File: | dix/events.c |
Location: | line 4121, column 17 |
Description: | Value stored to 'deliveries' is never read |
1 | /************************************************************ |
2 | |
3 | Copyright 1987, 1998 The Open Group |
4 | |
5 | Permission to use, copy, modify, distribute, and sell this software and its |
6 | documentation for any purpose is hereby granted without fee, provided that |
7 | the above copyright notice appear in all copies and that both that |
8 | copyright notice and this permission notice appear in supporting |
9 | documentation. |
10 | |
11 | The above copyright notice and this permission notice shall be included in |
12 | all copies or substantial portions of the Software. |
13 | |
14 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
15 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
16 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
17 | OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN |
18 | AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN |
19 | CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
20 | |
21 | Except as contained in this notice, the name of The Open Group shall not be |
22 | used in advertising or otherwise to promote the sale, use or other dealings |
23 | in this Software without prior written authorization from The Open Group. |
24 | |
25 | Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. |
26 | |
27 | All Rights Reserved |
28 | |
29 | Permission to use, copy, modify, and distribute this software and its |
30 | documentation for any purpose and without fee is hereby granted, |
31 | provided that the above copyright notice appear in all copies and that |
32 | both that copyright notice and this permission notice appear in |
33 | supporting documentation, and that the name of Digital not be |
34 | used in advertising or publicity pertaining to distribution of the |
35 | software without specific, written prior permission. |
36 | |
37 | DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING |
38 | ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL |
39 | DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR |
40 | ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, |
41 | WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, |
42 | ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS |
43 | SOFTWARE. |
44 | |
45 | ********************************************************/ |
46 | |
47 | /* The panoramix components contained the following notice */ |
48 | /***************************************************************** |
49 | |
50 | Copyright (c) 1991, 1997 Digital Equipment Corporation, Maynard, Massachusetts. |
51 | |
52 | Permission is hereby granted, free of charge, to any person obtaining a copy |
53 | of this software and associated documentation files (the "Software"), to deal |
54 | in the Software without restriction, including without limitation the rights |
55 | to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
56 | copies of the Software. |
57 | |
58 | The above copyright notice and this permission notice shall be included in |
59 | all copies or substantial portions of the Software. |
60 | |
61 | THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
62 | IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
63 | FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
64 | DIGITAL EQUIPMENT CORPORATION BE LIABLE FOR ANY CLAIM, DAMAGES, INCLUDING, |
65 | BUT NOT LIMITED TO CONSEQUENTIAL OR INCIDENTAL DAMAGES, OR OTHER LIABILITY, |
66 | WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR |
67 | IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
68 | |
69 | Except as contained in this notice, the name of Digital Equipment Corporation |
70 | shall not be used in advertising or otherwise to promote the sale, use or other |
71 | dealings in this Software without prior written authorization from Digital |
72 | Equipment Corporation. |
73 | |
74 | ******************************************************************/ |
75 | |
76 | /* |
77 | * Copyright (c) 2003-2005, Oracle and/or its affiliates. All rights reserved. |
78 | * |
79 | * Permission is hereby granted, free of charge, to any person obtaining a |
80 | * copy of this software and associated documentation files (the "Software"), |
81 | * to deal in the Software without restriction, including without limitation |
82 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
83 | * and/or sell copies of the Software, and to permit persons to whom the |
84 | * Software is furnished to do so, subject to the following conditions: |
85 | * |
86 | * The above copyright notice and this permission notice (including the next |
87 | * paragraph) shall be included in all copies or substantial portions of the |
88 | * Software. |
89 | * |
90 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
91 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
92 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
93 | * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
94 | * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING |
95 | * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER |
96 | * DEALINGS IN THE SOFTWARE. |
97 | */ |
98 | |
99 | /** @file events.c |
100 | * This file handles event delivery and a big part of the server-side protocol |
101 | * handling (the parts for input devices). |
102 | */ |
103 | |
104 | #ifdef HAVE_DIX_CONFIG_H1 |
105 | #include <dix-config.h> |
106 | #endif |
107 | |
108 | #include <X11/X.h> |
109 | #include "misc.h" |
110 | #include "resource.h" |
111 | #include <X11/Xproto.h> |
112 | #include "windowstr.h" |
113 | #include "inputstr.h" |
114 | #include "inpututils.h" |
115 | #include "scrnintstr.h" |
116 | #include "cursorstr.h" |
117 | |
118 | #include "dixstruct.h" |
119 | #ifdef PANORAMIX1 |
120 | #include "panoramiX.h" |
121 | #include "panoramiXsrv.h" |
122 | #endif |
123 | #include "globals.h" |
124 | |
125 | #include <X11/extensions/XKBproto.h> |
126 | #include "xkbsrv.h" |
127 | #include "xace.h" |
128 | #include "probes.h" |
129 | |
130 | #include <X11/extensions/XIproto.h> |
131 | #include <X11/extensions/XI2proto.h> |
132 | #include <X11/extensions/XI.h> |
133 | #include <X11/extensions/XI2.h> |
134 | #include "exglobals.h" |
135 | #include "exevents.h" |
136 | #include "extnsionst.h" |
137 | |
138 | #include "dixevents.h" |
139 | #include "dixgrabs.h" |
140 | #include "dispatch.h" |
141 | |
142 | #include <X11/extensions/ge.h> |
143 | #include "geext.h" |
144 | #include "geint.h" |
145 | |
146 | #include "eventstr.h" |
147 | #include "enterleave.h" |
148 | #include "eventconvert.h" |
149 | #include "mi.h" |
150 | |
151 | /* Extension events type numbering starts at EXTENSION_EVENT_BASE. */ |
152 | #define NoSuchEvent0x80000000 0x80000000 /* so doesn't match NoEventMask */ |
153 | #define StructureAndSubMask( (1L<<17) | (1L<<19) ) ( StructureNotifyMask(1L<<17) | SubstructureNotifyMask(1L<<19) ) |
154 | #define AllButtonsMask( (1<<8) | (1<<9) | (1<<10) | (1<<11) | (1<<12) ) ( \ |
155 | Button1Mask(1<<8) | Button2Mask(1<<9) | Button3Mask(1<<10) | Button4Mask(1<<11) | Button5Mask(1<<12) ) |
156 | #define MotionMask( (1L<<6) | (1L<<8) | (1L<<9) | (1L<< 10) | (1L<<11) | (1L<<12) | (1L<<13) ) ( \ |
157 | PointerMotionMask(1L<<6) | Button1MotionMask(1L<<8) | \ |
158 | Button2MotionMask(1L<<9) | Button3MotionMask(1L<<10) | Button4MotionMask(1L<<11) | \ |
159 | Button5MotionMask(1L<<12) | ButtonMotionMask(1L<<13) ) |
160 | #define PropagateMask( (1L<<0) | (1L<<1) | (1L<<2) | (1L<< 3) | ( (1L<<6) | (1L<<8) | (1L<<9) | (1L<< 10) | (1L<<11) | (1L<<12) | (1L<<13) ) ) ( \ |
161 | KeyPressMask(1L<<0) | KeyReleaseMask(1L<<1) | ButtonPressMask(1L<<2) | ButtonReleaseMask(1L<<3) | \ |
162 | MotionMask( (1L<<6) | (1L<<8) | (1L<<9) | (1L<< 10) | (1L<<11) | (1L<<12) | (1L<<13) ) ) |
163 | #define PointerGrabMask( (1L<<2) | (1L<<3) | (1L<<4) | (1L<< 5) | (1L<<7) | (1L<<14) | ( (1L<<6) | (1L<< 8) | (1L<<9) | (1L<<10) | (1L<<11) | (1L<< 12) | (1L<<13) ) ) ( \ |
164 | ButtonPressMask(1L<<2) | ButtonReleaseMask(1L<<3) | \ |
165 | EnterWindowMask(1L<<4) | LeaveWindowMask(1L<<5) | \ |
166 | PointerMotionHintMask(1L<<7) | KeymapStateMask(1L<<14) | \ |
167 | MotionMask( (1L<<6) | (1L<<8) | (1L<<9) | (1L<< 10) | (1L<<11) | (1L<<12) | (1L<<13) ) ) |
168 | #define AllModifiersMask( (1<<0) | (1<<1) | (1<<2) | (1<<3) | (1<<4) | (1<<5) | (1<<6) | (1<<7) ) ( \ |
169 | ShiftMask(1<<0) | LockMask(1<<1) | ControlMask(1<<2) | Mod1Mask(1<<3) | Mod2Mask(1<<4) | \ |
170 | Mod3Mask(1<<5) | Mod4Mask(1<<6) | Mod5Mask(1<<7) ) |
171 | #define LastEventMask(1L<<24) OwnerGrabButtonMask(1L<<24) |
172 | #define AllEventMasks((1L<<24)|((1L<<24)-1)) (LastEventMask(1L<<24)|(LastEventMask(1L<<24)-1)) |
173 | |
174 | /* @return the core event type or 0 if the event is not a core event */ |
175 | static inline int |
176 | core_get_type(const xEvent *event) |
177 | { |
178 | int type = event->u.u.type; |
179 | |
180 | return ((type & EXTENSION_EVENT_BASE64) || type == GenericEvent35) ? 0 : type; |
181 | } |
182 | |
183 | /* @return the XI2 event type or 0 if the event is not a XI2 event */ |
184 | static inline int |
185 | xi2_get_type(const xEvent *event) |
186 | { |
187 | const xGenericEvent *e = (const xGenericEvent *) event; |
188 | |
189 | return (e->type != GenericEvent35 || |
190 | e->extension != IReqCode) ? 0 : e->evtype; |
191 | } |
192 | |
193 | /** |
194 | * Used to indicate a implicit passive grab created by a ButtonPress event. |
195 | * See DeliverEventsToWindow(). |
196 | */ |
197 | #define ImplicitGrabMask(1 << 7) (1 << 7) |
198 | |
199 | #define WID(w)((w) ? ((w)->drawable.id) : 0) ((w) ? ((w)->drawable.id) : 0) |
200 | |
201 | #define XE_KBPTR(xE->u.keyButtonPointer) (xE->u.keyButtonPointer) |
202 | |
203 | CallbackListPtr EventCallback; |
204 | CallbackListPtr DeviceEventCallback; |
205 | |
206 | #define DNPMCOUNT8 8 |
207 | |
208 | Mask DontPropagateMasks[DNPMCOUNT8]; |
209 | static int DontPropagateRefCnts[DNPMCOUNT8]; |
210 | |
211 | static void CheckVirtualMotion(DeviceIntPtr pDev, QdEventPtr qe, |
212 | WindowPtr pWin); |
213 | static void CheckPhysLimits(DeviceIntPtr pDev, CursorPtr cursor, |
214 | Bool generateEvents, Bool confineToScreen, |
215 | ScreenPtr pScreen); |
216 | static Bool IsWrongPointerBarrierClient(ClientPtr client, |
217 | DeviceIntPtr dev, |
218 | xEvent *event); |
219 | |
220 | /** Key repeat hack. Do not use but in TryClientEvents */ |
221 | extern BOOL EventIsKeyRepeat(xEvent *event); |
222 | |
223 | /** |
224 | * Main input device struct. |
225 | * inputInfo.pointer |
226 | * is the core pointer. Referred to as "virtual core pointer", "VCP", |
227 | * "core pointer" or inputInfo.pointer. The VCP is the first master |
228 | * pointer device and cannot be deleted. |
229 | * |
230 | * inputInfo.keyboard |
231 | * is the core keyboard ("virtual core keyboard", "VCK", "core keyboard"). |
232 | * See inputInfo.pointer. |
233 | * |
234 | * inputInfo.devices |
235 | * linked list containing all devices including VCP and VCK. |
236 | * |
237 | * inputInfo.off_devices |
238 | * Devices that have not been initialized and are thus turned off. |
239 | * |
240 | * inputInfo.numDevices |
241 | * Total number of devices. |
242 | * |
243 | * inputInfo.all_devices |
244 | * Virtual device used for XIAllDevices passive grabs. This device is |
245 | * not part of the inputInfo.devices list and mostly unset except for |
246 | * the deviceid. It exists because passivegrabs need a valid device |
247 | * reference. |
248 | * |
249 | * inputInfo.all_master_devices |
250 | * Virtual device used for XIAllMasterDevices passive grabs. This device |
251 | * is not part of the inputInfo.devices list and mostly unset except for |
252 | * the deviceid. It exists because passivegrabs need a valid device |
253 | * reference. |
254 | */ |
255 | InputInfo inputInfo; |
256 | |
257 | EventSyncInfoRec syncEvents; |
258 | |
259 | static struct DeviceEventTime { |
260 | Bool reset; |
261 | TimeStamp time; |
262 | } lastDeviceEventTime[MAXDEVICES40]; |
263 | |
264 | /** |
265 | * The root window the given device is currently on. |
266 | */ |
267 | #define RootWindow(sprite)sprite->spriteTrace[0] sprite->spriteTrace[0] |
268 | |
269 | static xEvent *swapEvent = NULL((void*)0); |
270 | static int swapEventLen = 0; |
271 | |
272 | void |
273 | NotImplemented(xEvent *from, xEvent *to) |
274 | { |
275 | FatalError("Not implemented"); |
276 | } |
277 | |
278 | /** |
279 | * Convert the given event type from an XI event to a core event. |
280 | * @param[in] The XI 1.x event type. |
281 | * @return The matching core event type or 0 if there is none. |
282 | */ |
283 | int |
284 | XItoCoreType(int xitype) |
285 | { |
286 | int coretype = 0; |
287 | |
288 | if (xitype == DeviceMotionNotify) |
289 | coretype = MotionNotify6; |
290 | else if (xitype == DeviceButtonPress) |
291 | coretype = ButtonPress4; |
292 | else if (xitype == DeviceButtonRelease) |
293 | coretype = ButtonRelease5; |
294 | else if (xitype == DeviceKeyPress) |
295 | coretype = KeyPress2; |
296 | else if (xitype == DeviceKeyRelease) |
297 | coretype = KeyRelease3; |
298 | |
299 | return coretype; |
300 | } |
301 | |
302 | /** |
303 | * @return true if the device owns a cursor, false if device shares a cursor |
304 | * sprite with another device. |
305 | */ |
306 | Bool |
307 | DevHasCursor(DeviceIntPtr pDev) |
308 | { |
309 | return pDev->spriteInfo->spriteOwner; |
310 | } |
311 | |
312 | /* |
313 | * @return true if a device is a pointer, check is the same as used by XI to |
314 | * fill the 'use' field. |
315 | */ |
316 | Bool |
317 | IsPointerDevice(DeviceIntPtr dev) |
318 | { |
319 | return (dev->type == MASTER_POINTER1) || |
320 | (dev->valuator && dev->button) || (dev->valuator && !dev->key); |
321 | } |
322 | |
323 | /* |
324 | * @return true if a device is a keyboard, check is the same as used by XI to |
325 | * fill the 'use' field. |
326 | * |
327 | * Some pointer devices have keys as well (e.g. multimedia keys). Try to not |
328 | * count them as keyboard devices. |
329 | */ |
330 | Bool |
331 | IsKeyboardDevice(DeviceIntPtr dev) |
332 | { |
333 | return (dev->type == MASTER_KEYBOARD2) || |
334 | ((dev->key && dev->kbdfeed) && !IsPointerDevice(dev)); |
335 | } |
336 | |
337 | Bool |
338 | IsMaster(DeviceIntPtr dev) |
339 | { |
340 | return dev->type == MASTER_POINTER1 || dev->type == MASTER_KEYBOARD2; |
341 | } |
342 | |
343 | Bool |
344 | IsFloating(DeviceIntPtr dev) |
345 | { |
346 | return !IsMaster(dev) && GetMaster(dev, MASTER_KEYBOARD2) == NULL((void*)0); |
347 | } |
348 | |
349 | /** |
350 | * Max event opcode. |
351 | */ |
352 | extern int lastEvent; |
353 | |
354 | #define CantBeFiltered0L NoEventMask0L |
355 | /** |
356 | * Event masks for each event type. |
357 | * |
358 | * One set of filters for each device, initialized by memcpy of |
359 | * default_filter in InitEvents. |
360 | * |
361 | * Filters are used whether a given event may be delivered to a client, |
362 | * usually in the form of if (window-event-mask & filter); then deliver event. |
363 | * |
364 | * One notable filter is for PointerMotion/DevicePointerMotion events. Each |
365 | * time a button is pressed, the filter is modified to also contain the |
366 | * matching ButtonXMotion mask. |
367 | */ |
368 | Mask event_filters[MAXDEVICES40][MAXEVENTS128]; |
369 | |
370 | static const Mask default_filter[MAXEVENTS128] = { |
371 | NoSuchEvent0x80000000, /* 0 */ |
372 | NoSuchEvent0x80000000, /* 1 */ |
373 | KeyPressMask(1L<<0), /* KeyPress */ |
374 | KeyReleaseMask(1L<<1), /* KeyRelease */ |
375 | ButtonPressMask(1L<<2), /* ButtonPress */ |
376 | ButtonReleaseMask(1L<<3), /* ButtonRelease */ |
377 | PointerMotionMask(1L<<6), /* MotionNotify (initial state) */ |
378 | EnterWindowMask(1L<<4), /* EnterNotify */ |
379 | LeaveWindowMask(1L<<5), /* LeaveNotify */ |
380 | FocusChangeMask(1L<<21), /* FocusIn */ |
381 | FocusChangeMask(1L<<21), /* FocusOut */ |
382 | KeymapStateMask(1L<<14), /* KeymapNotify */ |
383 | ExposureMask(1L<<15), /* Expose */ |
384 | CantBeFiltered0L, /* GraphicsExpose */ |
385 | CantBeFiltered0L, /* NoExpose */ |
386 | VisibilityChangeMask(1L<<16), /* VisibilityNotify */ |
387 | SubstructureNotifyMask(1L<<19), /* CreateNotify */ |
388 | StructureAndSubMask( (1L<<17) | (1L<<19) ), /* DestroyNotify */ |
389 | StructureAndSubMask( (1L<<17) | (1L<<19) ), /* UnmapNotify */ |
390 | StructureAndSubMask( (1L<<17) | (1L<<19) ), /* MapNotify */ |
391 | SubstructureRedirectMask(1L<<20), /* MapRequest */ |
392 | StructureAndSubMask( (1L<<17) | (1L<<19) ), /* ReparentNotify */ |
393 | StructureAndSubMask( (1L<<17) | (1L<<19) ), /* ConfigureNotify */ |
394 | SubstructureRedirectMask(1L<<20), /* ConfigureRequest */ |
395 | StructureAndSubMask( (1L<<17) | (1L<<19) ), /* GravityNotify */ |
396 | ResizeRedirectMask(1L<<18), /* ResizeRequest */ |
397 | StructureAndSubMask( (1L<<17) | (1L<<19) ), /* CirculateNotify */ |
398 | SubstructureRedirectMask(1L<<20), /* CirculateRequest */ |
399 | PropertyChangeMask(1L<<22), /* PropertyNotify */ |
400 | CantBeFiltered0L, /* SelectionClear */ |
401 | CantBeFiltered0L, /* SelectionRequest */ |
402 | CantBeFiltered0L, /* SelectionNotify */ |
403 | ColormapChangeMask(1L<<23), /* ColormapNotify */ |
404 | CantBeFiltered0L, /* ClientMessage */ |
405 | CantBeFiltered0L /* MappingNotify */ |
406 | }; |
407 | |
408 | /** |
409 | * For the given event, return the matching event filter. This filter may then |
410 | * be AND'ed with the selected event mask. |
411 | * |
412 | * For XI2 events, the returned filter is simply the byte containing the event |
413 | * mask we're interested in. E.g. for a mask of (1 << 13), this would be |
414 | * byte[1]. |
415 | * |
416 | * @param[in] dev The device the event belongs to, may be NULL. |
417 | * @param[in] event The event to get the filter for. Only the type of the |
418 | * event matters, or the extension + evtype for GenericEvents. |
419 | * @return The filter mask for the given event. |
420 | * |
421 | * @see GetEventMask |
422 | */ |
423 | Mask |
424 | GetEventFilter(DeviceIntPtr dev, xEvent *event) |
425 | { |
426 | int evtype = 0; |
427 | |
428 | if (event->u.u.type != GenericEvent35) |
429 | return event_get_filter_from_type(dev, event->u.u.type); |
430 | else if ((evtype = xi2_get_type(event))) |
431 | return event_get_filter_from_xi2type(evtype); |
432 | ErrorF("[dix] Unknown event type %d. No filter\n", event->u.u.type); |
433 | return 0; |
434 | } |
435 | |
436 | /** |
437 | * Return the single byte of the device's XI2 mask that contains the mask |
438 | * for the event_type. |
439 | */ |
440 | int |
441 | GetXI2MaskByte(XI2Mask *mask, DeviceIntPtr dev, int event_type) |
442 | { |
443 | /* we just return the matching filter because that's the only use |
444 | * for this mask anyway. |
445 | */ |
446 | if (xi2mask_isset(mask, dev, event_type)) |
447 | return event_get_filter_from_xi2type(event_type); |
448 | else |
449 | return 0; |
450 | } |
451 | |
452 | /** |
453 | * @return TRUE if the mask is set for this event from this device on the |
454 | * window, or FALSE otherwise. |
455 | */ |
456 | Bool |
457 | WindowXI2MaskIsset(DeviceIntPtr dev, WindowPtr win, xEvent *ev) |
458 | { |
459 | OtherInputMasks *inputMasks = wOtherInputMasks(win)((win)->optional ? (win)->optional->inputMasks : ((void *)0)); |
460 | int evtype; |
461 | |
462 | if (!inputMasks || xi2_get_type(ev) == 0) |
463 | return 0; |
464 | |
465 | evtype = ((xGenericEvent *) ev)->evtype; |
466 | |
467 | return xi2mask_isset(inputMasks->xi2mask, dev, evtype); |
468 | } |
469 | |
470 | Mask |
471 | GetEventMask(DeviceIntPtr dev, xEvent *event, InputClients * other) |
472 | { |
473 | int evtype; |
474 | |
475 | /* XI2 filters are only ever 8 bit, so let's return a 8 bit mask */ |
476 | if ((evtype = xi2_get_type(event))) { |
477 | return GetXI2MaskByte(other->xi2mask, dev, evtype); |
478 | } |
479 | else if (core_get_type(event) != 0) |
480 | return other->mask[XIAllDevices0]; |
481 | else |
482 | return other->mask[dev->id]; |
483 | } |
484 | |
485 | static CARD8 criticalEvents[32] = { |
486 | 0x7c, 0x30, 0x40 /* key, button, expose, and configure events */ |
487 | }; |
488 | |
489 | static void |
490 | SyntheticMotion(DeviceIntPtr dev, int x, int y) |
491 | { |
492 | int screenno = 0; |
493 | |
494 | #ifdef PANORAMIX1 |
495 | if (!noPanoramiXExtension) |
496 | screenno = dev->spriteInfo->sprite->screen->myNum; |
497 | #endif |
498 | PostSyntheticMotion(dev, x, y, screenno, |
499 | (syncEvents.playingEvents) ? syncEvents.time. |
500 | milliseconds : currentTime.milliseconds); |
501 | |
502 | } |
503 | |
504 | #ifdef PANORAMIX1 |
505 | static void PostNewCursor(DeviceIntPtr pDev); |
506 | |
507 | static Bool |
508 | XineramaSetCursorPosition(DeviceIntPtr pDev, int x, int y, Bool generateEvent) |
509 | { |
510 | ScreenPtr pScreen; |
511 | int i; |
512 | SpritePtr pSprite = pDev->spriteInfo->sprite; |
513 | |
514 | /* x,y are in Screen 0 coordinates. We need to decide what Screen |
515 | to send the message too and what the coordinates relative to |
516 | that screen are. */ |
517 | |
518 | pScreen = pSprite->screen; |
519 | x += screenInfo.screens[0]->x; |
520 | y += screenInfo.screens[0]->y; |
521 | |
522 | if (!point_on_screen(pScreen, x, y)) { |
523 | FOR_NSCREENS(i)for(i = 0; i < PanoramiXNumScreens; i++) { |
524 | if (i == pScreen->myNum) |
525 | continue; |
526 | if (point_on_screen(screenInfo.screens[i], x, y)) { |
527 | pScreen = screenInfo.screens[i]; |
528 | break; |
529 | } |
530 | } |
531 | } |
532 | |
533 | pSprite->screen = pScreen; |
534 | pSprite->hotPhys.x = x - screenInfo.screens[0]->x; |
535 | pSprite->hotPhys.y = y - screenInfo.screens[0]->y; |
536 | x -= pScreen->x; |
537 | y -= pScreen->y; |
538 | |
539 | return (*pScreen->SetCursorPosition) (pDev, pScreen, x, y, generateEvent); |
540 | } |
541 | |
542 | static void |
543 | XineramaConstrainCursor(DeviceIntPtr pDev) |
544 | { |
545 | SpritePtr pSprite = pDev->spriteInfo->sprite; |
546 | ScreenPtr pScreen; |
547 | BoxRec newBox; |
548 | |
549 | pScreen = pSprite->screen; |
550 | newBox = pSprite->physLimits; |
551 | |
552 | /* Translate the constraining box to the screen |
553 | the sprite is actually on */ |
554 | newBox.x1 += screenInfo.screens[0]->x - pScreen->x; |
555 | newBox.x2 += screenInfo.screens[0]->x - pScreen->x; |
556 | newBox.y1 += screenInfo.screens[0]->y - pScreen->y; |
557 | newBox.y2 += screenInfo.screens[0]->y - pScreen->y; |
558 | |
559 | (*pScreen->ConstrainCursor) (pDev, pScreen, &newBox); |
560 | } |
561 | |
562 | static Bool |
563 | XineramaSetWindowPntrs(DeviceIntPtr pDev, WindowPtr pWin) |
564 | { |
565 | SpritePtr pSprite = pDev->spriteInfo->sprite; |
566 | |
567 | if (pWin == screenInfo.screens[0]->root) { |
568 | int i; |
569 | |
570 | FOR_NSCREENS(i)for(i = 0; i < PanoramiXNumScreens; i++) |
571 | pSprite->windows[i] = screenInfo.screens[i]->root; |
572 | } |
573 | else { |
574 | PanoramiXRes *win; |
575 | int rc, i; |
576 | |
577 | rc = dixLookupResourceByType((void **) &win, pWin->drawable.id, |
578 | XRT_WINDOW, serverClient, DixReadAccess(1<<0)); |
579 | if (rc != Success0) |
580 | return FALSE0; |
581 | |
582 | FOR_NSCREENS(i)for(i = 0; i < PanoramiXNumScreens; i++) { |
583 | rc = dixLookupWindow(pSprite->windows + i, win->info[i].id, |
584 | serverClient, DixReadAccess(1<<0)); |
585 | if (rc != Success0) /* window is being unmapped */ |
586 | return FALSE0; |
587 | } |
588 | } |
589 | return TRUE1; |
590 | } |
591 | |
592 | static void |
593 | XineramaConfineCursorToWindow(DeviceIntPtr pDev, |
594 | WindowPtr pWin, Bool generateEvents) |
595 | { |
596 | SpritePtr pSprite = pDev->spriteInfo->sprite; |
597 | |
598 | int x, y, off_x, off_y, i; |
599 | |
600 | if (!XineramaSetWindowPntrs(pDev, pWin)) |
601 | return; |
602 | |
603 | i = PanoramiXNumScreens - 1; |
604 | |
605 | RegionCopy(&pSprite->Reg1, &pSprite->windows[i]->borderSize); |
606 | off_x = screenInfo.screens[i]->x; |
607 | off_y = screenInfo.screens[i]->y; |
608 | |
609 | while (i--) { |
610 | x = off_x - screenInfo.screens[i]->x; |
611 | y = off_y - screenInfo.screens[i]->y; |
612 | |
613 | if (x || y) |
614 | RegionTranslate(&pSprite->Reg1, x, y); |
615 | |
616 | RegionUnion(&pSprite->Reg1, &pSprite->Reg1, |
617 | &pSprite->windows[i]->borderSize); |
618 | |
619 | off_x = screenInfo.screens[i]->x; |
620 | off_y = screenInfo.screens[i]->y; |
621 | } |
622 | |
623 | pSprite->hotLimits = *RegionExtents(&pSprite->Reg1); |
624 | |
625 | if (RegionNumRects(&pSprite->Reg1) > 1) |
626 | pSprite->hotShape = &pSprite->Reg1; |
627 | else |
628 | pSprite->hotShape = NullRegion((RegionPtr)0); |
629 | |
630 | pSprite->confined = FALSE0; |
631 | pSprite->confineWin = |
632 | (pWin == screenInfo.screens[0]->root) ? NullWindow((WindowPtr) 0) : pWin; |
633 | |
634 | CheckPhysLimits(pDev, pSprite->current, generateEvents, FALSE0, NULL((void*)0)); |
635 | } |
636 | |
637 | #endif /* PANORAMIX */ |
638 | |
639 | /** |
640 | * Modifies the filter for the given protocol event type to the given masks. |
641 | * |
642 | * There's only two callers: UpdateDeviceState() and XI's SetMaskForExtEvent(). |
643 | * The latter initialises masks for the matching XI events, it's a once-off |
644 | * setting. |
645 | * UDS however changes the mask for MotionNotify and DeviceMotionNotify each |
646 | * time a button is pressed to include the matching ButtonXMotion mask in the |
647 | * filter. |
648 | * |
649 | * @param[in] deviceid The device to modify the filter for. |
650 | * @param[in] mask The new filter mask. |
651 | * @param[in] event Protocol event type. |
652 | */ |
653 | void |
654 | SetMaskForEvent(int deviceid, Mask mask, int event) |
655 | { |
656 | if (deviceid < 0 || deviceid >= MAXDEVICES40) |
657 | FatalError("SetMaskForEvent: bogus device id"); |
658 | event_filters[deviceid][event] = mask; |
659 | } |
660 | |
661 | void |
662 | SetCriticalEvent(int event) |
663 | { |
664 | if (event >= MAXEVENTS128) |
665 | FatalError("SetCriticalEvent: bogus event number"); |
666 | criticalEvents[event >> 3] |= 1 << (event & 7); |
667 | } |
668 | |
669 | void |
670 | ConfineToShape(DeviceIntPtr pDev, RegionPtr shape, int *px, int *py) |
671 | { |
672 | BoxRec box; |
673 | int x = *px, y = *py; |
674 | int incx = 1, incy = 1; |
675 | |
676 | if (RegionContainsPoint(shape, x, y, &box)) |
677 | return; |
678 | box = *RegionExtents(shape); |
679 | /* this is rather crude */ |
680 | do { |
681 | x += incx; |
682 | if (x >= box.x2) { |
683 | incx = -1; |
684 | x = *px - 1; |
685 | } |
686 | else if (x < box.x1) { |
687 | incx = 1; |
688 | x = *px; |
689 | y += incy; |
690 | if (y >= box.y2) { |
691 | incy = -1; |
692 | y = *py - 1; |
693 | } |
694 | else if (y < box.y1) |
695 | return; /* should never get here! */ |
696 | } |
697 | } while (!RegionContainsPoint(shape, x, y, &box)); |
698 | *px = x; |
699 | *py = y; |
700 | } |
701 | |
702 | static void |
703 | CheckPhysLimits(DeviceIntPtr pDev, CursorPtr cursor, Bool generateEvents, |
704 | Bool confineToScreen, /* unused if PanoramiX on */ |
705 | ScreenPtr pScreen) /* unused if PanoramiX on */ |
706 | { |
707 | HotSpot new; |
708 | SpritePtr pSprite = pDev->spriteInfo->sprite; |
709 | |
710 | if (!cursor) |
711 | return; |
712 | new = pSprite->hotPhys; |
713 | #ifdef PANORAMIX1 |
714 | if (!noPanoramiXExtension) |
715 | /* I don't care what the DDX has to say about it */ |
716 | pSprite->physLimits = pSprite->hotLimits; |
717 | else |
718 | #endif |
719 | { |
720 | if (pScreen) |
721 | new.pScreen = pScreen; |
722 | else |
723 | pScreen = new.pScreen; |
724 | (*pScreen->CursorLimits) (pDev, pScreen, cursor, &pSprite->hotLimits, |
725 | &pSprite->physLimits); |
726 | pSprite->confined = confineToScreen; |
727 | (*pScreen->ConstrainCursor) (pDev, pScreen, &pSprite->physLimits); |
728 | } |
729 | |
730 | /* constrain the pointer to those limits */ |
731 | if (new.x < pSprite->physLimits.x1) |
732 | new.x = pSprite->physLimits.x1; |
733 | else if (new.x >= pSprite->physLimits.x2) |
734 | new.x = pSprite->physLimits.x2 - 1; |
735 | if (new.y < pSprite->physLimits.y1) |
736 | new.y = pSprite->physLimits.y1; |
737 | else if (new.y >= pSprite->physLimits.y2) |
738 | new.y = pSprite->physLimits.y2 - 1; |
739 | if (pSprite->hotShape) |
740 | ConfineToShape(pDev, pSprite->hotShape, &new.x, &new.y); |
741 | if (( |
742 | #ifdef PANORAMIX1 |
743 | noPanoramiXExtension && |
744 | #endif |
745 | (pScreen != pSprite->hotPhys.pScreen)) || |
746 | (new.x != pSprite->hotPhys.x) || (new.y != pSprite->hotPhys.y)) { |
747 | #ifdef PANORAMIX1 |
748 | if (!noPanoramiXExtension) |
749 | XineramaSetCursorPosition(pDev, new.x, new.y, generateEvents); |
750 | else |
751 | #endif |
752 | { |
753 | if (pScreen != pSprite->hotPhys.pScreen) |
754 | pSprite->hotPhys = new; |
755 | (*pScreen->SetCursorPosition) |
756 | (pDev, pScreen, new.x, new.y, generateEvents); |
757 | } |
758 | if (!generateEvents) |
759 | SyntheticMotion(pDev, new.x, new.y); |
