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source: vbox/trunk/src/VBox/Additions/x11/x11include/1.4/xorg/dix.h@ 17233

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1/***********************************************************
2
3Copyright 1987, 1998 The Open Group
4
5Permission to use, copy, modify, distribute, and sell this software and its
6documentation for any purpose is hereby granted without fee, provided that
7the above copyright notice appear in all copies and that both that
8copyright notice and this permission notice appear in supporting
9documentation.
10
11The above copyright notice and this permission notice shall be included in
12all copies or substantial portions of the Software.
13
14THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
18AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
19CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
20
21Except as contained in this notice, the name of The Open Group shall not be
22used in advertising or otherwise to promote the sale, use or other dealings
23in this Software without prior written authorization from The Open Group.
24
25
26Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
27
28 All Rights Reserved
29
30Permission to use, copy, modify, and distribute this software and its
31documentation for any purpose and without fee is hereby granted,
32provided that the above copyright notice appear in all copies and that
33both that copyright notice and this permission notice appear in
34supporting documentation, and that the name of Digital not be
35used in advertising or publicity pertaining to distribution of the
36software without specific, written prior permission.
37
38DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
39ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
40DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
41ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
42WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
43ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
44SOFTWARE.
45
46******************************************************************/
47
48#ifndef DIX_H
49#define DIX_H
50
51#include "gc.h"
52#include "window.h"
53#include "input.h"
54
55#define EARLIER -1
56#define SAMETIME 0
57#define LATER 1
58
59#define NullClient ((ClientPtr) 0)
60#define REQUEST(type) \
61 register type *stuff = (type *)client->requestBuffer
62
63
64#define REQUEST_SIZE_MATCH(req)\
65 if ((sizeof(req) >> 2) != client->req_len)\
66 return(BadLength)
67
68#define REQUEST_AT_LEAST_SIZE(req) \
69 if ((sizeof(req) >> 2) > client->req_len )\
70 return(BadLength)
71
72#define REQUEST_FIXED_SIZE(req, n)\
73 if (((sizeof(req) >> 2) > client->req_len) || \
74 (((sizeof(req) + (n) + 3) >> 2) != client->req_len)) \
75 return(BadLength)
76
77#define LEGAL_NEW_RESOURCE(id,client)\
78 if (!LegalNewID(id,client)) \
79 {\
80 client->errorValue = id;\
81 return(BadIDChoice);\
82 }
83
84#define VALIDATE_DRAWABLE_AND_GC(drawID, pDraw, pGC, client)\
85 if ((stuff->gc == INVALID) || (client->lastGCID != stuff->gc) ||\
86 (client->lastDrawableID != drawID))\
87 {\
88 int rc;\
89 rc = dixLookupDrawable(&(pDraw), drawID, client, M_ANY,\
90 DixWriteAccess);\
91 if (rc != Success)\
92 return rc;\
93 rc = dixLookupGC(&(pGC), stuff->gc, client, DixReadAccess);\
94 if (rc != Success)\
95 return rc;\
96 if ((pGC->depth != pDraw->depth) || (pGC->pScreen != pDraw->pScreen))\
97 return (BadMatch);\
