Mercurial > hg > xemacs-beta
annotate src/events.c @ 5046:d4f666cda5e6
some random fixups
-------------------- ChangeLog entries follow: --------------------
man/ChangeLog addition:
2010-02-20 Ben Wing <ben@xemacs.org>
* internals/internals.texi (Intro to Window and Frame Geometry):
Shrink diagram to fit when offset by five spaces as a result of
quoting.
src/ChangeLog addition:
2010-02-20 Ben Wing <ben@xemacs.org>
* syswindows.h:
Add table about GNU Emacs -> XEmacs Windows constants from
the internals manual.
* frame.c:
Shrink size of diagram consistent with internals manual.
* alloc.c:
* compiler.h:
* console.c:
* events.c:
* gc.c (gc_stat_start_new_gc):
* gc.c (gc_stat_resume_gc):
* gc.c (kkcc_marking):
* gc.c (gc_1):
* gc.c (gc):
* objects-tty.c:
* redisplay-msw.c:
* redisplay-msw.c (mswindows_clear_region):
* syntax.c:
* syntax.c (ST_COMMENT_STYLE):
* sysdep.c:
Fix various compiler warnings.
| author | Ben Wing <ben@xemacs.org> |
|---|---|
| date | Sat, 20 Feb 2010 03:24:08 -0600 |
| parents | e813cf16c015 |
| children | 92dc90c0bb40 |
| rev | line source |
|---|---|
| 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. | |
| 5046 | 4 Copyright (C) 2001, 2002, 2005, 2010 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; | |
| 2828 | 58 Lisp_Object Qcharacter_of_keysym, Qascii_character; |
| 428 | 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); | |
| 3063 | 77 int i; |
| 78 /* Preserve the old UID for this event, for tracking it */ | |
| 79 unsigned int old_uid = event->lheader.uid; | |
| 934 | 80 |
| 1204 | 81 for (i = 0; i < (int) (sizeof (Lisp_Event) / sizeof (int)); i++) |
| 82 ((int *) event) [i] = 0xdeadbeef; /* -559038737 base 10 */ | |
| 83 set_lheader_implementation (&event->lheader, &lrecord_event); | |
| 3063 | 84 event->lheader.uid = old_uid; |
| 934 | 85 set_event_type (event, dead_event); |
| 86 SET_EVENT_CHANNEL (event, Qnil); | |
| 428 | 87 XSET_EVENT_NEXT (ev, Qnil); |
| 88 } | |
| 89 | |
| 90 /* Set everything to zero or nil so that it's predictable. */ | |
| 91 void | |
| 440 | 92 zero_event (Lisp_Event *e) |
| 428 | 93 { |
| 3063 | 94 /* Preserve the old UID for this event, for tracking it */ |
| 95 unsigned int old_uid = e->lheader.uid; | |
| 96 | |
| 428 | 97 xzero (*e); |
| 442 | 98 set_lheader_implementation (&e->lheader, &lrecord_event); |
| 3063 | 99 e->lheader.uid = old_uid; |
| 1204 | 100 set_event_type (e, empty_event); |
| 101 SET_EVENT_CHANNEL (e, Qnil); | |
| 102 SET_EVENT_NEXT (e, Qnil); | |
| 428 | 103 } |
| 104 | |
| 1204 | 105 static const struct memory_description key_data_description_1 [] = { |
| 106 { XD_LISP_OBJECT, offsetof (struct Lisp_Key_Data, keysym) }, | |
| 107 { XD_END } | |
| 108 }; | |
| 109 | |
| 110 static const struct sized_memory_description key_data_description = { | |
| 111 sizeof (Lisp_Key_Data), key_data_description_1 | |
| 112 }; | |
| 113 | |
| 114 static const struct memory_description button_data_description_1 [] = { | |
| 115 { XD_END } | |
| 116 }; | |
| 117 | |
| 118 static const struct sized_memory_description button_data_description = { | |
| 119 sizeof (Lisp_Button_Data), button_data_description_1 | |
| 120 }; | |
| 121 | |
| 122 static const struct memory_description motion_data_description_1 [] = { | |
| 123 { XD_END } | |
| 124 }; | |
| 125 | |
| 126 static const struct sized_memory_description motion_data_description = { | |
| 127 sizeof (Lisp_Motion_Data), motion_data_description_1 | |
| 128 }; | |
| 129 | |
| 130 static const struct memory_description process_data_description_1 [] = { | |
| 131 { XD_LISP_OBJECT, offsetof (struct Lisp_Process_Data, process) }, | |
| 132 { XD_END } | |
| 133 }; | |
| 134 | |
| 135 static const struct sized_memory_description process_data_description = { | |
| 136 sizeof (Lisp_Process_Data), process_data_description_1 | |
| 137 }; | |
| 138 | |
| 139 static const struct memory_description timeout_data_description_1 [] = { | |
| 140 { XD_LISP_OBJECT, offsetof (struct Lisp_Timeout_Data, function) }, | |
| 141 { XD_LISP_OBJECT, offsetof (struct Lisp_Timeout_Data, object) }, | |
| 142 { XD_END } | |
| 143 }; | |
| 144 | |
| 145 static const struct sized_memory_description timeout_data_description = { | |
| 146 sizeof (Lisp_Timeout_Data), timeout_data_description_1 | |
| 147 }; | |
| 148 | |
| 149 static const struct memory_description eval_data_description_1 [] = { | |
| 150 { XD_LISP_OBJECT, offsetof (struct Lisp_Eval_Data, function) }, | |
| 151 { XD_LISP_OBJECT, offsetof (struct Lisp_Eval_Data, object) }, | |
| 152 { XD_END } | |
| 153 }; | |
| 154 | |
| 155 static const struct sized_memory_description eval_data_description = { | |
| 156 sizeof (Lisp_Eval_Data), eval_data_description_1 | |
| 157 }; | |
| 158 | |
| 159 static const struct memory_description misc_user_data_description_1 [] = { | |
| 160 { XD_LISP_OBJECT, offsetof (struct Lisp_Misc_User_Data, function) }, | |
| 161 { XD_LISP_OBJECT, offsetof (struct Lisp_Misc_User_Data, object) }, | |
| 162 { XD_END } | |
| 163 }; | |
| 164 | |
| 165 static const struct sized_memory_description misc_user_data_description = { | |
| 166 sizeof (Lisp_Misc_User_Data), misc_user_data_description_1 | |
| 167 }; | |
| 168 | |
| 169 static const struct memory_description magic_eval_data_description_1 [] = { | |
| 170 { XD_LISP_OBJECT, offsetof (struct Lisp_Magic_Eval_Data, object) }, | |
| 171 { XD_END } | |
| 172 }; | |
| 173 | |
| 174 static const struct sized_memory_description magic_eval_data_description = { | |
| 175 sizeof (Lisp_Magic_Eval_Data), magic_eval_data_description_1 | |
| 176 }; | |
| 177 | |
| 178 static const struct memory_description magic_data_description_1 [] = { | |
| 179 { XD_END } | |
| 180 }; | |
| 181 | |
| 182 static const struct sized_memory_description magic_data_description = { | |
| 183 sizeof (Lisp_Magic_Data), magic_data_description_1 | |
| 184 }; | |
| 185 | |
| 186 static const struct memory_description event_data_description_1 [] = { | |
| 2551 | 187 { XD_BLOCK_ARRAY, key_press_event, 1, { &key_data_description } }, |
| 188 { XD_BLOCK_ARRAY, button_press_event, 1, { &button_data_description } }, | |
| 189 { XD_BLOCK_ARRAY, button_release_event, 1, { &button_data_description } }, | |
| 190 { XD_BLOCK_ARRAY, pointer_motion_event, 1, { &motion_data_description } }, | |
| 191 { XD_BLOCK_ARRAY, process_event, 1, { &process_data_description } }, | |
| 192 { XD_BLOCK_ARRAY, timeout_event, 1, { &timeout_data_description } }, | |
| 193 { XD_BLOCK_ARRAY, magic_event, 1, { &magic_data_description } }, | |
| 194 { XD_BLOCK_ARRAY, magic_eval_event, 1, { &magic_eval_data_description } }, | |
| 195 { XD_BLOCK_ARRAY, eval_event, 1, { &eval_data_description } }, | |
| 196 { XD_BLOCK_ARRAY, misc_user_event, 1, { &misc_user_data_description } }, | |
| 1204 | 197 { XD_END } |
| 198 }; | |
| 199 | |
| 200 static const struct sized_memory_description event_data_description = { | |
| 201 0, event_data_description_1 | |
| 202 }; | |
| 203 | |
| 204 static const struct memory_description event_description [] = { | |
| 205 { XD_INT, offsetof (struct Lisp_Event, event_type) }, | |
| 206 { XD_LISP_OBJECT, offsetof (struct Lisp_Event, next) }, | |
| 207 { XD_LISP_OBJECT, offsetof (struct Lisp_Event, channel) }, | |
| 208 { XD_UNION, offsetof (struct Lisp_Event, event), | |
| 2551 | 209 XD_INDIRECT (0, 0), { &event_data_description } }, |
| 1204 | 210 { XD_END } |
| 211 }; | |
| 212 | |
| 213 #ifdef EVENT_DATA_AS_OBJECTS | |
| 214 | |
| 215 DEFINE_BASIC_LRECORD_IMPLEMENTATION ("key-data", key_data, | |
| 216 0, /*dumpable-flag*/ | |
| 217 0, 0, 0, 0, 0, | |
| 218 key_data_description, | |
| 219 Lisp_Key_Data); | |
| 220 | |
| 221 DEFINE_BASIC_LRECORD_IMPLEMENTATION ("button-data", button_data, | |
| 222 0, /*dumpable-flag*/ | |
| 223 0, 0, 0, 0, 0, | |
| 224 button_data_description, | |
| 225 Lisp_Button_Data); | |
| 226 | |
| 227 DEFINE_BASIC_LRECORD_IMPLEMENTATION ("motion-data", motion_data, | |
| 228 0, /*dumpable-flag*/ | |
| 229 0, 0, 0, 0, 0, | |
| 230 motion_data_description, | |
| 231 Lisp_Motion_Data); | |
| 232 | |
| 233 DEFINE_BASIC_LRECORD_IMPLEMENTATION ("process-data", process_data, | |
| 234 0, /*dumpable-flag*/ | |
| 235 0, 0, 0, 0, 0, | |
| 236 process_data_description, | |
| 237 Lisp_Process_Data); | |
| 238 | |
| 239 DEFINE_BASIC_LRECORD_IMPLEMENTATION ("timeout-data", timeout_data, | |
| 240 0, /*dumpable-flag*/ | |
| 241 0, 0, 0, 0, 0, | |
| 242 timeout_data_description, | |
| 243 Lisp_Timeout_Data); | |
| 244 | |
| 245 DEFINE_BASIC_LRECORD_IMPLEMENTATION ("eval-data", eval_data, | |
| 246 0, /*dumpable-flag*/ | |
| 247 0, 0, 0, 0, 0, | |
| 248 eval_data_description, | |
| 249 Lisp_Eval_Data); | |
| 250 | |
| 251 DEFINE_BASIC_LRECORD_IMPLEMENTATION ("misc-user-data", misc_user_data, | |
| 252 0, /*dumpable-flag*/ | |
| 253 0, 0, 0, 0, 0, | |
| 254 misc_user_data_description, | |
| 255 Lisp_Misc_User_Data); | |
| 256 | |
| 257 DEFINE_BASIC_LRECORD_IMPLEMENTATION ("magic-eval-data", magic_eval_data, | |
| 258 0, /*dumpable-flag*/ | |
| 259 0, 0, 0, 0, 0, | |
| 260 magic_eval_data_description, | |
| 261 Lisp_Magic_Eval_Data); | |
| 262 | |
| 263 DEFINE_BASIC_LRECORD_IMPLEMENTATION ("magic-data", magic_data, | |
| 264 0, /*dumpable-flag*/ | |
| 265 0, 0, 0, 0, 0, | |
| 266 magic_data_description, | |
| 267 Lisp_Magic_Data); | |
| 268 | |
| 269 #endif /* EVENT_DATA_AS_OBJECTS */ | |
| 270 | |
| 428 | 271 static Lisp_Object |
| 272 mark_event (Lisp_Object obj) | |
| 273 { | |
| 440 | 274 Lisp_Event *event = XEVENT (obj); |
| 428 | 275 |
| 276 switch (event->event_type) | |
| 277 { | |
| 278 case key_press_event: | |
| 1204 | 279 mark_object (EVENT_KEY_KEYSYM (event)); |
| 428 | 280 break; |
| 281 case process_event: | |
| 1204 | 282 mark_object (EVENT_PROCESS_PROCESS (event)); |
| 428 | 283 break; |
| 284 case timeout_event: | |
| 1204 | 285 mark_object (EVENT_TIMEOUT_FUNCTION (event)); |
| 286 mark_object (EVENT_TIMEOUT_OBJECT (event)); | |
| 428 | 287 break; |
| 288 case eval_event: | |
| 289 case misc_user_event: | |
| 1204 | 290 mark_object (EVENT_EVAL_FUNCTION (event)); |
| 291 mark_object (EVENT_EVAL_OBJECT (event)); | |
| 428 | 292 break; |
| 293 case magic_eval_event: | |
| 1204 | 294 mark_object (EVENT_MAGIC_EVAL_OBJECT (event)); |
| 428 | 295 break; |
| 296 case button_press_event: | |
| 297 case button_release_event: | |
| 298 case pointer_motion_event: | |
| 299 case magic_event: | |
| 300 case empty_event: | |
| 301 case dead_event: | |
| 302 break; | |
| 303 default: | |
| 2500 | 304 ABORT (); |
| 428 | 305 } |
| 306 mark_object (event->channel); | |
| 307 return event->next; | |
| 308 } | |
| 309 | |
| 310 static void | |
|
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diff
changeset
|
311 print_event_1 (const Ascbyte *str, Lisp_Object obj, Lisp_Object printcharfun) |
| 428 | 312 { |
| 793 | 313 DECLARE_EISTRING_MALLOC (ei); |
|
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diff
changeset
|
314 write_ascstring (printcharfun, str); |
| 1204 | 315 format_event_object (ei, obj, 0); |
| 826 | 316 write_eistring (printcharfun, ei); |
| 793 | 317 eifree (ei); |
| 428 | 318 } |
| 319 | |
| 320 static void | |
| 2286 | 321 print_event (Lisp_Object obj, Lisp_Object printcharfun, |
| 322 int UNUSED (escapeflag)) | |
| 428 | 323 { |
| 324 if (print_readably) | |
| 563 | 325 printing_unreadable_object ("#<event>"); |
| 428 | 326 |
| 327 switch (XEVENT (obj)->event_type) | |
| 328 { | |
| 329 case key_press_event: | |
| 330 print_event_1 ("#<keypress-event ", obj, printcharfun); | |
| 331 break; | |
| 332 case button_press_event: | |
| 333 print_event_1 ("#<buttondown-event ", obj, printcharfun); | |
| 334 break; | |
| 335 case button_release_event: | |
| 336 print_event_1 ("#<buttonup-event ", obj, printcharfun); | |
| 337 break; | |
| 338 case magic_event: | |
| 339 case magic_eval_event: | |
| 340 print_event_1 ("#<magic-event ", obj, printcharfun); | |
| 341 break; | |
| 342 case pointer_motion_event: | |
| 343 { | |
| 344 Lisp_Object Vx, Vy; | |
| 345 Vx = Fevent_x_pixel (obj); | |
| 346 assert (INTP (Vx)); | |
| 347 Vy = Fevent_y_pixel (obj); | |
| 348 assert (INTP (Vy)); | |
| 793 | 349 write_fmt_string (printcharfun, "#<motion-event %ld, %ld", |
| 350 (long) XINT (Vx), (long) XINT (Vy)); | |
| 428 | 351 break; |
| 352 } | |
| 353 case process_event: | |
| 1204 | 354 write_fmt_string_lisp (printcharfun, "#<process-event %S", 1, |
| 355 XEVENT_PROCESS_PROCESS (obj)); | |
| 428 | 356 break; |
| 357 case timeout_event: | |
| 1204 | 358 write_fmt_string_lisp (printcharfun, "#<timeout-event %S", 1, |
| 359 XEVENT_TIMEOUT_OBJECT (obj)); | |
| 428 | 360 break; |
| 361 case empty_event: | |
|
4952
19a72041c5ed
Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4780
