Mercurial > hg > xemacs-beta
annotate src/objects.c @ 5008:cad59a0a3b19
Add license information from Marcus Thiessel.
See xemacs-beta message <20100208091453.25900@gmx.net>.
| author | Jerry James <james@xemacs.org> |
|---|---|
| date | Tue, 09 Feb 2010 09:50:49 -0700 |
| parents | 6ef8256a020a |
| children | d95c102a96d3 |
| rev | line source |
|---|---|
| 428 | 1 /* Generic Objects and Functions. |
| 2 Copyright (C) 1995 Free Software Foundation, Inc. | |
| 3 Copyright (C) 1995 Board of Trustees, University of Illinois. | |
| 2527 | 4 Copyright (C) 1995, 1996, 2002, 2004 Ben Wing. |
| 428 | 5 |
| 6 This file is part of XEmacs. | |
| 7 | |
| 8 XEmacs is free software; you can redistribute it and/or modify it | |
| 9 under the terms of the GNU General Public License as published by the | |
| 10 Free Software Foundation; either version 2, or (at your option) any | |
| 11 later version. | |
| 12 | |
| 13 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 16 for more details. | |
| 17 | |
| 18 You should have received a copy of the GNU General Public License | |
| 19 along with XEmacs; see the file COPYING. If not, write to | |
| 20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 21 Boston, MA 02111-1307, USA. */ | |
| 22 | |
| 23 /* Synched up with: Not in FSF. */ | |
| 24 | |
| 25 #include <config.h> | |
| 26 #include "lisp.h" | |
| 27 | |
| 771 | 28 #include "buffer.h" |
| 872 | 29 #include "device-impl.h" |
| 428 | 30 #include "elhash.h" |
| 31 #include "faces.h" | |
| 32 #include "frame.h" | |
| 800 | 33 #include "glyphs.h" |
| 872 | 34 #include "objects-impl.h" |
| 428 | 35 #include "specifier.h" |
| 36 #include "window.h" | |
| 37 | |
| 1204 | 38 #ifdef HAVE_TTY |
| 39 #include "console-tty.h" | |
| 40 #endif | |
| 934 | 41 |
| 428 | 42 /* Objects that are substituted when an instantiation fails. |
| 43 If we leave in the Qunbound value, we will probably get crashes. */ | |
| 44 Lisp_Object Vthe_null_color_instance, Vthe_null_font_instance; | |
| 45 | |
| 46 /* Authors: Ben Wing, Chuck Thompson */ | |
| 47 | |
| 2268 | 48 DOESNT_RETURN |
| 428 | 49 finalose (void *ptr) |
| 50 { | |
| 793 | 51 Lisp_Object obj = wrap_pointer_1 (ptr); |
| 52 | |
| 563 | 53 invalid_operation |
| 428 | 54 ("Can't dump an emacs containing window system objects", obj); |
| 55 } | |
| 56 | |
| 57 | |
| 58 /**************************************************************************** | |
| 59 * Color-Instance Object * | |
| 60 ****************************************************************************/ | |
| 61 | |
| 62 Lisp_Object Qcolor_instancep; | |
| 63 | |
| 1204 | 64 static const struct memory_description color_instance_data_description_1 []= { |
| 65 #ifdef HAVE_TTY | |
| 3092 | 66 #ifdef NEW_GC |
| 67 { XD_LISP_OBJECT, tty_console }, | |
| 68 #else /* not NEW_GC */ | |
| 2551 | 69 { XD_BLOCK_PTR, tty_console, 1, { &tty_color_instance_data_description } }, |
| 3092 | 70 #endif /* not NEW_GC */ |
| 1204 | 71 #endif |
| 934 | 72 { XD_END } |
| 73 }; | |
| 74 | |
| 1204 | 75 static const struct sized_memory_description color_instance_data_description = { |
| 76 sizeof (void *), color_instance_data_description_1 | |
| 934 | 77 }; |
| 78 | |
| 1204 | 79 static const struct memory_description color_instance_description[] = { |
| 934 | 80 { XD_INT, offsetof (Lisp_Color_Instance, color_instance_type) }, |
| 81 { XD_LISP_OBJECT, offsetof (Lisp_Color_Instance, name)}, | |
| 82 { XD_LISP_OBJECT, offsetof (Lisp_Color_Instance, device)}, | |
| 1204 | 83 { XD_UNION, offsetof (Lisp_Color_Instance, data), |
| 2551 | 84 XD_INDIRECT (0, 0), { &color_instance_data_description } }, |
| 934 | 85 {XD_END} |
| 86 }; | |
| 87 | |
| 428 | 88 static Lisp_Object |
| 89 mark_color_instance (Lisp_Object obj) | |
| 90 { | |
| 440 | 91 Lisp_Color_Instance *c = XCOLOR_INSTANCE (obj); |
| 428 | 92 mark_object (c->name); |
| 93 if (!NILP (c->device)) /* Vthe_null_color_instance */ | |
| 94 MAYBE_DEVMETH (XDEVICE (c->device), mark_color_instance, (c)); | |
| 95 | |
| 96 return c->device; | |
| 97 } | |
| 98 | |
| 99 static void | |
| 100 print_color_instance (Lisp_Object obj, Lisp_Object printcharfun, | |
| 101 int escapeflag) | |
| 102 { | |
| 440 | 103 Lisp_Color_Instance *c = XCOLOR_INSTANCE (obj); |
| 428 | 104 if (print_readably) |
| 4846 | 105 printing_unreadable_lcrecord (obj, 0); |
| 800 | 106 write_fmt_string_lisp (printcharfun, "#<color-instance %s", 1, c->name); |
| 107 write_fmt_string_lisp (printcharfun, " on %s", 1, c->device); | |
| 428 | 108 if (!NILP (c->device)) /* Vthe_null_color_instance */ |
| 109 MAYBE_DEVMETH (XDEVICE (c->device), print_color_instance, | |
| 110 (c, printcharfun, escapeflag)); | |
| 800 | 111 write_fmt_string (printcharfun, " 0x%x>", c->header.uid); |
| 428 | 112 } |
| 113 | |
| 114 static void | |
| 115 finalize_color_instance (void *header, int for_disksave) | |
| 116 { | |
| 440 | 117 Lisp_Color_Instance *c = (Lisp_Color_Instance *) header; |
| 428 | 118 |
| 119 if (!NILP (c->device)) | |
| 120 { | |
| 121 if (for_disksave) finalose (c); | |
| 122 MAYBE_DEVMETH (XDEVICE (c->device), finalize_color_instance, (c)); | |
| 123 } | |
| 124 } | |
| 125 | |
| 126 static int | |
|
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127 color_instance_equal (Lisp_Object obj1, Lisp_Object obj2, int depth, |
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128 int UNUSED (foldcase)) |
| 428 | 129 { |
| 440 | 130 Lisp_Color_Instance *c1 = XCOLOR_INSTANCE (obj1); |
| 131 Lisp_Color_Instance *c2 = XCOLOR_INSTANCE (obj2); | |
| 428 | 132 |
| 133 return (c1 == c2) || | |
| 134 (EQ (c1->device, c2->device) && | |
| 135 DEVICEP (c1->device) && | |
| 136 HAS_DEVMETH_P (XDEVICE (c1->device), color_instance_equal) && | |
| 137 DEVMETH (XDEVICE (c1->device), color_instance_equal, (c1, c2, depth))); | |
| 138 } | |
| 139 | |
| 2515 | 140 static Hashcode |
| 428 | 141 color_instance_hash (Lisp_Object obj, int depth) |
| 142 { | |
| 440 | 143 Lisp_Color_Instance *c = XCOLOR_INSTANCE (obj); |
| 428 | 144 struct device *d = DEVICEP (c->device) ? XDEVICE (c->device) : 0; |
| 145 | |
| 2515 | 146 return HASH2 ((Hashcode) d, |
| 428 | 147 !d ? LISP_HASH (obj) |
| 148 : DEVMETH_OR_GIVEN (d, color_instance_hash, (c, depth), | |
| 149 LISP_HASH (obj))); | |
| 150 } | |
| 151 | |
| 934 | 152 DEFINE_LRECORD_IMPLEMENTATION ("color-instance", color_instance, |
| 153 0, /*dumpable-flag*/ | |
| 154 mark_color_instance, print_color_instance, | |