98 client->lastDrawable = pDraw;\
99 client->lastDrawableID = drawID;\
100 client->lastGC = pGC;\
101 client->lastGCID = stuff->gc;\
102 }\
103 else\
104 {\
105 pGC = client->lastGC;\
106 pDraw = client->lastDrawable;\
107 }\
108 if (pGC->serialNumber != pDraw->serialNumber)\
109 ValidateGC(pDraw, pGC);
110
111
112#define WriteReplyToClient(pClient, size, pReply) { \
113 if ((pClient)->swapped) \
114 (*ReplySwapVector[((xReq *)(pClient)->requestBuffer)->reqType]) \
115 (pClient, (int)(size), pReply); \
116 else (void) WriteToClient(pClient, (int)(size), (char *)(pReply)); }
117
118#define WriteSwappedDataToClient(pClient, size, pbuf) \
119 if ((pClient)->swapped) \
120 (*(pClient)->pSwapReplyFunc)(pClient, (int)(size), pbuf); \
121 else (void) WriteToClient (pClient, (int)(size), (char *)(pbuf));
122
123typedef struct _TimeStamp *TimeStampPtr;
124
125#ifndef _XTYPEDEF_CLIENTPTR
126typedef struct _Client *ClientPtr; /* also in misc.h */
127#define _XTYPEDEF_CLIENTPTR
128#endif
129
130typedef struct _WorkQueue *WorkQueuePtr;
131
132extern ClientPtr requestingClient;
133extern ClientPtr *clients;
134extern ClientPtr serverClient;
135extern int currentMaxClients;
136extern char dispatchExceptionAtReset;
137
138typedef int HWEventQueueType;
139typedef HWEventQueueType* HWEventQueuePtr;
140
141extern HWEventQueuePtr checkForInput[2];
142
143typedef struct _TimeStamp {
144 CARD32 months; /* really ~49.7 days */
145 CARD32 milliseconds;
146} TimeStamp;
147
148/* dispatch.c */
149
150extern void SetInputCheck(
151 HWEventQueuePtr /*c0*/,
152 HWEventQueuePtr /*c1*/);
153
154extern void CloseDownClient(
155 ClientPtr /*client*/);
156
157extern void UpdateCurrentTime(void);
158
159extern void UpdateCurrentTimeIf(void);
160
161extern void InitSelections(void);
162
163extern void FlushClientCaches(XID /*id*/);
164
165extern int dixDestroyPixmap(
166 pointer /*value*/,
167 XID /*pid*/);
168
169extern void InitClient(
170 ClientPtr /*client*/,
171 int /*i*/,
172 pointer /*ospriv*/);
173
174extern ClientPtr NextAvailableClient(
175 pointer /*ospriv*/);
176
177extern void SendErrorToClient(
178 ClientPtr /*client*/,
179 unsigned int /*majorCode*/,
180 unsigned int /*minorCode*/,
181 XID /*resId*/,
182 int /*errorCode*/);
183
184extern void DeleteWindowFromAnySelections(
185 WindowPtr /*pWin*/);
186
187extern void MarkClientException(
188 ClientPtr /*client*/);
189
190extern int SendConnSetup(
191 ClientPtr /*client*/,
192 char* /*reason*/);
193
194#if defined(DDXBEFORERESET)
195extern void ddxBeforeReset (void);
196#endif
197
198/* dixutils.c */
199
200extern void CopyISOLatin1Lowered(
201 unsigned char * /*dest*/,
202 unsigned char * /*source*/,
203 int /*length*/);
204
205extern int CompareISOLatin1Lowered(
206 unsigned char * /*a*/,
207 int alen,
208 unsigned char * /*b*/,
209 int blen);
210
211extern int dixLookupWindow(
212 WindowPtr *result,
213 XID id,
214 ClientPtr client,
215 Mask access_mode);
216
217extern int dixLookupDrawable(
218 DrawablePtr *result,
219 XID id,
220 ClientPtr client,
221 Mask type_mask,
222 Mask access_mode);
223
224extern int dixLookupGC(
225 GCPtr *result,
226 XID id,
227 ClientPtr client,
228 Mask access_mode);
229
230extern int dixLookupClient(
231 ClientPtr *result,
232 XID id,
233 ClientPtr client,
234 Mask access_mode);
235
236/*
237 * These are deprecated compatibility functions and will be removed soon!
238 * Please use the new dixLookup*() functions above.