760 | } |
761 | |
762 | #ifdef PANORAMIX1 |
763 | /* Tell DDX what the limits are */ |
764 | if (!noPanoramiXExtension) |
765 | XineramaConstrainCursor(pDev); |
766 | #endif |
767 | } |
768 | |
769 | static void |
770 | CheckVirtualMotion(DeviceIntPtr pDev, QdEventPtr qe, WindowPtr pWin) |
771 | { |
772 | SpritePtr pSprite = pDev->spriteInfo->sprite; |
773 | RegionPtr reg = NULL((void*)0); |
774 | DeviceEvent *ev = NULL((void*)0); |
775 | |
776 | if (qe) { |
777 | ev = &qe->event->device_event; |
778 | switch (ev->type) { |
779 | case ET_Motion: |
780 | case ET_ButtonPress: |
781 | case ET_ButtonRelease: |
782 | case ET_KeyPress: |
783 | case ET_KeyRelease: |
784 | case ET_ProximityIn: |
785 | case ET_ProximityOut: |
786 | pSprite->hot.pScreen = qe->pScreen; |
787 | pSprite->hot.x = ev->root_x; |
788 | pSprite->hot.y = ev->root_y; |
789 | pWin = |
790 | pDev->deviceGrab.grab ? pDev->deviceGrab.grab-> |
791 | confineTo : NullWindow((WindowPtr) 0); |
792 | break; |
793 | default: |
794 | break; |
795 | } |
796 | } |
797 | if (pWin) { |
798 | BoxRec lims; |
799 | |
800 | #ifdef PANORAMIX1 |
801 | if (!noPanoramiXExtension) { |
802 | int x, y, off_x, off_y, i; |
803 | |
804 | if (!XineramaSetWindowPntrs(pDev, pWin)) |
805 | return; |
806 | |
807 | i = PanoramiXNumScreens - 1; |
808 | |
809 | RegionCopy(&pSprite->Reg2, &pSprite->windows[i]->borderSize); |
810 | off_x = screenInfo.screens[i]->x; |
811 | off_y = screenInfo.screens[i]->y; |
812 | |
813 | while (i--) { |
814 | x = off_x - screenInfo.screens[i]->x; |
815 | y = off_y - screenInfo.screens[i]->y; |
816 | |
817 | if (x || y) |
818 | RegionTranslate(&pSprite->Reg2, x, y); |
819 | |
820 | RegionUnion(&pSprite->Reg2, &pSprite->Reg2, |
821 | &pSprite->windows[i]->borderSize); |
822 | |
823 | off_x = screenInfo.screens[i]->x; |
824 | off_y = screenInfo.screens[i]->y; |
825 | } |
826 | } |
827 | else |
828 | #endif |
829 | { |
830 | if (pSprite->hot.pScreen != pWin->drawable.pScreen) { |
831 | pSprite->hot.pScreen = pWin->drawable.pScreen; |
832 | pSprite->hot.x = pSprite->hot.y = 0; |
833 | } |
834 | } |
835 | |
836 | lims = *RegionExtents(&pWin->borderSize); |
837 | if (pSprite->hot.x < lims.x1) |
838 | pSprite->hot.x = lims.x1; |
839 | else if (pSprite->hot.x >= lims.x2) |
840 | pSprite->hot.x = lims.x2 - 1; |
841 | if (pSprite->hot.y < lims.y1) |
842 | pSprite->hot.y = lims.y1; |
843 | else if (pSprite->hot.y >= lims.y2) |
844 | pSprite->hot.y = lims.y2 - 1; |
845 | |
846 | #ifdef PANORAMIX1 |
847 | if (!noPanoramiXExtension) { |
848 | if (RegionNumRects(&pSprite->Reg2) > 1) |
849 | reg = &pSprite->Reg2; |
850 | |
851 | } |
852 | else |
853 | #endif |
854 | { |
855 | if (wBoundingShape(pWin)((pWin)->optional ? (pWin)->optional->boundingShape : ((void*)0))) |
856 | reg = &pWin->borderSize; |
857 | } |
858 | |
859 | if (reg) |
860 | ConfineToShape(pDev, reg, &pSprite->hot.x, &pSprite->hot.y); |
861 | |
862 | if (qe && ev) { |
863 | qe->pScreen = pSprite->hot.pScreen; |
864 | ev->root_x = pSprite->hot.x; |
865 | ev->root_y = pSprite->hot.y; |
866 | } |
867 | } |
868 | #ifdef PANORAMIX1 |
869 | if (noPanoramiXExtension) /* No typo. Only set the root win if disabled */ |
870 | #endif |
871 | RootWindow(pDev->spriteInfo->sprite)pDev->spriteInfo->sprite->spriteTrace[0] = pSprite->hot.pScreen->root; |
872 | } |
873 | |
874 | static void |
875 | ConfineCursorToWindow(DeviceIntPtr pDev, WindowPtr pWin, Bool generateEvents, |
876 | Bool confineToScreen) |
877 | { |
878 | SpritePtr pSprite = pDev->spriteInfo->sprite; |
879 | |
880 | if (syncEvents.playingEvents) { |
881 | CheckVirtualMotion(pDev, (QdEventPtr) NULL((void*)0), pWin); |
882 | SyntheticMotion(pDev, pSprite->hot.x, pSprite->hot.y); |
883 | } |
884 | else { |
885 | #ifdef PANORAMIX1 |
886 | if (!noPanoramiXExtension) { |
887 | XineramaConfineCursorToWindow(pDev, pWin, generateEvents); |
888 | return; |
889 | } |
890 | #endif |
891 | pSprite->hotLimits = *RegionExtents(&pWin->borderSize); |
892 | pSprite->hotShape = wBoundingShape(pWin)((pWin)->optional ? (pWin)->optional->boundingShape : ((void*)0)) ? &pWin->borderSize |
893 | : NullRegion((RegionPtr)0); |
894 | CheckPhysLimits(pDev, pSprite->current, generateEvents, |
895 | confineToScreen, pWin->drawable.pScreen); |
896 | } |
897 | } |
898 | |
899 | Bool |
900 | PointerConfinedToScreen(DeviceIntPtr pDev) |
901 | { |
902 | return pDev->spriteInfo->sprite->confined; |
903 | } |
904 | |
905 | /** |
906 | * Update the sprite cursor to the given cursor. |
907 | * |
908 | * ChangeToCursor() will display the new cursor and free the old cursor (if |
909 | * applicable). If the provided cursor is already the updated cursor, nothing |
910 | * happens. |
911 | */ |
912 | static void |
913 | ChangeToCursor(DeviceIntPtr pDev, CursorPtr cursor) |
914 | { |
915 | SpritePtr pSprite = pDev->spriteInfo->sprite; |
916 | ScreenPtr pScreen; |
917 | |
918 | if (cursor != pSprite->current) { |
919 | if ((pSprite->current->bits->xhot != cursor->bits->xhot) || |
920 | (pSprite->current->bits->yhot != cursor->bits->yhot)) |
921 | CheckPhysLimits(pDev, cursor, FALSE0, pSprite->confined, |
922 | (ScreenPtr) NULL((void*)0)); |
923 | #ifdef PANORAMIX1 |
924 | /* XXX: is this really necessary?? (whot) */ |
925 | if (!noPanoramiXExtension) |
926 | pScreen = pSprite->screen; |
927 | else |
928 | #endif |
929 | pScreen = pSprite->hotPhys.pScreen; |
930 | |
931 | (*pScreen->DisplayCursor) (pDev, pScreen, cursor); |
932 | FreeCursor(pSprite->current, (Cursor) 0); |
933 | pSprite->current = RefCursor(cursor); |
934 | } |
935 | } |
936 | |
937 | /** |
938 | * @returns true if b is a descendent of a |
939 | */ |
940 | Bool |
941 | IsParent(WindowPtr a, WindowPtr b) |
942 | { |
943 | for (b = b->parent; b; b = b->parent) |
944 | if (b == a) |
945 | return TRUE1; |
946 | return FALSE0; |
947 | } |
948 | |
949 | /** |
950 | * Update the cursor displayed on the screen. |
951 | * |
952 | * Called whenever a cursor may have changed shape or position. |
953 | */ |
954 | static void |
955 | PostNewCursor(DeviceIntPtr pDev) |
956 | { |
957 | WindowPtr win; |
958 | GrabPtr grab = pDev->deviceGrab.grab; |
959 | SpritePtr pSprite = pDev->spriteInfo->sprite; |
960 | CursorPtr pCursor; |
961 | |
962 | if (syncEvents.playingEvents) |
963 | return; |
964 | if (grab) { |
965 | if (grab->cursor) { |
966 | ChangeToCursor(pDev, grab->cursor); |
967 | return; |
968 | } |
969 | if (IsParent(grab->window, pSprite->win)) |
970 | win = pSprite->win; |
971 | else |
972 | win = grab->window; |
973 | } |
974 | else |
975 | win = pSprite->win; |
976 | for (; win; win = win->parent) { |
977 | if (win->optional) { |
978 | pCursor = WindowGetDeviceCursor(win, pDev); |
979 | if (!pCursor && win->optional->cursor != NullCursor((CursorPtr)((void*)0))) |
980 | pCursor = win->optional->cursor; |
981 | if (pCursor) { |
982 | ChangeToCursor(pDev, pCursor); |
983 | return; |
984 | } |
985 | } |
986 | } |
987 | } |
988 | |
989 | /** |
990 | * @param dev device which you want to know its current root window |
991 | * @return root window where dev's sprite is located |
992 | */ |
993 | WindowPtr |
994 | GetCurrentRootWindow(DeviceIntPtr dev) |
995 | { |
996 | return RootWindow(dev->spriteInfo->sprite)dev->spriteInfo->sprite->spriteTrace[0]; |
997 | } |
998 | |
999 | /** |
1000 | * @return window underneath the cursor sprite. |
1001 | */ |
1002 | WindowPtr |
1003 | GetSpriteWindow(DeviceIntPtr pDev) |
1004 | { |
1005 | return pDev->spriteInfo->sprite->win; |
1006 | } |
1007 | |
1008 | /** |
1009 | * @return current sprite cursor. |
1010 | */ |
1011 | CursorPtr |
1012 | GetSpriteCursor(DeviceIntPtr pDev) |
1013 | { |
1014 | return pDev->spriteInfo->sprite->current; |
1015 | } |
1016 | |
1017 | /** |
1018 | * Set x/y current sprite position in screen coordinates. |
1019 | */ |
1020 | void |
1021 | GetSpritePosition(DeviceIntPtr pDev, int *px, int *py) |
1022 | { |
1023 | SpritePtr pSprite = pDev->spriteInfo->sprite; |
1024 | |
1025 | *px = pSprite->hotPhys.x; |
1026 | *py = pSprite->hotPhys.y; |
1027 | } |
1028 | |
1029 | #ifdef PANORAMIX1 |
1030 | int |
1031 | XineramaGetCursorScreen(DeviceIntPtr pDev) |
1032 | { |
1033 | if (!noPanoramiXExtension) { |
1034 | return pDev->spriteInfo->sprite->screen->myNum; |
1035 | } |
1036 | else { |
1037 | return 0; |
1038 | } |
1039 | } |
1040 | #endif /* PANORAMIX */ |
1041 | |
1042 | #define TIMESLOP(5 * 60 * 1000) (5 * 60 * 1000) /* 5 minutes */ |
1043 | |
1044 | static void |
1045 | MonthChangedOrBadTime(CARD32 *ms) |
1046 | { |
1047 | /* If the ddx/OS is careless about not processing timestamped events from |
1048 | * different sources in sorted order, then it's possible for time to go |
1049 | * backwards when it should not. Here we ensure a decent time. |
1050 | */ |
1051 | if ((currentTime.milliseconds - *ms) > TIMESLOP(5 * 60 * 1000)) |
1052 | currentTime.months++; |
1053 | else |
1054 | *ms = currentTime.milliseconds; |
1055 | } |
1056 | |
1057 | void |
1058 | NoticeTime(const DeviceIntPtr dev, TimeStamp time) |
1059 | { |
1060 | currentTime = time; |
1061 | lastDeviceEventTime[XIAllDevices0].time = currentTime; |
1062 | lastDeviceEventTime[dev->id].time = currentTime; |
1063 | |
1064 | LastEventTimeToggleResetFlag(dev->id, TRUE1); |
1065 | LastEventTimeToggleResetFlag(XIAllDevices0, TRUE1); |
1066 | } |
1067 | |
1068 | static void |
1069 | NoticeTimeMillis(const DeviceIntPtr dev, CARD32 *ms) |
1070 | { |
1071 | TimeStamp time; |
1072 | if (*ms < currentTime.milliseconds) |
1073 | MonthChangedOrBadTime(ms); |
1074 | time.months = currentTime.months; |
1075 | time.milliseconds = *ms; |
1076 | NoticeTime(dev, time); |
1077 | } |
1078 | |
1079 | void |
1080 | NoticeEventTime(InternalEvent *ev, DeviceIntPtr dev) |
1081 | { |
1082 | if (!syncEvents.playingEvents) |
1083 | NoticeTimeMillis(dev, &ev->any.time); |
1084 | } |
1085 | |
1086 | TimeStamp |
1087 | LastEventTime(int deviceid) |
1088 | { |
1089 | return lastDeviceEventTime[deviceid].time; |
1090 | } |
1091 | |
1092 | Bool |
1093 | LastEventTimeWasReset(int deviceid) |
1094 | { |
1095 | return lastDeviceEventTime[deviceid].reset; |
1096 | } |
1097 | |
1098 | void |
1099 | LastEventTimeToggleResetFlag(int deviceid, Bool state) |
1100 | { |
1101 | lastDeviceEventTime[deviceid].reset = state; |
1102 | } |
1103 | |
1104 | void |
1105 | LastEventTimeToggleResetAll(Bool state) |
1106 | { |
1107 | DeviceIntPtr dev; |
1108 | nt_list_for_each_entry(dev, inputInfo.devices, next)for (dev = inputInfo.devices; dev; dev = (dev)->next) { |
1109 | LastEventTimeToggleResetFlag(dev->id, FALSE0); |
1110 | } |
1111 | LastEventTimeToggleResetFlag(XIAllDevices0, FALSE0); |
1112 | LastEventTimeToggleResetFlag(XIAllMasterDevices1, FALSE0); |
1113 | } |
1114 | |
1115 | /************************************************************************** |
1116 | * The following procedures deal with synchronous events * |
1117 | **************************************************************************/ |
1118 | |
1119 | /** |
1120 | * EnqueueEvent is a device's processInputProc if a device is frozen. |
1121 | * Instead of delivering the events to the client, the event is tacked onto a |
1122 | * linked list for later delivery. |
1123 | */ |
1124 | void |
1125 | EnqueueEvent(InternalEvent *ev, DeviceIntPtr device) |
1126 | { |
1127 | QdEventPtr tail = NULL((void*)0); |
1128 | QdEventPtr qe; |
1129 | SpritePtr pSprite = device->spriteInfo->sprite; |
1130 | int eventlen; |
1131 | DeviceEvent *event = &ev->device_event; |
1132 | |
1133 | if (!xorg_list_is_empty(&syncEvents.pending)) |
1134 | tail = xorg_list_last_entry(&syncEvents.pending, QdEventRec, next)(QdEventRec *)((char *)((&syncEvents.pending)->prev) - __builtin_offsetof(QdEventRec, next)); |
1135 | |
1136 | NoticeTimeMillis(device, &ev->any.time); |
1137 | |
1138 | /* Fix for key repeating bug. */ |
1139 | if (device->key != NULL((void*)0) && device->key->xkbInfo != NULL((void*)0) && |
1140 | event->type == ET_KeyRelease) |
1141 | AccessXCancelRepeatKey(device->key->xkbInfo, event->detail.key); |
1142 | |
1143 | if (DeviceEventCallback) { |
1144 | DeviceEventInfoRec eventinfo; |
1145 | |
1146 | /* The RECORD spec says that the root window field of motion events |
1147 | * must be valid. At this point, it hasn't been filled in yet, so |
1148 | * we do it here. The long expression below is necessary to get |
1149 | * the current root window; the apparently reasonable alternative |
1150 | * GetCurrentRootWindow()->drawable.id doesn't give you the right |
1151 | * answer on the first motion event after a screen change because |
1152 | * the data that GetCurrentRootWindow relies on hasn't been |
1153 | * updated yet. |
1154 | */ |
1155 | if (ev->any.type == ET_Motion) |
1156 | ev->device_event.root = pSprite->hotPhys.pScreen->root->drawable.id; |
1157 | |
1158 | eventinfo.event = ev; |
1159 | eventinfo.device = device; |
1160 | CallCallbacks(&DeviceEventCallback, (void *) &eventinfo); |
1161 | } |
1162 | |
1163 | if (event->type == ET_Motion) { |
1164 | #ifdef PANORAMIX1 |
1165 | if (!noPanoramiXExtension) { |
1166 | event->root_x += pSprite->screen->x - screenInfo.screens[0]->x; |
1167 | event->root_y += pSprite->screen->y - screenInfo.screens[0]->y; |
1168 | } |
1169 | #endif |
1170 | pSprite->hotPhys.x = event->root_x; |
1171 | pSprite->hotPhys.y = event->root_y; |
1172 | /* do motion compression, but not if from different devices */ |
1173 | if (tail && |
1174 | (tail->event->any.type == ET_Motion) && |
1175 | (tail->device == device) && |
1176 | (tail->pScreen == pSprite->hotPhys.pScreen)) { |
1177 | DeviceEvent *tailev = &tail->event->device_event; |
1178 | |
1179 | tailev->root_x = pSprite->hotPhys.x; |
1180 | tailev->root_y = pSprite->hotPhys.y; |
1181 | tailev->time = event->time; |
1182 | tail->months = currentTime.months; |
1183 | return; |
1184 | } |
1185 | } |
1186 | |
1187 | eventlen = event->length; |
1188 | |
1189 | qe = malloc(sizeof(QdEventRec) + eventlen); |
1190 | if (!qe) |
1191 | return; |
1192 | xorg_list_init(&qe->next); |
1193 | qe->device = device; |
1194 | qe->pScreen = pSprite->hotPhys.pScreen; |
1195 | qe->months = currentTime.months; |
1196 | qe->event = (InternalEvent *) (qe + 1); |
1197 | memcpy(qe->event, event, eventlen)__builtin___memcpy_chk (qe->event, event, eventlen, __builtin_object_size (qe->event, 0)); |
1198 | xorg_list_append(&qe->next, &syncEvents.pending); |
1199 | } |
1200 | |
1201 | /** |
1202 | * Run through the list of events queued up in syncEvents. |
1203 | * For each event do: |
1204 | * If the device for this event is not frozen anymore, take it and process it |
1205 | * as usually. |
1206 | * After that, check if there's any devices in the list that are not frozen. |
1207 | * If there is none, we're done. If there is at least one device that is not |
1208 | * frozen, then re-run from the beginning of the event queue. |
1209 | */ |
1210 | void |
1211 | PlayReleasedEvents(void) |
1212 | { |
1213 | QdEventPtr tmp; |
1214 | QdEventPtr qe; |
1215 | DeviceIntPtr dev; |
1216 | DeviceIntPtr pDev; |
1217 | |
1218 | restart: |
1219 | xorg_list_for_each_entry_safe(qe, tmp, &syncEvents.pending, next)for (qe = ((void*)0), qe = (typeof(*qe) *)((char *)((&syncEvents .pending)->next) - __builtin_offsetof(typeof(*qe), next)), tmp = (typeof(*qe) *)((char *)(qe->next.next) - __builtin_offsetof (typeof(*qe), next)); &qe->next != (&syncEvents.pending ); qe = tmp, tmp = (typeof(*tmp) *)((char *)(qe->next.next ) - __builtin_offsetof(typeof(*tmp), next))) { |
1220 | if (!qe->device->deviceGrab.sync.frozen) { |
1221 | xorg_list_del(&qe->next); |
1222 | pDev = qe->device; |
1223 | if (qe->event->any.type == ET_Motion) |
1224 | CheckVirtualMotion(pDev, qe, NullWindow((WindowPtr) 0)); |
1225 | syncEvents.time.months = qe->months; |
1226 | syncEvents.time.milliseconds = qe->event->any.time; |
1227 | #ifdef PANORAMIX1 |
1228 | /* Translate back to the sprite screen since processInputProc |
1229 | will translate from sprite screen to screen 0 upon reentry |
1230 | to the DIX layer */ |
1231 | if (!noPanoramiXExtension) { |
1232 | DeviceEvent *ev = &qe->event->device_event; |
1233 | |
1234 | switch (ev->type) { |
1235 | case ET_Motion: |
1236 | case ET_ButtonPress: |
1237 | case ET_ButtonRelease: |
1238 | case ET_KeyPress: |
1239 | case ET_KeyRelease: |
1240 | case ET_ProximityIn: |
1241 | case ET_ProximityOut: |
1242 | case ET_TouchBegin: |
1243 | case ET_TouchUpdate: |
1244 | case ET_TouchEnd: |
1245 | ev->root_x += screenInfo.screens[0]->x - |
1246 | pDev->spriteInfo->sprite->screen->x; |
1247 | ev->root_y += screenInfo.screens[0]->y - |
1248 | pDev->spriteInfo->sprite->screen->y; |
1249 | break; |
1250 | default: |
1251 | break; |
1252 | } |
1253 | |
1254 | } |
1255 | #endif |
1256 | (*qe->device->public.processInputProc) (qe->event, qe->device); |
1257 | free(qe); |
1258 | for (dev = inputInfo.devices; dev && dev->deviceGrab.sync.frozen; |
1259 | dev = dev->next); |
1260 | if (!dev) |
1261 | break; |
1262 | |
1263 | /* Playing the event may have unfrozen another device. */ |
1264 | /* So to play it safe, restart at the head of the queue */ |
1265 | goto restart; |
1266 | } |
1267 | } |
1268 | } |
1269 | |
1270 | /** |
1271 | * Freeze or thaw the given devices. The device's processing proc is |
1272 | * switched to either the real processing proc (in case of thawing) or an |
1273 | * enqueuing processing proc (usually EnqueueEvent()). |
1274 | * |
1275 | * @param dev The device to freeze/thaw |
1276 | * @param frozen True to freeze or false to thaw. |
1277 | */ |
1278 | static void |
1279 | FreezeThaw(DeviceIntPtr dev, Bool frozen) |
1280 | { |
1281 | dev->deviceGrab.sync.frozen = frozen; |
1282 | if (frozen) |
1283 | dev->public.processInputProc = dev->public.enqueueInputProc; |
1284 | else |
1285 | dev->public.processInputProc = dev->public.realInputProc; |
1286 | } |
1287 | |
1288 | /** |
1289 | * Unfreeze devices and replay all events to the respective clients. |
1290 | * |
1291 | * ComputeFreezes takes the first event in the device's frozen event queue. It |
1292 | * runs up the sprite tree (spriteTrace) and searches for the window to replay |
1293 | * the events from. If it is found, it checks for passive grabs one down from |
1294 | * the window or delivers the events. |
1295 | */ |
1296 | static void |
1297 | ComputeFreezes(void) |
1298 | { |
1299 | DeviceIntPtr replayDev = syncEvents.replayDev; |
1300 | WindowPtr w; |
1301 | GrabPtr grab; |
1302 | DeviceIntPtr dev; |
1303 | |
1304 | for (dev = inputInfo.devices; dev; dev = dev->next) |
1305 | FreezeThaw(dev, dev->deviceGrab.sync.other || |
1306 | (dev->deviceGrab.sync.state >= FROZEN5)); |
1307 | if (syncEvents.playingEvents || |
1308 | (!replayDev && xorg_list_is_empty(&syncEvents.pending))) |
1309 | return; |
1310 | syncEvents.playingEvents = TRUE1; |
1311 | if (replayDev) { |
1312 | DeviceEvent *event = replayDev->deviceGrab.sync.event; |
1313 | |
1314 | syncEvents.replayDev = (DeviceIntPtr) NULL((void*)0); |
1315 | |
1316 | w = XYToWindow(replayDev->spriteInfo->sprite, |
1317 | event->root_x, event->root_y); |
1318 | if (!CheckDeviceGrabs(replayDev, event, syncEvents.replayWin)) { |
1319 | if (IsTouchEvent((InternalEvent *) event)) { |
1320 | TouchPointInfoPtr ti = |
1321 | TouchFindByClientID(replayDev, event->touchid); |
1322 | BUG_WARN(!ti)do { if (!ti) { ErrorFSigSafe("BUG: triggered 'if (" "!ti" ")'\n" ); ErrorFSigSafe("BUG: %s:%u in %s()\n", "events.c", 1322, __func__ ); if (0) ErrorFSigSafe(((void*)0)); xorg_backtrace(); } } while (0); |
1323 | |
1324 | TouchListenerAcceptReject(replayDev, ti, 0, XIRejectTouch7); |
1325 | } |
1326 | else if (replayDev->focus && |
1327 | !IsPointerEvent((InternalEvent *) event)) |
1328 | DeliverFocusedEvent(replayDev, (InternalEvent *) event, w); |
1329 | else |
1330 | DeliverDeviceEvents(w, (InternalEvent *) event, NullGrab((GrabPtr)((void*)0)), |
1331 | NullWindow((WindowPtr) 0), replayDev); |
1332 | } |
1333 | } |
1334 | for (dev = inputInfo.devices; dev; dev = dev->next) { |
1335 | if (!dev->deviceGrab.sync.frozen) { |
1336 | PlayReleasedEvents(); |
1337 | break; |
1338 | } |
1339 | } |
1340 | syncEvents.playingEvents = FALSE0; |
1341 | for (dev = inputInfo.devices; dev; dev = dev->next) { |
1342 | if (DevHasCursor(dev)) { |
1343 | /* the following may have been skipped during replay, |
1344 | so do it now */ |
1345 | if ((grab = dev->deviceGrab.grab) && grab->confineTo) { |
1346 | if (grab->confineTo->drawable.pScreen != |
1347 | dev->spriteInfo->sprite->hotPhys.pScreen) |
1348 | dev->spriteInfo->sprite->hotPhys.x = |
1349 | dev->spriteInfo->sprite->hotPhys.y = 0; |
1350 | ConfineCursorToWindow(dev, grab->confineTo, TRUE1, TRUE1); |
1351 | } |
1352 | else |
1353 | ConfineCursorToWindow(dev, |
1354 | dev->spriteInfo->sprite->hotPhys.pScreen-> |
1355 | root, TRUE1, FALSE0); |
1356 | PostNewCursor(dev); |
1357 | } |
1358 | } |
1359 | } |
1360 | |
1361 | #ifdef RANDR1 |
1362 | void |
1363 | ScreenRestructured(ScreenPtr pScreen) |
1364 | { |
1365 | GrabPtr grab; |
1366 | DeviceIntPtr pDev; |
1367 | |
1368 | for (pDev = inputInfo.devices; pDev; pDev = pDev->next) { |
1369 | if (!IsFloating(pDev) && !DevHasCursor(pDev)) |
1370 | continue; |
1371 | |
1372 | /* GrabDevice doesn't have a confineTo field, so we don't need to |
1373 | * worry about it. */ |
1374 | if ((grab = pDev->deviceGrab.grab) && grab->confineTo) { |
1375 | if (grab->confineTo->drawable.pScreen |
1376 | != pDev->spriteInfo->sprite->hotPhys.pScreen) |
1377 | pDev->spriteInfo->sprite->hotPhys.x = |
1378 | pDev->spriteInfo->sprite->hotPhys.y = 0; |
1379 | ConfineCursorToWindow(pDev, grab->confineTo, TRUE1, TRUE1); |
1380 | } |
1381 | else |
1382 | ConfineCursorToWindow(pDev, |
1383 | pDev->spriteInfo->sprite->hotPhys.pScreen-> |
1384 | root, TRUE1, FALSE0); |
1385 | } |
1386 | } |
1387 | #endif |
1388 | |
1389 | static void |
1390 | CheckGrabForSyncs(DeviceIntPtr thisDev, Bool thisMode, Bool otherMode) |
1391 | { |
1392 | GrabPtr grab = thisDev->deviceGrab.grab; |
1393 | DeviceIntPtr dev; |
1394 | |
1395 | if (thisMode == GrabModeSync0) |
1396 | thisDev->deviceGrab.sync.state = FROZEN_NO_EVENT5; |
1397 | else { /* free both if same client owns both */ |
1398 | thisDev->deviceGrab.sync.state = THAWED1; |
1399 | if (thisDev->deviceGrab.sync.other && |
1400 | (CLIENT_BITS(thisDev->deviceGrab.sync.other->resource)((thisDev->deviceGrab.sync.other->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) == |
1401 | CLIENT_BITS(grab->resource)((grab->resource) & (((1 << ResourceClientBits() ) - 1) << (29 - ResourceClientBits()))))) |
1402 | thisDev->deviceGrab.sync.other = NullGrab((GrabPtr)((void*)0)); |
1403 | } |
1404 | |
1405 | if (IsMaster(thisDev)) { |
1406 | dev = GetPairedDevice(thisDev); |
1407 | if (otherMode == GrabModeSync0) |
1408 | dev->deviceGrab.sync.other = grab; |
1409 | else { /* free both if same client owns both */ |
1410 | if (dev->deviceGrab.sync.other && |
1411 | (CLIENT_BITS(dev->deviceGrab.sync.other->resource)((dev->deviceGrab.sync.other->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) == |
1412 | CLIENT_BITS(grab->resource)((grab->resource) & (((1 << ResourceClientBits() ) - 1) << (29 - ResourceClientBits()))))) |
1413 | dev->deviceGrab.sync.other = NullGrab((GrabPtr)((void*)0)); |
1414 | } |
1415 | } |
1416 | ComputeFreezes(); |
1417 | } |
1418 | |
1419 | /** |
1420 | * Save the device's master device id. This needs to be done |
1421 | * if a client directly grabs a slave device that is attached to a master. For |
1422 | * the duration of the grab, the device is detached, ungrabbing re-attaches it |
1423 | * though. |
1424 | * |
1425 | * We store the ID of the master device only in case the master disappears |
1426 | * while the device has a grab. |
1427 | */ |
1428 | static void |
1429 | DetachFromMaster(DeviceIntPtr dev) |
1430 | { |
1431 | if (IsFloating(dev)) |
1432 | return; |
1433 | |
1434 | dev->saved_master_id = GetMaster(dev, MASTER_ATTACHED4)->id; |
1435 | |
1436 | AttachDevice(NULL((void*)0), dev, NULL((void*)0)); |
1437 | } |
1438 | |
1439 | static void |
1440 | ReattachToOldMaster(DeviceIntPtr dev) |
1441 | { |
1442 | DeviceIntPtr master = NULL((void*)0); |
1443 | |
1444 | if (IsMaster(dev)) |
1445 | return; |
1446 | |
1447 | dixLookupDevice(&master, dev->saved_master_id, serverClient, DixUseAccess(1<<24)); |
1448 | |
1449 | if (master) { |
1450 | AttachDevice(serverClient, dev, master); |
1451 | dev->saved_master_id = 0; |
1452 | } |
1453 | } |
1454 | |
1455 | /** |
1456 | * Update touch records when an explicit grab is activated. Any touches owned by |
1457 | * the grabbing client are updated so the listener state reflects the new grab. |
1458 | */ |
1459 | static void |
1460 | UpdateTouchesForGrab(DeviceIntPtr mouse) |
1461 | { |
1462 | int i; |
1463 | |
1464 | if (!mouse->touch || mouse->deviceGrab.fromPassiveGrab) |
1465 | return; |
1466 | |
1467 | for (i = 0; i < mouse->touch->num_touches; i++) { |
1468 | TouchPointInfoPtr ti = mouse->touch->touches + i; |
1469 | TouchListener *listener = &ti->listeners[0]; |
1470 | GrabPtr grab = mouse->deviceGrab.grab; |
1471 | |
1472 | if (ti->active && |
1473 | CLIENT_BITS(listener->listener)((listener->listener) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == grab->resource) { |
1474 | listener->listener = grab->resource; |
1475 | listener->level = grab->grabtype; |
1476 | listener->state = LISTENER_IS_OWNER; |
1477 | listener->window = grab->window; |
1478 | |
1479 | if (grab->grabtype == CORE || grab->grabtype == XI || |
1480 | !xi2mask_isset(grab->xi2mask, mouse, XI_TouchBegin18)) |
1481 | listener->type = LISTENER_POINTER_GRAB; |
1482 | else |
1483 | listener->type = LISTENER_GRAB; |
1484 | if (listener->grab) |
1485 | FreeGrab(listener->grab); |
1486 | listener->grab = AllocGrab(grab); |
1487 | } |
1488 | } |
1489 | } |
1490 | |
1491 | /** |
1492 | * Activate a pointer grab on the given device. A pointer grab will cause all |
1493 | * core pointer events of this device to be delivered to the grabbing client only. |
1494 | * No other device will send core events to the grab client while the grab is |
1495 | * on, but core events will be sent to other clients. |
1496 | * Can cause the cursor to change if a grab cursor is set. |
1497 | * |
1498 | * Note that parameter autoGrab may be (True & ImplicitGrabMask) if the grab |
1499 | * is an implicit grab caused by a ButtonPress event. |
1500 | * |
1501 | * @param mouse The device to grab. |
1502 | * @param grab The grab structure, needs to be setup. |
1503 | * @param autoGrab True if the grab was caused by a button down event and not |
1504 | * explicitely by a client. |
1505 | */ |
1506 | void |
1507 | ActivatePointerGrab(DeviceIntPtr mouse, GrabPtr grab, |
1508 | TimeStamp time, Bool autoGrab) |
1509 | { |
1510 | GrabInfoPtr grabinfo = &mouse->deviceGrab; |
1511 | GrabPtr oldgrab = grabinfo->grab; |
1512 | WindowPtr oldWin = (grabinfo->grab) ? |
1513 | grabinfo->grab->window : mouse->spriteInfo->sprite->win; |
1514 | Bool isPassive = autoGrab & ~ImplicitGrabMask(1 << 7); |
1515 | |
1516 | /* slave devices need to float for the duration of the grab. */ |
1517 | if (grab->grabtype == XI2 && |
1518 | !(autoGrab & ImplicitGrabMask(1 << 7)) && !IsMaster(mouse)) |
1519 | DetachFromMaster(mouse); |
1520 | |
1521 | if (grab->confineTo) { |
1522 | if (grab->confineTo->drawable.pScreen |
1523 | != mouse->spriteInfo->sprite->hotPhys.pScreen) |
1524 | mouse->spriteInfo->sprite->hotPhys.x = |
1525 | mouse->spriteInfo->sprite->hotPhys.y = 0; |
1526 | ConfineCursorToWindow(mouse, grab->confineTo, FALSE0, TRUE1); |
1527 | } |
1528 | DoEnterLeaveEvents(mouse, mouse->id, oldWin, grab->window, NotifyGrab1); |
1529 | mouse->valuator->motionHintWindow = NullWindow((WindowPtr) 0); |
1530 | if (syncEvents.playingEvents) |
1531 | grabinfo->grabTime = syncEvents.time; |
1532 | else |
1533 | grabinfo->grabTime = time; |
1534 | grabinfo->grab = AllocGrab(grab); |
1535 | grabinfo->fromPassiveGrab = isPassive; |
1536 | grabinfo->implicitGrab = autoGrab & ImplicitGrabMask(1 << 7); |
1537 | PostNewCursor(mouse); |
1538 | UpdateTouchesForGrab(mouse); |
1539 | CheckGrabForSyncs(mouse, (Bool) grab->pointerMode, |
1540 | (Bool) grab->keyboardMode); |
1541 | if (oldgrab) |
1542 | FreeGrab(oldgrab); |
1543 | } |
1544 | |
1545 | /** |
1546 | * Delete grab on given device, update the sprite. |
1547 | * |
1548 | * Extension devices are set up for ActivateKeyboardGrab(). |
1549 | */ |
1550 | void |
1551 | DeactivatePointerGrab(DeviceIntPtr mouse) |
1552 | { |
1553 | GrabPtr grab = mouse->deviceGrab.grab; |
1554 | DeviceIntPtr dev; |
1555 | Bool wasPassive = mouse->deviceGrab.fromPassiveGrab; |
1556 | Bool wasImplicit = (mouse->deviceGrab.fromPassiveGrab && |
1557 | mouse->deviceGrab.implicitGrab); |
1558 | XID grab_resource = grab->resource; |
1559 | int i; |
1560 | |
1561 | /* If an explicit grab was deactivated, we must remove it from the head of |
1562 | * all the touches' listener lists. */ |
