | |
| 314 instantiator for the given LOCALE, using `add-spec-to-specifier'. | |
| 315 If the value of the property is not a specifier, it will | |
| 3027 | 316 automatically be converted into a `generic' specifier. |
| 428 | 317 |
| 318 | |
| 319 The following symbols have predefined meanings: | |
| 320 | |
| 321 foreground The foreground color of the face. | |
| 442 | 322 For valid instantiators, see `make-color-specifier'. |
| 428 | 323 |
| 324 background The background color of the face. | |
| 442 | 325 For valid instantiators, see `make-color-specifier'. |
| 428 | 326 |
| 327 font The font used to display text covered by this face. | |
| 442 | 328 For valid instantiators, see `make-font-specifier'. |
| 428 | 329 |
| 330 display-table The display table of the face. | |
| 331 This should be a vector of 256 elements. | |
| 332 | |
| 333 background-pixmap The pixmap displayed in the background of the face. | |
| 442 | 334 Only used by faces on X and MS Windows devices. |
| 335 For valid instantiators, see `make-image-specifier'. | |
| 428 | 336 |
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337 background-placement The placement of the face's background pixmap. |
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338 Only used by faces on X devices. |
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339 For valid instantiators, |
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340 see `make-face-background-placement-specifier'. |
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341 |
| 428 | 342 underline Underline all text covered by this face. |
| 442 | 343 For valid instantiators, see `make-face-boolean-specifier'. |
| 428 | 344 |
| 345 strikethru Draw a line through all text covered by this face. | |
| 442 | 346 For valid instantiators, see `make-face-boolean-specifier'. |
| 428 | 347 |
| 348 highlight Highlight all text covered by this face. | |
| 349 Only used by faces on TTY devices. | |
| 442 | 350 For valid instantiators, see `make-face-boolean-specifier'. |
| 428 | 351 |
| 352 dim Dim all text covered by this face. | |
| 442 | 353 For valid instantiators, see `make-face-boolean-specifier'. |
| 428 | 354 |
| 355 blinking Blink all text covered by this face. | |
| 356 Only used by faces on TTY devices. | |
| 442 | 357 For valid instantiators, see `make-face-boolean-specifier'. |
| 428 | 358 |
| 359 reverse Reverse the foreground and background colors. | |
| 360 Only used by faces on TTY devices. | |
| 442 | 361 For valid instantiators, see `make-face-boolean-specifier'. |
| 428 | 362 |
| 3027 | 363 inherit Face name or face object from which to inherit attributes, |
| 364 or a list of such elements. Attributes from inherited | |
| 365 faces are merged into the face like an underlying face | |
| 366 would be, with higher priority than underlying faces. | |
| 367 | |
| 428 | 368 doc-string Description of what the face's normal use is. |
| 369 NOTE: This is not a specifier, unlike all | |
| 370 the other built-in properties, and cannot | |
| 371 contain locale-specific values." | |
| 372 | |
| 373 (setq face (get-face face)) | |
| 374 (if (memq property built-in-face-specifiers) | |
| 375 (set-specifier (get face property) value locale tag-set how-to-add) | |
| 376 | |
| 377 ;; This section adds user defined properties. | |
| 378 (if (not locale) | |
| 379 (put face property value) | |
| 380 (convert-face-property-into-specifier face property) | |
| 381 (add-spec-to-specifier (get face property) value locale tag-set | |
| 382 how-to-add))) | |
| 383 value) | |
| 384 | |
| 385 (defun remove-face-property (face property &optional locale tag-set exact-p) | |
| 386 "Remove a property from FACE. | |
| 387 For built-in properties, this is analogous to `remove-specifier'. | |
| 388 See `remove-specifier' for the meaning of the LOCALE, TAG-SET, and EXACT-P | |
| 389 arguments." | |
| 390 (or locale (setq locale 'all)) | |
| 391 (if (memq property built-in-face-specifiers) | |
| 392 (remove-specifier (face-property face property) locale tag-set exact-p) | |
| 393 (if (eq locale 'all) | |
| 394 (remprop (get-face face) property) | |
| 395 (convert-face-property-into-specifier face property) | |
| 396 (remove-specifier (face-property face property) locale tag-set | |
| 397 exact-p)))) | |
| 398 | |
| 399 (defun reset-face (face &optional locale tag-set exact-p) | |
| 400 "Clear all existing built-in specifications from FACE. | |
| 3027 | 401 This makes FACE inherit all its display properties from `default'. |
| 428 | 402 WARNING: Be absolutely sure you want to do this!!! It is a dangerous |
| 403 operation and is not undoable. | |
| 404 | |
| 405 The arguments LOCALE, TAG-SET and EXACT-P are the same as for | |
| 406 `remove-specifier'." | |
| 3918 | 407 ;; Don't reset the default face. |
| 408 (unless (eq 'default face) | |
| 409 (dolist (x built-in-face-specifiers nil) | |
| 410 (remove-specifier (face-property face x) locale tag-set exact-p)))) | |
| 428 | 411 |
| 412 (defun set-face-parent (face parent &optional locale tag-set how-to-add) | |
| 413 "Set the parent of FACE to PARENT, for all properties. | |
| 414 This makes all properties of FACE inherit from PARENT." | |
| 415 (setq parent (get-face parent)) | |
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416 (mapc (lambda (x) |
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417 (set-face-property face x (vector parent) locale tag-set |
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418 how-to-add)) |
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419 (set-difference built-in-face-specifiers |
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420 '(display-table background-pixmap inherit))) |
| 428 | 421 (set-face-background-pixmap face (vector 'inherit ':face parent) |
| 422 locale tag-set how-to-add) | |
| 423 nil) | |
| 424 | |
| 425 (defun face-doc-string (face) | |
| 426 "Return the documentation string for FACE." | |
| 427 (face-property face 'doc-string)) | |
| 428 | |
| 429 (defun set-face-doc-string (face doc-string) | |
| 430 "Change the documentation string of FACE to DOC-STRING." | |
| 431 (interactive (face-interactive "doc-string")) | |
| 432 (set-face-property face 'doc-string doc-string)) | |
| 433 | |
| 434 (defun face-font-name (face &optional domain charset) | |
| 435 "Return the font name of FACE in DOMAIN, or nil if it is unspecified. | |
| 3027 | 436 DOMAIN is as in `face-font-instance'. |
| 437 | |
| 438 Font names are strings, as described in `make-font-specifier'." | |
| 428 | 439 (let ((f (face-font-instance face domain charset))) |
| 440 (and f (font-instance-name f)))) | |
| 441 | |
| 442 (defun face-font (face &optional locale tag-set exact-p) | |
| 3027 | 443 "Return the font spec of FACE in LOCALE, or nil if it is unspecified. |
| 444 | |
| 445 NOTE: This returns a locale-specific specification, not any sort of value | |
| 446 corresponding to the actual font being used. If you want to know the | |
| 447 actual font used in a particular domain, use `face-font-instance', or | |
| 448 `face-font-name' for its name (i.e. the instantiator used to create it). | |
| 428 | 449 |
| 450 FACE may be either a face object or a symbol representing a face. | |
| 451 | |
| 452 LOCALE may be a locale (the instantiators for that particular locale | |
| 453 will be returned), a locale type (the specifications for all locales | |
| 3027 | 454 of that type will be returned), `all' (all specifications will be |
| 428 | 455 returned), or nil (the actual specifier object will be returned). |
| 456 | |
| 457 See `face-property' for more information." | |
| 458 (face-property face 'font locale tag-set exact-p)) | |
| 459 | |
| 460 (defun face-font-instance (face &optional domain charset) | |
| 461 "Return the instance of FACE's font in DOMAIN. | |
| 462 | |
| 3027 | 463 Return value will be a font instance object; query its properties using |
| 464 `font-instance-name', `font-instance-height', `font-instance-width', etc. | |
| 465 | |
| 428 | 466 FACE may be either a face object or a symbol representing a face. |
| 467 | |
| 468 Normally DOMAIN will be a window or nil (meaning the selected window), | |
| 469 and an instance object describing how the font appears in that | |
| 470 particular window and buffer will be returned. | |
| 471 | |
| 3659 | 472 CHARSET is a Mule charset (meaning return the font used for that charset) or |
| 473 nil (meaning return the font used for ASCII.) | |
| 474 | |
| 428 | 475 See `face-property-instance' for more information." |
| 3659 | 476 (if (null charset) |
| 477 (face-property-instance face 'font domain) | |
| 478 (let (matchspec) | |
| 479 ;; get-charset signals an error if its argument doesn't have an | |
| 480 ;; associated charset. | |
| 4222 | 481 (setq charset (if-fboundp #'get-charset |
| 482 (get-charset charset) | |
| 483 (error 'unimplemented "Charset support not available")) | |
| 3659 | 484 matchspec (cons charset nil)) |
| 485 (or (null (setcdr matchspec 'initial)) | |
| 486 (face-property-matching-instance | |
| 487 face 'font matchspec domain) | |
| 488 (null (setcdr matchspec 'final)) | |
| 489 (face-property-matching-instance | |
| 490 face 'font matchspec domain))))) | |
| 428 | 491 |
| 492 (defun set-face-font (face font &optional locale tag-set how-to-add) | |
| 493 "Change the font of FACE to FONT in LOCALE. | |
| 494 | |
| 495 FACE may be either a face object or a symbol representing a face. | |
| 496 | |
| 3659 | 497 FONT should be an instantiator (see `make-font-specifier'; a common |
| 498 instantiator is a platform-dependent string naming the font), a list | |
| 499 of instantiators, an alist of specifications (each mapping a locale | |
| 500 to an instantiator list), or a font specifier object. | |
| 428 | 501 |
| 3659 | 502 If FONT is an alist, LOCALE must be omitted. If FONT is a specifier |
| 503 object, LOCALE can be a locale, a locale type, `all', or nil; see | |
| 504 `copy-specifier' for its semantics. Common LOCALEs are buffer | |
| 505 objects, window objects, device objects and `global'. Otherwise | |
| 506 LOCALE specifies the locale under which the specified | |
| 507 instantiator(s) will be added, and defaults to `global'. | |
| 428 | 508 |
| 509 See `set-face-property' for more information." | |
| 510 (interactive (face-interactive "font")) | |
| 511 (set-face-property face 'font font locale tag-set how-to-add)) | |
| 512 | |
| 513 (defun face-foreground (face &optional locale tag-set exact-p) | |
| 3027 | 514 "Return the foreground spec of FACE in LOCALE, or nil if it is unspecified. |
| 515 | |
| 516 NOTE: This returns a locale-specific specification, not any sort of value | |
| 517 corresponding to the actual foreground being used. If you want to know the | |
| 518 actual foreground color used in a particular domain, use | |
| 519 `face-foreground-instance', or `face-foreground-name' for its name | |
| 520 \(i.e. the instantiator used to create it). | |
| 428 | 521 |
| 522 FACE may be either a face object or a symbol representing a face. | |
| 523 | |
| 524 LOCALE may be a locale (the instantiators for that particular locale | |
| 525 will be returned), a locale type (the specifications for all locales | |
| 3027 | 526 of that type will be returned), `all' (all specifications will be |
| 428 | 527 returned), or nil (the actual specifier object will be returned). |
| 528 | |
| 529 See `face-property' for more information." | |
| 530 (face-property face 'foreground locale tag-set exact-p)) | |
| 531 | |
| 532 (defun face-foreground-instance (face &optional domain default no-fallback) | |
| 533 "Return the instance of FACE's foreground in DOMAIN. | |
| 534 | |
| 3027 | 535 Return value will be a color instance object; query its properties using |
| 536 `color-instance-name' or `color-instance-rgb-properties'. | |
| 537 | |
| 428 | 538 FACE may be either a face object or a symbol representing a face. |
| 539 | |
| 540 Normally DOMAIN will be a window or nil (meaning the selected window), | |
| 541 and an instance object describing how the foreground appears in that | |
| 542 particular window and buffer will be returned. | |
| 543 | |
| 544 See `face-property-instance' for more information." | |
| 545 (face-property-instance face 'foreground domain default no-fallback)) | |
| 546 | |
| 547 (defun face-foreground-name (face &optional domain default no-fallback) | |
