Mercurial > hg > xemacs-beta
annotate src/objects.c @ 4930:9f04877ce07e
fix up comments about finalizers and NEWGC internal objects
-------------------- ChangeLog entries follow: --------------------
src/ChangeLog addition:
2010-01-20 Ben Wing <ben@xemacs.org>
* lrecord.h:
* lrecord.h (enum lrecord_type):
* lrecord.h (struct lrecord_implementation):
Clean up description of finalizer methods. Clean up and expand
the long comment at the top of lrecord.h. Add a section about why
New-GC requires a bunch of new internal objects to be created (not
completely understood).
| author | Ben Wing <ben@xemacs.org> |
|---|---|
| date | Wed, 20 Jan 2010 04:20:49 -0600 |
| parents | a98ca4640147 |
| children | 6ef8256a020a |
| 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 | |
| 127 color_instance_equal (Lisp_Object obj1, Lisp_Object obj2, int depth) | |
| 128 { | |
| 440 | 129 Lisp_Color_Instance *c1 = XCOLOR_INSTANCE (obj1); |
| 130 Lisp_Color_Instance *c2 = XCOLOR_INSTANCE (obj2); | |
| 428 | 131 |
| 132 return (c1 == c2) || | |
| 133 (EQ (c1->device, c2->device) && | |
| 134 DEVICEP (c1->device) && | |
| 135 HAS_DEVMETH_P (XDEVICE (c1->device), color_instance_equal) && | |
| 136 DEVMETH (XDEVICE (c1->device), color_instance_equal, (c1, c2, depth))); | |
| 137 } | |
| 138 | |
| 2515 | 139 static Hashcode |
| 428 | 140 color_instance_hash (Lisp_Object obj, int depth) |
| 141 { | |
| 440 | 142 Lisp_Color_Instance *c = XCOLOR_INSTANCE (obj); |
| 428 | 143 struct device *d = DEVICEP (c->device) ? XDEVICE (c->device) : 0; |
| 144 | |
| 2515 | 145 return HASH2 ((Hashcode) d, |
| 428 | 146 !d ? LISP_HASH (obj) |
| 147 : DEVMETH_OR_GIVEN (d, color_instance_hash, (c, depth), | |
| 148 LISP_HASH (obj))); | |
| 149 } | |
| 150 | |
| 934 | 151 DEFINE_LRECORD_IMPLEMENTATION ("color-instance", color_instance, |
| 152 0, /*dumpable-flag*/ | |
| 153 mark_color_instance, print_color_instance, | |
| 154 finalize_color_instance, color_instance_equal, | |
|
4426
515b91f904c1
Fix specifier inheritance behavior
Didier Verna <didier@xemacs.org>
parents:
3659
diff
changeset
|
155 color_instance_hash, |
| 934 | 156 color_instance_description, |
| 157 Lisp_Color_Instance); | |
| 428 | 158 |
| 159 DEFUN ("make-color-instance", Fmake_color_instance, 1, 3, 0, /* | |
| 160 Return a new `color-instance' object named NAME (a string). | |
| 161 | |
| 162 Optional argument DEVICE specifies the device this object applies to | |
| 163 and defaults to the selected device. | |
| 164 | |
| 165 An error is signaled if the color is unknown or cannot be allocated; | |
| 444 | 166 however, if optional argument NOERROR is non-nil, nil is simply |
| 167 returned in this case. (And if NOERROR is other than t, a warning may | |
| 428 | 168 be issued.) |
| 169 | |
| 170 The returned object is a normal, first-class lisp object. The way you | |
| 171 `deallocate' the color is the way you deallocate any other lisp object: | |
| 172 you drop all pointers to it and allow it to be garbage collected. When | |
| 173 these objects are GCed, the underlying window-system data (e.g. X object) | |
| 174 is deallocated as well. | |
| 175 */ | |
| 444 | 176 (name, device, noerror)) |
| 428 | 177 { |
| 440 | 178 Lisp_Color_Instance *c; |
| 428 | 179 int retval; |
| 180 | |
| 181 CHECK_STRING (name); | |
| 793 | 182 device = wrap_device (decode_device (device)); |
| 428 | 183 |
| 3017 | 184 c = ALLOC_LCRECORD_TYPE (Lisp_Color_Instance, &lrecord_color_instance); |
| 428 | 185 c->name = name; |
| 186 c->device = device; | |
| 187 c->data = 0; | |
| 1204 | 188 c->color_instance_type = get_console_variant (XDEVICE_TYPE (c->device)); |
| 428 | 189 |
| 190 retval = MAYBE_INT_DEVMETH (XDEVICE (device), initialize_color_instance, | |
| 191 (c, name, device, | |
| 444 | 192 decode_error_behavior_flag (noerror))); |
| 428 | 193 if (!retval) |
| 194 return Qnil; | |
| 195 | |
| 793 | 196 return wrap_color_instance (c); |
| 428 | 197 } |
| 198 | |
| 199 DEFUN ("color-instance-p", Fcolor_instance_p, 1, 1, 0, /* | |
| 200 Return non-nil if OBJECT is a color instance. | |
| 201 */ | |
| 202 (object)) | |
| 203 { | |
| 204 return COLOR_INSTANCEP (object) ? Qt : Qnil; | |
| 205 } | |
| 206 | |
| 207 DEFUN ("color-instance-name", Fcolor_instance_name, 1, 1, 0, /* | |
| 208 Return the name used to allocate COLOR-INSTANCE. | |
| 209 */ | |
| 210 (color_instance)) | |
| 211 { | |
| 212 CHECK_COLOR_INSTANCE (color_instance); | |
| 213 return XCOLOR_INSTANCE (color_instance)->name; | |
| 214 } | |
| 215 | |
| 216 DEFUN ("color-instance-rgb-components", Fcolor_instance_rgb_components, 1, 1, 0, /* | |
| 217 Return a three element list containing the red, green, and blue | |
| 218 color components of COLOR-INSTANCE, or nil if unknown. | |
| 219 Component values range from 0 to 65535. | |
| 220 */ | |
| 221 (color_instance)) | |
| 222 { | |
| 440 | 223 Lisp_Color_Instance *c; |
| 428 | 224 |
| 225 CHECK_COLOR_INSTANCE (color_instance); | |
| 226 c = XCOLOR_INSTANCE (color_instance); | |
| 227 | |
| 228 if (NILP (c->device)) | |
| 229 return Qnil; | |
| 230 | |
| 231 return MAYBE_LISP_DEVMETH (XDEVICE (c->device), | |
| 232 color_instance_rgb_components, | |
| 233 (c)); | |
| 234 } | |
| 235 | |
| 236 DEFUN ("valid-color-name-p", Fvalid_color_name_p, 1, 2, 0, /* | |
| 237 Return true if COLOR names a valid color for the current device. | |
| 238 | |
| 239 Valid color names for X are listed in the file /usr/lib/X11/rgb.txt, or | |
| 240 whatever the equivalent is on your system. | |
| 241 | |
