File: | dix/events.c |
Location: | line 1635, column 18 |
Description: | Access to field 'win' results in a dereference of a null pointer (loaded from field 'focus') |
1 | /************************************************************ | |||
2 | ||||
3 | Copyright 1987, 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 1987 by Digital Equipment Corporation, Maynard, Massachusetts. | |||
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 Digital not be | |||
34 | used in advertising or publicity pertaining to distribution of the | |||
35 | software without specific, written prior permission. | |||
36 | ||||
37 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING | |||
38 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL | |||
39 | DIGITAL 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 | /* The panoramix components contained the following notice */ | |||
48 | /***************************************************************** | |||
49 | ||||
50 | Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. | |||
51 | ||||
52 | Permission is hereby granted, free of charge, to any person obtaining a copy | |||
53 | of this software and associated documentation files (the "Software"), to deal | |||
54 | in the Software without restriction, including without limitation the rights | |||
55 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell | |||
56 | copies of the Software. | |||
57 | ||||
58 | The above copyright notice and this permission notice shall be included in | |||
59 | all copies or substantial portions of the Software. | |||
60 | ||||
61 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |||
62 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |||
63 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |||
64 | DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, | |||
65 | BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, | |||
66 | WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR | |||
67 | IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. | |||
68 | ||||
69 | Except as contained in this notice, the name of Digital Equipment Corporation | |||
70 | shall not be used in advertising or otherwise to promote the sale, use or other | |||
71 | dealings in this Software without prior written authorization from Digital | |||
72 | Equipment Corporation. | |||
73 | ||||
74 | ******************************************************************/ | |||
75 | ||||
76 | /* | |||
77 | * Copyright (c) 2003-2005, Oracle and/or its affiliates. All rights reserved. | |||
78 | * | |||
79 | * Permission is hereby granted, free of charge, to any person obtaining a | |||
80 | * copy of this software and associated documentation files (the "Software"), | |||
81 | * to deal in the Software without restriction, including without limitation | |||
82 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, | |||
83 | * and/or sell copies of the Software, and to permit persons to whom the | |||
84 | * Software is furnished to do so, subject to the following conditions: | |||
85 | * | |||
86 | * The above copyright notice and this permission notice (including the next | |||
87 | * paragraph) shall be included in all copies or substantial portions of the | |||
88 | * Software. | |||
89 | * | |||
90 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR | |||
91 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, | |||
92 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL | |||
93 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER | |||
94 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING | |||
95 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER | |||
96 | * DEALINGS IN THE SOFTWARE. | |||
97 | */ | |||
98 | ||||
99 | /** @file events.c | |||
100 | * This file handles event delivery and a big part of the server-side protocol | |||
101 | * handling (the parts for input devices). | |||
102 | */ | |||
103 | ||||
104 | #ifdef HAVE_DIX_CONFIG_H1 | |||
105 | #include <dix-config.h> | |||
106 | #endif | |||
107 | ||||
108 | #include <X11/X.h> | |||
109 | #include "misc.h" | |||
110 | #include "resource.h" | |||
111 | #include <X11/Xproto.h> | |||
112 | #include "windowstr.h" | |||
113 | #include "inputstr.h" | |||
114 | #include "inpututils.h" | |||
115 | #include "scrnintstr.h" | |||
116 | #include "cursorstr.h" | |||
117 | ||||
118 | #include "dixstruct.h" | |||
119 | #ifdef PANORAMIX1 | |||
120 | #include "panoramiX.h" | |||
121 | #include "panoramiXsrv.h" | |||
122 | #endif | |||
123 | #include "globals.h" | |||
124 | ||||
125 | #include <X11/extensions/XKBproto.h> | |||
126 | #include "xkbsrv.h" | |||
127 | #include "xace.h" | |||
128 | #include "probes.h" | |||
129 | ||||
130 | #include <X11/extensions/XIproto.h> | |||
131 | #include <X11/extensions/XI2proto.h> | |||
132 | #include <X11/extensions/XI.h> | |||
133 | #include <X11/extensions/XI2.h> | |||
134 | #include "exglobals.h" | |||
135 | #include "exevents.h" | |||
136 | #include "extnsionst.h" | |||
137 | ||||
138 | #include "dixevents.h" | |||
139 | #include "dixgrabs.h" | |||
140 | #include "dispatch.h" | |||
141 | ||||
142 | #include <X11/extensions/ge.h> | |||
143 | #include "geext.h" | |||
144 | #include "geint.h" | |||
145 | ||||
146 | #include "eventstr.h" | |||
147 | #include "enterleave.h" | |||
148 | #include "eventconvert.h" | |||
149 | #include "mi.h" | |||
150 | ||||
151 | /* Extension events type numbering starts at EXTENSION_EVENT_BASE. */ | |||
152 | #define NoSuchEvent0x80000000 0x80000000 /* so doesn't match NoEventMask */ | |||
153 | #define StructureAndSubMask( (1L<<17) | (1L<<19) ) ( StructureNotifyMask(1L<<17) | SubstructureNotifyMask(1L<<19) ) | |||
154 | #define AllButtonsMask( (1<<8) | (1<<9) | (1<<10) | (1<<11) | (1<<12) ) ( \ | |||
155 | Button1Mask(1<<8) | Button2Mask(1<<9) | Button3Mask(1<<10) | Button4Mask(1<<11) | Button5Mask(1<<12) ) | |||
156 | #define MotionMask( (1L<<6) | (1L<<8) | (1L<<9) | (1L<< 10) | (1L<<11) | (1L<<12) | (1L<<13) ) ( \ | |||
157 | PointerMotionMask(1L<<6) | Button1MotionMask(1L<<8) | \ | |||
158 | Button2MotionMask(1L<<9) | Button3MotionMask(1L<<10) | Button4MotionMask(1L<<11) | \ | |||
159 | Button5MotionMask(1L<<12) | ButtonMotionMask(1L<<13) ) | |||
160 | #define PropagateMask( (1L<<0) | (1L<<1) | (1L<<2) | (1L<< 3) | ( (1L<<6) | (1L<<8) | (1L<<9) | (1L<< 10) | (1L<<11) | (1L<<12) | (1L<<13) ) ) ( \ | |||
161 | KeyPressMask(1L<<0) | KeyReleaseMask(1L<<1) | ButtonPressMask(1L<<2) | ButtonReleaseMask(1L<<3) | \ | |||
162 | MotionMask( (1L<<6) | (1L<<8) | (1L<<9) | (1L<< 10) | (1L<<11) | (1L<<12) | (1L<<13) ) ) | |||
163 | #define PointerGrabMask( (1L<<2) | (1L<<3) | (1L<<4) | (1L<< 5) | (1L<<7) | (1L<<14) | ( (1L<<6) | (1L<< 8) | (1L<<9) | (1L<<10) | (1L<<11) | (1L<< 12) | (1L<<13) ) ) ( \ | |||
164 | ButtonPressMask(1L<<2) | ButtonReleaseMask(1L<<3) | \ | |||
165 | EnterWindowMask(1L<<4) | LeaveWindowMask(1L<<5) | \ | |||
166 | PointerMotionHintMask(1L<<7) | KeymapStateMask(1L<<14) | \ | |||
167 | MotionMask( (1L<<6) | (1L<<8) | (1L<<9) | (1L<< 10) | (1L<<11) | (1L<<12) | (1L<<13) ) ) | |||
168 | #define AllModifiersMask( (1<<0) | (1<<1) | (1<<2) | (1<<3) | (1<<4) | (1<<5) | (1<<6) | (1<<7) ) ( \ | |||
169 | ShiftMask(1<<0) | LockMask(1<<1) | ControlMask(1<<2) | Mod1Mask(1<<3) | Mod2Mask(1<<4) | \ | |||
170 | Mod3Mask(1<<5) | Mod4Mask(1<<6) | Mod5Mask(1<<7) ) | |||
171 | #define LastEventMask(1L<<24) OwnerGrabButtonMask(1L<<24) | |||
172 | #define AllEventMasks((1L<<24)|((1L<<24)-1)) (LastEventMask(1L<<24)|(LastEventMask(1L<<24)-1)) | |||
173 | ||||
174 | /* @return the core event type or 0 if the event is not a core event */ | |||
175 | static inline int | |||
176 | core_get_type(const xEvent *event) | |||
177 | { | |||
178 | int type = event->u.u.type; | |||
179 | ||||
180 | return ((type & EXTENSION_EVENT_BASE64) || type == GenericEvent35) ? 0 : type; | |||
181 | } | |||
182 | ||||
183 | /* @return the XI2 event type or 0 if the event is not a XI2 event */ | |||
184 | static inline int | |||
185 | xi2_get_type(const xEvent *event) | |||
186 | { | |||
187 | const xGenericEvent *e = (const xGenericEvent *) event; | |||
188 | ||||
189 | return (e->type != GenericEvent35 || | |||
190 | e->extension != IReqCode) ? 0 : e->evtype; | |||
191 | } | |||
192 | ||||
193 | /** | |||
194 | * Used to indicate a implicit passive grab created by a ButtonPress event. | |||
195 | * See DeliverEventsToWindow(). | |||
196 | */ | |||
197 | #define ImplicitGrabMask(1 << 7) (1 << 7) | |||
198 | ||||
199 | #define WID(w)((w) ? ((w)->drawable.id) : 0) ((w) ? ((w)->drawable.id) : 0) | |||
200 | ||||
201 | #define XE_KBPTR(xE->u.keyButtonPointer) (xE->u.keyButtonPointer) | |||
202 | ||||
203 | CallbackListPtr EventCallback; | |||
204 | CallbackListPtr DeviceEventCallback; | |||
205 | ||||
206 | #define DNPMCOUNT8 8 | |||
207 | ||||
208 | Mask DontPropagateMasks[DNPMCOUNT8]; | |||
209 | static int DontPropagateRefCnts[DNPMCOUNT8]; | |||
210 | ||||
211 | static void CheckVirtualMotion(DeviceIntPtr pDev, QdEventPtr qe, | |||
212 | WindowPtr pWin); | |||
213 | static void CheckPhysLimits(DeviceIntPtr pDev, CursorPtr cursor, | |||
214 | Bool generateEvents, Bool confineToScreen, | |||
215 | ScreenPtr pScreen); | |||
216 | static Bool IsWrongPointerBarrierClient(ClientPtr client, | |||
217 | DeviceIntPtr dev, | |||
218 | xEvent *event); | |||
219 | ||||
220 | /** Key repeat hack. Do not use but in TryClientEvents */ | |||
221 | extern BOOL EventIsKeyRepeat(xEvent *event); | |||
222 | ||||
223 | /** | |||
224 | * Main input device struct. | |||
225 | * inputInfo.pointer | |||
226 | * is the core pointer. Referred to as "virtual core pointer", "VCP", | |||
227 | * "core pointer" or inputInfo.pointer. The VCP is the first master | |||
228 | * pointer device and cannot be deleted. | |||
229 | * | |||
230 | * inputInfo.keyboard | |||
231 | * is the core keyboard ("virtual core keyboard", "VCK", "core keyboard"). | |||
232 | * See inputInfo.pointer. | |||
233 | * | |||
234 | * inputInfo.devices | |||
235 | * linked list containing all devices including VCP and VCK. | |||
236 | * | |||
237 | * inputInfo.off_devices | |||
238 | * Devices that have not been initialized and are thus turned off. | |||
239 | * | |||
240 | * inputInfo.numDevices | |||
241 | * Total number of devices. | |||
242 | * | |||
243 | * inputInfo.all_devices | |||
244 | * Virtual device used for XIAllDevices passive grabs. This device is | |||
245 | * not part of the inputInfo.devices list and mostly unset except for | |||
246 | * the deviceid. It exists because passivegrabs need a valid device | |||
247 | * reference. | |||
248 | * | |||
249 | * inputInfo.all_master_devices | |||
250 | * Virtual device used for XIAllMasterDevices passive grabs. This device | |||
251 | * is not part of the inputInfo.devices list and mostly unset except for | |||
252 | * the deviceid. It exists because passivegrabs need a valid device | |||
253 | * reference. | |||
254 | */ | |||
255 | InputInfo inputInfo; | |||
256 | ||||
257 | EventSyncInfoRec syncEvents; | |||
258 | ||||
259 | static struct DeviceEventTime { | |||
260 | Bool reset; | |||
261 | TimeStamp time; | |||
262 | } lastDeviceEventTime[MAXDEVICES40]; | |||
263 | ||||
264 | /** | |||
265 | * The root window the given device is currently on. | |||
266 | */ | |||
267 | #define RootWindow(sprite)sprite->spriteTrace[0] sprite->spriteTrace[0] | |||
268 | ||||
269 | static xEvent *swapEvent = NULL((void*)0); | |||
270 | static int swapEventLen = 0; | |||
271 | ||||
272 | void | |||
273 | NotImplemented(xEvent *from, xEvent *to) | |||
274 | { | |||
275 | FatalError("Not implemented"); | |||
276 | } | |||
277 | ||||
278 | /** | |||
279 | * Convert the given event type from an XI event to a core event. | |||
280 | * @param[in] The XI 1.x event type. | |||
281 | * @return The matching core event type or 0 if there is none. | |||
282 | */ | |||
283 | int | |||
284 | XItoCoreType(int xitype) | |||
285 | { | |||
286 | int coretype = 0; | |||
287 | ||||
288 | if (xitype == DeviceMotionNotify) | |||
289 | coretype = MotionNotify6; | |||
290 | else if (xitype == DeviceButtonPress) | |||
291 | coretype = ButtonPress4; | |||
292 | else if (xitype == DeviceButtonRelease) | |||
293 | coretype = ButtonRelease5; | |||
294 | else if (xitype == DeviceKeyPress) | |||
295 | coretype = KeyPress2; | |||
296 | else if (xitype == DeviceKeyRelease) | |||
297 | coretype = KeyRelease3; | |||
298 | ||||
299 | return coretype; | |||
300 | } | |||
301 | ||||
302 | /** | |||
303 | * @return true if the device owns a cursor, false if device shares a cursor | |||
304 | * sprite with another device. | |||
305 | */ | |||
306 | Bool | |||
307 | DevHasCursor(DeviceIntPtr pDev) | |||
308 | { | |||
309 | return pDev->spriteInfo->spriteOwner; | |||
310 | } | |||
311 | ||||
312 | /* | |||
313 | * @return true if a device is a pointer, check is the same as used by XI to | |||
314 | * fill the 'use' field. | |||
315 | */ | |||
316 | Bool | |||
317 | IsPointerDevice(DeviceIntPtr dev) | |||
318 | { | |||
319 | return (dev->type == MASTER_POINTER1) || | |||
320 | (dev->valuator && dev->button) || (dev->valuator && !dev->key); | |||
321 | } | |||
322 | ||||
323 | /* | |||
324 | * @return true if a device is a keyboard, check is the same as used by XI to | |||
325 | * fill the 'use' field. | |||
326 | * | |||
327 | * Some pointer devices have keys as well (e.g. multimedia keys). Try to not | |||
328 | * count them as keyboard devices. | |||
329 | */ | |||
330 | Bool | |||
331 | IsKeyboardDevice(DeviceIntPtr dev) | |||
332 | { | |||
333 | return (dev->type == MASTER_KEYBOARD2) || | |||
334 | ((dev->key && dev->kbdfeed) && !IsPointerDevice(dev)); | |||
335 | } | |||
336 | ||||
337 | Bool | |||
338 | IsMaster(DeviceIntPtr dev) | |||
339 | { | |||
340 | return dev->type == MASTER_POINTER1 || dev->type == MASTER_KEYBOARD2; | |||
341 | } | |||
342 | ||||
343 | Bool | |||
344 | IsFloating(DeviceIntPtr dev) | |||
345 | { | |||
346 | return !IsMaster(dev) && GetMaster(dev, MASTER_KEYBOARD2) == NULL((void*)0); | |||
347 | } | |||
348 | ||||
349 | /** | |||
350 | * Max event opcode. | |||
351 | */ | |||
352 | extern int lastEvent; | |||
353 | ||||
354 | #define CantBeFiltered0L NoEventMask0L | |||
355 | /** | |||
356 | * Event masks for each event type. | |||
357 | * | |||
358 | * One set of filters for each device, initialized by memcpy of | |||
359 | * default_filter in InitEvents. | |||
360 | * | |||
361 | * Filters are used whether a given event may be delivered to a client, | |||
362 | * usually in the form of if (window-event-mask & filter); then deliver event. | |||
363 | * | |||
364 | * One notable filter is for PointerMotion/DevicePointerMotion events. Each | |||
365 | * time a button is pressed, the filter is modified to also contain the | |||
366 | * matching ButtonXMotion mask. | |||
367 | */ | |||
368 | Mask event_filters[MAXDEVICES40][MAXEVENTS128]; | |||
369 | ||||
370 | static const Mask default_filter[MAXEVENTS128] = { | |||
371 | NoSuchEvent0x80000000, /* 0 */ | |||
372 | NoSuchEvent0x80000000, /* 1 */ | |||
373 | KeyPressMask(1L<<0), /* KeyPress */ | |||
374 | KeyReleaseMask(1L<<1), /* KeyRelease */ | |||
375 | ButtonPressMask(1L<<2), /* ButtonPress */ | |||
376 | ButtonReleaseMask(1L<<3), /* ButtonRelease */ | |||
377 | PointerMotionMask(1L<<6), /* MotionNotify (initial state) */ | |||
378 | EnterWindowMask(1L<<4), /* EnterNotify */ | |||
379 | LeaveWindowMask(1L<<5), /* LeaveNotify */ | |||
380 | FocusChangeMask(1L<<21), /* FocusIn */ | |||
381 | FocusChangeMask(1L<<21), /* FocusOut */ | |||
382 | KeymapStateMask(1L<<14), /* KeymapNotify */ | |||
383 | ExposureMask(1L<<15), /* Expose */ | |||
384 | CantBeFiltered0L, /* GraphicsExpose */ | |||
385 | CantBeFiltered0L, /* NoExpose */ | |||
386 | VisibilityChangeMask(1L<<16), /* VisibilityNotify */ | |||
387 | SubstructureNotifyMask(1L<<19), /* CreateNotify */ | |||
388 | StructureAndSubMask( (1L<<17) | (1L<<19) ), /* DestroyNotify */ | |||
389 | StructureAndSubMask( (1L<<17) | (1L<<19) ), /* UnmapNotify */ | |||
390 | StructureAndSubMask( (1L<<17) | (1L<<19) ), /* MapNotify */ | |||
391 | SubstructureRedirectMask(1L<<20), /* MapRequest */ | |||
392 | StructureAndSubMask( (1L<<17) | (1L<<19) ), /* ReparentNotify */ | |||
393 | StructureAndSubMask( (1L<<17) | (1L<<19) ), /* ConfigureNotify */ | |||
394 | SubstructureRedirectMask(1L<<20), /* ConfigureRequest */ | |||
395 | StructureAndSubMask( (1L<<17) | (1L<<19) ), /* GravityNotify */ | |||
396 | ResizeRedirectMask(1L<<18), /* ResizeRequest */ | |||
397 | StructureAndSubMask( (1L<<17) | (1L<<19) ), /* CirculateNotify */ | |||
398 | SubstructureRedirectMask(1L<<20), /* CirculateRequest */ | |||
399 | PropertyChangeMask(1L<<22), /* PropertyNotify */ | |||
400 | CantBeFiltered0L, /* SelectionClear */ | |||
401 | CantBeFiltered0L, /* SelectionRequest */ | |||
402 | CantBeFiltered0L, /* SelectionNotify */ | |||
403 | ColormapChangeMask(1L<<23), /* ColormapNotify */ | |||
404 | CantBeFiltered0L, /* ClientMessage */ | |||
405 | CantBeFiltered0L /* MappingNotify */ | |||
406 | }; | |||
407 | ||||
408 | /** | |||
409 | * For the given event, return the matching event filter. This filter may then | |||
410 | * be AND'ed with the selected event mask. | |||
411 | * | |||
412 | * For XI2 events, the returned filter is simply the byte containing the event | |||
413 | * mask we're interested in. E.g. for a mask of (1 << 13), this would be | |||
414 | * byte[1]. | |||
415 | * | |||
416 | * @param[in] dev The device the event belongs to, may be NULL. | |||
417 | * @param[in] event The event to get the filter for. Only the type of the | |||
418 | * event matters, or the extension + evtype for GenericEvents. | |||
419 | * @return The filter mask for the given event. | |||
420 | * | |||
421 | * @see GetEventMask | |||
422 | */ | |||
423 | Mask | |||
424 | GetEventFilter(DeviceIntPtr dev, xEvent *event) | |||
425 | { | |||
426 | int evtype = 0; | |||
427 | ||||
428 | if (event->u.u.type != GenericEvent35) | |||
429 | return event_get_filter_from_type(dev, event->u.u.type); | |||
430 | else if ((evtype = xi2_get_type(event))) | |||
431 | return event_get_filter_from_xi2type(evtype); | |||
432 | ErrorF("[dix] Unknown event type %d. No filter\n", event->u.u.type); | |||
433 | return 0; | |||
434 | } | |||
435 | ||||
436 | /** | |||
437 | * Return the single byte of the device's XI2 mask that contains the mask | |||
438 | * for the event_type. | |||
439 | */ | |||
440 | int | |||
441 | GetXI2MaskByte(XI2Mask *mask, DeviceIntPtr dev, int event_type) | |||
442 | { | |||
443 | /* we just return the matching filter because that's the only use | |||
444 | * for this mask anyway. | |||
445 | */ | |||
446 | if (xi2mask_isset(mask, dev, event_type)) | |||
447 | return event_get_filter_from_xi2type(event_type); | |||
448 | else | |||
449 | return 0; | |||
450 | } | |||
451 | ||||
452 | /** | |||
453 | * @return TRUE if the mask is set for this event from this device on the | |||
454 | * window, or FALSE otherwise. | |||
455 | */ | |||
456 | Bool | |||
457 | WindowXI2MaskIsset(DeviceIntPtr dev, WindowPtr win, xEvent *ev) | |||
458 | { | |||
459 | OtherInputMasks *inputMasks = wOtherInputMasks(win)((win)->optional ? (win)->optional->inputMasks : ((void *)0)); | |||
460 | int evtype; | |||
461 | ||||
462 | if (!inputMasks || xi2_get_type(ev) == 0) | |||
463 | return 0; | |||
464 | ||||
465 | evtype = ((xGenericEvent *) ev)->evtype; | |||
466 | ||||
467 | return xi2mask_isset(inputMasks->xi2mask, dev, evtype); | |||
468 | } | |||
469 | ||||
470 | Mask | |||
471 | GetEventMask(DeviceIntPtr dev, xEvent *event, InputClients * other) | |||
472 | { | |||
473 | int evtype; | |||
474 | ||||
475 | /* XI2 filters are only ever 8 bit, so let's return a 8 bit mask */ | |||
476 | if ((evtype = xi2_get_type(event))) { | |||
477 | return GetXI2MaskByte(other->xi2mask, dev, evtype); | |||
478 | } | |||
479 | else if (core_get_type(event) != 0) | |||
480 | return other->mask[XIAllDevices0]; | |||
481 | else | |||
482 | return other->mask[dev->id]; | |||
483 | } | |||
484 | ||||
485 | static CARD8 criticalEvents[32] = { | |||
486 | 0x7c, 0x30, 0x40 /* key, button, expose, and configure events */ | |||
487 | }; | |||
488 | ||||
489 | static void | |||
490 | SyntheticMotion(DeviceIntPtr dev, int x, int y) | |||
491 | { | |||
492 | int screenno = 0; | |||
493 | ||||
494 | #ifdef PANORAMIX1 | |||
495 | if (!noPanoramiXExtension) | |||
496 | screenno = dev->spriteInfo->sprite->screen->myNum; | |||
497 | #endif | |||
498 | PostSyntheticMotion(dev, x, y, screenno, | |||
499 | (syncEvents.playingEvents) ? syncEvents.time. | |||
500 | milliseconds : currentTime.milliseconds); | |||
501 | ||||
502 | } | |||
503 | ||||
504 | #ifdef PANORAMIX1 | |||
505 | static void PostNewCursor(DeviceIntPtr pDev); | |||
506 | ||||
507 | static Bool | |||
508 | XineramaSetCursorPosition(DeviceIntPtr pDev, int x, int y, Bool generateEvent) | |||
509 | { | |||
510 | ScreenPtr pScreen; | |||
511 | int i; | |||
512 | SpritePtr pSprite = pDev->spriteInfo->sprite; | |||
513 | ||||
514 | /* x,y are in Screen 0 coordinates. We need to decide what Screen | |||
515 | to send the message too and what the coordinates relative to | |||
516 | that screen are. */ | |||
517 | ||||
518 | pScreen = pSprite->screen; | |||
519 | x += screenInfo.screens[0]->x; | |||
520 | y += screenInfo.screens[0]->y; | |||
521 | ||||
522 | if (!point_on_screen(pScreen, x, y)) { | |||
523 | FOR_NSCREENS(i)for(i = 0; i < PanoramiXNumScreens; i++) { | |||
524 | if (i == pScreen->myNum) | |||
525 | continue; | |||
526 | if (point_on_screen(screenInfo.screens[i], x, y)) { | |||
527 | pScreen = screenInfo.screens[i]; | |||
528 | break; | |||
529 | } | |||
530 | } | |||
531 | } | |||
532 | ||||
533 | pSprite->screen = pScreen; | |||
534 | pSprite->hotPhys.x = x - screenInfo.screens[0]->x; | |||
535 | pSprite->hotPhys.y = y - screenInfo.screens[0]->y; | |||
536 | x -= pScreen->x; | |||
537 | y -= pScreen->y; | |||
538 | ||||
539 | return (*pScreen->SetCursorPosition) (pDev, pScreen, x, y, generateEvent); | |||
540 | } | |||
541 | ||||
542 | static void | |||
543 | XineramaConstrainCursor(DeviceIntPtr pDev) | |||
544 | { | |||
545 | SpritePtr pSprite = pDev->spriteInfo->sprite; | |||
546 | ScreenPtr pScreen; | |||
547 | BoxRec newBox; | |||
548 | ||||
549 | pScreen = pSprite->screen; | |||
550 | newBox = pSprite->physLimits; | |||
551 | ||||
552 | /* Translate the constraining box to the screen | |||
553 | the sprite is actually on */ | |||
554 | newBox.x1 += screenInfo.screens[0]->x - pScreen->x; | |||
555 | newBox.x2 += screenInfo.screens[0]->x - pScreen->x; | |||
556 | newBox.y1 += screenInfo.screens[0]->y - pScreen->y; | |||
557 | newBox.y2 += screenInfo.screens[0]->y - pScreen->y; | |||
558 | ||||
559 | (*pScreen->ConstrainCursor) (pDev, pScreen, &newBox); | |||
560 | } | |||
561 | ||||
562 | static Bool | |||
563 | XineramaSetWindowPntrs(DeviceIntPtr pDev, WindowPtr pWin) | |||
564 | { | |||
565 | SpritePtr pSprite = pDev->spriteInfo->sprite; | |||
566 | ||||
567 | if (pWin == screenInfo.screens[0]->root) { | |||
568 | int i; | |||
569 | ||||
570 | FOR_NSCREENS(i)for(i = 0; i < PanoramiXNumScreens; i++) | |||
571 | pSprite->windows[i] = screenInfo.screens[i]->root; | |||
572 | } | |||
573 | else { | |||
574 | PanoramiXRes *win; | |||
575 | int rc, i; | |||
576 | ||||
577 | rc = dixLookupResourceByType((void **) &win, pWin->drawable.id, | |||
578 | XRT_WINDOW, serverClient, DixReadAccess(1<<0)); | |||
579 | if (rc != Success0) | |||
580 | return FALSE0; | |||
581 | ||||
582 | FOR_NSCREENS(i)for(i = 0; i < PanoramiXNumScreens; i++) { | |||
583 | rc = dixLookupWindow(pSprite->windows + i, win->info[i].id, | |||
584 | serverClient, DixReadAccess(1<<0)); | |||
585 | if (rc != Success0) /* window is being unmapped */ | |||
586 | return FALSE0; | |||
587 | } | |||
588 | } | |||
589 | return TRUE1; | |||
590 | } | |||
591 | ||||
592 | static void | |||
593 | XineramaConfineCursorToWindow(DeviceIntPtr pDev, | |||
594 | WindowPtr pWin, Bool generateEvents) | |||
595 | { | |||
596 | SpritePtr pSprite = pDev->spriteInfo->sprite; | |||
597 | ||||
598 | int x, y, off_x, off_y, i; | |||
599 | ||||
600 | if (!XineramaSetWindowPntrs(pDev, pWin)) | |||
601 | return; | |||
602 | ||||
603 | i = PanoramiXNumScreens - 1; | |||
604 | ||||
605 | RegionCopy(&pSprite->Reg1, &pSprite->windows[i]->borderSize); | |||
606 | off_x = screenInfo.screens[i]->x; | |||
607 | off_y = screenInfo.screens[i]->y; | |||
608 | ||||
609 | while (i--) { | |||
610 | x = off_x - screenInfo.screens[i]->x; | |||
611 | y = off_y - screenInfo.screens[i]->y; | |||
612 | ||||
613 | if (x || y) | |||
614 | RegionTranslate(&pSprite->Reg1, x, y); | |||
615 | ||||
616 | RegionUnion(&pSprite->Reg1, &pSprite->Reg1, | |||
617 | &pSprite->windows[i]->borderSize); | |||
618 | ||||
619 | off_x = screenInfo.screens[i]->x; | |||
620 | off_y = screenInfo.screens[i]->y; | |||
621 | } | |||
622 | ||||
623 | pSprite->hotLimits = *RegionExtents(&pSprite->Reg1); | |||
624 | ||||
625 | if (RegionNumRects(&pSprite->Reg1) > 1) | |||
626 | pSprite->hotShape = &pSprite->Reg1; | |||
627 | else | |||
628 | pSprite->hotShape = NullRegion((RegionPtr)0); | |||
629 | ||||
630 | pSprite->confined = FALSE0; | |||
631 | pSprite->confineWin = | |||
632 | (pWin == screenInfo.screens[0]->root) ? NullWindow((WindowPtr) 0) : pWin; | |||
633 | ||||
634 | CheckPhysLimits(pDev, pSprite->current, generateEvents, FALSE0, NULL((void*)0)); | |||
635 | } | |||
636 | ||||
637 | #endif /* PANORAMIX */ | |||
638 | ||||
639 | /** | |||
640 | * Modifies the filter for the given protocol event type to the given masks. | |||
641 | * | |||
642 | * There's only two callers: UpdateDeviceState() and XI's SetMaskForExtEvent(). | |||
643 | * The latter initialises masks for the matching XI events, it's a once-off | |||
644 | * setting. | |||
645 | * UDS however changes the mask for MotionNotify and DeviceMotionNotify each | |||
646 | * time a button is pressed to include the matching ButtonXMotion mask in the | |||
647 | * filter. | |||
648 | * | |||
649 | * @param[in] deviceid The device to modify the filter for. | |||
650 | * @param[in] mask The new filter mask. | |||
651 | * @param[in] event Protocol event type. | |||
652 | */ | |||
653 | void | |||
654 | SetMaskForEvent(int deviceid, Mask mask, int event) | |||
655 | { | |||
656 | if (deviceid < 0 || deviceid >= MAXDEVICES40) | |||
657 | FatalError("SetMaskForEvent: bogus device id"); | |||
658 | event_filters[deviceid][event] = mask; | |||
659 | } | |||
660 | ||||
661 | void | |||
662 | SetCriticalEvent(int event) | |||
663 | { | |||
664 | if (event >= MAXEVENTS128) | |||
665 | FatalError("SetCriticalEvent: bogus event number"); | |||
666 | criticalEvents[event >> 3] |= 1 << (event & 7); | |||
667 | } | |||
668 | ||||
669 | void | |||
670 | ConfineToShape(DeviceIntPtr pDev, RegionPtr shape, int *px, int *py) | |||
671 | { | |||
672 | BoxRec box; | |||
673 | int x = *px, y = *py; | |||
674 | int incx = 1, incy = 1; | |||
675 | ||||
676 | if (RegionContainsPoint(shape, x, y, &box)) | |||
677 | return; | |||
678 | box = *RegionExtents(shape); | |||
679 | /* this is rather crude */ | |||
680 | do { | |||
681 | x += incx; | |||
682 | if (x >= box.x2) { | |||
683 | incx = -1; | |||
684 | x = *px - 1; | |||
685 | } | |||
686 | else if (x < box.x1) { | |||
687 | incx = 1; | |||
688 | x = *px; | |||
689 | y += incy; | |||
690 | if (y >= box.y2) { | |||
691 | incy = -1; | |||
692 | y = *py - 1; | |||
693 | } | |||
694 | else if (y < box.y1) | |||
695 | return; /* should never get here! */ | |||
696 | } | |||
697 | } while (!RegionContainsPoint(shape, x, y, &box)); | |||
698 | *px = x; | |||
699 | *py = y; | |||
700 | } | |||
701 | ||||
702 | static void | |||
703 | CheckPhysLimits(DeviceIntPtr pDev, CursorPtr cursor, Bool generateEvents, | |||
704 | Bool confineToScreen, /* unused if PanoramiX on */ | |||
705 | ScreenPtr pScreen) /* unused if PanoramiX on */ | |||
706 | { | |||
707 | HotSpot new; | |||
708 | SpritePtr pSprite = pDev->spriteInfo->sprite; | |||
709 | ||||
710 | if (!cursor) | |||
711 | return; | |||
712 | new = pSprite->hotPhys; | |||
713 | #ifdef PANORAMIX1 | |||
714 | if (!noPanoramiXExtension) | |||
715 | /* I don't care what the DDX has to say about it */ | |||
716 | pSprite->physLimits = pSprite->hotLimits; | |||
717 | else | |||
718 | #endif | |||
719 | { | |||
720 | if (pScreen) | |||
721 | new.pScreen = pScreen; | |||
722 | else | |||
723 | pScreen = new.pScreen; | |||
724 | (*pScreen->CursorLimits) (pDev, pScreen, cursor, &pSprite->hotLimits, | |||
725 | &pSprite->physLimits); | |||
726 | pSprite->confined = confineToScreen; | |||
727 | (*pScreen->ConstrainCursor) (pDev, pScreen, &pSprite->physLimits); | |||
728 | } | |||
729 | ||||
730 | /* constrain the pointer to those limits */ | |||
731 | if (new.x < pSprite->physLimits.x1) | |||
732 | new.x = pSprite->physLimits.x1; | |||
733 | else if (new.x >= pSprite->physLimits.x2) | |||
734 | new.x = pSprite->physLimits.x2 - 1; | |||
735 | if (new.y < pSprite->physLimits.y1) | |||
736 | new.y = pSprite->physLimits.y1; | |||
737 | else if (new.y >= pSprite->physLimits.y2) | |||
738 | new.y = pSprite->physLimits.y2 - 1; | |||
739 | if (pSprite->hotShape) | |||
740 | ConfineToShape(pDev, pSprite->hotShape, &new.x, &new.y); | |||
741 | if (( | |||
742 | #ifdef PANORAMIX1 | |||
743 | noPanoramiXExtension && | |||
744 | #endif | |||
745 | (pScreen != pSprite->hotPhys.pScreen)) || | |||
746 | (new.x != pSprite->hotPhys.x) || (new.y != pSprite->hotPhys.y)) { | |||
747 | #ifdef PANORAMIX1 | |||
748 | if (!noPanoramiXExtension) | |||
749 | XineramaSetCursorPosition(pDev, new.x, new.y, generateEvents); | |||
750 | else | |||
751 | #endif | |||
752 | { | |||
753 | if (pScreen != pSprite->hotPhys.pScreen) | |||
754 | pSprite->hotPhys = new; | |||
755 | (*pScreen->SetCursorPosition) | |||
756 | (pDev, pScreen, new.x, new.y, generateEvents); | |||
757 | } | |||
758 | if (!generateEvents) | |||
759 | SyntheticMotion(pDev, new.x, new.y); | |||
760 | } | |||
761 | ||||
762 | #ifdef PANORAMIX1 | |||
763 | /* Tell DDX what the limits are */ | |||
764 | if (!noPanoramiXExtension) | |||
765 | XineramaConstrainCursor(pDev); | |||
766 | #endif | |||
767 | } | |||
768 | ||||
769 | static void | |||
770 | CheckVirtualMotion(DeviceIntPtr pDev, QdEventPtr qe, WindowPtr pWin) | |||
771 | { | |||
772 | SpritePtr pSprite = pDev->spriteInfo->sprite; | |||
773 | RegionPtr reg = NULL((void*)0); | |||
774 | DeviceEvent *ev = NULL((void*)0); | |||
775 | ||||
776 | if (qe) { | |||
777 | ev = &qe->event->device_event; | |||
778 | switch (ev->type) { | |||
779 | case ET_Motion: | |||
780 | case ET_ButtonPress: | |||
781 | case ET_ButtonRelease: | |||
782 | case ET_KeyPress: | |||
783 | case ET_KeyRelease: | |||
784 | case ET_ProximityIn: | |||
785 | case ET_ProximityOut: | |||
786 | pSprite->hot.pScreen = qe->pScreen; | |||
787 | pSprite->hot.x = ev->root_x; | |||
788 | pSprite->hot.y = ev->root_y; | |||
789 | pWin = | |||
790 | pDev->deviceGrab.grab ? pDev->deviceGrab.grab-> | |||
791 | confineTo : NullWindow((WindowPtr) 0); | |||
792 | break; | |||
793 | default: | |||
794 | break; | |||
795 | } | |||
796 | } | |||
797 | if (pWin) { | |||
798 | BoxRec lims; | |||
799 | ||||
800 | #ifdef PANORAMIX1 | |||
801 | if (!noPanoramiXExtension) { | |||
802 | int x, y, off_x, off_y, i; | |||
803 | ||||
804 | if (!XineramaSetWindowPntrs(pDev, pWin)) | |||
805 | return; | |||
806 | ||||
807 | i = PanoramiXNumScreens - 1; | |||
808 | ||||
809 | RegionCopy(&pSprite->Reg2, &pSprite->windows[i]->borderSize); | |||
810 | off_x = screenInfo.screens[i]->x; | |||
811 | off_y = screenInfo.screens[i]->y; | |||
812 | ||||
813 | while (i--) { | |||
814 | x = off_x - screenInfo.screens[i]->x; | |||
815 | y = off_y - screenInfo.screens[i]->y; | |||
816 | ||||
817 | if (x || y) | |||
818 | RegionTranslate(&pSprite->Reg2, x, y); | |||
819 | ||||
820 | RegionUnion(&pSprite->Reg2, &pSprite->Reg2, | |||
821 | &pSprite->windows[i]->borderSize); | |||
822 | ||||
823 | off_x = screenInfo.screens[i]->x; | |||
