Mercurial > hg > xemacs-beta
annotate src/events.c @ 5125:b5df3737028a ben-lisp-object
merge
| author | Ben Wing <ben@xemacs.org> |
|---|---|
| date | Wed, 24 Feb 2010 01:58:04 -0600 |
| parents | 623d57b7fbe8 e813cf16c015 |
| children | 2a462149bd6a |
| 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. | |
| 3063 | 4 Copyright (C) 2001, 2002, 2005 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 |
| 2340 | 44 #ifdef HAVE_TTY |
| 45 #define USED_IF_TTY(decl) decl | |
| 46 #else | |
| 47 #define USED_IF_TTY(decl) UNUSED (decl) | |
| 48 #endif | |
| 49 | |
| 50 #ifdef HAVE_TOOLBARS | |
| 51 #define USED_IF_TOOLBARS(decl) decl | |
| 52 #else | |
| 53 #define USED_IF_TOOLBARS(decl) UNUSED (decl) | |
| 54 #endif | |
| 55 | |
| 428 | 56 /* Where old events go when they are explicitly deallocated. |
| 57 The event chain here is cut loose before GC, so these will be freed | |
| 58 eventually. | |
| 59 */ | |
| 60 static Lisp_Object Vevent_resource; | |
| 61 | |
| 62 Lisp_Object Qeventp; | |
| 63 Lisp_Object Qevent_live_p; | |
| 64 Lisp_Object Qkey_press_event_p; | |
| 65 Lisp_Object Qbutton_event_p; | |
| 66 Lisp_Object Qmouse_event_p; | |
| 67 Lisp_Object Qprocess_event_p; | |
| 68 | |
| 69 Lisp_Object Qkey_press, Qbutton_press, Qbutton_release, Qmisc_user; | |
| 2828 | 70 Lisp_Object Qcharacter_of_keysym, Qascii_character; |
| 428 | 71 |
| 771 | 72 |
| 73 /************************************************************************/ | |
| 74 /* definition of event object */ | |
| 75 /************************************************************************/ | |
| 428 | 76 |
| 77 /* #### Ad-hoc hack. Should be part of define_lrecord_implementation */ | |
| 78 void | |
| 79 clear_event_resource (void) | |
| 80 { | |
| 81 Vevent_resource = Qnil; | |
| 82 } | |
| 83 | |
| 934 | 84 /* Make sure we lose quickly if we try to use this event */ |
| 85 static void | |
| 86 deinitialize_event (Lisp_Object ev) | |
| 87 { | |
| 88 Lisp_Event *event = XEVENT (ev); | |
| 3063 | 89 int i; |
| 90 /* Preserve the old UID for this event, for tracking it */ | |
| 91 unsigned int old_uid = event->lheader.uid; | |
| 934 | 92 |
| 1204 | 93 for (i = 0; i < (int) (sizeof (Lisp_Event) / sizeof (int)); i++) |
| 94 ((int *) event) [i] = 0xdeadbeef; /* -559038737 base 10 */ | |
| 95 set_lheader_implementation (&event->lheader, &lrecord_event); | |
| 3063 | 96 event->lheader.uid = old_uid; |
| 934 | 97 set_event_type (event, dead_event); |
| 98 SET_EVENT_CHANNEL (event, Qnil); | |
| 428 | 99 XSET_EVENT_NEXT (ev, Qnil); |
| 100 } | |
| 101 | |
| 102 /* Set everything to zero or nil so that it's predictable. */ | |
| 103 void | |
| 440 | 104 zero_event (Lisp_Event *e) |
| 428 | 105 { |
| 3063 | 106 /* Preserve the old UID for this event, for tracking it */ |
| 107 unsigned int old_uid = e->lheader.uid; | |
| 108 | |
| 428 | 109 xzero (*e); |
| 442 | 110 set_lheader_implementation (&e->lheader, &lrecord_event); |
| 3063 | 111 e->lheader.uid = old_uid; |
| 1204 | 112 set_event_type (e, empty_event); |
| 113 SET_EVENT_CHANNEL (e, Qnil); | |
| 114 SET_EVENT_NEXT (e, Qnil); | |
| 428 | 115 } |
| 116 | |
| 1204 | 117 static const struct memory_description key_data_description_1 [] = { |
| 118 { XD_LISP_OBJECT, offsetof (struct Lisp_Key_Data, keysym) }, | |
| 119 { XD_END } | |
| 120 }; | |
| 121 | |
| 122 static const struct sized_memory_description key_data_description = { | |
| 123 sizeof (Lisp_Key_Data), key_data_description_1 | |
| 124 }; | |
| 125 | |
| 126 static const struct memory_description button_data_description_1 [] = { | |
| 127 { XD_END } | |
| 128 }; | |
| 129 | |
| 130 static const struct sized_memory_description button_data_description = { | |
| 131 sizeof (Lisp_Button_Data), button_data_description_1 | |
| 132 }; | |
| 133 | |
| 134 static const struct memory_description motion_data_description_1 [] = { | |
| 135 { XD_END } | |
| 136 }; | |
| 137 | |
| 138 static const struct sized_memory_description motion_data_description = { | |
| 139 sizeof (Lisp_Motion_Data), motion_data_description_1 | |
| 140 }; | |
| 141 | |
| 142 static const struct memory_description process_data_description_1 [] = { | |
| 143 { XD_LISP_OBJECT, offsetof (struct Lisp_Process_Data, process) }, | |
| 144 { XD_END } | |
| 145 }; | |
| 146 | |
| 147 static const struct sized_memory_description process_data_description = { | |
| 148 sizeof (Lisp_Process_Data), process_data_description_1 | |
| 149 }; | |
| 150 | |
| 151 static const struct memory_description timeout_data_description_1 [] = { | |
| 152 { XD_LISP_OBJECT, offsetof (struct Lisp_Timeout_Data, function) }, | |
| 153 { XD_LISP_OBJECT, offsetof (struct Lisp_Timeout_Data, object) }, | |
| 154 { XD_END } | |
| 155 }; | |
| 156 | |
| 157 static const struct sized_memory_description timeout_data_description = { | |
| 158 sizeof (Lisp_Timeout_Data), timeout_data_description_1 | |
| 159 }; | |
| 160 | |
| 161 static const struct memory_description eval_data_description_1 [] = { | |
| 162 { XD_LISP_OBJECT, offsetof (struct Lisp_Eval_Data, function) }, | |
| 163 { XD_LISP_OBJECT, offsetof (struct Lisp_Eval_Data, object) }, | |
| 164 { XD_END } | |
| 165 }; | |
| 166 | |
| 167 static const struct sized_memory_description eval_data_description = { | |
| 168 sizeof (Lisp_Eval_Data), eval_data_description_1 | |
| 169 }; | |
| 170 | |
| 171 static const struct memory_description misc_user_data_description_1 [] = { | |
| 172 { XD_LISP_OBJECT, offsetof (struct Lisp_Misc_User_Data, function) }, | |
| 173 { XD_LISP_OBJECT, offsetof (struct Lisp_Misc_User_Data, object) }, | |
| 174 { XD_END } | |
| 175 }; | |
| 176 | |
| 177 static const struct sized_memory_description misc_user_data_description = { | |
| 178 sizeof (Lisp_Misc_User_Data), misc_user_data_description_1 | |
| 179 }; | |
| 180 | |
| 181 static const struct memory_description magic_eval_data_description_1 [] = { | |
| 182 { XD_LISP_OBJECT, offsetof (struct Lisp_Magic_Eval_Data, object) }, | |
| 183 { XD_END } | |
| 184 }; | |
| 185 | |
| 186 static const struct sized_memory_description magic_eval_data_description = { | |
| 187 sizeof (Lisp_Magic_Eval_Data), magic_eval_data_description_1 | |
| 188 }; | |
| 189 | |
| 190 static const struct memory_description magic_data_description_1 [] = { | |
| 191 { XD_END } | |
| 192 }; | |
| 193 | |
| 194 static const struct sized_memory_description magic_data_description = { | |
| 195 sizeof (Lisp_Magic_Data), magic_data_description_1 | |
| 196 }; | |
| 197 | |
| 198 static const struct memory_description event_data_description_1 [] = { | |
| 2551 | 199 { XD_BLOCK_ARRAY, key_press_event, 1, { &key_data_description } }, |
| 200 { XD_BLOCK_ARRAY, button_press_event, 1, { &button_data_description } }, | |
| 201 { XD_BLOCK_ARRAY, button_release_event, 1, { &button_data_description } }, | |
| 202 { XD_BLOCK_ARRAY, pointer_motion_event, 1, { &motion_data_description } }, | |
| 203 { XD_BLOCK_ARRAY, process_event, 1, { &process_data_description } }, | |
| 204 { XD_BLOCK_ARRAY, timeout_event, 1, { &timeout_data_description } }, | |
| 205 { XD_BLOCK_ARRAY, magic_event, 1, { &magic_data_description } }, | |
| 206 { XD_BLOCK_ARRAY, magic_eval_event, 1, { &magic_eval_data_description } }, | |
| 207 { XD_BLOCK_ARRAY, eval_event, 1, { &eval_data_description } }, | |
| 208 { XD_BLOCK_ARRAY, misc_user_event, 1, { &misc_user_data_description } }, | |
| 1204 | 209 { XD_END } |
| 210 }; | |
| 211 | |
| 212 static const struct sized_memory_description event_data_description = { | |
| 213 0, event_data_description_1 | |
| 214 }; | |
| 215 | |
| 216 static const struct memory_description event_description [] = { | |
| 217 { XD_INT, offsetof (struct Lisp_Event, event_type) }, | |
| 218 { XD_LISP_OBJECT, offsetof (struct Lisp_Event, next) }, | |
| 219 { XD_LISP_OBJECT, offsetof (struct Lisp_Event, channel) }, | |
| 220 { XD_UNION, offsetof (struct Lisp_Event, event), | |
| 2551 | 221 XD_INDIRECT (0, 0), { &event_data_description } }, |
| 1204 | 222 { XD_END } |
| 223 }; | |
| 224 | |
| 225 #ifdef EVENT_DATA_AS_OBJECTS | |
| 226 | |
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227 DEFINE_NODUMP_FROB_BLOCK_LISP_OBJECT ("key-data", key_data, |
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228 0, internal_object_printer, 0, 0, 0, |
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229 key_data_description, |
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230 Lisp_Key_Data); |
| 1204 | 231 |
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232 DEFINE_NODUMP_FROB_BLOCK_LISP_OBJECT ("button-data", button_data, |
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233 0, internal_object_printer, 0, 0, 0, |
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234 button_data_description, |
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235 Lisp_Button_Data); |
| 1204 | 236 |
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237 DEFINE_NODUMP_FROB_BLOCK_LISP_OBJECT ("motion-data", motion_data, |
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238 0, internal_object_printer, 0, 0, 0, |
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239 motion_data_description, |
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240 Lisp_Motion_Data); |
| 1204 | 241 |
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242 DEFINE_NODUMP_FROB_BLOCK_LISP_OBJECT ("process-data", process_data, |
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243 0, internal_object_printer, 0, 0, 0, |
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244 process_data_description, |
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245 Lisp_Process_Data); |
| 1204 | 246 |
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247 DEFINE_NODUMP_FROB_BLOCK_LISP_OBJECT ("timeout-data", timeout_data, |
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248 0, internal_object_printer, 0, 0, 0, |
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249 timeout_data_description, |
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250 Lisp_Timeout_Data); |
| 1204 | 251 |
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252 DEFINE_NODUMP_FROB_BLOCK_LISP_OBJECT ("eval-data", eval_data, |
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253 0, internal_object_printer, 0, 0, 0, |
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254 eval_data_description, |
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255 Lisp_Eval_Data); |
| 1204 | 256 |
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257 DEFINE_NODUMP_FROB_BLOCK_LISP_OBJECT ("misc-user-data", misc_user_data, |
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258 0, internal_object_printer, 0, 0, 0, |
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259 misc_user_data_description, |
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260 Lisp_Misc_User_Data); |
| 1204 | 261 |
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262 DEFINE_NODUMP_FROB_BLOCK_LISP_OBJECT ("magic-eval-data", magic_eval_data, |
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263 0, internal_object_printer, 0, 0, 0, |
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264 magic_eval_data_description, |
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265 Lisp_Magic_Eval_Data); |
| 1204 | 266 |
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267 DEFINE_NODUMP_FROB_BLOCK_LISP_OBJECT ("magic-data", magic_data, |
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268 0, internal_object_printer, 0, 0, 0, |
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269 magic_data_description, |
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270 Lisp_Magic_Data); |
| 1204 | 271 |
| 272 #endif /* EVENT_DATA_AS_OBJECTS */ | |
| 273 | |
| 428 | 274 static Lisp_Object |
| 275 mark_event (Lisp_Object obj) | |
| 276 { | |
| 440 | 277 Lisp_Event *event = XEVENT (obj); |
| 428 | 278 |
| 279 switch (event->event_type) | |
| 280 { | |
| 281 case key_press_event: | |
| 1204 | 282 mark_object (EVENT_KEY_KEYSYM (event)); |
| 428 | 283 break; |
| 284 case process_event: | |
| 1204 | 285 mark_object (EVENT_PROCESS_PROCESS (event)); |
| 428 | 286 break; |
| 287 case timeout_event: | |
| 1204 | 288 mark_object (EVENT_TIMEOUT_FUNCTION (event)); |
| 289 mark_object (EVENT_TIMEOUT_OBJECT (event)); | |
| 428 | 290 break; |
| 291 case eval_event: | |
| 292 case misc_user_event: | |
| 1204 | 293 mark_object (EVENT_EVAL_FUNCTION (event)); |
| 294 mark_object (EVENT_EVAL_OBJECT (event)); | |
| 428 | 295 break; |
| 296 case magic_eval_event: | |
| 1204 | 297 mark_object (EVENT_MAGIC_EVAL_OBJECT (event)); |
| 428 | 298 break; |
| 299 case button_press_event: | |
| 300 case button_release_event: | |
| 301 case pointer_motion_event: | |
| 302 case magic_event: | |
| 303 case empty_event: | |
| 304 case dead_event: | |
| 305 break; | |
| 306 default: | |
| 2500 | 307 ABORT (); |
| 428 | 308 } |
| 309 mark_object (event->channel); | |
| 310 return event->next; | |
| 311 } | |
| 312 | |
| 313 static void | |
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314 print_event_1 (const Ascbyte *str, Lisp_Object obj, Lisp_Object printcharfun) |
