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a09e091a JB |
1 | /************************************************************ |
2 | ||
3 | Copyright 1989, 1998 The Open Group | |
4 | ||
5 | Permission to use, copy, modify, distribute, and sell this software and its | |
6 | documentation for any purpose is hereby granted without fee, provided that | |
7 | the above copyright notice appear in all copies and that both that | |
8 | copyright notice and this permission notice appear in supporting | |
9 | documentation. | |
10 | ||
11 | The above copyright notice and this permission notice shall be included in | |
12 | all copies or substantial portions of the Software. | |
13 | ||
14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE | |
17 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN | |
18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN | |
19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |
20 | ||
21 | Except as contained in this notice, the name of The Open Group shall not be | |
22 | used in advertising or otherwise to promote the sale, use or other dealings | |
23 | in this Software without prior written authorization from The Open Group. | |
24 | ||
25 | Copyright 1989 by Hewlett-Packard Company, Palo Alto, California. | |
26 | ||
27 | All Rights Reserved | |
28 | ||
29 | Permission to use, copy, modify, and distribute this software and its | |
30 | documentation for any purpose and without fee is hereby granted, | |
31 | provided that the above copyright notice appear in all copies and that | |
32 | both that copyright notice and this permission notice appear in | |
33 | supporting documentation, and that the name of Hewlett-Packard not be | |
34 | used in advertising or publicity pertaining to distribution of the | |
35 | software without specific, written prior permission. | |
36 | ||
37 | HEWLETT-PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING | |
38 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL | |
39 | HEWLETT-PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR | |
40 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, | |
41 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, | |
42 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS | |
43 | SOFTWARE. | |
44 | ||
45 | ********************************************************/ | |
46 | ||
47 | /* | |
48 | * Copyright © 2010 Collabora Ltd. | |
49 | * Copyright © 2011 Red Hat, Inc. | |
50 | * | |
51 | * Permission is hereby granted, free of charge, to any person obtaining a | |
52 | * copy of this software and associated documentation files (the "Software"), | |
53 | * to deal in the Software without restriction, including without limitation | |
54 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |
55 | * and/or sell copies of the Software, and to permit persons to whom the | |
56 | * Software is furnished to do so, subject to the following conditions: | |
57 | * | |
58 | * The above copyright notice and this permission notice (including the next | |
59 | * paragraph) shall be included in all copies or substantial portions of the | |
60 | * Software. | |
61 | * | |
62 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |
63 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |
64 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |
65 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |
66 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |
67 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |
68 | * DEALINGS IN THE SOFTWARE. | |
69 | * | |
70 | * Author: Daniel Stone <daniel@fooishbar.org> | |
71 | */ | |
72 | ||
73 | /******************************************************************** | |
74 | * | |
75 | * Routines to register and initialize extension input devices. | |
76 | * This also contains ProcessOtherEvent, the routine called from DDX | |
77 | * to route extension events. | |
78 | * | |
79 | */ | |
80 | ||
81 | #ifdef HAVE_DIX_CONFIG_H | |
82 | #include <dix-config.h> | |
83 | #endif | |
84 | ||
85 | #include "inputstr.h" | |
86 | #include <X11/X.h> | |
87 | #include <X11/Xproto.h> | |
88 | #include <X11/extensions/XI.h> | |
89 | #include <X11/extensions/XIproto.h> | |
90 | #include <X11/extensions/XI2proto.h> | |
91 | #include <X11/extensions/geproto.h> | |
92 | #include "windowstr.h" | |
93 | #include "miscstruct.h" | |
94 | #include "region.h" | |
95 | #include "exevents.h" | |
96 | #include "extnsionst.h" | |
97 | #include "exglobals.h" | |
98 | #include "dixevents.h" /* DeliverFocusedEvent */ | |
99 | #include "dixgrabs.h" /* CreateGrab() */ | |
100 | #include "scrnintstr.h" | |
101 | #include "listdev.h" /* for CopySwapXXXClass */ | |
102 | #include "xace.h" | |
103 | #include "xiquerydevice.h" /* For List*Info */ | |
104 | #include "eventconvert.h" | |
105 | #include "eventstr.h" | |
106 | #include "inpututils.h" | |
107 | #include "mi.h" | |
108 | ||
109 | #include <X11/extensions/XKBproto.h> | |
110 | #include "xkbsrv.h" | |
111 | ||
112 | #define WID(w) ((w) ? ((w)->drawable.id) : 0) | |
113 | #define AllModifiersMask ( \ | |
114 | ShiftMask | LockMask | ControlMask | Mod1Mask | Mod2Mask | \ | |
115 | Mod3Mask | Mod4Mask | Mod5Mask ) | |
116 | #define AllButtonsMask ( \ | |
117 | Button1Mask | Button2Mask | Button3Mask | Button4Mask | Button5Mask ) | |
118 | ||
119 | Bool ShouldFreeInputMasks(WindowPtr /* pWin */ , | |
120 | Bool /* ignoreSelectedEvents */ | |
121 | ); | |
122 | static Bool MakeInputMasks(WindowPtr /* pWin */ | |
123 | ); | |
124 | ||
125 | /* | |
126 | * Only let the given client know of core events which will affect its | |
127 | * interpretation of input events, if the client's ClientPointer (or the | |
128 | * paired keyboard) is the current device. | |
129 | */ | |
130 | int | |
131 | XIShouldNotify(ClientPtr client, DeviceIntPtr dev) | |
132 | { | |
133 | DeviceIntPtr current_ptr = PickPointer(client); | |
134 | DeviceIntPtr current_kbd = GetMaster(current_ptr, KEYBOARD_OR_FLOAT); | |
135 | ||
136 | if (dev == current_kbd || dev == current_ptr) | |
137 | return 1; | |
138 | ||
139 | return 0; | |
140 | } | |
141 | ||
142 | Bool | |
143 | IsPointerEvent(InternalEvent *event) | |
144 | { | |
145 | switch (event->any.type) { | |
146 | case ET_ButtonPress: | |
147 | case ET_ButtonRelease: | |
148 | case ET_Motion: | |
149 | /* XXX: enter/leave ?? */ | |
150 | return TRUE; | |
151 | default: | |
152 | break; | |
153 | } | |
154 | return FALSE; | |
155 | } | |
156 | ||
157 | Bool | |
158 | IsTouchEvent(InternalEvent *event) | |
159 | { | |
160 | switch (event->any.type) { | |
161 | case ET_TouchBegin: | |
162 | case ET_TouchUpdate: | |
163 | case ET_TouchEnd: | |
164 | return TRUE; | |
165 | default: | |
166 | break; | |
167 | } | |
168 | return FALSE; | |
169 | } | |
170 | ||
171 | /** | |
172 | * @return the device matching the deviceid of the device set in the event, or | |
173 | * NULL if the event is not an XInput event. | |
174 | */ | |
175 | DeviceIntPtr | |
176 | XIGetDevice(xEvent *xE) | |
177 | { | |
178 | DeviceIntPtr pDev = NULL; | |
179 | ||
180 | if (xE->u.u.type == DeviceButtonPress || | |
181 | xE->u.u.type == DeviceButtonRelease || | |
182 | xE->u.u.type == DeviceMotionNotify || | |
183 | xE->u.u.type == ProximityIn || | |
184 | xE->u.u.type == ProximityOut || xE->u.u.type == DevicePropertyNotify) { | |
185 | int rc; | |
186 | int id; | |
187 | ||
188 | id = ((deviceKeyButtonPointer *) xE)->deviceid & ~MORE_EVENTS; | |
189 | ||
190 | rc = dixLookupDevice(&pDev, id, serverClient, DixUnknownAccess); | |
191 | if (rc != Success) | |
192 | ErrorF("[dix] XIGetDevice failed on XACE restrictions (%d)\n", rc); | |
193 | } | |
194 | return pDev; | |
195 | } | |
196 | ||
197 | /** | |
198 | * Copy the device->key into master->key and send a mapping notify to the | |
199 | * clients if appropriate. | |
200 | * master->key needs to be allocated by the caller. | |
201 | * | |
202 | * Device is the slave device. If it is attached to a master device, we may | |
203 | * need to send a mapping notify to the client because it causes the MD | |
204 | * to change state. | |
205 | * | |
206 | * Mapping notify needs to be sent in the following cases: | |
207 | * - different slave device on same master | |
208 | * - different master | |
209 | * | |
210 | * XXX: They way how the code is we also send a map notify if the slave device | |
211 | * stays the same, but the master changes. This isn't really necessary though. | |
212 | * | |
213 | * XXX: this gives you funny behaviour with the ClientPointer. When a | |
214 | * MappingNotify is sent to the client, the client usually responds with a | |
215 | * GetKeyboardMapping. This will retrieve the ClientPointer's keyboard | |
216 | * mapping, regardless of which keyboard sent the last mapping notify request. | |
217 | * So depending on the CP setting, your keyboard may change layout in each | |
218 | * app... | |
219 | * | |
220 | * This code is basically the old SwitchCoreKeyboard. | |
221 | */ | |
222 | ||
223 | void | |
224 | CopyKeyClass(DeviceIntPtr device, DeviceIntPtr master) | |
225 | { | |
226 | KeyClassPtr mk = master->key; | |
227 | ||
228 | if (device == master) | |
229 | return; | |
230 | ||
231 | mk->sourceid = device->id; | |
232 | ||
233 | if (!XkbCopyDeviceKeymap(master, device)) | |
234 | FatalError("Couldn't pivot keymap from device to core!\n"); | |
235 | } | |
236 | ||
237 | /** | |
238 | * Copies the feedback classes from device "from" into device "to". Classes | |
239 | * are duplicated (not just flipping the pointers). All feedback classes are | |
240 | * linked lists, the full list is duplicated. | |
241 | */ | |
242 | static void | |
243 | DeepCopyFeedbackClasses(DeviceIntPtr from, DeviceIntPtr to) | |
244 | { | |
245 | ClassesPtr classes; | |
246 | ||
247 | if (from->intfeed) { | |
248 | IntegerFeedbackPtr *i, it; | |
249 | ||
250 | if (!to->intfeed) { | |
251 | classes = to->unused_classes; | |
252 | to->intfeed = classes->intfeed; | |
253 | classes->intfeed = NULL; | |
254 | } | |
255 | ||
256 | i = &to->intfeed; | |
257 | for (it = from->intfeed; it; it = it->next) { | |
258 | if (!(*i)) { | |
259 | *i = calloc(1, sizeof(IntegerFeedbackClassRec)); | |
260 | if (!(*i)) { | |
261 | ErrorF("[Xi] Cannot alloc memory for class copy."); | |
262 | return; | |
263 | } | |
264 | } | |
265 | (*i)->CtrlProc = it->CtrlProc; | |
266 | (*i)->ctrl = it->ctrl; | |
267 | ||
268 | i = &(*i)->next; | |
269 | } | |
270 | } | |
271 | else if (to->intfeed && !from->intfeed) { | |
272 | classes = to->unused_classes; | |
273 | classes->intfeed = to->intfeed; | |
274 | to->intfeed = NULL; | |
275 | } | |
276 | ||
277 | if (from->stringfeed) { | |
278 | StringFeedbackPtr *s, it; | |
279 | ||
280 | if (!to->stringfeed) { | |
281 | classes = to->unused_classes; | |
282 | to->stringfeed = classes->stringfeed; | |
283 | classes->stringfeed = NULL; | |
284 | } | |
285 | ||
286 | s = &to->stringfeed; | |
287 | for (it = from->stringfeed; it; it = it->next) { | |
288 | if (!(*s)) { | |
289 | *s = calloc(1, sizeof(StringFeedbackClassRec)); | |
290 | if (!(*s)) { | |
291 | ErrorF("[Xi] Cannot alloc memory for class copy."); | |
292 | return; | |
293 | } | |
294 | } | |
295 | (*s)->CtrlProc = it->CtrlProc; | |
296 | (*s)->ctrl = it->ctrl; | |
297 | ||
298 | s = &(*s)->next; | |
299 | } | |
300 | } | |
301 | else if (to->stringfeed && !from->stringfeed) { | |
302 | classes = to->unused_classes; | |
303 | classes->stringfeed = to->stringfeed; | |
304 | to->stringfeed = NULL; | |
305 | } | |
306 | ||
307 | if (from->bell) { | |
308 | BellFeedbackPtr *b, it; | |
309 | ||
310 | if (!to->bell) { | |
311 | classes = to->unused_classes; | |
312 | to->bell = classes->bell; | |
313 | classes->bell = NULL; | |
314 | } | |
315 | ||
316 | b = &to->bell; | |
317 | for (it = from->bell; it; it = it->next) { | |
318 | if (!(*b)) { | |
319 | *b = calloc(1, sizeof(BellFeedbackClassRec)); | |
320 | if (!(*b)) { | |
321 | ErrorF("[Xi] Cannot alloc memory for class copy."); | |
322 | return; | |
323 | } | |
324 | } | |
325 | (*b)->BellProc = it->BellProc; | |
326 | (*b)->CtrlProc = it->CtrlProc; | |
327 | (*b)->ctrl = it->ctrl; | |
328 | ||
329 | b = &(*b)->next; | |
330 | } | |
331 | } | |
332 | else if (to->bell && !from->bell) { | |
333 | classes = to->unused_classes; | |
334 | classes->bell = to->bell; | |
335 | to->bell = NULL; | |
336 | } | |
337 | ||
338 | if (from->leds) { | |
339 | LedFeedbackPtr *l, it; | |
340 | ||
341 | if (!to->leds) { | |
342 | classes = to->unused_classes; | |
343 | to->leds = classes->leds; | |
344 | classes->leds = NULL; | |
345 | } | |
346 | ||
347 | l = &to->leds; | |
348 | for (it = from->leds; it; it = it->next) { | |
349 | if (!(*l)) { | |
350 | *l = calloc(1, sizeof(LedFeedbackClassRec)); | |
351 | if (!(*l)) { | |
352 | ErrorF("[Xi] Cannot alloc memory for class copy."); | |
353 | return; | |
354 | } | |
355 | } | |
356 | (*l)->CtrlProc = it->CtrlProc; | |
357 | (*l)->ctrl = it->ctrl; | |
358 | if ((*l)->xkb_sli) | |
359 | XkbFreeSrvLedInfo((*l)->xkb_sli); | |
360 | (*l)->xkb_sli = XkbCopySrvLedInfo(from, it->xkb_sli, NULL, *l); | |
361 | ||
362 | l = &(*l)->next; | |
363 | } | |
364 | } | |
365 | else if (to->leds && !from->leds) { | |
366 | classes = to->unused_classes; | |
367 | classes->leds = to->leds; | |
368 | to->leds = NULL; | |
369 | } | |
370 | } | |
371 | ||
372 | static void | |
373 | DeepCopyKeyboardClasses(DeviceIntPtr from, DeviceIntPtr to) | |
374 | { | |
375 | ClassesPtr classes; | |
376 | ||
377 | /* XkbInitDevice (->XkbInitIndicatorMap->XkbFindSrvLedInfo) relies on the | |
378 | * kbdfeed to be set up properly, so let's do the feedback classes first. | |
379 | */ | |
380 | if (from->kbdfeed) { | |
381 | KbdFeedbackPtr *k, it; | |
382 | ||
