OnClick returns MapViewPoint
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@ -20,7 +20,7 @@ expect fun MapView(
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mapTileProvider: MapTileProvider,
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computeViewPoint: (canvasSize: DpSize) -> MapViewPoint,
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features: Map<FeatureId, MapFeature>,
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onClick: (GeodeticMapCoordinates) -> Unit = {},
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onClick: MapViewPoint.() -> Unit = {},
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//TODO consider replacing by modifier
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config: MapViewConfig = MapViewConfig(),
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modifier: Modifier = Modifier.fillMaxSize(),
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@ -31,7 +31,7 @@ fun MapView(
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mapTileProvider: MapTileProvider,
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initialViewPoint: MapViewPoint,
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features: Map<FeatureId, MapFeature> = emptyMap(),
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onClick: (GeodeticMapCoordinates) -> Unit = {},
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onClick: MapViewPoint.() -> Unit = {},
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config: MapViewConfig = MapViewConfig(),
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modifier: Modifier = Modifier.fillMaxSize(),
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buildFeatures: @Composable (FeatureBuilder.() -> Unit) = {},
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@ -46,7 +46,7 @@ fun MapView(
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mapTileProvider: MapTileProvider,
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box: GmcBox,
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features: Map<FeatureId, MapFeature> = emptyMap(),
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onClick: (GeodeticMapCoordinates) -> Unit = {},
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onClick: MapViewPoint.() -> Unit = {},
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config: MapViewConfig = MapViewConfig(),
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modifier: Modifier = Modifier.fillMaxSize(),
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buildFeatures: @Composable (FeatureBuilder.() -> Unit) = {},
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@ -43,7 +43,7 @@ fun App() {
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MapView(
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mapTileProvider,
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viewPoint,
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onClick = { gmc -> coordinates = gmc },
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onClick = { coordinates = focus },
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config = MapViewConfig(inferViewBoxFromFeatures = true)
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) {
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val pointOne = 55.568548 to 37.568604
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@ -40,13 +40,14 @@ actual fun MapView(
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mapTileProvider: MapTileProvider,
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computeViewPoint: (canvasSize: DpSize) -> MapViewPoint,
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features: Map<FeatureId, MapFeature>,
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onClick: (GeodeticMapCoordinates) -> Unit,
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onClick: MapViewPoint.() -> Unit,
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config: MapViewConfig,
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modifier: Modifier,
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) {
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var canvasSize by remember { mutableStateOf(DpSize(512.dp, 512.dp)) }
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var viewPointOverride by remember { mutableStateOf<MapViewPoint?>(
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var viewPointOverride: MapViewPoint? by remember {
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mutableStateOf(
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if (config.inferViewBoxFromFeatures) {
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features.values.computeBoundingBox(1)?.let { box ->
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val zoom = log2(
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@ -60,7 +61,8 @@ actual fun MapView(
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} else {
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null
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}
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) }
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)
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}
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val viewPoint by derivedStateOf { viewPointOverride ?: computeViewPoint(canvasSize) }
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@ -123,7 +125,7 @@ actual fun MapView(
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} else {
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val dragStart = change.position
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val dpPos = DpOffset(dragStart.x.toDp(), dragStart.y.toDp())
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onClick(dpPos.toGeodetic())
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onClick(MapViewPoint(dpPos.toGeodetic(), viewPoint.zoom))
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drag(change.id) { dragChange ->
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val dragAmount = dragChange.position - dragChange.previousPosition
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viewPointOverride = viewPoint.move(
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