Mercurial > hg > xemacs-beta
annotate src/objects.c @ 5039:f8ae1031c706
merge
| author | Ben Wing <ben@xemacs.org> |
|---|---|
| date | Sat, 20 Feb 2010 19:04:55 -0600 |
| parents | d95c102a96d3 |
| children | 5502045ec510 b5df3737028a |
| 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. | |
|
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4 Copyright (C) 1995, 1996, 2002, 2004, 2005, 2010 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 | |
|
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46 /* Author: Ben Wing; some earlier code from Chuck Thompson, Jamie |
|
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47 Zawinski. */ |
| 428 | 48 |
| 2268 | 49 DOESNT_RETURN |
| 428 | 50 finalose (void *ptr) |
| 51 { | |
| 793 | 52 Lisp_Object obj = wrap_pointer_1 (ptr); |
| 53 | |
| 563 | 54 invalid_operation |
| 428 | 55 ("Can't dump an emacs containing window system objects", obj); |
| 56 } | |
| 57 | |
| 58 | |
| 59 /**************************************************************************** | |
| 60 * Color-Instance Object * | |
| 61 ****************************************************************************/ | |
| 62 | |
| 63 Lisp_Object Qcolor_instancep; | |
| 64 | |
| 1204 | 65 static const struct memory_description color_instance_data_description_1 []= { |
| 66 #ifdef HAVE_TTY | |
| 3092 | 67 #ifdef NEW_GC |
| 68 { XD_LISP_OBJECT, tty_console }, | |
| 69 #else /* not NEW_GC */ | |
| 2551 | 70 { XD_BLOCK_PTR, tty_console, 1, { &tty_color_instance_data_description } }, |
| 3092 | 71 #endif /* not NEW_GC */ |
| 1204 | 72 #endif |
| 934 | 73 { XD_END } |
| 74 }; | |
| 75 | |
| 1204 | 76 static const struct sized_memory_description color_instance_data_description = { |
| 77 sizeof (void *), color_instance_data_description_1 | |
| 934 | 78 }; |
| 79 | |
| 1204 | 80 static const struct memory_description color_instance_description[] = { |
| 934 | 81 { XD_INT, offsetof (Lisp_Color_Instance, color_instance_type) }, |
| 82 { XD_LISP_OBJECT, offsetof (Lisp_Color_Instance, name)}, | |
| 83 { XD_LISP_OBJECT, offsetof (Lisp_Color_Instance, device)}, | |
| 1204 | 84 { XD_UNION, offsetof (Lisp_Color_Instance, data), |
| 2551 | 85 XD_INDIRECT (0, 0), { &color_instance_data_description } }, |
| 934 | 86 {XD_END} |
| 87 }; | |
| 88 | |
| 428 | 89 static Lisp_Object |
| 90 mark_color_instance (Lisp_Object obj) | |
| 91 { | |
| 440 | 92 Lisp_Color_Instance *c = XCOLOR_INSTANCE (obj); |
| 428 | 93 mark_object (c->name); |
| 94 if (!NILP (c->device)) /* Vthe_null_color_instance */ | |
| 95 MAYBE_DEVMETH (XDEVICE (c->device), mark_color_instance, (c)); | |
| 96 | |
| 97 return c->device; | |
| 98 } | |
| 99 | |
| 100 static void | |
| 101 print_color_instance (Lisp_Object obj, Lisp_Object printcharfun, | |
| 102 int escapeflag) | |
| 103 { | |
| 440 | 104 Lisp_Color_Instance *c = XCOLOR_INSTANCE (obj); |
| 428 | 105 if (print_readably) |
| 4846 | 106 printing_unreadable_lcrecord (obj, 0); |
| 800 | 107 write_fmt_string_lisp (printcharfun, "#<color-instance %s", 1, c->name); |
| 108 write_fmt_string_lisp (printcharfun, " on %s", 1, c->device); | |
| 428 | 109 if (!NILP (c->device)) /* Vthe_null_color_instance */ |
| 110 MAYBE_DEVMETH (XDEVICE (c->device), print_color_instance, | |
| 111 (c, printcharfun, escapeflag)); | |
| 800 | 112 write_fmt_string (printcharfun, " 0x%x>", c->header.uid); |
| 428 | 113 } |
| 114 | |
| 115 static void | |
| 116 finalize_color_instance (void *header, int for_disksave) | |
| 117 { | |
| 440 | 118 Lisp_Color_Instance *c = (Lisp_Color_Instance *) header; |
| 428 | 119 |
| 120 if (!NILP (c->device)) | |
| 121 { | |
| 122 if (for_disksave) finalose (c); | |
| 123 MAYBE_DEVMETH (XDEVICE (c->device), finalize_color_instance, (c)); | |
| 124 } | |
| 125 } | |
| 126 | |
| 127 static int | |
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128 color_instance_equal (Lisp_Object obj1, Lisp_Object obj2, int depth, |
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129 int UNUSED (foldcase)) |
| 428 | 130 { |
| 440 | 131 Lisp_Color_Instance *c1 = XCOLOR_INSTANCE (obj1); |
| 132 Lisp_Color_Instance *c2 = XCOLOR_INSTANCE (obj2); | |
| 428 | 133 |
| 134 return (c1 == c2) || | |
| 135 (EQ (c1->device, c2->device) && | |
| 136 DEVICEP (c1->device) && | |
| 137 HAS_DEVMETH_P (XDEVICE (c1->device), color_instance_equal) && | |
| 138 DEVMETH (XDEVICE (c1->device), color_instance_equal, (c1, c2, depth))); | |
| 139 } | |
| 140 | |
| 2515 | 141 static Hashcode |
| 428 | 142 color_instance_hash (Lisp_Object obj, int depth) |
| 143 { | |
| 440 | 144 Lisp_Color_Instance *c = XCOLOR_INSTANCE (obj); |
| 428 | 145 struct device *d = DEVICEP (c->device) ? XDEVICE (c->device) : 0; |
| 146 | |
| 2515 | 147 return HASH2 ((Hashcode) d, |
| 428 | 148 !d ? LISP_HASH (obj) |
| 149 : DEVMETH_OR_GIVEN (d, color_instance_hash, (c, depth), | |
| 150 LISP_HASH (obj))); | |
| 151 } | |
| 152 | |
| 934 | 153 DEFINE_LRECORD_IMPLEMENTATION ("color-instance", color_instance, |
| 154 0, /*dumpable-flag*/ | |
| 155 mark_color_instance, print_color_instance, | |
| 156 finalize_color_instance, color_instance_equal, | |
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157 color_instance_hash, |
| 934 | 158 color_instance_description, |
| 159 Lisp_Color_Instance); | |
| 428 | 160 |
| 161 DEFUN ("make-color-instance", Fmake_color_instance, 1, 3, 0, /* | |
| 162 Return a new `color-instance' object named NAME (a string). | |
| 163 | |
| 164 Optional argument DEVICE specifies the device this object applies to | |
| 165 and defaults to the selected device. | |
| 166 | |
| 167 An error is signaled if the color is unknown or cannot be allocated; | |
| 444 | 168 however, if optional argument NOERROR is non-nil, nil is simply |
| 169 returned in this case. (And if NOERROR is other than t, a warning may | |
| 428 | 170 be issued.) |
| 171 | |
| 172 The returned object is a normal, first-class lisp object. The way you | |
| 173 `deallocate' the color is the way you deallocate any other lisp object: | |
| 174 you drop all pointers to it and allow it to be garbage collected. When | |
| 175 these objects are GCed, the underlying window-system data (e.g. X object) | |
| 176 is deallocated as well. | |
| 177 */ | |
| 444 | 178 (name, device, noerror)) |
| 428 | 179 { |
| 440 | 180 Lisp_Color_Instance *c; |
| 428 | 181 int retval; |
| 182 | |
| 183 CHECK_STRING (name); | |
| 793 | 184 device = wrap_device (decode_device (device)); |
| 428 | 185 |
| 3017 | 186 c = ALLOC_LCRECORD_TYPE (Lisp_Color_Instance, &lrecord_color_instance); |
| 428 | 187 c->name = name; |
| 188 c->device = device; | |
| 189 c->data = 0; | |
| 1204 | 190 c->color_instance_type = get_console_variant (XDEVICE_TYPE (c->device)); |
