svgtopt/SVG/SVGImpl/inc/SVGTextAreaElementImpl.h
author hgs
Wed, 03 Nov 2010 18:56:10 +0200
changeset 46 88edb906c587
permissions -rw-r--r--
201044
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/*
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* Copyright (c) 2003 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:  SVG Implementation header file
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 *
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*/
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#ifndef _INC_CSVGTEXTAREAELEMENTIMPL_
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#define _INC_CSVGTEXTAREAELEMENTIMPL_
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#include "SVGElementImpl.h"
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#include "GfxFloatFixPt.h"
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#include "GfxRoundRectangle2D.h"
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#include "SVGListener.h"
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class   CSvgDocumentImpl;
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class CSvgRectElementImpl;
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class CSvgTextElementImpl;
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class CSvgLineElementImpl;
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/**
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 * Class description goes here.
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 *
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 *  @lib SVGEngine.lib
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 *  @since 1.0
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 */
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class CSvgTextAreaElementImpl : public CSvgElementImpl,
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							    public MSvgMouseListener
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    {
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    public:
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        // Constructor/deconstructor
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        static CSvgTextAreaElementImpl*NewL(  const TUint8 aElemID,
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                                      CSvgDocumentImpl* aDoc );
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        static CSvgTextAreaElementImpl*NewLC(  const TUint8 aElemID,
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                                       CSvgDocumentImpl* aDoc );
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        virtual     ~CSvgTextAreaElementImpl();
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        // From SVG DOM
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                 /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        MXmlElement*    CloneL(MXmlElement* aParentElement);
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        TFloatFixPt  X();
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        TFloatFixPt  Y();
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        TInt GetLength();
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        TFloatFixPt  Width();
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        TFloatFixPt  Height();
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        TFloatFixPt  Rx();
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        TFloatFixPt  Ry();
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        // SVG Implementation
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        TInt    GetAttributeFloat( const TInt aNameId, TFloatFixPt& aValue );
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        TInt    SetAttributeFloatL( const TInt aNameId, const TFloatFixPt aValue );
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        TInt    SetAttributeDesL( const TInt aNameId, const TDesC& aValue );
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        TInt    GetAttributeDes( const TInt aNameId, TPtrC16& aValue );
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        // From MXmlElement API
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        TInt   SetAttributeL( const TDesC& aName, const TDesC& aValue );
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		void SetEditable( const TDesC& aValue );
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        TBool   DrawL( CGfx2dGc* aGc, CSvgElementImpl* aElement );
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        TBool   DrawTextElements( CGfx2dGc* aGc, CSvgElementImpl* aElement );
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        void    GetBBox( TGfxRectangle2D& aBbox );
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        virtual void GetUnscaledBBox( TGfxRectangle2D& /*aBbox*/ );
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         /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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       void SetTextAreaDimensions(TFloatFixPt aX, TFloatFixPt aY, TFloatFixPt aWidth, TFloatFixPt aHeight);
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       void SetTextL( const TDesC& aText ); // This is temporary API until CDATA is implemented
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       void GetText( TDes& allText );
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	   TBool IsEditable( );
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	   void LocalizedArrangeTextL( CGfx2dGc* aGc );
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       void RemoveText( const TDesC& aString );
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       void InitializeL( );
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        /**
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         * Return wether an svg element is displayable, such as <rect>, <circle>, or
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         * an abstract element, such as <g>, <animate>.
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         *
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         * @since 1.0
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         * @param None
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         * @return ETrue if element is viewable.
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         */
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        TBool               IsViewable() { return ETrue; }
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        /**
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         * Notified when the mouse pointer enters a visible svg element.
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         *
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         * @since 1.0
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         * param : aElements -- SVG elements containing the mouse point.
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         * param : aX -- x coordinate of mouse pointer.
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         * param : aY -- y coordinate of mouse pointer.
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         * @return : For future use.  Value is ignored.
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         */
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        TBool MouseEntered( RPointerArray<CSvgElementImpl>& aElements,
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                                    TInt aX, TInt aY );
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        /**
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         * Notified when the mouse pointer exits a visible svg element.
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         *
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         * @since 1.0
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         * param : aElements -- SVG elements containing the mouse point.
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         * param : aX -- x coordinate of mouse pointer.
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         * param : aY -- y coordinate of mouse pointer.
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         * @return : For future use.  Value is ignored.
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         */
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        TBool MouseExited( RPointerArray<CSvgElementImpl>& aElements,
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                                   TInt aX, TInt aY );
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        /**
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         * Notified when the mouse pointer exits a visible svg element.
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         *
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         * @since 1.0
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         * param : aElements -- SVG elements containing the mouse point.
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         * param : aX -- x coordinate of mouse pointer.
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         * param : aY -- y coordinate of mouse pointer.
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         * @return : For future use.  Value is ignored.
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         */
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        TBool MouseMoved( RPointerArray<CSvgElementImpl>& aElements,
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                                   TInt aX, TInt aY );
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        /**
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         * Notified when the mouse pointer is pressed down on visible svg element.
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         *
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         * @since 1.0
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         * param : aElements -- SVG elements containing the mouse point.
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         * param : aX -- x coordinate of mouse pointer.
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         * param : aY -- y coordinate of mouse pointer.
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         * @return : For future use.  Value is ignored.
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         */
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        TBool MousePressed( RPointerArray<CSvgElementImpl>& aElements,
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                                    TInt aX, TInt aY );
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        /**
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         * Notified when the mouse pointer is released on on visible svg element.
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         *
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         * @since 1.0
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         * param : aElements -- SVG elements containing the mouse point.
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         * param : aX -- x coordinate of mouse pointer.
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         * param : aY -- y coordinate of mouse pointer.
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         * @return : For future use.  Value is ignored.
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         */
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        TBool MouseReleased( RPointerArray<CSvgElementImpl>& aElements,
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                                    TInt aX, TInt aY );
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        inline TInt FileOffset() const
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            {
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            return iOffset;
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            }
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        inline void SetFileOffset(TInt aOffset)
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            {
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            if( !FileOffset() )
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                iOffset = aOffset;
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            };
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        inline void SetOrgLength(TInt aOrgLength)
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            {
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            if(! GetOrgLength())
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            iOrgLength = aOrgLength;
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            };
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        inline TInt GetOrgLength()            
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            {
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            return iOrgLength;
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            }
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        void Print( TBool aIsEncodeOn );
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    private:
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                /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        void ConstructL(  const TUint8 aElemID  );
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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         CSvgTextAreaElementImpl( CSvgDocumentImpl* aDoc );
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    private:
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        CSvgRectElementImpl*        iInnerRectangle;
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        CSvgRectElementImpl*        iBorderRectangle;
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        HBufC*                      iAllText;
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        RPointerArray<CSvgTextElementImpl>* iTextElementsArray;
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		TBool 						iEditable;
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        TBool                       iInitialized;
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        TBool                       iNeedTextRearrange;
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        TInt                        iCursorPosition;
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        CSvgLineElementImpl*        iCursorElement;
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		TGfxRectangle2D             iLastBBox;
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        //TBool                     iScrollBar;
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        //TInt                      iScrollLocation;
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public:	
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		TInt                        iOffset;
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		TInt                        iOrgLength;	
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    protected:
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        /**
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         * Need method description
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         *
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         * @since 1.0
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         * @param
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         * @return
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         */
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        void CopyL( CSvgTextAreaElementImpl* aDestElement );
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    };
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#endif /* _INC_CSVGLINEELEMENT_3C61A6080051_INCLUDED */