File: | Xi/exevents.c |
Location: | line 1032, column 5 |
Description: | Value stored to 'err' is never read |
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_H1 |
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) ((w) ? ((w)->drawable.id) : 0) |
113 | #define AllModifiersMask( (1<<0) | (1<<1) | (1<<2) | (1<<3) | (1<<4) | (1<<5) | (1<<6) | (1<<7) ) ( \ |
114 | ShiftMask(1<<0) | LockMask(1<<1) | ControlMask(1<<2) | Mod1Mask(1<<3) | Mod2Mask(1<<4) | \ |
115 | Mod3Mask(1<<5) | Mod4Mask(1<<6) | Mod5Mask(1<<7) ) |
116 | #define AllButtonsMask( (1<<8) | (1<<9) | (1<<10) | (1<<11) | (1<<12) ) ( \ |
117 | Button1Mask(1<<8) | Button2Mask(1<<9) | Button3Mask(1<<10) | Button4Mask(1<<11) | Button5Mask(1<<12) ) |
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_FLOAT5); |
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 TRUE1; |
151 | default: |
152 | break; |
153 | } |
154 | return FALSE0; |
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 TRUE1; |
165 | default: |
166 | break; |
167 | } |
168 | return FALSE0; |
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((void*)0); |
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_EVENTS0x80; |
189 | |
190 | rc = dixLookupDevice(&pDev, id, serverClient, DixUnknownAccess0); |
191 | if (rc != Success0) |
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 (!XkbDeviceApplyKeymap(master, device->key->xkbInfo->desc)) |
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((void*)0); |
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((void*)0); |
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((void*)0); |
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((void*)0); |
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((void*)0); |
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((void*)0); |
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((void*)0); |
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((void*)0), *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((void*)0); |
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((void*)0), NULL((void*)0), NULL((void*)0)); |
389 | classes->kbdfeed = NULL((void*)0); |
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((void*)0)); |
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((void*)0); |
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((void*)0), NULL((void*)0), NULL((void*)0)); |
423 | else |
424 | classes->key = NULL((void*)0); |
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((void*)0); |
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(1L<<0)) { |
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((void*)0); |
471 | |
472 | oldTrace = to->focus->trace; |
473 | memcpy(to->focus, from->focus, sizeof(FocusClassRec))__builtin___memcpy_chk (to->focus, from->focus, sizeof( FocusClassRec), __builtin_object_size (to->focus, 0)); |
474 | to->focus->trace = reallocarrayxreallocarray(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,__builtin___memcpy_chk (to->focus->trace, from->focus ->trace, from->focus->traceSize * sizeof(WindowPtr), __builtin_object_size (to->focus->trace, 0)) |
480 | from->focus->traceSize * sizeof(WindowPtr))__builtin___memcpy_chk (to->focus->trace, from->focus ->trace, from->focus->traceSize * sizeof(WindowPtr), __builtin_object_size (to->focus->trace, 0)); |
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((void*)0); |
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((void*)0); |
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((void*)0); |
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((void*)0); |
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))__builtin___memcpy_chk (v->axes, from->valuator->axes , v->numAxes * sizeof(AxisInfo), __builtin_object_size (v-> axes, 0)); |
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((void*)0); |
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((void*)0); |
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,__builtin___memcpy_chk (to->button->xkb_acts, from-> button->xkb_acts, sizeof(XkbAction), __builtin_object_size (to->button->xkb_acts, 0)) |
576 | sizeof(XkbAction))__builtin___memcpy_chk (to->button->xkb_acts, from-> button->xkb_acts, sizeof(XkbAction), __builtin_object_size (to->button->xkb_acts, 0)); |
577 | } |
578 | else |
579 | free(to->button->xkb_acts); |
580 | |
581 | memcpy(to->button->labels, from->button->labels,__builtin___memcpy_chk (to->button->labels, from->button ->labels, from->button->numButtons * sizeof(Atom), __builtin_object_size (to->button->labels, 0)) |
582 | from->button->numButtons * sizeof(Atom))__builtin___memcpy_chk (to->button->labels, from->button ->labels, from->button->numButtons * sizeof(Atom), __builtin_object_size (to->button->labels, 0)); |
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((void*)0); |
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((void*)0); |
602 | } |
603 | memcpy(to->proximity, from->proximity, sizeof(ProximityClassRec))__builtin___memcpy_chk (to->proximity, from->proximity, sizeof(ProximityClassRec), __builtin_object_size (to->proximity , 0)); |
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((void*)0); |
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((void*)0); |
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 | input_lock(); |
665 | |
666 | /* generic feedback classes, not tied to pointer and/or keyboard */ |
667 | DeepCopyFeedbackClasses(from, to); |
668 | |
669 | if ((dce->flags & DEVCHANGE_KEYBOARD_EVENT0x8)) |
670 | DeepCopyKeyboardClasses(from, to); |
671 | if ((dce->flags & DEVCHANGE_POINTER_EVENT0x4)) |
672 | DeepCopyPointerClasses(from, to); |
673 | |
674 | input_unlock(); |
675 | } |
676 | |
677 | /** |
678 | * Send an XI2 DeviceChangedEvent to all interested clients. |
679 | */ |
680 | void |
681 | XISendDeviceChangedEvent(DeviceIntPtr device, DeviceChangedEvent *dce) |
682 | { |
683 | xXIDeviceChangedEvent *dcce; |
684 | int rc; |
685 | |
686 | rc = EventToXI2((InternalEvent *) dce, (xEvent **) &dcce); |
687 | if (rc != Success0) { |
688 | ErrorF("[Xi] event conversion from DCE failed with code %d\n", rc); |
689 | return; |
690 | } |
691 | |
692 | /* we don't actually swap if there's a NullClient, swapping is done |
693 | * later when event is delivered. */ |
694 | SendEventToAllWindows(device, XI_DeviceChangedMask(1 << 1), (xEvent *) dcce, 1); |
695 | free(dcce); |
696 | } |
697 | |
698 | static void |
699 | ChangeMasterDeviceClasses(DeviceIntPtr device, DeviceChangedEvent *dce) |
700 | { |
701 | DeviceIntPtr slave; |
702 | int rc; |
703 | |
704 | /* For now, we don't have devices that change physically. */ |
705 | if (!IsMaster(device)) |
706 | return; |
707 | |
708 | rc = dixLookupDevice(&slave, dce->sourceid, serverClient, DixReadAccess(1<<0)); |
709 | |
710 | if (rc != Success0) |
711 | return; /* Device has disappeared */ |
712 | |
713 | if (IsMaster(slave)) |
714 | return; |
715 | |
716 | if (IsFloating(slave)) |
717 | return; /* set floating since the event */ |
718 | |
719 | if (GetMaster(slave, MASTER_ATTACHED4)->id != dce->masterid) |
720 | return; /* not our slave anymore, don't care */ |
721 | |
722 | /* FIXME: we probably need to send a DCE for the new slave now */ |
723 | |
724 | device->public.devicePrivate = slave->public.devicePrivate; |
725 | |
726 | /* FIXME: the classes may have changed since we generated the event. */ |
727 | DeepCopyDeviceClasses(slave, device, dce); |
728 | dce->deviceid = device->id; |
729 | XISendDeviceChangedEvent(device, dce); |
730 | } |
731 | |
732 | /** |
733 | * Add state and motionMask to the filter for this event. The protocol |
734 | * supports some extra masks for motion when a button is down: |
735 | * ButtonXMotionMask and the DeviceButtonMotionMask to trigger only when at |
736 | * least one button (or that specific button is down). These masks need to |
737 | * be added to the filters for core/XI motion events. |
738 | * |
739 | * @param device The device to update the mask for |
740 | * @param state The current button state mask |
741 | * @param motion_mask The motion mask (DeviceButtonMotionMask or 0) |
742 | */ |
743 | static void |
744 | UpdateDeviceMotionMask(DeviceIntPtr device, unsigned short state, |
745 | Mask motion_mask) |
746 | { |
747 | Mask mask; |
748 | |
749 | mask = DevicePointerMotionMask | state | motion_mask; |
750 | SetMaskForEvent(device->id, mask, DeviceMotionNotify); |
751 | mask = PointerMotionMask(1L<<6) | state | motion_mask; |
752 | SetMaskForEvent(device->id, mask, MotionNotify6); |
753 | } |
754 | |
755 | static void |
756 | IncreaseButtonCount(DeviceIntPtr dev, int key, CARD8 *buttons_down, |
757 | Mask *motion_mask, unsigned short *state) |
758 | { |
759 | if (dev->valuator) |
760 | dev->valuator->motionHintWindow = NullWindow((WindowPtr) 0); |
761 | |
762 | (*buttons_down)++; |
763 | *motion_mask = DeviceButtonMotionMask; |
764 | if (dev->button->map[key] <= 5) |
765 | *state |= (Button1Mask(1<<8) >> 1) << dev->button->map[key]; |
766 | } |
767 | |
768 | static void |
769 | DecreaseButtonCount(DeviceIntPtr dev, int key, CARD8 *buttons_down, |
770 | Mask *motion_mask, unsigned short *state) |
771 | { |
772 | if (dev->valuator) |
773 | dev->valuator->motionHintWindow = NullWindow((WindowPtr) 0); |
774 | |
775 | if (*buttons_down >= 1 && !--(*buttons_down)) |
776 | *motion_mask = 0; |
777 | if (dev->button->map[key] <= 5) |
778 | *state &= ~((Button1Mask(1<<8) >> 1) << dev->button->map[key]); |
779 | } |
780 | |
781 | /** |
782 | * Update the device state according to the data in the event. |
783 | * |
784 | * return values are |
785 | * DEFAULT ... process as normal |
786 | * DONT_PROCESS ... return immediately from caller |
787 | */ |
788 | #define DEFAULT0 0 |
789 | #define DONT_PROCESS1 1 |
790 | int |
791 | UpdateDeviceState(DeviceIntPtr device, DeviceEvent *event) |
792 | { |
793 | int i; |
794 | int key = 0, last_valuator; |
795 | |
796 | KeyClassPtr k = NULL((void*)0); |
797 | ButtonClassPtr b = NULL((void*)0); |
798 | ValuatorClassPtr v = NULL((void*)0); |
799 | TouchClassPtr t = NULL((void*)0); |
800 | |
801 | /* This event is always the first we get, before the actual events with |
802 | * the data. However, the way how the DDX is set up, "device" will |
803 | * actually be the slave device that caused the event. |
804 | */ |
805 | switch (event->type) { |
806 | case ET_DeviceChanged: |
807 | ChangeMasterDeviceClasses(device, (DeviceChangedEvent *) event); |
808 | return DONT_PROCESS1; /* event has been sent already */ |
809 | case ET_Motion: |
810 | case ET_ButtonPress: |
811 | case ET_ButtonRelease: |
812 | case ET_KeyPress: |
813 | case ET_KeyRelease: |
814 | case ET_ProximityIn: |
815 | case ET_ProximityOut: |
816 | case ET_TouchBegin: |
817 | case ET_TouchUpdate: |
818 | case ET_TouchEnd: |
819 | break; |
820 | default: |
821 | /* other events don't update the device */ |
822 | return DEFAULT0; |
823 | } |
824 | |
825 | k = device->key; |
826 | v = device->valuator; |
827 | b = device->button; |
828 | t = device->touch; |
829 | |
830 | key = event->detail.key; |
831 | |
832 | /* Update device axis */ |
833 | /* Check valuators first */ |
834 | last_valuator = -1; |
835 | for (i = 0; i < MAX_VALUATORS36; i++) { |
836 | if (BitIsOn(&event->valuators.mask, i)(!!(((const BYTE *) (&event->valuators.mask))[(i)>> 3] & (1 << ((i) & 7))))) { |
837 | if (!v) { |
838 | ErrorF("[Xi] Valuators reported for non-valuator device '%s'. " |
839 | "Ignoring event.\n", device->name); |
840 | return DONT_PROCESS1; |
841 | } |
842 | else if (v->numAxes < i) { |
843 | ErrorF("[Xi] Too many valuators reported for device '%s'. " |
844 | "Ignoring event.\n", device->name); |
845 | return DONT_PROCESS1; |
846 | } |
847 | last_valuator = i; |
848 | } |
849 | } |
850 | |
851 | for (i = 0; i <= last_valuator && i < v->numAxes; i++) { |
852 | /* XXX: Relative/Absolute mode */ |
853 | if (BitIsOn(&event->valuators.mask, i)(!!(((const BYTE *) (&event->valuators.mask))[(i)>> 3] & (1 << ((i) & 7))))) |
854 | v->axisVal[i] = event->valuators.data[i]; |
855 | } |
856 | |
857 | if (event->type == ET_KeyPress) { |
858 | if (!k) |
859 | return DONT_PROCESS1; |
860 | |
861 | /* don't allow ddx to generate multiple downs, but repeats are okay */ |
862 | if (key_is_down(device, key, KEY_PROCESSED1) && !event->key_repeat) |
863 | return DONT_PROCESS1; |
864 | |
865 | if (device->valuator) |
866 | device->valuator->motionHintWindow = NullWindow((WindowPtr) 0); |
867 | set_key_down(device, key, KEY_PROCESSED1); |
868 | } |
869 | else if (event->type == ET_KeyRelease) { |
870 | if (!k) |
871 | return DONT_PROCESS1; |
872 | |
