Mercurial > hg > xemacs-beta
annotate lisp/x-faces.el @ 5818:15b0715c204d
Avoid passing patterns to with charset property to FcNameUnparse.
Prevents crash reported by Raymond Toy.
| author | Stephen J. Turnbull <stephen@xemacs.org> |
|---|---|
| date | Sat, 18 Oct 2014 21:20:42 +0900 |
| parents | c39052c921b5 |
| children |
| rev | line source |
|---|---|
| 428 | 1 ;;; x-faces.el --- X-specific face frobnication, aka black magic. |
| 2 | |
| 3360 | 3 ;; Copyright (C) 1992-1994, 1997, 2006 Free Software Foundation, Inc. |
| 2527 | 4 ;; Copyright (C) 1995, 1996, 2002, 2004 Ben Wing. |
| 428 | 5 |
| 6 ;; Author: Jamie Zawinski <jwz@jwz.org> | |
| 7 ;; Maintainer: XEmacs Development Team | |
| 8 ;; Keywords: extensions, internal, dumped | |
| 9 | |
| 10 ;; This file is part of XEmacs. | |
| 11 | |
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12 ;; XEmacs is free software: you can redistribute it and/or modify it |
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13 ;; under the terms of the GNU General Public License as published by the |
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14 ;; Free Software Foundation, either version 3 of the License, or (at your |
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15 ;; option) any later version. |
| 428 | 16 |
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17 ;; XEmacs is distributed in the hope that it will be useful, but WITHOUT |
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18 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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19 ;; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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20 ;; for more details. |
| 428 | 21 |
| 22 ;; You should have received a copy of the GNU General Public License | |
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23 ;; along with XEmacs. If not, see <http://www.gnu.org/licenses/>. |
| 428 | 24 |
| 25 ;;; Synched up with: Not synched. | |
| 26 | |
| 27 ;;; Commentary: | |
| 28 | |
| 29 ;; This file is dumped with XEmacs (when X support is compiled in). | |
| 30 | |
| 31 ;; Modified by: Chuck Thompson | |
| 32 ;; Modified by: Ben Wing | |
| 33 ;; Modified by: Martin Buchholz | |
| 34 | |
| 35 ;; This file does the magic to parse X font names, and make sure that the | |
| 36 ;; default and modeline attributes of new frames are specified enough. | |
| 37 | |
| 38 ;; The resource-manager syntax for faces is | |
| 39 | |
| 2703 | 40 ;; XEmacs.bold.attributeFont: font-name |
| 41 ;; XEmacs.bold.attributeForeground: fg | |
| 42 ;; XEmacs.bold.attributeBackground: bg | |
| 43 ;; XEmacs.bold.attributeBackgroundPixmap: file | |
| 44 ;; XEmacs.bold.attributeUnderline: true/false | |
| 45 ;; XEmacs.bold.attributeStrikethru: true/false | |
| 428 | 46 |
| 47 ;; You can specify the properties of a face on a per-frame basis. For | |
| 48 ;; example, to have the "isearch" face use a red foreground on frames | |
| 2703 | 49 ;; named "XEmacs" (the default) but use a blue foreground on frames that |
| 428 | 50 ;; you create named "debugger", you could do |
| 51 | |
| 2703 | 52 ;; XEmacs*XEmacs.isearch.attributeForeground: red |
| 53 ;; XEmacs*debugger.isearch.attributeForeground: blue | |
| 428 | 54 |
| 55 ;; Generally things that make faces won't set any of the face attributes if | |
| 56 ;; you have already given them values via the resource database. You can | |
| 57 ;; also change this stuff from your .emacs file, by using the functions | |
| 58 ;; set-face-foreground, set-face-font, etc. See the code in this file, and | |
| 59 ;; in faces.el. | |
| 60 | |
| 61 ;;; Code: | |
| 62 | |
| 502 | 63 (globally-declare-fboundp |
| 64 '(x-get-resource-and-maybe-bogosity-check | |
| 65 x-get-resource x-init-pointer-shape)) | |
| 66 | |
| 3354 | 67 (if (featurep 'xft-fonts) |
| 68 (require 'fontconfig) | |
| 69 (globally-declare-boundp | |
| 70 '(fc-font-name-weight-bold fc-font-name-weight-black | |
| 71 fc-font-name-weight-demibold fc-font-name-weight-medium | |
| 72 fc-font-name-slant-oblique fc-font-name-slant-italic | |
| 73 fc-font-name-slant-roman)) | |
| 74 (globally-declare-fboundp | |
| 3918 | 75 '(fc-font-match fc-pattern-del-size fc-pattern-get-size |
| 76 fc-pattern-add-size fc-pattern-del-style fc-pattern-duplicate | |
| 77 fc-copy-pattern-partial fc-pattern-add-weight fc-pattern-del-weight | |
| 78 fc-try-font fc-pattern-del-slant fc-pattern-add-slant fc-name-parse | |
| 79 fc-name-unparse fc-pattern-get-pixelsize))) | |
| 3094 | 80 |
| 428 | 81 (defconst x-font-regexp nil) |
| 82 (defconst x-font-regexp-head nil) | |
| 83 (defconst x-font-regexp-head-2 nil) | |
| 84 (defconst x-font-regexp-weight nil) | |
| 85 (defconst x-font-regexp-slant nil) | |
| 86 (defconst x-font-regexp-pixel nil) | |
| 87 (defconst x-font-regexp-point nil) | |
| 88 (defconst x-font-regexp-foundry-and-family nil) | |
| 89 (defconst x-font-regexp-registry-and-encoding nil) | |
| 90 (defconst x-font-regexp-spacing nil) | |
| 91 | |
| 92 ;;; Regexps matching font names in "Host Portable Character Representation." | |
| 3094 | 93 ;;; #### But more recently Latin-1 is permitted, and Xft needs it in C (?). |
| 428 | 94 ;;; |
| 95 (let ((- "[-?]") | |
| 96 (foundry "[^-]*") | |
| 97 (family "[^-]*") | |
| 98 (weight "\\(bold\\|demibold\\|medium\\|black\\)") ; 1 | |
| 99 ; (weight\? "\\(\\*\\|bold\\|demibold\\|medium\\|\\)") ; 1 | |
| 100 (weight\? "\\([^-]*\\)") ; 1 | |
| 101 (slant "\\([ior]\\)") ; 2 | |
| 102 ; (slant\? "\\([ior?*]?\\)") ; 2 | |
| 103 (slant\? "\\([^-]?\\)") ; 2 | |
| 104 ; (swidth "\\(\\*\\|normal\\|semicondensed\\|\\)") ; 3 | |
| 105 (swidth "\\([^-]*\\)") ; 3 | |
| 106 ; (adstyle "\\(\\*\\|sans\\|\\)") ; 4 | |
| 107 (adstyle "\\([^-]*\\)") ; 4 | |
| 108 (pixelsize "\\(\\*\\|[0-9]+\\)") ; 5 | |
| 109 (pointsize "\\(\\*\\|0\\|[0-9][0-9]+\\)") ; 6 | |
| 110 ; (resx "\\(\\*\\|[0-9][0-9]+\\)") ; 7 | |
| 111 ; (resy "\\(\\*\\|[0-9][0-9]+\\)") ; 8 | |
| 112 (resx "\\([*0]\\|[0-9][0-9]+\\)") ; 7 | |
| 113 (resy "\\([*0]\\|[0-9][0-9]+\\)") ; 8 | |
| 114 (spacing "[cmp?*]") | |
| 115 (avgwidth "\\(\\*\\|[0-9]+\\)") ; 9 | |
| 116 (registry "[^-]*") ; some fonts have omitted registries | |
| 117 ; (encoding ".+") ; note that encoding may contain "-"... | |
| 118 (encoding "[^-]+") ; false! | |
| 119 ) | |
| 120 (setq x-font-regexp | |
| 444 | 121 (concat "\\`\\*?[-?*]" |
| 122 foundry - family - weight\? - slant\? - swidth - adstyle - | |
| 123 pixelsize - pointsize - resx - resy - spacing - avgwidth - | |
| 124 registry - encoding "\\'" | |
| 125 )) | |
| 428 | 126 (setq x-font-regexp-head |
| 444 | 127 (concat "\\`[-?*]" foundry - family - weight\? - slant\? |
| 128 "\\([-*?]\\|\\'\\)")) | |
| 428 | 129 (setq x-font-regexp-head-2 |
| 444 | 130 (concat "\\`[-?*]" foundry - family - weight\? - slant\? |
| 131 - swidth - adstyle - pixelsize - pointsize | |
| 132 "\\([-*?]\\|\\'\\)")) | |
| 133 (setq x-font-regexp-slant (concat - slant -)) | |
| 134 (setq x-font-regexp-weight (concat - weight -)) | |
| 428 | 135 ;; if we can't match any of the more specific regexps (unfortunate) then |
| 136 ;; look for digits; assume 2+ digits is 10ths of points, and 1-2 digits | |
| 137 ;; is pixels. Bogus as hell. | |
| 444 | 138 (setq x-font-regexp-pixel "[-?*]\\([0-9][0-9]?\\)[-?*]") |
| 139 (setq x-font-regexp-point "[-?*]\\([0-9][0-9]+\\)[-?*]") | |