824 | off_y = screenInfo.screens[i]->y; | |||
825 | } | |||
826 | } | |||
827 | else | |||
828 | #endif | |||
829 | { | |||
830 | if (pSprite->hot.pScreen != pWin->drawable.pScreen) { | |||
831 | pSprite->hot.pScreen = pWin->drawable.pScreen; | |||
832 | pSprite->hot.x = pSprite->hot.y = 0; | |||
833 | } | |||
834 | } | |||
835 | ||||
836 | lims = *RegionExtents(&pWin->borderSize); | |||
837 | if (pSprite->hot.x < lims.x1) | |||
838 | pSprite->hot.x = lims.x1; | |||
839 | else if (pSprite->hot.x >= lims.x2) | |||
840 | pSprite->hot.x = lims.x2 - 1; | |||
841 | if (pSprite->hot.y < lims.y1) | |||
842 | pSprite->hot.y = lims.y1; | |||
843 | else if (pSprite->hot.y >= lims.y2) | |||
844 | pSprite->hot.y = lims.y2 - 1; | |||
845 | ||||
846 | #ifdef PANORAMIX1 | |||
847 | if (!noPanoramiXExtension) { | |||
848 | if (RegionNumRects(&pSprite->Reg2) > 1) | |||
849 | reg = &pSprite->Reg2; | |||
850 | ||||
851 | } | |||
852 | else | |||
853 | #endif | |||
854 | { | |||
855 | if (wBoundingShape(pWin)((pWin)->optional ? (pWin)->optional->boundingShape : ((void*)0))) | |||
856 | reg = &pWin->borderSize; | |||
857 | } | |||
858 | ||||
859 | if (reg) | |||
860 | ConfineToShape(pDev, reg, &pSprite->hot.x, &pSprite->hot.y); | |||
861 | ||||
862 | if (qe && ev) { | |||
863 | qe->pScreen = pSprite->hot.pScreen; | |||
864 | ev->root_x = pSprite->hot.x; | |||
865 | ev->root_y = pSprite->hot.y; | |||
866 | } | |||
867 | } | |||
868 | #ifdef PANORAMIX1 | |||
869 | if (noPanoramiXExtension) /* No typo. Only set the root win if disabled */ | |||
870 | #endif | |||
871 | RootWindow(pDev->spriteInfo->sprite)pDev->spriteInfo->sprite->spriteTrace[0] = pSprite->hot.pScreen->root; | |||
872 | } | |||
873 | ||||
874 | static void | |||
875 | ConfineCursorToWindow(DeviceIntPtr pDev, WindowPtr pWin, Bool generateEvents, | |||
876 | Bool confineToScreen) | |||
877 | { | |||
878 | SpritePtr pSprite = pDev->spriteInfo->sprite; | |||
879 | ||||
880 | if (syncEvents.playingEvents) { | |||
881 | CheckVirtualMotion(pDev, (QdEventPtr) NULL((void*)0), pWin); | |||
882 | SyntheticMotion(pDev, pSprite->hot.x, pSprite->hot.y); | |||
883 | } | |||
884 | else { | |||
885 | #ifdef PANORAMIX1 | |||
886 | if (!noPanoramiXExtension) { | |||
887 | XineramaConfineCursorToWindow(pDev, pWin, generateEvents); | |||
888 | return; | |||
889 | } | |||
890 | #endif | |||
891 | pSprite->hotLimits = *RegionExtents(&pWin->borderSize); | |||
892 | pSprite->hotShape = wBoundingShape(pWin)((pWin)->optional ? (pWin)->optional->boundingShape : ((void*)0)) ? &pWin->borderSize | |||
893 | : NullRegion((RegionPtr)0); | |||
894 | CheckPhysLimits(pDev, pSprite->current, generateEvents, | |||
895 | confineToScreen, pWin->drawable.pScreen); | |||
896 | } | |||
897 | } | |||
898 | ||||
899 | Bool | |||
900 | PointerConfinedToScreen(DeviceIntPtr pDev) | |||
901 | { | |||
902 | return pDev->spriteInfo->sprite->confined; | |||
903 | } | |||
904 | ||||
905 | /** | |||
906 | * Update the sprite cursor to the given cursor. | |||
907 | * | |||
908 | * ChangeToCursor() will display the new cursor and free the old cursor (if | |||
909 | * applicable). If the provided cursor is already the updated cursor, nothing | |||
910 | * happens. | |||
911 | */ | |||
912 | static void | |||
913 | ChangeToCursor(DeviceIntPtr pDev, CursorPtr cursor) | |||
914 | { | |||
915 | SpritePtr pSprite = pDev->spriteInfo->sprite; | |||
916 | ScreenPtr pScreen; | |||
917 | ||||
918 | if (cursor != pSprite->current) { | |||
919 | if ((pSprite->current->bits->xhot != cursor->bits->xhot) || | |||
920 | (pSprite->current->bits->yhot != cursor->bits->yhot)) | |||
921 | CheckPhysLimits(pDev, cursor, FALSE0, pSprite->confined, | |||
922 | (ScreenPtr) NULL((void*)0)); | |||
923 | #ifdef PANORAMIX1 | |||
924 | /* XXX: is this really necessary?? (whot) */ | |||
925 | if (!noPanoramiXExtension) | |||
926 | pScreen = pSprite->screen; | |||
927 | else | |||
928 | #endif | |||
929 | pScreen = pSprite->hotPhys.pScreen; | |||
930 | ||||
931 | (*pScreen->DisplayCursor) (pDev, pScreen, cursor); | |||
932 | FreeCursor(pSprite->current, (Cursor) 0); | |||
933 | pSprite->current = RefCursor(cursor); | |||
934 | } | |||
935 | } | |||
936 | ||||
937 | /** | |||
938 | * @returns true if b is a descendent of a | |||
939 | */ | |||
940 | Bool | |||
941 | IsParent(WindowPtr a, WindowPtr b) | |||
942 | { | |||
943 | for (b = b->parent; b; b = b->parent) | |||
944 | if (b == a) | |||
945 | return TRUE1; | |||
946 | return FALSE0; | |||
947 | } | |||
948 | ||||
949 | /** | |||
950 | * Update the cursor displayed on the screen. | |||
951 | * | |||
952 | * Called whenever a cursor may have changed shape or position. | |||
953 | */ | |||
954 | static void | |||
955 | PostNewCursor(DeviceIntPtr pDev) | |||
956 | { | |||
957 | WindowPtr win; | |||
958 | GrabPtr grab = pDev->deviceGrab.grab; | |||
959 | SpritePtr pSprite = pDev->spriteInfo->sprite; | |||
960 | CursorPtr pCursor; | |||
961 | ||||
962 | if (syncEvents.playingEvents) | |||
963 | return; | |||
964 | if (grab) { | |||
965 | if (grab->cursor) { | |||
966 | ChangeToCursor(pDev, grab->cursor); | |||
967 | return; | |||
968 | } | |||
969 | if (IsParent(grab->window, pSprite->win)) | |||
970 | win = pSprite->win; | |||
971 | else | |||
972 | win = grab->window; | |||
973 | } | |||
974 | else | |||
975 | win = pSprite->win; | |||
976 | for (; win; win = win->parent) { | |||
977 | if (win->optional) { | |||
978 | pCursor = WindowGetDeviceCursor(win, pDev); | |||
979 | if (!pCursor && win->optional->cursor != NullCursor((CursorPtr)((void*)0))) | |||
980 | pCursor = win->optional->cursor; | |||
981 | if (pCursor) { | |||
982 | ChangeToCursor(pDev, pCursor); | |||
983 | return; | |||
984 | } | |||
985 | } | |||
986 | } | |||
987 | } | |||
988 | ||||
989 | /** | |||
990 | * @param dev device which you want to know its current root window | |||
991 | * @return root window where dev's sprite is located | |||
992 | */ | |||
993 | WindowPtr | |||
994 | GetCurrentRootWindow(DeviceIntPtr dev) | |||
995 | { | |||
996 | return RootWindow(dev->spriteInfo->sprite)dev->spriteInfo->sprite->spriteTrace[0]; | |||
997 | } | |||
998 | ||||
999 | /** | |||
1000 | * @return window underneath the cursor sprite. | |||
1001 | */ | |||
1002 | WindowPtr | |||
1003 | GetSpriteWindow(DeviceIntPtr pDev) | |||
1004 | { | |||
1005 | return pDev->spriteInfo->sprite->win; | |||
1006 | } | |||
1007 | ||||
1008 | /** | |||
1009 | * @return current sprite cursor. | |||
1010 | */ | |||
1011 | CursorPtr | |||
1012 | GetSpriteCursor(DeviceIntPtr pDev) | |||
1013 | { | |||
1014 | return pDev->spriteInfo->sprite->current; | |||
1015 | } | |||
1016 | ||||
1017 | /** | |||
1018 | * Set x/y current sprite position in screen coordinates. | |||
1019 | */ | |||
1020 | void | |||
1021 | GetSpritePosition(DeviceIntPtr pDev, int *px, int *py) | |||
1022 | { | |||
1023 | SpritePtr pSprite = pDev->spriteInfo->sprite; | |||
1024 | ||||
1025 | *px = pSprite->hotPhys.x; | |||
1026 | *py = pSprite->hotPhys.y; | |||
1027 | } | |||
1028 | ||||
1029 | #ifdef PANORAMIX1 | |||
1030 | int | |||
1031 | XineramaGetCursorScreen(DeviceIntPtr pDev) | |||
1032 | { | |||
1033 | if (!noPanoramiXExtension) { | |||
1034 | return pDev->spriteInfo->sprite->screen->myNum; | |||
1035 | } | |||
1036 | else { | |||
1037 | return 0; | |||
1038 | } | |||
1039 | } | |||
1040 | #endif /* PANORAMIX */ | |||
1041 | ||||
1042 | #define TIMESLOP(5 * 60 * 1000) (5 * 60 * 1000) /* 5 minutes */ | |||
1043 | ||||
1044 | static void | |||
1045 | MonthChangedOrBadTime(CARD32 *ms) | |||
1046 | { | |||
1047 | /* If the ddx/OS is careless about not processing timestamped events from | |||
1048 | * different sources in sorted order, then it's possible for time to go | |||
1049 | * backwards when it should not. Here we ensure a decent time. | |||
1050 | */ | |||
1051 | if ((currentTime.milliseconds - *ms) > TIMESLOP(5 * 60 * 1000)) | |||
1052 | currentTime.months++; | |||
1053 | else | |||
1054 | *ms = currentTime.milliseconds; | |||
1055 | } | |||
1056 | ||||
1057 | void | |||
1058 | NoticeTime(const DeviceIntPtr dev, TimeStamp time) | |||
1059 | { | |||
1060 | currentTime = time; | |||
1061 | lastDeviceEventTime[XIAllDevices0].time = currentTime; | |||
1062 | lastDeviceEventTime[dev->id].time = currentTime; | |||
1063 | ||||
1064 | LastEventTimeToggleResetFlag(dev->id, TRUE1); | |||
1065 | LastEventTimeToggleResetFlag(XIAllDevices0, TRUE1); | |||
1066 | } | |||
1067 | ||||
1068 | static void | |||
1069 | NoticeTimeMillis(const DeviceIntPtr dev, CARD32 *ms) | |||
1070 | { | |||
1071 | TimeStamp time; | |||
1072 | if (*ms < currentTime.milliseconds) | |||
1073 | MonthChangedOrBadTime(ms); | |||
1074 | time.months = currentTime.months; | |||
1075 | time.milliseconds = *ms; | |||
1076 | NoticeTime(dev, time); | |||
1077 | } | |||
1078 | ||||
1079 | void | |||
1080 | NoticeEventTime(InternalEvent *ev, DeviceIntPtr dev) | |||
1081 | { | |||
1082 | if (!syncEvents.playingEvents) | |||
1083 | NoticeTimeMillis(dev, &ev->any.time); | |||
1084 | } | |||
1085 | ||||
1086 | TimeStamp | |||
1087 | LastEventTime(int deviceid) | |||
1088 | { | |||
1089 | return lastDeviceEventTime[deviceid].time; | |||
1090 | } | |||
1091 | ||||
1092 | Bool | |||
1093 | LastEventTimeWasReset(int deviceid) | |||
1094 | { | |||
1095 | return lastDeviceEventTime[deviceid].reset; | |||
1096 | } | |||
1097 | ||||
1098 | void | |||
1099 | LastEventTimeToggleResetFlag(int deviceid, Bool state) | |||
1100 | { | |||
1101 | lastDeviceEventTime[deviceid].reset = state; | |||
1102 | } | |||
1103 | ||||
1104 | void | |||
1105 | LastEventTimeToggleResetAll(Bool state) | |||
1106 | { | |||
1107 | DeviceIntPtr dev; | |||
1108 | nt_list_for_each_entry(dev, inputInfo.devices, next)for (dev = inputInfo.devices; dev; dev = (dev)->next) { | |||
1109 | LastEventTimeToggleResetFlag(dev->id, FALSE0); | |||
1110 | } | |||
1111 | LastEventTimeToggleResetFlag(XIAllDevices0, FALSE0); | |||
1112 | LastEventTimeToggleResetFlag(XIAllMasterDevices1, FALSE0); | |||
1113 | } | |||
1114 | ||||
1115 | /************************************************************************** | |||
1116 | * The following procedures deal with synchronous events * | |||
1117 | **************************************************************************/ | |||
1118 | ||||
1119 | /** | |||
1120 | * EnqueueEvent is a device's processInputProc if a device is frozen. | |||
1121 | * Instead of delivering the events to the client, the event is tacked onto a | |||
1122 | * linked list for later delivery. | |||
1123 | */ | |||
1124 | void | |||
1125 | EnqueueEvent(InternalEvent *ev, DeviceIntPtr device) | |||
1126 | { | |||
1127 | QdEventPtr tail = NULL((void*)0); | |||
1128 | QdEventPtr qe; | |||
1129 | SpritePtr pSprite = device->spriteInfo->sprite; | |||
1130 | int eventlen; | |||
1131 | DeviceEvent *event = &ev->device_event; | |||
1132 | ||||
1133 | if (!xorg_list_is_empty(&syncEvents.pending)) | |||
1134 | tail = xorg_list_last_entry(&syncEvents.pending, QdEventRec, next)(QdEventRec *)((char *)((&syncEvents.pending)->prev) - __builtin_offsetof(QdEventRec, next)); | |||
1135 | ||||
1136 | NoticeTimeMillis(device, &ev->any.time); | |||
1137 | ||||
1138 | /* Fix for key repeating bug. */ | |||
1139 | if (device->key != NULL((void*)0) && device->key->xkbInfo != NULL((void*)0) && | |||
1140 | event->type == ET_KeyRelease) | |||
1141 | AccessXCancelRepeatKey(device->key->xkbInfo, event->detail.key); | |||
1142 | ||||
1143 | if (DeviceEventCallback) { | |||
1144 | DeviceEventInfoRec eventinfo; | |||
1145 | ||||
1146 | /* The RECORD spec says that the root window field of motion events | |||
1147 | * must be valid. At this point, it hasn't been filled in yet, so | |||
1148 | * we do it here. The long expression below is necessary to get | |||
1149 | * the current root window; the apparently reasonable alternative | |||
1150 | * GetCurrentRootWindow()->drawable.id doesn't give you the right | |||
1151 | * answer on the first motion event after a screen change because | |||
1152 | * the data that GetCurrentRootWindow relies on hasn't been | |||
1153 | * updated yet. | |||
1154 | */ | |||
1155 | if (ev->any.type == ET_Motion) | |||
1156 | ev->device_event.root = pSprite->hotPhys.pScreen->root->drawable.id; | |||
1157 | ||||
1158 | eventinfo.event = ev; | |||
1159 | eventinfo.device = device; | |||
1160 | CallCallbacks(&DeviceEventCallback, (void *) &eventinfo); | |||
1161 | } | |||
1162 | ||||
1163 | if (event->type == ET_Motion) { | |||
1164 | #ifdef PANORAMIX1 | |||
1165 | if (!noPanoramiXExtension) { | |||
1166 | event->root_x += pSprite->screen->x - screenInfo.screens[0]->x; | |||
1167 | event->root_y += pSprite->screen->y - screenInfo.screens[0]->y; | |||
1168 | } | |||
1169 | #endif | |||
1170 | pSprite->hotPhys.x = event->root_x; | |||
1171 | pSprite->hotPhys.y = event->root_y; | |||
1172 | /* do motion compression, but not if from different devices */ | |||
1173 | if (tail && | |||
1174 | (tail->event->any.type == ET_Motion) && | |||
1175 | (tail->device == device) && | |||
1176 | (tail->pScreen == pSprite->hotPhys.pScreen)) { | |||
1177 | DeviceEvent *tailev = &tail->event->device_event; | |||
1178 | ||||
1179 | tailev->root_x = pSprite->hotPhys.x; | |||
1180 | tailev->root_y = pSprite->hotPhys.y; | |||
1181 | tailev->time = event->time; | |||
1182 | tail->months = currentTime.months; | |||
1183 | return; | |||
1184 | } | |||
1185 | } | |||
1186 | ||||
1187 | eventlen = event->length; | |||
1188 | ||||
1189 | qe = malloc(sizeof(QdEventRec) + eventlen); | |||
1190 | if (!qe) | |||
1191 | return; | |||
1192 | xorg_list_init(&qe->next); | |||
1193 | qe->device = device; | |||
1194 | qe->pScreen = pSprite->hotPhys.pScreen; | |||
1195 | qe->months = currentTime.months; | |||
1196 | qe->event = (InternalEvent *) (qe + 1); | |||
1197 | memcpy(qe->event, event, eventlen)__builtin___memcpy_chk (qe->event, event, eventlen, __builtin_object_size (qe->event, 0)); | |||
1198 | xorg_list_append(&qe->next, &syncEvents.pending); | |||
1199 | } | |||
1200 | ||||
1201 | /** | |||
1202 | * Run through the list of events queued up in syncEvents. | |||
1203 | * For each event do: | |||
1204 | * If the device for this event is not frozen anymore, take it and process it | |||
1205 | * as usually. | |||
1206 | * After that, check if there's any devices in the list that are not frozen. | |||
1207 | * If there is none, we're done. If there is at least one device that is not | |||
1208 | * frozen, then re-run from the beginning of the event queue. | |||
1209 | */ | |||
1210 | void | |||
1211 | PlayReleasedEvents(void) | |||
1212 | { | |||
1213 | QdEventPtr tmp; | |||
1214 | QdEventPtr qe; | |||
1215 | DeviceIntPtr dev; | |||
1216 | DeviceIntPtr pDev; | |||
1217 | ||||
1218 | restart: | |||
1219 | xorg_list_for_each_entry_safe(qe, tmp, &syncEvents.pending, next)for (qe = ((void*)0), qe = (typeof(*qe) *)((char *)((&syncEvents .pending)->next) - __builtin_offsetof(typeof(*qe), next)), tmp = (typeof(*qe) *)((char *)(qe->next.next) - __builtin_offsetof (typeof(*qe), next)); &qe->next != (&syncEvents.pending ); qe = tmp, tmp = (typeof(*tmp) *)((char *)(qe->next.next ) - __builtin_offsetof(typeof(*tmp), next))) { | |||
1220 | if (!qe->device->deviceGrab.sync.frozen) { | |||
1221 | xorg_list_del(&qe->next); | |||
1222 | pDev = qe->device; | |||
1223 | if (qe->event->any.type == ET_Motion) | |||
1224 | CheckVirtualMotion(pDev, qe, NullWindow((WindowPtr) 0)); | |||
1225 | syncEvents.time.months = qe->months; | |||
1226 | syncEvents.time.milliseconds = qe->event->any.time; | |||
1227 | #ifdef PANORAMIX1 | |||
1228 | /* Translate back to the sprite screen since processInputProc | |||
1229 | will translate from sprite screen to screen 0 upon reentry | |||
1230 | to the DIX layer */ | |||
1231 | if (!noPanoramiXExtension) { | |||
1232 | DeviceEvent *ev = &qe->event->device_event; | |||
1233 | ||||
1234 | switch (ev->type) { | |||
1235 | case ET_Motion: | |||
1236 | case ET_ButtonPress: | |||
1237 | case ET_ButtonRelease: | |||
1238 | case ET_KeyPress: | |||
1239 | case ET_KeyRelease: | |||
1240 | case ET_ProximityIn: | |||
1241 | case ET_ProximityOut: | |||
1242 | case ET_TouchBegin: | |||
1243 | case ET_TouchUpdate: | |||
1244 | case ET_TouchEnd: | |||
1245 | ev->root_x += screenInfo.screens[0]->x - | |||
1246 | pDev->spriteInfo->sprite->screen->x; | |||
1247 | ev->root_y += screenInfo.screens[0]->y - | |||
1248 | pDev->spriteInfo->sprite->screen->y; | |||
1249 | break; | |||
1250 | default: | |||
1251 | break; | |||
1252 | } | |||
1253 | ||||
1254 | } | |||
1255 | #endif | |||
1256 | (*qe->device->public.processInputProc) (qe->event, qe->device); | |||
1257 | free(qe); | |||
1258 | for (dev = inputInfo.devices; dev && dev->deviceGrab.sync.frozen; | |||
1259 | dev = dev->next); | |||
1260 | if (!dev) | |||
1261 | break; | |||
1262 | ||||
1263 | /* Playing the event may have unfrozen another device. */ | |||
1264 | /* So to play it safe, restart at the head of the queue */ | |||
1265 | goto restart; | |||
1266 | } | |||
1267 | } | |||
1268 | } | |||
1269 | ||||
1270 | /** | |||
1271 | * Freeze or thaw the given devices. The device's processing proc is | |||
1272 | * switched to either the real processing proc (in case of thawing) or an | |||
1273 | * enqueuing processing proc (usually EnqueueEvent()). | |||
1274 | * | |||
1275 | * @param dev The device to freeze/thaw | |||
1276 | * @param frozen True to freeze or false to thaw. | |||
1277 | */ | |||
1278 | static void | |||
1279 | FreezeThaw(DeviceIntPtr dev, Bool frozen) | |||
1280 | { | |||
1281 | dev->deviceGrab.sync.frozen = frozen; | |||
1282 | if (frozen) | |||
1283 | dev->public.processInputProc = dev->public.enqueueInputProc; | |||
1284 | else | |||
1285 | dev->public.processInputProc = dev->public.realInputProc; | |||
1286 | } | |||
1287 | ||||
1288 | /** | |||
1289 | * Unfreeze devices and replay all events to the respective clients. | |||
1290 | * | |||
1291 | * ComputeFreezes takes the first event in the device's frozen event queue. It | |||
1292 | * runs up the sprite tree (spriteTrace) and searches for the window to replay | |||
1293 | * the events from. If it is found, it checks for passive grabs one down from | |||
1294 | * the window or delivers the events. | |||
1295 | */ | |||
1296 | static void | |||
1297 | ComputeFreezes(void) | |||
1298 | { | |||
1299 | DeviceIntPtr replayDev = syncEvents.replayDev; | |||
1300 | WindowPtr w; | |||
1301 | GrabPtr grab; | |||
1302 | DeviceIntPtr dev; | |||
1303 | ||||
1304 | for (dev = inputInfo.devices; dev; dev = dev->next) | |||
1305 | FreezeThaw(dev, dev->deviceGrab.sync.other || | |||
1306 | (dev->deviceGrab.sync.state >= FROZEN5)); | |||
1307 | if (syncEvents.playingEvents || | |||
1308 | (!replayDev && xorg_list_is_empty(&syncEvents.pending))) | |||
1309 | return; | |||
1310 | syncEvents.playingEvents = TRUE1; | |||
1311 | if (replayDev) { | |||
1312 | DeviceEvent *event = replayDev->deviceGrab.sync.event; | |||
1313 | ||||
1314 | syncEvents.replayDev = (DeviceIntPtr) NULL((void*)0); | |||
1315 | ||||
1316 | w = XYToWindow(replayDev->spriteInfo->sprite, | |||
1317 | event->root_x, event->root_y); | |||
1318 | if (!CheckDeviceGrabs(replayDev, event, syncEvents.replayWin)) { | |||
1319 | if (IsTouchEvent((InternalEvent *) event)) { | |||
1320 | TouchPointInfoPtr ti = | |||
1321 | TouchFindByClientID(replayDev, event->touchid); | |||
1322 | BUG_WARN(!ti)do { if (!ti) { ErrorFSigSafe("BUG: triggered 'if (" "!ti" ")'\n" ); ErrorFSigSafe("BUG: %s:%u in %s()\n", "events.c", 1322, __func__ ); if (0) ErrorFSigSafe(((void*)0)); xorg_backtrace(); } } while (0); | |||
1323 | ||||
1324 | TouchListenerAcceptReject(replayDev, ti, 0, XIRejectTouch7); | |||
1325 | } | |||
1326 | else if (replayDev->focus && | |||
1327 | !IsPointerEvent((InternalEvent *) event)) | |||
1328 | DeliverFocusedEvent(replayDev, (InternalEvent *) event, w); | |||
1329 | else | |||
1330 | DeliverDeviceEvents(w, (InternalEvent *) event, NullGrab((GrabPtr)((void*)0)), | |||
1331 | NullWindow((WindowPtr) 0), replayDev); | |||
1332 | } | |||
1333 | } | |||
1334 | for (dev = inputInfo.devices; dev; dev = dev->next) { | |||
1335 | if (!dev->deviceGrab.sync.frozen) { | |||
1336 | PlayReleasedEvents(); | |||
1337 | break; | |||
1338 | } | |||
1339 | } | |||
1340 | syncEvents.playingEvents = FALSE0; | |||
1341 | for (dev = inputInfo.devices; dev; dev = dev->next) { | |||
1342 | if (DevHasCursor(dev)) { | |||
1343 | /* the following may have been skipped during replay, | |||
1344 | so do it now */ | |||
1345 | if ((grab = dev->deviceGrab.grab) && grab->confineTo) { | |||
1346 | if (grab->confineTo->drawable.pScreen != | |||
1347 | dev->spriteInfo->sprite->hotPhys.pScreen) | |||
1348 | dev->spriteInfo->sprite->hotPhys.x = | |||
1349 | dev->spriteInfo->sprite->hotPhys.y = 0; | |||
1350 | ConfineCursorToWindow(dev, grab->confineTo, TRUE1, TRUE1); | |||
1351 | } | |||
1352 | else | |||
1353 | ConfineCursorToWindow(dev, | |||
1354 | dev->spriteInfo->sprite->hotPhys.pScreen-> | |||
1355 | root, TRUE1, FALSE0); | |||
1356 | PostNewCursor(dev); | |||
1357 | } | |||
1358 | } | |||
1359 | } | |||
1360 | ||||
1361 | #ifdef RANDR1 | |||
1362 | void | |||
1363 | ScreenRestructured(ScreenPtr pScreen) | |||
1364 | { | |||
1365 | GrabPtr grab; | |||
1366 | DeviceIntPtr pDev; | |||
1367 | ||||
1368 | for (pDev = inputInfo.devices; pDev; pDev = pDev->next) { | |||
1369 | if (!IsFloating(pDev) && !DevHasCursor(pDev)) | |||
1370 | continue; | |||
1371 | ||||
1372 | /* GrabDevice doesn't have a confineTo field, so we don't need to | |||
1373 | * worry about it. */ | |||
1374 | if ((grab = pDev->deviceGrab.grab) && grab->confineTo) { | |||
1375 | if (grab->confineTo->drawable.pScreen | |||
1376 | != pDev->spriteInfo->sprite->hotPhys.pScreen) | |||
1377 | pDev->spriteInfo->sprite->hotPhys.x = | |||
1378 | pDev->spriteInfo->sprite->hotPhys.y = 0; | |||
1379 | ConfineCursorToWindow(pDev, grab->confineTo, TRUE1, TRUE1); | |||
1380 | } | |||
1381 | else | |||
1382 | ConfineCursorToWindow(pDev, | |||
1383 | pDev->spriteInfo->sprite->hotPhys.pScreen-> | |||
1384 | root, TRUE1, FALSE0); | |||
1385 | } | |||
1386 | } | |||
1387 | #endif | |||
1388 | ||||
1389 | static void | |||
1390 | CheckGrabForSyncs(DeviceIntPtr thisDev, Bool thisMode, Bool otherMode) | |||
1391 | { | |||
1392 | GrabPtr grab = thisDev->deviceGrab.grab; | |||
1393 | DeviceIntPtr dev; | |||
1394 | ||||
1395 | if (thisMode == GrabModeSync0) | |||
1396 | thisDev->deviceGrab.sync.state = FROZEN_NO_EVENT5; | |||
1397 | else { /* free both if same client owns both */ | |||
1398 | thisDev->deviceGrab.sync.state = THAWED1; | |||
1399 | if (thisDev->deviceGrab.sync.other && | |||
1400 | (CLIENT_BITS(thisDev->deviceGrab.sync.other->resource)((thisDev->deviceGrab.sync.other->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) == | |||
1401 | CLIENT_BITS(grab->resource)((grab->resource) & (((1 << ResourceClientBits() ) - 1) << (29 - ResourceClientBits()))))) | |||
1402 | thisDev->deviceGrab.sync.other = NullGrab((GrabPtr)((void*)0)); | |||
1403 | } | |||
1404 | ||||
1405 | if (IsMaster(thisDev)) { | |||
1406 | dev = GetPairedDevice(thisDev); | |||
1407 | if (otherMode == GrabModeSync0) | |||
1408 | dev->deviceGrab.sync.other = grab; | |||
1409 | else { /* free both if same client owns both */ | |||
1410 | if (dev->deviceGrab.sync.other && | |||
1411 | (CLIENT_BITS(dev->deviceGrab.sync.other->resource)((dev->deviceGrab.sync.other->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) == | |||
1412 | CLIENT_BITS(grab->resource)((grab->resource) & (((1 << ResourceClientBits() ) - 1) << (29 - ResourceClientBits()))))) | |||
1413 | dev->deviceGrab.sync.other = NullGrab((GrabPtr)((void*)0)); | |||
1414 | } | |||
1415 | } | |||
1416 | ComputeFreezes(); | |||
1417 | } | |||
1418 | ||||
1419 | /** | |||
1420 | * Save the device's master device id. This needs to be done | |||
1421 | * if a client directly grabs a slave device that is attached to a master. For | |||
1422 | * the duration of the grab, the device is detached, ungrabbing re-attaches it | |||
1423 | * though. | |||
1424 | * | |||
1425 | * We store the ID of the master device only in case the master disappears | |||
1426 | * while the device has a grab. | |||
1427 | */ | |||
1428 | static void | |||
1429 | DetachFromMaster(DeviceIntPtr dev) | |||
1430 | { | |||
1431 | if (IsFloating(dev)) | |||
1432 | return; | |||
1433 | ||||
1434 | dev->saved_master_id = GetMaster(dev, MASTER_ATTACHED4)->id; | |||
1435 | ||||
1436 | AttachDevice(NULL((void*)0), dev, NULL((void*)0)); | |||
1437 | } | |||
1438 | ||||
1439 | static void | |||
1440 | ReattachToOldMaster(DeviceIntPtr dev) | |||
1441 | { | |||
1442 | DeviceIntPtr master = NULL((void*)0); | |||
1443 | ||||
1444 | if (IsMaster(dev)) | |||
1445 | return; | |||
1446 | ||||
1447 | dixLookupDevice(&master, dev->saved_master_id, serverClient, DixUseAccess(1<<24)); | |||
1448 | ||||
1449 | if (master) { | |||
1450 | AttachDevice(serverClient, dev, master); | |||
1451 | dev->saved_master_id = 0; | |||
1452 | } | |||
1453 | } | |||
1454 | ||||
1455 | /** | |||
1456 | * Update touch records when an explicit grab is activated. Any touches owned by | |||
1457 | * the grabbing client are updated so the listener state reflects the new grab. | |||
1458 | */ | |||
1459 | static void | |||
1460 | UpdateTouchesForGrab(DeviceIntPtr mouse) | |||
1461 | { | |||
1462 | int i; | |||
1463 | ||||
1464 | if (!mouse->touch || mouse->deviceGrab.fromPassiveGrab) | |||
1465 | return; | |||
1466 | ||||
1467 | for (i = 0; i < mouse->touch->num_touches; i++) { | |||
1468 | TouchPointInfoPtr ti = mouse->touch->touches + i; | |||
1469 | TouchListener *listener = &ti->listeners[0]; | |||
1470 | GrabPtr grab = mouse->deviceGrab.grab; | |||
1471 | ||||
1472 | if (ti->active && | |||
1473 | CLIENT_BITS(listener->listener)((listener->listener) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == grab->resource) { | |||
1474 | listener->listener = grab->resource; | |||
1475 | listener->level = grab->grabtype; | |||
1476 | listener->state = LISTENER_IS_OWNER; | |||
1477 | listener->window = grab->window; | |||
1478 | ||||
1479 | if (grab->grabtype == CORE || grab->grabtype == XI || | |||
1480 | !xi2mask_isset(grab->xi2mask, mouse, XI_TouchBegin18)) | |||
1481 | listener->type = LISTENER_POINTER_GRAB; | |||
1482 | else | |||
1483 | listener->type = LISTENER_GRAB; | |||
1484 | if (listener->grab) | |||
1485 | FreeGrab(listener->grab); | |||
1486 | listener->grab = AllocGrab(grab); | |||
1487 | } | |||
1488 | } | |||
1489 | } | |||
1490 | ||||
1491 | /** | |||
1492 | * Activate a pointer grab on the given device. A pointer grab will cause all | |||
1493 | * core pointer events of this device to be delivered to the grabbing client only. | |||
1494 | * No other device will send core events to the grab client while the grab is | |||
1495 | * on, but core events will be sent to other clients. | |||
1496 | * Can cause the cursor to change if a grab cursor is set. | |||
1497 | * | |||
1498 | * Note that parameter autoGrab may be (True & ImplicitGrabMask) if the grab | |||
1499 | * is an implicit grab caused by a ButtonPress event. | |||
1500 | * | |||
1501 | * @param mouse The device to grab. | |||
1502 | * @param grab The grab structure, needs to be setup. | |||
1503 | * @param autoGrab True if the grab was caused by a button down event and not | |||
1504 | * explicitely by a client. | |||
1505 | */ | |||
1506 | void | |||
1507 | ActivatePointerGrab(DeviceIntPtr mouse, GrabPtr grab, | |||
1508 | TimeStamp time, Bool autoGrab) | |||
1509 | { | |||
1510 | GrabInfoPtr grabinfo = &mouse->deviceGrab; | |||
1511 | GrabPtr oldgrab = grabinfo->grab; | |||
1512 | WindowPtr oldWin = (grabinfo->grab) ? | |||
1513 | grabinfo->grab->window : mouse->spriteInfo->sprite->win; | |||
1514 | Bool isPassive = autoGrab & ~ImplicitGrabMask(1 << 7); | |||
1515 | ||||
1516 | /* slave devices need to float for the duration of the grab. */ | |||
1517 | if (grab->grabtype == XI2 && | |||
1518 | !(autoGrab & ImplicitGrabMask(1 << 7)) && !IsMaster(mouse)) | |||
1519 | DetachFromMaster(mouse); | |||
1520 | ||||
1521 | if (grab->confineTo) { | |||
1522 | if (grab->confineTo->drawable.pScreen | |||
1523 | != mouse->spriteInfo->sprite->hotPhys.pScreen) | |||
1524 | mouse->spriteInfo->sprite->hotPhys.x = | |||
1525 | mouse->spriteInfo->sprite->hotPhys.y = 0; | |||
1526 | ConfineCursorToWindow(mouse, grab->confineTo, FALSE0, TRUE1); | |||
1527 | } | |||
1528 | DoEnterLeaveEvents(mouse, mouse->id, oldWin, grab->window, NotifyGrab1); | |||
1529 | mouse->valuator->motionHintWindow = NullWindow((WindowPtr) 0); | |||
1530 | if (syncEvents.playingEvents) | |||
1531 | grabinfo->grabTime = syncEvents.time; | |||
1532 | else | |||
1533 | grabinfo->grabTime = time; | |||
1534 | grabinfo->grab = AllocGrab(grab); | |||
1535 | grabinfo->fromPassiveGrab = isPassive; | |||
1536 | grabinfo->implicitGrab = autoGrab & ImplicitGrabMask(1 << 7); | |||
1537 | PostNewCursor(mouse); | |||
1538 | UpdateTouchesForGrab(mouse); | |||
1539 | CheckGrabForSyncs(mouse, (Bool) grab->pointerMode, | |||
1540 | (Bool) grab->keyboardMode); | |||
1541 | if (oldgrab) | |||
1542 | FreeGrab(oldgrab); | |||
1543 | } | |||
1544 | ||||
1545 | /** | |||
1546 | * Delete grab on given device, update the sprite. | |||
1547 | * | |||
1548 | * Extension devices are set up for ActivateKeyboardGrab(). | |||
1549 | */ | |||
1550 | void | |||
1551 | DeactivatePointerGrab(DeviceIntPtr mouse) | |||
1552 | { | |||
1553 | GrabPtr grab = mouse->deviceGrab.grab; | |||
1554 | DeviceIntPtr dev; | |||
1555 | Bool wasPassive = mouse->deviceGrab.fromPassiveGrab; | |||
1556 | Bool wasImplicit = (mouse->deviceGrab.fromPassiveGrab && | |||
1557 | mouse->deviceGrab.implicitGrab); | |||
1558 | XID grab_resource = grab->resource; | |||
1559 | int i; | |||
1560 | ||||
1561 | /* If an explicit grab was deactivated, we must remove it from the head of | |||
1562 | * all the touches' listener lists. */ | |||
1563 | for (i = 0; !wasPassive && mouse->touch && i < mouse->touch->num_touches; i++) { | |||
1564 | TouchPointInfoPtr ti = mouse->touch->touches + i; | |||
1565 | if (ti->active && TouchResourceIsOwner(ti, grab_resource)) { | |||
1566 | int mode = XIRejectTouch7; | |||
1567 | /* Rejecting will generate a TouchEnd, but we must not | |||
1568 | emulate a ButtonRelease here. So pretend the listener | |||
1569 | already has the end event */ | |||
1570 | if (grab->grabtype == CORE || grab->grabtype == XI || | |||
1571 | !xi2mask_isset(mouse->deviceGrab.grab->xi2mask, mouse, XI_TouchBegin18)) { | |||
1572 | mode = XIAcceptTouch6; | |||
1573 | /* NOTE: we set the state here, but | |||
1574 | * ProcessTouchOwnershipEvent() will still call | |||
1575 | * TouchEmitTouchEnd for this listener. The other half of | |||
1576 | * this hack is in DeliverTouchEndEvent */ | |||
1577 | ti->listeners[0].state = LISTENER_HAS_END; | |||
1578 | } | |||
1579 | TouchListenerAcceptReject(mouse, ti, 0, mode); | |||
1580 | } | |||
1581 | } | |||
1582 | ||||
1583 | TouchRemovePointerGrab(mouse); | |||
1584 | ||||
1585 | mouse->valuator->motionHintWindow = NullWindow((WindowPtr) 0); | |||
1586 | mouse->deviceGrab.grab = NullGrab((GrabPtr)((void*)0)); | |||
1587 | mouse->deviceGrab.sync.state = NOT_GRABBED0; | |||
1588 | mouse->deviceGrab.fromPassiveGrab = FALSE0; | |||
1589 | ||||
1590 | for (dev = inputInfo.devices; dev; dev = dev->next) { | |||
1591 | if (dev->deviceGrab.sync.other == grab) | |||
1592 | dev->deviceGrab.sync.other = NullGrab((GrabPtr)((void*)0)); | |||
1593 | } | |||
1594 | DoEnterLeaveEvents(mouse, mouse->id, grab->window, | |||
1595 | mouse->spriteInfo->sprite->win, NotifyUngrab2); | |||
1596 | if (grab->confineTo) | |||
1597 | ConfineCursorToWindow(mouse, GetCurrentRootWindow(mouse), FALSE0, FALSE0); | |||
1598 | PostNewCursor(mouse); | |||
1599 | ||||
1600 | if (!wasImplicit && grab->grabtype == XI2) | |||
1601 | ReattachToOldMaster(mouse); | |||
1602 | ||||
1603 | ComputeFreezes(); | |||
1604 | ||||
1605 | FreeGrab(grab); | |||
1606 | } | |||
1607 | ||||
1608 | /** | |||
1609 | * Activate a keyboard grab on the given device. | |||