873 | if (!key_is_down(device, key, KEY_PROCESSED1)) /* guard against duplicates */ |
874 | return DONT_PROCESS1; |
875 | if (device->valuator) |
876 | device->valuator->motionHintWindow = NullWindow((WindowPtr) 0); |
877 | set_key_up(device, key, KEY_PROCESSED1); |
878 | } |
879 | else if (event->type == ET_ButtonPress) { |
880 | if (!b) |
881 | return DONT_PROCESS1; |
882 | |
883 | if (button_is_down(device, key, BUTTON_PROCESSED1)) |
884 | return DONT_PROCESS1; |
885 | |
886 | set_button_down(device, key, BUTTON_PROCESSED1); |
887 | |
888 | if (!b->map[key]) |
889 | return DONT_PROCESS1; |
890 | |
891 | IncreaseButtonCount(device, key, &b->buttonsDown, &b->motionMask, |
892 | &b->state); |
893 | UpdateDeviceMotionMask(device, b->state, b->motionMask); |
894 | } |
895 | else if (event->type == ET_ButtonRelease) { |
896 | if (!b) |
897 | return DONT_PROCESS1; |
898 | |
899 | if (!button_is_down(device, key, BUTTON_PROCESSED1)) |
900 | return DONT_PROCESS1; |
901 | if (IsMaster(device)) { |
902 | DeviceIntPtr sd; |
903 | |
904 | /* |
905 | * Leave the button down if any slave has the |
906 | * button still down. Note that this depends on the |
907 | * event being delivered through the slave first |
908 | */ |
909 | for (sd = inputInfo.devices; sd; sd = sd->next) { |
910 | if (IsMaster(sd) || GetMaster(sd, MASTER_POINTER1) != device) |
911 | continue; |
912 | if (!sd->button) |
913 | continue; |
914 | for (i = 1; i <= sd->button->numButtons; i++) |
915 | if (sd->button->map[i] == key && |
916 | button_is_down(sd, i, BUTTON_PROCESSED1)) |
917 | return DONT_PROCESS1; |
918 | } |
919 | } |
920 | set_button_up(device, key, BUTTON_PROCESSED1); |
921 | if (!b->map[key]) |
922 | return DONT_PROCESS1; |
923 | |
924 | DecreaseButtonCount(device, key, &b->buttonsDown, &b->motionMask, |
925 | &b->state); |
926 | UpdateDeviceMotionMask(device, b->state, b->motionMask); |
927 | } |
928 | else if (event->type == ET_ProximityIn) |
929 | device->proximity->in_proximity = TRUE1; |
930 | else if (event->type == ET_ProximityOut) |
931 | device->proximity->in_proximity = FALSE0; |
932 | else if (event->type == ET_TouchBegin) { |
933 | BUG_RETURN_VAL(!b || !v, DONT_PROCESS)do { if (!b || !v) { do { if (!b || !v) { ErrorFSigSafe("BUG: triggered 'if (" "!b || !v" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "exevents.c" , 933, __func__); if (0) ErrorFSigSafe(((void*)0)); xorg_backtrace (); } } while(0); return (1); } } while(0); |
934 | BUG_RETURN_VAL(!t, DONT_PROCESS)do { if (!t) { do { if (!t) { ErrorFSigSafe("BUG: triggered 'if (" "!t" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "exevents.c" , 934, __func__); if (0) ErrorFSigSafe(((void*)0)); xorg_backtrace (); } } while(0); return (1); } } while(0); |
935 | |
936 | if (!b->map[key]) |
937 | return DONT_PROCESS1; |
938 | |
939 | if (!(event->flags & TOUCH_POINTER_EMULATED(1 << 5)) || |
940 | (event->flags & TOUCH_REPLAYING(1 << 4))) |
941 | return DONT_PROCESS1; |
942 | |
943 | IncreaseButtonCount(device, key, &t->buttonsDown, &t->motionMask, |
944 | &t->state); |
945 | UpdateDeviceMotionMask(device, t->state, DeviceButtonMotionMask); |
946 | } |
947 | else if (event->type == ET_TouchEnd) { |
948 | BUG_RETURN_VAL(!b || !v, DONT_PROCESS)do { if (!b || !v) { do { if (!b || !v) { ErrorFSigSafe("BUG: triggered 'if (" "!b || !v" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "exevents.c" , 948, __func__); if (0) ErrorFSigSafe(((void*)0)); xorg_backtrace (); } } while(0); return (1); } } while(0); |
949 | BUG_RETURN_VAL(!t, DONT_PROCESS)do { if (!t) { do { if (!t) { ErrorFSigSafe("BUG: triggered 'if (" "!t" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "exevents.c" , 949, __func__); if (0) ErrorFSigSafe(((void*)0)); xorg_backtrace (); } } while(0); return (1); } } while(0); |
950 | |
951 | if (t->buttonsDown <= 0 || !b->map[key]) |
952 | return DONT_PROCESS1; |
953 | |
954 | if (!(event->flags & TOUCH_POINTER_EMULATED(1 << 5))) |
955 | return DONT_PROCESS1; |
956 | |
957 | DecreaseButtonCount(device, key, &t->buttonsDown, &t->motionMask, |
958 | &t->state); |
959 | UpdateDeviceMotionMask(device, t->state, DeviceButtonMotionMask); |
960 | } |
961 | |
962 | return DEFAULT0; |
963 | } |
964 | |
965 | /** |
966 | * A client that does not have the TouchOwnership mask set may not receive a |
967 | * TouchBegin event if there is at least one grab active. |
968 | * |
969 | * @return TRUE if the client selected for ownership events on the given |
970 | * window for this device, FALSE otherwise |
971 | */ |
972 | static inline Bool |
973 | TouchClientWantsOwnershipEvents(ClientPtr client, DeviceIntPtr dev, |
974 | WindowPtr win) |
975 | { |
976 | InputClients *iclient; |
977 | |
978 | nt_list_for_each_entry(iclient, wOtherInputMasks(win)->inputClients, next)for (iclient = ((win)->optional ? (win)->optional->inputMasks : ((void*)0))->inputClients; iclient; iclient = (iclient) ->next) { |
979 | if (rClient(iclient)(clients[((int)((((iclient)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]) != client) |
980 | continue; |
981 | |
982 | return xi2mask_isset(iclient->xi2mask, dev, XI_TouchOwnership21); |
983 | } |
984 | |
985 | return FALSE0; |
986 | } |
987 | |
988 | static void |
989 | TouchSendOwnershipEvent(DeviceIntPtr dev, TouchPointInfoPtr ti, int reason, |
990 | XID resource) |
991 | { |
992 | int nev, i; |
993 | InternalEvent *tel = InitEventList(GetMaximumEventsNum()); |
994 | |
995 | nev = GetTouchOwnershipEvents(tel, dev, ti, reason, resource, 0); |
996 | for (i = 0; i < nev; i++) |
997 | mieqProcessDeviceEvent(dev, tel + i, NULL((void*)0)); |
998 | |
999 | FreeEventList(tel, GetMaximumEventsNum()); |
1000 | } |
1001 | |
1002 | /** |
1003 | * Attempts to deliver a touch event to the given client. |
1004 | */ |
1005 | static Bool |
1006 | DeliverOneTouchEvent(ClientPtr client, DeviceIntPtr dev, TouchPointInfoPtr ti, |
1007 | GrabPtr grab, WindowPtr win, InternalEvent *ev) |
1008 | { |
1009 | int err; |
1010 | xEvent *xi2; |
1011 | Mask filter; |
1012 | Window child = DeepestSpriteWin(&ti->sprite)->drawable.id; |
1013 | |
1014 | /* FIXME: owner event handling */ |
1015 | |
1016 | /* If the client does not have the ownership mask set and is not |
1017 | * the current owner of the touch, only pretend we delivered */ |
1018 | if (!grab && ti->num_grabs != 0 && |
1019 | !TouchClientWantsOwnershipEvents(client, dev, win)) |
1020 | return TRUE1; |
1021 | |
1022 | /* If we fail here, we're going to leave a client hanging. */ |
1023 | err = EventToXI2(ev, &xi2); |
1024 | if (err != Success0) |
1025 | FatalError("[Xi] %s: XI2 conversion failed in %s" |
1026 | " (%d)\n", dev->name, __func__, err); |
1027 | |
1028 | FixUpEventFromWindow(&ti->sprite, xi2, win, child, FALSE0); |
1029 | filter = GetEventFilter(dev, xi2); |
1030 | if (XaceHook(XACE_RECEIVE_ACCESS6, client, win, xi2, 1) != Success0) |
1031 | return FALSE0; |
1032 | err = TryClientEvents(client, dev, xi2, 1, filter, filter, NullGrab((GrabPtr)((void*)0))); |
Value stored to 'err' is never read | |
1033 | free(xi2); |
1034 | |
1035 | /* Returning the value from TryClientEvents isn't useful, since all our |
1036 | * resource-gone cleanups will update the delivery list anyway. */ |
1037 | return TRUE1; |
1038 | } |
1039 | |
1040 | static void |
1041 | ActivateEarlyAccept(DeviceIntPtr dev, TouchPointInfoPtr ti) |
1042 | { |
1043 | ClientPtr client; |
1044 | XID error; |
1045 | GrabPtr grab = ti->listeners[0].grab; |
1046 | |
1047 | BUG_RETURN(ti->listeners[0].type != LISTENER_GRAB &&do { if (ti->listeners[0].type != LISTENER_GRAB && ti->listeners[0].type != LISTENER_POINTER_GRAB) { do { if (ti->listeners[0].type != LISTENER_GRAB && ti-> listeners[0].type != LISTENER_POINTER_GRAB) { ErrorFSigSafe("BUG: triggered 'if (" "ti->listeners[0].type != LISTENER_GRAB && ti->listeners[0].type != LISTENER_POINTER_GRAB" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "exevents.c", 1048, __func__); if (0) ErrorFSigSafe(((void*)0)); xorg_backtrace (); } } while(0); return; } } while(0) |
1048 | ti->listeners[0].type != LISTENER_POINTER_GRAB)do { if (ti->listeners[0].type != LISTENER_GRAB && ti->listeners[0].type != LISTENER_POINTER_GRAB) { do { if (ti->listeners[0].type != LISTENER_GRAB && ti-> listeners[0].type != LISTENER_POINTER_GRAB) { ErrorFSigSafe("BUG: triggered 'if (" "ti->listeners[0].type != LISTENER_GRAB && ti->listeners[0].type != LISTENER_POINTER_GRAB" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "exevents.c", 1048, __func__); if (0) ErrorFSigSafe(((void*)0)); xorg_backtrace (); } } while(0); return; } } while(0); |
1049 | BUG_RETURN(!grab)do { if (!grab) { do { if (!grab) { ErrorFSigSafe("BUG: triggered 'if (" "!grab" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "exevents.c" , 1049, __func__); if (0) ErrorFSigSafe(((void*)0)); xorg_backtrace (); } } while(0); return; } } while(0); |
1050 | |
1051 | client = rClient(grab)(clients[((int)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]); |
1052 | |
1053 | if (TouchAcceptReject(client, dev, XIAcceptTouch6, ti->client_id, |
1054 | ti->listeners[0].window->drawable.id, &error) != Success0) |
1055 | ErrorF("[Xi] Failed to accept touch grab after early acceptance.\n"); |
1056 | } |
1057 | |
1058 | /** |
1059 | * Find the oldest touch that still has a pointer emulation client. |
1060 | * |
1061 | * Pointer emulation can only be performed for the oldest touch. Otherwise, the |
1062 | * order of events seen by the client will be wrong. This function helps us find |
1063 | * the next touch to be emulated. |
1064 | * |
1065 | * @param dev The device to find touches for. |
1066 | */ |
1067 | static TouchPointInfoPtr |
1068 | FindOldestPointerEmulatedTouch(DeviceIntPtr dev) |
1069 | { |
1070 | TouchPointInfoPtr oldest = NULL((void*)0); |
1071 | int i; |
1072 | |
1073 | for (i = 0; i < dev->touch->num_touches; i++) { |
1074 | TouchPointInfoPtr ti = dev->touch->touches + i; |
1075 | int j; |
1076 | |
1077 | if (!ti->active || !ti->emulate_pointer) |
1078 | continue; |
1079 | |
1080 | for (j = 0; j < ti->num_listeners; j++) { |
1081 | if (ti->listeners[j].type == LISTENER_POINTER_GRAB || |
1082 | ti->listeners[j].type == LISTENER_POINTER_REGULAR) |
1083 | break; |
1084 | } |
1085 | if (j == ti->num_listeners) |
1086 | continue; |
1087 | |
1088 | if (!oldest) { |
1089 | oldest = ti; |
1090 | continue; |
1091 | } |
1092 | |
1093 | if (oldest->client_id - ti->client_id < UINT_MAX(2147483647 *2U +1U) / 2) |
1094 | oldest = ti; |
1095 | } |
1096 | |
1097 | return oldest; |
1098 | } |
1099 | |
1100 | /** |
1101 | * If the current owner has rejected the event, deliver the |
1102 | * TouchOwnership/TouchBegin to the next item in the sprite stack. |
1103 | */ |
1104 | static void |
1105 | TouchPuntToNextOwner(DeviceIntPtr dev, TouchPointInfoPtr ti, |
1106 | TouchOwnershipEvent *ev) |
1107 | { |
1108 | TouchListener *listener = &ti->listeners[0]; /* new owner */ |
1109 | int accepted_early = listener->state == LISTENER_EARLY_ACCEPT; |
1110 | |
1111 | /* Deliver the ownership */ |
1112 | if (listener->state == LISTENER_AWAITING_OWNER || accepted_early) |
1113 | DeliverTouchEvents(dev, ti, (InternalEvent *) ev, |
1114 | listener->listener); |
1115 | else if (listener->state == LISTENER_AWAITING_BEGIN) { |
1116 | /* We can't punt to a pointer listener unless all older pointer |
1117 | * emulated touches have been seen already. */ |
1118 | if ((listener->type == LISTENER_POINTER_GRAB || |
1119 | listener->type == LISTENER_POINTER_REGULAR) && |
1120 | ti != FindOldestPointerEmulatedTouch(dev)) |
1121 | return; |
1122 | |
1123 | TouchEventHistoryReplay(ti, dev, listener->listener); |
1124 | } |
1125 | |
1126 | /* New owner has Begin/Update but not end. If touch is pending_finish, |
1127 | * emulate the TouchEnd now */ |
1128 | if (ti->pending_finish) { |
1129 | TouchEmitTouchEnd(dev, ti, 0, 0); |
1130 | |
1131 | /* If the last owner is not a touch grab, finalise the touch, we |
1132 | won't get more correspondence on this. |
1133 | */ |
1134 | if (ti->num_listeners == 1 && |
1135 | (ti->num_grabs == 0 || |
1136 | listener->grab->grabtype != XI2 || |
1137 | !xi2mask_isset(listener->grab->xi2mask, dev, XI_TouchBegin18))) { |
1138 | TouchEndTouch(dev, ti); |
1139 | return; |
1140 | } |
1141 | } |
1142 | |
1143 | if (accepted_early) |
1144 | ActivateEarlyAccept(dev, ti); |
1145 | } |
1146 | |
1147 | /** |
1148 | * Check the oldest touch to see if it needs to be replayed to its pointer |
1149 | * owner. |
1150 | * |
1151 | * Touch event propagation is paused if it hits a pointer listener while an |