| 548 "Return the name of FACE's foreground color in DOMAIN. | |
| 549 | |
| 550 FACE may be either a face object or a symbol representing a face. | |
| 551 | |
| 552 Normally DOMAIN will be a window or nil (meaning the selected window), | |
| 553 and an instance object describing how the background appears in that | |
| 554 particular window and buffer will be returned. | |
| 555 | |
| 556 See `face-property-instance' for more information." | |
| 557 (color-instance-name (face-foreground-instance | |
| 558 face domain default no-fallback))) | |
| 559 | |
| 560 (defun set-face-foreground (face color &optional locale tag-set how-to-add) | |
| 561 "Change the foreground color of FACE to COLOR in LOCALE. | |
| 562 | |
| 563 FACE may be either a face object or a symbol representing a face. | |
| 564 | |
| 442 | 565 COLOR should be an instantiator (see `make-color-specifier'), a list of |
| 428 | 566 instantiators, an alist of specifications (each mapping a locale to |
| 567 an instantiator list), or a color specifier object. | |
| 568 | |
| 569 If COLOR is an alist, LOCALE must be omitted. If COLOR is a | |
| 3027 | 570 specifier object, LOCALE can be a locale, a locale type, `all', |
| 428 | 571 or nil; see `copy-specifier' for its semantics. Otherwise LOCALE |
| 572 specifies the locale under which the specified instantiator(s) | |
| 3027 | 573 will be added, and defaults to `global'. |
| 428 | 574 |
| 575 See `set-face-property' for more information." | |
| 576 (interactive (face-interactive "foreground")) | |
| 577 (set-face-property face 'foreground color locale tag-set how-to-add)) | |
| 578 | |
| 579 (defun face-background (face &optional locale tag-set exact-p) | |
| 580 "Return the background color of FACE in LOCALE, or nil if it is unspecified. | |
| 581 | |
| 3027 | 582 NOTE: This returns a locale-specific specification, not any sort of value |
| 583 corresponding to the actual background being used. If you want to know the | |
| 584 actual background color used in a particular domain, use | |
| 585 `face-background-instance', or `face-background-name' for its name | |
| 586 \(i.e. the instantiator used to create it). | |
| 587 | |
| 428 | 588 FACE may be either a face object or a symbol representing a face. |
| 589 | |
| 590 LOCALE may be a locale (the instantiators for that particular locale | |
| 591 will be returned), a locale type (the specifications for all locales | |
| 3027 | 592 of that type will be returned), `all' (all specifications will be |
| 428 | 593 returned), or nil (the actual specifier object will be returned). |
| 594 | |
| 595 See `face-property' for more information." | |
| 596 (face-property face 'background locale tag-set exact-p)) | |
| 597 | |
| 598 (defun face-background-instance (face &optional domain default no-fallback) | |
| 599 "Return the instance of FACE's background in DOMAIN. | |
| 600 | |
| 3027 | 601 Return value will be a color instance object; query its properties using |
| 602 `color-instance-name' or `color-instance-rgb-properties'. | |
| 603 | |
| 428 | 604 FACE may be either a face object or a symbol representing a face. |
| 605 | |
| 606 Normally DOMAIN will be a window or nil (meaning the selected window), | |
| 607 and an instance object describing how the background appears in that | |
| 608 particular window and buffer will be returned. | |
| 609 | |
| 610 See `face-property-instance' for more information." | |
| 611 (face-property-instance face 'background domain default no-fallback)) | |
| 612 | |
| 613 (defun face-background-name (face &optional domain default no-fallback) | |
| 614 "Return the name of FACE's background color in DOMAIN. | |
| 615 | |
| 616 FACE may be either a face object or a symbol representing a face. | |
| 617 | |
| 618 Normally DOMAIN will be a window or nil (meaning the selected window), | |
| 619 and an instance object describing how the background appears in that | |
| 620 particular window and buffer will be returned. | |
| 621 | |
| 622 See `face-property-instance' for more information." | |
| 623 (color-instance-name (face-background-instance | |
| 624 face domain default no-fallback))) | |
| 625 | |
| 626 (defun set-face-background (face color &optional locale tag-set how-to-add) | |
| 627 "Change the background color of FACE to COLOR in LOCALE. | |
| 628 | |
| 629 FACE may be either a face object or a symbol representing a face. | |
| 630 | |
| 442 | 631 COLOR should be an instantiator (see `make-color-specifier'), a list of |
| 428 | 632 instantiators, an alist of specifications (each mapping a locale to |
| 633 an instantiator list), or a color specifier object. | |
| 634 | |
| 635 If COLOR is an alist, LOCALE must be omitted. If COLOR is a | |
| 3027 | 636 specifier object, LOCALE can be a locale, a locale type, `all', |
| 428 | 637 or nil; see `copy-specifier' for its semantics. Otherwise LOCALE |
| 638 specifies the locale under which the specified instantiator(s) | |
| 3027 | 639 will be added, and defaults to `global'. |
| 428 | 640 |
| 641 See `set-face-property' for more information." | |
| 642 (interactive (face-interactive "background")) | |
| 643 (set-face-property face 'background color locale tag-set how-to-add)) | |
| 644 | |
| 645 (defun face-background-pixmap (face &optional locale tag-set exact-p) | |
| 3027 | 646 "Return the background pixmap spec of FACE in LOCALE, or nil if unspecified. |
| 428 | 647 This property is only used on window system devices. |
| 648 | |
| 3027 | 649 NOTE: This returns a locale-specific specification, not any sort of value |
| 650 corresponding to the actual background pixmap being used. If you want to | |
| 651 know the actual background pixmap used in a particular domain, use | |
| 652 `face-background-pixmap-instance'. | |
| 653 | |
| 428 | 654 FACE may be either a face object or a symbol representing a face. |
| 655 | |
| 656 LOCALE may be a locale (the instantiators for that particular locale | |
| 657 will be returned), a locale type (the specifications for all locales | |
| 3027 | 658 of that type will be returned), `all' (all specifications will be |
| 428 | 659 returned), or nil (the actual specifier object will be returned). |
| 660 | |
| 661 See `face-property' for more information." | |
| 662 (face-property face 'background-pixmap locale tag-set exact-p)) | |
| 663 | |
| 664 (defun face-background-pixmap-instance (face &optional domain default | |
| 665 no-fallback) | |
| 666 "Return the instance of FACE's background pixmap in DOMAIN. | |
| 667 | |
| 3027 | 668 Return value will be an image instance object; query its properties using |
| 669 `image-instance-instantiator' (the original instantiator used to create | |
| 670 the image, which may be a complex beast -- see `make-image-specifier'), | |
| 671 `image-instance-file-name' (the file, if any, from which the image was | |
| 672 created), `image-instance-height', etc. | |
| 673 | |
| 428 | 674 FACE may be either a face object or a symbol representing a face. |
| 675 | |
| 676 Normally DOMAIN will be a window or nil (meaning the selected window), | |
| 677 and an instance object describing how the background appears in that | |
| 678 particular window and buffer will be returned. | |
| 679 | |
| 680 See `face-property-instance' for more information." | |
| 681 (face-property-instance face 'background-pixmap domain default no-fallback)) | |
| 682 | |
| 683 (defun set-face-background-pixmap (face pixmap &optional locale tag-set | |
| 684 how-to-add) | |
| 685 "Change the background pixmap of FACE to PIXMAP in LOCALE. | |
| 686 This property is only used on window system devices. | |
| 687 | |
| 688 FACE may be either a face object or a symbol representing a face. | |
| 689 | |
| 442 | 690 PIXMAP should be an instantiator (see `make-image-specifier'), a list |
| 428 | 691 of instantiators, an alist of specifications (each mapping a locale |
| 692 to an instantiator list), or an image specifier object. | |
| 693 | |
| 694 If PIXMAP is an alist, LOCALE must be omitted. If PIXMAP is a | |
| 3027 | 695 specifier object, LOCALE can be a locale, a locale type, `all', |
| 428 | 696 or nil; see `copy-specifier' for its semantics. Otherwise LOCALE |
| 697 specifies the locale under which the specified instantiator(s) | |
| 3027 | 698 will be added, and defaults to `global'. |
| 428 | 699 |
| 700 See `set-face-property' for more information." | |
| 701 (interactive (face-interactive "background-pixmap")) | |
| 702 (set-face-property face 'background-pixmap pixmap locale tag-set how-to-add)) | |
| 703 | |
| 1137 | 704 (defvar background-pixmap-file-history nil |
| 705 ;; History for `set-face-background-pixmap-file' | |
| 706 ) | |
| 707 | |
| 708 (defun set-face-background-pixmap-file (face file) | |
| 709 "Read (and set) the background pixmap of FACE from FILE. | |
| 710 This function is a simplified version of `set-face-background-pixmap', | |
| 711 designed for interactive use." | |
| 712 (interactive | |
| 713 (let* ((face (read-face-name "Set background pixmap of face: ")) | |
| 1139 | 714 (default (and (face-background-pixmap-instance face) |
|
4670
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715 (image-instance-file-name |
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716 (face-background-pixmap-instance face)))) |
| 1137 | 717 (file (read-file-name |
| 718 (format "Set background pixmap of face %s to: " | |
| 719 (symbol-name face)) | |
| 1139 | 720 nil default t nil |
| 1137 | 721 'background-pixmap-file-history))) |
| 722 (list face (if (equal file "") nil file)))) | |
| 723 (set-face-property face 'background-pixmap file)) | |
| 724 | |
|
5080
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725 (defun face-background-placement (face &optional domain default no-fallback) |
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726 "Return FACE's background placement in DOMAIN. |
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727 See `face-property-instance' for the semantics of the DOMAIN argument." |
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728 (face-property face 'background-placement domain default no-fallback)) |
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729 |
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730 (defun set-face-background-placement (face placement &optional locale tag-set |
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731 how-to-add) |
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732 "Change the background-placement property of FACE to PLACEMENT. |
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733 PLACEMENT is normally a background-placement instantiator; see |
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734 `make-face-background-placement-specifier'. |
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735 See `set-face-property' for the semantics of the LOCALE, TAG-SET, and |
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736 HOW-TO-ADD arguments." |
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737 (interactive (face-interactive "background placement")) |
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738 ;; When called non-interactively (for example via custom), PLACEMENT is |
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739 ;; expected to be a symbol. -- dvl |
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740 (unless (symbolp placement) |
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741 (setq placement (intern placement))) |
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742 (set-face-property face 'background-placement placement locale tag-set |
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743 how-to-add)) |
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744 |
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745 (defun face-background-placement-instance (face &optional domain default |
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746 no-fallback) |
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747 "Return FACE's background-placement instance in DOMAIN. |
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748 Return value will be a background-placement instance object. |
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749 |
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750 FACE may be either a face object or a symbol representing a face. |
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751 |