1563 | for (i = 0; !wasPassive && mouse->touch && i < mouse->touch->num_touches; i++) { |
1564 | TouchPointInfoPtr ti = mouse->touch->touches + i; |
1565 | if (ti->active && TouchResourceIsOwner(ti, grab_resource)) { |
1566 | int mode = XIRejectTouch7; |
1567 | /* Rejecting will generate a TouchEnd, but we must not |
1568 | emulate a ButtonRelease here. So pretend the listener |
1569 | already has the end event */ |
1570 | if (grab->grabtype == CORE || grab->grabtype == XI || |
1571 | !xi2mask_isset(mouse->deviceGrab.grab->xi2mask, mouse, XI_TouchBegin18)) { |
1572 | mode = XIAcceptTouch6; |
1573 | /* NOTE: we set the state here, but |
1574 | * ProcessTouchOwnershipEvent() will still call |
1575 | * TouchEmitTouchEnd for this listener. The other half of |
1576 | * this hack is in DeliverTouchEndEvent */ |
1577 | ti->listeners[0].state = LISTENER_HAS_END; |
1578 | } |
1579 | TouchListenerAcceptReject(mouse, ti, 0, mode); |
1580 | } |
1581 | } |
1582 | |
1583 | TouchRemovePointerGrab(mouse); |
1584 | |
1585 | mouse->valuator->motionHintWindow = NullWindow((WindowPtr) 0); |
1586 | mouse->deviceGrab.grab = NullGrab((GrabPtr)((void*)0)); |
1587 | mouse->deviceGrab.sync.state = NOT_GRABBED0; |
1588 | mouse->deviceGrab.fromPassiveGrab = FALSE0; |
1589 | |
1590 | for (dev = inputInfo.devices; dev; dev = dev->next) { |
1591 | if (dev->deviceGrab.sync.other == grab) |
1592 | dev->deviceGrab.sync.other = NullGrab((GrabPtr)((void*)0)); |
1593 | } |
1594 | DoEnterLeaveEvents(mouse, mouse->id, grab->window, |
1595 | mouse->spriteInfo->sprite->win, NotifyUngrab2); |
1596 | if (grab->confineTo) |
1597 | ConfineCursorToWindow(mouse, GetCurrentRootWindow(mouse), FALSE0, FALSE0); |
1598 | PostNewCursor(mouse); |
1599 | |
1600 | if (!wasImplicit && grab->grabtype == XI2) |
1601 | ReattachToOldMaster(mouse); |
1602 | |
1603 | ComputeFreezes(); |
1604 | |
1605 | FreeGrab(grab); |
1606 | } |
1607 | |
1608 | /** |
1609 | * Activate a keyboard grab on the given device. |
1610 | * |
1611 | * Extension devices have ActivateKeyboardGrab() set as their grabbing proc. |
1612 | */ |
1613 | void |
1614 | ActivateKeyboardGrab(DeviceIntPtr keybd, GrabPtr grab, TimeStamp time, |
1615 | Bool passive) |
1616 | { |
1617 | GrabInfoPtr grabinfo = &keybd->deviceGrab; |
1618 | GrabPtr oldgrab = grabinfo->grab; |
1619 | WindowPtr oldWin; |
1620 | |
1621 | /* slave devices need to float for the duration of the grab. */ |
1622 | if (grab->grabtype == XI2 && keybd->enabled && |
1623 | !(passive & ImplicitGrabMask(1 << 7)) && !IsMaster(keybd)) |
1624 | DetachFromMaster(keybd); |
1625 | |
1626 | if (!keybd->enabled) |
1627 | oldWin = NULL((void*)0); |
1628 | else if (grabinfo->grab) |
1629 | oldWin = grabinfo->grab->window; |
1630 | else if (keybd->focus) |
1631 | oldWin = keybd->focus->win; |
1632 | else |
1633 | oldWin = keybd->spriteInfo->sprite->win; |
1634 | if (oldWin == FollowKeyboardWin((WindowPtr) 3)) |
1635 | oldWin = keybd->focus->win; |
1636 | if (keybd->valuator) |
1637 | keybd->valuator->motionHintWindow = NullWindow((WindowPtr) 0); |
1638 | if (oldWin) |
1639 | DoFocusEvents(keybd, oldWin, grab->window, NotifyGrab1); |
1640 | if (syncEvents.playingEvents) |
1641 | grabinfo->grabTime = syncEvents.time; |
1642 | else |
1643 | grabinfo->grabTime = time; |
1644 | grabinfo->grab = AllocGrab(grab); |
1645 | grabinfo->fromPassiveGrab = passive; |
1646 | grabinfo->implicitGrab = passive & ImplicitGrabMask(1 << 7); |
1647 | CheckGrabForSyncs(keybd, (Bool) grab->keyboardMode, |
1648 | (Bool) grab->pointerMode); |
1649 | if (oldgrab) |
1650 | FreeGrab(oldgrab); |
1651 | } |
1652 | |
1653 | /** |
1654 | * Delete keyboard grab for the given device. |
1655 | */ |
1656 | void |
1657 | DeactivateKeyboardGrab(DeviceIntPtr keybd) |
1658 | { |
1659 | GrabPtr grab = keybd->deviceGrab.grab; |
1660 | DeviceIntPtr dev; |
1661 | WindowPtr focusWin; |
1662 | Bool wasImplicit = (keybd->deviceGrab.fromPassiveGrab && |
1663 | keybd->deviceGrab.implicitGrab); |
1664 | |
1665 | if (keybd->valuator) |
1666 | keybd->valuator->motionHintWindow = NullWindow((WindowPtr) 0); |
1667 | keybd->deviceGrab.grab = NullGrab((GrabPtr)((void*)0)); |
1668 | keybd->deviceGrab.sync.state = NOT_GRABBED0; |
1669 | keybd->deviceGrab.fromPassiveGrab = FALSE0; |
1670 | |
1671 | for (dev = inputInfo.devices; dev; dev = dev->next) { |
1672 | if (dev->deviceGrab.sync.other == grab) |
1673 | dev->deviceGrab.sync.other = NullGrab((GrabPtr)((void*)0)); |
1674 | } |
1675 | |
1676 | if (keybd->focus) |
1677 | focusWin = keybd->focus->win; |
1678 | else if (keybd->spriteInfo->sprite) |
1679 | focusWin = keybd->spriteInfo->sprite->win; |
1680 | else |
1681 | focusWin = NullWindow((WindowPtr) 0); |
1682 | |
1683 | if (focusWin == FollowKeyboardWin((WindowPtr) 3)) |
1684 | focusWin = inputInfo.keyboard->focus->win; |
1685 | |
1686 | DoFocusEvents(keybd, grab->window, focusWin, NotifyUngrab2); |
1687 | |
1688 | if (!wasImplicit && grab->grabtype == XI2) |
1689 | ReattachToOldMaster(keybd); |
1690 | |
1691 | ComputeFreezes(); |
1692 | |
1693 | FreeGrab(grab); |
1694 | } |
1695 | |
1696 | void |
1697 | AllowSome(ClientPtr client, TimeStamp time, DeviceIntPtr thisDev, int newState) |
1698 | { |
1699 | Bool thisGrabbed, otherGrabbed, othersFrozen, thisSynced; |
1700 | TimeStamp grabTime; |
1701 | DeviceIntPtr dev; |
1702 | GrabInfoPtr devgrabinfo, grabinfo = &thisDev->deviceGrab; |
1703 | |
1704 | thisGrabbed = grabinfo->grab && SameClient(grabinfo->grab, client)((((grabinfo->grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask); |
1705 | thisSynced = FALSE0; |
1706 | otherGrabbed = FALSE0; |
1707 | othersFrozen = FALSE0; |
1708 | grabTime = grabinfo->grabTime; |
1709 | for (dev = inputInfo.devices; dev; dev = dev->next) { |
1710 | devgrabinfo = &dev->deviceGrab; |
1711 | |
1712 | if (dev == thisDev) |
1713 | continue; |
1714 | if (devgrabinfo->grab && SameClient(devgrabinfo->grab, client)((((devgrabinfo->grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) { |
1715 | if (!(thisGrabbed || otherGrabbed) || |
1716 | (CompareTimeStamps(devgrabinfo->grabTime, grabTime) == LATER1)) |
1717 | grabTime = devgrabinfo->grabTime; |
1718 | otherGrabbed = TRUE1; |
1719 | if (grabinfo->sync.other == devgrabinfo->grab) |
1720 | thisSynced = TRUE1; |
1721 | if (devgrabinfo->sync.state >= FROZEN5) |
1722 | othersFrozen = TRUE1; |
1723 | } |
1724 | } |
1725 | if (!((thisGrabbed && grabinfo->sync.state >= FROZEN5) || thisSynced)) |
1726 | return; |
1727 | if ((CompareTimeStamps(time, currentTime) == LATER1) || |
1728 | (CompareTimeStamps(time, grabTime) == EARLIER-1)) |
1729 | return; |
1730 | switch (newState) { |
1731 | case THAWED1: /* Async */ |
1732 | if (thisGrabbed) |
1733 | grabinfo->sync.state = THAWED1; |
1734 | if (thisSynced) |
1735 | grabinfo->sync.other = NullGrab((GrabPtr)((void*)0)); |
1736 | ComputeFreezes(); |
1737 | break; |
1738 | case FREEZE_NEXT_EVENT3: /* Sync */ |
1739 | if (thisGrabbed) { |
1740 | grabinfo->sync.state = FREEZE_NEXT_EVENT3; |
1741 | if (thisSynced) |
1742 | grabinfo->sync.other = NullGrab((GrabPtr)((void*)0)); |
1743 | ComputeFreezes(); |
1744 | } |
1745 | break; |
1746 | case THAWED_BOTH2: /* AsyncBoth */ |
1747 | if (othersFrozen) { |
1748 | for (dev = inputInfo.devices; dev; dev = dev->next) { |
1749 | devgrabinfo = &dev->deviceGrab; |
1750 | if (devgrabinfo->grab && SameClient(devgrabinfo->grab, client)((((devgrabinfo->grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) |
1751 | devgrabinfo->sync.state = THAWED1; |
1752 | if (devgrabinfo->sync.other && |
1753 | SameClient(devgrabinfo->sync.other, client)((((devgrabinfo->sync.other)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) == (client)->clientAsMask)) |
1754 | devgrabinfo->sync.other = NullGrab((GrabPtr)((void*)0)); |
1755 | } |
1756 | ComputeFreezes(); |
1757 | } |
1758 | break; |
1759 | case FREEZE_BOTH_NEXT_EVENT4: /* SyncBoth */ |
1760 | if (othersFrozen) { |
1761 | for (dev = inputInfo.devices; dev; dev = dev->next) { |
1762 | devgrabinfo = &dev->deviceGrab; |
1763 | if (devgrabinfo->grab && SameClient(devgrabinfo->grab, client)((((devgrabinfo->grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) |
1764 | devgrabinfo->sync.state = FREEZE_BOTH_NEXT_EVENT4; |
1765 | if (devgrabinfo->sync.other |
1766 | && SameClient(devgrabinfo->sync.other, client)((((devgrabinfo->sync.other)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) == (client)->clientAsMask)) |
1767 | devgrabinfo->sync.other = NullGrab((GrabPtr)((void*)0)); |
1768 | } |
1769 | ComputeFreezes(); |
1770 | } |
1771 | break; |
1772 | case NOT_GRABBED0: /* Replay */ |
1773 | if (thisGrabbed && grabinfo->sync.state == FROZEN_WITH_EVENT6) { |
1774 | if (thisSynced) |
1775 | grabinfo->sync.other = NullGrab((GrabPtr)((void*)0)); |
1776 | syncEvents.replayDev = thisDev; |
1777 | syncEvents.replayWin = grabinfo->grab->window; |
1778 | (*grabinfo->DeactivateGrab) (thisDev); |
1779 | syncEvents.replayDev = (DeviceIntPtr) NULL((void*)0); |
1780 | } |
1781 | break; |
1782 | case THAW_OTHERS7: /* AsyncOthers */ |
1783 | if (othersFrozen) { |
1784 | for (dev = inputInfo.devices; dev; dev = dev->next) { |
1785 | if (dev == thisDev) |
1786 | continue; |
1787 | devgrabinfo = &dev->deviceGrab; |
1788 | if (devgrabinfo->grab && SameClient(devgrabinfo->grab, client)((((devgrabinfo->grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) |
1789 | devgrabinfo->sync.state = THAWED1; |
1790 | if (devgrabinfo->sync.other |
1791 | && SameClient(devgrabinfo->sync.other, client)((((devgrabinfo->sync.other)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) == (client)->clientAsMask)) |
1792 | devgrabinfo->sync.other = NullGrab((GrabPtr)((void*)0)); |
1793 | } |
1794 | ComputeFreezes(); |
1795 | } |
1796 | break; |
1797 | } |
1798 | |
1799 | /* We've unfrozen the grab. If the grab was a touch grab, we're now the |
1800 | * owner and expected to accept/reject it. Reject == ReplayPointer which |
1801 | * we've handled in ComputeFreezes() (during DeactivateGrab) above, |
1802 | * anything else is accept. |
1803 | */ |
1804 | if (newState != NOT_GRABBED0 /* Replay */ && |
1805 | IsTouchEvent((InternalEvent*)grabinfo->sync.event)) { |
1806 | TouchAcceptAndEnd(thisDev, grabinfo->sync.event->touchid); |
1807 | } |
1808 | } |
1809 | |
1810 | /** |
1811 | * Server-side protocol handling for AllowEvents request. |
1812 | * |
1813 | * Release some events from a frozen device. |
1814 | */ |
1815 | int |
1816 | ProcAllowEvents(ClientPtr client) |
1817 | { |
1818 | TimeStamp time; |
1819 | DeviceIntPtr mouse = NULL((void*)0); |
1820 | DeviceIntPtr keybd = NULL((void*)0); |
1821 | |
1822 | REQUEST(xAllowEventsReq)xAllowEventsReq *stuff = (xAllowEventsReq *)client->requestBuffer; |
1823 | |
1824 | REQUEST_SIZE_MATCH(xAllowEventsReq)if ((sizeof(xAllowEventsReq) >> 2) != client->req_len ) return(16); |
1825 | UpdateCurrentTime(); |
1826 | time = ClientTimeToServerTime(stuff->time); |
1827 | |
1828 | mouse = PickPointer(client); |
1829 | keybd = PickKeyboard(client); |
1830 | |
1831 | switch (stuff->mode) { |
1832 | case ReplayPointer2: |
1833 | AllowSome(client, time, mouse, NOT_GRABBED0); |
1834 | break; |
1835 | case SyncPointer1: |
1836 | AllowSome(client, time, mouse, FREEZE_NEXT_EVENT3); |
1837 | break; |
1838 | case AsyncPointer0: |
1839 | AllowSome(client, time, mouse, THAWED1); |
1840 | break; |
1841 | case ReplayKeyboard5: |
1842 | AllowSome(client, time, keybd, NOT_GRABBED0); |
1843 | break; |
1844 | case SyncKeyboard4: |
1845 | AllowSome(client, time, keybd, FREEZE_NEXT_EVENT3); |
1846 | break; |
1847 | case AsyncKeyboard3: |
1848 | AllowSome(client, time, keybd, THAWED1); |
1849 | break; |
1850 | case SyncBoth7: |
1851 | AllowSome(client, time, keybd, FREEZE_BOTH_NEXT_EVENT4); |
1852 | break; |
1853 | case AsyncBoth6: |
1854 | AllowSome(client, time, keybd, THAWED_BOTH2); |
1855 | break; |
1856 | default: |
1857 | client->errorValue = stuff->mode; |
1858 | return BadValue2; |
1859 | } |
1860 | return Success0; |
1861 | } |
1862 | |
1863 | /** |
1864 | * Deactivate grabs from any device that has been grabbed by the client. |
1865 | */ |
1866 | void |
1867 | ReleaseActiveGrabs(ClientPtr client) |
1868 | { |
1869 | DeviceIntPtr dev; |
1870 | Bool done; |
1871 | |
1872 | /* XXX CloseDownClient should remove passive grabs before |
1873 | * releasing active grabs. |
1874 | */ |
1875 | do { |
1876 | done = TRUE1; |
1877 | for (dev = inputInfo.devices; dev; dev = dev->next) { |
1878 | if (dev->deviceGrab.grab && |
1879 | SameClient(dev->deviceGrab.grab, client)((((dev->deviceGrab.grab)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) == (client)->clientAsMask)) { |
1880 | (*dev->deviceGrab.DeactivateGrab) (dev); |
1881 | done = FALSE0; |
1882 | } |
1883 | } |
1884 | } while (!done); |
1885 | } |
1886 | |
1887 | /************************************************************************** |
1888 | * The following procedures deal with delivering events * |
1889 | **************************************************************************/ |
1890 | |
1891 | /** |
1892 | * Deliver the given events to the given client. |
1893 | * |
1894 | * More than one event may be delivered at a time. This is the case with |
1895 | * DeviceMotionNotifies which may be followed by DeviceValuator events. |
1896 | * |
1897 | * TryClientEvents() is the last station before actually writing the events to |
1898 | * the socket. Anything that is not filtered here, will get delivered to the |
1899 | * client. |
1900 | * An event is only delivered if |
1901 | * - mask and filter match up. |
1902 | * - no other client has a grab on the device that caused the event. |
1903 | * |
1904 | * |
1905 | * @param client The target client to deliver to. |
1906 | * @param dev The device the event came from. May be NULL. |
1907 | * @param pEvents The events to be delivered. |
1908 | * @param count Number of elements in pEvents. |
1909 | * @param mask Event mask as set by the window. |
1910 | * @param filter Mask based on event type. |
1911 | * @param grab Possible grab on the device that caused the event. |
1912 | * |
1913 | * @return 1 if event was delivered, 0 if not or -1 if grab was not set by the |
1914 | * client. |
1915 | */ |
1916 | int |
1917 | TryClientEvents(ClientPtr client, DeviceIntPtr dev, xEvent *pEvents, |
1918 | int count, Mask mask, Mask filter, GrabPtr grab) |
1919 | { |
1920 | int type; |
1921 | |
1922 | #ifdef DEBUG_EVENTS |
1923 | ErrorF("[dix] Event([%d, %d], mask=0x%lx), client=%d%s", |
1924 | pEvents->u.u.type, pEvents->u.u.detail, mask, |
1925 | client ? client->index : -1, |
1926 | (client && client->clientGone) ? " (gone)" : ""); |
1927 | #endif |
1928 | |
1929 | if (!client || client == serverClient || client->clientGone) { |
1930 | #ifdef DEBUG_EVENTS |
1931 | ErrorF(" not delivered to fake/dead client\n"); |
1932 | #endif |
1933 | return 0; |
1934 | } |
1935 | |
1936 | if (filter != CantBeFiltered0L && !(mask & filter)) { |
1937 | #ifdef DEBUG_EVENTS |
1938 | ErrorF(" filtered\n"); |
1939 | #endif |
1940 | return 0; |
1941 | } |
1942 | |
1943 | if (grab && !SameClient(grab, client)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) { |
1944 | #ifdef DEBUG_EVENTS |
1945 | ErrorF(" not delivered due to grab\n"); |
1946 | #endif |
1947 | return -1; /* don't send, but notify caller */ |
1948 | } |
1949 | |
1950 | type = pEvents->u.u.type; |
1951 | if (type == MotionNotify6) { |
1952 | if (mask & PointerMotionHintMask(1L<<7)) { |
1953 | if (WID(dev->valuator->motionHintWindow)((dev->valuator->motionHintWindow) ? ((dev->valuator ->motionHintWindow)->drawable.id) : 0) == |
1954 | pEvents->u.keyButtonPointer.event) { |
1955 | #ifdef DEBUG_EVENTS |
1956 | ErrorF("[dix] \n"); |
1957 | ErrorF("[dix] motionHintWindow == keyButtonPointer.event\n"); |
1958 | #endif |
1959 | return 1; /* don't send, but pretend we did */ |
1960 | } |
1961 | pEvents->u.u.detail = NotifyHint1; |
1962 | } |
1963 | else { |
1964 | pEvents->u.u.detail = NotifyNormal0; |
1965 | } |
1966 | } |
1967 | else if (type == DeviceMotionNotify) { |
1968 | if (MaybeSendDeviceMotionNotifyHint((deviceKeyButtonPointer *) pEvents, |
1969 | mask) != 0) |
1970 | return 1; |
1971 | } |
1972 | else if (type == KeyPress2) { |
1973 | if (EventIsKeyRepeat(pEvents)) { |
1974 | if (!_XkbWantsDetectableAutoRepeat(client)((client)->xkbClientFlags&(1L << 0))) { |
1975 | xEvent release = *pEvents; |
1976 | |
1977 | release.u.u.type = KeyRelease3; |
1978 | WriteEventsToClient(client, 1, &release); |
1979 | #ifdef DEBUG_EVENTS |
1980 | ErrorF(" (plus fake core release for repeat)"); |
1981 | #endif |
1982 | } |
1983 | else { |
1984 | #ifdef DEBUG_EVENTS |
1985 | ErrorF(" (detectable autorepeat for core)"); |
1986 | #endif |
1987 | } |
1988 | } |
1989 | |
1990 | } |
1991 | else if (type == DeviceKeyPress) { |
1992 | if (EventIsKeyRepeat(pEvents)) { |
1993 | if (!_XkbWantsDetectableAutoRepeat(client)((client)->xkbClientFlags&(1L << 0))) { |
1994 | deviceKeyButtonPointer release = |
1995 | *(deviceKeyButtonPointer *) pEvents; |
1996 | release.type = DeviceKeyRelease; |
1997 | #ifdef DEBUG_EVENTS |
1998 | ErrorF(" (plus fake xi1 release for repeat)"); |
1999 | #endif |
2000 | WriteEventsToClient(client, 1, (xEvent *) &release); |
2001 | } |
2002 | else { |
2003 | #ifdef DEBUG_EVENTS |
2004 | ErrorF(" (detectable autorepeat for core)"); |
2005 | #endif |
2006 | } |
2007 | } |
2008 | } |
2009 | |
2010 | if (BitIsOn(criticalEvents, type)(!!(((const BYTE *) (criticalEvents))[(type)>>3] & ( 1 << ((type) & 7))))) { |
2011 | if (client->smart_priority < SMART_MAX_PRIORITY(20)) |
2012 | client->smart_priority++; |
2013 | SetCriticalOutputPending(); |
2014 | } |
2015 | |
2016 | WriteEventsToClient(client, count, pEvents); |
2017 | #ifdef DEBUG_EVENTS |
2018 | ErrorF("[dix] delivered\n"); |
2019 | #endif |
2020 | return 1; |
2021 | } |
2022 | |
2023 | static BOOL |
2024 | ActivateImplicitGrab(DeviceIntPtr dev, ClientPtr client, WindowPtr win, |
2025 | xEvent *event, Mask deliveryMask) |
2026 | { |
2027 | GrabPtr tempGrab; |
2028 | OtherInputMasks *inputMasks; |
2029 | CARD8 type = event->u.u.type; |
2030 | enum InputLevel grabtype; |
2031 | |
2032 | if (type == ButtonPress4) |
2033 | grabtype = CORE; |
2034 | else if (type == DeviceButtonPress) |
2035 | grabtype = XI; |
2036 | else if ((type = xi2_get_type(event)) == XI_ButtonPress4) |
2037 | grabtype = XI2; |
2038 | else |
2039 | return FALSE0; |
2040 | |
2041 | tempGrab = AllocGrab(NULL((void*)0)); |
2042 | if (!tempGrab) |
2043 | return FALSE0; |
2044 | tempGrab->next = NULL((void*)0); |
2045 | tempGrab->device = dev; |
2046 | tempGrab->resource = client->clientAsMask; |
2047 | tempGrab->window = win; |
2048 | tempGrab->ownerEvents = (deliveryMask & OwnerGrabButtonMask(1L<<24)) ? TRUE1 : FALSE0; |
2049 | tempGrab->eventMask = deliveryMask; |
2050 | tempGrab->keyboardMode = GrabModeAsync1; |
2051 | tempGrab->pointerMode = GrabModeAsync1; |
2052 | tempGrab->confineTo = NullWindow((WindowPtr) 0); |
2053 | tempGrab->cursor = NullCursor((CursorPtr)((void*)0)); |
2054 | tempGrab->type = type; |
2055 | tempGrab->grabtype = grabtype; |
2056 | |
2057 | /* get the XI and XI2 device mask */ |
2058 | inputMasks = wOtherInputMasks(win)((win)->optional ? (win)->optional->inputMasks : ((void *)0)); |
2059 | tempGrab->deviceMask = (inputMasks) ? inputMasks->inputEvents[dev->id] : 0; |
2060 | |
2061 | if (inputMasks) |
2062 | xi2mask_merge(tempGrab->xi2mask, inputMasks->xi2mask); |
2063 | |
2064 | (*dev->deviceGrab.ActivateGrab) (dev, tempGrab, |
2065 | currentTime, TRUE1 | ImplicitGrabMask(1 << 7)); |
2066 | FreeGrab(tempGrab); |
2067 | return TRUE1; |
2068 | } |
2069 | |
2070 | /** |
2071 | * Attempt event delivery to the client owning the window. |
2072 | */ |
2073 | static enum EventDeliveryState |
2074 | DeliverToWindowOwner(DeviceIntPtr dev, WindowPtr win, |
2075 | xEvent *events, int count, Mask filter, GrabPtr grab) |
2076 | { |
2077 | /* if nobody ever wants to see this event, skip some work */ |
2078 | if (filter != CantBeFiltered0L && |
2079 | !((wOtherEventMasks(win)((win)->optional ? (win)->optional->otherEventMasks : 0) | win->eventMask) & filter)) |
2080 | return EVENT_SKIP; |
2081 | |
2082 | if (IsInterferingGrab(wClient(win)(clients[((int)((((win)->drawable.id) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), dev, events)) |
2083 | return EVENT_SKIP; |
2084 | |
2085 | if (!XaceHook(XACE_RECEIVE_ACCESS6, wClient(win)(clients[((int)((((win)->drawable.id) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), win, events, count)) { |
2086 | int attempt = TryClientEvents(wClient(win)(clients[((int)((((win)->drawable.id) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), dev, events, |
2087 | count, win->eventMask, |
2088 | filter, grab); |
2089 | |
2090 | if (attempt > 0) |
2091 | return EVENT_DELIVERED; |
2092 | if (attempt < 0) |
2093 | return EVENT_REJECTED; |
2094 | } |
2095 | |
2096 | return EVENT_NOT_DELIVERED; |
2097 | } |
2098 | |
2099 | /** |
2100 | * Get the list of clients that should be tried for event delivery on the |
2101 | * given window. |
2102 | * |
2103 | * @return 1 if the client list should be traversed, zero if the event |
2104 | * should be skipped. |
2105 | */ |
2106 | static Bool |
2107 | GetClientsForDelivery(DeviceIntPtr dev, WindowPtr win, |
2108 | xEvent *events, Mask filter, InputClients ** iclients) |
2109 | { |
2110 | int rc = 0; |
2111 | |
2112 | if (core_get_type(events) != 0) |
2113 | *iclients = (InputClients *) wOtherClients(win)((win)->optional ? (win)->optional->otherClients : ( (void*)0)); |
2114 | else if (xi2_get_type(events) != 0) { |
2115 | OtherInputMasks *inputMasks = wOtherInputMasks(win)((win)->optional ? (win)->optional->inputMasks : ((void *)0)); |
2116 | |
2117 | /* Has any client selected for the event? */ |
2118 | if (!WindowXI2MaskIsset(dev, win, events)) |
2119 | goto out; |
2120 | *iclients = inputMasks->inputClients; |
2121 | } |
2122 | else { |
2123 | OtherInputMasks *inputMasks = wOtherInputMasks(win)((win)->optional ? (win)->optional->inputMasks : ((void *)0)); |
2124 | |
2125 | /* Has any client selected for the event? */ |
2126 | if (!inputMasks || !(inputMasks->inputEvents[dev->id] & filter)) |
2127 | goto out; |
2128 | |
2129 | *iclients = inputMasks->inputClients; |
2130 | } |
2131 | |
2132 | rc = 1; |
2133 | out: |
2134 | return rc; |
2135 | } |
2136 | |
2137 | /** |
2138 | * Try delivery on each client in inputclients, provided the event mask |
2139 | * accepts it and there is no interfering core grab.. |
2140 | */ |
2141 | static enum EventDeliveryState |
2142 | DeliverEventToInputClients(DeviceIntPtr dev, InputClients * inputclients, |
2143 | WindowPtr win, xEvent *events, |
2144 | int count, Mask filter, GrabPtr grab, |
2145 | ClientPtr *client_return, Mask *mask_return) |
2146 | { |
2147 | int attempt; |
2148 | enum EventDeliveryState rc = EVENT_NOT_DELIVERED; |
2149 | Bool have_device_button_grab_class_client = FALSE0; |
2150 | |
2151 | for (; inputclients; inputclients = inputclients->next) { |
2152 | Mask mask; |
2153 | ClientPtr client = rClient(inputclients)(clients[((int)((((inputclients)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]); |
2154 | |
2155 | if (IsInterferingGrab(client, dev, events)) |
2156 | continue; |
2157 | |
2158 | if (IsWrongPointerBarrierClient(client, dev, events)) |
2159 | continue; |
2160 | |
2161 | mask = GetEventMask(dev, events, inputclients); |
2162 | |
2163 | if (XaceHook(XACE_RECEIVE_ACCESS6, client, win, events, count)) |
2164 | /* do nothing */ ; |
2165 | else if ((attempt = TryClientEvents(client, dev, |
2166 | events, count, |
2167 | mask, filter, grab))) { |
2168 | if (attempt > 0) { |
2169 | /* |
2170 | * The order of clients is arbitrary therefore if one |
2171 | * client belongs to DeviceButtonGrabClass make sure to |
2172 | * catch it. |
2173 | */ |
2174 | if (!have_device_button_grab_class_client) { |
2175 | rc = EVENT_DELIVERED; |
2176 | *client_return = client; |
2177 | *mask_return = mask; |
2178 | /* Success overrides non-success, so if we've been |
2179 | * successful on one client, return that */ |
2180 | if (mask & DeviceButtonGrabMask) |
2181 | have_device_button_grab_class_client = TRUE1; |
2182 | } |
2183 | } else if (rc == EVENT_NOT_DELIVERED) |
2184 | rc = EVENT_REJECTED; |
2185 | } |
2186 | } |
2187 | |
2188 | return rc; |
2189 | } |
2190 | |
2191 | /** |
2192 | * Deliver events to clients registered on the window. |
2193 | * |
2194 | * @param client_return On successful delivery, set to the recipient. |
2195 | * @param mask_return On successful delivery, set to the recipient's event |
2196 | * mask for this event. |
2197 | */ |
2198 | static enum EventDeliveryState |
2199 | DeliverEventToWindowMask(DeviceIntPtr dev, WindowPtr win, xEvent *events, |
2200 | int count, Mask filter, GrabPtr grab, |
2201 | ClientPtr *client_return, Mask *mask_return) |
2202 | { |
2203 | InputClients *iclients; |
2204 | |
2205 | if (!GetClientsForDelivery(dev, win, events, filter, &iclients)) |
2206 | return EVENT_SKIP; |
2207 | |
2208 | return DeliverEventToInputClients(dev, iclients, win, events, count, filter, |
2209 | grab, client_return, mask_return); |
2210 | |
2211 | } |
2212 | |
2213 | /** |
2214 | * Deliver events to a window. At this point, we do not yet know if the event |
2215 | * actually needs to be delivered. May activate a grab if the event is a |
2216 | * button press. |
2217 | * |
2218 | * Core events are always delivered to the window owner. If the filter is |
2219 | * something other than CantBeFiltered, the event is also delivered to other |
2220 | * clients with the matching mask on the window. |
2221 | * |
2222 | * More than one event may be delivered at a time. This is the case with |
2223 | * DeviceMotionNotifies which may be followed by DeviceValuator events. |
2224 | * |
2225 | * @param pWin The window that would get the event. |
2226 | * @param pEvents The events to be delivered. |
2227 | * @param count Number of elements in pEvents. |
2228 | * @param filter Mask based on event type. |
2229 | * @param grab Possible grab on the device that caused the event. |
2230 | * |
2231 | * @return a positive number if at least one successful delivery has been |
2232 | * made, 0 if no events were delivered, or a negative number if the event |
2233 | * has not been delivered _and_ rejected by at least one client. |
2234 | */ |
2235 | int |
2236 | DeliverEventsToWindow(DeviceIntPtr pDev, WindowPtr pWin, xEvent |
2237 | *pEvents, int count, Mask filter, GrabPtr grab) |
2238 | { |
2239 | int deliveries = 0, nondeliveries = 0; |
2240 | ClientPtr client = NullClient((ClientPtr) 0); |
2241 | Mask deliveryMask = 0; /* If a grab occurs due to a button press, then |
2242 | this mask is the mask of the grab. */ |
2243 | int type = pEvents->u.u.type; |
2244 | |
2245 | UpdateCurrentTimeIf(); |
2246 | /* Deliver to window owner */ |
2247 | if ((filter == CantBeFiltered0L) || core_get_type(pEvents) != 0) { |
2248 | enum EventDeliveryState rc; |
2249 | |
2250 | rc = DeliverToWindowOwner(pDev, pWin, pEvents, count, filter, grab); |
2251 | |
2252 | switch (rc) { |
2253 | case EVENT_SKIP: |
2254 | return 0; |
2255 | case EVENT_REJECTED: |
2256 | nondeliveries--; |
2257 | break; |
2258 | case EVENT_DELIVERED: |
2259 | /* We delivered to the owner, with our event mask */ |
2260 | deliveries++; |
2261 | client = wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]); |
2262 | deliveryMask = pWin->eventMask; |
2263 | break; |
2264 | case EVENT_NOT_DELIVERED: |
2265 | break; |
2266 | } |
2267 | } |
2268 | |
2269 | /* CantBeFiltered means only window owner gets the event */ |
2270 | if (filter != CantBeFiltered0L) { |
2271 | enum EventDeliveryState rc; |
2272 | |
2273 | rc = DeliverEventToWindowMask(pDev, pWin, pEvents, count, filter, |
2274 | grab, &client, &deliveryMask); |
2275 | |
2276 | switch (rc) { |
2277 | case EVENT_SKIP: |
2278 | return 0; |
2279 | case EVENT_REJECTED: |
2280 | nondeliveries--; |
2281 | break; |
2282 | case EVENT_DELIVERED: |
2283 | deliveries++; |
2284 | break; |
2285 | case EVENT_NOT_DELIVERED: |
2286 | break; |
2287 | } |
2288 | } |
2289 | |
2290 | if (deliveries) { |
2291 | /* |
2292 | * Note that since core events are delivered first, an implicit grab may |
2293 | * be activated on a core grab, stopping the XI events. |
2294 | */ |
2295 | if (!grab && |
2296 | ActivateImplicitGrab(pDev, client, pWin, pEvents, deliveryMask)) |
2297 | /* grab activated */ ; |
2298 | else if (type == MotionNotify6) |
2299 | pDev->valuator->motionHintWindow = pWin; |
2300 | else if (type == DeviceMotionNotify || type == DeviceButtonPress) |
2301 | CheckDeviceGrabAndHintWindow(pWin, type, |
2302 | (deviceKeyButtonPointer *) pEvents, |
2303 | grab, client, deliveryMask); |
2304 | return deliveries; |
2305 | } |
2306 | return nondeliveries; |
2307 | } |
2308 | |
2309 | /** |
2310 | * Filter out raw events for XI 2.0 and XI 2.1 clients. |
2311 | * |
2312 | * If there is a grab on the device, 2.0 clients only get raw events if they |
