Mercurial > hg > xemacs-beta
annotate src/objects.c @ 5117:3742ea8250b5 ben-lisp-object ben-lisp-object-final-ws-year-2005
Checking in final CVS version of workspace 'ben-lisp-object'
| author | Ben Wing <ben@xemacs.org> |
|---|---|
| date | Sat, 26 Dec 2009 00:20:27 -0600 |
| parents | 1e7cc382eb16 |
| children | e0db3c197671 |
| 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 | |
| 2551 | 66 { XD_BLOCK_PTR, tty_console, 1, { &tty_color_instance_data_description } }, |
| 1204 | 67 #endif |
| 934 | 68 { XD_END } |
| 69 }; | |
| 70 | |
| 1204 | 71 static const struct sized_memory_description color_instance_data_description = { |
| 72 sizeof (void *), color_instance_data_description_1 | |
| 934 | 73 }; |
| 74 | |
| 1204 | 75 static const struct memory_description color_instance_description[] = { |
| 934 | 76 { XD_INT, offsetof (Lisp_Color_Instance, color_instance_type) }, |
| 77 { XD_LISP_OBJECT, offsetof (Lisp_Color_Instance, name)}, | |
| 78 { XD_LISP_OBJECT, offsetof (Lisp_Color_Instance, device)}, | |
| 1204 | 79 { XD_UNION, offsetof (Lisp_Color_Instance, data), |
| 2551 | 80 XD_INDIRECT (0, 0), { &color_instance_data_description } }, |
| 934 | 81 {XD_END} |
| 82 }; | |
| 83 | |
| 428 | 84 static Lisp_Object |
| 85 mark_color_instance (Lisp_Object obj) | |
| 86 { | |
| 440 | 87 Lisp_Color_Instance *c = XCOLOR_INSTANCE (obj); |
| 428 | 88 mark_object (c->name); |
| 89 if (!NILP (c->device)) /* Vthe_null_color_instance */ | |
| 90 MAYBE_DEVMETH (XDEVICE (c->device), mark_color_instance, (c)); | |
| 91 | |
| 92 return c->device; | |
| 93 } | |
| 94 | |
| 95 static void | |
| 96 print_color_instance (Lisp_Object obj, Lisp_Object printcharfun, | |
| 97 int escapeflag) | |
| 98 { | |
| 440 | 99 Lisp_Color_Instance *c = XCOLOR_INSTANCE (obj); |
| 428 | 100 if (print_readably) |
| 563 | 101 printing_unreadable_object ("#<color-instance 0x%x>", |
| 428 | 102 c->header.uid); |
| 800 | 103 write_fmt_string_lisp (printcharfun, "#<color-instance %s", 1, c->name); |
| 104 write_fmt_string_lisp (printcharfun, " on %s", 1, c->device); | |
| 428 | 105 if (!NILP (c->device)) /* Vthe_null_color_instance */ |
| 106 MAYBE_DEVMETH (XDEVICE (c->device), print_color_instance, | |
| 107 (c, printcharfun, escapeflag)); | |
| 800 | 108 write_fmt_string (printcharfun, " 0x%x>", c->header.uid); |
| 428 | 109 } |
| 110 | |
| 111 static void | |
| 112 finalize_color_instance (void *header, int for_disksave) | |
| 113 { | |
| 440 | 114 Lisp_Color_Instance *c = (Lisp_Color_Instance *) header; |
| 428 | 115 |
| 116 if (!NILP (c->device)) | |
| 117 { | |
| 118 if (for_disksave) finalose (c); | |
| 119 MAYBE_DEVMETH (XDEVICE (c->device), finalize_color_instance, (c)); | |
| 120 } | |
| 121 } | |
| 122 | |
| 123 static int | |
| 124 color_instance_equal (Lisp_Object obj1, Lisp_Object obj2, int depth) | |
| 125 { | |
| 440 | 126 Lisp_Color_Instance *c1 = XCOLOR_INSTANCE (obj1); |
| 127 Lisp_Color_Instance *c2 = XCOLOR_INSTANCE (obj2); | |
| 428 | 128 |
| 129 return (c1 == c2) || | |
| 130 (EQ (c1->device, c2->device) && | |
| 131 DEVICEP (c1->device) && | |
| 132 HAS_DEVMETH_P (XDEVICE (c1->device), color_instance_equal) && | |
| 133 DEVMETH (XDEVICE (c1->device), color_instance_equal, (c1, c2, depth))); | |
| 134 } | |
| 135 | |
| 2515 | 136 static Hashcode |
| 428 | 137 color_instance_hash (Lisp_Object obj, int depth) |
| 138 { | |
| 440 | 139 Lisp_Color_Instance *c = XCOLOR_INSTANCE (obj); |
| 428 | 140 struct device *d = DEVICEP (c->device) ? XDEVICE (c->device) : 0; |
| 141 | |
| 2515 | 142 return HASH2 ((Hashcode) d, |
| 428 | 143 !d ? LISP_HASH (obj) |
| 144 : DEVMETH_OR_GIVEN (d, color_instance_hash, (c, depth), | |
| 145 LISP_HASH (obj))); | |
| 146 } | |
| 147 | |
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148 DEFINE_NONDUMPABLE_LISP_OBJECT ("color-instance", color_instance, |
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149 mark_color_instance, print_color_instance, |
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150 finalize_color_instance, color_instance_equal, |
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151 color_instance_hash, |
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152 color_instance_description, |
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153 Lisp_Color_Instance); |
| 428 | 154 |
| 155 DEFUN ("make-color-instance", Fmake_color_instance, 1, 3, 0, /* | |
| 156 Return a new `color-instance' object named NAME (a string). | |
| 157 | |
| 158 Optional argument DEVICE specifies the device this object applies to | |
| 159 and defaults to the selected device. | |
| 160 | |
| 161 An error is signaled if the color is unknown or cannot be allocated; | |
| 444 | 162 however, if optional argument NOERROR is non-nil, nil is simply |
| 163 returned in this case. (And if NOERROR is other than t, a warning may | |
| 428 | 164 be issued.) |
| 165 | |
| 166 The returned object is a normal, first-class lisp object. The way you | |
| 167 `deallocate' the color is the way you deallocate any other lisp object: | |
| 168 you drop all pointers to it and allow it to be garbage collected. When | |
| 169 these objects are GCed, the underlying window-system data (e.g. X object) | |
| 170 is deallocated as well. | |
| 171 */ | |
| 444 | 172 (name, device, noerror)) |
| 428 | 173 { |
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174 Lisp_Object obj; |
| 440 | 175 Lisp_Color_Instance *c; |
| 428 | 176 int retval; |
| 177 | |
| 178 CHECK_STRING (name); | |
| 793 | 179 device = wrap_device (decode_device (device)); |
| 428 | 180 |
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181 obj = ALLOC_LISP_OBJECT (color_instance); |
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182 c = XCOLOR_INSTANCE (obj); |
