Mercurial > hg > xemacs-beta
annotate lisp/x-font-menu.el @ 5402:308d34e9f07d
Changed bulk of GPLv2 or later files identified by script
| author | Mats Lidell <matsl@xemacs.org> |
|---|---|
| date | Thu, 14 Oct 2010 17:15:20 +0200 |
| parents | e29fcfd8df5f |
| children | 0af042a0c116 |
| rev | line source |
|---|---|
| 2297 | 1 ;;; x-font-menu.el --- Managing menus of X fonts. |
| 428 | 2 |
| 3 ;; Copyright (C) 1994 Free Software Foundation, Inc. | |
| 4 ;; Copyright (C) 1995 Tinker Systems and INS Engineering Corp. | |
| 5 ;; Copyright (C) 1997 Sun Microsystems | |
| 6 | |
| 7 ;; Author: Jamie Zawinski <jwz@jwz.org> | |
| 8 ;; Restructured by: Jonathan Stigelman <Stig@hackvan.com> | |
| 9 ;; Mule-ized by: Martin Buchholz | |
| 10 ;; More restructuring for MS-Windows by Andy Piper <andy@xemacs.org> | |
| 11 | |
| 12 ;; This file is part of XEmacs. | |
| 13 | |
|
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14 ;; XEmacs is free software: you can redistribute it and/or modify it |
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15 ;; under the terms of the GNU General Public License as published by the |
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16 ;; Free Software Foundation, either version 3 of the License, or (at your |
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17 ;; option) any later version. |
| 428 | 18 |
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19 ;; XEmacs is distributed in the hope that it will be useful, but WITHOUT |
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20 ;; ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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21 ;; FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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22 ;; for more details. |
| 428 | 23 |
| 24 ;; You should have received a copy of the GNU General Public License | |
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25 ;; along with XEmacs. If not, see <http://www.gnu.org/licenses/>. |
| 428 | 26 ;;; Code: |
| 27 | |
| 28 ;; #### - implement these... | |
| 29 ;; | |
| 30 ;;; (defvar font-menu-ignore-proportional-fonts nil | |
| 31 ;;; "*If non-nil, then the font menu will only show fixed-width fonts.") | |
| 32 | |
| 33 (require 'font-menu) | |
| 34 | |
| 3094 | 35 (when (featurep 'xft-fonts) |
| 36 (require 'fontconfig)) | |
| 37 | |
| 502 | 38 (globally-declare-boundp |
| 39 '(x-font-regexp | |
| 2297 | 40 x-font-regexp-foundry-and-family |
| 41 x-font-regexp-spacing)) | |
| 502 | 42 |
| 4103 | 43 (globally-declare-boundp |
| 44 '(charset-registries | |
| 45 fc-find-available-font-families | |
| 46 fc-find-available-weights-for-family | |
| 47 fc-font-match | |
| 48 fc-font-slant-translate-from-string | |
| 49 fc-font-slant-translate-to-string | |
| 50 fc-font-weight-translate-from-string | |
| 51 fc-font-weight-translate-to-string | |
| 52 fc-name-parse | |
| 53 fc-name-unparse | |
| 54 fc-pattern-add-family | |
| 55 fc-pattern-add-size | |
| 56 fc-pattern-add-slant | |
| 57 fc-pattern-add-weight | |
| 58 fc-pattern-get-family | |
| 59 fc-pattern-get-size | |
| 60 fc-pattern-get-slant | |
| 61 fc-pattern-get-successp | |
| 62 fc-pattern-get-weight | |
| 63 make-fc-pattern | |
| 64 xlfd-font-name-p)) | |
| 502 | 65 |
| 428 | 66 (defvar x-font-menu-registry-encoding nil |
| 67 "Registry and encoding to use with font menu fonts.") | |
| 68 | |
| 69 (defvar x-fonts-menu-junk-families | |
| 444 | 70 (mapconcat |
| 71 #'identity | |
| 72 '("cursor" "glyph" "symbol" ; Obvious losers. | |
| 73 "\\`Ax...\\'" ; FrameMaker fonts - there are just way too | |
| 428 | 74 ; many of these, and there is a different |
| 75 ; font family for each font face! Losers. | |
| 76 ; "Axcor" -> "Applix Courier Roman", | |
| 77 ; "Axcob" -> "Applix Courier Bold", etc. | |
| 444 | 78 ) |
| 79 "\\|") | |