383 | if (!to->kbdfeed) { | |
384 | classes = to->unused_classes; | |
385 | ||
386 | to->kbdfeed = classes->kbdfeed; | |
387 | if (!to->kbdfeed) | |
388 | InitKeyboardDeviceStruct(to, NULL, NULL, NULL); | |
389 | classes->kbdfeed = NULL; | |
390 | } | |
391 | ||
392 | k = &to->kbdfeed; | |
393 | for (it = from->kbdfeed; it; it = it->next) { | |
394 | if (!(*k)) { | |
395 | *k = calloc(1, sizeof(KbdFeedbackClassRec)); | |
396 | if (!*k) { | |
397 | ErrorF("[Xi] Cannot alloc memory for class copy."); | |
398 | return; | |
399 | } | |
400 | } | |
401 | (*k)->BellProc = it->BellProc; | |
402 | (*k)->CtrlProc = it->CtrlProc; | |
403 | (*k)->ctrl = it->ctrl; | |
404 | if ((*k)->xkb_sli) | |
405 | XkbFreeSrvLedInfo((*k)->xkb_sli); | |
406 | (*k)->xkb_sli = XkbCopySrvLedInfo(from, it->xkb_sli, *k, NULL); | |
407 | ||
408 | k = &(*k)->next; | |
409 | } | |
410 | } | |
411 | else if (to->kbdfeed && !from->kbdfeed) { | |
412 | classes = to->unused_classes; | |
413 | classes->kbdfeed = to->kbdfeed; | |
414 | to->kbdfeed = NULL; | |
415 | } | |
416 | ||
417 | if (from->key) { | |
418 | if (!to->key) { | |
419 | classes = to->unused_classes; | |
420 | to->key = classes->key; | |
421 | if (!to->key) | |
422 | InitKeyboardDeviceStruct(to, NULL, NULL, NULL); | |
423 | else | |
424 | classes->key = NULL; | |
425 | } | |
426 | ||
427 | CopyKeyClass(from, to); | |
428 | } | |
429 | else if (to->key && !from->key) { | |
430 | classes = to->unused_classes; | |
431 | classes->key = to->key; | |
432 | to->key = NULL; | |
433 | } | |
434 | ||
435 | /* If a SrvLedInfoPtr's flags are XkbSLI_IsDefault, the names and maps | |
436 | * pointer point into the xkbInfo->desc struct. XkbCopySrvLedInfo | |
437 | * didn't update the pointers so we need to do it manually here. | |
438 | */ | |
439 | if (to->kbdfeed) { | |
440 | KbdFeedbackPtr k; | |
441 | ||
442 | for (k = to->kbdfeed; k; k = k->next) { | |
443 | if (!k->xkb_sli) | |
444 | continue; | |
445 | if (k->xkb_sli->flags & XkbSLI_IsDefault) { | |
446 | k->xkb_sli->names = to->key->xkbInfo->desc->names->indicators; | |
447 | k->xkb_sli->maps = to->key->xkbInfo->desc->indicators->maps; | |
448 | } | |
449 | } | |
450 | } | |
451 | ||
452 | /* We can't just copy over the focus class. When an app sets the focus, | |
453 | * it'll do so on the master device. Copying the SDs focus means losing | |
454 | * the focus. | |
455 | * So we only copy the focus class if the device didn't have one, | |
456 | * otherwise we leave it as it is. | |
457 | */ | |
458 | if (from->focus) { | |
459 | if (!to->focus) { | |
460 | WindowPtr *oldTrace; | |
461 | ||
462 | classes = to->unused_classes; | |
463 | to->focus = classes->focus; | |
464 | if (!to->focus) { | |
465 | to->focus = calloc(1, sizeof(FocusClassRec)); | |
466 | if (!to->focus) | |
467 | FatalError("[Xi] no memory for class shift.\n"); | |
468 | } | |
469 | else | |
470 | classes->focus = NULL; | |
471 | ||
472 | oldTrace = to->focus->trace; | |
473 | memcpy(to->focus, from->focus, sizeof(FocusClassRec)); | |
474 | to->focus->trace = realloc(oldTrace, | |
475 | to->focus->traceSize * | |
476 | sizeof(WindowPtr)); | |
477 | if (!to->focus->trace && to->focus->traceSize) | |
478 | FatalError("[Xi] no memory for trace.\n"); | |
479 | memcpy(to->focus->trace, from->focus->trace, | |
480 | from->focus->traceSize * sizeof(WindowPtr)); | |
481 | to->focus->sourceid = from->id; | |
482 | } | |
483 | } | |
484 | else if (to->focus) { | |
485 | classes = to->unused_classes; | |
486 | classes->focus = to->focus; | |
487 | to->focus = NULL; | |
488 | } | |
489 | ||
490 | } | |
491 | ||
492 | /* FIXME: this should really be shared with the InitValuatorAxisClassRec and | |
493 | * similar */ | |
494 | static void | |
495 | DeepCopyPointerClasses(DeviceIntPtr from, DeviceIntPtr to) | |
496 | { | |
497 | ClassesPtr classes; | |
498 | ||
499 | /* Feedback classes must be copied first */ | |
500 | if (from->ptrfeed) { | |
501 | PtrFeedbackPtr *p, it; | |
502 | ||
503 | if (!to->ptrfeed) { | |
504 | classes = to->unused_classes; | |
505 | to->ptrfeed = classes->ptrfeed; | |
506 | classes->ptrfeed = NULL; | |
507 | } | |
508 | ||
509 | p = &to->ptrfeed; | |
510 | for (it = from->ptrfeed; it; it = it->next) { | |
511 | if (!(*p)) { | |
512 | *p = calloc(1, sizeof(PtrFeedbackClassRec)); | |
513 | if (!*p) { | |
514 | ErrorF("[Xi] Cannot alloc memory for class copy."); | |
515 | return; | |
516 | } | |
517 | } | |
518 | (*p)->CtrlProc = it->CtrlProc; | |
519 | (*p)->ctrl = it->ctrl; | |
520 | ||
521 | p = &(*p)->next; | |
522 | } | |
523 | } | |
524 | else if (to->ptrfeed && !from->ptrfeed) { | |
525 | classes = to->unused_classes; | |
526 | classes->ptrfeed = to->ptrfeed; | |
527 | to->ptrfeed = NULL; | |
528 | } | |
529 | ||
530 | if (from->valuator) { | |
531 | ValuatorClassPtr v; | |
532 | ||
533 | if (!to->valuator) { | |
534 | classes = to->unused_classes; | |
535 | to->valuator = classes->valuator; | |
536 | if (to->valuator) | |
537 | classes->valuator = NULL; | |
538 | } | |
539 | ||
540 | v = AllocValuatorClass(to->valuator, from->valuator->numAxes); | |
541 | ||
542 | if (!v) | |
543 | FatalError("[Xi] no memory for class shift.\n"); | |
544 | ||
545 | to->valuator = v; | |
546 | memcpy(v->axes, from->valuator->axes, v->numAxes * sizeof(AxisInfo)); | |
547 | ||
548 | v->sourceid = from->id; | |
549 | } | |
550 | else if (to->valuator && !from->valuator) { | |
551 | classes = to->unused_classes; | |
552 | classes->valuator = to->valuator; | |
553 | to->valuator = NULL; | |
554 | } | |
555 | ||
556 | if (from->button) { | |
557 | if (!to->button) { | |
558 | classes = to->unused_classes; | |
559 | to->button = classes->button; | |
560 | if (!to->button) { | |
561 | to->button = calloc(1, sizeof(ButtonClassRec)); | |
562 | if (!to->button) | |
563 | FatalError("[Xi] no memory for class shift.\n"); | |
564 | } | |
565 | else | |
566 | classes->button = NULL; | |
567 | } | |
568 | ||
569 | if (from->button->xkb_acts) { | |
570 | if (!to->button->xkb_acts) { | |
571 | to->button->xkb_acts = calloc(1, sizeof(XkbAction)); | |
572 | if (!to->button->xkb_acts) | |
573 | FatalError("[Xi] not enough memory for xkb_acts.\n"); | |
574 | } | |
575 | memcpy(to->button->xkb_acts, from->button->xkb_acts, | |
576 | sizeof(XkbAction)); | |
577 | } | |
578 | else | |
579 | free(to->button->xkb_acts); | |
580 | ||
581 | memcpy(to->button->labels, from->button->labels, | |
582 | from->button->numButtons * sizeof(Atom)); | |
583 | to->button->sourceid = from->id; | |
584 | } | |
585 | else if (to->button && !from->button) { | |
586 | classes = to->unused_classes; | |
587 | classes->button = to->button; | |
588 | to->button = NULL; | |
589 | } | |
590 | ||
591 | if (from->proximity) { | |
592 | if (!to->proximity) { | |
593 | classes = to->unused_classes; | |
594 | to->proximity = classes->proximity; | |
595 | if (!to->proximity) { | |
596 | to->proximity = calloc(1, sizeof(ProximityClassRec)); | |
597 | if (!to->proximity) | |
598 | FatalError("[Xi] no memory for class shift.\n"); | |
599 | } | |
600 | else | |
601 | classes->proximity = NULL; | |
602 | } | |
603 | memcpy(to->proximity, from->proximity, sizeof(ProximityClassRec)); | |
604 | to->proximity->sourceid = from->id; | |
605 | } | |
606 | else if (to->proximity) { | |
607 | classes = to->unused_classes; | |
608 | classes->proximity = to->proximity; | |
609 | to->proximity = NULL; | |
610 | } | |
611 | ||
612 | if (from->touch) { | |
613 | TouchClassPtr t, f; | |
614 | ||
615 | if (!to->touch) { | |
616 | classes = to->unused_classes; | |
617 | to->touch = classes->touch; | |
618 | if (!to->touch) { | |
619 | int i; | |
620 | ||
621 | to->touch = calloc(1, sizeof(TouchClassRec)); | |
622 | if (!to->touch) | |
623 | FatalError("[Xi] no memory for class shift.\n"); | |
624 | to->touch->num_touches = from->touch->num_touches; | |
625 | to->touch->touches = calloc(to->touch->num_touches, | |
626 | sizeof(TouchPointInfoRec)); | |
627 | for (i = 0; i < to->touch->num_touches; i++) | |
628 | TouchInitTouchPoint(to->touch, to->valuator, i); | |
629 | if (!to->touch) | |
630 | FatalError("[Xi] no memory for class shift.\n"); | |
631 | } | |
632 | else | |
633 | classes->touch = NULL; | |
634 | } | |
635 | ||
636 | t = to->touch; | |
637 | f = from->touch; | |
638 | t->sourceid = f->sourceid; | |
639 | t->max_touches = f->max_touches; | |
640 | t->mode = f->mode; | |
641 | t->buttonsDown = f->buttonsDown; | |
642 | t->state = f->state; | |
643 | t->motionMask = f->motionMask; | |
644 | /* to->touches and to->num_touches are separate on the master, | |
645 | * don't copy */ | |
646 | } | |
647 | /* Don't remove touch class if from->touch is non-existent. The to device | |
648 | * may have an active touch grab, so we need to keep the touch class record | |
649 | * around. */ | |
650 | } | |
651 | ||
652 | /** | |
653 | * Copies the CONTENT of the classes of device from into the classes in device | |
654 | * to. From and to are identical after finishing. | |
655 | * | |
656 | * If to does not have classes from currenly has, the classes are stored in | |
657 | * to's devPrivates system. Later, we recover it again from there if needed. | |
658 | * Saves a few memory allocations. | |
659 | */ | |
660 | void | |
661 | DeepCopyDeviceClasses(DeviceIntPtr from, DeviceIntPtr to, | |
662 | DeviceChangedEvent *dce) | |
663 | { | |
664 | /* generic feedback classes, not tied to pointer and/or keyboard */ | |
665 | DeepCopyFeedbackClasses(from, to); | |
666 | ||
667 | if ((dce->flags & DEVCHANGE_KEYBOARD_EVENT)) | |
668 | DeepCopyKeyboardClasses(from, to); | |
669 | if ((dce->flags & DEVCHANGE_POINTER_EVENT)) | |
670 | DeepCopyPointerClasses(from, to); | |
671 | } | |
672 | ||
673 | /** | |
674 | * Send an XI2 DeviceChangedEvent to all interested clients. | |
675 | */ | |
676 | void | |
677 | XISendDeviceChangedEvent(DeviceIntPtr device, DeviceChangedEvent *dce) | |
678 | { | |
679 | xXIDeviceChangedEvent *dcce; | |
680 | int rc; | |
681 | ||
682 | rc = EventToXI2((InternalEvent *) dce, (xEvent **) &dcce); | |
683 | if (rc != Success) { | |
684 | ErrorF("[Xi] event conversion from DCE failed with code %d\n", rc); | |
685 | return; | |
686 | } | |
687 | ||
688 | /* we don't actually swap if there's a NullClient, swapping is done | |
689 | * later when event is delivered. */ | |
690 | SendEventToAllWindows(device, XI_DeviceChangedMask, (xEvent *) dcce, 1); | |
691 | free(dcce); | |
692 | } | |
693 | ||
694 | static void | |
695 | ChangeMasterDeviceClasses(DeviceIntPtr device, DeviceChangedEvent *dce) | |
696 | { | |
697 | DeviceIntPtr slave; | |
698 | int rc; | |
699 | ||
700 | /* For now, we don't have devices that change physically. */ | |
701 | if (!IsMaster(device)) | |
702 | return; | |
703 | ||
704 | rc = dixLookupDevice(&slave, dce->sourceid, serverClient, DixReadAccess); | |
705 | ||
706 | if (rc != Success) | |
707 | return; /* Device has disappeared */ | |
708 | ||
709 | if (IsMaster(slave)) | |
710 | return; | |
711 | ||
712 | if (IsFloating(slave)) | |
713 | return; /* set floating since the event */ | |
714 | ||
715 | if (GetMaster(slave, MASTER_ATTACHED)->id != dce->masterid) | |
716 | return; /* not our slave anymore, don't care */ | |
717 | ||
718 | /* FIXME: we probably need to send a DCE for the new slave now */ | |
719 | ||
720 | device->public.devicePrivate = slave->public.devicePrivate; | |
721 | ||
722 | /* FIXME: the classes may have changed since we generated the event. */ | |
723 | DeepCopyDeviceClasses(slave, device, dce); | |
724 | dce->deviceid = device->id; | |
725 | XISendDeviceChangedEvent(device, dce); | |
726 | } | |
727 | ||
728 | /** | |
729 | * Add state and motionMask to the filter for this event. The protocol | |
730 | * supports some extra masks for motion when a button is down: | |
731 | * ButtonXMotionMask and the DeviceButtonMotionMask to trigger only when at | |
732 | * least one button (or that specific button is down). These masks need to | |
733 | * be added to the filters for core/XI motion events. | |
734 | * | |
735 | * @param device The device to update the mask for | |
736 | * @param state The current button state mask | |
737 | * @param motion_mask The motion mask (DeviceButtonMotionMask or 0) | |
738 | */ | |
739 | static void | |
740 | UpdateDeviceMotionMask(DeviceIntPtr device, unsigned short state, | |
741 | Mask motion_mask) | |
742 | { | |
743 | Mask mask; | |
744 | ||
745 | mask = DevicePointerMotionMask | state | motion_mask; | |
746 | SetMaskForEvent(device->id, mask, DeviceMotionNotify); | |
747 | mask = PointerMotionMask | state | motion_mask; | |
748 | SetMaskForEvent(device->id, mask, MotionNotify); | |
749 | } | |
750 | ||
751 | static void | |
752 | IncreaseButtonCount(DeviceIntPtr dev, int key, CARD8 *buttons_down, | |
753 | Mask *motion_mask, unsigned short *state) | |
754 | { | |
755 | if (dev->valuator) | |
756 | dev->valuator->motionHintWindow = NullWindow; | |
757 | ||
758 | (*buttons_down)++; | |
759 | *motion_mask = DeviceButtonMotionMask; | |
760 | if (dev->button->map[key] <= 5) | |
761 | *state |= (Button1Mask >> 1) << dev->button->map[key]; | |
762 | } | |
763 | ||
764 | static void | |
765 | DecreaseButtonCount(DeviceIntPtr dev, int key, CARD8 *buttons_down, | |
766 | Mask *motion_mask, unsigned short *state) | |
767 | { | |
768 | if (dev->valuator) | |
769 | dev->valuator->motionHintWindow = NullWindow; | |
770 | ||
771 | if (*buttons_down >= 1 && !--(*buttons_down)) | |
772 | *motion_mask = 0; | |
773 | if (dev->button->map[key] <= 5) | |
774 | *state &= ~((Button1Mask >> 1) << dev->button->map[key]); | |
775 | } | |
776 | ||
777 | /** | |
778 | * Update the device state according to the data in the event. | |
779 | * | |
