/examples/embedded/lightmaps/mapzoom.cpp
C++ | 139 lines | 80 code | 15 blank | 44 comment | 6 complexity | 2f505a00c2f6086efc46e94d58f8331a MD5 | raw file
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- ****************************************************************************/
- #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"));
- }