1152 | * older touch with a pointer listener is waiting on accept or reject. This |
1153 | * function will restart propagation of a paused touch if needed. |
1154 | * |
1155 | * @param dev The device to check touches for. |
1156 | */ |
1157 | static void |
1158 | CheckOldestTouch(DeviceIntPtr dev) |
1159 | { |
1160 | TouchPointInfoPtr oldest = FindOldestPointerEmulatedTouch(dev); |
1161 | |
1162 | if (oldest && oldest->listeners[0].state == LISTENER_AWAITING_BEGIN) |
1163 | TouchPuntToNextOwner(dev, oldest, NULL((void*)0)); |
1164 | } |
1165 | |
1166 | /** |
1167 | * Process a touch rejection. |
1168 | * |
1169 | * @param sourcedev The source device of the touch sequence. |
1170 | * @param ti The touchpoint info record. |
1171 | * @param resource The resource of the client rejecting the touch. |
1172 | * @param ev TouchOwnership event to send. Set to NULL if no event should be |
1173 | * sent. |
1174 | */ |
1175 | void |
1176 | TouchRejected(DeviceIntPtr sourcedev, TouchPointInfoPtr ti, XID resource, |
1177 | TouchOwnershipEvent *ev) |
1178 | { |
1179 | Bool was_owner = (resource == ti->listeners[0].listener); |
1180 | int i; |
1181 | |
1182 | /* Send a TouchEnd event to the resource being removed, but only if they |
1183 | * haven't received one yet already */ |
1184 | for (i = 0; i < ti->num_listeners; i++) { |
1185 | if (ti->listeners[i].listener == resource) { |
1186 | if (ti->listeners[i].state != LISTENER_HAS_END) |
1187 | TouchEmitTouchEnd(sourcedev, ti, TOUCH_REJECT(1 << 1), resource); |
1188 | break; |
1189 | } |
1190 | } |
1191 | |
1192 | /* Remove the resource from the listener list, updating |
1193 | * ti->num_listeners, as well as ti->num_grabs if it was a grab. */ |
1194 | TouchRemoveListener(ti, resource); |
1195 | |
1196 | /* If the current owner was removed and there are further listeners, deliver |
1197 | * the TouchOwnership or TouchBegin event to the new owner. */ |
1198 | if (ev && ti->num_listeners > 0 && was_owner) |
1199 | TouchPuntToNextOwner(sourcedev, ti, ev); |
1200 | else if (ti->num_listeners == 0) |
1201 | TouchEndTouch(sourcedev, ti); |
1202 | |
1203 | CheckOldestTouch(sourcedev); |
1204 | } |
1205 | |
1206 | /** |
1207 | * Processes a TouchOwnership event, indicating a grab has accepted the touch |
1208 | * it currently owns, or a grab or selection has been removed. Will generate |
1209 | * and send TouchEnd events to all clients removed from the delivery list, as |
1210 | * well as possibly sending the new TouchOwnership event. May end the |
1211 | * touchpoint if it is pending finish. |
1212 | */ |
1213 | static void |
1214 | ProcessTouchOwnershipEvent(TouchOwnershipEvent *ev, |
1215 | DeviceIntPtr dev) |
1216 | { |
1217 | TouchPointInfoPtr ti = TouchFindByClientID(dev, ev->touchid); |
1218 | |
1219 | if (!ti) { |
1220 | DebugF("[Xi] %s: Failed to get event %d for touchpoint %d\n", |
1221 | dev->name, ev->type, ev->touchid); |
1222 | return; |
1223 | } |
1224 | |
1225 | if (ev->reason == XIRejectTouch7) |
1226 | TouchRejected(dev, ti, ev->resource, ev); |
1227 | else if (ev->reason == XIAcceptTouch6) { |
1228 | int i; |
1229 | |
1230 | |
1231 | /* For pointer-emulated listeners that ungrabbed the active grab, |
1232 | * the state was forced to LISTENER_HAS_END. Still go |
1233 | * through the motions of ending the touch if the listener has |
1234 | * already seen the end. This ensures that the touch record is ended in |
1235 | * the server. |
1236 | */ |
1237 | if (ti->listeners[0].state == LISTENER_HAS_END) |
1238 | TouchEmitTouchEnd(dev, ti, TOUCH_ACCEPT(1 << 0), ti->listeners[0].listener); |
1239 | |
1240 | /* The touch owner has accepted the touch. Send TouchEnd events to |
1241 | * everyone else, and truncate the list of listeners. */ |
1242 | for (i = 1; i < ti->num_listeners; i++) |
1243 | TouchEmitTouchEnd(dev, ti, TOUCH_ACCEPT(1 << 0), ti->listeners[i].listener); |
1244 | |
1245 | while (ti->num_listeners > 1) |
1246 | TouchRemoveListener(ti, ti->listeners[1].listener); |
1247 | /* Owner accepted after receiving end */ |
1248 | if (ti->listeners[0].state == LISTENER_HAS_END) |
1249 | TouchEndTouch(dev, ti); |
1250 | else |
1251 | ti->listeners[0].state = LISTENER_HAS_ACCEPTED; |
1252 | } |
1253 | else { /* this is the very first ownership event for a grab */ |
1254 | DeliverTouchEvents(dev, ti, (InternalEvent *) ev, ev->resource); |
1255 | } |
1256 | } |
1257 | |
1258 | /** |
1259 | * Copy the event's valuator information into the touchpoint, we may need |
1260 | * this for emulated TouchEnd events. |
1261 | */ |
1262 | static void |
1263 | TouchCopyValuatorData(DeviceEvent *ev, TouchPointInfoPtr ti) |
1264 | { |
1265 | int i; |
1266 | |
1267 | for (i = 0; i < ARRAY_SIZE(ev->valuators.data)(sizeof((ev->valuators.data)) / sizeof((ev->valuators.data )[0])); i++) |
1268 | if (BitIsOn(ev->valuators.mask, i)(!!(((const BYTE *) (ev->valuators.mask))[(i)>>3] & (1 << ((i) & 7))))) |
1269 | valuator_mask_set_double(ti->valuators, i, ev->valuators.data[i]); |
1270 | } |
1271 | |
1272 | /** |
1273 | * Given a touch event and a potential listener, retrieve info needed for |
1274 | * processing the event. |
1275 | * |
1276 | * @param dev The device generating the touch event. |
1277 | * @param ti The touch point info record for the touch event. |
1278 | * @param ev The touch event to process. |
1279 | * @param listener The touch event listener that may receive the touch event. |
1280 | * @param[out] client The client that should receive the touch event. |
1281 | * @param[out] win The window to deliver the event on. |
1282 | * @param[out] grab The grab to deliver the event through, if any. |
1283 | * @param[out] mask The XI 2.x event mask of the grab or selection, if any. |
1284 | * @return TRUE if an event should be delivered to the listener, FALSE |
1285 | * otherwise. |
1286 | */ |
1287 | static Bool |
1288 | RetrieveTouchDeliveryData(DeviceIntPtr dev, TouchPointInfoPtr ti, |
1289 | InternalEvent *ev, TouchListener * listener, |
1290 | ClientPtr *client, WindowPtr *win, GrabPtr *grab, |
1291 | XI2Mask **mask) |
1292 | { |
1293 | int rc; |
1294 | InputClients *iclients = NULL((void*)0); |
1295 | *mask = NULL((void*)0); |
1296 | |
1297 | if (listener->type == LISTENER_GRAB || |
1298 | listener->type == LISTENER_POINTER_GRAB) { |
1299 | |
1300 | *grab = listener->grab; |
1301 | |
1302 | BUG_RETURN_VAL(!*grab, FALSE)do { if (!*grab) { do { if (!*grab) { ErrorFSigSafe("BUG: triggered 'if (" "!*grab" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "exevents.c" , 1302, __func__); if (0) ErrorFSigSafe(((void*)0)); xorg_backtrace (); } } while(0); return (0); } } while(0); |
1303 | |
1304 | *client = rClient(*grab)(clients[((int)((((*grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]); |
1305 | *win = (*grab)->window; |
1306 | *mask = (*grab)->xi2mask; |
1307 | } |
1308 | else { |
1309 | rc = dixLookupResourceByType((void **) win, listener->listener, |
1310 | listener->resource_type, |
1311 | serverClient, DixSendAccess(1<<22)); |
1312 | if (rc != Success0) |
1313 | return FALSE0; |
1314 | |
1315 | if (listener->level == XI2) { |
1316 | int evtype; |
1317 | |
1318 | if (ti->emulate_pointer && |
1319 | listener->type == LISTENER_POINTER_REGULAR) |
1320 | evtype = GetXI2Type(TouchGetPointerEventType(ev)); |
1321 | else |
1322 | evtype = GetXI2Type(ev->any.type); |
1323 | |
1324 | nt_list_for_each_entry(iclients,for (iclients = ((*win)->optional ? (*win)->optional-> inputMasks : ((void*)0))->inputClients; iclients; iclients = (iclients)->next) |
1325 | wOtherInputMasks(*win)->inputClients, next)for (iclients = ((*win)->optional ? (*win)->optional-> inputMasks : ((void*)0))->inputClients; iclients; iclients = (iclients)->next) |
1326 | if (xi2mask_isset(iclients->xi2mask, dev, evtype)) |
1327 | break; |
1328 | |
1329 | BUG_RETURN_VAL(!iclients, FALSE)do { if (!iclients) { do { if (!iclients) { ErrorFSigSafe("BUG: triggered 'if (" "!iclients" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "exevents.c" , 1329, __func__); if (0) ErrorFSigSafe(((void*)0)); xorg_backtrace (); } } while(0); return (0); } } while(0); |
1330 | |
1331 | *mask = iclients->xi2mask; |
1332 | *client = rClient(iclients)(clients[((int)((((iclients)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]); |
1333 | } |
1334 | else if (listener->level == XI) { |
1335 | int xi_type = GetXIType(TouchGetPointerEventType(ev)); |
1336 | Mask xi_filter = event_get_filter_from_type(dev, xi_type); |
1337 | |
1338 | nt_list_for_each_entry(iclients,for (iclients = ((*win)->optional ? (*win)->optional-> inputMasks : ((void*)0))->inputClients; iclients; iclients = (iclients)->next) |
1339 | wOtherInputMasks(*win)->inputClients, next)for (iclients = ((*win)->optional ? (*win)->optional-> inputMasks : ((void*)0))->inputClients; iclients; iclients = (iclients)->next) |
1340 | if (iclients->mask[dev->id] & xi_filter) |
1341 | break; |
1342 | BUG_RETURN_VAL(!iclients, FALSE)do { if (!iclients) { do { if (!iclients) { ErrorFSigSafe("BUG: triggered 'if (" "!iclients" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "exevents.c" , 1342, __func__); if (0) ErrorFSigSafe(((void*)0)); xorg_backtrace (); } } while(0); return (0); } } while(0); |
1343 | |
1344 | *client = rClient(iclients)(clients[((int)((((iclients)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]); |
1345 | } |
1346 | else { |
1347 | int coretype = GetCoreType(TouchGetPointerEventType(ev)); |
1348 | Mask core_filter = event_get_filter_from_type(dev, coretype); |
1349 | OtherClients *oclients; |
1350 | |
1351 | /* all others */ |
1352 | nt_list_for_each_entry(oclients,for (oclients = (OtherClients *) ((*win)->optional ? (*win )->optional->otherClients : ((void*)0)); oclients; oclients = (oclients)->next) |
1353 | (OtherClients *) wOtherClients(*win), next)for (oclients = (OtherClients *) ((*win)->optional ? (*win )->optional->otherClients : ((void*)0)); oclients; oclients = (oclients)->next) |
1354 | if (oclients->mask & core_filter) |
1355 | break; |
1356 | |
1357 | /* if owner selected, oclients is NULL */ |
1358 | *client = oclients ? rClient(oclients)(clients[((int)((((oclients)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]) : wClient(*win)(clients[((int)((((*win)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]); |
1359 | } |
1360 | |
1361 | *grab = NULL((void*)0); |
1362 | } |
1363 | |
1364 | return TRUE1; |
1365 | } |
1366 | |
1367 | static int |
1368 | DeliverTouchEmulatedEvent(DeviceIntPtr dev, TouchPointInfoPtr ti, |
1369 | InternalEvent *ev, TouchListener * listener, |
1370 | ClientPtr client, WindowPtr win, GrabPtr grab, |
1371 | XI2Mask *xi2mask) |
1372 | { |
1373 | InternalEvent motion, button; |
1374 | InternalEvent *ptrev = &motion; |
1375 | int nevents; |
1376 | DeviceIntPtr kbd; |
1377 | |
1378 | /* We don't deliver pointer events to non-owners */ |
1379 | if (!TouchResourceIsOwner(ti, listener->listener)) |
1380 | return !Success0; |
1381 | |
1382 | if (!ti->emulate_pointer) |
1383 | return !Success0; |
1384 | |
1385 | nevents = TouchConvertToPointerEvent(ev, &motion, &button); |
1386 | BUG_RETURN_VAL(nevents == 0, BadValue)do { if (nevents == 0) { do { if (nevents == 0) { ErrorFSigSafe ("BUG: triggered 'if (" "nevents == 0" ")'\n"); ErrorFSigSafe ("BUG: %s:%u in %s()\n", "exevents.c", 1386, __func__); if (0 ) ErrorFSigSafe(((void*)0)); xorg_backtrace(); } } while(0); return (2); } } while(0); |
1387 | |
1388 | if (nevents > 1) |
1389 | ptrev = &button; |
1390 | |
1391 | kbd = GetMaster(dev, KEYBOARD_OR_FLOAT5); |
1392 | event_set_state(dev, kbd, &ptrev->device_event); |
1393 | ptrev->device_event.corestate = event_get_corestate(dev, kbd); |
1394 | |
1395 | if (grab) { |
1396 | /* this side-steps the usual activation mechanisms, but... */ |
1397 | if (ev->any.type == ET_TouchBegin && !dev->deviceGrab.grab) |
1398 | ActivatePassiveGrab(dev, grab, ptrev, ev); /* also delivers the event */ |
1399 | else { |
1400 | int deliveries = 0; |
1401 | |
1402 | /* 'grab' is the passive grab, but if the grab isn't active, |
1403 | * don't deliver */ |
1404 | if (!dev->deviceGrab.grab) |
1405 | return !Success0; |
1406 | |
1407 | if (grab->ownerEvents) { |
1408 | WindowPtr focus = NullWindow((WindowPtr) 0); |
1409 | WindowPtr sprite_win = DeepestSpriteWin(dev->spriteInfo->sprite); |
1410 | |
1411 | deliveries = DeliverDeviceEvents(sprite_win, ptrev, grab, focus, dev); |
1412 | } |
1413 | |
1414 | if (!deliveries) |
1415 | deliveries = DeliverOneGrabbedEvent(ptrev, dev, grab->grabtype); |
1416 | |
1417 | /* We must accept the touch sequence once a pointer listener has |
1418 | * received one event past ButtonPress. */ |