| 242 Valid color names for TTY are those which have an ISO 6429 (ANSI) sequence. | |
| 243 In addition to being a color this may be one of a number of attributes | |
| 244 such as `blink'. | |
| 245 */ | |
| 246 (color, device)) | |
| 247 { | |
| 248 struct device *d = decode_device (device); | |
| 249 | |
| 250 CHECK_STRING (color); | |
| 251 return MAYBE_INT_DEVMETH (d, valid_color_name_p, (d, color)) ? Qt : Qnil; | |
| 252 } | |
| 253 | |
| 2527 | 254 DEFUN ("color-list", Fcolor_list, 0, 1, 0, /* |
| 255 Return a list of color names. | |
| 256 DEVICE specifies which device to return names for, and defaults to the | |
| 257 currently selected device. | |
| 258 */ | |
| 259 (device)) | |
| 260 { | |
| 261 device = wrap_device (decode_device (device)); | |
| 262 | |
| 263 return MAYBE_LISP_DEVMETH (XDEVICE (device), color_list, ()); | |
| 264 } | |
| 265 | |
| 428 | 266 |
| 267 /*************************************************************************** | |
| 268 * Font-Instance Object * | |
| 269 ***************************************************************************/ | |
| 270 | |
| 271 Lisp_Object Qfont_instancep; | |
| 272 | |
| 273 static Lisp_Object font_instance_truename_internal (Lisp_Object xfont, | |
| 578 | 274 Error_Behavior errb); |
| 934 | 275 |
| 1204 | 276 static const struct memory_description font_instance_data_description_1 []= { |
| 277 #ifdef HAVE_TTY | |
| 3092 | 278 #ifdef NEW_GC |
| 279 { XD_LISP_OBJECT, tty_console }, | |
| 280 #else /* not NEW_GC */ | |
| 281 { XD_BLOCK_PTR, tty_console, 1, { &tty_font_instance_data_description } }, | |
| 282 #endif /* not NEW_GC */ | |
| 1204 | 283 #endif |
| 934 | 284 { XD_END } |
| 285 }; | |
| 286 | |
| 1204 | 287 static const struct sized_memory_description font_instance_data_description = { |
| 288 sizeof (void *), font_instance_data_description_1 | |
| 934 | 289 }; |
| 290 | |
| 1204 | 291 static const struct memory_description font_instance_description[] = { |
| 934 | 292 { XD_INT, offsetof (Lisp_Font_Instance, font_instance_type) }, |
| 293 { XD_LISP_OBJECT, offsetof (Lisp_Font_Instance, name)}, | |
| 294 { XD_LISP_OBJECT, offsetof (Lisp_Font_Instance, truename)}, | |
| 295 { XD_LISP_OBJECT, offsetof (Lisp_Font_Instance, device)}, | |
| 3094 | 296 { XD_LISP_OBJECT, offsetof (Lisp_Font_Instance, charset)}, |
|
4426
515b91f904c1
Fix specifier inheritance behavior
Didier Verna <didier@xemacs.org>
parents:
3659
diff
changeset
|
297 { XD_UNION, offsetof (Lisp_Font_Instance, data), |
| 2551 | 298 XD_INDIRECT (0, 0), { &font_instance_data_description } }, |
| 1204 | 299 { XD_END } |
| 934 | 300 }; |
| 301 | |
| 428 | 302 |
| 303 static Lisp_Object | |
| 304 mark_font_instance (Lisp_Object obj) | |
| 305 { | |
| 440 | 306 Lisp_Font_Instance *f = XFONT_INSTANCE (obj); |
| 428 | 307 |
| 308 mark_object (f->name); | |
| 872 | 309 mark_object (f->truename); |
| 428 | 310 if (!NILP (f->device)) /* Vthe_null_font_instance */ |
| 311 MAYBE_DEVMETH (XDEVICE (f->device), mark_font_instance, (f)); | |
| 312 | |
| 313 return f->device; | |
| 314 } | |
| 315 | |
| 316 static void | |
| 317 print_font_instance (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag) | |
| 318 { | |
| 440 | 319 Lisp_Font_Instance *f = XFONT_INSTANCE (obj); |
| 428 | 320 if (print_readably) |
| 4846 | 321 printing_unreadable_lcrecord (obj, 0); |
| 800 | 322 write_fmt_string_lisp (printcharfun, "#<font-instance %S", 1, f->name); |
| 323 write_fmt_string_lisp (printcharfun, " on %s", 1, f->device); | |
| 428 | 324 if (!NILP (f->device)) |
| 3659 | 325 { |
| 326 MAYBE_DEVMETH (XDEVICE (f->device), print_font_instance, | |
| 327 (f, printcharfun, escapeflag)); | |
| 328 | |
| 329 } | |
| 800 | 330 write_fmt_string (printcharfun, " 0x%x>", f->header.uid); |
| 428 | 331 } |
| 332 | |
| 333 static void | |
| 334 finalize_font_instance (void *header, int for_disksave) | |
| 335 { | |
| 440 | 336 Lisp_Font_Instance *f = (Lisp_Font_Instance *) header; |
| 428 | 337 |
| 338 if (!NILP (f->device)) | |
| 339 { | |
| 340 if (for_disksave) finalose (f); | |
| 341 MAYBE_DEVMETH (XDEVICE (f->device), finalize_font_instance, (f)); | |
| 342 } | |
| 343 } | |
| 344 | |
| 345 /* Fonts are equal if they resolve to the same name. | |
| 346 Since we call `font-truename' to do this, and since font-truename is lazy, | |
| 347 this means the `equal' could cause XListFonts to be run the first time. | |
| 348 */ | |
| 349 static int | |
| 350 font_instance_equal (Lisp_Object obj1, Lisp_Object obj2, int depth) | |
| 351 { | |
| 352 /* #### should this be moved into a device method? */ | |
| 793 | 353 return internal_equal (font_instance_truename_internal |
| 354 (obj1, ERROR_ME_DEBUG_WARN), | |
| 355 font_instance_truename_internal | |
| 356 (obj2, ERROR_ME_DEBUG_WARN), | |
| 428 | 357 depth + 1); |
| 358 } | |
| 359 | |
| 2515 | 360 static Hashcode |
| 428 | 361 font_instance_hash (Lisp_Object obj, int depth) |
| 362 { | |
| 793 | 363 return internal_hash (font_instance_truename_internal |
| 364 (obj, ERROR_ME_DEBUG_WARN), | |
| 428 | 365 depth + 1); |
| 366 } | |
| 367 | |
| 934 | 368 DEFINE_LRECORD_IMPLEMENTATION ("font-instance", font_instance, |
| 369 0, /*dumpable-flag*/ | |
| 370 mark_font_instance, print_font_instance, | |
| 371 finalize_font_instance, font_instance_equal, | |
| 1204 | 372 font_instance_hash, font_instance_description, |
| 373 Lisp_Font_Instance); | |
| 934 | 374 |
| 428 | 375 |
| 3094 | 376 /* #### Why is this exposed to Lisp? Used in: |
| 377 x-frob-font-size, gtk-font-menu-load-font, x-font-menu-load-font-xft, | |
