1/****************************************************************************
2**
3** Copyright (C) 2017 Klaralvdalens Datakonsult AB (KDAB).
4** Contact: https://www.qt.io/licensing/
5**
6** This file is part of the Qt3D module of the Qt Toolkit.
7**
8** $QT_BEGIN_LICENSE:BSD$
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** BSD License Usage
18** Alternatively, you may use this file under the terms of the BSD license
19** as follows:
20**
21** "Redistribution and use in source and binary forms, with or without
22** modification, are permitted provided that the following conditions are
23** met:
24** * Redistributions of source code must retain the above copyright
25** notice, this list of conditions and the following disclaimer.
26** * Redistributions in binary form must reproduce the above copyright
27** notice, this list of conditions and the following disclaimer in
28** the documentation and/or other materials provided with the
29** distribution.
30** * Neither the name of The Qt Company Ltd nor the names of its
31** contributors may be used to endorse or promote products derived
32** from this software without specific prior written permission.
33**
34**
35** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
36** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
37** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
38** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
39** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
40** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
41** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
42** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
43** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
44** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
45** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
46**
47** $QT_END_LICENSE$
48**
49****************************************************************************/
50
51#include "abstractdeviceorientation.h"
52
53#include <QDateTime>
54#include <QDebug>
55#include <QtMath>
56#include <QScreen>
57
58
59AbstractDeviceOrientation::AbstractDeviceOrientation(QObject *parent)
60 : QObject(parent)
61 , m_roll(0)
62 , m_pitch(0)
63 , m_yaw(0)
64 , m_enabled(false)
65{
66}
67
68bool AbstractDeviceOrientation::enabled() const
69{
70 return m_enabled;
71}
72
73void AbstractDeviceOrientation::stop()
74{
75 if (m_enabled) {
76 m_enabled = false;
77 emit enabledChanged(m_enabled);
78 }
79}
80
81void AbstractDeviceOrientation::setRoll(qreal v)
82{
83 if (v != m_roll) {
84 m_roll = v;
85 emit rollChanged(roll: v);
86 }
87}
88
89void AbstractDeviceOrientation::setPitch(qreal v)
90{
91 if (v != m_pitch) {
92 m_pitch = v;
93 emit pitchChanged(pitch: v);
94 }
95}
96
97void AbstractDeviceOrientation::setYaw(qreal v)
98{
99 if (v != m_yaw) {
100 m_yaw = v;
101 emit yawChanged(yaw: v);
102 }
103}
104
105void AbstractDeviceOrientation::setEnabled(bool v)
106{
107 if (v && !m_enabled) {
108 start();
109 } else if (!v && m_enabled) {
110 stop();
111 }
112}
113

source code of qt3d/examples/qt3d/qardboard/abstractdeviceorientation.cpp