From 4863c84ba5a4e7531b9a1e139f036de0453e89e2 Mon Sep 17 00:00:00 2001
From: peterkogo <peter@xyflow.com>
Date: Wed, 17 Sep 2025 15:22:34 +0200
Subject: [PATCH] prevent default when pinch zooming on element with nowheel
 class

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

diff --git a/packages/system/src/xypanzoom/eventhandler.ts b/packages/system/src/xypanzoom/eventhandler.ts
index e6dda425..217ecd0f 100644
--- a/packages/system/src/xypanzoom/eventhandler.ts
+++ b/packages/system/src/xypanzoom/eventhandler.ts
@@ -72,6 +72,9 @@ export function createPanOnScrollHandler({
 }: PanOnScrollParams) {
   return (event: any) => {
     if (isWrappedWithClass(event, noWheelClassName)) {
+      if (event.ctrlKey) {
+        event.preventDefault(); // stop native page zoom
+      }
       return false;
     }
     event.preventDefault();