Mercurial > hg > xemacs-beta
annotate src/console.c @ 5086:47bcef7b0b44
Print multiple values with #<INTERNAL OBJECT (XEmacs bug?) ...>, too
2010-03-02 Aidan Kehoe <kehoea@parhasard.net>
* eval.c (print_multiple_value):
Say #<INTERNAL OBJECT (XEmacs bug?) ...> when printing these, for
consistency with the rest of the print code.
| author | Aidan Kehoe <kehoea@parhasard.net> |
|---|---|
| date | Tue, 02 Mar 2010 13:20:51 +0000 |
| parents | 92dc90c0bb40 |
| children | 2a462149bd6a |
| rev | line source |
|---|---|
| 428 | 1 /* The console object. |
| 2 Copyright (C) 1992, 1993, 1994 Free Software Foundation, Inc. | |
| 5046 | 3 Copyright (C) 1996, 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 | |
| 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 | |
| 1204 | 41 #include "console-stream-impl.h" |
| 872 | 42 #ifdef HAVE_TTY |
| 43 #include "console-tty-impl.h" | |
| 44 #endif | |
| 800 | 45 |
| 428 | 46 Lisp_Object Vconsole_list, Vselected_console; |
| 47 | |
| 48 Lisp_Object Vcreate_console_hook, Vdelete_console_hook; | |
| 49 | |
| 50 Lisp_Object Qconsolep, Qconsole_live_p; | |
| 51 Lisp_Object Qcreate_console_hook; | |
| 52 Lisp_Object Qdelete_console_hook; | |
| 53 | |
| 54 Lisp_Object Qsuspend_hook; | |
| 55 Lisp_Object Qsuspend_resume_hook; | |
| 56 | |
| 57 /* This structure holds the default values of the console-local | |
| 58 variables defined with DEFVAR_CONSOLE_LOCAL, that have special | |
| 59 slots in each console. The default value occupies the same slot | |
| 60 in this structure as an individual console's value occupies in | |
| 61 that console. Setting the default value also goes through the | |
| 62 list of consoles and stores into each console that does not say | |
| 63 it has a local value. */ | |
| 64 Lisp_Object Vconsole_defaults; | |
| 65 static void *console_defaults_saved_slots; | |
| 66 | |
| 67 /* This structure marks which slots in a console have corresponding | |
| 68 default values in console_defaults. | |
| 69 Each such slot has a nonzero value in this structure. | |
| 70 The value has only one nonzero bit. | |
| 71 | |
| 72 When a console has its own local value for a slot, | |
| 73 the bit for that slot (found in the same slot in this structure) | |
| 74 is turned on in the console's local_var_flags slot. | |
| 75 | |
| 76 If a slot in this structure is 0, then there is a DEFVAR_CONSOLE_LOCAL | |
| 77 for the slot, but there is no default value for it; the corresponding | |
| 78 slot in console_defaults is not used except to initialize newly-created | |
| 79 consoles. | |
| 80 | |
| 81 If a slot is -1, then there is a DEFVAR_CONSOLE_LOCAL for it | |
| 82 as well as a default value which is used to initialize newly-created | |
| 83 consoles and as a reset-value when local-vars are killed. | |
| 84 | |
| 85 If a slot is -2, there is no DEFVAR_CONSOLE_LOCAL for it. | |
| 86 (The slot is always local, but there's no lisp variable for it.) | |
| 87 The default value is only used to initialize newly-creation consoles. | |
| 88 | |
| 89 If a slot is -3, then there is no DEFVAR_CONSOLE_LOCAL for it but | |
| 90 there is a default which is used to initialize newly-creation | |
| 91 consoles and as a reset-value when local-vars are killed. | |
| 92 | |
| 93 | |
| 94 */ | |
| 95 struct console console_local_flags; | |
| 96 | |
| 97 /* This structure holds the names of symbols whose values may be | |
| 98 console-local. It is indexed and accessed in the same way as the above. */ | |
| 99 static Lisp_Object Vconsole_local_symbols; | |
| 100 static void *console_local_symbols_saved_slots; | |
| 101 | |
| 102 DEFINE_CONSOLE_TYPE (dead); | |
| 103 | |
| 104 Lisp_Object Vconsole_type_list; | |
| 105 | |
| 106 console_type_entry_dynarr *the_console_type_entry_dynarr; | |
| 107 | |
| 108 | |
| 934 | 109 |
| 1204 | 110 static const struct memory_description console_data_description_1 []= { |
| 111 #ifdef HAVE_TTY | |
| 3092 | 112 #ifdef NEW_GC |
| 113 { XD_LISP_OBJECT, tty_console }, | |
| 114 #else /* not NEW_GC */ | |
| 2551 | 115 { XD_BLOCK_PTR, tty_console, 1, { &tty_console_data_description} }, |
| 3092 | 116 #endif /* not NEW_GC */ |
| 1204 | 117 #endif |
| 3092 | 118 #ifdef NEW_GC |
| 119 { XD_LISP_OBJECT, stream_console }, | |
| 120 #else /* not NEW_GC */ | |
| 2551 | 121 { XD_BLOCK_PTR, stream_console, 1, { &stream_console_data_description} }, |
| 3092 | 122 #endif /* not NEW_GC */ |
| 934 | 123 { XD_END } |
| 124 }; | |
| 125 | |
| 1204 | 126 static const struct sized_memory_description console_data_description = { |
| 127 sizeof (void *), console_data_description_1 | |
| 934 | 128 }; |
| 129 | |
| 1204 | 130 static const struct memory_description console_description [] = { |
| 934 | 131 { XD_INT, offsetof (struct console, contype) }, |
| 1204 | 132 #define MARKED_SLOT(x) { XD_LISP_OBJECT, offsetof (struct console, x) }, |
| 133 #include "conslots.h" | |
| 2367 | 134 { XD_BLOCK_PTR, offsetof (struct console, conmeths), 1, |
| 2551 | 135 { &console_methods_description } }, |
| 934 | 136 { XD_UNION, offsetof (struct console, console_data), |
| 2551 | 137 XD_INDIRECT (0, 0), { &console_data_description } }, |
| 934 | 138 { XD_END } |
| 139 }; | |
| 140 | |
| 428 | 141 static Lisp_Object |
| 142 mark_console (Lisp_Object obj) | |
| 143 { | |
| 144 struct console *con = XCONSOLE (obj); | |
| 145 | |
| 1204 | 146 #define MARKED_SLOT(x) mark_object (con->x); |
| 428 | 147 #include "conslots.h" |
| 148 | |
| 149 /* Can be zero for Vconsole_defaults, Vconsole_local_symbols */ | |
| 150 if (con->conmeths) | |
| 151 { | |
| 152 mark_object (con->conmeths->symbol); | |
| 153 MAYBE_CONMETH (con, mark_console, (con)); | |
| 154 } | |
| 155 | |
| 156 return Qnil; | |
| 157 } | |
| 158 | |
| 159 static void | |
| 2286 | 160 print_console (Lisp_Object obj, Lisp_Object printcharfun, |
| 161 int UNUSED (escapeflag)) | |
| 428 | 162 { |
| 163 struct console *con = XCONSOLE (obj); | |
| 164 | |
| 165 if (print_readably) | |
| 4846 | 166 printing_unreadable_lcrecord (obj, XSTRING_DATA (con->name)); |
| 428 | 167 |
| 800 | 168 write_fmt_string (printcharfun, "#<%s-console", |
| 169 !CONSOLE_LIVE_P (con) ? "dead" : CONSOLE_TYPE_NAME (con)); | |
| 440 | 170 if (CONSOLE_LIVE_P (con) && !NILP (CONSOLE_CONNECTION (con))) |
| 800 | 171 write_fmt_string_lisp (printcharfun, " on %S", 1, |
| 172 CONSOLE_CONNECTION (con)); | |
| 173 write_fmt_string (printcharfun, " 0x%x>", con->header.uid); | |
| 428 | 174 } |
| 175 | |
| 934 | 176 DEFINE_LRECORD_IMPLEMENTATION ("console", console, |
| 177 0, /*dumpable-flag*/ | |
| 178 mark_console, print_console, 0, 0, 0, | |
| 179 console_description, | |
| 180 struct console); | |
| 428 | 181 |
| 1204 | 182 |
| 183 static void | |
| 184 set_quit_events (struct console *con, Lisp_Object key) | |
| 185 { | |
| 186 /* Make sure to run Fcharacter_to_event() *BEFORE* setting QUIT_CHAR, | |
| 187 so that nothing is changed when invalid values trigger an error! */ | |
| 188 con->quit_event = Fcharacter_to_event (key, Qnil, wrap_console (con), Qnil); | |
| 189 con->quit_char = key; | |
| 190 con->critical_quit_event = Fcopy_event (con->quit_event, Qnil); | |
| 191 upshift_event (con->critical_quit_event); | |
| 192 } | |
| 193 | |
| 428 | 194 static struct console * |
| 1204 | 195 allocate_console (Lisp_Object type) |
| 428 | 196 { |
| 197 Lisp_Object console; | |
| 3017 | 198 struct console *con = ALLOC_LCRECORD_TYPE (struct console, &lrecord_console); |
| 428 | 199 struct gcpro gcpro1; |
| 200 | |
| 3017 | 201 COPY_LCRECORD (con, XCONSOLE (Vconsole_defaults)); |
| 428 | 202 |
| 793 | 203 console = wrap_console (con); |