1419 | if (deliveries && ev->any.type != ET_TouchBegin && |
1420 | !(ev->device_event.flags & TOUCH_CLIENT_ID(1 << 3))) |
1421 | TouchListenerAcceptReject(dev, ti, 0, XIAcceptTouch6); |
1422 | |
1423 | if (ev->any.type == ET_TouchEnd && |
1424 | ti->num_listeners == 1 && |
1425 | !dev->button->buttonsDown && |
1426 | dev->deviceGrab.fromPassiveGrab && GrabIsPointerGrab(grab)) { |
1427 | (*dev->deviceGrab.DeactivateGrab) (dev); |
1428 | CheckOldestTouch(dev); |
1429 | return Success0; |
1430 | } |
1431 | } |
1432 | } |
1433 | else { |
1434 | GrabPtr devgrab = dev->deviceGrab.grab; |
1435 | WindowPtr sprite_win = DeepestSpriteWin(dev->spriteInfo->sprite); |
1436 | |
1437 | DeliverDeviceEvents(sprite_win, ptrev, grab, win, dev); |
1438 | /* FIXME: bad hack |
1439 | * Implicit passive grab activated in response to this event. Store |
1440 | * the event. |
1441 | */ |
1442 | if (!devgrab && dev->deviceGrab.grab && dev->deviceGrab.implicitGrab) { |
1443 | TouchListener *l; |
1444 | GrabPtr g; |
1445 | |
1446 | devgrab = dev->deviceGrab.grab; |
1447 | g = AllocGrab(devgrab); |
1448 | BUG_WARN(!g)do { if (!g) { ErrorFSigSafe("BUG: triggered 'if (" "!g" ")'\n" ); ErrorFSigSafe("BUG: %s:%u in %s()\n", "exevents.c", 1448, __func__ ); if (0) ErrorFSigSafe(((void*)0)); xorg_backtrace(); } } while (0); |
1449 | |
1450 | *dev->deviceGrab.sync.event = ev->device_event; |
1451 | |
1452 | /* The listener array has a sequence of grabs and then one event |
1453 | * selection. Implicit grab activation occurs through delivering an |
1454 | * event selection. Thus, we update the last listener in the array. |
1455 | */ |
1456 | l = &ti->listeners[ti->num_listeners - 1]; |
1457 | l->listener = g->resource; |
1458 | l->grab = g; |
1459 | //l->resource_type = RT_NONE; |
1460 | |
1461 | if (devgrab->grabtype != XI2 || devgrab->type != XI_TouchBegin18) |
1462 | l->type = LISTENER_POINTER_GRAB; |
1463 | else |
1464 | l->type = LISTENER_GRAB; |
1465 | } |
1466 | |
1467 | } |
1468 | if (ev->any.type == ET_TouchBegin) |
1469 | listener->state = LISTENER_IS_OWNER; |
1470 | else if (ev->any.type == ET_TouchEnd) |
1471 | listener->state = LISTENER_HAS_END; |
1472 | |
1473 | return Success0; |
1474 | } |
1475 | |
1476 | static void |
1477 | DeliverEmulatedMotionEvent(DeviceIntPtr dev, TouchPointInfoPtr ti, |
1478 | InternalEvent *ev) |
1479 | { |
1480 | DeviceEvent motion; |
1481 | |
1482 | if (ti->num_listeners) { |
1483 | ClientPtr client; |
1484 | WindowPtr win; |
1485 | GrabPtr grab; |
1486 | XI2Mask *mask; |
1487 | |
1488 | if (ti->listeners[0].type != LISTENER_POINTER_REGULAR && |
1489 | ti->listeners[0].type != LISTENER_POINTER_GRAB) |
1490 | return; |
1491 | |
1492 | motion = ev->device_event; |
1493 | motion.type = ET_TouchUpdate; |
1494 | motion.detail.button = 0; |
1495 | |
1496 | if (!RetrieveTouchDeliveryData(dev, ti, (InternalEvent*)&motion, |
1497 | &ti->listeners[0], &client, &win, &grab, |
1498 | &mask)) |
1499 | return; |
1500 | |
1501 | /* There may be a pointer grab on the device */ |
1502 | if (!grab) { |
1503 | grab = dev->deviceGrab.grab; |
1504 | if (grab) { |
1505 | win = grab->window; |
1506 | mask = grab->xi2mask; |
1507 | client = rClient(grab)(clients[((int)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]); |
1508 | } |
1509 | } |
1510 | |
1511 | DeliverTouchEmulatedEvent(dev, ti, (InternalEvent*)&motion, &ti->listeners[0], client, |
1512 | win, grab, mask); |
1513 | } |
1514 | else { |
1515 | InternalEvent button; |
1516 | int converted; |
1517 | |
1518 | converted = TouchConvertToPointerEvent(ev, (InternalEvent*)&motion, &button); |
1519 | |
1520 | BUG_WARN(converted == 0)do { if (converted == 0) { ErrorFSigSafe("BUG: triggered 'if (" "converted == 0" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n" , "exevents.c", 1520, __func__); if (0) ErrorFSigSafe(((void* )0)); xorg_backtrace(); } } while(0); |
1521 | if (converted) |
1522 | ProcessOtherEvent((InternalEvent*)&motion, dev); |
1523 | } |
1524 | } |
1525 | |
1526 | /** |
1527 | * Processes and delivers a TouchBegin, TouchUpdate, or a |
1528 | * TouchEnd event. |
1529 | * |
1530 | * Due to having rather different delivery semantics (see the Xi 2.2 protocol |
1531 | * spec for more information), this implements its own grab and event-selection |
1532 | * delivery logic. |
1533 | */ |
1534 | static void |
1535 | ProcessTouchEvent(InternalEvent *ev, DeviceIntPtr dev) |
1536 | { |
1537 | TouchClassPtr t = dev->touch; |
1538 | TouchPointInfoPtr ti; |
1539 | uint32_t touchid; |
1540 | int type = ev->any.type; |
1541 | int emulate_pointer = ! !(ev->device_event.flags & TOUCH_POINTER_EMULATED(1 << 5)); |
1542 | DeviceIntPtr kbd; |
1543 | |
1544 | if (!t) |
1545 | return; |
1546 | |
1547 | touchid = ev->device_event.touchid; |
1548 | |
1549 | if (type == ET_TouchBegin && !(ev->device_event.flags & TOUCH_REPLAYING(1 << 4))) { |
1550 | ti = TouchBeginTouch(dev, ev->device_event.sourceid, touchid, |
1551 | emulate_pointer); |
1552 | } |
1553 | else |
1554 | ti = TouchFindByClientID(dev, touchid); |
1555 | |
1556 | /* Active pointer grab */ |
1557 | if (emulate_pointer && dev->deviceGrab.grab && !dev->deviceGrab.fromPassiveGrab && |
1558 | (dev->deviceGrab.grab->grabtype == CORE || |
1559 | dev->deviceGrab.grab->grabtype == XI || |
1560 | !xi2mask_isset(dev->deviceGrab.grab->xi2mask, dev, XI_TouchBegin18))) |
1561 | { |
1562 | /* Active pointer grab on touch point and we get a TouchEnd - claim this |
1563 | * touchpoint accepted, otherwise clients waiting for ownership will |
1564 | * wait on this touchpoint until this client ungrabs, or the cows come |
1565 | * home, whichever is earlier */ |
1566 | if (ti && type == ET_TouchEnd) |
1567 | TouchListenerAcceptReject(dev, ti, 0, XIAcceptTouch6); |
1568 | else if (!ti && type != ET_TouchBegin) { |
1569 | /* Under the following circumstances we create a new touch record for an |
1570 | * existing touch: |
1571 | * |
1572 | * - The touch may be pointer emulated |
1573 | * - An explicit grab is active on the device |
1574 | * - The grab is a pointer grab |
1575 | * |
1576 | * This allows for an explicit grab to receive pointer events for an already |
1577 | * active touch. |
1578 | */ |
1579 | ti = TouchBeginTouch(dev, ev->device_event.sourceid, touchid, |
1580 | emulate_pointer); |
1581 | if (!ti) { |
1582 | DebugF("[Xi] %s: Failed to create new dix record for explicitly " |
1583 | "grabbed touchpoint %d\n", |
1584 | dev->name, touchid); |
1585 | return; |
1586 | } |
1587 | |
1588 | TouchBuildSprite(dev, ti, ev); |
1589 | TouchSetupListeners(dev, ti, ev); |
1590 | } |
1591 | } |
1592 | |
1593 | if (!ti) { |
1594 | DebugF("[Xi] %s: Failed to get event %d for touchpoint %d\n", |
1595 | dev->name, type, touchid); |
1596 | goto out; |
1597 | } |
1598 | |
1599 | /* if emulate_pointer is set, emulate the motion event right |
1600 | * here, so we can ignore it for button event emulation. TouchUpdate |
1601 | * events which _only_ emulate motion just work normally */ |
1602 | if (emulate_pointer && ev->any.type != ET_TouchUpdate) |
1603 | DeliverEmulatedMotionEvent(dev, ti, ev); |
1604 | |
1605 | if (emulate_pointer && IsMaster(dev)) |
1606 | CheckMotion(&ev->device_event, dev); |
1607 | |
1608 | kbd = GetMaster(dev, KEYBOARD_OR_FLOAT5); |
1609 | event_set_state(NULL((void*)0), kbd, &ev->device_event); |
1610 | ev->device_event.corestate = event_get_corestate(NULL((void*)0), kbd); |
1611 | |
1612 | /* Make sure we have a valid window trace for event delivery; must be |
1613 | * called after event type mutation. Touch end events are always processed |
1614 | * in order to end touch records. */ |
1615 | /* FIXME: check this */ |
1616 | if ((type == ET_TouchBegin && |
1617 | !(ev->device_event.flags & TOUCH_REPLAYING(1 << 4)) && |
1618 | !TouchBuildSprite(dev, ti, ev)) || |
1619 | (type != ET_TouchEnd && ti->sprite.spriteTraceGood == 0)) |
1620 | return; |
1621 | |
1622 | TouchCopyValuatorData(&ev->device_event, ti); |
1623 | /* WARNING: the event type may change to TouchUpdate in |
1624 | * DeliverTouchEvents if a TouchEnd was delivered to a grabbing |
1625 | * owner */ |
1626 | DeliverTouchEvents(dev, ti, ev, ev->device_event.resource); |
1627 | if (ev->any.type == ET_TouchEnd) |
1628 | TouchEndTouch(dev, ti); |
1629 | |
1630 | out: |
1631 | if (emulate_pointer) |
1632 | UpdateDeviceState(dev, &ev->device_event); |
1633 | } |
1634 | |
1635 | static void |
1636 | ProcessBarrierEvent(InternalEvent *e, DeviceIntPtr dev) |
1637 | { |
1638 | Mask filter; |
1639 | WindowPtr pWin; |
1640 | BarrierEvent *be = &e->barrier_event; |
1641 | xEvent *ev; |
1642 | int rc; |
1643 | GrabPtr grab = dev->deviceGrab.grab; |
1644 | |
1645 | if (!IsMaster(dev)) |
1646 | return; |
1647 | |
1648 | if (dixLookupWindow(&pWin, be->window, serverClient, DixReadAccess(1<<0)) != Success0) |
1649 | return; |
1650 | |
1651 | if (grab) |
1652 | be->flags |= XIBarrierDeviceIsGrabbed(1 << 1); |
1653 | |
1654 | rc = EventToXI2(e, &ev); |
1655 | if (rc != Success0) { |
1656 | ErrorF("[Xi] event conversion from %s failed with code %d\n", __func__, rc); |
1657 | return; |
1658 | } |
1659 | |
1660 | /* A client has a grab, deliver to this client if the grab_window is the |
1661 | barrier window. |
1662 | |
1663 | Otherwise, deliver normally to the client. |
1664 | */ |
1665 | if (grab && |
1666 | CLIENT_ID(be->barrierid)((int)(((be->barrierid) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits()))) == CLIENT_ID(grab->resource)((int)(((grab->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits()))) && |
1667 | grab->window->drawable.id == be->window) { |
1668 | DeliverGrabbedEvent(e, dev, FALSE0); |
1669 | } else { |
1670 | filter = GetEventFilter(dev, ev); |
1671 | |
1672 | DeliverEventsToWindow(dev, pWin, ev, 1, |
1673 | filter, NullGrab((GrabPtr)((void*)0))); |
1674 | } |
1675 | free(ev); |
1676 | } |
1677 | |
1678 | /** |
1679 | * Process DeviceEvents and DeviceChangedEvents. |
1680 | */ |
1681 | static void |
1682 | ProcessDeviceEvent(InternalEvent *ev, DeviceIntPtr device) |
1683 | { |
1684 | GrabPtr grab; |
1685 | Bool deactivateDeviceGrab = FALSE0; |
1686 | int key = 0, rootX, rootY; |
1687 | ButtonClassPtr b; |
1688 | int ret = 0; |
1689 | int corestate; |
1690 | DeviceIntPtr mouse = NULL((void*)0), kbd = NULL((void*)0); |
1691 | DeviceEvent *event = &ev->device_event; |
1692 | |
1693 | if (IsPointerDevice(device)) { |
1694 | kbd = GetMaster(device, KEYBOARD_OR_FLOAT5); |
1695 | mouse = device; |
1696 | if (!kbd->key) /* can happen with floating SDs */ |
1697 | kbd = NULL((void*)0); |
1698 | } |
1699 | else { |
1700 | mouse = GetMaster(device, POINTER_OR_FLOAT6); |
1701 | kbd = device; |
1702 | if (!mouse->valuator || !mouse->button) /* may be float. SDs */ |
1703 | mouse = NULL((void*)0); |
1704 | } |
1705 | |
1706 | corestate = event_get_corestate(mouse, kbd); |
1707 | event_set_state(mouse, kbd, event); |
1708 | |
1709 | ret = UpdateDeviceState(device, event); |
1710 | if (ret == DONT_PROCESS1) |
1711 | return; |
1712 | |
1713 | b = device->button; |
1714 | |
1715 | if (IsMaster(device) || IsFloating(device)) |
1716 | CheckMotion(event, device); |
1717 | |
1718 | switch (event->type) { |
1719 | case ET_Motion: |
1720 | case ET_ButtonPress: |
1721 | case ET_ButtonRelease: |
1722 | case ET_KeyPress: |
1723 | case ET_KeyRelease: |
1724 | case ET_ProximityIn: |
1725 | case ET_ProximityOut: |
1726 | GetSpritePosition(device, &rootX, &rootY); |
1727 | event->root_x = rootX; |
1728 | event->root_y = rootY; |
1729 | NoticeEventTime((InternalEvent *) event, device); |
1730 | event->corestate = corestate; |
1731 | key = event->detail.key; |
1732 | break; |
1733 | default: |
1734 | break; |
1735 | } |
1736 | |
1737 | /* send KeyPress and KeyRelease events to XACE plugins */ |
1738 | if (XaceHookIsSet(XACE_KEY_AVAIL14) && |
1739 | (event->type == ET_KeyPress || event->type == ET_KeyRelease)) { |
1740 | xEvent *core; |
1741 | int count; |
1742 | |
1743 | if (EventToCore(ev, &core, &count) == Success0 && count > 0) { |
1744 | XaceHook(XACE_KEY_AVAIL14, core, device, 0); |
1745 | free(core); |
1746 | } |
1747 | } |
1748 | |
1749 | if (DeviceEventCallback && !syncEvents.playingEvents) { |
1750 | DeviceEventInfoRec eventinfo; |
1751 | SpritePtr pSprite = device->spriteInfo->sprite; |
1752 | |
1753 | /* see comment in EnqueueEvents regarding the next three lines */ |
1754 | if (ev->any.type == ET_Motion) |
1755 | ev->device_event.root = pSprite->hotPhys.pScreen->root->drawable.id; |
1756 | |
1757 | eventinfo.device = device; |
1758 | eventinfo.event = ev; |
1759 | CallCallbacks(&DeviceEventCallback, (void *) &eventinfo); |
