Mercurial > hg > xemacs-beta
annotate src/objects-tty.c @ 5172:be6e5ea38dda
merge
| author | Ben Wing <ben@xemacs.org> |
|---|---|
| date | Mon, 29 Mar 2010 00:11:03 -0500 |
| parents | 6c6d78781d59 |
| children |
| rev | line source |
|---|---|
| 428 | 1 /* TTY-specific Lisp objects. |
| 2 Copyright (C) 1995 Board of Trustees, University of Illinois. | |
|
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3 Copyright (C) 1995, 1996, 2001, 2002, 2010 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 |
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46 DEFINE_DUMPABLE_INTERNAL_LISP_OBJECT ("tty-color-instance-data", |
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47 tty_color_instance_data, |
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48 0, tty_color_instance_data_description_1, |
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49 struct tty_color_instance_data); |
| 3092 | 50 #else /* not NEW_GC */ |
| 1204 | 51 const struct sized_memory_description tty_color_instance_data_description = { |
| 52 sizeof (struct tty_color_instance_data), tty_color_instance_data_description_1 | |
| 53 }; | |
| 3092 | 54 #endif /* not NEW_GC */ |
| 1204 | 55 |
| 56 static const struct memory_description tty_font_instance_data_description_1 [] = { | |
| 57 { XD_LISP_OBJECT, offsetof (struct tty_font_instance_data, charset) }, | |
| 58 { XD_END } | |
| 59 }; | |
| 60 | |
| 3092 | 61 #ifdef NEW_GC |
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62 DEFINE_DUMPABLE_INTERNAL_LISP_OBJECT ("tty-font-instance-data", |
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63 tty_font_instance_data, 0, |
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64 tty_font_instance_data_description_1, |
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65 struct tty_font_instance_data); |
| 3092 | 66 #else /* not NEW_GC */ |
| 1204 | 67 const struct sized_memory_description tty_font_instance_data_description = { |
| 68 sizeof (struct tty_font_instance_data), tty_font_instance_data_description_1 | |
| 69 }; | |
| 3092 | 70 #endif /* not NEW_GC */ |
| 1204 | 71 |
| 428 | 72 DEFUN ("register-tty-color", Fregister_tty_color, 3, 3, 0, /* |
| 73 Register COLOR as a recognized TTY color. | |
| 74 COLOR should be a string. | |
| 75 Strings FG-STRING and BG-STRING should specify the escape sequences to | |
| 76 set the foreground and background to the given color, respectively. | |
| 77 */ | |
| 78 (color, fg_string, bg_string)) | |
| 79 { | |
| 80 CHECK_STRING (color); | |
| 81 CHECK_STRING (fg_string); | |
| 82 CHECK_STRING (bg_string); | |
| 83 | |
| 84 color = Fintern (color, Qnil); | |
| 85 Vtty_color_alist = Fremassq (color, Vtty_color_alist); | |
| 86 Vtty_color_alist = Fcons (Fcons (color, Fcons (fg_string, bg_string)), | |
| 87 Vtty_color_alist); | |
| 88 | |
| 89 return Qnil; | |
| 90 } | |
| 91 | |
| 92 DEFUN ("unregister-tty-color", Funregister_tty_color, 1, 1, 0, /* | |
| 93 Unregister COLOR as a recognized TTY color. | |
| 94 */ | |
| 95 (color)) | |
| 96 { | |
| 97 CHECK_STRING (color); | |
| 98 | |
| 99 color = Fintern (color, Qnil); | |
| 100 Vtty_color_alist = Fremassq (color, Vtty_color_alist); | |
| 101 return Qnil; | |
