File: | Xi/exevents.c |
Location: | line 978, column 5 |
Description: | Access to field 'inputClients' results in a dereference of a null pointer |
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 | OsBlockSIGIO(); | ||
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 | OsReleaseSIGIO(); | ||
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) { | ||
Within the expansion of the macro 'nt_list_for_each_entry':
| |||
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))); | ||
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 | nevents = TouchConvertToPointerEvent(ev, &motion, &button); | ||
1383 | 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", 1383, __func__); if (0 ) ErrorFSigSafe(((void*)0)); xorg_backtrace(); } } while(0); return (2); } } while(0); | ||
1384 | |||
1385 | if (nevents > 1) | ||
1386 | ptrev = &button; | ||
1387 | |||
1388 | kbd = GetMaster(dev, KEYBOARD_OR_FLOAT5); | ||
1389 | event_set_state(dev, kbd, &ptrev->device_event); | ||
1390 | ptrev->device_event.corestate = event_get_corestate(dev, kbd); | ||
1391 | |||
1392 | if (grab) { | ||
1393 | /* this side-steps the usual activation mechanisms, but... */ | ||
1394 | if (ev->any.type == ET_TouchBegin && !dev->deviceGrab.grab) | ||
1395 | ActivatePassiveGrab(dev, grab, ptrev, ev); /* also delivers the event */ | ||
1396 | else { | ||
1397 | int deliveries = 0; | ||
1398 | |||
1399 | /* 'grab' is the passive grab, but if the grab isn't active, | ||
1400 | * don't deliver */ | ||
1401 | if (!dev->deviceGrab.grab) | ||
1402 | return !Success0; | ||
1403 | |||
1404 | if (grab->ownerEvents) { | ||
1405 | WindowPtr focus = NullWindow((WindowPtr) 0); | ||
1406 | WindowPtr sprite_win = DeepestSpriteWin(dev->spriteInfo->sprite); | ||
1407 | |||
1408 | deliveries = DeliverDeviceEvents(sprite_win, ptrev, grab, focus, dev); | ||
1409 | } | ||
1410 | |||
1411 | if (!deliveries) | ||
1412 | deliveries = DeliverOneGrabbedEvent(ptrev, dev, grab->grabtype); | ||
1413 | |||
1414 | /* We must accept the touch sequence once a pointer listener has | ||
1415 | * received one event past ButtonPress. */ | ||
1416 | if (deliveries && ev->any.type != ET_TouchBegin && | ||
1417 | !(ev->device_event.flags & TOUCH_CLIENT_ID(1 << 3))) | ||
1418 | TouchListenerAcceptReject(dev, ti, 0, XIAcceptTouch6); | ||
1419 | |||
1420 | if (ev->any.type == ET_TouchEnd && | ||
1421 | ti->num_listeners == 1 && | ||
1422 | !dev->button->buttonsDown && | ||
1423 | dev->deviceGrab.fromPassiveGrab && GrabIsPointerGrab(grab)) { | ||
1424 | (*dev->deviceGrab.DeactivateGrab) (dev); | ||
1425 | CheckOldestTouch(dev); | ||
1426 | return Success0; | ||
1427 | } | ||
1428 | } | ||
1429 | } | ||
1430 | else { | ||
1431 | GrabPtr devgrab = dev->deviceGrab.grab; | ||
1432 | WindowPtr sprite_win = DeepestSpriteWin(dev->spriteInfo->sprite); | ||
1433 | |||
1434 | DeliverDeviceEvents(sprite_win, ptrev, grab, win, dev); | ||
1435 | /* FIXME: bad hack | ||
1436 | * Implicit passive grab activated in response to this event. Store | ||
1437 | * the event. | ||
1438 | */ | ||
1439 | if (!devgrab && dev->deviceGrab.grab && dev->deviceGrab.implicitGrab) { | ||
1440 | TouchListener *l; | ||
1441 | GrabPtr g; | ||
1442 | |||
1443 | devgrab = dev->deviceGrab.grab; | ||
1444 | g = AllocGrab(devgrab); | ||
1445 | BUG_WARN(!g)do { if (!g) { ErrorFSigSafe("BUG: triggered 'if (" "!g" ")'\n" ); ErrorFSigSafe("BUG: %s:%u in %s()\n", "exevents.c", 1445, __func__ ); if (0) ErrorFSigSafe(((void*)0)); xorg_backtrace(); } } while (0); | ||
1446 | |||
1447 | *dev->deviceGrab.sync.event = ev->device_event; | ||
1448 | |||
1449 | /* The listener array has a sequence of grabs and then one event | ||
1450 | * selection. Implicit grab activation occurs through delivering an | ||
1451 | * event selection. Thus, we update the last listener in the array. | ||
1452 | */ | ||
1453 | l = &ti->listeners[ti->num_listeners - 1]; | ||
1454 | l->listener = g->resource; | ||
1455 | l->grab = g; | ||
1456 | //l->resource_type = RT_NONE; | ||
1457 | |||
1458 | if (devgrab->grabtype != XI2 || devgrab->type != XI_TouchBegin18) | ||
1459 | l->type = LISTENER_POINTER_GRAB; | ||
1460 | else | ||
1461 | l->type = LISTENER_GRAB; | ||
1462 | } | ||
1463 | |||
1464 | } | ||
1465 | if (ev->any.type == ET_TouchBegin) | ||
1466 | listener->state = LISTENER_IS_OWNER; | ||
1467 | else if (ev->any.type == ET_TouchEnd) | ||
1468 | listener->state = LISTENER_HAS_END; | ||
1469 | |||
1470 | return Success0; | ||
1471 | } | ||
1472 | |||
1473 | static void | ||
1474 | DeliverEmulatedMotionEvent(DeviceIntPtr dev, TouchPointInfoPtr ti, | ||
1475 | InternalEvent *ev) | ||
1476 | { | ||
1477 | DeviceEvent motion; | ||
1478 | |||
1479 | if (ti->num_listeners) { | ||
1480 | ClientPtr client; | ||
1481 | WindowPtr win; | ||
1482 | GrabPtr grab; | ||
1483 | XI2Mask *mask; | ||
1484 | |||
1485 | if (ti->listeners[0].type != LISTENER_POINTER_REGULAR && | ||
1486 | ti->listeners[0].type != LISTENER_POINTER_GRAB) | ||
1487 | return; | ||
1488 | |||
1489 | motion = ev->device_event; | ||
1490 | motion.type = ET_TouchUpdate; | ||
1491 | motion.detail.button = 0; | ||
1492 | |||
1493 | if (!RetrieveTouchDeliveryData(dev, ti, (InternalEvent*)&motion, | ||
1494 | &ti->listeners[0], &client, &win, &grab, | ||
1495 | &mask)) | ||
1496 | return; | ||
1497 | |||
1498 | /* There may be a pointer grab on the device */ | ||
1499 | if (!grab) { | ||
1500 | grab = dev->deviceGrab.grab; | ||
1501 | if (grab) { | ||
1502 | win = grab->window; | ||
1503 | mask = grab->xi2mask; | ||
1504 | client = rClient(grab)(clients[((int)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]); | ||
1505 | } | ||
1506 | } | ||
1507 | |||
1508 | DeliverTouchEmulatedEvent(dev, ti, (InternalEvent*)&motion, &ti->listeners[0], client, | ||
1509 | win, grab, mask); | ||
1510 | } | ||
1511 | else { | ||
1512 | InternalEvent button; | ||
1513 | int converted; | ||
1514 | |||
1515 | converted = TouchConvertToPointerEvent(ev, (InternalEvent*)&motion, &button); | ||
1516 | |||
1517 | BUG_WARN(converted == 0)do { if (converted == 0) { ErrorFSigSafe("BUG: triggered 'if (" "converted == 0" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n" , "exevents.c", 1517, __func__); if (0) ErrorFSigSafe(((void* )0)); xorg_backtrace(); } } while(0); | ||
1518 | if (converted) | ||
1519 | ProcessOtherEvent((InternalEvent*)&motion, dev); | ||
1520 | } | ||
1521 | } | ||
1522 | |||
1523 | /** | ||
1524 | * Processes and delivers a TouchBegin, TouchUpdate, or a | ||
1525 | * TouchEnd event. | ||
1526 | * | ||
1527 | * Due to having rather different delivery semantics (see the Xi 2.2 protocol | ||
1528 | * spec for more information), this implements its own grab and event-selection | ||
1529 | * delivery logic. | ||
1530 | */ | ||
1531 | static void | ||
1532 | ProcessTouchEvent(InternalEvent *ev, DeviceIntPtr dev) | ||
1533 | { | ||
1534 | TouchClassPtr t = dev->touch; | ||
1535 | TouchPointInfoPtr ti; | ||
1536 | uint32_t touchid; | ||
1537 | int type = ev->any.type; | ||
1538 | int emulate_pointer = ! !(ev->device_event.flags & TOUCH_POINTER_EMULATED(1 << 5)); | ||
1539 | DeviceIntPtr kbd; | ||
1540 | |||
1541 | if (!t) | ||
1542 | return; | ||
1543 | |||
1544 | touchid = ev->device_event.touchid; | ||
1545 | |||
1546 | if (type == ET_TouchBegin && !(ev->device_event.flags & TOUCH_REPLAYING(1 << 4))) { | ||
1547 | ti = TouchBeginTouch(dev, ev->device_event.sourceid, touchid, | ||
1548 | emulate_pointer); | ||
1549 | } | ||
1550 | else | ||
1551 | ti = TouchFindByClientID(dev, touchid); | ||
1552 | |||
1553 | /* Active pointer grab */ | ||
1554 | if (emulate_pointer && dev->deviceGrab.grab && !dev->deviceGrab.fromPassiveGrab && | ||
1555 | (dev->deviceGrab.grab->grabtype == CORE || | ||
1556 | dev->deviceGrab.grab->grabtype == XI || | ||
1557 | !xi2mask_isset(dev->deviceGrab.grab->xi2mask, dev, XI_TouchBegin18))) | ||
1558 | { | ||
1559 | /* Active pointer grab on touch point and we get a TouchEnd - claim this | ||
1560 | * touchpoint accepted, otherwise clients waiting for ownership will | ||
1561 | * wait on this touchpoint until this client ungrabs, or the cows come | ||
1562 | * home, whichever is earlier */ | ||
1563 | if (ti && type == ET_TouchEnd) | ||
1564 | TouchListenerAcceptReject(dev, ti, 0, XIAcceptTouch6); | ||
1565 | else if (!ti && type != ET_TouchBegin) { | ||
1566 | /* Under the following circumstances we create a new touch record for an | ||