| 428 | 140 ;; the following two are used by x-font-menu.el. |
| 141 (setq x-font-regexp-foundry-and-family | |
| 444 | 142 (concat "\\`[-?*]" foundry - "\\(" family "\\)" -)) |
| 428 | 143 (setq x-font-regexp-registry-and-encoding |
| 444 | 144 (concat - "\\(" registry "\\)" - "\\(" encoding "\\)\\'")) |
| 428 | 145 (setq x-font-regexp-spacing |
| 444 | 146 (concat - "\\(" spacing "\\)" - avgwidth |
| 147 - registry - encoding "\\'")) | |
| 428 | 148 ) |
| 149 | |
| 3094 | 150 (defun x-font-xlfd-font-name-p (font) |
| 151 "Check if FONT is an XLFD font name" | |
| 152 (and (stringp font) | |
| 153 (string-match x-font-regexp font))) | |
| 154 | |
| 428 | 155 ;; A "loser font" is something like "8x13" -> "8x13bold". |
| 156 ;; These are supported only through extreme generosity. | |
| 444 | 157 (defconst x-loser-font-regexp "\\`[0-9]+x[0-9]+\\'") |
| 428 | 158 |
| 159 (defun x-frob-font-weight (font which) | |
| 160 (if (font-instance-p font) (setq font (font-instance-name font))) | |
| 161 (cond ((null font) nil) | |
| 162 ((or (string-match x-font-regexp font) | |
| 163 (string-match x-font-regexp-head font) | |
| 164 (string-match x-font-regexp-weight font)) | |
| 165 (concat (substring font 0 (match-beginning 1)) which | |
| 166 (substring font (match-end 1)))) | |
| 167 ((string-match x-loser-font-regexp font) | |
| 168 (concat font which)) | |
| 169 (t nil))) | |
| 170 | |
| 171 (defun x-frob-font-slant (font which) | |
| 172 (if (font-instance-p font) (setq font (font-instance-name font))) | |
| 173 (cond ((null font) nil) | |
| 174 ((or (string-match x-font-regexp font) | |
| 175 (string-match x-font-regexp-head font)) | |
| 176 (concat (substring font 0 (match-beginning 2)) which | |
| 177 (substring font (match-end 2)))) | |
| 178 ((string-match x-font-regexp-slant font) | |
| 179 (concat (substring font 0 (match-beginning 1)) which | |
| 180 (substring font (match-end 1)))) | |
| 181 ((string-match x-loser-font-regexp font) | |
| 182 (concat font which)) | |
| 183 (t nil))) | |
| 184 | |
| 185 (defun x-make-font-bold (font &optional device) | |
| 186 "Given an X font specification, this attempts to make a `bold' font. | |
| 187 If it fails, it returns nil." | |
| 3094 | 188 (if (featurep 'xft-fonts) |
| 189 (if (x-font-xlfd-font-name-p font) | |
| 190 (x-make-font-bold-core font device) | |
| 191 (x-make-font-bold-xft font device)) | |
| 192 (x-make-font-bold-core font device))) | |
| 193 | |
| 194 (defun x-make-font-bold-xft (font &optional device) | |
| 3360 | 195 (let ((pattern (fc-font-match (or device (default-x-device)) |
| 196 (fc-name-parse font)))) | |
| 3094 | 197 (if pattern |
| 198 (let ((size (fc-pattern-get-size pattern 0)) | |
| 3354 | 199 (copy (fc-copy-pattern-partial pattern (list "family")))) |
| 200 (fc-pattern-del-weight copy) | |
| 201 (fc-pattern-del-style copy) | |
| 3094 | 202 (when copy |
| 203 (or | |
| 204 ;; try bold font | |
| 205 (let ((copy-2 (fc-pattern-duplicate copy))) | |
| 3354 | 206 (fc-pattern-add-weight copy-2 fc-font-name-weight-bold) |
| 3094 | 207 (when (fc-try-font copy-2 device) |
| 3354 | 208 (fc-pattern-add-size copy-2 size) |
| 3094 | 209 (fc-name-unparse copy-2))) |
| 210 ;; try black font | |
| 211 (let ((copy-2 (fc-pattern-duplicate copy))) | |
| 3354 | 212 (fc-pattern-add-weight copy-2 fc-font-name-weight-black) |
| 3094 | 213 (when (fc-try-font copy-2 device) |
| 3354 | 214 (fc-pattern-add-size copy-2 size) |
| 3094 | 215 (fc-name-unparse copy-2))) |
| 216 ;; try demibold font | |
| 217 (let ((copy-2 (fc-pattern-duplicate copy))) | |
| 3354 | 218 (fc-pattern-add-weight copy-2 fc-font-name-weight-demibold) |
| 3094 | 219 (when (fc-try-font copy-2 device) |
| 3354 | 220 (fc-pattern-add-size copy-2 size) |
| 3094 | 221 (fc-name-unparse copy-2))))))))) |
| 222 | |
| 223 (defun x-make-font-bold-core (font &optional device) | |
| 428 | 224 ;; Certain Type1 fonts know "bold" as "black"... |
| 225 (or (try-font-name (x-frob-font-weight font "bold") device) | |
| 226 (try-font-name (x-frob-font-weight font "black") device) | |
| 227 (try-font-name (x-frob-font-weight font "demibold") device))) | |
| 228 | |
| 229 (defun x-make-font-unbold (font &optional device) | |
| 230 "Given an X font specification, this attempts to make a non-bold font. | |
| 231 If it fails, it returns nil." | |
| 3094 | 232 (if (featurep 'xft-fonts) |
| 233 (if (x-font-xlfd-font-name-p font) | |
| 234 (x-make-font-unbold-core font device) | |
| 235 (x-make-font-unbold-xft font device)) | |
| 236 (x-make-font-unbold-core font device))) | |
| 237 | |
| 238 (defun x-make-font-unbold-xft (font &optional device) | |
| 3360 | 239 (let ((pattern (fc-font-match (or device (default-x-device)) |
| 240 (fc-name-parse font)))) | |
| 3094 | 241 (when pattern |
| 3354 | 242 (fc-pattern-del-weight pattern) |
| 243 (fc-pattern-add-weight pattern fc-font-name-weight-medium) | |
| 3094 | 244 (if (fc-try-font pattern device) |
| 245 (fc-name-unparse pattern))))) | |
| 246 | |
| 247 (defun x-make-font-unbold-core (font &optional device) | |
| 428 | 248 (try-font-name (x-frob-font-weight font "medium") device)) |
| 249 | |
| 250 (defcustom try-oblique-before-italic-fonts nil | |
| 251 "*If nil, italic fonts are searched before oblique fonts. | |
| 252 If non-nil, oblique fonts are tried before italic fonts. This is mostly | |
| 253 applicable to adobe-courier fonts" | |
| 254 :type 'boolean | |
| 255 :group 'x) | |
| 256 (define-obsolete-variable-alias '*try-oblique-before-italic-fonts* | |
| 257 'try-oblique-before-italic-fonts) | |
| 258 | |
| 259 (defun x-make-font-italic (font &optional device) | |
| 260 "Given an X font specification, this attempts to make an `italic' font. | |
| 261 If it fails, it returns nil." | |
| 3094 | 262 (if (featurep 'xft-fonts) |
| 263 (if (x-font-xlfd-font-name-p font) | |
| 264 (x-make-font-italic-core font device) | |
| 265 (x-make-font-italic-xft font device)) | |
| 266 (x-make-font-italic-core font device))) | |
| 267 | |
| 268 (defun x-make-font-italic-xft (font &optional device) | |
| 3360 | 269 (let ((pattern (fc-font-match (or device (default-x-device)) |
| 270 (fc-name-parse font)))) | |
| 3094 | 271 (if pattern |
| 272 (let ((size (fc-pattern-get-size pattern 0)) | |
| 3354 | 273 (copy (fc-copy-pattern-partial pattern (list "family")))) |
| 3094 | 274 (when copy |
| 3354 | 275 (fc-pattern-del-slant copy) |
| 276 (fc-pattern-del-style copy) | |
| 277 ;; #### can't we do this with one ambiguous pattern? | |
| 3094 | 278 (let ((pattern-oblique (fc-pattern-duplicate copy)) |
| 279 (pattern-italic (fc-pattern-duplicate copy))) | |
| 3354 | 280 (fc-pattern-add-slant pattern-oblique fc-font-name-slant-oblique) |
| 281 (fc-pattern-add-slant pattern-italic fc-font-name-slant-italic) | |
| 3094 | 282 (let ((have-oblique (fc-try-font pattern-oblique device)) |
| 283 (have-italic (fc-try-font pattern-italic device))) | |
| 284 (if try-oblique-before-italic-fonts | |
| 285 (if have-oblique | |
| 286 (progn | |
| 287 (if size | |
| 3354 | 288 (fc-pattern-add-size pattern-oblique size)) |
| 3094 | 289 (fc-name-unparse pattern-oblique)) |
| 290 (if have-italic | |
| 291 (progn | |
| 292 (if size | |
| 3354 | 293 (fc-pattern-add-size pattern-italic size)) |
| 3094 | 294 (fc-name-unparse pattern-italic)))) |
| 295 (if have-italic | |
| 296 (progn | |
| 297 (if size | |
| 3354 | 298 (fc-pattern-add-size pattern-italic size)) |
