1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 * This component and the accompanying materials are made available

     5 * under the terms of "Eclipse Public License v1.0"

     6 * which accompanies this distribution, and is available

     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8 *

     9 * Initial Contributors:

    10 * Nokia Corporation - initial contribution.

    11 *

    12 * Contributors:

    13 *

    14 * Description:

    15 *

    16 */

    17 #ifndef FORMCURSORMODIFIER_H

    18 #define FORMCURSORMODIFIER_H

    19 

    20 #include <e32base.h>

    21 #include <formcursormodifierint.h>

    22 

    23 // forward declarations

    24 class CTextView;

    25 class CTextLayout;

    26 

    27 NONSHARABLE_CLASS(CFormCursorModifier) : public CBase, public MFormCursorModifier

    28 	{

    29 private:

    30 	enum TDirectionality

    31 		{

    32 		ELeftToRight,

    33 		ERightToLeft

    34 		};

    35 public:

    36 	/** 

    37 	* 2 phase constructor

    38 	*/

    39 	static CFormCursorModifier* NewL(CTextView* aTextView, CTextLayout* aTextLayout);

    40 	/** 

    41 	* Destructor

    42 	*/

    43 	virtual ~CFormCursorModifier();

    44 	/** 

    45 	* Forwards externally generated events to the appropriate cursor

    46 	* manager handler method

    47 	*/

    48 	void HandleFormCursorModifierEventL(TFormCursorModifierEvent aEvent, TInt aData1, TAny* aData2);

    49 	/** 

    50 	* Allows setting of text view

    51 	*/

    52 	void SetTextView(CTextView* aTextView);

    53 	/** 

    54 	* Allows setting of text layout

    55 	*/

    56 	void SetTextLayout(CTextLayout* aTextLayout);

    57 

    58 private:

    59 	CFormCursorModifier(CTextView* aTextView, CTextLayout* aTextLayout);

    60 	void ConstructL();

    61 

    62 	void NormaliseCursorPositionFollowingDeleteL();

    63 	void NormaliseCursorPositionFollowingNavigationL();

    64 	void InitialiseCursorPositionL(CEikEdwin* aEdwin);

    65 	void SetDirectionality(TDirectionality aDirectionality);

    66 private:

    67 	// not owned

    68 	CTextView* iTextView;

    69 	CTextLayout* iTextLayout;

    70 

    71 	TDirectionality iDirectionality;

    72 	};

    73 

    74 

    75 #endif