| 155 finalize_color_instance, color_instance_equal, | |
|
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156 color_instance_hash, |
| 934 | 157 color_instance_description, |
| 158 Lisp_Color_Instance); | |
| 428 | 159 |
| 160 DEFUN ("make-color-instance", Fmake_color_instance, 1, 3, 0, /* | |
| 161 Return a new `color-instance' object named NAME (a string). | |
| 162 | |
| 163 Optional argument DEVICE specifies the device this object applies to | |
| 164 and defaults to the selected device. | |
| 165 | |
| 166 An error is signaled if the color is unknown or cannot be allocated; | |
| 444 | 167 however, if optional argument NOERROR is non-nil, nil is simply |
| 168 returned in this case. (And if NOERROR is other than t, a warning may | |
| 428 | 169 be issued.) |
| 170 | |
| 171 The returned object is a normal, first-class lisp object. The way you | |
| 172 `deallocate' the color is the way you deallocate any other lisp object: | |
| 173 you drop all pointers to it and allow it to be garbage collected. When | |
| 174 these objects are GCed, the underlying window-system data (e.g. X object) | |
| 175 is deallocated as well. | |
| 176 */ | |
| 444 | 177 (name, device, noerror)) |
| 428 | 178 { |
| 440 | 179 Lisp_Color_Instance *c; |
| 428 | 180 int retval; |
| 181 | |
| 182 CHECK_STRING (name); | |
| 793 | 183 device = wrap_device (decode_device (device)); |
| 428 | 184 |
| 3017 | 185 c = ALLOC_LCRECORD_TYPE (Lisp_Color_Instance, &lrecord_color_instance); |
| 428 | 186 c->name = name; |
| 187 c->device = device; | |
| 188 c->data = 0; | |
| 1204 | 189 c->color_instance_type = get_console_variant (XDEVICE_TYPE (c->device)); |
| 428 | 190 |
| 191 retval = MAYBE_INT_DEVMETH (XDEVICE (device), initialize_color_instance, | |
| 192 (c, name, device, | |
| 444 | 193 decode_error_behavior_flag (noerror))); |
| 428 | 194 if (!retval) |
| 195 return Qnil; | |
| 196 | |
| 793 | 197 return wrap_color_instance (c); |
| 428 | 198 } |
| 199 | |
| 200 DEFUN ("color-instance-p", Fcolor_instance_p, 1, 1, 0, /* | |
| 201 Return non-nil if OBJECT is a color instance. | |
| 202 */ | |
| 203 (object)) | |
| 204 { | |
| 205 return COLOR_INSTANCEP (object) ? Qt : Qnil; | |
| 206 } | |
| 207 | |
| 208 DEFUN ("color-instance-name", Fcolor_instance_name, 1, 1, 0, /* | |
| 209 Return the name used to allocate COLOR-INSTANCE. | |
| 210 */ | |
| 211 (color_instance)) | |
| 212 { | |
| 213 CHECK_COLOR_INSTANCE (color_instance); | |
| 214 return XCOLOR_INSTANCE (color_instance)->name; | |
| 215 } | |
| 216 | |
| 217 DEFUN ("color-instance-rgb-components", Fcolor_instance_rgb_components, 1, 1, 0, /* | |
| 218 Return a three element list containing the red, green, and blue | |
| 219 color components of COLOR-INSTANCE, or nil if unknown. | |
| 220 Component values range from 0 to 65535. | |
| 221 */ | |
| 222 (color_instance)) | |
| 223 { | |
| 440 | 224 Lisp_Color_Instance *c; |
| 428 | 225 |
| 226 CHECK_COLOR_INSTANCE (color_instance); | |
| 227 c = XCOLOR_INSTANCE (color_instance); | |
| 228 | |
| 229 if (NILP (c->device)) | |
| 230 return Qnil; | |
| 231 | |
| 232 return MAYBE_LISP_DEVMETH (XDEVICE (c->device), | |
| 233 color_instance_rgb_components, | |
| 234 (c)); | |
| 235 } | |
| 236 | |
| 237 DEFUN ("valid-color-name-p", Fvalid_color_name_p, 1, 2, 0, /* | |
| 238 Return true if COLOR names a valid color for the current device. | |
| 239 | |
| 240 Valid color names for X are listed in the file /usr/lib/X11/rgb.txt, or | |
| 241 whatever the equivalent is on your system. | |
| 242 | |
| 243 Valid color names for TTY are those which have an ISO 6429 (ANSI) sequence. | |
| 244 In addition to being a color this may be one of a number of attributes | |
| 245 such as `blink'. | |
| 246 */ | |
| 247 (color, device)) | |
| 248 { | |
| 249 struct device *d = decode_device (device); | |
| 250 | |
| 251 CHECK_STRING (color); | |
| 252 return MAYBE_INT_DEVMETH (d, valid_color_name_p, (d, color)) ? Qt : Qnil; | |
| 253 } | |
| 254 | |
| 2527 | 255 DEFUN ("color-list", Fcolor_list, 0, 1, 0, /* |
| 256 Return a list of color names. | |
| 257 DEVICE specifies which device to return names for, and defaults to the | |
| 258 currently selected device. | |
| 259 */ | |
| 260 (device)) | |
| 261 { | |
| 262 device = wrap_device (decode_device (device)); | |
| 263 | |
| 264 return MAYBE_LISP_DEVMETH (XDEVICE (device), color_list, ()); | |
| 265 } | |
| 266 | |
| 428 | 267 |
| 268 /*************************************************************************** | |
| 269 * Font-Instance Object * | |
| 270 ***************************************************************************/ | |
| 271 | |
| 272 Lisp_Object Qfont_instancep; | |
| 273 | |
| 274 static Lisp_Object font_instance_truename_internal (Lisp_Object xfont, | |
| 578 | 275 Error_Behavior errb); |
| 934 | 276 |
| 1204 | 277 static const struct memory_description font_instance_data_description_1 []= { |
| 278 #ifdef HAVE_TTY | |
| 3092 | 279 #ifdef NEW_GC |
| 280 { XD_LISP_OBJECT, tty_console }, | |
| 281 #else /* not NEW_GC */ | |
| 282 { XD_BLOCK_PTR, tty_console, 1, { &tty_font_instance_data_description } }, | |
| 283 #endif /* not NEW_GC */ | |
| 1204 | 284 #endif |
| 934 | 285 { XD_END } |
| 286 }; | |
| 287 | |
| 1204 | 288 static const struct sized_memory_description font_instance_data_description = { |
| 289 sizeof (void *), font_instance_data_description_1 | |
| 934 | 290 }; |
| 291 | |
| 1204 | 292 static const struct memory_description font_instance_description[] = { |
| 934 | 293 { XD_INT, offsetof (Lisp_Font_Instance, font_instance_type) }, |
| 294 { XD_LISP_OBJECT, offsetof (Lisp_Font_Instance, name)}, | |
| 295 { XD_LISP_OBJECT, offsetof (Lisp_Font_Instance, truename)}, | |
| 296 { XD_LISP_OBJECT, offsetof (Lisp_Font_Instance, device)}, | |
| 3094 | 297 { XD_LISP_OBJECT, offsetof (Lisp_Font_Instance, charset)}, |
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298 { XD_UNION, offsetof (Lisp_Font_Instance, data), |
| 2551 | 299 XD_INDIRECT (0, 0), { &font_instance_data_description } }, |
| 1204 | 300 { XD_END } |
| 934 | 301 }; |
| 302 | |
| 428 | 303 |
| 304 static Lisp_Object | |
| 305 mark_font_instance (Lisp_Object obj) | |
| 306 { | |
| 440 | 307 Lisp_Font_Instance *f = XFONT_INSTANCE (obj); |
| 428 | 308 |
| 309 mark_object (f->name); | |
| 872 | 310 mark_object (f->truename); |
| 428 | 311 if (!NILP (f->device)) /* Vthe_null_font_instance */ |