| 428 | 183 c->name = name; |
| 184 c->device = device; | |
| 185 c->data = 0; | |
| 1204 | 186 c->color_instance_type = get_console_variant (XDEVICE_TYPE (c->device)); |
| 428 | 187 |
| 188 retval = MAYBE_INT_DEVMETH (XDEVICE (device), initialize_color_instance, | |
| 189 (c, name, device, | |
| 444 | 190 decode_error_behavior_flag (noerror))); |
| 428 | 191 if (!retval) |
| 192 return Qnil; | |
| 193 | |
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194 return obj; |
| 428 | 195 } |
| 196 | |
| 197 DEFUN ("color-instance-p", Fcolor_instance_p, 1, 1, 0, /* | |
| 198 Return non-nil if OBJECT is a color instance. | |
| 199 */ | |
| 200 (object)) | |
| 201 { | |
| 202 return COLOR_INSTANCEP (object) ? Qt : Qnil; | |
| 203 } | |
| 204 | |
| 205 DEFUN ("color-instance-name", Fcolor_instance_name, 1, 1, 0, /* | |
| 206 Return the name used to allocate COLOR-INSTANCE. | |
| 207 */ | |
| 208 (color_instance)) | |
| 209 { | |
| 210 CHECK_COLOR_INSTANCE (color_instance); | |
| 211 return XCOLOR_INSTANCE (color_instance)->name; | |
| 212 } | |
| 213 | |
| 214 DEFUN ("color-instance-rgb-components", Fcolor_instance_rgb_components, 1, 1, 0, /* | |
| 215 Return a three element list containing the red, green, and blue | |
| 216 color components of COLOR-INSTANCE, or nil if unknown. | |
| 217 Component values range from 0 to 65535. | |
| 218 */ | |
| 219 (color_instance)) | |
| 220 { | |
| 440 | 221 Lisp_Color_Instance *c; |
| 428 | 222 |
| 223 CHECK_COLOR_INSTANCE (color_instance); | |
| 224 c = XCOLOR_INSTANCE (color_instance); | |
| 225 | |
| 226 if (NILP (c->device)) | |
| 227 return Qnil; | |
| 228 | |
| 229 return MAYBE_LISP_DEVMETH (XDEVICE (c->device), | |
| 230 color_instance_rgb_components, | |
| 231 (c)); | |
| 232 } | |
| 233 | |
| 234 DEFUN ("valid-color-name-p", Fvalid_color_name_p, 1, 2, 0, /* | |
| 235 Return true if COLOR names a valid color for the current device. | |
| 236 | |
| 237 Valid color names for X are listed in the file /usr/lib/X11/rgb.txt, or | |
| 238 whatever the equivalent is on your system. | |
| 239 | |
| 240 Valid color names for TTY are those which have an ISO 6429 (ANSI) sequence. | |
| 241 In addition to being a color this may be one of a number of attributes | |
| 242 such as `blink'. | |
| 243 */ | |
| 244 (color, device)) | |
| 245 { | |
| 246 struct device *d = decode_device (device); | |
| 247 | |
| 248 CHECK_STRING (color); | |
| 249 return MAYBE_INT_DEVMETH (d, valid_color_name_p, (d, color)) ? Qt : Qnil; | |
| 250 } | |
| 251 | |
| 2527 | 252 DEFUN ("color-list", Fcolor_list, 0, 1, 0, /* |
| 253 Return a list of color names. | |
| 254 DEVICE specifies which device to return names for, and defaults to the | |
| 255 currently selected device. | |
| 256 */ | |
| 257 (device)) | |
| 258 { | |
| 259 device = wrap_device (decode_device (device)); | |
| 260 | |
| 261 return MAYBE_LISP_DEVMETH (XDEVICE (device), color_list, ()); | |
| 262 } | |
| 263 | |
| 428 | 264 |
| 265 /*************************************************************************** | |
| 266 * Font-Instance Object * | |
| 267 ***************************************************************************/ | |
| 268 | |
| 269 Lisp_Object Qfont_instancep; | |
| 270 | |
| 271 static Lisp_Object font_instance_truename_internal (Lisp_Object xfont, | |
| 578 | 272 Error_Behavior errb); |
| 934 | 273 |
| 1204 | 274 static const struct memory_description font_instance_data_description_1 []= { |
| 275 #ifdef HAVE_TTY | |
| 2551 | 276 { XD_BLOCK_PTR, tty_console, 1, { &tty_font_instance_data_description} }, |
| 1204 | 277 #endif |
| 934 | 278 { XD_END } |
| 279 }; | |
| 280 | |
| 1204 | 281 static const struct sized_memory_description font_instance_data_description = { |
| 282 sizeof (void *), font_instance_data_description_1 | |
| 934 | 283 }; |
| 284 | |
| 1204 | 285 static const struct memory_description font_instance_description[] = { |
| 934 | 286 { XD_INT, offsetof (Lisp_Font_Instance, font_instance_type) }, |
| 287 { XD_LISP_OBJECT, offsetof (Lisp_Font_Instance, name)}, | |
| 288 { XD_LISP_OBJECT, offsetof (Lisp_Font_Instance, truename)}, | |
| 289 { XD_LISP_OBJECT, offsetof (Lisp_Font_Instance, device)}, | |
| 290 { XD_UNION, offsetof (Lisp_Font_Instance, data), | |
| 2551 | 291 XD_INDIRECT (0, 0), { &font_instance_data_description } }, |
| 1204 | 292 { XD_END } |
| 934 | 293 }; |
| 294 | |
| 428 | 295 |
| 296 static Lisp_Object | |
| 297 mark_font_instance (Lisp_Object obj) | |
| 298 { | |
| 440 | 299 Lisp_Font_Instance *f = XFONT_INSTANCE (obj); |
| 428 | 300 |
| 301 mark_object (f->name); | |
| 872 | 302 mark_object (f->truename); |
| 428 | 303 if (!NILP (f->device)) /* Vthe_null_font_instance */ |
| 304 MAYBE_DEVMETH (XDEVICE (f->device), mark_font_instance, (f)); | |
| 305 | |
| 306 return f->device; | |
| 307 } | |
| 308 | |
| 309 static void | |
| 310 print_font_instance (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag) | |
| 311 { | |
| 440 | 312 Lisp_Font_Instance *f = XFONT_INSTANCE (obj); |
| 428 | 313 if (print_readably) |
| 563 | 314 printing_unreadable_object ("#<font-instance 0x%x>", f->header.uid); |
| 800 | 315 write_fmt_string_lisp (printcharfun, "#<font-instance %S", 1, f->name); |
| 316 write_fmt_string_lisp (printcharfun, " on %s", 1, f->device); | |
| 428 | 317 if (!NILP (f->device)) |
| 318 MAYBE_DEVMETH (XDEVICE (f->device), print_font_instance, | |
| 319 (f, printcharfun, escapeflag)); | |
| 800 | 320 write_fmt_string (printcharfun, " 0x%x>", f->header.uid); |
| 428 | 321 } |
| 322 | |
| 323 static void | |
| 324 finalize_font_instance (void *header, int for_disksave) | |
| 325 { | |
| 440 | 326 Lisp_Font_Instance *f = (Lisp_Font_Instance *) header; |
| 428 | 327 |
| 328 if (!NILP (f->device)) | |
