hellocontainer.h

symbian中讲述的一个有关grid的简单例子

/*
* ============================================================================
*  Name     : CHelloContainer from CCoeControl, MCoeControlObserver
*  Part of  : Hello
*  Copyright (c) 2003 Nokia. All rights reserved.
* ============================================================================
*/

#ifndef HELLOCONTAINER_H
#define HELLOCONTAINER_H

// INCLUDES
#include <aknview.h>

#define MEM_FREE(p) if (NULL != p){delete p; p = NULL;}

// CLASS DECLARATION
class CEikLabel; //for Label
class CEikEdwin; //for Edit

/**
*  CHelloContainer  container control class.
*  
*/
class CHelloContainer : public CCoeControl, MCoeControlObserver
{
public: // Constructors and destructor
	void	AddInfoToList(TInt aIndex, const TDesC& aText);
	/**
	* C++ default constructor.
	*/
	CHelloContainer();
	
	/**
	* EPOC default constructor.
	* @param aRect Frame rectangle for container.
	*/
	void ConstructL(const TRect& aRect);
	
	/**
	* Destructor.
	*/
	virtual ~CHelloContainer();
	
public: // New functions
        /**
        * Change focussed control using specified command.
        * @param aCommand Command to be used.
	*/
	void FocusTo(TInt aCommand);
	
private: // Functions from base classes
	
		 /**
		 * From CoeControl,SizeChanged.
	*/
	void SizeChanged();
	
	/**
	* From CoeControl,CountComponentControls.
	*/
	TInt CountComponentControls() const;
	
	/**
	* From CCoeControl,ComponentControl.
	* @param aIndex of control
	*/
	CCoeControl* ComponentControl(TInt aIndex) const;
	
	/**
	* From CCoeControl, Draw client rect.
	* @param aRect Frame rectangle for container.
	*/
	void Draw(const TRect& aRect) const;
	
	/**
	* From CCoeControl, Handles key event.
	* @param aKeyEvent The key event.
	* @param aType The type of the event.
	* @return Indicates whether or not the key event was
	*           used by this control.
	*/
	TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,
		TEventCode aType);
	
private:
/**
* From MCoeControlObserver, Handles an event of type aEventType
* @param aControl Pointer to component control
* @param aEventType Event Code
	*/
	void HandleControlEventL(CCoeControl* /*aControl*/,
		TCoeEvent /*aEventType*/);
public:
	void GetLoginName(TDes &aName);
private: //data
	CEikLabel* m_pLabel;
	CEikEdwin* m_pEdit;
	CEikEdwin* m_pRssEdit;
};

#endif // HELLOCONTAINER_H

// End of File