428
+ − 1 /* The console object.
+ − 2 Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc.
800
+ − 3 Copyright (C) 1996, 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
853
+ − 24 /* Written by Ben Wing, late 1995?.
+ − 25 suspend-console, set-input-mode, and related stuff largely based on
+ − 26 existing code.
+ − 27 */
428
+ − 28
+ − 29 #include <config.h>
+ − 30 #include "lisp.h"
+ − 31
+ − 32 #include "buffer.h"
872
+ − 33 #include "console-impl.h"
+ − 34 #include "device-impl.h"
428
+ − 35 #include "events.h"
872
+ − 36 #include "frame-impl.h"
428
+ − 37 #include "redisplay.h"
+ − 38 #include "sysdep.h"
+ − 39 #include "window.h"
+ − 40
872
+ − 41 #ifdef HAVE_TTY
+ − 42 #include "console-tty-impl.h"
+ − 43 #endif
800
+ − 44
428
+ − 45 Lisp_Object Vconsole_list, Vselected_console;
+ − 46
+ − 47 Lisp_Object Vcreate_console_hook, Vdelete_console_hook;
+ − 48
+ − 49 Lisp_Object Qconsolep, Qconsole_live_p;
+ − 50 Lisp_Object Qcreate_console_hook;
+ − 51 Lisp_Object Qdelete_console_hook;
+ − 52
+ − 53 Lisp_Object Qsuspend_hook;
+ − 54 Lisp_Object Qsuspend_resume_hook;
+ − 55
+ − 56 /* This structure holds the default values of the console-local
+ − 57 variables defined with DEFVAR_CONSOLE_LOCAL, that have special
+ − 58 slots in each console. The default value occupies the same slot
+ − 59 in this structure as an individual console's value occupies in
+ − 60 that console. Setting the default value also goes through the
+ − 61 list of consoles and stores into each console that does not say
+ − 62 it has a local value. */
+ − 63 Lisp_Object Vconsole_defaults;
+ − 64 static void *console_defaults_saved_slots;
+ − 65
+ − 66 /* This structure marks which slots in a console have corresponding
+ − 67 default values in console_defaults.
+ − 68 Each such slot has a nonzero value in this structure.
+ − 69 The value has only one nonzero bit.
+ − 70
+ − 71 When a console has its own local value for a slot,
+ − 72 the bit for that slot (found in the same slot in this structure)
+ − 73 is turned on in the console's local_var_flags slot.
+ − 74
+ − 75 If a slot in this structure is 0, then there is a DEFVAR_CONSOLE_LOCAL
+ − 76 for the slot, but there is no default value for it; the corresponding
+ − 77 slot in console_defaults is not used except to initialize newly-created
+ − 78 consoles.
+ − 79
+ − 80 If a slot is -1, then there is a DEFVAR_CONSOLE_LOCAL for it
+ − 81 as well as a default value which is used to initialize newly-created
+ − 82 consoles and as a reset-value when local-vars are killed.
+ − 83
+ − 84 If a slot is -2, there is no DEFVAR_CONSOLE_LOCAL for it.
+ − 85 (The slot is always local, but there's no lisp variable for it.)
+ − 86 The default value is only used to initialize newly-creation consoles.
+ − 87
+ − 88 If a slot is -3, then there is no DEFVAR_CONSOLE_LOCAL for it but
+ − 89 there is a default which is used to initialize newly-creation
+ − 90 consoles and as a reset-value when local-vars are killed.
+ − 91
+ − 92
+ − 93 */
+ − 94 struct console console_local_flags;
+ − 95
+ − 96 /* This structure holds the names of symbols whose values may be
+ − 97 console-local. It is indexed and accessed in the same way as the above. */
+ − 98 static Lisp_Object Vconsole_local_symbols;
+ − 99 static void *console_local_symbols_saved_slots;
+ − 100
+ − 101 DEFINE_CONSOLE_TYPE (dead);
+ − 102
+ − 103 Lisp_Object Vconsole_type_list;
+ − 104
+ − 105 console_type_entry_dynarr *the_console_type_entry_dynarr;
+ − 106
+ − 107
934
+ − 108
+ − 109 #ifdef USE_KKCC
+ − 110
+ − 111 static const struct lrecord_description empty_condata_description [] = {
+ − 112 { XD_END }
+ − 113 };
+ − 114
+ − 115 static const struct lrecord_description tty_condata_description [] = {
+ − 116 { XD_LISP_OBJECT, offsetof (struct tty_console, terminal_type) },
+ − 117 { XD_LISP_OBJECT, offsetof (struct tty_console, instream) },
+ − 118 { XD_LISP_OBJECT, offsetof (struct tty_console, outstream) },
+ − 119 { XD_END }
+ − 120 };
+ − 121
+ − 122 static const struct struct_description condata_description []= {
+ − 123 { dead_console, empty_condata_description },
+ − 124 { tty_console, tty_condata_description },
+ − 125 { gtk_console, empty_condata_description },
+ − 126 { x_console, empty_condata_description },
+ − 127 { mswindows_console, empty_condata_description },
+ − 128 { stream_console, empty_condata_description },
+ − 129 { XD_END }
+ − 130 };
+ − 131
+ − 132 static const struct lrecord_description conmeths_description_1 [] = {
+ − 133 { XD_LISP_OBJECT, offsetof (struct console_methods, symbol) },
+ − 134 /*{ XD_LISP_OBJECT, offsetof (struct console_methods, predicate_symbol) },
+ − 135 { XD_LISP_OBJECT, offsetof (struct console_methods, image_conversion_list) },*/
+ − 136 { XD_END }
+ − 137 };
+ − 138
+ − 139 static const struct struct_description conmeths_description = {
+ − 140 sizeof (struct console_methods),
+ − 141 conmeths_description_1
+ − 142 };
+ − 143
+ − 144 static const struct lrecord_description console_description [] = {
+ − 145 { XD_INT, offsetof (struct console, contype) },
+ − 146 { XD_LISP_OBJECT, offsetof (struct console, name) },
+ − 147 { XD_LISP_OBJECT, offsetof (struct console, connection) },
+ − 148 { XD_LISP_OBJECT, offsetof (struct console, canon_connection) },
+ − 149 { XD_LISP_OBJECT, offsetof (struct console, device_list) },
+ − 150 { XD_LISP_OBJECT, offsetof (struct console, selected_device) },
+ − 151 { XD_LISP_OBJECT, offsetof (struct console, last_nonminibuf_frame) },
+ − 152 { XD_LISP_OBJECT, offsetof (struct console, overriding_terminal_local_map) },
+ − 153 { XD_LISP_OBJECT, offsetof (struct console, last_command) },
+ − 154 { XD_LISP_OBJECT, offsetof (struct console, prefix_arg) },
+ − 155 { XD_LISP_OBJECT, offsetof (struct console, command_builder) },
+ − 156 { XD_LISP_OBJECT, offsetof (struct console, defining_kbd_macro) },
+ − 157 { XD_LISP_OBJECT, offsetof (struct console, kbd_macro_builder) },
+ − 158 { XD_LISP_OBJECT, offsetof (struct console, last_kbd_macro) },
+ − 159 #ifdef HAVE_TTY
+ − 160 { XD_LISP_OBJECT, offsetof (struct console, tty_erase_char) },
+ − 161 #endif
+ − 162 { XD_LISP_OBJECT, offsetof (struct console, default_minibuffer_frame) },
+ − 163 { XD_LISP_OBJECT, offsetof (struct console, function_key_map) },
+ − 164 { XD_STRUCT_PTR, offsetof (struct console, conmeths), 1, &conmeths_description },
+ − 165 { XD_UNION, offsetof (struct console, console_data),
+ − 166 XD_INDIRECT (0, 0), condata_description },
+ − 167 { XD_END }
+ − 168 };
+ − 169
+ − 170 #endif /* USE_KKCC */
+ − 171
428
+ − 172 static Lisp_Object
+ − 173 mark_console (Lisp_Object obj)
+ − 174 {
+ − 175 struct console *con = XCONSOLE (obj);
+ − 176
+ − 177 #define MARKED_SLOT(x) mark_object (con->x)
+ − 178 #include "conslots.h"
+ − 179
+ − 180 /* Can be zero for Vconsole_defaults, Vconsole_local_symbols */
+ − 181 if (con->conmeths)
+ − 182 {
+ − 183 mark_object (con->conmeths->symbol);
+ − 184 MAYBE_CONMETH (con, mark_console, (con));
+ − 185 }
+ − 186
+ − 187 return Qnil;
+ − 188 }
+ − 189
+ − 190 static void
+ − 191 print_console (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
+ − 192 {
+ − 193 struct console *con = XCONSOLE (obj);
+ − 194
+ − 195 if (print_readably)
563
+ − 196 printing_unreadable_object ("#<console %s 0x%x>",