1610 | * | |||
1611 | * Extension devices have ActivateKeyboardGrab() set as their grabbing proc. | |||
1612 | */ | |||
1613 | void | |||
1614 | ActivateKeyboardGrab(DeviceIntPtr keybd, GrabPtr grab, TimeStamp time, | |||
1615 | Bool passive) | |||
1616 | { | |||
1617 | GrabInfoPtr grabinfo = &keybd->deviceGrab; | |||
1618 | GrabPtr oldgrab = grabinfo->grab; | |||
1619 | WindowPtr oldWin; | |||
1620 | ||||
1621 | /* slave devices need to float for the duration of the grab. */ | |||
1622 | if (grab->grabtype == XI2 && keybd->enabled && | |||
1623 | !(passive & ImplicitGrabMask(1 << 7)) && !IsMaster(keybd)) | |||
1624 | DetachFromMaster(keybd); | |||
1625 | ||||
1626 | if (!keybd->enabled) | |||
| ||||
1627 | oldWin = NULL((void*)0); | |||
1628 | else if (grabinfo->grab) | |||
1629 | oldWin = grabinfo->grab->window; | |||
1630 | else if (keybd->focus) | |||
1631 | oldWin = keybd->focus->win; | |||
1632 | else | |||
1633 | oldWin = keybd->spriteInfo->sprite->win; | |||
1634 | if (oldWin == FollowKeyboardWin((WindowPtr) 3)) | |||
1635 | oldWin = keybd->focus->win; | |||
| ||||
1636 | if (keybd->valuator) | |||
1637 | keybd->valuator->motionHintWindow = NullWindow((WindowPtr) 0); | |||
1638 | if (oldWin) | |||
1639 | DoFocusEvents(keybd, oldWin, grab->window, NotifyGrab1); | |||
1640 | if (syncEvents.playingEvents) | |||
1641 | grabinfo->grabTime = syncEvents.time; | |||
1642 | else | |||
1643 | grabinfo->grabTime = time; | |||
1644 | grabinfo->grab = AllocGrab(grab); | |||
1645 | grabinfo->fromPassiveGrab = passive; | |||
1646 | grabinfo->implicitGrab = passive & ImplicitGrabMask(1 << 7); | |||
1647 | CheckGrabForSyncs(keybd, (Bool) grab->keyboardMode, | |||
1648 | (Bool) grab->pointerMode); | |||
1649 | if (oldgrab) | |||
1650 | FreeGrab(oldgrab); | |||
1651 | } | |||
1652 | ||||
1653 | /** | |||
1654 | * Delete keyboard grab for the given device. | |||
1655 | */ | |||
1656 | void | |||
1657 | DeactivateKeyboardGrab(DeviceIntPtr keybd) | |||
1658 | { | |||
1659 | GrabPtr grab = keybd->deviceGrab.grab; | |||
1660 | DeviceIntPtr dev; | |||
1661 | WindowPtr focusWin; | |||
1662 | Bool wasImplicit = (keybd->deviceGrab.fromPassiveGrab && | |||
1663 | keybd->deviceGrab.implicitGrab); | |||
1664 | ||||
1665 | if (keybd->valuator) | |||
1666 | keybd->valuator->motionHintWindow = NullWindow((WindowPtr) 0); | |||
1667 | keybd->deviceGrab.grab = NullGrab((GrabPtr)((void*)0)); | |||
1668 | keybd->deviceGrab.sync.state = NOT_GRABBED0; | |||
1669 | keybd->deviceGrab.fromPassiveGrab = FALSE0; | |||
1670 | ||||
1671 | for (dev = inputInfo.devices; dev; dev = dev->next) { | |||
1672 | if (dev->deviceGrab.sync.other == grab) | |||
1673 | dev->deviceGrab.sync.other = NullGrab((GrabPtr)((void*)0)); | |||
1674 | } | |||
1675 | ||||
1676 | if (keybd->focus) | |||
1677 | focusWin = keybd->focus->win; | |||
1678 | else if (keybd->spriteInfo->sprite) | |||
1679 | focusWin = keybd->spriteInfo->sprite->win; | |||
1680 | else | |||
1681 | focusWin = NullWindow((WindowPtr) 0); | |||
1682 | ||||
1683 | if (focusWin == FollowKeyboardWin((WindowPtr) 3)) | |||
1684 | focusWin = inputInfo.keyboard->focus->win; | |||
1685 | ||||
1686 | DoFocusEvents(keybd, grab->window, focusWin, NotifyUngrab2); | |||
1687 | ||||
1688 | if (!wasImplicit && grab->grabtype == XI2) | |||
1689 | ReattachToOldMaster(keybd); | |||
1690 | ||||
1691 | ComputeFreezes(); | |||
1692 | ||||
1693 | FreeGrab(grab); | |||
1694 | } | |||
1695 | ||||
1696 | void | |||
1697 | AllowSome(ClientPtr client, TimeStamp time, DeviceIntPtr thisDev, int newState) | |||
1698 | { | |||
1699 | Bool thisGrabbed, otherGrabbed, othersFrozen, thisSynced; | |||
1700 | TimeStamp grabTime; | |||
1701 | DeviceIntPtr dev; | |||
1702 | GrabInfoPtr devgrabinfo, grabinfo = &thisDev->deviceGrab; | |||
1703 | ||||
1704 | thisGrabbed = grabinfo->grab && SameClient(grabinfo->grab, client)((((grabinfo->grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask); | |||
1705 | thisSynced = FALSE0; | |||
1706 | otherGrabbed = FALSE0; | |||
1707 | othersFrozen = FALSE0; | |||
1708 | grabTime = grabinfo->grabTime; | |||
1709 | for (dev = inputInfo.devices; dev; dev = dev->next) { | |||
1710 | devgrabinfo = &dev->deviceGrab; | |||
1711 | ||||
1712 | if (dev == thisDev) | |||
1713 | continue; | |||
1714 | if (devgrabinfo->grab && SameClient(devgrabinfo->grab, client)((((devgrabinfo->grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) { | |||
1715 | if (!(thisGrabbed || otherGrabbed) || | |||
1716 | (CompareTimeStamps(devgrabinfo->grabTime, grabTime) == LATER1)) | |||
1717 | grabTime = devgrabinfo->grabTime; | |||
1718 | otherGrabbed = TRUE1; | |||
1719 | if (grabinfo->sync.other == devgrabinfo->grab) | |||
1720 | thisSynced = TRUE1; | |||
1721 | if (devgrabinfo->sync.state >= FROZEN5) | |||
1722 | othersFrozen = TRUE1; | |||
1723 | } | |||
1724 | } | |||
1725 | if (!((thisGrabbed && grabinfo->sync.state >= FROZEN5) || thisSynced)) | |||
1726 | return; | |||
1727 | if ((CompareTimeStamps(time, currentTime) == LATER1) || | |||
1728 | (CompareTimeStamps(time, grabTime) == EARLIER-1)) | |||
1729 | return; | |||
1730 | switch (newState) { | |||
1731 | case THAWED1: /* Async */ | |||
1732 | if (thisGrabbed) | |||
1733 | grabinfo->sync.state = THAWED1; | |||
1734 | if (thisSynced) | |||
1735 | grabinfo->sync.other = NullGrab((GrabPtr)((void*)0)); | |||
1736 | ComputeFreezes(); | |||
1737 | break; | |||
1738 | case FREEZE_NEXT_EVENT3: /* Sync */ | |||
1739 | if (thisGrabbed) { | |||
1740 | grabinfo->sync.state = FREEZE_NEXT_EVENT3; | |||
1741 | if (thisSynced) | |||
1742 | grabinfo->sync.other = NullGrab((GrabPtr)((void*)0)); | |||
1743 | ComputeFreezes(); | |||
1744 | } | |||
1745 | break; | |||
1746 | case THAWED_BOTH2: /* AsyncBoth */ | |||
1747 | if (othersFrozen) { | |||
1748 | for (dev = inputInfo.devices; dev; dev = dev->next) { | |||
1749 | devgrabinfo = &dev->deviceGrab; | |||
1750 | if (devgrabinfo->grab && SameClient(devgrabinfo->grab, client)((((devgrabinfo->grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) | |||
1751 | devgrabinfo->sync.state = THAWED1; | |||
1752 | if (devgrabinfo->sync.other && | |||
1753 | SameClient(devgrabinfo->sync.other, client)((((devgrabinfo->sync.other)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) == (client)->clientAsMask)) | |||
1754 | devgrabinfo->sync.other = NullGrab((GrabPtr)((void*)0)); | |||
1755 | } | |||
1756 | ComputeFreezes(); | |||
1757 | } | |||
1758 | break; | |||
1759 | case FREEZE_BOTH_NEXT_EVENT4: /* SyncBoth */ | |||
1760 | if (othersFrozen) { | |||
1761 | for (dev = inputInfo.devices; dev; dev = dev->next) { | |||
1762 | devgrabinfo = &dev->deviceGrab; | |||
1763 | if (devgrabinfo->grab && SameClient(devgrabinfo->grab, client)((((devgrabinfo->grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) | |||
1764 | devgrabinfo->sync.state = FREEZE_BOTH_NEXT_EVENT4; | |||
1765 | if (devgrabinfo->sync.other | |||
1766 | && SameClient(devgrabinfo->sync.other, client)((((devgrabinfo->sync.other)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) == (client)->clientAsMask)) | |||
1767 | devgrabinfo->sync.other = NullGrab((GrabPtr)((void*)0)); | |||
1768 | } | |||
1769 | ComputeFreezes(); | |||
1770 | } | |||
1771 | break; | |||
1772 | case NOT_GRABBED0: /* Replay */ | |||
1773 | if (thisGrabbed && grabinfo->sync.state == FROZEN_WITH_EVENT6) { | |||
1774 | if (thisSynced) | |||
1775 | grabinfo->sync.other = NullGrab((GrabPtr)((void*)0)); | |||
1776 | syncEvents.replayDev = thisDev; | |||
1777 | syncEvents.replayWin = grabinfo->grab->window; | |||
1778 | (*grabinfo->DeactivateGrab) (thisDev); | |||
1779 | syncEvents.replayDev = (DeviceIntPtr) NULL((void*)0); | |||
1780 | } | |||
1781 | break; | |||
1782 | case THAW_OTHERS7: /* AsyncOthers */ | |||
1783 | if (othersFrozen) { | |||
1784 | for (dev = inputInfo.devices; dev; dev = dev->next) { | |||
1785 | if (dev == thisDev) | |||
1786 | continue; | |||
1787 | devgrabinfo = &dev->deviceGrab; | |||
1788 | if (devgrabinfo->grab && SameClient(devgrabinfo->grab, client)((((devgrabinfo->grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) | |||
1789 | devgrabinfo->sync.state = THAWED1; | |||
1790 | if (devgrabinfo->sync.other | |||
1791 | && SameClient(devgrabinfo->sync.other, client)((((devgrabinfo->sync.other)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) == (client)->clientAsMask)) | |||
1792 | devgrabinfo->sync.other = NullGrab((GrabPtr)((void*)0)); | |||
1793 | } | |||
1794 | ComputeFreezes(); | |||
1795 | } | |||
1796 | break; | |||
1797 | } | |||
1798 | ||||
1799 | /* We've unfrozen the grab. If the grab was a touch grab, we're now the | |||
1800 | * owner and expected to accept/reject it. Reject == ReplayPointer which | |||
1801 | * we've handled in ComputeFreezes() (during DeactivateGrab) above, | |||
1802 | * anything else is accept. | |||
1803 | */ | |||
1804 | if (newState != NOT_GRABBED0 /* Replay */ && | |||
1805 | IsTouchEvent((InternalEvent*)grabinfo->sync.event)) { | |||
1806 | TouchAcceptAndEnd(thisDev, grabinfo->sync.event->touchid); | |||
1807 | } | |||
1808 | } | |||
1809 | ||||
1810 | /** | |||
1811 | * Server-side protocol handling for AllowEvents request. | |||
1812 | * | |||
1813 | * Release some events from a frozen device. | |||
1814 | */ | |||
1815 | int | |||
1816 | ProcAllowEvents(ClientPtr client) | |||
1817 | { | |||
1818 | TimeStamp time; | |||
1819 | DeviceIntPtr mouse = NULL((void*)0); | |||
1820 | DeviceIntPtr keybd = NULL((void*)0); | |||
1821 | ||||
1822 | REQUEST(xAllowEventsReq)xAllowEventsReq *stuff = (xAllowEventsReq *)client->requestBuffer; | |||
1823 | ||||
1824 | REQUEST_SIZE_MATCH(xAllowEventsReq)if ((sizeof(xAllowEventsReq) >> 2) != client->req_len ) return(16); | |||
1825 | time = ClientTimeToServerTime(stuff->time); | |||
1826 | ||||
1827 | mouse = PickPointer(client); | |||
1828 | keybd = PickKeyboard(client); | |||
1829 | ||||
1830 | switch (stuff->mode) { | |||
1831 | case ReplayPointer2: | |||
1832 | AllowSome(client, time, mouse, NOT_GRABBED0); | |||
1833 | break; | |||
1834 | case SyncPointer1: | |||
1835 | AllowSome(client, time, mouse, FREEZE_NEXT_EVENT3); | |||
1836 | break; | |||
1837 | case AsyncPointer0: | |||
1838 | AllowSome(client, time, mouse, THAWED1); | |||
1839 | break; | |||
1840 | case ReplayKeyboard5: | |||
1841 | AllowSome(client, time, keybd, NOT_GRABBED0); | |||
1842 | break; | |||
1843 | case SyncKeyboard4: | |||
1844 | AllowSome(client, time, keybd, FREEZE_NEXT_EVENT3); | |||
1845 | break; | |||
1846 | case AsyncKeyboard3: | |||
1847 | AllowSome(client, time, keybd, THAWED1); | |||
1848 | break; | |||
1849 | case SyncBoth7: | |||
1850 | AllowSome(client, time, keybd, FREEZE_BOTH_NEXT_EVENT4); | |||
1851 | break; | |||
1852 | case AsyncBoth6: | |||
1853 | AllowSome(client, time, keybd, THAWED_BOTH2); | |||
1854 | break; | |||
1855 | default: | |||
1856 | client->errorValue = stuff->mode; | |||
1857 | return BadValue2; | |||
1858 | } | |||
1859 | return Success0; | |||
1860 | } | |||
1861 | ||||
1862 | /** | |||
1863 | * Deactivate grabs from any device that has been grabbed by the client. | |||
1864 | */ | |||
1865 | void | |||
1866 | ReleaseActiveGrabs(ClientPtr client) | |||
1867 | { | |||
1868 | DeviceIntPtr dev; | |||
1869 | Bool done; | |||
1870 | ||||
1871 | /* XXX CloseDownClient should remove passive grabs before | |||
1872 | * releasing active grabs. | |||
1873 | */ | |||
1874 | do { | |||
1875 | done = TRUE1; | |||
1876 | for (dev = inputInfo.devices; dev; dev = dev->next) { | |||
1877 | if (dev->deviceGrab.grab && | |||
1878 | SameClient(dev->deviceGrab.grab, client)((((dev->deviceGrab.grab)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) == (client)->clientAsMask)) { | |||
1879 | (*dev->deviceGrab.DeactivateGrab) (dev); | |||
1880 | done = FALSE0; | |||
1881 | } | |||
1882 | } | |||
1883 | } while (!done); | |||
1884 | } | |||
1885 | ||||
1886 | /************************************************************************** | |||
1887 | * The following procedures deal with delivering events * | |||
1888 | **************************************************************************/ | |||
1889 | ||||
1890 | /** | |||
1891 | * Deliver the given events to the given client. | |||
1892 | * | |||
1893 | * More than one event may be delivered at a time. This is the case with | |||
1894 | * DeviceMotionNotifies which may be followed by DeviceValuator events. | |||
1895 | * | |||
1896 | * TryClientEvents() is the last station before actually writing the events to | |||
1897 | * the socket. Anything that is not filtered here, will get delivered to the | |||
1898 | * client. | |||
1899 | * An event is only delivered if | |||
1900 | * - mask and filter match up. | |||
1901 | * - no other client has a grab on the device that caused the event. | |||
1902 | * | |||
1903 | * | |||
1904 | * @param client The target client to deliver to. | |||
1905 | * @param dev The device the event came from. May be NULL. | |||
1906 | * @param pEvents The events to be delivered. | |||
1907 | * @param count Number of elements in pEvents. | |||
1908 | * @param mask Event mask as set by the window. | |||
1909 | * @param filter Mask based on event type. | |||
1910 | * @param grab Possible grab on the device that caused the event. | |||
1911 | * | |||
1912 | * @return 1 if event was delivered, 0 if not or -1 if grab was not set by the | |||
1913 | * client. | |||
1914 | */ | |||
1915 | int | |||
1916 | TryClientEvents(ClientPtr client, DeviceIntPtr dev, xEvent *pEvents, | |||
1917 | int count, Mask mask, Mask filter, GrabPtr grab) | |||
1918 | { | |||
1919 | int type; | |||
1920 | ||||
1921 | #ifdef DEBUG_EVENTS | |||
1922 | ErrorF("[dix] Event([%d, %d], mask=0x%lx), client=%d%s", | |||
1923 | pEvents->u.u.type, pEvents->u.u.detail, mask, | |||
1924 | client ? client->index : -1, | |||
1925 | (client && client->clientGone) ? " (gone)" : ""); | |||
1926 | #endif | |||
1927 | ||||
1928 | if (!client || client == serverClient || client->clientGone) { | |||
1929 | #ifdef DEBUG_EVENTS | |||
1930 | ErrorF(" not delivered to fake/dead client\n"); | |||
1931 | #endif | |||
1932 | return 0; | |||
1933 | } | |||
1934 | ||||
1935 | if (filter != CantBeFiltered0L && !(mask & filter)) { | |||
1936 | #ifdef DEBUG_EVENTS | |||
1937 | ErrorF(" filtered\n"); | |||
1938 | #endif | |||
1939 | return 0; | |||
1940 | } | |||
1941 | ||||
1942 | if (grab && !SameClient(grab, client)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) { | |||
1943 | #ifdef DEBUG_EVENTS | |||
1944 | ErrorF(" not delivered due to grab\n"); | |||
1945 | #endif | |||
1946 | return -1; /* don't send, but notify caller */ | |||
1947 | } | |||
1948 | ||||
1949 | type = pEvents->u.u.type; | |||
1950 | if (type == MotionNotify6) { | |||
1951 | if (mask & PointerMotionHintMask(1L<<7)) { | |||
1952 | if (WID(dev->valuator->motionHintWindow)((dev->valuator->motionHintWindow) ? ((dev->valuator ->motionHintWindow)->drawable.id) : 0) == | |||
1953 | pEvents->u.keyButtonPointer.event) { | |||
1954 | #ifdef DEBUG_EVENTS | |||
1955 | ErrorF("[dix] \n"); | |||
1956 | ErrorF("[dix] motionHintWindow == keyButtonPointer.event\n"); | |||
1957 | #endif | |||
1958 | return 1; /* don't send, but pretend we did */ | |||
1959 | } | |||
1960 | pEvents->u.u.detail = NotifyHint1; | |||
1961 | } | |||
1962 | else { | |||
1963 | pEvents->u.u.detail = NotifyNormal0; | |||
1964 | } | |||
1965 | } | |||
1966 | else if (type == DeviceMotionNotify) { | |||
1967 | if (MaybeSendDeviceMotionNotifyHint((deviceKeyButtonPointer *) pEvents, | |||
1968 | mask) != 0) | |||
1969 | return 1; | |||
1970 | } | |||
1971 | else if (type == KeyPress2) { | |||
1972 | if (EventIsKeyRepeat(pEvents)) { | |||
1973 | if (!_XkbWantsDetectableAutoRepeat(client)((client)->xkbClientFlags&(1L << 0))) { | |||
1974 | xEvent release = *pEvents; | |||
1975 | ||||
1976 | release.u.u.type = KeyRelease3; | |||
1977 | WriteEventsToClient(client, 1, &release); | |||
1978 | #ifdef DEBUG_EVENTS | |||
1979 | ErrorF(" (plus fake core release for repeat)"); | |||
1980 | #endif | |||
1981 | } | |||
1982 | else { | |||
1983 | #ifdef DEBUG_EVENTS | |||
1984 | ErrorF(" (detectable autorepeat for core)"); | |||
1985 | #endif | |||
1986 | } | |||
1987 | } | |||
1988 | ||||
1989 | } | |||
1990 | else if (type == DeviceKeyPress) { | |||
1991 | if (EventIsKeyRepeat(pEvents)) { | |||
1992 | if (!_XkbWantsDetectableAutoRepeat(client)((client)->xkbClientFlags&(1L << 0))) { | |||
1993 | deviceKeyButtonPointer release = | |||
1994 | *(deviceKeyButtonPointer *) pEvents; | |||
1995 | release.type = DeviceKeyRelease; | |||
1996 | #ifdef DEBUG_EVENTS | |||
1997 | ErrorF(" (plus fake xi1 release for repeat)"); | |||
1998 | #endif | |||
1999 | WriteEventsToClient(client, 1, (xEvent *) &release); | |||
2000 | } | |||
2001 | else { | |||
2002 | #ifdef DEBUG_EVENTS | |||
2003 | ErrorF(" (detectable autorepeat for core)"); | |||
2004 | #endif | |||
2005 | } | |||
2006 | } | |||
2007 | } | |||
2008 | ||||
2009 | if (BitIsOn(criticalEvents, type)(!!(((const BYTE *) (criticalEvents))[(type)>>3] & ( 1 << ((type) & 7))))) { | |||
2010 | if (client->smart_priority < SMART_MAX_PRIORITY(20)) | |||
2011 | client->smart_priority++; | |||
2012 | SetCriticalOutputPending(); | |||
2013 | } | |||
2014 | ||||
2015 | WriteEventsToClient(client, count, pEvents); | |||
2016 | #ifdef DEBUG_EVENTS | |||
2017 | ErrorF("[dix] delivered\n"); | |||
2018 | #endif | |||
2019 | return 1; | |||
2020 | } | |||
2021 | ||||
2022 | static BOOL | |||
2023 | ActivateImplicitGrab(DeviceIntPtr dev, ClientPtr client, WindowPtr win, | |||
2024 | xEvent *event, Mask deliveryMask) | |||
2025 | { | |||
2026 | GrabPtr tempGrab; | |||
2027 | OtherInputMasks *inputMasks; | |||
2028 | CARD8 type = event->u.u.type; | |||
2029 | enum InputLevel grabtype; | |||
2030 | ||||
2031 | if (type == ButtonPress4) | |||
2032 | grabtype = CORE; | |||
2033 | else if (type == DeviceButtonPress) | |||
2034 | grabtype = XI; | |||
2035 | else if ((type = xi2_get_type(event)) == XI_ButtonPress4) | |||
2036 | grabtype = XI2; | |||
2037 | else | |||
2038 | return FALSE0; | |||
2039 | ||||
2040 | tempGrab = AllocGrab(NULL((void*)0)); | |||
2041 | if (!tempGrab) | |||
2042 | return FALSE0; | |||
2043 | tempGrab->next = NULL((void*)0); | |||
2044 | tempGrab->device = dev; | |||
2045 | tempGrab->resource = client->clientAsMask; | |||
2046 | tempGrab->window = win; | |||
2047 | tempGrab->ownerEvents = (deliveryMask & OwnerGrabButtonMask(1L<<24)) ? TRUE1 : FALSE0; | |||
2048 | tempGrab->eventMask = deliveryMask; | |||
2049 | tempGrab->keyboardMode = GrabModeAsync1; | |||
2050 | tempGrab->pointerMode = GrabModeAsync1; | |||
2051 | tempGrab->confineTo = NullWindow((WindowPtr) 0); | |||
2052 | tempGrab->cursor = NullCursor((CursorPtr)((void*)0)); | |||
2053 | tempGrab->type = type; | |||
2054 | tempGrab->grabtype = grabtype; | |||
2055 | ||||
2056 | /* get the XI and XI2 device mask */ | |||
2057 | inputMasks = wOtherInputMasks(win)((win)->optional ? (win)->optional->inputMasks : ((void *)0)); | |||
2058 | tempGrab->deviceMask = (inputMasks) ? inputMasks->inputEvents[dev->id] : 0; | |||
2059 | ||||
2060 | if (inputMasks) | |||
2061 | xi2mask_merge(tempGrab->xi2mask, inputMasks->xi2mask); | |||
2062 | ||||
2063 | (*dev->deviceGrab.ActivateGrab) (dev, tempGrab, | |||
2064 | currentTime, TRUE1 | ImplicitGrabMask(1 << 7)); | |||
2065 | FreeGrab(tempGrab); | |||
2066 | return TRUE1; | |||
2067 | } | |||
2068 | ||||
2069 | /** | |||
2070 | * Attempt event delivery to the client owning the window. | |||
2071 | */ | |||
2072 | static enum EventDeliveryState | |||
2073 | DeliverToWindowOwner(DeviceIntPtr dev, WindowPtr win, | |||
2074 | xEvent *events, int count, Mask filter, GrabPtr grab) | |||
2075 | { | |||
2076 | /* if nobody ever wants to see this event, skip some work */ | |||
2077 | if (filter != CantBeFiltered0L && | |||
2078 | !((wOtherEventMasks(win)((win)->optional ? (win)->optional->otherEventMasks : 0) | win->eventMask) & filter)) | |||
2079 | return EVENT_SKIP; | |||
2080 | ||||
2081 | if (IsInterferingGrab(wClient(win)(clients[((int)((((win)->drawable.id) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), dev, events)) | |||
2082 | return EVENT_SKIP; | |||
2083 | ||||
2084 | if (!XaceHook(XACE_RECEIVE_ACCESS6, wClient(win)(clients[((int)((((win)->drawable.id) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), win, events, count)) { | |||
2085 | int attempt = TryClientEvents(wClient(win)(clients[((int)((((win)->drawable.id) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), dev, events, | |||
2086 | count, win->eventMask, | |||
2087 | filter, grab); | |||
2088 | ||||
2089 | if (attempt > 0) | |||
2090 | return EVENT_DELIVERED; | |||
2091 | if (attempt < 0) | |||
2092 | return EVENT_REJECTED; | |||
2093 | } | |||
2094 | ||||
2095 | return EVENT_NOT_DELIVERED; | |||
2096 | } | |||
2097 | ||||
2098 | /** | |||
2099 | * Get the list of clients that should be tried for event delivery on the | |||
2100 | * given window. | |||
2101 | * | |||
2102 | * @return 1 if the client list should be traversed, zero if the event | |||
2103 | * should be skipped. | |||
2104 | */ | |||
2105 | static Bool | |||
2106 | GetClientsForDelivery(DeviceIntPtr dev, WindowPtr win, | |||
2107 | xEvent *events, Mask filter, InputClients ** iclients) | |||
2108 | { | |||
2109 | int rc = 0; | |||
2110 | ||||
2111 | if (core_get_type(events) != 0) | |||
2112 | *iclients = (InputClients *) wOtherClients(win)((win)->optional ? (win)->optional->otherClients : ( (void*)0)); | |||
2113 | else if (xi2_get_type(events) != 0) { | |||
2114 | OtherInputMasks *inputMasks = wOtherInputMasks(win)((win)->optional ? (win)->optional->inputMasks : ((void *)0)); | |||
2115 | ||||
2116 | /* Has any client selected for the event? */ | |||
2117 | if (!WindowXI2MaskIsset(dev, win, events)) | |||
2118 | goto out; | |||
2119 | *iclients = inputMasks->inputClients; | |||
2120 | } | |||
2121 | else { | |||
2122 | OtherInputMasks *inputMasks = wOtherInputMasks(win)((win)->optional ? (win)->optional->inputMasks : ((void *)0)); | |||
2123 | ||||
2124 | /* Has any client selected for the event? */ | |||
2125 | if (!inputMasks || !(inputMasks->inputEvents[dev->id] & filter)) | |||
2126 | goto out; | |||
2127 | ||||
2128 | *iclients = inputMasks->inputClients; | |||
2129 | } | |||
2130 | ||||
2131 | rc = 1; | |||
2132 | out: | |||
2133 | return rc; | |||
2134 | } | |||
2135 | ||||
2136 | /** | |||
2137 | * Try delivery on each client in inputclients, provided the event mask | |||
2138 | * accepts it and there is no interfering core grab.. | |||
2139 | */ | |||
2140 | static enum EventDeliveryState | |||
2141 | DeliverEventToInputClients(DeviceIntPtr dev, InputClients * inputclients, | |||
2142 | WindowPtr win, xEvent *events, | |||
2143 | int count, Mask filter, GrabPtr grab, | |||
2144 | ClientPtr *client_return, Mask *mask_return) | |||
2145 | { | |||
2146 | int attempt; | |||
2147 | enum EventDeliveryState rc = EVENT_NOT_DELIVERED; | |||
2148 | Bool have_device_button_grab_class_client = FALSE0; | |||
2149 | ||||
2150 | for (; inputclients; inputclients = inputclients->next) { | |||
2151 | Mask mask; | |||
2152 | ClientPtr client = rClient(inputclients)(clients[((int)((((inputclients)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]); | |||
2153 | ||||
2154 | if (IsInterferingGrab(client, dev, events)) | |||
2155 | continue; | |||
2156 | ||||
2157 | if (IsWrongPointerBarrierClient(client, dev, events)) | |||
2158 | continue; | |||
2159 | ||||
2160 | mask = GetEventMask(dev, events, inputclients); | |||
2161 | ||||
2162 | if (XaceHook(XACE_RECEIVE_ACCESS6, client, win, events, count)) | |||
2163 | /* do nothing */ ; | |||
2164 | else if ((attempt = TryClientEvents(client, dev, | |||
2165 | events, count, | |||
2166 | mask, filter, grab))) { | |||
2167 | if (attempt > 0) { | |||
2168 | /* | |||
2169 | * The order of clients is arbitrary therefore if one | |||
2170 | * client belongs to DeviceButtonGrabClass make sure to | |||
2171 | * catch it. | |||
2172 | */ | |||
2173 | if (!have_device_button_grab_class_client) { | |||
2174 | rc = EVENT_DELIVERED; | |||
2175 | *client_return = client; | |||
2176 | *mask_return = mask; | |||
2177 | /* Success overrides non-success, so if we've been | |||
2178 | * successful on one client, return that */ | |||
2179 | if (mask & DeviceButtonGrabMask) | |||
2180 | have_device_button_grab_class_client = TRUE1; | |||
2181 | } | |||
2182 | } else if (rc == EVENT_NOT_DELIVERED) | |||
2183 | rc = EVENT_REJECTED; | |||
2184 | } | |||
2185 | } | |||
2186 | ||||
2187 | return rc; | |||
2188 | } | |||
2189 | ||||
2190 | /** | |||
2191 | * Deliver events to clients registered on the window. | |||
2192 | * | |||
2193 | * @param client_return On successful delivery, set to the recipient. | |||
2194 | * @param mask_return On successful delivery, set to the recipient's event | |||
2195 | * mask for this event. | |||
2196 | */ | |||
2197 | static enum EventDeliveryState | |||
2198 | DeliverEventToWindowMask(DeviceIntPtr dev, WindowPtr win, xEvent *events, | |||
2199 | int count, Mask filter, GrabPtr grab, | |||
2200 | ClientPtr *client_return, Mask *mask_return) | |||
2201 | { | |||
2202 | InputClients *iclients; | |||
2203 | ||||
2204 | if (!GetClientsForDelivery(dev, win, events, filter, &iclients)) | |||
2205 | return EVENT_SKIP; | |||
2206 | ||||
2207 | return DeliverEventToInputClients(dev, iclients, win, events, count, filter, | |||
2208 | grab, client_return, mask_return); | |||
2209 | ||||
2210 | } | |||
2211 | ||||
2212 | /** | |||
2213 | * Deliver events to a window. At this point, we do not yet know if the event | |||
2214 | * actually needs to be delivered. May activate a grab if the event is a | |||
2215 | * button press. | |||
2216 | * | |||
2217 | * Core events are always delivered to the window owner. If the filter is | |||
2218 | * something other than CantBeFiltered, the event is also delivered to other | |||
2219 | * clients with the matching mask on the window. | |||
2220 | * | |||
2221 | * More than one event may be delivered at a time. This is the case with | |||
2222 | * DeviceMotionNotifies which may be followed by DeviceValuator events. | |||
2223 | * | |||
2224 | * @param pWin The window that would get the event. | |||
2225 | * @param pEvents The events to be delivered. | |||
2226 | * @param count Number of elements in pEvents. | |||
2227 | * @param filter Mask based on event type. | |||
2228 | * @param grab Possible grab on the device that caused the event. | |||
2229 | * | |||
2230 | * @return a positive number if at least one successful delivery has been | |||
2231 | * made, 0 if no events were delivered, or a negative number if the event | |||
2232 | * has not been delivered _and_ rejected by at least one client. | |||
2233 | */ | |||
2234 | int | |||
2235 | DeliverEventsToWindow(DeviceIntPtr pDev, WindowPtr pWin, xEvent | |||
2236 | *pEvents, int count, Mask filter, GrabPtr grab) | |||
2237 | { | |||
2238 | int deliveries = 0, nondeliveries = 0; | |||
2239 | ClientPtr client = NullClient((ClientPtr) 0); | |||
2240 | Mask deliveryMask = 0; /* If a grab occurs due to a button press, then | |||
2241 | this mask is the mask of the grab. */ | |||
2242 | int type = pEvents->u.u.type; | |||
2243 | ||||
2244 | /* Deliver to window owner */ | |||
2245 | if ((filter == CantBeFiltered0L) || core_get_type(pEvents) != 0) { | |||
2246 | enum EventDeliveryState rc; | |||
2247 | ||||
2248 | rc = DeliverToWindowOwner(pDev, pWin, pEvents, count, filter, grab); | |||
2249 | ||||
2250 | switch (rc) { | |||
2251 | case EVENT_SKIP: | |||
2252 | return 0; | |||
2253 | case EVENT_REJECTED: | |||
2254 | nondeliveries--; | |||
2255 | break; | |||
2256 | case EVENT_DELIVERED: | |||
2257 | /* We delivered to the owner, with our event mask */ | |||
2258 | deliveries++; | |||
2259 | client = wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]); | |||
2260 | deliveryMask = pWin->eventMask; | |||
2261 | break; | |||
2262 | case EVENT_NOT_DELIVERED: | |||
2263 | break; | |||
2264 | } | |||
2265 | } | |||
2266 | ||||
2267 | /* CantBeFiltered means only window owner gets the event */ | |||
2268 | if (filter != CantBeFiltered0L) { | |||
2269 | enum EventDeliveryState rc; | |||
2270 | ||||
2271 | rc = DeliverEventToWindowMask(pDev, pWin, pEvents, count, filter, | |||
2272 | grab, &client, &deliveryMask); | |||
2273 | ||||
2274 | switch (rc) { | |||
2275 | case EVENT_SKIP: | |||
2276 | return 0; | |||
2277 | case EVENT_REJECTED: | |||
2278 | nondeliveries--; | |||
2279 | break; | |||
2280 | case EVENT_DELIVERED: | |||
2281 | deliveries++; | |||
2282 | break; | |||
2283 | case EVENT_NOT_DELIVERED: | |||
2284 | break; | |||
2285 | } | |||
2286 | } | |||
2287 | ||||
2288 | if (deliveries) { | |||
2289 | /* | |||
2290 | * Note that since core events are delivered first, an implicit grab may | |||
2291 | * be activated on a core grab, stopping the XI events. | |||
2292 | */ | |||
2293 | if (!grab && | |||
2294 | ActivateImplicitGrab(pDev, client, pWin, pEvents, deliveryMask)) | |||
2295 | /* grab activated */ ; | |||
2296 | else if (type == MotionNotify6) | |||
2297 | pDev->valuator->motionHintWindow = pWin; | |||
2298 | else if (type == DeviceMotionNotify || type == DeviceButtonPress) | |||
2299 | CheckDeviceGrabAndHintWindow(pWin, type, | |||
2300 | (deviceKeyButtonPointer *) pEvents, | |||
2301 | grab, client, deliveryMask); | |||
2302 | return deliveries; | |||
2303 | } | |||
2304 | return nondeliveries; | |||
2305 | } | |||
2306 | ||||
2307 | /** | |||
2308 | * Filter out raw events for XI 2.0 and XI 2.1 clients. | |||
2309 | * | |||
2310 | * If there is a grab on the device, 2.0 clients only get raw events if they | |||
2311 | * have the grab. 2.1+ clients get raw events in all cases. | |||
2312 | * | |||
2313 | * @return TRUE if the event should be discarded, FALSE otherwise. | |||
2314 | */ | |||
2315 | static BOOL | |||
2316 | FilterRawEvents(const ClientPtr client, const GrabPtr grab, WindowPtr root) | |||
2317 | { | |||
2318 | XIClientPtr client_xi_version; | |||
2319 | int cmp; | |||
2320 | ||||
2321 | /* device not grabbed -> don't filter */ | |||
2322 | if (!grab) | |||
2323 | return FALSE0; | |||
2324 | ||||
2325 | client_xi_version = | |||
2326 | dixLookupPrivate(&client->devPrivates, XIClientPrivateKey(&XIClientPrivateKeyRec)); | |||
2327 | ||||
2328 | cmp = version_compare(client_xi_version->major_version, | |||
2329 | client_xi_version->minor_version, 2, 0); | |||
2330 | /* XI 2.0: if device is grabbed, skip | |||
2331 | XI 2.1: if device is grabbed by us, skip, we've already delivered */ | |||
2332 | if (cmp == 0) | |||
2333 | return TRUE1; | |||
2334 | ||||
2335 | return (grab->window != root) ? FALSE0 : SameClient(grab, client)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask); | |||
2336 | } | |||
2337 | ||||
2338 | /** | |||
2339 | * Deliver a raw event to the grab owner (if any) and to all root windows. | |||
2340 | * | |||
2341 | * Raw event delivery differs between XI 2.0 and XI 2.1. | |||
2342 | * XI 2.0: events delivered to the grabbing client (if any) OR to all root | |||
2343 | * windows | |||
2344 | * XI 2.1: events delivered to all root windows, regardless of grabbing | |||
2345 | * state. | |||
2346 | */ | |||
2347 | void | |||
2348 | DeliverRawEvent(RawDeviceEvent *ev, DeviceIntPtr device) | |||
2349 | { | |||
2350 | GrabPtr grab = device->deviceGrab.grab; | |||
2351 | xEvent *xi; | |||
2352 | int i, rc; | |||
2353 | int filter; | |||
2354 | ||||
2355 | rc = EventToXI2((InternalEvent *) ev, (xEvent **) &xi); | |||
2356 | if (rc != Success0) { | |||
2357 | ErrorF("[Xi] %s: XI2 conversion failed in %s (%d)\n", | |||
2358 | __func__, device->name, rc); | |||
2359 | return; | |||
2360 | } | |||
2361 | ||||
2362 | if (grab) | |||
2363 | DeliverGrabbedEvent((InternalEvent *) ev, device, FALSE0); | |||
2364 | ||||
2365 | filter = GetEventFilter(device, xi); | |||
2366 | ||||
2367 | for (i = 0; i < screenInfo.numScreens; i++) { | |||
2368 | WindowPtr root; | |||
2369 | InputClients *inputclients; | |||
2370 | ||||