| 428 | 315 { |
| 793 | 316 DECLARE_EISTRING_MALLOC (ei); |
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317 write_ascstring (printcharfun, str); |
| 1204 | 318 format_event_object (ei, obj, 0); |
| 826 | 319 write_eistring (printcharfun, ei); |
| 793 | 320 eifree (ei); |
| 428 | 321 } |
| 322 | |
| 323 static void | |
| 2286 | 324 print_event (Lisp_Object obj, Lisp_Object printcharfun, |
| 325 int UNUSED (escapeflag)) | |
| 428 | 326 { |
| 327 if (print_readably) | |
| 563 | 328 printing_unreadable_object ("#<event>"); |
| 428 | 329 |
| 330 switch (XEVENT (obj)->event_type) | |
| 331 { | |
| 332 case key_press_event: | |
| 333 print_event_1 ("#<keypress-event ", obj, printcharfun); | |
| 334 break; | |
| 335 case button_press_event: | |
| 336 print_event_1 ("#<buttondown-event ", obj, printcharfun); | |
| 337 break; | |
| 338 case button_release_event: | |
| 339 print_event_1 ("#<buttonup-event ", obj, printcharfun); | |
| 340 break; | |
| 341 case magic_event: | |
| 342 case magic_eval_event: | |
| 343 print_event_1 ("#<magic-event ", obj, printcharfun); | |
| 344 break; | |
| 345 case pointer_motion_event: | |
| 346 { | |
| 347 Lisp_Object Vx, Vy; | |
| 348 Vx = Fevent_x_pixel (obj); | |
| 349 assert (INTP (Vx)); | |
| 350 Vy = Fevent_y_pixel (obj); | |
| 351 assert (INTP (Vy)); | |
| 793 | 352 write_fmt_string (printcharfun, "#<motion-event %ld, %ld", |
| 353 (long) XINT (Vx), (long) XINT (Vy)); | |
| 428 | 354 break; |
| 355 } | |
| 356 case process_event: | |
| 1204 | 357 write_fmt_string_lisp (printcharfun, "#<process-event %S", 1, |
| 358 XEVENT_PROCESS_PROCESS (obj)); | |
| 428 | 359 break; |
| 360 case timeout_event: | |
| 1204 | 361 write_fmt_string_lisp (printcharfun, "#<timeout-event %S", 1, |
| 362 XEVENT_TIMEOUT_OBJECT (obj)); | |
| 428 | 363 break; |
| 364 case empty_event: | |
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365 write_ascstring (printcharfun, "#<empty-event"); |
| 428 | 366 break; |
| 367 case misc_user_event: | |
| 1204 | 368 write_fmt_string_lisp (printcharfun, "#<misc-user-event (%S", 1, |
| 369 XEVENT_MISC_USER_FUNCTION (obj)); | |
| 370 write_fmt_string_lisp (printcharfun, " %S)", 1, | |
| 371 XEVENT_MISC_USER_OBJECT (obj)); | |
| 428 | 372 break; |
| 373 case eval_event: | |
| 1204 | 374 write_fmt_string_lisp (printcharfun, "#<eval-event (%S", 1, |
| 375 XEVENT_EVAL_FUNCTION (obj)); | |
| 376 write_fmt_string_lisp (printcharfun, " %S)", 1, | |
| 377 XEVENT_EVAL_OBJECT (obj)); | |
| 428 | 378 break; |
| 379 case dead_event: | |
|
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380 write_ascstring (printcharfun, "#<DEALLOCATED-EVENT"); |
| 428 | 381 break; |
| 382 default: | |
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383 write_ascstring (printcharfun, "#<UNKNOWN-EVENT-TYPE"); |
| 428 | 384 break; |
| 385 } | |
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386 write_ascstring (printcharfun, ">"); |
| 428 | 387 } |
| 388 | |
| 389 static int | |
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390 event_equal (Lisp_Object obj1, Lisp_Object obj2, int UNUSED (depth), |
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391 int UNUSED (foldcase)) |
| 428 | 392 { |
| 440 | 393 Lisp_Event *e1 = XEVENT (obj1); |
| 394 Lisp_Event *e2 = XEVENT (obj2); | |
| 428 | 395 |
| 396 if (e1->event_type != e2->event_type) return 0; | |
| 397 if (!EQ (e1->channel, e2->channel)) return 0; | |
| 398 /* if (e1->timestamp != e2->timestamp) return 0; */ | |
| 399 switch (e1->event_type) | |
| 400 { | |
| 2500 | 401 default: ABORT (); |
| 428 | 402 |
| 403 case process_event: | |
| 1204 | 404 return EQ (EVENT_PROCESS_PROCESS (e1), EVENT_PROCESS_PROCESS (e2)); |
| 428 | 405 |
| 406 case timeout_event: | |
| 1204 | 407 return (internal_equal (EVENT_TIMEOUT_FUNCTION (e1), |
| 408 EVENT_TIMEOUT_FUNCTION (e2), 0) && | |
| 409 internal_equal (EVENT_TIMEOUT_OBJECT (e1), | |
| 410 EVENT_TIMEOUT_OBJECT (e2), 0)); | |
| 428 | 411 |
| 412 case key_press_event: | |
| 1204 | 413 return (EQ (EVENT_KEY_KEYSYM (e1), EVENT_KEY_KEYSYM (e2)) && |
| 414 (EVENT_KEY_MODIFIERS (e1) == EVENT_KEY_MODIFIERS (e2))); | |
| 428 | 415 |
| 416 case button_press_event: | |
| 417 case button_release_event: | |
| 1204 | 418 return (EVENT_BUTTON_BUTTON (e1) == EVENT_BUTTON_BUTTON (e2) && |
| 419 EVENT_BUTTON_MODIFIERS (e1) == EVENT_BUTTON_MODIFIERS (e2)); | |
| 428 | 420 |
| 421 case pointer_motion_event: | |
| 1204 | 422 return (EVENT_MOTION_X (e1) == EVENT_MOTION_X (e2) && |
| 423 EVENT_MOTION_Y (e1) == EVENT_MOTION_Y (e2)); | |
| 428 | 424 |
| 425 case misc_user_event: | |
| 1204 | 426 return (internal_equal (EVENT_EVAL_FUNCTION (e1), |
| 427 EVENT_EVAL_FUNCTION (e2), 0) && | |
| 428 internal_equal (EVENT_EVAL_OBJECT (e1), | |
| 429 EVENT_EVAL_OBJECT (e2), 0) && | |
| 430 /* #### is this really needed for equality | |
| 428 | 431 or is x and y also important? */ |
| 1204 | 432 EVENT_MISC_USER_BUTTON (e1) == EVENT_MISC_USER_BUTTON (e2) && |
| 433 EVENT_MISC_USER_MODIFIERS (e1) == EVENT_MISC_USER_MODIFIERS (e2)); | |
| 428 | 434 |
| 435 case eval_event: | |
| 1204 | 436 return (internal_equal (EVENT_EVAL_FUNCTION (e1), |
| 437 EVENT_EVAL_FUNCTION (e2), 0) && | |
| 438 internal_equal (EVENT_EVAL_OBJECT (e1), | |
| 439 EVENT_EVAL_OBJECT (e2), 0)); | |
| 428 | 440 |
| 441 case magic_eval_event: | |
| 1204 | 442 return (EVENT_MAGIC_EVAL_INTERNAL_FUNCTION (e1) == |
| 443 EVENT_MAGIC_EVAL_INTERNAL_FUNCTION (e2) && | |
| 444 internal_equal (EVENT_MAGIC_EVAL_OBJECT (e1), | |
| 445 EVENT_MAGIC_EVAL_OBJECT (e2), 0)); | |
| 428 | 446 |
| 447 case magic_event: | |
| 788 | 448 return event_stream_compare_magic_event (e1, e2); |
| 428 | 449 |
| 450 case empty_event: /* Empty and deallocated events are equal. */ | |
| 451 case dead_event: | |
| 452 return 1; | |
| 453 } | |
| 454 } | |
| 455 | |
| 665 | 456 static Hashcode |
| 428 | 457 event_hash (Lisp_Object obj, int depth) |
| 458 { | |
| 440 | 459 Lisp_Event *e = XEVENT (obj); |
| 665 | 460 Hashcode hash; |
| 428 | 461 |
| 462 hash = HASH2 (e->event_type, LISP_HASH (e->channel)); | |
| 463 switch (e->event_type) | |
| 464 { | |
| 465 case process_event: | |
| 1204 | 466 return HASH2 (hash, LISP_HASH (EVENT_PROCESS_PROCESS (e))); |
| 428 | 467 |
| 468 case timeout_event: | |
| 1204 | 469 return HASH3 (hash, |
| 470 internal_hash (EVENT_TIMEOUT_FUNCTION (e), depth + 1), | |
| 471 internal_hash (EVENT_TIMEOUT_OBJECT (e), depth + 1)); | |
| 428 | 472 |
| 473 case key_press_event: | |
| 1204 | 474 return HASH3 (hash, LISP_HASH (EVENT_KEY_KEYSYM (e)), |
| 475 EVENT_KEY_MODIFIERS (e)); | |
| 428 | 476 |
| 477 case button_press_event: | |
| 478 case button_release_event: | |
| 1204 | 479 return HASH3 (hash, EVENT_BUTTON_BUTTON (e), EVENT_BUTTON_MODIFIERS (e)); |
| 428 | 480 |
| 481 case pointer_motion_event: | |
| 1204 | 482 return HASH3 (hash, EVENT_MOTION_X (e), EVENT_MOTION_Y (e)); |
| 428 | 483 |
| 484 case misc_user_event: | |
| 1204 | 485 return HASH5 (hash, |
| 486 internal_hash (EVENT_MISC_USER_FUNCTION (e), depth + 1), | |
| 487 internal_hash (EVENT_MISC_USER_OBJECT (e), depth + 1), | |
| 488 EVENT_MISC_USER_BUTTON (e), EVENT_MISC_USER_MODIFIERS (e)); | |
| 428 | 489 |
| 490 case eval_event: | |
| 1204 | 491 return HASH3 (hash, internal_hash (EVENT_EVAL_FUNCTION (e), depth + 1), |
| 492 internal_hash (EVENT_EVAL_OBJECT (e), depth + 1)); | |
| 428 | 493 |
| 494 case magic_eval_event: | |
| 495 return HASH3 (hash, | |
| 1204 | 496 (Hashcode) EVENT_MAGIC_EVAL_INTERNAL_FUNCTION (e), |
| 497 internal_hash (EVENT_MAGIC_EVAL_OBJECT (e), depth + 1)); | |
| 428 | 498 |
| 499 case magic_event: | |
| 788 | 500 return HASH2 (hash, event_stream_hash_magic_event (e)); |
| 428 | 501 |
| 502 case empty_event: | |
| 503 case dead_event: | |
| 504 return hash; | |
| 505 | |
| 506 default: | |
| 2500 | 507 ABORT (); |
| 428 | 508 } |
| 509 | |
| 510 return 0; /* unreached */ | |
| 511 } | |
| 934 | 512 |
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513 DEFINE_NODUMP_FROB_BLOCK_LISP_OBJECT ("event", event, |
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514 mark_event, print_event, 0, |
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515 event_equal, event_hash, |
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516 event_description, |
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517 Lisp_Event); |
| 428 | 518 |
| 519 DEFUN ("make-event", Fmake_event, 0, 2, 0, /* | |
| 520 Return a new event of type TYPE, with properties described by PLIST. | |
| 521 | |
| 522 TYPE is a symbol, either `empty', `key-press', `button-press', | |
| 523 `button-release', `misc-user' or `motion'. If TYPE is nil, it | |
| 524 defaults to `empty'. | |
| 525 | |
| 526 PLIST is a property list, the properties being compatible to those | |
| 527 returned by `event-properties'. The following properties are | |
| 528 allowed: | |
| 529 | |
| 530 channel -- The event channel, a frame or a console. For | |
| 531 button-press, button-release, misc-user and motion events, | |
| 532 this must be a frame. For key-press events, it must be | |
| 533 a console. If channel is unspecified, it will be set to | |
| 534 the selected frame or selected console, as appropriate. | |
| 535 key -- The event key, a symbol or character. Allowed only for | |
| 536 keypress events. | |
| 537 button -- The event button, integer 1, 2 or 3. Allowed for | |
| 538 button-press, button-release and misc-user events. | |
| 539 modifiers -- The event modifiers, a list of modifier symbols. Allowed | |
| 540 for key-press, button-press, button-release, motion and | |
| 541 misc-user events. | |
| 542 function -- Function. Allowed for misc-user events only. | |
| 543 object -- An object, function's parameter. Allowed for misc-user | |
| 544 events only. | |
| 545 x -- The event X coordinate, an integer. This is relative | |
| 546 to the left of CHANNEL's root window. Allowed for | |
| 547 motion, button-press, button-release and misc-user events. | |
| 548 y -- The event Y coordinate, an integer. This is relative | |
| 549 to the top of CHANNEL's root window. Allowed for | |
| 550 motion, button-press, button-release and misc-user events. | |
| 551 timestamp -- The event timestamp, a non-negative integer. Allowed for | |
| 552 all types of events. If unspecified, it will be set to 0 | |
| 553 by default. | |
| 554 | |
| 555 For event type `empty', PLIST must be nil. | |
| 556 `button-release', or `motion'. If TYPE is left out, it defaults to | |
| 557 `empty'. | |
| 558 PLIST is a list of properties, as returned by `event-properties'. Not | |
| 559 all properties are allowed for all kinds of events, and some are | |
| 560 required. | |
| 561 | |
| 562 WARNING: the event object returned may be a reused one; see the function | |
| 563 `deallocate-event'. | |
| 564 */ | |
| 565 (type, plist)) | |
| 566 { | |
| 567 Lisp_Object event = Qnil; | |
| 440 | 568 Lisp_Event *e; |
| 428 | 569 EMACS_INT coord_x = 0, coord_y = 0; |
| 570 struct gcpro gcpro1; | |
| 571 | |
| 572 GCPRO1 (event); | |
| 573 | |
| 574 if (NILP (type)) | |
| 575 type = Qempty; | |
| 576 | |
| 577 if (!NILP (Vevent_resource)) | |
| 578 { | |
| 579 event = Vevent_resource; | |
| 580 Vevent_resource = XEVENT_NEXT (event); | |
| 581 } | |
| 582 else | |
| 583 { | |
| 584 event = allocate_event (); | |
| 585 } | |
| 586 e = XEVENT (event); | |
| 587 zero_event (e); | |
| 588 | |
| 589 if (EQ (type, Qempty)) | |
| 590 { | |
| 591 /* For empty event, we return immediately, without processing | |
| 592 PLIST. In fact, processing PLIST would be wrong, because the | |
| 593 sanitizing process would fill in the properties | |
| 594 (e.g. CHANNEL), which we don't want in empty events. */ | |
| 934 | 595 set_event_type (e, empty_event); |
| 428 | 596 if (!NILP (plist)) |
| 563 | 597 invalid_operation ("Cannot set properties of empty event", plist); |
| 428 | 598 UNGCPRO; |
| 599 return event; | |
| 600 } | |
| 601 else if (EQ (type, Qkey_press)) | |
| 602 { | |
| 934 | 603 set_event_type (e, key_press_event); |
| 1204 | 604 SET_EVENT_KEY_KEYSYM (e, Qunbound); |
| 428 | 605 } |
| 606 else if (EQ (type, Qbutton_press)) | |
| 934 | 607 set_event_type (e, button_press_event); |
| 428 | 608 else if (EQ (type, Qbutton_release)) |
| 934 | 609 set_event_type (e, button_release_event); |
| 428 | 610 else if (EQ (type, Qmotion)) |
| 934 | 611 set_event_type (e, pointer_motion_event); |
| 428 | 612 else if (EQ (type, Qmisc_user)) |
| 613 { | |
| 934 | 614 set_event_type (e, misc_user_event); |
| 1204 | 615 SET_EVENT_MISC_USER_FUNCTION (e, Qnil); |
| 616 SET_EVENT_MISC_USER_OBJECT (e, Qnil); | |
| 428 | 617 } |
| 618 else | |
| 619 { | |
| 620 /* Not allowed: Qprocess, Qtimeout, Qmagic, Qeval, Qmagic_eval. */ | |
| 563 | 621 invalid_constant ("Invalid event type", type); |
| 428 | 622 } |
| 623 | |
| 624 EVENT_CHANNEL (e) = Qnil; | |
| 625 | |
| 626 plist = Fcopy_sequence (plist); | |
| 627 Fcanonicalize_plist (plist, Qnil); | |
| 628 | |
| 442 | 629 #define WRONG_EVENT_TYPE_FOR_PROPERTY(event_type, prop) \ |