| 329 { | |
| 330 if (for_disksave) finalose (f); | |
| 331 MAYBE_DEVMETH (XDEVICE (f->device), finalize_font_instance, (f)); | |
| 332 } | |
| 333 } | |
| 334 | |
| 335 /* Fonts are equal if they resolve to the same name. | |
| 336 Since we call `font-truename' to do this, and since font-truename is lazy, | |
| 337 this means the `equal' could cause XListFonts to be run the first time. | |
| 338 */ | |
| 339 static int | |
| 340 font_instance_equal (Lisp_Object obj1, Lisp_Object obj2, int depth) | |
| 341 { | |
| 342 /* #### should this be moved into a device method? */ | |
| 793 | 343 return internal_equal (font_instance_truename_internal |
| 344 (obj1, ERROR_ME_DEBUG_WARN), | |
| 345 font_instance_truename_internal | |
| 346 (obj2, ERROR_ME_DEBUG_WARN), | |
| 428 | 347 depth + 1); |
| 348 } | |
| 349 | |
| 2515 | 350 static Hashcode |
| 428 | 351 font_instance_hash (Lisp_Object obj, int depth) |
| 352 { | |
| 793 | 353 return internal_hash (font_instance_truename_internal |
| 354 (obj, ERROR_ME_DEBUG_WARN), | |
| 428 | 355 depth + 1); |
| 356 } | |
| 357 | |
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358 DEFINE_NONDUMPABLE_LISP_OBJECT ("font-instance", font_instance, |
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359 mark_font_instance, print_font_instance, |
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360 finalize_font_instance, font_instance_equal, |
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361 font_instance_hash, font_instance_description, |
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362 Lisp_Font_Instance); |
| 934 | 363 |
| 428 | 364 |
| 365 DEFUN ("make-font-instance", Fmake_font_instance, 1, 3, 0, /* | |
| 366 Return a new `font-instance' object named NAME. | |
| 367 DEVICE specifies the device this object applies to and defaults to the | |
| 368 selected device. An error is signalled if the font is unknown or cannot | |
| 369 be allocated; however, if NOERROR is non-nil, nil is simply returned in | |
| 370 this case. | |
| 371 | |
| 372 The returned object is a normal, first-class lisp object. The way you | |
| 373 `deallocate' the font is the way you deallocate any other lisp object: | |
| 374 you drop all pointers to it and allow it to be garbage collected. When | |
| 375 these objects are GCed, the underlying X data is deallocated as well. | |
| 376 */ | |
| 444 | 377 (name, device, noerror)) |
| 428 | 378 { |
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379 Lisp_Object obj; |
| 440 | 380 Lisp_Font_Instance *f; |
| 428 | 381 int retval = 0; |
| 578 | 382 Error_Behavior errb = decode_error_behavior_flag (noerror); |
| 428 | 383 |
| 384 if (ERRB_EQ (errb, ERROR_ME)) | |
| 385 CHECK_STRING (name); | |
| 386 else if (!STRINGP (name)) | |
| 387 return Qnil; | |
| 388 | |
| 793 | 389 device = wrap_device (decode_device (device)); |
| 428 | 390 |
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391 obj = ALLOC_LISP_OBJECT (font_instance); |
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392 f = XFONT_INSTANCE (obj); |
| 428 | 393 f->name = name; |
| 872 | 394 f->truename = Qnil; |
| 428 | 395 f->device = device; |
| 396 | |
| 397 f->data = 0; | |
| 1204 | 398 f->font_instance_type = get_console_variant (XDEVICE_TYPE (f->device)); |
| 428 | 399 |
| 400 /* Stick some default values here ... */ | |
| 401 f->ascent = f->height = 1; | |
| 402 f->descent = 0; | |
| 403 f->width = 1; | |
| 404 f->proportional_p = 0; | |
| 405 | |
| 406 retval = MAYBE_INT_DEVMETH (XDEVICE (device), initialize_font_instance, | |
| 407 (f, name, device, errb)); | |
| 408 | |
| 409 if (!retval) | |
| 410 return Qnil; | |
| 411 | |
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412 return obj; |
| 428 | 413 } |
| 414 | |
| 415 DEFUN ("font-instance-p", Ffont_instance_p, 1, 1, 0, /* | |
| 416 Return non-nil if OBJECT is a font instance. | |
| 417 */ | |
| 418 (object)) | |
| 419 { | |
| 420 return FONT_INSTANCEP (object) ? Qt : Qnil; | |
| 421 } | |
| 422 | |
| 423 DEFUN ("font-instance-name", Ffont_instance_name, 1, 1, 0, /* | |
| 424 Return the name used to allocate FONT-INSTANCE. | |
| 425 */ | |
| 426 (font_instance)) | |
| 427 { | |
| 428 CHECK_FONT_INSTANCE (font_instance); | |
| 429 return XFONT_INSTANCE (font_instance)->name; | |
| 430 } | |
| 431 | |
| 432 DEFUN ("font-instance-ascent", Ffont_instance_ascent, 1, 1, 0, /* | |
| 433 Return the ascent in pixels of FONT-INSTANCE. | |
| 434 The returned value is the maximum ascent for all characters in the font, | |
| 435 where a character's ascent is the number of pixels above (and including) | |
| 436 the baseline. | |
| 437 */ | |
| 438 (font_instance)) | |
| 439 { | |
| 440 CHECK_FONT_INSTANCE (font_instance); | |
| 441 return make_int (XFONT_INSTANCE (font_instance)->ascent); | |
| 442 } | |
| 443 | |
| 444 DEFUN ("font-instance-descent", Ffont_instance_descent, 1, 1, 0, /* | |
| 445 Return the descent in pixels of FONT-INSTANCE. | |
| 446 The returned value is the maximum descent for all characters in the font, | |
| 447 where a character's descent is the number of pixels below the baseline. | |
| 448 \(Many characters to do not have any descent. Typical characters with a | |
| 449 descent are lowercase p and lowercase g.) | |
| 450 */ | |
| 451 (font_instance)) | |
| 452 { | |
| 453 CHECK_FONT_INSTANCE (font_instance); | |
| 454 return make_int (XFONT_INSTANCE (font_instance)->descent); | |
| 455 } | |
| 456 | |
| 457 DEFUN ("font-instance-width", Ffont_instance_width, 1, 1, 0, /* | |
| 458 Return the width in pixels of FONT-INSTANCE. | |
| 459 The returned value is the average width for all characters in the font. | |
| 460 */ | |
| 461 (font_instance)) | |
| 462 { | |
| 463 CHECK_FONT_INSTANCE (font_instance); | |
