guiclock8_maincontainer.cpp

基于Symbianos的手机开发与应用中的GUIClock源码

// GUIClock_CGUIClockMainContainer.cpp
// ------------------------------
//
// Copyright (c) 2000 Symbian Ltd.  All rights reserved.
//

////////////////////////////////////////////////////////////////////////
//
// Source file for the implementation of the 
// application view class - CGUIClockMainContainer
//
////////////////////////////////////////////////////////////////////////

#include "GUIClock8.h"
#include "math.h"
#include "DiaclockCtrl.h"
#include "DigclockCtrl.h"

//
//             Constructor for the view.
//
CGUIClockMainContainer::CGUIClockMainContainer()
{
	iSelectIndex = 0;
}


//             Static NewL() function to start the standard two
//             phase construction.
//
CGUIClockMainContainer* CGUIClockMainContainer::NewL(const TRect& aRect)
{
	CGUIClockMainContainer* self = new(ELeave) CGUIClockMainContainer();
	CleanupStack::PushL(self);
	self->ConstructL(aRect);
	CleanupStack::Pop();
	return self;
}


//
//             Destructor for the view.
//
CGUIClockMainContainer::~CGUIClockMainContainer()
{
	if(iDigClock)
		delete iDigClock;
	if(iDiaClock)
		delete iDiaClock;
}


//             Second phase construction.
//
void CGUIClockMainContainer::ConstructL(const TRect& aRect)
{
	// Control is a window owning control
	CreateWindowL();
	
	iDigClock = new (ELeave) CDigClockCtrl;
	iDigClock->SetContainerWindowL(*this);
	iDigClock->ConstructL();
	
	iDiaClock = new (ELeave) CDiaClockCtrl;
	iDiaClock->SetContainerWindowL(*this);
	iDiaClock->ConstructL();
	
	// Extent of the control. This is
	// the whole rectangle available to application.
	// The rectangle is passed to us from the application UI.
	SetRect(aRect);
	// At this stage, the control is ready to draw so
	// we tell the UI framework by activating it.
	ActivateL();
}


//             Drawing the view - in this example, 
//             consists of drawing a simple outline rectangle
//             and then drawing the text in the middle.
//             We use the Normal font supplied by the UI.
//
//             In this example, we don't use the redraw
//             region because it's easier to redraw to
//             the whole client area.
//
void CGUIClockMainContainer::Draw(const TRect& /*aRect*/) const
{
	CWindowGc & gc = SystemGc();
	gc.Clear();
}




void CGUIClockMainContainer::UpdateClock(TTime aTime)
{
	iDateTime = aTime.DateTime();
	iDiaClock->SetTime(iDateTime);
	iDigClock->SetTime(iDateTime);

	this->DrawNow();
}


CCoeControl* CGUIClockMainContainer::ComponentControl(TInt aIndex) const
{
	switch (aIndex)
	{
	case 0:
		return iDigClock;
		break;
	case 1:
		return iDiaClock;
		break;
	}
	return NULL;
}

void CGUIClockMainContainer::SizeChanged()
{
	//调整布局
	TRect rect = this->Rect();
	TInt wid = rect.Height()*2/3 > rect.Width() ? 
		rect.Width(): rect.Height()*2/3;

	iDiaClockRect.iTl.iX = (rect.Width() - wid)/2;
	iDiaClockRect.iBr.iX = iDiaClockRect.iTl.iX + wid;
	iDiaClockRect.iTl.iY = rect.iTl.iY;
	iDiaClockRect.iBr.iY = rect.iTl.iY + wid;
	iDiaClock->SetRect(iDiaClockRect);

	iDigClockRect.iTl.iX = 0;
	iDigClockRect.iTl.iY = iDiaClockRect.iBr.iY+4;
	iDigClockRect.iBr.iX = rect.iBr.iX;
	iDigClockRect.iBr.iY = iDigClockRect.iTl.iY + rect.Height()*1/3-5;
	iDigClock->SetRect(iDigClockRect);
}


TKeyResponse CGUIClockMainContainer::OfferKeyEventL(const TKeyEvent& aEvent,TEventCode aType)
{
	TBool processed = FALSE;

	if(aType == EEventKey)	
	{
		if(aEvent.iScanCode == EStdKeyDownArrow)
		{
			iSelectIndex = (iSelectIndex +1) % 2;
			processed = TRUE;
		}
		else if(aEvent.iScanCode == EStdKeyUpArrow)
		{
			iSelectIndex = (iSelectIndex - 1) % 2;
			processed = TRUE;
		}
		if(processed)
		{
			if(iSelectIndex == 0)
			{
				iDiaClock->SetSelected(TRUE);
				iDigClock->SetSelected(FALSE);
			}
			else
			{
				iDiaClock->SetSelected(FALSE);
				iDigClock->SetSelected(TRUE);
			}
			DrawNow();
			return EKeyWasConsumed;
		}
	}
	return EKeyWasNotConsumed;

}