1760 | } |
1761 | |
1762 | grab = device->deviceGrab.grab; |
1763 | |
1764 | switch (event->type) { |
1765 | case ET_KeyPress: |
1766 | /* Don't deliver focus events (e.g. from KeymapNotify when running |
1767 | * nested) to clients. */ |
1768 | if (event->source_type == EVENT_SOURCE_FOCUS) |
1769 | return; |
1770 | if (!grab && CheckDeviceGrabs(device, event, 0)) |
1771 | return; |
1772 | break; |
1773 | case ET_KeyRelease: |
1774 | if (grab && device->deviceGrab.fromPassiveGrab && |
1775 | (key == device->deviceGrab.activatingKey) && |
1776 | GrabIsKeyboardGrab(device->deviceGrab.grab)) |
1777 | deactivateDeviceGrab = TRUE1; |
1778 | break; |
1779 | case ET_ButtonPress: |
1780 | if (b->map[key] == 0) /* there's no button 0 */ |
1781 | return; |
1782 | event->detail.button = b->map[key]; |
1783 | if (!grab && CheckDeviceGrabs(device, event, 0)) { |
1784 | /* if a passive grab was activated, the event has been sent |
1785 | * already */ |
1786 | return; |
1787 | } |
1788 | break; |
1789 | case ET_ButtonRelease: |
1790 | if (b->map[key] == 0) /* there's no button 0 */ |
1791 | return; |
1792 | event->detail.button = b->map[key]; |
1793 | if (grab && !b->buttonsDown && |
1794 | device->deviceGrab.fromPassiveGrab && |
1795 | GrabIsPointerGrab(device->deviceGrab.grab)) |
1796 | deactivateDeviceGrab = TRUE1; |
1797 | default: |
1798 | break; |
1799 | } |
1800 | |
1801 | if (grab) |
1802 | DeliverGrabbedEvent((InternalEvent *) event, device, |
1803 | deactivateDeviceGrab); |
1804 | else if (device->focus && !IsPointerEvent(ev)) |
1805 | DeliverFocusedEvent(device, (InternalEvent *) event, |
1806 | GetSpriteWindow(device)); |
1807 | else |
1808 | DeliverDeviceEvents(GetSpriteWindow(device), (InternalEvent *) event, |
1809 | NullGrab((GrabPtr)((void*)0)), NullWindow((WindowPtr) 0), device); |
1810 | |
1811 | if (deactivateDeviceGrab == TRUE1) { |
1812 | (*device->deviceGrab.DeactivateGrab) (device); |
1813 | |
1814 | if (!IsMaster (device) && !IsFloating (device)) { |
1815 | int flags, num_events = 0; |
1816 | InternalEvent dce; |
1817 | |
1818 | flags = (IsPointerDevice (device)) ? |
1819 | DEVCHANGE_POINTER_EVENT0x4 : DEVCHANGE_KEYBOARD_EVENT0x8; |
1820 | UpdateFromMaster (&dce, device, flags, &num_events); |
1821 | BUG_WARN(num_events > 1)do { if (num_events > 1) { ErrorFSigSafe("BUG: triggered 'if (" "num_events > 1" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n" , "exevents.c", 1821, __func__); if (0) ErrorFSigSafe(((void* )0)); xorg_backtrace(); } } while(0); |
1822 | |
1823 | if (num_events == 1) |
1824 | ChangeMasterDeviceClasses(GetMaster (device, MASTER_ATTACHED4), |
1825 | &dce.changed_event); |
1826 | } |
1827 | |
1828 | } |
1829 | |
1830 | event->detail.key = key; |
1831 | } |
1832 | |
1833 | /** |
1834 | * Main device event processing function. |
1835 | * Called from when processing the events from the event queue. |
1836 | * |
1837 | */ |
1838 | void |
1839 | ProcessOtherEvent(InternalEvent *ev, DeviceIntPtr device) |
1840 | { |
1841 | verify_internal_event(ev); |
1842 | |
1843 | switch (ev->any.type) { |
1844 | case ET_RawKeyPress: |
1845 | case ET_RawKeyRelease: |
1846 | case ET_RawButtonPress: |
1847 | case ET_RawButtonRelease: |
1848 | case ET_RawMotion: |
1849 | case ET_RawTouchBegin: |
1850 | case ET_RawTouchUpdate: |
1851 | case ET_RawTouchEnd: |
1852 | DeliverRawEvent(&ev->raw_event, device); |
1853 | break; |
1854 | case ET_TouchBegin: |
1855 | case ET_TouchUpdate: |
1856 | case ET_TouchEnd: |
1857 | ProcessTouchEvent(ev, device); |
1858 | break; |
1859 | case ET_TouchOwnership: |
1860 | /* TouchOwnership events are handled separately from the rest, as they |
1861 | * have more complex semantics. */ |
1862 | ProcessTouchOwnershipEvent(&ev->touch_ownership_event, device); |
1863 | break; |
1864 | case ET_BarrierHit: |
1865 | case ET_BarrierLeave: |
1866 | ProcessBarrierEvent(ev, device); |
1867 | break; |
1868 | default: |
1869 | ProcessDeviceEvent(ev, device); |
1870 | break; |
1871 | } |
1872 | } |
1873 | |
1874 | static int |
1875 | DeliverTouchBeginEvent(DeviceIntPtr dev, TouchPointInfoPtr ti, |
1876 | InternalEvent *ev, TouchListener * listener, |
1877 | ClientPtr client, WindowPtr win, GrabPtr grab, |
1878 | XI2Mask *xi2mask) |
1879 | { |
1880 | enum TouchListenerState state; |
1881 | int rc = Success0; |
1882 | Bool has_ownershipmask; |
1883 | |
1884 | if (listener->type == LISTENER_POINTER_REGULAR || |
1885 | listener->type == LISTENER_POINTER_GRAB) { |
1886 | rc = DeliverTouchEmulatedEvent(dev, ti, ev, listener, client, win, |
1887 | grab, xi2mask); |
1888 | if (rc == Success0) { |
1889 | listener->state = LISTENER_IS_OWNER; |
1890 | /* async grabs cannot replay, so automatically accept this touch */ |
1891 | if (listener->type == LISTENER_POINTER_GRAB && |
1892 | dev->deviceGrab.grab && |
1893 | dev->deviceGrab.fromPassiveGrab && |
1894 | dev->deviceGrab.grab->pointerMode == GrabModeAsync1) |
1895 | ActivateEarlyAccept(dev, ti); |
1896 | } |
1897 | goto out; |
1898 | } |
1899 | |
1900 | has_ownershipmask = xi2mask_isset(xi2mask, dev, XI_TouchOwnership21); |
1901 | |
1902 | if (TouchResourceIsOwner(ti, listener->listener) || has_ownershipmask) |
1903 | rc = DeliverOneTouchEvent(client, dev, ti, grab, win, ev); |
1904 | if (!TouchResourceIsOwner(ti, listener->listener)) { |
1905 | if (has_ownershipmask) |
1906 | state = LISTENER_AWAITING_OWNER; |
1907 | else |
1908 | state = LISTENER_AWAITING_BEGIN; |
1909 | } |
1910 | else { |
1911 | if (has_ownershipmask) |
1912 | TouchSendOwnershipEvent(dev, ti, 0, listener->listener); |
1913 | |
1914 | if (listener->type == LISTENER_REGULAR) |
1915 | state = LISTENER_HAS_ACCEPTED; |
1916 | else |
1917 | state = LISTENER_IS_OWNER; |
1918 | } |
1919 | listener->state = state; |
1920 | |
1921 | out: |
1922 | return rc; |
1923 | } |
1924 | |
1925 | static int |
1926 | DeliverTouchEndEvent(DeviceIntPtr dev, TouchPointInfoPtr ti, InternalEvent *ev, |
1927 | TouchListener * listener, ClientPtr client, |
1928 | WindowPtr win, GrabPtr grab, XI2Mask *xi2mask) |
1929 | { |
1930 | int rc = Success0; |
1931 | |
1932 | if (listener->type == LISTENER_POINTER_REGULAR || |
1933 | listener->type == LISTENER_POINTER_GRAB) { |
1934 | /* Note: If the active grab was ungrabbed, we already changed the |
1935 | * state to LISTENER_HAS_END but still get here. So we mustn't |
1936 | * actually send the event. |
1937 | * This is part two of the hack in DeactivatePointerGrab |
1938 | */ |
1939 | if (listener->state != LISTENER_HAS_END) { |
1940 | rc = DeliverTouchEmulatedEvent(dev, ti, ev, listener, client, win, |
1941 | grab, xi2mask); |
1942 | |
1943 | /* Once we send a TouchEnd to a legacy listener, we're already well |
1944 | * past the accepting/rejecting stage (can only happen on |
1945 | * GrabModeSync + replay. This listener now gets the end event, |
1946 | * and we can continue. |
1947 | */ |
1948 | if (rc == Success0) |
1949 | listener->state = LISTENER_HAS_END; |
1950 | } |
1951 | goto out; |
1952 | } |
1953 | |
1954 | /* A client is waiting for the begin, don't give it a TouchEnd */ |
1955 | if (listener->state == LISTENER_AWAITING_BEGIN) { |
1956 | listener->state = LISTENER_HAS_END; |
1957 | goto out; |
1958 | } |
1959 | |
1960 | /* Event in response to reject */ |
1961 | if (ev->device_event.flags & TOUCH_REJECT(1 << 1) || |
1962 | (ev->device_event.flags & TOUCH_ACCEPT(1 << 0) && !TouchResourceIsOwner(ti, listener->listener))) { |
1963 | /* Touch has been rejected, or accepted by its owner which is not this listener */ |
1964 | if (listener->state != LISTENER_HAS_END) |
1965 | rc = DeliverOneTouchEvent(client, dev, ti, grab, win, ev); |
1966 | listener->state = LISTENER_HAS_END; |
1967 | } |
1968 | else if (TouchResourceIsOwner(ti, listener->listener)) { |
1969 | Bool normal_end = !(ev->device_event.flags & TOUCH_ACCEPT(1 << 0)); |
1970 | |
1971 | /* FIXME: what about early acceptance */ |
1972 | if (normal_end && listener->state != LISTENER_HAS_END) |
1973 | rc = DeliverOneTouchEvent(client, dev, ti, grab, win, ev); |
1974 | |
1975 | if ((ti->num_listeners > 1 || |
1976 | (ti->num_grabs > 0 && listener->state != LISTENER_HAS_ACCEPTED)) && |
1977 | (ev->device_event.flags & (TOUCH_ACCEPT(1 << 0) | TOUCH_REJECT(1 << 1))) == 0) { |
1978 | ev->any.type = ET_TouchUpdate; |
1979 | ev->device_event.flags |= TOUCH_PENDING_END(1 << 2); |
1980 | ti->pending_finish = TRUE1; |
1981 | } |
1982 | |
1983 | if (normal_end) |
1984 | listener->state = LISTENER_HAS_END; |
1985 | } |
1986 | |
1987 | out: |
1988 | return rc; |
1989 | } |
1990 | |
1991 | static int |
1992 | DeliverTouchEvent(DeviceIntPtr dev, TouchPointInfoPtr ti, InternalEvent *ev, |
1993 | TouchListener * listener, ClientPtr client, |
1994 | WindowPtr win, GrabPtr grab, XI2Mask *xi2mask) |
1995 | { |
1996 | Bool has_ownershipmask = FALSE0; |
1997 | int rc = Success0; |
1998 | |
1999 | if (xi2mask) |
2000 | has_ownershipmask = xi2mask_isset(xi2mask, dev, XI_TouchOwnership21); |
2001 | |
2002 | if (ev->any.type == ET_TouchOwnership) { |
2003 | ev->touch_ownership_event.deviceid = dev->id; |
2004 | if (!TouchResourceIsOwner(ti, listener->listener)) |
2005 | goto out; |
2006 | rc = DeliverOneTouchEvent(client, dev, ti, grab, win, ev); |
2007 | listener->state = LISTENER_IS_OWNER; |
2008 | } |
2009 | else |
2010 | ev->device_event.deviceid = dev->id; |
2011 | |
2012 | if (ev->any.type == ET_TouchBegin) { |
2013 | rc = DeliverTouchBeginEvent(dev, ti, ev, listener, client, win, grab, |
2014 | xi2mask); |
2015 | } |
2016 | else if (ev->any.type == ET_TouchUpdate) { |
2017 | if (listener->type == LISTENER_POINTER_REGULAR || |
2018 | listener->type == LISTENER_POINTER_GRAB) |
2019 | DeliverTouchEmulatedEvent(dev, ti, ev, listener, client, win, grab, |
2020 | xi2mask); |
2021 | else if (TouchResourceIsOwner(ti, listener->listener) || |
2022 | has_ownershipmask) |
2023 | rc = DeliverOneTouchEvent(client, dev, ti, grab, win, ev); |
2024 | } |
2025 | else if (ev->any.type == ET_TouchEnd) |
2026 | rc = DeliverTouchEndEvent(dev, ti, ev, listener, client, win, grab, |
2027 | xi2mask); |
2028 | |
2029 | out: |
2030 | return rc; |
2031 | } |
2032 | |
2033 | /** |
2034 | * Delivers a touch events to all interested clients. For TouchBegin events, |
2035 | * will update ti->listeners, ti->num_listeners, and ti->num_grabs. |
2036 | * May also mutate ev (type and flags) upon successful delivery. If |
2037 | * @resource is non-zero, will only attempt delivery to the owner of that |
2038 | * resource. |
2039 | * |
2040 | * @return TRUE if the event was delivered at least once, FALSE otherwise |
2041 | */ |
2042 | void |
2043 | DeliverTouchEvents(DeviceIntPtr dev, TouchPointInfoPtr ti, |
2044 | InternalEvent *ev, XID resource) |
2045 | { |
2046 | int i; |
2047 | |
2048 | if (ev->any.type == ET_TouchBegin && |
2049 | !(ev->device_event.flags & (TOUCH_CLIENT_ID(1 << 3) | TOUCH_REPLAYING(1 << 4)))) |
2050 | TouchSetupListeners(dev, ti, ev); |
2051 | |
2052 | TouchEventHistoryPush(ti, &ev->device_event); |
2053 | |
2054 | for (i = 0; i < ti->num_listeners; i++) { |
2055 | GrabPtr grab = NULL((void*)0); |
2056 | ClientPtr client; |
2057 | WindowPtr win; |
2058 | XI2Mask *mask; |
2059 | TouchListener *listener = &ti->listeners[i]; |
2060 | |
2061 | if (resource && listener->listener != resource) |
2062 | continue; |
2063 | |
2064 | if (!RetrieveTouchDeliveryData(dev, ti, ev, listener, &client, &win, |
2065 | &grab, &mask)) |
2066 | continue; |
2067 | |
2068 | DeliverTouchEvent(dev, ti, ev, listener, client, win, grab, mask); |
2069 | } |
2070 | } |
2071 | |
2072 | int |
2073 | InitProximityClassDeviceStruct(DeviceIntPtr dev) |
2074 | { |
2075 | ProximityClassPtr proxc; |
2076 | |
2077 | BUG_RETURN_VAL(dev == NULL, FALSE)do { if (dev == ((void*)0)) { do { if (dev == ((void*)0)) { ErrorFSigSafe ("BUG: triggered 'if (" "dev == ((void*)0)" ")'\n"); ErrorFSigSafe ("BUG: %s:%u in %s()\n", "exevents.c", 2077, __func__); if (0 ) ErrorFSigSafe(((void*)0)); xorg_backtrace(); } } while(0); return (0); } } while(0); |
2078 | BUG_RETURN_VAL(dev->proximity != NULL, FALSE)do { if (dev->proximity != ((void*)0)) { do { if (dev-> proximity != ((void*)0)) { ErrorFSigSafe("BUG: triggered 'if (" "dev->proximity != ((void*)0)" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n" , "exevents.c", 2078, __func__); if (0) ErrorFSigSafe(((void* )0)); xorg_backtrace(); } } while(0); return (0); } } while(0 ); |
2079 | |
2080 | proxc = (ProximityClassPtr) malloc(sizeof(ProximityClassRec)); |
2081 | if (!proxc) |
2082 | return FALSE0; |
2083 | proxc->sourceid = dev->id; |