| 464 return make_int (XFONT_INSTANCE (font_instance)->width); | |
| 465 } | |
| 466 | |
| 467 DEFUN ("font-instance-proportional-p", Ffont_instance_proportional_p, 1, 1, 0, /* | |
| 468 Return whether FONT-INSTANCE is proportional. | |
| 469 This means that different characters in the font have different widths. | |
| 470 */ | |
| 471 (font_instance)) | |
| 472 { | |
| 473 CHECK_FONT_INSTANCE (font_instance); | |
| 474 return XFONT_INSTANCE (font_instance)->proportional_p ? Qt : Qnil; | |
| 475 } | |
| 476 | |
| 477 static Lisp_Object | |
| 478 font_instance_truename_internal (Lisp_Object font_instance, | |
| 578 | 479 Error_Behavior errb) |
| 428 | 480 { |
| 440 | 481 Lisp_Font_Instance *f = XFONT_INSTANCE (font_instance); |
| 482 | |
| 428 | 483 if (NILP (f->device)) |
| 484 { | |
| 563 | 485 maybe_signal_error (Qgui_error, "Couldn't determine font truename", |
| 486 font_instance, Qfont, errb); | |
| 428 | 487 return Qnil; |
| 488 } | |
| 440 | 489 |
| 428 | 490 return DEVMETH_OR_GIVEN (XDEVICE (f->device), |
| 491 font_instance_truename, (f, errb), f->name); | |
| 492 } | |
| 493 | |
| 494 DEFUN ("font-instance-truename", Ffont_instance_truename, 1, 1, 0, /* | |
| 495 Return the canonical name of FONT-INSTANCE. | |
| 496 Font names are patterns which may match any number of fonts, of which | |
| 497 the first found is used. This returns an unambiguous name for that font | |
| 498 \(but not necessarily its only unambiguous name). | |
| 499 */ | |
| 500 (font_instance)) | |
| 501 { | |
| 502 CHECK_FONT_INSTANCE (font_instance); | |
| 503 return font_instance_truename_internal (font_instance, ERROR_ME); | |
| 504 } | |
| 505 | |
| 506 DEFUN ("font-instance-properties", Ffont_instance_properties, 1, 1, 0, /* | |
| 507 Return the properties (an alist or nil) of FONT-INSTANCE. | |
| 508 */ | |
| 509 (font_instance)) | |
| 510 { | |
| 440 | 511 Lisp_Font_Instance *f; |
| 428 | 512 |
| 513 CHECK_FONT_INSTANCE (font_instance); | |
| 514 f = XFONT_INSTANCE (font_instance); | |
| 515 | |
| 516 if (NILP (f->device)) | |
| 517 return Qnil; | |
| 518 | |
| 519 return MAYBE_LISP_DEVMETH (XDEVICE (f->device), | |
| 520 font_instance_properties, (f)); | |
| 521 } | |
| 522 | |
| 2527 | 523 DEFUN ("font-list", Ffont_list, 1, 3, 0, /* |
| 428 | 524 Return a list of font names matching the given pattern. |
| 525 DEVICE specifies which device to search for names, and defaults to the | |
| 526 currently selected device. | |
| 527 */ | |
| 1701 | 528 (pattern, device, maxnumber)) |
| 428 | 529 { |
| 530 CHECK_STRING (pattern); | |
| 793 | 531 device = wrap_device (decode_device (device)); |
| 428 | 532 |
| 2527 | 533 return MAYBE_LISP_DEVMETH (XDEVICE (device), font_list, (pattern, device, |
| 1701 | 534 maxnumber)); |
| 428 | 535 } |
| 536 | |
| 537 | |
| 538 /**************************************************************************** | |
| 539 Color Object | |
| 540 ***************************************************************************/ | |
| 1204 | 541 |
| 542 static const struct memory_description color_specifier_description[] = { | |
| 543 { XD_LISP_OBJECT, offsetof (struct color_specifier, face) }, | |
| 544 { XD_LISP_OBJECT, offsetof (struct color_specifier, face_property) }, | |
| 545 { XD_END } | |
| 546 }; | |
| 547 | |
| 548 DEFINE_SPECIFIER_TYPE_WITH_DATA (color); | |
| 428 | 549 /* Qcolor defined in general.c */ |
| 550 | |
| 551 static void | |
| 552 color_create (Lisp_Object obj) | |
| 553 { | |
| 440 | 554 Lisp_Specifier *color = XCOLOR_SPECIFIER (obj); |
| 428 | 555 |
| 556 COLOR_SPECIFIER_FACE (color) = Qnil; | |
| 557 COLOR_SPECIFIER_FACE_PROPERTY (color) = Qnil; | |
| 558 } | |
| 559 | |
| 560 static void | |
| 561 color_mark (Lisp_Object obj) | |
| 562 { | |
| 440 | 563 Lisp_Specifier *color = XCOLOR_SPECIFIER (obj); |
| 428 | 564 |
| 565 mark_object (COLOR_SPECIFIER_FACE (color)); | |
| 566 mark_object (COLOR_SPECIFIER_FACE_PROPERTY (color)); | |
| 567 } | |
| 568 | |
| 569 /* No equal or hash methods; ignore the face the color is based off | |
| 570 of for `equal' */ | |
| 571 | |
| 572 static Lisp_Object | |
| 2286 | 573 color_instantiate (Lisp_Object specifier, Lisp_Object UNUSED (matchspec), |
| 428 | 574 Lisp_Object domain, Lisp_Object instantiator, |
| 575 Lisp_Object depth) | |
| 576 { | |
| 577 /* When called, we're inside of call_with_suspended_errors(), | |
| 578 so we can freely error. */ | |
| 442 | 579 Lisp_Object device = DOMAIN_DEVICE (domain); |
| 428 | 580 struct device *d = XDEVICE (device); |
| 581 | |
| 582 if (COLOR_INSTANCEP (instantiator)) | |
| 583 { | |
| 584 /* If we are on the same device then we're done. Otherwise change | |
| 585 the instantiator to the name used to generate the pixel and let the | |
| 586 STRINGP case deal with it. */ | |
| 587 if (NILP (device) /* Vthe_null_color_instance */ | |
| 588 || EQ (device, XCOLOR_INSTANCE (instantiator)->device)) | |
| 589 return instantiator; | |
| 590 else | |
| 591 instantiator = Fcolor_instance_name (instantiator); | |
| 592 } | |
| 593 | |
| 594 if (STRINGP (instantiator)) | |
| 595 { | |
| 596 /* First, look to see if we can retrieve a cached value. */ | |
| 597 Lisp_Object instance = | |
| 598 Fgethash (instantiator, d->color_instance_cache, Qunbound); | |
| 599 /* Otherwise, make a new one. */ | |
| 600 if (UNBOUNDP (instance)) | |
| 601 { | |
| 602 /* make sure we cache the failures, too. */ | |
| 603 instance = Fmake_color_instance (instantiator, device, Qt); | |
| 604 Fputhash (instantiator, instance, d->color_instance_cache); | |
| 605 } | |
| 606 | |
| 607 return NILP (instance) ? Qunbound : instance; | |
| 608 } | |
| 609 else if (VECTORP (instantiator)) | |
| 610 { | |
| 611 switch (XVECTOR_LENGTH (instantiator)) | |
| 612 { | |
| 613 case 0: | |
