428
+ − 1 /* Events: printing them, converting them to and from characters.
+ − 2 Copyright (C) 1991, 1992, 1993, 1994 Free Software Foundation, Inc.
+ − 3 Copyright (C) 1994, 1995 Board of Trustees, University of Illinois.
788
+ − 4 Copyright (C) 2001, 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. */
+ − 24
+ − 25 /* This file has been Mule-ized. */
+ − 26
+ − 27 #include <config.h>
+ − 28 #include "lisp.h"
+ − 29 #include "buffer.h"
+ − 30 #include "console.h"
+ − 31 #include "device.h"
788
+ − 32 #include "extents.h"
428
+ − 33 #include "events.h"
872
+ − 34 #include "frame-impl.h"
428
+ − 35 #include "glyphs.h"
+ − 36 #include "keymap.h" /* for key_desc_list_to_event() */
788
+ − 37 #include "lstream.h"
428
+ − 38 #include "redisplay.h"
800
+ − 39 #include "toolbar.h"
428
+ − 40 #include "window.h"
+ − 41
872
+ − 42 #include "console-tty-impl.h" /* for stuff in character_to_event */
800
+ − 43
428
+ − 44 /* Where old events go when they are explicitly deallocated.
+ − 45 The event chain here is cut loose before GC, so these will be freed
+ − 46 eventually.
+ − 47 */
+ − 48 static Lisp_Object Vevent_resource;
+ − 49
+ − 50 Lisp_Object Qeventp;
+ − 51 Lisp_Object Qevent_live_p;
+ − 52 Lisp_Object Qkey_press_event_p;
+ − 53 Lisp_Object Qbutton_event_p;
+ − 54 Lisp_Object Qmouse_event_p;
+ − 55 Lisp_Object Qprocess_event_p;
+ − 56
+ − 57 Lisp_Object Qkey_press, Qbutton_press, Qbutton_release, Qmisc_user;
+ − 58 Lisp_Object Qascii_character;
+ − 59
771
+ − 60
+ − 61 /************************************************************************/
+ − 62 /* definition of event object */
+ − 63 /************************************************************************/
428
+ − 64
+ − 65 /* #### Ad-hoc hack. Should be part of define_lrecord_implementation */
+ − 66 void
+ − 67 clear_event_resource (void)
+ − 68 {
+ − 69 Vevent_resource = Qnil;
+ − 70 }
+ − 71
934
+ − 72 /* Make sure we lose quickly if we try to use this event */
+ − 73 static void
+ − 74 deinitialize_event (Lisp_Object ev)
+ − 75 {
+ − 76 Lisp_Event *event = XEVENT (ev);
+ − 77
1204
+ − 78 int i;
+ − 79 for (i = 0; i < (int) (sizeof (Lisp_Event) / sizeof (int)); i++)
+ − 80 ((int *) event) [i] = 0xdeadbeef; /* -559038737 base 10 */
+ − 81 set_lheader_implementation (&event->lheader, &lrecord_event);
934
+ − 82 set_event_type (event, dead_event);
+ − 83 SET_EVENT_CHANNEL (event, Qnil);
428
+ − 84 XSET_EVENT_NEXT (ev, Qnil);
+ − 85 }
+ − 86
+ − 87 /* Set everything to zero or nil so that it's predictable. */
+ − 88 void
440
+ − 89 zero_event (Lisp_Event *e)
428
+ − 90 {
+ − 91 xzero (*e);
442
+ − 92 set_lheader_implementation (&e->lheader, &lrecord_event);
1204
+ − 93 set_event_type (e, empty_event);
+ − 94 SET_EVENT_CHANNEL (e, Qnil);
+ − 95 SET_EVENT_NEXT (e, Qnil);
428
+ − 96 }
+ − 97
1204
+ − 98 static const struct memory_description key_data_description_1 [] = {
+ − 99 { XD_LISP_OBJECT, offsetof (struct Lisp_Key_Data, keysym) },
+ − 100 { XD_END }
+ − 101 };
+ − 102
+ − 103 static const struct sized_memory_description key_data_description = {
+ − 104 sizeof (Lisp_Key_Data), key_data_description_1
+ − 105 };
+ − 106
+ − 107 static const struct memory_description button_data_description_1 [] = {
+ − 108 { XD_END }
+ − 109 };
+ − 110
+ − 111 static const struct sized_memory_description button_data_description = {
+ − 112 sizeof (Lisp_Button_Data), button_data_description_1
+ − 113 };
+ − 114
+ − 115 static const struct memory_description motion_data_description_1 [] = {
+ − 116 { XD_END }
+ − 117 };
+ − 118
+ − 119 static const struct sized_memory_description motion_data_description = {
+ − 120 sizeof (Lisp_Motion_Data), motion_data_description_1
+ − 121 };
+ − 122
+ − 123 static const struct memory_description process_data_description_1 [] = {
+ − 124 { XD_LISP_OBJECT, offsetof (struct Lisp_Process_Data, process) },
+ − 125 { XD_END }
+ − 126 };
+ − 127
+ − 128 static const struct sized_memory_description process_data_description = {
+ − 129 sizeof (Lisp_Process_Data), process_data_description_1
+ − 130 };
+ − 131
+ − 132 static const struct memory_description timeout_data_description_1 [] = {
+ − 133 { XD_LISP_OBJECT, offsetof (struct Lisp_Timeout_Data, function) },
+ − 134 { XD_LISP_OBJECT, offsetof (struct Lisp_Timeout_Data, object) },
+ − 135 { XD_END }
+ − 136 };
+ − 137
+ − 138 static const struct sized_memory_description timeout_data_description = {
+ − 139 sizeof (Lisp_Timeout_Data), timeout_data_description_1
+ − 140 };
+ − 141
+ − 142 static const struct memory_description eval_data_description_1 [] = {
+ − 143 { XD_LISP_OBJECT, offsetof (struct Lisp_Eval_Data, function) },
+ − 144 { XD_LISP_OBJECT, offsetof (struct Lisp_Eval_Data, object) },
+ − 145 { XD_END }
+ − 146 };
+ − 147
+ − 148 static const struct sized_memory_description eval_data_description = {
+ − 149 sizeof (Lisp_Eval_Data), eval_data_description_1
+ − 150 };
+ − 151
+ − 152 static const struct memory_description misc_user_data_description_1 [] = {
+ − 153 { XD_LISP_OBJECT, offsetof (struct Lisp_Misc_User_Data, function) },
+ − 154 { XD_LISP_OBJECT, offsetof (struct Lisp_Misc_User_Data, object) },
+ − 155 { XD_END }
+ − 156 };
+ − 157
+ − 158 static const struct sized_memory_description misc_user_data_description = {
+ − 159 sizeof (Lisp_Misc_User_Data), misc_user_data_description_1
+ − 160 };
+ − 161
+ − 162 static const struct memory_description magic_eval_data_description_1 [] = {
+ − 163 { XD_LISP_OBJECT, offsetof (struct Lisp_Magic_Eval_Data, object) },
+ − 164 { XD_END }
+ − 165 };
+ − 166
+ − 167 static const struct sized_memory_description magic_eval_data_description = {
+ − 168 sizeof (Lisp_Magic_Eval_Data), magic_eval_data_description_1
+ − 169 };
+ − 170
+ − 171 static const struct memory_description magic_data_description_1 [] = {
+ − 172 { XD_END }
+ − 173 };
+ − 174
+ − 175 static const struct sized_memory_description magic_data_description = {
+ − 176 sizeof (Lisp_Magic_Data), magic_data_description_1
+ − 177 };
+ − 178
+ − 179 static const struct memory_description event_data_description_1 [] = {
+ − 180 { XD_STRUCT_ARRAY, key_press_event, 1, &key_data_description },
+ − 181 { XD_STRUCT_ARRAY, button_press_event, 1, &button_data_description },
+ − 182 { XD_STRUCT_ARRAY, button_release_event, 1, &button_data_description },
+ − 183 { XD_STRUCT_ARRAY, pointer_motion_event, 1, &motion_data_description },
+ − 184 { XD_STRUCT_ARRAY, process_event, 1, &process_data_description },
+ − 185 { XD_STRUCT_ARRAY, timeout_event, 1, &timeout_data_description },
+ − 186 { XD_STRUCT_ARRAY, magic_event, 1, &magic_data_description },
+ − 187 { XD_STRUCT_ARRAY, magic_eval_event, 1, &magic_eval_data_description },
+ − 188 { XD_STRUCT_ARRAY, eval_event, 1, &eval_data_description },
+ − 189 { XD_STRUCT_ARRAY, misc_user_event, 1, &misc_user_data_description },
+ − 190 { XD_END }
+ − 191 };
+ − 192
+ − 193 static const struct sized_memory_description event_data_description = {
+ − 194 0, event_data_description_1
+ − 195 };
+ − 196
+ − 197 static const struct memory_description event_description [] = {
+ − 198 { XD_INT, offsetof (struct Lisp_Event, event_type) },
+ − 199 { XD_LISP_OBJECT, offsetof (struct Lisp_Event, next) },
+ − 200 { XD_LISP_OBJECT, offsetof (struct Lisp_Event, channel) },
+ − 201 { XD_UNION, offsetof (struct Lisp_Event, event),
+ − 202 XD_INDIRECT (0, 0), &event_data_description },
+ − 203 { XD_END }
+ − 204 };
+ − 205
+ − 206 #ifdef EVENT_DATA_AS_OBJECTS
+ − 207
+ − 208 DEFINE_BASIC_LRECORD_IMPLEMENTATION ("key-data", key_data,
+ − 209 0, /*dumpable-flag*/
+ − 210 0, 0, 0, 0, 0,
+ − 211 key_data_description,
+ − 212 Lisp_Key_Data);
+ − 213
+ − 214 DEFINE_BASIC_LRECORD_IMPLEMENTATION ("button-data", button_data,
+ − 215 0, /*dumpable-flag*/
+ − 216 0, 0, 0, 0, 0,
+ − 217 button_data_description,
+ − 218 Lisp_Button_Data);
+ − 219
+ − 220 DEFINE_BASIC_LRECORD_IMPLEMENTATION ("motion-data", motion_data,
+ − 221 0, /*dumpable-flag*/
+ − 222 0, 0, 0, 0, 0,
+ − 223 motion_data_description,
+ − 224 Lisp_Motion_Data);
+ − 225
+ − 226 DEFINE_BASIC_LRECORD_IMPLEMENTATION ("process-data", process_data,
+ − 227 0, /*dumpable-flag*/
+ − 228 0, 0, 0, 0, 0,
+ − 229 process_data_description,
+ − 230 Lisp_Process_Data);
+ − 231
+ − 232 DEFINE_BASIC_LRECORD_IMPLEMENTATION ("timeout-data", timeout_data,
+ − 233 0, /*dumpable-flag*/
+ − 234 0, 0, 0, 0, 0,
+ − 235 timeout_data_description,
+ − 236 Lisp_Timeout_Data);
+ − 237
+ − 238 DEFINE_BASIC_LRECORD_IMPLEMENTATION ("eval-data", eval_data,
+ − 239 0, /*dumpable-flag*/
+ − 240 0, 0, 0, 0, 0,
+ − 241 eval_data_description,
+ − 242 Lisp_Eval_Data);
+ − 243
+ − 244 DEFINE_BASIC_LRECORD_IMPLEMENTATION ("misc-user-data", misc_user_data,
+ − 245 0, /*dumpable-flag*/
+ − 246 0, 0, 0, 0, 0,
+ − 247 misc_user_data_description,
+ − 248 Lisp_Misc_User_Data);
+ − 249
+ − 250 DEFINE_BASIC_LRECORD_IMPLEMENTATION ("magic-eval-data", magic_eval_data,
+ − 251 0, /*dumpable-flag*/
+ − 252 0, 0, 0, 0, 0,
+ − 253 magic_eval_data_description,
+ − 254 Lisp_Magic_Eval_Data);
+ − 255
+ − 256 DEFINE_BASIC_LRECORD_IMPLEMENTATION ("magic-data", magic_data,
+ − 257 0, /*dumpable-flag*/
+ − 258 0, 0, 0, 0, 0,
+ − 259 magic_data_description,
+ − 260 Lisp_Magic_Data);
+ − 261
+ − 262 #endif /* EVENT_DATA_AS_OBJECTS */
+ − 263
428
+ − 264 static Lisp_Object
+ − 265 mark_event (Lisp_Object obj)
+ − 266 {
440
+ − 267 Lisp_Event *event = XEVENT (obj);
428
+ − 268
+ − 269 switch (event->event_type)
+ − 270 {
+ − 271 case key_press_event:
1204
+ − 272 mark_object (EVENT_KEY_KEYSYM (event));
428
+ − 273 break;
+ − 274 case process_event:
1204
+ − 275 mark_object (EVENT_PROCESS_PROCESS (event));
428
+ − 276 break;
+ − 277 case timeout_event:
1204
+ − 278 mark_object (EVENT_TIMEOUT_FUNCTION (event));
+ − 279 mark_object (EVENT_TIMEOUT_OBJECT (event));
428
+ − 280 break;
+ − 281 case eval_event:
+ − 282 case misc_user_event:
1204
+ − 283 mark_object (EVENT_EVAL_FUNCTION (event));
+ − 284 mark_object (EVENT_EVAL_OBJECT (event));
428
+ − 285 break;
+ − 286 case magic_eval_event:
1204
+ − 287 mark_object (EVENT_MAGIC_EVAL_OBJECT (event));
428
+ − 288 break;
+ − 289 case button_press_event:
+ − 290 case button_release_event:
+ − 291 case pointer_motion_event:
+ − 292 case magic_event:
+ − 293 case empty_event:
+ − 294 case dead_event:
+ − 295 break;
+ − 296 default:
+ − 297 abort ();
+ − 298 }
+ − 299 mark_object (event->channel);
+ − 300 return event->next;
+ − 301 }
+ − 302
+ − 303 static void
442
+ − 304 print_event_1 (const char *str, Lisp_Object obj, Lisp_Object printcharfun)
428
+ − 305 {
793
+ − 306 DECLARE_EISTRING_MALLOC (ei);
826
+ − 307 write_c_string (printcharfun, str);
1204
+ − 308 format_event_object (ei, obj, 0);
826
+ − 309 write_eistring (printcharfun, ei);
793
+ − 310 eifree (ei);
428
+ − 311 }
+ − 312
+ − 313 static void
+ − 314 print_event (Lisp_Object obj, Lisp_Object printcharfun, int escapeflag)
+ − 315 {
+ − 316 if (print_readably)
563
+ − 317 printing_unreadable_object ("#<event>");
428
+ − 318
+ − 319 switch (XEVENT (obj)->event_type)
+ − 320 {
+ − 321 case key_press_event:
+ − 322 print_event_1 ("#<keypress-event ", obj, printcharfun);
+ − 323 break;
+ − 324 case button_press_event:
+ − 325 print_event_1 ("#<buttondown-event ", obj, printcharfun);
+ − 326 break;
+ − 327 case button_release_event:
+ − 328 print_event_1 ("#<buttonup-event ", obj, printcharfun);
+ − 329 break;
+ − 330 case magic_event:
+ − 331 case magic_eval_event:
+ − 332 print_event_1 ("#<magic-event ", obj, printcharfun);
+ − 333 break;
+ − 334 case pointer_motion_event:
+ − 335 {
+ − 336 Lisp_Object Vx, Vy;
+ − 337 Vx = Fevent_x_pixel (obj);
+ − 338 assert (INTP (Vx));
+ − 339 Vy = Fevent_y_pixel (obj);
+ − 340 assert (INTP (Vy));
793
+ − 341 write_fmt_string (printcharfun, "#<motion-event %ld, %ld",
+ − 342 (long) XINT (Vx), (long) XINT (Vy));
428
+ − 343 break;
+ − 344 }
+ − 345 case process_event:
1204
+ − 346 write_fmt_string_lisp (printcharfun, "#<process-event %S", 1,
+ − 347 XEVENT_PROCESS_PROCESS (obj));
428
+ − 348 break;
+ − 349 case timeout_event:
1204
+ − 350 write_fmt_string_lisp (printcharfun, "#<timeout-event %S", 1,
+ − 351 XEVENT_TIMEOUT_OBJECT (obj));
428
+ − 352 break;
+ − 353 case empty_event:
826
+ − 354 write_c_string (printcharfun, "#<empty-event");
428
+ − 355 break;
+ − 356 case misc_user_event:
1204
+ − 357 write_fmt_string_lisp (printcharfun, "#<misc-user-event (%S", 1,
+ − 358 XEVENT_MISC_USER_FUNCTION (obj));
+ − 359 write_fmt_string_lisp (printcharfun, " %S)", 1,
+ − 360 XEVENT_MISC_USER_OBJECT (obj));
428
+ − 361 break;
+ − 362 case eval_event:
1204
+ − 363 write_fmt_string_lisp (printcharfun, "#<eval-event (%S", 1,
+ − 364 XEVENT_EVAL_FUNCTION (obj));
+ − 365 write_fmt_string_lisp (printcharfun, " %S)", 1,
+ − 366 XEVENT_EVAL_OBJECT (obj));
428
+ − 367 break;
+ − 368 case dead_event:
826
+ − 369 write_c_string (printcharfun, "#<DEALLOCATED-EVENT");
428
+ − 370 break;
+ − 371 default:
826
+ − 372 write_c_string (printcharfun, "#<UNKNOWN-EVENT-TYPE");
428
+ − 373 break;
+ − 374 }
826
+ − 375 write_c_string (printcharfun, ">");
428
+ − 376 }
+ − 377
+ − 378 static int
+ − 379 event_equal (Lisp_Object obj1, Lisp_Object obj2, int depth)
+ − 380 {
440
+ − 381 Lisp_Event *e1 = XEVENT (obj1);
+ − 382 Lisp_Event *e2 = XEVENT (obj2);
428
+ − 383
+ − 384 if (e1->event_type != e2->event_type) return 0;
+ − 385 if (!EQ (e1->channel, e2->channel)) return 0;
+ − 386 /* if (e1->timestamp != e2->timestamp) return 0; */
+ − 387 switch (e1->event_type)
+ − 388 {
+ − 389 default: abort ();
+ − 390
+ − 391 case process_event:
1204
+ − 392 return EQ (EVENT_PROCESS_PROCESS (e1), EVENT_PROCESS_PROCESS (e2));
428
+ − 393
+ − 394 case timeout_event:
1204
+ − 395 return (internal_equal (EVENT_TIMEOUT_FUNCTION (e1),
+ − 396 EVENT_TIMEOUT_FUNCTION (e2), 0) &&
+ − 397 internal_equal (EVENT_TIMEOUT_OBJECT (e1),
+ − 398 EVENT_TIMEOUT_OBJECT (e2), 0));
428
+ − 399
+ − 400 case key_press_event:
1204
+ − 401 return (EQ (EVENT_KEY_KEYSYM (e1), EVENT_KEY_KEYSYM (e2)) &&
+ − 402 (EVENT_KEY_MODIFIERS (e1) == EVENT_KEY_MODIFIERS (e2)));
428
+ − 403
+ − 404 case button_press_event:
+ − 405 case button_release_event:
1204
+ − 406 return (EVENT_BUTTON_BUTTON (e1) == EVENT_BUTTON_BUTTON (e2) &&
+ − 407 EVENT_BUTTON_MODIFIERS (e1) == EVENT_BUTTON_MODIFIERS (e2));
428
+ − 408
+ − 409 case pointer_motion_event:
1204
+ − 410 return (EVENT_MOTION_X (e1) == EVENT_MOTION_X (e2) &&
+ − 411 EVENT_MOTION_Y (e1) == EVENT_MOTION_Y (e2));
428
+ − 412
+ − 413 case misc_user_event:
1204
+ − 414 return (internal_equal (EVENT_EVAL_FUNCTION (e1),
+ − 415 EVENT_EVAL_FUNCTION (e2), 0) &&
+ − 416 internal_equal (EVENT_EVAL_OBJECT (e1),
+ − 417 EVENT_EVAL_OBJECT (e2), 0) &&
+ − 418 /* #### is this really needed for equality
428
+ − 419 or is x and y also important? */
1204
+ − 420 EVENT_MISC_USER_BUTTON (e1) == EVENT_MISC_USER_BUTTON (e2) &&
+ − 421 EVENT_MISC_USER_MODIFIERS (e1) == EVENT_MISC_USER_MODIFIERS (e2));
428
+ − 422
+ − 423 case eval_event:
1204
+ − 424 return (internal_equal (EVENT_EVAL_FUNCTION (e1),
+ − 425 EVENT_EVAL_FUNCTION (e2), 0) &&
+ − 426 internal_equal (EVENT_EVAL_OBJECT (e1),
+ − 427 EVENT_EVAL_OBJECT (e2), 0));
428
+ − 428
+ − 429 case magic_eval_event:
1204
+ − 430 return (EVENT_MAGIC_EVAL_INTERNAL_FUNCTION (e1) ==
+ − 431 EVENT_MAGIC_EVAL_INTERNAL_FUNCTION (e2) &&
+ − 432 internal_equal (EVENT_MAGIC_EVAL_OBJECT (e1),
+ − 433 EVENT_MAGIC_EVAL_OBJECT (e2), 0));
428
+ − 434
+ − 435 case magic_event:
788
+ − 436 return event_stream_compare_magic_event (e1, e2);
428
+ − 437
+ − 438 case empty_event: /* Empty and deallocated events are equal. */
+ − 439 case dead_event:
+ − 440 return 1;
+ − 441 }
+ − 442 }
+ − 443
665
+ − 444 static Hashcode
428
+ − 445 event_hash (Lisp_Object obj, int depth)
+ − 446 {
440
+ − 447 Lisp_Event *e = XEVENT (obj);
665
+ − 448 Hashcode hash;
428
+ − 449
+ − 450 hash = HASH2 (e->event_type, LISP_HASH (e->channel));
+ − 451 switch (e->event_type)
+ − 452 {
+ − 453 case process_event:
1204
+ − 454 return HASH2 (hash, LISP_HASH (EVENT_PROCESS_PROCESS (e)));
428
+ − 455
+ − 456 case timeout_event:
1204
+ − 457 return HASH3 (hash,
+ − 458 internal_hash (EVENT_TIMEOUT_FUNCTION (e), depth + 1),
+ − 459 internal_hash (EVENT_TIMEOUT_OBJECT (e), depth + 1));
428
+ − 460
+ − 461 case key_press_event:
1204
+ − 462 return HASH3 (hash, LISP_HASH (EVENT_KEY_KEYSYM (e)),
+ − 463 EVENT_KEY_MODIFIERS (e));
428
+ − 464
+ − 465 case button_press_event:
+ − 466 case button_release_event:
1204
+ − 467 return HASH3 (hash, EVENT_BUTTON_BUTTON (e), EVENT_BUTTON_MODIFIERS (e));
428
+ − 468
+ − 469 case pointer_motion_event:
1204
+ − 470 return HASH3 (hash, EVENT_MOTION_X (e), EVENT_MOTION_Y (e));
428
+ − 471
+ − 472 case misc_user_event:
1204
+ − 473 return HASH5 (hash,
+ − 474 internal_hash (EVENT_MISC_USER_FUNCTION (e), depth + 1),
+ − 475 internal_hash (EVENT_MISC_USER_OBJECT (e), depth + 1),
+ − 476 EVENT_MISC_USER_BUTTON (e), EVENT_MISC_USER_MODIFIERS (e));
428
+ − 477
+ − 478 case eval_event:
1204
+ − 479 return HASH3 (hash, internal_hash (EVENT_EVAL_FUNCTION (e), depth + 1),
+ − 480 internal_hash (EVENT_EVAL_OBJECT (e), depth + 1));
428
+ − 481
+ − 482 case magic_eval_event:
+ − 483 return HASH3 (hash,
1204
+ − 484 (Hashcode) EVENT_MAGIC_EVAL_INTERNAL_FUNCTION (e),
+ − 485 internal_hash (EVENT_MAGIC_EVAL_OBJECT (e), depth + 1));
428
+ − 486
+ − 487 case magic_event:
788
+ − 488 return HASH2 (hash, event_stream_hash_magic_event (e));
428
+ − 489
+ − 490 case empty_event:
+ − 491 case dead_event:
+ − 492 return hash;
+ − 493
+ − 494 default:
+ − 495 abort ();
+ − 496 }
+ − 497
+ − 498 return 0; /* unreached */
+ − 499 }
934
+ − 500
+ − 501 DEFINE_BASIC_LRECORD_IMPLEMENTATION ("event", event,
+ − 502 0, /*dumpable-flag*/
+ − 503 mark_event, print_event, 0, event_equal,
1204
+ − 504 event_hash, event_description,
+ − 505 Lisp_Event);
428
+ − 506
+ − 507 DEFUN ("make-event", Fmake_event, 0, 2, 0, /*
+ − 508 Return a new event of type TYPE, with properties described by PLIST.
+ − 509
+ − 510 TYPE is a symbol, either `empty', `key-press', `button-press',
+ − 511 `button-release', `misc-user' or `motion'. If TYPE is nil, it
+ − 512 defaults to `empty'.
+ − 513
+ − 514 PLIST is a property list, the properties being compatible to those
+ − 515 returned by `event-properties'. The following properties are
+ − 516 allowed:
+ − 517
+ − 518 channel -- The event channel, a frame or a console. For
+ − 519 button-press, button-release, misc-user and motion events,
+ − 520 this must be a frame. For key-press events, it must be
+ − 521 a console. If channel is unspecified, it will be set to
+ − 522 the selected frame or selected console, as appropriate.
+ − 523 key -- The event key, a symbol or character. Allowed only for
+ − 524 keypress events.
+ − 525 button -- The event button, integer 1, 2 or 3. Allowed for
+ − 526 button-press, button-release and misc-user events.
+ − 527 modifiers -- The event modifiers, a list of modifier symbols. Allowed
+ − 528 for key-press, button-press, button-release, motion and
+ − 529 misc-user events.
+ − 530 function -- Function. Allowed for misc-user events only.
+ − 531 object -- An object, function's parameter. Allowed for misc-user
+ − 532 events only.
+ − 533 x -- The event X coordinate, an integer. This is relative
+ − 534 to the left of CHANNEL's root window. Allowed for
+ − 535 motion, button-press, button-release and misc-user events.
+ − 536 y -- The event Y coordinate, an integer. This is relative
+ − 537 to the top of CHANNEL's root window. Allowed for
+ − 538 motion, button-press, button-release and misc-user events.
+ − 539 timestamp -- The event timestamp, a non-negative integer. Allowed for
+ − 540 all types of events. If unspecified, it will be set to 0
+ − 541 by default.
+ − 542
+ − 543 For event type `empty', PLIST must be nil.
+ − 544 `button-release', or `motion'. If TYPE is left out, it defaults to
+ − 545 `empty'.
+ − 546 PLIST is a list of properties, as returned by `event-properties'. Not
+ − 547 all properties are allowed for all kinds of events, and some are
+ − 548 required.
+ − 549
+ − 550 WARNING: the event object returned may be a reused one; see the function
+ − 551 `deallocate-event'.
+ − 552 */
+ − 553 (type, plist))
+ − 554 {
+ − 555 Lisp_Object event = Qnil;
440
+ − 556 Lisp_Event *e;
428
+ − 557 EMACS_INT coord_x = 0, coord_y = 0;
+ − 558 struct gcpro gcpro1;
+ − 559
+ − 560 GCPRO1 (event);
+ − 561
+ − 562 if (NILP (type))
+ − 563 type = Qempty;
+ − 564
+ − 565 if (!NILP (Vevent_resource))
+ − 566 {
+ − 567 event = Vevent_resource;
+ − 568 Vevent_resource = XEVENT_NEXT (event);
+ − 569 }
+ − 570 else
+ − 571 {
+ − 572 event = allocate_event ();
+ − 573 }
+ − 574 e = XEVENT (event);
+ − 575 zero_event (e);
+ − 576
+ − 577 if (EQ (type, Qempty))
+ − 578 {
+ − 579 /* For empty event, we return immediately, without processing
+ − 580 PLIST. In fact, processing PLIST would be wrong, because the
+ − 581 sanitizing process would fill in the properties
+ − 582 (e.g. CHANNEL), which we don't want in empty events. */
934
+ − 583 set_event_type (e, empty_event);
428
+ − 584 if (!NILP (plist))
563
+ − 585 invalid_operation ("Cannot set properties of empty event", plist);
428
+ − 586 UNGCPRO;
+ − 587 return event;
+ − 588 }
+ − 589 else if (EQ (type, Qkey_press))
+ − 590 {
934
+ − 591 set_event_type (e, key_press_event);
1204
+ − 592 SET_EVENT_KEY_KEYSYM (e, Qunbound);
428
+ − 593 }
+ − 594 else if (EQ (type, Qbutton_press))
934
+ − 595 set_event_type (e, button_press_event);
428
+ − 596 else if (EQ (type, Qbutton_release))
934
+ − 597 set_event_type (e, button_release_event);
428
+ − 598 else if (EQ (type, Qmotion))
934
+ − 599 set_event_type (e, pointer_motion_event);
428
+ − 600 else if (EQ (type, Qmisc_user))
+ − 601 {
934
+ − 602 set_event_type (e, misc_user_event);
1204
+ − 603 SET_EVENT_MISC_USER_FUNCTION (e, Qnil);
+ − 604 SET_EVENT_MISC_USER_OBJECT (e, Qnil);
428
+ − 605 }
+ − 606 else
+ − 607 {
+ − 608 /* Not allowed: Qprocess, Qtimeout, Qmagic, Qeval, Qmagic_eval. */
563
+ − 609 invalid_constant ("Invalid event type", type);
428
+ − 610 }
+ − 611
+ − 612 EVENT_CHANNEL (e) = Qnil;
+ − 613
+ − 614 plist = Fcopy_sequence (plist);
+ − 615 Fcanonicalize_plist (plist, Qnil);
+ − 616
442
+ − 617 #define WRONG_EVENT_TYPE_FOR_PROPERTY(event_type, prop) \
563
+ − 618 invalid_argument_2 ("Invalid property for event type", prop, event_type)
428
+ − 619
442
+ − 620 {
+ − 621 EXTERNAL_PROPERTY_LIST_LOOP_3 (keyword, value, plist)
+ − 622 {
+ − 623 if (EQ (keyword, Qchannel))
+ − 624 {
1204
+ − 625 if (EVENT_TYPE (e) == key_press_event)
442
+ − 626 {
+ − 627 if (!CONSOLEP (value))
+ − 628 value = wrong_type_argument (Qconsolep, value);
+ − 629 }
+ − 630 else
+ − 631 {
+ − 632 if (!FRAMEP (value))
+ − 633 value = wrong_type_argument (Qframep, value);
+ − 634 }
+ − 635 EVENT_CHANNEL (e) = value;
+ − 636 }
+ − 637 else if (EQ (keyword, Qkey))
+ − 638 {
1204
+ − 639 switch (EVENT_TYPE (e))
442
+ − 640 {
+ − 641 case key_press_event:
+ − 642 if (!SYMBOLP (value) && !CHARP (value))
563
+ − 643 invalid_argument ("Invalid event key", value);
1204
+ − 644 SET_EVENT_KEY_KEYSYM (e, value);
442
+ − 645 break;
+ − 646 default:
+ − 647 WRONG_EVENT_TYPE_FOR_PROPERTY (type, keyword);
+ − 648 break;
+ − 649 }
+ − 650 }
+ − 651 else if (EQ (keyword, Qbutton))
+ − 652 {
+ − 653 CHECK_NATNUM (value);
+ − 654 check_int_range (XINT (value), 0, 7);
428
+ − 655
1204
+ − 656 switch (EVENT_TYPE (e))
442
+ − 657 {
+ − 658 case button_press_event:
+ − 659 case button_release_event:
1204
+ − 660 SET_EVENT_BUTTON_BUTTON (e, XINT (value));
442
+ − 661 break;
+ − 662 case misc_user_event:
1204
+ − 663 SET_EVENT_MISC_USER_BUTTON (e, XINT (value));
442
+ − 664 break;
+ − 665 default:
+ − 666 WRONG_EVENT_TYPE_FOR_PROPERTY (type, keyword);
+ − 667 break;
+ − 668 }
+ − 669 }
+ − 670 else if (EQ (keyword, Qmodifiers))
+ − 671 {
+ − 672 int modifiers = 0;
428
+ − 673
442
+ − 674 EXTERNAL_LIST_LOOP_2 (sym, value)
+ − 675 {
+ − 676 if (EQ (sym, Qcontrol)) modifiers |= XEMACS_MOD_CONTROL;
+ − 677 else if (EQ (sym, Qmeta)) modifiers |= XEMACS_MOD_META;
+ − 678 else if (EQ (sym, Qsuper)) modifiers |= XEMACS_MOD_SUPER;
+ − 679 else if (EQ (sym, Qhyper)) modifiers |= XEMACS_MOD_HYPER;
+ − 680 else if (EQ (sym, Qalt)) modifiers |= XEMACS_MOD_ALT;
+ − 681 else if (EQ (sym, Qsymbol)) modifiers |= XEMACS_MOD_ALT;
+ − 682 else if (EQ (sym, Qshift)) modifiers |= XEMACS_MOD_SHIFT;
+ − 683 else if (EQ (sym, Qbutton1)) modifiers |= XEMACS_MOD_BUTTON1;
+ − 684 else if (EQ (sym, Qbutton2)) modifiers |= XEMACS_MOD_BUTTON2;
+ − 685 else if (EQ (sym, Qbutton3)) modifiers |= XEMACS_MOD_BUTTON3;
+ − 686 else if (EQ (sym, Qbutton4)) modifiers |= XEMACS_MOD_BUTTON4;
+ − 687 else if (EQ (sym, Qbutton5)) modifiers |= XEMACS_MOD_BUTTON5;
+ − 688 else
563
+ − 689 invalid_constant ("Invalid key modifier", sym);
442
+ − 690 }
428
+ − 691
1204
+ − 692 switch (EVENT_TYPE (e))
442
+ − 693 {
+ − 694 case key_press_event:
1204
+ − 695 SET_EVENT_KEY_MODIFIERS (e, modifiers);
442
+ − 696 break;
+ − 697 case button_press_event:
+ − 698 case button_release_event:
1204
+ − 699 SET_EVENT_BUTTON_MODIFIERS (e, modifiers);
442
+ − 700 break;
+ − 701 case pointer_motion_event:
1204
+ − 702 SET_EVENT_MOTION_MODIFIERS (e, modifiers);
442
+ − 703 break;
+ − 704 case misc_user_event:
1204
+ − 705 SET_EVENT_MISC_USER_MODIFIERS (e, modifiers);
442
+ − 706 break;
+ − 707 default:
+ − 708 WRONG_EVENT_TYPE_FOR_PROPERTY (type, keyword);
+ − 709 break;
+ − 710 }
+ − 711 }
+ − 712 else if (EQ (keyword, Qx))
+ − 713 {
1204
+ − 714 switch (EVENT_TYPE (e))
442
+ − 715 {
+ − 716 case pointer_motion_event:
+ − 717 case button_press_event:
+ − 718 case button_release_event:
+ − 719 case misc_user_event:
+ − 720 /* Allow negative values, so we can specify toolbar
+ − 721 positions. */
+ − 722 CHECK_INT (value);
+ − 723 coord_x = XINT (value);
+ − 724 break;
+ − 725 default:
+ − 726 WRONG_EVENT_TYPE_FOR_PROPERTY (type, keyword);
+ − 727 break;
+ − 728 }
+ − 729 }
+ − 730 else if (EQ (keyword, Qy))
+ − 731 {
1204
+ − 732 switch (EVENT_TYPE (e))
442
+ − 733 {
+ − 734 case pointer_motion_event:
+ − 735 case button_press_event:
+ − 736 case button_release_event:
+ − 737 case misc_user_event:
+ − 738 /* Allow negative values; see above. */
+ − 739 CHECK_INT (value);
+ − 740 coord_y = XINT (value);
+ − 741 break;
+ − 742 default:
+ − 743 WRONG_EVENT_TYPE_FOR_PROPERTY (type, keyword);
+ − 744 break;
+ − 745 }
+ − 746 }
+ − 747 else if (EQ (keyword, Qtimestamp))
+ − 748 {
+ − 749 CHECK_NATNUM (value);
934
+ − 750 SET_EVENT_TIMESTAMP (e, XINT (value));
442
+ − 751 }
+ − 752 else if (EQ (keyword, Qfunction))
+ − 753 {
1204
+ − 754 switch (EVENT_TYPE (e))
442
+ − 755 {
+ − 756 case misc_user_event:
1204
+ − 757 SET_EVENT_MISC_USER_FUNCTION (e, value);
442
+ − 758 break;
+ − 759 default:
+ − 760 WRONG_EVENT_TYPE_FOR_PROPERTY (type, keyword);
+ − 761 break;
+ − 762 }
+ − 763 }
+ − 764 else if (EQ (keyword, Qobject))
+ − 765 {
1204
+ − 766 switch (EVENT_TYPE (e))
442
+ − 767 {
+ − 768 case misc_user_event:
1204
+ − 769 SET_EVENT_MISC_USER_OBJECT (e, value);
442
+ − 770 break;
+ − 771 default:
+ − 772 WRONG_EVENT_TYPE_FOR_PROPERTY (type, keyword);
+ − 773 break;
+ − 774 }
+ − 775 }
+ − 776 else
563
+ − 777 invalid_constant_2 ("Invalid property", keyword, value);
442
+ − 778 }
+ − 779 }
428
+ − 780
+ − 781 /* Insert the channel, if missing. */
+ − 782 if (NILP (EVENT_CHANNEL (e)))
+ − 783 {
934
+ − 784 if (EVENT_TYPE (e) == key_press_event)
428
+ − 785 EVENT_CHANNEL (e) = Vselected_console;
+ − 786 else
+ − 787 EVENT_CHANNEL (e) = Fselected_frame (Qnil);
+ − 788 }
+ − 789
+ − 790 /* Fevent_properties, Fevent_x_pixel, etc. work with pixels relative
+ − 791 to the frame, so we must adjust accordingly. */
+ − 792 if (FRAMEP (EVENT_CHANNEL (e)))
+ − 793 {
+ − 794 coord_x += FRAME_REAL_LEFT_TOOLBAR_WIDTH (XFRAME (EVENT_CHANNEL (e)));
+ − 795 coord_y += FRAME_REAL_TOP_TOOLBAR_HEIGHT (XFRAME (EVENT_CHANNEL (e)));
+ − 796
+ − 797 switch (e->event_type)
+ − 798 {
+ − 799 case pointer_motion_event:
1204
+ − 800 SET_EVENT_MOTION_X (e, coord_x);
+ − 801 SET_EVENT_MOTION_Y (e, coord_y);
428
+ − 802 break;
+ − 803 case button_press_event:
+ − 804 case button_release_event:
1204
+ − 805 SET_EVENT_BUTTON_X (e, coord_x);
+ − 806 SET_EVENT_BUTTON_Y (e, coord_y);
428
+ − 807 break;
+ − 808 case misc_user_event:
1204
+ − 809 SET_EVENT_MISC_USER_X (e, coord_x);
+ − 810 SET_EVENT_MISC_USER_Y (e, coord_y);
428
+ − 811 break;
+ − 812 default:
1204
+ − 813 abort ();
428
+ − 814 }
+ − 815 }
+ − 816
+ − 817 /* Finally, do some more validation. */
1204
+ − 818 switch (EVENT_TYPE (e))
428
+ − 819 {
+ − 820 case key_press_event:
1204
+ − 821 if (UNBOUNDP (EVENT_KEY_KEYSYM (e)))
563
+ − 822 sferror ("A key must be specified to make a keypress event",
442
+ − 823 plist);
428
+ − 824 break;
+ − 825 case button_press_event:
1204
+ − 826 if (!EVENT_BUTTON_BUTTON (e))
563
+ − 827 sferror
442
+ − 828 ("A button must be specified to make a button-press event",
+ − 829 plist);
428
+ − 830 break;
+ − 831 case button_release_event:
1204
+ − 832 if (!EVENT_BUTTON_BUTTON (e))
563
+ − 833 sferror
442
+ − 834 ("A button must be specified to make a button-release event",
+ − 835 plist);
428
+ − 836 break;
+ − 837 case misc_user_event:
1204
+ − 838 if (NILP (EVENT_MISC_USER_FUNCTION (e)))
563
+ − 839 sferror ("A function must be specified to make a misc-user event",
442
+ − 840 plist);
428
+ − 841 break;
+ − 842 default:
+ − 843 break;
+ − 844 }
+ − 845
+ − 846 UNGCPRO;
+ − 847 return event;
+ − 848 }
+ − 849
+ − 850 DEFUN ("deallocate-event", Fdeallocate_event, 1, 1, 0, /*
+ − 851 Allow the given event structure to be reused.
+ − 852 You MUST NOT use this event object after calling this function with it.
+ − 853 You will lose. It is not necessary to call this function, as event
+ − 854 objects are garbage-collected like all other objects; however, it may
+ − 855 be more efficient to explicitly deallocate events when you are sure
+ − 856 that it is safe to do so.
+ − 857 */
+ − 858 (event))
+ − 859 {
+ − 860 CHECK_EVENT (event);
+ − 861
+ − 862 if (XEVENT_TYPE (event) == dead_event)
563
+ − 863 invalid_argument ("this event is already deallocated!", Qunbound);
428
+ − 864
+ − 865 assert (XEVENT_TYPE (event) <= last_event_type);
+ − 866
+ − 867 #if 0
+ − 868 {
+ − 869 int i, len;
+ − 870
+ − 871 if (EQ (event, Vlast_command_event) ||
+ − 872 EQ (event, Vlast_input_event) ||
+ − 873 EQ (event, Vunread_command_event))
+ − 874 abort ();
+ − 875
+ − 876 len = XVECTOR_LENGTH (Vthis_command_keys);
+ − 877 for (i = 0; i < len; i++)
+ − 878 if (EQ (event, XVECTOR_DATA (Vthis_command_keys) [i]))
+ − 879 abort ();
+ − 880 if (!NILP (Vrecent_keys_ring))
+ − 881 {
+ − 882 int recent_ring_len = XVECTOR_LENGTH (Vrecent_keys_ring);
+ − 883 for (i = 0; i < recent_ring_len; i++)
+ − 884 if (EQ (event, XVECTOR_DATA (Vrecent_keys_ring) [i]))
+ − 885 abort ();
+ − 886 }
+ − 887 }
+ − 888 #endif /* 0 */
+ − 889
+ − 890 assert (!EQ (event, Vevent_resource));
+ − 891 deinitialize_event (event);
+ − 892 #ifndef ALLOC_NO_POOLS
+ − 893 XSET_EVENT_NEXT (event, Vevent_resource);
+ − 894 Vevent_resource = event;
+ − 895 #endif
+ − 896 return Qnil;
+ − 897 }
+ − 898
+ − 899 DEFUN ("copy-event", Fcopy_event, 1, 2, 0, /*
444
+ − 900 Make a copy of the event object EVENT1.
+ − 901 If a second event argument EVENT2 is given, EVENT1 is copied into
+ − 902 EVENT2 and EVENT2 is returned. If EVENT2 is not supplied (or is nil)
+ − 903 then a new event will be made as with `make-event'. See also the
+ − 904 function `deallocate-event'.
428
+ − 905 */
+ − 906 (event1, event2))
+ − 907 {
+ − 908 CHECK_LIVE_EVENT (event1);
+ − 909 if (NILP (event2))
+ − 910 event2 = Fmake_event (Qnil, Qnil);
430
+ − 911 else
+ − 912 {
+ − 913 CHECK_LIVE_EVENT (event2);
+ − 914 if (EQ (event1, event2))
563
+ − 915 return signal_continuable_error_2
+ − 916 (Qinvalid_argument,
+ − 917 "copy-event called with `eq' events", event1, event2);
430
+ − 918 }
428
+ − 919
+ − 920 assert (XEVENT_TYPE (event1) <= last_event_type);
+ − 921 assert (XEVENT_TYPE (event2) <= last_event_type);
+ − 922
934
+ − 923 XSET_EVENT_TYPE (event2, XEVENT_TYPE (event1));
+ − 924 XSET_EVENT_CHANNEL (event2, XEVENT_CHANNEL (event1));
+ − 925 XSET_EVENT_TIMESTAMP (event2, XEVENT_TIMESTAMP (event1));
1204
+ − 926
+ − 927 #ifdef EVENT_DATA_AS_OBJECTS
+ − 928 copy_lisp_object (XEVENT_DATA (event2), XEVENT_DATA (event1));
+ − 929 #else
+ − 930 XEVENT (event2)->event = XEVENT (event1)->event;
+ − 931 #endif
934
+ − 932 return event2;
428
+ − 933 }
+ − 934
+ − 935
771
+ − 936 /************************************************************************/
+ − 937 /* event chain functions */
+ − 938 /************************************************************************/
428
+ − 939
+ − 940 /* Given a chain of events (or possibly nil), deallocate them all. */
+ − 941
+ − 942 void
+ − 943 deallocate_event_chain (Lisp_Object event_chain)
+ − 944 {
+ − 945 while (!NILP (event_chain))
+ − 946 {
+ − 947 Lisp_Object next = XEVENT_NEXT (event_chain);
+ − 948 Fdeallocate_event (event_chain);
+ − 949 event_chain = next;
+ − 950 }
+ − 951 }
+ − 952
+ − 953 /* Return the last event in a chain.
+ − 954 NOTE: You cannot pass nil as a value here! The routine will
+ − 955 abort if you do. */
+ − 956
+ − 957 Lisp_Object
+ − 958 event_chain_tail (Lisp_Object event_chain)
+ − 959 {
+ − 960 while (1)
+ − 961 {
+ − 962 Lisp_Object next = XEVENT_NEXT (event_chain);
+ − 963 if (NILP (next))
+ − 964 return event_chain;
+ − 965 event_chain = next;
+ − 966 }
+ − 967 }
+ − 968
+ − 969 /* Enqueue a single event onto the end of a chain of events.
+ − 970 HEAD points to the first event in the chain, TAIL to the last event.
+ − 971 If the chain is empty, both values should be nil. */
+ − 972
+ − 973 void
+ − 974 enqueue_event (Lisp_Object event, Lisp_Object *head, Lisp_Object *tail)
+ − 975 {
+ − 976 assert (NILP (XEVENT_NEXT (event)));
+ − 977 assert (!EQ (*tail, event));
+ − 978
+ − 979 if (!NILP (*tail))
+ − 980 XSET_EVENT_NEXT (*tail, event);
+ − 981 else
+ − 982 *head = event;
+ − 983 *tail = event;
+ − 984
+ − 985 assert (!EQ (event, XEVENT_NEXT (event)));
+ − 986 }
+ − 987
+ − 988 /* Remove an event off the head of a chain of events and return it.
+ − 989 HEAD points to the first event in the chain, TAIL to the last event. */
+ − 990
+ − 991 Lisp_Object
+ − 992 dequeue_event (Lisp_Object *head, Lisp_Object *tail)
+ − 993 {
+ − 994 Lisp_Object event;
+ − 995
+ − 996 event = *head;
+ − 997 *head = XEVENT_NEXT (event);
+ − 998 XSET_EVENT_NEXT (event, Qnil);
+ − 999 if (NILP (*head))
+ − 1000 *tail = Qnil;
+ − 1001 return event;
+ − 1002 }
+ − 1003
+ − 1004 /* Enqueue a chain of events (or possibly nil) onto the end of another
+ − 1005 chain of events. HEAD points to the first event in the chain being
+ − 1006 queued onto, TAIL to the last event. If the chain is empty, both values
+ − 1007 should be nil. */
+ − 1008
+ − 1009 void
+ − 1010 enqueue_event_chain (Lisp_Object event_chain, Lisp_Object *head,
+ − 1011 Lisp_Object *tail)
+ − 1012 {
+ − 1013 if (NILP (event_chain))
+ − 1014 return;
+ − 1015
+ − 1016 if (NILP (*head))
+ − 1017 {
+ − 1018 *head = event_chain;
+ − 1019 *tail = event_chain;
+ − 1020 }
+ − 1021 else
+ − 1022 {
+ − 1023 XSET_EVENT_NEXT (*tail, event_chain);
+ − 1024 *tail = event_chain_tail (event_chain);
+ − 1025 }
+ − 1026 }
+ − 1027
1204
+ − 1028 /* Map a function over each event in the chain. If the function returns
+ − 1029 non-zero, remove the event just processed. Return the total number of
+ − 1030 items removed.
+ − 1031
+ − 1032 NOTE:
+ − 1033
+ − 1034 If you want a simple mapping over an event chain, with no intention to
+ − 1035 add or remove items, just use EVENT_CHAIN_LOOP().
+ − 1036 */
+ − 1037
+ − 1038 int
+ − 1039 map_event_chain_remove (int (*fn) (Lisp_Object ev, void *user_data),
+ − 1040 Lisp_Object *head, Lisp_Object *tail,
+ − 1041 void *user_data, int flags)
+ − 1042 {
+ − 1043 Lisp_Object event;
+ − 1044 Lisp_Object previous_event = Qnil;
+ − 1045 int count = 0;
+ − 1046
+ − 1047 EVENT_CHAIN_LOOP (event, *head)
+ − 1048 {
+ − 1049 if (fn (event, user_data))
+ − 1050 {
+ − 1051 if (NILP (previous_event))
+ − 1052 dequeue_event (head, tail);
+ − 1053 else
+ − 1054 {
+ − 1055 XSET_EVENT_NEXT (previous_event, XEVENT_NEXT (event));
+ − 1056 if (EQ (*tail, event))
+ − 1057 *tail = previous_event;
+ − 1058 }
+ − 1059
+ − 1060 if (flags & MECR_DEALLOCATE_EVENT)
+ − 1061 Fdeallocate_event (event);
+ − 1062 count++;
+ − 1063 }
+ − 1064 else
+ − 1065 previous_event = event;
+ − 1066 }
+ − 1067 return count;
+ − 1068 }
+ − 1069
428
+ − 1070 /* Return the number of events (possibly 0) on an event chain. */
+ − 1071
+ − 1072 int
+ − 1073 event_chain_count (Lisp_Object event_chain)
+ − 1074 {
+ − 1075 Lisp_Object event;
+ − 1076 int n = 0;
+ − 1077
+ − 1078 EVENT_CHAIN_LOOP (event, event_chain)
+ − 1079 n++;
+ − 1080
+ − 1081 return n;
+ − 1082 }
+ − 1083
+ − 1084 /* Find the event before EVENT in an event chain. This aborts
+ − 1085 if the event is not in the chain. */
+ − 1086
+ − 1087 Lisp_Object
+ − 1088 event_chain_find_previous (Lisp_Object event_chain, Lisp_Object event)
+ − 1089 {
+ − 1090 Lisp_Object previous = Qnil;
+ − 1091
+ − 1092 while (!NILP (event_chain))
+ − 1093 {
+ − 1094 if (EQ (event_chain, event))
+ − 1095 return previous;
+ − 1096 previous = event_chain;
+ − 1097 event_chain = XEVENT_NEXT (event_chain);
+ − 1098 }
+ − 1099
+ − 1100 abort ();
+ − 1101 return Qnil;
+ − 1102 }
+ − 1103
+ − 1104 Lisp_Object
+ − 1105 event_chain_nth (Lisp_Object event_chain, int n)
+ − 1106 {
+ − 1107 Lisp_Object event;
+ − 1108 EVENT_CHAIN_LOOP (event, event_chain)
+ − 1109 {
+ − 1110 if (!n)
+ − 1111 return event;
+ − 1112 n--;
+ − 1113 }
+ − 1114 return Qnil;
+ − 1115 }
+ − 1116
771
+ − 1117 /* Return a freshly allocated copy of all events in the given chain. */
+ − 1118
428
+ − 1119 Lisp_Object
+ − 1120 copy_event_chain (Lisp_Object event_chain)
+ − 1121 {
+ − 1122 Lisp_Object new_chain = Qnil;
+ − 1123 Lisp_Object new_chain_tail = Qnil;
+ − 1124 Lisp_Object event;
+ − 1125
+ − 1126 EVENT_CHAIN_LOOP (event, event_chain)
+ − 1127 {
+ − 1128 Lisp_Object copy = Fcopy_event (event, Qnil);
+ − 1129 enqueue_event (copy, &new_chain, &new_chain_tail);
+ − 1130 }
+ − 1131
+ − 1132 return new_chain;
+ − 1133 }
+ − 1134
771
+ − 1135 /* Given a pointer (maybe nil) into an old chain (also maybe nil, if
+ − 1136 pointer is nil) and a new chain which is a copy of the old, return
+ − 1137 the corresponding new pointer. */
+ − 1138 Lisp_Object
+ − 1139 transfer_event_chain_pointer (Lisp_Object pointer, Lisp_Object old_chain,
+ − 1140 Lisp_Object new_chain)
+ − 1141 {
+ − 1142 if (NILP (pointer))
+ − 1143 return Qnil;
+ − 1144 assert (!NILP (old_chain));
800
+ − 1145 #ifdef ERROR_CHECK_STRUCTURES
771
+ − 1146 /* make sure we're actually in the chain */
+ − 1147 event_chain_find_previous (old_chain, pointer);
+ − 1148 assert (event_chain_count (old_chain) == event_chain_count (new_chain));
800
+ − 1149 #endif /* ERROR_CHECK_STRUCTURES */
771
+ − 1150 return event_chain_nth (new_chain,
+ − 1151 event_chain_count (old_chain) -
+ − 1152 event_chain_count (pointer));
+ − 1153 }
+ − 1154
428
+ − 1155
771
+ − 1156 /************************************************************************/
+ − 1157 /* higher level functions */
+ − 1158 /************************************************************************/
428
+ − 1159
+ − 1160 Lisp_Object QKbackspace, QKtab, QKlinefeed, QKreturn, QKescape,
+ − 1161 QKspace, QKdelete;
+ − 1162
+ − 1163 int
+ − 1164 command_event_p (Lisp_Object event)
+ − 1165 {
+ − 1166 switch (XEVENT_TYPE (event))
+ − 1167 {
+ − 1168 case key_press_event:
+ − 1169 case button_press_event:
+ − 1170 case button_release_event:
+ − 1171 case misc_user_event:
+ − 1172 return 1;
+ − 1173 default:
+ − 1174 return 0;
+ − 1175 }
+ − 1176 }
+ − 1177
1204
+ − 1178 /* USE_CONSOLE_META_FLAG is as in `character-to-event'.
+ − 1179 DO_BACKSPACE_MAPPING means that if CON is a TTY, and C is a the TTY's
+ − 1180 backspace character, the event will have keysym `backspace' instead of
+ − 1181 '(control h). It is clearly correct to do this conversion is the
+ − 1182 character was just read from a TTY, clearly incorrect inside of
+ − 1183 define-key, which must be able to handle all consoles. #### What about
+ − 1184 in other circumstances? #### Should the user have access to this flag?
+ − 1185
+ − 1186
+ − 1187 #### We need to go through and review all the flags in
+ − 1188 character_to_event() and event_to_character() and figure out exactly
+ − 1189 under what circumstances they should or should not be set, then go
+ − 1190 through and review all callers of character_to_event(),
+ − 1191 Fcharacter_to_event(), event_to_character(), and Fevent_to_character()
+ − 1192 and check that they are passing the correct flags in for their varied
+ − 1193 circumstances.
+ − 1194
+ − 1195 #### Some of this garbage, and some of the flags, could go away if we
+ − 1196 implemented the suggestion, originally from event-Xt.c:
+ − 1197
+ − 1198 #### The way that keysym correspondence to characters should work:
+ − 1199 - a Lisp_Event should contain a keysym AND a character slot.
+ − 1200 - keybindings are tried with the keysym. If no binding can be found,
+ − 1201 and there is a corresponding character, call self-insert-command.
+ − 1202
+ − 1203 #### Nuke x-iso8859-1.el.
+ − 1204 #### Nuke the Qascii_character property.
+ − 1205 #### Nuke Vcharacter_set_property.
+ − 1206
+ − 1207 This would apparently solve a lot of different problems.
+ − 1208 */
428
+ − 1209
+ − 1210 void
867
+ − 1211 character_to_event (Ichar c, Lisp_Event *event, struct console *con,
428
+ − 1212 int use_console_meta_flag, int do_backspace_mapping)
+ − 1213 {
+ − 1214 Lisp_Object k = Qnil;
442
+ − 1215 int m = 0;
934
+ − 1216 if (EVENT_TYPE (event) == dead_event)
563
+ − 1217 invalid_argument ("character-to-event called with a deallocated event!", Qunbound);
428
+ − 1218
+ − 1219 #ifndef MULE
+ − 1220 c &= 255;
+ − 1221 #endif
+ − 1222 if (c > 127 && c <= 255)
+ − 1223 {
1204
+ − 1224 /* #### What if the user wanted a Latin-1 char? Perhaps the answer
+ − 1225 is what was suggested above.
+ − 1226 */
428
+ − 1227 int meta_flag = 1;
+ − 1228 if (use_console_meta_flag && CONSOLE_TTY_P (con))
+ − 1229 meta_flag = TTY_FLAGS (con).meta_key;
+ − 1230 switch (meta_flag)
+ − 1231 {
+ − 1232 case 0: /* ignore top bit; it's parity */
+ − 1233 c -= 128;
+ − 1234 break;
+ − 1235 case 1: /* top bit is meta */
+ − 1236 c -= 128;
442
+ − 1237 m = XEMACS_MOD_META;
428
+ − 1238 break;
+ − 1239 default: /* this is a real character */
+ − 1240 break;
+ − 1241 }
+ − 1242 }
442
+ − 1243 if (c < ' ') c += '@', m |= XEMACS_MOD_CONTROL;
+ − 1244 if (m & XEMACS_MOD_CONTROL)
428
+ − 1245 {
+ − 1246 switch (c)
+ − 1247 {
442
+ − 1248 case 'I': k = QKtab; m &= ~XEMACS_MOD_CONTROL; break;
+ − 1249 case 'J': k = QKlinefeed; m &= ~XEMACS_MOD_CONTROL; break;
+ − 1250 case 'M': k = QKreturn; m &= ~XEMACS_MOD_CONTROL; break;
+ − 1251 case '[': k = QKescape; m &= ~XEMACS_MOD_CONTROL; break;
428
+ − 1252 default:
1204
+ − 1253 #if defined (HAVE_TTY)
428
+ − 1254 if (do_backspace_mapping &&
+ − 1255 CHARP (con->tty_erase_char) &&
+ − 1256 c - '@' == XCHAR (con->tty_erase_char))
+ − 1257 {
+ − 1258 k = QKbackspace;
442
+ − 1259 m &= ~XEMACS_MOD_CONTROL;
428
+ − 1260 }
1204
+ − 1261 #endif /* defined (HAVE_TTY) */
428
+ − 1262 break;
+ − 1263 }
+ − 1264 if (c >= 'A' && c <= 'Z') c -= 'A'-'a';
+ − 1265 }
1204
+ − 1266 #if defined (HAVE_TTY)
428
+ − 1267 else if (do_backspace_mapping &&
+ − 1268 CHARP (con->tty_erase_char) && c == XCHAR (con->tty_erase_char))
+ − 1269 k = QKbackspace;
1204
+ − 1270 #endif /* defined (HAVE_TTY) */
428
+ − 1271 else if (c == 127)
+ − 1272 k = QKdelete;
+ − 1273 else if (c == ' ')
+ − 1274 k = QKspace;
+ − 1275
934
+ − 1276 set_event_type (event, key_press_event);
+ − 1277 SET_EVENT_TIMESTAMP_ZERO (event); /* #### */
+ − 1278 SET_EVENT_CHANNEL (event, wrap_console (con));
1204
+ − 1279 SET_EVENT_KEY_KEYSYM (event, (!NILP (k) ? k : make_char (c)));
+ − 1280 SET_EVENT_KEY_MODIFIERS (event, m);
428
+ − 1281 }
+ − 1282
+ − 1283 /* This variable controls what character name -> character code mapping
+ − 1284 we are using. Window-system-specific code sets this to some symbol,
+ − 1285 and we use that symbol as the plist key to convert keysyms into 8-bit
+ − 1286 codes. In this way one can have several character sets predefined and
+ − 1287 switch them by changing this.
440
+ − 1288
+ − 1289 #### This is utterly bogus and should be removed.
428
+ − 1290 */
+ − 1291 Lisp_Object Vcharacter_set_property;
+ − 1292
867
+ − 1293 Ichar
1204
+ − 1294 event_to_character (Lisp_Object event,
428
+ − 1295 int allow_extra_modifiers,
+ − 1296 int allow_meta,
1204
+ − 1297 int map_device_key_names)
428
+ − 1298 {
867
+ − 1299 Ichar c = 0;
428
+ − 1300 Lisp_Object code;
+ − 1301
1204
+ − 1302 if (XEVENT_TYPE (event) != key_press_event)
428
+ − 1303 {
1204
+ − 1304 assert (XEVENT_TYPE (event) != dead_event);
428
+ − 1305 return -1;
+ − 1306 }
+ − 1307 if (!allow_extra_modifiers &&
1204
+ − 1308 XEVENT_KEY_MODIFIERS (event) & (XEMACS_MOD_SUPER|XEMACS_MOD_HYPER|XEMACS_MOD_ALT))
428
+ − 1309 return -1;
1204
+ − 1310 if (CHAR_OR_CHAR_INTP (XEVENT_KEY_KEYSYM (event)))
+ − 1311 c = XCHAR_OR_CHAR_INT (XEVENT_KEY_KEYSYM (event));
+ − 1312 else if (!SYMBOLP (XEVENT_KEY_KEYSYM (event)))
428
+ − 1313 abort ();
1204
+ − 1314 else if (map_device_key_names && !NILP (Vcharacter_set_property)
428
+ − 1315 /* Allow window-system-specific extensibility of
+ − 1316 keysym->code mapping */
1204
+ − 1317 && CHAR_OR_CHAR_INTP (code = Fget (XEVENT_KEY_KEYSYM (event),
428
+ − 1318 Vcharacter_set_property,
+ − 1319 Qnil)))
+ − 1320 c = XCHAR_OR_CHAR_INT (code);
1204
+ − 1321 else if (CHAR_OR_CHAR_INTP (code = Fget (XEVENT_KEY_KEYSYM (event),
934
+ − 1322 Qascii_character, Qnil)))
428
+ − 1323 c = XCHAR_OR_CHAR_INT (code);
+ − 1324 else
+ − 1325 return -1;
+ − 1326
1204
+ − 1327 if (XEVENT_KEY_MODIFIERS (event) & XEMACS_MOD_CONTROL)
428
+ − 1328 {
+ − 1329 if (c >= 'a' && c <= 'z')
+ − 1330 c -= ('a' - 'A');
+ − 1331 else
+ − 1332 /* reject Control-Shift- keys */
+ − 1333 if (c >= 'A' && c <= 'Z' && !allow_extra_modifiers)
+ − 1334 return -1;
+ − 1335
+ − 1336 if (c >= '@' && c <= '_')
+ − 1337 c -= '@';
+ − 1338 else if (c == ' ') /* C-space and C-@ are the same. */
+ − 1339 c = 0;
+ − 1340 else
+ − 1341 /* reject keys that can't take Control- modifiers */
+ − 1342 if (! allow_extra_modifiers) return -1;
+ − 1343 }
+ − 1344
1204
+ − 1345 if (XEVENT_KEY_MODIFIERS (event) & XEMACS_MOD_META)
428
+ − 1346 {
+ − 1347 if (! allow_meta) return -1;
1204
+ − 1348 if (c >= 128) return -1; /* don't allow M-oslash (overlap) */
428
+ − 1349 c |= 0200;
+ − 1350 }
+ − 1351 return c;
+ − 1352 }
+ − 1353
+ − 1354 DEFUN ("event-to-character", Fevent_to_character, 1, 4, 0, /*
+ − 1355 Return the closest ASCII approximation to the given event object.
+ − 1356 If the event isn't a keypress, this returns nil.
+ − 1357 If the ALLOW-EXTRA-MODIFIERS argument is non-nil, then this is lenient in
+ − 1358 its translation; it will ignore modifier keys other than control and meta,
+ − 1359 and will ignore the shift modifier on those characters which have no
+ − 1360 shifted ASCII equivalent (Control-Shift-A for example, will be mapped to
+ − 1361 the same ASCII code as Control-A).
