1 /*

     2 * Copyright (c) 2010 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:  Easy dialing test application.

    15 *

    16 */

    17 

    18 #ifndef __EDTA_SCREENTEXTBUFFER_H__

    19 #define __EDTA_SCREENTEXTBUFFER_H__

    20 

    21 // INCLUDES

    22 #include <coecntrl.h>

    23 #include <eiklabel.h>

    24 #include <coecntrl.h>

    25 #include <gdi.h>

    26 #include <eiksbobs.h>

    27 

    28 // FORWARD DECLARATIONS

    29 class CEikScrollBarFrame;

    30 class CFont;

    31 class TBidiText;

    32 class CAknsBasicBackgroundControlContext;

    33 

    34 // CONSTANTS

    35 const TInt KEdtaMaxLineWidth = 200;

    36 

    37 

    38 // CLASS DECLARATION

    39 class CEdtaScreenTextBuffer : public CCoeControl, public MEikScrollBarObserver

    40     {

    41     

    42 public:

    43     static CEdtaScreenTextBuffer* NewL( const TRect& aRect );

    44     static CEdtaScreenTextBuffer* NewLC( const TRect& aRect );

    45     

    46 public:

    47     CEdtaScreenTextBuffer();

    48     ~CEdtaScreenTextBuffer();

    49 

    50     void ConstructL( const TRect& aRect );

    51     void HandleResourceChange(TInt aType);

    52     void WriteLineL( TRefByValue<const TDesC> aText,... ); // text wrapping, was: const TDesC& aText

    53     void DeleteLastLine(TInt aCount = 1);

    54     TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aModifiers );

    55     

    56 protected:

    57     

    58     virtual void FocusChanged(TDrawNow aDrawNow);

    59     

    60 private:

    61     

    62     void SizeChanged();

    63 

    64     void Draw( const TRect& aRect ) const;

    65     void ActivateL();

    66     void HandleScrollEventL ( CEikScrollBar* aScrollBar, TEikScrollEvent aEventType);

    67     TTypeUid::Ptr MopSupplyObject(TTypeUid aId);

    68     

    69 private:

    70     void CalculateL(const TRect& aRect);

    71     void UpdateScrollIndicatorL();

    72 

    73     

    74     

    75 private: // Data

    76 

    77     CArrayPtr<HBufC>* iText;

    78     CArrayFixFlat<TInt>* iScreenStarts;

    79     TInt iCurrentScreen;

    80     TBool iDoNotShowLastLineAgain;

    81     CGraphicsContext::TTextAlign iTextAlign;

    82     CEikScrollBarFrame* iSBFrame;

    83     const CFont* iFont; // not owned

    84     

    85     TInt iLineWidth;

    86     TInt iBaseLineDelta;

    87     TInt iTopBaseLineX;

    88     TInt iTopBaseLineY;

    89     TInt iLinesPerScreen;

    90     

    91     };

    92 

    93 

    94 #endif // __EDTA_SCREENTEXTBUFFER_H__

    95 

    96 // End of File