1567 | * existing touch: | ||
1568 | * | ||
1569 | * - The touch may be pointer emulated | ||
1570 | * - An explicit grab is active on the device | ||
1571 | * - The grab is a pointer grab | ||
1572 | * | ||
1573 | * This allows for an explicit grab to receive pointer events for an already | ||
1574 | * active touch. | ||
1575 | */ | ||
1576 | ti = TouchBeginTouch(dev, ev->device_event.sourceid, touchid, | ||
1577 | emulate_pointer); | ||
1578 | if (!ti) { | ||
1579 | DebugF("[Xi] %s: Failed to create new dix record for explicitly " | ||
1580 | "grabbed touchpoint %d\n", | ||
1581 | dev->name, touchid); | ||
1582 | return; | ||
1583 | } | ||
1584 | |||
1585 | TouchBuildSprite(dev, ti, ev); | ||
1586 | TouchSetupListeners(dev, ti, ev); | ||
1587 | } | ||
1588 | } | ||
1589 | |||
1590 | if (!ti) { | ||
1591 | DebugF("[Xi] %s: Failed to get event %d for touchpoint %d\n", | ||
1592 | dev->name, type, touchid); | ||
1593 | goto out; | ||
1594 | } | ||
1595 | |||
1596 | /* if emulate_pointer is set, emulate the motion event right | ||
1597 | * here, so we can ignore it for button event emulation. TouchUpdate | ||
1598 | * events which _only_ emulate motion just work normally */ | ||
1599 | if (emulate_pointer && ev->any.type != ET_TouchUpdate) | ||
1600 | DeliverEmulatedMotionEvent(dev, ti, ev); | ||
1601 | |||
1602 | if (emulate_pointer && IsMaster(dev)) | ||
1603 | CheckMotion(&ev->device_event, dev); | ||
1604 | |||
1605 | kbd = GetMaster(dev, KEYBOARD_OR_FLOAT5); | ||
1606 | event_set_state(NULL((void*)0), kbd, &ev->device_event); | ||
1607 | ev->device_event.corestate = event_get_corestate(NULL((void*)0), kbd); | ||
1608 | |||
1609 | /* Make sure we have a valid window trace for event delivery; must be | ||
1610 | * called after event type mutation. Touch end events are always processed | ||
1611 | * in order to end touch records. */ | ||
1612 | /* FIXME: check this */ | ||
1613 | if ((type == ET_TouchBegin && | ||
1614 | !(ev->device_event.flags & TOUCH_REPLAYING(1 << 4)) && | ||
1615 | !TouchBuildSprite(dev, ti, ev)) || | ||
1616 | (type != ET_TouchEnd && ti->sprite.spriteTraceGood == 0)) | ||
1617 | return; | ||
1618 | |||
1619 | TouchCopyValuatorData(&ev->device_event, ti); | ||
1620 | /* WARNING: the event type may change to TouchUpdate in | ||
1621 | * DeliverTouchEvents if a TouchEnd was delivered to a grabbing | ||
1622 | * owner */ | ||
1623 | DeliverTouchEvents(dev, ti, ev, ev->device_event.resource); | ||
1624 | if (ev->any.type == ET_TouchEnd) | ||
1625 | TouchEndTouch(dev, ti); | ||
1626 | |||
1627 | out: | ||
1628 | if (emulate_pointer) | ||
1629 | UpdateDeviceState(dev, &ev->device_event); | ||
1630 | } | ||
1631 | |||
1632 | static void | ||
1633 | ProcessBarrierEvent(InternalEvent *e, DeviceIntPtr dev) | ||
1634 | { | ||
1635 | Mask filter; | ||
1636 | WindowPtr pWin; | ||
1637 | BarrierEvent *be = &e->barrier_event; | ||
1638 | xEvent *ev; | ||
1639 | int rc; | ||
1640 | GrabPtr grab = dev->deviceGrab.grab; | ||
1641 | |||
1642 | if (!IsMaster(dev)) | ||
1643 | return; | ||
1644 | |||
1645 | if (dixLookupWindow(&pWin, be->window, serverClient, DixReadAccess(1<<0)) != Success0) | ||
1646 | return; | ||
1647 | |||
1648 | if (grab) | ||
1649 | be->flags |= XIBarrierDeviceIsGrabbed(1 << 1); | ||
1650 | |||
1651 | rc = EventToXI2(e, &ev); | ||
1652 | if (rc != Success0) { | ||
1653 | ErrorF("[Xi] event conversion from %s failed with code %d\n", __func__, rc); | ||
1654 | return; | ||
1655 | } | ||
1656 | |||
1657 | /* A client has a grab, deliver to this client if the grab_window is the | ||
1658 | barrier window. | ||
1659 | |||
1660 | Otherwise, deliver normally to the client. | ||
1661 | */ | ||
1662 | if (grab && | ||
1663 | 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()))) && | ||
1664 | grab->window->drawable.id == be->window) { | ||
1665 | DeliverGrabbedEvent(e, dev, FALSE0); | ||
1666 | } else { | ||
1667 | filter = GetEventFilter(dev, ev); | ||
1668 | |||
1669 | DeliverEventsToWindow(dev, pWin, ev, 1, | ||
1670 | filter, NullGrab((GrabPtr)((void*)0))); | ||
1671 | } | ||
1672 | free(ev); | ||
1673 | } | ||
1674 | |||
1675 | /** | ||
1676 | * Process DeviceEvents and DeviceChangedEvents. | ||
1677 | */ | ||
1678 | static void | ||
1679 | ProcessDeviceEvent(InternalEvent *ev, DeviceIntPtr device) | ||
1680 | { | ||
1681 | GrabPtr grab; | ||
1682 | Bool deactivateDeviceGrab = FALSE0; | ||
1683 | int key = 0, rootX, rootY; | ||
1684 | ButtonClassPtr b; | ||
1685 | int ret = 0; | ||
1686 | int corestate; | ||
1687 | DeviceIntPtr mouse = NULL((void*)0), kbd = NULL((void*)0); | ||
1688 | DeviceEvent *event = &ev->device_event; | ||
1689 | |||
1690 | if (IsPointerDevice(device)) { | ||
1691 | kbd = GetMaster(device, KEYBOARD_OR_FLOAT5); | ||
1692 | mouse = device; | ||
1693 | if (!kbd->key) /* can happen with floating SDs */ | ||
1694 | kbd = NULL((void*)0); | ||
1695 | } | ||
1696 | else { | ||
1697 | mouse = GetMaster(device, POINTER_OR_FLOAT6); | ||
1698 | kbd = device; | ||
1699 | if (!mouse->valuator || !mouse->button) /* may be float. SDs */ | ||
1700 | mouse = NULL((void*)0); | ||
1701 | } | ||
1702 | |||
1703 | corestate = event_get_corestate(mouse, kbd); | ||
1704 | event_set_state(mouse, kbd, event); | ||
1705 | |||
1706 | ret = UpdateDeviceState(device, event); | ||
1707 | if (ret == DONT_PROCESS1) | ||
1708 | return; | ||
1709 | |||
1710 | b = device->button; | ||
1711 | |||
1712 | if (IsMaster(device) || IsFloating(device)) | ||
1713 | CheckMotion(event, device); | ||
1714 | |||
1715 | switch (event->type) { | ||
1716 | case ET_Motion: | ||
1717 | case ET_ButtonPress: | ||
1718 | case ET_ButtonRelease: | ||
1719 | case ET_KeyPress: | ||
1720 | case ET_KeyRelease: | ||
1721 | case ET_ProximityIn: | ||
1722 | case ET_ProximityOut: | ||
1723 | GetSpritePosition(device, &rootX, &rootY); | ||
1724 | event->root_x = rootX; | ||
1725 | event->root_y = rootY; | ||
1726 | NoticeEventTime((InternalEvent *) event, device); | ||
1727 | event->corestate = corestate; | ||
1728 | key = event->detail.key; | ||
1729 | break; | ||
1730 | default: | ||
1731 | break; | ||
1732 | } | ||
1733 | |||
1734 | /* send KeyPress and KeyRelease events to XACE plugins */ | ||
1735 | if (XaceHookIsSet(XACE_KEY_AVAIL14) && | ||
1736 | (event->type == ET_KeyPress || event->type == ET_KeyRelease)) { | ||
1737 | xEvent *core; | ||
1738 | int count; | ||
1739 | |||
1740 | if (EventToCore(ev, &core, &count) == Success0 && count > 0) { | ||
1741 | XaceHook(XACE_KEY_AVAIL14, core, device, 0); | ||
1742 | free(core); | ||
1743 | } | ||
1744 | } | ||
1745 | |||
1746 | if (DeviceEventCallback && !syncEvents.playingEvents) { | ||
1747 | DeviceEventInfoRec eventinfo; | ||
1748 | SpritePtr pSprite = device->spriteInfo->sprite; | ||
1749 | |||
1750 | /* see comment in EnqueueEvents regarding the next three lines */ | ||
1751 | if (ev->any.type == ET_Motion) | ||
1752 | ev->device_event.root = pSprite->hotPhys.pScreen->root->drawable.id; | ||
1753 | |||
1754 | eventinfo.device = device; | ||
1755 | eventinfo.event = ev; | ||
1756 | CallCallbacks(&DeviceEventCallback, (void *) &eventinfo); | ||
1757 | } | ||
1758 | |||
1759 | grab = device->deviceGrab.grab; | ||
1760 | |||
1761 | switch (event->type) { | ||
1762 | case ET_KeyPress: | ||
1763 | if (!grab && CheckDeviceGrabs(device, event, 0)) | ||
1764 | return; | ||
1765 | break; | ||
1766 | case ET_KeyRelease: | ||
1767 | if (grab && device->deviceGrab.fromPassiveGrab && | ||
1768 | (key == device->deviceGrab.activatingKey) && | ||
1769 | GrabIsKeyboardGrab(device->deviceGrab.grab)) | ||
1770 | deactivateDeviceGrab = TRUE1; | ||
1771 | break; | ||
1772 | case ET_ButtonPress: | ||
1773 | if (b->map[key] == 0) /* there's no button 0 */ | ||
1774 | return; | ||
1775 | event->detail.button = b->map[key]; | ||
1776 | if (!grab && CheckDeviceGrabs(device, event, 0)) { | ||
1777 | /* if a passive grab was activated, the event has been sent | ||
1778 | * already */ | ||
1779 | return; | ||
1780 | } | ||
1781 | break; | ||
1782 | case ET_ButtonRelease: | ||
1783 | if (b->map[key] == 0) /* there's no button 0 */ | ||
1784 | return; | ||
1785 | event->detail.button = b->map[key]; | ||
1786 | if (grab && !b->buttonsDown && | ||
1787 | device->deviceGrab.fromPassiveGrab && | ||
1788 | GrabIsPointerGrab(device->deviceGrab.grab)) | ||
1789 | deactivateDeviceGrab = TRUE1; | ||
1790 | default: | ||
1791 | break; | ||
1792 | } | ||
1793 | |||
1794 | if (grab) | ||