+ − 197 XSTRING_DATA (con->name), con->header.uid);
428
+ − 198
800
+ − 199 write_fmt_string (printcharfun, "#<%s-console",
+ − 200 !CONSOLE_LIVE_P (con) ? "dead" : CONSOLE_TYPE_NAME (con));
440
+ − 201 if (CONSOLE_LIVE_P (con) && !NILP (CONSOLE_CONNECTION (con)))
800
+ − 202 write_fmt_string_lisp (printcharfun, " on %S", 1,
+ − 203 CONSOLE_CONNECTION (con));
+ − 204 write_fmt_string (printcharfun, " 0x%x>", con->header.uid);
428
+ − 205 }
+ − 206
934
+ − 207 #ifdef USE_KKCC
+ − 208 DEFINE_LRECORD_IMPLEMENTATION ("console", console,
+ − 209 0, /*dumpable-flag*/
+ − 210 mark_console, print_console, 0, 0, 0,
+ − 211 console_description,
+ − 212 struct console);
+ − 213 #else /* not USE_KKCC */
428
+ − 214 DEFINE_LRECORD_IMPLEMENTATION ("console", console,
+ − 215 mark_console, print_console, 0, 0, 0, 0,
+ − 216 struct console);
934
+ − 217 #endif /* not USE_KKCC */
428
+ − 218
+ − 219 static struct console *
+ − 220 allocate_console (void)
+ − 221 {
+ − 222 Lisp_Object console;
+ − 223 struct console *con = alloc_lcrecord_type (struct console, &lrecord_console);
+ − 224 struct gcpro gcpro1;
+ − 225
+ − 226 copy_lcrecord (con, XCONSOLE (Vconsole_defaults));
+ − 227
793
+ − 228 console = wrap_console (con);
428
+ − 229 GCPRO1 (console);
+ − 230
+ − 231 con->quit_char = 7; /* C-g */
771
+ − 232 con->command_builder = allocate_command_builder (console, 1);
428
+ − 233 con->function_key_map = Fmake_sparse_keymap (Qnil);
+ − 234
+ − 235 UNGCPRO;
+ − 236 return con;
+ − 237 }
+ − 238
+ − 239 struct console *
+ − 240 decode_console (Lisp_Object console)
+ − 241 {
+ − 242 if (NILP (console))
+ − 243 console = Fselected_console ();
+ − 244 /* quietly accept devices and frames for the console arg */
+ − 245 if (DEVICEP (console) || FRAMEP (console))
+ − 246 console = DEVICE_CONSOLE (decode_device (console));
+ − 247 CHECK_LIVE_CONSOLE (console);
+ − 248 return XCONSOLE (console);
+ − 249 }
+ − 250
+ − 251
+ − 252 struct console_methods *
578
+ − 253 decode_console_type (Lisp_Object type, Error_Behavior errb)
428
+ − 254 {
+ − 255 int i;
+ − 256
+ − 257 for (i = 0; i < Dynarr_length (the_console_type_entry_dynarr); i++)
+ − 258 if (EQ (type, Dynarr_at (the_console_type_entry_dynarr, i).symbol))
+ − 259 return Dynarr_at (the_console_type_entry_dynarr, i).meths;
+ − 260
563
+ − 261 maybe_invalid_constant ("Invalid console type", type, Qconsole, errb);
428
+ − 262
+ − 263 return 0;
+ − 264 }
+ − 265
934
+ − 266 #ifdef USE_KKCC
+ − 267 enum console_variant
+ − 268 get_console_variant (Lisp_Object type)
+ − 269 {
+ − 270 if (EQ (type, Qtty))
+ − 271 {
+ − 272 return tty_console;
+ − 273 }
+ − 274
+ − 275 if (EQ (type, Qgtk))
+ − 276 {
+ − 277 return gtk_console;
+ − 278 }
+ − 279
+ − 280 if (EQ (type, Qx))
+ − 281 {
+ − 282 return x_console;
+ − 283 }
+ − 284
+ − 285 if (EQ (type, Qmswindows))
+ − 286 {
+ − 287 return mswindows_console;
+ − 288 }
+ − 289
+ − 290 if (EQ (type, Qstream))
+ − 291 {
+ − 292 return stream_console;
+ − 293 }
+ − 294
+ − 295 abort (); /* should never happen */
+ − 296 return dead_console;
+ − 297 }
+ − 298 #endif /* USE_KKCC */
+ − 299
428
+ − 300 int
+ − 301 valid_console_type_p (Lisp_Object type)
+ − 302 {
+ − 303 return decode_console_type (type, ERROR_ME_NOT) != 0;
+ − 304 }
+ − 305
+ − 306 DEFUN ("valid-console-type-p", Fvalid_console_type_p, 1, 1, 0, /*
444
+ − 307 Return t if CONSOLE-TYPE is a valid console type.
428
+ − 308 Valid types are 'x, 'tty, and 'stream.
+ − 309 */
+ − 310 (console_type))
+ − 311 {
+ − 312 return valid_console_type_p (console_type) ? Qt : Qnil;
+ − 313 }
+ − 314
+ − 315 DEFUN ("console-type-list", Fconsole_type_list, 0, 0, 0, /*
+ − 316 Return a list of valid console types.
+ − 317 */
+ − 318 ())
+ − 319 {
+ − 320 return Fcopy_sequence (Vconsole_type_list);
+ − 321 }
+ − 322
+ − 323 DEFUN ("cdfw-console", Fcdfw_console, 1, 1, 0, /*
+ − 324 Given a console, device, frame, or window, return the associated console.
+ − 325 Return nil otherwise.
+ − 326 */
444
+ − 327 (object))
428
+ − 328 {
444
+ − 329 return CDFW_CONSOLE (object);
428
+ − 330 }
+ − 331
872
+ − 332 int
+ − 333 console_live_p (struct console *c)
+ − 334 {
+ − 335 return CONSOLE_LIVE_P (c);
+ − 336 }
+ − 337
+ − 338 Lisp_Object
+ − 339 console_device_list (struct console *c)
+ − 340 {
+ − 341 return CONSOLE_DEVICE_LIST (c);
+ − 342 }
+ − 343
428
+ − 344
+ − 345 DEFUN ("selected-console", Fselected_console, 0, 0, 0, /*
+ − 346 Return the console which is currently active.
+ − 347 */
+ − 348 ())
+ − 349 {
+ − 350 return Vselected_console;
+ − 351 }
+ − 352
+ − 353 /* Called from selected_device_1(), called from selected_frame_1(),
+ − 354 called from Fselect_window() */
+ − 355 void
+ − 356 select_console_1 (Lisp_Object console)
+ − 357 {
+ − 358 /* perhaps this should do something more complicated */
+ − 359 Vselected_console = console;
+ − 360
+ − 361 /* #### Schedule this to be removed in 19.14 */
+ − 362 #ifdef HAVE_X_WINDOWS
+ − 363 if (CONSOLE_X_P (XCONSOLE (console)))
+ − 364 Vwindow_system = Qx;
+ − 365 else
+ − 366 #endif
462
+ − 367 #ifdef HAVE_GTK
+ − 368 if (CONSOLE_GTK_P (XCONSOLE (console)))
+ − 369 Vwindow_system = Qgtk;
+ − 370 else
+ − 371 #endif
428
+ − 372 #ifdef HAVE_MS_WINDOWS
+ − 373 if (CONSOLE_MSWINDOWS_P (XCONSOLE (console)))
+ − 374 Vwindow_system = Qmswindows;
+ − 375 else
+ − 376 #endif
+ − 377 Vwindow_system = Qnil;
+ − 378 }
+ − 379
+ − 380 DEFUN ("select-console", Fselect_console, 1, 1, 0, /*
+ − 381 Select the console CONSOLE.
+ − 382 Subsequent editing commands apply to its selected device, selected frame,
+ − 383 and selected window. The selection of CONSOLE lasts until the next time
+ − 384 the user does something to select a different console, or until the next
+ − 385 time this function is called.
+ − 386 */
+ − 387 (console))
+ − 388 {
+ − 389 Lisp_Object device;
+ − 390
+ − 391 CHECK_LIVE_CONSOLE (console);
+ − 392
+ − 393 device = CONSOLE_SELECTED_DEVICE (XCONSOLE (console));
+ − 394 if (!NILP (device))
+ − 395 {
+ − 396 struct device *d = XDEVICE (device);
+ − 397 Lisp_Object frame = DEVICE_SELECTED_FRAME (d);
+ − 398 if (!NILP (frame))
+ − 399 {
+ − 400 struct frame *f = XFRAME(frame);
+ − 401 Fselect_window (FRAME_SELECTED_WINDOW (f), Qnil);
+ − 402 }
+ − 403 else
563
+ − 404 invalid_operation ("Can't select console with no frames", Qunbound);
428
+ − 405 }
+ − 406 else
563
+ − 407 invalid_operation ("Can't select a console with no devices", Qunbound);
428
+ − 408 return Qnil;
+ − 409 }
+ − 410
+ − 411 void
+ − 412 set_console_last_nonminibuf_frame (struct console *con,
+ − 413 Lisp_Object frame)
+ − 414 {
+ − 415 con->last_nonminibuf_frame = frame;
+ − 416 }
+ − 417
+ − 418 DEFUN ("consolep", Fconsolep, 1, 1, 0, /*
+ − 419 Return non-nil if OBJECT is a console.
+ − 420 */
+ − 421 (object))
+ − 422 {
+ − 423 return CONSOLEP (object) ? Qt : Qnil;
+ − 424 }
+ − 425
+ − 426 DEFUN ("console-live-p", Fconsole_live_p, 1, 1, 0, /*
+ − 427 Return non-nil if OBJECT is a console that has not been deleted.
+ − 428 */
+ − 429 (object))
+ − 430 {
+ − 431 return CONSOLEP (object) && CONSOLE_LIVE_P (XCONSOLE (object)) ? Qt : Qnil;
+ − 432 }
+ − 433
+ − 434 DEFUN ("console-type", Fconsole_type, 0, 1, 0, /*
444
+ − 435 Return the console type (e.g. `x' or `tty') of CONSOLE.