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752 Normally DOMAIN will be a window or nil (meaning the selected window), |
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753 and an instance object describing the background placement in that particular |
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754 window and buffer will be returned. |
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755 |
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756 See `face-property-instance' for more information." |
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757 (face-property-instance face 'background-placement domain default |
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758 no-fallback)) |
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759 |
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760 (defun face-background-placement-instance-p (object) |
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761 "Return t if OBJECT is a face-background-placement instance." |
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762 (or (eq object 'absolute) (eq object 'relative))) |
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763 |
| 428 | 764 (defun face-display-table (face &optional locale tag-set exact-p) |
| 3027 | 765 "Return the display table spec of FACE in LOCALE, or nil if unspecified.. |
| 428 | 766 |
| 3027 | 767 NOTE: This returns a locale-specific specification, not any sort of value |
| 768 corresponding to the actual display table being used. If you want to | |
| 769 know the actual display table used in a particular domain, use | |
| 770 `face-display-table-instance'. | |
| 771 | |
| 772 FACE may be either a face object or a symbol representing a face. | |
| 428 | 773 |
| 774 LOCALE may be a locale (the instantiators for that particular locale | |
| 775 will be returned), a locale type (the specifications for all locales | |
| 3027 | 776 of that type will be returned), `all' (all specifications will be |
| 428 | 777 returned), or nil (the actual specifier object will be returned). |
| 778 | |
| 779 See `face-property' for more information." | |
| 780 (face-property face 'display-table locale tag-set exact-p)) | |
| 781 | |
| 782 (defun face-display-table-instance (face &optional domain default no-fallback) | |
| 783 "Return the instance of FACE's display table in DOMAIN. | |
| 3027 | 784 |
| 785 Return value will be a vector, char table or range table; see | |
| 786 `current-display-table'. | |
| 787 | |
| 788 FACE may be either a face object or a symbol representing a face. | |
| 428 | 789 |
| 3027 | 790 Normally DOMAIN will be a window or nil (meaning the selected window), |
| 791 and the actual display table used in that particular window and buffer | |
| 792 will be returned. | |
| 793 | |
| 794 See `face-property-instance' for more information." | |
| 428 | 795 (face-property-instance face 'display-table domain default no-fallback)) |
| 796 | |
| 797 (defun set-face-display-table (face display-table &optional locale tag-set | |
| 872 | 798 how-to-add) |
| 428 | 799 "Change the display table of FACE to DISPLAY-TABLE in LOCALE. |
| 800 DISPLAY-TABLE should be a vector as returned by `make-display-table'. | |
| 801 | |
| 802 See `set-face-property' for the semantics of the LOCALE, TAG-SET, and | |
| 803 HOW-TO-ADD arguments." | |
| 804 (interactive (face-interactive "display-table")) | |
| 805 (set-face-property face 'display-table display-table locale tag-set | |
| 806 how-to-add)) | |
| 807 | |
| 808 ;; The following accessors and mutators are, IMHO, good | |
| 809 ;; implementation. Cf. with `make-face-bold'. | |
| 810 | |
| 811 (defun face-underline-p (face &optional domain default no-fallback) | |
| 812 "Return t if FACE is underlined in DOMAIN. | |
| 813 See `face-property-instance' for the semantics of the DOMAIN argument." | |
| 814 (face-property-instance face 'underline domain default no-fallback)) | |
| 815 | |
| 816 (defun set-face-underline-p (face underline-p &optional locale tag-set | |
| 872 | 817 how-to-add) |
| 428 | 818 "Change the underline property of FACE to UNDERLINE-P. |
| 819 UNDERLINE-P is normally a face-boolean instantiator; see | |
| 442 | 820 `make-face-boolean-specifier'. |
| 428 | 821 See `set-face-property' for the semantics of the LOCALE, TAG-SET, and |
| 822 HOW-TO-ADD arguments." | |
| 823 (interactive (face-interactive "underline-p" "underlined")) | |
| 824 (set-face-property face 'underline underline-p locale tag-set how-to-add)) | |
| 825 | |
| 826 (defun face-strikethru-p (face &optional domain default no-fallback) | |
| 827 "Return t if FACE is strikethru-d (i.e. struck through) in DOMAIN. | |
| 828 See `face-property-instance' for the semantics of the DOMAIN argument." | |
| 829 (face-property-instance face 'strikethru domain default no-fallback)) | |
| 830 | |
| 831 (defun set-face-strikethru-p (face strikethru-p &optional locale tag-set | |
| 872 | 832 how-to-add) |
| 428 | 833 "Change whether FACE is strikethru-d (i.e. struck through) in LOCALE. |
| 834 STRIKETHRU-P is normally a face-boolean instantiator; see | |
| 442 | 835 `make-face-boolean-specifier'. |
| 428 | 836 See `set-face-property' for the semantics of the LOCALE, TAG-SET, and |
| 837 HOW-TO-ADD arguments." | |
| 838 (interactive (face-interactive "strikethru-p" "strikethru-d")) | |
| 839 (set-face-property face 'strikethru strikethru-p locale tag-set how-to-add)) | |
| 840 | |
| 841 (defun face-highlight-p (face &optional domain default no-fallback) | |
| 842 "Return t if FACE is highlighted in DOMAIN (TTY domains only). | |
| 843 See `face-property-instance' for the semantics of the DOMAIN argument." | |
| 844 (face-property-instance face 'highlight domain default no-fallback)) | |
| 845 | |
| 846 (defun set-face-highlight-p (face highlight-p &optional locale tag-set | |
| 872 | 847 how-to-add) |
| 428 | 848 "Change whether FACE is highlighted in LOCALE (TTY locales only). |
| 849 HIGHLIGHT-P is normally a face-boolean instantiator; see | |
| 442 | 850 `make-face-boolean-specifier'. |
| 428 | 851 See `set-face-property' for the semantics of the LOCALE, TAG-SET, and |
| 852 HOW-TO-ADD arguments." | |
| 853 (interactive (face-interactive "highlight-p" "highlighted")) | |
| 854 (set-face-property face 'highlight highlight-p locale tag-set how-to-add)) | |
| 855 | |
| 856 (defun face-dim-p (face &optional domain default no-fallback) | |
| 857 "Return t if FACE is dimmed in DOMAIN. | |
| 858 See `face-property-instance' for the semantics of the DOMAIN argument." | |
| 859 (face-property-instance face 'dim domain default no-fallback)) | |
| 860 | |
| 861 (defun set-face-dim-p (face dim-p &optional locale tag-set how-to-add) | |
| 862 "Change whether FACE is dimmed in LOCALE. | |
| 863 DIM-P is normally a face-boolean instantiator; see | |
| 442 | 864 `make-face-boolean-specifier'. |
| 428 | 865 See `set-face-property' for the semantics of the LOCALE, TAG-SET, and |
| 866 HOW-TO-ADD arguments." | |
| 867 (interactive (face-interactive "dim-p" "dimmed")) | |
| 868 (set-face-property face 'dim dim-p locale tag-set how-to-add)) | |
| 869 | |
| 870 (defun face-blinking-p (face &optional domain default no-fallback) | |
| 871 "Return t if FACE is blinking in DOMAIN (TTY domains only). | |
| 872 See `face-property-instance' for the semantics of the DOMAIN argument." | |
| 873 (face-property-instance face 'blinking domain default no-fallback)) | |
| 874 | |
| 875 (defun set-face-blinking-p (face blinking-p &optional locale tag-set | |
| 872 | 876 how-to-add) |
| 428 | 877 "Change whether FACE is blinking in LOCALE (TTY locales only). |
| 878 BLINKING-P is normally a face-boolean instantiator; see | |
| 442 | 879 `make-face-boolean-specifier'. |
| 428 | 880 See `set-face-property' for the semantics of the LOCALE, TAG-SET, and |
| 881 HOW-TO-ADD arguments." | |
| 882 (interactive (face-interactive "blinking-p" "blinking")) | |
| 883 (set-face-property face 'blinking blinking-p locale tag-set how-to-add)) | |
| 884 | |
| 885 (defun face-reverse-p (face &optional domain default no-fallback) | |
| 886 "Return t if FACE is reversed in DOMAIN (TTY domains only). | |
| 887 See `face-property-instance' for the semantics of the DOMAIN argument." | |
| 888 (face-property-instance face 'reverse domain default no-fallback)) | |
| 889 | |
| 890 (defun set-face-reverse-p (face reverse-p &optional locale tag-set how-to-add) | |
| 891 "Change whether FACE is reversed in LOCALE (TTY locales only). | |
| 892 REVERSE-P is normally a face-boolean instantiator; see | |
| 442 | 893 `make-face-boolean-specifier'. |
| 428 | 894 See `set-face-property' for the semantics of the LOCALE, TAG-SET, and |
| 895 HOW-TO-ADD arguments." | |
| 896 (interactive (face-interactive "reverse-p" "reversed")) | |
| 897 (set-face-property face 'reverse reverse-p locale tag-set how-to-add)) | |
| 898 | |
| 899 | |
| 900 (defun face-property-equal (face1 face2 prop domain) | |
| 901 (equal (face-property-instance face1 prop domain) | |
| 902 (face-property-instance face2 prop domain))) | |
| 903 | |
| 904 (defun face-equal-loop (props face1 face2 domain) | |
| 905 (while (and props | |
| 906 (face-property-equal face1 face2 (car props) domain)) | |
| 907 (setq props (cdr props))) | |
| 908 (null props)) | |
| 909 | |
| 910 (defun face-equal (face1 face2 &optional domain) | |
| 911 "Return t if FACE1 and FACE2 will display in the same way in DOMAIN. | |
| 912 See `face-property-instance' for the semantics of the DOMAIN argument." | |
| 913 (if (null domain) (setq domain (selected-window))) | |
| 914 (if (not (valid-specifier-domain-p domain)) | |
| 915 (error "Invalid specifier domain")) | |
| 916 (let ((device (dfw-device domain)) | |
| 917 (common-props '(foreground background font display-table underline | |
| 3027 | 918 dim inherit)) |
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919 (win-props '(background-pixmap background-placement strikethru)) |
| 428 | 920 (tty-props '(highlight blinking reverse))) |
| 921 | |
| 922 ;; First check the properties which are used in common between the | |
| 923 ;; x and tty devices. Then, check those properties specific to | |
| 924 ;; the particular device type. | |
| 925 (and (face-equal-loop common-props face1 face2 domain) | |
| 926 (cond ((eq 'tty (device-type device)) | |
| 927 (face-equal-loop tty-props face1 face2 domain)) | |
| 872 | 928 ((console-on-window-system-p (device-console device)) |
| 428 | 929 (face-equal-loop win-props face1 face2 domain)) |
| 930 (t t))))) | |
| 931 | |
| 932 (defun face-differs-from-default-p (face &optional domain) | |
| 933 "Return t if FACE will display differently from the default face in DOMAIN. | |
| 934 See `face-property-instance' for the semantics of the DOMAIN argument." | |
| 935 (not (face-equal face 'default domain))) | |
| 936 | |
| 937 (defun try-font-name (name &optional device) | |
| 872 | 938 "Return NAME if it's a valid font name on DEVICE, else nil." |
| 428 | 939 ;; yes, name really should be here twice. |
| 940 (and name (make-font-instance name device t) name)) | |
| 941 | |
| 942 | |
| 872 | 943 |
| 944 (defcustom face-frob-from-locale-first nil | |
| 945 "*If non nil, use kludgy way of frobbing fonts suitable for non-mule | |
| 946 multi-charset environments." | |
| 947 :group 'faces | |
| 948 :type 'boolean) | |
| 949 | |
| 428 | 950 ;; This function is a terrible, disgusting hack!!!! Need to |
| 951 ;; separate out the font elements as separate face properties! | |
| 952 | |
| 953 ;; WE DEMAND LEXICAL SCOPING!!! | |
| 954 ;; WE DEMAND LEXICAL SCOPING!!! | |
| 955 ;; WE DEMAND LEXICAL SCOPING!!! | |
| 956 ;; WE DEMAND LEXICAL SCOPING!!! | |
| 957 ;; WE DEMAND LEXICAL SCOPING!!! | |
| 958 ;; WE DEMAND LEXICAL SCOPING!!! | |
| 959 ;; WE DEMAND LEXICAL SCOPING!!! | |
| 960 ;; WE DEMAND LEXICAL SCOPING!!! | |
| 961 ;; WE DEMAND LEXICAL SCOPING!!! | |
| 962 ;; WE DEMAND LEXICAL SCOPING!!! | |
| 963 ;; WE DEMAND LEXICAL SCOPING!!! | |
| 964 ;; WE DEMAND LEXICAL SCOPING!!! | |
| 965 ;; WE DEMAND LEXICAL SCOPING!!! | |
| 966 ;; WE DEMAND LEXICAL SCOPING!!! | |
| 967 ;; WE DEMAND LEXICAL SCOPING!!! | |
| 872 | 968 |
| 969 ;; When we are initializing a device, it won't be selected; we communicate | |
| 970 ;; the device to consider as selected using this variable. | |
| 971 (defvar Face-frob-property-device-considered-current nil) | |
| 428 | 972 |