| 614 if (DEVICE_TTY_P (d)) | |
| 615 return Vthe_null_color_instance; | |
| 616 else | |
| 563 | 617 gui_error ("Color instantiator [] only valid on TTY's", |
| 428 | 618 device); |
| 619 | |
| 620 case 1: | |
| 621 if (NILP (COLOR_SPECIFIER_FACE (XCOLOR_SPECIFIER (specifier)))) | |
| 563 | 622 gui_error ("Color specifier not attached to a face", |
| 428 | 623 instantiator); |
| 624 return (FACE_PROPERTY_INSTANCE_1 | |
| 625 (Fget_face (XVECTOR_DATA (instantiator)[0]), | |
| 626 COLOR_SPECIFIER_FACE_PROPERTY (XCOLOR_SPECIFIER (specifier)), | |
| 627 domain, ERROR_ME, 0, depth)); | |
| 628 | |
| 629 case 2: | |
| 630 return (FACE_PROPERTY_INSTANCE_1 | |
| 631 (Fget_face (XVECTOR_DATA (instantiator)[0]), | |
| 632 XVECTOR_DATA (instantiator)[1], domain, ERROR_ME, 0, depth)); | |
| 633 | |
| 634 default: | |
| 2500 | 635 ABORT (); |
| 428 | 636 } |
| 637 } | |
| 638 else if (NILP (instantiator)) | |
| 639 { | |
| 640 if (DEVICE_TTY_P (d)) | |
| 641 return Vthe_null_color_instance; | |
| 642 else | |
| 563 | 643 gui_error ("Color instantiator [] only valid on TTY's", |
| 428 | 644 device); |
| 645 } | |
| 646 else | |
| 2500 | 647 ABORT (); /* The spec validation routines are screwed up. */ |
| 428 | 648 |
| 649 return Qunbound; | |
| 650 } | |
| 651 | |
| 652 static void | |
| 653 color_validate (Lisp_Object instantiator) | |
| 654 { | |
| 655 if (COLOR_INSTANCEP (instantiator) || STRINGP (instantiator)) | |
| 656 return; | |
| 657 if (VECTORP (instantiator)) | |
| 658 { | |
| 659 if (XVECTOR_LENGTH (instantiator) > 2) | |
| 563 | 660 sferror ("Inheritance vector must be of size 0 - 2", |
| 428 | 661 instantiator); |
| 662 else if (XVECTOR_LENGTH (instantiator) > 0) | |
| 663 { | |
| 664 Lisp_Object face = XVECTOR_DATA (instantiator)[0]; | |
| 665 | |
| 666 Fget_face (face); | |
| 667 if (XVECTOR_LENGTH (instantiator) == 2) | |
| 668 { | |
| 669 Lisp_Object field = XVECTOR_DATA (instantiator)[1]; | |
| 670 if (!EQ (field, Qforeground) && !EQ (field, Qbackground)) | |
| 563 | 671 invalid_constant |
| 428 | 672 ("Inheritance field must be `foreground' or `background'", |
| 673 field); | |
| 674 } | |
| 675 } | |
| 676 } | |
| 677 else | |
| 563 | 678 invalid_argument ("Invalid color instantiator", instantiator); |
| 428 | 679 } |
| 680 | |
| 681 static void | |
| 682 color_after_change (Lisp_Object specifier, Lisp_Object locale) | |
| 683 { | |
| 684 Lisp_Object face = COLOR_SPECIFIER_FACE (XCOLOR_SPECIFIER (specifier)); | |
| 685 Lisp_Object property = | |
| 686 COLOR_SPECIFIER_FACE_PROPERTY (XCOLOR_SPECIFIER (specifier)); | |
| 687 if (!NILP (face)) | |
| 448 | 688 { |
| 689 face_property_was_changed (face, property, locale); | |
| 690 if (BUFFERP (locale)) | |
| 691 XBUFFER (locale)->buffer_local_face_property = 1; | |
| 692 } | |
| 428 | 693 } |
| 694 | |
| 695 void | |
| 696 set_color_attached_to (Lisp_Object obj, Lisp_Object face, Lisp_Object property) | |
| 697 { | |
| 440 | 698 Lisp_Specifier *color = XCOLOR_SPECIFIER (obj); |
| 428 | 699 |
| 700 COLOR_SPECIFIER_FACE (color) = face; | |
| 701 COLOR_SPECIFIER_FACE_PROPERTY (color) = property; | |
| 702 } | |
| 703 | |
| 704 DEFUN ("color-specifier-p", Fcolor_specifier_p, 1, 1, 0, /* | |
| 705 Return t if OBJECT is a color specifier. | |
| 706 | |
| 442 | 707 See `make-color-specifier' for a description of possible color instantiators. |
| 428 | 708 */ |
| 709 (object)) | |
| 710 { | |
| 711 return COLOR_SPECIFIERP (object) ? Qt : Qnil; | |
| 712 } | |
| 713 | |
| 714 | |
| 715 /**************************************************************************** | |
| 716 Font Object | |
| 717 ***************************************************************************/ | |
| 1204 | 718 |
| 719 static const struct memory_description font_specifier_description[] = { | |
| 720 { XD_LISP_OBJECT, offsetof (struct font_specifier, face) }, | |
| 721 { XD_LISP_OBJECT, offsetof (struct font_specifier, face_property) }, | |
| 722 { XD_END } | |
| 723 }; | |
| 724 | |
| 725 DEFINE_SPECIFIER_TYPE_WITH_DATA (font); | |
| 428 | 726 /* Qfont defined in general.c */ |
| 727 | |
| 728 static void | |
| 729 font_create (Lisp_Object obj) | |
| 730 { | |
| 440 | 731 Lisp_Specifier *font = XFONT_SPECIFIER (obj); |
| 428 | 732 |
| 733 FONT_SPECIFIER_FACE (font) = Qnil; | |
| 734 FONT_SPECIFIER_FACE_PROPERTY (font) = Qnil; | |
| 735 } | |
| 736 | |
| 737 static void | |
| 738 font_mark (Lisp_Object obj) | |
| 739 { | |
| 440 | 740 Lisp_Specifier *font = XFONT_SPECIFIER (obj); |
| 428 | 741 |
| 742 mark_object (FONT_SPECIFIER_FACE (font)); | |
| 743 mark_object (FONT_SPECIFIER_FACE_PROPERTY (font)); | |
| 744 } | |
| 745 | |
| 746 /* No equal or hash methods; ignore the face the font is based off | |
| 747 of for `equal' */ | |
| 748 | |
| 749 #ifdef MULE | |
| 750 | |
| 872 | 751 /* Given a truename font spec (i.e. the font spec should have its registry |
| 752 field filled in), does it support displaying characters from CHARSET? */ | |
| 753 | |
| 754 static int | |
| 428 | 755 font_spec_matches_charset (struct device *d, Lisp_Object charset, |
| 867 | 756 const Ibyte *nonreloc, Lisp_Object reloc, |
| 872 | 757 Bytecount offset, Bytecount length, |
| 758 int stage) | |
| 428 | 759 { |
| 760 return DEVMETH_OR_GIVEN (d, font_spec_matches_charset, | |
| 872 | 761 (d, charset, nonreloc, reloc, offset, length, |
| 762 stage), | |
| 428 | 763 1); |
| 764 } | |
| 765 | |
| 766 static void | |
| 767 font_validate_matchspec (Lisp_Object matchspec) | |
| 768 { | |
| 872 | 769 CHECK_CONS (matchspec); |
| 770 Fget_charset (XCAR (matchspec)); | |
| 428 | 771 } |
| 772 | |
| 872 | 773 void |
| 774 initialize_charset_font_caches (struct device *d) | |
| 775 { | |
| 776 /* Note that the following tables are bi-level. */ | |
