e12c08e8d1
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61 lines
1.9 KiB
C++
61 lines
1.9 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
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* All rights reserved.
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*/
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/** \file
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* \ingroup GHOST
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* Declaration of GHOST_IEventConsumer interface class.
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*/
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#ifndef __GHOST_IEVENTCONSUMER_H__
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#define __GHOST_IEVENTCONSUMER_H__
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#include "GHOST_IEvent.h"
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/**
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* Interface class for objects interested in receiving events.
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* Objects interested in events should inherit this class and implement the
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* processEvent() method. They should then be registered with the system that
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* they want to receive events. The system will call the processEvent() method
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* for every installed event consumer to pass events.
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* \see GHOST_ISystem#addEventConsumer
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*/
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class GHOST_IEventConsumer {
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public:
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/**
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* Destructor.
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*/
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virtual ~GHOST_IEventConsumer()
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{
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}
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/**
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* This method is called by the system when it has events to dispatch.
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* \see GHOST_ISystem#dispatchEvents
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* \param event The event that can be handled or ignored.
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* \return Indication as to whether the event was handled.
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*/
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virtual bool processEvent(GHOST_IEvent *event) = 0;
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#ifdef WITH_CXX_GUARDEDALLOC
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MEM_CXX_CLASS_ALLOC_FUNCS("GHOST:GHOST_IEventConsumer")
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#endif
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};
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#endif /* __GHOST_IEVENTCONSUMER_H__ */
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