1 /*

     2 * Copyright (c) 2007 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:  virtual class for compose view

    15 *

    16 */

    17 

    18 

    19 

    20 #ifndef __NCS_CONTROL_H__

    21 #define __NCS_CONTROL_H__

    22 

    23 #include <e32base.h>

    24 #include <eiklabel.h>

    25 

    26 #include "ncsfieldsizeobserver.h"

    27 

    28 class CNcsEditor;

    29 class CCoeControl;

    30 

    31 

    32 // CLASS DECLARATION

    33 

    34 /**

    35 *  CNcsControl container control class.

    36 *

    37 *  @lib -

    38 *  @since S60 v3.0

    39 */

    40 class MNcsControl

    41     {

    42 

    43 public: // constructor

    44 

    45     MNcsControl( MNcsFieldSizeObserver* aObserver );

    46 

    47 public: // new functions

    48 

    49 	virtual TInt LineCount() const = 0;

    50 	virtual TInt ScrollableLines() const = 0;

    51 	virtual TInt GetNumChars() const = 0;

    52 	virtual TInt CursorLineNumber() const = 0;

    53 	virtual TInt CursorPosition() const = 0;

    54 	virtual void Reposition(TPoint& aPt, TInt aWidth) = 0;

    55     virtual const TDesC& GetLabelText() const = 0;

    56     // <cmail> Platform layout change    

    57     virtual TInt LayoutLineCount() const = 0;

    58     // </cmail> Platform layout change    

    59 

    60 protected:

    61     

    62     MNcsFieldSizeObserver* iSizeObserver;

    63 

    64     };

    65 

    66 class CNcsLabel : public CEikLabel, public MNcsControl

    67     {

    68 public:

    69 

    70     // <cmail> Plaform layout change

    71 	CNcsLabel( const CCoeControl& aParent, MNcsFieldSizeObserver* aSizeObserver );

    72 	// </cmail> Plaform layout change

    73 

    74 public:

    75 

    76 	inline virtual TInt LineCount() const;

    77 	inline virtual TInt ScrollableLines() const;

    78 	inline virtual TInt GetNumChars() const;

    79 	inline virtual TInt CursorLineNumber() const;

    80 	inline virtual TInt CursorPosition() const;

    81 	virtual void Reposition( TPoint& aPt, TInt aWidth );    

    82     inline virtual const TDesC& GetLabelText() const;

    83     // <cmail> Platform layout change       

    84     TInt LayoutLineCount() const;

    85     // </cmail> Platform layout change    

    86 

    87     virtual void FocusChanged( TDrawNow aDrawNow );

    88     

    89 protected: // methods from base class

    90 

    91     virtual void HandleResourceChange( TInt aType );    

    92 private: // methods used internally

    93 

    94 // <cmail> Plaform layout change

    95 private: // data

    96     

    97     void UpdateTextColor();

    98        

    99     const CCoeControl& iParent;

   100     

   101 // </cmail> Plaform layout change

   102     };

   103 

   104 #include "ncscontrol.inl"

   105 

   106 #endif // __NCS_CONTROL_H__

   107 

   108 

   109 // End of File