| 563 | 630 invalid_argument_2 ("Invalid property for event type", prop, event_type) |
| 428 | 631 |
| 442 | 632 { |
| 633 EXTERNAL_PROPERTY_LIST_LOOP_3 (keyword, value, plist) | |
| 634 { | |
| 635 if (EQ (keyword, Qchannel)) | |
| 636 { | |
| 1204 | 637 if (EVENT_TYPE (e) == key_press_event) |
| 442 | 638 { |
| 639 if (!CONSOLEP (value)) | |
| 640 value = wrong_type_argument (Qconsolep, value); | |
| 641 } | |
| 642 else | |
| 643 { | |
| 644 if (!FRAMEP (value)) | |
| 645 value = wrong_type_argument (Qframep, value); | |
| 646 } | |
| 647 EVENT_CHANNEL (e) = value; | |
| 648 } | |
| 649 else if (EQ (keyword, Qkey)) | |
| 650 { | |
| 1204 | 651 switch (EVENT_TYPE (e)) |
| 442 | 652 { |
| 653 case key_press_event: | |
| 654 if (!SYMBOLP (value) && !CHARP (value)) | |
| 563 | 655 invalid_argument ("Invalid event key", value); |
| 1204 | 656 SET_EVENT_KEY_KEYSYM (e, value); |
| 442 | 657 break; |
| 658 default: | |
| 659 WRONG_EVENT_TYPE_FOR_PROPERTY (type, keyword); | |
| 660 break; | |
| 661 } | |
| 662 } | |
| 663 else if (EQ (keyword, Qbutton)) | |
| 664 { | |
| 665 CHECK_NATNUM (value); | |
| 666 check_int_range (XINT (value), 0, 7); | |
| 428 | 667 |
| 1204 | 668 switch (EVENT_TYPE (e)) |
| 442 | 669 { |
| 670 case button_press_event: | |
| 671 case button_release_event: | |
| 1204 | 672 SET_EVENT_BUTTON_BUTTON (e, XINT (value)); |
| 442 | 673 break; |
| 674 case misc_user_event: | |
| 1204 | 675 SET_EVENT_MISC_USER_BUTTON (e, XINT (value)); |
| 442 | 676 break; |
| 677 default: | |
| 678 WRONG_EVENT_TYPE_FOR_PROPERTY (type, keyword); | |
| 679 break; | |
| 680 } | |
| 681 } | |
| 682 else if (EQ (keyword, Qmodifiers)) | |
| 683 { | |
| 684 int modifiers = 0; | |
| 428 | 685 |
| 442 | 686 EXTERNAL_LIST_LOOP_2 (sym, value) |
| 687 { | |
| 688 if (EQ (sym, Qcontrol)) modifiers |= XEMACS_MOD_CONTROL; | |
| 689 else if (EQ (sym, Qmeta)) modifiers |= XEMACS_MOD_META; | |
| 690 else if (EQ (sym, Qsuper)) modifiers |= XEMACS_MOD_SUPER; | |
| 691 else if (EQ (sym, Qhyper)) modifiers |= XEMACS_MOD_HYPER; | |
| 692 else if (EQ (sym, Qalt)) modifiers |= XEMACS_MOD_ALT; | |
| 693 else if (EQ (sym, Qsymbol)) modifiers |= XEMACS_MOD_ALT; | |
| 694 else if (EQ (sym, Qshift)) modifiers |= XEMACS_MOD_SHIFT; | |
| 695 else if (EQ (sym, Qbutton1)) modifiers |= XEMACS_MOD_BUTTON1; | |
| 696 else if (EQ (sym, Qbutton2)) modifiers |= XEMACS_MOD_BUTTON2; | |
| 697 else if (EQ (sym, Qbutton3)) modifiers |= XEMACS_MOD_BUTTON3; | |
| 698 else if (EQ (sym, Qbutton4)) modifiers |= XEMACS_MOD_BUTTON4; | |
| 699 else if (EQ (sym, Qbutton5)) modifiers |= XEMACS_MOD_BUTTON5; | |
| 700 else | |
| 563 | 701 invalid_constant ("Invalid key modifier", sym); |
| 442 | 702 } |
| 428 | 703 |
| 1204 | 704 switch (EVENT_TYPE (e)) |
| 442 | 705 { |
| 706 case key_press_event: | |
| 1204 | 707 SET_EVENT_KEY_MODIFIERS (e, modifiers); |
| 442 | 708 break; |
| 709 case button_press_event: | |
| 710 case button_release_event: | |
| 1204 | 711 SET_EVENT_BUTTON_MODIFIERS (e, modifiers); |
| 442 | 712 break; |
| 713 case pointer_motion_event: | |
| 1204 | 714 SET_EVENT_MOTION_MODIFIERS (e, modifiers); |
| 442 | 715 break; |
| 716 case misc_user_event: | |
| 1204 | 717 SET_EVENT_MISC_USER_MODIFIERS (e, modifiers); |
| 442 | 718 break; |
| 719 default: | |
| 720 WRONG_EVENT_TYPE_FOR_PROPERTY (type, keyword); | |
| 721 break; | |
| 722 } | |
| 723 } | |
| 724 else if (EQ (keyword, Qx)) | |
| 725 { | |
| 1204 | 726 switch (EVENT_TYPE (e)) |
| 442 | 727 { |
| 728 case pointer_motion_event: | |
| 729 case button_press_event: | |
| 730 case button_release_event: | |
| 731 case misc_user_event: | |
| 732 /* Allow negative values, so we can specify toolbar | |
| 733 positions. */ | |
| 734 CHECK_INT (value); | |
| 735 coord_x = XINT (value); | |
| 736 break; | |
| 737 default: | |
| 738 WRONG_EVENT_TYPE_FOR_PROPERTY (type, keyword); | |
| 739 break; | |
| 740 } | |
| 741 } | |
| 742 else if (EQ (keyword, Qy)) | |
| 743 { | |
| 1204 | 744 switch (EVENT_TYPE (e)) |
| 442 | 745 { |
| 746 case pointer_motion_event: | |
| 747 case button_press_event: | |
| 748 case button_release_event: | |
| 749 case misc_user_event: | |
| 750 /* Allow negative values; see above. */ | |
| 751 CHECK_INT (value); | |
| 752 coord_y = XINT (value); | |
| 753 break; | |
| 754 default: | |
| 755 WRONG_EVENT_TYPE_FOR_PROPERTY (type, keyword); | |
| 756 break; | |
| 757 } | |
| 758 } | |
| 759 else if (EQ (keyword, Qtimestamp)) | |
| 760 { | |
| 761 CHECK_NATNUM (value); | |
| 934 | 762 SET_EVENT_TIMESTAMP (e, XINT (value)); |
| 442 | 763 } |
| 764 else if (EQ (keyword, Qfunction)) | |
| 765 { | |
| 1204 | 766 switch (EVENT_TYPE (e)) |
| 442 | 767 { |
| 768 case misc_user_event: | |
| 1204 | 769 SET_EVENT_MISC_USER_FUNCTION (e, value); |
| 442 | 770 break; |
| 771 default: | |
| 772 WRONG_EVENT_TYPE_FOR_PROPERTY (type, keyword); | |
| 773 break; | |
| 774 } | |
| 775 } | |
| 776 else if (EQ (keyword, Qobject)) | |
| 777 { | |
| 1204 | 778 switch (EVENT_TYPE (e)) |
| 442 | 779 { |
| 780 case misc_user_event: | |
| 1204 | 781 SET_EVENT_MISC_USER_OBJECT (e, value); |
| 442 | 782 break; |
| 783 default: | |
| 784 WRONG_EVENT_TYPE_FOR_PROPERTY (type, keyword); | |
| 785 break; | |
| 786 } | |
| 787 } | |
| 788 else | |
| 563 | 789 invalid_constant_2 ("Invalid property", keyword, value); |
| 442 | 790 } |
| 791 } | |
| 428 | 792 |
| 793 /* Insert the channel, if missing. */ | |
| 794 if (NILP (EVENT_CHANNEL (e))) | |
| 795 { | |
| 934 | 796 if (EVENT_TYPE (e) == key_press_event) |
| 428 | 797 EVENT_CHANNEL (e) = Vselected_console; |
| 798 else | |
| 799 EVENT_CHANNEL (e) = Fselected_frame (Qnil); | |
| 800 } | |
| 801 | |
| 802 /* Fevent_properties, Fevent_x_pixel, etc. work with pixels relative | |
| 803 to the frame, so we must adjust accordingly. */ | |
| 804 if (FRAMEP (EVENT_CHANNEL (e))) | |
| 805 { | |
| 806 coord_x += FRAME_REAL_LEFT_TOOLBAR_WIDTH (XFRAME (EVENT_CHANNEL (e))); | |
| 807 coord_y += FRAME_REAL_TOP_TOOLBAR_HEIGHT (XFRAME (EVENT_CHANNEL (e))); | |
| 808 | |
| 809 switch (e->event_type) | |
| 810 { | |
| 811 case pointer_motion_event: | |
| 1204 | 812 SET_EVENT_MOTION_X (e, coord_x); |
| 813 SET_EVENT_MOTION_Y (e, coord_y); | |
| 428 | 814 break; |
| 815 case button_press_event: | |
| 816 case button_release_event: | |
| 1204 | 817 SET_EVENT_BUTTON_X (e, coord_x); |
| 818 SET_EVENT_BUTTON_Y (e, coord_y); | |
| 428 | 819 break; |
| 820 case misc_user_event: | |
| 1204 | 821 SET_EVENT_MISC_USER_X (e, coord_x); |
| 822 SET_EVENT_MISC_USER_Y (e, coord_y); | |
| 428 | 823 break; |
| 824 default: | |
| 2500 | 825 ABORT (); |
| 428 | 826 } |
| 827 } | |
| 828 | |
| 829 /* Finally, do some more validation. */ | |
| 1204 | 830 switch (EVENT_TYPE (e)) |
| 428 | 831 { |
| 832 case key_press_event: | |
| 1204 | 833 if (UNBOUNDP (EVENT_KEY_KEYSYM (e))) |
| 563 | 834 sferror ("A key must be specified to make a keypress event", |
| 442 | 835 plist); |
| 428 | 836 break; |
| 837 case button_press_event: | |
| 1204 | 838 if (!EVENT_BUTTON_BUTTON (e)) |
| 563 | 839 sferror |
| 442 | 840 ("A button must be specified to make a button-press event", |
| 841 plist); | |
| 428 | 842 break; |
| 843 case button_release_event: | |
| 1204 | 844 if (!EVENT_BUTTON_BUTTON (e)) |
| 563 | 845 sferror |
| 442 | 846 ("A button must be specified to make a button-release event", |
| 847 plist); | |
| 428 | 848 break; |
| 849 case misc_user_event: | |
| 1204 | 850 if (NILP (EVENT_MISC_USER_FUNCTION (e))) |
| 563 | 851 sferror ("A function must be specified to make a misc-user event", |
| 442 | 852 plist); |
| 428 | 853 break; |
| 854 default: | |
| 855 break; | |
| 856 } | |
| 857 | |
| 858 UNGCPRO; | |
| 859 return event; | |
| 860 } | |
| 861 | |
| 862 DEFUN ("deallocate-event", Fdeallocate_event, 1, 1, 0, /* | |
| 863 Allow the given event structure to be reused. | |
| 864 You MUST NOT use this event object after calling this function with it. | |
| 865 You will lose. It is not necessary to call this function, as event | |
| 866 objects are garbage-collected like all other objects; however, it may | |
| 867 be more efficient to explicitly deallocate events when you are sure | |
| 868 that it is safe to do so. | |
| 869 */ | |
| 870 (event)) | |
| 871 { | |
| 872 CHECK_EVENT (event); | |
| 873 | |
| 874 if (XEVENT_TYPE (event) == dead_event) | |
| 563 | 875 invalid_argument ("this event is already deallocated!", Qunbound); |
| 428 | 876 |
| 877 assert (XEVENT_TYPE (event) <= last_event_type); | |
| 878 | |
| 879 #if 0 | |
| 880 { | |
| 881 int i, len; | |
| 882 | |
| 883 if (EQ (event, Vlast_command_event) || | |
| 884 EQ (event, Vlast_input_event) || | |
| 885 EQ (event, Vunread_command_event)) | |
| 2500 | 886 ABORT (); |
| 428 | 887 |
| 888 len = XVECTOR_LENGTH (Vthis_command_keys); | |
| 889 for (i = 0; i < len; i++) | |
| 890 if (EQ (event, XVECTOR_DATA (Vthis_command_keys) [i])) | |
| 2500 | 891 ABORT (); |
| 428 | 892 if (!NILP (Vrecent_keys_ring)) |
| 893 { | |
| 894 int recent_ring_len = XVECTOR_LENGTH (Vrecent_keys_ring); | |
| 895 for (i = 0; i < recent_ring_len; i++) | |
| 896 if (EQ (event, XVECTOR_DATA (Vrecent_keys_ring) [i])) | |
| 2500 | 897 ABORT (); |
| 428 | 898 } |
| 899 } | |
| 900 #endif /* 0 */ | |
| 901 | |
| 902 assert (!EQ (event, Vevent_resource)); | |
| 903 deinitialize_event (event); | |
| 904 #ifndef ALLOC_NO_POOLS | |
| 905 XSET_EVENT_NEXT (event, Vevent_resource); | |
| 906 Vevent_resource = event; | |
| 907 #endif | |
| 908 return Qnil; | |
| 909 } | |
| 910 | |
| 911 DEFUN ("copy-event", Fcopy_event, 1, 2, 0, /* | |
| 444 | 912 Make a copy of the event object EVENT1. |
| 913 If a second event argument EVENT2 is given, EVENT1 is copied into | |
| 914 EVENT2 and EVENT2 is returned. If EVENT2 is not supplied (or is nil) | |
| 915 then a new event will be made as with `make-event'. See also the | |
| 916 function `deallocate-event'. | |
| 428 | 917 */ |
| 918 (event1, event2)) | |
| 919 { | |
| 920 CHECK_LIVE_EVENT (event1); | |
| 921 if (NILP (event2)) | |
| 922 event2 = Fmake_event (Qnil, Qnil); | |
| 430 | 923 else |
| 924 { | |
| 925 CHECK_LIVE_EVENT (event2); | |
| 926 if (EQ (event1, event2)) | |
| 563 | 927 return signal_continuable_error_2 |
| 928 (Qinvalid_argument, | |
| 929 "copy-event called with `eq' events", event1, event2); | |
| 430 | 930 } |
| 428 | 931 |
| 932 assert (XEVENT_TYPE (event1) <= last_event_type); | |
| 933 assert (XEVENT_TYPE (event2) <= last_event_type); | |
| 934 | |
| 934 | 935 XSET_EVENT_TYPE (event2, XEVENT_TYPE (event1)); |
| 936 XSET_EVENT_CHANNEL (event2, XEVENT_CHANNEL (event1)); | |
| 937 XSET_EVENT_TIMESTAMP (event2, XEVENT_TIMESTAMP (event1)); | |
| 1204 | 938 |
| 939 #ifdef EVENT_DATA_AS_OBJECTS | |
| 940 copy_lisp_object (XEVENT_DATA (event2), XEVENT_DATA (event1)); | |
| 941 #else | |
| 942 XEVENT (event2)->event = XEVENT (event1)->event; | |
| 943 #endif | |
| 934 | 944 return event2; |
| 428 | 945 } |
| 946 | |
| 947 | |
| 771 | 948 /************************************************************************/ |
| 949 /* event chain functions */ | |
| 950 /************************************************************************/ | |
| 428 | 951 |
| 952 /* Given a chain of events (or possibly nil), deallocate them all. */ | |
| 953 | |
| 954 void | |
| 955 deallocate_event_chain (Lisp_Object event_chain) | |
| 956 { | |
| 957 while (!NILP (event_chain)) | |
| 958 { | |
| 959 Lisp_Object next = XEVENT_NEXT (event_chain); | |
| 960 Fdeallocate_event (event_chain); | |
| 961 event_chain = next; | |
| 962 } | |
| 963 } | |
| 964 | |
| 965 /* Return the last event in a chain. | |
| 966 NOTE: You cannot pass nil as a value here! The routine will | |
| 967 abort if you do. */ | |
| 968 | |
| 969 Lisp_Object | |
| 970 event_chain_tail (Lisp_Object event_chain) | |
| 971 { | |
| 972 while (1) | |
| 973 { | |
| 974 Lisp_Object next = XEVENT_NEXT (event_chain); | |
| 975 if (NILP (next)) | |
| 976 return event_chain; | |
| 977 event_chain = next; | |
| 978 } | |
| 979 } | |
| 980 | |
| 981 /* Enqueue a single event onto the end of a chain of events. | |
| 982 HEAD points to the first event in the chain, TAIL to the last event. | |
| 983 If the chain is empty, both values should be nil. */ | |
| 984 | |
| 985 void | |
| 986 enqueue_event (Lisp_Object event, Lisp_Object *head, Lisp_Object *tail) | |
| 987 { | |
| 988 assert (NILP (XEVENT_NEXT (event))); | |
| 989 assert (!EQ (*tail, event)); | |
| 990 | |
| 991 if (!NILP (*tail)) | |
| 992 XSET_EVENT_NEXT (*tail, event); | |
| 993 else | |
| 994 *head = event; | |
| 995 *tail = event; | |
| 996 | |
| 997 assert (!EQ (event, XEVENT_NEXT (event))); | |
| 998 } | |
| 999 | |
| 1000 /* Remove an event off the head of a chain of events and return it. | |
| 1001 HEAD points to the first event in the chain, TAIL to the last event. */ | |
| 1002 | |
| 1003 Lisp_Object | |
| 1004 dequeue_event (Lisp_Object *head, Lisp_Object *tail) | |
| 1005 { | |
| 1006 Lisp_Object event; | |
| 1007 | |
| 1008 event = *head; | |
| 1009 *head = XEVENT_NEXT (event); | |
