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/*
* The ManaPlus Client
* Copyright (C) 2011-2019 The ManaPlus Developers
*
* This file is part of The ManaPlus Client.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/* _______ __ __ __ ______ __ __ _______ __ __
* / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\
* / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / /
* / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / /
* / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / /
* /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ /
* \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/
*
* Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson
*
*
* Per Larsson a.k.a finalman
* Olof Naessén a.k.a jansem/yakslem
*
* Visit: http://guichan.sourceforge.net
*
* License: (BSD)
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name of Guichan nor the names of its contributors may
* be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
* TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef LISTENERS_MOUSELISTENER_H
#define LISTENERS_MOUSELISTENER_H
#include "events/mouseevent.h"
#include "localconsts.h"
/**
* Interface for listening for mouse events from widgets.
*
* @see Widget::addMouseListener, Widget::removeMouseListener
*/
class MouseListener notfinal
{
public:
A_DELETE_COPY(MouseListener)
/**
* Destructor.
*/
virtual ~MouseListener()
{ }
/**
* Called when the mouse has entered into the widget area.
*
* @param event Describes the event.
*/
virtual void mouseEntered(MouseEvent &event A_UNUSED)
{
}
/**
* Called when the mouse has exited the widget area.
*
* @param event Describes the event.
*/
virtual void mouseExited(MouseEvent &event A_UNUSED)
{
}
/**
* 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 event Describes the event.
*/
virtual void mousePressed(MouseEvent &event A_UNUSED)
{
}
/**
* Called when a mouse button has been released on the widget area.
*
* @param event Describes the event.
*/
virtual void mouseReleased(MouseEvent &event A_UNUSED)
{
}
/**
* Called when a mouse button is pressed and released (clicked) on
* the widget area.
*
* @param event Describes the event.
*/
virtual void mouseClicked(MouseEvent &event A_UNUSED)
{
}
/**
* Called when the mouse wheel has moved up on the widget area.
*
* @param event Describes the event.
*/
virtual void mouseWheelMovedUp(MouseEvent &event A_UNUSED)
{
}
/**
* Called when the mouse wheel has moved down on the widget area.
*
* @param event Describes the event.
*/
virtual void mouseWheelMovedDown(MouseEvent &event A_UNUSED)
{
}
/**
* 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 event Describes the event.
*/
virtual void mouseMoved(MouseEvent &event A_UNUSED)
{
}
/**
* Called when the mouse has moved and the mouse has previously been
* pressed on the widget.
*
* @param event Describes the event.
*/
virtual void mouseDragged(MouseEvent &event A_UNUSED)
{
}
protected:
/**
* Constructor.
*
* You should not be able to make an instance of MouseListener,
* therefore its constructor is protected.
*/
MouseListener()
{ }
};
#endif // LISTENERS_MOUSELISTENER_H
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