| 312 MAYBE_DEVMETH (XDEVICE (f->device), mark_font_instance, (f)); | |
| 313 | |
| 314 return f->device; | |
| 315 } | |
| 316 | |
| 317 static void | |
| 318 print_font_instance (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag) | |
| 319 { | |
| 440 | 320 Lisp_Font_Instance *f = XFONT_INSTANCE (obj); |
| 428 | 321 if (print_readably) |
| 4846 | 322 printing_unreadable_lcrecord (obj, 0); |
| 800 | 323 write_fmt_string_lisp (printcharfun, "#<font-instance %S", 1, f->name); |
| 324 write_fmt_string_lisp (printcharfun, " on %s", 1, f->device); | |
| 428 | 325 if (!NILP (f->device)) |
| 3659 | 326 { |
| 327 MAYBE_DEVMETH (XDEVICE (f->device), print_font_instance, | |
| 328 (f, printcharfun, escapeflag)); | |
| 329 | |
| 330 } | |
| 800 | 331 write_fmt_string (printcharfun, " 0x%x>", f->header.uid); |
| 428 | 332 } |
| 333 | |
| 334 static void | |
| 335 finalize_font_instance (void *header, int for_disksave) | |
| 336 { | |
| 440 | 337 Lisp_Font_Instance *f = (Lisp_Font_Instance *) header; |
| 428 | 338 |
| 339 if (!NILP (f->device)) | |
| 340 { | |
| 341 if (for_disksave) finalose (f); | |
| 342 MAYBE_DEVMETH (XDEVICE (f->device), finalize_font_instance, (f)); | |
| 343 } | |
| 344 } | |
| 345 | |
| 346 /* Fonts are equal if they resolve to the same name. | |
| 347 Since we call `font-truename' to do this, and since font-truename is lazy, | |
| 348 this means the `equal' could cause XListFonts to be run the first time. | |
| 349 */ | |
| 350 static int | |
|
4906
6ef8256a020a
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Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
351 font_instance_equal (Lisp_Object obj1, Lisp_Object obj2, int depth, |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
352 int UNUSED (foldcase)) |
| 428 | 353 { |
| 354 /* #### should this be moved into a device method? */ | |
| 793 | 355 return internal_equal (font_instance_truename_internal |
| 356 (obj1, ERROR_ME_DEBUG_WARN), | |
| 357 font_instance_truename_internal | |
| 358 (obj2, ERROR_ME_DEBUG_WARN), | |
| 428 | 359 depth + 1); |
| 360 } | |
| 361 | |
| 2515 | 362 static Hashcode |
| 428 | 363 font_instance_hash (Lisp_Object obj, int depth) |
| 364 { | |
| 793 | 365 return internal_hash (font_instance_truename_internal |
| 366 (obj, ERROR_ME_DEBUG_WARN), | |
| 428 | 367 depth + 1); |
| 368 } | |
| 369 | |
| 934 | 370 DEFINE_LRECORD_IMPLEMENTATION ("font-instance", font_instance, |
| 371 0, /*dumpable-flag*/ | |
| 372 mark_font_instance, print_font_instance, | |
| 373 finalize_font_instance, font_instance_equal, | |
| 1204 | 374 font_instance_hash, font_instance_description, |
| 375 Lisp_Font_Instance); | |
| 934 | 376 |
| 428 | 377 |
| 3094 | 378 /* #### Why is this exposed to Lisp? Used in: |
| 379 x-frob-font-size, gtk-font-menu-load-font, x-font-menu-load-font-xft, | |
| 380 x-font-menu-load-font-core, mswindows-font-menu-load-font, | |
| 381 mswindows-frob-font-style-and-sizify, mswindows-frob-font-size. */ | |
| 382 DEFUN ("make-font-instance", Fmake_font_instance, 1, 4, 0, /* | |
| 428 | 383 Return a new `font-instance' object named NAME. |
| 384 DEVICE specifies the device this object applies to and defaults to the | |
| 385 selected device. An error is signalled if the font is unknown or cannot | |
| 386 be allocated; however, if NOERROR is non-nil, nil is simply returned in | |
| 3094 | 387 this case. CHARSET is used internally. #### make helper function? |
| 428 | 388 |
| 389 The returned object is a normal, first-class lisp object. The way you | |
| 390 `deallocate' the font is the way you deallocate any other lisp object: | |
| 391 you drop all pointers to it and allow it to be garbage collected. When | |
| 3094 | 392 these objects are GCed, the underlying GUI data is deallocated as well. |
| 428 | 393 */ |
| 3094 | 394 (name, device, noerror, charset)) |
| 428 | 395 { |
| 440 | 396 Lisp_Font_Instance *f; |
| 428 | 397 int retval = 0; |
| 578 | 398 Error_Behavior errb = decode_error_behavior_flag (noerror); |
| 428 | 399 |
| 400 if (ERRB_EQ (errb, ERROR_ME)) | |
| 401 CHECK_STRING (name); | |
| 402 else if (!STRINGP (name)) | |
| 403 return Qnil; | |
| 404 | |
| 793 | 405 device = wrap_device (decode_device (device)); |
| 428 | 406 |
| 3017 | 407 f = ALLOC_LCRECORD_TYPE (Lisp_Font_Instance, &lrecord_font_instance); |
| 428 | 408 f->name = name; |
| 872 | 409 f->truename = Qnil; |
| 428 | 410 f->device = device; |
| 411 | |
| 412 f->data = 0; | |
| 1204 | 413 f->font_instance_type = get_console_variant (XDEVICE_TYPE (f->device)); |
| 428 | 414 |
| 415 /* Stick some default values here ... */ | |
| 416 f->ascent = f->height = 1; | |
| 417 f->descent = 0; | |
| 418 f->width = 1; | |
| 3094 | 419 f->charset = charset; |
| 428 | 420 f->proportional_p = 0; |
| 421 | |
| 422 retval = MAYBE_INT_DEVMETH (XDEVICE (device), initialize_font_instance, | |
| 423 (f, name, device, errb)); | |
| 424 | |
| 425 if (!retval) | |
| 426 return Qnil; | |
| 427 | |
| 793 | 428 return wrap_font_instance (f); |
| 428 | 429 } |
| 430 | |
| 431 DEFUN ("font-instance-p", Ffont_instance_p, 1, 1, 0, /* | |
| 432 Return non-nil if OBJECT is a font instance. | |
| 433 */ | |
| 434 (object)) | |
| 435 { | |
| 436 return FONT_INSTANCEP (object) ? Qt : Qnil; | |
| 437 } | |
| 438 | |
| 439 DEFUN ("font-instance-name", Ffont_instance_name, 1, 1, 0, /* | |
| 440 Return the name used to allocate FONT-INSTANCE. | |
| 441 */ | |
| 442 (font_instance)) | |
| 443 { | |
| 444 CHECK_FONT_INSTANCE (font_instance); | |
| 445 return XFONT_INSTANCE (font_instance)->name; | |
| 446 } | |
| 447 | |
| 448 DEFUN ("font-instance-ascent", Ffont_instance_ascent, 1, 1, 0, /* | |
| 449 Return the ascent in pixels of FONT-INSTANCE. | |
| 450 The returned value is the maximum ascent for all characters in the font, | |
| 451 where a character's ascent is the number of pixels above (and including) | |
| 452 the baseline. | |
| 453 */ | |
| 454 (font_instance)) | |
| 455 { | |
| 456 CHECK_FONT_INSTANCE (font_instance); | |
| 457 return make_int (XFONT_INSTANCE (font_instance)->ascent); | |
| 458 } | |
| 459 | |
| 460 DEFUN ("font-instance-descent", Ffont_instance_descent, 1, 1, 0, /* | |
| 461 Return the descent in pixels of FONT-INSTANCE. | |
| 462 The returned value is the maximum descent for all characters in the font, | |
| 463 where a character's descent is the number of pixels below the baseline. | |
| 464 \(Many characters to do not have any descent. Typical characters with a | |
