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"
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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
|
|
112 { XD_STRUCT_PTR, tty_console, 1, &tty_console_data_description},
|
|
113 #endif
|
|
114 { XD_STRUCT_PTR, stream_console, 1, &stream_console_data_description},
|
934
|
115 { XD_END }
|
|
116 };
|
|
117
|
1204
|
118 static const struct sized_memory_description console_data_description = {
|
|
119 sizeof (void *), console_data_description_1
|
934
|
120 };
|
|
121
|
1204
|
122 static const struct memory_description console_description [] = {
|
934
|
123 { XD_INT, offsetof (struct console, contype) },
|
1204
|
124 #define MARKED_SLOT(x) { XD_LISP_OBJECT, offsetof (struct console, x) },
|
|
125 #include "conslots.h"
|
|
126 { XD_STRUCT_PTR, offsetof (struct console, conmeths), 1,
|
|
127 &console_methods_description },
|
934
|
128 { XD_UNION, offsetof (struct console, console_data),
|
1204
|
129 XD_INDIRECT (0, 0), &console_data_description },
|
934
|
130 { XD_END }
|
|
131 };
|
|
132
|
428
|
133 static Lisp_Object
|
|
134 mark_console (Lisp_Object obj)
|
|
135 {
|
|
136 struct console *con = XCONSOLE (obj);
|
|
137
|
1204
|
138 #define MARKED_SLOT(x) mark_object (con->x);
|
428
|
139 #include "conslots.h"
|
|
140
|
|
141 /* Can be zero for Vconsole_defaults, Vconsole_local_symbols */
|
|
142 if (con->conmeths)
|
|
143 {
|
|
144 mark_object (con->conmeths->symbol);
|
|
145 MAYBE_CONMETH (con, mark_console, (con));
|
|
146 }
|
|
147
|
|
148 return Qnil;
|
|
149 }
|
|
150
|
|
151 static void
|
|
152 print_console (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
153 {
|
|
154 struct console *con = XCONSOLE (obj);
|
|
155
|
|
156 if (print_readably)
|
563
|
157 printing_unreadable_object ("#<console %s 0x%x>",
|
|
158 XSTRING_DATA (con->name), con->header.uid);
|
428
|
159
|
800
|
160 write_fmt_string (printcharfun, "#<%s-console",
|
|
161 !CONSOLE_LIVE_P (con) ? "dead" : CONSOLE_TYPE_NAME (con));
|
440
|
162 if (CONSOLE_LIVE_P (con) && !NILP (CONSOLE_CONNECTION (con)))
|
800
|
163 write_fmt_string_lisp (printcharfun, " on %S", 1,
|
|
164 CONSOLE_CONNECTION (con));
|
|
165 write_fmt_string (printcharfun, " 0x%x>", con->header.uid);
|
428
|
166 }
|
|
167
|
934
|
168 DEFINE_LRECORD_IMPLEMENTATION ("console", console,
|
|
169 0, /*dumpable-flag*/
|
|
170 mark_console, print_console, 0, 0, 0,
|
|
171 console_description,
|
|
172 struct console);
|
428
|
173
|
1204
|
174
|
|
175 static void
|
|
176 set_quit_events (struct console *con, Lisp_Object key)
|
|
177 {
|
|
178 /* Make sure to run Fcharacter_to_event() *BEFORE* setting QUIT_CHAR,
|
|
179 so that nothing is changed when invalid values trigger an error! */
|
|
180 con->quit_event = Fcharacter_to_event (key, Qnil, wrap_console (con), Qnil);
|
|
181 con->quit_char = key;
|
|
182 con->critical_quit_event = Fcopy_event (con->quit_event, Qnil);
|
|
183 upshift_event (con->critical_quit_event);
|
|
184 }
|
|
185
|
428
|
186 static struct console *
|
1204
|
187 allocate_console (Lisp_Object type)
|
428
|
188 {
|
|
189 Lisp_Object console;
|
|
190 struct console *con = alloc_lcrecord_type (struct console, &lrecord_console);
|
|
191 struct gcpro gcpro1;
|
|
192
|
|
193 copy_lcrecord (con, XCONSOLE (Vconsole_defaults));
|
|
194
|
793
|
195 console = wrap_console (con);
|
428
|
196 GCPRO1 (console);
|
|
197
|
1204
|
198 con->conmeths = decode_console_type (type, ERROR_ME);
|
|
199 con->contype = get_console_variant (type);
|
771
|
200 con->command_builder = allocate_command_builder (console, 1);
|
428
|
201 con->function_key_map = Fmake_sparse_keymap (Qnil);
|
1204
|
202 set_quit_events (con, make_char (7)); /* C-g */
|
428
|
203
|
|
204 UNGCPRO;
|
|
205 return con;
|
|
206 }
|
|
207
|
|
208 struct console *
|
|
209 decode_console (Lisp_Object console)
|
|
210 {
|
|
211 if (NILP (console))
|
|
212 console = Fselected_console ();
|
|
213 /* quietly accept devices and frames for the console arg */
|
|
214 if (DEVICEP (console) || FRAMEP (console))
|
|
215 console = DEVICE_CONSOLE (decode_device (console));
|
|
216 CHECK_LIVE_CONSOLE (console);
|
|
217 return XCONSOLE (console);
|
|
218 }
|
|
219
|
|
220
|
|
221 struct console_methods *
|
578
|
222 decode_console_type (Lisp_Object type, Error_Behavior errb)
|
428
|
223 {
|
|
224 int i;
|
|
225
|
|
226 for (i = 0; i < Dynarr_length (the_console_type_entry_dynarr); i++)
|
|
227 if (EQ (type, Dynarr_at (the_console_type_entry_dynarr, i).symbol))
|
|
228 return Dynarr_at (the_console_type_entry_dynarr, i).meths;
|
|
229
|
563
|
230 maybe_invalid_constant ("Invalid console type", type, Qconsole, errb);
|
428
|
231
|
|
232 return 0;
|
|
233 }
|
|
234
|
934
|
235 enum console_variant
|
|
236 get_console_variant (Lisp_Object type)
|
|
237 {
|
|
238 if (EQ (type, Qtty))
|
1204
|
239 return tty_console;
|
934
|
240
|
|
241 if (EQ (type, Qgtk))
|
1204
|
242 return gtk_console;
|
934
|
243
|
|
244 if (EQ (type, Qx))
|
1204
|
245 return x_console;
|
934
|
246
|
|
247 if (EQ (type, Qmswindows))
|
1204
|
248 return mswindows_console;
|
934
|
249
|
|
250 if (EQ (type, Qstream))
|
1204
|
251 return stream_console;
|
934
|
252
|
|
253 abort (); /* should never happen */
|
|
254 return dead_console;
|
|
255 }
|
|
256
|
428
|
257 int
|
|
258 valid_console_type_p (Lisp_Object type)
|
|
259 {
|
|
260 return decode_console_type (type, ERROR_ME_NOT) != 0;
|
|
261 }
|
|
262
|
|
263 DEFUN ("valid-console-type-p", Fvalid_console_type_p, 1, 1, 0, /*
|
444
|
264 Return t if CONSOLE-TYPE is a valid console type.
|
1315
|
265 Valid types are 'x, 'tty, 'mswindows, 'gtk, and 'stream.
|
428
|
266 */
|
|
267 (console_type))
|
|
268 {
|
|
269 return valid_console_type_p (console_type) ? Qt : Qnil;
|
|
270 }
|
|
271
|
|
272 DEFUN ("console-type-list", Fconsole_type_list, 0, 0, 0, /*
|
|
273 Return a list of valid console types.
|
|
274 */
|
|
275 ())
|
|
276 {
|
|
277 return Fcopy_sequence (Vconsole_type_list);
|
|
278 }
|
|
279
|
|
280 DEFUN ("cdfw-console", Fcdfw_console, 1, 1, 0, /*
|
|
281 Given a console, device, frame, or window, return the associated console.
|
|
282 Return nil otherwise.
|
|
283 */
|
444
|
284 (object))
|
428
|
285 {
|
444
|
286 return CDFW_CONSOLE (object);
|
428
|
287 }
|
|
288
|
872
|
289 int
|
|
290 console_live_p (struct console *c)
|
|
291 {
|
|
292 return CONSOLE_LIVE_P (c);
|
|
293 }
|
|
294
|
|
295 Lisp_Object
|
|
296 console_device_list (struct console *c)
|
|
297 {
|
|
298 return CONSOLE_DEVICE_LIST (c);
|
|
299 }
|
|
300
|
428
|
301
|
|
302 DEFUN ("selected-console", Fselected_console, 0, 0, 0, /*
|
|
303 Return the console which is currently active.
|
|
304 */
|
|
305 ())
|
|
306 {
|
|
307 return Vselected_console;
|
|
308 }
|
|
309
|
|
310 /* Called from selected_device_1(), called from selected_frame_1(),
|
|
311 called from Fselect_window() */
|
|
312 void
|
|
313 select_console_1 (Lisp_Object console)
|
|
314 {
|
|
315 /* perhaps this should do something more complicated */
|
|
316 Vselected_console = console;
|
|
317
|
|
318 /* #### Schedule this to be removed in 19.14 */
|
|
319 #ifdef HAVE_X_WINDOWS
|
|
320 if (CONSOLE_X_P (XCONSOLE (console)))
|
|
321 Vwindow_system = Qx;
|
|
322 else
|
|
323 #endif
|
462
|
324 #ifdef HAVE_GTK
|
|
325 if (CONSOLE_GTK_P (XCONSOLE (console)))
|
|
326 Vwindow_system = Qgtk;
|
|
327 else
|
|
328 #endif
|
428
|
329 #ifdef HAVE_MS_WINDOWS
|
|
330 if (CONSOLE_MSWINDOWS_P (XCONSOLE (console)))
|
|
331 Vwindow_system = Qmswindows;
|
|
332 else
|
|
333 #endif
|
|
334 Vwindow_system = Qnil;
|
|
335 }
|
|
336
|
|
337 DEFUN ("select-console", Fselect_console, 1, 1, 0, /*
|
|
338 Select the console CONSOLE.
|
|
339 Subsequent editing commands apply to its selected device, selected frame,
|
|
340 and selected window. The selection of CONSOLE lasts until the next time
|
|
341 the user does something to select a different console, or until the next
|
|
342 time this function is called.
|
|
343 */
|
|
344 (console))
|
|
345 {
|
|
346 Lisp_Object device;
|
|
347
|
|
348 CHECK_LIVE_CONSOLE (console);
|
|
349
|
|
350 device = CONSOLE_SELECTED_DEVICE (XCONSOLE (console));
|
|
351 if (!NILP (device))
|
|
352 {
|
|
353 struct device *d = XDEVICE (device);
|
|
354 Lisp_Object frame = DEVICE_SELECTED_FRAME (d);
|
|
355 if (!NILP (frame))
|
|
356 {
|
|
357 struct frame *f = XFRAME(frame);
|
|
358 Fselect_window (FRAME_SELECTED_WINDOW (f), Qnil);
|
|
359 }
|
|
360 else
|
563
|
361 invalid_operation ("Can't select console with no frames", Qunbound);
|
428
|
362 }
|
|
363 else
|
563
|
364 invalid_operation ("Can't select a console with no devices", Qunbound);
|
428
|
365 return Qnil;
|
|
366 }
|
|
367
|
|
368 void
|
|
369 set_console_last_nonminibuf_frame (struct console *con,
|
|
370 Lisp_Object frame)
|
|
371 {
|
|
372 con->last_nonminibuf_frame = frame;
|
|
373 }
|
|
374
|
|
375 DEFUN ("consolep", Fconsolep, 1, 1, 0, /*
|
|
376 Return non-nil if OBJECT is a console.
|
|
377 */
|
|
378 (object))
|
|
379 {
|
|
380 return CONSOLEP (object) ? Qt : Qnil;
|
|
381 }
|
|
382
|
|
383 DEFUN ("console-live-p", Fconsole_live_p, 1, 1, 0, /*
|
|
384 Return non-nil if OBJECT is a console that has not been deleted.
|
|
385 */
|
|
386 (object))
|
|
387 {
|
|
388 return CONSOLEP (object) && CONSOLE_LIVE_P (XCONSOLE (object)) ? Qt : Qnil;
|
|
389 }
|
|
390
|
|
391 DEFUN ("console-type", Fconsole_type, 0, 1, 0, /*
|
444
|
392 Return the console type (e.g. `x' or `tty') of CONSOLE.
|
428
|
393 Value is `tty' for a tty console (a character-only terminal),
|
|
394 `x' for a console that is an X display,
|
|
395 `mswindows' for a console that is a Windows NT/95/97 connection,
|
|
396 `pc' for a console that is a direct-write MS-DOS connection (not yet
|
|
397 implemented),
|
|
398 `stream' for a stream console (which acts like a stdio stream), and
|
|
399 `dead' for a deleted console.
|
|
400 */
|
|
401 (console))
|
|
402 {
|
|
403 /* don't call decode_console() because we want to allow for dead
|
|
404 consoles. */
|
|
405 if (NILP (console))
|
|
406 console = Fselected_console ();
|
|
407 CHECK_CONSOLE (console);
|
|
408 return CONSOLE_TYPE (XCONSOLE (console));
|
|
409 }
|
|
410
|
|
411 DEFUN ("console-name", Fconsole_name, 0, 1, 0, /*
|
444
|
412 Return the name of CONSOLE.
|
428
|
413 */
|
|
414 (console))
|
|
415 {
|
|
416 return CONSOLE_NAME (decode_console (console));
|
|
417 }
|
|
418
|
|
419 DEFUN ("console-connection", Fconsole_connection, 0, 1, 0, /*
|
|
420 Return the connection of the specified console.
|
|
421 CONSOLE defaults to the selected console if omitted.
|
|
422 */
|
|
423 (console))
|
|
424 {
|
|
425 return CONSOLE_CONNECTION (decode_console (console));
|
|
426 }
|
|
427
|
|
428 static Lisp_Object
|
|
429 semi_canonicalize_console_connection (struct console_methods *meths,
|
578
|
430 Lisp_Object name, Error_Behavior errb)
|
428
|
431 {
|
440
|
432 if (HAS_CONTYPE_METH_P (meths, semi_canonicalize_console_connection))
|
|
433 return CONTYPE_METH (meths, semi_canonicalize_console_connection,
|
|
434 (name, errb));
|
|
435 else
|
|
436 return CONTYPE_METH_OR_GIVEN (meths, canonicalize_console_connection,
|
|
437 (name, errb), name);
|
428
|
438 }
|
|
439
|
|
440 static Lisp_Object
|
|
441 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, canonicalize_console_connection))
|
|
445 return CONTYPE_METH (meths, canonicalize_console_connection,
|
|
446 (name, errb));
|
|
447 else
|
|
448 return CONTYPE_METH_OR_GIVEN (meths, semi_canonicalize_console_connection,
|
|
449 (name, errb), name);
|
428
|
450 }
|
|
451
|
|
452 static Lisp_Object
|
|
453 find_console_of_type (struct console_methods *meths, Lisp_Object canon)
|
|
454 {
|
|
455 Lisp_Object concons;
|
|
456
|
|
457 CONSOLE_LOOP (concons)
|
|
458 {
|
|
459 Lisp_Object console = XCAR (concons);
|
|
460
|
|
461 if (EQ (CONMETH_TYPE (meths), CONSOLE_TYPE (XCONSOLE (console)))
|
|
462 && internal_equal (CONSOLE_CANON_CONNECTION (XCONSOLE (console)),
|
|
463 canon, 0))
|
|
464 return console;
|
|
465 }
|
|
466
|
|
467 return Qnil;
|
|
468 }
|
|
469
|
|
470 DEFUN ("find-console", Ffind_console, 1, 2, 0, /*
|
|
471 Look for an existing console attached to connection CONNECTION.
|
|
472 Return the console if found; otherwise, return nil.
|
|
473
|
|
474 If TYPE is specified, only return consoles of that type; otherwise,
|
|
475 return consoles of any type. (It is possible, although unlikely,
|
|
476 that two consoles of different types could have the same connection
|
|
477 name; in such a case, the first console found is returned.)
|
|
478 */
|
|
479 (connection, type))
|
|
480 {
|
|
481 Lisp_Object canon = Qnil;
|
|
482 struct gcpro gcpro1;
|
|
483
|
|
484 GCPRO1 (canon);
|
|
485
|
|
486 if (!NILP (type))
|
|
487 {
|
|
488 struct console_methods *conmeths = decode_console_type (type, ERROR_ME);
|
|
489 canon = canonicalize_console_connection (conmeths, connection,
|
|
490 ERROR_ME_NOT);
|
|
491 if (UNBOUNDP (canon))
|
|
492 RETURN_UNGCPRO (Qnil);
|
|
493
|
|
494 RETURN_UNGCPRO (find_console_of_type (conmeths, canon));
|
|
495 }
|
|
496 else
|
|
497 {
|
|
498 int i;
|
|
499
|
|
500 for (i = 0; i < Dynarr_length (the_console_type_entry_dynarr); i++)
|
|
501 {
|
|
502 struct console_methods *conmeths =
|
|
503 Dynarr_at (the_console_type_entry_dynarr, i).meths;
|
|
504 canon = canonicalize_console_connection (conmeths, connection,
|
|
505 ERROR_ME_NOT);
|
|
506 if (!UNBOUNDP (canon))
|
|
507 {
|
|
508 Lisp_Object console = find_console_of_type (conmeths, canon);
|
|
509 if (!NILP (console))
|
|
510 RETURN_UNGCPRO (console);
|
|
511 }
|
|
512 }
|
|
513
|
|
514 RETURN_UNGCPRO (Qnil);
|
|
515 }
|
|
516 }
|
|
517
|
|
518 DEFUN ("get-console", Fget_console, 1, 2, 0, /*
|
|
519 Look for an existing console attached to connection CONNECTION.
|
|
520 Return the console if found; otherwise, signal an error.
|
|
521
|
|
522 If TYPE is specified, only return consoles of that type; otherwise,
|
|
523 return consoles of any type. (It is possible, although unlikely,
|
|
524 that two consoles of different types could have the same connection
|
|
525 name; in such a case, the first console found is returned.)
|
|
526 */
|
|
527 (connection, type))
|
|
528 {
|
|
529 Lisp_Object console = Ffind_console (connection, type);
|
|
530 if (NILP (console))
|
|
531 {
|
|
532 if (NILP (type))
|
563
|
533 invalid_argument ("No such console", connection);
|
428
|
534 else
|
563
|
535 invalid_argument_2 ("No such console", type, connection);
|
428
|
536 }
|
|
537 return console;
|
|
538 }
|
|
539
|
|
540 Lisp_Object
|
|
541 create_console (Lisp_Object name, Lisp_Object type, Lisp_Object connection,
|
|
542 Lisp_Object props)
|
|
543 {
|
|
544 /* This function can GC */
|
|
545 struct console *con;
|
|
546 Lisp_Object console;
|
|
547 struct gcpro gcpro1;
|
|
548
|
|
549 console = Ffind_console (connection, type);
|
|
550 if (!NILP (console))
|
|
551 return console;
|
|
552
|
1204
|
553 con = allocate_console (type);
|
793
|
554 console = wrap_console (con);
|
428
|
555
|
|
556 GCPRO1 (console);
|
|
557
|
|
558 CONSOLE_NAME (con) = name;
|
|
559 CONSOLE_CONNECTION (con) =
|
|
560 semi_canonicalize_console_connection (con->conmeths, connection,
|
|
561 ERROR_ME);
|
|
562 CONSOLE_CANON_CONNECTION (con) =
|
|
563 canonicalize_console_connection (con->conmeths, connection,
|
|
564 ERROR_ME);
|
|
565
|
|
566 MAYBE_CONMETH (con, init_console, (con, props));
|
|
567
|
|
568 /* Do it this way so that the console list is in order of creation */
|
|
569 Vconsole_list = nconc2 (Vconsole_list, Fcons (console, Qnil));
|
853
|
570 note_object_created (console);
|
428
|
571
|
440
|
572 if (CONMETH_OR_GIVEN (con, initially_selected_for_input, (con), 0))
|
428
|
573 event_stream_select_console (con);
|
|
574
|
|
575 UNGCPRO;
|
|
576 return console;
|
|
577 }
|
|
578
|
|
579 void
|
|
580 add_entry_to_console_type_list (Lisp_Object symbol,
|
|
581 struct console_methods *meths)
|
|
582 {
|
|
583 struct console_type_entry entry;
|
|
584
|
|
585 entry.symbol = symbol;
|
|
586 entry.meths = meths;
|
|
587 Dynarr_add (the_console_type_entry_dynarr, entry);
|
|
588 Vconsole_type_list = Fcons (symbol, Vconsole_type_list);
|
|
589 }
|
|
590
|
|
591 /* find a console other than the selected one. Prefer non-stream
|
|
592 consoles over stream consoles. */
|
|
593
|
|
594 static Lisp_Object
|
|
595 find_other_console (Lisp_Object console)
|
|
596 {
|
|
597 Lisp_Object concons;
|
|
598
|
|
599 /* look for a non-stream console */
|
|
600 CONSOLE_LOOP (concons)
|
|
601 {
|
|
602 Lisp_Object con = XCAR (concons);
|
|
603 if (!CONSOLE_STREAM_P (XCONSOLE (con))
|
|
604 && !EQ (con, console)
|
|
605 && !NILP (CONSOLE_SELECTED_DEVICE (XCONSOLE (con)))
|
|
606 && !NILP (DEVICE_SELECTED_FRAME
|
|
607 (XDEVICE (CONSOLE_SELECTED_DEVICE (XCONSOLE (con))))))
|
|
608 break;
|
|
609 }
|
|
610 if (!NILP (concons))
|
|
611 return XCAR (concons);
|
|
612
|
|
613 /* OK, now look for a stream console */
|
|
614 CONSOLE_LOOP (concons)
|
|
615 {
|
|
616 Lisp_Object con = XCAR (concons);
|
|
617 if (!EQ (con, console)
|
|
618 && !NILP (CONSOLE_SELECTED_DEVICE (XCONSOLE (con)))
|
|
619 && !NILP (DEVICE_SELECTED_FRAME
|
|
620 (XDEVICE (CONSOLE_SELECTED_DEVICE (XCONSOLE (con))))))
|
|
621 break;
|
|
622 }
|
|
623 if (!NILP (concons))
|
|
624 return XCAR (concons);
|
|
625
|
|
626 /* Sorry, there ain't none */
|
|
627 return Qnil;
|
|
628 }
|
|
629
|
|
630 static int
|
|
631 find_nonminibuffer_frame_not_on_console_predicate (Lisp_Object frame,
|
|
632 void *closure)
|
|
633 {
|
|
634 Lisp_Object console;
|
|
635
|
826
|
636 console = VOID_TO_LISP (closure);
|
428
|
637 if (FRAME_MINIBUF_ONLY_P (XFRAME (frame)))
|
|
638 return 0;
|
|
639 if (EQ (console, FRAME_CONSOLE (XFRAME (frame))))
|
|
640 return 0;
|
|
641 return 1;
|
|
642 }
|
|
643
|
|
644 static Lisp_Object
|
|
645 find_nonminibuffer_frame_not_on_console (Lisp_Object console)
|
|
646 {
|
|
647 return find_some_frame (find_nonminibuffer_frame_not_on_console_predicate,
|
|
648 LISP_TO_VOID (console));
|
|
649 }
|
|
650
|
617
|
651 static void
|
|
652 nuke_all_console_slots (struct console *con, Lisp_Object zap)
|
|
653 {
|
|
654 zero_lcrecord (con);
|
|
655
|
1204
|
656 #define MARKED_SLOT(x) con->x = zap;
|
617
|
657 #include "conslots.h"
|
|
658 }
|
|
659
|
428
|
660 /* Delete console CON.
|
|
661
|
|
662 If FORCE is non-zero, allow deletion of the only frame.
|
|
663
|
|
664 If CALLED_FROM_KILL_EMACS is non-zero, then, if
|
|
665 deleting the last console, just delete it,
|
|
666 instead of calling `save-buffers-kill-emacs'.
|
|
667
|
|
668 If FROM_IO_ERROR is non-zero, then the console is gone due
|
|
669 to an I/O error. This affects what happens if we exit
|
|
670 (we do an emergency exit instead of `save-buffers-kill-emacs'.)
|
|
671 */
|
|
672
|
|
673 void
|
|
674 delete_console_internal (struct console *con, int force,
|
|
675 int called_from_kill_emacs, int from_io_error)
|
|
676 {
|
|
677 /* This function can GC */
|
|
678 Lisp_Object console;
|
|
679 struct gcpro gcpro1;
|
|
680
|
|
681 /* OK to delete an already-deleted console. */
|
|
682 if (!CONSOLE_LIVE_P (con))
|
|
683 return;
|
|
684
|
793
|
685 console = wrap_console (con);
|
853
|
686
|
|
687 if (!force)
|
|
688 check_allowed_operation (OPERATION_DELETE_OBJECT, console, Qnil);
|
|
689
|
428
|
690 GCPRO1 (console);
|
|
691
|
|
692 if (!called_from_kill_emacs)
|
|
693 {
|
|
694 int down_we_go = 0;
|
|
695
|
|
696 if ((XINT (Flength (Vconsole_list)) == 1)
|
|
697 /* if we just created the console, it might not be listed,
|
|
698 or something ... */
|
|
699 && !NILP (memq_no_quit (console, Vconsole_list)))
|
|
700 down_we_go = 1;
|
|
701 /* If there aren't any nonminibuffer frames that would
|
|
702 be left, then exit. */
|
|
703 else if (NILP (find_nonminibuffer_frame_not_on_console (console)))
|
|
704 down_we_go = 1;
|
|
705
|
|
706 if (down_we_go)
|
|
707 {
|
|
708 if (!force)
|
563
|
709 invalid_operation ("Attempt to delete the only frame", Qunbound);
|
428
|
710 else if (from_io_error)
|
|
711 {
|
|
712 /* Mayday mayday! We're going down! */
|
|
713 stderr_out (" Autosaving and exiting...\n");
|
|
714 Vwindow_system = Qnil; /* let it lie! */
|
|
715 preparing_for_armageddon = 1;
|
|
716 Fkill_emacs (make_int (70));
|
|
717 }
|
|
718 else
|
|
719 {
|
|
720 call0 (Qsave_buffers_kill_emacs);
|
|
721 UNGCPRO;
|
|
722 /* If we get here, the user said they didn't want
|
|
723 to exit, so don't. */
|
|
724 return;
|
|
725 }
|
|
726 }
|
|
727 }
|
|
728
|
|
729 /* Breathe a sigh of relief. We're still alive. */
|
|
730
|
|
731 {
|
|
732 Lisp_Object frmcons, devcons;
|
|
733
|
|
734 /* First delete all frames without their own minibuffers,
|
|
735 to avoid errors coming from attempting to delete a frame
|
|
736 that is a surrogate for another frame.
|
|
737
|
|
738 We don't set "called_from_delete_console" because we want the
|
|
739 device to go ahead and get deleted if we delete the last frame
|
|
740 on a device. We won't run into trouble here because for any
|
|
741 frame without a minibuffer, there has to be another one on
|
|
742 the same console with a minibuffer, and we're not deleting that,
|
|
743 so delete_console_internal() won't get recursively called.
|
|
744
|
|
745 WRONG! With surrogate minibuffers this isn't true. Frames
|
|
746 with only a minibuffer are not enough to prevent
|
|
747 delete_frame_internal from triggering a device deletion. */
|
|
748 CONSOLE_FRAME_LOOP_NO_BREAK (frmcons, devcons, con)
|
|
749 {
|
|
750 struct frame *f = XFRAME (XCAR (frmcons));
|
|
751 /* delete_frame_internal() might do anything such as run hooks,
|
|
752 so be defensive. */
|
|
753 if (FRAME_LIVE_P (f) && !FRAME_HAS_MINIBUF_P (f))
|
|
754 delete_frame_internal (f, 1, 1, from_io_error);
|
|
755
|
|
756 if (!CONSOLE_LIVE_P (con)) /* make sure the delete-*-hook didn't
|
|
757 go ahead and delete anything */
|
|
758 {
|
|
759 UNGCPRO;
|
|
760 return;
|
|
761 }
|
|
762 }
|
|
763
|
|
764 CONSOLE_DEVICE_LOOP (devcons, con)
|
|
765 {
|
|
766 struct device *d = XDEVICE (XCAR (devcons));
|
|
767 /* delete_device_internal() might do anything such as run hooks,
|
|
768 so be defensive. */
|
|
769 if (DEVICE_LIVE_P (d))
|
|
770 delete_device_internal (d, 1, 1, from_io_error);
|
|
771 if (!CONSOLE_LIVE_P (con)) /* make sure the delete-*-hook didn't
|
|
772 go ahead and delete anything */
|
|
773 {
|
|
774 UNGCPRO;
|
|
775 return;
|
|
776 }
|
|
777 }
|
|
778 }
|
|
779
|
|
780 CONSOLE_SELECTED_DEVICE (con) = Qnil;
|
|
781
|
|
782 /* try to select another console */
|
|
783
|
|
784 if (EQ (console, Fselected_console ()))
|
|
785 {
|
|
786 Lisp_Object other_dev = find_other_console (console);
|
|
787 if (!NILP (other_dev))
|
|
788 Fselect_console (other_dev);
|
|
789 else
|
|
790 {
|
|
791 /* necessary? */
|
|
792 Vselected_console = Qnil;
|
|
793 Vwindow_system = Qnil;
|
|
794 }
|
|
795 }
|
|
796
|
|
797 if (con->input_enabled)
|
|
798 event_stream_unselect_console (con);
|
|
799
|
|
800 MAYBE_CONMETH (con, delete_console, (con));
|
|
801
|
|
802 Vconsole_list = delq_no_quit (console, Vconsole_list);
|
617
|
803
|
428
|
804 RESET_CHANGED_SET_FLAGS;
|
617
|
805
|
|
806 /* Nobody should be accessing anything in this object any more, and
|
|
807 making all Lisp_Objects Qnil allows for better GC'ing in case a
|
|
808 pointer to the dead console continues to hang around. Zero all
|
|
809 other structs in case someone tries to access something through
|
|
810 them. */
|
|
811 nuke_all_console_slots (con, Qnil);
|
428
|
812 con->conmeths = dead_console_methods;
|
1204
|
813 con->contype = dead_console;
|
853
|
814 note_object_deleted (console);
|
428
|
815
|
|
816 UNGCPRO;
|
|
817 }
|
|
818
|
|
819 void
|
|
820 io_error_delete_console (Lisp_Object console)
|
|
821 {
|
|
822 delete_console_internal (XCONSOLE (console), 1, 0, 1);
|
|
823 }
|
|
824
|
|
825 DEFUN ("delete-console", Fdelete_console, 1, 2, 0, /*
|
|
826 Delete CONSOLE, permanently eliminating it from use.
|
|
827 Normally, you cannot delete the last non-minibuffer-only frame (you must
|
|
828 use `save-buffers-kill-emacs' or `kill-emacs'). However, if optional
|
|
829 second argument FORCE is non-nil, you can delete the last frame. (This
|
|
830 will automatically call `save-buffers-kill-emacs'.)
|
|
831 */
|
|
832 (console, force))
|
|
833 {
|
|
834 CHECK_CONSOLE (console);
|
|
835 delete_console_internal (XCONSOLE (console), !NILP (force), 0, 0);
|
|
836 return Qnil;
|
|
837 }
|
|
838
|
|
839 DEFUN ("console-list", Fconsole_list, 0, 0, 0, /*
|
|
840 Return a list of all consoles.
|
|
841 */
|
|
842 ())
|
|
843 {
|
|
844 return Fcopy_sequence (Vconsole_list);
|
|
845 }
|
|
846
|
|
847 DEFUN ("console-device-list", Fconsole_device_list, 0, 1, 0, /*
|
|
848 Return a list of all devices on CONSOLE.
|
444
|
849 If CONSOLE is nil, the selected console is used.
|
428
|
850 */
|
|
851 (console))
|
|
852 {
|
|
853 return Fcopy_sequence (CONSOLE_DEVICE_LIST (decode_console (console)));
|
|
854 }
|
|
855
|
|
856 DEFUN ("console-enable-input", Fconsole_enable_input, 1, 1, 0, /*
|
|
857 Enable input on console CONSOLE.
|
|
858 */
|
|
859 (console))
|
|
860 {
|
|
861 struct console *con = decode_console (console);
|
|
862 if (!con->input_enabled)
|
|
863 event_stream_select_console (con);
|
|
864 return Qnil;
|
|
865 }
|
|
866
|
|
867 DEFUN ("console-disable-input", Fconsole_disable_input, 1, 1, 0, /*
|
|
868 Disable input on console CONSOLE.
|
|
869 */
|
|
870 (console))
|
|
871 {
|
|
872 struct console *con = decode_console (console);
|
|
873 if (con->input_enabled)
|
|
874 event_stream_unselect_console (con);
|
|
875 return Qnil;
|
|
876 }
|
|
877
|
|
878 DEFUN ("console-on-window-system-p", Fconsole_on_window_system_p, 0, 1, 0, /*
|
444
|
879 Return t if CONSOLE is on a window system.
|
|
880 If CONSOLE is nil, the selected console is used.
|
428
|
881 This generally means that there is support for the mouse, the menubar,
|
|
882 the toolbar, glyphs, etc.
|
|
883 */
|
|
884 (console))
|
|
885 {
|
|
886 Lisp_Object type = CONSOLE_TYPE (decode_console (console));
|
|
887
|
|
888 return !EQ (type, Qtty) && !EQ (type, Qstream) ? Qt : Qnil;
|
|
889 }
|
|
890
|
|
891
|
|
892
|
|
893 /**********************************************************************/
|
|
894 /* Miscellaneous low-level functions */
|
|
895 /**********************************************************************/
|
|
896
|
|
897 static Lisp_Object
|
|
898 unwind_init_sys_modes (Lisp_Object console)
|
|
899 {
|
|
900 reinit_initial_console ();
|
|
901
|
|
902 if (!no_redraw_on_reenter &&
|
|
903 CONSOLEP (console) &&
|
|
904 CONSOLE_LIVE_P (XCONSOLE (console)))
|
|
905 {
|
|
906 struct frame *f =
|
|
907 XFRAME (DEVICE_SELECTED_FRAME
|
|
908 (XDEVICE (CONSOLE_SELECTED_DEVICE (XCONSOLE (console)))));
|
|
909 MARK_FRAME_CHANGED (f);
|
|
910 }
|
|
911 return Qnil;
|
|
912 }
|
|
913
|
|
914 DEFUN ("suspend-emacs", Fsuspend_emacs, 0, 1, "", /*
|
|
915 Stop Emacs and return to superior process. You can resume later.
|
|
916 On systems that don't have job control, run a subshell instead.
|
|
917
|
|
918 If optional arg STUFFSTRING is non-nil, its characters are stuffed
|
|
919 to be read as terminal input by Emacs's superior shell.
|
|
920
|
|
921 Before suspending, run the normal hook `suspend-hook'.
|
|
922 After resumption run the normal hook `suspend-resume-hook'.
|
|
923
|
|
924 Some operating systems cannot stop the Emacs process and resume it later.
|
|
925 On such systems, Emacs will start a subshell and wait for it to exit.
|
|
926 */
|
|
927 (stuffstring))
|
|
928 {
|
|
929 int speccount = specpdl_depth ();
|
|
930 struct gcpro gcpro1;
|
|
931
|
|
932 if (!NILP (stuffstring))
|
|
933 CHECK_STRING (stuffstring);
|
|
934 GCPRO1 (stuffstring);
|
|
935
|
|
936 /* There used to be a check that the initial console is TTY.
|
|
937 This is bogus. Even checking to see whether any console
|
|
938 is a controlling terminal is not correct -- maybe
|
|
939 the user used the -t option or something. If we want to
|
|
940 suspend, then we suspend. Period. */
|
|
941
|
|
942 /* Call value of suspend-hook. */
|
|
943 run_hook (Qsuspend_hook);
|
|
944
|
|
945 reset_initial_console ();
|
|
946 /* sys_suspend can get an error if it tries to fork a subshell
|
|
947 and the system resources aren't available for that. */
|
|
948 record_unwind_protect (unwind_init_sys_modes, Vcontrolling_terminal);
|
|
949 stuff_buffered_input (stuffstring);
|
|
950 sys_suspend ();
|
|
951 /* the console is un-reset inside of the unwind-protect. */
|
771
|
952 unbind_to (speccount);
|
428
|
953
|
|
954 #ifdef SIGWINCH
|
|
955 /* It is possible that a size change occurred while we were
|
|
956 suspended. Assume one did just to be safe. It won't hurt
|
|
957 anything if one didn't. */
|
|
958 asynch_device_change_pending++;
|
|
959 #endif
|
|
960
|
|
961 /* Call value of suspend-resume-hook
|
|
962 if it is bound and value is non-nil. */
|
|
963 run_hook (Qsuspend_resume_hook);
|
|
964
|
|
965 UNGCPRO;
|
|
966 return Qnil;
|
|
967 }
|
|
968
|
|
969 /* If STUFFSTRING is a string, stuff its contents as pending terminal input.
|
|
970 Then in any case stuff anything Emacs has read ahead and not used. */
|
|
971
|
|
972 void
|
|
973 stuff_buffered_input (Lisp_Object stuffstring)
|
|
974 {
|
|
975 /* stuff_char works only in BSD, versions 4.2 and up. */
|
|
976 #if defined (BSD)
|
|
977 if (!CONSOLEP (Vcontrolling_terminal) ||
|
|
978 !CONSOLE_LIVE_P (XCONSOLE (Vcontrolling_terminal)))
|
|
979 return;
|
|
980
|
|
981 if (STRINGP (stuffstring))
|
|
982 {
|
665
|
983 Bytecount count;
|
428
|
984 Extbyte *p;
|
|
985
|
440
|
986 TO_EXTERNAL_FORMAT (LISP_STRING, stuffstring,
|
|
987 ALLOCA, (p, count),
|
|
988 Qkeyboard);
|
428
|
989 while (count-- > 0)
|
|
990 stuff_char (XCONSOLE (Vcontrolling_terminal), *p++);
|
|
991 stuff_char (XCONSOLE (Vcontrolling_terminal), '\n');
|
|
992 }
|
|
993 /* Anything we have read ahead, put back for the shell to read. */
|
|
994 # if 0 /* oh, who cares about this silliness */
|
|
995 while (kbd_fetch_ptr != kbd_store_ptr)
|
|
996 {
|
|
997 if (kbd_fetch_ptr == kbd_buffer + KBD_BUFFER_SIZE)
|
|
998 kbd_fetch_ptr = kbd_buffer;
|
|
999 stuff_char (XCONSOLE (Vcontrolling_terminal), *kbd_fetch_ptr++);
|
|
1000 }
|
|
1001 # endif
|
|
1002 #endif /* BSD */
|
|
1003 }
|
|
1004
|
|
1005 DEFUN ("suspend-console", Fsuspend_console, 0, 1, "", /*
|
|
1006 Suspend a console. For tty consoles, it sends a signal to suspend
|
|
1007 the process in charge of the tty, and removes the devices and
|
|
1008 frames of that console from the display.
|
|
1009
|
|
1010 If optional arg CONSOLE is non-nil, it is the console to be suspended.
|
|
1011 Otherwise it is assumed to be the selected console.
|
|
1012
|
|
1013 Some operating systems cannot stop processes and resume them later.
|
|
1014 On such systems, who knows what will happen.
|
|
1015 */
|
|
1016 (console))
|
|
1017 {
|
|
1018 #ifdef HAVE_TTY
|
|
1019 struct console *con = decode_console (console);
|
|
1020
|
|
1021 if (CONSOLE_TTY_P (con))
|
|
1022 {
|
|
1023 /*
|
|
1024 * hide all the unhidden frames so the display code won't update
|
|
1025 * them while the console is suspended.
|
|
1026 */
|
|
1027 Lisp_Object device = CONSOLE_SELECTED_DEVICE (con);
|
|
1028 if (!NILP (device))
|
|
1029 {
|
|
1030 struct device *d = XDEVICE (device);
|
|
1031 Lisp_Object frame_list = DEVICE_FRAME_LIST (d);
|
|
1032 while (CONSP (frame_list))
|
|
1033 {
|
|
1034 struct frame *f = XFRAME (XCAR (frame_list));
|
|
1035 if (FRAME_REPAINT_P (f))
|
|
1036 f->visible = -1;
|
|
1037 frame_list = XCDR (frame_list);
|
|
1038 }
|
|
1039 }
|
|
1040 reset_one_console (con);
|
|
1041 event_stream_unselect_console (con);
|
|
1042 sys_suspend_process (XINT (Fconsole_tty_controlling_process (console)));
|
|
1043 }
|
|
1044 #endif /* HAVE_TTY */
|
|
1045
|
|
1046 return Qnil;
|
|
1047 }
|
|
1048
|
|
1049 DEFUN ("resume-console", Fresume_console, 1, 1, "", /*
|
|
1050 Re-initialize a previously suspended console.
|
|
1051 For tty consoles, do stuff to the tty to make it sane again.
|
|
1052 */
|
|
1053 (console))
|
|
1054 {
|
|
1055 #ifdef HAVE_TTY
|
|
1056 struct console *con = decode_console (console);
|
|
1057
|
|
1058 if (CONSOLE_TTY_P (con))
|
|
1059 {
|
|
1060 /* raise the selected frame */
|
|
1061 Lisp_Object device = CONSOLE_SELECTED_DEVICE (con);
|
|
1062 if (!NILP (device))
|
|
1063 {
|
|
1064 struct device *d = XDEVICE (device);
|
|
1065 Lisp_Object frame = DEVICE_SELECTED_FRAME (d);
|
|
1066 if (!NILP (frame))
|
|
1067 {
|
|
1068 /* force the frame to be cleared */
|
|
1069 SET_FRAME_CLEAR (XFRAME (frame));
|
|
1070 Fraise_frame (frame);
|
|
1071 }
|
|
1072 }
|
|
1073 init_one_console (con);
|
|
1074 event_stream_select_console (con);
|
|
1075 #ifdef SIGWINCH
|
|
1076 /* The same as in Fsuspend_emacs: it is possible that a size
|
|
1077 change occurred while we were suspended. Assume one did just
|
|
1078 to be safe. It won't hurt anything if one didn't. */
|
|
1079 asynch_device_change_pending++;
|
|
1080 #endif
|
|
1081 }
|
|
1082 #endif /* HAVE_TTY */
|
|
1083
|
|
1084 return Qnil;
|
|
1085 }
|
|
1086
|
|
1087 DEFUN ("set-input-mode", Fset_input_mode, 3, 5, 0, /*
|
|
1088 Set mode of reading keyboard input.
|
1204
|
1089 First arg (formerly INTERRUPT-INPUT) is ignored, for backward compatibility.
|
428
|
1090 Second arg FLOW non-nil means use ^S/^Q flow control for output to terminal
|
|
1091 (no effect except in CBREAK mode).
|
|
1092 Third arg META t means accept 8-bit input (for a Meta key).
|
|
1093 META nil means ignore the top bit, on the assumption it is parity.
|
|
1094 Otherwise, accept 8-bit input and don't use the top bit for Meta.
|
|
1095 First three arguments only apply to TTY consoles.
|
|
1096 Optional fourth arg QUIT if non-nil specifies character to use for quitting.
|
|
1097 Optional fifth arg CONSOLE specifies console to make changes to; nil means
|
|
1098 the selected console.
|
|
1099 See also `current-input-mode'.
|
|
1100 */
|
|
1101 (ignored, flow, meta, quit, console))
|
|
1102 {
|
|
1103 struct console *con = decode_console (console);
|
|
1104 int meta_key = (!CONSOLE_TTY_P (con) ? 1 :
|
|
1105 EQ (meta, Qnil) ? 0 :
|
|
1106 EQ (meta, Qt) ? 1 :
|
|
1107 2);
|
|
1108
|
|
1109 if (!NILP (quit))
|
|
1110 {
|
1204
|
1111 if (CHAR_OR_CHAR_INTP (quit) && !meta_key)
|
|
1112 set_quit_events (con, make_char (XCHAR_OR_CHAR_INT (quit) & 0177));
|
|
1113 else
|
|
1114 set_quit_events (con, quit);
|
428
|
1115 }
|
|
1116
|
|
1117 #ifdef HAVE_TTY
|
|
1118 if (CONSOLE_TTY_P (con))
|
|
1119 {
|
|
1120 reset_one_console (con);
|
|
1121 TTY_FLAGS (con).flow_control = !NILP (flow);
|
|
1122 TTY_FLAGS (con).meta_key = meta_key;
|
|
1123 init_one_console (con);
|
444
|
1124 MARK_FRAME_CHANGED (XFRAME (CONSOLE_SELECTED_FRAME (con)));
|
428
|
1125 }
|
|
1126 #endif
|
|
1127
|
|
1128 return Qnil;
|
|
1129 }
|
|
1130
|
|
1131 DEFUN ("current-input-mode", Fcurrent_input_mode, 0, 1, 0, /*
|
|
1132 Return information about the way Emacs currently reads keyboard input.
|
|
1133 Optional arg CONSOLE specifies console to return information about; nil means
|
|
1134 the selected console.
|
|
1135 The value is a list of the form (nil FLOW META QUIT), where
|
|
1136 FLOW is non-nil if Emacs uses ^S/^Q flow control for output to the
|
|
1137 terminal; this does not apply if Emacs uses interrupt-driven input.
|
|
1138 META is t if accepting 8-bit input with 8th bit as Meta flag.
|
|
1139 META nil means ignoring the top bit, on the assumption it is parity.
|
|
1140 META is neither t nor nil if accepting 8-bit input and using
|
|
1141 all 8 bits as the character code.
|
|
1142 QUIT is the character Emacs currently uses to quit.
|
|
1143 FLOW, and META are only meaningful for TTY consoles.
|
|
1144 The elements of this list correspond to the arguments of
|
|
1145 `set-input-mode'.
|
|
1146 */
|
|
1147 (console))
|
|
1148 {
|
|
1149 struct console *con = decode_console (console);
|
1204
|
1150 Lisp_Object flow, meta;
|
428
|
1151
|
|
1152 #ifdef HAVE_TTY
|
|
1153 flow = CONSOLE_TTY_P (con) && TTY_FLAGS (con).flow_control ? Qt : Qnil;
|
|
1154 meta = (!CONSOLE_TTY_P (con) ? Qt :
|
|
1155 TTY_FLAGS (con).meta_key == 1 ? Qt :
|
|
1156 TTY_FLAGS (con).meta_key == 2 ? Qzero :
|
|
1157 Qnil);
|
|
1158 #else
|
|
1159 flow = Qnil;
|
|
1160 meta = Qt;
|
|
1161 #endif
|
|
1162
|
1204
|
1163 return list4 (Qnil, flow, meta, CONSOLE_QUIT_CHAR (con));
|
428
|
1164 }
|
|
1165
|
|
1166
|
|
1167 /************************************************************************/
|
|
1168 /* initialization */
|
|
1169 /************************************************************************/
|
|
1170
|
|
1171 void
|
|
1172 syms_of_console (void)
|
|
1173 {
|
442
|
1174 INIT_LRECORD_IMPLEMENTATION (console);
|
|
1175
|
428
|
1176 DEFSUBR (Fvalid_console_type_p);
|
|
1177 DEFSUBR (Fconsole_type_list);
|
|
1178 DEFSUBR (Fcdfw_console);
|
|
1179 DEFSUBR (Fselected_console);
|
|
1180 DEFSUBR (Fselect_console);
|
|
1181 DEFSUBR (Fconsolep);
|
|
1182 DEFSUBR (Fconsole_live_p);
|
|
1183 DEFSUBR (Fconsole_type);
|
|
1184 DEFSUBR (Fconsole_name);
|
|
1185 DEFSUBR (Fconsole_connection);
|
|
1186 DEFSUBR (Ffind_console);
|
|
1187 DEFSUBR (Fget_console);
|
|
1188 DEFSUBR (Fdelete_console);
|
|
1189 DEFSUBR (Fconsole_list);
|
|
1190 DEFSUBR (Fconsole_device_list);
|
|
1191 DEFSUBR (Fconsole_enable_input);
|
|
1192 DEFSUBR (Fconsole_disable_input);
|
|
1193 DEFSUBR (Fconsole_on_window_system_p);
|
|
1194 DEFSUBR (Fsuspend_console);
|
|
1195 DEFSUBR (Fresume_console);
|
|
1196
|
|
1197 DEFSUBR (Fsuspend_emacs);
|
|
1198 DEFSUBR (Fset_input_mode);
|
|
1199 DEFSUBR (Fcurrent_input_mode);
|
|
1200
|
563
|
1201 DEFSYMBOL (Qconsolep);
|
|
1202 DEFSYMBOL (Qconsole_live_p);
|
428
|
1203
|
563
|
1204 DEFSYMBOL (Qcreate_console_hook);
|
|
1205 DEFSYMBOL (Qdelete_console_hook);
|
428
|
1206
|
563
|
1207 DEFSYMBOL (Qsuspend_hook);
|
|
1208 DEFSYMBOL (Qsuspend_resume_hook);
|
428
|
1209 }
|
|
1210
|
1204
|
1211 static const struct memory_description cte_description_1[] = {
|
440
|
1212 { XD_LISP_OBJECT, offsetof (console_type_entry, symbol) },
|
|
1213 { XD_STRUCT_PTR, offsetof (console_type_entry, meths), 1, &console_methods_description },
|
428
|
1214 { XD_END }
|
|
1215 };
|
|
1216
|
1204
|
1217 static const struct sized_memory_description cte_description = {
|
440
|
1218 sizeof (console_type_entry),
|
428
|
1219 cte_description_1
|
|
1220 };
|
|
1221
|
1204
|
1222 static const struct memory_description cted_description_1[] = {
|
440
|
1223 XD_DYNARR_DESC (console_type_entry_dynarr, &cte_description),
|
428
|
1224 { XD_END }
|
|
1225 };
|
|
1226
|
1204
|
1227 const struct sized_memory_description cted_description = {
|
440
|
1228 sizeof (console_type_entry_dynarr),
|
428
|
1229 cted_description_1
|
|
1230 };
|
|
1231
|
1204
|
1232 static const struct memory_description console_methods_description_1[] = {
|
440
|
1233 { XD_LISP_OBJECT, offsetof (struct console_methods, symbol) },
|
|
1234 { XD_LISP_OBJECT, offsetof (struct console_methods, predicate_symbol) },
|
|
1235 { XD_LISP_OBJECT, offsetof (struct console_methods, image_conversion_list) },
|
428
|
1236 { XD_END }
|
|
1237 };
|
|
1238
|
1204
|
1239 const struct sized_memory_description console_methods_description = {
|
440
|
1240 sizeof (struct console_methods),
|
428
|
1241 console_methods_description_1
|
|
1242 };
|
|
1243
|
|
1244
|
|
1245 void
|
|
1246 console_type_create (void)
|
|
1247 {
|
|
1248 the_console_type_entry_dynarr = Dynarr_new (console_type_entry);
|
452
|
1249 dump_add_root_struct_ptr (&the_console_type_entry_dynarr, &cted_description);
|
428
|
1250
|
|
1251 Vconsole_type_list = Qnil;
|
|
1252 staticpro (&Vconsole_type_list);
|
|
1253
|
|
1254 /* Initialize the dead console type */
|
|
1255 INITIALIZE_CONSOLE_TYPE (dead, "dead", "console-dead-p");
|
|
1256
|
|
1257 /* then reset the console-type lists, because `dead' is not really
|
|
1258 a valid console type */
|
|
1259 Dynarr_reset (the_console_type_entry_dynarr);
|
|
1260 Vconsole_type_list = Qnil;
|
|
1261 }
|
|
1262
|
|
1263 void
|
|
1264 reinit_vars_of_console (void)
|
|
1265 {
|
|
1266 staticpro_nodump (&Vconsole_list);
|
|
1267 Vconsole_list = Qnil;
|
|
1268 staticpro_nodump (&Vselected_console);
|
|
1269 Vselected_console = Qnil;
|
|
1270 }
|
|
1271
|
|
1272 void
|
|
1273 vars_of_console (void)
|
|
1274 {
|
|
1275 reinit_vars_of_console ();
|
|
1276
|
|
1277 DEFVAR_LISP ("create-console-hook", &Vcreate_console_hook /*
|
|
1278 Function or functions to call when a console is created.
|
|
1279 One argument, the newly-created console.
|
|
1280 This is called after the first frame has been created, but before
|
|
1281 calling the `create-device-hook' or `create-frame-hook'.
|
|
1282 Note that in general the console will not be selected.
|
|
1283 */ );
|
|
1284 Vcreate_console_hook = Qnil;
|
|
1285
|
|
1286 DEFVAR_LISP ("delete-console-hook", &Vdelete_console_hook /*
|
|
1287 Function or functions to call when a console is deleted.
|
|
1288 One argument, the to-be-deleted console.
|
|
1289 */ );
|
|
1290 Vdelete_console_hook = Qnil;
|
|
1291
|
|
1292 #ifdef HAVE_WINDOW_SYSTEM
|
|
1293 Fprovide (intern ("window-system"));
|
|
1294 #endif
|
|
1295 }
|
|
1296
|
643
|
1297 /* The docstrings for DEFVAR_* are recorded externally by make-docfile. */
|
617
|
1298 #define DEFVAR_CONSOLE_LOCAL_1(lname, field_name, forward_type, magicfun) \
|
|
1299 do { \
|
|
1300 static const struct symbol_value_forward I_hate_C = \
|
|
1301 { /* struct symbol_value_forward */ \
|
|
1302 { /* struct symbol_value_magic */ \
|
|
1303 { /* struct lcrecord_header */ \
|
|
1304 { /* struct lrecord_header */ \
|
|
1305 lrecord_type_symbol_value_forward, /* lrecord_type_index */ \
|
|
1306 1, /* mark bit */ \
|
|
1307 1, /* c_readonly bit */ \
|
|
1308 1 /* lisp_readonly bit */ \
|
|
1309 }, \
|
|
1310 0, /* next */ \
|
|
1311 0, /* uid */ \
|
|
1312 0 /* free */ \
|
|
1313 }, \
|
|
1314 &(console_local_flags.field_name), \
|
|
1315 forward_type \
|
|
1316 }, \
|
|
1317 magicfun \
|
|
1318 }; \
|
|
1319 \
|
|
1320 { \
|
|
1321 int offset = ((char *)symbol_value_forward_forward (&I_hate_C) \
|
|
1322 - (char *)&console_local_flags); \
|
|
1323 \
|
|
1324 defvar_magic (lname, &I_hate_C); \
|
|
1325 \
|
|
1326 *((Lisp_Object *)(offset + (char *)XCONSOLE (Vconsole_local_symbols))) \
|
|
1327 = intern (lname); \
|
|
1328 } \
|
428
|
1329 } while (0)
|
|
1330
|
|
1331 #define DEFVAR_CONSOLE_LOCAL_MAGIC(lname, field_name, magicfun) \
|
|
1332 DEFVAR_CONSOLE_LOCAL_1 (lname, field_name, \
|
|
1333 SYMVAL_SELECTED_CONSOLE_FORWARD, magicfun)
|
|
1334 #define DEFVAR_CONSOLE_LOCAL(lname, field_name) \
|
|
1335 DEFVAR_CONSOLE_LOCAL_MAGIC (lname, field_name, 0)
|
|
1336 #define DEFVAR_CONST_CONSOLE_LOCAL_MAGIC(lname, field_name, magicfun) \
|
|
1337 DEFVAR_CONSOLE_LOCAL_1 (lname, field_name, \
|
|
1338 SYMVAL_CONST_SELECTED_CONSOLE_FORWARD, magicfun)
|
|
1339 #define DEFVAR_CONST_CONSOLE_LOCAL(lname, field_name) \
|
|
1340 DEFVAR_CONST_CONSOLE_LOCAL_MAGIC (lname, field_name, 0)
|
|
1341
|
|
1342 #define DEFVAR_CONSOLE_DEFAULTS_MAGIC(lname, field_name, magicfun) \
|
|
1343 DEFVAR_SYMVAL_FWD(lname, &(console_local_flags.field_name), \
|
|
1344 SYMVAL_DEFAULT_CONSOLE_FORWARD, magicfun)
|
|
1345 #define DEFVAR_CONSOLE_DEFAULTS(lname, field_name) \
|
|
1346 DEFVAR_CONSOLE_DEFAULTS_MAGIC (lname, field_name, 0)
|
|
1347
|
|
1348 static void
|
|
1349 common_init_complex_vars_of_console (void)
|
|
1350 {
|
|
1351 /* Make sure all markable slots in console_defaults
|
|
1352 are initialized reasonably, so mark_console won't choke.
|
|
1353 */
|
|
1354 struct console *defs = alloc_lcrecord_type (struct console, &lrecord_console);
|
|
1355 struct console *syms = alloc_lcrecord_type (struct console, &lrecord_console);
|
|
1356
|
|
1357 staticpro_nodump (&Vconsole_defaults);
|
|
1358 staticpro_nodump (&Vconsole_local_symbols);
|
793
|
1359 Vconsole_defaults = wrap_console (defs);
|
|
1360 Vconsole_local_symbols = wrap_console (syms);
|
428
|
1361
|
|
1362 nuke_all_console_slots (syms, Qnil);
|
|
1363 nuke_all_console_slots (defs, Qnil);
|
|
1364
|
|
1365 /* Set up the non-nil default values of various console slots.
|
|
1366 Must do these before making the first console.
|
|
1367 */
|
1204
|
1368
|
|
1369 /* ... Nothing here for the moment.
|
|
1370 #### Console-local variables should probably be eliminated.*/
|
428
|
1371
|
|
1372 {
|
|
1373 /* 0 means var is always local. Default used only at creation.
|
|
1374 * -1 means var is always local. Default used only at reset and
|
|
1375 * creation.
|
|
1376 * -2 means there's no lisp variable corresponding to this slot
|
|
1377 * and the default is only used at creation.
|
|
1378 * -3 means no Lisp variable. Default used only at reset and creation.
|
|
1379 * >0 is mask. Var is local if ((console->local_var_flags & mask) != 0)
|
|
1380 * Otherwise default is used.
|
|
1381 *
|
|
1382 * #### We don't currently ever reset console variables, so there
|
|
1383 * is no current distinction between 0 and -1, and between -2 and -3.
|
|
1384 */
|
|
1385 Lisp_Object always_local_resettable = make_int (-1);
|
|
1386
|
|
1387 #if 0 /* not used */
|
|
1388 Lisp_Object always_local_no_default = make_int (0);
|
|
1389 Lisp_Object resettable = make_int (-3);
|
|
1390 #endif
|
|
1391
|
|
1392 /* Assign the local-flags to the slots that have default values.
|
|
1393 The local flag is a bit that is used in the console
|
|
1394 to say that it has its own local value for the slot.
|
|
1395 The local flag bits are in the local_var_flags slot of the
|
|
1396 console. */
|
|
1397
|
|
1398 nuke_all_console_slots (&console_local_flags, make_int (-2));
|
|
1399 console_local_flags.defining_kbd_macro = always_local_resettable;
|
|
1400 console_local_flags.last_kbd_macro = always_local_resettable;
|
|
1401 console_local_flags.prefix_arg = always_local_resettable;
|
|
1402 console_local_flags.default_minibuffer_frame = always_local_resettable;
|
|
1403 console_local_flags.overriding_terminal_local_map =
|
|
1404 always_local_resettable;
|
|
1405 #ifdef HAVE_TTY
|
|
1406 console_local_flags.tty_erase_char = always_local_resettable;
|
|
1407 #endif
|
|
1408
|
|
1409 console_local_flags.function_key_map = make_int (1);
|
|
1410
|
|
1411 /* #### Warning, 0x4000000 (that's six zeroes) is the largest number
|
|
1412 currently allowable due to the XINT() handling of this value.
