graphicexamcontainer.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 121 行

/*
============================================================================
 Name        : CGraphicExamContainer from GraphicExamContainer.h
 Author      : hou maoqing
 Version     :
 Copyright   : Copyright (c) Hou maoqing 2008
 Description : Container control implementation
============================================================================
*/

// INCLUDE FILES
#include "GraphicExamContainer.h"

#include <eiklabel.h>  // for example label control


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

// ---------------------------------------------------------
// CGraphicExamContainer::ConstructL(const TRect& aRect)
// EPOC two phased constructor
// ---------------------------------------------------------
//
void CGraphicExamContainer::ConstructL(const TRect& aRect)
	{
	CreateWindowL();

	/*iLabel = new (ELeave) CEikLabel;
	iLabel->SetContainerWindowL( *this );
	iLabel->SetTextL( _L("Example View") );

	iToDoLabel = new (ELeave) CEikLabel;
	iToDoLabel->SetContainerWindowL( *this );
	iToDoLabel->SetTextL( _L("Add Your controls\n here") );*/

	SetRect(aRect);
	ActivateL();
	}

// Destructor
CGraphicExamContainer::~CGraphicExamContainer()
	{
	delete iLabel;
	delete iToDoLabel;
	}

// ---------------------------------------------------------
// CGraphicExamContainer::SizeChanged()
// Called by framework when the view size is changed
// ---------------------------------------------------------
//
void CGraphicExamContainer::SizeChanged()
	{
	// TODO: Add here control resize code etc.
	//iLabel->SetExtent( TPoint(10,10), iLabel->MinimumSize() );
	//iToDoLabel->SetExtent( TPoint(10,100), iToDoLabel->MinimumSize() );
	}

// ---------------------------------------------------------
// CGraphicExamContainer::CountComponentControls() const
// ---------------------------------------------------------
//
TInt CGraphicExamContainer::CountComponentControls() const
	{
	return 0; // return nbr of controls inside this container
	}

// ---------------------------------------------------------
// CGraphicExamContainer::ComponentControl(TInt aIndex) const
// ---------------------------------------------------------
//
CCoeControl* CGraphicExamContainer::ComponentControl(TInt aIndex) const
	{
	switch ( aIndex )
		{
		case 0:
			return iLabel;
		case 1:
			return iToDoLabel;
		default:
			return NULL;
		}
	}

// ---------------------------------------------------------
// CGraphicExamContainer::Draw(const TRect& aRect) const
// ---------------------------------------------------------
//
void CGraphicExamContainer::Draw(const TRect& aRect) const
	{
	CWindowGc& gc = SystemGc();
	
	//清空窗口上的内容
	gc.SetPenStyle( CGraphicsContext::ENullPen );
	gc.SetBrushColor( KRgbGray );
	gc.SetBrushStyle( CGraphicsContext::ESolidBrush );
	gc.DrawRect( aRect );
	
	//绘制图形
	gc.SetPenStyle(CGraphicsContext::ESolidPen);
	gc.SetPenSize(TSize(3,3));
	gc.SetPenColor(KRgbBlack);
	gc.DrawEllipse(aRect);
	
	gc.SetPenColor(KRgbBlue);
	gc.SetPenStyle(CGraphicsContext::EDottedPen);
	gc.SetPenSize(TSize(4,4));
	gc.DrawLine(aRect.iTl,aRect.iBr);
	}

// ---------------------------------------------------------
// CGraphicExamContainer::HandleControlEventL(
//    CCoeControl* aControl,TCoeEvent aEventType)
// ---------------------------------------------------------
//
void CGraphicExamContainer::HandleControlEventL(
	CCoeControl* /*aControl*/,TCoeEvent /*aEventType*/)
	{
	// TODO: Add your control event handler code here
	}