+ − 1362 If the ALLOW-META argument is non-nil, then the Meta modifier will be
+ − 1363 represented by turning on the high bit of the byte returned; otherwise, nil
+ − 1364 will be returned for events containing the Meta modifier.
1204
+ − 1365 If the MAP-DEVICE-KEY-NAMES argument is non-nil, then named keysyms that
+ − 1366 represent printable characters will be converted to that character. This
+ − 1367 means, for example, that under X, where a circumflexed lowercase o returns
+ − 1368 a key with the name `ocircumflex' rather than the actual character, this
+ − 1369 name will be converted to the appropriate character. See
+ − 1370 `character-set-property' for some sense of how this works. #### This
+ − 1371 should not be exposed and may be removed at some point.
+ − 1372 Note that ALLOW-META may cause ambiguity between meta characters and
+ − 1373 Latin-1 characters.
428
+ − 1374 */
1204
+ − 1375 (event, allow_extra_modifiers, allow_meta, map_device_key_names))
428
+ − 1376 {
867
+ − 1377 Ichar c;
428
+ − 1378 CHECK_LIVE_EVENT (event);
1204
+ − 1379 c = event_to_character (event,
428
+ − 1380 !NILP (allow_extra_modifiers),
+ − 1381 !NILP (allow_meta),
1204
+ − 1382 !NILP (map_device_key_names));
428
+ − 1383 return c < 0 ? Qnil : make_char (c);
+ − 1384 }
+ − 1385
+ − 1386 DEFUN ("character-to-event", Fcharacter_to_event, 1, 4, 0, /*
444
+ − 1387 Convert KEY-DESCRIPTION into an event structure, replete with bucky bits.
428
+ − 1388
444
+ − 1389 KEY-DESCRIPTION is the first argument, and the event to fill in is the
+ − 1390 second. This function contains knowledge about what various kinds of
+ − 1391 arguments ``mean'' -- for example, the number 9 is converted to the
+ − 1392 character ``Tab'', not the distinct character ``Control-I''.
428
+ − 1393
444
+ − 1394 KEY-DESCRIPTION can be an integer, a character, a symbol such as 'clear,
+ − 1395 or a list such as '(control backspace).
+ − 1396
+ − 1397 If the optional second argument EVENT is an event, it is modified and
+ − 1398 returned; otherwise, a new event object is created and returned.
428
+ − 1399
+ − 1400 Optional third arg CONSOLE is the console to store in the event, and
+ − 1401 defaults to the selected console.
+ − 1402
444
+ − 1403 If KEY-DESCRIPTION is an integer or character, the high bit may be
1204
+ − 1404 interpreted as the meta key. (This is done for backward compatibility in
+ − 1405 lots of places -- specifically, because lots of Lisp code uses specs like
+ − 1406 ?\M-d and "\M-d" in key code, expecting this to work; yet these are in
+ − 1407 reality converted directly to 8-bit characters by the Lisp reader.) If
+ − 1408 USE-CONSOLE-META-FLAG is nil or CONSOLE is not a TTY, this will always be
+ − 1409 the case. If USE-CONSOLE-META-FLAG is non-nil and CONSOLE is a TTY, the
+ − 1410 `meta' flag for CONSOLE affects whether the high bit is interpreted as a
+ − 1411 meta key. (See `set-input-mode'.) Don't set this flag to non-nil unless
+ − 1412 you know what you're doing (more specifically, only if the character came
+ − 1413 directly from a TTY, not from the user). If you don't want this silly meta
+ − 1414 interpretation done, you should pass in a list containing the character.
428
+ − 1415
+ − 1416 Beware that character-to-event and event-to-character are not strictly
+ − 1417 inverse functions, since events contain much more information than the
444
+ − 1418 Lisp character object type can encode.
428
+ − 1419 */
444
+ − 1420 (keystroke, event, console, use_console_meta_flag))
428
+ − 1421 {
+ − 1422 struct console *con = decode_console (console);
+ − 1423 if (NILP (event))
+ − 1424 event = Fmake_event (Qnil, Qnil);
+ − 1425 else
+ − 1426 CHECK_LIVE_EVENT (event);
444
+ − 1427 if (CONSP (keystroke) || SYMBOLP (keystroke))
+ − 1428 key_desc_list_to_event (keystroke, event, 1);
428
+ − 1429 else
+ − 1430 {
444
+ − 1431 CHECK_CHAR_COERCE_INT (keystroke);
+ − 1432 character_to_event (XCHAR (keystroke), XEVENT (event), con,
428
+ − 1433 !NILP (use_console_meta_flag), 1);
+ − 1434 }
+ − 1435 return event;
+ − 1436 }
+ − 1437
+ − 1438 void
+ − 1439 nth_of_key_sequence_as_event (Lisp_Object seq, int n, Lisp_Object event)
+ − 1440 {
+ − 1441 assert (STRINGP (seq) || VECTORP (seq));
+ − 1442 assert (n < XINT (Flength (seq)));
+ − 1443
+ − 1444 if (STRINGP (seq))
+ − 1445 {
867
+ − 1446 Ichar ch = string_ichar (seq, n);
428
+ − 1447 Fcharacter_to_event (make_char (ch), event, Qnil, Qnil);
+ − 1448 }
+ − 1449 else
+ − 1450 {
+ − 1451 Lisp_Object keystroke = XVECTOR_DATA (seq)[n];
+ − 1452 if (EVENTP (keystroke))
+ − 1453 Fcopy_event (keystroke, event);
+ − 1454 else
+ − 1455 Fcharacter_to_event (keystroke, event, Qnil, Qnil);
+ − 1456 }
+ − 1457 }
+ − 1458
+ − 1459 Lisp_Object
+ − 1460 key_sequence_to_event_chain (Lisp_Object seq)
+ − 1461 {
+ − 1462 int len = XINT (Flength (seq));
+ − 1463 int i;
+ − 1464 Lisp_Object head = Qnil, tail = Qnil;
+ − 1465
+ − 1466 for (i = 0; i < len; i++)
+ − 1467 {
+ − 1468 Lisp_Object event = Fmake_event (Qnil, Qnil);
+ − 1469 nth_of_key_sequence_as_event (seq, i, event);
+ − 1470 enqueue_event (event, &head, &tail);
+ − 1471 }
+ − 1472
+ − 1473 return head;
+ − 1474 }
+ − 1475
934
+ − 1476
793
+ − 1477 /* Concatenate a string description of EVENT onto the end of BUF. If
+ − 1478 BRIEF, use short forms for keys, e.g. C- instead of control-. */
+ − 1479
934
+ − 1480 void
+ − 1481 format_event_object (Eistring *buf, Lisp_Object event, int brief)
428
+ − 1482 {
+ − 1483 int mouse_p = 0;
+ − 1484 int mod = 0;
+ − 1485 Lisp_Object key;
+ − 1486
1204
+ − 1487 switch (XEVENT_TYPE (event))
428
+ − 1488 {
+ − 1489 case key_press_event:
+ − 1490 {
1204
+ − 1491 mod = XEVENT_KEY_MODIFIERS (event);
+ − 1492 key = XEVENT_KEY_KEYSYM (event);
428
+ − 1493 /* Hack. */
+ − 1494 if (! brief && CHARP (key) &&
793
+ − 1495 mod & (XEMACS_MOD_CONTROL | XEMACS_MOD_META | XEMACS_MOD_SUPER |
+ − 1496 XEMACS_MOD_HYPER))
428
+ − 1497 {
+ − 1498 int k = XCHAR (key);
+ − 1499 if (k >= 'a' && k <= 'z')
+ − 1500 key = make_char (k - ('a' - 'A'));
+ − 1501 else if (k >= 'A' && k <= 'Z')
442
+ − 1502 mod |= XEMACS_MOD_SHIFT;
428
+ − 1503 }
+ − 1504 break;
+ − 1505 }
+ − 1506 case button_release_event:
+ − 1507 mouse_p++;
+ − 1508 /* Fall through */
+ − 1509 case button_press_event:
+ − 1510 {
+ − 1511 mouse_p++;
1204
+ − 1512 mod = XEVENT_BUTTON_MODIFIERS (event);
+ − 1513 key = make_char (XEVENT_BUTTON_BUTTON (event) + '0');
428
+ − 1514 break;
+ − 1515 }
+ − 1516 case magic_event:
+ − 1517 {
788
+ − 1518 Lisp_Object stream;
+ − 1519 struct gcpro gcpro1;
+ − 1520 GCPRO1 (stream);
428
+ − 1521
788
+ − 1522 stream = make_resizing_buffer_output_stream ();
1204
+ − 1523 event_stream_format_magic_event (XEVENT (event), stream);
788
+ − 1524 Lstream_flush (XLSTREAM (stream));
793
+ − 1525 eicat_raw (buf, resizing_buffer_stream_ptr (XLSTREAM (stream)),
+ − 1526 Lstream_byte_count (XLSTREAM (stream)));
788
+ − 1527 Lstream_delete (XLSTREAM (stream));
+ − 1528 UNGCPRO;
428
+ − 1529 return;
+ − 1530 }
793
+ − 1531 case magic_eval_event: eicat_c (buf, "magic-eval"); return;
+ − 1532 case pointer_motion_event: eicat_c (buf, "motion"); return;
+ − 1533 case misc_user_event: eicat_c (buf, "misc-user"); return;
+ − 1534 case eval_event: eicat_c (buf, "eval"); return;
+ − 1535 case process_event: eicat_c (buf, "process"); return;
+ − 1536 case timeout_event: eicat_c (buf, "timeout"); return;
+ − 1537 case empty_event: eicat_c (buf, "empty"); return;
+ − 1538 case dead_event: eicat_c (buf, "DEAD-EVENT"); return;
428
+ − 1539 default:
+ − 1540 abort ();
442
+ − 1541 return;
428
+ − 1542 }
793
+ − 1543 #define modprint(x,y) \
+ − 1544 do { if (brief) eicat_c (buf, (y)); else eicat_c (buf, (x)); } while (0)
442
+ − 1545 if (mod & XEMACS_MOD_CONTROL) modprint ("control-", "C-");
+ − 1546 if (mod & XEMACS_MOD_META) modprint ("meta-", "M-");
+ − 1547 if (mod & XEMACS_MOD_SUPER) modprint ("super-", "S-");
+ − 1548 if (mod & XEMACS_MOD_HYPER) modprint ("hyper-", "H-");
+ − 1549 if (mod & XEMACS_MOD_ALT) modprint ("alt-", "A-");
+ − 1550 if (mod & XEMACS_MOD_SHIFT) modprint ("shift-", "Sh-");
428
+ − 1551 if (mouse_p)
+ − 1552 {
793
+ − 1553 eicat_c (buf, "button");
428
+ − 1554 --mouse_p;
+ − 1555 }
+ − 1556
+ − 1557 #undef modprint
+ − 1558
+ − 1559 if (CHARP (key))
793
+ − 1560 eicat_ch (buf, XCHAR (key));
428
+ − 1561 else if (SYMBOLP (key))
+ − 1562 {
793
+ − 1563 const Char_ASCII *str = 0;
428
+ − 1564 if (brief)
+ − 1565 {
+ − 1566 if (EQ (key, QKlinefeed)) str = "LFD";
+ − 1567 else if (EQ (key, QKtab)) str = "TAB";
+ − 1568 else if (EQ (key, QKreturn)) str = "RET";
+ − 1569 else if (EQ (key, QKescape)) str = "ESC";
+ − 1570 else if (EQ (key, QKdelete)) str = "DEL";
+ − 1571 else if (EQ (key, QKspace)) str = "SPC";
+ − 1572 else if (EQ (key, QKbackspace)) str = "BS";
+ − 1573 }
+ − 1574 if (str)
793
+ − 1575 eicat_c (buf, str);
428
+ − 1576 else
793
+ − 1577 eicat_lstr (buf, XSYMBOL (key)->name);
428
+ − 1578 }
+ − 1579 else
+ − 1580 abort ();
+ − 1581 if (mouse_p)
793
+ − 1582 eicat_c (buf, "up");
428
+ − 1583 }
+ − 1584
1204
+ − 1585 void
+ − 1586 upshift_event (Lisp_Object event)
+ − 1587 {
+ − 1588 Lisp_Object keysym = XEVENT_KEY_KEYSYM (event);
+ − 1589 Ichar c = 0;
+ − 1590
+ − 1591 if (CHAR_OR_CHAR_INTP (keysym)
+ − 1592 && ((c = XCHAR_OR_CHAR_INT (keysym)),
+ − 1593 c >= 'a' && c <= 'z'))
+ − 1594 XSET_EVENT_KEY_KEYSYM (event, make_char (c + 'A' - 'a'));
+ − 1595 else
+ − 1596 if (!(XEVENT_KEY_MODIFIERS (event) & XEMACS_MOD_SHIFT))
+ − 1597 XSET_EVENT_KEY_MODIFIERS
+ − 1598 (event, XEVENT_KEY_MODIFIERS (event) |= XEMACS_MOD_SHIFT);
+ − 1599 }
+ − 1600
+ − 1601 void
+ − 1602 downshift_event (Lisp_Object event)
+ − 1603 {
+ − 1604 Lisp_Object keysym = XEVENT_KEY_KEYSYM (event);
+ − 1605 Ichar c = 0;
+ − 1606
+ − 1607 if (XEVENT_KEY_MODIFIERS (event) & XEMACS_MOD_SHIFT)
+ − 1608 XSET_EVENT_KEY_MODIFIERS
+ − 1609 (event, XEVENT_KEY_MODIFIERS (event) & ~XEMACS_MOD_SHIFT);
+ − 1610 else if (CHAR_OR_CHAR_INTP (keysym)
+ − 1611 && ((c = XCHAR_OR_CHAR_INT (keysym)),
+ − 1612 c >= 'A' && c <= 'Z'))
+ − 1613 XSET_EVENT_KEY_KEYSYM (event, make_char (c + 'a' - 'A'));
+ − 1614 }
+ − 1615
+ − 1616 int
+ − 1617 event_upshifted_p (Lisp_Object event)
+ − 1618 {
+ − 1619 Lisp_Object keysym = XEVENT_KEY_KEYSYM (event);
+ − 1620 Ichar c = 0;
+ − 1621
+ − 1622 if ((XEVENT_KEY_MODIFIERS (event) & XEMACS_MOD_SHIFT)
+ − 1623 || (CHAR_OR_CHAR_INTP (keysym)
+ − 1624 && ((c = XCHAR_OR_CHAR_INT (keysym)),
+ − 1625 c >= 'A' && c <= 'Z')))
+ − 1626 return 1;
+ − 1627 else
+ − 1628 return 0;
+ − 1629 }
934
+ − 1630
428
+ − 1631 DEFUN ("eventp", Feventp, 1, 1, 0, /*
+ − 1632 True if OBJECT is an event object.
+ − 1633 */
+ − 1634 (object))
+ − 1635 {
+ − 1636 return EVENTP (object) ? Qt : Qnil;
+ − 1637 }
+ − 1638
+ − 1639 DEFUN ("event-live-p", Fevent_live_p, 1, 1, 0, /*
+ − 1640 True if OBJECT is an event object that has not been deallocated.
+ − 1641 */
+ − 1642 (object))
+ − 1643 {
934
+ − 1644 return EVENTP (object) && XEVENT_TYPE (object) != dead_event ?
+ − 1645 Qt : Qnil;
428
+ − 1646 }
+ − 1647
+ − 1648 #if 0 /* debugging functions */
+ − 1649
826
+ − 1650 DEFUN ("event-next", Fevent_next, 1, 1, 0, /*
428
+ − 1651 Return the event object's `next' event, or nil if it has none.
+ − 1652 The `next-event' field is changed by calling `set-next-event'.
+ − 1653 */
+ − 1654 (event))
+ − 1655 {
440
+ − 1656 Lisp_Event *e;
428
+ − 1657 CHECK_LIVE_EVENT (event);
+ − 1658
+ − 1659 return XEVENT_NEXT (event);
+ − 1660 }
+ − 1661
826
+ − 1662 DEFUN ("set-event-next", Fset_event_next, 2, 2, 0, /*
428
+ − 1663 Set the `next event' of EVENT to NEXT-EVENT.
