aknexmenucontainer.h

symbian ui的 例子 初学者可以 好好看看,这个是培训的资料,应该比较宝贵

/* Copyright (c) 2005, Nokia. All rights reserved */


#ifndef __AKNEXMNEUCONTAINER_H__
#define __AKNEXMNEUCONTAINER_H__


// INCLUDES
#include <aknview.h>
#include <eikedwin.h>


// CONSTANTS
const TInt KNumberOfComponentView = 2;
//const TInt KNumberOfMargenInScreen = 20;
const TInt KAknExMenuWhite = 0xffffff;

//ENUMERATION
enum TPointerToComponentView
    {
    EUpperText = 0,
    ELowerText
    };


// FORWARD DECLARATIONS
class CAknExMenuView;


// CLASS DECLARATION

/**
* CAknExMenuContainer container control class.
*/
class CAknExMenuContainer : public CCoeControl, MCoeControlObserver
    {
    public: // Constructors and destructor
        
        /**
        * ConstructL.
        * 2nd phase constructor.
        * @param aRect Frame rectangle for container.
        * @param aParent Pointer of parent view for container.
        */
        void ConstructL( const TRect& aRect, CAknExMenuView* aParent );

        /**
        * ~CAknExMenuContainer.
        * Virtual Destructor.
        */
        virtual ~CAknExMenuContainer();


    private: // Functions from base classes CoeControl

        /**
        * SizeChanged
        * From CoeControl,SizeChanged.
        */
        void SizeChanged();

        /**
        * CountComponentControls
        * From CoeControl,CountComponentControls.
        * @return number of controls inside this container.
        */
        TInt CountComponentControls() const;

        /**
        * ComponentControl
        * From CCoeControl,ComponentControl.
        * @param Index number of the control.
        * @return Pointer of controls inside this container.
        */
        CCoeControl* ComponentControl( TInt aIndex ) const;

        /**
        * Draw
        * From CCoeControl,Draw.
        * @param Specified area for drawing
        */
        void Draw( const TRect& aRect ) const;
        
       /** From CoeControl, HandleResourceChange.
        * Called by framework when the view layout is changed.
        */
        virtual void HandleResourceChange(TInt aType);

    private: // Functions from base classes MCoeControlObserver

        /**
        * HandleControlEventL
        * 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

        /**
        * iUpperText
        * Owned by CAknExMenuContainer object.
        */
        CEikEdwin*      iUpperText;

        /**
        * iLowerText
        * Owned by CAknExMenuContainer object.
        */
        CEikEdwin*      iLowerText;
    };

#endif  // __AKNEXMNEUCONTAINER_H__

// End of File