CEGUIScrolledItemListBase.h

/************************************************************************
    filename:   CEGUIIScrolledItemListBase.h
    created:    Sat Oct 29 2005
    author:     Tomas Lindquist Olsen
*************************************************************************/
/***************************************************************************
 *   Copyright (C) 2004 - 2009 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 _CEGUIScrolledItemListBase_h_
#define _CEGUIScrolledItemListBase_h_

#include "CEGUIItemListBase.h"
#include "CEGUIScrollbar.h"
#include "CEGUIScrolledItemListBaseProperties.h"

#if defined(_MSC_VER)
#       pragma warning(push)
#       pragma warning(disable : 4251)
#endif
// begin CEGUI namespace
namespace CEGUI
{

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

    /************************************************************************
        Constants
    *************************************************************************/
    static const String VertScrollbarNameSuffix; 
    static const String HorzScrollbarNameSuffix; 
    static const String ContentPaneNameSuffix;   

    static const String EventVertScrollbarModeChanged;
    static const String EventHorzScrollbarModeChanged;

    /************************************************************************
        Accessors
    *************************************************************************/
    bool isVertScrollbarAlwaysShown(void) const {return d_forceVScroll;}

    bool isHorzScrollbarAlwaysShown(void) const {return d_forceHScroll;}

    Scrollbar* getVertScrollbar() const;

    Scrollbar* getHorzScrollbar() const;

    /************************************************************************
        Manipulators
    *************************************************************************/
    void setShowVertScrollbar(bool mode);

    void setShowHorzScrollbar(bool mode);

    void ensureItemIsVisibleVert(const ItemEntry& item);

    void ensureItemIsVisibleHorz(const ItemEntry& item);

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

    virtual ~ScrolledItemListBase(void);

    // overridden from ItemListBase
    virtual void initialiseComponents(void);

protected:
    /************************************************************************
        Implementation functions
    ************************************************************************/
    virtual bool testClassName_impl(const String& class_name) const
    {
        if (class_name=="ScrolledItemListBase")
        {
            return true;
        }
        return ItemListBase::testClassName_impl(class_name);
    }

    void configureScrollbars(const Size& doc_size);

    /************************************************************************
        New event handlers
    ************************************************************************/
    virtual void onVertScrollbarModeChanged(WindowEventArgs& e);
    virtual void onHorzScrollbarModeChanged(WindowEventArgs& e);

    /************************************************************************
        Overridden event handlers
    ************************************************************************/
    virtual void onMouseWheel(MouseEventArgs& e);

    /************************************************************************
        Event subscribers
    ************************************************************************/
    bool handle_VScroll(const EventArgs& e);
    bool handle_HScroll(const EventArgs& e);

    /************************************************************************
        Implementation data
    ************************************************************************/
    bool d_forceVScroll;
    bool d_forceHScroll;

private:
    /************************************************************************
        Static Properties for this class
    ************************************************************************/
    static ScrolledItemListBaseProperties::ForceVertScrollbar d_forceVertScrollbarProperty;
    static ScrolledItemListBaseProperties::ForceHorzScrollbar d_forceHorzScrollbarProperty;

    void addScrolledItemListBaseProperties(void);
};

} // end CEGUI namespace

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

#endif // end of guard _CEGUIScrolledItemListBase_h_