Mercurial > hg > xemacs-beta
annotate src/objects-tty.c @ 4611:9c97a5a8c241
Backed out changeset 38e8af61f38d
As Vin points out in
20a807210902110554s40c75beai334c005940f6446e@mail.gmail.com , the
Windows-specific coding systems have no #'query-coding-region support right
now, it is not yet appropriate to require #'query-coding-region support on
Mule builds.
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Wed, 11 Feb 2009 15:30:59 +0000 |
| parents | 4143b78d0df0 |
| children | 3a87551bfeb5 |
| rev | line source |
|---|---|
| 428 | 1 /* TTY-specific Lisp objects. |
| 2 Copyright (C) 1995 Board of Trustees, University of Illinois. | |
| 793 | 3 Copyright (C) 1995, 1996, 2001, 2002 Ben Wing. |
| 428 | 4 |
| 5 This file is part of XEmacs. | |
| 6 | |
| 7 XEmacs is free software; you can redistribute it and/or modify it | |
| 8 under the terms of the GNU General Public License as published by the | |
| 9 Free Software Foundation; either version 2, or (at your option) any | |
| 10 later version. | |
| 11 | |
| 12 XEmacs is distributed in the hope that it will be useful, but WITHOUT | |
| 13 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
| 14 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License | |
| 15 for more details. | |
| 16 | |
| 17 You should have received a copy of the GNU General Public License | |
| 18 along with XEmacs; see the file COPYING. If not, write to | |
| 19 the Free Software Foundation, Inc., 59 Temple Place - Suite 330, | |
| 20 Boston, MA 02111-1307, USA. */ | |
| 21 | |
| 22 /* Synched up with: Not in FSF. */ | |
| 23 | |
| 24 #include <config.h> | |
| 25 #include "lisp.h" | |
| 26 | |
| 872 | 27 #include "console-tty-impl.h" |
| 428 | 28 #include "insdel.h" |
| 872 | 29 #include "objects-tty-impl.h" |
| 428 | 30 #include "device.h" |
| 771 | 31 #include "charset.h" |
| 428 | 32 |
| 33 /* An alist mapping from color names to a cons of (FG-STRING, BG-STRING). */ | |
| 34 Lisp_Object Vtty_color_alist; | |
| 35 #if 0 /* This stuff doesn't quite work yet */ | |
| 36 Lisp_Object Vtty_dynamic_color_fg; | |
| 37 Lisp_Object Vtty_dynamic_color_bg; | |
| 38 #endif | |
| 39 | |
| 1204 | 40 static const struct memory_description tty_color_instance_data_description_1 [] = { |
| 41 { XD_LISP_OBJECT, offsetof (struct tty_color_instance_data, symbol) }, | |
| 42 { XD_END } | |
| 43 }; | |
| 44 | |
| 3092 | 45 #ifdef NEW_GC |
| 46 DEFINE_LRECORD_IMPLEMENTATION ("tty-color-instance-data", | |
| 47 tty_color_instance_data, | |
| 48 0, /*dumpable-flag*/ | |
| 49 0, 0, 0, 0, 0, | |
| 50 tty_color_instance_data_description_1, | |
| 51 struct tty_color_instance_data); | |
| 52 #else /* not NEW_GC */ | |
| 1204 | 53 const struct sized_memory_description tty_color_instance_data_description = { |
| 54 sizeof (struct tty_color_instance_data), tty_color_instance_data_description_1 | |
| 55 }; | |
| 3092 | 56 #endif /* not NEW_GC */ |
| 1204 | 57 |
| 58 static const struct memory_description tty_font_instance_data_description_1 [] = { | |
| 59 { XD_LISP_OBJECT, offsetof (struct tty_font_instance_data, charset) }, | |
| 60 { XD_END } | |
| 61 }; | |
| 62 | |
| 3092 | 63 #ifdef NEW_GC |
| 64 DEFINE_LRECORD_IMPLEMENTATION ("tty-font-instance-data", | |
| 65 tty_font_instance_data, | |
| 66 0, /*dumpable-flag*/ | |
| 67 0, 0, 0, 0, 0, | |
| 68 tty_font_instance_data_description_1, | |
| 69 struct tty_font_instance_data); | |
| 70 #else /* not NEW_GC */ | |
| 1204 | 71 const struct sized_memory_description tty_font_instance_data_description = { |
