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diff --git a/src/menu/event_manager.hpp b/src/menu/event_manager.hpp
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+/*
+ * UltraStar Deluxe - Karaoke Game
+ *
+ * UltraStar Deluxe is the legal property of its developers, whose names
+ * are too numerous to list here. Please refer to the COPYRIGHT
+ * file distributed with this source distribution.
+ *
+ * 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.
+ *
+ * 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; see the file COPYING. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ *
+ * $URL$
+ * $Id$
+ */
+
+#ifndef EVENT_MANAGER_HPP
+#define EVENT_MANAGER_HPP
+
+#include <SDL/SDL.h>
+
+#include <boost/bind.hpp>
+#include <boost/circular_buffer.hpp>
+#include <boost/progress.hpp>
+#include <boost/shared_ptr.hpp>
+#include <boost/thread/condition.hpp>
+#include <boost/thread/mutex.hpp>
+#include <boost/thread/thread.hpp>
+
+#include <log4cxx/logger.h>
+
+namespace usdx
+{
+	/**
+	 * This class is the junction point between the SDL Thread (with the SDL
+	 * main loop) and the event thread. The EventManager buffers the SDL
+	 * Events until the thread has time to handle the events. Because one
+	 * thread pushes the events and an other thread is reading the access to
+	 * the buffer have to be mutual exclusive.
+	 */
+	class EventManager
+	{
+	private:
+		static log4cxx::LoggerPtr log;
+
+		EventManager(const EventManager&);		//< no copy
+		EventManager& operator=(const EventManager&);	//< no assignment
+
+		/**
+		 * Type of the buffer for the Events.
+		 */
+		typedef boost::circular_buffer<const SDL_Event*> buffer_type;
+
+		/**
+		 * Buffer to store the events.
+		 */
+		buffer_type buffer;
+
+		/**
+		 * How many events currently waiting to getting handled.
+		 */
+		buffer_type::size_type waiting;
+
+		/**
+		 * Mutex to guaranty the mutual exclusion between the multiple
+		 * threads.
+		 */
+		boost::mutex mutex;
+
+		boost::condition not_empty;
+		boost::condition not_full;
+
+		/**
+		 * Returns if the buffer is contains at least one element or
+		 * not.
+		 * This functions is not thread-safe! Intended to use as
+		 * condition for boost::condition#wait.
+		 */
+		bool is_not_empty() const;
+
+		/**
+		 * Returns if the buffer has at least space for one element left
+		 * or not.
+		 * This functions is not thread-safe! Intended to use as
+		 * condition for boost::condition#wait.
+		 */
+		bool is_not_full() const;
+
+		/**
+		 * This function is used to get the next event from the
+		 * buffer. If no event is waiting, this method blocks until
+		 * there is one event available.
+		 */
+		void get_next_event(SDL_Event& event);
+
+	public:
+		EventManager(int capacity = 20);
+		virtual ~EventManager();
+
+		void add_event(const SDL_Event& item);
+
+		/**
+		 * This function is intended to be used as separate thread. It
+		 * will run forever until for example a
+		 * boost::thread_interrupted is thrown.
+		 */
+		void handle_events(void);
+
+		/**
+		 * This function returns (thread-safe) weather there is space in
+		 * left the buffer for a new element or not.
+		 */
+		bool available(void);
+	};
+};
+
+
+#endif