428
+ − 436 Value is `tty' for a tty console (a character-only terminal),
+ − 437 `x' for a console that is an X display,
+ − 438 `mswindows' for a console that is a Windows NT/95/97 connection,
+ − 439 `pc' for a console that is a direct-write MS-DOS connection (not yet
+ − 440 implemented),
+ − 441 `stream' for a stream console (which acts like a stdio stream), and
+ − 442 `dead' for a deleted console.
+ − 443 */
+ − 444 (console))
+ − 445 {
+ − 446 /* don't call decode_console() because we want to allow for dead
+ − 447 consoles. */
+ − 448 if (NILP (console))
+ − 449 console = Fselected_console ();
+ − 450 CHECK_CONSOLE (console);
+ − 451 return CONSOLE_TYPE (XCONSOLE (console));
+ − 452 }
+ − 453
+ − 454 DEFUN ("console-name", Fconsole_name, 0, 1, 0, /*
444
+ − 455 Return the name of CONSOLE.
428
+ − 456 */
+ − 457 (console))
+ − 458 {
+ − 459 return CONSOLE_NAME (decode_console (console));
+ − 460 }
+ − 461
+ − 462 DEFUN ("console-connection", Fconsole_connection, 0, 1, 0, /*
+ − 463 Return the connection of the specified console.
+ − 464 CONSOLE defaults to the selected console if omitted.
+ − 465 */
+ − 466 (console))
+ − 467 {
+ − 468 return CONSOLE_CONNECTION (decode_console (console));
+ − 469 }
+ − 470
+ − 471 static Lisp_Object
+ − 472 semi_canonicalize_console_connection (struct console_methods *meths,
578
+ − 473 Lisp_Object name, Error_Behavior errb)
428
+ − 474 {
440
+ − 475 if (HAS_CONTYPE_METH_P (meths, semi_canonicalize_console_connection))
+ − 476 return CONTYPE_METH (meths, semi_canonicalize_console_connection,
+ − 477 (name, errb));
+ − 478 else
+ − 479 return CONTYPE_METH_OR_GIVEN (meths, canonicalize_console_connection,
+ − 480 (name, errb), name);
428
+ − 481 }
+ − 482
+ − 483 static Lisp_Object
+ − 484 canonicalize_console_connection (struct console_methods *meths,
578
+ − 485 Lisp_Object name, Error_Behavior errb)
428
+ − 486 {
440
+ − 487 if (HAS_CONTYPE_METH_P (meths, canonicalize_console_connection))
+ − 488 return CONTYPE_METH (meths, canonicalize_console_connection,
+ − 489 (name, errb));
+ − 490 else
+ − 491 return CONTYPE_METH_OR_GIVEN (meths, semi_canonicalize_console_connection,
+ − 492 (name, errb), name);
428
+ − 493 }
+ − 494
+ − 495 static Lisp_Object
+ − 496 find_console_of_type (struct console_methods *meths, Lisp_Object canon)
+ − 497 {
+ − 498 Lisp_Object concons;
+ − 499
+ − 500 CONSOLE_LOOP (concons)
+ − 501 {
+ − 502 Lisp_Object console = XCAR (concons);
+ − 503
+ − 504 if (EQ (CONMETH_TYPE (meths), CONSOLE_TYPE (XCONSOLE (console)))
+ − 505 && internal_equal (CONSOLE_CANON_CONNECTION (XCONSOLE (console)),
+ − 506 canon, 0))
+ − 507 return console;
+ − 508 }
+ − 509
+ − 510 return Qnil;
+ − 511 }
+ − 512
+ − 513 DEFUN ("find-console", Ffind_console, 1, 2, 0, /*
+ − 514 Look for an existing console attached to connection CONNECTION.
+ − 515 Return the console if found; otherwise, return nil.
+ − 516
+ − 517 If TYPE is specified, only return consoles of that type; otherwise,
+ − 518 return consoles of any type. (It is possible, although unlikely,
+ − 519 that two consoles of different types could have the same connection
+ − 520 name; in such a case, the first console found is returned.)
+ − 521 */
+ − 522 (connection, type))
+ − 523 {
+ − 524 Lisp_Object canon = Qnil;
+ − 525 struct gcpro gcpro1;
+ − 526
+ − 527 GCPRO1 (canon);
+ − 528
+ − 529 if (!NILP (type))
+ − 530 {
+ − 531 struct console_methods *conmeths = decode_console_type (type, ERROR_ME);
+ − 532 canon = canonicalize_console_connection (conmeths, connection,
+ − 533 ERROR_ME_NOT);
+ − 534 if (UNBOUNDP (canon))
+ − 535 RETURN_UNGCPRO (Qnil);
+ − 536
+ − 537 RETURN_UNGCPRO (find_console_of_type (conmeths, canon));
+ − 538 }
+ − 539 else
+ − 540 {
+ − 541 int i;
+ − 542
+ − 543 for (i = 0; i < Dynarr_length (the_console_type_entry_dynarr); i++)
+ − 544 {
+ − 545 struct console_methods *conmeths =
+ − 546 Dynarr_at (the_console_type_entry_dynarr, i).meths;
+ − 547 canon = canonicalize_console_connection (conmeths, connection,
+ − 548 ERROR_ME_NOT);
+ − 549 if (!UNBOUNDP (canon))
+ − 550 {
+ − 551 Lisp_Object console = find_console_of_type (conmeths, canon);
+ − 552 if (!NILP (console))
+ − 553 RETURN_UNGCPRO (console);
+ − 554 }
+ − 555 }
+ − 556
+ − 557 RETURN_UNGCPRO (Qnil);
+ − 558 }
+ − 559 }
+ − 560
+ − 561 DEFUN ("get-console", Fget_console, 1, 2, 0, /*
+ − 562 Look for an existing console attached to connection CONNECTION.
+ − 563 Return the console if found; otherwise, signal an error.
+ − 564
+ − 565 If TYPE is specified, only return consoles of that type; otherwise,
+ − 566 return consoles of any type. (It is possible, although unlikely,
+ − 567 that two consoles of different types could have the same connection
+ − 568 name; in such a case, the first console found is returned.)
+ − 569 */
+ − 570 (connection, type))
+ − 571 {
+ − 572 Lisp_Object console = Ffind_console (connection, type);
+ − 573 if (NILP (console))
+ − 574 {
+ − 575 if (NILP (type))
563
+ − 576 invalid_argument ("No such console", connection);
428
+ − 577 else
563
+ − 578 invalid_argument_2 ("No such console", type, connection);
428
+ − 579 }
+ − 580 return console;
+ − 581 }
+ − 582
+ − 583 Lisp_Object
+ − 584 create_console (Lisp_Object name, Lisp_Object type, Lisp_Object connection,
+ − 585 Lisp_Object props)
+ − 586 {
+ − 587 /* This function can GC */
+ − 588 struct console *con;
+ − 589 Lisp_Object console;
+ − 590 struct gcpro gcpro1;
+ − 591
+ − 592 console = Ffind_console (connection, type);
+ − 593 if (!NILP (console))
+ − 594 return console;
+ − 595
+ − 596 con = allocate_console ();
793
+ − 597 console = wrap_console (con);
428
+ − 598
+ − 599 GCPRO1 (console);
+ − 600
+ − 601 con->conmeths = decode_console_type (type, ERROR_ME);
934
+ − 602 #ifdef USE_KKCC
+ − 603 con->contype = get_console_variant (type);
+ − 604 #endif /* USE_KKCC */
428
+ − 605
+ − 606 CONSOLE_NAME (con) = name;
+ − 607 CONSOLE_CONNECTION (con) =
+ − 608 semi_canonicalize_console_connection (con->conmeths, connection,
+ − 609 ERROR_ME);
+ − 610 CONSOLE_CANON_CONNECTION (con) =
+ − 611 canonicalize_console_connection (con->conmeths, connection,
+ − 612 ERROR_ME);
+ − 613
+ − 614 MAYBE_CONMETH (con, init_console, (con, props));
+ − 615
+ − 616 /* Do it this way so that the console list is in order of creation */
+ − 617 Vconsole_list = nconc2 (Vconsole_list, Fcons (console, Qnil));
853
+ − 618 note_object_created (console);
428
+ − 619
440
+ − 620 if (CONMETH_OR_GIVEN (con, initially_selected_for_input, (con), 0))
428
+ − 621 event_stream_select_console (con);
+ − 622
+ − 623 UNGCPRO;
+ − 624 return console;
+ − 625 }
+ − 626
+ − 627 void
+ − 628 add_entry_to_console_type_list (Lisp_Object symbol,
+ − 629 struct console_methods *meths)
+ − 630 {
+ − 631 struct console_type_entry entry;
+ − 632
+ − 633 entry.symbol = symbol;
+ − 634 entry.meths = meths;
+ − 635 Dynarr_add (the_console_type_entry_dynarr, entry);
+ − 636 Vconsole_type_list = Fcons (symbol, Vconsole_type_list);
+ − 637 }
+ − 638
+ − 639 /* find a console other than the selected one. Prefer non-stream
+ − 640 consoles over stream consoles. */
+ − 641
+ − 642 static Lisp_Object
+ − 643 find_other_console (Lisp_Object console)
+ − 644 {
+ − 645 Lisp_Object concons;
+ − 646
+ − 647 /* look for a non-stream console */
+ − 648 CONSOLE_LOOP (concons)
+ − 649 {
+ − 650 Lisp_Object con = XCAR (concons);
+ − 651 if (!CONSOLE_STREAM_P (XCONSOLE (con))
+ − 652 && !EQ (con, console)
+ − 653 && !NILP (CONSOLE_SELECTED_DEVICE (XCONSOLE (con)))
+ − 654 && !NILP (DEVICE_SELECTED_FRAME
+ − 655 (XDEVICE (CONSOLE_SELECTED_DEVICE (XCONSOLE (con))))))
+ − 656 break;
+ − 657 }
+ − 658 if (!NILP (concons))
+ − 659 return XCAR (concons);
+ − 660
+ − 661 /* OK, now look for a stream console */
+ − 662 CONSOLE_LOOP (concons)
+ − 663 {
+ − 664 Lisp_Object con = XCAR (concons);
+ − 665 if (!EQ (con, console)
+ − 666 && !NILP (CONSOLE_SELECTED_DEVICE (XCONSOLE (con)))
+ − 667 && !NILP (DEVICE_SELECTED_FRAME
+ − 668 (XDEVICE (CONSOLE_SELECTED_DEVICE (XCONSOLE (con))))))
+ − 669 break;
+ − 670 }
+ − 671 if (!NILP (concons))
+ − 672 return XCAR (concons);
+ − 673
+ − 674 /* Sorry, there ain't none */
+ − 675 return Qnil;
+ − 676 }
+ − 677
+ − 678 static int
+ − 679 find_nonminibuffer_frame_not_on_console_predicate (Lisp_Object frame,
+ − 680 void *closure)
+ − 681 {
+ − 682 Lisp_Object console;
+ − 683
826
+ − 684 console = VOID_TO_LISP (closure);
428
+ − 685 if (FRAME_MINIBUF_ONLY_P (XFRAME (frame)))
+ − 686 return 0;
+ − 687 if (EQ (console, FRAME_CONSOLE (XFRAME (frame))))
+ − 688 return 0;
+ − 689 return 1;
+ − 690 }
+ − 691
+ − 692 static Lisp_Object
+ − 693 find_nonminibuffer_frame_not_on_console (Lisp_Object console)
+ − 694 {
+ − 695 return find_some_frame (find_nonminibuffer_frame_not_on_console_predicate,
+ − 696 LISP_TO_VOID (console));
+ − 697 }
+ − 698
617
+ − 699 static void
+ − 700 nuke_all_console_slots (struct console *con, Lisp_Object zap)
+ − 701 {
+ − 702 zero_lcrecord (con);
+ − 703
+ − 704 #define MARKED_SLOT(x) con->x = zap
+ − 705 #include "conslots.h"
+ − 706 }
+ − 707
428
+ − 708 /* Delete console CON.
