QTfrontend/util/KeyMap.h
author alfadur
Sun, 28 Jun 2020 20:34:06 +0300
changeset 15646 c2a1a34d1841
parent 14848 bb412d8e435f
permissions -rw-r--r--
refactor collision tests
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/*
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 * Hedgewars, a free turn based strategy game
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 * Copyright (c) 2004-2019 Andrey Korotaev <unC0Rr@gmail.com>
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 *
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 * This program is free software; you can redistribute it and/or modify
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 * it under the terms of the GNU General Public License as published by
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 * the Free Software Foundation; version 2 of the License
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 *
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 * This program is distributed in the hope that it will be useful,
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 * but WITHOUT ANY WARRANTY; without even the implied warranty of
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 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 * GNU General Public License for more details.
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 *
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 * You should have received a copy of the GNU General Public License
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 * along with this program; if not, write to the Free Software
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 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
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 */
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/**
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 * @file
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 * @brief KeyMap class definition
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 */
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#ifndef HEDGEWARS_KEYMAP_H
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#define HEDGEWARS_KEYMAP_H
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#include <QFile>
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#include <QHash>
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#include "SDL.h"
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class KeyMap
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{
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    public:
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        /**
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         * @brief Returns reference to the <i>singleton</i> instance of this class.
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         *
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         * @see <a href="https://en.wikipedia.org/wiki/Singleton_pattern">singleton pattern</a>
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         *
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         * @return reference to the instance.
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         */
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        static KeyMap & instance();
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        SDL_Scancode getScancodeFromKeyname(QString keyname);
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        QString getKeynameFromScancode(int scancode);
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        QString getKeynameFromScancodeConverted(int scancode);
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        QString getKeynameFromKeycode(int keycode);
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    private:
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        // TODO: Optimize data structures
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        QHash<SDL_Scancode, QString> mapOfKeynames;
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        QHash<QString, SDL_Scancode> mapOfScancodes;
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        bool getKeyMap();
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        bool keyMapGenerated = false;
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};
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#endif // HEDGEWARS_KEYMAP_H