1795 | DeliverGrabbedEvent((InternalEvent *) event, device, | ||
1796 | deactivateDeviceGrab); | ||
1797 | else if (device->focus && !IsPointerEvent(ev)) | ||
1798 | DeliverFocusedEvent(device, (InternalEvent *) event, | ||
1799 | GetSpriteWindow(device)); | ||
1800 | else | ||
1801 | DeliverDeviceEvents(GetSpriteWindow(device), (InternalEvent *) event, | ||
1802 | NullGrab((GrabPtr)((void*)0)), NullWindow((WindowPtr) 0), device); | ||
1803 | |||
1804 | if (deactivateDeviceGrab == TRUE1) { | ||
1805 | (*device->deviceGrab.DeactivateGrab) (device); | ||
1806 | |||
1807 | if (!IsMaster (device) && !IsFloating (device)) { | ||
1808 | int flags, num_events = 0; | ||
1809 | InternalEvent dce; | ||
1810 | |||
1811 | flags = (IsPointerDevice (device)) ? | ||
1812 | DEVCHANGE_POINTER_EVENT0x4 : DEVCHANGE_KEYBOARD_EVENT0x8; | ||
1813 | UpdateFromMaster (&dce, device, flags, &num_events); | ||
1814 | 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", 1814, __func__); if (0) ErrorFSigSafe(((void* )0)); xorg_backtrace(); } } while(0); | ||
1815 | |||
1816 | if (num_events == 1) | ||
1817 | ChangeMasterDeviceClasses(GetMaster (device, MASTER_ATTACHED4), | ||
1818 | &dce.changed_event); | ||
1819 | } | ||
1820 | |||
1821 | } | ||
1822 | |||
1823 | event->detail.key = key; | ||
1824 | } | ||
1825 | |||
1826 | /** | ||
1827 | * Main device event processing function. | ||
1828 | * Called from when processing the events from the event queue. | ||
1829 | * | ||
1830 | */ | ||
1831 | void | ||
1832 | ProcessOtherEvent(InternalEvent *ev, DeviceIntPtr device) | ||
1833 | { | ||
1834 | verify_internal_event(ev); | ||
1835 | |||
1836 | switch (ev->any.type) { | ||
1837 | case ET_RawKeyPress: | ||
1838 | case ET_RawKeyRelease: | ||
1839 | case ET_RawButtonPress: | ||
1840 | case ET_RawButtonRelease: | ||
1841 | case ET_RawMotion: | ||
1842 | case ET_RawTouchBegin: | ||
1843 | case ET_RawTouchUpdate: | ||
1844 | case ET_RawTouchEnd: | ||
1845 | DeliverRawEvent(&ev->raw_event, device); | ||
1846 | break; | ||
1847 | case ET_TouchBegin: | ||
1848 | case ET_TouchUpdate: | ||
1849 | case ET_TouchEnd: | ||
1850 | ProcessTouchEvent(ev, device); | ||
1851 | break; | ||
1852 | case ET_TouchOwnership: | ||
1853 | /* TouchOwnership events are handled separately from the rest, as they | ||
1854 | * have more complex semantics. */ | ||
1855 | ProcessTouchOwnershipEvent(&ev->touch_ownership_event, device); | ||
1856 | break; | ||
1857 | case ET_BarrierHit: | ||
1858 | case ET_BarrierLeave: | ||
1859 | ProcessBarrierEvent(ev, device); | ||
1860 | break; | ||
1861 | default: | ||
1862 | ProcessDeviceEvent(ev, device); | ||
1863 | break; | ||
1864 | } | ||
1865 | } | ||
1866 | |||
1867 | static int | ||
1868 | DeliverTouchBeginEvent(DeviceIntPtr dev, TouchPointInfoPtr ti, | ||
1869 | InternalEvent *ev, TouchListener * listener, | ||
1870 | ClientPtr client, WindowPtr win, GrabPtr grab, | ||
1871 | XI2Mask *xi2mask) | ||
1872 | { | ||
1873 | enum TouchListenerState state; | ||
1874 | int rc = Success0; | ||
1875 | Bool has_ownershipmask; | ||
1876 | |||
1877 | if (listener->type == LISTENER_POINTER_REGULAR || | ||
1878 | listener->type == LISTENER_POINTER_GRAB) { | ||
1879 | rc = DeliverTouchEmulatedEvent(dev, ti, ev, listener, client, win, | ||
1880 | grab, xi2mask); | ||
1881 | if (rc == Success0) { | ||
1882 | listener->state = LISTENER_IS_OWNER; | ||
1883 | /* async grabs cannot replay, so automatically accept this touch */ | ||
1884 | if (listener->type == LISTENER_POINTER_GRAB && | ||
1885 | dev->deviceGrab.grab && | ||
1886 | dev->deviceGrab.fromPassiveGrab && | ||
1887 | dev->deviceGrab.grab->pointerMode == GrabModeAsync1) | ||
1888 | ActivateEarlyAccept(dev, ti); | ||
1889 | } | ||
1890 | goto out; | ||
1891 | } | ||
1892 | |||
1893 | has_ownershipmask = xi2mask_isset(xi2mask, dev, XI_TouchOwnership21); | ||
1894 | |||
1895 | if (TouchResourceIsOwner(ti, listener->listener) || has_ownershipmask) | ||
1896 | rc = DeliverOneTouchEvent(client, dev, ti, grab, win, ev); | ||
1897 | if (!TouchResourceIsOwner(ti, listener->listener)) { | ||
1898 | if (has_ownershipmask) | ||
1899 | state = LISTENER_AWAITING_OWNER; | ||
1900 | else | ||
1901 | state = LISTENER_AWAITING_BEGIN; | ||
1902 | } | ||
1903 | else { | ||
1904 | if (has_ownershipmask) | ||
1905 | TouchSendOwnershipEvent(dev, ti, 0, listener->listener); | ||
1906 | |||
1907 | if (listener->type == LISTENER_REGULAR) | ||
1908 | state = LISTENER_HAS_ACCEPTED; | ||
1909 | else | ||
1910 | state = LISTENER_IS_OWNER; | ||
1911 | } | ||
1912 | listener->state = state; | ||
1913 | |||
1914 | out: | ||
1915 | return rc; | ||
1916 | } | ||
1917 | |||
1918 | static int | ||
1919 | DeliverTouchEndEvent(DeviceIntPtr dev, TouchPointInfoPtr ti, InternalEvent *ev, | ||
1920 | TouchListener * listener, ClientPtr client, | ||
1921 | WindowPtr win, GrabPtr grab, XI2Mask *xi2mask) | ||
1922 | { | ||
1923 | int rc = Success0; | ||
1924 | |||
1925 | if (listener->type == LISTENER_POINTER_REGULAR || | ||
1926 | listener->type == LISTENER_POINTER_GRAB) { | ||
1927 | /* Note: If the active grab was ungrabbed, we already changed the | ||
1928 | * state to LISTENER_HAS_END but still get here. So we mustn't | ||
1929 | * actually send the event. | ||
1930 | * This is part two of the hack in DeactivatePointerGrab | ||
1931 | */ | ||
1932 | if (listener->state != LISTENER_HAS_END) { | ||
1933 | rc = DeliverTouchEmulatedEvent(dev, ti, ev, listener, client, win, | ||
1934 | grab, xi2mask); | ||
1935 | |||
1936 | /* Once we send a TouchEnd to a legacy listener, we're already well | ||
1937 | * past the accepting/rejecting stage (can only happen on | ||
1938 | * GrabModeSync + replay. This listener now gets the end event, | ||
1939 | * and we can continue. | ||
1940 | */ | ||
1941 | if (rc == Success0) | ||
1942 | listener->state = LISTENER_HAS_END; | ||
1943 | } | ||
1944 | goto out; | ||
1945 | } | ||
1946 | |||
1947 | /* A client is waiting for the begin, don't give it a TouchEnd */ | ||
1948 | if (listener->state == LISTENER_AWAITING_BEGIN) { | ||
1949 | listener->state = LISTENER_HAS_END; | ||
1950 | goto out; | ||
1951 | } | ||
1952 | |||
1953 | /* Event in response to reject */ | ||
1954 | if (ev->device_event.flags & TOUCH_REJECT(1 << 1) || | ||
1955 | (ev->device_event.flags & TOUCH_ACCEPT(1 << 0) && !TouchResourceIsOwner(ti, listener->listener))) { | ||
1956 | /* Touch has been rejected, or accepted by its owner which is not this listener */ | ||
1957 | if (listener->state != LISTENER_HAS_END) | ||
1958 | rc = DeliverOneTouchEvent(client, dev, ti, grab, win, ev); | ||
1959 | listener->state = LISTENER_HAS_END; | ||
1960 | } | ||
1961 | else if (TouchResourceIsOwner(ti, listener->listener)) { | ||
1962 | Bool normal_end = !(ev->device_event.flags & TOUCH_ACCEPT(1 << 0)); | ||
1963 | |||
1964 | /* FIXME: what about early acceptance */ | ||
1965 | if (normal_end && listener->state != LISTENER_HAS_END) | ||
1966 | rc = DeliverOneTouchEvent(client, dev, ti, grab, win, ev); | ||
1967 | |||
1968 | if ((ti->num_listeners > 1 || | ||
1969 | (ti->num_grabs > 0 && listener->state != LISTENER_HAS_ACCEPTED)) && | ||
1970 | (ev->device_event.flags & (TOUCH_ACCEPT(1 << 0) | TOUCH_REJECT(1 << 1))) == 0) { | ||
1971 | ev->any.type = ET_TouchUpdate; | ||
1972 | ev->device_event.flags |= TOUCH_PENDING_END(1 << 2); | ||
1973 | ti->pending_finish = TRUE1; | ||
1974 | } | ||
1975 | |||
1976 | if (normal_end) | ||
1977 | listener->state = LISTENER_HAS_END; | ||
1978 | } | ||
1979 | |||
1980 | out: | ||
1981 | return rc; | ||
1982 | } | ||
1983 | |||
1984 | static int | ||
1985 | DeliverTouchEvent(DeviceIntPtr dev, TouchPointInfoPtr ti, InternalEvent *ev, | ||
1986 | TouchListener * listener, ClientPtr client, | ||
1987 | WindowPtr win, GrabPtr grab, XI2Mask *xi2mask) | ||
1988 | { | ||
1989 | Bool has_ownershipmask = FALSE0; | ||
1990 | int rc = Success0; | ||
1991 | |||
1992 | if (xi2mask) | ||
1993 | has_ownershipmask = xi2mask_isset(xi2mask, dev, XI_TouchOwnership21); | ||
1994 | |||
1995 | if (ev->any.type == ET_TouchOwnership) { | ||
1996 | ev->touch_ownership_event.deviceid = dev->id; | ||
1997 | if (!TouchResourceIsOwner(ti, listener->listener)) | ||
1998 | goto out; | ||
1999 | rc = DeliverOneTouchEvent(client, dev, ti, grab, win, ev); | ||
2000 | listener->state = LISTENER_IS_OWNER; | ||
2001 | } | ||
2002 | else | ||
2003 | ev->device_event.deviceid = dev->id; | ||
2004 | |||
