File: | dix/events.c |
Location: | line 4584, column 13 |
Description: | Access to field 'key' results in a dereference of a null pointer (loaded from variable 'keybd') |
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 = (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 << 8) - 1) << (29 - 8))) == | |||||
1401 | CLIENT_BITS(grab->resource)((grab->resource) & (((1 << 8) - 1) << (29 - 8))))) | |||||
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 << 8) - 1) << (29 - 8))) == | |||||
1412 | CLIENT_BITS(grab->resource)((grab->resource) & (((1 << 8) - 1) << (29 - 8))))) | |||||
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 << 8) - 1) << (29 - 8))) == 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 << 8) - 1) << (29 - 8))) == (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 << 8 ) - 1) << (29 - 8))) == (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 << 8 ) - 1) << (29 - 8))) == (client)->clientAsMask)) | |||||
1751 | devgrabinfo->sync.state = THAWED1; | |||||
1752 | if (devgrabinfo->sync.other && | |||||
1753 | SameClient(devgrabinfo->sync.other, client)((((devgrabinfo->sync.other)->resource) & (((1 << 8) - 1) << (29 - 8))) == (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 << 8 ) - 1) << (29 - 8))) == (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 << 8) - 1) << (29 - 8))) == (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 << 8 ) - 1) << (29 - 8))) == (client)->clientAsMask)) | |||||
1789 | devgrabinfo->sync.state = THAWED1; | |||||
1790 | if (devgrabinfo->sync.other | |||||
1791 | && SameClient(devgrabinfo->sync.other, client)((((devgrabinfo->sync.other)->resource) & (((1 << 8) - 1) << (29 - 8))) == (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 << 8) - 1) << (29 - 8))) == (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 << 8) - 1) << ( 29 - 8))) == (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 << 8 ) - 1) << (29 - 8))) >> (29 - 8)))]), dev, events)) | |||||
2082 | return EVENT_SKIP; | |||||
2083 | ||||||
2084 | if (!XaceHook(XACE_RECEIVE_ACCESS6, wClient(win)(clients[((int)((((win)->drawable.id) & (((1 << 8 ) - 1) << (29 - 8))) >> (29 - 8)))]), win, events, count)) { | |||||
2085 | int attempt = TryClientEvents(wClient(win)(clients[((int)((((win)->drawable.id) & (((1 << 8 ) - 1) << (29 - 8))) >> (29 - 8)))]), 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 << 8) - 1) << (29 - 8))) >> (29 - 8)))]); | |||||
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 << 8) - 1) << (29 - 8))) >> (29 - 8)))]); | |||||
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 << 8) - 1) << ( 29 - 8))) == (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 << 8) - 1) << (29 - 8))) >> (29 - 8)))]), 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 << 8) - 1) << ( 29 - 8))) == (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 << 8) - 1) << (29 - 8))) >> (29 - 8)))]) == 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 << 8) - 1) << (29 - 8))) >> (29 - 8)))]), NullGrab((GrabPtr)((void*)0)), | |||||
2439 | pWin->eventMask, filter); | |||||
2440 | #endif | |||||
2441 | if (XaceHook(XACE_RECEIVE_ACCESS6, wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << 8) - 1) << (29 - 8))) >> (29 - 8)))]), pWin, pEvents, count)) | |||||
2442 | return 1; /* don't send, but pretend we did */ | |||||
2443 | return TryClientEvents(wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << 8) - 1) << (29 - 8))) >> (29 - 8)))]), 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 << 8) - 1) << (29 - 8))) == (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 << 8 ) - 1) << (29 - 8))) >> (29 - 8)))]), NullGrab((GrabPtr)((void*)0)), | |||||
2453 | other->mask, filter); | |||||
2454 | #endif | |||||
2455 | if (XaceHook(XACE_RECEIVE_ACCESS6, rClient(other)(clients[((int)((((other)->resource) & (((1 << 8 ) - 1) << (29 - 8))) >> (29 - 8)))]), pWin, pEvents, | |||||
2456 | count)) | |||||
2457 | return 1; /* don't send, but pretend we did */ | |||||
2458 | return TryClientEvents(rClient(other)(clients[((int)((((other)->resource) & (((1 << 8 ) - 1) << (29 - 8))) >> (29 - 8)))]), 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 << 8) - 1) << (29 - 8))) >> (29 - 8)))]), 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 << 8) - 1) << ( 29 - 8))) == ((clients[((int)((((othergrab)->resource) & (((1 << 8) - 1) << (29 - 8))) >> (29 - 8)) )]))->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 << 8) - 1) << (29 - 8))) >> (29 - 8)))]), | |||||
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 << 8) - 1) << (29 - 8))) >> (29 - 8)))]), dev, xE)) { | |||||
4194 | deliveries = TryClientEvents(rClient(grab)(clients[((int)((((grab)->resource) & (((1 << 8) - 1) << (29 - 8))) >> (29 - 8)))]), 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 << 8) - 1) << (29 - 8))) == | |||||
4278 | CLIENT_BITS(dev->deviceGrab.grab->resource)((dev->deviceGrab.grab->resource) & (((1 << 8 ) - 1) << (29 - 8))))) | |||||
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 << 8) - 1) << (29 - 8))) >> (29 - 8)))]) != 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 << 8) - 1) << (29 - 8))) == (client)->clientAsMask) && (check & others->mask)) | |||||
4422 | return BadAccess10; | |||||
4423 | } | |||||
4424 | } | |||||
4425 | if (wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << 8) - 1) << (29 - 8))) >> (29 - 8)))]) == 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 << 8) - 1) << (29 - 8))) == (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 << 8) - 1) << (29 - 8))) >> (29 - 8)))])); | |||||
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 << 8) - 1) << (29 - 8))) >> (29 - 8)))]), 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 << 8) - 1) << (29 - 8))) >> (29 - 8)))]) : wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << 8) - 1) << (29 - 8))) >> (29 - 8)))]); | |||||
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 << 8) - 1) << (29 - 8))) >> (29 - 8)))]), 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 << 8) - 1) << (29 - 8))) >> (29 - 8)))]), 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 << 8) - 1) << (29 - 8))) >> (29 - 8)))]); | |||||
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 = realloc(focus->trace, | |||||
4790 | focus->traceSize * 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 << 8) - 1) << ( 29 - 8))) == (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 << 8) - 1) << ( 29 - 8))) == (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 << 8) - 1) << ( 29 - 8))) == (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 << 8) - 1) << (29 - 8))) == (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 << 8) - 1) << ( 29 - 8))) == (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 = (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 << 8) - 1) << (29 - 8))) >> (29 - 8)))])->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 << 8) - 1) << (29 - 8))) >> (29 - 8)))]) == 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 << 8) - 1) << (29 - 8))) == (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 << 8) - 1) << ( 29 - 8))) == (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 << 8) - 1) << (29 - 8))) == (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 << 8) - 1) << (29 - 8))) == (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 << 8) - 1) << (29 - 8))) >> (29 - 8))); | |||||
6133 | } |