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39
40#ifndef QEVDEVMOUSEHANDLER_P_H
41#define QEVDEVMOUSEHANDLER_P_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 <QString>
56#include <QPoint>
57#include <QEvent>
58
59#include <memory>
60
61QT_BEGIN_NAMESPACE
62
63class QSocketNotifier;
64
65class QEvdevMouseHandler : public QObject
66{
67 Q_OBJECT
68public:
69 static std::unique_ptr<QEvdevMouseHandler> create(const QString &device, const QString &specification);
70 ~QEvdevMouseHandler();
71
72 void readMouseData();
73
74signals:
75 void handleMouseEvent(int x, int y, bool abs, Qt::MouseButtons buttons,
76 Qt::MouseButton button, QEvent::Type type);
77 void handleWheelEvent(QPoint delta);
78
79private:
80 QEvdevMouseHandler(const QString &device, int fd, bool abs, bool compression, int jitterLimit);
81
82 void sendMouseEvent();
83 bool getHardwareMaximum();
84 void detectHiResWheelSupport();
85
86 QString m_device;
87 int m_fd;
88 QSocketNotifier *m_notify = nullptr;
89 int m_x = 0, m_y = 0;
90 int m_prevx = 0, m_prevy = 0;
91 bool m_abs;
92 bool m_compression;
93 bool m_hiResWheel = false;
94 bool m_hiResHWheel = false;
95 Qt::MouseButtons m_buttons;
96 Qt::MouseButton m_button;
97 QEvent::Type m_eventType;
98 int m_jitterLimitSquared;
99 bool m_prevInvalid = true;
100 int m_hardwareWidth;
101 int m_hardwareHeight;
102 qreal m_hardwareScalerY;
103 qreal m_hardwareScalerX;
104};
105
106QT_END_NAMESPACE
107
108#endif // QEVDEVMOUSEHANDLER_P_H
109