voicerecorder/RecViewSrc/CVRLabel.h
author Pat Downey <patd@symbian.org>
Wed, 01 Sep 2010 12:29:14 +0100
branchRCL_3
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/*
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* Copyright (c) 2002 - 2006 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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*     This class is an extension to the standard Eikon label.
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*     It provides leave-safe SetText() and is able to
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*     clear its background before drawing.
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*
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*/
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#ifndef __CVRLABEL_H__
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#define __CVRLABEL_H__
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// INCLUDES
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#include <eiklabel.h>
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#include <AknUtils.h>
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// FORWARD DECLARATIONS
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class MAknsSkinInstance;
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// CLASS DEFINITION
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/**
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* This class is an extension to the standard Eikon label.
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* It provides leave-safe SetText() and is able to
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* clear its background before drawing.
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*/
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NONSHARABLE_CLASS( CVRLabel )
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	: public CEikLabel
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	{
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	public: // Constructors and destructor
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		/**
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		* Two-phased constructor
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		* @param aContainer Reference to the owning CCoeControl
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		*/
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		static CVRLabel* NewLC( const CCoeControl& aContainer );
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		/**
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		* Destructor.
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		*/
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		~CVRLabel();
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	private: // Constructors
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		/**
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		* Default constructor.
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		*/
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		inline CVRLabel() {};
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		/**
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		* 2nd phase constructor.
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		* @param aContainer Reference to the owning CCoeControl
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		*/
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		void ConstructL( const CCoeControl& aContainer );
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	private: // from CCoeControl
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		/**
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		* Draws this label.
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		* @param aRect The area that needs updating.
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		*/
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		void Draw( const TRect& aRect ) const;
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	public: // New methods
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		/**
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		* Sets the text in this label.
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		* Leave-safe. Panics if aText is too long.
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		* @param aText The new contents.
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		*/
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		void SetText( const TDesC& aText );
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		/**
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		* Sets the text in this label.
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		* Will draw the label if the given text
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		* is different from the current one.
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		* Leave-safe. Panics if aText is too long.
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		* @param aText The new contents.
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		*/
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		void SetTextAndDraw( const TDesC& aText );
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	private:
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		// Skin instance. Not owned.
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		MAknsSkinInstance* iSkin;
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		TAknLayoutText iTextLayout;
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	};
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#endif	// __CVRLABEL_H__