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////////////////////////////////////////////////////////////
//
// SFML - Simple and Fast Multimedia Library
// Copyright (C) 2007-2015 Laurent Gomila (laurent@sfml-dev.org)
//
// This software is provided 'as-is', without any express or implied warranty.
// In no event will the authors be held liable for any damages arising from the use of this software.
//
// Permission is granted to anyone to use this software for any purpose,
// including commercial applications, and to alter it and redistribute it freely,
// subject to the following restrictions:
//
// 1. The origin of this software must not be misrepresented;
// you must not claim that you wrote the original software.
// If you use this software in a product, an acknowledgment
// in the product documentation would be appreciated but is not required.
//
// 2. Altered source versions must be plainly marked as such,
// and must not be misrepresented as being the original software.
//
// 3. This notice may not be removed or altered from any source distribution.
//
////////////////////////////////////////////////////////////
#ifndef SFML_JOYSTICKIMPLLINUX_HPP
#define SFML_JOYSTICKIMPLLINUX_HPP
////////////////////////////////////////////////////////////
// Headers
////////////////////////////////////////////////////////////
#include <SFML/Window/JoystickImpl.hpp>
#include <linux/input.h>
namespace sf
{
namespace priv
{
////////////////////////////////////////////////////////////
/// \brief Linux implementation of joysticks
///
////////////////////////////////////////////////////////////
class JoystickImpl
{
public:
////////////////////////////////////////////////////////////
/// \brief Perform the global initialization of the joystick module
///
////////////////////////////////////////////////////////////
static void initialize();
////////////////////////////////////////////////////////////
/// \brief Perform the global cleanup of the joystick module
///
////////////////////////////////////////////////////////////
static void cleanup();
////////////////////////////////////////////////////////////
/// \brief Check if a joystick is currently connected
///
/// \param index Index of the joystick to check
///
/// \return True if the joystick is connected, false otherwise
///
////////////////////////////////////////////////////////////
static bool isConnected(unsigned int index);
////////////////////////////////////////////////////////////
/// \brief Open the joystick
///
/// \param index Index assigned to the joystick
///
/// \return True on success, false on failure
///
////////////////////////////////////////////////////////////
bool open(unsigned int index);
////////////////////////////////////////////////////////////
/// \brief Close the joystick
///
////////////////////////////////////////////////////////////
void close();
////////////////////////////////////////////////////////////
/// \brief Get the joystick capabilities
///
/// \return Joystick capabilities
///
////////////////////////////////////////////////////////////
JoystickCaps getCapabilities() const;
////////////////////////////////////////////////////////////
/// \brief Get the joystick identification
///
/// \return Joystick identification
///
////////////////////////////////////////////////////////////
Joystick::Identification getIdentification() const;
////////////////////////////////////////////////////////////
/// \brief Update the joystick and get its new state
///
/// \return Joystick state
///
////////////////////////////////////////////////////////////
JoystickState update();
private:
////////////////////////////////////////////////////////////
// Member data
////////////////////////////////////////////////////////////
int m_file; ///< File descriptor of the joystick
char m_mapping[ABS_MAX + 1]; ///< Axes mapping (index to axis id)
JoystickState m_state; ///< Current state of the joystick
sf::Joystick::Identification m_identification; ///< Identification of the joystick
};
} // namespace priv
} // namespace sf
#endif // SFML_JOYSTICKIMPLLINUX_HPP
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