+ − 1664 NEXT-EVENT must be an event object or nil.
+ − 1665 */
+ − 1666 (event, next_event))
+ − 1667 {
+ − 1668 Lisp_Object ev;
+ − 1669
+ − 1670 CHECK_LIVE_EVENT (event);
+ − 1671 if (NILP (next_event))
+ − 1672 {
+ − 1673 XSET_EVENT_NEXT (event, Qnil);
+ − 1674 return Qnil;
+ − 1675 }
+ − 1676
+ − 1677 CHECK_LIVE_EVENT (next_event);
+ − 1678
+ − 1679 EVENT_CHAIN_LOOP (ev, XEVENT_NEXT (event))
+ − 1680 {
+ − 1681 QUIT;
+ − 1682 if (EQ (ev, event))
563
+ − 1683 invalid_operation_2 ("Cyclic event-next", event, next_event);
428
+ − 1684 }
+ − 1685 XSET_EVENT_NEXT (event, next_event);
+ − 1686 return next_event;
+ − 1687 }
+ − 1688
+ − 1689 #endif /* 0 */
+ − 1690
+ − 1691 DEFUN ("event-type", Fevent_type, 1, 1, 0, /*
+ − 1692 Return the type of EVENT.
+ − 1693 This will be a symbol; one of
+ − 1694
+ − 1695 key-press A key was pressed.
+ − 1696 button-press A mouse button was pressed.
+ − 1697 button-release A mouse button was released.
+ − 1698 misc-user Some other user action happened; typically, this is
+ − 1699 a menu selection or scrollbar action.
+ − 1700 motion The mouse moved.
+ − 1701 process Input is available from a subprocess.
+ − 1702 timeout A timeout has expired.
+ − 1703 eval This causes a specified action to occur when dispatched.
+ − 1704 magic Some window-system-specific event has occurred.
+ − 1705 empty The event has been allocated but not assigned.
+ − 1706
+ − 1707 */
+ − 1708 (event))
+ − 1709 {
+ − 1710 CHECK_LIVE_EVENT (event);
934
+ − 1711 switch (XEVENT_TYPE (event))
428
+ − 1712 {
+ − 1713 case key_press_event: return Qkey_press;
+ − 1714 case button_press_event: return Qbutton_press;
+ − 1715 case button_release_event: return Qbutton_release;
+ − 1716 case misc_user_event: return Qmisc_user;
+ − 1717 case pointer_motion_event: return Qmotion;
+ − 1718 case process_event: return Qprocess;
+ − 1719 case timeout_event: return Qtimeout;
+ − 1720 case eval_event: return Qeval;
+ − 1721 case magic_event:
+ − 1722 case magic_eval_event:
+ − 1723 return Qmagic;
+ − 1724
+ − 1725 case empty_event:
+ − 1726 return Qempty;
+ − 1727
+ − 1728 default:
+ − 1729 abort ();
+ − 1730 return Qnil;
+ − 1731 }
+ − 1732 }
+ − 1733
+ − 1734 DEFUN ("event-timestamp", Fevent_timestamp, 1, 1, 0, /*
+ − 1735 Return the timestamp of the event object EVENT.
442
+ − 1736 Timestamps are measured in milliseconds since the start of the window system.
+ − 1737 They are NOT related to any current time measurement.
+ − 1738 They should be compared with `event-timestamp<'.
+ − 1739 See also `current-event-timestamp'.
428
+ − 1740 */
+ − 1741 (event))
+ − 1742 {
+ − 1743 CHECK_LIVE_EVENT (event);
+ − 1744 /* This junk is so that timestamps don't get to be negative, but contain
+ − 1745 as many bits as this particular emacs will allow.
+ − 1746 */
934
+ − 1747 return make_int (((1L << (VALBITS - 1)) - 1) &
+ − 1748 XEVENT_TIMESTAMP (event));
428
+ − 1749 }
+ − 1750
442
+ − 1751 #define TIMESTAMP_HALFSPACE (1L << (VALBITS - 2))
+ − 1752
+ − 1753 DEFUN ("event-timestamp<", Fevent_timestamp_lessp, 2, 2, 0, /*
+ − 1754 Return true if timestamp TIME1 is earlier than timestamp TIME2.
+ − 1755 This correctly handles timestamp wrap.
+ − 1756 See also `event-timestamp' and `current-event-timestamp'.
+ − 1757 */
+ − 1758 (time1, time2))
+ − 1759 {
+ − 1760 EMACS_INT t1, t2;
+ − 1761
+ − 1762 CHECK_NATNUM (time1);
+ − 1763 CHECK_NATNUM (time2);
+ − 1764 t1 = XINT (time1);
+ − 1765 t2 = XINT (time2);
+ − 1766
+ − 1767 if (t1 < t2)
+ − 1768 return t2 - t1 < TIMESTAMP_HALFSPACE ? Qt : Qnil;
+ − 1769 else
+ − 1770 return t1 - t2 < TIMESTAMP_HALFSPACE ? Qnil : Qt;
+ − 1771 }
+ − 1772
934
+ − 1773 #define CHECK_EVENT_TYPE(e,t1,sym) do { \
+ − 1774 CHECK_LIVE_EVENT (e); \
+ − 1775 if (XEVENT_TYPE (e) != (t1)) \
+ − 1776 e = wrong_type_argument (sym,e); \
+ − 1777 } while (0)
+ − 1778
+ − 1779 #define CHECK_EVENT_TYPE2(e,t1,t2,sym) do { \
+ − 1780 CHECK_LIVE_EVENT (e); \
+ − 1781 { \
+ − 1782 emacs_event_type CET_type = XEVENT_TYPE (e); \
+ − 1783 if (CET_type != (t1) && \
+ − 1784 CET_type != (t2)) \
+ − 1785 e = wrong_type_argument (sym,e); \
+ − 1786 } \
+ − 1787 } while (0)
+ − 1788
+ − 1789 #define CHECK_EVENT_TYPE3(e,t1,t2,t3,sym) do { \
+ − 1790 CHECK_LIVE_EVENT (e); \
+ − 1791 { \
+ − 1792 emacs_event_type CET_type = XEVENT_TYPE (e); \
+ − 1793 if (CET_type != (t1) && \
+ − 1794 CET_type != (t2) && \
+ − 1795 CET_type != (t3)) \
+ − 1796 e = wrong_type_argument (sym,e); \
+ − 1797 } \
+ − 1798 } while (0)
428
+ − 1799
+ − 1800 DEFUN ("event-key", Fevent_key, 1, 1, 0, /*
+ − 1801 Return the Keysym of the key-press event EVENT.
+ − 1802 This will be a character if the event is associated with one, else a symbol.
+ − 1803 */
+ − 1804 (event))
+ − 1805 {
+ − 1806 CHECK_EVENT_TYPE (event, key_press_event, Qkey_press_event_p);
1204
+ − 1807 return XEVENT_KEY_KEYSYM (event);
428
+ − 1808 }
+ − 1809
+ − 1810 DEFUN ("event-button", Fevent_button, 1, 1, 0, /*
444
+ − 1811 Return the button-number of the button-press or button-release event EVENT.
428
+ − 1812 */
+ − 1813 (event))
+ − 1814 {
+ − 1815 CHECK_EVENT_TYPE3 (event, button_press_event, button_release_event,
+ − 1816 misc_user_event, Qbutton_event_p);
+ − 1817 #ifdef HAVE_WINDOW_SYSTEM
1204
+ − 1818 if (XEVENT_TYPE (event) == misc_user_event)
+ − 1819 return make_int (XEVENT_MISC_USER_BUTTON (event));
934
+ − 1820 else
1204
+ − 1821 return make_int (XEVENT_BUTTON_BUTTON (event));
428
+ − 1822 #else /* !HAVE_WINDOW_SYSTEM */
+ − 1823 return Qzero;
+ − 1824 #endif /* !HAVE_WINDOW_SYSTEM */
+ − 1825 }
+ − 1826
+ − 1827 DEFUN ("event-modifier-bits", Fevent_modifier_bits, 1, 1, 0, /*
442
+ − 1828 Return a number representing the modifier keys and buttons which were down
428
+ − 1829 when the given mouse or keyboard event was produced.
442
+ − 1830 See also the function `event-modifiers'.
428
+ − 1831 */
+ − 1832 (event))
+ − 1833 {
+ − 1834 again:
+ − 1835 CHECK_LIVE_EVENT (event);
934
+ − 1836 switch (XEVENT_TYPE (event))
+ − 1837 {
+ − 1838 case key_press_event:
1204
+ − 1839 return make_int (XEVENT_KEY_MODIFIERS (event));
934
+ − 1840 case button_press_event:
+ − 1841 case button_release_event:
1204
+ − 1842 return make_int (XEVENT_BUTTON_MODIFIERS (event));
934
+ − 1843 case pointer_motion_event:
1204
+ − 1844 return make_int (XEVENT_MOTION_MODIFIERS (event));
934
+ − 1845 case misc_user_event:
1204
+ − 1846 return make_int (XEVENT_MISC_USER_MODIFIERS (event));
934
+ − 1847 default:
+ − 1848 event = wrong_type_argument (intern ("key-or-mouse-event-p"), event);
+ − 1849 goto again;
+ − 1850 }
428
+ − 1851 }
+ − 1852
+ − 1853 DEFUN ("event-modifiers", Fevent_modifiers, 1, 1, 0, /*
442
+ − 1854 Return a list of symbols, the names of the modifier keys and buttons
428
+ − 1855 which were down when the given mouse or keyboard event was produced.
442
+ − 1856 See also the function `event-modifier-bits'.
+ − 1857
+ − 1858 The possible symbols in the list are
+ − 1859
+ − 1860 `shift': The Shift key. Will not appear, in general, on key events
+ − 1861 where the keysym is an ASCII character, because using Shift
+ − 1862 on such a character converts it into another character rather
+ − 1863 than actually just adding a Shift modifier.
+ − 1864
+ − 1865 `control': The Control key.
+ − 1866
+ − 1867 `meta': The Meta key. On PC's and PC-style keyboards, this is generally
+ − 1868 labelled \"Alt\"; Meta is a holdover from early Lisp Machines and
+ − 1869 such, propagated through the X Window System. On Sun keyboards,
+ − 1870 this key is labelled with a diamond.
+ − 1871
+ − 1872 `alt': The \"Alt\" key. Alt is in quotes because this does not refer
+ − 1873 to what it obviously should refer to, namely the Alt key on PC
+ − 1874 keyboards. Instead, it refers to the key labelled Alt on Sun
+ − 1875 keyboards, and to no key at all on PC keyboards.
+ − 1876
+ − 1877 `super': The Super key. Most keyboards don't have any such key, but
+ − 1878 under X Windows using `xmodmap' you can assign any key (such as
+ − 1879 an underused right-shift, right-control, or right-alt key) to
+ − 1880 this key modifier. No support currently exists under MS Windows
+ − 1881 for generating these modifiers.
+ − 1882
+ − 1883 `hyper': The Hyper key. Works just like the Super key.
+ − 1884
+ − 1885 `button1': The mouse buttons. This means that the specified button was held
+ − 1886 `button2': down at the time the event occurred. NOTE: For button-press
+ − 1887 `button3': events, the button that was just pressed down does NOT appear in
+ − 1888 `button4': the modifiers.
+ − 1889 `button5':
+ − 1890
+ − 1891 Button modifiers are currently ignored when defining and looking up key and
+ − 1892 mouse strokes in keymaps. This could be changed, which would allow a user to
+ − 1893 create button-chord actions, use a button as a key modifier and do other
+ − 1894 clever things.
428
+ − 1895 */
+ − 1896 (event))
+ − 1897 {
+ − 1898 int mod = XINT (Fevent_modifier_bits (event));
+ − 1899 Lisp_Object result = Qnil;
442
+ − 1900 struct gcpro gcpro1;
+ − 1901
+ − 1902 GCPRO1 (result);
+ − 1903 if (mod & XEMACS_MOD_SHIFT) result = Fcons (Qshift, result);
+ − 1904 if (mod & XEMACS_MOD_ALT) result = Fcons (Qalt, result);
+ − 1905 if (mod & XEMACS_MOD_HYPER) result = Fcons (Qhyper, result);
+ − 1906 if (mod & XEMACS_MOD_SUPER) result = Fcons (Qsuper, result);
+ − 1907 if (mod & XEMACS_MOD_META) result = Fcons (Qmeta, result);
+ − 1908 if (mod & XEMACS_MOD_CONTROL) result = Fcons (Qcontrol, result);
+ − 1909 if (mod & XEMACS_MOD_BUTTON1) result = Fcons (Qbutton1, result);
+ − 1910 if (mod & XEMACS_MOD_BUTTON2) result = Fcons (Qbutton2, result);
+ − 1911 if (mod & XEMACS_MOD_BUTTON3) result = Fcons (Qbutton3, result);
+ − 1912 if (mod & XEMACS_MOD_BUTTON4) result = Fcons (Qbutton4, result);
+ − 1913 if (mod & XEMACS_MOD_BUTTON5) result = Fcons (Qbutton5, result);
+ − 1914 RETURN_UNGCPRO (Fnreverse (result));
428
+ − 1915 }
+ − 1916
+ − 1917 static int
+ − 1918 event_x_y_pixel_internal (Lisp_Object event, int *x, int *y, int relative)
+ − 1919 {
+ − 1920 struct window *w;
+ − 1921 struct frame *f;
+ − 1922
934
+ − 1923 if (XEVENT_TYPE (event) == pointer_motion_event)
+ − 1924 {
1204
+ − 1925 *x = XEVENT_MOTION_X (event);
+ − 1926 *y = XEVENT_MOTION_Y (event);
934
+ − 1927 }
+ − 1928 else if (XEVENT_TYPE (event) == button_press_event ||
+ − 1929 XEVENT_TYPE (event) == button_release_event)
+ − 1930 {
1204
+ − 1931 *x = XEVENT_BUTTON_X (event);
+ − 1932 *y = XEVENT_BUTTON_Y (event);
934
+ − 1933 }
+ − 1934 else if (XEVENT_TYPE (event) == misc_user_event)
+ − 1935 {
1204
+ − 1936 *x = XEVENT_MISC_USER_X (event);
+ − 1937 *y = XEVENT_MISC_USER_Y (event);
934
+ − 1938 }
+ − 1939 else
+ − 1940 return 0;
428
+ − 1941 f = XFRAME (EVENT_CHANNEL (XEVENT (event)));
+ − 1942
+ − 1943 if (relative)
+ − 1944 {
+ − 1945 w = find_window_by_pixel_pos (*x, *y, f->root_window);
+ − 1946
+ − 1947 if (!w)
442
+ − 1948 return 1; /* #### What should really happen here? */
428
+ − 1949
+ − 1950 *x -= w->pixel_left;
+ − 1951 *y -= w->pixel_top;
+ − 1952 }
+ − 1953 else
+ − 1954 {
+ − 1955 *y -= FRAME_REAL_TOP_TOOLBAR_HEIGHT (f) -
+ − 1956 FRAME_REAL_TOP_TOOLBAR_BORDER_WIDTH (f);
+ − 1957 *x -= FRAME_REAL_LEFT_TOOLBAR_WIDTH (f) -
+ − 1958 FRAME_REAL_LEFT_TOOLBAR_BORDER_WIDTH (f);
+ − 1959 }
+ − 1960
+ − 1961 return 1;
+ − 1962 }
+ − 1963
+ − 1964 DEFUN ("event-window-x-pixel", Fevent_window_x_pixel, 1, 1, 0, /*
+ − 1965 Return the X position in pixels of mouse event EVENT.
+ − 1966 The value returned is relative to the window the event occurred in.
+ − 1967 This will signal an error if the event is not a mouse event.
+ − 1968 See also `mouse-event-p' and `event-x-pixel'.
+ − 1969 */
+ − 1970 (event))
+ − 1971 {
+ − 1972 int x, y;
+ − 1973
+ − 1974 CHECK_LIVE_EVENT (event);
+ − 1975
+ − 1976 if (!event_x_y_pixel_internal (event, &x, &y, 1))
+ − 1977 return wrong_type_argument (Qmouse_event_p, event);
+ − 1978 else
+ − 1979 return make_int (x);
+ − 1980 }
+ − 1981
+ − 1982 DEFUN ("event-window-y-pixel", Fevent_window_y_pixel, 1, 1, 0, /*
+ − 1983 Return the Y position in pixels of mouse event EVENT.