| 378 x-font-menu-load-font-core, mswindows-font-menu-load-font, | |
| 379 mswindows-frob-font-style-and-sizify, mswindows-frob-font-size. */ | |
| 380 DEFUN ("make-font-instance", Fmake_font_instance, 1, 4, 0, /* | |
| 428 | 381 Return a new `font-instance' object named NAME. |
| 382 DEVICE specifies the device this object applies to and defaults to the | |
| 383 selected device. An error is signalled if the font is unknown or cannot | |
| 384 be allocated; however, if NOERROR is non-nil, nil is simply returned in | |
| 3094 | 385 this case. CHARSET is used internally. #### make helper function? |
| 428 | 386 |
| 387 The returned object is a normal, first-class lisp object. The way you | |
| 388 `deallocate' the font is the way you deallocate any other lisp object: | |
| 389 you drop all pointers to it and allow it to be garbage collected. When | |
| 3094 | 390 these objects are GCed, the underlying GUI data is deallocated as well. |
| 428 | 391 */ |
| 3094 | 392 (name, device, noerror, charset)) |
| 428 | 393 { |
| 440 | 394 Lisp_Font_Instance *f; |
| 428 | 395 int retval = 0; |
| 578 | 396 Error_Behavior errb = decode_error_behavior_flag (noerror); |
| 428 | 397 |
| 398 if (ERRB_EQ (errb, ERROR_ME)) | |
| 399 CHECK_STRING (name); | |
| 400 else if (!STRINGP (name)) | |
| 401 return Qnil; | |
| 402 | |
| 793 | 403 device = wrap_device (decode_device (device)); |
| 428 | 404 |
| 3017 | 405 f = ALLOC_LCRECORD_TYPE (Lisp_Font_Instance, &lrecord_font_instance); |
| 428 | 406 f->name = name; |
| 872 | 407 f->truename = Qnil; |
| 428 | 408 f->device = device; |
| 409 | |
| 410 f->data = 0; | |
| 1204 | 411 f->font_instance_type = get_console_variant (XDEVICE_TYPE (f->device)); |
| 428 | 412 |
| 413 /* Stick some default values here ... */ | |
| 414 f->ascent = f->height = 1; | |
| 415 f->descent = 0; | |
| 416 f->width = 1; | |
| 3094 | 417 f->charset = charset; |
| 428 | 418 f->proportional_p = 0; |
| 419 | |
| 420 retval = MAYBE_INT_DEVMETH (XDEVICE (device), initialize_font_instance, | |
| 421 (f, name, device, errb)); | |
| 422 | |
| 423 if (!retval) | |
| 424 return Qnil; | |
| 425 | |
| 793 | 426 return wrap_font_instance (f); |
| 428 | 427 } |
| 428 | |
| 429 DEFUN ("font-instance-p", Ffont_instance_p, 1, 1, 0, /* | |
| 430 Return non-nil if OBJECT is a font instance. | |
| 431 */ | |
| 432 (object)) | |
| 433 { | |
| 434 return FONT_INSTANCEP (object) ? Qt : Qnil; | |
| 435 } | |
| 436 | |
| 437 DEFUN ("font-instance-name", Ffont_instance_name, 1, 1, 0, /* | |
| 438 Return the name used to allocate FONT-INSTANCE. | |
| 439 */ | |
| 440 (font_instance)) | |
| 441 { | |
| 442 CHECK_FONT_INSTANCE (font_instance); | |
| 443 return XFONT_INSTANCE (font_instance)->name; | |
| 444 } | |
| 445 | |
| 446 DEFUN ("font-instance-ascent", Ffont_instance_ascent, 1, 1, 0, /* | |
| 447 Return the ascent in pixels of FONT-INSTANCE. | |
| 448 The returned value is the maximum ascent for all characters in the font, | |
| 449 where a character's ascent is the number of pixels above (and including) | |
| 450 the baseline. | |
| 451 */ | |
| 452 (font_instance)) | |
| 453 { | |
| 454 CHECK_FONT_INSTANCE (font_instance); | |
| 455 return make_int (XFONT_INSTANCE (font_instance)->ascent); | |
| 456 } | |
| 457 | |
| 458 DEFUN ("font-instance-descent", Ffont_instance_descent, 1, 1, 0, /* | |
| 459 Return the descent in pixels of FONT-INSTANCE. | |
| 460 The returned value is the maximum descent for all characters in the font, | |
| 461 where a character's descent is the number of pixels below the baseline. | |
| 462 \(Many characters to do not have any descent. Typical characters with a | |
| 463 descent are lowercase p and lowercase g.) | |
| 464 */ | |
| 465 (font_instance)) | |
| 466 { | |
| 467 CHECK_FONT_INSTANCE (font_instance); | |
| 468 return make_int (XFONT_INSTANCE (font_instance)->descent); | |
| 469 } | |
| 470 | |
| 471 DEFUN ("font-instance-width", Ffont_instance_width, 1, 1, 0, /* | |
| 472 Return the width in pixels of FONT-INSTANCE. | |
| 473 The returned value is the average width for all characters in the font. | |
| 474 */ | |
| 475 (font_instance)) | |
| 476 { | |
| 477 CHECK_FONT_INSTANCE (font_instance); | |
| 478 return make_int (XFONT_INSTANCE (font_instance)->width); | |
| 479 } | |
| 480 | |
| 481 DEFUN ("font-instance-proportional-p", Ffont_instance_proportional_p, 1, 1, 0, /* | |
| 482 Return whether FONT-INSTANCE is proportional. | |
| 483 This means that different characters in the font have different widths. | |
| 484 */ | |
| 485 (font_instance)) | |
| 486 { | |
| 487 CHECK_FONT_INSTANCE (font_instance); | |
| 488 return XFONT_INSTANCE (font_instance)->proportional_p ? Qt : Qnil; | |
| 489 } | |
| 490 | |
| 491 static Lisp_Object | |
| 492 font_instance_truename_internal (Lisp_Object font_instance, | |
| 578 | 493 Error_Behavior errb) |
| 428 | 494 { |
| 440 | 495 Lisp_Font_Instance *f = XFONT_INSTANCE (font_instance); |
| 496 | |
| 428 | 497 if (NILP (f->device)) |
| 498 { | |
|
4757
a23ac8f90a49
Improve warning and error messages from Xft.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4426
diff
changeset
|
499 maybe_signal_error (Qgui_error, |
|
a23ac8f90a49
Improve warning and error messages from Xft.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4426
diff
changeset
|
500 "can't determine truename: " |
|
a23ac8f90a49
Improve warning and error messages from Xft.
Stephen J. Turnbull <stephen@xemacs.org>
parents:
4426
diff
changeset
|
501 "no device for font instance", |
|
a23ac8f90a49
Improve warning and error messages from Xft.
