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/*
* Message queues definitions
*
* Copyright 1993 Alexandre Julliard
*/
#ifndef __WINE_QUEUE_H
#define __WINE_QUEUE_H
#include "windows.h"
/* Message as stored in the queue (contains the extraInfo field) */
typedef struct tagQMSG
{
DWORD extraInfo; /* Only in 3.1 */
MSG16 msg;
} QMSG;
typedef struct
{
LRESULT lResult;
BOOL16 bPending;
} QSMCTRL;
#pragma pack(1)
typedef struct tagMESSAGEQUEUE
{
HQUEUE16 next; /* 00 Next queue */
HTASK16 hTask; /* 02 hTask owning the queue */
WORD msgSize; /* 04 Size of messages in the queue */
WORD msgCount; /* 06 Number of waiting messages */
WORD nextMessage; /* 08 Next message to be retrieved */
WORD nextFreeMessage; /* 0a Next available slot in the queue */
WORD queueSize; /* 0c Size of the queue */
DWORD GetMessageTimeVal WINE_PACKED; /* 0e Value for GetMessageTime */
DWORD GetMessagePosVal WINE_PACKED; /* 12 Value for GetMessagePos */
HQUEUE16 self; /* 16 Handle to self (was: reserved) */
DWORD GetMessageExtraInfoVal; /* 18 Value for GetMessageExtraInfo */
WORD wParamHigh; /* 1c High word of wParam (was: reserved)*/
LPARAM lParam WINE_PACKED; /* 1e Next 4 values set by SendMessage */
WPARAM16 wParam; /* 22 */
UINT16 msg; /* 24 */
HWND16 hWnd; /* 26 */
DWORD SendMessageReturn; /* 28 Return value for SendMessage */
WORD wPostQMsg; /* 2c PostQuitMessage flag */
WORD wExitCode; /* 2e PostQuitMessage exit code */
WORD flags; /* 30 Queue flags */
QSMCTRL* smResultInit; /* 32 1st LRESULT ptr - was: reserved */
WORD wWinVersion; /* 36 Expected Windows version */
HQUEUE16 InSendMessageHandle; /* 38 Queue of task that sent a message */
HTASK16 hSendingTask; /* 3a Handle of task that sent a message */
HTASK16 hPrevSendingTask; /* 3c Handle of previous sender */
WORD wPaintCount; /* 3e Number of WM_PAINT needed */
WORD wTimerCount; /* 40 Number of timers for this task */
WORD changeBits; /* 42 Changed wake-up bits */
WORD wakeBits; /* 44 Queue wake-up bits */
WORD wakeMask; /* 46 Queue wake-up mask */
QSMCTRL* smResultCurrent; /* 48 ptrs to SendMessage() LRESULT - point to */
WORD SendMsgReturnPtr[1]; /* values on stack */
HANDLE16 hCurHook; /* 4e Current hook */
HANDLE16 hooks[WH_NB_HOOKS]; /* 50 Task hooks list */
QSMCTRL* smResult; /* 6c 3rd LRESULT ptr - was: reserved */
QMSG messages[1]; /* 70 Queue messages */
} MESSAGEQUEUE;
#pragma pack(4)
/* Extra (undocumented) queue wake bits - see "Undoc. Windows" */
#define QS_SMRESULT 0x8000 /* Queue has a SendMessage() result */
#define QS_SMPARAMSFREE 0x4000 /* SendMessage() parameters are available */
/* Queue flags */
#define QUEUE_FLAG_XEVENT 0x0001
#define QUEUE_SM_WIN32 0x0002 /* Currently sent message is Win32 */
#define QUEUE_SM_UNICODE 0x0004 /* Currently sent message is Unicode */
extern void QUEUE_DumpQueue( HQUEUE16 hQueue );
extern void QUEUE_WalkQueues(void);
extern BOOL32 QUEUE_IsExitingQueue( HQUEUE16 hQueue );
extern void QUEUE_SetExitingQueue( HQUEUE16 hQueue );
extern MESSAGEQUEUE *QUEUE_GetSysQueue(void);
extern void QUEUE_SetWakeBit( MESSAGEQUEUE *queue, WORD bit );
extern void QUEUE_ClearWakeBit( MESSAGEQUEUE *queue, WORD bit );
extern void QUEUE_ReceiveMessage( MESSAGEQUEUE *queue );
extern void QUEUE_WaitBits( WORD bits );
extern void QUEUE_IncPaintCount( HQUEUE16 hQueue );
extern void QUEUE_DecPaintCount( HQUEUE16 hQueue );
extern void QUEUE_IncTimerCount( HQUEUE16 hQueue );
extern void QUEUE_DecTimerCount( HQUEUE16 hQueue );
extern BOOL32 QUEUE_CreateSysMsgQueue( int size );
extern BOOL32 QUEUE_DeleteMsgQueue( HQUEUE16 hQueue );
extern HTASK16 QUEUE_GetQueueTask( HQUEUE16 hQueue );
extern BOOL32 QUEUE_AddMsg( HQUEUE16 hQueue, MSG16 * msg, DWORD extraInfo );
extern int QUEUE_FindMsg( MESSAGEQUEUE * msgQueue, HWND32 hwnd,
int first, int last );
extern void QUEUE_RemoveMsg( MESSAGEQUEUE * msgQueue, int pos );
extern void hardware_event( WORD message, WORD wParam, LONG lParam,
int xPos, int yPos, DWORD time, DWORD extraInfo );
#endif /* __WINE_QUEUE_H */
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