qt-everywhere-src-5.14.1/qtlocation/examples/location/places_map/places_map.qml

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//! [Imports]
import QtQuick 2.0
import QtPositioning 5.5
import QtLocation 5.6
//! [Imports]

Rectangle {
    anchors.fill: parent

    //! [Initialize Plugin]
    Plugin {
        id: myPlugin
        name: "osm" // "mapboxgl", "esri", ...
        //specify plugin parameters if necessary
        //PluginParameter {...}
        //PluginParameter {...}
        //...
    }
    //! [Initialize Plugin]

    //! [Current Location]
    PositionSource {
        id: positionSource
        property variant lastSearchPosition: locationOslo
        active: true
        updateInterval: 120000 // 2 mins
        onPositionChanged:  {
            var currentPosition = positionSource.position.coordinate
            map.center = currentPosition
            var distance = currentPosition.distanceTo(lastSearchPosition)
            if (distance > 500) {
                // 500m from last performed pizza search
                lastSearchPosition = currentPosition
                searchModel.searchArea = QtPositioning.circle(currentPosition)
                searchModel.update()
            }
        }
    }
    //! [Current Location]

    //! [PlaceSearchModel]
    property variant locationOslo: QtPositioning.coordinate( 59.93, 10.76)

    PlaceSearchModel {
        id: searchModel

        plugin: myPlugin

        searchTerm: "Pizza"
        searchArea: QtPositioning.circle(locationOslo)

        Component.onCompleted: update()
    }
    //! [PlaceSearchModel]

    //! [Places MapItemView]
    Map {
        id: map
        anchors.fill: parent
        plugin: myPlugin;
        center: locationOslo
        zoomLevel: 13

        MapItemView {
            model: searchModel
            delegate: MapQuickItem {
                coordinate: place.location.coordinate

                anchorPoint.x: image.width * 0.5
                anchorPoint.y: image.height

                sourceItem: Column {
                    Image { id: image; source: "marker.png" }
                    Text { text: title; font.bold: true }
                }
            }
        }
    }
    //! [Places MapItemView]

    Connections {
        target: searchModel
        onStatusChanged: {
            if (searchModel.status == PlaceSearchModel.Error)
                console.log(searchModel.errorString());
        }
    }
}