2005 | if (ev->any.type == ET_TouchBegin) { | ||
2006 | rc = DeliverTouchBeginEvent(dev, ti, ev, listener, client, win, grab, | ||
2007 | xi2mask); | ||
2008 | } | ||
2009 | else if (ev->any.type == ET_TouchUpdate) { | ||
2010 | if (listener->type == LISTENER_POINTER_REGULAR || | ||
2011 | listener->type == LISTENER_POINTER_GRAB) | ||
2012 | DeliverTouchEmulatedEvent(dev, ti, ev, listener, client, win, grab, | ||
2013 | xi2mask); | ||
2014 | else if (TouchResourceIsOwner(ti, listener->listener) || | ||
2015 | has_ownershipmask) | ||
2016 | rc = DeliverOneTouchEvent(client, dev, ti, grab, win, ev); | ||
2017 | } | ||
2018 | else if (ev->any.type == ET_TouchEnd) | ||
2019 | rc = DeliverTouchEndEvent(dev, ti, ev, listener, client, win, grab, | ||
2020 | xi2mask); | ||
2021 | |||
2022 | out: | ||
2023 | return rc; | ||
2024 | } | ||
2025 | |||
2026 | /** | ||
2027 | * Delivers a touch events to all interested clients. For TouchBegin events, | ||
2028 | * will update ti->listeners, ti->num_listeners, and ti->num_grabs. | ||
2029 | * May also mutate ev (type and flags) upon successful delivery. If | ||
2030 | * @resource is non-zero, will only attempt delivery to the owner of that | ||
2031 | * resource. | ||
2032 | * | ||
2033 | * @return TRUE if the event was delivered at least once, FALSE otherwise | ||
2034 | */ | ||
2035 | void | ||
2036 | DeliverTouchEvents(DeviceIntPtr dev, TouchPointInfoPtr ti, | ||
2037 | InternalEvent *ev, XID resource) | ||
2038 | { | ||
2039 | int i; | ||
2040 | |||
2041 | if (ev->any.type == ET_TouchBegin && | ||
2042 | !(ev->device_event.flags & (TOUCH_CLIENT_ID(1 << 3) | TOUCH_REPLAYING(1 << 4)))) | ||
2043 | TouchSetupListeners(dev, ti, ev); | ||
2044 | |||
2045 | TouchEventHistoryPush(ti, &ev->device_event); | ||
2046 | |||
2047 | for (i = 0; i < ti->num_listeners; i++) { | ||
2048 | GrabPtr grab = NULL((void*)0); | ||
2049 | ClientPtr client; | ||
2050 | WindowPtr win; | ||
2051 | XI2Mask *mask; | ||
2052 | TouchListener *listener = &ti->listeners[i]; | ||
2053 | |||
2054 | if (resource && listener->listener != resource) | ||
2055 | continue; | ||
2056 | |||
2057 | if (!RetrieveTouchDeliveryData(dev, ti, ev, listener, &client, &win, | ||
2058 | &grab, &mask)) | ||
2059 | continue; | ||
2060 | |||
2061 | DeliverTouchEvent(dev, ti, ev, listener, client, win, grab, mask); | ||
2062 | } | ||
2063 | } | ||
2064 | |||
2065 | int | ||
2066 | InitProximityClassDeviceStruct(DeviceIntPtr dev) | ||
2067 | { | ||
2068 | ProximityClassPtr proxc; | ||
2069 | |||
2070 | 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", 2070, __func__); if (0 ) ErrorFSigSafe(((void*)0)); xorg_backtrace(); } } while(0); return (0); } } while(0); | ||
2071 | 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", 2071, __func__); if (0) ErrorFSigSafe(((void* )0)); xorg_backtrace(); } } while(0); return (0); } } while(0 ); | ||
2072 | |||
2073 | proxc = (ProximityClassPtr) malloc(sizeof(ProximityClassRec)); | ||
2074 | if (!proxc) | ||
2075 | return FALSE0; | ||
2076 | proxc->sourceid = dev->id; | ||
2077 | proxc->in_proximity = TRUE1; | ||
2078 | dev->proximity = proxc; | ||
2079 | return TRUE1; | ||
2080 | } | ||
2081 | |||
2082 | /** | ||
2083 | * Initialise the device's valuators. The memory must already be allocated, | ||
2084 | * this function merely inits the matching axis (specified through axnum) to | ||
2085 | * sane values. | ||
2086 | * | ||
2087 | * It is a condition that (minval < maxval). | ||
2088 | * | ||
2089 | * @see InitValuatorClassDeviceStruct | ||
2090 | */ | ||
2091 | Bool | ||
2092 | InitValuatorAxisStruct(DeviceIntPtr dev, int axnum, Atom label, int minval, | ||
2093 | int maxval, int resolution, int min_res, int max_res, | ||
2094 | int mode) | ||
2095 | { | ||
2096 | AxisInfoPtr ax; | ||
2097 | |||
2098 | 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", 2098, __func__); if (0 ) ErrorFSigSafe(((void*)0)); xorg_backtrace(); } } while(0); return (0); } } while(0); | ||
2099 | 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", 2099, __func__); if (0) ErrorFSigSafe(((void*)0)); xorg_backtrace (); } } while(0); return (0); } } while(0); | ||
2100 | 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", 2100, __func__); if (0 ) ErrorFSigSafe(((void*)0)); xorg_backtrace(); } } while(0); return (0); } } while(0); | ||
2101 | 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", 2101, __func__); if (0 ) ErrorFSigSafe(((void*)0)); xorg_backtrace(); } } while(0); return (0); } } while(0); | ||
2102 | |||
2103 | ax = dev->valuator->axes + axnum; | ||
2104 | |||
2105 | ax->min_value = minval; | ||
2106 | ax->max_value = maxval; | ||
2107 | ax->resolution = resolution; | ||
2108 | ax->min_resolution = min_res; | ||
2109 | ax->max_resolution = max_res; | ||
2110 | ax->label = label; | ||
2111 | ax->mode = mode; | ||
2112 | |||
2113 | if (mode & OutOfProximity(1L << 1)) | ||
2114 | dev->proximity->in_proximity = FALSE0; | ||
2115 | |||
2116 | return SetScrollValuator(dev, axnum, SCROLL_TYPE_NONE, 0, SCROLL_FLAG_NONE); | ||
2117 | } | ||
2118 | |||
2119 | /** | ||
2120 | * Set the given axis number as a scrolling valuator. | ||
2121 | */ | ||
2122 | Bool | ||
2123 | SetScrollValuator(DeviceIntPtr dev, int axnum, enum ScrollType type, | ||
2124 | double increment, int flags) | ||
2125 | { | ||
2126 | AxisInfoPtr ax; | ||
2127 | int *current_ax; | ||
2128 | InternalEvent dce; | ||
2129 | DeviceIntPtr master; | ||
2130 | |||
2131 | 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", 2131, __func__); if (0 ) ErrorFSigSafe(((void*)0)); xorg_backtrace(); } } while(0); return (0); } } while(0); | ||
2132 | 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", 2132, __func__); if (0) ErrorFSigSafe(((void*)0)); xorg_backtrace (); } } while(0); return (0); } } while(0); | ||
2133 | 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", 2133, __func__); if (0 ) ErrorFSigSafe(((void*)0)); xorg_backtrace(); } } while(0); return (0); } } while(0); | ||
2134 | |||
2135 | switch (type) { | ||
2136 | case SCROLL_TYPE_VERTICAL: | ||
2137 | current_ax = &dev->valuator->v_scroll_axis; | ||
2138 | break; | ||
2139 | case SCROLL_TYPE_HORIZONTAL: | ||
2140 | current_ax = &dev->valuator->h_scroll_axis; | ||
2141 | break; | ||
2142 | case SCROLL_TYPE_NONE: | ||
2143 | ax = &dev->valuator->axes[axnum]; | ||
2144 | ax->scroll.type = type; | ||
2145 | return TRUE1; | ||
2146 | default: | ||
2147 | return FALSE0; | ||
2148 | } | ||
2149 | |||
2150 | if (increment == 0.0) | ||
2151 | return FALSE0; | ||
2152 | |||
2153 | if (*current_ax != -1 && axnum != *current_ax) { | ||
2154 | ax = &dev->valuator->axes[*current_ax]; | ||
2155 | if (ax->scroll.type == type && | ||
2156 | (flags & SCROLL_FLAG_PREFERRED) && | ||
2157 | (ax->scroll.flags & SCROLL_FLAG_PREFERRED)) | ||
2158 | return FALSE0; | ||
2159 | } | ||
2160 | *current_ax = axnum; | ||
2161 | |||
2162 | ax = &dev->valuator->axes[axnum]; | ||
2163 | ax->scroll.type = type; | ||
2164 | ax->scroll.increment = increment; | ||
2165 | ax->scroll.flags = flags; | ||
2166 | |||
2167 | master = GetMaster(dev, MASTER_ATTACHED4); | ||
2168 | CreateClassesChangedEvent(&dce, master, dev, | ||
2169 | DEVCHANGE_POINTER_EVENT0x4 | | ||
2170 | DEVCHANGE_DEVICE_CHANGE0x10); | ||
2171 | XISendDeviceChangedEvent(dev, &dce.changed_event); | ||
2172 | |||
2173 | /* if the current slave is us, update the master. If not, we'll update | ||
2174 | * whenever the next slave switch happens anyway. CMDC sends the event | ||
2175 | * for us */ | ||
2176 | if (master && master->lastSlave == dev) | ||
2177 | ChangeMasterDeviceClasses(master, &dce.changed_event); | ||
2178 | |||
2179 | return TRUE1; | ||
2180 | } | ||
2181 | |||
2182 | int | ||
2183 | CheckGrabValues(ClientPtr client, GrabParameters *param) | ||
2184 | { | ||
2185 | if (param->grabtype != CORE && | ||
2186 | param->grabtype != XI && param->grabtype != XI2) { | ||
2187 | ErrorF("[Xi] grabtype is invalid. This is a bug.\n"); | ||
2188 | return BadImplementation17; | ||
2189 | } | ||
2190 | |||
2191 | if ((param->this_device_mode != GrabModeSync0) && | ||
2192 | (param->this_device_mode != GrabModeAsync1) && | ||
2193 | (param->this_device_mode != XIGrabModeTouch2)) { | ||
2194 | client->errorValue = param->this_device_mode; | ||
2195 | return BadValue2; | ||
2196 | } | ||
2197 | if ((param->other_devices_mode != GrabModeSync0) && | ||
2198 | (param->other_devices_mode != GrabModeAsync1) && | ||
