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路径: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\ogre\include\CEGUI\elements\CEGUIScrolledItemListBase.h
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/************************************************************************
    filename:   CEGUIIScrolledItemListBase.h
    created:    Sat Oct 29 2005
    author:     Tomas Lindquist Olsen
*************************************************************************/
/*************************************************************************
    Crazy Eddie's GUI System (http://www.cegui.org.uk)
    Copyright (C)2004 - 2005 Paul D Turner (paul@cegui.org.uk)

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2.1 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*************************************************************************/
#ifndef _CEGUIScrolledItemListBase_h_
#define _CEGUIScrolledItemListBase_h_

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

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

/*!
\brief
    ScrolledItemListBase window class
*/
class CEGUIEXPORT ScrolledItemListBase : public ItemListBase
{
public:
    static const String EventNamespace; //!< Namespace for global events

    /************************************************************************
        Constants
    *************************************************************************/
    static const String VertScrollbarNameSuffix; //!< Name suffix for vertical scrollbar component
    static const String HorzScrollbarNameSuffix; //!< Name suffix for horizontal scrollbar component
    static const String ContentPaneNameSuffix;   //!< Name suffix for the content pane component

    static const String EventVertScrollbarModeChanged; //!< Event fired when the vertical scroll bar mode changes.
    static const String EventHorzScrollbarModeChanged; //!< Event fired when the horizontal scroll bar mode change.

    /************************************************************************
        Accessors
    *************************************************************************/
    /*!
    \brief
        Returns whether the vertical scrollbar is being forced visible. Despite content size.
    */
    bool isVertScrollbarAlwaysShown(void) const {return d_forceVScroll;}

    /*!
    \brief
        Returns whether the horizontal scrollbar is being forced visible. Despite content size.
    */
    bool isHorzScrollbarAlwaysShown(void) const {return d_forceHScroll;}

    /*!
    \brief
        Get the vertical scrollbar component attached to this window.
    */
    Scrollbar* getVertScrollbar() const;

    /*!
    \brief
        Get the horizontal scrollbar component attached to this window.
    */
    Scrollbar* getHorzScrollbar() const;

    /************************************************************************
        Manipulators
    *************************************************************************/
    /*!
    \brief
        Sets whether the vertical scrollbar should be forced visible. Despite content size.
    */
    void setShowVertScrollbar(bool mode);

    /*!
    \brief
        Sets whether the horizontal scrollbar should be forced visible. Despite content size.
    */
    void setShowHorzScrollbar(bool mode);

    /************************************************************************
        Object Construction and Destruction
    *************************************************************************/
    /*!
    \brief
        Constructor for the ScrolledItemListBase base class constructor
    */
    ScrolledItemListBase(const String& type, const String& name);

    /*!
    \brief
        Destructor for the ScrolledItemListBase base class.
     */
    virtual ~ScrolledItemListBase(void);

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

protected:
    /************************************************************************
        Implementation functions
    ************************************************************************/
    /*!
    \brief
        Return whether this window was inherited from the given class name at some point in the inheritance hierarchy.

    \param class_name
        The class name that is to be checked.

    \return
        true if this window was inherited from \a class_name. false if not.
    */
    virtual bool testClassName_impl(const String& class_name) const
    {
        if (class_name=="ScrolledItemListBase")
        {
            return true;
        }
        return ItemListBase::testClassName_impl(class_name);
    }

    /*!
    \brief
        Configure scrollbars
    */
    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_
CEGUIScrolledItemListBase.h
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