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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/***************************************************************************
* eventhandler.h
*
* Sun Oct 9 18:58:29 CEST 2011
* Copyright 2011 Bent Bisballe Nyeng
* deva@aasimon.org
****************************************************************************/
/*
* This file is part of DrumGizmo.
*
* DrumGizmo is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* DrumGizmo 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with DrumGizmo; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
*/
#pragma once
#include <notifier.h>
#include <memory>
#include <queue>
#include "guievent.h"
#include "nativewindow.h"
namespace GUI
{
class Window;
class EventHandler
{
public:
EventHandler(NativeWindow& nativeWindow, Window& window);
//! \brief Process all events currently in the event queue.
void processEvents();
//! \brief Query if any events are currently in the event queue.
bool hasEvent();
//! \brief Get a single event from the event queue.
//! \return A pointer to the event or nullptr if there are none.
std::shared_ptr<Event> getNextEvent();
//! \brief Get a single event from the event queue without popping it.
//! \return A pointer to the event or nullptr if there are none.
std::shared_ptr<Event> peekNextEvent();
Notifier<> closeNotifier;
private:
Window& window;
NativeWindow& nativeWindow;
// Used to ignore mouse button release after a double click.
bool lastWasDoubleClick;
EventQueue events;
};
} // GUI::
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