2199 | (param->other_devices_mode != XIGrabModeTouch2)) { | ||
2200 | client->errorValue = param->other_devices_mode; | ||
2201 | return BadValue2; | ||
2202 | } | ||
2203 | |||
2204 | if (param->modifiers != AnyModifier(1<<15) && | ||
2205 | param->modifiers != XIAnyModifier(1U << 31) && | ||
2206 | (param->modifiers & ~AllModifiersMask( (1<<0) | (1<<1) | (1<<2) | (1<<3) | (1<<4) | (1<<5) | (1<<6) | (1<<7) ))) { | ||
2207 | client->errorValue = param->modifiers; | ||
2208 | return BadValue2; | ||
2209 | } | ||
2210 | |||
2211 | if ((param->ownerEvents != xFalse0) && (param->ownerEvents != xTrue1)) { | ||
2212 | client->errorValue = param->ownerEvents; | ||
2213 | return BadValue2; | ||
2214 | } | ||
2215 | return Success0; | ||
2216 | } | ||
2217 | |||
2218 | int | ||
2219 | GrabButton(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr modifier_device, | ||
2220 | int button, GrabParameters *param, enum InputLevel grabtype, | ||
2221 | GrabMask *mask) | ||
2222 | { | ||
2223 | WindowPtr pWin, confineTo; | ||
2224 | CursorPtr cursor; | ||
2225 | GrabPtr grab; | ||
2226 | int rc, type = -1; | ||
2227 | Mask access_mode = DixGrabAccess(1<<17); | ||
2228 | |||
2229 | rc = CheckGrabValues(client, param); | ||
2230 | if (rc != Success0) | ||
2231 | return rc; | ||
2232 | if (param->confineTo == None0L) | ||
2233 | confineTo = NullWindow((WindowPtr) 0); | ||
2234 | else { | ||
2235 | rc = dixLookupWindow(&confineTo, param->confineTo, client, | ||
2236 | DixSetAttrAccess(1<<5)); | ||
2237 | if (rc != Success0) | ||
2238 | return rc; | ||
2239 | } | ||
2240 | if (param->cursor == None0L) | ||
2241 | cursor = NullCursor((CursorPtr)((void*)0)); | ||
2242 | else { | ||
2243 | rc = dixLookupResourceByType((void **) &cursor, param->cursor, | ||
2244 | RT_CURSOR((RESTYPE)5), client, DixUseAccess(1<<24)); | ||
2245 | if (rc != Success0) { | ||
2246 | client->errorValue = param->cursor; | ||
2247 | return rc; | ||
2248 | } | ||
2249 | access_mode |= DixForceAccess(1<<19); | ||
2250 | } | ||
2251 | if (param->this_device_mode == GrabModeSync0 || | ||
2252 | param->other_devices_mode == GrabModeSync0) | ||
2253 | access_mode |= DixFreezeAccess(1<<18); | ||
2254 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, dev, access_mode); | ||
2255 | if (rc != Success0) | ||
2256 | return rc; | ||
2257 | rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess(1<<5)); | ||
2258 | if (rc != Success0) | ||
2259 | return rc; | ||
2260 | |||
2261 | if (grabtype == XI) | ||
2262 | type = DeviceButtonPress; | ||
2263 | else if (grabtype == XI2) | ||
2264 | type = XI_ButtonPress4; | ||
2265 | |||
2266 | grab = CreateGrab(client->index, dev, modifier_device, pWin, grabtype, | ||
2267 | mask, param, type, button, confineTo, cursor); | ||
2268 | if (!grab) | ||
2269 | return BadAlloc11; | ||
2270 | return AddPassiveGrabToList(client, grab); | ||
2271 | } | ||
2272 | |||
2273 | /** | ||
2274 | * Grab the given key. | ||
2275 | */ | ||
2276 | int | ||
2277 | GrabKey(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr modifier_device, | ||
2278 | int key, GrabParameters *param, enum InputLevel grabtype, | ||
2279 | GrabMask *mask) | ||
2280 | { | ||
2281 | WindowPtr pWin; | ||
2282 | GrabPtr grab; | ||
2283 | KeyClassPtr k = dev->key; | ||
2284 | Mask access_mode = DixGrabAccess(1<<17); | ||
2285 | int rc, type = -1; | ||
2286 | |||
2287 | rc = CheckGrabValues(client, param); | ||
2288 | if (rc != Success0) | ||
2289 | return rc; | ||
2290 | if ((dev->id != XIAllDevices0 && dev->id != XIAllMasterDevices1) && k == NULL((void*)0)) | ||
2291 | return BadMatch8; | ||
2292 | if (grabtype == XI) { | ||
2293 | if ((key > k->xkbInfo->desc->max_key_code || | ||
2294 | key < k->xkbInfo->desc->min_key_code) | ||
2295 | && (key != AnyKey0L)) { | ||
2296 | client->errorValue = key; | ||
2297 | return BadValue2; | ||
2298 | } | ||
2299 | type = DeviceKeyPress; | ||
2300 | } | ||
2301 | else if (grabtype == XI2) | ||
2302 | type = XI_KeyPress2; | ||
2303 | |||
2304 | rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess(1<<5)); | ||
2305 | if (rc != Success0) | ||
2306 | return rc; | ||
2307 | if (param->this_device_mode == GrabModeSync0 || | ||
2308 | param->other_devices_mode == GrabModeSync0) | ||
2309 | access_mode |= DixFreezeAccess(1<<18); | ||
2310 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, dev, access_mode); | ||
2311 | if (rc != Success0) | ||
2312 | return rc; | ||
2313 | |||
2314 | grab = CreateGrab(client->index, dev, modifier_device, pWin, grabtype, | ||
2315 | mask, param, type, key, NULL((void*)0), NULL((void*)0)); | ||
2316 | if (!grab) | ||
2317 | return BadAlloc11; | ||
2318 | return AddPassiveGrabToList(client, grab); | ||
2319 | } | ||
2320 | |||
2321 | /* Enter/FocusIn grab */ | ||
2322 | int | ||
2323 | GrabWindow(ClientPtr client, DeviceIntPtr dev, int type, | ||
2324 | GrabParameters *param, GrabMask *mask) | ||
2325 | { | ||
2326 | WindowPtr pWin; | ||
2327 | CursorPtr cursor; | ||
2328 | GrabPtr grab; | ||
2329 | Mask access_mode = DixGrabAccess(1<<17); | ||
2330 | int rc; | ||
2331 | |||
2332 | rc = CheckGrabValues(client, param); | ||
2333 | if (rc != Success0) | ||
2334 | return rc; | ||
2335 | |||
2336 | rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess(1<<5)); | ||
2337 | if (rc != Success0) | ||
2338 | return rc; | ||
2339 | if (param->cursor == None0L) | ||
2340 | cursor = NullCursor((CursorPtr)((void*)0)); | ||
2341 | else { | ||
2342 | rc = dixLookupResourceByType((void **) &cursor, param->cursor, | ||
2343 | RT_CURSOR((RESTYPE)5), client, DixUseAccess(1<<24)); | ||
2344 | if (rc != Success0) { | ||
2345 | client->errorValue = param->cursor; | ||
2346 | return rc; | ||
2347 | } | ||
2348 | access_mode |= DixForceAccess(1<<19); | ||
2349 | } | ||
2350 | if (param->this_device_mode == GrabModeSync0 || | ||
2351 | param->other_devices_mode == GrabModeSync0) | ||
2352 | access_mode |= DixFreezeAccess(1<<18); | ||
2353 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, dev, access_mode); | ||
2354 | if (rc != Success0) | ||
2355 | return rc; | ||
2356 | |||
2357 | grab = CreateGrab(client->index, dev, dev, pWin, XI2, | ||
2358 | mask, param, | ||
2359 | (type == XIGrabtypeEnter2) ? XI_Enter7 : XI_FocusIn9, 0, | ||
2360 | NULL((void*)0), cursor); | ||
2361 | |||
2362 | if (!grab) | ||
2363 | return BadAlloc11; | ||
2364 | |||
2365 | return AddPassiveGrabToList(client, grab); | ||
2366 | } | ||
2367 | |||
2368 | /* Touch grab */ | ||
2369 | int | ||
2370 | GrabTouch(ClientPtr client, DeviceIntPtr dev, DeviceIntPtr mod_dev, | ||
2371 | GrabParameters *param, GrabMask *mask) | ||
2372 | { | ||
2373 | WindowPtr pWin; | ||
2374 | GrabPtr grab; | ||
2375 | int rc; | ||
2376 | |||
2377 | rc = CheckGrabValues(client, param); | ||
2378 | if (rc != Success0) | ||
2379 | return rc; | ||
2380 | |||
2381 | rc = dixLookupWindow(&pWin, param->grabWindow, client, DixSetAttrAccess(1<<5)); | ||
2382 | if (rc != Success0) | ||
2383 | return rc; | ||
2384 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, dev, DixGrabAccess(1<<17)); | ||
2385 | if (rc != Success0) | ||
2386 | return rc; | ||
2387 | |||
2388 | grab = CreateGrab(client->index, dev, mod_dev, pWin, XI2, | ||
2389 | mask, param, XI_TouchBegin18, 0, NullWindow((WindowPtr) 0), NullCursor((CursorPtr)((void*)0))); | ||
2390 | if (!grab) | ||
2391 | return BadAlloc11; | ||
2392 | |||
2393 | return AddPassiveGrabToList(client, grab); | ||
2394 | } | ||
2395 | |||
2396 | int | ||
2397 | SelectForWindow(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client, | ||
2398 | Mask mask, Mask exclusivemasks) | ||
2399 | { | ||
2400 | int mskidx = dev->id; | ||
2401 | int i, ret; | ||
2402 | Mask check; | ||
2403 | InputClientsPtr others; | ||
2404 | |||
2405 | check = (mask & exclusivemasks); | ||
2406 | if (wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))) { | ||
2407 | if (check & wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))->inputEvents[mskidx]) { | ||
2408 | /* It is illegal for two different clients to select on any of | ||
2409 | * the events for maskcheck. However, it is OK, for some client | ||
2410 | * to continue selecting on one of those events. | ||
2411 | */ | ||
2412 | for (others = wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))->inputClients; others; | ||
2413 | others = others->next) { | ||
2414 | if (!SameClient(others, client)((((others)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask) && (check & | ||
