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
|
/****************************************************************************
**
** Copyright (C) 2011 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the documentation of Qt. It was originally
** published as part of Qt Quarterly.
**
** $QT_BEGIN_LICENSE:LGPL$
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Commercial License Agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
** $QT_END_LICENSE$
**
****************************************************************************/
#include <QtGui>
#include <QGeoCoordinate>
#include <QGeoMappingManagerEngine>
#include <QGraphicsGeoMap>
#include "mapwindow.h"
using namespace QtMobility;
MapWindow::MapWindow()
{
scene = new QGraphicsScene(this);
findServices();
QGraphicsView *view = new QGraphicsView(this);
view->setScene(scene);
setCentralWidget(view);
}
void MapWindow::findServices()
{
QMenu *serviceMenu = menuBar()->addMenu(tr("&Services"));
actionGroup = new QActionGroup(this);
actionGroup->setExclusive(true);
connect(actionGroup, SIGNAL(triggered(QAction *)),
this, SLOT(selectService(QAction *)));
foreach (const QString &name, QGeoServiceProvider::availableServiceProviders()) {
QGeoServiceProvider *service = new QGeoServiceProvider(name);
services[name] = service;
QAction *action = serviceMenu->addAction(name);
action->setCheckable(true);
actionGroup->addAction(action);
}
if (services.isEmpty()) {
QGraphicsTextItem *item = scene->addText(
tr("Failed to find any map services. Please ensure that "
"the location services plugins for Qt Mobility have "
"been built and, if necessary, set the QT_PLUGIN_PATH "
"environment variable to the location of the Qt Mobility "
"plugins directory."));
item->setTextWidth(300);
QAction *action = serviceMenu->addAction(tr("No services"));
action->setEnabled(false);
} else
actionGroup->actions()[0]->trigger();
}
void MapWindow::selectService(QAction *action)
{
action->setChecked(true);
QString name = action->text();
scene->clear();
QGeoServiceProvider *service = services[name];
if (service->error() != QGeoServiceProvider::NoError) {
QGraphicsTextItem *item = scene->addText(
tr("The \"%1\" service failed with the following error:\n'"
"%2").arg(name).arg(service->errorString()));
item->setTextWidth(300);
} else {
QGeoMappingManager *manager = service->mappingManager();
QGraphicsGeoMap *geoMap = new QGraphicsGeoMap(manager);
scene->addItem(geoMap);
geoMap->resize(300, 300);
geoMap->setCenter(QGeoCoordinate(37.76, -25.675));
geoMap->setMapType(QGraphicsGeoMap::TerrainMap);
geoMap->setZoomLevel(12);
}
}
|