| 102 } | |
| 103 | |
| 104 DEFUN ("find-tty-color", Ffind_tty_color, 1, 1, 0, /* | |
| 105 Look up COLOR in the list of registered TTY colors. | |
| 106 If it is found, return a list (FG-STRING BG-STRING) of the escape | |
| 107 sequences used to set the foreground and background to the color, respectively. | |
| 108 If it is not found, return nil. | |
| 109 */ | |
| 110 (color)) | |
| 111 { | |
| 112 Lisp_Object result; | |
| 113 | |
| 114 CHECK_STRING (color); | |
| 115 | |
| 116 result = Fassq (Fintern (color, Qnil), Vtty_color_alist); | |
| 117 if (!NILP (result)) | |
| 118 return list2 (Fcar (Fcdr (result)), Fcdr (Fcdr (result))); | |
| 119 else | |
| 120 return Qnil; | |
| 121 } | |
| 122 | |
| 2527 | 123 static Lisp_Object |
| 124 tty_color_list (void) | |
| 428 | 125 { |
| 126 Lisp_Object result = Qnil; | |
| 127 Lisp_Object rest; | |
| 128 | |
| 129 LIST_LOOP (rest, Vtty_color_alist) | |
| 130 { | |
| 131 result = Fcons (Fsymbol_name (XCAR (XCAR (rest))), result); | |
| 132 } | |
| 133 | |
| 134 return Fnreverse (result); | |
| 135 } | |
| 136 | |
| 137 #if 0 | |
| 138 | |
| 139 /* This approach is too simplistic. The problem is that the | |
| 140 dynamic color settings apply to *all* text in the default color, | |
| 141 not just the text output after the escape sequence has been given. */ | |
| 142 | |
| 143 DEFUN ("set-tty-dynamic-color-specs", Fset_tty_dynamic_color_specs, 2, 2, 0, /* | |
| 144 Set the dynamic color specifications for TTY's. | |
| 145 FG and BG should be either nil or vaguely printf-like strings, | |
| 146 where each occurrence of %s is replaced with the color name and each | |
| 147 occurrence of %% is replaced with a single % character. | |
| 148 */ | |
| 149 (fg, bg)) | |
| 150 { | |
| 151 if (!NILP (fg)) | |
| 152 CHECK_STRING (fg); | |
| 153 if (!NILP (bg)) | |
| 154 CHECK_STRING (bg); | |
| 155 | |
| 156 Vtty_dynamic_color_fg = fg; | |
| 157 Vtty_dynamic_color_bg = bg; | |
| 158 | |
| 159 return Qnil; | |
| 160 } | |
| 161 | |
| 162 DEFUN ("tty-dynamic-color-specs", Ftty_dynamic_color_specs, 0, 0, 0, /* | |
| 163 Return the dynamic color specifications for TTY's as a list of (FG BG). | |
| 164 See `set-tty-dynamic-color-specs'. | |
| 165 */ | |
| 166 ()) | |
| 167 { | |
| 168 return list2 (Vtty_dynamic_color_fg, Vtty_dynamic_color_bg); | |
| 169 } | |
| 170 | |
| 171 #endif /* 0 */ | |
| 172 | |
| 173 static int | |
| 440 | 174 tty_initialize_color_instance (Lisp_Color_Instance *c, Lisp_Object name, |
| 2286 | 175 Lisp_Object UNUSED (device), |
| 176 Error_Behavior UNUSED (errb)) | |
| 428 | 177 { |
| 178 Lisp_Object result; | |
| 179 | |
| 180 name = Fintern (name, Qnil); | |
| 181 result = assq_no_quit (name, Vtty_color_alist); | |
| 182 | |
| 183 if (NILP (result)) | |
| 184 { | |
| 185 #if 0 | |
| 186 if (!STRINGP (Vtty_dynamic_color_fg) | |
| 187 && !STRINGP (Vtty_dynamic_color_bg)) | |
| 188 #endif | |
| 189 return 0; | |
| 190 } | |
| 191 | |
| 192 /* Don't allocate the data until we're sure that we will succeed. */ | |
| 3092 | 193 #ifdef NEW_GC |
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194 c->data = |
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195 XTTY_COLOR_INSTANCE_DATA (ALLOC_NORMAL_LISP_OBJECT (tty_color_instance_data)); |
