Keyboard.h

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM 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 3 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.  If not, see <http://www.gnu.org/licenses/>.
 *
 */

/*
 * Copyright (C) 2006-2010 - Frictional Games
 *
 * This file is part of HPL1 Engine.
 */

#ifndef HPL_KEYBOARD_H
#define HPL_KEYBOARD_H

#include "common/bitarray.h"
#include "common/keyboard.h"
#include "common/queue.h"
#include "hpl1/engine/input/InputDevice.h"
#include "hpl1/engine/input/InputTypes.h"

namespace Common {
struct Event;
}

namespace hpl {

class LowLevelInput;

class Keyboard : public iInputDevice {
public:
    Keyboard(LowLevelInput *);

    bool KeyIsDown(Common::KeyCode aKey);
    Common::KeyState GetKey();
    bool KeyIsPressed();
    int GetModifier();
    tString KeyToString(Common::KeyCode eKey);
    Common::KeyCode StringToKey(tString);

    void Update();

private:
    void processEvent(const Common::Event &ev);

    int _modifiers;
    Common::BitArray _downKeys;
    Common::Queue<Common::KeyState> _pressedKeys;
    LowLevelInput *_lowLevelSystem;
};

} // namespace hpl

#endif // HPL_KEYBOARD_H