106 lines
4.6 KiB
C
106 lines
4.6 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 "windows.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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DWORD extraInfo; /* Only in 3.1 */
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MSG16 msg;
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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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#pragma pack(1)
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typedef struct tagMESSAGEQUEUE
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{
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HQUEUE16 next; /* 00 Next queue */
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HTASK16 hTask; /* 02 hTask owning the queue */
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WORD msgSize; /* 04 Size of messages in the queue */
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WORD msgCount; /* 06 Number of waiting messages */
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WORD nextMessage; /* 08 Next message to be retrieved */
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WORD nextFreeMessage; /* 0a Next available slot in the queue */
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WORD queueSize; /* 0c Size of the queue */
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DWORD GetMessageTimeVal WINE_PACKED; /* 0e Value for GetMessageTime */
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DWORD GetMessagePosVal WINE_PACKED; /* 12 Value for GetMessagePos */
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HQUEUE16 self; /* 16 Handle to self (was: reserved) */
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DWORD GetMessageExtraInfoVal; /* 18 Value for GetMessageExtraInfo */
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WORD wParamHigh; /* 1c High word of wParam (was: reserved)*/
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LPARAM lParam WINE_PACKED; /* 1e Next 4 values set by SendMessage */
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WPARAM16 wParam; /* 22 */
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UINT16 msg; /* 24 */
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HWND16 hWnd; /* 26 */
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DWORD SendMessageReturn; /* 28 Return value for SendMessage */
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WORD wPostQMsg; /* 2c PostQuitMessage flag */
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WORD wExitCode; /* 2e PostQuitMessage exit code */
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WORD flags; /* 30 Queue flags */
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QSMCTRL* smResultInit; /* 32 1st LRESULT ptr - was: reserved */
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WORD wWinVersion; /* 36 Expected Windows version */
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HQUEUE16 InSendMessageHandle; /* 38 Queue of task that sent a message */
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HTASK16 hSendingTask; /* 3a Handle of task that sent a message */
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HTASK16 hPrevSendingTask; /* 3c Handle of previous sender */
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WORD wPaintCount; /* 3e Number of WM_PAINT needed */
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WORD wTimerCount; /* 40 Number of timers for this task */
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WORD changeBits; /* 42 Changed wake-up bits */
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WORD wakeBits; /* 44 Queue wake-up bits */
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WORD wakeMask; /* 46 Queue wake-up mask */
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QSMCTRL* smResultCurrent; /* 48 ptrs to SendMessage() LRESULT - point to */
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WORD SendMsgReturnPtr[1]; /* values on stack */
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HANDLE16 hCurHook; /* 4e Current hook */
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HANDLE16 hooks[WH_NB_HOOKS]; /* 50 Task hooks list */
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QSMCTRL* smResult; /* 6c 3rd LRESULT ptr - was: reserved */
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QMSG messages[1]; /* 70 Queue messages */
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} MESSAGEQUEUE;
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#pragma pack(4)
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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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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_Signal( HTASK16 hTask );
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extern void QUEUE_Wait(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, MSG16 * msg, DWORD extraInfo );
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extern int QUEUE_FindMsg( MESSAGEQUEUE * msgQueue, HWND32 hwnd,
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int first, int last );
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extern void QUEUE_RemoveMsg( MESSAGEQUEUE * msgQueue, int pos );
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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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