| 428 | 204 GCPRO1 (console); |
| 205 | |
| 1204 | 206 con->conmeths = decode_console_type (type, ERROR_ME); |
| 207 con->contype = get_console_variant (type); | |
| 771 | 208 con->command_builder = allocate_command_builder (console, 1); |
| 428 | 209 con->function_key_map = Fmake_sparse_keymap (Qnil); |
| 1204 | 210 set_quit_events (con, make_char (7)); /* C-g */ |
| 428 | 211 |
| 212 UNGCPRO; | |
| 213 return con; | |
| 214 } | |
| 215 | |
| 216 struct console * | |
| 217 decode_console (Lisp_Object console) | |
| 218 { | |
| 219 if (NILP (console)) | |
| 220 console = Fselected_console (); | |
| 221 /* quietly accept devices and frames for the console arg */ | |
| 222 if (DEVICEP (console) || FRAMEP (console)) | |
| 223 console = DEVICE_CONSOLE (decode_device (console)); | |
| 224 CHECK_LIVE_CONSOLE (console); | |
| 225 return XCONSOLE (console); | |
| 226 } | |
| 227 | |
| 228 | |
| 229 struct console_methods * | |
| 578 | 230 decode_console_type (Lisp_Object type, Error_Behavior errb) |
| 428 | 231 { |
| 232 int i; | |
| 233 | |
| 234 for (i = 0; i < Dynarr_length (the_console_type_entry_dynarr); i++) | |
| 235 if (EQ (type, Dynarr_at (the_console_type_entry_dynarr, i).symbol)) | |
| 236 return Dynarr_at (the_console_type_entry_dynarr, i).meths; | |
| 237 | |
| 563 | 238 maybe_invalid_constant ("Invalid console type", type, Qconsole, errb); |
| 428 | 239 |
| 240 return 0; | |
| 241 } | |
| 242 | |
| 934 | 243 enum console_variant |
| 244 get_console_variant (Lisp_Object type) | |
| 245 { | |
| 246 if (EQ (type, Qtty)) | |
| 1204 | 247 return tty_console; |
| 934 | 248 |
| 249 if (EQ (type, Qgtk)) | |
| 1204 | 250 return gtk_console; |
| 934 | 251 |
| 252 if (EQ (type, Qx)) | |
| 1204 | 253 return x_console; |
| 934 | 254 |
| 255 if (EQ (type, Qmswindows)) | |
| 1204 | 256 return mswindows_console; |
| 934 | 257 |
| 1346 | 258 if (EQ (type, Qmsprinter)) |
| 259 return msprinter_console; | |
| 260 | |
| 934 | 261 if (EQ (type, Qstream)) |
| 1204 | 262 return stream_console; |
| 934 | 263 |
| 2500 | 264 ABORT (); /* should never happen */ |
| 934 | 265 return dead_console; |
| 266 } | |
| 267 | |
| 428 | 268 int |
| 269 valid_console_type_p (Lisp_Object type) | |
| 270 { | |
| 271 return decode_console_type (type, ERROR_ME_NOT) != 0; | |
| 272 } | |
| 273 | |
| 274 DEFUN ("valid-console-type-p", Fvalid_console_type_p, 1, 1, 0, /* | |
| 444 | 275 Return t if CONSOLE-TYPE is a valid console type. |
| 3025 | 276 Valid types are `x', `tty', `mswindows', `msprinter', `gtk', and `stream'. |
| 428 | 277 */ |
| 278 (console_type)) | |
| 279 { | |
| 280 return valid_console_type_p (console_type) ? Qt : Qnil; | |
| 281 } | |
| 282 | |
| 283 DEFUN ("console-type-list", Fconsole_type_list, 0, 0, 0, /* | |
| 284 Return a list of valid console types. | |
| 285 */ | |
| 286 ()) | |
| 287 { | |
| 288 return Fcopy_sequence (Vconsole_type_list); | |
| 289 } | |
| 290 | |
| 291 DEFUN ("cdfw-console", Fcdfw_console, 1, 1, 0, /* | |
| 292 Given a console, device, frame, or window, return the associated console. | |
| 293 Return nil otherwise. | |
| 294 */ | |
| 444 | 295 (object)) |
| 428 | 296 { |
| 444 | 297 return CDFW_CONSOLE (object); |
| 428 | 298 } |
| 299 | |
| 872 | 300 int |
| 301 console_live_p (struct console *c) | |
| 302 { | |
| 303 return CONSOLE_LIVE_P (c); | |
| 304 } | |
| 305 | |
| 306 Lisp_Object | |
| 307 console_device_list (struct console *c) | |
| 308 { | |
| 309 return CONSOLE_DEVICE_LIST (c); | |
| 310 } | |
| 311 | |
| 428 | 312 |
| 313 DEFUN ("selected-console", Fselected_console, 0, 0, 0, /* | |
| 314 Return the console which is currently active. | |
| 315 */ | |
| 316 ()) | |
| 317 { | |
| 318 return Vselected_console; | |
| 319 } | |
| 320 | |
| 321 /* Called from selected_device_1(), called from selected_frame_1(), | |
| 322 called from Fselect_window() */ | |
| 323 void | |
| 324 select_console_1 (Lisp_Object console) | |
| 325 { | |
| 326 /* perhaps this should do something more complicated */ | |
| 327 Vselected_console = console; | |
| 328 | |
| 329 /* #### Schedule this to be removed in 19.14 */ | |
| 330 #ifdef HAVE_X_WINDOWS | |
| 331 if (CONSOLE_X_P (XCONSOLE (console))) | |
| 332 Vwindow_system = Qx; | |
| 333 else | |
| 334 #endif | |
| 462 | 335 #ifdef HAVE_GTK |
| 336 if (CONSOLE_GTK_P (XCONSOLE (console))) | |
| 337 Vwindow_system = Qgtk; | |
| 338 else | |
| 339 #endif | |
| 428 | 340 #ifdef HAVE_MS_WINDOWS |
| 341 if (CONSOLE_MSWINDOWS_P (XCONSOLE (console))) | |
| 342 Vwindow_system = Qmswindows; | |
| 343 else | |
| 344 #endif | |
| 345 Vwindow_system = Qnil; | |
| 346 } | |
| 347 | |
| 348 DEFUN ("select-console", Fselect_console, 1, 1, 0, /* | |
| 349 Select the console CONSOLE. | |
| 350 Subsequent editing commands apply to its selected device, selected frame, | |
| 351 and selected window. The selection of CONSOLE lasts until the next time | |
| 352 the user does something to select a different console, or until the next | |
| 353 time this function is called. | |
| 354 */ | |
| 355 (console)) | |
| 356 { | |
| 357 Lisp_Object device; | |
| 358 | |
| 359 CHECK_LIVE_CONSOLE (console); | |
| 360 | |
| 361 device = CONSOLE_SELECTED_DEVICE (XCONSOLE (console)); | |
| 362 if (!NILP (device)) | |
| 363 { | |
| 364 struct device *d = XDEVICE (device); | |
| 365 Lisp_Object frame = DEVICE_SELECTED_FRAME (d); | |
| 366 if (!NILP (frame)) | |
| 367 { | |
| 368 struct frame *f = XFRAME(frame); | |
| 369 Fselect_window (FRAME_SELECTED_WINDOW (f), Qnil); | |
| 370 } | |
| 371 else | |
| 563 | 372 invalid_operation ("Can't select console with no frames", Qunbound); |
| 428 | 373 } |
| 374 else | |
| 563 | 375 invalid_operation ("Can't select a console with no devices", Qunbound); |
| 428 | 376 return Qnil; |
| 377 } | |
| 378 | |
| 379 void | |
| 380 set_console_last_nonminibuf_frame (struct console *con, | |
| 381 Lisp_Object frame) | |
| 382 { | |
| 383 con->last_nonminibuf_frame = frame; | |
| 384 } | |
| 385 | |
| 386 DEFUN ("consolep", Fconsolep, 1, 1, 0, /* | |
| 387 Return non-nil if OBJECT is a console. | |
| 388 */ | |
| 389 (object)) | |
| 390 { | |
| 391 return CONSOLEP (object) ? Qt : Qnil; | |
| 392 } | |
| 393 | |
| 394 DEFUN ("console-live-p", Fconsole_live_p, 1, 1, 0, /* | |
| 395 Return non-nil if OBJECT is a console that has not been deleted. | |
| 396 */ | |
| 397 (object)) | |
| 398 { | |
| 399 return CONSOLEP (object) && CONSOLE_LIVE_P (XCONSOLE (object)) ? Qt : Qnil; | |
| 400 } | |
| 401 | |
| 402 DEFUN ("console-type", Fconsole_type, 0, 1, 0, /* | |
| 444 | 403 Return the console type (e.g. `x' or `tty') of CONSOLE. |
| 1346 | 404 Value is |
| 405 `tty' for a tty console (a character-only terminal), | |
| 428 | 406 `x' for a console that is an X display, |
| 1346 | 407 `mswindows' for a console that is an MS Windows connection, |
| 408 `msprinter' for a console that is an MS Windows printer connection, | |
| 409 `gtk' for a console that is a GTK connection, | |
| 428 | 410 `stream' for a stream console (which acts like a stdio stream), and |
| 411 `dead' for a deleted console. | |
| 412 */ | |
| 413 (console)) | |
| 414 { | |
| 415 /* don't call decode_console() because we want to allow for dead | |
| 416 consoles. */ | |
| 417 if (NILP (console)) | |
| 418 console = Fselected_console (); | |
| 419 CHECK_CONSOLE (console); | |
| 420 return CONSOLE_TYPE (XCONSOLE (console)); | |
| 421 } | |
| 422 | |
| 423 DEFUN ("console-name", Fconsole_name, 0, 1, 0, /* | |
| 444 | 424 Return the name of CONSOLE. |
| 428 | 425 */ |
| 426 (console)) | |
| 427 { | |
| 428 return CONSOLE_NAME (decode_console (console)); | |