780 | * return values are | |
781 | * DEFAULT ... process as normal | |
782 | * DONT_PROCESS ... return immediately from caller | |
783 | */ | |
784 | #define DEFAULT 0 | |
785 | #define DONT_PROCESS 1 | |
786 | int | |
787 | UpdateDeviceState(DeviceIntPtr device, DeviceEvent *event) | |
788 | { | |
789 | int i; | |
790 | int key = 0, last_valuator; | |
791 | ||
792 | KeyClassPtr k = NULL; | |
793 | ButtonClassPtr b = NULL; | |
794 | ValuatorClassPtr v = NULL; | |
795 | TouchClassPtr t = NULL; | |
796 | ||
797 | /* This event is always the first we get, before the actual events with | |
798 | * the data. However, the way how the DDX is set up, "device" will | |
799 | * actually be the slave device that caused the event. | |
800 | */ | |
801 | switch (event->type) { | |
802 | case ET_DeviceChanged: | |
803 | ChangeMasterDeviceClasses(device, (DeviceChangedEvent *) event); | |
804 | return DONT_PROCESS; /* event has been sent already */ | |
805 | case ET_Motion: | |
806 | case ET_ButtonPress: | |
807 | case ET_ButtonRelease: | |
808 | case ET_KeyPress: | |
809 | case ET_KeyRelease: | |
810 | case ET_ProximityIn: | |
811 | case ET_ProximityOut: | |
812 | case ET_TouchBegin: | |
813 | case ET_TouchUpdate: | |
814 | case ET_TouchEnd: | |
815 | break; | |
816 | default: | |
817 | /* other events don't update the device */ | |
818 | return DEFAULT; | |
819 | } | |
820 | ||
821 | k = device->key; | |
822 | v = device->valuator; | |
823 | b = device->button; | |
824 | t = device->touch; | |
825 | ||
826 | key = event->detail.key; | |
827 | ||
828 | /* Update device axis */ | |
829 | /* Check valuators first */ | |
830 | last_valuator = -1; | |
831 | for (i = 0; i < MAX_VALUATORS; i++) { | |
832 | if (BitIsOn(&event->valuators.mask, i)) { | |
833 | if (!v) { | |
834 | ErrorF("[Xi] Valuators reported for non-valuator device '%s'. " | |
835 | "Ignoring event.\n", device->name); | |
836 | return DONT_PROCESS; | |
837 | } | |
838 | else if (v->numAxes < i) { | |
839 | ErrorF("[Xi] Too many valuators reported for device '%s'. " | |
840 | "Ignoring event.\n", device->name); | |
841 | return DONT_PROCESS; | |
842 | } | |
843 | last_valuator = i; | |
844 | } | |
845 | } | |
846 | ||
847 | for (i = 0; i <= last_valuator && i < v->numAxes; i++) { | |
848 | /* XXX: Relative/Absolute mode */ | |
849 | if (BitIsOn(&event->valuators.mask, i)) | |
850 | v->axisVal[i] = event->valuators.data[i]; | |
851 | } | |
852 | ||
853 | if (event->type == ET_KeyPress) { | |
854 | if (!k) | |
855 | return DONT_PROCESS; | |
856 | ||
857 | /* don't allow ddx to generate multiple downs, but repeats are okay */ | |
858 | if (key_is_down(device, key, KEY_PROCESSED) && !event->key_repeat) | |
859 | return DONT_PROCESS; | |
860 | ||
861 | if (device->valuator) | |
862 | device->valuator->motionHintWindow = NullWindow; | |
863 | set_key_down(device, key, KEY_PROCESSED); | |
864 | } | |
865 | else if (event->type == ET_KeyRelease) { | |
866 | if (!k) | |
867 | return DONT_PROCESS; | |
868 | ||
869 | if (!key_is_down(device, key, KEY_PROCESSED)) /* guard against duplicates */ | |
870 | return DONT_PROCESS; | |
871 | if (device->valuator) | |
872 | device->valuator->motionHintWindow = NullWindow; | |
873 | set_key_up(device, key, KEY_PROCESSED); | |
874 | } | |
875 | else if (event->type == ET_ButtonPress) { | |
876 | if (!b) | |
877 | return DONT_PROCESS; | |
878 | ||
879 | if (button_is_down(device, key, BUTTON_PROCESSED)) | |
880 | return DONT_PROCESS; | |
881 | ||
882 | set_button_down(device, key, BUTTON_PROCESSED); | |
883 | ||
884 | if (!b->map[key]) | |
885 | return DONT_PROCESS; | |
886 | ||
887 | IncreaseButtonCount(device, key, &b->buttonsDown, &b->motionMask, | |
888 | &b->state); | |
889 | UpdateDeviceMotionMask(device, b->state, b->motionMask); | |
890 | } | |
891 | else if (event->type == ET_ButtonRelease) { | |
892 | if (!b) | |
893 | return DONT_PROCESS; | |
894 | ||
895 | if (!button_is_down(device, key, BUTTON_PROCESSED)) | |
896 | return DONT_PROCESS; | |
897 | if (IsMaster(device)) { | |
898 | DeviceIntPtr sd; | |
899 | ||
900 | /* | |
901 | * Leave the button down if any slave has the | |
902 | * button still down. Note that this depends on the | |
903 | * event being delivered through the slave first | |
904 | */ | |
905 | for (sd = inputInfo.devices; sd; sd = sd->next) { | |
906 | if (IsMaster(sd) || GetMaster(sd, MASTER_POINTER) != device) | |
907 | continue; | |
908 | if (!sd->button) | |
909 | continue; | |
910 | for (i = 1; i <= sd->button->numButtons; i++) | |
911 | if (sd->button->map[i] == key && | |
912 | button_is_down(sd, i, BUTTON_PROCESSED)) | |
913 | return DONT_PROCESS; | |
914 | } | |
915 | } | |
916 | set_button_up(device, key, BUTTON_PROCESSED); | |
917 | if (!b->map[key]) | |
918 | return DONT_PROCESS; | |
919 | ||
920 | DecreaseButtonCount(device, key, &b->buttonsDown, &b->motionMask, | |
921 | &b->state); | |
922 | UpdateDeviceMotionMask(device, b->state, b->motionMask); | |
923 | } | |
924 | else if (event->type == ET_ProximityIn) | |
925 | device->proximity->in_proximity = TRUE; | |
926 | else if (event->type == ET_ProximityOut) | |
927 | device->proximity->in_proximity = FALSE; | |
928 | else if (event->type == ET_TouchBegin) { | |
929 | BUG_RETURN_VAL(!b || !v, DONT_PROCESS); | |
930 | BUG_RETURN_VAL(!t, DONT_PROCESS); | |
931 | ||
932 | if (!b->map[key]) | |
933 | return DONT_PROCESS; | |
934 | ||
935 | if (!(event->flags & TOUCH_POINTER_EMULATED) || | |
936 | (event->flags & TOUCH_REPLAYING)) | |
937 | return DONT_PROCESS; | |
938 | ||
939 | IncreaseButtonCount(device, key, &t->buttonsDown, &t->motionMask, | |
940 | &t->state); | |
941 | UpdateDeviceMotionMask(device, t->state, DeviceButtonMotionMask); | |
942 | } | |
943 | else if (event->type == ET_TouchEnd) { | |
944 | BUG_RETURN_VAL(!b || !v, DONT_PROCESS); | |
945 | BUG_RETURN_VAL(!t, DONT_PROCESS); | |
946 | ||
947 | if (t->buttonsDown <= 0 || !b->map[key]) | |
948 | return DONT_PROCESS; | |
949 | ||
950 | if (!(event->flags & TOUCH_POINTER_EMULATED)) | |
951 | return DONT_PROCESS; | |
952 | ||
953 | DecreaseButtonCount(device, key, &t->buttonsDown, &t->motionMask, | |
954 | &t->state); | |
955 | UpdateDeviceMotionMask(device, t->state, DeviceButtonMotionMask); | |
956 | } | |
957 | ||
958 | return DEFAULT; | |
959 | } | |
960 | ||
961 | /** | |
962 | * A client that does not have the TouchOwnership mask set may not receive a | |
963 | * TouchBegin event if there is at least one grab active. | |
964 | * | |
965 | * @return TRUE if the client selected for ownership events on the given | |
966 | * window for this device, FALSE otherwise | |
967 | */ | |
968 | static inline Bool | |
969 | TouchClientWantsOwnershipEvents(ClientPtr client, DeviceIntPtr dev, | |
970 | WindowPtr win) | |
971 | { | |
972 | InputClients *iclient; | |
973 | ||
974 | nt_list_for_each_entry(iclient, wOtherInputMasks(win)->inputClients, next) { | |
975 | if (rClient(iclient) != client) | |
976 | continue; | |
977 | ||
978 | return xi2mask_isset(iclient->xi2mask, dev, XI_TouchOwnership); | |
979 | } | |
980 | ||
981 | return FALSE; | |
982 | } | |
983 | ||
984 | static void | |
985 | TouchSendOwnershipEvent(DeviceIntPtr dev, TouchPointInfoPtr ti, int reason, | |
986 | XID resource) | |
987 | { | |
988 | int nev, i; | |
989 | InternalEvent *tel = InitEventList(GetMaximumEventsNum()); | |
990 | ||
991 | nev = GetTouchOwnershipEvents(tel, dev, ti, reason, resource, 0); | |
992 | for (i = 0; i < nev; i++) | |
993 | mieqProcessDeviceEvent(dev, tel + i, NULL); | |
994 | ||
995 | FreeEventList(tel, GetMaximumEventsNum()); | |
996 | } | |
997 | ||
998 | /** | |
999 | * Attempts to deliver a touch event to the given client. | |
1000 | */ | |
1001 | static Bool | |
1002 | DeliverOneTouchEvent(ClientPtr client, DeviceIntPtr dev, TouchPointInfoPtr ti, | |
1003 | GrabPtr grab, WindowPtr win, InternalEvent *ev) | |
1004 | { | |
1005 | int err; | |
1006 | xEvent *xi2; | |
1007 | Mask filter; | |
1008 | Window child = DeepestSpriteWin(&ti->sprite)->drawable.id; | |
1009 | ||
1010 | /* FIXME: owner event handling */ | |
1011 | ||
1012 | /* If the client does not have the ownership mask set and is not | |
1013 | * the current owner of the touch, only pretend we delivered */ | |
1014 | if (!grab && ti->num_grabs != 0 && | |
1015 | !TouchClientWantsOwnershipEvents(client, dev, win)) | |
1016 | return TRUE; | |
1017 | ||
1018 | /* If we fail here, we're going to leave a client hanging. */ | |
1019 | err = EventToXI2(ev, &xi2); | |
1020 | if (err != Success) | |
1021 | FatalError("[Xi] %s: XI2 conversion failed in %s" | |
1022 | " (%d)\n", dev->name, __func__, err); | |
1023 | ||
1024 | FixUpEventFromWindow(&ti->sprite, xi2, win, child, FALSE); | |
1025 | filter = GetEventFilter(dev, xi2); | |
1026 | if (XaceHook(XACE_RECEIVE_ACCESS, client, win, xi2, 1) != Success) | |
1027 | return FALSE; | |
1028 | err = TryClientEvents(client, dev, xi2, 1, filter, filter, NullGrab); | |
1029 | free(xi2); | |
1030 | ||
1031 | /* Returning the value from TryClientEvents isn't useful, since all our | |
1032 | * resource-gone cleanups will update the delivery list anyway. */ | |
1033 | return TRUE; | |
1034 | } | |
1035 | ||
1036 | static void | |
1037 | ActivateEarlyAccept(DeviceIntPtr dev, TouchPointInfoPtr ti) | |
1038 | { | |
1039 | ClientPtr client; | |
1040 | XID error; | |
1041 | GrabPtr grab = ti->listeners[0].grab; | |
1042 | ||
1043 | BUG_RETURN(ti->listeners[0].type != LISTENER_GRAB && | |
1044 | ti->listeners[0].type != LISTENER_POINTER_GRAB); | |
1045 | BUG_RETURN(!grab); | |
1046 | ||
1047 | client = rClient(grab); | |
1048 | ||
1049 | if (TouchAcceptReject(client, dev, XIAcceptTouch, ti->client_id, | |
1050 | ti->listeners[0].window->drawable.id, &error) != Success) | |
1051 | ErrorF("[Xi] Failed to accept touch grab after early acceptance.\n"); | |
1052 | } | |
1053 | ||
1054 | /** | |
1055 | * Find the oldest touch that still has a pointer emulation client. | |
1056 | * | |
1057 | * Pointer emulation can only be performed for the oldest touch. Otherwise, the | |
1058 | * order of events seen by the client will be wrong. This function helps us find | |
1059 | * the next touch to be emulated. | |
1060 | * | |
1061 | * @param dev The device to find touches for. | |
1062 | */ | |
1063 | static TouchPointInfoPtr | |
1064 | FindOldestPointerEmulatedTouch(DeviceIntPtr dev) | |
1065 | { | |
1066 | TouchPointInfoPtr oldest = NULL; | |
1067 | int i; | |
1068 | ||
1069 | for (i = 0; i < dev->touch->num_touches; i++) { | |
1070 | TouchPointInfoPtr ti = dev->touch->touches + i; | |
1071 | int j; | |
1072 | ||
1073 | if (!ti->active || !ti->emulate_pointer) | |
1074 | continue; | |
1075 | ||
1076 | for (j = 0; j < ti->num_listeners; j++) { | |
1077 | if (ti->listeners[j].type == LISTENER_POINTER_GRAB || | |
1078 | ti->listeners[j].type == LISTENER_POINTER_REGULAR) | |
1079 | break; | |
1080 | } | |
1081 | if (j == ti->num_listeners) | |
1082 | continue; | |
1083 | ||
1084 | if (!oldest) { | |
1085 | oldest = ti; | |
1086 | continue; | |
1087 | } | |
1088 | ||
1089 | if (oldest->client_id - ti->client_id < UINT_MAX / 2) | |
1090 | oldest = ti; | |
1091 | } | |
1092 | ||
1093 | return oldest; | |
1094 | } | |
1095 | ||
1096 | /** | |
1097 | * If the current owner has rejected the event, deliver the | |
1098 | * TouchOwnership/TouchBegin to the next item in the sprite stack. | |
1099 | */ | |
1100 | static void | |
1101 | TouchPuntToNextOwner(DeviceIntPtr dev, TouchPointInfoPtr ti, | |
1102 | TouchOwnershipEvent *ev) | |
1103 | { | |
1104 | TouchListener *listener = &ti->listeners[0]; /* new owner */ | |
1105 | int accepted_early = listener->state == LISTENER_EARLY_ACCEPT; | |
1106 | ||
1107 | /* Deliver the ownership */ | |
1108 | if (listener->state == LISTENER_AWAITING_OWNER || accepted_early) | |
1109 | DeliverTouchEvents(dev, ti, (InternalEvent *) ev, | |
1110 | listener->listener); | |
1111 | else if (listener->state == LISTENER_AWAITING_BEGIN) { | |
1112 | /* We can't punt to a pointer listener unless all older pointer | |
1113 | * emulated touches have been seen already. */ | |
1114 | if ((listener->type == LISTENER_POINTER_GRAB || | |
1115 | listener->type == LISTENER_POINTER_REGULAR) && | |
1116 | ti != FindOldestPointerEmulatedTouch(dev)) | |
1117 | return; | |
1118 | ||
1119 | TouchEventHistoryReplay(ti, dev, listener->listener); | |
1120 | } | |
1121 | ||
1122 | /* New owner has Begin/Update but not end. If touch is pending_finish, | |
1123 | * emulate the TouchEnd now */ | |
1124 | if (ti->pending_finish) { | |
1125 | TouchEmitTouchEnd(dev, ti, 0, 0); | |
1126 | ||
1127 | /* If the last owner is not a touch grab, finalise the touch, we | |
1128 | won't get more correspondence on this. | |
1129 | */ | |
1130 | if (ti->num_listeners == 1 && | |
1131 | (ti->num_grabs == 0 || | |
1132 | listener->grab->grabtype != XI2 || | |
1133 | !xi2mask_isset(listener->grab->xi2mask, dev, XI_TouchBegin))) { | |
1134 | TouchEndTouch(dev, ti); | |
1135 | return; | |
1136 | } | |
1137 | } | |
1138 | ||
1139 | if (accepted_early) | |
1140 | ActivateEarlyAccept(dev, ti); | |
1141 | } | |
1142 | ||
1143 | /** | |
1144 | * Check the oldest touch to see if it needs to be replayed to its pointer | |
1145 | * owner. | |
1146 | * | |
1147 | * Touch event propagation is paused if it hits a pointer listener while an | |
1148 | * older touch with a pointer listener is waiting on accept or reject. This | |
1149 | * function will restart propagation of a paused touch if needed. | |
1150 | * | |
1151 | * @param dev The device to check touches for. | |
1152 | */ | |
1153 | static void | |
1154 | CheckOldestTouch(DeviceIntPtr dev) | |
1155 | { | |
1156 | TouchPointInfoPtr oldest = FindOldestPointerEmulatedTouch(dev); | |
