/*********************************************************** Copyright 1987, 1998 The Open Group Permission to use, copy, modify, distribute, and sell this software and its documentation for any purpose is hereby granted without fee, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation. The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE OPEN GROUP BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. Except as contained in this notice, the name of The Open Group shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Software without prior written authorization from The Open Group. Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts. All Rights Reserved Permission to use, copy, modify, and distribute this software and its documentation for any purpose and without fee is hereby granted, provided that the above copyright notice appear in all copies and that both that copyright notice and this permission notice appear in supporting documentation, and that the name of Digital not be used in advertising or publicity pertaining to distribution of the software without specific, written prior permission. DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. ******************************************************************/ #ifndef DIX_H #define DIX_H #include "gc.h" #include "window.h" #include "input.h" #include "cursor.h" #include "geext.h" #include #define EARLIER -1 #define SAMETIME 0 #define LATER 1 #define NullClient ((ClientPtr) 0) #define REQUEST(type) \ type *stuff = (type *)client->requestBuffer #define REQUEST_SIZE_MATCH(req)\ if ((sizeof(req) >> 2) != client->req_len)\ return(BadLength) #define REQUEST_AT_LEAST_SIZE(req) \ if ((sizeof(req) >> 2) > client->req_len )\ return(BadLength) #define REQUEST_FIXED_SIZE(req, n)\ if (((sizeof(req) >> 2) > client->req_len) || \ (((sizeof(req) + (n) + 3) >> 2) != client->req_len)) \ return(BadLength) #define LEGAL_NEW_RESOURCE(id,client)\ if (!LegalNewID(id,client)) \ {\ client->errorValue = id;\ return(BadIDChoice);\ } #define VALIDATE_DRAWABLE_AND_GC(drawID, pDraw, mode)\ {\ int rc = dixLookupDrawable(&(pDraw), drawID, client, M_ANY, mode);\ if (rc != Success)\ return rc;\ rc = dixLookupGC(&(pGC), stuff->gc, client, DixUseAccess);\ if (rc != Success)\ return rc;\ if ((pGC->depth != pDraw->depth) || (pGC->pScreen != pDraw->pScreen))\ return (BadMatch);\ }\ if (pGC->serialNumber != pDraw->serialNumber)\ ValidateGC(pDraw, pGC); #define WriteReplyToClient(pClient, size, pReply) { \ if ((pClient)->swapped) \ (*ReplySwapVector[((xReq *)(pClient)->requestBuffer)->reqType]) \ (pClient, (int)(size), pReply); \ else (void) WriteToClient(pClient, (int)(size), (char *)(pReply)); } #define WriteSwappedDataToClient(pClient, size, pbuf) \ if ((pClient)->swapped) \ (*(pClient)->pSwapReplyFunc)(pClient, (int)(size), pbuf); \ else (void) WriteToClient (pClient, (int)(size), (char *)(pbuf)); typedef struct _TimeStamp *TimeStampPtr; #ifndef _XTYPEDEF_CLIENTPTR typedef struct _Client *ClientPtr; /* also in misc.h */ #define _XTYPEDEF_CLIENTPTR #endif typedef struct _WorkQueue *WorkQueuePtr; extern ClientPtr clients[MAXCLIENTS]; extern ClientPtr serverClient; extern int currentMaxClients; extern char dispatchExceptionAtReset; typedef int HWEventQueueType; typedef HWEventQueueType* HWEventQueuePtr; extern