| 72 sizeof (struct tty_font_instance_data), tty_font_instance_data_description_1 | |
| 73 }; | |
| 3092 | 74 #endif /* not NEW_GC */ |
| 1204 | 75 |
| 428 | 76 DEFUN ("register-tty-color", Fregister_tty_color, 3, 3, 0, /* |
| 77 Register COLOR as a recognized TTY color. | |
| 78 COLOR should be a string. | |
| 79 Strings FG-STRING and BG-STRING should specify the escape sequences to | |
| 80 set the foreground and background to the given color, respectively. | |
| 81 */ | |
| 82 (color, fg_string, bg_string)) | |
| 83 { | |
| 84 CHECK_STRING (color); | |
| 85 CHECK_STRING (fg_string); | |
| 86 CHECK_STRING (bg_string); | |
| 87 | |
| 88 color = Fintern (color, Qnil); | |
| 89 Vtty_color_alist = Fremassq (color, Vtty_color_alist); | |
| 90 Vtty_color_alist = Fcons (Fcons (color, Fcons (fg_string, bg_string)), | |
| 91 Vtty_color_alist); | |
| 92 | |
| 93 return Qnil; | |
| 94 } | |
| 95 | |
| 96 DEFUN ("unregister-tty-color", Funregister_tty_color, 1, 1, 0, /* | |
| 97 Unregister COLOR as a recognized TTY color. | |
| 98 */ | |
| 99 (color)) | |
| 100 { | |
| 101 CHECK_STRING (color); | |
| 102 | |
| 103 color = Fintern (color, Qnil); | |
| 104 Vtty_color_alist = Fremassq (color, Vtty_color_alist); | |
| 105 return Qnil; | |
| 106 } | |
| 107 | |
| 108 DEFUN ("find-tty-color", Ffind_tty_color, 1, 1, 0, /* | |
| 109 Look up COLOR in the list of registered TTY colors. | |
| 110 If it is found, return a list (FG-STRING BG-STRING) of the escape | |
| 111 sequences used to set the foreground and background to the color, respectively. | |
| 112 If it is not found, return nil. | |
| 113 */ | |
| 114 (color)) | |
| 115 { | |
| 116 Lisp_Object result; | |
| 117 | |
| 118 CHECK_STRING (color); | |
| 119 | |
| 120 result = Fassq (Fintern (color, Qnil), Vtty_color_alist); | |
| 121 if (!NILP (result)) | |
| 122 return list2 (Fcar (Fcdr (result)), Fcdr (Fcdr (result))); | |
| 123 else | |
| 124 return Qnil; | |
| 125 } | |
| 126 | |
| 2527 | 127 static Lisp_Object |
| 128 tty_color_list (void) | |
| 428 | 129 { |
| 130 Lisp_Object result = Qnil; | |
| 131 Lisp_Object rest; | |
| 132 | |
| 133 LIST_LOOP (rest, Vtty_color_alist) | |
| 134 { | |
| 135 result = Fcons (Fsymbol_name (XCAR (XCAR (rest))), result); | |
| 136 } | |
| 137 | |
| 138 return Fnreverse (result); | |
| 139 } | |
| 140 | |
| 141 #if 0 | |
| 142 | |
| 143 /* This approach is too simplistic. The problem is that the | |
| 144 dynamic color settings apply to *all* text in the default color, | |
| 145 not just the text output after the escape sequence has been given. */ | |
| 146 | |
| 147 DEFUN ("set-tty-dynamic-color-specs", Fset_tty_dynamic_color_specs, 2, 2, 0, /* | |
| 148 Set the dynamic color specifications for TTY's. | |
| 149 FG and BG should be either nil or vaguely printf-like strings, | |
| 150 where each occurrence of %s is replaced with the color name and each | |
| 151 occurrence of %% is replaced with a single % character. | |
| 152 */ | |
| 153 (fg, bg)) | |
| 154 { | |
| 155 if (!NILP (fg)) | |
| 156 CHECK_STRING (fg); | |
| 157 if (!NILP (bg)) | |
| 158 CHECK_STRING (bg); | |
| 159 | |
| 160 Vtty_dynamic_color_fg = fg; | |
| 161 Vtty_dynamic_color_bg = bg; | |
| 162 | |
| 163 return Qnil; | |
| 164 } | |
| 165 | |
| 166 DEFUN ("tty-dynamic-color-specs", Ftty_dynamic_color_specs, 0, 0, 0, /* | |
| 167 Return the dynamic color specifications for TTY's as a list of (FG BG). | |
| 168 See `set-tty-dynamic-color-specs'. | |
| 169 */ | |
| 170 ()) | |
| 171 { | |
| 172 return list2 (Vtty_dynamic_color_fg, Vtty_dynamic_color_bg); | |
