aknexmenuview.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 __AKNEXMNEUVIEW_H__
#define __AKNEXMNEUVIEW_H__


// INCLUDES
#include <aknview.h>


// CONSTANTS
const TUid KViewId = {1};
const TInt KLengthOfMsgStringInView = 64;
const TInt KMsgDisplayTimeInView = 1000000;

// FORWARD DECLARATIONS
class CAknExMenuContainer;


// CLASS DECLARATION

/**
*  CAknExMenuView view class.
*/
class CAknExMenuView : public CAknView
    {
    

    public: // Constructors and destructor

        /**
        * ConstructL.
        * 2nd phase constructor.
        * @param aResId Resource ID used to create the view
        */
        void ConstructL( TInt aResId );
 

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

    public: // Functions from base classes
        
        /**
        * Id
        * From CAknView, return Uid.
        * @return Uid Uid value
        */
        TUid Id() const;

        /**
        * HandleCommandL
        * From CAknView, takes care of command handling.
        * @param aCommand Command
        */
        void HandleCommandL( TInt aCommand );


    public: //Data

        enum TState
            {
            EAknExMenuStateNo,
            EAknExMenuStateDim1,
            EAknExMenuStateDim2,
            EAknExMenuStateLast
            };

    private: // Functions from base classes

        /** 
        * DynInitMenuPaneL
        * From MEikMenuObserver
        * @param aResourceId Menu pane resource ID
        * @param aMenuPane Menu pane pointer
        */
        void DynInitMenuPaneL( TInt aResourceId,
                               CEikMenuPane* aMenuPane );

        /**
        * DoActivateL
        * From CAknExView, activate an AknView.
        * @param aPrevViewId Specified TVwsViewId
        * @param aCustomMessageId Specified TUid
        * @param aCustomMessage Specified TDesC8
        */
        void DoActivateL( const TVwsViewId& aPrevViewId,
                          TUid aCustomMessageId,
                          const TDesC8& aCustomMessage );

        /**
        * DoDeactivate
        * From AknView, deactivate an AknView
        */
        void DoDeactivate();

    public:  // Data

        TBuf<KLengthOfMsgStringInView>            iUpperMsg;
        TBuf<KLengthOfMsgStringInView>            iLowerMsg;
        TBuf<KLengthOfMsgStringInView>            iTitleMsg;

    private: // Data

        /**
        * iContainer
        * Owned by CAknExMenuView object.
        */
        CAknExMenuContainer* iContainer;

        TState               iState;
    };

#endif    // __AKNEXMNEUVIEW_H__

// End of File