| 465 descent are lowercase p and lowercase g.) | |
| 466 */ | |
| 467 (font_instance)) | |
| 468 { | |
| 469 CHECK_FONT_INSTANCE (font_instance); | |
| 470 return make_int (XFONT_INSTANCE (font_instance)->descent); | |
| 471 } | |
| 472 | |
| 473 DEFUN ("font-instance-width", Ffont_instance_width, 1, 1, 0, /* | |
| 474 Return the width in pixels of FONT-INSTANCE. | |
| 475 The returned value is the average width for all characters in the font. | |
| 476 */ | |
| 477 (font_instance)) | |
| 478 { | |
| 479 CHECK_FONT_INSTANCE (font_instance); | |
| 480 return make_int (XFONT_INSTANCE (font_instance)->width); | |
| 481 } | |
| 482 | |
| 483 DEFUN ("font-instance-proportional-p", Ffont_instance_proportional_p, 1, 1, 0, /* | |
| 484 Return whether FONT-INSTANCE is proportional. | |
| 485 This means that different characters in the font have different widths. | |
| 486 */ | |
| 487 (font_instance)) | |
| 488 { | |
| 489 CHECK_FONT_INSTANCE (font_instance); | |
| 490 return XFONT_INSTANCE (font_instance)->proportional_p ? Qt : Qnil; | |
| 491 } | |
| 492 | |
| 493 static Lisp_Object | |
| 494 font_instance_truename_internal (Lisp_Object font_instance, | |
| 578 | 495 Error_Behavior errb) |
| 428 | 496 { |
| 440 | 497 Lisp_Font_Instance *f = XFONT_INSTANCE (font_instance); |
| 498 | |
| 428 | 499 if (NILP (f->device)) |
| 500 { | |
|
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a23ac8f90a49
Improve warning and error messages from Xft.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
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501 maybe_signal_error (Qgui_error, |
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502 "can't determine truename: " |
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503 "no device for font instance", |
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504 font_instance, Qfont, errb); |
| 428 | 505 return Qnil; |
| 506 } | |
| 440 | 507 |
| 428 | 508 return DEVMETH_OR_GIVEN (XDEVICE (f->device), |
| 509 font_instance_truename, (f, errb), f->name); | |
| 510 } | |
| 511 | |
| 512 DEFUN ("font-instance-truename", Ffont_instance_truename, 1, 1, 0, /* | |
| 513 Return the canonical name of FONT-INSTANCE. | |
| 514 Font names are patterns which may match any number of fonts, of which | |
| 515 the first found is used. This returns an unambiguous name for that font | |
| 516 \(but not necessarily its only unambiguous name). | |
| 517 */ | |
| 518 (font_instance)) | |
| 519 { | |
| 520 CHECK_FONT_INSTANCE (font_instance); | |
| 521 return font_instance_truename_internal (font_instance, ERROR_ME); | |
| 522 } | |
| 523 | |
| 3094 | 524 DEFUN ("font-instance-charset", Ffont_instance_charset, 1, 1, 0, /* |
| 525 Return the Mule charset that FONT-INSTANCE was allocated to handle. | |
| 526 */ | |
| 527 (font_instance)) | |
| 528 { | |
| 529 CHECK_FONT_INSTANCE (font_instance); | |
| 530 return XFONT_INSTANCE (font_instance)->charset; | |
| 531 } | |
| 532 | |
| 428 | 533 DEFUN ("font-instance-properties", Ffont_instance_properties, 1, 1, 0, /* |
| 534 Return the properties (an alist or nil) of FONT-INSTANCE. | |
| 535 */ | |
| 536 (font_instance)) | |
| 537 { | |
| 440 | 538 Lisp_Font_Instance *f; |
| 428 | 539 |
| 540 CHECK_FONT_INSTANCE (font_instance); | |
| 541 f = XFONT_INSTANCE (font_instance); | |
| 542 | |
| 543 if (NILP (f->device)) | |
| 544 return Qnil; | |
| 545 | |
| 546 return MAYBE_LISP_DEVMETH (XDEVICE (f->device), | |
| 547 font_instance_properties, (f)); | |
| 548 } | |
| 549 | |
| 2527 | 550 DEFUN ("font-list", Ffont_list, 1, 3, 0, /* |
| 428 | 551 Return a list of font names matching the given pattern. |
| 552 DEVICE specifies which device to search for names, and defaults to the | |
| 553 currently selected device. | |
| 554 */ | |
| 1701 | 555 (pattern, device, maxnumber)) |
| 428 | 556 { |
| 557 CHECK_STRING (pattern); | |
| 793 | 558 device = wrap_device (decode_device (device)); |
| 428 | 559 |
| 2527 | 560 return MAYBE_LISP_DEVMETH (XDEVICE (device), font_list, (pattern, device, |
| 1701 | 561 maxnumber)); |
| 428 | 562 } |
| 563 | |
| 564 | |
| 565 /**************************************************************************** | |
| 566 Color Object | |
| 567 ***************************************************************************/ | |
| 1204 | 568 |
| 569 static const struct memory_description color_specifier_description[] = { | |
| 570 { XD_LISP_OBJECT, offsetof (struct color_specifier, face) }, | |
| 571 { XD_LISP_OBJECT, offsetof (struct color_specifier, face_property) }, | |
| 572 { XD_END } | |
| 573 }; | |
| 574 | |
| 575 DEFINE_SPECIFIER_TYPE_WITH_DATA (color); | |
| 428 | 576 /* Qcolor defined in general.c */ |
| 577 | |
| 578 static void | |
| 579 color_create (Lisp_Object obj) | |
| 580 { | |
| 440 | 581 Lisp_Specifier *color = XCOLOR_SPECIFIER (obj); |
| 428 | 582 |
| 583 COLOR_SPECIFIER_FACE (color) = Qnil; | |
| 584 COLOR_SPECIFIER_FACE_PROPERTY (color) = Qnil; | |
| 585 } | |
| 586 | |
| 587 static void | |
| 588 color_mark (Lisp_Object obj) | |
| 589 { | |
| 440 | 590 Lisp_Specifier *color = XCOLOR_SPECIFIER (obj); |
| 428 | 591 |
| 592 mark_object (COLOR_SPECIFIER_FACE (color)); | |
| 593 mark_object (COLOR_SPECIFIER_FACE_PROPERTY (color)); | |
| 594 } | |
| 595 | |
| 596 /* No equal or hash methods; ignore the face the color is based off | |
| 597 of for `equal' */ | |
| 598 | |
| 599 static Lisp_Object | |
| 2286 | 600 color_instantiate (Lisp_Object specifier, Lisp_Object UNUSED (matchspec), |
| 428 | 601 Lisp_Object domain, Lisp_Object instantiator, |
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602 Lisp_Object depth, int no_fallback) |
| 428 | 603 { |
| 604 /* When called, we're inside of call_with_suspended_errors(), | |
| 605 so we can freely error. */ | |
| 442 | 606 Lisp_Object device = DOMAIN_DEVICE (domain); |
| 428 | 607 struct device *d = XDEVICE (device); |
| 608 | |
| 609 if (COLOR_INSTANCEP (instantiator)) | |
| 610 { | |
| 611 /* If we are on the same device then we're done. Otherwise change | |
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612 the instantiator to the name used to generate the pixel and let the |
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613 STRINGP case deal with it. */ |
| 428 | 614 if (NILP (device) /* Vthe_null_color_instance */ |
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615 || EQ (device, XCOLOR_INSTANCE (instantiator)->device)) |