diff
changeset
|
362 write_ascstring (printcharfun, "#<empty-event"); |
| 428 | 363 break; |
| 364 case misc_user_event: | |
| 1204 | 365 write_fmt_string_lisp (printcharfun, "#<misc-user-event (%S", 1, |
| 366 XEVENT_MISC_USER_FUNCTION (obj)); | |
| 367 write_fmt_string_lisp (printcharfun, " %S)", 1, | |
| 368 XEVENT_MISC_USER_OBJECT (obj)); | |
| 428 | 369 break; |
| 370 case eval_event: | |
| 1204 | 371 write_fmt_string_lisp (printcharfun, "#<eval-event (%S", 1, |
| 372 XEVENT_EVAL_FUNCTION (obj)); | |
| 373 write_fmt_string_lisp (printcharfun, " %S)", 1, | |
| 374 XEVENT_EVAL_OBJECT (obj)); | |
| 428 | 375 break; |
| 376 case dead_event: | |
|
4952
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Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4780
diff
changeset
|
377 write_ascstring (printcharfun, "#<DEALLOCATED-EVENT"); |
| 428 | 378 break; |
| 379 default: | |
|
4952
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Mule-izing, various fixes related to char * arguments
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parents:
4780
diff
changeset
|
380 write_ascstring (printcharfun, "#<UNKNOWN-EVENT-TYPE"); |
| 428 | 381 break; |
| 382 } | |
|
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Mule-izing, various fixes related to char * arguments
Ben Wing <ben@xemacs.org>
parents:
4780
diff
changeset
|
383 write_ascstring (printcharfun, ">"); |
| 428 | 384 } |
| 385 | |
| 386 static int | |
|
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387 event_equal (Lisp_Object obj1, Lisp_Object obj2, int UNUSED (depth), |
|
6ef8256a020a
implement equalp in C, fix case-folding, add equal() method for keymaps
Ben Wing <ben@xemacs.org>
parents:
4780
diff
changeset
|
388 int UNUSED (foldcase)) |
| 428 | 389 { |
| 440 | 390 Lisp_Event *e1 = XEVENT (obj1); |
| 391 Lisp_Event *e2 = XEVENT (obj2); | |
| 428 | 392 |
| 393 if (e1->event_type != e2->event_type) return 0; | |
| 394 if (!EQ (e1->channel, e2->channel)) return 0; | |
| 395 /* if (e1->timestamp != e2->timestamp) return 0; */ | |
| 396 switch (e1->event_type) | |
| 397 { | |
| 2500 | 398 default: ABORT (); |
| 428 | 399 |
| 400 case process_event: | |
| 1204 | 401 return EQ (EVENT_PROCESS_PROCESS (e1), EVENT_PROCESS_PROCESS (e2)); |
| 428 | 402 |
| 403 case timeout_event: | |
| 1204 | 404 return (internal_equal (EVENT_TIMEOUT_FUNCTION (e1), |
| 405 EVENT_TIMEOUT_FUNCTION (e2), 0) && | |
| 406 internal_equal (EVENT_TIMEOUT_OBJECT (e1), | |
| 407 EVENT_TIMEOUT_OBJECT (e2), 0)); | |
| 428 | 408 |
| 409 case key_press_event: | |
| 1204 | 410 return (EQ (EVENT_KEY_KEYSYM (e1), EVENT_KEY_KEYSYM (e2)) && |
| 411 (EVENT_KEY_MODIFIERS (e1) == EVENT_KEY_MODIFIERS (e2))); | |
| 428 | 412 |
| 413 case button_press_event: | |
| 414 case button_release_event: | |
| 1204 | 415 return (EVENT_BUTTON_BUTTON (e1) == EVENT_BUTTON_BUTTON (e2) && |
| 416 EVENT_BUTTON_MODIFIERS (e1) == EVENT_BUTTON_MODIFIERS (e2)); | |
| 428 | 417 |
| 418 case pointer_motion_event: | |
| 1204 | 419 return (EVENT_MOTION_X (e1) == EVENT_MOTION_X (e2) && |
| 420 EVENT_MOTION_Y (e1) == EVENT_MOTION_Y (e2)); | |
| 428 | 421 |
| 422 case misc_user_event: | |
| 1204 | 423 return (internal_equal (EVENT_EVAL_FUNCTION (e1), |
| 424 EVENT_EVAL_FUNCTION (e2), 0) && | |
| 425 internal_equal (EVENT_EVAL_OBJECT (e1), | |
| 426 EVENT_EVAL_OBJECT (e2), 0) && | |
| 427 /* #### is this really needed for equality | |
| 428 | 428 or is x and y also important? */ |
| 1204 | 429 EVENT_MISC_USER_BUTTON (e1) == EVENT_MISC_USER_BUTTON (e2) && |
| 430 EVENT_MISC_USER_MODIFIERS (e1) == EVENT_MISC_USER_MODIFIERS (e2)); | |
| 428 | 431 |
| 432 case eval_event: | |
| 1204 | 433 return (internal_equal (EVENT_EVAL_FUNCTION (e1), |
| 434 EVENT_EVAL_FUNCTION (e2), 0) && | |
| 435 internal_equal (EVENT_EVAL_OBJECT (e1), | |
| 436 EVENT_EVAL_OBJECT (e2), 0)); | |
| 428 | 437 |
| 438 case magic_eval_event: | |
| 1204 | 439 return (EVENT_MAGIC_EVAL_INTERNAL_FUNCTION (e1) == |
| 440 EVENT_MAGIC_EVAL_INTERNAL_FUNCTION (e2) && | |
| 441 internal_equal (EVENT_MAGIC_EVAL_OBJECT (e1), | |
| 442 EVENT_MAGIC_EVAL_OBJECT (e2), 0)); | |
| 428 | 443 |
| 444 case magic_event: | |
| 788 | 445 return event_stream_compare_magic_event (e1, e2); |
| 428 | 446 |
| 447 case empty_event: /* Empty and deallocated events are equal. */ | |
| 448 case dead_event: | |
| 449 return 1; | |
| 450 } | |
| 451 } | |
| 452 | |
| 665 | 453 static Hashcode |
| 428 | 454 event_hash (Lisp_Object obj, int depth) |
| 455 { | |
| 440 | 456 Lisp_Event *e = XEVENT (obj); |
| 665 | 457 Hashcode hash; |
| 428 | 458 |
| 459 hash = HASH2 (e->event_type, LISP_HASH (e->channel)); | |
| 460 switch (e->event_type) | |
| 461 { | |
| 462 case process_event: | |
| 1204 | 463 return HASH2 (hash, LISP_HASH (EVENT_PROCESS_PROCESS (e))); |
| 428 | 464 |
| 465 case timeout_event: | |
| 1204 | 466 return HASH3 (hash, |
| 467 internal_hash (EVENT_TIMEOUT_FUNCTION (e), depth + 1), | |
| 468 internal_hash (EVENT_TIMEOUT_OBJECT (e), depth + 1)); | |
| 428 | 469 |
| 470 case key_press_event: | |
| 1204 | 471 return HASH3 (hash, LISP_HASH (EVENT_KEY_KEYSYM (e)), |
| 472 EVENT_KEY_MODIFIERS (e)); | |
| 428 | 473 |
| 474 case button_press_event: | |
| 475 case button_release_event: | |
| 1204 | 476 return HASH3 (hash, EVENT_BUTTON_BUTTON (e), EVENT_BUTTON_MODIFIERS (e)); |
| 428 | 477 |
| 478 case pointer_motion_event: | |
| 1204 | 479 return HASH3 (hash, EVENT_MOTION_X (e), EVENT_MOTION_Y (e)); |
| 428 | 480 |
| 481 case misc_user_event: | |
| 1204 | 482 return HASH5 (hash, |
| 483 internal_hash (EVENT_MISC_USER_FUNCTION (e), depth + 1), | |
| 484 internal_hash (EVENT_MISC_USER_OBJECT (e), depth + 1), | |
| 485 EVENT_MISC_USER_BUTTON (e), EVENT_MISC_USER_MODIFIERS (e)); | |
| 428 | 486 |
| 487 case eval_event: | |
| 1204 | 488 return HASH3 (hash, internal_hash (EVENT_EVAL_FUNCTION (e), depth + 1), |
| 489 internal_hash (EVENT_EVAL_OBJECT (e), depth + 1)); | |
| 428 | 490 |
| 491 case magic_eval_event: | |
| 492 return HASH3 (hash, | |
| 1204 | 493 (Hashcode) EVENT_MAGIC_EVAL_INTERNAL_FUNCTION (e), |
| 494 internal_hash (EVENT_MAGIC_EVAL_OBJECT (e), depth + 1)); | |
| 428 | 495 |
| 496 case magic_event: | |
| 788 | 497 return HASH2 (hash, event_stream_hash_magic_event (e)); |
| 428 | 498 |
| 499 case empty_event: | |
| 500 case dead_event: | |
| 501 return hash; | |
| 502 | |
| 503 default: | |
| 2500 | 504 ABORT (); |
| 428 | 505 } |
| 506 | |
| 507 return 0; /* unreached */ | |
| 508 } | |
| 934 | 509 |
| 510 DEFINE_BASIC_LRECORD_IMPLEMENTATION ("event", event, | |
| 511 0, /*dumpable-flag*/ | |
| 512 mark_event, print_event, 0, event_equal, | |
| 1204 | 513 event_hash, event_description, |
| 514 Lisp_Event); | |
| 428 | 515 |
| 516 DEFUN ("make-event", Fmake_event, 0, 2, 0, /* | |
| 517 Return a new event of type TYPE, with properties described by PLIST. | |
| 518 | |
| 519 TYPE is a symbol, either `empty', `key-press', `button-press', | |
| 520 `button-release', `misc-user' or `motion'. If TYPE is nil, it | |
| 521 defaults to `empty'. | |
| 522 | |
| 523 PLIST is a property list, the properties being compatible to those | |
| 524 returned by `event-properties'. The following properties are | |
| 525 allowed: | |
| 526 | |
| 527 channel -- The event channel, a frame or a console. For | |
| 528 button-press, button-release, misc-user and motion events, | |
| 529 this must be a frame. For key-press events, it must be | |
| 530 a console. If channel is unspecified, it will be set to | |
| 531 the selected frame or selected console, as appropriate. | |
| 532 key -- The event key, a symbol or character. Allowed only for | |
| 533 keypress events. | |
| 534 button -- The event button, integer 1, 2 or 3. Allowed for | |
| 535 button-press, button-release and misc-user events. | |
| 536 modifiers -- The event modifiers, a list of modifier symbols. Allowed | |
| 537 for key-press, button-press, button-release, motion and | |
| 538 misc-user events. | |
| 539 function -- Function. Allowed for misc-user events only. | |
| 540 object -- An object, function's parameter. Allowed for misc-user | |
| 541 events only. | |
| 542 x -- The event X coordinate, an integer. This is relative | |
| 543 to the left of CHANNEL's root window. Allowed for | |
| 544 motion, button-press, button-release and misc-user events. | |
| 545 y -- The event Y coordinate, an integer. This is relative | |
| 546 to the top of CHANNEL's root window. Allowed for | |
| 547 motion, button-press, button-release and misc-user events. | |
| 548 timestamp -- The event timestamp, a non-negative integer. Allowed for | |
| 549 all types of events. If unspecified, it will be set to 0 | |
| 550 by default. | |
| 551 | |
| 552 For event type `empty', PLIST must be nil. | |
| 553 `button-release', or `motion'. If TYPE is left out, it defaults to | |
| 554 `empty'. | |
| 555 PLIST is a list of properties, as returned by `event-properties'. Not | |
| 556 all properties are allowed for all kinds of events, and some are | |
| 557 required. | |
| 558 | |
| 559 WARNING: the event object returned may be a reused one; see the function | |
| 560 `deallocate-event'. | |
| 561 */ | |
| 562 (type, plist)) | |
| 563 { | |
| 564 Lisp_Object event = Qnil; | |
| 440 | 565 Lisp_Event *e; |
| 428 | 566 EMACS_INT coord_x = 0, coord_y = 0; |
| 567 struct gcpro gcpro1; | |
| 568 | |
| 569 GCPRO1 (event); | |
| 570 | |
| 571 if (NILP (type)) | |
| 572 type = Qempty; | |
| 573 | |
| 574 if (!NILP (Vevent_resource)) | |
| 575 { | |
| 576 event = Vevent_resource; | |
| 577 Vevent_resource = XEVENT_NEXT (event); | |
| 578 } | |
| 579 else | |
| 580 { | |
| 581 event = allocate_event (); | |
| 582 } | |
| 583 e = XEVENT (event); | |
| 584 zero_event (e); | |
| 585 | |
| 586 if (EQ (type, Qempty)) | |
| 587 { | |
| 588 /* For empty event, we return immediately, without processing | |
| 589 PLIST. In fact, processing PLIST would be wrong, because the | |
| 590 sanitizing process would fill in the properties | |
| 591 (e.g. CHANNEL), which we don't want in empty events. */ | |
| 934 | 592 set_event_type (e, empty_event); |
| 428 | 593 if (!NILP (plist)) |
| 563 | 594 invalid_operation ("Cannot set properties of empty event", plist); |
| 428 | 595 UNGCPRO; |
| 596 return event; | |
| 597 } | |
| 598 else if (EQ (type, Qkey_press)) | |
| 599 { | |
| 934 | 600 set_event_type (e, key_press_event); |
| 1204 | 601 SET_EVENT_KEY_KEYSYM (e, Qunbound); |
| 428 | 602 } |
| 603 else if (EQ (type, Qbutton_press)) | |
| 934 | 604 set_event_type (e, button_press_event); |
| 428 | 605 else if (EQ (type, Qbutton_release)) |
| 934 | 606 set_event_type (e, button_release_event); |
| 428 | 607 else if (EQ (type, Qmotion)) |
| 934 | 608 set_event_type (e, pointer_motion_event); |
| 428 | 609 else if (EQ (type, Qmisc_user)) |
| 610 { | |
| 934 | 611 set_event_type (e, misc_user_event); |
| 1204 | 612 SET_EVENT_MISC_USER_FUNCTION (e, Qnil); |
| 613 SET_EVENT_MISC_USER_OBJECT (e, Qnil); | |
| 428 | 614 } |
| 615 else | |
| 616 { | |
| 617 /* Not allowed: Qprocess, Qtimeout, Qmagic, Qeval, Qmagic_eval. */ | |
| 563 | 618 invalid_constant ("Invalid event type", type); |
| 428 | 619 } |
| 620 | |
| 621 EVENT_CHANNEL (e) = Qnil; | |
| 622 | |
| 623 plist = Fcopy_sequence (plist); | |
| 624 Fcanonicalize_plist (plist, Qnil); | |
| 625 | |
| 442 | 626 #define WRONG_EVENT_TYPE_FOR_PROPERTY(event_type, prop) \ |
| 563 | 627 invalid_argument_2 ("Invalid property for event type", prop, event_type) |
| 428 | 628 |
| 442 | 629 { |
| 630 EXTERNAL_PROPERTY_LIST_LOOP_3 (keyword, value, plist) | |
| 631 { | |
| 632 if (EQ (keyword, Qchannel)) | |
| 633 { | |
| 1204 | 634 if (EVENT_TYPE (e) == key_press_event) |
| 442 | 635 { |
| 636 if (!CONSOLEP (value)) | |
| 637 value = wrong_type_argument (Qconsolep, value); | |
| 638 } | |
| 639 else | |
| 640 { | |
| 641 if (!FRAMEP (value)) | |
| 642 value = wrong_type_argument (Qframep, value); | |
| 643 } | |
| 644 EVENT_CHANNEL (e) = value; | |
| 645 } | |
| 646 else if (EQ (keyword, Qkey)) | |
| 647 { | |
| 1204 | 648 switch (EVENT_TYPE (e)) |
| 442 | 649 { |
| 650 case key_press_event: | |
| 651 if (!SYMBOLP (value) && !CHARP (value)) | |
| 563 | 652 invalid_argument ("Invalid event key", value); |
| 1204 | 653 SET_EVENT_KEY_KEYSYM (e, value); |
| 442 | 654 break; |
| 655 default: | |
| 656 WRONG_EVENT_TYPE_FOR_PROPERTY (type, keyword); | |
| 657 break; | |
| 658 } | |
| 659 } | |
| 660 else if (EQ (keyword, Qbutton)) | |
| 661 { | |
| 662 CHECK_NATNUM (value); | |
| 663 check_int_range (XINT (value), 0, 7); | |
| 428 | 664 |
| 1204 | 665 switch (EVENT_TYPE (e)) |
| 442 | 666 { |
| 667 case button_press_event: | |
| 668 case button_release_event: | |
| 1204 | 669 SET_EVENT_BUTTON_BUTTON (e, XINT (value)); |