+ − 709
+ − 710 If FORCE is non-zero, allow deletion of the only frame.
+ − 711
+ − 712 If CALLED_FROM_KILL_EMACS is non-zero, then, if
+ − 713 deleting the last console, just delete it,
+ − 714 instead of calling `save-buffers-kill-emacs'.
+ − 715
+ − 716 If FROM_IO_ERROR is non-zero, then the console is gone due
+ − 717 to an I/O error. This affects what happens if we exit
+ − 718 (we do an emergency exit instead of `save-buffers-kill-emacs'.)
+ − 719 */
+ − 720
+ − 721 void
+ − 722 delete_console_internal (struct console *con, int force,
+ − 723 int called_from_kill_emacs, int from_io_error)
+ − 724 {
+ − 725 /* This function can GC */
+ − 726 Lisp_Object console;
+ − 727 struct gcpro gcpro1;
+ − 728
+ − 729 /* OK to delete an already-deleted console. */
+ − 730 if (!CONSOLE_LIVE_P (con))
+ − 731 return;
+ − 732
793
+ − 733 console = wrap_console (con);
853
+ − 734
+ − 735 if (!force)
+ − 736 check_allowed_operation (OPERATION_DELETE_OBJECT, console, Qnil);
+ − 737
428
+ − 738 GCPRO1 (console);
+ − 739
+ − 740 if (!called_from_kill_emacs)
+ − 741 {
+ − 742 int down_we_go = 0;
+ − 743
+ − 744 if ((XINT (Flength (Vconsole_list)) == 1)
+ − 745 /* if we just created the console, it might not be listed,
+ − 746 or something ... */
+ − 747 && !NILP (memq_no_quit (console, Vconsole_list)))
+ − 748 down_we_go = 1;
+ − 749 /* If there aren't any nonminibuffer frames that would
+ − 750 be left, then exit. */
+ − 751 else if (NILP (find_nonminibuffer_frame_not_on_console (console)))
+ − 752 down_we_go = 1;
+ − 753
+ − 754 if (down_we_go)
+ − 755 {
+ − 756 if (!force)
563
+ − 757 invalid_operation ("Attempt to delete the only frame", Qunbound);
428
+ − 758 else if (from_io_error)
+ − 759 {
+ − 760 /* Mayday mayday! We're going down! */
+ − 761 stderr_out (" Autosaving and exiting...\n");
+ − 762 Vwindow_system = Qnil; /* let it lie! */
+ − 763 preparing_for_armageddon = 1;
+ − 764 Fkill_emacs (make_int (70));
+ − 765 }
+ − 766 else
+ − 767 {
+ − 768 call0 (Qsave_buffers_kill_emacs);
+ − 769 UNGCPRO;
+ − 770 /* If we get here, the user said they didn't want
+ − 771 to exit, so don't. */
+ − 772 return;
+ − 773 }
+ − 774 }
+ − 775 }
+ − 776
+ − 777 /* Breathe a sigh of relief. We're still alive. */
+ − 778
+ − 779 {
+ − 780 Lisp_Object frmcons, devcons;
+ − 781
+ − 782 /* First delete all frames without their own minibuffers,
+ − 783 to avoid errors coming from attempting to delete a frame
+ − 784 that is a surrogate for another frame.
+ − 785
+ − 786 We don't set "called_from_delete_console" because we want the
+ − 787 device to go ahead and get deleted if we delete the last frame
+ − 788 on a device. We won't run into trouble here because for any
+ − 789 frame without a minibuffer, there has to be another one on
+ − 790 the same console with a minibuffer, and we're not deleting that,
+ − 791 so delete_console_internal() won't get recursively called.
+ − 792
+ − 793 WRONG! With surrogate minibuffers this isn't true. Frames
+ − 794 with only a minibuffer are not enough to prevent
+ − 795 delete_frame_internal from triggering a device deletion. */
+ − 796 CONSOLE_FRAME_LOOP_NO_BREAK (frmcons, devcons, con)
+ − 797 {
+ − 798 struct frame *f = XFRAME (XCAR (frmcons));
+ − 799 /* delete_frame_internal() might do anything such as run hooks,
+ − 800 so be defensive. */
+ − 801 if (FRAME_LIVE_P (f) && !FRAME_HAS_MINIBUF_P (f))
+ − 802 delete_frame_internal (f, 1, 1, from_io_error);
+ − 803
+ − 804 if (!CONSOLE_LIVE_P (con)) /* make sure the delete-*-hook didn't
+ − 805 go ahead and delete anything */
+ − 806 {
+ − 807 UNGCPRO;
+ − 808 return;
+ − 809 }
+ − 810 }
+ − 811
+ − 812 CONSOLE_DEVICE_LOOP (devcons, con)
+ − 813 {
+ − 814 struct device *d = XDEVICE (XCAR (devcons));
+ − 815 /* delete_device_internal() might do anything such as run hooks,
+ − 816 so be defensive. */
+ − 817 if (DEVICE_LIVE_P (d))
+ − 818 delete_device_internal (d, 1, 1, from_io_error);
+ − 819 if (!CONSOLE_LIVE_P (con)) /* make sure the delete-*-hook didn't
+ − 820 go ahead and delete anything */
+ − 821 {
+ − 822 UNGCPRO;
+ − 823 return;
+ − 824 }
+ − 825 }
+ − 826 }
+ − 827
+ − 828 CONSOLE_SELECTED_DEVICE (con) = Qnil;
+ − 829
+ − 830 /* try to select another console */
+ − 831
+ − 832 if (EQ (console, Fselected_console ()))
+ − 833 {
+ − 834 Lisp_Object other_dev = find_other_console (console);
+ − 835 if (!NILP (other_dev))
+ − 836 Fselect_console (other_dev);
+ − 837 else
+ − 838 {
+ − 839 /* necessary? */
+ − 840 Vselected_console = Qnil;
+ − 841 Vwindow_system = Qnil;
+ − 842 }
+ − 843 }
+ − 844
+ − 845 if (con->input_enabled)
+ − 846 event_stream_unselect_console (con);
+ − 847
+ − 848 MAYBE_CONMETH (con, delete_console, (con));
+ − 849
+ − 850 Vconsole_list = delq_no_quit (console, Vconsole_list);
617
+ − 851
428
+ − 852 RESET_CHANGED_SET_FLAGS;
617
+ − 853
+ − 854 /* Nobody should be accessing anything in this object any more, and
+ − 855 making all Lisp_Objects Qnil allows for better GC'ing in case a
+ − 856 pointer to the dead console continues to hang around. Zero all
+ − 857 other structs in case someone tries to access something through
+ − 858 them. */
+ − 859 nuke_all_console_slots (con, Qnil);
428
+ − 860 con->conmeths = dead_console_methods;
853
+ − 861 note_object_deleted (console);
428
+ − 862
+ − 863 UNGCPRO;
+ − 864 }
+ − 865
+ − 866 void
+ − 867 io_error_delete_console (Lisp_Object console)
+ − 868 {
+ − 869 delete_console_internal (XCONSOLE (console), 1, 0, 1);
+ − 870 }
+ − 871
+ − 872 DEFUN ("delete-console", Fdelete_console, 1, 2, 0, /*
+ − 873 Delete CONSOLE, permanently eliminating it from use.