239 */
240extern WindowPtr SecurityLookupWindow(XID, ClientPtr, Mask);
241extern WindowPtr LookupWindow(XID, ClientPtr);
242extern pointer SecurityLookupDrawable(XID, ClientPtr, Mask);
243extern pointer LookupDrawable(XID, ClientPtr);
244extern ClientPtr LookupClient(XID, ClientPtr);
245/* end deprecated functions */
246
247extern void NoopDDA(void);
248
249extern int AlterSaveSetForClient(
250 ClientPtr /*client*/,
251 WindowPtr /*pWin*/,
252 unsigned /*mode*/,
253 Bool /*toRoot*/,
254 Bool /*remap*/);
255
256extern void DeleteWindowFromAnySaveSet(
257 WindowPtr /*pWin*/);
258
259extern void BlockHandler(
260 pointer /*pTimeout*/,
261 pointer /*pReadmask*/);
262
263extern void WakeupHandler(
264 int /*result*/,
265 pointer /*pReadmask*/);
266
267typedef void (* WakeupHandlerProcPtr)(
268 pointer /* blockData */,
269 int /* result */,
270 pointer /* pReadmask */);
271
272extern Bool RegisterBlockAndWakeupHandlers(
273 BlockHandlerProcPtr /*blockHandler*/,
274 WakeupHandlerProcPtr /*wakeupHandler*/,
275 pointer /*blockData*/);
276
277extern void RemoveBlockAndWakeupHandlers(
278 BlockHandlerProcPtr /*blockHandler*/,
279 WakeupHandlerProcPtr /*wakeupHandler*/,
280 pointer /*blockData*/);
281
282extern void InitBlockAndWakeupHandlers(void);
283
284extern void ProcessWorkQueue(void);
285
286extern void ProcessWorkQueueZombies(void);
287
288extern Bool QueueWorkProc(
289 Bool (* /*function*/)(
290 ClientPtr /*clientUnused*/,
291 pointer /*closure*/),
292 ClientPtr /*client*/,
293 pointer /*closure*/
294);
295
296typedef Bool (* ClientSleepProcPtr)(
297 ClientPtr /*client*/,
298 pointer /*closure*/);
299
300extern Bool ClientSleep(
301 ClientPtr /*client*/,
302 ClientSleepProcPtr /* function */,
303 pointer /*closure*/);
304
305#ifndef ___CLIENTSIGNAL_DEFINED___
306#define ___CLIENTSIGNAL_DEFINED___
307extern Bool ClientSignal(
308 ClientPtr /*client*/);
309#endif /* ___CLIENTSIGNAL_DEFINED___ */
310
311extern void ClientWakeup(
312 ClientPtr /*client*/);
313
314extern Bool ClientIsAsleep(
315 ClientPtr /*client*/);
316
317/* atom.c */
318
319extern Atom MakeAtom(
320 char * /*string*/,
321 unsigned /*len*/,
322 Bool /*makeit*/);
323
324extern Bool ValidAtom(
325 Atom /*atom*/);
326
327extern char *NameForAtom(
328 Atom /*atom*/);
329
330extern void AtomError(void);
331
332extern void FreeAllAtoms(void);
333
334extern void InitAtoms(void);
335
336/* main.c */
337
338extern void SetVendorRelease(int release);
339
340extern void SetVendorString(char *string);
341
342/* events.c */
343
344extern void SetMaskForEvent(
345 Mask /* mask */,
346 int /* event */);
347
348
349extern Bool IsParent(
350 WindowPtr /* maybeparent */,
351 WindowPtr /* child */);
352
353extern WindowPtr GetCurrentRootWindow(void);
354
355extern WindowPtr GetSpriteWindow(void);
356
357
358extern void NoticeEventTime(xEventPtr /* xE */);
359
360extern void EnqueueEvent(
361 xEventPtr /* xE */,
362 DeviceIntPtr /* device */,
363 int /* count */);
364
365extern void ComputeFreezes(void);
366
367extern void CheckGrabForSyncs(
368 DeviceIntPtr /* dev */,
369 Bool /* thisMode */,
370 Bool /* otherMode */);
