subsurface/mobile-widgets/qmlmapwidgethelper.cpp
Lubomir I. Ivanov 4b8b61100a mapwidgethelper: skip dive sites which are near each other
Use QGeoCoordinate::distanceTo() to skip dive sites
which are too close (50m) to dives sites which are already added
as MapLocations.

Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
2017-07-28 07:31:11 -07:00

76 lines
2.5 KiB
C++

// SPDX-License-Identifier: GPL-2.0
#include <QApplication>
#include <QClipboard>
#include <QGeoCoordinate>
#include <QDebug>
#include "qmlmapwidgethelper.h"
#include "core/dive.h"
#include "core/divesite.h"
#include "qt-models/maplocationmodel.h"
#define MIN_DISTANCE_BETWEEN_DIVE_SITES_M 50.0
MapWidgetHelper::MapWidgetHelper(QObject *parent) : QObject(parent)
{
m_mapLocationModel = new MapLocationModel(this);
connect(m_mapLocationModel, SIGNAL(selectedLocationChanged(MapLocation *)),
this, SLOT(selectedLocationChanged(MapLocation *)));
}
void MapWidgetHelper::centerOnDiveSite(struct dive_site *ds)
{
if (!dive_site_has_gps_location(ds)) {
QMetaObject::invokeMethod(m_map, "deselectMapLocation");
return;
}
MapLocation *location = m_mapLocationModel->getMapLocationForUuid(ds->uuid);
QMetaObject::invokeMethod(m_map, "centerOnMapLocation", Q_ARG(QVariant, QVariant::fromValue(location)));
}
void MapWidgetHelper::reloadMapLocations()
{
struct dive_site *ds;
int idx;
m_mapLocationModel->clear();
QVector<MapLocation *> locationList;
for_each_dive_site(idx, ds) {
if (!dive_site_has_gps_location(ds))
continue;
const qreal latitude = ds->latitude.udeg * 0.000001;
const qreal longitude = ds->longitude.udeg * 0.000001;
QGeoCoordinate dsCoord(latitude, longitude);
// check if there are no locations too close to the current dive site
bool diveSiteTooClose = false;
foreach(MapLocation *location, locationList) {
QGeoCoordinate coord = qvariant_cast<QGeoCoordinate>(location->getRole(MapLocation::Roles::RoleCoordinate));
if (dsCoord.distanceTo(coord) < MIN_DISTANCE_BETWEEN_DIVE_SITES_M) {
diveSiteTooClose = true;
break;
}
}
if (!diveSiteTooClose)
locationList.append(new MapLocation(ds->uuid, QGeoCoordinate(latitude, longitude)));
}
m_mapLocationModel->addList(locationList);
}
void MapWidgetHelper::selectedLocationChanged(MapLocation *location)
{
qDebug() << location;
}
void MapWidgetHelper::copyToClipboardCoordinates(QGeoCoordinate coord, bool formatTraditional)
{
bool savep = prefs.coordinates_traditional;
prefs.coordinates_traditional = formatTraditional;
const int lat = llrint(1000000.0 * coord.latitude());
const int lon = llrint(1000000.0 * coord.longitude());
const char *coordinates = printGPSCoords(lat, lon);
QApplication::clipboard()->setText(QString(coordinates), QClipboard::Clipboard);
free((void *)coordinates);
prefs.coordinates_traditional = savep;
}