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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (the "License"); you may not use this file
* except in compliance with the License. You may obtain a copy of
* the License at http://www.apache.org/licenses/LICENSE-2.0 .
*/
#ifndef INCLUDED_SLIDESHOW_SOURCE_INC_MOUSEEVENTHANDLER_HXX
#define INCLUDED_SLIDESHOW_SOURCE_INC_MOUSEEVENTHANDLER_HXX
#include <boost/shared_ptr.hpp>
namespace com { namespace sun { namespace star { namespace awt
{
struct MouseEvent;
} } } }
/* Definition of MouseEventHandler interface */
namespace slideshow
{
namespace internal
{
/** Interface for handling mouse events.
Classes implementing this interface can be added to an
EventMultiplexer object, and are called from there to
handle mouse events.
*/
class MouseEventHandler
{
public:
virtual ~MouseEventHandler() {}
/** Handle a mouse button pressed event.
@param e
The mouse event that occurred. The x,y coordinates of
the event are already transformed back to user
coordinate space, taking the inverse transform of the
view in which the event occurred.
@return true, if this handler has successfully
processed the mouse event. When this method returns
false, possibly other, less prioritized handlers can be
called, too.
*/
virtual bool handleMousePressed( const ::com::sun::star::awt::MouseEvent& e ) = 0;
/** Handle a mouse button released event.
@param e
The mouse event that occurred. The x,y coordinates of
the event are already transformed back to user
coordinate space, taking the inverse transform of the
view in which the event occurred.
@return true, if this handler has successfully
processed the pause event. When this method returns
false, possibly other, less prioritized handlers are
called, too.
*/
virtual bool handleMouseReleased( const ::com::sun::star::awt::MouseEvent& e ) = 0;
/** Handle a mouse entered the view event.
@param e
The mouse event that occurred. The x,y coordinates of
the event are already transformed back to user
coordinate space, taking the inverse transform of the
view in which the event occurred.
@return true, if this handler has successfully
processed the pause event. When this method returns
false, possibly other, less prioritized handlers are
called, too.
*/
virtual bool handleMouseEntered( const ::com::sun::star::awt::MouseEvent& e ) = 0;
/** Handle a mouse exited the view event.
@param e
The mouse event that occurred. The x,y coordinates of
the event are already transformed back to user
coordinate space, taking the inverse transform of the
view in which the event occurred.
@return true, if this handler has successfully
processed the pause event. When this method returns
false, possibly other, less prioritized handlers are
called, too.
*/
virtual bool handleMouseExited( const ::com::sun::star::awt::MouseEvent& e ) = 0;
/** Handle a mouse was moved with a pressed button event.
@param e
The mouse event that occurred. The x,y coordinates of
the event are already transformed back to user
coordinate space, taking the inverse transform of the
view in which the event occurred.
@return true, if this handler has successfully
processed the pause event. When this method returns
false, possibly other, less prioritized handlers are
called, too.
*/
virtual bool handleMouseDragged( const ::com::sun::star::awt::MouseEvent& e ) = 0;
/** Handle a mouse was moved event.
@param e
The mouse event that occurred. The x,y coordinates of
the event are already transformed back to user
coordinate space, taking the inverse transform of the
view in which the event occurred.
@return true, if this handler has successfully
processed the pause event. When this method returns
false, possibly other, less prioritized handlers are
called, too.
*/
virtual bool handleMouseMoved( const ::com::sun::star::awt::MouseEvent& e ) = 0;
};
typedef ::boost::shared_ptr< MouseEventHandler > MouseEventHandlerSharedPtr;
}
}
#endif // INCLUDED_SLIDESHOW_SOURCE_INC_MOUSEEVENTHANDLER_HXX
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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