+ − 1984 The value returned is relative to the window the event occurred in.
+ − 1985 This will signal an error if the event is not a mouse event.
+ − 1986 See also `mouse-event-p' and `event-y-pixel'.
+ − 1987 */
+ − 1988 (event))
+ − 1989 {
+ − 1990 int x, y;
+ − 1991
+ − 1992 CHECK_LIVE_EVENT (event);
+ − 1993
+ − 1994 if (!event_x_y_pixel_internal (event, &x, &y, 1))
+ − 1995 return wrong_type_argument (Qmouse_event_p, event);
+ − 1996 else
+ − 1997 return make_int (y);
+ − 1998 }
+ − 1999
+ − 2000 DEFUN ("event-x-pixel", Fevent_x_pixel, 1, 1, 0, /*
+ − 2001 Return the X position in pixels of mouse event EVENT.
+ − 2002 The value returned is relative to the frame the event occurred in.
+ − 2003 This will signal an error if the event is not a mouse event.
+ − 2004 See also `mouse-event-p' and `event-window-x-pixel'.
+ − 2005 */
+ − 2006 (event))
+ − 2007 {
+ − 2008 int x, y;
+ − 2009
+ − 2010 CHECK_LIVE_EVENT (event);
+ − 2011
+ − 2012 if (!event_x_y_pixel_internal (event, &x, &y, 0))
+ − 2013 return wrong_type_argument (Qmouse_event_p, event);
+ − 2014 else
+ − 2015 return make_int (x);
+ − 2016 }
+ − 2017
+ − 2018 DEFUN ("event-y-pixel", Fevent_y_pixel, 1, 1, 0, /*
+ − 2019 Return the Y position in pixels of mouse event EVENT.
+ − 2020 The value returned is relative to the frame the event occurred in.
+ − 2021 This will signal an error if the event is not a mouse event.
+ − 2022 See also `mouse-event-p' `event-window-y-pixel'.
+ − 2023 */
+ − 2024 (event))
+ − 2025 {
+ − 2026 int x, y;
+ − 2027
+ − 2028 CHECK_LIVE_EVENT (event);
+ − 2029
+ − 2030 if (!event_x_y_pixel_internal (event, &x, &y, 0))
+ − 2031 return wrong_type_argument (Qmouse_event_p, event);
+ − 2032 else
+ − 2033 return make_int (y);
+ − 2034 }
+ − 2035
+ − 2036 /* Given an event, return a value:
+ − 2037
+ − 2038 OVER_TOOLBAR: over one of the 4 frame toolbars
+ − 2039 OVER_MODELINE: over a modeline
+ − 2040 OVER_BORDER: over an internal border
+ − 2041 OVER_NOTHING: over the text area, but not over text
+ − 2042 OVER_OUTSIDE: outside of the frame border
+ − 2043 OVER_TEXT: over text in the text area
+ − 2044 OVER_V_DIVIDER: over windows vertical divider
+ − 2045
+ − 2046 and return:
+ − 2047
+ − 2048 The X char position in CHAR_X, if not a null pointer.
+ − 2049 The Y char position in CHAR_Y, if not a null pointer.
+ − 2050 (These last two values are relative to the window the event is over.)
+ − 2051 The window it's over in W, if not a null pointer.
+ − 2052 The buffer position it's over in BUFP, if not a null pointer.
+ − 2053 The closest buffer position in CLOSEST, if not a null pointer.
+ − 2054
+ − 2055 OBJ_X, OBJ_Y, OBJ1, and OBJ2 are as in pixel_to_glyph_translation().
+ − 2056 */
+ − 2057
+ − 2058 static int
+ − 2059 event_pixel_translation (Lisp_Object event, int *char_x, int *char_y,
+ − 2060 int *obj_x, int *obj_y,
665
+ − 2061 struct window **w, Charbpos *bufp, Charbpos *closest,
428
+ − 2062 Charcount *modeline_closest,
+ − 2063 Lisp_Object *obj1, Lisp_Object *obj2)
+ − 2064 {
+ − 2065 int pix_x = 0;
+ − 2066 int pix_y = 0;
+ − 2067 int result;
+ − 2068 Lisp_Object frame;
+ − 2069
+ − 2070 int ret_x, ret_y, ret_obj_x, ret_obj_y;
+ − 2071 struct window *ret_w;
665
+ − 2072 Charbpos ret_bufp, ret_closest;
428
+ − 2073 Charcount ret_modeline_closest;
+ − 2074 Lisp_Object ret_obj1, ret_obj2;
+ − 2075
+ − 2076 CHECK_LIVE_EVENT (event);
934
+ − 2077 frame = XEVENT_CHANNEL (event);
+ − 2078 switch (XEVENT_TYPE (event))
+ − 2079 {
+ − 2080 case pointer_motion_event :
1204
+ − 2081 pix_x = XEVENT_MOTION_X (event);
+ − 2082 pix_y = XEVENT_MOTION_Y (event);
934
+ − 2083 break;
+ − 2084 case button_press_event :
+ − 2085 case button_release_event :
1204
+ − 2086 pix_x = XEVENT_BUTTON_X (event);
+ − 2087 pix_y = XEVENT_BUTTON_Y (event);
934
+ − 2088 break;
+ − 2089 case misc_user_event :
1204
+ − 2090 pix_x = XEVENT_MISC_USER_X (event);
+ − 2091 pix_y = XEVENT_MISC_USER_Y (event);
934
+ − 2092 break;
+ − 2093 default:
+ − 2094 dead_wrong_type_argument (Qmouse_event_p, event);
+ − 2095 }
428
+ − 2096
+ − 2097 result = pixel_to_glyph_translation (XFRAME (frame), pix_x, pix_y,
+ − 2098 &ret_x, &ret_y, &ret_obj_x, &ret_obj_y,
+ − 2099 &ret_w, &ret_bufp, &ret_closest,
+ − 2100 &ret_modeline_closest,
+ − 2101 &ret_obj1, &ret_obj2);
+ − 2102
+ − 2103 if (result == OVER_NOTHING || result == OVER_OUTSIDE)
+ − 2104 ret_bufp = 0;
+ − 2105 else if (ret_w && NILP (ret_w->buffer))
+ − 2106 /* Why does this happen? (Does it still happen?)
+ − 2107 I guess the window has gotten reused as a non-leaf... */
+ − 2108 ret_w = 0;
+ − 2109
+ − 2110 /* #### pixel_to_glyph_translation() sometimes returns garbage...
+ − 2111 The word has type Lisp_Type_Record (presumably meaning `extent') but the
+ − 2112 pointer points to random memory, often filled with 0, sometimes not.
+ − 2113 */
+ − 2114 /* #### Chuck, do we still need this crap? */
+ − 2115 if (!NILP (ret_obj1) && !(GLYPHP (ret_obj1)
+ − 2116 #ifdef HAVE_TOOLBARS
+ − 2117 || TOOLBAR_BUTTONP (ret_obj1)
+ − 2118 #endif
+ − 2119 ))
+ − 2120 abort ();
+ − 2121 if (!NILP (ret_obj2) && !(EXTENTP (ret_obj2) || CONSP (ret_obj2)))
+ − 2122 abort ();
+ − 2123
+ − 2124 if (char_x)
+ − 2125 *char_x = ret_x;
+ − 2126 if (char_y)
+ − 2127 *char_y = ret_y;
+ − 2128 if (obj_x)
+ − 2129 *obj_x = ret_obj_x;
+ − 2130 if (obj_y)
+ − 2131 *obj_y = ret_obj_y;
+ − 2132 if (w)
+ − 2133 *w = ret_w;
+ − 2134 if (bufp)
+ − 2135 *bufp = ret_bufp;
+ − 2136 if (closest)
+ − 2137 *closest = ret_closest;
+ − 2138 if (modeline_closest)
+ − 2139 *modeline_closest = ret_modeline_closest;
+ − 2140 if (obj1)
+ − 2141 *obj1 = ret_obj1;
+ − 2142 if (obj2)
+ − 2143 *obj2 = ret_obj2;
+ − 2144
+ − 2145 return result;
+ − 2146 }
+ − 2147
+ − 2148 DEFUN ("event-over-text-area-p", Fevent_over_text_area_p, 1, 1, 0, /*
+ − 2149 Return t if the mouse event EVENT occurred over the text area of a window.
+ − 2150 The modeline is not considered to be part of the text area.
+ − 2151 */
+ − 2152 (event))
+ − 2153 {
+ − 2154 int result = event_pixel_translation (event, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
+ − 2155
+ − 2156 return result == OVER_TEXT || result == OVER_NOTHING ? Qt : Qnil;
+ − 2157 }
+ − 2158
+ − 2159 DEFUN ("event-over-modeline-p", Fevent_over_modeline_p, 1, 1, 0, /*
+ − 2160 Return t if the mouse event EVENT occurred over the modeline of a window.
+ − 2161 */
+ − 2162 (event))
+ − 2163 {
+ − 2164 int result = event_pixel_translation (event, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
+ − 2165
+ − 2166 return result == OVER_MODELINE ? Qt : Qnil;
+ − 2167 }
+ − 2168
+ − 2169 DEFUN ("event-over-border-p", Fevent_over_border_p, 1, 1, 0, /*
+ − 2170 Return t if the mouse event EVENT occurred over an internal border.
+ − 2171 */
+ − 2172 (event))
+ − 2173 {
+ − 2174 int result = event_pixel_translation (event, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
+ − 2175
+ − 2176 return result == OVER_BORDER ? Qt : Qnil;
+ − 2177 }
+ − 2178
+ − 2179 DEFUN ("event-over-toolbar-p", Fevent_over_toolbar_p, 1, 1, 0, /*
+ − 2180 Return t if the mouse event EVENT occurred over a toolbar.
+ − 2181 */
+ − 2182 (event))
+ − 2183 {
+ − 2184 int result = event_pixel_translation (event, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
+ − 2185
+ − 2186 return result == OVER_TOOLBAR ? Qt : Qnil;
+ − 2187 }
+ − 2188
+ − 2189 DEFUN ("event-over-vertical-divider-p", Fevent_over_vertical_divider_p, 1, 1, 0, /*
+ − 2190 Return t if the mouse event EVENT occurred over a window divider.
+ − 2191 */
+ − 2192 (event))
+ − 2193 {
+ − 2194 int result = event_pixel_translation (event, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
+ − 2195
+ − 2196 return result == OVER_V_DIVIDER ? Qt : Qnil;
+ − 2197 }
+ − 2198
+ − 2199 struct console *
+ − 2200 event_console_or_selected (Lisp_Object event)
+ − 2201 {
+ − 2202 Lisp_Object channel = EVENT_CHANNEL (XEVENT (event));
+ − 2203 Lisp_Object console = CDFW_CONSOLE (channel);
+ − 2204
+ − 2205 if (NILP (console))
+ − 2206 console = Vselected_console;
+ − 2207
+ − 2208 return XCONSOLE (console);
+ − 2209 }
+ − 2210
+ − 2211 DEFUN ("event-channel", Fevent_channel, 1, 1, 0, /*
+ − 2212 Return the channel that the event EVENT occurred on.
+ − 2213 This will be a frame, device, console, or nil for some types
+ − 2214 of events (e.g. eval events).
+ − 2215 */
+ − 2216 (event))
+ − 2217 {
+ − 2218 CHECK_LIVE_EVENT (event);
+ − 2219 return EVENT_CHANNEL (XEVENT (event));
+ − 2220 }
+ − 2221
+ − 2222 DEFUN ("event-window", Fevent_window, 1, 1, 0, /*
+ − 2223 Return the window over which mouse event EVENT occurred.
+ − 2224 This may be nil if the event occurred in the border or over a toolbar.
+ − 2225 The modeline is considered to be within the window it describes.
+ − 2226 */
+ − 2227 (event))
+ − 2228 {
+ − 2229 struct window *w;
+ − 2230
+ − 2231 event_pixel_translation (event, 0, 0, 0, 0, &w, 0, 0, 0, 0, 0);
+ − 2232
+ − 2233 if (!w)
+ − 2234 return Qnil;
+ − 2235 else
+ − 2236 {
793
+ − 2237 return wrap_window (w);
428
+ − 2238 }
+ − 2239 }
+ − 2240
+ − 2241 DEFUN ("event-point", Fevent_point, 1, 1, 0, /*
+ − 2242 Return the character position of the mouse event EVENT.
+ − 2243 If the event did not occur over a window, or did not occur over text,
+ − 2244 then this returns nil. Otherwise, it returns a position in the buffer
+ − 2245 visible in the event's window.
+ − 2246 */
+ − 2247 (event))
+ − 2248 {
665
+ − 2249 Charbpos bufp;
428
+ − 2250 struct window *w;
+ − 2251
+ − 2252 event_pixel_translation (event, 0, 0, 0, 0, &w, &bufp, 0, 0, 0, 0);
+ − 2253
+ − 2254 return w && bufp ? make_int (bufp) : Qnil;
+ − 2255 }
+ − 2256
+ − 2257 DEFUN ("event-closest-point", Fevent_closest_point, 1, 1, 0, /*
+ − 2258 Return the character position closest to the mouse event EVENT.
+ − 2259 If the event did not occur over a window or over text, return the
+ − 2260 closest point to the location of the event. If the Y pixel position
+ − 2261 overlaps a window and the X pixel position is to the left of that
+ − 2262 window, the closest point is the beginning of the line containing the
+ − 2263 Y position. If the Y pixel position overlaps a window and the X pixel
+ − 2264 position is to the right of that window, the closest point is the end
+ − 2265 of the line containing the Y position. If the Y pixel position is
+ − 2266 above a window, return 0. If it is below the last character in a window,
+ − 2267 return the value of (window-end).
+ − 2268 */
+ − 2269 (event))
+ − 2270 {
665
+ − 2271 Charbpos bufp;
428
+ − 2272
+ − 2273 event_pixel_translation (event, 0, 0, 0, 0, 0, 0, &bufp, 0, 0, 0);
+ − 2274
+ − 2275 return bufp ? make_int (bufp) : Qnil;
+ − 2276 }
+ − 2277
+ − 2278 DEFUN ("event-x", Fevent_x, 1, 1, 0, /*
+ − 2279 Return the X position of the mouse event EVENT in characters.
+ − 2280 This is relative to the window the event occurred over.
+ − 2281 */
+ − 2282 (event))
+ − 2283 {
+ − 2284 int char_x;
+ − 2285
+ − 2286 event_pixel_translation (event, &char_x, 0, 0, 0, 0, 0, 0, 0, 0, 0);
+ − 2287
+ − 2288 return make_int (char_x);
+ − 2289 }
+ − 2290
+ − 2291 DEFUN ("event-y", Fevent_y, 1, 1, 0, /*
+ − 2292 Return the Y position of the mouse event EVENT in characters.
+ − 2293 This is relative to the window the event occurred over.
+ − 2294 */
+ − 2295 (event))
+ − 2296 {
+ − 2297 int char_y;
+ − 2298
+ − 2299 event_pixel_translation (event, 0, &char_y, 0, 0, 0, 0, 0, 0, 0, 0);
+ − 2300
+ − 2301 return make_int (char_y);
+ − 2302 }
+ − 2303
+ − 2304 DEFUN ("event-modeline-position", Fevent_modeline_position, 1, 1, 0, /*
+ − 2305 Return the character position in the modeline that EVENT occurred over.
+ − 2306 EVENT should be a mouse event. If EVENT did not occur over a modeline,
+ − 2307 nil is returned. You can determine the actual character that the
+ − 2308 event occurred over by looking in `generated-modeline-string' at the
+ − 2309 returned character position. Note that `generated-modeline-string'
+ − 2310 is buffer-local, and you must use EVENT's buffer when retrieving
+ − 2311 `generated-modeline-string' in order to get accurate results.
+ − 2312 */
+ − 2313 (event))
+ − 2314 {
+ − 2315 Charcount mbufp;
+ − 2316 int where;
+ − 2317
+ − 2318 where = event_pixel_translation (event, 0, 0, 0, 0, 0, 0, 0, &mbufp, 0, 0);
+ − 2319
+ − 2320 return (mbufp < 0 || where != OVER_MODELINE) ? Qnil : make_int (mbufp);
+ − 2321 }
+ − 2322
+ − 2323 DEFUN ("event-glyph", Fevent_glyph, 1, 1, 0, /*
+ − 2324 Return the glyph that the mouse event EVENT occurred over, or nil.