| 442 | 670 break; |
| 671 case misc_user_event: | |
| 1204 | 672 SET_EVENT_MISC_USER_BUTTON (e, XINT (value)); |
| 442 | 673 break; |
| 674 default: | |
| 675 WRONG_EVENT_TYPE_FOR_PROPERTY (type, keyword); | |
| 676 break; | |
| 677 } | |
| 678 } | |
| 679 else if (EQ (keyword, Qmodifiers)) | |
| 680 { | |
| 681 int modifiers = 0; | |
| 428 | 682 |
| 442 | 683 EXTERNAL_LIST_LOOP_2 (sym, value) |
| 684 { | |
| 685 if (EQ (sym, Qcontrol)) modifiers |= XEMACS_MOD_CONTROL; | |
| 686 else if (EQ (sym, Qmeta)) modifiers |= XEMACS_MOD_META; | |
| 687 else if (EQ (sym, Qsuper)) modifiers |= XEMACS_MOD_SUPER; | |
| 688 else if (EQ (sym, Qhyper)) modifiers |= XEMACS_MOD_HYPER; | |
| 689 else if (EQ (sym, Qalt)) modifiers |= XEMACS_MOD_ALT; | |
| 690 else if (EQ (sym, Qsymbol)) modifiers |= XEMACS_MOD_ALT; | |
| 691 else if (EQ (sym, Qshift)) modifiers |= XEMACS_MOD_SHIFT; | |
| 692 else if (EQ (sym, Qbutton1)) modifiers |= XEMACS_MOD_BUTTON1; | |
| 693 else if (EQ (sym, Qbutton2)) modifiers |= XEMACS_MOD_BUTTON2; | |
| 694 else if (EQ (sym, Qbutton3)) modifiers |= XEMACS_MOD_BUTTON3; | |
| 695 else if (EQ (sym, Qbutton4)) modifiers |= XEMACS_MOD_BUTTON4; | |
| 696 else if (EQ (sym, Qbutton5)) modifiers |= XEMACS_MOD_BUTTON5; | |
| 697 else | |
| 563 | 698 invalid_constant ("Invalid key modifier", sym); |
| 442 | 699 } |
| 428 | 700 |
| 1204 | 701 switch (EVENT_TYPE (e)) |
| 442 | 702 { |
| 703 case key_press_event: | |
| 1204 | 704 SET_EVENT_KEY_MODIFIERS (e, modifiers); |
| 442 | 705 break; |
| 706 case button_press_event: | |
| 707 case button_release_event: | |
| 1204 | 708 SET_EVENT_BUTTON_MODIFIERS (e, modifiers); |
| 442 | 709 break; |
| 710 case pointer_motion_event: | |
| 1204 | 711 SET_EVENT_MOTION_MODIFIERS (e, modifiers); |
| 442 | 712 break; |
| 713 case misc_user_event: | |
| 1204 | 714 SET_EVENT_MISC_USER_MODIFIERS (e, modifiers); |
| 442 | 715 break; |
| 716 default: | |
| 717 WRONG_EVENT_TYPE_FOR_PROPERTY (type, keyword); | |
| 718 break; | |
| 719 } | |
| 720 } | |
| 721 else if (EQ (keyword, Qx)) | |
| 722 { | |
| 1204 | 723 switch (EVENT_TYPE (e)) |
| 442 | 724 { |
| 725 case pointer_motion_event: | |
| 726 case button_press_event: | |
| 727 case button_release_event: | |
| 728 case misc_user_event: | |
| 729 /* Allow negative values, so we can specify toolbar | |
| 730 positions. */ | |
| 731 CHECK_INT (value); | |
| 732 coord_x = XINT (value); | |
| 733 break; | |
| 734 default: | |
| 735 WRONG_EVENT_TYPE_FOR_PROPERTY (type, keyword); | |
| 736 break; | |
| 737 } | |
| 738 } | |
| 739 else if (EQ (keyword, Qy)) | |
| 740 { | |
| 1204 | 741 switch (EVENT_TYPE (e)) |
| 442 | 742 { |
| 743 case pointer_motion_event: | |
| 744 case button_press_event: | |
| 745 case button_release_event: | |
| 746 case misc_user_event: | |
| 747 /* Allow negative values; see above. */ | |
| 748 CHECK_INT (value); | |
| 749 coord_y = XINT (value); | |
| 750 break; | |
| 751 default: | |
| 752 WRONG_EVENT_TYPE_FOR_PROPERTY (type, keyword); | |
| 753 break; | |
| 754 } | |
| 755 } | |
| 756 else if (EQ (keyword, Qtimestamp)) | |
| 757 { | |
| 758 CHECK_NATNUM (value); | |
| 934 | 759 SET_EVENT_TIMESTAMP (e, XINT (value)); |
| 442 | 760 } |
| 761 else if (EQ (keyword, Qfunction)) | |
| 762 { | |
| 1204 | 763 switch (EVENT_TYPE (e)) |
| 442 | 764 { |
| 765 case misc_user_event: | |
| 1204 | 766 SET_EVENT_MISC_USER_FUNCTION (e, value); |
| 442 | 767 break; |
| 768 default: | |
| 769 WRONG_EVENT_TYPE_FOR_PROPERTY (type, keyword); | |
| 770 break; | |
| 771 } | |
| 772 } | |
| 773 else if (EQ (keyword, Qobject)) | |
| 774 { | |
| 1204 | 775 switch (EVENT_TYPE (e)) |
| 442 | 776 { |
| 777 case misc_user_event: | |
| 1204 | 778 SET_EVENT_MISC_USER_OBJECT (e, value); |
| 442 | 779 break; |
| 780 default: | |
| 781 WRONG_EVENT_TYPE_FOR_PROPERTY (type, keyword); | |
| 782 break; | |
| 783 } | |
| 784 } | |
| 785 else | |
| 563 | 786 invalid_constant_2 ("Invalid property", keyword, value); |
| 442 | 787 } |
| 788 } | |
| 428 | 789 |
| 790 /* Insert the channel, if missing. */ | |
| 791 if (NILP (EVENT_CHANNEL (e))) | |
| 792 { | |
| 934 | 793 if (EVENT_TYPE (e) == key_press_event) |
| 428 | 794 EVENT_CHANNEL (e) = Vselected_console; |
| 795 else | |
| 796 EVENT_CHANNEL (e) = Fselected_frame (Qnil); | |
| 797 } | |
| 798 | |
| 799 /* Fevent_properties, Fevent_x_pixel, etc. work with pixels relative | |
| 800 to the frame, so we must adjust accordingly. */ | |
| 801 if (FRAMEP (EVENT_CHANNEL (e))) | |
| 802 { | |
| 803 coord_x += FRAME_REAL_LEFT_TOOLBAR_WIDTH (XFRAME (EVENT_CHANNEL (e))); | |
| 804 coord_y += FRAME_REAL_TOP_TOOLBAR_HEIGHT (XFRAME (EVENT_CHANNEL (e))); | |
| 805 | |
| 806 switch (e->event_type) | |
| 807 { | |
| 808 case pointer_motion_event: | |
| 1204 | 809 SET_EVENT_MOTION_X (e, coord_x); |
| 810 SET_EVENT_MOTION_Y (e, coord_y); | |
| 428 | 811 break; |
| 812 case button_press_event: | |
| 813 case button_release_event: | |
| 1204 | 814 SET_EVENT_BUTTON_X (e, coord_x); |
| 815 SET_EVENT_BUTTON_Y (e, coord_y); | |
| 428 | 816 break; |
| 817 case misc_user_event: | |
| 1204 | 818 SET_EVENT_MISC_USER_X (e, coord_x); |
| 819 SET_EVENT_MISC_USER_Y (e, coord_y); | |
| 428 | 820 break; |
| 821 default: | |
| 2500 | 822 ABORT (); |
| 428 | 823 } |
| 824 } | |
| 825 | |
| 826 /* Finally, do some more validation. */ | |
| 1204 | 827 switch (EVENT_TYPE (e)) |
| 428 | 828 { |
| 829 case key_press_event: | |
| 1204 | 830 if (UNBOUNDP (EVENT_KEY_KEYSYM (e))) |
| 563 | 831 sferror ("A key must be specified to make a keypress event", |
| 442 | 832 plist); |
| 428 | 833 break; |
| 834 case button_press_event: | |
| 1204 | 835 if (!EVENT_BUTTON_BUTTON (e)) |
| 563 | 836 sferror |
| 442 | 837 ("A button must be specified to make a button-press event", |
| 838 plist); | |
| 428 | 839 break; |
| 840 case button_release_event: | |
| 1204 | 841 if (!EVENT_BUTTON_BUTTON (e)) |
| 563 | 842 sferror |
| 442 | 843 ("A button must be specified to make a button-release event", |
| 844 plist); | |
| 428 | 845 break; |
| 846 case misc_user_event: | |
| 1204 | 847 if (NILP (EVENT_MISC_USER_FUNCTION (e))) |
| 563 | 848 sferror ("A function must be specified to make a misc-user event", |
| 442 | 849 plist); |
| 428 | 850 break; |
| 851 default: | |
| 852 break; | |
| 853 } | |
| 854 | |
| 855 UNGCPRO; | |
| 856 return event; | |
| 857 } | |
| 858 | |
| 859 DEFUN ("deallocate-event", Fdeallocate_event, 1, 1, 0, /* | |
| 860 Allow the given event structure to be reused. | |
| 861 You MUST NOT use this event object after calling this function with it. | |
| 862 You will lose. It is not necessary to call this function, as event | |
| 863 objects are garbage-collected like all other objects; however, it may | |
| 864 be more efficient to explicitly deallocate events when you are sure | |
| 865 that it is safe to do so. | |
| 866 */ | |
| 867 (event)) | |
| 868 { | |
| 869 CHECK_EVENT (event); | |
| 870 | |
| 871 if (XEVENT_TYPE (event) == dead_event) | |
| 563 | 872 invalid_argument ("this event is already deallocated!", Qunbound); |
| 428 | 873 |
| 874 assert (XEVENT_TYPE (event) <= last_event_type); | |
| 875 | |
| 876 #if 0 | |
| 877 { | |
| 878 int i, len; | |
| 879 | |
| 880 if (EQ (event, Vlast_command_event) || | |
| 881 EQ (event, Vlast_input_event) || | |
| 882 EQ (event, Vunread_command_event)) | |
| 2500 | 883 ABORT (); |
| 428 | 884 |
| 885 len = XVECTOR_LENGTH (Vthis_command_keys); | |
| 886 for (i = 0; i < len; i++) | |
| 887 if (EQ (event, XVECTOR_DATA (Vthis_command_keys) [i])) | |
| 2500 | 888 ABORT (); |
| 428 | 889 if (!NILP (Vrecent_keys_ring)) |
| 890 { | |
| 891 int recent_ring_len = XVECTOR_LENGTH (Vrecent_keys_ring); | |
| 892 for (i = 0; i < recent_ring_len; i++) | |
| 893 if (EQ (event, XVECTOR_DATA (Vrecent_keys_ring) [i])) | |
| 2500 | 894 ABORT (); |
| 428 | 895 } |
| 896 } | |
| 897 #endif /* 0 */ | |
| 898 | |
| 899 assert (!EQ (event, Vevent_resource)); | |
| 900 deinitialize_event (event); | |
| 901 #ifndef ALLOC_NO_POOLS | |
| 902 XSET_EVENT_NEXT (event, Vevent_resource); | |
| 903 Vevent_resource = event; | |
| 904 #endif | |
| 905 return Qnil; | |
| 906 } | |
| 907 | |
| 908 DEFUN ("copy-event", Fcopy_event, 1, 2, 0, /* | |
| 444 | 909 Make a copy of the event object EVENT1. |
| 910 If a second event argument EVENT2 is given, EVENT1 is copied into | |
| 911 EVENT2 and EVENT2 is returned. If EVENT2 is not supplied (or is nil) | |
| 912 then a new event will be made as with `make-event'. See also the | |
| 913 function `deallocate-event'. | |
| 428 | 914 */ |
| 915 (event1, event2)) | |
| 916 { | |
| 917 CHECK_LIVE_EVENT (event1); | |
| 918 if (NILP (event2)) | |
| 919 event2 = Fmake_event (Qnil, Qnil); | |
| 430 | 920 else |
| 921 { | |
| 922 CHECK_LIVE_EVENT (event2); | |
| 923 if (EQ (event1, event2)) | |
| 563 | 924 return signal_continuable_error_2 |
| 925 (Qinvalid_argument, | |
| 926 "copy-event called with `eq' events", event1, event2); | |
| 430 | 927 } |
| 428 | 928 |
| 929 assert (XEVENT_TYPE (event1) <= last_event_type); | |
| 930 assert (XEVENT_TYPE (event2) <= last_event_type); | |
| 931 | |
| 934 | 932 XSET_EVENT_TYPE (event2, XEVENT_TYPE (event1)); |
| 933 XSET_EVENT_CHANNEL (event2, XEVENT_CHANNEL (event1)); | |
| 934 XSET_EVENT_TIMESTAMP (event2, XEVENT_TIMESTAMP (event1)); | |
| 1204 | 935 |
| 936 #ifdef EVENT_DATA_AS_OBJECTS | |
| 937 copy_lisp_object (XEVENT_DATA (event2), XEVENT_DATA (event1)); | |
| 938 #else | |
| 939 XEVENT (event2)->event = XEVENT (event1)->event; | |
| 940 #endif | |
| 934 | 941 return event2; |
| 428 | 942 } |
| 943 | |
| 944 | |
| 771 | 945 /************************************************************************/ |
| 946 /* event chain functions */ | |
| 947 /************************************************************************/ | |
| 428 | 948 |
| 949 /* Given a chain of events (or possibly nil), deallocate them all. */ | |
| 950 | |
| 951 void | |
| 952 deallocate_event_chain (Lisp_Object event_chain) | |
| 953 { | |
| 954 while (!NILP (event_chain)) | |
| 955 { | |
| 956 Lisp_Object next = XEVENT_NEXT (event_chain); | |
| 957 Fdeallocate_event (event_chain); | |
| 958 event_chain = next; | |
| 959 } | |
| 960 } | |
| 961 | |
| 962 /* Return the last event in a chain. | |
| 963 NOTE: You cannot pass nil as a value here! The routine will | |
| 964 abort if you do. */ | |
| 965 | |
| 966 Lisp_Object | |
| 967 event_chain_tail (Lisp_Object event_chain) | |
| 968 { | |
| 969 while (1) | |
| 970 { | |
| 971 Lisp_Object next = XEVENT_NEXT (event_chain); | |
| 972 if (NILP (next)) | |
| 973 return event_chain; | |
| 974 event_chain = next; | |
| 975 } | |
| 976 } | |
| 977 | |
| 978 /* Enqueue a single event onto the end of a chain of events. | |
| 979 HEAD points to the first event in the chain, TAIL to the last event. | |
| 980 If the chain is empty, both values should be nil. */ | |
| 981 | |
| 982 void | |
| 983 enqueue_event (Lisp_Object event, Lisp_Object *head, Lisp_Object *tail) | |
| 984 { | |
| 985 assert (NILP (XEVENT_NEXT (event))); | |
| 986 assert (!EQ (*tail, event)); | |
| 987 | |
| 988 if (!NILP (*tail)) | |
| 989 XSET_EVENT_NEXT (*tail, event); | |
| 990 else | |
| 991 *head = event; | |
| 992 *tail = event; | |
| 993 | |
| 994 assert (!EQ (event, XEVENT_NEXT (event))); | |
| 995 } | |
| 996 | |
| 997 /* Remove an event off the head of a chain of events and return it. | |
| 998 HEAD points to the first event in the chain, TAIL to the last event. */ | |
| 999 | |
| 1000 Lisp_Object | |
| 1001 dequeue_event (Lisp_Object *head, Lisp_Object *tail) | |
| 1002 { | |
| 1003 Lisp_Object event; | |
| 1004 | |
| 1005 event = *head; | |
| 1006 *head = XEVENT_NEXT (event); | |
| 1007 XSET_EVENT_NEXT (event, Qnil); | |
| 1008 if (NILP (*head)) | |
| 1009 *tail = Qnil; | |
| 1010 return event; | |
| 1011 } | |
| 1012 | |
| 1013 /* Enqueue a chain of events (or possibly nil) onto the end of another | |
| 1014 chain of events. HEAD points to the first event in the chain being | |
| 1015 queued onto, TAIL to the last event. If the chain is empty, both values | |
| 1016 should be nil. */ | |
| 1017 | |
| 1018 void | |
| 1019 enqueue_event_chain (Lisp_Object event_chain, Lisp_Object *head, | |
| 1020 Lisp_Object *tail) | |
| 1021 { | |
| 1022 if (NILP (event_chain)) | |
| 1023 return; | |
| 1024 | |
| 1025 if (NILP (*head)) | |
| 1026 { | |
| 1027 *head = event_chain; | |
| 1028 *tail = event_chain; | |
| 1029 } | |
| 1030 else | |
| 1031 { | |
| 1032 XSET_EVENT_NEXT (*tail, event_chain); | |
| 1033 *tail = event_chain_tail (event_chain); | |
| 1034 } | |
| 1035 } | |
| 1036 | |
| 1204 | 1037 /* Map a function over each event in the chain. If the function returns |
