Merge pull request #2750 from Kingtous/master

fix: save/restore window position on macos

flutter/lib/common.dart

@@ -1418,7 +1418,7 @@ bool isRunningInPortableMode() {
 }
 
 /// Window status callback
-void onActiveWindowChanged() async {
+Future<void> onActiveWindowChanged() async {
   print(
       "[MultiWindowHandler] active window changed: ${rustDeskWinManager.getActiveWindows()}");
   if (rustDeskWinManager.getActiveWindows().isEmpty) {

flutter/lib/desktop/pages/desktop_home_page.dart

@@ -513,9 +513,9 @@ class _DesktopHomePageState extends State<DesktopHomePage>
       } else if (call.method == kWindowActionRebuild) {
         reloadCurrentWindow();
       } else if (call.method == kWindowEventShow) {
-        rustDeskWinManager.registerActiveWindow(call.arguments["id"]);
+        await rustDeskWinManager.registerActiveWindow(call.arguments["id"]);
       } else if (call.method == kWindowEventHide) {
-        rustDeskWinManager.unregisterActiveWindow(call.arguments["id"]);
+        await rustDeskWinManager.unregisterActiveWindow(call.arguments["id"]);
       } else if (call.method == kWindowConnect) {
         await connectMainDesktop(
           call.arguments['id'],

flutter/lib/desktop/widgets/tabbar_widget.dart

@@ -527,13 +527,19 @@ class WindowActionPanelState extends State<WindowActionPanel>
   void onWindowClose() async {
     // hide window on close
     if (widget.isMainWindow) {
+      await rustDeskWinManager.unregisterActiveWindow(0);
+      // `hide` must be placed after unregisterActiveWindow, because once all windows are hidden,
+      // flutter closes the application on macOS. We should ensure the post-run logic has ran successfully.
+      // e.g.: saving window position.
       await windowManager.hide();
-      rustDeskWinManager.unregisterActiveWindow(0);
     } else {
-      widget.onClose?.call();
+      // it's safe to hide the subwindow
       await WindowController.fromWindowId(windowId!).hide();
-      rustDeskWinManager
-          .call(WindowType.Main, kWindowEventHide, {"id": windowId!});
+      await Future.wait([
+        rustDeskWinManager
+            .call(WindowType.Main, kWindowEventHide, {"id": windowId!}),
+        widget.onClose?.call() ?? Future.microtask(() => null)
+      ]);
     }
     super.onWindowClose();
   }

flutter/lib/main.dart

@@ -196,6 +196,8 @@ void runMultiWindow(
       // no such appType
       exit(0);
   }
+  // show window from hidden status
+  WindowController.fromWindowId(windowId!).show();
 }
 
 void runConnectionManagerScreen(bool hide) async {

flutter/lib/utils/multi_window_manager.dart

@@ -1,6 +1,7 @@
 import 'dart:convert';
 
 import 'package:desktop_multi_window/desktop_multi_window.dart';
+import 'package:flutter/foundation.dart';
 import 'package:flutter/material.dart';
 import 'package:flutter/services.dart';
 import 'package:flutter_hbb/common.dart';
@@ -34,7 +35,7 @@ class RustDeskMultiWindowManager {
   static final instance = RustDeskMultiWindowManager._();
 
   final List<int> _activeWindows = List.empty(growable: true);
-  final List<VoidCallback> _windowActiveCallbacks = List.empty(growable: true);
+  final List<AsyncCallback> _windowActiveCallbacks = List.empty(growable: true);
   int? _remoteDesktopWindowId;
   int? _fileTransferWindowId;
   int? _portForwardWindowId;
@@ -191,19 +192,19 @@ class RustDeskMultiWindowManager {
     return _activeWindows;
   }
 
-  void _notifyActiveWindow() {
+  Future<void> _notifyActiveWindow() async {
     for (final callback in _windowActiveCallbacks) {
-      callback.call();
+      await callback.call();
     }
   }
 
-  void registerActiveWindow(int windowId) {
+  Future<void> registerActiveWindow(int windowId) async {
     if (_activeWindows.contains(windowId)) {
       // ignore
     } else {
       _activeWindows.add(windowId);
     }
-    _notifyActiveWindow();
+    await _notifyActiveWindow();
   }
 
   /// Remove active window which has [`windowId`]
@@ -212,20 +213,20 @@ class RustDeskMultiWindowManager {
   /// This function should only be called from main window.
   /// For other windows, please post a unregister(hide) event to main window handler:
   /// `rustDeskWinManager.call(WindowType.Main, kWindowEventHide, {"id": windowId!});`
-  void unregisterActiveWindow(int windowId) {
+  Future<void> unregisterActiveWindow(int windowId) async {
     if (!_activeWindows.contains(windowId)) {
       // ignore
     } else {
       _activeWindows.remove(windowId);
     }
-    _notifyActiveWindow();
+    await _notifyActiveWindow();
   }
 
-  void registerActiveWindowListener(VoidCallback callback) {
+  void registerActiveWindowListener(AsyncCallback callback) {
     _windowActiveCallbacks.add(callback);
   }
 
-  void unregisterActiveWindowListener(VoidCallback callback) {
+  void unregisterActiveWindowListener(AsyncCallback callback) {
     _windowActiveCallbacks.remove(callback);
   }
 }

flutter/macos/Runner/MainFlutterWindow.swift

@@ -49,7 +49,8 @@ class MainFlutterWindow: NSWindow {
         super.awakeFromNib()
     }
     
-//     override func bitsdojo_window_configure() -> UInt {
-//         return BDW_CUSTOM_FRAME | BDW_HIDE_ON_STARTUP
-//     }
+    override public func order(_ place: NSWindow.OrderingMode, relativeTo otherWin: Int) {
+        super.order(place, relativeTo: otherWin)
+        hiddenWindowAtLaunch()
+    }
 }

flutter/pubspec.yaml

@@ -63,7 +63,7 @@ dependencies:
     desktop_multi_window:
         git:
             url: https://github.com/Kingtous/rustdesk_desktop_multi_window
-            ref: 82f9eab81cb2c7bfb938def7a1b399a6279bbc75
+            ref: e6d30bde98bd0f4ff50a130e5b1068138307bd03
     freezed_annotation: ^2.0.3
     flutter_custom_cursor: ^0.0.2
     window_size: