442
|
1 /* Generic device functions.
|
428
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2 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
|
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3 Copyright (C) 1994, 1995 Free Software Foundation, Inc.
|
853
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4 Copyright (C) 1995, 1996, 2002 Ben Wing.
|
428
|
5
|
|
6 This file is part of XEmacs.
|
|
7
|
|
8 XEmacs is free software; you can redistribute it and/or modify it
|
|
9 under the terms of the GNU General Public License as published by the
|
|
10 Free Software Foundation; either version 2, or (at your option) any
|
|
11 later version.
|
|
12
|
|
13 XEmacs is distributed in the hope that it will be useful, but WITHOUT
|
|
14 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
15 FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
16 for more details.
|
|
17
|
|
18 You should have received a copy of the GNU General Public License
|
|
19 along with XEmacs; see the file COPYING. If not, write to
|
|
20 the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
|
|
21 Boston, MA 02111-1307, USA. */
|
|
22
|
|
23 /* Synched up with: Not in FSF. */
|
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24
|
853
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25 /* Written by Ben Wing, late 1995?
|
|
26 Based on prototype by Chuck Thompson.
|
|
27 device-system-metric stuff added 1998? by Kirill Katsnelson.
|
|
28 */
|
428
|
29
|
|
30 #include <config.h>
|
|
31 #include "lisp.h"
|
|
32
|
|
33 #include "buffer.h"
|
|
34 #include "console.h"
|
872
|
35 #include "device-impl.h"
|
428
|
36 #include "elhash.h"
|
|
37 #include "events.h"
|
|
38 #include "faces.h"
|
872
|
39 #include "frame-impl.h"
|
428
|
40 #include "keymap.h"
|
872
|
41 #include "objects.h"
|
428
|
42 #include "redisplay.h"
|
|
43 #include "specifier.h"
|
|
44 #include "sysdep.h"
|
800
|
45 #include "toolbar.h"
|
428
|
46 #include "window.h"
|
|
47
|
|
48 #ifdef HAVE_SCROLLBARS
|
|
49 #include "scrollbar.h"
|
|
50 #endif
|
|
51
|
|
52 #include "syssignal.h"
|
|
53
|
|
54 /* Vdefault_device is the firstly-created non-stream device that's still
|
|
55 around. We don't really use it anywhere currently, but it might
|
|
56 be used for resourcing at some point. (Currently we use
|
872
|
57 the default X device -- see Vdefault_device_plist.) */
|
428
|
58 Lisp_Object Vdefault_device;
|
|
59
|
|
60 Lisp_Object Vcreate_device_hook, Vdelete_device_hook;
|
|
61
|
872
|
62 static Lisp_Object Vdefault_device_plist;
|
|
63
|
428
|
64 /* Device classes */
|
|
65 /* Qcolor defined in general.c */
|
|
66 Lisp_Object Qgrayscale, Qmono;
|
|
67
|
|
68 /* Device metrics symbols */
|
|
69 Lisp_Object
|
|
70 Qcolor_default, Qcolor_select, Qcolor_balloon, Qcolor_3d_face,
|
|
71 Qcolor_3d_light, Qcolor_3d_dark, Qcolor_menu, Qcolor_menu_highlight,
|
|
72 Qcolor_menu_button, Qcolor_menu_disabled, Qcolor_toolbar,
|
|
73 Qcolor_scrollbar, Qcolor_desktop, Qcolor_workspace, Qfont_default,
|
|
74 Qfont_menubar, Qfont_dialog, Qsize_cursor, Qsize_scrollbar,
|
|
75 Qsize_menu, Qsize_toolbar, Qsize_toolbar_button,
|
|
76 Qsize_toolbar_border, Qsize_icon, Qsize_icon_small, Qsize_device,
|
440
|
77 Qsize_workspace, Qoffset_workspace, Qsize_device_mm, Qdevice_dpi,
|
1942
|
78 Qnum_bit_planes, Qnum_color_cells, Qnum_screens, Qmouse_buttons,
|
|
79 Qsave_under, Qswap_buttons, Qshow_sounds, Qslow_device, Qsecurity,
|
|
80 Qbacking_store;
|
428
|
81
|
|
82 Lisp_Object Qdevicep, Qdevice_live_p;
|
|
83 Lisp_Object Qcreate_device_hook;
|
|
84 Lisp_Object Qdelete_device_hook;
|
|
85 Lisp_Object Vdevice_class_list;
|
|
86
|
|
87
|
934
|
88
|
1204
|
89 extern const struct sized_memory_description gtk_device_data_description;
|
|
90 extern const struct sized_memory_description mswindows_device_data_description;
|
1346
|
91 extern const struct sized_memory_description msprinter_device_data_description;
|
1204
|
92 extern const struct sized_memory_description x_device_data_description;
|
934
|
93
|
1204
|
94 static const struct memory_description device_data_description_1 []= {
|
934
|
95 #ifdef HAVE_GTK
|
1204
|
96 { XD_STRUCT_PTR, gtk_console, 1, >k_device_data_description},
|
934
|
97 #endif
|
1204
|
98 #ifdef HAVE_MS_WINDOWS
|
|
99 { XD_STRUCT_PTR, mswindows_console, 1, &mswindows_device_data_description},
|
1346
|
100 { XD_STRUCT_PTR, msprinter_console, 1, &msprinter_device_data_description},
|
1204
|
101 #endif
|
934
|
102 #ifdef HAVE_X_WINDOWS
|
1204
|
103 { XD_STRUCT_PTR, x_console, 1, &x_device_data_description},
|
934
|
104 #endif
|
|
105 { XD_END }
|
|
106 };
|
|
107
|
1204
|
108 static const struct sized_memory_description device_data_description = {
|
|
109 sizeof (void *), device_data_description_1
|
934
|
110 };
|
|
111
|
1204
|
112 static const struct memory_description device_description [] = {
|
934
|
113 { XD_INT, offsetof (struct device, devtype) },
|
1204
|
114 #define MARKED_SLOT(x) { XD_LISP_OBJECT, offsetof (struct device, x) },
|
|
115 #include "devslots.h"
|
|
116
|
|
117 { XD_STRUCT_PTR, offsetof (struct device, devmeths), 1,
|
|
118 &console_methods_description },
|
934
|
119 { XD_UNION, offsetof (struct device, device_data),
|
1204
|
120 XD_INDIRECT (0, 0), &device_data_description },
|
934
|
121 { XD_END }
|
|
122 };
|
|
123
|
428
|
124 static Lisp_Object
|
|
125 mark_device (Lisp_Object obj)
|
|
126 {
|
|
127 struct device *d = XDEVICE (obj);
|
|
128
|
1204
|
129 #define MARKED_SLOT(x) mark_object (d->x);
|
617
|
130 #include "devslots.h"
|
428
|
131
|
|
132 if (d->devmeths)
|
|
133 {
|
|
134 mark_object (d->devmeths->symbol);
|
|
135 MAYBE_DEVMETH (d, mark_device, (d));
|
|
136 }
|
|
137
|
|
138 return (d->frame_list);
|
|
139 }
|
|
140
|
|
141 static void
|
|
142 print_device (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
|
|
143 {
|
|
144 struct device *d = XDEVICE (obj);
|
|
145
|
|
146 if (print_readably)
|
563
|
147 printing_unreadable_object ("#<device %s 0x%x>",
|
|
148 XSTRING_DATA (d->name), d->header.uid);
|
428
|
149
|
800
|
150 write_fmt_string (printcharfun, "#<%s-device", !DEVICE_LIVE_P (d) ? "dead" :
|
|
151 DEVICE_TYPE_NAME (d));
|
440
|
152 if (DEVICE_LIVE_P (d) && !NILP (DEVICE_CONNECTION (d)))
|
800
|
153 write_fmt_string_lisp (printcharfun, " on %S", 1, DEVICE_CONNECTION (d));
|
|
154 write_fmt_string (printcharfun, " 0x%x>", d->header.uid);
|
428
|
155 }
|
|
156
|
934
|
157 DEFINE_LRECORD_IMPLEMENTATION ("device", device,
|
|
158 0, /*dumpable-flag*/
|
|
159 mark_device, print_device, 0, 0, 0,
|
|
160 device_description,
|
|
161 struct device);
|
428
|
162
|
|
163 int
|
1204
|
164 valid_device_class_p (Lisp_Object class_)
|
428
|
165 {
|
1204
|
166 return !NILP (memq_no_quit (class_, Vdevice_class_list));
|
428
|
167 }
|
|
168
|
|
169 DEFUN ("valid-device-class-p", Fvalid_device_class_p, 1, 1, 0, /*
|
|
170 Given a DEVICE-CLASS, return t if it is valid.
|
|
171 Valid classes are 'color, 'grayscale, and 'mono.
|
|
172 */
|
|
173 (device_class))
|
|
174 {
|
|
175 return valid_device_class_p (device_class) ? Qt : Qnil;
|
|
176 }
|
|
177
|
|
178 DEFUN ("device-class-list", Fdevice_class_list, 0, 0, 0, /*
|
|
179 Return a list of valid device classes.
|
|
180 */
|
|
181 ())
|
|
182 {
|
|
183 return Fcopy_sequence (Vdevice_class_list);
|
|
184 }
|
|
185
|
617
|
186 static void
|
|
187 nuke_all_device_slots (struct device *d, Lisp_Object zap)
|
|
188 {
|
|
189 zero_lcrecord (d);
|
|
190
|
1204
|
191 #define MARKED_SLOT(x) d->x = zap;
|
617
|
192 #include "devslots.h"
|
|
193 }
|
|
194
|
428
|
195 static struct device *
|
|
196 allocate_device (Lisp_Object console)
|
|
197 {
|
|
198 Lisp_Object device;
|
|
199 struct device *d = alloc_lcrecord_type (struct device, &lrecord_device);
|
|
200 struct gcpro gcpro1;
|
|
201
|
793
|
202 device = wrap_device (d);
|
428
|
203 GCPRO1 (device);
|
|
204
|
617
|
205 nuke_all_device_slots (d, Qnil);
|
|
206
|
428
|
207 d->console = console;
|
|
208 d->infd = d->outfd = -1;
|
|
209
|
|
210 /* #### is 20 reasonable? */
|
|
211 d->color_instance_cache =
|
|
212 make_lisp_hash_table (20, HASH_TABLE_KEY_WEAK, HASH_TABLE_EQUAL);
|
|
213 d->font_instance_cache =
|
|
214 make_lisp_hash_table (20, HASH_TABLE_KEY_WEAK, HASH_TABLE_EQUAL);
|
|
215 #ifdef MULE
|
872
|
216 initialize_charset_font_caches (d);
|
428
|
217 #endif
|
|
218 /*
|
|
219 Note that the image instance cache is actually bi-level.
|
|
220 See device.h. We use a low number here because most of the
|
|
221 time there aren't very many different masks that will be used.
|
|
222 */
|
|
223 d->image_instance_cache =
|
|
224 make_lisp_hash_table (5, HASH_TABLE_NON_WEAK, HASH_TABLE_EQ);
|
|
225
|
|
226 UNGCPRO;
|
|
227 return d;
|
|
228 }
|
|
229
|
|
230 struct device *
|
|
231 decode_device (Lisp_Object device)
|
|
232 {
|
|
233 if (NILP (device))
|
|
234 device = Fselected_device (Qnil);
|
|
235 /* quietly accept frames for the device arg */
|
|
236 else if (FRAMEP (device))
|
|
237 device = FRAME_DEVICE (decode_frame (device));
|
|
238 CHECK_LIVE_DEVICE (device);
|
|
239 return XDEVICE (device);
|
|
240 }
|
|
241
|
|
242 DEFUN ("dfw-device", Fdfw_device, 1, 1, 0, /*
|
|
243 Given a device, frame, or window, return the associated device.
|
|
244 Return nil otherwise.
|
|
245 */
|
444
|
246 (object))
|
428
|
247 {
|
444
|
248 return DFW_DEVICE (object);
|
428
|
249 }
|
|
250
|
872
|
251 Lisp_Object
|
|
252 device_console (struct device *d)
|
|
253 {
|
|
254 return DEVICE_CONSOLE (d);
|
|
255 }
|
|
256
|
|
257 int
|
|
258 device_live_p (struct device *d)
|
|
259 {
|
|
260 return DEVICE_LIVE_P (d);
|
|
261 }
|
|
262
|
|
263 Lisp_Object
|
|
264 device_frame_list (struct device *d)
|
|
265 {
|
|
266 return DEVICE_FRAME_LIST (d);
|
|
267 }
|
|
268
|
428
|
269
|
|
270 DEFUN ("selected-device", Fselected_device, 0, 1, 0, /*
|
|
271 Return the device which is currently active.
|
|
272 If optional CONSOLE is non-nil, return the device that would be currently
|
|
273 active if CONSOLE were the selected console.
|
|
274 */
|
|
275 (console))
|
|
276 {
|
|
277 if (NILP (console) && NILP (Vselected_console))
|
|
278 return Qnil; /* happens early in temacs */
|
|
279 return CONSOLE_SELECTED_DEVICE (decode_console (console));
|
|
280 }
|
|
281
|
|
282 /* Called from selected_frame_1(), called from Fselect_window() */
|
|
283 void
|
|
284 select_device_1 (Lisp_Object device)
|
|
285 {
|
|
286 struct device *dev = XDEVICE (device);
|
|
287 Lisp_Object old_selected_device = Fselected_device (Qnil);
|
|
288
|
|
289 if (EQ (device, old_selected_device))
|
|
290 return;
|
|
291
|
|
292 /* now select the device's console */
|
|
293 CONSOLE_SELECTED_DEVICE (XCONSOLE (DEVICE_CONSOLE (dev))) = device;
|
|
294 select_console_1 (DEVICE_CONSOLE (dev));
|
|
295 }
|
|
296
|
|
297 DEFUN ("select-device", Fselect_device, 1, 1, 0, /*
|
|
298 Select the device DEVICE.
|
|
299 Subsequent editing commands apply to its console, selected frame,
|
|
300 and selected window.
|
|
301 The selection of DEVICE lasts until the next time the user does
|
|
302 something to select a different device, or until the next time this
|
|
303 function is called.
|
|
304 */
|
|
305 (device))
|
|
306 {
|
|
307 CHECK_LIVE_DEVICE (device);
|
|
308
|
|
309 /* select the device's selected frame's selected window. This will call
|
|
310 selected_frame_1()->selected_device_1()->selected_console_1(). */
|
|
311 if (!NILP (DEVICE_SELECTED_FRAME (XDEVICE (device))))
|
|
312 Fselect_window (FRAME_SELECTED_WINDOW
|
|
313 (XFRAME (DEVICE_SELECTED_FRAME (XDEVICE (device)))),
|
|
314 Qnil);
|
|
315 else
|
563
|
316 invalid_operation ("Can't select a device with no frames", Qunbound);
|
428
|
317 return Qnil;
|
|
318 }
|
|
319
|
|
320 void
|
|
321 set_device_selected_frame (struct device *d, Lisp_Object frame)
|
|
322 {
|
|
323 if (!NILP (frame) && !FRAME_MINIBUF_ONLY_P (XFRAME (frame)))
|
|
324 set_console_last_nonminibuf_frame (XCONSOLE (DEVICE_CONSOLE (d)), frame);
|
|
325 d->selected_frame = frame;
|
|
326 }
|
|
327
|
|
328 DEFUN ("set-device-selected-frame", Fset_device_selected_frame, 2, 2, 0, /*
|
|
329 Set the selected frame of device object DEVICE to FRAME.
|
|
330 If DEVICE is nil, the selected device is used.
|
|
331 If DEVICE is the selected device, this makes FRAME the selected frame.
|
|
332 */
|
|
333 (device, frame))
|
|
334 {
|
793
|
335 device = wrap_device (decode_device (device));
|
428
|
336 CHECK_LIVE_FRAME (frame);
|
|
337
|
|
338 if (! EQ (device, FRAME_DEVICE (XFRAME (frame))))
|
617
|
339 invalid_argument ("In `set-device-selected-frame', FRAME is not on DEVICE",
|
|
340 Qunbound);
|
428
|
341
|
|
342 if (EQ (device, Fselected_device (Qnil)))
|
|
343 return Fselect_frame (frame);
|
|
344
|
|
345 set_device_selected_frame (XDEVICE (device), frame);
|
|
346 return frame;
|
|
347 }
|
|
348
|
|
349 DEFUN ("devicep", Fdevicep, 1, 1, 0, /*
|
|
350 Return non-nil if OBJECT is a device.
|
|
351 */
|
|
352 (object))
|
|
353 {
|
|
354 return DEVICEP (object) ? Qt : Qnil;
|
|
355 }
|
|
356
|
|
357 DEFUN ("device-live-p", Fdevice_live_p, 1, 1, 0, /*
|
|
358 Return non-nil if OBJECT is a device that has not been deleted.
|
|
359 */
|
|
360 (object))
|
|
361 {
|
|
362 return DEVICEP (object) && DEVICE_LIVE_P (XDEVICE (object)) ? Qt : Qnil;
|
|
363 }
|
|
364
|
|
365 DEFUN ("device-name", Fdevice_name, 0, 1, 0, /*
|
|
366 Return the name of the specified device.
|
|
367 DEVICE defaults to the selected device if omitted.
|
|
368 */
|
|
369 (device))
|
|
370 {
|
|
371 return DEVICE_NAME (decode_device (device));
|
|
372 }
|
|
373
|
|
374 DEFUN ("device-connection", Fdevice_connection, 0, 1, 0, /*
|
|
375 Return the connection of the specified device.
|
|
376 DEVICE defaults to the selected device if omitted.
|
|
377 */
|
|
378 (device))
|
|
379 {
|
|
380 return DEVICE_CONNECTION (decode_device (device));
|
|
381 }
|
|
382
|
|
383 DEFUN ("device-console", Fdevice_console, 0, 1, 0, /*
|
|
384 Return the console of the specified device.
|
|
385 DEVICE defaults to the selected device if omitted.
|
|
386 */
|
|
387 (device))
|
|
388 {
|
|
389 return DEVICE_CONSOLE (decode_device (device));
|
|
390 }
|
|
391
|
|
392 static void
|
|
393 init_global_resources (struct device *d)
|
|
394 {
|
|
395 init_global_faces (d);
|
|
396 #ifdef HAVE_SCROLLBARS
|
|
397 init_global_scrollbars (d);
|
|
398 #endif
|
|
399 #ifdef HAVE_TOOLBARS
|
|
400 init_global_toolbars (d);
|
|
401 #endif
|
|
402 }
|
|
403
|
|
404 static void
|
|
405 init_device_resources (struct device *d)
|
|
406 {
|
|
407 init_device_faces (d);
|
|
408 #ifdef HAVE_SCROLLBARS
|
|
409 init_device_scrollbars (d);
|
|
410 #endif
|
|
411 #ifdef HAVE_TOOLBARS
|
|
412 init_device_toolbars (d);
|
|
413 #endif
|
|
414 }
|
|
415
|
872
|
416 DEFUN ("default-device", Fdefault_device, 0, 1, 0, /*
|
|
417 Return the default device of type TYPE.
|
|
418 This is generally the first-created device of that TYPE that still exists.
|
|
419 It is used for resourcing and certain other things. On MS Windows, it
|
|
420 is not very useful because there is generally only one device.
|
|
421 If TYPE is omitted, it is derived from the selected device.
|
|
422 If there is no default device of TYPE, nil is returned.
|
|
423 */
|
|
424 (type))
|
|
425 {
|
|
426 if (NILP (type))
|
|
427 type = XDEVICE_TYPE (Fselected_device (Qnil));
|
|
428 else
|
|
429 /* For errors */
|
|
430 decode_console_type (type, ERROR_ME);
|
|
431
|
|
432 return Fplist_get (Vdefault_device_plist, type, Qnil);
|
|
433 }
|
|
434
|
|
435 /* Return the default device for a device type. */
|
|
436 Lisp_Object
|
|
437 get_default_device (Lisp_Object type)
|
|
438 {
|
|
439 return Fplist_get (Vdefault_device_plist, type, Qnil);
|
|
440 }
|
|
441
|
|
442 /* Set the default device for a device type. */
|
|
443 void
|
|
444 set_default_device (Lisp_Object type, Lisp_Object device)
|
|
445 {
|
|
446 Vdefault_device_plist = Fplist_put (Vdefault_device_plist, type, device);
|
|
447 }
|
|
448
|
|
449 void
|
|
450 clear_default_devices (void)
|
|
451 {
|
|
452 Vdefault_device_plist = Qnil;
|
|
453 }
|
|
454
|
428
|
455 static Lisp_Object
|
|
456 semi_canonicalize_device_connection (struct console_methods *meths,
|
578
|
457 Lisp_Object name, Error_Behavior errb)
|
428
|
458 {
|
440
|
459 if (HAS_CONTYPE_METH_P (meths, semi_canonicalize_device_connection))
|
|
460 return CONTYPE_METH (meths, semi_canonicalize_device_connection,
|
|
461 (name, errb));
|
|
462 else
|
|
463 return CONTYPE_METH_OR_GIVEN (meths, canonicalize_device_connection,
|
|
464 (name, errb), name);
|
428
|
465 }
|
|
466
|
|
467 static Lisp_Object
|
|
468 canonicalize_device_connection (struct console_methods *meths,
|
578
|
469 Lisp_Object name, Error_Behavior errb)
|
428
|
470 {
|
440
|
471 if (HAS_CONTYPE_METH_P (meths, canonicalize_device_connection))
|
|
472 return CONTYPE_METH (meths, canonicalize_device_connection,
|
|
473 (name, errb));
|
|
474 else
|
|
475 return CONTYPE_METH_OR_GIVEN (meths, semi_canonicalize_device_connection,
|
|
476 (name, errb), name);
|
428
|
477 }
|
|
478
|
|
479 static Lisp_Object
|
|
480 find_device_of_type (struct console_methods *meths, Lisp_Object canon)
|
|
481 {
|
|
482 Lisp_Object devcons, concons;
|
|
483
|
|
484 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
485 {
|
|
486 Lisp_Object device = XCAR (devcons);
|
|
487
|
|
488 if (EQ (CONMETH_TYPE (meths), DEVICE_TYPE (XDEVICE (device)))
|
|
489 && internal_equal (DEVICE_CANON_CONNECTION (XDEVICE (device)),
|
|
490 canon, 0))
|
|
491 return device;
|
|
492 }
|
|
493
|
|
494 return Qnil;
|
|
495 }
|
|
496
|
|
497 DEFUN ("find-device", Ffind_device, 1, 2, 0, /*
|
|
498 Look for an existing device attached to connection CONNECTION.
|
|
499 Return the device if found; otherwise, return nil.
|
|
500
|
|
501 If TYPE is specified, only return devices of that type; otherwise,
|
|
502 return devices of any type. (It is possible, although unlikely,
|
|
503 that two devices of different types could have the same connection
|
|
504 name; in such a case, the first device found is returned.)
|
|
505 */
|
|
506 (connection, type))
|
|
507 {
|
|
508 Lisp_Object canon = Qnil;
|
|
509 struct gcpro gcpro1;
|
|
510
|
|
511 GCPRO1 (canon);
|
|
512
|
|
513 if (!NILP (type))
|
|
514 {
|
|
515 struct console_methods *conmeths = decode_console_type (type, ERROR_ME);
|
|
516 canon = canonicalize_device_connection (conmeths, connection,
|
|
517 ERROR_ME_NOT);
|
|
518 if (UNBOUNDP (canon))
|
|
519 RETURN_UNGCPRO (Qnil);
|
|
520
|
|
521 RETURN_UNGCPRO (find_device_of_type (conmeths, canon));
|
|
522 }
|
|
523 else
|
|
524 {
|
|
525 int i;
|
|
526
|
|
527 for (i = 0; i < Dynarr_length (the_console_type_entry_dynarr); i++)
|
|
528 {
|
|
529 struct console_methods *conmeths =
|
|
530 Dynarr_at (the_console_type_entry_dynarr, i).meths;
|
|
531 canon = canonicalize_device_connection (conmeths, connection,
|
|
532 ERROR_ME_NOT);
|
|
533 if (!UNBOUNDP (canon))
|
|
534 {
|
|
535 Lisp_Object device = find_device_of_type (conmeths, canon);
|
|
536 if (!NILP (device))
|
|
537 RETURN_UNGCPRO (device);
|
|
538 }
|
|
539 }
|
|
540
|
|
541 RETURN_UNGCPRO (Qnil);
|
|
542 }
|
|
543 }
|
|
544
|
|
545 DEFUN ("get-device", Fget_device, 1, 2, 0, /*
|
|
546 Look for an existing device attached to connection CONNECTION.
|
|
547 Return the device if found; otherwise, signal an error.
|
|
548
|
|
549 If TYPE is specified, only return devices of that type; otherwise,
|
|
550 return devices of any type. (It is possible, although unlikely,
|
|
551 that two devices of different types could have the same connection
|
|
552 name; in such a case, the first device found is returned.)
|
|
553 */
|
|
554 (connection, type))
|
|
555 {
|
|
556 Lisp_Object device = Ffind_device (connection, type);
|
|
557 if (NILP (device))
|
|
558 {
|
|
559 if (NILP (type))
|
563
|
560 invalid_argument ("No such device", connection);
|
428
|
561 else
|
563
|
562 invalid_argument_2 ("No such device", type, connection);
|
428
|
563 }
|
|
564 return device;
|
|
565 }
|
|
566
|
|
567 static Lisp_Object
|
|
568 delete_deviceless_console (Lisp_Object console)
|
|
569 {
|
|
570 if (NILP (XCONSOLE (console)->device_list))
|
|
571 Fdelete_console (console, Qnil);
|
|
572 return Qnil;
|
|
573 }
|
|
574
|
|
575 DEFUN ("make-device", Fmake_device, 2, 3, 0, /*
|
|
576 Return a new device of type TYPE, attached to connection CONNECTION.
|
|
577
|
|
578 The valid values for CONNECTION are device-specific; however,
|
|
579 CONNECTION is generally a string. (Specifically, for X devices,
|
|
580 CONNECTION should be a display specification such as "foo:0", and
|
|
581 for TTY devices, CONNECTION should be the filename of a TTY device
|
|
582 file, such as "/dev/ttyp4", or nil to refer to XEmacs' standard
|
|
583 input/output.)
|
|
584
|
|
585 PROPS, if specified, should be a plist of properties controlling
|
|
586 device creation.
|
|
587
|
|
588 If CONNECTION specifies an already-existing device connection, that
|
|
589 device is simply returned; no new device is created, and PROPS
|
|
590 have no effect.
|
|
591 */
|
|
592 (type, connection, props))
|
|
593 {
|
|
594 /* This function can GC */
|
|
595 struct device *d;
|
|
596 struct console *con;
|
|
597 Lisp_Object device = Qnil;
|
|
598 Lisp_Object console = Qnil;
|
|
599 Lisp_Object name = Qnil;
|
|
600 struct console_methods *conmeths;
|
1204
|
601 int speccount = specpdl_depth ();
|
428
|
602
|
|
603 struct gcpro gcpro1, gcpro2, gcpro3;
|
872
|
604 /* If this is the first device we are creating of a particular type
|
|
605 (e.g. X), then retrieve the global face resources. We have to do it
|
|
606 here, at the same time as (or just before) the device face resources
|
|
607 are retrieved; specifically, it needs to be done after the device has
|
|
608 been created but before any frames have been popped up or much
|
|
609 anything else has been done. It's possible for other devices to
|
|
610 specify different global resources (there's a property on each X
|
|
611 server's root window that holds some resources); tough luck for the
|
|
612 moment. */
|
|
613 int first = NILP (get_default_device (type));
|
428
|
614
|
|
615 GCPRO3 (device, console, name);
|
|
616
|
|
617 conmeths = decode_console_type (type, ERROR_ME_NOT);
|
|
618 if (!conmeths)
|
563
|
619 invalid_constant ("Invalid device type", type);
|
428
|
620
|
|
621 device = Ffind_device (connection, type);
|
|
622 if (!NILP (device))
|
|
623 RETURN_UNGCPRO (device);
|
|
624
|
|
625 name = Fplist_get (props, Qname, Qnil);
|
|
626
|
|
627 {
|
|
628 Lisp_Object conconnect =
|
|
629 (HAS_CONTYPE_METH_P (conmeths, device_to_console_connection)) ?
|
|
630 CONTYPE_METH (conmeths, device_to_console_connection,
|
|
631 (connection, ERROR_ME)) :
|
|
632 connection;
|
|
633 console = create_console (name, type, conconnect, props);
|
|
634 }
|
|
635
|
872
|
636 record_unwind_protect (delete_deviceless_console, console);
|
428
|
637
|
|
638 con = XCONSOLE (console);
|
|
639 d = allocate_device (console);
|
793
|
640 device = wrap_device (d);
|
428
|
641
|
|
642 d->devmeths = con->conmeths;
|
934
|
643 d->devtype = get_console_variant (type);
|
428
|
644
|
|
645 DEVICE_NAME (d) = name;
|
|
646 DEVICE_CONNECTION (d) =
|
|
647 semi_canonicalize_device_connection (conmeths, connection, ERROR_ME);
|
|
648 DEVICE_CANON_CONNECTION (d) =
|
|
649 canonicalize_device_connection (conmeths, connection, ERROR_ME);
|
|
650
|
|
651 MAYBE_DEVMETH (d, init_device, (d, props));
|
|
652
|
|
653 /* Do it this way so that the device list is in order of creation */
|
|
654 con->device_list = nconc2 (con->device_list, Fcons (device, Qnil));
|
872
|
655
|
|
656 if (NILP (get_default_device (type)))
|
|
657 set_default_device (type, device);
|
|
658
|
853
|
659 note_object_created (device);
|
|
660
|
428
|
661 RESET_CHANGED_SET_FLAGS;
|
|
662 if (NILP (Vdefault_device) || DEVICE_STREAM_P (XDEVICE (Vdefault_device)))
|
|
663 Vdefault_device = device;
|
|
664
|
|
665 init_device_sound (d);
|
|
666
|
|
667 /* If this is the first device on the console, make it the selected one. */
|
|
668 if (NILP (CONSOLE_SELECTED_DEVICE (con)))
|
|
669 CONSOLE_SELECTED_DEVICE (con) = device;
|
|
670
|
872
|
671 /* Needed before initialization of resources because they may do things
|
|
672 with the tags, esp. the face code. For example,
|
|
673 init-other-random-faces calls face-property-instance, and the
|
|
674 specifier code checks inst-pairs by seeing if the device matches the
|
|
675 tag; this fails for tags such as `default', if we haven't set up the
|
|
676 tags yet. */
|
428
|
677 setup_device_initial_specifier_tags (d);
|
|
678
|
872
|
679 if (!EQ (type, Qstream))
|
|
680 {
|
|
681 if (first)
|
|
682 init_global_resources (d);
|
|
683 init_device_resources (d);
|
|
684 }
|
|
685
|
|
686 MAYBE_DEVMETH (d, finish_init_device, (d, props));
|
|
687
|
428
|
688 UNGCPRO;
|
771
|
689 unbind_to (speccount);
|
428
|
690 return device;
|
|
691 }
|
|
692
|
|
693 /* find a device other than the selected one. Prefer non-stream
|
|
694 devices over stream devices. Maybe stay on the same console. */
|
|
695
|
|
696 static Lisp_Object
|
|
697 find_other_device (Lisp_Object device, int on_same_console)
|
|
698 {
|
|
699 Lisp_Object devcons = Qnil, concons;
|
|
700 Lisp_Object console = DEVICE_CONSOLE (XDEVICE (device));
|
|
701
|
|
702 /* look for a non-stream device */
|
|
703 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
704 {
|
|
705 Lisp_Object dev = XCAR (devcons);
|
|
706 if (on_same_console && !EQ (console, DEVICE_CONSOLE (XDEVICE (dev))))
|
|
707 continue;
|
|
708 if (!DEVICE_STREAM_P (XDEVICE (dev)) && !EQ (dev, device) &&
|
|
709 !NILP (DEVICE_SELECTED_FRAME (XDEVICE (dev))))
|
|
710 goto double_break_1;
|
|
711 }
|
|
712
|
|
713 double_break_1:
|
|
714 if (!NILP (devcons))
|
|
715 return XCAR (devcons);
|
|
716
|
|
717 /* OK, now look for a stream device */
|
|
718 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
719 {
|
|
720 Lisp_Object dev = XCAR (devcons);
|
|
721 if (on_same_console && !EQ (console, DEVICE_CONSOLE (XDEVICE (dev))))
|
|
722 continue;
|
|
723 if (!EQ (dev, device) && !NILP (DEVICE_SELECTED_FRAME (XDEVICE (dev))))
|
|
724 goto double_break_2;
|
|
725 }
|
|
726 double_break_2:
|
|
727 if (!NILP (devcons))
|
|
728 return XCAR (devcons);
|
|
729
|
|
730 /* Sorry, there ain't none */
|
|
731 return Qnil;
|
|
732 }
|
|
733
|
|
734 static int
|
|
735 find_nonminibuffer_frame_not_on_device_predicate (Lisp_Object frame,
|
|
736 void *closure)
|
|
737 {
|
|
738 Lisp_Object device;
|
|
739
|
826
|
740 device = VOID_TO_LISP (closure);
|
428
|
741 if (FRAME_MINIBUF_ONLY_P (XFRAME (frame)))
|
|
742 return 0;
|
|
743 if (EQ (device, FRAME_DEVICE (XFRAME (frame))))
|
|
744 return 0;
|
|
745 return 1;
|
|
746 }
|
|
747
|
|
748 Lisp_Object
|
|
749 find_nonminibuffer_frame_not_on_device (Lisp_Object device)
|
|
750 {
|
|
751 return find_some_frame (find_nonminibuffer_frame_not_on_device_predicate,
|
|
752 LISP_TO_VOID (device));
|
|
753 }
|
|
754
|
|
755
|
|
756 /* Delete device D.
|
|
757
|
|
758 If FORCE is non-zero, allow deletion of the only frame.
|
|
759
|
|
760 If CALLED_FROM_DELETE_CONSOLE is non-zero, then, if
|
|
761 deleting the last device on a console, just delete it,
|
|
762 instead of calling `delete-console'.
|
|
763
|
|
764 If FROM_IO_ERROR is non-zero, then the device is gone due
|
|
765 to an I/O error. This affects what happens if we exit
|
|
766 (we do an emergency exit instead of `save-buffers-kill-emacs'.)
|
|
767 */
|
|
768
|
|
769 void
|
|
770 delete_device_internal (struct device *d, int force,
|
|
771 int called_from_delete_console,
|
|
772 int from_io_error)
|
|
773 {
|
|
774 /* This function can GC */
|
|
775 struct console *c;
|
|
776 Lisp_Object device;
|
|
777 struct gcpro gcpro1;
|
|
778
|
|
779 /* OK to delete an already-deleted device. */
|
|
780 if (!DEVICE_LIVE_P (d))
|
|
781 return;
|
|
782
|
793
|
783 device = wrap_device (d);
|
853
|
784
|
|
785 if (!force)
|
|
786 check_allowed_operation (OPERATION_DELETE_OBJECT, device, Qnil);
|
|
787
|
428
|
788 GCPRO1 (device);
|
|
789
|
|
790 c = XCONSOLE (DEVICE_CONSOLE (d));
|
|
791
|
|
792 if (!called_from_delete_console)
|
|
793 {
|
|
794 int delete_console = 0;
|
|
795 /* If we're deleting the only device on the console,
|
|
796 delete the console. */
|
|
797 if ((XINT (Flength (CONSOLE_DEVICE_LIST (c))) == 1)
|
|
798 /* if we just created the device, it might not be listed,
|
|
799 or something ... */
|
|
800 && !NILP (memq_no_quit (device, CONSOLE_DEVICE_LIST (c))))
|
|
801 delete_console = 1;
|
|
802 /* Or if there aren't any nonminibuffer frames that would be
|
|
803 left, delete the console (this will make XEmacs exit). */
|
|
804 else if (NILP (find_nonminibuffer_frame_not_on_device (device)))
|
|
805 delete_console = 1;
|
|
806
|
|
807 if (delete_console)
|
|
808 {
|
|
809 delete_console_internal (c, force, 0, from_io_error);
|
|
810 UNGCPRO;
|
|
811 return;
|
|
812 }
|
|
813 }
|
|
814
|
|
815 reset_one_device (d);
|
|
816
|
|
817 {
|
|
818 Lisp_Object frmcons;
|
|
819
|
|
820 /* First delete all frames without their own minibuffers,
|
|
821 to avoid errors coming from attempting to delete a frame
|
|
822 that is a surrogate for another frame. */
|
|
823 DEVICE_FRAME_LOOP (frmcons, d)
|
|
824 {
|
|
825 struct frame *f = XFRAME (XCAR (frmcons));
|
|
826 /* delete_frame_internal() might do anything such as run hooks,
|
|
827 so be defensive. */
|
|
828 if (FRAME_LIVE_P (f) && !FRAME_HAS_MINIBUF_P (f))
|
|
829 delete_frame_internal (f, 1, 1, from_io_error);
|
|
830
|
|
831 if (!DEVICE_LIVE_P (d)) /* make sure the delete-*-hook didn't
|
|
832 go ahead and delete anything */
|
|
833 {
|
|
834 UNGCPRO;
|
|
835 return;
|
|
836 }
|
|
837 }
|
|
838
|
|
839 /* #### This should probably be a device method but it is time for
|
|
840 19.14 to go out the door. */
|
1204
|
841 /* #### BILL!!! Should this deal with HAVE_MS_WINDOWS as well? */
|
462
|
842 #if defined (HAVE_X_WINDOWS) || defined (HAVE_GTK)
|
428
|
843 /* Next delete all frames which have the popup property to avoid
|
|
844 deleting a child after its parent. */
|
|
845 DEVICE_FRAME_LOOP (frmcons, d)
|
|
846 {
|
|
847 struct frame *f = XFRAME (XCAR (frmcons));
|
|
848
|
|
849 if (FRAME_LIVE_P (f))
|
|
850 {
|
|
851 Lisp_Object popup = Fframe_property (XCAR (frmcons), Qpopup, Qnil);
|
|
852 if (!NILP (popup))
|
|
853 delete_frame_internal (f, 1, 1, from_io_error);
|
|
854
|
|
855 if (!DEVICE_LIVE_P (d)) /* make sure the delete-*-hook didn't
|
|
856 go ahead and delete anything */
|
|
857 {
|
|
858 UNGCPRO;
|
|
859 return;
|
|
860 }
|
|
861 }
|
|
862 }
|
|
863 #endif /* HAVE_X_WINDOWS */
|
|
864
|
|
865 DEVICE_FRAME_LOOP (frmcons, d)
|
|
866 {
|
|
867 struct frame *f = XFRAME (XCAR (frmcons));
|
|
868 /* delete_frame_internal() might do anything such as run hooks,
|
|
869 so be defensive. */
|
|
870 if (FRAME_LIVE_P (f))
|
|
871 delete_frame_internal (f, 1, 1, from_io_error);
|
|
872
|
|
873 if (!DEVICE_LIVE_P (d)) /* make sure the delete-*-hook didn't
|
|
874 go ahead and delete anything */
|
|
875 {
|
|
876 UNGCPRO;
|
|
877 return;
|
|
878 }
|
|
879 }
|
|
880 }
|
|
881
|
|
882 set_device_selected_frame (d, Qnil);
|
|
883
|
|
884 /* try to select another device */
|
|
885
|
|
886 if (EQ (device, Fselected_device (DEVICE_CONSOLE (d))))
|
|
887 {
|
|
888 Lisp_Object other_dev = find_other_device (device, 1);
|
|
889 if (!NILP (other_dev))
|
|
890 Fselect_device (other_dev);
|
|
891 }
|
|
892
|
|
893 if (EQ (device, Vdefault_device))
|
|
894 Vdefault_device = find_other_device (device, 0);
|
|
895
|
|
896 MAYBE_DEVMETH (d, delete_device, (d));
|
|
897
|
872
|
898 /* Now see if we're the default device, and thus need to be changed. */
|
|
899 {
|
|
900 /* Device type still OK, not set to null till down below. */
|
|
901 Lisp_Object dt = DEVICE_TYPE (d);
|
|
902
|
|
903 if (EQ (device, get_default_device (dt)))
|
|
904 {
|
|
905 Lisp_Object devcons, concons;
|
|
906 /* #### handle deleting last device */
|
|
907 set_default_device (dt, Qnil);
|
|
908 DEVICE_LOOP_NO_BREAK (devcons, concons)
|
|
909 {
|
|
910 if (EQ (dt, XDEVICE_TYPE (XCAR (devcons))) &&
|
|
911 !EQ (device, XCAR (devcons)))
|
|
912 {
|
|
913 set_default_device (dt, XCAR (devcons));
|
|
914 goto double_break;
|
|
915 }
|
|
916 }
|
|
917 }
|
|
918 }
|
|
919 double_break:
|
|
920
|
428
|
921 CONSOLE_DEVICE_LIST (c) = delq_no_quit (device, CONSOLE_DEVICE_LIST (c));
|
617
|
922
|
428
|
923 RESET_CHANGED_SET_FLAGS;
|
617
|
924
|
|
925 /* Nobody should be accessing anything in this object any more, and
|
|
926 making all Lisp_Objects Qnil allows for better GC'ing in case a
|
|
927 pointer to the dead device continues to hang around. Zero all
|
|
928 other structs in case someone tries to access something through
|
|
929 them. */
|
|
930 nuke_all_device_slots (d, Qnil);
|
428
|
931 d->devmeths = dead_console_methods;
|
1204
|
932 d->devtype = dead_console;
|
853
|
933 note_object_deleted (device);
|
617
|
934
|
428
|
935 UNGCPRO;
|
|
936 }
|
|
937
|
|
938 /* delete a device as a result of an I/O error. Called from
|
|
939 an enqueued magic-eval event. */
|
|
940
|
|
941 void
|
|
942 io_error_delete_device (Lisp_Object device)
|
|
943 {
|
|
944 /* Note: it's the console that should get deleted, but
|
|
945 delete_device_internal() contains a hack that also deletes the
|
|
946 console when called from this function. */
|
|
947 delete_device_internal (XDEVICE (device), 1, 0, 1);
|
|
948 }
|
|
949
|
|
950 DEFUN ("delete-device", Fdelete_device, 1, 2, 0, /*
|
|
951 Delete DEVICE, permanently eliminating it from use.
|
|
952 Normally, you cannot delete the last non-minibuffer-only frame (you must
|
|
953 use `save-buffers-kill-emacs' or `kill-emacs'). However, if optional
|
|
954 second argument FORCE is non-nil, you can delete the last frame. (This
|
|
955 will automatically call `save-buffers-kill-emacs'.)
|
|
956 */
|
|
957 (device, force))
|
|
958 {
|
|
959 CHECK_DEVICE (device);
|
|
960 delete_device_internal (XDEVICE (device), !NILP (force), 0, 0);
|
|
961 return Qnil;
|
|
962 }
|
|
963
|
|
964 DEFUN ("device-frame-list", Fdevice_frame_list, 0, 1, 0, /*
|
|
965 Return a list of all frames on DEVICE.
|
|
966 If DEVICE is nil, the selected device will be used.
|
|
967 */
|
|
968 (device))
|
|
969 {
|
|
970 return Fcopy_sequence (DEVICE_FRAME_LIST (decode_device (device)));
|
|
971 }
|
|
972
|
|
973 DEFUN ("device-class", Fdevice_class, 0, 1, 0, /*
|
|
974 Return the class (color behavior) of DEVICE.
|
|
975 This will be one of 'color, 'grayscale, or 'mono.
|
|
976 */
|
|
977 (device))
|
|
978 {
|
|
979 return DEVICE_CLASS (decode_device (device));
|
|
980 }
|
|
981
|
|
982 DEFUN ("set-device-class", Fset_device_class, 2, 2, 0, /*
|
|
983 Set the class (color behavior) of DEVICE.
|
|
984 CLASS should be one of 'color, 'grayscale, or 'mono.
|
|
985 This is only allowed on device such as TTY devices, where the color
|
|
986 behavior cannot necessarily be determined automatically.