| 1038 non-zero, remove the event just processed. Return the total number of | |
| 1039 items removed. | |
| 1040 | |
| 1041 NOTE: | |
| 1042 | |
| 1043 If you want a simple mapping over an event chain, with no intention to | |
| 1044 add or remove items, just use EVENT_CHAIN_LOOP(). | |
| 1045 */ | |
| 1046 | |
| 1047 int | |
| 1048 map_event_chain_remove (int (*fn) (Lisp_Object ev, void *user_data), | |
| 1049 Lisp_Object *head, Lisp_Object *tail, | |
| 1050 void *user_data, int flags) | |
| 1051 { | |
| 1052 Lisp_Object event; | |
| 1053 Lisp_Object previous_event = Qnil; | |
| 1054 int count = 0; | |
| 1055 | |
| 1056 EVENT_CHAIN_LOOP (event, *head) | |
| 1057 { | |
| 1058 if (fn (event, user_data)) | |
| 1059 { | |
| 1060 if (NILP (previous_event)) | |
| 1061 dequeue_event (head, tail); | |
| 1062 else | |
| 1063 { | |
| 1064 XSET_EVENT_NEXT (previous_event, XEVENT_NEXT (event)); | |
| 1065 if (EQ (*tail, event)) | |
| 1066 *tail = previous_event; | |
| 1067 } | |
| 1068 | |
| 1069 if (flags & MECR_DEALLOCATE_EVENT) | |
| 1070 Fdeallocate_event (event); | |
| 1071 count++; | |
| 1072 } | |
| 1073 else | |
| 1074 previous_event = event; | |
| 1075 } | |
| 1076 return count; | |
| 1077 } | |
| 1078 | |
| 428 | 1079 /* Return the number of events (possibly 0) on an event chain. */ |
| 1080 | |
| 1081 int | |
| 1082 event_chain_count (Lisp_Object event_chain) | |
| 1083 { | |
| 1084 Lisp_Object event; | |
| 1085 int n = 0; | |
| 1086 | |
| 1087 EVENT_CHAIN_LOOP (event, event_chain) | |
| 1088 n++; | |
| 1089 | |
| 1090 return n; | |
| 1091 } | |
| 1092 | |
| 1093 /* Find the event before EVENT in an event chain. This aborts | |
| 1094 if the event is not in the chain. */ | |
| 1095 | |
| 1096 Lisp_Object | |
| 1097 event_chain_find_previous (Lisp_Object event_chain, Lisp_Object event) | |
| 1098 { | |
| 1099 Lisp_Object previous = Qnil; | |
| 1100 | |
| 1101 while (!NILP (event_chain)) | |
| 1102 { | |
| 1103 if (EQ (event_chain, event)) | |
| 1104 return previous; | |
| 1105 previous = event_chain; | |
| 1106 event_chain = XEVENT_NEXT (event_chain); | |
| 1107 } | |
| 1108 | |
| 2500 | 1109 ABORT (); |
| 428 | 1110 return Qnil; |
| 1111 } | |
| 1112 | |
| 1113 Lisp_Object | |
| 1114 event_chain_nth (Lisp_Object event_chain, int n) | |
| 1115 { | |
| 1116 Lisp_Object event; | |
| 1117 EVENT_CHAIN_LOOP (event, event_chain) | |
| 1118 { | |
| 1119 if (!n) | |
| 1120 return event; | |
| 1121 n--; | |
| 1122 } | |
| 1123 return Qnil; | |
| 1124 } | |
| 1125 | |
| 771 | 1126 /* Return a freshly allocated copy of all events in the given chain. */ |
| 1127 | |
| 428 | 1128 Lisp_Object |
| 1129 copy_event_chain (Lisp_Object event_chain) | |
| 1130 { | |
| 1131 Lisp_Object new_chain = Qnil; | |
| 1132 Lisp_Object new_chain_tail = Qnil; | |
| 1133 Lisp_Object event; | |
| 1134 | |
| 1135 EVENT_CHAIN_LOOP (event, event_chain) | |
| 1136 { | |
| 1137 Lisp_Object copy = Fcopy_event (event, Qnil); | |
| 1138 enqueue_event (copy, &new_chain, &new_chain_tail); | |
| 1139 } | |
| 1140 | |
| 1141 return new_chain; | |
| 1142 } | |
| 1143 | |
| 771 | 1144 /* Given a pointer (maybe nil) into an old chain (also maybe nil, if |
| 1145 pointer is nil) and a new chain which is a copy of the old, return | |
| 1146 the corresponding new pointer. */ | |
| 1147 Lisp_Object | |
| 1148 transfer_event_chain_pointer (Lisp_Object pointer, Lisp_Object old_chain, | |
| 1149 Lisp_Object new_chain) | |
| 1150 { | |
| 1151 if (NILP (pointer)) | |
| 1152 return Qnil; | |
| 1153 assert (!NILP (old_chain)); | |
| 800 | 1154 #ifdef ERROR_CHECK_STRUCTURES |
| 771 | 1155 /* make sure we're actually in the chain */ |
| 1156 event_chain_find_previous (old_chain, pointer); | |
| 1157 assert (event_chain_count (old_chain) == event_chain_count (new_chain)); | |
| 800 | 1158 #endif /* ERROR_CHECK_STRUCTURES */ |
| 771 | 1159 return event_chain_nth (new_chain, |
| 1160 event_chain_count (old_chain) - | |
| 1161 event_chain_count (pointer)); | |
| 1162 } | |
| 1163 | |
| 428 | 1164 |
| 771 | 1165 /************************************************************************/ |
| 1166 /* higher level functions */ | |
| 1167 /************************************************************************/ | |
| 428 | 1168 |
| 1169 Lisp_Object QKbackspace, QKtab, QKlinefeed, QKreturn, QKescape, | |
| 1170 QKspace, QKdelete; | |
| 1171 | |
| 1172 int | |
| 1173 command_event_p (Lisp_Object event) | |
| 1174 { | |
| 1175 switch (XEVENT_TYPE (event)) | |
| 1176 { | |
| 1177 case key_press_event: | |
| 1178 case button_press_event: | |
| 1179 case button_release_event: | |
| 1180 case misc_user_event: | |
| 1181 return 1; | |
| 1182 default: | |
| 1183 return 0; | |
| 1184 } | |
| 1185 } | |
| 1186 | |
|
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1187 /* META_BEHAVIOR can be one of the following values, defined in events.h: |
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1188 |
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1189 high_bit_is_meta |
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1190 use_console_meta_flag |
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1191 latin_1_maps_to_itself |
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1192 |
| 1204 | 1193 DO_BACKSPACE_MAPPING means that if CON is a TTY, and C is a the TTY's |
| 1194 backspace character, the event will have keysym `backspace' instead of | |
| 1195 '(control h). It is clearly correct to do this conversion is the | |
| 1196 character was just read from a TTY, clearly incorrect inside of | |
| 1197 define-key, which must be able to handle all consoles. #### What about | |
| 1198 in other circumstances? #### Should the user have access to this flag? | |
| 1199 | |
| 1200 #### We need to go through and review all the flags in | |
| 1201 character_to_event() and event_to_character() and figure out exactly | |
| 1202 under what circumstances they should or should not be set, then go | |
| 1203 through and review all callers of character_to_event(), | |
| 1204 Fcharacter_to_event(), event_to_character(), and Fevent_to_character() | |
| 1205 and check that they are passing the correct flags in for their varied | |
| 1206 circumstances. | |
| 1207 | |
| 1208 #### Some of this garbage, and some of the flags, could go away if we | |
| 1209 implemented the suggestion, originally from event-Xt.c: | |
| 1210 | |
| 2828 | 1211 [[ The way that keysym correspondence to characters should work: |
| 1204 | 1212 - a Lisp_Event should contain a keysym AND a character slot. |
| 1213 - keybindings are tried with the keysym. If no binding can be found, | |
| 2828 | 1214 and there is a corresponding character, call self-insert-command. ]] |
| 1215 | |
| 1216 That's an X-specific way of thinking. All the other platforms--even | |
| 1217 the TTY, make sure you've done (set-input-mode t nil 1) and set your | |
| 1218 console coding system appropriately when checking--just use | |
| 1219 characters as emacs keysyms, and, together with defaulting to | |
| 1220 self-insert-command if an unbound key with a character correspondence | |
| 1221 is typed, that works fine for them. (Yes, this ignores GTK.) | |
| 1222 | |
| 1223 [[ [... snipping other suggestions which I've implemented.] | |
| 1224 Nuke the Qascii_character property. ]] | |
| 1204 | 1225 |
| 2828 | 1226 Well, we've renamed it anyway--it was badly named. |
| 1227 Qcharacter_of_keysym, here we go. It's really only with X11 that how | |
| 1228 to map between adiaeresis and (int-to-char #xE4), or ellipsis and | |
| 1229 whatever, becomes an issue, and IMO the property approach to this is | |
| 1230 fine. Aidan Kehoe, 2005-05-15. | |
| 1204 | 1231 |
| 2828 | 1232 [[ This would apparently solve a lot of different problems. ]] |
| 1233 | |
| 1234 I'd be interested to know what's left. Removing the allow-meta | |
| 1235 argument from event-to-character would be a Good Thing, IMO, but | |
| 1236 beyond that, I'm not sure what else there is to do wrt. key | |
| 1237 mappings. Of course, feedback from users of the Russian C-x facility | |
| 1238 is still needed. */ | |
| 428 | 1239 |
| 1240 void | |
| 867 | 1241 character_to_event (Ichar c, Lisp_Event *event, struct console *con, |
|
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1242 character_to_event_meta_behavior meta_behavior, |
| 2340 | 1243 int USED_IF_TTY (do_backspace_mapping)) |
| 428 | 1244 { |
| 1245 Lisp_Object k = Qnil; | |
| 442 | 1246 int m = 0; |
| 934 | 1247 if (EVENT_TYPE (event) == dead_event) |
| 563 | 1248 invalid_argument ("character-to-event called with a deallocated event!", Qunbound); |
| 428 | 1249 |
| 1250 #ifndef MULE | |
| 1251 c &= 255; | |
| 1252 #endif | |
|
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1253 if (meta_behavior != latin_1_maps_to_itself && c > 127 && c <= 255) |
| 428 | 1254 { |
| 1255 int meta_flag = 1; | |
|
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1256 if (meta_behavior == use_console_meta_flag && CONSOLE_TTY_P (con)) |
| 428 | 1257 meta_flag = TTY_FLAGS (con).meta_key; |
| 1258 switch (meta_flag) | |
| 1259 { | |
| 1260 case 0: /* ignore top bit; it's parity */ | |
| 1261 c -= 128; | |
| 1262 break; | |
| 1263 case 1: /* top bit is meta */ | |
| 1264 c -= 128; | |
| 442 | 1265 m = XEMACS_MOD_META; |
| 428 | 1266 break; |
| 1267 default: /* this is a real character */ | |
| 1268 break; | |
| 1269 } | |
| 1270 } | |
| 442 | 1271 if (c < ' ') c += '@', m |= XEMACS_MOD_CONTROL; |
| 1272 if (m & XEMACS_MOD_CONTROL) | |
| 428 | 1273 { |
| 1274 switch (c) | |
| 1275 { | |
| 442 | 1276 case 'I': k = QKtab; m &= ~XEMACS_MOD_CONTROL; break; |
| 1277 case 'J': k = QKlinefeed; m &= ~XEMACS_MOD_CONTROL; break; | |
| 1278 case 'M': k = QKreturn; m &= ~XEMACS_MOD_CONTROL; break; | |
| 1279 case '[': k = QKescape; m &= ~XEMACS_MOD_CONTROL; break; | |
| 428 | 1280 default: |
| 1204 | 1281 #if defined (HAVE_TTY) |
| 428 | 1282 if (do_backspace_mapping && |
| 1283 CHARP (con->tty_erase_char) && | |
| 1284 c - '@' == XCHAR (con->tty_erase_char)) | |
| 1285 { | |
| 1286 k = QKbackspace; | |
| 442 | 1287 m &= ~XEMACS_MOD_CONTROL; |
| 428 | 1288 } |
| 1204 | 1289 #endif /* defined (HAVE_TTY) */ |
| 428 | 1290 break; |
| 1291 } | |
| 1292 if (c >= 'A' && c <= 'Z') c -= 'A'-'a'; | |
| 1293 } | |
| 1204 | 1294 #if defined (HAVE_TTY) |
| 428 | 1295 else if (do_backspace_mapping && |
| 1296 CHARP (con->tty_erase_char) && c == XCHAR (con->tty_erase_char)) | |
| 1297 k = QKbackspace; | |
| 1204 | 1298 #endif /* defined (HAVE_TTY) */ |
| 428 | 1299 else if (c == 127) |
| 1300 k = QKdelete; | |
| 1301 else if (c == ' ') | |
| 1302 k = QKspace; | |
| 1303 | |
| 934 | 1304 set_event_type (event, key_press_event); |
| 1305 SET_EVENT_TIMESTAMP_ZERO (event); /* #### */ | |
| 1306 SET_EVENT_CHANNEL (event, wrap_console (con)); | |
| 1204 | 1307 SET_EVENT_KEY_KEYSYM (event, (!NILP (k) ? k : make_char (c))); |
| 1308 SET_EVENT_KEY_MODIFIERS (event, m); | |
| 428 | 1309 } |
| 1310 | |
| 867 | 1311 Ichar |
| 1204 | 1312 event_to_character (Lisp_Object event, |
| 428 | 1313 int allow_extra_modifiers, |
| 2828 | 1314 int allow_meta) |
| 428 | 1315 { |
| 867 | 1316 Ichar c = 0; |
| 428 | 1317 Lisp_Object code; |
| 1318 | |
| 1204 | 1319 if (XEVENT_TYPE (event) != key_press_event) |
| 428 | 1320 { |
| 1204 | 1321 assert (XEVENT_TYPE (event) != dead_event); |
| 428 | 1322 return -1; |
| 1323 } | |
| 1324 if (!allow_extra_modifiers && | |
| 2828 | 1325 XEVENT_KEY_MODIFIERS (event) & |
| 1326 (XEMACS_MOD_SUPER|XEMACS_MOD_HYPER|XEMACS_MOD_ALT)) | |
| 428 | 1327 return -1; |
| 1204 | 1328 if (CHAR_OR_CHAR_INTP (XEVENT_KEY_KEYSYM (event))) |
| 1329 c = XCHAR_OR_CHAR_INT (XEVENT_KEY_KEYSYM (event)); | |
| 1330 else if (!SYMBOLP (XEVENT_KEY_KEYSYM (event))) | |
| 2500 | 1331 ABORT (); |
| 1204 | 1332 else if (CHAR_OR_CHAR_INTP (code = Fget (XEVENT_KEY_KEYSYM (event), |
| 2828 | 1333 Qcharacter_of_keysym, Qnil))) |
| 428 | 1334 c = XCHAR_OR_CHAR_INT (code); |
| 1335 else | |
| 2828 | 1336 { |
| 1337 Lisp_Object thekeysym = XEVENT_KEY_KEYSYM (event); | |
| 1338 | |
| 1339 if (CHAR_OR_CHAR_INTP (code = Fget (thekeysym, Qascii_character, Qnil))) | |
| 1340 { | |
| 1341 c = XCHAR_OR_CHAR_INT (code); | |
| 1342 warn_when_safe(Qkey_mapping, Qwarning, | |
| 1343 "Obsolete key binding technique.\n" | |
| 428 | 1344 |
| 2828 | 1345 "Some code you're using bound %s to `self-insert-command' and messed around\n" |
| 1346 "with its `ascii-character' property. Doing this is deprecated, and the code\n" | |
| 1347 "should be updated to use the `set-character-of-keysym' interface.\n" | |
| 1348 "If you're the one updating the code, first check if there's still a need\n" | |
| 1349 "for it; we support many more X11 keysyms out of the box now than we did\n" | |