371
372extern void ActivatePointerGrab(
373 DeviceIntPtr /* mouse */,
374 GrabPtr /* grab */,
375 TimeStamp /* time */,
376 Bool /* autoGrab */);
377
378extern void DeactivatePointerGrab(
379 DeviceIntPtr /* mouse */);
380
381extern void ActivateKeyboardGrab(
382 DeviceIntPtr /* keybd */,
383 GrabPtr /* grab */,
384 TimeStamp /* time */,
385 Bool /* passive */);
386
387extern void DeactivateKeyboardGrab(
388 DeviceIntPtr /* keybd */);
389
390extern void AllowSome(
391 ClientPtr /* client */,
392 TimeStamp /* time */,
393 DeviceIntPtr /* thisDev */,
394 int /* newState */);
395
396extern void ReleaseActiveGrabs(
397 ClientPtr client);
398
399extern int DeliverEventsToWindow(
400 WindowPtr /* pWin */,
401 xEventPtr /* pEvents */,
402 int /* count */,
403 Mask /* filter */,
404 GrabPtr /* grab */,
405 int /* mskidx */);
406
407extern int DeliverDeviceEvents(
408 WindowPtr /* pWin */,
409 xEventPtr /* xE */,
410 GrabPtr /* grab */,
411 WindowPtr /* stopAt */,
412 DeviceIntPtr /* dev */,
413 int /* count */);
414
415extern void DefineInitialRootWindow(
416 WindowPtr /* win */);
417
418extern void WindowHasNewCursor(
419 WindowPtr /* pWin */);
420
421extern Bool CheckDeviceGrabs(
422 DeviceIntPtr /* device */,
423 xEventPtr /* xE */,
424 int /* checkFirst */,
425 int /* count */);
426
427extern void DeliverFocusedEvent(
428 DeviceIntPtr /* keybd */,
429 xEventPtr /* xE */,
430 WindowPtr /* window */,
431 int /* count */);
432
433extern void DeliverGrabbedEvent(
434 xEventPtr /* xE */,
435 DeviceIntPtr /* thisDev */,
436 Bool /* deactivateGrab */,
437 int /* count */);
438
439#ifdef XKB
440extern void FixKeyState(
441 xEvent * /* xE */,
442 DeviceIntPtr /* keybd */);
443#endif /* XKB */
444
445extern void RecalculateDeliverableEvents(
446 WindowPtr /* pWin */);
447
448extern int OtherClientGone(
449 pointer /* value */,
450 XID /* id */);
451
452extern void DoFocusEvents(
453 DeviceIntPtr /* dev */,
454 WindowPtr /* fromWin */,
455 WindowPtr /* toWin */,
456 int /* mode */);
457
458extern int SetInputFocus(
459 ClientPtr /* client */,
460 DeviceIntPtr /* dev */,
461 Window /* focusID */,
462 CARD8 /* revertTo */,
463 Time /* ctime */,
464 Bool /* followOK */);
465
466extern int GrabDevice(
467 ClientPtr /* client */,
468 DeviceIntPtr /* dev */,
469 unsigned /* this_mode */,
470 unsigned /* other_mode */,
471 Window /* grabWindow */,
472 unsigned /* ownerEvents */,
473 Time /* ctime */,
474 Mask /* mask */,
475 CARD8 * /* status */);
476
477extern void InitEvents(void);
478
479extern void CloseDownEvents(void);
480
481extern void DeleteWindowFromAnyEvents(
482 WindowPtr /* pWin */,
483 Bool /* freeResources */);
484
485
486extern Mask EventMaskForClient(
487 WindowPtr /* pWin */,
488 ClientPtr /* client */);
489
490
491
492extern int DeliverEvents(
493 WindowPtr /*pWin*/,
494 xEventPtr /*xE*/,
495 int /*count*/,
496 WindowPtr /*otherParent*/);
497
498
499extern void WriteEventsToClient(
500 ClientPtr /*pClient*/,
501 int /*count*/,
502 xEventPtr /*events*/);
503
504extern int TryClientEvents(
505 ClientPtr /*client*/,
506 xEventPtr /*pEvents*/,
