update

Runtime/editor/editor_window.cs

 
             bool hasFocus = this.hasFocus();
             using (this.getScope()) {
-                if (hasFocus) {
-                    WidgetsBinding.instance.focusManager.focusIfNeed();
-                }
-                else {
-                    WidgetsBinding.instance.focusManager.unfocusIfNeed();
-                }
+                WidgetsBinding.instance.focusManager.focusNone(!hasFocus);
                 this._updateScrollInput();
                 TextInput.Update();
                 this._timerProvider.update(this.flushMicrotasks);

Runtime/widgets/focus_manager.cs

             this.rootScope._manager = this;
             D.assert(this.rootScope._firstChild == null);
             D.assert(this.rootScope._lastChild == null);
-            this.unfocusIfNeed();
         }
 
         public readonly FocusScopeNode rootScope = new FocusScopeNode();
             if (this._currentFocus != null) {
                 this._currentFocus._notify();
             }
-            
-            Debug.Log($"updated none={this._noneScope.ToString()}:\n{this.ToString()}");
-        public void unfocusIfNeed() {
-            if (this._noneScope._parent != null && this._noneScope.isFirstFocus) {
-                return;
+        public void focusNone(bool focus) {
+            if (focus) {
+                if (this._noneScope._parent != null && this._noneScope.isFirstFocus) {
+                    return;
+                }
+                this.rootScope.setFirstFocus(this._noneScope);
-            this.rootScope.setFirstFocus(this._noneScope);
-        }
-
-        public void focusIfNeed() {
-            if (this._noneScope._parent == null) {
-                return;
+            else {
+                if (this._noneScope._parent == null) {
+                    return;
+                }
+                this._noneScope.detach();
-            this._noneScope.detach();
         }
         
         public override string ToString() {