| 1350 "in the past. ", XSTRING_DATA(XSYMBOL_NAME(thekeysym))); | |
| 1351 /* Only show the warning once for each keysym. */ | |
| 1352 Fput(thekeysym, Qcharacter_of_keysym, code); | |
| 1353 } | |
| 1354 else | |
| 1355 { | |
| 1356 return -1; | |
| 1357 } | |
| 1358 } | |
| 1204 | 1359 if (XEVENT_KEY_MODIFIERS (event) & XEMACS_MOD_CONTROL) |
| 428 | 1360 { |
| 1361 if (c >= 'a' && c <= 'z') | |
| 1362 c -= ('a' - 'A'); | |
| 1363 else | |
| 1364 /* reject Control-Shift- keys */ | |
| 1365 if (c >= 'A' && c <= 'Z' && !allow_extra_modifiers) | |
| 1366 return -1; | |
| 1367 | |
| 1368 if (c >= '@' && c <= '_') | |
| 1369 c -= '@'; | |
| 1370 else if (c == ' ') /* C-space and C-@ are the same. */ | |
| 1371 c = 0; | |
| 1372 else | |
| 1373 /* reject keys that can't take Control- modifiers */ | |
| 1374 if (! allow_extra_modifiers) return -1; | |
| 1375 } | |
| 1376 | |
| 1204 | 1377 if (XEVENT_KEY_MODIFIERS (event) & XEMACS_MOD_META) |
| 428 | 1378 { |
| 1379 if (! allow_meta) return -1; | |
| 1204 | 1380 if (c >= 128) return -1; /* don't allow M-oslash (overlap) */ |
| 428 | 1381 c |= 0200; |
| 1382 } | |
| 1383 return c; | |
| 1384 } | |
| 1385 | |
| 2862 | 1386 DEFUN ("event-to-character", Fevent_to_character, 1, 4, 0, /* |
| 2828 | 1387 Return the closest character approximation to the given event object. |
| 428 | 1388 If the event isn't a keypress, this returns nil. |
| 1389 If the ALLOW-EXTRA-MODIFIERS argument is non-nil, then this is lenient in | |
| 1390 its translation; it will ignore modifier keys other than control and meta, | |
| 1391 and will ignore the shift modifier on those characters which have no | |
| 1392 shifted ASCII equivalent (Control-Shift-A for example, will be mapped to | |
| 1393 the same ASCII code as Control-A). | |
| 1394 If the ALLOW-META argument is non-nil, then the Meta modifier will be | |
| 1395 represented by turning on the high bit of the byte returned; otherwise, nil | |
| 1396 will be returned for events containing the Meta modifier. | |
| 1204 | 1397 Note that ALLOW-META may cause ambiguity between meta characters and |
| 1398 Latin-1 characters. | |
| 2862 | 1399 ALLOW-NON-ASCII is unused, and retained for compatibility. |
| 428 | 1400 */ |
| 2862 | 1401 (event, allow_extra_modifiers, allow_meta, UNUSED(allow_non_ascii))) |
| 428 | 1402 { |
| 867 | 1403 Ichar c; |
| 428 | 1404 CHECK_LIVE_EVENT (event); |
| 1204 | 1405 c = event_to_character (event, |
| 428 | 1406 !NILP (allow_extra_modifiers), |
| 2828 | 1407 !NILP (allow_meta)); |
| 428 | 1408 return c < 0 ? Qnil : make_char (c); |
| 1409 } | |
| 1410 | |
| 1411 DEFUN ("character-to-event", Fcharacter_to_event, 1, 4, 0, /* | |
| 444 | 1412 Convert KEY-DESCRIPTION into an event structure, replete with bucky bits. |
| 428 | 1413 |
| 444 | 1414 KEY-DESCRIPTION is the first argument, and the event to fill in is the |
| 1415 second. This function contains knowledge about what various kinds of | |
| 1416 arguments ``mean'' -- for example, the number 9 is converted to the | |
| 1417 character ``Tab'', not the distinct character ``Control-I''. | |
| 428 | 1418 |
| 3025 | 1419 KEY-DESCRIPTION can be an integer, a character, a symbol such as `clear', |
| 444 | 1420 or a list such as '(control backspace). |
| 1421 | |
| 1422 If the optional second argument EVENT is an event, it is modified and | |
| 1423 returned; otherwise, a new event object is created and returned. | |
| 428 | 1424 |
| 1425 Optional third arg CONSOLE is the console to store in the event, and | |
| 1426 defaults to the selected console. | |
| 1427 | |
| 444 | 1428 If KEY-DESCRIPTION is an integer or character, the high bit may be |
| 1204 | 1429 interpreted as the meta key. (This is done for backward compatibility in |
| 1430 lots of places -- specifically, because lots of Lisp code uses specs like | |
| 1431 ?\M-d and "\M-d" in key code, expecting this to work; yet these are in | |
| 1432 reality converted directly to 8-bit characters by the Lisp reader.) If | |
| 1433 USE-CONSOLE-META-FLAG is nil or CONSOLE is not a TTY, this will always be | |
| 1434 the case. If USE-CONSOLE-META-FLAG is non-nil and CONSOLE is a TTY, the | |
| 1435 `meta' flag for CONSOLE affects whether the high bit is interpreted as a | |
| 1436 meta key. (See `set-input-mode'.) Don't set this flag to non-nil unless | |
| 1437 you know what you're doing (more specifically, only if the character came | |
| 1438 directly from a TTY, not from the user). If you don't want this silly meta | |
| 1439 interpretation done, you should pass in a list containing the character. | |
| 428 | 1440 |
| 1441 Beware that character-to-event and event-to-character are not strictly | |
| 1442 inverse functions, since events contain much more information than the | |
| 444 | 1443 Lisp character object type can encode. |
| 428 | 1444 */ |
|
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1445 (keystroke, event, console, use_console_meta_flag_)) |
| 428 | 1446 { |
| 1447 struct console *con = decode_console (console); | |
| 1448 if (NILP (event)) | |
| 1449 event = Fmake_event (Qnil, Qnil); | |
| 1450 else | |
| 1451 CHECK_LIVE_EVENT (event); | |
| 444 | 1452 if (CONSP (keystroke) || SYMBOLP (keystroke)) |
| 1453 key_desc_list_to_event (keystroke, event, 1); | |
| 428 | 1454 else |
| 1455 { | |
| 444 | 1456 CHECK_CHAR_COERCE_INT (keystroke); |
| 1457 character_to_event (XCHAR (keystroke), XEVENT (event), con, | |
|
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1458 (NILP (use_console_meta_flag_) ? |
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1459 high_bit_is_meta : use_console_meta_flag), 1); |
| 428 | 1460 } |
| 1461 return event; | |
| 1462 } | |
| 1463 | |
| 1464 void | |
| 1465 nth_of_key_sequence_as_event (Lisp_Object seq, int n, Lisp_Object event) | |
| 1466 { | |
| 1467 assert (STRINGP (seq) || VECTORP (seq)); | |
| 1468 assert (n < XINT (Flength (seq))); | |
| 1469 | |
| 1470 if (STRINGP (seq)) | |
| 1471 { | |
| 867 | 1472 Ichar ch = string_ichar (seq, n); |
| 428 | 1473 Fcharacter_to_event (make_char (ch), event, Qnil, Qnil); |
| 1474 } | |
| 1475 else | |
| 1476 { | |
| 1477 Lisp_Object keystroke = XVECTOR_DATA (seq)[n]; | |
| 1478 if (EVENTP (keystroke)) | |
| 1479 Fcopy_event (keystroke, event); | |
| 1480 else | |
| 1481 Fcharacter_to_event (keystroke, event, Qnil, Qnil); | |
| 1482 } | |
| 1483 } | |
| 1484 | |
| 1485 Lisp_Object | |
| 1486 key_sequence_to_event_chain (Lisp_Object seq) | |
| 1487 { | |
| 1488 int len = XINT (Flength (seq)); | |
| 1489 int i; | |
| 1490 Lisp_Object head = Qnil, tail = Qnil; | |
| 1491 | |
| 1492 for (i = 0; i < len; i++) | |
| 1493 { | |
| 1494 Lisp_Object event = Fmake_event (Qnil, Qnil); | |
| 1495 nth_of_key_sequence_as_event (seq, i, event); | |
| 1496 enqueue_event (event, &head, &tail); | |
| 1497 } | |
| 1498 | |
| 1499 return head; | |
| 1500 } | |
| 1501 | |
| 934 | 1502 |
| 793 | 1503 /* Concatenate a string description of EVENT onto the end of BUF. If |
| 1504 BRIEF, use short forms for keys, e.g. C- instead of control-. */ | |
| 1505 | |
| 934 | 1506 void |
| 1507 format_event_object (Eistring *buf, Lisp_Object event, int brief) | |
| 428 | 1508 { |
| 1509 int mouse_p = 0; | |
| 1510 int mod = 0; | |
| 1511 Lisp_Object key; | |
| 1512 | |
| 1204 | 1513 switch (XEVENT_TYPE (event)) |
| 428 | 1514 { |
| 1515 case key_press_event: | |
| 1516 { | |
| 1204 | 1517 mod = XEVENT_KEY_MODIFIERS (event); |
| 1518 key = XEVENT_KEY_KEYSYM (event); | |
| 428 | 1519 /* Hack. */ |
| 1520 if (! brief && CHARP (key) && | |
| 793 | 1521 mod & (XEMACS_MOD_CONTROL | XEMACS_MOD_META | XEMACS_MOD_SUPER | |
| 1522 XEMACS_MOD_HYPER)) | |
| 428 | 1523 { |
| 1524 int k = XCHAR (key); | |
| 1525 if (k >= 'a' && k <= 'z') | |
| 1526 key = make_char (k - ('a' - 'A')); | |
| 1527 else if (k >= 'A' && k <= 'Z') | |
| 442 | 1528 mod |= XEMACS_MOD_SHIFT; |
| 428 | 1529 } |
| 1530 break; | |
| 1531 } | |
| 1532 case button_release_event: | |
| 1533 mouse_p++; | |
| 1534 /* Fall through */ | |
| 1535 case button_press_event: | |
| 1536 { | |
| 1537 mouse_p++; | |
| 1204 | 1538 mod = XEVENT_BUTTON_MODIFIERS (event); |
| 1539 key = make_char (XEVENT_BUTTON_BUTTON (event) + '0'); | |
| 428 | 1540 break; |
| 1541 } | |
| 1542 case magic_event: | |
| 1543 { | |
| 788 | 1544 Lisp_Object stream; |
| 1545 struct gcpro gcpro1; | |
| 1546 GCPRO1 (stream); | |
| 428 | 1547 |
| 788 | 1548 stream = make_resizing_buffer_output_stream (); |
| 1204 | 1549 event_stream_format_magic_event (XEVENT (event), stream); |
| 788 | 1550 Lstream_flush (XLSTREAM (stream)); |
| 793 | 1551 eicat_raw (buf, resizing_buffer_stream_ptr (XLSTREAM (stream)), |
| 1552 Lstream_byte_count (XLSTREAM (stream))); | |
| 788 | 1553 Lstream_delete (XLSTREAM (stream)); |
| 1554 UNGCPRO; | |
| 428 | 1555 return; |
| 1556 } | |
| 2421 | 1557 case magic_eval_event: eicat_ascii (buf, "magic-eval"); return; |
| 1558 case pointer_motion_event: eicat_ascii (buf, "motion"); return; | |
| 1559 case misc_user_event: eicat_ascii (buf, "misc-user"); return; | |
| 1560 case eval_event: eicat_ascii (buf, "eval"); return; | |
| 1561 case process_event: eicat_ascii (buf, "process"); return; | |
| 1562 case timeout_event: eicat_ascii (buf, "timeout"); return; | |
| 1563 case empty_event: eicat_ascii (buf, "empty"); return; | |
| 1564 case dead_event: eicat_ascii (buf, "DEAD-EVENT"); return; | |
| 428 | 1565 default: |
| 2500 | 1566 ABORT (); |
| 442 | 1567 return; |
| 428 | 1568 } |
| 793 | 1569 #define modprint(x,y) \ |
| 2421 | 1570 do { if (brief) eicat_ascii (buf, (y)); else eicat_ascii (buf, (x)); } while (0) |
| 442 | 1571 if (mod & XEMACS_MOD_CONTROL) modprint ("control-", "C-"); |
| 1572 if (mod & XEMACS_MOD_META) modprint ("meta-", "M-"); | |
| 1573 if (mod & XEMACS_MOD_SUPER) modprint ("super-", "S-"); | |
| 1574 if (mod & XEMACS_MOD_HYPER) modprint ("hyper-", "H-"); | |
| 1575 if (mod & XEMACS_MOD_ALT) modprint ("alt-", "A-"); | |
| 1576 if (mod & XEMACS_MOD_SHIFT) modprint ("shift-", "Sh-"); | |
| 428 | 1577 if (mouse_p) |
| 1578 { | |
| 2421 | 1579 eicat_ascii (buf, "button"); |
| 428 | 1580 --mouse_p; |
| 1581 } | |
| 1582 | |
| 1583 #undef modprint | |
| 1584 | |
| 1585 if (CHARP (key)) | |
| 793 | 1586 eicat_ch (buf, XCHAR (key)); |
| 428 | 1587 else if (SYMBOLP (key)) |
| 1588 { | |
| 2367 | 1589 const Ascbyte *str = 0; |
| 428 | 1590 if (brief) |
| 1591 { | |
| 1592 if (EQ (key, QKlinefeed)) str = "LFD"; | |
| 1593 else if (EQ (key, QKtab)) str = "TAB"; | |
| 1594 else if (EQ (key, QKreturn)) str = "RET"; | |
| 1595 else if (EQ (key, QKescape)) str = "ESC"; | |
| 1596 else if (EQ (key, QKdelete)) str = "DEL"; | |
| 1597 else if (EQ (key, QKspace)) str = "SPC"; | |
| 1598 else if (EQ (key, QKbackspace)) str = "BS"; | |
| 1599 } | |
| 1600 if (str) | |
| 2421 | 1601 eicat_ascii (buf, str); |
| 428 | 1602 else |
| 793 | 1603 eicat_lstr (buf, XSYMBOL (key)->name); |
| 428 | 1604 } |
| 1605 else | |
| 2500 | 1606 ABORT (); |
| 428 | 1607 if (mouse_p) |
| 2421 | 1608 eicat_ascii (buf, "up"); |
| 428 | 1609 } |
| 1610 | |
| 1204 | 1611 void |
| 1612 upshift_event (Lisp_Object event) | |
| 1613 { | |
| 1614 Lisp_Object keysym = XEVENT_KEY_KEYSYM (event); | |
| 1615 Ichar c = 0; | |
| 1616 | |
| 1617 if (CHAR_OR_CHAR_INTP (keysym) | |
| 1618 && ((c = XCHAR_OR_CHAR_INT (keysym)), | |
| 1619 c >= 'a' && c <= 'z')) | |
| 1620 XSET_EVENT_KEY_KEYSYM (event, make_char (c + 'A' - 'a')); | |
| 1621 else | |
| 1622 if (!(XEVENT_KEY_MODIFIERS (event) & XEMACS_MOD_SHIFT)) | |
| 1623 XSET_EVENT_KEY_MODIFIERS | |
| 1624 (event, XEVENT_KEY_MODIFIERS (event) |= XEMACS_MOD_SHIFT); | |
| 1625 } | |
| 1626 | |
| 1627 void | |
| 1628 downshift_event (Lisp_Object event) | |
| 1629 { | |
| 1630 Lisp_Object keysym = XEVENT_KEY_KEYSYM (event); | |
| 1631 Ichar c = 0; | |
| 1632 | |
| 1633 if (XEVENT_KEY_MODIFIERS (event) & XEMACS_MOD_SHIFT) | |
| 1634 XSET_EVENT_KEY_MODIFIERS | |
| 1635 (event, XEVENT_KEY_MODIFIERS (event) & ~XEMACS_MOD_SHIFT); | |
| 1636 else if (CHAR_OR_CHAR_INTP (keysym) | |
| 1637 && ((c = XCHAR_OR_CHAR_INT (keysym)), | |
| 1638 c >= 'A' && c <= 'Z')) | |
| 1639 XSET_EVENT_KEY_KEYSYM (event, make_char (c + 'a' - 'A')); | |
| 1640 } | |
| 1641 | |
| 1642 int | |
| 1643 event_upshifted_p (Lisp_Object event) | |
| 1644 { | |
| 1645 Lisp_Object keysym = XEVENT_KEY_KEYSYM (event); | |
| 1646 Ichar c = 0; | |
| 1647 | |
| 1648 if ((XEVENT_KEY_MODIFIERS (event) & XEMACS_MOD_SHIFT) | |
| 1649 || (CHAR_OR_CHAR_INTP (keysym) | |
| 1650 && ((c = XCHAR_OR_CHAR_INT (keysym)), | |
| 1651 c >= 'A' && c <= 'Z'))) | |
| 1652 return 1; | |
| 1653 else | |
| 1654 return 0; | |
| 1655 } | |
| 934 | 1656 |
| 428 | 1657 DEFUN ("eventp", Feventp, 1, 1, 0, /* |
| 1658 True if OBJECT is an event object. | |