| 429 } | |
| 430 | |
| 431 DEFUN ("console-connection", Fconsole_connection, 0, 1, 0, /* | |
| 432 Return the connection of the specified console. | |
| 433 CONSOLE defaults to the selected console if omitted. | |
| 434 */ | |
| 435 (console)) | |
| 436 { | |
| 437 return CONSOLE_CONNECTION (decode_console (console)); | |
| 438 } | |
| 439 | |
| 440 static Lisp_Object | |
| 441 semi_canonicalize_console_connection (struct console_methods *meths, | |
| 578 | 442 Lisp_Object name, Error_Behavior errb) |
| 428 | 443 { |
| 440 | 444 if (HAS_CONTYPE_METH_P (meths, semi_canonicalize_console_connection)) |
| 445 return CONTYPE_METH (meths, semi_canonicalize_console_connection, | |
| 446 (name, errb)); | |
| 447 else | |
| 448 return CONTYPE_METH_OR_GIVEN (meths, canonicalize_console_connection, | |
| 449 (name, errb), name); | |
| 428 | 450 } |
| 451 | |
| 452 static Lisp_Object | |
| 453 canonicalize_console_connection (struct console_methods *meths, | |
| 578 | 454 Lisp_Object name, Error_Behavior errb) |
| 428 | 455 { |
| 440 | 456 if (HAS_CONTYPE_METH_P (meths, canonicalize_console_connection)) |
| 457 return CONTYPE_METH (meths, canonicalize_console_connection, | |
| 458 (name, errb)); | |
| 459 else | |
| 460 return CONTYPE_METH_OR_GIVEN (meths, semi_canonicalize_console_connection, | |
| 461 (name, errb), name); | |
| 428 | 462 } |
| 463 | |
| 464 static Lisp_Object | |
| 465 find_console_of_type (struct console_methods *meths, Lisp_Object canon) | |
| 466 { | |
| 467 Lisp_Object concons; | |
| 468 | |
| 469 CONSOLE_LOOP (concons) | |
| 470 { | |
| 471 Lisp_Object console = XCAR (concons); | |
| 472 | |
| 473 if (EQ (CONMETH_TYPE (meths), CONSOLE_TYPE (XCONSOLE (console))) | |
| 474 && internal_equal (CONSOLE_CANON_CONNECTION (XCONSOLE (console)), | |
| 475 canon, 0)) | |
| 476 return console; | |
| 477 } | |
| 478 | |
| 479 return Qnil; | |
| 480 } | |
| 481 | |
| 482 DEFUN ("find-console", Ffind_console, 1, 2, 0, /* | |
| 483 Look for an existing console attached to connection CONNECTION. | |
| 484 Return the console if found; otherwise, return nil. | |
| 485 | |
| 486 If TYPE is specified, only return consoles of that type; otherwise, | |
| 487 return consoles of any type. (It is possible, although unlikely, | |
| 488 that two consoles of different types could have the same connection | |
| 489 name; in such a case, the first console found is returned.) | |
| 490 */ | |
| 491 (connection, type)) | |
| 492 { | |
| 493 Lisp_Object canon = Qnil; | |
| 494 struct gcpro gcpro1; | |
| 495 | |
| 496 GCPRO1 (canon); | |
| 497 | |
| 498 if (!NILP (type)) | |
| 499 { | |
| 500 struct console_methods *conmeths = decode_console_type (type, ERROR_ME); | |
| 501 canon = canonicalize_console_connection (conmeths, connection, | |
| 502 ERROR_ME_NOT); | |
| 503 if (UNBOUNDP (canon)) | |
| 504 RETURN_UNGCPRO (Qnil); | |
| 505 | |
| 506 RETURN_UNGCPRO (find_console_of_type (conmeths, canon)); | |
| 507 } | |
| 508 else | |
| 509 { | |
| 510 int i; | |
| 511 | |
| 512 for (i = 0; i < Dynarr_length (the_console_type_entry_dynarr); i++) | |
| 513 { | |
| 514 struct console_methods *conmeths = | |
| 515 Dynarr_at (the_console_type_entry_dynarr, i).meths; | |
| 516 canon = canonicalize_console_connection (conmeths, connection, | |
| 517 ERROR_ME_NOT); | |
| 518 if (!UNBOUNDP (canon)) | |
| 519 { | |
| 520 Lisp_Object console = find_console_of_type (conmeths, canon); | |
| 521 if (!NILP (console)) | |
| 522 RETURN_UNGCPRO (console); | |
| 523 } | |
| 524 } | |
| 525 | |
| 526 RETURN_UNGCPRO (Qnil); | |
| 527 } | |
| 528 } | |
| 529 | |
| 530 DEFUN ("get-console", Fget_console, 1, 2, 0, /* | |
| 531 Look for an existing console attached to connection CONNECTION. | |
| 532 Return the console if found; otherwise, signal an error. | |
| 533 | |
| 534 If TYPE is specified, only return consoles of that type; otherwise, | |
| 535 return consoles of any type. (It is possible, although unlikely, | |
| 536 that two consoles of different types could have the same connection | |
| 537 name; in such a case, the first console found is returned.) | |
| 538 */ | |
| 539 (connection, type)) | |
| 540 { | |
| 541 Lisp_Object console = Ffind_console (connection, type); | |
| 542 if (NILP (console)) | |
| 543 { | |
| 544 if (NILP (type)) | |
| 563 | 545 invalid_argument ("No such console", connection); |
| 428 | 546 else |
| 563 | 547 invalid_argument_2 ("No such console", type, connection); |
| 428 | 548 } |
| 549 return console; | |
| 550 } | |
| 551 | |
| 552 Lisp_Object | |
| 553 create_console (Lisp_Object name, Lisp_Object type, Lisp_Object connection, | |
| 554 Lisp_Object props) | |
| 555 { | |
| 556 /* This function can GC */ | |
| 557 struct console *con; | |
| 558 Lisp_Object console; | |
| 559 struct gcpro gcpro1; | |
| 560 | |
| 561 console = Ffind_console (connection, type); | |
| 562 if (!NILP (console)) | |
| 563 return console; | |
| 564 | |
| 1204 | 565 con = allocate_console (type); |
| 793 | 566 console = wrap_console (con); |
| 428 | 567 |
| 568 GCPRO1 (console); | |
| 569 | |
| 570 CONSOLE_NAME (con) = name; | |
| 571 CONSOLE_CONNECTION (con) = | |
| 572 semi_canonicalize_console_connection (con->conmeths, connection, | |
| 573 ERROR_ME); | |
| 574 CONSOLE_CANON_CONNECTION (con) = | |
| 575 canonicalize_console_connection (con->conmeths, connection, | |
| 576 ERROR_ME); | |
| 577 | |
| 578 MAYBE_CONMETH (con, init_console, (con, props)); | |
| 579 | |
| 580 /* Do it this way so that the console list is in order of creation */ | |
| 581 Vconsole_list = nconc2 (Vconsole_list, Fcons (console, Qnil)); | |
| 853 | 582 note_object_created (console); |
| 428 | 583 |
| 440 | 584 if (CONMETH_OR_GIVEN (con, initially_selected_for_input, (con), 0)) |
| 428 | 585 event_stream_select_console (con); |
| 586 | |
| 587 UNGCPRO; | |
| 588 return console; | |
| 589 } | |
| 590 | |
| 591 void | |
| 592 add_entry_to_console_type_list (Lisp_Object symbol, | |
| 593 struct console_methods *meths) | |
| 594 { | |
| 595 struct console_type_entry entry; | |
| 596 | |
| 597 entry.symbol = symbol; | |
| 598 entry.meths = meths; | |
| 599 Dynarr_add (the_console_type_entry_dynarr, entry); | |
| 600 Vconsole_type_list = Fcons (symbol, Vconsole_type_list); | |
| 601 } | |
| 602 | |
| 603 /* find a console other than the selected one. Prefer non-stream | |
| 604 consoles over stream consoles. */ | |
| 605 | |
| 606 static Lisp_Object | |
| 607 find_other_console (Lisp_Object console) | |
| 608 { | |
| 609 Lisp_Object concons; | |
| 610 | |
| 611 /* look for a non-stream console */ | |
| 612 CONSOLE_LOOP (concons) | |
| 613 { | |
| 614 Lisp_Object con = XCAR (concons); | |
| 615 if (!CONSOLE_STREAM_P (XCONSOLE (con)) | |
| 616 && !EQ (con, console) | |
| 617 && !NILP (CONSOLE_SELECTED_DEVICE (XCONSOLE (con))) | |
| 618 && !NILP (DEVICE_SELECTED_FRAME | |
| 619 (XDEVICE (CONSOLE_SELECTED_DEVICE (XCONSOLE (con)))))) | |
| 620 break; | |
| 621 } | |
| 622 if (!NILP (concons)) | |
| 623 return XCAR (concons); | |
| 624 | |
| 625 /* OK, now look for a stream console */ | |
| 626 CONSOLE_LOOP (concons) | |
| 627 { | |
| 628 Lisp_Object con = XCAR (concons); | |
| 629 if (!EQ (con, console) | |
| 630 && !NILP (CONSOLE_SELECTED_DEVICE (XCONSOLE (con))) | |
| 631 && !NILP (DEVICE_SELECTED_FRAME | |
| 632 (XDEVICE (CONSOLE_SELECTED_DEVICE (XCONSOLE (con)))))) | |
| 633 break; | |
| 634 } | |
| 635 if (!NILP (concons)) | |
| 636 return XCAR (concons); | |
| 637 | |
| 638 /* Sorry, there ain't none */ | |
| 639 return Qnil; | |
| 640 } | |
| 641 | |
| 642 static int | |
