1 | /**************************************************************************** |
2 | ** |
3 | ** Copyright (C) 2016 The Qt Company Ltd. |
4 | ** Contact: https://www.qt.io/licensing/ |
5 | ** |
6 | ** This file is part of the QtSensors module of the Qt Toolkit. |
7 | ** |
8 | ** $QT_BEGIN_LICENSE:LGPL$ |
9 | ** Commercial License Usage |
10 | ** Licensees holding valid commercial Qt licenses may use this file in |
11 | ** accordance with the commercial license agreement provided with the |
12 | ** Software or, alternatively, in accordance with the terms contained in |
13 | ** a written agreement between you and The Qt Company. For licensing terms |
14 | ** and conditions see https://www.qt.io/terms-conditions. For further |
15 | ** information use the contact form at https://www.qt.io/contact-us. |
16 | ** |
17 | ** GNU Lesser General Public License Usage |
18 | ** Alternatively, this file may be used under the terms of the GNU Lesser |
19 | ** General Public License version 3 as published by the Free Software |
20 | ** Foundation and appearing in the file LICENSE.LGPL3 included in the |
21 | ** packaging of this file. Please review the following information to |
22 | ** ensure the GNU Lesser General Public License version 3 requirements |
23 | ** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. |
24 | ** |
25 | ** GNU General Public License Usage |
26 | ** Alternatively, this file may be used under the terms of the GNU |
27 | ** General Public License version 2.0 or (at your option) the GNU General |
28 | ** Public license version 3 or any later version approved by the KDE Free |
29 | ** Qt Foundation. The licenses are as published by the Free Software |
30 | ** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 |
31 | ** included in the packaging of this file. Please review the following |
32 | ** information to ensure the GNU General Public License requirements will |
33 | ** be met: https://www.gnu.org/licenses/gpl-2.0.html and |
34 | ** https://www.gnu.org/licenses/gpl-3.0.html. |
35 | ** |
36 | ** $QT_END_LICENSE$ |
37 | ** |
38 | ****************************************************************************/ |
39 | |
40 | #include <QtSensors/QTapSensor> |
41 | #include "qdoubletapsensorgesturerecognizer.h" |
42 | QT_BEGIN_NAMESPACE |
43 | |
44 | QDoubleTapSensorGestureRecognizer::QDoubleTapSensorGestureRecognizer(QObject *parent) : |
45 | QSensorGestureRecognizer(parent) |
46 | , active(0) |
47 | { |
48 | } |
49 | |
50 | QDoubleTapSensorGestureRecognizer::~QDoubleTapSensorGestureRecognizer() |
51 | { |
52 | } |
53 | |
54 | void QDoubleTapSensorGestureRecognizer::create() |
55 | { |
56 | } |
57 | |
58 | |
59 | QString QDoubleTapSensorGestureRecognizer::id() const |
60 | { |
61 | return QString("QtSensors.doubletap" ); |
62 | } |
63 | |
64 | bool 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 | |
76 | bool 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 | |
85 | bool QDoubleTapSensorGestureRecognizer::isActive() |
86 | { |
87 | return active; |
88 | } |
89 | |
90 | void QDoubleTapSensorGestureRecognizer::tapChanged(QTapReading *reading) |
91 | { |
92 | if (reading->isDoubleTap()) { |
93 | Q_EMIT doubletap(); |
94 | Q_EMIT detected("doubletap" ); |
95 | } |
96 | } |
97 | |
98 | |
99 | QT_END_NAMESPACE |
100 | |