| 3094 | 299 (fc-name-unparse pattern-italic)) |
| 300 (if have-oblique | |
| 301 (progn | |
| 302 (if size | |
| 3354 | 303 (fc-pattern-add-size pattern-oblique size)) |
| 3094 | 304 (fc-name-unparse pattern-oblique)))))))))))) |
| 305 | |
| 306 (defun x-make-font-italic-core (font &optional device) | |
| 428 | 307 (if try-oblique-before-italic-fonts |
| 308 (or (try-font-name (x-frob-font-slant font "o") device) | |
| 309 (try-font-name (x-frob-font-slant font "i") device)) | |
| 310 (or (try-font-name (x-frob-font-slant font "i") device) | |
| 311 (try-font-name (x-frob-font-slant font "o") device)))) | |
| 312 | |
| 313 (defun x-make-font-unitalic (font &optional device) | |
| 314 "Given an X font specification, this attempts to make a non-italic font. | |
| 315 If it fails, it returns nil." | |
| 3094 | 316 (if (featurep 'xft-fonts) |
| 317 (if (x-font-xlfd-font-name-p font) | |
| 318 (x-make-font-unitalic-core font device) | |
| 319 (x-make-font-unitalic-xft font device)) | |
| 320 (x-make-font-unitalic-core font device))) | |
| 321 | |
| 322 (defun x-make-font-unitalic-xft (font &optional device) | |
| 3360 | 323 (let ((pattern (fc-font-match (or device (default-x-device)) |
| 324 (fc-name-parse font)))) | |
| 3094 | 325 (when pattern |
| 3354 | 326 (fc-pattern-del-slant pattern) |
| 327 (fc-pattern-add-slant pattern fc-font-name-slant-roman) | |
| 3094 | 328 (if (fc-try-font pattern device) |
| 329 (fc-name-unparse pattern))))) | |
| 330 | |
| 331 (defun x-make-font-unitalic-core (font &optional device) | |
| 428 | 332 (try-font-name (x-frob-font-slant font "r") device)) |
| 333 | |
| 334 (defun x-make-font-bold-italic (font &optional device) | |
| 335 "Given an X font specification, this attempts to make a `bold-italic' font. | |
| 336 If it fails, it returns nil." | |
| 3094 | 337 (if (featurep 'xft-fonts) |
| 338 (if (x-font-xlfd-font-name-p font) | |
| 339 (x-make-font-bold-italic-core font device) | |
| 340 (x-make-font-bold-italic-xft font device)) | |
| 341 (x-make-font-bold-italic-core font device))) | |
| 342 | |
| 343 (defun x-make-font-bold-italic-xft (font &optional device) | |
| 344 (let ((italic (x-make-font-italic-xft font device))) | |
| 345 (if italic | |
| 346 (x-make-font-bold-xft italic device)))) | |
| 347 | |
| 348 (defun x-make-font-bold-italic-core (font &optional device) | |
| 428 | 349 ;; This is haired up to avoid loading the "intermediate" fonts. |
| 442 | 350 (if try-oblique-before-italic-fonts |
| 428 | 351 (or (try-font-name |
| 352 (x-frob-font-slant (x-frob-font-weight font "bold") "o") device) | |
| 353 (try-font-name | |
| 354 (x-frob-font-slant (x-frob-font-weight font "bold") "i") device) | |
| 355 (try-font-name | |
| 356 (x-frob-font-slant (x-frob-font-weight font "black") "o") device) | |
| 357 (try-font-name | |
| 358 (x-frob-font-slant (x-frob-font-weight font "black") "i") device) | |
| 359 (try-font-name | |
| 360 (x-frob-font-slant (x-frob-font-weight font "demibold") "o") device) | |
| 361 (try-font-name | |
| 362 (x-frob-font-slant (x-frob-font-weight font "demibold") "i") device)) | |
| 363 (or (try-font-name | |
| 364 (x-frob-font-slant (x-frob-font-weight font "bold") "i") device) | |
| 365 (try-font-name | |
| 366 (x-frob-font-slant (x-frob-font-weight font "bold") "o") device) | |
| 367 (try-font-name | |
| 368 (x-frob-font-slant (x-frob-font-weight font "black") "i") device) | |
| 369 (try-font-name | |
| 370 (x-frob-font-slant (x-frob-font-weight font "black") "o") device) | |
| 371 (try-font-name | |
| 372 (x-frob-font-slant (x-frob-font-weight font "demibold") "i") device) | |
| 373 (try-font-name | |
| 374 (x-frob-font-slant (x-frob-font-weight font "demibold") "o") device)))) | |
| 375 | |
| 376 (defun x-font-size (font) | |
| 377 "Return the nominal size of the given font. | |
| 378 This is done by parsing its name, so it's likely to lose. | |
| 379 X fonts can be specified (by the user) in either pixels or 10ths of points, | |
| 380 and this returns the first one it finds, so you have to decide which units | |
| 381 the returned value is measured in yourself..." | |
| 3094 | 382 (if (featurep 'xft-fonts) |
| 383 (if (x-font-xlfd-font-name-p font) | |
| 384 (x-font-size-core font) | |
| 385 (x-font-size-xft font)) | |
| 386 (x-font-size-core font))) | |
| 387 | |
| 388 ;; this is unbelievable &*@# | |
| 389 (defun x-font-size-xft (font) | |
| 3360 | 390 (let ((pattern (fc-font-match (default-x-device) |
| 391 (fc-name-parse font)))) | |
| 3094 | 392 (when pattern |
| 393 (let ((pixelsize (fc-pattern-get-pixelsize pattern 0))) | |
| 3360 | 394 (if (floatp pixelsize) (round pixelsize) pixelsize))))) |
| 3094 | 395 |
| 396 (defun x-font-size-core (font) | |
| 428 | 397 (if (font-instance-p font) (setq font (font-instance-name font))) |
| 398 (cond ((or (string-match x-font-regexp font) | |
| 399 (string-match x-font-regexp-head-2 font)) | |
| 400 (string-to-int (substring font (match-beginning 6) (match-end 6)))) | |
| 401 ((or (string-match x-font-regexp-pixel font) | |
| 402 (string-match x-font-regexp-point font)) | |
| 403 (string-to-int (substring font (match-beginning 1) (match-end 1)))) | |
| 404 (t nil))) | |
| 405 | |
| 406 ;; Given a font name, this function returns a list describing all fonts | |
| 407 ;; of all sizes that otherwise match the given font spec. Each element | |
| 408 ;; in the list is a list of three items: the pixel size of the font, | |
| 409 ;; the point size (in 1/10ths of a point) of the font, and the fully- | |
| 410 ;; qualified font name. The first two values may be zero; this | |
| 411 ;; refers to a scalable font. | |
| 412 | |
| 413 (defun x-available-font-sizes (font device) | |
| 414 (if (font-instance-p font) (setq font (font-instance-name font))) | |
| 415 (cond ((string-match x-font-regexp font) | |
| 416 ;; turn pixelsize, pointsize, and avgwidth into wildcards | |
| 417 (setq font | |
| 418 (concat (substring font 0 (match-beginning 5)) "*" | |
| 419 (substring font (match-end 5) (match-beginning 6)) "*" | |
| 420 (substring font (match-end 6) (match-beginning 9)) "*" | |
| 421 (substring font (match-end 9) (match-end 0))))) | |
| 422 ((string-match x-font-regexp-head-2 font) | |
| 423 ;; turn pixelsize and pointsize into wildcards | |
| 424 (setq font | |
| 425 (concat (substring font 0 (match-beginning 5)) "*" | |
| 426 (substring font (match-end 5) (match-beginning 6)) "*" | |
| 427 (substring font (match-end 6) (match-end 0))))) | |
| 428 ((string-match "[-?*]\\([0-9]+\\)[-?*]" font) | |
| 429 ;; Turn the first integer we match into a wildcard. | |
| 430 ;; This is pretty dubious... | |
| 431 (setq font | |
| 432 (concat (substring font 0 (match-beginning 1)) "*" | |
| 433 (substring font (match-end 1) (match-end 0)))))) | |
| 434 (sort | |
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435 (mapcan (function |
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436 (lambda (name) |
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437 (and (string-match x-font-regexp name) |
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438 (list |
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439 (list |
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440 (string-to-int (substring name (match-beginning 5) |
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441 (match-end 5))) |
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442 (string-to-int (substring name (match-beginning 6) |