| 428 | 191 |
| 192 retval = MAYBE_INT_DEVMETH (XDEVICE (device), initialize_color_instance, | |
| 193 (c, name, device, | |
| 444 | 194 decode_error_behavior_flag (noerror))); |
| 428 | 195 if (!retval) |
| 196 return Qnil; | |
| 197 | |
| 793 | 198 return wrap_color_instance (c); |
| 428 | 199 } |
| 200 | |
| 201 DEFUN ("color-instance-p", Fcolor_instance_p, 1, 1, 0, /* | |
| 202 Return non-nil if OBJECT is a color instance. | |
| 203 */ | |
| 204 (object)) | |
| 205 { | |
| 206 return COLOR_INSTANCEP (object) ? Qt : Qnil; | |
| 207 } | |
| 208 | |
| 209 DEFUN ("color-instance-name", Fcolor_instance_name, 1, 1, 0, /* | |
| 210 Return the name used to allocate COLOR-INSTANCE. | |
| 211 */ | |
| 212 (color_instance)) | |
| 213 { | |
| 214 CHECK_COLOR_INSTANCE (color_instance); | |
| 215 return XCOLOR_INSTANCE (color_instance)->name; | |
| 216 } | |
| 217 | |
| 218 DEFUN ("color-instance-rgb-components", Fcolor_instance_rgb_components, 1, 1, 0, /* | |
| 219 Return a three element list containing the red, green, and blue | |
| 220 color components of COLOR-INSTANCE, or nil if unknown. | |
| 221 Component values range from 0 to 65535. | |
| 222 */ | |
| 223 (color_instance)) | |
| 224 { | |
| 440 | 225 Lisp_Color_Instance *c; |
| 428 | 226 |
| 227 CHECK_COLOR_INSTANCE (color_instance); | |
| 228 c = XCOLOR_INSTANCE (color_instance); | |
| 229 | |
| 230 if (NILP (c->device)) | |
| 231 return Qnil; | |
| 232 | |
| 233 return MAYBE_LISP_DEVMETH (XDEVICE (c->device), | |
| 234 color_instance_rgb_components, | |
| 235 (c)); | |
| 236 } | |
| 237 | |
| 238 DEFUN ("valid-color-name-p", Fvalid_color_name_p, 1, 2, 0, /* | |
| 239 Return true if COLOR names a valid color for the current device. | |
| 240 | |
| 241 Valid color names for X are listed in the file /usr/lib/X11/rgb.txt, or | |
| 242 whatever the equivalent is on your system. | |
| 243 | |
| 244 Valid color names for TTY are those which have an ISO 6429 (ANSI) sequence. | |
| 245 In addition to being a color this may be one of a number of attributes | |
| 246 such as `blink'. | |
| 247 */ | |
| 248 (color, device)) | |
| 249 { | |
| 250 struct device *d = decode_device (device); | |
| 251 | |
| 252 CHECK_STRING (color); | |
| 253 return MAYBE_INT_DEVMETH (d, valid_color_name_p, (d, color)) ? Qt : Qnil; | |
| 254 } | |
| 255 | |
| 2527 | 256 DEFUN ("color-list", Fcolor_list, 0, 1, 0, /* |
| 257 Return a list of color names. | |
| 258 DEVICE specifies which device to return names for, and defaults to the | |
| 259 currently selected device. | |
| 260 */ | |
| 261 (device)) | |
| 262 { | |
| 263 device = wrap_device (decode_device (device)); | |
| 264 | |
| 265 return MAYBE_LISP_DEVMETH (XDEVICE (device), color_list, ()); | |
| 266 } | |
| 267 | |
| 428 | 268 |
| 269 /*************************************************************************** | |
| 270 * Font-Instance Object * | |
| 271 ***************************************************************************/ | |
| 272 | |
| 273 Lisp_Object Qfont_instancep; | |
| 274 | |
| 275 static Lisp_Object font_instance_truename_internal (Lisp_Object xfont, | |
| 578 | 276 Error_Behavior errb); |
| 934 | 277 |
| 1204 | 278 static const struct memory_description font_instance_data_description_1 []= { |
| 279 #ifdef HAVE_TTY | |
| 3092 | 280 #ifdef NEW_GC |
| 281 { XD_LISP_OBJECT, tty_console }, | |
| 282 #else /* not NEW_GC */ | |
| 283 { XD_BLOCK_PTR, tty_console, 1, { &tty_font_instance_data_description } }, | |
| 284 #endif /* not NEW_GC */ | |
| 1204 | 285 #endif |
| 934 | 286 { XD_END } |
| 287 }; | |
| 288 | |
| 1204 | 289 static const struct sized_memory_description font_instance_data_description = { |
| 290 sizeof (void *), font_instance_data_description_1 | |
| 934 | 291 }; |
| 292 | |
| 1204 | 293 static const struct memory_description font_instance_description[] = { |
| 934 | 294 { XD_INT, offsetof (Lisp_Font_Instance, font_instance_type) }, |
| 295 { XD_LISP_OBJECT, offsetof (Lisp_Font_Instance, name)}, | |
| 296 { XD_LISP_OBJECT, offsetof (Lisp_Font_Instance, truename)}, | |
| 297 { XD_LISP_OBJECT, offsetof (Lisp_Font_Instance, device)}, | |
| 3094 | 298 { XD_LISP_OBJECT, offsetof (Lisp_Font_Instance, charset)}, |
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299 { XD_UNION, offsetof (Lisp_Font_Instance, data), |
| 2551 | 300 XD_INDIRECT (0, 0), { &font_instance_data_description } }, |
| 1204 | 301 { XD_END } |
| 934 | 302 }; |
| 303 | |
| 428 | 304 |
| 305 static Lisp_Object | |
| 306 mark_font_instance (Lisp_Object obj) | |
| 307 { | |
| 440 | 308 Lisp_Font_Instance *f = XFONT_INSTANCE (obj); |
| 428 | 309 |
| 310 mark_object (f->name); | |
| 872 | 311 mark_object (f->truename); |
| 428 | 312 if (!NILP (f->device)) /* Vthe_null_font_instance */ |
| 313 MAYBE_DEVMETH (XDEVICE (f->device), mark_font_instance, (f)); | |
| 314 | |
| 315 return f->device; | |
| 316 } | |
| 317 | |
| 318 static void | |
| 319 print_font_instance (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag) | |
| 320 { | |
| 440 | 321 Lisp_Font_Instance *f = XFONT_INSTANCE (obj); |
| 428 | 322 if (print_readably) |
| 4846 | 323 printing_unreadable_lcrecord (obj, 0); |
| 800 | 324 write_fmt_string_lisp (printcharfun, "#<font-instance %S", 1, f->name); |
| 325 write_fmt_string_lisp (printcharfun, " on %s", 1, f->device); | |
| 428 | 326 if (!NILP (f->device)) |
| 3659 | 327 { |
| 328 MAYBE_DEVMETH (XDEVICE (f->device), print_font_instance, | |
| 329 (f, printcharfun, escapeflag)); | |
| 330 | |
| 331 } | |
| 800 | 332 write_fmt_string (printcharfun, " 0x%x>", f->header.uid); |
| 428 | 333 } |
| 334 | |
| 335 static void | |
| 336 finalize_font_instance (void *header, int for_disksave) | |
| 337 { | |
| 440 | 338 Lisp_Font_Instance *f = (Lisp_Font_Instance *) header; |
| 428 | 339 |
| 340 if (!NILP (f->device)) | |
| 341 { | |
| 342 if (for_disksave) finalose (f); | |
| 343 MAYBE_DEVMETH (XDEVICE (f->device), finalize_font_instance, (f)); | |
| 344 } | |
| 345 } | |
| 346 | |
| 347 /* Fonts are equal if they resolve to the same name. | |
| 348 Since we call `font-truename' to do this, and since font-truename is lazy, | |
| 349 this means the `equal' could cause XListFonts to be run the first time. | |
| 350 */ | |
| 351 static int | |
|
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Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
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352 font_instance_equal (Lisp_Object obj1, Lisp_Object obj2, int depth, |
|
6ef8256a020a
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Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
353 int UNUSED (foldcase)) |
| 428 | 354 { |