| 173 } | |
| 174 | |
| 175 #endif /* 0 */ | |
| 176 | |
| 177 static int | |
| 440 | 178 tty_initialize_color_instance (Lisp_Color_Instance *c, Lisp_Object name, |
| 2286 | 179 Lisp_Object UNUSED (device), |
| 180 Error_Behavior UNUSED (errb)) | |
| 428 | 181 { |
| 182 Lisp_Object result; | |
| 183 | |
| 184 name = Fintern (name, Qnil); | |
| 185 result = assq_no_quit (name, Vtty_color_alist); | |
| 186 | |
| 187 if (NILP (result)) | |
| 188 { | |
| 189 #if 0 | |
| 190 if (!STRINGP (Vtty_dynamic_color_fg) | |
| 191 && !STRINGP (Vtty_dynamic_color_bg)) | |
| 192 #endif | |
| 193 return 0; | |
| 194 } | |
| 195 | |
| 196 /* Don't allocate the data until we're sure that we will succeed. */ | |
| 3092 | 197 #ifdef NEW_GC |
| 198 c->data = alloc_lrecord_type (struct tty_color_instance_data, | |
| 199 &lrecord_tty_color_instance_data); | |
| 200 #else /* not NEW_GC */ | |
| 428 | 201 c->data = xnew (struct tty_color_instance_data); |
| 3092 | 202 #endif /* not NEW_GC */ |
| 428 | 203 COLOR_INSTANCE_TTY_SYMBOL (c) = name; |
| 204 | |
| 205 return 1; | |
| 206 } | |
| 207 | |
| 208 static void | |
| 440 | 209 tty_mark_color_instance (Lisp_Color_Instance *c) |
| 428 | 210 { |
| 211 mark_object (COLOR_INSTANCE_TTY_SYMBOL (c)); | |
| 212 } | |
| 213 | |
| 214 static void | |
| 2286 | 215 tty_print_color_instance (Lisp_Color_Instance *UNUSED (c), |
| 216 Lisp_Object UNUSED (printcharfun), | |
| 217 int UNUSED (escapeflag)) | |
| 428 | 218 { |
| 219 } | |
| 220 | |
| 221 static void | |
| 440 | 222 tty_finalize_color_instance (Lisp_Color_Instance *c) |
| 428 | 223 { |
| 4141 | 224 #ifndef NEW_GC |
| 428 | 225 if (c->data) |
| 1726 | 226 xfree (c->data, void *); |
| 4141 | 227 #endif /* not NEW_GC */ |
| 4117 | 228 } |
| 428 | 229 |
| 230 static int | |
| 440 | 231 tty_color_instance_equal (Lisp_Color_Instance *c1, |
| 232 Lisp_Color_Instance *c2, | |
| 2286 | 233 int UNUSED (depth)) |
| 428 | 234 { |
| 235 return (EQ (COLOR_INSTANCE_TTY_SYMBOL (c1), | |
| 236 COLOR_INSTANCE_TTY_SYMBOL (c2))); | |
| 237 } | |
| 238 | |
| 2515 | 239 static Hashcode |
| 2286 | 240 tty_color_instance_hash (Lisp_Color_Instance *c, int UNUSED (depth)) |
| 428 | 241 { |
| 242 return LISP_HASH (COLOR_INSTANCE_TTY_SYMBOL (c)); | |
| 243 } | |
| 244 | |
| 245 static int | |
| 2286 | 246 tty_valid_color_name_p (struct device *UNUSED (d), Lisp_Object color) |
| 428 | 247 { |
| 248 return (!NILP (assoc_no_quit (Fintern (color, Qnil), Vtty_color_alist))); | |
| 249 #if 0 | |
| 250 || STRINGP (Vtty_dynamic_color_fg) | |
| 251 || STRINGP (Vtty_dynamic_color_bg) | |
| 252 #endif | |
| 253 } | |
| 254 | |
| 255 | |
| 256 static int | |
| 440 | 257 tty_initialize_font_instance (Lisp_Font_Instance *f, Lisp_Object name, |
| 2286 | 258 Lisp_Object UNUSED (device), |
| 259 Error_Behavior UNUSED (errb)) | |
| 428 | 260 { |
| 867 | 261 Ibyte *str = XSTRING_DATA (name); |
| 428 | 262 Lisp_Object charset = Qnil; |
| 263 | |
| 2367 | 264 if (qxestrncmp_ascii (str, "normal", 6)) |
| 428 | 265 return 0; |
| 266 str += 6; | |
| 267 if (*str) | |
| 268 { | |
| 269 #ifdef MULE | |
| 270 if (*str != '/') | |
| 271 return 0; | |
| 272 str++; | |
| 771 | 273 charset = Ffind_charset (intern_int (str)); |
| 428 | 274 if (NILP (charset)) |
| 275 return 0; | |
| 276 #else | |
| 277 return 0; | |
| 278 #endif | |
| 279 } | |
| 280 | |
| 281 /* Don't allocate the data until we're sure that we will succeed. */ | |
| 3092 | 282 #ifdef NEW_GC |
| 283 f->data = alloc_lrecord_type (struct tty_font_instance_data, | |