| 2297 | 80 "Regexp matching font families which should not be menu-selectable. |
| 81 E.g. cursor fonts.") | |
| 428 | 82 |
| 83 (defun hack-font-truename (fn) | |
| 2297 | 84 ;; #### Are "font sets" XFontSets? |
| 85 ;; #### Is this useful if not configure'd --with-xfs? | |
| 86 ;; #### This is duplicated in gtk-font-menu.el. | |
| 87 "Filter the output of `font-instance-truename' to deal with font sets." | |
| 428 | 88 (if (string-match "," (font-instance-truename fn)) |
| 89 (let ((fpnt (nth 8 (split-string (font-instance-name fn) "-"))) | |
| 90 (flist (split-string (font-instance-truename fn) ",")) | |
| 91 ret) | |
| 92 (while flist | |
| 93 (if (string-equal fpnt (nth 8 (split-string (car flist) "-"))) | |
| 94 (progn (setq ret (car flist)) (setq flist nil)) | |
| 95 (setq flist (cdr flist)) | |
| 96 )) | |
| 97 ret) | |
| 98 (font-instance-truename fn))) | |
| 99 | |
| 100 (defvar x-font-regexp-ascii nil | |
| 101 "This is used to filter out font families that can't display ASCII text. | |
| 102 It must be set at run-time.") | |
| 103 | |
| 3094 | 104 ;; #### move these to font-menu.el, and maybe make them defcustoms |
| 105 (defvar font-menu-common-sizes | |
| 106 '(60 80 100 110 120 130 140 150 160 170 180 200 220 240 300 360) | |
| 107 "List of commonly desired font sizes in decipoints.") | |
| 108 | |
| 428 | 109 ;;;###autoload |
| 110 (defun x-reset-device-font-menus (device &optional debug) | |
| 3094 | 111 (if (featurep 'xft-fonts) |
| 112 (x-reset-device-font-menus-xft device debug) | |
| 113 (x-reset-device-font-menus-core device debug))) | |
| 114 | |
| 115 (defun fc-make-font-menu-entry (family) | |
| 116 (let ((weights (fc-find-available-weights-for-family family))) | |
| 117 (vector | |
| 118 family | |
| 119 (mapcar | |
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120 (lambda (weight-symbol) |
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121 (let ((pair (assoc weight-symbol |
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122 '((:light "Light") |
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123 (:medium "Medium") |
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124 (:demibold "Demibold") |
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125 (:bold "Bold") |
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126 (:black "Black"))))) |
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127 (if pair (cadr pair)))) |
| 3094 | 128 weights) |
| 129 '(0) | |
| 130 nil))) | |
| 131 | |
| 132 (defun x-reset-device-font-menus-xft (device &optional debug) | |
| 133 (let* ((families-1 (fc-find-available-font-families device)) | |
| 134 (families (delete-if (lambda (x) | |
| 135 (string-match x-fonts-menu-junk-families x)) | |
| 136 (sort families-1 'string-lessp))) | |
| 137 (data | |
| 138 (vector | |
| 139 (mapcar 'fc-make-font-menu-entry families) | |
| 140 (mapcar | |
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141 (lambda (family) |
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142 (vector family `(font-menu-set-font ,family nil nil) |
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143 :style 'radio :active nil :selected nil)) |
| 3094 | 144 families) |
| 145 (mapcar | |
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146 (lambda (size) |
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147 (vector |
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148 (number-to-string size) |
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149 `(font-menu-set-font nil nil ,size) |
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150 :style 'radio :active nil :selected nil)) |
| 3094 | 151 ;; common size list in decipoints, fontconfig wants points |
| 152 (mapcar (lambda (x) (/ x 10)) font-menu-common-sizes)) | |
| 153 (mapcar | |
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154 (lambda (weight) |