| 428 | 616 return instantiator; |
| 617 else | |
| 618 instantiator = Fcolor_instance_name (instantiator); | |
| 619 } | |
| 620 | |
| 621 if (STRINGP (instantiator)) | |
| 622 { | |
| 623 /* First, look to see if we can retrieve a cached value. */ | |
| 624 Lisp_Object instance = | |
| 625 Fgethash (instantiator, d->color_instance_cache, Qunbound); | |
| 626 /* Otherwise, make a new one. */ | |
| 627 if (UNBOUNDP (instance)) | |
| 628 { | |
| 629 /* make sure we cache the failures, too. */ | |
| 630 instance = Fmake_color_instance (instantiator, device, Qt); | |
| 631 Fputhash (instantiator, instance, d->color_instance_cache); | |
| 632 } | |
| 633 | |
| 634 return NILP (instance) ? Qunbound : instance; | |
| 635 } | |
| 636 else if (VECTORP (instantiator)) | |
| 637 { | |
| 638 switch (XVECTOR_LENGTH (instantiator)) | |
| 639 { | |
| 640 case 0: | |
| 641 if (DEVICE_TTY_P (d)) | |
| 642 return Vthe_null_color_instance; | |
| 643 else | |
| 563 | 644 gui_error ("Color instantiator [] only valid on TTY's", |
| 428 | 645 device); |
| 646 | |
| 647 case 1: | |
| 648 if (NILP (COLOR_SPECIFIER_FACE (XCOLOR_SPECIFIER (specifier)))) | |
| 563 | 649 gui_error ("Color specifier not attached to a face", |
| 428 | 650 instantiator); |
| 651 return (FACE_PROPERTY_INSTANCE_1 | |
| 652 (Fget_face (XVECTOR_DATA (instantiator)[0]), | |
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653 COLOR_SPECIFIER_FACE_PROPERTY |
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654 (XCOLOR_SPECIFIER (specifier)), |
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655 domain, ERROR_ME, no_fallback, depth)); |
| 428 | 656 |
| 657 case 2: | |
| 658 return (FACE_PROPERTY_INSTANCE_1 | |
| 659 (Fget_face (XVECTOR_DATA (instantiator)[0]), | |
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660 XVECTOR_DATA (instantiator)[1], domain, ERROR_ME, |
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661 no_fallback, depth)); |
| 428 | 662 |
| 663 default: | |
| 2500 | 664 ABORT (); |
| 428 | 665 } |
| 666 } | |
| 667 else if (NILP (instantiator)) | |
| 668 { | |
| 669 if (DEVICE_TTY_P (d)) | |
| 670 return Vthe_null_color_instance; | |
| 671 else | |
| 563 | 672 gui_error ("Color instantiator [] only valid on TTY's", |
| 428 | 673 device); |
| 674 } | |
| 675 else | |
| 2500 | 676 ABORT (); /* The spec validation routines are screwed up. */ |
| 428 | 677 |
| 678 return Qunbound; | |
| 679 } | |
| 680 | |
| 681 static void | |
| 682 color_validate (Lisp_Object instantiator) | |
| 683 { | |
| 684 if (COLOR_INSTANCEP (instantiator) || STRINGP (instantiator)) | |
| 685 return; | |
| 686 if (VECTORP (instantiator)) | |
| 687 { | |
| 688 if (XVECTOR_LENGTH (instantiator) > 2) | |
| 563 | 689 sferror ("Inheritance vector must be of size 0 - 2", |
| 428 | 690 instantiator); |
| 691 else if (XVECTOR_LENGTH (instantiator) > 0) | |
| 692 { | |
| 693 Lisp_Object face = XVECTOR_DATA (instantiator)[0]; | |
| 694 | |
| 695 Fget_face (face); | |
| 696 if (XVECTOR_LENGTH (instantiator) == 2) | |
| 697 { | |
| 698 Lisp_Object field = XVECTOR_DATA (instantiator)[1]; | |
| 699 if (!EQ (field, Qforeground) && !EQ (field, Qbackground)) | |
| 563 | 700 invalid_constant |
| 428 | 701 ("Inheritance field must be `foreground' or `background'", |
| 702 field); | |
| 703 } | |
| 704 } | |
| 705 } | |
| 706 else | |
| 563 | 707 invalid_argument ("Invalid color instantiator", instantiator); |
| 428 | 708 } |
| 709 | |
| 710 static void | |
| 711 color_after_change (Lisp_Object specifier, Lisp_Object locale) | |
| 712 { | |
| 713 Lisp_Object face = COLOR_SPECIFIER_FACE (XCOLOR_SPECIFIER (specifier)); | |
| 714 Lisp_Object property = | |
| 715 COLOR_SPECIFIER_FACE_PROPERTY (XCOLOR_SPECIFIER (specifier)); | |
| 716 if (!NILP (face)) | |
| 448 | 717 { |
| 718 face_property_was_changed (face, property, locale); | |
| 719 if (BUFFERP (locale)) | |
| 720 XBUFFER (locale)->buffer_local_face_property = 1; | |
| 721 } | |
| 428 | 722 } |
| 723 | |
| 724 void | |
| 725 set_color_attached_to (Lisp_Object obj, Lisp_Object face, Lisp_Object property) | |
| 726 { | |
| 440 | 727 Lisp_Specifier *color = XCOLOR_SPECIFIER (obj); |
| 428 | 728 |
| 729 COLOR_SPECIFIER_FACE (color) = face; | |
| 730 COLOR_SPECIFIER_FACE_PROPERTY (color) = property; | |
| 731 } | |
| 732 | |
| 733 DEFUN ("color-specifier-p", Fcolor_specifier_p, 1, 1, 0, /* | |
| 734 Return t if OBJECT is a color specifier. | |
| 735 | |
| 442 | 736 See `make-color-specifier' for a description of possible color instantiators. |
| 428 | 737 */ |
| 738 (object)) | |
| 739 { | |
| 740 return COLOR_SPECIFIERP (object) ? Qt : Qnil; | |
| 741 } | |
| 742 | |
| 743 | |
| 744 /**************************************************************************** | |
| 745 Font Object | |
| 746 ***************************************************************************/ | |
| 1204 | 747 |
| 748 static const struct memory_description font_specifier_description[] = { | |
| 749 { XD_LISP_OBJECT, offsetof (struct font_specifier, face) }, | |
| 750 { XD_LISP_OBJECT, offsetof (struct font_specifier, face_property) }, | |
| 751 { XD_END } | |
| 752 }; | |
| 753 | |
| 754 DEFINE_SPECIFIER_TYPE_WITH_DATA (font); | |
| 428 | 755 /* Qfont defined in general.c */ |
| 756 | |
| 757 static void | |
| 758 font_create (Lisp_Object obj) | |
| 759 { | |
| 440 | 760 Lisp_Specifier *font = XFONT_SPECIFIER (obj); |
| 428 | 761 |
| 762 FONT_SPECIFIER_FACE (font) = Qnil; | |
| 763 FONT_SPECIFIER_FACE_PROPERTY (font) = Qnil; | |
| 764 } | |
| 765 | |
| 766 static void | |
| 767 font_mark (Lisp_Object obj) | |
| 768 { | |
| 440 | 769 Lisp_Specifier *font = XFONT_SPECIFIER (obj); |
| 428 | 770 |
| 771 mark_object (FONT_SPECIFIER_FACE (font)); | |
| 772 mark_object (FONT_SPECIFIER_FACE_PROPERTY (font)); | |
| 773 } | |
| 774 | |
| 775 /* No equal or hash methods; ignore the face the font is based off | |
| 776 of for `equal' */ | |
| 777 | |
| 778 #ifdef MULE | |
| 779 | |
| 872 | 780 /* Given a truename font spec (i.e. the font spec should have its registry |
| 781 field filled in), does it support displaying characters from CHARSET? */ | |
| 782 | |
| 783 static int | |
| 428 | 784 font_spec_matches_charset (struct device *d, Lisp_Object charset, |
| 867 | 785 const Ibyte *nonreloc, Lisp_Object reloc, |
| 872 | 786 Bytecount offset, Bytecount length, |
| 3659 | 787 enum font_specifier_matchspec_stages stage) |
| 428 | 788 { |
| 789 return DEVMETH_OR_GIVEN (d, font_spec_matches_charset, | |