2084 | proxc->in_proximity = TRUE1; |
2085 | dev->proximity = proxc; |
2086 | return TRUE1; |
2087 | } |
2088 | |
2089 | /** |
2090 | * Initialise the device's valuators. The memory must already be allocated, |
2091 | * this function merely inits the matching axis (specified through axnum) to |
2092 | * sane values. |
2093 | * |
2094 | * It is a condition that (minval < maxval). |
2095 | * |
2096 | * @see InitValuatorClassDeviceStruct |
2097 | */ |
2098 | Bool |
2099 | InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, Atom label, int minval, |
2100 | int maxval, int resolution, int min_res, int max_res, |
2101 | int mode) |
2102 | { |
2103 | AxisInfoPtr ax; |
2104 | |
2105 | BUG_RETURN_VAL(dev == NULL, FALSE)do { if (dev == ((void*)0)) { do { if (dev == ((void*)0)) { ErrorFSigSafe ("BUG: triggered 'if (" "dev == ((void*)0)" ")'\n"); ErrorFSigSafe ("BUG: %s:%u in %s()\n", "exevents.c", 2105, __func__); if (0 ) ErrorFSigSafe(((void*)0)); xorg_backtrace(); } } while(0); return (0); } } while(0); |
2106 | BUG_RETURN_VAL(dev->valuator == NULL, FALSE)do { if (dev->valuator == ((void*)0)) { do { if (dev->valuator == ((void*)0)) { ErrorFSigSafe("BUG: triggered 'if (" "dev->valuator == ((void*)0)" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "exevents.c", 2106, __func__); if (0) ErrorFSigSafe(((void*)0)); xorg_backtrace (); } } while(0); return (0); } } while(0); |
2107 | BUG_RETURN_VAL(axnum >= dev->valuator->numAxes, FALSE)do { if (axnum >= dev->valuator->numAxes) { do { if ( axnum >= dev->valuator->numAxes) { ErrorFSigSafe("BUG: triggered 'if (" "axnum >= dev->valuator->numAxes" ")'\n"); ErrorFSigSafe ("BUG: %s:%u in %s()\n", "exevents.c", 2107, __func__); if (0 ) ErrorFSigSafe(((void*)0)); xorg_backtrace(); } } while(0); return (0); } } while(0); |
2108 | BUG_RETURN_VAL(minval > maxval && mode == Absolute, FALSE)do { if (minval > maxval && mode == 1) { do { if ( minval > maxval && mode == 1) { ErrorFSigSafe("BUG: triggered 'if (" "minval > maxval && mode == 1" ")'\n"); ErrorFSigSafe ("BUG: %s:%u in %s()\n", "exevents.c", 2108, __func__); if (0 ) ErrorFSigSafe(((void*)0)); xorg_backtrace(); } } while(0); return (0); } } while(0); |
2109 | |
2110 | ax = dev->valuator->axes + axnum; |
2111 | |
2112 | ax->min_value = minval; |
2113 | ax->max_value = maxval; |
2114 | ax->resolution = resolution; |
2115 | ax->min_resolution = min_res; |
2116 | ax->max_resolution = max_res; |
2117 | ax->label = label; |
2118 | ax->mode = mode; |
2119 | |
2120 | if (mode & OutOfProximity(1L << 1)) |
2121 | dev->proximity->in_proximity = FALSE0; |
2122 | |
2123 | return SetScrollValuator(dev, axnum, SCROLL_TYPE_NONE, 0, SCROLL_FLAG_NONE); |
2124 | } |
2125 | |
2126 | /** |
2127 | * Set the given axis number as a scrolling valuator. |
2128 | */ |
2129 | Bool |
2130 | SetScrollValuator(DeviceIntPtr dev, int axnum, enum ScrollType type, |
2131 | double increment, int flags) |
2132 | { |
2133 | AxisInfoPtr ax; |
2134 | int *current_ax; |
2135 | InternalEvent dce; |
2136 | DeviceIntPtr master; |
2137 | |
2138 | BUG_RETURN_VAL(dev == NULL, FALSE)do { if (dev == ((void*)0)) { do { if (dev == ((void*)0)) { ErrorFSigSafe ("BUG: triggered 'if (" "dev == ((void*)0)" ")'\n"); ErrorFSigSafe ("BUG: %s:%u in %s()\n", "exevents.c", 2138, __func__); if (0 ) ErrorFSigSafe(((void*)0)); xorg_backtrace(); } } while(0); return (0); } } while(0); |
2139 | BUG_RETURN_VAL(dev->valuator == NULL, FALSE)do { if (dev->valuator == ((void*)0)) { do { if (dev->valuator == ((void*)0)) { ErrorFSigSafe("BUG: triggered 'if (" "dev->valuator == ((void*)0)" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "exevents.c", 2139, __func__); if (0) ErrorFSigSafe(((void*)0)); xorg_backtrace (); } } while(0); return (0); } } while(0); |
2140 | BUG_RETURN_VAL(axnum >= dev->valuator->numAxes, FALSE)do { if (axnum >= dev->valuator->numAxes) { do { if ( axnum >= dev->valuator->numAxes) { ErrorFSigSafe("BUG: triggered 'if (" "axnum >= dev->valuator->numAxes" ")'\n"); ErrorFSigSafe ("BUG: %s:%u in %s()\n", "exevents.c", 2140, __func__); if (0 ) ErrorFSigSafe(((void*)0)); xorg_backtrace(); } } while(0); return (0); } } while(0); |
2141 | |
2142 | switch (type) { |
2143 | case SCROLL_TYPE_VERTICAL: |
2144 | current_ax = &dev->valuator->v_scroll_axis; |
2145 | break; |
2146 | case SCROLL_TYPE_HORIZONTAL: |
2147 | current_ax = &dev->valuator->h_scroll_axis; |
2148 | break; |
2149 | case SCROLL_TYPE_NONE: |
2150 | ax = &dev->valuator->axes[axnum]; |
2151 | ax->scroll.type = type; |
2152 | return TRUE1; |
2153 | default: |
2154 | return FALSE0; |
2155 | } |
2156 | |
2157 | if (increment == 0.0) |
2158 | return FALSE0; |
2159 | |
2160 | if (*current_ax != -1 && axnum != *current_ax) { |
2161 | ax = &dev->valuator->axes[*current_ax]; |
2162 | if (ax->scroll.type == type && |
2163 | (flags & SCROLL_FLAG_PREFERRED) && |
2164 | (ax->scroll.flags & SCROLL_FLAG_PREFERRED)) |
2165 | return FALSE0; |
2166 | } |
2167 | *current_ax = axnum; |
2168 | |
2169 | ax = &dev->valuator->axes[axnum]; |
2170 | ax->scroll.type = type; |
2171 | ax->scroll.increment = increment; |
2172 | ax->scroll.flags = flags; |
2173 | |
2174 | master = GetMaster(dev, MASTER_ATTACHED4); |
2175 | CreateClassesChangedEvent(&dce, master, dev, |
2176 | DEVCHANGE_POINTER_EVENT0x4 | |
2177 | DEVCHANGE_DEVICE_CHANGE0x10); |
2178 | XISendDeviceChangedEvent(dev, &dce.changed_event); |
2179 | |
2180 | /* if the current slave is us, update the master. If not, we'll update |
2181 | * whenever the next slave switch happens anyway. CMDC sends the event |
2182 | * for us */ |
2183 | if (master && master->lastSlave == dev) |
2184 | ChangeMasterDeviceClasses(master, &dce.changed_event); |
2185 | |
2186 | return TRUE1; |
2187 | } |
2188 | |
2189 | int |
2190 | CheckGrabValues(ClientPtr client, GrabParameters *param) |
2191 | { |
2192 | if (param->grabtype != CORE && |
2193 | param->grabtype != XI && param->grabtype != XI2) { |
2194 | ErrorF("[Xi] grabtype is invalid. This is a bug.\n"); |
2195 | return BadImplementation17; |
2196 | } |
2197 | |
2198 | if ((param->this_device_mode != GrabModeSync0) && |
2199 | (param->this_device_mode != GrabModeAsync1) && |
2200 | (param->this_device_mode != XIGrabModeTouch2)) { |
2201 | client->errorValue = param->this_device_mode; |
2202 | return BadValue2; |
2203 | } |
2204 | if ((param->other_devices_mode != GrabModeSync0) && |
2205 | (param->other_devices_mode != GrabModeAsync1) && |
2206 | (param->other_devices_mode != XIGrabModeTouch2)) { |
2207 | client->errorValue = param->other_devices_mode; |
2208 | return BadValue2; |
2209 | } |
2210 | |
2211 | if (param->modifiers != AnyModifier(1<<15) && |
2212 | param->modifiers != XIAnyModifier(1U << 31) && |
2213 | (param->modifiers & ~AllModifiersMask( (1<<0) | (1<<1) | (1<<2) | (1<<3) | (1<<4) | (1<<5) | (1<<6) | (1<<7) ))) { |
2214 | client->errorValue = param->modifiers; |
2215 | return BadValue2; |
2216 | } |
2217 | |
2218 | if ((param->ownerEvents != xFalse0) && (param->ownerEvents != xTrue1)) { |
2219 | client->errorValue = param->ownerEvents; |
2220 | return BadValue2; |
2221 | } |
2222 | return Success0; |
2223 | } |
2224 | |
2225 | int |
2226 | GrabButton(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr modifier_device, |
2227 | int button, GrabParameters *param, enum InputLevel grabtype, |
2228 | GrabMask *mask) |
2229 | { |
2230 | WindowPtr pWin, confineTo; |
2231 | CursorPtr cursor; |
2232 | GrabPtr grab; |
2233 | int rc, type = -1; |
2234 | Mask access_mode = DixGrabAccess(1<<17); |
2235 | |
2236 | rc = CheckGrabValues(client, param); |
2237 | if (rc != Success0) |
2238 | return rc; |
2239 | if (param->confineTo == None0L) |
2240 | confineTo = NullWindow((WindowPtr) 0); |
2241 | else { |
2242 | rc = dixLookupWindow(&confineTo, param->confineTo, client, |
2243 | DixSetAttrAccess(1<<5)); |
2244 | if (rc != Success0) |
2245 | return rc; |
2246 | } |
2247 | if (param->cursor == None0L) |
2248 | cursor = NullCursor((CursorPtr)((void*)0)); |
2249 | else { |
2250 | rc = dixLookupResourceByType((void **) &cursor, param->cursor, |
2251 | RT_CURSOR((RESTYPE)5), client, DixUseAccess(1<<24)); |
2252 | if (rc != Success0) { |
2253 | client->errorValue = param->cursor; |
2254 | return rc; |
2255 | } |
2256 | access_mode |= DixForceAccess(1<<19); |
2257 | } |
2258 | if (param->this_device_mode == GrabModeSync0 || |
2259 | param->other_devices_mode == GrabModeSync0) |
2260 | access_mode |= DixFreezeAccess(1<<18); |
2261 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, dev, access_mode); |
2262 | if (rc != Success0) |
2263 | return rc; |
2264 | rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess(1<<5)); |
2265 | if (rc != Success0) |
2266 | return rc; |
2267 | |
2268 | if (grabtype == XI) |
2269 | type = DeviceButtonPress; |
2270 | else if (grabtype == XI2) |
2271 | type = XI_ButtonPress4; |
2272 | |
2273 | grab = CreateGrab(client->index, dev, modifier_device, pWin, grabtype, |
2274 | mask, param, type, button, confineTo, cursor); |
2275 | if (!grab) |
2276 | return BadAlloc11; |
2277 | return AddPassiveGrabToList(client, grab); |
2278 | } |
2279 | |
2280 | /** |
2281 | * Grab the given key. |
2282 | */ |
2283 | int |
2284 | GrabKey(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr modifier_device, |
2285 | int key, GrabParameters *param, enum InputLevel grabtype, |
2286 | GrabMask *mask) |
2287 | { |
2288 | WindowPtr pWin; |
2289 | GrabPtr grab; |
2290 | KeyClassPtr k = dev->key; |
2291 | Mask access_mode = DixGrabAccess(1<<17); |
2292 | int rc, type = -1; |
2293 | |
2294 | rc = CheckGrabValues(client, param); |
2295 | if (rc != Success0) |
2296 | return rc; |
2297 | if ((dev->id != XIAllDevices0 && dev->id != XIAllMasterDevices1) && k == NULL((void*)0)) |
2298 | return BadMatch8; |
2299 | if (grabtype == XI) { |
2300 | if ((key > k->xkbInfo->desc->max_key_code || |
2301 | key < k->xkbInfo->desc->min_key_code) |
2302 | && (key != AnyKey0L)) { |
2303 | client->errorValue = key; |
2304 | return BadValue2; |
2305 | } |
2306 | type = DeviceKeyPress; |
2307 | } |
2308 | else if (grabtype == XI2) |
2309 | type = XI_KeyPress2; |
2310 | |
2311 | rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess(1<<5)); |
2312 | if (rc != Success0) |
2313 | return rc; |
2314 | if (param->this_device_mode == GrabModeSync0 || |
2315 | param->other_devices_mode == GrabModeSync0) |
2316 | access_mode |= DixFreezeAccess(1<<18); |
2317 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, dev, access_mode); |
2318 | if (rc != Success0) |
2319 | return rc; |
2320 | |
2321 | grab = CreateGrab(client->index, dev, modifier_device, pWin, grabtype, |
2322 | mask, param, type, key, NULL((void*)0), NULL((void*)0)); |
2323 | if (!grab) |
2324 | return BadAlloc11; |
2325 | return AddPassiveGrabToList(client, grab); |
2326 | } |
2327 | |
2328 | /* Enter/FocusIn grab */ |
2329 | int |
2330 | GrabWindow(ClientPtr client, DeviceIntPtr dev, int type, |
2331 | GrabParameters *param, GrabMask *mask) |
2332 | { |
2333 | WindowPtr pWin; |
2334 | CursorPtr cursor; |
2335 | GrabPtr grab; |
2336 | Mask access_mode = DixGrabAccess(1<<17); |
2337 | int rc; |
2338 | |
2339 | rc = CheckGrabValues(client, param); |
2340 | if (rc != Success0) |
2341 | return rc; |
2342 | |
2343 | rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess(1<<5)); |
2344 | if (rc != Success0) |
2345 | return rc; |
2346 | if (param->cursor == None0L) |
2347 | cursor = NullCursor((CursorPtr)((void*)0)); |
2348 | else { |
2349 | rc = dixLookupResourceByType((void **) &cursor, param->cursor, |
2350 | RT_CURSOR((RESTYPE)5), client, DixUseAccess(1<<24)); |
2351 | if (rc != Success0) { |
2352 | client->errorValue = param->cursor; |
2353 | return rc; |
2354 | } |
2355 | access_mode |= DixForceAccess(1<<19); |
2356 | } |
2357 | if (param->this_device_mode == GrabModeSync0 || |
2358 | param->other_devices_mode == GrabModeSync0) |
2359 | access_mode |= DixFreezeAccess(1<<18); |
2360 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, dev, access_mode); |
2361 | if (rc != Success0) |
2362 | return rc; |
2363 | |
2364 | grab = CreateGrab(client->index, dev, dev, pWin, XI2, |
2365 | mask, param, |
2366 | (type == XIGrabtypeEnter2) ? XI_Enter7 : XI_FocusIn9, 0, |
2367 | NULL((void*)0), cursor); |
2368 | |
2369 | if (!grab) |
2370 | return BadAlloc11; |
2371 | |
2372 | return AddPassiveGrabToList(client, grab); |
2373 | } |
2374 | |
2375 | /* Touch grab */ |
2376 | int |
2377 | GrabTouch(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr mod_dev, |
2378 | GrabParameters *param, GrabMask *mask) |
2379 | { |
2380 | WindowPtr pWin; |
2381 | GrabPtr grab; |
2382 | int rc; |