1157 | ||
1158 | if (oldest && oldest->listeners[0].state == LISTENER_AWAITING_BEGIN) | |
1159 | TouchPuntToNextOwner(dev, oldest, NULL); | |
1160 | } | |
1161 | ||
1162 | /** | |
1163 | * Process a touch rejection. | |
1164 | * | |
1165 | * @param sourcedev The source device of the touch sequence. | |
1166 | * @param ti The touchpoint info record. | |
1167 | * @param resource The resource of the client rejecting the touch. | |
1168 | * @param ev TouchOwnership event to send. Set to NULL if no event should be | |
1169 | * sent. | |
1170 | */ | |
1171 | void | |
1172 | TouchRejected(DeviceIntPtr sourcedev, TouchPointInfoPtr ti, XID resource, | |
1173 | TouchOwnershipEvent *ev) | |
1174 | { | |
1175 | Bool was_owner = (resource == ti->listeners[0].listener); | |
1176 | int i; | |
1177 | ||
1178 | /* Send a TouchEnd event to the resource being removed, but only if they | |
1179 | * haven't received one yet already */ | |
1180 | for (i = 0; i < ti->num_listeners; i++) { | |
1181 | if (ti->listeners[i].listener == resource) { | |
1182 | if (ti->listeners[i].state != LISTENER_HAS_END) | |
1183 | TouchEmitTouchEnd(sourcedev, ti, TOUCH_REJECT, resource); | |
1184 | break; | |
1185 | } | |
1186 | } | |
1187 | ||
1188 | /* Remove the resource from the listener list, updating | |
1189 | * ti->num_listeners, as well as ti->num_grabs if it was a grab. */ | |
1190 | TouchRemoveListener(ti, resource); | |
1191 | ||
1192 | /* If the current owner was removed and there are further listeners, deliver | |
1193 | * the TouchOwnership or TouchBegin event to the new owner. */ | |
1194 | if (ev && ti->num_listeners > 0 && was_owner) | |
1195 | TouchPuntToNextOwner(sourcedev, ti, ev); | |
1196 | else if (ti->num_listeners == 0) | |
1197 | TouchEndTouch(sourcedev, ti); | |
1198 | ||
1199 | CheckOldestTouch(sourcedev); | |
1200 | } | |
1201 | ||
1202 | /** | |
1203 | * Processes a TouchOwnership event, indicating a grab has accepted the touch | |
1204 | * it currently owns, or a grab or selection has been removed. Will generate | |
1205 | * and send TouchEnd events to all clients removed from the delivery list, as | |
1206 | * well as possibly sending the new TouchOwnership event. May end the | |
1207 | * touchpoint if it is pending finish. | |
1208 | */ | |
1209 | static void | |
1210 | ProcessTouchOwnershipEvent(TouchOwnershipEvent *ev, | |
1211 | DeviceIntPtr dev) | |
1212 | { | |
1213 | TouchPointInfoPtr ti = TouchFindByClientID(dev, ev->touchid); | |
1214 | ||
1215 | if (!ti) { | |
1216 | DebugF("[Xi] %s: Failed to get event %d for touchpoint %d\n", | |
1217 | dev->name, ev->type, ev->touchid); | |
1218 | return; | |
1219 | } | |
1220 | ||
1221 | if (ev->reason == XIRejectTouch) | |
1222 | TouchRejected(dev, ti, ev->resource, ev); | |
1223 | else if (ev->reason == XIAcceptTouch) { | |
1224 | int i; | |
1225 | ||
1226 | ||
1227 | /* For pointer-emulated listeners that ungrabbed the active grab, | |
1228 | * the state was forced to LISTENER_HAS_END. Still go | |
1229 | * through the motions of ending the touch if the listener has | |
1230 | * already seen the end. This ensures that the touch record is ended in | |
1231 | * the server. | |
1232 | */ | |
1233 | if (ti->listeners[0].state == LISTENER_HAS_END) | |
1234 | TouchEmitTouchEnd(dev, ti, TOUCH_ACCEPT, ti->listeners[0].listener); | |
1235 | ||
1236 | /* The touch owner has accepted the touch. Send TouchEnd events to | |
1237 | * everyone else, and truncate the list of listeners. */ | |
1238 | for (i = 1; i < ti->num_listeners; i++) | |
1239 | TouchEmitTouchEnd(dev, ti, TOUCH_ACCEPT, ti->listeners[i].listener); | |
1240 | ||
1241 | while (ti->num_listeners > 1) | |
1242 | TouchRemoveListener(ti, ti->listeners[1].listener); | |
1243 | /* Owner accepted after receiving end */ | |
1244 | if (ti->listeners[0].state == LISTENER_HAS_END) | |
1245 | TouchEndTouch(dev, ti); | |
1246 | else | |
1247 | ti->listeners[0].state = LISTENER_HAS_ACCEPTED; | |
1248 | } | |
1249 | else { /* this is the very first ownership event for a grab */ | |
1250 | DeliverTouchEvents(dev, ti, (InternalEvent *) ev, ev->resource); | |
1251 | } | |
1252 | } | |
1253 | ||
1254 | /** | |
1255 | * Copy the event's valuator information into the touchpoint, we may need | |
1256 | * this for emulated TouchEnd events. | |
1257 | */ | |
1258 | static void | |
1259 | TouchCopyValuatorData(DeviceEvent *ev, TouchPointInfoPtr ti) | |
1260 | { | |
1261 | int i; | |
1262 | ||
1263 | for (i = 0; i < ARRAY_SIZE(ev->valuators.data); i++) | |
1264 | if (BitIsOn(ev->valuators.mask, i)) | |
1265 | valuator_mask_set_double(ti->valuators, i, ev->valuators.data[i]); | |
1266 | } | |
1267 | ||
1268 | /** | |
1269 | * Given a touch event and a potential listener, retrieve info needed for | |
1270 | * processing the event. | |
1271 | * | |
1272 | * @param dev The device generating the touch event. | |
1273 | * @param ti The touch point info record for the touch event. | |
1274 | * @param ev The touch event to process. | |
1275 | * @param listener The touch event listener that may receive the touch event. | |
1276 | * @param[out] client The client that should receive the touch event. | |
1277 | * @param[out] win The window to deliver the event on. | |
1278 | * @param[out] grab The grab to deliver the event through, if any. | |
1279 | * @param[out] mask The XI 2.x event mask of the grab or selection, if any. | |
1280 | * @return TRUE if an event should be delivered to the listener, FALSE | |
1281 | * otherwise. | |
1282 | */ | |
1283 | static Bool | |
1284 | RetrieveTouchDeliveryData(DeviceIntPtr dev, TouchPointInfoPtr ti, | |
1285 | InternalEvent *ev, TouchListener * listener, | |
1286 | ClientPtr *client, WindowPtr *win, GrabPtr *grab, | |
1287 | XI2Mask **mask) | |
1288 | { | |
1289 | int rc; | |
1290 | InputClients *iclients = NULL; | |
1291 | *mask = NULL; | |
1292 | ||
1293 | if (listener->type == LISTENER_GRAB || | |
1294 | listener->type == LISTENER_POINTER_GRAB) { | |
1295 | ||
1296 | *grab = listener->grab; | |
1297 | ||
1298 | BUG_RETURN_VAL(!*grab, FALSE); | |
1299 | ||
1300 | *client = rClient(*grab); | |
1301 | *win = (*grab)->window; | |
1302 | *mask = (*grab)->xi2mask; | |
1303 | } | |
1304 | else { | |
1305 | rc = dixLookupResourceByType((pointer *) win, listener->listener, | |
1306 | listener->resource_type, | |
1307 | serverClient, DixSendAccess); | |
1308 | if (rc != Success) | |
1309 | return FALSE; | |
1310 | ||
1311 | if (listener->level == XI2) { | |
1312 | int evtype; | |
1313 | ||
1314 | if (ti->emulate_pointer && | |
1315 | listener->type == LISTENER_POINTER_REGULAR) | |
1316 | evtype = GetXI2Type(TouchGetPointerEventType(ev)); | |
1317 | else | |
1318 | evtype = GetXI2Type(ev->any.type); | |
1319 | ||
1320 | nt_list_for_each_entry(iclients, | |
1321 | wOtherInputMasks(*win)->inputClients, next) | |
1322 | if (xi2mask_isset(iclients->xi2mask, dev, evtype)) | |
1323 | break; | |
1324 | ||
1325 | BUG_RETURN_VAL(!iclients, FALSE); | |
1326 | ||
1327 | *mask = iclients->xi2mask; | |
1328 | *client = rClient(iclients); | |
1329 | } | |
1330 | else if (listener->level == XI) { | |
1331 | int xi_type = GetXIType(TouchGetPointerEventType(ev)); | |
1332 | Mask xi_filter = event_get_filter_from_type(dev, xi_type); | |
1333 | ||
1334 | nt_list_for_each_entry(iclients, | |
1335 | wOtherInputMasks(*win)->inputClients, next) | |
1336 | if (iclients->mask[dev->id] & xi_filter) | |
1337 | break; | |
1338 | BUG_RETURN_VAL(!iclients, FALSE); | |
1339 | ||
1340 | *client = rClient(iclients); | |
1341 | } | |
1342 | else { | |
1343 | int coretype = GetCoreType(TouchGetPointerEventType(ev)); | |
1344 | Mask core_filter = event_get_filter_from_type(dev, coretype); | |
1345 | OtherClients *oclients; | |
1346 | ||
1347 | /* all others */ | |
1348 | nt_list_for_each_entry(oclients, | |
1349 | (OtherClients *) wOtherClients(*win), next) | |
1350 | if (oclients->mask & core_filter) | |
1351 | break; | |
1352 | ||
1353 | /* if owner selected, oclients is NULL */ | |
1354 | *client = oclients ? rClient(oclients) : wClient(*win); | |
1355 | } | |
1356 | ||
1357 | *grab = NULL; | |
1358 | } | |
1359 | ||
1360 | return TRUE; | |
1361 | } | |
1362 | ||
1363 | static int | |
1364 | DeliverTouchEmulatedEvent(DeviceIntPtr dev, TouchPointInfoPtr ti, | |
1365 | InternalEvent *ev, TouchListener * listener, | |
1366 | ClientPtr client, WindowPtr win, GrabPtr grab, | |
1367 | XI2Mask *xi2mask) | |
1368 | { | |
1369 | InternalEvent motion, button; | |
1370 | InternalEvent *ptrev = &motion; | |
1371 | int nevents; | |
1372 | DeviceIntPtr kbd; | |
1373 | ||
1374 | /* We don't deliver pointer events to non-owners */ | |
1375 | if (!TouchResourceIsOwner(ti, listener->listener)) | |
1376 | return !Success; | |
1377 | ||
1378 | nevents = TouchConvertToPointerEvent(ev, &motion, &button); | |
1379 | BUG_RETURN_VAL(nevents == 0, BadValue); | |
1380 | ||
1381 | if (nevents > 1) | |
1382 | ptrev = &button; | |
1383 | ||
1384 | kbd = GetMaster(dev, KEYBOARD_OR_FLOAT); | |
1385 | event_set_state(dev, kbd, &ptrev->device_event); | |
1386 | ptrev->device_event.corestate = event_get_corestate(dev, kbd); | |
1387 | ||
1388 | if (grab) { | |
1389 | /* this side-steps the usual activation mechanisms, but... */ | |
1390 | if (ev->any.type == ET_TouchBegin && !dev->deviceGrab.grab) | |
1391 | ActivatePassiveGrab(dev, grab, ptrev, ev); /* also delivers the event */ | |
1392 | else { | |
1393 | int deliveries = 0; | |
1394 | ||
1395 | /* 'grab' is the passive grab, but if the grab isn't active, | |
1396 | * don't deliver */ | |
1397 | if (!dev->deviceGrab.grab) | |
1398 | return !Success; | |
1399 | ||
1400 | if (grab->ownerEvents) { | |
1401 | WindowPtr focus = NullWindow; | |
1402 | WindowPtr sprite_win = dev->spriteInfo->sprite->win; | |
1403 | ||
1404 | deliveries = DeliverDeviceEvents(sprite_win, ptrev, grab, focus, dev); | |
1405 | } | |
1406 | ||
1407 | if (!deliveries) | |
1408 | deliveries = DeliverOneGrabbedEvent(ptrev, dev, grab->grabtype); | |
1409 | ||
1410 | /* We must accept the touch sequence once a pointer listener has | |
1411 | * received one event past ButtonPress. */ | |
1412 | if (deliveries && ev->any.type != ET_TouchBegin && | |
1413 | !(ev->device_event.flags & TOUCH_CLIENT_ID)) | |
1414 | TouchListenerAcceptReject(dev, ti, 0, XIAcceptTouch); | |
1415 | ||
1416 | if (ev->any.type == ET_TouchEnd && | |
1417 | ti->num_listeners == 1 && | |
1418 | !dev->button->buttonsDown && | |
1419 | dev->deviceGrab.fromPassiveGrab && GrabIsPointerGrab(grab)) { | |
1420 | (*dev->deviceGrab.DeactivateGrab) (dev); | |
1421 | CheckOldestTouch(dev); | |
1422 | return Success; | |
1423 | } | |
1424 | } | |
1425 | } | |
1426 | else { | |
1427 | GrabPtr devgrab = dev->deviceGrab.grab; | |
1428 | ||
1429 | DeliverDeviceEvents(win, ptrev, grab, win, dev); | |
1430 | /* FIXME: bad hack | |
1431 | * Implicit passive grab activated in response to this event. Store | |
1432 | * the event. | |
1433 | */ | |
1434 | if (!devgrab && dev->deviceGrab.grab && dev->deviceGrab.implicitGrab) { | |
1435 | TouchListener *l; | |
1436 | GrabPtr g; | |
1437 | ||
1438 | devgrab = dev->deviceGrab.grab; | |
1439 | g = AllocGrab(devgrab); | |
1440 | BUG_WARN(!g); | |
1441 | ||
1442 | *dev->deviceGrab.sync.event = ev->device_event; | |
1443 | ||
1444 | /* The listener array has a sequence of grabs and then one event | |
1445 | * selection. Implicit grab activation occurs through delivering an | |
1446 | * event selection. Thus, we update the last listener in the array. | |
1447 | */ | |
1448 | l = &ti->listeners[ti->num_listeners - 1]; | |
1449 | l->listener = g->resource; | |
1450 | l->grab = g; | |
1451 | //l->resource_type = RT_NONE; | |
1452 | ||
1453 | if (devgrab->grabtype != XI2 || devgrab->type != XI_TouchBegin) | |
1454 | l->type = LISTENER_POINTER_GRAB; | |
1455 | else | |
1456 | l->type = LISTENER_GRAB; | |
1457 | } | |
1458 | ||
1459 | } | |
1460 | if (ev->any.type == ET_TouchBegin) | |
1461 | listener->state = LISTENER_IS_OWNER; | |
1462 | else if (ev->any.type == ET_TouchEnd) | |
1463 | listener->state = LISTENER_HAS_END; | |
1464 | ||
1465 | return Success; | |
1466 | } | |
1467 | ||
1468 | static void | |
1469 | DeliverEmulatedMotionEvent(DeviceIntPtr dev, TouchPointInfoPtr ti, | |
1470 | InternalEvent *ev) | |
1471 | { | |
1472 | InternalEvent motion; | |
1473 | ||
1474 | if (ti->num_listeners) { | |
1475 | ClientPtr client; | |
1476 | WindowPtr win; | |
1477 | GrabPtr grab; | |
1478 | XI2Mask *mask; | |
1479 | ||
1480 | if (ti->listeners[0].type != LISTENER_POINTER_REGULAR && | |
1481 | ti->listeners[0].type != LISTENER_POINTER_GRAB) | |
1482 | return; | |
1483 | ||
1484 | motion = *ev; | |
1485 | motion.any.type = ET_TouchUpdate; | |
1486 | motion.device_event.detail.button = 0; | |
1487 | ||
1488 | if (!RetrieveTouchDeliveryData(dev, ti, &motion, | |
1489 | &ti->listeners[0], &client, &win, &grab, | |
1490 | &mask)) | |
1491 | return; | |
1492 | ||
1493 | /* There may be a pointer grab on the device */ | |
1494 | if (!grab) { | |
1495 | grab = dev->deviceGrab.grab; | |
1496 | if (grab) { | |
1497 | win = grab->window; | |
1498 | mask = grab->xi2mask; | |
1499 | client = rClient(grab); | |
1500 | } | |
1501 | } | |
1502 | ||
1503 | DeliverTouchEmulatedEvent(dev, ti, &motion, &ti->listeners[0], client, | |
1504 | win, grab, mask); | |
1505 | } | |
1506 | else { | |
1507 | InternalEvent button; | |
1508 | int converted; | |
1509 | ||
1510 | converted = TouchConvertToPointerEvent(ev, &motion, &button); | |
1511 | ||
1512 | BUG_WARN(converted == 0); | |
1513 | if (converted) | |
1514 | ProcessOtherEvent(&motion, dev); | |
1515 | } | |
1516 | } | |
1517 | ||
1518 | /** | |
1519 | * Processes and delivers a TouchBegin, TouchUpdate, or a | |
1520 | * TouchEnd event. | |
