1996-03-14 19:08:34 +01:00
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/*
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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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#ifndef WINELIB
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#pragma pack(1)
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#endif
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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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MSG msg;
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} QMSG;
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typedef struct tagMESSAGEQUEUE
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{
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HQUEUE next; /* 00 Next queue */
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HTASK 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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WORD reserved1; /* 16 Unknown */
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DWORD GetMessageExtraInfoVal; /* 18 Value for GetMessageExtraInfo */
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WORD reserved2; /* 1c Unknown */
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LPARAM lParam WINE_PACKED; /* 1e Next 4 values set by SendMessage */
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WPARAM wParam; /* 22 */
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UINT msg; /* 24 */
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HWND 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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1996-05-28 20:54:58 +02:00
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WORD flags; /* 30 Queue flags */
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WORD reserved3[2]; /* 32 Unknown */
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1996-03-14 19:08:34 +01:00
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WORD wWinVersion; /* 36 Expected Windows version */
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HQUEUE InSendMessageHandle; /* 38 Queue of task that sent a message */
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HTASK hSendingTask; /* 3a Handle of task that sent a message */
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HTASK 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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1996-05-28 20:54:58 +02:00
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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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1996-03-14 19:08:34 +01:00
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WORD SendMsgReturnPtrs[3]; /* 48 Near ptr to return values (?) */
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HANDLE hCurHook; /* 4e Current hook */
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HANDLE hooks[WH_NB_HOOKS]; /* 50 Task hooks list */
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WORD reserved4[3]; /* 68 Unknown */
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QMSG messages[1]; /* 6e Queue messages */
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} MESSAGEQUEUE;
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#ifndef WINELIB
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#pragma pack(4)
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#endif
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1996-05-28 20:54:58 +02:00
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/* Extra (undocumented) queue wake bits; not sure about the values */
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#define QS_SMRESULT 0x0100 /* Queue has a SendMessage() result */
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#define QS_SMPARAMSFREE 0x0200 /* SendMessage() parameters are available */
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/* Queue flags */
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#define QUEUE_FLAG_REPLIED 0x0001 /* Replied to a SendMessage() */
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1996-03-14 19:08:34 +01:00
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extern void QUEUE_DumpQueue( HQUEUE hQueue );
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extern void QUEUE_WalkQueues(void);
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extern MESSAGEQUEUE *QUEUE_GetSysQueue(void);
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1996-05-28 20:54:58 +02:00
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extern void QUEUE_SetWakeBit( 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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1996-03-14 19:08:34 +01:00
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extern void QUEUE_IncPaintCount( HQUEUE hQueue );
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extern void QUEUE_DecPaintCount( HQUEUE hQueue );
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extern void QUEUE_IncTimerCount( HQUEUE hQueue );
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extern void QUEUE_DecTimerCount( HQUEUE hQueue );
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extern BOOL QUEUE_CreateSysMsgQueue( int size );
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extern BOOL QUEUE_DeleteMsgQueue( HQUEUE hQueue );
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extern HTASK QUEUE_GetQueueTask( HQUEUE hQueue );
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extern BOOL QUEUE_AddMsg( HQUEUE hQueue, MSG * msg, DWORD extraInfo );
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extern int QUEUE_FindMsg( MESSAGEQUEUE * msgQueue, HWND 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 hardware_event( WORD message, WORD wParam, LONG lParam,
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int xPos, int yPos, DWORD time, DWORD extraInfo );
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#endif /* __WINE_QUEUE_H */
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