mycolumnlistboxappview.h

VC++ 开发的基于Symbian 手机系统的应用

/* Copyright (c) 2008, Nokia. All rights reserved */

#ifndef __MYCOLUMNLISTBOX_APPVIEW_H__
#define __MYCOLUMNLISTBOX_APPVIEW_H__


#include <coecntrl.h>
#include <aknview.h>
#include <eiklbo.h>
#include <coecntrl.h>

class CDreamColumnListBox;

/*! 
  @class CMyColumnListBoxAppView
  
  @discussion An instance of this class is the Application View object
  for the MyColumnListBox example application
  */
class CMyColumnListBoxAppView : public CAknView , MCoeControlObserver, MEikListBoxObserver
    {
public:

/*!
  @function NewL
   
  @discussion Create a CMyColumnListBoxAppView object, which will draw itself to aRect
  @param aRect The rectangle this view will be drawn to
  @result A pointer to the created instance of CMyColumnListBoxAppView
  */
    static CMyColumnListBoxAppView* NewL(const TRect& aRect);

/*!
  @function NewLC
   
  @discussion Create a CMyColumnListBoxAppView object, which will draw itself to aRect
  @param aRect The rectangle this view will be drawn to
  @result A pointer to the created instance of CMyColumnListBoxAppView
  */
    static CMyColumnListBoxAppView* NewLC(const TRect& aRect);


/*!
  @function ~CMyColumnListBoxAppView
  
  @discussion Destroy the object
  */
    ~CMyColumnListBoxAppView();


public:  // from CCoeControl
	/*!
  @function Id

  @discussion Identity of this view to the system
  @result the ID of view
*/
    TUid Id() const;

/*!
  @function Draw
  
  @discussion Draw this CMyColumnListBoxAppView to the screen
  @param aRect The rectangle of this view that needs updating
  */
 //    void Draw(const TRect& aRect) const;
  

private:

/*!
  @function ConstructL
  
  @discussion  Perform the second phase construction of a CMyColumnListBoxAppView object
  @param aRect The rectangle this view will be drawn to
  */
    void ConstructL(const TRect& aRect);
	TKeyResponse HandleKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType);
    TKeyResponse OfferKeyEventL( const TKeyEvent& aKeyEvent, TEventCode aType );

			void HandleListBoxEventL(CEikListBox* aListBox,TListBoxEvent aListBoxEvent);
        void HandleControlEventL(CCoeControl* aControl,TCoeEvent aEventType);

/*!
  @function CMyColumnListBoxAppView
  
  @discussion Perform the first phase of two phase construction 
  */
    CMyColumnListBoxAppView();

	/*!
  @function HandleCommandL
  
  @discussion Handle commands
  @param aCommand Command to be handled
*/
    void HandleCommandL(TInt aCommand);

/*!
  @function DoActivateL
  
  @discussion Create the Container class object
  @param aPrevViewId The id of the previous view
  @param aCustomMessageId message identifier
  @param aCustomMessage custom message provided when the view is changed
*/
  void DoActivateL(const TVwsViewId& aPrevViewId,
                   TUid aCustomMessageId,
                   const TDesC8& aCustomMessage);

/*!
  @function DoDeactivate
  
  @discussion Remove the container class instance from the App UI's stack and
  deletes the instance
  */
  void DoDeactivate();

private:

  CDreamColumnListBox* iBox;
  CFont* iFont;
  TRect iRect;
    };


#endif // __MYCOLUMNLISTBOX_APPVIEW_H__