1521 | * | |
1522 | * Due to having rather different delivery semantics (see the Xi 2.2 protocol | |
1523 | * spec for more information), this implements its own grab and event-selection | |
1524 | * delivery logic. | |
1525 | */ | |
1526 | static void | |
1527 | ProcessTouchEvent(InternalEvent *ev, DeviceIntPtr dev) | |
1528 | { | |
1529 | TouchClassPtr t = dev->touch; | |
1530 | TouchPointInfoPtr ti; | |
1531 | uint32_t touchid; | |
1532 | int type = ev->any.type; | |
1533 | int emulate_pointer = ! !(ev->device_event.flags & TOUCH_POINTER_EMULATED); | |
1534 | DeviceIntPtr kbd; | |
1535 | ||
1536 | if (!t) | |
1537 | return; | |
1538 | ||
1539 | touchid = ev->device_event.touchid; | |
1540 | ||
1541 | if (type == ET_TouchBegin && !(ev->device_event.flags & TOUCH_REPLAYING)) { | |
1542 | ti = TouchBeginTouch(dev, ev->device_event.sourceid, touchid, | |
1543 | emulate_pointer); | |
1544 | } | |
1545 | else | |
1546 | ti = TouchFindByClientID(dev, touchid); | |
1547 | ||
1548 | /* Active pointer grab */ | |
1549 | if (emulate_pointer && dev->deviceGrab.grab && !dev->deviceGrab.fromPassiveGrab && | |
1550 | (dev->deviceGrab.grab->grabtype == CORE || | |
1551 | dev->deviceGrab.grab->grabtype == XI || | |
1552 | !xi2mask_isset(dev->deviceGrab.grab->xi2mask, dev, XI_TouchBegin))) | |
1553 | { | |
1554 | /* Active pointer grab on touch point and we get a TouchEnd - claim this | |
1555 | * touchpoint accepted, otherwise clients waiting for ownership will | |
1556 | * wait on this touchpoint until this client ungrabs, or the cows come | |
1557 | * home, whichever is earlier */ | |
1558 | if (ti && type == ET_TouchEnd) | |
1559 | TouchListenerAcceptReject(dev, ti, 0, XIAcceptTouch); | |
1560 | else if (!ti && type != ET_TouchBegin) { | |
1561 | /* Under the following circumstances we create a new touch record for an | |
1562 | * existing touch: | |
1563 | * | |
1564 | * - The touch may be pointer emulated | |
1565 | * - An explicit grab is active on the device | |
1566 | * - The grab is a pointer grab | |
1567 | * | |
1568 | * This allows for an explicit grab to receive pointer events for an already | |
1569 | * active touch. | |
1570 | */ | |
1571 | ti = TouchBeginTouch(dev, ev->device_event.sourceid, touchid, | |
1572 | emulate_pointer); | |
1573 | if (!ti) { | |
1574 | DebugF("[Xi] %s: Failed to create new dix record for explicitly " | |
1575 | "grabbed touchpoint %d\n", | |
1576 | dev->name, touchid); | |
1577 | return; | |
1578 | } | |
1579 | ||
1580 | TouchBuildSprite(dev, ti, ev); | |
1581 | TouchSetupListeners(dev, ti, ev); | |
1582 | } | |
1583 | } | |
1584 | ||
1585 | if (!ti) { | |
1586 | DebugF("[Xi] %s: Failed to get event %d for touchpoint %d\n", | |
1587 | dev->name, type, touchid); | |
1588 | return; | |
1589 | } | |
1590 | ||
1591 | /* if emulate_pointer is set, emulate the motion event right | |
1592 | * here, so we can ignore it for button event emulation. TouchUpdate | |
1593 | * events which _only_ emulate motion just work normally */ | |
1594 | if (emulate_pointer && ev->any.type != ET_TouchUpdate) | |
1595 | DeliverEmulatedMotionEvent(dev, ti, ev); | |
1596 | ||
1597 | if (emulate_pointer && IsMaster(dev)) | |
1598 | CheckMotion(&ev->device_event, dev); | |
1599 | ||
1600 | kbd = GetMaster(dev, KEYBOARD_OR_FLOAT); | |
1601 | event_set_state(NULL, kbd, &ev->device_event); | |
1602 | ev->device_event.corestate = event_get_corestate(NULL, kbd); | |
1603 | ||
1604 | /* Make sure we have a valid window trace for event delivery; must be | |
1605 | * called after event type mutation. Touch end events are always processed | |
1606 | * in order to end touch records. */ | |
1607 | /* FIXME: check this */ | |
1608 | if ((type == ET_TouchBegin && | |
1609 | !(ev->device_event.flags & TOUCH_REPLAYING) && | |
1610 | !TouchBuildSprite(dev, ti, ev)) || | |
1611 | (type != ET_TouchEnd && ti->sprite.spriteTraceGood == 0)) | |
1612 | return; | |
1613 | ||
1614 | TouchCopyValuatorData(&ev->device_event, ti); | |
1615 | /* WARNING: the event type may change to TouchUpdate in | |
1616 | * DeliverTouchEvents if a TouchEnd was delivered to a grabbing | |
1617 | * owner */ | |
1618 | DeliverTouchEvents(dev, ti, ev, ev->device_event.resource); | |
1619 | if (ev->any.type == ET_TouchEnd) | |
1620 | TouchEndTouch(dev, ti); | |
1621 | ||
1622 | if (emulate_pointer) | |
1623 | UpdateDeviceState(dev, &ev->device_event); | |
1624 | } | |
1625 | ||
1626 | static void | |
1627 | ProcessBarrierEvent(InternalEvent *e, DeviceIntPtr dev) | |
1628 | { | |
1629 | Mask filter; | |
1630 | WindowPtr pWin; | |
1631 | BarrierEvent *be = &e->barrier_event; | |
1632 | xEvent *ev; | |
1633 | int rc; | |
1634 | GrabPtr grab = dev->deviceGrab.grab; | |
1635 | ||
1636 | if (!IsMaster(dev)) | |
1637 | return; | |
1638 | ||
1639 | if (dixLookupWindow(&pWin, be->window, serverClient, DixReadAccess) != Success) | |
1640 | return; | |
1641 | ||
1642 | if (grab) | |
1643 | be->flags |= XIBarrierDeviceIsGrabbed; | |
1644 | ||
1645 | rc = EventToXI2(e, &ev); | |
1646 | if (rc != Success) { | |
1647 | ErrorF("[Xi] event conversion from %s failed with code %d\n", __func__, rc); | |
1648 | return; | |
1649 | } | |
1650 | ||
1651 | /* A client has a grab, deliver to this client if the grab_window is the | |
1652 | barrier window. | |
1653 | ||
1654 | Otherwise, deliver normally to the client. | |
1655 | */ | |
1656 | if (grab && | |
1657 | CLIENT_ID(be->barrierid) == CLIENT_ID(grab->resource) && | |
1658 | grab->window->drawable.id == be->window) { | |
1659 | DeliverGrabbedEvent(e, dev, FALSE); | |
1660 | } else { | |
1661 | filter = GetEventFilter(dev, ev); | |
1662 | ||
1663 | DeliverEventsToWindow(dev, pWin, ev, 1, | |
1664 | filter, NullGrab); | |
1665 | } | |
1666 | free(ev); | |
1667 | } | |
1668 | ||
1669 | /** | |
1670 | * Process DeviceEvents and DeviceChangedEvents. | |
1671 | */ | |
1672 | static void | |
1673 | ProcessDeviceEvent(InternalEvent *ev, DeviceIntPtr device) | |
1674 | { | |
1675 | GrabPtr grab; | |
1676 | Bool deactivateDeviceGrab = FALSE; | |
1677 | int key = 0, rootX, rootY; | |
1678 | ButtonClassPtr b; | |
1679 | int ret = 0; | |
1680 | int corestate; | |
1681 | DeviceIntPtr mouse = NULL, kbd = NULL; | |
1682 | DeviceEvent *event = &ev->device_event; | |
1683 | ||
1684 | if (IsPointerDevice(device)) { | |
1685 | kbd = GetMaster(device, KEYBOARD_OR_FLOAT); | |
1686 | mouse = device; | |
1687 | if (!kbd->key) /* can happen with floating SDs */ | |
1688 | kbd = NULL; | |
1689 | } | |
1690 | else { | |
1691 | mouse = GetMaster(device, POINTER_OR_FLOAT); | |
1692 | kbd = device; | |
1693 | if (!mouse->valuator || !mouse->button) /* may be float. SDs */ | |
1694 | mouse = NULL; | |
1695 | } | |
1696 | ||
1697 | corestate = event_get_corestate(mouse, kbd); | |
1698 | event_set_state(mouse, kbd, event); | |
1699 | ||
1700 | ret = UpdateDeviceState(device, event); | |
1701 | if (ret == DONT_PROCESS) | |
1702 | return; | |
1703 | ||
1704 | b = device->button; | |
1705 | ||
1706 | if (IsMaster(device) || IsFloating(device)) | |
1707 | CheckMotion(event, device); | |
1708 | ||
1709 | switch (event->type) { | |
1710 | case ET_Motion: | |
1711 | case ET_ButtonPress: | |
1712 | case ET_ButtonRelease: | |
1713 | case ET_KeyPress: | |
1714 | case ET_KeyRelease: | |
1715 | case ET_ProximityIn: | |
1716 | case ET_ProximityOut: | |
1717 | GetSpritePosition(device, &rootX, &rootY); | |
1718 | event->root_x = rootX; | |
1719 | event->root_y = rootY; | |
1720 | NoticeEventTime((InternalEvent *) event, device); | |
1721 | event->corestate = corestate; | |
1722 | key = event->detail.key; | |
1723 | break; | |
1724 | default: | |
1725 | break; | |
1726 | } | |
1727 | ||
1728 | if (DeviceEventCallback && !syncEvents.playingEvents) { | |
1729 | DeviceEventInfoRec eventinfo; | |
1730 | SpritePtr pSprite = device->spriteInfo->sprite; | |
1731 | ||
1732 | /* see comment in EnqueueEvents regarding the next three lines */ | |
1733 | if (ev->any.type == ET_Motion) | |
1734 | ev->device_event.root = pSprite->hotPhys.pScreen->root->drawable.id; | |
1735 | ||
1736 | eventinfo.device = device; | |
1737 | eventinfo.event = ev; | |
1738 | CallCallbacks(&DeviceEventCallback, (pointer) &eventinfo); | |
1739 | } | |
1740 | ||
1741 | grab = device->deviceGrab.grab; | |
1742 | ||
1743 | switch (event->type) { | |
1744 | case ET_KeyPress: | |
1745 | if (!grab && CheckDeviceGrabs(device, event, 0)) | |
1746 | return; | |
1747 | break; | |
1748 | case ET_KeyRelease: | |
1749 | if (grab && device->deviceGrab.fromPassiveGrab && | |
1750 | (key == device->deviceGrab.activatingKey) && | |
1751 | GrabIsKeyboardGrab(device->deviceGrab.grab)) | |
1752 | deactivateDeviceGrab = TRUE; | |
1753 | break; | |
1754 | case ET_ButtonPress: | |
1755 | if (b->map[key] == 0) /* there's no button 0 */ | |
1756 | return; | |
1757 | event->detail.button = b->map[key]; | |
1758 | if (!grab && CheckDeviceGrabs(device, event, 0)) { | |
1759 | /* if a passive grab was activated, the event has been sent | |
1760 | * already */ | |
1761 | return; | |
1762 | } | |
1763 | break; | |
1764 | case ET_ButtonRelease: | |
1765 | if (b->map[key] == 0) /* there's no button 0 */ | |
1766 | return; | |
1767 | event->detail.button = b->map[key]; | |
1768 | if (grab && !b->buttonsDown && | |
1769 | device->deviceGrab.fromPassiveGrab && | |
1770 | GrabIsPointerGrab(device->deviceGrab.grab)) | |
1771 | deactivateDeviceGrab = TRUE; | |
1772 | default: | |
1773 | break; | |
1774 | } | |
1775 | ||
1776 | if (grab) | |
1777 | DeliverGrabbedEvent((InternalEvent *) event, device, | |
1778 | deactivateDeviceGrab); | |
1779 | else if (device->focus && !IsPointerEvent(ev)) | |
1780 | DeliverFocusedEvent(device, (InternalEvent *) event, | |
1781 | GetSpriteWindow(device)); | |
1782 | else | |
1783 | DeliverDeviceEvents(GetSpriteWindow(device), (InternalEvent *) event, | |
1784 | NullGrab, NullWindow, device); | |
1785 | ||
1786 | if (deactivateDeviceGrab == TRUE) { | |
1787 | (*device->deviceGrab.DeactivateGrab) (device); | |
1788 | ||
1789 | if (!IsMaster (device) && !IsFloating (device)) { | |
1790 | int flags, num_events = 0; | |
1791 | InternalEvent dce; | |
1792 | ||
1793 | flags = (IsPointerDevice (device)) ? | |
1794 | DEVCHANGE_POINTER_EVENT : DEVCHANGE_KEYBOARD_EVENT; | |
1795 | UpdateFromMaster (&dce, device, flags, &num_events); | |
1796 | BUG_WARN(num_events > 1); | |
1797 | ||
1798 | if (num_events == 1) | |
1799 | ChangeMasterDeviceClasses(GetMaster (device, MASTER_ATTACHED), | |
1800 | &dce.changed_event); | |
1801 | } | |
1802 | ||
1803 | } | |
1804 | ||
1805 | event->detail.key = key; | |
1806 | } | |
1807 | ||
1808 | /** | |
1809 | * Main device event processing function. | |
1810 | * Called from when processing the events from the event queue. | |
1811 | * | |
1812 | */ | |
1813 | void | |
1814 | ProcessOtherEvent(InternalEvent *ev, DeviceIntPtr device) | |
1815 | { | |
1816 | verify_internal_event(ev); | |
1817 | ||
1818 | switch (ev->any.type) { | |
1819 | case ET_RawKeyPress: | |
1820 | case ET_RawKeyRelease: | |
1821 | case ET_RawButtonPress: | |
1822 | case ET_RawButtonRelease: | |
1823 | case ET_RawMotion: | |
1824 | case ET_RawTouchBegin: | |
1825 | case ET_RawTouchUpdate: | |
1826 | case ET_RawTouchEnd: | |
1827 | DeliverRawEvent(&ev->raw_event, device); | |
1828 | break; | |
1829 | case ET_TouchBegin: | |
1830 | case ET_TouchUpdate: | |
1831 | case ET_TouchEnd: | |
1832 | ProcessTouchEvent(ev, device); | |
1833 | break; | |
1834 | case ET_TouchOwnership: | |
1835 | /* TouchOwnership events are handled separately from the rest, as they | |
1836 | * have more complex semantics. */ | |
1837 | ProcessTouchOwnershipEvent(&ev->touch_ownership_event, device); | |
1838 | break; | |
1839 | case ET_BarrierHit: | |
1840 | case ET_BarrierLeave: | |
1841 | ProcessBarrierEvent(ev, device); | |
1842 | break; | |
1843 | default: | |
1844 | ProcessDeviceEvent(ev, device); | |
1845 | break; | |
1846 | } | |
1847 | } | |
1848 | ||
1849 | static int | |
1850 | DeliverTouchBeginEvent(DeviceIntPtr dev, TouchPointInfoPtr ti, | |
1851 | InternalEvent *ev, TouchListener * listener, | |
1852 | ClientPtr client, WindowPtr win, GrabPtr grab, | |
1853 | XI2Mask *xi2mask) | |
1854 | { | |
1855 | enum TouchListenerState state; | |
1856 | int rc = Success; | |
1857 | Bool has_ownershipmask; | |
1858 | ||
1859 | if (listener->type == LISTENER_POINTER_REGULAR || | |
1860 | listener->type == LISTENER_POINTER_GRAB) { | |
1861 | rc = DeliverTouchEmulatedEvent(dev, ti, ev, listener, client, win, | |
1862 | grab, xi2mask); | |
1863 | if (rc == Success) { | |
1864 | listener->state = LISTENER_IS_OWNER; | |
1865 | /* async grabs cannot replay, so automatically accept this touch */ | |
1866 | if (listener->type == LISTENER_POINTER_GRAB && | |
1867 | dev->deviceGrab.grab && | |
1868 | dev->deviceGrab.fromPassiveGrab && | |
1869 | dev->deviceGrab.grab->pointerMode == GrabModeAsync) | |
1870 | ActivateEarlyAccept(dev, ti); | |
1871 | } | |
1872 | goto out; | |
1873 | } | |
1874 | ||
1875 | has_ownershipmask = xi2mask_isset(xi2mask, dev, XI_TouchOwnership); | |
1876 | ||
1877 | if (TouchResourceIsOwner(ti, listener->listener) || has_ownershipmask) | |
1878 | rc = DeliverOneTouchEvent(client, dev, ti, grab, win, ev); | |
1879 | if (!TouchResourceIsOwner(ti, listener->listener)) { | |
1880 | if (has_ownershipmask) | |
1881 | state = LISTENER_AWAITING_OWNER; | |
1882 | else | |
1883 | state = LISTENER_AWAITING_BEGIN; | |
1884 | } | |
1885 | else { | |
1886 | if (has_ownershipmask) | |
1887 | TouchSendOwnershipEvent(dev, ti, 0, listener->listener); | |
1888 | ||
1889 | if (listener->type == LISTENER_REGULAR) | |
1890 | state = LISTENER_HAS_ACCEPTED; | |
1891 | else | |
1892 | state = LISTENER_IS_OWNER; | |