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155 (vector |
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156 weight |
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157 `(font-menu-set-font nil ,weight nil) |
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158 :style 'radio :active nil :selected nil)) |
| 3094 | 159 '("Light" "Medium" "Demibold" "Bold" "Black")))) |
| 160 ;; get or initialize the entry for device | |
| 161 (dev-cache (or (assq device device-fonts-cache) | |
| 162 (car (push (list device) device-fonts-cache))))) | |
| 163 ;; update the device-fonts-cache entry for device in place | |
| 164 (setcdr dev-cache data) | |
| 165 data)) | |
| 166 | |
| 167 (defun x-reset-device-font-menus-core (device &optional debug) | |
| 428 | 168 "Generates the `Font', `Size', and `Weight' submenus for the Options menu. |
| 169 This is run the first time that a font-menu is needed for each device. | |
| 170 If you don't like the lazy invocation of this function, you can add it to | |
| 171 `create-device-hook' and that will make the font menus respond more quickly | |
| 172 when they are selected for the first time. If you add fonts to your system, | |
| 173 or if you change your font path, you can call this to re-initialize the menus." | |
| 174 ;; by Stig@hackvan.com | |
| 175 ;; #### - this should implement a `menus-only' option, which would | |
| 2527 | 176 ;; recalculate the menus from the cache w/o having to do font-list again. |
| 428 | 177 (unless x-font-regexp-ascii |
| 3917 | 178 (setq x-font-regexp-ascii |
| 179 (if (fboundp 'charset-registries) | |
| 180 (elt (charset-registries 'ascii) 0) | |
| 181 "iso8859-1"))) | |
| 428 | 182 (setq x-font-menu-registry-encoding |
| 183 (if (featurep 'mule) "*-*" "iso8859-1")) | |
| 184 (let ((case-fold-search t) | |
| 185 family size weight entry monospaced-p | |
| 186 dev-cache cache families sizes weights) | |
| 187 (dolist (name (cond ((null debug) ; debugging kludge | |
| 2527 | 188 (font-list "*-*-*-*-*-*-*-*-*-*-*-*-*-*" device |
| 1701 | 189 font-menu-max-number)) |
| 428 | 190 ((stringp debug) (split-string debug "\n")) |
| 191 (t debug))) | |
| 192 (when (and (string-match x-font-regexp-ascii name) | |
| 193 (string-match x-font-regexp name)) | |
| 194 (setq weight (capitalize (match-string 1 name)) | |
| 195 size (string-to-int (match-string 6 name))) | |
| 196 (or (string-match x-font-regexp-foundry-and-family name) | |
| 197 (error "internal error")) | |
| 198 (setq family (capitalize (match-string 1 name))) | |
| 199 (or (string-match x-font-regexp-spacing name) | |
| 200 (error "internal error")) | |
| 201 (setq monospaced-p (string= "m" (match-string 1 name))) | |
| 202 (unless (string-match x-fonts-menu-junk-families family) | |
| 203 (setq entry (or (vassoc family cache) | |
| 204 (car (setq cache | |
| 205 (cons (vector family nil nil t) | |
| 206 cache))))) | |
| 207 (or (member family families) (push family families)) | |
| 208 (or (member weight weights) (push weight weights)) | |
| 209 (or (member size sizes) (push size sizes)) | |
| 210 (or (member weight (aref entry 1)) (push weight (aref entry 1))) | |
| 211 (or (member size (aref entry 2)) (push size (aref entry 2))) | |
| 212 (aset entry 3 (and (aref entry 3) monospaced-p))))) | |
| 213 ;; | |
| 214 ;; Hack scalable fonts. | |
| 215 ;; Some fonts come only in scalable versions (the only size is 0) | |
| 216 ;; and some fonts come in both scalable and non-scalable versions | |
| 217 ;; (one size is 0). If there are any scalable fonts at all, make | |
| 218 ;; sure that the union of all point sizes contains at least some | |
| 219 ;; common sizes - it's possible that some sensible sizes might end | |
| 220 ;; up not getting mentioned explicitly. | |
| 221 ;; | |
| 222 (if (member 0 sizes) | |