| 1659 */ | |
| 1660 (object)) | |
| 1661 { | |
| 1662 return EVENTP (object) ? Qt : Qnil; | |
| 1663 } | |
| 1664 | |
| 1665 DEFUN ("event-live-p", Fevent_live_p, 1, 1, 0, /* | |
| 1666 True if OBJECT is an event object that has not been deallocated. | |
| 1667 */ | |
| 1668 (object)) | |
| 1669 { | |
| 934 | 1670 return EVENTP (object) && XEVENT_TYPE (object) != dead_event ? |
| 1671 Qt : Qnil; | |
| 428 | 1672 } |
| 1673 | |
| 1674 #if 0 /* debugging functions */ | |
| 1675 | |
| 826 | 1676 DEFUN ("event-next", Fevent_next, 1, 1, 0, /* |
| 428 | 1677 Return the event object's `next' event, or nil if it has none. |
| 1678 The `next-event' field is changed by calling `set-next-event'. | |
| 1679 */ | |
| 1680 (event)) | |
| 1681 { | |
| 440 | 1682 Lisp_Event *e; |
| 428 | 1683 CHECK_LIVE_EVENT (event); |
| 1684 | |
| 1685 return XEVENT_NEXT (event); | |
| 1686 } | |
| 1687 | |
| 826 | 1688 DEFUN ("set-event-next", Fset_event_next, 2, 2, 0, /* |
| 428 | 1689 Set the `next event' of EVENT to NEXT-EVENT. |
| 1690 NEXT-EVENT must be an event object or nil. | |
| 1691 */ | |
| 1692 (event, next_event)) | |
| 1693 { | |
| 1694 Lisp_Object ev; | |
| 1695 | |
| 1696 CHECK_LIVE_EVENT (event); | |
| 1697 if (NILP (next_event)) | |
| 1698 { | |
| 1699 XSET_EVENT_NEXT (event, Qnil); | |
| 1700 return Qnil; | |
| 1701 } | |
| 1702 | |
| 1703 CHECK_LIVE_EVENT (next_event); | |
| 1704 | |
| 1705 EVENT_CHAIN_LOOP (ev, XEVENT_NEXT (event)) | |
| 1706 { | |
| 1707 QUIT; | |
| 1708 if (EQ (ev, event)) | |
| 563 | 1709 invalid_operation_2 ("Cyclic event-next", event, next_event); |
| 428 | 1710 } |
| 1711 XSET_EVENT_NEXT (event, next_event); | |
| 1712 return next_event; | |
| 1713 } | |
| 1714 | |
| 1715 #endif /* 0 */ | |
| 1716 | |
| 1717 DEFUN ("event-type", Fevent_type, 1, 1, 0, /* | |
| 1718 Return the type of EVENT. | |
| 1719 This will be a symbol; one of | |
| 1720 | |
| 1721 key-press A key was pressed. | |
| 1722 button-press A mouse button was pressed. | |
| 1723 button-release A mouse button was released. | |
| 1724 misc-user Some other user action happened; typically, this is | |
| 1725 a menu selection or scrollbar action. | |
| 1726 motion The mouse moved. | |
| 1727 process Input is available from a subprocess. | |
| 1728 timeout A timeout has expired. | |
| 1729 eval This causes a specified action to occur when dispatched. | |
| 1730 magic Some window-system-specific event has occurred. | |
| 1731 empty The event has been allocated but not assigned. | |
| 1732 | |
| 1733 */ | |
| 1734 (event)) | |
| 1735 { | |
| 1736 CHECK_LIVE_EVENT (event); | |
| 934 | 1737 switch (XEVENT_TYPE (event)) |
| 428 | 1738 { |
| 1739 case key_press_event: return Qkey_press; | |
| 1740 case button_press_event: return Qbutton_press; | |
| 1741 case button_release_event: return Qbutton_release; | |
| 1742 case misc_user_event: return Qmisc_user; | |
| 1743 case pointer_motion_event: return Qmotion; | |
| 1744 case process_event: return Qprocess; | |
| 1745 case timeout_event: return Qtimeout; | |
| 1746 case eval_event: return Qeval; | |
| 1747 case magic_event: | |
| 1748 case magic_eval_event: | |
| 1749 return Qmagic; | |
| 1750 | |
| 1751 case empty_event: | |
| 1752 return Qempty; | |
| 1753 | |
| 1754 default: | |
| 2500 | 1755 ABORT (); |
| 428 | 1756 return Qnil; |
| 1757 } | |
| 1758 } | |
| 1759 | |
| 1760 DEFUN ("event-timestamp", Fevent_timestamp, 1, 1, 0, /* | |
| 1761 Return the timestamp of the event object EVENT. | |
| 442 | 1762 Timestamps are measured in milliseconds since the start of the window system. |
| 1763 They are NOT related to any current time measurement. | |
| 1764 They should be compared with `event-timestamp<'. | |
| 1765 See also `current-event-timestamp'. | |
| 428 | 1766 */ |
| 1767 (event)) | |
| 1768 { | |
| 1769 CHECK_LIVE_EVENT (event); | |
| 1770 /* This junk is so that timestamps don't get to be negative, but contain | |
| 1771 as many bits as this particular emacs will allow. | |
| 1772 */ | |
| 2039 | 1773 return make_int (EMACS_INT_MAX & XEVENT_TIMESTAMP (event)); |
| 428 | 1774 } |
| 1775 | |
| 2039 | 1776 #define TIMESTAMP_HALFSPACE (1L << (INT_VALBITS - 2)) |
| 442 | 1777 |
| 1778 DEFUN ("event-timestamp<", Fevent_timestamp_lessp, 2, 2, 0, /* | |
| 1779 Return true if timestamp TIME1 is earlier than timestamp TIME2. | |
| 1780 This correctly handles timestamp wrap. | |
| 1781 See also `event-timestamp' and `current-event-timestamp'. | |
| 1782 */ | |
| 1783 (time1, time2)) | |
| 1784 { | |
| 1785 EMACS_INT t1, t2; | |
| 1786 | |
| 1787 CHECK_NATNUM (time1); | |
| 1788 CHECK_NATNUM (time2); | |
| 1789 t1 = XINT (time1); | |
| 1790 t2 = XINT (time2); | |
| 1791 | |
| 1792 if (t1 < t2) | |
| 1793 return t2 - t1 < TIMESTAMP_HALFSPACE ? Qt : Qnil; | |
| 1794 else | |
| 1795 return t1 - t2 < TIMESTAMP_HALFSPACE ? Qnil : Qt; | |
| 1796 } | |
| 1797 | |
| 934 | 1798 #define CHECK_EVENT_TYPE(e,t1,sym) do { \ |
| 1799 CHECK_LIVE_EVENT (e); \ | |
| 1800 if (XEVENT_TYPE (e) != (t1)) \ | |
| 1801 e = wrong_type_argument (sym,e); \ | |
| 1802 } while (0) | |
| 1803 | |
| 1804 #define CHECK_EVENT_TYPE2(e,t1,t2,sym) do { \ | |
| 1805 CHECK_LIVE_EVENT (e); \ | |
| 1806 { \ | |
| 1807 emacs_event_type CET_type = XEVENT_TYPE (e); \ | |
| 1808 if (CET_type != (t1) && \ | |
| 1809 CET_type != (t2)) \ | |
| 1810 e = wrong_type_argument (sym,e); \ | |
| 1811 } \ | |
| 1812 } while (0) | |
| 1813 | |
| 1814 #define CHECK_EVENT_TYPE3(e,t1,t2,t3,sym) do { \ | |
| 1815 CHECK_LIVE_EVENT (e); \ | |
| 1816 { \ | |
| 1817 emacs_event_type CET_type = XEVENT_TYPE (e); \ | |
| 1818 if (CET_type != (t1) && \ | |
| 1819 CET_type != (t2) && \ | |
| 1820 CET_type != (t3)) \ | |
| 1821 e = wrong_type_argument (sym,e); \ | |
| 1822 } \ | |
| 1823 } while (0) | |
| 428 | 1824 |
| 1825 DEFUN ("event-key", Fevent_key, 1, 1, 0, /* | |
| 1826 Return the Keysym of the key-press event EVENT. | |
| 1827 This will be a character if the event is associated with one, else a symbol. | |
| 1828 */ | |
| 1829 (event)) | |
| 1830 { | |
| 1831 CHECK_EVENT_TYPE (event, key_press_event, Qkey_press_event_p); | |
| 1204 | 1832 return XEVENT_KEY_KEYSYM (event); |
| 428 | 1833 } |
| 1834 | |
| 1835 DEFUN ("event-button", Fevent_button, 1, 1, 0, /* | |
| 444 | 1836 Return the button-number of the button-press or button-release event EVENT. |
| 428 | 1837 */ |
| 1838 (event)) | |
| 1839 { | |
| 1840 CHECK_EVENT_TYPE3 (event, button_press_event, button_release_event, | |
| 1841 misc_user_event, Qbutton_event_p); | |
| 1842 #ifdef HAVE_WINDOW_SYSTEM | |
| 1204 | 1843 if (XEVENT_TYPE (event) == misc_user_event) |
| 1844 return make_int (XEVENT_MISC_USER_BUTTON (event)); | |
| 934 | 1845 else |
| 1204 | 1846 return make_int (XEVENT_BUTTON_BUTTON (event)); |
| 428 | 1847 #else /* !HAVE_WINDOW_SYSTEM */ |
| 1848 return Qzero; | |
| 1849 #endif /* !HAVE_WINDOW_SYSTEM */ | |
| 1850 } | |
| 1851 | |
| 1852 DEFUN ("event-modifier-bits", Fevent_modifier_bits, 1, 1, 0, /* | |
| 442 | 1853 Return a number representing the modifier keys and buttons which were down |
| 428 | 1854 when the given mouse or keyboard event was produced. |
| 442 | 1855 See also the function `event-modifiers'. |
| 428 | 1856 */ |
| 1857 (event)) | |
| 1858 { | |
| 1859 again: | |
| 1860 CHECK_LIVE_EVENT (event); | |
| 934 | 1861 switch (XEVENT_TYPE (event)) |
| 1862 { | |
| 1863 case key_press_event: | |
| 1204 | 1864 return make_int (XEVENT_KEY_MODIFIERS (event)); |
| 934 | 1865 case button_press_event: |
| 1866 case button_release_event: | |
| 1204 | 1867 return make_int (XEVENT_BUTTON_MODIFIERS (event)); |
| 934 | 1868 case pointer_motion_event: |
| 1204 | 1869 return make_int (XEVENT_MOTION_MODIFIERS (event)); |
| 934 | 1870 case misc_user_event: |
| 1204 | 1871 return make_int (XEVENT_MISC_USER_MODIFIERS (event)); |
| 934 | 1872 default: |
| 1873 event = wrong_type_argument (intern ("key-or-mouse-event-p"), event); | |
| 1874 goto again; | |
| 1875 } | |
| 428 | 1876 } |
| 1877 | |
| 1878 DEFUN ("event-modifiers", Fevent_modifiers, 1, 1, 0, /* | |
| 442 | 1879 Return a list of symbols, the names of the modifier keys and buttons |
| 428 | 1880 which were down when the given mouse or keyboard event was produced. |
| 442 | 1881 See also the function `event-modifier-bits'. |
| 1882 | |
| 1883 The possible symbols in the list are | |
| 1884 | |
| 1885 `shift': The Shift key. Will not appear, in general, on key events | |
| 1886 where the keysym is an ASCII character, because using Shift | |
| 1887 on such a character converts it into another character rather | |
| 1888 than actually just adding a Shift modifier. | |
| 1889 | |
| 1890 `control': The Control key. | |
| 1891 | |
| 1892 `meta': The Meta key. On PC's and PC-style keyboards, this is generally | |
| 1893 labelled \"Alt\"; Meta is a holdover from early Lisp Machines and | |
| 1894 such, propagated through the X Window System. On Sun keyboards, | |
| 1895 this key is labelled with a diamond. | |
| 1896 | |
| 1897 `alt': The \"Alt\" key. Alt is in quotes because this does not refer | |
| 1898 to what it obviously should refer to, namely the Alt key on PC | |
| 1899 keyboards. Instead, it refers to the key labelled Alt on Sun | |
| 1900 keyboards, and to no key at all on PC keyboards. | |
| 1901 | |
| 1902 `super': The Super key. Most keyboards don't have any such key, but | |
| 1903 under X Windows using `xmodmap' you can assign any key (such as | |
| 1904 an underused right-shift, right-control, or right-alt key) to | |
| 1905 this key modifier. No support currently exists under MS Windows | |
| 1906 for generating these modifiers. | |
| 1907 | |
| 1908 `hyper': The Hyper key. Works just like the Super key. | |
| 1909 | |
| 1910 `button1': The mouse buttons. This means that the specified button was held | |
| 1911 `button2': down at the time the event occurred. NOTE: For button-press | |
| 1912 `button3': events, the button that was just pressed down does NOT appear in | |
| 1913 `button4': the modifiers. | |
| 1914 `button5': | |
| 1915 | |
| 1916 Button modifiers are currently ignored when defining and looking up key and | |
| 1917 mouse strokes in keymaps. This could be changed, which would allow a user to | |
| 1918 create button-chord actions, use a button as a key modifier and do other | |
| 1919 clever things. | |
| 428 | 1920 */ |
| 1921 (event)) | |
| 1922 { | |
| 1923 int mod = XINT (Fevent_modifier_bits (event)); | |
| 1924 Lisp_Object result = Qnil; | |
| 442 | 1925 struct gcpro gcpro1; |
| 1926 | |
| 1927 GCPRO1 (result); | |
| 1928 if (mod & XEMACS_MOD_SHIFT) result = Fcons (Qshift, result); | |
| 1929 if (mod & XEMACS_MOD_ALT) result = Fcons (Qalt, result); | |
| 1930 if (mod & XEMACS_MOD_HYPER) result = Fcons (Qhyper, result); | |
| 1931 if (mod & XEMACS_MOD_SUPER) result = Fcons (Qsuper, result); | |
| 1932 if (mod & XEMACS_MOD_META) result = Fcons (Qmeta, result); | |
| 1933 if (mod & XEMACS_MOD_CONTROL) result = Fcons (Qcontrol, result); | |
| 1934 if (mod & XEMACS_MOD_BUTTON1) result = Fcons (Qbutton1, result); | |
| 1935 if (mod & XEMACS_MOD_BUTTON2) result = Fcons (Qbutton2, result); | |
| 1936 if (mod & XEMACS_MOD_BUTTON3) result = Fcons (Qbutton3, result); | |
| 1937 if (mod & XEMACS_MOD_BUTTON4) result = Fcons (Qbutton4, result); | |
| 1938 if (mod & XEMACS_MOD_BUTTON5) result = Fcons (Qbutton5, result); | |
| 1939 RETURN_UNGCPRO (Fnreverse (result)); | |
| 428 | 1940 } |
| 1941 | |
| 1942 static int | |
| 1943 event_x_y_pixel_internal (Lisp_Object event, int *x, int *y, int relative) | |
| 1944 { | |
| 1945 struct window *w; | |
| 1946 struct frame *f; | |
| 1947 | |
| 934 | 1948 if (XEVENT_TYPE (event) == pointer_motion_event) |
| 1949 { | |
| 1204 | 1950 *x = XEVENT_MOTION_X (event); |
| 1951 *y = XEVENT_MOTION_Y (event); | |
| 934 | 1952 } |
| 1953 else if (XEVENT_TYPE (event) == button_press_event || | |
| 1954 XEVENT_TYPE (event) == button_release_event) | |
| 1955 { | |
| 1204 | 1956 *x = XEVENT_BUTTON_X (event); |
| 1957 *y = XEVENT_BUTTON_Y (event); | |
| 934 | 1958 } |
| 1959 else if (XEVENT_TYPE (event) == misc_user_event) | |
| 1960 { | |
| 1204 | 1961 *x = XEVENT_MISC_USER_X (event); |
| 1962 *y = XEVENT_MISC_USER_Y (event); | |
| 934 | 1963 } |
| 1964 else | |
| 1965 return 0; | |
| 428 | 1966 f = XFRAME (EVENT_CHANNEL (XEVENT (event))); |
| 1967 | |
| 1968 if (relative) | |
| 1969 { | |
| 1970 w = find_window_by_pixel_pos (*x, *y, f->root_window); | |
| 1971 | |
| 1972 if (!w) | |
| 442 | 1973 return 1; /* #### What should really happen here? */ |
| 428 | 1974 |
| 1975 *x -= w->pixel_left; | |
| 1976 *y -= w->pixel_top; | |
| 1977 } | |
| 1978 else | |
| 1979 { | |
| 1980 *y -= FRAME_REAL_TOP_TOOLBAR_HEIGHT (f) - | |