1893 | } | |
1894 | listener->state = state; | |
1895 | ||
1896 | out: | |
1897 | return rc; | |
1898 | } | |
1899 | ||
1900 | static int | |
1901 | DeliverTouchEndEvent(DeviceIntPtr dev, TouchPointInfoPtr ti, InternalEvent *ev, | |
1902 | TouchListener * listener, ClientPtr client, | |
1903 | WindowPtr win, GrabPtr grab, XI2Mask *xi2mask) | |
1904 | { | |
1905 | int rc = Success; | |
1906 | ||
1907 | if (listener->type == LISTENER_POINTER_REGULAR || | |
1908 | listener->type == LISTENER_POINTER_GRAB) { | |
1909 | /* Note: If the active grab was ungrabbed, we already changed the | |
1910 | * state to LISTENER_HAS_END but still get here. So we mustn't | |
1911 | * actually send the event. | |
1912 | * This is part two of the hack in DeactivatePointerGrab | |
1913 | */ | |
1914 | if (listener->state != LISTENER_HAS_END) { | |
1915 | rc = DeliverTouchEmulatedEvent(dev, ti, ev, listener, client, win, | |
1916 | grab, xi2mask); | |
1917 | ||
1918 | /* Once we send a TouchEnd to a legacy listener, we're already well | |
1919 | * past the accepting/rejecting stage (can only happen on | |
1920 | * GrabModeSync + replay. This listener now gets the end event, | |
1921 | * and we can continue. | |
1922 | */ | |
1923 | if (rc == Success) | |
1924 | listener->state = LISTENER_HAS_END; | |
1925 | } | |
1926 | goto out; | |
1927 | } | |
1928 | ||
1929 | /* A client is waiting for the begin, don't give it a TouchEnd */ | |
1930 | if (listener->state == LISTENER_AWAITING_BEGIN) { | |
1931 | listener->state = LISTENER_HAS_END; | |
1932 | goto out; | |
1933 | } | |
1934 | ||
1935 | /* Event in response to reject */ | |
1936 | if (ev->device_event.flags & TOUCH_REJECT || | |
1937 | (ev->device_event.flags & TOUCH_ACCEPT && !TouchResourceIsOwner(ti, listener->listener))) { | |
1938 | /* Touch has been rejected, or accepted by its owner which is not this listener */ | |
1939 | if (listener->state != LISTENER_HAS_END) | |
1940 | rc = DeliverOneTouchEvent(client, dev, ti, grab, win, ev); | |
1941 | listener->state = LISTENER_HAS_END; | |
1942 | } | |
1943 | else if (TouchResourceIsOwner(ti, listener->listener)) { | |
1944 | Bool normal_end = !(ev->device_event.flags & TOUCH_ACCEPT); | |
1945 | ||
1946 | /* FIXME: what about early acceptance */ | |
1947 | if (normal_end && listener->state != LISTENER_HAS_END) | |
1948 | rc = DeliverOneTouchEvent(client, dev, ti, grab, win, ev); | |
1949 | ||
1950 | if ((ti->num_listeners > 1 || | |
1951 | (ti->num_grabs > 0 && listener->state != LISTENER_HAS_ACCEPTED)) && | |
1952 | (ev->device_event.flags & (TOUCH_ACCEPT | TOUCH_REJECT)) == 0) { | |
1953 | ev->any.type = ET_TouchUpdate; | |
1954 | ev->device_event.flags |= TOUCH_PENDING_END; | |
1955 | ti->pending_finish = TRUE; | |
1956 | } | |
1957 | ||
1958 | if (normal_end) | |
1959 | listener->state = LISTENER_HAS_END; | |
1960 | } | |
1961 | ||
1962 | out: | |
1963 | return rc; | |
1964 | } | |
1965 | ||
1966 | static int | |
1967 | DeliverTouchEvent(DeviceIntPtr dev, TouchPointInfoPtr ti, InternalEvent *ev, | |
1968 | TouchListener * listener, ClientPtr client, | |
1969 | WindowPtr win, GrabPtr grab, XI2Mask *xi2mask) | |
1970 | { | |
1971 | Bool has_ownershipmask = FALSE; | |
1972 | int rc = Success; | |
1973 | ||
1974 | if (xi2mask) | |
1975 | has_ownershipmask = xi2mask_isset(xi2mask, dev, XI_TouchOwnership); | |
1976 | ||
1977 | if (ev->any.type == ET_TouchOwnership) { | |
1978 | ev->touch_ownership_event.deviceid = dev->id; | |
1979 | if (!TouchResourceIsOwner(ti, listener->listener)) | |
1980 | goto out; | |
1981 | rc = DeliverOneTouchEvent(client, dev, ti, grab, win, ev); | |
1982 | listener->state = LISTENER_IS_OWNER; | |
1983 | } | |
1984 | else | |
1985 | ev->device_event.deviceid = dev->id; | |
1986 | ||
1987 | if (ev->any.type == ET_TouchBegin) { | |
1988 | rc = DeliverTouchBeginEvent(dev, ti, ev, listener, client, win, grab, | |
1989 | xi2mask); | |
1990 | } | |
1991 | else if (ev->any.type == ET_TouchUpdate) { | |
1992 | if (listener->type == LISTENER_POINTER_REGULAR || | |
1993 | listener->type == LISTENER_POINTER_GRAB) | |
1994 | DeliverTouchEmulatedEvent(dev, ti, ev, listener, client, win, grab, | |
1995 | xi2mask); | |
1996 | else if (TouchResourceIsOwner(ti, listener->listener) || | |
1997 | has_ownershipmask) | |
1998 | rc = DeliverOneTouchEvent(client, dev, ti, grab, win, ev); | |
1999 | } | |
2000 | else if (ev->any.type == ET_TouchEnd) | |
2001 | rc = DeliverTouchEndEvent(dev, ti, ev, listener, client, win, grab, | |
2002 | xi2mask); | |
2003 | ||
2004 | out: | |
2005 | return rc; | |
2006 | } | |
2007 | ||
2008 | /** | |
2009 | * Delivers a touch events to all interested clients. For TouchBegin events, | |
2010 | * will update ti->listeners, ti->num_listeners, and ti->num_grabs. | |
2011 | * May also mutate ev (type and flags) upon successful delivery. If | |
2012 | * @resource is non-zero, will only attempt delivery to the owner of that | |
2013 | * resource. | |
2014 | * | |
2015 | * @return TRUE if the event was delivered at least once, FALSE otherwise | |
2016 | */ | |
2017 | void | |
2018 | DeliverTouchEvents(DeviceIntPtr dev, TouchPointInfoPtr ti, | |
2019 | InternalEvent *ev, XID resource) | |
2020 | { | |
2021 | int i; | |
2022 | ||
2023 | if (ev->any.type == ET_TouchBegin && | |
2024 | !(ev->device_event.flags & (TOUCH_CLIENT_ID | TOUCH_REPLAYING))) | |
2025 | TouchSetupListeners(dev, ti, ev); | |
2026 | ||
2027 | TouchEventHistoryPush(ti, &ev->device_event); | |
2028 | ||
2029 | for (i = 0; i < ti->num_listeners; i++) { | |
2030 | GrabPtr grab = NULL; | |
2031 | ClientPtr client; | |
2032 | WindowPtr win; | |
2033 | XI2Mask *mask; | |
2034 | TouchListener *listener = &ti->listeners[i]; | |
2035 | ||
2036 | if (resource && listener->listener != resource) | |
2037 | continue; | |
2038 | ||
2039 | if (!RetrieveTouchDeliveryData(dev, ti, ev, listener, &client, &win, | |
2040 | &grab, &mask)) | |
2041 | continue; | |
2042 | ||
2043 | DeliverTouchEvent(dev, ti, ev, listener, client, win, grab, mask); | |
2044 | } | |
2045 | } | |
2046 | ||
2047 | int | |
2048 | InitProximityClassDeviceStruct(DeviceIntPtr dev) | |
2049 | { | |
2050 | ProximityClassPtr proxc; | |
2051 | ||
2052 | BUG_RETURN_VAL(dev == NULL, FALSE); | |
2053 | BUG_RETURN_VAL(dev->proximity != NULL, FALSE); | |
2054 | ||
2055 | proxc = (ProximityClassPtr) malloc(sizeof(ProximityClassRec)); | |
2056 | if (!proxc) | |
2057 | return FALSE; | |
2058 | proxc->sourceid = dev->id; | |
2059 | proxc->in_proximity = TRUE; | |
2060 | dev->proximity = proxc; | |
2061 | return TRUE; | |
2062 | } | |
2063 | ||
2064 | /** | |
2065 | * Initialise the device's valuators. The memory must already be allocated, | |
2066 | * this function merely inits the matching axis (specified through axnum) to | |
2067 | * sane values. | |
2068 | * | |
2069 | * It is a condition that (minval < maxval). | |
2070 | * | |
2071 | * @see InitValuatorClassDeviceStruct | |
2072 | */ | |
2073 | Bool | |
2074 | InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, Atom label, int minval, | |
2075 | int maxval, int resolution, int min_res, int max_res, | |
2076 | int mode) | |
2077 | { | |
2078 | AxisInfoPtr ax; | |
2079 | ||
2080 | BUG_RETURN_VAL(dev == NULL, FALSE); | |
2081 | BUG_RETURN_VAL(dev->valuator == NULL, FALSE); | |
2082 | BUG_RETURN_VAL(axnum >= dev->valuator->numAxes, FALSE); | |
2083 | BUG_RETURN_VAL(minval > maxval && mode == Absolute, FALSE); | |
2084 | ||
2085 | ax = dev->valuator->axes + axnum; | |
2086 | ||
2087 | ax->min_value = minval; | |
2088 | ax->max_value = maxval; | |
2089 | ax->resolution = resolution; | |
2090 | ax->min_resolution = min_res; | |
2091 | ax->max_resolution = max_res; | |
2092 | ax->label = label; | |
2093 | ax->mode = mode; | |
2094 | ||
2095 | if (mode & OutOfProximity) | |
2096 | dev->proximity->in_proximity = FALSE; | |
2097 | ||
2098 | return SetScrollValuator(dev, axnum, SCROLL_TYPE_NONE, 0, SCROLL_FLAG_NONE); | |
2099 | } | |
2100 | ||
2101 | /** | |
2102 | * Set the given axis number as a scrolling valuator. | |
2103 | */ | |
2104 | Bool | |
2105 | SetScrollValuator(DeviceIntPtr dev, int axnum, enum ScrollType type, | |
2106 | double increment, int flags) | |
2107 | { | |
2108 | AxisInfoPtr ax; | |
2109 | int *current_ax; | |
2110 | InternalEvent dce; | |
2111 | DeviceIntPtr master; | |
2112 | ||
2113 | BUG_RETURN_VAL(dev == NULL, FALSE); | |
2114 | BUG_RETURN_VAL(dev->valuator == NULL, FALSE); | |
2115 | BUG_RETURN_VAL(axnum >= dev->valuator->numAxes, FALSE); | |
2116 | ||
2117 | switch (type) { | |
2118 | case SCROLL_TYPE_VERTICAL: | |
2119 | current_ax = &dev->valuator->v_scroll_axis; | |
2120 | break; | |
2121 | case SCROLL_TYPE_HORIZONTAL: | |
2122 | current_ax = &dev->valuator->h_scroll_axis; | |
2123 | break; | |
2124 | case SCROLL_TYPE_NONE: | |
2125 | ax = &dev->valuator->axes[axnum]; | |
2126 | ax->scroll.type = type; | |
2127 | return TRUE; | |
2128 | default: | |
2129 | return FALSE; | |
2130 | } | |
2131 | ||
2132 | if (increment == 0.0) | |
2133 | return FALSE; | |
2134 | ||
2135 | if (*current_ax != -1 && axnum != *current_ax) { | |
2136 | ax = &dev->valuator->axes[*current_ax]; | |
2137 | if (ax->scroll.type == type && | |
2138 | (flags & SCROLL_FLAG_PREFERRED) && | |
2139 | (ax->scroll.flags & SCROLL_FLAG_PREFERRED)) | |
2140 | return FALSE; | |
2141 | } | |
2142 | *current_ax = axnum; | |
2143 | ||
2144 | ax = &dev->valuator->axes[axnum]; | |
2145 | ax->scroll.type = type; | |
2146 | ax->scroll.increment = increment; | |
2147 | ax->scroll.flags = flags; | |
2148 | ||
2149 | master = GetMaster(dev, MASTER_ATTACHED); | |
2150 | CreateClassesChangedEvent(&dce, master, dev, | |
2151 | DEVCHANGE_POINTER_EVENT | | |
2152 | DEVCHANGE_DEVICE_CHANGE); | |
2153 | XISendDeviceChangedEvent(dev, &dce.changed_event); | |
2154 | ||
2155 | /* if the current slave is us, update the master. If not, we'll update | |
2156 | * whenever the next slave switch happens anyway. CMDC sends the event | |
2157 | * for us */ | |
2158 | if (master && master->lastSlave == dev) | |
2159 | ChangeMasterDeviceClasses(master, &dce.changed_event); | |
2160 | ||
2161 | return TRUE; | |
2162 | } | |
2163 | ||
2164 | int | |
2165 | CheckGrabValues(ClientPtr client, GrabParameters *param) | |
2166 | { | |
2167 | if (param->grabtype != CORE && | |
2168 | param->grabtype != XI && param->grabtype != XI2) { | |
2169 | ErrorF("[Xi] grabtype is invalid. This is a bug.\n"); | |
2170 | return BadImplementation; | |
2171 | } | |
2172 | ||
2173 | if ((param->this_device_mode != GrabModeSync) && | |
2174 | (param->this_device_mode != GrabModeAsync) && | |
2175 | (param->this_device_mode != XIGrabModeTouch)) { | |
2176 | client->errorValue = param->this_device_mode; | |
2177 | return BadValue; | |
2178 | } | |
2179 | if ((param->other_devices_mode != GrabModeSync) && | |
2180 | (param->other_devices_mode != GrabModeAsync) && | |
2181 | (param->other_devices_mode != XIGrabModeTouch)) { | |
2182 | client->errorValue = param->other_devices_mode; | |
2183 | return BadValue; | |
2184 | } | |
2185 | ||
2186 | if (param->modifiers != AnyModifier && | |
2187 | param->modifiers != XIAnyModifier && | |
2188 | (param->modifiers & ~AllModifiersMask)) { | |
2189 | client->errorValue = param->modifiers; | |
2190 | return BadValue; | |
2191 | } | |
2192 | ||
2193 | if ((param->ownerEvents != xFalse) && (param->ownerEvents != xTrue)) { | |
2194 | client->errorValue = param->ownerEvents; | |
2195 | return BadValue; | |
2196 | } | |
2197 | return Success; | |
2198 | } | |
2199 | ||
2200 | int | |
2201 | GrabButton(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr modifier_device, | |
2202 | int button, GrabParameters *param, enum InputLevel grabtype, | |
2203 | GrabMask *mask) | |
2204 | { | |
2205 | WindowPtr pWin, confineTo; | |
2206 | CursorPtr cursor; | |
2207 | GrabPtr grab; | |
2208 | int rc, type = -1; | |
2209 | Mask access_mode = DixGrabAccess; | |
2210 | ||
2211 | rc = CheckGrabValues(client, param); | |
2212 | if (rc != Success) | |
2213 | return rc; | |
2214 | if (param->confineTo == None) | |
2215 | confineTo = NullWindow; | |
2216 | else { | |
2217 | rc = dixLookupWindow(&confineTo, param->confineTo, client, | |
2218 | DixSetAttrAccess); | |
2219 | if (rc != Success) | |
2220 | return rc; | |
2221 | } | |
2222 | if (param->cursor == None) | |
2223 | cursor = NullCursor; | |
2224 | else { | |
2225 | rc = dixLookupResourceByType((pointer *) &cursor, param->cursor, | |
2226 | RT_CURSOR, client, DixUseAccess); | |
2227 | if (rc != Success) { | |
2228 | client->errorValue = param->cursor; | |
2229 | return rc; | |
2230 | } | |
2231 | access_mode |= DixForceAccess; | |
2232 | } | |
2233 | if (param->this_device_mode == GrabModeSync || | |
2234 | param->other_devices_mode == GrabModeSync) | |
2235 | access_mode |= DixFreezeAccess; | |
2236 | rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode); | |
2237 | if (rc != Success) | |
2238 | return rc; | |
2239 | rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess); | |
2240 | if (rc != Success) | |
2241 | return rc; | |
2242 | ||
2243 | if (grabtype == XI) | |
2244 | type = DeviceButtonPress; | |
2245 | else if (grabtype == XI2) | |
2246 | type = XI_ButtonPress; | |
2247 | ||
2248 | grab = CreateGrab(client->index, dev, modifier_device, pWin, grabtype, | |
2249 | mask, param, type, button, confineTo, cursor); | |
2250 | if (!grab) | |
2251 | return BadAlloc; | |
2252 | return AddPassiveGrabToList(client, grab); | |
2253 | } | |
2254 | ||
2255 | /** | |
2256 | * Grab the given key. | |
2257 | */ | |
2258 | int | |
2259 | GrabKey(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr modifier_device, | |
2260 | int key, GrabParameters *param, enum InputLevel grabtype, | |
2261 | GrabMask *mask) | |