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502 font_instance, Qfont, errb); |
| 428 | 503 return Qnil; |
| 504 } | |
| 440 | 505 |
| 428 | 506 return DEVMETH_OR_GIVEN (XDEVICE (f->device), |
| 507 font_instance_truename, (f, errb), f->name); | |
| 508 } | |
| 509 | |
| 510 DEFUN ("font-instance-truename", Ffont_instance_truename, 1, 1, 0, /* | |
| 511 Return the canonical name of FONT-INSTANCE. | |
| 512 Font names are patterns which may match any number of fonts, of which | |
| 513 the first found is used. This returns an unambiguous name for that font | |
| 514 \(but not necessarily its only unambiguous name). | |
| 515 */ | |
| 516 (font_instance)) | |
| 517 { | |
| 518 CHECK_FONT_INSTANCE (font_instance); | |
| 519 return font_instance_truename_internal (font_instance, ERROR_ME); | |
| 520 } | |
| 521 | |
| 3094 | 522 DEFUN ("font-instance-charset", Ffont_instance_charset, 1, 1, 0, /* |
| 523 Return the Mule charset that FONT-INSTANCE was allocated to handle. | |
| 524 */ | |
| 525 (font_instance)) | |
| 526 { | |
| 527 CHECK_FONT_INSTANCE (font_instance); | |
| 528 return XFONT_INSTANCE (font_instance)->charset; | |
| 529 } | |
| 530 | |
| 428 | 531 DEFUN ("font-instance-properties", Ffont_instance_properties, 1, 1, 0, /* |
| 532 Return the properties (an alist or nil) of FONT-INSTANCE. | |
| 533 */ | |
| 534 (font_instance)) | |
| 535 { | |
| 440 | 536 Lisp_Font_Instance *f; |
| 428 | 537 |
| 538 CHECK_FONT_INSTANCE (font_instance); | |
| 539 f = XFONT_INSTANCE (font_instance); | |
| 540 | |
| 541 if (NILP (f->device)) | |
| 542 return Qnil; | |
| 543 | |
| 544 return MAYBE_LISP_DEVMETH (XDEVICE (f->device), | |
| 545 font_instance_properties, (f)); | |
| 546 } | |
| 547 | |
| 2527 | 548 DEFUN ("font-list", Ffont_list, 1, 3, 0, /* |
| 428 | 549 Return a list of font names matching the given pattern. |
| 550 DEVICE specifies which device to search for names, and defaults to the | |
| 551 currently selected device. | |
| 552 */ | |
| 1701 | 553 (pattern, device, maxnumber)) |
| 428 | 554 { |
| 555 CHECK_STRING (pattern); | |
| 793 | 556 device = wrap_device (decode_device (device)); |
| 428 | 557 |
| 2527 | 558 return MAYBE_LISP_DEVMETH (XDEVICE (device), font_list, (pattern, device, |
| 1701 | 559 maxnumber)); |
| 428 | 560 } |
| 561 | |
| 562 | |
| 563 /**************************************************************************** | |
| 564 Color Object | |
| 565 ***************************************************************************/ | |
| 1204 | 566 |
| 567 static const struct memory_description color_specifier_description[] = { | |
| 568 { XD_LISP_OBJECT, offsetof (struct color_specifier, face) }, | |
| 569 { XD_LISP_OBJECT, offsetof (struct color_specifier, face_property) }, | |
| 570 { XD_END } | |
| 571 }; | |
| 572 | |
| 573 DEFINE_SPECIFIER_TYPE_WITH_DATA (color); | |
| 428 | 574 /* Qcolor defined in general.c */ |
| 575 | |
| 576 static void | |
| 577 color_create (Lisp_Object obj) | |
| 578 { | |
| 440 | 579 Lisp_Specifier *color = XCOLOR_SPECIFIER (obj); |
| 428 | 580 |
| 581 COLOR_SPECIFIER_FACE (color) = Qnil; | |
| 582 COLOR_SPECIFIER_FACE_PROPERTY (color) = Qnil; | |
| 583 } | |
| 584 | |
| 585 static void | |
| 586 color_mark (Lisp_Object obj) | |
| 587 { | |
| 440 | 588 Lisp_Specifier *color = XCOLOR_SPECIFIER (obj); |
| 428 | 589 |
| 590 mark_object (COLOR_SPECIFIER_FACE (color)); | |
| 591 mark_object (COLOR_SPECIFIER_FACE_PROPERTY (color)); | |
| 592 } | |
| 593 | |
| 594 /* No equal or hash methods; ignore the face the color is based off | |
| 595 of for `equal' */ | |
| 596 | |
| 597 static Lisp_Object | |
| 2286 | 598 color_instantiate (Lisp_Object specifier, Lisp_Object UNUSED (matchspec), |
| 428 | 599 Lisp_Object domain, Lisp_Object instantiator, |
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600 Lisp_Object depth, int no_fallback) |
| 428 | 601 { |
| 602 /* When called, we're inside of call_with_suspended_errors(), | |
| 603 so we can freely error. */ | |
| 442 | 604 Lisp_Object device = DOMAIN_DEVICE (domain); |
| 428 | 605 struct device *d = XDEVICE (device); |
| 606 | |
| 607 if (COLOR_INSTANCEP (instantiator)) | |
| 608 { | |
| 609 /* If we are on the same device then we're done. Otherwise change | |
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610 the instantiator to the name used to generate the pixel and let the |
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611 STRINGP case deal with it. */ |
| 428 | 612 if (NILP (device) /* Vthe_null_color_instance */ |
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613 || EQ (device, XCOLOR_INSTANCE (instantiator)->device)) |
| 428 | 614 return instantiator; |
| 615 else | |
| 616 instantiator = Fcolor_instance_name (instantiator); | |
| 617 } | |
| 618 | |
| 619 if (STRINGP (instantiator)) | |
| 620 { | |
| 621 /* First, look to see if we can retrieve a cached value. */ | |
| 622 Lisp_Object instance = | |
| 623 Fgethash (instantiator, d->color_instance_cache, Qunbound); | |
| 624 /* Otherwise, make a new one. */ | |
| 625 if (UNBOUNDP (instance)) | |
| 626 { | |
| 627 /* make sure we cache the failures, too. */ | |
| 628 instance = Fmake_color_instance (instantiator, device, Qt); | |
| 629 Fputhash (instantiator, instance, d->color_instance_cache); | |
| 630 } | |
| 631 | |
| 632 return NILP (instance) ? Qunbound : instance; | |
| 633 } | |
| 634 else if (VECTORP (instantiator)) | |
| 635 { | |
| 636 switch (XVECTOR_LENGTH (instantiator)) | |
| 637 { | |
| 638 case 0: | |
| 639 if (DEVICE_TTY_P (d)) | |
| 640 return Vthe_null_color_instance; | |
| 641 else | |
| 563 | 642 gui_error ("Color instantiator [] only valid on TTY's", |
| 428 | 643 device); |
| 644 | |
| 645 case 1: | |
| 646 if (NILP (COLOR_SPECIFIER_FACE (XCOLOR_SPECIFIER (specifier)))) | |
| 563 | 647 gui_error ("Color specifier not attached to a face", |
| 428 | 648 instantiator); |
| 649 return (FACE_PROPERTY_INSTANCE_1 | |
| 650 (Fget_face (XVECTOR_DATA (instantiator)[0]), | |
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651 COLOR_SPECIFIER_FACE_PROPERTY |