2383 | |
2384 | rc = CheckGrabValues(client, param); |
2385 | if (rc != Success0) |
2386 | return rc; |
2387 | |
2388 | rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess(1<<5)); |
2389 | if (rc != Success0) |
2390 | return rc; |
2391 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, dev, DixGrabAccess(1<<17)); |
2392 | if (rc != Success0) |
2393 | return rc; |
2394 | |
2395 | grab = CreateGrab(client->index, dev, mod_dev, pWin, XI2, |
2396 | mask, param, XI_TouchBegin18, 0, NullWindow((WindowPtr) 0), NullCursor((CursorPtr)((void*)0))); |
2397 | if (!grab) |
2398 | return BadAlloc11; |
2399 | |
2400 | return AddPassiveGrabToList(client, grab); |
2401 | } |
2402 | |
2403 | int |
2404 | SelectForWindow(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client, |
2405 | Mask mask, Mask exclusivemasks) |
2406 | { |
2407 | int mskidx = dev->id; |
2408 | int i, ret; |
2409 | Mask check; |
2410 | InputClientsPtr others; |
2411 | |
2412 | check = (mask & exclusivemasks); |
2413 | if (wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))) { |
2414 | if (check & wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))->inputEvents[mskidx]) { |
2415 | /* It is illegal for two different clients to select on any of |
2416 | * the events for maskcheck. However, it is OK, for some client |
2417 | * to continue selecting on one of those events. |
2418 | */ |
2419 | for (others = wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))->inputClients; others; |
2420 | others = others->next) { |
2421 | if (!SameClient(others, client)((((others)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask) && (check & |
2422 | others->mask[mskidx])) |
2423 | return BadAccess10; |
2424 | } |
2425 | } |
2426 | for (others = wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))->inputClients; others; |
2427 | others = others->next) { |
2428 | if (SameClient(others, client)((((others)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) { |
2429 | check = others->mask[mskidx]; |
2430 | others->mask[mskidx] = mask; |
2431 | if (mask == 0) { |
2432 | for (i = 0; i < EMASKSIZE(40 + 2); i++) |
2433 | if (i != mskidx && others->mask[i] != 0) |
2434 | break; |
2435 | if (i == EMASKSIZE(40 + 2)) { |
2436 | RecalculateDeviceDeliverableEvents(pWin); |
2437 | if (ShouldFreeInputMasks(pWin, FALSE0)) |
2438 | FreeResource(others->resource, RT_NONE((RESTYPE)0)); |
2439 | return Success0; |
2440 | } |
2441 | } |
2442 | goto maskSet; |
2443 | } |
2444 | } |
2445 | } |
2446 | check = 0; |
2447 | if ((ret = AddExtensionClient(pWin, client, mask, mskidx)) != Success0) |
2448 | return ret; |
2449 | maskSet: |
2450 | if (dev->valuator) |
2451 | if ((dev->valuator->motionHintWindow == pWin) && |
2452 | (mask & DevicePointerMotionHintMask) && |
2453 | !(check & DevicePointerMotionHintMask) && !dev->deviceGrab.grab) |
2454 | dev->valuator->motionHintWindow = NullWindow((WindowPtr) 0); |
2455 | RecalculateDeviceDeliverableEvents(pWin); |
2456 | return Success0; |
2457 | } |
2458 | |
2459 | static void |
2460 | FreeInputClient(InputClientsPtr * other) |
2461 | { |
2462 | xi2mask_free(&(*other)->xi2mask); |
2463 | free(*other); |
2464 | *other = NULL((void*)0); |
2465 | } |
2466 | |
2467 | static InputClientsPtr |
2468 | AllocInputClient(void) |
2469 | { |
2470 | return calloc(1, sizeof(InputClients)); |
2471 | } |
2472 | |
2473 | int |
2474 | AddExtensionClient(WindowPtr pWin, ClientPtr client, Mask mask, int mskidx) |
2475 | { |
2476 | InputClientsPtr others; |
2477 | |
2478 | if (!pWin->optional && !MakeWindowOptional(pWin)) |
2479 | return BadAlloc11; |
2480 | others = AllocInputClient(); |
2481 | if (!others) |
2482 | return BadAlloc11; |
2483 | if (!pWin->optional->inputMasks && !MakeInputMasks(pWin)) |
2484 | goto bail; |
2485 | others->xi2mask = xi2mask_new(); |
2486 | if (!others->xi2mask) |
2487 | goto bail; |
2488 | others->mask[mskidx] = mask; |
2489 | others->resource = FakeClientID(client->index); |
2490 | others->next = pWin->optional->inputMasks->inputClients; |
2491 | pWin->optional->inputMasks->inputClients = others; |
2492 | if (!AddResourceDarwin_X_AddResource(others->resource, RT_INPUTCLIENT, (void *) pWin)) |
2493 | goto bail; |
2494 | return Success0; |
2495 | |
2496 | bail: |
2497 | FreeInputClient(&others); |
2498 | return BadAlloc11; |
2499 | } |
2500 | |
2501 | static Bool |
2502 | MakeInputMasks(WindowPtr pWin) |
2503 | { |
2504 | struct _OtherInputMasks *imasks; |
2505 | |
2506 | imasks = calloc(1, sizeof(struct _OtherInputMasks)); |
2507 | if (!imasks) |
2508 | return FALSE0; |
2509 | imasks->xi2mask = xi2mask_new(); |
2510 | if (!imasks->xi2mask) { |
2511 | free(imasks); |
2512 | return FALSE0; |
2513 | } |
2514 | pWin->optional->inputMasks = imasks; |
2515 | return TRUE1; |
2516 | } |
2517 | |
2518 | static void |
2519 | FreeInputMask(OtherInputMasks ** imask) |
2520 | { |
2521 | xi2mask_free(&(*imask)->xi2mask); |
2522 | free(*imask); |
2523 | *imask = NULL((void*)0); |
2524 | } |
2525 | |
2526 | void |
2527 | RecalculateDeviceDeliverableEvents(WindowPtr pWin) |
2528 | { |
2529 | InputClientsPtr others; |
2530 | struct _OtherInputMasks *inputMasks; /* default: NULL */ |
2531 | WindowPtr pChild, tmp; |
2532 | int i; |
2533 | |
2534 | pChild = pWin; |
2535 | while (1) { |
2536 | if ((inputMasks = wOtherInputMasks(pChild)((pChild)->optional ? (pChild)->optional->inputMasks : ((void*)0))) != 0) { |
2537 | xi2mask_zero(inputMasks->xi2mask, -1); |
2538 | for (others = inputMasks->inputClients; others; |
2539 | others = others->next) { |
2540 | for (i = 0; i < EMASKSIZE(40 + 2); i++) |
2541 | inputMasks->inputEvents[i] |= others->mask[i]; |
2542 | xi2mask_merge(inputMasks->xi2mask, others->xi2mask); |
2543 | } |
2544 | for (i = 0; i < EMASKSIZE(40 + 2); i++) |
2545 | inputMasks->deliverableEvents[i] = inputMasks->inputEvents[i]; |
2546 | for (tmp = pChild->parent; tmp; tmp = tmp->parent) |
2547 | if (wOtherInputMasks(tmp)((tmp)->optional ? (tmp)->optional->inputMasks : ((void *)0))) |
2548 | for (i = 0; i < EMASKSIZE(40 + 2); i++) |
2549 | inputMasks->deliverableEvents[i] |= |
2550 | (wOtherInputMasks(tmp)((tmp)->optional ? (tmp)->optional->inputMasks : ((void *)0))->deliverableEvents[i] |
2551 | & ~inputMasks->dontPropagateMask[i] & |
2552 | PropagateMask[i]); |
2553 | } |
2554 | if (pChild->firstChild) { |
2555 | pChild = pChild->firstChild; |
2556 | continue; |
2557 | } |
2558 | while (!pChild->nextSib && (pChild != pWin)) |
2559 | pChild = pChild->parent; |
2560 | if (pChild == pWin) |
2561 | break; |
2562 | pChild = pChild->nextSib; |
2563 | } |
2564 | } |
2565 | |
2566 | int |
2567 | InputClientGone(WindowPtr pWin, XID id) |
2568 | { |
2569 | InputClientsPtr other, prev; |
2570 | |
2571 | if (!wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))) |
2572 | return Success0; |
2573 | prev = 0; |
2574 | for (other = wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))->inputClients; other; |
2575 | other = other->next) { |
2576 | if (other->resource == id) { |
2577 | if (prev) { |
2578 | prev->next = other->next; |
2579 | FreeInputClient(&other); |
2580 | } |
2581 | else if (!(other->next)) { |
2582 | if (ShouldFreeInputMasks(pWin, TRUE1)) { |
2583 | OtherInputMasks *mask = wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0)); |
2584 | |
2585 | mask->inputClients = other->next; |
2586 | FreeInputMask(&mask); |
2587 | pWin->optional->inputMasks = (OtherInputMasks *) NULL((void*)0); |
2588 | CheckWindowOptionalNeed(pWin); |
2589 | FreeInputClient(&other); |
2590 | } |
2591 | else { |
2592 | other->resource = FakeClientID(0); |
2593 | if (!AddResourceDarwin_X_AddResource(other->resource, RT_INPUTCLIENT, |
2594 | (void *) pWin)) |
2595 | return BadAlloc11; |
2596 | } |
2597 | } |
2598 | else { |
2599 | wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))->inputClients = other->next; |
2600 | FreeInputClient(&other); |
2601 | } |
2602 | RecalculateDeviceDeliverableEvents(pWin); |
2603 | return Success0; |
2604 | } |
2605 | prev = other; |
2606 | } |
2607 | FatalError("client not on device event list"); |
2608 | } |
2609 | |
2610 | /** |
2611 | * Search for window in each touch trace for each device. Remove the window |
2612 | * and all its subwindows from the trace when found. The initial window |
2613 | * order is preserved. |
2614 | */ |
2615 | void |
2616 | WindowGone(WindowPtr win) |
2617 | { |
2618 | DeviceIntPtr dev; |
2619 | |
2620 | for (dev = inputInfo.devices; dev; dev = dev->next) { |
2621 | TouchClassPtr t = dev->touch; |
2622 | int i; |
2623 | |
2624 | if (!t) |
2625 | continue; |
2626 | |
2627 | for (i = 0; i < t->num_touches; i++) { |
2628 | SpritePtr sprite = &t->touches[i].sprite; |
2629 | int j; |
2630 | |
2631 | for (j = 0; j < sprite->spriteTraceGood; j++) { |
2632 | if (sprite->spriteTrace[j] == win) { |
2633 | sprite->spriteTraceGood = j; |
2634 | break; |
2635 | } |
2636 | } |
2637 | } |
2638 | } |
2639 | } |
2640 | |
2641 | int |
2642 | SendEvent(ClientPtr client, DeviceIntPtr d, Window dest, Bool propagate, |
2643 | xEvent *ev, Mask mask, int count) |
2644 | { |
2645 | WindowPtr pWin; |
2646 | WindowPtr effectiveFocus = NullWindow((WindowPtr) 0); /* only set if dest==InputFocus */ |
2647 | WindowPtr spriteWin = GetSpriteWindow(d); |
2648 | |
2649 | if (dest == PointerWindow0L) |
2650 | pWin = spriteWin; |
2651 | else if (dest == InputFocus1L) { |
2652 | WindowPtr inputFocus; |
2653 | |
2654 | if (!d->focus) |
2655 | inputFocus = spriteWin; |
2656 | else |
2657 | inputFocus = d->focus->win; |
2658 | |
2659 | if (inputFocus == FollowKeyboardWin((WindowPtr) 3)) |
2660 | inputFocus = inputInfo.keyboard->focus->win; |
2661 | |
2662 | if (inputFocus == NoneWin((WindowPtr)0L)) |
2663 | return Success0; |
2664 | |
2665 | /* If the input focus is PointerRootWin, send the event to where |
2666 | * the pointer is if possible, then perhaps propogate up to root. */ |
2667 | if (inputFocus == PointerRootWin((WindowPtr)1L)) |
2668 | inputFocus = GetCurrentRootWindow(d); |
2669 | |
2670 | if (IsParent(inputFocus, spriteWin)) { |
2671 | effectiveFocus = inputFocus; |
2672 | pWin = spriteWin; |
2673 | } |
2674 | else |
2675 | effectiveFocus = pWin = inputFocus; |
2676 | } |
2677 | else |
2678 | dixLookupWindow(&pWin, dest, client, DixSendAccess(1<<22)); |
2679 | if (!pWin) |
2680 | return BadWindow3; |
2681 | if ((propagate != xFalse0) && (propagate != xTrue1)) { |
2682 | client->errorValue = propagate; |
2683 | return BadValue2; |
2684 | } |
2685 | ev->u.u.type |= 0x80; |
2686 | if (propagate) { |
2687 | for (; pWin; pWin = pWin->parent) { |
2688 | if (DeliverEventsToWindow(d, pWin, ev, count, mask, NullGrab((GrabPtr)((void*)0)))) |
2689 | return Success0; |
2690 | if (pWin == effectiveFocus) |
2691 | return Success0; |
2692 | if (wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))) |
2693 | mask &= ~wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))->dontPropagateMask[d->id]; |
2694 | if (!mask) |
2695 | break; |
2696 | } |
2697 | } |
2698 | else if (!XaceHook(XACE_SEND_ACCESS5, client, NULL((void*)0), pWin, ev, count)) |
2699 | DeliverEventsToWindow(d, pWin, ev, count, mask, NullGrab((GrabPtr)((void*)0))); |
2700 | return Success0; |
2701 | } |
2702 | |
2703 | int |
2704 | SetButtonMapping(ClientPtr client, DeviceIntPtr dev, int nElts, BYTE * map) |
2705 | { |
2706 | int i; |
2707 | ButtonClassPtr b = dev->button; |
2708 | |
2709 | if (b == NULL((void*)0)) |
2710 | return BadMatch8; |
2711 | |
2712 | if (nElts != b->numButtons) { |
2713 | client->errorValue = nElts; |
2714 | return BadValue2; |
2715 | } |
2716 | if (BadDeviceMap(&map[0], nElts, 1, 255, &client->errorValue)) |
2717 | return BadValue2; |
2718 | for (i = 0; i < nElts; i++) |
2719 | if ((b->map[i + 1] != map[i]) && BitIsOn(b->down, i + 1)(!!(((const BYTE *) (b->down))[(i + 1)>>3] & (1 << ((i + 1) & 7))))) |
2720 | return MappingBusy1; |
2721 | for (i = 0; i < nElts; i++) |
2722 | b->map[i + 1] = map[i]; |
2723 | return Success0; |
2724 | } |
2725 | |
2726 | int |
2727 | ChangeKeyMapping(ClientPtr client, |
2728 | DeviceIntPtr dev, |
2729 | unsigned len, |
2730 | int type, |
2731 | KeyCode firstKeyCode, |
2732 | CARD8 keyCodes, CARD8 keySymsPerKeyCode, KeySym * map) |
2733 | { |
2734 | KeySymsRec keysyms; |
2735 | KeyClassPtr k = dev->key; |
2736 | |
2737 | if (k == NULL((void*)0)) |
2738 | return BadMatch8; |
2739 | |
2740 | if (len != (keyCodes * keySymsPerKeyCode)) |
2741 | return BadLength16; |
2742 | |
2743 | if ((firstKeyCode < k->xkbInfo->desc->min_key_code) || |
2744 | (firstKeyCode + keyCodes - 1 > k->xkbInfo->desc->max_key_code)) { |