2262 | { | |
2263 | WindowPtr pWin; | |
2264 | GrabPtr grab; | |
2265 | KeyClassPtr k = dev->key; | |
2266 | Mask access_mode = DixGrabAccess; | |
2267 | int rc, type = -1; | |
2268 | ||
2269 | rc = CheckGrabValues(client, param); | |
2270 | if (rc != Success) | |
2271 | return rc; | |
2272 | if ((dev->id != XIAllDevices && dev->id != XIAllMasterDevices) && k == NULL) | |
2273 | return BadMatch; | |
2274 | if (grabtype == XI) { | |
2275 | if ((key > k->xkbInfo->desc->max_key_code || | |
2276 | key < k->xkbInfo->desc->min_key_code) | |
2277 | && (key != AnyKey)) { | |
2278 | client->errorValue = key; | |
2279 | return BadValue; | |
2280 | } | |
2281 | type = DeviceKeyPress; | |
2282 | } | |
2283 | else if (grabtype == XI2) | |
2284 | type = XI_KeyPress; | |
2285 | ||
2286 | rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess); | |
2287 | if (rc != Success) | |
2288 | return rc; | |
2289 | if (param->this_device_mode == GrabModeSync || | |
2290 | param->other_devices_mode == GrabModeSync) | |
2291 | access_mode |= DixFreezeAccess; | |
2292 | rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode); | |
2293 | if (rc != Success) | |
2294 | return rc; | |
2295 | ||
2296 | grab = CreateGrab(client->index, dev, modifier_device, pWin, grabtype, | |
2297 | mask, param, type, key, NULL, NULL); | |
2298 | if (!grab) | |
2299 | return BadAlloc; | |
2300 | return AddPassiveGrabToList(client, grab); | |
2301 | } | |
2302 | ||
2303 | /* Enter/FocusIn grab */ | |
2304 | int | |
2305 | GrabWindow(ClientPtr client, DeviceIntPtr dev, int type, | |
2306 | GrabParameters *param, GrabMask *mask) | |
2307 | { | |
2308 | WindowPtr pWin; | |
2309 | CursorPtr cursor; | |
2310 | GrabPtr grab; | |
2311 | Mask access_mode = DixGrabAccess; | |
2312 | int rc; | |
2313 | ||
2314 | rc = CheckGrabValues(client, param); | |
2315 | if (rc != Success) | |
2316 | return rc; | |
2317 | ||
2318 | rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess); | |
2319 | if (rc != Success) | |
2320 | return rc; | |
2321 | if (param->cursor == None) | |
2322 | cursor = NullCursor; | |
2323 | else { | |
2324 | rc = dixLookupResourceByType((pointer *) &cursor, param->cursor, | |
2325 | RT_CURSOR, client, DixUseAccess); | |
2326 | if (rc != Success) { | |
2327 | client->errorValue = param->cursor; | |
2328 | return rc; | |
2329 | } | |
2330 | access_mode |= DixForceAccess; | |
2331 | } | |
2332 | if (param->this_device_mode == GrabModeSync || | |
2333 | param->other_devices_mode == GrabModeSync) | |
2334 | access_mode |= DixFreezeAccess; | |
2335 | rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, access_mode); | |
2336 | if (rc != Success) | |
2337 | return rc; | |
2338 | ||
2339 | grab = CreateGrab(client->index, dev, dev, pWin, XI2, | |
2340 | mask, param, | |
2341 | (type == XIGrabtypeEnter) ? XI_Enter : XI_FocusIn, 0, | |
2342 | NULL, cursor); | |
2343 | ||
2344 | if (!grab) | |
2345 | return BadAlloc; | |
2346 | ||
2347 | return AddPassiveGrabToList(client, grab); | |
2348 | } | |
2349 | ||
2350 | /* Touch grab */ | |
2351 | int | |
2352 | GrabTouch(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr mod_dev, | |
2353 | GrabParameters *param, GrabMask *mask) | |
2354 | { | |
2355 | WindowPtr pWin; | |
2356 | GrabPtr grab; | |
2357 | int rc; | |
2358 | ||
2359 | rc = CheckGrabValues(client, param); | |
2360 | if (rc != Success) | |
2361 | return rc; | |
2362 | ||
2363 | rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess); | |
2364 | if (rc != Success) | |
2365 | return rc; | |
2366 | rc = XaceHook(XACE_DEVICE_ACCESS, client, dev, DixGrabAccess); | |
2367 | if (rc != Success) | |
2368 | return rc; | |
2369 | ||
2370 | grab = CreateGrab(client->index, dev, mod_dev, pWin, XI2, | |
2371 | mask, param, XI_TouchBegin, 0, NullWindow, NullCursor); | |
2372 | if (!grab) | |
2373 | return BadAlloc; | |
2374 | ||
2375 | return AddPassiveGrabToList(client, grab); | |
2376 | } | |
2377 | ||
2378 | int | |
2379 | SelectForWindow(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client, | |
2380 | Mask mask, Mask exclusivemasks) | |
2381 | { | |
2382 | int mskidx = dev->id; | |
2383 | int i, ret; | |
2384 | Mask check; | |
2385 | InputClientsPtr others; | |
2386 | ||
2387 | check = (mask & exclusivemasks); | |
2388 | if (wOtherInputMasks(pWin)) { | |
2389 | if (check & wOtherInputMasks(pWin)->inputEvents[mskidx]) { | |
2390 | /* It is illegal for two different clients to select on any of | |
2391 | * the events for maskcheck. However, it is OK, for some client | |
2392 | * to continue selecting on one of those events. | |
2393 | */ | |
2394 | for (others = wOtherInputMasks(pWin)->inputClients; others; | |
2395 | others = others->next) { | |
2396 | if (!SameClient(others, client) && (check & | |
2397 | others->mask[mskidx])) | |
2398 | return BadAccess; | |
2399 | } | |
2400 | } | |
2401 | for (others = wOtherInputMasks(pWin)->inputClients; others; | |
2402 | others = others->next) { | |
2403 | if (SameClient(others, client)) { | |
2404 | check = others->mask[mskidx]; | |
2405 | others->mask[mskidx] = mask; | |
2406 | if (mask == 0) { | |
2407 | for (i = 0; i < EMASKSIZE; i++) | |
2408 | if (i != mskidx && others->mask[i] != 0) | |
2409 | break; | |
2410 | if (i == EMASKSIZE) { | |
2411 | RecalculateDeviceDeliverableEvents(pWin); | |
2412 | if (ShouldFreeInputMasks(pWin, FALSE)) | |
2413 | FreeResource(others->resource, RT_NONE); | |
2414 | return Success; | |
2415 | } | |
2416 | } | |
2417 | goto maskSet; | |
2418 | } | |
2419 | } | |
2420 | } | |
2421 | check = 0; | |
2422 | if ((ret = AddExtensionClient(pWin, client, mask, mskidx)) != Success) | |
2423 | return ret; | |
2424 | maskSet: | |
2425 | if (dev->valuator) | |
2426 | if ((dev->valuator->motionHintWindow == pWin) && | |
2427 | (mask & DevicePointerMotionHintMask) && | |
2428 | !(check & DevicePointerMotionHintMask) && !dev->deviceGrab.grab) | |
2429 | dev->valuator->motionHintWindow = NullWindow; | |
2430 | RecalculateDeviceDeliverableEvents(pWin); | |
2431 | return Success; | |
2432 | } | |
2433 | ||
2434 | static void | |
2435 | FreeInputClient(InputClientsPtr * other) | |
2436 | { | |
2437 | xi2mask_free(&(*other)->xi2mask); | |
2438 | free(*other); | |
2439 | *other = NULL; | |
2440 | } | |
2441 | ||
2442 | static InputClientsPtr | |
2443 | AllocInputClient(void) | |
2444 | { | |
2445 | return calloc(1, sizeof(InputClients)); | |
2446 | } | |
2447 | ||
2448 | int | |
2449 | AddExtensionClient(WindowPtr pWin, ClientPtr client, Mask mask, int mskidx) | |
2450 | { | |
2451 | InputClientsPtr others; | |
2452 | ||
2453 | if (!pWin->optional && !MakeWindowOptional(pWin)) | |
2454 | return BadAlloc; | |
2455 | others = AllocInputClient(); | |
2456 | if (!others) | |
2457 | return BadAlloc; | |
2458 | if (!pWin->optional->inputMasks && !MakeInputMasks(pWin)) | |
2459 | goto bail; | |
2460 | others->xi2mask = xi2mask_new(); | |
2461 | if (!others->xi2mask) | |
2462 | goto bail; | |
2463 | others->mask[mskidx] = mask; | |
2464 | others->resource = FakeClientID(client->index); | |
2465 | others->next = pWin->optional->inputMasks->inputClients; | |
2466 | pWin->optional->inputMasks->inputClients = others; | |
2467 | if (!AddResource(others->resource, RT_INPUTCLIENT, (pointer) pWin)) | |
2468 | goto bail; | |
2469 | return Success; | |
2470 | ||
2471 | bail: | |
2472 | FreeInputClient(&others); | |
2473 | return BadAlloc; | |
2474 | } | |
2475 | ||
2476 | static Bool | |
2477 | MakeInputMasks(WindowPtr pWin) | |
2478 | { | |
2479 | struct _OtherInputMasks *imasks; | |
2480 | ||
2481 | imasks = calloc(1, sizeof(struct _OtherInputMasks)); | |
2482 | if (!imasks) | |
2483 | return FALSE; | |
2484 | imasks->xi2mask = xi2mask_new(); | |
2485 | if (!imasks->xi2mask) { | |
2486 | free(imasks); | |
2487 | return FALSE; | |
2488 | } | |
2489 | pWin->optional->inputMasks = imasks; | |
2490 | return TRUE; | |
2491 | } | |
2492 | ||
2493 | static void | |
2494 | FreeInputMask(OtherInputMasks ** imask) | |
2495 | { | |
2496 | xi2mask_free(&(*imask)->xi2mask); | |
2497 | free(*imask); | |
2498 | *imask = NULL; | |
2499 | } | |
2500 | ||
2501 | void | |
2502 | RecalculateDeviceDeliverableEvents(WindowPtr pWin) | |
2503 | { | |
2504 | InputClientsPtr others; | |
2505 | struct _OtherInputMasks *inputMasks; /* default: NULL */ | |
2506 | WindowPtr pChild, tmp; | |
2507 | int i; | |
2508 | ||
2509 | pChild = pWin; | |
2510 | while (1) { | |
2511 | if ((inputMasks = wOtherInputMasks(pChild)) != 0) { | |
2512 | xi2mask_zero(inputMasks->xi2mask, -1); | |
2513 | for (others = inputMasks->inputClients; others; | |
2514 | others = others->next) { | |
2515 | for (i = 0; i < EMASKSIZE; i++) | |
2516 | inputMasks->inputEvents[i] |= others->mask[i]; | |
2517 | xi2mask_merge(inputMasks->xi2mask, others->xi2mask); | |
2518 | } | |
2519 | for (i = 0; i < EMASKSIZE; i++) | |
2520 | inputMasks->deliverableEvents[i] = inputMasks->inputEvents[i]; | |
2521 | for (tmp = pChild->parent; tmp; tmp = tmp->parent) | |
2522 | if (wOtherInputMasks(tmp)) | |
2523 | for (i = 0; i < EMASKSIZE; i++) | |
2524 | inputMasks->deliverableEvents[i] |= | |
2525 | (wOtherInputMasks(tmp)->deliverableEvents[i] | |
2526 | & ~inputMasks->dontPropagateMask[i] & | |
2527 | PropagateMask[i]); | |
2528 | } | |
2529 | if (pChild->firstChild) { | |
2530 | pChild = pChild->firstChild; | |
2531 | continue; | |
2532 | } | |
2533 | while (!pChild->nextSib && (pChild != pWin)) | |
2534 | pChild = pChild->parent; | |
2535 | if (pChild == pWin) | |
2536 | break; | |
2537 | pChild = pChild->nextSib; | |
2538 | } | |
2539 | } | |
2540 | ||
2541 | int | |
2542 | InputClientGone(WindowPtr pWin, XID id) | |
2543 | { | |
2544 | InputClientsPtr other, prev; | |
2545 | ||
2546 | if (!wOtherInputMasks(pWin)) | |
2547 | return Success; | |
2548 | prev = 0; | |
2549 | for (other = wOtherInputMasks(pWin)->inputClients; other; | |
2550 | other = other->next) { | |
2551 | if (other->resource == id) { | |
2552 | if (prev) { | |
2553 | prev->next = other->next; | |
2554 | FreeInputClient(&other); | |
2555 | } | |
2556 | else if (!(other->next)) { | |
2557 | if (ShouldFreeInputMasks(pWin, TRUE)) { | |
2558 | OtherInputMasks *mask = wOtherInputMasks(pWin); | |
2559 | ||
2560 | mask->inputClients = other->next; | |
2561 | FreeInputMask(&mask); | |
2562 | pWin->optional->inputMasks = (OtherInputMasks *) NULL; | |
2563 | CheckWindowOptionalNeed(pWin); | |
2564 | FreeInputClient(&other); | |
2565 | } | |
2566 | else { | |
2567 | other->resource = FakeClientID(0); | |
2568 | if (!AddResource(other->resource, RT_INPUTCLIENT, | |
2569 | (pointer) pWin)) | |
2570 | return BadAlloc; | |
2571 | } | |
2572 | } | |
2573 | else { | |
2574 | wOtherInputMasks(pWin)->inputClients = other->next; | |
2575 | FreeInputClient(&other); | |
2576 | } | |
2577 | RecalculateDeviceDeliverableEvents(pWin); | |
2578 | return Success; | |
2579 | } | |
2580 | prev = other; | |
2581 | } | |
2582 | FatalError("client not on device event list"); | |
2583 | } | |
2584 | ||
2585 | /** | |
2586 | * Search for window in each touch trace for each device. Remove the window | |
2587 | * and all its subwindows from the trace when found. The initial window | |
2588 | * order is preserved. | |
2589 | */ | |
2590 | void | |
2591 | WindowGone(WindowPtr win) | |
2592 | { | |
2593 | DeviceIntPtr dev; | |
2594 | ||
2595 | for (dev = inputInfo.devices; dev; dev = dev->next) { | |
2596 | TouchClassPtr t = dev->touch; | |
2597 | int i; | |
2598 | ||
2599 | if (!t) | |
2600 | continue; | |
2601 | ||
2602 | for (i = 0; i < t->num_touches; i++) { | |
2603 | SpritePtr sprite = &t->touches[i].sprite; | |
2604 | int j; | |
2605 | ||
2606 | for (j = 0; j < sprite->spriteTraceGood; j++) { | |
2607 | if (sprite->spriteTrace[j] == win) { | |
2608 | sprite->spriteTraceGood = j; | |
2609 | break; | |
2610 | } | |
2611 | } | |
2612 | } | |
2613 | } | |
2614 | } | |
2615 | ||
2616 | int | |
2617 | SendEvent(ClientPtr client, DeviceIntPtr d, Window dest, Bool propagate, | |
2618 | xEvent *ev, Mask mask, int count) | |
2619 | { | |
2620 | WindowPtr pWin; | |
2621 | WindowPtr effectiveFocus = NullWindow; /* only set if dest==InputFocus */ | |
2622 | WindowPtr spriteWin = GetSpriteWindow(d); | |
2623 | ||
2624 | if (dest == PointerWindow) | |
2625 | pWin = spriteWin; | |
2626 | else if (dest == InputFocus) { | |
2627 | WindowPtr inputFocus; | |
2628 | ||
2629 | if (!d->focus) | |
2630 | inputFocus = spriteWin; | |
2631 | else | |
2632 | inputFocus = d->focus->win; | |
2633 | ||
2634 | if (inputFocus == FollowKeyboardWin) | |
2635 | inputFocus = inputInfo.keyboard->focus->win; | |
2636 | ||
2637 | if (inputFocus == NoneWin) | |
2638 | return Success; | |
2639 | ||
2640 | /* If the input focus is PointerRootWin, send the event to where | |
2641 | * the pointer is if possible, then perhaps propogate up to root. */ | |
2642 | if (inputFocus == PointerRootWin) | |
2643 | inputFocus = GetCurrentRootWindow(d); | |
2644 | ||
2645 | if (IsParent(inputFocus, spriteWin)) { | |
2646 | effectiveFocus = inputFocus; | |
2647 | pWin = spriteWin; | |
2648 | } | |
2649 | else | |
2650 | effectiveFocus = pWin = inputFocus; | |
2651 | } | |
2652 | else | |
2653 | dixLookupWindow(&pWin, dest, client, DixSendAccess); | |
2654 | if (!pWin) | |
2655 | return BadWindow; | |
2656 | if ((propagate != xFalse) && (propagate != xTrue)) { | |
2657 | client->errorValue = propagate; | |
2658 | return BadValue; | |
2659 | } | |
2660 | ev->u.u.type |= 0x80; | |
2661 | if (propagate) { | |
2662 | for (; pWin; pWin = pWin->parent) { | |
2663 | if (DeliverEventsToWindow(d, pWin, ev, count, mask, NullGrab)) | |
2664 | return Success; | |
2665 | if (pWin == effectiveFocus) | |
2666 | return Success; | |
2667 | if (wOtherInputMasks(pWin)) | |