| 777 d->charset_font_cache_stage_1 = | |
| 778 make_lisp_hash_table (20, HASH_TABLE_NON_WEAK, HASH_TABLE_EQ); | |
| 779 d->charset_font_cache_stage_2 = | |
| 780 make_lisp_hash_table (20, HASH_TABLE_NON_WEAK, HASH_TABLE_EQ); | |
| 781 } | |
| 782 | |
| 783 void | |
| 784 invalidate_charset_font_caches (Lisp_Object charset) | |
| 785 { | |
| 786 /* Invalidate font cache entries for charset on all devices. */ | |
| 787 Lisp_Object devcons, concons, hash_table; | |
| 788 DEVICE_LOOP_NO_BREAK (devcons, concons) | |
| 789 { | |
| 790 struct device *d = XDEVICE (XCAR (devcons)); | |
| 791 hash_table = Fgethash (charset, d->charset_font_cache_stage_1, | |
| 792 Qunbound); | |
| 793 if (!UNBOUNDP (hash_table)) | |
| 794 Fclrhash (hash_table); | |
| 795 hash_table = Fgethash (charset, d->charset_font_cache_stage_2, | |
| 796 Qunbound); | |
| 797 if (!UNBOUNDP (hash_table)) | |
| 798 Fclrhash (hash_table); | |
| 799 } | |
| 800 } | |
| 428 | 801 |
| 874 | 802 #endif /* MULE */ |
| 803 | |
| 804 | |
| 428 | 805 static Lisp_Object |
| 2333 | 806 font_instantiate (Lisp_Object UNUSED (specifier), |
| 807 Lisp_Object USED_IF_MULE (matchspec), | |
| 428 | 808 Lisp_Object domain, Lisp_Object instantiator, |
| 809 Lisp_Object depth) | |
| 810 { | |
| 811 /* When called, we're inside of call_with_suspended_errors(), | |
| 812 so we can freely error. */ | |
| 442 | 813 Lisp_Object device = DOMAIN_DEVICE (domain); |
| 428 | 814 struct device *d = XDEVICE (device); |
| 815 Lisp_Object instance; | |
| 872 | 816 Lisp_Object charset = Qnil; |
| 1204 | 817 #ifdef MULE |
| 872 | 818 int stage = 0; |
| 428 | 819 |
| 820 if (!UNBOUNDP (matchspec)) | |
| 872 | 821 { |
| 822 charset = Fget_charset (XCAR (matchspec)); | |
| 823 stage = NILP (XCDR (matchspec)) ? 0 : 1; | |
| 824 } | |
| 428 | 825 #endif |
| 826 | |
| 827 if (FONT_INSTANCEP (instantiator)) | |
| 828 { | |
| 829 if (NILP (device) | |
| 830 || EQ (device, XFONT_INSTANCE (instantiator)->device)) | |
| 831 { | |
| 832 #ifdef MULE | |
| 872 | 833 if (font_spec_matches_charset (d, charset, 0, |
| 428 | 834 Ffont_instance_truename |
| 835 (instantiator), | |
| 872 | 836 0, -1, stage)) |
| 1204 | 837 #endif |
| 428 | 838 return instantiator; |
| 839 } | |
| 840 instantiator = Ffont_instance_name (instantiator); | |
| 841 } | |
| 842 | |
| 843 if (STRINGP (instantiator)) | |
| 844 { | |
| 874 | 845 #ifdef MULE |
| 872 | 846 Lisp_Object cache = stage ? d->charset_font_cache_stage_2 : |
| 847 d->charset_font_cache_stage_1; | |
| 874 | 848 #else |
| 849 Lisp_Object cache = d->font_instance_cache; | |
| 850 #endif | |
| 872 | 851 |
| 428 | 852 #ifdef MULE |
| 872 | 853 if (!NILP (charset)) |
| 428 | 854 { |
| 855 /* The instantiator is a font spec that could match many | |
| 856 different fonts. We need to find one of those fonts | |
| 857 whose registry matches the registry of the charset in | |
| 858 MATCHSPEC. This is potentially a very slow operation, | |
| 859 as it involves doing an XListFonts() or equivalent to | |
| 860 iterate over all possible fonts, and a regexp match | |
| 861 on each one. So we cache the results. */ | |
| 862 Lisp_Object matching_font = Qunbound; | |
| 872 | 863 Lisp_Object hash_table = Fgethash (charset, cache, Qunbound); |
| 428 | 864 if (UNBOUNDP (hash_table)) |
| 865 { | |
| 866 /* need to make a sub hash table. */ | |
| 867 hash_table = make_lisp_hash_table (20, HASH_TABLE_KEY_WEAK, | |
| 868 HASH_TABLE_EQUAL); | |
| 872 | 869 Fputhash (charset, hash_table, cache); |
| 428 | 870 } |
| 871 else | |
| 872 matching_font = Fgethash (instantiator, hash_table, Qunbound); | |
| 873 | |
| 874 if (UNBOUNDP (matching_font)) | |
| 875 { | |
| 876 /* make sure we cache the failures, too. */ | |
| 877 matching_font = | |
| 878 DEVMETH_OR_GIVEN (d, find_charset_font, | |
| 872 | 879 (device, instantiator, charset, stage), |
| 428 | 880 instantiator); |
| 881 Fputhash (instantiator, matching_font, hash_table); | |
| 882 } | |
| 883 if (NILP (matching_font)) | |
| 884 return Qunbound; | |
| 885 instantiator = matching_font; | |
| 886 } | |
| 887 #endif /* MULE */ | |
| 888 | |
| 889 /* First, look to see if we can retrieve a cached value. */ | |
| 872 | 890 instance = Fgethash (instantiator, cache, Qunbound); |
| 428 | 891 /* Otherwise, make a new one. */ |
| 892 if (UNBOUNDP (instance)) | |
| 893 { | |
| 894 /* make sure we cache the failures, too. */ | |
| 895 instance = Fmake_font_instance (instantiator, device, Qt); | |
| 872 | 896 Fputhash (instantiator, instance, cache); |
| 428 | 897 } |
| 898 | |
| 899 return NILP (instance) ? Qunbound : instance; | |
| 900 } | |
| 901 else if (VECTORP (instantiator)) | |
| 902 { | |
| 903 assert (XVECTOR_LENGTH (instantiator) == 1); | |
| 904 return (face_property_matching_instance | |
| 905 (Fget_face (XVECTOR_DATA (instantiator)[0]), Qfont, | |
| 872 | 906 charset, domain, ERROR_ME, 0, depth)); |
| 428 | 907 } |
| 908 else if (NILP (instantiator)) | |
| 909 return Qunbound; | |
| 910 else | |
| 2500 | 911 ABORT (); /* Eh? */ |
| 428 | 912 |
| 913 return Qunbound; | |
| 914 } | |
| 915 | |
| 916 static void | |
| 917 font_validate (Lisp_Object instantiator) | |
| 918 { | |
| 919 if (FONT_INSTANCEP (instantiator) || STRINGP (instantiator)) | |
| 920 return; | |
| 921 if (VECTORP (instantiator)) | |
| 922 { | |
| 923 if (XVECTOR_LENGTH (instantiator) != 1) | |
| 924 { | |
| 563 | 925 sferror |
| 428 | 926 ("Vector length must be one for font inheritance", instantiator); |
| 927 } | |
| 928 Fget_face (XVECTOR_DATA (instantiator)[0]); | |
| 929 } | |
| 930 else | |
| 563 | 931 invalid_argument ("Must be string, vector, or font-instance", |
| 428 | 932 instantiator); |
| 933 } | |
| 934 | |
| 935 static void | |
