os/graphics/graphicscomposition/surfaceupdate/tsrc/twindows.h
author sl@SLION-WIN7.fritz.box
Fri, 15 Jun 2012 03:10:57 +0200
changeset 0 bde4ae8d615e
permissions -rw-r--r--
First public contribution.
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// Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
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// All rights reserved.
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// This component and the accompanying materials are made available
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// under the terms of "Eclipse Public License v1.0"
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// which accompanies this distribution, and is available
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// at the URL "http://www.eclipse.org/legal/epl-v10.html".
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//
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// Initial Contributors:
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// Nokia Corporation - initial contribution.
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//
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// Contributors:
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//
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// Description:
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//
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/**
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 @file
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 @test
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 @internalComponent - Internal Symbian test code 
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*/
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#ifndef __TWINDOWS_H__
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#define __TWINDOWS_H__
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#include <e32base.h>
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class TWsEvent;
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class TWsRedrawEvent;
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class RWindowTreeNode;
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class RWindow;
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class RWindowGroup;
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class RBlankWindow;
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class RBackedUpWindow;
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class RWsSession;
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class CWindowGc;
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class CWsScreenDevice;
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/**
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 * The class handles redrawing of the window tree node standard class 
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 */
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class CTWindowTreeNode : public CBase
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	{
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public:
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	virtual void Event(TWsEvent & aEvent) = 0;
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	virtual void Redraw(TWsRedrawEvent & aEvent) = 0;
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	virtual RWindowTreeNode* WindowTreeNode() 	{ return iWin; }
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protected:
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	RWindowTreeNode* iWin;
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	};
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/**
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 * The class handles redrawing of the window window group
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 */
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class CTWindowGroup : public CTWindowTreeNode
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	{
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public:
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	static CTWindowGroup* NewL(RWsSession& aWs, CWsScreenDevice* aScreenDevice);
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	~CTWindowGroup();
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	void Event(TWsEvent & aEvent);
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	void Redraw(TWsRedrawEvent & aEvent);
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	RWindowGroup* WindowGroup() { return reinterpret_cast<RWindowGroup*>(iWin); }
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private:
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	CTWindowGroup();
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	void ConstructL(RWsSession & aWs, CWsScreenDevice* aScreenDevice);
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	};
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/**
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 * Base class for windows.
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 */
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class CTWindow : public CTWindowTreeNode
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	{
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public:
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	static CTWindow* NewL(RWsSession& aWs, CTWindowTreeNode& aGroup, CWindowGc& aGc);
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	~CTWindow();
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	void Event(TWsEvent & aEvent);
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	void Redraw(TWsRedrawEvent & aEvent);
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	RWindow* Window() { return reinterpret_cast<RWindow*>(iWin); }
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	virtual void Draw();
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private:
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	CWindowGc& iGc;
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private:
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	CTWindow(CWindowGc& aGc);
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	void ConstructL(RWsSession& aWs, CTWindowTreeNode& aGroup);
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	};
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#endif //__TWINDOWS_H__