From e1b8dce981219191cc9a238179d9176f84fcadea Mon Sep 17 00:00:00 2001
From: moklick <info@moritzklack.com>
Date: Mon, 14 Aug 2023 15:59:19 +0200
Subject: [PATCH] fix(onMoveEnd): falsely triggered on right click

---
 packages/system/src/xypanzoom/eventhandler.ts | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/packages/system/src/xypanzoom/eventhandler.ts b/packages/system/src/xypanzoom/eventhandler.ts
index 1b38bfa2..84deb929 100644
--- a/packages/system/src/xypanzoom/eventhandler.ts
+++ b/packages/system/src/xypanzoom/eventhandler.ts
@@ -114,19 +114,18 @@ export function createZoomOnScrollHandler({ noWheelClassName, preventScrolling,
 
 export function createPanZoomStartHandler({ zoomPanValues, onDraggingChange, onPanZoomStart }: PanZoomStartParams) {
   return (event: D3ZoomEvent<HTMLDivElement, any>) => {
+    const viewport = transformToViewport(event.transform);
+
     // we need to remember it here, because it's always 0 in the "zoom" event
     zoomPanValues.mouseButton = event.sourceEvent?.button || 0;
-
     zoomPanValues.isZoomingOrPanning = true;
+    zoomPanValues.prevViewport = viewport;
 
     if (event.sourceEvent?.type === 'mousedown') {
       onDraggingChange(true);
     }
 
     if (onPanZoomStart) {
-      const viewport = transformToViewport(event.transform);
-      zoomPanValues.prevViewport = viewport;
-
       onPanZoomStart?.(event.sourceEvent as MouseEvent | TouchEvent, viewport);
     }
   };