2313 | * have the grab. 2.1+ clients get raw events in all cases. |
2314 | * |
2315 | * @return TRUE if the event should be discarded, FALSE otherwise. |
2316 | */ |
2317 | static BOOL |
2318 | FilterRawEvents(const ClientPtr client, const GrabPtr grab, WindowPtr root) |
2319 | { |
2320 | XIClientPtr client_xi_version; |
2321 | int cmp; |
2322 | |
2323 | /* device not grabbed -> don't filter */ |
2324 | if (!grab) |
2325 | return FALSE0; |
2326 | |
2327 | client_xi_version = |
2328 | dixLookupPrivate(&client->devPrivates, XIClientPrivateKey(&XIClientPrivateKeyRec)); |
2329 | |
2330 | cmp = version_compare(client_xi_version->major_version, |
2331 | client_xi_version->minor_version, 2, 0); |
2332 | /* XI 2.0: if device is grabbed, skip |
2333 | XI 2.1: if device is grabbed by us, skip, we've already delivered */ |
2334 | if (cmp == 0) |
2335 | return TRUE1; |
2336 | |
2337 | return (grab->window != root) ? FALSE0 : SameClient(grab, client)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask); |
2338 | } |
2339 | |
2340 | /** |
2341 | * Deliver a raw event to the grab owner (if any) and to all root windows. |
2342 | * |
2343 | * Raw event delivery differs between XI 2.0 and XI 2.1. |
2344 | * XI 2.0: events delivered to the grabbing client (if any) OR to all root |
2345 | * windows |
2346 | * XI 2.1: events delivered to all root windows, regardless of grabbing |
2347 | * state. |
2348 | */ |
2349 | void |
2350 | DeliverRawEvent(RawDeviceEvent *ev, DeviceIntPtr device) |
2351 | { |
2352 | GrabPtr grab = device->deviceGrab.grab; |
2353 | xEvent *xi; |
2354 | int i, rc; |
2355 | int filter; |
2356 | |
2357 | rc = EventToXI2((InternalEvent *) ev, (xEvent **) &xi); |
2358 | if (rc != Success0) { |
2359 | ErrorF("[Xi] %s: XI2 conversion failed in %s (%d)\n", |
2360 | __func__, device->name, rc); |
2361 | return; |
2362 | } |
2363 | |
2364 | if (grab) |
2365 | DeliverGrabbedEvent((InternalEvent *) ev, device, FALSE0); |
2366 | |
2367 | filter = GetEventFilter(device, xi); |
2368 | |
2369 | for (i = 0; i < screenInfo.numScreens; i++) { |
2370 | WindowPtr root; |
2371 | InputClients *inputclients; |
2372 | |
2373 | root = screenInfo.screens[i]->root; |
2374 | if (!GetClientsForDelivery(device, root, xi, filter, &inputclients)) |
2375 | continue; |
2376 | |
2377 | for (; inputclients; inputclients = inputclients->next) { |
2378 | ClientPtr c; /* unused */ |
2379 | Mask m; /* unused */ |
2380 | InputClients ic = *inputclients; |
2381 | |
2382 | /* Because we run through the list manually, copy the actual |
2383 | * list, shorten the copy to only have one client and then pass |
2384 | * that down to DeliverEventToInputClients. This way we avoid |
2385 | * double events on XI 2.1 clients that have a grab on the |
2386 | * device. |
2387 | */ |
2388 | ic.next = NULL((void*)0); |
2389 | |
2390 | if (!FilterRawEvents(rClient(&ic)(clients[((int)((((&ic)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]), grab, root)) |
2391 | DeliverEventToInputClients(device, &ic, root, xi, 1, |
2392 | filter, NULL((void*)0), &c, &m); |
2393 | } |
2394 | } |
2395 | |
2396 | free(xi); |
2397 | } |
2398 | |
2399 | /* If the event goes to dontClient, don't send it and return 0. if |
2400 | send works, return 1 or if send didn't work, return 2. |
2401 | Only works for core events. |
2402 | */ |
2403 | |
2404 | #ifdef PANORAMIX1 |
2405 | static int |
2406 | XineramaTryClientEventsResult(ClientPtr client, |
2407 | GrabPtr grab, Mask mask, Mask filter) |
2408 | { |
2409 | if ((client) && (client != serverClient) && (!client->clientGone) && |
2410 | ((filter == CantBeFiltered0L) || (mask & filter))) { |
2411 | if (grab && !SameClient(grab, client)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) |
2412 | return -1; |
2413 | else |
2414 | return 1; |
2415 | } |
2416 | return 0; |
2417 | } |
2418 | #endif |
2419 | |
2420 | /** |
2421 | * Try to deliver events to the interested parties. |
2422 | * |
2423 | * @param pWin The window that would get the event. |
2424 | * @param pEvents The events to be delivered. |
2425 | * @param count Number of elements in pEvents. |
2426 | * @param filter Mask based on event type. |
2427 | * @param dontClient Don't deliver to the dontClient. |
2428 | */ |
2429 | int |
2430 | MaybeDeliverEventsToClient(WindowPtr pWin, xEvent *pEvents, |
2431 | int count, Mask filter, ClientPtr dontClient) |
2432 | { |
2433 | OtherClients *other; |
2434 | |
2435 | if (pWin->eventMask & filter) { |
2436 | if (wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]) == dontClient) |
2437 | return 0; |
2438 | #ifdef PANORAMIX1 |
2439 | if (!noPanoramiXExtension && pWin->drawable.pScreen->myNum) |
2440 | return XineramaTryClientEventsResult(wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]), NullGrab((GrabPtr)((void*)0)), |
2441 | pWin->eventMask, filter); |
2442 | #endif |
2443 | if (XaceHook(XACE_RECEIVE_ACCESS6, wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]), pWin, pEvents, count)) |
2444 | return 1; /* don't send, but pretend we did */ |
2445 | return TryClientEvents(wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]), NULL((void*)0), pEvents, count, |
2446 | pWin->eventMask, filter, NullGrab((GrabPtr)((void*)0))); |
2447 | } |
2448 | for (other = wOtherClients(pWin)((pWin)->optional ? (pWin)->optional->otherClients : ((void*)0)); other; other = other->next) { |
2449 | if (other->mask & filter) { |
2450 | if (SameClient(other, dontClient)((((other)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (dontClient )->clientAsMask)) |
2451 | return 0; |
2452 | #ifdef PANORAMIX1 |
2453 | if (!noPanoramiXExtension && pWin->drawable.pScreen->myNum) |
2454 | return XineramaTryClientEventsResult(rClient(other)(clients[((int)((((other)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), NullGrab((GrabPtr)((void*)0)), |
2455 | other->mask, filter); |
2456 | #endif |
2457 | if (XaceHook(XACE_RECEIVE_ACCESS6, rClient(other)(clients[((int)((((other)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), pWin, pEvents, |
2458 | count)) |
2459 | return 1; /* don't send, but pretend we did */ |
2460 | return TryClientEvents(rClient(other)(clients[((int)((((other)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), NULL((void*)0), pEvents, count, |
2461 | other->mask, filter, NullGrab((GrabPtr)((void*)0))); |
2462 | } |
2463 | } |
2464 | return 2; |
2465 | } |
2466 | |
2467 | static Window |
2468 | FindChildForEvent(SpritePtr pSprite, WindowPtr event) |
2469 | { |
2470 | WindowPtr w = DeepestSpriteWin(pSprite); |
2471 | Window child = None0L; |
2472 | |
2473 | /* If the search ends up past the root should the child field be |
2474 | set to none or should the value in the argument be passed |
2475 | through. It probably doesn't matter since everyone calls |
2476 | this function with child == None anyway. */ |
2477 | while (w) { |
2478 | /* If the source window is same as event window, child should be |
2479 | none. Don't bother going all all the way back to the root. */ |
2480 | |
2481 | if (w == event) { |
2482 | child = None0L; |
2483 | break; |
2484 | } |
2485 | |
2486 | if (w->parent == event) { |
2487 | child = w->drawable.id; |
2488 | break; |
2489 | } |
2490 | w = w->parent; |
2491 | } |
2492 | return child; |
2493 | } |
2494 | |
2495 | /** |
2496 | * Adjust event fields to comply with the window properties. |
2497 | * |
2498 | * @param xE Event to be modified in place |
2499 | * @param pWin The window to get the information from. |
2500 | * @param child Child window setting for event (if applicable) |
2501 | * @param calcChild If True, calculate the child window. |
2502 | */ |
2503 | void |
2504 | FixUpEventFromWindow(SpritePtr pSprite, |
2505 | xEvent *xE, WindowPtr pWin, Window child, Bool calcChild) |
2506 | { |
2507 | int evtype; |
2508 | |
2509 | if (calcChild) |
2510 | child = FindChildForEvent(pSprite, pWin); |
2511 | |
2512 | if ((evtype = xi2_get_type(xE))) { |
2513 | xXIDeviceEvent *event = (xXIDeviceEvent *) xE; |
2514 | |
2515 | switch (evtype) { |
2516 | case XI_RawKeyPress13: |
2517 | case XI_RawKeyRelease14: |
2518 | case XI_RawButtonPress15: |
2519 | case XI_RawButtonRelease16: |
2520 | case XI_RawMotion17: |
2521 | case XI_RawTouchBegin22: |
2522 | case XI_RawTouchUpdate23: |
2523 | case XI_RawTouchEnd24: |
2524 | case XI_DeviceChanged1: |
2525 | case XI_HierarchyChanged11: |
2526 | case XI_PropertyEvent12: |
2527 | case XI_BarrierHit25: |
2528 | case XI_BarrierLeave26: |
2529 | return; |
2530 | default: |
2531 | break; |
2532 | } |
2533 | |
2534 | event->root = RootWindow(pSprite)pSprite->spriteTrace[0]->drawable.id; |
2535 | event->event = pWin->drawable.id; |
2536 | |
2537 | if (evtype == XI_TouchOwnership21) { |
2538 | event->child = child; |
2539 | return; |
2540 | } |
2541 | |
2542 | if (pSprite->hot.pScreen == pWin->drawable.pScreen) { |
2543 | event->event_x = event->root_x - double_to_fp1616(pWin->drawable.x); |
2544 | event->event_y = event->root_y - double_to_fp1616(pWin->drawable.y); |
2545 | event->child = child; |
2546 | } |
2547 | else { |
2548 | event->event_x = 0; |
2549 | event->event_y = 0; |
2550 | event->child = None0L; |
2551 | } |
2552 | |
2553 | if (event->evtype == XI_Enter7 || event->evtype == XI_Leave8 || |
2554 | event->evtype == XI_FocusIn9 || event->evtype == XI_FocusOut10) |
2555 | ((xXIEnterEvent *) event)->same_screen = |
2556 | (pSprite->hot.pScreen == pWin->drawable.pScreen); |
2557 | |
2558 | } |
2559 | else { |
2560 | XE_KBPTR(xE->u.keyButtonPointer).root = RootWindow(pSprite)pSprite->spriteTrace[0]->drawable.id; |
2561 | XE_KBPTR(xE->u.keyButtonPointer).event = pWin->drawable.id; |
2562 | if (pSprite->hot.pScreen == pWin->drawable.pScreen) { |
2563 | XE_KBPTR(xE->u.keyButtonPointer).sameScreen = xTrue1; |
2564 | XE_KBPTR(xE->u.keyButtonPointer).child = child; |
2565 | XE_KBPTR(xE->u.keyButtonPointer).eventX = XE_KBPTR(xE->u.keyButtonPointer).rootX - pWin->drawable.x; |
2566 | XE_KBPTR(xE->u.keyButtonPointer).eventY = XE_KBPTR(xE->u.keyButtonPointer).rootY - pWin->drawable.y; |
2567 | } |
2568 | else { |
2569 | XE_KBPTR(xE->u.keyButtonPointer).sameScreen = xFalse0; |
2570 | XE_KBPTR(xE->u.keyButtonPointer).child = None0L; |
2571 | XE_KBPTR(xE->u.keyButtonPointer).eventX = 0; |
2572 | XE_KBPTR(xE->u.keyButtonPointer).eventY = 0; |
2573 | } |
2574 | } |
2575 | } |
2576 | |
2577 | /** |
2578 | * Check if a given event is deliverable at all on a given window. |
2579 | * |
2580 | * This function only checks if any client wants it, not for a specific |
2581 | * client. |
2582 | * |
2583 | * @param[in] dev The device this event is being sent for. |
2584 | * @param[in] evtype The event type of the event that is to be sent. |
2585 | * @param[in] win The current event window. |
2586 | * |
2587 | * @return Bitmask of ::EVENT_XI2_MASK, ::EVENT_XI1_MASK, ::EVENT_CORE_MASK, and |
2588 | * ::EVENT_DONT_PROPAGATE_MASK. |
2589 | */ |
2590 | int |
2591 | EventIsDeliverable(DeviceIntPtr dev, int evtype, WindowPtr win) |
2592 | { |
2593 | int rc = 0; |
2594 | int filter = 0; |
2595 | int type; |
2596 | OtherInputMasks *inputMasks = wOtherInputMasks(win)((win)->optional ? (win)->optional->inputMasks : ((void *)0)); |
2597 | |
2598 | if ((type = GetXI2Type(evtype)) != 0) { |
2599 | if (inputMasks && xi2mask_isset(inputMasks->xi2mask, dev, type)) |
2600 | rc |= EVENT_XI2_MASK(1 << 3); |
2601 | } |
2602 | |
2603 | if ((type = GetXIType(evtype)) != 0) { |
2604 | filter = event_get_filter_from_type(dev, type); |
2605 | |
2606 | /* Check for XI mask */ |
2607 | if (inputMasks && |
2608 | (inputMasks->deliverableEvents[dev->id] & filter) && |
2609 | (inputMasks->inputEvents[dev->id] & filter)) |
2610 | rc |= EVENT_XI1_MASK(1 << 0); |
2611 | |
2612 | /* Check for XI DontPropagate mask */ |
2613 | if (inputMasks && (inputMasks->dontPropagateMask[dev->id] & filter)) |
2614 | rc |= EVENT_DONT_PROPAGATE_MASK(1 << 2); |
2615 | |
2616 | } |
2617 | |
2618 | if ((type = GetCoreType(evtype)) != 0) { |
2619 | filter = event_get_filter_from_type(dev, type); |
2620 | |
2621 | /* Check for core mask */ |
2622 | if ((win->deliverableEvents & filter) && |
2623 | ((wOtherEventMasks(win)((win)->optional ? (win)->optional->otherEventMasks : 0) | win->eventMask) & filter)) |
2624 | rc |= EVENT_CORE_MASK(1 << 1); |
2625 | |
2626 | /* Check for core DontPropagate mask */ |
2627 | if (filter & wDontPropagateMask(win)((win)->optional ? (win)->optional->dontPropagateMask : DontPropagateMasks[(win)->dontPropagate])) |
2628 | rc |= EVENT_DONT_PROPAGATE_MASK(1 << 2); |
2629 | } |
2630 | |
2631 | return rc; |
2632 | } |
2633 | |
2634 | static int |
2635 | DeliverEvent(DeviceIntPtr dev, xEvent *xE, int count, |
2636 | WindowPtr win, Window child, GrabPtr grab) |
2637 | { |
2638 | SpritePtr pSprite = dev->spriteInfo->sprite; |
2639 | Mask filter; |
2640 | int deliveries = 0; |
2641 | |
2642 | if (XaceHook(XACE_SEND_ACCESS5, NULL((void*)0), dev, win, xE, count) == Success0) { |
2643 | filter = GetEventFilter(dev, xE); |
2644 | FixUpEventFromWindow(pSprite, xE, win, child, FALSE0); |
2645 | deliveries = DeliverEventsToWindow(dev, win, xE, count, filter, grab); |
2646 | } |
2647 | |
2648 | return deliveries; |
2649 | } |
2650 | |
2651 | static int |
2652 | DeliverOneEvent(InternalEvent *event, DeviceIntPtr dev, enum InputLevel level, |
2653 | WindowPtr win, Window child, GrabPtr grab) |
2654 | { |
2655 | xEvent *xE = NULL((void*)0); |
2656 | int count = 0; |
2657 | int deliveries = 0; |
2658 | int rc; |
2659 | |
2660 | switch (level) { |
2661 | case XI2: |
2662 | rc = EventToXI2(event, &xE); |
2663 | count = 1; |
2664 | break; |
2665 | case XI: |
2666 | rc = EventToXI(event, &xE, &count); |
2667 | break; |
2668 | case CORE: |
2669 | rc = EventToCore(event, &xE, &count); |
2670 | break; |
2671 | default: |
2672 | rc = BadImplementation17; |
2673 | break; |
2674 | } |
2675 | |
2676 | if (rc == Success0) { |
2677 | deliveries = DeliverEvent(dev, xE, count, win, child, grab); |
2678 | free(xE); |
2679 | } |
2680 | else |
2681 | 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", 2683 , __func__); if (1) ErrorFSigSafe("%s: conversion to level %d failed with rc %d\n" , dev->name, level, rc); xorg_backtrace(); } } while(0) |
2682 | "%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", 2683 , __func__); if (1) ErrorFSigSafe("%s: conversion to level %d failed with rc %d\n" , dev->name, level, rc); xorg_backtrace(); } } while(0) |
2683 | dev->name, level, rc)do { if (rc != 8) { ErrorFSigSafe("BUG: triggered 'if (" "rc != 8" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "events.c", 2683 , __func__); if (1) ErrorFSigSafe("%s: conversion to level %d failed with rc %d\n" , dev->name, level, rc); xorg_backtrace(); } } while(0); |
2684 | return deliveries; |
2685 | } |
2686 | |
2687 | /** |
2688 | * Deliver events caused by input devices. |
2689 | * |
2690 | * For events from a non-grabbed, non-focus device, DeliverDeviceEvents is |
2691 | * called directly from the processInputProc. |
2692 | * For grabbed devices, DeliverGrabbedEvent is called first, and _may_ call |
2693 | * DeliverDeviceEvents. |
2694 | * For focused events, DeliverFocusedEvent is called first, and _may_ call |
2695 | * DeliverDeviceEvents. |
2696 | * |
2697 | * @param pWin Window to deliver event to. |
2698 | * @param event The events to deliver, not yet in wire format. |
2699 | * @param grab Possible grab on a device. |
2700 | * @param stopAt Don't recurse up to the root window. |
2701 | * @param dev The device that is responsible for the event. |
2702 | * |
2703 | * @see DeliverGrabbedEvent |
2704 | * @see DeliverFocusedEvent |
2705 | */ |
2706 | int |
2707 | DeliverDeviceEvents(WindowPtr pWin, InternalEvent *event, GrabPtr grab, |
2708 | WindowPtr stopAt, DeviceIntPtr dev) |
2709 | { |
2710 | Window child = None0L; |
2711 | int deliveries = 0; |
2712 | int mask; |
2713 | |
2714 | verify_internal_event(event); |
2715 | |
2716 | while (pWin) { |
2717 | if ((mask = EventIsDeliverable(dev, event->any.type, pWin))) { |
2718 | /* XI2 events first */ |
2719 | if (mask & EVENT_XI2_MASK(1 << 3)) { |
2720 | deliveries = |
2721 | DeliverOneEvent(event, dev, XI2, pWin, child, grab); |
2722 | if (deliveries > 0) |
2723 | break; |
2724 | } |
2725 | |
2726 | /* XI events */ |
2727 | if (mask & EVENT_XI1_MASK(1 << 0)) { |
2728 | deliveries = DeliverOneEvent(event, dev, XI, pWin, child, grab); |
2729 | if (deliveries > 0) |
2730 | break; |
2731 | } |
2732 | |
2733 | /* Core event */ |
2734 | if ((mask & EVENT_CORE_MASK(1 << 1)) && IsMaster(dev) && dev->coreEvents) { |
2735 | deliveries = |
2736 | DeliverOneEvent(event, dev, CORE, pWin, child, grab); |
2737 | if (deliveries > 0) |
2738 | break; |
2739 | } |
2740 | |
2741 | } |
2742 | |
2743 | if ((deliveries < 0) || (pWin == stopAt) || |
2744 | (mask & EVENT_DONT_PROPAGATE_MASK(1 << 2))) { |
2745 | deliveries = 0; |
2746 | break; |
2747 | } |
2748 | |
2749 | child = pWin->drawable.id; |
2750 | pWin = pWin->parent; |
2751 | } |
2752 | |
2753 | return deliveries; |
2754 | } |
2755 | |
2756 | /** |
2757 | * Deliver event to a window and it's immediate parent. Used for most window |
2758 | * events (CreateNotify, ConfigureNotify, etc.). Not useful for events that |
2759 | * propagate up the tree or extension events |
2760 | * |
2761 | * In case of a ReparentNotify event, the event will be delivered to the |
2762 | * otherParent as well. |
2763 | * |
2764 | * @param pWin Window to deliver events to. |
2765 | * @param xE Events to deliver. |
2766 | * @param count number of events in xE. |
2767 | * @param otherParent Used for ReparentNotify events. |
2768 | */ |
2769 | int |
2770 | DeliverEvents(WindowPtr pWin, xEvent *xE, int count, WindowPtr otherParent) |
2771 | { |
2772 | DeviceIntRec dummy; |
2773 | int deliveries; |
2774 | |
2775 | #ifdef PANORAMIX1 |
2776 | if (!noPanoramiXExtension && pWin->drawable.pScreen->myNum) |
2777 | return count; |
2778 | #endif |
2779 | |
2780 | if (!count) |
2781 | return 0; |
2782 | |
2783 | dummy.id = XIAllDevices0; |
2784 | |
2785 | switch (xE->u.u.type) { |
2786 | case DestroyNotify17: |
2787 | case UnmapNotify18: |
2788 | case MapNotify19: |
2789 | case MapRequest20: |
2790 | case ReparentNotify21: |
2791 | case ConfigureNotify22: |
2792 | case ConfigureRequest23: |
2793 | case GravityNotify24: |
2794 | case CirculateNotify26: |
2795 | case CirculateRequest27: |
2796 | xE->u.destroyNotify.event = pWin->drawable.id; |
2797 | break; |
2798 | } |
2799 | |
2800 | switch (xE->u.u.type) { |
2801 | case DestroyNotify17: |
2802 | case UnmapNotify18: |
2803 | case MapNotify19: |
2804 | case ReparentNotify21: |
2805 | case ConfigureNotify22: |
2806 | case GravityNotify24: |
2807 | case CirculateNotify26: |
2808 | break; |
2809 | default: |
2810 | { |
2811 | Mask filter; |
2812 | |
2813 | filter = GetEventFilter(&dummy, xE); |
2814 | return DeliverEventsToWindow(&dummy, pWin, xE, count, filter, NullGrab((GrabPtr)((void*)0))); |
2815 | } |
2816 | } |
2817 | |
2818 | deliveries = DeliverEventsToWindow(&dummy, pWin, xE, count, |
2819 | StructureNotifyMask(1L<<17), NullGrab((GrabPtr)((void*)0))); |
2820 | if (pWin->parent) { |
2821 | xE->u.destroyNotify.event = pWin->parent->drawable.id; |
2822 | deliveries += DeliverEventsToWindow(&dummy, pWin->parent, xE, count, |
2823 | SubstructureNotifyMask(1L<<19), NullGrab((GrabPtr)((void*)0))); |
2824 | if (xE->u.u.type == ReparentNotify21) { |
2825 | xE->u.destroyNotify.event = otherParent->drawable.id; |
2826 | deliveries += DeliverEventsToWindow(&dummy, |
2827 | otherParent, xE, count, |
2828 | SubstructureNotifyMask(1L<<19), |
2829 | NullGrab((GrabPtr)((void*)0))); |
2830 | } |
2831 | } |
2832 | return deliveries; |
2833 | } |
2834 | |
2835 | Bool |
2836 | PointInBorderSize(WindowPtr pWin, int x, int y) |
2837 | { |
2838 | BoxRec box; |
2839 | |
2840 | if (RegionContainsPoint(&pWin->borderSize, x, y, &box)) |
2841 | return TRUE1; |
2842 | |
2843 | #ifdef PANORAMIX1 |
2844 | if (!noPanoramiXExtension && |
2845 | XineramaSetWindowPntrs(inputInfo.pointer, pWin)) { |
2846 | SpritePtr pSprite = inputInfo.pointer->spriteInfo->sprite; |
2847 | int i; |
2848 | |
2849 | FOR_NSCREENS_FORWARD_SKIP(i)for(i = 1; i < PanoramiXNumScreens; i++) { |
2850 | if (RegionContainsPoint(&pSprite->windows[i]->borderSize, |
2851 | x + screenInfo.screens[0]->x - |
2852 | screenInfo.screens[i]->x, |
2853 | y + screenInfo.screens[0]->y - |
2854 | screenInfo.screens[i]->y, &box)) |
2855 | return TRUE1; |
2856 | } |
2857 | } |
2858 | #endif |
2859 | return FALSE0; |
2860 | } |
2861 | |
2862 | /** |
2863 | * Traversed from the root window to the window at the position x/y. While |
2864 | * traversing, it sets up the traversal history in the spriteTrace array. |
2865 | * After completing, the spriteTrace history is set in the following way: |
2866 | * spriteTrace[0] ... root window |
2867 | * spriteTrace[1] ... top level window that encloses x/y |
2868 | * ... |
2869 | * spriteTrace[spriteTraceGood - 1] ... window at x/y |
2870 | * |
2871 | * @returns the window at the given coordinates. |
2872 | */ |
2873 | WindowPtr |
2874 | XYToWindow(SpritePtr pSprite, int x, int y) |
2875 | { |
2876 | ScreenPtr pScreen = RootWindow(pSprite)pSprite->spriteTrace[0]->drawable.pScreen; |
2877 | |
2878 | return (*pScreen->XYToWindow)(pScreen, pSprite, x, y); |
2879 | } |
2880 | |
2881 | /** |
2882 | * Ungrab a currently FocusIn grabbed device and grab the device on the |
2883 | * given window. If the win given is the NoneWin, the device is ungrabbed if |
2884 | * applicable and FALSE is returned. |
2885 | * |
2886 | * @returns TRUE if the device has been grabbed, or FALSE otherwise. |
2887 | */ |
2888 | BOOL |
2889 | ActivateFocusInGrab(DeviceIntPtr dev, WindowPtr old, WindowPtr win) |
2890 | { |
2891 | BOOL rc = FALSE0; |
2892 | DeviceEvent event; |
2893 | |
2894 | if (dev->deviceGrab.grab) { |
2895 | if (!dev->deviceGrab.fromPassiveGrab || |
2896 | dev->deviceGrab.grab->type != XI_Enter7 || |
2897 | dev->deviceGrab.grab->window == win || |
2898 | IsParent(dev->deviceGrab.grab->window, win)) |
2899 | return FALSE0; |
2900 | DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveUngrab5); |
2901 | (*dev->deviceGrab.DeactivateGrab) (dev); |
2902 | } |
2903 | |
2904 | if (win == NoneWin((WindowPtr)0L) || win == PointerRootWin((WindowPtr)1L)) |
2905 | return FALSE0; |
2906 | |
2907 | event = (DeviceEvent) { |
2908 | .header = ET_Internal, |
2909 | .type = ET_FocusIn, |
2910 | .length = sizeof(DeviceEvent), |
2911 | .time = GetTimeInMillis(), |
2912 | .deviceid = dev->id, |
2913 | .sourceid = dev->id, |
2914 | .detail.button = 0 |
2915 | }; |
2916 | rc = (CheckPassiveGrabsOnWindow(win, dev, (InternalEvent *) &event, FALSE0, |
2917 | TRUE1) != NULL((void*)0)); |
2918 | if (rc) |
2919 | DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveUngrab5); |
2920 | return rc; |
2921 | } |
2922 | |
2923 | /** |
2924 | * Ungrab a currently Enter grabbed device and grab the device for the given |
2925 | * window. |
2926 | * |
2927 | * @returns TRUE if the device has been grabbed, or FALSE otherwise. |
2928 | */ |
2929 | static BOOL |
2930 | ActivateEnterGrab(DeviceIntPtr dev, WindowPtr old, WindowPtr win) |
2931 | { |
2932 | BOOL rc = FALSE0; |
2933 | DeviceEvent event; |
2934 | |
2935 | if (dev->deviceGrab.grab) { |
2936 | if (!dev->deviceGrab.fromPassiveGrab || |
2937 | dev->deviceGrab.grab->type != XI_Enter7 || |
2938 | dev->deviceGrab.grab->window == win || |
2939 | IsParent(dev->deviceGrab.grab->window, win)) |
2940 | return FALSE0; |
2941 | DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveUngrab5); |
2942 | (*dev->deviceGrab.DeactivateGrab) (dev); |
2943 | } |
2944 | |
2945 | event = (DeviceEvent) { |
2946 | .header = ET_Internal, |
2947 | .type = ET_Enter, |
2948 | .length = sizeof(DeviceEvent), |
2949 | .time = GetTimeInMillis(), |
2950 | .deviceid = dev->id, |
2951 | .sourceid = dev->id, |
2952 | .detail.button = 0 |
2953 | }; |
2954 | rc = (CheckPassiveGrabsOnWindow(win, dev, (InternalEvent *) &event, FALSE0, |
2955 | TRUE1) != NULL((void*)0)); |
2956 | if (rc) |
2957 | DoEnterLeaveEvents(dev, dev->id, old, win, XINotifyPassiveGrab4); |
2958 | return rc; |
2959 | } |
2960 | |
2961 | /** |
2962 | * Update the sprite coordinates based on the event. Update the cursor |
2963 | * position, then update the event with the new coordinates that may have been |
2964 | * changed. If the window underneath the sprite has changed, change to new |
2965 | * cursor and send enter/leave events. |
2966 | * |
2967 | * CheckMotion() will not do anything and return FALSE if the event is not a |
2968 | * pointer event. |
2969 | * |
2970 | * @return TRUE if the sprite has moved or FALSE otherwise. |
2971 | */ |
2972 | Bool |
2973 | CheckMotion(DeviceEvent *ev, DeviceIntPtr pDev) |
2974 | { |
2975 | WindowPtr prevSpriteWin, newSpriteWin; |
2976 | SpritePtr pSprite = pDev->spriteInfo->sprite; |
2977 | |
2978 | verify_internal_event((InternalEvent *) ev); |
2979 | |
2980 | prevSpriteWin = pSprite->win; |
2981 | |
2982 | if (ev && !syncEvents.playingEvents) { |
2983 | /* GetPointerEvents() guarantees that pointer events have the correct |
2984 | rootX/Y set already. */ |
2985 | switch (ev->type) { |
2986 | case ET_ButtonPress: |
2987 | case ET_ButtonRelease: |
2988 | case ET_Motion: |
2989 | case ET_TouchBegin: |
2990 | case ET_TouchUpdate: |
2991 | case ET_TouchEnd: |
2992 | break; |
2993 | default: |
2994 | /* all other events return FALSE */ |
2995 | return FALSE0; |
2996 | } |
2997 | |
2998 | #ifdef PANORAMIX1 |
2999 | if (!noPanoramiXExtension) { |
3000 | /* Motion events entering DIX get translated to Screen 0 |
3001 | coordinates. Replayed events have already been |
3002 | translated since they've entered DIX before */ |
3003 | ev->root_x += pSprite->screen->x - screenInfo.screens[0]->x; |
3004 | ev->root_y += pSprite->screen->y - screenInfo.screens[0]->y; |
3005 | } |
3006 | else |
3007 | #endif |
3008 | { |
3009 | if (pSprite->hot.pScreen != pSprite->hotPhys.pScreen) { |
3010 | pSprite->hot.pScreen = pSprite->hotPhys.pScreen; |
3011 | RootWindow(pDev->spriteInfo->sprite)pDev->spriteInfo->sprite->spriteTrace[0] = |
3012 | pSprite->hot.pScreen->root; |
3013 | } |
3014 | } |
3015 | |
3016 | pSprite->hot.x = ev->root_x; |
3017 | pSprite->hot.y = ev->root_y; |
3018 | if (pSprite->hot.x < pSprite->physLimits.x1) |
3019 | pSprite->hot.x = pSprite->physLimits.x1; |
3020 | else if (pSprite->hot.x >= pSprite->physLimits.x2) |
3021 | pSprite->hot.x = pSprite->physLimits.x2 - 1; |
3022 | if (pSprite->hot.y < pSprite->physLimits.y1) |
3023 | pSprite->hot.y = pSprite->physLimits.y1; |
3024 | else if (pSprite->hot.y >= pSprite->physLimits.y2) |
3025 | pSprite->hot.y = pSprite->physLimits.y2 - 1; |
3026 | if (pSprite->hotShape) |
3027 | ConfineToShape(pDev, pSprite->hotShape, &pSprite->hot.x, |
3028 | &pSprite->hot.y); |
3029 | pSprite->hotPhys = pSprite->hot; |
3030 | |
3031 | if ((pSprite->hotPhys.x != ev->root_x) || |
3032 | (pSprite->hotPhys.y != ev->root_y)) { |
3033 | #ifdef PANORAMIX1 |
3034 | if (!noPanoramiXExtension) { |
3035 | XineramaSetCursorPosition(pDev, pSprite->hotPhys.x, |
3036 | pSprite->hotPhys.y, FALSE0); |
3037 | } |
3038 | else |
3039 | #endif |
3040 | { |
3041 | (*pSprite->hotPhys.pScreen->SetCursorPosition) (pDev, |
3042 | pSprite-> |
3043 | hotPhys.pScreen, |
3044 | pSprite-> |
3045 | hotPhys.x, |
3046 | pSprite-> |
3047 | hotPhys.y, |
3048 | FALSE0); |
3049 | } |
3050 | } |
3051 | |
3052 | ev->root_x = pSprite->hot.x; |
3053 | ev->root_y = pSprite->hot.y; |
3054 | } |
3055 | |
3056 | newSpriteWin = XYToWindow(pSprite, pSprite->hot.x, pSprite->hot.y); |
3057 | |
3058 | if (newSpriteWin != prevSpriteWin) { |
3059 | int sourceid; |
3060 | |
3061 | if (!ev) { |
3062 | UpdateCurrentTimeIf(); |
3063 | sourceid = pDev->id; /* when from WindowsRestructured */ |
3064 | } |
3065 | else |
3066 | sourceid = ev->sourceid; |
3067 | |
3068 | if (prevSpriteWin != NullWindow((WindowPtr) 0)) { |
3069 | if (!ActivateEnterGrab(pDev, prevSpriteWin, newSpriteWin)) |
3070 | DoEnterLeaveEvents(pDev, sourceid, prevSpriteWin, |
3071 | newSpriteWin, NotifyNormal0); |
3072 | } |
3073 | /* set pSprite->win after ActivateEnterGrab, otherwise |
3074 | sprite window == grab_window and no enter/leave events are |
3075 | sent. */ |
3076 | pSprite->win = newSpriteWin; |
3077 | PostNewCursor(pDev); |
3078 | return FALSE0; |
3079 | } |
3080 | return TRUE1; |
3081 | } |
3082 | |
3083 | /** |
3084 | * Windows have restructured, we need to update the sprite position and the |
3085 | * sprite's cursor. |
3086 | */ |
3087 | void |
3088 | WindowsRestructured(void) |
3089 | { |
3090 | DeviceIntPtr pDev = inputInfo.devices; |
3091 | |
3092 | while (pDev) { |
3093 | if (IsMaster(pDev) || IsFloating(pDev)) |
3094 | CheckMotion(NULL((void*)0), pDev); |
3095 | pDev = pDev->next; |
3096 | } |
3097 | } |
3098 | |
3099 | #ifdef PANORAMIX1 |
3100 | /* This was added to support reconfiguration under Xdmx. The problem is |
