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Fix OSM marker size when there's only one item in cluster

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Ming Ming 2024-07-23 21:16:36 +08:00
parent 820806ee66
commit a9de0b315c
1 changed files with 12 additions and 2 deletions
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14
np_gps_map/lib/src/interactive_map/osm.dart
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@ -74,11 +74,12 @@ class _OsmInteractiveMapState extends State<OsmInteractiveMap> {
markers.cast<_OsmDataPoint>().map((e) => e.original).toList(),
),
// need to be large enough to contain markers of all size
size: const Size.square(120),
size: const Size.square(_markerBoundingBoxSize),
// disable all tap handlers from package
zoomToBoundsOnClick: false,
centerMarkerOnClick: false,
spiderfyCluster: false,
markerChildBehavior: true,
),
),
Padding(
@ -110,7 +111,11 @@ class _OsmDataPoint extends Marker {
_OsmDataPoint({
required this.original,
required super.child,
}) : super(point: original.position.toLatLng());
}) : super(
point: original.position.toLatLng(),
width: _markerBoundingBoxSize,
height: _markerBoundingBoxSize,
);
final DataPoint original;
}
@ -129,3 +134,8 @@ class _ParentController implements InteractiveMapController {
extension on MapCoord {
LatLng toLatLng() => LatLng(latitude, longitude);
}
// define the size of each marker's bounding box. This is NOT necessarily the
// size of the marker, it's merely the size of its bounding box and the actual
// size of the content is determined by the child (e.g., the Container widget)
const _markerBoundingBoxSize = 120.0;