progressbarctrl.cpp

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/*
 ============================================================================
 Name		: ProgressBarCtrl.cpp
 Author	  : Hou maoqing
 Version	 : 1.0
 Copyright   : Copyright (c) Hou maoqing 2008
 Description : CProgressBarCtrl implementation
 ============================================================================
 */

#include "ProgressBarCtrl.h"

CProgressBarCtrl::CProgressBarCtrl()
	{
	m_nTotalProgress=0;
	m_nCurrentProgress=0;
	}

CProgressBarCtrl::~CProgressBarCtrl()
	{
	}

void CProgressBarCtrl::ConstructL(const CCoeControl* aParent,const TRect& aRect)
	{
	SetContainerWindowL(*aParent);
	SetRect(aRect);
	ActivateL();
	}

void CProgressBarCtrl::Draw(const TRect& aRect) const
{
	CWindowGc& gc = SystemGc();

	TRect drawRect(Rect());
	gc.Clear(drawRect);
		
	//画总进度
	gc.SetPenStyle(CGraphicsContext::ESolidPen);
	gc.DrawRect(drawRect);
	
	//画当前进度
	TRect curRect(drawRect);
	if(m_nTotalProgress>0 && m_nCurrentProgress>=0)
		curRect.iBr.iX=curRect.iTl.iX+curRect.Width()*m_nCurrentProgress/m_nTotalProgress;
	else
		curRect.iBr.iX=curRect.iTl.iX;
	
	gc.SetBrushColor(KRgbRed);
	gc.SetBrushStyle(CGraphicsContext::ESolidBrush);
	gc.DrawRect(curRect);
}

void CProgressBarCtrl::SizeChanged()
	{
	this->DrawDeferred();
	}

TKeyResponse CProgressBarCtrl::OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType)
	{
	TKeyResponse r = EKeyWasNotConsumed;
	
	if(aType==EEventKey)
		{
		if(aKeyEvent.iCode==EKeyLeftArrow)
			{
			m_nCurrentProgress-=5;
			if(m_nCurrentProgress<0)
				m_nCurrentProgress=0;
			
			this->DrawDeferred();
			r = EKeyWasConsumed;
			}
		else if(aKeyEvent.iCode==EKeyRightArrow)
			{
			m_nCurrentProgress+=5;
			if(m_nCurrentProgress>m_nTotalProgress)
				m_nCurrentProgress=m_nTotalProgress;
			
			this->DrawDeferred();
			r = EKeyWasConsumed;
			}
		}
	
	return r;
	}

void CProgressBarCtrl::SetTotalProgress(TInt nTotalProgress)
	{
	m_nTotalProgress=nTotalProgress;
	}