emailuis/emailui/src/ncseditorcustomdraw.cpp
branchRCL_3
changeset 25 3533d4323edc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/emailuis/emailui/src/ncseditorcustomdraw.cpp	Wed Sep 01 12:28:57 2010 +0100
@@ -0,0 +1,189 @@
+/*
+* Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Custom draw component for message editor.
+*
+*/
+#include <aknlayoutscalable_apps.cdl.h>
+#include <AknLayoutFont.h>
+#include "emailtrace.h"
+#include "ncseditorcustomdraw.h"
+#include "ncseditor.h"
+#include "ncsconstants.h"
+
+const TInt KFSColorDarkeningDegree = 3;
+
+// ========================= MEMBER FUNCTIONS ==================================
+
+CNcsEditorCustomDraw* CNcsEditorCustomDraw::NewL( const MFormCustomDraw* aParentCustomDraw,
+                                                  const CNcsEditor* aParentControl,
+                                                  const TAknTextComponentLayout aLayout )
+    {
+    CNcsEditorCustomDraw* self = new (ELeave) CNcsEditorCustomDraw( aParentCustomDraw,
+                                                                    aParentControl,
+                                                                    aLayout );
+    
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop( self );
+    
+    return self;
+    }
+
+// ---------------------------------------------------------------------------
+// CNcsEditorCustomDraw::CNcsEditorCustomDraw
+// ---------------------------------------------------------------------------
+//
+CNcsEditorCustomDraw::CNcsEditorCustomDraw( const MFormCustomDraw* aParentCustomDraw,
+                                            const CNcsEditor* aParentControl,
+                                            const TAknTextComponentLayout aLayout ) :
+                                            iCustomDrawer( aParentCustomDraw ),
+                                            iEditor( aParentControl )
+    {
+    FUNC_LOG;
+    UpdateLayout( aLayout );
+    }
+
+// ---------------------------------------------------------
+// CMsgEditorCustomDraw::ConstructL
+// ---------------------------------------------------------
+//
+void CNcsEditorCustomDraw::ConstructL()
+    {
+    FUNC_LOG;
+    }
+
+// ---------------------------------------------------------------------------
+// CNcsEditorCustomDraw::~CNcsEditorCustomDraw
+// ---------------------------------------------------------------------------
+//
+CNcsEditorCustomDraw::~CNcsEditorCustomDraw()
+    {
+    FUNC_LOG;
+    }
+
+// ---------------------------------------------------------------------------
+// CNcsEditorCustomDraw::DrawBackground
+// ---------------------------------------------------------------------------
+//
+void CNcsEditorCustomDraw::DrawBackground(
+    const TParam& aParam,
+    const TRgb& aBackground,
+    TRect& aDrawn ) const
+    {
+    FUNC_LOG;
+    TRect drawRect( aParam.iDrawRect );
+    
+    if ( iPrevBrX == 0 )
+        {
+        const_cast<CNcsEditorCustomDraw*>(this)->iPrevBrX = drawRect.iBr.iX;
+        }
+    
+    // draw background if text selection is ongoing
+    if ( !iEditor->IsPhysicsEmulationOngoing() )
+    	{
+		iCustomDrawer->DrawBackground( aParam, aBackground, aDrawn );
+    	}
+    else
+    	{
+        aDrawn = aParam.iDrawRect;
+    	}
+
+    if ( drawRect.iTl.iY == 0 )
+        {
+        drawRect.iTl.iY = drawRect.Height() - iLineHeigth;
+        }
+
+    if ( drawRect.iTl.iX < iPrevBrX )
+        {
+        aParam.iGc.SetPenColor( iLineColor );
+    
+        TInt margin( 0 );
+        if ( drawRect.Height() < iLineHeigth ||
+             drawRect.Height() == iLineOffset )
+            {
+            margin = 1;
+            }
+    
+        TRect currentRect( drawRect.iTl , TPoint( drawRect.iBr.iX, drawRect.iTl.iY + iLineOffset - margin ));
+        
+        while ( currentRect.iBr.iY <= drawRect.iBr.iY )
+            {
+            if ( currentRect.iTl.iY >= drawRect.iTl.iY  )
+                {
+                aParam.iGc.DrawLine( TPoint( currentRect.iTl.iX, currentRect.iBr.iY), currentRect.iBr );
+                }
+            currentRect.Move( 0, iLineHeigth );
+            }
+        const_cast<CNcsEditorCustomDraw*>(this)->iPrevBrX = drawRect.iBr.iX;
+        }
+    }
+
+// ---------------------------------------------------------------------------
+// CNcsEditorCustomDraw::DrawLineGraphics
+// ---------------------------------------------------------------------------
+//
+void CNcsEditorCustomDraw::DrawLineGraphics( const TParam& aParam,
+                                             const TLineInfo& aLineInfo ) const
+    {
+    FUNC_LOG;
+    iCustomDrawer->DrawLineGraphics( aParam, aLineInfo );
+    }
+	
+// ---------------------------------------------------------------------------
+// CNcsEditorCustomDraw::DrawText
+// ---------------------------------------------------------------------------
+//
+void CNcsEditorCustomDraw::DrawText( const TParam& aParam,
+                               const TLineInfo& aLineInfo,
+                               const TCharFormat& aFormat,
+                               const TDesC& aText,
+                               const TPoint& aTextOrigin,
+                               TInt aExtraPixels ) const
+    {
+    FUNC_LOG;
+    iCustomDrawer->DrawText( aParam,
+                             aLineInfo,
+                             aFormat,
+                             aText,
+                             aTextOrigin,
+                             aExtraPixels );
+    }
+
+// ---------------------------------------------------------------------------
+// CNcsEditorCustomDraw::SystemColor
+// ---------------------------------------------------------------------------
+//
+TRgb CNcsEditorCustomDraw::SystemColor( TUint aColorIndex, TRgb aDefaultColor ) const
+    {
+    FUNC_LOG;
+    return iCustomDrawer->SystemColor( aColorIndex, aDefaultColor );
+    }
+
+
+// ---------------------------------------------------------------------------
+// CNcsEditorCustomDraw::UpdateLayout
+// ---------------------------------------------------------------------------
+//
+void CNcsEditorCustomDraw::UpdateLayout( TAknTextComponentLayout aLayout )
+    {
+    iTextPaneLayout = aLayout;
+    TRAP_IGNORE( iLineHeigth = iEditor->GetLineHeightL() );
+    iLineColor = NcsUtility::CalculateMsgBodyLineColor( KFSColorDarkeningDegree, 
+                                                            NcsUtility::SeparatorLineColor() );
+    TAknTextDecorationMetrics decorationMetrics( iTextPaneLayout.LayoutLine().FontId() );
+    TInt topMargin, bottomMargin;
+    decorationMetrics.GetTopAndBottomMargins( topMargin, bottomMargin );
+
+    iLineOffset = iTextPaneLayout.H() + topMargin + bottomMargin;
+    }