3101 | * that if the 0th screen (i.e., screenInfo.screens[0]) is moved to an origin |
3102 | * other than 0,0, the information in the private sprite structure must |
3103 | * be updated accordingly, or XYToWindow (and other routines) will not |
3104 | * compute correctly. */ |
3105 | void |
3106 | ReinitializeRootWindow(WindowPtr win, int xoff, int yoff) |
3107 | { |
3108 | GrabPtr grab; |
3109 | DeviceIntPtr pDev; |
3110 | SpritePtr pSprite; |
3111 | |
3112 | if (noPanoramiXExtension) |
3113 | return; |
3114 | |
3115 | pDev = inputInfo.devices; |
3116 | while (pDev) { |
3117 | if (DevHasCursor(pDev)) { |
3118 | pSprite = pDev->spriteInfo->sprite; |
3119 | pSprite->hot.x -= xoff; |
3120 | pSprite->hot.y -= yoff; |
3121 | |
3122 | pSprite->hotPhys.x -= xoff; |
3123 | pSprite->hotPhys.y -= yoff; |
3124 | |
3125 | pSprite->hotLimits.x1 -= xoff; |
3126 | pSprite->hotLimits.y1 -= yoff; |
3127 | pSprite->hotLimits.x2 -= xoff; |
3128 | pSprite->hotLimits.y2 -= yoff; |
3129 | |
3130 | if (RegionNotEmpty(&pSprite->Reg1)) |
3131 | RegionTranslate(&pSprite->Reg1, xoff, yoff); |
3132 | if (RegionNotEmpty(&pSprite->Reg2)) |
3133 | RegionTranslate(&pSprite->Reg2, xoff, yoff); |
3134 | |
3135 | /* FIXME: if we call ConfineCursorToWindow, must we do anything else? */ |
3136 | if ((grab = pDev->deviceGrab.grab) && grab->confineTo) { |
3137 | if (grab->confineTo->drawable.pScreen |
3138 | != pSprite->hotPhys.pScreen) |
3139 | pSprite->hotPhys.x = pSprite->hotPhys.y = 0; |
3140 | ConfineCursorToWindow(pDev, grab->confineTo, TRUE1, TRUE1); |
3141 | } |
3142 | else |
3143 | ConfineCursorToWindow(pDev, |
3144 | pSprite->hotPhys.pScreen->root, |
3145 | TRUE1, FALSE0); |
3146 | |
3147 | } |
3148 | pDev = pDev->next; |
3149 | } |
3150 | } |
3151 | #endif |
3152 | |
3153 | /** |
3154 | * Initialize a sprite for the given device and set it to some sane values. If |
3155 | * the device already has a sprite alloc'd, don't realloc but just reset to |
3156 | * default values. |
3157 | * If a window is supplied, the sprite will be initialized with the window's |
3158 | * cursor and positioned in the center of the window's screen. The root window |
3159 | * is a good choice to pass in here. |
3160 | * |
3161 | * It's a good idea to call it only for pointer devices, unless you have a |
3162 | * really talented keyboard. |
3163 | * |
3164 | * @param pDev The device to initialize. |
3165 | * @param pWin The window where to generate the sprite in. |
3166 | * |
3167 | */ |
3168 | void |
3169 | InitializeSprite(DeviceIntPtr pDev, WindowPtr pWin) |
3170 | { |
3171 | SpritePtr pSprite; |
3172 | ScreenPtr pScreen; |
3173 | CursorPtr pCursor; |
3174 | |
3175 | if (!pDev->spriteInfo->sprite) { |
3176 | DeviceIntPtr it; |
3177 | |
3178 | pDev->spriteInfo->sprite = (SpritePtr) calloc(1, sizeof(SpriteRec)); |
3179 | if (!pDev->spriteInfo->sprite) |
3180 | FatalError("InitializeSprite: failed to allocate sprite struct"); |
3181 | |
3182 | /* We may have paired another device with this device before our |
3183 | * device had a actual sprite. We need to check for this and reset the |
3184 | * sprite field for all paired devices. |
3185 | * |
3186 | * The VCK is always paired with the VCP before the VCP has a sprite. |
3187 | */ |
3188 | for (it = inputInfo.devices; it; it = it->next) { |
3189 | if (it->spriteInfo->paired == pDev) |
3190 | it->spriteInfo->sprite = pDev->spriteInfo->sprite; |
3191 | } |
3192 | if (inputInfo.keyboard->spriteInfo->paired == pDev) |
3193 | inputInfo.keyboard->spriteInfo->sprite = pDev->spriteInfo->sprite; |
3194 | } |
3195 | |
3196 | pSprite = pDev->spriteInfo->sprite; |
3197 | pDev->spriteInfo->spriteOwner = TRUE1; |
3198 | |
3199 | pScreen = (pWin) ? pWin->drawable.pScreen : (ScreenPtr) NULL((void*)0); |
3200 | pSprite->hot.pScreen = pScreen; |
3201 | pSprite->hotPhys.pScreen = pScreen; |
3202 | if (pScreen) { |
3203 | pSprite->hotPhys.x = pScreen->width / 2; |
3204 | pSprite->hotPhys.y = pScreen->height / 2; |
3205 | pSprite->hotLimits.x2 = pScreen->width; |
3206 | pSprite->hotLimits.y2 = pScreen->height; |
3207 | } |
3208 | |
3209 | pSprite->hot = pSprite->hotPhys; |
3210 | pSprite->win = pWin; |
3211 | |
3212 | if (pWin) { |
3213 | pCursor = wCursor(pWin)((pWin)->cursorIsNone ? 0L : ((pWin)->optional ? (pWin) ->optional->cursor : FindWindowWithOptional(pWin)->optional ->cursor)); |
3214 | pSprite->spriteTrace = (WindowPtr *) calloc(1, 32 * sizeof(WindowPtr)); |
3215 | if (!pSprite->spriteTrace) |
3216 | FatalError("Failed to allocate spriteTrace"); |
3217 | pSprite->spriteTraceSize = 32; |
3218 | |
3219 | RootWindow(pDev->spriteInfo->sprite)pDev->spriteInfo->sprite->spriteTrace[0] = pWin; |
3220 | pSprite->spriteTraceGood = 1; |
3221 | |
3222 | pSprite->pEnqueueScreen = pScreen; |
3223 | pSprite->pDequeueScreen = pSprite->pEnqueueScreen; |
3224 | |
3225 | } |
3226 | else { |
3227 | pCursor = NullCursor((CursorPtr)((void*)0)); |
3228 | pSprite->spriteTrace = NULL((void*)0); |
3229 | pSprite->spriteTraceSize = 0; |
3230 | pSprite->spriteTraceGood = 0; |
3231 | pSprite->pEnqueueScreen = screenInfo.screens[0]; |
3232 | pSprite->pDequeueScreen = pSprite->pEnqueueScreen; |
3233 | } |
3234 | pCursor = RefCursor(pCursor); |
3235 | if (pSprite->current) |
3236 | FreeCursor(pSprite->current, None0L); |
3237 | pSprite->current = pCursor; |
3238 | |
3239 | if (pScreen) { |
3240 | (*pScreen->RealizeCursor) (pDev, pScreen, pSprite->current); |
3241 | (*pScreen->CursorLimits) (pDev, pScreen, pSprite->current, |
3242 | &pSprite->hotLimits, &pSprite->physLimits); |
3243 | pSprite->confined = FALSE0; |
3244 | |
3245 | (*pScreen->ConstrainCursor) (pDev, pScreen, &pSprite->physLimits); |
3246 | (*pScreen->SetCursorPosition) (pDev, pScreen, pSprite->hot.x, |
3247 | pSprite->hot.y, FALSE0); |
3248 | (*pScreen->DisplayCursor) (pDev, pScreen, pSprite->current); |
3249 | } |
3250 | #ifdef PANORAMIX1 |
3251 | if (!noPanoramiXExtension) { |
3252 | pSprite->hotLimits.x1 = -screenInfo.screens[0]->x; |
3253 | pSprite->hotLimits.y1 = -screenInfo.screens[0]->y; |
3254 | pSprite->hotLimits.x2 = PanoramiXPixWidth - screenInfo.screens[0]->x; |
3255 | pSprite->hotLimits.y2 = PanoramiXPixHeight - screenInfo.screens[0]->y; |
3256 | pSprite->physLimits = pSprite->hotLimits; |
3257 | pSprite->confineWin = NullWindow((WindowPtr) 0); |
3258 | pSprite->hotShape = NullRegion((RegionPtr)0); |
3259 | pSprite->screen = pScreen; |
3260 | /* gotta UNINIT these someplace */ |
3261 | RegionNull(&pSprite->Reg1); |
3262 | RegionNull(&pSprite->Reg2); |
3263 | } |
3264 | #endif |
3265 | } |
3266 | |
3267 | void FreeSprite(DeviceIntPtr dev) |
3268 | { |
3269 | if (DevHasCursor(dev) && dev->spriteInfo->sprite) { |
3270 | if (dev->spriteInfo->sprite->current) |
3271 | FreeCursor(dev->spriteInfo->sprite->current, None0L); |
3272 | free(dev->spriteInfo->sprite->spriteTrace); |
3273 | free(dev->spriteInfo->sprite); |
3274 | } |
3275 | dev->spriteInfo->sprite = NULL((void*)0); |
3276 | } |
3277 | |
3278 | |
3279 | /** |
3280 | * Update the mouse sprite info when the server switches from a pScreen to another. |
3281 | * Otherwise, the pScreen of the mouse sprite is never updated when we switch |
3282 | * from a pScreen to another. Never updating the pScreen of the mouse sprite |
3283 | * implies that windows that are in pScreen whose pScreen->myNum >0 will never |
3284 | * get pointer events. This is because in CheckMotion(), sprite.hotPhys.pScreen |
3285 | * always points to the first pScreen it has been set by |
3286 | * DefineInitialRootWindow(). |
3287 | * |
3288 | * Calling this function is useful for use cases where the server |
3289 | * has more than one pScreen. |
3290 | * This function is similar to DefineInitialRootWindow() but it does not |
3291 | * reset the mouse pointer position. |
3292 | * @param win must be the new pScreen we are switching to. |
3293 | */ |
3294 | void |
3295 | UpdateSpriteForScreen(DeviceIntPtr pDev, ScreenPtr pScreen) |
3296 | { |
3297 | SpritePtr pSprite = NULL((void*)0); |
3298 | WindowPtr win = NULL((void*)0); |
3299 | CursorPtr pCursor; |
3300 | |
3301 | if (!pScreen) |
3302 | return; |
3303 | |
3304 | if (!pDev->spriteInfo->sprite) |
3305 | return; |
3306 | |
3307 | pSprite = pDev->spriteInfo->sprite; |
3308 | |
3309 | win = pScreen->root; |
3310 | |
3311 | pSprite->hotPhys.pScreen = pScreen; |
3312 | pSprite->hot = pSprite->hotPhys; |
3313 | pSprite->hotLimits.x2 = pScreen->width; |
3314 | pSprite->hotLimits.y2 = pScreen->height; |
3315 | pSprite->win = win; |
3316 | pCursor = RefCursor(wCursor(win)((win)->cursorIsNone ? 0L : ((win)->optional ? (win)-> optional->cursor : FindWindowWithOptional(win)->optional ->cursor))); |
3317 | if (pSprite->current) |
3318 | FreeCursor(pSprite->current, 0); |
3319 | pSprite->current = pCursor; |
3320 | pSprite->spriteTraceGood = 1; |
3321 | pSprite->spriteTrace[0] = win; |
3322 | (*pScreen->CursorLimits) (pDev, |
3323 | pScreen, |
3324 | pSprite->current, |
3325 | &pSprite->hotLimits, &pSprite->physLimits); |
3326 | pSprite->confined = FALSE0; |
3327 | (*pScreen->ConstrainCursor) (pDev, pScreen, &pSprite->physLimits); |
3328 | (*pScreen->DisplayCursor) (pDev, pScreen, pSprite->current); |
3329 | |
3330 | #ifdef PANORAMIX1 |
3331 | if (!noPanoramiXExtension) { |
3332 | pSprite->hotLimits.x1 = -screenInfo.screens[0]->x; |
3333 | pSprite->hotLimits.y1 = -screenInfo.screens[0]->y; |
3334 | pSprite->hotLimits.x2 = PanoramiXPixWidth - screenInfo.screens[0]->x; |
3335 | pSprite->hotLimits.y2 = PanoramiXPixHeight - screenInfo.screens[0]->y; |
3336 | pSprite->physLimits = pSprite->hotLimits; |
3337 | pSprite->screen = pScreen; |
3338 | } |
3339 | #endif |
3340 | } |
3341 | |
3342 | /* |
3343 | * This does not take any shortcuts, and even ignores its argument, since |
3344 | * it does not happen very often, and one has to walk up the tree since |
3345 | * this might be a newly instantiated cursor for an intermediate window |
3346 | * between the one the pointer is in and the one that the last cursor was |
3347 | * instantiated from. |
3348 | */ |
3349 | void |
3350 | WindowHasNewCursor(WindowPtr pWin) |
3351 | { |
3352 | DeviceIntPtr pDev; |
3353 | |
3354 | for (pDev = inputInfo.devices; pDev; pDev = pDev->next) |
3355 | if (DevHasCursor(pDev)) |
3356 | PostNewCursor(pDev); |
3357 | } |
3358 | |
3359 | void |
3360 | NewCurrentScreen(DeviceIntPtr pDev, ScreenPtr newScreen, int x, int y) |
3361 | { |
3362 | DeviceIntPtr ptr; |
3363 | SpritePtr pSprite; |
3364 | |
3365 | ptr = |
3366 | IsFloating(pDev) ? pDev : |
3367 | GetXTestDevice(GetMaster(pDev, MASTER_POINTER1)); |
3368 | pSprite = ptr->spriteInfo->sprite; |
3369 | |
3370 | pSprite->hotPhys.x = x; |
3371 | pSprite->hotPhys.y = y; |
3372 | #ifdef PANORAMIX1 |
3373 | if (!noPanoramiXExtension) { |
3374 | pSprite->hotPhys.x += newScreen->x - screenInfo.screens[0]->x; |
3375 | pSprite->hotPhys.y += newScreen->y - screenInfo.screens[0]->y; |
3376 | if (newScreen != pSprite->screen) { |
3377 | pSprite->screen = newScreen; |
3378 | /* Make sure we tell the DDX to update its copy of the screen */ |
3379 | if (pSprite->confineWin) |
3380 | XineramaConfineCursorToWindow(ptr, pSprite->confineWin, TRUE1); |
3381 | else |
3382 | XineramaConfineCursorToWindow(ptr, screenInfo.screens[0]->root, |
3383 | TRUE1); |
3384 | /* if the pointer wasn't confined, the DDX won't get |
3385 | told of the pointer warp so we reposition it here */ |
3386 | if (!syncEvents.playingEvents) |
3387 | (*pSprite->screen->SetCursorPosition) (ptr, |
3388 | pSprite->screen, |
3389 | pSprite->hotPhys.x + |
3390 | screenInfo.screens[0]-> |
3391 | x - pSprite->screen->x, |
3392 | pSprite->hotPhys.y + |
3393 | screenInfo.screens[0]-> |
3394 | y - pSprite->screen->y, |
3395 | FALSE0); |
3396 | } |
3397 | } |
3398 | else |
3399 | #endif |
3400 | if (newScreen != pSprite->hotPhys.pScreen) |
3401 | ConfineCursorToWindow(ptr, newScreen->root, TRUE1, FALSE0); |
3402 | } |
3403 | |
3404 | #ifdef PANORAMIX1 |
3405 | |
3406 | static Bool |
3407 | XineramaPointInWindowIsVisible(WindowPtr pWin, int x, int y) |
3408 | { |
3409 | BoxRec box; |
3410 | int i, xoff, yoff; |
3411 | |
3412 | if (!pWin->realized) |
3413 | return FALSE0; |
3414 | |
3415 | if (RegionContainsPoint(&pWin->borderClip, x, y, &box)) |
3416 | return TRUE1; |
3417 | |
3418 | if (!XineramaSetWindowPntrs(inputInfo.pointer, pWin)) |
3419 | return FALSE0; |
3420 | |
3421 | xoff = x + screenInfo.screens[0]->x; |
3422 | yoff = y + screenInfo.screens[0]->y; |
3423 | |
3424 | FOR_NSCREENS_FORWARD_SKIP(i)for(i = 1; i < PanoramiXNumScreens; i++) { |
3425 | pWin = inputInfo.pointer->spriteInfo->sprite->windows[i]; |
3426 | |
3427 | x = xoff - screenInfo.screens[i]->x; |
3428 | y = yoff - screenInfo.screens[i]->y; |
3429 | |
3430 | if (RegionContainsPoint(&pWin->borderClip, x, y, &box) |
3431 | && (!wInputShape(pWin)((pWin)->optional ? (pWin)->optional->inputShape : ( (void*)0)) || |
3432 | RegionContainsPoint(wInputShape(pWin)((pWin)->optional ? (pWin)->optional->inputShape : ( (void*)0)), |
3433 | x - pWin->drawable.x, |
3434 | y - pWin->drawable.y, &box))) |
3435 | return TRUE1; |
3436 | |
3437 | } |
3438 | |
3439 | return FALSE0; |
3440 | } |
3441 | |
3442 | static int |
3443 | XineramaWarpPointer(ClientPtr client) |
3444 | { |
3445 | WindowPtr dest = NULL((void*)0); |
3446 | int x, y, rc; |
3447 | SpritePtr pSprite = PickPointer(client)->spriteInfo->sprite; |
3448 | |
3449 | REQUEST(xWarpPointerReq)xWarpPointerReq *stuff = (xWarpPointerReq *)client->requestBuffer; |
3450 | |
3451 | if (stuff->dstWid != None0L) { |
3452 | rc = dixLookupWindow(&dest, stuff->dstWid, client, DixReadAccess(1<<0)); |
3453 | if (rc != Success0) |
3454 | return rc; |
3455 | } |
3456 | x = pSprite->hotPhys.x; |
3457 | y = pSprite->hotPhys.y; |
3458 | |
3459 | if (stuff->srcWid != None0L) { |
3460 | int winX, winY; |
3461 | XID winID = stuff->srcWid; |
3462 | WindowPtr source; |
3463 | |
3464 | rc = dixLookupWindow(&source, winID, client, DixReadAccess(1<<0)); |
3465 | if (rc != Success0) |
3466 | return rc; |
3467 | |
3468 | winX = source->drawable.x; |
3469 | winY = source->drawable.y; |
3470 | if (source == screenInfo.screens[0]->root) { |
3471 | winX -= screenInfo.screens[0]->x; |
3472 | winY -= screenInfo.screens[0]->y; |
3473 | } |
3474 | if (x < winX + stuff->srcX || |
3475 | y < winY + stuff->srcY || |
3476 | (stuff->srcWidth != 0 && |
3477 | winX + stuff->srcX + (int) stuff->srcWidth < x) || |
3478 | (stuff->srcHeight != 0 && |
3479 | winY + stuff->srcY + (int) stuff->srcHeight < y) || |
3480 | !XineramaPointInWindowIsVisible(source, x, y)) |
3481 | return Success0; |
3482 | } |
3483 | if (dest) { |
3484 | x = dest->drawable.x; |
3485 | y = dest->drawable.y; |
3486 | if (dest == screenInfo.screens[0]->root) { |
3487 | x -= screenInfo.screens[0]->x; |
3488 | y -= screenInfo.screens[0]->y; |
3489 | } |
3490 | } |
3491 | |
3492 | x += stuff->dstX; |
3493 | y += stuff->dstY; |
3494 | |
3495 | if (x < pSprite->physLimits.x1) |
3496 | x = pSprite->physLimits.x1; |
3497 | else if (x >= pSprite->physLimits.x2) |
3498 | x = pSprite->physLimits.x2 - 1; |
3499 | if (y < pSprite->physLimits.y1) |
3500 | y = pSprite->physLimits.y1; |
3501 | else if (y >= pSprite->physLimits.y2) |
3502 | y = pSprite->physLimits.y2 - 1; |
3503 | if (pSprite->hotShape) |
3504 | ConfineToShape(PickPointer(client), pSprite->hotShape, &x, &y); |
3505 | |
3506 | XineramaSetCursorPosition(PickPointer(client), x, y, TRUE1); |
3507 | |
3508 | return Success0; |
3509 | } |
3510 | |
3511 | #endif |
3512 | |
3513 | /** |
3514 | * Server-side protocol handling for WarpPointer request. |
3515 | * Warps the cursor position to the coordinates given in the request. |
3516 | */ |
3517 | int |
3518 | ProcWarpPointer(ClientPtr client) |
3519 | { |
3520 | WindowPtr dest = NULL((void*)0); |
3521 | int x, y, rc; |
3522 | ScreenPtr newScreen; |
3523 | DeviceIntPtr dev, tmp; |
3524 | SpritePtr pSprite; |
3525 | |
3526 | REQUEST(xWarpPointerReq)xWarpPointerReq *stuff = (xWarpPointerReq *)client->requestBuffer; |
3527 | REQUEST_SIZE_MATCH(xWarpPointerReq)if ((sizeof(xWarpPointerReq) >> 2) != client->req_len ) return(16); |
3528 | |
3529 | dev = PickPointer(client); |
3530 | |
3531 | for (tmp = inputInfo.devices; tmp; tmp = tmp->next) { |
3532 | if (GetMaster(tmp, MASTER_ATTACHED4) == dev) { |
3533 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, dev, DixWriteAccess(1<<1)); |
3534 | if (rc != Success0) |
3535 | return rc; |
3536 | } |
3537 | } |
3538 | |
3539 | if (dev->lastSlave) |
3540 | dev = dev->lastSlave; |
3541 | pSprite = dev->spriteInfo->sprite; |
3542 | |
3543 | #ifdef PANORAMIX1 |
3544 | if (!noPanoramiXExtension) |
3545 | return XineramaWarpPointer(client); |
3546 | #endif |
3547 | |
3548 | if (stuff->dstWid != None0L) { |
3549 | rc = dixLookupWindow(&dest, stuff->dstWid, client, DixGetAttrAccess(1<<4)); |
3550 | if (rc != Success0) |
3551 | return rc; |
3552 | } |
3553 | x = pSprite->hotPhys.x; |
3554 | y = pSprite->hotPhys.y; |
3555 | |
3556 | if (stuff->srcWid != None0L) { |
3557 | int winX, winY; |
3558 | XID winID = stuff->srcWid; |
3559 | WindowPtr source; |
3560 | |
3561 | rc = dixLookupWindow(&source, winID, client, DixGetAttrAccess(1<<4)); |
3562 | if (rc != Success0) |
3563 | return rc; |
3564 | |
3565 | winX = source->drawable.x; |
3566 | winY = source->drawable.y; |
3567 | if (source->drawable.pScreen != pSprite->hotPhys.pScreen || |
3568 | x < winX + stuff->srcX || |
3569 | y < winY + stuff->srcY || |
3570 | (stuff->srcWidth != 0 && |
3571 | winX + stuff->srcX + (int) stuff->srcWidth < x) || |
3572 | (stuff->srcHeight != 0 && |
3573 | winY + stuff->srcY + (int) stuff->srcHeight < y) || |
3574 | !PointInWindowIsVisible(source, x, y)) |
3575 | return Success0; |
3576 | } |
3577 | if (dest) { |
3578 | x = dest->drawable.x; |
3579 | y = dest->drawable.y; |
3580 | newScreen = dest->drawable.pScreen; |
3581 | } |
3582 | else |
3583 | newScreen = pSprite->hotPhys.pScreen; |
3584 | |
3585 | x += stuff->dstX; |
3586 | y += stuff->dstY; |
3587 | |
3588 | if (x < 0) |
3589 | x = 0; |
3590 | else if (x >= newScreen->width) |
3591 | x = newScreen->width - 1; |
3592 | if (y < 0) |
3593 | y = 0; |
3594 | else if (y >= newScreen->height) |
3595 | y = newScreen->height - 1; |
3596 | |
3597 | if (newScreen == pSprite->hotPhys.pScreen) { |
3598 | if (x < pSprite->physLimits.x1) |
3599 | x = pSprite->physLimits.x1; |
3600 | else if (x >= pSprite->physLimits.x2) |
3601 | x = pSprite->physLimits.x2 - 1; |
3602 | if (y < pSprite->physLimits.y1) |
3603 | y = pSprite->physLimits.y1; |
3604 | else if (y >= pSprite->physLimits.y2) |
3605 | y = pSprite->physLimits.y2 - 1; |
3606 | if (pSprite->hotShape) |
3607 | ConfineToShape(dev, pSprite->hotShape, &x, &y); |
3608 | (*newScreen->SetCursorPosition) (dev, newScreen, x, y, TRUE1); |
3609 | } |
3610 | else if (!PointerConfinedToScreen(dev)) { |
3611 | NewCurrentScreen(dev, newScreen, x, y); |
3612 | } |
3613 | return Success0; |
3614 | } |
3615 | |
3616 | static Bool |
3617 | BorderSizeNotEmpty(DeviceIntPtr pDev, WindowPtr pWin) |
3618 | { |
3619 | if (RegionNotEmpty(&pWin->borderSize)) |
3620 | return TRUE1; |
3621 | |
3622 | #ifdef PANORAMIX1 |
3623 | if (!noPanoramiXExtension && XineramaSetWindowPntrs(pDev, pWin)) { |
3624 | int i; |
3625 | |
3626 | FOR_NSCREENS_FORWARD_SKIP(i)for(i = 1; i < PanoramiXNumScreens; i++) { |
3627 | if (RegionNotEmpty |
3628 | (&pDev->spriteInfo->sprite->windows[i]->borderSize)) |
3629 | return TRUE1; |
3630 | } |
3631 | } |
3632 | #endif |
3633 | return FALSE0; |
3634 | } |
3635 | |
3636 | /** |
3637 | * Activate the given passive grab. If the grab is activated successfully, the |
3638 | * event has been delivered to the client. |
3639 | * |
3640 | * @param device The device of the event to check. |
3641 | * @param grab The grab to check. |
3642 | * @param event The current device event. |
3643 | * @param real_event The original event, in case of touch emulation. The |
3644 | * real event is the one stored in the sync queue. |
3645 | * |
3646 | * @return Whether the grab has been activated. |
3647 | */ |
3648 | Bool |
3649 | ActivatePassiveGrab(DeviceIntPtr device, GrabPtr grab, InternalEvent *event, |
3650 | InternalEvent *real_event) |
3651 | { |
3652 | SpritePtr pSprite = device->spriteInfo->sprite; |
3653 | GrabInfoPtr grabinfo = &device->deviceGrab; |
3654 | xEvent *xE = NULL((void*)0); |
3655 | int count; |
3656 | int rc; |
3657 | |
3658 | /* The only consumers of corestate are Xi 1.x and core events, which |
3659 | * are guaranteed to come from DeviceEvents. */ |
3660 | if (grab->grabtype == XI || grab->grabtype == CORE) { |
3661 | DeviceIntPtr gdev; |
3662 | |
3663 | event->device_event.corestate &= 0x1f00; |
3664 | |
3665 | if (grab->grabtype == CORE) |
3666 | gdev = GetMaster(device, KEYBOARD_OR_FLOAT5); |
3667 | else |
3668 | gdev = grab->modifierDevice; |
3669 | |
3670 | if (gdev && gdev->key && gdev->key->xkbInfo) |
3671 | event->device_event.corestate |= |
3672 | gdev->key->xkbInfo->state.grab_mods & (~0x1f00); |
3673 | } |
3674 | |
3675 | if (grab->grabtype == CORE) { |
3676 | rc = EventToCore(event, &xE, &count); |
3677 | if (rc != Success0) { |
3678 | 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", 3679 , __func__); if (1) ErrorFSigSafe("[dix] %s: core conversion failed" "(%d, %d).\n", device->name, event->any.type, rc); xorg_backtrace (); } } while(0) |
3679 | "(%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", 3679 , __func__); if (1) ErrorFSigSafe("[dix] %s: core conversion failed" "(%d, %d).\n", device->name, event->any.type, rc); xorg_backtrace (); } } while(0); |
3680 | return FALSE0; |
3681 | } |
3682 | } |
3683 | else if (grab->grabtype == XI2) { |
3684 | rc = EventToXI2(event, &xE); |
3685 | if (rc != Success0) { |
3686 | if (rc != BadMatch8) |
3687 | 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", 3688 , __func__); if (1) ErrorFSigSafe("[dix] %s: XI2 conversion failed" "(%d, %d).\n", device->name, event->any.type, rc); xorg_backtrace (); } } while(0) |
3688 | "(%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", 3688 , __func__); if (1) ErrorFSigSafe("[dix] %s: XI2 conversion failed" "(%d, %d).\n", device->name, event->any.type, rc); xorg_backtrace (); } } while(0); |
3689 | return FALSE0; |
3690 | } |
3691 | count = 1; |
3692 | } |
3693 | else { |
3694 | rc = EventToXI(event, &xE, &count); |
3695 | if (rc != Success0) { |
3696 | if (rc != BadMatch8) |
3697 | 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", 3698 , __func__); if (1) ErrorFSigSafe("[dix] %s: XI conversion failed" "(%d, %d).\n", device->name, event->any.type, rc); xorg_backtrace (); } } while(0) |
3698 | "(%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", 3698 , __func__); if (1) ErrorFSigSafe("[dix] %s: XI conversion failed" "(%d, %d).\n", device->name, event->any.type, rc); xorg_backtrace (); } } while(0); |
3699 | return FALSE0; |
3700 | } |
3701 | } |
3702 | |
3703 | (*grabinfo->ActivateGrab) (device, grab, |
3704 | ClientTimeToServerTime(event->any.time), TRUE1); |
3705 | |
3706 | if (xE) { |
3707 | FixUpEventFromWindow(pSprite, xE, grab->window, None0L, TRUE1); |
3708 | |
3709 | /* XXX: XACE? */ |
3710 | TryClientEvents(rClient(grab)(clients[((int)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), device, xE, count, |
3711 | GetEventFilter(device, xE), |
3712 | GetEventFilter(device, xE), grab); |
3713 | } |
3714 | |
3715 | if (grabinfo->sync.state == FROZEN_NO_EVENT5) |
3716 | grabinfo->sync.state = FROZEN_WITH_EVENT6; |
3717 | *grabinfo->sync.event = real_event->device_event; |
3718 | |
3719 | free(xE); |
3720 | return TRUE1; |
3721 | } |
3722 | |
3723 | static BOOL |
3724 | CoreGrabInterferes(DeviceIntPtr device, GrabPtr grab) |
3725 | { |
3726 | DeviceIntPtr other; |
3727 | BOOL interfering = FALSE0; |
3728 | |
3729 | for (other = inputInfo.devices; other; other = other->next) { |
3730 | GrabPtr othergrab = other->deviceGrab.grab; |
3731 | |
3732 | if (othergrab && othergrab->grabtype == CORE && |
3733 | SameClient(grab, rClient(othergrab))((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == ((clients[ ((int)((((othergrab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]))->clientAsMask) && |
3734 | ((IsPointerDevice(grab->device) && |
3735 | IsPointerDevice(othergrab->device)) || |
3736 | (IsKeyboardDevice(grab->device) && |
3737 | IsKeyboardDevice(othergrab->device)))) { |
3738 | interfering = TRUE1; |
3739 | break; |
3740 | } |
3741 | } |
3742 | |
3743 | return interfering; |
3744 | } |
3745 | |
3746 | enum MatchFlags { |
3747 | NO_MATCH = 0x0, |
3748 | CORE_MATCH = 0x1, |
3749 | XI_MATCH = 0x2, |
3750 | XI2_MATCH = 0x4, |
3751 | }; |
3752 | |
3753 | /** |
3754 | * Match the grab against the temporary grab on the given input level. |
3755 | * Modifies the temporary grab pointer. |
3756 | * |
3757 | * @param grab The grab to match against |
3758 | * @param tmp The temporary grab to use for matching |
3759 | * @param level The input level we want to match on |
3760 | * @param event_type Wire protocol event type |
3761 | * |
3762 | * @return The respective matched flag or 0 for no match |
3763 | */ |
3764 | static enum MatchFlags |
3765 | MatchForType(const GrabPtr grab, GrabPtr tmp, enum InputLevel level, |
3766 | int event_type) |
3767 | { |
3768 | enum MatchFlags match; |
3769 | BOOL ignore_device = FALSE0; |
3770 | int grabtype; |
3771 | int evtype; |
3772 | |
3773 | switch (level) { |
3774 | case XI2: |
3775 | grabtype = XI2; |
3776 | evtype = GetXI2Type(event_type); |
3777 | BUG_WARN(!evtype)do { if (!evtype) { ErrorFSigSafe("BUG: triggered 'if (" "!evtype" ")'\n"); ErrorFSigSafe("BUG: %s:%u in %s()\n", "events.c", 3777 , __func__); if (0) ErrorFSigSafe(((void*)0)); xorg_backtrace (); } } while(0); |
3778 | match = XI2_MATCH; |
3779 | break; |
3780 | case XI: |
3781 | grabtype = XI; |
3782 | evtype = GetXIType(event_type); |
3783 | match = XI_MATCH; |
3784 | break; |
3785 | case CORE: |
3786 | grabtype = CORE; |
3787 | evtype = GetCoreType(event_type); |
3788 | match = CORE_MATCH; |
3789 | ignore_device = TRUE1; |
3790 | break; |
3791 | default: |
3792 | return NO_MATCH; |
3793 | } |
3794 | |
3795 | tmp->grabtype = grabtype; |
3796 | tmp->type = evtype; |
3797 | |
3798 | if (tmp->type && GrabMatchesSecond(tmp, grab, ignore_device)) |
3799 | return match; |
3800 | |
3801 | return NO_MATCH; |
3802 | } |
3803 | |
3804 | /** |
3805 | * Check an individual grab against an event to determine if a passive grab |
3806 | * should be activated. |
3807 | * |
3808 | * @param device The device of the event to check. |
3809 | * @param grab The grab to check. |
3810 | * @param event The current device event. |
3811 | * @param checkCore Check for core grabs too. |
3812 | * @param tempGrab A pre-allocated temporary grab record for matching. This |
3813 | * must have the window and device values filled in. |
3814 | * |
3815 | * @return Whether the grab matches the event. |
3816 | */ |
3817 | static Bool |
3818 | CheckPassiveGrab(DeviceIntPtr device, GrabPtr grab, InternalEvent *event, |
3819 | Bool checkCore, GrabPtr tempGrab) |
3820 | { |
3821 | DeviceIntPtr gdev; |
3822 | XkbSrvInfoPtr xkbi = NULL((void*)0); |
3823 | enum MatchFlags match = 0; |
3824 | int emulated_type = 0; |
3825 | |
3826 | gdev = grab->modifierDevice; |
3827 | if (grab->grabtype == CORE) { |
3828 | gdev = GetMaster(device, KEYBOARD_OR_FLOAT5); |
3829 | } |
3830 | else if (grab->grabtype == XI2) { |
3831 | /* if the device is an attached slave device, gdev must be the |
3832 | * attached master keyboard. Since the slave may have been |
3833 | * reattached after the grab, the modifier device may not be the |
3834 | * same. */ |
3835 | if (!IsMaster(grab->device) && !IsFloating(device)) |
3836 | gdev = GetMaster(device, MASTER_KEYBOARD2); |
3837 | } |
3838 | |
3839 | if (gdev && gdev->key) |
3840 | xkbi = gdev->key->xkbInfo; |
3841 | tempGrab->modifierDevice = grab->modifierDevice; |
3842 | tempGrab->modifiersDetail.exact = xkbi ? xkbi->state.grab_mods : 0; |
3843 | |
3844 | /* Check for XI2 and XI grabs first */ |
3845 | match = MatchForType(grab, tempGrab, XI2, event->any.type); |
3846 | |
3847 | if (!match && IsTouchEvent(event) && |
3848 | (event->device_event.flags & TOUCH_POINTER_EMULATED(1 << 5))) { |
3849 | emulated_type = TouchGetPointerEventType(event); |
3850 | match = MatchForType(grab, tempGrab, XI2, emulated_type); |
3851 | } |
3852 | |
3853 | if (!match) |
3854 | match = MatchForType(grab, tempGrab, XI, event->any.type); |
3855 | |
3856 | if (!match && emulated_type) |
3857 | match = MatchForType(grab, tempGrab, XI, emulated_type); |
3858 | |
3859 | if (!match && checkCore) { |
3860 | match = MatchForType(grab, tempGrab, CORE, event->any.type); |
3861 | if (!match && emulated_type) |
3862 | match = MatchForType(grab, tempGrab, CORE, emulated_type); |
3863 | } |
3864 | |
3865 | if (!match || (grab->confineTo && |
3866 | (!grab->confineTo->realized || |
3867 | !BorderSizeNotEmpty(device, grab->confineTo)))) |
3868 | return FALSE0; |
3869 | |
