MapView::MapView(QWidget *parent) :
QGraphicsView(parent)
{
QGraphicsScene* scene = new QGraphicsScene(this);
setScene(scene);
setHorizontalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setVerticalScrollBarPolicy(Qt::ScrollBarAlwaysOff);
setInteractive(true);
QGeoServiceProvider *serviceProvider = new QGeoServiceProvider("nokia");
QGeoMappingManager *manager = serviceProvider->mappingManager();
geo_map = new Map(manager);
connect(geo_map, SIGNAL(markerClicked(QStringList)), SIGNAL(markerClicked(QStringList)));
geo_map->setMapType(QGraphicsGeoMap::StreetMap);
geo_map->setCenter(QGeoCoordinate(0.0, 0.0));
geo_map->setZoomLevel(5);
scene->addItem(geo_map);
track = new QGeoMapPolylineObject;
QPen pen(Qt::red);
pen.setWidth(3);
track->setPen(pen);
track->setZValue(1);
setMouseTracking(true);
}
/**
* @brief Mouse right click on map
* @param p_x
* @param p_y
* @note If a marker is clicked, the markerClicked() signal
* containing the marker id is emitted, otherwise the context menu
* to save the new place is shown
*/
void MarbleMap::mouseRightClick(int p_x, int p_y)
{
#ifdef DBG_MARBLE_MAP
qDebug() << "MarbleMap::mouseRightClick() pt = " << p_x << ", " << p_y;
#endif
int l_id = -1;
QVector<const GeoDataPlacemark *> l_v = whichFeatureAt(QPoint(p_x, p_y));
if(0 < l_v.size()) // since we can have more placemarks (e.g. zoom too low)
{
l_id = l_v.at(0)->id(); // then, get the first one
emit markerClicked(l_id);
}
else
{
QMenu l_menu;
l_menu.addAction("Save this location?");
QPoint l_pos = mapToGlobal(QPoint(p_x, p_y)); // the menu position is relative to screen and not to widget
QAction* l_action = l_menu.exec(l_pos);
if (l_action)
{
qreal l_lng;
qreal l_lat;
geoCoordinates(p_x, p_y, l_lng, l_lat);
#ifdef DBG_MARBLE_MAP
qDebug() << "MarbleMap::mouseRightClick() going to create marker at " << l_lat << ", " << l_lng;
#endif
createMarker(l_lat, l_lng);
}
}
}
void MapView::addData(const QTime &time, qreal lat, qreal lon, const QStringList &metadata)
{
// Add marker
Marker *marker = new Marker(time, lat, lon, metadata);
marker->setZValue(2);
markers.append(marker);
qSort(markers.begin(), markers.end(), markerLessThan);
geo_map->addMapObject(marker);
geo_map->setCenter(marker->coordinate());
QStringList md = marker->metadata();
md.prepend(marker->time().toString());
emit markerClicked(md);
// Add point to track
QList<QGeoCoordinate> path;
foreach (const Marker *marker, markers)
path.append(marker->coordinate());
track->setPath(path);
// QGeoMapPolylineObject cannot be added to map if it's empty
if (!path.isEmpty() && !geo_map->mapObjects().contains(track))
geo_map->addMapObject(track);
}
/**
* @brief Mouse left click on marker
* @param p_x
* @param p_y
* @note If a marker is clicked, the markerClicked() signal
* containing the marker id is emitted
*/
void MarbleMap::mouseLeftClick(int p_x, int p_y)
{
int l_id = -1;
#ifdef DBG_MARBLE_MAP
qDebug() << "MarbleMap::mouseLeftClick() pt = " << p_x << ", " << p_y;
#endif
QVector<const GeoDataPlacemark *> l_v = whichFeatureAt(QPoint(p_x, p_y));
if(0 < l_v.size()) // since we can have more placemarks (e.g. zoom too low)
{
l_id = l_v.at(0)->id(); // then, get the first one
m_curr_popup_x = p_x;
m_curr_popup_y = p_y;
emit markerClicked(l_id);
}
}