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443 (match-end 6))) |
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444 name))))) |
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445 (font-list font device)) |
| 428 | 446 (function (lambda (x y) (if (= (nth 1 x) (nth 1 y)) |
| 447 (< (nth 0 x) (nth 0 y)) | |
| 448 (< (nth 1 x) (nth 1 y))))))) | |
| 449 | |
| 450 ;; Given a font name, this attempts to construct a valid font name for | |
| 451 ;; DEVICE whose size is the next smaller (if UP-P is nil) or larger | |
| 452 ;; (if UP-P is t) size and whose other characteristics are the same | |
| 453 ;; as the given font. | |
| 454 | |
| 455 (defun x-frob-font-size (font up-p device) | |
| 456 (if (stringp font) (setq font (make-font-instance font device))) | |
| 457 (if (font-instance-p font) (setq font (font-instance-truename font))) | |
| 458 (let ((available (and font | |
| 459 (x-available-font-sizes font device)))) | |
| 460 (cond | |
| 461 ((null available) nil) | |
| 462 ((or (= 0 (nth 0 (car available))) | |
| 463 (= 0 (nth 1 (car available)))) | |
| 464 ;; R5 scalable fonts: change size by 1 point. | |
| 465 ;; If they're scalable the first font will have pixel or point = 0. | |
| 466 ;; Sometimes one is 0 and the other isn't (if it's a bitmap font that | |
| 467 ;; can be scaled), sometimes both are (if it's a true outline font). | |
| 468 (let ((name (nth 2 (car available))) | |
| 469 old-size) | |
| 470 (or (string-match x-font-regexp font) (error "can't parse %S" font)) | |
| 471 (setq old-size (string-to-int | |
| 472 (substring font (match-beginning 6) (match-end 6)))) | |
| 473 (or (> old-size 0) (error "font truename has 0 pointsize?")) | |
| 474 (or (string-match x-font-regexp name) (error "can't parse %S" name)) | |
| 475 ;; turn pixelsize into a wildcard, and make pointsize be +/- 10, | |
| 476 ;; which is +/- 1 point. All other fields stay the same as they | |
| 477 ;; were in the "template" font returned by x-available-font-sizes. | |
| 478 ;; | |
| 479 ;; #### But this might return the same font: for example, if the | |
| 480 ;; truename of "-*-courier-medium-r-normal--*-230-75-75-m-0-*" | |
| 481 ;; is "...-240-..." (instead of 230) then this loses, because | |
| 482 ;; the 230 that was passed in as an arg got turned into 240 | |
| 483 ;; by the call to font-instance-truename; then we decrement that | |
| 484 ;; by 10 and return the result which is the same. I think the | |
| 485 ;; way to fix this is to make this be a loop that keeps trying | |
| 486 ;; progressively larger pointsize deltas until it finds one | |
| 487 ;; whose truename differs. Have to be careful to avoid infinite | |
| 488 ;; loops at the upper end... | |
| 489 ;; | |
| 490 (concat (substring name 0 (match-beginning 5)) "*" | |
| 491 (substring name (match-end 5) (match-beginning 6)) | |
| 492 (int-to-string (+ old-size (if up-p 10 -10))) | |
| 493 (substring name (match-end 6) (match-end 0))))) | |
| 494 (t | |
| 495 ;; non-scalable fonts: take the next available size. | |
| 496 (let ((rest available) | |
| 497 (last nil) | |
| 498 result) | |
| 499 (while rest | |
| 801 | 500 (cond ((and (not up-p) (equalp font (nth 2 (car rest)))) |
| 428 | 501 (setq result last |
| 502 rest nil)) | |
| 801 | 503 ((and up-p (equalp font (and last (nth 2 last)))) |
| 428 | 504 (setq result (car rest) |
| 505 rest nil))) | |
| 506 (setq last (car rest)) | |
| 507 (setq rest (cdr rest))) | |
| 508 (nth 2 result)))))) | |
| 509 | |
| 510 (defun x-find-smaller-font (font &optional device) | |
| 511 "Load a new, slightly smaller version of the given font (or font name). | |
| 512 Returns the font if it succeeds, nil otherwise. | |
| 513 If scalable fonts are available, this returns a font which is 1 point smaller. | |
| 514 Otherwise, it returns the next smaller version of this font that is defined." | |
| 3094 | 515 (if (featurep 'xft-fonts) |
| 516 (if (x-font-xlfd-font-name-p font) | |
| 517 (x-find-smaller-font-core font device) | |
| 518 (x-find-smaller-font-xft font device)) | |
| 519 (x-find-smaller-font-core font device))) | |
| 520 | |
| 521 (defun x-find-xft-font-of-size (font new-size-proc &optional device) | |
| 3360 | 522 (let* ((pattern (fc-font-match (or device (default-x-device)) |
| 523 (fc-name-parse font)))) | |
| 3094 | 524 (when pattern |
| 525 (let ((size (fc-pattern-get-size pattern 0))) | |
| 526 (if (floatp size) | |
| 527 (let ((copy (fc-pattern-duplicate pattern))) | |
| 3354 | 528 (fc-pattern-del-size copy) |
| 529 (fc-pattern-add-size copy (funcall new-size-proc size)) | |
| 3094 | 530 (if (fc-try-font font device) |
| 531 (fc-name-unparse copy)))))))) | |
| 532 | |
| 533 (defun x-find-smaller-font-xft (font &optional device) | |
| 4021 | 534 (x-find-xft-font-of-size font #'(lambda (old-size) (- old-size 1.0)) device)) |
| 3094 | 535 |
| 536 (defun x-find-smaller-font-core (font &optional device) | |
| 428 | 537 (x-frob-font-size font nil device)) |
| 538 | |
| 539 (defun x-find-larger-font (font &optional device) | |
| 540 "Load a new, slightly larger version of the given font (or font name). | |
| 541 Returns the font if it succeeds, nil otherwise. | |
| 542 If scalable fonts are available, this returns a font which is 1 point larger. | |
| 543 Otherwise, it returns the next larger version of this font that is defined." | |
| 3094 | 544 (if (featurep 'xft-fonts) |
| 545 (if (x-font-xlfd-font-name-p font) | |
| 546 (x-find-larger-font-core font device) | |
| 547 (x-find-larger-font-xft font device)) | |
| 548 (x-find-larger-font-core font device))) | |
| 549 | |
| 550 (defun x-find-larger-font-xft (font &optional device) | |
| 4021 | 551 (x-find-xft-font-of-size font #'(lambda (old-size) (+ old-size 1.0)) device)) |
| 3094 | 552 |
| 553 (defun x-find-larger-font-core (font &optional device) | |
| 428 | 554 (x-frob-font-size font t device)) |
| 555 | |
| 556 (defalias 'x-make-face-bold 'make-face-bold) | |
| 557 (defalias 'x-make-face-italic 'make-face-italic) | |
| 558 (defalias 'x-make-face-bold-italic 'make-face-bold-italic) | |
| 559 (defalias 'x-make-face-unbold 'make-face-unbold) | |
| 560 (defalias 'x-make-face-unitalic 'make-face-unitalic) | |
| 561 | |
| 562 (make-obsolete 'x-make-face-bold 'make-face-bold) | |
| 563 (make-obsolete 'x-make-face-italic 'make-face-italic) | |
| 564 (make-obsolete 'x-make-face-bold-italic 'make-face-bold-italic) | |
| 565 (make-obsolete 'x-make-face-unbold 'make-face-unbold) | |
| 566 (make-obsolete 'x-make-face-unitalic 'make-face-unitalic) | |
| 567 | |
| 568 | |
| 2527 | 569 |
| 570 ;; #### - wrong place for this variable? Exactly. We probably want | |
| 571 ;; `color-list' to be a console method, so `tty-color-list' becomes | |
| 572 ;; obsolete, and `read-color-completion-table' conses (mapcar #'list | |
| 573 ;; (color-list)), optionally caching the results. | |
| 574 | |
| 575 ;; Ben wanted all of the possibilities from the `configure' script used | |
| 576 ;; here, but I think this is way too many. I already trimmed the R4 variants | |
| 577 ;; and a few obvious losers from the list. --Stig | |
| 578 (defvar x-library-search-path '("/usr/X11R6/lib/X11/" | |
| 579 "/usr/X11R5/lib/X11/" | |
| 580 "/usr/lib/X11R6/X11/" | |
| 581 "/usr/lib/X11R5/X11/" | |
| 582 "/usr/local/X11R6/lib/X11/" | |
| 583 "/usr/local/X11R5/lib/X11/" | |
| 584 "/usr/local/lib/X11R6/X11/" | |