+ − 874 Normally, you cannot delete the last non-minibuffer-only frame (you must
+ − 875 use `save-buffers-kill-emacs' or `kill-emacs'). However, if optional
+ − 876 second argument FORCE is non-nil, you can delete the last frame. (This
+ − 877 will automatically call `save-buffers-kill-emacs'.)
+ − 878 */
+ − 879 (console, force))
+ − 880 {
+ − 881 CHECK_CONSOLE (console);
+ − 882 delete_console_internal (XCONSOLE (console), !NILP (force), 0, 0);
+ − 883 return Qnil;
+ − 884 }
+ − 885
+ − 886 DEFUN ("console-list", Fconsole_list, 0, 0, 0, /*
+ − 887 Return a list of all consoles.
+ − 888 */
+ − 889 ())
+ − 890 {
+ − 891 return Fcopy_sequence (Vconsole_list);
+ − 892 }
+ − 893
+ − 894 DEFUN ("console-device-list", Fconsole_device_list, 0, 1, 0, /*
+ − 895 Return a list of all devices on CONSOLE.
444
+ − 896 If CONSOLE is nil, the selected console is used.
428
+ − 897 */
+ − 898 (console))
+ − 899 {
+ − 900 return Fcopy_sequence (CONSOLE_DEVICE_LIST (decode_console (console)));
+ − 901 }
+ − 902
+ − 903 DEFUN ("console-enable-input", Fconsole_enable_input, 1, 1, 0, /*
+ − 904 Enable input on console CONSOLE.
+ − 905 */
+ − 906 (console))
+ − 907 {
+ − 908 struct console *con = decode_console (console);
+ − 909 if (!con->input_enabled)
+ − 910 event_stream_select_console (con);
+ − 911 return Qnil;
+ − 912 }
+ − 913
+ − 914 DEFUN ("console-disable-input", Fconsole_disable_input, 1, 1, 0, /*
+ − 915 Disable input on console CONSOLE.
+ − 916 */
+ − 917 (console))
+ − 918 {
+ − 919 struct console *con = decode_console (console);
+ − 920 if (con->input_enabled)
+ − 921 event_stream_unselect_console (con);
+ − 922 return Qnil;
+ − 923 }
+ − 924
+ − 925 DEFUN ("console-on-window-system-p", Fconsole_on_window_system_p, 0, 1, 0, /*
444
+ − 926 Return t if CONSOLE is on a window system.
+ − 927 If CONSOLE is nil, the selected console is used.
428
+ − 928 This generally means that there is support for the mouse, the menubar,
+ − 929 the toolbar, glyphs, etc.
+ − 930 */
+ − 931 (console))
+ − 932 {
+ − 933 Lisp_Object type = CONSOLE_TYPE (decode_console (console));
+ − 934
+ − 935 return !EQ (type, Qtty) && !EQ (type, Qstream) ? Qt : Qnil;
+ − 936 }
+ − 937
+ − 938
+ − 939
+ − 940 /**********************************************************************/
+ − 941 /* Miscellaneous low-level functions */
+ − 942 /**********************************************************************/
+ − 943
+ − 944 static Lisp_Object
+ − 945 unwind_init_sys_modes (Lisp_Object console)
+ − 946 {
+ − 947 reinit_initial_console ();
+ − 948
+ − 949 if (!no_redraw_on_reenter &&
+ − 950 CONSOLEP (console) &&
+ − 951 CONSOLE_LIVE_P (XCONSOLE (console)))
+ − 952 {
+ − 953 struct frame *f =
+ − 954 XFRAME (DEVICE_SELECTED_FRAME
+ − 955 (XDEVICE (CONSOLE_SELECTED_DEVICE (XCONSOLE (console)))));
+ − 956 MARK_FRAME_CHANGED (f);
+ − 957 }
+ − 958 return Qnil;
+ − 959 }
+ − 960
+ − 961 DEFUN ("suspend-emacs", Fsuspend_emacs, 0, 1, "", /*
+ − 962 Stop Emacs and return to superior process. You can resume later.
+ − 963 On systems that don't have job control, run a subshell instead.
+ − 964
+ − 965 If optional arg STUFFSTRING is non-nil, its characters are stuffed
+ − 966 to be read as terminal input by Emacs's superior shell.
+ − 967
+ − 968 Before suspending, run the normal hook `suspend-hook'.
+ − 969 After resumption run the normal hook `suspend-resume-hook'.
+ − 970
+ − 971 Some operating systems cannot stop the Emacs process and resume it later.
+ − 972 On such systems, Emacs will start a subshell and wait for it to exit.
+ − 973 */
+ − 974 (stuffstring))
+ − 975 {
+ − 976 int speccount = specpdl_depth ();
+ − 977 struct gcpro gcpro1;
+ − 978
+ − 979 if (!NILP (stuffstring))
+ − 980 CHECK_STRING (stuffstring);
+ − 981 GCPRO1 (stuffstring);
+ − 982
+ − 983 /* There used to be a check that the initial console is TTY.
+ − 984 This is bogus. Even checking to see whether any console
+ − 985 is a controlling terminal is not correct -- maybe
+ − 986 the user used the -t option or something. If we want to
+ − 987 suspend, then we suspend. Period. */
+ − 988
+ − 989 /* Call value of suspend-hook. */
+ − 990 run_hook (Qsuspend_hook);
+ − 991
+ − 992 reset_initial_console ();
+ − 993 /* sys_suspend can get an error if it tries to fork a subshell
+ − 994 and the system resources aren't available for that. */
+ − 995 record_unwind_protect (unwind_init_sys_modes, Vcontrolling_terminal);
+ − 996 stuff_buffered_input (stuffstring);
+ − 997 sys_suspend ();
+ − 998 /* the console is un-reset inside of the unwind-protect. */
771
+ − 999 unbind_to (speccount);
428
+ − 1000
+ − 1001 #ifdef SIGWINCH
+ − 1002 /* It is possible that a size change occurred while we were
+ − 1003 suspended. Assume one did just to be safe. It won't hurt
+ − 1004 anything if one didn't. */
+ − 1005 asynch_device_change_pending++;
+ − 1006 #endif
+ − 1007
+ − 1008 /* Call value of suspend-resume-hook
+ − 1009 if it is bound and value is non-nil. */
+ − 1010 run_hook (Qsuspend_resume_hook);
+ − 1011
+ − 1012 UNGCPRO;
+ − 1013 return Qnil;
+ − 1014 }
+ − 1015
+ − 1016 /* If STUFFSTRING is a string, stuff its contents as pending terminal input.
+ − 1017 Then in any case stuff anything Emacs has read ahead and not used. */
+ − 1018
+ − 1019 void
+ − 1020 stuff_buffered_input (Lisp_Object stuffstring)
+ − 1021 {
+ − 1022 /* stuff_char works only in BSD, versions 4.2 and up. */
+ − 1023 #if defined (BSD)
+ − 1024 if (!CONSOLEP (Vcontrolling_terminal) ||
+ − 1025 !CONSOLE_LIVE_P (XCONSOLE (Vcontrolling_terminal)))
+ − 1026 return;
+ − 1027
+ − 1028 if (STRINGP (stuffstring))
+ − 1029 {
665
+ − 1030 Bytecount count;
428
+ − 1031 Extbyte *p;
+ − 1032
440
+ − 1033 TO_EXTERNAL_FORMAT (LISP_STRING, stuffstring,
+ − 1034 ALLOCA, (p, count),
+ − 1035 Qkeyboard);
428
+ − 1036 while (count-- > 0)
+ − 1037 stuff_char (XCONSOLE (Vcontrolling_terminal), *p++);
+ − 1038 stuff_char (XCONSOLE (Vcontrolling_terminal), '\n');
+ − 1039 }
+ − 1040 /* Anything we have read ahead, put back for the shell to read. */
+ − 1041 # if 0 /* oh, who cares about this silliness */
+ − 1042 while (kbd_fetch_ptr != kbd_store_ptr)
+ − 1043 {
+ − 1044 if (kbd_fetch_ptr == kbd_buffer + KBD_BUFFER_SIZE)
+ − 1045 kbd_fetch_ptr = kbd_buffer;
+ − 1046 stuff_char (XCONSOLE (Vcontrolling_terminal), *kbd_fetch_ptr++);
+ − 1047 }
+ − 1048 # endif
+ − 1049 #endif /* BSD */
+ − 1050 }
+ − 1051
+ − 1052 DEFUN ("suspend-console", Fsuspend_console, 0, 1, "", /*
+ − 1053 Suspend a console. For tty consoles, it sends a signal to suspend
+ − 1054 the process in charge of the tty, and removes the devices and
+ − 1055 frames of that console from the display.
+ − 1056
+ − 1057 If optional arg CONSOLE is non-nil, it is the console to be suspended.
+ − 1058 Otherwise it is assumed to be the selected console.
+ − 1059
+ − 1060 Some operating systems cannot stop processes and resume them later.
+ − 1061 On such systems, who knows what will happen.
+ − 1062 */
+ − 1063 (console))
+ − 1064 {
+ − 1065 #ifdef HAVE_TTY
+ − 1066 struct console *con = decode_console (console);
+ − 1067
+ − 1068 if (CONSOLE_TTY_P (con))
+ − 1069 {
+ − 1070 /*
+ − 1071 * hide all the unhidden frames so the display code won't update
+ − 1072 * them while the console is suspended.
