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40
41#ifndef QEVDEVTOUCHHANDLER_P_H
42#define QEVDEVTOUCHHANDLER_P_H
43
44//
45// W A R N I N G
46// -------------
47//
48// This file is not part of the Qt API. It exists purely as an
49// implementation detail. This header file may change from version to
50// version without notice, or even be removed.
51//
52// We mean it.
53//
54
55//#include <QtGui/qpointingdevice.h>
56#include <QtGui/private/qtguiglobal_p.h>
57#include <QObject>
58#include <QString>
59#include <QList>
60#include <QThread>
61#include <QtCore/private/qthread_p.h>
62#include <qpa/qwindowsysteminterface.h>
63#include "qevdevtouchfilter_p.h"
64
65#if QT_CONFIG(mtdev)
66struct mtdev;
67#endif
68
69QT_BEGIN_NAMESPACE
70
71class QSocketNotifier;
72class QEvdevTouchScreenData;
73class QPointingDevice;
74
75class QEvdevTouchScreenHandler : public QObject
76{
77 Q_OBJECT
78
79public:
80 explicit QEvdevTouchScreenHandler(const QString &device, const QString &spec = QString(), QObject *parent = nullptr);
81 ~QEvdevTouchScreenHandler();
82
83 QPointingDevice *touchDevice() const;
84
85 bool isFiltered() const;
86
87 void readData();
88
89signals:
90 void touchPointsUpdated();
91
92private:
93 friend class QEvdevTouchScreenData;
94 friend class QEvdevTouchScreenHandlerThread;
95
96 void registerPointingDevice();
97 void unregisterPointingDevice();
98
99 QSocketNotifier *m_notify;
100 int m_fd;
101 QEvdevTouchScreenData *d;
102 QPointingDevice *m_device;
103#if QT_CONFIG(mtdev)
104 mtdev *m_mtdev;
105#endif
106};
107
108class QEvdevTouchScreenHandlerThread : public QDaemonThread
109{
110 Q_OBJECT
111public:
112 explicit QEvdevTouchScreenHandlerThread(const QString &device, const QString &spec, QObject *parent = nullptr);
113 ~QEvdevTouchScreenHandlerThread();
114 void run() override;
115
116 bool isPointingDeviceRegistered() const;
117
118 bool eventFilter(QObject *object, QEvent *event) override;
119
120 void scheduleTouchPointUpdate();
121
122signals:
123 void touchDeviceRegistered();
124
125private:
126 Q_INVOKABLE void notifyTouchDeviceRegistered();
127
128 void filterAndSendTouchPoints();
129 QRect targetScreenGeometry() const;
130
131 QString m_device;
132 QString m_spec;
133 QEvdevTouchScreenHandler *m_handler;
134 bool m_touchDeviceRegistered;
135
136 bool m_touchUpdatePending;
137 QWindow *m_filterWindow;
138
139 struct FilteredTouchPoint {
140 QEvdevTouchFilter x;
141 QEvdevTouchFilter y;
142 QWindowSystemInterface::TouchPoint touchPoint;
143 };
144 QHash<int, FilteredTouchPoint> m_filteredPoints;
145
146 float m_touchRate;
147};
148
149QT_END_NAMESPACE
150
151#endif // QEVDEVTOUCH_P_H
152