| 355 /* #### should this be moved into a device method? */ | |
| 793 | 356 return internal_equal (font_instance_truename_internal |
| 357 (obj1, ERROR_ME_DEBUG_WARN), | |
| 358 font_instance_truename_internal | |
| 359 (obj2, ERROR_ME_DEBUG_WARN), | |
| 428 | 360 depth + 1); |
| 361 } | |
| 362 | |
| 2515 | 363 static Hashcode |
| 428 | 364 font_instance_hash (Lisp_Object obj, int depth) |
| 365 { | |
| 793 | 366 return internal_hash (font_instance_truename_internal |
| 367 (obj, ERROR_ME_DEBUG_WARN), | |
| 428 | 368 depth + 1); |
| 369 } | |
| 370 | |
| 934 | 371 DEFINE_LRECORD_IMPLEMENTATION ("font-instance", font_instance, |
| 372 0, /*dumpable-flag*/ | |
| 373 mark_font_instance, print_font_instance, | |
| 374 finalize_font_instance, font_instance_equal, | |
| 1204 | 375 font_instance_hash, font_instance_description, |
| 376 Lisp_Font_Instance); | |
| 934 | 377 |
| 428 | 378 |
| 3094 | 379 /* #### Why is this exposed to Lisp? Used in: |
| 380 x-frob-font-size, gtk-font-menu-load-font, x-font-menu-load-font-xft, | |
| 381 x-font-menu-load-font-core, mswindows-font-menu-load-font, | |
| 382 mswindows-frob-font-style-and-sizify, mswindows-frob-font-size. */ | |
| 383 DEFUN ("make-font-instance", Fmake_font_instance, 1, 4, 0, /* | |
| 428 | 384 Return a new `font-instance' object named NAME. |
| 385 DEVICE specifies the device this object applies to and defaults to the | |
| 386 selected device. An error is signalled if the font is unknown or cannot | |
| 387 be allocated; however, if NOERROR is non-nil, nil is simply returned in | |
| 3094 | 388 this case. CHARSET is used internally. #### make helper function? |
| 428 | 389 |
| 390 The returned object is a normal, first-class lisp object. The way you | |
| 391 `deallocate' the font is the way you deallocate any other lisp object: | |
| 392 you drop all pointers to it and allow it to be garbage collected. When | |
| 3094 | 393 these objects are GCed, the underlying GUI data is deallocated as well. |
| 428 | 394 */ |
| 3094 | 395 (name, device, noerror, charset)) |
| 428 | 396 { |
| 440 | 397 Lisp_Font_Instance *f; |
| 428 | 398 int retval = 0; |
| 578 | 399 Error_Behavior errb = decode_error_behavior_flag (noerror); |
| 428 | 400 |
| 401 if (ERRB_EQ (errb, ERROR_ME)) | |
| 402 CHECK_STRING (name); | |
| 403 else if (!STRINGP (name)) | |
| 404 return Qnil; | |
| 405 | |
| 793 | 406 device = wrap_device (decode_device (device)); |
| 428 | 407 |
| 3017 | 408 f = ALLOC_LCRECORD_TYPE (Lisp_Font_Instance, &lrecord_font_instance); |
| 428 | 409 f->name = name; |
| 872 | 410 f->truename = Qnil; |
| 428 | 411 f->device = device; |
| 412 | |
| 413 f->data = 0; | |
| 1204 | 414 f->font_instance_type = get_console_variant (XDEVICE_TYPE (f->device)); |
| 428 | 415 |
| 416 /* Stick some default values here ... */ | |
| 417 f->ascent = f->height = 1; | |
| 418 f->descent = 0; | |
| 419 f->width = 1; | |
| 3094 | 420 f->charset = charset; |
| 428 | 421 f->proportional_p = 0; |
| 422 | |
| 423 retval = MAYBE_INT_DEVMETH (XDEVICE (device), initialize_font_instance, | |
| 424 (f, name, device, errb)); | |
| 425 | |
| 426 if (!retval) | |
| 427 return Qnil; | |
| 428 | |
| 793 | 429 return wrap_font_instance (f); |
| 428 | 430 } |
| 431 | |
| 432 DEFUN ("font-instance-p", Ffont_instance_p, 1, 1, 0, /* | |
| 433 Return non-nil if OBJECT is a font instance. | |
| 434 */ | |
| 435 (object)) | |
| 436 { | |
| 437 return FONT_INSTANCEP (object) ? Qt : Qnil; | |
| 438 } | |
| 439 | |
| 440 DEFUN ("font-instance-name", Ffont_instance_name, 1, 1, 0, /* | |
| 441 Return the name used to allocate FONT-INSTANCE. | |
| 442 */ | |
| 443 (font_instance)) | |
| 444 { | |
| 445 CHECK_FONT_INSTANCE (font_instance); | |
| 446 return XFONT_INSTANCE (font_instance)->name; | |
| 447 } | |
| 448 | |
| 449 DEFUN ("font-instance-ascent", Ffont_instance_ascent, 1, 1, 0, /* | |
| 450 Return the ascent in pixels of FONT-INSTANCE. | |
| 451 The returned value is the maximum ascent for all characters in the font, | |
| 452 where a character's ascent is the number of pixels above (and including) | |
| 453 the baseline. | |
| 454 */ | |
| 455 (font_instance)) | |
| 456 { | |
| 457 CHECK_FONT_INSTANCE (font_instance); | |
| 458 return make_int (XFONT_INSTANCE (font_instance)->ascent); | |
| 459 } | |
| 460 | |
| 461 DEFUN ("font-instance-descent", Ffont_instance_descent, 1, 1, 0, /* | |
| 462 Return the descent in pixels of FONT-INSTANCE. | |
| 463 The returned value is the maximum descent for all characters in the font, | |
| 464 where a character's descent is the number of pixels below the baseline. | |
| 465 \(Many characters to do not have any descent. Typical characters with a | |
| 466 descent are lowercase p and lowercase g.) | |
| 467 */ | |
| 468 (font_instance)) | |
| 469 { | |
| 470 CHECK_FONT_INSTANCE (font_instance); | |
| 471 return make_int (XFONT_INSTANCE (font_instance)->descent); | |
| 472 } | |
| 473 | |
| 474 DEFUN ("font-instance-width", Ffont_instance_width, 1, 1, 0, /* | |
| 475 Return the width in pixels of FONT-INSTANCE. | |
| 476 The returned value is the average width for all characters in the font. | |
| 477 */ | |
| 478 (font_instance)) | |
| 479 { | |
| 480 CHECK_FONT_INSTANCE (font_instance); | |
| 481 return make_int (XFONT_INSTANCE (font_instance)->width); | |
| 482 } | |
| 483 | |
| 484 DEFUN ("font-instance-proportional-p", Ffont_instance_proportional_p, 1, 1, 0, /* | |
| 485 Return whether FONT-INSTANCE is proportional. | |
| 486 This means that different characters in the font have different widths. | |
| 487 */ | |
| 488 (font_instance)) | |
| 489 { | |
| 490 CHECK_FONT_INSTANCE (font_instance); | |
| 491 return XFONT_INSTANCE (font_instance)->proportional_p ? Qt : Qnil; | |
| 492 } | |
| 493 | |
| 494 static Lisp_Object | |
| 495 font_instance_truename_internal (Lisp_Object font_instance, | |
| 578 | 496 Error_Behavior errb) |
| 428 | 497 { |
| 440 | 498 Lisp_Font_Instance *f = XFONT_INSTANCE (font_instance); |
| 499 | |
| 428 | 500 if (NILP (f->device)) |
| 501 { | |
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502 maybe_signal_error (Qgui_error, |
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503 "can't determine truename: " |
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504 "no device for font instance", |
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505 font_instance, Qfont, errb); |
| 428 | 506 return Qnil; |
| 507 } | |
| 440 | 508 |
| 428 | 509 return DEVMETH_OR_GIVEN (XDEVICE (f->device), |
| 510 font_instance_truename, (f, errb), f->name); | |
| 511 } | |
| 512 | |
| 513 DEFUN ("font-instance-truename", Ffont_instance_truename, 1, 1, 0, /* | |
| 514 Return the canonical name of FONT-INSTANCE. | |