+ − 1073 */
+ − 1074 Lisp_Object device = CONSOLE_SELECTED_DEVICE (con);
+ − 1075 if (!NILP (device))
+ − 1076 {
+ − 1077 struct device *d = XDEVICE (device);
+ − 1078 Lisp_Object frame_list = DEVICE_FRAME_LIST (d);
+ − 1079 while (CONSP (frame_list))
+ − 1080 {
+ − 1081 struct frame *f = XFRAME (XCAR (frame_list));
+ − 1082 if (FRAME_REPAINT_P (f))
+ − 1083 f->visible = -1;
+ − 1084 frame_list = XCDR (frame_list);
+ − 1085 }
+ − 1086 }
+ − 1087 reset_one_console (con);
+ − 1088 event_stream_unselect_console (con);
+ − 1089 sys_suspend_process (XINT (Fconsole_tty_controlling_process (console)));
+ − 1090 }
+ − 1091 #endif /* HAVE_TTY */
+ − 1092
+ − 1093 return Qnil;
+ − 1094 }
+ − 1095
+ − 1096 DEFUN ("resume-console", Fresume_console, 1, 1, "", /*
+ − 1097 Re-initialize a previously suspended console.
+ − 1098 For tty consoles, do stuff to the tty to make it sane again.
+ − 1099 */
+ − 1100 (console))
+ − 1101 {
+ − 1102 #ifdef HAVE_TTY
+ − 1103 struct console *con = decode_console (console);
+ − 1104
+ − 1105 if (CONSOLE_TTY_P (con))
+ − 1106 {
+ − 1107 /* raise the selected frame */
+ − 1108 Lisp_Object device = CONSOLE_SELECTED_DEVICE (con);
+ − 1109 if (!NILP (device))
+ − 1110 {
+ − 1111 struct device *d = XDEVICE (device);
+ − 1112 Lisp_Object frame = DEVICE_SELECTED_FRAME (d);
+ − 1113 if (!NILP (frame))
+ − 1114 {
+ − 1115 /* force the frame to be cleared */
+ − 1116 SET_FRAME_CLEAR (XFRAME (frame));
+ − 1117 Fraise_frame (frame);
+ − 1118 }
+ − 1119 }
+ − 1120 init_one_console (con);
+ − 1121 event_stream_select_console (con);
+ − 1122 #ifdef SIGWINCH
+ − 1123 /* The same as in Fsuspend_emacs: it is possible that a size
+ − 1124 change occurred while we were suspended. Assume one did just
+ − 1125 to be safe. It won't hurt anything if one didn't. */
+ − 1126 asynch_device_change_pending++;
+ − 1127 #endif
+ − 1128 }
+ − 1129 #endif /* HAVE_TTY */
+ − 1130
+ − 1131 return Qnil;
+ − 1132 }
+ − 1133
+ − 1134 DEFUN ("set-input-mode", Fset_input_mode, 3, 5, 0, /*
+ − 1135 Set mode of reading keyboard input.
+ − 1136 First arg is ignored, for backward compatibility.
+ − 1137 Second arg FLOW non-nil means use ^S/^Q flow control for output to terminal
+ − 1138 (no effect except in CBREAK mode).
+ − 1139 Third arg META t means accept 8-bit input (for a Meta key).
+ − 1140 META nil means ignore the top bit, on the assumption it is parity.
+ − 1141 Otherwise, accept 8-bit input and don't use the top bit for Meta.
+ − 1142 First three arguments only apply to TTY consoles.
+ − 1143 Optional fourth arg QUIT if non-nil specifies character to use for quitting.
+ − 1144 Optional fifth arg CONSOLE specifies console to make changes to; nil means
+ − 1145 the selected console.
+ − 1146 See also `current-input-mode'.
+ − 1147 */
+ − 1148 (ignored, flow, meta, quit, console))
+ − 1149 {
+ − 1150 struct console *con = decode_console (console);
+ − 1151 int meta_key = (!CONSOLE_TTY_P (con) ? 1 :
+ − 1152 EQ (meta, Qnil) ? 0 :
+ − 1153 EQ (meta, Qt) ? 1 :
+ − 1154 2);
+ − 1155
+ − 1156 if (!NILP (quit))
+ − 1157 {
+ − 1158 CHECK_CHAR_COERCE_INT (quit);
+ − 1159 CONSOLE_QUIT_CHAR (con) =
+ − 1160 ((unsigned int) XCHAR (quit)) & (meta_key ? 0377 : 0177);
+ − 1161 }
+ − 1162
+ − 1163 #ifdef HAVE_TTY
+ − 1164 if (CONSOLE_TTY_P (con))
+ − 1165 {
+ − 1166 reset_one_console (con);
+ − 1167 TTY_FLAGS (con).flow_control = !NILP (flow);
+ − 1168 TTY_FLAGS (con).meta_key = meta_key;
+ − 1169 init_one_console (con);
444
+ − 1170 MARK_FRAME_CHANGED (XFRAME (CONSOLE_SELECTED_FRAME (con)));
428
+ − 1171 }
+ − 1172 #endif
+ − 1173
+ − 1174 return Qnil;
+ − 1175 }
+ − 1176
+ − 1177 DEFUN ("current-input-mode", Fcurrent_input_mode, 0, 1, 0, /*
+ − 1178 Return information about the way Emacs currently reads keyboard input.
+ − 1179 Optional arg CONSOLE specifies console to return information about; nil means
+ − 1180 the selected console.
+ − 1181 The value is a list of the form (nil FLOW META QUIT), where
+ − 1182 FLOW is non-nil if Emacs uses ^S/^Q flow control for output to the
+ − 1183 terminal; this does not apply if Emacs uses interrupt-driven input.
+ − 1184 META is t if accepting 8-bit input with 8th bit as Meta flag.
+ − 1185 META nil means ignoring the top bit, on the assumption it is parity.
+ − 1186 META is neither t nor nil if accepting 8-bit input and using
+ − 1187 all 8 bits as the character code.
+ − 1188 QUIT is the character Emacs currently uses to quit.
+ − 1189 FLOW, and META are only meaningful for TTY consoles.
+ − 1190 The elements of this list correspond to the arguments of
+ − 1191 `set-input-mode'.
+ − 1192 */
+ − 1193 (console))
+ − 1194 {
+ − 1195 struct console *con = decode_console (console);
+ − 1196 Lisp_Object flow, meta, quit;
+ − 1197
+ − 1198 #ifdef HAVE_TTY
+ − 1199 flow = CONSOLE_TTY_P (con) && TTY_FLAGS (con).flow_control ? Qt : Qnil;
+ − 1200 meta = (!CONSOLE_TTY_P (con) ? Qt :
+ − 1201 TTY_FLAGS (con).meta_key == 1 ? Qt :
+ − 1202 TTY_FLAGS (con).meta_key == 2 ? Qzero :
+ − 1203 Qnil);
+ − 1204 #else
+ − 1205 flow = Qnil;
+ − 1206 meta = Qt;
+ − 1207 #endif
+ − 1208 quit = make_char (CONSOLE_QUIT_CHAR (con));
+ − 1209
+ − 1210 return list4 (Qnil, flow, meta, quit);
+ − 1211 }
+ − 1212
+ − 1213
+ − 1214 /************************************************************************/
+ − 1215 /* initialization */
+ − 1216 /************************************************************************/
+ − 1217
+ − 1218 void
+ − 1219 syms_of_console (void)
+ − 1220 {
442
+ − 1221 INIT_LRECORD_IMPLEMENTATION (console);
+ − 1222
428
+ − 1223 DEFSUBR (Fvalid_console_type_p);
+ − 1224 DEFSUBR (Fconsole_type_list);
+ − 1225 DEFSUBR (Fcdfw_console);
+ − 1226 DEFSUBR (Fselected_console);
+ − 1227 DEFSUBR (Fselect_console);
+ − 1228 DEFSUBR (Fconsolep);
+ − 1229 DEFSUBR (Fconsole_live_p);
+ − 1230 DEFSUBR (Fconsole_type);
+ − 1231 DEFSUBR (Fconsole_name);
+ − 1232 DEFSUBR (Fconsole_connection);
+ − 1233 DEFSUBR (Ffind_console);
+ − 1234 DEFSUBR (Fget_console);
+ − 1235 DEFSUBR (Fdelete_console);
+ − 1236 DEFSUBR (Fconsole_list);
+ − 1237 DEFSUBR (Fconsole_device_list);
+ − 1238 DEFSUBR (Fconsole_enable_input);
+ − 1239 DEFSUBR (Fconsole_disable_input);
+ − 1240 DEFSUBR (Fconsole_on_window_system_p);
+ − 1241 DEFSUBR (Fsuspend_console);
+ − 1242 DEFSUBR (Fresume_console);
+ − 1243
+ − 1244 DEFSUBR (Fsuspend_emacs);
+ − 1245 DEFSUBR (Fset_input_mode);
+ − 1246 DEFSUBR (Fcurrent_input_mode);
+ − 1247
563
+ − 1248 DEFSYMBOL (Qconsolep);
+ − 1249 DEFSYMBOL (Qconsole_live_p);
428
+ − 1250
563
+ − 1251 DEFSYMBOL (Qcreate_console_hook);
+ − 1252 DEFSYMBOL (Qdelete_console_hook);
428
+ − 1253
563
+ − 1254 DEFSYMBOL (Qsuspend_hook);
+ − 1255 DEFSYMBOL (Qsuspend_resume_hook);
428
+ − 1256 }
+ − 1257
+ − 1258 static const struct lrecord_description cte_description_1[] = {
440
+ − 1259 { XD_LISP_OBJECT, offsetof (console_type_entry, symbol) },
+ − 1260 { XD_STRUCT_PTR, offsetof (console_type_entry, meths), 1, &console_methods_description },
428
+ − 1261 { XD_END }
+ − 1262 };