3870 | /* In some cases a passive core grab may exist, but the client |
3871 | * already has a core grab on some other device. In this case we |
3872 | * must not get the grab, otherwise we may never ungrab the |
3873 | * device. |
3874 | */ |
3875 | |
3876 | if (grab->grabtype == CORE) { |
3877 | /* A passive grab may have been created for a different device |
3878 | than it is assigned to at this point in time. |
3879 | Update the grab's device and modifier device to reflect the |
3880 | current state. |
3881 | Since XGrabDeviceButton requires to specify the |
3882 | modifierDevice explicitly, we don't override this choice. |
3883 | */ |
3884 | if (grab->type < GenericEvent35) { |
3885 | grab->device = device; |
3886 | grab->modifierDevice = GetMaster(device, MASTER_KEYBOARD2); |
3887 | } |
3888 | |
3889 | if (CoreGrabInterferes(device, grab)) |
3890 | return FALSE0; |
3891 | } |
3892 | |
3893 | return TRUE1; |
3894 | } |
3895 | |
3896 | /** |
3897 | * "CheckPassiveGrabsOnWindow" checks to see if the event passed in causes a |
3898 | * passive grab set on the window to be activated. |
3899 | * If activate is true and a passive grab is found, it will be activated, |
3900 | * and the event will be delivered to the client. |
3901 | * |
3902 | * @param pWin The window that may be subject to a passive grab. |
3903 | * @param device Device that caused the event. |
3904 | * @param event The current device event. |
3905 | * @param checkCore Check for core grabs too. |
3906 | * @param activate If a grab is found, activate it and deliver the event. |
3907 | */ |
3908 | |
3909 | GrabPtr |
3910 | CheckPassiveGrabsOnWindow(WindowPtr pWin, |
3911 | DeviceIntPtr device, |
3912 | InternalEvent *event, BOOL checkCore, BOOL activate) |
3913 | { |
3914 | GrabPtr grab = wPassiveGrabs(pWin)((pWin)->optional ? (pWin)->optional->passiveGrabs : ((void*)0)); |
3915 | GrabPtr tempGrab; |
3916 | |
3917 | if (!grab) |
3918 | return NULL((void*)0); |
3919 | |
3920 | tempGrab = AllocGrab(NULL((void*)0)); |
3921 | if (tempGrab == NULL((void*)0)) |
3922 | return NULL((void*)0); |
3923 | |
3924 | /* Fill out the grab details, but leave the type for later before |
3925 | * comparing */ |
3926 | switch (event->any.type) { |
3927 | case ET_KeyPress: |
3928 | case ET_KeyRelease: |
3929 | tempGrab->detail.exact = event->device_event.detail.key; |
3930 | break; |
3931 | case ET_ButtonPress: |
3932 | case ET_ButtonRelease: |
3933 | case ET_TouchBegin: |
3934 | case ET_TouchEnd: |
3935 | tempGrab->detail.exact = event->device_event.detail.button; |
3936 | break; |
3937 | default: |
3938 | tempGrab->detail.exact = 0; |
3939 | break; |
3940 | } |
3941 | tempGrab->window = pWin; |
3942 | tempGrab->device = device; |
3943 | tempGrab->detail.pMask = NULL((void*)0); |
3944 | tempGrab->modifiersDetail.pMask = NULL((void*)0); |
3945 | tempGrab->next = NULL((void*)0); |
3946 | |
3947 | for (; grab; grab = grab->next) { |
3948 | if (!CheckPassiveGrab(device, grab, event, checkCore, tempGrab)) |
3949 | continue; |
3950 | |
3951 | if (activate && !ActivatePassiveGrab(device, grab, event, event)) |
3952 | continue; |
3953 | |
3954 | break; |
3955 | } |
3956 | |
3957 | FreeGrab(tempGrab); |
3958 | return grab; |
3959 | } |
3960 | |
3961 | /** |
3962 | * CheckDeviceGrabs handles both keyboard and pointer events that may cause |
3963 | * a passive grab to be activated. |
3964 | * |
3965 | * If the event is a keyboard event, the ancestors of the focus window are |
3966 | * traced down and tried to see if they have any passive grabs to be |
3967 | * activated. If the focus window itself is reached and it's descendants |
3968 | * contain the pointer, the ancestors of the window that the pointer is in |
3969 | * are then traced down starting at the focus window, otherwise no grabs are |
3970 | * activated. |
3971 | * If the event is a pointer event, the ancestors of the window that the |
3972 | * pointer is in are traced down starting at the root until CheckPassiveGrabs |
3973 | * causes a passive grab to activate or all the windows are |
3974 | * tried. PRH |
3975 | * |
3976 | * If a grab is activated, the event has been sent to the client already! |
3977 | * |
3978 | * The event we pass in must always be an XI event. From this, we then emulate |
3979 | * the core event and then check for grabs. |
3980 | * |
3981 | * @param device The device that caused the event. |
3982 | * @param xE The event to handle (Device{Button|Key}Press). |
3983 | * @param count Number of events in list. |
3984 | * @return TRUE if a grab has been activated or false otherwise. |
3985 | */ |
3986 | |
3987 | Bool |
3988 | CheckDeviceGrabs(DeviceIntPtr device, DeviceEvent *event, WindowPtr ancestor) |
3989 | { |
3990 | int i; |
3991 | WindowPtr pWin = NULL((void*)0); |
3992 | FocusClassPtr focus = |
3993 | IsPointerEvent((InternalEvent *) event) ? NULL((void*)0) : device->focus; |
3994 | BOOL sendCore = (IsMaster(device) && device->coreEvents); |
3995 | Bool ret = FALSE0; |
3996 | |
3997 | if (event->type != ET_ButtonPress && event->type != ET_KeyPress) |
3998 | return FALSE0; |
3999 | |
4000 | if (event->type == ET_ButtonPress && (device->button->buttonsDown != 1)) |
4001 | return FALSE0; |
4002 | |
4003 | if (device->deviceGrab.grab) |
4004 | return FALSE0; |
4005 | |
4006 | i = 0; |
4007 | if (ancestor) { |
4008 | while (i < device->spriteInfo->sprite->spriteTraceGood) |
4009 | if (device->spriteInfo->sprite->spriteTrace[i++] == ancestor) |
4010 | break; |
4011 | if (i == device->spriteInfo->sprite->spriteTraceGood) |
4012 | goto out; |
4013 | } |
4014 | |
4015 | if (focus) { |
4016 | for (; i < focus->traceGood; i++) { |
4017 | pWin = focus->trace[i]; |
4018 | if (CheckPassiveGrabsOnWindow(pWin, device, (InternalEvent *) event, |
4019 | sendCore, TRUE1)) { |
4020 | ret = TRUE1; |
4021 | goto out; |
4022 | } |
4023 | } |
4024 | |
4025 | if ((focus->win == NoneWin((WindowPtr)0L)) || |
4026 | (i >= device->spriteInfo->sprite->spriteTraceGood) || |
4027 | (pWin && pWin != device->spriteInfo->sprite->spriteTrace[i - 1])) |
4028 | goto out; |
4029 | } |
4030 | |
4031 | for (; i < device->spriteInfo->sprite->spriteTraceGood; i++) { |
4032 | pWin = device->spriteInfo->sprite->spriteTrace[i]; |
4033 | if (CheckPassiveGrabsOnWindow(pWin, device, (InternalEvent *) event, |
4034 | sendCore, TRUE1)) { |
4035 | ret = TRUE1; |
4036 | goto out; |
4037 | } |
4038 | } |
4039 | |
4040 | out: |
4041 | if (ret == TRUE1 && event->type == ET_KeyPress) |
4042 | device->deviceGrab.activatingKey = event->detail.key; |
4043 | return ret; |
4044 | } |
4045 | |
4046 | /** |
4047 | * Called for keyboard events to deliver event to whatever client owns the |
4048 | * focus. |
4049 | * |
4050 | * The event is delivered to the keyboard's focus window, the root window or |
4051 | * to the window owning the input focus. |
4052 | * |
4053 | * @param keybd The keyboard originating the event. |
4054 | * @param event The event, not yet in wire format. |
4055 | * @param window Window underneath the sprite. |
4056 | */ |
4057 | void |
4058 | DeliverFocusedEvent(DeviceIntPtr keybd, InternalEvent *event, WindowPtr window) |
4059 | { |
4060 | DeviceIntPtr ptr; |
4061 | WindowPtr focus = keybd->focus->win; |
4062 | BOOL sendCore = (IsMaster(keybd) && keybd->coreEvents); |
4063 | xEvent *core = NULL((void*)0), *xE = NULL((void*)0), *xi2 = NULL((void*)0); |
4064 | int count, rc; |
4065 | int deliveries = 0; |
4066 | |
4067 | if (focus == FollowKeyboardWin((WindowPtr) 3)) |
4068 | focus = inputInfo.keyboard->focus->win; |
4069 | if (!focus) |
4070 | return; |
4071 | if (focus == PointerRootWin((WindowPtr)1L)) { |
4072 | DeliverDeviceEvents(window, event, NullGrab((GrabPtr)((void*)0)), NullWindow((WindowPtr) 0), keybd); |
4073 | return; |
4074 | } |
4075 | if ((focus == window) || IsParent(focus, window)) { |
4076 | if (DeliverDeviceEvents(window, event, NullGrab((GrabPtr)((void*)0)), focus, keybd)) |
4077 | return; |
4078 | } |
4079 | |
4080 | /* just deliver it to the focus window */ |
4081 | ptr = GetMaster(keybd, POINTER_OR_FLOAT6); |
4082 | |
4083 | rc = EventToXI2(event, &xi2); |
4084 | if (rc == Success0) { |
4085 | /* XXX: XACE */ |
4086 | int filter = GetEventFilter(keybd, xi2); |
4087 | |
4088 | FixUpEventFromWindow(ptr->spriteInfo->sprite, xi2, focus, None0L, FALSE0); |
4089 | deliveries = DeliverEventsToWindow(keybd, focus, xi2, 1, |
4090 | filter, NullGrab((GrabPtr)((void*)0))); |
4091 | if (deliveries > 0) |
4092 | goto unwind; |
4093 | } |
4094 | else if (rc != BadMatch8) |
4095 | ErrorF |
4096 | ("[dix] %s: XI2 conversion failed in DFE (%d, %d). Skipping delivery.\n", |
4097 | keybd->name, event->any.type, rc); |
4098 | |
4099 | rc = EventToXI(event, &xE, &count); |
4100 | if (rc == Success0 && |
4101 | XaceHook(XACE_SEND_ACCESS5, NULL((void*)0), keybd, focus, xE, count) == Success0) { |
4102 | FixUpEventFromWindow(ptr->spriteInfo->sprite, xE, focus, None0L, FALSE0); |
4103 | deliveries = DeliverEventsToWindow(keybd, focus, xE, count, |
4104 | GetEventFilter(keybd, xE), NullGrab((GrabPtr)((void*)0))); |
4105 | |
4106 | if (deliveries > 0) |
4107 | goto unwind; |
4108 | } |
4109 | else if (rc != BadMatch8) |
4110 | ErrorF |
4111 | ("[dix] %s: XI conversion failed in DFE (%d, %d). Skipping delivery.\n", |
4112 | keybd->name, event->any.type, rc); |
4113 | |
4114 | if (sendCore) { |
4115 | rc = EventToCore(event, &core, &count); |
4116 | if (rc == Success0) { |
4117 | if (XaceHook(XACE_SEND_ACCESS5, NULL((void*)0), keybd, focus, core, count) == |
4118 | Success0) { |
4119 | FixUpEventFromWindow(keybd->spriteInfo->sprite, core, focus, |
4120 | None0L, FALSE0); |
4121 | deliveries = |
Value stored to 'deliveries' is never read | |
4122 | DeliverEventsToWindow(keybd, focus, core, count, |
4123 | GetEventFilter(keybd, core), |
4124 | NullGrab((GrabPtr)((void*)0))); |
4125 | } |
4126 | } |
4127 | else if (rc != BadMatch8) |
4128 | ErrorF |
4129 | ("[dix] %s: core conversion failed DFE (%d, %d). Skipping delivery.\n", |
4130 | keybd->name, event->any.type, rc); |
4131 | } |
4132 | |
4133 | unwind: |
4134 | free(core); |
4135 | free(xE); |
4136 | free(xi2); |
4137 | return; |
4138 | } |
4139 | |
4140 | int |
4141 | DeliverOneGrabbedEvent(InternalEvent *event, DeviceIntPtr dev, |
4142 | enum InputLevel level) |
4143 | { |
4144 | SpritePtr pSprite = dev->spriteInfo->sprite; |
4145 | int rc; |
4146 | xEvent *xE = NULL((void*)0); |
4147 | int count = 0; |
4148 | int deliveries = 0; |
4149 | Mask mask; |
4150 | GrabInfoPtr grabinfo = &dev->deviceGrab; |
4151 | GrabPtr grab = grabinfo->grab; |
4152 | Mask filter; |
4153 | |
4154 | if (grab->grabtype != level) |
4155 | return 0; |
4156 | |
4157 | switch (level) { |
4158 | case XI2: |
4159 | rc = EventToXI2(event, &xE); |
4160 | count = 1; |
4161 | if (rc == Success0) { |
4162 | int evtype = xi2_get_type(xE); |
4163 | |
4164 | mask = GetXI2MaskByte(grab->xi2mask, dev, evtype); |
4165 | filter = GetEventFilter(dev, xE); |
4166 | } |
4167 | break; |
4168 | case XI: |
4169 | if (grabinfo->fromPassiveGrab && grabinfo->implicitGrab) |
4170 | mask = grab->deviceMask; |
4171 | else |
4172 | mask = grab->eventMask; |
4173 | rc = EventToXI(event, &xE, &count); |
4174 | if (rc == Success0) |
4175 | filter = GetEventFilter(dev, xE); |
4176 | break; |
4177 | case CORE: |
4178 | rc = EventToCore(event, &xE, &count); |
4179 | mask = grab->eventMask; |
4180 | if (rc == Success0) |
4181 | filter = GetEventFilter(dev, xE); |
4182 | break; |
4183 | default: |
4184 | 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", 4184, __func__ ); if (1) ErrorFSigSafe("Invalid input level %d\n", level); xorg_backtrace (); } } while(0); |
4185 | return 0; |
4186 | } |
4187 | |
4188 | if (rc == Success0) { |
4189 | FixUpEventFromWindow(pSprite, xE, grab->window, None0L, TRUE1); |
4190 | if (XaceHook(XACE_SEND_ACCESS5, 0, dev, |
4191 | grab->window, xE, count) || |
4192 | XaceHook(XACE_RECEIVE_ACCESS6, rClient(grab)(clients[((int)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), |
4193 | grab->window, xE, count)) |
4194 | deliveries = 1; /* don't send, but pretend we did */ |
4195 | else if (level != CORE || !IsInterferingGrab(rClient(grab)(clients[((int)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), dev, xE)) { |
4196 | deliveries = TryClientEvents(rClient(grab)(clients[((int)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), dev, |
4197 | xE, count, mask, filter, grab); |
4198 | } |
4199 | } |
4200 | else |
4201 | 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", 4203 , __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 | "%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", 4203 , __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) |
4203 | 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", 4203 , __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); |
4204 | |
4205 | free(xE); |
4206 | return deliveries; |
4207 | } |
4208 | |
4209 | /** |
4210 | * Deliver an event from a device that is currently grabbed. Uses |
4211 | * DeliverDeviceEvents() for further delivery if a ownerEvents is set on the |
4212 | * grab. If not, TryClientEvents() is used. |
4213 | * |
4214 | * @param deactivateGrab True if the device's grab should be deactivated. |
4215 | * |
4216 | * @return The number of events delivered. |
4217 | */ |
4218 | int |
4219 | DeliverGrabbedEvent(InternalEvent *event, DeviceIntPtr thisDev, |
4220 | Bool deactivateGrab) |
4221 | { |
4222 | GrabPtr grab; |
4223 | GrabInfoPtr grabinfo; |
4224 | int deliveries = 0; |
4225 | DeviceIntPtr dev; |
4226 | SpritePtr pSprite = thisDev->spriteInfo->sprite; |
4227 | BOOL sendCore = FALSE0; |
4228 | |
4229 | grabinfo = &thisDev->deviceGrab; |
4230 | grab = grabinfo->grab; |
4231 | |
4232 | if (grab->ownerEvents) { |
4233 | WindowPtr focus; |
4234 | |
4235 | /* Hack: Some pointer device have a focus class. So we need to check |
4236 | * for the type of event, to see if we really want to deliver it to |
4237 | * the focus window. For pointer events, the answer is no. |
4238 | */ |
4239 | if (IsPointerEvent(event)) |
4240 | focus = PointerRootWin((WindowPtr)1L); |
4241 | else if (thisDev->focus) { |
4242 | focus = thisDev->focus->win; |
4243 | if (focus == FollowKeyboardWin((WindowPtr) 3)) |
4244 | focus = inputInfo.keyboard->focus->win; |
4245 | } |
4246 | else |
4247 | focus = PointerRootWin((WindowPtr)1L); |
4248 | if (focus == PointerRootWin((WindowPtr)1L)) |
4249 | deliveries = DeliverDeviceEvents(pSprite->win, event, grab, |
4250 | NullWindow((WindowPtr) 0), thisDev); |
4251 | else if (focus && (focus == pSprite->win || |
4252 | IsParent(focus, pSprite->win))) |
4253 | deliveries = DeliverDeviceEvents(pSprite->win, event, grab, focus, |
4254 | thisDev); |
4255 | else if (focus) |
4256 | deliveries = DeliverDeviceEvents(focus, event, grab, focus, |
4257 | thisDev); |
4258 | } |
4259 | if (!deliveries) { |
4260 | sendCore = (IsMaster(thisDev) && thisDev->coreEvents); |
4261 | /* try core event */ |
4262 | if ((sendCore && grab->grabtype == CORE) || grab->grabtype != CORE) |
4263 | deliveries = DeliverOneGrabbedEvent(event, thisDev, grab->grabtype); |
4264 | |
4265 | if (deliveries && (event->any.type == ET_Motion)) |
4266 | thisDev->valuator->motionHintWindow = grab->window; |
4267 | } |
4268 | if (deliveries && !deactivateGrab && |
4269 | (event->any.type == ET_KeyPress || |
4270 | event->any.type == ET_KeyRelease || |
4271 | event->any.type == ET_ButtonPress || |
4272 | event->any.type == ET_ButtonRelease)) { |
4273 | switch (grabinfo->sync.state) { |
4274 | case FREEZE_BOTH_NEXT_EVENT4: |
4275 | dev = GetPairedDevice(thisDev); |
4276 | if (dev) { |
4277 | FreezeThaw(dev, TRUE1); |
4278 | if ((dev->deviceGrab.sync.state == FREEZE_BOTH_NEXT_EVENT4) && |
4279 | (CLIENT_BITS(grab->resource)((grab->resource) & (((1 << ResourceClientBits() ) - 1) << (29 - ResourceClientBits()))) == |
4280 | CLIENT_BITS(dev->deviceGrab.grab->resource)((dev->deviceGrab.grab->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))))) |
4281 | dev->deviceGrab.sync.state = FROZEN_NO_EVENT5; |
4282 | else |
4283 | dev->deviceGrab.sync.other = grab; |
4284 | } |
4285 | /* fall through */ |
4286 | case FREEZE_NEXT_EVENT3: |
4287 | grabinfo->sync.state = FROZEN_WITH_EVENT6; |
4288 | FreezeThaw(thisDev, TRUE1); |
4289 | *grabinfo->sync.event = event->device_event; |
4290 | break; |
4291 | } |
4292 | } |
4293 | |
4294 | return deliveries; |
4295 | } |
4296 | |
4297 | /* This function is used to set the key pressed or key released state - |
4298 | this is only used when the pressing of keys does not cause |
4299 | the device's processInputProc to be called, as in for example Mouse Keys. |
4300 | */ |
4301 | void |
4302 | FixKeyState(DeviceEvent *event, DeviceIntPtr keybd) |
4303 | { |
4304 | int key = event->detail.key; |
4305 | |
4306 | if (event->type == ET_KeyPress) { |
4307 | DebugF("FixKeyState: Key %d %s\n", key, |
4308 | ((event->type == ET_KeyPress) ? "down" : "up")); |
4309 | } |
4310 | |
4311 | if (event->type == ET_KeyPress) |
4312 | set_key_down(keybd, key, KEY_PROCESSED1); |
4313 | else if (event->type == ET_KeyRelease) |
4314 | set_key_up(keybd, key, KEY_PROCESSED1); |
4315 | else |
4316 | FatalError("Impossible keyboard event"); |
4317 | } |
4318 | |
4319 | #define AtMostOneClient((1L<<20) | (1L<<18) | (1L<<2)) \ |
4320 | (SubstructureRedirectMask(1L<<20) | ResizeRedirectMask(1L<<18) | ButtonPressMask(1L<<2)) |
4321 | #define ManagerMask((1L<<20) | (1L<<18)) \ |
4322 | (SubstructureRedirectMask(1L<<20) | ResizeRedirectMask(1L<<18)) |
4323 | |
4324 | /** |
4325 | * Recalculate which events may be deliverable for the given window. |
4326 | * Recalculated mask is used for quicker determination which events may be |
4327 | * delivered to a window. |
4328 | * |
4329 | * The otherEventMasks on a WindowOptional is the combination of all event |
4330 | * masks set by all clients on the window. |
4331 | * deliverableEventMask is the combination of the eventMask and the |
4332 | * otherEventMask plus the events that may be propagated to the parent. |
4333 | * |
4334 | * Traverses to siblings and parents of the window. |
4335 | */ |
4336 | void |
4337 | RecalculateDeliverableEvents(WindowPtr pWin) |
4338 | { |
4339 | OtherClients *others; |
4340 | WindowPtr pChild; |
4341 | |
4342 | pChild = pWin; |
4343 | while (1) { |
4344 | if (pChild->optional) { |
4345 | pChild->optional->otherEventMasks = 0; |
4346 | for (others = wOtherClients(pChild)((pChild)->optional ? (pChild)->optional->otherClients : ((void*)0)); others; others = others->next) { |
4347 | pChild->optional->otherEventMasks |= others->mask; |
4348 | } |
4349 | } |
4350 | pChild->deliverableEvents = pChild->eventMask | |
4351 | wOtherEventMasks(pChild)((pChild)->optional ? (pChild)->optional->otherEventMasks : 0); |
4352 | if (pChild->parent) |
4353 | pChild->deliverableEvents |= |
4354 | (pChild->parent->deliverableEvents & |
4355 | ~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) ) )); |
4356 | if (pChild->firstChild) { |
4357 | pChild = pChild->firstChild; |
4358 | continue; |
4359 | } |
4360 | while (!pChild->nextSib && (pChild != pWin)) |
4361 | pChild = pChild->parent; |
4362 | if (pChild == pWin) |
4363 | break; |
4364 | pChild = pChild->nextSib; |
4365 | } |
4366 | } |
4367 | |
4368 | /** |
4369 | * |
4370 | * \param value must conform to DeleteType |
4371 | */ |
4372 | int |
4373 | OtherClientGone(void *value, XID id) |
4374 | { |
4375 | OtherClientsPtr other, prev; |
4376 | WindowPtr pWin = (WindowPtr) value; |
4377 | |
4378 | prev = 0; |
4379 | for (other = wOtherClients(pWin)((pWin)->optional ? (pWin)->optional->otherClients : ((void*)0)); other; other = other->next) { |
4380 | if (other->resource == id) { |
4381 | if (prev) |
4382 | prev->next = other->next; |
4383 | else { |
4384 | if (!(pWin->optional->otherClients = other->next)) |
4385 | CheckWindowOptionalNeed(pWin); |
4386 | } |
4387 | free(other); |
4388 | RecalculateDeliverableEvents(pWin); |
4389 | return Success0; |
4390 | } |
4391 | prev = other; |
4392 | } |
4393 | FatalError("client not on event list"); |
4394 | } |
4395 | |
4396 | int |
4397 | EventSelectForWindow(WindowPtr pWin, ClientPtr client, Mask mask) |
4398 | { |
4399 | Mask check; |
4400 | OtherClients *others; |
4401 | DeviceIntPtr dev; |
4402 | int rc; |
4403 | |
4404 | if (mask & ~AllEventMasks((1L<<24)|((1L<<24)-1))) { |
4405 | client->errorValue = mask; |
4406 | return BadValue2; |
4407 | } |
4408 | check = (mask & ManagerMask((1L<<20) | (1L<<18))); |
4409 | if (check) { |
4410 | rc = XaceHook(XACE_RESOURCE_ACCESS2, client, pWin->drawable.id, |
4411 | RT_WINDOW((RESTYPE)1|((RESTYPE)1<<30)), pWin, RT_NONE((RESTYPE)0), NULL((void*)0), DixManageAccess(1<<25)); |
4412 | if (rc != Success0) |
4413 | return rc; |
4414 | } |
4415 | check = (mask & AtMostOneClient((1L<<20) | (1L<<18) | (1L<<2))); |
4416 | if (check & (pWin->eventMask | wOtherEventMasks(pWin)((pWin)->optional ? (pWin)->optional->otherEventMasks : 0))) { |
4417 | /* It is illegal for two different clients to select on any of the |
4418 | events for AtMostOneClient. However, it is OK, for some client to |
4419 | continue selecting on one of those events. */ |
4420 | if ((wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]) != client) && (check & pWin->eventMask)) |
4421 | return BadAccess10; |
4422 | for (others = wOtherClients(pWin)((pWin)->optional ? (pWin)->optional->otherClients : ((void*)0)); others; others = others->next) { |
4423 | if (!SameClient(others, client)((((others)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask) && (check & others->mask)) |
4424 | return BadAccess10; |
4425 | } |
4426 | } |
4427 | if (wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]) == client) { |
4428 | check = pWin->eventMask; |
4429 | pWin->eventMask = mask; |
4430 | } |
4431 | else { |
4432 | for (others = wOtherClients(pWin)((pWin)->optional ? (pWin)->optional->otherClients : ((void*)0)); others; others = others->next) { |
4433 | if (SameClient(others, client)((((others)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) { |
4434 | check = others->mask; |
4435 | if (mask == 0) { |
4436 | FreeResource(others->resource, RT_NONE((RESTYPE)0)); |
4437 | return Success0; |
4438 | } |
4439 | else |
4440 | others->mask = mask; |
4441 | goto maskSet; |
4442 | } |
4443 | } |
4444 | check = 0; |
4445 | if (!pWin->optional && !MakeWindowOptional(pWin)) |
4446 | return BadAlloc11; |
4447 | others = malloc(sizeof(OtherClients)); |
4448 | if (!others) |
4449 | return BadAlloc11; |
4450 | others->mask = mask; |
4451 | others->resource = FakeClientID(client->index); |
4452 | others->next = pWin->optional->otherClients; |
4453 | pWin->optional->otherClients = others; |
4454 | if (!AddResourceDarwin_X_AddResource(others->resource, RT_OTHERCLIENT((RESTYPE)8|((RESTYPE)1<<29)), (void *) pWin)) |
4455 | return BadAlloc11; |
4456 | } |
4457 | maskSet: |
4458 | if ((mask & PointerMotionHintMask(1L<<7)) && !(check & PointerMotionHintMask(1L<<7))) { |
4459 | for (dev = inputInfo.devices; dev; dev = dev->next) { |
4460 | if (dev->valuator && dev->valuator->motionHintWindow == pWin) |
4461 | dev->valuator->motionHintWindow = NullWindow((WindowPtr) 0); |
4462 | } |
4463 | } |
4464 | RecalculateDeliverableEvents(pWin); |
4465 | return Success0; |
4466 | } |
4467 | |
4468 | int |
4469 | EventSuppressForWindow(WindowPtr pWin, ClientPtr client, |
4470 | Mask mask, Bool *checkOptional) |
4471 | { |
4472 | int i, freed; |
4473 | |
4474 | 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) ) )) { |
4475 | client->errorValue = mask; |
4476 | return BadValue2; |
4477 | } |
4478 | if (pWin->dontPropagate) |
4479 | DontPropagateRefCnts[pWin->dontPropagate]--; |
4480 | if (!mask) |
4481 | i = 0; |
4482 | else { |
4483 | for (i = DNPMCOUNT8, freed = 0; --i > 0;) { |
4484 | if (!DontPropagateRefCnts[i]) |
4485 | freed = i; |
4486 | else if (mask == DontPropagateMasks[i]) |
4487 | break; |
4488 | } |
4489 | if (!i && freed) { |
4490 | i = freed; |
4491 | DontPropagateMasks[i] = mask; |
4492 | } |
4493 | } |
4494 | if (i || !mask) { |
4495 | pWin->dontPropagate = i; |
4496 | if (i) |
4497 | DontPropagateRefCnts[i]++; |
4498 | if (pWin->optional) { |
4499 | pWin->optional->dontPropagateMask = mask; |
4500 | *checkOptional = TRUE1; |
4501 | } |
4502 | } |
4503 | else { |
4504 | if (!pWin->optional && !MakeWindowOptional(pWin)) { |
4505 | if (pWin->dontPropagate) |
4506 | DontPropagateRefCnts[pWin->dontPropagate]++; |
4507 | return BadAlloc11; |
4508 | } |
4509 | pWin->dontPropagate = 0; |
4510 | pWin->optional->dontPropagateMask = mask; |
4511 | } |
4512 | RecalculateDeliverableEvents(pWin); |
4513 | return Success0; |
4514 | } |
4515 | |
4516 | /** |
4517 | * Assembles an EnterNotify or LeaveNotify and sends it event to the client. |
4518 | * Uses the paired keyboard to get some additional information. |
4519 | */ |
4520 | void |
4521 | CoreEnterLeaveEvent(DeviceIntPtr mouse, |
4522 | int type, |
4523 | int mode, int detail, WindowPtr pWin, Window child) |
4524 | { |
4525 | xEvent event = { |
4526 | .u.u.type = type, |
4527 | .u.u.detail = detail |
4528 | }; |
4529 | WindowPtr focus; |
4530 | DeviceIntPtr keybd; |
4531 | GrabPtr grab = mouse->deviceGrab.grab; |
4532 | Mask mask; |
4533 | |
4534 | keybd = GetMaster(mouse, KEYBOARD_OR_FLOAT5); |
4535 | |
4536 | if ((pWin == mouse->valuator->motionHintWindow) && |
4537 | (detail != NotifyInferior2)) |
4538 | mouse->valuator->motionHintWindow = NullWindow((WindowPtr) 0); |
4539 | if (grab) { |
4540 | mask = (pWin == grab->window) ? grab->eventMask : 0; |
4541 | if (grab->ownerEvents) |
4542 | mask |= EventMaskForClient(pWin, rClient(grab)(clients[((int)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))])); |
4543 | } |
4544 | else { |
4545 | mask = pWin->eventMask | wOtherEventMasks(pWin)((pWin)->optional ? (pWin)->optional->otherEventMasks : 0); |
4546 | } |
4547 | |
4548 | event.u.enterLeave.time = currentTime.milliseconds; |
4549 | event.u.enterLeave.rootX = mouse->spriteInfo->sprite->hot.x; |
4550 | event.u.enterLeave.rootY = mouse->spriteInfo->sprite->hot.y; |
4551 | /* Counts on the same initial structure of crossing & button events! */ |
4552 | FixUpEventFromWindow(mouse->spriteInfo->sprite, &event, pWin, None0L, FALSE0); |
4553 | /* Enter/Leave events always set child */ |
4554 | event.u.enterLeave.child = child; |
4555 | event.u.enterLeave.flags = event.u.keyButtonPointer.sameScreen ? |
4556 | ELFlagSameScreen(1<<1) : 0; |
4557 | event.u.enterLeave.state = |
4558 | mouse->button ? (mouse->button->state & 0x1f00) : 0; |
4559 | if (keybd) |
4560 | event.u.enterLeave.state |= |
4561 | XkbGrabStateFromRec(&keybd->key->xkbInfo->state)(((((&keybd->key->xkbInfo->state)->group)& 0x3)<<13)|(((&keybd->key->xkbInfo->state)-> grab_mods)&0xff)); |
4562 | event.u.enterLeave.mode = mode; |
4563 | focus = (keybd) ? keybd->focus->win : None0L; |
4564 | if ((focus != NoneWin((WindowPtr)0L)) && |
4565 | ((pWin == focus) || (focus == PointerRootWin((WindowPtr)1L)) || IsParent(focus, pWin))) |
4566 | event.u.enterLeave.flags |= ELFlagFocus(1<<0); |
4567 | |
4568 | if ((mask & GetEventFilter(mouse, &event))) { |
4569 | if (grab) |
4570 | TryClientEvents(rClient(grab)(clients[((int)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), mouse, &event, 1, mask, |
4571 | GetEventFilter(mouse, &event), grab); |
4572 | else |
4573 | DeliverEventsToWindow(mouse, pWin, &event, 1, |
4574 | GetEventFilter(mouse, &event), NullGrab((GrabPtr)((void*)0))); |
4575 | } |
4576 | |
4577 | if ((type == EnterNotify7) && (mask & KeymapStateMask(1L<<14))) { |
4578 | xKeymapEvent ke = { |
4579 | .type = KeymapNotify11 |
4580 | }; |
4581 | ClientPtr client = grab ? rClient(grab)(clients[((int)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]) : wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]); |
4582 | int rc; |
4583 | |
4584 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, keybd, DixReadAccess(1<<0)); |
4585 | if (rc == Success0) |
4586 | 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)); |
4587 | |
4588 | if (grab) |
4589 | TryClientEvents(rClient(grab)(clients[((int)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), keybd, (xEvent *) &ke, 1, |
4590 | mask, KeymapStateMask(1L<<14), grab); |
4591 | else |
4592 | DeliverEventsToWindow(mouse, pWin, (xEvent *) &ke, 1, |
4593 | KeymapStateMask(1L<<14), NullGrab((GrabPtr)((void*)0))); |
4594 | } |
4595 | } |
4596 | |
4597 | void |
4598 | DeviceEnterLeaveEvent(DeviceIntPtr mouse, |
4599 | int sourceid, |
4600 | int type, |
4601 | int mode, int detail, WindowPtr pWin, Window child) |
4602 | { |
4603 | GrabPtr grab = mouse->deviceGrab.grab; |
4604 | xXIEnterEvent *event; |
4605 | WindowPtr focus; |
4606 | int filter; |
4607 | int btlen, len, i; |
4608 | DeviceIntPtr kbd; |
4609 | |
4610 | if ((mode == XINotifyPassiveGrab4 && type == XI_Leave8) || |
4611 | (mode == XINotifyPassiveUngrab5 && type == XI_Enter7)) |
4612 | return; |
4613 | |
