blender/intern/ghost/GHOST_IEvent.hh
2023-08-02 00:21:44 +10:00

63 lines
1.5 KiB
C++

/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
*
* SPDX-License-Identifier: GPL-2.0-or-later */
/** \file
* \ingroup GHOST
* Declaration of GHOST_IEvent interface class.
*/
#pragma once
#include "GHOST_Types.h"
#include <stddef.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 data structure.
* \see GHOST_IEventConsumer#processEvent
* \see GHOST_TEventType
*/
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 uint64_t getTime() = 0;
/**
* Returns the window this event was generated on,
* or nullptr if it is a 'system' event.
* \return The generating window.
*/
virtual GHOST_IWindow *getWindow() = 0;
/**
* Returns the event data.
* \return The event data.
*/
virtual GHOST_TEventDataPtr getData() = 0;
#ifdef WITH_CXX_GUARDEDALLOC
MEM_CXX_CLASS_ALLOC_FUNCS("GHOST:GHOST_IEvent")
#endif
};