| 3094 | 223 (let ((common font-menu-common-sizes)) |
| 428 | 224 (while common |
| 225 (or;;(member (car common) sizes) ; not enough slack | |
| 226 (let ((rest sizes) | |
| 227 (done nil)) | |
| 228 (while (and (not done) rest) | |
| 229 (if (and (> (car common) (- (car rest) 5)) | |
| 230 (< (car common) (+ (car rest) 5))) | |
| 231 (setq done t)) | |
| 232 (setq rest (cdr rest))) | |
| 233 done) | |
| 234 (setq sizes (cons (car common) sizes))) | |
| 235 (setq common (cdr common))) | |
| 236 (setq sizes (delq 0 sizes)))) | |
| 237 | |
| 238 (setq families (sort families 'string-lessp) | |
| 239 weights (sort weights 'string-lessp) | |
| 240 sizes (sort sizes '<)) | |
| 241 | |
| 242 (dolist (entry cache) | |
| 243 (aset entry 1 (sort (aref entry 1) 'string-lessp)) | |
| 244 (aset entry 2 (sort (aref entry 2) '<))) | |
| 245 | |
| 246 (setq dev-cache (assq device device-fonts-cache)) | |
| 247 (or dev-cache | |
| 248 (setq dev-cache (car (push (list device) device-fonts-cache)))) | |
| 249 (setcdr | |
| 250 dev-cache | |
| 251 (vector | |
| 252 cache | |
| 253 (mapcar (lambda (x) | |
| 254 (vector x | |
| 255 (list 'font-menu-set-font x nil nil) | |
| 256 ':style 'radio ':active nil ':selected nil)) | |
| 257 families) | |
| 258 (mapcar (lambda (x) | |
| 259 (vector (if (/= 0 (% x 10)) | |
| 1104 | 260 (number-to-string (/ x 10.0)) |
| 261 (number-to-string (/ x 10))) | |
| 428 | 262 (list 'font-menu-set-font nil nil x) |
| 263 ':style 'radio ':active nil ':selected nil)) | |
| 264 sizes) | |
| 265 (mapcar (lambda (x) | |
| 266 (vector x | |
| 267 (list 'font-menu-set-font nil x nil) | |
| 268 ':style 'radio ':active nil ':selected nil)) | |
| 269 weights))) | |
| 270 (cdr dev-cache))) | |
| 271 | |
| 272 ;; Extract font information from a face. We examine both the | |
| 273 ;; user-specified font name and the canonical (`true') font name. | |
| 274 ;; These can appear to have totally different properties. | |
| 275 ;; For examples, see the prolog above. | |
| 276 | |
| 277 ;; We use the user-specified one if possible, else use the truename. | |
| 278 ;; If the user didn't specify one (with "-dt-*-*", for example) | |
| 279 ;; get the truename and use the possibly suboptimal data from that. | |
| 280 ;;;###autoload | |
| 523 | 281 (defun x-font-menu-font-data (face dcache) |
| 3094 | 282 (let* ((case-fold-search t) |
| 283 (domain (if font-menu-this-frame-only-p | |
| 284 (selected-frame) | |
| 285 (selected-device))) | |
| 286 (name (font-instance-name (face-font-instance face domain)))) | |
| 287 (if (featurep 'xft-fonts) | |
| 288 (if (xlfd-font-name-p name) | |
| 289 ;; #### this call to x-font-menu-font-data-core originally | |
| 290 ;; had 4 args, and that's probably the right way to go | |
| 291 (x-font-menu-font-data-core face dcache) | |
| 3394 | 292 (x-font-menu-font-data-xft face dcache name (selected-device))) |
| 3094 | 293 ;; #### this one, too |
| 294 (x-font-menu-font-data-core face dcache)))) | |
| 295 | |
| 296 (defun x-font-menu-font-data-xft (face dcache name domain) | |
| 3360 | 297 ;; DOMAIN is expected to be a device. |
| 3094 | 298 (let* ((truename (font-instance-truename |
| 299 (face-font-instance face domain | |
| 300 (if (featurep 'mule) 'ascii)))) | |
| 301 entry) | |
| 302 (if (xlfd-font-name-p truename) | |
| 303 (progn | |
| 304 nil) | |
| 305 (progn | |
| 3360 | 306 (let* ((pattern (fc-font-match domain (fc-name-parse name))) |
| 3094 | 307 (family (and pattern |
| 308 (fc-pattern-get-family pattern 0)))) | |
| 309 (if (fc-pattern-get-successp family) | |
| 310 (setq entry (vassoc family (aref dcache 0)))) | |
| 311 (if (null entry) | |
| 312 (make-vector 5 nil) | |
| 313 (let ((weight (fc-pattern-get-weight pattern 0)) | |
| 314 (size (fc-pattern-get-size pattern 0)) | |
| 315 (slant (fc-pattern-get-slant pattern 0))) | |
| 316 (vector | |
