qt5base-lts/examples/embedded/lightmaps/mapzoom.cpp

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2011-05-08 07:13:40 +00:00
#include <QtWidgets>
#include <QtNetwork>
#include "lightmaps.h"
#include "mapzoom.h"
MapZoom::MapZoom()
: QMainWindow(0)
{
map = new LightMaps(this);
setCentralWidget(map);
map->setFocus();
QAction *osloAction = new QAction(tr("&Oslo"), this);
QAction *berlinAction = new QAction(tr("&Berlin"), this);
QAction *jakartaAction = new QAction(tr("&Jakarta"), this);
QAction *nightModeAction = new QAction(tr("Night Mode"), this);
nightModeAction->setCheckable(true);
nightModeAction->setChecked(false);
QAction *osmAction = new QAction(tr("About OpenStreetMap"), this);
connect(osloAction, SIGNAL(triggered()), SLOT(chooseOslo()));
connect(berlinAction, SIGNAL(triggered()), SLOT(chooseBerlin()));
connect(jakartaAction, SIGNAL(triggered()), SLOT(chooseJakarta()));
connect(nightModeAction, SIGNAL(triggered()), map, SLOT(toggleNightMode()));
connect(osmAction, SIGNAL(triggered()), SLOT(aboutOsm()));
QMenu *menu = menuBar()->addMenu(tr("&Options"));
menu->addAction(osloAction);
menu->addAction(berlinAction);
menu->addAction(jakartaAction);
menu->addSeparator();
menu->addAction(nightModeAction);
menu->addAction(osmAction);
QNetworkConfigurationManager manager;
if (manager.capabilities() & QNetworkConfigurationManager::NetworkSessionRequired) {
// Get saved network configuration
QSettings settings(QSettings::UserScope, QLatin1String("QtProject"));
settings.beginGroup(QLatin1String("QtNetwork"));
const QString id =
settings.value(QLatin1String("DefaultNetworkConfiguration")).toString();
settings.endGroup();
// If the saved network configuration is not currently discovered use the system
// default
QNetworkConfiguration config = manager.configurationFromIdentifier(id);
if ((config.state() & QNetworkConfiguration::Discovered) !=
QNetworkConfiguration::Discovered) {
config = manager.defaultConfiguration();
}
networkSession = new QNetworkSession(config, this);
connect(networkSession, SIGNAL(opened()), this, SLOT(sessionOpened()));
networkSession->open();
} else {
networkSession = 0;
}
setWindowTitle(tr("Light Maps"));
}
void MapZoom::sessionOpened()
{
// Save the used configuration
QNetworkConfiguration config = networkSession->configuration();
QString id;
if (config.type() == QNetworkConfiguration::UserChoice) {
id = networkSession->sessionProperty(
QLatin1String("UserChoiceConfiguration")).toString();
} else {
id = config.identifier();
}
QSettings settings(QSettings::UserScope, QLatin1String("QtProject"));
settings.beginGroup(QLatin1String("QtNetwork"));
settings.setValue(QLatin1String("DefaultNetworkConfiguration"), id);
settings.endGroup();
}
void MapZoom::chooseOslo()
{
map->setCenter(59.9138204, 10.7387413);
}
void MapZoom::chooseBerlin()
{
map->setCenter(52.52958999943302, 13.383053541183472);
}
void MapZoom::chooseJakarta()
{
map->setCenter(-6.211544, 106.845172);
}
void MapZoom::aboutOsm()
{
QDesktopServices::openUrl(QUrl("http://www.openstreetmap.org"));
}