2371 | root = screenInfo.screens[i]->root; | |||
2372 | if (!GetClientsForDelivery(device, root, xi, filter, &inputclients)) | |||
2373 | continue; | |||
2374 | ||||
2375 | for (; inputclients; inputclients = inputclients->next) { | |||
2376 | ClientPtr c; /* unused */ | |||
2377 | Mask m; /* unused */ | |||
2378 | InputClients ic = *inputclients; | |||
2379 | ||||
2380 | /* Because we run through the list manually, copy the actual | |||
2381 | * list, shorten the copy to only have one client and then pass | |||
2382 | * that down to DeliverEventToInputClients. This way we avoid | |||
2383 | * double events on XI 2.1 clients that have a grab on the | |||
2384 | * device. | |||
2385 | */ | |||
2386 | ic.next = NULL((void*)0); | |||
2387 | ||||
2388 | if (!FilterRawEvents(rClient(&ic)(clients[((int)((((&ic)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]), grab, root)) | |||
2389 | DeliverEventToInputClients(device, &ic, root, xi, 1, | |||
2390 | filter, NULL((void*)0), &c, &m); | |||
2391 | } | |||
2392 | } | |||
2393 | ||||
2394 | free(xi); | |||
2395 | } | |||
2396 | ||||
2397 | /* If the event goes to dontClient, don't send it and return 0. if | |||
2398 | send works, return 1 or if send didn't work, return 2. | |||
2399 | Only works for core events. | |||
2400 | */ | |||
2401 | ||||
2402 | #ifdef PANORAMIX1 | |||
2403 | static int | |||
2404 | XineramaTryClientEventsResult(ClientPtr client, | |||
2405 | GrabPtr grab, Mask mask, Mask filter) | |||
2406 | { | |||
2407 | if ((client) && (client != serverClient) && (!client->clientGone) && | |||
2408 | ((filter == CantBeFiltered0L) || (mask & filter))) { | |||
2409 | if (grab && !SameClient(grab, client)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) | |||
2410 | return -1; | |||
2411 | else | |||
2412 | return 1; | |||
2413 | } | |||
2414 | return 0; | |||
2415 | } | |||
2416 | #endif | |||
2417 | ||||
2418 | /** | |||
2419 | * Try to deliver events to the interested parties. | |||
2420 | * | |||
2421 | * @param pWin The window that would get the event. | |||
2422 | * @param pEvents The events to be delivered. | |||
2423 | * @param count Number of elements in pEvents. | |||
2424 | * @param filter Mask based on event type. | |||
2425 | * @param dontClient Don't deliver to the dontClient. | |||
2426 | */ | |||
2427 | int | |||
2428 | MaybeDeliverEventsToClient(WindowPtr pWin, xEvent *pEvents, | |||
2429 | int count, Mask filter, ClientPtr dontClient) | |||
2430 | { | |||
2431 | OtherClients *other; | |||
2432 | ||||
2433 | if (pWin->eventMask & filter) { | |||
2434 | if (wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]) == dontClient) | |||
2435 | return 0; | |||
2436 | #ifdef PANORAMIX1 | |||
2437 | if (!noPanoramiXExtension && pWin->drawable.pScreen->myNum) | |||
2438 | return XineramaTryClientEventsResult(wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]), NullGrab((GrabPtr)((void*)0)), | |||
2439 | pWin->eventMask, filter); | |||
2440 | #endif | |||
2441 | if (XaceHook(XACE_RECEIVE_ACCESS6, wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]), pWin, pEvents, count)) | |||
2442 | return 1; /* don't send, but pretend we did */ | |||
2443 | return TryClientEvents(wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]), NULL((void*)0), pEvents, count, | |||
2444 | pWin->eventMask, filter, NullGrab((GrabPtr)((void*)0))); | |||
2445 | } | |||
2446 | for (other = wOtherClients(pWin)((pWin)->optional ? (pWin)->optional->otherClients : ((void*)0)); other; other = other->next) { | |||
2447 | if (other->mask & filter) { | |||
2448 | if (SameClient(other, dontClient)((((other)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (dontClient )->clientAsMask)) | |||
2449 | return 0; | |||
2450 | #ifdef PANORAMIX1 | |||
2451 | if (!noPanoramiXExtension && pWin->drawable.pScreen->myNum) | |||
2452 | return XineramaTryClientEventsResult(rClient(other)(clients[((int)((((other)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), NullGrab((GrabPtr)((void*)0)), | |||
2453 | other->mask, filter); | |||
2454 | #endif | |||
2455 | if (XaceHook(XACE_RECEIVE_ACCESS6, rClient(other)(clients[((int)((((other)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), pWin, pEvents, | |||
2456 | count)) | |||
2457 | return 1; /* don't send, but pretend we did */ | |||
2458 | return TryClientEvents(rClient(other)(clients[((int)((((other)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), NULL((void*)0), pEvents, count, | |||
2459 | other->mask, filter, NullGrab((GrabPtr)((void*)0))); | |||
2460 | } | |||
2461 | } | |||
2462 | return 2; | |||
2463 | } | |||
2464 | ||||
2465 | static Window | |||
2466 | FindChildForEvent(SpritePtr pSprite, WindowPtr event) | |||
2467 | { | |||
2468 | WindowPtr w = DeepestSpriteWin(pSprite); | |||
2469 | Window child = None0L; | |||
2470 | ||||
2471 | /* If the search ends up past the root should the child field be | |||
2472 | set to none or should the value in the argument be passed | |||
2473 | through. It probably doesn't matter since everyone calls | |||
2474 | this function with child == None anyway. */ | |||
2475 | while (w) { | |||
2476 | /* If the source window is same as event window, child should be | |||
2477 | none. Don't bother going all all the way back to the root. */ | |||
2478 | ||||
2479 | if (w == event) { | |||
2480 | child = None0L; | |||
2481 | break; | |||
2482 | } | |||
2483 | ||||
2484 | if (w->parent == event) { | |||
2485 | child = w->drawable.id; | |||
2486 | break; | |||
2487 | } | |||
2488 | w = w->parent; | |||
2489 | } | |||
2490 | return child; | |||
2491 | } | |||
2492 | ||||
2493 | /** | |||
2494 | * Adjust event fields to comply with the window properties. | |||
2495 | * | |||
2496 | * @param xE Event to be modified in place | |||
2497 | * @param pWin The window to get the information from. | |||
2498 | * @param child Child window setting for event (if applicable) | |||
2499 | * @param calcChild If True, calculate the child window. | |||
2500 | */ | |||
2501 | void | |||
2502 | FixUpEventFromWindow(SpritePtr pSprite, | |||
2503 | xEvent *xE, WindowPtr pWin, Window child, Bool calcChild) | |||
2504 | { | |||
2505 | int evtype; | |||
2506 | ||||
2507 | if (calcChild) | |||
2508 | child = FindChildForEvent(pSprite, pWin); | |||
2509 | ||||
2510 | if ((evtype = xi2_get_type(xE))) { | |||
2511 | xXIDeviceEvent *event = (xXIDeviceEvent *) xE; | |||
2512 | ||||
2513 | switch (evtype) { | |||
2514 | case XI_RawKeyPress13: | |||
2515 | case XI_RawKeyRelease14: | |||
2516 | case XI_RawButtonPress15: | |||
2517 | case XI_RawButtonRelease16: | |||
2518 | case XI_RawMotion17: | |||
2519 | case XI_RawTouchBegin22: | |||
2520 | case XI_RawTouchUpdate23: | |||
2521 | case XI_RawTouchEnd24: | |||
2522 | case XI_DeviceChanged1: | |||
2523 | case XI_HierarchyChanged11: | |||
2524 | case XI_PropertyEvent12: | |||
2525 | case XI_BarrierHit25: | |||
2526 | case XI_BarrierLeave26: | |||
2527 | return; | |||
2528 | default: | |||
2529 | break; | |||
2530 | } | |||
2531 | ||||
2532 | event->root = RootWindow(pSprite)pSprite->spriteTrace[0]->drawable.id; | |||
2533 | event->event = pWin->drawable.id; | |||
2534 | ||||
2535 | if (evtype == XI_TouchOwnership21) { | |||
2536 | event->child = child; | |||
2537 | return; | |||
2538 | } | |||
2539 | ||||
2540 | if (pSprite->hot.pScreen == pWin->drawable.pScreen) { | |||
2541 | event->event_x = event->root_x - double_to_fp1616(pWin->drawable.x); | |||
2542 | event->event_y = event->root_y - double_to_fp1616(pWin->drawable.y); | |||
2543 | event->child = child; | |||
2544 | } | |||
2545 | else { | |||
2546 | event->event_x = 0; | |||
2547 | event->event_y = 0; | |||
2548 | event->child = None0L; | |||
2549 | } | |||
2550 | ||||
2551 | if (event->evtype == XI_Enter7 || event->evtype == XI_Leave8 || | |||
2552 | event->evtype == XI_FocusIn9 || event->evtype == XI_FocusOut10) | |||
2553 | ((xXIEnterEvent *) event)->same_screen = | |||
2554 | (pSprite->hot.pScreen == pWin->drawable.pScreen); | |||
2555 | ||||
2556 | } | |||
2557 | else { | |||
2558 | XE_KBPTR(xE->u.keyButtonPointer).root = RootWindow(pSprite)pSprite->spriteTrace[0]->drawable.id; | |||
2559 | XE_KBPTR(xE->u.keyButtonPointer).event = pWin->drawable.id; | |||
2560 | if (pSprite->hot.pScreen == pWin->drawable.pScreen) { | |||
2561 | XE_KBPTR(xE->u.keyButtonPointer).sameScreen = xTrue1; | |||
2562 | XE_KBPTR(xE->u.keyButtonPointer).child = child; | |||
2563 | XE_KBPTR(xE->u.keyButtonPointer).eventX = XE_KBPTR(xE->u.keyButtonPointer).rootX - pWin->drawable.x; | |||
2564 | XE_KBPTR(xE->u.keyButtonPointer).eventY = XE_KBPTR(xE->u.keyButtonPointer).rootY - pWin->drawable.y; | |||
2565 | } | |||
2566 | else { | |||
2567 | XE_KBPTR(xE->u.keyButtonPointer).sameScreen = xFalse0; | |||
2568 | XE_KBPTR(xE->u.keyButtonPointer).child = None0L; | |||
2569 | XE_KBPTR(xE->u.keyButtonPointer).eventX = 0; | |||
2570 | XE_KBPTR(xE->u.keyButtonPointer).eventY = 0; | |||
2571 | } | |||
2572 | } | |||
2573 | } | |||
2574 | ||||
2575 | /** | |||
2576 | * Check if a given event is deliverable at all on a given window. | |||
2577 | * | |||
2578 | * This function only checks if any client wants it, not for a specific | |||
2579 | * client. | |||
2580 | * | |||
2581 | * @param[in] dev The device this event is being sent for. | |||
2582 | * @param[in] evtype The event type of the event that is to be sent. | |||
2583 | * @param[in] win The current event window. | |||
2584 | * | |||
2585 | * @return Bitmask of ::EVENT_XI2_MASK, ::EVENT_XI1_MASK, ::EVENT_CORE_MASK, and | |||
2586 | * ::EVENT_DONT_PROPAGATE_MASK. | |||
2587 | */ | |||
2588 | int | |||
2589 | EventIsDeliverable(DeviceIntPtr dev, int evtype, WindowPtr win) | |||
2590 | { | |||
2591 | int rc = 0; | |||
2592 | int filter = 0; | |||
2593 | int type; | |||
2594 | OtherInputMasks *inputMasks = wOtherInputMasks(win)((win)->optional ? (win)->optional->inputMasks : ((void *)0)); | |||
2595 | ||||
2596 | if ((type = GetXI2Type(evtype)) != 0) { | |||
2597 | if (inputMasks && xi2mask_isset(inputMasks->xi2mask, dev, type)) | |||
2598 | rc |= EVENT_XI2_MASK(1 << 3); | |||
2599 | } | |||
2600 | ||||
2601 | if ((type = GetXIType(evtype)) != 0) { | |||
2602 | filter = event_get_filter_from_type(dev, type); | |||
2603 | ||||
2604 | /* Check for XI mask */ | |||
2605 | if (inputMasks && | |||
2606 | (inputMasks->deliverableEvents[dev->id] & filter) && | |||
2607 | (inputMasks->inputEvents[dev->id] & filter)) | |||
2608 | rc |= EVENT_XI1_MASK(1 << 0); | |||
2609 | ||||
2610 | /* Check for XI DontPropagate mask */ | |||
2611 | if (inputMasks && (inputMasks->dontPropagateMask[dev->id] & filter)) | |||
2612 | rc |= EVENT_DONT_PROPAGATE_MASK(1 << 2); | |||
2613 | ||||
2614 | } | |||
2615 | ||||
2616 | if ((type = GetCoreType(evtype)) != 0) { | |||
2617 | filter = event_get_filter_from_type(dev, type); | |||
2618 | ||||
2619 | /* Check for core mask */ | |||
2620 | if ((win->deliverableEvents & filter) && | |||
2621 | ((wOtherEventMasks(win)((win)->optional ? (win)->optional->otherEventMasks : 0) | win->eventMask) & filter)) | |||
2622 | rc |= EVENT_CORE_MASK(1 << 1); | |||
2623 | ||||
2624 | /* Check for core DontPropagate mask */ | |||
2625 | if (filter & wDontPropagateMask(win)((win)->optional ? (win)->optional->dontPropagateMask : DontPropagateMasks[(win)->dontPropagate])) | |||
2626 | rc |= EVENT_DONT_PROPAGATE_MASK(1 << 2); | |||
2627 | } | |||
2628 | ||||
2629 | return rc; | |||
2630 | } | |||
2631 | ||||
2632 | static int | |||
2633 | DeliverEvent(DeviceIntPtr dev, xEvent *xE, int count, | |||
2634 | WindowPtr win, Window child, GrabPtr grab) | |||
2635 | { | |||
2636 | SpritePtr pSprite = dev->spriteInfo->sprite; | |||
2637 | Mask filter; | |||
2638 | int deliveries = 0; | |||
2639 | ||||
2640 | if (XaceHook(XACE_SEND_ACCESS5, NULL((void*)0), dev, win, xE, count) == Success0) { | |||
2641 | filter = GetEventFilter(dev, xE); | |||
2642 | FixUpEventFromWindow(pSprite, xE, win, child, FALSE0); | |||
2643 | deliveries = DeliverEventsToWindow(dev, win, xE, count, filter, grab); | |||
2644 | } | |||
2645 | ||||
2646 | return deliveries; | |||
2647 | } | |||
2648 | ||||
2649 | static int | |||
2650 | DeliverOneEvent(InternalEvent *event, DeviceIntPtr dev, enum InputLevel level, | |||
2651 | WindowPtr win, Window child, GrabPtr grab) | |||
2652 | { | |||
2653 | xEvent *xE = NULL((void*)0); | |||
2654 | int count = 0; | |||
2655 | int deliveries = 0; | |||
2656 | int rc; | |||
2657 | ||||
2658 | switch (level) { | |||
2659 | case XI2: | |||
2660 | rc = EventToXI2(event, &xE); | |||
2661 | count = 1; | |||
2662 | break; | |||
2663 | case XI: | |||
2664 | rc = EventToXI(event, &xE, &count); | |||
2665 | break; | |||
2666 | case CORE: | |||
2667 | rc = EventToCore(event, &xE, &count); | |||
2668 | break; | |||
2669 | default: | |||
2670 | rc = BadImplementation17; | |||
2671 | break; | |||
2672 | } | |||
2673 | ||||
2674 | if (rc == Success0) { | |||
2675 | deliveries = DeliverEvent(dev, xE, count, win, child, grab); | |||
2676 | free(xE); | |||
2677 | } | |||
2678 | else | |||
2679 | BUG_WARN_MSG(rc != BadMatch,do { if (rc != 8) { ErrorFSigSafe("BUG: triggered 'if (" "rc != 8" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "events.c", 2681 , __func__); if (1) ErrorFSigSafe("%s: conversion to level %d failed with rc %d\n" , dev->name, level, rc); xorg_backtrace(); } } while(0) | |||
2680 | "%s: conversion to level %d failed with rc %d\n",do { if (rc != 8) { ErrorFSigSafe("BUG: triggered 'if (" "rc != 8" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "events.c", 2681 , __func__); if (1) ErrorFSigSafe("%s: conversion to level %d failed with rc %d\n" , dev->name, level, rc); xorg_backtrace(); } } while(0) | |||
2681 | dev->name, level, rc)do { if (rc != 8) { ErrorFSigSafe("BUG: triggered 'if (" "rc != 8" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "events.c", 2681 , __func__); if (1) ErrorFSigSafe("%s: conversion to level %d failed with rc %d\n" , dev->name, level, rc); xorg_backtrace(); } } while(0); | |||
2682 | return deliveries; | |||
2683 | } | |||
2684 | ||||
2685 | /** | |||
2686 | * Deliver events caused by input devices. | |||
2687 | * | |||
2688 | * For events from a non-grabbed, non-focus device, DeliverDeviceEvents is | |||
2689 | * called directly from the processInputProc. | |||
2690 | * For grabbed devices, DeliverGrabbedEvent is called first, and _may_ call | |||
2691 | * DeliverDeviceEvents. | |||
2692 | * For focused events, DeliverFocusedEvent is called first, and _may_ call | |||
2693 | * DeliverDeviceEvents. | |||
2694 | * | |||
2695 | * @param pWin Window to deliver event to. | |||
2696 | * @param event The events to deliver, not yet in wire format. | |||
2697 | * @param grab Possible grab on a device. | |||
2698 | * @param stopAt Don't recurse up to the root window. | |||
2699 | * @param dev The device that is responsible for the event. | |||
2700 | * | |||
2701 | * @see DeliverGrabbedEvent | |||
2702 | * @see DeliverFocusedEvent | |||
2703 | */ | |||
2704 | int | |||
2705 | DeliverDeviceEvents(WindowPtr pWin, InternalEvent *event, GrabPtr grab, | |||
2706 | WindowPtr stopAt, DeviceIntPtr dev) | |||
2707 | { | |||
2708 | Window child = None0L; | |||
2709 | int deliveries = 0; | |||
2710 | int mask; | |||
2711 | ||||
2712 | verify_internal_event(event); | |||
2713 | ||||
2714 | while (pWin) { | |||
2715 | if ((mask = EventIsDeliverable(dev, event->any.type, pWin))) { | |||
2716 | /* XI2 events first */ | |||
2717 | if (mask & EVENT_XI2_MASK(1 << 3)) { | |||
2718 | deliveries = | |||
2719 | DeliverOneEvent(event, dev, XI2, pWin, child, grab); | |||
2720 | if (deliveries > 0) | |||
2721 | break; | |||
2722 | } | |||
2723 | ||||
2724 | /* XI events */ | |||
2725 | if (mask & EVENT_XI1_MASK(1 << 0)) { | |||
2726 | deliveries = DeliverOneEvent(event, dev, XI, pWin, child, grab); | |||
2727 | if (deliveries > 0) | |||
2728 | break; | |||
2729 | } | |||
2730 | ||||
2731 | /* Core event */ | |||
2732 | if ((mask & EVENT_CORE_MASK(1 << 1)) && IsMaster(dev) && dev->coreEvents) { | |||
2733 | deliveries = | |||
2734 | DeliverOneEvent(event, dev, CORE, pWin, child, grab); | |||
2735 | if (deliveries > 0) | |||
2736 | break; | |||
2737 | } | |||
2738 | ||||
2739 | } | |||
2740 | ||||
2741 | if ((deliveries < 0) || (pWin == stopAt) || | |||
2742 | (mask & EVENT_DONT_PROPAGATE_MASK(1 << 2))) { | |||
2743 | deliveries = 0; | |||
2744 | break; | |||
2745 | } | |||
2746 | ||||
2747 | child = pWin->drawable.id; | |||
2748 | pWin = pWin->parent; | |||
2749 | } | |||
2750 | ||||
2751 | return deliveries; | |||
2752 | } | |||
2753 | ||||
2754 | /** | |||
2755 | * Deliver event to a window and it's immediate parent. Used for most window | |||
2756 | * events (CreateNotify, ConfigureNotify, etc.). Not useful for events that | |||
2757 | * propagate up the tree or extension events | |||
2758 | * | |||
2759 | * In case of a ReparentNotify event, the event will be delivered to the | |||
2760 | * otherParent as well. | |||
2761 | * | |||
2762 | * @param pWin Window to deliver events to. | |||
2763 | * @param xE Events to deliver. | |||
2764 | * @param count number of events in xE. | |||
2765 | * @param otherParent Used for ReparentNotify events. | |||
2766 | */ | |||
2767 | int | |||
2768 | DeliverEvents(WindowPtr pWin, xEvent *xE, int count, WindowPtr otherParent) | |||
2769 | { | |||
2770 | DeviceIntRec dummy; | |||
2771 | int deliveries; | |||
2772 | ||||
2773 | #ifdef PANORAMIX1 | |||
2774 | if (!noPanoramiXExtension && pWin->drawable.pScreen->myNum) | |||
2775 | return count; | |||
2776 | #endif | |||
2777 | ||||
2778 | if (!count) | |||
2779 | return 0; | |||
2780 | ||||
2781 | dummy.id = XIAllDevices0; | |||
2782 | ||||
2783 | switch (xE->u.u.type) { | |||
2784 | case DestroyNotify17: | |||
2785 | case UnmapNotify18: | |||
2786 | case MapNotify19: | |||
2787 | case MapRequest20: | |||
2788 | case ReparentNotify21: | |||
2789 | case ConfigureNotify22: | |||
2790 | case ConfigureRequest23: | |||
2791 | case GravityNotify24: | |||
2792 | case CirculateNotify26: | |||
2793 | case CirculateRequest27: | |||
2794 | xE->u.destroyNotify.event = pWin->drawable.id; | |||
2795 | break; | |||
2796 | } | |||
2797 | ||||
2798 | switch (xE->u.u.type) { | |||
2799 | case DestroyNotify17: | |||
2800 | case UnmapNotify18: | |||
2801 | case MapNotify19: | |||
2802 | case ReparentNotify21: | |||
2803 | case ConfigureNotify22: | |||
2804 | case GravityNotify24: | |||
2805 | case CirculateNotify26: | |||
2806 | break; | |||
2807 | default: | |||
2808 | { | |||
2809 | Mask filter; | |||
2810 | ||||
2811 | filter = GetEventFilter(&dummy, xE); | |||
2812 | return DeliverEventsToWindow(&dummy, pWin, xE, count, filter, NullGrab((GrabPtr)((void*)0))); | |||
2813 | } | |||
2814 | } | |||
2815 | ||||
2816 | deliveries = DeliverEventsToWindow(&dummy, pWin, xE, count, | |||
2817 | StructureNotifyMask(1L<<17), NullGrab((GrabPtr)((void*)0))); | |||
2818 | if (pWin->parent) { | |||
2819 | xE->u.destroyNotify.event = pWin->parent->drawable.id; | |||
2820 | deliveries += DeliverEventsToWindow(&dummy, pWin->parent, xE, count, | |||
2821 | SubstructureNotifyMask(1L<<19), NullGrab((GrabPtr)((void*)0))); | |||
2822 | if (xE->u.u.type == ReparentNotify21) { | |||
2823 | xE->u.destroyNotify.event = otherParent->drawable.id; | |||
2824 | deliveries += DeliverEventsToWindow(&dummy, | |||
2825 | otherParent, xE, count, | |||
2826 | SubstructureNotifyMask(1L<<19), | |||
2827 | NullGrab((GrabPtr)((void*)0))); | |||
2828 | } | |||
2829 | } | |||
2830 | return deliveries; | |||
2831 | } | |||
2832 | ||||
2833 | Bool | |||
2834 | PointInBorderSize(WindowPtr pWin, int x, int y) | |||
2835 | { | |||
2836 | BoxRec box; | |||
2837 | ||||
2838 | if (RegionContainsPoint(&pWin->borderSize, x, y, &box)) | |||
2839 | return TRUE1; | |||
2840 | ||||
2841 | #ifdef PANORAMIX1 | |||
2842 | if (!noPanoramiXExtension && | |||
2843 | XineramaSetWindowPntrs(inputInfo.pointer, pWin)) { | |||
2844 | SpritePtr pSprite = inputInfo.pointer->spriteInfo->sprite; | |||
2845 | int i; | |||
2846 | ||||
2847 | FOR_NSCREENS_FORWARD_SKIP(i)for(i = 1; i < PanoramiXNumScreens; i++) { | |||
2848 | if (RegionContainsPoint(&pSprite->windows[i]->borderSize, | |||
2849 | x + screenInfo.screens[0]->x - | |||
2850 | screenInfo.screens[i]->x, | |||
2851 | y + screenInfo.screens[0]->y - | |||
2852 | screenInfo.screens[i]->y, &box)) | |||
2853 | return TRUE1; | |||
2854 | } | |||
2855 | } | |||
2856 | #endif | |||
2857 | return FALSE0; | |||
2858 | } | |||
2859 | ||||
2860 | /** | |||
2861 | * Traversed from the root window to the window at the position x/y. While | |||
2862 | * traversing, it sets up the traversal history in the spriteTrace array. | |||
2863 | * After completing, the spriteTrace history is set in the following way: | |||
2864 | * spriteTrace[0] ... root window | |||
2865 | * spriteTrace[1] ... top level window that encloses x/y | |||
2866 | * ... | |||
2867 | * spriteTrace[spriteTraceGood - 1] ... window at x/y | |||
2868 | * | |||
2869 | * @returns the window at the given coordinates. | |||
2870 | */ | |||
2871 | WindowPtr | |||
2872 | XYToWindow(SpritePtr pSprite, int x, int y) | |||
2873 | { | |||
2874 | ScreenPtr pScreen = RootWindow(pSprite)pSprite->spriteTrace[0]->drawable.pScreen; | |||
2875 | ||||
2876 | return (*pScreen->XYToWindow)(pScreen, pSprite, x, y); | |||
2877 | } | |||
2878 | ||||
2879 | /** | |||
2880 | * Ungrab a currently FocusIn grabbed device and grab the device on the | |||
2881 | * given window. If the win given is the NoneWin, the device is ungrabbed if | |||
2882 | * applicable and FALSE is returned. | |||
2883 | * | |||
2884 | * @returns TRUE if the device has been grabbed, or FALSE otherwise. | |||
2885 | */ | |||
2886 | BOOL | |||
2887 | ActivateFocusInGrab(DeviceIntPtr dev, WindowPtr old, WindowPtr win) | |||
2888 | { | |||
2889 | BOOL rc = FALSE0; | |||
2890 | DeviceEvent event; | |||
2891 | ||||
2892 | if (dev->deviceGrab.grab) { | |||
2893 | if (!dev->deviceGrab.fromPassiveGrab || | |||
2894 | dev->deviceGrab.grab->type != XI_Enter7 || | |||
2895 | dev->deviceGrab.grab->window == win || | |||
2896 | IsParent(dev->deviceGrab.grab->window, win)) | |||
2897 | return FALSE0; | |||
2898 | DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveUngrab5); | |||
2899 | (*dev->deviceGrab.DeactivateGrab) (dev); | |||
2900 | } | |||
2901 | ||||
2902 | if (win == NoneWin((WindowPtr)0L) || win == PointerRootWin((WindowPtr)1L)) | |||
2903 | return FALSE0; | |||
2904 | ||||
2905 | event = (DeviceEvent) { | |||
2906 | .header = ET_Internal, | |||
2907 | .type = ET_FocusIn, | |||
2908 | .length = sizeof(DeviceEvent), | |||
2909 | .time = GetTimeInMillis(), | |||
2910 | .deviceid = dev->id, | |||
2911 | .sourceid = dev->id, | |||
2912 | .detail.button = 0 | |||
2913 | }; | |||
2914 | rc = (CheckPassiveGrabsOnWindow(win, dev, (InternalEvent *) &event, FALSE0, | |||
2915 | TRUE1) != NULL((void*)0)); | |||
2916 | if (rc) | |||
2917 | DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveUngrab5); | |||
2918 | return rc; | |||
2919 | } | |||
2920 | ||||
2921 | /** | |||
2922 | * Ungrab a currently Enter grabbed device and grab the device for the given | |||
2923 | * window. | |||
2924 | * | |||
2925 | * @returns TRUE if the device has been grabbed, or FALSE otherwise. | |||
2926 | */ | |||
2927 | static BOOL | |||
2928 | ActivateEnterGrab(DeviceIntPtr dev, WindowPtr old, WindowPtr win) | |||
2929 | { | |||
2930 | BOOL rc = FALSE0; | |||
2931 | DeviceEvent event; | |||
2932 | ||||
2933 | if (dev->deviceGrab.grab) { | |||
2934 | if (!dev->deviceGrab.fromPassiveGrab || | |||
2935 | dev->deviceGrab.grab->type != XI_Enter7 || | |||
2936 | dev->deviceGrab.grab->window == win || | |||
2937 | IsParent(dev->deviceGrab.grab->window, win)) | |||
2938 | return FALSE0; | |||
2939 | DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveUngrab5); | |||
2940 | (*dev->deviceGrab.DeactivateGrab) (dev); | |||
2941 | } | |||
2942 | ||||
2943 | event = (DeviceEvent) { | |||
2944 | .header = ET_Internal, | |||
2945 | .type = ET_Enter, | |||
2946 | .length = sizeof(DeviceEvent), | |||
2947 | .time = GetTimeInMillis(), | |||
2948 | .deviceid = dev->id, | |||
2949 | .sourceid = dev->id, | |||
2950 | .detail.button = 0 | |||
2951 | }; | |||
2952 | rc = (CheckPassiveGrabsOnWindow(win, dev, (InternalEvent *) &event, FALSE0, | |||
2953 | TRUE1) != NULL((void*)0)); | |||
2954 | if (rc) | |||
2955 | DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveGrab4); | |||
2956 | return rc; | |||
2957 | } | |||
2958 | ||||
2959 | /** | |||
2960 | * Update the sprite coordinates based on the event. Update the cursor | |||
2961 | * position, then update the event with the new coordinates that may have been | |||
2962 | * changed. If the window underneath the sprite has changed, change to new | |||
2963 | * cursor and send enter/leave events. | |||
2964 | * | |||
2965 | * CheckMotion() will not do anything and return FALSE if the event is not a | |||
2966 | * pointer event. | |||
2967 | * | |||
2968 | * @return TRUE if the sprite has moved or FALSE otherwise. | |||
2969 | */ | |||
2970 | Bool | |||
2971 | CheckMotion(DeviceEvent *ev, DeviceIntPtr pDev) | |||
2972 | { | |||
2973 | WindowPtr prevSpriteWin, newSpriteWin; | |||
2974 | SpritePtr pSprite = pDev->spriteInfo->sprite; | |||
2975 | ||||
2976 | verify_internal_event((InternalEvent *) ev); | |||
2977 | ||||
2978 | prevSpriteWin = pSprite->win; | |||
2979 | ||||
2980 | if (ev && !syncEvents.playingEvents) { | |||
2981 | /* GetPointerEvents() guarantees that pointer events have the correct | |||
2982 | rootX/Y set already. */ | |||
2983 | switch (ev->type) { | |||
2984 | case ET_ButtonPress: | |||
2985 | case ET_ButtonRelease: | |||
2986 | case ET_Motion: | |||
2987 | case ET_TouchBegin: | |||
2988 | case ET_TouchUpdate: | |||
2989 | case ET_TouchEnd: | |||
2990 | break; | |||
2991 | default: | |||
2992 | /* all other events return FALSE */ | |||
2993 | return FALSE0; | |||
2994 | } | |||
2995 | ||||
2996 | #ifdef PANORAMIX1 | |||
2997 | if (!noPanoramiXExtension) { | |||
2998 | /* Motion events entering DIX get translated to Screen 0 | |||
2999 | coordinates. Replayed events have already been | |||
3000 | translated since they've entered DIX before */ | |||
3001 | ev->root_x += pSprite->screen->x - screenInfo.screens[0]->x; | |||
3002 | ev->root_y += pSprite->screen->y - screenInfo.screens[0]->y; | |||
3003 | } | |||
3004 | else | |||
3005 | #endif | |||
3006 | { | |||
3007 | if (pSprite->hot.pScreen != pSprite->hotPhys.pScreen) { | |||
3008 | pSprite->hot.pScreen = pSprite->hotPhys.pScreen; | |||
3009 | RootWindow(pDev->spriteInfo->sprite)pDev->spriteInfo->sprite->spriteTrace[0] = | |||
3010 | pSprite->hot.pScreen->root; | |||
3011 | } | |||
3012 | } | |||
3013 | ||||
3014 | pSprite->hot.x = ev->root_x; | |||
3015 | pSprite->hot.y = ev->root_y; | |||
3016 | if (pSprite->hot.x < pSprite->physLimits.x1) | |||
3017 | pSprite->hot.x = pSprite->physLimits.x1; | |||
3018 | else if (pSprite->hot.x >= pSprite->physLimits.x2) | |||
3019 | pSprite->hot.x = pSprite->physLimits.x2 - 1; | |||
3020 | if (pSprite->hot.y < pSprite->physLimits.y1) | |||
3021 | pSprite->hot.y = pSprite->physLimits.y1; | |||
3022 | else if (pSprite->hot.y >= pSprite->physLimits.y2) | |||
3023 | pSprite->hot.y = pSprite->physLimits.y2 - 1; | |||
3024 | if (pSprite->hotShape) | |||
3025 | ConfineToShape(pDev, pSprite->hotShape, &pSprite->hot.x, | |||
3026 | &pSprite->hot.y); | |||
3027 | pSprite->hotPhys = pSprite->hot; | |||
3028 | ||||
3029 | if ((pSprite->hotPhys.x != ev->root_x) || | |||
3030 | (pSprite->hotPhys.y != ev->root_y)) { | |||
3031 | #ifdef PANORAMIX1 | |||
3032 | if (!noPanoramiXExtension) { | |||
3033 | XineramaSetCursorPosition(pDev, pSprite->hotPhys.x, | |||
3034 | pSprite->hotPhys.y, FALSE0); | |||
3035 | } | |||
3036 | else | |||
3037 | #endif | |||
3038 | { | |||
3039 | (*pSprite->hotPhys.pScreen->SetCursorPosition) (pDev, | |||
3040 | pSprite-> | |||
3041 | hotPhys.pScreen, | |||
3042 | pSprite-> | |||
3043 | hotPhys.x, | |||
3044 | pSprite-> | |||
3045 | hotPhys.y, | |||
3046 | FALSE0); | |||
3047 | } | |||
3048 | } | |||
3049 | ||||
3050 | ev->root_x = pSprite->hot.x; | |||
3051 | ev->root_y = pSprite->hot.y; | |||
3052 | } | |||
3053 | ||||
3054 | newSpriteWin = XYToWindow(pSprite, pSprite->hot.x, pSprite->hot.y); | |||
3055 | ||||
3056 | if (newSpriteWin != prevSpriteWin) { | |||
3057 | int sourceid; | |||
3058 | ||||
3059 | if (!ev) { | |||
3060 | UpdateCurrentTimeIf(); | |||
3061 | sourceid = pDev->id; /* when from WindowsRestructured */ | |||
3062 | } | |||
3063 | else | |||
3064 | sourceid = ev->sourceid; | |||
3065 | ||||
3066 | if (prevSpriteWin != NullWindow((WindowPtr) 0)) { | |||
3067 | if (!ActivateEnterGrab(pDev, prevSpriteWin, newSpriteWin)) | |||
3068 | DoEnterLeaveEvents(pDev, sourceid, prevSpriteWin, | |||
3069 | newSpriteWin, NotifyNormal0); | |||
3070 | } | |||
3071 | /* set pSprite->win after ActivateEnterGrab, otherwise | |||
3072 | sprite window == grab_window and no enter/leave events are | |||
3073 | sent. */ | |||
3074 | pSprite->win = newSpriteWin; | |||
3075 | PostNewCursor(pDev); | |||
3076 | return FALSE0; | |||
3077 | } | |||
3078 | return TRUE1; | |||
3079 | } | |||
3080 | ||||
3081 | /** | |||
3082 | * Windows have restructured, we need to update the sprite position and the | |||
3083 | * sprite's cursor. | |||
3084 | */ | |||
3085 | void | |||
3086 | WindowsRestructured(void) | |||
3087 | { | |||
3088 | DeviceIntPtr pDev = inputInfo.devices; | |||
3089 | ||||
3090 | while (pDev) { | |||
3091 | if (IsMaster(pDev) || IsFloating(pDev)) | |||
3092 | CheckMotion(NULL((void*)0), pDev); | |||
3093 | pDev = pDev->next; | |||
3094 | } | |||
3095 | } | |||
3096 | ||||
3097 | #ifdef PANORAMIX1 | |||
3098 | /* This was added to support reconfiguration under Xdmx. The problem is | |||
3099 | * that if the 0th screen (i.e., screenInfo.screens[0]) is moved to an origin | |||
3100 | * other than 0,0, the information in the private sprite structure must | |||
3101 | * be updated accordingly, or XYToWindow (and other routines) will not | |||
3102 | * compute correctly. */ | |||
3103 | void | |||
3104 | ReinitializeRootWindow(WindowPtr win, int xoff, int yoff) | |||
3105 | { | |||
3106 | GrabPtr grab; | |||
3107 | DeviceIntPtr pDev; | |||
3108 | SpritePtr pSprite; | |||
3109 | ||||
3110 | if (noPanoramiXExtension) | |||
3111 | return; | |||
3112 | ||||
3113 | pDev = inputInfo.devices; | |||
3114 | while (pDev) { | |||
3115 | if (DevHasCursor(pDev)) { | |||
3116 | pSprite = pDev->spriteInfo->sprite; | |||
3117 | pSprite->hot.x -= xoff; | |||
3118 | pSprite->hot.y -= yoff; | |||
3119 | ||||
3120 | pSprite->hotPhys.x -= xoff; | |||
3121 | pSprite->hotPhys.y -= yoff; | |||
3122 | ||||
3123 | pSprite->hotLimits.x1 -= xoff; | |||
3124 | pSprite->hotLimits.y1 -= yoff; | |||
3125 | pSprite->hotLimits.x2 -= xoff; | |||
3126 | pSprite->hotLimits.y2 -= yoff; | |||
3127 | ||||
3128 | if (RegionNotEmpty(&pSprite->Reg1)) | |||
3129 | RegionTranslate(&pSprite->Reg1, xoff, yoff); | |||
3130 | if (RegionNotEmpty(&pSprite->Reg2)) | |||
3131 | RegionTranslate(&pSprite->Reg2, xoff, yoff); | |||
3132 | ||||
3133 | /* FIXME: if we call ConfineCursorToWindow, must we do anything else? */ | |||
3134 | if ((grab = pDev->deviceGrab.grab) && grab->confineTo) { | |||
3135 | if (grab->confineTo->drawable.pScreen | |||
3136 | != pSprite->hotPhys.pScreen) | |||
3137 | pSprite->hotPhys.x = pSprite->hotPhys.y = 0; | |||
3138 | ConfineCursorToWindow(pDev, grab->confineTo, TRUE1, TRUE1); | |||
3139 | } | |||
3140 | else | |||
3141 | ConfineCursorToWindow(pDev, | |||
3142 | pSprite->hotPhys.pScreen->root, | |||
3143 | TRUE1, FALSE0); | |||
3144 | ||||
3145 | } | |||
3146 | pDev = pDev->next; | |||
3147 | } | |||
3148 | } | |||
3149 | #endif | |||
3150 | ||||
3151 | /** | |||
3152 | * Initialize a sprite for the given device and set it to some sane values. If | |||
3153 | * the device already has a sprite alloc'd, don't realloc but just reset to | |||
3154 | * default values. | |||
3155 | * If a window is supplied, the sprite will be initialized with the window's | |||
