From cf59838dd0be5ec3a89631609e388d6a77839225 Mon Sep 17 00:00:00 2001
From: Icarus <1375400884@qq.com>
Date: Mon, 9 Dec 2019 11:11:47 +0800
Subject: [PATCH] !O

---
 Scripts/Editor/NodeEditorAction.cs | 19 ++++++++++---------
 Scripts/Editor/NodeEditorWindow.cs |  1 -
 2 files changed, 10 insertions(+), 10 deletions(-)

diff --git a/Scripts/Editor/NodeEditorAction.cs b/Scripts/Editor/NodeEditorAction.cs
index c919c9b..63e1439 100644
--- a/Scripts/Editor/NodeEditorAction.cs
+++ b/Scripts/Editor/NodeEditorAction.cs
@@ -32,8 +32,14 @@ namespace XNodeEditor {
         private Rect selectionBox;
         private bool isDoubleClick = false;
         private Vector2 lastMousePosition;
+        private MenuPopupWindow _menuPopupWindow;
 
         public void Controls() {
+            if (_menuPopupWindow == null)
+            {
+                _menuPopupWindow = new MenuPopupWindow();
+                graphEditor.AddContextMenuItems(_menuPopupWindow);
+            }
             wantsMouseMove = true;
             Event e = Event.current;
             switch (e.type) {
@@ -219,12 +225,9 @@ namespace XNodeEditor {
                             }
                             // Open context menu for auto-connection
                             else if (NodeEditorPreferences.GetSettings().dragToCreate && autoConnectOutput != null) {
-                                MenuPopupWindow menu = new MenuPopupWindow();
-                                graphEditor.AddContextMenuItems(menu);
+                                _menuPopupWindow.OnCloseA = _releaseDraggedConnection;
                                 
-                                menu.OnCloseA += _releaseDraggedConnection;
-                                
-                                PopupWindow.Show(new Rect(Event.current.mousePosition, Vector2.zero),menu);
+                                PopupWindow.Show(new Rect(Event.current.mousePosition, Vector2.zero),_menuPopupWindow);
                             }
 
                             _releaseDraggedConnection();
@@ -281,10 +284,8 @@ namespace XNodeEditor {
                                 menu.DropDown(new Rect(Event.current.mousePosition, Vector2.zero));
                                 e.Use(); // Fixes copy/paste context menu appearing in Unity 5.6.6f2 - doesn't occur in 2018.3.2f1 Probably needs to be used in other places.
                             } else if (!IsHoveringNode) {
-                                autoConnectOutput = null;                                
-                                MenuPopupWindow menu = new MenuPopupWindow();
-                                graphEditor.AddContextMenuItems(menu);
-                                PopupWindow.Show(new Rect(Event.current.mousePosition, Vector2.zero),menu);
+                                autoConnectOutput = null;
+                                PopupWindow.Show(new Rect(Event.current.mousePosition, Vector2.zero),_menuPopupWindow);
                             }
                         }
                         isPanning = false;
diff --git a/Scripts/Editor/NodeEditorWindow.cs b/Scripts/Editor/NodeEditorWindow.cs
index 8c8f8bb..a1b222d 100644
--- a/Scripts/Editor/NodeEditorWindow.cs
+++ b/Scripts/Editor/NodeEditorWindow.cs
@@ -106,7 +106,6 @@ namespace XNodeEditor {
         void OnFocus() {
             current = this;
             ValidateGraphEditor();
-            graphEditor?.OnFocus();
             if (graphEditor != null && NodeEditorPreferences.GetSettings().autoSave) AssetDatabase.SaveAssets();
         }