| 872 | 790 (d, charset, nonreloc, reloc, offset, length, |
| 791 stage), | |
| 428 | 792 1); |
| 793 } | |
| 794 | |
| 795 static void | |
| 796 font_validate_matchspec (Lisp_Object matchspec) | |
| 797 { | |
| 872 | 798 CHECK_CONS (matchspec); |
| 799 Fget_charset (XCAR (matchspec)); | |
| 3659 | 800 |
| 801 do | |
| 802 { | |
| 803 if (EQ(XCDR(matchspec), Qinitial)) | |
| 804 { | |
| 805 break; | |
| 806 } | |
| 807 if (EQ(XCDR(matchspec), Qfinal)) | |
| 808 { | |
| 809 break; | |
| 810 } | |
| 811 | |
| 812 invalid_argument("Invalid font matchspec stage", | |
| 813 XCDR(matchspec)); | |
| 814 } while (0); | |
| 428 | 815 } |
| 816 | |
| 872 | 817 void |
| 818 initialize_charset_font_caches (struct device *d) | |
| 819 { | |
| 820 /* Note that the following tables are bi-level. */ | |
| 821 d->charset_font_cache_stage_1 = | |
| 822 make_lisp_hash_table (20, HASH_TABLE_NON_WEAK, HASH_TABLE_EQ); | |
| 823 d->charset_font_cache_stage_2 = | |
| 824 make_lisp_hash_table (20, HASH_TABLE_NON_WEAK, HASH_TABLE_EQ); | |
| 825 } | |
| 826 | |
| 827 void | |
| 828 invalidate_charset_font_caches (Lisp_Object charset) | |
| 829 { | |
| 830 /* Invalidate font cache entries for charset on all devices. */ | |
| 831 Lisp_Object devcons, concons, hash_table; | |
| 832 DEVICE_LOOP_NO_BREAK (devcons, concons) | |
| 833 { | |
| 834 struct device *d = XDEVICE (XCAR (devcons)); | |
| 835 hash_table = Fgethash (charset, d->charset_font_cache_stage_1, | |
| 836 Qunbound); | |
| 837 if (!UNBOUNDP (hash_table)) | |
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838 Fclrhash (hash_table); |
| 872 | 839 hash_table = Fgethash (charset, d->charset_font_cache_stage_2, |
| 840 Qunbound); | |
| 841 if (!UNBOUNDP (hash_table)) | |
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842 Fclrhash (hash_table); |
| 872 | 843 } |
| 844 } | |
| 428 | 845 |
| 874 | 846 #endif /* MULE */ |
| 847 | |
| 848 | |
| 428 | 849 static Lisp_Object |
| 2333 | 850 font_instantiate (Lisp_Object UNUSED (specifier), |
| 851 Lisp_Object USED_IF_MULE (matchspec), | |
| 428 | 852 Lisp_Object domain, Lisp_Object instantiator, |
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853 Lisp_Object depth, int no_fallback) |
| 428 | 854 { |
| 855 /* When called, we're inside of call_with_suspended_errors(), | |
| 856 so we can freely error. */ | |
| 442 | 857 Lisp_Object device = DOMAIN_DEVICE (domain); |
| 428 | 858 struct device *d = XDEVICE (device); |
| 859 Lisp_Object instance; | |
| 872 | 860 Lisp_Object charset = Qnil; |
| 1204 | 861 #ifdef MULE |
| 3659 | 862 enum font_specifier_matchspec_stages stage = initial; |
| 428 | 863 |
| 864 if (!UNBOUNDP (matchspec)) | |
| 872 | 865 { |
| 866 charset = Fget_charset (XCAR (matchspec)); | |
| 3659 | 867 |
| 868 #define FROB(new_stage) if (EQ(Q##new_stage, XCDR(matchspec))) \ | |
| 869 { \ | |
| 870 stage = new_stage; \ | |
| 871 } | |
| 872 | |
| 873 FROB(initial) | |
| 874 else FROB(final) | |
| 875 else assert(0); | |
| 876 | |
| 877 #undef FROB | |
| 878 | |
| 872 | 879 } |
| 428 | 880 #endif |
| 881 | |
| 882 if (FONT_INSTANCEP (instantiator)) | |
| 883 { | |
| 884 if (NILP (device) | |
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885 || EQ (device, XFONT_INSTANCE (instantiator)->device)) |
| 428 | 886 { |
| 887 #ifdef MULE | |
| 872 | 888 if (font_spec_matches_charset (d, charset, 0, |
| 428 | 889 Ffont_instance_truename |
| 890 (instantiator), | |
| 872 | 891 0, -1, stage)) |
| 1204 | 892 #endif |
| 428 | 893 return instantiator; |
| 894 } | |
| 895 instantiator = Ffont_instance_name (instantiator); | |
| 896 } | |
| 897 | |
| 898 if (STRINGP (instantiator)) | |
| 899 { | |
| 874 | 900 #ifdef MULE |
| 3659 | 901 /* #### rename these caches. */ |
| 872 | 902 Lisp_Object cache = stage ? d->charset_font_cache_stage_2 : |
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903 d->charset_font_cache_stage_1; |
| 874 | 904 #else |
| 905 Lisp_Object cache = d->font_instance_cache; | |
| 906 #endif | |
| 872 | 907 |
| 428 | 908 #ifdef MULE |
| 872 | 909 if (!NILP (charset)) |
| 428 | 910 { |
| 911 /* The instantiator is a font spec that could match many | |
| 912 different fonts. We need to find one of those fonts | |
| 913 whose registry matches the registry of the charset in | |
| 914 MATCHSPEC. This is potentially a very slow operation, | |
| 915 as it involves doing an XListFonts() or equivalent to | |
| 916 iterate over all possible fonts, and a regexp match | |
| 917 on each one. So we cache the results. */ | |
| 918 Lisp_Object matching_font = Qunbound; | |
| 872 | 919 Lisp_Object hash_table = Fgethash (charset, cache, Qunbound); |
| 428 | 920 if (UNBOUNDP (hash_table)) |
| 921 { | |
| 922 /* need to make a sub hash table. */ | |
| 923 hash_table = make_lisp_hash_table (20, HASH_TABLE_KEY_WEAK, | |
| 924 HASH_TABLE_EQUAL); | |
| 872 | 925 Fputhash (charset, hash_table, cache); |
| 428 | 926 } |
| 927 else | |
| 928 matching_font = Fgethash (instantiator, hash_table, Qunbound); | |
| 929 | |
| 930 if (UNBOUNDP (matching_font)) | |
| 931 { | |
| 932 /* make sure we cache the failures, too. */ | |
| 933 matching_font = | |
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934 DEVMETH_OR_GIVEN (d, find_charset_font, |
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935 (device, instantiator, charset, stage), |
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936 instantiator); |
| 428 | 937 Fputhash (instantiator, matching_font, hash_table); |
| 938 } | |
| 939 if (NILP (matching_font)) | |
| 940 return Qunbound; | |
| 941 instantiator = matching_font; | |
| 942 } | |
| 943 #endif /* MULE */ | |
| 944 | |
| 945 /* First, look to see if we can retrieve a cached value. */ | |
| 872 | 946 instance = Fgethash (instantiator, cache, Qunbound); |
| 428 | 947 /* Otherwise, make a new one. */ |
| 948 if (UNBOUNDP (instance)) | |
| 949 { | |
| 950 /* make sure we cache the failures, too. */ | |
| 3094 | 951 instance = Fmake_font_instance (instantiator, device, Qt, charset); |
| 872 | 952 Fputhash (instantiator, instance, cache); |
| 428 | 953 } |
| 954 | |
| 955 return NILP (instance) ? Qunbound : instance; | |
| 956 } | |
| 957 else if (VECTORP (instantiator)) | |
| 958 { | |
| 3659 | 959 Lisp_Object match_inst = Qunbound; |
| 428 | 960 assert (XVECTOR_LENGTH (instantiator) == 1); |
| 3659 | 961 |
| 962 match_inst = face_property_matching_instance | |
