| /* |
| * Message queues definitions |
| * |
| * Copyright 1993 Alexandre Julliard |
| */ |
| |
| #ifndef __WINE_QUEUE_H |
| #define __WINE_QUEUE_H |
| |
| #include "wintypes.h" |
| #include "winuser.h" |
| #include "thread.h" |
| |
| |
| /* Message as stored in the queue (contains the extraInfo field) */ |
| typedef struct tagQMSG |
| { |
| MSG msg; |
| DWORD extraInfo; /* Only in 3.1 */ |
| |
| struct tagQMSG *nextMsg; |
| struct tagQMSG *prevMsg; |
| } QMSG; |
| |
| |
| typedef struct tagSMSG |
| { |
| struct tagSMSG *nextProcessing; /* next SMSG in the processing list */ |
| struct tagSMSG *nextPending; /* next SMSG in the pending list */ |
| struct tagSMSG *nextWaiting; /* next SMSG in the waiting list */ |
| |
| HQUEUE16 hSrcQueue; /* sending Queue, (NULL if it didn't wait) */ |
| HQUEUE16 hDstQueue; /* destination Queue */ |
| |
| HWND hWnd; /* destinantion window */ |
| UINT msg; /* message sent */ |
| WPARAM wParam; /* wParam of the sent message */ |
| LPARAM lParam; /* lParam of the sent message */ |
| |
| LRESULT lResult; /* result of SendMessage */ |
| WORD flags; /* see below SMSG_XXXX */ |
| } SMSG; |
| |
| |
| /* SMSG -> flags values */ |
| /* set when lResult contains a good value */ |
| #define SMSG_HAVE_RESULT 0x0001 |
| /* protection for multiple call to ReplyMessage16() */ |
| #define SMSG_ALREADY_REPLIED 0x0002 |
| /* use with EARLY_REPLY for forcing the receiver to clean SMSG */ |
| #define SMSG_RECEIVER_CLEANS 0x0010 |
| /* used with EARLY_REPLY to indicate to sender, receiver is done with SMSG */ |
| #define SMSG_RECEIVED 0x0020 |
| /* set in ReceiveMessage() to indicate it's not an early reply */ |
| #define SMSG_SENDING_REPLY 0x0040 |
| /* set when ReplyMessage16() is called by the application */ |
| #define SMSG_EARLY_REPLY 0x0080 |
| /* set when sender is Win32 thread */ |
| #define SMSG_WIN32 0x1000 |
| /* set when sender is a unnicode thread */ |
| #define SMSG_UNICODE 0x2000 |
| |
| /* Per-queue data for the message queue |
| * Note that we currently only store the current values for |
| * Active, Capture and Focus windows currently. |
| * It might be necessary to store a pointer to the system message queue |
| * as well since windows 9x maintains per thread system message queues |
| */ |
| typedef struct tagPERQUEUEDATA |
| { |
| HWND hWndFocus; /* Focus window */ |
| HWND hWndActive; /* Active window */ |
| HWND hWndCapture; /* Capture window */ |
| INT16 nCaptureHT; /* Capture info (hit-test) */ |
| ULONG ulRefCount; /* Reference count */ |
| CRITICAL_SECTION cSection; /* Critical section for thread safe access */ |
| } PERQUEUEDATA; |
| |
| /* Message queue */ |
| typedef struct tagMESSAGEQUEUE |
| { |
| HQUEUE16 next; /* Next queue */ |
| HQUEUE16 self; /* Handle to self (was: reserved) */ |
| THDB* thdb; /* Thread owning queue */ |
| HANDLE hEvent; /* Event handle */ |
| CRITICAL_SECTION cSection; /* Queue access critical section */ |
| |
| DWORD magic; /* magic number should be QUEUE_MAGIC */ |
| DWORD lockCount; /* reference counter */ |
| WORD wWinVersion; /* Expected Windows version */ |
| |
| WORD msgCount; /* Number of waiting messages */ |
| QMSG* firstMsg; /* First message in linked list */ |
| QMSG* lastMsg; /* Last message in linked list */ |