3156 | * cursor and positioned in the center of the window's screen. The root window | |||
3157 | * is a good choice to pass in here. | |||
3158 | * | |||
3159 | * It's a good idea to call it only for pointer devices, unless you have a | |||
3160 | * really talented keyboard. | |||
3161 | * | |||
3162 | * @param pDev The device to initialize. | |||
3163 | * @param pWin The window where to generate the sprite in. | |||
3164 | * | |||
3165 | */ | |||
3166 | void | |||
3167 | InitializeSprite(DeviceIntPtr pDev, WindowPtr pWin) | |||
3168 | { | |||
3169 | SpritePtr pSprite; | |||
3170 | ScreenPtr pScreen; | |||
3171 | CursorPtr pCursor; | |||
3172 | ||||
3173 | if (!pDev->spriteInfo->sprite) { | |||
3174 | DeviceIntPtr it; | |||
3175 | ||||
3176 | pDev->spriteInfo->sprite = (SpritePtr) calloc(1, sizeof(SpriteRec)); | |||
3177 | if (!pDev->spriteInfo->sprite) | |||
3178 | FatalError("InitializeSprite: failed to allocate sprite struct"); | |||
3179 | ||||
3180 | /* We may have paired another device with this device before our | |||
3181 | * device had a actual sprite. We need to check for this and reset the | |||
3182 | * sprite field for all paired devices. | |||
3183 | * | |||
3184 | * The VCK is always paired with the VCP before the VCP has a sprite. | |||
3185 | */ | |||
3186 | for (it = inputInfo.devices; it; it = it->next) { | |||
3187 | if (it->spriteInfo->paired == pDev) | |||
3188 | it->spriteInfo->sprite = pDev->spriteInfo->sprite; | |||
3189 | } | |||
3190 | if (inputInfo.keyboard->spriteInfo->paired == pDev) | |||
3191 | inputInfo.keyboard->spriteInfo->sprite = pDev->spriteInfo->sprite; | |||
3192 | } | |||
3193 | ||||
3194 | pSprite = pDev->spriteInfo->sprite; | |||
3195 | pDev->spriteInfo->spriteOwner = TRUE1; | |||
3196 | ||||
3197 | pScreen = (pWin) ? pWin->drawable.pScreen : (ScreenPtr) NULL((void*)0); | |||
3198 | pSprite->hot.pScreen = pScreen; | |||
3199 | pSprite->hotPhys.pScreen = pScreen; | |||
3200 | if (pScreen) { | |||
3201 | pSprite->hotPhys.x = pScreen->width / 2; | |||
3202 | pSprite->hotPhys.y = pScreen->height / 2; | |||
3203 | pSprite->hotLimits.x2 = pScreen->width; | |||
3204 | pSprite->hotLimits.y2 = pScreen->height; | |||
3205 | } | |||
3206 | ||||
3207 | pSprite->hot = pSprite->hotPhys; | |||
3208 | pSprite->win = pWin; | |||
3209 | ||||
3210 | if (pWin) { | |||
3211 | pCursor = wCursor(pWin)((pWin)->cursorIsNone ? 0L : ((pWin)->optional ? (pWin) ->optional->cursor : FindWindowWithOptional(pWin)->optional ->cursor)); | |||
3212 | pSprite->spriteTrace = (WindowPtr *) calloc(1, 32 * sizeof(WindowPtr)); | |||
3213 | if (!pSprite->spriteTrace) | |||
3214 | FatalError("Failed to allocate spriteTrace"); | |||
3215 | pSprite->spriteTraceSize = 32; | |||
3216 | ||||
3217 | RootWindow(pDev->spriteInfo->sprite)pDev->spriteInfo->sprite->spriteTrace[0] = pWin; | |||
3218 | pSprite->spriteTraceGood = 1; | |||
3219 | ||||
3220 | pSprite->pEnqueueScreen = pScreen; | |||
3221 | pSprite->pDequeueScreen = pSprite->pEnqueueScreen; | |||
3222 | ||||
3223 | } | |||
3224 | else { | |||
3225 | pCursor = NullCursor((CursorPtr)((void*)0)); | |||
3226 | pSprite->spriteTrace = NULL((void*)0); | |||
3227 | pSprite->spriteTraceSize = 0; | |||
3228 | pSprite->spriteTraceGood = 0; | |||
3229 | pSprite->pEnqueueScreen = screenInfo.screens[0]; | |||
3230 | pSprite->pDequeueScreen = pSprite->pEnqueueScreen; | |||
3231 | } | |||
3232 | pCursor = RefCursor(pCursor); | |||
3233 | if (pSprite->current) | |||
3234 | FreeCursor(pSprite->current, None0L); | |||
3235 | pSprite->current = pCursor; | |||
3236 | ||||
3237 | if (pScreen) { | |||
3238 | (*pScreen->RealizeCursor) (pDev, pScreen, pSprite->current); | |||
3239 | (*pScreen->CursorLimits) (pDev, pScreen, pSprite->current, | |||
3240 | &pSprite->hotLimits, &pSprite->physLimits); | |||
3241 | pSprite->confined = FALSE0; | |||
3242 | ||||
3243 | (*pScreen->ConstrainCursor) (pDev, pScreen, &pSprite->physLimits); | |||
3244 | (*pScreen->SetCursorPosition) (pDev, pScreen, pSprite->hot.x, | |||
3245 | pSprite->hot.y, FALSE0); | |||
3246 | (*pScreen->DisplayCursor) (pDev, pScreen, pSprite->current); | |||
3247 | } | |||
3248 | #ifdef PANORAMIX1 | |||
3249 | if (!noPanoramiXExtension) { | |||
3250 | pSprite->hotLimits.x1 = -screenInfo.screens[0]->x; | |||
3251 | pSprite->hotLimits.y1 = -screenInfo.screens[0]->y; | |||
3252 | pSprite->hotLimits.x2 = PanoramiXPixWidth - screenInfo.screens[0]->x; | |||
3253 | pSprite->hotLimits.y2 = PanoramiXPixHeight - screenInfo.screens[0]->y; | |||
3254 | pSprite->physLimits = pSprite->hotLimits; | |||
3255 | pSprite->confineWin = NullWindow((WindowPtr) 0); | |||
3256 | pSprite->hotShape = NullRegion((RegionPtr)0); | |||
3257 | pSprite->screen = pScreen; | |||
3258 | /* gotta UNINIT these someplace */ | |||
3259 | RegionNull(&pSprite->Reg1); | |||
3260 | RegionNull(&pSprite->Reg2); | |||
3261 | } | |||
3262 | #endif | |||
3263 | } | |||
3264 | ||||
3265 | void FreeSprite(DeviceIntPtr dev) | |||
3266 | { | |||
3267 | if (DevHasCursor(dev) && dev->spriteInfo->sprite) { | |||
3268 | if (dev->spriteInfo->sprite->current) | |||
3269 | FreeCursor(dev->spriteInfo->sprite->current, None0L); | |||
3270 | free(dev->spriteInfo->sprite->spriteTrace); | |||
3271 | free(dev->spriteInfo->sprite); | |||
3272 | } | |||
3273 | dev->spriteInfo->sprite = NULL((void*)0); | |||
3274 | } | |||
3275 | ||||
3276 | ||||
3277 | /** | |||
3278 | * Update the mouse sprite info when the server switches from a pScreen to another. | |||
3279 | * Otherwise, the pScreen of the mouse sprite is never updated when we switch | |||
3280 | * from a pScreen to another. Never updating the pScreen of the mouse sprite | |||
3281 | * implies that windows that are in pScreen whose pScreen->myNum >0 will never | |||
3282 | * get pointer events. This is because in CheckMotion(), sprite.hotPhys.pScreen | |||
3283 | * always points to the first pScreen it has been set by | |||
3284 | * DefineInitialRootWindow(). | |||
3285 | * | |||
3286 | * Calling this function is useful for use cases where the server | |||
3287 | * has more than one pScreen. | |||
3288 | * This function is similar to DefineInitialRootWindow() but it does not | |||
3289 | * reset the mouse pointer position. | |||
3290 | * @param win must be the new pScreen we are switching to. | |||
3291 | */ | |||
3292 | void | |||
3293 | UpdateSpriteForScreen(DeviceIntPtr pDev, ScreenPtr pScreen) | |||
3294 | { | |||
3295 | SpritePtr pSprite = NULL((void*)0); | |||
3296 | WindowPtr win = NULL((void*)0); | |||
3297 | CursorPtr pCursor; | |||
3298 | ||||
3299 | if (!pScreen) | |||
3300 | return; | |||
3301 | ||||
3302 | if (!pDev->spriteInfo->sprite) | |||
3303 | return; | |||
3304 | ||||
3305 | pSprite = pDev->spriteInfo->sprite; | |||
3306 | ||||
3307 | win = pScreen->root; | |||
3308 | ||||
3309 | pSprite->hotPhys.pScreen = pScreen; | |||
3310 | pSprite->hot = pSprite->hotPhys; | |||
3311 | pSprite->hotLimits.x2 = pScreen->width; | |||
3312 | pSprite->hotLimits.y2 = pScreen->height; | |||
3313 | pSprite->win = win; | |||
3314 | pCursor = RefCursor(wCursor(win)((win)->cursorIsNone ? 0L : ((win)->optional ? (win)-> optional->cursor : FindWindowWithOptional(win)->optional ->cursor))); | |||
3315 | if (pSprite->current) | |||
3316 | FreeCursor(pSprite->current, 0); | |||
3317 | pSprite->current = pCursor; | |||
3318 | pSprite->spriteTraceGood = 1; | |||
3319 | pSprite->spriteTrace[0] = win; | |||
3320 | (*pScreen->CursorLimits) (pDev, | |||
3321 | pScreen, | |||
3322 | pSprite->current, | |||
3323 | &pSprite->hotLimits, &pSprite->physLimits); | |||
3324 | pSprite->confined = FALSE0; | |||
3325 | (*pScreen->ConstrainCursor) (pDev, pScreen, &pSprite->physLimits); | |||
3326 | (*pScreen->DisplayCursor) (pDev, pScreen, pSprite->current); | |||
3327 | ||||
3328 | #ifdef PANORAMIX1 | |||
3329 | if (!noPanoramiXExtension) { | |||
3330 | pSprite->hotLimits.x1 = -screenInfo.screens[0]->x; | |||
3331 | pSprite->hotLimits.y1 = -screenInfo.screens[0]->y; | |||
3332 | pSprite->hotLimits.x2 = PanoramiXPixWidth - screenInfo.screens[0]->x; | |||
3333 | pSprite->hotLimits.y2 = PanoramiXPixHeight - screenInfo.screens[0]->y; | |||
3334 | pSprite->physLimits = pSprite->hotLimits; | |||
3335 | pSprite->screen = pScreen; | |||
3336 | } | |||
3337 | #endif | |||
3338 | } | |||
3339 | ||||
3340 | /* | |||
3341 | * This does not take any shortcuts, and even ignores its argument, since | |||
3342 | * it does not happen very often, and one has to walk up the tree since | |||
3343 | * this might be a newly instantiated cursor for an intermediate window | |||
3344 | * between the one the pointer is in and the one that the last cursor was | |||
3345 | * instantiated from. | |||
3346 | */ | |||
3347 | void | |||
3348 | WindowHasNewCursor(WindowPtr pWin) | |||
3349 | { | |||
3350 | DeviceIntPtr pDev; | |||
3351 | ||||
3352 | for (pDev = inputInfo.devices; pDev; pDev = pDev->next) | |||
3353 | if (DevHasCursor(pDev)) | |||
3354 | PostNewCursor(pDev); | |||
3355 | } | |||
3356 | ||||
3357 | void | |||
3358 | NewCurrentScreen(DeviceIntPtr pDev, ScreenPtr newScreen, int x, int y) | |||
3359 | { | |||
3360 | DeviceIntPtr ptr; | |||
3361 | SpritePtr pSprite; | |||
3362 | ||||
3363 | ptr = | |||
3364 | IsFloating(pDev) ? pDev : | |||
3365 | GetXTestDevice(GetMaster(pDev, MASTER_POINTER1)); | |||
3366 | pSprite = ptr->spriteInfo->sprite; | |||
3367 | ||||
3368 | pSprite->hotPhys.x = x; | |||
3369 | pSprite->hotPhys.y = y; | |||
3370 | #ifdef PANORAMIX1 | |||
3371 | if (!noPanoramiXExtension) { | |||
3372 | pSprite->hotPhys.x += newScreen->x - screenInfo.screens[0]->x; | |||
3373 | pSprite->hotPhys.y += newScreen->y - screenInfo.screens[0]->y; | |||
3374 | if (newScreen != pSprite->screen) { | |||
3375 | pSprite->screen = newScreen; | |||
3376 | /* Make sure we tell the DDX to update its copy of the screen */ | |||
3377 | if (pSprite->confineWin) | |||
3378 | XineramaConfineCursorToWindow(ptr, pSprite->confineWin, TRUE1); | |||
3379 | else | |||
3380 | XineramaConfineCursorToWindow(ptr, screenInfo.screens[0]->root, | |||
3381 | TRUE1); | |||
3382 | /* if the pointer wasn't confined, the DDX won't get | |||
3383 | told of the pointer warp so we reposition it here */ | |||
3384 | if (!syncEvents.playingEvents) | |||
3385 | (*pSprite->screen->SetCursorPosition) (ptr, | |||
3386 | pSprite->screen, | |||
3387 | pSprite->hotPhys.x + | |||
3388 | screenInfo.screens[0]-> | |||
3389 | x - pSprite->screen->x, | |||
3390 | pSprite->hotPhys.y + | |||
3391 | screenInfo.screens[0]-> | |||
3392 | y - pSprite->screen->y, | |||
3393 | FALSE0); | |||
3394 | } | |||
3395 | } | |||
3396 | else | |||
3397 | #endif | |||
3398 | if (newScreen != pSprite->hotPhys.pScreen) | |||
3399 | ConfineCursorToWindow(ptr, newScreen->root, TRUE1, FALSE0); | |||
3400 | } | |||
3401 | ||||
3402 | #ifdef PANORAMIX1 | |||
3403 | ||||
3404 | static Bool | |||
3405 | XineramaPointInWindowIsVisible(WindowPtr pWin, int x, int y) | |||
3406 | { | |||
3407 | BoxRec box; | |||
3408 | int i, xoff, yoff; | |||
3409 | ||||
3410 | if (!pWin->realized) | |||
3411 | return FALSE0; | |||
3412 | ||||
3413 | if (RegionContainsPoint(&pWin->borderClip, x, y, &box)) | |||
3414 | return TRUE1; | |||
3415 | ||||
3416 | if (!XineramaSetWindowPntrs(inputInfo.pointer, pWin)) | |||
3417 | return FALSE0; | |||
3418 | ||||
3419 | xoff = x + screenInfo.screens[0]->x; | |||
3420 | yoff = y + screenInfo.screens[0]->y; | |||
3421 | ||||
3422 | FOR_NSCREENS_FORWARD_SKIP(i)for(i = 1; i < PanoramiXNumScreens; i++) { | |||
3423 | pWin = inputInfo.pointer->spriteInfo->sprite->windows[i]; | |||
3424 | ||||
3425 | x = xoff - screenInfo.screens[i]->x; | |||
3426 | y = yoff - screenInfo.screens[i]->y; | |||
3427 | ||||
3428 | if (RegionContainsPoint(&pWin->borderClip, x, y, &box) | |||
3429 | && (!wInputShape(pWin)((pWin)->optional ? (pWin)->optional->inputShape : ( (void*)0)) || | |||
3430 | RegionContainsPoint(wInputShape(pWin)((pWin)->optional ? (pWin)->optional->inputShape : ( (void*)0)), | |||
3431 | x - pWin->drawable.x, | |||
3432 | y - pWin->drawable.y, &box))) | |||
3433 | return TRUE1; | |||
3434 | ||||
3435 | } | |||
3436 | ||||
3437 | return FALSE0; | |||
3438 | } | |||
3439 | ||||
3440 | static int | |||
3441 | XineramaWarpPointer(ClientPtr client) | |||
3442 | { | |||
3443 | WindowPtr dest = NULL((void*)0); | |||
3444 | int x, y, rc; | |||
3445 | SpritePtr pSprite = PickPointer(client)->spriteInfo->sprite; | |||
3446 | ||||
3447 | REQUEST(xWarpPointerReq)xWarpPointerReq *stuff = (xWarpPointerReq *)client->requestBuffer; | |||
3448 | ||||
3449 | if (stuff->dstWid != None0L) { | |||
3450 | rc = dixLookupWindow(&dest, stuff->dstWid, client, DixReadAccess(1<<0)); | |||
3451 | if (rc != Success0) | |||
3452 | return rc; | |||
3453 | } | |||
3454 | x = pSprite->hotPhys.x; | |||
3455 | y = pSprite->hotPhys.y; | |||
3456 | ||||
3457 | if (stuff->srcWid != None0L) { | |||
3458 | int winX, winY; | |||
3459 | XID winID = stuff->srcWid; | |||
3460 | WindowPtr source; | |||
3461 | ||||
3462 | rc = dixLookupWindow(&source, winID, client, DixReadAccess(1<<0)); | |||
3463 | if (rc != Success0) | |||
3464 | return rc; | |||
3465 | ||||
3466 | winX = source->drawable.x; | |||
3467 | winY = source->drawable.y; | |||
3468 | if (source == screenInfo.screens[0]->root) { | |||
3469 | winX -= screenInfo.screens[0]->x; | |||
3470 | winY -= screenInfo.screens[0]->y; | |||
3471 | } | |||
3472 | if (x < winX + stuff->srcX || | |||
3473 | y < winY + stuff->srcY || | |||
3474 | (stuff->srcWidth != 0 && | |||
3475 | winX + stuff->srcX + (int) stuff->srcWidth < x) || | |||
3476 | (stuff->srcHeight != 0 && | |||
3477 | winY + stuff->srcY + (int) stuff->srcHeight < y) || | |||
3478 | !XineramaPointInWindowIsVisible(source, x, y)) | |||
3479 | return Success0; | |||
3480 | } | |||
3481 | if (dest) { | |||
3482 | x = dest->drawable.x; | |||
3483 | y = dest->drawable.y; | |||
3484 | if (dest == screenInfo.screens[0]->root) { | |||
3485 | x -= screenInfo.screens[0]->x; | |||
3486 | y -= screenInfo.screens[0]->y; | |||
3487 | } | |||
3488 | } | |||
3489 | ||||
3490 | x += stuff->dstX; | |||
3491 | y += stuff->dstY; | |||
3492 | ||||
3493 | if (x < pSprite->physLimits.x1) | |||
3494 | x = pSprite->physLimits.x1; | |||
3495 | else if (x >= pSprite->physLimits.x2) | |||
3496 | x = pSprite->physLimits.x2 - 1; | |||
3497 | if (y < pSprite->physLimits.y1) | |||
3498 | y = pSprite->physLimits.y1; | |||
3499 | else if (y >= pSprite->physLimits.y2) | |||
3500 | y = pSprite->physLimits.y2 - 1; | |||
3501 | if (pSprite->hotShape) | |||
3502 | ConfineToShape(PickPointer(client), pSprite->hotShape, &x, &y); | |||
3503 | ||||
3504 | XineramaSetCursorPosition(PickPointer(client), x, y, TRUE1); | |||
3505 | ||||
3506 | return Success0; | |||
3507 | } | |||
3508 | ||||
3509 | #endif | |||
3510 | ||||
3511 | /** | |||
3512 | * Server-side protocol handling for WarpPointer request. | |||
3513 | * Warps the cursor position to the coordinates given in the request. | |||
3514 | */ | |||
3515 | int | |||
3516 | ProcWarpPointer(ClientPtr client) | |||
3517 | { | |||
3518 | WindowPtr dest = NULL((void*)0); | |||
3519 | int x, y, rc; | |||
3520 | ScreenPtr newScreen; | |||
3521 | DeviceIntPtr dev, tmp; | |||
3522 | SpritePtr pSprite; | |||
3523 | ||||
3524 | REQUEST(xWarpPointerReq)xWarpPointerReq *stuff = (xWarpPointerReq *)client->requestBuffer; | |||
3525 | REQUEST_SIZE_MATCH(xWarpPointerReq)if ((sizeof(xWarpPointerReq) >> 2) != client->req_len ) return(16); | |||
3526 | ||||
3527 | dev = PickPointer(client); | |||
3528 | ||||
3529 | for (tmp = inputInfo.devices; tmp; tmp = tmp->next) { | |||
3530 | if (GetMaster(tmp, MASTER_ATTACHED4) == dev) { | |||
3531 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, dev, DixWriteAccess(1<<1)); | |||
3532 | if (rc != Success0) | |||
3533 | return rc; | |||
3534 | } | |||
3535 | } | |||
3536 | ||||
3537 | if (dev->lastSlave) | |||
3538 | dev = dev->lastSlave; | |||
3539 | pSprite = dev->spriteInfo->sprite; | |||
3540 | ||||
3541 | #ifdef PANORAMIX1 | |||
3542 | if (!noPanoramiXExtension) | |||
3543 | return XineramaWarpPointer(client); | |||
3544 | #endif | |||
3545 | ||||
3546 | if (stuff->dstWid != None0L) { | |||
3547 | rc = dixLookupWindow(&dest, stuff->dstWid, client, DixGetAttrAccess(1<<4)); | |||
3548 | if (rc != Success0) | |||
3549 | return rc; | |||
3550 | } | |||
3551 | x = pSprite->hotPhys.x; | |||
3552 | y = pSprite->hotPhys.y; | |||
3553 | ||||
3554 | if (stuff->srcWid != None0L) { | |||
3555 | int winX, winY; | |||
3556 | XID winID = stuff->srcWid; | |||
3557 | WindowPtr source; | |||
3558 | ||||
3559 | rc = dixLookupWindow(&source, winID, client, DixGetAttrAccess(1<<4)); | |||
3560 | if (rc != Success0) | |||
3561 | return rc; | |||
3562 | ||||
3563 | winX = source->drawable.x; | |||
3564 | winY = source->drawable.y; | |||
3565 | if (source->drawable.pScreen != pSprite->hotPhys.pScreen || | |||
3566 | x < winX + stuff->srcX || | |||
3567 | y < winY + stuff->srcY || | |||
3568 | (stuff->srcWidth != 0 && | |||
3569 | winX + stuff->srcX + (int) stuff->srcWidth < x) || | |||
3570 | (stuff->srcHeight != 0 && | |||
3571 | winY + stuff->srcY + (int) stuff->srcHeight < y) || | |||
3572 | !PointInWindowIsVisible(source, x, y)) | |||
3573 | return Success0; | |||
3574 | } | |||
3575 | if (dest) { | |||
3576 | x = dest->drawable.x; | |||
3577 | y = dest->drawable.y; | |||
3578 | newScreen = dest->drawable.pScreen; | |||
3579 | } | |||
3580 | else | |||
3581 | newScreen = pSprite->hotPhys.pScreen; | |||
3582 | ||||
3583 | x += stuff->dstX; | |||
3584 | y += stuff->dstY; | |||
3585 | ||||
3586 | if (x < 0) | |||
3587 | x = 0; | |||
3588 | else if (x >= newScreen->width) | |||
3589 | x = newScreen->width - 1; | |||
3590 | if (y < 0) | |||
3591 | y = 0; | |||
3592 | else if (y >= newScreen->height) | |||
3593 | y = newScreen->height - 1; | |||
3594 | ||||
3595 | if (newScreen == pSprite->hotPhys.pScreen) { | |||
3596 | if (x < pSprite->physLimits.x1) | |||
3597 | x = pSprite->physLimits.x1; | |||
3598 | else if (x >= pSprite->physLimits.x2) | |||
3599 | x = pSprite->physLimits.x2 - 1; | |||
3600 | if (y < pSprite->physLimits.y1) | |||
3601 | y = pSprite->physLimits.y1; | |||
3602 | else if (y >= pSprite->physLimits.y2) | |||
3603 | y = pSprite->physLimits.y2 - 1; | |||
3604 | if (pSprite->hotShape) | |||
3605 | ConfineToShape(dev, pSprite->hotShape, &x, &y); | |||
3606 | (*newScreen->SetCursorPosition) (dev, newScreen, x, y, TRUE1); | |||
3607 | } | |||
3608 | else if (!PointerConfinedToScreen(dev)) { | |||
3609 | NewCurrentScreen(dev, newScreen, x, y); | |||
3610 | } | |||
3611 | return Success0; | |||
3612 | } | |||
3613 | ||||
3614 | static Bool | |||
3615 | BorderSizeNotEmpty(DeviceIntPtr pDev, WindowPtr pWin) | |||
3616 | { | |||
3617 | if (RegionNotEmpty(&pWin->borderSize)) | |||
3618 | return TRUE1; | |||
3619 | ||||
3620 | #ifdef PANORAMIX1 | |||
3621 | if (!noPanoramiXExtension && XineramaSetWindowPntrs(pDev, pWin)) { | |||
3622 | int i; | |||
3623 | ||||
3624 | FOR_NSCREENS_FORWARD_SKIP(i)for(i = 1; i < PanoramiXNumScreens; i++) { | |||
3625 | if (RegionNotEmpty | |||
3626 | (&pDev->spriteInfo->sprite->windows[i]->borderSize)) | |||
3627 | return TRUE1; | |||
3628 | } | |||
3629 | } | |||
3630 | #endif | |||
3631 | return FALSE0; | |||
3632 | } | |||
3633 | ||||
3634 | /** | |||
3635 | * Activate the given passive grab. If the grab is activated successfully, the | |||
3636 | * event has been delivered to the client. | |||
3637 | * | |||
3638 | * @param device The device of the event to check. | |||
3639 | * @param grab The grab to check. | |||
3640 | * @param event The current device event. | |||
3641 | * @param real_event The original event, in case of touch emulation. The | |||
3642 | * real event is the one stored in the sync queue. | |||
3643 | * | |||
3644 | * @return Whether the grab has been activated. | |||
3645 | */ | |||
3646 | Bool | |||
3647 | ActivatePassiveGrab(DeviceIntPtr device, GrabPtr grab, InternalEvent *event, | |||
3648 | InternalEvent *real_event) | |||
3649 | { | |||
3650 | SpritePtr pSprite = device->spriteInfo->sprite; | |||
3651 | GrabInfoPtr grabinfo = &device->deviceGrab; | |||
3652 | xEvent *xE = NULL((void*)0); | |||
3653 | int count; | |||
3654 | int rc; | |||
3655 | ||||
3656 | /* The only consumers of corestate are Xi 1.x and core events, which | |||
3657 | * are guaranteed to come from DeviceEvents. */ | |||
3658 | if (grab->grabtype == XI || grab->grabtype == CORE) { | |||
3659 | DeviceIntPtr gdev; | |||
3660 | ||||
3661 | event->device_event.corestate &= 0x1f00; | |||
3662 | ||||
3663 | if (grab->grabtype == CORE) | |||
3664 | gdev = GetMaster(device, KEYBOARD_OR_FLOAT5); | |||
3665 | else | |||
3666 | gdev = grab->modifierDevice; | |||
3667 | ||||
3668 | if (gdev && gdev->key && gdev->key->xkbInfo) | |||
3669 | event->device_event.corestate |= | |||
3670 | gdev->key->xkbInfo->state.grab_mods & (~0x1f00); | |||
3671 | } | |||
3672 | ||||
3673 | if (grab->grabtype == CORE) { | |||
3674 | rc = EventToCore(event, &xE, &count); | |||
3675 | if (rc != Success0) { | |||
3676 | BUG_WARN_MSG(rc != BadMatch, "[dix] %s: core conversion failed"do { if (rc != 8) { ErrorFSigSafe("BUG: triggered 'if (" "rc != 8" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "events.c", 3677 , __func__); if (1) ErrorFSigSafe("[dix] %s: core conversion failed" "(%d, %d).\n", device->name, event->any.type, rc); xorg_backtrace (); } } while(0) | |||
3677 | "(%d, %d).\n", device->name, event->any.type, rc)do { if (rc != 8) { ErrorFSigSafe("BUG: triggered 'if (" "rc != 8" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "events.c", 3677 , __func__); if (1) ErrorFSigSafe("[dix] %s: core conversion failed" "(%d, %d).\n", device->name, event->any.type, rc); xorg_backtrace (); } } while(0); | |||
3678 | return FALSE0; | |||
3679 | } | |||
3680 | } | |||
3681 | else if (grab->grabtype == XI2) { | |||
3682 | rc = EventToXI2(event, &xE); | |||
3683 | if (rc != Success0) { | |||
3684 | if (rc != BadMatch8) | |||
3685 | BUG_WARN_MSG(rc != BadMatch, "[dix] %s: XI2 conversion failed"do { if (rc != 8) { ErrorFSigSafe("BUG: triggered 'if (" "rc != 8" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "events.c", 3686 , __func__); if (1) ErrorFSigSafe("[dix] %s: XI2 conversion failed" "(%d, %d).\n", device->name, event->any.type, rc); xorg_backtrace (); } } while(0) | |||
3686 | "(%d, %d).\n", device->name, event->any.type, rc)do { if (rc != 8) { ErrorFSigSafe("BUG: triggered 'if (" "rc != 8" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "events.c", 3686 , __func__); if (1) ErrorFSigSafe("[dix] %s: XI2 conversion failed" "(%d, %d).\n", device->name, event->any.type, rc); xorg_backtrace (); } } while(0); | |||
3687 | return FALSE0; | |||
3688 | } | |||
3689 | count = 1; | |||
3690 | } | |||
3691 | else { | |||
3692 | rc = EventToXI(event, &xE, &count); | |||
3693 | if (rc != Success0) { | |||
3694 | if (rc != BadMatch8) | |||
3695 | BUG_WARN_MSG(rc != BadMatch, "[dix] %s: XI conversion failed"do { if (rc != 8) { ErrorFSigSafe("BUG: triggered 'if (" "rc != 8" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "events.c", 3696 , __func__); if (1) ErrorFSigSafe("[dix] %s: XI conversion failed" "(%d, %d).\n", device->name, event->any.type, rc); xorg_backtrace (); } } while(0) | |||
3696 | "(%d, %d).\n", device->name, event->any.type, rc)do { if (rc != 8) { ErrorFSigSafe("BUG: triggered 'if (" "rc != 8" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "events.c", 3696 , __func__); if (1) ErrorFSigSafe("[dix] %s: XI conversion failed" "(%d, %d).\n", device->name, event->any.type, rc); xorg_backtrace (); } } while(0); | |||
3697 | return FALSE0; | |||
3698 | } | |||
3699 | } | |||
3700 | ||||
3701 | (*grabinfo->ActivateGrab) (device, grab, | |||
3702 | ClientTimeToServerTime(event->any.time), TRUE1); | |||
3703 | ||||
3704 | if (xE) { | |||
3705 | FixUpEventFromWindow(pSprite, xE, grab->window, None0L, TRUE1); | |||
3706 | ||||
3707 | /* XXX: XACE? */ | |||
3708 | TryClientEvents(rClient(grab)(clients[((int)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), device, xE, count, | |||
3709 | GetEventFilter(device, xE), | |||
3710 | GetEventFilter(device, xE), grab); | |||
3711 | } | |||
3712 | ||||
3713 | if (grabinfo->sync.state == FROZEN_NO_EVENT5) | |||
3714 | grabinfo->sync.state = FROZEN_WITH_EVENT6; | |||
3715 | *grabinfo->sync.event = real_event->device_event; | |||
3716 | ||||
3717 | free(xE); | |||
3718 | return TRUE1; | |||
3719 | } | |||
3720 | ||||
3721 | static BOOL | |||
3722 | CoreGrabInterferes(DeviceIntPtr device, GrabPtr grab) | |||
3723 | { | |||
3724 | DeviceIntPtr other; | |||
3725 | BOOL interfering = FALSE0; | |||
3726 | ||||
3727 | for (other = inputInfo.devices; other; other = other->next) { | |||
3728 | GrabPtr othergrab = other->deviceGrab.grab; | |||
3729 | ||||
3730 | if (othergrab && othergrab->grabtype == CORE && | |||
3731 | SameClient(grab, rClient(othergrab))((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == ((clients[ ((int)((((othergrab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]))->clientAsMask) && | |||
3732 | ((IsPointerDevice(grab->device) && | |||
3733 | IsPointerDevice(othergrab->device)) || | |||
3734 | (IsKeyboardDevice(grab->device) && | |||
3735 | IsKeyboardDevice(othergrab->device)))) { | |||
3736 | interfering = TRUE1; | |||
3737 | break; | |||
3738 | } | |||
3739 | } | |||
3740 | ||||
3741 | return interfering; | |||
3742 | } | |||
3743 | ||||
3744 | enum MatchFlags { | |||
3745 | NO_MATCH = 0x0, | |||
3746 | CORE_MATCH = 0x1, | |||
3747 | XI_MATCH = 0x2, | |||
3748 | XI2_MATCH = 0x4, | |||
3749 | }; | |||
3750 | ||||
3751 | /** | |||
3752 | * Match the grab against the temporary grab on the given input level. | |||
3753 | * Modifies the temporary grab pointer. | |||
3754 | * | |||
3755 | * @param grab The grab to match against | |||
3756 | * @param tmp The temporary grab to use for matching | |||
3757 | * @param level The input level we want to match on | |||
3758 | * @param event_type Wire protocol event type | |||
3759 | * | |||
3760 | * @return The respective matched flag or 0 for no match | |||
3761 | */ | |||
3762 | static enum MatchFlags | |||
3763 | MatchForType(const GrabPtr grab, GrabPtr tmp, enum InputLevel level, | |||
3764 | int event_type) | |||
3765 | { | |||
3766 | enum MatchFlags match; | |||
3767 | BOOL ignore_device = FALSE0; | |||
3768 | int grabtype; | |||
3769 | int evtype; | |||
3770 | ||||
3771 | switch (level) { | |||
3772 | case XI2: | |||
3773 | grabtype = XI2; | |||
3774 | evtype = GetXI2Type(event_type); | |||
3775 | BUG_WARN(!evtype)do { if (!evtype) { ErrorFSigSafe("BUG: triggered 'if (" "!evtype" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "events.c", 3775 , __func__); if (0) ErrorFSigSafe(((void*)0)); xorg_backtrace (); } } while(0); | |||
3776 | match = XI2_MATCH; | |||
3777 | break; | |||
3778 | case XI: | |||
3779 | grabtype = XI; | |||
3780 | evtype = GetXIType(event_type); | |||
3781 | match = XI_MATCH; | |||
3782 | break; | |||
3783 | case CORE: | |||
3784 | grabtype = CORE; | |||
3785 | evtype = GetCoreType(event_type); | |||
3786 | match = CORE_MATCH; | |||
3787 | ignore_device = TRUE1; | |||
3788 | break; | |||
3789 | default: | |||
3790 | return NO_MATCH; | |||
3791 | } | |||
3792 | ||||
3793 | tmp->grabtype = grabtype; | |||
3794 | tmp->type = evtype; | |||
3795 | ||||
3796 | if (tmp->type && GrabMatchesSecond(tmp, grab, ignore_device)) | |||
3797 | return match; | |||
3798 | ||||
3799 | return NO_MATCH; | |||
3800 | } | |||
3801 | ||||
3802 | /** | |||
3803 | * Check an individual grab against an event to determine if a passive grab | |||
3804 | * should be activated. | |||
3805 | * | |||
3806 | * @param device The device of the event to check. | |||
3807 | * @param grab The grab to check. | |||
3808 | * @param event The current device event. | |||
3809 | * @param checkCore Check for core grabs too. | |||
3810 | * @param tempGrab A pre-allocated temporary grab record for matching. This | |||
3811 | * must have the window and device values filled in. | |||
3812 | * | |||
3813 | * @return Whether the grab matches the event. | |||
3814 | */ | |||
3815 | static Bool | |||
3816 | CheckPassiveGrab(DeviceIntPtr device, GrabPtr grab, InternalEvent *event, | |||
3817 | Bool checkCore, GrabPtr tempGrab) | |||
3818 | { | |||
3819 | DeviceIntPtr gdev; | |||
3820 | XkbSrvInfoPtr xkbi = NULL((void*)0); | |||
3821 | enum MatchFlags match = 0; | |||
3822 | int emulated_type = 0; | |||
3823 | ||||
3824 | gdev = grab->modifierDevice; | |||
3825 | if (grab->grabtype == CORE) { | |||
3826 | gdev = GetMaster(device, KEYBOARD_OR_FLOAT5); | |||
3827 | } | |||
3828 | else if (grab->grabtype == XI2) { | |||
3829 | /* if the device is an attached slave device, gdev must be the | |||
3830 | * attached master keyboard. Since the slave may have been | |||
3831 | * reattached after the grab, the modifier device may not be the | |||
3832 | * same. */ | |||
3833 | if (!IsMaster(grab->device) && !IsFloating(device)) | |||
3834 | gdev = GetMaster(device, MASTER_KEYBOARD2); | |||
3835 | } | |||
3836 | ||||
3837 | if (gdev && gdev->key) | |||
3838 | xkbi = gdev->key->xkbInfo; | |||
3839 | tempGrab->modifierDevice = grab->modifierDevice; | |||
3840 | tempGrab->modifiersDetail.exact = xkbi ? xkbi->state.grab_mods : 0; | |||
3841 | ||||
3842 | /* Check for XI2 and XI grabs first */ | |||
3843 | match = MatchForType(grab, tempGrab, XI2, event->any.type); | |||
3844 | ||||
3845 | if (!match && IsTouchEvent(event) && | |||
3846 | (event->device_event.flags & TOUCH_POINTER_EMULATED(1 << 5))) { | |||
3847 | emulated_type = TouchGetPointerEventType(event); | |||
3848 | match = MatchForType(grab, tempGrab, XI2, emulated_type); | |||
3849 | } | |||
3850 | ||||
3851 | if (!match) | |||
3852 | match = MatchForType(grab, tempGrab, XI, event->any.type); | |||
3853 | ||||
3854 | if (!match && emulated_type) | |||
3855 | match = MatchForType(grab, tempGrab, XI, emulated_type); | |||
3856 | ||||
3857 | if (!match && checkCore) { | |||
3858 | match = MatchForType(grab, tempGrab, CORE, event->any.type); | |||
3859 | if (!match && emulated_type) | |||
3860 | match = MatchForType(grab, tempGrab, CORE, emulated_type); | |||
3861 | } | |||
3862 | ||||
3863 | if (!match || (grab->confineTo && | |||
3864 | (!grab->confineTo->realized || | |||
3865 | !BorderSizeNotEmpty(device, grab->confineTo)))) | |||
3866 | return FALSE0; | |||
3867 | ||||
3868 | /* In some cases a passive core grab may exist, but the client | |||
3869 | * already has a core grab on some other device. In this case we | |||
3870 | * must not get the grab, otherwise we may never ungrab the | |||
3871 | * device. | |||
3872 | */ | |||
3873 | ||||
3874 | if (grab->grabtype == CORE) { | |||
3875 | /* A passive grab may have been created for a different device | |||
3876 | than it is assigned to at this point in time. | |||
3877 | Update the grab's device and modifier device to reflect the | |||
3878 | current state. | |||
3879 | Since XGrabDeviceButton requires to specify the | |||
3880 | modifierDevice explicitly, we don't override this choice. | |||
3881 | */ | |||
3882 | if (grab->type < GenericEvent35) { | |||
3883 | grab->device = device; | |||
3884 | grab->modifierDevice = GetMaster(device, MASTER_KEYBOARD2); | |||
3885 | } | |||
3886 | ||||
3887 | if (CoreGrabInterferes(device, grab)) | |||
3888 | return FALSE0; | |||
3889 | } | |||
3890 | ||||
3891 | return TRUE1; | |||
3892 | } | |||
3893 | ||||
3894 | /** | |||
3895 | * "CheckPassiveGrabsOnWindow" checks to see if the event passed in causes a | |||
3896 | * passive grab set on the window to be activated. | |||
3897 | * If activate is true and a passive grab is found, it will be activated, | |||
3898 | * and the event will be delivered to the client. | |||
3899 | * | |||
3900 | * @param pWin The window that may be subject to a passive grab. | |||
3901 | * @param device Device that caused the event. | |||
3902 | * @param event The current device event. | |||
3903 | * @param checkCore Check for core grabs too. | |||
3904 | * @param activate If a grab is found, activate it and deliver the event. | |||