2415 | others->mask[mskidx])) | ||
2416 | return BadAccess10; | ||
2417 | } | ||
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)) { | ||
2422 | check = others->mask[mskidx]; | ||
2423 | others->mask[mskidx] = mask; | ||
2424 | if (mask == 0) { | ||
2425 | for (i = 0; i < EMASKSIZE(40 + 2); i++) | ||
2426 | if (i != mskidx && others->mask[i] != 0) | ||
2427 | break; | ||
2428 | if (i == EMASKSIZE(40 + 2)) { | ||
2429 | RecalculateDeviceDeliverableEvents(pWin); | ||
2430 | if (ShouldFreeInputMasks(pWin, FALSE0)) | ||
2431 | FreeResource(others->resource, RT_NONE((RESTYPE)0)); | ||
2432 | return Success0; | ||
2433 | } | ||
2434 | } | ||
2435 | goto maskSet; | ||
2436 | } | ||
2437 | } | ||
2438 | } | ||
2439 | check = 0; | ||
2440 | if ((ret = AddExtensionClient(pWin, client, mask, mskidx)) != Success0) | ||
2441 | return ret; | ||
2442 | maskSet: | ||
2443 | if (dev->valuator) | ||
2444 | if ((dev->valuator->motionHintWindow == pWin) && | ||
2445 | (mask & DevicePointerMotionHintMask) && | ||
2446 | !(check & DevicePointerMotionHintMask) && !dev->deviceGrab.grab) | ||
2447 | dev->valuator->motionHintWindow = NullWindow((WindowPtr) 0); | ||
2448 | RecalculateDeviceDeliverableEvents(pWin); | ||
2449 | return Success0; | ||
2450 | } | ||
2451 | |||
2452 | static void | ||
2453 | FreeInputClient(InputClientsPtr * other) | ||
2454 | { | ||
2455 | xi2mask_free(&(*other)->xi2mask); | ||
2456 | free(*other); | ||
2457 | *other = NULL((void*)0); | ||
2458 | } | ||
2459 | |||
2460 | static InputClientsPtr | ||
2461 | AllocInputClient(void) | ||
2462 | { | ||
2463 | return calloc(1, sizeof(InputClients)); | ||
2464 | } | ||
2465 | |||
2466 | int | ||
2467 | AddExtensionClient(WindowPtr pWin, ClientPtr client, Mask mask, int mskidx) | ||
2468 | { | ||
2469 | InputClientsPtr others; | ||
2470 | |||
2471 | if (!pWin->optional && !MakeWindowOptional(pWin)) | ||
2472 | return BadAlloc11; | ||
2473 | others = AllocInputClient(); | ||
2474 | if (!others) | ||
2475 | return BadAlloc11; | ||
2476 | if (!pWin->optional->inputMasks && !MakeInputMasks(pWin)) | ||
2477 | goto bail; | ||
2478 | others->xi2mask = xi2mask_new(); | ||
2479 | if (!others->xi2mask) | ||
2480 | goto bail; | ||
2481 | others->mask[mskidx] = mask; | ||
2482 | others->resource = FakeClientID(client->index); | ||
2483 | others->next = pWin->optional->inputMasks->inputClients; | ||
2484 | pWin->optional->inputMasks->inputClients = others; | ||
2485 | if (!AddResourceDarwin_X_AddResource(others->resource, RT_INPUTCLIENT, (void *) pWin)) | ||
2486 | goto bail; | ||
2487 | return Success0; | ||
2488 | |||
2489 | bail: | ||
2490 | FreeInputClient(&others); | ||
2491 | return BadAlloc11; | ||
2492 | } | ||
2493 | |||
2494 | static Bool | ||
2495 | MakeInputMasks(WindowPtr pWin) | ||
2496 | { | ||
2497 | struct _OtherInputMasks *imasks; | ||
2498 | |||
2499 | imasks = calloc(1, sizeof(struct _OtherInputMasks)); | ||
2500 | if (!imasks) | ||
2501 | return FALSE0; | ||
2502 | imasks->xi2mask = xi2mask_new(); | ||
2503 | if (!imasks->xi2mask) { | ||
2504 | free(imasks); | ||
2505 | return FALSE0; | ||
2506 | } | ||
2507 | pWin->optional->inputMasks = imasks; | ||
2508 | return TRUE1; | ||
2509 | } | ||
2510 | |||
2511 | static void | ||
2512 | FreeInputMask(OtherInputMasks ** imask) | ||
2513 | { | ||
2514 | xi2mask_free(&(*imask)->xi2mask); | ||
2515 | free(*imask); | ||
2516 | *imask = NULL((void*)0); | ||
2517 | } | ||
2518 | |||
2519 | void | ||
2520 | RecalculateDeviceDeliverableEvents(WindowPtr pWin) | ||
2521 | { | ||
2522 | InputClientsPtr others; | ||
2523 | struct _OtherInputMasks *inputMasks; /* default: NULL */ | ||
2524 | WindowPtr pChild, tmp; | ||
2525 | int i; | ||
2526 | |||
2527 | pChild = pWin; | ||
2528 | while (1) { | ||
2529 | if ((inputMasks = wOtherInputMasks(pChild)((pChild)->optional ? (pChild)->optional->inputMasks : ((void*)0))) != 0) { | ||
2530 | xi2mask_zero(inputMasks->xi2mask, -1); | ||
2531 | for (others = inputMasks->inputClients; others; | ||
2532 | others = others->next) { | ||
2533 | for (i = 0; i < EMASKSIZE(40 + 2); i++) | ||
2534 | inputMasks->inputEvents[i] |= others->mask[i]; | ||
2535 | xi2mask_merge(inputMasks->xi2mask, others->xi2mask); | ||
2536 | } | ||
2537 | for (i = 0; i < EMASKSIZE(40 + 2); i++) | ||
2538 | inputMasks->deliverableEvents[i] = inputMasks->inputEvents[i]; | ||
2539 | for (tmp = pChild->parent; tmp; tmp = tmp->parent) | ||
2540 | if (wOtherInputMasks(tmp)((tmp)->optional ? (tmp)->optional->inputMasks : ((void *)0))) | ||
2541 | for (i = 0; i < EMASKSIZE(40 + 2); i++) | ||
2542 | inputMasks->deliverableEvents[i] |= | ||
2543 | (wOtherInputMasks(tmp)((tmp)->optional ? (tmp)->optional->inputMasks : ((void *)0))->deliverableEvents[i] | ||
2544 | & ~inputMasks->dontPropagateMask[i] & | ||
2545 | PropagateMask[i]); | ||
2546 | } | ||
2547 | if (pChild->firstChild) { | ||
2548 | pChild = pChild->firstChild; | ||
2549 | continue; | ||
2550 | } | ||
2551 | while (!pChild->nextSib && (pChild != pWin)) | ||
2552 | pChild = pChild->parent; | ||
2553 | if (pChild == pWin) | ||
2554 | break; | ||
2555 | pChild = pChild->nextSib; | ||
2556 | } | ||
2557 | } | ||
2558 | |||
2559 | int | ||
2560 | InputClientGone(WindowPtr pWin, XID id) | ||
2561 | { | ||
2562 | InputClientsPtr other, prev; | ||
2563 | |||
2564 | if (!wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))) | ||
2565 | return Success0; | ||
2566 | prev = 0; | ||
2567 | for (other = wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))->inputClients; other; | ||
2568 | other = other->next) { | ||
2569 | if (other->resource == id) { | ||
2570 | if (prev) { | ||
2571 | prev->next = other->next; | ||
2572 | FreeInputClient(&other); | ||
2573 | } | ||
2574 | else if (!(other->next)) { | ||
2575 | if (ShouldFreeInputMasks(pWin, TRUE1)) { | ||
2576 | OtherInputMasks *mask = wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0)); | ||
2577 | |||
2578 | mask->inputClients = other->next; | ||
2579 | FreeInputMask(&mask); | ||
2580 | pWin->optional->inputMasks = (OtherInputMasks *) NULL((void*)0); | ||
2581 | CheckWindowOptionalNeed(pWin); | ||
2582 | FreeInputClient(&other); | ||
2583 | } | ||
2584 | else { | ||
2585 | other->resource = FakeClientID(0); | ||
2586 | if (!AddResourceDarwin_X_AddResource(other->resource, RT_INPUTCLIENT, | ||
2587 | (void *) pWin)) | ||
2588 | return BadAlloc11; | ||
2589 | } | ||
2590 | } | ||
2591 | else { | ||
2592 | wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))->inputClients = other->next; | ||
2593 | FreeInputClient(&other); | ||
2594 | } | ||
2595 | RecalculateDeviceDeliverableEvents(pWin); | ||
2596 | return Success0; | ||
2597 | } | ||
2598 | prev = other; | ||
2599 | } | ||
2600 | FatalError("client not on device event list"); | ||
2601 | } | ||
2602 | |||
2603 | /** | ||
2604 | * Search for window in each touch trace for each device. Remove the window | ||
2605 | * and all its subwindows from the trace when found. The initial window | ||
2606 | * order is preserved. | ||
2607 | */ | ||
2608 | void | ||
2609 | WindowGone(WindowPtr win) | ||
2610 | { | ||
2611 | DeviceIntPtr dev; | ||
2612 | |||
2613 | for (dev = inputInfo.devices; dev; dev = dev->next) { | ||
2614 | TouchClassPtr t = dev->touch; | ||
2615 | int i; | ||
2616 | |||
2617 | if (!t) | ||
2618 | continue; | ||
2619 | |||
2620 | for (i = 0; i < t->num_touches; i++) { | ||
2621 | SpritePtr sprite = &t->touches[i].sprite; | ||
2622 | int j; | ||
2623 | |||
2624 | for (j = 0; j < sprite->spriteTraceGood; j++) { | ||
2625 | if (sprite->spriteTrace[j] == win) { | ||
2626 | sprite->spriteTraceGood = j; | ||
2627 | break; | ||
2628 | } | ||
2629 | } | ||
2630 | } | ||
2631 | } | ||
2632 | } | ||
2633 | |||
2634 | int | ||
2635 | SendEvent(ClientPtr client, DeviceIntPtr d, Window dest, Bool propagate, | ||
2636 | xEvent *ev, Mask mask, int count) | ||
2637 | { | ||
2638 | WindowPtr pWin; | ||
2639 | WindowPtr effectiveFocus = NullWindow((WindowPtr) 0); /* only set if dest==InputFocus */ | ||
2640 | WindowPtr spriteWin = GetSpriteWindow(d); | ||
2641 | |||
2642 | if (dest == PointerWindow0L) | ||
2643 | pWin = spriteWin; | ||
2644 | else if (dest == InputFocus1L) { | ||
2645 | WindowPtr inputFocus; | ||
2646 | |||
2647 | if (!d->focus) | ||
2648 | inputFocus = spriteWin; | ||
2649 | else | ||
2650 | inputFocus = d->focus->win; | ||
2651 | |||
2652 | if (inputFocus == FollowKeyboardWin((WindowPtr) 3)) | ||