4614 | btlen = (mouse->button) ? bits_to_bytes(mouse->button->numButtons) : 0; |
4615 | btlen = bytes_to_int32(btlen); |
4616 | len = sizeof(xXIEnterEvent) + btlen * 4; |
4617 | |
4618 | event = calloc(1, len); |
4619 | event->type = GenericEvent35; |
4620 | event->extension = IReqCode; |
4621 | event->evtype = type; |
4622 | event->length = (len - sizeof(xEvent)) / 4; |
4623 | event->buttons_len = btlen; |
4624 | event->detail = detail; |
4625 | event->time = currentTime.milliseconds; |
4626 | event->deviceid = mouse->id; |
4627 | event->sourceid = sourceid; |
4628 | event->mode = mode; |
4629 | event->root_x = double_to_fp1616(mouse->spriteInfo->sprite->hot.x); |
4630 | event->root_y = double_to_fp1616(mouse->spriteInfo->sprite->hot.y); |
4631 | |
4632 | for (i = 0; mouse && mouse->button && i < mouse->button->numButtons; i++) |
4633 | if (BitIsOn(mouse->button->down, i)(!!(((const BYTE *) (mouse->button->down))[(i)>>3 ] & (1 << ((i) & 7))))) |
4634 | SetBit(&event[1], i)(((BYTE *) (&event[1]))[(i)>>3] |= (1 << ((i) & 7))); |
4635 | |
4636 | kbd = GetMaster(mouse, MASTER_KEYBOARD2); |
4637 | if (kbd && kbd->key) { |
4638 | event->mods.base_mods = kbd->key->xkbInfo->state.base_mods; |
4639 | event->mods.latched_mods = kbd->key->xkbInfo->state.latched_mods; |
4640 | event->mods.locked_mods = kbd->key->xkbInfo->state.locked_mods; |
4641 | |
4642 | event->group.base_group = kbd->key->xkbInfo->state.base_group; |
4643 | event->group.latched_group = kbd->key->xkbInfo->state.latched_group; |
4644 | event->group.locked_group = kbd->key->xkbInfo->state.locked_group; |
4645 | } |
4646 | |
4647 | focus = (kbd) ? kbd->focus->win : None0L; |
4648 | if ((focus != NoneWin((WindowPtr)0L)) && |
4649 | ((pWin == focus) || (focus == PointerRootWin((WindowPtr)1L)) || IsParent(focus, pWin))) |
4650 | event->focus = TRUE1; |
4651 | |
4652 | FixUpEventFromWindow(mouse->spriteInfo->sprite, (xEvent *) event, pWin, |
4653 | None0L, FALSE0); |
4654 | |
4655 | filter = GetEventFilter(mouse, (xEvent *) event); |
4656 | |
4657 | if (grab && grab->grabtype == XI2) { |
4658 | Mask mask; |
4659 | |
4660 | mask = xi2mask_isset(grab->xi2mask, mouse, type); |
4661 | TryClientEvents(rClient(grab)(clients[((int)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits())))]), mouse, (xEvent *) event, 1, mask, 1, |
4662 | grab); |
4663 | } |
4664 | else { |
4665 | if (!WindowXI2MaskIsset(mouse, pWin, (xEvent *) event)) |
4666 | goto out; |
4667 | DeliverEventsToWindow(mouse, pWin, (xEvent *) event, 1, filter, |
4668 | NullGrab((GrabPtr)((void*)0))); |
4669 | } |
4670 | |
4671 | out: |
4672 | free(event); |
4673 | } |
4674 | |
4675 | void |
4676 | CoreFocusEvent(DeviceIntPtr dev, int type, int mode, int detail, WindowPtr pWin) |
4677 | { |
4678 | xEvent event = { |
4679 | .u.u.type = type, |
4680 | .u.u.detail = detail |
4681 | }; |
4682 | event.u.focus.mode = mode; |
4683 | event.u.focus.window = pWin->drawable.id; |
4684 | |
4685 | DeliverEventsToWindow(dev, pWin, &event, 1, |
4686 | GetEventFilter(dev, &event), NullGrab((GrabPtr)((void*)0))); |
4687 | if ((type == FocusIn9) && |
4688 | ((pWin->eventMask | wOtherEventMasks(pWin)((pWin)->optional ? (pWin)->optional->otherEventMasks : 0)) & KeymapStateMask(1L<<14))) { |
4689 | xKeymapEvent ke = { |
4690 | .type = KeymapNotify11 |
4691 | }; |
4692 | ClientPtr client = wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]); |
4693 | int rc; |
4694 | |
4695 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, dev, DixReadAccess(1<<0)); |
4696 | if (rc == Success0) |
4697 | 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)); |
4698 | |
4699 | DeliverEventsToWindow(dev, pWin, (xEvent *) &ke, 1, |
4700 | KeymapStateMask(1L<<14), NullGrab((GrabPtr)((void*)0))); |
4701 | } |
4702 | } |
4703 | |
4704 | /** |
4705 | * Set the input focus to the given window. Subsequent keyboard events will be |
4706 | * delivered to the given window. |
4707 | * |
4708 | * Usually called from ProcSetInputFocus as result of a client request. If so, |
4709 | * the device is the inputInfo.keyboard. |
4710 | * If called from ProcXSetInputFocus as result of a client xinput request, the |
4711 | * device is set to the device specified by the client. |
4712 | * |
4713 | * @param client Client that requested input focus change. |
4714 | * @param dev Focus device. |
4715 | * @param focusID The window to obtain the focus. Can be PointerRoot or None. |
4716 | * @param revertTo Specifies where the focus reverts to when window becomes |
4717 | * unviewable. |
4718 | * @param ctime Specifies the time. |
4719 | * @param followOK True if pointer is allowed to follow the keyboard. |
4720 | */ |
4721 | int |
4722 | SetInputFocus(ClientPtr client, |
4723 | DeviceIntPtr dev, |
4724 | Window focusID, CARD8 revertTo, Time ctime, Bool followOK) |
4725 | { |
4726 | FocusClassPtr focus; |
4727 | WindowPtr focusWin; |
4728 | int mode, rc; |
4729 | TimeStamp time; |
4730 | DeviceIntPtr keybd; /* used for FollowKeyboard or FollowKeyboardWin */ |
4731 | |
4732 | UpdateCurrentTime(); |
4733 | if ((revertTo != RevertToParent2) && |
4734 | (revertTo != RevertToPointerRoot(int)1L) && |
4735 | (revertTo != RevertToNone(int)0L) && |
4736 | ((revertTo != RevertToFollowKeyboard3) || !followOK)) { |
4737 | client->errorValue = revertTo; |
4738 | return BadValue2; |
4739 | } |
4740 | time = ClientTimeToServerTime(ctime); |
4741 | |
4742 | keybd = GetMaster(dev, KEYBOARD_OR_FLOAT5); |
4743 | |
4744 | if ((focusID == None0L) || (focusID == PointerRoot1L)) |
4745 | focusWin = (WindowPtr) (long) focusID; |
4746 | else if ((focusID == FollowKeyboard3) && followOK) { |
4747 | focusWin = keybd->focus->win; |
4748 | } |
4749 | else { |
4750 | rc = dixLookupWindow(&focusWin, focusID, client, DixSetAttrAccess(1<<5)); |
4751 | if (rc != Success0) |
4752 | return rc; |
4753 | /* It is a match error to try to set the input focus to an |
4754 | unviewable window. */ |
4755 | if (!focusWin->realized) |
4756 | return BadMatch8; |
4757 | } |
4758 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, dev, DixSetFocusAccess(1<<10)); |
4759 | if (rc != Success0) |
4760 | return Success0; |
4761 | |
4762 | focus = dev->focus; |
4763 | if ((CompareTimeStamps(time, currentTime) == LATER1) || |
4764 | (CompareTimeStamps(time, focus->time) == EARLIER-1)) |
4765 | return Success0; |
4766 | mode = (dev->deviceGrab.grab) ? NotifyWhileGrabbed3 : NotifyNormal0; |
4767 | if (focus->win == FollowKeyboardWin((WindowPtr) 3)) { |
4768 | if (!ActivateFocusInGrab(dev, keybd->focus->win, focusWin)) |
4769 | DoFocusEvents(dev, keybd->focus->win, focusWin, mode); |
4770 | } |
4771 | else { |
4772 | if (!ActivateFocusInGrab(dev, focus->win, focusWin)) |
4773 | DoFocusEvents(dev, focus->win, focusWin, mode); |
4774 | } |
4775 | focus->time = time; |
4776 | focus->revert = revertTo; |
4777 | if (focusID == FollowKeyboard3) |
4778 | focus->win = FollowKeyboardWin((WindowPtr) 3); |
4779 | else |
4780 | focus->win = focusWin; |
4781 | if ((focusWin == NoneWin((WindowPtr)0L)) || (focusWin == PointerRootWin((WindowPtr)1L))) |
4782 | focus->traceGood = 0; |
4783 | else { |
4784 | int depth = 0; |
4785 | WindowPtr pWin; |
4786 | |
4787 | for (pWin = focusWin; pWin; pWin = pWin->parent) |
4788 | depth++; |
4789 | if (depth > focus->traceSize) { |
4790 | focus->traceSize = depth + 1; |
4791 | focus->trace = reallocarrayxreallocarray(focus->trace, focus->traceSize, |
4792 | sizeof(WindowPtr)); |
4793 | } |
4794 | focus->traceGood = depth; |
4795 | for (pWin = focusWin, depth--; pWin; pWin = pWin->parent, depth--) |
4796 | focus->trace[depth] = pWin; |
4797 | } |
4798 | return Success0; |
4799 | } |
4800 | |
4801 | /** |
4802 | * Server-side protocol handling for SetInputFocus request. |
4803 | * |
4804 | * Sets the input focus for the virtual core keyboard. |
4805 | */ |
4806 | int |
4807 | ProcSetInputFocus(ClientPtr client) |
4808 | { |
4809 | DeviceIntPtr kbd = PickKeyboard(client); |
4810 | |
4811 | REQUEST(xSetInputFocusReq)xSetInputFocusReq *stuff = (xSetInputFocusReq *)client->requestBuffer; |
4812 | |
4813 | REQUEST_SIZE_MATCH(xSetInputFocusReq)if ((sizeof(xSetInputFocusReq) >> 2) != client->req_len ) return(16); |
4814 | |
4815 | return SetInputFocus(client, kbd, stuff->focus, |
4816 | stuff->revertTo, stuff->time, FALSE0); |
4817 | } |
4818 | |
4819 | /** |
4820 | * Server-side protocol handling for GetInputFocus request. |
4821 | * |
4822 | * Sends the current input focus for the client's keyboard back to the |
4823 | * client. |
4824 | */ |
4825 | int |
4826 | ProcGetInputFocus(ClientPtr client) |
4827 | { |
4828 | DeviceIntPtr kbd = PickKeyboard(client); |
4829 | xGetInputFocusReply rep; |
4830 | FocusClassPtr focus = kbd->focus; |
4831 | int rc; |
4832 | |
4833 | /* REQUEST(xReq); */ |
4834 | REQUEST_SIZE_MATCH(xReq)if ((sizeof(xReq) >> 2) != client->req_len) return(16 ); |
4835 | |
4836 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, kbd, DixGetFocusAccess(1<<9)); |
4837 | if (rc != Success0) |
4838 | return rc; |
4839 | |
4840 | rep = (xGetInputFocusReply) { |
4841 | .type = X_Reply1, |
4842 | .length = 0, |
4843 | .sequenceNumber = client->sequence, |
4844 | .revertTo = focus->revert |
4845 | }; |
4846 | |
4847 | if (focus->win == NoneWin((WindowPtr)0L)) |
4848 | rep.focus = None0L; |
4849 | else if (focus->win == PointerRootWin((WindowPtr)1L)) |
4850 | rep.focus = PointerRoot1L; |
4851 | else |
4852 | rep.focus = focus->win->drawable.id; |
4853 | |
4854 | 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)); }; |
4855 | return Success0; |
4856 | } |
4857 | |
4858 | /** |
4859 | * Server-side protocol handling for GrabPointer request. |
4860 | * |
4861 | * Sets an active grab on the client's ClientPointer and returns success |
4862 | * status to client. |
4863 | */ |
4864 | int |
4865 | ProcGrabPointer(ClientPtr client) |
4866 | { |
4867 | xGrabPointerReply rep; |
4868 | DeviceIntPtr device = PickPointer(client); |
4869 | GrabPtr grab; |
4870 | GrabMask mask; |
4871 | WindowPtr confineTo; |
4872 | BYTE status; |
4873 | |
4874 | REQUEST(xGrabPointerReq)xGrabPointerReq *stuff = (xGrabPointerReq *)client->requestBuffer; |
4875 | int rc; |
4876 | |
4877 | REQUEST_SIZE_MATCH(xGrabPointerReq)if ((sizeof(xGrabPointerReq) >> 2) != client->req_len ) return(16); |
4878 | UpdateCurrentTime(); |
4879 | |
4880 | 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) ) )) { |
4881 | client->errorValue = stuff->eventMask; |
4882 | return BadValue2; |
4883 | } |
4884 | |
4885 | if (stuff->confineTo == None0L) |
4886 | confineTo = NullWindow((WindowPtr) 0); |
4887 | else { |
4888 | rc = dixLookupWindow(&confineTo, stuff->confineTo, client, |
4889 | DixSetAttrAccess(1<<5)); |
4890 | if (rc != Success0) |
4891 | return rc; |
4892 | } |
4893 | |
4894 | grab = device->deviceGrab.grab; |
4895 | |
4896 | if (grab && grab->confineTo && !confineTo) |
4897 | ConfineCursorToWindow(device, GetCurrentRootWindow(device), FALSE0, FALSE0); |
4898 | |
4899 | mask.core = stuff->eventMask; |
4900 | |
4901 | rc = GrabDevice(client, device, stuff->pointerMode, stuff->keyboardMode, |
4902 | stuff->grabWindow, stuff->ownerEvents, stuff->time, |
4903 | &mask, CORE, stuff->cursor, stuff->confineTo, &status); |
4904 | if (rc != Success0) |
4905 | return rc; |
4906 | |
4907 | rep = (xGrabPointerReply) { |
4908 | .type = X_Reply1, |
4909 | .status = status, |
4910 | .sequenceNumber = client->sequence, |
4911 | .length = 0 |
4912 | }; |
4913 | 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)); }; |
4914 | return Success0; |
4915 | } |
4916 | |
4917 | /** |
4918 | * Server-side protocol handling for ChangeActivePointerGrab request. |
4919 | * |
4920 | * Changes properties of the grab hold by the client. If the client does not |
4921 | * hold an active grab on the device, nothing happens. |
4922 | */ |
4923 | int |
4924 | ProcChangeActivePointerGrab(ClientPtr client) |
4925 | { |
4926 | DeviceIntPtr device; |
4927 | GrabPtr grab; |
4928 | CursorPtr newCursor, oldCursor; |
4929 | |
4930 | REQUEST(xChangeActivePointerGrabReq)xChangeActivePointerGrabReq *stuff = (xChangeActivePointerGrabReq *)client->requestBuffer; |
4931 | TimeStamp time; |
4932 | |
4933 | REQUEST_SIZE_MATCH(xChangeActivePointerGrabReq)if ((sizeof(xChangeActivePointerGrabReq) >> 2) != client ->req_len) return(16); |
4934 | 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) ) )) { |
4935 | client->errorValue = stuff->eventMask; |
4936 | return BadValue2; |
4937 | } |
4938 | if (stuff->cursor == None0L) |
4939 | newCursor = NullCursor((CursorPtr)((void*)0)); |
4940 | else { |
4941 | int rc = dixLookupResourceByType((void **) &newCursor, stuff->cursor, |
4942 | RT_CURSOR((RESTYPE)5), client, DixUseAccess(1<<24)); |
4943 | |
4944 | if (rc != Success0) { |
4945 | client->errorValue = stuff->cursor; |
4946 | return rc; |
4947 | } |
4948 | } |
4949 | |
4950 | device = PickPointer(client); |
4951 | grab = device->deviceGrab.grab; |
4952 | |
4953 | if (!grab) |
4954 | return Success0; |
4955 | if (!SameClient(grab, client)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) |
4956 | return Success0; |
4957 | UpdateCurrentTime(); |
4958 | time = ClientTimeToServerTime(stuff->time); |
4959 | if ((CompareTimeStamps(time, currentTime) == LATER1) || |
4960 | (CompareTimeStamps(time, device->deviceGrab.grabTime) == EARLIER-1)) |
4961 | return Success0; |
4962 | oldCursor = grab->cursor; |
4963 | grab->cursor = RefCursor(newCursor); |
4964 | PostNewCursor(device); |
4965 | if (oldCursor) |
4966 | FreeCursor(oldCursor, (Cursor) 0); |
4967 | grab->eventMask = stuff->eventMask; |
4968 | return Success0; |
4969 | } |
4970 | |
4971 | /** |
4972 | * Server-side protocol handling for UngrabPointer request. |
4973 | * |
4974 | * Deletes a pointer grab on a device the client has grabbed. |
4975 | */ |
4976 | int |
4977 | ProcUngrabPointer(ClientPtr client) |
4978 | { |
4979 | DeviceIntPtr device = PickPointer(client); |
4980 | GrabPtr grab; |
4981 | TimeStamp time; |
4982 | |
4983 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
4984 | |
4985 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
4986 | UpdateCurrentTime(); |
4987 | grab = device->deviceGrab.grab; |
4988 | |
4989 | time = ClientTimeToServerTime(stuff->id); |
4990 | if ((CompareTimeStamps(time, currentTime) != LATER1) && |
4991 | (CompareTimeStamps(time, device->deviceGrab.grabTime) != EARLIER-1) && |
4992 | (grab) && SameClient(grab, client)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) |
4993 | (*device->deviceGrab.DeactivateGrab) (device); |
4994 | return Success0; |
4995 | } |
4996 | |
4997 | /** |
4998 | * Sets a grab on the given device. |
4999 | * |
5000 | * Called from ProcGrabKeyboard to work on the client's keyboard. |
5001 | * Called from ProcXGrabDevice to work on the device specified by the client. |
5002 | * |
5003 | * The parameters this_mode and other_mode represent the keyboard_mode and |
5004 | * pointer_mode parameters of XGrabKeyboard(). |
5005 | * See man page for details on all the parameters |
5006 | * |
5007 | * @param client Client that owns the grab. |
5008 | * @param dev The device to grab. |
5009 | * @param this_mode GrabModeSync or GrabModeAsync |
5010 | * @param other_mode GrabModeSync or GrabModeAsync |
5011 | * @param status Return code to be returned to the caller. |
5012 | * |
5013 | * @returns Success or BadValue or BadAlloc. |
5014 | */ |
5015 | int |
5016 | GrabDevice(ClientPtr client, DeviceIntPtr dev, |
5017 | unsigned pointer_mode, unsigned keyboard_mode, Window grabWindow, |
5018 | unsigned ownerEvents, Time ctime, GrabMask *mask, |
5019 | int grabtype, Cursor curs, Window confineToWin, CARD8 *status) |
5020 | { |
5021 | WindowPtr pWin, confineTo; |
5022 | GrabPtr grab; |
5023 | TimeStamp time; |
5024 | Mask access_mode = DixGrabAccess(1<<17); |
5025 | int rc; |
5026 | GrabInfoPtr grabInfo = &dev->deviceGrab; |
5027 | CursorPtr cursor; |
5028 | |
5029 | UpdateCurrentTime(); |
5030 | if ((keyboard_mode != GrabModeSync0) && (keyboard_mode != GrabModeAsync1)) { |
5031 | client->errorValue = keyboard_mode; |
5032 | return BadValue2; |
5033 | } |
5034 | if ((pointer_mode != GrabModeSync0) && (pointer_mode != GrabModeAsync1)) { |
5035 | client->errorValue = pointer_mode; |
5036 | return BadValue2; |
5037 | } |
5038 | if ((ownerEvents != xFalse0) && (ownerEvents != xTrue1)) { |
5039 | client->errorValue = ownerEvents; |
5040 | return BadValue2; |
5041 | } |
5042 | |
5043 | rc = dixLookupWindow(&pWin, grabWindow, client, DixSetAttrAccess(1<<5)); |
5044 | if (rc != Success0) |
5045 | return rc; |
5046 | |
5047 | if (confineToWin == None0L) |
5048 | confineTo = NullWindow((WindowPtr) 0); |
5049 | else { |
5050 | rc = dixLookupWindow(&confineTo, confineToWin, client, |
5051 | DixSetAttrAccess(1<<5)); |
5052 | if (rc != Success0) |
5053 | return rc; |
5054 | } |
5055 | |
5056 | if (curs == None0L) |
5057 | cursor = NullCursor((CursorPtr)((void*)0)); |
5058 | else { |
5059 | rc = dixLookupResourceByType((void **) &cursor, curs, RT_CURSOR((RESTYPE)5), |
5060 | client, DixUseAccess(1<<24)); |
5061 | if (rc != Success0) { |
5062 | client->errorValue = curs; |
5063 | return rc; |
5064 | } |
5065 | access_mode |= DixForceAccess(1<<19); |
5066 | } |
5067 | |
5068 | if (keyboard_mode == GrabModeSync0 || pointer_mode == GrabModeSync0) |
5069 | access_mode |= DixFreezeAccess(1<<18); |
5070 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, dev, access_mode); |
5071 | if (rc != Success0) |
5072 | return rc; |
5073 | |
5074 | time = ClientTimeToServerTime(ctime); |
5075 | grab = grabInfo->grab; |
5076 | if (grab && grab->grabtype != grabtype) |
5077 | *status = AlreadyGrabbed1; |
5078 | else if (grab && !SameClient(grab, client)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) |
5079 | *status = AlreadyGrabbed1; |
5080 | else if ((!pWin->realized) || |
5081 | (confineTo && |
5082 | !(confineTo->realized && BorderSizeNotEmpty(dev, confineTo)))) |
5083 | *status = GrabNotViewable3; |
5084 | else if ((CompareTimeStamps(time, currentTime) == LATER1) || |
5085 | (CompareTimeStamps(time, grabInfo->grabTime) == EARLIER-1)) |
5086 | *status = GrabInvalidTime2; |
5087 | else if (grabInfo->sync.frozen && |
5088 | grabInfo->sync.other && !SameClient(grabInfo->sync.other, client)((((grabInfo->sync.other)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) == (client)->clientAsMask)) |
5089 | *status = GrabFrozen4; |
5090 | else { |
5091 | GrabPtr tempGrab; |
5092 | |
5093 | tempGrab = AllocGrab(NULL((void*)0)); |
5094 | if (tempGrab == NULL((void*)0)) |
5095 | return BadAlloc11; |
5096 | |
5097 | tempGrab->next = NULL((void*)0); |
5098 | tempGrab->window = pWin; |
5099 | tempGrab->resource = client->clientAsMask; |
5100 | tempGrab->ownerEvents = ownerEvents; |
5101 | tempGrab->keyboardMode = keyboard_mode; |
5102 | tempGrab->pointerMode = pointer_mode; |
5103 | if (grabtype == CORE) |
5104 | tempGrab->eventMask = mask->core; |
5105 | else if (grabtype == XI) |
5106 | tempGrab->eventMask = mask->xi; |
5107 | else |
5108 | xi2mask_merge(tempGrab->xi2mask, mask->xi2mask); |
5109 | tempGrab->device = dev; |
5110 | tempGrab->cursor = RefCursor(cursor); |
5111 | tempGrab->confineTo = confineTo; |
5112 | tempGrab->grabtype = grabtype; |
5113 | (*grabInfo->ActivateGrab) (dev, tempGrab, time, FALSE0); |
5114 | *status = GrabSuccess0; |
5115 | |
5116 | FreeGrab(tempGrab); |
5117 | } |
5118 | return Success0; |
5119 | } |
5120 | |
5121 | /** |
5122 | * Server-side protocol handling for GrabKeyboard request. |
5123 | * |
5124 | * Grabs the client's keyboard and returns success status to client. |
5125 | */ |
5126 | int |
5127 | ProcGrabKeyboard(ClientPtr client) |
5128 | { |
5129 | xGrabKeyboardReply rep; |
5130 | BYTE status; |
5131 | |
5132 | REQUEST(xGrabKeyboardReq)xGrabKeyboardReq *stuff = (xGrabKeyboardReq *)client->requestBuffer; |
5133 | int result; |
5134 | DeviceIntPtr keyboard = PickKeyboard(client); |
5135 | GrabMask mask; |
5136 | |
5137 | REQUEST_SIZE_MATCH(xGrabKeyboardReq)if ((sizeof(xGrabKeyboardReq) >> 2) != client->req_len ) return(16); |
5138 | UpdateCurrentTime(); |
5139 | |
5140 | mask.core = KeyPressMask(1L<<0) | KeyReleaseMask(1L<<1); |
5141 | |
5142 | result = GrabDevice(client, keyboard, stuff->pointerMode, |
5143 | stuff->keyboardMode, stuff->grabWindow, |
5144 | stuff->ownerEvents, stuff->time, &mask, CORE, None0L, |
5145 | None0L, &status); |
5146 | |
5147 | if (result != Success0) |
5148 | return result; |
5149 | |
5150 | rep = (xGrabKeyboardReply) { |
5151 | .type = X_Reply1, |
5152 | .status = status, |
5153 | .sequenceNumber = client->sequence, |
5154 | .length = 0 |
5155 | }; |
5156 | 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)); }; |
5157 | return Success0; |
5158 | } |
5159 | |
5160 | /** |
5161 | * Server-side protocol handling for UngrabKeyboard request. |
5162 | * |
5163 | * Deletes a possible grab on the client's keyboard. |
5164 | */ |
5165 | int |
5166 | ProcUngrabKeyboard(ClientPtr client) |
5167 | { |
5168 | DeviceIntPtr device = PickKeyboard(client); |
5169 | GrabPtr grab; |
5170 | TimeStamp time; |
5171 | |
5172 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
5173 | |
5174 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
5175 | UpdateCurrentTime(); |
5176 | |
5177 | grab = device->deviceGrab.grab; |
5178 | |
5179 | time = ClientTimeToServerTime(stuff->id); |
5180 | if ((CompareTimeStamps(time, currentTime) != LATER1) && |
5181 | (CompareTimeStamps(time, device->deviceGrab.grabTime) != EARLIER-1) && |
5182 | (grab) && SameClient(grab, client)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask) && grab->grabtype == CORE) |
5183 | (*device->deviceGrab.DeactivateGrab) (device); |
5184 | return Success0; |
5185 | } |
5186 | |
5187 | /** |
5188 | * Server-side protocol handling for QueryPointer request. |
5189 | * |
5190 | * Returns the current state and position of the client's ClientPointer to the |
5191 | * client. |
5192 | */ |
5193 | int |
5194 | ProcQueryPointer(ClientPtr client) |
5195 | { |
5196 | xQueryPointerReply rep; |
5197 | WindowPtr pWin, t; |
5198 | DeviceIntPtr mouse = PickPointer(client); |
5199 | DeviceIntPtr keyboard; |
5200 | SpritePtr pSprite; |
5201 | int rc; |
5202 | |
5203 | REQUEST(xResourceReq)xResourceReq *stuff = (xResourceReq *)client->requestBuffer; |
5204 | REQUEST_SIZE_MATCH(xResourceReq)if ((sizeof(xResourceReq) >> 2) != client->req_len) return (16); |
5205 | |
5206 | rc = dixLookupWindow(&pWin, stuff->id, client, DixGetAttrAccess(1<<4)); |
5207 | if (rc != Success0) |
5208 | return rc; |
5209 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, mouse, DixReadAccess(1<<0)); |
5210 | if (rc != Success0 && rc != BadAccess10) |
5211 | return rc; |
5212 | |
5213 | keyboard = GetMaster(mouse, MASTER_KEYBOARD2); |
5214 | |
5215 | pSprite = mouse->spriteInfo->sprite; |
5216 | if (mouse->valuator->motionHintWindow) |
5217 | MaybeStopHint(mouse, client); |
5218 | rep = (xQueryPointerReply) { |
5219 | .type = X_Reply1, |
5220 | .sequenceNumber = client->sequence, |
5221 | .length = 0, |
5222 | .mask = event_get_corestate(mouse, keyboard), |
5223 | .root = (GetCurrentRootWindow(mouse))->drawable.id, |
5224 | .rootX = pSprite->hot.x, |
5225 | .rootY = pSprite->hot.y, |
5226 | .child = None0L |
5227 | }; |
5228 | if (pSprite->hot.pScreen == pWin->drawable.pScreen) { |
5229 | rep.sameScreen = xTrue1; |
5230 | rep.winX = pSprite->hot.x - pWin->drawable.x; |
5231 | rep.winY = pSprite->hot.y - pWin->drawable.y; |
5232 | for (t = pSprite->win; t; t = t->parent) |
5233 | if (t->parent == pWin) { |
5234 | rep.child = t->drawable.id; |
5235 | break; |
5236 | } |
5237 | } |
5238 | else { |
5239 | rep.sameScreen = xFalse0; |
5240 | rep.winX = 0; |
5241 | rep.winY = 0; |
5242 | } |
5243 | |
5244 | #ifdef PANORAMIX1 |
5245 | if (!noPanoramiXExtension) { |
5246 | rep.rootX += screenInfo.screens[0]->x; |
5247 | rep.rootY += screenInfo.screens[0]->y; |
5248 | if (stuff->id == rep.root) { |
5249 | rep.winX += screenInfo.screens[0]->x; |
5250 | rep.winY += screenInfo.screens[0]->y; |
5251 | } |
5252 | } |
5253 | #endif |
5254 | |
5255 | if (rc == BadAccess10) { |
5256 | rep.mask = 0; |
5257 | rep.child = None0L; |
5258 | rep.rootX = 0; |
5259 | rep.rootY = 0; |
5260 | rep.winX = 0; |
5261 | rep.winY = 0; |
5262 | } |
5263 | |
5264 | 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)); }; |
5265 | |
5266 | return Success0; |
5267 | } |
5268 | |
5269 | /** |
5270 | * Initializes the device list and the DIX sprite to sane values. Allocates |
5271 | * trace memory used for quick window traversal. |
5272 | */ |
5273 | void |
5274 | InitEvents(void) |
5275 | { |
5276 | int i; |
5277 | QdEventPtr qe, tmp; |
5278 | |
5279 | inputInfo.numDevices = 0; |
5280 | inputInfo.devices = (DeviceIntPtr) NULL((void*)0); |
5281 | inputInfo.off_devices = (DeviceIntPtr) NULL((void*)0); |
5282 | inputInfo.keyboard = (DeviceIntPtr) NULL((void*)0); |
5283 | inputInfo.pointer = (DeviceIntPtr) NULL((void*)0); |
5284 | |
5285 | for (i = 0; i < MAXDEVICES40; i++) { |
5286 | DeviceIntRec dummy; |
5287 | 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)); |
5288 | |
5289 | dummy.id = i; |
5290 | NoticeTime(&dummy, currentTime); |
5291 | LastEventTimeToggleResetFlag(i, FALSE0); |
5292 | } |
5293 | |
5294 | syncEvents.replayDev = (DeviceIntPtr) NULL((void*)0); |
5295 | syncEvents.replayWin = NullWindow((WindowPtr) 0); |
5296 | if (syncEvents.pending.next) |
5297 | xorg_list_for_each_entry_safe(qe, tmp, &syncEvents.pending, next)for (qe = ((void*)0), qe = (typeof(*qe) *)((char *)((&syncEvents .pending)->next) - __builtin_offsetof(typeof(*qe), next)), tmp = (typeof(*qe) *)((char *)(qe->next.next) - __builtin_offsetof (typeof(*qe), next)); &qe->next != (&syncEvents.pending ); qe = tmp, tmp = (typeof(*tmp) *)((char *)(qe->next.next ) - __builtin_offsetof(typeof(*tmp), next))) |
5298 | free(qe); |
5299 | xorg_list_init(&syncEvents.pending); |
5300 | syncEvents.playingEvents = FALSE0; |
5301 | syncEvents.time.months = 0; |
5302 | syncEvents.time.milliseconds = 0; /* hardly matters */ |
5303 | currentTime.months = 0; |
5304 | currentTime.milliseconds = GetTimeInMillis(); |
5305 | for (i = 0; i < DNPMCOUNT8; i++) { |
5306 | DontPropagateMasks[i] = 0; |
5307 | DontPropagateRefCnts[i] = 0; |
5308 | } |
5309 | |
5310 | InputEventList = InitEventList(GetMaximumEventsNum()); |
5311 | if (!InputEventList) |
5312 | FatalError("[dix] Failed to allocate input event list.\n"); |
5313 | } |
5314 | |
5315 | void |
5316 | CloseDownEvents(void) |
5317 | { |
5318 | FreeEventList(InputEventList, GetMaximumEventsNum()); |
5319 | InputEventList = NULL((void*)0); |
5320 | } |
5321 | |
5322 | #define SEND_EVENT_BIT0x80 0x80 |
5323 | |
5324 | /** |
5325 | * Server-side protocol handling for SendEvent request. |
5326 | * |
5327 | * Locates the window to send the event to and forwards the event. |
5328 | */ |
5329 | int |
5330 | ProcSendEvent(ClientPtr client) |
5331 | { |
5332 | WindowPtr pWin; |
5333 | WindowPtr effectiveFocus = NullWindow((WindowPtr) 0); /* only set if dest==InputFocus */ |
5334 | DeviceIntPtr dev = PickPointer(client); |
5335 | DeviceIntPtr keybd = GetMaster(dev, MASTER_KEYBOARD2); |
5336 | SpritePtr pSprite = dev->spriteInfo->sprite; |
5337 | |
5338 | REQUEST(xSendEventReq)xSendEventReq *stuff = (xSendEventReq *)client->requestBuffer; |
5339 | |
5340 | REQUEST_SIZE_MATCH(xSendEventReq)if ((sizeof(xSendEventReq) >> 2) != client->req_len) return(16); |
5341 | |
5342 | /* libXext and other extension libraries may set the bit indicating |
5343 | * that this event came from a SendEvent request so remove it |
5344 | * since otherwise the event type may fail the range checks |
5345 | * and cause an invalid BadValue error to be returned. |
5346 | * |
5347 | * This is safe to do since we later add the SendEvent bit (0x80) |
5348 | * back in once we send the event to the client */ |
5349 | |
5350 | stuff->event.u.u.type &= ~(SEND_EVENT_BIT0x80); |
5351 | |
5352 | /* The client's event type must be a core event type or one defined by an |
5353 | extension. */ |
5354 | |
5355 | if (!((stuff->event.u.u.type > X_Reply1 && |
5356 | stuff->event.u.u.type < LASTEvent36) || |
5357 | (stuff->event.u.u.type >= EXTENSION_EVENT_BASE64 && |
5358 | stuff->event.u.u.type < (unsigned) lastEvent))) { |
5359 | client->errorValue = stuff->event.u.u.type; |
5360 | return BadValue2; |
5361 | } |
5362 | if (stuff->event.u.u.type == ClientMessage33 && |
5363 | stuff->event.u.u.detail != 8 && |
5364 | stuff->event.u.u.detail != 16 && stuff->event.u.u.detail != 32) { |
5365 | client->errorValue = stuff->event.u.u.detail; |
5366 | return BadValue2; |
5367 | } |
5368 | if (stuff->eventMask & ~AllEventMasks((1L<<24)|((1L<<24)-1))) { |
5369 | client->errorValue = stuff->eventMask; |
5370 | return BadValue2; |
5371 | } |
5372 | |
5373 | if (stuff->destination == PointerWindow0L) |
5374 | pWin = pSprite->win; |
5375 | else if (stuff->destination == InputFocus1L) { |
