tetrisappview.cpp

Symbian开发提高的一个很好的实例,其实现了一个非常好理解的Symbian游戏开发流程

#include <eikmenub.h>
#include <eikspane.h>
#include <eikbtgpc.h>
#include <eiktbar.h>


#include "TetrisAppView.h"
#include "Tetris.hrh"
#include "CSplash.h"



// construct and destruct

// NewL()
CTetrisAppView* CTetrisAppView::NewL(const TRect& aRect)
{
	CTetrisAppView* self = NewLC(aRect);
	CleanupStack::Pop(self);

	return self;
}

// NewLC()
CTetrisAppView* CTetrisAppView::NewLC(const TRect& aRect)
{
	CTetrisAppView* self = new (ELeave) CTetrisAppView();
	CleanupStack::PushL(self);

	self->ConstructL(aRect);

	return self;
}

// CTetrisAppView()
CTetrisAppView::CTetrisAppView()
{
}

//~CTetrisAppView()
CTetrisAppView::~CTetrisAppView()
{
	
	delete iSplash;
	iSplash = NULL;
}

// ConstructL()
void CTetrisAppView::ConstructL(const TRect& aRect)
{
	// Create a window for this application view
    CreateWindowL();

    // Set the windows size
    SetRect(aRect);

	MEikAppUiFactory* f = CEikonEnv::Static()->AppUiFactory();
	iStatusPane = f->StatusPane();
	iToolBar = f->ToolBar();

    // Activate the window, which makes it ready to be drawn
    ActivateL();

	if( iToolBar )
	{
		iToolBar->MakeVisible( EFalse );
		iToolBar->SetCommandL( 0, ECommand1, _L("Exit\nfullscreen") );
	}

	if( iStatusPane )
		iStatusPane->MakeVisible( EFalse );

	SetExtentToWholeScreen();
	iFullScreen = 1;

	// create the Splash
	iSplash = CSplash::NewL();
	iSplash->iAppView = this;
	iSplash->StartTime();
}

///////////////////////////////////////////////////////////////

// Method

// Draw()
void CTetrisAppView::Draw(const TRect&) const
{
	CWindowGc& gc = SystemGc();
	TRect rect = Rect();

	if(iSplash->iCount < 9)
	{
		iSplash->Show(gc, rect);

		//DrawNow();
	
	}
	else
	{
		gc.Clear();
		rect.Shrink(10, 10);
		gc.DrawRect(rect);
	}
		
    
}



// Command()
void CTetrisAppView::Command(TInt aCommand)
{
	if( aCommand == ECommand1 )
	{
		iFullScreen ^= 1;
		if( iFullScreen )
		{	
			if( iToolBar )
			{
				iToolBar->SetCommandL( 0, ECommand1, _L("Exit\nfullscreen") );
				iToolBar->MakeVisible( EFalse );
			}
			if( iStatusPane )
			{
				iStatusPane->MakeVisible( EFalse );
			}

			SetExtentToWholeScreen();
		}
		else
		{
			if( iToolBar )
			{
				iToolBar->SetCommandL( 0, ECommand1, _L("Fullscreen") );
				iToolBar->MakeVisible( ETrue );
				iToolBar->DrawNow();
			}
			if( iStatusPane )
			{
				iStatusPane->MakeVisible( ETrue );
			}
			
			TRect rect = CEikonEnv::Static()->EikAppUi()->ClientRect();
			
			SetPosition( rect.iTl );
			TSize size = rect.Size();
			// make even width
			// odd width CFbsBitmap has unwanted padding bytes
			//size.iWidth &= 0xfffffffe;	
			SetSize( size );
		}
	}
}


void CTetrisAppView::SetState(TState aState)
{
	iState = aState;
}