| 872 | 973 (defun Face-frob-property (face locale tag-set exact-p |
| 974 unfrobbed-face frobbed-face | |
| 975 win-prop tty-props | |
| 976 frob-mapping standard-face-mapping) | |
| 977 ;; implement the semantics of `make-face-bold' et al. FACE, LOCALE, TAG-SET | |
| 978 ;; and EXACT-P are as in that call. UNFROBBED-FACE and FROBBED-FACE are | |
| 979 ;; what we expect the original face and the result to look like, | |
| 980 ;; respectively. TTY-PROPS is a list of face properties to frob in place | |
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981 ;; of `font' for TTYs. FROB-MAPPING is either a plist mapping device |
| 872 | 982 ;; types to functions of two args (NAME DEVICE) that will frob the |
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983 ;; instantiator to NAME as appropriate for DEVICE's type (this includes |
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984 ;; TTYs #### TTYs are not passed the device, just the symbol 'tty), or a |
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985 ;; function to handle the mapping for all device types. |
| 872 | 986 ;; STANDARD-FACE-MAPPING is an alist of mappings of inheritance |
| 987 ;; instantiators to be replaced with other inheritance instantiators, meant | |
| 988 ;; for e.g. converting [bold] into [bold-italic]. | |
| 989 | |
| 990 ;; #### it would be nice if this function could be generalized to be | |
| 991 ;; a general specifier frobber. but so much of what it does is specific | |
| 992 ;; to faces -- e.g. handling of inheritance, standard faces, | |
| 993 ;; special-casing in various ways for tty's, etc. i've already extracted | |
| 994 ;; as much of the functionality as i can into subfunctions in the | |
| 995 ;; heuristic section of specifier.el. | |
| 442 | 996 |
| 872 | 997 ;; #### Note: The old code was totally different (and there was much less |
| 998 ;; of it). It didn't bother with trying to frob all the instantiators, | |
| 999 ;; or handle inheritance vectors as instantiators, or do something | |
| 1000 ;; sensible with buffer locales, or many other things. (It always, or | |
| 1001 ;; usually, did a specifier-instance and frobbed the result.) But it did | |
| 1002 ;; do three things we don't: | |
| 1003 ;; | |
| 1004 ;; (1) Map over all devices when processing global or buffer locales. | |
| 1005 ;; Should we be doing this in stages 2 and/or 3? The fact that we | |
| 1006 ;; now process all fallback instantiators seems to make this less | |
| 1007 ;; necessary, at least for global locales. | |
| 1008 ;; | |
| 1009 ;; (2) Remove all instantiators tagged with `default' when putting the | |
| 1010 ;; instantiators back. I don't see why this is necessary, but maybe | |
| 1011 ;; it is. | |
| 1012 ;; | |
| 1013 ;; (3) Pay attention to the face-frob-from-locale-first variable. #### | |
| 1014 ;; I don't understand its purpose. Undocumented hacks like this, | |
| 1015 ;; clearly added after-the-fact, don't deserve to live. DOCUMENT | |
| 1016 ;; THIS SHIT! | |
| 428 | 1017 |
| 872 | 1018 (flet |
| 1019 ( | |
| 1020 | |
| 1021 ;; non-nil if either instantiator non-nil, or nil instantiators allowed. | |
| 1022 (nil-instantiator-ok (inst devtype-spec) | |
| 1023 (or inst (eq devtype-spec 'tty))) | |
| 1024 | |
| 1025 ;; if LOCALE is a global locale (all, nil, global), return 'global, | |
| 1026 ;; else nil. | |
| 1027 (global-locale (locale) | |
| 1028 (and (memq locale '(all nil global)) 'global)) | |
| 444 | 1029 |
| 872 | 1030 ;; Given a locale and the inst-list from that locale, frob the |
| 1031 ;; instantiators according to FROB-MAPPING, a plist mapping device | |
| 1032 ;; types to functions that frob instantiators of that device type. | |
| 1033 ;; NOTE: TAG-SET and FROB-MAPPING from environment. | |
| 1034 (frob-face-inst-list (locale inst-list prop devtype-spec) | |
| 1035 (let* ((ffpdev Face-frob-property-device-considered-current) | |
| 1036 (results | |
| 1037 ;; for each inst-pair, frob it (the result will be 0 or | |
| 1038 ;; more inst-pairs; we may get more than one if, e.g. the | |
| 1039 ;; instantiator specifies inheritance and we expand the | |
| 1040 ;; inheritance); then nconc the results together | |
| 1041 (loop for (tag-set . x) in inst-list | |
| 1042 for devtype = (derive-device-type-from-locale-and-tag-set | |
| 1043 locale tag-set devtype-spec ffpdev) | |
| 1044 ;; devtype may be nil if it fails to match DEVTYPE-SPEC | |
| 1045 if devtype | |
| 3360 | 1046 if (let* ((mapper |
| 1047 (cond ((functionp frob-mapping) frob-mapping) | |
| 1048 ((plist-get frob-mapping devtype)) | |
| 1049 (t (error 'unimplemented "mapper" devtype)))) | |
| 872 | 1050 (result |
| 1051 (cond | |
| 1052 ;; if a vector ... | |
| 1053 ((vectorp x) | |
| 1054 (let ((change-to | |
| 1055 (cdr (assoc x standard-face-mapping)))) | |
| 1056 (cond | |
| 1057 ;; (1) handle standard mappings/null vectors | |
| 1058 ((or change-to (null (length x))) | |
| 1059 (list (cons tag-set | |
| 1060 (cond ((eq change-to t) x) | |
| 1061 (change-to) | |
| 1062 (t x))))) | |
| 1063 ;; (2) inheritance vectors. retrieve the | |
| 1064 ;; inherited value and recursively frob. | |
| 1065 ;; stick the tag-set into the result. | |
| 1066 (t (let* | |
| 1067 ((subprop | |
| 1068 (if (> (length x) 1) (elt x 1) | |
| 1069 prop)) | |
| 1070 (subinsts | |
| 1071 (frob-face-inst-list | |
| 1072 locale | |
| 1073 (cdar | |
| 1074 (specifier-spec-list | |
| 1075 (face-property (elt x 0) | |
| 1076 subprop))) | |
| 1077 subprop devtype-spec))) | |
| 1078 ;; #### we don't currently handle | |
| 1079 ;; the "reverse the sense" flag on | |
| 1080 ;; tty inheritance vectors. | |
| 1081 (add-tag-to-inst-list subinsts | |
| 1082 tag-set)))))) | |
| 1083 ;; (3) not a vector. just process it. | |
| 1084 (t | |
| 1085 (let ((value | |
| 1086 (if (eq devtype-spec 'tty) | |
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1087 ;; #### not quite right but need |
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1088 ;; two args to match documentation |
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1089 ;; mostly we just ignore TTYs so |
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1090 ;; for now just pass the devtype |
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1091 (funcall mapper x 'tty) |
| 872 | 1092 (funcall mapper x |
| 1093 (derive-domain-from-locale | |
| 1094 locale devtype-spec | |
| 1095 ffpdev))))) | |
| 1096 (and (nil-instantiator-ok value devtype-spec) | |
| 1097 (list (cons tag-set value)))))))) | |
| 1098 ;; if we're adding to a tty, we need to tag our | |
| 1099 ;; additions with `tty'; see [note 1] below. we leave | |
| 1100 ;; the old spec in place, however -- if e.g. we're | |
| 1101 ;; italicizing a font that was always set to be | |
| 1102 ;; underlined, even on window systems, then we still | |
| 1103 ;; want the underline there. unless we put the old | |
| 1104 ;; spec back, the underline will disappear, since | |
| 1105 ;; the new specs are all tagged with `tty'. this | |
| 1106 ;; doesn't apply to the [note 1] situations below | |
| 1107 ;; because there we're just adding, not substituting. | |
| 1108 (if (and (eq 'tty devtype-spec) | |
| 1109 (not (or (eq 'tty tag-set) | |
| 1110 (memq 'tty tag-set)))) | |
| 1111 (nconc (add-tag-to-inst-list result 'tty) | |
| 1112 (list (cons tag-set x))) | |
| 1113 result)) | |
| 1114 nconc it))) | |
| 1115 (delete-duplicates results :test #'equal))) | |
| 428 | 1116 |
| 872 | 1117 ;; Frob INST-LIST, which came from LOCALE, and put the new value back |
| 1118 ;; into SP at LOCALE. THUNK is a cons of (PROP . DEVTYPE-SPEC), the | |
| 1119 ;; property being processed and whether this is a TTY property or a | |
| 1120 ;; win property. | |
| 1121 (frob-locale (sp locale inst-list thunk) | |
| 1122 (let ((newinst (frob-face-inst-list locale inst-list | |
| 1123 (car thunk) (cdr thunk)))) | |
| 1124 (remove-specifier sp locale tag-set exact-p) | |
| 1125 (add-spec-list-to-specifier sp (list (cons locale newinst)))) | |
| 1126 ;; map-specifier should keep going | |
| 1127 nil) | |
| 428 | 1128 |
| 872 | 1129 ;; map over all specified locales in LOCALE; for each locale, |
| 1130 ;; frob the instantiators in that locale in the specifier in both | |
| 1131 ;; WIN-PROP and TTY-PROPS in FACE. Takes values from environment. | |
| 1132 (map-over-locales (locale) | |
| 1133 (map-specifier (get face win-prop) #'frob-locale locale | |
| 1134 (cons win-prop 'window-system) | |
| 1135 tag-set exact-p) | |
| 1136 (loop for prop in tty-props do | |
| 1137 (map-specifier (get face prop) #'frob-locale locale | |
| 1138 (cons prop 'tty) | |
| 1139 tag-set exact-p))) | |
| 1140 | |
| 1141 ;; end of flets | |
| 1142 ) | |
| 1143 | |
| 1144 ;; the function itself | |
| 452 | 1145 |
| 872 | 1146 (let* ((ffpdev Face-frob-property-device-considered-current) |
| 1147 (do-later-stages | |
| 1148 (or (global-locale locale) | |
| 1149 (valid-specifier-domain-p locale) | |
| 1150 (bufferp locale))) | |
| 1151 (domain (and do-later-stages | |
| 1152 (derive-domain-from-locale locale 'window-system | |
| 1153 ffpdev))) | |
| 1154 (check-differences | |
| 1155 (and unfrobbed-face frobbed-face domain | |
| 1156 (not (memq (face-name face) | |
| 1157 '(default bold italic bold-italic))))) | |
| 1158 (orig-instance | |
| 1159 (and check-differences | |
| 1160 (face-property-instance face win-prop domain)))) | |
| 1161 | |
| 1162 ;; first do the frobbing | |
| 1163 (setq face (get-face face)) | |
| 1164 (map-over-locales locale) | |
| 1165 | |
| 1166 (when do-later-stages | |
| 1167 | |
| 1168 (if (global-locale locale) (setq locale 'global)) | |
| 428 | 1169 |
| 872 | 1170 ;; now do the second stage -- if there's nothing there, try |
| 1171 ;; harder to find an instantiator, and frob it. | |
| 1172 (let (do-something) | |
| 1173 (loop for prop in (cons win-prop tty-props) | |
| 1174 for propspec = (get face prop) | |
| 1175 for devtype-spec = (if (eq prop win-prop) 'window-system 'tty) | |
| 1176 if propspec | |
| 1177 do | |
| 1178 (or (specifier-spec-list propspec locale) | |
| 1179 (let ((doit (derive-specifier-specs-from-locale | |
| 1180 propspec locale devtype-spec ffpdev | |
| 1181 ;; #### does this make sense? When no tags | |
| 1182 ;; given, frob the whole list of fallbacks when | |
| 1183 ;; global, else just retrieve a current-device | |
| 1184 ;; value. this tries to mirror normal practices, | |
| 1185 ;; where with no tags you want everything frobbed, | |
| 1186 ;; but with a tag you want only the tag frobbed | |
| 1187 ;; and hence you probably don't want lots and lots | |
| 1188 ;; of items there. (#### Perhaps the best way -- | |
| 1189 ;; or at least a way with some theoretical | |
| 1190 ;; justifiability -- is to fetch the fallbacks | |
| 1191 ;; that match the TAG-SET/EXACT-P, and if none, | |
| 1192 ;; fall back onto doing the selected-device | |
| 1193 ;; trick.) | |
| 1194 (and (not tag-set) (not exact-p))))) | |
| 1195 (if (and (not doit) (eq locale 'global)) | |
| 1196 (error | |
| 1197 "No fallback for specifier property %s in face %s???" | |
| 1198 prop face)) | |
| 1199 ;; [note 1] whenever we add to a tty property, | |
| 1200 ;; make sure we tag our additions with `tty' to | |
| 1201 ;; avoid accidentally messing things up on window | |
| 1202 ;; systems (e.g. when making things italic we | |
| 1203 ;; don't want to set the underline property on | |
| 1204 ;; window systems) | |
| 1205 (when doit | |
| 1206 (add-spec-list-to-specifier | |
| 1207 propspec | |
| 1208 (list (cons locale | |
| 1209 (add-tag-to-inst-list | |
| 1210 doit | |
| 1211 (append (if (listp tag-set) tag-set | |
| 1212 (list tag-set)) | |
| 1213 (if (eq devtype-spec 'tty) '(tty))) | |
| 1214 )))) | |
| 1215 (setq do-something t))))) | |
| 1216 (when do-something | |
| 1217 (map-over-locales (or (global-locale locale) locale)))) | |
| 1218 | |
| 1219 ;; then do the third stage -- check for whether we have to do | |
| 1220 ;; the inheritance trick. | |
| 1221 | |
| 1222 (when (and check-differences | |
| 1223 (let ((new-instance | |
| 1224 (face-property-instance face win-prop domain))) | |
| 1225 (and | |
| 1226 (equal orig-instance new-instance) | |
| 1227 (equal orig-instance | |
| 1228 (face-property-instance unfrobbed-face win-prop | |
| 1229 domain))))) | |
| 1230 (set-face-property face win-prop (vector frobbed-face) | |
| 1231 (or (global-locale locale) locale) tag-set)))))) | |
| 428 | 1232 |