| 3092 | 196 #else /* not NEW_GC */ |
| 428 | 197 c->data = xnew (struct tty_color_instance_data); |
| 3092 | 198 #endif /* not NEW_GC */ |
| 428 | 199 COLOR_INSTANCE_TTY_SYMBOL (c) = name; |
| 200 | |
| 201 return 1; | |
| 202 } | |
| 203 | |
| 204 static void | |
| 440 | 205 tty_mark_color_instance (Lisp_Color_Instance *c) |
| 428 | 206 { |
| 207 mark_object (COLOR_INSTANCE_TTY_SYMBOL (c)); | |
| 208 } | |
| 209 | |
| 210 static void | |
| 2286 | 211 tty_print_color_instance (Lisp_Color_Instance *UNUSED (c), |
| 212 Lisp_Object UNUSED (printcharfun), | |
| 213 int UNUSED (escapeflag)) | |
| 428 | 214 { |
| 215 } | |
| 216 | |
| 217 static void | |
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218 tty_finalize_color_instance (Lisp_Color_Instance *UNUSED_IF_NEW_GC (c)) |
| 428 | 219 { |
| 4141 | 220 #ifndef NEW_GC |
| 428 | 221 if (c->data) |
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222 { |
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223 xfree (c->data); |
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224 c->data = 0; |
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225 } |
| 4141 | 226 #endif /* not NEW_GC */ |
| 4117 | 227 } |
| 428 | 228 |
| 229 static int | |
| 440 | 230 tty_color_instance_equal (Lisp_Color_Instance *c1, |
| 231 Lisp_Color_Instance *c2, | |
| 2286 | 232 int UNUSED (depth)) |
| 428 | 233 { |
| 234 return (EQ (COLOR_INSTANCE_TTY_SYMBOL (c1), | |
| 235 COLOR_INSTANCE_TTY_SYMBOL (c2))); | |
| 236 } | |
| 237 | |
| 2515 | 238 static Hashcode |
| 2286 | 239 tty_color_instance_hash (Lisp_Color_Instance *c, int UNUSED (depth)) |
| 428 | 240 { |
| 241 return LISP_HASH (COLOR_INSTANCE_TTY_SYMBOL (c)); | |
| 242 } | |
| 243 | |
| 244 static int | |
| 2286 | 245 tty_valid_color_name_p (struct device *UNUSED (d), Lisp_Object color) |
| 428 | 246 { |
| 247 return (!NILP (assoc_no_quit (Fintern (color, Qnil), Vtty_color_alist))); | |
| 248 #if 0 | |
| 249 || STRINGP (Vtty_dynamic_color_fg) | |
| 250 || STRINGP (Vtty_dynamic_color_bg) | |
| 251 #endif | |
| 252 } | |
| 253 | |
| 254 | |
| 255 static int | |
| 440 | 256 tty_initialize_font_instance (Lisp_Font_Instance *f, Lisp_Object name, |
| 2286 | 257 Lisp_Object UNUSED (device), |
| 258 Error_Behavior UNUSED (errb)) | |
| 428 | 259 { |
| 867 | 260 Ibyte *str = XSTRING_DATA (name); |
| 428 | 261 Lisp_Object charset = Qnil; |
| 262 | |
| 2367 | 263 if (qxestrncmp_ascii (str, "normal", 6)) |
| 428 | 264 return 0; |
| 265 str += 6; | |
| 266 if (*str) | |
| 267 { | |
| 268 #ifdef MULE | |
| 269 if (*str != '/') | |
| 270 return 0; | |
| 271 str++; | |
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272 charset = Ffind_charset (intern_istring (str)); |
| 428 | 273 if (NILP (charset)) |
| 274 return 0; | |
| 275 #else | |
| 276 return 0; | |
| 277 #endif | |
| 278 } | |
| 279 | |
| 280 /* Don't allocate the data until we're sure that we will succeed. */ | |
| 3092 | 281 #ifdef NEW_GC |
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282 f->data = |
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283 XTTY_FONT_INSTANCE_DATA (ALLOC_NORMAL_LISP_OBJECT (tty_font_instance_data)); |