| 585 "/usr/local/lib/X11R5/X11/" | |
| 586 "/usr/X11/lib/X11/" | |
| 587 "/usr/lib/X11/" | |
| 3125 | 588 "/usr/share/X11/" |
| 2527 | 589 "/usr/local/lib/X11/" |
| 3125 | 590 "/usr/local/share/X11/" |
| 2527 | 591 "/usr/X386/lib/X11/" |
| 592 "/usr/x386/lib/X11/" | |
| 593 "/usr/XFree86/lib/X11/" | |
| 594 "/usr/unsupported/lib/X11/" | |
| 595 "/usr/athena/lib/X11/" | |
| 596 "/usr/local/x11r5/lib/X11/" | |
| 597 "/usr/lpp/Xamples/lib/X11/" | |
| 598 "/usr/openwin/lib/X11/" | |
| 599 "/usr/openwin/share/lib/X11/") | |
| 600 "Search path used by `x-color-list-internal' to find rgb.txt.") | |
| 601 | |
| 602 (defvar x-color-list-internal-cache) | |
| 603 | |
| 4215 | 604 ;; Ben originally coded this in 2005/01 to return a list of lists each |
| 605 ;; containing a single string. This is apparently derived from use of | |
| 606 ;; this list in completion, but in fact `read-color-completion-table' | |
| 607 ;; already does this wrapping. So I'm changing this to return a list of | |
| 608 ;; strings as the TTY code does, and as expected by r-c-c-t. | |
| 609 ;; -- sjt 2007-10-06 | |
| 610 | |
| 611 ;; This function is probably also used by the GTK platform. Cf. | |
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612 ;; gtk_color_list in src/fontcolor-gtk.c. |
| 2527 | 613 (defun x-color-list-internal () |
| 614 (if (boundp 'x-color-list-internal-cache) | |
| 615 x-color-list-internal-cache | |
| 616 (let ((rgb-file (locate-file "rgb.txt" x-library-search-path)) | |
| 617 clist color p) | |
| 618 (if (not rgb-file) | |
| 619 ;; prevents multiple searches for rgb.txt if we can't find it | |
| 620 (setq x-color-list-internal-cache nil) | |
| 621 (with-current-buffer (get-buffer-create " *colors*") | |
| 622 (reset-buffer (current-buffer)) | |
| 623 (insert-file-contents rgb-file) | |
| 624 (while (not (eobp)) | |
| 625 ;; skip over comments | |
| 626 (while (looking-at "^!") | |
| 627 (end-of-line) | |
| 628 (forward-char 1)) | |
| 629 (skip-chars-forward "0-9 \t") | |
| 630 (setq p (point)) | |
| 631 (end-of-line) | |
| 632 (setq color (buffer-substring p (point)) | |
| 4215 | 633 clist (cons color clist)) |
| 2527 | 634 ;; Ugh. If we want to be able to complete the lowercase form |
| 635 ;; of the color name, we need to add it twice! Yuck. | |
| 636 (let ((dcase (downcase color))) | |
| 637 (or (string= dcase color) | |
| 4215 | 638 (push dcase clist))) |
| 2527 | 639 (forward-char 1)) |
| 640 (kill-buffer (current-buffer)))) | |
| 641 (setq x-color-list-internal-cache clist) | |
| 642 x-color-list-internal-cache))) | |
| 643 | |
| 644 | |
| 428 | 645 ;;; internal routines |
| 646 | |
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647 ;;; x-init-face-from-resources is responsible for initializing a newly-created |
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648 ;;; face from the resource database. |
| 428 | 649 ;;; |
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650 ;;; When a new frame is created, it is called from `x-init-frame-faces' called |
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651 ;;; from `init-frame-faces' called from init_frame_faces() from Fmake_frame(). |
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652 ;;; In this case it is called once for each existing face, with the |
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653 ;;; newly-created frame as the argument. It then initializes the newly-created |
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654 ;;; faces on that frame. |
| 428 | 655 ;;; |
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656 ;;; It's also called from `init-device-faces' and `init-global-faces'. |
| 428 | 657 ;;; |
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658 ;;; This had better not signal an error. The frame is in an intermediate state |
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659 ;;; where signalling an error or entering the debugger would likely result in |
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660 ;;; a crash. |
| 428 | 661 |
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662 ;; When we initialise a face from an X resource, note that we did so. Now in |
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663 ;; specifier.el so run-time checks for it on non-X builds don't error. |
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664 ;; (define-specifier-tag 'x-resource) |
| 3918 | 665 |
| 428 | 666 (defun x-init-face-from-resources (face &optional locale set-anyway) |
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667 ;; These are things like "attributeForeground" instead of simply |
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668 ;; "foreground" because people tend to do things like "*foreground", which |
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669 ;; would cause all faces to be fully qualified, making faces inherit |
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670 ;; attributes in a non-useful way. So we've made them slightly less obvious |
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671 ;; to specify in order to make them work correctly in more random |
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672 ;; environments. |
| 428 | 673 |
| 674 ;; I think these should be called "face.faceForeground" instead of | |
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675 ;; "face.attributeForeground", but they're the way they are for hysterical |
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676 ;; reasons. (jwz) |
| 428 | 677 (let* ((append (if set-anyway nil 'append)) |
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678 ;; Some faces are initialized before XEmacs is dumped. In order for |
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679 ;; the X resources to be able to override those settings, such |
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680 ;; initialization always uses the `default' tag. We remove all |
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681 ;; specifier specs containing the `default' tag in the locale before |
| 428 | 682 ;; adding new specs. |
| 683 (tag-set '(default)) | |
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684 ;; The tag order matters here. The spec removal function uses the |
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685 ;; list cdrs. We want to remove (x default) and (default) specs, not |
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686 ;; (default x) and (x) specs. |
| 428 | 687 (x-tag-set '(x default)) |
| 688 (tty-tag-set '(tty default)) | |
| 3918 | 689 (our-tag-set '(x x-resource)) |
| 428 | 690 (device-class nil) |
| 691 (face-sym (face-name face)) | |
| 692 (name (symbol-name face-sym)) | |
| 693 (fn (x-get-resource-and-maybe-bogosity-check | |
| 694 (concat name ".attributeFont") | |
| 695 "Face.AttributeFont" | |
| 696 'string locale)) | |
| 697 (fg (x-get-resource-and-maybe-bogosity-check | |
| 698 (concat name ".attributeForeground") | |
| 699 "Face.AttributeForeground" | |
| 700 'string locale)) | |
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701 (fb (x-get-resource-and-maybe-bogosity-check |
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702 (concat name ".attributeForeback") |
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703 "Face.AttributeForeback" |
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704 'string locale)) |