3905 | */ | |||
3906 | ||||
3907 | GrabPtr | |||
3908 | CheckPassiveGrabsOnWindow(WindowPtr pWin, | |||
3909 | DeviceIntPtr device, | |||
3910 | InternalEvent *event, BOOL checkCore, BOOL activate) | |||
3911 | { | |||
3912 | GrabPtr grab = wPassiveGrabs(pWin)((pWin)->optional ? (pWin)->optional->passiveGrabs : ((void*)0)); | |||
3913 | GrabPtr tempGrab; | |||
3914 | ||||
3915 | if (!grab) | |||
3916 | return NULL((void*)0); | |||
3917 | ||||
3918 | tempGrab = AllocGrab(NULL((void*)0)); | |||
3919 | if (tempGrab == NULL((void*)0)) | |||
3920 | return NULL((void*)0); | |||
3921 | ||||
3922 | /* Fill out the grab details, but leave the type for later before | |||
3923 | * comparing */ | |||
3924 | switch (event->any.type) { | |||
3925 | case ET_KeyPress: | |||
3926 | case ET_KeyRelease: | |||
3927 | tempGrab->detail.exact = event->device_event.detail.key; | |||
3928 | break; | |||
3929 | case ET_ButtonPress: | |||
3930 | case ET_ButtonRelease: | |||
3931 | case ET_TouchBegin: | |||
3932 | case ET_TouchEnd: | |||
3933 | tempGrab->detail.exact = event->device_event.detail.button; | |||
3934 | break; | |||
3935 | default: | |||
3936 | tempGrab->detail.exact = 0; | |||
3937 | break; | |||
3938 | } | |||
3939 | tempGrab->window = pWin; | |||
3940 | tempGrab->device = device; | |||
3941 | tempGrab->detail.pMask = NULL((void*)0); | |||
3942 | tempGrab->modifiersDetail.pMask = NULL((void*)0); | |||
3943 | tempGrab->next = NULL((void*)0); | |||
3944 | ||||
3945 | for (; grab; grab = grab->next) { | |||
3946 | if (!CheckPassiveGrab(device, grab, event, checkCore, tempGrab)) | |||
3947 | continue; | |||
3948 | ||||
3949 | if (activate && !ActivatePassiveGrab(device, grab, event, event)) | |||
3950 | continue; | |||
3951 | ||||
3952 | break; | |||
3953 | } | |||
3954 | ||||
3955 | FreeGrab(tempGrab); | |||
3956 | return grab; | |||
3957 | } | |||
3958 | ||||
3959 | /** | |||
3960 | * CheckDeviceGrabs handles both keyboard and pointer events that may cause | |||
3961 | * a passive grab to be activated. | |||
3962 | * | |||
3963 | * If the event is a keyboard event, the ancestors of the focus window are | |||
3964 | * traced down and tried to see if they have any passive grabs to be | |||
3965 | * activated. If the focus window itself is reached and it's descendants | |||
3966 | * contain the pointer, the ancestors of the window that the pointer is in | |||
3967 | * are then traced down starting at the focus window, otherwise no grabs are | |||
3968 | * activated. | |||
3969 | * If the event is a pointer event, the ancestors of the window that the | |||
3970 | * pointer is in are traced down starting at the root until CheckPassiveGrabs | |||
3971 | * causes a passive grab to activate or all the windows are | |||
3972 | * tried. PRH | |||
3973 | * | |||
3974 | * If a grab is activated, the event has been sent to the client already! | |||
3975 | * | |||
3976 | * The event we pass in must always be an XI event. From this, we then emulate | |||
3977 | * the core event and then check for grabs. | |||
3978 | * | |||
3979 | * @param device The device that caused the event. | |||
3980 | * @param xE The event to handle (Device{Button|Key}Press). | |||
3981 | * @param count Number of events in list. | |||
3982 | * @return TRUE if a grab has been activated or false otherwise. | |||
3983 | */ | |||
3984 | ||||
3985 | Bool | |||
3986 | CheckDeviceGrabs(DeviceIntPtr device, DeviceEvent *event, WindowPtr ancestor) | |||
3987 | { | |||
3988 | int i; | |||
3989 | WindowPtr pWin = NULL((void*)0); | |||
3990 | FocusClassPtr focus = | |||
3991 | IsPointerEvent((InternalEvent *) event) ? NULL((void*)0) : device->focus; | |||
3992 | BOOL sendCore = (IsMaster(device) && device->coreEvents); | |||
3993 | Bool ret = FALSE0; | |||
3994 | ||||
3995 | if (event->type != ET_ButtonPress && event->type != ET_KeyPress) | |||
3996 | return FALSE0; | |||
3997 | ||||
3998 | if (event->type == ET_ButtonPress && (device->button->buttonsDown != 1)) | |||
3999 | return FALSE0; | |||
4000 | ||||
4001 | if (device->deviceGrab.grab) | |||
4002 | return FALSE0; | |||
4003 | ||||
4004 | i = 0; | |||
4005 | if (ancestor) { | |||
4006 | while (i < device->spriteInfo->sprite->spriteTraceGood) | |||
4007 | if (device->spriteInfo->sprite->spriteTrace[i++] == ancestor) | |||
4008 | break; | |||
4009 | if (i == device->spriteInfo->sprite->spriteTraceGood) | |||
4010 | goto out; | |||
4011 | } | |||
4012 | ||||
4013 | if (focus) { | |||
4014 | for (; i < focus->traceGood; i++) { | |||
4015 | pWin = focus->trace[i]; | |||
4016 | if (CheckPassiveGrabsOnWindow(pWin, device, (InternalEvent *) event, | |||
4017 | sendCore, TRUE1)) { | |||
4018 | ret = TRUE1; | |||
4019 | goto out; | |||
4020 | } | |||
4021 | } | |||
4022 | ||||
4023 | if ((focus->win == NoneWin((WindowPtr)0L)) || | |||
4024 | (i >= device->spriteInfo->sprite->spriteTraceGood) || | |||
4025 | (pWin && pWin != device->spriteInfo->sprite->spriteTrace[i - 1])) | |||
4026 | goto out; | |||
4027 | } | |||
4028 | ||||
4029 | for (; i < device->spriteInfo->sprite->spriteTraceGood; i++) { | |||
4030 | pWin = device->spriteInfo->sprite->spriteTrace[i]; | |||
4031 | if (CheckPassiveGrabsOnWindow(pWin, device, (InternalEvent *) event, | |||
4032 | sendCore, TRUE1)) { | |||
4033 | ret = TRUE1; | |||
4034 | goto out; | |||
4035 | } | |||
4036 | } | |||
4037 | ||||
4038 | out: | |||
4039 | if (ret == TRUE1 && event->type == ET_KeyPress) | |||
4040 | device->deviceGrab.activatingKey = event->detail.key; | |||
4041 | return ret; | |||
4042 | } | |||
4043 | ||||
4044 | /** | |||
4045 | * Called for keyboard events to deliver event to whatever client owns the | |||
4046 | * focus. | |||
4047 | * | |||
4048 | * The event is delivered to the keyboard's focus window, the root window or | |||
4049 | * to the window owning the input focus. | |||
4050 | * | |||
4051 | * @param keybd The keyboard originating the event. | |||
4052 | * @param event The event, not yet in wire format. | |||
4053 | * @param window Window underneath the sprite. | |||
4054 | */ | |||
4055 | void | |||
4056 | DeliverFocusedEvent(DeviceIntPtr keybd, InternalEvent *event, WindowPtr window) | |||
4057 | { | |||
4058 | DeviceIntPtr ptr; | |||
4059 | WindowPtr focus = keybd->focus->win; | |||
4060 | BOOL sendCore = (IsMaster(keybd) && keybd->coreEvents); | |||
4061 | xEvent *core = NULL((void*)0), *xE = NULL((void*)0), *xi2 = NULL((void*)0); | |||
4062 | int count, rc; | |||
4063 | int deliveries = 0; | |||
4064 | ||||
4065 | if (focus == FollowKeyboardWin((WindowPtr) 3)) | |||
4066 | focus = inputInfo.keyboard->focus->win; | |||
4067 | if (!focus) | |||
4068 | return; | |||
4069 | if (focus == PointerRootWin((WindowPtr)1L)) { | |||
4070 | DeliverDeviceEvents(window, event, NullGrab((GrabPtr)((void*)0)), NullWindow((WindowPtr) 0), keybd); | |||
4071 | return; | |||
4072 | } | |||
4073 | if ((focus == window) || IsParent(focus, window)) { | |||
4074 | if (DeliverDeviceEvents(window, event, NullGrab((GrabPtr)((void*)0)), focus, keybd)) | |||
4075 | return; | |||
4076 | } | |||
4077 | ||||
4078 | /* just deliver it to the focus window */ | |||
4079 | ptr = GetMaster(keybd, POINTER_OR_FLOAT6); | |||
4080 | ||||
4081 | rc = EventToXI2(event, &xi2); | |||
4082 | if (rc == Success0) { | |||
4083 | /* XXX: XACE */ | |||
4084 | int filter = GetEventFilter(keybd, xi2); | |||
4085 | ||||
4086 | FixUpEventFromWindow(ptr->spriteInfo->sprite, xi2, focus, None0L, FALSE0); | |||
4087 | deliveries = DeliverEventsToWindow(keybd, focus, xi2, 1, | |||
4088 | filter, NullGrab((GrabPtr)((void*)0))); | |||
4089 | if (deliveries > 0) | |||
4090 | goto unwind; | |||
4091 | } | |||
4092 | else if (rc != BadMatch8) | |||
4093 | ErrorF | |||
4094 | ("[dix] %s: XI2 conversion failed in DFE (%d, %d). Skipping delivery.\n", | |||
4095 | keybd->name, event->any.type, rc); | |||
4096 | ||||
4097 | rc = EventToXI(event, &xE, &count); | |||
4098 | if (rc == Success0 && | |||
4099 | XaceHook(XACE_SEND_ACCESS5, NULL((void*)0), keybd, focus, xE, count) == Success0) { | |||
4100 | FixUpEventFromWindow(ptr->spriteInfo->sprite, xE, focus, None0L, FALSE0); | |||
4101 | deliveries = DeliverEventsToWindow(keybd, focus, xE, count, | |||
4102 | GetEventFilter(keybd, xE), NullGrab((GrabPtr)((void*)0))); | |||
4103 | ||||
4104 | if (deliveries > 0) | |||
4105 | goto unwind; | |||
4106 | } | |||
4107 | else if (rc != BadMatch8) | |||
4108 | ErrorF | |||
4109 | ("[dix] %s: XI conversion failed in DFE (%d, %d). Skipping delivery.\n", | |||
4110 | keybd->name, event->any.type, rc); | |||
4111 | ||||
4112 | if (sendCore) { | |||
4113 | rc = EventToCore(event, &core, &count); | |||
4114 | if (rc == Success0) { | |||
4115 | if (XaceHook(XACE_SEND_ACCESS5, NULL((void*)0), keybd, focus, core, count) == | |||
4116 | Success0) { | |||
4117 | FixUpEventFromWindow(keybd->spriteInfo->sprite, core, focus, | |||
4118 | None0L, FALSE0); | |||
4119 | deliveries = | |||
4120 | DeliverEventsToWindow(keybd, focus, core, count, | |||
4121 | GetEventFilter(keybd, core), | |||
4122 | NullGrab((GrabPtr)((void*)0))); | |||
4123 | } | |||
4124 | } | |||
4125 | else if (rc != BadMatch8) | |||
4126 | ErrorF | |||
4127 | ("[dix] %s: core conversion failed DFE (%d, %d). Skipping delivery.\n", | |||
4128 | keybd->name, event->any.type, rc); | |||
4129 | } | |||
4130 | ||||
4131 | unwind: | |||
4132 | free(core); | |||
4133 | free(xE); | |||
4134 | free(xi2); | |||
4135 | return; | |||
4136 | } | |||
4137 | ||||
4138 | int | |||
4139 | DeliverOneGrabbedEvent(InternalEvent *event, DeviceIntPtr dev, | |||
4140 | enum InputLevel level) | |||
4141 | { | |||
4142 | SpritePtr pSprite = dev->spriteInfo->sprite; | |||
4143 | int rc; | |||
4144 | xEvent *xE = NULL((void*)0); | |||
4145 | int count = 0; | |||
4146 | int deliveries = 0; | |||
4147 | Mask mask; | |||
4148 | GrabInfoPtr grabinfo = &dev->deviceGrab; | |||
4149 | GrabPtr grab = grabinfo->grab; | |||
4150 | Mask filter; | |||
4151 | ||||
4152 | if (grab->grabtype != level) | |||
4153 | return 0; | |||
4154 | ||||
4155 | switch (level) { | |||
4156 | case XI2: | |||
4157 | rc = EventToXI2(event, &xE); | |||
4158 | count = 1; | |||
4159 | if (rc == Success0) { | |||
4160 | int evtype = xi2_get_type(xE); | |||
4161 | ||||
4162 | mask = GetXI2MaskByte(grab->xi2mask, dev, evtype); | |||
4163 | filter = GetEventFilter(dev, xE); | |||
4164 | } | |||
4165 | break; | |||
4166 | case XI: | |||
4167 | if (grabinfo->fromPassiveGrab && grabinfo->implicitGrab) | |||
4168 | mask = grab->deviceMask; | |||
4169 | else | |||
4170 | mask = grab->eventMask; | |||
4171 | rc = EventToXI(event, &xE, &count); | |||
4172 | if (rc == Success0) | |||
4173 | filter = GetEventFilter(dev, xE); | |||
4174 | break; | |||
4175 | case CORE: | |||
4176 | rc = EventToCore(event, &xE, &count); | |||
4177 | mask = grab->eventMask; | |||
4178 | if (rc == Success0) | |||
4179 | filter = GetEventFilter(dev, xE); | |||
4180 | break; | |||
4181 | default: | |||
4182 | BUG_WARN_MSG(1, "Invalid input level %d\n", level)do { if (1) { ErrorFSigSafe("BUG: triggered 'if (" "1" ")'\n" ); ErrorFSigSafe("BUG: %s:%u in %s()\n", "events.c", 4182, __func__ ); if (1) ErrorFSigSafe("Invalid input level %d\n", level); xorg_backtrace (); } } while(0); | |||
4183 | return 0; | |||
4184 | } | |||
4185 | ||||
4186 | if (rc == Success0) { | |||
4187 | FixUpEventFromWindow(pSprite, xE, grab->window, None0L, TRUE1); | |||
4188 | if (XaceHook(XACE_SEND_ACCESS5, 0, dev, | |||
4189 | grab->window, xE, count) || | |||
4190 | XaceHook(XACE_RECEIVE_ACCESS6, rClient(grab)(clients[((int)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), | |||
4191 | grab->window, xE, count)) | |||
4192 | deliveries = 1; /* don't send, but pretend we did */ | |||
4193 | else if (level != CORE || !IsInterferingGrab(rClient(grab)(clients[((int)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), dev, xE)) { | |||
4194 | deliveries = TryClientEvents(rClient(grab)(clients[((int)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), dev, | |||
4195 | xE, count, mask, filter, grab); | |||
4196 | } | |||
4197 | } | |||
4198 | else | |||
4199 | BUG_WARN_MSG(rc != BadMatch,do { if (rc != 8) { ErrorFSigSafe("BUG: triggered 'if (" "rc != 8" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "events.c", 4201 , __func__); if (1) ErrorFSigSafe("%s: conversion to mode %d failed on %d with %d\n" , dev->name, level, event->any.type, rc); xorg_backtrace (); } } while(0) | |||
4200 | "%s: conversion to mode %d failed on %d with %d\n",do { if (rc != 8) { ErrorFSigSafe("BUG: triggered 'if (" "rc != 8" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "events.c", 4201 , __func__); if (1) ErrorFSigSafe("%s: conversion to mode %d failed on %d with %d\n" , dev->name, level, event->any.type, rc); xorg_backtrace (); } } while(0) | |||
4201 | dev->name, level, event->any.type, rc)do { if (rc != 8) { ErrorFSigSafe("BUG: triggered 'if (" "rc != 8" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "events.c", 4201 , __func__); if (1) ErrorFSigSafe("%s: conversion to mode %d failed on %d with %d\n" , dev->name, level, event->any.type, rc); xorg_backtrace (); } } while(0); | |||
4202 | ||||
4203 | free(xE); | |||
4204 | return deliveries; | |||
4205 | } | |||
4206 | ||||
4207 | /** | |||
4208 | * Deliver an event from a device that is currently grabbed. Uses | |||
4209 | * DeliverDeviceEvents() for further delivery if a ownerEvents is set on the | |||
4210 | * grab. If not, TryClientEvents() is used. | |||
4211 | * | |||
4212 | * @param deactivateGrab True if the device's grab should be deactivated. | |||
4213 | * | |||
4214 | * @return The number of events delivered. | |||
4215 | */ | |||
4216 | int | |||
4217 | DeliverGrabbedEvent(InternalEvent *event, DeviceIntPtr thisDev, | |||
4218 | Bool deactivateGrab) | |||
4219 | { | |||
4220 | GrabPtr grab; | |||
4221 | GrabInfoPtr grabinfo; | |||
4222 | int deliveries = 0; | |||
4223 | DeviceIntPtr dev; | |||
4224 | SpritePtr pSprite = thisDev->spriteInfo->sprite; | |||
4225 | BOOL sendCore = FALSE0; | |||
4226 | ||||
4227 | grabinfo = &thisDev->deviceGrab; | |||
4228 | grab = grabinfo->grab; | |||
4229 | ||||
4230 | if (grab->ownerEvents) { | |||
4231 | WindowPtr focus; | |||
4232 | ||||
4233 | /* Hack: Some pointer device have a focus class. So we need to check | |||
4234 | * for the type of event, to see if we really want to deliver it to | |||
4235 | * the focus window. For pointer events, the answer is no. | |||
4236 | */ | |||
4237 | if (IsPointerEvent(event)) | |||
4238 | focus = PointerRootWin((WindowPtr)1L); | |||
4239 | else if (thisDev->focus) { | |||
4240 | focus = thisDev->focus->win; | |||
4241 | if (focus == FollowKeyboardWin((WindowPtr) 3)) | |||
4242 | focus = inputInfo.keyboard->focus->win; | |||
4243 | } | |||
4244 | else | |||
4245 | focus = PointerRootWin((WindowPtr)1L); | |||
4246 | if (focus == PointerRootWin((WindowPtr)1L)) | |||
4247 | deliveries = DeliverDeviceEvents(pSprite->win, event, grab, | |||
4248 | NullWindow((WindowPtr) 0), thisDev); | |||
4249 | else if (focus && (focus == pSprite->win || | |||
4250 | IsParent(focus, pSprite->win))) | |||
4251 | deliveries = DeliverDeviceEvents(pSprite->win, event, grab, focus, | |||
4252 | thisDev); | |||
4253 | else if (focus) | |||
4254 | deliveries = DeliverDeviceEvents(focus, event, grab, focus, | |||
4255 | thisDev); | |||
4256 | } | |||
4257 | if (!deliveries) { | |||
4258 | sendCore = (IsMaster(thisDev) && thisDev->coreEvents); | |||
4259 | /* try core event */ | |||
4260 | if ((sendCore && grab->grabtype == CORE) || grab->grabtype != CORE) | |||
4261 | deliveries = DeliverOneGrabbedEvent(event, thisDev, grab->grabtype); | |||
4262 | ||||
4263 | if (deliveries && (event->any.type == ET_Motion)) | |||
4264 | thisDev->valuator->motionHintWindow = grab->window; | |||
4265 | } | |||
4266 | if (deliveries && !deactivateGrab && | |||
4267 | (event->any.type == ET_KeyPress || | |||
4268 | event->any.type == ET_KeyRelease || | |||
4269 | event->any.type == ET_ButtonPress || | |||
4270 | event->any.type == ET_ButtonRelease)) { | |||
4271 | switch (grabinfo->sync.state) { | |||
4272 | case FREEZE_BOTH_NEXT_EVENT4: | |||
4273 | dev = GetPairedDevice(thisDev); | |||
4274 | if (dev) { | |||
4275 | FreezeThaw(dev, TRUE1); | |||
4276 | if ((dev->deviceGrab.sync.state == FREEZE_BOTH_NEXT_EVENT4) && | |||
4277 | (CLIENT_BITS(grab->resource)((grab->resource) & (((1 << ResourceClientBits() ) - 1) << (29 - ResourceClientBits()))) == | |||
4278 | CLIENT_BITS(dev->deviceGrab.grab->resource)((dev->deviceGrab.grab->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))))) | |||
4279 | dev->deviceGrab.sync.state = FROZEN_NO_EVENT5; | |||
4280 | else | |||
4281 | dev->deviceGrab.sync.other = grab; | |||
4282 | } | |||
4283 | /* fall through */ | |||
4284 | case FREEZE_NEXT_EVENT3: | |||
4285 | grabinfo->sync.state = FROZEN_WITH_EVENT6; | |||
4286 | FreezeThaw(thisDev, TRUE1); | |||
4287 | *grabinfo->sync.event = event->device_event; | |||
4288 | break; | |||
4289 | } | |||
4290 | } | |||
4291 | ||||
4292 | return deliveries; | |||
4293 | } | |||
4294 | ||||
4295 | /* This function is used to set the key pressed or key released state - | |||
4296 | this is only used when the pressing of keys does not cause | |||
4297 | the device's processInputProc to be called, as in for example Mouse Keys. | |||
4298 | */ | |||
4299 | void | |||
4300 | FixKeyState(DeviceEvent *event, DeviceIntPtr keybd) | |||
4301 | { | |||
4302 | int key = event->detail.key; | |||
4303 | ||||
4304 | if (event->type == ET_KeyPress) { | |||
4305 | DebugF("FixKeyState: Key %d %s\n", key, | |||
4306 | ((event->type == ET_KeyPress) ? "down" : "up")); | |||
4307 | } | |||
4308 | ||||
4309 | if (event->type == ET_KeyPress) | |||
4310 | set_key_down(keybd, key, KEY_PROCESSED1); | |||
4311 | else if (event->type == ET_KeyRelease) | |||
4312 | set_key_up(keybd, key, KEY_PROCESSED1); | |||
4313 | else | |||
4314 | FatalError("Impossible keyboard event"); | |||
4315 | } | |||
4316 | ||||
4317 | #define AtMostOneClient((1L<<20) | (1L<<18) | (1L<<2)) \ | |||
4318 | (SubstructureRedirectMask(1L<<20) | ResizeRedirectMask(1L<<18) | ButtonPressMask(1L<<2)) | |||
4319 | #define ManagerMask((1L<<20) | (1L<<18)) \ | |||
4320 | (SubstructureRedirectMask(1L<<20) | ResizeRedirectMask(1L<<18)) | |||
4321 | ||||
4322 | /** | |||
4323 | * Recalculate which events may be deliverable for the given window. | |||
4324 | * Recalculated mask is used for quicker determination which events may be | |||
4325 | * delivered to a window. | |||
4326 | * | |||
4327 | * The otherEventMasks on a WindowOptional is the combination of all event | |||
4328 | * masks set by all clients on the window. | |||
4329 | * deliverableEventMask is the combination of the eventMask and the | |||
4330 | * otherEventMask plus the events that may be propagated to the parent. | |||
4331 | * | |||
4332 | * Traverses to siblings and parents of the window. | |||
4333 | */ | |||
4334 | void | |||
4335 | RecalculateDeliverableEvents(WindowPtr pWin) | |||
4336 | { | |||
4337 | OtherClients *others; | |||
4338 | WindowPtr pChild; | |||
4339 | ||||
4340 | pChild = pWin; | |||
4341 | while (1) { | |||
4342 | if (pChild->optional) { | |||
4343 | pChild->optional->otherEventMasks = 0; | |||
4344 | for (others = wOtherClients(pChild)((pChild)->optional ? (pChild)->optional->otherClients : ((void*)0)); others; others = others->next) { | |||
4345 | pChild->optional->otherEventMasks |= others->mask; | |||
4346 | } | |||
4347 | } | |||
4348 | pChild->deliverableEvents = pChild->eventMask | | |||
4349 | wOtherEventMasks(pChild)((pChild)->optional ? (pChild)->optional->otherEventMasks : 0); | |||
4350 | if (pChild->parent) | |||
4351 | pChild->deliverableEvents |= | |||
4352 | (pChild->parent->deliverableEvents & | |||
4353 | ~wDontPropagateMask(pChild)((pChild)->optional ? (pChild)->optional->dontPropagateMask : DontPropagateMasks[(pChild)->dontPropagate]) & PropagateMask( (1L<<0) | (1L<<1) | (1L<<2) | (1L<< 3) | ( (1L<<6) | (1L<<8) | (1L<<9) | (1L<< 10) | (1L<<11) | (1L<<12) | (1L<<13) ) )); | |||
4354 | if (pChild->firstChild) { | |||
4355 | pChild = pChild->firstChild; | |||
4356 | continue; | |||
4357 | } | |||
4358 | while (!pChild->nextSib && (pChild != pWin)) | |||
4359 | pChild = pChild->parent; | |||
4360 | if (pChild == pWin) | |||
4361 | break; | |||
4362 | pChild = pChild->nextSib; | |||
4363 | } | |||
4364 | } | |||
4365 | ||||
4366 | /** | |||
4367 | * | |||
4368 | * \param value must conform to DeleteType | |||
4369 | */ | |||
4370 | int | |||
4371 | OtherClientGone(void *value, XID id) | |||
4372 | { | |||
4373 | OtherClientsPtr other, prev; | |||
4374 | WindowPtr pWin = (WindowPtr) value; | |||
4375 | ||||
4376 | prev = 0; | |||
4377 | for (other = wOtherClients(pWin)((pWin)->optional ? (pWin)->optional->otherClients : ((void*)0)); other; other = other->next) { | |||
4378 | if (other->resource == id) { | |||
4379 | if (prev) | |||
4380 | prev->next = other->next; | |||
4381 | else { | |||
4382 | if (!(pWin->optional->otherClients = other->next)) | |||
4383 | CheckWindowOptionalNeed(pWin); | |||
4384 | } | |||
4385 | free(other); | |||
4386 | RecalculateDeliverableEvents(pWin); | |||
4387 | return Success0; | |||
4388 | } | |||
4389 | prev = other; | |||
4390 | } | |||
4391 | FatalError("client not on event list"); | |||
4392 | } | |||
4393 | ||||
4394 | int | |||
4395 | EventSelectForWindow(WindowPtr pWin, ClientPtr client, Mask mask) | |||
4396 | { | |||
4397 | Mask check; | |||
4398 | OtherClients *others; | |||
4399 | DeviceIntPtr dev; | |||
4400 | int rc; | |||
4401 | ||||
4402 | if (mask & ~AllEventMasks((1L<<24)|((1L<<24)-1))) { | |||
4403 | client->errorValue = mask; | |||
4404 | return BadValue2; | |||
4405 | } | |||
4406 | check = (mask & ManagerMask((1L<<20) | (1L<<18))); | |||
4407 | if (check) { | |||
4408 | rc = XaceHook(XACE_RESOURCE_ACCESS2, client, pWin->drawable.id, | |||
4409 | RT_WINDOW((RESTYPE)1|((RESTYPE)1<<30)), pWin, RT_NONE((RESTYPE)0), NULL((void*)0), DixManageAccess(1<<25)); | |||
4410 | if (rc != Success0) | |||
4411 | return rc; | |||
4412 | } | |||
4413 | check = (mask & AtMostOneClient((1L<<20) | (1L<<18) | (1L<<2))); | |||
4414 | if (check & (pWin->eventMask | wOtherEventMasks(pWin)((pWin)->optional ? (pWin)->optional->otherEventMasks : 0))) { | |||
4415 | /* It is illegal for two different clients to select on any of the | |||
4416 | events for AtMostOneClient. However, it is OK, for some client to | |||
4417 | continue selecting on one of those events. */ | |||
4418 | if ((wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]) != client) && (check & pWin->eventMask)) | |||
4419 | return BadAccess10; | |||
4420 | for (others = wOtherClients(pWin)((pWin)->optional ? (pWin)->optional->otherClients : ((void*)0)); others; others = others->next) { | |||
4421 | if (!SameClient(others, client)((((others)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask) && (check & others->mask)) | |||
4422 | return BadAccess10; | |||
4423 | } | |||
4424 | } | |||
4425 | if (wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]) == client) { | |||
4426 | check = pWin->eventMask; | |||
4427 | pWin->eventMask = mask; | |||
4428 | } | |||
4429 | else { | |||
4430 | for (others = wOtherClients(pWin)((pWin)->optional ? (pWin)->optional->otherClients : ((void*)0)); others; others = others->next) { | |||
4431 | if (SameClient(others, client)((((others)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) { | |||
4432 | check = others->mask; | |||
4433 | if (mask == 0) { | |||
4434 | FreeResource(others->resource, RT_NONE((RESTYPE)0)); | |||
4435 | return Success0; | |||
4436 | } | |||
4437 | else | |||
4438 | others->mask = mask; | |||
4439 | goto maskSet; | |||
4440 | } | |||
4441 | } | |||
4442 | check = 0; | |||
4443 | if (!pWin->optional && !MakeWindowOptional(pWin)) | |||
4444 | return BadAlloc11; | |||
4445 | others = malloc(sizeof(OtherClients)); | |||
4446 | if (!others) | |||
4447 | return BadAlloc11; | |||
4448 | others->mask = mask; | |||
4449 | others->resource = FakeClientID(client->index); | |||
4450 | others->next = pWin->optional->otherClients; | |||
4451 | pWin->optional->otherClients = others; | |||
4452 | if (!AddResourceDarwin_X_AddResource(others->resource, RT_OTHERCLIENT((RESTYPE)8|((RESTYPE)1<<29)), (void *) pWin)) | |||
4453 | return BadAlloc11; | |||
4454 | } | |||
4455 | maskSet: | |||
4456 | if ((mask & PointerMotionHintMask(1L<<7)) && !(check & PointerMotionHintMask(1L<<7))) { | |||
4457 | for (dev = inputInfo.devices; dev; dev = dev->next) { | |||
4458 | if (dev->valuator && dev->valuator->motionHintWindow == pWin) | |||
4459 | dev->valuator->motionHintWindow = NullWindow((WindowPtr) 0); | |||
4460 | } | |||
4461 | } | |||
4462 | RecalculateDeliverableEvents(pWin); | |||
4463 | return Success0; | |||
4464 | } | |||
4465 | ||||
4466 | int | |||
4467 | EventSuppressForWindow(WindowPtr pWin, ClientPtr client, | |||
4468 | Mask mask, Bool *checkOptional) | |||
4469 | { | |||
4470 | int i, freed; | |||
4471 | ||||
4472 | if (mask & ~PropagateMask( (1L<<0) | (1L<<1) | (1L<<2) | (1L<< 3) | ( (1L<<6) | (1L<<8) | (1L<<9) | (1L<< 10) | (1L<<11) | (1L<<12) | (1L<<13) ) )) { | |||
4473 | client->errorValue = mask; | |||
4474 | return BadValue2; | |||
4475 | } | |||
4476 | if (pWin->dontPropagate) | |||
4477 | DontPropagateRefCnts[pWin->dontPropagate]--; | |||
4478 | if (!mask) | |||
4479 | i = 0; | |||
4480 | else { | |||
4481 | for (i = DNPMCOUNT8, freed = 0; --i > 0;) { | |||
4482 | if (!DontPropagateRefCnts[i]) | |||
4483 | freed = i; | |||
4484 | else if (mask == DontPropagateMasks[i]) | |||
4485 | break; | |||
4486 | } | |||
4487 | if (!i && freed) { | |||
4488 | i = freed; | |||
4489 | DontPropagateMasks[i] = mask; | |||
4490 | } | |||
4491 | } | |||
4492 | if (i || !mask) { | |||
4493 | pWin->dontPropagate = i; | |||
4494 | if (i) | |||
4495 | DontPropagateRefCnts[i]++; | |||
4496 | if (pWin->optional) { | |||
4497 | pWin->optional->dontPropagateMask = mask; | |||
4498 | *checkOptional = TRUE1; | |||
4499 | } | |||
4500 | } | |||
4501 | else { | |||
4502 | if (!pWin->optional && !MakeWindowOptional(pWin)) { | |||
4503 | if (pWin->dontPropagate) | |||
4504 | DontPropagateRefCnts[pWin->dontPropagate]++; | |||
4505 | return BadAlloc11; | |||
4506 | } | |||
4507 | pWin->dontPropagate = 0; | |||
4508 | pWin->optional->dontPropagateMask = mask; | |||
4509 | } | |||
4510 | RecalculateDeliverableEvents(pWin); | |||
4511 | return Success0; | |||
4512 | } | |||
4513 | ||||
4514 | /** | |||
4515 | * Assembles an EnterNotify or LeaveNotify and sends it event to the client. | |||
4516 | * Uses the paired keyboard to get some additional information. | |||
4517 | */ | |||
4518 | void | |||
4519 | CoreEnterLeaveEvent(DeviceIntPtr mouse, | |||
4520 | int type, | |||
4521 | int mode, int detail, WindowPtr pWin, Window child) | |||
4522 | { | |||
4523 | xEvent event = { | |||
4524 | .u.u.type = type, | |||
4525 | .u.u.detail = detail | |||
4526 | }; | |||
4527 | WindowPtr focus; | |||
4528 | DeviceIntPtr keybd; | |||
4529 | GrabPtr grab = mouse->deviceGrab.grab; | |||
4530 | Mask mask; | |||
4531 | ||||
4532 | keybd = GetMaster(mouse, KEYBOARD_OR_FLOAT5); | |||
4533 | ||||
4534 | if ((pWin == mouse->valuator->motionHintWindow) && | |||
4535 | (detail != NotifyInferior2)) | |||
4536 | mouse->valuator->motionHintWindow = NullWindow((WindowPtr) 0); | |||
4537 | if (grab) { | |||
4538 | mask = (pWin == grab->window) ? grab->eventMask : 0; | |||
4539 | if (grab->ownerEvents) | |||
4540 | mask |= EventMaskForClient(pWin, rClient(grab)(clients[((int)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))])); | |||
4541 | } | |||
4542 | else { | |||
4543 | mask = pWin->eventMask | wOtherEventMasks(pWin)((pWin)->optional ? (pWin)->optional->otherEventMasks : 0); | |||
4544 | } | |||
4545 | ||||
4546 | event.u.enterLeave.time = currentTime.milliseconds; | |||
4547 | event.u.enterLeave.rootX = mouse->spriteInfo->sprite->hot.x; | |||
4548 | event.u.enterLeave.rootY = mouse->spriteInfo->sprite->hot.y; | |||
4549 | /* Counts on the same initial structure of crossing & button events! */ | |||
4550 | FixUpEventFromWindow(mouse->spriteInfo->sprite, &event, pWin, None0L, FALSE0); | |||
4551 | /* Enter/Leave events always set child */ | |||
4552 | event.u.enterLeave.child = child; | |||
4553 | event.u.enterLeave.flags = event.u.keyButtonPointer.sameScreen ? | |||
4554 | ELFlagSameScreen(1<<1) : 0; | |||
4555 | event.u.enterLeave.state = | |||
4556 | mouse->button ? (mouse->button->state & 0x1f00) : 0; | |||
4557 | if (keybd) | |||
4558 | event.u.enterLeave.state |= | |||
4559 | XkbGrabStateFromRec(&keybd->key->xkbInfo->state)(((((&keybd->key->xkbInfo->state)->group)& 0x3)<<13)|(((&keybd->key->xkbInfo->state)-> grab_mods)&0xff)); | |||
4560 | event.u.enterLeave.mode = mode; | |||
4561 | focus = (keybd) ? keybd->focus->win : None0L; | |||
4562 | if ((focus != NoneWin((WindowPtr)0L)) && | |||
4563 | ((pWin == focus) || (focus == PointerRootWin((WindowPtr)1L)) || IsParent(focus, pWin))) | |||
4564 | event.u.enterLeave.flags |= ELFlagFocus(1<<0); | |||
4565 | ||||
4566 | if ((mask & GetEventFilter(mouse, &event))) { | |||
4567 | if (grab) | |||
4568 | TryClientEvents(rClient(grab)(clients[((int)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), mouse, &event, 1, mask, | |||
4569 | GetEventFilter(mouse, &event), grab); | |||
4570 | else | |||
4571 | DeliverEventsToWindow(mouse, pWin, &event, 1, | |||
4572 | GetEventFilter(mouse, &event), NullGrab((GrabPtr)((void*)0))); | |||
4573 | } | |||
4574 | ||||
4575 | if ((type == EnterNotify7) && (mask & KeymapStateMask(1L<<14))) { | |||
4576 | xKeymapEvent ke = { | |||
4577 | .type = KeymapNotify11 | |||
4578 | }; | |||
4579 | ClientPtr client = grab ? rClient(grab)(clients[((int)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]) : wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]); | |||
4580 | int rc; | |||
4581 | ||||
4582 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, keybd, DixReadAccess(1<<0)); | |||
4583 | if (rc == Success0) | |||
4584 | memcpy((char *) &ke.map[0], (char *) &keybd->key->down[1], 31)__builtin___memcpy_chk ((char *) &ke.map[0], (char *) & keybd->key->down[1], 31, __builtin_object_size ((char * ) &ke.map[0], 0)); | |||
4585 | ||||
4586 | if (grab) | |||
4587 | TryClientEvents(rClient(grab)(clients[((int)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), keybd, (xEvent *) &ke, 1, | |||
4588 | mask, KeymapStateMask(1L<<14), grab); | |||
4589 | else | |||
4590 | DeliverEventsToWindow(mouse, pWin, (xEvent *) &ke, 1, | |||
4591 | KeymapStateMask(1L<<14), NullGrab((GrabPtr)((void*)0))); | |||
4592 | } | |||
4593 | } | |||
4594 | ||||
4595 | void | |||
4596 | DeviceEnterLeaveEvent(DeviceIntPtr mouse, | |||
4597 | int sourceid, | |||
4598 | int type, | |||
4599 | int mode, int detail, WindowPtr pWin, Window child) | |||
4600 | { | |||
4601 | GrabPtr grab = mouse->deviceGrab.grab; | |||
4602 | xXIEnterEvent *event; | |||
4603 | WindowPtr focus; | |||
4604 | int filter; | |||
4605 | int btlen, len, i; | |||
4606 | DeviceIntPtr kbd; | |||
4607 | ||||
4608 | if ((mode == XINotifyPassiveGrab4 && type == XI_Leave8) || | |||
4609 | (mode == XINotifyPassiveUngrab5 && type == XI_Enter7)) | |||
4610 | return; | |||
4611 | ||||
4612 | btlen = (mouse->button) ? bits_to_bytes(mouse->button->numButtons) : 0; | |||
4613 | btlen = bytes_to_int32(btlen); | |||
4614 | len = sizeof(xXIEnterEvent) + btlen * 4; | |||
4615 | ||||
4616 | event = calloc(1, len); | |||
4617 | event->type = GenericEvent35; | |||
4618 | event->extension = IReqCode; | |||
4619 | event->evtype = type; | |||
4620 | event->length = (len - sizeof(xEvent)) / 4; | |||
4621 | event->buttons_len = btlen; | |||
4622 | event->detail = detail; | |||
4623 | event->time = currentTime.milliseconds; | |||
4624 | event->deviceid = mouse->id; | |||
4625 | event->sourceid = sourceid; | |||
4626 | event->mode = mode; | |||
4627 | event->root_x = double_to_fp1616(mouse->spriteInfo->sprite->hot.x); | |||
4628 | event->root_y = double_to_fp1616(mouse->spriteInfo->sprite->hot.y); | |||