| 643 find_nonminibuffer_frame_not_on_console_predicate (Lisp_Object frame, | |
| 644 void *closure) | |
| 645 { | |
| 646 Lisp_Object console; | |
| 647 | |
| 5013 | 648 console = GET_LISP_FROM_VOID (closure); |
| 428 | 649 if (FRAME_MINIBUF_ONLY_P (XFRAME (frame))) |
| 650 return 0; | |
| 651 if (EQ (console, FRAME_CONSOLE (XFRAME (frame)))) | |
| 652 return 0; | |
| 653 return 1; | |
| 654 } | |
| 655 | |
| 656 static Lisp_Object | |
| 657 find_nonminibuffer_frame_not_on_console (Lisp_Object console) | |
| 658 { | |
| 659 return find_some_frame (find_nonminibuffer_frame_not_on_console_predicate, | |
| 5013 | 660 STORE_LISP_IN_VOID (console)); |
| 428 | 661 } |
| 662 | |
| 617 | 663 static void |
| 664 nuke_all_console_slots (struct console *con, Lisp_Object zap) | |
| 665 { | |
| 3017 | 666 ZERO_LCRECORD (con); |
| 617 | 667 |
| 1204 | 668 #define MARKED_SLOT(x) con->x = zap; |
| 617 | 669 #include "conslots.h" |
| 670 } | |
| 671 | |
| 428 | 672 /* Delete console CON. |
| 673 | |
| 674 If FORCE is non-zero, allow deletion of the only frame. | |
| 675 | |
| 676 If CALLED_FROM_KILL_EMACS is non-zero, then, if | |
| 677 deleting the last console, just delete it, | |
| 678 instead of calling `save-buffers-kill-emacs'. | |
| 679 | |
| 680 If FROM_IO_ERROR is non-zero, then the console is gone due | |
| 681 to an I/O error. This affects what happens if we exit | |
| 682 (we do an emergency exit instead of `save-buffers-kill-emacs'.) | |
| 683 */ | |
| 684 | |
| 685 void | |
| 686 delete_console_internal (struct console *con, int force, | |
| 687 int called_from_kill_emacs, int from_io_error) | |
| 688 { | |
| 689 /* This function can GC */ | |
| 690 Lisp_Object console; | |
| 691 struct gcpro gcpro1; | |
| 692 | |
| 693 /* OK to delete an already-deleted console. */ | |
| 694 if (!CONSOLE_LIVE_P (con)) | |
| 695 return; | |
| 696 | |
| 793 | 697 console = wrap_console (con); |
| 853 | 698 |
| 699 if (!force) | |
| 700 check_allowed_operation (OPERATION_DELETE_OBJECT, console, Qnil); | |
| 701 | |
| 428 | 702 GCPRO1 (console); |
| 703 | |
| 704 if (!called_from_kill_emacs) | |
| 705 { | |
| 706 int down_we_go = 0; | |
| 707 | |
| 708 if ((XINT (Flength (Vconsole_list)) == 1) | |
| 709 /* if we just created the console, it might not be listed, | |
| 710 or something ... */ | |
| 711 && !NILP (memq_no_quit (console, Vconsole_list))) | |
| 712 down_we_go = 1; | |
| 713 /* If there aren't any nonminibuffer frames that would | |
| 714 be left, then exit. */ | |
| 715 else if (NILP (find_nonminibuffer_frame_not_on_console (console))) | |
| 716 down_we_go = 1; | |
| 717 | |
| 718 if (down_we_go) | |
| 719 { | |
| 720 if (!force) | |
| 563 | 721 invalid_operation ("Attempt to delete the only frame", Qunbound); |
| 428 | 722 else if (from_io_error) |
| 723 { | |
| 724 /* Mayday mayday! We're going down! */ | |
| 725 stderr_out (" Autosaving and exiting...\n"); | |
| 726 Vwindow_system = Qnil; /* let it lie! */ | |
| 727 preparing_for_armageddon = 1; | |
| 728 Fkill_emacs (make_int (70)); | |
| 729 } | |
| 730 else | |
| 731 { | |
| 732 call0 (Qsave_buffers_kill_emacs); | |
| 733 UNGCPRO; | |
| 734 /* If we get here, the user said they didn't want | |
| 735 to exit, so don't. */ | |
| 736 return; | |
| 737 } | |
| 738 } | |
| 739 } | |
| 740 | |
| 741 /* Breathe a sigh of relief. We're still alive. */ | |
| 742 | |
| 743 { | |
| 744 Lisp_Object frmcons, devcons; | |
| 745 | |
| 746 /* First delete all frames without their own minibuffers, | |
| 747 to avoid errors coming from attempting to delete a frame | |
| 748 that is a surrogate for another frame. | |
| 749 | |
| 750 We don't set "called_from_delete_console" because we want the | |
| 751 device to go ahead and get deleted if we delete the last frame | |
| 752 on a device. We won't run into trouble here because for any | |
| 753 frame without a minibuffer, there has to be another one on | |
| 754 the same console with a minibuffer, and we're not deleting that, | |
| 755 so delete_console_internal() won't get recursively called. | |
| 756 | |
| 757 WRONG! With surrogate minibuffers this isn't true. Frames | |
| 758 with only a minibuffer are not enough to prevent | |
| 759 delete_frame_internal from triggering a device deletion. */ | |
| 760 CONSOLE_FRAME_LOOP_NO_BREAK (frmcons, devcons, con) | |
| 761 { | |
| 762 struct frame *f = XFRAME (XCAR (frmcons)); | |
| 763 /* delete_frame_internal() might do anything such as run hooks, | |
| 764 so be defensive. */ | |
| 765 if (FRAME_LIVE_P (f) && !FRAME_HAS_MINIBUF_P (f)) | |
| 766 delete_frame_internal (f, 1, 1, from_io_error); | |
| 767 | |
| 768 if (!CONSOLE_LIVE_P (con)) /* make sure the delete-*-hook didn't | |
| 769 go ahead and delete anything */ | |
| 770 { | |
| 771 UNGCPRO; | |
| 772 return; | |
| 773 } | |
| 774 } | |
| 775 | |
| 776 CONSOLE_DEVICE_LOOP (devcons, con) | |
| 777 { | |
| 778 struct device *d = XDEVICE (XCAR (devcons)); | |
| 779 /* delete_device_internal() might do anything such as run hooks, | |
| 780 so be defensive. */ | |
| 781 if (DEVICE_LIVE_P (d)) | |
| 782 delete_device_internal (d, 1, 1, from_io_error); | |
| 783 if (!CONSOLE_LIVE_P (con)) /* make sure the delete-*-hook didn't | |
| 784 go ahead and delete anything */ | |
| 785 { | |
| 786 UNGCPRO; | |
| 787 return; | |
| 788 } | |
| 789 } | |
| 790 } | |
| 791 | |
| 792 CONSOLE_SELECTED_DEVICE (con) = Qnil; | |
| 793 | |
| 794 /* try to select another console */ | |
| 795 | |
| 796 if (EQ (console, Fselected_console ())) | |
| 797 { | |
| 798 Lisp_Object other_dev = find_other_console (console); | |
| 799 if (!NILP (other_dev)) | |
| 800 Fselect_console (other_dev); | |
| 801 else | |
| 802 { | |
| 803 /* necessary? */ | |
| 804 Vselected_console = Qnil; | |
| 805 Vwindow_system = Qnil; | |
| 806 } | |
| 807 } | |
| 808 | |
| 809 if (con->input_enabled) | |
| 810 event_stream_unselect_console (con); | |
| 811 | |
| 812 MAYBE_CONMETH (con, delete_console, (con)); | |
| 813 | |
| 814 Vconsole_list = delq_no_quit (console, Vconsole_list); | |
| 617 | 815 |
| 428 | 816 RESET_CHANGED_SET_FLAGS; |
| 617 | 817 |
| 818 /* Nobody should be accessing anything in this object any more, and | |
| 819 making all Lisp_Objects Qnil allows for better GC'ing in case a | |
| 820 pointer to the dead console continues to hang around. Zero all | |
| 821 other structs in case someone tries to access something through | |
| 822 them. */ | |
| 823 nuke_all_console_slots (con, Qnil); | |
| 428 | 824 con->conmeths = dead_console_methods; |
| 1204 | 825 con->contype = dead_console; |
| 853 | 826 note_object_deleted (console); |
| 428 | 827 |
| 828 UNGCPRO; | |
| 829 } | |
| 830 | |
| 831 void | |
| 832 io_error_delete_console (Lisp_Object console) | |
| 833 { | |
| 834 delete_console_internal (XCONSOLE (console), 1, 0, 1); | |
| 835 } | |
| 836 | |
| 837 DEFUN ("delete-console", Fdelete_console, 1, 2, 0, /* | |
| 838 Delete CONSOLE, permanently eliminating it from use. | |
| 839 Normally, you cannot delete the last non-minibuffer-only frame (you must | |
| 840 use `save-buffers-kill-emacs' or `kill-emacs'). However, if optional | |
| 841 second argument FORCE is non-nil, you can delete the last frame. (This | |
| 842 will automatically call `save-buffers-kill-emacs'.) | |
| 843 */ | |
| 844 (console, force)) | |
| 845 { | |
| 846 CHECK_CONSOLE (console); | |
| 847 delete_console_internal (XCONSOLE (console), !NILP (force), 0, 0); | |
| 848 return Qnil; | |
| 849 } | |
| 850 | |
| 851 DEFUN ("console-list", Fconsole_list, 0, 0, 0, /* | |
| 852 Return a list of all consoles. | |
| 853 */ | |