| 963 (Fget_face (XVECTOR_DATA (instantiator)[0]), Qfont, | |
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964 charset, domain, ERROR_ME, no_fallback, depth, initial); |
| 3659 | 965 |
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966 if (UNBOUNDP(match_inst)) |
| 3659 | 967 { |
| 968 match_inst = face_property_matching_instance | |
| 969 (Fget_face (XVECTOR_DATA (instantiator)[0]), Qfont, | |
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|
970 charset, domain, ERROR_ME, no_fallback, depth, final); |
| 3659 | 971 } |
| 972 | |
| 973 return match_inst; | |
| 974 | |
| 428 | 975 } |
| 976 else if (NILP (instantiator)) | |
| 977 return Qunbound; | |
| 978 else | |
| 2500 | 979 ABORT (); /* Eh? */ |
| 428 | 980 |
| 981 return Qunbound; | |
| 982 } | |
| 983 | |
| 984 static void | |
| 985 font_validate (Lisp_Object instantiator) | |
| 986 { | |
| 987 if (FONT_INSTANCEP (instantiator) || STRINGP (instantiator)) | |
| 988 return; | |
| 989 if (VECTORP (instantiator)) | |
| 990 { | |
| 991 if (XVECTOR_LENGTH (instantiator) != 1) | |
| 992 { | |
| 563 | 993 sferror |
| 428 | 994 ("Vector length must be one for font inheritance", instantiator); |
| 995 } | |
| 996 Fget_face (XVECTOR_DATA (instantiator)[0]); | |
| 997 } | |
| 998 else | |
| 563 | 999 invalid_argument ("Must be string, vector, or font-instance", |
| 428 | 1000 instantiator); |
| 1001 } | |
| 1002 | |
| 1003 static void | |
| 1004 font_after_change (Lisp_Object specifier, Lisp_Object locale) | |
| 1005 { | |
| 1006 Lisp_Object face = FONT_SPECIFIER_FACE (XFONT_SPECIFIER (specifier)); | |
| 1007 Lisp_Object property = | |
| 1008 FONT_SPECIFIER_FACE_PROPERTY (XFONT_SPECIFIER (specifier)); | |
| 1009 if (!NILP (face)) | |
| 448 | 1010 { |
| 1011 face_property_was_changed (face, property, locale); | |
| 1012 if (BUFFERP (locale)) | |
| 1013 XBUFFER (locale)->buffer_local_face_property = 1; | |
| 1014 } | |
| 428 | 1015 } |
| 1016 | |
| 1017 void | |
| 1018 set_font_attached_to (Lisp_Object obj, Lisp_Object face, Lisp_Object property) | |
| 1019 { | |
| 440 | 1020 Lisp_Specifier *font = XFONT_SPECIFIER (obj); |
| 428 | 1021 |
| 1022 FONT_SPECIFIER_FACE (font) = face; | |
| 1023 FONT_SPECIFIER_FACE_PROPERTY (font) = property; | |
| 1024 } | |
| 1025 | |
| 1026 DEFUN ("font-specifier-p", Ffont_specifier_p, 1, 1, 0, /* | |
| 1027 Return non-nil if OBJECT is a font specifier. | |
| 1028 | |
| 442 | 1029 See `make-font-specifier' for a description of possible font instantiators. |
| 428 | 1030 */ |
| 1031 (object)) | |
| 1032 { | |
| 1033 return FONT_SPECIFIERP (object) ? Qt : Qnil; | |
| 1034 } | |
| 1035 | |
| 1036 | |
| 1037 /***************************************************************************** | |
| 1038 Face Boolean Object | |
| 1039 ****************************************************************************/ | |
| 1204 | 1040 |
| 1041 static const struct memory_description face_boolean_specifier_description[] = { | |
| 1042 { XD_LISP_OBJECT, offsetof (struct face_boolean_specifier, face) }, | |
| 1043 { XD_LISP_OBJECT, offsetof (struct face_boolean_specifier, face_property) }, | |
| 1044 { XD_END } | |
| 1045 }; | |
| 1046 | |
| 1047 DEFINE_SPECIFIER_TYPE_WITH_DATA (face_boolean); | |
| 428 | 1048 Lisp_Object Qface_boolean; |
| 1049 | |
| 1050 static void | |
| 1051 face_boolean_create (Lisp_Object obj) | |
| 1052 { | |
| 440 | 1053 Lisp_Specifier *face_boolean = XFACE_BOOLEAN_SPECIFIER (obj); |
| 428 | 1054 |
| 1055 FACE_BOOLEAN_SPECIFIER_FACE (face_boolean) = Qnil; | |
| 1056 FACE_BOOLEAN_SPECIFIER_FACE_PROPERTY (face_boolean) = Qnil; | |
| 1057 } | |
| 1058 | |
| 1059 static void | |
| 1060 face_boolean_mark (Lisp_Object obj) | |
| 1061 { | |
| 440 | 1062 Lisp_Specifier *face_boolean = XFACE_BOOLEAN_SPECIFIER (obj); |
| 428 | 1063 |
| 1064 mark_object (FACE_BOOLEAN_SPECIFIER_FACE (face_boolean)); | |
| 1065 mark_object (FACE_BOOLEAN_SPECIFIER_FACE_PROPERTY (face_boolean)); | |
| 1066 } | |
| 1067 | |
| 1068 /* No equal or hash methods; ignore the face the face-boolean is based off | |
| 1069 of for `equal' */ | |
| 1070 | |
| 1071 static Lisp_Object | |
| 2286 | 1072 face_boolean_instantiate (Lisp_Object specifier, |
| 1073 Lisp_Object UNUSED (matchspec), | |
| 428 | 1074 Lisp_Object domain, Lisp_Object instantiator, |
|
4426
515b91f904c1
Fix specifier inheritance behavior
Didier Verna <didier@xemacs.org>
parents:
3659
diff
changeset
|
1075 Lisp_Object depth, int no_fallback) |
| 428 | 1076 { |
| 1077 /* When called, we're inside of call_with_suspended_errors(), | |
| 1078 so we can freely error. */ | |
| 1079 if (NILP (instantiator) || EQ (instantiator, Qt)) | |
| 1080 return instantiator; | |
| 1081 else if (VECTORP (instantiator)) | |
| 1082 { | |
| 1083 Lisp_Object retval; | |
| 1084 Lisp_Object prop; | |
| 1085 int instantiator_len = XVECTOR_LENGTH (instantiator); | |
| 1086 | |
| 1087 assert (instantiator_len >= 1 && instantiator_len <= 3); | |
| 1088 if (instantiator_len > 1) | |
| 1089 prop = XVECTOR_DATA (instantiator)[1]; | |
| 1090 else | |
| 1091 { | |
| 1092 if (NILP (FACE_BOOLEAN_SPECIFIER_FACE | |
| 1093 (XFACE_BOOLEAN_SPECIFIER (specifier)))) | |
| 563 | 1094 gui_error |
| 428 | 1095 ("Face-boolean specifier not attached to a face", instantiator); |
| 1096 prop = FACE_BOOLEAN_SPECIFIER_FACE_PROPERTY | |
| 1097 (XFACE_BOOLEAN_SPECIFIER (specifier)); | |
| 1098 } | |
| 1099 | |
| 1100 retval = (FACE_PROPERTY_INSTANCE_1 | |
| 1101 (Fget_face (XVECTOR_DATA (instantiator)[0]), | |
|
4426
515b91f904c1
Fix specifier inheritance behavior
Didier Verna <didier@xemacs.org>
parents:
3659
diff
changeset
|
1102 prop, domain, ERROR_ME, no_fallback, depth)); |
| 428 | 1103 |
| 1104 if (instantiator_len == 3 && !NILP (XVECTOR_DATA (instantiator)[2])) | |
| 1105 retval = NILP (retval) ? Qt : Qnil; | |
| 1106 | |
| 1107 return retval; | |
| 1108 } | |
| 1109 else | |
| 2500 | 1110 ABORT (); /* Eh? */ |
| 428 | 1111 |
| 1112 return Qunbound; | |
| 1113 } | |
| 1114 | |
| 1115 static void | |
| 1116 face_boolean_validate (Lisp_Object instantiator) | |
| 1117 { | |
| 1118 if (NILP (instantiator) || EQ (instantiator, Qt)) | |
| 1119 return; | |
| 1120 else if (VECTORP (instantiator) && | |
| 1121 (XVECTOR_LENGTH (instantiator) >= 1 && | |
| 1122 XVECTOR_LENGTH (instantiator) <= 3)) | |
| 1123 { | |
| 1124 Lisp_Object face = XVECTOR_DATA (instantiator)[0]; | |
| 1125 | |
| 1126 Fget_face (face); | |
| 1127 | |
| 1128 if (XVECTOR_LENGTH (instantiator) > 1) | |