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652 (XCOLOR_SPECIFIER (specifier)), |
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653 domain, ERROR_ME, no_fallback, depth)); |
| 428 | 654 |
| 655 case 2: | |
| 656 return (FACE_PROPERTY_INSTANCE_1 | |
| 657 (Fget_face (XVECTOR_DATA (instantiator)[0]), | |
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658 XVECTOR_DATA (instantiator)[1], domain, ERROR_ME, |
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659 no_fallback, depth)); |
| 428 | 660 |
| 661 default: | |
| 2500 | 662 ABORT (); |
| 428 | 663 } |
| 664 } | |
| 665 else if (NILP (instantiator)) | |
| 666 { | |
| 667 if (DEVICE_TTY_P (d)) | |
| 668 return Vthe_null_color_instance; | |
| 669 else | |
| 563 | 670 gui_error ("Color instantiator [] only valid on TTY's", |
| 428 | 671 device); |
| 672 } | |
| 673 else | |
| 2500 | 674 ABORT (); /* The spec validation routines are screwed up. */ |
| 428 | 675 |
| 676 return Qunbound; | |
| 677 } | |
| 678 | |
| 679 static void | |
| 680 color_validate (Lisp_Object instantiator) | |
| 681 { | |
| 682 if (COLOR_INSTANCEP (instantiator) || STRINGP (instantiator)) | |
| 683 return; | |
| 684 if (VECTORP (instantiator)) | |
| 685 { | |
| 686 if (XVECTOR_LENGTH (instantiator) > 2) | |
| 563 | 687 sferror ("Inheritance vector must be of size 0 - 2", |
| 428 | 688 instantiator); |
| 689 else if (XVECTOR_LENGTH (instantiator) > 0) | |
| 690 { | |
| 691 Lisp_Object face = XVECTOR_DATA (instantiator)[0]; | |
| 692 | |
| 693 Fget_face (face); | |
| 694 if (XVECTOR_LENGTH (instantiator) == 2) | |
| 695 { | |
| 696 Lisp_Object field = XVECTOR_DATA (instantiator)[1]; | |
| 697 if (!EQ (field, Qforeground) && !EQ (field, Qbackground)) | |
| 563 | 698 invalid_constant |
| 428 | 699 ("Inheritance field must be `foreground' or `background'", |
| 700 field); | |
| 701 } | |
| 702 } | |
| 703 } | |
| 704 else | |
| 563 | 705 invalid_argument ("Invalid color instantiator", instantiator); |
| 428 | 706 } |
| 707 | |
| 708 static void | |
| 709 color_after_change (Lisp_Object specifier, Lisp_Object locale) | |
| 710 { | |
| 711 Lisp_Object face = COLOR_SPECIFIER_FACE (XCOLOR_SPECIFIER (specifier)); | |
| 712 Lisp_Object property = | |
| 713 COLOR_SPECIFIER_FACE_PROPERTY (XCOLOR_SPECIFIER (specifier)); | |
| 714 if (!NILP (face)) | |
| 448 | 715 { |
| 716 face_property_was_changed (face, property, locale); | |
| 717 if (BUFFERP (locale)) | |
| 718 XBUFFER (locale)->buffer_local_face_property = 1; | |
| 719 } | |
| 428 | 720 } |
| 721 | |
| 722 void | |
| 723 set_color_attached_to (Lisp_Object obj, Lisp_Object face, Lisp_Object property) | |
| 724 { | |
| 440 | 725 Lisp_Specifier *color = XCOLOR_SPECIFIER (obj); |
| 428 | 726 |
| 727 COLOR_SPECIFIER_FACE (color) = face; | |
| 728 COLOR_SPECIFIER_FACE_PROPERTY (color) = property; | |
| 729 } | |
| 730 | |
| 731 DEFUN ("color-specifier-p", Fcolor_specifier_p, 1, 1, 0, /* | |
| 732 Return t if OBJECT is a color specifier. | |
| 733 | |
| 442 | 734 See `make-color-specifier' for a description of possible color instantiators. |
| 428 | 735 */ |
| 736 (object)) | |
| 737 { | |
| 738 return COLOR_SPECIFIERP (object) ? Qt : Qnil; | |
| 739 } | |
| 740 | |
| 741 | |
| 742 /**************************************************************************** | |
| 743 Font Object | |
| 744 ***************************************************************************/ | |
| 1204 | 745 |
| 746 static const struct memory_description font_specifier_description[] = { | |
| 747 { XD_LISP_OBJECT, offsetof (struct font_specifier, face) }, | |
| 748 { XD_LISP_OBJECT, offsetof (struct font_specifier, face_property) }, | |
| 749 { XD_END } | |
| 750 }; | |
| 751 | |
| 752 DEFINE_SPECIFIER_TYPE_WITH_DATA (font); | |
| 428 | 753 /* Qfont defined in general.c */ |
| 754 | |
| 755 static void | |
| 756 font_create (Lisp_Object obj) | |
| 757 { | |
| 440 | 758 Lisp_Specifier *font = XFONT_SPECIFIER (obj); |
| 428 | 759 |
| 760 FONT_SPECIFIER_FACE (font) = Qnil; | |
| 761 FONT_SPECIFIER_FACE_PROPERTY (font) = Qnil; | |
| 762 } | |
| 763 | |
| 764 static void | |
| 765 font_mark (Lisp_Object obj) | |
| 766 { | |
| 440 | 767 Lisp_Specifier *font = XFONT_SPECIFIER (obj); |
| 428 | 768 |
| 769 mark_object (FONT_SPECIFIER_FACE (font)); | |
| 770 mark_object (FONT_SPECIFIER_FACE_PROPERTY (font)); | |
| 771 } | |
| 772 | |
| 773 /* No equal or hash methods; ignore the face the font is based off | |
| 774 of for `equal' */ | |
| 775 | |
| 776 #ifdef MULE | |
| 777 | |
| 872 | 778 /* Given a truename font spec (i.e. the font spec should have its registry |
| 779 field filled in), does it support displaying characters from CHARSET? */ | |
| 780 | |
| 781 static int | |
| 428 | 782 font_spec_matches_charset (struct device *d, Lisp_Object charset, |
| 867 | 783 const Ibyte *nonreloc, Lisp_Object reloc, |
| 872 | 784 Bytecount offset, Bytecount length, |
| 3659 | 785 enum font_specifier_matchspec_stages stage) |
| 428 | 786 { |
| 787 return DEVMETH_OR_GIVEN (d, font_spec_matches_charset, | |
| 872 | 788 (d, charset, nonreloc, reloc, offset, length, |
| 789 stage), | |
| 428 | 790 1); |
| 791 } | |
| 792 | |
| 793 static void | |
| 794 font_validate_matchspec (Lisp_Object matchspec) | |
| 795 { | |
| 872 | 796 CHECK_CONS (matchspec); |
| 797 Fget_charset (XCAR (matchspec)); | |
| 3659 | 798 |
| 799 do | |
| 800 { | |
| 801 if (EQ(XCDR(matchspec), Qinitial)) | |
| 802 { | |
| 803 break; | |
| 804 } | |
| 805 if (EQ(XCDR(matchspec), Qfinal)) | |
| 806 { | |
| 807 break; | |
| 808 } | |
| 809 | |
| 810 invalid_argument("Invalid font matchspec stage", | |
| 811 XCDR(matchspec)); | |
| 812 } while (0); | |
| 428 | 813 } |
| 814 | |
| 872 | 815 void |
| 816 initialize_charset_font_caches (struct device *d) | |
| 817 { | |
| 818 /* Note that the following tables are bi-level. */ | |
| 819 d->charset_font_cache_stage_1 = | |
| 820 make_lisp_hash_table (20, HASH_TABLE_NON_WEAK, HASH_TABLE_EQ); | |
| 821 d->charset_font_cache_stage_2 = | |
| 822 make_lisp_hash_table (20, HASH_TABLE_NON_WEAK, HASH_TABLE_EQ); | |
| 823 } | |
| 824 | |
| 825 void | |