| 3092 | 284 #else /* not NEW_GC */ |
| 428 | 285 f->data = xnew (struct tty_font_instance_data); |
| 3092 | 286 #endif /* not NEW_GC */ |
| 428 | 287 FONT_INSTANCE_TTY_CHARSET (f) = charset; |
| 288 #ifdef MULE | |
| 289 if (CHARSETP (charset)) | |
| 290 f->width = XCHARSET_COLUMNS (charset); | |
| 291 else | |
| 292 #endif | |
| 293 f->width = 1; | |
| 294 | |
| 295 f->proportional_p = 0; | |
| 296 f->ascent = f->height = 1; | |
| 297 f->descent = 0; | |
| 298 | |
| 299 return 1; | |
| 300 } | |
| 301 | |
| 302 static void | |
| 440 | 303 tty_mark_font_instance (Lisp_Font_Instance *f) |
| 428 | 304 { |
| 305 mark_object (FONT_INSTANCE_TTY_CHARSET (f)); | |
| 306 } | |
| 307 | |
| 308 static void | |
| 2286 | 309 tty_print_font_instance (Lisp_Font_Instance *UNUSED (f), |
| 310 Lisp_Object UNUSED (printcharfun), | |
| 311 int UNUSED (escapeflag)) | |
| 428 | 312 { |
| 313 } | |
| 314 | |
| 315 static void | |
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316 tty_finalize_font_instance (Lisp_Font_Instance *UNUSED_IF_NEW_GC (f)) |
| 428 | 317 { |
| 4141 | 318 #ifndef NEW_GC |
| 428 | 319 if (f->data) |
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320 { |
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321 xfree (f->data); |
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322 f->data = 0; |
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323 } |
| 4141 | 324 #endif /* not NEW_GC */ |
| 4117 | 325 } |
| 428 | 326 |
| 327 static Lisp_Object | |
| 2527 | 328 tty_font_list (Lisp_Object UNUSED (pattern), Lisp_Object UNUSED (device), |
| 2286 | 329 Lisp_Object UNUSED (maxnumber)) |
| 428 | 330 { |
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331 return list1 (build_ascstring ("normal")); |
| 428 | 332 } |
| 333 | |
| 334 #ifdef MULE | |
| 335 | |
| 336 static int | |
| 2286 | 337 tty_font_spec_matches_charset (struct device *UNUSED (d), Lisp_Object charset, |
| 867 | 338 const Ibyte *nonreloc, Lisp_Object reloc, |
| 872 | 339 Bytecount offset, Bytecount length, |
| 3841 | 340 enum font_specifier_matchspec_stages stage) |
| 428 | 341 { |
| 867 | 342 const Ibyte *the_nonreloc = nonreloc; |
| 428 | 343 |
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344 if (stage == STAGE_FINAL) |
| 872 | 345 return 0; |
| 346 | |
| 428 | 347 if (!the_nonreloc) |
| 348 the_nonreloc = XSTRING_DATA (reloc); | |
| 349 fixup_internal_substring (nonreloc, reloc, offset, &length); | |
| 350 the_nonreloc += offset; | |
| 351 | |
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352 if (NILP (charset)) |
| 428 | 353 return !memchr (the_nonreloc, '/', length); |
| 867 | 354 the_nonreloc = (const Ibyte *) memchr (the_nonreloc, '/', length); |
| 428 | 355 if (!the_nonreloc) |
| 356 return 0; | |
| 357 the_nonreloc++; | |
| 358 { | |
| 793 | 359 Lisp_Object s = symbol_name (XSYMBOL (XCHARSET_NAME (charset))); |
| 360 return !qxestrcmp (the_nonreloc, XSTRING_DATA (s)); | |
| 428 | 361 } |
| 362 } | |
| 363 | |
| 364 /* find a font spec that matches font spec FONT and also matches | |
| 365 (the registry of) CHARSET. */ | |
| 366 static Lisp_Object | |
| 367 tty_find_charset_font (Lisp_Object device, Lisp_Object font, | |
