File: | Xi/exevents.c |
Location: | line 3078, column 30 |
Description: | Access to field 'xi2mask' results in a dereference of a null pointer (loaded from variable 'others') |
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) { | |||
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 | } |