emailuis/emailui/src/ncseditorcustomdraw.cpp
branchRCL_3
changeset 64 3533d4323edc
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63:d189ee25cf9d 64:3533d4323edc
       
     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:  Custom draw component for message editor.
       
    15 *
       
    16 */
       
    17 #include <aknlayoutscalable_apps.cdl.h>
       
    18 #include <AknLayoutFont.h>
       
    19 #include "emailtrace.h"
       
    20 #include "ncseditorcustomdraw.h"
       
    21 #include "ncseditor.h"
       
    22 #include "ncsconstants.h"
       
    23 
       
    24 const TInt KFSColorDarkeningDegree = 3;
       
    25 
       
    26 // ========================= MEMBER FUNCTIONS ==================================
       
    27 
       
    28 CNcsEditorCustomDraw* CNcsEditorCustomDraw::NewL( const MFormCustomDraw* aParentCustomDraw,
       
    29                                                   const CNcsEditor* aParentControl,
       
    30                                                   const TAknTextComponentLayout aLayout )
       
    31     {
       
    32     CNcsEditorCustomDraw* self = new (ELeave) CNcsEditorCustomDraw( aParentCustomDraw,
       
    33                                                                     aParentControl,
       
    34                                                                     aLayout );
       
    35     
       
    36     CleanupStack::PushL( self );
       
    37     self->ConstructL();
       
    38     CleanupStack::Pop( self );
       
    39     
       
    40     return self;
       
    41     }
       
    42 
       
    43 // ---------------------------------------------------------------------------
       
    44 // CNcsEditorCustomDraw::CNcsEditorCustomDraw
       
    45 // ---------------------------------------------------------------------------
       
    46 //
       
    47 CNcsEditorCustomDraw::CNcsEditorCustomDraw( const MFormCustomDraw* aParentCustomDraw,
       
    48                                             const CNcsEditor* aParentControl,
       
    49                                             const TAknTextComponentLayout aLayout ) :
       
    50                                             iCustomDrawer( aParentCustomDraw ),
       
    51                                             iEditor( aParentControl )
       
    52     {
       
    53     FUNC_LOG;
       
    54     UpdateLayout( aLayout );
       
    55     }
       
    56 
       
    57 // ---------------------------------------------------------
       
    58 // CMsgEditorCustomDraw::ConstructL
       
    59 // ---------------------------------------------------------
       
    60 //
       
    61 void CNcsEditorCustomDraw::ConstructL()
       
    62     {
       
    63     FUNC_LOG;
       
    64     }
       
    65 
       
    66 // ---------------------------------------------------------------------------
       
    67 // CNcsEditorCustomDraw::~CNcsEditorCustomDraw
       
    68 // ---------------------------------------------------------------------------
       
    69 //
       
    70 CNcsEditorCustomDraw::~CNcsEditorCustomDraw()
       
    71     {
       
    72     FUNC_LOG;
       
    73     }
       
    74 
       
    75 // ---------------------------------------------------------------------------
       
    76 // CNcsEditorCustomDraw::DrawBackground
       
    77 // ---------------------------------------------------------------------------
       
    78 //
       
    79 void CNcsEditorCustomDraw::DrawBackground(
       
    80     const TParam& aParam,
       
    81     const TRgb& aBackground,
       
    82     TRect& aDrawn ) const
       
    83     {
       
    84     FUNC_LOG;
       
    85     TRect drawRect( aParam.iDrawRect );
       
    86     
       
    87     if ( iPrevBrX == 0 )
       
    88         {
       
    89         const_cast<CNcsEditorCustomDraw*>(this)->iPrevBrX = drawRect.iBr.iX;
       
    90         }
       
    91     
       
    92     // draw background if text selection is ongoing
       
    93     if ( !iEditor->IsPhysicsEmulationOngoing() )
       
    94     	{
       
    95 		iCustomDrawer->DrawBackground( aParam, aBackground, aDrawn );
       
    96     	}
       
    97     else
       
    98     	{
       
    99         aDrawn = aParam.iDrawRect;
       
   100     	}
       
   101 
       
   102     if ( drawRect.iTl.iY == 0 )
       
   103         {
       
   104         drawRect.iTl.iY = drawRect.Height() - iLineHeigth;
       
