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39
40#include <QtSensors/QTapSensor>
41#include "qdoubletapsensorgesturerecognizer.h"
42QT_BEGIN_NAMESPACE
43
44QDoubleTapSensorGestureRecognizer::QDoubleTapSensorGestureRecognizer(QObject *parent) :
45 QSensorGestureRecognizer(parent)
46 , active(0)
47{
48}
49
50QDoubleTapSensorGestureRecognizer::~QDoubleTapSensorGestureRecognizer()
51{
52}
53
54void QDoubleTapSensorGestureRecognizer::create()
55{
56}
57
58
59QString QDoubleTapSensorGestureRecognizer::id() const
60{
61 return QString("QtSensors.doubletap");
62}
63
64bool QDoubleTapSensorGestureRecognizer::start()
65{
66 if (QtSensorGestureSensorHandler::instance()->startSensor(sensor: QtSensorGestureSensorHandler::Tap)) {
67 active = true;
68 connect(sender: QtSensorGestureSensorHandler::instance(),SIGNAL(dTabReadingChanged(QTapReading*)),
69 receiver: this,SLOT(tapChanged(QTapReading*)));
70 } else {
71 active = false;
72 }
73 return active;
74}
75
76bool QDoubleTapSensorGestureRecognizer::stop()
77{
78 QtSensorGestureSensorHandler::instance()->stopSensor(sensor: QtSensorGestureSensorHandler::Tap);
79 disconnect(sender: QtSensorGestureSensorHandler::instance(),SIGNAL(dTabReadingChanged(QTapReading*)),
80 receiver: this,SLOT(tapChanged(QTapReading*)));
81 active = false;
82 return active;
83}
84
85bool QDoubleTapSensorGestureRecognizer::isActive()
86{
87 return active;
88}
89
90void QDoubleTapSensorGestureRecognizer::tapChanged(QTapReading *reading)
91{
92 if (reading->isDoubleTap()) {
93 Q_EMIT doubletap();
94 Q_EMIT detected("doubletap");
95 }
96}
97
98
99QT_END_NAMESPACE
100

source code of qtsensors/src/plugins/sensorgestures/qtsensors/qdoubletapsensorgesturerecognizer.cpp