| 284 &lrecord_tty_font_instance_data); | |
| 285 #else /* not NEW_GC */ | |
| 428 | 286 f->data = xnew (struct tty_font_instance_data); |
| 3092 | 287 #endif /* not NEW_GC */ |
| 428 | 288 FONT_INSTANCE_TTY_CHARSET (f) = charset; |
| 289 #ifdef MULE | |
| 290 if (CHARSETP (charset)) | |
| 291 f->width = XCHARSET_COLUMNS (charset); | |
| 292 else | |
| 293 #endif | |
| 294 f->width = 1; | |
| 295 | |
| 296 f->proportional_p = 0; | |
| 297 f->ascent = f->height = 1; | |
| 298 f->descent = 0; | |
| 299 | |
| 300 return 1; | |
| 301 } | |
| 302 | |
| 303 static void | |
| 440 | 304 tty_mark_font_instance (Lisp_Font_Instance *f) |
| 428 | 305 { |
| 306 mark_object (FONT_INSTANCE_TTY_CHARSET (f)); | |
| 307 } | |
| 308 | |
| 309 static void | |
| 2286 | 310 tty_print_font_instance (Lisp_Font_Instance *UNUSED (f), |
| 311 Lisp_Object UNUSED (printcharfun), | |
| 312 int UNUSED (escapeflag)) | |
| 428 | 313 { |
| 314 } | |
| 315 | |
| 316 static void | |
| 440 | 317 tty_finalize_font_instance (Lisp_Font_Instance *f) |
| 428 | 318 { |
| 4141 | 319 #ifndef NEW_GC |
| 428 | 320 if (f->data) |
| 1726 | 321 xfree (f->data, void *); |
| 4141 | 322 #endif /* not NEW_GC */ |
| 4117 | 323 } |
| 428 | 324 |
| 325 static Lisp_Object | |
| 2527 | 326 tty_font_list (Lisp_Object UNUSED (pattern), Lisp_Object UNUSED (device), |
| 2286 | 327 Lisp_Object UNUSED (maxnumber)) |
| 428 | 328 { |
| 329 return list1 (build_string ("normal")); | |
| 330 } | |
| 331 | |
| 332 #ifdef MULE | |
| 333 | |
| 334 static int | |
| 2286 | 335 tty_font_spec_matches_charset (struct device *UNUSED (d), Lisp_Object charset, |
| 867 | 336 const Ibyte *nonreloc, Lisp_Object reloc, |
| 872 | 337 Bytecount offset, Bytecount length, |
| 3841 | 338 enum font_specifier_matchspec_stages stage) |
| 428 | 339 { |
| 867 | 340 const Ibyte *the_nonreloc = nonreloc; |
| 428 | 341 |
| 872 | 342 if (stage) |
| 343 return 0; | |
| 344 | |
| 428 | 345 if (!the_nonreloc) |
| 346 the_nonreloc = XSTRING_DATA (reloc); | |
| 347 fixup_internal_substring (nonreloc, reloc, offset, &length); | |
| 348 the_nonreloc += offset; | |
| 349 | |
|
4353
4143b78d0df0
Merge an old patch of Ben's, involving font instantiation and charsets.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4141
diff
changeset
|
350 if (NILP (charset)) |
| 428 | 351 return !memchr (the_nonreloc, '/', length); |
| 867 | 352 the_nonreloc = (const Ibyte *) memchr (the_nonreloc, '/', length); |
| 428 | 353 if (!the_nonreloc) |
| 354 return 0; | |
| 355 the_nonreloc++; | |
| 356 { | |
| 793 | 357 Lisp_Object s = symbol_name (XSYMBOL (XCHARSET_NAME (charset))); |
| 358 return !qxestrcmp (the_nonreloc, XSTRING_DATA (s)); | |
| 428 | 359 } |
| 360 } | |
| 361 | |
| 362 /* find a font spec that matches font spec FONT and also matches | |
| 363 (the registry of) CHARSET. */ | |
| 364 static Lisp_Object | |
| 365 tty_find_charset_font (Lisp_Object device, Lisp_Object font, | |
| 3659 | 366 Lisp_Object charset, |
| 367 enum font_specifier_matchspec_stages stage) | |
| 428 | 368 { |
| 867 | 369 Ibyte *fontname = XSTRING_DATA (font); |
| 428 | 370 |
| 872 | 371 if (stage) |
| 372 return Qnil; | |
| 373 | |
| 442 | 374 if (strchr ((const char *) fontname, '/')) |
| 428 | 375 { |
| 376 if (tty_font_spec_matches_charset (XDEVICE (device), charset, 0, | |
| 4124 | 377 font, 0, -1, initial)) |
| 428 | 378 return font; |
| 379 return Qnil; | |
| 380 } | |
| 381 | |
|
4353
4143b78d0df0
Merge an old patch of Ben's, involving font instantiation and charsets.
