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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the Qt Gamepad module
**
** $QT_BEGIN_LICENSE:LGPL3$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 3 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPLv3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 3 requirements
** will be met: https://www.gnu.org/licenses/lgpl.html.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 2.0 or later as published by the Free
** Software Foundation and appearing in the file LICENSE.GPL included in
** the packaging of this file. Please review the following information to
** ensure the GNU General Public License version 2.0 requirements will be
** met: http://www.gnu.org/licenses/gpl-2.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QEVDEVGAMEPADCONTROLLER_H
#define QEVDEVGAMEPADCONTROLLER_H
#include <QtGamepad/QGamepadManager>
#include <QtGamepad/private/qgamepadbackend_p.h>
#include <QtCore/QHash>
#include <QtCore/QVector>
struct input_event;
QT_BEGIN_NAMESPACE
class QSocketNotifier;
class QDeviceDiscovery;
class QEvdevGamepadBackend;
class QEvdevGamepadDevice : public QObject
{
Q_OBJECT
public:
QEvdevGamepadDevice(const QByteArray &dev, QEvdevGamepadBackend *backend);
~QEvdevGamepadDevice();
QByteArray deviceName() const { return m_dev; }
private slots:
void readData();
private:
void processInputEvent(input_event *e);
bool openDevice(const QByteArray &dev);
QByteArray m_dev;
QEvdevGamepadBackend *m_backend;
int m_index;
int m_fd;
QSocketNotifier *m_notifier;
struct AxisInfo {
AxisInfo() : minValue(0), maxValue(1) { }
AxisInfo(int minValue, int maxValue) : minValue(minValue), maxValue(maxValue) { }
double normalized(int value) const;
int minValue;
int maxValue;
};
QHash<int, AxisInfo> m_axisInfo;
QGamepadManager::GamepadButton m_prevYHatButton;
QGamepadManager::GamepadButton m_prevXHatButton;
friend QDebug operator<<(QDebug dbg, const QEvdevGamepadDevice::AxisInfo &axisInfo);
};
QDebug operator<<(QDebug dbg, const QEvdevGamepadDevice::AxisInfo &axisInfo);
class QEvdevGamepadBackend : public QGamepadBackend
{
Q_OBJECT
public:
QEvdevGamepadBackend();
bool start() Q_DECL_OVERRIDE;
void stop() Q_DECL_OVERRIDE;
int indexForDevice(const QByteArray &device);
private slots:
void handleAddedDevice(const QString &device);
void handleRemovedDevice(const QString &device);
private:
QEvdevGamepadDevice *newDevice(const QByteArray &device);
QDeviceDiscovery *m_discovery;
QVector<QEvdevGamepadDevice *> m_devices;
QHash<QByteArray, int> m_devIndex;
int m_nextIndex;
};
QT_END_NAMESPACE
#endif // QEVDEVGAMEPADCONTROLLER_H
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