HWEventQueuePtr checkForInput[2]; typedef struct _TimeStamp { CARD32 months; /* really ~49.7 days */ CARD32 milliseconds; } TimeStamp; /* dispatch.c */ extern void SetInputCheck( HWEventQueuePtr /*c0*/, HWEventQueuePtr /*c1*/); extern void CloseDownClient( ClientPtr /*client*/); extern void UpdateCurrentTime(void); extern void UpdateCurrentTimeIf(void); extern int dixDestroyPixmap( pointer /*value*/, XID /*pid*/); extern void InitClient( ClientPtr /*client*/, int /*i*/, pointer /*ospriv*/); extern ClientPtr NextAvailableClient( pointer /*ospriv*/); extern void SendErrorToClient( ClientPtr /*client*/, unsigned int /*majorCode*/, unsigned int /*minorCode*/, XID /*resId*/, int /*errorCode*/); extern void MarkClientException( ClientPtr /*client*/); extern void ddxBeforeReset (void); /* dixutils.c */ extern void CopyISOLatin1Lowered( unsigned char * /*dest*/, unsigned char * /*source*/, int /*length*/); extern int CompareISOLatin1Lowered( unsigned char * /*a*/, int alen, unsigned char * /*b*/, int blen); extern int dixLookupWindow( WindowPtr *result, XID id, ClientPtr client, Mask access_mode); extern int dixLookupDrawable( DrawablePtr *result, XID id, ClientPtr client, Mask type_mask, Mask access_mode); extern int dixLookupGC( GCPtr *result, XID id, ClientPtr client, Mask access_mode); extern int dixLookupClient( ClientPtr *result, XID id, ClientPtr client, Mask access_mode); extern void NoopDDA(void); extern int AlterSaveSetForClient( ClientPtr /*client*/, WindowPtr /*pWin*/, unsigned /*mode*/, Bool /*toRoot*/, Bool /*map*/); extern void DeleteWindowFromAnySaveSet( WindowPtr /*pWin*/); extern void BlockHandler( pointer /*pTimeout*/, pointer /*pReadmask*/); extern void WakeupHandler( int /*result*/, pointer /*pReadmask*/); void EnableLimitedSchedulingLatency(void); void DisableLimitedSchedulingLatency(void); typedef void (* WakeupHandlerProcPtr)( pointer /* blockData */, int /* result */, pointer /* pReadmask */); extern Bool RegisterBlockAndWakeupHandlers( BlockHandlerProcPtr /*blockHandler*/, WakeupHandlerProcPtr /*wakeupHandler*/, pointer /*blockData*/); extern void RemoveBlockAndWakeupHandlers( BlockHandlerProcPtr /*blockHandler*/, WakeupHandlerProcPtr /*wakeupHandler*/, pointer /*blockData*/); extern void InitBlockAndWakeupHandlers(void); extern void ProcessWorkQueue(void); extern void ProcessWorkQueueZombies(void); extern Bool QueueWorkProc( Bool (* /*function*/)( ClientPtr /*clientUnused*/, pointer /*closure*/), ClientPtr /*client*/, pointer /*closure*/ ); typedef Bool (* ClientSleepProcPtr)( ClientPtr /*client*/, pointer /*closure*/); extern Bool ClientSleep( ClientPtr /*client*/, ClientSleepProcPtr /* function */, pointer /*closure*/); #ifndef ___CLIENTSIGNAL_DEFINED___ #define ___CLIENTSIGNAL_DEFINED___ extern Bool ClientSignal( ClientPtr /*client*/); #endif /* ___CLIENTSIGNAL_DEFINED___ */ extern void ClientWakeup( ClientPtr /*client*/); extern Bool ClientIsAsleep( ClientPtr /*client*/); /* atom.c */ extern Atom MakeAtom( char * /*string*/, unsigned /*len*/, Bool /*makeit*/); extern Bool ValidAtom( Atom /*atom*/); extern char *NameForAtom( Atom /*atom*/); extern void AtomError(void); extern void FreeAllAtoms(void); extern void InitAtoms(void); /* main.c */ extern void SetVendorRelease(int release); extern void