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mouselistener.hpp

/*      _______   __   __   __   ______   __   __   _______   __   __
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 *
 * Copyright (c) 2004, 2005, 2006, 2007 Olof Naessén and Per Larsson
 *
 *                                                         Js_./
 * Per Larsson a.k.a finalman                          _RqZ{a<^_aa
 * Olof Naessén a.k.a jansem/yakslem                _asww7!uY`>  )\a//
 *                                                 _Qhm`] _f "'c  1!5m
 * Visit: http://guichan.darkbits.org             )Qk<P ` _: :+' .'  "{[
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 */

#ifndef GCN_MOUSELISTENER_HPP
#define GCN_MOUSELISTENER_HPP

#include "guichan/mouseevent.hpp"
#include "guichan/platform.hpp"

namespace gcn
{
    /**
     * Mouse listeners base class. Inorder to use this class you must inherit
     * from it and implements it's functions. MouseListeners listen for mouse
     * events on a Widgets. When a Widget recives a mouse event, the
     * corresponding function in all it's mouse listeners will be called.
     *
     * @see Widget::addMouseListener
     */
00073     class GCN_CORE_DECLSPEC MouseListener
    {
    public:

        /**
         * Destructor.
         */
00080         virtual ~MouseListener() { }

        /**
         * Called when the mouse has entered into the widget area.
         *
         * @param mouseEvent describes the event.
         * @since 0.6.0
         */
00088         virtual void mouseEntered(MouseEvent& mouseEvent)
        {

        }

        /**
         * Called when the mouse has exited the widget area.
         *
         * @param mouseEvent describes the event.
         */
00098         virtual void mouseExited(MouseEvent& mouseEvent)
        {

        }

        /**
         * Called when a mouse button has been pressed on the widget area.
         *
         * NOTE: A mouse press is NOT equal to a mouse click.
         *       Use mouseClickMessage to check for mouse clicks.
         *
         * @param mouseEvent describes the event.
         * @since 0.6.0
         */
00112         virtual void mousePressed(MouseEvent& mouseEvent)
        {

        }

        /**
         * Called when a mouse button has been released on the widget area.
         *
         * @param mouseEvent describes the event.
         */
00122         virtual void mouseReleased(MouseEvent& mouseEvent)
        {

        }

        /**
         * Called when a mouse button is pressed and released (clicked) on
         * the widget area.
         *
         * @param mouseEvent describes the event.
         * @since 0.6.0
         */
00134         virtual void mouseClicked(MouseEvent& mouseEvent)
        {

        }

        /**
         * Called when the mouse wheel has moved up on the widget area.
         *
         * @param mouseEvent describes the event.
         * @since 0.6.0
         */
00145         virtual void mouseWheelMovedUp(MouseEvent& mouseEvent)
        {

        }

        /**
         * Called when the mouse wheel has moved down on the widget area.
         *
         * @param mousEvent describes the event.
         * @since 0.6.0
         */
00156         virtual void mouseWheelMovedDown(MouseEvent& mouseEvent)
        {

        }

        /**
         * Called when the mouse has moved in the widget area and no mouse button
         * has been pressed (i.e no widget is being dragged).
         *
         * @param mouseEvent describes the event.
         * @since 0.6.0
         */
00168         virtual void mouseMoved(MouseEvent& mouseEvent)
        {

        }

        /**
         * Called when the mouse has moved and the mouse has previously been
         * pressed on the widget.
         *
         * @param mouseEvent describes the event.
         * @since 0.6.0
         */
00180         virtual void mouseDragged(MouseEvent& mouseEvent)
        {

        }

    protected:
        /**
         * Constructor.
         *
         * You should not be able to make an instance of MouseListener,
         * therefore its constructor is protected. To use MouseListener
         * you must inherit from this class and implement it's
         * functions.
         */
00194         MouseListener() { }
    };
}

#endif // end GCN_MOUSELISTENER_HPP

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