GHOST_EventManager.hh

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/* SPDX-FileCopyrightText: 2001-2002 NaN Holding BV. All rights reserved.
 *
 * SPDX-License-Identifier: GPL-2.0-or-later */

 
#pragma once
 
#include <deque>
#include <vector>
 
#include "GHOST_IEventConsumer.hh"

class GHOST_EventManager {
 public:
  GHOST_EventManager();

  ~GHOST_EventManager();

  uint32_t getNumEvents();

  uint32_t getNumEvents(GHOST_TEventType type);

  GHOST_TSuccess pushEvent(const GHOST_IEvent *event);

  void dispatchEvent(const GHOST_IEvent *event);

  void dispatchEvent();

  void dispatchEvents();

  GHOST_TSuccess addConsumer(GHOST_IEventConsumer *consumer);

  GHOST_TSuccess removeConsumer(GHOST_IEventConsumer *consumer);

  void removeWindowEvents(const GHOST_IWindow *window);

  void removeTypeEvents(GHOST_TEventType type, const GHOST_IWindow *window = nullptr);
 
 protected:
  void disposeEvents();

  using TEventStack = std::deque<const GHOST_IEvent *>;

  std::deque<const GHOST_IEvent *> events_;
  std::deque<const GHOST_IEvent *> handled_events_;

  using TConsumerVector = std::vector<GHOST_IEventConsumer *>;

  TConsumerVector consumers_;
 
  MEM_CXX_CLASS_ALLOC_FUNCS("GHOST:GHOST_EventManager")
};