2653 | inputFocus = inputInfo.keyboard->focus->win; | ||
2654 | |||
2655 | if (inputFocus == NoneWin((WindowPtr)0L)) | ||
2656 | return Success0; | ||
2657 | |||
2658 | /* If the input focus is PointerRootWin, send the event to where | ||
2659 | * the pointer is if possible, then perhaps propogate up to root. */ | ||
2660 | if (inputFocus == PointerRootWin((WindowPtr)1L)) | ||
2661 | inputFocus = GetCurrentRootWindow(d); | ||
2662 | |||
2663 | if (IsParent(inputFocus, spriteWin)) { | ||
2664 | effectiveFocus = inputFocus; | ||
2665 | pWin = spriteWin; | ||
2666 | } | ||
2667 | else | ||
2668 | effectiveFocus = pWin = inputFocus; | ||
2669 | } | ||
2670 | else | ||
2671 | dixLookupWindow(&pWin, dest, client, DixSendAccess(1<<22)); | ||
2672 | if (!pWin) | ||
2673 | return BadWindow3; | ||
2674 | if ((propagate != xFalse0) && (propagate != xTrue1)) { | ||
2675 | client->errorValue = propagate; | ||
2676 | return BadValue2; | ||
2677 | } | ||
2678 | ev->u.u.type |= 0x80; | ||
2679 | if (propagate) { | ||
2680 | for (; pWin; pWin = pWin->parent) { | ||
2681 | if (DeliverEventsToWindow(d, pWin, ev, count, mask, NullGrab((GrabPtr)((void*)0)))) | ||
2682 | return Success0; | ||
2683 | if (pWin == effectiveFocus) | ||
2684 | return Success0; | ||
2685 | if (wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))) | ||
2686 | mask &= ~wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))->dontPropagateMask[d->id]; | ||
2687 | if (!mask) | ||
2688 | break; | ||
2689 | } | ||
2690 | } | ||
2691 | else if (!XaceHook(XACE_SEND_ACCESS5, client, NULL((void*)0), pWin, ev, count)) | ||
2692 | DeliverEventsToWindow(d, pWin, ev, count, mask, NullGrab((GrabPtr)((void*)0))); | ||
2693 | return Success0; | ||
2694 | } | ||
2695 | |||
2696 | int | ||
2697 | SetButtonMapping(ClientPtr client, DeviceIntPtr dev, int nElts, BYTE * map) | ||
2698 | { | ||
2699 | int i; | ||
2700 | ButtonClassPtr b = dev->button; | ||
2701 | |||
2702 | if (b == NULL((void*)0)) | ||
2703 | return BadMatch8; | ||
2704 | |||
2705 | if (nElts != b->numButtons) { | ||
2706 | client->errorValue = nElts; | ||
2707 | return BadValue2; | ||
2708 | } | ||
2709 | if (BadDeviceMap(&map[0], nElts, 1, 255, &client->errorValue)) | ||
2710 | return BadValue2; | ||
2711 | for (i = 0; i < nElts; i++) | ||
2712 | if ((b->map[i + 1] != map[i]) && BitIsOn(b->down, i + 1)(!!(((const BYTE *) (b->down))[(i + 1)>>3] & (1 << ((i + 1) & 7))))) | ||
2713 | return MappingBusy1; | ||
2714 | for (i = 0; i < nElts; i++) | ||
2715 | b->map[i + 1] = map[i]; | ||
2716 | return Success0; | ||
2717 | } | ||
2718 | |||
2719 | int | ||
2720 | ChangeKeyMapping(ClientPtr client, | ||
2721 | DeviceIntPtr dev, | ||
2722 | unsigned len, | ||
2723 | int type, | ||
2724 | KeyCode firstKeyCode, | ||
2725 | CARD8 keyCodes, CARD8 keySymsPerKeyCode, KeySym * map) | ||
2726 | { | ||
2727 | KeySymsRec keysyms; | ||
2728 | KeyClassPtr k = dev->key; | ||
2729 | |||
2730 | if (k == NULL((void*)0)) | ||
2731 | return BadMatch8; | ||
2732 | |||
2733 | if (len != (keyCodes * keySymsPerKeyCode)) | ||
2734 | return BadLength16; | ||
2735 | |||
2736 | if ((firstKeyCode < k->xkbInfo->desc->min_key_code) || | ||
2737 | (firstKeyCode + keyCodes - 1 > k->xkbInfo->desc->max_key_code)) { | ||
2738 | client->errorValue = firstKeyCode; | ||
2739 | return BadValue2; | ||
2740 | } | ||
2741 | if (keySymsPerKeyCode == 0) { | ||
2742 | client->errorValue = 0; | ||
2743 | return BadValue2; | ||
2744 | } | ||
2745 | keysyms.minKeyCode = firstKeyCode; | ||
2746 | keysyms.maxKeyCode = firstKeyCode + keyCodes - 1; | ||
2747 | keysyms.mapWidth = keySymsPerKeyCode; | ||
2748 | keysyms.map = map; | ||
2749 | |||
2750 | XkbApplyMappingChange(dev, &keysyms, firstKeyCode, keyCodes, NULL((void*)0), | ||
2751 | serverClient); | ||
2752 | |||
2753 | return Success0; | ||
2754 | } | ||
2755 | |||
2756 | static void | ||
2757 | DeleteDeviceFromAnyExtEvents(WindowPtr pWin, DeviceIntPtr dev) | ||
2758 | { | ||
2759 | WindowPtr parent; | ||
2760 | |||
2761 | /* Deactivate any grabs performed on this window, before making | ||
2762 | * any input focus changes. | ||
2763 | * Deactivating a device grab should cause focus events. */ | ||
2764 | |||
2765 | if (dev->deviceGrab.grab && (dev->deviceGrab.grab->window == pWin)) | ||
2766 | (*dev->deviceGrab.DeactivateGrab) (dev); | ||
2767 | |||
2768 | /* If the focus window is a root window (ie. has no parent) | ||
2769 | * then don't delete the focus from it. */ | ||
2770 | |||
2771 | if (dev->focus && (pWin == dev->focus->win) && (pWin->parent != NullWindow((WindowPtr) 0))) { | ||
2772 | int focusEventMode = NotifyNormal0; | ||
2773 | |||
2774 | /* If a grab is in progress, then alter the mode of focus events. */ | ||
2775 | |||
2776 | if (dev->deviceGrab.grab) | ||
2777 | focusEventMode = NotifyWhileGrabbed3; | ||
2778 | |||
2779 | switch (dev->focus->revert) { | ||
2780 | case RevertToNone(int)0L: | ||
2781 | if (!ActivateFocusInGrab(dev, pWin, NoneWin((WindowPtr)0L))) | ||
2782 | DoFocusEvents(dev, pWin, NoneWin((WindowPtr)0L), focusEventMode); | ||
2783 | dev->focus->win = NoneWin((WindowPtr)0L); | ||
2784 | dev->focus->traceGood = 0; | ||
2785 | break; | ||
2786 | case RevertToParent2: | ||
2787 | parent = pWin; | ||
2788 | do { | ||
2789 | parent = parent->parent; | ||
2790 | dev->focus->traceGood--; | ||
2791 | } | ||
2792 | while (!parent->realized); | ||
2793 | if (!ActivateFocusInGrab(dev, pWin, parent)) | ||
2794 | DoFocusEvents(dev, pWin, parent, focusEventMode); | ||
2795 | dev->focus->win = parent; | ||
2796 | dev->focus->revert = RevertToNone(int)0L; | ||
2797 | break; | ||
2798 | case RevertToPointerRoot(int)1L: | ||
2799 | if (!ActivateFocusInGrab(dev, pWin, PointerRootWin((WindowPtr)1L))) | ||
2800 | DoFocusEvents(dev, pWin, PointerRootWin((WindowPtr)1L), focusEventMode); | ||
2801 | dev->focus->win = PointerRootWin((WindowPtr)1L); | ||
2802 | dev->focus->traceGood = 0; | ||
2803 | break; | ||
2804 | case RevertToFollowKeyboard3: | ||
2805 | { | ||
2806 | DeviceIntPtr kbd = GetMaster(dev, MASTER_KEYBOARD2); | ||
2807 | |||
2808 | if (!kbd || (kbd == dev && kbd != inputInfo.keyboard)) | ||
2809 | kbd = inputInfo.keyboard; | ||
2810 | if (kbd->focus->win) { | ||
2811 | if (!ActivateFocusInGrab(dev, pWin, kbd->focus->win)) | ||
2812 | DoFocusEvents(dev, pWin, kbd->focus->win, focusEventMode); | ||
2813 | dev->focus->win = FollowKeyboardWin((WindowPtr) 3); | ||
2814 | dev->focus->traceGood = 0; | ||
2815 | } | ||
2816 | else { | ||
2817 | if (!ActivateFocusInGrab(dev, pWin, NoneWin((WindowPtr)0L))) | ||
2818 | DoFocusEvents(dev, pWin, NoneWin((WindowPtr)0L), focusEventMode); | ||
2819 | dev->focus->win = NoneWin((WindowPtr)0L); | ||
2820 | dev->focus->traceGood = 0; | ||
2821 | } | ||
2822 | } | ||
2823 | break; | ||
2824 | } | ||
2825 | } | ||
2826 | |||
2827 | if (dev->valuator) | ||
2828 | if (dev->valuator->motionHintWindow == pWin) | ||
2829 | dev->valuator->motionHintWindow = NullWindow((WindowPtr) 0); | ||
2830 | } | ||
2831 | |||
2832 | void | ||
2833 | DeleteWindowFromAnyExtEvents(WindowPtr pWin, Bool freeResources) | ||
2834 | { | ||
2835 | int i; | ||
2836 | DeviceIntPtr dev; | ||
2837 | InputClientsPtr ic; | ||
2838 | struct _OtherInputMasks *inputMasks; | ||
2839 | |||
2840 | for (dev = inputInfo.devices; dev; dev = dev->next) { | ||
2841 | DeleteDeviceFromAnyExtEvents(pWin, dev); | ||
2842 | } | ||
2843 | |||
2844 | for (dev = inputInfo.off_devices; dev; dev = dev->next) | ||
2845 | DeleteDeviceFromAnyExtEvents(pWin, dev); | ||
2846 | |||
2847 | if (freeResources) | ||
2848 | while ((inputMasks = wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))) != 0) { | ||
2849 | ic = inputMasks->inputClients; | ||
2850 | for (i = 0; i < EMASKSIZE(40 + 2); i++) | ||
2851 | inputMasks->dontPropagateMask[i] = 0; | ||
2852 | FreeResource(ic->resource, RT_NONE((RESTYPE)0)); | ||
2853 | } | ||
2854 | } | ||
2855 | |||
2856 | int | ||
2857 | MaybeSendDeviceMotionNotifyHint(deviceKeyButtonPointer *pEvents, Mask mask) | ||
2858 | { | ||
2859 | DeviceIntPtr dev; | ||
2860 | |||
2861 | dixLookupDevice(&dev, pEvents->deviceid & DEVICE_BITS0x7F, serverClient, | ||
2862 | DixReadAccess(1<<0)); | ||
2863 | if (!dev) | ||
2864 | return 0; | ||
2865 | |||
2866 | if (pEvents->type == DeviceMotionNotify) { | ||
2867 | if (mask & DevicePointerMotionHintMask) { | ||
2868 | if (WID(dev->valuator->motionHintWindow)((dev->valuator->motionHintWindow) ? ((dev->valuator ->motionHintWindow)->drawable.id) : 0) == pEvents->event) { | ||
