From 54436b0a4710946482971ab088bfa809568ff268 Mon Sep 17 00:00:00 2001
From: newbyvector <vectorse@126.com>
Date: Thu, 5 Oct 2023 16:34:16 +0800
Subject: [PATCH] fix: subtract draggingContainer offset when position

---
 packages/x6-plugin-dnd/src/index.ts | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/packages/x6-plugin-dnd/src/index.ts b/packages/x6-plugin-dnd/src/index.ts
index aceb26f1561..2138571ca98 100644
--- a/packages/x6-plugin-dnd/src/index.ts
+++ b/packages/x6-plugin-dnd/src/index.ts
@@ -182,10 +182,18 @@ export class Dnd extends View implements Graph.Plugin {
     }
 
     if (this.draggingGraph) {
-      Dom.css(this.container, {
-        left: `${offset.left}px`,
-        top: `${offset.top}px`,
-      })
+      if (this.options.draggingContainer) {
+        const { top, left } = Dom.offset(this.options.draggingContainer)
+        Dom.css(this.container, {
+          left: `${offset.left - left}px`,
+          top: `${offset.top - top}px`,
+        })
+      } else {
+        Dom.css(this.container, {
+          left: `${offset.left}px`,
+          top: `${offset.top}px`,
+        })
+      }
     }
 
     return offset