examples/SFExamples/Quick_Recipes_on_Symbian_OS_Multimedia_Example_Code/AudioTone/src/s60_3rd/AudioToneMainView.cpp

// 
// Copyright (c) 2002-2009 Nokia Corporation and/or its subsidiary(-ies).
// All rights reserved.
// This component and the accompanying materials are made available
// under the terms of the License "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:
// 

// INCLUDES
#include <eikedwin.h>
#include <eikenv.h>
#include <aknutils.h>
#include <AudioTone.rsg>

#include "AudioToneMainView.h"

// MEMBER FUNCTIONS

// --------------------------------------------------------------------------
// Two-phase constructor
// --------------------------------------------------------------------------
CAudioToneMainView* CAudioToneMainView::NewL(const TRect& aRect)
        {
        CAudioToneMainView* self = CAudioToneMainView::NewLC(aRect);
        CleanupStack::Pop(self);
        return self;
        }

// --------------------------------------------------------------------------
// Two-phase constructor
// --------------------------------------------------------------------------
CAudioToneMainView* CAudioToneMainView::NewLC(const TRect& aRect)
        {
        CAudioToneMainView* self = new (ELeave) CAudioToneMainView;
        CleanupStack::PushL(self);
        self->ConstructL(aRect);
        return self;
        }

// --------------------------------------------------------------------------
// Destructor
// --------------------------------------------------------------------------
CAudioToneMainView::~CAudioToneMainView()
        {
        delete iEikEdwin;
        }
        
// --------------------------------------------------------------------------
// Second phase constructor
// --------------------------------------------------------------------------
void CAudioToneMainView::ConstructL(const TRect& aRect)
        {
        CreateWindowL();
        
        // Create an edwin on this control.
        iEikEdwin = new (ELeave) CEikEdwin();
        iEikEdwin->ConstructL(CEikEdwin::EReadOnly | CEikEdwin::ENoAutoSelection);
    iEikEdwin->SetContainerWindowL(*this);
        HBufC* message = ControlEnv()->AllocReadResourceLC(R_AUDIOTONE_TEXT);   
    iEikEdwin->SetTextL(message);
        CleanupStack::PopAndDestroy(message);
        
        SetRect(aRect);
        ActivateL();
        }

// --------------------------------------------------------------------------
// Sets the text to be displayed on this control.
// --------------------------------------------------------------------------
void CAudioToneMainView::SetTextL(const TDesC& aText)
        {
        if (iEikEdwin)
                {
                iEikEdwin->SetTextL(&aText);
                DrawDeferred();
                }
        }

// --------------------------------------------------------------------------
// Returns the number of controls.
// In this example, it returns 1 because there is only one
// control, which is an edwin control.
// --------------------------------------------------------------------------
TInt CAudioToneMainView::CountComponentControls() const
        {
        if (iEikEdwin)
                {
                return 1;
                }
        return 0;
        }

// --------------------------------------------------------------------------
// Returns the pointer of the controls.
// In this example, it returns the pointer of the edwin control.
// --------------------------------------------------------------------------
CCoeControl* CAudioToneMainView::ComponentControl(TInt aIndex) const
        {
        switch (aIndex)
                {
                case 0:
                        return iEikEdwin;
                default:
                        break;
                }
        return 0;
        }

// --------------------------------------------------------------------------
// Called when this control needs to be redrawn.
// --------------------------------------------------------------------------
void CAudioToneMainView::Draw(const TRect& /*aRect*/) const
        {
        CWindowGc& gc = SystemGc();
        gc.Clear();
        }

// --------------------------------------------------------------------------
// Called when the size/resolution of this control has been
// changed. If this happens, the size of the edwin has to be
// adjusted as well.
// --------------------------------------------------------------------------
void CAudioToneMainView::SizeChanged()
    {
    if (iEikEdwin)
                {
                TRect rect(Rect());
                iEikEdwin->SetExtent(
                        TPoint(0, 0),
                        TSize(rect.Width(), rect.Height()));
                }
    }
        
// End of File

---