From 4322a6368035df4f25f1350674dacba5d3b11995 Mon Sep 17 00:00:00 2001
From: moklick <info@moritzklack.com>
Date: Thu, 10 Dec 2020 14:28:12 +0100
Subject: [PATCH] fix(zoom): allow trackpad pinch zoom

---
 src/container/ZoomPane/index.tsx | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/container/ZoomPane/index.tsx b/src/container/ZoomPane/index.tsx
index 202856fc..82aae20d 100644
--- a/src/container/ZoomPane/index.tsx
+++ b/src/container/ZoomPane/index.tsx
@@ -215,8 +215,8 @@ const ZoomPane = ({
           return false;
         }
 
-        // default filter for d3-zoom, prevents zooming on buttons and when ctrl is pressed
-        return !event.ctrlKey && !event.button;
+        // default filter for d3-zoom
+        return (!event.ctrlKey || event.type === 'wheel') && !event.button;
       });
     }
   }, [d3Zoom, zoomOnScroll, panOnScroll, zoomOnDoubleClick, paneMoveable, selectionKeyPressed, elementsSelectable]);