MenuBase.h

/***********************************************************************
    created:    5/4/2005
    author:     Tomas Lindquist Olsen (based on code by Paul D Turner)

    purpose:    Interface to base class for MenuBase widget
*************************************************************************/
/***************************************************************************
 *   Copyright (C) 2004 - 2006 Paul D Turner & The CEGUI Development Team
 *
 *   Permission is hereby granted, free of charge, to any person obtaining
 *   a copy of this software and associated documentation files (the
 *   "Software"), to deal in the Software without restriction, including
 *   without limitation the rights to use, copy, modify, merge, publish,
 *   distribute, sublicense, and/or sell copies of the Software, and to
 *   permit persons to whom the Software is furnished to do so, subject to
 *   the following conditions:
 *
 *   The above copyright notice and this permission notice shall be
 *   included in all copies or substantial portions of the Software.
 *
 *   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 *   EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 *   MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 *   IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 *   OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 *   ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 *   OTHER DEALINGS IN THE SOFTWARE.
 ***************************************************************************/
#ifndef _CEGUIMenuBase_h_
#define _CEGUIMenuBase_h_

#include "../Base.h"
#include "../Window.h"
#include "./ItemListBase.h"


#if defined(_MSC_VER)
#   pragma warning(push)
#   pragma warning(disable : 4251)
#endif


// Start of CEGUI namespace section
namespace CEGUI
{

class CEGUIEXPORT MenuBase : public ItemListBase
{
public:
    static const String EventNamespace;             


    /*************************************************************************
        Event name constants
    *************************************************************************/
    // generated internally by Window
    static const String EventPopupOpened;
    static const String EventPopupClosed;


    /*************************************************************************
        Accessor type functions
    *************************************************************************/
    float   getItemSpacing(void) const
    {
        return d_itemSpacing;
    }


    bool    isMultiplePopupsAllowed(void) const
    {
        return d_allowMultiplePopups;
    }

    bool    getAutoCloseNestedPopups(void) const
    {
        return d_autoCloseNestedPopups;
    }

    MenuItem*   getPopupMenuItem(void) const
    {
        return d_popupItem;
    }


    /*************************************************************************
        Manipulators
    *************************************************************************/
    void    setItemSpacing(float spacing)
    {
        d_itemSpacing = spacing;
        handleUpdatedItemData();
    }


    void    changePopupMenuItem(MenuItem* item);


    void    setAllowMultiplePopups(bool setting);

    void    setAutoCloseNestedPopups(bool setting)
    {
        d_autoCloseNestedPopups = setting;
    }
    void    setPopupMenuItemClosing();


    /*************************************************************************
        Construction and Destruction
    *************************************************************************/
    MenuBase(const String& type, const String& name);


    virtual ~MenuBase(void);


protected:
    /*************************************************************************
        New Event Handlers
    *************************************************************************/
    virtual void    onPopupOpened(WindowEventArgs& e);


    virtual void    onPopupClosed(WindowEventArgs& e);

    // overridden from base
    virtual void onChildRemoved(ElementEventArgs& e);
    virtual void onHidden(WindowEventArgs& e);

    /*************************************************************************
        Implementation Data
    *************************************************************************/
    float d_itemSpacing;        

    MenuItem* d_popupItem;      
    bool d_allowMultiplePopups; 
    bool d_autoCloseNestedPopups; 


private:
    /*************************************************************************
    Private methods
    *************************************************************************/
    void    addMenuBaseProperties(void);
};

} // End of  CEGUI namespace section


#if defined(_MSC_VER)
#   pragma warning(pop)
#endif

#endif  // end of guard _CEGUIMenuBase_h_