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36
37#ifndef QEVDEVGAMEPADBACKEND_P_H
38#define QEVDEVGAMEPADBACKEND_P_H
39
40#include <QtGamepad/QGamepadManager>
41#include <QtGamepad/private/qgamepadbackend_p.h>
42#include <QtCore/QHash>
43#include <QtCore/QVector>
44
45struct input_event;
46
47QT_BEGIN_NAMESPACE
48
49class QSocketNotifier;
50class QDeviceDiscovery;
51class QEvdevGamepadBackend;
52
53class QEvdevGamepadDevice : public QObject
54{
55 Q_OBJECT
56
57public:
58 QEvdevGamepadDevice(const QByteArray &dev, QEvdevGamepadBackend *backend);
59 ~QEvdevGamepadDevice();
60 QByteArray deviceName() const { return m_dev; }
61 int deviceId() const { return m_productId; }
62 void resetConfiguration();
63 bool isConfigurationNeeded();
64 bool configureButton(QGamepadManager::GamepadButton button);
65 bool configureAxis(QGamepadManager::GamepadAxis axis);
66 bool setCancelConfigureButton(QGamepadManager::GamepadButton button);
67
68private Q_SLOTS:
69 void readData();
70
71private:
72 void saveData();
73 void processInputEvent(input_event *e);
74 bool openDevice(const QByteArray &dev);
75
76 QByteArray m_dev;
77 QEvdevGamepadBackend *m_backend;
78 int m_fd;
79 int m_productId;
80 bool m_needsConfigure;
81 QSocketNotifier *m_notifier;
82 struct EvdevAxisInfo : public QGamepadBackend::AxisInfo<int>
83 {
84 EvdevAxisInfo();
85 EvdevAxisInfo(int fd, quint16 abs, int minValue = 0, int maxValue = 1, QGamepadManager::GamepadAxis gamepadAxis = QGamepadManager::AxisInvalid);
86 double normalized(int value) const;
87 void setAbsInfo(int fd, int abs);
88 void restoreSavedData(int fd, int abs, const QVariantMap &value);
89 QVariantMap dataToSave() const;
90 double flat;
91 QGamepadManager::GamepadButton gamepadMinButton;
92 QGamepadManager::GamepadButton gamepadMaxButton;
93 QGamepadManager::GamepadButton gamepadLastButton;
94 };
95 typedef QHash<int, EvdevAxisInfo> AxisMap;
96 AxisMap m_axisMap;
97
98 friend QDebug operator<<(QDebug dbg, const QEvdevGamepadDevice::EvdevAxisInfo &axisInfo);
99
100 typedef QHash<int, QGamepadManager::GamepadButton> ButtonsMap;
101 ButtonsMap m_buttonsMap;
102
103 QGamepadManager::GamepadButton m_configureButton;
104 QGamepadManager::GamepadAxis m_configureAxis;
105 QGamepadManager::GamepadButton m_configureCancelButton;
106};
107
108QDebug operator<<(QDebug dbg, const QEvdevGamepadDevice::EvdevAxisInfo &axisInfo);
109
110class QEvdevGamepadBackend : public QGamepadBackend
111{
112 Q_OBJECT
113
114public:
115 QEvdevGamepadBackend();
116 bool start() override;
117 void stop() override;
118 void resetConfiguration(int deviceId) override;
119 bool isConfigurationNeeded(int deviceId) override;
120 bool configureButton(int deviceId, QGamepadManager::GamepadButton button) override;
121 bool configureAxis(int deviceId, QGamepadManager::GamepadAxis axis) override;
122 bool setCancelConfigureButton(int deviceId, QGamepadManager::GamepadButton button) override;
123
124private slots:
125 void handleAddedDevice(const QString &device);
126 void handleRemovedDevice(const QString &device);
127
128private:
129 QEvdevGamepadDevice *newDevice(const QByteArray &device);
130 QEvdevGamepadDevice *device(int deviceId);
131
132 QDeviceDiscovery *m_discovery;
133 QVector<QEvdevGamepadDevice *> m_devices;
134};
135
136QT_END_NAMESPACE
137
138#endif // QEVDEVGAMEPADBACKEND_P_H
139

source code of qtgamepad/src/plugins/gamepads/evdev/qevdevgamepadbackend_p.h