From eda0bf4b234098e87af30bd5df6277a637dee886 Mon Sep 17 00:00:00 2001
From: Joshua Goins <josh@redstrate.com>
Date: Sun, 1 Sep 2024 13:34:04 -0400
Subject: [PATCH] LocationChooser: Add a "Locate" button to locate yourself

The map centers on London by default, but for the other people living
outside it may find it hard to figure out where they are. This adds a
button that calls into QtPositioning to center the map over where you
are.
---
 src/qml/LocationChooser.qml | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/src/qml/LocationChooser.qml b/src/qml/LocationChooser.qml
index 7138585d8..82c8bb7dd 100644
--- a/src/qml/LocationChooser.qml
+++ b/src/qml/LocationChooser.qml
@@ -36,9 +36,30 @@ Components.AbstractMaximizeComponent {
             icon.name: "snap-bounding-box-center-symbolic"
             onTriggered: mapView.map.fitViewportToMapItems([mapView.locationMapItem])
             enabled: root.location !== undefined
+        },
+        Kirigami.Action {
+            text: i18nc("@action:intoolbar Determine the device's location", "Locate")
+            icon.name: "mark-location-symbolic"
+            enabled: positionSource.valid
+            onTriggered: positionSource.update()
         }
     ]
 
+    PositionSource {
+        id: positionSource
+
+        active: false
+
+        onPositionChanged: {
+            const coord = position.coordinate;
+            mapView.gpsMapItem.latitude = coord.latitude;
+            mapView.gpsMapItem.longitude = coord.longitude;
+
+            mapView.map.addMapItem(mapView.gpsMapItem);
+            mapView.map.fitViewportToMapItems([mapView.gpsMapItem])
+        }
+    }
+
     content: MapView {
         id: mapView
         map.plugin: OsmLocationPlugin.plugin
@@ -60,6 +81,15 @@ Components.AbstractMaximizeComponent {
             author: null
         }
 
+        readonly property LocationMapItem gpsMapItem: LocationMapItem {
+            latitude: 0.0
+            longitude: 0.0
+            isLive: true
+            heading: NaN
+            asset: ""
+            author: null
+        }
+
         Connections {
             target: mapView.map
             function onCopyrightLinkActivated(link: string) {