| 317 entry | |
| 318 (if (fc-pattern-get-successp family) | |
| 319 family) | |
| 320 (if (fc-pattern-get-successp size) | |
| 321 size) | |
| 322 (if (fc-pattern-get-successp weight) | |
| 323 (fc-font-weight-translate-to-string weight)) | |
| 324 (if (fc-pattern-get-successp slant) | |
| 325 (fc-font-slant-translate-to-string slant)))))))))) | |
| 326 | |
| 327 (defun x-font-menu-font-data-core (face dcache) | |
| 428 | 328 (let* ((case-fold-search t) |
| 329 (domain (if font-menu-this-frame-only-p | |
| 330 (selected-frame) | |
| 331 (selected-device))) | |
| 332 (name (font-instance-name (face-font-instance face domain))) | |
| 333 (truename (font-instance-truename | |
| 334 (face-font-instance face domain | |
| 335 (if (featurep 'mule) 'ascii)))) | |
| 336 family size weight entry slant) | |
| 337 (when (string-match x-font-regexp-foundry-and-family name) | |
| 338 (setq family (capitalize (match-string 1 name))) | |
| 339 (setq entry (vassoc family (aref dcache 0)))) | |
| 340 (when (and (null entry) | |
| 341 (string-match x-font-regexp-foundry-and-family truename)) | |
| 342 (setq family (capitalize (match-string 1 truename))) | |
| 343 (setq entry (vassoc family (aref dcache 0)))) | |
| 523 | 344 |
| 345 (if (null entry) | |
| 346 (make-vector 5 nil) | |
| 347 | |
| 348 (when (string-match x-font-regexp name) | |
| 349 (setq weight (capitalize (match-string 1 name))) | |
| 350 (setq size (string-to-int (match-string 6 name)))) | |
| 428 | 351 |
| 523 | 352 (when (string-match x-font-regexp truename) |
| 353 (when (not (member weight (aref entry 1))) | |
| 354 (setq weight (capitalize (match-string 1 truename)))) | |
| 355 (when (not (member size (aref entry 2))) | |
| 356 (setq size (string-to-int (match-string 6 truename)))) | |
| 357 (setq slant (capitalize (match-string 2 truename)))) | |
| 428 | 358 |
| 523 | 359 (vector entry family size weight slant)))) |
| 428 | 360 |
| 361 (defun x-font-menu-load-font (family weight size slant resolution) | |
| 3094 | 362 (if (featurep 'xft-fonts) |
| 363 (x-font-menu-load-font-xft family weight size slant resolution) | |
| 364 (x-font-menu-load-font-core family weight size slant resolution))) | |
| 365 | |
| 366 (defun x-font-menu-load-font-xft (family weight size slant resolution) | |
| 367 (let ((pattern (make-fc-pattern))) | |
| 3354 | 368 (fc-pattern-add-family pattern family) |
| 3094 | 369 (if weight |
| 3354 | 370 (fc-pattern-add-weight pattern |
| 371 (fc-font-weight-translate-from-string weight))) | |
| 3094 | 372 (if size |
| 3354 | 373 (fc-pattern-add-size pattern size)) |
| 3094 | 374 (if slant |
| 3354 | 375 (fc-pattern-add-slant pattern |
| 376 (fc-font-slant-translate-from-string slant))) | |
| 3094 | 377 (make-font-instance (fc-name-unparse pattern)))) |
| 378 | |
| 379 (defun x-font-menu-load-font-core (family weight size slant resolution) | |
| 428 | 380 "Try to load a font with the requested properties. |
| 381 The weight, slant and resolution are only hints." | |
| 382 (when (integerp size) (setq size (int-to-string size))) | |
| 383 (let (font) | |
| 384 (catch 'got-font | |
| 385 (dolist (weight (list weight "*")) | |
| 386 (dolist (slant | |
| 387 (cond ((string-equal slant "O") '("O" "I" "*")) | |
| 388 ((string-equal slant "I") '("I" "O" "*")) | |
| 389 ((string-equal slant "*") '("*")) | |
| 390 (t (list slant "*")))) | |
| 391 (dolist (resolution | |
| 392 (if (string-equal resolution "*-*") | |
| 393 (list resolution) | |
| 394 (list resolution "*-*"))) | |
| 395 (when (setq font | |
| 396 (make-font-instance | |
| 397 (concat "-*-" family "-" weight "-" slant "-*-*-*-" | |
| 398 size "-" resolution "-*-*-" | |
| 399 x-font-menu-registry-encoding) | |
| 400 nil t)) | |
| 401 (throw 'got-font font)))))))) | |
| 402 | |
| 403 (provide 'x-font-menu) | |
| 404 | |
| 405 ;;; x-font-menu.el ends here |