sl@0: // Copyright (c) 2006-2010 Nokia Corporation and/or its subsidiary(-ies).
sl@0: // All rights reserved.
sl@0: // This component and the accompanying materials are made available
sl@0: // under the terms of "Eclipse Public License v1.0"
sl@0: // which accompanies this distribution, and is available
sl@0: // at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: //
sl@0: // Initial Contributors:
sl@0: // Nokia Corporation - initial contribution.
sl@0: //
sl@0: // Contributors:
sl@0: //
sl@0: // Description:
sl@0: // WsPointer and associated classes definitions
sl@0: // 
sl@0: //
sl@0: 
sl@0: #ifndef __POINTER_H__
sl@0: #define __POINTER_H__
sl@0: 
sl@0: #include "server.h"
sl@0: 
sl@0: class CWsPointerTimer : public CTimer
sl@0: 	{
sl@0: public:
sl@0: 	CWsPointerTimer();
sl@0: 	void ConstructL();
sl@0: private:
sl@0: 	void RunL();
sl@0: 	};
sl@0: 
sl@0: class WsPointer
sl@0: 	{
sl@0: 	enum {EPointerUpdateGapInMicroSeconds=50000};
sl@0: public:
sl@0: 	static void InitStaticsL();
sl@0: 	static void DeleteStatics();
sl@0: 	static inline TPointerCursorMode PointerCursorMode();
sl@0: 	static inline void SetPointerCursorMode(TPointerCursorMode aMode);
sl@0: 	static inline TPoint PointerCursorPos();
sl@0: 	static void SetPointerCursorPos(TPoint aPos);
sl@0: 	static void ReLogCurrentWindow();
sl@0: 	static void ReLogCurrentWindow(TPoint &aPos, TPoint &aParentPos, const CWsWindowGroup *aForceInGroup);
sl@0: 	static void ReLogWindow(const CWsWindow *aWin);
sl@0: 	static void WindowDisconected(const CWsWindow *deletedWindow);
sl@0: 	static void ClaimGrab(const CWsWindow *aWindow, TBool aSendUpEvent);
sl@0: #if defined(__WINS__)
sl@0: 	static TBool PreProcessEvent(TRawEvent &aRawEvent,TBool aFromHardware=EFalse);
sl@0: #else
sl@0: 	static TBool PreProcessEvent(TRawEvent &aRawEvent);
sl@0: #endif
sl@0: 	static void ProcessEvent(TPointerEvent::TType type, const TPoint &aPos, TUint aModifiers
sl@0: 																				,const CWsWindowGroup *aForceInGroup,TBool aNatural);
sl@0: 	static void GetDoubleClickSettings(TTimeIntervalMicroSeconds32 &aTime, TInt &aDistance);
sl@0: 	static void SetDoubleClick(const TTimeIntervalMicroSeconds32 &aTime, TInt aDistance);
sl@0: 	static void UpdatePointerCursor();
sl@0: 	static void RequestPointerRepeatEvent(CWsWindow *aWindow, TTimeIntervalMicroSeconds32 aTime,const TRect &aRect);
sl@0: 	static void CancelPointerRepeatEventRequest();
sl@0: 	static void RepeatTimerCompleted();
sl@0: 	static TEventQueueWalkRet PointerRepeatPurgeCheck(const TWsEvent *aEvent);
sl@0: 	static void UnmatchedDownPurged(TPointerEvent::TType aPointerType, TUint aHandle);
sl@0: 	static void TimerExpired();
sl@0: 	static inline TBool XyInput();
sl@0: #if defined(__WINS__)
sl@0: 	static void SetXyInputType(TXYInputType aXyInputType);
sl@0: #endif
sl@0: private:
sl@0: 	static void PointerCursorUpdateCheck();
sl@0: 	static void ProcessForegroundCheck();
sl@0: 	static void RestrictPos(TPoint& aPos,TBool aWithinDrawableArea=ETrue);
sl@0: 	static void ProcessEvent(TWsEvent& aEvent);
sl@0: 	static TBool PointerEventRepeatCheck(const TWsEvent *aEvent, TUint32 aHandle);
sl@0: 	static void SendEnterExitEvent(TEventCode aType);
sl@0: 	static void SetCurrentWindow(const CWsWindow *aWin);