507 int /*count*/,
508 Mask /*mask*/,
509 Mask /*filter*/,
510 GrabPtr /*grab*/);
511
512extern void WindowsRestructured(void);
513
514#ifdef PANORAMIX
515extern void ReinitializeRootWindow(WindowPtr win, int xoff, int yoff);
516#endif
517
518#ifdef RANDR
519void
520ScreenRestructured (ScreenPtr pScreen);
521#endif
522
523extern void ResetClientPrivates(void);
524
525extern int AllocateClientPrivateIndex(void);
526
527extern Bool AllocateClientPrivate(
528 int /*index*/,
529 unsigned /*amount*/);
530
531extern int ffs(int i);
532
533/*
534 * callback manager stuff
535 */
536
537#ifndef _XTYPEDEF_CALLBACKLISTPTR
538typedef struct _CallbackList *CallbackListPtr; /* also in misc.h */
539#define _XTYPEDEF_CALLBACKLISTPTR
540#endif
541
542typedef void (*CallbackProcPtr) (
543 CallbackListPtr *, pointer, pointer);
544
545typedef Bool (*AddCallbackProcPtr) (
546 CallbackListPtr *, CallbackProcPtr, pointer);
547
548typedef Bool (*DeleteCallbackProcPtr) (
549 CallbackListPtr *, CallbackProcPtr, pointer);
550
551typedef void (*CallCallbacksProcPtr) (
552 CallbackListPtr *, pointer);
553
554typedef void (*DeleteCallbackListProcPtr) (
555 CallbackListPtr *);
556
557typedef struct _CallbackProcs {
558 AddCallbackProcPtr AddCallback;
559 DeleteCallbackProcPtr DeleteCallback;
560 CallCallbacksProcPtr CallCallbacks;
561 DeleteCallbackListProcPtr DeleteCallbackList;
562} CallbackFuncsRec, *CallbackFuncsPtr;
563
564extern Bool AddCallback(
565 CallbackListPtr * /*pcbl*/,
566 CallbackProcPtr /*callback*/,
567 pointer /*data*/);
568
569extern Bool DeleteCallback(
570 CallbackListPtr * /*pcbl*/,
571 CallbackProcPtr /*callback*/,
572 pointer /*data*/);
573
574extern void CallCallbacks(
575 CallbackListPtr * /*pcbl*/,
576 pointer /*call_data*/);
577
578extern void DeleteCallbackList(
579 CallbackListPtr * /*pcbl*/);
580
581extern void InitCallbackManager(void);
582
583/*
584 * ServerGrabCallback stuff
585 */
586
587extern CallbackListPtr ServerGrabCallback;
588
589typedef enum {SERVER_GRABBED, SERVER_UNGRABBED,
590 CLIENT_PERVIOUS, CLIENT_IMPERVIOUS } ServerGrabState;
591
592typedef struct {
593 ClientPtr client;
594 ServerGrabState grabstate;
595} ServerGrabInfoRec;
596
597/*
598 * EventCallback stuff
599 */
600
601extern CallbackListPtr EventCallback;
602
603typedef struct {
604 ClientPtr client;
605 xEventPtr events;
606 int count;
607} EventInfoRec;
608
609/*
610 * DeviceEventCallback stuff
611 */
612
613extern CallbackListPtr DeviceEventCallback;
614
615typedef struct {
616 xEventPtr events;
617 int count;
618} DeviceEventInfoRec;
619
620/*
621 * SelectionCallback stuff
622 */
623
624extern CallbackListPtr SelectionCallback;
625
626typedef enum {
627 SelectionSetOwner,
628 SelectionWindowDestroy,
629 SelectionClientClose
630} SelectionCallbackKind;
631
632typedef struct {
633 struct _Selection *selection;
634 SelectionCallbackKind kind;
635} SelectionInfoRec;
636
637/* strcasecmp.c */
638#if NEED_STRCASECMP
639#define strcasecmp xstrcasecmp
640extern int xstrcasecmp(char *s1, char *s2);
641#endif
642
643#endif /* DIX_H */
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