2745 | client->errorValue = firstKeyCode; |
2746 | return BadValue2; |
2747 | } |
2748 | if (keySymsPerKeyCode == 0) { |
2749 | client->errorValue = 0; |
2750 | return BadValue2; |
2751 | } |
2752 | keysyms.minKeyCode = firstKeyCode; |
2753 | keysyms.maxKeyCode = firstKeyCode + keyCodes - 1; |
2754 | keysyms.mapWidth = keySymsPerKeyCode; |
2755 | keysyms.map = map; |
2756 | |
2757 | XkbApplyMappingChange(dev, &keysyms, firstKeyCode, keyCodes, NULL((void*)0), |
2758 | serverClient); |
2759 | |
2760 | return Success0; |
2761 | } |
2762 | |
2763 | static void |
2764 | DeleteDeviceFromAnyExtEvents(WindowPtr pWin, DeviceIntPtr dev) |
2765 | { |
2766 | WindowPtr parent; |
2767 | |
2768 | /* Deactivate any grabs performed on this window, before making |
2769 | * any input focus changes. |
2770 | * Deactivating a device grab should cause focus events. */ |
2771 | |
2772 | if (dev->deviceGrab.grab && (dev->deviceGrab.grab->window == pWin)) |
2773 | (*dev->deviceGrab.DeactivateGrab) (dev); |
2774 | |
2775 | /* If the focus window is a root window (ie. has no parent) |
2776 | * then don't delete the focus from it. */ |
2777 | |
2778 | if (dev->focus && (pWin == dev->focus->win) && (pWin->parent != NullWindow((WindowPtr) 0))) { |
2779 | int focusEventMode = NotifyNormal0; |
2780 | |
2781 | /* If a grab is in progress, then alter the mode of focus events. */ |
2782 | |
2783 | if (dev->deviceGrab.grab) |
2784 | focusEventMode = NotifyWhileGrabbed3; |
2785 | |
2786 | switch (dev->focus->revert) { |
2787 | case RevertToNone(int)0L: |
2788 | if (!ActivateFocusInGrab(dev, pWin, NoneWin((WindowPtr)0L))) |
2789 | DoFocusEvents(dev, pWin, NoneWin((WindowPtr)0L), focusEventMode); |
2790 | dev->focus->win = NoneWin((WindowPtr)0L); |
2791 | dev->focus->traceGood = 0; |
2792 | break; |
2793 | case RevertToParent2: |
2794 | parent = pWin; |
2795 | do { |
2796 | parent = parent->parent; |
2797 | dev->focus->traceGood--; |
2798 | } |
2799 | while (!parent->realized); |
2800 | if (!ActivateFocusInGrab(dev, pWin, parent)) |
2801 | DoFocusEvents(dev, pWin, parent, focusEventMode); |
2802 | dev->focus->win = parent; |
2803 | dev->focus->revert = RevertToNone(int)0L; |
2804 | break; |
2805 | case RevertToPointerRoot(int)1L: |
2806 | if (!ActivateFocusInGrab(dev, pWin, PointerRootWin((WindowPtr)1L))) |
2807 | DoFocusEvents(dev, pWin, PointerRootWin((WindowPtr)1L), focusEventMode); |
2808 | dev->focus->win = PointerRootWin((WindowPtr)1L); |
2809 | dev->focus->traceGood = 0; |
2810 | break; |
2811 | case RevertToFollowKeyboard3: |
2812 | { |
2813 | DeviceIntPtr kbd = GetMaster(dev, MASTER_KEYBOARD2); |
2814 | |
2815 | if (!kbd || (kbd == dev && kbd != inputInfo.keyboard)) |
2816 | kbd = inputInfo.keyboard; |
2817 | if (kbd->focus->win) { |
2818 | if (!ActivateFocusInGrab(dev, pWin, kbd->focus->win)) |
2819 | DoFocusEvents(dev, pWin, kbd->focus->win, focusEventMode); |
2820 | dev->focus->win = FollowKeyboardWin((WindowPtr) 3); |
2821 | dev->focus->traceGood = 0; |
2822 | } |
2823 | else { |
2824 | if (!ActivateFocusInGrab(dev, pWin, NoneWin((WindowPtr)0L))) |
2825 | DoFocusEvents(dev, pWin, NoneWin((WindowPtr)0L), focusEventMode); |
2826 | dev->focus->win = NoneWin((WindowPtr)0L); |
2827 | dev->focus->traceGood = 0; |
2828 | } |
2829 | } |
2830 | break; |
2831 | } |
2832 | } |
2833 | |
2834 | if (dev->valuator) |
2835 | if (dev->valuator->motionHintWindow == pWin) |
2836 | dev->valuator->motionHintWindow = NullWindow((WindowPtr) 0); |
2837 | } |
2838 | |
2839 | void |
2840 | DeleteWindowFromAnyExtEvents(WindowPtr pWin, Bool freeResources) |
2841 | { |
2842 | int i; |
2843 | DeviceIntPtr dev; |
2844 | InputClientsPtr ic; |
2845 | struct _OtherInputMasks *inputMasks; |
2846 | |
2847 | for (dev = inputInfo.devices; dev; dev = dev->next) { |
2848 | DeleteDeviceFromAnyExtEvents(pWin, dev); |
2849 | } |
2850 | |
2851 | for (dev = inputInfo.off_devices; dev; dev = dev->next) |
2852 | DeleteDeviceFromAnyExtEvents(pWin, dev); |
2853 | |
2854 | if (freeResources) |
2855 | while ((inputMasks = wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))) != 0) { |
2856 | ic = inputMasks->inputClients; |
2857 | for (i = 0; i < EMASKSIZE(40 + 2); i++) |
2858 | inputMasks->dontPropagateMask[i] = 0; |
2859 | FreeResource(ic->resource, RT_NONE((RESTYPE)0)); |
2860 | } |
2861 | } |
2862 | |
2863 | int |
2864 | MaybeSendDeviceMotionNotifyHint(deviceKeyButtonPointer *pEvents, Mask mask) |
2865 | { |
2866 | DeviceIntPtr dev; |
2867 | |
2868 | dixLookupDevice(&dev, pEvents->deviceid & DEVICE_BITS0x7F, serverClient, |
2869 | DixReadAccess(1<<0)); |
2870 | if (!dev) |
2871 | return 0; |
2872 | |
2873 | if (pEvents->type == DeviceMotionNotify) { |
2874 | if (mask & DevicePointerMotionHintMask) { |
2875 | if (WID(dev->valuator->motionHintWindow)((dev->valuator->motionHintWindow) ? ((dev->valuator ->motionHintWindow)->drawable.id) : 0) == pEvents->event) { |
2876 | return 1; /* don't send, but pretend we did */ |
2877 | } |
2878 | pEvents->detail = NotifyHint1; |
2879 | } |
2880 | else { |
2881 | pEvents->detail = NotifyNormal0; |
2882 | } |
2883 | } |
2884 | return 0; |
2885 | } |
2886 | |
2887 | void |
2888 | CheckDeviceGrabAndHintWindow(WindowPtr pWin, int type, |
2889 | deviceKeyButtonPointer *xE, GrabPtr grab, |
2890 | ClientPtr client, Mask deliveryMask) |
2891 | { |
2892 | DeviceIntPtr dev; |
2893 | |
2894 | dixLookupDevice(&dev, xE->deviceid & DEVICE_BITS0x7F, serverClient, |
2895 | DixGrabAccess(1<<17)); |
2896 | if (!dev) |
2897 | return; |
2898 | |
2899 | if (type == DeviceMotionNotify) |
2900 | dev->valuator->motionHintWindow = pWin; |
2901 | else if ((type == DeviceButtonPress) && (!grab) && |
2902 | (deliveryMask & DeviceButtonGrabMask)) { |
2903 | GrabPtr tempGrab; |
2904 | |
2905 | tempGrab = AllocGrab(NULL((void*)0)); |
2906 | if (!tempGrab) |
2907 | return; |
2908 | |
2909 | tempGrab->device = dev; |
2910 | tempGrab->resource = client->clientAsMask; |
2911 | tempGrab->window = pWin; |
2912 | tempGrab->ownerEvents = |
2913 | (deliveryMask & DeviceOwnerGrabButtonMask) ? TRUE1 : FALSE0; |
2914 | tempGrab->eventMask = deliveryMask; |
2915 | tempGrab->keyboardMode = GrabModeAsync1; |
2916 | tempGrab->pointerMode = GrabModeAsync1; |
2917 | tempGrab->confineTo = NullWindow((WindowPtr) 0); |
2918 | tempGrab->cursor = NullCursor((CursorPtr)((void*)0)); |
2919 | tempGrab->next = NULL((void*)0); |
2920 | (*dev->deviceGrab.ActivateGrab) (dev, tempGrab, currentTime, TRUE1); |
2921 | FreeGrab(tempGrab); |
2922 | } |
2923 | } |
2924 | |
2925 | static Mask |
2926 | DeviceEventMaskForClient(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client) |
2927 | { |
2928 | InputClientsPtr other; |
2929 | |
2930 | if (!wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))) |
2931 | return 0; |
2932 | for (other = wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))->inputClients; other; |
2933 | other = other->next) { |
2934 | if (SameClient(other, client)((((other)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) |
2935 | return other->mask[dev->id]; |
2936 | } |
2937 | return 0; |
2938 | } |
2939 | |
2940 | void |
2941 | MaybeStopDeviceHint(DeviceIntPtr dev, ClientPtr client) |
2942 | { |
2943 | WindowPtr pWin; |
2944 | GrabPtr grab = dev->deviceGrab.grab; |
2945 | |
2946 | pWin = dev->valuator->motionHintWindow; |
2947 | |
2948 | if ((grab && SameClient(grab, client)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask) && |
2949 | ((grab->eventMask & DevicePointerMotionHintMask) || |
2950 | (grab->ownerEvents && |
2951 | (DeviceEventMaskForClient(dev, pWin, client) & |
2952 | DevicePointerMotionHintMask)))) || |
2953 | (!grab && |
2954 | (DeviceEventMaskForClient(dev, pWin, client) & |
2955 | DevicePointerMotionHintMask))) |
2956 | dev->valuator->motionHintWindow = NullWindow((WindowPtr) 0); |
2957 | } |
2958 | |
2959 | int |
2960 | DeviceEventSuppressForWindow(WindowPtr pWin, ClientPtr client, Mask mask, |
2961 | int maskndx) |
2962 | { |
2963 | struct _OtherInputMasks *inputMasks = wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0)); |
2964 | |
2965 | if (mask & ~PropagateMask[maskndx]) { |
2966 | client->errorValue = mask; |
2967 | return BadValue2; |
2968 | } |
2969 | |
2970 | if (mask == 0) { |
2971 | if (inputMasks) |
2972 | inputMasks->dontPropagateMask[maskndx] = mask; |
2973 | } |
2974 | else { |
2975 | if (!inputMasks) |
2976 | AddExtensionClient(pWin, client, 0, 0); |
2977 | inputMasks = wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0)); |
2978 | inputMasks->dontPropagateMask[maskndx] = mask; |
2979 | } |
2980 | RecalculateDeviceDeliverableEvents(pWin); |
2981 | if (ShouldFreeInputMasks(pWin, FALSE0)) |
2982 | FreeResource(inputMasks->inputClients->resource, RT_NONE((RESTYPE)0)); |
2983 | return Success0; |
2984 | } |
2985 | |
2986 | Bool |
2987 | ShouldFreeInputMasks(WindowPtr pWin, Bool ignoreSelectedEvents) |
2988 | { |
2989 | int i; |
2990 | Mask allInputEventMasks = 0; |
2991 | struct _OtherInputMasks *inputMasks = wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0)); |
2992 | |
2993 | for (i = 0; i < EMASKSIZE(40 + 2); i++) |
2994 | allInputEventMasks |= inputMasks->dontPropagateMask[i]; |
2995 | if (!ignoreSelectedEvents) |
2996 | for (i = 0; i < EMASKSIZE(40 + 2); i++) |
2997 | allInputEventMasks |= inputMasks->inputEvents[i]; |
2998 | if (allInputEventMasks == 0) |
2999 | return TRUE1; |
3000 | else |
3001 | return FALSE0; |
3002 | } |
3003 | |
3004 | /*********************************************************************** |
3005 | * |
3006 | * Walk through the window tree, finding all clients that want to know |
3007 | * about the Event. |
3008 | * |
3009 | */ |
3010 | |
3011 | static void |
3012 | FindInterestedChildren(DeviceIntPtr dev, WindowPtr p1, Mask mask, |
3013 | xEvent *ev, int count) |
3014 | { |
3015 | WindowPtr p2; |
3016 | |
3017 | while (p1) { |
3018 | p2 = p1->firstChild; |
3019 | DeliverEventsToWindow(dev, p1, ev, count, mask, NullGrab((GrabPtr)((void*)0))); |
3020 | FindInterestedChildren(dev, p2, mask, ev, count); |
3021 | p1 = p1->nextSib; |
3022 | } |
3023 | } |
3024 | |
3025 | /*********************************************************************** |
3026 | * |
3027 | * Send an event to interested clients in all windows on all screens. |
3028 | * |
3029 | */ |
3030 | |
3031 | void |
3032 | SendEventToAllWindows(DeviceIntPtr dev, Mask mask, xEvent *ev, int count) |
3033 | { |
3034 | int i; |
3035 | WindowPtr pWin, p1; |
3036 | |
3037 | for (i = 0; i < screenInfo.numScreens; i++) { |
3038 | pWin = screenInfo.screens[i]->root; |
3039 | if (!pWin) |
3040 | continue; |
3041 | DeliverEventsToWindow(dev, pWin, ev, count, mask, NullGrab((GrabPtr)((void*)0))); |
3042 | p1 = pWin->firstChild; |
3043 | FindInterestedChildren(dev, p1, mask, ev, count); |
3044 | } |
3045 | } |
3046 | |
3047 | /** |
3048 | * Set the XI2 mask for the given client on the given window. |
3049 | * @param dev The device to set the mask for. |
3050 | * @param win The window to set the mask on. |
3051 | * @param client The client setting the mask. |
3052 | * @param len Number of bytes in mask. |
3053 | * @param mask Event mask in the form of (1 << eventtype) |
3054 | */ |
3055 | int |
3056 | XISetEventMask(DeviceIntPtr dev, WindowPtr win, ClientPtr client, |
3057 | unsigned int len, unsigned char *mask) |
3058 | { |
3059 | OtherInputMasks *masks; |
3060 | InputClientsPtr others = NULL((void*)0); |
3061 | |
3062 | masks = wOtherInputMasks(win)((win)->optional ? (win)->optional->inputMasks : ((void *)0)); |
3063 | if (masks) { |
3064 | for (others = wOtherInputMasks(win)((win)->optional ? (win)->optional->inputMasks : ((void *)0))->inputClients; others; |
3065 | others = others->next) { |
3066 | if (SameClient(others, client)((((others)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) { |
3067 | xi2mask_zero(others->xi2mask, dev->id); |
3068 | break; |
3069 | } |
3070 | } |
3071 | } |
3072 | |
3073 | if (len && !others) { |
3074 | if (AddExtensionClient(win, client, 0, 0) != Success0) |
3075 | return BadAlloc11; |
3076 | others = wOtherInputMasks(win)((win)->optional ? (win)->optional->inputMasks : ((void *)0))->inputClients; |
3077 | } |
3078 | |
3079 | if (others) { |
3080 | xi2mask_zero(others->xi2mask, dev->id); |
3081 | len = min(len, xi2mask_mask_size(others->xi2mask))(((len) < (xi2mask_mask_size(others->xi2mask))) ? (len) : (xi2mask_mask_size(others->xi2mask))); |
3082 | } |
3083 | |
3084 | if (len) { |
3085 | xi2mask_set_one_mask(others->xi2mask, dev->id, mask, len); |
3086 | } |
3087 | |
3088 | RecalculateDeviceDeliverableEvents(win); |
3089 | |
3090 | return Success0; |
3091 | } |