sl@0: 	static void ProcessPointerEvent(TWsEvent& aEvent);
sl@0: 	static TBool QueuePointerEvent(const CWsWindow *aWindow, TWsEvent &event);
sl@0: 	static TBool CheckDownEventPurged(TPointerEvent::TType aType);
sl@0: 	static void UpdatePointerCursorTo(CWsPointerCursor* aNewCursor);
sl@0: 	static CWsPointerCursor* CalculatePointerCursor();
sl@0: 	static inline TBool MovesAvailable();
sl@0: 	static inline TBool DeltaMouse();
sl@0: private:	
sl@0: 	static TPoint iCurrentPos;
sl@0: 	static TBool iPointerDown;	// Maps onto button1 down on multi button systems
sl@0: 	static TXYInputType iXyInputType;
sl@0: 	static const CWsWindow *iCurrentWindow;
sl@0: 	static const CWsWindow *iGrabWindow;
sl@0: 	static const CWsWindow *iActualWinPointerIsOver;
sl@0: 	static const CWsWindow *iPrevClickWindow;
sl@0: 	static TPoint iPrevClickPos;
sl@0: 	static TTime iPrevClickTime;
sl@0: 	static TPointerEvent::TType iPrevClickEventType;
sl@0: 	static TTimeIntervalMicroSeconds32 iDoubleClickMaxInterval;
sl@0: 	static TInt iDoubleClickMaxDistance;
sl@0: 	static CWsPointerCursor *iCursorSprite;
sl@0: 	static CWsPointerTimer *iRepeatTimer;
sl@0: 	static TPointerCursorMode iPointerCursorMode;
sl@0: 	static CWsWindow *iRepeatWindow;
sl@0: 	static TRect iRepeatRect;
sl@0: 	static TUint iLastUnmatchedDown1;
sl@0: 	static TUint iLastUnmatchedDown2;
sl@0: 	static TUint iLastUnmatchedDown3;
sl@0: 	static TBool iTimerQueued;
sl@0: 	static TBool iUpdateRequired;
sl@0: 	static CPeriodic *iPeriodicTimer;
sl@0: 	static CWsRootWindow* iRootWindow;	// uses
sl@0: 	};
sl@0: 
sl@0: class CWsPointerBuffer : public CBase
sl@0: 	{
sl@0: public:
sl@0: 	~CWsPointerBuffer();
sl@0: 	static void ConnectL(CWsClientWindow *aWindow, TInt aMaxPoints, TUint aFlags);
sl@0: 	static void Disconnect(CWsClientWindow *aWindow);
sl@0: 	static void PointerEvent(CWsClientWindow *aWindow,const TPoint &aPoint);
sl@0: 	static void RetrievePointerMoveBuffer(CWsClientWindow *aWindow,TInt aMaxPoints);
sl@0: 	static void DiscardPointerMoveBuffer(CWsClientWindow *aWindow);
sl@0: 	static void DiscardPointerMoveBuffer(TUint aHandle);
sl@0: private:
sl@0: 	static void AdjustMaxSizeL();
sl@0: 	static void Reset();
sl@0: 	static void SignalBufferReady();
sl@0: private:
sl@0: 	CWsClientWindow *iWindow;
sl@0: 	TInt iMaxPoints;
sl@0: 	TInt iFlags;
sl@0: 	TSglQueLink iQue;
sl@0: 	static TBool iSignalled;
sl@0: 	static CWsPointerBuffer *iCurrentBuffer;
sl@0: 	static CCirBuf<TPoint> *iPointerBuffer;
sl@0: 	static TSglQue<CWsPointerBuffer> iList;
sl@0: 	};
sl@0: 
sl@0: 
sl@0: inline void WsPointer::SetPointerCursorMode(TPointerCursorMode aMode)
sl@0: 	{
sl@0: 	iPointerCursorMode=aMode;
sl@0: 	}
sl@0: 	
sl@0: inline TPointerCursorMode WsPointer::PointerCursorMode()
sl@0: 	{
sl@0: 	return iPointerCursorMode;
sl@0: 	}
sl@0: 	
sl@0: inline TPoint WsPointer::PointerCursorPos()
sl@0: 	{
sl@0: 	return iCurrentPos;
sl@0: 	}
sl@0: 
sl@0: inline TBool WsPointer::XyInput()
sl@0: 	{
sl@0: 	return iXyInputType!=EXYInputNone;
sl@0: 	}
sl@0: 
sl@0: inline TBool WsPointer::MovesAvailable()
sl@0: 	{
sl@0: 	return (iXyInputType!=EXYInputNone && iXyInputType!=EXYInputPointer);
sl@0: 	}
sl@0: 
sl@0: inline TBool WsPointer::DeltaMouse()
sl@0: 	{
sl@0: 	return (iXyInputType==EXYInputDeltaMouse);
sl@0: 	}
sl@0: 
sl@0: #endif