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<html><head><title>Exercise_GUIClock.rar GUIClock8_maincontainer.cpp</title>
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// 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;
}
</pre>
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