| 854 ()) | |
| 855 { | |
| 856 return Fcopy_sequence (Vconsole_list); | |
| 857 } | |
| 858 | |
| 859 DEFUN ("console-device-list", Fconsole_device_list, 0, 1, 0, /* | |
| 860 Return a list of all devices on CONSOLE. | |
| 444 | 861 If CONSOLE is nil, the selected console is used. |
| 428 | 862 */ |
| 863 (console)) | |
| 864 { | |
| 865 return Fcopy_sequence (CONSOLE_DEVICE_LIST (decode_console (console))); | |
| 866 } | |
| 867 | |
| 868 DEFUN ("console-enable-input", Fconsole_enable_input, 1, 1, 0, /* | |
| 869 Enable input on console CONSOLE. | |
| 870 */ | |
| 871 (console)) | |
| 872 { | |
| 873 struct console *con = decode_console (console); | |
| 874 if (!con->input_enabled) | |
| 875 event_stream_select_console (con); | |
| 876 return Qnil; | |
| 877 } | |
| 878 | |
| 879 DEFUN ("console-disable-input", Fconsole_disable_input, 1, 1, 0, /* | |
| 880 Disable input on console CONSOLE. | |
| 881 */ | |
| 882 (console)) | |
| 883 { | |
| 884 struct console *con = decode_console (console); | |
| 885 if (con->input_enabled) | |
| 886 event_stream_unselect_console (con); | |
| 887 return Qnil; | |
| 888 } | |
| 889 | |
| 890 DEFUN ("console-on-window-system-p", Fconsole_on_window_system_p, 0, 1, 0, /* | |
| 444 | 891 Return t if CONSOLE is on a window system. |
| 892 If CONSOLE is nil, the selected console is used. | |
| 428 | 893 This generally means that there is support for the mouse, the menubar, |
| 894 the toolbar, glyphs, etc. | |
| 895 */ | |
| 896 (console)) | |
| 897 { | |
| 898 Lisp_Object type = CONSOLE_TYPE (decode_console (console)); | |
| 899 | |
| 900 return !EQ (type, Qtty) && !EQ (type, Qstream) ? Qt : Qnil; | |
| 901 } | |
| 902 | |
| 903 | |
| 904 | |
| 905 /**********************************************************************/ | |
| 906 /* Miscellaneous low-level functions */ | |
| 907 /**********************************************************************/ | |
| 908 | |
| 909 static Lisp_Object | |
| 910 unwind_init_sys_modes (Lisp_Object console) | |
| 911 { | |
| 912 reinit_initial_console (); | |
| 913 | |
| 914 if (!no_redraw_on_reenter && | |
| 915 CONSOLEP (console) && | |
| 916 CONSOLE_LIVE_P (XCONSOLE (console))) | |
| 917 { | |
| 918 struct frame *f = | |
| 919 XFRAME (DEVICE_SELECTED_FRAME | |
| 920 (XDEVICE (CONSOLE_SELECTED_DEVICE (XCONSOLE (console))))); | |
| 921 MARK_FRAME_CHANGED (f); | |
| 922 } | |
| 923 return Qnil; | |
| 924 } | |
| 925 | |
| 926 DEFUN ("suspend-emacs", Fsuspend_emacs, 0, 1, "", /* | |
| 927 Stop Emacs and return to superior process. You can resume later. | |
| 928 On systems that don't have job control, run a subshell instead. | |
| 929 | |
| 930 If optional arg STUFFSTRING is non-nil, its characters are stuffed | |
| 931 to be read as terminal input by Emacs's superior shell. | |
| 932 | |
| 933 Before suspending, run the normal hook `suspend-hook'. | |
| 934 After resumption run the normal hook `suspend-resume-hook'. | |
| 935 | |
| 936 Some operating systems cannot stop the Emacs process and resume it later. | |
| 937 On such systems, Emacs will start a subshell and wait for it to exit. | |
| 938 */ | |
| 939 (stuffstring)) | |
| 940 { | |
| 941 int speccount = specpdl_depth (); | |
| 942 struct gcpro gcpro1; | |
| 943 | |
| 944 if (!NILP (stuffstring)) | |
| 945 CHECK_STRING (stuffstring); | |
| 946 GCPRO1 (stuffstring); | |
| 947 | |
| 948 /* There used to be a check that the initial console is TTY. | |
| 949 This is bogus. Even checking to see whether any console | |
| 950 is a controlling terminal is not correct -- maybe | |
| 951 the user used the -t option or something. If we want to | |
| 952 suspend, then we suspend. Period. */ | |
| 953 | |
| 954 /* Call value of suspend-hook. */ | |
| 955 run_hook (Qsuspend_hook); | |
| 956 | |
| 957 reset_initial_console (); | |
| 958 /* sys_suspend can get an error if it tries to fork a subshell | |
| 959 and the system resources aren't available for that. */ | |
| 960 record_unwind_protect (unwind_init_sys_modes, Vcontrolling_terminal); | |
| 961 stuff_buffered_input (stuffstring); | |
| 962 sys_suspend (); | |
| 963 /* the console is un-reset inside of the unwind-protect. */ | |
| 771 | 964 unbind_to (speccount); |
| 428 | 965 |
| 966 #ifdef SIGWINCH | |
| 967 /* It is possible that a size change occurred while we were | |
| 968 suspended. Assume one did just to be safe. It won't hurt | |
| 969 anything if one didn't. */ | |
| 970 asynch_device_change_pending++; | |
| 971 #endif | |
| 972 | |
| 973 /* Call value of suspend-resume-hook | |
| 974 if it is bound and value is non-nil. */ | |
| 975 run_hook (Qsuspend_resume_hook); | |
| 976 | |
| 977 UNGCPRO; | |
| 978 return Qnil; | |
| 979 } | |
| 980 | |
| 981 /* If STUFFSTRING is a string, stuff its contents as pending terminal input. | |
| 982 Then in any case stuff anything Emacs has read ahead and not used. */ | |
| 983 | |
| 984 void | |
| 2286 | 985 stuff_buffered_input ( |
| 3146 | 986 #if defined(BSD) && defined(HAVE_TTY) |
| 2286 | 987 Lisp_Object stuffstring |
| 988 #else | |
| 989 Lisp_Object UNUSED (stuffstring) | |
| 990 #endif | |
| 991 ) | |
| 428 | 992 { |
| 993 /* stuff_char works only in BSD, versions 4.2 and up. */ | |
| 3146 | 994 #if defined(BSD) && defined(HAVE_TTY) |
| 428 | 995 if (!CONSOLEP (Vcontrolling_terminal) || |
| 996 !CONSOLE_LIVE_P (XCONSOLE (Vcontrolling_terminal))) | |
| 997 return; | |
| 998 | |
| 999 if (STRINGP (stuffstring)) | |
| 1000 { | |
| 665 | 1001 Bytecount count; |
| 428 | 1002 Extbyte *p; |
| 1003 | |
|
4981
4aebb0131297
Cleanups/renaming of EXTERNAL_TO_C_STRING and friends
Ben Wing <ben@xemacs.org>
parents:
4846
diff
changeset
|
1004 LISP_STRING_TO_SIZED_EXTERNAL (stuffstring, p, count, Qkeyboard); |
| 428 | 1005 while (count-- > 0) |
| 1006 stuff_char (XCONSOLE (Vcontrolling_terminal), *p++); | |
| 1007 stuff_char (XCONSOLE (Vcontrolling_terminal), '\n'); | |
| 1008 } | |
| 1009 /* Anything we have read ahead, put back for the shell to read. */ | |
| 1010 # if 0 /* oh, who cares about this silliness */ | |
| 1011 while (kbd_fetch_ptr != kbd_store_ptr) | |
| 1012 { | |
| 1013 if (kbd_fetch_ptr == kbd_buffer + KBD_BUFFER_SIZE) | |
| 1014 kbd_fetch_ptr = kbd_buffer; | |
| 1015 stuff_char (XCONSOLE (Vcontrolling_terminal), *kbd_fetch_ptr++); | |
| 1016 } | |
| 1017 # endif | |
| 3146 | 1018 #endif /* BSD && HAVE_TTY */ |
| 428 | 1019 } |
| 1020 | |
| 1021 DEFUN ("suspend-console", Fsuspend_console, 0, 1, "", /* | |
| 1022 Suspend a console. For tty consoles, it sends a signal to suspend | |
| 1023 the process in charge of the tty, and removes the devices and | |
| 1024 frames of that console from the display. | |
| 1025 | |
| 1026 If optional arg CONSOLE is non-nil, it is the console to be suspended. | |
| 1027 Otherwise it is assumed to be the selected console. | |
| 1028 | |
| 1029 Some operating systems cannot stop processes and resume them later. | |
| 1030 On such systems, who knows what will happen. | |
| 1031 */ | |
| 2340 | 1032 (USED_IF_TTY (console))) |
| 428 | 1033 { |
| 1034 #ifdef HAVE_TTY | |
| 1035 struct console *con = decode_console (console); | |
| 1036 | |
| 1037 if (CONSOLE_TTY_P (con)) | |
| 1038 { | |
| 1039 /* | |
| 1040 * hide all the unhidden frames so the display code won't update | |
| 1041 * them while the console is suspended. | |
| 1042 */ | |
| 1043 Lisp_Object device = CONSOLE_SELECTED_DEVICE (con); | |
| 1044 if (!NILP (device)) | |
| 1045 { | |
| 1046 struct device *d = XDEVICE (device); | |
| 1047 Lisp_Object frame_list = DEVICE_FRAME_LIST (d); | |
| 1048 while (CONSP (frame_list)) | |
| 1049 { | |
