notepad/notepad1/LibSrc/NpdEdwinLines.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 02 Feb 2010 10:12:19 +0200
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permissions -rw-r--r--
Revision: 201003 Kit: 201005
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/*
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* Copyright (c) 2002 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:  Implementation of paper lines of Notepad/Template Editor.
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*
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*/
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// INCLUDE FILES
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#include <AknUtils.h>
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#include <barsread.h>
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#include <applayout.cdl.h>
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#include <eikrted.h>    // for CRichTextEditor
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#include <aknlayoutscalable_apps.cdl.h>
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#include <aknappui.h>
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#include <eikdialg.h>
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#include <AknsFrameBackgroundControlContext.h>
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#include <skinlayout.cdl.h>
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#include "NpdEdwinLines.h"
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#include "NpdEdwin.h"
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#include "NpdLibPanic.h"
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// CNotepadEdwinLines::CNotepadEdwinLines
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// public Constructor
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// -----------------------------------------------------------------------------
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//
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CNotepadEdwinLines::CNotepadEdwinLines(CEikDialog* aParent)
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    : CCoeControl(),iParent(aParent),iBgContext(NULL)
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    	{
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    	}
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// -----------------------------------------------------------------------------
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// CNotepadEdwinLines::~CNotepadEdwinLines
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// Destructor
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// -----------------------------------------------------------------------------
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//
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CNotepadEdwinLines::~CNotepadEdwinLines()
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	{
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    	iRects.Close();
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    	if(iBgContext != NULL)
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    		{
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    		delete iBgContext;
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    		iBgContext = NULL;	
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		}
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	}
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// -----------------------------------------------------------------------------
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// CNotepadEdwinLines::AddRectsAndLayout
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// from CNotepadEdwinLines (called from SizeChanged)
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// -----------------------------------------------------------------------------
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//
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void CNotepadEdwinLines::AddRectsAndLayout(RRegion& aRegion)
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	{
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	TAknLayoutRect mainNotesPane;
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	TAknLayoutRect lineLayout;
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	TAknLayoutRect line;
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	TAknLayoutScalableParameterLimits textLimits ;
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	TRect tempMainPane;
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	TRect statusPane;
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	AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EMainPane,tempMainPane);
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	AknLayoutUtils::LayoutMetricsRect(AknLayoutUtils::EMainPane,statusPane);
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	TRect mainPane(TPoint(0, 0), tempMainPane.Size());
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	mainNotesPane.LayoutRect(mainPane, AknLayoutScalable_Apps::main_notes_pane().LayoutLine());
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	lineLayout.LayoutRect(mainNotesPane.Rect(),AknLayoutScalable_Apps::list_notes_pane().LayoutLine());
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	textLimits = AknLayoutScalable_Apps::list_notes_text_pane_ParamLimits();
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	TInt lineCount = textLimits.LastRow() - textLimits.FirstRow() + 1;
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	// The array iRects should be reset, when there is a change 
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	// in the no of lines after a layout switch
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	if ( iRects.Count() != lineCount )
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		{
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		iRects.Reset();
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   		for (TInt j(textLimits.FirstRow()); j <= textLimits.LastRow(); j++)
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			{
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    		iRects.Append( TAknLayoutRect() );
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			}
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		}
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	for ( TInt i(textLimits.FirstRow()); i <= textLimits.LastRow(); i++ )
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		{
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		line.LayoutRect(lineLayout.Rect(),AknLayoutScalable_Apps::list_notes_text_pane(i).LayoutLine());
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		iRects[i].LayoutRect(line.Rect() ,AknLayoutScalable_Apps::list_notes_text_pane_g1().LayoutLine());
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		aRegion.AddRect(iRects[i].Rect());
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		}
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	}
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// -----------------------------------------------------------------------------
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// CNotepadEdwinLines::ConstructFromResourceL
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// from CCoeControl
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// -----------------------------------------------------------------------------
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   110
//
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void CNotepadEdwinLines::ConstructFromResourceL(TResourceReader& /*aReader*/)
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	{
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	TAknLayoutScalableParameterLimits textLimits ;  
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    	TInt ignor;
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	TRAP(ignor,
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    		iBgContext = CAknsFrameBackgroundControlContext::NewL( 
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    			KAknsIIDQsnFrNotepad, 
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    			TRect(0,0,0,0), 
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    			TRect(0,0,0,0), 
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    			EFalse );
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        		);
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        ignor = KErrNone;		
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    	textLimits = AknLayoutScalable_Apps::list_notes_text_pane_ParamLimits();
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	for (TInt i(textLimits.FirstRow()); i <= textLimits.LastRow(); i++)
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		{
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	 	User::LeaveIfError(iRects.Append(TAknLayoutRect()));
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		}
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	}
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// -----------------------------------------------------------------------------
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// CNotepadEdwinLines::Draw
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// from CCoeControl
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// -----------------------------------------------------------------------------
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//
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void CNotepadEdwinLines::Draw(const TRect& /*aRect*/) const
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	{
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    	CWindowGc& gc = SystemGc();
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    	for(TInt i(iRects.Count() - 1); i >= 0; i--)
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        		{
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        		iRects[i].DrawRect(gc);
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        		}
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    	}
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// ---------------------------------------------------------
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// CNotepadEdwinLines::MopSupplyObject(TTypeUid aId)
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// Handles a change to the control's resources.
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// ---------------------------------------------------------
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//
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TTypeUid::Ptr CNotepadEdwinLines::MopSupplyObject(TTypeUid aId)
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	{
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	if((aId.iUid == MAknsControlContext::ETypeId) && (iBgContext != NULL))
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		{
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		return MAknsControlContext::SupplyMopObject(aId, iBgContext);
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		}
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	return CCoeControl::MopSupplyObject(aId);
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	}
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// ---------------------------------------------------------
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// CNotepadEdwinLines::HandleResourceChange(TInt aType)
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// Handles a change to the control's resources.
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// ---------------------------------------------------------
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//
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void CNotepadEdwinLines::HandleResourceChange(TInt aType)
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	{
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	if(aType == KAknsMessageSkinChange)
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		{
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		if(iBgContext)
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			{
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			delete iBgContext;
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			iBgContext = NULL;
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			}
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		TInt ignor;
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		TRAP(ignor,
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			iBgContext = CAknsFrameBackgroundControlContext::NewL( 
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				KAknsIIDQsnFrNotepad, 
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				TRect(0,0,0,0), 
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				TRect(0,0,0,0), 
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				EFalse );
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			);
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		ignor = KErrNone;
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		SizeChanged();
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		DrawDeferred();
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		}
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	}
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   187
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void CNotepadEdwinLines::SizeChanged()
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	{
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    	TRect rect( iParent->Rect() );
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    	RRegion region;
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    	AddRectsAndLayout(region);
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    	Window().SetShape(region);
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    	region.Close();
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	}
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   196
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// -----------------------------------------------------------------------------
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// CNotepadEdwinLines::SetContainerWindowL
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// cf. CEikEdwin::SetContainerWindowL.
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// -----------------------------------------------------------------------------
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//
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void CNotepadEdwinLines::SetContainerWindowL(const CCoeControl& aContainer)
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	{
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    	if ( !OwnsWindow() )
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        		{
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        		CreateWindowL(&aContainer); // include SetMopParent
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        		}
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    	else
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        		{
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        		CCoeControl::SetContainerWindowL(aContainer);
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        		}
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	}
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// End of File