blender/intern/ghost/GHOST_IEvent.h

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/*
* ***** BEGIN GPL LICENSE BLOCK *****
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*
* 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 (at your option) any later version.
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*
* 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, 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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*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL LICENSE BLOCK *****
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*/
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/** \file ghost/GHOST_IEvent.h
* \ingroup GHOST
* Declaration of GHOST_IEvent interface class.
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*/
#ifndef __GHOST_IEVENT_H__
#define __GHOST_IEVENT_H__
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#include <stddef.h>
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#include "GHOST_Types.h"
class GHOST_IWindow;
/**
* Interface class for events received from GHOST.
* You should not need to inherit this class. The system will pass these events
* to the GHOST_IEventConsumer::processEvent() method of event consumers.<br>
* Use the getType() method to retrieve the type of event and the getData()
* method to get the event data out. Using the event type you can cast the
* event data to the correct event dat structure.
* @see GHOST_IEventConsumer#processEvent
* @see GHOST_TEventType
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* @author Maarten Gribnau
* @date May 31, 2001
*/
class GHOST_IEvent
{
public:
/**
* Destructor.
*/
virtual ~GHOST_IEvent()
{
}
/**
* Returns the event type.
* @return The event type.
*/
virtual GHOST_TEventType getType() = 0;
/**
* Returns the time this event was generated.
* @return The event generation time.
*/
virtual GHOST_TUns64 getTime() = 0;
/**
* Returns the window this event was generated on,
* or NULL if it is a 'system' event.
* @return The generating window.
*/
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virtual GHOST_IWindow *getWindow() = 0;
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/**
* Returns the event data.
* @return The event data.
*/
virtual GHOST_TEventDataPtr getData() = 0;
#ifdef WITH_CXX_GUARDEDALLOC
public:
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void *operator new(size_t num_bytes) {
return MEM_mallocN(num_bytes, "GHOST:GHOST_IEvent");
}
void operator delete(void *mem) {
MEM_freeN(mem);
}
#endif
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};
#endif // __GHOST_IEVENT_H__