| 826 invalidate_charset_font_caches (Lisp_Object charset) | |
| 827 { | |
| 828 /* Invalidate font cache entries for charset on all devices. */ | |
| 829 Lisp_Object devcons, concons, hash_table; | |
| 830 DEVICE_LOOP_NO_BREAK (devcons, concons) | |
| 831 { | |
| 832 struct device *d = XDEVICE (XCAR (devcons)); | |
| 833 hash_table = Fgethash (charset, d->charset_font_cache_stage_1, | |
| 834 Qunbound); | |
| 835 if (!UNBOUNDP (hash_table)) | |
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changeset
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836 Fclrhash (hash_table); |
| 872 | 837 hash_table = Fgethash (charset, d->charset_font_cache_stage_2, |
| 838 Qunbound); | |
| 839 if (!UNBOUNDP (hash_table)) | |
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840 Fclrhash (hash_table); |
| 872 | 841 } |
| 842 } | |
| 428 | 843 |
| 874 | 844 #endif /* MULE */ |
| 845 | |
| 846 | |
| 428 | 847 static Lisp_Object |
| 2333 | 848 font_instantiate (Lisp_Object UNUSED (specifier), |
| 849 Lisp_Object USED_IF_MULE (matchspec), | |
| 428 | 850 Lisp_Object domain, Lisp_Object instantiator, |
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851 Lisp_Object depth, int no_fallback) |
| 428 | 852 { |
| 853 /* When called, we're inside of call_with_suspended_errors(), | |
| 854 so we can freely error. */ | |
| 442 | 855 Lisp_Object device = DOMAIN_DEVICE (domain); |
| 428 | 856 struct device *d = XDEVICE (device); |
| 857 Lisp_Object instance; | |
| 872 | 858 Lisp_Object charset = Qnil; |
| 1204 | 859 #ifdef MULE |
| 3659 | 860 enum font_specifier_matchspec_stages stage = initial; |
| 428 | 861 |
| 862 if (!UNBOUNDP (matchspec)) | |
| 872 | 863 { |
| 864 charset = Fget_charset (XCAR (matchspec)); | |
| 3659 | 865 |
| 866 #define FROB(new_stage) if (EQ(Q##new_stage, XCDR(matchspec))) \ | |
| 867 { \ | |
| 868 stage = new_stage; \ | |
| 869 } | |
| 870 | |
| 871 FROB(initial) | |
| 872 else FROB(final) | |
| 873 else assert(0); | |
| 874 | |
| 875 #undef FROB | |
| 876 | |
| 872 | 877 } |
| 428 | 878 #endif |
| 879 | |
| 880 if (FONT_INSTANCEP (instantiator)) | |
| 881 { | |
| 882 if (NILP (device) | |
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883 || EQ (device, XFONT_INSTANCE (instantiator)->device)) |
| 428 | 884 { |
| 885 #ifdef MULE | |
| 872 | 886 if (font_spec_matches_charset (d, charset, 0, |
| 428 | 887 Ffont_instance_truename |
| 888 (instantiator), | |
| 872 | 889 0, -1, stage)) |
| 1204 | 890 #endif |
| 428 | 891 return instantiator; |
| 892 } | |
| 893 instantiator = Ffont_instance_name (instantiator); | |
| 894 } | |
| 895 | |
| 896 if (STRINGP (instantiator)) | |
| 897 { | |
| 874 | 898 #ifdef MULE |
| 3659 | 899 /* #### rename these caches. */ |
| 872 | 900 Lisp_Object cache = stage ? d->charset_font_cache_stage_2 : |
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901 d->charset_font_cache_stage_1; |
| 874 | 902 #else |
| 903 Lisp_Object cache = d->font_instance_cache; | |
| 904 #endif | |
| 872 | 905 |
| 428 | 906 #ifdef MULE |
| 872 | 907 if (!NILP (charset)) |
| 428 | 908 { |
| 909 /* The instantiator is a font spec that could match many | |
| 910 different fonts. We need to find one of those fonts | |
| 911 whose registry matches the registry of the charset in | |
| 912 MATCHSPEC. This is potentially a very slow operation, | |
| 913 as it involves doing an XListFonts() or equivalent to | |
| 914 iterate over all possible fonts, and a regexp match | |
| 915 on each one. So we cache the results. */ | |
| 916 Lisp_Object matching_font = Qunbound; | |
| 872 | 917 Lisp_Object hash_table = Fgethash (charset, cache, Qunbound); |
| 428 | 918 if (UNBOUNDP (hash_table)) |
| 919 { | |
| 920 /* need to make a sub hash table. */ | |
| 921 hash_table = make_lisp_hash_table (20, HASH_TABLE_KEY_WEAK, | |
| 922 HASH_TABLE_EQUAL); | |
| 872 | 923 Fputhash (charset, hash_table, cache); |
| 428 | 924 } |
| 925 else | |
| 926 matching_font = Fgethash (instantiator, hash_table, Qunbound); | |
| 927 | |
| 928 if (UNBOUNDP (matching_font)) | |
| 929 { | |
| 930 /* make sure we cache the failures, too. */ | |
| 931 matching_font = | |
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932 DEVMETH_OR_GIVEN (d, find_charset_font, |
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933 (device, instantiator, charset, stage), |
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934 instantiator); |
| 428 | 935 Fputhash (instantiator, matching_font, hash_table); |
| 936 } | |
| 937 if (NILP (matching_font)) | |
| 938 return Qunbound; | |
| 939 instantiator = matching_font; | |
| 940 } | |
| 941 #endif /* MULE */ | |
| 942 | |
| 943 /* First, look to see if we can retrieve a cached value. */ | |
| 872 | 944 instance = Fgethash (instantiator, cache, Qunbound); |
| 428 | 945 /* Otherwise, make a new one. */ |
| 946 if (UNBOUNDP (instance)) | |
| 947 { | |
| 948 /* make sure we cache the failures, too. */ | |
| 3094 | 949 instance = Fmake_font_instance (instantiator, device, Qt, charset); |
| 872 | 950 Fputhash (instantiator, instance, cache); |
| 428 | 951 } |
| 952 | |
| 953 return NILP (instance) ? Qunbound : instance; | |
| 954 } | |
| 955 else if (VECTORP (instantiator)) | |
| 956 { | |
| 3659 | 957 Lisp_Object match_inst = Qunbound; |
| 428 | 958 assert (XVECTOR_LENGTH (instantiator) == 1); |
| 3659 | 959 |
| 960 match_inst = face_property_matching_instance | |
| 961 (Fget_face (XVECTOR_DATA (instantiator)[0]), Qfont, | |
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962 charset, domain, ERROR_ME, no_fallback, depth, initial); |
| 3659 | 963 |
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964 if (UNBOUNDP(match_inst)) |
| 3659 | 965 { |
| 966 match_inst = face_property_matching_instance | |
| 967 (Fget_face (XVECTOR_DATA (instantiator)[0]), Qfont, | |
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968 charset, domain, ERROR_ME, no_fallback, depth, final); |
| 3659 | 969 } |
| 970 | |
| 971 return match_inst; | |
| 972 | |
| 428 | 973 } |
| 974 else if (NILP (instantiator)) | |
| 975 return Qunbound; | |
| 976 else | |
| 2500 | 977 ABORT (); /* Eh? */ |