Aidan Kehoe <kehoea@parhasard.net>
parents:
4141
diff
changeset
|
382 if (NILP (charset)) |
| 428 | 383 return font; |
| 384 | |
| 385 return concat3 (font, build_string ("/"), | |
| 386 Fsymbol_name (XCHARSET_NAME (charset))); | |
| 387 } | |
| 388 | |
| 389 #endif /* MULE */ | |
| 390 | |
| 391 | |
| 392 /************************************************************************/ | |
| 393 /* initialization */ | |
| 394 /************************************************************************/ | |
| 395 | |
| 396 void | |
| 397 syms_of_objects_tty (void) | |
| 398 { | |
| 3092 | 399 #ifdef NEW_GC |
| 400 INIT_LRECORD_IMPLEMENTATION (tty_color_instance_data); | |
| 401 INIT_LRECORD_IMPLEMENTATION (tty_font_instance_data); | |
| 402 #endif /* NEW_GC */ | |
| 403 | |
| 428 | 404 DEFSUBR (Fregister_tty_color); |
| 405 DEFSUBR (Funregister_tty_color); | |
| 406 DEFSUBR (Ffind_tty_color); | |
| 407 #if 0 | |
| 408 DEFSUBR (Fset_tty_dynamic_color_specs); | |
| 409 DEFSUBR (Ftty_dynamic_color_specs); | |
| 410 #endif | |
| 411 } | |
| 412 | |
| 413 void | |
| 414 console_type_create_objects_tty (void) | |
| 415 { | |
| 416 /* object methods */ | |
| 417 CONSOLE_HAS_METHOD (tty, initialize_color_instance); | |
| 418 CONSOLE_HAS_METHOD (tty, mark_color_instance); | |
| 419 CONSOLE_HAS_METHOD (tty, print_color_instance); | |
| 420 CONSOLE_HAS_METHOD (tty, finalize_color_instance); | |
| 421 CONSOLE_HAS_METHOD (tty, color_instance_equal); | |
| 422 CONSOLE_HAS_METHOD (tty, color_instance_hash); | |
| 423 CONSOLE_HAS_METHOD (tty, valid_color_name_p); | |
| 2527 | 424 CONSOLE_HAS_METHOD (tty, color_list); |
| 428 | 425 |
| 426 CONSOLE_HAS_METHOD (tty, initialize_font_instance); | |
| 427 CONSOLE_HAS_METHOD (tty, mark_font_instance); | |
| 428 CONSOLE_HAS_METHOD (tty, print_font_instance); | |
| 429 CONSOLE_HAS_METHOD (tty, finalize_font_instance); | |
| 2527 | 430 CONSOLE_HAS_METHOD (tty, font_list); |
| 428 | 431 #ifdef MULE |
| 432 CONSOLE_HAS_METHOD (tty, font_spec_matches_charset); | |
| 433 CONSOLE_HAS_METHOD (tty, find_charset_font); | |
| 434 #endif | |
| 435 } | |
| 436 | |
| 437 void | |
| 438 vars_of_objects_tty (void) | |
| 439 { | |
| 440 staticpro (&Vtty_color_alist); | |
| 441 Vtty_color_alist = Qnil; | |
| 442 | |
| 443 #if 0 | |
| 444 staticpro (&Vtty_dynamic_color_fg); | |
| 445 Vtty_dynamic_color_fg = Qnil; | |
| 446 | |
| 447 staticpro (&Vtty_dynamic_color_bg); | |
| 448 Vtty_dynamic_color_bg = Qnil; | |
| 449 #endif | |
| 450 } |