opt: add preventClose to handle close event manually

flutter/lib/desktop/pages/desktop_home_page.dart

@@ -33,7 +33,7 @@ class DesktopHomePage extends StatefulWidget {
 const borderColor = Color(0xFF2F65BA);
 
 class _DesktopHomePageState extends State<DesktopHomePage>
-    with TrayListener, WindowListener, AutomaticKeepAliveClientMixin {
+    with TrayListener, AutomaticKeepAliveClientMixin {
   final _leftPaneScrollController = ScrollController();
 
   @override
@@ -41,14 +41,6 @@ class _DesktopHomePageState extends State<DesktopHomePage>
   var updateUrl = '';
   StreamSubscription? _uniLinksSubscription;
 
-  @override
-  void onWindowClose() async {
-    super.onWindowClose();
-    // hide window on close
-    await windowManager.hide();
-    rustDeskWinManager.unregisterActiveWindow(0);
-  }
-
   @override
   Widget build(BuildContext context) {
     super.build(context);
@@ -425,7 +417,6 @@ class _DesktopHomePageState extends State<DesktopHomePage>
     // disable this tray because we use tray function provided by rust now
     // initTray();
     trayManager.addListener(this);
-    windowManager.addListener(this);
     rustDeskWinManager.registerActiveWindowListener(onActiveWindowChanged);
     rustDeskWinManager.registerActiveWindow(0);
     rustDeskWinManager.setMethodHandler((call, fromWindowId) async {
@@ -471,9 +462,9 @@ class _DesktopHomePageState extends State<DesktopHomePage>
   @override
   void dispose() {
     // destoryTray();
-    rustDeskWinManager.unregisterActiveWindowListener(onActiveWindowChanged);
+    // fix: disable unregister to prevent from receiving events from other windows
+    // rustDeskWinManager.unregisterActiveWindowListener(onActiveWindowChanged);
     trayManager.removeListener(this);
-    windowManager.removeListener(this);
     _uniLinksSubscription?.cancel();
     super.dispose();
   }

flutter/lib/desktop/widgets/tabbar_widget.dart

@@ -498,6 +498,21 @@ class WindowActionPanelState extends State<WindowActionPanel>
     super.onWindowUnmaximize();
   }
 
+  @override
+  void onWindowClose() async {
+    // hide window on close
+    if (widget.isMainWindow) {
+      await windowManager.hide();
+      rustDeskWinManager.unregisterActiveWindow(0);
+    } else {
+      widget.onClose?.call();
+      WindowController.fromWindowId(windowId!).hide();
+      rustDeskWinManager
+          .call(WindowType.Main, kWindowEventHide, {"id": windowId!});
+    }
+    super.onWindowClose();
+  }
+
   @override
   Widget build(BuildContext context) {
     return Row(