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39
40#ifndef QLIBINPUTTOUCH_P_H
41#define QLIBINPUTTOUCH_P_H
42
43#include <QtCore/QHash>
44#include <QtCore/QList>
45#include <QtCore/QPointer>
46#include <qpa/qwindowsysteminterface.h>
47
48//
49// W A R N I N G
50// -------------
51//
52// This file is not part of the Qt API. It exists purely as an
53// implementation detail. This header file may change from version to
54// version without notice, or even be removed.
55//
56// We mean it.
57//
58
59struct libinput_event_touch;
60struct libinput_device;
61
62QT_BEGIN_NAMESPACE
63
64class QScreen;
65class QLibInputTouch
66{
67public:
68 void registerDevice(libinput_device *dev);
69 void unregisterDevice(libinput_device *dev);
70 void processTouchDown(libinput_event_touch *e);
71 void processTouchMotion(libinput_event_touch *e);
72 void processTouchUp(libinput_event_touch *e);
73 void processTouchCancel(libinput_event_touch *e);
74 void processTouchFrame(libinput_event_touch *e);
75
76private:
77 struct DeviceState {
78 DeviceState() : m_touchDevice(nullptr), m_screenName() { }
79 QWindowSystemInterface::TouchPoint *point(int32_t slot);
80 QList<QWindowSystemInterface::TouchPoint> m_points;
81 QTouchDevice *m_touchDevice;
82 QString m_screenName;
83 };
84
85 DeviceState *deviceState(libinput_event_touch *e);
86 QPointF getPos(libinput_event_touch *e);
87
88 QHash<libinput_device *, DeviceState> m_devState;
89 mutable QPointer<QScreen> m_screen;
90};
91
92QT_END_NAMESPACE
93
94#endif
95

source code of qtbase/src/platformsupport/input/libinput/qlibinputtouch_p.h