aknexmenuokcontainer.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 __AKNEXMNEUOKCONTAINER_H__
#define __AKNEXMNEUOKCONTAINER_H__


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


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

//ENUMERATION
enum TPointerToComponentOkView
    {
    EUpperTextOkView = 0,
    ELowerTextOkView
    };

// FORWARD DECLARATIONS
class CAknExMenuOkView;


// CLASS DECLARATION

/**
*  CAknExMenuOkContainer container control class.
*/
class CAknExMenuOkContainer : 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, CAknExMenuOkView* aParent );
        
        /**
        * ~CAknExMenuOkContainer.
        * Virtual Destructor.
        */
        virtual ~CAknExMenuOkContainer();

 
    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;

         /**
         * OfferKeyEventL
         * 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);

        /**
        * 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 CAknExMenuOkContainer object.
        */
        CEikEdwin*      iUpperText;

        /**
        * iLowerText
        * Owned by CAknExMenuOkContainer object.
        */
        CEikEdwin*      iLowerText;

        /**
        * iParent, pointer to the view
        * Not Owned by CAknExMenuOkContainer object.
        */
        CAknExMenuOkView*    iParent;
    };

#endif    // __AKNEXMNEUOKCONTAINER_H__

// End of File