| 1129 { | |
| 1130 Lisp_Object field = XVECTOR_DATA (instantiator)[1]; | |
| 1131 if (!EQ (field, Qunderline) | |
| 1132 && !EQ (field, Qstrikethru) | |
| 1133 && !EQ (field, Qhighlight) | |
| 1134 && !EQ (field, Qdim) | |
| 1135 && !EQ (field, Qblinking) | |
| 1136 && !EQ (field, Qreverse)) | |
| 563 | 1137 invalid_constant ("Invalid face-boolean inheritance field", |
| 428 | 1138 field); |
| 1139 } | |
| 1140 } | |
| 1141 else if (VECTORP (instantiator)) | |
| 563 | 1142 sferror ("Wrong length for face-boolean inheritance spec", |
| 428 | 1143 instantiator); |
| 1144 else | |
| 563 | 1145 invalid_argument ("Face-boolean instantiator must be nil, t, or vector", |
| 428 | 1146 instantiator); |
| 1147 } | |
| 1148 | |
| 1149 static void | |
| 1150 face_boolean_after_change (Lisp_Object specifier, Lisp_Object locale) | |
| 1151 { | |
| 1152 Lisp_Object face = | |
| 1153 FACE_BOOLEAN_SPECIFIER_FACE (XFACE_BOOLEAN_SPECIFIER (specifier)); | |
| 1154 Lisp_Object property = | |
| 1155 FACE_BOOLEAN_SPECIFIER_FACE_PROPERTY (XFACE_BOOLEAN_SPECIFIER (specifier)); | |
| 1156 if (!NILP (face)) | |
| 448 | 1157 { |
| 1158 face_property_was_changed (face, property, locale); | |
| 1159 if (BUFFERP (locale)) | |
| 1160 XBUFFER (locale)->buffer_local_face_property = 1; | |
| 1161 } | |
| 428 | 1162 } |
| 1163 | |
| 1164 void | |
| 1165 set_face_boolean_attached_to (Lisp_Object obj, Lisp_Object face, | |
| 1166 Lisp_Object property) | |
| 1167 { | |
| 440 | 1168 Lisp_Specifier *face_boolean = XFACE_BOOLEAN_SPECIFIER (obj); |
| 428 | 1169 |
| 1170 FACE_BOOLEAN_SPECIFIER_FACE (face_boolean) = face; | |
| 1171 FACE_BOOLEAN_SPECIFIER_FACE_PROPERTY (face_boolean) = property; | |
| 1172 } | |
| 1173 | |
| 1174 DEFUN ("face-boolean-specifier-p", Fface_boolean_specifier_p, 1, 1, 0, /* | |
| 1175 Return non-nil if OBJECT is a face-boolean specifier. | |
| 1176 | |
| 442 | 1177 See `make-face-boolean-specifier' for a description of possible |
| 1178 face-boolean instantiators. | |
| 428 | 1179 */ |
| 1180 (object)) | |
| 1181 { | |
| 1182 return FACE_BOOLEAN_SPECIFIERP (object) ? Qt : Qnil; | |
| 1183 } | |
| 1184 | |
| 1185 | |
| 1186 /************************************************************************/ | |
| 1187 /* initialization */ | |
| 1188 /************************************************************************/ | |
| 1189 | |
| 1190 void | |
| 1191 syms_of_objects (void) | |
| 1192 { | |
| 442 | 1193 INIT_LRECORD_IMPLEMENTATION (color_instance); |
| 1194 INIT_LRECORD_IMPLEMENTATION (font_instance); | |
| 1195 | |
| 428 | 1196 DEFSUBR (Fcolor_specifier_p); |
| 1197 DEFSUBR (Ffont_specifier_p); | |
| 1198 DEFSUBR (Fface_boolean_specifier_p); | |
| 1199 | |
| 563 | 1200 DEFSYMBOL_MULTIWORD_PREDICATE (Qcolor_instancep); |
| 428 | 1201 DEFSUBR (Fmake_color_instance); |
| 1202 DEFSUBR (Fcolor_instance_p); | |
| 1203 DEFSUBR (Fcolor_instance_name); | |
| 1204 DEFSUBR (Fcolor_instance_rgb_components); | |
| 1205 DEFSUBR (Fvalid_color_name_p); | |
| 2527 | 1206 DEFSUBR (Fcolor_list); |
| 428 | 1207 |
| 563 | 1208 DEFSYMBOL_MULTIWORD_PREDICATE (Qfont_instancep); |
| 428 | 1209 DEFSUBR (Fmake_font_instance); |
| 1210 DEFSUBR (Ffont_instance_p); | |
| 1211 DEFSUBR (Ffont_instance_name); | |
| 1212 DEFSUBR (Ffont_instance_ascent); | |
| 1213 DEFSUBR (Ffont_instance_descent); | |
| 1214 DEFSUBR (Ffont_instance_width); | |
| 3094 | 1215 DEFSUBR (Ffont_instance_charset); |
| 428 | 1216 DEFSUBR (Ffont_instance_proportional_p); |
| 1217 DEFSUBR (Ffont_instance_truename); | |
| 1218 DEFSUBR (Ffont_instance_properties); | |
| 2527 | 1219 DEFSUBR (Ffont_list); |
| 428 | 1220 |
| 1221 /* Qcolor, Qfont defined in general.c */ | |
| 563 | 1222 DEFSYMBOL (Qface_boolean); |
| 428 | 1223 } |
| 1224 | |
| 1225 void | |
| 1226 specifier_type_create_objects (void) | |
| 1227 { | |
| 1228 INITIALIZE_SPECIFIER_TYPE_WITH_DATA (color, "color", "color-specifier-p"); | |
| 1229 INITIALIZE_SPECIFIER_TYPE_WITH_DATA (font, "font", "font-specifier-p"); | |
| 1230 INITIALIZE_SPECIFIER_TYPE_WITH_DATA (face_boolean, "face-boolean", | |
| 1231 "face-boolean-specifier-p"); | |
| 1232 | |
| 1233 SPECIFIER_HAS_METHOD (color, instantiate); | |
| 1234 SPECIFIER_HAS_METHOD (font, instantiate); | |
| 1235 SPECIFIER_HAS_METHOD (face_boolean, instantiate); | |
| 1236 | |
| 1237 SPECIFIER_HAS_METHOD (color, validate); | |
| 1238 SPECIFIER_HAS_METHOD (font, validate); | |
| 1239 SPECIFIER_HAS_METHOD (face_boolean, validate); | |
| 1240 | |
| 1241 SPECIFIER_HAS_METHOD (color, create); | |
| 1242 SPECIFIER_HAS_METHOD (font, create); | |
| 1243 SPECIFIER_HAS_METHOD (face_boolean, create); | |
| 1244 | |
| 1245 SPECIFIER_HAS_METHOD (color, mark); | |
| 1246 SPECIFIER_HAS_METHOD (font, mark); | |
| 1247 SPECIFIER_HAS_METHOD (face_boolean, mark); | |
| 1248 | |
| 1249 SPECIFIER_HAS_METHOD (color, after_change); | |
| 1250 SPECIFIER_HAS_METHOD (font, after_change); | |
| 1251 SPECIFIER_HAS_METHOD (face_boolean, after_change); | |
| 1252 | |
| 1253 #ifdef MULE | |
| 1254 SPECIFIER_HAS_METHOD (font, validate_matchspec); | |
| 1255 #endif | |
| 1256 } | |
| 1257 | |
| 1258 void | |
| 1259 reinit_specifier_type_create_objects (void) | |
| 1260 { | |
| 1261 REINITIALIZE_SPECIFIER_TYPE (color); | |
| 1262 REINITIALIZE_SPECIFIER_TYPE (font); | |
| 1263 REINITIALIZE_SPECIFIER_TYPE (face_boolean); | |
| 1264 } | |
| 1265 | |
| 1266 void | |
| 1267 reinit_vars_of_objects (void) | |
| 1268 { | |
| 1269 staticpro_nodump (&Vthe_null_color_instance); | |
| 1270 { | |
| 440 | 1271 Lisp_Color_Instance *c = |
| 3017 | 1272 ALLOC_LCRECORD_TYPE (Lisp_Color_Instance, &lrecord_color_instance); |
| 428 | 1273 c->name = Qnil; |
| 1274 c->device = Qnil; | |
| 1275 c->data = 0; | |
| 1276 | |
| 793 | 1277 Vthe_null_color_instance = wrap_color_instance (c); |
| 428 | 1278 } |
| 1279 | |
| 1280 staticpro_nodump (&Vthe_null_font_instance); | |
| 1281 { | |
| 440 | 1282 Lisp_Font_Instance *f = |
| 3017 | 1283 ALLOC_LCRECORD_TYPE (Lisp_Font_Instance, &lrecord_font_instance); |
| 428 | 1284 f->name = Qnil; |
| 872 | 1285 f->truename = Qnil; |
| 428 | 1286 f->device = Qnil; |
| 1287 f->data = 0; | |
| 1288 | |
| 1289 f->ascent = f->height = 0; | |
| 1290 f->descent = 0; | |
| 1291 f->width = 0; | |
| 1292 f->proportional_p = 0; | |
| 1293 | |
| 793 | 1294 Vthe_null_font_instance = wrap_font_instance (f); |
| 428 | 1295 } |
| 1296 } | |
| 1297 | |
| 1298 void | |
| 1299 vars_of_objects (void) | |
| 1300 { | |
| 1301 } |