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39 
40 #ifndef QDEVICEDISCOVERY_H
41 #define QDEVICEDISCOVERY_H
42 
43 //
44 //  W A R N I N G
45 //  -------------
46 //
47 // This file is not part of the Qt API.  It exists purely as an
48 // implementation detail.  This header file may change from version to
49 // version without notice, or even be removed.
50 //
51 // We mean it.
52 //
53 
54 #include <QObject>
55 #include <QSocketNotifier>
56 #include <QStringList>
57 
58 #define QT_EVDEV_DEVICE_PATH "/dev/input/"
59 #define QT_EVDEV_DEVICE_PREFIX "event"
60 #define QT_EVDEV_DEVICE QT_EVDEV_DEVICE_PATH QT_EVDEV_DEVICE_PREFIX
61 
62 #define QT_DRM_DEVICE_PATH "/dev/dri/"
63 #define QT_DRM_DEVICE_PREFIX "card"
64 #define QT_DRM_DEVICE QT_DRM_DEVICE_PATH QT_DRM_DEVICE_PREFIX
65 
66 QT_BEGIN_NAMESPACE
67 
68 class QDeviceDiscovery : public QObject
69 {
70     Q_OBJECT
71 
72 public:
73     enum QDeviceType {
74         Device_Unknown = 0x00,
75         Device_Mouse = 0x01,
76         Device_Touchpad = 0x02,
77         Device_Touchscreen = 0x04,
78         Device_Keyboard = 0x08,
79         Device_DRM = 0x10,
80         Device_DRM_PrimaryGPU = 0x20,
81         Device_Tablet = 0x40,
82         Device_Joystick = 0x80,
83         Device_InputMask = Device_Mouse | Device_Touchpad | Device_Touchscreen | Device_Keyboard | Device_Tablet | Device_Joystick,
84         Device_VideoMask = Device_DRM
85     };
86     Q_ENUM(QDeviceType)
87     Q_DECLARE_FLAGS(QDeviceTypes, QDeviceType)
88 
89     static QDeviceDiscovery *create(QDeviceTypes type, QObject *parent = nullptr);
90 
91     virtual QStringList scanConnectedDevices() = 0;
92 
93 signals:
94     void deviceDetected(const QString &deviceNode);
95     void deviceRemoved(const QString &deviceNode);
96 
97 protected:
QDeviceDiscovery(QDeviceTypes types,QObject * parent)98     QDeviceDiscovery(QDeviceTypes types, QObject *parent) : QObject(parent), m_types(types) { }
99     Q_DISABLE_COPY_MOVE(QDeviceDiscovery)
100 
101     QDeviceTypes m_types;
102 };
103 
104 Q_DECLARE_OPERATORS_FOR_FLAGS(QDeviceDiscovery::QDeviceTypes)
105 
106 QT_END_NAMESPACE
107 
108 #endif // QDEVICEDISCOVERY_H
109