| 515 Font names are patterns which may match any number of fonts, of which | |
| 516 the first found is used. This returns an unambiguous name for that font | |
| 517 \(but not necessarily its only unambiguous name). | |
| 518 */ | |
| 519 (font_instance)) | |
| 520 { | |
| 521 CHECK_FONT_INSTANCE (font_instance); | |
| 522 return font_instance_truename_internal (font_instance, ERROR_ME); | |
| 523 } | |
| 524 | |
| 3094 | 525 DEFUN ("font-instance-charset", Ffont_instance_charset, 1, 1, 0, /* |
| 526 Return the Mule charset that FONT-INSTANCE was allocated to handle. | |
| 527 */ | |
| 528 (font_instance)) | |
| 529 { | |
| 530 CHECK_FONT_INSTANCE (font_instance); | |
| 531 return XFONT_INSTANCE (font_instance)->charset; | |
| 532 } | |
| 533 | |
| 428 | 534 DEFUN ("font-instance-properties", Ffont_instance_properties, 1, 1, 0, /* |
| 535 Return the properties (an alist or nil) of FONT-INSTANCE. | |
| 536 */ | |
| 537 (font_instance)) | |
| 538 { | |
| 440 | 539 Lisp_Font_Instance *f; |
| 428 | 540 |
| 541 CHECK_FONT_INSTANCE (font_instance); | |
| 542 f = XFONT_INSTANCE (font_instance); | |
| 543 | |
| 544 if (NILP (f->device)) | |
| 545 return Qnil; | |
| 546 | |
| 547 return MAYBE_LISP_DEVMETH (XDEVICE (f->device), | |
| 548 font_instance_properties, (f)); | |
| 549 } | |
| 550 | |
| 2527 | 551 DEFUN ("font-list", Ffont_list, 1, 3, 0, /* |
| 428 | 552 Return a list of font names matching the given pattern. |
| 553 DEVICE specifies which device to search for names, and defaults to the | |
| 554 currently selected device. | |
| 555 */ | |
| 1701 | 556 (pattern, device, maxnumber)) |
| 428 | 557 { |
| 558 CHECK_STRING (pattern); | |
| 793 | 559 device = wrap_device (decode_device (device)); |
| 428 | 560 |
| 2527 | 561 return MAYBE_LISP_DEVMETH (XDEVICE (device), font_list, (pattern, device, |
| 1701 | 562 maxnumber)); |
| 428 | 563 } |
| 564 | |
| 565 | |
| 566 /**************************************************************************** | |
| 567 Color Object | |
| 568 ***************************************************************************/ | |
| 1204 | 569 |
| 570 static const struct memory_description color_specifier_description[] = { | |
| 571 { XD_LISP_OBJECT, offsetof (struct color_specifier, face) }, | |
| 572 { XD_LISP_OBJECT, offsetof (struct color_specifier, face_property) }, | |
| 573 { XD_END } | |
| 574 }; | |
| 575 | |
| 576 DEFINE_SPECIFIER_TYPE_WITH_DATA (color); | |
| 428 | 577 /* Qcolor defined in general.c */ |
| 578 | |
| 579 static void | |
| 580 color_create (Lisp_Object obj) | |
| 581 { | |
| 440 | 582 Lisp_Specifier *color = XCOLOR_SPECIFIER (obj); |
| 428 | 583 |
| 584 COLOR_SPECIFIER_FACE (color) = Qnil; | |
| 585 COLOR_SPECIFIER_FACE_PROPERTY (color) = Qnil; | |
| 586 } | |
| 587 | |
| 588 static void | |
| 589 color_mark (Lisp_Object obj) | |
| 590 { | |
| 440 | 591 Lisp_Specifier *color = XCOLOR_SPECIFIER (obj); |
| 428 | 592 |
| 593 mark_object (COLOR_SPECIFIER_FACE (color)); | |
| 594 mark_object (COLOR_SPECIFIER_FACE_PROPERTY (color)); | |
| 595 } | |
| 596 | |
| 597 /* No equal or hash methods; ignore the face the color is based off | |
| 598 of for `equal' */ | |
| 599 | |
| 600 static Lisp_Object | |
| 2286 | 601 color_instantiate (Lisp_Object specifier, Lisp_Object UNUSED (matchspec), |
| 428 | 602 Lisp_Object domain, Lisp_Object instantiator, |
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603 Lisp_Object depth, int no_fallback) |
| 428 | 604 { |
| 605 /* When called, we're inside of call_with_suspended_errors(), | |
| 606 so we can freely error. */ | |
| 442 | 607 Lisp_Object device = DOMAIN_DEVICE (domain); |
| 428 | 608 struct device *d = XDEVICE (device); |
| 609 | |
| 610 if (COLOR_INSTANCEP (instantiator)) | |
| 611 { | |
| 612 /* If we are on the same device then we're done. Otherwise change | |
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613 the instantiator to the name used to generate the pixel and let the |
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614 STRINGP case deal with it. */ |
| 428 | 615 if (NILP (device) /* Vthe_null_color_instance */ |
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616 || EQ (device, XCOLOR_INSTANCE (instantiator)->device)) |
| 428 | 617 return instantiator; |
| 618 else | |
| 619 instantiator = Fcolor_instance_name (instantiator); | |
| 620 } | |
| 621 | |
| 622 if (STRINGP (instantiator)) | |
| 623 { | |
| 624 /* First, look to see if we can retrieve a cached value. */ | |
| 625 Lisp_Object instance = | |
| 626 Fgethash (instantiator, d->color_instance_cache, Qunbound); | |
| 627 /* Otherwise, make a new one. */ | |
| 628 if (UNBOUNDP (instance)) | |
| 629 { | |
| 630 /* make sure we cache the failures, too. */ | |
| 631 instance = Fmake_color_instance (instantiator, device, Qt); | |
| 632 Fputhash (instantiator, instance, d->color_instance_cache); | |
| 633 } | |
| 634 | |
| 635 return NILP (instance) ? Qunbound : instance; | |
| 636 } | |
| 637 else if (VECTORP (instantiator)) | |
| 638 { | |
| 639 switch (XVECTOR_LENGTH (instantiator)) | |
| 640 { | |
| 641 case 0: | |
| 642 if (DEVICE_TTY_P (d)) | |
| 643 return Vthe_null_color_instance; | |
| 644 else | |
| 563 | 645 gui_error ("Color instantiator [] only valid on TTY's", |
| 428 | 646 device); |
| 647 | |
| 648 case 1: | |
| 649 if (NILP (COLOR_SPECIFIER_FACE (XCOLOR_SPECIFIER (specifier)))) | |
| 563 | 650 gui_error ("Color specifier not attached to a face", |
| 428 | 651 instantiator); |
| 652 return (FACE_PROPERTY_INSTANCE_1 | |
| 653 (Fget_face (XVECTOR_DATA (instantiator)[0]), | |
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654 COLOR_SPECIFIER_FACE_PROPERTY |
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655 (XCOLOR_SPECIFIER (specifier)), |
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656 domain, ERROR_ME, no_fallback, depth)); |
| 428 | 657 |
| 658 case 2: | |
| 659 return (FACE_PROPERTY_INSTANCE_1 | |
| 660 (Fget_face (XVECTOR_DATA (instantiator)[0]), | |
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661 XVECTOR_DATA (instantiator)[1], domain, ERROR_ME, |
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662 no_fallback, depth)); |
| 428 | 663 |
| 664 default: | |
| 2500 | 665 ABORT (); |
| 428 | 666 } |
| 667 } | |
| 668 else if (NILP (instantiator)) | |
| 669 { | |
| 670 if (DEVICE_TTY_P (d)) | |
| 671 return Vthe_null_color_instance; | |
| 672 else | |
| 563 | 673 gui_error ("Color instantiator [] only valid on TTY's", |
| 428 | 674 device); |
| 675 } | |
| 676 else | |
| 2500 | 677 ABORT (); /* The spec validation routines are screwed up. */ |
| 428 | 678 |
| 679 return Qunbound; | |
| 680 } | |
| 681 | |
| 682 static void | |