| 1010 XSET_EVENT_NEXT (event, Qnil); | |
| 1011 if (NILP (*head)) | |
| 1012 *tail = Qnil; | |
| 1013 return event; | |
| 1014 } | |
| 1015 | |
| 1016 /* Enqueue a chain of events (or possibly nil) onto the end of another | |
| 1017 chain of events. HEAD points to the first event in the chain being | |
| 1018 queued onto, TAIL to the last event. If the chain is empty, both values | |
| 1019 should be nil. */ | |
| 1020 | |
| 1021 void | |
| 1022 enqueue_event_chain (Lisp_Object event_chain, Lisp_Object *head, | |
| 1023 Lisp_Object *tail) | |
| 1024 { | |
| 1025 if (NILP (event_chain)) | |
| 1026 return; | |
| 1027 | |
| 1028 if (NILP (*head)) | |
| 1029 { | |
| 1030 *head = event_chain; | |
| 1031 *tail = event_chain; | |
| 1032 } | |
| 1033 else | |
| 1034 { | |
| 1035 XSET_EVENT_NEXT (*tail, event_chain); | |
| 1036 *tail = event_chain_tail (event_chain); | |
| 1037 } | |
| 1038 } | |
| 1039 | |
| 1204 | 1040 /* Map a function over each event in the chain. If the function returns |
| 1041 non-zero, remove the event just processed. Return the total number of | |
| 1042 items removed. | |
| 1043 | |
| 1044 NOTE: | |
| 1045 | |
| 1046 If you want a simple mapping over an event chain, with no intention to | |
| 1047 add or remove items, just use EVENT_CHAIN_LOOP(). | |
| 1048 */ | |
| 1049 | |
| 1050 int | |
| 1051 map_event_chain_remove (int (*fn) (Lisp_Object ev, void *user_data), | |
| 1052 Lisp_Object *head, Lisp_Object *tail, | |
| 1053 void *user_data, int flags) | |
| 1054 { | |
| 1055 Lisp_Object event; | |
| 1056 Lisp_Object previous_event = Qnil; | |
| 1057 int count = 0; | |
| 1058 | |
| 1059 EVENT_CHAIN_LOOP (event, *head) | |
| 1060 { | |
| 1061 if (fn (event, user_data)) | |
| 1062 { | |
| 1063 if (NILP (previous_event)) | |
| 1064 dequeue_event (head, tail); | |
| 1065 else | |
| 1066 { | |
| 1067 XSET_EVENT_NEXT (previous_event, XEVENT_NEXT (event)); | |
| 1068 if (EQ (*tail, event)) | |
| 1069 *tail = previous_event; | |
| 1070 } | |
| 1071 | |
| 1072 if (flags & MECR_DEALLOCATE_EVENT) | |
| 1073 Fdeallocate_event (event); | |
| 1074 count++; | |
| 1075 } | |
| 1076 else | |
| 1077 previous_event = event; | |
| 1078 } | |
| 1079 return count; | |
| 1080 } | |
| 1081 | |
| 428 | 1082 /* Return the number of events (possibly 0) on an event chain. */ |
| 1083 | |
| 1084 int | |
| 1085 event_chain_count (Lisp_Object event_chain) | |
| 1086 { | |
| 1087 Lisp_Object event; | |
| 1088 int n = 0; | |
| 1089 | |
| 1090 EVENT_CHAIN_LOOP (event, event_chain) | |
| 1091 n++; | |
| 1092 | |
| 1093 return n; | |
| 1094 } | |
| 1095 | |
| 1096 /* Find the event before EVENT in an event chain. This aborts | |
| 1097 if the event is not in the chain. */ | |
| 1098 | |
| 1099 Lisp_Object | |
| 1100 event_chain_find_previous (Lisp_Object event_chain, Lisp_Object event) | |
| 1101 { | |
| 1102 Lisp_Object previous = Qnil; | |
| 1103 | |
| 1104 while (!NILP (event_chain)) | |
| 1105 { | |
| 1106 if (EQ (event_chain, event)) | |
| 1107 return previous; | |
| 1108 previous = event_chain; | |
| 1109 event_chain = XEVENT_NEXT (event_chain); | |
| 1110 } | |
| 1111 | |
| 2500 | 1112 ABORT (); |
| 428 | 1113 return Qnil; |
| 1114 } | |
| 1115 | |
| 1116 Lisp_Object | |
| 1117 event_chain_nth (Lisp_Object event_chain, int n) | |
| 1118 { | |
| 1119 Lisp_Object event; | |
| 1120 EVENT_CHAIN_LOOP (event, event_chain) | |
| 1121 { | |
| 1122 if (!n) | |
| 1123 return event; | |
| 1124 n--; | |
| 1125 } | |
| 1126 return Qnil; | |
| 1127 } | |
| 1128 | |
| 771 | 1129 /* Return a freshly allocated copy of all events in the given chain. */ |
| 1130 | |
| 428 | 1131 Lisp_Object |
| 1132 copy_event_chain (Lisp_Object event_chain) | |
| 1133 { | |
| 1134 Lisp_Object new_chain = Qnil; | |
| 1135 Lisp_Object new_chain_tail = Qnil; | |
| 1136 Lisp_Object event; | |
| 1137 | |
| 1138 EVENT_CHAIN_LOOP (event, event_chain) | |
| 1139 { | |
| 1140 Lisp_Object copy = Fcopy_event (event, Qnil); | |
| 1141 enqueue_event (copy, &new_chain, &new_chain_tail); | |
| 1142 } | |
| 1143 | |
| 1144 return new_chain; | |
| 1145 } | |
| 1146 | |
| 771 | 1147 /* Given a pointer (maybe nil) into an old chain (also maybe nil, if |
| 1148 pointer is nil) and a new chain which is a copy of the old, return | |
| 1149 the corresponding new pointer. */ | |
| 1150 Lisp_Object | |
| 1151 transfer_event_chain_pointer (Lisp_Object pointer, Lisp_Object old_chain, | |
| 1152 Lisp_Object new_chain) | |
| 1153 { | |
| 1154 if (NILP (pointer)) | |
| 1155 return Qnil; | |
| 1156 assert (!NILP (old_chain)); | |
| 800 | 1157 #ifdef ERROR_CHECK_STRUCTURES |
| 771 | 1158 /* make sure we're actually in the chain */ |
| 1159 event_chain_find_previous (old_chain, pointer); | |
| 1160 assert (event_chain_count (old_chain) == event_chain_count (new_chain)); | |
| 800 | 1161 #endif /* ERROR_CHECK_STRUCTURES */ |
| 771 | 1162 return event_chain_nth (new_chain, |
| 1163 event_chain_count (old_chain) - | |
| 1164 event_chain_count (pointer)); | |
| 1165 } | |
| 1166 | |
| 428 | 1167 |
| 771 | 1168 /************************************************************************/ |
| 1169 /* higher level functions */ | |
| 1170 /************************************************************************/ | |
| 428 | 1171 |
| 1172 Lisp_Object QKbackspace, QKtab, QKlinefeed, QKreturn, QKescape, | |
| 1173 QKspace, QKdelete; | |
| 1174 | |
| 1175 int | |
| 1176 command_event_p (Lisp_Object event) | |
| 1177 { | |
| 1178 switch (XEVENT_TYPE (event)) | |
| 1179 { | |
| 1180 case key_press_event: | |
| 1181 case button_press_event: | |
| 1182 case button_release_event: | |
| 1183 case misc_user_event: | |
| 1184 return 1; | |
| 1185 default: | |
| 1186 return 0; | |
| 1187 } | |
| 1188 } | |
| 1189 | |
|
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1190 /* META_BEHAVIOR can be one of the following values, defined in events.h: |
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1191 |
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1192 high_bit_is_meta |
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1193 use_console_meta_flag |
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1194 latin_1_maps_to_itself |
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1195 |
| 1204 | 1196 DO_BACKSPACE_MAPPING means that if CON is a TTY, and C is a the TTY's |
| 1197 backspace character, the event will have keysym `backspace' instead of | |
| 1198 '(control h). It is clearly correct to do this conversion is the | |
| 1199 character was just read from a TTY, clearly incorrect inside of | |
| 1200 define-key, which must be able to handle all consoles. #### What about | |
| 1201 in other circumstances? #### Should the user have access to this flag? | |
| 1202 | |
| 1203 #### We need to go through and review all the flags in | |
| 1204 character_to_event() and event_to_character() and figure out exactly | |
| 1205 under what circumstances they should or should not be set, then go | |
| 1206 through and review all callers of character_to_event(), | |
| 1207 Fcharacter_to_event(), event_to_character(), and Fevent_to_character() | |
| 1208 and check that they are passing the correct flags in for their varied | |
| 1209 circumstances. | |
| 1210 | |
| 1211 #### Some of this garbage, and some of the flags, could go away if we | |
| 1212 implemented the suggestion, originally from event-Xt.c: | |
| 1213 | |
| 2828 | 1214 [[ The way that keysym correspondence to characters should work: |
| 1204 | 1215 - a Lisp_Event should contain a keysym AND a character slot. |
| 1216 - keybindings are tried with the keysym. If no binding can be found, | |
| 2828 | 1217 and there is a corresponding character, call self-insert-command. ]] |
| 1218 | |
| 1219 That's an X-specific way of thinking. All the other platforms--even | |
| 1220 the TTY, make sure you've done (set-input-mode t nil 1) and set your | |
| 1221 console coding system appropriately when checking--just use | |
| 1222 characters as emacs keysyms, and, together with defaulting to | |
| 1223 self-insert-command if an unbound key with a character correspondence | |
| 1224 is typed, that works fine for them. (Yes, this ignores GTK.) | |
| 1225 | |
| 1226 [[ [... snipping other suggestions which I've implemented.] | |
| 1227 Nuke the Qascii_character property. ]] | |
| 1204 | 1228 |
| 2828 | 1229 Well, we've renamed it anyway--it was badly named. |
| 1230 Qcharacter_of_keysym, here we go. It's really only with X11 that how | |
| 1231 to map between adiaeresis and (int-to-char #xE4), or ellipsis and | |
| 1232 whatever, becomes an issue, and IMO the property approach to this is | |
| 1233 fine. Aidan Kehoe, 2005-05-15. | |
| 1204 | 1234 |
| 2828 | 1235 [[ This would apparently solve a lot of different problems. ]] |
| 1236 | |
| 1237 I'd be interested to know what's left. Removing the allow-meta | |
| 1238 argument from event-to-character would be a Good Thing, IMO, but | |
| 1239 beyond that, I'm not sure what else there is to do wrt. key | |
| 1240 mappings. Of course, feedback from users of the Russian C-x facility | |
| 1241 is still needed. */ | |
| 428 | 1242 |
| 1243 void | |
| 867 | 1244 character_to_event (Ichar c, Lisp_Event *event, struct console *con, |
|
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1245 character_to_event_meta_behavior meta_behavior, |
| 2340 | 1246 int USED_IF_TTY (do_backspace_mapping)) |
| 428 | 1247 { |
| 1248 Lisp_Object k = Qnil; | |
| 442 | 1249 int m = 0; |
| 934 | 1250 if (EVENT_TYPE (event) == dead_event) |
| 563 | 1251 invalid_argument ("character-to-event called with a deallocated event!", Qunbound); |
| 428 | 1252 |
| 1253 #ifndef MULE | |
| 1254 c &= 255; | |
| 1255 #endif | |
|
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1256 if (meta_behavior != latin_1_maps_to_itself && c > 127 && c <= 255) |
| 428 | 1257 { |
| 1258 int meta_flag = 1; | |
|
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1259 if (meta_behavior == use_console_meta_flag && CONSOLE_TTY_P (con)) |
| 428 | 1260 meta_flag = TTY_FLAGS (con).meta_key; |
| 1261 switch (meta_flag) | |
| 1262 { | |
| 1263 case 0: /* ignore top bit; it's parity */ | |
| 1264 c -= 128; | |
| 1265 break; | |
| 1266 case 1: /* top bit is meta */ | |
| 1267 c -= 128; | |
| 442 | 1268 m = XEMACS_MOD_META; |
| 428 | 1269 break; |
| 1270 default: /* this is a real character */ | |
| 1271 break; | |
| 1272 } | |
| 1273 } | |
| 442 | 1274 if (c < ' ') c += '@', m |= XEMACS_MOD_CONTROL; |
| 1275 if (m & XEMACS_MOD_CONTROL) | |
| 428 | 1276 { |
| 1277 switch (c) | |
| 1278 { | |
| 442 | 1279 case 'I': k = QKtab; m &= ~XEMACS_MOD_CONTROL; break; |
| 1280 case 'J': k = QKlinefeed; m &= ~XEMACS_MOD_CONTROL; break; | |
| 1281 case 'M': k = QKreturn; m &= ~XEMACS_MOD_CONTROL; break; | |
| 1282 case '[': k = QKescape; m &= ~XEMACS_MOD_CONTROL; break; | |
| 428 | 1283 default: |
| 1204 | 1284 #if defined (HAVE_TTY) |
| 428 | 1285 if (do_backspace_mapping && |
| 1286 CHARP (con->tty_erase_char) && | |
| 1287 c - '@' == XCHAR (con->tty_erase_char)) | |
| 1288 { | |
| 1289 k = QKbackspace; | |
| 442 | 1290 m &= ~XEMACS_MOD_CONTROL; |
| 428 | 1291 } |
| 1204 | 1292 #endif /* defined (HAVE_TTY) */ |
| 428 | 1293 break; |
| 1294 } | |
| 1295 if (c >= 'A' && c <= 'Z') c -= 'A'-'a'; | |
| 1296 } | |
| 1204 | 1297 #if defined (HAVE_TTY) |
| 428 | 1298 else if (do_backspace_mapping && |
| 1299 CHARP (con->tty_erase_char) && c == XCHAR (con->tty_erase_char)) | |
| 1300 k = QKbackspace; | |
| 1204 | 1301 #endif /* defined (HAVE_TTY) */ |
| 428 | 1302 else if (c == 127) |
| 1303 k = QKdelete; | |
| 1304 else if (c == ' ') | |
| 1305 k = QKspace; | |
| 1306 | |
| 934 | 1307 set_event_type (event, key_press_event); |
| 1308 SET_EVENT_TIMESTAMP_ZERO (event); /* #### */ | |
| 1309 SET_EVENT_CHANNEL (event, wrap_console (con)); | |
| 1204 | 1310 SET_EVENT_KEY_KEYSYM (event, (!NILP (k) ? k : make_char (c))); |
| 1311 SET_EVENT_KEY_MODIFIERS (event, m); | |
| 428 | 1312 } |
| 1313 | |
| 867 | 1314 Ichar |
| 1204 | 1315 event_to_character (Lisp_Object event, |
| 428 | 1316 int allow_extra_modifiers, |
| 2828 | 1317 int allow_meta) |
| 428 | 1318 { |
| 867 | 1319 Ichar c = 0; |
| 428 | 1320 Lisp_Object code; |
| 1321 | |
| 1204 | 1322 if (XEVENT_TYPE (event) != key_press_event) |
| 428 | 1323 { |
| 1204 | 1324 assert (XEVENT_TYPE (event) != dead_event); |
| 428 | 1325 return -1; |
| 1326 } | |
| 1327 if (!allow_extra_modifiers && | |
| 2828 | 1328 XEVENT_KEY_MODIFIERS (event) & |
| 1329 (XEMACS_MOD_SUPER|XEMACS_MOD_HYPER|XEMACS_MOD_ALT)) | |
| 428 | 1330 return -1; |
| 1204 | 1331 if (CHAR_OR_CHAR_INTP (XEVENT_KEY_KEYSYM (event))) |
| 1332 c = XCHAR_OR_CHAR_INT (XEVENT_KEY_KEYSYM (event)); | |
| 1333 else if (!SYMBOLP (XEVENT_KEY_KEYSYM (event))) | |
| 2500 | 1334 ABORT (); |
| 1204 | 1335 else if (CHAR_OR_CHAR_INTP (code = Fget (XEVENT_KEY_KEYSYM (event), |
| 2828 | 1336 Qcharacter_of_keysym, Qnil))) |
| 428 | 1337 c = XCHAR_OR_CHAR_INT (code); |
| 1338 else | |
| 2828 | 1339 { |
| 1340 Lisp_Object thekeysym = XEVENT_KEY_KEYSYM (event); | |
| 1341 | |
