/*

 * Hedgewars, a free turn based strategy game

 * Copyright (c) 2004-2019 Andrey Korotaev <unC0Rr@gmail.com>

 *

 * 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; version 2 of the License

 *

 * 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, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA

 */

/**

 * @file

 * @brief KeyMap class definition

 */

#ifndef HEDGEWARS_KEYMAP_H

#define HEDGEWARS_KEYMAP_H

#include <QFile>

#include <QHash>

#include "SDL.h"

class KeyMap

{

    public:

        /**

         * @brief Returns reference to the <i>singleton</i> instance of this class.

         *

         * @see <a href="https://en.wikipedia.org/wiki/Singleton_pattern">singleton pattern</a>

         *

         * @return reference to the instance.

         */

        static KeyMap & instance();

        SDL_Scancode getScancodeFromKeyname(QString keyname);

        QString getKeynameFromScancode(int scancode);

        QString getKeynameFromScancodeConverted(int scancode);

        QString getKeynameFromKeycode(int keycode);

    private:

        // TODO: Optimize data structures

        QHash<SDL_Scancode, QString> mapOfKeynames;

        QHash<QString, SDL_Scancode> mapOfScancodes;

        bool getKeyMap();

        bool keyMapGenerated = false;

};

#endif // HEDGEWARS_KEYMAP_H