compoundcontrolview.cpp

来自「最新官方例子,图形,描述副,基本控件,通讯协议,等等,」· C++ 代码 · 共 135 行

/**
* 
* @brief Definition of CCompoundControlView
*
* Copyright (c) EMCC Software Ltd 2003
* @version 1.0
*/

// INCLUDES

//  Class include
#include "CompoundControlView.h"

// System includes
#include <aknviewappui.h>	// CAknViewAppUi
#include <Controls.rsg>	// R_Controls_VIEW2

// User includes
#include "Controls.hrh"	// TControlsViewNumber
#include "CompoundControl.h"	// CCompoundControl

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

/** 
* Destructor.  Frees up memory for the iLabel.
*/
CCompoundControlView::~CCompoundControlView()
	{
	delete iContainer;
	}

/**
* Symbian OS 2 phase constructor.
* Constructs the CCompoundControlView using the NewLC method, popping
* the constructed object from the CleanupStack before returning it.
* 
* @param aRect The rectangle for this window
* @return The newly constructed CCompoundControlView
*/
CCompoundControlView* CCompoundControlView::NewL()
	{
	CCompoundControlView* self = CCompoundControlView::NewLC();
	CleanupStack::Pop(self);
	return self;
	}

/**
* Symbian OS 2 phase constructor.
* Constructs the CCompoundControlView using the constructor and ConstructL 
* method, leaving the constructed object on the CleanupStack before returning it.
* 
* @param aRect The rectangle for this window
* @return The newly constructed CCompoundControlView
*/
CCompoundControlView* CCompoundControlView::NewLC()
	{
	CCompoundControlView* self = new (ELeave) CCompoundControlView();
	CleanupStack::PushL(self);
	self->ConstructL();
	return self;
	}

/**
* Symbian OS 2nd phase constructor.  
* Uses the superclass constructor to construct the view using the 
* R_Controls_VIEW2 resource.
*/ 
void CCompoundControlView::ConstructL()
	{
	BaseConstructL(R_CONTROLS_VIEW2);
	}

/**
* Called by the framework
* @return The Uid for this view
*/
TUid CCompoundControlView::Id() const
	{
	return TUid::Uid(ECompoundControlViewId);
	}

/**
* Called by the framework when the view is activated.  Constructs the 
* container if necessary, setting this view as its MOP parent, and 
* adding it to the control stack.
*/
void CCompoundControlView::DoActivateL(const TVwsViewId& /*aPrevViewId*/,
										 TUid /*aCustomMessageId*/,
										 const TDesC8& /*aCustomMessage*/)
	{
	if (!iContainer)
		{
		iContainer = CCompoundControl::NewL(ClientRect(), NULL);
		iContainer->SetMopParent(this);
		AppUi()->AddToStackL(*this, iContainer);
		}
	}

/**
* Called by the framework when the view is deactivated.  
* Removes the container from the control stack and deletes it.
*/
void CCompoundControlView::DoDeactivate()
	{
	if (iContainer)
		{
		AppUi()->RemoveFromStack(iContainer);
		delete iContainer;
		iContainer = NULL;
		}
	}

/**
* From CEikAppUi, takes care of command handling for this view.
*
* @param aCommand command to be handled
*/
void CCompoundControlView::HandleCommandL(TInt aCommand)
	{
	switch (aCommand)
		{
		case EAknSoftkeyBack:
			{
			AppUi()->HandleCommandL(EEikCmdExit);
			break;
			}
		default:
			{
			AppUi()->HandleCommandL(aCommand);
			}
		}
	}

// End of File