| 1342 if (CHAR_OR_CHAR_INTP (code = Fget (thekeysym, Qascii_character, Qnil))) | |
| 1343 { | |
| 1344 c = XCHAR_OR_CHAR_INT (code); | |
| 1345 warn_when_safe(Qkey_mapping, Qwarning, | |
| 1346 "Obsolete key binding technique.\n" | |
| 428 | 1347 |
| 2828 | 1348 "Some code you're using bound %s to `self-insert-command' and messed around\n" |
| 1349 "with its `ascii-character' property. Doing this is deprecated, and the code\n" | |
| 1350 "should be updated to use the `set-character-of-keysym' interface.\n" | |
| 1351 "If you're the one updating the code, first check if there's still a need\n" | |
| 1352 "for it; we support many more X11 keysyms out of the box now than we did\n" | |
| 1353 "in the past. ", XSTRING_DATA(XSYMBOL_NAME(thekeysym))); | |
| 1354 /* Only show the warning once for each keysym. */ | |
| 1355 Fput(thekeysym, Qcharacter_of_keysym, code); | |
| 1356 } | |
| 1357 else | |
| 1358 { | |
| 1359 return -1; | |
| 1360 } | |
| 1361 } | |
| 1204 | 1362 if (XEVENT_KEY_MODIFIERS (event) & XEMACS_MOD_CONTROL) |
| 428 | 1363 { |
| 1364 if (c >= 'a' && c <= 'z') | |
| 1365 c -= ('a' - 'A'); | |
| 1366 else | |
| 1367 /* reject Control-Shift- keys */ | |
| 1368 if (c >= 'A' && c <= 'Z' && !allow_extra_modifiers) | |
| 1369 return -1; | |
| 1370 | |
| 1371 if (c >= '@' && c <= '_') | |
| 1372 c -= '@'; | |
| 1373 else if (c == ' ') /* C-space and C-@ are the same. */ | |
| 1374 c = 0; | |
| 1375 else | |
| 1376 /* reject keys that can't take Control- modifiers */ | |
| 1377 if (! allow_extra_modifiers) return -1; | |
| 1378 } | |
| 1379 | |
| 1204 | 1380 if (XEVENT_KEY_MODIFIERS (event) & XEMACS_MOD_META) |
| 428 | 1381 { |
| 1382 if (! allow_meta) return -1; | |
| 1204 | 1383 if (c >= 128) return -1; /* don't allow M-oslash (overlap) */ |
| 428 | 1384 c |= 0200; |
| 1385 } | |
| 1386 return c; | |
| 1387 } | |
| 1388 | |
| 2862 | 1389 DEFUN ("event-to-character", Fevent_to_character, 1, 4, 0, /* |
| 2828 | 1390 Return the closest character approximation to the given event object. |
| 428 | 1391 If the event isn't a keypress, this returns nil. |
| 1392 If the ALLOW-EXTRA-MODIFIERS argument is non-nil, then this is lenient in | |
| 1393 its translation; it will ignore modifier keys other than control and meta, | |
| 1394 and will ignore the shift modifier on those characters which have no | |
| 1395 shifted ASCII equivalent (Control-Shift-A for example, will be mapped to | |
| 1396 the same ASCII code as Control-A). | |
| 1397 If the ALLOW-META argument is non-nil, then the Meta modifier will be | |
| 1398 represented by turning on the high bit of the byte returned; otherwise, nil | |
| 1399 will be returned for events containing the Meta modifier. | |
| 1204 | 1400 Note that ALLOW-META may cause ambiguity between meta characters and |
| 1401 Latin-1 characters. | |
| 2862 | 1402 ALLOW-NON-ASCII is unused, and retained for compatibility. |
| 428 | 1403 */ |
| 2862 | 1404 (event, allow_extra_modifiers, allow_meta, UNUSED(allow_non_ascii))) |
| 428 | 1405 { |
| 867 | 1406 Ichar c; |
| 428 | 1407 CHECK_LIVE_EVENT (event); |
| 1204 | 1408 c = event_to_character (event, |
| 428 | 1409 !NILP (allow_extra_modifiers), |
| 2828 | 1410 !NILP (allow_meta)); |
| 428 | 1411 return c < 0 ? Qnil : make_char (c); |
| 1412 } | |
| 1413 | |
| 1414 DEFUN ("character-to-event", Fcharacter_to_event, 1, 4, 0, /* | |
| 444 | 1415 Convert KEY-DESCRIPTION into an event structure, replete with bucky bits. |
| 428 | 1416 |
| 444 | 1417 KEY-DESCRIPTION is the first argument, and the event to fill in is the |
| 1418 second. This function contains knowledge about what various kinds of | |
| 1419 arguments ``mean'' -- for example, the number 9 is converted to the | |
| 1420 character ``Tab'', not the distinct character ``Control-I''. | |
| 428 | 1421 |
| 3025 | 1422 KEY-DESCRIPTION can be an integer, a character, a symbol such as `clear', |
| 444 | 1423 or a list such as '(control backspace). |
| 1424 | |
| 1425 If the optional second argument EVENT is an event, it is modified and | |
| 1426 returned; otherwise, a new event object is created and returned. | |
| 428 | 1427 |
| 1428 Optional third arg CONSOLE is the console to store in the event, and | |
| 1429 defaults to the selected console. | |
| 1430 | |
| 444 | 1431 If KEY-DESCRIPTION is an integer or character, the high bit may be |
| 1204 | 1432 interpreted as the meta key. (This is done for backward compatibility in |
| 1433 lots of places -- specifically, because lots of Lisp code uses specs like | |
| 1434 ?\M-d and "\M-d" in key code, expecting this to work; yet these are in | |
| 1435 reality converted directly to 8-bit characters by the Lisp reader.) If | |
| 1436 USE-CONSOLE-META-FLAG is nil or CONSOLE is not a TTY, this will always be | |
| 1437 the case. If USE-CONSOLE-META-FLAG is non-nil and CONSOLE is a TTY, the | |
| 1438 `meta' flag for CONSOLE affects whether the high bit is interpreted as a | |
| 1439 meta key. (See `set-input-mode'.) Don't set this flag to non-nil unless | |
| 1440 you know what you're doing (more specifically, only if the character came | |
| 1441 directly from a TTY, not from the user). If you don't want this silly meta | |
| 1442 interpretation done, you should pass in a list containing the character. | |
| 428 | 1443 |
| 1444 Beware that character-to-event and event-to-character are not strictly | |
| 1445 inverse functions, since events contain much more information than the | |
| 444 | 1446 Lisp character object type can encode. |
| 428 | 1447 */ |
|
4780
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Call character_to_event on characters received from XIM, event-Xt.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
3092
diff
changeset
|
1448 (keystroke, event, console, use_console_meta_flag_)) |
| 428 | 1449 { |
| 1450 struct console *con = decode_console (console); | |
| 1451 if (NILP (event)) | |
| 1452 event = Fmake_event (Qnil, Qnil); | |
| 1453 else | |
| 1454 CHECK_LIVE_EVENT (event); | |
| 444 | 1455 if (CONSP (keystroke) || SYMBOLP (keystroke)) |
| 1456 key_desc_list_to_event (keystroke, event, 1); | |
| 428 | 1457 else |
| 1458 { | |
| 444 | 1459 CHECK_CHAR_COERCE_INT (keystroke); |
| 1460 character_to_event (XCHAR (keystroke), XEVENT (event), con, | |
|
4780
2fd201d73a92
Call character_to_event on characters received from XIM, event-Xt.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
3092
diff
changeset
|
1461 (NILP (use_console_meta_flag_) ? |
|
2fd201d73a92
Call character_to_event on characters received from XIM, event-Xt.c
Aidan Kehoe <kehoea@parhasard.net>
parents:
3092
diff
changeset
|
1462 high_bit_is_meta : use_console_meta_flag), 1); |
| 428 | 1463 } |
| 1464 return event; | |
| 1465 } | |
| 1466 | |
| 1467 void | |
| 1468 nth_of_key_sequence_as_event (Lisp_Object seq, int n, Lisp_Object event) | |
| 1469 { | |
| 1470 assert (STRINGP (seq) || VECTORP (seq)); | |
| 1471 assert (n < XINT (Flength (seq))); | |
| 1472 | |
| 1473 if (STRINGP (seq)) | |
| 1474 { | |
| 867 | 1475 Ichar ch = string_ichar (seq, n); |
| 428 | 1476 Fcharacter_to_event (make_char (ch), event, Qnil, Qnil); |
| 1477 } | |
| 1478 else | |
| 1479 { | |
| 1480 Lisp_Object keystroke = XVECTOR_DATA (seq)[n]; | |
| 1481 if (EVENTP (keystroke)) | |
| 1482 Fcopy_event (keystroke, event); | |
| 1483 else | |
| 1484 Fcharacter_to_event (keystroke, event, Qnil, Qnil); | |
| 1485 } | |
| 1486 } | |
| 1487 | |
| 1488 Lisp_Object | |
| 1489 key_sequence_to_event_chain (Lisp_Object seq) | |
| 1490 { | |
| 1491 int len = XINT (Flength (seq)); | |
| 1492 int i; | |
| 1493 Lisp_Object head = Qnil, tail = Qnil; | |
| 1494 | |
| 1495 for (i = 0; i < len; i++) | |
| 1496 { | |
| 1497 Lisp_Object event = Fmake_event (Qnil, Qnil); | |
| 1498 nth_of_key_sequence_as_event (seq, i, event); | |
| 1499 enqueue_event (event, &head, &tail); | |
| 1500 } | |
| 1501 | |
| 1502 return head; | |
| 1503 } | |
| 1504 | |
| 934 | 1505 |
| 793 | 1506 /* Concatenate a string description of EVENT onto the end of BUF. If |
| 1507 BRIEF, use short forms for keys, e.g. C- instead of control-. */ | |
| 1508 | |
| 934 | 1509 void |
| 1510 format_event_object (Eistring *buf, Lisp_Object event, int brief) | |
| 428 | 1511 { |
| 1512 int mouse_p = 0; | |
| 1513 int mod = 0; | |
| 1514 Lisp_Object key; | |
| 1515 | |
| 1204 | 1516 switch (XEVENT_TYPE (event)) |
| 428 | 1517 { |
| 1518 case key_press_event: | |
| 1519 { | |
| 1204 | 1520 mod = XEVENT_KEY_MODIFIERS (event); |
| 1521 key = XEVENT_KEY_KEYSYM (event); | |
| 428 | 1522 /* Hack. */ |
| 1523 if (! brief && CHARP (key) && | |
| 793 | 1524 mod & (XEMACS_MOD_CONTROL | XEMACS_MOD_META | XEMACS_MOD_SUPER | |
| 1525 XEMACS_MOD_HYPER)) | |
| 428 | 1526 { |
| 1527 int k = XCHAR (key); | |
| 1528 if (k >= 'a' && k <= 'z') | |
| 1529 key = make_char (k - ('a' - 'A')); | |
| 1530 else if (k >= 'A' && k <= 'Z') | |
| 442 | 1531 mod |= XEMACS_MOD_SHIFT; |
| 428 | 1532 } |
| 1533 break; | |
| 1534 } | |
| 1535 case button_release_event: | |
| 1536 mouse_p++; | |
| 1537 /* Fall through */ | |
| 1538 case button_press_event: | |
| 1539 { | |
| 1540 mouse_p++; | |
| 1204 | 1541 mod = XEVENT_BUTTON_MODIFIERS (event); |
| 1542 key = make_char (XEVENT_BUTTON_BUTTON (event) + '0'); | |
| 428 | 1543 break; |
| 1544 } | |
| 1545 case magic_event: | |
| 1546 { | |
| 788 | 1547 Lisp_Object stream; |
| 1548 struct gcpro gcpro1; | |
| 1549 GCPRO1 (stream); | |
| 428 | 1550 |
| 788 | 1551 stream = make_resizing_buffer_output_stream (); |
| 1204 | 1552 event_stream_format_magic_event (XEVENT (event), stream); |
| 788 | 1553 Lstream_flush (XLSTREAM (stream)); |
| 793 | 1554 eicat_raw (buf, resizing_buffer_stream_ptr (XLSTREAM (stream)), |
| 1555 Lstream_byte_count (XLSTREAM (stream))); | |
| 788 | 1556 Lstream_delete (XLSTREAM (stream)); |
| 1557 UNGCPRO; | |
| 428 | 1558 return; |
| 1559 } | |
| 2421 | 1560 case magic_eval_event: eicat_ascii (buf, "magic-eval"); return; |
| 1561 case pointer_motion_event: eicat_ascii (buf, "motion"); return; | |
| 1562 case misc_user_event: eicat_ascii (buf, "misc-user"); return; | |
| 1563 case eval_event: eicat_ascii (buf, "eval"); return; | |
| 1564 case process_event: eicat_ascii (buf, "process"); return; | |
| 1565 case timeout_event: eicat_ascii (buf, "timeout"); return; | |
| 1566 case empty_event: eicat_ascii (buf, "empty"); return; | |
| 1567 case dead_event: eicat_ascii (buf, "DEAD-EVENT"); return; | |
| 428 | 1568 default: |
| 2500 | 1569 ABORT (); |
| 442 | 1570 return; |
| 428 | 1571 } |
| 793 | 1572 #define modprint(x,y) \ |
| 2421 | 1573 do { if (brief) eicat_ascii (buf, (y)); else eicat_ascii (buf, (x)); } while (0) |
| 442 | 1574 if (mod & XEMACS_MOD_CONTROL) modprint ("control-", "C-"); |
| 1575 if (mod & XEMACS_MOD_META) modprint ("meta-", "M-"); | |
| 1576 if (mod & XEMACS_MOD_SUPER) modprint ("super-", "S-"); | |
| 1577 if (mod & XEMACS_MOD_HYPER) modprint ("hyper-", "H-"); | |
| 1578 if (mod & XEMACS_MOD_ALT) modprint ("alt-", "A-"); | |
| 1579 if (mod & XEMACS_MOD_SHIFT) modprint ("shift-", "Sh-"); | |
| 428 | 1580 if (mouse_p) |
| 1581 { | |
| 2421 | 1582 eicat_ascii (buf, "button"); |
| 428 | 1583 --mouse_p; |
| 1584 } | |
| 1585 | |
| 1586 #undef modprint | |
| 1587 | |
| 1588 if (CHARP (key)) | |
| 793 | 1589 eicat_ch (buf, XCHAR (key)); |
| 428 | 1590 else if (SYMBOLP (key)) |
| 1591 { | |
| 2367 | 1592 const Ascbyte *str = 0; |
| 428 | 1593 if (brief) |
| 1594 { | |
| 1595 if (EQ (key, QKlinefeed)) str = "LFD"; | |
| 1596 else if (EQ (key, QKtab)) str = "TAB"; | |
| 1597 else if (EQ (key, QKreturn)) str = "RET"; | |
| 1598 else if (EQ (key, QKescape)) str = "ESC"; | |
| 1599 else if (EQ (key, QKdelete)) str = "DEL"; | |
| 1600 else if (EQ (key, QKspace)) str = "SPC"; | |
| 1601 else if (EQ (key, QKbackspace)) str = "BS"; | |
| 1602 } | |
| 1603 if (str) | |
| 2421 | 1604 eicat_ascii (buf, str); |
| 428 | 1605 else |
| 793 | 1606 eicat_lstr (buf, XSYMBOL (key)->name); |
| 428 | 1607 } |
| 1608 else | |
| 2500 | 1609 ABORT (); |
| 428 | 1610 if (mouse_p) |
| 2421 | 1611 eicat_ascii (buf, "up"); |
| 428 | 1612 } |
| 1613 | |
| 1204 | 1614 void |
| 1615 upshift_event (Lisp_Object event) | |
| 1616 { | |
| 1617 Lisp_Object keysym = XEVENT_KEY_KEYSYM (event); | |
| 1618 Ichar c = 0; | |
| 1619 | |
| 1620 if (CHAR_OR_CHAR_INTP (keysym) | |
| 1621 && ((c = XCHAR_OR_CHAR_INT (keysym)), | |
| 1622 c >= 'a' && c <= 'z')) | |
| 1623 XSET_EVENT_KEY_KEYSYM (event, make_char (c + 'A' - 'a')); | |
| 1624 else | |
| 1625 if (!(XEVENT_KEY_MODIFIERS (event) & XEMACS_MOD_SHIFT)) | |
| 1626 XSET_EVENT_KEY_MODIFIERS | |
| 1627 (event, XEVENT_KEY_MODIFIERS (event) |= XEMACS_MOD_SHIFT); | |
| 1628 } | |
| 1629 | |
| 1630 void | |
| 1631 downshift_event (Lisp_Object event) | |
| 1632 { | |
| 1633 Lisp_Object keysym = XEVENT_KEY_KEYSYM (event); | |
| 1634 Ichar c = 0; | |
| 1635 | |
| 1636 if (XEVENT_KEY_MODIFIERS (event) & XEMACS_MOD_SHIFT) | |
| 1637 XSET_EVENT_KEY_MODIFIERS | |
| 1638 (event, XEVENT_KEY_MODIFIERS (event) & ~XEMACS_MOD_SHIFT); | |
| 1639 else if (CHAR_OR_CHAR_INTP (keysym) | |
| 1640 && ((c = XCHAR_OR_CHAR_INT (keysym)), | |
