diff options
author | Lubomir I. Ivanov <neolit123@gmail.com> | 2017-11-04 21:23:37 +0200 |
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committer | Dirk Hohndel <dirk@hohndel.org> | 2017-11-05 14:48:56 -0800 |
commit | 956b45ddfda060fcd818659ee05618ed2e4bfcab (patch) | |
tree | 1acb6ff91cba57e059e7eac8868ecd066539b230 /mobile-widgets/qmlmapwidgethelper.cpp | |
parent | 6ce4239884780fafdf641fa52a2a8c7a0a02450d (diff) | |
download | subsurface-956b45ddfda060fcd818659ee05618ed2e4bfcab.tar.gz |
map-widget: move the widget and its resources to 'map-widget'
Move all the map widget platform agnostic files to the
<subsurface-root>/map-widget folder.
This avoids the confusion about the desktop version of subsurface
using mobile components. The map widget is planned as a shared
component between the mobile and desktop versions.
desktop-widgets/mapwidget[.h/.cpp] still remain as those are specific
to the desktop version.
Signed-off-by: Lubomir I. Ivanov <neolit123@gmail.com>
Diffstat (limited to 'mobile-widgets/qmlmapwidgethelper.cpp')
-rw-r--r-- | mobile-widgets/qmlmapwidgethelper.cpp | 264 |
1 files changed, 0 insertions, 264 deletions
diff --git a/mobile-widgets/qmlmapwidgethelper.cpp b/mobile-widgets/qmlmapwidgethelper.cpp deleted file mode 100644 index ba197f63f..000000000 --- a/mobile-widgets/qmlmapwidgethelper.cpp +++ /dev/null @@ -1,264 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0 -#include <QApplication> -#include <QClipboard> -#include <QGeoCoordinate> -#include <QDebug> -#include <QVector> - -#include "qmlmapwidgethelper.h" -#include "core/dive.h" -#include "core/divesite.h" -#include "core/helpers.h" -#include "qt-models/maplocationmodel.h" - -#define MIN_DISTANCE_BETWEEN_DIVE_SITES_M 50.0 -#define SMALL_CIRCLE_RADIUS_PX 26.0 - -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) -{ - int idx; - struct dive *dive; - QVector<struct dive_site *> selDS; - QVector<QGeoCoordinate> selGC; - QGeoCoordinate dsCoord; - - for_each_dive (idx, dive) { - struct dive_site *dss = get_dive_site_for_dive(dive); - if (!dive_site_has_gps_location(dss) || !dive->selected) - continue; - // only store dive sites with GPS - selDS.append(dss); - selGC.append(QGeoCoordinate(dss->latitude.udeg * 0.000001, - dss->longitude.udeg * 0.000001)); - } - if (!dive_site_has_gps_location(ds) && !selDS.size()) { - // only a single dive site with no GPS selected - m_mapLocationModel->setSelectedUuid(ds ? ds->uuid : 0, false); - QMetaObject::invokeMethod(m_map, "deselectMapLocation"); - - } else if (selDS.size() == 1) { - // a single dive site with GPS selected - ds = selDS.at(0); - m_mapLocationModel->setSelectedUuid(ds->uuid, false); - dsCoord.setLatitude(ds->latitude.udeg * 0.000001); - dsCoord.setLongitude(ds->longitude.udeg * 0.000001); - QMetaObject::invokeMethod(m_map, "centerOnCoordinate", Q_ARG(QVariant, QVariant::fromValue(dsCoord))); - } else if (selDS.size() > 1) { - /* more than one dive sites with GPS selected. - * find the most top-left and bottom-right dive sites on the map coordinate system. */ - ds = selDS.at(0); - m_mapLocationModel->setSelectedUuid(ds->uuid, false); - qreal minLat = 0.0, minLon = 0.0, maxLat = 0.0, maxLon = 0.0; - bool start = true; - foreach(QGeoCoordinate gc, selGC) { - qreal lat = gc.latitude(); - qreal lon = gc.longitude(); - if (start) { - minLat = maxLat = lat; - minLon = maxLon = lon; - start = false; - continue; - } - if (lat < minLat) - minLat = lat; - else if (lat > maxLat) - maxLat = lat; - if (lon < minLon) - minLon = lon; - else if (lon > maxLon) - maxLon = lon; - } - // pass rectangle coordinates to QML - QGeoCoordinate coordTopLeft(minLat, minLon); - QGeoCoordinate coordBottomRight(maxLat, maxLon); - QGeoCoordinate coordCenter(minLat + (maxLat - minLat) * 0.5, minLon + (maxLon - minLon) * 0.5); - QMetaObject::invokeMethod(m_map, "centerOnRectangle", - Q_ARG(QVariant, QVariant::fromValue(coordTopLeft)), - Q_ARG(QVariant, QVariant::fromValue(coordBottomRight)), - Q_ARG(QVariant, QVariant::fromValue(coordCenter))); - } -} - -void MapWidgetHelper::reloadMapLocations() -{ - struct dive_site *ds; - int idx; - QMap<QString, MapLocation *> locationNameMap; - m_mapLocationModel->clear(); - MapLocation *location; - QVector<MapLocation *> locationList; - qreal latitude, longitude; - - if (displayed_dive_site.uuid && dive_site_has_gps_location(&displayed_dive_site)) { - latitude = displayed_dive_site.latitude.udeg * 0.000001; - longitude = displayed_dive_site.longitude.udeg * 0.000001; - location = new MapLocation(displayed_dive_site.uuid, QGeoCoordinate(latitude, longitude), - QString(displayed_dive_site.name)); - locationList.append(location); - locationNameMap[QString(displayed_dive_site.name)] = location; - } - for_each_dive_site(idx, ds) { - if (!dive_site_has_gps_location(ds) || ds->uuid == displayed_dive_site.uuid) - continue; - latitude = ds->latitude.udeg * 0.000001; - longitude = ds->longitude.udeg * 0.000001; - QGeoCoordinate dsCoord(latitude, longitude); - QString name(ds->name); - // don't add dive locations with the same name, unless they are - // at least MIN_DISTANCE_BETWEEN_DIVE_SITES_M apart - if (locationNameMap.contains(name)) { - MapLocation *existingLocation = locationNameMap[name]; - QGeoCoordinate coord = qvariant_cast<QGeoCoordinate>(existingLocation->getRole(MapLocation::Roles::RoleCoordinate)); - if (dsCoord.distanceTo(coord) < MIN_DISTANCE_BETWEEN_DIVE_SITES_M) - continue; - } - location = new MapLocation(ds->uuid, dsCoord, name); - locationList.append(location); - locationNameMap[name] = location; - } - m_mapLocationModel->addList(locationList); -} - -void MapWidgetHelper::selectedLocationChanged(MapLocation *location) -{ - int idx; - struct dive *dive; - m_selectedDiveIds.clear(); - QGeoCoordinate locationCoord = location->coordinate(); - for_each_dive (idx, dive) { - struct dive_site *ds = get_dive_site_for_dive(dive); - 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); - if (locationCoord.distanceTo(dsCoord) < m_smallCircleRadius) - m_selectedDiveIds.append(idx); - } - emit selectedDivesChanged(m_selectedDiveIds); -} - -void MapWidgetHelper::selectVisibleLocations() -{ - int idx; - struct dive *dive; - bool selectedFirst = false; - m_selectedDiveIds.clear(); - for_each_dive (idx, dive) { - struct dive_site *ds = get_dive_site_for_dive(dive); - 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); - QPointF point; - QMetaObject::invokeMethod(m_map, "fromCoordinate", Q_RETURN_ARG(QPointF, point), - Q_ARG(QGeoCoordinate, dsCoord)); - if (!qIsNaN(point.x())) { - if (!selectedFirst) { - m_mapLocationModel->setSelectedUuid(ds->uuid, false); - selectedFirst = true; - } - m_selectedDiveIds.append(idx); - } - } - emit selectedDivesChanged(m_selectedDiveIds); -} - -/* - * Based on a 2D Map widget circle with center "coord" and radius SMALL_CIRCLE_RADIUS_PX, - * obtain a "small circle" with radius m_smallCircleRadius in meters: - * https://en.wikipedia.org/wiki/Circle_of_a_sphere - * - * The idea behind this circle is to be able to select multiple nearby dives, when clicking on - * the map. This code can be in QML, but it is in C++ instead for performance reasons. - * - * This can be made faster with an exponential regression [a * exp(b * x)], with a pretty - * decent R-squared, but it becomes bound to map provider zoom level mappings and the - * SMALL_CIRCLE_RADIUS_PX value, which makes the code hard to maintain. - */ -void MapWidgetHelper::calculateSmallCircleRadius(QGeoCoordinate coord) -{ - QPointF point; - QMetaObject::invokeMethod(m_map, "fromCoordinate", Q_RETURN_ARG(QPointF, point), - Q_ARG(QGeoCoordinate, coord)); - QPointF point2(point.x() + SMALL_CIRCLE_RADIUS_PX, point.y()); - QGeoCoordinate coord2; - QMetaObject::invokeMethod(m_map, "toCoordinate", Q_RETURN_ARG(QGeoCoordinate, coord2), - Q_ARG(QPointF, point2)); - m_smallCircleRadius = coord2.distanceTo(coord); -} - -void MapWidgetHelper::copyToClipboardCoordinates(QGeoCoordinate coord, bool formatTraditional) -{ - bool savep = prefs.coordinates_traditional; - prefs.coordinates_traditional = formatTraditional; - - const int lat = lrint(1000000.0 * coord.latitude()); - const int lon = lrint(1000000.0 * coord.longitude()); - const char *coordinates = printGPSCoords(lat, lon); - QApplication::clipboard()->setText(QString(coordinates), QClipboard::Clipboard); - - free((void *)coordinates); - prefs.coordinates_traditional = savep; -} - -void MapWidgetHelper::updateCurrentDiveSiteCoordinates(quint32 uuid, QGeoCoordinate coord) -{ - MapLocation *loc = m_mapLocationModel->getMapLocationForUuid(uuid); - if (loc) - loc->setCoordinate(coord); - displayed_dive_site.latitude.udeg = lrint(coord.latitude() * 1000000.0); - displayed_dive_site.longitude.udeg = lrint(coord.longitude() * 1000000.0); - emit coordinatesChanged(); -} - -bool MapWidgetHelper::editMode() -{ - return m_editMode; -} - -void MapWidgetHelper::setEditMode(bool editMode) -{ - m_editMode = editMode; - MapLocation *exists = m_mapLocationModel->getMapLocationForUuid(displayed_dive_site.uuid); - // if divesite uuid doesn't exist in the model, add a new MapLocation. - if (editMode && !exists) { - QGeoCoordinate coord(0.0, 0.0); - m_mapLocationModel->add(new MapLocation(displayed_dive_site.uuid, coord, - QString(displayed_dive_site.name))); - QMetaObject::invokeMethod(m_map, "centerOnCoordinate", - Q_ARG(QVariant, QVariant::fromValue(coord))); - } - emit editModeChanged(); -} - -QString MapWidgetHelper::pluginObject() -{ - QString str; - str += "import QtQuick 2.0;"; - str += "import QtLocation 5.3;"; - str += "Plugin {"; - str += " id: mapPlugin;"; - str += " name: 'googlemaps';"; - str += " PluginParameter { name: 'googlemaps.maps.language'; value: '%lang%' }"; - str += " PluginParameter { name: 'googlemaps.cachefolder'; value: '%cacheFolder%' }"; - str += " Component.onCompleted: {"; - str += " if (availableServiceProviders.indexOf(name) === -1) {"; - str += " console.warn('MapWidget.qml: cannot find a plugin named: ' + name);"; - str += " }"; - str += " }"; - str += "}"; - QString lang = uiLanguage(NULL).replace('_', '-'); - str.replace("%lang%", lang); - QString cacheFolder = QString(system_default_directory()).append("/googlemaps"); - str.replace("%cacheFolder%", cacheFolder.replace("\\", "/")); - return str; -} |