+ − 1263
+ − 1264 static const struct struct_description cte_description = {
440
+ − 1265 sizeof (console_type_entry),
428
+ − 1266 cte_description_1
+ − 1267 };
+ − 1268
+ − 1269 static const struct lrecord_description cted_description_1[] = {
440
+ − 1270 XD_DYNARR_DESC (console_type_entry_dynarr, &cte_description),
428
+ − 1271 { XD_END }
+ − 1272 };
+ − 1273
+ − 1274 const struct struct_description cted_description = {
440
+ − 1275 sizeof (console_type_entry_dynarr),
428
+ − 1276 cted_description_1
+ − 1277 };
+ − 1278
+ − 1279 static const struct lrecord_description console_methods_description_1[] = {
440
+ − 1280 { XD_LISP_OBJECT, offsetof (struct console_methods, symbol) },
+ − 1281 { XD_LISP_OBJECT, offsetof (struct console_methods, predicate_symbol) },
+ − 1282 { XD_LISP_OBJECT, offsetof (struct console_methods, image_conversion_list) },
428
+ − 1283 { XD_END }
+ − 1284 };
+ − 1285
+ − 1286 const struct struct_description console_methods_description = {
440
+ − 1287 sizeof (struct console_methods),
428
+ − 1288 console_methods_description_1
+ − 1289 };
+ − 1290
+ − 1291
+ − 1292 void
+ − 1293 console_type_create (void)
+ − 1294 {
+ − 1295 the_console_type_entry_dynarr = Dynarr_new (console_type_entry);
452
+ − 1296 dump_add_root_struct_ptr (&the_console_type_entry_dynarr, &cted_description);
428
+ − 1297
+ − 1298 Vconsole_type_list = Qnil;
+ − 1299 staticpro (&Vconsole_type_list);
+ − 1300
+ − 1301 /* Initialize the dead console type */
+ − 1302 INITIALIZE_CONSOLE_TYPE (dead, "dead", "console-dead-p");
+ − 1303
+ − 1304 /* then reset the console-type lists, because `dead' is not really
+ − 1305 a valid console type */
+ − 1306 Dynarr_reset (the_console_type_entry_dynarr);
+ − 1307 Vconsole_type_list = Qnil;
+ − 1308 }
+ − 1309
+ − 1310 void
+ − 1311 reinit_vars_of_console (void)
+ − 1312 {
+ − 1313 staticpro_nodump (&Vconsole_list);
+ − 1314 Vconsole_list = Qnil;
+ − 1315 staticpro_nodump (&Vselected_console);
+ − 1316 Vselected_console = Qnil;
+ − 1317 }
+ − 1318
+ − 1319 void
+ − 1320 vars_of_console (void)
+ − 1321 {
+ − 1322 reinit_vars_of_console ();
+ − 1323
+ − 1324 DEFVAR_LISP ("create-console-hook", &Vcreate_console_hook /*
+ − 1325 Function or functions to call when a console is created.
+ − 1326 One argument, the newly-created console.
+ − 1327 This is called after the first frame has been created, but before
+ − 1328 calling the `create-device-hook' or `create-frame-hook'.
+ − 1329 Note that in general the console will not be selected.
+ − 1330 */ );
+ − 1331 Vcreate_console_hook = Qnil;
+ − 1332
+ − 1333 DEFVAR_LISP ("delete-console-hook", &Vdelete_console_hook /*
+ − 1334 Function or functions to call when a console is deleted.
+ − 1335 One argument, the to-be-deleted console.
+ − 1336 */ );
+ − 1337 Vdelete_console_hook = Qnil;
+ − 1338
+ − 1339 #ifdef HAVE_WINDOW_SYSTEM
+ − 1340 Fprovide (intern ("window-system"));
+ − 1341 #endif
+ − 1342 }
+ − 1343
643
+ − 1344 /* The docstrings for DEFVAR_* are recorded externally by make-docfile. */
617
+ − 1345 #define DEFVAR_CONSOLE_LOCAL_1(lname, field_name, forward_type, magicfun) \
+ − 1346 do { \
+ − 1347 static const struct symbol_value_forward I_hate_C = \
+ − 1348 { /* struct symbol_value_forward */ \
+ − 1349 { /* struct symbol_value_magic */ \
+ − 1350 { /* struct lcrecord_header */ \
+ − 1351 { /* struct lrecord_header */ \
+ − 1352 lrecord_type_symbol_value_forward, /* lrecord_type_index */ \
+ − 1353 1, /* mark bit */ \
+ − 1354 1, /* c_readonly bit */ \
+ − 1355 1 /* lisp_readonly bit */ \
+ − 1356 }, \
+ − 1357 0, /* next */ \
+ − 1358 0, /* uid */ \
+ − 1359 0 /* free */ \
+ − 1360 }, \
+ − 1361 &(console_local_flags.field_name), \
+ − 1362 forward_type \
+ − 1363 }, \
+ − 1364 magicfun \
+ − 1365 }; \
+ − 1366 \
+ − 1367 { \
+ − 1368 int offset = ((char *)symbol_value_forward_forward (&I_hate_C) \
+ − 1369 - (char *)&console_local_flags); \
+ − 1370 \
+ − 1371 defvar_magic (lname, &I_hate_C); \
+ − 1372 \
+ − 1373 *((Lisp_Object *)(offset + (char *)XCONSOLE (Vconsole_local_symbols))) \
+ − 1374 = intern (lname); \
+ − 1375 } \
428
+ − 1376 } while (0)
+ − 1377
+ − 1378 #define DEFVAR_CONSOLE_LOCAL_MAGIC(lname, field_name, magicfun) \
+ − 1379 DEFVAR_CONSOLE_LOCAL_1 (lname, field_name, \
+ − 1380 SYMVAL_SELECTED_CONSOLE_FORWARD, magicfun)
+ − 1381 #define DEFVAR_CONSOLE_LOCAL(lname, field_name) \
+ − 1382 DEFVAR_CONSOLE_LOCAL_MAGIC (lname, field_name, 0)
+ − 1383 #define DEFVAR_CONST_CONSOLE_LOCAL_MAGIC(lname, field_name, magicfun) \
+ − 1384 DEFVAR_CONSOLE_LOCAL_1 (lname, field_name, \
+ − 1385 SYMVAL_CONST_SELECTED_CONSOLE_FORWARD, magicfun)
+ − 1386 #define DEFVAR_CONST_CONSOLE_LOCAL(lname, field_name) \
+ − 1387 DEFVAR_CONST_CONSOLE_LOCAL_MAGIC (lname, field_name, 0)
+ − 1388
+ − 1389 #define DEFVAR_CONSOLE_DEFAULTS_MAGIC(lname, field_name, magicfun) \
+ − 1390 DEFVAR_SYMVAL_FWD(lname, &(console_local_flags.field_name), \
+ − 1391 SYMVAL_DEFAULT_CONSOLE_FORWARD, magicfun)
+ − 1392 #define DEFVAR_CONSOLE_DEFAULTS(lname, field_name) \
+ − 1393 DEFVAR_CONSOLE_DEFAULTS_MAGIC (lname, field_name, 0)
+ − 1394
+ − 1395 static void
+ − 1396 common_init_complex_vars_of_console (void)
+ − 1397 {
+ − 1398 /* Make sure all markable slots in console_defaults
+ − 1399 are initialized reasonably, so mark_console won't choke.
+ − 1400 */
+ − 1401 struct console *defs = alloc_lcrecord_type (struct console, &lrecord_console);
+ − 1402 struct console *syms = alloc_lcrecord_type (struct console, &lrecord_console);
+ − 1403
+ − 1404 staticpro_nodump (&Vconsole_defaults);
+ − 1405 staticpro_nodump (&Vconsole_local_symbols);
793
+ − 1406 Vconsole_defaults = wrap_console (defs);
+ − 1407 Vconsole_local_symbols = wrap_console (syms);
428
+ − 1408
+ − 1409 nuke_all_console_slots (syms, Qnil);
+ − 1410 nuke_all_console_slots (defs, Qnil);
+ − 1411
+ − 1412 /* Set up the non-nil default values of various console slots.
+ − 1413 Must do these before making the first console.
+ − 1414 */
+ − 1415 /* #### Anything needed here? */
+ − 1416
+ − 1417 {
+ − 1418 /* 0 means var is always local. Default used only at creation.
+ − 1419 * -1 means var is always local. Default used only at reset and
+ − 1420 * creation.
+ − 1421 * -2 means there's no lisp variable corresponding to this slot
+ − 1422 * and the default is only used at creation.
+ − 1423 * -3 means no Lisp variable. Default used only at reset and creation.
+ − 1424 * >0 is mask. Var is local if ((console->local_var_flags & mask) != 0)
+ − 1425 * Otherwise default is used.
+ − 1426 *
+ − 1427 * #### We don't currently ever reset console variables, so there
+ − 1428 * is no current distinction between 0 and -1, and between -2 and -3.
+ − 1429 */
+ − 1430 Lisp_Object always_local_resettable = make_int (-1);
+ − 1431
+ − 1432 #if 0 /* not used */
+ − 1433 Lisp_Object always_local_no_default = make_int (0);
+ − 1434 Lisp_Object resettable = make_int (-3);
+ − 1435 #endif
+ − 1436
+ − 1437 /* Assign the local-flags to the slots that have default values.