| 1981 FRAME_REAL_TOP_TOOLBAR_BORDER_WIDTH (f); | |
| 1982 *x -= FRAME_REAL_LEFT_TOOLBAR_WIDTH (f) - | |
| 1983 FRAME_REAL_LEFT_TOOLBAR_BORDER_WIDTH (f); | |
| 1984 } | |
| 1985 | |
| 1986 return 1; | |
| 1987 } | |
| 1988 | |
| 1989 DEFUN ("event-window-x-pixel", Fevent_window_x_pixel, 1, 1, 0, /* | |
| 1990 Return the X position in pixels of mouse event EVENT. | |
| 1991 The value returned is relative to the window the event occurred in. | |
| 1992 This will signal an error if the event is not a mouse event. | |
| 1993 See also `mouse-event-p' and `event-x-pixel'. | |
| 1994 */ | |
| 1995 (event)) | |
| 1996 { | |
| 1997 int x, y; | |
| 1998 | |
| 1999 CHECK_LIVE_EVENT (event); | |
| 2000 | |
| 2001 if (!event_x_y_pixel_internal (event, &x, &y, 1)) | |
| 2002 return wrong_type_argument (Qmouse_event_p, event); | |
| 2003 else | |
| 2004 return make_int (x); | |
| 2005 } | |
| 2006 | |
| 2007 DEFUN ("event-window-y-pixel", Fevent_window_y_pixel, 1, 1, 0, /* | |
| 2008 Return the Y position in pixels of mouse event EVENT. | |
| 2009 The value returned is relative to the window the event occurred in. | |
| 2010 This will signal an error if the event is not a mouse event. | |
| 2011 See also `mouse-event-p' and `event-y-pixel'. | |
| 2012 */ | |
| 2013 (event)) | |
| 2014 { | |
| 2015 int x, y; | |
| 2016 | |
| 2017 CHECK_LIVE_EVENT (event); | |
| 2018 | |
| 2019 if (!event_x_y_pixel_internal (event, &x, &y, 1)) | |
| 2020 return wrong_type_argument (Qmouse_event_p, event); | |
| 2021 else | |
| 2022 return make_int (y); | |
| 2023 } | |
| 2024 | |
| 2025 DEFUN ("event-x-pixel", Fevent_x_pixel, 1, 1, 0, /* | |
| 2026 Return the X position in pixels of mouse event EVENT. | |
| 2027 The value returned is relative to the frame the event occurred in. | |
| 2028 This will signal an error if the event is not a mouse event. | |
| 2029 See also `mouse-event-p' and `event-window-x-pixel'. | |
| 2030 */ | |
| 2031 (event)) | |
| 2032 { | |
| 2033 int x, y; | |
| 2034 | |
| 2035 CHECK_LIVE_EVENT (event); | |
| 2036 | |
| 2037 if (!event_x_y_pixel_internal (event, &x, &y, 0)) | |
| 2038 return wrong_type_argument (Qmouse_event_p, event); | |
| 2039 else | |
| 2040 return make_int (x); | |
| 2041 } | |
| 2042 | |
| 2043 DEFUN ("event-y-pixel", Fevent_y_pixel, 1, 1, 0, /* | |
| 2044 Return the Y position in pixels of mouse event EVENT. | |
| 2045 The value returned is relative to the frame the event occurred in. | |
| 2046 This will signal an error if the event is not a mouse event. | |
| 2047 See also `mouse-event-p' `event-window-y-pixel'. | |
| 2048 */ | |
| 2049 (event)) | |
| 2050 { | |
| 2051 int x, y; | |
| 2052 | |
| 2053 CHECK_LIVE_EVENT (event); | |
| 2054 | |
| 2055 if (!event_x_y_pixel_internal (event, &x, &y, 0)) | |
| 2056 return wrong_type_argument (Qmouse_event_p, event); | |
| 2057 else | |
| 2058 return make_int (y); | |
| 2059 } | |
| 2060 | |
| 2061 /* Given an event, return a value: | |
| 2062 | |
| 2063 OVER_TOOLBAR: over one of the 4 frame toolbars | |
| 2064 OVER_MODELINE: over a modeline | |
| 2065 OVER_BORDER: over an internal border | |
| 2066 OVER_NOTHING: over the text area, but not over text | |
| 2067 OVER_OUTSIDE: outside of the frame border | |
| 2068 OVER_TEXT: over text in the text area | |
| 2069 OVER_V_DIVIDER: over windows vertical divider | |
| 2070 | |
| 2071 and return: | |
| 2072 | |
| 2073 The X char position in CHAR_X, if not a null pointer. | |
| 2074 The Y char position in CHAR_Y, if not a null pointer. | |
| 2075 (These last two values are relative to the window the event is over.) | |
| 2076 The window it's over in W, if not a null pointer. | |
| 2077 The buffer position it's over in BUFP, if not a null pointer. | |
| 2078 The closest buffer position in CLOSEST, if not a null pointer. | |
| 2079 | |
| 2080 OBJ_X, OBJ_Y, OBJ1, and OBJ2 are as in pixel_to_glyph_translation(). | |
| 2081 */ | |
| 2082 | |
| 2083 static int | |
| 2084 event_pixel_translation (Lisp_Object event, int *char_x, int *char_y, | |
| 2085 int *obj_x, int *obj_y, | |
| 665 | 2086 struct window **w, Charbpos *bufp, Charbpos *closest, |
| 428 | 2087 Charcount *modeline_closest, |
| 2088 Lisp_Object *obj1, Lisp_Object *obj2) | |
| 2089 { | |
| 2090 int pix_x = 0; | |
| 2091 int pix_y = 0; | |
| 2092 int result; | |
| 2093 Lisp_Object frame; | |
| 2094 | |
| 2095 int ret_x, ret_y, ret_obj_x, ret_obj_y; | |
| 2096 struct window *ret_w; | |
| 665 | 2097 Charbpos ret_bufp, ret_closest; |
| 428 | 2098 Charcount ret_modeline_closest; |
| 2099 Lisp_Object ret_obj1, ret_obj2; | |
| 2100 | |
| 2101 CHECK_LIVE_EVENT (event); | |
| 934 | 2102 frame = XEVENT_CHANNEL (event); |
| 2103 switch (XEVENT_TYPE (event)) | |
| 2104 { | |
| 2105 case pointer_motion_event : | |
| 1204 | 2106 pix_x = XEVENT_MOTION_X (event); |
| 2107 pix_y = XEVENT_MOTION_Y (event); | |
| 934 | 2108 break; |
| 2109 case button_press_event : | |
| 2110 case button_release_event : | |
| 1204 | 2111 pix_x = XEVENT_BUTTON_X (event); |
| 2112 pix_y = XEVENT_BUTTON_Y (event); | |
| 934 | 2113 break; |
| 2114 case misc_user_event : | |
| 1204 | 2115 pix_x = XEVENT_MISC_USER_X (event); |
| 2116 pix_y = XEVENT_MISC_USER_Y (event); | |
| 934 | 2117 break; |
| 2118 default: | |
| 2119 dead_wrong_type_argument (Qmouse_event_p, event); | |
| 2120 } | |
| 428 | 2121 |
| 2122 result = pixel_to_glyph_translation (XFRAME (frame), pix_x, pix_y, | |
| 2123 &ret_x, &ret_y, &ret_obj_x, &ret_obj_y, | |
| 2124 &ret_w, &ret_bufp, &ret_closest, | |
| 2125 &ret_modeline_closest, | |
| 2126 &ret_obj1, &ret_obj2); | |
| 2127 | |
| 2128 if (result == OVER_NOTHING || result == OVER_OUTSIDE) | |
| 2129 ret_bufp = 0; | |
| 2130 else if (ret_w && NILP (ret_w->buffer)) | |
| 2131 /* Why does this happen? (Does it still happen?) | |
| 2132 I guess the window has gotten reused as a non-leaf... */ | |
| 2133 ret_w = 0; | |
| 2134 | |
| 2135 /* #### pixel_to_glyph_translation() sometimes returns garbage... | |
| 2136 The word has type Lisp_Type_Record (presumably meaning `extent') but the | |
| 2137 pointer points to random memory, often filled with 0, sometimes not. | |
| 2138 */ | |
| 2139 /* #### Chuck, do we still need this crap? */ | |
| 2140 if (!NILP (ret_obj1) && !(GLYPHP (ret_obj1) | |
| 2141 #ifdef HAVE_TOOLBARS | |
| 2142 || TOOLBAR_BUTTONP (ret_obj1) | |
| 2143 #endif | |
| 2144 )) | |
| 2500 | 2145 ABORT (); |
| 428 | 2146 if (!NILP (ret_obj2) && !(EXTENTP (ret_obj2) || CONSP (ret_obj2))) |
| 2500 | 2147 ABORT (); |
| 428 | 2148 |
| 2149 if (char_x) | |
| 2150 *char_x = ret_x; | |
| 2151 if (char_y) | |
| 2152 *char_y = ret_y; | |
| 2153 if (obj_x) | |
| 2154 *obj_x = ret_obj_x; | |
| 2155 if (obj_y) | |
| 2156 *obj_y = ret_obj_y; | |
| 2157 if (w) | |
| 2158 *w = ret_w; | |
| 2159 if (bufp) | |
| 2160 *bufp = ret_bufp; | |
| 2161 if (closest) | |
| 2162 *closest = ret_closest; | |
| 2163 if (modeline_closest) | |
| 2164 *modeline_closest = ret_modeline_closest; | |
| 2165 if (obj1) | |
| 2166 *obj1 = ret_obj1; | |
| 2167 if (obj2) | |
| 2168 *obj2 = ret_obj2; | |
| 2169 | |
| 2170 return result; | |
| 2171 } | |
| 2172 | |
| 2173 DEFUN ("event-over-text-area-p", Fevent_over_text_area_p, 1, 1, 0, /* | |
| 2174 Return t if the mouse event EVENT occurred over the text area of a window. | |
| 2175 The modeline is not considered to be part of the text area. | |
| 2176 */ | |
| 2177 (event)) | |
| 2178 { | |
| 2179 int result = event_pixel_translation (event, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); | |
| 2180 | |
| 2181 return result == OVER_TEXT || result == OVER_NOTHING ? Qt : Qnil; | |
| 2182 } | |
| 2183 | |
| 2184 DEFUN ("event-over-modeline-p", Fevent_over_modeline_p, 1, 1, 0, /* | |
| 2185 Return t if the mouse event EVENT occurred over the modeline of a window. | |
| 2186 */ | |
| 2187 (event)) | |
| 2188 { | |
| 2189 int result = event_pixel_translation (event, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); | |
| 2190 | |
| 2191 return result == OVER_MODELINE ? Qt : Qnil; | |
| 2192 } | |
| 2193 | |
| 2194 DEFUN ("event-over-border-p", Fevent_over_border_p, 1, 1, 0, /* | |
| 2195 Return t if the mouse event EVENT occurred over an internal border. | |
| 2196 */ | |
| 2197 (event)) | |
| 2198 { | |
| 2199 int result = event_pixel_translation (event, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); | |
| 2200 | |
| 2201 return result == OVER_BORDER ? Qt : Qnil; | |
| 2202 } | |
| 2203 | |
| 2204 DEFUN ("event-over-toolbar-p", Fevent_over_toolbar_p, 1, 1, 0, /* | |
| 2205 Return t if the mouse event EVENT occurred over a toolbar. | |
| 2206 */ | |
| 2207 (event)) | |
| 2208 { | |
| 2209 int result = event_pixel_translation (event, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); | |
| 2210 | |
| 2211 return result == OVER_TOOLBAR ? Qt : Qnil; | |
| 2212 } | |
| 2213 | |
| 2214 DEFUN ("event-over-vertical-divider-p", Fevent_over_vertical_divider_p, 1, 1, 0, /* | |
| 2215 Return t if the mouse event EVENT occurred over a window divider. | |
| 2216 */ | |
| 2217 (event)) | |
| 2218 { | |
| 2219 int result = event_pixel_translation (event, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); | |
| 2220 | |
| 2221 return result == OVER_V_DIVIDER ? Qt : Qnil; | |
| 2222 } | |
| 2223 | |
| 2224 struct console * | |
| 2225 event_console_or_selected (Lisp_Object event) | |
| 2226 { | |
| 2227 Lisp_Object channel = EVENT_CHANNEL (XEVENT (event)); | |
| 2228 Lisp_Object console = CDFW_CONSOLE (channel); | |
| 2229 | |
| 2230 if (NILP (console)) | |
| 2231 console = Vselected_console; | |
| 2232 | |
| 2233 return XCONSOLE (console); | |
| 2234 } | |
| 2235 | |
| 2236 DEFUN ("event-channel", Fevent_channel, 1, 1, 0, /* | |
| 2237 Return the channel that the event EVENT occurred on. | |
| 2238 This will be a frame, device, console, or nil for some types | |
| 2239 of events (e.g. eval events). | |
| 2240 */ | |
| 2241 (event)) | |
| 2242 { | |
| 2243 CHECK_LIVE_EVENT (event); | |
| 2244 return EVENT_CHANNEL (XEVENT (event)); | |
| 2245 } | |
| 2246 | |
| 2247 DEFUN ("event-window", Fevent_window, 1, 1, 0, /* | |
| 2248 Return the window over which mouse event EVENT occurred. | |
| 2249 This may be nil if the event occurred in the border or over a toolbar. | |
| 2250 The modeline is considered to be within the window it describes. | |
| 2251 */ | |
| 2252 (event)) | |
| 2253 { | |
| 2254 struct window *w; | |
| 2255 | |
| 2256 event_pixel_translation (event, 0, 0, 0, 0, &w, 0, 0, 0, 0, 0); | |
| 2257 | |
| 2258 if (!w) | |
| 2259 return Qnil; | |
| 2260 else | |
| 2261 { | |
| 793 | 2262 return wrap_window (w); |
| 428 | 2263 } |
| 2264 } | |
| 2265 | |
| 2266 DEFUN ("event-point", Fevent_point, 1, 1, 0, /* | |
| 2267 Return the character position of the mouse event EVENT. | |
| 2268 If the event did not occur over a window, or did not occur over text, | |
| 2269 then this returns nil. Otherwise, it returns a position in the buffer | |
| 2270 visible in the event's window. | |
| 2271 */ | |
| 2272 (event)) | |
| 2273 { | |
| 665 | 2274 Charbpos bufp; |
| 428 | 2275 struct window *w; |
| 2276 | |
| 2277 event_pixel_translation (event, 0, 0, 0, 0, &w, &bufp, 0, 0, 0, 0); | |
| 2278 | |
| 2279 return w && bufp ? make_int (bufp) : Qnil; | |
| 2280 } | |
| 2281 | |
| 2282 DEFUN ("event-closest-point", Fevent_closest_point, 1, 1, 0, /* | |
| 2283 Return the character position closest to the mouse event EVENT. | |
| 2284 If the event did not occur over a window or over text, return the | |
| 2285 closest point to the location of the event. If the Y pixel position | |
| 2286 overlaps a window and the X pixel position is to the left of that | |
| 2287 window, the closest point is the beginning of the line containing the | |
| 2288 Y position. If the Y pixel position overlaps a window and the X pixel | |
| 2289 position is to the right of that window, the closest point is the end | |
| 2290 of the line containing the Y position. If the Y pixel position is | |
| 2291 above a window, return 0. If it is below the last character in a window, | |
| 2292 return the value of (window-end). | |
| 2293 */ | |
| 2294 (event)) | |
| 2295 { | |
| 665 | 2296 Charbpos bufp; |
| 428 | 2297 |
| 2298 event_pixel_translation (event, 0, 0, 0, 0, 0, 0, &bufp, 0, 0, 0); | |
| 2299 | |
| 2300 return bufp ? make_int (bufp) : Qnil; | |
| 2301 } | |
| 2302 | |
| 2303 DEFUN ("event-x", Fevent_x, 1, 1, 0, /* | |
| 2304 Return the X position of the mouse event EVENT in characters. | |
| 2305 This is relative to the window the event occurred over. | |
| 2306 */ | |
| 2307 (event)) | |
| 2308 { | |
| 2309 int char_x; | |
| 2310 | |
| 2311 event_pixel_translation (event, &char_x, 0, 0, 0, 0, 0, 0, 0, 0, 0); | |
| 2312 | |