| 683 color_validate (Lisp_Object instantiator) | |
| 684 { | |
| 685 if (COLOR_INSTANCEP (instantiator) || STRINGP (instantiator)) | |
| 686 return; | |
| 687 if (VECTORP (instantiator)) | |
| 688 { | |
| 689 if (XVECTOR_LENGTH (instantiator) > 2) | |
| 563 | 690 sferror ("Inheritance vector must be of size 0 - 2", |
| 428 | 691 instantiator); |
| 692 else if (XVECTOR_LENGTH (instantiator) > 0) | |
| 693 { | |
| 694 Lisp_Object face = XVECTOR_DATA (instantiator)[0]; | |
| 695 | |
| 696 Fget_face (face); | |
| 697 if (XVECTOR_LENGTH (instantiator) == 2) | |
| 698 { | |
| 699 Lisp_Object field = XVECTOR_DATA (instantiator)[1]; | |
| 700 if (!EQ (field, Qforeground) && !EQ (field, Qbackground)) | |
| 563 | 701 invalid_constant |
| 428 | 702 ("Inheritance field must be `foreground' or `background'", |
| 703 field); | |
| 704 } | |
| 705 } | |
| 706 } | |
| 707 else | |
| 563 | 708 invalid_argument ("Invalid color instantiator", instantiator); |
| 428 | 709 } |
| 710 | |
| 711 static void | |
| 712 color_after_change (Lisp_Object specifier, Lisp_Object locale) | |
| 713 { | |
| 714 Lisp_Object face = COLOR_SPECIFIER_FACE (XCOLOR_SPECIFIER (specifier)); | |
| 715 Lisp_Object property = | |
| 716 COLOR_SPECIFIER_FACE_PROPERTY (XCOLOR_SPECIFIER (specifier)); | |
| 717 if (!NILP (face)) | |
| 448 | 718 { |
| 719 face_property_was_changed (face, property, locale); | |
| 720 if (BUFFERP (locale)) | |
| 721 XBUFFER (locale)->buffer_local_face_property = 1; | |
| 722 } | |
| 428 | 723 } |
| 724 | |
| 725 void | |
| 726 set_color_attached_to (Lisp_Object obj, Lisp_Object face, Lisp_Object property) | |
| 727 { | |
| 440 | 728 Lisp_Specifier *color = XCOLOR_SPECIFIER (obj); |
| 428 | 729 |
| 730 COLOR_SPECIFIER_FACE (color) = face; | |
| 731 COLOR_SPECIFIER_FACE_PROPERTY (color) = property; | |
| 732 } | |
| 733 | |
| 734 DEFUN ("color-specifier-p", Fcolor_specifier_p, 1, 1, 0, /* | |
| 735 Return t if OBJECT is a color specifier. | |
| 736 | |
| 442 | 737 See `make-color-specifier' for a description of possible color instantiators. |
| 428 | 738 */ |
| 739 (object)) | |
| 740 { | |
| 741 return COLOR_SPECIFIERP (object) ? Qt : Qnil; | |
| 742 } | |
| 743 | |
| 744 | |
| 745 /**************************************************************************** | |
| 746 Font Object | |
| 747 ***************************************************************************/ | |
| 1204 | 748 |
| 749 static const struct memory_description font_specifier_description[] = { | |
| 750 { XD_LISP_OBJECT, offsetof (struct font_specifier, face) }, | |
| 751 { XD_LISP_OBJECT, offsetof (struct font_specifier, face_property) }, | |
| 752 { XD_END } | |
| 753 }; | |
| 754 | |
| 755 DEFINE_SPECIFIER_TYPE_WITH_DATA (font); | |
| 428 | 756 /* Qfont defined in general.c */ |
| 757 | |
| 758 static void | |
| 759 font_create (Lisp_Object obj) | |
| 760 { | |
| 440 | 761 Lisp_Specifier *font = XFONT_SPECIFIER (obj); |
| 428 | 762 |
| 763 FONT_SPECIFIER_FACE (font) = Qnil; | |
| 764 FONT_SPECIFIER_FACE_PROPERTY (font) = Qnil; | |
| 765 } | |
| 766 | |
| 767 static void | |
| 768 font_mark (Lisp_Object obj) | |
| 769 { | |
| 440 | 770 Lisp_Specifier *font = XFONT_SPECIFIER (obj); |
| 428 | 771 |
| 772 mark_object (FONT_SPECIFIER_FACE (font)); | |
| 773 mark_object (FONT_SPECIFIER_FACE_PROPERTY (font)); | |
| 774 } | |
| 775 | |
| 776 /* No equal or hash methods; ignore the face the font is based off | |
| 777 of for `equal' */ | |
| 778 | |
| 779 #ifdef MULE | |
| 780 | |
| 872 | 781 /* Given a truename font spec (i.e. the font spec should have its registry |
| 782 field filled in), does it support displaying characters from CHARSET? */ | |
| 783 | |
| 784 static int | |
| 428 | 785 font_spec_matches_charset (struct device *d, Lisp_Object charset, |
| 867 | 786 const Ibyte *nonreloc, Lisp_Object reloc, |
| 872 | 787 Bytecount offset, Bytecount length, |
| 3659 | 788 enum font_specifier_matchspec_stages stage) |
| 428 | 789 { |
| 790 return DEVMETH_OR_GIVEN (d, font_spec_matches_charset, | |
| 872 | 791 (d, charset, nonreloc, reloc, offset, length, |
| 792 stage), | |
| 428 | 793 1); |
| 794 } | |
| 795 | |
| 796 static void | |
| 797 font_validate_matchspec (Lisp_Object matchspec) | |
| 798 { | |
| 872 | 799 CHECK_CONS (matchspec); |
| 800 Fget_charset (XCAR (matchspec)); | |
| 3659 | 801 |
| 802 do | |
| 803 { | |
| 804 if (EQ(XCDR(matchspec), Qinitial)) | |
| 805 { | |
| 806 break; | |
| 807 } | |
| 808 if (EQ(XCDR(matchspec), Qfinal)) | |
| 809 { | |
| 810 break; | |
| 811 } | |
| 812 | |
| 813 invalid_argument("Invalid font matchspec stage", | |
| 814 XCDR(matchspec)); | |
| 815 } while (0); | |
| 428 | 816 } |
| 817 | |
| 872 | 818 void |
| 819 initialize_charset_font_caches (struct device *d) | |
| 820 { | |
| 821 /* Note that the following tables are bi-level. */ | |
| 822 d->charset_font_cache_stage_1 = | |
| 823 make_lisp_hash_table (20, HASH_TABLE_NON_WEAK, HASH_TABLE_EQ); | |
| 824 d->charset_font_cache_stage_2 = | |
| 825 make_lisp_hash_table (20, HASH_TABLE_NON_WEAK, HASH_TABLE_EQ); | |
| 826 } | |
| 827 | |
| 828 void | |
| 829 invalidate_charset_font_caches (Lisp_Object charset) | |
| 830 { | |
| 831 /* Invalidate font cache entries for charset on all devices. */ | |
| 832 Lisp_Object devcons, concons, hash_table; | |
| 833 DEVICE_LOOP_NO_BREAK (devcons, concons) | |
| 834 { | |
| 835 struct device *d = XDEVICE (XCAR (devcons)); | |
| 836 hash_table = Fgethash (charset, d->charset_font_cache_stage_1, | |
| 837 Qunbound); | |
| 838 if (!UNBOUNDP (hash_table)) | |
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839 Fclrhash (hash_table); |
| 872 | 840 hash_table = Fgethash (charset, d->charset_font_cache_stage_2, |
| 841 Qunbound); | |
| 842 if (!UNBOUNDP (hash_table)) | |
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843 Fclrhash (hash_table); |
| 872 | 844 } |
| 845 } | |
| 428 | 846 |
| 874 | 847 #endif /* MULE */ |
| 848 | |
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849 /* It's a little non-obvious what's going on here. Specifically: |
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850 |
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851 MATCHSPEC is a somewhat bogus way in the specifier mechanism of passing |
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852 in additional information needed to instantiate some object. For fonts, |
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853 it's a cons of (CHARSET . SECOND-STAGE-P). SECOND-STAGE-P, if set, |
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854 means "try harder to find an appropriate font" and is a very bogus way |