+ − 1438 The local flag is a bit that is used in the console
+ − 1439 to say that it has its own local value for the slot.
+ − 1440 The local flag bits are in the local_var_flags slot of the
+ − 1441 console. */
+ − 1442
+ − 1443 nuke_all_console_slots (&console_local_flags, make_int (-2));
+ − 1444 console_local_flags.defining_kbd_macro = always_local_resettable;
+ − 1445 console_local_flags.last_kbd_macro = always_local_resettable;
+ − 1446 console_local_flags.prefix_arg = always_local_resettable;
+ − 1447 console_local_flags.default_minibuffer_frame = always_local_resettable;
+ − 1448 console_local_flags.overriding_terminal_local_map =
+ − 1449 always_local_resettable;
+ − 1450 #ifdef HAVE_TTY
+ − 1451 console_local_flags.tty_erase_char = always_local_resettable;
+ − 1452 #endif
+ − 1453
+ − 1454 console_local_flags.function_key_map = make_int (1);
+ − 1455
+ − 1456 /* #### Warning, 0x4000000 (that's six zeroes) is the largest number
+ − 1457 currently allowable due to the XINT() handling of this value.
+ − 1458 With some rearrangement you can get 4 more bits. */
+ − 1459 }
+ − 1460 }
+ − 1461
+ − 1462
+ − 1463 #define CONSOLE_SLOTS_SIZE (offsetof (struct console, CONSOLE_SLOTS_LAST_NAME) - offsetof (struct console, CONSOLE_SLOTS_FIRST_NAME) + sizeof (Lisp_Object))
+ − 1464 #define CONSOLE_SLOTS_COUNT (CONSOLE_SLOTS_SIZE / sizeof (Lisp_Object))
+ − 1465
+ − 1466 void
771
+ − 1467 reinit_complex_vars_of_console_runtime_only (void)
428
+ − 1468 {
+ − 1469 struct console *defs, *syms;
+ − 1470
+ − 1471 common_init_complex_vars_of_console ();
+ − 1472
+ − 1473 defs = XCONSOLE (Vconsole_defaults);
+ − 1474 syms = XCONSOLE (Vconsole_local_symbols);
+ − 1475 memcpy (&defs->CONSOLE_SLOTS_FIRST_NAME,
+ − 1476 console_defaults_saved_slots,
+ − 1477 CONSOLE_SLOTS_SIZE);
+ − 1478 memcpy (&syms->CONSOLE_SLOTS_FIRST_NAME,
+ − 1479 console_local_symbols_saved_slots,
+ − 1480 CONSOLE_SLOTS_SIZE);
+ − 1481 }
+ − 1482
+ − 1483
+ − 1484 static const struct lrecord_description console_slots_description_1[] = {
440
+ − 1485 { XD_LISP_OBJECT_ARRAY, 0, CONSOLE_SLOTS_COUNT },
428
+ − 1486 { XD_END }
+ − 1487 };
+ − 1488
+ − 1489 static const struct struct_description console_slots_description = {
+ − 1490 CONSOLE_SLOTS_SIZE,
+ − 1491 console_slots_description_1
+ − 1492 };
+ − 1493
+ − 1494 void
+ − 1495 complex_vars_of_console (void)
+ − 1496 {
+ − 1497 struct console *defs, *syms;
+ − 1498
+ − 1499 common_init_complex_vars_of_console ();
+ − 1500
+ − 1501 defs = XCONSOLE (Vconsole_defaults);
+ − 1502 syms = XCONSOLE (Vconsole_local_symbols);
+ − 1503 console_defaults_saved_slots = &defs->CONSOLE_SLOTS_FIRST_NAME;
+ − 1504 console_local_symbols_saved_slots = &syms->CONSOLE_SLOTS_FIRST_NAME;
452
+ − 1505 dump_add_root_struct_ptr (&console_defaults_saved_slots, &console_slots_description);
+ − 1506 dump_add_root_struct_ptr (&console_local_symbols_saved_slots, &console_slots_description);
428
+ − 1507
+ − 1508 DEFVAR_CONSOLE_DEFAULTS ("default-function-key-map", function_key_map /*
+ − 1509 Default value of `function-key-map' for consoles that don't override it.
+ − 1510 This is the same as (default-value 'function-key-map).
+ − 1511 */ );
+ − 1512
+ − 1513 DEFVAR_CONSOLE_LOCAL ("function-key-map", function_key_map /*
+ − 1514 Keymap mapping ASCII function key sequences onto their preferred forms.
+ − 1515 This allows Emacs to recognize function keys sent from ASCII
+ − 1516 terminals at any point in a key sequence.
+ − 1517
+ − 1518 The `read-key-sequence' function replaces any subsequence bound by
+ − 1519 `function-key-map' with its binding. More precisely, when the active
+ − 1520 keymaps have no binding for the current key sequence but
+ − 1521 `function-key-map' binds a suffix of the sequence to a vector or string,
+ − 1522 `read-key-sequence' replaces the matching suffix with its binding, and
+ − 1523 continues with the new sequence.
+ − 1524
+ − 1525 The events that come from bindings in `function-key-map' are not
+ − 1526 themselves looked up in `function-key-map'.
+ − 1527
+ − 1528 For example, suppose `function-key-map' binds `ESC O P' to [f1].
+ − 1529 Typing `ESC O P' to `read-key-sequence' would return
+ − 1530 \[#<keypress-event f1>]. Typing `C-x ESC O P' would return
+ − 1531 \[#<keypress-event control-X> #<keypress-event f1>]. If [f1]
+ − 1532 were a prefix key, typing `ESC O P x' would return
+ − 1533 \[#<keypress-event f1> #<keypress-event x>].
+ − 1534 */ );
+ − 1535
+ − 1536 #ifdef HAVE_TTY
440
+ − 1537 /* #### Should this somehow go to TTY data? How do we make it
428
+ − 1538 accessible from Lisp, then? */
+ − 1539 DEFVAR_CONSOLE_LOCAL ("tty-erase-char", tty_erase_char /*
+ − 1540 The ERASE character as set by the user with stty.
+ − 1541 When this value cannot be determined or would be meaningless (on non-TTY
+ − 1542 consoles, for example), it is set to nil.
+ − 1543 */ );
+ − 1544 #endif
+ − 1545
442
+ − 1546 /* While this should be const it can't be because some things
428
+ − 1547 (i.e. edebug) do manipulate it. */
+ − 1548 DEFVAR_CONSOLE_LOCAL ("defining-kbd-macro", defining_kbd_macro /*
442
+ − 1549 Non-nil while a keyboard macro is being defined. Don't set this!
428
+ − 1550 */ );
+ − 1551
+ − 1552 DEFVAR_CONSOLE_LOCAL ("last-kbd-macro", last_kbd_macro /*
442
+ − 1553 Last keyboard macro defined, as a vector of events; nil if none defined.
428
+ − 1554 */ );
+ − 1555
+ − 1556 DEFVAR_CONSOLE_LOCAL ("prefix-arg", prefix_arg /*
+ − 1557 The value of the prefix argument for the next editing command.
+ − 1558 It may be a number, or the symbol `-' for just a minus sign as arg,
+ − 1559 or a list whose car is a number for just one or more C-U's
+ − 1560 or nil if no argument has been specified.
+ − 1561
+ − 1562 You cannot examine this variable to find the argument for this command
+ − 1563 since it has been set to nil by the time you can look.
+ − 1564 Instead, you should use the variable `current-prefix-arg', although
+ − 1565 normally commands can get this prefix argument with (interactive "P").
+ − 1566 */ );
+ − 1567
+ − 1568 DEFVAR_CONSOLE_LOCAL ("default-minibuffer-frame",
+ − 1569 default_minibuffer_frame /*
+ − 1570 Minibufferless frames use this frame's minibuffer.
+ − 1571
+ − 1572 Emacs cannot create minibufferless frames unless this is set to an
+ − 1573 appropriate surrogate.
+ − 1574
+ − 1575 XEmacs consults this variable only when creating minibufferless
+ − 1576 frames; once the frame is created, it sticks with its assigned
+ − 1577 minibuffer, no matter what this variable is set to. This means that
+ − 1578 this variable doesn't necessarily say anything meaningful about the
+ − 1579 current set of frames, or where the minibuffer is currently being
+ − 1580 displayed.
+ − 1581 */ );
+ − 1582
+ − 1583 DEFVAR_CONSOLE_LOCAL ("overriding-terminal-local-map",
+ − 1584 overriding_terminal_local_map /*
+ − 1585 Keymap that overrides all other local keymaps, for the selected console only.
+ − 1586 If this variable is non-nil, it is used as a keymap instead of the
+ − 1587 buffer's local map, and the minor mode keymaps and text property keymaps.
+ − 1588 */ );
+ − 1589
+ − 1590 /* Check for DEFVAR_CONSOLE_LOCAL without initializing the corresponding
+ − 1591 slot of console_local_flags and vice-versa. Must be done after all
+ − 1592 DEFVAR_CONSOLE_LOCAL() calls. */
+ − 1593 #define MARKED_SLOT(slot) \
+ − 1594 if ((XINT (console_local_flags.slot) != -2 && \
+ − 1595 XINT (console_local_flags.slot) != -3) \
+ − 1596 != !(NILP (XCONSOLE (Vconsole_local_symbols)->slot))) \
+ − 1597 abort ()
+ − 1598 #include "conslots.h"
+ − 1599 }