| 2313 return make_int (char_x); | |
| 2314 } | |
| 2315 | |
| 2316 DEFUN ("event-y", Fevent_y, 1, 1, 0, /* | |
| 2317 Return the Y position of the mouse event EVENT in characters. | |
| 2318 This is relative to the window the event occurred over. | |
| 2319 */ | |
| 2320 (event)) | |
| 2321 { | |
| 2322 int char_y; | |
| 2323 | |
| 2324 event_pixel_translation (event, 0, &char_y, 0, 0, 0, 0, 0, 0, 0, 0); | |
| 2325 | |
| 2326 return make_int (char_y); | |
| 2327 } | |
| 2328 | |
| 2329 DEFUN ("event-modeline-position", Fevent_modeline_position, 1, 1, 0, /* | |
| 2330 Return the character position in the modeline that EVENT occurred over. | |
| 2331 EVENT should be a mouse event. If EVENT did not occur over a modeline, | |
| 2332 nil is returned. You can determine the actual character that the | |
| 2333 event occurred over by looking in `generated-modeline-string' at the | |
| 2334 returned character position. Note that `generated-modeline-string' | |
| 2335 is buffer-local, and you must use EVENT's buffer when retrieving | |
| 2336 `generated-modeline-string' in order to get accurate results. | |
| 2337 */ | |
| 2338 (event)) | |
| 2339 { | |
| 2340 Charcount mbufp; | |
| 2341 int where; | |
| 2342 | |
| 2343 where = event_pixel_translation (event, 0, 0, 0, 0, 0, 0, 0, &mbufp, 0, 0); | |
| 2344 | |
| 2345 return (mbufp < 0 || where != OVER_MODELINE) ? Qnil : make_int (mbufp); | |
| 2346 } | |
| 2347 | |
| 2348 DEFUN ("event-glyph", Fevent_glyph, 1, 1, 0, /* | |
| 2349 Return the glyph that the mouse event EVENT occurred over, or nil. | |
| 2350 */ | |
| 2351 (event)) | |
| 2352 { | |
| 2353 Lisp_Object glyph; | |
| 2354 struct window *w; | |
| 2355 | |
| 2356 event_pixel_translation (event, 0, 0, 0, 0, &w, 0, 0, 0, &glyph, 0); | |
| 2357 | |
| 2358 return w && GLYPHP (glyph) ? glyph : Qnil; | |
| 2359 } | |
| 2360 | |
| 2361 DEFUN ("event-glyph-extent", Fevent_glyph_extent, 1, 1, 0, /* | |
| 2362 Return the extent of the glyph that the mouse event EVENT occurred over. | |
| 2363 If the event did not occur over a glyph, nil is returned. | |
| 2364 */ | |
| 2365 (event)) | |
| 2366 { | |
| 2367 Lisp_Object extent; | |
| 2368 struct window *w; | |
| 2369 | |
| 2370 event_pixel_translation (event, 0, 0, 0, 0, &w, 0, 0, 0, 0, &extent); | |
| 2371 | |
| 2372 return w && EXTENTP (extent) ? extent : Qnil; | |
| 2373 } | |
| 2374 | |
| 2375 DEFUN ("event-glyph-x-pixel", Fevent_glyph_x_pixel, 1, 1, 0, /* | |
| 2376 Return the X pixel position of EVENT relative to the glyph it occurred over. | |
| 2377 EVENT should be a mouse event. If the event did not occur over a glyph, | |
| 2378 nil is returned. | |
| 2379 */ | |
| 2380 (event)) | |
| 2381 { | |
| 2382 Lisp_Object extent; | |
| 2383 struct window *w; | |
| 2384 int obj_x; | |
| 2385 | |
| 2386 event_pixel_translation (event, 0, 0, &obj_x, 0, &w, 0, 0, 0, 0, &extent); | |
| 2387 | |
| 2388 return w && EXTENTP (extent) ? make_int (obj_x) : Qnil; | |
| 2389 } | |
| 2390 | |
| 2391 DEFUN ("event-glyph-y-pixel", Fevent_glyph_y_pixel, 1, 1, 0, /* | |
| 2392 Return the Y pixel position of EVENT relative to the glyph it occurred over. | |
| 2393 EVENT should be a mouse event. If the event did not occur over a glyph, | |
| 2394 nil is returned. | |
| 2395 */ | |
| 2396 (event)) | |
| 2397 { | |
| 2398 Lisp_Object extent; | |
| 2399 struct window *w; | |
| 2400 int obj_y; | |
| 2401 | |
| 2402 event_pixel_translation (event, 0, 0, 0, &obj_y, &w, 0, 0, 0, 0, &extent); | |
| 2403 | |
| 2404 return w && EXTENTP (extent) ? make_int (obj_y) : Qnil; | |
| 2405 } | |
| 2406 | |
| 2407 DEFUN ("event-toolbar-button", Fevent_toolbar_button, 1, 1, 0, /* | |
| 2408 Return the toolbar button that the mouse event EVENT occurred over. | |
| 2409 If the event did not occur over a toolbar button, nil is returned. | |
| 2410 */ | |
| 2340 | 2411 (USED_IF_TOOLBARS (event))) |
| 428 | 2412 { |
| 2413 #ifdef HAVE_TOOLBARS | |
| 2414 Lisp_Object button; | |
| 2415 | |
| 2416 int result = event_pixel_translation (event, 0, 0, 0, 0, 0, 0, 0, 0, &button, 0); | |
| 2417 | |
| 2418 return result == OVER_TOOLBAR && TOOLBAR_BUTTONP (button) ? button : Qnil; | |
| 2419 #else | |
| 2420 return Qnil; | |
| 2421 #endif | |
| 2422 } | |
| 2423 | |
| 2424 DEFUN ("event-process", Fevent_process, 1, 1, 0, /* | |
| 444 | 2425 Return the process of the process-output event EVENT. |
| 428 | 2426 */ |
| 2427 (event)) | |
| 2428 { | |
| 934 | 2429 CHECK_EVENT_TYPE (event, process_event, Qprocess_event_p); |
| 1204 | 2430 return XEVENT_PROCESS_PROCESS (event); |
| 428 | 2431 } |
| 2432 | |
| 2433 DEFUN ("event-function", Fevent_function, 1, 1, 0, /* | |
| 2434 Return the callback function of EVENT. | |
| 2435 EVENT should be a timeout, misc-user, or eval event. | |
| 2436 */ | |
| 2437 (event)) | |
| 2438 { | |
| 2439 again: | |
| 2440 CHECK_LIVE_EVENT (event); | |
| 934 | 2441 switch (XEVENT_TYPE (event)) |
| 2442 { | |
| 2443 case timeout_event: | |
| 1204 | 2444 return XEVENT_TIMEOUT_FUNCTION (event); |
| 934 | 2445 case misc_user_event: |
| 1204 | 2446 return XEVENT_MISC_USER_FUNCTION (event); |
| 934 | 2447 case eval_event: |
| 1204 | 2448 return XEVENT_EVAL_FUNCTION (event); |
| 934 | 2449 default: |
| 2450 event = wrong_type_argument (intern ("timeout-or-eval-event-p"), event); | |
| 2451 goto again; | |
| 2452 } | |
| 428 | 2453 } |
| 2454 | |
| 2455 DEFUN ("event-object", Fevent_object, 1, 1, 0, /* | |
| 2456 Return the callback function argument of EVENT. | |
| 2457 EVENT should be a timeout, misc-user, or eval event. | |
| 2458 */ | |
| 2459 (event)) | |
| 2460 { | |
| 2461 again: | |
| 2462 CHECK_LIVE_EVENT (event); | |
| 934 | 2463 switch (XEVENT_TYPE (event)) |
| 2464 { | |
| 2465 case timeout_event: | |
| 1204 | 2466 return XEVENT_TIMEOUT_OBJECT (event); |
| 934 | 2467 case misc_user_event: |
| 1204 | 2468 return XEVENT_MISC_USER_OBJECT (event); |
| 934 | 2469 case eval_event: |
| 1204 | 2470 return XEVENT_EVAL_OBJECT (event); |
| 934 | 2471 default: |
| 2472 event = wrong_type_argument (intern ("timeout-or-eval-event-p"), event); | |
| 2473 goto again; | |
| 2474 } | |
| 428 | 2475 } |
| 2476 | |
| 2477 DEFUN ("event-properties", Fevent_properties, 1, 1, 0, /* | |
| 2478 Return a list of all of the properties of EVENT. | |
| 2479 This is in the form of a property list (alternating keyword/value pairs). | |
| 2480 */ | |
| 2481 (event)) | |
| 2482 { | |
| 2483 Lisp_Object props = Qnil; | |
| 440 | 2484 Lisp_Event *e; |
| 428 | 2485 struct gcpro gcpro1; |
| 2486 | |
| 2487 CHECK_LIVE_EVENT (event); | |
| 2488 e = XEVENT (event); | |
| 2489 GCPRO1 (props); | |
| 2490 | |
| 2491 props = cons3 (Qtimestamp, Fevent_timestamp (event), props); | |
| 2492 | |
| 934 | 2493 switch (EVENT_TYPE (e)) |
| 428 | 2494 { |
| 2500 | 2495 default: ABORT (); |
| 428 | 2496 |
| 2497 case process_event: | |
| 1204 | 2498 props = cons3 (Qprocess, EVENT_PROCESS_PROCESS (e), props); |
| 428 | 2499 break; |
| 2500 | |
| 2501 case timeout_event: | |
| 2502 props = cons3 (Qobject, Fevent_object (event), props); | |
| 2503 props = cons3 (Qfunction, Fevent_function (event), props); | |
| 1204 | 2504 props = cons3 (Qid, make_int (EVENT_TIMEOUT_ID_NUMBER (e)), props); |
| 428 | 2505 break; |
| 2506 | |
| 2507 case key_press_event: | |
| 2508 props = cons3 (Qmodifiers, Fevent_modifiers (event), props); | |
| 2509 props = cons3 (Qkey, Fevent_key (event), props); | |
| 2510 break; | |
| 2511 | |
| 2512 case button_press_event: | |
| 2513 case button_release_event: | |
| 2514 props = cons3 (Qy, Fevent_y_pixel (event), props); | |
| 2515 props = cons3 (Qx, Fevent_x_pixel (event), props); | |
| 2516 props = cons3 (Qmodifiers, Fevent_modifiers (event), props); | |
| 2517 props = cons3 (Qbutton, Fevent_button (event), props); | |
| 2518 break; | |
| 2519 | |
| 2520 case pointer_motion_event: | |
| 2521 props = cons3 (Qmodifiers, Fevent_modifiers (event), props); | |
| 2522 props = cons3 (Qy, Fevent_y_pixel (event), props); | |
| 2523 props = cons3 (Qx, Fevent_x_pixel (event), props); | |
| 2524 break; | |
| 2525 | |
| 2526 case misc_user_event: | |
| 2527 props = cons3 (Qobject, Fevent_object (event), props); | |
| 2528 props = cons3 (Qfunction, Fevent_function (event), props); | |
| 2529 props = cons3 (Qy, Fevent_y_pixel (event), props); | |
| 2530 props = cons3 (Qx, Fevent_x_pixel (event), props); | |
| 2531 props = cons3 (Qmodifiers, Fevent_modifiers (event), props); | |
| 2532 props = cons3 (Qbutton, Fevent_button (event), props); | |
| 2533 break; | |
| 2534 | |
| 2535 case eval_event: | |
| 2536 props = cons3 (Qobject, Fevent_object (event), props); | |
| 2537 props = cons3 (Qfunction, Fevent_function (event), props); | |
| 2538 break; | |
| 2539 | |
| 2540 case magic_eval_event: | |
| 2541 case magic_event: | |
| 2542 break; | |
| 2543 | |
| 2544 case empty_event: | |
| 2545 RETURN_UNGCPRO (Qnil); | |
| 2546 break; | |
| 2547 } | |
| 2548 | |
| 2549 props = cons3 (Qchannel, Fevent_channel (event), props); | |
| 2550 UNGCPRO; | |
| 2551 | |
| 2552 return props; | |
| 2553 } | |
| 2554 | |
| 2555 | |
| 2556 /************************************************************************/ | |
| 2557 /* initialization */ | |
| 2558 /************************************************************************/ | |
| 2559 | |
| 2560 void | |
| 2561 syms_of_events (void) | |
| 2562 { | |
| 442 | 2563 INIT_LRECORD_IMPLEMENTATION (event); |
| 1204 | 2564 #ifdef EVENT_DATA_AS_OBJECTS |
| 934 | 2565 INIT_LRECORD_IMPLEMENTATION (key_data); |
| 2566 INIT_LRECORD_IMPLEMENTATION (button_data); | |
| 2567 INIT_LRECORD_IMPLEMENTATION (motion_data); | |
| 2568 INIT_LRECORD_IMPLEMENTATION (process_data); | |
| 2569 INIT_LRECORD_IMPLEMENTATION (timeout_data); | |
| 2570 INIT_LRECORD_IMPLEMENTATION (eval_data); | |
| 2571 INIT_LRECORD_IMPLEMENTATION (misc_user_data); | |
| 2572 INIT_LRECORD_IMPLEMENTATION (magic_eval_data); | |
| 2573 INIT_LRECORD_IMPLEMENTATION (magic_data); | |
| 1204 | 2574 #endif /* EVENT_DATA_AS_OBJECTS */ |
| 442 | 2575 |
| 428 | 2576 DEFSUBR (Fcharacter_to_event); |
| 2577 DEFSUBR (Fevent_to_character); | |
| 2578 | |
| 2579 DEFSUBR (Fmake_event); | |
| 2580 DEFSUBR (Fdeallocate_event); | |
| 2581 DEFSUBR (Fcopy_event); | |
| 2582 DEFSUBR (Feventp); | |
| 2583 DEFSUBR (Fevent_live_p); | |
| 2584 DEFSUBR (Fevent_type); | |
| 2585 DEFSUBR (Fevent_properties); | |
| 2586 | |
| 2587 DEFSUBR (Fevent_timestamp); | |
| 442 | 2588 DEFSUBR (Fevent_timestamp_lessp); |
| 428 | 2589 DEFSUBR (Fevent_key); |
| 2590 DEFSUBR (Fevent_button); | |
| 2591 DEFSUBR (Fevent_modifier_bits); | |
| 2592 DEFSUBR (Fevent_modifiers); | |
| 2593 DEFSUBR (Fevent_x_pixel); | |
| 2594 DEFSUBR (Fevent_y_pixel); | |
| 2595 DEFSUBR (Fevent_window_x_pixel); | |
| 2596 DEFSUBR (Fevent_window_y_pixel); | |
| 2597 DEFSUBR (Fevent_over_text_area_p); | |
| 2598 DEFSUBR (Fevent_over_modeline_p); | |
| 2599 DEFSUBR (Fevent_over_border_p); | |
| 2600 DEFSUBR (Fevent_over_toolbar_p); | |
| 2601 DEFSUBR (Fevent_over_vertical_divider_p); | |
| 2602 DEFSUBR (Fevent_channel); | |
| 2603 DEFSUBR (Fevent_window); | |
| 2604 DEFSUBR (Fevent_point); | |
| 2605 DEFSUBR (Fevent_closest_point); | |
| 2606 DEFSUBR (Fevent_x); | |
| 2607 DEFSUBR (Fevent_y); | |
| 2608 DEFSUBR (Fevent_modeline_position); | |
| 2609 DEFSUBR (Fevent_glyph); | |
| 2610 DEFSUBR (Fevent_glyph_extent); | |
| 2611 DEFSUBR (Fevent_glyph_x_pixel); | |
| 2612 DEFSUBR (Fevent_glyph_y_pixel); | |
| 2613 DEFSUBR (Fevent_toolbar_button); | |
| 2614 DEFSUBR (Fevent_process); | |
| 2615 DEFSUBR (Fevent_function); | |
| 2616 DEFSUBR (Fevent_object); | |
| 2617 | |
| 563 | 2618 DEFSYMBOL (Qeventp); |
| 2619 DEFSYMBOL (Qevent_live_p); | |
| 2620 DEFSYMBOL (Qkey_press_event_p); | |
| 2621 DEFSYMBOL (Qbutton_event_p); | |
| 2622 DEFSYMBOL (Qmouse_event_p); | |
| 2623 DEFSYMBOL (Qprocess_event_p); | |
| 2624 DEFSYMBOL (Qkey_press); | |
| 2625 DEFSYMBOL (Qbutton_press); | |
| 2626 DEFSYMBOL (Qbutton_release); | |
| 2627 DEFSYMBOL (Qmisc_user); | |
| 2828 | 2628 DEFSYMBOL (Qcharacter_of_keysym); |
| 563 | 2629 DEFSYMBOL (Qascii_character); |
| 428 | 2630 |
| 2631 defsymbol (&QKbackspace, "backspace"); | |
| 2632 defsymbol (&QKtab, "tab"); | |
| 2633 defsymbol (&QKlinefeed, "linefeed"); | |
| 2634 defsymbol (&QKreturn, "return"); | |
| 2635 defsymbol (&QKescape, "escape"); | |
| 2636 defsymbol (&QKspace, "space"); | |
| 2637 defsymbol (&QKdelete, "delete"); | |
| 2638 } | |
| 2639 | |
| 2640 | |
| 2641 void | |
| 2642 reinit_vars_of_events (void) | |
| 2643 { | |
| 2644 Vevent_resource = Qnil; | |
| 3092 | 2645 #ifdef NEW_GC |
| 2646 staticpro (&Vevent_resource); | |
| 2647 #endif /* NEW_GC */ | |
| 428 | 2648 } |
| 2649 | |
| 2650 void | |
| 2651 vars_of_events (void) | |
| 2652 { | |
| 2653 } |