|
|
987 */
|
1204
|
988 (device, class_))
|
428
|
989 {
|
|
990 struct device *d = decode_device (device);
|
793
|
991 device = wrap_device (d);
|
428
|
992 if (!DEVICE_TTY_P (d))
|
563
|
993 gui_error ("Cannot change the class of this device", device);
|
1204
|
994 if (!EQ (class_, Qcolor) && !EQ (class_, Qmono) && !EQ (class_, Qgrayscale))
|
|
995 invalid_constant ("Must be color, mono, or grayscale", class_);
|
|
996 if (! EQ (DEVICE_CLASS (d), class_))
|
428
|
997 {
|
|
998 Lisp_Object frmcons;
|
1204
|
999 DEVICE_CLASS (d) = class_;
|
428
|
1000 DEVICE_FRAME_LOOP (frmcons, d)
|
|
1001 {
|
|
1002 struct frame *f = XFRAME (XCAR (frmcons));
|
|
1003
|
|
1004 recompute_all_cached_specifiers_in_frame (f);
|
|
1005 MARK_FRAME_FACES_CHANGED (f);
|
|
1006 MARK_FRAME_GLYPHS_CHANGED (f);
|
|
1007 MARK_FRAME_SUBWINDOWS_CHANGED (f);
|
|
1008 MARK_FRAME_TOOLBARS_CHANGED (f);
|
442
|
1009 MARK_FRAME_GUTTERS_CHANGED (f);
|
428
|
1010 f->menubar_changed = 1;
|
|
1011 }
|
|
1012 }
|
|
1013 return Qnil;
|
|
1014 }
|
|
1015
|
|
1016 DEFUN ("set-device-baud-rate", Fset_device_baud_rate, 2, 2, 0, /*
|
|
1017 Set the output baud rate of DEVICE to RATE.
|
|
1018 On most systems, changing this value will affect the amount of padding
|
|
1019 and other strategic decisions made during redisplay.
|
|
1020 */
|
|
1021 (device, rate))
|
|
1022 {
|
|
1023 CHECK_INT (rate);
|
|
1024
|
|
1025 DEVICE_BAUD_RATE (decode_device (device)) = XINT (rate);
|
|
1026
|
|
1027 return rate;
|
|
1028 }
|
|
1029
|
|
1030 DEFUN ("device-baud-rate", Fdevice_baud_rate, 0, 1, 0, /*
|
|
1031 Return the output baud rate of DEVICE.
|
|
1032 */
|
|
1033 (device))
|
|
1034 {
|
|
1035 return make_int (DEVICE_BAUD_RATE (decode_device (device)));
|
|
1036 }
|
|
1037
|
440
|
1038 DEFUN ("device-printer-p", Fdevice_printer_p, 0, 1, 0, /*
|
|
1039 Return t if DEVICE is a printer, nil if it is a display. DEVICE defaults
|
|
1040 to selected device if omitted, and must be live if specified.
|
|
1041 */
|
|
1042 (device))
|
|
1043 {
|
442
|
1044 return DEVICE_PRINTER_P (decode_device (device)) ? Qt : Qnil;
|
440
|
1045 }
|
|
1046
|
428
|
1047 DEFUN ("device-system-metric", Fdevice_system_metric, 1, 3, 0, /*
|
|
1048 Get a metric for DEVICE as provided by the system.
|
|
1049
|
|
1050 METRIC must be a symbol specifying requested metric. Note that the metrics
|
|
1051 returned are these provided by the system internally, not read from resources,
|
|
1052 so obtained from the most internal level.
|
|
1053
|
|
1054 If a metric is not provided by the system, then DEFAULT is returned.
|
|
1055
|
|
1056 When DEVICE is nil, selected device is assumed
|
|
1057
|
|
1058 Metrics, by group, are:
|
|
1059
|
|
1060 COLORS. Colors are returned as valid color instantiators. No other assumption
|
|
1061 on the returned value should be made (i.e. it can be a string on one system but
|
|
1062 a color instance on another). For colors, returned value is a cons of
|
|
1063 foreground and background colors. Note that if the system provides only one
|
|
1064 color of the pair, the second one may be nil.
|
|
1065
|
|
1066 color-default Standard window text foreground and background.
|
|
1067 color-select Selection highlight text and background colors.
|
|
1068 color-balloon Balloon popup text and background colors.
|
|
1069 color-3d-face 3-D object (button, modeline) text and surface colors.
|
|
1070 color-3d-light Fore and back colors for 3-D edges facing light source.
|
|
1071 color-3d-dark Fore and back colors for 3-D edges facing away from
|
|
1072 light source.
|
|
1073 color-menu Text and background for menus
|
|
1074 color-menu-highlight Selected menu item colors
|
|
1075 color-menu-button Menu button colors
|
|
1076 color-menu-disabled Unselectable menu item colors
|
|
1077 color-toolbar Toolbar foreground and background colors
|
|
1078 color-scrollbar Scrollbar foreground and background colors
|
|
1079 color-desktop Desktop window colors
|
|
1080 color-workspace Workspace window colors
|
|
1081
|
|
1082 FONTS. Fonts are returned as valid font instantiators. No other assumption on
|
|
1083 the returned value should be made (i.e. it can be a string on one system but
|
|
1084 font instance on another).
|
|
1085
|
|
1086 font-default Default fixed width font.
|
|
1087 font-menubar Menubar font
|
|
1088 font-dialog Dialog boxes font
|
|
1089
|
|
1090 GEOMETRY. These metrics are returned as conses of (X . Y). As with colors,
|
|
1091 either car or cdr of the cons may be nil if the system does not provide one
|
|
1092 of the corresponding dimensions.
|
|
1093
|
|
1094 size-cursor Mouse cursor size.
|
|
1095 size-scrollbar Scrollbars (WIDTH . HEIGHT)
|
|
1096 size-menu Menubar height, as (nil . HEIGHT)
|
|
1097 size-toolbar Toolbar width and height.
|
|
1098 size-toolbar-button Toolbar button size.
|
|
1099 size-toolbar-border Toolbar border width and height.
|
|
1100 size-icon Icon dimensions.
|
|
1101 size-icon-small Small icon dimensions.
|
440
|
1102 size-device Device screen or paper size in pixels.
|
|
1103 size-workspace Workspace size in pixels. This can be less than or
|
442
|
1104 equal to the above. For displays, this is the area
|
|
1105 available to applications less window manager
|
440
|
1106 decorations. For printers, this is the size of
|
|
1107 printable area.
|
|
1108 offset-workspace Offset of workspace area from the top left corner
|
442
|
1109 of screen or paper, in pixels.
|
428
|
1110 size-device-mm Device screen size in millimeters.
|
|
1111 device-dpi Device resolution, in dots per inch.
|
|
1112 num-bit-planes Integer, number of device bit planes.
|
|
1113 num-color-cells Integer, number of device color cells.
|
1942
|
1114 num-screens Integer, number of device screens.
|
428
|
1115
|
|
1116 FEATURES. This group reports various device features. If a feature is
|
|
1117 present, integer 1 (one) is returned, if it is not present, then integer
|
|
1118 0 (zero) is returned. If the system is unaware of the feature, then
|
|
1119 DEFAULT is returned.
|
|
1120
|
|
1121 mouse-buttons Integer, number of mouse buttons, or zero if no mouse.
|
|
1122 swap-buttons Non-zero if left and right mouse buttons are swapped.
|
|
1123 show-sounds User preference for visual over audible bell.
|
|
1124 slow-device Device is slow, avoid animation.
|
|
1125 security Non-zero if user environment is secure.