| 936 font_after_change (Lisp_Object specifier, Lisp_Object locale) | |
| 937 { | |
| 938 Lisp_Object face = FONT_SPECIFIER_FACE (XFONT_SPECIFIER (specifier)); | |
| 939 Lisp_Object property = | |
| 940 FONT_SPECIFIER_FACE_PROPERTY (XFONT_SPECIFIER (specifier)); | |
| 941 if (!NILP (face)) | |
| 448 | 942 { |
| 943 face_property_was_changed (face, property, locale); | |
| 944 if (BUFFERP (locale)) | |
| 945 XBUFFER (locale)->buffer_local_face_property = 1; | |
| 946 } | |
| 428 | 947 } |
| 948 | |
| 949 void | |
| 950 set_font_attached_to (Lisp_Object obj, Lisp_Object face, Lisp_Object property) | |
| 951 { | |
| 440 | 952 Lisp_Specifier *font = XFONT_SPECIFIER (obj); |
| 428 | 953 |
| 954 FONT_SPECIFIER_FACE (font) = face; | |
| 955 FONT_SPECIFIER_FACE_PROPERTY (font) = property; | |
| 956 } | |
| 957 | |
| 958 DEFUN ("font-specifier-p", Ffont_specifier_p, 1, 1, 0, /* | |
| 959 Return non-nil if OBJECT is a font specifier. | |
| 960 | |
| 442 | 961 See `make-font-specifier' for a description of possible font instantiators. |
| 428 | 962 */ |
| 963 (object)) | |
| 964 { | |
| 965 return FONT_SPECIFIERP (object) ? Qt : Qnil; | |
| 966 } | |
| 967 | |
| 968 | |
| 969 /***************************************************************************** | |
| 970 Face Boolean Object | |
| 971 ****************************************************************************/ | |
| 1204 | 972 |
| 973 static const struct memory_description face_boolean_specifier_description[] = { | |
| 974 { XD_LISP_OBJECT, offsetof (struct face_boolean_specifier, face) }, | |
| 975 { XD_LISP_OBJECT, offsetof (struct face_boolean_specifier, face_property) }, | |
| 976 { XD_END } | |
| 977 }; | |
| 978 | |
| 979 DEFINE_SPECIFIER_TYPE_WITH_DATA (face_boolean); | |
| 428 | 980 Lisp_Object Qface_boolean; |
| 981 | |
| 982 static void | |
| 983 face_boolean_create (Lisp_Object obj) | |
| 984 { | |
| 440 | 985 Lisp_Specifier *face_boolean = XFACE_BOOLEAN_SPECIFIER (obj); |
| 428 | 986 |
| 987 FACE_BOOLEAN_SPECIFIER_FACE (face_boolean) = Qnil; | |
| 988 FACE_BOOLEAN_SPECIFIER_FACE_PROPERTY (face_boolean) = Qnil; | |
| 989 } | |
| 990 | |
| 991 static void | |
| 992 face_boolean_mark (Lisp_Object obj) | |
| 993 { | |
| 440 | 994 Lisp_Specifier *face_boolean = XFACE_BOOLEAN_SPECIFIER (obj); |
| 428 | 995 |
| 996 mark_object (FACE_BOOLEAN_SPECIFIER_FACE (face_boolean)); | |
| 997 mark_object (FACE_BOOLEAN_SPECIFIER_FACE_PROPERTY (face_boolean)); | |
| 998 } | |
| 999 | |
| 1000 /* No equal or hash methods; ignore the face the face-boolean is based off | |
| 1001 of for `equal' */ | |
| 1002 | |
| 1003 static Lisp_Object | |
| 2286 | 1004 face_boolean_instantiate (Lisp_Object specifier, |
| 1005 Lisp_Object UNUSED (matchspec), | |
| 428 | 1006 Lisp_Object domain, Lisp_Object instantiator, |
| 1007 Lisp_Object depth) | |
| 1008 { | |
| 1009 /* When called, we're inside of call_with_suspended_errors(), | |
| 1010 so we can freely error. */ | |
| 1011 if (NILP (instantiator) || EQ (instantiator, Qt)) | |
| 1012 return instantiator; | |
| 1013 else if (VECTORP (instantiator)) | |
| 1014 { | |
| 1015 Lisp_Object retval; | |
| 1016 Lisp_Object prop; | |
| 1017 int instantiator_len = XVECTOR_LENGTH (instantiator); | |
| 1018 | |
| 1019 assert (instantiator_len >= 1 && instantiator_len <= 3); | |
| 1020 if (instantiator_len > 1) | |
| 1021 prop = XVECTOR_DATA (instantiator)[1]; | |
| 1022 else | |
| 1023 { | |
| 1024 if (NILP (FACE_BOOLEAN_SPECIFIER_FACE | |
| 1025 (XFACE_BOOLEAN_SPECIFIER (specifier)))) | |
| 563 | 1026 gui_error |
| 428 | 1027 ("Face-boolean specifier not attached to a face", instantiator); |
| 1028 prop = FACE_BOOLEAN_SPECIFIER_FACE_PROPERTY | |
| 1029 (XFACE_BOOLEAN_SPECIFIER (specifier)); | |
| 1030 } | |
| 1031 | |
| 1032 retval = (FACE_PROPERTY_INSTANCE_1 | |
| 1033 (Fget_face (XVECTOR_DATA (instantiator)[0]), | |
| 1034 prop, domain, ERROR_ME, 0, depth)); | |
| 1035 | |
| 1036 if (instantiator_len == 3 && !NILP (XVECTOR_DATA (instantiator)[2])) | |
| 1037 retval = NILP (retval) ? Qt : Qnil; | |
| 1038 | |
| 1039 return retval; | |
| 1040 } | |
| 1041 else | |
| 2500 | 1042 ABORT (); /* Eh? */ |
| 428 | 1043 |
| 1044 return Qunbound; | |
| 1045 } | |
| 1046 | |
| 1047 static void | |
| 1048 face_boolean_validate (Lisp_Object instantiator) | |
| 1049 { | |
| 1050 if (NILP (instantiator) || EQ (instantiator, Qt)) | |
| 1051 return; | |
| 1052 else if (VECTORP (instantiator) && | |
| 1053 (XVECTOR_LENGTH (instantiator) >= 1 && | |
| 1054 XVECTOR_LENGTH (instantiator) <= 3)) | |
| 1055 { | |
| 1056 Lisp_Object face = XVECTOR_DATA (instantiator)[0]; | |
| 1057 | |
| 1058 Fget_face (face); | |
| 1059 | |
| 1060 if (XVECTOR_LENGTH (instantiator) > 1) | |
| 1061 { | |
| 1062 Lisp_Object field = XVECTOR_DATA (instantiator)[1]; | |
| 1063 if (!EQ (field, Qunderline) | |
| 1064 && !EQ (field, Qstrikethru) | |
| 1065 && !EQ (field, Qhighlight) | |
| 1066 && !EQ (field, Qdim) | |
| 1067 && !EQ (field, Qblinking) | |
| 1068 && !EQ (field, Qreverse)) | |
| 563 | 1069 invalid_constant ("Invalid face-boolean inheritance field", |
| 428 | 1070 field); |
| 1071 } | |
| 1072 } | |
| 1073 else if (VECTORP (instantiator)) | |
| 563 | 1074 sferror ("Wrong length for face-boolean inheritance spec", |
| 428 | 1075 instantiator); |
| 1076 else | |
| 563 | 1077 invalid_argument ("Face-boolean instantiator must be nil, t, or vector", |
| 428 | 1078 instantiator); |
| 1079 } | |
| 1080 | |
| 1081 static void | |
| 1082 face_boolean_after_change (Lisp_Object specifier, Lisp_Object locale) | |
| 1083 { | |
| 1084 Lisp_Object face = | |
| 1085 FACE_BOOLEAN_SPECIFIER_FACE (XFACE_BOOLEAN_SPECIFIER (specifier)); | |
| 1086 Lisp_Object property = | |
| 1087 FACE_BOOLEAN_SPECIFIER_FACE_PROPERTY (XFACE_BOOLEAN_SPECIFIER (specifier)); | |