+ − 2325 */
+ − 2326 (event))
+ − 2327 {
+ − 2328 Lisp_Object glyph;
+ − 2329 struct window *w;
+ − 2330
+ − 2331 event_pixel_translation (event, 0, 0, 0, 0, &w, 0, 0, 0, &glyph, 0);
+ − 2332
+ − 2333 return w && GLYPHP (glyph) ? glyph : Qnil;
+ − 2334 }
+ − 2335
+ − 2336 DEFUN ("event-glyph-extent", Fevent_glyph_extent, 1, 1, 0, /*
+ − 2337 Return the extent of the glyph that the mouse event EVENT occurred over.
+ − 2338 If the event did not occur over a glyph, nil is returned.
+ − 2339 */
+ − 2340 (event))
+ − 2341 {
+ − 2342 Lisp_Object extent;
+ − 2343 struct window *w;
+ − 2344
+ − 2345 event_pixel_translation (event, 0, 0, 0, 0, &w, 0, 0, 0, 0, &extent);
+ − 2346
+ − 2347 return w && EXTENTP (extent) ? extent : Qnil;
+ − 2348 }
+ − 2349
+ − 2350 DEFUN ("event-glyph-x-pixel", Fevent_glyph_x_pixel, 1, 1, 0, /*
+ − 2351 Return the X pixel position of EVENT relative to the glyph it occurred over.
+ − 2352 EVENT should be a mouse event. If the event did not occur over a glyph,
+ − 2353 nil is returned.
+ − 2354 */
+ − 2355 (event))
+ − 2356 {
+ − 2357 Lisp_Object extent;
+ − 2358 struct window *w;
+ − 2359 int obj_x;
+ − 2360
+ − 2361 event_pixel_translation (event, 0, 0, &obj_x, 0, &w, 0, 0, 0, 0, &extent);
+ − 2362
+ − 2363 return w && EXTENTP (extent) ? make_int (obj_x) : Qnil;
+ − 2364 }
+ − 2365
+ − 2366 DEFUN ("event-glyph-y-pixel", Fevent_glyph_y_pixel, 1, 1, 0, /*
+ − 2367 Return the Y pixel position of EVENT relative to the glyph it occurred over.
+ − 2368 EVENT should be a mouse event. If the event did not occur over a glyph,
+ − 2369 nil is returned.
+ − 2370 */
+ − 2371 (event))
+ − 2372 {
+ − 2373 Lisp_Object extent;
+ − 2374 struct window *w;
+ − 2375 int obj_y;
+ − 2376
+ − 2377 event_pixel_translation (event, 0, 0, 0, &obj_y, &w, 0, 0, 0, 0, &extent);
+ − 2378
+ − 2379 return w && EXTENTP (extent) ? make_int (obj_y) : Qnil;
+ − 2380 }
+ − 2381
+ − 2382 DEFUN ("event-toolbar-button", Fevent_toolbar_button, 1, 1, 0, /*
+ − 2383 Return the toolbar button that the mouse event EVENT occurred over.
+ − 2384 If the event did not occur over a toolbar button, nil is returned.
+ − 2385 */
+ − 2386 (event))
+ − 2387 {
+ − 2388 #ifdef HAVE_TOOLBARS
+ − 2389 Lisp_Object button;
+ − 2390
+ − 2391 int result = event_pixel_translation (event, 0, 0, 0, 0, 0, 0, 0, 0, &button, 0);
+ − 2392
+ − 2393 return result == OVER_TOOLBAR && TOOLBAR_BUTTONP (button) ? button : Qnil;
+ − 2394 #else
+ − 2395 return Qnil;
+ − 2396 #endif
+ − 2397 }
+ − 2398
+ − 2399 DEFUN ("event-process", Fevent_process, 1, 1, 0, /*
444
+ − 2400 Return the process of the process-output event EVENT.
428
+ − 2401 */
+ − 2402 (event))
+ − 2403 {
934
+ − 2404 CHECK_EVENT_TYPE (event, process_event, Qprocess_event_p);
1204
+ − 2405 return XEVENT_PROCESS_PROCESS (event);
428
+ − 2406 }
+ − 2407
+ − 2408 DEFUN ("event-function", Fevent_function, 1, 1, 0, /*
+ − 2409 Return the callback function of EVENT.
+ − 2410 EVENT should be a timeout, misc-user, or eval event.
+ − 2411 */
+ − 2412 (event))
+ − 2413 {
+ − 2414 again:
+ − 2415 CHECK_LIVE_EVENT (event);
934
+ − 2416 switch (XEVENT_TYPE (event))
+ − 2417 {
+ − 2418 case timeout_event:
1204
+ − 2419 return XEVENT_TIMEOUT_FUNCTION (event);
934
+ − 2420 case misc_user_event:
1204
+ − 2421 return XEVENT_MISC_USER_FUNCTION (event);
934
+ − 2422 case eval_event:
1204
+ − 2423 return XEVENT_EVAL_FUNCTION (event);
934
+ − 2424 default:
+ − 2425 event = wrong_type_argument (intern ("timeout-or-eval-event-p"), event);
+ − 2426 goto again;
+ − 2427 }
428
+ − 2428 }
+ − 2429
+ − 2430 DEFUN ("event-object", Fevent_object, 1, 1, 0, /*
+ − 2431 Return the callback function argument of EVENT.
+ − 2432 EVENT should be a timeout, misc-user, or eval event.
+ − 2433 */
+ − 2434 (event))
+ − 2435 {
+ − 2436 again:
+ − 2437 CHECK_LIVE_EVENT (event);
934
+ − 2438 switch (XEVENT_TYPE (event))
+ − 2439 {
+ − 2440 case timeout_event:
1204
+ − 2441 return XEVENT_TIMEOUT_OBJECT (event);
934
+ − 2442 case misc_user_event:
1204
+ − 2443 return XEVENT_MISC_USER_OBJECT (event);
934
+ − 2444 case eval_event:
1204
+ − 2445 return XEVENT_EVAL_OBJECT (event);
934
+ − 2446 default:
+ − 2447 event = wrong_type_argument (intern ("timeout-or-eval-event-p"), event);
+ − 2448 goto again;
+ − 2449 }
428
+ − 2450 }
+ − 2451
+ − 2452 DEFUN ("event-properties", Fevent_properties, 1, 1, 0, /*
+ − 2453 Return a list of all of the properties of EVENT.
+ − 2454 This is in the form of a property list (alternating keyword/value pairs).
+ − 2455 */
+ − 2456 (event))
+ − 2457 {
+ − 2458 Lisp_Object props = Qnil;
440
+ − 2459 Lisp_Event *e;
428
+ − 2460 struct gcpro gcpro1;
+ − 2461
+ − 2462 CHECK_LIVE_EVENT (event);
+ − 2463 e = XEVENT (event);
+ − 2464 GCPRO1 (props);
+ − 2465
+ − 2466 props = cons3 (Qtimestamp, Fevent_timestamp (event), props);
+ − 2467
934
+ − 2468 switch (EVENT_TYPE (e))
428
+ − 2469 {
+ − 2470 default: abort ();
+ − 2471
+ − 2472 case process_event:
1204
+ − 2473 props = cons3 (Qprocess, EVENT_PROCESS_PROCESS (e), props);
428
+ − 2474 break;
+ − 2475
+ − 2476 case timeout_event:
+ − 2477 props = cons3 (Qobject, Fevent_object (event), props);
+ − 2478 props = cons3 (Qfunction, Fevent_function (event), props);
1204
+ − 2479 props = cons3 (Qid, make_int (EVENT_TIMEOUT_ID_NUMBER (e)), props);
428
+ − 2480 break;
+ − 2481
+ − 2482 case key_press_event:
+ − 2483 props = cons3 (Qmodifiers, Fevent_modifiers (event), props);
+ − 2484 props = cons3 (Qkey, Fevent_key (event), props);
+ − 2485 break;
+ − 2486
+ − 2487 case button_press_event:
+ − 2488 case button_release_event:
+ − 2489 props = cons3 (Qy, Fevent_y_pixel (event), props);
+ − 2490 props = cons3 (Qx, Fevent_x_pixel (event), props);
+ − 2491 props = cons3 (Qmodifiers, Fevent_modifiers (event), props);
+ − 2492 props = cons3 (Qbutton, Fevent_button (event), props);
+ − 2493 break;
+ − 2494
+ − 2495 case pointer_motion_event:
+ − 2496 props = cons3 (Qmodifiers, Fevent_modifiers (event), props);
+ − 2497 props = cons3 (Qy, Fevent_y_pixel (event), props);
+ − 2498 props = cons3 (Qx, Fevent_x_pixel (event), props);
+ − 2499 break;
+ − 2500
+ − 2501 case misc_user_event:
+ − 2502 props = cons3 (Qobject, Fevent_object (event), props);
+ − 2503 props = cons3 (Qfunction, Fevent_function (event), props);
+ − 2504 props = cons3 (Qy, Fevent_y_pixel (event), props);
+ − 2505 props = cons3 (Qx, Fevent_x_pixel (event), props);
+ − 2506 props = cons3 (Qmodifiers, Fevent_modifiers (event), props);
+ − 2507 props = cons3 (Qbutton, Fevent_button (event), props);
+ − 2508 break;
+ − 2509
+ − 2510 case eval_event:
+ − 2511 props = cons3 (Qobject, Fevent_object (event), props);
+ − 2512 props = cons3 (Qfunction, Fevent_function (event), props);
+ − 2513 break;
+ − 2514
+ − 2515 case magic_eval_event:
+ − 2516 case magic_event:
+ − 2517 break;
+ − 2518
+ − 2519 case empty_event:
+ − 2520 RETURN_UNGCPRO (Qnil);
+ − 2521 break;
+ − 2522 }
+ − 2523
+ − 2524 props = cons3 (Qchannel, Fevent_channel (event), props);
+ − 2525 UNGCPRO;
+ − 2526
+ − 2527 return props;
+ − 2528 }
+ − 2529
+ − 2530
+ − 2531 /************************************************************************/
+ − 2532 /* initialization */
+ − 2533 /************************************************************************/
+ − 2534
+ − 2535 void
+ − 2536 syms_of_events (void)
+ − 2537 {
442
+ − 2538 INIT_LRECORD_IMPLEMENTATION (event);
1204
+ − 2539 #ifdef EVENT_DATA_AS_OBJECTS
934
+ − 2540 INIT_LRECORD_IMPLEMENTATION (key_data);
+ − 2541 INIT_LRECORD_IMPLEMENTATION (button_data);
+ − 2542 INIT_LRECORD_IMPLEMENTATION (motion_data);
+ − 2543 INIT_LRECORD_IMPLEMENTATION (process_data);
+ − 2544 INIT_LRECORD_IMPLEMENTATION (timeout_data);
+ − 2545 INIT_LRECORD_IMPLEMENTATION (eval_data);
+ − 2546 INIT_LRECORD_IMPLEMENTATION (misc_user_data);
+ − 2547 INIT_LRECORD_IMPLEMENTATION (magic_eval_data);
+ − 2548 INIT_LRECORD_IMPLEMENTATION (magic_data);
1204
+ − 2549 #endif /* EVENT_DATA_AS_OBJECTS */
442
+ − 2550
428
+ − 2551 DEFSUBR (Fcharacter_to_event);
+ − 2552 DEFSUBR (Fevent_to_character);
+ − 2553
+ − 2554 DEFSUBR (Fmake_event);
+ − 2555 DEFSUBR (Fdeallocate_event);
+ − 2556 DEFSUBR (Fcopy_event);
+ − 2557 DEFSUBR (Feventp);
+ − 2558 DEFSUBR (Fevent_live_p);
+ − 2559 DEFSUBR (Fevent_type);
+ − 2560 DEFSUBR (Fevent_properties);
+ − 2561
+ − 2562 DEFSUBR (Fevent_timestamp);
442
+ − 2563 DEFSUBR (Fevent_timestamp_lessp);
428
+ − 2564 DEFSUBR (Fevent_key);
+ − 2565 DEFSUBR (Fevent_button);
+ − 2566 DEFSUBR (Fevent_modifier_bits);
+ − 2567 DEFSUBR (Fevent_modifiers);
+ − 2568 DEFSUBR (Fevent_x_pixel);
+ − 2569 DEFSUBR (Fevent_y_pixel);
+ − 2570 DEFSUBR (Fevent_window_x_pixel);
+ − 2571 DEFSUBR (Fevent_window_y_pixel);
+ − 2572 DEFSUBR (Fevent_over_text_area_p);
+ − 2573 DEFSUBR (Fevent_over_modeline_p);
+ − 2574 DEFSUBR (Fevent_over_border_p);
+ − 2575 DEFSUBR (Fevent_over_toolbar_p);
+ − 2576 DEFSUBR (Fevent_over_vertical_divider_p);
+ − 2577 DEFSUBR (Fevent_channel);
+ − 2578 DEFSUBR (Fevent_window);
+ − 2579 DEFSUBR (Fevent_point);
+ − 2580 DEFSUBR (Fevent_closest_point);
+ − 2581 DEFSUBR (Fevent_x);
+ − 2582 DEFSUBR (Fevent_y);
+ − 2583 DEFSUBR (Fevent_modeline_position);
+ − 2584 DEFSUBR (Fevent_glyph);
+ − 2585 DEFSUBR (Fevent_glyph_extent);
+ − 2586 DEFSUBR (Fevent_glyph_x_pixel);
+ − 2587 DEFSUBR (Fevent_glyph_y_pixel);
+ − 2588 DEFSUBR (Fevent_toolbar_button);
+ − 2589 DEFSUBR (Fevent_process);
+ − 2590 DEFSUBR (Fevent_function);
+ − 2591 DEFSUBR (Fevent_object);
+ − 2592
563
+ − 2593 DEFSYMBOL (Qeventp);
+ − 2594 DEFSYMBOL (Qevent_live_p);
+ − 2595 DEFSYMBOL (Qkey_press_event_p);
+ − 2596 DEFSYMBOL (Qbutton_event_p);
+ − 2597 DEFSYMBOL (Qmouse_event_p);
+ − 2598 DEFSYMBOL (Qprocess_event_p);
+ − 2599 DEFSYMBOL (Qkey_press);
+ − 2600 DEFSYMBOL (Qbutton_press);
+ − 2601 DEFSYMBOL (Qbutton_release);
+ − 2602 DEFSYMBOL (Qmisc_user);
+ − 2603 DEFSYMBOL (Qascii_character);
428
+ − 2604
+ − 2605 defsymbol (&QKbackspace, "backspace");
+ − 2606 defsymbol (&QKtab, "tab");
+ − 2607 defsymbol (&QKlinefeed, "linefeed");
+ − 2608 defsymbol (&QKreturn, "return");
+ − 2609 defsymbol (&QKescape, "escape");
+ − 2610 defsymbol (&QKspace, "space");
+ − 2611 defsymbol (&QKdelete, "delete");
+ − 2612 }
+ − 2613
+ − 2614
+ − 2615 void
+ − 2616 reinit_vars_of_events (void)
+ − 2617 {
+ − 2618 Vevent_resource = Qnil;
+ − 2619 }
+ − 2620
+ − 2621 void
+ − 2622 vars_of_events (void)
+ − 2623 {
+ − 2624 reinit_vars_of_events ();
+ − 2625
+ − 2626 DEFVAR_LISP ("character-set-property", &Vcharacter_set_property /*
1204
+ − 2627 This is used to map e.g. `ocircumflex' to the appropriate character under X.
+ − 2628 This value of this variable (a symbol, normally `x-iso8859-1' if not nil)
+ − 2629 if used to look up a property on the keysym in question, which should
+ − 2630 correspond to a character.
+ − 2631
+ − 2632 #### This is way bogus and will be removed soon.
+ − 2633
+ − 2634 The conversion between X keysyms and characters is now handled more or less
+ − 2635 automatically using XDisplayKeycodes().
428
+ − 2636 */ );
+ − 2637 Vcharacter_set_property = Qnil;
+ − 2638 }