| 1050 struct frame *f = XFRAME (XCAR (frame_list)); | |
| 1051 if (FRAME_REPAINT_P (f)) | |
| 1052 f->visible = -1; | |
| 1053 frame_list = XCDR (frame_list); | |
| 1054 } | |
| 1055 } | |
| 1056 reset_one_console (con); | |
| 1057 event_stream_unselect_console (con); | |
| 1058 sys_suspend_process (XINT (Fconsole_tty_controlling_process (console))); | |
| 1059 } | |
| 1060 #endif /* HAVE_TTY */ | |
| 1061 | |
| 1062 return Qnil; | |
| 1063 } | |
| 1064 | |
| 1065 DEFUN ("resume-console", Fresume_console, 1, 1, "", /* | |
| 1066 Re-initialize a previously suspended console. | |
| 1067 For tty consoles, do stuff to the tty to make it sane again. | |
| 1068 */ | |
| 2340 | 1069 (USED_IF_TTY (console))) |
| 428 | 1070 { |
| 1071 #ifdef HAVE_TTY | |
| 1072 struct console *con = decode_console (console); | |
| 1073 | |
| 1074 if (CONSOLE_TTY_P (con)) | |
| 1075 { | |
| 1076 /* raise the selected frame */ | |
| 1077 Lisp_Object device = CONSOLE_SELECTED_DEVICE (con); | |
| 1078 if (!NILP (device)) | |
| 1079 { | |
| 1080 struct device *d = XDEVICE (device); | |
| 1081 Lisp_Object frame = DEVICE_SELECTED_FRAME (d); | |
| 1082 if (!NILP (frame)) | |
| 1083 { | |
| 1084 /* force the frame to be cleared */ | |
| 1085 SET_FRAME_CLEAR (XFRAME (frame)); | |
| 1086 Fraise_frame (frame); | |
| 1087 } | |
| 1088 } | |
| 1089 init_one_console (con); | |
| 1090 event_stream_select_console (con); | |
| 1091 #ifdef SIGWINCH | |
| 1092 /* The same as in Fsuspend_emacs: it is possible that a size | |
| 1093 change occurred while we were suspended. Assume one did just | |
| 1094 to be safe. It won't hurt anything if one didn't. */ | |
| 1095 asynch_device_change_pending++; | |
| 1096 #endif | |
| 1097 } | |
| 1098 #endif /* HAVE_TTY */ | |
| 1099 | |
| 1100 return Qnil; | |
| 1101 } | |
| 1102 | |
| 1103 DEFUN ("set-input-mode", Fset_input_mode, 3, 5, 0, /* | |
| 1104 Set mode of reading keyboard input. | |
| 1204 | 1105 First arg (formerly INTERRUPT-INPUT) is ignored, for backward compatibility. |
| 428 | 1106 Second arg FLOW non-nil means use ^S/^Q flow control for output to terminal |
| 1107 (no effect except in CBREAK mode). | |
| 1108 Third arg META t means accept 8-bit input (for a Meta key). | |
| 1109 META nil means ignore the top bit, on the assumption it is parity. | |
| 1110 Otherwise, accept 8-bit input and don't use the top bit for Meta. | |
| 1111 First three arguments only apply to TTY consoles. | |
| 1112 Optional fourth arg QUIT if non-nil specifies character to use for quitting. | |
| 1113 Optional fifth arg CONSOLE specifies console to make changes to; nil means | |
| 1114 the selected console. | |
| 1115 See also `current-input-mode'. | |
| 1116 */ | |
| 2340 | 1117 (UNUSED (ignored), USED_IF_TTY (flow), meta, quit, console)) |
| 428 | 1118 { |
| 1119 struct console *con = decode_console (console); | |
| 1120 int meta_key = (!CONSOLE_TTY_P (con) ? 1 : | |
| 1121 EQ (meta, Qnil) ? 0 : | |
| 1122 EQ (meta, Qt) ? 1 : | |
| 1123 2); | |
| 1124 | |
| 1125 if (!NILP (quit)) | |
| 1126 { | |
| 1204 | 1127 if (CHAR_OR_CHAR_INTP (quit) && !meta_key) |
| 1128 set_quit_events (con, make_char (XCHAR_OR_CHAR_INT (quit) & 0177)); | |
| 1129 else | |
| 1130 set_quit_events (con, quit); | |
| 428 | 1131 } |
| 1132 | |
| 1133 #ifdef HAVE_TTY | |
| 1134 if (CONSOLE_TTY_P (con)) | |
| 1135 { | |
| 1136 reset_one_console (con); | |
| 1137 TTY_FLAGS (con).flow_control = !NILP (flow); | |
| 1138 TTY_FLAGS (con).meta_key = meta_key; | |
| 1139 init_one_console (con); | |
| 444 | 1140 MARK_FRAME_CHANGED (XFRAME (CONSOLE_SELECTED_FRAME (con))); |
| 428 | 1141 } |
| 1142 #endif | |
| 1143 | |
| 1144 return Qnil; | |
| 1145 } | |
| 1146 | |
| 1147 DEFUN ("current-input-mode", Fcurrent_input_mode, 0, 1, 0, /* | |
| 1148 Return information about the way Emacs currently reads keyboard input. | |
| 1149 Optional arg CONSOLE specifies console to return information about; nil means | |
| 1150 the selected console. | |
| 1151 The value is a list of the form (nil FLOW META QUIT), where | |
| 1152 FLOW is non-nil if Emacs uses ^S/^Q flow control for output to the | |
| 1153 terminal; this does not apply if Emacs uses interrupt-driven input. | |
| 1154 META is t if accepting 8-bit input with 8th bit as Meta flag. | |
| 1155 META nil means ignoring the top bit, on the assumption it is parity. | |
| 1156 META is neither t nor nil if accepting 8-bit input and using | |
| 1157 all 8 bits as the character code. | |
| 1158 QUIT is the character Emacs currently uses to quit. | |
| 1159 FLOW, and META are only meaningful for TTY consoles. | |
| 1160 The elements of this list correspond to the arguments of | |
| 1161 `set-input-mode'. | |
| 1162 */ | |
| 1163 (console)) | |
| 1164 { | |
| 1165 struct console *con = decode_console (console); | |
| 1204 | 1166 Lisp_Object flow, meta; |
| 428 | 1167 |
| 1168 #ifdef HAVE_TTY | |
| 1169 flow = CONSOLE_TTY_P (con) && TTY_FLAGS (con).flow_control ? Qt : Qnil; | |
| 1170 meta = (!CONSOLE_TTY_P (con) ? Qt : | |
| 1171 TTY_FLAGS (con).meta_key == 1 ? Qt : | |
| 1172 TTY_FLAGS (con).meta_key == 2 ? Qzero : | |
| 1173 Qnil); | |
| 1174 #else | |
| 1175 flow = Qnil; | |
| 1176 meta = Qt; | |
| 1177 #endif | |
| 1178 | |
| 1204 | 1179 return list4 (Qnil, flow, meta, CONSOLE_QUIT_CHAR (con)); |
| 428 | 1180 } |
| 1181 | |
| 1182 | |
| 1183 /************************************************************************/ | |
| 1184 /* initialization */ | |
| 1185 /************************************************************************/ | |
| 1186 | |
| 1187 void | |
| 1188 syms_of_console (void) | |
| 1189 { | |
| 442 | 1190 INIT_LRECORD_IMPLEMENTATION (console); |
| 3092 | 1191 #ifdef NEW_GC |
| 1192 #ifdef HAVE_TTY | |
| 1193 INIT_LRECORD_IMPLEMENTATION (tty_console); | |
| 1194 #endif | |
| 1195 INIT_LRECORD_IMPLEMENTATION (stream_console); | |
| 3263 | 1196 #endif /* NEW_GC */ |
| 442 | 1197 |
| 428 | 1198 DEFSUBR (Fvalid_console_type_p); |
| 1199 DEFSUBR (Fconsole_type_list); | |
| 1200 DEFSUBR (Fcdfw_console); | |
| 1201 DEFSUBR (Fselected_console); | |
| 1202 DEFSUBR (Fselect_console); | |
| 1203 DEFSUBR (Fconsolep); | |
| 1204 DEFSUBR (Fconsole_live_p); | |
| 1205 DEFSUBR (Fconsole_type); | |
| 1206 DEFSUBR (Fconsole_name); | |
| 1207 DEFSUBR (Fconsole_connection); | |
| 1208 DEFSUBR (Ffind_console); | |
| 1209 DEFSUBR (Fget_console); | |
| 1210 DEFSUBR (Fdelete_console); | |
| 1211 DEFSUBR (Fconsole_list); | |
| 1212 DEFSUBR (Fconsole_device_list); | |
| 1213 DEFSUBR (Fconsole_enable_input); | |
| 1214 DEFSUBR (Fconsole_disable_input); | |
| 1215 DEFSUBR (Fconsole_on_window_system_p); | |
| 1216 DEFSUBR (Fsuspend_console); | |
| 1217 DEFSUBR (Fresume_console); | |
| 1218 | |
| 1219 DEFSUBR (Fsuspend_emacs); | |
| 1220 DEFSUBR (Fset_input_mode); | |
| 1221 DEFSUBR (Fcurrent_input_mode); | |
| 1222 | |
| 563 | 1223 DEFSYMBOL (Qconsolep); |
| 1224 DEFSYMBOL (Qconsole_live_p); | |
| 428 | 1225 |
| 563 | 1226 DEFSYMBOL (Qcreate_console_hook); |
| 1227 DEFSYMBOL (Qdelete_console_hook); | |
| 428 | 1228 |
| 563 | 1229 DEFSYMBOL (Qsuspend_hook); |
| 1230 DEFSYMBOL (Qsuspend_resume_hook); | |
| 428 | 1231 } |
| 1232 | |
| 1204 | 1233 static const struct memory_description cte_description_1[] = { |
| 440 | 1234 { XD_LISP_OBJECT, offsetof (console_type_entry, symbol) }, |
| 2551 | 1235 { XD_BLOCK_PTR, offsetof (console_type_entry, meths), 1, |
| 1236 { &console_methods_description } }, | |
| 428 | 1237 { XD_END } |
| 1238 }; | |
| 1239 | |
| 1204 | 1240 static const struct sized_memory_description cte_description = { |
| 440 | 1241 sizeof (console_type_entry), |