| 1641 c >= 'A' && c <= 'Z')) | |
| 1642 XSET_EVENT_KEY_KEYSYM (event, make_char (c + 'a' - 'A')); | |
| 1643 } | |
| 1644 | |
| 1645 int | |
| 1646 event_upshifted_p (Lisp_Object event) | |
| 1647 { | |
| 1648 Lisp_Object keysym = XEVENT_KEY_KEYSYM (event); | |
| 1649 Ichar c = 0; | |
| 1650 | |
| 1651 if ((XEVENT_KEY_MODIFIERS (event) & XEMACS_MOD_SHIFT) | |
| 1652 || (CHAR_OR_CHAR_INTP (keysym) | |
| 1653 && ((c = XCHAR_OR_CHAR_INT (keysym)), | |
| 1654 c >= 'A' && c <= 'Z'))) | |
| 1655 return 1; | |
| 1656 else | |
| 1657 return 0; | |
| 1658 } | |
| 934 | 1659 |
| 428 | 1660 DEFUN ("eventp", Feventp, 1, 1, 0, /* |
| 1661 True if OBJECT is an event object. | |
| 1662 */ | |
| 1663 (object)) | |
| 1664 { | |
| 1665 return EVENTP (object) ? Qt : Qnil; | |
| 1666 } | |
| 1667 | |
| 1668 DEFUN ("event-live-p", Fevent_live_p, 1, 1, 0, /* | |
| 1669 True if OBJECT is an event object that has not been deallocated. | |
| 1670 */ | |
| 1671 (object)) | |
| 1672 { | |
| 934 | 1673 return EVENTP (object) && XEVENT_TYPE (object) != dead_event ? |
| 1674 Qt : Qnil; | |
| 428 | 1675 } |
| 1676 | |
| 1677 #if 0 /* debugging functions */ | |
| 1678 | |
| 826 | 1679 DEFUN ("event-next", Fevent_next, 1, 1, 0, /* |
| 428 | 1680 Return the event object's `next' event, or nil if it has none. |
| 1681 The `next-event' field is changed by calling `set-next-event'. | |
| 1682 */ | |
| 1683 (event)) | |
| 1684 { | |
| 440 | 1685 Lisp_Event *e; |
| 428 | 1686 CHECK_LIVE_EVENT (event); |
| 1687 | |
| 1688 return XEVENT_NEXT (event); | |
| 1689 } | |
| 1690 | |
| 826 | 1691 DEFUN ("set-event-next", Fset_event_next, 2, 2, 0, /* |
| 428 | 1692 Set the `next event' of EVENT to NEXT-EVENT. |
| 1693 NEXT-EVENT must be an event object or nil. | |
| 1694 */ | |
| 1695 (event, next_event)) | |
| 1696 { | |
| 1697 Lisp_Object ev; | |
| 1698 | |
| 1699 CHECK_LIVE_EVENT (event); | |
| 1700 if (NILP (next_event)) | |
| 1701 { | |
| 1702 XSET_EVENT_NEXT (event, Qnil); | |
| 1703 return Qnil; | |
| 1704 } | |
| 1705 | |
| 1706 CHECK_LIVE_EVENT (next_event); | |
| 1707 | |
| 1708 EVENT_CHAIN_LOOP (ev, XEVENT_NEXT (event)) | |
| 1709 { | |
| 1710 QUIT; | |
| 1711 if (EQ (ev, event)) | |
| 563 | 1712 invalid_operation_2 ("Cyclic event-next", event, next_event); |
| 428 | 1713 } |
| 1714 XSET_EVENT_NEXT (event, next_event); | |
| 1715 return next_event; | |
| 1716 } | |
| 1717 | |
| 1718 #endif /* 0 */ | |
| 1719 | |
| 1720 DEFUN ("event-type", Fevent_type, 1, 1, 0, /* | |
| 1721 Return the type of EVENT. | |
| 1722 This will be a symbol; one of | |
| 1723 | |
| 1724 key-press A key was pressed. | |
| 1725 button-press A mouse button was pressed. | |
| 1726 button-release A mouse button was released. | |
| 1727 misc-user Some other user action happened; typically, this is | |
| 1728 a menu selection or scrollbar action. | |
| 1729 motion The mouse moved. | |
| 1730 process Input is available from a subprocess. | |
| 1731 timeout A timeout has expired. | |
| 1732 eval This causes a specified action to occur when dispatched. | |
| 1733 magic Some window-system-specific event has occurred. | |
| 1734 empty The event has been allocated but not assigned. | |
| 1735 | |
| 1736 */ | |
| 1737 (event)) | |
| 1738 { | |
| 1739 CHECK_LIVE_EVENT (event); | |
| 934 | 1740 switch (XEVENT_TYPE (event)) |
| 428 | 1741 { |
| 1742 case key_press_event: return Qkey_press; | |
| 1743 case button_press_event: return Qbutton_press; | |
| 1744 case button_release_event: return Qbutton_release; | |
| 1745 case misc_user_event: return Qmisc_user; | |
| 1746 case pointer_motion_event: return Qmotion; | |
| 1747 case process_event: return Qprocess; | |
| 1748 case timeout_event: return Qtimeout; | |
| 1749 case eval_event: return Qeval; | |
| 1750 case magic_event: | |
| 1751 case magic_eval_event: | |
| 1752 return Qmagic; | |
| 1753 | |
| 1754 case empty_event: | |
| 1755 return Qempty; | |
| 1756 | |
| 1757 default: | |
| 2500 | 1758 ABORT (); |
| 428 | 1759 return Qnil; |
| 1760 } | |
| 1761 } | |
| 1762 | |
| 1763 DEFUN ("event-timestamp", Fevent_timestamp, 1, 1, 0, /* | |
| 1764 Return the timestamp of the event object EVENT. | |
| 442 | 1765 Timestamps are measured in milliseconds since the start of the window system. |
| 1766 They are NOT related to any current time measurement. | |
| 1767 They should be compared with `event-timestamp<'. | |
| 1768 See also `current-event-timestamp'. | |
| 428 | 1769 */ |
| 1770 (event)) | |
| 1771 { | |
| 1772 CHECK_LIVE_EVENT (event); | |
| 1773 /* This junk is so that timestamps don't get to be negative, but contain | |
| 1774 as many bits as this particular emacs will allow. | |
| 1775 */ | |
| 2039 | 1776 return make_int (EMACS_INT_MAX & XEVENT_TIMESTAMP (event)); |
| 428 | 1777 } |
| 1778 | |
| 2039 | 1779 #define TIMESTAMP_HALFSPACE (1L << (INT_VALBITS - 2)) |
| 442 | 1780 |
| 1781 DEFUN ("event-timestamp<", Fevent_timestamp_lessp, 2, 2, 0, /* | |
| 1782 Return true if timestamp TIME1 is earlier than timestamp TIME2. | |
| 1783 This correctly handles timestamp wrap. | |
| 1784 See also `event-timestamp' and `current-event-timestamp'. | |
| 1785 */ | |
| 1786 (time1, time2)) | |
| 1787 { | |
| 1788 EMACS_INT t1, t2; | |
| 1789 | |
| 1790 CHECK_NATNUM (time1); | |
| 1791 CHECK_NATNUM (time2); | |
| 1792 t1 = XINT (time1); | |
| 1793 t2 = XINT (time2); | |
| 1794 | |
| 1795 if (t1 < t2) | |
| 1796 return t2 - t1 < TIMESTAMP_HALFSPACE ? Qt : Qnil; | |
| 1797 else | |
| 1798 return t1 - t2 < TIMESTAMP_HALFSPACE ? Qnil : Qt; | |
| 1799 } | |
| 1800 | |
| 934 | 1801 #define CHECK_EVENT_TYPE(e,t1,sym) do { \ |
| 1802 CHECK_LIVE_EVENT (e); \ | |
| 1803 if (XEVENT_TYPE (e) != (t1)) \ | |
| 1804 e = wrong_type_argument (sym,e); \ | |
| 1805 } while (0) | |
| 1806 | |
| 1807 #define CHECK_EVENT_TYPE2(e,t1,t2,sym) do { \ | |
| 1808 CHECK_LIVE_EVENT (e); \ | |
| 1809 { \ | |
| 1810 emacs_event_type CET_type = XEVENT_TYPE (e); \ | |
| 1811 if (CET_type != (t1) && \ | |
| 1812 CET_type != (t2)) \ | |
| 1813 e = wrong_type_argument (sym,e); \ | |
| 1814 } \ | |
| 1815 } while (0) | |
| 1816 | |
| 1817 #define CHECK_EVENT_TYPE3(e,t1,t2,t3,sym) do { \ | |
| 1818 CHECK_LIVE_EVENT (e); \ | |
| 1819 { \ | |
| 1820 emacs_event_type CET_type = XEVENT_TYPE (e); \ | |
| 1821 if (CET_type != (t1) && \ | |
| 1822 CET_type != (t2) && \ | |
| 1823 CET_type != (t3)) \ | |
| 1824 e = wrong_type_argument (sym,e); \ | |
| 1825 } \ | |
| 1826 } while (0) | |
| 428 | 1827 |
| 1828 DEFUN ("event-key", Fevent_key, 1, 1, 0, /* | |
| 1829 Return the Keysym of the key-press event EVENT. | |
| 1830 This will be a character if the event is associated with one, else a symbol. | |
| 1831 */ | |
| 1832 (event)) | |
| 1833 { | |
| 1834 CHECK_EVENT_TYPE (event, key_press_event, Qkey_press_event_p); | |
| 1204 | 1835 return XEVENT_KEY_KEYSYM (event); |
| 428 | 1836 } |
| 1837 | |
| 1838 DEFUN ("event-button", Fevent_button, 1, 1, 0, /* | |
| 444 | 1839 Return the button-number of the button-press or button-release event EVENT. |
| 428 | 1840 */ |
| 1841 (event)) | |
| 1842 { | |
| 1843 CHECK_EVENT_TYPE3 (event, button_press_event, button_release_event, | |
| 1844 misc_user_event, Qbutton_event_p); | |
| 1845 #ifdef HAVE_WINDOW_SYSTEM | |
| 1204 | 1846 if (XEVENT_TYPE (event) == misc_user_event) |
| 1847 return make_int (XEVENT_MISC_USER_BUTTON (event)); | |
| 934 | 1848 else |
| 1204 | 1849 return make_int (XEVENT_BUTTON_BUTTON (event)); |
| 428 | 1850 #else /* !HAVE_WINDOW_SYSTEM */ |
| 1851 return Qzero; | |
| 1852 #endif /* !HAVE_WINDOW_SYSTEM */ | |
| 1853 } | |
| 1854 | |
| 1855 DEFUN ("event-modifier-bits", Fevent_modifier_bits, 1, 1, 0, /* | |
| 442 | 1856 Return a number representing the modifier keys and buttons which were down |
| 428 | 1857 when the given mouse or keyboard event was produced. |
| 442 | 1858 See also the function `event-modifiers'. |
| 428 | 1859 */ |
| 1860 (event)) | |
| 1861 { | |
| 1862 again: | |
| 1863 CHECK_LIVE_EVENT (event); | |
| 934 | 1864 switch (XEVENT_TYPE (event)) |
| 1865 { | |
| 1866 case key_press_event: | |
| 1204 | 1867 return make_int (XEVENT_KEY_MODIFIERS (event)); |
| 934 | 1868 case button_press_event: |
| 1869 case button_release_event: | |
| 1204 | 1870 return make_int (XEVENT_BUTTON_MODIFIERS (event)); |
| 934 | 1871 case pointer_motion_event: |
| 1204 | 1872 return make_int (XEVENT_MOTION_MODIFIERS (event)); |
| 934 | 1873 case misc_user_event: |
| 1204 | 1874 return make_int (XEVENT_MISC_USER_MODIFIERS (event)); |
| 934 | 1875 default: |
| 1876 event = wrong_type_argument (intern ("key-or-mouse-event-p"), event); | |
| 1877 goto again; | |
| 1878 } | |
| 428 | 1879 } |
| 1880 | |
| 1881 DEFUN ("event-modifiers", Fevent_modifiers, 1, 1, 0, /* | |
| 442 | 1882 Return a list of symbols, the names of the modifier keys and buttons |
| 428 | 1883 which were down when the given mouse or keyboard event was produced. |
| 442 | 1884 See also the function `event-modifier-bits'. |
| 1885 | |
| 1886 The possible symbols in the list are | |
| 1887 | |
| 1888 `shift': The Shift key. Will not appear, in general, on key events | |
| 1889 where the keysym is an ASCII character, because using Shift | |
| 1890 on such a character converts it into another character rather | |
| 1891 than actually just adding a Shift modifier. | |
| 1892 | |
| 1893 `control': The Control key. | |
| 1894 | |
| 1895 `meta': The Meta key. On PC's and PC-style keyboards, this is generally | |
| 1896 labelled \"Alt\"; Meta is a holdover from early Lisp Machines and | |
| 1897 such, propagated through the X Window System. On Sun keyboards, | |
| 1898 this key is labelled with a diamond. | |
| 1899 | |
| 1900 `alt': The \"Alt\" key. Alt is in quotes because this does not refer | |
| 1901 to what it obviously should refer to, namely the Alt key on PC | |
| 1902 keyboards. Instead, it refers to the key labelled Alt on Sun | |
| 1903 keyboards, and to no key at all on PC keyboards. | |
| 1904 | |
| 1905 `super': The Super key. Most keyboards don't have any such key, but | |
| 1906 under X Windows using `xmodmap' you can assign any key (such as | |
| 1907 an underused right-shift, right-control, or right-alt key) to | |
| 1908 this key modifier. No support currently exists under MS Windows | |
| 1909 for generating these modifiers. | |
| 1910 | |
| 1911 `hyper': The Hyper key. Works just like the Super key. | |
| 1912 | |
| 1913 `button1': The mouse buttons. This means that the specified button was held | |
| 1914 `button2': down at the time the event occurred. NOTE: For button-press | |
| 1915 `button3': events, the button that was just pressed down does NOT appear in | |
| 1916 `button4': the modifiers. | |
| 1917 `button5': | |
| 1918 | |
| 1919 Button modifiers are currently ignored when defining and looking up key and | |
| 1920 mouse strokes in keymaps. This could be changed, which would allow a user to | |
| 1921 create button-chord actions, use a button as a key modifier and do other | |
| 1922 clever things. | |
| 428 | 1923 */ |
| 1924 (event)) | |
| 1925 { | |
| 1926 int mod = XINT (Fevent_modifier_bits (event)); | |
| 1927 Lisp_Object result = Qnil; | |
| 442 | 1928 struct gcpro gcpro1; |
| 1929 | |
| 1930 GCPRO1 (result); | |
| 1931 if (mod & XEMACS_MOD_SHIFT) result = Fcons (Qshift, result); | |
| 1932 if (mod & XEMACS_MOD_ALT) result = Fcons (Qalt, result); | |
| 1933 if (mod & XEMACS_MOD_HYPER) result = Fcons (Qhyper, result); | |
| 1934 if (mod & XEMACS_MOD_SUPER) result = Fcons (Qsuper, result); | |
| 1935 if (mod & XEMACS_MOD_META) result = Fcons (Qmeta, result); | |
| 1936 if (mod & XEMACS_MOD_CONTROL) result = Fcons (Qcontrol, result); | |
| 1937 if (mod & XEMACS_MOD_BUTTON1) result = Fcons (Qbutton1, result); | |
| 1938 if (mod & XEMACS_MOD_BUTTON2) result = Fcons (Qbutton2, result); | |
| 1939 if (mod & XEMACS_MOD_BUTTON3) result = Fcons (Qbutton3, result); | |
| 1940 if (mod & XEMACS_MOD_BUTTON4) result = Fcons (Qbutton4, result); | |
| 1941 if (mod & XEMACS_MOD_BUTTON5) result = Fcons (Qbutton5, result); | |
| 1942 RETURN_UNGCPRO (Fnreverse (result)); | |
| 428 | 1943 } |
| 1944 | |
| 1945 static int | |
| 1946 event_x_y_pixel_internal (Lisp_Object event, int *x, int *y, int relative) | |
| 1947 { | |
| 1948 struct window *w; | |
| 1949 struct frame *f; | |
| 1950 | |
| 934 | 1951 if (XEVENT_TYPE (event) == pointer_motion_event) |
| 1952 { | |
| 1204 | 1953 *x = XEVENT_MOTION_X (event); |
| 1954 *y = XEVENT_MOTION_Y (event); | |
| 934 | 1955 } |
| 1956 else if (XEVENT_TYPE (event) == button_press_event || | |
| 1957 XEVENT_TYPE (event) == button_release_event) | |
| 1958 { | |
| 1204 | 1959 *x = XEVENT_BUTTON_X (event); |
| 1960 *y = XEVENT_BUTTON_Y (event); | |
| 934 | 1961 } |
| 1962 else if (XEVENT_TYPE (event) == misc_user_event) | |
| 1963 { | |
| 1204 | 1964 *x = XEVENT_MISC_USER_X (event); |
| 1965 *y = XEVENT_MISC_USER_Y (event); | |
| 934 | 1966 } |
| 1967 else | |
| 1968 return 0; | |
| 428 | 1969 f = XFRAME (EVENT_CHANNEL (XEVENT (event))); |
| 1970 | |
| 1971 if (relative) | |
| 1972 { | |