| |
| WORD wPostQMsg; /* PostQuitMessage flag */ |
| WORD wExitCode; /* PostQuitMessage exit code */ |
| WORD wPaintCount; /* Number of WM_PAINT needed */ |
| WORD wTimerCount; /* Number of timers for this task */ |
| |
| WORD changeBits; /* Changed wake-up bits */ |
| WORD wakeBits; /* Queue wake-up bits */ |
| WORD wakeMask; /* Queue wake-up mask */ |
| |
| DWORD GetMessageTimeVal; /* Value for GetMessageTime */ |
| DWORD GetMessagePosVal; /* Value for GetMessagePos */ |
| DWORD GetMessageExtraInfoVal; /* Value for GetMessageExtraInfo */ |
| |
| SMSG* smWaiting; /* SendMessage waiting for reply */ |
| SMSG* smProcessing; /* SendMessage currently being processed */ |
| SMSG* smPending; /* SendMessage waiting to be received */ |
| |
| HANDLE16 hCurHook; /* Current hook */ |
| HANDLE16 hooks[WH_NB_HOOKS]; /* Task hooks list */ |
| |
| PERQUEUEDATA *pQData; /* pointer to (shared) PERQUEUEDATA structure */ |
| |
| } MESSAGEQUEUE; |
| |
| |
| /* Extra (undocumented) queue wake bits - see "Undoc. Windows" */ |
| #define QS_SMRESULT 0x8000 /* Queue has a SendMessage() result */ |
| |
| /* Types of SMSG stack */ |
| #define SM_PROCESSING_LIST 1 /* list of SM currently being processed */ |
| #define SM_PENDING_LIST 2 /* list of SM wating to be received */ |
| #define SM_WAITING_LIST 3 /* list of SM waiting for reply */ |
| |
| #define QUEUE_MAGIC 0xD46E80AF |
| |
| /* Per queue data management methods */ |
| PERQUEUEDATA* PERQDATA_CreateInstance( void ); |
| ULONG PERQDATA_Addref( PERQUEUEDATA* pQData ); |
| ULONG PERQDATA_Release( PERQUEUEDATA* pQData ); |
| HWND PERQDATA_GetFocusWnd( PERQUEUEDATA *pQData ); |
| HWND PERQDATA_SetFocusWnd( PERQUEUEDATA *pQData, HWND hWndFocus ); |
| HWND PERQDATA_GetActiveWnd( PERQUEUEDATA *pQData ); |
| HWND PERQDATA_SetActiveWnd( PERQUEUEDATA *pQData, HWND hWndActive ); |
| HWND PERQDATA_GetCaptureWnd( PERQUEUEDATA *pQData ); |
| HWND PERQDATA_SetCaptureWnd( PERQUEUEDATA *pQData, HWND hWndCapture ); |
| INT16 PERQDATA_GetCaptureInfo( PERQUEUEDATA *pQData ); |
| INT16 PERQDATA_SetCaptureInfo( PERQUEUEDATA *pQData, INT16 nCaptureHT ); |
| |
| /* Message queue management methods */ |
| extern MESSAGEQUEUE *QUEUE_Lock( HQUEUE16 hQueue ); |
| extern void QUEUE_Unlock( MESSAGEQUEUE *queue ); |
| extern void QUEUE_DumpQueue( HQUEUE16 hQueue ); |
| extern void QUEUE_WalkQueues(void); |
| extern BOOL 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 BOOL QUEUE_CreateSysMsgQueue( int size ); |
| extern BOOL QUEUE_DeleteMsgQueue( HQUEUE16 hQueue ); |
| extern HTASK16 QUEUE_GetQueueTask( HQUEUE16 hQueue ); |
| extern BOOL QUEUE_AddMsg( HQUEUE16 hQueue, MSG * msg, DWORD extraInfo ); |
| extern QMSG* QUEUE_FindMsg( MESSAGEQUEUE * msgQueue, HWND hwnd, |
| int first, int last ); |
| extern void QUEUE_RemoveMsg( MESSAGEQUEUE * msgQueue, QMSG *qmsg ); |
| extern SMSG *QUEUE_RemoveSMSG( MESSAGEQUEUE *queue, int list, SMSG *smsg ); |
| extern BOOL QUEUE_AddSMSG( MESSAGEQUEUE *queue, int list, SMSG *smsg ); |
| extern void hardware_event( WORD message, WORD wParam, LONG lParam, |
| int xPos, int yPos, DWORD time, DWORD extraInfo ); |
| |
| extern HQUEUE16 WINAPI InitThreadInput16( WORD unknown, WORD flags ); |
| |
| #endif /* __WINE_QUEUE_H */ |