| 428 | 1242 cte_description_1 |
| 1243 }; | |
| 1244 | |
| 1204 | 1245 static const struct memory_description cted_description_1[] = { |
| 440 | 1246 XD_DYNARR_DESC (console_type_entry_dynarr, &cte_description), |
| 428 | 1247 { XD_END } |
| 1248 }; | |
| 1249 | |
| 1204 | 1250 const struct sized_memory_description cted_description = { |
| 440 | 1251 sizeof (console_type_entry_dynarr), |
| 428 | 1252 cted_description_1 |
| 1253 }; | |
| 1254 | |
| 1204 | 1255 static const struct memory_description console_methods_description_1[] = { |
| 440 | 1256 { XD_LISP_OBJECT, offsetof (struct console_methods, symbol) }, |
| 1257 { XD_LISP_OBJECT, offsetof (struct console_methods, predicate_symbol) }, | |
| 1258 { XD_LISP_OBJECT, offsetof (struct console_methods, image_conversion_list) }, | |
| 428 | 1259 { XD_END } |
| 1260 }; | |
| 1261 | |
| 1204 | 1262 const struct sized_memory_description console_methods_description = { |
| 440 | 1263 sizeof (struct console_methods), |
| 428 | 1264 console_methods_description_1 |
| 1265 }; | |
| 1266 | |
| 1267 | |
| 1268 void | |
| 1269 console_type_create (void) | |
| 1270 { | |
| 1271 the_console_type_entry_dynarr = Dynarr_new (console_type_entry); | |
| 2367 | 1272 dump_add_root_block_ptr (&the_console_type_entry_dynarr, &cted_description); |
| 428 | 1273 |
| 1274 Vconsole_type_list = Qnil; | |
| 1275 staticpro (&Vconsole_type_list); | |
| 1276 | |
| 1277 /* Initialize the dead console type */ | |
| 1278 INITIALIZE_CONSOLE_TYPE (dead, "dead", "console-dead-p"); | |
| 1279 | |
| 1280 /* then reset the console-type lists, because `dead' is not really | |
| 1281 a valid console type */ | |
| 1282 Dynarr_reset (the_console_type_entry_dynarr); | |
| 1283 Vconsole_type_list = Qnil; | |
| 1284 } | |
| 1285 | |
| 1286 void | |
| 1287 reinit_vars_of_console (void) | |
| 1288 { | |
| 1289 staticpro_nodump (&Vconsole_list); | |
| 1290 Vconsole_list = Qnil; | |
| 1291 staticpro_nodump (&Vselected_console); | |
| 1292 Vselected_console = Qnil; | |
| 1293 } | |
| 1294 | |
| 1295 void | |
| 1296 vars_of_console (void) | |
| 1297 { | |
| 1298 DEFVAR_LISP ("create-console-hook", &Vcreate_console_hook /* | |
| 1299 Function or functions to call when a console is created. | |
| 1300 One argument, the newly-created console. | |
| 1301 This is called after the first frame has been created, but before | |
| 1302 calling the `create-device-hook' or `create-frame-hook'. | |
| 1303 Note that in general the console will not be selected. | |
| 1304 */ ); | |
| 1305 Vcreate_console_hook = Qnil; | |
| 1306 | |
| 1307 DEFVAR_LISP ("delete-console-hook", &Vdelete_console_hook /* | |
| 1308 Function or functions to call when a console is deleted. | |
| 1309 One argument, the to-be-deleted console. | |
| 1310 */ ); | |
| 1311 Vdelete_console_hook = Qnil; | |
| 1312 | |
| 1313 #ifdef HAVE_WINDOW_SYSTEM | |
| 1314 Fprovide (intern ("window-system")); | |
| 1315 #endif | |
| 1316 } | |
| 1317 | |
| 643 | 1318 /* The docstrings for DEFVAR_* are recorded externally by make-docfile. */ |
| 3263 | 1319 #ifdef NEW_GC |
| 2720 | 1320 #define DEFVAR_CONSOLE_LOCAL_1(lname, field_name, forward_type, magic_fun) \ |
| 1321 do { \ | |
| 1322 struct symbol_value_forward *I_hate_C = \ | |
| 1323 alloc_lrecord_type (struct symbol_value_forward, \ | |
| 1324 &lrecord_symbol_value_forward); \ | |
| 1325 /*mcpro ((Lisp_Object) I_hate_C);*/ \ | |
| 1326 \ | |
| 1327 I_hate_C->magic.value = &(console_local_flags.field_name); \ | |
| 1328 I_hate_C->magic.type = forward_type; \ | |
| 1329 I_hate_C->magicfun = magic_fun; \ | |
| 1330 \ | |
| 1331 MARK_LRECORD_AS_LISP_READONLY (I_hate_C); \ | |
| 1332 \ | |
| 1333 { \ | |
| 1334 int offset = ((char *)symbol_value_forward_forward (I_hate_C) \ | |
| 1335 - (char *)&console_local_flags); \ | |
| 1336 \ | |
| 1337 defvar_magic (lname, I_hate_C); \ | |
| 1338 \ | |
| 1339 *((Lisp_Object *)(offset + (char *)XCONSOLE (Vconsole_local_symbols))) \ | |
| 1340 = intern (lname); \ | |
| 1341 } \ | |
| 1342 } while (0) | |
| 3263 | 1343 #else /* not NEW_GC */ |
| 617 | 1344 #define DEFVAR_CONSOLE_LOCAL_1(lname, field_name, forward_type, magicfun) \ |
| 1345 do { \ | |
| 1346 static const struct symbol_value_forward I_hate_C = \ | |
| 1347 { /* struct symbol_value_forward */ \ | |
| 1348 { /* struct symbol_value_magic */ \ | |
| 3024 | 1349 { /* struct old_lcrecord_header */ \ |
| 617 | 1350 { /* struct lrecord_header */ \ |
| 1351 lrecord_type_symbol_value_forward, /* lrecord_type_index */ \ | |
| 1352 1, /* mark bit */ \ | |
| 1353 1, /* c_readonly bit */ \ | |
| 1354 1 /* lisp_readonly bit */ \ | |
| 1355 }, \ | |
| 1356 0, /* next */ \ | |
| 1357 0, /* uid */ \ | |
| 1358 0 /* free */ \ | |
| 1359 }, \ | |
| 1360 &(console_local_flags.field_name), \ | |
| 1361 forward_type \ | |
| 1362 }, \ | |
| 1363 magicfun \ | |
| 1364 }; \ | |
| 1365 \ | |
| 1366 { \ | |
| 1367 int offset = ((char *)symbol_value_forward_forward (&I_hate_C) \ | |
| 1368 - (char *)&console_local_flags); \ | |
| 1369 \ | |
| 1370 defvar_magic (lname, &I_hate_C); \ | |
| 1371 \ | |
| 1372 *((Lisp_Object *)(offset + (char *)XCONSOLE (Vconsole_local_symbols))) \ | |
| 1373 = intern (lname); \ | |
| 1374 } \ | |
| 428 | 1375 } while (0) |
| 3263 | 1376 #endif /* not NEW_GC */ |
| 428 | 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 */ | |
| 3017 | 1401 struct console *defs = ALLOC_LCRECORD_TYPE (struct console, &lrecord_console); |
| 1402 struct console *syms = ALLOC_LCRECORD_TYPE (struct console, &lrecord_console); | |
| 428 | 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 */ | |
| 1204 | 1415 |
| 1416 /* ... Nothing here for the moment. | |
| 1417 #### Console-local variables should probably be eliminated.*/ | |
| 428 | 1418 |
| 1419 { | |
| 1420 /* 0 means var is always local. Default used only at creation. | |
| 1421 * -1 means var is always local. Default used only at reset and | |
| 1422 * creation. | |
| 1423 * -2 means there's no lisp variable corresponding to this slot | |
| 1424 * and the default is only used at creation. | |
| 1425 * -3 means no Lisp variable. Default used only at reset and creation. | |
| 1426 * >0 is mask. Var is local if ((console->local_var_flags & mask) != 0) | |
| 1427 * Otherwise default is used. | |
| 1428 * | |
| 1429 * #### We don't currently ever reset console variables, so there | |
| 1430 * is no current distinction between 0 and -1, and between -2 and -3. | |
| 1431 */ | |
| 1432 Lisp_Object always_local_resettable = make_int (-1); | |
| 1433 | |
| 1434 #if 0 /* not used */ | |
| 1435 Lisp_Object always_local_no_default = make_int (0); | |
| 1436 Lisp_Object resettable = make_int (-3); | |
| 1437 #endif | |
| 1438 | |
| 1439 /* Assign the local-flags to the slots that have default values. | |
| 1440 The local flag is a bit that is used in the console | |
| 1441 to say that it has its own local value for the slot. | |
| 1442 The local flag bits are in the local_var_flags slot of the | |
| 1443 console. */ | |
| 1444 | |
| 1445 nuke_all_console_slots (&console_local_flags, make_int (-2)); | |
| 1446 console_local_flags.defining_kbd_macro = always_local_resettable; | |
| 1447 console_local_flags.last_kbd_macro = always_local_resettable; | |
| 1448 console_local_flags.prefix_arg = always_local_resettable; | |
| 1449 console_local_flags.default_minibuffer_frame = always_local_resettable; | |
| 1450 console_local_flags.overriding_terminal_local_map = | |
| 1451 always_local_resettable; | |
| 1452 #ifdef HAVE_TTY | |
| 1453 console_local_flags.tty_erase_char = always_local_resettable; | |
| 1454 #endif | |