SetVendorString(char *string); /* events.c */ extern void SetMaskForEvent( int /* deviceid */, Mask /* mask */, int /* event */); extern void ConfineToShape( DeviceIntPtr /* pDev */, RegionPtr /* shape */, int* /* px */, int* /* py */); extern Bool IsParent( WindowPtr /* maybeparent */, WindowPtr /* child */); extern WindowPtr GetCurrentRootWindow(DeviceIntPtr pDev); extern WindowPtr GetSpriteWindow(DeviceIntPtr pDev); extern void NoticeEventTime(xEventPtr /* xE */); extern void EnqueueEvent( xEventPtr /* xE */, DeviceIntPtr /* device */, int /* count */); extern void ActivatePointerGrab( DeviceIntPtr /* mouse */, GrabPtr /* grab */, TimeStamp /* time */, Bool /* autoGrab */); extern void DeactivatePointerGrab( DeviceIntPtr /* mouse */); extern void ActivateKeyboardGrab( DeviceIntPtr /* keybd */, GrabPtr /* grab */, TimeStamp /* time */, Bool /* passive */); extern void DeactivateKeyboardGrab( DeviceIntPtr /* keybd */); extern void AllowSome( ClientPtr /* client */, TimeStamp /* time */, DeviceIntPtr /* thisDev */, int /* newState */, Bool /* core */); extern void ReleaseActiveGrabs( ClientPtr client); extern int DeliverEventsToWindow( DeviceIntPtr /* pWin */, WindowPtr /* pWin */, xEventPtr /* pEvents */, int /* count */, Mask /* filter */, GrabPtr /* grab */, int /* mskidx */); extern int DeliverDeviceEvents( WindowPtr /* pWin */, xEventPtr /* xE */, GrabPtr /* grab */, WindowPtr /* stopAt */, DeviceIntPtr /* dev */, int /* count */); extern void DefineInitialRootWindow( WindowPtr /* win */); extern void SetupSprite( DeviceIntPtr /* pDev */, ScreenPtr /* pScreen */); extern void InitializeSprite( DeviceIntPtr /* pDev */, WindowPtr /* pWin */); extern void UpdateSpriteForScreen( DeviceIntPtr /* pDev */, ScreenPtr /* pScreen */); extern void WindowHasNewCursor( WindowPtr /* pWin */); extern Bool CheckDeviceGrabs( DeviceIntPtr /* device */, xEventPtr /* xE */, int /* checkFirst */, int /* count */); extern void DeliverFocusedEvent( DeviceIntPtr /* keybd */, xEventPtr /* xE */, WindowPtr /* window */, int /* count */); extern void DeliverGrabbedEvent( xEventPtr /* xE */, DeviceIntPtr /* thisDev */, Bool /* deactivateGrab */, int /* count */); #ifdef XKB extern void FixKeyState( xEvent * /* xE */, DeviceIntPtr /* keybd */); #endif /* XKB */ extern void RecalculateDeliverableEvents( WindowPtr /* pWin */); extern int OtherClientGone( pointer /* value */, XID /* id */); extern void DoFocusEvents( DeviceIntPtr /* dev */, WindowPtr /* fromWin */, WindowPtr /* toWin */, int /* mode */); extern int SetInputFocus( ClientPtr /* client */, DeviceIntPtr /* dev */, Window /* focusID */, CARD8 /* revertTo */, Time /* ctime */, Bool /* followOK */); extern int GrabDevice( ClientPtr /* client */, DeviceIntPtr /* dev */, unsigned /* this_mode */, unsigned /* other_mode */, Window /* grabWindow */, unsigned /* ownerEvents */, Time /* ctime */, Mask /* mask */, CARD8 * /* status */, Bool /* coreGrab */); extern void InitEvents(void); extern void InitSprite( DeviceIntPtr /* pDev */, Bool /* hasCursor */ ); extern void CloseDownEvents(void); extern void DeleteWindowFromAnyEvents( WindowPtr /* pWin */, Bool /* freeResources */); extern Mask EventMaskForClient( WindowPtr /* pWin */, ClientPtr /* client */); extern int DeliverEvents( WindowPtr /*pWin*/, xEventPtr /*xE*/, int /*count*/, WindowPtr /*otherParent*/); extern Bool CheckMotion( xEvent* /* xE */, DeviceIntPtr /* pDev */); extern void WriteEventsToClient( ClientPtr /*pClient*/, int /*count*/, xEventPtr /*events*/); extern int TryClientEvents( ClientPtr /*client*/, DeviceIntPtr /* device */, xEventPtr /*pEvents*/, int /*count*/, Mask /*mask*/, Mask /*filter*/, GrabPtr /*grab*/); extern void WindowsRestructured(void); extern Bool SetClientPointer( ClientPtr /* client */, ClientPtr /* setter */, DeviceIntPtr /* device */); extern DeviceIntPtr PickPointer( ClientPtr /* client */); extern DeviceIntPtr PickKeyboard( ClientPtr /* client */); extern Bool IsInterferingGrab( ClientPtr /* client */, DeviceIntPtr /* dev */, xEvent* /* events */); #ifdef PANORAMIX extern void ReinitializeRootWindow(WindowPtr win, int xoff, int yoff); #endif #ifdef RANDR void ScreenRestructured (ScreenPtr pScreen); #endif extern int ffs(int i); /* * callback manager stuff */ #ifndef _XTYPEDEF_CALLBACKLISTPTR typedef struct _CallbackList *CallbackListPtr; /* also in misc.h */ #define _XTYPEDEF_CALLBACKLISTPTR #endif typedef void (*CallbackProcPtr) ( CallbackListPtr *, pointer, pointer); extern Bool AddCallback( CallbackListPtr * /*pcbl*/, CallbackProcPtr /*callback*/, pointer /*data*/); extern Bool DeleteCallback( CallbackListPtr * /*pcbl*/, CallbackProcPtr /*callback*/, pointer /*data*/); extern void CallCallbacks( CallbackListPtr * /*pcbl*/, pointer /*call_data*/); extern void DeleteCallbackList( CallbackListPtr * /*pcbl*/); extern void InitCallbackManager(void); /* * ServerGrabCallback stuff */ extern CallbackListPtr ServerGrabCallback; typedef enum {SERVER_GRABBED, SERVER_UNGRABBED, CLIENT_PERVIOUS, CLIENT_IMPERVIOUS } ServerGrabState; typedef struct { ClientPtr client; ServerGrabState grabstate; } ServerGrabInfoRec; /* * EventCallback stuff */ extern CallbackListPtr EventCallback; typedef struct { ClientPtr client; xEventPtr events; int count; } EventInfoRec; /* * DeviceEventCallback stuff */ extern CallbackListPtr DeviceEventCallback; typedef struct { xEventPtr events; int count; } DeviceEventInfoRec; extern int XItoCoreType(int xi_type); extern Bool DevHasCursor(DeviceIntPtr pDev); extern _X_EXPORT Bool IsPointerDevice( DeviceIntPtr dev); extern _X_EXPORT Bool IsKeyboardDevice(DeviceIntPtr dev); extern Bool IsPointerEvent(xEvent* xE); /* * These are deprecated compatibility functions and will be removed soon! * Please use the noted replacements instead. */ /* replaced by dixLookupWindow */ extern WindowPtr SecurityLookupWindow( XID id, ClientPtr client, Mask access_mode); /* replaced by dixLookupWindow */ extern WindowPtr LookupWindow( XID id, ClientPtr client); /* replaced by dixLookupDrawable */ extern pointer SecurityLookupDrawable( XID id, ClientPtr client, Mask access_mode); /* replaced by dixLookupDrawable */ extern pointer LookupDrawable( XID id, ClientPtr client); /* replaced by dixLookupClient */ extern ClientPtr LookupClient( XID id, ClientPtr client); /* GE stuff */ extern void SetGenericFilter(int extension, Mask* filters); extern int ExtGrabDevice(ClientPtr client, DeviceIntPtr dev, int device_mode, WindowPtr grabWindow, WindowPtr confineTo, TimeStamp ctime, Bool ownerEvents, CursorPtr cursor, Mask xi_mask, GenericMaskPtr ge_masks); #endif /* DIX_H */