| 428 | 705 (bg (x-get-resource-and-maybe-bogosity-check |
| 706 (concat name ".attributeBackground") | |
| 707 "Face.AttributeBackground" | |
| 708 'string locale)) | |
| 709 (bgp (x-get-resource-and-maybe-bogosity-check | |
| 710 (concat name ".attributeBackgroundPixmap") | |
| 711 "Face.AttributeBackgroundPixmap" | |
| 712 'string locale)) | |
| 713 (ulp (x-get-resource-and-maybe-bogosity-check | |
| 714 (concat name ".attributeUnderline") | |
| 715 "Face.AttributeUnderline" | |
| 716 'boolean locale)) | |
| 717 (stp (x-get-resource-and-maybe-bogosity-check | |
| 718 (concat name ".attributeStrikethru") | |
| 719 "Face.AttributeStrikethru" | |
| 720 'boolean locale)) | |
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721 (fp (x-get-resource-and-maybe-bogosity-check |
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722 (concat name ".attributeShrink") |
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723 "Face.AttributeShrink" |
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724 'boolean locale)) |
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725 ;; we still resource for these TTY-only resources so that you can |
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726 ;; specify resources for TTY frames/devices. This is useful when you |
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727 ;; start up your XEmacs on an X display and later open some TTY |
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728 ;; frames. |
| 428 | 729 (hp (x-get-resource-and-maybe-bogosity-check |
| 730 (concat name ".attributeHighlight") | |
| 731 "Face.AttributeHighlight" | |
| 732 'boolean locale)) | |
| 733 (dp (x-get-resource-and-maybe-bogosity-check | |
| 734 (concat name ".attributeDim") | |
| 735 "Face.AttributeDim" | |
| 736 'boolean locale)) | |
| 737 (bp (x-get-resource-and-maybe-bogosity-check | |
| 738 (concat name ".attributeBlinking") | |
| 739 "Face.AttributeBlinking" | |
| 740 'boolean locale)) | |
| 741 (rp (x-get-resource-and-maybe-bogosity-check | |
| 742 (concat name ".attributeReverse") | |
| 743 "Face.AttributeReverse" | |
| 744 'boolean locale)) | |
| 745 ) | |
| 746 | |
| 747 (cond ((framep locale) | |
| 748 (setq device-class (device-class (frame-device locale)))) | |
| 749 ((devicep locale) | |
| 750 (setq device-class (device-class locale)))) | |
| 751 | |
| 752 (if device-class | |
| 753 (setq tag-set (cons device-class tag-set) | |
| 754 x-tag-set (cons device-class x-tag-set) | |
| 3918 | 755 tty-tag-set (cons device-class tty-tag-set) |
| 756 our-tag-set (cons device-class our-tag-set))) | |
| 428 | 757 |
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758 ;; For the default and gui-element faces, some unspecified properties |
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759 ;; should be defaulted from the global properties. Can't do this for |
| 428 | 760 ;; frames or devices because then, common resource specs like |
| 761 ;; "*Foreground: black" will have unwanted effects. | |
| 762 (if (and (or (eq (face-name face) 'default) | |
| 763 (eq (face-name face) 'gui-element)) | |
| 764 (or (null locale) (eq locale 'global))) | |
| 765 (progn | |
| 766 (or fn (setq fn (x-get-resource | |
| 442 | 767 "font" "Font" 'string locale nil 'warn))) |
| 428 | 768 (or fg (setq fg (x-get-resource |
| 442 | 769 "foreground" "Foreground" 'string locale nil |
| 770 'warn))) | |
| 428 | 771 (or bg (setq bg (x-get-resource |
| 442 | 772 "background" "Background" 'string locale nil |
| 773 'warn))))) | |
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774 |
| 428 | 775 ;; "*cursorColor: foo" is equivalent to setting the background of the |
| 776 ;; text-cursor face. | |
| 777 (if (and (eq (face-name face) 'text-cursor) | |
| 778 (or (null locale) (eq locale 'global))) | |
| 779 (setq bg (or (x-get-resource | |
| 442 | 780 "cursorColor" "CursorColor" 'string locale nil 'warn) |
| 781 bg))) | |
|
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782 ;; #### NOTE: should issue warnings? I think this should be done when the |
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783 ;; instancing actually happens, but I'm not sure how it should actually be |
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784 ;; dealt with. |
| 428 | 785 (when fn |
| 786 (if device-class | |
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787 ;; Always use the x-tag-set to remove specs, since we don't know |
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788 ;; whether the predumped face was initialized with an 'x tag or not. |
| 428 | 789 (remove-specifier-specs-matching-tag-set-cdrs (face-font face) |
| 790 locale | |
| 791 x-tag-set) | |
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792 ;; If there's no device class then we're initializing globally. This |
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793 ;; means we should override global defaults for all X device classes. |
| 428 | 794 (remove-specifier (face-font face) locale x-tag-set nil)) |
| 3918 | 795 (set-face-font face fn locale our-tag-set append) |
| 796 | |
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797 ;; And retain some of the fallbacks in the generated default face, since |
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798 ;; we don't want to try andale-mono's ISO-10646-1 encoding for Amharic |
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799 ;; or Thai. |
| 3918 | 800 (when (and (specifierp (face-font face)) |
| 801 (consp (specifier-fallback (face-font face)))) | |
| 802 (loop | |
| 803 for (tag-set . instantiator) | |
| 804 in (specifier-fallback (face-font face)) | |
| 805 if (memq 'x-coverage-instantiator tag-set) | |
| 806 do (add-spec-list-to-specifier | |
| 807 (face-font face) | |
| 808 (list (cons (or locale 'global) | |
| 809 (list (cons tag-set instantiator)))) | |
| 810 append)))) | |
| 3659 | 811 |
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812 ;; Kludge-o-rooni. Set the foreground and background resources for X |
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813 ;; devices only -- otherwise things tend to get all messed up if you start |
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814 ;; up an X frame and then later create a TTY frame. |
| 428 | 815 (when fg |
| 816 (if device-class | |
| 817 (remove-specifier-specs-matching-tag-set-cdrs (face-foreground face) | |
| 818 locale | |
| 819 x-tag-set) | |
| 820 (remove-specifier (face-foreground face) locale x-tag-set nil)) | |
| 3918 | 821 (set-face-foreground face fg locale our-tag-set append)) |
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822 (when fb |
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823 (if device-class |
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824 (remove-specifier-specs-matching-tag-set-cdrs (face-foreback face) |
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825 locale |
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826 x-tag-set) |
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827 (remove-specifier (face-foreback face) locale x-tag-set nil)) |
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828 (set-face-foreback face fb locale our-tag-set append)) |
| 428 | 829 (when bg |
| 830 (if device-class | |
| 831 (remove-specifier-specs-matching-tag-set-cdrs (face-background face) | |
| 832 locale | |
| 833 x-tag-set) | |