|
|
1413 With some rearrangement you can get 4 more bits. */
|
|
1414 }
|
|
1415 }
|
|
1416
|
|
1417
|
|
1418 #define CONSOLE_SLOTS_SIZE (offsetof (struct console, CONSOLE_SLOTS_LAST_NAME) - offsetof (struct console, CONSOLE_SLOTS_FIRST_NAME) + sizeof (Lisp_Object))
|
|
1419 #define CONSOLE_SLOTS_COUNT (CONSOLE_SLOTS_SIZE / sizeof (Lisp_Object))
|
|
1420
|
|
1421 void
|
771
|
1422 reinit_complex_vars_of_console_runtime_only (void)
|
428
|
1423 {
|
|
1424 struct console *defs, *syms;
|
|
1425
|
|
1426 common_init_complex_vars_of_console ();
|
|
1427
|
|
1428 defs = XCONSOLE (Vconsole_defaults);
|
|
1429 syms = XCONSOLE (Vconsole_local_symbols);
|
|
1430 memcpy (&defs->CONSOLE_SLOTS_FIRST_NAME,
|
|
1431 console_defaults_saved_slots,
|
|
1432 CONSOLE_SLOTS_SIZE);
|
|
1433 memcpy (&syms->CONSOLE_SLOTS_FIRST_NAME,
|
|
1434 console_local_symbols_saved_slots,
|
|
1435 CONSOLE_SLOTS_SIZE);
|
|
1436 }
|
|
1437
|
|
1438
|
1204
|
1439 static const struct memory_description console_slots_description_1[] = {
|
440
|
1440 { XD_LISP_OBJECT_ARRAY, 0, CONSOLE_SLOTS_COUNT },
|
428
|
1441 { XD_END }
|
|
1442 };
|
|
1443
|
1204
|
1444 static const struct sized_memory_description console_slots_description = {
|
428
|
1445 CONSOLE_SLOTS_SIZE,
|
|
1446 console_slots_description_1
|
|
1447 };
|
|
1448
|
|
1449 void
|
|
1450 complex_vars_of_console (void)
|
|
1451 {
|
|
1452 struct console *defs, *syms;
|
|
1453
|
|
1454 common_init_complex_vars_of_console ();
|
|
1455
|
|
1456 defs = XCONSOLE (Vconsole_defaults);
|
|
1457 syms = XCONSOLE (Vconsole_local_symbols);
|
|
1458 console_defaults_saved_slots = &defs->CONSOLE_SLOTS_FIRST_NAME;
|
|
1459 console_local_symbols_saved_slots = &syms->CONSOLE_SLOTS_FIRST_NAME;
|
452
|
1460 dump_add_root_struct_ptr (&console_defaults_saved_slots, &console_slots_description);
|
|
1461 dump_add_root_struct_ptr (&console_local_symbols_saved_slots, &console_slots_description);
|
428
|
1462
|
|
1463 DEFVAR_CONSOLE_DEFAULTS ("default-function-key-map", function_key_map /*
|
|
1464 Default value of `function-key-map' for consoles that don't override it.
|
|
1465 This is the same as (default-value 'function-key-map).
|
|
1466 */ );
|
|
1467
|
|
1468 DEFVAR_CONSOLE_LOCAL ("function-key-map", function_key_map /*
|
|
1469 Keymap mapping ASCII function key sequences onto their preferred forms.
|
|
1470 This allows Emacs to recognize function keys sent from ASCII
|
|
1471 terminals at any point in a key sequence.
|
|
1472
|
|
1473 The `read-key-sequence' function replaces any subsequence bound by
|
|
1474 `function-key-map' with its binding. More precisely, when the active
|
|
1475 keymaps have no binding for the current key sequence but
|
|
1476 `function-key-map' binds a suffix of the sequence to a vector or string,
|
|
1477 `read-key-sequence' replaces the matching suffix with its binding, and
|
|
1478 continues with the new sequence.
|
|
1479
|
|
1480 The events that come from bindings in `function-key-map' are not
|
|
1481 themselves looked up in `function-key-map'.
|
|
1482
|
|
1483 For example, suppose `function-key-map' binds `ESC O P' to [f1].
|
|
1484 Typing `ESC O P' to `read-key-sequence' would return
|
|
1485 \[#<keypress-event f1>]. Typing `C-x ESC O P' would return
|
|
1486 \[#<keypress-event control-X> #<keypress-event f1>]. If [f1]
|
|
1487 were a prefix key, typing `ESC O P x' would return
|
|
1488 \[#<keypress-event f1> #<keypress-event x>].
|
|
1489 */ );
|
|
1490
|
|
1491 #ifdef HAVE_TTY
|
440
|
1492 /* #### Should this somehow go to TTY data? How do we make it
|
428
|
1493 accessible from Lisp, then? */
|
|
1494 DEFVAR_CONSOLE_LOCAL ("tty-erase-char", tty_erase_char /*
|
|
1495 The ERASE character as set by the user with stty.
|
|
1496 When this value cannot be determined or would be meaningless (on non-TTY
|
|
1497 consoles, for example), it is set to nil.
|
|
1498 */ );
|
|
1499 #endif
|
|
1500
|
442
|
1501 /* While this should be const it can't be because some things
|
428
|
1502 (i.e. edebug) do manipulate it. */
|
|
1503 DEFVAR_CONSOLE_LOCAL ("defining-kbd-macro", defining_kbd_macro /*
|
442
|
1504 Non-nil while a keyboard macro is being defined. Don't set this!
|
428
|
1505 */ );
|
|
1506
|
|
1507 DEFVAR_CONSOLE_LOCAL ("last-kbd-macro", last_kbd_macro /*
|
442
|
1508 Last keyboard macro defined, as a vector of events; nil if none defined.
|
428
|
1509 */ );
|
|
1510
|
|
1511 DEFVAR_CONSOLE_LOCAL ("prefix-arg", prefix_arg /*
|
|
1512 The value of the prefix argument for the next editing command.
|
|
1513 It may be a number, or the symbol `-' for just a minus sign as arg,
|
|
1514 or a list whose car is a number for just one or more C-U's
|
|
1515 or nil if no argument has been specified.
|
|
1516
|
|
1517 You cannot examine this variable to find the argument for this command
|
|
1518 since it has been set to nil by the time you can look.
|
|
1519 Instead, you should use the variable `current-prefix-arg', although
|
|
1520 normally commands can get this prefix argument with (interactive "P").
|
|
1521 */ );
|
|
1522
|
|
1523 DEFVAR_CONSOLE_LOCAL ("default-minibuffer-frame",
|
|
1524 default_minibuffer_frame /*
|
|
1525 Minibufferless frames use this frame's minibuffer.
|
|
1526
|
|
1527 Emacs cannot create minibufferless frames unless this is set to an
|
|
1528 appropriate surrogate.
|
|
1529
|
|
1530 XEmacs consults this variable only when creating minibufferless
|
|
1531 frames; once the frame is created, it sticks with its assigned
|
|
1532 minibuffer, no matter what this variable is set to. This means that
|
|
1533 this variable doesn't necessarily say anything meaningful about the
|
|
1534 current set of frames, or where the minibuffer is currently being
|
|
1535 displayed.
|
|
1536 */ );
|
|
1537
|
|
1538 DEFVAR_CONSOLE_LOCAL ("overriding-terminal-local-map",
|
|
1539 overriding_terminal_local_map /*
|
|
1540 Keymap that overrides all other local keymaps, for the selected console only.
|
|
1541 If this variable is non-nil, it is used as a keymap instead of the
|
|
1542 buffer's local map, and the minor mode keymaps and text property keymaps.
|
|
1543 */ );
|
|
1544
|
|
1545 /* Check for DEFVAR_CONSOLE_LOCAL without initializing the corresponding
|
|
1546 slot of console_local_flags and vice-versa. Must be done after all
|
|
1547 DEFVAR_CONSOLE_LOCAL() calls. */
|
|
1548 #define MARKED_SLOT(slot) \
|
|
1549 if ((XINT (console_local_flags.slot) != -2 && \
|
|
1550 XINT (console_local_flags.slot) != -3) \
|
|
1551 != !(NILP (XCONSOLE (Vconsole_local_symbols)->slot))) \
|
1204
|
1552 abort ();
|
428
|
1553 #include "conslots.h"
|
|
1554 }
|