| 707 | 1233 ;; WE DEMAND FOUNDRY FROBBING! |
| 1234 | |
| 1235 ;; Family frobbing | |
| 1236 ;; Thx Jan Vroonhof, Ref xemacs-beta <87oflypbum.fsf@petteflet.ntlworld.com> | |
| 1237 ;; Brainlessly derived from make-face-size by Stephen; don't blame Jan. | |
| 1238 ;; I'm long since flown to Rio, it does you little good to blame me, either. | |
| 872 | 1239 (defun make-face-family (face family &optional locale tags exact-p) |
| 1240 "Set FACE's family to FAMILY in LOCALE, if possible." | |
| 1241 (interactive (list (read-face-name "Set family of which face: ") | |
| 1242 (read-string "Family to set: "))) | |
| 707 | 1243 |
| 872 | 1244 (Face-frob-property face locale tags exact-p |
| 1245 nil nil 'font nil | |
|
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1246 ;; #### this code is duplicated in make-face-size |
| 872 | 1247 `(lambda (f d) |
|
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1248 ;; keep the dependency on font.el for now |
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1249 ;; #### The filter on null d is a band-aid. |
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1250 ;; Frob-face-property should not be passing in |
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1251 ;; null devices. |
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1252 (unless (or (null d) (eq d 'tty)) |
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1253 (let ((fo (font-create-object f d))) |
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1254 (set-font-family fo ,family) |
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1255 (font-create-name fo d)))) |
| 872 | 1256 nil)) |
| 707 | 1257 |
| 1258 ;; Style (ie, typographical face) frobbing | |
| 872 | 1259 (defun make-face-bold (face &optional locale tags exact-p) |
| 428 | 1260 "Make FACE bold in LOCALE, if possible. |
| 872 | 1261 This will attempt to make the font bold for window-system locales and will |
| 1262 set the highlight flag for TTY locales. | |
| 1263 | |
| 1264 The actual behavior of this function is somewhat messy, in an attempt to | |
| 1265 get more intuitive behavior in quite a lot of different circumstances. (You | |
| 1266 might view this as indicative of design failures with specifiers, but in | |
| 1267 fact almost all code that attempts to interface to humans and produce | |
| 1268 \"intuitive\" results gets messy, particularly with a system as complicated | |
| 1269 as specifiers, whose complexity results from an attempt to work well in | |
| 1270 many different circumstances.) | |
| 1271 | |
| 1272 The meaning of LOCALE is the same as for `specifier-spec-list', i.e.: | |
| 1273 | |
| 1274 -- If LOCALE is nil, omitted, or `all', this will attempt to \"frob\" all | |
| 1275 font specifications for FACE to make them appear bold (i.e. the | |
| 1276 specifications are replaced with equivalent specifications, where the | |
| 1277 font names have been changed to the closest bold font). | |
| 1278 | |
| 1279 -- If LOCALE is a locale type \(`buffer', `window', etc.), this frobs all | |
| 1280 font specifications for locales of that type. | |
| 1281 | |
| 1282 -- If LOCALE is a particular locale, this frobs all font specifications for | |
| 1283 that locale. | |
| 428 | 1284 |
| 872 | 1285 If TAGS is given, this only processes instantiators whose tag set includes |
| 1286 all tags mentioned in TAGS. In addition, if EXACT-P is non-nil, only | |
| 1287 instantiators whose tag set exactly matches TAGS are processed; otherwise, | |
| 1288 additional tags may be present in the instantiator's tag set. | |
| 1289 | |
| 1290 This function proceeeds in three stages. | |
| 1291 | |
| 1292 STAGE 1: Frob the settings that are already present. | |
| 1293 STAGE 2: (if called for) Ensure that *some* setting exists in the locale | |
| 1294 that was given, finding it in various ways and frobbing it as in | |
| 1295 stage 1. This ensures that there is an actual setting for | |
| 1296 the locale, so you will get the expected buffer-local/frame-local | |
| 1297 behavior -- changes to the global value, to other locales, won't | |
| 1298 affect this locale, (b) the face will actually look bold in | |
| 1299 the locale. | |
| 1137 | 1300 STAGE 3: (if called for) |
| 872 | 1301 |
| 1302 The way the frobbing works depends on the device type -- first on whether | |
| 1303 or not it's TTY, and second, if it's a window-system device type, on which | |
| 1304 particular window-system device type. For locales with a specific device | |
| 1305 type, we do the frobbing in the context of that device type -- this means | |
| 1306 that for TTY device types we set the highlight flag, and for window-system | |
| 1307 device types we modify the font spec according to the rules for font specs | |
| 1308 of that device type. For global locales, we may process both the highlight | |
| 1309 flag and the font specs (depending on the device types compiled into this | |
| 1310 XEmacs). When processing font specs, we check the tag set associated with | |
| 1311 each font spec to see if it's specific to a particular device type; if so, | |
| 1312 we frob it in the context of that type, else we use the type of the current | |
| 1313 device. (A hack, but works well in practice -- and if a new device is | |
| 1314 created, we will automatically frob all the standard fonts to make sure | |
| 1315 they display OK on that device.) | |
| 1316 | |
| 1317 If LOCALE is not a locale type, and both TAGS and EXACT-P are omitted, we | |
| 1318 do further frobbing in an attempt to give more intuitive behavior. | |
| 428 | 1319 |
| 872 | 1320 First, if there are no specifications in LOCALE (if LOCALE is `all', we act |
| 1321 as if it were `global' for this step), we do our utmost to put a | |
| 1322 specification there; otherwise, this function will have no effect. For | |
| 1323 device, frame, or window locales, the face's font is instantiated using the | |
| 1324 locale as a domain, and the resulting font is frobbed and added back as a | |
| 1325 specification for this locale. If LOCALE is `global', we retrieve the | |
| 1326 fallback specs and frob them. If LOCALE is a buffer, things get tricky | |
| 1327 since you can't instantiate a specifier in a buffer domain \(the buffer can | |
| 1328 appear in multiple places, or in different places over time, so this | |
| 1329 operation is not well-defined). We used to signal an error in this case, | |
| 1330 but now we instead try to do something logical so that we work somewhat | |
| 1331 similarly to buffer-local variables. Specifically, we use | |
| 1332 `get-buffer-window' to find a window viewing the buffer, and if there is | |
| 1333 one, use this as a domain to instantiate the font, and frob the resulting | |
| 1334 value. Otherwise, we use the selected window for the same purpose. | |
| 1335 | |
| 1336 Finally, if the frobbing didn't actually make the font look any different | |
| 1337 in whatever domain we instantiated the font in (this happens, for example, | |
| 1338 if your font specification is already bold or has no bold equivalent; note | |
| 1339 that in this step, we use the selected device in place of `global' or `all' | |
| 1340 -- another hack, but works well in practice since there's usually only one | |
| 1341 device), and the font currently looks like the font of the `default' face, | |
| 1342 it is set to inherit from the `bold' face. | |
| 1343 | |
| 1344 NOTE: For the other functions defined below, the identity of these two | |
| 1345 standard faces mentioned in the previous paragraph, and the TTY properties | |
| 1346 that are modified, may be different, and whether the TTY property or | |
| 1347 properties are set or unset may be different. For example, for | |
| 1348 `make-face-unitalic', the last sentence in the previous paragraph would | |
| 1349 read \"... and the font currently looks like the font of the `italic' face, | |
| 1350 it is set to inherit from the `default' face.\", and the second sentence in | |
| 1351 the first paragraph would read \"This will attempt to make the font | |
| 1352 non-italic for window-system locales and will unset the underline flag for | |
| 1353 TTY locales.\" | |
| 1354 | |
| 1355 Here's a table indicating the behavior differences with the different | |
| 1356 functions: | |
| 1357 | |
| 1358 function face1 face2 tty-props tty-val | |
| 1359 ---------------------------------------------------------------------------- | |
| 1360 make-face-bold default bold highlight t | |
| 1361 make-face-italic default italic underline t | |
| 1362 make-face-bold-italic default bold-italic highlight,underline t | |
| 1363 make-face-unbold bold default highlight nil | |
| 1364 make-face-unitalic italic default underline nil | |
| 1365 " | |
| 428 | 1366 (interactive (list (read-face-name "Make which face bold: "))) |
| 872 | 1367 (Face-frob-property face locale tags exact-p |
| 1368 'default 'bold 'font '(highlight) | |
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1369 '(tty (lambda (f d) t) |
| 872 | 1370 x x-make-font-bold |
| 1371 gtk gtk-make-font-bold | |
| 1372 mswindows mswindows-make-font-bold | |
| 1373 msprinter mswindows-make-font-bold) | |
| 1374 '(([default] . [bold]) | |
| 1375 ([bold] . t) | |
| 1376 ([italic] . [bold-italic]) | |
| 1377 ([bold-italic] . t)))) | |
| 428 | 1378 |
| 872 | 1379 (defun make-face-italic (face &optional locale tags exact-p) |
| 428 | 1380 "Make FACE italic in LOCALE, if possible. |
| 442 | 1381 This will attempt to make the font italic for X/MS Windows locales and |
| 1382 will set the underline flag for TTY locales. See `make-face-bold' for | |
| 1383 the semantics of the LOCALE argument and for more specifics on exactly | |
| 1384 how this function works." | |
| 428 | 1385 (interactive (list (read-face-name "Make which face italic: "))) |
| 872 | 1386 (Face-frob-property face locale tags exact-p |
| 1387 'default 'italic 'font '(underline) | |
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1388 '(tty (lambda (f d) t) |
| 872 | 1389 x x-make-font-italic |
| 1390 gtk gtk-make-font-italic | |
| 1391 mswindows mswindows-make-font-italic | |
| 1392 msprinter mswindows-make-font-italic) | |
| 1393 '(([default] . [italic]) | |
| 1394 ([bold] . [bold-italic]) | |
| 1395 ([italic] . t) | |
| 1396 ([bold-italic] . t)))) | |
| 428 | 1397 |
| 872 | 1398 (defun make-face-bold-italic (face &optional locale tags exact-p) |
| 428 | 1399 "Make FACE bold and italic in LOCALE, if possible. |
| 442 | 1400 This will attempt to make the font bold-italic for X/MS Windows |
| 1401 locales and will set the highlight and underline flags for TTY | |
| 1402 locales. See `make-face-bold' for the semantics of the LOCALE | |
| 1403 argument and for more specifics on exactly how this function works." | |
| 428 | 1404 (interactive (list (read-face-name "Make which face bold-italic: "))) |
| 872 | 1405 (Face-frob-property face locale tags exact-p |
| 1406 'default 'bold-italic 'font '(underline highlight) | |
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1407 '(tty (lambda (f d) t) |
| 872 | 1408 x x-make-font-bold-italic |
| 1409 gtk gtk-make-font-bold-italic | |
| 1410 mswindows mswindows-make-font-bold-italic | |
| 1411 msprinter mswindows-make-font-bold-italic) | |
| 1412 '(([default] . [italic]) | |
| 1413 ([bold] . [bold-italic]) | |
| 1414 ([italic] . [bold-italic]) | |
| 1415 ([bold-italic] . t)))) | |
| 428 | 1416 |
| 872 | 1417 |
| 1418 (defun make-face-unbold (face &optional locale tags exact-p) | |
| 428 | 1419 "Make FACE non-bold in LOCALE, if possible. |
| 442 | 1420 This will attempt to make the font non-bold for X/MS Windows locales |
| 1421 and will unset the highlight flag for TTY locales. See | |
| 1422 `make-face-bold' for the semantics of the LOCALE argument and for more | |
| 1423 specifics on exactly how this function works." | |
| 428 | 1424 (interactive (list (read-face-name "Make which face non-bold: "))) |
| 872 | 1425 (Face-frob-property face locale tags exact-p |
| 1426 'bold 'default 'font '(highlight) | |
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1427 '(tty (lambda (f d) nil) |
| 872 | 1428 x x-make-font-unbold |
| 1429 gtk gtk-make-font-unbold | |
| 1430 mswindows mswindows-make-font-unbold | |
| 1431 msprinter mswindows-make-font-unbold) | |
| 1432 '(([default] . t) | |
| 1433 ([bold] . [default]) | |
| 1434 ([italic] . t) | |
| 1435 ([bold-italic] . [italic])))) | |