| 834 (remove-specifier (face-background face) locale x-tag-set nil)) | |
| 3918 | 835 (set-face-background face bg locale our-tag-set append)) |
| 428 | 836 (when bgp |
| 837 (if device-class | |
| 838 (remove-specifier-specs-matching-tag-set-cdrs (face-background-pixmap | |
| 839 face) | |
| 840 locale | |
| 841 x-tag-set) | |
| 842 (remove-specifier (face-background-pixmap face) locale x-tag-set nil)) | |
| 3918 | 843 (set-face-background-pixmap face bgp locale our-tag-set append)) |
| 428 | 844 (when ulp |
| 845 (if device-class | |
| 846 (remove-specifier-specs-matching-tag-set-cdrs (face-property | |
| 847 face 'underline) | |
| 848 locale | |
| 849 tty-tag-set) | |
| 850 (remove-specifier (face-property face 'underline) locale | |
| 851 tty-tag-set nil)) | |
| 3918 | 852 (set-face-underline-p face ulp locale our-tag-set append)) |
| 428 | 853 (when stp |
| 854 (if device-class | |
| 855 (remove-specifier-specs-matching-tag-set-cdrs (face-property | |
| 856 face 'strikethru) | |
| 857 locale | |
| 858 tty-tag-set) | |
| 859 (remove-specifier (face-property face 'strikethru) | |
| 860 locale tty-tag-set nil)) | |
| 3918 | 861 (set-face-strikethru-p face stp locale our-tag-set append)) |
| 428 | 862 (when hp |
| 863 (if device-class | |
| 864 (remove-specifier-specs-matching-tag-set-cdrs (face-property | |
| 865 face 'highlight) | |
| 866 locale | |
| 867 tty-tag-set) | |
| 868 (remove-specifier (face-property face 'highlight) | |
| 869 locale tty-tag-set nil)) | |
| 3918 | 870 (set-face-highlight-p face hp locale our-tag-set append)) |
| 428 | 871 (when dp |
| 872 (if device-class | |
| 873 (remove-specifier-specs-matching-tag-set-cdrs (face-property | |
| 874 face 'dim) | |
| 875 locale | |
| 876 tty-tag-set) | |
| 877 (remove-specifier (face-property face 'dim) locale tty-tag-set nil)) | |
| 3918 | 878 (set-face-dim-p face dp locale our-tag-set append)) |
| 428 | 879 (when bp |
| 880 (if device-class | |
| 881 (remove-specifier-specs-matching-tag-set-cdrs (face-property | |
| 882 face 'blinking) | |
| 883 locale | |
| 884 tty-tag-set) | |
| 885 (remove-specifier (face-property face 'blinking) locale | |
| 886 tty-tag-set nil)) | |
| 3918 | 887 (set-face-blinking-p face bp locale our-tag-set append)) |
| 428 | 888 (when rp |
| 889 (if device-class | |
| 890 (remove-specifier-specs-matching-tag-set-cdrs (face-property | |
| 891 face 'reverse) | |
| 892 locale | |
| 893 tty-tag-set) | |
| 894 (remove-specifier (face-property face 'reverse) locale | |
| 895 tty-tag-set nil)) | |
| 3918 | 896 (set-face-reverse-p face rp locale our-tag-set append)) |
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897 (when fp |
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898 (cond (device-class |
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899 (remove-specifier-specs-matching-tag-set-cdrs (face-property |
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900 face 'shrink) |
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901 locale |
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902 tty-tag-set) |
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903 (remove-specifier-specs-matching-tag-set-cdrs (face-property |
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904 face 'shrink) |
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905 locale |
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906 x-tag-set)) |
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907 (t |
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908 (remove-specifier (face-property face 'shrink) locale |
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909 tty-tag-set nil) |
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910 (remove-specifier (face-property face 'shrink) locale |
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911 x-tag-set nil))) |
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912 (set-face-shrink-p face fp locale our-tag-set append)) |
| 428 | 913 )) |
| 914 | |
| 915 ;; GNU Emacs compatibility. (move to obsolete.el?) | |
| 916 (defalias 'make-face-x-resource-internal 'x-init-face-from-resources) | |
| 917 | |
| 918 (defun remove-specifier-specs-matching-tag-set-cdrs (specifier locale tag-set) | |
| 919 (while tag-set | |
| 920 (remove-specifier specifier locale tag-set t) | |
| 921 (setq tag-set (cdr tag-set)))) | |
| 922 | |
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923 ;;; x-init-global-faces is responsible for ensuring that the default face has |
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924 ;;; some reasonable fallbacks if nothing else is specified. |
| 428 | 925 (defun x-init-global-faces () |
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926 ;; #### NOTE: this code is probably an oldy: faces.c ensures that we have |
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927 ;; working fallback values so there is no need to initialize anything here. |
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928 ;; -- dvl |
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929 ;; (or (face-foreground 'default 'global) |
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930 ;; (set-face-foreground 'default "black" 'global '(x default))) |
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931 ;; (or (face-background 'default 'global) |
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932 ;; (set-face-background 'default "gray80" 'global '(x default)) |
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933 ) |
| 428 | 934 |
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935 ;;; x-init-device-faces is responsible for initializing default values for |
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936 ;;; faces on a newly created device. |
| 428 | 937 (defun x-init-device-faces (device) |
| 938 ;; If the "default" face didn't have a font specified, try to pick one. | |
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939 |
| 872 | 940 ;; (or |
| 941 ;; (face-font-instance 'default device) | |
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942 |
| 872 | 943 ;; [[ No font specified in the resource database; try to cope. ]] |
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944 |
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945 ;; #### NOTE: In reality, this will never happen. The fallbacks will always |
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946 ;; be tried, and the last fallback is "*", which should get any font. No |
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947 ;; need to put the same checks here as in the fallbacks. These comments |
| 872 | 948 ;; appear to be pre-19.12. --ben |
| 428 | 949 |
| 872 | 950 ;; [[ At first I wanted to do this by just putting a font-spec in the |
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951 ;; fallback resources passed to XtAppInitialize(), but that fails if there |
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952 ;; is an Emacs app-defaults file which doesn't specify a font: apparently |
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953 ;; the fallback resources are not consulted when there is an app-defaults |
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954 ;; file, which seems pretty bogus to me. |
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955 |
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956 ;; We should also probably try "*xtDefaultFont", but I think that it might |