| 428 | 978 |
| 979 return Qunbound; | |
| 980 } | |
| 981 | |
| 982 static void | |
| 983 font_validate (Lisp_Object instantiator) | |
| 984 { | |
| 985 if (FONT_INSTANCEP (instantiator) || STRINGP (instantiator)) | |
| 986 return; | |
| 987 if (VECTORP (instantiator)) | |
| 988 { | |
| 989 if (XVECTOR_LENGTH (instantiator) != 1) | |
| 990 { | |
| 563 | 991 sferror |
| 428 | 992 ("Vector length must be one for font inheritance", instantiator); |
| 993 } | |
| 994 Fget_face (XVECTOR_DATA (instantiator)[0]); | |
| 995 } | |
| 996 else | |
| 563 | 997 invalid_argument ("Must be string, vector, or font-instance", |
| 428 | 998 instantiator); |
| 999 } | |
| 1000 | |
| 1001 static void | |
| 1002 font_after_change (Lisp_Object specifier, Lisp_Object locale) | |
| 1003 { | |
| 1004 Lisp_Object face = FONT_SPECIFIER_FACE (XFONT_SPECIFIER (specifier)); | |
| 1005 Lisp_Object property = | |
| 1006 FONT_SPECIFIER_FACE_PROPERTY (XFONT_SPECIFIER (specifier)); | |
| 1007 if (!NILP (face)) | |
| 448 | 1008 { |
| 1009 face_property_was_changed (face, property, locale); | |
| 1010 if (BUFFERP (locale)) | |
| 1011 XBUFFER (locale)->buffer_local_face_property = 1; | |
| 1012 } | |
| 428 | 1013 } |
| 1014 | |
| 1015 void | |
| 1016 set_font_attached_to (Lisp_Object obj, Lisp_Object face, Lisp_Object property) | |
| 1017 { | |
| 440 | 1018 Lisp_Specifier *font = XFONT_SPECIFIER (obj); |
| 428 | 1019 |
| 1020 FONT_SPECIFIER_FACE (font) = face; | |
| 1021 FONT_SPECIFIER_FACE_PROPERTY (font) = property; | |
| 1022 } | |
| 1023 | |
| 1024 DEFUN ("font-specifier-p", Ffont_specifier_p, 1, 1, 0, /* | |
| 1025 Return non-nil if OBJECT is a font specifier. | |
| 1026 | |
| 442 | 1027 See `make-font-specifier' for a description of possible font instantiators. |
| 428 | 1028 */ |
| 1029 (object)) | |
| 1030 { | |
| 1031 return FONT_SPECIFIERP (object) ? Qt : Qnil; | |
| 1032 } | |
| 1033 | |
| 1034 | |
| 1035 /***************************************************************************** | |
| 1036 Face Boolean Object | |
| 1037 ****************************************************************************/ | |
| 1204 | 1038 |
| 1039 static const struct memory_description face_boolean_specifier_description[] = { | |
| 1040 { XD_LISP_OBJECT, offsetof (struct face_boolean_specifier, face) }, | |
| 1041 { XD_LISP_OBJECT, offsetof (struct face_boolean_specifier, face_property) }, | |
| 1042 { XD_END } | |
| 1043 }; | |
| 1044 | |
| 1045 DEFINE_SPECIFIER_TYPE_WITH_DATA (face_boolean); | |
| 428 | 1046 Lisp_Object Qface_boolean; |
| 1047 | |
| 1048 static void | |
| 1049 face_boolean_create (Lisp_Object obj) | |
| 1050 { | |
| 440 | 1051 Lisp_Specifier *face_boolean = XFACE_BOOLEAN_SPECIFIER (obj); |
| 428 | 1052 |
| 1053 FACE_BOOLEAN_SPECIFIER_FACE (face_boolean) = Qnil; | |
| 1054 FACE_BOOLEAN_SPECIFIER_FACE_PROPERTY (face_boolean) = Qnil; | |
| 1055 } | |
| 1056 | |
| 1057 static void | |
| 1058 face_boolean_mark (Lisp_Object obj) | |
| 1059 { | |
| 440 | 1060 Lisp_Specifier *face_boolean = XFACE_BOOLEAN_SPECIFIER (obj); |
| 428 | 1061 |
| 1062 mark_object (FACE_BOOLEAN_SPECIFIER_FACE (face_boolean)); | |
| 1063 mark_object (FACE_BOOLEAN_SPECIFIER_FACE_PROPERTY (face_boolean)); | |
| 1064 } | |
| 1065 | |
| 1066 /* No equal or hash methods; ignore the face the face-boolean is based off | |
| 1067 of for `equal' */ | |
| 1068 | |
| 1069 static Lisp_Object | |
| 2286 | 1070 face_boolean_instantiate (Lisp_Object specifier, |
| 1071 Lisp_Object UNUSED (matchspec), | |
| 428 | 1072 Lisp_Object domain, Lisp_Object instantiator, |
|
4426
515b91f904c1
Fix specifier inheritance behavior
Didier Verna <didier@xemacs.org>
parents:
3659
diff
changeset
|
1073 Lisp_Object depth, int no_fallback) |
| 428 | 1074 { |
| 1075 /* When called, we're inside of call_with_suspended_errors(), | |
| 1076 so we can freely error. */ | |
| 1077 if (NILP (instantiator) || EQ (instantiator, Qt)) | |
| 1078 return instantiator; | |
| 1079 else if (VECTORP (instantiator)) | |
| 1080 { | |
| 1081 Lisp_Object retval; | |
| 1082 Lisp_Object prop; | |
| 1083 int instantiator_len = XVECTOR_LENGTH (instantiator); | |
| 1084 | |
| 1085 assert (instantiator_len >= 1 && instantiator_len <= 3); | |
| 1086 if (instantiator_len > 1) | |
| 1087 prop = XVECTOR_DATA (instantiator)[1]; | |
| 1088 else | |
| 1089 { | |
| 1090 if (NILP (FACE_BOOLEAN_SPECIFIER_FACE | |
| 1091 (XFACE_BOOLEAN_SPECIFIER (specifier)))) | |
| 563 | 1092 gui_error |
| 428 | 1093 ("Face-boolean specifier not attached to a face", instantiator); |
| 1094 prop = FACE_BOOLEAN_SPECIFIER_FACE_PROPERTY | |
| 1095 (XFACE_BOOLEAN_SPECIFIER (specifier)); | |
| 1096 } | |
| 1097 | |
| 1098 retval = (FACE_PROPERTY_INSTANCE_1 | |
| 1099 (Fget_face (XVECTOR_DATA (instantiator)[0]), | |
|
4426
515b91f904c1
Fix specifier inheritance behavior
Didier Verna <didier@xemacs.org>
parents:
3659
diff
changeset
|
1100 prop, domain, ERROR_ME, no_fallback, depth)); |
| 428 | 1101 |
| 1102 if (instantiator_len == 3 && !NILP (XVECTOR_DATA (instantiator)[2])) | |
| 1103 retval = NILP (retval) ? Qt : Qnil; | |
| 1104 | |
| 1105 return retval; | |
| 1106 } | |
| 1107 else | |
| 2500 | 1108 ABORT (); /* Eh? */ |
| 428 | 1109 |
| 1110 return Qunbound; | |
| 1111 } | |
| 1112 | |
| 1113 static void | |
| 1114 face_boolean_validate (Lisp_Object instantiator) | |
| 1115 { | |
| 1116 if (NILP (instantiator) || EQ (instantiator, Qt)) | |
| 1117 return; | |
| 1118 else if (VECTORP (instantiator) && | |
| 1119 (XVECTOR_LENGTH (instantiator) >= 1 && | |
| 1120 XVECTOR_LENGTH (instantiator) <= 3)) | |
| 1121 { | |
| 1122 Lisp_Object face = XVECTOR_DATA (instantiator)[0]; | |
| 1123 | |
| 1124 Fget_face (face); | |
| 1125 | |
| 1126 if (XVECTOR_LENGTH (instantiator) > 1) | |
| 1127 { | |
| 1128 Lisp_Object field = XVECTOR_DATA (instantiator)[1]; | |
| 1129 if (!EQ (field, Qunderline) | |
| 1130 && !EQ (field, Qstrikethru) | |
| 1131 && !EQ (field, Qhighlight) | |
| 1132 && !EQ (field, Qdim) | |
| 1133 && !EQ (field, Qblinking) | |
| 1134 && !EQ (field, Qreverse)) | |
| 563 | 1135 invalid_constant ("Invalid face-boolean inheritance field", |