| 428 | 1436 |
| 872 | 1437 (defun make-face-unitalic (face &optional locale tags exact-p) |
| 428 | 1438 "Make FACE non-italic in LOCALE, if possible. |
| 442 | 1439 This will attempt to make the font non-italic for X/MS Windows locales |
| 1440 and will unset the underline flag for TTY locales. See | |
| 1441 `make-face-bold' for the semantics of the LOCALE argument and for more | |
| 1442 specifics on exactly how this function works." | |
| 428 | 1443 (interactive (list (read-face-name "Make which face non-italic: "))) |
| 872 | 1444 (Face-frob-property face locale tags exact-p |
| 1445 'italic 'default 'font '(underline) | |
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1446 '(tty (lambda (f d) nil) |
| 872 | 1447 x x-make-font-unitalic |
| 1448 gtk gtk-make-font-unitalic | |
| 1449 mswindows mswindows-make-font-unitalic | |
| 1450 msprinter mswindows-make-font-unitalic) | |
| 1451 '(([default] . t) | |
| 1452 ([bold] . t) | |
| 1453 ([italic] . [default]) | |
| 1454 ([bold-italic] . [bold])))) | |
| 428 | 1455 |
| 1456 | |
| 707 | 1457 ;; Size frobbing |
| 1458 ;; Thx Jan Vroonhof, Ref xemacs-beta <87oflypbum.fsf@petteflet.ntlworld.com> | |
| 1137 | 1459 ;; Jan had a separate helper function |
| 872 | 1460 (defun make-face-size (face size &optional locale tags exact-p) |
| 1461 "Adjust FACE to SIZE in LOCALE, if possible." | |
| 1462 (interactive (list (read-face-name "Set size of which face: ") | |
| 1463 (read-number "Size to set: " t 10))) | |
| 1464 (Face-frob-property face locale tags exact-p | |
| 1465 nil nil 'font nil | |
|
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1466 ;; #### this code is duplicated in make-face-family |
| 872 | 1467 `(lambda (f d) |
| 1468 ;; keep the dependency on font.el for now | |
|
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1469 ;; #### The filter on null d is a band-aid. |
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1470 ;; Frob-face-property should not be passing in |
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1471 ;; null devices. |
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1472 (unless (or (null d) (eq d 'tty)) |
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1473 (let ((fo (font-create-object f d))) |
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1474 (set-font-size fo ,size) |
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1475 (font-create-name fo d)))) |
| 872 | 1476 nil)) |
| 707 | 1477 |
| 428 | 1478 ;; Why do the following two functions lose so badly in so many |
| 1479 ;; circumstances? | |
| 1480 | |
| 872 | 1481 (defun make-face-smaller (face &optional locale tags exact-p) |
| 428 | 1482 "Make the font of FACE be smaller, if possible. |
| 1483 LOCALE works as in `make-face-bold' et al., but the ``inheriting- | |
| 1484 from-the-bold-face'' operations described there are not done | |
| 1485 because they don't make sense in this context." | |
| 1486 (interactive (list (read-face-name "Shrink which face: "))) | |
| 872 | 1487 (Face-frob-property face locale tags exact-p |
| 1488 nil nil 'font nil | |
| 1489 '(x x-find-smaller-font | |
| 1490 gtk gtk-find-smaller-font | |
| 1491 mswindows mswindows-find-smaller-font | |
| 1492 msprinter mswindows-find-smaller-font) | |
| 1493 nil)) | |
| 428 | 1494 |
| 872 | 1495 (defun make-face-larger (face &optional locale tags exact-p) |
| 428 | 1496 "Make the font of FACE be larger, if possible. |
| 1497 See `make-face-smaller' for the semantics of the LOCALE argument." | |
| 1498 (interactive (list (read-face-name "Enlarge which face: "))) | |
| 872 | 1499 (Face-frob-property face locale tags exact-p |
| 1500 nil nil 'font nil | |
| 1501 '(x x-find-larger-font | |
| 1502 gtk gtk-find-larger-font | |
| 1503 mswindows mswindows-find-larger-font | |
| 1504 msprinter mswindows-find-larger-font) | |
| 1505 nil)) | |
| 428 | 1506 |
| 1507 (defun invert-face (face &optional locale) | |
| 1508 "Swap the foreground and background colors of the face." | |
| 1509 (interactive (list (read-face-name "Invert face: "))) | |
| 1510 (if (valid-specifier-domain-p locale) | |
| 1511 (let ((foreface (face-foreground-instance face locale))) | |
| 1512 (set-face-foreground face (face-background-instance face locale) | |
| 1513 locale) | |
| 1514 (set-face-background face foreface locale)) | |
| 1515 (let ((forespec (copy-specifier (face-foreground face) nil locale))) | |
| 1516 (copy-specifier (face-background face) (face-foreground face) locale) | |
| 1517 (copy-specifier forespec (face-background face) locale)))) | |
| 1518 | |
| 1519 | |
| 1520 ;;; Convenience functions | |
| 1521 | |
| 1522 (defun face-ascent (face &optional domain charset) | |
| 1523 "Return the ascent of FACE in DOMAIN. | |
| 1524 See `face-property-instance' for the semantics of the DOMAIN argument." | |
| 1525 (font-ascent (face-font face) domain charset)) | |
| 1526 | |
| 1527 (defun face-descent (face &optional domain charset) | |
| 1528 "Return the descent of FACE in DOMAIN. | |
| 1529 See `face-property-instance' for the semantics of the DOMAIN argument." | |
| 1530 (font-descent (face-font face) domain charset)) | |
| 1531 | |
| 1532 (defun face-width (face &optional domain charset) | |
| 1533 "Return the width of FACE in DOMAIN. | |
| 1534 See `face-property-instance' for the semantics of the DOMAIN argument." | |
| 1535 (font-width (face-font face) domain charset)) | |
| 1536 | |
| 1537 (defun face-height (face &optional domain charset) | |
| 1538 "Return the height of FACE in DOMAIN. | |
| 1539 See `face-property-instance' for the semantics of the DOMAIN argument." | |
| 1540 (+ (face-ascent face domain charset) (face-descent face domain charset))) | |
| 1541 | |
| 1542 (defun face-proportional-p (face &optional domain charset) | |
| 1543 "Return t if FACE is proportional in DOMAIN. | |
| 1544 See `face-property-instance' for the semantics of the DOMAIN argument." | |
| 1545 (font-proportional-p (face-font face) domain charset)) | |
| 1546 | |
| 1547 | |
| 1548 ;; Functions that used to be in cus-face.el, but logically go here. | |
| 1549 | |
| 1550 (defcustom frame-background-mode nil | |
| 1551 "*The brightness of the background. | |
| 1552 Set this to the symbol dark if your background color is dark, light if | |
| 1553 your background is light, or nil (default) if you want Emacs to | |
| 1554 examine the brightness for you." | |
| 1555 :group 'faces | |
| 1556 :type '(choice (choice-item dark) | |
| 1557 (choice-item light) | |
| 1558 (choice-item :tag "Auto" nil))) | |
| 1559 | |
| 1560 ;; The old variable that many people still have in .emacs files. | |
| 1561 (define-obsolete-variable-alias 'custom-background-mode | |
| 1562 'frame-background-mode) | |
| 1563 | |
| 1564 (defun get-frame-background-mode (frame) | |
| 1565 "Detect background mode for FRAME." | |
| 1566 (let* ((color-instance (face-background-instance 'default frame)) | |
| 1567 (mode (condition-case nil | |
| 1568 (if (< (apply '+ (color-instance-rgb-components | |
| 1569 color-instance)) 65536) | |
| 1570 'dark 'light) | |
| 872 | 1571 ;; Here, we get an error on a TTY (Return value from |
| 1572 ;; color-instance-rgb-components is nil), and on the | |
| 1573 ;; initial stream device (Return value from | |
| 1574 ;; face-background-instance is nil). As we don't have a | |
| 1575 ;; good way of detecting whether a TTY is light or dark, | |
| 1576 ;; we'll guess it's dark. | |
| 428 | 1577 (error 'dark)))) |
| 1578 (set-frame-property frame 'background-mode mode) | |
| 1579 mode)) | |
| 1580 | |
| 1581 (defun extract-custom-frame-properties (frame) | |
| 1582 "Return a plist with the frame properties of FRAME used by custom." | |
| 1583 (list 'type (or (frame-property frame 'display-type) | |
| 1584 (device-type (frame-device frame))) | |
| 1585 'class (device-class (frame-device frame)) | |
| 1586 'background (or frame-background-mode | |
| 1587 (frame-property frame 'background-mode) | |
| 1588 (get-frame-background-mode frame)))) | |
| 1589 | |
| 1590 (defcustom init-face-from-resources t | |
| 1591 "If non nil, attempt to initialize faces from the resource database." | |
| 1592 :group 'faces | |
| 1593 :type 'boolean) | |
| 1594 | |
| 1595 ;; Old name, used by custom. Also, FSFmacs name. | |
| 1596 (defvaralias 'initialize-face-resources 'init-face-from-resources) | |
| 1597 | |
| 1598 ;; Make sure all custom setting are added with this tag so we can | |
| 1599 ;; identify-them | |
| 1600 (define-specifier-tag 'custom) | |
| 1601 | |
| 1602 (defun face-spec-set (face spec &optional frame tags) | |
| 1603 "Set FACE's face attributes according to the first matching entry in SPEC. | |
| 1604 If optional FRAME is non-nil, set it for that frame only. | |
| 1605 If it is nil, then apply SPEC to each frame individually. | |
| 1606 See `defface' for information about SPEC." | |
| 1607 (if frame | |
| 1608 (progn | |
| 1609 (reset-face face frame tags) | |
| 1610 (face-display-set face spec frame tags) | |
| 1611 (init-face-from-resources face frame)) | |
| 1612 (let ((frames (relevant-custom-frames))) | |
| 1613 (reset-face face nil tags) | |
| 1614 ;; This should not be needed. We only remove our own specifiers | |
| 1615 ;; (if (and (eq 'default face) (featurep 'x)) | |
| 1616 ;; (x-init-global-faces)) | |
| 1617 (face-display-set face spec nil tags) | |
| 1618 (while frames | |
| 1619 (face-display-set face spec (car frames) tags) | |
| 1620 (pop frames)) | |
| 1621 (init-face-from-resources face)))) | |
| 1622 | |
| 1623 (defun face-display-set (face spec &optional frame tags) | |
| 1624 "Set FACE to the attributes to the first matching entry in SPEC. | |
| 1625 Iff optional FRAME is non-nil, set it for that frame only. | |
| 1626 See `defface' for information about SPEC." | |
| 1627 (while spec | |
| 1628 (let ((display (caar spec)) | |
| 1629 (atts (cadar spec))) | |
| 1630 (pop spec) | |
| 1631 (when (face-spec-set-match-display display frame) | |
| 1632 ;; Avoid creating frame local duplicates of the global face. | |
| 1633 (unless (and frame (eq display (get face 'custom-face-display))) | |
| 1634 (apply 'face-custom-attributes-set face frame tags atts)) | |
| 1635 (unless frame | |
| 1636 (put face 'custom-face-display display)) | |
| 1637 (setq spec nil))))) | |
| 1638 | |
| 1639 (defvar default-custom-frame-properties nil | |
| 1640 "The frame properties used for the global faces. | |
| 442 | 1641 Frames not matching these properties should have frame local faces. |
| 428 | 1642 The value should be nil, if uninitialized, or a plist otherwise. |
| 1643 See `defface' for a list of valid keys and values for the plist.") | |
| 1644 | |
| 1645 (defun get-custom-frame-properties (&optional frame) | |
| 1646 "Return a plist with the frame properties of FRAME used by custom. | |
| 1647 If FRAME is nil, return the default frame properties." | |
| 1648 (cond (frame | |
| 1649 ;; Try to get from cache. | |
| 1650 (let ((cache (frame-property frame 'custom-properties))) | |
| 1651 (unless cache | |
| 1652 ;; Oh well, get it then. | |
| 1653 (setq cache (extract-custom-frame-properties frame)) | |
| 1654 ;; and cache it... | |
| 1655 (set-frame-property frame 'custom-properties cache)) | |
| 1656 cache)) | |
| 1657 (default-custom-frame-properties) | |
| 1658 (t | |
| 1659 (setq default-custom-frame-properties | |
| 1660 (extract-custom-frame-properties (selected-frame)))))) | |
| 1661 | |
| 1662 (defun face-spec-update-all-matching (spec display plist) | |
| 1663 "Update all entries in the face spec that could match display to | |
| 444 | 1664 have the entries from the new plist and return the new spec." |
| 428 | 1665 (mapcar |
| 1666 (lambda (e) | |
| 1667 (let ((entries (car e)) | |
| 1668 (options (cadr e)) | |
| 1669 (match t) | |
| 1670 dplist | |
| 1671 (new-options plist) | |
| 1672 ) | |
| 1673 (unless (eq display t) | |
| 1674 (mapc (lambda (arg) | |
| 1675 (setq dplist (plist-put dplist (car arg) (cadr arg)))) | |
| 1676 display)) | |
| 1677 (unless (eq entries t) | |
| 1678 (mapc (lambda (arg) | |
| 1679 (setq match (and match (eq (cadr arg) | |
| 1680 (plist-get | |
| 1681 dplist (car arg) | |
| 1682 (cadr arg)))))) | |
| 1683 entries)) | |
| 1684 (if (not match) | |
| 1685 e | |
| 1686 (while new-options | |
| 1687 (setq options | |
| 1688 (plist-put options (car new-options) (cadr new-options))) | |
| 1689 (setq new-options (cddr new-options))) | |
| 1690 (list entries options)))) | |