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957 ;; be legal to specify that as "xtDefaultFont:", that is, at top level, |
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958 ;; instead of "*xtDefaultFont:", that is, applicable to every application. |
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959 ;; `x-get-resource' can't handle that right now. Anyway, xtDefaultFont is |
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960 ;; probably variable-width. |
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961 |
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962 ;; Some who have LucidaTypewriter think it's a better font than Courier, but |
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963 ;; it has the bug that there are no italic and bold italic versions. We |
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964 ;; could hair this code up to try and mix-and-match fonts to get a full |
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965 ;; complement, but really, why bother. It's just a default. ]] |
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966 |
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967 ;; [[ We default to looking for iso8859 fonts. Using a wildcard for the |
| 872 | 968 ;; encoding would be bad, because that can cause English speakers to get |
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969 ;; Kanji fonts by default. It is safe to assume that people using a language |
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970 ;; other than English have both set $LANG, and have specified their `font' |
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971 ;; and `fontList' resources. In any event, it's better to err on the side of |
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972 ;; the English speaker in this case because they are much less likely to |
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973 ;; have encountered this problem, and are thus less likely to know what to |
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974 ;; do about it. ]] |
| 872 | 975 |
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976 ;; #### NOTE: this code is probably an oldy as well (as per Ben's comment |
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977 ;; above): faces.c ensures that we have working fallback values so there is |
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978 ;; no need to initialize anything here. -- dvl |
| 428 | 979 |
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980 ;; (let ((fg (face-foreground-instance 'default device)) |
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981 ;; (bg (face-background-instance 'default device))) |
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982 ;; (if (not (and fg bg)) |
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983 ;; (if (or (and fg (equalp (color-instance-name fg) "white")) |
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984 ;; (and bg (equalp (color-instance-name bg) "black"))) |
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985 ;; (progn |
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986 ;; (or fg (set-face-foreground 'default "white" device)) |
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987 ;; (or bg (set-face-background 'default "black" device))) |
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988 ;; (or fg (set-face-foreground 'default "white" device)) |
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989 ;; (or bg (set-face-background 'default "black" device))))) |
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990 |
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991 ;; Don't look at reverseVideo now or initialize the modeline. This is done |
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992 ;; on a per-frame basis at the appropriate time. |
| 428 | 993 |
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994 ;; Now let's try to pick some reasonable defaults for a few other faces. |
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995 ;; This kind of stuff should normally go on the create-frame-hook, but this |
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996 ;; way we won't be in danger of the user screwing things up by not adding |
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997 ;; hooks in a safe way. |
| 428 | 998 (x-init-pointer-shape device) ; from x-mouse.el |
| 999 ) | |
| 1000 | |
| 1001 ;;; This is called from `init-frame-faces', which is called from | |
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1002 ;;; init_frame_faces() which is called from Fmake_frame(), to perform any |
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1003 ;;; device-specific initialization. |
| 428 | 1004 (defun x-init-frame-faces (frame) |
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1005 ;; The faces already got initialized (by init-frame-faces) from the resource |
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1006 ;; database or global, non-frame faces. The default, bold, bold-italic, and |
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1007 ;; italic faces (plus various other random faces) got set up then. But |
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1008 ;; modeline didn't so that reverseVideo can be frame-specific. |
| 428 | 1009 |
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1010 ;; If reverseVideo was specified, swap the foreground and background of the |
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1011 ;; default and modeline faces. |
| 442 | 1012 (cond ((car (x-get-resource "reverseVideo" "ReverseVideo" 'boolean frame |
| 1013 nil 'warn)) | |
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1014 ;; #### NOTE: again, this is probably yet another oldy: faces.c |
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1015 ;; ensures sane fallbacks for the modeline face. Besides, this face |
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1016 ;; does not inherit from the default face, but from the gui-element |
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1017 ;; one.-- dvl |
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1018 |
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1019 ;; (or (face-foreground 'modeline frame) |
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1020 ;; (set-face-foreground 'modeline |
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1021 ;; (face-foreground-instance 'default frame) |
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1022 ;; frame)) |
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1023 ;; (or (face-background 'modeline frame) |
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1024 ;; (set-face-background 'modeline |
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1025 ;; (face-background-instance 'default frame) |
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1026 ;; frame)) |
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1027 |
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1028 ;; Now invert both of them. If they end up looking the same, |
| 428 | 1029 ;; make-frame-initial-faces will invert the modeline again later. |
| 1030 (invert-face 'default frame) | |
| 1031 (invert-face 'modeline frame) | |
| 1032 ))) | |
| 1033 | |
| 1034 ;;; x-faces.el ends here |