1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
|
// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only
#include "widget.h"
#include "ui_widget.h"
#include <QGeoPositionInfoSource>
#include <QDebug>
Widget::Widget(LogWidget *logWidget, QWidget *parent) :
QWidget(parent),
log(logWidget),
ui(new Ui::Widget)
{
ui->setupUi(this);
qDebug() << "Available:" << QGeoPositionInfoSource::availableSources();
m_posSource = QGeoPositionInfoSource::createDefaultSource(this);
if (!m_posSource)
qFatal("No Position Source created!");
connect(m_posSource, SIGNAL(positionUpdated(QGeoPositionInfo)),
this, SLOT(positionUpdated(QGeoPositionInfo)));
connect(ui->horizontalSlider, SIGNAL(valueChanged(int)),
this, SLOT(setInterval(int)));
ui->groupBox->setLayout(ui->gridLayout);
ui->horizontalSlider->setMinimum(m_posSource->minimumUpdateInterval());
ui->labelTimeOut->setVisible(false);
connect(m_posSource, SIGNAL(errorOccurred(QGeoPositionInfoSource::Error)),
this, SLOT(errorChanged(QGeoPositionInfoSource::Error)));
connect(m_posSource, &QGeoPositionInfoSource::supportedPositioningMethodsChanged,
this, [this]() {
auto methods = m_posSource->supportedPositioningMethods();
const QString status = QStringLiteral("Satellite: %1 ").arg(bool(methods & QGeoPositionInfoSource::SatellitePositioningMethods))
+ QStringLiteral("Non-Satellite: %1").arg(bool(methods & QGeoPositionInfoSource::NonSatellitePositioningMethods));
qDebug() << "Available Positioning Methods Changed" << status;
log->appendLog(status);
});
}
void Widget::positionUpdated(QGeoPositionInfo gpsPos)
{
QGeoCoordinate coord = gpsPos.coordinate();
ui->labelLatitude->setText(QString::number(coord.latitude()));
ui->labelLongitude->setText(QString::number(coord.longitude()));
ui->labelAltitude->setText(QString::number(coord.altitude()));
ui->labelTimeStamp->setText(gpsPos.timestamp().toString());
if (gpsPos.hasAttribute(QGeoPositionInfo::HorizontalAccuracy))
ui->labelHAccuracy->setText(QString::number(gpsPos.attribute(QGeoPositionInfo::HorizontalAccuracy)));
else
ui->labelHAccuracy->setText(QStringLiteral("N/A"));
if (gpsPos.hasAttribute(QGeoPositionInfo::VerticalAccuracy))
ui->labelVAccuracy->setText(QString::number(gpsPos.attribute(QGeoPositionInfo::VerticalAccuracy)));
else
ui->labelVAccuracy->setText(QStringLiteral("N/A"));
if (gpsPos.hasAttribute(QGeoPositionInfo::Direction))
ui->labelDirection->setText(QString::number(gpsPos.attribute(QGeoPositionInfo::Direction)));
else
ui->labelDirection->setText(QStringLiteral("N/A"));
if (gpsPos.hasAttribute(QGeoPositionInfo::GroundSpeed))
ui->labelSpeed->setText(QString::number(gpsPos.attribute(QGeoPositionInfo::GroundSpeed)));
else
ui->labelSpeed->setText(QStringLiteral("N/A"));
log->appendLog(coord.toString());
}
void Widget::positionTimedOut()
{
ui->labelTimeOut->setVisible(true);
}
void Widget::errorChanged(QGeoPositionInfoSource::Error err)
{
if (err == QGeoPositionInfoSource::UpdateTimeoutError) {
// handle timeout
positionTimedOut();
} else {
// handle other errors
ui->labelErrorState->setText(QString::number(err));
m_posSource->stopUpdates();
ui->checkBox->setChecked(false);
}
}
Widget::~Widget()
{
delete ui;
}
void Widget::setInterval(int msec)
{
m_posSource->setUpdateInterval(msec);
}
void Widget::on_buttonRetrieve_clicked()
{
// Requesting current position for _one_ time
m_posSource->requestUpdate(10000);
}
void Widget::on_buttonStart_clicked()
{
// Either start or stop the current position info source
bool running = ui->checkBox->isChecked();
if (running) {
ui->checkBox->setChecked(false);
m_posSource->stopUpdates();
} else {
ui->checkBox->setChecked(true);
m_posSource->startUpdates();
}
}
void Widget::on_radioButton_clicked()
{
m_posSource->setPreferredPositioningMethods(QGeoPositionInfoSource::NoPositioningMethods);
}
void Widget::on_radioButton_2_clicked()
{
m_posSource->setPreferredPositioningMethods(QGeoPositionInfoSource::SatellitePositioningMethods);
}
void Widget::on_radioButton_3_clicked()
{
m_posSource->setPreferredPositioningMethods(QGeoPositionInfoSource::NonSatellitePositioningMethods);
}
void Widget::on_radioButton_4_clicked()
{
m_posSource->setPreferredPositioningMethods(QGeoPositionInfoSource::AllPositioningMethods);
}
void Widget::on_buttonUpdateSupported_clicked()
{
QGeoPositionInfoSource::PositioningMethods m = m_posSource->supportedPositioningMethods();
QString text;
switch (m) {
case QGeoPositionInfoSource::NoPositioningMethods:
text = QStringLiteral("None");
break;
case QGeoPositionInfoSource::SatellitePositioningMethods:
text = QStringLiteral("Satellite");
break;
case QGeoPositionInfoSource::NonSatellitePositioningMethods:
text = QStringLiteral("Non Satellite");
break;
case QGeoPositionInfoSource::AllPositioningMethods:
text = QStringLiteral("All");
break;
}
ui->labelSupported->setText(text);
}
void Widget::on_buttonResetError_clicked()
{
ui->labelErrorState->setText(QStringLiteral("N/A"));
}
|