| 1455 | |
| 1456 console_local_flags.function_key_map = make_int (1); | |
| 1457 | |
| 1458 /* #### Warning, 0x4000000 (that's six zeroes) is the largest number | |
| 1459 currently allowable due to the XINT() handling of this value. | |
| 1460 With some rearrangement you can get 4 more bits. */ | |
| 1461 } | |
| 1462 } | |
| 1463 | |
| 1464 | |
| 1465 #define CONSOLE_SLOTS_SIZE (offsetof (struct console, CONSOLE_SLOTS_LAST_NAME) - offsetof (struct console, CONSOLE_SLOTS_FIRST_NAME) + sizeof (Lisp_Object)) | |
| 1466 #define CONSOLE_SLOTS_COUNT (CONSOLE_SLOTS_SIZE / sizeof (Lisp_Object)) | |
| 1467 | |
| 1468 void | |
| 771 | 1469 reinit_complex_vars_of_console_runtime_only (void) |
| 428 | 1470 { |
| 1471 struct console *defs, *syms; | |
| 1472 | |
| 1473 common_init_complex_vars_of_console (); | |
| 1474 | |
| 1475 defs = XCONSOLE (Vconsole_defaults); | |
| 1476 syms = XCONSOLE (Vconsole_local_symbols); | |
| 1477 memcpy (&defs->CONSOLE_SLOTS_FIRST_NAME, | |
| 1478 console_defaults_saved_slots, | |
| 1479 CONSOLE_SLOTS_SIZE); | |
| 1480 memcpy (&syms->CONSOLE_SLOTS_FIRST_NAME, | |
| 1481 console_local_symbols_saved_slots, | |
| 1482 CONSOLE_SLOTS_SIZE); | |
| 1483 } | |
| 1484 | |
| 1485 | |
| 1204 | 1486 static const struct memory_description console_slots_description_1[] = { |
| 440 | 1487 { XD_LISP_OBJECT_ARRAY, 0, CONSOLE_SLOTS_COUNT }, |
| 428 | 1488 { XD_END } |
| 1489 }; | |
| 1490 | |
| 1204 | 1491 static const struct sized_memory_description console_slots_description = { |
| 428 | 1492 CONSOLE_SLOTS_SIZE, |
| 1493 console_slots_description_1 | |
| 1494 }; | |
| 1495 | |
| 1496 void | |
| 1497 complex_vars_of_console (void) | |
| 1498 { | |
| 1499 struct console *defs, *syms; | |
| 1500 | |
| 1501 common_init_complex_vars_of_console (); | |
| 1502 | |
| 1503 defs = XCONSOLE (Vconsole_defaults); | |
| 1504 syms = XCONSOLE (Vconsole_local_symbols); | |
| 1505 console_defaults_saved_slots = &defs->CONSOLE_SLOTS_FIRST_NAME; | |
| 1506 console_local_symbols_saved_slots = &syms->CONSOLE_SLOTS_FIRST_NAME; | |
| 2367 | 1507 dump_add_root_block_ptr (&console_defaults_saved_slots, &console_slots_description); |
| 1508 dump_add_root_block_ptr (&console_local_symbols_saved_slots, &console_slots_description); | |
| 428 | 1509 |
| 1510 DEFVAR_CONSOLE_DEFAULTS ("default-function-key-map", function_key_map /* | |
| 1511 Default value of `function-key-map' for consoles that don't override it. | |
| 1512 This is the same as (default-value 'function-key-map). | |
| 1513 */ ); | |
| 1514 | |
| 1515 DEFVAR_CONSOLE_LOCAL ("function-key-map", function_key_map /* | |
| 1516 Keymap mapping ASCII function key sequences onto their preferred forms. | |
| 1517 This allows Emacs to recognize function keys sent from ASCII | |
| 1518 terminals at any point in a key sequence. | |
| 1519 | |
| 1520 The `read-key-sequence' function replaces any subsequence bound by | |
| 1521 `function-key-map' with its binding. More precisely, when the active | |
| 1522 keymaps have no binding for the current key sequence but | |
| 1523 `function-key-map' binds a suffix of the sequence to a vector or string, | |
| 1524 `read-key-sequence' replaces the matching suffix with its binding, and | |
| 2027 | 1525 continues with the new sequence. See `key-binding'. |
| 428 | 1526 |
| 1527 The events that come from bindings in `function-key-map' are not | |
| 1528 themselves looked up in `function-key-map'. | |
| 1529 | |
| 1530 For example, suppose `function-key-map' binds `ESC O P' to [f1]. | |
| 1531 Typing `ESC O P' to `read-key-sequence' would return | |
| 1532 \[#<keypress-event f1>]. Typing `C-x ESC O P' would return | |
| 1533 \[#<keypress-event control-X> #<keypress-event f1>]. If [f1] | |
| 1534 were a prefix key, typing `ESC O P x' would return | |
| 1535 \[#<keypress-event f1> #<keypress-event x>]. | |
| 1536 */ ); | |
| 1537 | |
| 1538 #ifdef HAVE_TTY | |
| 440 | 1539 /* #### Should this somehow go to TTY data? How do we make it |
| 428 | 1540 accessible from Lisp, then? */ |
| 1541 DEFVAR_CONSOLE_LOCAL ("tty-erase-char", tty_erase_char /* | |
| 1542 The ERASE character as set by the user with stty. | |
| 1543 When this value cannot be determined or would be meaningless (on non-TTY | |
| 1544 consoles, for example), it is set to nil. | |
| 1545 */ ); | |
| 1546 #endif | |
| 1547 | |
| 442 | 1548 /* While this should be const it can't be because some things |
| 428 | 1549 (i.e. edebug) do manipulate it. */ |
| 1550 DEFVAR_CONSOLE_LOCAL ("defining-kbd-macro", defining_kbd_macro /* | |
| 442 | 1551 Non-nil while a keyboard macro is being defined. Don't set this! |
| 428 | 1552 */ ); |
| 1553 | |
| 1554 DEFVAR_CONSOLE_LOCAL ("last-kbd-macro", last_kbd_macro /* | |
| 442 | 1555 Last keyboard macro defined, as a vector of events; nil if none defined. |
| 428 | 1556 */ ); |
| 1557 | |
| 1558 DEFVAR_CONSOLE_LOCAL ("prefix-arg", prefix_arg /* | |
| 1559 The value of the prefix argument for the next editing command. | |
| 1560 It may be a number, or the symbol `-' for just a minus sign as arg, | |
| 1561 or a list whose car is a number for just one or more C-U's | |
| 1562 or nil if no argument has been specified. | |
| 1563 | |
| 1564 You cannot examine this variable to find the argument for this command | |
| 1565 since it has been set to nil by the time you can look. | |
| 1566 Instead, you should use the variable `current-prefix-arg', although | |
| 1567 normally commands can get this prefix argument with (interactive "P"). | |
| 1568 */ ); | |
| 1569 | |
| 1570 DEFVAR_CONSOLE_LOCAL ("default-minibuffer-frame", | |
| 1571 default_minibuffer_frame /* | |
| 1572 Minibufferless frames use this frame's minibuffer. | |
| 1573 | |
| 1574 Emacs cannot create minibufferless frames unless this is set to an | |
| 1575 appropriate surrogate. | |
| 1576 | |
| 1577 XEmacs consults this variable only when creating minibufferless | |
| 1578 frames; once the frame is created, it sticks with its assigned | |
| 1579 minibuffer, no matter what this variable is set to. This means that | |
| 1580 this variable doesn't necessarily say anything meaningful about the | |
| 1581 current set of frames, or where the minibuffer is currently being | |
| 1582 displayed. | |
| 1583 */ ); | |
| 1584 | |
| 1585 DEFVAR_CONSOLE_LOCAL ("overriding-terminal-local-map", | |
| 1586 overriding_terminal_local_map /* | |
| 1587 Keymap that overrides all other local keymaps, for the selected console only. | |
| 1588 If this variable is non-nil, it is used as a keymap instead of the | |
| 1589 buffer's local map, and the minor mode keymaps and text property keymaps. | |
| 1590 */ ); | |
| 1591 | |
| 1592 /* Check for DEFVAR_CONSOLE_LOCAL without initializing the corresponding | |
| 1593 slot of console_local_flags and vice-versa. Must be done after all | |
| 1594 DEFVAR_CONSOLE_LOCAL() calls. */ | |
|
5050
6f2158fa75ed
Fix quick-build, use asserts() in place of ABORT()
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
1595 #define MARKED_SLOT(slot) \ |
|
6f2158fa75ed
Fix quick-build, use asserts() in place of ABORT()
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
1596 assert ((XINT (console_local_flags.slot) != -2 && \ |
|
6f2158fa75ed
Fix quick-build, use asserts() in place of ABORT()
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
1597 XINT (console_local_flags.slot) != -3) \ |
|
6f2158fa75ed
Fix quick-build, use asserts() in place of ABORT()
Ben Wing <ben@xemacs.org>
parents:
5013
diff
changeset
|
1598 == !(NILP (XCONSOLE (Vconsole_local_symbols)->slot))); |
| 428 | 1599 #include "conslots.h" |
| 1600 } |