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855 of dealing with the fact that it may not be possible to may a charset |
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856 directly onto a font; it's used esp. under Windows. @@#### We need to |
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857 change this so that MATCHSPEC is just a character. |
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858 |
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859 When redisplay is building up its structure, and needs font info, it |
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860 calls functions in faces.c such as ensure_face_cachel_complete() (map |
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861 fonts needed for a string of text) or |
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862 ensure_face_cachel_contains_charset() (map fonts needed for a charset |
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863 derived from a single character). The former function calls the latter; |
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864 the latter calls face_property_matching_instance(); this constructs the |
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865 MATCHSPEC and calls specifier_instance_no_quit() twice (first stage and |
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866 second stage, updating MATCHSPEC appropriately). That function, in |
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867 turn, looks up the appropriate specifier method to do the instantiation, |
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868 which, lo and behold, is this function here (because we set it in |
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869 initialization using `SPECIFIER_HAS_METHOD (font, instantiate);'). We |
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870 in turn call the device method `find_charset_font', which maps to |
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871 mswindows_find_charset_font(), x_find_charset_font(), or similar, in |
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872 objects-msw.c or the like. |
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873 |
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874 --ben */ |
| 874 | 875 |
| 428 | 876 static Lisp_Object |
| 2333 | 877 font_instantiate (Lisp_Object UNUSED (specifier), |
| 878 Lisp_Object USED_IF_MULE (matchspec), | |
| 428 | 879 Lisp_Object domain, Lisp_Object instantiator, |
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880 Lisp_Object depth, int no_fallback) |
| 428 | 881 { |
| 882 /* When called, we're inside of call_with_suspended_errors(), | |
| 883 so we can freely error. */ | |
| 442 | 884 Lisp_Object device = DOMAIN_DEVICE (domain); |
| 428 | 885 struct device *d = XDEVICE (device); |
| 886 Lisp_Object instance; | |
| 872 | 887 Lisp_Object charset = Qnil; |
| 1204 | 888 #ifdef MULE |
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889 enum font_specifier_matchspec_stages stage = STAGE_INITIAL; |
| 428 | 890 |
| 891 if (!UNBOUNDP (matchspec)) | |
| 872 | 892 { |
| 893 charset = Fget_charset (XCAR (matchspec)); | |
| 3659 | 894 |
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895 #define FROB(new_stage, enumstage) \ |
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896 if (EQ(Q##new_stage, XCDR(matchspec))) \ |
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897 { \ |
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898 stage = enumstage; \ |
| 3659 | 899 } |
| 900 | |
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901 FROB (initial, STAGE_INITIAL) |
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902 else FROB (final, STAGE_FINAL) |
| 3659 | 903 else assert(0); |
| 904 | |
| 905 #undef FROB | |
| 906 | |
| 872 | 907 } |
| 428 | 908 #endif |
| 909 | |
| 910 if (FONT_INSTANCEP (instantiator)) | |
| 911 { | |
| 912 if (NILP (device) | |
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913 || EQ (device, XFONT_INSTANCE (instantiator)->device)) |
| 428 | 914 { |
| 915 #ifdef MULE | |
| 872 | 916 if (font_spec_matches_charset (d, charset, 0, |
| 428 | 917 Ffont_instance_truename |
| 918 (instantiator), | |
| 872 | 919 0, -1, stage)) |
| 1204 | 920 #endif |
| 428 | 921 return instantiator; |
| 922 } | |
| 923 instantiator = Ffont_instance_name (instantiator); | |
| 924 } | |
| 925 | |
| 926 if (STRINGP (instantiator)) | |
| 927 { | |
| 874 | 928 #ifdef MULE |
| 3659 | 929 /* #### rename these caches. */ |
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930 Lisp_Object cache = stage == STAGE_FINAL ? |
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931 d->charset_font_cache_stage_2 : |
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932 d->charset_font_cache_stage_1; |
| 874 | 933 #else |
| 934 Lisp_Object cache = d->font_instance_cache; | |
| 935 #endif | |
| 872 | 936 |
| 428 | 937 #ifdef MULE |
| 872 | 938 if (!NILP (charset)) |
| 428 | 939 { |
| 940 /* The instantiator is a font spec that could match many | |
| 941 different fonts. We need to find one of those fonts | |
| 942 whose registry matches the registry of the charset in | |
| 943 MATCHSPEC. This is potentially a very slow operation, | |
| 944 as it involves doing an XListFonts() or equivalent to | |
| 945 iterate over all possible fonts, and a regexp match | |
| 946 on each one. So we cache the results. */ | |
| 947 Lisp_Object matching_font = Qunbound; | |
| 872 | 948 Lisp_Object hash_table = Fgethash (charset, cache, Qunbound); |
| 428 | 949 if (UNBOUNDP (hash_table)) |
| 950 { | |
| 951 /* need to make a sub hash table. */ | |
| 952 hash_table = make_lisp_hash_table (20, HASH_TABLE_KEY_WEAK, | |
| 953 HASH_TABLE_EQUAL); | |
| 872 | 954 Fputhash (charset, hash_table, cache); |
| 428 | 955 } |
| 956 else | |
| 957 matching_font = Fgethash (instantiator, hash_table, Qunbound); | |
| 958 | |
| 959 if (UNBOUNDP (matching_font)) | |
| 960 { | |
| 961 /* make sure we cache the failures, too. */ | |
| 962 matching_font = | |
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963 DEVMETH_OR_GIVEN (d, find_charset_font, |
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964 (device, instantiator, charset, stage), |
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965 instantiator); |
| 428 | 966 Fputhash (instantiator, matching_font, hash_table); |
| 967 } | |
| 968 if (NILP (matching_font)) | |
| 969 return Qunbound; | |
| 970 instantiator = matching_font; | |
| 971 } | |
| 972 #endif /* MULE */ | |
| 973 | |
| 974 /* First, look to see if we can retrieve a cached value. */ | |
| 872 | 975 instance = Fgethash (instantiator, cache, Qunbound); |
| 428 | 976 /* Otherwise, make a new one. */ |
