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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
66QT_BEGIN_NAMESPACE
67
68class QDeviceDiscovery : public QObject
69{
70 Q_OBJECT
71
72public:
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
93signals:
94 void deviceDetected(const QString &deviceNode);
95 void deviceRemoved(const QString &deviceNode);
96
97protected:
98 QDeviceDiscovery(QDeviceTypes types, QObject *parent) : QObject(parent), m_types(types) { }
99 Q_DISABLE_COPY_MOVE(QDeviceDiscovery)
100
101 QDeviceTypes m_types;
102};
103
104Q_DECLARE_OPERATORS_FOR_FLAGS(QDeviceDiscovery::QDeviceTypes)
105
106QT_END_NAMESPACE
107
108#endif // QDEVICEDISCOVERY_H
109

source code of qtbase/src/platformsupport/devicediscovery/qdevicediscovery_p.h