5376 | WindowPtr inputFocus = (keybd) ? keybd->focus->win : NoneWin((WindowPtr)0L); |
5377 | |
5378 | if (inputFocus == NoneWin((WindowPtr)0L)) |
5379 | return Success0; |
5380 | |
5381 | /* If the input focus is PointerRootWin, send the event to where |
5382 | the pointer is if possible, then perhaps propogate up to root. */ |
5383 | if (inputFocus == PointerRootWin((WindowPtr)1L)) |
5384 | inputFocus = GetCurrentRootWindow(dev); |
5385 | |
5386 | if (IsParent(inputFocus, pSprite->win)) { |
5387 | effectiveFocus = inputFocus; |
5388 | pWin = pSprite->win; |
5389 | } |
5390 | else |
5391 | effectiveFocus = pWin = inputFocus; |
5392 | } |
5393 | else |
5394 | dixLookupWindow(&pWin, stuff->destination, client, DixSendAccess(1<<22)); |
5395 | |
5396 | if (!pWin) |
5397 | return BadWindow3; |
5398 | if ((stuff->propagate != xFalse0) && (stuff->propagate != xTrue1)) { |
5399 | client->errorValue = stuff->propagate; |
5400 | return BadValue2; |
5401 | } |
5402 | stuff->event.u.u.type |= SEND_EVENT_BIT0x80; |
5403 | if (stuff->propagate) { |
5404 | for (; pWin; pWin = pWin->parent) { |
5405 | if (XaceHook(XACE_SEND_ACCESS5, client, NULL((void*)0), pWin, |
5406 | &stuff->event, 1)) |
5407 | return Success0; |
5408 | if (DeliverEventsToWindow(dev, pWin, |
5409 | &stuff->event, 1, stuff->eventMask, |
5410 | NullGrab((GrabPtr)((void*)0)))) |
5411 | return Success0; |
5412 | if (pWin == effectiveFocus) |
5413 | return Success0; |
5414 | stuff->eventMask &= ~wDontPropagateMask(pWin)((pWin)->optional ? (pWin)->optional->dontPropagateMask : DontPropagateMasks[(pWin)->dontPropagate]); |
5415 | if (!stuff->eventMask) |
5416 | break; |
5417 | } |
5418 | } |
5419 | else if (!XaceHook(XACE_SEND_ACCESS5, client, NULL((void*)0), pWin, &stuff->event, 1)) |
5420 | DeliverEventsToWindow(dev, pWin, &stuff->event, |
5421 | 1, stuff->eventMask, NullGrab((GrabPtr)((void*)0))); |
5422 | return Success0; |
5423 | } |
5424 | |
5425 | /** |
5426 | * Server-side protocol handling for UngrabKey request. |
5427 | * |
5428 | * Deletes a passive grab for the given key. Works on the |
5429 | * client's keyboard. |
5430 | */ |
5431 | int |
5432 | ProcUngrabKey(ClientPtr client) |
5433 | { |
5434 | REQUEST(xUngrabKeyReq)xUngrabKeyReq *stuff = (xUngrabKeyReq *)client->requestBuffer; |
5435 | WindowPtr pWin; |
5436 | GrabPtr tempGrab; |
5437 | DeviceIntPtr keybd = PickKeyboard(client); |
5438 | int rc; |
5439 | |
5440 | REQUEST_SIZE_MATCH(xUngrabKeyReq)if ((sizeof(xUngrabKeyReq) >> 2) != client->req_len) return(16); |
5441 | rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixGetAttrAccess(1<<4)); |
5442 | if (rc != Success0) |
5443 | return rc; |
5444 | |
5445 | if (((stuff->key > keybd->key->xkbInfo->desc->max_key_code) || |
5446 | (stuff->key < keybd->key->xkbInfo->desc->min_key_code)) |
5447 | && (stuff->key != AnyKey0L)) { |
5448 | client->errorValue = stuff->key; |
5449 | return BadValue2; |
5450 | } |
5451 | if ((stuff->modifiers != AnyModifier(1<<15)) && |
5452 | (stuff->modifiers & ~AllModifiersMask( (1<<0) | (1<<1) | (1<<2) | (1<<3) | (1<<4) | (1<<5) | (1<<6) | (1<<7) ))) { |
5453 | client->errorValue = stuff->modifiers; |
5454 | return BadValue2; |
5455 | } |
5456 | tempGrab = AllocGrab(NULL((void*)0)); |
5457 | if (!tempGrab) |
5458 | return BadAlloc11; |
5459 | tempGrab->resource = client->clientAsMask; |
5460 | tempGrab->device = keybd; |
5461 | tempGrab->window = pWin; |
5462 | tempGrab->modifiersDetail.exact = stuff->modifiers; |
5463 | tempGrab->modifiersDetail.pMask = NULL((void*)0); |
5464 | tempGrab->modifierDevice = keybd; |
5465 | tempGrab->type = KeyPress2; |
5466 | tempGrab->grabtype = CORE; |
5467 | tempGrab->detail.exact = stuff->key; |
5468 | tempGrab->detail.pMask = NULL((void*)0); |
5469 | tempGrab->next = NULL((void*)0); |
5470 | |
5471 | if (!DeletePassiveGrabFromList(tempGrab)) |
5472 | rc = BadAlloc11; |
5473 | |
5474 | FreeGrab(tempGrab); |
5475 | |
5476 | return rc; |
5477 | } |
5478 | |
5479 | /** |
5480 | * Server-side protocol handling for GrabKey request. |
5481 | * |
5482 | * Creates a grab for the client's keyboard and adds it to the list of passive |
5483 | * grabs. |
5484 | */ |
5485 | int |
5486 | ProcGrabKey(ClientPtr client) |
5487 | { |
5488 | WindowPtr pWin; |
5489 | |
5490 | REQUEST(xGrabKeyReq)xGrabKeyReq *stuff = (xGrabKeyReq *)client->requestBuffer; |
5491 | GrabPtr grab; |
5492 | DeviceIntPtr keybd = PickKeyboard(client); |
5493 | int rc; |
5494 | GrabParameters param; |
5495 | GrabMask mask; |
5496 | |
5497 | REQUEST_SIZE_MATCH(xGrabKeyReq)if ((sizeof(xGrabKeyReq) >> 2) != client->req_len) return (16); |
5498 | |
5499 | param = (GrabParameters) { |
5500 | .grabtype = CORE, |
5501 | .ownerEvents = stuff->ownerEvents, |
5502 | .this_device_mode = stuff->keyboardMode, |
5503 | .other_devices_mode = stuff->pointerMode, |
5504 | .modifiers = stuff->modifiers |
5505 | }; |
5506 | |
5507 | rc = CheckGrabValues(client, ¶m); |
5508 | if (rc != Success0) |
5509 | return rc; |
5510 | |
5511 | if (((stuff->key > keybd->key->xkbInfo->desc->max_key_code) || |
5512 | (stuff->key < keybd->key->xkbInfo->desc->min_key_code)) |
5513 | && (stuff->key != AnyKey0L)) { |
5514 | client->errorValue = stuff->key; |
5515 | return BadValue2; |
5516 | } |
5517 | rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixSetAttrAccess(1<<5)); |
5518 | if (rc != Success0) |
5519 | return rc; |
5520 | |
5521 | mask.core = (KeyPressMask(1L<<0) | KeyReleaseMask(1L<<1)); |
5522 | |
5523 | grab = CreateGrab(client->index, keybd, keybd, pWin, CORE, &mask, |
5524 | ¶m, KeyPress2, stuff->key, NullWindow((WindowPtr) 0), NullCursor((CursorPtr)((void*)0))); |
5525 | if (!grab) |
5526 | return BadAlloc11; |
5527 | return AddPassiveGrabToList(client, grab); |
5528 | } |
5529 | |
5530 | /** |
5531 | * Server-side protocol handling for GrabButton request. |
5532 | * |
5533 | * Creates a grab for the client's ClientPointer and adds it as a passive grab |
5534 | * to the list. |
5535 | */ |
5536 | int |
5537 | ProcGrabButton(ClientPtr client) |
5538 | { |
5539 | WindowPtr pWin, confineTo; |
5540 | |
5541 | REQUEST(xGrabButtonReq)xGrabButtonReq *stuff = (xGrabButtonReq *)client->requestBuffer; |
5542 | CursorPtr cursor; |
5543 | GrabPtr grab; |
5544 | DeviceIntPtr ptr, modifierDevice; |
5545 | Mask access_mode = DixGrabAccess(1<<17); |
5546 | GrabMask mask; |
5547 | GrabParameters param; |
5548 | int rc; |
5549 | |
5550 | REQUEST_SIZE_MATCH(xGrabButtonReq)if ((sizeof(xGrabButtonReq) >> 2) != client->req_len ) return(16); |
5551 | UpdateCurrentTime(); |
5552 | if ((stuff->pointerMode != GrabModeSync0) && |
5553 | (stuff->pointerMode != GrabModeAsync1)) { |
5554 | client->errorValue = stuff->pointerMode; |
5555 | return BadValue2; |
5556 | } |
5557 | if ((stuff->keyboardMode != GrabModeSync0) && |
5558 | (stuff->keyboardMode != GrabModeAsync1)) { |
5559 | client->errorValue = stuff->keyboardMode; |
5560 | return BadValue2; |
5561 | } |
5562 | if ((stuff->modifiers != AnyModifier(1<<15)) && |
5563 | (stuff->modifiers & ~AllModifiersMask( (1<<0) | (1<<1) | (1<<2) | (1<<3) | (1<<4) | (1<<5) | (1<<6) | (1<<7) ))) { |
5564 | client->errorValue = stuff->modifiers; |
5565 | return BadValue2; |
5566 | } |
5567 | if ((stuff->ownerEvents != xFalse0) && (stuff->ownerEvents != xTrue1)) { |
5568 | client->errorValue = stuff->ownerEvents; |
5569 | return BadValue2; |
5570 | } |
5571 | 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) ) )) { |
5572 | client->errorValue = stuff->eventMask; |
5573 | return BadValue2; |
5574 | } |
5575 | rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixSetAttrAccess(1<<5)); |
5576 | if (rc != Success0) |
5577 | return rc; |
5578 | if (stuff->confineTo == None0L) |
5579 | confineTo = NullWindow((WindowPtr) 0); |
5580 | else { |
5581 | rc = dixLookupWindow(&confineTo, stuff->confineTo, client, |
5582 | DixSetAttrAccess(1<<5)); |
5583 | if (rc != Success0) |
5584 | return rc; |
5585 | } |
5586 | if (stuff->cursor == None0L) |
5587 | cursor = NullCursor((CursorPtr)((void*)0)); |
5588 | else { |
5589 | rc = dixLookupResourceByType((void **) &cursor, stuff->cursor, |
5590 | RT_CURSOR((RESTYPE)5), client, DixUseAccess(1<<24)); |
5591 | if (rc != Success0) { |
5592 | client->errorValue = stuff->cursor; |
5593 | return rc; |
5594 | } |
5595 | access_mode |= DixForceAccess(1<<19); |
5596 | } |
5597 | |
5598 | ptr = PickPointer(client); |
5599 | modifierDevice = GetMaster(ptr, MASTER_KEYBOARD2); |
5600 | if (stuff->pointerMode == GrabModeSync0 || |
5601 | stuff->keyboardMode == GrabModeSync0) |
5602 | access_mode |= DixFreezeAccess(1<<18); |
5603 | rc = XaceHook(XACE_DEVICE_ACCESS3, client, ptr, access_mode); |
5604 | if (rc != Success0) |
5605 | return rc; |
5606 | |
5607 | param = (GrabParameters) { |
5608 | .grabtype = CORE, |
5609 | .ownerEvents = stuff->ownerEvents, |
5610 | .this_device_mode = stuff->keyboardMode, |
5611 | .other_devices_mode = stuff->pointerMode, |
5612 | .modifiers = stuff->modifiers |
5613 | }; |
5614 | |
5615 | mask.core = stuff->eventMask; |
5616 | |
5617 | grab = CreateGrab(client->index, ptr, modifierDevice, pWin, |
5618 | CORE, &mask, ¶m, ButtonPress4, |
5619 | stuff->button, confineTo, cursor); |
5620 | if (!grab) |
5621 | return BadAlloc11; |
5622 | return AddPassiveGrabToList(client, grab); |
5623 | } |
5624 | |
5625 | /** |
5626 | * Server-side protocol handling for UngrabButton request. |
5627 | * |
5628 | * Deletes a passive grab on the client's ClientPointer from the list. |
5629 | */ |
5630 | int |
5631 | ProcUngrabButton(ClientPtr client) |
5632 | { |
5633 | REQUEST(xUngrabButtonReq)xUngrabButtonReq *stuff = (xUngrabButtonReq *)client->requestBuffer; |
5634 | WindowPtr pWin; |
5635 | GrabPtr tempGrab; |
5636 | int rc; |
5637 | DeviceIntPtr ptr; |
5638 | |
5639 | REQUEST_SIZE_MATCH(xUngrabButtonReq)if ((sizeof(xUngrabButtonReq) >> 2) != client->req_len ) return(16); |
5640 | UpdateCurrentTime(); |
5641 | if ((stuff->modifiers != AnyModifier(1<<15)) && |
5642 | (stuff->modifiers & ~AllModifiersMask( (1<<0) | (1<<1) | (1<<2) | (1<<3) | (1<<4) | (1<<5) | (1<<6) | (1<<7) ))) { |
5643 | client->errorValue = stuff->modifiers; |
5644 | return BadValue2; |
5645 | } |
5646 | rc = dixLookupWindow(&pWin, stuff->grabWindow, client, DixReadAccess(1<<0)); |
5647 | if (rc != Success0) |
5648 | return rc; |
5649 | |
5650 | ptr = PickPointer(client); |
5651 | |
5652 | tempGrab = AllocGrab(NULL((void*)0)); |
5653 | if (!tempGrab) |
5654 | return BadAlloc11; |
5655 | tempGrab->resource = client->clientAsMask; |
5656 | tempGrab->device = ptr; |
5657 | tempGrab->window = pWin; |
5658 | tempGrab->modifiersDetail.exact = stuff->modifiers; |
5659 | tempGrab->modifiersDetail.pMask = NULL((void*)0); |
5660 | tempGrab->modifierDevice = GetMaster(ptr, MASTER_KEYBOARD2); |
5661 | tempGrab->type = ButtonPress4; |
5662 | tempGrab->detail.exact = stuff->button; |
5663 | tempGrab->grabtype = CORE; |
5664 | tempGrab->detail.pMask = NULL((void*)0); |
5665 | tempGrab->next = NULL((void*)0); |
5666 | |
5667 | if (!DeletePassiveGrabFromList(tempGrab)) |
5668 | rc = BadAlloc11; |
5669 | |
5670 | FreeGrab(tempGrab); |
5671 | return rc; |
5672 | } |
5673 | |
5674 | /** |
5675 | * Deactivate any grab that may be on the window, remove the focus. |
5676 | * Delete any XInput extension events from the window too. Does not change the |
5677 | * window mask. Use just before the window is deleted. |
5678 | * |
5679 | * If freeResources is set, passive grabs on the window are deleted. |
5680 | * |
5681 | * @param pWin The window to delete events from. |
5682 | * @param freeResources True if resources associated with the window should be |
5683 | * deleted. |
5684 | */ |
5685 | void |
5686 | DeleteWindowFromAnyEvents(WindowPtr pWin, Bool freeResources) |
5687 | { |
5688 | WindowPtr parent; |
5689 | DeviceIntPtr mouse = inputInfo.pointer; |
5690 | DeviceIntPtr keybd = inputInfo.keyboard; |
5691 | FocusClassPtr focus; |
5692 | OtherClientsPtr oc; |
5693 | GrabPtr passive; |
5694 | GrabPtr grab; |
5695 | |
5696 | /* Deactivate any grabs performed on this window, before making any |
5697 | input focus changes. */ |
5698 | grab = mouse->deviceGrab.grab; |
5699 | if (grab && ((grab->window == pWin) || (grab->confineTo == pWin))) |
5700 | (*mouse->deviceGrab.DeactivateGrab) (mouse); |
5701 | |
5702 | /* Deactivating a keyboard grab should cause focus events. */ |
5703 | grab = keybd->deviceGrab.grab; |
5704 | if (grab && (grab->window == pWin)) |
5705 | (*keybd->deviceGrab.DeactivateGrab) (keybd); |
5706 | |
5707 | /* And now the real devices */ |
5708 | for (mouse = inputInfo.devices; mouse; mouse = mouse->next) { |
5709 | grab = mouse->deviceGrab.grab; |
5710 | if (grab && ((grab->window == pWin) || (grab->confineTo == pWin))) |
5711 | (*mouse->deviceGrab.DeactivateGrab) (mouse); |
5712 | } |
5713 | |
5714 | for (keybd = inputInfo.devices; keybd; keybd = keybd->next) { |
5715 | if (IsKeyboardDevice(keybd)) { |
5716 | focus = keybd->focus; |
5717 | |
5718 | /* If the focus window is a root window (ie. has no parent) |
5719 | then don't delete the focus from it. */ |
5720 | |
5721 | if ((pWin == focus->win) && (pWin->parent != NullWindow((WindowPtr) 0))) { |
5722 | int focusEventMode = NotifyNormal0; |
5723 | |
5724 | /* If a grab is in progress, then alter the mode of focus events. */ |
5725 | |
5726 | if (keybd->deviceGrab.grab) |
5727 | focusEventMode = NotifyWhileGrabbed3; |
5728 | |
5729 | switch (focus->revert) { |
5730 | case RevertToNone(int)0L: |
5731 | DoFocusEvents(keybd, pWin, NoneWin((WindowPtr)0L), focusEventMode); |
5732 | focus->win = NoneWin((WindowPtr)0L); |
5733 | focus->traceGood = 0; |
5734 | break; |
5735 | case RevertToParent2: |
5736 | parent = pWin; |
5737 | do { |
5738 | parent = parent->parent; |
5739 | focus->traceGood--; |
5740 | } while (!parent->realized |
5741 | /* This would be a good protocol change -- windows being |
5742 | reparented during SaveSet processing would cause the |
5743 | focus to revert to the nearest enclosing window which |
5744 | will survive the death of the exiting client, instead |
5745 | of ending up reverting to a dying window and thence |
5746 | to None */ |
5747 | #ifdef NOTDEF |
5748 | || wClient(parent)(clients[((int)((((parent)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))])->clientGone |
5749 | #endif |
5750 | ); |
5751 | if (!ActivateFocusInGrab(keybd, pWin, parent)) |
5752 | DoFocusEvents(keybd, pWin, parent, focusEventMode); |
5753 | focus->win = parent; |
5754 | focus->revert = RevertToNone(int)0L; |
5755 | break; |
5756 | case RevertToPointerRoot(int)1L: |
5757 | if (!ActivateFocusInGrab(keybd, pWin, PointerRootWin((WindowPtr)1L))) |
5758 | DoFocusEvents(keybd, pWin, PointerRootWin((WindowPtr)1L), |
5759 | focusEventMode); |
5760 | focus->win = PointerRootWin((WindowPtr)1L); |
5761 | focus->traceGood = 0; |
5762 | break; |
5763 | } |
5764 | } |
5765 | } |
5766 | |
5767 | if (IsPointerDevice(keybd)) { |
5768 | if (keybd->valuator->motionHintWindow == pWin) |
5769 | keybd->valuator->motionHintWindow = NullWindow((WindowPtr) 0); |
5770 | } |
5771 | } |
5772 | |
5773 | if (freeResources) { |
5774 | if (pWin->dontPropagate) |
5775 | DontPropagateRefCnts[pWin->dontPropagate]--; |
5776 | while ((oc = wOtherClients(pWin)((pWin)->optional ? (pWin)->optional->otherClients : ((void*)0)))) |
5777 | FreeResource(oc->resource, RT_NONE((RESTYPE)0)); |
5778 | while ((passive = wPassiveGrabs(pWin)((pWin)->optional ? (pWin)->optional->passiveGrabs : ((void*)0)))) |
5779 | FreeResource(passive->resource, RT_NONE((RESTYPE)0)); |
5780 | } |
5781 | |
5782 | DeleteWindowFromAnyExtEvents(pWin, freeResources); |
5783 | } |
5784 | |
5785 | /** |
5786 | * Call this whenever some window at or below pWin has changed geometry. If |
5787 | * there is a grab on the window, the cursor will be re-confined into the |
5788 | * window. |
5789 | */ |
5790 | void |
5791 | CheckCursorConfinement(WindowPtr pWin) |
5792 | { |
5793 | GrabPtr grab; |
5794 | WindowPtr confineTo; |
5795 | DeviceIntPtr pDev; |
5796 | |
5797 | #ifdef PANORAMIX1 |
5798 | if (!noPanoramiXExtension && pWin->drawable.pScreen->myNum) |
5799 | return; |
5800 | #endif |
5801 | |
5802 | for (pDev = inputInfo.devices; pDev; pDev = pDev->next) { |
5803 | if (DevHasCursor(pDev)) { |
5804 | grab = pDev->deviceGrab.grab; |
5805 | if (grab && (confineTo = grab->confineTo)) { |
5806 | if (!BorderSizeNotEmpty(pDev, confineTo)) |
5807 | (*pDev->deviceGrab.DeactivateGrab) (pDev); |
5808 | else if ((pWin == confineTo) || IsParent(pWin, confineTo)) |
5809 | ConfineCursorToWindow(pDev, confineTo, TRUE1, TRUE1); |
5810 | } |
5811 | } |
5812 | } |
5813 | } |
5814 | |
5815 | Mask |
5816 | EventMaskForClient(WindowPtr pWin, ClientPtr client) |
5817 | { |
5818 | OtherClientsPtr other; |
5819 | |
5820 | if (wClient(pWin)(clients[((int)((((pWin)->drawable.id) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) >> (29 - ResourceClientBits())))]) == client) |
5821 | return pWin->eventMask; |
5822 | for (other = wOtherClients(pWin)((pWin)->optional ? (pWin)->optional->otherClients : ((void*)0)); other; other = other->next) { |
5823 | if (SameClient(other, client)((((other)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) |
5824 | return other->mask; |
5825 | } |
5826 | return 0; |
5827 | } |
5828 | |
5829 | /** |
5830 | * Server-side protocol handling for RecolorCursor request. |
5831 | */ |
5832 | int |
5833 | ProcRecolorCursor(ClientPtr client) |
5834 | { |
5835 | CursorPtr pCursor; |
5836 | int rc, nscr; |
5837 | ScreenPtr pscr; |
5838 | Bool displayed; |
5839 | SpritePtr pSprite = PickPointer(client)->spriteInfo->sprite; |
5840 | |
5841 | REQUEST(xRecolorCursorReq)xRecolorCursorReq *stuff = (xRecolorCursorReq *)client->requestBuffer; |
5842 | |
5843 | REQUEST_SIZE_MATCH(xRecolorCursorReq)if ((sizeof(xRecolorCursorReq) >> 2) != client->req_len ) return(16); |
5844 | rc = dixLookupResourceByType((void **) &pCursor, stuff->cursor, RT_CURSOR((RESTYPE)5), |
5845 | client, DixWriteAccess(1<<1)); |
5846 | if (rc != Success0) { |
5847 | client->errorValue = stuff->cursor; |
5848 | return rc; |
5849 | } |
5850 | |
5851 | pCursor->foreRed = stuff->foreRed; |
5852 | pCursor->foreGreen = stuff->foreGreen; |
5853 | pCursor->foreBlue = stuff->foreBlue; |
5854 | |
5855 | pCursor->backRed = stuff->backRed; |
5856 | pCursor->backGreen = stuff->backGreen; |
5857 | pCursor->backBlue = stuff->backBlue; |
5858 | |
5859 | for (nscr = 0; nscr < screenInfo.numScreens; nscr++) { |
5860 | pscr = screenInfo.screens[nscr]; |
5861 | #ifdef PANORAMIX1 |
5862 | if (!noPanoramiXExtension) |
5863 | displayed = (pscr == pSprite->screen); |
5864 | else |
5865 | #endif |
5866 | displayed = (pscr == pSprite->hotPhys.pScreen); |
5867 | (*pscr->RecolorCursor) (PickPointer(client), pscr, pCursor, |
5868 | (pCursor == pSprite->current) && displayed); |
5869 | } |
5870 | return Success0; |
5871 | } |
5872 | |
5873 | /** |
5874 | * Write the given events to a client, swapping the byte order if necessary. |
5875 | * To swap the byte ordering, a callback is called that has to be set up for |
5876 | * the given event type. |
5877 | * |
5878 | * In the case of DeviceMotionNotify trailed by DeviceValuators, the events |
5879 | * can be more than one. Usually it's just one event. |
5880 | * |
5881 | * Do not modify the event structure passed in. See comment below. |
5882 | * |
5883 | * @param pClient Client to send events to. |
5884 | * @param count Number of events. |
5885 | * @param events The event list. |
5886 | */ |
5887 | void |
5888 | WriteEventsToClient(ClientPtr pClient, int count, xEvent *events) |
5889 | { |
5890 | #ifdef PANORAMIX1 |
5891 | xEvent eventCopy; |
5892 | #endif |
5893 | xEvent *eventTo, *eventFrom; |
5894 | int i, eventlength = sizeof(xEvent); |
5895 | |
5896 | if (!pClient || pClient == serverClient || pClient->clientGone) |
5897 | return; |
5898 | |
5899 | for (i = 0; i < count; i++) |
5900 | if ((events[i].u.u.type & 0x7f) != KeymapNotify11) |
5901 | events[i].u.u.sequenceNumber = pClient->sequence; |
5902 | |
5903 | /* Let XKB rewrite the state, as it depends on client preferences. */ |
5904 | XkbFilterEvents(pClient, count, events); |
5905 | |
5906 | #ifdef PANORAMIX1 |
5907 | if (!noPanoramiXExtension && |
5908 | (screenInfo.screens[0]->x || screenInfo.screens[0]->y)) { |
5909 | switch (events->u.u.type) { |
5910 | case MotionNotify6: |
5911 | case ButtonPress4: |
5912 | case ButtonRelease5: |
5913 | case KeyPress2: |
5914 | case KeyRelease3: |
5915 | case EnterNotify7: |
5916 | case LeaveNotify8: |
5917 | /* |
5918 | When multiple clients want the same event DeliverEventsToWindow |
5919 | passes the same event structure multiple times so we can't |
5920 | modify the one passed to us |
5921 | */ |
5922 | count = 1; /* should always be 1 */ |
5923 | memcpy(&eventCopy, events, sizeof(xEvent))__builtin___memcpy_chk (&eventCopy, events, sizeof(xEvent ), __builtin_object_size (&eventCopy, 0)); |
5924 | eventCopy.u.keyButtonPointer.rootX += screenInfo.screens[0]->x; |
5925 | eventCopy.u.keyButtonPointer.rootY += screenInfo.screens[0]->y; |
5926 | if (eventCopy.u.keyButtonPointer.event == |
5927 | eventCopy.u.keyButtonPointer.root) { |
5928 | eventCopy.u.keyButtonPointer.eventX += screenInfo.screens[0]->x; |
5929 | eventCopy.u.keyButtonPointer.eventY += screenInfo.screens[0]->y; |
5930 | } |
5931 | events = &eventCopy; |
5932 | break; |
5933 | default: |
5934 | break; |
5935 | } |
5936 | } |
5937 | #endif |
5938 | |
5939 | if (EventCallback) { |
5940 | EventInfoRec eventinfo; |
5941 | |
5942 | eventinfo.client = pClient; |
5943 | eventinfo.events = events; |
5944 | eventinfo.count = count; |
5945 | CallCallbacks(&EventCallback, (void *) &eventinfo); |
5946 | } |
5947 | #ifdef XSERVER_DTRACE1 |
5948 | if (XSERVER_SEND_EVENT_ENABLED()({ int _r = __dtrace_isenabled$Xserver$send__event$v1(); __asm__ volatile(""); _r; })) { |
5949 | for (i = 0; i < count; i++) { |
5950 | XSERVER_SEND_EVENT(pClient->index, events[i].u.u.type, &events[i])do { __asm__ volatile(".reference " "___dtrace_typedefs$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); |
5951 | } |
5952 | } |
5953 | #endif |
5954 | /* Just a safety check to make sure we only have one GenericEvent, it just |
5955 | * makes things easier for me right now. (whot) */ |
5956 | for (i = 1; i < count; i++) { |
5957 | if (events[i].u.u.type == GenericEvent35) { |
5958 | ErrorF("[dix] TryClientEvents: Only one GenericEvent at a time.\n"); |
5959 | return; |
5960 | } |
5961 | } |
5962 | |
5963 | if (events->u.u.type == GenericEvent35) { |
5964 | eventlength += ((xGenericEvent *) events)->length * 4; |
5965 | } |
5966 | |
5967 | if (pClient->swapped) { |
5968 | if (eventlength > swapEventLen) { |
5969 | swapEventLen = eventlength; |
5970 | swapEvent = realloc(swapEvent, swapEventLen); |
5971 | if (!swapEvent) { |
5972 | FatalError("WriteEventsToClient: Out of memory.\n"); |
5973 | return; |
5974 | } |
5975 | } |
5976 | |
5977 | for (i = 0; i < count; i++) { |
5978 | eventFrom = &events[i]; |
5979 | eventTo = swapEvent; |
5980 | |
5981 | /* Remember to strip off the leading bit of type in case |
5982 | this event was sent with "SendEvent." */ |
5983 | (*EventSwapVector[eventFrom->u.u.type & 0177]) |
5984 | (eventFrom, eventTo); |
5985 | |
5986 | WriteToClient(pClient, eventlength, eventTo); |
5987 | } |
5988 | } |
5989 | else { |
5990 | /* only one GenericEvent, remember? that means either count is 1 and |
5991 | * eventlength is arbitrary or eventlength is 32 and count doesn't |
5992 | * matter. And we're all set. Woohoo. */ |
5993 | WriteToClient(pClient, count * eventlength, events); |
5994 | } |
5995 | } |
5996 | |
5997 | /* |
5998 | * Set the client pointer for the given client. |
5999 | * |
6000 | * A client can have exactly one ClientPointer. Each time a |
6001 | * request/reply/event is processed and the choice of devices is ambiguous |
6002 | * (e.g. QueryPointer request), the server will pick the ClientPointer (see |
6003 | * PickPointer()). |
6004 | * If a keyboard is needed, the first keyboard paired with the CP is used. |
6005 | */ |
6006 | int |
6007 | SetClientPointer(ClientPtr client, DeviceIntPtr device) |
6008 | { |
6009 | int rc = XaceHook(XACE_DEVICE_ACCESS3, client, device, DixUseAccess(1<<24)); |
6010 | |
6011 | if (rc != Success0) |
6012 | return rc; |
6013 | |
6014 | if (!IsMaster(device)) { |
6015 | ErrorF("[dix] Need master device for ClientPointer. This is a bug.\n"); |
6016 | return BadDevice; |
6017 | } |
6018 | else if (!device->spriteInfo->spriteOwner) { |
6019 | ErrorF("[dix] Device %d does not have a sprite. " |
6020 | "Cannot be ClientPointer\n", device->id); |
6021 | return BadDevice; |
6022 | } |
6023 | client->clientPtr = device; |
6024 | return Success0; |
6025 | } |
6026 | |
6027 | /* PickPointer will pick an appropriate pointer for the given client. |
6028 | * |
6029 | * An "appropriate device" is (in order of priority): |
6030 | * 1) A device the given client has a core grab on. |
6031 | * 2) A device set as ClientPointer for the given client. |
6032 | * 3) The first master device. |
6033 | */ |
6034 | DeviceIntPtr |
6035 | PickPointer(ClientPtr client) |
6036 | { |
6037 | DeviceIntPtr it = inputInfo.devices; |
6038 | |
6039 | /* First, check if the client currently has a grab on a device. Even |
6040 | * keyboards count. */ |
6041 | for (it = inputInfo.devices; it; it = it->next) { |
6042 | GrabPtr grab = it->deviceGrab.grab; |
6043 | |
6044 | if (grab && grab->grabtype == CORE && SameClient(grab, client)((((grab)->resource) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) == (client)-> clientAsMask)) { |
6045 | it = GetMaster(it, MASTER_POINTER1); |
6046 | return it; /* Always return a core grabbed device */ |
6047 | } |
6048 | } |
6049 | |
6050 | if (!client->clientPtr) { |
6051 | it = inputInfo.devices; |
6052 | while (it) { |
6053 | if (IsMaster(it) && it->spriteInfo->spriteOwner) { |
6054 | client->clientPtr = it; |
6055 | break; |
6056 | } |
6057 | it = it->next; |
6058 | } |
6059 | } |
6060 | return client->clientPtr; |
6061 | } |
6062 | |
6063 | /* PickKeyboard will pick an appropriate keyboard for the given client by |
6064 | * searching the list of devices for the keyboard device that is paired with |
6065 | * the client's pointer. |
6066 | */ |
6067 | DeviceIntPtr |
6068 | PickKeyboard(ClientPtr client) |
6069 | { |
6070 | DeviceIntPtr ptr = PickPointer(client); |
6071 | DeviceIntPtr kbd = GetMaster(ptr, MASTER_KEYBOARD2); |
6072 | |
6073 | if (!kbd) { |
6074 | ErrorF("[dix] ClientPointer not paired with a keyboard. This " |
6075 | "is a bug.\n"); |
6076 | } |
6077 | |
6078 | return kbd; |
6079 | } |
6080 | |
6081 | /* A client that has one or more core grabs does not get core events from |
6082 | * devices it does not have a grab on. Legacy applications behave bad |
6083 | * otherwise because they are not used to it and the events interfere. |
6084 | * Only applies for core events. |
6085 | * |
6086 | * Return true if a core event from the device would interfere and should not |
6087 | * be delivered. |
6088 | */ |
6089 | Bool |
6090 | IsInterferingGrab(ClientPtr client, DeviceIntPtr dev, xEvent *event) |
6091 | { |
6092 | DeviceIntPtr it = inputInfo.devices; |
6093 | |
6094 | switch (event->u.u.type) { |
6095 | case KeyPress2: |
6096 | case KeyRelease3: |
6097 | case ButtonPress4: |
6098 | case ButtonRelease5: |
6099 | case MotionNotify6: |
6100 | case EnterNotify7: |
6101 | case LeaveNotify8: |
6102 | break; |
6103 | default: |
6104 | return FALSE0; |
6105 | } |
6106 | |
6107 | if (dev->deviceGrab.grab && SameClient(dev->deviceGrab.grab, client)((((dev->deviceGrab.grab)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) == (client)->clientAsMask)) |
6108 | return FALSE0; |
6109 | |
6110 | while (it) { |
6111 | if (it != dev) { |
6112 | if (it->deviceGrab.grab && SameClient(it->deviceGrab.grab, client)((((it->deviceGrab.grab)->resource) & (((1 << ResourceClientBits()) - 1) << (29 - ResourceClientBits ()))) == (client)->clientAsMask) |
6113 | && !it->deviceGrab.fromPassiveGrab) { |
6114 | if ((IsPointerDevice(it) && IsPointerDevice(dev)) || |
6115 | (IsKeyboardDevice(it) && IsKeyboardDevice(dev))) |
6116 | return TRUE1; |
6117 | } |
6118 | } |
6119 | it = it->next; |
6120 | } |
6121 | |
6122 | return FALSE0; |
6123 | } |
6124 | |
6125 | /* PointerBarrier events are only delivered to the client that created that |
6126 | * barrier */ |
6127 | static Bool |
6128 | IsWrongPointerBarrierClient(ClientPtr client, DeviceIntPtr dev, xEvent *event) |
6129 | { |
6130 | xXIBarrierEvent *ev = (xXIBarrierEvent*)event; |
6131 | |
6132 | if (ev->type != GenericEvent35 || ev->extension != IReqCode) |
6133 | return FALSE0; |
6134 | |
6135 | if (ev->evtype != XI_BarrierHit25 && ev->evtype != XI_BarrierLeave26) |
6136 | return FALSE0; |
6137 | |
6138 | return client->index != CLIENT_ID(ev->barrier)((int)(((ev->barrier) & (((1 << ResourceClientBits ()) - 1) << (29 - ResourceClientBits()))) >> (29 - ResourceClientBits()))); |
6139 | } |