|
|
1126 */
|
|
1127 (device, metric, default_))
|
|
1128 {
|
|
1129 struct device *d = decode_device (device);
|
|
1130 enum device_metrics m;
|
|
1131 Lisp_Object res;
|
|
1132
|
|
1133 /* Decode metric */
|
|
1134 #define FROB(met) \
|
|
1135 else if (EQ (metric, Q##met)) \
|
|
1136 m = DM_##met
|
|
1137
|
|
1138 if (0)
|
|
1139 ;
|
|
1140 FROB (color_default);
|
|
1141 FROB (color_select);
|
|
1142 FROB (color_balloon);
|
|
1143 FROB (color_3d_face);
|
|
1144 FROB (color_3d_light);
|
|
1145 FROB (color_3d_dark);
|
|
1146 FROB (color_menu);
|
|
1147 FROB (color_menu_highlight);
|
|
1148 FROB (color_menu_button);
|
|
1149 FROB (color_menu_disabled);
|
|
1150 FROB (color_toolbar);
|
|
1151 FROB (color_scrollbar);
|
|
1152 FROB (color_desktop);
|
|
1153 FROB (color_workspace);
|
|
1154 FROB (font_default);
|
|
1155 FROB (font_menubar);
|
|
1156 FROB (font_dialog);
|
|
1157 FROB (size_cursor);
|
|
1158 FROB (size_scrollbar);
|
|
1159 FROB (size_menu);
|
|
1160 FROB (size_toolbar);
|
|
1161 FROB (size_toolbar_button);
|
|
1162 FROB (size_toolbar_border);
|
|
1163 FROB (size_icon);
|
|
1164 FROB (size_icon_small);
|
|
1165 FROB (size_device);
|
|
1166 FROB (size_workspace);
|
440
|
1167 FROB (offset_workspace);
|
428
|
1168 FROB (size_device_mm);
|
|
1169 FROB (device_dpi);
|
|
1170 FROB (num_bit_planes);
|
|
1171 FROB (num_color_cells);
|
1942
|
1172 FROB (num_screens);
|
428
|
1173 FROB (mouse_buttons);
|
|
1174 FROB (swap_buttons);
|
|
1175 FROB (show_sounds);
|
|
1176 FROB (slow_device);
|
|
1177 FROB (security);
|
1942
|
1178 FROB (backing_store);
|
|
1179 FROB (save_under);
|
428
|
1180 else
|
563
|
1181 invalid_constant ("Invalid device metric symbol", metric);
|
428
|
1182
|
|
1183 res = DEVMETH_OR_GIVEN (d, device_system_metrics, (d, m), Qunbound);
|
|
1184 return UNBOUNDP(res) ? default_ : res;
|
|
1185
|
|
1186 #undef FROB
|
|
1187 }
|
|
1188
|
|
1189 DEFUN ("device-system-metrics", Fdevice_system_metrics, 0, 1, 0, /*
|
|
1190 Get a property list of device metric for DEVICE.
|
|
1191
|
|
1192 See `device-system-metric' for the description of available metrics.
|
|
1193 DEVICE defaults to selected device when omitted.
|
|
1194 */
|
|
1195 (device))
|
|
1196 {
|
|
1197 struct device *d = decode_device (device);
|
|
1198 Lisp_Object plist = Qnil, one_metric;
|
|
1199
|
|
1200 #define FROB(m) \
|
|
1201 if (!UNBOUNDP ((one_metric = \
|
|
1202 DEVMETH_OR_GIVEN (d, device_system_metrics, \
|
|
1203 (d, DM_##m), Qunbound)))) \
|
|
1204 plist = Fcons (Q##m, Fcons (one_metric, plist));
|
|
1205
|
|
1206 FROB (color_default);
|
|
1207 FROB (color_select);
|
|
1208 FROB (color_balloon);
|
|
1209 FROB (color_3d_face);
|
|
1210 FROB (color_3d_light);
|
|
1211 FROB (color_3d_dark);
|
|
1212 FROB (color_menu);
|
|
1213 FROB (color_menu_highlight);
|
|
1214 FROB (color_menu_button);
|
|
1215 FROB (color_menu_disabled);
|
|
1216 FROB (color_toolbar);
|
|
1217 FROB (color_scrollbar);
|
|
1218 FROB (color_desktop);
|
|
1219 FROB (color_workspace);
|
|
1220 FROB (font_default);
|
|
1221 FROB (font_menubar);
|
|
1222 FROB (font_dialog);
|
|
1223 FROB (size_cursor);
|
|
1224 FROB (size_scrollbar);
|
|
1225 FROB (size_menu);
|
|
1226 FROB (size_toolbar);
|
|
1227 FROB (size_toolbar_button);
|
|
1228 FROB (size_toolbar_border);
|
|
1229 FROB (size_icon);
|
|
1230 FROB (size_icon_small);
|
|
1231 FROB (size_device);
|
|
1232 FROB (size_workspace);
|
440
|
1233 FROB (offset_workspace);
|
428
|
1234 FROB (size_device_mm);
|
|
1235 FROB (device_dpi);
|
|
1236 FROB (num_bit_planes);
|
|
1237 FROB (num_color_cells);
|
1942
|
1238 FROB (num_screens);
|
428
|
1239 FROB (mouse_buttons);
|
|
1240 FROB (swap_buttons);
|
|
1241 FROB (show_sounds);
|
|
1242 FROB (slow_device);
|
|
1243 FROB (security);
|
1942
|
1244 FROB (backing_store);
|
|
1245 FROB (save_under);
|
428
|
1246
|
|
1247 return plist;
|
|
1248
|
|
1249 #undef FROB
|
|
1250 }
|
|
1251
|
|
1252 Lisp_Object
|
|
1253 domain_device_type (Lisp_Object domain)
|
|
1254 {
|
|
1255 /* This cannot GC */
|
|
1256 assert (WINDOWP (domain) || FRAMEP (domain)
|
|
1257 || DEVICEP (domain) || CONSOLEP (domain));
|
|
1258
|
|
1259 if (WINDOWP (domain))
|
|
1260 {
|
|
1261 if (!WINDOW_LIVE_P (XWINDOW (domain)))
|
|
1262 return Qdead;
|
|
1263 domain = WINDOW_FRAME (XWINDOW (domain));
|
|
1264 }
|
|
1265 if (FRAMEP (domain))
|
|
1266 {
|
|
1267 if (!FRAME_LIVE_P (XFRAME (domain)))
|
|
1268 return Qdead;
|
|
1269 domain = FRAME_DEVICE (XFRAME (domain));
|
|
1270 }
|
|
1271 if (DEVICEP (domain))
|
|
1272 {
|
|
1273 if (!DEVICE_LIVE_P (XDEVICE (domain)))
|
|
1274 return Qdead;
|
|
1275 domain = DEVICE_CONSOLE (XDEVICE (domain));
|
|
1276 }
|
|
1277 return CONSOLE_TYPE (XCONSOLE (domain));
|
|
1278 }
|
|
1279
|
|
1280 /*
|
|
1281 * Determine whether window system bases window geometry on character
|
|
1282 * or pixel counts.
|
|
1283 * Return non-zero for pixel-based geometry, zero for character-based.
|
|
1284 */
|
|
1285 int
|
|
1286 window_system_pixelated_geometry (Lisp_Object domain)
|
|
1287 {
|
|
1288 /* This cannot GC */
|
|
1289 Lisp_Object winsy = domain_device_type (domain);
|
|
1290 struct console_methods *meth = decode_console_type (winsy, ERROR_ME_NOT);
|
|
1291 assert (meth);
|
545
|
1292 return CONMETH_IMPL_FLAG (meth, XDEVIMPF_PIXEL_GEOMETRY);