4629 | ||||
4630 | for (i = 0; mouse && mouse->button && i < mouse->button->numButtons; i++) | |||
4631 | if (BitIsOn(mouse->button->down, i)(!!(((const BYTE *) (mouse->button->down))[(i)>>3 ] & (1 << ((i) & 7))))) | |||
4632 | SetBit(&event[1], i)(((BYTE *) (&event[1]))[(i)>>3] |= (1 << ((i) & 7))); | |||
4633 | ||||
4634 | kbd = GetMaster(mouse, MASTER_KEYBOARD2); | |||
4635 | if (kbd && kbd->key) { | |||
4636 | event->mods.base_mods = kbd->key->xkbInfo->state.base_mods; | |||
4637 | event->mods.latched_mods = kbd->key->xkbInfo->state.latched_mods; | |||
4638 | event->mods.locked_mods = kbd->key->xkbInfo->state.locked_mods; | |||
4639 | ||||
4640 | event->group.base_group = kbd->key->xkbInfo->state.base_group; | |||
4641 | event->group.latched_group = kbd->key->xkbInfo->state.latched_group; | |||
4642 | event->group.locked_group = kbd->key->xkbInfo->state.locked_group; | |||
4643 | } | |||
4644 | ||||
4645 | focus = (kbd) ? kbd->focus->win : None0L; | |||
4646 | if ((focus != NoneWin((WindowPtr)0L)) && | |||
4647 | ((pWin == focus) || (focus == PointerRootWin((WindowPtr)1L)) || IsParent(focus, pWin))) | |||
4648 | event->focus = TRUE1; | |||
4649 | ||||
4650 | FixUpEventFromWindow(mouse->spriteInfo->sprite, (xEvent *) event, pWin, | |||
4651 | None0L, FALSE0); | |||
4652 | ||||
4653 | filter = GetEventFilter(mouse, (xEvent *) event); | |||
4654 | ||||
4655 | if (grab && grab->grabtype == XI2) { | |||
4656 | Mask mask; | |||
4657 | ||||
4658 | mask = xi2mask_isset(grab->xi2mask, mouse, type); | |||
4659 | TryClientEvents(rClient(grab)(clients[((int)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), mouse, (xEvent *) event, 1, mask, 1, | |||
4660 | grab); | |||
4661 | } | |||
4662 | else { | |||
4663 | if (!WindowXI2MaskIsset(mouse, pWin, (xEvent *) event)) | |||
4664 | goto out; | |||
4665 | DeliverEventsToWindow(mouse, pWin, (xEvent *) event, 1, filter, | |||
4666 | NullGrab((GrabPtr)((void*)0))); | |||
4667 | } | |||
4668 | ||||
4669 | out: | |||
4670 | free(event); | |||
4671 | } | |||
4672 | ||||
4673 | void | |||
4674 | CoreFocusEvent(DeviceIntPtr dev, int type, int mode, int detail, WindowPtr pWin) | |||
4675 | { | |||
4676 | xEvent event = { | |||
4677 | .u.u.type = type, | |||
4678 | .u.u.detail = detail | |||
4679 | }; | |||
4680 | event.u.focus.mode = mode; | |||
4681 | event.u.focus.window = pWin->drawable.id; | |||
4682 | ||||
4683 | DeliverEventsToWindow(dev, pWin, &event, 1, | |||
4684 | GetEventFilter(dev, &event), NullGrab((GrabPtr)((void*)0))); | |||
4685 | if ((type == FocusIn9) && | |||
4686 | ((pWin->eventMask | wOtherEventMasks(pWin)((pWin)->optional ? (pWin)->optional->otherEventMasks : 0)) & KeymapStateMask(1L<<14))) { | |||
4687 | xKeymapEvent ke = { | |||
4688 | .type = KeymapNotify11 | |||
4689 | }; | |||
4690 | ClientPtr client = wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]); | |||
4691 | int rc; | |||
4692 | ||||
4693 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, dev, DixReadAccess(1<<0)); | |||
4694 | if (rc == Success0) | |||
4695 | memcpy((char *) &ke.map[0], (char *) &dev->key->down[1], 31)__builtin___memcpy_chk ((char *) &ke.map[0], (char *) & dev->key->down[1], 31, __builtin_object_size ((char *) & ke.map[0], 0)); | |||
4696 | ||||
4697 | DeliverEventsToWindow(dev, pWin, (xEvent *) &ke, 1, | |||
4698 | KeymapStateMask(1L<<14), NullGrab((GrabPtr)((void*)0))); | |||
4699 | } | |||
4700 | } | |||
4701 | ||||
4702 | /** | |||
4703 | * Set the input focus to the given window. Subsequent keyboard events will be | |||
4704 | * delivered to the given window. | |||
4705 | * | |||
4706 | * Usually called from ProcSetInputFocus as result of a client request. If so, | |||
4707 | * the device is the inputInfo.keyboard. | |||
4708 | * If called from ProcXSetInputFocus as result of a client xinput request, the | |||
4709 | * device is set to the device specified by the client. | |||
4710 | * | |||
4711 | * @param client Client that requested input focus change. | |||
4712 | * @param dev Focus device. | |||
4713 | * @param focusID The window to obtain the focus. Can be PointerRoot or None. | |||
4714 | * @param revertTo Specifies where the focus reverts to when window becomes | |||
4715 | * unviewable. | |||
4716 | * @param ctime Specifies the time. | |||
4717 | * @param followOK True if pointer is allowed to follow the keyboard. | |||
4718 | */ | |||
4719 | int | |||
4720 | SetInputFocus(ClientPtr client, | |||
4721 | DeviceIntPtr dev, | |||
4722 | Window focusID, CARD8 revertTo, Time ctime, Bool followOK) | |||
4723 | { | |||
4724 | FocusClassPtr focus; | |||
4725 | WindowPtr focusWin; | |||
4726 | int mode, rc; | |||
4727 | TimeStamp time; | |||
4728 | DeviceIntPtr keybd; /* used for FollowKeyboard or FollowKeyboardWin */ | |||
4729 | ||||
4730 | UpdateCurrentTime(); | |||
4731 | if ((revertTo != RevertToParent2) && | |||
4732 | (revertTo != RevertToPointerRoot(int)1L) && | |||
4733 | (revertTo != RevertToNone(int)0L) && | |||
4734 | ((revertTo != RevertToFollowKeyboard3) || !followOK)) { | |||
4735 | client->errorValue = revertTo; | |||
4736 | return BadValue2; | |||
4737 | } | |||
4738 | time = ClientTimeToServerTime(ctime); | |||
4739 | ||||
4740 | keybd = GetMaster(dev, KEYBOARD_OR_FLOAT5); | |||
4741 | ||||
4742 | if ((focusID == None0L) || (focusID == PointerRoot1L)) | |||
4743 | focusWin = (WindowPtr) (long) focusID; | |||
4744 | else if ((focusID == FollowKeyboard3) && followOK) { | |||
4745 | focusWin = keybd->focus->win; | |||
4746 | } | |||
4747 | else { | |||
4748 | rc = dixLookupWindow(&focusWin, focusID, client, DixSetAttrAccess(1<<5)); | |||
4749 | if (rc != Success0) | |||
4750 | return rc; | |||
4751 | /* It is a match error to try to set the input focus to an | |||
4752 | unviewable window. */ | |||
4753 | if (!focusWin->realized) | |||
4754 | return BadMatch8; | |||
4755 | } | |||
4756 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, dev, DixSetFocusAccess(1<<10)); | |||
4757 | if (rc != Success0) | |||
4758 | return Success0; | |||
4759 | ||||
4760 | focus = dev->focus; | |||
4761 | if ((CompareTimeStamps(time, currentTime) == LATER1) || | |||
4762 | (CompareTimeStamps(time, focus->time) == EARLIER-1)) | |||
4763 | return Success0; | |||
4764 | mode = (dev->deviceGrab.grab) ? NotifyWhileGrabbed3 : NotifyNormal0; | |||
4765 | if (focus->win == FollowKeyboardWin((WindowPtr) 3)) { | |||
4766 | if (!ActivateFocusInGrab(dev, keybd->focus->win, focusWin)) | |||
4767 | DoFocusEvents(dev, keybd->focus->win, focusWin, mode); | |||
4768 | } | |||
4769 | else { | |||
4770 | if (!ActivateFocusInGrab(dev, focus->win, focusWin)) | |||
4771 | DoFocusEvents(dev, focus->win, focusWin, mode); | |||
4772 | } | |||
4773 | focus->time = time; | |||
4774 | focus->revert = revertTo; | |||
4775 | if (focusID == FollowKeyboard3) | |||
4776 | focus->win = FollowKeyboardWin((WindowPtr) 3); | |||
4777 | else | |||
4778 | focus->win = focusWin; | |||
4779 | if ((focusWin == NoneWin((WindowPtr)0L)) || (focusWin == PointerRootWin((WindowPtr)1L))) | |||
4780 | focus->traceGood = 0; | |||
4781 | else { | |||
4782 | int depth = 0; | |||
4783 | WindowPtr pWin; | |||
4784 | ||||
4785 | for (pWin = focusWin; pWin; pWin = pWin->parent) | |||
4786 | depth++; | |||
4787 | if (depth > focus->traceSize) { | |||
4788 | focus->traceSize = depth + 1; | |||
4789 | focus->trace = reallocarrayxreallocarray(focus->trace, focus->traceSize, | |||
4790 | sizeof(WindowPtr)); | |||
4791 | } | |||
4792 | focus->traceGood = depth; | |||
4793 | for (pWin = focusWin, depth--; pWin; pWin = pWin->parent, depth--) | |||
4794 | focus->trace[depth] = pWin; | |||
4795 | } | |||
4796 | return Success0; | |||
4797 | } | |||
4798 | ||||
4799 | /** | |||
4800 | * Server-side protocol handling for SetInputFocus request. | |||
4801 | * | |||
4802 | * Sets the input focus for the virtual core keyboard. | |||
4803 | */ | |||
4804 | int | |||
4805 | ProcSetInputFocus(ClientPtr client) | |||
4806 | { | |||
4807 | DeviceIntPtr kbd = PickKeyboard(client); | |||
4808 | ||||
4809 | REQUEST(xSetInputFocusReq)xSetInputFocusReq *stuff = (xSetInputFocusReq *)client->requestBuffer; | |||
4810 | ||||
4811 | REQUEST_SIZE_MATCH(xSetInputFocusReq)if ((sizeof(xSetInputFocusReq) >> 2) != client->req_len ) return(16); | |||
4812 | ||||
4813 | return SetInputFocus(client, kbd, stuff->focus, | |||
4814 | stuff->revertTo, stuff->time, FALSE0); | |||
4815 | } | |||
4816 | ||||
4817 | /** | |||
4818 | * Server-side protocol handling for GetInputFocus request. | |||
4819 | * | |||
4820 | * Sends the current input focus for the client's keyboard back to the | |||
4821 | * client. | |||
4822 | */ | |||
4823 | int | |||
4824 | ProcGetInputFocus(ClientPtr client) | |||
4825 | { | |||
4826 | DeviceIntPtr kbd = PickKeyboard(client); | |||
4827 | xGetInputFocusReply rep; | |||
4828 | FocusClassPtr focus = kbd->focus; | |||
4829 | int rc; | |||
4830 | ||||
4831 | /* REQUEST(xReq); */ | |||
4832 | REQUEST_SIZE_MATCH(xReq)if ((sizeof(xReq) >> 2) != client->req_len) return(16 ); | |||
4833 | ||||
4834 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, kbd, DixGetFocusAccess(1<<9)); | |||
4835 | if (rc != Success0) | |||
4836 | return rc; | |||
4837 | ||||
4838 | rep = (xGetInputFocusReply) { | |||
4839 | .type = X_Reply1, | |||
4840 | .length = 0, | |||
4841 | .sequenceNumber = client->sequence, | |||
4842 | .revertTo = focus->revert | |||
4843 | }; | |||
4844 | ||||
4845 | if (focus->win == NoneWin((WindowPtr)0L)) | |||
4846 | rep.focus = None0L; | |||
4847 | else if (focus->win == PointerRootWin((WindowPtr)1L)) | |||
4848 | rep.focus = PointerRoot1L; | |||
4849 | else | |||
4850 | rep.focus = focus->win->drawable.id; | |||
4851 | ||||
4852 | WriteReplyToClient(client, sizeof(xGetInputFocusReply), &rep){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xGetInputFocusReply )), &rep); else WriteToClient(client, (int)(sizeof(xGetInputFocusReply )), (&rep)); }; | |||
4853 | return Success0; | |||
4854 | } | |||
4855 | ||||
4856 | /** | |||
4857 | * Server-side protocol handling for GrabPointer request. | |||
4858 | * | |||
4859 | * Sets an active grab on the client's ClientPointer and returns success | |||
4860 | * status to client. | |||
4861 | */ | |||
4862 | int | |||
4863 | ProcGrabPointer(ClientPtr client) | |||
4864 | { | |||
4865 | xGrabPointerReply rep; | |||
4866 | DeviceIntPtr device = PickPointer(client); | |||
4867 | GrabPtr grab; | |||
4868 | GrabMask mask; | |||
4869 | WindowPtr confineTo; | |||
4870 | BYTE status; | |||
4871 | ||||
4872 | REQUEST(xGrabPointerReq)xGrabPointerReq *stuff = (xGrabPointerReq *)client->requestBuffer; | |||
4873 | int rc; | |||
4874 | ||||
4875 | REQUEST_SIZE_MATCH(xGrabPointerReq)if ((sizeof(xGrabPointerReq) >> 2) != client->req_len ) return(16); | |||
4876 | UpdateCurrentTime(); | |||
4877 | ||||
4878 | if (stuff->eventMask & ~PointerGrabMask( (1L<<2) | (1L<<3) | (1L<<4) | (1L<< 5) | (1L<<7) | (1L<<14) | ( (1L<<6) | (1L<< 8) | (1L<<9) | (1L<<10) | (1L<<11) | (1L<< 12) | (1L<<13) ) )) { | |||
4879 | client->errorValue = stuff->eventMask; | |||
4880 | return BadValue2; | |||
4881 | } | |||
4882 | ||||
4883 | if (stuff->confineTo == None0L) | |||
4884 | confineTo = NullWindow((WindowPtr) 0); | |||
4885 | else { | |||
4886 | rc = dixLookupWindow(&confineTo, stuff->confineTo, client, | |||
4887 | DixSetAttrAccess(1<<5)); | |||
4888 | if (rc != Success0) | |||
4889 | return rc; | |||
4890 | } | |||
4891 | ||||
4892 | grab = device->deviceGrab.grab; | |||
4893 | ||||
4894 | if (grab && grab->confineTo && !confineTo) | |||
4895 | ConfineCursorToWindow(device, GetCurrentRootWindow(device), FALSE0, FALSE0); | |||
4896 | ||||
4897 | mask.core = stuff->eventMask; | |||
4898 | ||||
4899 | rc = GrabDevice(client, device, stuff->pointerMode, stuff->keyboardMode, | |||
4900 | stuff->grabWindow, stuff->ownerEvents, stuff->time, | |||
4901 | &mask, CORE, stuff->cursor, stuff->confineTo, &status); | |||
4902 | if (rc != Success0) | |||
4903 | return rc; | |||
4904 | ||||
4905 | rep = (xGrabPointerReply) { | |||
4906 | .type = X_Reply1, | |||
4907 | .status = status, | |||
4908 | .sequenceNumber = client->sequence, | |||
4909 | .length = 0 | |||
4910 | }; | |||
4911 | WriteReplyToClient(client, sizeof(xGrabPointerReply), &rep){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xGrabPointerReply )), &rep); else WriteToClient(client, (int)(sizeof(xGrabPointerReply )), (&rep)); }; | |||
4912 | return Success0; | |||
4913 | } | |||
4914 | ||||
4915 | /** | |||
4916 | * Server-side protocol handling for ChangeActivePointerGrab request. | |||
4917 | * | |||
4918 | * Changes properties of the grab hold by the client. If the client does not | |||
4919 | * hold an active grab on the device, nothing happens. | |||
4920 | */ | |||
4921 | int | |||
4922 | ProcChangeActivePointerGrab(ClientPtr client) | |||
4923 | { | |||
4924 | DeviceIntPtr device; | |||
4925 | GrabPtr grab; | |||
4926 | CursorPtr newCursor, oldCursor; | |||
4927 | ||||
4928 | REQUEST(xChangeActivePointerGrabReq)xChangeActivePointerGrabReq *stuff = (xChangeActivePointerGrabReq *)client->requestBuffer; | |||
4929 | TimeStamp time; | |||
4930 | ||||
4931 | REQUEST_SIZE_MATCH(xChangeActivePointerGrabReq)if ((sizeof(xChangeActivePointerGrabReq) >> 2) != client ->req_len) return(16); | |||
4932 | if (stuff->eventMask & ~PointerGrabMask( (1L<<2) | (1L<<3) | (1L<<4) | (1L<< 5) | (1L<<7) | (1L<<14) | ( (1L<<6) | (1L<< 8) | (1L<<9) | (1L<<10) | (1L<<11) | (1L<< 12) | (1L<<13) ) )) { | |||
4933 | client->errorValue = stuff->eventMask; | |||
4934 | return BadValue2; | |||
4935 | } | |||
4936 | if (stuff->cursor == None0L) | |||
4937 | newCursor = NullCursor((CursorPtr)((void*)0)); | |||
4938 | else { | |||
4939 | int rc = dixLookupResourceByType((void **) &newCursor, stuff->cursor, | |||
4940 | RT_CURSOR((RESTYPE)5), client, DixUseAccess(1<<24)); | |||
4941 | ||||
4942 | if (rc != Success0) { | |||
4943 | client->errorValue = stuff->cursor; | |||
4944 | return rc; | |||
4945 | } | |||
4946 | } | |||
4947 | ||||
4948 | device = PickPointer(client); | |||
4949 | grab = device->deviceGrab.grab; | |||
4950 | ||||
4951 | if (!grab) | |||
4952 | return Success0; | |||
4953 | if (!SameClient(grab, client)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) | |||
4954 | return Success0; | |||
4955 | time = ClientTimeToServerTime(stuff->time); | |||
4956 | if ((CompareTimeStamps(time, currentTime) == LATER1) || | |||
4957 | (CompareTimeStamps(time, device->deviceGrab.grabTime) == EARLIER-1)) | |||
4958 | return Success0; | |||
4959 | oldCursor = grab->cursor; | |||
4960 | grab->cursor = RefCursor(newCursor); | |||
4961 | PostNewCursor(device); | |||
4962 | if (oldCursor) | |||
4963 | FreeCursor(oldCursor, (Cursor) 0); | |||
4964 | grab->eventMask = stuff->eventMask; | |||
4965 | return Success0; | |||
4966 | } | |||
4967 | ||||
4968 | /** | |||
4969 | * Server-side protocol handling for UngrabPointer request. | |||
4970 | * | |||
4971 | * Deletes a pointer grab on a device the client has grabbed. | |||
4972 | */ | |||
4973 | int | |||
4974 | ProcUngrabPointer(ClientPtr client) | |||
4975 | { | |||
4976 | DeviceIntPtr device = PickPointer(client); | |||
4977 | GrabPtr grab; | |||
4978 | TimeStamp time; | |||
4979 | ||||
4980 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; | |||
4981 | ||||
4982 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); | |||
4983 | UpdateCurrentTime(); | |||
4984 | grab = device->deviceGrab.grab; | |||
4985 | ||||
4986 | time = ClientTimeToServerTime(stuff->id); | |||
4987 | if ((CompareTimeStamps(time, currentTime) != LATER1) && | |||
4988 | (CompareTimeStamps(time, device->deviceGrab.grabTime) != EARLIER-1) && | |||
4989 | (grab) && SameClient(grab, client)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) | |||
4990 | (*device->deviceGrab.DeactivateGrab) (device); | |||
4991 | return Success0; | |||
4992 | } | |||
4993 | ||||
4994 | /** | |||
4995 | * Sets a grab on the given device. | |||
4996 | * | |||
4997 | * Called from ProcGrabKeyboard to work on the client's keyboard. | |||
4998 | * Called from ProcXGrabDevice to work on the device specified by the client. | |||
4999 | * | |||
5000 | * The parameters this_mode and other_mode represent the keyboard_mode and | |||
5001 | * pointer_mode parameters of XGrabKeyboard(). | |||
5002 | * See man page for details on all the parameters | |||
5003 | * | |||
5004 | * @param client Client that owns the grab. | |||
5005 | * @param dev The device to grab. | |||
5006 | * @param this_mode GrabModeSync or GrabModeAsync | |||
5007 | * @param other_mode GrabModeSync or GrabModeAsync | |||
5008 | * @param status Return code to be returned to the caller. | |||
5009 | * | |||
5010 | * @returns Success or BadValue or BadAlloc. | |||
5011 | */ | |||
5012 | int | |||
5013 | GrabDevice(ClientPtr client, DeviceIntPtr dev, | |||
5014 | unsigned pointer_mode, unsigned keyboard_mode, Window grabWindow, | |||
5015 | unsigned ownerEvents, Time ctime, GrabMask *mask, | |||
5016 | int grabtype, Cursor curs, Window confineToWin, CARD8 *status) | |||
5017 | { | |||
5018 | WindowPtr pWin, confineTo; | |||
5019 | GrabPtr grab; | |||
5020 | TimeStamp time; | |||
5021 | Mask access_mode = DixGrabAccess(1<<17); | |||
5022 | int rc; | |||
5023 | GrabInfoPtr grabInfo = &dev->deviceGrab; | |||
5024 | CursorPtr cursor; | |||
5025 | ||||
5026 | UpdateCurrentTime(); | |||
5027 | if ((keyboard_mode != GrabModeSync0) && (keyboard_mode != GrabModeAsync1)) { | |||
5028 | client->errorValue = keyboard_mode; | |||
5029 | return BadValue2; | |||
5030 | } | |||
5031 | if ((pointer_mode != GrabModeSync0) && (pointer_mode != GrabModeAsync1)) { | |||
5032 | client->errorValue = pointer_mode; | |||
5033 | return BadValue2; | |||
5034 | } | |||
5035 | if ((ownerEvents != xFalse0) && (ownerEvents != xTrue1)) { | |||
5036 | client->errorValue = ownerEvents; | |||
5037 | return BadValue2; | |||
5038 | } | |||
5039 | ||||
5040 | rc = dixLookupWindow(&pWin, grabWindow, client, DixSetAttrAccess(1<<5)); | |||
5041 | if (rc != Success0) | |||
5042 | return rc; | |||
5043 | ||||
5044 | if (confineToWin == None0L) | |||
5045 | confineTo = NullWindow((WindowPtr) 0); | |||
5046 | else { | |||
5047 | rc = dixLookupWindow(&confineTo, confineToWin, client, | |||
5048 | DixSetAttrAccess(1<<5)); | |||
5049 | if (rc != Success0) | |||
5050 | return rc; | |||
5051 | } | |||
5052 | ||||
5053 | if (curs == None0L) | |||
5054 | cursor = NullCursor((CursorPtr)((void*)0)); | |||
5055 | else { | |||
5056 | rc = dixLookupResourceByType((void **) &cursor, curs, RT_CURSOR((RESTYPE)5), | |||
5057 | client, DixUseAccess(1<<24)); | |||
5058 | if (rc != Success0) { | |||
5059 | client->errorValue = curs; | |||
5060 | return rc; | |||
5061 | } | |||
5062 | access_mode |= DixForceAccess(1<<19); | |||
5063 | } | |||
5064 | ||||
5065 | if (keyboard_mode == GrabModeSync0 || pointer_mode == GrabModeSync0) | |||
5066 | access_mode |= DixFreezeAccess(1<<18); | |||
5067 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, dev, access_mode); | |||
5068 | if (rc != Success0) | |||
5069 | return rc; | |||
5070 | ||||
5071 | time = ClientTimeToServerTime(ctime); | |||
5072 | grab = grabInfo->grab; | |||
5073 | if (grab && grab->grabtype != grabtype) | |||
5074 | *status = AlreadyGrabbed1; | |||
5075 | else if (grab && !SameClient(grab, client)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) | |||
5076 | *status = AlreadyGrabbed1; | |||
5077 | else if ((!pWin->realized) || | |||
5078 | (confineTo && | |||
5079 | !(confineTo->realized && BorderSizeNotEmpty(dev, confineTo)))) | |||
5080 | *status = GrabNotViewable3; | |||
5081 | else if ((CompareTimeStamps(time, currentTime) == LATER1) || | |||
5082 | (CompareTimeStamps(time, grabInfo->grabTime) == EARLIER-1)) | |||
5083 | *status = GrabInvalidTime2; | |||
5084 | else if (grabInfo->sync.frozen && | |||
5085 | grabInfo->sync.other && !SameClient(grabInfo->sync.other, client)((((grabInfo->sync.other)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) == (client)->clientAsMask)) | |||
5086 | *status = GrabFrozen4; | |||
5087 | else { | |||
5088 | GrabPtr tempGrab; | |||
5089 | ||||
5090 | tempGrab = AllocGrab(NULL((void*)0)); | |||
5091 | if (tempGrab == NULL((void*)0)) | |||
5092 | return BadAlloc11; | |||
5093 | ||||
5094 | tempGrab->next = NULL((void*)0); | |||
5095 | tempGrab->window = pWin; | |||
5096 | tempGrab->resource = client->clientAsMask; | |||
5097 | tempGrab->ownerEvents = ownerEvents; | |||
5098 | tempGrab->keyboardMode = keyboard_mode; | |||
5099 | tempGrab->pointerMode = pointer_mode; | |||
5100 | if (grabtype == CORE) | |||
5101 | tempGrab->eventMask = mask->core; | |||
5102 | else if (grabtype == XI) | |||
5103 | tempGrab->eventMask = mask->xi; | |||
5104 | else | |||
5105 | xi2mask_merge(tempGrab->xi2mask, mask->xi2mask); | |||
5106 | tempGrab->device = dev; | |||
5107 | tempGrab->cursor = RefCursor(cursor); | |||
5108 | tempGrab->confineTo = confineTo; | |||
5109 | tempGrab->grabtype = grabtype; | |||
5110 | (*grabInfo->ActivateGrab) (dev, tempGrab, time, FALSE0); | |||
5111 | *status = GrabSuccess0; | |||
5112 | ||||
5113 | FreeGrab(tempGrab); | |||
5114 | } | |||
5115 | return Success0; | |||
5116 | } | |||
5117 | ||||
5118 | /** | |||
5119 | * Server-side protocol handling for GrabKeyboard request. | |||
5120 | * | |||
5121 | * Grabs the client's keyboard and returns success status to client. | |||
5122 | */ | |||
5123 | int | |||
5124 | ProcGrabKeyboard(ClientPtr client) | |||
5125 | { | |||
5126 | xGrabKeyboardReply rep; | |||
5127 | BYTE status; | |||
5128 | ||||
5129 | REQUEST(xGrabKeyboardReq)xGrabKeyboardReq *stuff = (xGrabKeyboardReq *)client->requestBuffer; | |||
5130 | int result; | |||
5131 | DeviceIntPtr keyboard = PickKeyboard(client); | |||
5132 | GrabMask mask; | |||
5133 | ||||
5134 | REQUEST_SIZE_MATCH(xGrabKeyboardReq)if ((sizeof(xGrabKeyboardReq) >> 2) != client->req_len ) return(16); | |||
5135 | ||||
5136 | mask.core = KeyPressMask(1L<<0) | KeyReleaseMask(1L<<1); | |||
5137 | ||||
5138 | result = GrabDevice(client, keyboard, stuff->pointerMode, | |||
5139 | stuff->keyboardMode, stuff->grabWindow, | |||
5140 | stuff->ownerEvents, stuff->time, &mask, CORE, None0L, | |||
5141 | None0L, &status); | |||
5142 | ||||
5143 | if (result != Success0) | |||
5144 | return result; | |||
5145 | ||||
5146 | rep = (xGrabKeyboardReply) { | |||
5147 | .type = X_Reply1, | |||
5148 | .status = status, | |||
5149 | .sequenceNumber = client->sequence, | |||
5150 | .length = 0 | |||
5151 | }; | |||
5152 | WriteReplyToClient(client, sizeof(xGrabKeyboardReply), &rep){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xGrabKeyboardReply )), &rep); else WriteToClient(client, (int)(sizeof(xGrabKeyboardReply )), (&rep)); }; | |||
5153 | return Success0; | |||
5154 | } | |||
5155 | ||||
5156 | /** | |||
5157 | * Server-side protocol handling for UngrabKeyboard request. | |||
5158 | * | |||
5159 | * Deletes a possible grab on the client's keyboard. | |||
5160 | */ | |||
5161 | int | |||
5162 | ProcUngrabKeyboard(ClientPtr client) | |||
5163 | { | |||
5164 | DeviceIntPtr device = PickKeyboard(client); | |||
5165 | GrabPtr grab; | |||
5166 | TimeStamp time; | |||
5167 | ||||
5168 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; | |||
5169 | ||||
5170 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); | |||
5171 | UpdateCurrentTime(); | |||
5172 | ||||
5173 | grab = device->deviceGrab.grab; | |||
5174 | ||||
5175 | time = ClientTimeToServerTime(stuff->id); | |||
5176 | if ((CompareTimeStamps(time, currentTime) != LATER1) && | |||
5177 | (CompareTimeStamps(time, device->deviceGrab.grabTime) != EARLIER-1) && | |||
5178 | (grab) && SameClient(grab, client)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask) && grab->grabtype == CORE) | |||
5179 | (*device->deviceGrab.DeactivateGrab) (device); | |||
5180 | return Success0; | |||
5181 | } | |||
5182 | ||||
5183 | /** | |||
5184 | * Server-side protocol handling for QueryPointer request. | |||
5185 | * | |||
5186 | * Returns the current state and position of the client's ClientPointer to the | |||
5187 | * client. | |||
5188 | */ | |||
5189 | int | |||
5190 | ProcQueryPointer(ClientPtr client) | |||
5191 | { | |||
5192 | xQueryPointerReply rep; | |||
5193 | WindowPtr pWin, t; | |||
5194 | DeviceIntPtr mouse = PickPointer(client); | |||
5195 | DeviceIntPtr keyboard; | |||
5196 | SpritePtr pSprite; | |||
5197 | int rc; | |||
5198 | ||||
5199 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; | |||
5200 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); | |||
5201 | ||||
5202 | rc = dixLookupWindow(&pWin, stuff->id, client, DixGetAttrAccess(1<<4)); | |||
5203 | if (rc != Success0) | |||
5204 | return rc; | |||
5205 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, mouse, DixReadAccess(1<<0)); | |||
5206 | if (rc != Success0 && rc != BadAccess10) | |||
5207 | return rc; | |||
5208 | ||||
5209 | keyboard = GetMaster(mouse, MASTER_KEYBOARD2); | |||
5210 | ||||
5211 | pSprite = mouse->spriteInfo->sprite; | |||
5212 | if (mouse->valuator->motionHintWindow) | |||
5213 | MaybeStopHint(mouse, client); | |||
5214 | rep = (xQueryPointerReply) { | |||
5215 | .type = X_Reply1, | |||
5216 | .sequenceNumber = client->sequence, | |||
5217 | .length = 0, | |||
5218 | .mask = event_get_corestate(mouse, keyboard), | |||
5219 | .root = (GetCurrentRootWindow(mouse))->drawable.id, | |||
5220 | .rootX = pSprite->hot.x, | |||
5221 | .rootY = pSprite->hot.y, | |||
5222 | .child = None0L | |||
5223 | }; | |||
5224 | if (pSprite->hot.pScreen == pWin->drawable.pScreen) { | |||
5225 | rep.sameScreen = xTrue1; | |||
5226 | rep.winX = pSprite->hot.x - pWin->drawable.x; | |||
5227 | rep.winY = pSprite->hot.y - pWin->drawable.y; | |||
5228 | for (t = pSprite->win; t; t = t->parent) | |||
5229 | if (t->parent == pWin) { | |||
5230 | rep.child = t->drawable.id; | |||
5231 | break; | |||
5232 | } | |||
5233 | } | |||
5234 | else { | |||
5235 | rep.sameScreen = xFalse0; | |||
5236 | rep.winX = 0; | |||
5237 | rep.winY = 0; | |||
5238 | } | |||
5239 | ||||
5240 | #ifdef PANORAMIX1 | |||
5241 | if (!noPanoramiXExtension) { | |||
5242 | rep.rootX += screenInfo.screens[0]->x; | |||
5243 | rep.rootY += screenInfo.screens[0]->y; | |||
5244 | if (stuff->id == rep.root) { | |||
5245 | rep.winX += screenInfo.screens[0]->x; | |||
5246 | rep.winY += screenInfo.screens[0]->y; | |||
5247 | } | |||
5248 | } | |||
5249 | #endif | |||
5250 | ||||
5251 | if (rc == BadAccess10) { | |||
5252 | rep.mask = 0; | |||
5253 | rep.child = None0L; | |||
5254 | rep.rootX = 0; | |||
5255 | rep.rootY = 0; | |||
5256 | rep.winX = 0; | |||
5257 | rep.winY = 0; | |||
5258 | } | |||
5259 | ||||
5260 | WriteReplyToClient(client, sizeof(xQueryPointerReply), &rep){ if ((client)->swapped) (*ReplySwapVector[((xReq *)(client )->requestBuffer)->reqType]) (client, (int)(sizeof(xQueryPointerReply )), &rep); else WriteToClient(client, (int)(sizeof(xQueryPointerReply )), (&rep)); }; | |||
5261 | ||||
5262 | return Success0; | |||
5263 | } | |||
5264 | ||||
5265 | /** | |||
5266 | * Initializes the device list and the DIX sprite to sane values. Allocates | |||
5267 | * trace memory used for quick window traversal. | |||
5268 | */ | |||
5269 | void | |||
5270 | InitEvents(void) | |||
5271 | { | |||
5272 | int i; | |||
5273 | QdEventPtr qe, tmp; | |||
5274 | ||||
5275 | inputInfo.numDevices = 0; | |||
5276 | inputInfo.devices = (DeviceIntPtr) NULL((void*)0); | |||
5277 | inputInfo.off_devices = (DeviceIntPtr) NULL((void*)0); | |||
5278 | inputInfo.keyboard = (DeviceIntPtr) NULL((void*)0); | |||
5279 | inputInfo.pointer = (DeviceIntPtr) NULL((void*)0); | |||
5280 | ||||
5281 | for (i = 0; i < MAXDEVICES40; i++) { | |||
5282 | DeviceIntRec dummy; | |||
5283 | memcpy(&event_filters[i], default_filter, sizeof(default_filter))__builtin___memcpy_chk (&event_filters[i], default_filter , sizeof(default_filter), __builtin_object_size (&event_filters [i], 0)); | |||
5284 | ||||
5285 | dummy.id = i; | |||
5286 | NoticeTime(&dummy, currentTime); | |||
5287 | LastEventTimeToggleResetFlag(i, FALSE0); | |||
5288 | } | |||
5289 | ||||
5290 | syncEvents.replayDev = (DeviceIntPtr) NULL((void*)0); | |||
5291 | syncEvents.replayWin = NullWindow((WindowPtr) 0); | |||
5292 | if (syncEvents.pending.next) | |||
5293 | xorg_list_for_each_entry_safe(qe, tmp, &syncEvents.pending, next)for (qe = ((void*)0), qe = (typeof(*qe) *)((char *)((&syncEvents .pending)->next) - __builtin_offsetof(typeof(*qe), next)), tmp = (typeof(*qe) *)((char *)(qe->next.next) - __builtin_offsetof (typeof(*qe), next)); &qe->next != (&syncEvents.pending ); qe = tmp, tmp = (typeof(*tmp) *)((char *)(qe->next.next ) - __builtin_offsetof(typeof(*tmp), next))) | |||
5294 | free(qe); | |||
5295 | xorg_list_init(&syncEvents.pending); | |||
5296 | syncEvents.playingEvents = FALSE0; | |||
5297 | syncEvents.time.months = 0; | |||
5298 | syncEvents.time.milliseconds = 0; /* hardly matters */ | |||
5299 | currentTime.months = 0; | |||
5300 | currentTime.milliseconds = GetTimeInMillis(); | |||
5301 | for (i = 0; i < DNPMCOUNT8; i++) { | |||
5302 | DontPropagateMasks[i] = 0; | |||
5303 | DontPropagateRefCnts[i] = 0; | |||
5304 | } | |||
5305 | ||||
5306 | InputEventList = InitEventList(GetMaximumEventsNum()); | |||
5307 | if (!InputEventList) | |||
5308 | FatalError("[dix] Failed to allocate input event list.\n"); | |||
5309 | } | |||
5310 | ||||
5311 | void | |||
5312 | CloseDownEvents(void) | |||
5313 | { | |||
5314 | FreeEventList(InputEventList, GetMaximumEventsNum()); | |||
5315 | InputEventList = NULL((void*)0); | |||
5316 | } | |||
5317 | ||||
5318 | #define SEND_EVENT_BIT0x80 0x80 | |||
5319 | ||||
5320 | /** | |||
5321 | * Server-side protocol handling for SendEvent request. | |||
5322 | * | |||
5323 | * Locates the window to send the event to and forwards the event. | |||
5324 | */ | |||
5325 | int | |||
5326 | ProcSendEvent(ClientPtr client) | |||
5327 | { | |||
5328 | WindowPtr pWin; | |||
5329 | WindowPtr effectiveFocus = NullWindow((WindowPtr) 0); /* only set if dest==InputFocus */ | |||
5330 | DeviceIntPtr dev = PickPointer(client); | |||
5331 | DeviceIntPtr keybd = GetMaster(dev, MASTER_KEYBOARD2); | |||
5332 | SpritePtr pSprite = dev->spriteInfo->sprite; | |||
5333 | ||||
5334 | REQUEST(xSendEventReq)xSendEventReq *stuff = (xSendEventReq *)client->requestBuffer; | |||
5335 | ||||
5336 | REQUEST_SIZE_MATCH(xSendEventReq)if ((sizeof(xSendEventReq) >> 2) != client->req_len) return(16); | |||
5337 | ||||
5338 | /* libXext and other extension libraries may set the bit indicating | |||
5339 | * that this event came from a SendEvent request so remove it | |||
5340 | * since otherwise the event type may fail the range checks | |||
5341 | * and cause an invalid BadValue error to be returned. | |||
5342 | * | |||
5343 | * This is safe to do since we later add the SendEvent bit (0x80) | |||
5344 | * back in once we send the event to the client */ | |||
5345 | ||||
5346 | stuff->event.u.u.type &= ~(SEND_EVENT_BIT0x80); | |||
5347 | ||||
5348 | /* The client's event type must be a core event type or one defined by an | |||
5349 | extension. */ | |||
5350 | ||||
5351 | if (!((stuff->event.u.u.type > X_Reply1 && | |||
5352 | stuff->event.u.u.type < LASTEvent36) || | |||
5353 | (stuff->event.u.u.type >= EXTENSION_EVENT_BASE64 && | |||
5354 | stuff->event.u.u.type < (unsigned) lastEvent))) { | |||
5355 | client->errorValue = stuff->event.u.u.type; | |||
5356 | return BadValue2; | |||
5357 | } | |||
5358 | if (stuff->event.u.u.type == ClientMessage33 && | |||
5359 | stuff->event.u.u.detail != 8 && | |||
5360 | stuff->event.u.u.detail != 16 && stuff->event.u.u.detail != 32) { | |||
5361 | client->errorValue = stuff->event.u.u.detail; | |||
5362 | return BadValue2; | |||
5363 | } | |||
5364 | if (stuff->eventMask & ~AllEventMasks((1L<<24)|((1L<<24)-1))) { | |||
5365 | client->errorValue = stuff->eventMask; | |||
5366 | return BadValue2; | |||
5367 | } | |||
5368 | ||||
5369 | if (stuff->destination == PointerWindow0L) | |||
5370 | pWin = pSprite->win; | |||
