emailuis/emailui/src/ncseditorcustomdraw.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 07 Jan 2010 12:38:38 +0200
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permissions -rw-r--r--
Revision: 200951 Kit: 201001
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/*
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* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  Custom draw component for message editor.
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*
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*/
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#include <aknlayoutscalable_apps.cdl.h>
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#include <AknLayoutFont.h>
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#include "emailtrace.h"
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#include "ncseditorcustomdraw.h"
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#include "ncseditor.h"
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#include "ncsconstants.h"
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const TInt KFSColorDarkeningDegree = 3;
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// ========================= MEMBER FUNCTIONS ==================================
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CNcsEditorCustomDraw* CNcsEditorCustomDraw::NewL( const MFormCustomDraw* aParentCustomDraw,
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                                                  const CNcsEditor* aParentControl,
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                                                  const TAknTextComponentLayout aLayout )
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    {
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    CNcsEditorCustomDraw* self = new (ELeave) CNcsEditorCustomDraw( aParentCustomDraw,
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                                                                    aParentControl,
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                                                                    aLayout );
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    CleanupStack::PushL( self );
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    self->ConstructL();
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    CleanupStack::Pop( self );
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    return self;
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    }
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// ---------------------------------------------------------------------------
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// CNcsEditorCustomDraw::CNcsEditorCustomDraw
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// ---------------------------------------------------------------------------
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//
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CNcsEditorCustomDraw::CNcsEditorCustomDraw( const MFormCustomDraw* aParentCustomDraw,
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                                            const CNcsEditor* aParentControl,
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                                            const TAknTextComponentLayout aLayout ) :
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                                            iCustomDrawer( aParentCustomDraw ),
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                                            iEditor( aParentControl )
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    {
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    FUNC_LOG;
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    UpdateLayout( aLayout );
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    }
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// ---------------------------------------------------------
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// CMsgEditorCustomDraw::ConstructL
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// ---------------------------------------------------------
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//
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void CNcsEditorCustomDraw::ConstructL()
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    {
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    FUNC_LOG;
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    }
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// ---------------------------------------------------------------------------
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// CNcsEditorCustomDraw::~CNcsEditorCustomDraw
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// ---------------------------------------------------------------------------
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//
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CNcsEditorCustomDraw::~CNcsEditorCustomDraw()
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    {
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    FUNC_LOG;
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    }
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// ---------------------------------------------------------------------------
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// CNcsEditorCustomDraw::DrawBackground
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// ---------------------------------------------------------------------------
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//
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void CNcsEditorCustomDraw::DrawBackground(
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    const TParam& aParam,
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    const TRgb& aBackground,
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    TRect& aDrawn ) const
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    {
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    FUNC_LOG;
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    iCustomDrawer->DrawBackground( aParam, aBackground, aDrawn );
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    TInt lineHeigth( 0 );
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    TRAP_IGNORE( lineHeigth = iEditor->GetLineHeightL() );
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    TAknTextDecorationMetrics decorationMetrics( iTextPaneLayout.LayoutLine().FontId() );
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    TInt topMargin, bottomMargin;
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    decorationMetrics.GetTopAndBottomMargins( topMargin, bottomMargin );
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    TInt lineOffset = iTextPaneLayout.H() + topMargin + bottomMargin;
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    TRgb lineColor = NcsUtility::CalculateMsgBodyLineColor( KFSColorDarkeningDegree, 
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                                                            NcsUtility::SeparatorLineColor() );
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    aParam.iGc.SetPenColor( lineColor );
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    TInt margin( 0 );
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    if ( aParam.iDrawRect.Height() < lineHeigth ||
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         aParam.iDrawRect.Height() == lineOffset )
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        {
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        margin = 1;
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        }
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    TRect currentRect( aParam.iDrawRect.iTl , TPoint( aParam.iDrawRect.iBr.iX, aParam.iDrawRect.iTl.iY + lineOffset - margin ));
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    while ( currentRect.iBr.iY <= aParam.iDrawRect.iBr.iY )
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        {
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        if ( currentRect.iTl.iY >= aParam.iDrawRect.iTl.iY  )
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            {
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            aParam.iGc.DrawLine( TPoint( currentRect.iTl.iX, currentRect.iBr.iY), currentRect.iBr );
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            }
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        currentRect.Move( 0, lineHeigth );
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        }
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    }
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// ---------------------------------------------------------------------------
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// CNcsEditorCustomDraw::DrawLineGraphics
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// ---------------------------------------------------------------------------
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//
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void CNcsEditorCustomDraw::DrawLineGraphics( const TParam& aParam,
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                                             const TLineInfo& aLineInfo ) const
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    {
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    FUNC_LOG;
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    iCustomDrawer->DrawLineGraphics( aParam, aLineInfo );
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    }
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// ---------------------------------------------------------------------------
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// CNcsEditorCustomDraw::DrawText
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// ---------------------------------------------------------------------------
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//
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void CNcsEditorCustomDraw::DrawText( const TParam& aParam,
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                               const TLineInfo& aLineInfo,
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                               const TCharFormat& aFormat,
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                               const TDesC& aText,
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                               const TPoint& aTextOrigin,
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                               TInt aExtraPixels ) const
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    {
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    FUNC_LOG;
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    iCustomDrawer->DrawText( aParam,
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                             aLineInfo,
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                             aFormat,
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                             aText,
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                             aTextOrigin,
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                             aExtraPixels );
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    }
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// ---------------------------------------------------------------------------
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// CNcsEditorCustomDraw::SystemColor
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// ---------------------------------------------------------------------------
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//
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TRgb CNcsEditorCustomDraw::SystemColor( TUint aColorIndex, TRgb aDefaultColor ) const
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    {
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    FUNC_LOG;
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    return iCustomDrawer->SystemColor( aColorIndex, aDefaultColor );
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    }
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// ---------------------------------------------------------------------------
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// CNcsEditorCustomDraw::UpdateLayout
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// ---------------------------------------------------------------------------
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//
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void CNcsEditorCustomDraw::UpdateLayout( TAknTextComponentLayout aLayout )
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    {
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    iTextPaneLayout = aLayout;
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    }