|
428
|
1293 }
|
|
1294
|
|
1295 DEFUN ("domain-device-type", Fdomain_device_type, 0, 1, 0, /*
|
|
1296 Return the device type symbol for a DOMAIN, e.g. 'x or 'tty.
|
|
1297 DOMAIN can be either a window, frame, device or console.
|
|
1298 */
|
|
1299 (domain))
|
|
1300 {
|
|
1301 if (!WINDOWP (domain) && !FRAMEP (domain)
|
|
1302 && !DEVICEP (domain) && !CONSOLEP (domain))
|
563
|
1303 invalid_argument
|
428
|
1304 ("Domain must be either a window, frame, device or console", domain);
|
|
1305
|
|
1306 return domain_device_type (domain);
|
|
1307 }
|
|
1308
|
|
1309 void
|
|
1310 handle_asynch_device_change (void)
|
|
1311 {
|
|
1312 int i;
|
|
1313 int old_asynch_device_change_pending = asynch_device_change_pending;
|
|
1314 for (i = 0; i < Dynarr_length (the_console_type_entry_dynarr); i++)
|
|
1315 {
|
|
1316 if (Dynarr_at (the_console_type_entry_dynarr, i).meths->
|
|
1317 asynch_device_change_method)
|
|
1318 (Dynarr_at (the_console_type_entry_dynarr, i).meths->
|
|
1319 asynch_device_change_method) ();
|
|
1320 }
|
|
1321 /* reset the flag to 0 unless another notification occurred while
|
|
1322 we were processing this one. Block SIGWINCH during this
|
|
1323 check to prevent a possible race condition. */
|
442
|
1324 #ifdef SIGWINCH
|
428
|
1325 EMACS_BLOCK_SIGNAL (SIGWINCH);
|
|
1326 #endif
|
|
1327 if (old_asynch_device_change_pending == asynch_device_change_pending)
|
|
1328 asynch_device_change_pending = 0;
|
442
|
1329 #ifdef SIGWINCH
|
428
|
1330 EMACS_UNBLOCK_SIGNAL (SIGWINCH);
|
|
1331 #endif
|
|
1332 }
|
|
1333
|
771
|
1334 static Lisp_Object
|
|
1335 unlock_device (Lisp_Object d)
|
|
1336 {
|
|
1337 UNLOCK_DEVICE (XDEVICE (d));
|
|
1338 return Qnil;
|
|
1339 }
|
|
1340
|
872
|
1341 Lisp_Object
|
428
|
1342 call_critical_lisp_code (struct device *d, Lisp_Object function,
|
|
1343 Lisp_Object object)
|
|
1344 {
|
853
|
1345 /* This function cannot GC */
|
771
|
1346 int count = begin_gc_forbidden ();
|
853
|
1347 struct gcpro gcpro1;
|
|
1348 Lisp_Object args[3];
|
872
|
1349 Lisp_Object retval;
|
853
|
1350
|
771
|
1351 specbind (Qinhibit_quit, Qt);
|
|
1352 record_unwind_protect (unlock_device, wrap_device (d));
|
428
|
1353
|
771
|
1354 /* [[There's no real reason to bother doing unwind-protects, because if
|
428
|
1355 initialize-*-faces signals an error, emacs is going to crash
|
771
|
1356 immediately.]] But this sucks! This code is called not only during
|
|
1357 the initial device, but for other devices as well! #### When dealing
|
|
1358 with non-initial devices, we should signal an error but NOT kill
|
|
1359 ourselves! --ben
|
428
|
1360 */
|
|
1361 LOCK_DEVICE (d);
|
|
1362
|
853
|
1363 args[0] = Qreally_early_error_handler;
|
|
1364 args[1] = function;
|
|
1365 args[2] = object;
|
|
1366
|
|
1367 GCPRO1_ARRAY (args, 3);
|
|
1368
|
|
1369 /* It's useful to have an error handler; otherwise an infinite
|
428
|
1370 loop may result. */
|
872
|
1371 retval = Fcall_with_condition_handler (!NILP (object) ? 3 : 2, args);
|
853
|
1372
|
|
1373 UNGCPRO;
|
428
|
1374
|
872
|
1375 return unbind_to_1 (count, retval);
|
428
|
1376 }
|
|
1377
|
|
1378
|
|
1379 /************************************************************************/
|
|
1380 /* initialization */
|
|
1381 /************************************************************************/
|
|
1382
|
|
1383 void
|
|
1384 syms_of_device (void)
|
|
1385 {
|
442
|
1386 INIT_LRECORD_IMPLEMENTATION (device);
|
|
1387
|
428
|
1388 DEFSUBR (Fvalid_device_class_p);
|
|
1389 DEFSUBR (Fdevice_class_list);
|
|
1390
|
|
1391 DEFSUBR (Fdfw_device);
|
|
1392 DEFSUBR (Fselected_device);
|
|
1393 DEFSUBR (Fselect_device);
|
|
1394 DEFSUBR (Fset_device_selected_frame);
|
|
1395 DEFSUBR (Fdevicep);
|
|
1396 DEFSUBR (Fdevice_live_p);
|
|
1397 DEFSUBR (Fdevice_name);
|
|
1398 DEFSUBR (Fdevice_connection);
|
|
1399 DEFSUBR (Fdevice_console);
|
|
1400 DEFSUBR (Ffind_device);
|
|
1401 DEFSUBR (Fget_device);
|
|
1402 DEFSUBR (Fmake_device);
|
872
|
1403 DEFSUBR (Fdefault_device);
|
428
|
1404 DEFSUBR (Fdelete_device);
|
|
1405 DEFSUBR (Fdevice_frame_list);
|
|
1406 DEFSUBR (Fdevice_class);
|
|
1407 DEFSUBR (Fset_device_class);
|
|
1408 DEFSUBR (Fdevice_system_metrics);
|
|
1409 DEFSUBR (Fdevice_system_metric);
|
|
1410 DEFSUBR (Fset_device_baud_rate);
|
|
1411 DEFSUBR (Fdevice_baud_rate);
|
|
1412 DEFSUBR (Fdomain_device_type);
|
440
|
1413 DEFSUBR (Fdevice_printer_p);
|
428
|
1414
|
563
|
1415 DEFSYMBOL (Qdevicep);
|
|
1416 DEFSYMBOL (Qdevice_live_p);
|
428
|
1417
|
563
|
1418 DEFSYMBOL (Qcreate_device_hook);
|
|
1419 DEFSYMBOL (Qdelete_device_hook);
|
428
|
1420
|
|
1421 /* Qcolor defined in general.c */
|
563
|
1422 DEFSYMBOL (Qgrayscale);
|
|
1423 DEFSYMBOL (Qmono);
|
428
|
1424
|
|
1425 /* Device metrics symbols */
|
1942
|
1426 DEFSYMBOL (Qbacking_store);
|
563
|
1427 DEFSYMBOL (Qcolor_default);
|
|
1428 DEFSYMBOL (Qcolor_select);
|
|
1429 DEFSYMBOL (Qcolor_balloon);
|
|
1430 DEFSYMBOL (Qcolor_3d_face);
|
|
1431 DEFSYMBOL (Qcolor_3d_light);
|
|
1432 DEFSYMBOL (Qcolor_3d_dark);
|
|
1433 DEFSYMBOL (Qcolor_menu);
|
|
1434 DEFSYMBOL (Qcolor_menu_highlight);
|
|
1435 DEFSYMBOL (Qcolor_menu_button);
|
|
1436 DEFSYMBOL (Qcolor_menu_disabled);
|
|
1437 DEFSYMBOL (Qcolor_toolbar);
|
|
1438 DEFSYMBOL (Qcolor_scrollbar);
|
|
1439 DEFSYMBOL (Qcolor_desktop);
|
|
1440 DEFSYMBOL (Qcolor_workspace);
|
|
1441 DEFSYMBOL (Qfont_default);
|
|
1442 DEFSYMBOL (Qfont_menubar);
|
|
1443 DEFSYMBOL (Qfont_dialog);
|
|
1444 DEFSYMBOL (Qsize_cursor);
|
|
1445 DEFSYMBOL (Qsize_scrollbar);
|
|
1446 DEFSYMBOL (Qsize_menu);
|
|
1447 DEFSYMBOL (Qsize_toolbar);
|
|
1448 DEFSYMBOL (Qsize_toolbar_button);
|
|
1449 DEFSYMBOL (Qsize_toolbar_border);
|
|
1450 DEFSYMBOL (Qsize_icon);
|
|
1451 DEFSYMBOL (Qsize_icon_small);
|
|
1452 DEFSYMBOL (Qsize_device);
|
|
1453 DEFSYMBOL (Qsize_workspace);
|
|
1454 DEFSYMBOL (Qoffset_workspace);
|
|
1455 DEFSYMBOL (Qsize_device_mm);
|
|
1456 DEFSYMBOL (Qnum_bit_planes);
|
|
1457 DEFSYMBOL (Qnum_color_cells);
|
1942
|
1458 DEFSYMBOL (Qnum_screens);
|
563
|
1459 DEFSYMBOL (Qdevice_dpi);
|
|
1460 DEFSYMBOL (Qmouse_buttons);
|
1942
|
1461 DEFSYMBOL (Qsave_under);
|
563
|
1462 DEFSYMBOL (Qswap_buttons);
|
|
1463 DEFSYMBOL (Qshow_sounds);
|
|
1464 DEFSYMBOL (Qslow_device);
|
|
1465 DEFSYMBOL (Qsecurity);
|
428
|
1466 }
|
|
1467
|
|
1468 void
|
|
1469 reinit_vars_of_device (void)
|
|
1470 {
|
|
1471 staticpro_nodump (&Vdefault_device);
|
|
1472 Vdefault_device = Qnil;
|
|
1473 asynch_device_change_pending = 0;
|
|
1474 }
|
|
1475
|
|
1476 void
|
|
1477 vars_of_device (void)
|
|
1478 {
|
|
1479 reinit_vars_of_device ();
|
|
1480
|
|
1481 DEFVAR_LISP ("create-device-hook", &Vcreate_device_hook /*
|
|
1482 Function or functions to call when a device is created.
|
|
1483 One argument, the newly-created device.
|
|
1484 This is called after the first frame has been created, but before
|
|
1485 calling the `create-frame-hook'.
|
|
1486 Note that in general the device will not be selected.
|
|
1487 */ );
|
|
1488 Vcreate_device_hook = Qnil;
|
|
1489
|
|
1490 DEFVAR_LISP ("delete-device-hook", &Vdelete_device_hook /*
|
|
1491 Function or functions to call when a device is deleted.
|
|
1492 One argument, the to-be-deleted device.
|
|
1493 */ );
|
|
1494 Vdelete_device_hook = Qnil;
|
|
1495
|
872
|
1496 /* Plist of device types and their default devices. */
|
|
1497 Vdefault_device_plist = Qnil;
|
|
1498 staticpro (&Vdefault_device_plist);
|
|
1499
|
428
|
1500 Vdevice_class_list = list3 (Qcolor, Qgrayscale, Qmono);
|
|
1501 staticpro (&Vdevice_class_list);
|
|
1502
|
|
1503 /* Death to devices.el !!! */
|
617
|
1504 Fprovide (intern ("devices"));
|
428
|
1505 }
|