5371 | else if (stuff->destination == InputFocus1L) { | |||
5372 | WindowPtr inputFocus = (keybd) ? keybd->focus->win : NoneWin((WindowPtr)0L); | |||
5373 | ||||
5374 | if (inputFocus == NoneWin((WindowPtr)0L)) | |||
5375 | return Success0; | |||
5376 | ||||
5377 | /* If the input focus is PointerRootWin, send the event to where | |||
5378 | the pointer is if possible, then perhaps propogate up to root. */ | |||
5379 | if (inputFocus == PointerRootWin((WindowPtr)1L)) | |||
5380 | inputFocus = GetCurrentRootWindow(dev); | |||
5381 | ||||
5382 | if (IsParent(inputFocus, pSprite->win)) { | |||
5383 | effectiveFocus = inputFocus; | |||
5384 | pWin = pSprite->win; | |||
5385 | } | |||
5386 | else | |||
5387 | effectiveFocus = pWin = inputFocus; | |||
5388 | } | |||
5389 | else | |||
5390 | dixLookupWindow(&pWin, stuff->destination, client, DixSendAccess(1<<22)); | |||
5391 | ||||
5392 | if (!pWin) | |||
5393 | return BadWindow3; | |||
5394 | if ((stuff->propagate != xFalse0) && (stuff->propagate != xTrue1)) { | |||
5395 | client->errorValue = stuff->propagate; | |||
5396 | return BadValue2; | |||
5397 | } | |||
5398 | stuff->event.u.u.type |= SEND_EVENT_BIT0x80; | |||
5399 | if (stuff->propagate) { | |||
5400 | for (; pWin; pWin = pWin->parent) { | |||
5401 | if (XaceHook(XACE_SEND_ACCESS5, client, NULL((void*)0), pWin, | |||
5402 | &stuff->event, 1)) | |||
5403 | return Success0; | |||
5404 | if (DeliverEventsToWindow(dev, pWin, | |||
5405 | &stuff->event, 1, stuff->eventMask, | |||
5406 | NullGrab((GrabPtr)((void*)0)))) | |||
5407 | return Success0; | |||
5408 | if (pWin == effectiveFocus) | |||
5409 | return Success0; | |||
5410 | stuff->eventMask &= ~wDontPropagateMask(pWin)((pWin)->optional ? (pWin)->optional->dontPropagateMask : DontPropagateMasks[(pWin)->dontPropagate]); | |||
5411 | if (!stuff->eventMask) | |||
5412 | break; | |||
5413 | } | |||
5414 | } | |||
5415 | else if (!XaceHook(XACE_SEND_ACCESS5, client, NULL((void*)0), pWin, &stuff->event, 1)) | |||
5416 | DeliverEventsToWindow(dev, pWin, &stuff->event, | |||
5417 | 1, stuff->eventMask, NullGrab((GrabPtr)((void*)0))); | |||
5418 | return Success0; | |||
5419 | } | |||
5420 | ||||
5421 | /** | |||
5422 | * Server-side protocol handling for UngrabKey request. | |||
5423 | * | |||
5424 | * Deletes a passive grab for the given key. Works on the | |||
5425 | * client's keyboard. | |||
5426 | */ | |||
5427 | int | |||
5428 | ProcUngrabKey(ClientPtr client) | |||
5429 | { | |||
5430 | REQUEST(xUngrabKeyReq)xUngrabKeyReq *stuff = (xUngrabKeyReq *)client->requestBuffer; | |||
5431 | WindowPtr pWin; | |||
5432 | GrabPtr tempGrab; | |||
5433 | DeviceIntPtr keybd = PickKeyboard(client); | |||
5434 | int rc; | |||
5435 | ||||
5436 | REQUEST_SIZE_MATCH(xUngrabKeyReq)if ((sizeof(xUngrabKeyReq) >> 2) != client->req_len) return(16); | |||
5437 | rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixGetAttrAccess(1<<4)); | |||
5438 | if (rc != Success0) | |||
5439 | return rc; | |||
5440 | ||||
5441 | if (((stuff->key > keybd->key->xkbInfo->desc->max_key_code) || | |||
5442 | (stuff->key < keybd->key->xkbInfo->desc->min_key_code)) | |||
5443 | && (stuff->key != AnyKey0L)) { | |||
5444 | client->errorValue = stuff->key; | |||
5445 | return BadValue2; | |||
5446 | } | |||
5447 | if ((stuff->modifiers != AnyModifier(1<<15)) && | |||
5448 | (stuff->modifiers & ~AllModifiersMask( (1<<0) | (1<<1) | (1<<2) | (1<<3) | (1<<4) | (1<<5) | (1<<6) | (1<<7) ))) { | |||
5449 | client->errorValue = stuff->modifiers; | |||
5450 | return BadValue2; | |||
5451 | } | |||
5452 | tempGrab = AllocGrab(NULL((void*)0)); | |||
5453 | if (!tempGrab) | |||
5454 | return BadAlloc11; | |||
5455 | tempGrab->resource = client->clientAsMask; | |||
5456 | tempGrab->device = keybd; | |||
5457 | tempGrab->window = pWin; | |||
5458 | tempGrab->modifiersDetail.exact = stuff->modifiers; | |||
5459 | tempGrab->modifiersDetail.pMask = NULL((void*)0); | |||
5460 | tempGrab->modifierDevice = keybd; | |||
5461 | tempGrab->type = KeyPress2; | |||
5462 | tempGrab->grabtype = CORE; | |||
5463 | tempGrab->detail.exact = stuff->key; | |||
5464 | tempGrab->detail.pMask = NULL((void*)0); | |||
5465 | tempGrab->next = NULL((void*)0); | |||
5466 | ||||
5467 | if (!DeletePassiveGrabFromList(tempGrab)) | |||
5468 | rc = BadAlloc11; | |||
5469 | ||||
5470 | FreeGrab(tempGrab); | |||
5471 | ||||
5472 | return rc; | |||
5473 | } | |||
5474 | ||||
5475 | /** | |||
5476 | * Server-side protocol handling for GrabKey request. | |||
5477 | * | |||
5478 | * Creates a grab for the client's keyboard and adds it to the list of passive | |||
5479 | * grabs. | |||
5480 | */ | |||
5481 | int | |||
5482 | ProcGrabKey(ClientPtr client) | |||
5483 | { | |||
5484 | WindowPtr pWin; | |||
5485 | ||||
5486 | REQUEST(xGrabKeyReq)xGrabKeyReq *stuff = (xGrabKeyReq *)client->requestBuffer; | |||
5487 | GrabPtr grab; | |||
5488 | DeviceIntPtr keybd = PickKeyboard(client); | |||
5489 | int rc; | |||
5490 | GrabParameters param; | |||
5491 | GrabMask mask; | |||
5492 | ||||
5493 | REQUEST_SIZE_MATCH(xGrabKeyReq)if ((sizeof(xGrabKeyReq) >> 2) != client->req_len) return (16); | |||
5494 | ||||
5495 | param = (GrabParameters) { | |||
5496 | .grabtype = CORE, | |||
5497 | .ownerEvents = stuff->ownerEvents, | |||
5498 | .this_device_mode = stuff->keyboardMode, | |||
5499 | .other_devices_mode = stuff->pointerMode, | |||
5500 | .modifiers = stuff->modifiers | |||
5501 | }; | |||
5502 | ||||
5503 | rc = CheckGrabValues(client, ¶m); | |||
5504 | if (rc != Success0) | |||
5505 | return rc; | |||
5506 | ||||
5507 | if (((stuff->key > keybd->key->xkbInfo->desc->max_key_code) || | |||
5508 | (stuff->key < keybd->key->xkbInfo->desc->min_key_code)) | |||
5509 | && (stuff->key != AnyKey0L)) { | |||
5510 | client->errorValue = stuff->key; | |||
5511 | return BadValue2; | |||
5512 | } | |||
5513 | rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixSetAttrAccess(1<<5)); | |||
5514 | if (rc != Success0) | |||
5515 | return rc; | |||
5516 | ||||
5517 | mask.core = (KeyPressMask(1L<<0) | KeyReleaseMask(1L<<1)); | |||
5518 | ||||
5519 | grab = CreateGrab(client->index, keybd, keybd, pWin, CORE, &mask, | |||
5520 | ¶m, KeyPress2, stuff->key, NullWindow((WindowPtr) 0), NullCursor((CursorPtr)((void*)0))); | |||
5521 | if (!grab) | |||
5522 | return BadAlloc11; | |||
5523 | return AddPassiveGrabToList(client, grab); | |||
5524 | } | |||
5525 | ||||
5526 | /** | |||
5527 | * Server-side protocol handling for GrabButton request. | |||
5528 | * | |||
5529 | * Creates a grab for the client's ClientPointer and adds it as a passive grab | |||
5530 | * to the list. | |||
5531 | */ | |||
5532 | int | |||
5533 | ProcGrabButton(ClientPtr client) | |||
5534 | { | |||
5535 | WindowPtr pWin, confineTo; | |||
5536 | ||||
5537 | REQUEST(xGrabButtonReq)xGrabButtonReq *stuff = (xGrabButtonReq *)client->requestBuffer; | |||
5538 | CursorPtr cursor; | |||
5539 | GrabPtr grab; | |||
5540 | DeviceIntPtr ptr, modifierDevice; | |||
5541 | Mask access_mode = DixGrabAccess(1<<17); | |||
5542 | GrabMask mask; | |||
5543 | GrabParameters param; | |||
5544 | int rc; | |||
5545 | ||||
5546 | REQUEST_SIZE_MATCH(xGrabButtonReq)if ((sizeof(xGrabButtonReq) >> 2) != client->req_len ) return(16); | |||
5547 | if ((stuff->pointerMode != GrabModeSync0) && | |||
5548 | (stuff->pointerMode != GrabModeAsync1)) { | |||
5549 | client->errorValue = stuff->pointerMode; | |||
5550 | return BadValue2; | |||
5551 | } | |||
5552 | if ((stuff->keyboardMode != GrabModeSync0) && | |||
5553 | (stuff->keyboardMode != GrabModeAsync1)) { | |||
5554 | client->errorValue = stuff->keyboardMode; | |||
5555 | return BadValue2; | |||
5556 | } | |||
5557 | if ((stuff->modifiers != AnyModifier(1<<15)) && | |||
5558 | (stuff->modifiers & ~AllModifiersMask( (1<<0) | (1<<1) | (1<<2) | (1<<3) | (1<<4) | (1<<5) | (1<<6) | (1<<7) ))) { | |||
5559 | client->errorValue = stuff->modifiers; | |||
5560 | return BadValue2; | |||
5561 | } | |||
5562 | if ((stuff->ownerEvents != xFalse0) && (stuff->ownerEvents != xTrue1)) { | |||
5563 | client->errorValue = stuff->ownerEvents; | |||
5564 | return BadValue2; | |||
5565 | } | |||
5566 | if (stuff->eventMask & ~PointerGrabMask( (1L<<2) | (1L<<3) | (1L<<4) | (1L<< 5) | (1L<<7) | (1L<<14) | ( (1L<<6) | (1L<< 8) | (1L<<9) | (1L<<10) | (1L<<11) | (1L<< 12) | (1L<<13) ) )) { | |||
5567 | client->errorValue = stuff->eventMask; | |||
5568 | return BadValue2; | |||
5569 | } | |||
5570 | rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixSetAttrAccess(1<<5)); | |||
5571 | if (rc != Success0) | |||
5572 | return rc; | |||
5573 | if (stuff->confineTo == None0L) | |||
5574 | confineTo = NullWindow((WindowPtr) 0); | |||
5575 | else { | |||
5576 | rc = dixLookupWindow(&confineTo, stuff->confineTo, client, | |||
5577 | DixSetAttrAccess(1<<5)); | |||
5578 | if (rc != Success0) | |||
5579 | return rc; | |||
5580 | } | |||
5581 | if (stuff->cursor == None0L) | |||
5582 | cursor = NullCursor((CursorPtr)((void*)0)); | |||
5583 | else { | |||
5584 | rc = dixLookupResourceByType((void **) &cursor, stuff->cursor, | |||
5585 | RT_CURSOR((RESTYPE)5), client, DixUseAccess(1<<24)); | |||
5586 | if (rc != Success0) { | |||
5587 | client->errorValue = stuff->cursor; | |||
5588 | return rc; | |||
5589 | } | |||
5590 | access_mode |= DixForceAccess(1<<19); | |||
5591 | } | |||
5592 | ||||
5593 | ptr = PickPointer(client); | |||
5594 | modifierDevice = GetMaster(ptr, MASTER_KEYBOARD2); | |||
5595 | if (stuff->pointerMode == GrabModeSync0 || | |||
5596 | stuff->keyboardMode == GrabModeSync0) | |||
5597 | access_mode |= DixFreezeAccess(1<<18); | |||
5598 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, ptr, access_mode); | |||
5599 | if (rc != Success0) | |||
5600 | return rc; | |||
5601 | ||||
5602 | param = (GrabParameters) { | |||
5603 | .grabtype = CORE, | |||
5604 | .ownerEvents = stuff->ownerEvents, | |||
5605 | .this_device_mode = stuff->keyboardMode, | |||
5606 | .other_devices_mode = stuff->pointerMode, | |||
5607 | .modifiers = stuff->modifiers | |||
5608 | }; | |||
5609 | ||||
5610 | mask.core = stuff->eventMask; | |||
5611 | ||||
5612 | grab = CreateGrab(client->index, ptr, modifierDevice, pWin, | |||
5613 | CORE, &mask, ¶m, ButtonPress4, | |||
5614 | stuff->button, confineTo, cursor); | |||
5615 | if (!grab) | |||
5616 | return BadAlloc11; | |||
5617 | return AddPassiveGrabToList(client, grab); | |||
5618 | } | |||
5619 | ||||
5620 | /** | |||
5621 | * Server-side protocol handling for UngrabButton request. | |||
5622 | * | |||
5623 | * Deletes a passive grab on the client's ClientPointer from the list. | |||
5624 | */ | |||
5625 | int | |||
5626 | ProcUngrabButton(ClientPtr client) | |||
5627 | { | |||
5628 | REQUEST(xUngrabButtonReq)xUngrabButtonReq *stuff = (xUngrabButtonReq *)client->requestBuffer; | |||
5629 | WindowPtr pWin; | |||
5630 | GrabPtr tempGrab; | |||
5631 | int rc; | |||
5632 | DeviceIntPtr ptr; | |||
5633 | ||||
5634 | REQUEST_SIZE_MATCH(xUngrabButtonReq)if ((sizeof(xUngrabButtonReq) >> 2) != client->req_len ) return(16); | |||
5635 | if ((stuff->modifiers != AnyModifier(1<<15)) && | |||
5636 | (stuff->modifiers & ~AllModifiersMask( (1<<0) | (1<<1) | (1<<2) | (1<<3) | (1<<4) | (1<<5) | (1<<6) | (1<<7) ))) { | |||
5637 | client->errorValue = stuff->modifiers; | |||
5638 | return BadValue2; | |||
5639 | } | |||
5640 | rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixReadAccess(1<<0)); | |||
5641 | if (rc != Success0) | |||
5642 | return rc; | |||
5643 | ||||
5644 | ptr = PickPointer(client); | |||
5645 | ||||
5646 | tempGrab = AllocGrab(NULL((void*)0)); | |||
5647 | if (!tempGrab) | |||
5648 | return BadAlloc11; | |||
5649 | tempGrab->resource = client->clientAsMask; | |||
5650 | tempGrab->device = ptr; | |||
5651 | tempGrab->window = pWin; | |||
5652 | tempGrab->modifiersDetail.exact = stuff->modifiers; | |||
5653 | tempGrab->modifiersDetail.pMask = NULL((void*)0); | |||
5654 | tempGrab->modifierDevice = GetMaster(ptr, MASTER_KEYBOARD2); | |||
5655 | tempGrab->type = ButtonPress4; | |||
5656 | tempGrab->detail.exact = stuff->button; | |||
5657 | tempGrab->grabtype = CORE; | |||
5658 | tempGrab->detail.pMask = NULL((void*)0); | |||
5659 | tempGrab->next = NULL((void*)0); | |||
5660 | ||||
5661 | if (!DeletePassiveGrabFromList(tempGrab)) | |||
5662 | rc = BadAlloc11; | |||
5663 | ||||
5664 | FreeGrab(tempGrab); | |||
5665 | return rc; | |||
5666 | } | |||
5667 | ||||
5668 | /** | |||
5669 | * Deactivate any grab that may be on the window, remove the focus. | |||
5670 | * Delete any XInput extension events from the window too. Does not change the | |||
5671 | * window mask. Use just before the window is deleted. | |||
5672 | * | |||
5673 | * If freeResources is set, passive grabs on the window are deleted. | |||
5674 | * | |||
5675 | * @param pWin The window to delete events from. | |||
5676 | * @param freeResources True if resources associated with the window should be | |||
5677 | * deleted. | |||
5678 | */ | |||
5679 | void | |||
5680 | DeleteWindowFromAnyEvents(WindowPtr pWin, Bool freeResources) | |||
5681 | { | |||
5682 | WindowPtr parent; | |||
5683 | DeviceIntPtr mouse = inputInfo.pointer; | |||
5684 | DeviceIntPtr keybd = inputInfo.keyboard; | |||
5685 | FocusClassPtr focus; | |||
5686 | OtherClientsPtr oc; | |||
5687 | GrabPtr passive; | |||
5688 | GrabPtr grab; | |||
5689 | ||||
5690 | /* Deactivate any grabs performed on this window, before making any | |||
5691 | input focus changes. */ | |||
5692 | grab = mouse->deviceGrab.grab; | |||
5693 | if (grab && ((grab->window == pWin) || (grab->confineTo == pWin))) | |||
5694 | (*mouse->deviceGrab.DeactivateGrab) (mouse); | |||
5695 | ||||
5696 | /* Deactivating a keyboard grab should cause focus events. */ | |||
5697 | grab = keybd->deviceGrab.grab; | |||
5698 | if (grab && (grab->window == pWin)) | |||
5699 | (*keybd->deviceGrab.DeactivateGrab) (keybd); | |||
5700 | ||||
5701 | /* And now the real devices */ | |||
5702 | for (mouse = inputInfo.devices; mouse; mouse = mouse->next) { | |||
5703 | grab = mouse->deviceGrab.grab; | |||
5704 | if (grab && ((grab->window == pWin) || (grab->confineTo == pWin))) | |||
5705 | (*mouse->deviceGrab.DeactivateGrab) (mouse); | |||
5706 | } | |||
5707 | ||||
5708 | for (keybd = inputInfo.devices; keybd; keybd = keybd->next) { | |||
5709 | if (IsKeyboardDevice(keybd)) { | |||
5710 | focus = keybd->focus; | |||
5711 | ||||
5712 | /* If the focus window is a root window (ie. has no parent) | |||
5713 | then don't delete the focus from it. */ | |||
5714 | ||||
5715 | if ((pWin == focus->win) && (pWin->parent != NullWindow((WindowPtr) 0))) { | |||
5716 | int focusEventMode = NotifyNormal0; | |||
5717 | ||||
5718 | /* If a grab is in progress, then alter the mode of focus events. */ | |||
5719 | ||||
5720 | if (keybd->deviceGrab.grab) | |||
5721 | focusEventMode = NotifyWhileGrabbed3; | |||
5722 | ||||
5723 | switch (focus->revert) { | |||
5724 | case RevertToNone(int)0L: | |||
5725 | DoFocusEvents(keybd, pWin, NoneWin((WindowPtr)0L), focusEventMode); | |||
5726 | focus->win = NoneWin((WindowPtr)0L); | |||
5727 | focus->traceGood = 0; | |||
5728 | break; | |||
5729 | case RevertToParent2: | |||
5730 | parent = pWin; | |||
5731 | do { | |||
5732 | parent = parent->parent; | |||
5733 | focus->traceGood--; | |||
5734 | } while (!parent->realized | |||
5735 | /* This would be a good protocol change -- windows being | |||
5736 | reparented during SaveSet processing would cause the | |||
5737 | focus to revert to the nearest enclosing window which | |||
5738 | will survive the death of the exiting client, instead | |||
5739 | of ending up reverting to a dying window and thence | |||
5740 | to None */ | |||
5741 | #ifdef NOTDEF | |||
5742 | || wClient(parent)(clients[((int)((((parent)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))])->clientGone | |||
5743 | #endif | |||
5744 | ); | |||
5745 | if (!ActivateFocusInGrab(keybd, pWin, parent)) | |||
5746 | DoFocusEvents(keybd, pWin, parent, focusEventMode); | |||
5747 | focus->win = parent; | |||
5748 | focus->revert = RevertToNone(int)0L; | |||
5749 | break; | |||
5750 | case RevertToPointerRoot(int)1L: | |||
5751 | if (!ActivateFocusInGrab(keybd, pWin, PointerRootWin((WindowPtr)1L))) | |||
5752 | DoFocusEvents(keybd, pWin, PointerRootWin((WindowPtr)1L), | |||
5753 | focusEventMode); | |||
5754 | focus->win = PointerRootWin((WindowPtr)1L); | |||
5755 | focus->traceGood = 0; | |||
5756 | break; | |||
5757 | } | |||
5758 | } | |||
5759 | } | |||
5760 | ||||
5761 | if (IsPointerDevice(keybd)) { | |||
5762 | if (keybd->valuator->motionHintWindow == pWin) | |||
5763 | keybd->valuator->motionHintWindow = NullWindow((WindowPtr) 0); | |||
5764 | } | |||
5765 | } | |||
5766 | ||||
5767 | if (freeResources) { | |||
5768 | if (pWin->dontPropagate) | |||
5769 | DontPropagateRefCnts[pWin->dontPropagate]--; | |||
5770 | while ((oc = wOtherClients(pWin)((pWin)->optional ? (pWin)->optional->otherClients : ((void*)0)))) | |||
5771 | FreeResource(oc->resource, RT_NONE((RESTYPE)0)); | |||
5772 | while ((passive = wPassiveGrabs(pWin)((pWin)->optional ? (pWin)->optional->passiveGrabs : ((void*)0)))) | |||
5773 | FreeResource(passive->resource, RT_NONE((RESTYPE)0)); | |||
5774 | } | |||
5775 | ||||
5776 | DeleteWindowFromAnyExtEvents(pWin, freeResources); | |||
5777 | } | |||
5778 | ||||
5779 | /** | |||
5780 | * Call this whenever some window at or below pWin has changed geometry. If | |||
5781 | * there is a grab on the window, the cursor will be re-confined into the | |||
5782 | * window. | |||
5783 | */ | |||
5784 | void | |||
5785 | CheckCursorConfinement(WindowPtr pWin) | |||
5786 | { | |||
5787 | GrabPtr grab; | |||
5788 | WindowPtr confineTo; | |||
5789 | DeviceIntPtr pDev; | |||
5790 | ||||
5791 | #ifdef PANORAMIX1 | |||
5792 | if (!noPanoramiXExtension && pWin->drawable.pScreen->myNum) | |||
5793 | return; | |||
5794 | #endif | |||
5795 | ||||
5796 | for (pDev = inputInfo.devices; pDev; pDev = pDev->next) { | |||
5797 | if (DevHasCursor(pDev)) { | |||
5798 | grab = pDev->deviceGrab.grab; | |||
5799 | if (grab && (confineTo = grab->confineTo)) { | |||
5800 | if (!BorderSizeNotEmpty(pDev, confineTo)) | |||
5801 | (*pDev->deviceGrab.DeactivateGrab) (pDev); | |||
5802 | else if ((pWin == confineTo) || IsParent(pWin, confineTo)) | |||
5803 | ConfineCursorToWindow(pDev, confineTo, TRUE1, TRUE1); | |||
5804 | } | |||
5805 | } | |||
5806 | } | |||
5807 | } | |||
5808 | ||||
5809 | Mask | |||
5810 | EventMaskForClient(WindowPtr pWin, ClientPtr client) | |||
5811 | { | |||
5812 | OtherClientsPtr other; | |||
5813 | ||||
5814 | if (wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]) == client) | |||
5815 | return pWin->eventMask; | |||
5816 | for (other = wOtherClients(pWin)((pWin)->optional ? (pWin)->optional->otherClients : ((void*)0)); other; other = other->next) { | |||
5817 | if (SameClient(other, client)((((other)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) | |||
5818 | return other->mask; | |||
5819 | } | |||
5820 | return 0; | |||
5821 | } | |||
5822 | ||||
5823 | /** | |||
5824 | * Server-side protocol handling for RecolorCursor request. | |||
5825 | */ | |||
5826 | int | |||
5827 | ProcRecolorCursor(ClientPtr client) | |||
5828 | { | |||
5829 | CursorPtr pCursor; | |||
5830 | int rc, nscr; | |||
5831 | ScreenPtr pscr; | |||
5832 | Bool displayed; | |||
5833 | SpritePtr pSprite = PickPointer(client)->spriteInfo->sprite; | |||
5834 | ||||
5835 | REQUEST(xRecolorCursorReq)xRecolorCursorReq *stuff = (xRecolorCursorReq *)client->requestBuffer; | |||
5836 | ||||
5837 | REQUEST_SIZE_MATCH(xRecolorCursorReq)if ((sizeof(xRecolorCursorReq) >> 2) != client->req_len ) return(16); | |||
5838 | rc = dixLookupResourceByType((void **) &pCursor, stuff->cursor, RT_CURSOR((RESTYPE)5), | |||
5839 | client, DixWriteAccess(1<<1)); | |||
5840 | if (rc != Success0) { | |||
5841 | client->errorValue = stuff->cursor; | |||
5842 | return rc; | |||
5843 | } | |||
5844 | ||||
5845 | pCursor->foreRed = stuff->foreRed; | |||
5846 | pCursor->foreGreen = stuff->foreGreen; | |||
5847 | pCursor->foreBlue = stuff->foreBlue; | |||
5848 | ||||
5849 | pCursor->backRed = stuff->backRed; | |||
5850 | pCursor->backGreen = stuff->backGreen; | |||
5851 | pCursor->backBlue = stuff->backBlue; | |||
5852 | ||||
5853 | for (nscr = 0; nscr < screenInfo.numScreens; nscr++) { | |||
5854 | pscr = screenInfo.screens[nscr]; | |||
5855 | #ifdef PANORAMIX1 | |||
5856 | if (!noPanoramiXExtension) | |||
5857 | displayed = (pscr == pSprite->screen); | |||
5858 | else | |||
5859 | #endif | |||
5860 | displayed = (pscr == pSprite->hotPhys.pScreen); | |||
5861 | (*pscr->RecolorCursor) (PickPointer(client), pscr, pCursor, | |||
5862 | (pCursor == pSprite->current) && displayed); | |||
5863 | } | |||
5864 | return Success0; | |||
5865 | } | |||
5866 | ||||
5867 | /** | |||
5868 | * Write the given events to a client, swapping the byte order if necessary. | |||
5869 | * To swap the byte ordering, a callback is called that has to be set up for | |||
5870 | * the given event type. | |||
5871 | * | |||
5872 | * In the case of DeviceMotionNotify trailed by DeviceValuators, the events | |||
5873 | * can be more than one. Usually it's just one event. | |||
5874 | * | |||
5875 | * Do not modify the event structure passed in. See comment below. | |||
5876 | * | |||
5877 | * @param pClient Client to send events to. | |||
5878 | * @param count Number of events. | |||
5879 | * @param events The event list. | |||
5880 | */ | |||
5881 | void | |||
5882 | WriteEventsToClient(ClientPtr pClient, int count, xEvent *events) | |||
5883 | { | |||
5884 | #ifdef PANORAMIX1 | |||
5885 | xEvent eventCopy; | |||
5886 | #endif | |||
5887 | xEvent *eventTo, *eventFrom; | |||
5888 | int i, eventlength = sizeof(xEvent); | |||
5889 | ||||
5890 | if (!pClient || pClient == serverClient || pClient->clientGone) | |||
5891 | return; | |||
5892 | ||||
5893 | for (i = 0; i < count; i++) | |||
5894 | if ((events[i].u.u.type & 0x7f) != KeymapNotify11) | |||
5895 | events[i].u.u.sequenceNumber = pClient->sequence; | |||
5896 | ||||
5897 | /* Let XKB rewrite the state, as it depends on client preferences. */ | |||
5898 | XkbFilterEvents(pClient, count, events); | |||
5899 | ||||
5900 | #ifdef PANORAMIX1 | |||
5901 | if (!noPanoramiXExtension && | |||
5902 | (screenInfo.screens[0]->x || screenInfo.screens[0]->y)) { | |||
5903 | switch (events->u.u.type) { | |||
5904 | case MotionNotify6: | |||
5905 | case ButtonPress4: | |||
5906 | case ButtonRelease5: | |||
5907 | case KeyPress2: | |||
5908 | case KeyRelease3: | |||
5909 | case EnterNotify7: | |||
5910 | case LeaveNotify8: | |||
5911 | /* | |||
5912 | When multiple clients want the same event DeliverEventsToWindow | |||
5913 | passes the same event structure multiple times so we can't | |||
5914 | modify the one passed to us | |||
5915 | */ | |||
5916 | count = 1; /* should always be 1 */ | |||
5917 | memcpy(&eventCopy, events, sizeof(xEvent))__builtin___memcpy_chk (&eventCopy, events, sizeof(xEvent ), __builtin_object_size (&eventCopy, 0)); | |||
5918 | eventCopy.u.keyButtonPointer.rootX += screenInfo.screens[0]->x; | |||
5919 | eventCopy.u.keyButtonPointer.rootY += screenInfo.screens[0]->y; | |||
5920 | if (eventCopy.u.keyButtonPointer.event == | |||
5921 | eventCopy.u.keyButtonPointer.root) { | |||
5922 | eventCopy.u.keyButtonPointer.eventX += screenInfo.screens[0]->x; | |||
5923 | eventCopy.u.keyButtonPointer.eventY += screenInfo.screens[0]->y; | |||
5924 | } | |||
5925 | events = &eventCopy; | |||
5926 | break; | |||
5927 | default: | |||
5928 | break; | |||
5929 | } | |||
5930 | } | |||
5931 | #endif | |||
5932 | ||||
5933 | if (EventCallback) { | |||
5934 | EventInfoRec eventinfo; | |||
5935 | ||||
5936 | eventinfo.client = pClient; | |||
5937 | eventinfo.events = events; | |||
5938 | eventinfo.count = count; | |||
5939 | CallCallbacks(&EventCallback, (void *) &eventinfo); | |||
5940 | } | |||
5941 | #ifdef XSERVER_DTRACE1 | |||
5942 | if (XSERVER_SEND_EVENT_ENABLED()({ int _r = __dtrace_isenabled$Xserver$send__event$v1(); __asm__ volatile(""); _r; })) { | |||
5943 | for (i = 0; i < count; i++) { | |||
5944 | XSERVER_SEND_EVENT(pClient->index, events[i].u.u.type, &events[i])do { __asm__ volatile(".reference " "___dtrace_typedefs$Xserver$v2$636f6e73745f646f75626c655f70$636f6e73745f75696e74385f70" ); __dtrace_probe$Xserver$send__event$v1$696e74$75696e74385f74$766f6964202a (pClient->index, events[i].u.u.type, &events[i]); __asm__ volatile(".reference " "___dtrace_stability$Xserver$v1$4_4_5_1_1_0_1_1_0_4_4_5_4_4_5" ); } while (0); | |||
5945 | } | |||
5946 | } | |||
5947 | #endif | |||
5948 | /* Just a safety check to make sure we only have one GenericEvent, it just | |||
5949 | * makes things easier for me right now. (whot) */ | |||
5950 | for (i = 1; i < count; i++) { | |||
5951 | if (events[i].u.u.type == GenericEvent35) { | |||
5952 | ErrorF("[dix] TryClientEvents: Only one GenericEvent at a time.\n"); | |||
5953 | return; | |||
5954 | } | |||
5955 | } | |||
5956 | ||||
5957 | if (events->u.u.type == GenericEvent35) { | |||
5958 | eventlength += ((xGenericEvent *) events)->length * 4; | |||
5959 | } | |||
5960 | ||||
5961 | if (pClient->swapped) { | |||
5962 | if (eventlength > swapEventLen) { | |||
5963 | swapEventLen = eventlength; | |||
5964 | swapEvent = realloc(swapEvent, swapEventLen); | |||
5965 | if (!swapEvent) { | |||
5966 | FatalError("WriteEventsToClient: Out of memory.\n"); | |||
5967 | return; | |||
5968 | } | |||
5969 | } | |||
5970 | ||||
5971 | for (i = 0; i < count; i++) { | |||
5972 | eventFrom = &events[i]; | |||
5973 | eventTo = swapEvent; | |||
5974 | ||||
5975 | /* Remember to strip off the leading bit of type in case | |||
5976 | this event was sent with "SendEvent." */ | |||
5977 | (*EventSwapVector[eventFrom->u.u.type & 0177]) | |||
5978 | (eventFrom, eventTo); | |||
5979 | ||||
5980 | WriteToClient(pClient, eventlength, eventTo); | |||
5981 | } | |||
5982 | } | |||
5983 | else { | |||
5984 | /* only one GenericEvent, remember? that means either count is 1 and | |||
5985 | * eventlength is arbitrary or eventlength is 32 and count doesn't | |||
5986 | * matter. And we're all set. Woohoo. */ | |||
5987 | WriteToClient(pClient, count * eventlength, events); | |||
5988 | } | |||
5989 | } | |||
5990 | ||||
5991 | /* | |||
5992 | * Set the client pointer for the given client. | |||
5993 | * | |||
5994 | * A client can have exactly one ClientPointer. Each time a | |||
5995 | * request/reply/event is processed and the choice of devices is ambiguous | |||
5996 | * (e.g. QueryPointer request), the server will pick the ClientPointer (see | |||
5997 | * PickPointer()). | |||
5998 | * If a keyboard is needed, the first keyboard paired with the CP is used. | |||
5999 | */ | |||
6000 | int | |||
6001 | SetClientPointer(ClientPtr client, DeviceIntPtr device) | |||
6002 | { | |||
6003 | int rc = XaceHook(XACE_DEVICE_ACCESS3, client, device, DixUseAccess(1<<24)); | |||
6004 | ||||
6005 | if (rc != Success0) | |||
6006 | return rc; | |||
6007 | ||||
6008 | if (!IsMaster(device)) { | |||
6009 | ErrorF("[dix] Need master device for ClientPointer. This is a bug.\n"); | |||
6010 | return BadDevice; | |||
6011 | } | |||
6012 | else if (!device->spriteInfo->spriteOwner) { | |||
6013 | ErrorF("[dix] Device %d does not have a sprite. " | |||
6014 | "Cannot be ClientPointer\n", device->id); | |||
6015 | return BadDevice; | |||
6016 | } | |||
6017 | client->clientPtr = device; | |||
6018 | return Success0; | |||
6019 | } | |||
6020 | ||||
6021 | /* PickPointer will pick an appropriate pointer for the given client. | |||
6022 | * | |||
6023 | * An "appropriate device" is (in order of priority): | |||
6024 | * 1) A device the given client has a core grab on. | |||
6025 | * 2) A device set as ClientPointer for the given client. | |||
6026 | * 3) The first master device. | |||
6027 | */ | |||
6028 | DeviceIntPtr | |||
6029 | PickPointer(ClientPtr client) | |||
6030 | { | |||
6031 | DeviceIntPtr it = inputInfo.devices; | |||
6032 | ||||
6033 | /* First, check if the client currently has a grab on a device. Even | |||
6034 | * keyboards count. */ | |||
6035 | for (it = inputInfo.devices; it; it = it->next) { | |||
6036 | GrabPtr grab = it->deviceGrab.grab; | |||
6037 | ||||
6038 | if (grab && grab->grabtype == CORE && SameClient(grab, client)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) { | |||
6039 | it = GetMaster(it, MASTER_POINTER1); | |||
6040 | return it; /* Always return a core grabbed device */ | |||
6041 | } | |||
6042 | } | |||
6043 | ||||
6044 | if (!client->clientPtr) { | |||
6045 | it = inputInfo.devices; | |||
6046 | while (it) { | |||
6047 | if (IsMaster(it) && it->spriteInfo->spriteOwner) { | |||
6048 | client->clientPtr = it; | |||
6049 | break; | |||
6050 | } | |||
6051 | it = it->next; | |||
6052 | } | |||
6053 | } | |||
6054 | return client->clientPtr; | |||
6055 | } | |||
6056 | ||||
6057 | /* PickKeyboard will pick an appropriate keyboard for the given client by | |||
6058 | * searching the list of devices for the keyboard device that is paired with | |||
6059 | * the client's pointer. | |||
6060 | */ | |||
6061 | DeviceIntPtr | |||
6062 | PickKeyboard(ClientPtr client) | |||
6063 | { | |||
6064 | DeviceIntPtr ptr = PickPointer(client); | |||
6065 | DeviceIntPtr kbd = GetMaster(ptr, MASTER_KEYBOARD2); | |||
6066 | ||||
6067 | if (!kbd) { | |||
6068 | ErrorF("[dix] ClientPointer not paired with a keyboard. This " | |||
6069 | "is a bug.\n"); | |||
6070 | } | |||
6071 | ||||
6072 | return kbd; | |||
6073 | } | |||
6074 | ||||
6075 | /* A client that has one or more core grabs does not get core events from | |||
6076 | * devices it does not have a grab on. Legacy applications behave bad | |||
6077 | * otherwise because they are not used to it and the events interfere. | |||
6078 | * Only applies for core events. | |||
6079 | * | |||
6080 | * Return true if a core event from the device would interfere and should not | |||
6081 | * be delivered. | |||
6082 | */ | |||
6083 | Bool | |||
6084 | IsInterferingGrab(ClientPtr client, DeviceIntPtr dev, xEvent *event) | |||
6085 | { | |||
6086 | DeviceIntPtr it = inputInfo.devices; | |||
6087 | ||||
6088 | switch (event->u.u.type) { | |||
6089 | case KeyPress2: | |||
6090 | case KeyRelease3: | |||
6091 | case ButtonPress4: | |||
6092 | case ButtonRelease5: | |||
6093 | case MotionNotify6: | |||
6094 | case EnterNotify7: | |||
6095 | case LeaveNotify8: | |||
6096 | break; | |||
6097 | default: | |||
6098 | return FALSE0; | |||
6099 | } | |||
6100 | ||||
6101 | if (dev->deviceGrab.grab && SameClient(dev->deviceGrab.grab, client)((((dev->deviceGrab.grab)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) == (client)->clientAsMask)) | |||
6102 | return FALSE0; | |||
6103 | ||||
6104 | while (it) { | |||
6105 | if (it != dev) { | |||
6106 | if (it->deviceGrab.grab && SameClient(it->deviceGrab.grab, client)((((it->deviceGrab.grab)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) == (client)->clientAsMask) | |||
6107 | && !it->deviceGrab.fromPassiveGrab) { | |||
6108 | if ((IsPointerDevice(it) && IsPointerDevice(dev)) || | |||
6109 | (IsKeyboardDevice(it) && IsKeyboardDevice(dev))) | |||
6110 | return TRUE1; | |||
6111 | } | |||
6112 | } | |||
6113 | it = it->next; | |||
6114 | } | |||
6115 | ||||
6116 | return FALSE0; | |||
6117 | } | |||
6118 | ||||
6119 | /* PointerBarrier events are only delivered to the client that created that | |||
6120 | * barrier */ | |||
6121 | static Bool | |||
6122 | IsWrongPointerBarrierClient(ClientPtr client, DeviceIntPtr dev, xEvent *event) | |||
6123 | { | |||
6124 | xXIBarrierEvent *ev = (xXIBarrierEvent*)event; | |||
6125 | ||||
6126 | if (ev->type != GenericEvent35 || ev->extension != IReqCode) | |||
6127 | return FALSE0; | |||
6128 | ||||
6129 | if (ev->evtype != XI_BarrierHit25 && ev->evtype != XI_BarrierLeave26) | |||
6130 | return FALSE0; | |||
6131 | ||||
6132 | return client->index != CLIENT_ID(ev->barrier)((int)(((ev->barrier) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits()))); | |||
6133 | } |