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120 lines
4.5 KiB
C
120 lines
4.5 KiB
C
/*
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* Message queues definitions
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*
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* Copyright 1993 Alexandre Julliard
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*/
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#ifndef __WINE_QUEUE_H
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#define __WINE_QUEUE_H
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "winuser.h"
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#include "thread.h"
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/* Message as stored in the queue (contains the extraInfo field) */
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typedef struct tagQMSG
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{
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int type;
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MSG msg;
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DWORD extraInfo; /* Only in 3.1 */
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struct tagQMSG *nextMsg;
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struct tagQMSG *prevMsg;
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} QMSG;
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#define QMSG_WIN16 0
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#define QMSG_WIN32A 1
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#define QMSG_WIN32W 2
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#define QMSG_HARDWARE 3
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/* Per-queue data for the message queue
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* Note that we currently only store the current values for
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* Active, Capture and Focus windows currently.
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* It might be necessary to store a pointer to the system message queue
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* as well since windows 9x maintains per thread system message queues
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*/
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typedef struct tagPERQUEUEDATA
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{
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HWND hWndFocus; /* Focus window */
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HWND hWndActive; /* Active window */
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HWND hWndCapture; /* Capture window */
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INT16 nCaptureHT; /* Capture info (hit-test) */
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ULONG ulRefCount; /* Reference count */
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CRITICAL_SECTION cSection; /* Critical section for thread safe access */
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} PERQUEUEDATA;
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/* Message queue */
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typedef struct tagMESSAGEQUEUE
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{
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HQUEUE16 self; /* Handle to self (was: reserved) */
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TEB* teb; /* Thread owning queue */
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HANDLE server_queue; /* Handle to server-side queue */
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CRITICAL_SECTION cSection; /* Queue access critical section */
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DWORD magic; /* magic number should be QUEUE_MAGIC */
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DWORD lockCount; /* reference counter */
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QMSG* firstMsg; /* First message in linked list */
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QMSG* lastMsg; /* Last message in linked list */
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WORD wPostQMsg; /* PostQuitMessage flag */
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WORD wExitCode; /* PostQuitMessage exit code */
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WORD wPaintCount; /* Number of WM_PAINT needed */
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DWORD GetMessageTimeVal; /* Value for GetMessageTime */
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DWORD GetMessagePosVal; /* Value for GetMessagePos */
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DWORD GetMessageExtraInfoVal; /* Value for GetMessageExtraInfo */
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HANDLE16 hCurHook; /* Current hook */
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HANDLE16 hooks[WH_NB_HOOKS]; /* Task hooks list */
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PERQUEUEDATA *pQData; /* pointer to (shared) PERQUEUEDATA structure */
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} MESSAGEQUEUE;
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#define QUEUE_MAGIC 0xD46E80AF
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/* Per queue data management methods */
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PERQUEUEDATA* PERQDATA_CreateInstance( void );
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ULONG PERQDATA_Addref( PERQUEUEDATA* pQData );
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ULONG PERQDATA_Release( PERQUEUEDATA* pQData );
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HWND PERQDATA_GetFocusWnd( PERQUEUEDATA *pQData );
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HWND PERQDATA_SetFocusWnd( PERQUEUEDATA *pQData, HWND hWndFocus );
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HWND PERQDATA_GetActiveWnd( PERQUEUEDATA *pQData );
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HWND PERQDATA_SetActiveWnd( PERQUEUEDATA *pQData, HWND hWndActive );
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HWND PERQDATA_GetCaptureWnd( PERQUEUEDATA *pQData );
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HWND PERQDATA_SetCaptureWnd( PERQUEUEDATA *pQData, HWND hWndCapture );
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INT16 PERQDATA_GetCaptureInfo( PERQUEUEDATA *pQData );
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INT16 PERQDATA_SetCaptureInfo( PERQUEUEDATA *pQData, INT16 nCaptureHT );
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/* Message queue management methods */
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extern MESSAGEQUEUE *QUEUE_Lock( HQUEUE16 hQueue );
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extern void QUEUE_Unlock( MESSAGEQUEUE *queue );
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extern void QUEUE_DumpQueue( HQUEUE16 hQueue );
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extern BOOL QUEUE_IsExitingQueue( HQUEUE16 hQueue );
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extern void QUEUE_SetExitingQueue( HQUEUE16 hQueue );
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extern MESSAGEQUEUE *QUEUE_GetSysQueue(void);
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extern void QUEUE_SetWakeBit( MESSAGEQUEUE *queue, WORD set, WORD clear );
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extern void QUEUE_ClearWakeBit( MESSAGEQUEUE *queue, WORD bit );
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extern WORD QUEUE_TestWakeBit( MESSAGEQUEUE *queue, WORD bit );
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extern int QUEUE_WaitBits( WORD bits, DWORD timeout );
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extern void QUEUE_IncPaintCount( HQUEUE16 hQueue );
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extern void QUEUE_DecPaintCount( HQUEUE16 hQueue );
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extern BOOL QUEUE_CreateSysMsgQueue( int size );
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extern BOOL QUEUE_DeleteMsgQueue( HQUEUE16 hQueue );
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extern HTASK16 QUEUE_GetQueueTask( HQUEUE16 hQueue );
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extern BOOL QUEUE_FindMsg( HWND hwnd, UINT first, UINT last, BOOL remove,
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BOOL sent_only, QMSG *msg );
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extern void QUEUE_RemoveMsg( MESSAGEQUEUE * msgQueue, QMSG *qmsg );
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extern void QUEUE_CleanupWindow( HWND hwnd );
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extern void hardware_event( UINT message, WPARAM wParam, LPARAM lParam,
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int xPos, int yPos, DWORD time, DWORD extraInfo );
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extern HQUEUE16 WINAPI InitThreadInput16( WORD unknown, WORD flags );
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#endif /* __WINE_QUEUE_H */
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