| 3659 | 368 Lisp_Object charset, |
| 369 enum font_specifier_matchspec_stages stage) | |
| 428 | 370 { |
| 867 | 371 Ibyte *fontname = XSTRING_DATA (font); |
| 428 | 372 |
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373 if (stage == STAGE_FINAL) |
| 872 | 374 return Qnil; |
| 375 | |
| 442 | 376 if (strchr ((const char *) fontname, '/')) |
| 428 | 377 { |
| 378 if (tty_font_spec_matches_charset (XDEVICE (device), charset, 0, | |
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379 font, 0, -1, STAGE_INITIAL)) |
| 428 | 380 return font; |
| 381 return Qnil; | |
| 382 } | |
| 383 | |
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384 if (NILP (charset)) |
| 428 | 385 return font; |
| 386 | |
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387 return concat3 (font, build_ascstring ("/"), |
| 428 | 388 Fsymbol_name (XCHARSET_NAME (charset))); |
| 389 } | |
| 390 | |
| 391 #endif /* MULE */ | |
| 392 | |
| 393 | |
| 394 /************************************************************************/ | |
| 395 /* initialization */ | |
| 396 /************************************************************************/ | |
| 397 | |
| 398 void | |
| 399 syms_of_objects_tty (void) | |
| 400 { | |
| 3092 | 401 #ifdef NEW_GC |
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402 INIT_LISP_OBJECT (tty_color_instance_data); |
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403 INIT_LISP_OBJECT (tty_font_instance_data); |
| 3092 | 404 #endif /* NEW_GC */ |
| 405 | |
| 428 | 406 DEFSUBR (Fregister_tty_color); |
| 407 DEFSUBR (Funregister_tty_color); | |
| 408 DEFSUBR (Ffind_tty_color); | |
| 409 #if 0 | |
| 410 DEFSUBR (Fset_tty_dynamic_color_specs); | |
| 411 DEFSUBR (Ftty_dynamic_color_specs); | |
| 412 #endif | |
| 413 } | |
| 414 | |
| 415 void | |
| 416 console_type_create_objects_tty (void) | |
| 417 { | |
| 418 /* object methods */ | |
| 419 CONSOLE_HAS_METHOD (tty, initialize_color_instance); | |
| 420 CONSOLE_HAS_METHOD (tty, mark_color_instance); | |
| 421 CONSOLE_HAS_METHOD (tty, print_color_instance); | |
| 422 CONSOLE_HAS_METHOD (tty, finalize_color_instance); | |
| 423 CONSOLE_HAS_METHOD (tty, color_instance_equal); | |
| 424 CONSOLE_HAS_METHOD (tty, color_instance_hash); | |
| 425 CONSOLE_HAS_METHOD (tty, valid_color_name_p); | |
| 2527 | 426 CONSOLE_HAS_METHOD (tty, color_list); |
| 428 | 427 |
| 428 CONSOLE_HAS_METHOD (tty, initialize_font_instance); | |
| 429 CONSOLE_HAS_METHOD (tty, mark_font_instance); | |
| 430 CONSOLE_HAS_METHOD (tty, print_font_instance); | |
| 431 CONSOLE_HAS_METHOD (tty, finalize_font_instance); | |
| 2527 | 432 CONSOLE_HAS_METHOD (tty, font_list); |
| 428 | 433 #ifdef MULE |
| 434 CONSOLE_HAS_METHOD (tty, font_spec_matches_charset); | |
| 435 CONSOLE_HAS_METHOD (tty, find_charset_font); | |
| 436 #endif | |
| 437 } | |
| 438 | |
| 439 void | |
| 440 vars_of_objects_tty (void) | |
| 441 { | |
| 442 staticpro (&Vtty_color_alist); | |
| 443 Vtty_color_alist = Qnil; | |
| 444 | |
| 445 #if 0 | |
| 446 staticpro (&Vtty_dynamic_color_fg); | |
| 447 Vtty_dynamic_color_fg = Qnil; | |
| 448 | |
| 449 staticpro (&Vtty_dynamic_color_bg); | |
| 450 Vtty_dynamic_color_bg = Qnil; | |
| 451 #endif | |
| 452 } |