154 lines
6.0 KiB
C
154 lines
6.0 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 "wintypes.h"
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#include "wine/winuser16.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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MSG32 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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typedef struct
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{
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LRESULT lResult;
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BOOL16 bPending;
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} QSMCTRL;
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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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HWND32 hWndFocus; /* Focus window */
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HWND32 hWndActive; /* Active window */
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HWND32 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 next; /* Next queue */
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HQUEUE16 self; /* Handle to self (was: reserved) */
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THDB* thdb; /* Thread owning queue */
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HANDLE32 hEvent; /* Event handle */
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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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WORD flags; /* Queue flags */
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WORD wWinVersion; /* Expected Windows version */
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WORD msgCount; /* Number of waiting messages */
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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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WORD wTimerCount; /* Number of timers for this task */
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WORD changeBits; /* Changed wake-up bits */
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WORD wakeBits; /* Queue wake-up bits */
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WORD wakeMask; /* Queue wake-up mask */
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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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HQUEUE16 InSendMessageHandle; /* Queue of task that sent a message */
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HTASK16 hSendingTask; /* Handle of task that sent a message */
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HTASK16 hPrevSendingTask; /* Handle of previous sender */
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HWND32 hWnd32; /* Send message arguments */
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UINT32 msg32;
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WPARAM32 wParam32;
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LPARAM lParam;
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DWORD SendMessageReturn; /* Return value for SendMessage */
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QSMCTRL* smResultInit; /* SendMesage result pointers */
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QSMCTRL* smResultCurrent;
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QSMCTRL* smResult;
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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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/* Extra (undocumented) queue wake bits - see "Undoc. Windows" */
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#define QS_SMRESULT 0x8000 /* Queue has a SendMessage() result */
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#define QS_SMPARAMSFREE 0x4000 /* SendMessage() parameters are available */
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/* Queue flags */
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#define QUEUE_SM_WIN32 0x0002 /* Currently sent message is Win32 */
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#define QUEUE_SM_UNICODE 0x0004 /* Currently sent message is Unicode */
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#define QUEUE_MAGIC 0xD46E80AF
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/* Per queue data management methods */
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PERQUEUEDATA* PERQDATA_CreateInstance( );
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ULONG PERQDATA_Addref( PERQUEUEDATA* pQData );
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ULONG PERQDATA_Release( PERQUEUEDATA* pQData );
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HWND32 PERQDATA_GetFocusWnd( PERQUEUEDATA *pQData );
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HWND32 PERQDATA_SetFocusWnd( PERQUEUEDATA *pQData, HWND32 hWndFocus );
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HWND32 PERQDATA_GetActiveWnd( PERQUEUEDATA *pQData );
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HWND32 PERQDATA_SetActiveWnd( PERQUEUEDATA *pQData, HWND32 hWndActive );
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HWND32 PERQDATA_GetCaptureWnd( PERQUEUEDATA *pQData );
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HWND32 PERQDATA_SetCaptureWnd( PERQUEUEDATA *pQData, HWND32 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 void QUEUE_WalkQueues(void);
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extern BOOL32 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 bit );
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extern void QUEUE_ClearWakeBit( MESSAGEQUEUE *queue, WORD bit );
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extern void QUEUE_ReceiveMessage( MESSAGEQUEUE *queue );
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extern void QUEUE_WaitBits( WORD bits );
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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 void QUEUE_IncTimerCount( HQUEUE16 hQueue );
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extern void QUEUE_DecTimerCount( HQUEUE16 hQueue );
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extern BOOL32 QUEUE_CreateSysMsgQueue( int size );
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extern BOOL32 QUEUE_DeleteMsgQueue( HQUEUE16 hQueue );
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extern HTASK16 QUEUE_GetQueueTask( HQUEUE16 hQueue );
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extern BOOL32 QUEUE_AddMsg( HQUEUE16 hQueue, MSG32 * msg, DWORD extraInfo );
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extern QMSG* QUEUE_FindMsg( MESSAGEQUEUE * msgQueue, HWND32 hwnd,
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int first, int last );
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extern void QUEUE_RemoveMsg( MESSAGEQUEUE * msgQueue, QMSG *qmsg );
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extern void QUEUE_FlushMessages(HQUEUE16);
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extern void hardware_event( WORD message, WORD wParam, LONG lParam,
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int xPos, int yPos, DWORD time, DWORD extraInfo );
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extern HQUEUE16 WINAPI InitThreadInput( WORD unknown, WORD flags );
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#endif /* __WINE_QUEUE_H */
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