newtxtcontainer.h

symbian系统上的记事本程序

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

#ifndef NEWTXTCONTAINER_H
#define NEWTXTCONTAINER_H

// INCLUDES
#include <aknview.h>

// CLASS DECLARATION

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

/**
*  CNewTxtContainer  container control class.
*  
*/
class CEikLabel;
class CEikEdwin;

class CNewTxtContainer : public CCoeControl, MCoeControlObserver
{
public: // Constructors and destructor

	/**
	* C++ default constructor.
	*/
	CNewTxtContainer();
	
	/**
	* EPOC default constructor.
	* @param aRect Frame rectangle for container.
	*/
	void ConstructL(const TRect& aRect);
	
	/**
	* Destructor.
	*/
	virtual ~CNewTxtContainer();
	
public: // New functions
        /**
        * Change focussed control using specified command.
        * @param aCommand Command to be used.
	*/
	void FocusTo(TInt aCommand);
	TInt GetTitle();
	void GetTitle(TDes& title);
	void GetContext(TDes& context);
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*/);
	
private: //data
	CEikLabel* m_pNewLabel;
	CEikLabel* m_pNewLabel1;
	CEikEdwin* m_pNewEdit;
	CEikEdwin* m_pNewEdit1;
};

#endif // NEWTXTCONTAINER_H

// End of File