| 1973 w = find_window_by_pixel_pos (*x, *y, f->root_window); | |
| 1974 | |
| 1975 if (!w) | |
| 442 | 1976 return 1; /* #### What should really happen here? */ |
| 428 | 1977 |
| 1978 *x -= w->pixel_left; | |
| 1979 *y -= w->pixel_top; | |
| 1980 } | |
| 1981 else | |
| 1982 { | |
| 1983 *y -= FRAME_REAL_TOP_TOOLBAR_HEIGHT (f) - | |
| 1984 FRAME_REAL_TOP_TOOLBAR_BORDER_WIDTH (f); | |
| 1985 *x -= FRAME_REAL_LEFT_TOOLBAR_WIDTH (f) - | |
| 1986 FRAME_REAL_LEFT_TOOLBAR_BORDER_WIDTH (f); | |
| 1987 } | |
| 1988 | |
| 1989 return 1; | |
| 1990 } | |
| 1991 | |
| 1992 DEFUN ("event-window-x-pixel", Fevent_window_x_pixel, 1, 1, 0, /* | |
| 1993 Return the X position in pixels of mouse event EVENT. | |
| 1994 The value returned is relative to the window the event occurred in. | |
| 1995 This will signal an error if the event is not a mouse event. | |
| 1996 See also `mouse-event-p' and `event-x-pixel'. | |
| 1997 */ | |
| 1998 (event)) | |
| 1999 { | |
| 2000 int x, y; | |
| 2001 | |
| 2002 CHECK_LIVE_EVENT (event); | |
| 2003 | |
| 2004 if (!event_x_y_pixel_internal (event, &x, &y, 1)) | |
| 2005 return wrong_type_argument (Qmouse_event_p, event); | |
| 2006 else | |
| 2007 return make_int (x); | |
| 2008 } | |
| 2009 | |
| 2010 DEFUN ("event-window-y-pixel", Fevent_window_y_pixel, 1, 1, 0, /* | |
| 2011 Return the Y position in pixels of mouse event EVENT. | |
| 2012 The value returned is relative to the window the event occurred in. | |
| 2013 This will signal an error if the event is not a mouse event. | |
| 2014 See also `mouse-event-p' and `event-y-pixel'. | |
| 2015 */ | |
| 2016 (event)) | |
| 2017 { | |
| 2018 int x, y; | |
| 2019 | |
| 2020 CHECK_LIVE_EVENT (event); | |
| 2021 | |
| 2022 if (!event_x_y_pixel_internal (event, &x, &y, 1)) | |
| 2023 return wrong_type_argument (Qmouse_event_p, event); | |
| 2024 else | |
| 2025 return make_int (y); | |
| 2026 } | |
| 2027 | |
| 2028 DEFUN ("event-x-pixel", Fevent_x_pixel, 1, 1, 0, /* | |
| 2029 Return the X position in pixels of mouse event EVENT. | |
| 2030 The value returned is relative to the frame the event occurred in. | |
| 2031 This will signal an error if the event is not a mouse event. | |
| 2032 See also `mouse-event-p' and `event-window-x-pixel'. | |
| 2033 */ | |
| 2034 (event)) | |
| 2035 { | |
| 2036 int x, y; | |
| 2037 | |
| 2038 CHECK_LIVE_EVENT (event); | |
| 2039 | |
| 2040 if (!event_x_y_pixel_internal (event, &x, &y, 0)) | |
| 2041 return wrong_type_argument (Qmouse_event_p, event); | |
| 2042 else | |
| 2043 return make_int (x); | |
| 2044 } | |
| 2045 | |
| 2046 DEFUN ("event-y-pixel", Fevent_y_pixel, 1, 1, 0, /* | |
| 2047 Return the Y position in pixels of mouse event EVENT. | |
| 2048 The value returned is relative to the frame the event occurred in. | |
| 2049 This will signal an error if the event is not a mouse event. | |
| 2050 See also `mouse-event-p' `event-window-y-pixel'. | |
| 2051 */ | |
| 2052 (event)) | |
| 2053 { | |
| 2054 int x, y; | |
| 2055 | |
| 2056 CHECK_LIVE_EVENT (event); | |
| 2057 | |
| 2058 if (!event_x_y_pixel_internal (event, &x, &y, 0)) | |
| 2059 return wrong_type_argument (Qmouse_event_p, event); | |
| 2060 else | |
| 2061 return make_int (y); | |
| 2062 } | |
| 2063 | |
| 2064 /* Given an event, return a value: | |
| 2065 | |
| 2066 OVER_TOOLBAR: over one of the 4 frame toolbars | |
| 2067 OVER_MODELINE: over a modeline | |
| 2068 OVER_BORDER: over an internal border | |
| 2069 OVER_NOTHING: over the text area, but not over text | |
| 2070 OVER_OUTSIDE: outside of the frame border | |
| 2071 OVER_TEXT: over text in the text area | |
| 2072 OVER_V_DIVIDER: over windows vertical divider | |
| 2073 | |
| 2074 and return: | |
| 2075 | |
| 2076 The X char position in CHAR_X, if not a null pointer. | |
| 2077 The Y char position in CHAR_Y, if not a null pointer. | |
| 2078 (These last two values are relative to the window the event is over.) | |
| 2079 The window it's over in W, if not a null pointer. | |
| 2080 The buffer position it's over in BUFP, if not a null pointer. | |
| 2081 The closest buffer position in CLOSEST, if not a null pointer. | |
| 2082 | |
| 2083 OBJ_X, OBJ_Y, OBJ1, and OBJ2 are as in pixel_to_glyph_translation(). | |
| 2084 */ | |
| 2085 | |
| 2086 static int | |
| 2087 event_pixel_translation (Lisp_Object event, int *char_x, int *char_y, | |
| 2088 int *obj_x, int *obj_y, | |
| 665 | 2089 struct window **w, Charbpos *bufp, Charbpos *closest, |
| 428 | 2090 Charcount *modeline_closest, |
| 2091 Lisp_Object *obj1, Lisp_Object *obj2) | |
| 2092 { | |
| 2093 int pix_x = 0; | |
| 2094 int pix_y = 0; | |
| 2095 int result; | |
| 2096 Lisp_Object frame; | |
| 2097 | |
| 2098 int ret_x, ret_y, ret_obj_x, ret_obj_y; | |
| 2099 struct window *ret_w; | |
| 665 | 2100 Charbpos ret_bufp, ret_closest; |
| 428 | 2101 Charcount ret_modeline_closest; |
| 2102 Lisp_Object ret_obj1, ret_obj2; | |
| 2103 | |
| 2104 CHECK_LIVE_EVENT (event); | |
| 934 | 2105 frame = XEVENT_CHANNEL (event); |
| 2106 switch (XEVENT_TYPE (event)) | |
| 2107 { | |
| 2108 case pointer_motion_event : | |
| 1204 | 2109 pix_x = XEVENT_MOTION_X (event); |
| 2110 pix_y = XEVENT_MOTION_Y (event); | |
| 934 | 2111 break; |
| 2112 case button_press_event : | |
| 2113 case button_release_event : | |
| 1204 | 2114 pix_x = XEVENT_BUTTON_X (event); |
| 2115 pix_y = XEVENT_BUTTON_Y (event); | |
| 934 | 2116 break; |
| 2117 case misc_user_event : | |
| 1204 | 2118 pix_x = XEVENT_MISC_USER_X (event); |
| 2119 pix_y = XEVENT_MISC_USER_Y (event); | |
| 934 | 2120 break; |
| 2121 default: | |
| 2122 dead_wrong_type_argument (Qmouse_event_p, event); | |
| 2123 } | |
| 428 | 2124 |
| 2125 result = pixel_to_glyph_translation (XFRAME (frame), pix_x, pix_y, | |
| 2126 &ret_x, &ret_y, &ret_obj_x, &ret_obj_y, | |
| 2127 &ret_w, &ret_bufp, &ret_closest, | |
| 2128 &ret_modeline_closest, | |
| 2129 &ret_obj1, &ret_obj2); | |
| 2130 | |
| 2131 if (result == OVER_NOTHING || result == OVER_OUTSIDE) | |
| 2132 ret_bufp = 0; | |
| 2133 else if (ret_w && NILP (ret_w->buffer)) | |
| 2134 /* Why does this happen? (Does it still happen?) | |
| 2135 I guess the window has gotten reused as a non-leaf... */ | |
| 2136 ret_w = 0; | |
| 2137 | |
| 2138 /* #### pixel_to_glyph_translation() sometimes returns garbage... | |
| 2139 The word has type Lisp_Type_Record (presumably meaning `extent') but the | |
| 2140 pointer points to random memory, often filled with 0, sometimes not. | |
| 2141 */ | |
| 2142 /* #### Chuck, do we still need this crap? */ | |
| 2143 if (!NILP (ret_obj1) && !(GLYPHP (ret_obj1) | |
| 2144 #ifdef HAVE_TOOLBARS | |
| 2145 || TOOLBAR_BUTTONP (ret_obj1) | |
| 2146 #endif | |
| 2147 )) | |
| 2500 | 2148 ABORT (); |
| 428 | 2149 if (!NILP (ret_obj2) && !(EXTENTP (ret_obj2) || CONSP (ret_obj2))) |
| 2500 | 2150 ABORT (); |
| 428 | 2151 |
| 2152 if (char_x) | |
| 2153 *char_x = ret_x; | |
| 2154 if (char_y) | |
| 2155 *char_y = ret_y; | |
| 2156 if (obj_x) | |
| 2157 *obj_x = ret_obj_x; | |
| 2158 if (obj_y) | |
| 2159 *obj_y = ret_obj_y; | |
| 2160 if (w) | |
| 2161 *w = ret_w; | |
| 2162 if (bufp) | |
| 2163 *bufp = ret_bufp; | |
| 2164 if (closest) | |
| 2165 *closest = ret_closest; | |
| 2166 if (modeline_closest) | |
| 2167 *modeline_closest = ret_modeline_closest; | |
| 2168 if (obj1) | |
| 2169 *obj1 = ret_obj1; | |
| 2170 if (obj2) | |
| 2171 *obj2 = ret_obj2; | |
| 2172 | |
| 2173 return result; | |
| 2174 } | |
| 2175 | |
| 2176 DEFUN ("event-over-text-area-p", Fevent_over_text_area_p, 1, 1, 0, /* | |
| 2177 Return t if the mouse event EVENT occurred over the text area of a window. | |
| 2178 The modeline is not considered to be part of the text area. | |
| 2179 */ | |
| 2180 (event)) | |
| 2181 { | |
| 2182 int result = event_pixel_translation (event, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); | |
| 2183 | |
| 2184 return result == OVER_TEXT || result == OVER_NOTHING ? Qt : Qnil; | |
| 2185 } | |
| 2186 | |
| 2187 DEFUN ("event-over-modeline-p", Fevent_over_modeline_p, 1, 1, 0, /* | |
| 2188 Return t if the mouse event EVENT occurred over the modeline of a window. | |
| 2189 */ | |
| 2190 (event)) | |
| 2191 { | |
| 2192 int result = event_pixel_translation (event, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); | |
| 2193 | |
| 2194 return result == OVER_MODELINE ? Qt : Qnil; | |
| 2195 } | |
| 2196 | |
| 2197 DEFUN ("event-over-border-p", Fevent_over_border_p, 1, 1, 0, /* | |
| 2198 Return t if the mouse event EVENT occurred over an internal border. | |
| 2199 */ | |
| 2200 (event)) | |
| 2201 { | |
| 2202 int result = event_pixel_translation (event, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); | |
| 2203 | |
| 2204 return result == OVER_BORDER ? Qt : Qnil; | |
| 2205 } | |
| 2206 | |
| 2207 DEFUN ("event-over-toolbar-p", Fevent_over_toolbar_p, 1, 1, 0, /* | |
| 2208 Return t if the mouse event EVENT occurred over a toolbar. | |
| 2209 */ | |
| 2210 (event)) | |
| 2211 { | |
| 2212 int result = event_pixel_translation (event, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); | |
| 2213 | |
| 2214 return result == OVER_TOOLBAR ? Qt : Qnil; | |
| 2215 } | |
| 2216 | |
| 2217 DEFUN ("event-over-vertical-divider-p", Fevent_over_vertical_divider_p, 1, 1, 0, /* | |
| 2218 Return t if the mouse event EVENT occurred over a window divider. | |
| 2219 */ | |
| 2220 (event)) | |
| 2221 { | |
| 2222 int result = event_pixel_translation (event, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0); | |
| 2223 | |
| 2224 return result == OVER_V_DIVIDER ? Qt : Qnil; | |
| 2225 } | |
| 2226 | |
| 2227 struct console * | |
| 2228 event_console_or_selected (Lisp_Object event) | |
| 2229 { | |
| 2230 Lisp_Object channel = EVENT_CHANNEL (XEVENT (event)); | |
| 2231 Lisp_Object console = CDFW_CONSOLE (channel); | |
| 2232 | |
| 2233 if (NILP (console)) | |
| 2234 console = Vselected_console; | |
| 2235 | |
| 2236 return XCONSOLE (console); | |
| 2237 } | |
| 2238 | |
| 2239 DEFUN ("event-channel", Fevent_channel, 1, 1, 0, /* | |
| 2240 Return the channel that the event EVENT occurred on. | |
| 2241 This will be a frame, device, console, or nil for some types | |
| 2242 of events (e.g. eval events). | |
| 2243 */ | |
| 2244 (event)) | |
| 2245 { | |
| 2246 CHECK_LIVE_EVENT (event); | |
| 2247 return EVENT_CHANNEL (XEVENT (event)); | |
| 2248 } | |
| 2249 | |
| 2250 DEFUN ("event-window", Fevent_window, 1, 1, 0, /* | |
| 2251 Return the window over which mouse event EVENT occurred. | |
| 2252 This may be nil if the event occurred in the border or over a toolbar. | |
| 2253 The modeline is considered to be within the window it describes. | |
| 2254 */ | |
| 2255 (event)) | |
| 2256 { | |
| 2257 struct window *w; | |
| 2258 | |
| 2259 event_pixel_translation (event, 0, 0, 0, 0, &w, 0, 0, 0, 0, 0); | |
| 2260 | |
| 2261 if (!w) | |
| 2262 return Qnil; | |
| 2263 else | |
| 2264 { | |
| 793 | 2265 return wrap_window (w); |
| 428 | 2266 } |
| 2267 } | |
| 2268 | |
| 2269 DEFUN ("event-point", Fevent_point, 1, 1, 0, /* | |
| 2270 Return the character position of the mouse event EVENT. | |
| 2271 If the event did not occur over a window, or did not occur over text, | |
| 2272 then this returns nil. Otherwise, it returns a position in the buffer | |
| 2273 visible in the event's window. | |
| 2274 */ | |
| 2275 (event)) | |
| 2276 { | |
| 665 | 2277 Charbpos bufp; |
| 428 | 2278 struct window *w; |
| 2279 | |
| 2280 event_pixel_translation (event, 0, 0, 0, 0, &w, &bufp, 0, 0, 0, 0); | |
| 2281 | |
| 2282 return w && bufp ? make_int (bufp) : Qnil; | |
| 2283 } | |
| 2284 | |
| 2285 DEFUN ("event-closest-point", Fevent_closest_point, 1, 1, 0, /* | |
| 2286 Return the character position closest to the mouse event EVENT. | |
| 2287 If the event did not occur over a window or over text, return the | |
| 2288 closest point to the location of the event. If the Y pixel position | |
| 2289 overlaps a window and the X pixel position is to the left of that | |
| 2290 window, the closest point is the beginning of the line containing the | |
| 2291 Y position. If the Y pixel position overlaps a window and the X pixel | |
| 2292 position is to the right of that window, the closest point is the end | |
| 2293 of the line containing the Y position. If the Y pixel position is | |
| 2294 above a window, return 0. If it is below the last character in a window, | |
| 2295 return the value of (window-end). | |
| 2296 */ | |
| 2297 (event)) | |
| 2298 { | |
| 665 | 2299 Charbpos bufp; |
| 428 | 2300 |
| 2301 event_pixel_translation (event, 0, 0, 0, 0, 0, 0, &bufp, 0, 0, 0); | |
| 2302 | |
| 2303 return bufp ? make_int (bufp) : Qnil; | |
| 2304 } | |
| 2305 | |
| 2306 DEFUN ("event-x", Fevent_x, 1, 1, 0, /* | |
| 2307 Return the X position of the mouse event EVENT in characters. | |
| 2308 This is relative to the window the event occurred over. | |
| 2309 */ | |
| 2310 (event)) | |
| 2311 { | |
| 2312 int char_x; | |
| 2313 | |
| 2314 event_pixel_translation (event, &char_x, 0, 0, 0, 0, 0, 0, 0, 0, 0); | |
| 2315 | |
| 2316 return make_int (char_x); | |
