diff --git a/flutter/lib/desktop/pages/remote_page.dart b/flutter/lib/desktop/pages/remote_page.dart
index 130a5e6ad..4061fb74d 100644
--- a/flutter/lib/desktop/pages/remote_page.dart
+++ b/flutter/lib/desktop/pages/remote_page.dart
@@ -2,6 +2,7 @@ import 'dart:async';
 import 'dart:io';
 import 'dart:ui' as ui;
 
+import 'package:desktop_multi_window/desktop_multi_window.dart';
 import 'package:flutter/gestures.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
@@ -48,7 +49,7 @@ class RemotePage extends StatefulWidget {
 }
 
 class _RemotePageState extends State<RemotePage>
-    with AutomaticKeepAliveClientMixin {
+    with AutomaticKeepAliveClientMixin, MultiWindowListener {
   Timer? _timer;
   String keyboardMode = "legacy";
   final _cursorOverImage = false.obs;
@@ -57,7 +58,7 @@ class _RemotePageState extends State<RemotePage>
   late RxBool _remoteCursorMoved;
   late RxBool _keyboardEnabled;
 
-  final FocusNode _rawKeyFocusNode = FocusNode();
+  final FocusNode _rawKeyFocusNode = FocusNode(debugLabel: "rawkeyFocusNode");
   var _imageFocused = false;
 
   Function(bool)? _onEnterOrLeaveImage4Menubar;
@@ -111,6 +112,7 @@ class _RemotePageState extends State<RemotePage>
         id: widget.id, arg: 'show-remote-cursor');
     _zoomCursor.value =
         bind.sessionGetToggleOptionSync(id: widget.id, arg: 'zoom-cursor');
+    DesktopMultiWindow.addListener(this);
     // if (!_isCustomCursorInited) {
     //   customCursorController.registerNeedUpdateCursorCallback(
     //       (String? lastKey, String? currentKey) async {
@@ -124,9 +126,18 @@ class _RemotePageState extends State<RemotePage>
     // }
   }
 
+  @override
+  void onWindowBlur() {
+    super.onWindowBlur();
+    // unfocus the key focus when the whole window is lost focus,
+    // and let OS to handle events instead.
+    _rawKeyFocusNode.unfocus();
+  }
+
   @override
   void dispose() {
     debugPrint("REMOTE PAGE dispose ${widget.id}");
+    DesktopMultiWindow.removeListener(this);
     _ffi.dialogManager.hideMobileActionsOverlay();
     _ffi.recordingModel.onClose();
     _rawKeyFocusNode.dispose();
@@ -157,6 +168,11 @@ class _RemotePageState extends State<RemotePage>
                       focusNode: _rawKeyFocusNode,
                       onFocusChange: (bool v) {
                         _imageFocused = v;
+                        if (_imageFocused) {
+                          _ffi.inputModel.enterOrLeave(true);
+                        } else {
+                          _ffi.inputModel.enterOrLeave(false);
+                        }
                       },
                       inputModel: _ffi.inputModel,
                       child: getBodyForDesktop(context)));
@@ -195,7 +211,6 @@ class _RemotePageState extends State<RemotePage>
         //
       }
     }
-    _ffi.inputModel.enterOrLeave(true);
   }
 
   void leaveView(PointerExitEvent evt) {
@@ -208,7 +223,6 @@ class _RemotePageState extends State<RemotePage>
         //
       }
     }
-    _ffi.inputModel.enterOrLeave(false);
   }
 
   Widget getBodyForDesktop(BuildContext context) {