   105         }
       
   106 
       
   107     if ( drawRect.iTl.iX < iPrevBrX )
       
   108         {
       
   109         aParam.iGc.SetPenColor( iLineColor );
       
   110     
       
   111         TInt margin( 0 );
       
   112         if ( drawRect.Height() < iLineHeigth ||
       
   113              drawRect.Height() == iLineOffset )
       
   114             {
       
   115             margin = 1;
       
   116             }
       
   117     
       
   118         TRect currentRect( drawRect.iTl , TPoint( drawRect.iBr.iX, drawRect.iTl.iY + iLineOffset - margin ));
       
   119         
       
   120         while ( currentRect.iBr.iY <= drawRect.iBr.iY )
       
   121             {
       
   122             if ( currentRect.iTl.iY >= drawRect.iTl.iY  )
       
   123                 {
       
   124                 aParam.iGc.DrawLine( TPoint( currentRect.iTl.iX, currentRect.iBr.iY), currentRect.iBr );
       
   125                 }
       
   126             currentRect.Move( 0, iLineHeigth );
       
   127             }
       
   128         const_cast<CNcsEditorCustomDraw*>(this)->iPrevBrX = drawRect.iBr.iX;
       
   129         }
       
   130     }
       
   131 
       
   132 // ---------------------------------------------------------------------------
       
   133 // CNcsEditorCustomDraw::DrawLineGraphics
       
   134 // ---------------------------------------------------------------------------
       
   135 //
       
   136 void CNcsEditorCustomDraw::DrawLineGraphics( const TParam& aParam,
       
   137                                              const TLineInfo& aLineInfo ) const
       
   138     {
       
   139     FUNC_LOG;
       
   140     iCustomDrawer->DrawLineGraphics( aParam, aLineInfo );
       
   141     }
       
   142 	
       
   143 // ---------------------------------------------------------------------------
       
   144 // CNcsEditorCustomDraw::DrawText
       
   145 // ---------------------------------------------------------------------------
       
   146 //
       
   147 void CNcsEditorCustomDraw::DrawText( const TParam& aParam,
       
   148                                const TLineInfo& aLineInfo,
       
   149                                const TCharFormat& aFormat,
       
   150                                const TDesC& aText,
       
   151                                const TPoint& aTextOrigin,
       
   152                                TInt aExtraPixels ) const
       
   153     {
       
   154     FUNC_LOG;
       
   155     iCustomDrawer->DrawText( aParam,
       
   156                              aLineInfo,
       
   157                              aFormat,
       
   158                              aText,
       
   159                              aTextOrigin,
       
   160                              aExtraPixels );
       
   161     }
       
   162 
       
   163 // ---------------------------------------------------------------------------
       
   164 // CNcsEditorCustomDraw::SystemColor
       
   165 // ---------------------------------------------------------------------------
       
   166 //
       
   167 TRgb CNcsEditorCustomDraw::SystemColor( TUint aColorIndex, TRgb aDefaultColor ) const
       
   168     {
       
   169     FUNC_LOG;
       
   170     return iCustomDrawer->SystemColor( aColorIndex, aDefaultColor );
       
   171     }
       
   172 
       
   173 
       
   174 // ---------------------------------------------------------------------------
       
   175 // CNcsEditorCustomDraw::UpdateLayout
       
   176 // ---------------------------------------------------------------------------
       
   177 //
       
   178 void CNcsEditorCustomDraw::UpdateLayout( TAknTextComponentLayout aLayout )
       
   179     {
       
   180     iTextPaneLayout = aLayout;
       
   181     TRAP_IGNORE( iLineHeigth = iEditor->GetLineHeightL() );
       
   182     iLineColor = NcsUtility::CalculateMsgBodyLineColor( KFSColorDarkeningDegree, 
       
   183                                                             NcsUtility::SeparatorLineColor() );
       
   184     TAknTextDecorationMetrics decorationMetrics( iTextPaneLayout.LayoutLine().FontId() );
       
   185     TInt topMargin, bottomMargin;
       
   186     decorationMetrics.GetTopAndBottomMargins( topMargin, bottomMargin );
       
   187 
       
   188     iLineOffset = iTextPaneLayout.H() + topMargin + bottomMargin;
       
   189     }