| 2317 } | |
| 2318 | |
| 2319 DEFUN ("event-y", Fevent_y, 1, 1, 0, /* | |
| 2320 Return the Y position of the mouse event EVENT in characters. | |
| 2321 This is relative to the window the event occurred over. | |
| 2322 */ | |
| 2323 (event)) | |
| 2324 { | |
| 2325 int char_y; | |
| 2326 | |
| 2327 event_pixel_translation (event, 0, &char_y, 0, 0, 0, 0, 0, 0, 0, 0); | |
| 2328 | |
| 2329 return make_int (char_y); | |
| 2330 } | |
| 2331 | |
| 2332 DEFUN ("event-modeline-position", Fevent_modeline_position, 1, 1, 0, /* | |
| 2333 Return the character position in the modeline that EVENT occurred over. | |
| 2334 EVENT should be a mouse event. If EVENT did not occur over a modeline, | |
| 2335 nil is returned. You can determine the actual character that the | |
| 2336 event occurred over by looking in `generated-modeline-string' at the | |
| 2337 returned character position. Note that `generated-modeline-string' | |
| 2338 is buffer-local, and you must use EVENT's buffer when retrieving | |
| 2339 `generated-modeline-string' in order to get accurate results. | |
| 2340 */ | |
| 2341 (event)) | |
| 2342 { | |
| 2343 Charcount mbufp; | |
| 2344 int where; | |
| 2345 | |
| 2346 where = event_pixel_translation (event, 0, 0, 0, 0, 0, 0, 0, &mbufp, 0, 0); | |
| 2347 | |
| 2348 return (mbufp < 0 || where != OVER_MODELINE) ? Qnil : make_int (mbufp); | |
| 2349 } | |
| 2350 | |
| 2351 DEFUN ("event-glyph", Fevent_glyph, 1, 1, 0, /* | |
| 2352 Return the glyph that the mouse event EVENT occurred over, or nil. | |
| 2353 */ | |
| 2354 (event)) | |
| 2355 { | |
| 2356 Lisp_Object glyph; | |
| 2357 struct window *w; | |
| 2358 | |
| 2359 event_pixel_translation (event, 0, 0, 0, 0, &w, 0, 0, 0, &glyph, 0); | |
| 2360 | |
| 2361 return w && GLYPHP (glyph) ? glyph : Qnil; | |
| 2362 } | |
| 2363 | |
| 2364 DEFUN ("event-glyph-extent", Fevent_glyph_extent, 1, 1, 0, /* | |
| 2365 Return the extent of the glyph that the mouse event EVENT occurred over. | |
| 2366 If the event did not occur over a glyph, nil is returned. | |
| 2367 */ | |
| 2368 (event)) | |
| 2369 { | |
| 2370 Lisp_Object extent; | |
| 2371 struct window *w; | |
| 2372 | |
| 2373 event_pixel_translation (event, 0, 0, 0, 0, &w, 0, 0, 0, 0, &extent); | |
| 2374 | |
| 2375 return w && EXTENTP (extent) ? extent : Qnil; | |
| 2376 } | |
| 2377 | |
| 2378 DEFUN ("event-glyph-x-pixel", Fevent_glyph_x_pixel, 1, 1, 0, /* | |
| 2379 Return the X pixel position of EVENT relative to the glyph it occurred over. | |
| 2380 EVENT should be a mouse event. If the event did not occur over a glyph, | |
| 2381 nil is returned. | |
| 2382 */ | |
| 2383 (event)) | |
| 2384 { | |
| 2385 Lisp_Object extent; | |
| 2386 struct window *w; | |
| 2387 int obj_x; | |
| 2388 | |
| 2389 event_pixel_translation (event, 0, 0, &obj_x, 0, &w, 0, 0, 0, 0, &extent); | |
| 2390 | |
| 2391 return w && EXTENTP (extent) ? make_int (obj_x) : Qnil; | |
| 2392 } | |
| 2393 | |
| 2394 DEFUN ("event-glyph-y-pixel", Fevent_glyph_y_pixel, 1, 1, 0, /* | |
| 2395 Return the Y pixel position of EVENT relative to the glyph it occurred over. | |
| 2396 EVENT should be a mouse event. If the event did not occur over a glyph, | |
| 2397 nil is returned. | |
| 2398 */ | |
| 2399 (event)) | |
| 2400 { | |
| 2401 Lisp_Object extent; | |
| 2402 struct window *w; | |
| 2403 int obj_y; | |
| 2404 | |
| 2405 event_pixel_translation (event, 0, 0, 0, &obj_y, &w, 0, 0, 0, 0, &extent); | |
| 2406 | |
| 2407 return w && EXTENTP (extent) ? make_int (obj_y) : Qnil; | |
| 2408 } | |
| 2409 | |
| 2410 DEFUN ("event-toolbar-button", Fevent_toolbar_button, 1, 1, 0, /* | |
| 2411 Return the toolbar button that the mouse event EVENT occurred over. | |
| 2412 If the event did not occur over a toolbar button, nil is returned. | |
| 2413 */ | |
| 2340 | 2414 (USED_IF_TOOLBARS (event))) |
| 428 | 2415 { |
| 2416 #ifdef HAVE_TOOLBARS | |
| 2417 Lisp_Object button; | |
| 2418 | |
| 2419 int result = event_pixel_translation (event, 0, 0, 0, 0, 0, 0, 0, 0, &button, 0); | |
| 2420 | |
| 2421 return result == OVER_TOOLBAR && TOOLBAR_BUTTONP (button) ? button : Qnil; | |
| 2422 #else | |
| 2423 return Qnil; | |
| 2424 #endif | |
| 2425 } | |
| 2426 | |
| 2427 DEFUN ("event-process", Fevent_process, 1, 1, 0, /* | |
| 444 | 2428 Return the process of the process-output event EVENT. |
| 428 | 2429 */ |
| 2430 (event)) | |
| 2431 { | |
| 934 | 2432 CHECK_EVENT_TYPE (event, process_event, Qprocess_event_p); |
| 1204 | 2433 return XEVENT_PROCESS_PROCESS (event); |
| 428 | 2434 } |
| 2435 | |
| 2436 DEFUN ("event-function", Fevent_function, 1, 1, 0, /* | |
| 2437 Return the callback function of EVENT. | |
| 2438 EVENT should be a timeout, misc-user, or eval event. | |
| 2439 */ | |
| 2440 (event)) | |
| 2441 { | |
| 2442 again: | |
| 2443 CHECK_LIVE_EVENT (event); | |
| 934 | 2444 switch (XEVENT_TYPE (event)) |
| 2445 { | |
| 2446 case timeout_event: | |
| 1204 | 2447 return XEVENT_TIMEOUT_FUNCTION (event); |
| 934 | 2448 case misc_user_event: |
| 1204 | 2449 return XEVENT_MISC_USER_FUNCTION (event); |
| 934 | 2450 case eval_event: |
| 1204 | 2451 return XEVENT_EVAL_FUNCTION (event); |
| 934 | 2452 default: |
| 2453 event = wrong_type_argument (intern ("timeout-or-eval-event-p"), event); | |
| 2454 goto again; | |
| 2455 } | |
| 428 | 2456 } |
| 2457 | |
| 2458 DEFUN ("event-object", Fevent_object, 1, 1, 0, /* | |
| 2459 Return the callback function argument of EVENT. | |
| 2460 EVENT should be a timeout, misc-user, or eval event. | |
| 2461 */ | |
| 2462 (event)) | |
| 2463 { | |
| 2464 again: | |
| 2465 CHECK_LIVE_EVENT (event); | |
| 934 | 2466 switch (XEVENT_TYPE (event)) |
| 2467 { | |
| 2468 case timeout_event: | |
| 1204 | 2469 return XEVENT_TIMEOUT_OBJECT (event); |
| 934 | 2470 case misc_user_event: |
| 1204 | 2471 return XEVENT_MISC_USER_OBJECT (event); |
| 934 | 2472 case eval_event: |
| 1204 | 2473 return XEVENT_EVAL_OBJECT (event); |
| 934 | 2474 default: |
| 2475 event = wrong_type_argument (intern ("timeout-or-eval-event-p"), event); | |
| 2476 goto again; | |
| 2477 } | |
| 428 | 2478 } |
| 2479 | |
| 2480 DEFUN ("event-properties", Fevent_properties, 1, 1, 0, /* | |
| 2481 Return a list of all of the properties of EVENT. | |
| 2482 This is in the form of a property list (alternating keyword/value pairs). | |
| 2483 */ | |
| 2484 (event)) | |
| 2485 { | |
| 2486 Lisp_Object props = Qnil; | |
| 440 | 2487 Lisp_Event *e; |
| 428 | 2488 struct gcpro gcpro1; |
| 2489 | |
| 2490 CHECK_LIVE_EVENT (event); | |
| 2491 e = XEVENT (event); | |
| 2492 GCPRO1 (props); | |
| 2493 | |
| 2494 props = cons3 (Qtimestamp, Fevent_timestamp (event), props); | |
| 2495 | |
| 934 | 2496 switch (EVENT_TYPE (e)) |
| 428 | 2497 { |
| 2500 | 2498 default: ABORT (); |
| 428 | 2499 |
| 2500 case process_event: | |
| 1204 | 2501 props = cons3 (Qprocess, EVENT_PROCESS_PROCESS (e), props); |
| 428 | 2502 break; |
| 2503 | |
| 2504 case timeout_event: | |
| 2505 props = cons3 (Qobject, Fevent_object (event), props); | |
| 2506 props = cons3 (Qfunction, Fevent_function (event), props); | |
| 1204 | 2507 props = cons3 (Qid, make_int (EVENT_TIMEOUT_ID_NUMBER (e)), props); |
| 428 | 2508 break; |
| 2509 | |
| 2510 case key_press_event: | |
| 2511 props = cons3 (Qmodifiers, Fevent_modifiers (event), props); | |
| 2512 props = cons3 (Qkey, Fevent_key (event), props); | |
| 2513 break; | |
| 2514 | |
| 2515 case button_press_event: | |
| 2516 case button_release_event: | |
| 2517 props = cons3 (Qy, Fevent_y_pixel (event), props); | |
| 2518 props = cons3 (Qx, Fevent_x_pixel (event), props); | |
| 2519 props = cons3 (Qmodifiers, Fevent_modifiers (event), props); | |
| 2520 props = cons3 (Qbutton, Fevent_button (event), props); | |
| 2521 break; | |
| 2522 | |
| 2523 case pointer_motion_event: | |
| 2524 props = cons3 (Qmodifiers, Fevent_modifiers (event), props); | |
| 2525 props = cons3 (Qy, Fevent_y_pixel (event), props); | |
| 2526 props = cons3 (Qx, Fevent_x_pixel (event), props); | |
| 2527 break; | |
| 2528 | |
| 2529 case misc_user_event: | |
| 2530 props = cons3 (Qobject, Fevent_object (event), props); | |
| 2531 props = cons3 (Qfunction, Fevent_function (event), props); | |
| 2532 props = cons3 (Qy, Fevent_y_pixel (event), props); | |
| 2533 props = cons3 (Qx, Fevent_x_pixel (event), props); | |
| 2534 props = cons3 (Qmodifiers, Fevent_modifiers (event), props); | |
| 2535 props = cons3 (Qbutton, Fevent_button (event), props); | |
| 2536 break; | |
| 2537 | |
| 2538 case eval_event: | |
| 2539 props = cons3 (Qobject, Fevent_object (event), props); | |
| 2540 props = cons3 (Qfunction, Fevent_function (event), props); | |
| 2541 break; | |
| 2542 | |
| 2543 case magic_eval_event: | |
| 2544 case magic_event: | |
| 2545 break; | |
| 2546 | |
| 2547 case empty_event: | |
| 2548 RETURN_UNGCPRO (Qnil); | |
| 2549 break; | |
| 2550 } | |
| 2551 | |
| 2552 props = cons3 (Qchannel, Fevent_channel (event), props); | |
| 2553 UNGCPRO; | |
| 2554 | |
| 2555 return props; | |
| 2556 } | |
| 2557 | |
| 2558 | |
| 2559 /************************************************************************/ | |
| 2560 /* initialization */ | |
| 2561 /************************************************************************/ | |
| 2562 | |
| 2563 void | |
| 2564 syms_of_events (void) | |
| 2565 { | |
|
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2566 INIT_LISP_OBJECT (event); |
| 1204 | 2567 #ifdef EVENT_DATA_AS_OBJECTS |
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2568 INIT_LISP_OBJECT (key_data); |
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2569 INIT_LISP_OBJECT (button_data); |
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2570 INIT_LISP_OBJECT (motion_data); |
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2571 INIT_LISP_OBJECT (process_data); |
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2572 INIT_LISP_OBJECT (timeout_data); |
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2573 INIT_LISP_OBJECT (eval_data); |
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2574 INIT_LISP_OBJECT (misc_user_data); |
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2575 INIT_LISP_OBJECT (magic_eval_data); |
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2576 INIT_LISP_OBJECT (magic_data); |
| 1204 | 2577 #endif /* EVENT_DATA_AS_OBJECTS */ |
| 442 | 2578 |
| 428 | 2579 DEFSUBR (Fcharacter_to_event); |
| 2580 DEFSUBR (Fevent_to_character); | |
| 2581 | |
| 2582 DEFSUBR (Fmake_event); | |
| 2583 DEFSUBR (Fdeallocate_event); | |
| 2584 DEFSUBR (Fcopy_event); | |
| 2585 DEFSUBR (Feventp); | |
| 2586 DEFSUBR (Fevent_live_p); | |
| 2587 DEFSUBR (Fevent_type); | |
| 2588 DEFSUBR (Fevent_properties); | |
| 2589 | |
| 2590 DEFSUBR (Fevent_timestamp); | |
| 442 | 2591 DEFSUBR (Fevent_timestamp_lessp); |
| 428 | 2592 DEFSUBR (Fevent_key); |
| 2593 DEFSUBR (Fevent_button); | |
| 2594 DEFSUBR (Fevent_modifier_bits); | |
| 2595 DEFSUBR (Fevent_modifiers); | |
| 2596 DEFSUBR (Fevent_x_pixel); | |
| 2597 DEFSUBR (Fevent_y_pixel); | |
| 2598 DEFSUBR (Fevent_window_x_pixel); | |
| 2599 DEFSUBR (Fevent_window_y_pixel); | |
| 2600 DEFSUBR (Fevent_over_text_area_p); | |
| 2601 DEFSUBR (Fevent_over_modeline_p); | |
| 2602 DEFSUBR (Fevent_over_border_p); | |
| 2603 DEFSUBR (Fevent_over_toolbar_p); | |
| 2604 DEFSUBR (Fevent_over_vertical_divider_p); | |
| 2605 DEFSUBR (Fevent_channel); | |
| 2606 DEFSUBR (Fevent_window); | |
| 2607 DEFSUBR (Fevent_point); | |
| 2608 DEFSUBR (Fevent_closest_point); | |
| 2609 DEFSUBR (Fevent_x); | |
| 2610 DEFSUBR (Fevent_y); | |
| 2611 DEFSUBR (Fevent_modeline_position); | |
| 2612 DEFSUBR (Fevent_glyph); | |
| 2613 DEFSUBR (Fevent_glyph_extent); | |
| 2614 DEFSUBR (Fevent_glyph_x_pixel); | |
| 2615 DEFSUBR (Fevent_glyph_y_pixel); | |
| 2616 DEFSUBR (Fevent_toolbar_button); | |
| 2617 DEFSUBR (Fevent_process); | |
| 2618 DEFSUBR (Fevent_function); | |
| 2619 DEFSUBR (Fevent_object); | |
| 2620 | |
| 563 | 2621 DEFSYMBOL (Qeventp); |
| 2622 DEFSYMBOL (Qevent_live_p); | |
| 2623 DEFSYMBOL (Qkey_press_event_p); | |
| 2624 DEFSYMBOL (Qbutton_event_p); | |
| 2625 DEFSYMBOL (Qmouse_event_p); | |
| 2626 DEFSYMBOL (Qprocess_event_p); | |
| 2627 DEFSYMBOL (Qkey_press); | |
| 2628 DEFSYMBOL (Qbutton_press); | |
| 2629 DEFSYMBOL (Qbutton_release); | |
| 2630 DEFSYMBOL (Qmisc_user); | |
| 2828 | 2631 DEFSYMBOL (Qcharacter_of_keysym); |
| 563 | 2632 DEFSYMBOL (Qascii_character); |
| 428 | 2633 |
| 2634 defsymbol (&QKbackspace, "backspace"); | |
| 2635 defsymbol (&QKtab, "tab"); | |
| 2636 defsymbol (&QKlinefeed, "linefeed"); | |
| 2637 defsymbol (&QKreturn, "return"); | |
| 2638 defsymbol (&QKescape, "escape"); | |
| 2639 defsymbol (&QKspace, "space"); | |
| 2640 defsymbol (&QKdelete, "delete"); | |
| 2641 } | |
| 2642 | |
| 2643 | |
| 2644 void | |
| 2645 reinit_vars_of_events (void) | |
| 2646 { | |
| 2647 Vevent_resource = Qnil; | |
| 3092 | 2648 #ifdef NEW_GC |
| 2649 staticpro (&Vevent_resource); | |
| 2650 #endif /* NEW_GC */ | |
| 428 | 2651 } |
| 2652 | |
| 2653 void | |
| 2654 vars_of_events (void) | |
| 2655 { | |
| 2656 } |