S60 3rd Edition SDK for Symbian OS Example Applications Guide

BillboardAppUi.cpp

/*
* ==============================================================================
*  Name        : BillboardAppUi.cpp
*  Part of     : OpenGLEx / Billboard
*  Interface   : 
*  Description : 
*  Version     : 
*
*  Copyright (c) 2004-2006 Nokia Corporation.
*  This material, including documentation and any related 
*  computer programs, is protected by copyright controlled by 
*  Nokia Corporation.
* ==============================================================================
*/

// INCLUDE FILES
#include "BillboardAppUi.h"
#include "BillboardContainer.h" 
#include "billboard.hrh"

#include <Billboard.rsg>
#include <avkon.hrh>

// ================= MEMBER FUNCTIONS =======================
//
// ----------------------------------------------------------
// CBillboardAppUi::ConstructL()
// ?implementation_description
// ----------------------------------------------------------
//
void CBillboardAppUi::ConstructL()
    {
    BaseConstructL();
    iAppContainer = new (ELeave) CBillboardContainer;
    iAppContainer->SetMopParent(this);
    iAppContainer->ConstructL( ClientRect() );
    AddToStackL( iAppContainer );
    }

// ----------------------------------------------------
// CBillboardAppUi::~CBillboardAppUi()
// Destructor
// Frees reserved resources
// ----------------------------------------------------
//
CBillboardAppUi::~CBillboardAppUi()
    {
    if ( iAppContainer )
        {
        RemoveFromStack( iAppContainer );
        delete iAppContainer;
        }
        }

// ------------------------------------------------------------------------------
// CBillboardAppUi::::DynInitMenuPaneL(TInt aResourceId,CEikMenuPane* aMenuPane)
//  This function is called by the EIKON framework just before it displays
//  a menu pane. Its default implementation is empty, and by overriding it,
//  the application can set the state of menu items dynamically according
//  to the state of application data.
// ------------------------------------------------------------------------------
//
void CBillboardAppUi::DynInitMenuPaneL(
    TInt /*aResourceId*/,CEikMenuPane* /*aMenuPane*/)
    {
    }

// ----------------------------------------------------
// CBillboardAppUi::HandleKeyEventL(
//     const TKeyEvent& aKeyEvent,TEventCode /*aType*/)
// Key event handler
// ----------------------------------------------------
//
TKeyResponse CBillboardAppUi::HandleKeyEventL(
    const TKeyEvent& aKeyEvent,TEventCode aType)
    {
    if ( iAppContainer->iBillboard->GetState() == CBillboard::ERunning )
                {
        if ( aType == EEventKey )
                        {
            switch ( aKeyEvent.iScanCode )
                                {
                                case EStdKeyLeftArrow:
                                        {
                                                GLbyte &direction = iAppContainer->iBillboard->iDirection;
                
                                                if ( direction != 0 )
                                                        {
                                                        direction = 0;
                                                        }
                                                else 
                                                        {
                                                        direction = -1;
                                                        }
                                        }
                
                                        return EKeyWasConsumed;
                                case EStdKeyRightArrow:
                                        {
                                                GLbyte &direction = iAppContainer->iBillboard->iDirection;
                
                                                if ( direction != 0 )
                                                        {
                                                        direction = 0;
                                                        }
                                                else 
                                                        {
                                                        direction = +1;
                                                        }
                                        }

                                        return EKeyWasConsumed;
                                case EStdKeyUpArrow:
                                        iAppContainer->iBillboard->MoveCamera(-1, FIXED_ONE);
                                        return EKeyWasConsumed;
                                case EStdKeyDownArrow:
                                        iAppContainer->iBillboard->MoveCamera(+1, FIXED_ONE);
                                        return EKeyWasConsumed;
                                default:
                                        return EKeyWasNotConsumed;
                                }
                        }
                }
    return EKeyWasNotConsumed;
    }

// ----------------------------------------------------
// CBillboardAppUi::HandleCommandL(TInt aCommand)
// Command handler
// ----------------------------------------------------
//
void CBillboardAppUi::HandleCommandL(TInt aCommand)
    {
    switch ( aCommand )
        {
        case EAknSoftkeyBack:
        case EEikCmdExit:
            {
            Exit();
            break;
            }
        default:
            break;      
        }
    }

// End of File  

---

© Nokia 2006