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examples/Graphics/WS/transparent/transparent.h

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// Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of "Eclipse Public License v1.0"
// which accompanies this distribution, and is available
// at the URL "http://www.eclipse.org/legal/epl-v10.html".
//
// Initial Contributors:
// Nokia Corporation - initial contribution.
//
// Contributors:
//
// Description:
// Contains the CTransparentApplication, CTransparentDocument, CTransparentAppUi, CWait,
// CEventHandler and CTransparentDocument classes.
//



#ifndef __TRANSPARENT_H__
#define __TRANSPARENT_H__

#include <coeccntx.h>

#include <eikenv.h>
#include <eikappui.h>
#include <eikapp.h>
#include <eikdoc.h>
#include <eikmenup.h>
#include <eikstart.h>
#include <f32file.h>
#include <w32std.h>
#include <e32std.h>
#include <eikon.hrh>

#include <transparent.rsg>
#include "transparent.hrh"

_LIT(KEventButton1Pressed, "Event received for mouse button 1 being pressed");
_LIT(KEventButton2Pressed, "Event received for press of middle button of a 3 button mouse");
_LIT(KEventButton3Pressed, "Event received for last mouse button press");

const TInt KDelay=1000000;
class CEventHandler;
class CTransparentAppUi;

class CTransparentApplication : public CEikApplication
        {
private:
        CApaDocument* CreateDocumentL();
        TUid AppDllUid() const;
        };

class CTransparentUtil : public CCoeControl
        {
public:
        static CTransparentUtil* NewL();
        static TBool Flag();
        CTransparentUtil();
        ~CTransparentUtil();
        void ConstructL();

        void ClearWindow(RWsSession& aSession, RWindow& aWindow, CWindowGc* aGc, TRgb aColor);
        void DrawWindow(RWindow& aWindow, TRgb aColor1, TRgb aColor2, TRect aRect, const TDesC& aText);
        void DrawWindowRegion(RWindow& aWindow, TRgb aColor1, TRgb aColor2,TRect aChopRect, TRect aRect, const TDesC& aText, const TPoint& aPoint);
        
        void TransparencyVarianceL();
        void TransparentRegionL();

        TBool DoChangeTransparencyL();
        TBool DoSetTransparentRegion();

private:
        CPeriodic* iPeriodicObject;
        CEventHandler* iEventHandler;
        RWindowGroup iGroup;
        RWindow iBackgndWindow;
        RWindow iForegndWindowTrans;

        RWindow iFgndWinTransRegion;
        RWsSession iWs;
        CWsScreenDevice* iScr;
        CWindowGc* iGc;

        TSize iSize;
        TInt iAlphaValue;
        TInt iXOffset;
        TInt iYOffset;
        CFbsBitmapDevice* iBitmapDevice;
        CFbsBitGc* iBitmapGc;
        TInt iPos;
        TInt iColor;
        TBool iBoolVisible; 
public:
        TRegionFix<2> iRegion;
        };

class CTransparentAppUi : public CEikAppUi
        {
public:
        void ConstructL();
        ~CTransparentAppUi();

private:
        void HandleCommandL(TInt aCommand);

private:
        CTransparentUtil* iUtil;
        };

class CTransparentDocument : public CEikDocument
        {
public:
        static CTransparentDocument* NewL(CEikApplication& aApp);
        CTransparentDocument(CEikApplication& aApp);
        void ConstructL();
private:
        CEikAppUi* CreateAppUiL();
        };

class CEventHandler: public CActive
        {
    public:
        static CEventHandler* NewL(RWsSession& aWs);
        virtual ~CEventHandler();
        void HandlePointerEvent(TPointerEvent& aPointerEvent);
        void InfoMessage(const TDesC& aMsg);
        void IssueRequest();
    private:
        CEventHandler(RWsSession& aWs);
        void ConstructL();
        void RunL();
        void DoCancel();

    private:
        TWsEvent iWsEvent;
        RWsSession& iWs;
        };
#endif // __TRANSPARENT_H__

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Copyright ©2010 Nokia Corporation and/or its subsidiary(-ies).
All rights reserved. Unless otherwise stated, these materials are provided under the terms of the Eclipse Public License v1.0.