| 977 if (UNBOUNDP (instance)) | |
| 978 { | |
| 979 /* make sure we cache the failures, too. */ | |
| 3094 | 980 instance = Fmake_font_instance (instantiator, device, Qt, charset); |
| 872 | 981 Fputhash (instantiator, instance, cache); |
| 428 | 982 } |
| 983 | |
| 984 return NILP (instance) ? Qunbound : instance; | |
| 985 } | |
| 986 else if (VECTORP (instantiator)) | |
| 987 { | |
| 3659 | 988 Lisp_Object match_inst = Qunbound; |
| 428 | 989 assert (XVECTOR_LENGTH (instantiator) == 1); |
| 3659 | 990 |
| 991 match_inst = face_property_matching_instance | |
| 992 (Fget_face (XVECTOR_DATA (instantiator)[0]), Qfont, | |
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993 charset, domain, ERROR_ME, no_fallback, depth, STAGE_INITIAL); |
| 3659 | 994 |
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995 if (UNBOUNDP(match_inst)) |
| 3659 | 996 { |
| 997 match_inst = face_property_matching_instance | |
| 998 (Fget_face (XVECTOR_DATA (instantiator)[0]), Qfont, | |
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999 charset, domain, ERROR_ME, no_fallback, depth, STAGE_FINAL); |
| 3659 | 1000 } |
| 1001 | |
| 1002 return match_inst; | |
| 1003 | |
| 428 | 1004 } |
| 1005 else if (NILP (instantiator)) | |
| 1006 return Qunbound; | |
| 1007 else | |
| 2500 | 1008 ABORT (); /* Eh? */ |
| 428 | 1009 |
| 1010 return Qunbound; | |
| 1011 } | |
| 1012 | |
| 1013 static void | |
| 1014 font_validate (Lisp_Object instantiator) | |
| 1015 { | |
| 1016 if (FONT_INSTANCEP (instantiator) || STRINGP (instantiator)) | |
| 1017 return; | |
| 1018 if (VECTORP (instantiator)) | |
| 1019 { | |
| 1020 if (XVECTOR_LENGTH (instantiator) != 1) | |
| 1021 { | |
| 563 | 1022 sferror |
| 428 | 1023 ("Vector length must be one for font inheritance", instantiator); |
| 1024 } | |
| 1025 Fget_face (XVECTOR_DATA (instantiator)[0]); | |
| 1026 } | |
| 1027 else | |
| 563 | 1028 invalid_argument ("Must be string, vector, or font-instance", |
| 428 | 1029 instantiator); |
| 1030 } | |
| 1031 | |
| 1032 static void | |
| 1033 font_after_change (Lisp_Object specifier, Lisp_Object locale) | |
| 1034 { | |
| 1035 Lisp_Object face = FONT_SPECIFIER_FACE (XFONT_SPECIFIER (specifier)); | |
| 1036 Lisp_Object property = | |
| 1037 FONT_SPECIFIER_FACE_PROPERTY (XFONT_SPECIFIER (specifier)); | |
| 1038 if (!NILP (face)) | |
| 448 | 1039 { |
| 1040 face_property_was_changed (face, property, locale); | |
| 1041 if (BUFFERP (locale)) | |
| 1042 XBUFFER (locale)->buffer_local_face_property = 1; | |
| 1043 } | |
| 428 | 1044 } |
| 1045 | |
| 1046 void | |
| 1047 set_font_attached_to (Lisp_Object obj, Lisp_Object face, Lisp_Object property) | |
| 1048 { | |
| 440 | 1049 Lisp_Specifier *font = XFONT_SPECIFIER (obj); |
| 428 | 1050 |
| 1051 FONT_SPECIFIER_FACE (font) = face; | |
| 1052 FONT_SPECIFIER_FACE_PROPERTY (font) = property; | |
| 1053 } | |
| 1054 | |
| 1055 DEFUN ("font-specifier-p", Ffont_specifier_p, 1, 1, 0, /* | |
| 1056 Return non-nil if OBJECT is a font specifier. | |
| 1057 | |
| 442 | 1058 See `make-font-specifier' for a description of possible font instantiators. |
| 428 | 1059 */ |
| 1060 (object)) | |
| 1061 { | |
| 1062 return FONT_SPECIFIERP (object) ? Qt : Qnil; | |
| 1063 } | |
| 1064 | |
| 1065 | |
| 1066 /***************************************************************************** | |
| 1067 Face Boolean Object | |
| 1068 ****************************************************************************/ | |
| 1204 | 1069 |
| 1070 static const struct memory_description face_boolean_specifier_description[] = { | |
| 1071 { XD_LISP_OBJECT, offsetof (struct face_boolean_specifier, face) }, | |
| 1072 { XD_LISP_OBJECT, offsetof (struct face_boolean_specifier, face_property) }, | |
| 1073 { XD_END } | |
| 1074 }; | |
| 1075 | |
| 1076 DEFINE_SPECIFIER_TYPE_WITH_DATA (face_boolean); | |
| 428 | 1077 Lisp_Object Qface_boolean; |
| 1078 | |
| 1079 static void | |
| 1080 face_boolean_create (Lisp_Object obj) | |
| 1081 { | |
| 440 | 1082 Lisp_Specifier *face_boolean = XFACE_BOOLEAN_SPECIFIER (obj); |
| 428 | 1083 |
| 1084 FACE_BOOLEAN_SPECIFIER_FACE (face_boolean) = Qnil; | |
| 1085 FACE_BOOLEAN_SPECIFIER_FACE_PROPERTY (face_boolean) = Qnil; | |
| 1086 } | |
| 1087 | |
| 1088 static void | |
| 1089 face_boolean_mark (Lisp_Object obj) | |
| 1090 { | |
| 440 | 1091 Lisp_Specifier *face_boolean = XFACE_BOOLEAN_SPECIFIER (obj); |
| 428 | 1092 |
| 1093 mark_object (FACE_BOOLEAN_SPECIFIER_FACE (face_boolean)); | |
| 1094 mark_object (FACE_BOOLEAN_SPECIFIER_FACE_PROPERTY (face_boolean)); | |
| 1095 } | |
| 1096 | |
| 1097 /* No equal or hash methods; ignore the face the face-boolean is based off | |
| 1098 of for `equal' */ | |
| 1099 | |
| 1100 static Lisp_Object | |
| 2286 | 1101 face_boolean_instantiate (Lisp_Object specifier, |
| 1102 Lisp_Object UNUSED (matchspec), | |
| 428 | 1103 Lisp_Object domain, Lisp_Object instantiator, |
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1104 Lisp_Object depth, int no_fallback) |
| 428 | 1105 { |
| 1106 /* When called, we're inside of call_with_suspended_errors(), | |
| 1107 so we can freely error. */ | |
| 1108 if (NILP (instantiator) || EQ (instantiator, Qt)) | |
| 1109 return instantiator; | |
| 1110 else if (VECTORP (instantiator)) | |
| 1111 { | |
| 1112 Lisp_Object retval; | |
| 1113 Lisp_Object prop; | |
| 1114 int instantiator_len = XVECTOR_LENGTH (instantiator); | |
| 1115 | |
| 1116 assert (instantiator_len >= 1 && instantiator_len <= 3); | |
| 1117 if (instantiator_len > 1) | |
| 1118 prop = XVECTOR_DATA (instantiator)[1]; | |
| 1119 else | |
| 1120 { | |
| 1121 if (NILP (FACE_BOOLEAN_SPECIFIER_FACE | |
| 1122 (XFACE_BOOLEAN_SPECIFIER (specifier)))) | |
| 563 | 1123 gui_error |
| 428 | 1124 ("Face-boolean specifier not attached to a face", instantiator); |
| 1125 prop = FACE_BOOLEAN_SPECIFIER_FACE_PROPERTY | |
| 1126 (XFACE_BOOLEAN_SPECIFIER (specifier)); | |
| 1127 } | |
| 1128 | |
| 1129 retval = (FACE_PROPERTY_INSTANCE_1 | |
| 1130 (Fget_face (XVECTOR_DATA (instantiator)[0]), | |
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1131 prop, domain, ERROR_ME, no_fallback, depth)); |
| 428 | 1132 |
| 1133 if (instantiator_len == 3 && !NILP (XVECTOR_DATA (instantiator)[2])) | |
| 1134 retval = NILP (retval) ? Qt : Qnil; | |
| 1135 | |
| 1136 return retval; | |
| 1137 } | |
| 1138 else | |
| 2500 | 1139 ABORT (); /* Eh? */ |
| 428 | 1140 |
| 1141 return Qunbound; | |
| 1142 } | |
| 1143 | |
| 1144 static void | |
| 1145 face_boolean_validate (Lisp_Object instantiator) | |
| 1146 { | |
| 1147 if (NILP (instantiator) || EQ (instantiator, Qt)) | |
| 1148 return; | |
| 1149 else if (VECTORP (instantiator) && | |
| 1150 (XVECTOR_LENGTH (instantiator) >= 1 && | |