| 428 | 1136 field); |
| 1137 } | |
| 1138 } | |
| 1139 else if (VECTORP (instantiator)) | |
| 563 | 1140 sferror ("Wrong length for face-boolean inheritance spec", |
| 428 | 1141 instantiator); |
| 1142 else | |
| 563 | 1143 invalid_argument ("Face-boolean instantiator must be nil, t, or vector", |
| 428 | 1144 instantiator); |
| 1145 } | |
| 1146 | |
| 1147 static void | |
| 1148 face_boolean_after_change (Lisp_Object specifier, Lisp_Object locale) | |
| 1149 { | |
| 1150 Lisp_Object face = | |
| 1151 FACE_BOOLEAN_SPECIFIER_FACE (XFACE_BOOLEAN_SPECIFIER (specifier)); | |
| 1152 Lisp_Object property = | |
| 1153 FACE_BOOLEAN_SPECIFIER_FACE_PROPERTY (XFACE_BOOLEAN_SPECIFIER (specifier)); | |
| 1154 if (!NILP (face)) | |
| 448 | 1155 { |
| 1156 face_property_was_changed (face, property, locale); | |
| 1157 if (BUFFERP (locale)) | |
| 1158 XBUFFER (locale)->buffer_local_face_property = 1; | |
| 1159 } | |
| 428 | 1160 } |
| 1161 | |
| 1162 void | |
| 1163 set_face_boolean_attached_to (Lisp_Object obj, Lisp_Object face, | |
| 1164 Lisp_Object property) | |
| 1165 { | |
| 440 | 1166 Lisp_Specifier *face_boolean = XFACE_BOOLEAN_SPECIFIER (obj); |
| 428 | 1167 |
| 1168 FACE_BOOLEAN_SPECIFIER_FACE (face_boolean) = face; | |
| 1169 FACE_BOOLEAN_SPECIFIER_FACE_PROPERTY (face_boolean) = property; | |
| 1170 } | |
| 1171 | |
| 1172 DEFUN ("face-boolean-specifier-p", Fface_boolean_specifier_p, 1, 1, 0, /* | |
| 1173 Return non-nil if OBJECT is a face-boolean specifier. | |
| 1174 | |
| 442 | 1175 See `make-face-boolean-specifier' for a description of possible |
| 1176 face-boolean instantiators. | |
| 428 | 1177 */ |
| 1178 (object)) | |
| 1179 { | |
| 1180 return FACE_BOOLEAN_SPECIFIERP (object) ? Qt : Qnil; | |
| 1181 } | |
| 1182 | |
| 1183 | |
| 1184 /************************************************************************/ | |
| 1185 /* initialization */ | |
| 1186 /************************************************************************/ | |
| 1187 | |
| 1188 void | |
| 1189 syms_of_objects (void) | |
| 1190 { | |
| 442 | 1191 INIT_LRECORD_IMPLEMENTATION (color_instance); |
| 1192 INIT_LRECORD_IMPLEMENTATION (font_instance); | |
| 1193 | |
| 428 | 1194 DEFSUBR (Fcolor_specifier_p); |
| 1195 DEFSUBR (Ffont_specifier_p); | |
| 1196 DEFSUBR (Fface_boolean_specifier_p); | |
| 1197 | |
| 563 | 1198 DEFSYMBOL_MULTIWORD_PREDICATE (Qcolor_instancep); |
| 428 | 1199 DEFSUBR (Fmake_color_instance); |
| 1200 DEFSUBR (Fcolor_instance_p); | |
| 1201 DEFSUBR (Fcolor_instance_name); | |
| 1202 DEFSUBR (Fcolor_instance_rgb_components); | |
| 1203 DEFSUBR (Fvalid_color_name_p); | |
| 2527 | 1204 DEFSUBR (Fcolor_list); |
| 428 | 1205 |
| 563 | 1206 DEFSYMBOL_MULTIWORD_PREDICATE (Qfont_instancep); |
| 428 | 1207 DEFSUBR (Fmake_font_instance); |
| 1208 DEFSUBR (Ffont_instance_p); | |
| 1209 DEFSUBR (Ffont_instance_name); | |
| 1210 DEFSUBR (Ffont_instance_ascent); | |
| 1211 DEFSUBR (Ffont_instance_descent); | |
| 1212 DEFSUBR (Ffont_instance_width); | |
| 3094 | 1213 DEFSUBR (Ffont_instance_charset); |
| 428 | 1214 DEFSUBR (Ffont_instance_proportional_p); |
| 1215 DEFSUBR (Ffont_instance_truename); | |
| 1216 DEFSUBR (Ffont_instance_properties); | |
| 2527 | 1217 DEFSUBR (Ffont_list); |
| 428 | 1218 |
| 1219 /* Qcolor, Qfont defined in general.c */ | |
| 563 | 1220 DEFSYMBOL (Qface_boolean); |
| 428 | 1221 } |
| 1222 | |
| 1223 void | |
| 1224 specifier_type_create_objects (void) | |
| 1225 { | |
| 1226 INITIALIZE_SPECIFIER_TYPE_WITH_DATA (color, "color", "color-specifier-p"); | |
| 1227 INITIALIZE_SPECIFIER_TYPE_WITH_DATA (font, "font", "font-specifier-p"); | |
| 1228 INITIALIZE_SPECIFIER_TYPE_WITH_DATA (face_boolean, "face-boolean", | |
| 1229 "face-boolean-specifier-p"); | |
| 1230 | |
| 1231 SPECIFIER_HAS_METHOD (color, instantiate); | |
| 1232 SPECIFIER_HAS_METHOD (font, instantiate); | |
| 1233 SPECIFIER_HAS_METHOD (face_boolean, instantiate); | |
| 1234 | |
| 1235 SPECIFIER_HAS_METHOD (color, validate); | |
| 1236 SPECIFIER_HAS_METHOD (font, validate); | |
| 1237 SPECIFIER_HAS_METHOD (face_boolean, validate); | |
| 1238 | |
| 1239 SPECIFIER_HAS_METHOD (color, create); | |
| 1240 SPECIFIER_HAS_METHOD (font, create); | |
| 1241 SPECIFIER_HAS_METHOD (face_boolean, create); | |
| 1242 | |
| 1243 SPECIFIER_HAS_METHOD (color, mark); | |
| 1244 SPECIFIER_HAS_METHOD (font, mark); | |
| 1245 SPECIFIER_HAS_METHOD (face_boolean, mark); | |
| 1246 | |
| 1247 SPECIFIER_HAS_METHOD (color, after_change); | |
| 1248 SPECIFIER_HAS_METHOD (font, after_change); | |
| 1249 SPECIFIER_HAS_METHOD (face_boolean, after_change); | |
| 1250 | |
| 1251 #ifdef MULE | |
| 1252 SPECIFIER_HAS_METHOD (font, validate_matchspec); | |
| 1253 #endif | |
| 1254 } | |
| 1255 | |
| 1256 void | |
| 1257 reinit_specifier_type_create_objects (void) | |
| 1258 { | |
| 1259 REINITIALIZE_SPECIFIER_TYPE (color); | |
| 1260 REINITIALIZE_SPECIFIER_TYPE (font); | |
| 1261 REINITIALIZE_SPECIFIER_TYPE (face_boolean); | |
| 1262 } | |
| 1263 | |
| 1264 void | |
| 1265 reinit_vars_of_objects (void) | |
| 1266 { | |
| 1267 staticpro_nodump (&Vthe_null_color_instance); | |
| 1268 { | |
| 440 | 1269 Lisp_Color_Instance *c = |
| 3017 | 1270 ALLOC_LCRECORD_TYPE (Lisp_Color_Instance, &lrecord_color_instance); |
| 428 | 1271 c->name = Qnil; |
| 1272 c->device = Qnil; | |
| 1273 c->data = 0; | |
| 1274 | |
| 793 | 1275 Vthe_null_color_instance = wrap_color_instance (c); |
| 428 | 1276 } |
| 1277 | |
| 1278 staticpro_nodump (&Vthe_null_font_instance); | |
| 1279 { | |
| 440 | 1280 Lisp_Font_Instance *f = |
| 3017 | 1281 ALLOC_LCRECORD_TYPE (Lisp_Font_Instance, &lrecord_font_instance); |
| 428 | 1282 f->name = Qnil; |
| 872 | 1283 f->truename = Qnil; |
| 428 | 1284 f->device = Qnil; |
| 1285 f->data = 0; | |
| 1286 | |
| 1287 f->ascent = f->height = 0; | |
| 1288 f->descent = 0; | |
| 1289 f->width = 0; | |
| 1290 f->proportional_p = 0; | |
| 1291 | |
| 793 | 1292 Vthe_null_font_instance = wrap_font_instance (f); |
| 428 | 1293 } |
| 1294 } | |
| 1295 | |
| 1296 void | |
| 1297 vars_of_objects (void) | |
| 1298 { | |
| 1299 } |