| 1691 (copy-sequence spec))) | |
| 444 | 1692 |
| 1693 | |
| 428 | 1694 |
| 1695 (defun face-spec-set-match-display (display &optional frame) | |
| 1696 "Return non-nil if DISPLAY matches FRAME. | |
| 1697 DISPLAY is part of a spec such as can be used in `defface'. | |
| 1698 If FRAME is nil or omitted, the selected frame is used." | |
| 1699 (if (eq display t) | |
| 1700 t | |
| 1701 (let* ((props (get-custom-frame-properties frame)) | |
| 1702 (type (plist-get props 'type)) | |
| 1703 (class (plist-get props 'class)) | |
| 1704 (background (plist-get props 'background)) | |
| 1705 (match t) | |
| 1706 (entries display) | |
| 1707 entry req options) | |
| 1708 (while (and entries match) | |
| 1709 (setq entry (car entries) | |
| 1710 entries (cdr entries) | |
| 1711 req (car entry) | |
| 1712 options (cdr entry) | |
| 1713 match (case req | |
| 1714 (type (memq type options)) | |
| 1715 (class (memq class options)) | |
| 1716 (background (memq background options)) | |
| 1717 (t (warn "Unknown req `%S' with options `%S'" | |
| 1718 req options) | |
| 1719 nil)))) | |
| 1720 match))) | |
| 1721 | |
| 1722 (defun relevant-custom-frames () | |
| 1723 "List of frames whose custom properties differ from the default." | |
| 1724 (let ((relevant nil) | |
| 1725 (default (get-custom-frame-properties)) | |
| 1726 (frames (frame-list)) | |
| 1727 frame) | |
| 1728 (while frames | |
| 1729 (setq frame (car frames) | |
| 1730 frames (cdr frames)) | |
| 1731 (unless (equal default (get-custom-frame-properties frame)) | |
| 1732 (push frame relevant))) | |
| 1733 relevant)) | |
| 1734 | |
| 1735 (defun initialize-custom-faces (&optional frame) | |
| 1736 "Initialize all custom faces for FRAME. | |
| 1737 If FRAME is nil or omitted, initialize them for all frames." | |
| 1738 (mapc (lambda (symbol) | |
| 1739 (let ((spec (or (get symbol 'saved-face) | |
| 1740 (get symbol 'face-defface-spec)))) | |
| 1741 (when spec | |
| 1742 ;; No need to init-face-from-resources -- code in | |
| 1743 ;; `init-frame-faces' does it already. | |
| 1744 (face-display-set symbol spec frame)))) | |
| 1745 (face-list))) | |
| 1746 | |
| 1747 (defun custom-initialize-frame (frame) | |
| 1748 "Initialize frame-local custom faces for FRAME if necessary." | |
| 1749 (unless (equal (get-custom-frame-properties) | |
| 1750 (get-custom-frame-properties frame)) | |
| 1751 (initialize-custom-faces frame))) | |
| 1752 | |
| 440 | 1753 (defun startup-initialize-custom-faces () |
| 1754 "Reset faces created by defface. Only called at startup. | |
| 1755 Don't use this function in your program." | |
| 1756 (when default-custom-frame-properties | |
| 1757 ;; Reset default value to the actual frame, not stream. | |
| 1758 (setq default-custom-frame-properties | |
| 1759 (extract-custom-frame-properties (selected-frame))) | |
| 1760 ;; like initialize-custom-faces but removes property first. | |
| 1761 (mapc (lambda (symbol) | |
| 1762 (let ((spec (or (get symbol 'saved-face) | |
| 1763 (get symbol 'face-defface-spec)))) | |
| 1764 (when spec | |
| 1765 ;; Reset faces created during auto-autoloads loading. | |
| 1766 (reset-face symbol) | |
| 1767 ;; And set it according to the spec. | |
| 1768 (face-display-set symbol spec nil)))) | |
| 1769 (face-list)))) | |
| 1770 | |
| 428 | 1771 |
| 1772 (defun make-empty-face (name &optional doc-string temporary) | |
| 1773 "Like `make-face', but doesn't query the resource database." | |
| 1774 (let ((init-face-from-resources nil)) | |
| 1775 (make-face name doc-string temporary))) | |
| 1776 | |
| 1777 (defun init-face-from-resources (face &optional locale) | |
| 1778 "Initialize FACE from the resource database. | |
| 3027 | 1779 If LOCALE is specified, it should be a frame, device, or `global', and |
| 428 | 1780 the face will be resourced over that locale. Otherwise, the face will |
| 1781 be resourced over all possible locales (i.e. all frames, all devices, | |
| 3027 | 1782 and `global')." |
| 428 | 1783 (cond ((null init-face-from-resources) |
| 1784 ;; Do nothing. | |
| 1785 ) | |
| 1786 ((not locale) | |
| 1787 ;; Global, set for all frames. | |
| 1788 (progn | |
| 1789 (init-face-from-resources face 'global) | |
| 1790 (let ((devices (device-list))) | |
| 1791 (while devices | |
| 1792 (init-face-from-resources face (car devices)) | |
| 1793 (setq devices (cdr devices)))) | |
| 1794 (let ((frames (frame-list))) | |
| 1795 (while frames | |
| 1796 (init-face-from-resources face (car frames)) | |
| 1797 (setq frames (cdr frames)))))) | |
| 1798 (t | |
| 1799 ;; Specific. | |
| 1800 (let ((devtype (cond ((devicep locale) (device-type locale)) | |
| 1801 ((framep locale) (frame-type locale)) | |
| 1802 (t nil)))) | |
| 1803 (cond ((or (and (not devtype) (featurep 'x)) (eq 'x devtype)) | |
| 502 | 1804 (declare-fboundp (x-init-face-from-resources face locale))) |
| 428 | 1805 ((or (not devtype) (eq 'tty devtype)) |
| 1806 ;; Nothing to do for TTYs? | |
| 1807 )))))) | |
| 1808 | |
| 1809 (defun init-device-faces (device) | |
| 1810 ;; First, add any device-local face resources. | |
| 1811 (when init-face-from-resources | |
| 1812 (loop for face in (face-list) do | |
| 1813 (init-face-from-resources face device)) | |
| 1814 ;; Then do any device-specific initialization. | |
| 1815 (cond ((eq 'x (device-type device)) | |
| 502 | 1816 (declare-fboundp (x-init-device-faces device))) |
| 462 | 1817 ((eq 'gtk (device-type device)) |
| 502 | 1818 (declare-fboundp (gtk-init-device-faces device))) |
| 428 | 1819 ((eq 'mswindows (device-type device)) |
| 502 | 1820 (declare-fboundp (mswindows-init-device-faces device))) |
| 428 | 1821 ;; Nothing to do for TTYs? |
| 1822 ) | |
| 1823 (or (eq 'stream (device-type device)) | |
| 1824 (init-other-random-faces device)))) | |
| 1825 | |
| 1826 (defun init-frame-faces (frame) | |
| 1827 (when init-face-from-resources | |
| 1828 ;; First, add any frame-local face resources. | |
| 1829 (loop for face in (face-list) do | |
| 1830 (init-face-from-resources face frame)) | |
| 1831 ;; Then do any frame-specific initialization. | |
| 1832 (cond ((eq 'x (frame-type frame)) | |
| 502 | 1833 (declare-fboundp (x-init-frame-faces frame))) |
| 462 | 1834 ((eq 'gtk (frame-type frame)) |
| 502 | 1835 (declare-fboundp (gtk-init-frame-faces frame))) |
| 428 | 1836 ((eq 'mswindows (frame-type frame)) |
| 502 | 1837 (declare-fboundp (mswindows-init-frame-faces frame))) |
| 428 | 1838 ;; Is there anything which should be done for TTY's? |
| 1839 ))) | |
| 1840 | |
| 872 | 1841 ;; Called when the first device created. |
| 428 | 1842 |
| 872 | 1843 (defun init-global-faces (device) |
| 1844 (let ((Face-frob-property-device-considered-current device)) | |
| 1845 ;; Look for global face resources. | |
| 1846 (loop for face in (face-list) do | |
| 1847 (init-face-from-resources face 'global)) | |
| 1848 ;; Further frobbing. | |
| 1849 (and (featurep 'x) (declare-fboundp (x-init-global-faces))) | |
| 1850 (and (featurep 'gtk) (declare-fboundp (gtk-init-global-faces))) | |
| 1851 (and (featurep 'mswindows) (declare-fboundp (mswindows-init-global-faces))) | |
| 462 | 1852 |
| 872 | 1853 ;; for bold and the like, make the global specification be bold etc. |
| 1854 ;; if the user didn't already specify a value. These will also be | |
| 1855 ;; frobbed further in init-other-random-faces. | |
| 1856 (unless (face-font 'bold 'global) | |
| 1857 (make-face-bold 'bold 'global)) | |
| 1858 ;; | |
| 1859 (unless (face-font 'italic 'global) | |
| 1860 (make-face-italic 'italic 'global)) | |
| 1861 ;; | |
| 428 | 1862 (unless (face-font 'bold-italic 'global) |
| 872 | 1863 (make-face-bold-italic 'bold-italic 'global) |
| 1864 (unless (face-font 'bold-italic 'global) | |
| 1865 (copy-face 'bold 'bold-italic) | |
| 1866 (make-face-italic 'bold-italic))) | |
| 428 | 1867 |
| 872 | 1868 (when (face-equal 'bold 'bold-italic device) |
| 1869 (copy-face 'italic 'bold-italic) | |
| 1870 (make-face-bold 'bold-italic)))) | |
| 428 | 1871 |
| 1872 | |
| 1873 ;; These warnings are there for a reason. Just specify your fonts | |
| 1874 ;; correctly. Deal with it. Additionally, one can use | |
| 1875 ;; `log-warning-minimum-level' instead of this. | |
| 1876 ;(defvar inhibit-font-complaints nil | |
| 1877 ; "Whether to suppress complaints about incomplete sets of fonts.") | |
| 1878 | |
| 1879 (defun face-complain-about-font (face device) | |
| 1880 (if (symbolp face) (setq face (symbol-name face))) | |
| 1881 ;; (if (not inhibit-font-complaints) | |
| 707 | 1882 ;; complaining for printers is generally annoying. |
| 1883 (unless (device-printer-p device) | |
| 1884 (display-warning | |
| 1885 'font | |
| 1886 (let ((default-name (face-font-name 'default device))) | |
| 1887 (format "%s: couldn't deduce %s %s version of the font | |
| 428 | 1888 %S. |
| 1889 | |
| 1890 Please specify X resources to make the %s face | |
| 1891 visually distinguishable from the default face. | |
| 1892 For example, you could add one of the following to $HOME/Emacs: | |
| 1893 | |
| 2703 | 1894 XEmacs.%s.attributeFont: -dt-*-medium-i-* |
| 428 | 1895 or |
| 2703 | 1896 XEmacs.%s.attributeForeground: hotpink\n" |
| 707 | 1897 invocation-name |
| 1898 (if (string-match "\\`[aeiouAEIOU]" face) "an" "a") | |
| 1899 face | |
| 1900 default-name | |
| 1901 face | |
| 1902 face | |
| 1903 face | |
| 1904 ))))) | |
| 428 | 1905 |
| 1906 | |
| 1907 ;; #### This is quite a mess. We should use the custom mechanism for | |
| 1908 ;; most of this stuff. Currently we don't do it, because Custom | |
| 1909 ;; doesn't use specifiers (yet.) FSF does it the Right Way. | |
| 1910 | |
| 1911 ;; For instance, the definition of `bold' should be something like | |
| 1912 ;; (defface bold ((t (:bold t))) "Bold text.") -- and `:bold t' should | |
| 1913 ;; make sure that everything works properly. | |
| 1914 | |
| 1915 (defun init-other-random-faces (device) | |
| 1916 "Initialize the colors and fonts of the bold, italic, bold-italic, | |
| 1917 zmacs-region, list-mode-item-selected, highlight, primary-selection, | |
| 1918 secondary-selection, and isearch faces when each device is created. If | |
| 1919 you want to add code to do stuff like this, use the create-device-hook." | |
| 1920 | |
| 1921 ;; try to make 'bold look different from the default on this device. | |
| 1922 ;; If that doesn't work at all, then issue a warning. | |
| 1923 (unless (face-differs-from-default-p 'bold device) | |
| 1924 (make-face-bold 'bold device) | |
| 1925 (unless (face-differs-from-default-p 'bold device) | |
| 1926 (make-face-unbold 'bold device) | |
| 1927 (unless (face-differs-from-default-p 'bold device) | |
| 1928 ;; the luser specified one of the bogus font names | |
| 1929 (face-complain-about-font 'bold device)))) | |
| 1930 | |
| 1931 ;; Similar for italic. | |
| 1932 ;; It's unreasonable to expect to be able to make a font italic all | |
| 1933 ;; the time. For many languages, italic is an alien concept. | |
| 1934 ;; Basically, because italic is not a globally meaningful concept, | |
| 440 | 1935 ;; the use of the italic face should really be obsoleted. |
| 428 | 1936 |
| 1937 ;; I disagree with above. In many languages, the concept of capital | |
| 1938 ;; letters is just as alien, and yet we use them. Italic is here to | |
| 1939 ;; stay. -hniksic | |
| 1940 | |
| 1941 ;; In a Solaris Japanese environment, there just aren't any italic | |
| 1942 ;; fonts - period. CDE recognizes this reality, and fonts | |
| 1943 ;; -dt-interface user-medium-r-normal-*-*-*-*-*-*-*-*-* don't come | |
| 1944 ;; in italic versions. So we first try to make the font bold before | |
| 1945 ;; complaining. | |
| 1946 (unless (face-differs-from-default-p 'italic device) | |
| 1947 (make-face-italic 'italic device) | |
| 1948 (unless (face-differs-from-default-p 'italic device) | |
| 1949 (make-face-bold 'italic device) | |
| 1950 (unless (face-differs-from-default-p 'italic device) | |
| 1951 (face-complain-about-font 'italic device)))) | |
| 1952 | |
| 1953 ;; similar for bold-italic. | |
| 1954 (unless (face-differs-from-default-p 'bold-italic device) | |
| 1955 (make-face-bold-italic 'bold-italic device) | |
| 1956 ;; if we couldn't get a bold-italic version, try just bold. | |
| 1957 (unless (face-differs-from-default-p 'bold-italic device) | |
| 1958 (make-face-bold 'bold-italic device) | |
| 1959 ;; if we couldn't get bold or bold-italic, then that's probably because | |