| 1151 XVECTOR_LENGTH (instantiator) <= 3)) | |
| 1152 { | |
| 1153 Lisp_Object face = XVECTOR_DATA (instantiator)[0]; | |
| 1154 | |
| 1155 Fget_face (face); | |
| 1156 | |
| 1157 if (XVECTOR_LENGTH (instantiator) > 1) | |
| 1158 { | |
| 1159 Lisp_Object field = XVECTOR_DATA (instantiator)[1]; | |
| 1160 if (!EQ (field, Qunderline) | |
| 1161 && !EQ (field, Qstrikethru) | |
| 1162 && !EQ (field, Qhighlight) | |
| 1163 && !EQ (field, Qdim) | |
| 1164 && !EQ (field, Qblinking) | |
| 1165 && !EQ (field, Qreverse)) | |
| 563 | 1166 invalid_constant ("Invalid face-boolean inheritance field", |
| 428 | 1167 field); |
| 1168 } | |
| 1169 } | |
| 1170 else if (VECTORP (instantiator)) | |
| 563 | 1171 sferror ("Wrong length for face-boolean inheritance spec", |
| 428 | 1172 instantiator); |
| 1173 else | |
| 563 | 1174 invalid_argument ("Face-boolean instantiator must be nil, t, or vector", |
| 428 | 1175 instantiator); |
| 1176 } | |
| 1177 | |
| 1178 static void | |
| 1179 face_boolean_after_change (Lisp_Object specifier, Lisp_Object locale) | |
| 1180 { | |
| 1181 Lisp_Object face = | |
| 1182 FACE_BOOLEAN_SPECIFIER_FACE (XFACE_BOOLEAN_SPECIFIER (specifier)); | |
| 1183 Lisp_Object property = | |
| 1184 FACE_BOOLEAN_SPECIFIER_FACE_PROPERTY (XFACE_BOOLEAN_SPECIFIER (specifier)); | |
| 1185 if (!NILP (face)) | |
| 448 | 1186 { |
| 1187 face_property_was_changed (face, property, locale); | |
| 1188 if (BUFFERP (locale)) | |
| 1189 XBUFFER (locale)->buffer_local_face_property = 1; | |
| 1190 } | |
| 428 | 1191 } |
| 1192 | |
| 1193 void | |
| 1194 set_face_boolean_attached_to (Lisp_Object obj, Lisp_Object face, | |
| 1195 Lisp_Object property) | |
| 1196 { | |
| 440 | 1197 Lisp_Specifier *face_boolean = XFACE_BOOLEAN_SPECIFIER (obj); |
| 428 | 1198 |
| 1199 FACE_BOOLEAN_SPECIFIER_FACE (face_boolean) = face; | |
| 1200 FACE_BOOLEAN_SPECIFIER_FACE_PROPERTY (face_boolean) = property; | |
| 1201 } | |
| 1202 | |
| 1203 DEFUN ("face-boolean-specifier-p", Fface_boolean_specifier_p, 1, 1, 0, /* | |
| 1204 Return non-nil if OBJECT is a face-boolean specifier. | |
| 1205 | |
| 442 | 1206 See `make-face-boolean-specifier' for a description of possible |
| 1207 face-boolean instantiators. | |
| 428 | 1208 */ |
| 1209 (object)) | |
| 1210 { | |
| 1211 return FACE_BOOLEAN_SPECIFIERP (object) ? Qt : Qnil; | |
| 1212 } | |
| 1213 | |
| 1214 | |
| 1215 /************************************************************************/ | |
| 1216 /* initialization */ | |
| 1217 /************************************************************************/ | |
| 1218 | |
| 1219 void | |
| 1220 syms_of_objects (void) | |
| 1221 { | |
| 442 | 1222 INIT_LRECORD_IMPLEMENTATION (color_instance); |
| 1223 INIT_LRECORD_IMPLEMENTATION (font_instance); | |
| 1224 | |
| 428 | 1225 DEFSUBR (Fcolor_specifier_p); |
| 1226 DEFSUBR (Ffont_specifier_p); | |
| 1227 DEFSUBR (Fface_boolean_specifier_p); | |
| 1228 | |
| 563 | 1229 DEFSYMBOL_MULTIWORD_PREDICATE (Qcolor_instancep); |
| 428 | 1230 DEFSUBR (Fmake_color_instance); |
| 1231 DEFSUBR (Fcolor_instance_p); | |
| 1232 DEFSUBR (Fcolor_instance_name); | |
| 1233 DEFSUBR (Fcolor_instance_rgb_components); | |
| 1234 DEFSUBR (Fvalid_color_name_p); | |
| 2527 | 1235 DEFSUBR (Fcolor_list); |
| 428 | 1236 |
| 563 | 1237 DEFSYMBOL_MULTIWORD_PREDICATE (Qfont_instancep); |
| 428 | 1238 DEFSUBR (Fmake_font_instance); |
| 1239 DEFSUBR (Ffont_instance_p); | |
| 1240 DEFSUBR (Ffont_instance_name); | |
| 1241 DEFSUBR (Ffont_instance_ascent); | |
| 1242 DEFSUBR (Ffont_instance_descent); | |
| 1243 DEFSUBR (Ffont_instance_width); | |
| 3094 | 1244 DEFSUBR (Ffont_instance_charset); |
| 428 | 1245 DEFSUBR (Ffont_instance_proportional_p); |
| 1246 DEFSUBR (Ffont_instance_truename); | |
| 1247 DEFSUBR (Ffont_instance_properties); | |
| 2527 | 1248 DEFSUBR (Ffont_list); |
| 428 | 1249 |
| 1250 /* Qcolor, Qfont defined in general.c */ | |
| 563 | 1251 DEFSYMBOL (Qface_boolean); |
| 428 | 1252 } |
| 1253 | |
| 1254 void | |
| 1255 specifier_type_create_objects (void) | |
| 1256 { | |
| 1257 INITIALIZE_SPECIFIER_TYPE_WITH_DATA (color, "color", "color-specifier-p"); | |
| 1258 INITIALIZE_SPECIFIER_TYPE_WITH_DATA (font, "font", "font-specifier-p"); | |
| 1259 INITIALIZE_SPECIFIER_TYPE_WITH_DATA (face_boolean, "face-boolean", | |
| 1260 "face-boolean-specifier-p"); | |
| 1261 | |
| 1262 SPECIFIER_HAS_METHOD (color, instantiate); | |
| 1263 SPECIFIER_HAS_METHOD (font, instantiate); | |
| 1264 SPECIFIER_HAS_METHOD (face_boolean, instantiate); | |
| 1265 | |
| 1266 SPECIFIER_HAS_METHOD (color, validate); | |
| 1267 SPECIFIER_HAS_METHOD (font, validate); | |
| 1268 SPECIFIER_HAS_METHOD (face_boolean, validate); | |
| 1269 | |
| 1270 SPECIFIER_HAS_METHOD (color, create); | |
| 1271 SPECIFIER_HAS_METHOD (font, create); | |
| 1272 SPECIFIER_HAS_METHOD (face_boolean, create); | |
| 1273 | |
| 1274 SPECIFIER_HAS_METHOD (color, mark); | |
| 1275 SPECIFIER_HAS_METHOD (font, mark); | |
| 1276 SPECIFIER_HAS_METHOD (face_boolean, mark); | |
| 1277 | |
| 1278 SPECIFIER_HAS_METHOD (color, after_change); | |
| 1279 SPECIFIER_HAS_METHOD (font, after_change); | |
| 1280 SPECIFIER_HAS_METHOD (face_boolean, after_change); | |
| 1281 | |
| 1282 #ifdef MULE | |
| 1283 SPECIFIER_HAS_METHOD (font, validate_matchspec); | |
| 1284 #endif | |
| 1285 } | |
| 1286 | |
| 1287 void | |
| 1288 reinit_specifier_type_create_objects (void) | |
| 1289 { | |
| 1290 REINITIALIZE_SPECIFIER_TYPE (color); | |
| 1291 REINITIALIZE_SPECIFIER_TYPE (font); | |
| 1292 REINITIALIZE_SPECIFIER_TYPE (face_boolean); | |
| 1293 } | |
| 1294 | |
| 1295 void | |
| 1296 reinit_vars_of_objects (void) | |
| 1297 { | |
| 1298 staticpro_nodump (&Vthe_null_color_instance); | |
| 1299 { | |
| 440 | 1300 Lisp_Color_Instance *c = |
| 3017 | 1301 ALLOC_LCRECORD_TYPE (Lisp_Color_Instance, &lrecord_color_instance); |
| 428 | 1302 c->name = Qnil; |
| 1303 c->device = Qnil; | |
| 1304 c->data = 0; | |
| 1305 | |
| 793 | 1306 Vthe_null_color_instance = wrap_color_instance (c); |
| 428 | 1307 } |
| 1308 | |
| 1309 staticpro_nodump (&Vthe_null_font_instance); | |
| 1310 { | |
| 440 | 1311 Lisp_Font_Instance *f = |
| 3017 | 1312 ALLOC_LCRECORD_TYPE (Lisp_Font_Instance, &lrecord_font_instance); |
| 428 | 1313 f->name = Qnil; |
| 872 | 1314 f->truename = Qnil; |
| 428 | 1315 f->device = Qnil; |
| 1316 f->data = 0; | |
| 1317 | |
| 1318 f->ascent = f->height = 0; | |
| 1319 f->descent = 0; | |
| 1320 f->width = 0; | |
| 1321 f->proportional_p = 0; | |
| 1322 | |
| 793 | 1323 Vthe_null_font_instance = wrap_font_instance (f); |
| 428 | 1324 } |
| 1325 } | |
| 1326 | |
| 1327 void | |
| 1328 vars_of_objects (void) | |
| 1329 { | |
| 1330 } |