| 1088 if (!NILP (face)) | |
| 448 | 1089 { |
| 1090 face_property_was_changed (face, property, locale); | |
| 1091 if (BUFFERP (locale)) | |
| 1092 XBUFFER (locale)->buffer_local_face_property = 1; | |
| 1093 } | |
| 428 | 1094 } |
| 1095 | |
| 1096 void | |
| 1097 set_face_boolean_attached_to (Lisp_Object obj, Lisp_Object face, | |
| 1098 Lisp_Object property) | |
| 1099 { | |
| 440 | 1100 Lisp_Specifier *face_boolean = XFACE_BOOLEAN_SPECIFIER (obj); |
| 428 | 1101 |
| 1102 FACE_BOOLEAN_SPECIFIER_FACE (face_boolean) = face; | |
| 1103 FACE_BOOLEAN_SPECIFIER_FACE_PROPERTY (face_boolean) = property; | |
| 1104 } | |
| 1105 | |
| 1106 DEFUN ("face-boolean-specifier-p", Fface_boolean_specifier_p, 1, 1, 0, /* | |
| 1107 Return non-nil if OBJECT is a face-boolean specifier. | |
| 1108 | |
| 442 | 1109 See `make-face-boolean-specifier' for a description of possible |
| 1110 face-boolean instantiators. | |
| 428 | 1111 */ |
| 1112 (object)) | |
| 1113 { | |
| 1114 return FACE_BOOLEAN_SPECIFIERP (object) ? Qt : Qnil; | |
| 1115 } | |
| 1116 | |
| 1117 | |
| 1118 /************************************************************************/ | |
| 1119 /* initialization */ | |
| 1120 /************************************************************************/ | |
| 1121 | |
| 1122 void | |
| 1123 syms_of_objects (void) | |
| 1124 { | |
|
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1125 INIT_LISP_OBJECT (color_instance); |
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1126 INIT_LISP_OBJECT (font_instance); |
| 442 | 1127 |
| 428 | 1128 DEFSUBR (Fcolor_specifier_p); |
| 1129 DEFSUBR (Ffont_specifier_p); | |
| 1130 DEFSUBR (Fface_boolean_specifier_p); | |
| 1131 | |
| 563 | 1132 DEFSYMBOL_MULTIWORD_PREDICATE (Qcolor_instancep); |
| 428 | 1133 DEFSUBR (Fmake_color_instance); |
| 1134 DEFSUBR (Fcolor_instance_p); | |
| 1135 DEFSUBR (Fcolor_instance_name); | |
| 1136 DEFSUBR (Fcolor_instance_rgb_components); | |
| 1137 DEFSUBR (Fvalid_color_name_p); | |
| 2527 | 1138 DEFSUBR (Fcolor_list); |
| 428 | 1139 |
| 563 | 1140 DEFSYMBOL_MULTIWORD_PREDICATE (Qfont_instancep); |
| 428 | 1141 DEFSUBR (Fmake_font_instance); |
| 1142 DEFSUBR (Ffont_instance_p); | |
| 1143 DEFSUBR (Ffont_instance_name); | |
| 1144 DEFSUBR (Ffont_instance_ascent); | |
| 1145 DEFSUBR (Ffont_instance_descent); | |
| 1146 DEFSUBR (Ffont_instance_width); | |
| 1147 DEFSUBR (Ffont_instance_proportional_p); | |
| 1148 DEFSUBR (Ffont_instance_truename); | |
| 1149 DEFSUBR (Ffont_instance_properties); | |
| 2527 | 1150 DEFSUBR (Ffont_list); |
| 428 | 1151 |
| 1152 /* Qcolor, Qfont defined in general.c */ | |
| 563 | 1153 DEFSYMBOL (Qface_boolean); |
| 428 | 1154 } |
| 1155 | |
| 1156 void | |
| 1157 specifier_type_create_objects (void) | |
| 1158 { | |
| 1159 INITIALIZE_SPECIFIER_TYPE_WITH_DATA (color, "color", "color-specifier-p"); | |
| 1160 INITIALIZE_SPECIFIER_TYPE_WITH_DATA (font, "font", "font-specifier-p"); | |
| 1161 INITIALIZE_SPECIFIER_TYPE_WITH_DATA (face_boolean, "face-boolean", | |
| 1162 "face-boolean-specifier-p"); | |
| 1163 | |
| 1164 SPECIFIER_HAS_METHOD (color, instantiate); | |
| 1165 SPECIFIER_HAS_METHOD (font, instantiate); | |
| 1166 SPECIFIER_HAS_METHOD (face_boolean, instantiate); | |
| 1167 | |
| 1168 SPECIFIER_HAS_METHOD (color, validate); | |
| 1169 SPECIFIER_HAS_METHOD (font, validate); | |
| 1170 SPECIFIER_HAS_METHOD (face_boolean, validate); | |
| 1171 | |
| 1172 SPECIFIER_HAS_METHOD (color, create); | |
| 1173 SPECIFIER_HAS_METHOD (font, create); | |
| 1174 SPECIFIER_HAS_METHOD (face_boolean, create); | |
| 1175 | |
| 1176 SPECIFIER_HAS_METHOD (color, mark); | |
| 1177 SPECIFIER_HAS_METHOD (font, mark); | |
| 1178 SPECIFIER_HAS_METHOD (face_boolean, mark); | |
| 1179 | |
| 1180 SPECIFIER_HAS_METHOD (color, after_change); | |
| 1181 SPECIFIER_HAS_METHOD (font, after_change); | |
| 1182 SPECIFIER_HAS_METHOD (face_boolean, after_change); | |
| 1183 | |
| 1184 #ifdef MULE | |
| 1185 SPECIFIER_HAS_METHOD (font, validate_matchspec); | |
| 1186 #endif | |
| 1187 } | |
| 1188 | |
| 1189 void | |
| 1190 reinit_specifier_type_create_objects (void) | |
| 1191 { | |
| 1192 REINITIALIZE_SPECIFIER_TYPE (color); | |
| 1193 REINITIALIZE_SPECIFIER_TYPE (font); | |
| 1194 REINITIALIZE_SPECIFIER_TYPE (face_boolean); | |
| 1195 } | |
| 1196 | |
| 1197 void | |
| 1198 reinit_vars_of_objects (void) | |
| 1199 { | |
| 1200 { | |
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1201 Lisp_Object obj = ALLOC_LISP_OBJECT (color_instance); |
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1202 Lisp_Color_Instance *c = XCOLOR_INSTANCE (obj); |
| 428 | 1203 c->name = Qnil; |
| 1204 c->device = Qnil; | |
| 1205 c->data = 0; | |
| 1206 | |
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1207 Vthe_null_color_instance = obj; |
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1208 staticpro_nodump (&Vthe_null_color_instance); |
| 428 | 1209 } |
| 1210 | |
| 1211 { | |
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1212 Lisp_Object obj = ALLOC_LISP_OBJECT (font_instance); |
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1213 Lisp_Font_Instance *f = XFONT_INSTANCE (obj); |
| 428 | 1214 f->name = Qnil; |
| 872 | 1215 f->truename = Qnil; |
| 428 | 1216 f->device = Qnil; |
| 1217 f->data = 0; | |
| 1218 | |
| 1219 f->ascent = f->height = 0; | |
| 1220 f->descent = 0; | |
| 1221 f->width = 0; | |
| 1222 f->proportional_p = 0; | |
| 1223 | |
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1224 Vthe_null_font_instance = obj; |
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1225 staticpro_nodump (&Vthe_null_font_instance); |
| 428 | 1226 } |
| 1227 } | |
| 1228 | |
| 1229 void | |
| 1230 vars_of_objects (void) | |
| 1231 { | |
| 1232 } |