exam0303newguiappview.cpp

来自「国内著名嵌入式培训机构内部资料,内含一些实例代码,包括技术专题书籍」· C++ 代码 · 共 133 行

/*
 ============================================================================
 Name		: Exam0303NewGuiAppView.cpp
 Author	  : 
 Copyright   : Your copyright notice
 Description : Application view implementation
 ============================================================================
 */

// INCLUDE FILES
#include <coemain.h>
#include <EIKENV.H>
#include "Exam0303NewGuiAppView.h"

// ============================ MEMBER FUNCTIONS ===============================

// -----------------------------------------------------------------------------
// CExam0303NewGuiAppView::NewL()
// Two-phased constructor.
// -----------------------------------------------------------------------------
//
CExam0303NewGuiAppView* CExam0303NewGuiAppView::NewL(const TRect& aRect)
	{
	CExam0303NewGuiAppView* self = CExam0303NewGuiAppView::NewLC(aRect);
	CleanupStack::Pop(self);
	return self;
	}

// -----------------------------------------------------------------------------
// CExam0303NewGuiAppView::NewLC()
// Two-phased constructor.
// -----------------------------------------------------------------------------
//
CExam0303NewGuiAppView* CExam0303NewGuiAppView::NewLC(const TRect& aRect)
	{
	CExam0303NewGuiAppView* self = new ( ELeave ) CExam0303NewGuiAppView;
	CleanupStack::PushL(self);
	self->ConstructL(aRect);
	return self;
	}

// -----------------------------------------------------------------------------
// CExam0303NewGuiAppView::ConstructL()
// Symbian 2nd phase constructor can leave.
// -----------------------------------------------------------------------------
//
void CExam0303NewGuiAppView::ConstructL(const TRect& aRect)
	{
	// Create a window for this application view
	CreateWindowL();

	// Set the windows size
	SetRect(aRect);
	
	m_pRefreshTimer=CUiRefreshTimer::NewL();
	m_pRefreshTimer->SetObserver(this);
	m_pRefreshTimer->StartL(1000*1000);

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

// -----------------------------------------------------------------------------
// CExam0303NewGuiAppView::CExam0303NewGuiAppView()
// C++ default constructor can NOT contain any code, that might leave.
// -----------------------------------------------------------------------------
//
CExam0303NewGuiAppView::CExam0303NewGuiAppView()
	{
	// No implementation required
	m_pRefreshTimer=NULL;
	}

// -----------------------------------------------------------------------------
// CExam0303NewGuiAppView::~CExam0303NewGuiAppView()
// Destructor.
// -----------------------------------------------------------------------------
//
CExam0303NewGuiAppView::~CExam0303NewGuiAppView()
	{
	// No implementation required
	if(m_pRefreshTimer)
		{
		delete m_pRefreshTimer;
		m_pRefreshTimer=NULL;
		}
	}

// -----------------------------------------------------------------------------
// CExam0303NewGuiAppView::Draw()
// Draws the display.
// -----------------------------------------------------------------------------
//
void CExam0303NewGuiAppView::Draw(const TRect& /*aRect*/) const
	{
	// Get the standard graphics context
	CWindowGc& gc = SystemGc();

	// Gets the control's extent
	TRect drawRect(Rect());

	// Clears the screen
	gc.Clear(drawRect);

	//draw current time
	TTime tCur;
	tCur.HomeTime();
	
	TBuf<256> timeAsText;
	_LIT ( KTimeFormat, "%D%M%Y%/0%1%/1%2%/2%3%/3 %H:%T:%S " );
	tCur.FormatL( timeAsText, KTimeFormat );
	
	gc.UseFont( CEikonEnv::Static()->DenseFont());
	gc.DrawText(timeAsText,TPoint(10,40));
	gc.DiscardFont();
	}

// -----------------------------------------------------------------------------
// CExam0303NewGuiAppView::SizeChanged()
// Called by framework when the view size is changed.
// -----------------------------------------------------------------------------
//
void CExam0303NewGuiAppView::SizeChanged()
	{
	DrawNow();
	}

void CExam0303NewGuiAppView::NotifyRefresh()
	{
	DrawDeferred();
	}
// End of File