2869 | return 1; /* don't send, but pretend we did */ | ||
2870 | } | ||
2871 | pEvents->detail = NotifyHint1; | ||
2872 | } | ||
2873 | else { | ||
2874 | pEvents->detail = NotifyNormal0; | ||
2875 | } | ||
2876 | } | ||
2877 | return 0; | ||
2878 | } | ||
2879 | |||
2880 | void | ||
2881 | CheckDeviceGrabAndHintWindow(WindowPtr pWin, int type, | ||
2882 | deviceKeyButtonPointer *xE, GrabPtr grab, | ||
2883 | ClientPtr client, Mask deliveryMask) | ||
2884 | { | ||
2885 | DeviceIntPtr dev; | ||
2886 | |||
2887 | dixLookupDevice(&dev, xE->deviceid & DEVICE_BITS0x7F, serverClient, | ||
2888 | DixGrabAccess(1<<17)); | ||
2889 | if (!dev) | ||
2890 | return; | ||
2891 | |||
2892 | if (type == DeviceMotionNotify) | ||
2893 | dev->valuator->motionHintWindow = pWin; | ||
2894 | else if ((type == DeviceButtonPress) && (!grab) && | ||
2895 | (deliveryMask & DeviceButtonGrabMask)) { | ||
2896 | GrabPtr tempGrab; | ||
2897 | |||
2898 | tempGrab = AllocGrab(NULL((void*)0)); | ||
2899 | if (!tempGrab) | ||
2900 | return; | ||
2901 | |||
2902 | tempGrab->device = dev; | ||
2903 | tempGrab->resource = client->clientAsMask; | ||
2904 | tempGrab->window = pWin; | ||
2905 | tempGrab->ownerEvents = | ||
2906 | (deliveryMask & DeviceOwnerGrabButtonMask) ? TRUE1 : FALSE0; | ||
2907 | tempGrab->eventMask = deliveryMask; | ||
2908 | tempGrab->keyboardMode = GrabModeAsync1; | ||
2909 | tempGrab->pointerMode = GrabModeAsync1; | ||
2910 | tempGrab->confineTo = NullWindow((WindowPtr) 0); | ||
2911 | tempGrab->cursor = NullCursor((CursorPtr)((void*)0)); | ||
2912 | tempGrab->next = NULL((void*)0); | ||
2913 | (*dev->deviceGrab.ActivateGrab) (dev, tempGrab, currentTime, TRUE1); | ||
2914 | FreeGrab(tempGrab); | ||
2915 | } | ||
2916 | } | ||
2917 | |||
2918 | static Mask | ||
2919 | DeviceEventMaskForClient(DeviceIntPtr dev, WindowPtr pWin, ClientPtr client) | ||
2920 | { | ||
2921 | InputClientsPtr other; | ||
2922 | |||
2923 | if (!wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))) | ||
2924 | return 0; | ||
2925 | for (other = wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0))->inputClients; other; | ||
2926 | other = other->next) { | ||
2927 | if (SameClient(other, client)((((other)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) | ||
2928 | return other->mask[dev->id]; | ||
2929 | } | ||
2930 | return 0; | ||
2931 | } | ||
2932 | |||
2933 | void | ||
2934 | MaybeStopDeviceHint(DeviceIntPtr dev, ClientPtr client) | ||
2935 | { | ||
2936 | WindowPtr pWin; | ||
2937 | GrabPtr grab = dev->deviceGrab.grab; | ||
2938 | |||
2939 | pWin = dev->valuator->motionHintWindow; | ||
2940 | |||
2941 | if ((grab && SameClient(grab, client)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask) && | ||
2942 | ((grab->eventMask & DevicePointerMotionHintMask) || | ||
2943 | (grab->ownerEvents && | ||
2944 | (DeviceEventMaskForClient(dev, pWin, client) & | ||
2945 | DevicePointerMotionHintMask)))) || | ||
2946 | (!grab && | ||
2947 | (DeviceEventMaskForClient(dev, pWin, client) & | ||
2948 | DevicePointerMotionHintMask))) | ||
2949 | dev->valuator->motionHintWindow = NullWindow((WindowPtr) 0); | ||
2950 | } | ||
2951 | |||
2952 | int | ||
2953 | DeviceEventSuppressForWindow(WindowPtr pWin, ClientPtr client, Mask mask, | ||
2954 | int maskndx) | ||
2955 | { | ||
2956 | struct _OtherInputMasks *inputMasks = wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0)); | ||
2957 | |||
2958 | if (mask & ~PropagateMask[maskndx]) { | ||
2959 | client->errorValue = mask; | ||
2960 | return BadValue2; | ||
2961 | } | ||
2962 | |||
2963 | if (mask == 0) { | ||
2964 | if (inputMasks) | ||
2965 | inputMasks->dontPropagateMask[maskndx] = mask; | ||
2966 | } | ||
2967 | else { | ||
2968 | if (!inputMasks) | ||
2969 | AddExtensionClient(pWin, client, 0, 0); | ||
2970 | inputMasks = wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0)); | ||
2971 | inputMasks->dontPropagateMask[maskndx] = mask; | ||
2972 | } | ||
2973 | RecalculateDeviceDeliverableEvents(pWin); | ||
2974 | if (ShouldFreeInputMasks(pWin, FALSE0)) | ||
2975 | FreeResource(inputMasks->inputClients->resource, RT_NONE((RESTYPE)0)); | ||
2976 | return Success0; | ||
2977 | } | ||
2978 | |||
2979 | Bool | ||
2980 | ShouldFreeInputMasks(WindowPtr pWin, Bool ignoreSelectedEvents) | ||
2981 | { | ||
2982 | int i; | ||
2983 | Mask allInputEventMasks = 0; | ||
2984 | struct _OtherInputMasks *inputMasks = wOtherInputMasks(pWin)((pWin)->optional ? (pWin)->optional->inputMasks : ( (void*)0)); | ||
2985 | |||
2986 | for (i = 0; i < EMASKSIZE(40 + 2); i++) | ||
2987 | allInputEventMasks |= inputMasks->dontPropagateMask[i]; | ||
2988 | if (!ignoreSelectedEvents) | ||
2989 | for (i = 0; i < EMASKSIZE(40 + 2); i++) | ||
2990 | allInputEventMasks |= inputMasks->inputEvents[i]; | ||
2991 | if (allInputEventMasks == 0) | ||
2992 | return TRUE1; | ||
2993 | else | ||
2994 | return FALSE0; | ||
2995 | } | ||
2996 | |||
2997 | /*********************************************************************** | ||
2998 | * | ||
2999 | * Walk through the window tree, finding all clients that want to know | ||
3000 | * about the Event. | ||
3001 | * | ||
3002 | */ | ||
3003 | |||
3004 | static void | ||
3005 | FindInterestedChildren(DeviceIntPtr dev, WindowPtr p1, Mask mask, | ||
3006 | xEvent *ev, int count) | ||
3007 | { | ||
3008 | WindowPtr p2; | ||
3009 | |||
3010 | while (p1) { | ||
3011 | p2 = p1->firstChild; | ||
3012 | DeliverEventsToWindow(dev, p1, ev, count, mask, NullGrab((GrabPtr)((void*)0))); | ||
3013 | FindInterestedChildren(dev, p2, mask, ev, count); | ||
3014 | p1 = p1->nextSib; | ||
3015 | } | ||
3016 | } | ||
3017 | |||
3018 | /*********************************************************************** | ||
3019 | * | ||
3020 | * Send an event to interested clients in all windows on all screens. | ||
3021 | * | ||
3022 | */ | ||
3023 | |||
3024 | void | ||
3025 | SendEventToAllWindows(DeviceIntPtr dev, Mask mask, xEvent *ev, int count) | ||
3026 | { | ||
3027 | int i; | ||
3028 | WindowPtr pWin, p1; | ||
3029 | |||
3030 | for (i = 0; i < screenInfo.numScreens; i++) { | ||
3031 | pWin = screenInfo.screens[i]->root; | ||
3032 | if (!pWin) | ||
3033 | continue; | ||
3034 | DeliverEventsToWindow(dev, pWin, ev, count, mask, NullGrab((GrabPtr)((void*)0))); | ||
3035 | p1 = pWin->firstChild; | ||
3036 | FindInterestedChildren(dev, p1, mask, ev, count); | ||
3037 | } | ||
3038 | } | ||
3039 | |||
3040 | /** | ||
3041 | * Set the XI2 mask for the given client on the given window. | ||
3042 | * @param dev The device to set the mask for. | ||
3043 | * @param win The window to set the mask on. | ||
3044 | * @param client The client setting the mask. | ||
3045 | * @param len Number of bytes in mask. | ||
3046 | * @param mask Event mask in the form of (1 << eventtype) | ||
3047 | */ | ||
3048 | int | ||
3049 | XISetEventMask(DeviceIntPtr dev, WindowPtr win, ClientPtr client, | ||
3050 | unsigned int len, unsigned char *mask) | ||
3051 | { | ||
3052 | OtherInputMasks *masks; | ||
3053 | InputClientsPtr others = NULL((void*)0); | ||
3054 | |||
3055 | masks = wOtherInputMasks(win)((win)->optional ? (win)->optional->inputMasks : ((void *)0)); | ||
3056 | if (masks) { | ||
3057 | for (others = wOtherInputMasks(win)((win)->optional ? (win)->optional->inputMasks : ((void *)0))->inputClients; others; | ||
3058 | others = others->next) { | ||
3059 | if (SameClient(others, client)((((others)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) { | ||
3060 | xi2mask_zero(others->xi2mask, dev->id); | ||
3061 | break; | ||
3062 | } | ||
3063 | } | ||
3064 | } | ||
3065 | |||
3066 | if (len && !others) { | ||
3067 | if (AddExtensionClient(win, client, 0, 0) != Success0) | ||
3068 | return BadAlloc11; | ||
3069 | others = wOtherInputMasks(win)((win)->optional ? (win)->optional->inputMasks : ((void *)0))->inputClients; | ||
3070 | } | ||
3071 | |||
3072 | if (others) { | ||
3073 | xi2mask_zero(others->xi2mask, dev->id); | ||
3074 | len = min(len, xi2mask_mask_size(others->xi2mask))(((len) < (xi2mask_mask_size(others->xi2mask))) ? (len) : (xi2mask_mask_size(others->xi2mask))); | ||
3075 | } | ||
3076 | |||
3077 | if (len) { | ||
3078 | xi2mask_set_one_mask(others->xi2mask, dev->id, mask, len); | ||
3079 | } | ||
3080 | |||
3081 | RecalculateDeviceDeliverableEvents(win); | ||
3082 | |||
3083 | return Success0; | ||
3084 | } |