Фикс перетаскивания точек (#21)

* drag event fix
2gis · Nov 1, 2022 · 143b1f7 · 143b1f7
1 parent 7d2fcbe
commit 143b1f7
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Showing 2 changed files with 19 additions and 2 deletions.
diff --git a/src/joint.ts b/src/joint.ts
@@ -1,5 +1,11 @@
 import { GeoPoint, TargetedEvent } from './types';
-import { createHtmlMarker, getJointDistanceText, getLabelHtml, getMarkerPopupHtml } from './utils';
+import {
+    createHtmlMarker,
+    getJointDistanceText,
+    getLabelHtml,
+    getMarkerPopupHtml,
+    getMousePosition,
+} from './utils';
 import { Evented } from './evented';
 import { style } from './style';
 
@@ -205,7 +211,9 @@ export class Joint extends Evented<EventTable> {
 
         this.emit('move', { targetData: this });
 
-        this.coordinates = this.map.unproject([ev.clientX, ev.clientY]);
+        const container = this.map.getContainer();
+
+        this.coordinates = this.map.unproject(getMousePosition(container, ev.clientX, ev.clientY));
         this.marker?.setCoordinates(this.coordinates);
     };
 

diff --git a/src/utils.ts b/src/utils.ts
@@ -179,3 +179,12 @@ export function getSnapPoint(map: mapgl.Map, joints: Joint[], point: ScreenPoint
 
     return { point: geoPoint, distance, segment: bestSegmentIndex };
 }
+
+export function getMousePosition(
+    container: HTMLElement,
+    clientX: number,
+    clientY: number,
+): number[] {
+    const rect = container.getBoundingClientRect();
+    return [clientX - rect.left - container.clientLeft, clientY - rect.top - container.clientTop];
+}