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:  Custom draw component for message editor

    15 *

    16 */

    17 

    18 

    19 #ifndef CNCSCUSTOMDRAW_H

    20 #define CNCSCUSTOMDRAW_H

    21 

    22 #include <lafmain.h>

    23 

    24 class CNcsEditor;

    25 

    26 /**

    27 * Class which handles setting editor background color, selected text color,

    28 * and selected text background color.

    29 *

    30 * Text color setting is done by editor itself.

    31 */

    32 class CNcsCustomDraw : public CLafEdwinCustomDrawBase

    33     {

    34 public: // constructor and destructor

    35 

    36     CNcsCustomDraw( 

    37         const MLafEnv& aEnv,

    38         const CCoeControl& aControl,

    39         CLafEdwinCustomDrawBase* aCustomDrawer,

    40         CNcsEditor* aEditor,

    41         TBool aHeaderField );

    42     

    43     virtual ~CNcsCustomDraw();

    44 

    45 public: // new methods

    46 

    47     void UpdateColors();

    48 

    49 public: // from CLafEdwinCustomDrawBase

    50 

    51 	virtual void DrawBackground(

    52         const TParam& aParam,

    53         const TRgb& aBackground,

    54         TRect& aDrawn) const;

    55 	

    56     virtual void DrawLineGraphics(

    57         const TParam& aParam,

    58         const TLineInfo& aLineInfo ) const;

    59 	

    60     virtual void DrawText(

    61         const TParam& aParam,

    62         const TLineInfo& aLineInfo,

    63         const TCharFormat& aFormat,

    64         const TDesC& aText,

    65         const TPoint& aTextOrigin,

    66         TInt aExtraPixels) const;

    67 

    68     virtual TRgb SystemColor(

    69         TUint aColorIndex,

    70         TRgb aDefaultColor) const;

    71 

    72 private: // methods used internally

    73 

    74     enum TColors

    75         {

    76         EColorBackground = 0x1,

    77         EColorSelectionText = 0x2,

    78         EColorSelectionBackground = 0x4

    79         };

    80 

    81     void SetHasColor( TColors aColor );

    82 

    83     TBool HasColor( TColors aColor ) const;

    84 

    85 private:

    86 

    87     TInt iColors;

    88 

    89     CLafEdwinCustomDrawBase* iCustomDrawer;

    90     CNcsEditor* iEditor;

    91     TBool iHeaderField;

    92 

    93     TRgb iBackgroundColor;

    94     TRgb iSelectionTextColor;

    95     TRgb iSelectionBackgroundColor;

    96 

    97     };

    98 

    99 #endif