examples/Graphics/GraphicsShell/GraphicsControl.cpp

// Copyright (c) 2000-2009 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:
//

#include "GraphicsControl.h"

#include <coemain.h>
#include <coeaui.h>

_LIT(KtxtSwiss,"Swiss");

void CGraphicExampleControl::ConstructL(const TRect& aRect, MGraphicsExampleObserver* aGraphObserver, 
                                                                                const CCoeControl& aParent)
        {
        // remember the graphics observer
        iGraphObserver=aGraphObserver;
        // create window
        CreateWindowL(&aParent);
        // construct font for messages
    TFontSpec spec(KtxtSwiss,213);
    iMessageFont=iCoeEnv->CreateScreenFontL(spec);
        // set rectangle to prescription
        SetRect(aRect);
        // go for it
        ActivateL();
        UpdateModelL(); // phase 0
        }

CGraphicExampleControl::~CGraphicExampleControl()
        {
        iCoeEnv->ReleaseScreenFont(iMessageFont);
        }

void CGraphicExampleControl::Quit()
        {
        iGraphObserver->NotifyGraphicExampleFinished();
        }

void CGraphicExampleControl::NextPhaseL()
        {
        if (++iPhase >= iMaxPhases)
                Quit();
        else
                {
                UpdateModelL();
                DrawNow();
                }
        }

void CGraphicExampleControl::HandlePointerEventL(const TPointerEvent& aPointerEvent)
        {
        if (aPointerEvent.iType==TPointerEvent::EButton1Down) NextPhaseL();
        }

TKeyResponse CGraphicExampleControl::OfferKeyEventL(
                        const TKeyEvent& aKeyEvent,TEventCode aType
                        )
        {
        if (aType!=EEventKey) return EKeyWasNotConsumed;
        TInt code=aKeyEvent.iCode;
        switch (code)
                {
                case ' ':
                        NextPhaseL();
                        break;
                default:
                        return EKeyWasNotConsumed;
                }
        return EKeyWasConsumed;
        }

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