2668 | mask &= ~wOtherInputMasks(pWin)->dontPropagateMask[d->id]; | |
2669 | if (!mask) | |
2670 | break; | |
2671 | } | |
2672 | } | |
2673 | else if (!XaceHook(XACE_SEND_ACCESS, client, NULL, pWin, ev, count)) | |
2674 | DeliverEventsToWindow(d, pWin, ev, count, mask, NullGrab); | |
2675 | return Success; | |
2676 | } | |
2677 | ||
2678 | int | |
2679 | SetButtonMapping(ClientPtr client, DeviceIntPtr dev, int nElts, BYTE * map) | |
2680 | { | |
2681 | int i; | |
2682 | ButtonClassPtr b = dev->button; | |
2683 | ||
2684 | if (b == NULL) | |
2685 | return BadMatch; | |
2686 | ||
2687 | if (nElts != b->numButtons) { | |
2688 | client->errorValue = nElts; | |
2689 | return BadValue; | |
2690 | } | |
2691 | if (BadDeviceMap(&map[0], nElts, 1, 255, &client->errorValue)) | |
2692 | return BadValue; | |
2693 | for (i = 0; i < nElts; i++) | |
2694 | if ((b->map[i + 1] != map[i]) && BitIsOn(b->down, i + 1)) | |
2695 | return MappingBusy; | |
2696 | for (i = 0; i < nElts; i++) | |
2697 | b->map[i + 1] = map[i]; | |
2698 | return Success; | |
2699 | } | |
2700 | ||
2701 | int | |
2702 | ChangeKeyMapping(ClientPtr client, | |
2703 | DeviceIntPtr dev, | |
2704 | unsigned len, | |
2705 | int type, | |
2706 | KeyCode firstKeyCode, | |
2707 | CARD8 keyCodes, CARD8 keySymsPerKeyCode, KeySym * map) | |
2708 | { | |
2709 | KeySymsRec keysyms; | |
2710 | KeyClassPtr k = dev->key; | |
2711 | ||
2712 | if (k == NULL) | |
2713 | return BadMatch; | |
2714 | ||
2715 | if (len != (keyCodes * keySymsPerKeyCode)) | |
2716 | return BadLength; | |
2717 | ||
2718 | if ((firstKeyCode < k->xkbInfo->desc->min_key_code) || | |
2719 | (firstKeyCode + keyCodes - 1 > k->xkbInfo->desc->max_key_code)) { | |
2720 | client->errorValue = firstKeyCode; | |
2721 | return BadValue; | |
2722 | } | |
2723 | if (keySymsPerKeyCode == 0) { | |
2724 | client->errorValue = 0; | |
2725 | return BadValue; | |
2726 | } | |
2727 | keysyms.minKeyCode = firstKeyCode; | |
2728 | keysyms.maxKeyCode = firstKeyCode + keyCodes - 1; | |
2729 | keysyms.mapWidth = keySymsPerKeyCode; | |
2730 | keysyms.map = map; | |
2731 | ||
2732 | XkbApplyMappingChange(dev, &keysyms, firstKeyCode, keyCodes, NULL, | |
2733 | serverClient); | |
2734 | ||
2735 | return Success; | |
2736 | } | |
2737 | ||
2738 | static void | |
2739 | DeleteDeviceFromAnyExtEvents(WindowPtr pWin, DeviceIntPtr dev) | |
2740 | { | |
2741 | WindowPtr parent; | |
2742 | ||
2743 | /* Deactivate any grabs performed on this window, before making | |
2744 | * any input focus changes. | |
2745 | * Deactivating a device grab should cause focus events. */ | |
2746 | ||
2747 | if (dev->deviceGrab.grab && (dev->deviceGrab.grab->window == pWin)) | |
2748 | (*dev->deviceGrab.DeactivateGrab) (dev); | |
2749 | ||
2750 | /* If the focus window is a root window (ie. has no parent) | |
2751 | * then don't delete the focus from it. */ | |
2752 | ||
2753 | if (dev->focus && (pWin == dev->focus->win) && (pWin->parent != NullWindow)) { | |
2754 | int focusEventMode = NotifyNormal; | |
2755 | ||
2756 | /* If a grab is in progress, then alter the mode of focus events. */ | |
2757 | ||
2758 | if (dev->deviceGrab.grab) | |
2759 | focusEventMode = NotifyWhileGrabbed; | |
2760 | ||
2761 | switch (dev->focus->revert) { | |
2762 | case RevertToNone: | |
2763 | if (!ActivateFocusInGrab(dev, pWin, NoneWin)) | |
2764 | DoFocusEvents(dev, pWin, NoneWin, focusEventMode); | |
2765 | dev->focus->win = NoneWin; | |
2766 | dev->focus->traceGood = 0; | |
2767 | break; | |
2768 | case RevertToParent: | |
2769 | parent = pWin; | |
2770 | do { | |
2771 | parent = parent->parent; | |
2772 | dev->focus->traceGood--; | |
2773 | } | |
2774 | while (!parent->realized); | |
2775 | if (!ActivateFocusInGrab(dev, pWin, parent)) | |
2776 | DoFocusEvents(dev, pWin, parent, focusEventMode); | |
2777 | dev->focus->win = parent; | |
2778 | dev->focus->revert = RevertToNone; | |
2779 | break; | |
2780 | case RevertToPointerRoot: | |
2781 | if (!ActivateFocusInGrab(dev, pWin, PointerRootWin)) | |
2782 | DoFocusEvents(dev, pWin, PointerRootWin, focusEventMode); | |
2783 | dev->focus->win = PointerRootWin; | |
2784 | dev->focus->traceGood = 0; | |
2785 | break; | |
2786 | case RevertToFollowKeyboard: | |
2787 | { | |
2788 | DeviceIntPtr kbd = GetMaster(dev, MASTER_KEYBOARD); | |
2789 | ||
2790 | if (!kbd || (kbd == dev && kbd != inputInfo.keyboard)) | |
2791 | kbd = inputInfo.keyboard; | |
2792 | if (kbd->focus->win) { | |
2793 | if (!ActivateFocusInGrab(dev, pWin, kbd->focus->win)) | |
2794 | DoFocusEvents(dev, pWin, kbd->focus->win, focusEventMode); | |
2795 | dev->focus->win = FollowKeyboardWin; | |
2796 | dev->focus->traceGood = 0; | |
2797 | } | |
2798 | else { | |
2799 | if (!ActivateFocusInGrab(dev, pWin, NoneWin)) | |
2800 | DoFocusEvents(dev, pWin, NoneWin, focusEventMode); | |
2801 | dev->focus->win = NoneWin; | |
2802 | dev->focus->traceGood = 0; | |
2803 | } | |
2804 | } | |
2805 | break; | |
2806 | } | |
2807 | } | |
2808 | ||
2809 | if (dev->valuator) | |
2810 | if (dev->valuator->motionHintWindow == pWin) | |
2811 | dev->valuator->motionHintWindow = NullWindow; | |
2812 | } | |
2813 | ||
2814 | void | |
2815 | DeleteWindowFromAnyExtEvents(WindowPtr pWin, Bool freeResources) | |
2816 | { | |
2817 | int i; | |
2818 | DeviceIntPtr dev; | |
2819 | InputClientsPtr ic; | |
2820 | struct _OtherInputMasks *inputMasks; | |
2821 | ||
2822 | for (dev = inputInfo.devices; dev; dev = dev->next) { | |
2823 | DeleteDeviceFromAnyExtEvents(pWin, dev); | |
2824 | } | |
2825 | ||
2826 | for (dev = inputInfo.off_devices; dev; dev = dev->next) | |
2827 | DeleteDeviceFromAnyExtEvents(pWin, dev); | |
2828 | ||
2829 | if (freeResources) | |
2830 | while ((inputMasks = wOtherInputMasks(pWin)) != 0) { | |
2831 | ic = inputMasks->inputClients; | |
2832 | for (i = 0; i < EMASKSIZE; i++) | |
2833 | inputMasks->dontPropagateMask[i] = 0; | |
2834 | FreeResource(ic->resource, RT_NONE); | |
2835 | } | |
2836 | } | |
2837 | ||
2838 | int | |
2839 | MaybeSendDeviceMotionNotifyHint(deviceKeyButtonPointer *pEvents, Mask mask) | |
2840 | { | |
2841 | DeviceIntPtr dev; | |
2842 | ||
2843 | dixLookupDevice(&dev, pEvents->deviceid & DEVICE_BITS, serverClient, | |
2844 | DixReadAccess); | |
2845 | if (!dev) | |
2846 | return 0; | |
2847 | ||
2848 | if (pEvents->type == DeviceMotionNotify) { | |
2849 | if (mask & DevicePointerMotionHintMask) { | |
2850 | if (WID(dev->valuator->motionHintWindow) == pEvents->event) { | |
2851 | return 1; /* don't send, but pretend we did */ | |
2852 | } | |
2853 | pEvents->detail = NotifyHint; | |
2854 | } | |
2855 | else { | |
2856 | pEvents->detail = NotifyNormal; | |
2857 | } | |
2858 | } | |
2859 | return 0; | |
2860 | } | |
2861 | ||
2862 | void | |
2863 | CheckDeviceGrabAndHintWindow(WindowPtr pWin, int type, | |
2864 | deviceKeyButtonPointer *xE, GrabPtr grab, | |
2865 | ClientPtr client, Mask deliveryMask) | |
2866 | { | |
2867 | DeviceIntPtr dev; | |
2868 | ||
2869 | dixLookupDevice(&dev, xE->deviceid & DEVICE_BITS, serverClient, | |
2870 | DixGrabAccess); | |
2871 | if (!dev) | |
2872 | return; | |
2873 | ||
2874 | if (type == DeviceMotionNotify) | |
2875 | dev->valuator->motionHintWindow = pWin; | |
2876 | else if ((type == DeviceButtonPress) && (!grab) && | |
2877 | (deliveryMask & DeviceButtonGrabMask)) { | |
2878 | GrabPtr tempGrab; | |
2879 | ||
2880 | tempGrab = AllocGrab(NULL); | |
2881 | if (!tempGrab) | |
2882 | return; | |
2883 | ||
2884 | tempGrab->device = dev; | |
2885 | tempGrab->resource = client->clientAsMask; | |
2886 | tempGrab->window = pWin; | |
2887 | tempGrab->ownerEvents = | |
2888 | (deliveryMask & DeviceOwnerGrabButtonMask) ? TRUE : FALSE; | |
2889 | tempGrab->eventMask = deliveryMask; | |
2890 | tempGrab->keyboardMode = GrabModeAsync; | |
2891 | tempGrab->pointerMode = GrabModeAsync; | |
2892 | tempGrab->confineTo = NullWindow; | |
2893 | tempGrab->cursor = NullCursor; | |
2894 | tempGrab->next = NULL; | |
2895 | (*dev->deviceGrab.ActivateGrab) (dev, tempGrab, currentTime, TRUE); | |
2896 | FreeGrab(tempGrab); | |
2897 | } | |
2898 | } | |
2899 | ||
2900 | static Mask | |
2901 | DeviceEventMaskForClient(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client) | |
2902 | { | |
2903 | InputClientsPtr other; | |
2904 | ||
2905 | if (!wOtherInputMasks(pWin)) | |
2906 | return 0; | |
2907 | for (other = wOtherInputMasks(pWin)->inputClients; other; | |
2908 | other = other->next) { | |
2909 | if (SameClient(other, client)) | |
2910 | return other->mask[dev->id]; | |
2911 | } | |
2912 | return 0; | |
2913 | } | |
2914 | ||
2915 | void | |
2916 | MaybeStopDeviceHint(DeviceIntPtr dev, ClientPtr client) | |
2917 | { | |
2918 | WindowPtr pWin; | |
2919 | GrabPtr grab = dev->deviceGrab.grab; | |
2920 | ||
2921 | pWin = dev->valuator->motionHintWindow; | |
2922 | ||
2923 | if ((grab && SameClient(grab, client) && | |
2924 | ((grab->eventMask & DevicePointerMotionHintMask) || | |
2925 | (grab->ownerEvents && | |
2926 | (DeviceEventMaskForClient(dev, pWin, client) & | |
2927 | DevicePointerMotionHintMask)))) || | |
2928 | (!grab && | |
2929 | (DeviceEventMaskForClient(dev, pWin, client) & | |
2930 | DevicePointerMotionHintMask))) | |
2931 | dev->valuator->motionHintWindow = NullWindow; | |
2932 | } | |
2933 | ||
2934 | int | |
2935 | DeviceEventSuppressForWindow(WindowPtr pWin, ClientPtr client, Mask mask, | |
2936 | int maskndx) | |
2937 | { | |
2938 | struct _OtherInputMasks *inputMasks = wOtherInputMasks(pWin); | |
2939 | ||
2940 | if (mask & ~PropagateMask[maskndx]) { | |
2941 | client->errorValue = mask; | |
2942 | return BadValue; | |
2943 | } | |
2944 | ||
2945 | if (mask == 0) { | |
2946 | if (inputMasks) | |
2947 | inputMasks->dontPropagateMask[maskndx] = mask; | |
2948 | } | |
2949 | else { | |
2950 | if (!inputMasks) | |
2951 | AddExtensionClient(pWin, client, 0, 0); | |
2952 | inputMasks = wOtherInputMasks(pWin); | |
2953 | inputMasks->dontPropagateMask[maskndx] = mask; | |
2954 | } | |
2955 | RecalculateDeviceDeliverableEvents(pWin); | |
2956 | if (ShouldFreeInputMasks(pWin, FALSE)) | |
2957 | FreeResource(inputMasks->inputClients->resource, RT_NONE); | |
2958 | return Success; | |
2959 | } | |
2960 | ||
2961 | Bool | |
2962 | ShouldFreeInputMasks(WindowPtr pWin, Bool ignoreSelectedEvents) | |
2963 | { | |
2964 | int i; | |
2965 | Mask allInputEventMasks = 0; | |
2966 | struct _OtherInputMasks *inputMasks = wOtherInputMasks(pWin); | |
2967 | ||
2968 | for (i = 0; i < EMASKSIZE; i++) | |
2969 | allInputEventMasks |= inputMasks->dontPropagateMask[i]; | |
2970 | if (!ignoreSelectedEvents) | |
2971 | for (i = 0; i < EMASKSIZE; i++) | |
2972 | allInputEventMasks |= inputMasks->inputEvents[i]; | |
2973 | if (allInputEventMasks == 0) | |
2974 | return TRUE; | |
2975 | else | |
2976 | return FALSE; | |
2977 | } | |
2978 | ||
2979 | /*********************************************************************** | |
2980 | * | |
2981 | * Walk through the window tree, finding all clients that want to know | |
2982 | * about the Event. | |
2983 | * | |
2984 | */ | |
2985 | ||
2986 | static void | |
2987 | FindInterestedChildren(DeviceIntPtr dev, WindowPtr p1, Mask mask, | |
2988 | xEvent *ev, int count) | |
2989 | { | |
2990 | WindowPtr p2; | |
2991 | ||
2992 | while (p1) { | |
2993 | p2 = p1->firstChild; | |
2994 | DeliverEventsToWindow(dev, p1, ev, count, mask, NullGrab); | |
2995 | FindInterestedChildren(dev, p2, mask, ev, count); | |
2996 | p1 = p1->nextSib; | |
2997 | } | |
2998 | } | |
2999 | ||
3000 | /*********************************************************************** | |
3001 | * | |
3002 | * Send an event to interested clients in all windows on all screens. | |
3003 | * | |
3004 | */ | |
3005 | ||
3006 | void | |
3007 | SendEventToAllWindows(DeviceIntPtr dev, Mask mask, xEvent *ev, int count) | |
3008 | { | |
3009 | int i; | |
3010 | WindowPtr pWin, p1; | |
3011 | ||
3012 | for (i = 0; i < screenInfo.numScreens; i++) { | |
3013 | pWin = screenInfo.screens[i]->root; | |
3014 | if (!pWin) | |
3015 | continue; | |
3016 | DeliverEventsToWindow(dev, pWin, ev, count, mask, NullGrab); | |
3017 | p1 = pWin->firstChild; | |
3018 | FindInterestedChildren(dev, p1, mask, ev, count); | |
3019 | } | |
3020 | } | |
3021 | ||
3022 | /** | |
3023 | * Set the XI2 mask for the given client on the given window. | |
3024 | * @param dev The device to set the mask for. | |
3025 | * @param win The window to set the mask on. | |
3026 | * @param client The client setting the mask. | |
3027 | * @param len Number of bytes in mask. | |
3028 | * @param mask Event mask in the form of (1 << eventtype) | |
3029 | */ | |
3030 | int | |
3031 | XISetEventMask(DeviceIntPtr dev, WindowPtr win, ClientPtr client, | |
3032 | unsigned int len, unsigned char *mask) | |
3033 | { | |
3034 | OtherInputMasks *masks; | |
3035 | InputClientsPtr others = NULL; | |
3036 | ||
3037 | masks = wOtherInputMasks(win); | |
3038 | if (masks) { | |
3039 | for (others = wOtherInputMasks(win)->inputClients; others; | |
3040 | others = others->next) { | |
3041 | if (SameClient(others, client)) { | |
3042 | xi2mask_zero(others->xi2mask, dev->id); | |
3043 | break; | |
3044 | } | |
3045 | } | |
3046 | } | |
3047 | ||
3048 | if (len && !others) { | |
3049 | if (AddExtensionClient(win, client, 0, 0) != Success) | |
3050 | return BadAlloc; | |
3051 | others = wOtherInputMasks(win)->inputClients; | |
3052 | } | |
3053 | ||
3054 | if (others) { | |
3055 | xi2mask_zero(others->xi2mask, dev->id); | |
3056 | len = min(len, xi2mask_mask_size(others->xi2mask)); | |
3057 | } | |
3058 | ||
3059 | if (len) { | |
3060 | xi2mask_set_one_mask(others->xi2mask, dev->id, mask, len); | |
3061 | } | |
3062 | ||
3063 | RecalculateDeviceDeliverableEvents(win); | |
3064 | ||
3065 | return Success; | |
3066 | } |