| 1960 ;; the default font is bold, so make the `bold-italic' face be unbold. | |
| 1961 (unless (face-differs-from-default-p 'bold-italic device) | |
| 1962 (make-face-unbold 'bold-italic device) | |
| 1963 (make-face-italic 'bold-italic device) | |
| 1964 (unless (face-differs-from-default-p 'bold-italic device) | |
| 1965 ;; if that didn't work, try plain italic | |
| 1966 ;; (can this ever happen? what the hell.) | |
| 1967 (make-face-italic 'bold-italic device) | |
| 1968 (unless (face-differs-from-default-p 'bold-italic device) | |
| 1969 ;; then bitch and moan. | |
| 1970 (face-complain-about-font 'bold-italic device)))))) | |
| 1971 | |
| 1972 ;; Set the text-cursor colors unless already specified. | |
| 1973 (when (and (not (eq 'tty (device-type device))) | |
| 1974 (not (face-background 'text-cursor 'global)) | |
| 1975 (face-property-equal 'text-cursor 'default 'background device)) | |
| 1976 (set-face-background 'text-cursor [default foreground] 'global | |
| 1977 nil 'append)) | |
| 1978 (when (and (not (eq 'tty (device-type device))) | |
| 1979 (not (face-foreground 'text-cursor 'global)) | |
| 1980 (face-property-equal 'text-cursor 'default 'foreground device)) | |
| 1981 (set-face-foreground 'text-cursor [default background] 'global | |
| 1982 nil 'append)) | |
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1983 |
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1984 ;; The faces buffers-tab, modeline-mousable and modeline-buffer-id all |
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1985 ;; inherit directly from modeline; they require that modeline's details be |
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1986 ;; specified, that it not use fallbacks, otherwise *they* use the general |
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1987 ;; fallback of the default face instead, which clashes with the gui |
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1988 ;; element faces. So take the modeline face information from its |
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1989 ;; fallbacks, themselves ultimately set up in faces.c: |
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1990 (loop |
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1991 for face-property in '(foreground background |
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1992 background-pixmap background-placement) |
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1993 do (when (and (setq face-property (face-property 'modeline face-property)) |
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1994 (null (specifier-instance face-property device nil t)) |
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1995 (specifier-instance face-property device)) |
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1996 (set-specifier face-property |
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Aidan Kehoe <kehoea@parhasard.net>
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1997 (or (specifier-specs (specifier-fallback |
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1998 face-property)) |
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1999 ;; This will error at startup if the |
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2000 ;; corresponding C fallback doesn't exist, |
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2001 ;; which is well and good. |
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2002 (specifier-fallback (specifier-fallback |
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2003 face-property)))))) |
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2004 nil) |
| 428 | 2005 |
| 442 | 2006 ;; New function with 20.1, suggested by Per Abrahamsen, coded by Kyle |
| 2007 ;; Jones and Hrvoje Niksic. | |
| 428 | 2008 (defun set-face-stipple (face pixmap &optional frame) |
| 2009 "Change the stipple pixmap of FACE to PIXMAP. | |
| 2010 This is an Emacs compatibility function; consider using | |
| 2011 set-face-background-pixmap instead. | |
| 2012 | |
| 2013 PIXMAP should be a string, the name of a file of pixmap data. | |
| 442 | 2014 The directories listed in the variables `x-bitmap-file-path' and |
| 2015 `mswindows-bitmap-file-path' under X and MS Windows respectively | |
| 2016 are searched. | |
| 428 | 2017 |
| 2018 Alternatively, PIXMAP may be a list of the form (WIDTH HEIGHT | |
| 2019 DATA) where WIDTH and HEIGHT are the size in pixels, and DATA is | |
| 2020 a string, containing the raw bits of the bitmap. XBM data is | |
| 2021 expected in this case, other types of image data will not work. | |
| 2022 | |
| 2023 If the optional FRAME argument is provided, change only | |
| 2024 in that frame; otherwise change each frame." | |
| 2025 (while (not (find-face face)) | |
| 446 | 2026 (setq face (wrong-type-argument 'facep face))) |
| 502 | 2027 (let ((bitmap-path |
| 2028 (ecase (console-type) | |
| 2029 (x (declare-boundp x-bitmap-file-path)) | |
| 2030 (mswindows (declare-boundp mswindows-bitmap-file-path)))) | |
| 442 | 2031 instantiator) |
| 2032 (while | |
| 2033 (null | |
| 2034 (setq instantiator | |
| 2035 (cond ((stringp pixmap) | |
| 2036 (let ((file (if (file-name-absolute-p pixmap) | |
| 2037 pixmap | |
| 2038 (locate-file pixmap bitmap-path | |
| 2039 '(".xbm" ""))))) | |
| 2040 (and file | |
| 2041 `[xbm :file ,file]))) | |
| 2042 ((and (listp pixmap) (= (length pixmap) 3)) | |
| 2043 `[xbm :data ,pixmap]) | |
| 2044 (t nil)))) | |
| 2045 ;; We're signaling a continuable error; let's make sure the | |
| 2046 ;; function `stipple-pixmap-p' at least exists. | |
| 2047 (flet ((stipple-pixmap-p (pixmap) | |
| 2048 (or (stringp pixmap) | |
| 2049 (and (listp pixmap) (= (length pixmap) 3))))) | |
| 2050 (setq pixmap (signal 'wrong-type-argument | |
| 2051 (list 'stipple-pixmap-p pixmap))))) | |
| 446 | 2052 (check-type frame (or null frame)) |
| 442 | 2053 (set-face-background-pixmap face instantiator frame))) |
| 428 | 2054 |
| 2055 | |
| 2056 ;; Create the remaining standard faces now. This way, packages that we dump | |
| 2057 ;; can reference these faces as parents. | |
| 2058 ;; | |
| 2059 ;; The default, modeline, left-margin, right-margin, text-cursor, | |
| 2060 ;; and pointer faces are created in C. | |
| 2061 | |
| 2062 (make-face 'bold "Bold text.") | |
| 2063 (make-face 'italic "Italic text.") | |
| 2064 (make-face 'bold-italic "Bold-italic text.") | |
| 2065 (make-face 'underline "Underlined text.") | |
| 2066 (or (face-differs-from-default-p 'underline) | |
| 2067 (set-face-underline-p 'underline t 'global '(default))) | |
| 735 | 2068 (make-face 'zmacs-region "Used on highlighted region between point and mark.") |
| 428 | 2069 (make-face 'isearch "Used on region matched by isearch.") |
| 2070 (make-face 'isearch-secondary "Face to use for highlighting all matches.") | |
| 2071 (make-face 'list-mode-item-selected | |
| 2072 "Face for the selected list item in list-mode.") | |
| 2073 (make-face 'highlight "Highlight face.") | |
| 2074 (make-face 'primary-selection "Primary selection face.") | |
| 2075 (make-face 'secondary-selection "Secondary selection face.") | |
| 2076 | |
| 2077 ;; Several useful color faces. | |
| 2078 (dolist (color '(red green blue yellow)) | |
| 2079 (make-face color (concat (symbol-name color) " text.")) | |
| 2080 (set-face-foreground color (symbol-name color) nil 'color)) | |
| 2081 | |
| 2082 ;; Make some useful faces. This happens very early, before creating | |
| 2083 ;; the first non-stream device. | |
| 2084 | |
| 2085 (set-face-background 'text-cursor | |
| 711 | 2086 '(((win default) . "Red3")) |
| 428 | 2087 'global) |
| 2088 | |
| 2089 ;; some older X servers don't recognize "darkseagreen2" | |
| 2090 (set-face-background 'highlight | |
| 711 | 2091 '(((win default color) . "darkseagreen2") |
| 2092 ((win default color) . "green") | |
| 2093 ((win default grayscale) . "gray53")) | |
| 428 | 2094 'global) |
| 2095 (set-face-background-pixmap 'highlight | |
| 711 | 2096 '(((win default mono) . "gray1")) |
| 428 | 2097 'global) |
| 2098 | |
| 2099 (set-face-background 'zmacs-region | |
| 711 | 2100 '(((win default color) . "gray65") |
| 2101 ((win default grayscale) . "gray65")) | |
| 428 | 2102 'global) |
| 2103 (set-face-background-pixmap 'zmacs-region | |
| 711 | 2104 '(((win default mono) . "gray3")) |
| 428 | 2105 'global) |
| 2106 | |
| 2107 (set-face-background 'list-mode-item-selected | |
| 711 | 2108 '(((win default color) . "gray68") |
| 2109 ((win default grayscale) . "gray68") | |
| 2110 ((win default mono) . [default foreground])) | |
| 428 | 2111 'global) |
| 2112 (set-face-foreground 'list-mode-item-selected | |
| 711 | 2113 '(((win default mono) . [default background])) |
| 428 | 2114 'global) |
| 2115 | |
| 2116 (set-face-background 'primary-selection | |
| 711 | 2117 '(((win default color) . "gray65") |
| 2118 ((win default grayscale) . "gray65")) | |
| 428 | 2119 'global) |
| 2120 (set-face-background-pixmap 'primary-selection | |
| 711 | 2121 '(((win default mono) . "gray3")) |
| 428 | 2122 'global) |
| 2123 | |
| 2124 (set-face-background 'secondary-selection | |
| 711 | 2125 '(((win default color) . "paleturquoise") |
| 2126 ((win default color) . "green") | |
| 2127 ((win default grayscale) . "gray53")) | |
| 428 | 2128 'global) |
| 2129 (set-face-background-pixmap 'secondary-selection | |
| 711 | 2130 '(((win default mono) . "gray1")) |
| 428 | 2131 'global) |
| 2132 | |
| 2133 (set-face-background 'isearch | |
| 711 | 2134 '(((win default color) . "paleturquoise") |
| 2135 ((win default color) . "green")) | |
| 428 | 2136 'global) |
| 2137 | |
| 2138 ;; #### This should really, I mean *really*, be converted to some form | |
| 2139 ;; of `defface' one day. | |
| 2140 (set-face-foreground 'isearch-secondary | |
| 711 | 2141 '(((win default color) . "red3")) |
| 428 | 2142 'global) |
| 2143 | |
| 2144 ;; Define some logical color names to be used when reading the pixmap files. | |
| 4222 | 2145 (and-boundp |
| 2146 'xpm-color-symbols | |
| 2147 (featurep 'xpm) | |
| 2148 (setq xpm-color-symbols | |
| 2149 (list | |
| 2150 '("foreground" (face-foreground 'default)) | |
| 2151 '("background" (face-background 'default)) | |
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2152 `("backgroundToolBarColor" |
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2153 ,(if (featurep 'x) |
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2154 '(or (x-get-resource "backgroundToolBarColor" |
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2155 "BackgroundToolBarColor" 'string |
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2156 nil nil 'warn) |
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2157 (face-background 'toolbar)) |
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2158 '(face-background 'toolbar))) |
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2159 `("foregroundToolBarColor" |
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2160 ,(if (featurep 'x) |
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2161 '(or (x-get-resource "foregroundToolBarColor" |
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2162 "ForegroundToolBarColor" 'string |
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2163 nil nil 'warn) |
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2164 (face-foreground 'toolbar)) |
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2165 '(face-foreground 'toolbar)))))) |
| 428 | 2166 |
| 2167 (when (featurep 'tty) | |
| 2168 (set-face-highlight-p 'bold t 'global '(default tty)) | |
| 2169 (set-face-underline-p 'italic t 'global '(default tty)) | |
| 2170 (set-face-highlight-p 'bold-italic t 'global '(default tty)) | |
| 2171 (set-face-underline-p 'bold-italic t 'global '(default tty)) | |
| 2172 (set-face-highlight-p 'highlight t 'global '(default tty)) | |
| 2173 (set-face-reverse-p 'text-cursor t 'global '(default tty)) | |
| 2174 (set-face-reverse-p 'modeline t 'global '(default tty)) | |
| 2175 (set-face-reverse-p 'zmacs-region t 'global '(default tty)) | |
| 2176 (set-face-reverse-p 'primary-selection t 'global '(default tty)) | |
| 2177 (set-face-underline-p 'secondary-selection t 'global '(default tty)) | |
| 2178 (set-face-reverse-p 'list-mode-item-selected t 'global '(default tty)) | |
| 2179 (set-face-reverse-p 'isearch t 'global '(default tty)) | |
| 2180 ) | |
| 2181 | |
| 2182 ;;; faces.el ends here |